diff options
Diffstat (limited to 'kernel/async.c')
-rw-r--r-- | kernel/async.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/kernel/async.c b/kernel/async.c index 9d31183..d9bf2a9 100644 --- a/kernel/async.c +++ b/kernel/async.c @@ -57,6 +57,8 @@ asynchronous and synchronous parts of the kernel. #include <linux/slab.h> #include <linux/workqueue.h> +#include "workqueue_internal.h" + static async_cookie_t next_cookie = 1; #define MAX_WORK 32768 @@ -337,3 +339,15 @@ void async_synchronize_cookie(async_cookie_t cookie) async_synchronize_cookie_domain(cookie, &async_running); } EXPORT_SYMBOL_GPL(async_synchronize_cookie); + +/** + * current_is_async - is %current an async worker task? + * + * Returns %true if %current is an async worker task. + */ +bool current_is_async(void) +{ + struct worker *worker = current_wq_worker(); + + return worker && worker->current_func == async_run_entry_fn; +} |