From 49d00285c800179072d6b576c3965fe795f821bf Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jorge=20Israel=20Pe=C3=B1a?= <jorgepblank@gmail.com>
Date: Sun, 7 Apr 2013 21:21:27 -0700
Subject: [PATCH] added SA_RESTART to automatically restart system calls
 interrupted by signals (as was already done by signal()) as well as error
 checking on sigaction()

---
 src/signal_handler.cc | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/src/signal_handler.cc b/src/signal_handler.cc
index d1e3d1ac..a40e43cb 100644
--- a/src/signal_handler.cc
+++ b/src/signal_handler.cc
@@ -76,12 +76,13 @@ SignalHandler::set_handler(unsigned int signum, Slot slot) {
 
   struct sigaction sa;
   sigemptyset(&sa.sa_mask);
-  sa.sa_flags = 0;
+  sa.sa_flags = SA_RESTART;
   sa.sa_handler = &SignalHandler::caught;
 
-  sigaction(signum, &sa, NULL);
-
-  m_handlers[signum] = slot;
+  if (sigaction(signum, &sa, NULL) == -1)
+    throw std::logic_error("Could not set sigaction: " + std::string(rak::error_number::current().c_str()));
+  else
+    m_handlers[signum] = slot;
 }
 
 void