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| -rw-r--r-- | sysdeps/mach/hurd/poll.c | 50 |
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 0000000000..a6d91b5473 --- /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) |