diff options
-rw-r--r-- | tests/auto/quick/qmltests/tst_qmltests.cpp | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/tests/auto/quick/qmltests/tst_qmltests.cpp b/tests/auto/quick/qmltests/tst_qmltests.cpp index baffdbb57..5dc909709 100644 --- a/tests/auto/quick/qmltests/tst_qmltests.cpp +++ b/tests/auto/quick/qmltests/tst_qmltests.cpp @@ -31,8 +31,82 @@ #include <QtWebEngine/QQuickWebEngineProfile> #include "qt_webengine_quicktest.h" +#if defined(Q_OS_LINUX) && defined(QT_DEBUG) +#include <fcntl.h> +#include <signal.h> +#include <unistd.h> +#endif + +#if defined(Q_OS_LINUX) && defined(QT_DEBUG) +static bool debuggerPresent() +{ + int fd = open("/proc/self/status", O_RDONLY); + if (fd == -1) + return false; + char buffer[2048]; + ssize_t size = read(fd, buffer, sizeof(buffer) - 1); + if (size == -1) { + close(fd); + return false; + } + buffer[size] = 0; + const char tracerPidToken[] = "\nTracerPid:"; + char *tracerPid = strstr(buffer, tracerPidToken); + if (!tracerPid) { + close(fd); + return false; + } + tracerPid += sizeof(tracerPidToken); + long int pid = strtol(tracerPid, &tracerPid, 10); + close(fd); + return pid != 0; +} + +static void stackTrace() +{ + bool ok = false; + const int disableStackDump = qEnvironmentVariableIntValue("QTEST_DISABLE_STACK_DUMP", &ok); + if (ok && disableStackDump == 1) + return; + + if (debuggerPresent()) + return; + + fprintf(stderr, "\n========= Received signal, dumping stack ==============\n"); + char cmd[512]; + qsnprintf(cmd, 512, "gdb --pid %d 2>/dev/null <<EOF\n" + "set prompt\n" + "set height 0\n" + "thread apply all where full\n" + "detach\n" + "quit\n" + "EOF\n", + (int)getpid()); + + if (system(cmd) == -1) + fprintf(stderr, "calling gdb failed\n"); + fprintf(stderr, "========= End of stack trace ==============\n"); +} + +static void sigSegvHandler(int signum) +{ + stackTrace(); + qFatal("Received signal %d", signum); +} +#endif + int main(int argc, char **argv) { +#if defined(Q_OS_LINUX) && defined(QT_DEBUG) + struct sigaction sigAction; + + sigemptyset(&sigAction.sa_mask); + sigAction.sa_handler = &sigSegvHandler; + sigAction.sa_flags = 0; + + sigaction(SIGSEGV, &sigAction, 0); +#endif + // Inject the mock ui delegates module qputenv("QML2_IMPORT_PATH", QByteArray(TESTS_SOURCE_DIR "qmltests/mock-delegates")); QScopedPointer<Application> app; |