[Chicken-janitors] #669: please add ability to call fchdir to posix module.

[Chicken Trac]

#669: please add ability to call fchdir to posix module.
----------------------------+-----------------------------------------------
 Reporter:  alanpost        |       Owner:       
     Type:  defect          |      Status:  new  
 Priority:  minor           |   Milestone:  4.8.0
Component:  core libraries  |     Version:  4.7.x
 Keywords:                  |  
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 The fchdir call is like the chdir call, except it takes an open file
 descriptor rather than a filepath.

 Using this call on Unix is more reliable for keeping a handle on where you
 are in the filesystem, relative to using a pathname: a file descriptor
 will point to the same resource even when the path (or a component of it)
 is renamed.

 Will you apply this patch to chicken-core?

 * I'm not certain at all I've selected a good name for this routine.  Will
 you perfect the name change-directory/fd?
 * I'm not sure how to implement it on w32, so I have not modified
 posixwin.scm.

 If this patch is not acceptable, what must I do to get it applied?

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Ticket URL: <http://bugs.call-cc.org/ticket/669>
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