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390 lines
16 KiB
C
390 lines
16 KiB
C
/* Copyright (C) 2007-2013 Open Information Security Foundation
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*
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* You can copy, redistribute or modify this Program under the terms of
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* the GNU General Public License version 2 as published by the Free
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* Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* version 2 along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*/
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/**
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* \file
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*
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* \author Victor Julien <victor@inliniac.net>
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* \author Pablo Rincon Crespo <pablo.rincon.crespo@gmail.com>
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*
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* Threading functions defined as macros: debug variants
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*/
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#ifndef __THREADS_DEBUG_H__
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#define __THREADS_DEBUG_H__
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/* mutex */
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/** When dbg threads is defined, if a mutex fail to lock, it's
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* initialized, logged, and does a second try; This is to prevent the system to freeze;
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* It is for Mac OS X users;
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* If you see a mutex, spinlock or condiion not initialized, report it please!
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*/
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#define SCMutexLock_dbg(mut) ({ \
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printf("%16s(%s:%d): (thread:%"PRIuMAX") locking mutex %p\n", __FUNCTION__, __FILE__, __LINE__, (uintmax_t)pthread_self(), mut); \
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int retl = pthread_mutex_lock(mut); \
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printf("%16s(%s:%d): (thread:%"PRIuMAX") locked mutex %p ret %" PRId32 "\n", __FUNCTION__, __FILE__, __LINE__, (uintmax_t)pthread_self(), mut, retl); \
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if (retl != 0) { \
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switch (retl) { \
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case EINVAL: \
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printf("The value specified by attr is invalid\n"); \
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retl = pthread_mutex_init(mut, NULL); \
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if (retl != 0) \
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exit(EXIT_FAILURE); \
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retl = pthread_mutex_lock(mut); \
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break; \
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case EDEADLK: \
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printf("A deadlock would occur if the thread blocked waiting for mutex\n"); \
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break; \
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} \
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} \
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retl; \
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})
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#define SCMutexTrylock_dbg(mut) ({ \
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printf("%16s(%s:%d): (thread:%"PRIuMAX") trylocking mutex %p\n", __FUNCTION__, __FILE__, __LINE__, (uintmax_t)pthread_self(), mut); \
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int rett = pthread_mutex_trylock(mut); \
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printf("%16s(%s:%d): (thread:%"PRIuMAX") trylocked mutex %p ret %" PRId32 "\n", __FUNCTION__, __FILE__, __LINE__, (uintmax_t)pthread_self(), mut, rett); \
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if (rett != 0) { \
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switch (rett) { \
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case EINVAL: \
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printf("%16s(%s:%d): The value specified by attr is invalid\n", __FUNCTION__, __FILE__, __LINE__); \
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break; \
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case EBUSY: \
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printf("Mutex is already locked\n"); \
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break; \
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} \
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} \
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rett; \
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})
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#define SCMutexInit_dbg(mut, mutattr) ({ \
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int ret; \
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ret = pthread_mutex_init(mut, mutattr); \
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if (ret != 0) { \
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switch (ret) { \
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case EINVAL: \
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printf("The value specified by attr is invalid\n"); \
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printf("%16s(%s:%d): (thread:%"PRIuMAX") mutex %p initialization returned %" PRId32 "\n", __FUNCTION__, __FILE__, __LINE__, (uintmax_t)pthread_self(), mut, ret); \
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break; \
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case EAGAIN: \
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printf("The system temporarily lacks the resources to create another mutex\n"); \
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printf("%16s(%s:%d): (thread:%"PRIuMAX") mutex %p initialization returned %" PRId32 "\n", __FUNCTION__, __FILE__, __LINE__, (uintmax_t)pthread_self(), mut, ret); \
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break; \
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case ENOMEM: \
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printf("The process cannot allocate enough memory to create another mutex\n"); \
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printf("%16s(%s:%d): (thread:%"PRIuMAX") mutex %p initialization returned %" PRId32 "\n", __FUNCTION__, __FILE__, __LINE__, (uintmax_t)pthread_self(), mut, ret); \
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break; \
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} \
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} \
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ret; \
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})
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#define SCMutexUnlock_dbg(mut) ({ \
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printf("%16s(%s:%d): (thread:%"PRIuMAX") unlocking mutex %p\n", __FUNCTION__, __FILE__, __LINE__, (uintmax_t)pthread_self(), mut); \
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int retu = pthread_mutex_unlock(mut); \
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printf("%16s(%s:%d): (thread:%"PRIuMAX") unlocked mutex %p ret %" PRId32 "\n", __FUNCTION__, __FILE__, __LINE__, (uintmax_t)pthread_self(), mut, retu); \
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if (retu != 0) { \
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switch (retu) { \
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case EINVAL: \
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printf("%16s(%s:%d): The value specified by attr is invalid\n", __FUNCTION__, __FILE__, __LINE__); \
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break; \
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case EPERM: \
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printf("The current thread does not hold a lock on mutex\n"); \
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break; \
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} \
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} \
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retu; \
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})
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#define SCMutex pthread_mutex_t
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#define SCMutexAttr pthread_mutexattr_t
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#define SCMutexInit(mut, mutattrs) SCMutexInit_dbg(mut, mutattrs)
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#define SCMutexLock(mut) SCMutexLock_dbg(mut)
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#define SCMutexTrylock(mut) SCMutexTrylock_dbg(mut)
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#define SCMutexUnlock(mut) SCMutexUnlock_dbg(mut)
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#define SCMutexDestroy pthread_mutex_destroy
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#define SCMUTEX_INITIALIZER PTHREAD_MUTEX_INITIALIZER
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/* conditions */
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#define SCCondWait_dbg(cond, mut) ({ \
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int ret = pthread_cond_wait(cond, mut); \
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switch (ret) { \
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case EINVAL: \
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printf("The value specified by attr is invalid (or a SCCondT not initialized!)\n"); \
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printf("%16s(%s:%d): (thread:%"PRIuMAX") failed SCCondWait %p ret %" PRId32 "\n", __FUNCTION__, __FILE__, __LINE__, (uintmax_t)pthread_self(), mut, ret); \
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break; \
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} \
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ret; \
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})
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/* conditions */
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#define SCCondT pthread_cond_t
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#define SCCondInit pthread_cond_init
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#define SCCondSignal pthread_cond_signal
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#define SCCondDestroy pthread_cond_destroy
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#define SCCondWait SCCondWait_dbg
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/* spinlocks */
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#define SCSpinLock_dbg(spin) ({ \
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printf("%16s(%s:%d): (thread:%"PRIuMAX") locking spin %p\n", __FUNCTION__, __FILE__, __LINE__, (uintmax_t)pthread_self(), spin); \
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int ret = pthread_spin_lock(spin); \
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printf("%16s(%s:%d): (thread:%"PRIuMAX") unlocked spin %p ret %" PRId32 "\n", __FUNCTION__, __FILE__, __LINE__, (uintmax_t)pthread_self(), spin, ret); \
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switch (ret) { \
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case EINVAL: \
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printf("The value specified by attr is invalid\n"); \
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break; \
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case EDEADLK: \
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printf("A deadlock would occur if the thread blocked waiting for spin\n"); \
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break; \
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} \
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ret; \
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})
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#define SCSpinTrylock_dbg(spin) ({ \
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printf("%16s(%s:%d): (thread:%"PRIuMAX") trylocking spin %p\n", __FUNCTION__, __FILE__, __LINE__, (uintmax_t)pthread_self(), spin); \
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int ret = pthread_spin_trylock(spin); \
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printf("%16s(%s:%d): (thread:%"PRIuMAX") trylocked spin %p ret %" PRId32 "\n", __FUNCTION__, __FILE__, __LINE__, (uintmax_t)pthread_self(), spin, ret); \
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switch (ret) { \
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case EINVAL: \
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printf("The value specified by attr is invalid\n"); \
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break; \
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case EDEADLK: \
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printf("A deadlock would occur if the thread blocked waiting for spin\n"); \
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break; \
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case EBUSY: \
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printf("A thread currently holds the lock\n"); \
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break; \
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} \
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ret; \
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})
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#define SCSpinUnlock_dbg(spin) ({ \
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printf("%16s(%s:%d): (thread:%"PRIuMAX") unlocking spin %p\n", __FUNCTION__, __FILE__, __LINE__, (uintmax_t)pthread_self(), spin); \
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int ret = pthread_spin_unlock(spin); \
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printf("%16s(%s:%d): (thread:%"PRIuMAX") unlockedspin %p ret %" PRId32 "\n", __FUNCTION__, __FILE__, __LINE__, (uintmax_t)pthread_self(), spin, ret); \
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switch (ret) { \
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case EINVAL: \
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printf("The value specified by attr is invalid\n"); \
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break; \
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case EPERM: \
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printf("The calling thread does not hold the lock\n"); \
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break; \
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} \
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ret; \
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})
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#define SCSpinInit_dbg(spin, spin_attr) ({ \
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int ret = pthread_spin_init(spin, spin_attr); \
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printf("%16s(%s:%d): (thread:%"PRIuMAX") spinlock %p initialization returned %" PRId32 "\n", __FUNCTION__, __FILE__, __LINE__, (uintmax_t)pthread_self(), spin, ret); \
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switch (ret) { \
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case EINVAL: \
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printf("The value specified by attr is invalid\n"); \
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break; \
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case EBUSY: \
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printf("A thread currently holds the lock\n"); \
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break; \
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case ENOMEM: \
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printf("The process cannot allocate enough memory to create another spin\n"); \
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break; \
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case EAGAIN: \
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printf("The system temporarily lacks the resources to create another spin\n"); \
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break; \
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} \
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ret; \
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})
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#define SCSpinDestroy_dbg(spin) ({ \
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printf("%16s(%s:%d): (thread:%"PRIuMAX") condition %p waiting\n", __FUNCTION__, __FILE__, __LINE__, (uintmax_t)pthread_self(), spin); \
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int ret = pthread_spin_destroy(spin); \
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printf("%16s(%s:%d): (thread:%"PRIuMAX") condition %p passed %" PRId32 "\n", __FUNCTION__, __FILE__, __LINE__, (uintmax_t)pthread_self(), spin, ret); \
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switch (ret) { \
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case EINVAL: \
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printf("The value specified by attr is invalid\n"); \
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break; \
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case EBUSY: \
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printf("A thread currently holds the lock\n"); \
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break; \
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case ENOMEM: \
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printf("The process cannot allocate enough memory to create another spin\n"); \
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break; \
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case EAGAIN: \
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printf("The system temporarily lacks the resources to create another spin\n"); \
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break; \
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} \
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ret; \
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})
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#define SCSpinlock pthread_spinlock_t
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#define SCSpinLock SCSpinLock_dbg
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#define SCSpinTrylock SCSpinTrylock_dbg
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#define SCSpinUnlock SCSpinUnlock_dbg
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#define SCSpinInit SCSpinInit_dbg
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#define SCSpinDestroy SCSpinDestroy_dbg
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/* rwlocks */
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/** When dbg threads is defined, if a rwlock fail to lock, it's
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* initialized, logged, and does a second try; This is to prevent the system to freeze;
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* If you see a rwlock, spinlock or condiion not initialized, report it please!
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*/
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#define SCRWLockRDLock_dbg(rwl) ({ \
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printf("%16s(%s:%d): (thread:%"PRIuMAX") locking rwlock %p\n", __FUNCTION__, __FILE__, __LINE__, (uintmax_t)pthread_self(), rwl); \
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int retl = pthread_rwlock_rdlock(rwl); \
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printf("%16s(%s:%d): (thread:%"PRIuMAX") locked rwlock %p ret %" PRId32 "\n", __FUNCTION__, __FILE__, __LINE__, (uintmax_t)pthread_self(), rwl, retl); \
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if (retl != 0) { \
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switch (retl) { \
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case EINVAL: \
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printf("The value specified by attr is invalid\n"); \
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retl = pthread_rwlock_init(rwl, NULL); \
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if (retl != 0) \
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exit(EXIT_FAILURE); \
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retl = pthread_rwlock_rdlock(rwl); \
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break; \
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case EDEADLK: \
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printf("A deadlock would occur if the thread blocked waiting for rwlock\n"); \
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break; \
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} \
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} \
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retl; \
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})
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#define SCRWLockWRLock_dbg(rwl) ({ \
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printf("%16s(%s:%d): (thread:%"PRIuMAX") locking rwlock %p\n", __FUNCTION__, __FILE__, __LINE__, (uintmax_t)pthread_self(), rwl); \
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int retl = pthread_rwlock_wrlock(rwl); \
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printf("%16s(%s:%d): (thread:%"PRIuMAX") locked rwlock %p ret %" PRId32 "\n", __FUNCTION__, __FILE__, __LINE__, (uintmax_t)pthread_self(), rwl, retl); \
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if (retl != 0) { \
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switch (retl) { \
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case EINVAL: \
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printf("The value specified by attr is invalid\n"); \
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retl = pthread_rwlock_init(rwl, NULL); \
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if (retl != 0) \
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exit(EXIT_FAILURE); \
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retl = pthread_rwlock_wrlock(rwl); \
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break; \
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case EDEADLK: \
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printf("A deadlock would occur if the thread blocked waiting for rwlock\n"); \
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break; \
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} \
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} \
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retl; \
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})
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#define SCRWLockTryWRLock_dbg(rwl) ({ \
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printf("%16s(%s:%d): (thread:%"PRIuMAX") trylocking rwlock %p\n", __FUNCTION__, __FILE__, __LINE__, (uintmax_t)pthread_self(), rwl); \
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int rett = pthread_rwlock_trywrlock(rwl); \
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printf("%16s(%s:%d): (thread:%"PRIuMAX") trylocked rwlock %p ret %" PRId32 "\n", __FUNCTION__, __FILE__, __LINE__, (uintmax_t)pthread_self(), rwl, rett); \
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if (rett != 0) { \
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switch (rett) { \
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case EINVAL: \
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printf("%16s(%s:%d): The value specified by attr is invalid\n", __FUNCTION__, __FILE__, __LINE__); \
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break; \
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case EBUSY: \
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printf("RWLock is already locked\n"); \
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break; \
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} \
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} \
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rett; \
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})
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#define SCRWLockTryRDLock_dbg(rwl) ({ \
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printf("%16s(%s:%d): (thread:%"PRIuMAX") trylocking rwlock %p\n", __FUNCTION__, __FILE__, __LINE__, (uintmax_t)pthread_self(), rwl); \
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int rett = pthread_rwlock_tryrdlock(rwl); \
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printf("%16s(%s:%d): (thread:%"PRIuMAX") trylocked rwlock %p ret %" PRId32 "\n", __FUNCTION__, __FILE__, __LINE__, (uintmax_t)pthread_self(), rwl, rett); \
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if (rett != 0) { \
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switch (rett) { \
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case EINVAL: \
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printf("%16s(%s:%d): The value specified by attr is invalid\n", __FUNCTION__, __FILE__, __LINE__); \
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break; \
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case EBUSY: \
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printf("RWLock is already locked\n"); \
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break; \
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} \
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} \
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rett; \
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})
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#define SCRWLockInit_dbg(rwl, rwlattr) ({ \
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int ret; \
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ret = pthread_rwlock_init(rwl, rwlattr); \
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if (ret != 0) { \
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switch (ret) { \
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case EINVAL: \
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printf("The value specified by attr is invalid\n"); \
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printf("%16s(%s:%d): (thread:%"PRIuMAX") rwlock %p initialization returned %" PRId32 "\n", __FUNCTION__, __FILE__, __LINE__, (uintmax_t)pthread_self(), rwl, ret); \
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break; \
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case EAGAIN: \
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printf("The system temporarily lacks the resources to create another rwlock\n"); \
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printf("%16s(%s:%d): (thread:%"PRIuMAX") rwlock %p initialization returned %" PRId32 "\n", __FUNCTION__, __FILE__, __LINE__, (uintmax_t)pthread_self(), rwl, ret); \
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break; \
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case ENOMEM: \
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printf("The process cannot allocate enough memory to create another rwlock\n"); \
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printf("%16s(%s:%d): (thread:%"PRIuMAX") rwlock %p initialization returned %" PRId32 "\n", __FUNCTION__, __FILE__, __LINE__, (uintmax_t)pthread_self(), rwl, ret); \
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break; \
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} \
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} \
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ret; \
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})
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#define SCRWLockUnlock_dbg(rwl) ({ \
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printf("%16s(%s:%d): (thread:%"PRIuMAX") unlocking rwlock %p\n", __FUNCTION__, __FILE__, __LINE__, (uintmax_t)pthread_self(), rwl); \
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int retu = pthread_rwlock_unlock(rwl); \
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printf("%16s(%s:%d): (thread:%"PRIuMAX") unlocked rwlock %p ret %" PRId32 "\n", __FUNCTION__, __FILE__, __LINE__, (uintmax_t)pthread_self(), rwl, retu); \
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if (retu != 0) { \
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switch (retu) { \
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case EINVAL: \
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printf("%16s(%s:%d): The value specified by attr is invalid\n", __FUNCTION__, __FILE__, __LINE__); \
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break; \
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case EPERM: \
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printf("The current thread does not hold a lock on rwlock\n"); \
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break; \
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} \
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} \
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retu; \
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})
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#define SCRWLock pthread_rwlock_t
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#define SCRWLockInit(rwl, rwlattrs) SCRWLockInit_dbg(rwl, rwlattrs)
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#define SCRWLockRDLock(rwl) SCRWLockRDLock_dbg(rwl)
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#define SCRWLockWRLock(rwl) SCRWLockWRLock_dbg(rwl)
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#define SCRWLockTryWRLock(rwl) SCRWLockTryWRLock_dbg(rwl)
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#define SCRWLockTryRDLock(rwl) SCRWLockTryRDLock_dbg(rwl)
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#define SCRWLockUnlock(rwl) SCRWLockUnlock_dbg(rwl)
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#define SCRWLockDestroy pthread_rwlock_destroy
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/* ctrl mutex */
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#define SCCtrlMutex pthread_mutex_t
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#define SCCtrlMutexAttr pthread_mutexattr_t
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#define SCCtrlMutexInit(mut, mutattr ) pthread_mutex_init(mut, mutattr)
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#define SCCtrlMutexLock(mut) pthread_mutex_lock(mut)
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#define SCCtrlMutexTrylock(mut) pthread_mutex_trylock(mut)
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#define SCCtrlMutexUnlock(mut) pthread_mutex_unlock(mut)
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#define SCCtrlMutexDestroy pthread_mutex_destroy
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/* ctrl conditions */
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#define SCCtrlCondT pthread_cond_t
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#define SCCtrlCondInit pthread_cond_init
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#define SCCtrlCondSignal pthread_cond_signal
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#define SCCtrlCondTimedwait pthread_cond_timedwait
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#define SCCtrlCondWait pthread_cond_wait
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#define SCCtrlCondDestroy pthread_cond_destroy
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#endif
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