Index: uspace/lib/libc/include/async_priv.h
===================================================================
--- uspace/lib/libc/include/async_priv.h	(revision 4f5edcf6224db0fa0ebc1445b1e594be576a452e)
+++ uspace/lib/libc/include/async_priv.h	(revision 4f5edcf6224db0fa0ebc1445b1e594be576a452e)
@@ -0,0 +1,67 @@
+/*
+ * Copyright (c) 2006 Ondrej Palkovsky
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ * - The name of the author may not be used to endorse or promote products
+ *   derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/** @addtogroup libc
+ * @{
+ */
+/** @file
+ */
+
+#ifndef LIBC_ASYNC_PRIV_H_
+#define LIBC_ASYNC_PRIV_H_
+
+#include <adt/list.h>
+#include <fibril.h>
+#include <sys/time.h>
+#include <bool.h>
+
+/** Structures of this type represent a waiting fibril. */
+typedef struct {
+	/** Expiration time. */
+	struct timeval expires;
+	
+	/** If true, this struct is in the timeout list. */
+	bool inlist;
+	
+	/** Timeout list link. */
+	link_t link;
+	
+	/** Identification of and link to the waiting fibril. */
+	fid_t fid;
+	
+	/** If true, this fibril is currently active. */
+	bool active;
+	
+	/** If true, we have timed out. */
+	bool timedout;
+} awaiter_t;
+
+#endif
+
+/** @}
+ */