[LTP] [PATCH v2 1/2] preadv/preadv01.c: add new testcase
Xiao Yang
yangx.jy@cn.fujitsu.com
Thu Dec 3 12:31:12 CET 2015
Test preadv(2) with some basic functions.
Preadv(2) should succeed to read the expected content of data
and the file offset is not changed after reading the file.
Signed-off-by: Xiao Yang <yangx.jy@cn.fujitsu.com>
---
configure.ac | 1 +
m4/ltp-preadv.m4 | 23 +++++
runtest/ltplite | 2 +
runtest/stress.part3 | 2 +
runtest/syscalls | 3 +
testcases/kernel/syscalls/.gitignore | 2 +
testcases/kernel/syscalls/preadv/Makefile | 28 ++++++
testcases/kernel/syscalls/preadv/preadv.h | 31 ++++++
testcases/kernel/syscalls/preadv/preadv01.c | 150 ++++++++++++++++++++++++++++
9 files changed, 242 insertions(+)
create mode 100644 m4/ltp-preadv.m4
create mode 100644 testcases/kernel/syscalls/preadv/Makefile
create mode 100644 testcases/kernel/syscalls/preadv/preadv.h
create mode 100644 testcases/kernel/syscalls/preadv/preadv01.c
diff --git a/configure.ac b/configure.ac
index cc89273..609de8f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -181,5 +181,6 @@ LTP_CHECK_LINUXRANDOM
LTP_CHECK_IF_LINK
LTP_CHECK_KCMP
LTP_CHECK_KCMP_TYPE
+LTP_CHECK_PREADV
AC_OUTPUT
diff --git a/m4/ltp-preadv.m4 b/m4/ltp-preadv.m4
new file mode 100644
index 0000000..2046902
--- /dev/null
+++ b/m4/ltp-preadv.m4
@@ -0,0 +1,23 @@
+dnl
+dnl Copyright (c) 2015 Fujitsu Ltd.
+dnl Author: Xiao Yang <yangx.jy@cn.fujitsu.com>
+dnl
+dnl This program is free software; you can redistribute it and/or modify it
+dnl under the terms of version 2 of the GNU General Public License as
+dnl published by the Free Software Foundation.
+dnl
+dnl This program is distributed in the hope that it would be useful, but
+dnl WITHOUT ANY WARRANTY; without even the implied warranty of
+dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+dnl
+dnl You should have received a copy of the GNU General Public License
+dnl alone with this program.
+dnl
+
+dnl
+dnl LTP_CHECK_PREADV
+dnl ----------------------------
+dnl
+AC_DEFUN([LTP_CHECK_PREADV],[
+AC_CHECK_FUNCS(preadv,,)
+])
diff --git a/runtest/ltplite b/runtest/ltplite
index f2c9dcf..4eb4233 100644
--- a/runtest/ltplite
+++ b/runtest/ltplite
@@ -588,6 +588,8 @@ pread01 pread01
pread02 pread02
pread03 pread03
+preadv01 preadv01
+
profil01 profil01
pselect01 pselect01
diff --git a/runtest/stress.part3 b/runtest/stress.part3
index 36bb16f..0718fbc 100644
--- a/runtest/stress.part3
+++ b/runtest/stress.part3
@@ -498,6 +498,8 @@ pread01 pread01
pread02 pread02
pread03 pread03
+preadv01 preadv01
+
profil01 profil01
pselect01 pselect01
diff --git a/runtest/syscalls b/runtest/syscalls
index 9c69eea..099dfa7 100644
--- a/runtest/syscalls
+++ b/runtest/syscalls
@@ -779,6 +779,9 @@ pread02_64 pread02_64
pread03 pread03
pread03_64 pread03_64
+preadv01 preadv01
+preadv01_64 preadv01_64
+
profil01 profil01
process_vm_readv01 process_vm01 -r
diff --git a/testcases/kernel/syscalls/.gitignore b/testcases/kernel/syscalls/.gitignore
index bf515cc..38e36fb 100644
--- a/testcases/kernel/syscalls/.gitignore
+++ b/testcases/kernel/syscalls/.gitignore
@@ -657,6 +657,8 @@
/pread/pread02_64
/pread/pread03
/pread/pread03_64
+/preadv/preadv01
+/preadv/preadv01_64
/profil/profil01
/pselect/pselect01
/pselect/pselect01_64
diff --git a/testcases/kernel/syscalls/preadv/Makefile b/testcases/kernel/syscalls/preadv/Makefile
new file mode 100644
index 0000000..764c956
--- /dev/null
+++ b/testcases/kernel/syscalls/preadv/Makefile
@@ -0,0 +1,28 @@
+#
+# Copyright (c) 2015 Fujitsu Ltd.
+# Author: Xiao Yang <yangx.jy@cn.fujitsu.com>
+#
+# 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.
+#
+#
+
+top_srcdir ?= ../../../..
+
+include $(top_srcdir)/include/mk/testcases.mk
+
+include $(abs_srcdir)/../utils/newer_64.mk
+
+%_64: CPPFLAGS += -D_FILE_OFFSET_BITS=64
+
+include $(top_srcdir)/include/mk/generic_leaf_target.mk
diff --git a/testcases/kernel/syscalls/preadv/preadv.h b/testcases/kernel/syscalls/preadv/preadv.h
new file mode 100644
index 0000000..d9243f6
--- /dev/null
+++ b/testcases/kernel/syscalls/preadv/preadv.h
@@ -0,0 +1,31 @@
+/*
+* Copyright (c) 2015 Fujitsu Ltd.
+* Author: Xiao Yang <yangx.jy@cn.fujitsu.com>
+*
+* 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.
+*
+* You should have received a copy of the GNU General Public License
+* alone with this program.
+*/
+
+#ifndef PREADV_H
+#define PREADV_H
+
+#include <sys/types.h>
+#include "config.h"
+#include "linux_syscall_numbers.h"
+
+#if !defined(HAVE_PREADV)
+int preadv(int fd, const struct iovec *iov, int iovcnt, off_t offset)
+{
+ return ltp_syscall(__NR_preadv, fd, iov, iovcnt, offset);
+}
+#endif
+
+#endif /* RREADV_H */
diff --git a/testcases/kernel/syscalls/preadv/preadv01.c b/testcases/kernel/syscalls/preadv/preadv01.c
new file mode 100644
index 0000000..3f1a798
--- /dev/null
+++ b/testcases/kernel/syscalls/preadv/preadv01.c
@@ -0,0 +1,150 @@
+/*
+* Copyright (c) 2015 Fujitsu Ltd.
+* Author: Xiao Yang <yangx.jy@cn.fujitsu.com>
+*
+* 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.
+*
+* You should have received a copy of the GNU General Public License
+* alone with this program.
+*/
+
+/*
+* Test Name: preadv01
+*
+* Test Description:
+* Testcase to check the basic functionality of the preadv(2).
+* Preadv(2) should succeed to read the expected content of data
+* and after reading the file, the file offset is not changed.
+*/
+
+#include <errno.h>
+
+#include "test.h"
+#include "preadv.h"
+#include "safe_macros.h"
+
+#define CHUNK 64
+
+static int fd;
+static char buf[CHUNK];
+
+static struct iovec rd_iovec[] = {
+ {buf, CHUNK},
+ {NULL, 0},
+};
+
+static struct test_case_t {
+ int count;
+ off_t offset;
+ ssize_t size;
+} tc[] = {
+ {1, 0, CHUNK},
+ {2, 0, CHUNK},
+ {1, CHUNK*3/2, CHUNK/2},
+};
+
+void verify_preadv(struct test_case_t *tc);
+void setup(void);
+void cleanup(void);
+
+char *TCID = "preadv01";
+int TST_TOTAL = ARRAY_SIZE(tc);
+
+int main(int ac, char **av)
+{
+ int lc;
+ int i;
+
+ tst_parse_opts(ac, av, NULL, NULL);
+
+ setup();
+
+ for (lc = 0; TEST_LOOPING(lc); lc++) {
+ tst_count = 0;
+
+ for (i = 0; i < TST_TOTAL; i++)
+ verify_preadv(&tc[i]);
+ }
+
+ cleanup();
+ tst_exit();
+}
+
+void verify_preadv(struct test_case_t *tc)
+{
+ int i;
+ char *vec;
+
+ vec = rd_iovec[0].iov_base;
+ memset(vec, 0x00, CHUNK);
+
+ SAFE_LSEEK(cleanup, fd, 0, SEEK_SET);
+
+ TEST(preadv(fd, rd_iovec, tc->count, tc->offset));
+ if (TEST_RETURN < 0) {
+ tst_resm(TFAIL | TTERRNO, "Preadv(2) failed");
+ return;
+ }
+
+ if (TEST_RETURN != tc->size) {
+ tst_resm(TFAIL, "Preadv(2) read %li bytes, expected %li",
+ TEST_RETURN, tc->size);
+ return;
+ }
+
+ for (i = 0; i < tc->size; i++) {
+ if (vec[i] != 0x61)
+ break;
+ }
+
+ if (i < tc->size) {
+ tst_resm(TFAIL, "Buffer wrong at %i have %c expected a",
+ i, vec[i]);
+ return;
+ }
+
+ if (SAFE_LSEEK(cleanup, fd, 0, SEEK_CUR) != 0) {
+ tst_resm(TFAIL, "Preadv(2) has changed file offset");
+ return;
+ }
+
+ tst_resm(TPASS, "Preadv(2) read %li bytes successfully "
+ "with content 'a' expectedly", tc->size);
+}
+
+void setup(void)
+{
+ if ((tst_kvercmp(2, 6, 30)) < 0) {
+ tst_brkm(TCONF, NULL, "This test can only run on kernels "
+ "that are 2.6.30 and higher");
+ }
+
+ tst_sig(NOFORK, DEF_HANDLER, cleanup);
+
+ TEST_PAUSE;
+
+ tst_tmpdir();
+
+ int ret;
+
+ ret = tst_fill_file("file", 0x61, CHUNK, 2);
+ if (ret)
+ tst_brkm(TBROK | TERRNO, cleanup, "Failed to fill test file");
+
+ fd = SAFE_OPEN(cleanup, "file", O_RDWR, 0644);
+
+}
+
+void cleanup(void)
+{
+ if (fd > 0 && close(fd))
+ tst_resm(TWARN | TERRNO, "Failed to close file");
+
+ tst_rmdir();
+}
--
1.8.3.1
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