[PATCH i-g-t v6 08/14] lib/xe/xe_spin: Avoid pthread_cancel use by introducing an exit flag

[Zbigniew Kempczyński]

On Fri, May 16, 2025 at 04:05:45PM +0000, Jeevaka Prabu Badrappan wrote:
> Android build fails due to pthread_cancel unavailability.
> Replace pthread_cancel with thread exit based on an exit flag.

Reviewed-by: Zbigniew Kempczyński <zbigniew.kempczynski at intel.com>

--
Zbigniew

> 
> Signed-off-by: Jeevaka Prabu Badrappan <jeevaka.badrappan at intel.com>
> ---
>  lib/xe/xe_spin.c | 10 ++++++++++
>  1 file changed, 10 insertions(+)
> 
> diff --git a/lib/xe/xe_spin.c b/lib/xe/xe_spin.c
> index a92903b6b..23f1dfbfd 100644
> --- a/lib/xe/xe_spin.c
> +++ b/lib/xe/xe_spin.c
> @@ -7,6 +7,7 @@
>   */
>  
>  #include <string.h>
> +#include <sys/timerfd.h>
>  
>  #include "drmtest.h"
>  #include "igt.h"
> @@ -264,7 +265,16 @@ void xe_spin_free(int fd, struct igt_spin *spin)
>  	igt_assert(spin->driver == INTEL_DRIVER_XE);
>  
>  	if (spin->timerfd >= 0) {
> +#ifdef ANDROID
> +		struct itimerspec its;
> +
> +		memset(&its, 0, sizeof(its));
> +		its.it_value.tv_sec = 0;
> +		its.it_value.tv_nsec = 1;
> +		timerfd_settime(spin->timerfd, 0, &its, NULL);
> +#else
>  		pthread_cancel(spin->timer_thread);
> +#endif
>  		igt_assert(pthread_join(spin->timer_thread, NULL) == 0);
>  		close(spin->timerfd);
>  	}
> -- 
> 2.49.0
>