minix/test/ds/README
David van Moolenbroek 80bd109cd3 libsys: various updates
- move system calls for use by services from libminlib into libsys;
- move srv_fork(2) and srv_kill(2) from RS and into libsys;
- replace getprocnr(2) with sef_self(3);
- rename previous getnprocnr(2) to getprocnr(2);
- clean up getepinfo(2);
- change all libsys calls that used _syscall to use _taskcall, so as
  to avoid going through errno to pass errors; this is already how
  most calls work anyway, and many of the calls previously using
  _syscall were already assumed to return the actual error;
- initialize request messages to zero, for future compatibility
  (note that this does not include PCI calls, which are in need of a
  much bigger overhaul, nor kernel calls);
- clean up more of dead DS code as a side effect.

Change-Id: I8788f54c68598fcf58e23486e270c2d749780ebb
2014-03-01 09:05:00 +01:00

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Test Program for DataServer
How to run
==========
1. Type `make` to build the tests.
2. Type `sh run` to run the tests.
How the test works
==================
`dstest` tests the new DS API (excluding ds_subscribe() and ds_check()).
test_u32, test_str, test_mem, and test_label test U32, STR, MEM, and LABEL
type respectively.
Invalid invokation is tested as well. Erroneous conditions are tested only once.
For example, publishing an entry with same label name, but without
DSF_OVERWRITE set, is tested in test_u32 and nowhere else again.
Type-specific features are always tested.
`subs` tests ds_subscribe() and ds_check(). The server subscribes
to a U32 type. When `dstest` runs, `subs` catches all the updates.