25 lines
1.1 KiB
C
25 lines
1.1 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_SH_SPINLOCK_H
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#define __ASM_SH_SPINLOCK_H
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#define __raw_spin_is_locked(x) ((x)->lock <= 0)
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#define __raw_spin_lock_flags(lock, flags) __raw_spin_lock(lock)
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#define __raw_spin_unlock_wait(x) do { cpu_relax(); } while ((x)->lock)
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#define __raw_read_can_lock(x) ((x)->lock > 0)
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#define __raw_write_can_lock(x) ((x)->lock == RW_LOCK_BIAS)
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#define _raw_spin_relax(lock) cpu_relax()
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#define _raw_read_relax(lock) cpu_relax()
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#define _raw_write_relax(lock) cpu_relax()
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#endif
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