[patch 01/11] syslets: add async.h include file, kernel-side API definitions

[Ingo Molnar]

From: Ingo Molnar <mingo@xxxxxxx>

add include/linux/async.h which contains the kernel-side API
declarations.

it also provides NOP stubs for the !CONFIG_ASYNC_SUPPORT case.

Signed-off-by: Ingo Molnar <mingo@xxxxxxx>
Signed-off-by: Arjan van de Ven <arjan@xxxxxxxxxxxxxxx>
---
 include/linux/async.h |   25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

Index: linux/include/linux/async.h
===================================================================
--- /dev/null
+++ linux/include/linux/async.h
@@ -0,0 +1,25 @@
+#ifndef _LINUX_ASYNC_H
+#define _LINUX_ASYNC_H
+/*
+ * The syslet subsystem - asynchronous syscall execution support.
+ *
+ * Generic kernel API definitions:
+ */
+
+#ifdef CONFIG_ASYNC_SUPPORT
+extern void async_init(struct task_struct *t);
+extern void async_exit(struct task_struct *t);
+extern void __async_schedule(struct task_struct *t);
+#else /* !CONFIG_ASYNC_SUPPORT */
+static inline void async_init(struct task_struct *t)
+{
+}
+static inline void async_exit(struct task_struct *t)
+{
+}
+static inline void __async_schedule(struct task_struct *t)
+{
+}
+#endif /* !CONFIG_ASYNC_SUPPORT */
+
+#endif
-
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