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[/] [openrisc/] [trunk/] [rtos/] [ecos-3.0/] [packages/] [services/] [objloader/] [current/] [tests/] [library/] [hello.c] - Rev 786
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/* ================================================================= * * hello.c * * Sample library to test the object loader * * ================================================================= * ####ECOSGPLCOPYRIGHTBEGIN#### * ------------------------------------------- * This file is part of eCos, the Embedded Configurable Operating System. * Copyright (C) 2005 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 * 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 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): Anthony Tonizzo (atonizzo@gmail.com) * Date: 2005-05-13 * Purpose: * Description: * * ####DESCRIPTIONEND#### * * ================================================================= */ #include <cyg/kernel/kapi.h> // Kernel API. #include <cyg/infra/diag.h> // For diagnostic printing. #include <cyg/infra/testcase.h> cyg_sem_t sem_signal_thread; int thread_a_count; extern int weak_fn_called; void weak_function(void) CYGBLD_ATTRIB_WEAK; void weak_function(void) { // Store the data value passed in for this thread. diag_printf("INFO:< This is the library weak function>"); CYG_TEST_FAIL ("Libraries weak function called when apps should be called"); } void library_open(void) { // Initialize the count for thread a. thread_a_count = 0; // Initialize the semaphore with a count of zero, // prior to creating the threads. cyg_semaphore_init(&sem_signal_thread, 0); CYG_TEST_INFO("Library initialized"); } void library_close(void) { CYG_TEST_INFO("Library closed"); } void print_message(void) { diag_printf("INFO:<Printing a silly message...>\n"); } // Thread A - signals thread B via semaphore. void thread_a(cyg_addrword_t data) { // Store the data value passed in for this thread. int msg = (int)data; weak_function (); while(thread_a_count < 5) { // Increment the thread a count. thread_a_count++; // Send out a message to the diagnostic port. diag_printf("INFO:<Thread A, count: %d message: %d>\n", thread_a_count, msg); // Delay for 1 second. cyg_thread_delay(100); // Signal thread B using the semaphore. cyg_semaphore_post(&sem_signal_thread); } CYG_TEST_CHECK(weak_fn_called == 2 , "Application week function not called"); CYG_TEST_FINISH("Object loader test finished"); } // Thread B - waits for semaphore signal from thread A. void thread_b(cyg_addrword_t data) { // Store the data value passed in for this thread. int msg = (int)data; while(1) { // Signal thread B using the semaphore. cyg_semaphore_wait(&sem_signal_thread); // Send out a message to the diagnostic port. diag_printf("INFO:< Thread B, message: %d>\n", msg); } }