181       release_descriptor(this->descriptor_, true);  in ~File_read()
182       this->descriptor_ = -1;  in ~File_read()
195 	      && this->descriptor_ < 0  in open()
200   this->descriptor_ = open_descriptor(-1, this->name_.c_str(),  in open()
203   if (this->descriptor_ >= 0)  in open()
207       if (::fstat(this->descriptor_, &s) < 0)  in open()
216   return this->descriptor_ >= 0;  in open()
226 	      && this->descriptor_ < 0  in open()
245       this->descriptor_ = open_descriptor(this->descriptor_,  in reopen_descriptor()
248       if (this->descriptor_ < 0)  in reopen_descriptor()
282 	  release_descriptor(this->descriptor_, false);  in release()
400 	  bytes = ::pread(this->descriptor_, read_ptr, to_read, read_pos);  in do_read()
503       p = ::mmap(NULL, psize, PROT_READ, MAP_PRIVATE, this->descriptor_, poff);  in make_view()
678   if (::lseek(this->descriptor_, base + first_offset, SEEK_SET) < 0)  in do_readv()
682   ssize_t got = ::readv(this->descriptor_, iov, iov_index);  in do_readv()
949   if (fstat(this->descriptor_, &file_stat) < 0)  in get_mtime()