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   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