37 lines
1.3 KiB
C
37 lines
1.3 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 __ASM_ARM_SEMAPHORE_H
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#define __ASM_ARM_SEMAPHORE_H
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#include <linux/linkage.h>
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#include <linux/spinlock.h>
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#include <linux/wait.h>
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#include <linux/rwsem.h>
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#include <asm/atomic.h>
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#include <asm/locks.h>
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struct semaphore {
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atomic_t count;
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int sleepers;
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wait_queue_head_t wait;
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};
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#define __SEMAPHORE_INIT(name, cnt) { .count = ATOMIC_INIT(cnt), .wait = __WAIT_QUEUE_HEAD_INITIALIZER((name).wait), }
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#define __DECLARE_SEMAPHORE_GENERIC(name,count) struct semaphore name = __SEMAPHORE_INIT(name,count)
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#define DECLARE_MUTEX(name) __DECLARE_SEMAPHORE_GENERIC(name,1)
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#define DECLARE_MUTEX_LOCKED(name) __DECLARE_SEMAPHORE_GENERIC(name,0)
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#endif
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