*** UNIX MANUAL PAGE BROWSER ***

pthread_cleanup_push(3) Library Functions Manual pthread_cleanup_push(3) NAME pthread_cleanup_push - (Macro) Establishes a cleanup handler routine to be executed when the thread exits or is canceled. LIBRARY DECthreads POSIX 1003.1c Library (libpthread.so) SYNOPSIS #include <pthread.h> int pthread_cleanup_push( void (*routine)(void *), void *arg); STANDARDS Interfaces documented on this reference page conform to industry stan- dards as follows: IEEE Std 1003.1c-1995, POSIX System Application Program Interface PARAMETERS Routine executed as the cleanup handler. Argument passed to the cleanup routine. DESCRIPTION This routine pushes the specified routine onto the calling thread's cleanup handler stack. The cleanup handler routine is popped from the stack and executed with the arg argument when any of the following ac- tions occur: The thread calls pthread_cleanup_pop(3) and specifies a nonzero value for the execute argument. The thread calls pthread_exit(3). The thread is canceled. An exception is raised and is caught when DECthreads unwinds the calling thread's stack to the lexical scope of the pthread_cleanup_push(3) and pthread_cleanup_pop(3) pair. This routine and pthread_cleanup_pop(3) are implemented as macros and must appear as statements and in pairs within the same lexical scope. You can think of the pthread_cleanup_push(3) macro as expanding to a string whose first character is a left brace ({) and pthread_cleanup_pop(3) as expanding to a string containing the corre- sponding right brace (}). RETURN VALUES None RELATED INFORMATION Functions: pthread_cancel(3), pthread_cleanup_pop(3), pthread_cre- ate(3), pthread_exit(3), thread_testcancel(3) Manuals: Guide to DECthreads and Programmer's Guide delim off pthread_cleanup_push(3)