tree 372288a3d559a323da1debc51cd987eaed7938d2
parent 655ed67c2a248cf0a887229d8492d6ddc0518545
author Timothy E Baldwin <T.E.Baldwin99@members.leeds.ac.uk> 1464360714 +0100
committer Riku Voipio <riku.voipio@linaro.org> 1465306747 +0300

linux-user: Block signals during sigaction() handling

Block signals while emulating sigaction. This is a non-interruptible
syscall, and using block_signals() avoids races where the host
signal handler is invoked and tries to examine the signal handler
data structures while we are updating them.

Signed-off-by: Timothy Edward Baldwin <T.E.Baldwin99@members.leeds.ac.uk>
Message-id: 1441497448-32489-29-git-send-email-T.E.Baldwin99@members.leeds.ac.uk
[PMM: expanded commit message]
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>