X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=functions%2Fstdlib%2Fexit.c;h=8862f4120c899912a696cfda3b40a5b183a187c8;hb=d02f38605b53cdff5460cc6b9e1b2a80c3a2ba4c;hp=a0525e3793c95aacd9a3a143ed6470d26589324d;hpb=34893ecc2200dc7017c36a54cb6c5f4c2378b5ec;p=pdclib diff --git a/functions/stdlib/exit.c b/functions/stdlib/exit.c index a0525e3..8862f41 100644 --- a/functions/stdlib/exit.c +++ b/functions/stdlib/exit.c @@ -1,8 +1,47 @@ -// ---------------------------------------------------------------------------- -// $Id$ -// ---------------------------------------------------------------------------- -// Public Domain C Library - http://pdclib.sourceforge.net -// This code is Public Domain. Use, modify, and redistribute at will. -// ---------------------------------------------------------------------------- - -void exit( int status ) { /* TODO */ }; +/* $Id$ */ + +/* Release $Name$ */ + +/* exit( int ) + + This file is part of the Public Domain C Library (PDCLib). + Permission is granted to use, modify, and / or redistribute at will. +*/ + +#include + +#ifndef REGTEST + +/* TODO - "except that a function is called after any previously registered + functions that had already been called at the time it was registered. +*/ + +/* TODO: 32 is guaranteed. This should be dynamic but ATM gives problems + with my malloc. +*/ +#define NUMBER_OF_SLOTS 40 + +void (*_PDCLIB_regstack[ NUMBER_OF_SLOTS ])( void ); +size_t _PDCLIB_regptr = NUMBER_OF_SLOTS; + +void exit( int status ) +{ + while ( _PDCLIB_regptr < NUMBER_OF_SLOTS ) + { + _PDCLIB_regstack[ _PDCLIB_regptr++ ](); + } + _Exit( status ); +} + +#endif + +#ifdef TEST +#include <_PDCLIB_test.h> + +int main( void ) +{ + /* Unwinding of regstack tested in atexit(). */ + return TEST_RESULTS; +} + +#endif