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PTHREAD_BARRIER_WAIT(3) Library Functions Manual PTHREAD_BARRIER_WAIT(3)

NAME

pthread_barrier_waitsynchronize at a barrier

SYNOPSIS

#include <pthread.h>
int
pthread_barrier_wait(pthread_barrier_t *barrier);

DESCRIPTION

The pthread_barrier_wait() function blocks the calling thread until the required number of threads call pthread_barrier_wait(), as specified at the object's initialization.

RETURN VALUES

If successful, pthread_barrier_wait() returns PTHREAD_BARRIER_SERIAL_THREAD for a single arbitrary thread and zero for each of the other threads; otherwise an error number is returned to indicate the error.

ERRORS

pthread_barrier_wait() will fail if:
 
 
[EINVAL]
The value specified by barrier is invalid.

SEE ALSO

pthread_barrier_init(3), pthread_barrierattr_getpshared(3), pthread_barrierattr_init(3)

STANDARDS

pthread_barrier_wait() conforms to IEEE Std 1003.1-2008 (“POSIX.1”).
September 22, 2015 OpenBSD-current