mirror of
https://github.com/crystalidea/qt6windows7.git
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59 lines
1.7 KiB
C++
59 lines
1.7 KiB
C++
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// Copyright (C) 2016 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
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#include <QtCore>
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#include <QtNetwork>
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#if defined(Q_OS_WIN) && defined(Q_CC_MSVC)
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# include <crtdbg.h>
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#endif
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#ifdef Q_OS_UNIX
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# include <sys/resource.h>
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# include <unistd.h>
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#endif
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int main(int argc, char *argv[])
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{
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#if defined(Q_OS_WIN) && defined(Q_CC_MSVC)
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// Windows: Suppress crash notification dialog.
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_CrtSetReportMode(_CRT_ERROR, _CRTDBG_MODE_DEBUG);
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#elif defined(RLIMIT_CORE)
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// Unix: set our core dump limit to zero to request no dialogs.
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if (struct rlimit rlim; getrlimit(RLIMIT_CORE, &rlim) == 0) {
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rlim.rlim_cur = 0;
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setrlimit(RLIMIT_CORE, &rlim);
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}
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#endif
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QCoreApplication app(argc, argv);
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if (argc < 1) {
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fprintf(stderr, "Need a port number\n");
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return 1;
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}
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int port = QByteArrayView(argv[1]).toInt();
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QTcpServer server;
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if (!server.listen(QHostAddress::LocalHost, port)) {
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fprintf(stderr, "Failed to listen: %s\n", server.errorString().toLatin1().constData());
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if (server.serverError() == QTcpSocket::AddressInUseError) {
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// let's see if we can find the process that would be holding this
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// still open
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#ifdef Q_OS_LINUX
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static const char *ss_args[] = {
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"ss", "-nap", "sport", "=", argv[1], nullptr
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};
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dup2(STDERR_FILENO, STDOUT_FILENO);
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execvp(ss_args[0], const_cast<char **>(ss_args));
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#endif
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}
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return 1;
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}
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printf("Listening\n");
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fflush(stdout);
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server.waitForNewConnection(5000);
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qFatal("Crash");
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return 0;
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}
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