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[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [packages/] [kernel/] [v2_0/] [tests/] [mutex1.cxx] - Rev 616
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//========================================================================== // // mutex1.cxx // // Mutex test 1 // //========================================================================== //####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): dsm // Contributors: dsm // Date: 1998-02-24 // Description: Tests basic mutex functionality. // Omissions: Timed wait. //####DESCRIPTIONEND#### #include <pkgconf/kernel.h> #include <cyg/kernel/sched.hxx> // Cyg_Scheduler::start() #include <cyg/kernel/thread.hxx> // Cyg_Thread #include <cyg/kernel/mutex.hxx> #include <cyg/infra/testcase.h> #include <cyg/kernel/sched.inl> #include <cyg/kernel/thread.inl> #define NTHREADS 3 #include "testaux.hxx" static Cyg_Mutex m0, m1; static Cyg_Condition_Variable cvar0( m0 ), cvar1( m0 ), cvar2( m1 ); static cyg_ucount8 m0d=0, m1d=0; static void finish( cyg_ucount8 t ) { m1.lock(); { m1d |= 1<<t; if( 0x7 == m1d ) CYG_TEST_PASS_FINISH("Mutex 1 OK"); cvar2.wait(); } CYG_TEST_FAIL_FINISH("Not reached"); } static void entry0( CYG_ADDRWORD data ) { m0.lock(); { CHECK( ! m0.trylock() ); m1.lock(); { CHECK( ! m0.trylock() ); } m1.unlock(); } m0.unlock(); m0.lock(); { while ( 0 == m0d ) cvar0.wait(); CHECK( 1 == m0d++ ); cvar0.signal(); while ( 4 != m0d ) cvar1.wait(); CHECK( 4 == m0d ); } m0.unlock(); finish( data ); } static void entry1( CYG_ADDRWORD data ) { m0.lock(); { CHECK( m1.trylock() ); { } m1.unlock(); } m0.unlock(); m0.lock(); { CHECK( 0 == m0d++ ); cvar0.broadcast(); } m0.unlock(); m0.lock(); { while( 1 == m0d ) cvar0.wait(); CHECK( 2 == m0d++ ); cvar0.signal(); while (3 == m0d ) cvar1.wait(); } m0.unlock(); finish( data ); // At most 1 finish inside m0 lock } static void entry2( CYG_ADDRWORD data ) { m0.lock(); { while( 3 != m0d ) { cvar0.wait(); } CHECK( 3 == m0d++ ); cvar1.broadcast(); } m0.unlock(); finish( data ); } void mutex1_main( void ) { CYG_TEST_INIT(); new_thread(entry0, 0); new_thread(entry1, 1); new_thread(entry2, 2); Cyg_Scheduler::start(); CYG_TEST_FAIL_FINISH("Not reached"); } externC void cyg_start( void ) { #ifdef CYGSEM_HAL_STOP_CONSTRUCTORS_ON_FLAG cyg_hal_invoke_constructors(); #endif mutex1_main(); } // EOF mutex1.cxx
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