PTHREAD_COND_SIGNAL(3) | Library Functions Manual | PTHREAD_COND_SIGNAL(3) |
pthread_cond_signal
—
unblock a thread waiting for a condition
variable
#include
<pthread.h>
int
pthread_cond_signal
(pthread_cond_t
*cond);
The
pthread_cond_signal
()
function unblocks at least one thread waiting for the condition variable
cond.
If successful, the pthread_cond_signal
()
function will return zero, otherwise an error number will be returned to
indicate the error.
pthread_cond_signal
() will fail if:
EINVAL
]pthread_cond_broadcast(3), pthread_cond_destroy(3), pthread_cond_init(3), pthread_cond_timedwait(3), pthread_cond_wait(3)
pthread_cond_signal
() conforms to
ISO/IEC 9945-1:1996 (“POSIX.1”).
January 29, 2019 | OpenBSD-current |