[sanitizer] Intercept pthread_getschedparam.


git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@182353 91177308-0d34-0410-b5e6-96231b3b80d8
tsan: detect when a thread ends with ignores enabled


git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@182354 91177308-0d34-0410-b5e6-96231b3b80d8
Add lit config feature <target>-supported-target to mark target-specific tests

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@182355 91177308-0d34-0410-b5e6-96231b3b80d8
[msan] Replace GetArgv hack with something that is slightly better.


git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@182359 91177308-0d34-0410-b5e6-96231b3b80d8