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Replace the even-odd test for incrementing unblockgen with a simple

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blockgen!=unblockgen.  I'm not sure this is 100% correct, but it partly
alleviates a problem with multiple unblocks for the same thread getting
stacked up.
This commit is contained in:
mycroft 2005-01-06 17:40:22 +00:00
parent 75a9478818
commit 077972bfb2
1 changed files with 3 additions and 3 deletions
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6
lib/libpthread/pthread_run.c
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@ -1,4 +1,4 @@
/* $NetBSD: pthread_run.c,v 1.17 2004/03/14 01:19:42 cl Exp $ */
/* $NetBSD: pthread_run.c,v 1.18 2005/01/06 17:40:22 mycroft Exp $ */
/*-
* Copyright (c) 2001 The NetBSD Foundation, Inc.
@ -37,7 +37,7 @@
*/
#include <sys/cdefs.h>
__RCSID("$NetBSD: pthread_run.c,v 1.17 2004/03/14 01:19:42 cl Exp $");
__RCSID("$NetBSD: pthread_run.c,v 1.18 2005/01/06 17:40:22 mycroft Exp $");
#include <ucontext.h>
#include <errno.h>
@ -265,7 +265,7 @@ pthread__sched_bulk(pthread_t self, pthread_t qhead)
next = qhead->pt_next;
pthread__assert(qhead->pt_spinlocks == 0);
pthread__assert(qhead->pt_type != PT_THREAD_UPCALL);
if (qhead->pt_unblockgen & 1)
if (qhead->pt_unblockgen != qhead->pt_blockgen)
qhead->pt_unblockgen++;
if (qhead->pt_type == PT_THREAD_NORMAL) {
qhead->pt_state = PT_STATE_RUNNABLE;