Problems: test failing on SPARC64 and hard-coded socket binds #3358
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…gned pointer access Solution: use memcpy instead of doing pointer arithmetics with casting and dereferencing to fix the error on sparc64
Solution: use wildcards or random directories to avoid races when multiple users are running the same test on the same machine
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Solutions: use memcpy to avoid unaligned pointer access (SIGBUS on sparc) and use randomised endpoints to avoid races and failures with multiple concurrent runs