THR: Test FAILED - conformance/interfaces/pthread_detach/4-2.test

[cocobean]

Test that pthread_detach() Upon failure, it shall return an error number:

-[EINVAL] The implemenation has detected that the value specified by 'thread' does not refer to a joinable thread.

-[ESRCH] No thread could be found corresponding to that thread. It shall not return an error code of [EINTR]

STEPS:

1. Create a thread.
2. Wait 'till the thread exits.
3. Try and detach this thread.
4. Check the return value and make sure it is ESRCH

Ref: ​https://github.com/haiku/open_posix_testsuite/blob/from_haiku_trunk/conformance/interfaces/pthread_detach/4-2.c

Expected result: Test passed

Actual Result: Test failed. Incorrect error code: 0 instead of ESRCH

Tested on: Haiku hrev54815 x86 with Open POSIX Test Suite 1.5.2