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[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [packages/] [language/] [c/] [libc/] [signals/] [v2_0/] [tests/] [signal1.c] - Rev 174
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//======================================================================== // // signal1.c // // ISO C signal handling test // //======================================================================== //####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: 2000-04-18 // Purpose: Test signal functionality // Description: This file contains a number of tests for ISO C signal // handling // Usage: // //####DESCRIPTIONEND#### // //======================================================================== // CONFIGURATION #include <pkgconf/libc_signals.h> // libc signals configuration // INCLUDES #include <cyg/infra/cyg_type.h> // Common type definitions and support #include <cyg/infra/testcase.h> // Test infrastructure #include <signal.h> // Signal functions #include <setjmp.h> // setjmp(), longjmp() #include <stdlib.h> // abort() // STATICS static int state; static jmp_buf jbuf; // FUNCTIONS static void myhandler1(int signal) { CYG_TEST_INFO("myhandler1 called"); ++state; } // myhandler1() static void myhandler2(int signal) { CYG_TEST_INFO("myhandler2 called"); ++state; longjmp(jbuf, 1); } // myhandler2() int main( int argc, char *argv[] ) { __sighandler_t handler1; int rc; // special callout to request GDB to alter its handling of signals CYG_TEST_GDBCMD("handle SIGTERM nostop"); CYG_TEST_GDBCMD("handle SIGABRT nostop"); CYG_TEST_INIT(); CYG_TEST_INFO("Starting tests from testcase " __FILE__ " for C " "library signal functions"); // Test 1 CYG_TEST_INFO("Test 1"); state = 1; handler1 = signal(SIGTERM, &myhandler1); CYG_TEST_PASS_FAIL(handler1 == SIG_DFL, "SIGTERM handler initialized to default"); rc = raise(SIGTERM); CYG_TEST_PASS_FAIL(0==rc, "raise(SIGTERM) did not return error"); CYG_TEST_PASS_FAIL(2==state, "SIGTERM handler returned correctly"); // Test 2 CYG_TEST_INFO("Test 2"); state = 2; handler1 = signal(SIGTERM, &myhandler2); CYG_TEST_PASS_FAIL(handler1 == SIG_DFL, "SIGTERM handler reset to default after test 1"); handler1 = signal(SIGTERM, &myhandler1); CYG_TEST_PASS_FAIL(handler1 == &myhandler2, "SIGTERM handler was set correctly"); rc = raise(SIGTERM); CYG_TEST_PASS_FAIL(0==rc, "raise(SIGTERM) did not return error"); CYG_TEST_PASS_FAIL(3==state, "SIGTERM handler returned correctly"); // Test 3 CYG_TEST_INFO("Test 3"); handler1 = signal(SIGTERM, &myhandler2); CYG_TEST_PASS_FAIL(handler1 == SIG_DFL, "SIGTERM handler reset to default after test 2"); handler1 = signal(SIGTERM, SIG_DFL); CYG_TEST_PASS_FAIL(handler1 == &myhandler2, "SIGTERM handler was set correctly"); // Test 4 CYG_TEST_INFO("Test 4"); state = 4; handler1 = signal(SIGTERM, SIG_IGN); CYG_TEST_PASS_FAIL(handler1 == SIG_DFL, "SIGTERM handler was set correctly after test 3"); rc = raise(SIGTERM); CYG_TEST_PASS_FAIL(0==rc, "raise(SIGTERM) did not return error"); CYG_TEST_PASS_FAIL(4==state, "SIGTERM ignored"); // Test 5 CYG_TEST_INFO("Test 5"); state = 5; handler1 = signal(SIGTERM, &myhandler2); // SIG_IGN doesn't reset back to SIG_DFL after a raise() CYG_TEST_PASS_FAIL(handler1 == SIG_IGN, "SIGTERM handler was set correctly after test 4"); if (0==setjmp(jbuf)) { raise(SIGTERM); CYG_TEST_FAIL("raise returned"); } CYG_TEST_PASS_FAIL(6==state, "SIGTERM handler returned correctly"); // Test 6 CYG_TEST_INFO("Test 6"); state = 6; handler1 = signal(SIGABRT, &myhandler2); CYG_TEST_PASS_FAIL(handler1 == SIG_DFL, "SIGABRT handler initialized to default"); if (0==setjmp(jbuf)) { abort(); CYG_TEST_FAIL("abort returned"); } CYG_TEST_PASS_FAIL(7==state, "SIGABRT handler returned correctly"); CYG_TEST_FINISH("Finished tests from testcase " __FILE__ " for C " "library signal functions"); return 0; } // main() // EOF signal1.c