From owner-dev-commits-src-all@freebsd.org Wed Jul 7 11:12:29 2021 Return-Path: Delivered-To: dev-commits-src-all@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 642FE654245; Wed, 7 Jul 2021 11:12:29 +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 4GKcG52SZVz4gH2; Wed, 7 Jul 2021 11:12:29 +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 3D11745E8; Wed, 7 Jul 2021 11:12:29 +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 167BCT5d045422; Wed, 7 Jul 2021 11:12:29 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.16.1/8.16.1/Submit) id 167BCT9e045421; Wed, 7 Jul 2021 11:12:29 GMT (envelope-from git) Date: Wed, 7 Jul 2021 11:12:29 GMT Message-Id: <202107071112.167BCT9e045421@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: 71ab344524a1 - main - Add sv_onexec_old() sysent hook for exec event 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: 71ab344524a14f00f21c4c5638906d7b965d2b64 Auto-Submitted: auto-generated X-BeenThere: dev-commits-src-all@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Commit messages for all branches of the src repository List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 07 Jul 2021 11:12:29 -0000 The branch main has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=71ab344524a14f00f21c4c5638906d7b965d2b64 commit 71ab344524a14f00f21c4c5638906d7b965d2b64 Author: Konstantin Belousov AuthorDate: 2021-07-01 18:04:06 +0000 Commit: Konstantin Belousov CommitDate: 2021-07-07 11:12:07 +0000 Add sv_onexec_old() sysent hook for exec event Unlike sv_onexec(), it is called from the old (pre-exec) sysentvec structure. The old vmspace for the process is still intact during the call. Reviewed by: dchagin, markj Sponsored by: The FreeBSD Foundation MFC after: 2 weeks Differential revision: https://reviews.freebsd.org/D30987 --- sys/kern/kern_exec.c | 2 ++ sys/sys/sysent.h | 1 + 2 files changed, 3 insertions(+) diff --git a/sys/kern/kern_exec.c b/sys/kern/kern_exec.c index c3c23f44189e..763196a593e4 100644 --- a/sys/kern/kern_exec.c +++ b/sys/kern/kern_exec.c @@ -1064,6 +1064,8 @@ exec_new_vmspace(struct image_params *imgp, struct sysentvec *sv) sigfastblock_clear(td); umtx_exec(p); + if (p->p_sysent->sv_onexec_old != NULL) + p->p_sysent->sv_onexec_old(td); itimers_exec(p); if (sv->sv_onexec != NULL) sv->sv_onexec(p, imgp); diff --git a/sys/sys/sysent.h b/sys/sys/sysent.h index e0e5e351ae20..869c140c06f5 100644 --- a/sys/sys/sysent.h +++ b/sys/sys/sysent.h @@ -150,6 +150,7 @@ struct sysentvec { u_long *sv_hwcap2; /* Value passed in AT_HWCAP2. */ const char *(*sv_machine_arch)(struct proc *); vm_offset_t sv_fxrng_gen_base; + void (*sv_onexec_old)(struct thread *td); void (*sv_onexec)(struct proc *, struct image_params *); void (*sv_onexit)(struct proc *); void (*sv_ontdexit)(struct thread *td);