NAME

pthread_barrierattr_init, pthread_barrierattr_destroy, — barrier attribute operations

LIBRARY

POSIX Threads Library (libpthread, -lpthread)

SYNOPSIS

#include <pthread.h>

int
pthread_barrierattr_init(pthread_barrierattr_t *attr);

int
pthread_barrierattr_destroy(pthread_barrierattr_t *attr);

DESCRIPTION

Barrier attributes are used to specify parameters to be used with pthread_barrier_init(3). One attribute object can be used in multiple calls to pthread_barrier_init(), with or without modifications between calls.

The pthread_barrierattr_init() function initializes attr with the default barrier attributes.

The pthread_barrierattr_destroy() function destroys attr.

RETURN VALUES

If successful, these functions return 0. Otherwise, an error number is returned to indicate the error.

ERRORS

No error codes are defined for pthread_barrierattr_init().

The pthread_barrierattr_destroy() function may fail if:

[EINVAL]

The value specified by attr is invalid.

SEE ALSO

pthread_barrier_init(3)

STANDARDS

Both functions conform to IEEE Std 1003.1-2001 (“POSIX.1”).