[DTrace-devel] [PATCH] test: Change open() to openat() in specopen

Kris Van Hees kris.van.hees at oracle.com
Tue Nov 19 19:30:00 UTC 2024


On Tue, Nov 19, 2024 at 02:18:15PM -0500, eugene.loh at oracle.com wrote:
> From: Eugene Loh <eugene.loh at oracle.com>
> 
> In commit 751f8f46dd29 "test: Clean up tst.specopen.d", there was
> minor cleanup to make this example run.  Actually, it should have
> converted to openat() calls, since open() is deprecated.
> 
> Signed-off-by: Eugene Loh <eugene.loh at oracle.com>

Reviewed-by: Kris Van Hees <kris.van.hees at oraacle.com>

> ---
>  test/demo/spec/specopen.d | 12 ++++++------
>  1 file changed, 6 insertions(+), 6 deletions(-)
> 
> diff --git a/test/demo/spec/specopen.d b/test/demo/spec/specopen.d
> index 700bdd9ff..e7dbc3b25 100644
> --- a/test/demo/spec/specopen.d
> +++ b/test/demo/spec/specopen.d
> @@ -7,7 +7,7 @@
>   * http://oss.oracle.com/licenses/upl.
>   */
>  
> -syscall::open:entry
> +syscall::openat:entry
>  {
>  	/*
>  	 * The call to speculation() creates a new speculation.  If this fails,
> @@ -23,7 +23,7 @@ syscall::open:entry
>  	 * speculatively traced; it will only appear in the data buffer if the
>  	 * speculation is subsequently commited.
>  	 */
> -	printf("%s", stringof(copyinstr(arg0)));
> +	printf("%s", stringof(copyinstr(arg1)));
>  }
>  
>  fbt:::
> @@ -35,20 +35,20 @@ fbt:::
>  	speculate(self->spec);
>  }
>  
> -syscall::open:return
> +syscall::openat:return
>  /self->spec/
>  {
>  	/*
>  	 * To balance the output with the -F option, we want to be sure that
>  	 * every entry has a matching return.  Because we speculated the
> -	 * open entry above, we want to also speculate the open return.
> +	 * openat entry above, we want to also speculate the openat return.
>  	 * This is also a convenient time to trace the errno value.
>  	 */
>  	speculate(self->spec);
>  	trace(errno);
>  }
>  
> -syscall::open:return
> +syscall::openat:return
>  /self->spec && errno != 0/
>  {
>  	/*
> @@ -58,7 +58,7 @@ syscall::open:return
>  	self->spec = 0;
>  }
>  
> -syscall::open:return
> +syscall::openat:return
>  /self->spec && errno == 0/
>  {
>  	/*
> -- 
> 2.43.5
> 



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