/******************************************************************************
*
* Copyright (c) 2015 Antillia.com TOSHIYUKI ARAI. ALL RIGHTS RESERVED.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer.
*
* 2. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*
* SignalSet.h
*
*****************************************************************************/
#pragma once
#include <oz++/CommonObject.h>
#include <signal.h>
namespace OZ {
class SignalSet :public CommonObject {
private:
sigset_t set;
public:
SignalSet()
{
emptify();
}
//Block all signals except SIGBUS, SIGFPE, SIGILL
void blockAll()
{
fill();
del(SIGBUS);
del(SIGFPE);
del(SIGILL);
del(SIGSEGV);
}
void emptify()
{
sigemptyset(&set);
}
void add(int signo)
{
sigaddset(&set, signo);
}
void fill()
{
sigfillset(&set);
}
void del(int signo)
{
sigdelset(&set, signo);
}
int isMember(int signo)
{
return sigismember(&set, signo);
}
sigset_t getSet()
{
return set;
}
int wait(int& sig)
{
return sigwait(&set, &sig);
}
int wait(siginfo_t& siginfo)
{
return sigwaitinfo(&set, &siginfo);
}
int wait(siginfo_t& siginfo, struct timespec& timeout)
{
return sigtimedwait(&set, &siginfo, &timeout);
}
int wait(siginfo_t* siginfo, struct timespec& timeout)
{
return sigtimedwait(&set, siginfo, &timeout);
}
int procMask(int how, sigset_t* oldset = NULL)
{
return sigprocmask(how, &set, oldset);
}
int block(sigset_t* oldset = NULL)
{
return procMask(SIG_BLOCK, oldset);
}
int unblock(sigset_t* oldset = NULL)
{
return procMask(SIG_UNBLOCK, oldset);
}
int setMask(sigset_t* oldset = NULL)
{
return procMask(SIG_SETMASK, oldset);
}
};
}