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openSUSE:Evergreen:Maintenance:4601
glibc.openSUSE_13.1_Update
pthread-mutex-trylock-elision.patch
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File pthread-mutex-trylock-elision.patch of Package glibc.openSUSE_13.1_Update
Properly handle forced elision in pthread_mutex_trylock [BZ #16657] * nptl/pthread_mutex_trylock.c (__pthread_mutex_trylock): Use FORCE_ELISION instead of DO_ELISION. Index: glibc-2.18/nptl/pthread_mutex_trylock.c =================================================================== --- glibc-2.18.orig/nptl/pthread_mutex_trylock.c +++ glibc-2.18/nptl/pthread_mutex_trylock.c @@ -26,8 +26,8 @@ #define lll_trylock_elision(a,t) lll_trylock(a) #endif -#ifndef DO_ELISION -#define DO_ELISION(m) 0 +#ifndef FORCE_ELISION +#define FORCE_ELISION(m, s) #endif /* We don't force elision in trylock, because this can lead to inconsistent @@ -77,8 +77,7 @@ __pthread_mutex_trylock (mutex) return 0; case PTHREAD_MUTEX_TIMED_NP: - if (DO_ELISION (mutex)) - goto elision; + FORCE_ELISION (mutex, goto elision); /*FALL THROUGH*/ case PTHREAD_MUTEX_ADAPTIVE_NP: case PTHREAD_MUTEX_ERRORCHECK_NP:
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