59 lines
1.4 KiB
C++
59 lines
1.4 KiB
C++
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/*
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* Copyright (C) 2003-2013 The Music Player Daemon Project
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* http://www.musicpd.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "config.h"
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#ifdef USE_SIGNALFD
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#include "SignalFD.hxx"
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#include "fd_util.h"
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#include "FatalError.hxx"
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#include <assert.h>
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#include <unistd.h>
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#include <sys/signalfd.h>
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void
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SignalFD::Create(const sigset_t &mask)
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{
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fd = ::signalfd(fd, &mask, SFD_NONBLOCK|SFD_CLOEXEC);
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if (fd < 0)
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FatalSystemError("signalfd() failed");
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}
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void
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SignalFD::Close()
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{
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if (fd >= 0) {
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::close(fd);
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fd = -1;
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}
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}
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int
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SignalFD::Read()
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{
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assert(fd >= 0);
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signalfd_siginfo info;
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return read(fd, &info, sizeof(info)) > 0
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? info.ssi_signo
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: -1;
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}
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#endif /* USE_SIGNALFD */
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