* DevNotes: Add entry cgf-000018.

* init.cc (dll_entry): Grab process lock before exiting to ensure that thread
doesn't exit before parent if parent is exiting.
* _cygtls.cc (_cygtls::call2): Revert previous 2012-12-21 change.
* miscfuncs.cc (thread_wrapper): Ditto.
* thread.cc (pthread::exit): Ditto.
* sigproc.cc (exit_thread): Ditto.
(wait_sig): Ditto.
* sync.cc (muto::release): Ditto.
* sync.h (muto::release): Ditto.
* sigproc.h (__SIGTHREADEXIT): Delete enum.
(exit_thread): Delete declaration.

winsup/cygwin/miscfuncs.cc

@@ -27,7 +27,6 @@ details. */
 #include "dtable.h"
 #include "cygheap.h"
 #include "pinfo.h"
-#include "sigproc.h"
 #include "exception.h"
 
 long tls_ix = -1;
@@ -547,7 +546,7 @@ thread_wrapper (VOID *arg)
 	   : : [WRAPPER_ARG] "r" (&wrapper_arg),
 	       [CYGTLS] "i" (CYGTLS_PADSIZE));
   /* Never return from here. */
-  exit_thread (0);
+  ExitThread (0);
 }
 
 HANDLE WINAPI