Fix a number of issues with the process handling

runtime/bin/platform_linux.cc

Index: runtime/bin/platform_linux.cc
diff --git a/runtime/bin/platform_linux.cc b/runtime/bin/platform_linux.cc
index 679f79cf3c242cab7bf5f98f5d05cc3762e564cb..1351c286699e2c4f1e4c7e5276d182bc46ac1e7a 100644
--- a/runtime/bin/platform_linux.cc
+++ b/runtime/bin/platform_linux.cc
@@ -4,10 +4,26 @@
 
 #include "bin/platform.h"
 
+#include <signal.h>
 #include <string.h>
 #include <unistd.h>
 
 
+bool Platform::Initialize() {
+  // Turn off the signal handler for SIGPIPE as it causes the process
+  // to terminate on writing to a closed pipe. Without the signal
+  // handler error EPIPE is set instead.
+  struct sigaction act;
+  bzero(&act, sizeof(act));
+  act.sa_handler = SIG_IGN;
+  if (sigaction(SIGPIPE, &act, 0) != 0) {
+    perror("Setting signal handler failed");
+    return false;
+  }
+  return true;
+}
+
+
 int Platform::NumberOfProcessors() {
   return sysconf(_SC_NPROCESSORS_ONLN);
 }