Added support for POSIX reader-writer locks. Modified exp-drd/tests/filter-stderr such that i386 and AMD64 now generate the same output. Removed *.stderr.exp2 files. Added section that explains differences between LinuxThreads and NPTL to exp-drd/docs/README.txt. Made error message about LinuxThreads more clear. Made error messages more uniform.

git-svn-id: svn://svn.valgrind.org/valgrind/trunk@7531 a5019735-40e9-0310-863c-91ae7b9d1cf9
38 files changed