[CRIU] [PATCH] check: Add kcmp test

[Cyrill Gorcunov]

Signed-off-by: Cyrill Gorcunov <gorcunov at openvz.org>
---
 cr-check.c |   13 +++++++++++++
 1 files changed, 13 insertions(+), 0 deletions(-)

diff --git a/cr-check.c b/cr-check.c
index bde34ff..91177ec 100644
--- a/cr-check.c
+++ b/cr-check.c
@@ -4,6 +4,7 @@
 #include "crtools.h"
 #include "log.h"
 #include "util-net.h"
+#include "syscall.h"
 
 static int check_map_files(void)
 {
@@ -63,6 +64,17 @@ static int check_sock_peek_off(void)
 	return -1;
 }
 
+static int check_kcmp(void)
+{
+	int ret = sys_kcmp(getpid(), -1, -1, -1, -1);
+
+	if (ret != -ENOSYS)
+		return 0;
+
+	pr_msg("System call kcmp is not supported\n");
+	return -1;
+}
+
 int cr_check(void)
 {
 	int ret = 0;
@@ -71,6 +83,7 @@ int cr_check(void)
 	ret |= check_sock_diag();
 	ret |= check_ns_last_pid();
 	ret |= check_sock_peek_off();
+	ret |= check_kcmp();
 
 	if (!ret)
 		pr_msg("Looks good.\n");
-- 
1.7.7.6