diff options
Diffstat (limited to 'src/server/locks.h')
-rw-r--r-- | src/server/locks.h | 85 |
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_ */ |