[CRIU] [PATCH] tests: Check that no-breakpoints restore works

[Cyrill Gorcunov]

On Wed, Apr 27, 2016 at 01:23:04PM +0300, Pavel Emelyanov wrote:
> 
> Signed-off-by: Pavel Emelyanov <xemul at virtuozzo.com>
> ---
>  criu/include/fault-injection.h | 1 +
>  criu/parasite-syscall.c        | 6 +++++-
>  test/jenkins/criu-fault.sh     | 1 +
>  3 files changed, 7 insertions(+), 1 deletion(-)
> 
> diff --git a/criu/include/fault-injection.h b/criu/include/fault-injection.h
> index c69a1c9..f1e5c72 100644
> --- a/criu/include/fault-injection.h
> +++ b/criu/include/fault-injection.h
> @@ -10,6 +10,7 @@ enum faults {
>  	/* not fatal */
>  	FI_CHECK_OPEN_HANDLE = 128,
>  	FI_NO_MEMFD = 129,
> +	FI_NO_BREAKPOINTS = 130,
>  	FI_MAX,
>  };
>  
> diff --git a/criu/parasite-syscall.c b/criu/parasite-syscall.c
> index a5b2fc7..f9e0bac 100644
> --- a/criu/parasite-syscall.c
> +++ b/criu/parasite-syscall.c
> @@ -1428,7 +1428,11 @@ int ptrace_stop_pie(pid_t pid, void *addr, enum trace_flags *tf)
>  {
>  	int ret;
>  
> -	ret = ptrace_set_breakpoint(pid, addr);
> +	if (fault_injected(FI_NO_BREAKPOINTS)) {
> +		pr_debug("Force no-breakpoints restore\n");
> +		ret = 0;
> +	} else
> +		ret = ptrace_set_breakpoint(pid, addr);
>  	if (ret < 0)
>  		return ret;

What about clear_breakpoints?