From 72a9e5a2d3788f5465eb5e1610f2402744054f2e Mon Sep 17 00:00:00 2001
From: Tim Moore <timoore@redhat.com>
Date: Tue, 8 Dec 2009 11:06:04 +0100
Subject: tiny refactoring of signal and pipe code

---
 grapher/grapher.cxx | 17 ++++++-----------
 1 file 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);
-- 
cgit