File indexing completed on 2025-02-16 04:37:46

 /*
     SPDX-FileCopyrightText: 2010 Joris Guisson <joris.guisson@gmail.com>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #include <QObject>
 #include <QTemporaryFile>
 #include <QtTest>
 #include <ctime>
 #include <setjmp.h>
 #include <signal.h>
 #include <sys/mman.h>
 #include <sys/types.h>
 #include <unistd.h>
 #include <util/fileops.h>
 #include <util/log.h>
 #include <util/signalcatcher.h>
 
 using namespace bt;
 
 /*
 static sigjmp_buf sj_env;
 
 static void signal_handler(int sig, siginfo_t *siginfo, void *ptr)
 {
     Q_UNUSED(siginfo);
     Q_UNUSED(ptr);
     Q_UNUSED(sig);
     // Jump to error handling code
     siglongjmp(sj_env, 1);
 }
 
 bool TestSigBusHandling()
 {
     struct sigaction act;
 
     memset(&act, 0, sizeof(act));
     act.sa_sigaction = signal_handler;
     act.sa_flags = SA_SIGINFO;
 
     if (sigaction(SIGBUS, &act, 0) == -1)
         return false;
 
     if (sigsetjmp(sj_env, 1))
     {
         return true;
     }
 
     kill(getpid(), SIGBUS);
     return false;
 }
 */
 
 class SignalCatcherTest : public QObject
 {
     Q_OBJECT
 private Q_SLOTS:
     void initTestCase()
     {
         bt::InitLog("signalcatchertest.log");
     }
 
     void cleanupTestCase()
     {
     }
 
     void testBus()
     {
         try {
             BUS_ERROR_WPROTECT();
             kill(getpid(), SIGBUS);
             QFAIL("Didn't catch SIGBUS");
         } catch (bt::BusError &e) {
             Out(SYS_GEN | LOG_DEBUG) << QString("Caught signal: %1").arg(e.toString()) << endl;
         } catch (...) {
             QFAIL("Didn't catch SIGBUS");
         }
     }
 
     void testMMap()
     {
         QTemporaryFile tmp;
         QVERIFY(tmp.open());
         int fd = tmp.handle();
         try {
             TruncateFile(fd, 4096, true);
         } catch (bt::Error &err) {
             QString msg = QString("Exception thrown: %s").arg(err.toString());
             QFAIL(msg.toLocal8Bit().constData());
         }
 
         char *ptr = (char *)mmap(nullptr, 4096, PROT_WRITE, MAP_SHARED, fd, 0);
         QVERIFY(ptr);
 
         // First try a write which should not fail
         try {
             BUS_ERROR_WPROTECT();
             memcpy(ptr, "Testing", 7);
         } catch (bt::BusError &e) {
             QString msg = QString("Caught signal: %s").arg(e.toString());
             QFAIL(msg.toLocal8Bit().constData());
         }
 
         // Lets try one which should fail
         try {
             BUS_ERROR_WPROTECT();
             TruncateFile(fd, 0, true);
             memcpy(ptr, "Testing", 7);
             QFAIL("Didn't catch SIGBUS");
         } catch (bt::BusError &e) {
             Out(SYS_GEN | LOG_DEBUG) << QString("Caught signal: %1").arg(e.toString()) << endl;
         }
     }
 };
 
 QTEST_MAIN(SignalCatcherTest)
 
 #include "signalcatchertest.moc"