Prevent KSignalHandler leaking signalfd file descriptors
We need SOCK_CLOEXEC otherwise the file descriptors will be leaked to the child processes.
(cherry picked from commit 6a3cf7fe)
See also: !319 (merged)
We need SOCK_CLOEXEC otherwise the file descriptors will be leaked to the child processes.
(cherry picked from commit 6a3cf7fe)
See also: !319 (merged)