Make the newly-introduced critical section a bit smaller.

diff --git a/src/sort.c b/src/sort.c
index 7c541d796d84ec12d9763ac95c29392b45c3ba73..3b6cfb09b51fd5d3bc1844d1227924bf9f002ff8 100644 (file)
--- a/src/sort.c
+++ b/src/sort.c
@@ -528,11 +528,13 @@ zaptemp (const char *name)
     if (node->name == name)
       {
        /* Unlink the temporary file in a critical section, to avoid races.  */
+       struct tempnode *t = node->next;
        sigprocmask (SIG_BLOCK, &caught_signals, &oldset);
        unlink (name);
-       if (! (*pnode = node->next))
-         temptail = pnode;
+       *pnode = t;
        sigprocmask (SIG_SETMASK, &oldset, NULL);
+       if (! t)
+         temptail = pnode;
        free (node);
        break;
       }