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msgctl.2: Copy information on 'msqid_ds' fields from sysvipc(7)
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
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@ -76,6 +76,49 @@ struct msqid_ds {
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.EE
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.EE
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.in
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.in
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.PP
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.PP
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The fields of the
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.I msgid_ds
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structure are as follows:
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.TP 11
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.I msg_perm
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This is an
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.I ipc_perm
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structure (see below) that specifies the access permissions on the message
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queue.
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.TP
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.I msg_qnum
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Number of messages currently on the message queue.
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.TP
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.I msg_qbytes
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Maximum number of bytes of message text allowed on the message
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queue.
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.TP
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.I msg_lspid
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ID of the process that performed the last
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.BR msgsnd (2)
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system call.
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.TP
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.I msg_lrpid
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ID of the process that performed the last
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.BR msgrcv (2)
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system call.
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.TP
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.I msg_stime
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Time of the last
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.BR msgsnd (2)
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system call.
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.TP
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.I msg_rtime
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Time of the last
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.BR msgrcv (2)
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system call.
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.TP
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.I msg_ctime
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Time of the last
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system call that changed a member of the
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.I msqid_ds
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structure.
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.PP
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The
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The
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.I ipc_perm
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.I ipc_perm
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structure is defined as follows
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structure is defined as follows
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