Oh for sure (and I meant O_CLOEXEC, not FD_CLOEXEC) ... We are fairly thorough with using dup3, pipe2 etc in our own code, on platforms that support it. Of co

Oh for sure (and I meant O_CLOEXEC, not FD_CLOEXEC) ... We are fairly thorough with using dup3, pipe2 etc in our own code, on platforms that support it. Of course hard to control other people's code.