static int stdio_fclose(void *opaque) { QEMUFileStdio *s = opaque; int ret = 0; if (s->file->ops->put_buffer || s->file->ops->writev_buffer) { int fd = fileno(s->stdio_file); struct stat st; ret = fstat(fd, &st); if (ret == 0 && S_ISREG(st.st_mode)) { /* * If the file handle is a regular file make sure the * data is flushed to disk before signaling success. */ ret = fsync(fd); if (ret != 0) { ret = -errno; return ret; } } } if (fclose(s->stdio_file) == EOF) { ret = -errno; } g_free(s); return ret; }