few test patches for ecos-SMP

[sandeep]

Hi Jifl,

Following the suggetions in your mail on 18 Oct 2002 regarding patch generation
(on ecos-discuss mailing list) I am sending the patches to make

packages/net/common/current/tests/multi_lo_select.c
packages/kernel/current/tests/bin_sem1.cxx
packages/kernel/current/tests/mqueue1.cxx

tests work on multiprocessor system (SMP scenario). The tests, as they stand
now, will fail to work otherwise.

More details on why the changes (additions mainly) are required, are provided in 
the comments around the changes.

In short, changes in kernel part are to take care of some race conditions in 
tests, and in multi_lo_select, to take care of some synchronisation issues.

-- 
regards
sandeep
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