mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-18 11:00:07 +00:00
9cfba5dc11
* sysdeps/mach/hurd/poll.c (__poll): Correctly pass NULL to _hurd_select if TIMEMOUT is -1.
51 lines
1.7 KiB
C
51 lines
1.7 KiB
C
/* 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, to, NULL);
|
|
}
|
|
weak_alias (__poll, poll)
|