[SCM] GNU Mach branch, master, updated. v1.4-478-g6b0ceb8

[Justus Winter]

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- Log -----------------------------------------------------------------
commit 6b0ceb8aec7dc2d607523d7aadc2fec237ce2ca8
Author: Justus Winter <address@hidden>
Date:   Fri Nov 22 16:03:52 2013 +0100

    ipc: provide the protected payload in ipc_kmsg_copyout_header
    
    * ipc/ipc_kmsg.c (ipc_kmsg_copyout_header): If a protected payload is
    set for the destination port, provide it in msgh_protected_payload.
    * ipc/mach_msg.c (mach_msg_trap): Likewise in the fast paths.
    * doc/mach.texi (Message Receive): Document message semantics with
    protected payloads.

commit a8d611bdbf48906010c6cde67eb6ff720e715cf0
Author: Justus Winter <address@hidden>
Date:   Mon Nov 25 01:27:14 2013 +0100

    include: define MACH_MSG_TYPE_PROTECTED_PAYLOAD
    
    * include/mach/message.h: Define MACH_MSG_TYPE_PROTECTED_PAYLOAD.
    (MACH_MSG_TYPE_LAST): Adjust accordingly.
    * doc/mach.texi (Message Format): Document
    MACH_MSG_TYPE_PROTECTED_PAYLOAD.

commit 56dc414b0699d1576fc1deb983a4bd2b0ef10f5d
Author: Justus Winter <address@hidden>
Date:   Fri Nov 22 10:04:07 2013 +0100

    include: add msgh_protected_payload to mach_msg_header_t
    
    * include/mach/message.h (mach_msg_header_t): Add
      msgh_protected_payload as a union with msgh_local_port.
    * doc/mach.texi (Message Format): Document msgh_protected_payload.

commit c4baf67b71e20d1fdd2cc6bda1a2ea15e9853cdd
Author: Justus Winter <address@hidden>
Date:   Thu Nov 21 17:23:31 2013 +0100

    ipc: implement mach_port_{set,clear}_protected_payload
    
    * include/mach/mach_port.defs: Add mach_port_{set,clear}_protected_payload.
    * ipc/mach_port.c: Implement mach_port_{set,clear}_protected_payload.
    * doc/mach.texi (Receive Rights): Document
    mach_port_{set,clear}_protected_payload.

commit d565bf2f784ce1203e77306d05eade03933bc523
Author: Justus Winter <address@hidden>
Date:   Thu Nov 21 16:50:49 2013 +0100

    ipc: add protected payload
    
    Add a field ip_protected_payload and a flag ip_has_protected_payload
    to struct ipc_port.
    
    Clear the protected payload when a receive port is moved from one ipc
    space to another.  This is done to retain the old behavior of
    mach_msg, so that a port name is sent in the msgh_local_port field.
    If the new owner of that receive right wishes to use the protected
    payload mechanism, it has to be explicitly set again.
    
    * ipc/ipc_port.h (struct ipc_port): Add field ip_protected_payload.
    (ipc_port_set_protected_payload): Add function declaration.
    (ipc_port_clear_protected_payload): Likewise.
    (ipc_port_flag_protected_payload): Add accessor for the protected
    payload flag.
    (ipc_port_flag_protected_payload_set): Likewise.
    (ipc_port_flag_protected_payload_clear): Likewise.
    * ipc/ipc_port.c (ipc_port_init): Initialize protected payload.
    (ipc_port_print): Print protected_payload.
    (ipc_port_set_protected_payload): New function.
    (ipc_port_clear_protected_payload): Likewise.
    (ipc_port_destroy): Clear the payload when moving a receive port.
    * ipc/ipc_right.c (ipc_right_copyin): Likewise.
    (ipc_right_copyout): Likewise.
    * ipc/ipc_object.c (ipc_object_copyin_from_kernel): Likewise.
    * ipc/ipc_object.h (IO_BITS_PROTECTED_PAYLOAD): New bitmask.
    (IO_BITS_OTYPE): Adjust accordingly.

-----------------------------------------------------------------------

Summary of changes:
 doc/mach.texi               |   69 ++++++++++++++++++++++++++++++++++++++++
 include/mach/mach_port.defs |   18 ++++++++++
 include/mach/message.h      |    9 ++++-
 ipc/ipc_kmsg.c              |   58 ++++++++++++++++++++++++++--------
 ipc/ipc_object.c            |    1 +
 ipc/ipc_object.h            |    4 ++-
 ipc/ipc_port.c              |   48 ++++++++++++++++++++++++++++
 ipc/ipc_port.h              |   27 ++++++++++++++++
 ipc/ipc_right.c             |   12 +++++++
 ipc/mach_msg.c              |   53 +++++++++++++++++++++++--------
 ipc/mach_port.c             |   73 +++++++++++++++++++++++++++++++++++++++++++
 11 files changed, 343 insertions(+), 29 deletions(-)


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