posix: replace nonstandard futimes call with futimens

base/platform_file_posix.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 "base/platform_file.h"
 
 #include <fcntl.h>
 #include <errno.h>
 #include <sys/stat.h>
 #include <unistd.h>
@@ skipping 283 matching lines @@
 
 bool TouchPlatformFile(PlatformFile file, const base::Time& last_access_time,
                        const base::Time& last_modified_time) {
   base::ThreadRestrictions::AssertIOAllowed();
   if (file < 0)
     return false;
 
   timeval times[2];
   times[0] = last_access_time.ToTimeVal();
   times[1] = last_modified_time.ToTimeVal();
+
+#ifdef __USE_XOPEN2K8
+  // futimens should be available, but futimes might not be
+  // http://pubs.opengroup.org/onlinepubs/9699919799/
+
+  timespec ts_times[2];
+  ts_times[0].tv_sec  = times[0].tv_sec;
+  ts_times[0].tv_nsec = times[0].tv_usec * 1000;
+  ts_times[1].tv_sec  = times[1].tv_sec;
+  ts_times[1].tv_nsec = times[1].tv_usec * 1000;
+
+  return !futimens(file, ts_times);
+#else
   return !futimes(file, times);
+#endif
 }
 
 bool GetPlatformFileInfo(PlatformFile file, PlatformFileInfo* info) {
   if (!info)
     return false;
 
   stat_wrapper_t file_info;
   if (CallFstat(file, &file_info))
     return false;
 
   info->is_directory = S_ISDIR(file_info.st_mode);
   info->is_symbolic_link = S_ISLNK(file_info.st_mode);
   info->size = file_info.st_size;
   info->last_modified = base::Time::FromTimeT(file_info.st_mtime);
   info->last_accessed = base::Time::FromTimeT(file_info.st_atime);
   info->creation_time = base::Time::FromTimeT(file_info.st_ctime);
   return true;
 }
 
 }  // namespace base