2.5-18.1

1 files changed, 124 insertions, 0 deletions

diff --git a/rt/tst-aio9.c b/rt/tst-aio9.c
new file mode 100644
index 0000000000..eab4f6859a
--- /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"