From 8f486613be58ced269db1d437e560c16558604e8 Mon Sep 17 00:00:00 2001 From: becquet Date: Thu, 10 May 2007 18:49:20 +0000 Subject: Création de chuck, le programme du robot 2007. --- i/chuck/src/utils/fd_set.cc | 53 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 53 insertions(+) create mode 100644 i/chuck/src/utils/fd_set.cc (limited to 'i/chuck/src/utils/fd_set.cc') diff --git a/i/chuck/src/utils/fd_set.cc b/i/chuck/src/utils/fd_set.cc new file mode 100644 index 0000000..998f3f5 --- /dev/null +++ b/i/chuck/src/utils/fd_set.cc @@ -0,0 +1,53 @@ +// fd_set.cc +// robert - programme du robot 2005. {{{ +// +// Copyright (C) 2005 Nicolas Schodet +// +// Robot APB Team/Efrei 2005. +// Web: http://assos.efrei.fr/robot/ +// Email: robot AT efrei DOT fr +// +// This program is free software; you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation; either version 2 of the License, or +// (at your option) any later version. +// +// This program 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 General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this program; if not, write to the Free Software +// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +// +// }}} +#include "fd_set.hh" +#include "utils/errno_exception.hh" + +/// Wait for an read event or timeout in milliseconds, return true on read +/// event. +bool +FdSet::wait (int timeout/*-1*/) +{ + int r; + if (timeout == -1) + { + // Without timeout. + r = select (FD_SETSIZE, get (), 0, 0, 0); + } + else + { + // With timeout. + struct timeval tv; + tv.tv_sec = timeout / 1000; + tv.tv_usec = (timeout % 1000) * 1000; + r = select (FD_SETSIZE, get (), 0, 0, &tv); + } + if (r == -1) + // Error. + throw errno_exception (errno); + else + return r != 0; +} + -- cgit v1.2.3