1 .\" $NetBSD: pthread_cleanup_push.3,v 1.4 2003/07/04 08:42:20 wiz Exp $
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25 .\" Copyright (c) 1997 Brian Cully <shmit@kublai.com>
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52 .\" $FreeBSD: src/lib/libpthread/man/pthread_cleanup_push.3,v 1.11 2002/09/16 19:29:28 mini Exp $
58 .Nm pthread_cleanup_push ,
59 .Nm pthread_cleanup_pop
60 .Nd add and remove cleanup functions for thread exit
66 .Fn pthread_cleanup_push "void \*[lp]*cleanup_routine\*[rp]\*[lp]void *\*[rp]" "void *arg"
68 .Fn pthread_cleanup_pop "int execute"
71 .Fn pthread_cleanup_push
74 to the top of the stack of cleanup handlers that
75 get called when the current thread exits.
78 .Fn pthread_cleanup_pop
79 function pops the top cleanup routine off of the current threads cleanup
80 routine stack, and, if
82 is non-zero, it will execute the function.
86 is called, it is passed
90 These functions may be implemented as macros which contain scope delimiters;
91 therefore, there must be a matching
92 .Fn pthread_cleanup_pop
94 .Fn pthread_cleanup_push
95 at the same level of lexical scoping.
101 is undefined after a call to
102 .Fn pthread_cleanup_push
103 but before the matching call to
104 .Fn pthread_cleanup_pop
105 after the jump buffer was filled.
108 .Fn pthread_cleanup_push
110 .Fn pthread_cleanup_pop
117 .Fn pthread_cleanup_push
119 .Fn pthread_cleanup_pop