test: seccomp -- Make sure __NR_seccomp is present to not fail building on old kernels

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Acked-by: Tycho Andersen <tycho.andersen@canonical.com>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>

test/zdtm/static/seccomp_filter.c

@@ -4,19 +4,25 @@
 #include <stddef.h>
 #include <sys/prctl.h>
 #include <sys/ptrace.h>
-#include <linux/seccomp.h>
-#include <linux/filter.h>
 #include <linux/limits.h>
 #include <stdlib.h>
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <sys/wait.h>
 #include <sys/syscall.h>
+
+#ifdef __NR_seccomp
+#include <linux/seccomp.h>
+#include <linux/filter.h>
+#endif
+
 #include "zdtmtst.h"
 
 const char *test_doc	= "Check that SECCOMP_MODE_FILTER is restored";
 const char *test_author	= "Tycho Andersen <tycho.andersen@canonical.com>";
 
+#ifdef __NR_seccomp
+
 int get_seccomp_mode(pid_t pid)
 {
 	FILE *f;
@@ -185,3 +191,9 @@ err:
 	kill(pid, SIGKILL);
 	return 1;
 }
+
+#else /* __NR_seccomp */
+
+#include "skip-me.c"
+
+#endif /* __NR_seccomp */

test/zdtm/static/seccomp_filter_inheritance.c

@@ -4,19 +4,25 @@
 #include <stddef.h>
 #include <sys/prctl.h>
 #include <sys/ptrace.h>
-#include <linux/seccomp.h>
-#include <linux/filter.h>
-#include <linux/limits.h>
 #include <stdlib.h>
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <sys/wait.h>
 #include <sys/syscall.h>
+
+#ifdef __NR_seccomp
+# include <linux/seccomp.h>
+# include <linux/filter.h>
+# include <linux/limits.h>
+#endif
+
 #include "zdtmtst.h"
 
 const char *test_doc	= "Check that SECCOMP_MODE_FILTER is restored";
 const char *test_author	= "Tycho Andersen <tycho.andersen@canonical.com>";
 
+#ifdef __NR_seccomp
+
 int get_seccomp_mode(pid_t pid)
 {
 	FILE *f;
@@ -174,3 +180,10 @@ err:
 	kill(pid, SIGKILL);
 	return 1;
 }
+
+
+#else /* __NR_seccomp */
+
+#include "skip-me.c"
+
+#endif /* __NR_seccomp */

test/zdtm/static/seccomp_filter_tsync.c

@@ -4,15 +4,19 @@
 #include <stddef.h>
 #include <sys/prctl.h>
 #include <sys/ptrace.h>
-#include <linux/seccomp.h>
-#include <linux/filter.h>
-#include <linux/limits.h>
 #include <stdlib.h>
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <sys/wait.h>
 #include <sys/syscall.h>
-#include <pthread.h>
+
+#ifdef __NR_seccomp
+# include <linux/seccomp.h>
+# include <linux/filter.h>
+# include <linux/limits.h>
+# include <pthread.h>
+#endif
+
 #include "zdtmtst.h"
 
 #ifndef SECCOMP_SET_MODE_FILTER
@@ -26,6 +30,8 @@
 const char *test_doc	= "Check that SECCOMP_FILTER_FLAG_TSYNC works correctly after restore";
 const char *test_author	= "Tycho Andersen <tycho.andersen@canonical.com>";
 
+#ifdef __NR_seccomp
+
 pthread_mutex_t getpid_wait;
 
 int get_seccomp_mode(pid_t pid)
@@ -200,3 +206,9 @@ err:
 	kill(pid, SIGKILL);
 	return 1;
 }
+
+#else /* __NR_seccomp */
+
+#include "skip-me.c"
+
+#endif /* __NR_seccomp */

test/zdtm/static/seccomp_strict.c

@@ -2,18 +2,24 @@
 #include <stdbool.h>
 #include <signal.h>
 #include <sys/prctl.h>
-#include <linux/seccomp.h>
-#include <linux/limits.h>
 #include <stdlib.h>
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <sys/wait.h>
 #include <sys/syscall.h>
+
+#ifdef __NR_seccomp
+# include <linux/seccomp.h>
+# include <linux/limits.h>
+#endif
+
 #include "zdtmtst.h"
 
 const char *test_doc	= "Check that SECCOMP_MODE_STRICT is restored";
 const char *test_author	= "Tycho Andersen <tycho.andersen@canonical.com>";
 
+#ifdef __NR_seccomp
+
 int get_seccomp_mode(pid_t pid)
 {
 	FILE *f;
@@ -120,3 +126,9 @@ err:
 	kill(pid, SIGKILL);
 	return 1;
 }
+
+#else /* __NR_seccomp */
+
+#include "skip-me.c"
+
+#endif /* __NR_seccomp */

test/zdtm/static/skip-me.c

+int main(int argc, char ** argv)
+{
+	test_init(argc, argv);
+
+	test_msg("Skipping test on incompatible kernel");
+
+	test_daemon();
+	test_waitsig();
+
+	pass();
+	return 0;
+}