* signal.cc (_raise): New function.

* exceptions.cc (unused_sig_wrapper): Remove _raise.
* sigproc.h (class sigframe): Default frames to skip to zero or suffer from
exuberant optimization.
* fhandler_tty.cc (fhandler_tty::write): Set appropriate errno when WriteFile
to pipe fails.

winsup/cygwin/ChangeLog

@@ -1,3 +1,12 @@
+Mon Aug 28 22:03:21 2000  Christopher Faylor <cgf@cygnus.com>
+
+	* signal.cc (_raise): New function.
+	* exceptions.cc (unused_sig_wrapper): Remove _raise.
+	* sigproc.h (class sigframe): Default frames to skip to zero or suffer
+	from exuberant optimization.
+	* fhandler_tty.cc (fhandler_tty::write): Set appropriate errno when
+	WriteFile to pipe fails.
+
 Fri Aug 25 23:44:48 2000  Christopher Faylor <cgf@cygnus.com>
 
 	* pinfo.h (pinfo): Un-inline release.

winsup/cygwin/exceptions.cc

@@ -1074,18 +1074,6 @@ void unused_sig_wrapper ()
    and returns to orignal caller. */
 __asm__ volatile ("
 	.text
-	.globl	__raise
-__raise:
-	pushl	%%ebp
-	movl	%%esp,%%ebp
-	movl	8(%%ebp),%%eax
-	pushl	%%eax
-	movl	$_myself,%%eax
-	pushl	%6(%%eax)
-	call	__kill
-	mov	%%ebp,%%esp
-	popl	%%ebp
-	ret
 
 _sigreturn:
 	addl	$4,%%esp

winsup/cygwin/fhandler_tty.cc

@@ -568,9 +568,17 @@ fhandler_tty_slave::write (const void *ptr, size_t len)
 
       if (WriteFile (get_output_handle (), buf, n, &n, NULL) == FALSE)
 	{
+	  DWORD err = GetLastError ();
 	  termios_printf ("WriteFile failed, %E");
-	  towrite = (DWORD) -1;
+	  switch (err)
+	    {
+	    case ERROR_NO_DATA:
+	      err = ERROR_IO_DEVICE;
+	    default:
+	      __seterrno ();
+	    }
 	  _raise (SIGHUP);		/* FIXME: Should this be SIGTTOU? */
+	  towrite = (DWORD) -1;
 	  break;
 	}
 

winsup/cygwin/signal.cc

@@ -144,6 +144,12 @@ kill_worker (pid_t pid, int sig)
   return res;
 }
 
+int
+_raise (int sig)
+{
+  return _kill (myself->pid, sig);
+}
+
 /* This is called _kill because the real kill is in newlib.  */
 int
 _kill (pid_t pid, int sig)

winsup/cygwin/sigproc.h

@@ -60,7 +60,7 @@ public:
   }
 
   sigframe () {st = NULL;}
-  sigframe (sigthread &t, int up = 1)
+  sigframe (sigthread &t, int up = 0)
   {
     if (!t.frame && t.id == GetCurrentThreadId ())
       set (t, up);