Examples with GdbBacktrace org.eclipse.che.plugin.gdb.server.parser.GdbBacktrace used on opensource projects

Example 1 with GdbBacktrace

use of org.eclipse.che.plugin.gdb.server.parser.GdbBacktrace in project che by eclipse.

the class Gdb method suspend.

public Location suspend(final String file, boolean isRemoteConnection) throws IOException, InterruptedException, DebuggerException {
    if (pid < 0) {
        throw new DebuggerException("Gdb process not found.");
    }
    if (isRemoteConnection) {
        Runtime.getRuntime().exec("kill -SIGINT " + pid).waitFor();
        sendCommand("signal SIGSTOP ");
    } else {
        final List<String> outputs = new ArrayList<>();
        final ProcessBuilder processBuilder = new ProcessBuilder().command("ps", "-o", "pid,cmd", "--ppid", String.valueOf(pid));
        final Process process = processBuilder.start();
        LineConsumer stdout = new AbstractLineConsumer() {

            @Override
            public void writeLine(String line) throws IOException {
                outputs.add(line);
            }
        };
        ProcessUtil.process(process, stdout);
        int processId = -1;
        for (String output : outputs) {
            try {
                final ProcessInfo processInfo = ProcessInfo.parse(output);
                if (file.equals(processInfo.getProcessName())) {
                    processId = processInfo.getProcessId();
                }
            } catch (Exception e) {
            //we can't get info about current process, but we are trying to get info about another processes
            }
        }
        if (processId == -1) {
            throw new DebuggerException(format("Process %s not found.", file));
        }
        Runtime.getRuntime().exec("kill -SIGINT " + processId).waitFor();
    }
    final GdbOutput gdbOutput = sendCommand("backtrace");
    final GdbBacktrace backtrace = GdbBacktrace.parse(gdbOutput);
    final Map<Integer, Location> frames = backtrace.getFrames();
    if (frames.containsKey(0)) {
        return frames.get(0);
    }
    throw new DebuggerException("Unable recognize current location for debugger session. ");
}