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Code Issues Releases Activity

Use adaptive mutexes when available.

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This commit is contained in:
Arun Sharma 2013-11-17 20:33:33 -08:00
parent 2c3444d0f4
commit 85ce920cff
1 changed files with 8 additions and 1 deletions
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9
include/libunwind_i.h
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@ -186,8 +186,15 @@ static inline void mark_as_used(void *v UNUSED) {
# define SIGPROCMASK(how, new_mask, old_mask) mark_as_used(old_mask) # define SIGPROCMASK(how, new_mask, old_mask) mark_as_used(old_mask)
#endif #endif
/* Prefer adaptive mutexes if available */
#ifdef PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP
#define UNW_PTHREAD_MUTEX_INITIALIZER PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP
#else
#define UNW_PTHREAD_MUTEX_INITIALIZER PTHREAD_MUTEX_INITIALIZER
#endif
#define define_lock(name) \ #define define_lock(name) \
pthread_mutex_t name = PTHREAD_MUTEX_INITIALIZER pthread_mutex_t name = UNW_PTHREAD_MUTEX_INITIALIZER
#define lock_init(l) mutex_init (l) #define lock_init(l) mutex_init (l)
#define lock_acquire(l,m) \ #define lock_acquire(l,m) \
do { \ do { \