Hi

On Wed, Aug 24, 2022 at 2:47 PM Bin Meng <bmeng...@gmail.com> wrote:

> From: Bin Meng <bin.m...@windriver.com>
>
> At present the codes uses sigaction() to install signal handler with
> a flag SA_RESETHAND. Such usage can be covered by the signal() API
> that is a simplified interface to the general sigaction() facility.
>
> Update to use signal() to install the signal handler, as it is
> avaiable on Windows which we are going to support.
>
> Signed-off-by: Bin Meng <bin.m...@windriver.com>
> ---
>
>  tests/qtest/libqtest.c | 14 +++-----------
>  1 file changed, 3 insertions(+), 11 deletions(-)
>
> diff --git a/tests/qtest/libqtest.c b/tests/qtest/libqtest.c
> index 1b24a4f1f7..70d7578740 100644
> --- a/tests/qtest/libqtest.c
> +++ b/tests/qtest/libqtest.c
> @@ -68,7 +68,7 @@ struct QTestState
>  QTestState *global_qtest;
>
>  static GHookList abrt_hooks;
> -static struct sigaction sigact_old;
> +static sighandler_t sighandler_old;
>
>  static int qtest_query_target_endianness(QTestState *s);
>
> @@ -181,20 +181,12 @@ static void sigabrt_handler(int signo)
>
>  static void setup_sigabrt_handler(void)
>  {
> -    struct sigaction sigact;
> -
> -    /* Catch SIGABRT to clean up on g_assert() failure */
> -    sigact = (struct sigaction){
> -        .sa_handler = sigabrt_handler,
> -        .sa_flags = SA_RESETHAND,
> -    };
> -    sigemptyset(&sigact.sa_mask);
> -    sigaction(SIGABRT, &sigact, &sigact_old);
> +    sighandler_old = signal(SIGABRT, sigabrt_handler);
>  }
>
>  static void cleanup_sigabrt_handler(void)
>  {
> -    sigaction(SIGABRT, &sigact_old, NULL);
> +    signal(SIGABRT, sighandler_old);
>  }
>
>  static bool hook_list_is_empty(GHookList *hook_list)
> --
>


We should keep the sigaction() version for !WIN32, it has notoriously less
issues, more modern etc. signal() only on win32.

Although in this particular usage, I don't think that makes much
difference...

-- 
Marc-André Lureau

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