osx man page for pthread_cleanup_push

PTHREAD_CLEANUP_PUSH(3) 				   BSD Library Functions Manual 				   PTHREAD_CLEANUP_PUSH(3)

NAME
     pthread_cleanup_push -- add a cleanup function for thread exit

SYNOPSIS
     #include <pthread.h>

     void
     pthread_cleanup_push(void (*routine)(void *), void *arg);

DESCRIPTION
     The pthread_cleanup_push() function adds routine to the top of the stack of cleanup handlers that get called when the current thread exits.

     When routine is called, it is passed arg as its only argument.  pthread_cleanup_push() must be paired with a corresponding
     pthread_cleanup_pop(3) in the same lexical scope.

RETURN VALUES
     pthread_cleanup_push() does not return any value.

ERRORS
     None

SEE ALSO
     pthread_cleanup_pop(3), pthread_exit(3)

STANDARDS
     pthread_cleanup_push() conforms to ISO/IEC 9945-1:1996 (``POSIX.1'').

BSD
								   July 30, 1998							       BSD