6011 

  6011 static inline struct timespec get_mtime(const char* filename) {

  6012   struct stat st;

  6013   int ret = os::stat(filename, &st);

  6014   assert(ret == 0, "failed to stat() file '%s': %s", filename, strerror(errno));

  6015   return st.st_mtim;

  6016 }

  6017 

  6018 int os::compare_file_modified_times(const char* file1, const char* file2) {

  6019   struct timespec filetime1 = get_mtime(file1);

  6020   struct timespec filetime2 = get_mtime(file2);

  6021   int diff = filetime1.tv_sec - filetime2.tv_sec;

  6022   if (diff == 0) {

  6023     return filetime1.tv_nsec - filetime2.tv_nsec;

  6024   }

  6025   return diff;

  6026 }