On 2012年08月06日 16:32, Wanlong Gao wrote:
> On 08/06/2012 04:19 PM, Kang Kai wrote:
>> After aio_suspend, wait all aio_write operations to complete.
>>
>> If don't do that, it fails with "Segmentation fault" on routerstation(mips)
>> board randomly about in 1000 continuous test. The reason may be some
>> aio_writes don't complete before close the file, that cause some resouse
>> don't be released and finally cause segment fault.
>>
>> Signed-off-by: Kang Kai<[email protected]>
>> ---
>> .../conformance/interfaces/aio_suspend/3-1.c | 12 ++++++++++++
>> 1 files changed, 12 insertions(+), 0 deletions(-)
>>
>> diff --git
>> a/testcases/open_posix_testsuite/conformance/interfaces/aio_suspend/3-1.c
>> b/testcases/open_posix_testsuite/conformance/interfaces/aio_suspend/3-1.c
>> index 15120e1..e8e9705 100644
>> --- a/testcases/open_posix_testsuite/conformance/interfaces/aio_suspend/3-1.c
>> +++ b/testcases/open_posix_testsuite/conformance/interfaces/aio_suspend/3-1.c
>> @@ -46,6 +46,7 @@ int main()
>> struct aiocb aiocb[NAIOCB];
>> const struct aiocb *list[NENT];
>> int i;
>> + int ret;
>>
>> if (sysconf(_SC_ASYNCHRONOUS_IO)< 200112L)
>> return PTS_UNSUPPORTED;
>> @@ -87,6 +88,17 @@ int main()
>> exit(PTS_FAIL);
>> }
>>
>> + for (i = 0; i< NAIOCB; ++i) {
>> + do {
>> + usleep(10000);
>> + ret = aio_error(&aiocb[i]);
>> + } while (ret == EINPROGRESS);
>> + if (aio_return(&aiocb[i]) == -1) {
Hi Wanlong,
> Why do you check the return value here? and did you test this patch on your
> mips machine?
I test it on mips for 4x1000 times and x86_64, and the results are fine.
With no other operation, when aio_write complete, it should succeed. So
I use aio_return to check the return values.
Regards,
Kai
>
> Thanks,
> Wanlong Gao
>
>> + printf(TNAME " Error at aio_return(): %s\n",
>> strerror(errno));
>> + exit(PTS_FAIL);
>> + }
>> + }
>> +
>> close(fd);
>> printf("Test PASSED\n");
>> return PTS_PASS;
>>
>
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