[lwip-devel] [task #7490] Add return value to sys_mbox_post

[Jonathan Larmour]

Follow-up Comment #36, task #7490 (project lwip):

I'm ok with the patch, although it would be easy to optimise the common case
where all the values will be the same (especially true for the default case,
and in cases where the underlying mbox does not support different sizes
anyway). So add something like:

#if ((DEFAULT_RAW_RECVMBOX_SIZE == DEFAULT_UDP_RECVMBOX_SIZE) && 
  (DEFAULT_UDP_RECVMBOX_SIZE == DEFAULT_TCP_RECVMBOX_SIZE))
/* All values identical, so just choose one of them */
# define RECVMBOX_SIZE DEFAULT_TCP_RECVMBOX_SIZE
#else
# define RECVMBOX_SIZE size
#endif

And then surround the added elements of the patch with:
#if (RECVMBOX_SIZE == size)
...
#endif

Thoughts?


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