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1998-12-05 Roland McGrath <roland@baalperazim.frob.com>

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* sysdeps/mach/hurd/poll.c: New file.
This commit is contained in:
Roland McGrath 1998-12-06 00:39:24 +00:00
parent 6685edd3c6
commit 7885870df3
1 changed files with 50 additions and 0 deletions
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sysdeps/mach/hurd/poll.c Normal file
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/* 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)