https://docs.oracle.com/cd/E88353_01/html/E37843/pthread-setspecific-3c.html
pthread_getspecific , pthread_setspecific - manage thread-specific data The pthread_setspecific() function associates a thread-specific value with a key...
man pagespthreadsectionbasiclibrary
https://docs.oracle.com/cd/E86824_01/html/E54766/pthread-atfork-3c.html
pthread_atfork - register fork handlers The pthread_atfork() function declares fork handlers to be called prior to and following fork (2) , within the thread...
man pagespthreadsectionbasiclibrary
https://docs.oracle.com/cd/E88353_01/html/E37843/pthread-attr-getguardsize-3c.html
pthread_attr_getguardsize , pthread_attr_setguardsize - get or set thread guardsize attribute
man pagespthreadattrsectionbasic
https://docs.oracle.com/cd/E88353_01/html/E37843/pthread-mutexattr-init-3c.html
pthread_mutexattr_init , pthread_mutexattr_destroy - initialize or destroy mutex attributes object
man pagespthreadinitsectionbasic