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[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [packages/] [language/] [c/] [libc/] [startup/] [v2_0/] [src/] [invokemain.cxx] - Blame information for rev 390

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//=======================================================================
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//
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//      invokemain.cxx
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//
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//      Support for startup of ISO C environment
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//
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//========================================================================
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//####ECOSGPLCOPYRIGHTBEGIN####
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// -------------------------------------------
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// This file is part of eCos, the Embedded Configurable Operating System.
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// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
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//
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// eCos is free software; you can redistribute it and/or modify it under
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// the terms of the GNU General Public License as published by the Free
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// Software Foundation; either version 2 or (at your option) any later version.
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//
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// eCos is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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// for more details.
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//
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// You should have received a copy of the GNU General Public License along
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// with eCos; if not, write to the Free Software Foundation, Inc.,
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// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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//
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// As a special exception, if other files instantiate templates or use macros
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// or inline functions from this file, or you compile this file and link it
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// with other works to produce a work based on this file, this file does not
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// by itself cause the resulting work to be covered by the GNU General Public
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// License. However the source code for this file must still be made available
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// in accordance with section (3) of the GNU General Public License.
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//
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// This exception does not invalidate any other reasons why a work based on
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// this file might be covered by the GNU General Public License.
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//
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// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
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// at http://sources.redhat.com/ecos/ecos-license/
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// -------------------------------------------
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//####ECOSGPLCOPYRIGHTEND####
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//========================================================================
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//#####DESCRIPTIONBEGIN####
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//
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// Author(s):     jlarmour
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// Contributors:  
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// Date:          2000-04-30
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// Purpose:       Provide entry point for thread which then calls main()
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// Description:   cyg_libc_invoke_main() is used as the entry point for
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//                the thread object that is created to call the
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//                user-supplied main() function. It sets up the arguments
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//                (if any) and invokes exit() if main() returns
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// Usage:       
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//
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//####DESCRIPTIONEND####
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//
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//========================================================================
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// CONFIGURATION
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#include <pkgconf/libc_startup.h>  // Configuration header
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#include <pkgconf/isoinfra.h>
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// INCLUDES
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#include <cyg/infra/cyg_type.h>    // Common type definitions and support
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#include <cyg/infra/cyg_trac.h>    // Common tracing support
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#include <cyg/infra/cyg_ass.h>     // Common assertion support
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#include <stdlib.h>                // exit()
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// EXTERNS
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externC cyg_bool cyg_hal_stop_constructors;
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// FUNCTION PROTOTYPES
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externC int
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main( int argc, char *argv[] );
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externC void
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cyg_hal_invoke_constructors(void);
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externC void
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pthread_exit( void *value_ptr );
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// STATICS
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#ifdef CYGSEM_LIBC_INVOKE_DEFAULT_STATIC_CONSTRUCTORS
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class cyg_libc_dummy_constructor_class {
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public:
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    cyg_libc_dummy_constructor_class(void) { ++cyg_hal_stop_constructors; }
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};
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static cyg_libc_dummy_constructor_class cyg_libc_dummy_constructor_obj
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                                  CYGBLD_ATTRIB_INIT_PRI(CYG_INIT_PREDEFAULT);
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#endif
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// FUNCTIONS
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externC void
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cyg_libc_invoke_main( CYG_ADDRWORD )
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{
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    CYG_REPORT_FUNCNAME( "cyg_libc_invoke_main" );
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    CYG_REPORT_FUNCARG1( "argument is %s", "ignored" );
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#ifdef CYGSEM_LIBC_INVOKE_DEFAULT_STATIC_CONSTRUCTORS
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    // finish invoking constructors that weren't called by default
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    cyg_hal_invoke_constructors();
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#endif
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    // argv[argc] must be NULL according to the ISO C standard 5.1.2.2.1
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    char *temp_argv[] = CYGDAT_LIBC_ARGUMENTS ;
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    int rc;
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    rc = main( (sizeof(temp_argv)/sizeof(char *)) - 1, &temp_argv[0] );
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    CYG_TRACE1( true, "main() has returned with code %d. Calling exit()",
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                rc );
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#ifdef CYGINT_ISO_PTHREAD_IMPL
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    // It is up to pthread_exit() to call exit() if needed
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    pthread_exit( (void *)rc );
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    CYG_FAIL( "pthread_exit() returned!!!" );
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#else
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    exit(rc);
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    CYG_FAIL( "exit() returned!!!" );
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#endif
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    CYG_REPORT_RETURN();
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} // cyg_libc_invoke_main()
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// EOF invokemain.cxx

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