3eee130454
* io/sys/poll.h: Define nfds_t and use it in poll prototype. * sysdeps/generic/poll.c: Use nfds_t type in function definition. * sysdeps/mach/hurd/poll.c: Likewise. * sysdeps/unix/bsd/poll.c: Likewise. * sysdeps/unix/sysv/linux/poll.c: Likewise. * sysdeps/unix/sysv/aix/poll.c: Likewise. * sysdeps/generic/bits/poll.h: Define NPOLLFILE only if __USE_MISC. * sysdeps/unix/sysv/linux/bits/poll.h: Likewise. * sysdeps/unix/sysv/linux/m68k/bits/poll.h: Likewise. * sysdeps/unix/sysv/linux/mips/bits/poll.h: Likewise. * sysdeps/unix/sysv/linux/sparc/bits/poll.h: Likewise. * conform/data/poll.h-data: Fix typo in poll prototype.
51 lines
1.7 KiB
C
51 lines
1.7 KiB
C
/* poll file descriptors. Hurd version.
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Copyright (C) 1998, 2001 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <sys/poll.h>
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#include <sys/time.h>
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#include <hurd.h>
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#include <hurd/fd.h>
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/* Poll the file descriptors described by the NFDS structures starting at
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FDS. If TIMEOUT is nonzero and not -1, allow TIMEOUT milliseconds for
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an event to occur; if TIMEOUT is -1, block until an event occurs.
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Returns the number of file descriptors with events, zero if timed out,
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or -1 for errors. */
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int
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__poll (fds, nfds, timeout)
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struct pollfd *fds;
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nfds_t nfds;
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int timeout;
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{
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struct timespec ts, *to;
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if (timeout < 0)
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to = NULL;
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else
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{
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ts.tv_sec = timeout / 1000;
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ts.tv_nsec = (timeout % 1000) * 1000000;
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to = &ts;
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}
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return _hurd_select (nfds, fds, NULL, NULL, NULL, to, NULL);
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}
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weak_alias (__poll, poll)
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