NAME

pthread_barrier_wait — synchronize at a barrier

SYNOPSIS

POSIX Threads Library (libpthread, -lpthread)
#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”).