From nobody Sat Oct 18 05:14:15 2025 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 4cpVGw0Wvwz6CQGF; Sat, 18 Oct 2025 05:14:16 +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 "R12" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4cpVGv55Lmz3V3S; Sat, 18 Oct 2025 05:14:15 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1760764455; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=BVaZjdR1OME61VUPJgAmSUpKV29zrRUBvLaUvj2gQYA=; b=SsUzJ3iU0WDtcfivylKLxn586nt/PqPB0knJ4pHB+oWzL38N/juuX6TjeliOFjJLn0sHwY N5qTMcG6pZ5HAo2lsM2OMQfKxQFq5zcm8fzX8TCmvZjkwDEOgsZi8DrebUebTVe7M2EeNS 0RnMfKjP57CDagn+YtaAg3GEb0fK1TV/nskFDWwOLPzLSm4B4gCliM+ooZESYCc0V8hb0M Xyqbcf4eUQbF4inv4aa5KA5iDe1u7vHJiCZQpw1M3tzE9zA7Dw7vHsYIPSfX/rYCnTWzE6 KBcRePx1zAp9UNZkQXwCx4UNRYKZDDb4cy6QmLGtllsq7NSl0wFI7ZK8BHYbHA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1760764455; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=BVaZjdR1OME61VUPJgAmSUpKV29zrRUBvLaUvj2gQYA=; b=NExRLkxeUR8zanAUqka8rE4VZMizB6Hwwz6xzrqcSmtoRnHkg6YaHAIB57uCvW7bAvR7uL 0h/Pfbkj6DXz7p6hwer8ST8H989QE2VHgHB5tIezrjJr9HNG73RlVePubYnsEMGwO7By4i q8jUl5sBGGUvngqwHgGHYhhGV9Rl6UrIczvnh2J08XSbKQxwCTrwzZu0jJr3FUKgbTPK1Q W/5YjFWMJJW0YzFo0FrOZJtKw0vqF36oiof1QMgpLFIBVP1gHnxA5SaBH8mFUryHhl/R8A p+yyZ9lXg10Y0Sfzo4OY2hrwnjJD9r5X63P+Biqwmpp1efAsneP31o6sOtdwxg== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1760764455; a=rsa-sha256; cv=none; b=Lk5UNWDIseyWnBHBkGliiNjVCkNzEd4acZTCB8Cq1MCLBO09XOGan0fAWv5UBxuXFzfk2r 4IbVr+mtJjvuiuFfsq/KL9Swc5fM4a7Q8+rys82ci+1f7W2eZ0mkSw1cKecDZSV4c0M2AZ 3Ifs8k+48hgBtz8xnp88+LMujcUPEUJHbPtsFuwGGt53AyLRgeTfnrQDfSsGIGaO4Fvr4q Xb0I6gMy1oh/7thxoNXbBv4z5SMJh+D0Tz+Sui5U7tQ1S6f/t9IKglk2x6zGit1WXqh8NA uykxjDs1p+c3WZstN6ArxpqLOG+YXjHNHLOlQUWKAz36iRi2j0KcExNfGE2C8w== ARC-Authentication-Results: i=1; mx1.freebsd.org; none 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 4cpVGv41T2zBng; Sat, 18 Oct 2025 05:14:15 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org ([127.0.1.44]) by gitrepo.freebsd.org (8.18.1/8.18.1) with ESMTP id 59I5EF0q062466; Sat, 18 Oct 2025 05:14:15 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.18.1/8.18.1/Submit) id 59I5EFP7062463; Sat, 18 Oct 2025 05:14:15 GMT (envelope-from git) Date: Sat, 18 Oct 2025 05:14:15 GMT Message-Id: <202510180514.59I5EFP7062463@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: c0e70e7b97dc - main - kern_event.c: support copy for timer events 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: X-BeenThere: dev-commits-src-main@freebsd.org Sender: owner-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: c0e70e7b97dcfcbeedfdfbacf1543b756a616a18 Auto-Submitted: auto-generated The branch main has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=c0e70e7b97dcfcbeedfdfbacf1543b756a616a18 commit c0e70e7b97dcfcbeedfdfbacf1543b756a616a18 Author: Konstantin Belousov AuthorDate: 2025-08-20 19:06:05 +0000 Commit: Konstantin Belousov CommitDate: 2025-10-18 05:12:36 +0000 kern_event.c: support copy for timer events Reviewed by: markj Tested by: pho Sponsored by: The FreeBSD Foundation MFC after: 2 weeks Differential revision: https://reviews.freebsd.org/D52045 --- sys/kern/kern_event.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/sys/kern/kern_event.c b/sys/kern/kern_event.c index 1f3030995ec6..4fd495fa1ec8 100644 --- a/sys/kern/kern_event.c +++ b/sys/kern/kern_event.c @@ -179,6 +179,7 @@ static void filt_timerdetach(struct knote *kn); static void filt_timerstart(struct knote *kn, sbintime_t to); static void filt_timertouch(struct knote *kn, struct kevent *kev, u_long type); +static int filt_timercopy(struct knote *kn, struct proc *p1); static int filt_timervalidate(struct knote *kn, sbintime_t *to); static int filt_timer(struct knote *kn, long hint); static int filt_userattach(struct knote *kn); @@ -215,6 +216,7 @@ static const struct filterops timer_filtops = { .f_detach = filt_timerdetach, .f_event = filt_timer, .f_touch = filt_timertouch, + .f_copy = filt_timercopy, }; static const struct filterops user_filtops = { .f_attach = filt_userattach, @@ -943,6 +945,30 @@ filt_timerattach(struct knote *kn) return (0); } +static int +filt_timercopy(struct knote *kn, struct proc *p) +{ + struct kq_timer_cb_data *kc_src, *kc; + + if (atomic_fetchadd_int(&kq_ncallouts, 1) + 1 > kq_calloutmax) { + atomic_subtract_int(&kq_ncallouts, 1); + return (ENOMEM); + } + + kn->kn_status &= ~KN_DETACHED; + kc_src = kn->kn_ptr.p_v; + kn->kn_ptr.p_v = kc = malloc(sizeof(*kc), M_KQUEUE, M_WAITOK); + kc->kn = kn; + kc->p = p; + kc->flags = kc_src->flags & ~KQ_TIMER_CB_ENQUEUED; + kc->next = kc_src->next; + kc->to = kc_src->to; + kc->cpuid = PCPU_GET(cpuid); + callout_init(&kc->c, 1); + kqtimer_sched_callout(kc); + return (0); +} + static void filt_timerstart(struct knote *kn, sbintime_t to) {