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authorRoland McGrath <roland@gnu.org>1998-12-06 00:39:24 +0000
committerRoland McGrath <roland@gnu.org>1998-12-06 00:39:24 +0000
commit7885870df337869581a87f7308e40af7ad0285db (patch)
tree528cf792ea5b7583322f9346f912a86bef5cfdcb /sysdeps
parent6685edd3c66d009b4172483051fe6f795cc5df49 (diff)
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1998-12-05 Roland McGrath <roland@baalperazim.frob.com>
* sysdeps/mach/hurd/poll.c: New file.
Diffstat (limited to 'sysdeps')
-rw-r--r--sysdeps/mach/hurd/poll.c50
1 files changed, 50 insertions, 0 deletions
diff --git a/sysdeps/mach/hurd/poll.c b/sysdeps/mach/hurd/poll.c
new file mode 100644
index 0000000..a6d91b5
--- /dev/null
+++ b/sysdeps/mach/hurd/poll.c
@@ -0,0 +1,50 @@
+/* poll file descriptors. Hurd version.
+ Copyright (C) 1998 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <sys/poll.h>
+#include <sys/time.h>
+#include <hurd.h>
+#include <hurd/fd.h>
+
+/* 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. */
+
+int
+__poll (fds, nfds, timeout)
+ struct pollfd *fds;
+ unsigned long int nfds;
+ int timeout;
+{
+ struct timespec ts, *to;
+
+ if (timeout < 0)
+ to = NULL;
+ else
+ {
+ ts.tv_sec = timeout / 1000;
+ ts.tv_nsec = (timeout % 1000) * 1000000;
+ to = &ts;
+ }
+
+ return _hurd_select (nfds, fds, NULL, NULL, NULL, &ts, NULL);
+}
+weak_alias (__poll, poll)