diff options
author | Thomas Pfaff <tpfaff@gmx.net> | 2003-03-18 20:04:24 +0000 |
---|---|---|
committer | Thomas Pfaff <tpfaff@gmx.net> | 2003-03-18 20:04:24 +0000 |
commit | 4fd9bca85e390cbb98fe232a8405df7db6eafb51 (patch) | |
tree | 396b919548b84d8c17cea5cac5fdedbe76c7167e /winsup/testsuite/winsup.api/pthread/rwlock6.c | |
parent | 00d296a3f9528ab64f6efc3e9c45bbb823db4227 (diff) | |
download | cygnal-4fd9bca85e390cbb98fe232a8405df7db6eafb51.tar.gz cygnal-4fd9bca85e390cbb98fe232a8405df7db6eafb51.tar.bz2 cygnal-4fd9bca85e390cbb98fe232a8405df7db6eafb51.zip |
* winsup.api/pthread/rwlock1.c: New test.
* winsup.api/pthread/rwlock2.c: Ditto.
* winsup.api/pthread/rwlock3.c: Ditto.
* winsup.api/pthread/rwlock4.c: Ditto.
* winsup.api/pthread/rwlock5.c: Ditto.
* winsup.api/pthread/rwlock6.c: Ditto.
* winsup.api/pthread/rwlock7.c: Ditto.
Diffstat (limited to 'winsup/testsuite/winsup.api/pthread/rwlock6.c')
-rw-r--r-- | winsup/testsuite/winsup.api/pthread/rwlock6.c | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/winsup/testsuite/winsup.api/pthread/rwlock6.c b/winsup/testsuite/winsup.api/pthread/rwlock6.c new file mode 100644 index 000000000..9a4832e81 --- /dev/null +++ b/winsup/testsuite/winsup.api/pthread/rwlock6.c @@ -0,0 +1,103 @@ +/* + * rwlock6.c + * + * + * -------------------------------------------------------------------------- + * + * -------------------------------------------------------------------------- + * + * Pthreads-win32 - POSIX Threads Library for Win32 + * Copyright(C) 1998 John E. Bossom + * Copyright(C) 1999,2002 Pthreads-win32 contributors + * + * Contact Email: rpj@ise.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 + * + * -------------------------------------------------------------------------- + * + * Check writer and reader locking + * + * Depends on API functions: + * pthread_rwlock_rdlock() + * pthread_rwlock_wrlock() + * pthread_rwlock_unlock() + */ + +#include "test.h" + +static pthread_rwlock_t rwlock1 = PTHREAD_RWLOCK_INITIALIZER; + +static int bankAccount = 0; + +void * wrfunc(void * arg) +{ + int ba; + + assert(pthread_rwlock_wrlock(&rwlock1) == 0); + Sleep(2000); + bankAccount += 10; + ba = bankAccount; + assert(pthread_rwlock_unlock(&rwlock1) == 0); + + return ((void *) ba); +} + +void * rdfunc(void * arg) +{ + int ba; + + assert(pthread_rwlock_rdlock(&rwlock1) == 0); + ba = bankAccount; + assert(pthread_rwlock_unlock(&rwlock1) == 0); + + return ((void *) ba); +} + +int +main() +{ + pthread_t wrt1; + pthread_t wrt2; + pthread_t rdt; + int wr1Result = 0; + int wr2Result = 0; + int rdResult = 0; + + bankAccount = 0; + + assert(pthread_create(&wrt1, NULL, wrfunc, NULL) == 0); + Sleep(500); + assert(pthread_create(&rdt, NULL, rdfunc, NULL) == 0); + Sleep(500); + assert(pthread_create(&wrt2, NULL, wrfunc, NULL) == 0); + + assert(pthread_join(wrt1, (void **) &wr1Result) == 0); + assert(pthread_join(rdt, (void **) &rdResult) == 0); + assert(pthread_join(wrt2, (void **) &wr2Result) == 0); + + assert(wr1Result == 10); + assert(rdResult == 20); + assert(wr2Result == 20); + + return 0; +} |