43 lines
667 B
C
43 lines
667 B
C
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/*
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* (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
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* See the copyright notice in the ACK home directory, in the file "Copyright".
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*/
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/* $Header$ */
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#include <stdlib.h>
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#define NEXITS 32
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static void (*functab[NEXITS])(void);
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static int funccnt = 0;
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extern void _cleanup(void);
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extern void _exit(int);
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static void
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_calls(void)
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{
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register int i = funccnt;
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/* "Called in reversed order of their registration" */
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while (--i >= 0)
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(*functab[i])();
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}
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void
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exit(int status)
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{
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_calls();
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_cleanup() ;
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_exit(status) ;
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}
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int
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atexit(void (*func)(void))
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{
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if (funccnt >= NEXITS)
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return 1;
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functab[funccnt++] = func;
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return 0;
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}
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