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Diffstat (limited to 'pthreads/tests/cancel3.c')
| -rw-r--r-- | pthreads/tests/cancel3.c | 201 |
1 files changed, 201 insertions, 0 deletions
diff --git a/pthreads/tests/cancel3.c b/pthreads/tests/cancel3.c new file mode 100644 index 000000000..1560ccfd2 --- /dev/null +++ b/pthreads/tests/cancel3.c @@ -0,0 +1,201 @@ +/* + * File: cancel3.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 asynchronous cancelation (alertable or non-alertable). + * + * Test Method (Validation or Falsification): + * - + * + * Requirements Tested: + * - Async cancel if thread is not blocked (i.e. voluntarily resumes if blocked). + * + * 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. + * - quserex.dll and alertdrv.sys are not available. + * + * Pass Criteria: + * - Process returns zero exit status. + * + * Fail Criteria: + * - Process returns non-zero exit status. + */ + +#include "test.h" + +/* + * Create NUMTHREADS threads in addition to the Main thread. + */ +enum +{ + NUMTHREADS = 4 +}; + +typedef struct bag_t_ bag_t; +struct bag_t_ +{ + int threadnum; + int started; + /* Add more per-thread state variables here */ + int count; +}; + +static bag_t threadbag[NUMTHREADS + 1]; + +void * +mythread (void *arg) +{ + int result = ((int) PTHREAD_CANCELED + 1); + bag_t *bag = (bag_t *) arg; + + assert (bag == &threadbag[bag->threadnum]); + assert (bag->started == 0); + bag->started = 1; + + /* Set to known state and type */ + + assert (pthread_setcancelstate (PTHREAD_CANCEL_ENABLE, NULL) == 0); + + assert (pthread_setcanceltype (PTHREAD_CANCEL_ASYNCHRONOUS, NULL) == 0); + + /* + * We wait up to 10 seconds, waking every 0.1 seconds, + * for a cancelation to be applied to us. + */ + for (bag->count = 0; bag->count < 100; bag->count++) + Sleep (100); + + return (void *) result; +} + +int +main () +{ + int failed = 0; + int i; + pthread_t t[NUMTHREADS + 1]; + + assert ((t[0] = pthread_self ()).p != NULL); + + for (i = 1; i <= NUMTHREADS; i++) + { + threadbag[i].started = 0; + threadbag[i].threadnum = i; + assert (pthread_create (&t[i], NULL, mythread, (void *) &threadbag[i]) + == 0); + } + + /* + * Code to control or munipulate child threads should probably go here. + */ + Sleep (500); + + for (i = 1; i <= NUMTHREADS; i++) + { + assert (pthread_cancel (t[i]) == 0); + } + + /* + * Give threads time to run. + */ + Sleep (NUMTHREADS * 100); + + /* + * Standard check that all threads started. + */ + for (i = 1; i <= NUMTHREADS; i++) + { + if (!threadbag[i].started) + { + failed |= !threadbag[i].started; + fprintf (stderr, "Thread %d: started %d\n", i, + threadbag[i].started); + } + } + + assert (!failed); + + /* + * Check any results here. Set "failed" and only print output on failure. + */ + failed = 0; + for (i = 1; i <= NUMTHREADS; i++) + { + int fail = 0; + int result = 0; + + /* + * The thread does not contain any cancelation points, so + * a return value of PTHREAD_CANCELED confirms that async + * cancelation succeeded. + */ + assert (pthread_join (t[i], (void **) &result) == 0); + + fail = (result != (int) PTHREAD_CANCELED); + + if (fail) + { + fprintf (stderr, "Thread %d: started %d: count %d\n", + i, threadbag[i].started, threadbag[i].count); + } + failed = (failed || fail); + } + + assert (!failed); + + /* + * Success. + */ + return 0; +} |