* cygtls.h (_cygtls::init_exception_handler): Eliminate argument.

(_cygtls::andreas): Convert to a pointer.
(san): Convert to a real class with methods.  Use a linked list to keep track
of previous handlers on the "stack".
(myfault): Rewrite to use new san class rather than calling directly into
_cygtls.
* cygtls.cc (_cygtls::init_exception_handler): Just assume that we're always
using the standard exception handler.
(_cygtls::init_thread): Reflect loss of argument to init_exception_handler.
* dcrt0.cc (dll_crt0_1): Ditto.
* dfcn.cc (dlopen): Ditto.
(dlclose): Reset the exception handler after FreeLibrary.
* dll_init.cc (dll_list::detach): Make sure that the exception handler is
initialized before calling destructors.
* exceptions.cc (_cygtls::handle_exceptions): Accommodate new andreas pointer.
* thread.cc (verifyable_object_isvalid): Pass objectptr to faulted for explicit
NULL pointer checking.
* tlsoffsets.h: Regenerate.

1 files changed, 3 insertions, 1 deletions

diff --git a/winsup/cygwin/dll_init.cc b/winsup/cygwin/dll_init.cc
index 055b1060f..8fef9d8b1 100644
--- a/winsup/cygwin/dll_init.cc
+++ b/winsup/cygwin/dll_init.cc
@@ -169,6 +169,8 @@ dll_list::detach (void *retaddr)
     system_printf ("WARNING: trying to detach an already detached dll ...");
   if (--d->count == 0)
     {
+      /* Make sure our exception handler is enabled for destructors */
+      _my_tls.init_exception_handler ();
       __cxa_finalize (d);
       d->run_dtors ();
       d->prev->next = d->next;
@@ -329,7 +331,7 @@ dll_dllcrt0_1 (VOID *x)
      the exception handler should be guaranteed to be installed.
      I'm leaving it in until potentially after the release of
      1.7.1 */
-  _my_tls.init_exception_handler (_cygtls::handle_exceptions);
+  _my_tls.init_exception_handler ();
 
   if (p == NULL)
     p = &__cygwin_user_data;