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annotate packages/language/c/libc/current/tests/signal/signal1.c @ 66:bf00f99aec69 ecos-sw-2000-02-02
Merge from eCos master repository on 2000-02-02-19:16:44-GMT
| author | jlarmour |
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| date | Wed, 02 Feb 2000 19:57:02 +0000 |
| parents | c38311975d4f |
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| rev | line source |
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| 2 | 1 //======================================================================== |
| 2 // | |
| 3 // signal1.c | |
| 4 // | |
| 5 // ISO C signal handling test | |
| 6 // | |
| 7 //======================================================================== | |
| 8 //####COPYRIGHTBEGIN#### | |
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9 // |
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10 // ------------------------------------------- |
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11 // The contents of this file are subject to the Red Hat eCos Public License |
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12 // Version 1.1 (the "License"); you may not use this file except in |
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13 // compliance with the License. You may obtain a copy of the License at |
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14 // http://www.redhat.com/ |
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15 // |
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16 // Software distributed under the License is distributed on an "AS IS" |
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17 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the |
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18 // License for the specific language governing rights and limitations under |
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19 // the License. |
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20 // |
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21 // The Original Code is eCos - Embedded Configurable Operating System, |
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22 // released September 30, 1998. |
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23 // |
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24 // The Initial Developer of the Original Code is Red Hat. |
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25 // Portions created by Red Hat are |
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26 // Copyright (C) 1998, 1999, 2000 Red Hat, Inc. |
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27 // All Rights Reserved. |
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28 // ------------------------------------------- |
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29 // |
| 2 | 30 //####COPYRIGHTEND#### |
| 31 //======================================================================== | |
| 32 //#####DESCRIPTIONBEGIN#### | |
| 33 // | |
| 34 // Author(s): jlarmour | |
| 35 // Contributors: jlarmour | |
| 36 // Date: 1999-02-18 | |
| 37 // Purpose: Test signal functionality | |
| 38 // Description: This file contains a number of tests for ISO C signal | |
| 39 // handling | |
| 40 // Usage: | |
| 41 // | |
| 42 //####DESCRIPTIONEND#### | |
| 43 // | |
| 44 //======================================================================== | |
| 45 | |
| 46 // CONFIGURATION | |
| 47 | |
| 48 #include <pkgconf/libc.h> // C library configuration | |
| 49 | |
| 50 // INCLUDES | |
| 51 | |
| 52 #include <cyg/infra/cyg_type.h> // Common type definitions and support | |
| 53 #include <cyg/infra/testcase.h> // Test infrastructure | |
| 54 #include <sys/cstartup.h> // C library initialisation | |
| 55 | |
| 56 #ifdef CYGPKG_LIBC_SIGNALS | |
| 57 #include <signal.h> // Signal functions | |
| 58 #include <setjmp.h> // setjmp(), longjmp() | |
| 59 #include <stdlib.h> // abort() | |
| 60 | |
| 61 // STATICS | |
| 62 | |
| 63 static int state; | |
| 64 static jmp_buf jbuf; | |
| 65 | |
| 66 // PROTOTYPES | |
| 67 | |
| 68 // Private libc abort() function | |
| 69 externC void __abort(void); | |
| 70 | |
| 71 #endif // CYGPKG_LIBC_SIGNALS | |
| 72 | |
| 73 // FUNCTIONS | |
| 74 | |
| 75 externC void | |
| 76 cyg_package_start( void ) | |
| 77 { | |
| 78 cyg_iso_c_start(); | |
| 79 } // cyg_package_start() | |
| 80 | |
| 81 #ifdef CYGPKG_LIBC_SIGNALS | |
| 82 | |
| 83 static void | |
| 84 myhandler1(int signal) | |
| 85 { | |
| 86 CYG_TEST_INFO("myhandler1 called"); | |
| 87 ++state; | |
| 88 } // myhandler1() | |
| 89 | |
| 90 static void | |
| 91 myhandler2(int signal) | |
| 92 { | |
| 93 CYG_TEST_INFO("myhandler2 called"); | |
| 94 ++state; | |
| 95 longjmp(jbuf, 1); | |
| 96 } // myhandler2() | |
| 97 | |
| 98 #endif // ifdef CYGPKG_LIBC_SIGNALS | |
| 99 | |
| 100 int | |
| 101 main( int argc, char *argv[] ) | |
| 102 { | |
| 103 #ifdef CYGPKG_LIBC_SIGNALS | |
| 104 __sighandler_t handler1; | |
| 105 int rc; | |
| 106 | |
| 107 // special callout to request GDB to alter its handling of signals | |
| 108 CYG_TEST_GDBCMD("handle SIGTERM nostop"); | |
| 109 CYG_TEST_GDBCMD("handle SIGABRT nostop"); | |
| 110 | |
| 111 #endif // ifdef CYGPKG_LIBC_SIGNALS | |
| 112 | |
| 113 CYG_TEST_INIT(); | |
| 114 | |
| 115 CYG_TEST_INFO("Starting tests from testcase " __FILE__ " for C " | |
| 116 "library signal functions"); | |
| 117 #ifdef CYGPKG_LIBC_SIGNALS | |
| 118 | |
| 119 // Test 1 | |
| 120 | |
| 121 CYG_TEST_INFO("Test 1"); | |
| 122 state = 1; | |
| 123 handler1 = signal(SIGTERM, &myhandler1); | |
| 124 | |
| 125 CYG_TEST_PASS_FAIL(handler1 == SIG_DFL, | |
| 126 "SIGTERM handler initialized to default"); | |
| 127 | |
| 128 rc = raise(SIGTERM); | |
| 129 | |
| 130 CYG_TEST_PASS_FAIL(0==rc, "raise(SIGTERM) did not return error"); | |
| 131 | |
| 132 CYG_TEST_PASS_FAIL(2==state, "SIGTERM handler returned correctly"); | |
| 133 | |
| 134 // Test 2 | |
| 135 | |
| 136 CYG_TEST_INFO("Test 2"); | |
| 137 | |
| 138 state = 2; | |
| 139 handler1 = signal(SIGTERM, &myhandler2); | |
| 140 | |
| 141 CYG_TEST_PASS_FAIL(handler1 == SIG_DFL, | |
| 142 "SIGTERM handler reset to default after test 1"); | |
| 143 | |
| 144 handler1 = signal(SIGTERM, &myhandler1); | |
| 145 | |
| 146 CYG_TEST_PASS_FAIL(handler1 == &myhandler2, | |
| 147 "SIGTERM handler was set correctly"); | |
| 148 | |
| 149 rc = raise(SIGTERM); | |
| 150 | |
| 151 CYG_TEST_PASS_FAIL(0==rc, "raise(SIGTERM) did not return error"); | |
| 152 | |
| 153 CYG_TEST_PASS_FAIL(3==state, "SIGTERM handler returned correctly"); | |
| 154 | |
| 155 // Test 3 | |
| 156 | |
| 157 CYG_TEST_INFO("Test 3"); | |
| 158 | |
| 159 handler1 = signal(SIGTERM, &myhandler2); | |
| 160 | |
| 161 CYG_TEST_PASS_FAIL(handler1 == SIG_DFL, | |
| 162 "SIGTERM handler reset to default after test 2"); | |
| 163 | |
| 164 handler1 = signal(SIGTERM, SIG_DFL); | |
| 165 | |
| 166 CYG_TEST_PASS_FAIL(handler1 == &myhandler2, | |
| 167 "SIGTERM handler was set correctly"); | |
| 168 | |
| 169 // Test 4 | |
| 170 | |
| 171 CYG_TEST_INFO("Test 4"); | |
| 172 | |
| 173 state = 4; | |
| 174 handler1 = signal(SIGTERM, SIG_IGN); | |
| 175 | |
| 176 CYG_TEST_PASS_FAIL(handler1 == SIG_DFL, | |
| 177 "SIGTERM handler was set correctly after test 3"); | |
| 178 rc = raise(SIGTERM); | |
| 179 | |
| 180 CYG_TEST_PASS_FAIL(0==rc, "raise(SIGTERM) did not return error"); | |
| 181 | |
| 182 CYG_TEST_PASS_FAIL(4==state, "SIGTERM ignored"); | |
| 183 | |
| 184 // Test 5 | |
| 185 | |
| 186 CYG_TEST_INFO("Test 5"); | |
| 187 | |
| 188 state = 5; | |
| 189 handler1 = signal(SIGTERM, &myhandler2); | |
| 190 | |
| 191 // SIG_IGN doesn't reset back to SIG_DFL after a raise() | |
| 192 CYG_TEST_PASS_FAIL(handler1 == SIG_IGN, | |
| 193 "SIGTERM handler was set correctly after test 4"); | |
| 194 | |
| 195 if (0==setjmp(jbuf)) { | |
| 196 raise(SIGTERM); | |
| 197 CYG_TEST_FAIL("raise returned"); | |
| 198 } | |
| 199 | |
| 200 CYG_TEST_PASS_FAIL(6==state, "SIGTERM handler returned correctly"); | |
| 201 | |
| 202 // Test 6 | |
| 203 | |
| 204 CYG_TEST_INFO("Test 6"); | |
| 205 | |
| 206 state = 6; | |
| 207 handler1 = signal(SIGABRT, &myhandler2); | |
| 208 | |
| 209 CYG_TEST_PASS_FAIL(handler1 == SIG_DFL, | |
| 210 "SIGABRT handler initialized to default"); | |
| 211 | |
| 212 if (0==setjmp(jbuf)) { | |
| 213 abort(); | |
| 214 CYG_TEST_FAIL("abort returned"); | |
| 215 } | |
| 216 | |
| 217 CYG_TEST_PASS_FAIL(7==state, "SIGABRT handler returned correctly"); | |
| 218 | |
| 219 #else | |
| 220 CYG_TEST_NA("Testing not applicable to this configuration"); | |
| 221 #endif | |
| 222 | |
| 223 CYG_TEST_FINISH("Finished tests from testcase " __FILE__ " for C " | |
| 224 "library signal functions"); | |
| 225 | |
| 226 } // main() | |
| 227 | |
| 228 // EOF signal1.c |