From nobody Mon Mar 24 02:24:45 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 4ZLcML1S6jz5r9fh; Mon, 24 Mar 2025 02:24:46 +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 "R10" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4ZLcMK5sc3z4942; Mon, 24 Mar 2025 02:24:45 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1742783085; 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=0U796YsqC6duXYyllyQR68HPqjKvRjKxJCpMVBFXSvs=; b=QudmVG51iuKstHsNIZidCiysqHtpd4D6nacSa1DK3trUWo39LbQQZVtT2x2hQNtcp+lrUy lzZU1tgr9Tkz3vU9vsu4ihBQ8IXapYFtMuO+hEvTNQCTiO1HqYVe9QK/J4xEoqwmVnFQ5o myIZz3QBLMdwTON+54ygNXQjaj+BsEBC3nb0OL6iTB2ULj2W6WHewhg6c58OzndQQqyprW CfwNl/G/sYLtinnJn0UaTBZ5+z8Hs7VsI7QXZllsw+EhMTINSUAuK3aC98kBKtgPyyXOpp hqlxmaopC0qzGqE972+WWOmQI+ZhVpMFsv4HFolYr6P8vCsMOOEnDABvz49jyw== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1742783085; a=rsa-sha256; cv=none; b=qsnYpgSrzpCsuBuDS9UX6uNlLfdINez1RahwwjmWZNkmTIaifrGak/JAtZ6PLZUajL4tIC 6TCxkSLIYV05Wml3c3WiSAY1foEgcmgdJOtF7EscLpYNyQOKlWtjSjTxEM3Kae5+oCM6d6 3d32iANTkxr/I+Jx37LyoVPgWvccTpXBNNbf5JkPUu461ls0Cc4aun4xhnib0/E2FJpvei B8Kb8OPy+RuwZtyk8DkqZY+6ewvBdHiMPPYRg8bNdtRysRnF258xmQRk1uu8z7tUWmwG76 cGyo3D/O+puzMK9QFFb9bbqQxiY85EEQVmKY4fSKE6RmKfg7+iyqi7BNBi7ARQ== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1742783085; 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=0U796YsqC6duXYyllyQR68HPqjKvRjKxJCpMVBFXSvs=; b=shmT4ihf9izB5zsmp7srEpBr7KEzWxwYsQQh0D1N9QPR7FtnLI6jGdgApxwKPYlsTH33O/ 4s4e1ustejcD3smaz03MJJw/XJz1xLhnu73mllXUdTCk2++MrBfRECZlhVA8Ui7R6xKoVO u2cwDD3TrNR9huLAB5pbi4BQ0d2MrFVIH68yNO+ripE7196KupNdf780eVmihLiVAtfefd PRyMsou9sqCL9zynAW33WiLac4ZLZNgyg6lasgpTepHE1ps09WMG112a1EHiJq/bkQIYtl itIW8YuF+T+5Tf3NzpacFqZqDOFvIJxSEqPaPVEgv7yFgw3DMhydOzDSXjjIkg== 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 4ZLcMK5QVNzb03; Mon, 24 Mar 2025 02:24:45 +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 52O2Oj1N069622; Mon, 24 Mar 2025 02:24:45 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.18.1/8.18.1/Submit) id 52O2Oj5P069619; Mon, 24 Mar 2025 02:24:45 GMT (envelope-from git) Date: Mon, 24 Mar 2025 02:24:45 GMT Message-Id: <202503240224.52O2Oj5P069619@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: 4b69f1fab66d - main - descriptors: add fget_remote_foreach() 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: 4b69f1fab66db4fd3f874e78a457e317cd498d36 Auto-Submitted: auto-generated The branch main has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=4b69f1fab66db4fd3f874e78a457e317cd498d36 commit 4b69f1fab66db4fd3f874e78a457e317cd498d36 Author: Konstantin Belousov AuthorDate: 2025-03-18 02:10:03 +0000 Commit: Konstantin Belousov CommitDate: 2025-03-24 02:24:13 +0000 descriptors: add fget_remote_foreach() Suggested by: markj Reviewed by: markj Sponsored by: The FreeBSD Foundation MFC after: 1 week Differential revision: https://reviews.freebsd.org/D49372 --- sys/kern/kern_descrip.c | 41 +++++++++++++++++++++++++++++++++++++++++ sys/sys/file.h | 2 ++ 2 files changed, 43 insertions(+) diff --git a/sys/kern/kern_descrip.c b/sys/kern/kern_descrip.c index dcb1f5d921db..9d81c30df328 100644 --- a/sys/kern/kern_descrip.c +++ b/sys/kern/kern_descrip.c @@ -2993,6 +2993,47 @@ fget_remote(struct thread *td, struct proc *p, int fd, struct file **fpp) return (error); } +int +fget_remote_foreach(struct thread *td, struct proc *p, + int (*fn)(struct proc *, int, struct file *, void *), void *arg) +{ + struct filedesc *fdp; + struct fdescenttbl *fdt; + struct file *fp; + int error, error1, fd, highfd; + + error = 0; + PROC_LOCK(p); + fdp = fdhold(p); + PROC_UNLOCK(p); + if (fdp == NULL) + return (ENOENT); + + FILEDESC_SLOCK(fdp); + if (refcount_load(&fdp->fd_refcnt) != 0) { + fdt = atomic_load_ptr(&fdp->fd_files); + highfd = fdt->fdt_nfiles - 1; + FILEDESC_SUNLOCK(fdp); + } else { + error = ENOENT; + FILEDESC_SUNLOCK(fdp); + goto out; + } + + for (fd = 0; fd <= highfd; fd++) { + error1 = fget_remote(td, p, fd, &fp); + if (error1 != 0) + continue; + error = fn(p, fd, fp, arg); + fdrop(fp, td); + if (error != 0) + break; + } +out: + fddrop(fdp); + return (error); +} + #ifdef CAPABILITIES int fgetvp_lookup_smr(struct nameidata *ndp, struct vnode **vpp, bool *fsearch) diff --git a/sys/sys/file.h b/sys/sys/file.h index bc7dd7e06ded..d0b53196151e 100644 --- a/sys/sys/file.h +++ b/sys/sys/file.h @@ -267,6 +267,8 @@ int fget_fcntl(struct thread *td, int fd, cap_rights_t *rightsp, int needfcntl, struct file **fpp); int _fdrop(struct file *fp, struct thread *td); int fget_remote(struct thread *td, struct proc *p, int fd, struct file **fpp); +int fget_remote_foreach(struct thread *td, struct proc *p, + int (*fn)(struct proc *, int, struct file *, void *), void *arg); fo_rdwr_t invfo_rdwr; fo_truncate_t invfo_truncate;