pthread_mutex_consistent - make a robust mutex consistent

       This  function makes a robust mutex consistent if it is in an inconsistent state.  A mutex can be left in
       an inconsistent state if its owner terminates while holding the mutex, in which case the next  owner  who
       acquires  the  mutex  will  succeed  and  be  notified  by  a  return  value of EOWNERDEAD from a call to
       pthread_mutex_lock().

EINVAL The mutex is either not robust or is not in an inconsistent state.

       See pthread_mutexattr_setrobust(3).

       glibc 2.12.  POSIX.1-2008.

       Before  the  addition  of  pthread_mutex_consistent()  to  POSIX,  glibc defined the following equivalent
       nonstandard function if _GNU_SOURCE was defined:

       [[deprecated]]intpthread_mutex_consistent_np(constpthread_mutex_t*mutex);

       This GNU-specific API, which first appeared in glibc 2.4, is nowadays obsolete and should not be used  in
       new programs; since glibc 2.34 it has been marked as deprecated.

       POSIX threads library (libpthread, -lpthread)

       pthread_mutex_consistent - make a robust mutex consistent

pthread_mutex_consistent()  simply informs the implementation that the state (shared data) guarded by the
       mutex has been restored to a consistent state and that normal operations can now be  performed  with  the
       mutex.   It  is  the  application's  responsibility to ensure that the shared data has been restored to a
       consistent state before calling pthread_mutex_consistent().

       On success, pthread_mutex_consistent() returns 0.  Otherwise, it  returns  a  positive  error  number  to
       indicate the error.

pthread_mutex_lock(3), pthread_mutexattr_getrobust(3), pthread_mutexattr_init(3),
       pthread_mutexattr_setrobust(3), pthreads(7)

Linux man-pages 6.9.1                              2024-05-02                        pthread_mutex_consistent(3)

       POSIX.1-2008.

#include<pthread.h>intpthread_mutex_consistent(pthread_mutex_t*mutex);

   Feature Test Macro Requirements for glibc (see feature_test_macros(7)):

       pthread_mutex_consistent():
           _POSIX_C_SOURCE >= 200809L