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glibc/nptl/tst-rwlock2.c
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/* Copyright (C) 2002 Free Software Foundation, Inc. | |
This file is part of the GNU C Library. | |
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. | |
The GNU C 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 2.1 of the License, or (at your option) any later version. | |
The GNU C 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 the GNU C Library; if not, write to the Free | |
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | |
02111-1307 USA. */ | |
#include <errno.h> | |
#include <pthread.h> | |
#include <stdio.h> | |
static int | |
do_test (void) | |
{ | |
pthread_rwlock_t r; | |
pthread_rwlockattr_t at; | |
int e; | |
if (pthread_rwlockattr_init (&at) != 0) | |
{ | |
puts ("rwlockattr_init failed"); | |
return 1; | |
} | |
puts ("rwlockattr_init succeeded"); | |
#ifndef TYPE | |
# define TYPE PTHREAD_RWLOCK_PREFER_READER_NP | |
#endif | |
if (pthread_rwlockattr_setkind_np (&at, TYPE) != 0) | |
{ | |
puts ("rwlockattr_setkind failed"); | |
return 1; | |
} | |
puts ("rwlockattr_setkind succeeded"); | |
if (pthread_rwlock_init (&r, &at) != 0) | |
{ | |
puts ("rwlock_init failed"); | |
return 1; | |
} | |
puts ("rwlock_init succeeded"); | |
if (pthread_rwlockattr_destroy (&at) != 0) | |
{ | |
puts ("rwlockattr_destroy failed"); | |
return 1; | |
} | |
puts ("rwlockattr_destroy succeeded"); | |
if (pthread_rwlock_wrlock (&r) != 0) | |
{ | |
puts ("1st rwlock_wrlock failed"); | |
return 1; | |
} | |
puts ("1st rwlock_wrlock succeeded"); | |
e = pthread_rwlock_tryrdlock (&r); | |
if (e == 0) | |
{ | |
puts ("rwlock_tryrdlock on rwlock with writer succeeded"); | |
return 1; | |
} | |
if (e != EBUSY) | |
{ | |
puts ("rwlock_tryrdlock on rwlock with writer return value != EBUSY"); | |
return 1; | |
} | |
puts ("rwlock_tryrdlock on rwlock with writer failed with EBUSY"); | |
e = pthread_rwlock_trywrlock (&r); | |
if (e == 0) | |
{ | |
puts ("rwlock_trywrlock on rwlock with writer succeeded"); | |
return 1; | |
} | |
if (e != EBUSY) | |
{ | |
puts ("rwlock_trywrlock on rwlock with writer return value != EBUSY"); | |
return 1; | |
} | |
puts ("rwlock_trywrlock on rwlock with writer failed with EBUSY"); | |
if (pthread_rwlock_unlock (&r) != 0) | |
{ | |
puts ("1st rwlock_unlock failed"); | |
return 1; | |
} | |
puts ("1st rwlock_unlock succeeded"); | |
if (pthread_rwlock_tryrdlock (&r) != 0) | |
{ | |
puts ("rwlock_tryrdlock on unlocked rwlock failed"); | |
return 1; | |
} | |
puts ("rwlock_tryrdlock on unlocked rwlock succeeded"); | |
e = pthread_rwlock_trywrlock (&r); | |
if (e == 0) | |
{ | |
puts ("rwlock_trywrlock on rwlock with reader succeeded"); | |
return 1; | |
} | |
if (e != EBUSY) | |
{ | |
puts ("rwlock_trywrlock on rwlock with reader return value != EBUSY"); | |
return 1; | |
} | |
puts ("rwlock_trywrlock on rwlock with reader failed with EBUSY"); | |
if (pthread_rwlock_unlock (&r) != 0) | |
{ | |
puts ("2nd rwlock_unlock failed"); | |
return 1; | |
} | |
puts ("2nd rwlock_unlock succeeded"); | |
if (pthread_rwlock_trywrlock (&r) != 0) | |
{ | |
puts ("rwlock_trywrlock on unlocked rwlock failed"); | |
return 1; | |
} | |
puts ("rwlock_trywrlock on unlocked rwlock succeeded"); | |
e = pthread_rwlock_tryrdlock (&r); | |
if (e == 0) | |
{ | |
puts ("rwlock_tryrdlock on rwlock with writer succeeded"); | |
return 1; | |
} | |
if (e != EBUSY) | |
{ | |
puts ("rwlock_tryrdlock on rwlock with writer return value != EBUSY"); | |
return 1; | |
} | |
puts ("rwlock_tryrdlock on rwlock with writer failed with EBUSY"); | |
if (pthread_rwlock_unlock (&r) != 0) | |
{ | |
puts ("3rd rwlock_unlock failed"); | |
return 1; | |
} | |
puts ("3rd rwlock_unlock succeeded"); | |
if (pthread_rwlock_destroy (&r) != 0) | |
{ | |
puts ("rwlock_destroy failed"); | |
return 1; | |
} | |
puts ("rwlock_destroy succeeded"); | |
return 0; | |
} | |
#define TEST_FUNCTION do_test () | |
#include "../test-skeleton.c" |