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//======================================================================= // // invokemain.cxx // // Support for startup of ISO C environment // //======================================================================== //####ECOSGPLCOPYRIGHTBEGIN#### // ------------------------------------------- // This file is part of eCos, the Embedded Configurable Operating System. // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, 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., // 59 Temple Place, Suite 330, Boston, MA 02111-1307 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 the GNU General Public // License. However the source code for this file must still be made available // in accordance with section (3) of the GNU General Public License. // // This exception does not invalidate any other reasons why a work based on // this file might be covered by the GNU General Public License. // // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc. // at http://sources.redhat.com/ecos/ecos-license/ // ------------------------------------------- //####ECOSGPLCOPYRIGHTEND#### //======================================================================== //#####DESCRIPTIONBEGIN#### // // Author(s): jlarmour // Contributors: // Date: 2000-04-30 // Purpose: Provide entry point for thread which then calls main() // Description: cyg_libc_invoke_main() is used as the entry point for // the thread object that is created to call the // user-supplied main() function. It sets up the arguments // (if any) and invokes exit() if main() returns // Usage: // //####DESCRIPTIONEND#### // //======================================================================== // CONFIGURATION #include <pkgconf/libc_startup.h> // Configuration header #include <pkgconf/isoinfra.h> // 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 <stdlib.h> // exit() // EXTERNS externC cyg_bool cyg_hal_stop_constructors; // FUNCTION PROTOTYPES externC int main( int argc, char *argv[] ); externC void cyg_hal_invoke_constructors(void); externC void pthread_exit( void *value_ptr ); // STATICS #ifdef CYGSEM_LIBC_INVOKE_DEFAULT_STATIC_CONSTRUCTORS class cyg_libc_dummy_constructor_class { public: cyg_libc_dummy_constructor_class(void) { ++cyg_hal_stop_constructors; } }; static cyg_libc_dummy_constructor_class cyg_libc_dummy_constructor_obj CYGBLD_ATTRIB_INIT_PRI(CYG_INIT_PREDEFAULT); #endif // FUNCTIONS externC void cyg_libc_invoke_main( CYG_ADDRWORD ) { CYG_REPORT_FUNCNAME( "cyg_libc_invoke_main" ); CYG_REPORT_FUNCARG1( "argument is %s", "ignored" ); #ifdef CYGSEM_LIBC_INVOKE_DEFAULT_STATIC_CONSTRUCTORS // finish invoking constructors that weren't called by default cyg_hal_invoke_constructors(); #endif // argv[argc] must be NULL according to the ISO C standard 5.1.2.2.1 char *temp_argv[] = CYGDAT_LIBC_ARGUMENTS ; int rc; rc = main( (sizeof(temp_argv)/sizeof(char *)) - 1, &temp_argv[0] ); CYG_TRACE1( true, "main() has returned with code %d. Calling exit()", rc ); #ifdef CYGINT_ISO_PTHREAD_IMPL // It is up to pthread_exit() to call exit() if needed pthread_exit( (void *)rc ); CYG_FAIL( "pthread_exit() returned!!!" ); #else exit(rc); CYG_FAIL( "exit() returned!!!" ); #endif CYG_REPORT_RETURN(); } // cyg_libc_invoke_main() // EOF invokemain.cxx