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authorUlrich Drepper <drepper@redhat.com>1998-04-11 20:19:13 +0000
committerUlrich Drepper <drepper@redhat.com>1998-04-11 20:19:13 +0000
commit6b9c2e671c08bd80606d9da81aee00bb03c44f90 (patch)
tree9152632246378cff143bd87c197cc5785600b334 /rt
parent18de8c733f47eedd3ccb9705c2d3bb8464025588 (diff)
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Update.
* rt/tst-aio.c: Add test for aio_read and lio_listio. * rt/lio_listio.c: Correct total counter handling. * rt/aio_misc.c (handle_fildes_io): Correctly dequeue elements from request queue. * test-skeleton.c (main): Make stdout unbuffered. Improve message of signal on exit even more.
Diffstat (limited to 'rt')
-rw-r--r--rt/aio_misc.c4
-rw-r--r--rt/lio_listio.c5
-rw-r--r--rt/tst-aio.c82
3 files changed, 68 insertions, 23 deletions
diff --git a/rt/aio_misc.c b/rt/aio_misc.c
index 030bef9..ca8f4de 100644
--- a/rt/aio_misc.c
+++ b/rt/aio_misc.c
@@ -476,6 +476,8 @@ handle_fildes_io (void *arg)
runp->next_fd->last_fd = runp->last_fd;
if (runp->last_fd != NULL)
runp->last_fd->next_fd = runp->next_fd;
+ else
+ requests = runp->next_fd;
}
else
{
@@ -486,6 +488,8 @@ handle_fildes_io (void *arg)
runp->next_fd->last_fd = runp->next_prio;
if (runp->last_fd != NULL)
runp->last_fd->next_fd = runp->next_prio;
+ else
+ requests = runp->next_prio;
}
/* Free the old element. */
diff --git a/rt/lio_listio.c b/rt/lio_listio.c
index e4d9729..03c3bf2 100644
--- a/rt/lio_listio.c
+++ b/rt/lio_listio.c
@@ -93,7 +93,7 @@ lio_listio (mode, list, nent, sig)
{
waitlist[cnt].cond = &cond;
waitlist[cnt].next = requests[cnt]->waiting;
- waitlist[cnt].counterp = NULL;
+ waitlist[cnt].counterp = &total;
waitlist[cnt].sigevp = NULL;
requests[cnt]->waiting = &waitlist[cnt];
++total;
@@ -105,8 +105,7 @@ lio_listio (mode, list, nent, sig)
pthread_setcancelstate (PTHREAD_CANCEL_DISABLE, &oldstate);
while (total > 0)
- if (pthread_cond_wait (&cond, &__aio_requests_mutex) == 0)
- --total;
+ pthread_cond_wait (&cond, &__aio_requests_mutex);
/* Now it's time to restore the cancelation state. */
pthread_setcancelstate (oldstate, NULL);
diff --git a/rt/tst-aio.c b/rt/tst-aio.c
index e319dea..83833ee 100644
--- a/rt/tst-aio.c
+++ b/rt/tst-aio.c
@@ -69,16 +69,32 @@ test_file (const void *buf, size_t size, int fd, const char *msg)
return 1;
}
- if (ftruncate (fd, 0) < 0)
- {
- error (0, errno, "%s: failed truncate", msg);
- return 1;
- }
+ printf ("%s test ok\n", msg);
return 0;
}
+void
+do_wait (struct aiocb **cbp, size_t nent)
+{
+ int go_on;
+ do
+ {
+ size_t cnt;
+
+ aio_suspend ((const struct aiocb *const *) cbp, nent, NULL);
+ go_on = 0;
+ for (cnt = 0; cnt < nent; ++cnt)
+ if (cbp[cnt] != NULL && aio_error (cbp[cnt]) == EINPROGRESS)
+ go_on = 1;
+ else
+ cbp[cnt] = NULL;
+ }
+ while (go_on);
+}
+
+
int
do_test (int argc, char *argv[])
{
@@ -90,7 +106,6 @@ do_test (int argc, char *argv[])
size_t cnt;
int fd;
int result = 0;
- int go_on;
name_len = strlen (test_dir);
name = malloc (name_len + sizeof ("/aioXXXXXX"));
@@ -120,23 +135,50 @@ do_test (int argc, char *argv[])
for (cnt = 10; cnt > 0; )
aio_write (cbp[--cnt]);
/* Wait 'til the results are there. */
- do
+ do_wait (cbp, 10);
+ /* Test this. */
+ result |= test_file (buf, sizeof (buf), fd, "aio_write");
+
+ /* Read now as we've written it. */
+ memset (buf, '\0', sizeof (buf));
+ /* Issue the commands. */
+ for (cnt = 10; cnt > 0; )
{
- aio_suspend ((const struct aiocb *const *) cbp, 10, NULL);
- go_on = 0;
- for (cnt = 0; cnt < 10; ++cnt)
- if (cbp[cnt] != NULL && aio_error (cbp[cnt]) == EINPROGRESS)
- go_on = 1;
- else
- {
- if (cbp[cnt] != NULL)
- printf ("request %d finished\n", cnt);
- cbp[cnt] = NULL;
- }
+ --cnt;
+ cbp[cnt] = &cbs[cnt];
+ aio_read (cbp[cnt]);
}
- while (go_on);
+ /* Wait 'til the results are there. */
+ do_wait (cbp, 10);
/* Test this. */
- result |= test_file (buf, sizeof (buf), fd, "aio_write");
+ for (cnt = 0; cnt < 1000; ++cnt)
+ if (buf[cnt] != '0' + (cnt / 100))
+ {
+ result = 1;
+ error (0, 0, "comparison failed for aio_read test");
+ break;
+ }
+
+ if (cnt == 1000)
+ puts ("aio_read test ok");
+
+ /* Remove the test file contents. */
+ if (ftruncate (fd, 0) < 0)
+ {
+ error (0, errno, "ftruncate failed\n");
+ result = 1;
+ }
+
+ /* Test lio_listio. */
+ for (cnt = 0; cnt < 10; ++cnt)
+ {
+ cbs[cnt].aio_lio_opcode = LIO_WRITE;
+ cbp[cnt] = &cbs[cnt];
+ }
+ /* Issue the command. */
+ lio_listio (LIO_WAIT, cbp, 10, NULL);
+ /* ...and immediately test it since we started it in wait mode. */
+ result |= test_file (buf, sizeof (buf), fd, "lio_listio (write)");
return result;
}