Completed the poll.h header file.

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@1738 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/posix/poll.h

@@ -1,32 +1,36 @@
-/* poll.h
+#ifndef _POLL_H
- * 
+#define _POLL_H
- * poll is an alternative way to deal with system notification
+/* 
- * of events on sockets
+** Distributed under the terms of the OpenBeOS License.
- */
+*/
 
-#ifndef __POLL_H
+typedef unsigned long nfds_t;
-#define __POLL_H
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#define POLLIN   0x0001
-#define POLLPRI  0x0002   /* not used */
-#define POLLOUT  0x0004
-#define POLLERR  0x0008
 
 struct pollfd {
 	int fd;
-	int events;	/* events to look for */
+	int events;		/* events to look for */
 	int revents;	/* events that occured */
 };
 
-extern int poll(struct pollfd * p, int nb, int timeout);
+/* events & revents */
+#define	POLLIN		0x0001		/* any readable data available */
+#define	POLLPRI		0x0002		/* high priority readable data */
+#define	POLLOUT		0x0004		/* file descriptor is writeable */
+#define	POLLRDNORM	0x0040		/* normal data available */
+#define	POLLRDBAND	0x0080		/* priority readable data */
+#define	POLLWRNORM	POLLOUT
+#define	POLLWRBAND	0x0100		/* priority data can be written */
 
+/* revents only */
+#define	POLLERR		0x0008		/* errors pending */
+#define	POLLHUP		0x0010		/* disconnected */
+#define	POLLNVAL	0x0020		/* invalid file descriptor */
+
+
+extern
 #ifdef __cplusplus
-}
+"C"
 #endif
+int poll(struct pollfd *fds, nfds_t numfds, int timeout);
 
-#endif /* __POLL_H */
+#endif /* _POLL_H */
-