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Add test for aio_cancel() and fix some bugs found by the test

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This commit is contained in:
Gregory Nutt 2014-10-06 15:06:01 -06:00
parent 64666ed3d4
commit ca8592433a
1 changed files with 101 additions and 3 deletions
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104
examples/ostest/aio.c
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@ -78,11 +78,14 @@ static char g_rdbuffer[AIO_RDBUFFER_SIZE];
static struct aiocb g_aiocbs[AIO_NCTRLBLKS-1];
static struct aiocb *g_aiocb[AIO_NCTRLBLKS] =
static struct aiocb *g_aiocb[AIO_NCTRLBLKS];
static struct aiocb * const g_aiocb_init[AIO_NCTRLBLKS] =
{
&g_aiocbs[0], &g_aiocbs[1], &g_aiocbs[2], NULL, &g_aiocbs[3]
};
static FAR void * const g_buffers[AIO_NCTRLBLKS] =
{
(FAR void *)g_wrbuffer1,
@ -127,7 +130,9 @@ static void init_aiocb(bool signal)
for (i = 0; i < AIO_NCTRLBLKS; i++)
{
aiocbp = g_aiocb[i];
aiocbp = g_aiocb_init[i];
g_aiocb[i] = aiocbp;
if (aiocbp)
{
aiocbp->aio_sigevent.sigev_notify = signal ? SIGEV_SIGNAL : SIGEV_NONE;
@ -173,6 +178,12 @@ static int check_done(void)
printf(" NOT finished\n");
return -EINPROGRESS;
}
else if (aiocbp->aio_result == -ECANCELED)
{
/* No.. return -EINPROGRESS */
printf(" Cancelled\n");
}
/* Check for an I/O error */
@ -231,6 +242,13 @@ static int remove_done(void)
printf(" NOT finished\n");
ret = -EINPROGRESS;
}
else if (aiocbp->aio_result == -ECANCELED)
{
/* No.. return -EINPROGRESS */
printf(" Cancelled\n");
g_aiocb[i] = NULL;
}
/* Check for an I/O error */
@ -326,7 +344,7 @@ void aio_test(void)
/* Case 3: Use aio_suspend() until complete */
printf("AIO test case 2: Use aio_suspend for transfer complete\n");
printf("AIO test case 3: Use aio_suspend for transfer complete\n");
g_fildes = open(AIO_FILEPATH, O_RDWR|O_CREAT|O_TRUNC);
if (g_fildes < 0)
{
@ -364,8 +382,88 @@ void aio_test(void)
/* Case 4: Use individual signals */
printf("AIO test case 4: Use individual signals for transfer complete\n");
/* REVISIT: Not yet implemented */
/* Case 5: Use list complete signal */
printf("AIO test case 5: Use list complete signal for transfer complete\n");
/* REVISIT: Not yet implemented */
/* Case 6: Cancel I/O by AIO control block */
printf("AIO test case 6: Cancel I/O by AIO control block\n");
g_fildes = open(AIO_FILEPATH, O_RDWR|O_CREAT|O_TRUNC);
if (g_fildes < 0)
{
printf("aio_test: ERROR: Failed to open %s: %d\n", AIO_FILEPATH, errno);
return;
}
init_aiocb(false);
ret = lio_listio(LIO_NOWAIT, g_aiocb, AIO_NCTRLBLKS, NULL);
if (ret < 0)
{
printf("aio_test: ERROR: lio_listio failed: %d\n", errno);
return;
}
ret = aio_cancel(g_fildes, g_aiocb[2]);
if (ret < 0)
{
printf("aio_test: ERROR: aio_cancel failed: %d\n", errno);
return;
}
printf(" aio_cancel return %d\n");
do
{
sleep(1);
ret = check_done();
}
while (ret < 0);
close(g_fildes);
g_fildes = -1;
/* Case 6: Cancel I/O by file descriptor */
printf("AIO test case 6:Cancel I/O by file descriptor\n");
g_fildes = open(AIO_FILEPATH, O_RDWR|O_CREAT|O_TRUNC);
if (g_fildes < 0)
{
printf("aio_test: ERROR: Failed to open %s: %d\n", AIO_FILEPATH, errno);
return;
}
init_aiocb(false);
ret = lio_listio(LIO_NOWAIT, g_aiocb, AIO_NCTRLBLKS, NULL);
if (ret < 0)
{
printf("aio_test: ERROR: lio_listio failed: %d\n", errno);
return;
}
ret = aio_cancel(g_fildes, NULL);
if (ret < 0)
{
printf("aio_test: ERROR: aio_cancel failed: %d\n", errno);
return;
}
printf(" aio_cancel return %d\n");
do
{
sleep(1);
ret = check_done();
}
while (ret < 0);
close(g_fildes);
g_fildes = -1;
}