POSIX: Add a macro for handling EINTR.

chrome/browser/process_singleton_linux.cc

 // Copyright (c) 2009 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 "chrome/browser/process_singleton.h"
 
 #include <errno.h>
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <sys/un.h>
 
+#include "base/eintr_wrappers.h"
 #include "base/logging.h"
 #include "base/string_util.h"
 #include "chrome/common/chrome_constants.h"
 
 ProcessSingleton::ProcessSingleton(const FilePath& user_data_dir) {
   socket_path_ = user_data_dir.Append(chrome::kSingletonSocketFilename);
 }
 
 ProcessSingleton::~ProcessSingleton() {
 }
 
 bool ProcessSingleton::NotifyOtherProcess() {
   int sock;
   sockaddr_un addr;
   SetupSocket(&sock, &addr);
 
-  if (connect(sock, reinterpret_cast<sockaddr*>(&addr), sizeof(addr)) < 0 &&
+  if (HANDLE_EINTR(connect(sock, reinterpret_cast<sockaddr*>(&addr),
+                           sizeof(addr))) < 0 &&
       (errno == ENOENT || errno == ECONNREFUSED)) {
     return false;  // Tell the caller there's nobody to notify.
   }
 
   // TODO(port): pass in info to the other process.
   // http://code.google.com/p/chromium/issues/detail?id=8073
   NOTIMPLEMENTED() << " don't know how to notify other process about us.";
 
   return true;  // We did our best, so we die here.
 }
@@ skipping 19 matching lines @@
 
 void ProcessSingleton::SetupSocket(int* sock, struct sockaddr_un* addr) {
   *sock = socket(PF_UNIX, SOCK_STREAM, 0);
   if (*sock < 0)
     LOG(FATAL) << "socket() failed: " << strerror(errno);
 
   addr->sun_family = AF_UNIX;
   base::strlcpy(addr->sun_path, socket_path_.value().c_str(),
                 sizeof(addr->sun_path));
 }