added __PHYSFS_ATOMIC_INCR and __PHYSFS_ATOMIC_DECR for watcom compiler
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@ -117,6 +117,15 @@ __PHYSFS_COMPILE_TIME_ASSERT(LongEqualsInt, sizeof (int) == sizeof (long));
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#elif defined(__clang__) || (defined(__GNUC__) && (((__GNUC__ * 10000) + (__GNUC_MINOR__ * 100)) >= 40100))
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#elif defined(__clang__) || (defined(__GNUC__) && (((__GNUC__ * 10000) + (__GNUC_MINOR__ * 100)) >= 40100))
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#define __PHYSFS_ATOMIC_INCR(ptrval) __sync_fetch_and_add(ptrval, 1)
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#define __PHYSFS_ATOMIC_INCR(ptrval) __sync_fetch_and_add(ptrval, 1)
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#define __PHYSFS_ATOMIC_DECR(ptrval) __sync_fetch_and_add(ptrval, -1)
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#define __PHYSFS_ATOMIC_DECR(ptrval) __sync_fetch_and_add(ptrval, -1)
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#elif defined(__WATCOMC__) && defined(__386__)
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extern __inline int _xadd_watcom(volatile int *a, int v);
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#pragma aux _xadd_watcom = \
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"lock xadd [ecx], eax" \
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parm [ecx] [eax] \
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value [eax] \
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modify exact [eax];
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#define __PHYSFS_ATOMIC_INCR(ptrval) _xadd_watcom(ptrval, 1)
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#define __PHYSFS_ATOMIC_DECR(ptrval) _xadd_watcom(ptrval, -1)
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#else
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#else
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#define PHYSFS_NEED_ATOMIC_OP_FALLBACK 1
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#define PHYSFS_NEED_ATOMIC_OP_FALLBACK 1
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int __PHYSFS_ATOMIC_INCR(int *ptrval);
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int __PHYSFS_ATOMIC_INCR(int *ptrval);
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