[CRIU] [PATCH 9/9] test: zdtm -- Add proc-self test

[Pavel Emelyanov]

On 05/17/2013 06:31 PM, Cyrill Gorcunov wrote:
> On Fri, May 17, 2013 at 06:27:43PM +0400, Pavel Emelyanov wrote:
>>> But we don't support yet same ID restore, so at least minimum check is needed,
>>> if you prefer I can simply drop this test out.
>>
>> No, I prefer if test after restore opens /proc/self/net again and compares
>> it with what is opened.
> 
> Hmm. I don't get it. If ns id will change, should we fail then? I guess we might
> do the following then
> 
>  - test for ns name
> 	if mismatch -- test error
>  - test for ns id
> 	if mismatch -- print this out
> 	but still PASS
> 

fd_before = open("/proc/self/ns/net"); /* -> net[:12345:] */

dump
restore

/* fd_before -> net[:54321:] */

fd_after = open("/proc/self/ns/net"); /* -> net[:54321:] */

if (memcmp(readlink(fd3), readlink(fd2))
	fail("namespace changed");
else
	pass();