138 int64_t FdFile::Read(char* buf, int64_t byte_count, int64_t offset) const {  in Read()
140   int rc = TEMP_FAILURE_RETRY(pread64(fd_, buf, byte_count, offset));  in Read()
142   int rc = TEMP_FAILURE_RETRY(pread(fd_, buf, byte_count, offset));  in Read()
163 int64_t FdFile::Write(const char* buf, int64_t byte_count, int64_t offset) {  in Write()  argument
165   int rc = TEMP_FAILURE_RETRY(pwrite64(fd_, buf, byte_count, offset));  in Write()
167   int rc = TEMP_FAILURE_RETRY(pwrite(fd_, buf, byte_count, offset));  in Write()
181 static ssize_t ReadIgnoreOffset(int fd, void *buf, size_t count, off_t offset) {  in ReadIgnoreOffset()  argument
182   DCHECK_EQ(offset, 0);  in ReadIgnoreOffset()
187 static bool ReadFullyGeneric(int fd, void* buffer, size_t byte_count, size_t offset) {  in ReadFullyGeneric()  argument
190     ssize_t bytes_read = TEMP_FAILURE_RETRY(read_func(fd, ptr, byte_count, offset));  in ReadFullyGeneric()
198     offset += static_cast<size_t>(bytes_read);  // Move the offset forward.  in ReadFullyGeneric()
207 bool FdFile::PreadFully(void* buffer, size_t byte_count, size_t offset) {  in PreadFully()  argument
208   return ReadFullyGeneric<pread>(fd_, buffer, byte_count, offset);  in PreadFully()