Prepare for radical source tree reorganization. zack/build-layout-experiment

All top-level files and directories are moved into a temporary storage
directory, REORG.TODO, except for files that will certainly still
exist in their current form at top level when we're done (COPYING,
COPYING.LIB, LICENSES, NEWS, README), all old ChangeLog files (which
are moved to the new directory OldChangeLogs, instead), and the
generated file INSTALL (which is just deleted; in the new order, there
will be no generated files checked into version control).

1 files changed, 119 insertions, 0 deletions

diff --git a/REORG.TODO/rt/tst-aio10.c b/REORG.TODO/rt/tst-aio10.c
new file mode 100644
index 0000000000..6e8f7b78c0
--- /dev/null
+++ b/REORG.TODO/rt/tst-aio10.c
@@ -0,0 +1,119 @@
+#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_lio_opcode = LIO_READ;
+  req.aio_reqprio = 0;
+  req.aio_offset = 0;
+  req.aio_buf = buf;
+  req.aio_nbytes = sizeof (buf);
+  req.aio_sigevent.sigev_notify = SIGEV_NONE;
+
+  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);
+    }
+
+  struct aiocb *list[1];
+  list[0] = &req;
+
+  e = lio_listio (LIO_WAIT, list, 1, NULL);
+  if (e != -1)
+    {
+      puts ("lio_listio succeeded");
+      return 1;
+    }
+  if (errno != EINTR)
+    {
+      printf ("lio_listio did not return EINTR: %d (%d = %m)\n", e, errno);
+      return 1;
+    }
+
+  return 0;
+}
+
+#define TEST_FUNCTION do_test ()
+#define TIMEOUT 5
+#include "../test-skeleton.c"