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Refer to SysV IPC permissions as numeric constants.

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POSIX defines no macros for these permissions.

Also remove unneeded headers from synopsis.

PR:		225905
Reviewed by:	wblock
MFC after:	1 week
Differential Revision:	https://reviews.freebsd.org/D14461
This commit is contained in:
brooks 2018-03-04 20:06:02 +00:00
parent f54d4ecc08
commit 45947d9442
3 changed files with 36 additions and 31 deletions
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21
lib/libc/sys/msgget.2
View File

@ -31,7 +31,7 @@
.\" $FreeBSD$
.\"
.\"/
.Dd July 9, 2009
.Dd March 4, 2018
.Dt MSGGET 2
.Os
.Sh NAME
@ -40,8 +40,6 @@
.Sh LIBRARY
.Lb libc
.Sh SYNOPSIS
.In sys/types.h
.In sys/ipc.h
.In sys/msg.h
.Ft int
.Fn msgget "key_t key" "int msgflg"
@ -83,7 +81,22 @@ are set to the effective gid of the calling process.
.It
.Va msg_perm.mode
is set to the lower 9 bits of
.Fa msgflg .
.Fa msgflg
which are set by ORing these constants:
.Bl -tag -width 0000
.It Dv 0400
Read access for user.
.It Dv 0200
Write access for user.
.It Dv 0040
Read access for group.
.It Dv 0020
Write access for group.
.It Dv 0004
Read access for other.
.It Dv 0002
Write access for other.
.El
.It
.Va msg_cbytes ,
.Va msg_qnum ,

23
lib/libc/sys/semget.2
View File

@ -25,7 +25,7 @@
.\"
.\" $FreeBSD$
.\"
.Dd February 7, 2016
.Dd March 4, 2018
.Dt SEMGET 2
.Os
.Sh NAME
@ -34,8 +34,6 @@
.Sh LIBRARY
.Lb libc
.Sh SYNOPSIS
.In sys/types.h
.In sys/ipc.h
.In sys/sem.h
.Ft int
.Fn semget "key_t key" "int nsems" "int flag"
@ -77,23 +75,22 @@ may be used to generate a key from a pathname.
.\" Likewise for this section, except SHM_* becomes SEM_*.
.\"
.Pp
The mode of a newly created IPC object is determined by
.Em OR Ns 'ing
the following constants into the
The mode of a newly created IPC object is determined by ORing these constants
into the
.Fa flag
argument:
.Bl -tag -width XSEM_WXX6XXX
.It Dv SEM_R
.Bl -tag -width 0000
.It Dv 0400
Read access for user.
.It Dv SEM_A
.It Dv 0200
Alter access for user.
.It Dv ( SEM_R>>3 )
.It Dv 0040
Read access for group.
.It Dv ( SEM_A>>3 )
.It Dv 0020
Alter access for group.
.It Dv ( SEM_R>>6 )
.It Dv 0004
Read access for other.
.It Dv ( SEM_A>>6 )
.It Dv 0002
Alter access for other.
.El
.Pp

23
lib/libc/sys/shmget.2
View File

@ -25,7 +25,7 @@
.\"
.\" $FreeBSD$
.\"
.Dd August 12, 2017
.Dd March 4, 2018
.Dt SHMGET 2
.Os
.Sh NAME
@ -34,9 +34,6 @@
.Sh LIBRARY
.Lb libc
.Sh SYNOPSIS
.In sys/types.h
.In sys/stat.h
.In sys/ipc.h
.In sys/shm.h
.Ft int
.Fn shmget "key_t key" "size_t size" "int flag"
@ -75,22 +72,21 @@ may be used to generate a key from a pathname.
.El
.Pp
The mode of a newly created IPC object is determined by
.Em OR Ns 'ing
the following constants into the
which are set by ORing these constants into the
.Fa flag
argument:
.Bl -tag -width XSHM_WXX6XXX
.It Dv S_IRUSR
.Bl -tag -width 0000
.It Dv 0400
Read access for owner.
.It Dv S_IWUSR
.It Dv 0200
Write access for owner.
.It Dv S_IRGRP
.It Dv 0040
Read access for group.
.It Dv S_IWGRP
.It Dv 0020
Write access for group.
.It Dv S_IROTH
.It Dv 0004
Read access for other.
.It Dv S_IWOTH
.It Dv 0002
Write access for other.
.El
.\"
@ -143,5 +139,4 @@ already exists.
.Xr shmat 2 ,
.Xr shmctl 2 ,
.Xr shmdt 2 ,
.Xr stat 2 ,
.Xr ftok 3