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vmexit.c

/***********************************************************************
*                                                                      *
*               This software is part of the ast package               *
*           Copyright (c) 1985-2007 AT&T Knowledge Ventures            *
*                      and is licensed under the                       *
*                  Common Public License, Version 1.0                  *
*                      by AT&T Knowledge Ventures                      *
*                                                                      *
*                A copy of the License is available at                 *
*            http://www.opensource.org/licenses/cpl1.0.txt             *
*         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
*                                                                      *
*              Information and Software Systems Research               *
*                            AT&T Research                             *
*                           Florham Park NJ                            *
*                                                                      *
*                 Glenn Fowler <gsf@research.att.com>                  *
*                  David Korn <dgk@research.att.com>                   *
*                   Phong Vo <kpv@research.att.com>                    *
*                                                                      *
***********************************************************************/
#if defined(_UWIN)

void _STUB_vmexit(){}

#else

#include    "vmhdr.h"

/*
**    Any required functions for process exiting.
**    Written by Kiem-Phong Vo, kpv@research.att.com (05/25/93).
*/
#if _PACKAGE_ast || _lib_atexit

void _STUB_vmexit(){}

#else

#if _lib_onexit

#if __STD_C
int atexit(void (*exitf)(void))
#else
int atexit(exitf)
void  (*exitf)();
#endif
{
      return onexit(exitf);
}

#else /*!_lib_onexit*/

00054 typedef struct _exit_s
{     struct _exit_s*   next;
      void(*            exitf)_ARG_((void));
} Exit_t;
static Exit_t*    Exit;

#if __STD_C
atexit(void (*exitf)(void))
#else
atexit(exitf)
void  (*exitf)();
#endif
{     Exit_t*     e;

      if(!(e = (Exit_t*)malloc(sizeof(Exit_t))) )
            return -1;
      e->exitf = exitf;
      e->next = Exit;
      Exit = e;
      return 0;
}

#if __STD_C
void exit(int type)
#else
void exit(type)
int   type;
#endif
{
      Exit_t*     e;

      for(e = Exit; e; e = e->next)
            (*e->exitf)();

#if _exit_cleanup
      _cleanup();
#endif

      _exit(type);
      return type;
}

#endif      /* _lib_onexit || _lib_on_exit */

#endif /*!PACKAGE_ast*/

#endif

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