Copyright (C) 1994,96,97,98,99,2000,2001,2004 Free Software Foundation, Inc.
***/
+#if defined(HAVE_POLL_H)
+#include <poll.h>
+#else
+
/* Event types that can be polled for. These bits may be set in `events'
to indicate the interesting event types; they will appear in `revents'
to indicate the status of the file descriptor. */
#define POLLHUP 0x010 /* Hung up. */
#define POLLNVAL 0x020 /* Invalid polling request. */
-
-/* Type used for the number of file descriptors. */
-typedef unsigned long int nfds_t;
-
/* Data structure describing a polling request. */
-struct pollfd
- {
+struct pollfd {
int fd; /* File descriptor to poll. */
short int events; /* Types of events poller cares about. */
short int revents; /* Types of events that actually occurred. */
- };
+};
/* Poll the file descriptors described by the NFDS structures starting at
FDS. If TIMEOUT is nonzero and not -1, allow TIMEOUT milliseconds for
an event to occur; if TIMEOUT is -1, block until an event occurs.
Returns the number of file descriptors with events, zero if timed out,
or -1 for errors. */
-extern int poll (struct pollfd *__fds, nfds_t __nfds, int __timeout);
+
+#endif /* HAVE_POLL_H */
+
+#if defined(HAVE_POLL_H) && !defined(OS_IS_DARWIN)
+#define pa_poll(fds,nfds,timeout) poll((fds),(nfds),(timeout))
+#else
+int pa_poll(struct pollfd *fds, unsigned long nfds, int timeout);
+#endif