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author | Jason Evans <jasone@FreeBSD.org> | 2000-01-20 07:54:49 +0000 |
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committer | Jason Evans <jasone@FreeBSD.org> | 2000-01-20 07:54:49 +0000 |
commit | 120bfc9ded5e1b2c07a55564b032f4255fab5804 (patch) | |
tree | 2332592fe576b2e3261ce01e4871b4abc0d290fe /lib/libpthread/thread/thr_private.h | |
parent | 1aebda0582de2498e8179f1aa6d477d1904e504e (diff) | |
download | src-120bfc9ded5e1b2c07a55564b032f4255fab5804.tar.gz src-120bfc9ded5e1b2c07a55564b032f4255fab5804.zip |
Add sem_*() functions. Named semaphores and process-shared semaphores
are not supported by this implementation, and the error return values
from sem_init(), sem_open(), sem_close(), and sem_unlink() reflect this.
Approved by: jkh
Notes
Notes:
svn path=/head/; revision=56320
Diffstat (limited to 'lib/libpthread/thread/thr_private.h')
-rw-r--r-- | lib/libpthread/thread/thr_private.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/lib/libpthread/thread/thr_private.h b/lib/libpthread/thread/thr_private.h index 560ea44d6145..00ca3b091ec1 100644 --- a/lib/libpthread/thread/thr_private.h +++ b/lib/libpthread/thread/thr_private.h @@ -309,6 +309,18 @@ struct pthread_cond_attr { 0, _SPINLOCK_INITIALIZER } /* + * Semaphore definitions. + */ +struct sem { +#define SEM_MAGIC ((u_int32_t) 0x09fa4012) + u_int32_t magic; + pthread_mutex_t lock; + pthread_cond_t gtzero; + u_int32_t count; + u_int32_t nwaiters; +}; + +/* * Cleanup definitions. */ struct pthread_cleanup { |