diff options
Diffstat (limited to 'compat/darwin_compat.h')
-rw-r--r-- | compat/darwin_compat.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/compat/darwin_compat.h b/compat/darwin_compat.h new file mode 100644 index 0000000..0a16471 --- /dev/null +++ b/compat/darwin_compat.h @@ -0,0 +1,49 @@ +/* + * Copyright (c) 2006-2008 Amit Singh/Google Inc. + * Copyright (c) 2011-2013 Benjamin Fleischer + */ + +#ifndef _DARWIN_COMPAT_ +#define _DARWIN_COMPAT_ + +#include <pthread.h> + +/* Semaphores */ + +typedef struct darwin_sem { + int id; + union { + struct + { + unsigned int count; + pthread_mutex_t count_lock; + pthread_cond_t count_cond; + } local; + } __data; +} darwin_sem_t; + +#define DARWIN_SEM_VALUE_MAX ((int32_t)32767) + +int darwin_sem_init(darwin_sem_t *sem, int pshared, unsigned int value); +int darwin_sem_destroy(darwin_sem_t *sem); +int darwin_sem_getvalue(darwin_sem_t *sem, unsigned int *value); +int darwin_sem_post(darwin_sem_t *sem); +int darwin_sem_timedwait(darwin_sem_t *sem, const struct timespec *abs_timeout); +int darwin_sem_trywait(darwin_sem_t *sem); +int darwin_sem_wait(darwin_sem_t *sem); + +/* Caller must not include <semaphore.h> */ + +typedef darwin_sem_t sem_t; + +#define sem_init(s, p, v) darwin_sem_init(s, p, v) +#define sem_destroy(s) darwin_sem_destroy(s) +#define sem_getvalue(s, v) darwin_sem_getvalue(s, v) +#define sem_post(s) darwin_sem_post(s) +#define sem_timedwait(s, t) darwin_sem_timedwait(s, t) +#define sem_trywait(s) darwin_sem_trywait(s) +#define sem_wait(s) darwin_sem_wait(s) + +#define SEM_VALUE_MAX DARWIN_SEM_VALUE_MAX + +#endif /* _DARWIN_COMPAT_ */ |