[PATCH v2] Restore _lock initialization in non-single threaded mode

[Corinna Vinschen]

On Aug 30 15:54, Torbjörn SVENSSON wrote:
> When __SINGLE_THREAD__ is not defined, stdin, stdout and stderr needs
> to have their _lock instance initialized. The __sfp() method is not
> invoked for the 3 mentioned fds thus, the std() method needs to handle
> the initialization of the lock.
> 
> This is more or less a revert of 382550072b49430f8c69adee937a0ba07bd385e6
> 
> Contributed by STMicroelectronics
> 
> Signed-off-by: Torbjörn SVENSSON <torbjorn.svensson@foss.st.com>
> ---
>  newlib/libc/stdio/findfp.c | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/newlib/libc/stdio/findfp.c b/newlib/libc/stdio/findfp.c
> index c43028209..2cc549537 100644
> --- a/newlib/libc/stdio/findfp.c
> +++ b/newlib/libc/stdio/findfp.c
> @@ -88,6 +88,10 @@ std (FILE *ptr,
>  #else /* _STDIO_CLOSE_STD_STREAMS */
>    ptr->_close = NULL;
>  #endif /* _STDIO_CLOSE_STD_STREAMS */
> +#ifndef __SINGLE_THREAD__
> +  if (ptr == &__sf[0] || ptr == &__sf[1] || ptr == &__sf[2])
> +    __lock_init_recursive (ptr->_lock);
> +#endif
>  #ifdef __SCLE
>    if (__stextmode (ptr->_file))
>      ptr->_flags |= __SCLE;
> -- 
> 2.25.1

Pushed.


Thanks,
Corinna