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Diffstat (limited to 'pthreads/tests/exception1.c')
| -rw-r--r-- | pthreads/tests/exception1.c | 263 |
1 files changed, 263 insertions, 0 deletions
diff --git a/pthreads/tests/exception1.c b/pthreads/tests/exception1.c new file mode 100644 index 000000000..3f9f59578 --- /dev/null +++ b/pthreads/tests/exception1.c @@ -0,0 +1,263 @@ +/* + * File: exception1.c + * + * + * -------------------------------------------------------------------------- + * + * Pthreads-win32 - POSIX Threads Library for Win32 + * Copyright(C) 1998 John E. Bossom + * Copyright(C) 1999,2005 Pthreads-win32 contributors + * + * Contact Email: rpj@callisto.canberra.edu.au + * + * The current list of contributors is contained + * in the file CONTRIBUTORS included with the source + * code distribution. The list can also be seen at the + * following World Wide Web location: + * http://sources.redhat.com/pthreads-win32/contributors.html + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library in the file COPYING.LIB; + * if not, write to the Free Software Foundation, Inc., + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA + * + * -------------------------------------------------------------------------- + * + * Test Synopsis: Test passing of exceptions back to the application. + * + * Test Method (Validation or Falsification): + * - + * + * Requirements Tested: + * - + * + * Features Tested: + * - + * + * Cases Tested: + * - + * + * Description: + * - + * + * Environment: + * - + * + * Input: + * - None. + * + * Output: + * - File name, Line number, and failed expression on failure. + * - No output on success. + * + * Assumptions: + * - have working pthread_create, pthread_self, pthread_mutex_lock/unlock + * pthread_testcancel, pthread_cancel, pthread_join + * + * Pass Criteria: + * - Process returns zero exit status. + * + * Fail Criteria: + * - Process returns non-zero exit status. + */ + +#if defined(_MSC_VER) || defined(__cplusplus) + +#include "test.h" + +/* + * Create NUMTHREADS threads in addition to the Main thread. + */ +enum { + NUMTHREADS = 4 +}; + +void * +exceptionedThread(void * arg) +{ + int dummy = 0; + int result = ((int)PTHREAD_CANCELED + 1); + /* Set to async cancelable */ + + assert(pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL) == 0); + + assert(pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, NULL) == 0); + + Sleep(100); + +#if defined(_MSC_VER) && !defined(__cplusplus) + __try + { + int zero = (int) arg; /* Passed in from arg to avoid compiler error */ + int one = 1; + /* + * The deliberate exception condition (zero divide) is + * in an "if" to avoid being optimised out. + */ + if (dummy == one/zero) + Sleep(0); + } + __except (EXCEPTION_EXECUTE_HANDLER) + { + /* Should get into here. */ + result = ((int)PTHREAD_CANCELED + 2); + } +#elif defined(__cplusplus) + try + { + /* + * I had a zero divide exception here but it + * wasn't being caught by the catch(...) + * below under Mingw32. That could be a problem. + */ + throw dummy; + } +#if defined(PtW32CatchAll) + PtW32CatchAll +#else + catch (...) +#endif + { + /* Should get into here. */ + result = ((int)PTHREAD_CANCELED + 2); + } +#endif + + return (void *) result; +} + +void * +canceledThread(void * arg) +{ + int result = ((int)PTHREAD_CANCELED + 1); + int count; + + /* Set to async cancelable */ + + assert(pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL) == 0); + + assert(pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, NULL) == 0); + +#if defined(_MSC_VER) && !defined(__cplusplus) + __try + { + /* + * We wait up to 10 seconds, waking every 0.1 seconds, + * for a cancelation to be applied to us. + */ + for (count = 0; count < 100; count++) + Sleep(100); + } + __except (EXCEPTION_EXECUTE_HANDLER) + { + /* Should NOT get into here. */ + result = ((int)PTHREAD_CANCELED + 2); + } +#elif defined(__cplusplus) + try + { + /* + * We wait up to 10 seconds, waking every 0.1 seconds, + * for a cancelation to be applied to us. + */ + for (count = 0; count < 100; count++) + Sleep(100); + } +#if defined(PtW32CatchAll) + PtW32CatchAll +#else + catch (...) +#endif + { + /* Should NOT get into here. */ + result = ((int)PTHREAD_CANCELED + 2); + } +#endif + + return (void *) result; +} + +int +main() +{ + int failed = 0; + int i; + pthread_t mt; + pthread_t et[NUMTHREADS]; + pthread_t ct[NUMTHREADS]; + + assert((mt = pthread_self()).p != NULL); + + for (i = 0; i < NUMTHREADS; i++) + { + assert(pthread_create(&et[i], NULL, exceptionedThread, (void *) 0) == 0); + assert(pthread_create(&ct[i], NULL, canceledThread, NULL) == 0); + } + + /* + * Code to control or munipulate child threads should probably go here. + */ + Sleep(1000); + + for (i = 0; i < NUMTHREADS; i++) + { + assert(pthread_cancel(ct[i]) == 0); + } + + /* + * Give threads time to run. + */ + Sleep(NUMTHREADS * 1000); + + /* + * Check any results here. Set "failed" and only print output on failure. + */ + failed = 0; + for (i = 0; i < NUMTHREADS; i++) + { + int fail = 0; + int result = 0; + + /* Canceled thread */ + assert(pthread_join(ct[i], (void **) &result) == 0); + assert(!(fail = (result != (int) PTHREAD_CANCELED))); + + failed = (failed || fail); + + /* Exceptioned thread */ + assert(pthread_join(et[i], (void **) &result) == 0); + assert(!(fail = (result != ((int) PTHREAD_CANCELED + 2)))); + + failed = (failed || fail); + } + + assert(!failed); + + /* + * Success. + */ + return 0; +} + +#else /* defined(_MSC_VER) || defined(__cplusplus) */ + +#include <stdio.h> + +int +main() +{ + fprintf(stderr, "Test N/A for this compiler environment.\n"); + return 0; +} + +#endif /* defined(_MSC_VER) || defined(__cplusplus) */ |