* cygthread.h (cygthread::stack_ptr): New element.

(cygthread::detach): Accept a "wait_for_signal" argument.
(cygthread::terminate_thread): New function.
* cygthread.cc (cygthread::stub): Set stack pointer argument.
(cygthread::terminate_thread): New function.  Forcibly terminate thread.
(cygthread::detach): Optionally wait for signals and kill thread when signal
arrives.
* exceptions.cc (signal_exit): Set signal_arrived prior to exiting to wake up
anything blocking on signals.
* fhandler.h (fhandler_base::set_r_no_interrupt): Change to accept bool
argument.
(fhandler_pipe::ready_for_read): Declare.
* pipe.cc (pipeargs): New structure.
(read_pipe): New thread stub wrapper for normal pipe read.
(fhandler_pipe::read): Modify to call reader in a cygthread, terminating on
signal, as appropriate.
* select.cc (fhandler_pipe::ready_for_read): Define new function.

1 files changed, 3 insertions, 1 deletions

diff --git a/winsup/cygwin/cygthread.h b/winsup/cygwin/cygthread.h
index 774c656..479a068 100644
--- a/winsup/cygwin/cygthread.h
+++ b/winsup/cygwin/cygthread.h
@@ -13,6 +13,7 @@ class cygthread
   HANDLE h;
   HANDLE ev;
   HANDLE thread_sync;
+  void *stack_ptr;
   const char *__name;
   LPTHREAD_START_ROUTINE func;
   VOID *arg;
@@ -26,12 +27,13 @@ class cygthread
   cygthread (LPTHREAD_START_ROUTINE, LPVOID, const char *);
   cygthread () {};
   static void init ();
-  void detach ();
+  void detach (bool = false);
   operator HANDLE ();
   static bool is ();
   void * operator new (size_t);
   static cygthread *freerange ();
   void exit_thread ();
+  void terminate_thread ();
   static void terminate ();
   bool SetThreadPriority (int nPriority) {return ::SetThreadPriority (h, nPriority);}
   void zap_h ()