Adapt the cgroup/test_6_2 test to the various ways clone is called on different architectures

Code shamelessly taken from clone01 test

Signed-off-by Jiri Palecek <[email protected]>

---
 .../kernel/controllers/cgroup/clone_platform.h     |   34 ++++++++++++++++++++
 testcases/kernel/controllers/cgroup/test_6_2.c     |   12 ++++++-
 2 files changed, 45 insertions(+), 1 deletions(-)
 create mode 100644 testcases/kernel/controllers/cgroup/clone_platform.h

testcases/kernel/controllers/cgroup/clone_platform.h new file +34 -0

new file mode 100644
index 0000000..1785dd1
@@ -0,0 +1,34 @@
+/*
+ * Copyright (c) 2003 Silicon Graphics, Inc.  All Rights Reserved.
+ *
+ * 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 along
+ * with this program; if not, write the Free Software Foundation, Inc., 59
+ * Temple Place - Suite 330, Boston MA 02111-1307, USA.
+ *
+ */
+/* Common platform specific defines for the clone system call tests */
+
+//#define CHILD_STACK_SIZE 8192
+#define CHILD_STACK_SIZE 16384
+
+#if defined (__s390__) || (__s390x__)
+#define clone __clone
+extern int __clone(int(void*),void*,int,void*);
+#elif defined(__ia64__)
+#define clone2 __clone2
+/* Prototype provided by David Mosberger				*/
+/* int  __clone2(int (*fn) (void *arg), void *child_stack_base,		*/
+/* 		size_t child_stack_size, int flags, void *arg,		*/
+/*		pid_t *parent_tid, void *tls, pid_t *child_tid)		*/
+extern int  __clone2(int (*fn) (void *arg), void *child_stack_base, 
+		size_t child_stack_size, int flags, void *arg, 
+		pid_t *parent_tid, void *tls, pid_t *child_tid); 
+#endif

testcases/kernel/controllers/cgroup/test_6_2.c +11 -1

index e5bddb2..79f5c20 100644
@@ -24,6 +24,8 @@
 #include <unistd.h>
 #include <sched.h>
 
+#include "clone_platform.h"
+
 #define DEFAULT_USEC	30000
 
 int foo(void __attribute__((unused)) *arg)

@@ -42,7 +44,15 @@ int main(int argc, char **argv)
 
 	while (1) {
 		usleep(usec);
-		clone(foo, stack+4096, CLONE_NEWNS, NULL);
+#if defined(__hppa__)
+		clone(foo, stack, CLONE_NEWNS, NULL);
+#elif defined(__ia64__)
+		clone2(foo, stack,
+			    4096, CLONE_NEWNS, NULL, NULL, NULL, NULL);
+#else
+		clone
+		     (foo, stack + 4096, CLONE_NEWNS, NULL);
+#endif
 	}
 
 	return 0;