47 lines
1.6 KiB
C
47 lines
1.6 KiB
C
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/****************************************************************************
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****************************************************************************
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***
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*** This header was automatically generated from a Linux kernel header
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*** of the same name, to make information necessary for userspace to
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*** call into the kernel available to libc. It contains only constants,
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*** structures, and macros generated from the original header, and thus,
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*** contains no copyrightable information.
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***
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****************************************************************************
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****************************************************************************/
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#ifndef __LINUX_MUTEX_H
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#define __LINUX_MUTEX_H
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#include <linux/list.h>
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#include <linux/spinlock_types.h>
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#include <linux/linkage.h>
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#include <linux/lockdep.h>
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#include <asm/atomic.h>
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struct mutex {
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atomic_t count;
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spinlock_t wait_lock;
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struct list_head wait_list;
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};
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struct mutex_waiter {
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struct list_head list;
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struct task_struct *task;
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};
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#define __DEBUG_MUTEX_INITIALIZER(lockname)
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#define mutex_init(mutex) do { static struct lock_class_key __key; __mutex_init((mutex), #mutex, &__key); } while (0)
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#define mutex_destroy(mutex) do { } while (0)
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#define __DEP_MAP_MUTEX_INITIALIZER(lockname)
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#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) }
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#define DEFINE_MUTEX(mutexname) struct mutex mutexname = __MUTEX_INITIALIZER(mutexname)
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#define mutex_lock_nested(lock, subclass) mutex_lock(lock)
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#endif
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