[CRIU] [PATCH 2/7] parasite: Rework init to be able to handle per-threads data

[Pavel Emelyanov]

On 11/06/2012 01:04 PM, Cyrill Gorcunov wrote:
> On Tue, Nov 06, 2012 at 01:01:59PM +0400, Pavel Emelyanov wrote:
>>> static int fini(void)
>>>  {
>>> -	if (reset_blocked == 1)
>>> -		sys_sigprocmask(SIG_SETMASK, &old_blocked, NULL, sizeof(k_rtsigset_t));
>>> +	int ret = 0, i;
>>> +
>>> +	for (i = 0; i < nr_tid_state; i++) {
>>> +		if (tid_state[i].use_sig_blocked) {
>>> +			ret |= sys_sigprocmask(SIG_SETMASK, &tid_state[i].sig_blocked,
>>> +					       NULL, sizeof(k_rtsigset_t));
>>> +		}
>>
>> WTF is that???
> 
> We need to restore original mask once parasite is fini'ting, of course
> for all threads which we have.

And why doing this in the context of one of them is correct?