[src/nathanw_sa]: src/lib/libpthread Create more idle threads. In the current...

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

details:   https://anonhg.NetBSD.org/src/rev/fc415866569d
branches:  nathanw_sa
changeset: 504863:fc415866569d
user:      nathanw <nathanw%NetBSD.org@localhost>
date:      Tue Jul 17 20:18:39 2001 +0000

description:
Create more idle threads. In the current system, we need one for every level
of preemption nesting.

diffstat:

 lib/libpthread/pthread.c     |  20 +++++++++++---------
 lib/libpthread/pthread_int.h |   3 ++-
 2 files changed, 13 insertions(+), 10 deletions(-)

diffs (58 lines):

diff -r 91e4e2b1f7cb -r fc415866569d lib/libpthread/pthread.c
--- a/lib/libpthread/pthread.c  Tue Jul 17 20:13:55 2001 +0000
+++ b/lib/libpthread/pthread.c  Tue Jul 17 20:18:39 2001 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: pthread.c,v 1.1.2.3 2001/07/13 02:42:38 nathanw Exp $  */
+/*     $NetBSD: pthread.c,v 1.1.2.4 2001/07/17 20:18:39 nathanw Exp $  */
 
 /*-
  * Copyright (c) 2001 The NetBSD Foundation, Inc.
@@ -79,7 +79,7 @@
 pthread__start(void)
 {
        pthread_t first, idle;
-       int ret;
+       int i, ret;
 
        /* Basic data structure setup */
        pthread_attr_init(&pthread_default_attr);
@@ -95,13 +95,15 @@
        sigprocmask(0, NULL, &first->pt_sigmask);
        PTQ_INSERT_HEAD(&allqueue, first, pt_allq);
 
-       /* Create idle threads */
-       ret = pthread__stackalloc(&idle);
-       if (ret != 0)
-               err(1, "Couldn't allocate stack for idle thread!");
-       pthread__initthread(idle);
-       PTQ_INSERT_HEAD(&allqueue, idle, pt_allq);
-       pthread__sched_idle(first, idle);
+       for (i = 0; i < NIDLETHREADS; i++) {
+               /* Create idle threads */
+               ret = pthread__stackalloc(&idle);
+               if (ret != 0)
+                       err(1, "Couldn't allocate stack for idle thread!");
+               pthread__initthread(idle);
+               PTQ_INSERT_HEAD(&allqueue, idle, pt_allq);
+               pthread__sched_idle(first, idle);
+       }
 
        /* Start up the SA subsystem */
        pthread__sa_start();
diff -r 91e4e2b1f7cb -r fc415866569d lib/libpthread/pthread_int.h
--- a/lib/libpthread/pthread_int.h      Tue Jul 17 20:13:55 2001 +0000
+++ b/lib/libpthread/pthread_int.h      Tue Jul 17 20:18:39 2001 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: pthread_int.h,v 1.1.2.4 2001/07/13 02:42:38 nathanw Exp $      */
+/*     $NetBSD: pthread_int.h,v 1.1.2.5 2001/07/17 20:18:39 nathanw Exp $      */
 
 /*-
  * Copyright (c) 2001 The NetBSD Foundation, Inc.
@@ -136,6 +136,7 @@
 
 #define PT_UPCALLSTACKS        16
 
+#define NIDLETHREADS   4
 #define IDLESPINS      1000
 
 /* Utility functions */