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Fix proc lookup by distinguishing between the "tgid" and "tid" cases.

This commit is contained in:
thorpej 2020-04-29 01:55:52 +00:00
parent 5aee0edc68
commit a05d1819c9
1 changed files with 6 additions and 7 deletions
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13
sys/compat/linux/common/linux_signal.c
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@ -1,4 +1,4 @@
/* $NetBSD: linux_signal.c,v 1.81 2019/08/23 08:31:11 maxv Exp $ */
/* $NetBSD: linux_signal.c,v 1.82 2020/04/29 01:55:52 thorpej Exp $ */
/*-
* Copyright (c) 1995, 1998 The NetBSD Foundation, Inc.
@ -48,7 +48,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: linux_signal.c,v 1.81 2019/08/23 08:31:11 maxv Exp $");
__KERNEL_RCSID(0, "$NetBSD: linux_signal.c,v 1.82 2020/04/29 01:55:52 thorpej Exp $");
#define COMPAT_LINUX 1
@ -749,10 +749,6 @@ linux_do_tkill(struct lwp *l, int tgid, int tid, int signum)
return EINVAL;
signum = linux_to_native_signo[signum];
if (tgid == -1) {
tgid = tid;
}
KSI_INIT(&ksi);
ksi.ksi_signo = signum;
ksi.ksi_code = SI_LWP;
@ -761,7 +757,10 @@ linux_do_tkill(struct lwp *l, int tgid, int tid, int signum)
ksi.ksi_lid = tid;
mutex_enter(proc_lock);
p = proc_find(tgid);
if (tgid != -1)
p = proc_find(tgid);
else
p = proc_find_lwpid(tid);
if (p == NULL) {
mutex_exit(proc_lock);
return ESRCH;