always add memory streams to stdio open file list
[musl] / src / stdio / open_memstream.c
index c7330ab..9eafdfb 100644 (file)
@@ -77,12 +77,13 @@ FILE *open_memstream(char **bufp, size_t *sizep)
        f->seek = ms_seek;
        f->close = ms_close;
 
-       if (!libc.threaded) {
-               f->lock = -1;
-               f->next = libc.ofl_head;
-               if (libc.ofl_head) libc.ofl_head->prev = f;
-               libc.ofl_head = f;
-       }
+       if (!libc.threaded) f->lock = -1;
+
+       OFLLOCK();
+       f->next = libc.ofl_head;
+       if (libc.ofl_head) libc.ofl_head->prev = f;
+       libc.ofl_head = f;
+       OFLUNLOCK();
 
        return f;
 }