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author | Andrew Hsieh <andrewhsieh@google.com> | 2013-09-06 18:37:46 +0800 |
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committer | Andrew Hsieh <andrewhsieh@google.com> | 2013-09-06 19:04:40 +0800 |
commit | 6986c6e7f06bb3bdedfc3bb08694da9b1227048c (patch) | |
tree | 5c0f01f1f54d9040100858182232c1fb4134b58f /9/platforms/android-18/arch-mips/usr/include/linux/mutex.h | |
parent | 30ee84f92cb832c789366c516fcadb718ccc25e8 (diff) | |
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Add NDK r9 part 1/2: platforms/
Change-Id: Ie572e90ffda7f982d931dda1a9f5a0c68953a762
Diffstat (limited to '9/platforms/android-18/arch-mips/usr/include/linux/mutex.h')
-rw-r--r-- | 9/platforms/android-18/arch-mips/usr/include/linux/mutex.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/9/platforms/android-18/arch-mips/usr/include/linux/mutex.h b/9/platforms/android-18/arch-mips/usr/include/linux/mutex.h new file mode 100644 index 0000000..4b33a8a --- /dev/null +++ b/9/platforms/android-18/arch-mips/usr/include/linux/mutex.h @@ -0,0 +1,46 @@ +/**************************************************************************** + **************************************************************************** + *** + *** This header was automatically generated from a Linux kernel header + *** of the same name, to make information necessary for userspace to + *** call into the kernel available to libc. It contains only constants, + *** structures, and macros generated from the original header, and thus, + *** contains no copyrightable information. + *** + **************************************************************************** + ****************************************************************************/ +#ifndef __LINUX_MUTEX_H +#define __LINUX_MUTEX_H + +#include <linux/list.h> +#include <linux/spinlock_types.h> +#include <linux/linkage.h> +#include <linux/lockdep.h> + +#include <asm/atomic.h> + +struct mutex { + + atomic_t count; + spinlock_t wait_lock; + struct list_head wait_list; +}; + +struct mutex_waiter { + struct list_head list; + struct task_struct *task; +}; + +#define __DEBUG_MUTEX_INITIALIZER(lockname) +#define mutex_init(mutex) do { static struct lock_class_key __key; __mutex_init((mutex), #mutex, &__key); } while (0) +#define mutex_destroy(mutex) do { } while (0) + +#define __DEP_MAP_MUTEX_INITIALIZER(lockname) + +#define __MUTEX_INITIALIZER(lockname) { .count = ATOMIC_INIT(1) , .wait_lock = SPIN_LOCK_UNLOCKED , .wait_list = LIST_HEAD_INIT(lockname.wait_list) __DEBUG_MUTEX_INITIALIZER(lockname) __DEP_MAP_MUTEX_INITIALIZER(lockname) } + +#define DEFINE_MUTEX(mutexname) struct mutex mutexname = __MUTEX_INITIALIZER(mutexname) + +#define mutex_lock_nested(lock, subclass) mutex_lock(lock) + +#endif |