PERFORCE change 55895 for review

[David Xu]

http://perforce.freebsd.org/chv.cgi?CH=55895

Change 55895 by davidxu at davidxu_alona on 2004/06/27 04:38:14

	Add variable _libkse_debug, debugger should write it a nonzero value
	 to tell libpthread it is being debugged.

Affected files ...

.. //depot/projects/davidxu_ksedbg/src/lib/libpthread/thread/thr_init.c#2 edit
.. //depot/projects/davidxu_ksedbg/src/lib/libpthread/thread/thr_private.h#2 edit

Differences ...

==== //depot/projects/davidxu_ksedbg/src/lib/libpthread/thread/thr_init.c#2 (text+ko) ====

@@ -310,6 +310,12 @@
 
 	_thr_signal_init();
 	_kse_critical_leave(&_thr_initial->tcb->tcb_tmbx);
+	/*
+	 * activate threaded mode as soon as possible if we are
+	 * being debugged
+	 */
+	if (_libkse_debug)
+		_kse_setthreaded(1);
 }
 
 /*

==== //depot/projects/davidxu_ksedbg/src/lib/libpthread/thread/thr_private.h#2 (text+ko) ====

@@ -980,6 +980,8 @@
 SCLASS void		*_usrstack	SCLASS_PRESET(NULL);
 SCLASS struct kse	*_kse_initial	SCLASS_PRESET(NULL);
 SCLASS struct pthread	*_thr_initial	SCLASS_PRESET(NULL);
+/* For debugger */
+SCLASS int		_libkse_debug		SCLASS_PRESET(0);
 
 /* List of all threads: */
 SCLASS TAILQ_HEAD(, pthread)	_thread_list