diff options
Diffstat (limited to 'libgomp/config/posix/lock.c')
-rw-r--r-- | libgomp/config/posix/lock.c | 207 |
1 files changed, 196 insertions, 11 deletions
diff --git a/libgomp/config/posix/lock.c b/libgomp/config/posix/lock.c index 59459bb86ce..c2868398c66 100644 --- a/libgomp/config/posix/lock.c +++ b/libgomp/config/posix/lock.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2005 Free Software Foundation, Inc. +/* Copyright (C) 2005, 2008 Free Software Foundation, Inc. Contributed by Richard Henderson <rth@redhat.com>. This file is part of the GNU OpenMP Library (libgomp). @@ -42,39 +42,209 @@ #include "libgomp.h" +#ifdef HAVE_BROKEN_POSIX_SEMAPHORES +void +gomp_init_lock_30 (omp_lock_t *lock) +{ + pthread_mutex_init (lock, NULL); +} + +void +gomp_destroy_lock_30 (omp_lock_t *lock) +{ + pthread_mutex_destroy (lock); +} + +void +gomp_set_lock_30 (omp_lock_t *lock) +{ + pthread_mutex_lock (lock); +} + +void +gomp_unset_lock_30 (omp_lock_t *lock) +{ + pthread_mutex_unlock (lock); +} + +int +gomp_test_lock_30 (omp_lock_t *lock) +{ + return pthread_mutex_trylock (lock) == 0; +} + +void +gomp_init_nest_lock_30 (omp_nest_lock_t *lock) +{ + pthread_mutex_init (&lock->lock, NULL); + lock->count = 0; + lock->owner = NULL; +} + +void +gomp_destroy_nest_lock_30 (omp_nest_lock_t *lock) +{ + pthread_mutex_destroy (&lock->lock); +} + +void +gomp_set_nest_lock_30 (omp_nest_lock_t *lock) +{ + void *me = gomp_icv (true); + + if (lock->owner != me) + { + pthread_mutex_lock (&lock->lock); + lock->owner = me; + } + lock->count++; +} + +void +gomp_unset_nest_lock_30 (omp_nest_lock_t *lock) +{ + if (--lock->count == 0) + { + lock->owner = NULL; + pthread_mutex_unlock (&lock->lock); + } +} + +int +gomp_test_nest_lock_30 (omp_nest_lock_t *lock) +{ + void *me = gomp_icv (true); + + if (lock->owner != me) + { + if (pthread_mutex_trylock (&lock->lock) != 0) + return 0; + lock->owner = me; + } + + return ++lock->count; +} + +#else void -omp_init_lock (omp_lock_t *lock) +gomp_init_lock_30 (omp_lock_t *lock) +{ + sem_init (lock, 0, 1); +} + +void +gomp_destroy_lock_30 (omp_lock_t *lock) +{ + sem_destroy (lock); +} + +void +gomp_set_lock_30 (omp_lock_t *lock) +{ + while (sem_wait (lock) != 0) + ; +} + +void +gomp_unset_lock_30 (omp_lock_t *lock) +{ + sem_post (lock); +} + +int +gomp_test_lock_30 (omp_lock_t *lock) +{ + return sem_trywait (lock) == 0; +} + +void +gomp_init_nest_lock_30 (omp_nest_lock_t *lock) +{ + sem_init (&lock->lock, 0, 1); + lock->count = 0; + lock->owner = NULL; +} + +void +gomp_destroy_nest_lock_30 (omp_nest_lock_t *lock) +{ + sem_destroy (&lock->lock); +} + +void +gomp_set_nest_lock_30 (omp_nest_lock_t *lock) +{ + void *me = gomp_icv (true); + + if (lock->owner != me) + { + while (sem_wait (&lock->lock) != 0) + ; + lock->owner = me; + } + lock->count++; +} + +void +gomp_unset_nest_lock_30 (omp_nest_lock_t *lock) +{ + if (--lock->count == 0) + { + lock->owner = NULL; + sem_post (&lock->lock); + } +} + +int +gomp_test_nest_lock_30 (omp_nest_lock_t *lock) +{ + void *me = gomp_icv (true); + + if (lock->owner != me) + { + if (sem_trywait (&lock->lock) != 0) + return 0; + lock->owner = me; + } + + return ++lock->count; +} +#endif + +#ifdef LIBGOMP_GNU_SYMBOL_VERSIONING +void +gomp_init_lock_25 (omp_lock_25_t *lock) { pthread_mutex_init (lock, NULL); } void -omp_destroy_lock (omp_lock_t *lock) +gomp_destroy_lock_25 (omp_lock_25_t *lock) { pthread_mutex_destroy (lock); } void -omp_set_lock (omp_lock_t *lock) +gomp_set_lock_25 (omp_lock_25_t *lock) { pthread_mutex_lock (lock); } void -omp_unset_lock (omp_lock_t *lock) +gomp_unset_lock_25 (omp_lock_25_t *lock) { pthread_mutex_unlock (lock); } int -omp_test_lock (omp_lock_t *lock) +gomp_test_lock_25 (omp_lock_25_t *lock) { return pthread_mutex_trylock (lock) == 0; } void -omp_init_nest_lock (omp_nest_lock_t *lock) +gomp_init_nest_lock_25 (omp_nest_lock_25_t *lock) { pthread_mutexattr_t attr; @@ -86,33 +256,46 @@ omp_init_nest_lock (omp_nest_lock_t *lock) } void -omp_destroy_nest_lock (omp_nest_lock_t *lock) +gomp_destroy_nest_lock_25 (omp_nest_lock_25_t *lock) { pthread_mutex_destroy (&lock->lock); } void -omp_set_nest_lock (omp_nest_lock_t *lock) +gomp_set_nest_lock_25 (omp_nest_lock_25_t *lock) { pthread_mutex_lock (&lock->lock); lock->count++; } void -omp_unset_nest_lock (omp_nest_lock_t *lock) +gomp_unset_nest_lock_25 (omp_nest_lock_25_t *lock) { lock->count--; pthread_mutex_unlock (&lock->lock); } int -omp_test_nest_lock (omp_nest_lock_t *lock) +gomp_test_nest_lock_25 (omp_nest_lock_25_t *lock) { if (pthread_mutex_trylock (&lock->lock) == 0) return ++lock->count; return 0; } +omp_lock_symver (omp_init_lock) +omp_lock_symver (omp_destroy_lock) +omp_lock_symver (omp_set_lock) +omp_lock_symver (omp_unset_lock) +omp_lock_symver (omp_test_lock) +omp_lock_symver (omp_init_nest_lock) +omp_lock_symver (omp_destroy_nest_lock) +omp_lock_symver (omp_set_nest_lock) +omp_lock_symver (omp_unset_nest_lock) +omp_lock_symver (omp_test_nest_lock) + +#else + ialias (omp_init_lock) ialias (omp_init_nest_lock) ialias (omp_destroy_lock) @@ -123,3 +306,5 @@ ialias (omp_unset_lock) ialias (omp_unset_nest_lock) ialias (omp_test_lock) ialias (omp_test_nest_lock) + +#endif |