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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