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authorJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
committerJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
commit0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (patch)
tree2ea1f8305970753e4a657acb2ccc15ca3eec8e2c /rt/tst-aio9.c
parent7d58530341304d403a6626d7f7a1913165fe2f32 (diff)
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2.5-18.1
Diffstat (limited to 'rt/tst-aio9.c')
-rw-r--r--rt/tst-aio9.c124
1 files changed, 124 insertions, 0 deletions
diff --git a/rt/tst-aio9.c b/rt/tst-aio9.c
new file mode 100644
index 0000000..eab4f68
--- /dev/null
+++ b/rt/tst-aio9.c
@@ -0,0 +1,124 @@
+#include <aio.h>
+#include <errno.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <pthread.h>
+#include <unistd.h>
+
+static pthread_barrier_t b;
+static pthread_t main_thread;
+static int flag;
+
+
+static void *
+tf (void *arg)
+{
+ int e = pthread_barrier_wait (&b);
+ if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
+ {
+ puts ("child: barrier_wait failed");
+ exit (1);
+ }
+
+ /* There is unfortunately no other way to try to make sure the other
+ thread reached the aio_suspend call. This test could fail on
+ highly loaded machines. */
+ sleep (2);
+
+ pthread_kill (main_thread, SIGUSR1);
+
+ while (1)
+ sleep (1000);
+
+ return NULL;
+}
+
+
+static void
+sh (int sig)
+{
+ flag = 1;
+}
+
+
+static int
+do_test (void)
+{
+ main_thread = pthread_self ();
+
+ struct sigaction sa;
+
+ sa.sa_handler = sh;
+ sa.sa_flags = 0;
+ sigemptyset (&sa.sa_mask);
+
+ if (sigaction (SIGUSR1, &sa, NULL) != 0)
+ {
+ puts ("sigaction failed");
+ return 1;
+ }
+
+ if (pthread_barrier_init (&b, NULL, 2) != 0)
+ {
+ puts ("barrier_init");
+ return 1;
+ }
+
+ int fds[2];
+ if (pipe (fds) != 0)
+ {
+ puts ("pipe failed");
+ return 1;
+ }
+
+ char buf[42];
+ struct aiocb req;
+ req.aio_fildes = fds[0];
+ req.aio_reqprio = 0;
+ req.aio_offset = 0;
+ req.aio_buf = buf;
+ req.aio_nbytes = sizeof (buf);
+ req.aio_sigevent.sigev_notify = SIGEV_NONE;
+
+ if (aio_read (&req) != 0)
+ {
+ puts ("aio_read failed");
+ return 1;
+ }
+
+ pthread_t th;
+ if (pthread_create (&th, NULL, tf, NULL) != 0)
+ {
+ puts ("create failed");
+ return 1;
+ }
+
+ int e = pthread_barrier_wait (&b);
+ if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
+ {
+ puts ("parent: barrier_wait failed");
+ exit (1);
+ }
+
+ const struct aiocb *list[1];
+ list[0] = &req;
+
+ e = aio_suspend (list, 1, NULL);
+ if (e != -1)
+ {
+ puts ("aio_suspend succeeded");
+ return 1;
+ }
+ if (errno != EINTR)
+ {
+ puts ("aio_suspend did not return EINTR");
+ return 1;
+ }
+
+ return 0;
+}
+
+#define TEST_FUNCTION do_test ()
+#define TIMEOUT 5
+#include "../test-skeleton.c"