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Fix check for pending upcalls after we return stacks. 

Noted by yamt@.
This commit is contained in:
cl 2003-11-25 10:05:17 +00:00
parent f7eea59188
commit 4da6cdf9f6
1 changed files with 7 additions and 3 deletions
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10
sys/kern/kern_sa.c
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@ -1,4 +1,4 @@
/* $NetBSD: kern_sa.c,v 1.44 2003/11/17 22:57:52 cl Exp $ */
/* $NetBSD: kern_sa.c,v 1.45 2003/11/25 10:05:17 cl Exp $ */
/*-
* Copyright (c) 2001 The NetBSD Foundation, Inc.
@ -37,7 +37,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: kern_sa.c,v 1.44 2003/11/17 22:57:52 cl Exp $");
__KERNEL_RCSID(0, "$NetBSD: kern_sa.c,v 1.45 2003/11/25 10:05:17 cl Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -276,7 +276,11 @@ sys_sa_stacks(struct lwp *l, void *v, register_t *retval)
SLIST_INSERT_HEAD(&sa->sa_stackslist, sast, sast_list);
}
if (SLIST_EMPTY(&sa->sa_stackslist) && (sa->sa_wokenq_head != NULL))
/*
* Check if there are any pending upcalls we didn't make
* because there were not enough stacks.
*/
if (sa->sa_wokenq_head != NULL)
l->l_flag |= L_SA_UPCALL;
SA_LWP_STATE_UNLOCK(l, f);