1 files changed, 103 insertions, 0 deletions
diff --git a/posix/tst-posix_fadvise-common.c b/posix/tst-posix_fadvise-common.c
new file mode 100644
index 0000000..bb04c61
--- /dev/null
+++ b/posix/tst-posix_fadvise-common.c
@@ -0,0 +1,103 @@
+/* Common posix_fadvise tests definitions.
+   Copyright (C) 2016 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, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <fcntl.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+static void do_prepare (void);
+#define PREPARE(argc, argv)     do_prepare ()
+static int do_test (void);
+#define TEST_FUNCTION           do_test ()
+
+#include <test-skeleton.c>
+
+static char *temp_filename;
+static int temp_fd;
+static char fifoname[] = "/tmp/tst-posix_fadvise-fifo-XXXXXX";
+static int fifofd;
+
+static void
+do_prepare (void)
+{
+  temp_fd = create_temp_file ("tst-posix_fadvise.", &temp_filename);
+  if (temp_fd == -1)
+    FAIL_EXIT1 ("cannot create temporary file: %m");
+
+  if (mktemp (fifoname) == NULL)
+    FAIL_EXIT1 ("cannot generate temp file name: %m");
+  add_temp_file (fifoname);
+
+  if (mkfifo (fifoname, S_IWUSR | S_IRUSR) != 0)
+    FAIL_EXIT1 ("cannot create fifo: %m");
+
+  fifofd = open (fifoname, O_RDONLY | O_NONBLOCK);
+  if (fifofd == -1)
+    FAIL_EXIT1 ("cannot open fifo: %m");
+}
+
+/* Effectivelly testing posix_fadvise is hard because side effects are not
+   observed without checking either performance or any kernel specific
+   supplied information.  Also, the syscall is meant to be an advisory,
+   so the kernel is free to use this information in any way it deems fit,
+   including ignoring it.
+
+   This test check for some invalid returned operation to check argument
+   passing and if implementation follows POSIX error definition.  */
+static int
+do_test_common (void)
+{
+  /* Add some data to file and ensure it is written to disk.  */
+#define BLK_SIZE 2048
+  char buffer[BLK_SIZE] = { 0xcd };
+  ssize_t ret;
+
+  if ((ret = write (temp_fd, buffer, BLK_SIZE)) != BLK_SIZE)
+    FAIL_EXIT1 ("write returned %zd different than expected %d",
+		ret, BLK_SIZE);
+
+  if (fsync (temp_fd) != 0)
+    FAIL_EXIT1 ("fsync failed");
+
+  /* Test passing an invalid fd.  */
+  if (posix_fadvise (-1, 0, 0, POSIX_FADV_NORMAL) != EBADF)
+    FAIL_EXIT1 ("posix_fadvise with invalid fd did not return EBADF");
+
+  /* Test passing an invalid operation.  */
+  if (posix_fadvise (temp_fd, 0, 0, -1) != EINVAL)
+    FAIL_EXIT1 ("posix_fadvise with invalid advise did not return EINVAL");
+
+  /* Test passing a FIFO fd.  */
+  if (posix_fadvise (fifofd, 0, 0, POSIX_FADV_NORMAL) != ESPIPE)
+    FAIL_EXIT1 ("posix_advise with PIPE fd did not return ESPIPE");
+
+  /* Default fadvise on all file starting at initial position.  */
+  if (posix_fadvise (temp_fd, 0, 0, POSIX_FADV_NORMAL) != 0)
+    FAIL_EXIT1 ("default posix_fadvise failed");
+
+  if (posix_fadvise (temp_fd, 0, 2 * BLK_SIZE, POSIX_FADV_NORMAL) != 0)
+    FAIL_EXIT1 ("posix_fadvise failed (offset = 0, len = %d) failed",
+		BLK_SIZE);
+
+  if (posix_fadvise (temp_fd, 2 * BLK_SIZE, 0, POSIX_FADV_NORMAL) != 0)
+    FAIL_EXIT1 ("posix_fadvise failed (offset = %d, len = 0) failed",
+		BLK_SIZE);
+
+  return 0;
+}