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-rw-r--r--src/server/locks.h85
1 files changed, 85 insertions, 0 deletions
diff --git a/src/server/locks.h b/src/server/locks.h
new file mode 100644
index 0000000..16b59a7
--- /dev/null
+++ b/src/server/locks.h
@@ -0,0 +1,85 @@
+#ifndef _LOCKS_H_
+#define _LOCKS_H_
+
+#include <pthread.h>
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#ifdef _DEBUG
+
+#define spin_init( lock, type ) debug_spin_init( #lock, __FILE__, __LINE__, lock, type)
+#define spin_lock( lock ) debug_spin_lock( #lock, __FILE__, __LINE__, lock)
+#define spin_trylock( lock ) debug_spin_trylock( #lock, __FILE__, __LINE__, lock)
+#define spin_unlock( lock ) debug_spin_unlock( #lock, __FILE__, __LINE__, lock)
+#define spin_destroy( lock ) debug_spin_destroy( #lock, __FILE__, __LINE__, lock)
+
+int debug_spin_init(const char *name, const char *file, int line, pthread_spinlock_t *lock, int shared);
+int debug_spin_lock(const char *name, const char *file, int line, pthread_spinlock_t *lock);
+int debug_spin_trylock(const char *name, const char *file, int line, pthread_spinlock_t *lock);
+int debug_spin_unlock(const char *name, const char *file, int line, pthread_spinlock_t *lock);
+int debug_spin_destroy(const char *name, const char *file, int line, pthread_spinlock_t *lock);
+
+void debug_dump_lock_stats();
+
+
+#else
+
+#define spin_init( lock, type ) pthread_spin_init(lock, type)
+#define spin_lock( lock ) pthread_spin_lock(lock)
+#define spin_trylock( lock ) pthread_spin_trylock(lock)
+#define spin_unlock( lock ) pthread_spin_unlock(lock)
+#define spin_destroy( lock ) pthread_spin_destroy(lock)
+
+#endif
+
+#ifdef DEBUG_THREADS
+
+extern int debugThreadCount;
+#define thread_create(thread,attr,routine,arg) (logadd( LOG_THREAD CREATE, "%d @ %s:%d\n", debugThreadCount, __FILE__, (int)__LINE__), debug_thread_create(thread, attr, routine, arg))
+static inline pthread_t debug_thread_create(pthread_t *thread, const pthread_attr_t *attr, void *(*start_routine)(void*), void *arg)
+{
+ int i;
+ if (attr == NULL || pthread_attr_getdetachstate(attr, &i) != 0 || i == PTHREAD_CREATE_JOINABLE) {
+ ++debugThreadCount;
+ }
+ return pthread_create( thread, attr, start_routine, arg );
+}
+
+#define thread_detach(thread) (logadd( LOG_THREAD DETACH, "%d @ %s:%d\n", debugThreadCount, __FILE__, __LINE__), debug_thread_detach(thread))
+static inline int debug_thread_detach(pthread_t thread)
+{
+ const int ret = pthread_detach(thread);
+ if (ret == 0) {
+ --debugThreadCount;
+ } else {
+ logadd( LOG_THREAD DETACH, "Tried to detach invalid thread (error %d)\n", (int)errno);
+ exit(1);
+ }
+ return ret;
+}
+#define thread_join(thread,value) (logadd( LOG_THREAD JOIN, "%d @ %s:%d\n", debugThreadCount, __FILE__, __LINE__), debug_thread_join(thread,value))
+static inline int debug_thread_join(pthread_t thread, void **value_ptr)
+{
+ const int ret = pthread_join(thread, value_ptr);
+ if (ret == 0) {
+ --debugThreadCount;
+ } else {
+ logadd( LOG_THREAD JOIN, "Tried to join invalid thread (error %d)\n", (int)errno);
+ exit(1);
+ }
+ return ret;
+}
+
+#else
+
+#define thread_create(thread,attr,routine,param) pthread_create( thread, attr, routine, param )
+#define thread_detach(thread) pthread_detach( thread )
+#define thread_join(thread,value) pthread_join( thread, value )
+
+#endif
+
+void debug_locks_start_watchdog();
+void debug_locks_stop_watchdog();
+
+#endif /* LOCKS_H_ */