_POSIX_THREAD_KEYS_MAX  510 native_client_sdk/src/libraries/third_party/pthreads-win32/pthread.h #undef _POSIX_THREAD_KEYS_MAX
_POSIX_THREAD_KEYS_MAX  511 native_client_sdk/src/libraries/third_party/pthreads-win32/pthread.h #define _POSIX_THREAD_KEYS_MAX                  128