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/* Copyright (C) 2007-2013 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>
*
* Threading functions defined as macros: debug variants
*/
#ifndef __THREADS_DEBUG_H__
#define __THREADS_DEBUG_H__
/* mutex */
/** When dbg threads is defined, if a mutex fail to lock, it's
* initialized, logged, and does a second try; This is to prevent the system to freeze;
* It is for Mac OS X users;
* If you see a mutex, spinlock or condiion not initialized, report it please!
*/
#define SCMutexLock_dbg(mut) ({ \
printf("%16s(%s:%d): (thread:%"PRIuMAX") locking mutex %p\n", __FUNCTION__, __FILE__, __LINE__, (uintmax_t)pthread_self(), mut); \
int retl = pthread_mutex_lock(mut); \
printf("%16s(%s:%d): (thread:%"PRIuMAX") locked mutex %p ret %" PRId32 "\n", __FUNCTION__, __FILE__, __LINE__, (uintmax_t)pthread_self(), mut, retl); \
if (retl != 0) { \
switch (retl) { \
case EINVAL: \
printf("The value specified by attr is invalid\n"); \
retl = pthread_mutex_init(mut, NULL); \
if (retl != 0) \
exit(EXIT_FAILURE); \
retl = pthread_mutex_lock(mut); \
break; \
case EDEADLK: \
printf("A deadlock would occur if the thread blocked waiting for mutex\n"); \
break; \
} \
} \
retl; \
})
#define SCMutexTrylock_dbg(mut) ({ \
printf("%16s(%s:%d): (thread:%"PRIuMAX") trylocking mutex %p\n", __FUNCTION__, __FILE__, __LINE__, (uintmax_t)pthread_self(), mut); \
int rett = pthread_mutex_trylock(mut); \
printf("%16s(%s:%d): (thread:%"PRIuMAX") trylocked mutex %p ret %" PRId32 "\n", __FUNCTION__, __FILE__, __LINE__, (uintmax_t)pthread_self(), mut, rett); \
if (rett != 0) { \
switch (rett) { \
case EINVAL: \
printf("%16s(%s:%d): The value specified by attr is invalid\n", __FUNCTION__, __FILE__, __LINE__); \
break; \
case EBUSY: \
printf("Mutex is already locked\n"); \
break; \
} \
} \
rett; \
})
#define SCMutexInit_dbg(mut, mutattr) ({ \
int ret; \
ret = pthread_mutex_init(mut, mutattr); \
if (ret != 0) { \
switch (ret) { \
case EINVAL: \
printf("The value specified by attr is invalid\n"); \
printf("%16s(%s:%d): (thread:%"PRIuMAX") mutex %p initialization returned %" PRId32 "\n", __FUNCTION__, __FILE__, __LINE__, (uintmax_t)pthread_self(), mut, ret); \
break; \
case EAGAIN: \
printf("The system temporarily lacks the resources to create another mutex\n"); \
printf("%16s(%s:%d): (thread:%"PRIuMAX") mutex %p initialization returned %" PRId32 "\n", __FUNCTION__, __FILE__, __LINE__, (uintmax_t)pthread_self(), mut, ret); \
break; \
case ENOMEM: \
printf("The process cannot allocate enough memory to create another mutex\n"); \
printf("%16s(%s:%d): (thread:%"PRIuMAX") mutex %p initialization returned %" PRId32 "\n", __FUNCTION__, __FILE__, __LINE__, (uintmax_t)pthread_self(), mut, ret); \
break; \
} \
} \
ret; \
})
#define SCMutexUnlock_dbg(mut) ({ \
printf("%16s(%s:%d): (thread:%"PRIuMAX") unlocking mutex %p\n", __FUNCTION__, __FILE__, __LINE__, (uintmax_t)pthread_self(), mut); \
int retu = pthread_mutex_unlock(mut); \
printf("%16s(%s:%d): (thread:%"PRIuMAX") unlocked mutex %p ret %" PRId32 "\n", __FUNCTION__, __FILE__, __LINE__, (uintmax_t)pthread_self(), mut, retu); \
if (retu != 0) { \
switch (retu) { \
case EINVAL: \
printf("%16s(%s:%d): The value specified by attr is invalid\n", __FUNCTION__, __FILE__, __LINE__); \
break; \
case EPERM: \
printf("The current thread does not hold a lock on mutex\n"); \
break; \
} \
} \
retu; \
})
#define SCMutex pthread_mutex_t
#define SCMutexAttr pthread_mutexattr_t
#define SCMutexInit(mut, mutattrs) SCMutexInit_dbg(mut, mutattrs)
#define SCMutexLock(mut) SCMutexLock_dbg(mut)
#define SCMutexTrylock(mut) SCMutexTrylock_dbg(mut)
#define SCMutexUnlock(mut) SCMutexUnlock_dbg(mut)
#define SCMutexDestroy pthread_mutex_destroy
#define SCMUTEX_INITIALIZER PTHREAD_MUTEX_INITIALIZER
/* conditions */
#define SCCondWait_dbg(cond, mut) ({ \
int ret = pthread_cond_wait(cond, mut); \
switch (ret) { \
case EINVAL: \
printf("The value specified by attr is invalid (or a SCCondT not initialized!)\n"); \
printf("%16s(%s:%d): (thread:%"PRIuMAX") failed SCCondWait %p ret %" PRId32 "\n", __FUNCTION__, __FILE__, __LINE__, (uintmax_t)pthread_self(), mut, ret); \
break; \
} \
ret; \
})
/* conditions */
#define SCCondT pthread_cond_t
#define SCCondInit pthread_cond_init
#define SCCondSignal pthread_cond_signal
#define SCCondDestroy pthread_cond_destroy
#define SCCondWait SCCondWait_dbg
/* spinlocks */
#define SCSpinLock_dbg(spin) ({ \
printf("%16s(%s:%d): (thread:%"PRIuMAX") locking spin %p\n", __FUNCTION__, __FILE__, __LINE__, (uintmax_t)pthread_self(), spin); \
int ret = pthread_spin_lock(spin); \
printf("%16s(%s:%d): (thread:%"PRIuMAX") unlocked spin %p ret %" PRId32 "\n", __FUNCTION__, __FILE__, __LINE__, (uintmax_t)pthread_self(), spin, ret); \
switch (ret) { \
case EINVAL: \
printf("The value specified by attr is invalid\n"); \
break; \
case EDEADLK: \
printf("A deadlock would occur if the thread blocked waiting for spin\n"); \
break; \
} \
ret; \
})
#define SCSpinTrylock_dbg(spin) ({ \
printf("%16s(%s:%d): (thread:%"PRIuMAX") trylocking spin %p\n", __FUNCTION__, __FILE__, __LINE__, (uintmax_t)pthread_self(), spin); \
int ret = pthread_spin_trylock(spin); \
printf("%16s(%s:%d): (thread:%"PRIuMAX") trylocked spin %p ret %" PRId32 "\n", __FUNCTION__, __FILE__, __LINE__, (uintmax_t)pthread_self(), spin, ret); \
switch (ret) { \
case EINVAL: \
printf("The value specified by attr is invalid\n"); \
break; \
case EDEADLK: \
printf("A deadlock would occur if the thread blocked waiting for spin\n"); \
break; \
case EBUSY: \
printf("A thread currently holds the lock\n"); \
break; \
} \
ret; \
})
#define SCSpinUnlock_dbg(spin) ({ \
printf("%16s(%s:%d): (thread:%"PRIuMAX") unlocking spin %p\n", __FUNCTION__, __FILE__, __LINE__, (uintmax_t)pthread_self(), spin); \
int ret = pthread_spin_unlock(spin); \
printf("%16s(%s:%d): (thread:%"PRIuMAX") unlockedspin %p ret %" PRId32 "\n", __FUNCTION__, __FILE__, __LINE__, (uintmax_t)pthread_self(), spin, ret); \
switch (ret) { \
case EINVAL: \
printf("The value specified by attr is invalid\n"); \
break; \
case EPERM: \
printf("The calling thread does not hold the lock\n"); \
break; \
} \
ret; \
})
#define SCSpinInit_dbg(spin, spin_attr) ({ \
int ret = pthread_spin_init(spin, spin_attr); \
printf("%16s(%s:%d): (thread:%"PRIuMAX") spinlock %p initialization returned %" PRId32 "\n", __FUNCTION__, __FILE__, __LINE__, (uintmax_t)pthread_self(), spin, ret); \
switch (ret) { \
case EINVAL: \
printf("The value specified by attr is invalid\n"); \
break; \
case EBUSY: \
printf("A thread currently holds the lock\n"); \
break; \
case ENOMEM: \
printf("The process cannot allocate enough memory to create another spin\n"); \
break; \
case EAGAIN: \
printf("The system temporarily lacks the resources to create another spin\n"); \
break; \
} \
ret; \
})
#define SCSpinDestroy_dbg(spin) ({ \
printf("%16s(%s:%d): (thread:%"PRIuMAX") condition %p waiting\n", __FUNCTION__, __FILE__, __LINE__, (uintmax_t)pthread_self(), spin); \
int ret = pthread_spin_destroy(spin); \
printf("%16s(%s:%d): (thread:%"PRIuMAX") condition %p passed %" PRId32 "\n", __FUNCTION__, __FILE__, __LINE__, (uintmax_t)pthread_self(), spin, ret); \
switch (ret) { \
case EINVAL: \
printf("The value specified by attr is invalid\n"); \
break; \
case EBUSY: \
printf("A thread currently holds the lock\n"); \
break; \
case ENOMEM: \
printf("The process cannot allocate enough memory to create another spin\n"); \
break; \
case EAGAIN: \
printf("The system temporarily lacks the resources to create another spin\n"); \
break; \
} \
ret; \
})
#define SCSpinlock pthread_spinlock_t
#define SCSpinLock SCSpinLock_dbg
#define SCSpinTrylock SCSpinTrylock_dbg
#define SCSpinUnlock SCSpinUnlock_dbg
#define SCSpinInit SCSpinInit_dbg
#define SCSpinDestroy SCSpinDestroy_dbg
/* rwlocks */
/** When dbg threads is defined, if a rwlock fail to lock, it's
* initialized, logged, and does a second try; This is to prevent the system to freeze;
* If you see a rwlock, spinlock or condiion not initialized, report it please!
*/
#define SCRWLockRDLock_dbg(rwl) ({ \
printf("%16s(%s:%d): (thread:%"PRIuMAX") locking rwlock %p\n", __FUNCTION__, __FILE__, __LINE__, (uintmax_t)pthread_self(), rwl); \
int retl = pthread_rwlock_rdlock(rwl); \
printf("%16s(%s:%d): (thread:%"PRIuMAX") locked rwlock %p ret %" PRId32 "\n", __FUNCTION__, __FILE__, __LINE__, (uintmax_t)pthread_self(), rwl, retl); \
if (retl != 0) { \
switch (retl) { \
case EINVAL: \
printf("The value specified by attr is invalid\n"); \
retl = pthread_rwlock_init(rwl, NULL); \
if (retl != 0) \
exit(EXIT_FAILURE); \
retl = pthread_rwlock_rdlock(rwl); \
break; \
case EDEADLK: \
printf("A deadlock would occur if the thread blocked waiting for rwlock\n"); \
break; \
} \
} \
retl; \
})
#define SCRWLockWRLock_dbg(rwl) ({ \
printf("%16s(%s:%d): (thread:%"PRIuMAX") locking rwlock %p\n", __FUNCTION__, __FILE__, __LINE__, (uintmax_t)pthread_self(), rwl); \
int retl = pthread_rwlock_wrlock(rwl); \
printf("%16s(%s:%d): (thread:%"PRIuMAX") locked rwlock %p ret %" PRId32 "\n", __FUNCTION__, __FILE__, __LINE__, (uintmax_t)pthread_self(), rwl, retl); \
if (retl != 0) { \
switch (retl) { \
case EINVAL: \
printf("The value specified by attr is invalid\n"); \
retl = pthread_rwlock_init(rwl, NULL); \
if (retl != 0) \
exit(EXIT_FAILURE); \
retl = pthread_rwlock_wrlock(rwl); \
break; \
case EDEADLK: \
printf("A deadlock would occur if the thread blocked waiting for rwlock\n"); \
break; \
} \
} \
retl; \
})
#define SCRWLockTryWRLock_dbg(rwl) ({ \
printf("%16s(%s:%d): (thread:%"PRIuMAX") trylocking rwlock %p\n", __FUNCTION__, __FILE__, __LINE__, (uintmax_t)pthread_self(), rwl); \
int rett = pthread_rwlock_trywrlock(rwl); \
printf("%16s(%s:%d): (thread:%"PRIuMAX") trylocked rwlock %p ret %" PRId32 "\n", __FUNCTION__, __FILE__, __LINE__, (uintmax_t)pthread_self(), rwl, rett); \
if (rett != 0) { \
switch (rett) { \
case EINVAL: \
printf("%16s(%s:%d): The value specified by attr is invalid\n", __FUNCTION__, __FILE__, __LINE__); \
break; \
case EBUSY: \
printf("RWLock is already locked\n"); \
break; \
} \
} \
rett; \
})
#define SCRWLockTryRDLock_dbg(rwl) ({ \
printf("%16s(%s:%d): (thread:%"PRIuMAX") trylocking rwlock %p\n", __FUNCTION__, __FILE__, __LINE__, (uintmax_t)pthread_self(), rwl); \
int rett = pthread_rwlock_tryrdlock(rwl); \
printf("%16s(%s:%d): (thread:%"PRIuMAX") trylocked rwlock %p ret %" PRId32 "\n", __FUNCTION__, __FILE__, __LINE__, (uintmax_t)pthread_self(), rwl, rett); \
if (rett != 0) { \
switch (rett) { \
case EINVAL: \
printf("%16s(%s:%d): The value specified by attr is invalid\n", __FUNCTION__, __FILE__, __LINE__); \
break; \
case EBUSY: \
printf("RWLock is already locked\n"); \
break; \
} \
} \
rett; \
})
#define SCRWLockInit_dbg(rwl, rwlattr) ({ \
int ret; \
ret = pthread_rwlock_init(rwl, rwlattr); \
if (ret != 0) { \
switch (ret) { \
case EINVAL: \
printf("The value specified by attr is invalid\n"); \
printf("%16s(%s:%d): (thread:%"PRIuMAX") rwlock %p initialization returned %" PRId32 "\n", __FUNCTION__, __FILE__, __LINE__, (uintmax_t)pthread_self(), rwl, ret); \
break; \
case EAGAIN: \
printf("The system temporarily lacks the resources to create another rwlock\n"); \
printf("%16s(%s:%d): (thread:%"PRIuMAX") rwlock %p initialization returned %" PRId32 "\n", __FUNCTION__, __FILE__, __LINE__, (uintmax_t)pthread_self(), rwl, ret); \
break; \
case ENOMEM: \
printf("The process cannot allocate enough memory to create another rwlock\n"); \
printf("%16s(%s:%d): (thread:%"PRIuMAX") rwlock %p initialization returned %" PRId32 "\n", __FUNCTION__, __FILE__, __LINE__, (uintmax_t)pthread_self(), rwl, ret); \
break; \
} \
} \
ret; \
})
#define SCRWLockUnlock_dbg(rwl) ({ \
printf("%16s(%s:%d): (thread:%"PRIuMAX") unlocking rwlock %p\n", __FUNCTION__, __FILE__, __LINE__, (uintmax_t)pthread_self(), rwl); \
int retu = pthread_rwlock_unlock(rwl); \
printf("%16s(%s:%d): (thread:%"PRIuMAX") unlocked rwlock %p ret %" PRId32 "\n", __FUNCTION__, __FILE__, __LINE__, (uintmax_t)pthread_self(), rwl, retu); \
if (retu != 0) { \
switch (retu) { \
case EINVAL: \
printf("%16s(%s:%d): The value specified by attr is invalid\n", __FUNCTION__, __FILE__, __LINE__); \
break; \
case EPERM: \
printf("The current thread does not hold a lock on rwlock\n"); \
break; \
} \
} \
retu; \
})
#define SCRWLock pthread_rwlock_t
#define SCRWLockInit(rwl, rwlattrs) SCRWLockInit_dbg(rwl, rwlattrs)
#define SCRWLockRDLock(rwl) SCRWLockRDLock_dbg(rwl)
#define SCRWLockWRLock(rwl) SCRWLockWRLock_dbg(rwl)
#define SCRWLockTryWRLock(rwl) SCRWLockTryWRLock_dbg(rwl)
#define SCRWLockTryRDLock(rwl) SCRWLockTryRDLock_dbg(rwl)
#define SCRWLockUnlock(rwl) SCRWLockUnlock_dbg(rwl)
#define SCRWLockDestroy pthread_rwlock_destroy
/* ctrl mutex */
#define SCCtrlMutex pthread_mutex_t
#define SCCtrlMutexAttr pthread_mutexattr_t
#define SCCtrlMutexInit(mut, mutattr ) pthread_mutex_init(mut, mutattr)
#define SCCtrlMutexLock(mut) pthread_mutex_lock(mut)
#define SCCtrlMutexTrylock(mut) pthread_mutex_trylock(mut)
#define SCCtrlMutexUnlock(mut) pthread_mutex_unlock(mut)
#define SCCtrlMutexDestroy pthread_mutex_destroy
/* ctrl conditions */
#define SCCtrlCondT pthread_cond_t
#define SCCtrlCondInit pthread_cond_init
#define SCCtrlCondSignal pthread_cond_signal
#define SCCtrlCondTimedwait pthread_cond_timedwait
#define SCCtrlCondWait pthread_cond_wait
#define SCCtrlCondDestroy pthread_cond_destroy
#endif
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