Date: Tue, 30 Nov 2021 02:16:39 GMT From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: bd44dce5b317 - main - Document posix_spawn_file_actions_addchdir_np(3) Message-ID: <202111300216.1AU2GdGw008207@gitrepo.freebsd.org>
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The branch main has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=bd44dce5b3176c19a9435a5e7e125fc06182fbc9 commit bd44dce5b3176c19a9435a5e7e125fc06182fbc9 Author: Konstantin Belousov <kib@FreeBSD.org> AuthorDate: 2021-11-28 00:11:21 +0000 Commit: Konstantin Belousov <kib@FreeBSD.org> CommitDate: 2021-11-30 01:43:54 +0000 Document posix_spawn_file_actions_addchdir_np(3) Reviewed by: kevans, ngie (previous version) Sponsored by: The FreeBSD Foundation MFC after: 1 week Differential revision: https://reviews.freebsd.org/D33143 --- lib/libc/gen/Makefile.inc | 2 + lib/libc/gen/posix_spawn.3 | 4 +- lib/libc/gen/posix_spawn_file_actions_addopen.3 | 49 ++++++++++++++++++++++++- lib/libc/gen/posix_spawn_file_actions_init.3 | 2 +- 4 files changed, 53 insertions(+), 4 deletions(-) diff --git a/lib/libc/gen/Makefile.inc b/lib/libc/gen/Makefile.inc index 75bc30d70976..0b53a275e861 100644 --- a/lib/libc/gen/Makefile.inc +++ b/lib/libc/gen/Makefile.inc @@ -464,6 +464,8 @@ 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_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 \ posix_spawn_file_actions_init.3 posix_spawn_file_actions_destroy.3 \ posix_spawnattr_getflags.3 posix_spawnattr_setflags.3 \ posix_spawnattr_getpgroup.3 posix_spawnattr_setpgroup.3 \ diff --git a/lib/libc/gen/posix_spawn.3 b/lib/libc/gen/posix_spawn.3 index 12df7dc41875..848733a41a7d 100644 --- a/lib/libc/gen/posix_spawn.3 +++ b/lib/libc/gen/posix_spawn.3 @@ -34,7 +34,7 @@ .\" .\" $FreeBSD$ .\" -.Dd January 5, 2016 +.Dd November 28, 2021 .Dt POSIX_SPAWN 3 .Os .Sh NAME @@ -436,6 +436,8 @@ including trying to close a descriptor that is not open. .Xr posix_spawn_file_actions_addclose 3 , .Xr posix_spawn_file_actions_adddup2 3 , .Xr posix_spawn_file_actions_addopen 3 , +.Xr posix_spawn_file_actions_addchdir_np 3 , +.Xr posix_spawn_file_actions_addfchdir_np 3 , .Xr posix_spawn_file_actions_destroy 3 , .Xr posix_spawn_file_actions_init 3 , .Xr posix_spawnattr_destroy 3 , diff --git a/lib/libc/gen/posix_spawn_file_actions_addopen.3 b/lib/libc/gen/posix_spawn_file_actions_addopen.3 index 5cecb49a614d..b364e92c18f8 100644 --- a/lib/libc/gen/posix_spawn_file_actions_addopen.3 +++ b/lib/libc/gen/posix_spawn_file_actions_addopen.3 @@ -40,8 +40,10 @@ .Sh NAME .Nm posix_spawn_file_actions_addopen , .Nm posix_spawn_file_actions_adddup2 , -.Nm posix_spawn_file_actions_addclose -.Nd "add open, dup2 or close action to spawn file actions object" +.Nm posix_spawn_file_actions_addclose , +.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" .Sh LIBRARY .Lb libc .Sh SYNOPSIS @@ -65,6 +67,16 @@ .Fa "posix_spawn_file_actions_t * file_actions" .Fa "int fildes" .Fc +.Ft int +.Fo posix_spawn_file_actions_addchdir_np +.Fa "posix_spawn_file_actions_t *restrict file_actions" +.Fa "const char *restrict path" +.Fc +.Ft int +.Fo posix_spawn_file_actions_addfchdir_np +.Fa "posix_spawn_file_actions_t * file_actions" +.Fa "int fildes" +.Fc .Sh DESCRIPTION These functions add an open, dup2 or close action to a spawn file actions object. @@ -163,6 +175,26 @@ close(fildes) .Pp had been called) when a new process is spawned using this file actions object. +.Pp +The +.Fn posix_spawn_file_actions_addchdir_np +and +.Fn posix_spawn_file_actions_addfchdir_np +functions add a change current directory action to the object +referenced by +.Fa file_actions +that affects actions (opens with relative path) performed after the operation, +in the order of insertion into the +.Fa file_actions +object. +It also sets the working directory for the spawned program. +The +.Fn posix_spawn_file_actions_addchdir_np +function takes the +.Fa path +to set as the working directory, while +.Fn posix_spawn_file_actions_addfchdir_np +takes the directory file descriptor. .Sh RETURN VALUES Upon successful completion, these functions return zero; otherwise, an error number is returned to indicate the error. @@ -204,6 +236,13 @@ is equal to (clearing .Dv FD_CLOEXEC ) . A future update of the Standard is expected to require this behavior. +.Pp +The +.Fn posix_spawn_file_actions_addchdir_np +and +.Fn posix_spawn_file_actions_addfchdir_np +functions are non-standard functions implemented after the similar +functionality provided by glibc. .Sh HISTORY The .Fn posix_spawn_file_actions_addopen , @@ -212,5 +251,11 @@ and .Fn posix_spawn_file_actions_addclose functions first appeared in .Fx 8.0 . +The +.Fn posix_spawn_file_actions_addchdir_np +and +.Fn posix_spawn_file_actions_addfchdir_np +functions first appeared in +.Fx 14.0 . .Sh AUTHORS .An \&Ed Schouten Aq Mt ed@FreeBSD.org diff --git a/lib/libc/gen/posix_spawn_file_actions_init.3 b/lib/libc/gen/posix_spawn_file_actions_init.3 index 380eed769003..31b62beed570 100644 --- a/lib/libc/gen/posix_spawn_file_actions_init.3 +++ b/lib/libc/gen/posix_spawn_file_actions_init.3 @@ -34,7 +34,7 @@ .\" .\" $FreeBSD$ .\" -.Dd March 24, 2008 +.Dd November 28, 2021 .Dt POSIX_SPAWN_FILE_ACTIONS_INIT 3 .Os .Sh NAME
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