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mingw: uglify pthread_mutex_init definition to shut up warning

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When the result of a (a, 0) expression is not used, GCC now finds it
necessary to complain with a warning:

	right-hand operand of comma expression has no effect

Let's just pretend to use the 0 value and have a peaceful and quiet life
again.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
This commit is contained in:
Johannes Schindelin
2015-03-31 17:39:54 +01:00
parent c210b6a5fe
commit c557dee8da
1 changed files with 4 additions and 1 deletions
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5
compat/win32/pthread.h
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@@ -18,7 +18,10 @@
*/
#define pthread_mutex_t CRITICAL_SECTION
#define pthread_mutex_init(a,b) (InitializeCriticalSection((a)), 0)
static inline int return_0(int i) {
return 0;
}
#define pthread_mutex_init(a,b) return_0((InitializeCriticalSection((a)), 0))
#define pthread_mutex_destroy(a) DeleteCriticalSection((a))
#define pthread_mutex_lock EnterCriticalSection
#define pthread_mutex_unlock LeaveCriticalSection