Back to index

glibc  2.9
tst-rwlock13.c
Go to the documentation of this file.
00001 /* Copyright (C) 2004 Free Software Foundation, Inc.
00002    This file is part of the GNU C Library.
00003 
00004    The GNU C Library is free software; you can redistribute it and/or
00005    modify it under the terms of the GNU Lesser General Public
00006    License as published by the Free Software Foundation; either
00007    version 2.1 of the License, or (at your option) any later version.
00008 
00009    The GNU C Library is distributed in the hope that it will be useful,
00010    but WITHOUT ANY WARRANTY; without even the implied warranty of
00011    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012    Lesser General Public License for more details.
00013 
00014    You should have received a copy of the GNU Lesser General Public
00015    License along with the GNU C Library; if not, write to the Free
00016    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00017    02111-1307 USA.  */
00018 
00019 #include <pthread.h>
00020 #include <stdio.h>
00021 #include <string.h>
00022 
00023 
00024 static int
00025 do_test (void)
00026 {
00027   pthread_rwlock_t r;
00028   int ret;
00029 
00030   memset (&r, 0xaa, sizeof (r));
00031   if ((ret = pthread_rwlock_init (&r, NULL)) != 0)
00032     {
00033       printf ("rwlock_init failed: %d\n", ret);
00034       return 1;
00035     }
00036 
00037   if ((ret = pthread_rwlock_rdlock (&r)) != 0)
00038     {
00039       printf ("rwlock_rdlock failed: %d\n", ret);
00040       return 1;
00041     }
00042 
00043   if ((ret = pthread_rwlock_unlock (&r)) != 0)
00044     {
00045       printf ("rwlock_unlock failed: %d\n", ret);
00046       return 1;
00047     }
00048 
00049   if ((ret = pthread_rwlock_wrlock (&r)) != 0)
00050     {
00051       printf ("rwlock_wrlock failed: %d\n", ret);
00052       return 1;
00053     }
00054 
00055   if ((ret = pthread_rwlock_unlock (&r)) != 0)
00056     {
00057       printf ("second rwlock_unlock failed: %d\n", ret);
00058       return 1;
00059     }
00060 
00061   if ((ret = pthread_rwlock_destroy (&r)) != 0)
00062     {
00063       printf ("second rwlock_destroy failed: %d\n", ret);
00064       return 1;
00065     }
00066 
00067   return 0;
00068 }
00069 
00070 #define TEST_FUNCTION do_test ()
00071 #include "../test-skeleton.c"