Test for timeout with aio_suspend.

rt/tst-aio6.c

@@ -0,0 +1,89 @@
+/* Test for timeout handling.
+   Copyright (C) 2000 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 Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <aio.h>
+#include <errno.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <sys/time.h>
+
+
+/* We expect to wait for 3 seconds so we have to increase the timeout.  */
+#define TIMEOUT 10 /* sec */
+
+
+#define TEST_FUNCTION do_test ()
+int
+do_test (void)
+{
+  struct aiocb *arr[1];
+  struct aiocb cb;
+  char buf[100];
+  struct timeval before;
+  struct timeval after;
+  struct timespec timeout;
+  int result = 0;
+
+  arr[0] = &cb;
+
+  cb.aio_fildes = STDIN_FILENO;
+  cb.aio_lio_opcode = LIO_WRITE;
+  cb.aio_reqprio = 0;
+  cb.aio_buf = (void *) buf;
+  cb.aio_nbytes = sizeof (buf) - 1;
+  cb.aio_sigevent.sigev_notify = SIGEV_NONE;
+
+  /* Try to read from stdin where nothing will be available.  */
+  if (aio_read (arr[0]) < 0)
+    {
+      printf ("aio_write failed: %m\n");
+      return 1;
+    }
+
+  /* Get the current time.  */
+  gettimeofday (&before, NULL);
+
+  /* Wait for input which is unsuccess and therefore the function will
+     time out.  */
+  timeout.tv_sec = 3;
+  timeout.tv_nsec = 0;
+  if (aio_suspend ((const struct aiocb *const*) arr, 1, &timeout) != -1)
+    {
+      puts ("aio_suspend() didn't return -1");
+      result = 1;
+    }
+  else if (errno != EAGAIN)
+    {
+      puts ("error not set to EAGAIN");
+      result = 1;
+    }
+  else
+    {
+      gettimeofday (&after, NULL);
+      if (after.tv_sec < before.tv_sec + 1)
+	{
+	  puts ("timeout came too early");
+	  result = 1;
+	}
+    }
+
+  return result;
+}
+
+#include "../test-skeleton.c"