220 	int fd;  in sysfs__read_build_id()  local
226 	fd = open(filename, O_RDONLY);  in sysfs__read_build_id()
227 	if (fd < 0)  in sysfs__read_build_id()
230 	if (fstat(fd, &stbuf) < 0)  in sysfs__read_build_id()
238 	if (read(fd, buf, buf_size) != (ssize_t) buf_size)  in sysfs__read_build_id()
245 	close(fd);  in sysfs__read_build_id()
252 	int fd = open(name, O_RDONLY);  in symsrc__init()  local
253 	if (fd < 0)  in symsrc__init()
260 	ss->fd = fd;  in symsrc__init()
265 	close(fd);  in symsrc__init()
285 	close(ss->fd);  in symsrc__destroy()
296 static int fd__is_64_bit(int fd)  in fd__is_64_bit()  argument
300 	if (lseek(fd, 0, SEEK_SET))  in fd__is_64_bit()
303 	if (readn(fd, e_ident, sizeof(e_ident)) != sizeof(e_ident))  in fd__is_64_bit()
313 enum dso_type dso__type_fd(int fd)  in dso__type_fd()  argument
318 	ret = fd__is_64_bit(fd);  in dso__type_fd()
325 	if (readn(fd, &ehdr, sizeof(ehdr)) != sizeof(ehdr))  in dso__type_fd()
343 	ret = fd__is_64_bit(ss->fd);  in dso__load_sym()
353 int file__read_maps(int fd __maybe_unused, bool exe __maybe_unused,  in file__read_maps()