[tarantool-patches] Re: [PATCH 1/2] fiber: remove fiber local storage

Vladislav Shpilevoy v.shpilevoy at tarantool.org
Thu Jun 14 20:33:42 MSK 2018


Hello. Thanks for the review!

On 14/06/2018 00:11, Konstantin Osipov wrote:
> * Vladislav Shpilevoy <v.shpilevoy at tarantool.org> [18/06/09 22:33]:
>> Replace it with more specific structures and pointers in order to
>> prepare to add `net` storage.
>>
>> This allows to make the code working with fiber storage simpler,
>> remove useless wrappers and casts, and in the next patch - remove
>> broken session.sync and add fiber sync.
> 
> Please write a comment stating that under no circumstances fiber.h
> is allowed to include application-specific headers, one only is allowed to add opaque
> pointers to the storage struct. I actually thought that you're
> going to make it more general, adopting a concept similar to Lua
> stack. Anyway, the simpler the better, we can make it more general
> when we need it, it's OK to push.

I have added the comment to the code:

@@ -331,6 +331,11 @@ struct fiber_attr {
  void
  fiber_attr_create(struct fiber_attr *fiber_attr);
  
+/**
+ * Under no circumstances this header file is allowed to include
+ * application-specific headers like session.h or txn.h. One only
+ * is allowed to announce a struct and add opaque pointer to it.
+ */
  struct session;
  struct txn;
  struct credentials;

And to the commit message.

The patchset is pushed.


>> ---
>>   src/box/session.cc  |  4 +--
>>   src/box/session.h   | 14 ++++------
>>   src/box/txn.c       |  2 +-
>>   src/box/txn.h       |  2 +-
>>   src/fiber.c         |  9 ++----
>>   src/fiber.h         | 80 +++++++++++++++++++----------------------------------
>>   src/fiber_channel.c | 31 ++++++---------------
>>   src/lua/fiber.c     | 19 ++++++-------
> 




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