obtain its own thread identifier using pthread_self (3). Thread IDs are guaranteedpthread_rwlockattr_destroy () pthread_rwlockattr_init () pthread_self () pthread_setcancelstate () pthread_setcanceltype () pthread_setspecific () pthreadkill (3) Added in POSIX.1-2008 TC1 pthread_self (3) Added in POSIX.1-2008 TC1 pthread_sigmask