getcontext function is implemented from libc-2.17 in ARM.
If libc version is less than 2.17, this testcase goes to TCONF.
lib/tst_libcvercmp.c: a new file for libc version comparison
Comparison code for libc version is added as a library.
Signed-off-by: Honggyu Kim <[email protected]>
---
include/test.h | 4 ++
lib/tst_libcvercmp.c | 65
++++++++++++++++++++
.../kernel/syscalls/getcontext/getcontext01.c | 16 +++++
3 files changed, 85 insertions(+)
create mode 100644 lib/tst_libcvercmp.c
diff --git a/include/test.h b/include/test.h
index d9eba31..47765c2 100644
--- a/include/test.h
+++ b/include/test.h
@@ -180,6 +180,10 @@ struct tst_kern_exv {
int tst_kvercmp2(int r1, int r2, int r3, struct tst_kern_exv *vers);
+/* lib/tst_libcvercmp.c */
+const char* tst_getlibcver(void);
+int tst_libcvercmp(const char *tst_exv);
+
/* lib/tst_is_cwd.c */
int tst_is_cwd_nfs(void);
int tst_is_cwd_v9fs(void);
diff --git a/lib/tst_libcvercmp.c b/lib/tst_libcvercmp.c
new file mode 100644
index 0000000..2a09ab8
--- /dev/null
+++ b/lib/tst_libcvercmp.c
@@ -0,0 +1,65 @@
+/*
+ *
+ * Copyright (c) LG Electronics Corp., 2013
+ *
+ * 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 Street, Fifth Floor, Boston, MA
02110-1301 USA
+ */
+
+/*
+ *
+ * AUTHOR
+ * Honggyu Kim <[email protected]>
+ *
+ * DESCRIPTION
+ * Compare a given libc version against the current libc version.
+ * If they are the same - return 0
+ * If the argument is > current libc version - return positive int
+ * If the argument is < current libc version - return negative int
+ *
+ */
+
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <sys/utsname.h>
+#include <gnu/libc-version.h>
+#include "test.h"
+
+static int tst_libcexvcmp(const char *tst_exv, const char *cur_ver)
+{
+ int c1 = 0, c2 = 0, c3 = 0;
+ int t1 = 0, t2 = 0, t3 = 0;
+ int ret;
+
+ sscanf(cur_ver, "%d.%d.%d", &c1, &c2, &c3);
+ sscanf(tst_exv, "%d.%d.%d", &t1, &t2, &t3);
+
+ if ((ret = c1 - t1))
+ return ret;
+ if ((ret = c2 - t2))
+ return ret;
+ return c3 - t3;
+}
+
+const char* tst_getlibcver(void)
+{
+ return gnu_get_libc_version();
+}
+
+int tst_libcvercmp(const char *tst_exv)
+{
+ const char* cur_ver = tst_getlibcver();
+ return tst_libcexvcmp(tst_exv, cur_ver);
+}
diff --git a/testcases/kernel/syscalls/getcontext/getcontext01.c
b/testcases/kernel/syscalls/getcontext/getcontext01.c
index 03b2df9..bf994c5 100644
--- a/testcases/kernel/syscalls/getcontext/getcontext01.c
+++ b/testcases/kernel/syscalls/getcontext/getcontext01.c
@@ -54,12 +54,28 @@ int TST_TOTAL = 1;
int exp_enos[] = { 0 }; /* must be a 0 terminated list */
+#ifdef __arm__
+#define LIBC_VER_GETCONTEXT_ARM_SUPPORT "2.17"
+#endif
+
int main(int ac, char **av)
{
int lc;
char *msg;
ucontext_t ptr;
+
+#ifdef __arm__
+ /* Disable test if the version of the libc is less than 2.17 in
ARM */
+ if ((tst_libcvercmp(LIBC_VER_GETCONTEXT_ARM_SUPPORT)) < 0) {
+ tst_resm(TCONF, "This test can only run with libc that
are ");
+ tst_resm(TCONF, "%s and higher (currently libc-%s
used)",
+ LIBC_VER_GETCONTEXT_ARM_SUPPORT,
+ tst_getlibcver());
+ tst_exit();
+ }
+#endif
+
if ((msg = parse_opts(ac, av, NULL, NULL)) != NULL)
tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg);
--
1.7.9.5
------------------------------------------------------------------------------
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