parent
4e22c7e941
commit
a5ab682b9b
|
@ -182,9 +182,9 @@ hb_blob_lock (hb_blob_t *blob)
|
|||
|
||||
hb_mutex_lock (blob->lock);
|
||||
|
||||
if (HB_DEBUG_BLOB)
|
||||
(void) (HB_DEBUG_BLOB &&
|
||||
fprintf (stderr, "%p %s (%d) -> %p\n", blob, __FUNCTION__,
|
||||
blob->lock_count, blob->data);
|
||||
blob->lock_count, blob->data));
|
||||
|
||||
blob->lock_count++;
|
||||
|
||||
|
@ -201,9 +201,9 @@ hb_blob_unlock (hb_blob_t *blob)
|
|||
|
||||
hb_mutex_lock (blob->lock);
|
||||
|
||||
if (HB_DEBUG_BLOB)
|
||||
(void) (HB_DEBUG_BLOB &&
|
||||
fprintf (stderr, "%p %s (%d) -> %p\n", blob, __FUNCTION__,
|
||||
blob->lock_count, blob->data);
|
||||
blob->lock_count, blob->data));
|
||||
|
||||
assert (blob->lock_count > 0);
|
||||
blob->lock_count--;
|
||||
|
@ -245,30 +245,30 @@ _try_make_writable_inplace_unix_locked (hb_blob_t *blob)
|
|||
#endif
|
||||
|
||||
if ((uintptr_t) -1L == pagesize) {
|
||||
if (HB_DEBUG_BLOB)
|
||||
fprintf (stderr, "%p %s: failed to get pagesize: %s\n", blob, __FUNCTION__, strerror (errno));
|
||||
(void) (HB_DEBUG_BLOB &&
|
||||
fprintf (stderr, "%p %s: failed to get pagesize: %s\n", blob, __FUNCTION__, strerror (errno)));
|
||||
return FALSE;
|
||||
}
|
||||
if (HB_DEBUG_BLOB)
|
||||
fprintf (stderr, "%p %s: pagesize is %lu\n", blob, __FUNCTION__, (unsigned long) pagesize);
|
||||
(void) (HB_DEBUG_BLOB &&
|
||||
fprintf (stderr, "%p %s: pagesize is %lu\n", blob, __FUNCTION__, (unsigned long) pagesize));
|
||||
|
||||
mask = ~(pagesize-1);
|
||||
addr = (const char *) (((uintptr_t) blob->data) & mask);
|
||||
length = (const char *) (((uintptr_t) blob->data + blob->length + pagesize-1) & mask) - addr;
|
||||
if (HB_DEBUG_BLOB)
|
||||
(void) (HB_DEBUG_BLOB &&
|
||||
fprintf (stderr, "%p %s: calling mprotect on [%p..%p] (%lu bytes)\n",
|
||||
blob, __FUNCTION__,
|
||||
addr, addr+length, (unsigned long) length);
|
||||
addr, addr+length, (unsigned long) length));
|
||||
if (-1 == mprotect ((void *) addr, length, PROT_READ | PROT_WRITE)) {
|
||||
if (HB_DEBUG_BLOB)
|
||||
fprintf (stderr, "%p %s: %s\n", blob, __FUNCTION__, strerror (errno));
|
||||
(void) (HB_DEBUG_BLOB &&
|
||||
fprintf (stderr, "%p %s: %s\n", blob, __FUNCTION__, strerror (errno)));
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
if (HB_DEBUG_BLOB)
|
||||
(void) (HB_DEBUG_BLOB &&
|
||||
fprintf (stderr, "%p %s: successfully made [%p..%p] (%lu bytes) writable\n",
|
||||
blob, __FUNCTION__,
|
||||
addr, addr+length, (unsigned long) length);
|
||||
addr, addr+length, (unsigned long) length));
|
||||
return TRUE;
|
||||
#else
|
||||
return FALSE;
|
||||
|
@ -278,16 +278,16 @@ _try_make_writable_inplace_unix_locked (hb_blob_t *blob)
|
|||
static void
|
||||
try_writable_inplace_locked (hb_blob_t *blob)
|
||||
{
|
||||
if (HB_DEBUG_BLOB)
|
||||
fprintf (stderr, "%p %s: making writable\n", blob, __FUNCTION__);
|
||||
(void) (HB_DEBUG_BLOB &&
|
||||
fprintf (stderr, "%p %s: making writable\n", blob, __FUNCTION__));
|
||||
|
||||
if (_try_make_writable_inplace_unix_locked (blob)) {
|
||||
if (HB_DEBUG_BLOB)
|
||||
fprintf (stderr, "%p %s: making writable -> succeeded\n", blob, __FUNCTION__);
|
||||
(void) (HB_DEBUG_BLOB &&
|
||||
fprintf (stderr, "%p %s: making writable -> succeeded\n", blob, __FUNCTION__));
|
||||
blob->mode = HB_MEMORY_MODE_WRITABLE;
|
||||
} else {
|
||||
if (HB_DEBUG_BLOB)
|
||||
fprintf (stderr, "%p %s: making writable -> FAILED\n", blob, __FUNCTION__);
|
||||
(void) (HB_DEBUG_BLOB &&
|
||||
fprintf (stderr, "%p %s: making writable -> FAILED\n", blob, __FUNCTION__));
|
||||
/* Failed to make writable inplace, mark that */
|
||||
blob->mode = HB_MEMORY_MODE_READONLY;
|
||||
}
|
||||
|
@ -330,17 +330,17 @@ hb_blob_try_writable (hb_blob_t *blob)
|
|||
{
|
||||
char *new_data;
|
||||
|
||||
if (HB_DEBUG_BLOB)
|
||||
(void) (HB_DEBUG_BLOB &&
|
||||
fprintf (stderr, "%p %s (%d) -> %p\n", blob, __FUNCTION__,
|
||||
blob->lock_count, blob->data);
|
||||
blob->lock_count, blob->data));
|
||||
|
||||
if (blob->lock_count)
|
||||
goto done;
|
||||
|
||||
new_data = malloc (blob->length);
|
||||
if (new_data) {
|
||||
if (HB_DEBUG_BLOB)
|
||||
fprintf (stderr, "%p %s: dupped successfully -> %p\n", blob, __FUNCTION__, blob->data);
|
||||
(void) (HB_DEBUG_BLOB &&
|
||||
fprintf (stderr, "%p %s: dupped successfully -> %p\n", blob, __FUNCTION__, blob->data));
|
||||
memcpy (new_data, blob->data, blob->length);
|
||||
_hb_blob_destroy_user_data (blob);
|
||||
blob->mode = HB_MEMORY_MODE_WRITABLE;
|
||||
|
|
Loading…
Reference in New Issue