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Take this commits in mainstream pls #1

Merged
merged 8 commits into from
Nov 30, 2011
Merged

Take this commits in mainstream pls #1

merged 8 commits into from
Nov 30, 2011

Commits on Nov 30, 2011

  1. Skip a standard destriptor only if it's tty (v2) 

    ZDTM tests redirect standart descriptors to /dev/null

v2: * Skip tty only if it's a standard descriptor.
    * No strcmps on names.

Acked-by: Pavel Emelyanov <xemul@parallels.com>
    @avagin
    avagin committed Nov 30, 2011
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  2. Generalization execution of parasite code. 

    It will be used for dumping sigactions too.
    @avagin
    avagin committed Nov 30, 2011
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  3. Dump and restore sigactions (v2) 

    A parasite code dumps all sigactions in sigact.pid.

v2: remove hard code for sizeof(sigset_t)

Acked-by: Pavel Emelyanov <xemul@parallels.com>
    @avagin
    avagin committed Nov 30, 2011
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  4. Dump SigBlk instead of SigCgt 

    It's because this mask will be restored as rt_sigframe->uc.uc_sigmask.
uc_sigmask will be set as current->blocked in sigreturn, so we should
dump SigBlk in this case.
    @avagin
    avagin committed Nov 30, 2011
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  5. Dump memory character devices as a file. 

    It's work for /dev/zero, /dev/null and other simple devices.
    @avagin
    avagin committed Nov 30, 2011
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  6. Restore pipe flags 

    pipe_loop00 passed with this patch.

When we restore a regular fd (not pipe) we do use flags
directly in open() call.

Acked-by: Pavel Emelyanov <xemul@parallels.com>
    @avagin
    avagin committed Nov 30, 2011
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  7. Dump direcory descriptor as a file descriptor 

    If I understand correct, they don't differ in linux.
    @avagin
    avagin committed Nov 30, 2011
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  8. Set MAP_GROWSDOWN flag for stacks

    @avagin
    avagin committed Nov 30, 2011
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