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Add parent notification on SIGCONT as required by waitid(2)/wait6(2)

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This commit is contained in:
christos 2016-04-06 00:48:30 +00:00
parent 5629d779d4
commit 5ba99e8511
1 changed files with 9 additions and 5 deletions
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14
sys/kern/kern_sig.c
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@ -1,4 +1,4 @@
/* $NetBSD: kern_sig.c,v 1.323 2016/04/04 23:07:06 christos Exp $ */
/* $NetBSD: kern_sig.c,v 1.324 2016/04/06 00:48:30 christos Exp $ */
/*-
* Copyright (c) 2006, 2007, 2008 The NetBSD Foundation, Inc.
@ -70,7 +70,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: kern_sig.c,v 1.323 2016/04/04 23:07:06 christos Exp $");
__KERNEL_RCSID(0, "$NetBSD: kern_sig.c,v 1.324 2016/04/06 00:48:30 christos Exp $");
#include "opt_ptrace.h"
#include "opt_dtrace.h"
@ -1377,9 +1377,13 @@ kpsignal2(struct proc *p, ksiginfo_t *ksi)
* signal itself (if waiting on event - process runs,
* otherwise continues sleeping).
*/
if ((prop & SA_CONT) != 0 && action == SIG_DFL) {
KASSERT(signo != SIGKILL);
goto deliver;
if ((prop & SA_CONT) != 0) {
p->p_xsig = SIGCONT;
child_psignal(p, 0);
if (action == SIG_DFL) {
KASSERT(signo != SIGKILL);
goto deliver;
}
}
} else if ((prop & SA_STOP) != 0) {
/*