2.5-18.1

1 files changed, 131 insertions, 0 deletions

diff --git a/rtkaio/tst-aiod3.c b/rtkaio/tst-aiod3.c
new file mode 100644
index 0000000000..aac04f3771
--- /dev/null
+++ b/rtkaio/tst-aiod3.c
@@ -0,0 +1,131 @@
+/* Test for notification mechanism in lio_listio.
+   Copyright (C) 2000, 2002, 2006 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <aio.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <errno.h>
+#include "tst-aiod.h"
+
+
+static pthread_barrier_t b;
+
+
+static void
+thrfct (sigval_t arg)
+{
+  int e = pthread_barrier_wait (&b);
+  if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
+    {
+      puts ("child: barrier_wait failed");
+      exit (1);
+    }
+}
+
+
+static int
+do_test (int argc, char *argv[])
+{
+  char name[] = "/tmp/aio3.XXXXXX";
+  int fd;
+  struct aiocb *arr[1];
+  struct aiocb cb;
+  static const char buf[] = "Hello World\n";
+
+  fd = mkstemp (name);
+  if (fd == -1)
+    {
+      printf ("cannot open temp name: %m\n");
+      return 1;
+    }
+
+  unlink (name);
+
+  if (pthread_barrier_init (&b, NULL, 2) != 0)
+    {
+      puts ("barrier_init failed");
+      return 1;
+    }
+
+  arr[0] = &cb;
+
+  void *p;
+  int sz = set_o_direct (fd);
+  if (sz != -1)
+    {
+      int err = posix_memalign (&p, sz, sz);
+      if (err)
+	{
+	  errno = err;
+	  printf ("cannot allocate memory: %m\n");
+	  return 1;
+	}
+      memcpy (p, buf, sizeof (buf) - 1);
+      memset (p + sizeof (buf) - 1, ' ', sz - sizeof (buf) + 1);
+      printf ("Using O_DIRECT with block size %d\n", sz);
+    }
+  else
+    {
+      p = (void *) buf;
+      sz = sizeof (buf) - 1;
+    }
+
+  cb.aio_fildes = fd;
+  cb.aio_lio_opcode = LIO_WRITE;
+  cb.aio_reqprio = 0;
+  cb.aio_buf = p;
+  cb.aio_nbytes = sz;
+  cb.aio_offset = 0;
+  cb.aio_sigevent.sigev_notify = SIGEV_THREAD;
+  cb.aio_sigevent.sigev_notify_function = thrfct;
+  cb.aio_sigevent.sigev_notify_attributes = NULL;
+  cb.aio_sigevent.sigev_value.sival_ptr = NULL;
+
+  if (lio_listio (LIO_NOWAIT, arr, 1, NULL) < 0)
+    {
+      if (errno == ENOSYS)
+	{
+	  puts ("no aio support in this configuration");
+	  return 0;
+	}
+      printf ("lio_listio failed: %m\n");
+      return 1;
+    }
+
+  if (aio_suspend ((const struct aiocb *const *) arr, 1, NULL) < 0)
+    {
+      printf ("aio_suspend failed: %m\n");
+      return 1;
+    }
+
+  int e = pthread_barrier_wait (&b);
+  if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
+    {
+      puts ("parent: barrier_wait failed");
+      return 1;
+    }
+
+  puts ("all OK");
+
+  return 0;
+}
+
+#include "../test-skeleton.c"