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826 lines
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<title>OpenJPEG: THREAD - Mutex, conditions, threads and thread pools</title>
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<div id="projectname">OpenJPEG
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 <span id="projectnumber">2.3.0</span>
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<div class="header">
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<div class="title">THREAD - Mutex, conditions, threads and thread pools</div> </div>
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</div><!--header-->
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<div class="contents">
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<table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="member-group"></a>
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Mutex</h2></td></tr>
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<tr class="memitem:ga29120af1ce48d5ecd651795f2e427755"><td class="memItemLeft" align="right" valign="top">typedef struct <a class="el" href="group___t_h_r_e_a_d.html#ga29120af1ce48d5ecd651795f2e427755">opj_mutex_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group___t_h_r_e_a_d.html#ga29120af1ce48d5ecd651795f2e427755">opj_mutex_t</a></td></tr>
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<tr class="memdesc:ga29120af1ce48d5ecd651795f2e427755"><td class="mdescLeft"> </td><td class="mdescRight">Opaque type for a mutex. <a href="#ga29120af1ce48d5ecd651795f2e427755">More...</a><br /></td></tr>
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<tr class="separator:ga29120af1ce48d5ecd651795f2e427755"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gaa81ea27e801a8c0cf453b256ab38e067"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group___t_h_r_e_a_d.html#ga29120af1ce48d5ecd651795f2e427755">opj_mutex_t</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="group___t_h_r_e_a_d.html#gaa81ea27e801a8c0cf453b256ab38e067">opj_mutex_create</a> (void)</td></tr>
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<tr class="memdesc:gaa81ea27e801a8c0cf453b256ab38e067"><td class="mdescLeft"> </td><td class="mdescRight">Creates a mutex. <a href="#gaa81ea27e801a8c0cf453b256ab38e067">More...</a><br /></td></tr>
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<tr class="separator:gaa81ea27e801a8c0cf453b256ab38e067"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gab38a90b92a1d294f7e1886e36a405518"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___t_h_r_e_a_d.html#gab38a90b92a1d294f7e1886e36a405518">opj_mutex_lock</a> (<a class="el" href="group___t_h_r_e_a_d.html#ga29120af1ce48d5ecd651795f2e427755">opj_mutex_t</a> *mutex)</td></tr>
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<tr class="memdesc:gab38a90b92a1d294f7e1886e36a405518"><td class="mdescLeft"> </td><td class="mdescRight">Lock/acquire the mutex. <a href="#gab38a90b92a1d294f7e1886e36a405518">More...</a><br /></td></tr>
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<tr class="separator:gab38a90b92a1d294f7e1886e36a405518"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gacf1f5a5f7f7257663505af02b717272c"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___t_h_r_e_a_d.html#gacf1f5a5f7f7257663505af02b717272c">opj_mutex_unlock</a> (<a class="el" href="group___t_h_r_e_a_d.html#ga29120af1ce48d5ecd651795f2e427755">opj_mutex_t</a> *mutex)</td></tr>
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<tr class="memdesc:gacf1f5a5f7f7257663505af02b717272c"><td class="mdescLeft"> </td><td class="mdescRight">Unlock/release the mutex. <a href="#gacf1f5a5f7f7257663505af02b717272c">More...</a><br /></td></tr>
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<tr class="separator:gacf1f5a5f7f7257663505af02b717272c"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga66757c34c788b873ad9acfb60a5e008b"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___t_h_r_e_a_d.html#ga66757c34c788b873ad9acfb60a5e008b">opj_mutex_destroy</a> (<a class="el" href="group___t_h_r_e_a_d.html#ga29120af1ce48d5ecd651795f2e427755">opj_mutex_t</a> *mutex)</td></tr>
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<tr class="memdesc:ga66757c34c788b873ad9acfb60a5e008b"><td class="mdescLeft"> </td><td class="mdescRight">Destroy a mutex. <a href="#ga66757c34c788b873ad9acfb60a5e008b">More...</a><br /></td></tr>
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<tr class="separator:ga66757c34c788b873ad9acfb60a5e008b"><td class="memSeparator" colspan="2"> </td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="member-group"></a>
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Condition</h2></td></tr>
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<tr class="memitem:ga439cd27c17f11fc56a911a126811fb87"><td class="memItemLeft" align="right" valign="top">typedef struct <a class="el" href="group___t_h_r_e_a_d.html#ga439cd27c17f11fc56a911a126811fb87">opj_cond_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group___t_h_r_e_a_d.html#ga439cd27c17f11fc56a911a126811fb87">opj_cond_t</a></td></tr>
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<tr class="memdesc:ga439cd27c17f11fc56a911a126811fb87"><td class="mdescLeft"> </td><td class="mdescRight">Opaque type for a condition. <a href="#ga439cd27c17f11fc56a911a126811fb87">More...</a><br /></td></tr>
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<tr class="separator:ga439cd27c17f11fc56a911a126811fb87"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga7f8a4c1ce6d9ad2dde1d293fad317522"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group___t_h_r_e_a_d.html#ga439cd27c17f11fc56a911a126811fb87">opj_cond_t</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="group___t_h_r_e_a_d.html#ga7f8a4c1ce6d9ad2dde1d293fad317522">opj_cond_create</a> (void)</td></tr>
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<tr class="memdesc:ga7f8a4c1ce6d9ad2dde1d293fad317522"><td class="mdescLeft"> </td><td class="mdescRight">Creates a condition. <a href="#ga7f8a4c1ce6d9ad2dde1d293fad317522">More...</a><br /></td></tr>
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<tr class="separator:ga7f8a4c1ce6d9ad2dde1d293fad317522"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga6edf64f08cd0b48299800852d52245d6"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___t_h_r_e_a_d.html#ga6edf64f08cd0b48299800852d52245d6">opj_cond_wait</a> (<a class="el" href="group___t_h_r_e_a_d.html#ga439cd27c17f11fc56a911a126811fb87">opj_cond_t</a> *cond, <a class="el" href="group___t_h_r_e_a_d.html#ga29120af1ce48d5ecd651795f2e427755">opj_mutex_t</a> *mutex)</td></tr>
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<tr class="memdesc:ga6edf64f08cd0b48299800852d52245d6"><td class="mdescLeft"> </td><td class="mdescRight">Wait for the condition to be signaled. <a href="#ga6edf64f08cd0b48299800852d52245d6">More...</a><br /></td></tr>
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<tr class="separator:ga6edf64f08cd0b48299800852d52245d6"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga0f3687b35d6f3c395e1156a8499d1632"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___t_h_r_e_a_d.html#ga0f3687b35d6f3c395e1156a8499d1632">opj_cond_signal</a> (<a class="el" href="group___t_h_r_e_a_d.html#ga439cd27c17f11fc56a911a126811fb87">opj_cond_t</a> *cond)</td></tr>
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<tr class="memdesc:ga0f3687b35d6f3c395e1156a8499d1632"><td class="mdescLeft"> </td><td class="mdescRight">Signal waiting threads on a condition. <a href="#ga0f3687b35d6f3c395e1156a8499d1632">More...</a><br /></td></tr>
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<tr class="separator:ga0f3687b35d6f3c395e1156a8499d1632"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gafba4c2356f6d070d43e5f0d5c71fdbee"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___t_h_r_e_a_d.html#gafba4c2356f6d070d43e5f0d5c71fdbee">opj_cond_destroy</a> (<a class="el" href="group___t_h_r_e_a_d.html#ga439cd27c17f11fc56a911a126811fb87">opj_cond_t</a> *cond)</td></tr>
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<tr class="memdesc:gafba4c2356f6d070d43e5f0d5c71fdbee"><td class="mdescLeft"> </td><td class="mdescRight">Destroy a condition. <a href="#gafba4c2356f6d070d43e5f0d5c71fdbee">More...</a><br /></td></tr>
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<tr class="separator:gafba4c2356f6d070d43e5f0d5c71fdbee"><td class="memSeparator" colspan="2"> </td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="member-group"></a>
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Thread</h2></td></tr>
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<tr class="memitem:gaed72b7b75acb6eaeb620085b01ee365b"><td class="memItemLeft" align="right" valign="top">typedef struct <a class="el" href="group___t_h_r_e_a_d.html#gaed72b7b75acb6eaeb620085b01ee365b">opj_thread_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group___t_h_r_e_a_d.html#gaed72b7b75acb6eaeb620085b01ee365b">opj_thread_t</a></td></tr>
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<tr class="memdesc:gaed72b7b75acb6eaeb620085b01ee365b"><td class="mdescLeft"> </td><td class="mdescRight">Opaque type for a thread handle. <a href="#gaed72b7b75acb6eaeb620085b01ee365b">More...</a><br /></td></tr>
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<tr class="separator:gaed72b7b75acb6eaeb620085b01ee365b"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gae5f9aa8219645e0e836aaf0c453db624"><td class="memItemLeft" align="right" valign="top">typedef void(* </td><td class="memItemRight" valign="bottom"><a class="el" href="group___t_h_r_e_a_d.html#gae5f9aa8219645e0e836aaf0c453db624">opj_thread_fn</a>) (void *user_data)</td></tr>
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<tr class="memdesc:gae5f9aa8219645e0e836aaf0c453db624"><td class="mdescLeft"> </td><td class="mdescRight">User function to execute in a thread. <a href="#gae5f9aa8219645e0e836aaf0c453db624">More...</a><br /></td></tr>
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<tr class="separator:gae5f9aa8219645e0e836aaf0c453db624"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga541be683ba651c8244bde3f0d3650c92"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group___t_h_r_e_a_d.html#gaed72b7b75acb6eaeb620085b01ee365b">opj_thread_t</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="group___t_h_r_e_a_d.html#ga541be683ba651c8244bde3f0d3650c92">opj_thread_create</a> (<a class="el" href="group___t_h_r_e_a_d.html#gae5f9aa8219645e0e836aaf0c453db624">opj_thread_fn</a> thread_fn, void *user_data)</td></tr>
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<tr class="memdesc:ga541be683ba651c8244bde3f0d3650c92"><td class="mdescLeft"> </td><td class="mdescRight">Creates a new thread. <a href="#ga541be683ba651c8244bde3f0d3650c92">More...</a><br /></td></tr>
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<tr class="separator:ga541be683ba651c8244bde3f0d3650c92"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gad49986b56da75f8609b7c940c17f713f"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___t_h_r_e_a_d.html#gad49986b56da75f8609b7c940c17f713f">opj_thread_join</a> (<a class="el" href="group___t_h_r_e_a_d.html#gaed72b7b75acb6eaeb620085b01ee365b">opj_thread_t</a> *thread)</td></tr>
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<tr class="memdesc:gad49986b56da75f8609b7c940c17f713f"><td class="mdescLeft"> </td><td class="mdescRight">Wait for a thread to be finished and release associated resources to the thread handle. <a href="#gad49986b56da75f8609b7c940c17f713f">More...</a><br /></td></tr>
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<tr class="separator:gad49986b56da75f8609b7c940c17f713f"><td class="memSeparator" colspan="2"> </td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="member-group"></a>
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Thread local storage</h2></td></tr>
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<tr class="memitem:ga9395f97b1e62916dc8b5d2ea4749f74a"><td class="memItemLeft" align="right" valign="top">typedef struct <a class="el" href="structopj__tls__t.html">opj_tls_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group___t_h_r_e_a_d.html#ga9395f97b1e62916dc8b5d2ea4749f74a">opj_tls_t</a></td></tr>
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<tr class="memdesc:ga9395f97b1e62916dc8b5d2ea4749f74a"><td class="mdescLeft"> </td><td class="mdescRight">Opaque type for a thread local storage. <a href="#ga9395f97b1e62916dc8b5d2ea4749f74a">More...</a><br /></td></tr>
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<tr class="separator:ga9395f97b1e62916dc8b5d2ea4749f74a"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga38f8cdfd288c8ff8963444403549ad6c"><td class="memItemLeft" align="right" valign="top">typedef void(* </td><td class="memItemRight" valign="bottom"><a class="el" href="group___t_h_r_e_a_d.html#ga38f8cdfd288c8ff8963444403549ad6c">opj_tls_free_func</a>) (void *value)</td></tr>
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<tr class="memdesc:ga38f8cdfd288c8ff8963444403549ad6c"><td class="mdescLeft"> </td><td class="mdescRight">Type of the function used to free a TLS value. <a href="#ga38f8cdfd288c8ff8963444403549ad6c">More...</a><br /></td></tr>
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<tr class="separator:ga38f8cdfd288c8ff8963444403549ad6c"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga90caa0ff9c1e54033ef1e3010faf03a9"><td class="memItemLeft" align="right" valign="top">void * </td><td class="memItemRight" valign="bottom"><a class="el" href="group___t_h_r_e_a_d.html#ga90caa0ff9c1e54033ef1e3010faf03a9">opj_tls_get</a> (<a class="el" href="structopj__tls__t.html">opj_tls_t</a> *tls, int key)</td></tr>
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<tr class="memdesc:ga90caa0ff9c1e54033ef1e3010faf03a9"><td class="mdescLeft"> </td><td class="mdescRight">Get a thread local value corresponding to the provided key. <a href="#ga90caa0ff9c1e54033ef1e3010faf03a9">More...</a><br /></td></tr>
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<tr class="separator:ga90caa0ff9c1e54033ef1e3010faf03a9"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gab1b97098aabc89f98eca8f8f7274f3e7"><td class="memItemLeft" align="right" valign="top"><a class="el" href="openjpeg_8h.html#abb5dad6294f4611f1925388e919b16f4">OPJ_BOOL</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group___t_h_r_e_a_d.html#gab1b97098aabc89f98eca8f8f7274f3e7">opj_tls_set</a> (<a class="el" href="structopj__tls__t.html">opj_tls_t</a> *tls, int key, void *value, <a class="el" href="group___t_h_r_e_a_d.html#ga38f8cdfd288c8ff8963444403549ad6c">opj_tls_free_func</a> free_func)</td></tr>
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<tr class="memdesc:gab1b97098aabc89f98eca8f8f7274f3e7"><td class="mdescLeft"> </td><td class="mdescRight">Set a thread local value corresponding to the provided key. <a href="#gab1b97098aabc89f98eca8f8f7274f3e7">More...</a><br /></td></tr>
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<tr class="separator:gab1b97098aabc89f98eca8f8f7274f3e7"><td class="memSeparator" colspan="2"> </td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="member-group"></a>
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Thread pool</h2></td></tr>
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<tr class="memitem:ga656a5e32341e7433cf6b70e53b002c5e"><td class="memItemLeft" align="right" valign="top">typedef struct <a class="el" href="structopj__thread__pool__t.html">opj_thread_pool_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group___t_h_r_e_a_d.html#ga656a5e32341e7433cf6b70e53b002c5e">opj_thread_pool_t</a></td></tr>
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<tr class="memdesc:ga656a5e32341e7433cf6b70e53b002c5e"><td class="mdescLeft"> </td><td class="mdescRight">Opaque type for a thread pool. <a href="#ga656a5e32341e7433cf6b70e53b002c5e">More...</a><br /></td></tr>
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<tr class="separator:ga656a5e32341e7433cf6b70e53b002c5e"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gaf29983f3245378c30edbef61fe22913b"><td class="memItemLeft" align="right" valign="top">typedef void(* </td><td class="memItemRight" valign="bottom"><a class="el" href="group___t_h_r_e_a_d.html#gaf29983f3245378c30edbef61fe22913b">opj_job_fn</a>) (void *user_data, <a class="el" href="structopj__tls__t.html">opj_tls_t</a> *tls)</td></tr>
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<tr class="memdesc:gaf29983f3245378c30edbef61fe22913b"><td class="mdescLeft"> </td><td class="mdescRight">User function to execute in a thread. <a href="#gaf29983f3245378c30edbef61fe22913b">More...</a><br /></td></tr>
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<tr class="separator:gaf29983f3245378c30edbef61fe22913b"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga24a3a1b343df1168a3beb57babfa0916"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structopj__thread__pool__t.html">opj_thread_pool_t</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="group___t_h_r_e_a_d.html#ga24a3a1b343df1168a3beb57babfa0916">opj_thread_pool_create</a> (int num_threads)</td></tr>
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<tr class="memdesc:ga24a3a1b343df1168a3beb57babfa0916"><td class="mdescLeft"> </td><td class="mdescRight">Create a new thread pool. <a href="#ga24a3a1b343df1168a3beb57babfa0916">More...</a><br /></td></tr>
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<tr class="separator:ga24a3a1b343df1168a3beb57babfa0916"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gaf389ecb3a583a30077fc546eef767c89"><td class="memItemLeft" align="right" valign="top"><a class="el" href="openjpeg_8h.html#abb5dad6294f4611f1925388e919b16f4">OPJ_BOOL</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group___t_h_r_e_a_d.html#gaf389ecb3a583a30077fc546eef767c89">opj_thread_pool_submit_job</a> (<a class="el" href="structopj__thread__pool__t.html">opj_thread_pool_t</a> *tp, <a class="el" href="group___t_h_r_e_a_d.html#gaf29983f3245378c30edbef61fe22913b">opj_job_fn</a> job_fn, void *user_data)</td></tr>
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<tr class="memdesc:gaf389ecb3a583a30077fc546eef767c89"><td class="mdescLeft"> </td><td class="mdescRight">Submit a new job to be run by one of the thread in the thread pool. <a href="#gaf389ecb3a583a30077fc546eef767c89">More...</a><br /></td></tr>
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<tr class="separator:gaf389ecb3a583a30077fc546eef767c89"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga0ced26c80598e49bf3a964bb802130f1"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___t_h_r_e_a_d.html#ga0ced26c80598e49bf3a964bb802130f1">opj_thread_pool_wait_completion</a> (<a class="el" href="structopj__thread__pool__t.html">opj_thread_pool_t</a> *tp, int max_remaining_jobs)</td></tr>
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<tr class="memdesc:ga0ced26c80598e49bf3a964bb802130f1"><td class="mdescLeft"> </td><td class="mdescRight">Wait that no more than max_remaining_jobs jobs are remaining in the queue of the thread pool. <a href="#ga0ced26c80598e49bf3a964bb802130f1">More...</a><br /></td></tr>
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<tr class="separator:ga0ced26c80598e49bf3a964bb802130f1"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga4faef98a6b8495c63e9e5ce9cf0c3fc3"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___t_h_r_e_a_d.html#ga4faef98a6b8495c63e9e5ce9cf0c3fc3">opj_thread_pool_get_thread_count</a> (<a class="el" href="structopj__thread__pool__t.html">opj_thread_pool_t</a> *tp)</td></tr>
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<tr class="memdesc:ga4faef98a6b8495c63e9e5ce9cf0c3fc3"><td class="mdescLeft"> </td><td class="mdescRight">Return the number of threads associated with the thread pool. <a href="#ga4faef98a6b8495c63e9e5ce9cf0c3fc3">More...</a><br /></td></tr>
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<tr class="memitem:gae44e8b9258d0baa19e3671a382faa33e"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___t_h_r_e_a_d.html#gae44e8b9258d0baa19e3671a382faa33e">opj_thread_pool_destroy</a> (<a class="el" href="structopj__thread__pool__t.html">opj_thread_pool_t</a> *tp)</td></tr>
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<tr class="memdesc:gae44e8b9258d0baa19e3671a382faa33e"><td class="mdescLeft"> </td><td class="mdescRight">Destroy a thread pool. <a href="#gae44e8b9258d0baa19e3671a382faa33e">More...</a><br /></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
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<h2 class="groupheader">Typedef Documentation</h2>
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<td class="memname">typedef struct <a class="el" href="group___t_h_r_e_a_d.html#ga439cd27c17f11fc56a911a126811fb87">opj_cond_t</a> <a class="el" href="group___t_h_r_e_a_d.html#ga439cd27c17f11fc56a911a126811fb87">opj_cond_t</a></td>
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<p>Opaque type for a condition. </p>
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<td class="memname">typedef void(* opj_job_fn) (void *user_data, <a class="el" href="structopj__tls__t.html">opj_tls_t</a> *tls)</td>
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<p>User function to execute in a thread. </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">user_data</td><td>user data provided with <a class="el" href="group___t_h_r_e_a_d.html#ga541be683ba651c8244bde3f0d3650c92" title="Creates a new thread. ">opj_thread_create()</a> </td></tr>
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<tr><td class="paramname">tls</td><td>handle to thread local storage </td></tr>
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<td class="memname">typedef struct <a class="el" href="group___t_h_r_e_a_d.html#ga29120af1ce48d5ecd651795f2e427755">opj_mutex_t</a> <a class="el" href="group___t_h_r_e_a_d.html#ga29120af1ce48d5ecd651795f2e427755">opj_mutex_t</a></td>
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<p>Opaque type for a mutex. </p>
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<td class="memname">typedef void(* opj_thread_fn) (void *user_data)</td>
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<p>User function to execute in a thread. </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">user_data</td><td>user data provided with <a class="el" href="group___t_h_r_e_a_d.html#ga541be683ba651c8244bde3f0d3650c92" title="Creates a new thread. ">opj_thread_create()</a> </td></tr>
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<td class="memname">typedef struct <a class="el" href="structopj__thread__pool__t.html">opj_thread_pool_t</a> <a class="el" href="structopj__thread__pool__t.html">opj_thread_pool_t</a></td>
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<p>Opaque type for a thread pool. </p>
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<td class="memname">typedef struct <a class="el" href="group___t_h_r_e_a_d.html#gaed72b7b75acb6eaeb620085b01ee365b">opj_thread_t</a> <a class="el" href="group___t_h_r_e_a_d.html#gaed72b7b75acb6eaeb620085b01ee365b">opj_thread_t</a></td>
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<p>Opaque type for a thread handle. </p>
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<td class="memname">typedef void(* opj_tls_free_func) (void *value)</td>
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<p>Type of the function used to free a TLS value. </p>
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<td class="memname">typedef struct <a class="el" href="structopj__tls__t.html">opj_tls_t</a> <a class="el" href="structopj__tls__t.html">opj_tls_t</a></td>
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<p>Opaque type for a thread local storage. </p>
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<h2 class="groupheader">Function Documentation</h2>
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<td class="memname"><a class="el" href="group___t_h_r_e_a_d.html#ga439cd27c17f11fc56a911a126811fb87">opj_cond_t</a>* opj_cond_create </td>
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<td>(</td>
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<td class="paramtype">void </td>
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<p>Creates a condition. </p>
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<dl class="section return"><dt>Returns</dt><dd>the condition or NULL in case of error (can for example happen if the library is built without thread support) </dd></dl>
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<p>Referenced by <a class="el" href="thread_8c.html#acdca1ecb372546840fdd9d5d5badce07">opj_thread_pool_setup()</a>.</p>
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<td class="memname">void opj_cond_destroy </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="group___t_h_r_e_a_d.html#ga439cd27c17f11fc56a911a126811fb87">opj_cond_t</a> * </td>
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<td class="paramname"><em>cond</em></td><td>)</td>
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<p>Destroy a condition. </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">cond</td><td>the condition to destroy. </td></tr>
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<p>Referenced by <a class="el" href="group___t_h_r_e_a_d.html#gae44e8b9258d0baa19e3671a382faa33e">opj_thread_pool_destroy()</a>.</p>
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<td class="memname">void opj_cond_signal </td>
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<td class="paramtype"><a class="el" href="group___t_h_r_e_a_d.html#ga439cd27c17f11fc56a911a126811fb87">opj_cond_t</a> * </td>
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<td class="paramname"><em>cond</em></td><td>)</td>
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<p>Signal waiting threads on a condition. </p>
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<p>One of the thread waiting with <a class="el" href="group___t_h_r_e_a_d.html#ga6edf64f08cd0b48299800852d52245d6" title="Wait for the condition to be signaled. ">opj_cond_wait()</a> will be waken up. It is strongly advised that this call is done with the mutex that is used by <a class="el" href="group___t_h_r_e_a_d.html#ga6edf64f08cd0b48299800852d52245d6" title="Wait for the condition to be signaled. ">opj_cond_wait()</a>, in a acquired state. </p><dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">cond</td><td>the condition to signal. </td></tr>
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<p>Referenced by <a class="el" href="group___t_h_r_e_a_d.html#gae44e8b9258d0baa19e3671a382faa33e">opj_thread_pool_destroy()</a>, <a class="el" href="thread_8c.html#a57e6dc05f2283639a2ec0b6884d9691c">opj_thread_pool_get_next_job()</a>, and <a class="el" href="group___t_h_r_e_a_d.html#gaf389ecb3a583a30077fc546eef767c89">opj_thread_pool_submit_job()</a>.</p>
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<td class="memname">void opj_cond_wait </td>
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<td class="paramtype"><a class="el" href="group___t_h_r_e_a_d.html#ga439cd27c17f11fc56a911a126811fb87">opj_cond_t</a> * </td>
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<td class="paramname"><em>cond</em>, </td>
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<td class="paramtype"><a class="el" href="group___t_h_r_e_a_d.html#ga29120af1ce48d5ecd651795f2e427755">opj_mutex_t</a> * </td>
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<p>Wait for the condition to be signaled. </p>
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<p>The semantics is the same as the POSIX pthread_cond_wait. The provided mutex <em>must</em> be acquired before calling this function, and released afterwards. The mutex will be released by this function while it must wait for the condition and reacquired afterwards. In some particular situations, the function might return even if the condition is not signaled with <a class="el" href="group___t_h_r_e_a_d.html#ga0f3687b35d6f3c395e1156a8499d1632" title="Signal waiting threads on a condition. ">opj_cond_signal()</a>, hence the need to check with an application level mechanism.</p>
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<p>Waiting thread : </p><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> opj_mutex_lock(mutex);</div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> while( !some_application_level_condition )</div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> {</div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span>  opj_cond_wait(cond, mutex);</div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> }</div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> opj_mutex_unlock(mutex);</div>
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</div><!-- fragment --><p>Signaling thread : </p><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> opj_mutex_lock(mutex);</div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> some_application_level_condition = TRUE;</div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> opj_cond_signal(cond);</div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> opj_mutex_unlock(mutex);</div>
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</div><!-- fragment --><dl class="params"><dt>Parameters</dt><dd>
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<p>Referenced by <a class="el" href="thread_8c.html#a57e6dc05f2283639a2ec0b6884d9691c">opj_thread_pool_get_next_job()</a>, <a class="el" href="thread_8c.html#acdca1ecb372546840fdd9d5d5badce07">opj_thread_pool_setup()</a>, <a class="el" href="group___t_h_r_e_a_d.html#gaf389ecb3a583a30077fc546eef767c89">opj_thread_pool_submit_job()</a>, and <a class="el" href="group___t_h_r_e_a_d.html#ga0ced26c80598e49bf3a964bb802130f1">opj_thread_pool_wait_completion()</a>.</p>
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<td class="memname"><a class="el" href="group___t_h_r_e_a_d.html#ga29120af1ce48d5ecd651795f2e427755">opj_mutex_t</a>* opj_mutex_create </td>
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<p>Creates a mutex. </p>
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<dl class="section return"><dt>Returns</dt><dd>the mutex or NULL in case of error (can for example happen if the library is built without thread support) </dd></dl>
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<p>Referenced by <a class="el" href="tcd_8c.html#a61608d1a920574e556d417a4b0e23a3a">opj_tcd_t1_decode()</a>, <a class="el" href="group___t_h_r_e_a_d.html#ga24a3a1b343df1168a3beb57babfa0916">opj_thread_pool_create()</a>, and <a class="el" href="thread_8c.html#acdca1ecb372546840fdd9d5d5badce07">opj_thread_pool_setup()</a>.</p>
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<tr>
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<td class="memname">void opj_mutex_destroy </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="group___t_h_r_e_a_d.html#ga29120af1ce48d5ecd651795f2e427755">opj_mutex_t</a> * </td>
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<td class="paramname"><em>mutex</em></td><td>)</td>
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<td></td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>Destroy a mutex. </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">mutex</td><td>the mutex to destroy. </td></tr>
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</table>
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</dd>
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</dl>
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<p>Referenced by <a class="el" href="tcd_8c.html#a61608d1a920574e556d417a4b0e23a3a">opj_tcd_t1_decode()</a>, <a class="el" href="group___t_h_r_e_a_d.html#gae44e8b9258d0baa19e3671a382faa33e">opj_thread_pool_destroy()</a>, and <a class="el" href="thread_8c.html#acdca1ecb372546840fdd9d5d5badce07">opj_thread_pool_setup()</a>.</p>
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<a class="anchor" id="gab38a90b92a1d294f7e1886e36a405518"></a>
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<td class="memname">void opj_mutex_lock </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="group___t_h_r_e_a_d.html#ga29120af1ce48d5ecd651795f2e427755">opj_mutex_t</a> * </td>
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<td class="paramname"><em>mutex</em></td><td>)</td>
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<td></td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>Lock/acquire the mutex. </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">mutex</td><td>the mutex to acquire. </td></tr>
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</table>
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</dd>
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</dl>
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<p>Referenced by <a class="el" href="t1_8c.html#a4f37cf7aca8eb1313fe5bc320c85ad55">opj_t1_clbl_decode_processor()</a>, <a class="el" href="group___t1.html#gab90391839b2f56ca40aaae1b8748ca3c">opj_t1_decode_cblk()</a>, <a class="el" href="group___t_h_r_e_a_d.html#gae44e8b9258d0baa19e3671a382faa33e">opj_thread_pool_destroy()</a>, <a class="el" href="thread_8c.html#a57e6dc05f2283639a2ec0b6884d9691c">opj_thread_pool_get_next_job()</a>, <a class="el" href="thread_8c.html#acdca1ecb372546840fdd9d5d5badce07">opj_thread_pool_setup()</a>, <a class="el" href="group___t_h_r_e_a_d.html#gaf389ecb3a583a30077fc546eef767c89">opj_thread_pool_submit_job()</a>, and <a class="el" href="group___t_h_r_e_a_d.html#ga0ced26c80598e49bf3a964bb802130f1">opj_thread_pool_wait_completion()</a>.</p>
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<a class="anchor" id="gacf1f5a5f7f7257663505af02b717272c"></a>
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<div class="memitem">
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<td class="memname">void opj_mutex_unlock </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="group___t_h_r_e_a_d.html#ga29120af1ce48d5ecd651795f2e427755">opj_mutex_t</a> * </td>
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<td class="paramname"><em>mutex</em></td><td>)</td>
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<td></td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>Unlock/release the mutex. </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">mutex</td><td>the mutex to release. </td></tr>
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</table>
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</dd>
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</dl>
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<p>Referenced by <a class="el" href="t1_8c.html#a4f37cf7aca8eb1313fe5bc320c85ad55">opj_t1_clbl_decode_processor()</a>, <a class="el" href="group___t1.html#gab90391839b2f56ca40aaae1b8748ca3c">opj_t1_decode_cblk()</a>, <a class="el" href="group___t_h_r_e_a_d.html#gae44e8b9258d0baa19e3671a382faa33e">opj_thread_pool_destroy()</a>, <a class="el" href="thread_8c.html#a57e6dc05f2283639a2ec0b6884d9691c">opj_thread_pool_get_next_job()</a>, <a class="el" href="thread_8c.html#acdca1ecb372546840fdd9d5d5badce07">opj_thread_pool_setup()</a>, <a class="el" href="group___t_h_r_e_a_d.html#gaf389ecb3a583a30077fc546eef767c89">opj_thread_pool_submit_job()</a>, and <a class="el" href="group___t_h_r_e_a_d.html#ga0ced26c80598e49bf3a964bb802130f1">opj_thread_pool_wait_completion()</a>.</p>
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</div>
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<a class="anchor" id="ga541be683ba651c8244bde3f0d3650c92"></a>
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<tr>
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<td class="memname"><a class="el" href="group___t_h_r_e_a_d.html#gaed72b7b75acb6eaeb620085b01ee365b">opj_thread_t</a>* opj_thread_create </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="group___t_h_r_e_a_d.html#gae5f9aa8219645e0e836aaf0c453db624">opj_thread_fn</a> </td>
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<td class="paramname"><em>thread_fn</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">void * </td>
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<td class="paramname"><em>user_data</em> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>Creates a new thread. </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">thread_fn</td><td>Function to run in the new thread. </td></tr>
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<tr><td class="paramname">user_data</td><td>user data provided to the thread function. Might be NULL. </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section return"><dt>Returns</dt><dd>a thread handle or NULL in case of failure (can for example happen if the library is built without thread support) </dd></dl>
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<p>Referenced by <a class="el" href="thread_8c.html#acdca1ecb372546840fdd9d5d5badce07">opj_thread_pool_setup()</a>.</p>
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<a class="anchor" id="gad49986b56da75f8609b7c940c17f713f"></a>
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<div class="memitem">
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<td class="memname">void opj_thread_join </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="group___t_h_r_e_a_d.html#gaed72b7b75acb6eaeb620085b01ee365b">opj_thread_t</a> * </td>
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<td class="paramname"><em>thread</em></td><td>)</td>
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<td></td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>Wait for a thread to be finished and release associated resources to the thread handle. </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">thread</td><td>the thread to wait for being finished. </td></tr>
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</table>
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</dd>
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</dl>
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<p>Referenced by <a class="el" href="group___t_h_r_e_a_d.html#gae44e8b9258d0baa19e3671a382faa33e">opj_thread_pool_destroy()</a>.</p>
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<a class="anchor" id="ga24a3a1b343df1168a3beb57babfa0916"></a>
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<div class="memitem">
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<tr>
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<td class="memname"><a class="el" href="structopj__thread__pool__t.html">opj_thread_pool_t</a>* opj_thread_pool_create </td>
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<td>(</td>
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<td class="paramtype">int </td>
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<td class="paramname"><em>num_threads</em></td><td>)</td>
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<td></td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>Create a new thread pool. </p>
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<p>num_thread must nominally be >= 1 to create a real thread pool. If num_threads is negative or null, then a dummy thread pool will be created. All functions operating on the thread pool will work, but job submission will be run synchronously in the calling thread.</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">num_threads</td><td>the number of threads to allocate for this thread pool. </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section return"><dt>Returns</dt><dd>a thread pool handle, or NULL in case of failure (can for example happen if the library is built without thread support) </dd></dl>
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<p>References <a class="el" href="structopj__thread__pool__t.html#a818a719866334770dda95c675cb73d63">opj_thread_pool_t::mutex</a>, <a class="el" href="group___m_i_s_c.html#ga7fe6dfcb0a623dbec30daf0f48624bf7">opj_calloc()</a>, <a class="el" href="group___m_i_s_c.html#ga2bd00e2482ae36197631bde0665cfdfe">opj_free()</a>, <a class="el" href="group___t_h_r_e_a_d.html#gaa81ea27e801a8c0cf453b256ab38e067">opj_mutex_create()</a>, <a class="el" href="group___t_h_r_e_a_d.html#gae44e8b9258d0baa19e3671a382faa33e">opj_thread_pool_destroy()</a>, <a class="el" href="thread_8c.html#acdca1ecb372546840fdd9d5d5badce07">opj_thread_pool_setup()</a>, <a class="el" href="thread_8c.html#a28308877c7160bae4a21d2b1c8bddfe0">opj_tls_new()</a>, <a class="el" href="thread_8c.html#a72b07be38efb141bb1f0456227d233e5a837ff250630d32ebcbdec8ab7545cd23">OPJWTS_OK</a>, <a class="el" href="structopj__thread__pool__t.html#a3ee9c2691cf72fb90bf662490830b72b">opj_thread_pool_t::state</a>, and <a class="el" href="structopj__thread__pool__t.html#a401a98b276c965e0b63efaf9e1369730">opj_thread_pool_t::tls</a>.</p>
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<p>Referenced by <a class="el" href="bench__dwt_8c.html#a3c04138a5bfe5d72780bb7e82a18e627">main()</a>, <a class="el" href="group___j2_k.html#gad3c2b25f4d5a5f6fd4b442bc7210f6da">opj_j2k_create_compress()</a>, <a class="el" href="j2k_8h.html#ad76bb79d4d63030222ebf3dbe3fe86cf">opj_j2k_create_decompress()</a>, and <a class="el" href="group___j2_k.html#gabecf91393e6703f8be5006b19df1be22">opj_j2k_set_threads()</a>.</p>
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<a class="anchor" id="gae44e8b9258d0baa19e3671a382faa33e"></a>
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<td class="memname">void opj_thread_pool_destroy </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="structopj__thread__pool__t.html">opj_thread_pool_t</a> * </td>
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<td class="paramname"><em>tp</em></td><td>)</td>
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<td></td>
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</tr>
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</div><div class="memdoc">
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<p>Destroy a thread pool. </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">tp</td><td>the thread pool handle. </td></tr>
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</table>
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</dd>
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</dl>
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<p>References <a class="el" href="structopj__worker__thread__t.html#a8e7cdff9dab59b5be9ed46436437f28a">opj_worker_thread_t::cond</a>, <a class="el" href="structopj__thread__pool__t.html#a19d0f595937228552fe62c69cb2f6c44">opj_thread_pool_t::cond</a>, <a class="el" href="structopj__worker__thread__t.html#a2ba43db98feae7de2aaed97d08ec55ce">opj_worker_thread_t::mutex</a>, <a class="el" href="structopj__thread__pool__t.html#a818a719866334770dda95c675cb73d63">opj_thread_pool_t::mutex</a>, <a class="el" href="structopj__worker__thread__list__t.html#ac0a28fac91ec02c49898229a1122aa67">opj_worker_thread_list_t::next</a>, <a class="el" href="group___t_h_r_e_a_d.html#gafba4c2356f6d070d43e5f0d5c71fdbee">opj_cond_destroy()</a>, <a class="el" href="group___t_h_r_e_a_d.html#ga0f3687b35d6f3c395e1156a8499d1632">opj_cond_signal()</a>, <a class="el" href="group___m_i_s_c.html#ga2bd00e2482ae36197631bde0665cfdfe">opj_free()</a>, <a class="el" href="group___t_h_r_e_a_d.html#ga66757c34c788b873ad9acfb60a5e008b">opj_mutex_destroy()</a>, <a class="el" href="group___t_h_r_e_a_d.html#gab38a90b92a1d294f7e1886e36a405518">opj_mutex_lock()</a>, <a class="el" href="group___t_h_r_e_a_d.html#gacf1f5a5f7f7257663505af02b717272c">opj_mutex_unlock()</a>, <a class="el" href="group___t_h_r_e_a_d.html#gad49986b56da75f8609b7c940c17f713f">opj_thread_join()</a>, <a class="el" href="group___t_h_r_e_a_d.html#ga0ced26c80598e49bf3a964bb802130f1">opj_thread_pool_wait_completion()</a>, <a class="el" href="thread_8c.html#a8f4ee11fc0faa44d49f2c341cbf3dc79">opj_tls_destroy()</a>, <a class="el" href="thread_8c.html#a72b07be38efb141bb1f0456227d233e5a3e1ea93366aedb1abcd0498bf72db68a">OPJWTS_STOP</a>, <a class="el" href="structopj__thread__pool__t.html#a3ee9c2691cf72fb90bf662490830b72b">opj_thread_pool_t::state</a>, <a class="el" href="structopj__worker__thread__t.html#a7ef79b815efbb4ff8d49f3ed4f677073">opj_worker_thread_t::thread</a>, <a class="el" href="structopj__thread__pool__t.html#a401a98b276c965e0b63efaf9e1369730">opj_thread_pool_t::tls</a>, <a class="el" href="structopj__thread__pool__t.html#a50c4caa87ba2a6767d909898cc92b37a">opj_thread_pool_t::waiting_worker_thread_list</a>, <a class="el" href="structopj__thread__pool__t.html#adb012d263904a4f62812ed7d30b0a47e">opj_thread_pool_t::worker_threads</a>, and <a class="el" href="structopj__thread__pool__t.html#a43fd14e3ba8409a0fac589a6dd4e7ee1">opj_thread_pool_t::worker_threads_count</a>.</p>
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<p>Referenced by <a class="el" href="bench__dwt_8c.html#a3c04138a5bfe5d72780bb7e82a18e627">main()</a>, <a class="el" href="j2k_8h.html#a5c4508543b134e726107308b6463528e">opj_j2k_destroy()</a>, <a class="el" href="group___j2_k.html#gabecf91393e6703f8be5006b19df1be22">opj_j2k_set_threads()</a>, and <a class="el" href="group___t_h_r_e_a_d.html#ga24a3a1b343df1168a3beb57babfa0916">opj_thread_pool_create()</a>.</p>
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<a class="anchor" id="ga4faef98a6b8495c63e9e5ce9cf0c3fc3"></a>
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<td class="memname">int opj_thread_pool_get_thread_count </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="structopj__thread__pool__t.html">opj_thread_pool_t</a> * </td>
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<td class="paramname"><em>tp</em></td><td>)</td>
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<td></td>
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</div><div class="memdoc">
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<p>Return the number of threads associated with the thread pool. </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">tp</td><td>the thread pool handle. </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section return"><dt>Returns</dt><dd>number of threads associated with the thread pool. </dd></dl>
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<p>References <a class="el" href="structopj__thread__pool__t.html#a43fd14e3ba8409a0fac589a6dd4e7ee1">opj_thread_pool_t::worker_threads_count</a>.</p>
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<p>Referenced by <a class="el" href="group___d_w_t.html#ga473550255363b8acb0c9b10a6dbac434">opj_dwt_decode_tile()</a>, and <a class="el" href="group___t1.html#ga5df121baefa4293a2c0d0122694e0902">opj_t1_decode_cblks()</a>.</p>
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<a class="anchor" id="gaf389ecb3a583a30077fc546eef767c89"></a>
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<td class="memname"><a class="el" href="openjpeg_8h.html#abb5dad6294f4611f1925388e919b16f4">OPJ_BOOL</a> opj_thread_pool_submit_job </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="structopj__thread__pool__t.html">opj_thread_pool_t</a> * </td>
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<td class="paramname"><em>tp</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype"><a class="el" href="group___t_h_r_e_a_d.html#gaf29983f3245378c30edbef61fe22913b">opj_job_fn</a> </td>
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<td class="paramname"><em>job_fn</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">void * </td>
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<td class="paramname"><em>user_data</em> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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<p>Submit a new job to be run by one of the thread in the thread pool. </p>
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<p>The job ( thread_fn, user_data ) will be added in the queue of jobs managed by the thread pool, and run by the first thread that is no longer busy.</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">tp</td><td>the thread pool handle. </td></tr>
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<tr><td class="paramname">job_fn</td><td>Function to run. Must not be NULL. </td></tr>
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<tr><td class="paramname">user_data</td><td>User data provided to thread_fn. </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>OPJ_TRUE if the job was successfully submitted. </dd></dl>
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<p>References <a class="el" href="structopj__worker__thread__t.html#a8e7cdff9dab59b5be9ed46436437f28a">opj_worker_thread_t::cond</a>, <a class="el" href="structopj__thread__pool__t.html#a19d0f595937228552fe62c69cb2f6c44">opj_thread_pool_t::cond</a>, <a class="el" href="structopj__job__list__t.html#a84b556f2984f8f7a4b38cb0a075d3d1e">opj_job_list_t::job</a>, <a class="el" href="structopj__worker__thread__job__t.html#ab9dc542136b4596b711e3be011abdd4d">opj_worker_thread_job_t::job_fn</a>, <a class="el" href="structopj__thread__pool__t.html#aff15e4a4599fc823762f8d3c28d8353d">opj_thread_pool_t::job_queue</a>, <a class="el" href="structopj__worker__thread__t.html#a6cf93c9b46f4b51b9247a179f49fc796">opj_worker_thread_t::marked_as_waiting</a>, <a class="el" href="structopj__worker__thread__t.html#a2ba43db98feae7de2aaed97d08ec55ce">opj_worker_thread_t::mutex</a>, <a class="el" href="structopj__thread__pool__t.html#a818a719866334770dda95c675cb73d63">opj_thread_pool_t::mutex</a>, <a class="el" href="structopj__job__list__t.html#a27d174268d6050639a4032780172d87f">opj_job_list_t::next</a>, <a class="el" href="structopj__worker__thread__list__t.html#ac0a28fac91ec02c49898229a1122aa67">opj_worker_thread_list_t::next</a>, <a class="el" href="group___t_h_r_e_a_d.html#ga0f3687b35d6f3c395e1156a8499d1632">opj_cond_signal()</a>, <a class="el" href="group___t_h_r_e_a_d.html#ga6edf64f08cd0b48299800852d52245d6">opj_cond_wait()</a>, <a class="el" href="openjpeg_8h.html#ac672bfd7db39c609e828acb07a321964">OPJ_FALSE</a>, <a class="el" href="group___m_i_s_c.html#ga2bd00e2482ae36197631bde0665cfdfe">opj_free()</a>, <a class="el" href="group___m_i_s_c.html#ga49c70931cbed786f6eef5f095bcb2917">opj_malloc()</a>, <a class="el" href="group___t_h_r_e_a_d.html#gab38a90b92a1d294f7e1886e36a405518">opj_mutex_lock()</a>, <a class="el" href="group___t_h_r_e_a_d.html#gacf1f5a5f7f7257663505af02b717272c">opj_mutex_unlock()</a>, <a class="el" href="openjpeg_8h.html#a04830036d767cba56cbf5ae5bdc481d3">OPJ_TRUE</a>, <a class="el" href="structopj__thread__pool__t.html#ad84a2e09419498cf81c8994f0441b131">opj_thread_pool_t::pending_jobs_count</a>, <a class="el" href="structopj__thread__pool__t.html#ae68571d1cf6eae577c75df49c2827438">opj_thread_pool_t::signaling_threshold</a>, <a class="el" href="structopj__thread__pool__t.html#a401a98b276c965e0b63efaf9e1369730">opj_thread_pool_t::tls</a>, <a class="el" href="structopj__worker__thread__job__t.html#a89f225764ee25dabc5e374ed277cd286">opj_worker_thread_job_t::user_data</a>, <a class="el" href="structopj__thread__pool__t.html#abad6b35fb3cc6cd8aaaf523de9a4a187">opj_thread_pool_t::waiting_worker_thread_count</a>, <a class="el" href="structopj__thread__pool__t.html#a50c4caa87ba2a6767d909898cc92b37a">opj_thread_pool_t::waiting_worker_thread_list</a>, <a class="el" href="structopj__worker__thread__list__t.html#af36b36ba7fc3ab5febe59faf30c86c7f">opj_worker_thread_list_t::worker_thread</a>, and <a class="el" href="structopj__thread__pool__t.html#a43fd14e3ba8409a0fac589a6dd4e7ee1">opj_thread_pool_t::worker_threads_count</a>.</p>
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<p>Referenced by <a class="el" href="group___d_w_t.html#ga473550255363b8acb0c9b10a6dbac434">opj_dwt_decode_tile()</a>, and <a class="el" href="group___t1.html#ga5df121baefa4293a2c0d0122694e0902">opj_t1_decode_cblks()</a>.</p>
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<td class="memname">void opj_thread_pool_wait_completion </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="structopj__thread__pool__t.html">opj_thread_pool_t</a> * </td>
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<td class="paramname"><em>tp</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">int </td>
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<td class="paramname"><em>max_remaining_jobs</em> </td>
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<td></td>
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<td>)</td>
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</div><div class="memdoc">
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<p>Wait that no more than max_remaining_jobs jobs are remaining in the queue of the thread pool. </p>
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<p>The aim of this function is to avoid submitting too many jobs while the thread pool cannot cope fast enough with them, which would result potentially in out-of-memory situations with too many job descriptions being queued.</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">tp</td><td>the thread pool handle </td></tr>
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<tr><td class="paramname">max_remaining_jobs</td><td>maximum number of jobs allowed to be queued without waiting. </td></tr>
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<p>References <a class="el" href="structopj__thread__pool__t.html#a19d0f595937228552fe62c69cb2f6c44">opj_thread_pool_t::cond</a>, <a class="el" href="structopj__thread__pool__t.html#a818a719866334770dda95c675cb73d63">opj_thread_pool_t::mutex</a>, <a class="el" href="group___t_h_r_e_a_d.html#ga6edf64f08cd0b48299800852d52245d6">opj_cond_wait()</a>, <a class="el" href="group___t_h_r_e_a_d.html#gab38a90b92a1d294f7e1886e36a405518">opj_mutex_lock()</a>, <a class="el" href="group___t_h_r_e_a_d.html#gacf1f5a5f7f7257663505af02b717272c">opj_mutex_unlock()</a>, <a class="el" href="structopj__thread__pool__t.html#ad84a2e09419498cf81c8994f0441b131">opj_thread_pool_t::pending_jobs_count</a>, and <a class="el" href="structopj__thread__pool__t.html#ae68571d1cf6eae577c75df49c2827438">opj_thread_pool_t::signaling_threshold</a>.</p>
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<p>Referenced by <a class="el" href="group___d_w_t.html#ga473550255363b8acb0c9b10a6dbac434">opj_dwt_decode_tile()</a>, <a class="el" href="tcd_8c.html#a61608d1a920574e556d417a4b0e23a3a">opj_tcd_t1_decode()</a>, and <a class="el" href="group___t_h_r_e_a_d.html#gae44e8b9258d0baa19e3671a382faa33e">opj_thread_pool_destroy()</a>.</p>
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<td class="memname">void* opj_tls_get </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="structopj__tls__t.html">opj_tls_t</a> * </td>
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<td class="paramname"><em>tls</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">int </td>
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<td class="paramname"><em>key</em> </td>
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<td></td>
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<td>)</td>
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<p>Get a thread local value corresponding to the provided key. </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">tls</td><td>thread local storage handle </td></tr>
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<tr><td class="paramname">key</td><td>key whose value to retrieve. </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>value associated with the key, or NULL is missing. </dd></dl>
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<p>References <a class="el" href="structopj__tls__key__val__t.html#ad6fb434626095a18d07e1f617c1caa4a">opj_tls_key_val_t::key</a>, <a class="el" href="structopj__tls__t.html#adfd2bdbeb80b7f067288709b3c3fc1aa">opj_tls_t::key_val</a>, <a class="el" href="structopj__tls__t.html#ae2c441fd26b7ae11a86163d5bebb4d2e">opj_tls_t::key_val_count</a>, and <a class="el" href="structopj__tls__key__val__t.html#a58ca4c6fe1d0342a77b89bb240a6f549">opj_tls_key_val_t::value</a>.</p>
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<p>Referenced by <a class="el" href="t1_8c.html#a4f37cf7aca8eb1313fe5bc320c85ad55">opj_t1_clbl_decode_processor()</a>.</p>
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<td class="memname"><a class="el" href="openjpeg_8h.html#abb5dad6294f4611f1925388e919b16f4">OPJ_BOOL</a> opj_tls_set </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="structopj__tls__t.html">opj_tls_t</a> * </td>
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<td class="paramname"><em>tls</em>, </td>
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</tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">int </td>
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<td class="paramname"><em>key</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">void * </td>
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<td class="paramname"><em>value</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype"><a class="el" href="group___t_h_r_e_a_d.html#ga38f8cdfd288c8ff8963444403549ad6c">opj_tls_free_func</a> </td>
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<td class="paramname"><em>free_func</em> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</div><div class="memdoc">
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<p>Set a thread local value corresponding to the provided key. </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">tls</td><td>thread local storage handle </td></tr>
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<tr><td class="paramname">key</td><td>key whose value to set. </td></tr>
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<tr><td class="paramname">value</td><td>value to set (may be NULL). </td></tr>
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<tr><td class="paramname">free_func</td><td>function to call currently installed value. </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section return"><dt>Returns</dt><dd>OPJ_TRUE if successful. </dd></dl>
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<p>References <a class="el" href="structopj__tls__key__val__t.html#ad6fb434626095a18d07e1f617c1caa4a">opj_tls_key_val_t::key</a>, <a class="el" href="structopj__tls__t.html#adfd2bdbeb80b7f067288709b3c3fc1aa">opj_tls_t::key_val</a>, <a class="el" href="structopj__tls__t.html#ae2c441fd26b7ae11a86163d5bebb4d2e">opj_tls_t::key_val_count</a>, <a class="el" href="openjpeg_8h.html#ac672bfd7db39c609e828acb07a321964">OPJ_FALSE</a>, <a class="el" href="structopj__tls__key__val__t.html#a3a1ff12d54b55c7d3e30f31b10ad261e">opj_tls_key_val_t::opj_free_func</a>, <a class="el" href="group___m_i_s_c.html#ga95862b2a456efdc436c61beba816fb25">opj_realloc()</a>, <a class="el" href="openjpeg_8h.html#a04830036d767cba56cbf5ae5bdc481d3">OPJ_TRUE</a>, and <a class="el" href="structopj__tls__key__val__t.html#a58ca4c6fe1d0342a77b89bb240a6f549">opj_tls_key_val_t::value</a>.</p>
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<p>Referenced by <a class="el" href="t1_8c.html#a4f37cf7aca8eb1313fe5bc320c85ad55">opj_t1_clbl_decode_processor()</a>.</p>
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