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[/] [openrisc/] [trunk/] [gnu-stable/] [newlib-1.18.0/] [newlib/] [libc/] [stdlib/] [exit.c] - Blame information for rev 207

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1 207 jeremybenn
/*
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 * Copyright (c) 1990 Regents of the University of California.
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 * All rights reserved.
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 *
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 * %sccs.include.redist.c%
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 */
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/*
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FUNCTION
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<<exit>>---end program execution
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INDEX
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        exit
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ANSI_SYNOPSIS
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        #include <stdlib.h>
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        void exit(int <[code]>);
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TRAD_SYNOPSIS
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        #include <stdlib.h>
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        void exit(<[code]>)
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        int <[code]>;
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DESCRIPTION
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Use <<exit>> to return control from a program to the host operating
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environment.  Use the argument <[code]> to pass an exit status to the
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operating environment: two particular values, <<EXIT_SUCCESS>> and
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<<EXIT_FAILURE>>, are defined in `<<stdlib.h>>' to indicate success or
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failure in a portable fashion.
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<<exit>> does two kinds of cleanup before ending execution of your
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program.  First, it calls all application-defined cleanup functions
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you have enrolled with <<atexit>>.  Second, files and streams are
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cleaned up: any pending output is delivered to the host system, each
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open file or stream is closed, and files created by <<tmpfile>> are
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deleted.
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RETURNS
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<<exit>> does not return to its caller.
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PORTABILITY
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ANSI C requires <<exit>>, and specifies that <<EXIT_SUCCESS>> and
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<<EXIT_FAILURE>> must be defined.
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Supporting OS subroutines required: <<_exit>>.
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*/
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#include <stdlib.h>
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#include <unistd.h>     /* for _exit() declaration */
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#include <reent.h>
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#include "atexit.h"
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/*
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 * Exit, flushing stdio buffers if necessary.
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 */
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void
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_DEFUN (exit, (code),
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        int code)
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{
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  __call_exitprocs (code, NULL);
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  if (_GLOBAL_REENT->__cleanup)
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    (*_GLOBAL_REENT->__cleanup) (_GLOBAL_REENT);
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  _exit (code);
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}

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