Add __cxa_atexit() support for gcc3. This provides support for shared object destructors called at dlclose() time. Inspired by similar changes in FreeBSD and NetBSD.

1 files changed, 6 insertions, 16 deletions

diff --git a/src/lib/libc/stdlib/exit.c b/src/lib/libc/stdlib/exit.c
index 90b7d5adc2..83fe3d2de5 100644
--- a/src/lib/libc/stdlib/exit.c
+++ b/src/lib/libc/stdlib/exit.c
@@ -1,4 +1,4 @@
-/*      $OpenBSD: exit.c,v 1.11 2005/08/08 08:05:36 espie Exp $ */
+/*      $OpenBSD: exit.c,v 1.12 2007/09/03 14:40:16 millert Exp $ */
 /*-
  * Copyright (c) 1990 The Regents of the University of California.
  * All rights reserved.
@@ -50,20 +50,10 @@ int     __isthreaded    = 0;
 void
 exit(int status)
 {
-        struct atexit *p, *q;
-        int n, pgsize = getpagesize();
-
-        if (!__atexit_invalid) {
-                p = __atexit;
-                while (p != NULL) {
-                        for (n = p->ind; --n >= 0;)
-                                if (p->fns[n] != NULL)
-                                        (*p->fns[n])();
-                        q = p;
-                        p = p->next;
-                        munmap(q, pgsize);
-                }
-        }
-        /* cleanup, if registered, was called through fns[0] in the last page */
+        /*
+         * Call functions registered by atexit() or _cxa_atexit()
+         * (including the stdio cleanup routine) and then _exit().
+         */
+        __cxa_finalize(NULL);
         _exit(status);
 }