diff options
Diffstat (limited to '4/platforms/android-5/arch-x86/usr/include/linux/notifier.h')
-rw-r--r-- | 4/platforms/android-5/arch-x86/usr/include/linux/notifier.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/4/platforms/android-5/arch-x86/usr/include/linux/notifier.h b/4/platforms/android-5/arch-x86/usr/include/linux/notifier.h new file mode 100644 index 0000000..f1fc461 --- /dev/null +++ b/4/platforms/android-5/arch-x86/usr/include/linux/notifier.h @@ -0,0 +1,50 @@ +/**************************************************************************** + **************************************************************************** + *** + *** 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_NOTIFIER_H +#define _LINUX_NOTIFIER_H +#include <linux/errno.h> +#include <linux/mutex.h> +#include <linux/rwsem.h> + +struct notifier_block { + int (*notifier_call)(struct notifier_block *, unsigned long, void *); + struct notifier_block *next; + int priority; +}; + +struct atomic_notifier_head { + spinlock_t lock; + struct notifier_block *head; +}; + +struct blocking_notifier_head { + struct rw_semaphore rwsem; + struct notifier_block *head; +}; + +struct raw_notifier_head { + struct notifier_block *head; +}; + +#define ATOMIC_INIT_NOTIFIER_HEAD(name) do { spin_lock_init(&(name)->lock); (name)->head = NULL; } while (0) +#define BLOCKING_INIT_NOTIFIER_HEAD(name) do { init_rwsem(&(name)->rwsem); (name)->head = NULL; } while (0) +#define RAW_INIT_NOTIFIER_HEAD(name) do { (name)->head = NULL; } while (0) + +#define ATOMIC_NOTIFIER_INIT(name) { .lock = __SPIN_LOCK_UNLOCKED(name.lock), .head = NULL } +#define BLOCKING_NOTIFIER_INIT(name) { .rwsem = __RWSEM_INITIALIZER((name).rwsem), .head = NULL } +#define RAW_NOTIFIER_INIT(name) { .head = NULL } + +#define ATOMIC_NOTIFIER_HEAD(name) struct atomic_notifier_head name = ATOMIC_NOTIFIER_INIT(name) +#define BLOCKING_NOTIFIER_HEAD(name) struct blocking_notifier_head name = BLOCKING_NOTIFIER_INIT(name) +#define RAW_NOTIFIER_HEAD(name) struct raw_notifier_head name = RAW_NOTIFIER_INIT(name) + +#endif |