errno testcase for readahead(2).
Signed-off-by: Jan Stancek <[email protected]>
---
testcases/kernel/syscalls/readahead/Makefile | 22 +++
testcases/kernel/syscalls/readahead/readahead01.c | 161 +++++++++++++++++++++
2 files changed, 183 insertions(+), 0 deletions(-)
create mode 100644 testcases/kernel/syscalls/readahead/Makefile
create mode 100644 testcases/kernel/syscalls/readahead/readahead01.c
diff --git a/testcases/kernel/syscalls/readahead/Makefile b/testcases/kernel/syscalls/readahead/Makefile
new file mode 100644
index 0000000..45a3bbc
--- /dev/null
+++ b/testcases/kernel/syscalls/readahead/Makefile
@@ -0,0 +1,22 @@
+#
+# Copyright (C) 2012 Linux Test Project, Inc.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+#
+
+top_srcdir ?= ../../../..
+
+include $(top_srcdir)/include/mk/testcases.mk
+include $(top_srcdir)/include/mk/generic_leaf_target.mk
diff --git a/testcases/kernel/syscalls/readahead/readahead01.c b/testcases/kernel/syscalls/readahead/readahead01.c
new file mode 100644
index 0000000..727dd7b
--- /dev/null
+++ b/testcases/kernel/syscalls/readahead/readahead01.c
@@ -0,0 +1,161 @@
+/*
+ * Copyright (C) 2012 Linux Test Project, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it would be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * Further, this software is distributed without any warranty that it
+ * is free of the rightful claim of any third person regarding
+ * infringement or the like. Any license provided herein, whether
+ * implied or otherwise, applies only to this software file. Patent
+ * licenses, if any, provided herein do not apply to combinations of
+ * this program with other software, or any other product whatsoever.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+/*
+ * errno tests for readahead() syscall
+ */
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/syscall.h>
+#include <sys/socket.h>
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include "config.h"
+#include "test.h"
+#include "usctest.h"
+#include "safe_macros.h"
+#include "linux_syscall_numbers.h"
+
+char *TCID = "readahead01";
+int TST_TOTAL = 1;
+
+#if defined(__NR_readahead)
+static void setup(char *argv[]);
+static void cleanup(void);
+
+static int check_ret(long expected_ret)
+{
+ if (expected_ret == TEST_RETURN) {
+ tst_resm(TPASS, "expected ret success - "
+ "returned value = %ld", TEST_RETURN);
+ return 0;
+ } else
+ tst_resm(TFAIL, "unexpected failure - "
+ "returned value = %ld, expected: %ld",
+ TEST_RETURN, expected_ret);
+ return 1;
+}
+
+static int check_errno(long expected_errno)
+{
+ if (TEST_ERRNO == expected_errno) {
+ tst_resm(TPASS|TTERRNO, "expected failure");
+ return 0;
+ } else if (TEST_ERRNO == 0)
+ tst_resm(TFAIL, "call succeeded unexpectedly");
+ else
+ tst_resm(TFAIL|TTERRNO, "unexpected failure - "
+ "expected = %ld : %s, actual",
+ expected_errno, strerror(expected_errno));
+ return 1;
+}
+
+static void test_bad_fd()
+{
+ char tempname[PATH_MAX] = "readahead01_XXXXXX";
+ int fd;
+
+ tst_resm(TINFO, "test_bad_fd -1");
+ TEST(syscall(__NR_readahead, -1, 0, getpagesize()));
+ check_ret(-1);
+ check_errno(EBADF);
+
+ tst_resm(TINFO, "test_bad_fd O_WRONLY");
+ fd = mkstemp(tempname);
+ if (fd == -1)
+ tst_resm(TBROK|TERRNO, "mkstemp failed");
+ close(fd);
+ fd = open(tempname, O_WRONLY);
+ if (fd == -1)
+ tst_resm(TBROK|TERRNO, "Failed to open testfile");
+ TEST(syscall(__NR_readahead, fd, 0, getpagesize()));
+ check_ret(-1);
+ check_errno(EBADF);
+ close(fd);
+ unlink(tempname);
+}
+
+static void test_invalid_fd()
+{
+ int fd[2];
+
+ tst_resm(TINFO, "test_invalid_fd pipe");
+ if (pipe(fd) < 0)
+ tst_resm(TBROK|TERRNO, "Failed to create pipe");
+ TEST(syscall(__NR_readahead, fd[0], 0, getpagesize()));
+ check_ret(-1);
+ check_errno(EINVAL);
+ close(fd[0]);
+ close(fd[1]);
+
+ tst_resm(TINFO, "test_invalid_fd socket");
+ fd[0] = socket(AF_INET, SOCK_STREAM, 0);
+ if (fd[0] < 0)
+ tst_resm(TBROK|TERRNO, "Failed to create socket");
+ TEST(syscall(__NR_readahead, fd[0], 0, getpagesize()));
+ check_ret(-1);
+ check_errno(EINVAL);
+ close(fd[0]);
+}
+
+int main(int argc, char *argv[])
+{
+ int lc;
+
+ setup(argv);
+ for (lc = 0; TEST_LOOPING(lc); lc++) {
+ Tst_count = 0;
+ test_bad_fd();
+ test_invalid_fd();
+ }
+ cleanup();
+ tst_exit();
+}
+
+static void setup(char *argv[])
+{
+ tst_require_root(NULL);
+ tst_tmpdir();
+
+ /* check if readahead syscall is supported */
+ syscall(__NR_readahead, 0, 0, 0);
+
+ TEST_PAUSE;
+}
+
+static void cleanup(void)
+{
+ TEST_CLEANUP;
+ tst_rmdir();
+}
+
+#else /* __NR_readahead */
+int main(void)
+{
+ tst_brkm(TCONF, NULL, "System doesn't support __NR_readahead");
+}
+#endif
+
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