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-rw-r--r--include/linux/completion.h42
1 files changed, 42 insertions, 0 deletions
diff --git a/include/linux/completion.h b/include/linux/completion.h
new file mode 100644
index 000000000000..90663ad217f9
--- /dev/null
+++ b/include/linux/completion.h
@@ -0,0 +1,42 @@
+#ifndef __LINUX_COMPLETION_H
+#define __LINUX_COMPLETION_H
+
+/*
+ * (C) Copyright 2001 Linus Torvalds
+ *
+ * Atomic wait-for-completion handler data structures.
+ * See kernel/sched.c for details.
+ */
+
+#include <linux/wait.h>
+
+struct completion {
+ unsigned int done;
+ wait_queue_head_t wait;
+};
+
+#define COMPLETION_INITIALIZER(work) \
+ { 0, __WAIT_QUEUE_HEAD_INITIALIZER((work).wait) }
+
+#define DECLARE_COMPLETION(work) \
+ struct completion work = COMPLETION_INITIALIZER(work)
+
+static inline void init_completion(struct completion *x)
+{
+ x->done = 0;
+ init_waitqueue_head(&x->wait);
+}
+
+extern void FASTCALL(wait_for_completion(struct completion *));
+extern int FASTCALL(wait_for_completion_interruptible(struct completion *x));
+extern unsigned long FASTCALL(wait_for_completion_timeout(struct completion *x,
+ unsigned long timeout));
+extern unsigned long FASTCALL(wait_for_completion_interruptible_timeout(
+ struct completion *x, unsigned long timeout));
+
+extern void FASTCALL(complete(struct completion *));
+extern void FASTCALL(complete_all(struct completion *));
+
+#define INIT_COMPLETION(x) ((x).done = 0)
+
+#endif