//========================================================================== // // cnt_sem1.cxx // // Counting semaphore 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 counting semaphore functionality. //####DESCRIPTIONEND#### #include #include // Cyg_Thread #include #include // Cyg_Scheduler::start() #include #include #include #define NTHREADS 2 #include "testaux.hxx" static Cyg_Counting_Semaphore s0(0), s1(2), s2; static volatile cyg_ucount8 q = 0; static void entry0( CYG_ADDRWORD data ) { s0.wait(); CHECK( 1 == q++ ); s1.post(); s0.wait(); CHECK( 3 == q++ ); CHECK( 0 == s0.peek() ); CHECK( ! s0.trywait() ); s0.post(); CHECK( 4 == q++ ); CHECK( 1 == s0.peek() ); s0.post(); CHECK( 2 == s0.peek() ); s1.post(); CHECK( 0 == s2.peek() ); s2.wait(); CHECK( 6 == q++ ); CYG_TEST_PASS_FINISH("Counting Semaphore 1 OK"); } static void entry1( CYG_ADDRWORD data ) { CHECK( 2 == s1.peek() ); s1.wait(); CHECK( 1 == s1.peek() ); s1.wait(); CHECK( 0 == q++ ); CHECK( 0 == s0.peek() ); s0.post(); s1.wait(); CHECK( 2 == q++ ); s0.post(); s1.wait(); CHECK( 5 == q++ ); CHECK( 2 == s0.peek() ); CHECK( s0.trywait() ); CHECK( 1 == s0.peek() ); CHECK( s0.trywait() ); CHECK( 0 == s0.peek() ); s2.post(); s0.wait(); CYG_TEST_FAIL_FINISH("Not reached"); } void cnt_sem1_main( void ) { CYG_TEST_INIT(); new_thread(entry0, 0); new_thread(entry1, 1); 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 cnt_sem1_main(); } // EOF cnt_sem1.cxx