Move safe_strerror to posix directory and the base namespace

chrome/browser/process_singleton_posix.cc

 // Copyright 2014 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.
 
 // On Linux, when the user tries to launch a second copy of chrome, we check
 // for a socket in the user's profile directory.  If the socket file is open we
 // send a message to the first chrome browser process with the current
 // directory and second process command line flags.  The second process then
 // exits.
 //
@@ skipping 44 matching lines @@
 #include "base/base_paths.h"
 #include "base/basictypes.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
 #include "base/path_service.h"
 #include "base/posix/eintr_wrapper.h"
+#include "base/posix/safe_strerror.h"
 #include "base/rand_util.h"
-#include "base/safe_strerror_posix.h"
 #include "base/sequenced_task_runner_helpers.h"
 #include "base/stl_util.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_split.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/sys_string_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/threading/platform_thread.h"
 #include "base/time/time.h"
@@ skipping 51 matching lines @@
   if (-1 == flags)
     return flags;
   if (flags & FD_CLOEXEC)
     return 0;
   return fcntl(fd, F_SETFD, flags | FD_CLOEXEC);
 }
 
 // Close a socket and check return value.
 void CloseSocket(int fd) {
   int rv = IGNORE_EINTR(close(fd));
-  DCHECK_EQ(0, rv) << "Error closing socket: " << safe_strerror(errno);
+  DCHECK_EQ(0, rv) << "Error closing socket: " << base::safe_strerror(errno);
 }
 
 // Write a message to a socket fd.
 bool WriteToSocket(int fd, const char *message, size_t length) {
   DCHECK(message);
   DCHECK(length);
   size_t bytes_written = 0;
   do {
     ssize_t rv = HANDLE_EINTR(
         write(fd, message + bytes_written, length - bytes_written));
@@ skipping 854 matching lines @@
 
   SetupSocket(socket_target_path.value(), &sock, &addr);
 
   if (bind(sock, reinterpret_cast<sockaddr*>(&addr), sizeof(addr)) < 0) {
     PLOG(ERROR) << "Failed to bind() " << socket_target_path.value();
     CloseSocket(sock);
     return false;
   }
 
   if (listen(sock, 5) < 0)
-    NOTREACHED() << "listen failed: " << safe_strerror(errno);
+    NOTREACHED() << "listen failed: " << base::safe_strerror(errno);
 
   DCHECK(BrowserThread::IsMessageLoopValid(BrowserThread::IO));
   BrowserThread::PostTask(
       BrowserThread::IO,
       FROM_HERE,
       base::Bind(&ProcessSingleton::LinuxWatcher::StartListening,
                  watcher_.get(),
                  sock));
 
   return true;
@@ skipping 38 matching lines @@
   LOG(ERROR) << "Failed to extract pid from path: " << lock_path_.value();
   return true;
 }
 
 void ProcessSingleton::KillProcess(int pid) {
   // TODO(james.su@gmail.com): Is SIGKILL ok?
   int rv = kill(static_cast<base::ProcessHandle>(pid), SIGKILL);
   // ESRCH = No Such Process (can happen if the other process is already in
   // progress of shutting down and finishes before we try to kill it).
   DCHECK(rv == 0 || errno == ESRCH) << "Error killing process: "
-                                    << safe_strerror(errno);
+                                    << base::safe_strerror(errno);
 }