* localtime.cc (localtime_r): Call tzset.

* Makefile.in: Make version.h/cygwin.din version check a warning since it is
not foolproof.
* cygheap.h (CYGHEAPSIZE): Bump size down.
* cygtls.h (_threadinfo::stacklock): New element.
(_threadinfo::pop): Make regparm.
(_threadinfo::lock): New function.
(_threadinfo::unlock): New function.
* cygtls.cc (_threadinfo::push): Wait for a lock on the stack before performing
the operation.
(_threadinfo::pop): Move to another file.
* cygwin.din: More SIGFE changes.
* exceptions.cc (try_to_debug): Always display messages on console.
(handle_exceptions): Unwind stack only when actually about to call sig_send.
(setup_handler): Lock stack prior to performing any operations.
* gendef (_sigfe): Ditto.
(_sigbe): Ditto.
(_threadinfo::pop): Ditto.  Move here.
* gen_tlsoffsets: Generate positive offsets.
* tlsoffsets.h: Regenerate.

1 files changed, 4 insertions, 14 deletions

diff --git a/winsup/cygwin/cygtls.cc b/winsup/cygwin/cygtls.cc
index a74412637..becde2d73 100644
--- a/winsup/cygwin/cygtls.cc
+++ b/winsup/cygwin/cygtls.cc
@@ -155,24 +155,14 @@ _threadinfo::remove (DWORD wait)
 void
 _threadinfo::push (__stack_t addr, bool exception)
 {
+  if (exception)
+    lock (true);
   *stackptr++ = (__stack_t) addr;
+  if (exception)
+    unlock ();
   set_state (exception);
 }
 
-__stack_t
-_threadinfo::pop ()
-{
-#ifdef DEBUGGING
-  assert (stackptr > stack);
-#endif
-  __stack_t res = *--stackptr;
-#ifdef DEBUGGING
-  *stackptr = 0;
-  debug_printf ("popped %p, stack %p, stackptr %p", res, stack, stackptr);
-#endif
-  return res;
-}
-
 #define BAD_IX ((size_t) -1)
 static size_t NO_COPY threadlist_ix = BAD_IX;