pthread_mutexattr_getkind_np(3) deprecated mutex creation attributes

Other Alias

pthread_mutexattr_setkind_np

SYNOPSIS

#include <pthread.h>

int pthread_mutexattr_setkind_np(pthread_mutexattr_t *attr, int kind);

int pthread_mutexattr_getkind_np(const pthread_mutexattr_t *attr, int *kind);

DESCRIPTION

These functions are deprecated, use pthread_mutexattr_settype(3) and pthread_mutexattr_gettype(3) instead.

RETURN VALUE

pthread_mutexattr_getkind_np always returns 0.

pthread_mutexattr_setkind_np returns 0 on success and a non-zero error code on error.

ERRORS

On error, pthread_mutexattr_setkind_np returns the following error code:

EINVAL
kind is neither PTHREAD_MUTEX_FAST_NP nor PTHREAD_MUTEX_RECURSIVE_NP nor PTHREAD_MUTEX_ERRORCHECK_NP

AUTHOR

Xavier Leroy <[email protected]>