From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A4B67C6778A for ; Tue, 24 Jul 2018 03:27:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5432E20852 for ; Tue, 24 Jul 2018 03:27:36 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5432E20852 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=xmission.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388195AbeGXEbw (ORCPT ); Tue, 24 Jul 2018 00:31:52 -0400 Received: from out03.mta.xmission.com ([166.70.13.233]:41957 "EHLO out03.mta.xmission.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388130AbeGXEbv (ORCPT ); Tue, 24 Jul 2018 00:31:51 -0400 Received: from in01.mta.xmission.com ([166.70.13.51]) by out03.mta.xmission.com with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.87) (envelope-from ) id 1fhnz2-00032R-Iy; Mon, 23 Jul 2018 21:27:32 -0600 Received: from [97.119.167.31] (helo=x220.int.ebiederm.org) by in01.mta.xmission.com with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.87) (envelope-from ) id 1fhnxY-0008AK-W4; Mon, 23 Jul 2018 21:26:01 -0600 From: "Eric W. Biederman" To: Linus Torvalds Cc: Oleg Nesterov , Andrew Morton , linux-kernel@vger.kernel.org, Wen Yang , majiang , "Eric W. Biederman" Date: Mon, 23 Jul 2018 22:24:14 -0500 Message-Id: <20180724032419.20231-15-ebiederm@xmission.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <87efft5ncd.fsf_-_@xmission.com> References: <87efft5ncd.fsf_-_@xmission.com> X-XM-SPF: eid=1fhnxY-0008AK-W4;;;mid=<20180724032419.20231-15-ebiederm@xmission.com>;;;hst=in01.mta.xmission.com;;;ip=97.119.167.31;;;frm=ebiederm@xmission.com;;;spf=neutral X-XM-AID: U2FsdGVkX1/Prr5i69ukkQtEk8V22mSEII/ti0z69Z4= X-SA-Exim-Connect-IP: 97.119.167.31 X-SA-Exim-Mail-From: ebiederm@xmission.com Subject: [PATCH 15/20] signal: Push pid type down into complete_signal. X-SA-Exim-Version: 4.2.1 (built Thu, 05 May 2016 13:38:54 -0600) X-SA-Exim-Scanned: Yes (on in01.mta.xmission.com) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This is the bottom and by pushing this down it simplifies the callers and otherwise leaves things as is. This is in preparation for allowing fork to implement better handling of signals set to groups of processes. Signed-off-by: "Eric W. Biederman" --- kernel/signal.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/kernel/signal.c b/kernel/signal.c index 1ef94303d87a..dddbea558455 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -895,7 +895,7 @@ static inline int wants_signal(int sig, struct task_struct *p) return task_curr(p) || !signal_pending(p); } -static void complete_signal(int sig, struct task_struct *p, int group) +static void complete_signal(int sig, struct task_struct *p, enum pid_type type) { struct signal_struct *signal = p->signal; struct task_struct *t; @@ -908,7 +908,7 @@ static void complete_signal(int sig, struct task_struct *p, int group) */ if (wants_signal(sig, p)) t = p; - else if (!group || thread_group_empty(p)) + else if ((type == PIDTYPE_PID) || thread_group_empty(p)) /* * There is just one thread and it does not need to be woken. * It will dequeue unblocked signals before it runs again. @@ -1096,7 +1096,7 @@ static int __send_signal(int sig, struct siginfo *info, struct task_struct *t, out_set: signalfd_notify(t, sig); sigaddset(&pending->signal, sig); - complete_signal(sig, t, type != PIDTYPE_PID); + complete_signal(sig, t, type); ret: trace_signal_generate(sig, info, t, type != PIDTYPE_PID, result); return ret; @@ -1704,7 +1704,7 @@ int send_sigqueue(struct sigqueue *q, struct pid *pid, enum pid_type type) pending = (type != PIDTYPE_PID) ? &t->signal->shared_pending : &t->pending; list_add_tail(&q->list, &pending->list); sigaddset(&pending->signal, sig); - complete_signal(sig, t, type != PIDTYPE_PID); + complete_signal(sig, t, type); result = TRACE_SIGNAL_DELIVERED; out: trace_signal_generate(sig, &q->info, t, type != PIDTYPE_PID, result); -- 2.17.1