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exit.c (1574) exit.c (35125)
1/*-
2 * Copyright (c) 1990, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

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37
38#include <stdlib.h>
39#include <unistd.h>
40#include "atexit.h"
41
42void (*__cleanup)();
43
44/*
1/*-
2 * Copyright (c) 1990, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

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37
38#include <stdlib.h>
39#include <unistd.h>
40#include "atexit.h"
41
42void (*__cleanup)();
43
44/*
45 * This variable is zero until a process has created a thread.
46 * It is used to avoid calling locking functions in libc when they
47 * are not required. By default, libc is intended to be(come)
48 * thread-safe, but without a (significant) penalty to non-threaded
49 * processes.
50 */
51int __isthreaded = 0;
52
53/*
45 * Exit, flushing stdio buffers if necessary.
46 */
47void
48exit(status)
49 int status;
50{
51 register struct atexit *p;
52 register int n;
53
54 for (p = __atexit; p; p = p->next)
55 for (n = p->ind; --n >= 0;)
56 (*p->fns[n])();
57 if (__cleanup)
58 (*__cleanup)();
59 _exit(status);
60}
54 * Exit, flushing stdio buffers if necessary.
55 */
56void
57exit(status)
58 int status;
59{
60 register struct atexit *p;
61 register int n;
62
63 for (p = __atexit; p; p = p->next)
64 for (n = p->ind; --n >= 0;)
65 (*p->fns[n])();
66 if (__cleanup)
67 (*__cleanup)();
68 _exit(status);
69}