auto import from //depot/cupcake/@135843
diff --git a/daemon/opd_pipe.h b/daemon/opd_pipe.h
new file mode 100644
index 0000000..7f96b07
--- /dev/null
+++ b/daemon/opd_pipe.h
@@ -0,0 +1,45 @@
+/**
+ * @file daemon/opd_pipe.h
+ * Functions handling the $SESSIONDIR/opd_pipe FIFO special file.
+ * NOTE: This code is dealing with potencially insecure input.
+ *
+ * @remark Copyright 2008 OProfile authors
+ * @remark Read the file COPYING
+ *
+ * @author Daniel Hansel
+ */
+
+#ifndef OPD_PIPE_H_
+#define OPD_PIPE_H_
+
+/**
+ * opd_create_pipe - creates the oprofiled fifo file
+ *
+ * Creates the Oprofile daemon fifo pipe to enable communication between
+ * the daemon and the 'opcontrol --dump' command. Failure to create the pipe
+ * is a fatal error.
+ */
+void opd_create_pipe(void);
+
+/**
+ * opd_open_pipe - opens the oprofiled fifo file
+ */
+void opd_open_pipe(void);
+
+/**
+ * opd_close_pipe - closes the oprofiled fifo file
+ *
+ * Closes the Oprofile daemon fifo pipe.
+ */
+void opd_close_pipe(void);
+
+/**
+ * is_jitconv_requested - check for request to jit conversion
+ *
+ * Checks the Oprofile daemon fifo pipe for do_jitconv request.
+ * If jit conversion is requested ('do_jitconv' is sent) the check returns 1.
+ * Otherwise it returns 0.
+ */
+int is_jitconv_requested(void);
+
+#endif /*OPD_PIPE_H_*/