[Tarantool-patches] [PATCH luajit 3/3] sysprof: fix a message with stop without run

[Sergey Kaplun]

Hi, Sergey!
Thanks for the fixes!
LGTM, with 2 minor comments below.

On 06.03.25, Sergey Bronnikov wrote:
> When sysprof is not started the function `misc.sysprof.stop()`

Typo: s/started/started,/

> reports that the profiler is already running:
> 
> | $ ./src/luajit -e 'print(misc.sysprof.stop())'
> | nil     profiler is running already     22
> 
> The patch fixes that:
> 
> | $ ./src/luajit -e 'print(misc.sysprof.stop())'
> | nil     profiler is not running         22
> 
> Follows up tarantool/tarantool#781
> ---

<snipped>

> +  if (LJ_UNLIKELY(status == PROFILE_ERRRUN)) {
> +      lua_pushnil(L);
> +      lua_pushstring(L, err2msg(LJ_ERR_PROF_NOTRUNNING));
> +      lua_pushinteger(L, EINVAL);
> +      return 3;
> +  }
>    if (LJ_UNLIKELY(status != PROFILE_SUCCESS))

It looks like more natural now to use `else if` here now.

>      return prof_error(L, status, NULL);
>  
> diff --git a/test/tarantool-tests/profilers/misclib-sysprof-lapi.test.lua b/test/tarantool-tests/profilers/misclib-sysprof-lapi.test.lua
> index 91ea461b..f316c390 100644
> --- a/test/tarantool-tests/profilers/misclib-sysprof-lapi.test.lua
> +++ b/test/tarantool-tests/profilers/misclib-sysprof-lapi.test.lua

<snipped>

> -- 
> 2.43.0
> 

-- 
Best regards,
Sergey Kaplun