if(lseek(mFileRef, 0, SEEK_SET) < 0) {
int error = errno;
secinfo("atomicfile", "lseek(%s, BEGINNING): %s", mPath.c_str(), strerror(error));
if(lseek(mFileRef, 0, SEEK_SET) < 0) {
int error = errno;
secinfo("atomicfile", "lseek(%s, BEGINNING): %s", mPath.c_str(), strerror(error));