/**************************************************************************** | |
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** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). | |
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** This file is part of the tools applications of the Qt Toolkit. | |
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** rights. These rights are described in the Nokia Qt LGPL Exception | |
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. | |
** | |
** GNU General Public License Usage | |
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** file. Please review the following information to ensure the GNU General | |
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****************************************************************************/ | |
#include "ossignalconverter_p.h" | |
#include <signal.h> | |
#include <QTimer> | |
#include <stdio.h> | |
Q_GLOBAL_STATIC(OsSignalConverter, osSignalConverter); | |
OsSignalConverter* OsSignalConverter::instance() | |
{ | |
return osSignalConverter(); | |
} | |
OsSignalConverter::OsSignalConverter() | |
: d(new OsSignalConverterPrivate(this)) | |
{ | |
}; | |
OsSignalConverter::~OsSignalConverter() | |
{ | |
} | |
OsSignalConverterPrivate::OsSignalConverterPrivate(OsSignalConverter* owner) | |
: QObject(owner), q(owner), poller(new QTimer(this)) | |
{ | |
trap(); | |
connect(poller, SIGNAL(timeout()), this, SLOT(poll())); | |
poller->start(1000); | |
} | |
OsSignalConverterPrivate::~OsSignalConverterPrivate() | |
{ | |
untrap(); | |
} | |
void OsSignalConverterPrivate::trap() | |
{ | |
signal(SIGINT, handler); | |
signal(SIGTERM, handler); | |
#ifdef SIGBREAK | |
signal(SIGBREAK, handler); | |
#endif | |
#ifdef SIGHUP | |
signal(SIGHUP, handler); | |
#endif | |
#ifdef SIGQUIT | |
signal(SIGQUIT, handler); | |
#endif | |
} | |
void OsSignalConverterPrivate::untrap() | |
{ | |
signal(SIGINT, SIG_DFL); | |
signal(SIGTERM, SIG_DFL); | |
#ifdef SIGBREAK | |
signal(SIGBREAK, SIG_DFL); | |
#endif | |
#ifdef SIGHUP | |
signal(SIGHUP, SIG_DFL); | |
#endif | |
#ifdef SIGQUIT | |
signal(SIGQUIT, SIG_DFL); | |
#endif | |
} | |
void OsSignalConverterPrivate::handler(int sig) | |
{ | |
untrap(); //allow 2nd ctrl-c to really kill us | |
terminateRequest = sig; | |
} | |
void OsSignalConverterPrivate::poll() | |
{ | |
if (terminateRequest) { | |
fprintf(stderr, "\n*** caught signal %d, terminating ***\n", terminateRequest); | |
poller->stop(); | |
emit q->terminate(); | |
} | |
} | |
sig_atomic_t OsSignalConverterPrivate::terminateRequest; |