Remove includes of "unistd.h" header, which is missing in non posix systems. Differential Revision: https://reviews.llvm.org/D277300 llvm-svn: 289965
Replace sleep() posix function by a more portable sleep_for() function from std. Also, ignore memmem() and strcasestr() on Windows. Differential Revision: https://reviews.llvm.org/D27729 llvm-svn: 289964
llvm-svn: 268821