Initial Contribution

libc/kernel/common/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