block all signals (even internal ones) in cancellation signal handler

[musl] / src / stdio / fclose.c

diff --git a/src/stdio/fclose.c b/src/stdio/fclose.c
index 9481470..317b3c9 100644 (file)
--- a/src/stdio/fclose.c
+++ b/src/stdio/fclose.c
@@ -1,20 +1,30 @@
 #include "stdio_impl.h"
+#include "libc.h"
+
+static void dummy(FILE *f) { }
+weak_alias(dummy, __unlist_locked_file);
 
 int fclose(FILE *f)
 {
        int r;
-       int perm = f->flags & F_PERM;
+       int perm;
+       
+       FFINALLOCK(f);
+
+       __unlist_locked_file(f);
 
-       if (!perm) {
+       if (!(perm = f->flags & F_PERM)) {
                OFLLOCK();
                if (f->prev) f->prev->next = f->next;
                if (f->next) f->next->prev = f->prev;
-               if (ofl_head == f) ofl_head = f->next;
+               if (libc.ofl_head == f) libc.ofl_head = f->next;
                OFLUNLOCK();
        }
 
-       r = -(fflush(f) || f->close(f));
+       r = fflush(f);
+       r |= f->close(f);
 
+       if (f->getln_buf) free(f->getln_buf);
        if (!perm) free(f);
        
        return r;