Extract SIGPIPE ignoring code to a common place.

content/app/content_main_runner.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/public/app/content_main_runner.h"
 
 #include <stdlib.h>
 
 #include "base/allocator/allocator_extension.h"
 #include "base/at_exit.h"
@@ skipping 204 matching lines @@
   memset(&sigact, 0, sizeof(sigact));
   sigact.sa_handler = SIG_DFL;
   static const int signals_to_reset[] =
       {SIGHUP, SIGINT, SIGQUIT, SIGILL, SIGABRT, SIGFPE, SIGSEGV,
        SIGALRM, SIGTERM, SIGCHLD, SIGBUS, SIGTRAP};  // SIGPIPE is set below.
   for (unsigned i = 0; i < arraysize(signals_to_reset); i++) {
     CHECK(0 == sigaction(signals_to_reset[i], &sigact, NULL));
   }
 
   // Always ignore SIGPIPE.  We check the return value of write().
-  CHECK(signal(SIGPIPE, SIG_IGN) != SIG_ERR);
+  CHECK(base::IgnoreSigPipe());
 }
 
 #endif  // OS_POSIX && !OS_IOS
 
 void CommonSubprocessInit(const std::string& process_type) {
 #if defined(OS_WIN)
   // HACK: Let Windows know that we have started.  This is needed to suppress
   // the IDC_APPSTARTING cursor from being displayed for a prolonged period
   // while a subprocess is starting.
   PostThreadMessage(GetCurrentThreadId(), WM_NULL, 0, 0);
@@ skipping 563 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(ContentMainRunnerImpl);
 };
 
 // static
 ContentMainRunner* ContentMainRunner::Create() {
   return new ContentMainRunnerImpl();
 }
 
 }  // namespace content