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PTHREAD_COND_SIGNAL(3) Library Functions Manual PTHREAD_COND_SIGNAL(3)

pthread_cond_signalunblock a thread waiting for a condition variable

library “libpthread”

#include <pthread.h>

int
pthread_cond_signal(pthread_cond_t *cond);

The () function unblocks 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.

The pthread_cond_signal() function will fail if:

[]
The value specified by cond is invalid.

pthread_cond_broadcast(3), pthread_cond_destroy(3), pthread_cond_init(3), pthread_cond_timedwait(3), pthread_cond_wait(3)

The pthread_cond_signal() function conforms to ISO/IEC 9945-1:1996 (“POSIX.1”).

July 10, 2009 DragonFly-5.6.1