On Mon, 20 Apr 2020 at 16:24, Eric Blake <eblake@xxxxxxxxxx> wrote: > It will be interesting to find how much code (wrongly) assumes it can > use a blind assignment of fcntl(fd, F_SETFD, 1) and thereby accidentally > wipes out other existing flags, when it should have instead been doing a > read-modify-write to protect flags other than FD_CLOEXEC. For instance, a quick grep shows 4 instances of this in QEMU :-) thanks -- PMM
