Trailing-Edge
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PDP-10 Archives
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SRI_NIC_PERM_FS_1_19910112
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c/its/lib/onexit.c
There are 6 other files named onexit.c in the archive. Click here to see a list.
/*
* ONEXIT - declare routines to be called upon exit()
*
* Copyright (C) 1987 by Ian Macky, SRI International
*/
#include "stdlib.h"
int _n_exit_func = 0; /* # of registered functions */
void (*_exit_func[MAX_EXIT_FUNCTIONS])(); /* pointers to those functs */
onexit_t onexit(func)
void (*func)();
{
int i;
if (_n_exit_func >= MAX_EXIT_FUNCTIONS) /* do we have room for more? */
return 0; /* no, take failure return */
for (i = 0; i < _n_exit_func; i++) /* check to see if function */
if (func == _exit_func[i]) /* is already registered. */
return -1; /* it is, so return success */
_exit_func[_n_exit_func++] = func; /* save this new one... */
return -1; /* and return success */
}