1 #ifndef __LINUX_MUTEX_DEBUG_H 2 #define __LINUX_MUTEX_DEBUG_H 3 4 #include <linux/linkage.h> 5 #include <linux/lockdep.h> 6 #include <linux/debug_locks.h> 7 8 /* 9 * Mutexes - debugging helpers: 10 */ 11 12 #define __DEBUG_MUTEX_INITIALIZER(lockname) \ 13 , .magic = &lockname 14 15 #define mutex_init(mutex) \ 16 do { \ 17 static struct lock_class_key __key; \ 18 \ 19 __mutex_init((mutex), #mutex, &__key); \ 20 } while (0) 21 22 extern void mutex_destroy(struct mutex *lock); 23 24 #endif 25