Implement ScopedFD in terms of ScopedGeneric.

base/process/kill_posix.cc

 // Copyright (c) 2013 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 "base/process/kill.h"
 
 #include <signal.h>
 #include <sys/types.h>
 #include <sys/wait.h>
 #include <unistd.h>
@@ skipping 255 matching lines @@
 
 #if defined(OS_MACOSX)
 // Using kqueue on Mac so that we can wait on non-child processes.
 // We can't use kqueues on child processes because we need to reap
 // our own children using wait.
 static bool WaitForSingleNonChildProcess(ProcessHandle handle,
                                          base::TimeDelta wait) {
   DCHECK_GT(handle, 0);
   DCHECK(wait.InMilliseconds() == base::kNoTimeout || wait > base::TimeDelta());
 
-  int kq = kqueue();
-  if (kq == -1) {
+  ScopedFD kq(kqueue());
+  if (!kq) {
     DPLOG(ERROR) << "kqueue";
     return false;
   }
-  file_util::ScopedFD kq_closer(&kq);
 
   struct kevent change = {0};
   EV_SET(&change, handle, EVFILT_PROC, EV_ADD, NOTE_EXIT, 0, NULL);
-  int result = HANDLE_EINTR(kevent(kq, &change, 1, NULL, 0, NULL));
+  int result = HANDLE_EINTR(kevent(kq.get(), &change, 1, NULL, 0, NULL));
   if (result == -1) {
     if (errno == ESRCH) {
       // If the process wasn't found, it must be dead.
       return true;
     }
 
     DPLOG(ERROR) << "kevent (setup " << handle << ")";
     return false;
   }
 
@@ skipping 13 matching lines @@
   while (wait_forever || remaining_delta > base::TimeDelta()) {
     struct timespec remaining_timespec;
     struct timespec* remaining_timespec_ptr;
     if (wait_forever) {
       remaining_timespec_ptr = NULL;
     } else {
       remaining_timespec = remaining_delta.ToTimeSpec();
       remaining_timespec_ptr = &remaining_timespec;
     }
 
-    result = kevent(kq, NULL, 0, &event, 1, remaining_timespec_ptr);
+    result = kevent(kq.get(), NULL, 0, &event, 1, remaining_timespec_ptr);
 
     if (result == -1 && errno == EINTR) {
       if (!wait_forever) {
         remaining_delta = deadline - base::TimeTicks::Now();
       }
       result = 0;
     } else {
       break;
     }
   }
@@ skipping 158 matching lines @@
   if (IsChildDead(process))
     return;
 
   BackgroundReaper* reaper = new BackgroundReaper(process, 0);
   PlatformThread::CreateNonJoinable(0, reaper);
 }
 
 #endif  // !defined(OS_MACOSX)
 
 }  // namespace base