/usr/arm-linux-androideabi/include/linux/mutex.h is in gcc-arm-linux-androideabi 0.20130705.1-0ubuntu9.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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****************************************************************************
***
*** This header was automatically generated from a Linux kernel header
*** of the same name, to make information necessary for userspace to
*** call into the kernel available to libc. It contains only constants,
*** structures, and macros generated from the original header, and thus,
*** contains no copyrightable information.
***
*** To edit the content of this header, modify the corresponding
*** source file (e.g. under external/kernel-headers/original/) then
*** run bionic/libc/kernel/tools/update_all.py
***
*** Any manual change here will be lost the next time this script will
*** be run. You've been warned!
***
****************************************************************************
****************************************************************************/
#ifndef __LINUX_MUTEX_H
#define __LINUX_MUTEX_H
#include <linux/list.h>
#include <linux/spinlock_types.h>
/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
#include <linux/linkage.h>
#include <linux/lockdep.h>
#include <asm/atomic.h>
struct mutex {
/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
atomic_t count;
spinlock_t wait_lock;
struct list_head wait_list;
};
/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
struct mutex_waiter {
struct list_head list;
struct task_struct *task;
};
/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
#define __DEBUG_MUTEX_INITIALIZER(lockname)
#define mutex_init(mutex) do { static struct lock_class_key __key; __mutex_init((mutex), #mutex, &__key); } while (0)
#define mutex_destroy(mutex) do { } while (0)
#define __DEP_MAP_MUTEX_INITIALIZER(lockname)
/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
#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) }
#define DEFINE_MUTEX(mutexname) struct mutex mutexname = __MUTEX_INITIALIZER(mutexname)
#define mutex_lock_nested(lock, subclass) mutex_lock(lock)
#endif
/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
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