On 16 May 2016 at 18:33, Peter Maydell <peter.mayd...@linaro.org> wrote: > On Linux, sigprocmask() and pthread_sigmask() are in practice the > same thing (they only set the signal mask for the calling thread), > but the documentation states that the behaviour of sigprocmask() in a > multithreaded process is undefined. Use pthread_sigmask() instead > (which is what we do in almost all places in QEMU that alter the > signal mask already).
The only other sigprocmask() uses are in linux-user, apart from a couple in net/tap.c, where they're used as part of forking and spawning the helper process. I suspect this should be using qemu_fork() instead of doing it all by hand, wrongly... thanks -- PMM
