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From: Jonathan Anderson <jonathan@FreeBSD.org>
Date: Tue, 5 Jul 2011 13:45:10 +0000 (UTC)
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Subject: cvs commit: src/sys/kern kern_descrip.c src/sys/sys file.h
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jonathan    2011-07-05 13:45:10 UTC

  FreeBSD src repository

  Modified files:
    sys/kern             kern_descrip.c 
    sys/sys              file.h 
  Log:
  SVN rev 223785 on 2011-07-05 13:45:10Z by jonathan
  
  Rework _fget to accept capability parameters.
  
  This new version of _fget() requires new parameters:
  - cap_rights_t needrights
      the rights that we expect the capability's rights mask to include
      (e.g. CAP_READ if we are going to read from the file)
  
  - cap_rights_t *haverights
      used to return the capability's rights mask (ignored if NULL)
  
  - u_char *maxprotp
      the maximum mmap() rights (e.g. VM_PROT_READ) that can be permitted
      (only used if we are going to mmap the file; ignored if NULL)
  
  - int fget_flags
      FGET_GETCAP if we want to return the capability itself, rather than
      the underlying object which it wraps
  
  Approved by: mentor (rwatson), re (Capsicum blanket)
  Sponsored by: Google Inc
  
  Revision  Changes    Path
  1.371     +75 -6     src/sys/kern/kern_descrip.c
  1.87      +1 -0      src/sys/sys/file.h