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mingw: uglify (a, 0) definitions to shut up warnings
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>
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@ -1802,9 +1802,10 @@ struct win32_mlock_t
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volatile long threadid;
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};
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static inline int return_0(int i) { return 0; }
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#define MLOCK_T struct win32_mlock_t
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#define CURRENT_THREAD win32_getcurrentthreadid()
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#define INITIAL_LOCK(sl) (memset(sl, 0, sizeof(MLOCK_T)), 0)
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#define INITIAL_LOCK(sl) (memset(sl, 0, sizeof(MLOCK_T)), return_0(0))
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#define ACQUIRE_LOCK(sl) win32_acquire_lock(sl)
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#define RELEASE_LOCK(sl) win32_release_lock(sl)
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#define TRY_LOCK(sl) win32_try_lock(sl)
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@ -18,7 +18,10 @@
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*/
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#define pthread_mutex_t CRITICAL_SECTION
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#define pthread_mutex_init(a,b) (InitializeCriticalSection((a)), 0)
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static inline int return_0(int i) {
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return 0;
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}
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#define pthread_mutex_init(a,b) return_0((InitializeCriticalSection((a)), 0))
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#define pthread_mutex_destroy(a) DeleteCriticalSection((a))
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#define pthread_mutex_lock EnterCriticalSection
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#define pthread_mutex_unlock LeaveCriticalSection
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