Initial Contribution

libc/kernel/common/linux/preempt.h

@@ -0,0 +1,31 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ ***   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_PREEMPT_H
+#define __LINUX_PREEMPT_H
+
+#include <linux/thread_info.h>
+#include <linux/linkage.h>
+
+#define add_preempt_count(val) do { preempt_count() += (val); } while (0)
+#define sub_preempt_count(val) do { preempt_count() -= (val); } while (0)
+
+#define inc_preempt_count() add_preempt_count(1)
+#define dec_preempt_count() sub_preempt_count(1)
+
+#define preempt_count() (current_thread_info()->preempt_count)
+
+#define preempt_disable() do { } while (0)
+#define preempt_enable_no_resched() do { } while (0)
+#define preempt_enable() do { } while (0)
+#define preempt_check_resched() do { } while (0)
+
+#endif