Use HANDLE_EINTR when calling waitpid

chrome/common/process_watcher_posix.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/common/process_watcher.h"
 
 #include <errno.h>
 #include <signal.h>
 #include <sys/types.h>
 #include <sys/wait.h>
@@ skipping 25 matching lines @@
   }
 
   void ThreadMain() {
     WaitForChildToDie();
     delete this;
   }
 
   void WaitForChildToDie() {
     // Wait forever case.
     if (timeout_ == 0) {
-      pid_t r = waitpid(child_, NULL, 0);
+      pid_t r = HANDLE_EINTR(waitpid(child_, NULL, 0));
       if (r != child_) {
         LOG(ERROR) << "While waiting for " << child_
                    << " to terminate, we got the following result: " << r;
       }
       return;
     }
 
     // There's no good way to wait for a specific child to exit in a timed
     // fashion. (No kqueue on Linux), so we just loop and sleep.
 
@@ skipping 36 matching lines @@
 
 // static
 void ProcessWatcher::EnsureProcessGetsReaped(base::ProcessHandle process) {
   // If the child is already dead, then there's nothing to do
   if (IsChildDead(process))
     return;
 
   BackgroundReaper* reaper = new BackgroundReaper(process, 0);
   PlatformThread::CreateNonJoinable(0, reaper);
 }