31 lines
1.2 KiB
C
31 lines
1.2 KiB
C
/****************************************************************************
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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_SPINLOCK_UP_H
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#define __LINUX_SPINLOCK_UP_H
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#ifndef __LINUX_SPINLOCK_H
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#error "please don't include this file directly"
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#endif
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#define __raw_spin_is_locked(lock) ((void)(lock), 0)
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#define __raw_spin_lock(lock) do { (void)(lock); } while (0)
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#define __raw_spin_unlock(lock) do { (void)(lock); } while (0)
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#define __raw_spin_trylock(lock) ({ (void)(lock); 1; })
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#define __raw_read_can_lock(lock) (((void)(lock), 1))
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#define __raw_write_can_lock(lock) (((void)(lock), 1))
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#define __raw_spin_unlock_wait(lock) do { cpu_relax(); } while (__raw_spin_is_locked(lock))
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#endif
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