Re: [PATCH v5 20/35] api-lockfile: document edge cases

2014-09-23 Thread Michael Haggerty
On 09/17/2014 12:23 AM, Jonathan Nieder wrote:
 Michael Haggerty wrote:
 
 * Document the behavior of commit_lock_file() when it fails, namely
   that it rolls back the lock_file object and sets errno
   appropriately.

 * Document the behavior of rollback_lock_file() when called for a
   lock_file object that has already been committed or rolled back,
   namely that it is a NOOP.
 
 I think this would be easier to read in a separate error handling
 section.  That way, when writing new code using the lockfile API,
 I can quickly find what functions to use and quickly find out what
 the error handling conventions are --- each use of the documentation
 wouldn't interfere with the other.

I added a little blurb in the error handling section explaining how
commit_lock_file() and close_lock_file() behave on failure, but I left
the detailed information in the sections on those functions because I
couldn't find a graceful way to put all of the information in the error
handling sections.

If you have a concrete suggestion, as they say, patches are welcome :-)

Michael

-- 
Michael Haggerty
mhag...@alum.mit.edu

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Re: [PATCH v5 20/35] api-lockfile: document edge cases

2014-09-16 Thread Jonathan Nieder
Michael Haggerty wrote:

 * Document the behavior of commit_lock_file() when it fails, namely
   that it rolls back the lock_file object and sets errno
   appropriately.

 * Document the behavior of rollback_lock_file() when called for a
   lock_file object that has already been committed or rolled back,
   namely that it is a NOOP.

I think this would be easier to read in a separate error handling
section.  That way, when writing new code using the lockfile API,
I can quickly find what functions to use and quickly find out what
the error handling conventions are --- each use of the documentation
wouldn't interfere with the other.

Jonathan
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