Re: [LTP] [PATCH] Adapt the cgroup/test_6_2 test to the various ways clone is called on different architectures

[Subrata Modak <subrata@linux.vnet.ibm.com>]

On Fri, 2009-06-19 at 16:14 +0200, Jiri Palecek > wrote: 
> Code shamelessly taken from clone01 test
> 
> Signed-off-by: Jiri Palecek <jpalecek@web.de>

Thanks.

Regards--
Subrata

> ---
>  .../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
> 
> diff --git a/testcases/kernel/controllers/cgroup/clone_platform.h b/testcases/kernel/controllers/cgroup/clone_platform.h
> new file mode 100644
> index 0000000..1785dd1
> --- /dev/null
> +++ b/testcases/kernel/controllers/cgroup/clone_platform.h
> @@ -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
> diff --git a/testcases/kernel/controllers/cgroup/test_6_2.c b/testcases/kernel/controllers/cgroup/test_6_2.c
> index e5bddb2..79f5c20 100644
> --- a/testcases/kernel/controllers/cgroup/test_6_2.c
> +++ b/testcases/kernel/controllers/cgroup/test_6_2.c
> @@ -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;


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