pthread_mutexattr_setkind_np(3)                       Library Functions Manual

NAME
       pthread_mutexattr_setkind_np, pthread_mutexattr_getkind_np - deprecated
       mutex creation attributes

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.

SEE ALSO
       pthread_mutexattr_settype(3), pthread_mutexattr_gettype(3).

Linux man-pages 6.9.1             2024-05-19   pthread_mutexattr_setkind_np(3)