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lwp_wait(): don't need to check for process exit, cv_wait_sig() does it.

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ad 2020-04-19 23:05:04 +00:00
parent 3d41695df4
commit bdfa5c0012
1 changed files with 6 additions and 8 deletions
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14
sys/kern/kern_lwp.c
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@ -1,4 +1,4 @@
/* $NetBSD: kern_lwp.c,v 1.233 2020/04/04 20:20:12 thorpej Exp $ */
/* $NetBSD: kern_lwp.c,v 1.234 2020/04/19 23:05:04 ad Exp $ */
/*-
* Copyright (c) 2001, 2006, 2007, 2008, 2009, 2019, 2020
@ -211,7 +211,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: kern_lwp.c,v 1.233 2020/04/04 20:20:12 thorpej Exp $");
__KERNEL_RCSID(0, "$NetBSD: kern_lwp.c,v 1.234 2020/04/19 23:05:04 ad Exp $");
#include "opt_ddb.h"
#include "opt_lockdebug.h"
@ -740,13 +740,11 @@ lwp_wait(struct lwp *l, lwpid_t lid, lwpid_t *departed, bool exiting)
}
/*
* Break out if the process is exiting, or if all LWPs are
* in _lwp_wait(). There are other ways to hang the process
* with _lwp_wait(), but the sleep is interruptable so
* little point checking for them.
* Break out if all LWPs are in _lwp_wait(). There are
* other ways to hang the process with _lwp_wait(), but the
* sleep is interruptable so little point checking for them.
*/
if ((p->p_sflag & PS_WEXIT) != 0 ||
p->p_nlwpwait == p->p_nlwps) {
if (p->p_nlwpwait == p->p_nlwps) {
error = EDEADLK;
break;
}