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