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//=========================================================================

//

//      exit.cxx

//

//      Implementation of the exit() function

//

//=========================================================================

// ####ECOSGPLCOPYRIGHTBEGIN####                                            

// -------------------------------------------                              

// This file is part of eCos, the Embedded Configurable Operating System.   

// Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.

//

// eCos is free software; you can redistribute it and/or modify it under    

// the terms of the GNU General Public License as published by the Free     

// Software Foundation; either version 2 or (at your option) any later      

// version.                                                                 

//

// eCos is distributed in the hope that it will be useful, but WITHOUT      

// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or    

// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License    

// for more details.                                                        

//

// You should have received a copy of the GNU General Public License        

// along with eCos; if not, write to the Free Software Foundation, Inc.,    

// 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.            

//

// As a special exception, if other files instantiate templates or use      

// macros or inline functions from this file, or you compile this file      

// and link it with other works to produce a work based on this file,       

// this file does not by itself cause the resulting work to be covered by   

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// must still be made available in accordance with section (3) of the GNU   

// General Public License v2.                                               

//

// This exception does not invalidate any other reasons why a work based    

// on this file might be covered by the GNU General Public License.         

// -------------------------------------------                              

// ####ECOSGPLCOPYRIGHTEND####                                              

//=========================================================================

//#####DESCRIPTIONBEGIN####

//

// Author(s):    jlarmour

// Contributors: 

// Date:         2000-04-30

// Purpose:     

// Description: 

// Usage:       

//

//####DESCRIPTIONEND####

//

//=========================================================================

// CONFIGURATION

#include <pkgconf/libc_startup.h>   // Configuration header

// INCLUDES

#include <cyg/infra/cyg_type.h>    // Common type definitions and support

#include <cyg/infra/cyg_trac.h>    // Common tracing support

#include <cyg/infra/cyg_ass.h>     // Common assertion support

#include <stdio.h>                 // fflush()

#include <errno.h>                 // errno

#include <stdlib.h>                // Header for all stdlib functions

                                   // (like this one)

// EXTERNAL PROTOTYPES

externC void

cyg_libc_invoke_atexit_handlers( void );

// FUNCTIONS

externC void

exit( int status )

{

    CYG_REPORT_FUNCTION(); // shouldn't return, but CYG_FAIL will catch it

    CYG_REPORT_FUNCARG1DV( status );

    // Strictly the only thing exit() does is invoke the atexit handlers

    // and flush stdio buffers. Anything else is for _exit() 

    // within the implementation)

#ifdef CYGFUN_LIBC_ATEXIT

    // we start with the atexit handlers

    cyg_libc_invoke_atexit_handlers();

#endif

#ifdef CYGSEM_LIBC_EXIT_CALLS_FFLUSH

    int rc CYGBLD_ATTRIB_UNUSED;

    CYG_TRACE0( true, "Calling fflush( NULL )" );

    rc = fflush( NULL );

    CYG_TRACE2( rc != 0, "fflush() returned non-zero. It returned %d and "

                "errno indicates the error: %s", rc, strerror(errno) );

#endif

    _exit( status );

    CYG_FAIL( "__libc_exit() returning!!!" );

    CYG_REPORT_RETURN();

} // __libc_exit()

// EOF exit.cxx