diff options
| author | Shell <[email protected]> | 2024-05-08 09:25:57 +0800 |
|---|---|---|
| committer | GitHub <[email protected]> | 2024-05-08 09:25:57 +0800 |
| commit | 48bd0e49f2687708e0aca2f3791ccc295920c80a (patch) | |
| tree | 0136f4ea386c9b837ec07b436356bea30a00e0f2 /components/drivers/include | |
| parent | 9ba6cec663428bad57204e2e3373b48c70efe61f (diff) | |
[ipc] support of lockless rt_completion (#8887)
* [ipc] lockless rt_completion implementation
The new rt_completion implemented by lockless algorithm can improve timer resolution for up to ~12%, compare to sem IPC.
Signed-off-by: Shell <[email protected]>
* fixup: error
* remove useless changes
---------
Signed-off-by: Shell <[email protected]>
Diffstat (limited to 'components/drivers/include')
| -rw-r--r-- | components/drivers/include/ipc/completion.h | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/components/drivers/include/ipc/completion.h b/components/drivers/include/ipc/completion.h index 266ddd281e..30f4acf81c 100644 --- a/components/drivers/include/ipc/completion.h +++ b/components/drivers/include/ipc/completion.h @@ -5,6 +5,7 @@ * * Change Logs: * Date Author Notes + * 2024-04-28 Shell Add new wait_flags() & wakeup_by_errno() API */ #ifndef COMPLETION_H_ #define COMPLETION_H_ @@ -13,7 +14,7 @@ #include <rtconfig.h> /** - * Completion - A tiny IPC implementation for resource-constrained scenarios + * Completion - A tiny & rapid IPC primitive for resource-constrained scenarios * * It's an IPC using one CPU word with the encoding: * @@ -24,7 +25,7 @@ struct rt_completion { /* suspended thread, and completed flag */ - rt_base_t susp_thread_n_flag; + rt_atomic_t susp_thread_n_flag; }; #define RT_COMPLETION_INIT(comp) {0} @@ -32,7 +33,9 @@ struct rt_completion void rt_completion_init(struct rt_completion *completion); rt_err_t rt_completion_wait(struct rt_completion *completion, rt_int32_t timeout); +rt_err_t rt_completion_wait_flags(struct rt_completion *completion, + rt_int32_t timeout, int suspend_flag); void rt_completion_done(struct rt_completion *completion); rt_err_t rt_completion_wakeup(struct rt_completion *completion); - +rt_err_t rt_completion_wakeup_by_errno(struct rt_completion *completion, rt_err_t error); #endif |