1 /**************************************************************************** 2 **************************************************************************** 3 *** 4 *** This header was automatically generated from a Linux kernel header 5 *** of the same name, to make information necessary for userspace to 6 *** call into the kernel available to libc. It contains only constants, 7 *** structures, and macros generated from the original header, and thus, 8 *** contains no copyrightable information. 9 *** 10 *** To edit the content of this header, modify the corresponding 11 *** source file (e.g. under external/kernel-headers/original/) then 12 *** run bionic/libc/kernel/tools/update_all.py 13 *** 14 *** Any manual change here will be lost the next time this script will 15 *** be run. You've been warned! 16 *** 17 **************************************************************************** 18 ****************************************************************************/ 19 #ifndef __LINUX_MUTEX_H 20 #define __LINUX_MUTEX_H 21 #include <linux/list.h> 22 #include <linux/spinlock_types.h> 23 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 24 #include <linux/linkage.h> 25 #include <linux/lockdep.h> 26 #include <asm/atomic.h> 27 struct mutex { 28 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 29 atomic_t count; 30 spinlock_t wait_lock; 31 struct list_head wait_list; 32 }; 33 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 34 struct mutex_waiter { 35 struct list_head list; 36 struct task_struct *task; 37 }; 38 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 39 #define __DEBUG_MUTEX_INITIALIZER(lockname) 40 #define mutex_init(mutex) do { static struct lock_class_key __key; __mutex_init((mutex), #mutex, &__key); } while (0) 41 #define mutex_destroy(mutex) do { } while (0) 42 #define __DEP_MAP_MUTEX_INITIALIZER(lockname) 43 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 44 #define __MUTEX_INITIALIZER(lockname) { .count = ATOMIC_INIT(1) , .wait_lock = SPIN_LOCK_UNLOCKED , .wait_list = LIST_HEAD_INIT(lockname.wait_list) __DEBUG_MUTEX_INITIALIZER(lockname) __DEP_MAP_MUTEX_INITIALIZER(lockname) } 45 #define DEFINE_MUTEX(mutexname) struct mutex mutexname = __MUTEX_INITIALIZER(mutexname) 46 #define mutex_lock_nested(lock, subclass) mutex_lock(lock) 47 #endif 48 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 49
