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89 lines
2.1 KiB
C
89 lines
2.1 KiB
C
/* Copyright (C) 2007-2012 Open Information Security Foundation
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*
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* You can copy, redistribute or modify this Program under the terms of
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* the GNU General Public License version 2 as published by the Free
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* Software Foundation.
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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
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* version 2 along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*/
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/**
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* \file
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*
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* \author Anoop Saldanha <anoopsaldanha@gmail.com>
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*/
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#include "suricata-common.h"
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#include "suricata.h"
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#include "util-debug.h"
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#include "util-signal.h"
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int UtilSignalBlock(int signum)
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{
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#ifndef OS_WIN32
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sigset_t x;
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if (sigemptyset(&x) < 0)
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return -1;
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if (sigaddset(&x, signum) < 0)
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return -1;
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/* don't use sigprocmask(), as it's undefined for
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* multithreaded programs. Use phtread_sigmask().
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*/
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if (pthread_sigmask(SIG_BLOCK, &x, NULL) != 0)
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return -1;
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#endif
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return 0;
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}
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int UtilSignalUnblock(int signum)
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{
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#ifndef OS_WIN32
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sigset_t x;
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if (sigemptyset(&x) < 0)
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return -1;
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if (sigaddset(&x, signum) < 0)
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return -1;
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if (pthread_sigmask(SIG_UNBLOCK, &x, NULL) != 0)
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return -1;
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#endif
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return 0;
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}
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void UtilSignalHandlerSetup(int sig, void (*handler)(int))
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{
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#ifdef OS_WIN32
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signal(sig, handler);
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#else
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struct sigaction action;
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memset(&action, 0x00, sizeof(struct sigaction));
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action.sa_handler = handler;
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sigemptyset(&(action.sa_mask));
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sigaddset(&(action.sa_mask),sig);
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action.sa_flags = 0;
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sigaction(sig, &action, 0);
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#endif /* OS_WIN32 */
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return;
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}
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#if 0
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int UtilSignalIsHandler(int sig, void (*handler)(int))
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{
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struct sigaction action;
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memset(&action, 0x00, sizeof(struct sigaction));
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sigaction(sig, NULL, &action);
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return (action.sa_handler == handler);
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}
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#endif
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