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Diffstat (limited to 'tests/sequence1.c')
-rwxr-xr-x | tests/sequence1.c | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/tests/sequence1.c b/tests/sequence1.c new file mode 100755 index 0000000..d7c6e0b --- /dev/null +++ b/tests/sequence1.c @@ -0,0 +1,142 @@ +/* + * File: sequence1.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: + * - that unique thread sequence numbers are generated. + * - Analyse thread struct reuse. + * + * Test Method (Validation or Falsification): + * - + * + * Requirements Tested: + * - + * + * Features Tested: + * - + * + * Cases Tested: + * - + * + * Description: + * - + * + * Environment: + * - This test is implementation specific + * because it uses knowledge of internals that should be + * opaque to an application. + * + * Input: + * - None. + * + * Output: + * - File name, Line number, and failed expression on failure. + * - analysis output on success. + * + * Assumptions: + * - + * + * Pass Criteria: + * - unique sequence numbers are generated for every new thread. + * + * Fail Criteria: + * - + */ + +#include "test.h" + +/* + */ + +enum { + NUMTHREADS = 10000 +}; + + +static long done = 0; +/* + * seqmap should have 1 in every element except [0] + * Thread sequence numbers start at 1 and we will also + * include this main thread so we need NUMTHREADS+2 + * elements. + */ +static UINT64 seqmap[NUMTHREADS+2]; + +void * func(void * arg) +{ + sched_yield(); + seqmap[(int)pthread_getsequence_np(pthread_self())] = 1; + InterlockedIncrement(&done); + + return (void *) 0; +} + +int +main() +{ + pthread_t t[NUMTHREADS]; + pthread_attr_t attr; + int i; + + assert(pthread_attr_init(&attr) == 0); + assert(pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED) == 0); + + for (i = 0; i <= NUMTHREADS+2; i++) + { + seqmap[i] = 0; + } + + for (i = 0; i < NUMTHREADS; i++) + { + if (NUMTHREADS/2 == i) + { + /* Include this main thread, which will be an implicit pthread_t */ + seqmap[(int)pthread_getsequence_np(pthread_self())] = 1; + } + assert(pthread_create(&t[i], &attr, func, NULL) == 0); + } + + while (NUMTHREADS > InterlockedExchangeAdd((LPLONG)&done, 0L)) + Sleep(100); + + Sleep(100); + + assert(seqmap[0] == 0); + for (i = 1; i < NUMTHREADS+2; i++) + { + assert(seqmap[i] == 1); + } + + return 0; +} |