| msgctl.2 (195172) | msgctl.2 (195656) |
|---|---|
| 1.\" $NetBSD: msgctl.2,v 1.1 1995/10/16 23:49:15 jtc Exp $ 2.\" 3.\" Copyright (c) 1995 Frank van der Linden 4.\" All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: --- 15 unchanged lines hidden (view full) --- 24.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31.\" | 1.\" $NetBSD: msgctl.2,v 1.1 1995/10/16 23:49:15 jtc Exp $ 2.\" 3.\" Copyright (c) 1995 Frank van der Linden 4.\" All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: --- 15 unchanged lines hidden (view full) --- 24.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31.\" |
| 32.\" $FreeBSD: head/lib/libc/gen/msgctl.3 195172 2009-06-29 18:54:17Z kib $ | 32.\" $FreeBSD: head/lib/libc/sys/msgctl.2 195656 2009-07-13 12:53:43Z trasz $ |
| 33.\"/ | 33.\"/ |
| 34.Dd April 3, 2008 35.Dt MSGCTL 3 | 34.Dd July 9, 2009 35.Dt MSGCTL 2 |
| 36.Os 37.Sh NAME 38.Nm msgctl 39.Nd message control operations 40.Sh LIBRARY 41.Lb libc 42.Sh SYNOPSIS 43.In sys/types.h --- 95 unchanged lines hidden (view full) --- 139with an effective uid equal to the 140.Va msg_perm.cuid 141or 142.Va msg_perm.uid 143values in the data structure associated with the queue can do this. 144.El 145.Pp 146The permission to read from or write to a message queue (see | 36.Os 37.Sh NAME 38.Nm msgctl 39.Nd message control operations 40.Sh LIBRARY 41.Lb libc 42.Sh SYNOPSIS 43.In sys/types.h --- 95 unchanged lines hidden (view full) --- 139with an effective uid equal to the 140.Va msg_perm.cuid 141or 142.Va msg_perm.uid 143values in the data structure associated with the queue can do this. 144.El 145.Pp 146The permission to read from or write to a message queue (see |
| 147.Xr msgsnd 3 | 147.Xr msgsnd 2 |
| 148and | 148and |
| 149.Xr msgrcv 3 ) | 149.Xr msgrcv 2 ) |
| 150is determined by the 151.Va msg_perm.mode 152field in the same way as is 153done with files (see 154.Xr chmod 2 ) , 155but the effective uid can match either the 156.Va msg_perm.cuid 157field or the --- 39 unchanged lines hidden (view full) --- 197is not a valid command. 198.It Bq Er EFAULT 199The 200.Fa buf 201argument 202specifies an invalid address. 203.El 204.Sh SEE ALSO | 150is determined by the 151.Va msg_perm.mode 152field in the same way as is 153done with files (see 154.Xr chmod 2 ) , 155but the effective uid can match either the 156.Va msg_perm.cuid 157field or the --- 39 unchanged lines hidden (view full) --- 197is not a valid command. 198.It Bq Er EFAULT 199The 200.Fa buf 201argument 202specifies an invalid address. 203.El 204.Sh SEE ALSO |
| 205.Xr msgget 3 , 206.Xr msgrcv 3 , 207.Xr msgsnd 3 | 205.Xr msgget 2 , 206.Xr msgrcv 2 , 207.Xr msgsnd 2 |
| 208.Sh HISTORY 209Message queues appeared in the first release of 210.At V . | 208.Sh HISTORY 209Message queues appeared in the first release of 210.At V . |