From owner-svn-src-all@freebsd.org Thu Feb 28 22:00:37 2019 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 89B52151B2F2; Thu, 28 Feb 2019 22:00:37 +0000 (UTC) (envelope-from markj@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) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 2952F8BBB5; Thu, 28 Feb 2019 22:00:37 +0000 (UTC) (envelope-from markj@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 1D075B23F; Thu, 28 Feb 2019 22:00:37 +0000 (UTC) (envelope-from markj@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id x1SM0bPK022552; Thu, 28 Feb 2019 22:00:37 GMT (envelope-from markj@FreeBSD.org) Received: (from markj@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id x1SM0aKn022551; Thu, 28 Feb 2019 22:00:36 GMT (envelope-from markj@FreeBSD.org) Message-Id: <201902282200.x1SM0aKn022551@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: markj set sender to markj@FreeBSD.org using -f From: Mark Johnston Date: Thu, 28 Feb 2019 22:00:36 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r344670 - head/sys/kern X-SVN-Group: head X-SVN-Commit-Author: markj X-SVN-Commit-Paths: head/sys/kern X-SVN-Commit-Revision: 344670 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 2952F8BBB5 X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-2.97 / 15.00]; local_wl_from(0.00)[FreeBSD.org]; NEURAL_HAM_MEDIUM(-1.00)[-0.999,0]; NEURAL_HAM_SHORT(-0.98)[-0.976,0]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; ASN(0.00)[asn:11403, ipnet:2610:1c1:1::/48, country:US] X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 28 Feb 2019 22:00:37 -0000 Author: markj Date: Thu Feb 28 22:00:36 2019 New Revision: 344670 URL: https://svnweb.freebsd.org/changeset/base/344670 Log: Allow FIONBIO and FIOASYNC ioctls on POSIX shm descriptors. They have no effect, as with filesystem file descriptors. This improves compatibility with some existing userspace code. Submitted by: Greg V Reviewed by: kib MFC after: 1 week Differential Revision: https://reviews.freebsd.org/D19330 Modified: head/sys/kern/uipc_shm.c Modified: head/sys/kern/uipc_shm.c ============================================================================== --- head/sys/kern/uipc_shm.c Thu Feb 28 21:07:16 2019 (r344669) +++ head/sys/kern/uipc_shm.c Thu Feb 28 22:00:36 2019 (r344670) @@ -60,6 +60,7 @@ __FBSDID("$FreeBSD$"); #include #include #include +#include #include #include #include @@ -126,6 +127,7 @@ static int shm_remove(char *path, Fnv32_t fnv, struct static fo_rdwr_t shm_read; static fo_rdwr_t shm_write; static fo_truncate_t shm_truncate; +static fo_ioctl_t shm_ioctl; static fo_stat_t shm_stat; static fo_close_t shm_close; static fo_chmod_t shm_chmod; @@ -139,7 +141,7 @@ struct fileops shm_ops = { .fo_read = shm_read, .fo_write = shm_write, .fo_truncate = shm_truncate, - .fo_ioctl = invfo_ioctl, + .fo_ioctl = shm_ioctl, .fo_poll = invfo_poll, .fo_kqfilter = invfo_kqfilter, .fo_stat = shm_stat, @@ -361,6 +363,24 @@ shm_truncate(struct file *fp, off_t length, struct ucr return (error); #endif return (shm_dotruncate(shmfd, length)); +} + +int +shm_ioctl(struct file *fp, u_long com, void *data, struct ucred *active_cred, + struct thread *td) +{ + + switch (com) { + case FIONBIO: + case FIOASYNC: + /* + * Allow fcntl(fd, F_SETFL, O_NONBLOCK) to work, + * just like it would on an unlinked regular file + */ + return (0); + default: + return (ENOTTY); + } } static int