Initial revision

svn path=/trunk/avl/; revision=1997

thread/thread.h

@@ -0,0 +1,144 @@
+/* thread.h
+ * - Thread Abstraction Function Headers
+ *
+ * Copyright (c) 1999, 2000 the icecast team
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ * 
+ * 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
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ */
+
+#ifndef __THREAD_H__
+#define __THREAD_H__
+
+#include <pthread.h>
+
+typedef struct thread_tag {
+	/* the local id for the thread, and it's name */
+	long thread_id;
+	char *name;
+
+	/* the time the thread was created */
+	time_t create_time;
+	
+	/* the file and line which created this thread */
+	char *file;
+	int line;
+
+	/* the system specific thread */
+	pthread_t sys_thread;
+} thread_t;
+
+typedef struct mutex_tag {
+	/* the local id and name of the mutex */
+	long mutex_id;
+	char *name;
+
+	/* the thread which is currently locking this mutex */
+	long thread_id;
+
+	/* the file and line where the mutex was locked */
+	char *file;
+	int line;	
+
+	/* the system specific mutex */
+	pthread_mutex_t sys_mutex;
+} mutex_t;
+
+typedef struct cond_tag {
+	long cond_id;
+	char *name;
+
+	pthread_mutex_t cond_mutex;
+	pthread_cond_t sys_cond;
+} cond_t;
+
+typedef struct rwlock_tag {
+	long rwlock_id;
+	char *name;
+
+	/* information on which thread and where in the code
+	** this rwlock was write locked
+	*/
+	long thread_id;
+	char *file;
+	int line;
+
+	pthread_rwlock_t sys_rwlock;
+} rwlock_t;
+
+#define thread_create(n,x,y,z) thread_create_c(n,x,y,z,__LINE__,__FILE__)
+#define thread_mutex_create(x) thread_mutex_create_c(x,__LINE__,__FILE__)
+#define thread_mutex_lock(x) thread_mutex_lock_c(x,__LINE__,__FILE__)
+#define thread_mutex_unlock(x) thread_mutex_unlock_c(x,__LINE__,__FILE__)
+#define thread_cond_create(x) thread_cond_create_c(x,__LINE__,__FILE__)
+#define thread_cond_signal(x) thread_cond_signal_c(x,__LINE__,__FILE__)
+#define thread_cond_broadcast(x) thread_cond_broadcast_c(x,__LINE__,__FILE__)
+#define thread_cond_wait(x) thread_cond_wait_c(x,__LINE__,__FILE__)
+#define thread_rwlock_create(x) thread_rwlock_create_c(x,__LINE__,__FILE__)
+#define thread_rwlock_rlock(x) thread_rwlock_rlock_c(x,__LINE__,__FILE__)
+#define thread_rwlock_wlock(x) thread_rwlock_wlock_c(x,__LINE__,__FILE__)
+#define thread_rwlock_unlock(x) thread_rwlock_unlock_c(x,__LINE__,__FILE__)
+#define thread_exit(x) thread_exit_c(x,__LINE__,__FILE__)
+
+#define MUTEX_STATE_NOTLOCKED -1
+#define MUTEX_STATE_NEVERLOCKED -2
+#define MUTEX_STATE_UNINIT -3
+#define THREAD_DETACHED 1
+#define THREAD_ATTACHED 0
+
+/* init/shutdown of the library */
+void thread_initialize(void);
+void thread_initialize_with_log_id(int log_id);
+void thread_shutdown(void);
+
+/* creation, destruction, locking, unlocking, signalling and waiting */
+long thread_create_c(char *name, void *(*start_routine)(void *), void *arg, int detached, int line, char *file);
+void thread_mutex_create_c(mutex_t *mutex, int line, char *file);
+void thread_mutex_lock_c(mutex_t *mutex, int line, char *file);
+void thread_mutex_unlock_c(mutex_t *mutex, int line, char *file);
+void thread_mutex_destroy(mutex_t *mutex);
+void thread_cond_create_c(cond_t *cond, int line, char *file);
+void thread_cond_signal_c(cond_t *cond, int line, char *file);
+void thread_cond_broadcast_c(cond_t *cond, int line, char *file);
+void thread_cond_wait_c(cond_t *cond, int line, char *file);
+void thread_cond_destroy(cond_t *cond);
+void thread_rwlock_create_c(rwlock_t *rwlock, int line, char *file);
+void thread_rwlock_rlock_c(rwlock_t *rwlock, int line, char *file);
+void thread_rwlock_wlock_c(rwlock_t *rwlock, int line, char *file);
+void thread_rwlock_unlock_c(rwlock_t *rwlock, int line, char *file);
+void thread_rwlock_destroy(rwlock_t *rwlock);
+void thread_exit_c(int val, int line, char *file);
+
+/* sleeping */
+void thread_sleep(unsigned long len);
+
+/* for using library functions which aren't threadsafe */
+void thread_library_lock(void);
+void thread_library_unlock(void);
+#define PROTECT_CODE(code) { thread_library_lock(); code; thread_library_unlock(); }
+
+/* thread information functions */
+thread_t *thread_self(void);
+
+/* renames current thread */
+void thread_rename(const char *name);
+
+/* waits until thread_exit is called for another thread */
+void thread_join(long thread);
+
+#endif  /* __THREAD_H__ */
+
+
+