From 5dbaca1607d7650bfb3c8fe2766ad3aed044e0c1 Mon Sep 17 00:00:00 2001
From: Christopher Faylor <me@cgf.cx>
Date: Tue, 24 Feb 2004 17:13:16 +0000
Subject: * dcrt0.cc (_dll_crt0): Add some stern internal errors.

---
 winsup/cygwin/dcrt0.cc | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'winsup/cygwin/dcrt0.cc')

diff --git a/winsup/cygwin/dcrt0.cc b/winsup/cygwin/dcrt0.cc
index 06982e653..eba2348be 100644
--- a/winsup/cygwin/dcrt0.cc
+++ b/winsup/cygwin/dcrt0.cc
@@ -910,12 +910,18 @@ extern "C" void __stdcall
 _dll_crt0 ()
 {
   extern HANDLE sync_startup;
-  if (sync_startup)
+  if (!sync_startup)
+    system_printf ("internal error: sync_startup not called at start.  Expect signal problems.");
+  else
     {
       (void) WaitForSingleObject (sync_startup, INFINITE);
       CloseHandle (sync_startup);
     }
 
+  extern unsigned threadfunc_ix;
+  if (!threadfunc_ix)
+    system_printf ("internal error: couldn't determine location of thread function on stack.  Expect signal problems.");
+
   main_environ = user_data->envptr;
   *main_environ = NULL;
 
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