From nobody Fri Oct 08 00:22:07 2021 X-Original-To: dev-commits-src-main@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 809E717E50EA; Fri, 8 Oct 2021 00:22:08 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4HQTQm0CNZz3RCx; Fri, 8 Oct 2021 00:22:07 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 70EF01D536; Fri, 8 Oct 2021 00:22:07 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org ([127.0.1.44]) by gitrepo.freebsd.org (8.16.1/8.16.1) with ESMTP id 1980M71s043243; Fri, 8 Oct 2021 00:22:07 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.16.1/8.16.1/Submit) id 1980M704043242; Fri, 8 Oct 2021 00:22:07 GMT (envelope-from git) Date: Fri, 8 Oct 2021 00:22:07 GMT Message-Id: <202110080022.1980M704043242@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Konstantin Belousov Subject: git: 244ab56611c1 - main - Add curproc_sigkilled() List-Id: Commit messages for the main branch of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-main List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-dev-commits-src-main@freebsd.org X-BeenThere: dev-commits-src-main@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: kib X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: 244ab56611c15e737b76cb3950c32e37b67c26fc Auto-Submitted: auto-generated X-ThisMailContainsUnwantedMimeParts: N The branch main has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=244ab56611c15e737b76cb3950c32e37b67c26fc commit 244ab56611c15e737b76cb3950c32e37b67c26fc Author: Konstantin Belousov AuthorDate: 2021-10-05 05:08:51 +0000 Commit: Konstantin Belousov CommitDate: 2021-10-08 00:21:43 +0000 Add curproc_sigkilled() Function returns an indicator that the process was killed with SIGKILL Reviewed by: imp, markj Tested by: pho Sponsored by: The FreeBSD Foundation MFC after: 1 week Differential revision: https://reviews.freebsd.org/D32313 --- sys/kern/kern_sig.c | 23 +++++++++++++++++++++++ sys/sys/proc.h | 1 + 2 files changed, 24 insertions(+) diff --git a/sys/kern/kern_sig.c b/sys/kern/kern_sig.c index c891cc1fbbad..edafa7eda57a 100644 --- a/sys/kern/kern_sig.c +++ b/sys/kern/kern_sig.c @@ -3296,6 +3296,29 @@ sig_intr(void) return (ret); } +bool +curproc_sigkilled(void) +{ + struct thread *td; + struct proc *p; + struct sigacts *ps; + bool res; + + td = curthread; + if ((td->td_flags & TDF_NEEDSIGCHK) == 0) + return (false); + + p = td->td_proc; + PROC_LOCK(p); + ps = p->p_sigacts; + mtx_lock(&ps->ps_mtx); + res = SIGISMEMBER(td->td_sigqueue.sq_signals, SIGKILL) || + SIGISMEMBER(p->p_sigqueue.sq_signals, SIGKILL); + mtx_unlock(&ps->ps_mtx); + PROC_UNLOCK(p); + return (res); +} + void proc_wkilled(struct proc *p) { diff --git a/sys/sys/proc.h b/sys/sys/proc.h index a9cef631529d..691bdae8b41a 100644 --- a/sys/sys/proc.h +++ b/sys/sys/proc.h @@ -1161,6 +1161,7 @@ int cpu_idle_wakeup(int); extern void (*cpu_idle_hook)(sbintime_t); /* Hook to machdep CPU idler. */ void cpu_switch(struct thread *, struct thread *, struct mtx *); void cpu_throw(struct thread *, struct thread *) __dead2; +bool curproc_sigkilled(void); void userret(struct thread *, struct trapframe *); void cpu_exit(struct thread *);