[LTP] [PATCH 1/4] tst_atomic: make tst_atomic_inc take a signed integer

[Cyril Hrubis]

Hi!
> This is a preparation for upcoming patches, which add atomic_add_return(),
> that takes signed integer.

What is the problem with unsigned integer?

> Signed-off-by: Jan Stancek <jstancek@redhat.com>
> ---
>  doc/test-writing-guidelines.txt | 2 +-
>  include/tst_atomic.h            | 2 +-
>  lib/newlib_tests/test08.c       | 2 +-
>  lib/tst_test.c                  | 8 ++++----
>  4 files changed, 7 insertions(+), 7 deletions(-)
> 
> diff --git a/doc/test-writing-guidelines.txt b/doc/test-writing-guidelines.txt
> index d0b14084c90b..c0ef33afd5bb 100644
> --- a/doc/test-writing-guidelines.txt
> +++ b/doc/test-writing-guidelines.txt
> @@ -780,7 +780,7 @@ the user supplied cleanup to the test library.
>  
>  static void cleanup(void)
>  {
> -	static unsigned int flag;
> +	static int flag;
>  
>  	if (tst_atomic_inc(&flag) != 1)
>  		pthread_exit(NULL);
> diff --git a/include/tst_atomic.h b/include/tst_atomic.h
> index 75c713d38d2a..40b2c581f19d 100644
> --- a/include/tst_atomic.h
> +++ b/include/tst_atomic.h
> @@ -18,7 +18,7 @@
>  #ifndef TST_ATOMIC_H__
>  #define TST_ATOMIC_H__
>  
> -static inline unsigned int tst_atomic_inc(unsigned int *v)
> +static inline unsigned int tst_atomic_inc(int *v)
                    ^
		 This should be removed as well, right?

>  {
>  	return __sync_add_and_fetch(v, 1);
>  }
> diff --git a/lib/newlib_tests/test08.c b/lib/newlib_tests/test08.c
> index 8fefc182650d..0a2023119a71 100644
> --- a/lib/newlib_tests/test08.c
> +++ b/lib/newlib_tests/test08.c
> @@ -35,7 +35,7 @@ static void setup(void)
>  
>  static void cleanup(void)
>  {
> -	static unsigned int flag;
> +	static int flag;
>  
>  	/* Avoid subsequent threads to enter the cleanup */
>  	if (tst_atomic_inc(&flag) != 1)
> diff --git a/lib/tst_test.c b/lib/tst_test.c
> index 37265fe50951..66c0bc67127f 100644
> --- a/lib/tst_test.c
> +++ b/lib/tst_test.c
> @@ -43,10 +43,10 @@ static float duration = -1;
>  static pid_t main_pid;
>  
>  struct results {
> -	unsigned int passed;
> -	unsigned int skipped;
> -	unsigned int failed;
> -	unsigned int warnings;
> +	int passed;
> +	int skipped;
> +	int failed;
> +	int warnings;
>  };

We print these values with %u in do_exit(), that should be updated as
well.

>  static struct results *results;
> -- 
> 1.8.3.1
> 
> 
> -- 
> Mailing list info: https://lists.linux.it/listinfo/ltp

-- 
Cyril Hrubis
chrubis@suse.cz