diff options
| -rw-r--r-- | grapher/grapher.cxx | 34 |
1 files changed, 32 insertions, 2 deletions
diff --git a/grapher/grapher.cxx b/grapher/grapher.cxx index b7292cfd..0013d8b0 100644 --- a/grapher/grapher.cxx +++ b/grapher/grapher.cxx @@ -97,12 +97,42 @@ int main(int argc, char** argv) StapParser stapParser(win, win.w); - StapParser stapParser(win, w); + int childPid = -1; + if (argc > 1) + { + int pipefd[2]; + if (pipe(pipefd) < 0) + { + std::perror("pipe"); + exit(1); + } + if ((childPid = fork()) == -1) + { + exit(1); + } + else if (childPid) + { + dup2(pipefd[0], 0); + close(pipefd[0]); + } + else + { + dup2(pipefd[1], 1); + close(pipefd[1]); + execlp("stap", argv[1]); + exit(1); + return 1; + } + } Glib::signal_io().connect(sigc::mem_fun(stapParser, &StapParser::ioCallback), 0, Glib::IO_IN); Gtk::Main::run(win); - + if (childPid > 0) + kill(childPid, SIGTERM); + int status; + while (wait(&status) != -1) + ; return 0; } |