On Mon, Jul 8, 2024 at 8:14 PM Zhao Zhili <quinkbl...@foxmail.com> wrote:
> From: Zhao Zhili <zhiliz...@tencent.com>
>
> av_executor_execute run the task directly when thread is disabled.
> The task can schedule a new task by call av_executor_execute. This
> forms an implicit recursive call. This patch removed the recursive
> call.
>
Thank you, Zhili.
LGTM
Using bool is a good idea.
We could also use bool for has_lock, has_cond, and die.
> ---
> v2: use bool type
>
> libavutil/executor.c | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/libavutil/executor.c b/libavutil/executor.c
> index 89058fab2f..bfce2ac444 100644
> --- a/libavutil/executor.c
> +++ b/libavutil/executor.c
> @@ -20,6 +20,8 @@
>
> #include "config.h"
>
> +#include <stdbool.h>
> +
> #include "mem.h"
> #include "thread.h"
>
> @@ -49,6 +51,7 @@ typedef struct ThreadInfo {
> struct AVExecutor {
> AVTaskCallbacks cb;
> int thread_count;
> + bool recursive;
>
> ThreadInfo *threads;
> uint8_t *local_contexts;
> @@ -207,8 +210,12 @@ void av_executor_execute(AVExecutor *e, AVTask *t)
> }
>
> if (!e->thread_count || !HAVE_THREADS) {
> + if (e->recursive)
> + return;
> + e->recursive = true;
> // We are running in a single-threaded environment, so we must
> handle all tasks ourselves
> while (run_one_task(e, e->local_contexts))
> /* nothing */;
> + e->recursive = false;
> }
> }
> --
> 2.42.0
>
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