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author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2013-07-27 22:07:53 +0000 |
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committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2013-07-27 22:07:53 +0000 |
commit | 4fbe7358c7747a9165f776eb19addbb9baf7def2 (patch) | |
tree | bc7076b4f6d10c2cc2942539bb666e50f0b66954 /libdde_linux26/contrib/include/linux/workqueue.h | |
parent | 21adb5284111190057db245cfc2b54091920c373 (diff) |
rename libdde_linux26 into libdde-linux26 to make dpkg-source happy
Diffstat (limited to 'libdde_linux26/contrib/include/linux/workqueue.h')
-rw-r--r-- | libdde_linux26/contrib/include/linux/workqueue.h | 263 |
1 files changed, 0 insertions, 263 deletions
diff --git a/libdde_linux26/contrib/include/linux/workqueue.h b/libdde_linux26/contrib/include/linux/workqueue.h deleted file mode 100644 index 3cd51e57..00000000 --- a/libdde_linux26/contrib/include/linux/workqueue.h +++ /dev/null @@ -1,263 +0,0 @@ -/* - * workqueue.h --- work queue handling for Linux. - */ - -#ifndef _LINUX_WORKQUEUE_H -#define _LINUX_WORKQUEUE_H - -#include <linux/timer.h> -#include <linux/linkage.h> -#include <linux/bitops.h> -#include <linux/lockdep.h> -#include <asm/atomic.h> - -struct workqueue_struct; - -struct work_struct; -typedef void (*work_func_t)(struct work_struct *work); - -/* - * The first word is the work queue pointer and the flags rolled into - * one - */ -#define work_data_bits(work) ((unsigned long *)(&(work)->data)) - -struct work_struct { - atomic_long_t data; -#define WORK_STRUCT_PENDING 0 /* T if work item pending execution */ -#define WORK_STRUCT_FLAG_MASK (3UL) -#define WORK_STRUCT_WQ_DATA_MASK (~WORK_STRUCT_FLAG_MASK) - struct list_head entry; - work_func_t func; -#ifdef CONFIG_LOCKDEP - struct lockdep_map lockdep_map; -#endif -}; - -#define WORK_DATA_INIT() ATOMIC_LONG_INIT(0) - -struct delayed_work { - struct work_struct work; - struct timer_list timer; -}; - -struct execute_work { - struct work_struct work; -}; - -#ifdef CONFIG_LOCKDEP -/* - * NB: because we have to copy the lockdep_map, setting _key - * here is required, otherwise it could get initialised to the - * copy of the lockdep_map! - */ -#define __WORK_INIT_LOCKDEP_MAP(n, k) \ - .lockdep_map = STATIC_LOCKDEP_MAP_INIT(n, k), -#else -#define __WORK_INIT_LOCKDEP_MAP(n, k) -#endif - -#define __WORK_INITIALIZER(n, f) { \ - .data = WORK_DATA_INIT(), \ - .entry = { &(n).entry, &(n).entry }, \ - .func = (f), \ - __WORK_INIT_LOCKDEP_MAP(#n, &(n)) \ - } - -#define __DELAYED_WORK_INITIALIZER(n, f) { \ - .work = __WORK_INITIALIZER((n).work, (f)), \ - .timer = TIMER_INITIALIZER(NULL, 0, 0), \ - } - -#define DECLARE_WORK(n, f) \ - struct work_struct n = __WORK_INITIALIZER(n, f) - -#define DECLARE_DELAYED_WORK(n, f) \ - struct delayed_work n = __DELAYED_WORK_INITIALIZER(n, f) - -/* - * initialize a work item's function pointer - */ -#define PREPARE_WORK(_work, _func) \ - do { \ - (_work)->func = (_func); \ - } while (0) - -#define PREPARE_DELAYED_WORK(_work, _func) \ - PREPARE_WORK(&(_work)->work, (_func)) - -/* - * initialize all of a work item in one go - * - * NOTE! No point in using "atomic_long_set()": useing a direct - * assignment of the work data initializer allows the compiler - * to generate better code. - */ -#ifdef CONFIG_LOCKDEP -#define INIT_WORK(_work, _func) \ - do { \ - static struct lock_class_key __key; \ - \ - (_work)->data = (atomic_long_t) WORK_DATA_INIT(); \ - lockdep_init_map(&(_work)->lockdep_map, #_work, &__key, 0);\ - INIT_LIST_HEAD(&(_work)->entry); \ - PREPARE_WORK((_work), (_func)); \ - } while (0) -#else -#define INIT_WORK(_work, _func) \ - do { \ - (_work)->data = (atomic_long_t) WORK_DATA_INIT(); \ - INIT_LIST_HEAD(&(_work)->entry); \ - PREPARE_WORK((_work), (_func)); \ - } while (0) -#endif - -#define INIT_DELAYED_WORK(_work, _func) \ - do { \ - INIT_WORK(&(_work)->work, (_func)); \ - 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 - */ -#define work_pending(work) \ - test_bit(WORK_STRUCT_PENDING, work_data_bits(work)) - -/** - * delayed_work_pending - Find out whether a delayable work item is currently - * pending - * @work: The work item in question - */ -#define delayed_work_pending(w) \ - work_pending(&(w)->work) - -/** - * work_clear_pending - for internal use only, mark a work item as not pending - * @work: The work item in question - */ -#define work_clear_pending(work) \ - clear_bit(WORK_STRUCT_PENDING, work_data_bits(work)) - - -extern struct workqueue_struct * -__create_workqueue_key(const char *name, int singlethread, - int freezeable, int rt, struct lock_class_key *key, - const char *lock_name); - -#ifdef CONFIG_LOCKDEP -#define __create_workqueue(name, singlethread, freezeable, rt) \ -({ \ - static struct lock_class_key __key; \ - const char *__lock_name; \ - \ - if (__builtin_constant_p(name)) \ - __lock_name = (name); \ - else \ - __lock_name = #name; \ - \ - __create_workqueue_key((name), (singlethread), \ - (freezeable), (rt), &__key, \ - __lock_name); \ -}) -#else -#define __create_workqueue(name, singlethread, freezeable, rt) \ - __create_workqueue_key((name), (singlethread), (freezeable), (rt), \ - NULL, NULL) -#endif - -#define create_workqueue(name) __create_workqueue((name), 0, 0, 0) -#define create_rt_workqueue(name) __create_workqueue((name), 0, 0, 1) -#define create_freezeable_workqueue(name) __create_workqueue((name), 1, 1, 0) -#define create_singlethread_workqueue(name) __create_workqueue((name), 1, 0, 0) - -extern void destroy_workqueue(struct workqueue_struct *wq); - -extern int queue_work(struct workqueue_struct *wq, struct work_struct *work); -extern int queue_work_on(int cpu, struct workqueue_struct *wq, - struct work_struct *work); -extern int queue_delayed_work(struct workqueue_struct *wq, - struct delayed_work *work, unsigned long delay); -extern int queue_delayed_work_on(int cpu, struct workqueue_struct *wq, - struct delayed_work *work, unsigned long delay); - -extern void flush_workqueue(struct workqueue_struct *wq); -extern void flush_scheduled_work(void); - -extern int schedule_work(struct work_struct *work); -extern int schedule_work_on(int cpu, struct work_struct *work); -extern int schedule_delayed_work(struct delayed_work *work, unsigned long delay); -extern int schedule_delayed_work_on(int cpu, struct delayed_work *work, - unsigned long delay); -extern int schedule_on_each_cpu(work_func_t func); -extern int current_is_keventd(void); -extern int keventd_up(void); - -extern void init_workqueues(void); -int execute_in_process_context(work_func_t fn, struct execute_work *); - -extern int flush_work(struct work_struct *work); - -extern int cancel_work_sync(struct work_struct *work); - -/* - * Kill off a pending schedule_delayed_work(). Note that the work callback - * function may still be running on return from cancel_delayed_work(), unless - * it returns 1 and the work doesn't re-arm itself. Run flush_workqueue() or - * cancel_work_sync() to wait on it. - */ -static inline int cancel_delayed_work(struct delayed_work *work) -{ - int ret; - - ret = del_timer_sync(&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() */ -static inline -void cancel_rearming_delayed_workqueue(struct workqueue_struct *wq, - struct delayed_work *work) -{ - cancel_delayed_work_sync(work); -} - -/* Obsolete. use cancel_delayed_work_sync() */ -static inline -void cancel_rearming_delayed_work(struct delayed_work *work) -{ - cancel_delayed_work_sync(work); -} - -#ifndef CONFIG_SMP -static inline long work_on_cpu(unsigned int cpu, long (*fn)(void *), void *arg) -{ - return fn(arg); -} -#else -long work_on_cpu(unsigned int cpu, long (*fn)(void *), void *arg); -#endif /* CONFIG_SMP */ -#endif |