On 2011-06-14 16:05, Alexandre Raymond wrote:
> Changes since v1:
> - take pthread_sigmask() out of the ifdef as it is now common
> to both parts.
>
> This fix effectively blocks, in the main thread, the signals handled
> by signalfd or the compatibility signal thread.
>
> This way, such signals are received synchronously in the main thread
> through sigfd_handler() instead of triggering the signal handler
> directly, asynchronously.
>
> Signed-off-by: Alexandre Raymond <cerb...@gmail.com>
> ---
> cpus.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/cpus.c b/cpus.c
> index 4ab76f0..18a1522 100644
> --- a/cpus.c
> +++ b/cpus.c
> @@ -399,7 +399,6 @@ static int qemu_signal_init(void)
> sigaddset(&set, SIGALRM);
> sigaddset(&set, SIG_IPI);
> sigaddset(&set, SIGBUS);
> - pthread_sigmask(SIG_BLOCK, &set, NULL);
> #else
> sigemptyset(&set);
> sigaddset(&set, SIGBUS);
> @@ -412,6 +411,7 @@ static int qemu_signal_init(void)
> sigaddset(&set, SIGALRM);
> }
> #endif
> + pthread_sigmask(SIG_BLOCK, &set, NULL);
>
> sigfd = qemu_signalfd(&set);
> if (sigfd == -1) {
Acked-by: Jan Kiszka <jan.kis...@siemens.com>
Thanks,
Jan
--
Siemens AG, Corporate Technology, CT T DE IT 1
Corporate Competence Center Embedded Linux
