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https://gitlab.xiph.org/xiph/icecast-server.git
synced 2024-09-29 04:25:55 -04:00
checkin compile conditional work, reduce stack allocations to keep in sync with trunk
svn path=/icecast/branches/kh/thread/; revision=10022
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27933b0e77
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8484f7456c
@ -28,15 +28,12 @@
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#include <time.h>
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#include <sys/types.h>
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#include <pthread.h>
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#ifndef _WIN32
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#include <unistd.h>
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#include <sys/time.h>
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#else
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#include <windows.h>
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#include <winbase.h>
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#include <implement.h>
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#endif
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#include <signal.h>
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@ -68,6 +65,7 @@
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#define LOG_INFO5(y, z1, z2, z3, z4, z5) log_write(_logid, 3, CATMODULE "/", __FUNCTION__, y, z1, z2, z3, z4, z5)
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#define LOG_DEBUG(y) log_write(_logid, 4, CATMODULE "/", __FUNCTION__, y)
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#define LOG_DEBUG1(y, z1) log_write(_logid, 4, CATMODULE "/", __FUNCTION__, y, z1)
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#define LOG_DEBUG2(y, z1, z2) log_write(_logid, 4, CATMODULE "/", __FUNCTION__, y, z1, z2)
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#define LOG_DEBUG3(y, z1, z2, z3) log_write(_logid, 4, CATMODULE "/", __FUNCTION__, y, z1, z2, z3)
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#define LOG_DEBUG4(y, z1, z2, z3, z4) log_write(_logid, 4, CATMODULE "/", __FUNCTION__, y, z1, z2, z3, z4)
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@ -112,12 +110,9 @@ static int _logid = -1;
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static long _next_mutex_id = 0;
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static avl_tree *_mutextree = NULL;
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static mutex_t _threadtree_mutex = { -1, "unset", MUTEX_STATE_UNINIT,
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(unsigned long long)0, NULL, -1, PTHREAD_MUTEX_INITIALIZER};
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static mutex_t _mutextree_mutex = { -1, "unset", MUTEX_STATE_UNINIT,
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(unsigned long long)0, NULL, -1, PTHREAD_MUTEX_INITIALIZER};
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static mutex_t _library_mutex = { -1, NULL, MUTEX_STATE_UNINIT,
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(unsigned long long)0, NULL, -1, PTHREAD_MUTEX_INITIALIZER};
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static mutex_t _threadtree_mutex;
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static mutex_t _mutextree_mutex;
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static mutex_t _library_mutex;
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static int _compare_mutexes(void *compare_arg, void *a, void *b);
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static int _free_mutex(void *key);
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@ -301,6 +296,7 @@ thread_type *thread_create_c(char *name, void *(*start_routine)(void *),
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start->arg = arg;
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start->thread = thread;
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pthread_attr_setstacksize (&attr, 512*1024);
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pthread_attr_setinheritsched (&attr, PTHREAD_INHERIT_SCHED);
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if (detached)
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{
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@ -363,10 +359,10 @@ void thread_mutex_destroy (mutex_t *mutex)
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pthread_mutex_destroy(&mutex->sys_mutex);
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#ifdef THREAD_DEBUG
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free (mutex->file);
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_mutex_lock(&_mutextree_mutex);
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avl_delete(_mutextree, mutex, _free_mutex);
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_mutex_unlock(&_mutextree_mutex);
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free (mutex->name);
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#endif
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}
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@ -435,29 +431,46 @@ void thread_cond_wait_c(cond_t *cond, int line, char *file)
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pthread_mutex_unlock(&cond->cond_mutex);
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}
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void thread_rwlock_create_c(rwlock_t *rwlock, int line, char *file)
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void thread_rwlock_create_c(const char *name, rwlock_t *rwlock, int line, const char *file)
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{
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pthread_rwlock_init(&rwlock->sys_rwlock, NULL);
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#ifdef THREAD_DEBUG
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rwlock->name = strdup (name);
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LOG_DEBUG3 ("rwlock %s created (%s:%d)", rwlock->name, file, line);
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#endif
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}
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void thread_rwlock_destroy(rwlock_t *rwlock)
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{
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pthread_rwlock_destroy(&rwlock->sys_rwlock);
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#ifdef THREAD_DEBUG
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LOG_DEBUG1 ("rwlock %s destroyed", rwlock->name);
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free (rwlock->name);
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#endif
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}
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void thread_rwlock_rlock_c(rwlock_t *rwlock, int line, char *file)
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void thread_rwlock_rlock_c(rwlock_t *rwlock, int line, const char *file)
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{
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#ifdef THREAD_DEBUG
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LOG_DEBUG3("rLock on %s requested at %s:%d", rwlock->name, file, line);
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#endif
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pthread_rwlock_rdlock(&rwlock->sys_rwlock);
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}
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void thread_rwlock_wlock_c(rwlock_t *rwlock, int line, char *file)
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void thread_rwlock_wlock_c(rwlock_t *rwlock, int line, const char *file)
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{
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#ifdef THREAD_DEBUG
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LOG_DEBUG3("wLock on %s requested at %s:%d", rwlock->name, file, line);
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#endif
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pthread_rwlock_wrlock(&rwlock->sys_rwlock);
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}
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void thread_rwlock_unlock_c(rwlock_t *rwlock, int line, char *file)
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void thread_rwlock_unlock_c(rwlock_t *rwlock, int line, const char *file)
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{
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pthread_rwlock_unlock(&rwlock->sys_rwlock);
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#ifdef THREAD_DEBUG
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LOG_DEBUG3 ("rwlock %s, at %s:%d", rwlock->name, file, line);
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#endif
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}
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void thread_exit_c(long val, int line, char *file)
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@ -487,7 +500,7 @@ void thread_exit_c(long val, int line, char *file)
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}
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#endif
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#ifdef __OpenBSD__
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thread->running = 0;
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th->running = 0;
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#endif
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if (th && th->detached)
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@ -563,7 +576,7 @@ static void *_start_routine(void *arg)
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(start_routine)(real_arg);
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#ifdef __OpenBSD__
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thread->running = 0;
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th->running = 0;
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#endif
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if (thread->detached)
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194
src/thread/thread.h
Normal file
194
src/thread/thread.h
Normal file
@ -0,0 +1,194 @@
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/* thread.h
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* - Thread Abstraction Function Headers
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*
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* Copyright (c) 1999, 2000 the icecast team <team@icecast.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the Free
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef __THREAD_H__
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#define __THREAD_H__
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#include <pthread.h>
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/* renamed from thread_t due to conflict on OS X */
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typedef struct {
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/* the local id for the thread, and it's name */
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long thread_id;
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char *name;
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/* the time the thread was created */
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time_t create_time;
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/* the file and line which created this thread */
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char *file;
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int line;
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/* is the thread running detached? */
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int detached;
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#ifdef __OpenBSD__
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int running;
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#endif
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/* the system specific thread */
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pthread_t sys_thread;
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} thread_type;
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typedef struct {
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#ifdef THREAD_DEBUG
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/* the local id and name of the mutex */
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long mutex_id;
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char *name;
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/* the thread which is currently locking this mutex */
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long thread_id;
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/* time the lock was taken */
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unsigned long long lock_start;
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/* the file and line where the mutex was locked */
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char *file;
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int line;
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#endif
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/* the system specific mutex */
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pthread_mutex_t sys_mutex;
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} mutex_t;
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typedef struct {
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#ifdef THREAD_DEBUG
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long cond_id;
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char *name;
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#endif
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pthread_mutex_t cond_mutex;
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pthread_cond_t sys_cond;
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} cond_t;
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typedef struct {
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#ifdef THREAD_DEBUG
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long rwlock_id;
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char *name;
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/* information on which thread and where in the code
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** this rwlock was write locked
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*/
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long thread_id;
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char *file;
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int line;
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/* time the lock was taken */
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unsigned long long lock_start;
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#endif
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pthread_rwlock_t sys_rwlock;
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} rwlock_t;
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#define thread_create(n,x,y,z) thread_create_c(n,x,y,z,__LINE__,__FILE__)
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#define thread_mutex_create(name,x) thread_mutex_create_c(name,x,__LINE__,__FILE__)
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#define thread_mutex_lock(x) thread_mutex_lock_c(x,__LINE__,__FILE__)
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#define thread_mutex_unlock(x) thread_mutex_unlock_c(x,__LINE__,__FILE__)
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#define thread_cond_create(x) thread_cond_create_c(x,__LINE__,__FILE__)
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#define thread_cond_signal(x) thread_cond_signal_c(x,__LINE__,__FILE__)
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#define thread_cond_broadcast(x) thread_cond_broadcast_c(x,__LINE__,__FILE__)
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#define thread_cond_wait(x) thread_cond_wait_c(x,__LINE__,__FILE__)
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#define thread_cond_timedwait(x,t) thread_cond_wait_c(x,t,__LINE__,__FILE__)
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#define thread_rwlock_create(x) thread_rwlock_create_c(__FILE__,(x),__LINE__,__FILE__)
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#define thread_rwlock_rlock(x) thread_rwlock_rlock_c(x,__LINE__,__FILE__)
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#define thread_rwlock_wlock(x) thread_rwlock_wlock_c(x,__LINE__,__FILE__)
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#define thread_rwlock_unlock(x) thread_rwlock_unlock_c(x,__LINE__,__FILE__)
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#define thread_exit(x) thread_exit_c(x,__LINE__,__FILE__)
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#define MUTEX_STATE_NOTLOCKED -1
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#define MUTEX_STATE_NEVERLOCKED -2
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#define MUTEX_STATE_UNINIT -3
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#define THREAD_DETACHED 1
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#define THREAD_ATTACHED 0
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#ifdef _mangle
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# define thread_initialize _mangle(thread_initialize)
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# define thread_initialize_with_log_id _mangle(thread_initialize_with_log_id)
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# define thread_shutdown _mangle(thread_shutdown)
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# define thread_create_c _mangle(thread_create_c)
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# define thread_mutex_create_c _mangle(thread_mutex_create)
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# define thread_mutex_lock_c _mangle(thread_mutex_lock_c)
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# define thread_mutex_unlock_c _mangle(thread_mutex_unlock_c)
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# define thread_mutex_destroy _mangle(thread_mutex_destroy)
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# define thread_cond_create_c _mangle(thread_cond_create_c)
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# define thread_cond_signal_c _mangle(thread_cond_signal_c)
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# define thread_cond_broadcast_c _mangle(thread_cond_broadcast_c)
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# define thread_cond_wait_c _mangle(thread_cond_wait_c)
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# define thread_cond_timedwait_c _mangle(thread_cond_timedwait_c)
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# define thread_cond_destroy _mangle(thread_cond_destroy)
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# define thread_rwlock_create_c _mangle(thread_rwlock_create_c)
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# define thread_rwlock_rlock_c _mangle(thread_rwlock_rlock_c)
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# define thread_rwlock_wlock_c _mangle(thread_rwlock_wlock_c)
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# define thread_rwlock_unlock_c _mangle(thread_rwlock_unlock_c)
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# define thread_rwlock_destroy _mangle(thread_rwlock_destroy)
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# define thread_exit_c _mangle(thread_exit_c)
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# define thread_sleep _mangle(thread_sleep)
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# define thread_library_lock _mangle(thread_library_lock)
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# define thread_library_unlock _mangle(thread_library_unlock)
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# define thread_self _mangle(thread_self)
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# define thread_rename _mangle(thread_rename)
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# define thread_join _mangle(thread_join)
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#endif
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/* init/shutdown of the library */
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void thread_initialize(void);
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void thread_initialize_with_log_id(int log_id);
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void thread_shutdown(void);
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/* creation, destruction, locking, unlocking, signalling and waiting */
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thread_type *thread_create_c(char *name, void *(*start_routine)(void *),
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void *arg, int detached, int line, char *file);
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void thread_mutex_create_c(const char *name, mutex_t *mutex, int line, const char *file);
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void thread_mutex_lock_c(mutex_t *mutex, int line, char *file);
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void thread_mutex_unlock_c(mutex_t *mutex, int line, char *file);
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void thread_mutex_destroy(mutex_t *mutex);
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void thread_cond_create_c(cond_t *cond, int line, char *file);
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void thread_cond_signal_c(cond_t *cond, int line, char *file);
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void thread_cond_broadcast_c(cond_t *cond, int line, char *file);
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void thread_cond_wait_c(cond_t *cond, int line, char *file);
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void thread_cond_timedwait_c(cond_t *cond, int millis, int line, char *file);
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void thread_cond_destroy(cond_t *cond);
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void thread_rwlock_create_c(const char *name, rwlock_t *rwlock, int line, const char *file);
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void thread_rwlock_rlock_c(rwlock_t *rwlock, int line, const char *file);
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void thread_rwlock_wlock_c(rwlock_t *rwlock, int line, const char *file);
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void thread_rwlock_unlock_c(rwlock_t *rwlock, int line, const char *file);
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void thread_rwlock_destroy(rwlock_t *rwlock);
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void thread_exit_c(long val, int line, char *file);
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/* sleeping */
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void thread_sleep(unsigned long len);
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/* for using library functions which aren't threadsafe */
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void thread_library_lock(void);
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void thread_library_unlock(void);
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#define PROTECT_CODE(code) { thread_library_lock(); code; thread_library_unlock(); }
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/* thread information functions */
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thread_type *thread_self(void);
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/* renames current thread */
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void thread_rename(const char *name);
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/* waits until thread_exit is called for another thread */
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void thread_join(thread_type *thread);
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#endif /* __THREAD_H__ */
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