[Sanitizers] TSan allocator set errno on failure.
Summary:
Set proper errno code on allocation failures and change realloc, pvalloc,
aligned_alloc, memalign and posix_memalign implementation to satisfy
their man-specified requirements.
Modify allocator API implementation to bring it closer to other
sanitizers allocators.
Reviewers: dvyukov
Subscribers: llvm-commits, kubamracek
Differential Revision: https://reviews.llvm.org/D35690
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@308929 91177308-0d34-0410-b5e6-96231b3b80d8
8 files changed
