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/* Copyright (C) 2007-2010 Open Information Security Foundation
*
* You can copy, redistribute or modify this Program under the terms of
* the GNU General Public License version 2 as published by the Free
* Software Foundation.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* version 2 along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
/**
* \file
*
* \author Victor Julien <victor@inliniac.net>
* \author Pablo Rincon Crespo <pablo.rincon.crespo@gmail.com>
*
* This file now only contains unit tests see macros in threads.h
*/
#include "suricata-common.h"
#include "util-unittest.h"
#include "util-debug.h"
#include "threads.h"
thread_local char t_thread_name[THREAD_NAME_LEN + 1];
#ifdef UNITTESTS /* UNIT TESTS */
/**
* \brief Test Mutex macros
*/
static int ThreadMacrosTest01Mutex(void)
{
SCMutex mut;
int r = 0;
r |= SCMutexInit(&mut, NULL);
r |= SCMutexLock(&mut);
r |= (SCMutexTrylock(&mut) == EBUSY)? 0 : 1;
r |= SCMutexUnlock(&mut);
r |= SCMutexDestroy(&mut);
return (r == 0)? 1 : 0;
}
/**
* \brief Test Spinlock Macros
*
* Valgrind's DRD tool (valgrind-3.5.0-Debian) reports:
*
* ==31156== Recursive locking not allowed: mutex 0x7fefff97c, recursion count 1, owner 1.
* ==31156== at 0x4C2C77E: pthread_spin_trylock (drd_pthread_intercepts.c:829)
* ==31156== by 0x40EB3E: ThreadMacrosTest02Spinlocks (threads.c:40)
* ==31156== by 0x532E8A: UtRunTests (util-unittest.c:182)
* ==31156== by 0x4065C3: main (suricata.c:789)
*
* To me this is a false positive, as the whole point of "trylock" is to see
* if a spinlock is actually locked.
*
*/
static int ThreadMacrosTest02Spinlocks(void)
{
SCSpinlock mut;
int r = 0;
r |= SCSpinInit(&mut, 0);
r |= SCSpinLock(&mut);
#ifndef __OpenBSD__
r |= (SCSpinTrylock(&mut) == EBUSY)? 0 : 1;
#else
r |= (SCSpinTrylock(&mut) == EDEADLK)? 0 : 1;
#endif
r |= SCSpinUnlock(&mut);
r |= SCSpinDestroy(&mut);
return (r == 0)? 1 : 0;
}
/**
* \brief Test RWLock macros
*/
static int ThreadMacrosTest03RWLocks(void)
{
SCRWLock rwl_write;
int r = 0;
r |= SCRWLockInit(&rwl_write, NULL);
r |= SCRWLockWRLock(&rwl_write);
/* OS X/macOS 10.10 (Yosemite) and newer return EDEADLK. Older versions
* and other tested OS's return EBUSY. */
#if __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__>=101000
r |= (SCRWLockTryWRLock(&rwl_write) == EDEADLK)? 0 : 1;
#else
r |= (SCRWLockTryWRLock(&rwl_write) == EBUSY)? 0 : 1;
#endif
r |= SCRWLockUnlock(&rwl_write);
r |= SCRWLockDestroy(&rwl_write);
return (r == 0)? 1 : 0;
}
/**
* \brief Test RWLock macros
*/
static int ThreadMacrosTest04RWLocks(void)
{
SCRWLock rwl_read;
int r = 0;
r |= SCRWLockInit(&rwl_read, NULL);
r |= SCRWLockRDLock(&rwl_read);
r |= (SCRWLockTryWRLock(&rwl_read) == EBUSY)? 0 : 1;
r |= SCRWLockUnlock(&rwl_read);
r |= SCRWLockDestroy(&rwl_read);
return (r == 0)? 1 : 0;
}
#if 0 // broken on OSX
/**
* \brief Test RWLock macros
*/
static int ThreadMacrosTest05RWLocks(void)
{
SCRWLock rwl_read;
int r = 0;
r |= SCRWLockInit(&rwl_read, NULL);
r |= SCRWLockWRLock(&rwl_read);
r |= (SCRWLockTryRDLock(&rwl_read) == EBUSY)? 0 : 1;
r |= SCRWLockUnlock(&rwl_read);
r |= SCRWLockDestroy(&rwl_read);
return (r == 0)? 1 : 0;
}
#endif
#endif /* UNIT TESTS */
/**
* \brief this function registers unit tests for DetectId
*/
void ThreadMacrosRegisterTests(void)
{
#ifdef UNITTESTS /* UNIT TESTS */
UtRegisterTest("ThreadMacrosTest01Mutex", ThreadMacrosTest01Mutex);
UtRegisterTest("ThreadMacrosTest02Spinlocks", ThreadMacrosTest02Spinlocks);
UtRegisterTest("ThreadMacrosTest03RWLocks", ThreadMacrosTest03RWLocks);
UtRegisterTest("ThreadMacrosTest04RWLocks", ThreadMacrosTest04RWLocks);
// UtRegisterTest("ThreadMacrosTest05RWLocks", ThreadMacrosTest05RWLocks);
#endif /* UNIT TESTS */
}
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