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Tue, 7 Dec 2021 00:27:39 +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 1B70Rdb3021456; Tue, 7 Dec 2021 00:27:39 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.16.1/8.16.1/Submit) id 1B70RdBC021455; Tue, 7 Dec 2021 00:27:39 GMT (envelope-from git) Date: Tue, 7 Dec 2021 00:27:39 GMT Message-Id: <202112070027.1B70RdBC021455@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: Konstantin Belousov Subject: git: bc663f746ea4 - stable/13 - Document posix_spawn_file_actions_addclosefrom_np(3) List-Id: Commit messages for all branches of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-all List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-dev-commits-src-all@freebsd.org X-BeenThere: dev-commits-src-all@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/stable/13 X-Git-Reftype: branch X-Git-Commit: bc663f746ea4ef0f317e90f196ccbb41a433d691 Auto-Submitted: auto-generated ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1638836860; 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=+OyrpAG7HmWO9zDnxy39BLnY1VEhMJ03R10HL9N/fQ0=; b=KOAsPtlhYDvWHX9l02sFjHWd0jnx/Uz7+02wWhLUeO7N3DNvxnXXdjvYoQS4KUKQkILzb+ DDJkRC6MfiOoxm/n5Ys+06U//dTz58JATQwWK7Mr3Oh0mLN6L4H0FY3FA8UrwBH+uZMGb/ x3Fp5kPPVsSzuY2MG4RBAU70FgdeWvmk1uoLPwfRtF6/VF1u4aWjBxTKTi768k5JgcaIrS fJQzO99UT/ThA02/MyeFF7Ncb46m3YVfo4Spcid6dcY//l4p7YH8CQm1QBeIuQ1d7s+JMF wyzZgmqdPtBPdFjNW+9Z96CngjQ8AoPWRPgQfOghoF/3ZjNe/iT5z3wmEAVZJA== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1638836860; a=rsa-sha256; cv=none; b=sw4R/reBY+47M6of4CR710o3S8o2Jmm2Awe4b3WhCAq6UpF76Ds+M0b7CITtjJelGW7tDg uQbaFAYkPQ7JriM4Z+e3AFeQLsut1zQdk9UYe53YvXk8vi1hMhr1c1MQ4SwOfYeVut8gT8 BSoVWGHExdPW76Dk1e8tCtxPbppbfIphvoJy1ZXauKpyMA5Mbl3+A7hp5L9LvqF76AbpRe EQFTMtaLu5VnbnAtvhB8Tlz2ePvi8Ov3rr2Z7KnXCM1kk6B/Z6MGYzKNm8gtVfDa0tujeu wFVJoC+XFDlHFL1/FfppsjtOUCnB10AxPtCOl3yp08P3UfFWg7eXj4WZPy+1hA== ARC-Authentication-Results: i=1; mx1.freebsd.org; none X-ThisMailContainsUnwantedMimeParts: N The branch stable/13 has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=bc663f746ea4ef0f317e90f196ccbb41a433d691 commit bc663f746ea4ef0f317e90f196ccbb41a433d691 Author: Konstantin Belousov AuthorDate: 2021-11-28 00:23:55 +0000 Commit: Konstantin Belousov CommitDate: 2021-12-07 00:25:55 +0000 Document posix_spawn_file_actions_addclosefrom_np(3) (cherry picked from commit 78963d796d5cd8b4f6f0e810eaae7a5f02706b02) --- lib/libc/gen/Makefile.inc | 1 + lib/libc/gen/posix_spawn.3 | 6 ++++++ lib/libc/gen/posix_spawn_file_actions_addopen.3 | 26 ++++++++++++++++++++----- lib/libc/gen/posix_spawn_file_actions_init.3 | 1 + 4 files changed, 29 insertions(+), 5 deletions(-) diff --git a/lib/libc/gen/Makefile.inc b/lib/libc/gen/Makefile.inc index 47724bc347c9..c1925482d8ce 100644 --- a/lib/libc/gen/Makefile.inc +++ b/lib/libc/gen/Makefile.inc @@ -461,6 +461,7 @@ MLINKS+=modf.3 modff.3 \ MLINKS+=popen.3 pclose.3 MLINKS+=posix_spawn.3 posix_spawnp.3 \ posix_spawn_file_actions_addopen.3 posix_spawn_file_actions_addclose.3 \ + posix_spawn_file_actions_addopen.3 posix_spawn_file_actions_addclosefrom_np.3 \ posix_spawn_file_actions_addopen.3 posix_spawn_file_actions_adddup2.3 \ posix_spawn_file_actions_addopen.3 posix_spawn_file_actions_addchdir_np.3 \ posix_spawn_file_actions_addopen.3 posix_spawn_file_actions_addfchdir_np.3 \ diff --git a/lib/libc/gen/posix_spawn.3 b/lib/libc/gen/posix_spawn.3 index 848733a41a7d..f7d54903dcb6 100644 --- a/lib/libc/gen/posix_spawn.3 +++ b/lib/libc/gen/posix_spawn.3 @@ -422,6 +422,11 @@ in addition to those described by This implementation ignores any errors from .Fn close , including trying to close a descriptor that is not open. +The ignore extends to any errors from individual file descriptors +.Fn close +executed as part of the +.Fn closefrom +action. .El .Sh SEE ALSO .Xr close 2 , @@ -434,6 +439,7 @@ including trying to close a descriptor that is not open. .Xr setpgid 2 , .Xr vfork 2 , .Xr posix_spawn_file_actions_addclose 3 , +.Xr posix_spawn_file_actions_addclosefrom_np 3 , .Xr posix_spawn_file_actions_adddup2 3 , .Xr posix_spawn_file_actions_addopen 3 , .Xr posix_spawn_file_actions_addchdir_np 3 , diff --git a/lib/libc/gen/posix_spawn_file_actions_addopen.3 b/lib/libc/gen/posix_spawn_file_actions_addopen.3 index b364e92c18f8..0782e15b3126 100644 --- a/lib/libc/gen/posix_spawn_file_actions_addopen.3 +++ b/lib/libc/gen/posix_spawn_file_actions_addopen.3 @@ -41,9 +41,10 @@ .Nm posix_spawn_file_actions_addopen , .Nm posix_spawn_file_actions_adddup2 , .Nm posix_spawn_file_actions_addclose , +.Nm posix_spawn_file_actions_addclosefrom_np , .Nm posix_spawn_file_actions_addchdir_np , .Nm posix_spawn_file_actions_addfchdir_np -.Nd "add open, dup2, close, or chdir/fchdir actions to spawn file actions object" +.Nd "add open, dup2, close, closefrom, or chdir/fchdir actions to spawn file actions object" .Sh LIBRARY .Lb libc .Sh SYNOPSIS @@ -68,6 +69,11 @@ .Fa "int fildes" .Fc .Ft int +.Fo posix_spawn_file_actions_addclosefrom_np +.Fa "posix_spawn_file_actions_t * file_actions" +.Fa "int from" +.Fc +.Ft int .Fo posix_spawn_file_actions_addchdir_np .Fa "posix_spawn_file_actions_t *restrict file_actions" .Fa "const char *restrict path" @@ -177,6 +183,14 @@ had been called) when a new process is spawned using this file actions object. .Pp The +.Fn posix_spawn_file_actions_addclosefrom_np +function adds a close action to close all file descriptors numerically +equal or greater then the argument +.Fa from . +For each open file descriptor, logically the close action is performed, +and any possible errors encountered are ignored. +.Pp +The .Fn posix_spawn_file_actions_addchdir_np and .Fn posix_spawn_file_actions_addfchdir_np @@ -238,9 +252,10 @@ is equal to A future update of the Standard is expected to require this behavior. .Pp The -.Fn posix_spawn_file_actions_addchdir_np +.Fn posix_spawn_file_actions_addchdir_np , +.Fn posix_spawn_file_actions_addfchdir_np , and -.Fn posix_spawn_file_actions_addfchdir_np +.Fn posix_spawn_file_actions_addclosefrom_np functions are non-standard functions implemented after the similar functionality provided by glibc. .Sh HISTORY @@ -252,9 +267,10 @@ and functions first appeared in .Fx 8.0 . The -.Fn posix_spawn_file_actions_addchdir_np +.Fn posix_spawn_file_actions_addchdir_np , +.Fn posix_spawn_file_actions_addfchdir_np , and -.Fn posix_spawn_file_actions_addfchdir_np +.Fn posix_spawn_file_actions_addclosefrom_np functions first appeared in .Fx 14.0 . .Sh AUTHORS diff --git a/lib/libc/gen/posix_spawn_file_actions_init.3 b/lib/libc/gen/posix_spawn_file_actions_init.3 index 31b62beed570..1215a04f6386 100644 --- a/lib/libc/gen/posix_spawn_file_actions_init.3 +++ b/lib/libc/gen/posix_spawn_file_actions_init.3 @@ -83,6 +83,7 @@ Insufficient memory exists to initialize the spawn file actions object. .Sh SEE ALSO .Xr posix_spawn 3 , .Xr posix_spawn_file_actions_addclose 3 , +.Xr posix_spawn_file_actions_addclosefrom_np 3 , .Xr posix_spawn_file_actions_adddup2 3 , .Xr posix_spawn_file_actions_addopen 3 , .Xr posix_spawnp 3