diff options
Diffstat (limited to 'libc/kernel/common/linux/spinlock.h')
| -rw-r--r-- | libc/kernel/common/linux/spinlock.h | 57 |
1 files changed, 34 insertions, 23 deletions
diff --git a/libc/kernel/common/linux/spinlock.h b/libc/kernel/common/linux/spinlock.h index b1d64c68e..5504c9e61 100644 --- a/libc/kernel/common/linux/spinlock.h +++ b/libc/kernel/common/linux/spinlock.h @@ -7,95 +7,106 @@ *** structures, and macros generated from the original header, and thus, *** contains no copyrightable information. *** - *** To edit the content of this header, modify the corresponding - *** source file (e.g. under external/kernel-headers/original/) then - *** run bionic/libc/kernel/tools/update_all.py - *** - *** Any manual change here will be lost the next time this script will - *** be run. You've been warned! - *** **************************************************************************** ****************************************************************************/ #ifndef __LINUX_SPINLOCK_H #define __LINUX_SPINLOCK_H + #include <linux/preempt.h> #include <linux/linkage.h> -/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ #include <linux/compiler.h> #include <linux/thread_info.h> #include <linux/kernel.h> #include <linux/stringify.h> -/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ + #include <asm/system.h> + #define LOCK_SECTION_NAME ".text.lock."KBUILD_BASENAME + #define LOCK_SECTION_START(extra) ".subsection 1\n\t" extra ".ifndef " LOCK_SECTION_NAME "\n\t" LOCK_SECTION_NAME ":\n\t" ".endif\n" + #define LOCK_SECTION_END ".previous\n\t" -/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ + #define __lockfunc fastcall __attribute__((section(".spinlock.text"))) + #include <linux/spinlock_types.h> + #include <linux/spinlock_up.h> + #define spin_lock_init(lock) do { *(lock) = SPIN_LOCK_UNLOCKED; } while (0) -/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ + #define rwlock_init(lock) do { *(lock) = RW_LOCK_UNLOCKED; } while (0) + #define spin_is_locked(lock) __raw_spin_is_locked(&(lock)->raw_lock) + #define spin_unlock_wait(lock) __raw_spin_unlock_wait(&(lock)->raw_lock) + #include <linux/spinlock_api_up.h> -/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ + #define _raw_spin_lock(lock) __raw_spin_lock(&(lock)->raw_lock) #define _raw_spin_lock_flags(lock, flags) __raw_spin_lock_flags(&(lock)->raw_lock, *(flags)) #define _raw_spin_trylock(lock) __raw_spin_trylock(&(lock)->raw_lock) #define _raw_spin_unlock(lock) __raw_spin_unlock(&(lock)->raw_lock) -/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ #define _raw_read_lock(rwlock) __raw_read_lock(&(rwlock)->raw_lock) #define _raw_read_trylock(rwlock) __raw_read_trylock(&(rwlock)->raw_lock) #define _raw_read_unlock(rwlock) __raw_read_unlock(&(rwlock)->raw_lock) #define _raw_write_lock(rwlock) __raw_write_lock(&(rwlock)->raw_lock) -/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ #define _raw_write_trylock(rwlock) __raw_write_trylock(&(rwlock)->raw_lock) #define _raw_write_unlock(rwlock) __raw_write_unlock(&(rwlock)->raw_lock) + #define read_can_lock(rwlock) __raw_read_can_lock(&(rwlock)->raw_lock) #define write_can_lock(rwlock) __raw_write_can_lock(&(rwlock)->raw_lock) -/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ + #define spin_trylock(lock) __cond_lock(_spin_trylock(lock)) #define read_trylock(lock) __cond_lock(_read_trylock(lock)) #define write_trylock(lock) __cond_lock(_write_trylock(lock)) + #define spin_lock(lock) _spin_lock(lock) -/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ + #define spin_lock_nested(lock, subclass) _spin_lock(lock) + #define write_lock(lock) _write_lock(lock) #define read_lock(lock) _read_lock(lock) + #define spin_lock_irqsave(lock, flags) _spin_lock_irqsave(lock, flags) -/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ #define read_lock_irqsave(lock, flags) _read_lock_irqsave(lock, flags) #define write_lock_irqsave(lock, flags) _write_lock_irqsave(lock, flags) + #define spin_lock_irq(lock) _spin_lock_irq(lock) #define spin_lock_bh(lock) _spin_lock_bh(lock) -/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ + #define read_lock_irq(lock) _read_lock_irq(lock) #define read_lock_bh(lock) _read_lock_bh(lock) + #define write_lock_irq(lock) _write_lock_irq(lock) #define write_lock_bh(lock) _write_lock_bh(lock) -/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ + #define spin_unlock(lock) _spin_unlock(lock) #define read_unlock(lock) _read_unlock(lock) #define write_unlock(lock) _write_unlock(lock) #define spin_unlock_irq(lock) _spin_unlock_irq(lock) -/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ #define read_unlock_irq(lock) _read_unlock_irq(lock) #define write_unlock_irq(lock) _write_unlock_irq(lock) + #define spin_unlock_irqrestore(lock, flags) _spin_unlock_irqrestore(lock, flags) #define spin_unlock_bh(lock) _spin_unlock_bh(lock) -/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ + #define read_unlock_irqrestore(lock, flags) _read_unlock_irqrestore(lock, flags) #define read_unlock_bh(lock) _read_unlock_bh(lock) + #define write_unlock_irqrestore(lock, flags) _write_unlock_irqrestore(lock, flags) #define write_unlock_bh(lock) _write_unlock_bh(lock) -/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ + #define spin_trylock_bh(lock) __cond_lock(_spin_trylock_bh(lock)) + #define spin_trylock_irq(lock) ({ local_irq_disable(); _spin_trylock(lock) ? 1 : ({ local_irq_enable(); 0; }); }) + #define spin_trylock_irqsave(lock, flags) ({ local_irq_save(flags); _spin_trylock(lock) ? 1 : ({ local_irq_restore(flags); 0; }); }) + #include <asm/atomic.h> -/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ + #define atomic_dec_and_lock(atomic, lock) __cond_lock(_atomic_dec_and_lock(atomic, lock)) + #define spin_can_lock(lock) (!spin_is_locked(lock)) + #endif |