add proper fuxed-based locking for stdio

[musl] / src / stdio / __fdopen.c

diff --git a/src/stdio/__fdopen.c b/src/stdio/__fdopen.c
index b13318e..07f966a 100644 (file)
--- a/src/stdio/__fdopen.c
+++ b/src/stdio/__fdopen.c
@@ -39,11 +39,13 @@ FILE *__fdopen(int fd, const char *mode)
        f->seek = __stdio_seek;
        f->close = __stdio_close;
 
+       if (!libc.threaded) f->lock = -1;
+
        /* Add new FILE to open file list */
        OFLLOCK();
-       f->next = ofl_head;
-       if (ofl_head) ofl_head->prev = f;
-       ofl_head = f;
+       f->next = libc.ofl_head;
+       if (libc.ofl_head) libc.ofl_head->prev = f;
+       libc.ofl_head = f;
        OFLUNLOCK();
 
        return f;