Add new <bsd/sys/poll.h> header

Makefile

@@ -59,6 +59,7 @@ LIB_INCLUDES := \
 	bsd/sys/cdefs.h \
 	bsd/sys/bitstring.h \
 	bsd/sys/endian.h \
+	bsd/sys/poll.h \
 	bsd/sys/queue.h \
 	bsd/sys/tree.h \
 	bsd/netinet/ip_icmp.h \

include/bsd/sys/poll.h

@@ -0,0 +1,40 @@
+/*
+ * Copyright © 2011 Guillem Jover
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ * 3. 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 ``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.
+ */
+
+#ifndef LIBBSD_SYS_POLL_H
+#define LIBBSD_SYS_POLL_H
+
+#ifdef LIBBSD_OVERLAY
+#include_next <sys/poll.h>
+#else
+#include <sys/poll.h>
+#endif
+
+#ifndef INFTIM
+#define INFTIM (-1)
+#endif
+
+#endif