| msgctl.2 (108030) | msgctl.2 (108087) |
|---|---|
| 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 108030 2002-12-18 10:13:54Z ru $ | 32.\" $FreeBSD: head/lib/libc/gen/msgctl.3 108087 2002-12-19 09:40:28Z ru $ |
| 33.\"/ 34.Dd November 24, 1997 35.Dt MSGCTL 3 36.Os 37.Sh NAME 38.Nm msgctl 39.Nd message control operations 40.Sh LIBRARY --- 128 unchanged lines hidden (view full) --- 169.Rv -std msgctl 170.Sh ERRORS 171The 172.Fn msgctl 173function 174will fail if: 175.Bl -tag -width Er 176.It Bq Er EPERM | 33.\"/ 34.Dd November 24, 1997 35.Dt MSGCTL 3 36.Os 37.Sh NAME 38.Nm msgctl 39.Nd message control operations 40.Sh LIBRARY --- 128 unchanged lines hidden (view full) --- 169.Rv -std msgctl 170.Sh ERRORS 171The 172.Fn msgctl 173function 174will fail if: 175.Bl -tag -width Er 176.It Bq Er EPERM |
| 177The |
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| 177.Fa cmd | 178.Fa cmd |
| 179argument |
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| 178is equal to IPC_SET or IPC_RMID and the caller is not the super-user, nor does 179the effective uid match either the 180.Va msg_perm.uid 181or 182.Va msg_perm.cuid 183fields of the data structure associated with the message queue. 184.Pp 185An attempt is made to increase the value of 186.Va msg_qbytes 187through IPC_SET 188but the caller is not the super-user. 189.It Bq Er EACCES 190The command is IPC_STAT 191and the caller has no read permission for this message queue. 192.It Bq Er EINVAL | 180is equal to IPC_SET or IPC_RMID and the caller is not the super-user, nor does 181the effective uid match either the 182.Va msg_perm.uid 183or 184.Va msg_perm.cuid 185fields of the data structure associated with the message queue. 186.Pp 187An attempt is made to increase the value of 188.Va msg_qbytes 189through IPC_SET 190but the caller is not the super-user. 191.It Bq Er EACCES 192The command is IPC_STAT 193and the caller has no read permission for this message queue. 194.It Bq Er EINVAL |
| 195The |
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| 193.Fa msqid | 196.Fa msqid |
| 197argument |
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| 194is not a valid message queue identifier. 195.Pp 196.Va cmd 197is not a valid command. 198.It Bq Er EFAULT | 198is not a valid message queue identifier. 199.Pp 200.Va cmd 201is not a valid command. 202.It Bq Er EFAULT |
| 203The |
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| 199.Fa buf | 204.Fa buf |
| 205argument |
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| 200specifies an invalid address. 201.El 202.Sh SEE ALSO 203.Xr msgget 3 , 204.Xr msgrcv 3 , 205.Xr msgsnd 3 206.Sh HISTORY 207Message queues appeared in the first release of 208.At V . | 206specifies an invalid address. 207.El 208.Sh SEE ALSO 209.Xr msgget 3 , 210.Xr msgrcv 3 , 211.Xr msgsnd 3 212.Sh HISTORY 213Message queues appeared in the first release of 214.At V . |