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/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
*
* Copyright (C) 2008 Sun Microsystems, Inc.
* Copyright (C) 2010 Monty Taylor
*
* 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; version 2 of the License.
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#pragma once
#include <signal.h>
#include <cstdlib>
#include <cassert>
static bool volatile signal_thread_in_use= false;
extern "C" void drizzled_print_signal_warning(int sig);
extern "C" void drizzled_handle_segfault(int sig);
extern "C" void drizzled_end_thread_signal(int sig);
/*
posix sigaction() based signal handler implementation
On some systems, such as Mac OS X, sigset() results in flags
such as SA_RESTART being set, and we want to make sure that no such
flags are set.
*/
static inline void ignore_signal(int sig)
{
/* Wow. There is a function sigaction which takes a pointer to a
struct sigaction. */
struct sigaction l_s;
sigset_t l_set;
sigemptyset(&l_set);
assert(sig != 0);
l_s.sa_handler= SIG_IGN;
l_s.sa_mask= l_set;
l_s.sa_flags= 0;
int l_rc= sigaction(sig, &l_s, NULL);
assert(l_rc == 0);
}
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