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mingw: uglify (a, 0) definitions to shut up warnings

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When the result of a (a, 0) expression is not used, MSys2's GCC version
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>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Johannes Schindelin
2016-01-15 14:24:45 +01:00
committed by Junio C Hamano
parent 83c90da3c1
commit 2921600afb
2 changed files with 6 additions and 2 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