112 lines
4.5 KiB
C
112 lines
4.5 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_H
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#define __LINUX_SPINLOCK_H
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#include <linux/preempt.h>
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#include <linux/linkage.h>
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#include <linux/compiler.h>
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#include <linux/thread_info.h>
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#include <linux/kernel.h>
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#include <linux/stringify.h>
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#include <asm/system.h>
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#define LOCK_SECTION_NAME ".text.lock."KBUILD_BASENAME
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#define LOCK_SECTION_START(extra) ".subsection 1\n\t" extra ".ifndef " LOCK_SECTION_NAME "\n\t" LOCK_SECTION_NAME ":\n\t" ".endif\n"
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#define LOCK_SECTION_END ".previous\n\t"
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#define __lockfunc fastcall __attribute__((section(".spinlock.text")))
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#include <linux/spinlock_types.h>
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#include <linux/spinlock_up.h>
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#define spin_lock_init(lock) do { *(lock) = SPIN_LOCK_UNLOCKED; } while (0)
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#define rwlock_init(lock) do { *(lock) = RW_LOCK_UNLOCKED; } while (0)
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#define spin_is_locked(lock) __raw_spin_is_locked(&(lock)->raw_lock)
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#define spin_unlock_wait(lock) __raw_spin_unlock_wait(&(lock)->raw_lock)
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#include <linux/spinlock_api_up.h>
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#define _raw_spin_lock(lock) __raw_spin_lock(&(lock)->raw_lock)
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#define _raw_spin_lock_flags(lock, flags) __raw_spin_lock_flags(&(lock)->raw_lock, *(flags))
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#define _raw_spin_trylock(lock) __raw_spin_trylock(&(lock)->raw_lock)
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#define _raw_spin_unlock(lock) __raw_spin_unlock(&(lock)->raw_lock)
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#define _raw_read_lock(rwlock) __raw_read_lock(&(rwlock)->raw_lock)
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#define _raw_read_trylock(rwlock) __raw_read_trylock(&(rwlock)->raw_lock)
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#define _raw_read_unlock(rwlock) __raw_read_unlock(&(rwlock)->raw_lock)
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#define _raw_write_lock(rwlock) __raw_write_lock(&(rwlock)->raw_lock)
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#define _raw_write_trylock(rwlock) __raw_write_trylock(&(rwlock)->raw_lock)
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#define _raw_write_unlock(rwlock) __raw_write_unlock(&(rwlock)->raw_lock)
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#define read_can_lock(rwlock) __raw_read_can_lock(&(rwlock)->raw_lock)
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#define write_can_lock(rwlock) __raw_write_can_lock(&(rwlock)->raw_lock)
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#define spin_trylock(lock) __cond_lock(_spin_trylock(lock))
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#define read_trylock(lock) __cond_lock(_read_trylock(lock))
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#define write_trylock(lock) __cond_lock(_write_trylock(lock))
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#define spin_lock(lock) _spin_lock(lock)
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#define spin_lock_nested(lock, subclass) _spin_lock(lock)
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#define write_lock(lock) _write_lock(lock)
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#define read_lock(lock) _read_lock(lock)
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#define spin_lock_irqsave(lock, flags) _spin_lock_irqsave(lock, flags)
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#define read_lock_irqsave(lock, flags) _read_lock_irqsave(lock, flags)
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#define write_lock_irqsave(lock, flags) _write_lock_irqsave(lock, flags)
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#define spin_lock_irq(lock) _spin_lock_irq(lock)
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#define spin_lock_bh(lock) _spin_lock_bh(lock)
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#define read_lock_irq(lock) _read_lock_irq(lock)
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#define read_lock_bh(lock) _read_lock_bh(lock)
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#define write_lock_irq(lock) _write_lock_irq(lock)
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#define write_lock_bh(lock) _write_lock_bh(lock)
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#define spin_unlock(lock) _spin_unlock(lock)
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#define read_unlock(lock) _read_unlock(lock)
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#define write_unlock(lock) _write_unlock(lock)
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#define spin_unlock_irq(lock) _spin_unlock_irq(lock)
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#define read_unlock_irq(lock) _read_unlock_irq(lock)
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#define write_unlock_irq(lock) _write_unlock_irq(lock)
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#define spin_unlock_irqrestore(lock, flags) _spin_unlock_irqrestore(lock, flags)
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#define spin_unlock_bh(lock) _spin_unlock_bh(lock)
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#define read_unlock_irqrestore(lock, flags) _read_unlock_irqrestore(lock, flags)
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#define read_unlock_bh(lock) _read_unlock_bh(lock)
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#define write_unlock_irqrestore(lock, flags) _write_unlock_irqrestore(lock, flags)
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#define write_unlock_bh(lock) _write_unlock_bh(lock)
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#define spin_trylock_bh(lock) __cond_lock(_spin_trylock_bh(lock))
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#define spin_trylock_irq(lock) ({ local_irq_disable(); _spin_trylock(lock) ? 1 : ({ local_irq_enable(); 0; }); })
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#define spin_trylock_irqsave(lock, flags) ({ local_irq_save(flags); _spin_trylock(lock) ? 1 : ({ local_irq_restore(flags); 0; }); })
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#include <asm/atomic.h>
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#define atomic_dec_and_lock(atomic, lock) __cond_lock(_atomic_dec_and_lock(atomic, lock))
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#define spin_can_lock(lock) (!spin_is_locked(lock))
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#endif
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