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| author | Tim Moore <timoore@redhat.com> | 2009-12-08 11:06:04 +0100 |
|---|---|---|
| committer | Tim Moore <timoore@redhat.com> | 2009-12-08 11:06:04 +0100 |
| commit | 72a9e5a2d3788f5465eb5e1610f2402744054f2e (patch) | |
| tree | 31683dd0ab0e75963ce873f9ca61b3ab3b30f1c8 /grapher | |
| parent | f669d095ba7fe5a623b31abc05b4f6664059803b (diff) | |
| download | systemtap-steved-72a9e5a2d3788f5465eb5e1610f2402744054f2e.tar.gz systemtap-steved-72a9e5a2d3788f5465eb5e1610f2402744054f2e.tar.xz systemtap-steved-72a9e5a2d3788f5465eb5e1610f2402744054f2e.zip | |
tiny refactoring of signal and pipe code
Diffstat (limited to 'grapher')
| -rw-r--r-- | grapher/grapher.cxx | 17 |
1 files changed, 6 insertions, 11 deletions
diff --git a/grapher/grapher.cxx b/grapher/grapher.cxx index 1e5e30b8..567b0405 100644 --- a/grapher/grapher.cxx +++ b/grapher/grapher.cxx @@ -227,19 +227,14 @@ int StapLauncher::launch() &ChildDeathReader::ioCallback), signalPipe[0], Glib::IO_IN); } + struct sigaction action; + action.sa_sigaction = handleChild; + sigemptyset(&action.sa_mask); + action.sa_flags = SA_SIGINFO | SA_NOCLDSTOP; + sigaction(SIGCLD, &action, 0); } - struct sigaction action; - action.sa_sigaction = handleChild; - sigemptyset(&action.sa_mask); - action.sa_flags = SA_SIGINFO | SA_NOCLDSTOP; - sigaction(SIGCLD, &action, 0); int pipefd[4]; - if (pipe(&pipefd[0]) < 0) - { - std::perror("pipe"); - exit(1); - } - if (pipe(&pipefd[2]) < 0) + if (pipe(&pipefd[0]) < 0 || pipe(&pipefd[2]) < 0) { std::perror("pipe"); exit(1); |