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Diffstat (limited to 'microkernel/mach/message.mdwn')
-rw-r--r-- | microkernel/mach/message.mdwn | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/microkernel/mach/message.mdwn b/microkernel/mach/message.mdwn index ba47671e..4c49af17 100644 --- a/microkernel/mach/message.mdwn +++ b/microkernel/mach/message.mdwn @@ -1,4 +1,4 @@ -[[!meta copyright="Copyright © 2002, 2003, 2010 Free Software Foundation, +[[!meta copyright="Copyright © 2002, 2003, 2010, 2012 Free Software Foundation, Inc."]] [[!meta license="""[[!toggle id="license" text="GFDL 1.2+"]][[!toggleable @@ -9,9 +9,11 @@ Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled [[GNU Free Documentation License|/fdl]]."]]"""]] -*Messages* are collections of typed data, with a defined layout. +*Messages* are collections of typed data, with a defined layout, including an +[[ID|msgh_id]]. -They are used for [[IPC]], and are sent to and received from [[port]]s. +They are used for [[IPC]], and are sent to and received from [[port]]s using +the `mach_msg` interface. These messages are not only opaque data. They can also contain [[port rights|port]] to be passed to another [[task]]. Port rights are either |