diff options
Diffstat (limited to 'include/linux/workqueue.h')
| -rw-r--r-- | include/linux/workqueue.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/include/linux/workqueue.h b/include/linux/workqueue.h index b36291130f2..6273fa97b52 100644 --- a/include/linux/workqueue.h +++ b/include/linux/workqueue.h @@ -41,6 +41,11 @@ struct delayed_work { struct timer_list timer; }; +static inline struct delayed_work *to_delayed_work(struct work_struct *work) +{ + return container_of(work, struct delayed_work, work); +} + struct execute_work { struct work_struct work; }; @@ -118,12 +123,24 @@ struct execute_work { init_timer(&(_work)->timer); \ } while (0) +#define INIT_DELAYED_WORK_ON_STACK(_work, _func) \ + do { \ + INIT_WORK(&(_work)->work, (_func)); \ + init_timer_on_stack(&(_work)->timer); \ + } while (0) + #define INIT_DELAYED_WORK_DEFERRABLE(_work, _func) \ do { \ INIT_WORK(&(_work)->work, (_func)); \ init_timer_deferrable(&(_work)->timer); \ } while (0) +#define INIT_DELAYED_WORK_ON_STACK(_work, _func) \ + do { \ + INIT_WORK(&(_work)->work, (_func)); \ + init_timer_on_stack(&(_work)->timer); \ + } while (0) + /** * work_pending - Find out whether a work item is currently pending * @work: The work item in question @@ -223,6 +240,21 @@ static inline int cancel_delayed_work(struct delayed_work *work) return ret; } +/* + * Like above, but uses del_timer() instead of del_timer_sync(). This means, + * if it returns 0 the timer function may be running and the queueing is in + * progress. + */ +static inline int __cancel_delayed_work(struct delayed_work *work) +{ + int ret; + + ret = del_timer(&work->timer); + if (ret) + work_clear_pending(&work->work); + return ret; +} + extern int cancel_delayed_work_sync(struct delayed_work *work); /* Obsolete. use cancel_delayed_work_sync() */ |