The Android Open Source Project | 1dc9e47 | 2009-03-03 19:28:35 -0800 | [diff] [blame] | 1 | /**************************************************************************** |
| 2 | **************************************************************************** |
| 3 | *** |
| 4 | *** This header was automatically generated from a Linux kernel header |
| 5 | *** of the same name, to make information necessary for userspace to |
| 6 | *** call into the kernel available to libc. It contains only constants, |
| 7 | *** structures, and macros generated from the original header, and thus, |
| 8 | *** contains no copyrightable information. |
| 9 | *** |
Ben Cheng | 654325d | 2012-03-07 21:13:49 -0800 | [diff] [blame] | 10 | *** To edit the content of this header, modify the corresponding |
| 11 | *** source file (e.g. under external/kernel-headers/original/) then |
| 12 | *** run bionic/libc/kernel/tools/update_all.py |
| 13 | *** |
| 14 | *** Any manual change here will be lost the next time this script will |
| 15 | *** be run. You've been warned! |
| 16 | *** |
The Android Open Source Project | 1dc9e47 | 2009-03-03 19:28:35 -0800 | [diff] [blame] | 17 | **************************************************************************** |
| 18 | ****************************************************************************/ |
| 19 | #ifndef __ASM_SPINLOCK_H |
| 20 | #define __ASM_SPINLOCK_H |
The Android Open Source Project | 1dc9e47 | 2009-03-03 19:28:35 -0800 | [diff] [blame] | 21 | #if __LINUX_ARM_ARCH__ < 6 |
| 22 | #error SMP not supported on pre-ARMv6 CPUs |
Ben Cheng | 654325d | 2012-03-07 21:13:49 -0800 | [diff] [blame] | 23 | /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ |
The Android Open Source Project | 1dc9e47 | 2009-03-03 19:28:35 -0800 | [diff] [blame] | 24 | #endif |
The Android Open Source Project | 1dc9e47 | 2009-03-03 19:28:35 -0800 | [diff] [blame] | 25 | #define __raw_spin_is_locked(x) ((x)->lock != 0) |
| 26 | #define __raw_spin_unlock_wait(lock) do { while (__raw_spin_is_locked(lock)) cpu_relax(); } while (0) |
The Android Open Source Project | 1dc9e47 | 2009-03-03 19:28:35 -0800 | [diff] [blame] | 27 | #define __raw_spin_lock_flags(lock, flags) __raw_spin_lock(lock) |
Ben Cheng | 654325d | 2012-03-07 21:13:49 -0800 | [diff] [blame] | 28 | /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ |
The Android Open Source Project | 1dc9e47 | 2009-03-03 19:28:35 -0800 | [diff] [blame] | 29 | #define rwlock_is_locked(x) (*((volatile unsigned int *)(x)) != 0) |
| 30 | #define __raw_write_can_lock(x) ((x)->lock == 0x80000000) |
| 31 | #define __raw_read_can_lock(x) ((x)->lock < 0x80000000) |
| 32 | #endif |
Ben Cheng | 654325d | 2012-03-07 21:13:49 -0800 | [diff] [blame] | 33 | /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ |