[CRIU] Re: [PATCH v3 3/4] IPC: restore shared memory

[Kinsbursky Stanislav]

08.02.2012 21:45, Pavel Emelyanov пишет:
> On 02/08/2012 09:27 PM, Kinsbursky Stanislav wrote:
>>
>> Signed-off-by: Stanislav Kinsbursky<skinsbursky at parallels.com>
>>
>> ---
>>   ipc_ns.c |  109 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++-
>>   1 files changed, 107 insertions(+), 2 deletions(-)
>>
>> diff --git a/ipc_ns.c b/ipc_ns.c
>> index eda3399..5c4d27f 100644
>> --- a/ipc_ns.c
>> +++ b/ipc_ns.c
>> @@ -13,6 +13,14 @@
>>   #include "namespaces.h"
>>   #include "sysctl.h"
>>
>> +#ifndef IPC_PRESET
>> +#define IPC_PRESET		00040000
>> +#endif
>> +
>> +#ifndef SHM_SET
>> +#define SHM_SET			15
>> +#endif
>> +
>>   static void print_ipc_seg(const struct ipc_seg *seg)
>>   {
>>   	pr_info("id: %-10d key: 0x%08x ", seg->id, seg->key);
>> @@ -160,8 +168,12 @@ static int dump_ipc_shm(int fd)
>>   		int id, ret;
>>
>>   		id = shmctl(i, SHM_STAT,&ds);
>> -		if (id<  0)
>> -			continue;
>> +		if (id<  0) {
>> +			if (errno == EINVAL)
>> +				continue;
>> +			pr_perror("Failed to get stats for IPC shared memory\n");
>> +			break;
>> +		}
>>   		ret = dump_ipc_shm_seg(fd, id,&ds);
>>   		if (ret<  0)
>>   			return ret;
> What does this hunk do here?

Yep...

-- 
Best regards,
Stanislav Kinsbursky