[src/nathanw_sa]: src/lib/libpthread Track the largest LWP we've seen, to aid...

[nathanw <nathanw%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/aa45a90810fb
branches:  nathanw_sa
changeset: 506343:aa45a90810fb
user:      nathanw <nathanw%NetBSD.org@localhost>
date:      Wed Oct 16 19:30:33 2002 +0000

description:
Track the largest LWP we've seen, to aid debuggers.

(XXX probably better handled with a ptrace query, but that will
require more careful consideration)

diffstat:

 lib/libpthread/pthread_sa.c |  6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)

diffs (27 lines):

diff -r ec5ea591882e -r aa45a90810fb lib/libpthread/pthread_sa.c
--- a/lib/libpthread/pthread_sa.c       Wed Oct 16 19:23:56 2002 +0000
+++ b/lib/libpthread/pthread_sa.c       Wed Oct 16 19:30:33 2002 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: pthread_sa.c,v 1.1.2.26 2002/08/31 00:08:43 nathanw Exp $      */
+/*     $NetBSD: pthread_sa.c,v 1.1.2.27 2002/10/16 19:30:33 nathanw Exp $      */
 
 /*-
  * Copyright (c) 2001 The NetBSD Foundation, Inc.
@@ -68,6 +68,8 @@
 int    recycle_side;
 pthread_spin_t recycle_lock;
 
+int pthread__maxlwps;
+
 extern struct pthread_queue_t runqueue;
 
 #define pthread__sa_id(sap) (pthread__id((sap)->sa_context))
@@ -92,6 +94,8 @@
        self = pthread__self();
        self->pt_state = PT_STATE_RUNNING;
 
+       if (sas[0]->sa_id > pthread__maxlwps)
+               pthread__maxlwps = sas[0]->sa_id;
        SDPRINTF(("(up %p) type %d LWP %d ev %d intr %d\n", self, 
            type, sas[0]->sa_id, ev ? sas[1]->sa_id : 0, 
            intr ? sas[ev+intr]->sa_id : 0));