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Searched refs:watch (Results 1 – 25 of 100) sorted by relevance

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/linux/kernel/
H A Daudit_watch.c111 kfree(watch); in audit_put_watch()
125 return watch->path; in audit_watch_path()
164 watch = kzalloc(sizeof(*watch), GFP_KERNEL); in audit_init_watch()
170 watch->path = path; in audit_init_watch()
174 return watch; in audit_init_watch()
193 if (IS_ERR(watch)) in audit_to_watch()
196 krule->watch = watch; in audit_to_watch()
368 struct audit_watch *w, *watch = krule->watch; in audit_add_to_parent() local
383 krule->watch = watch = w; in audit_add_to_parent()
402 struct audit_watch *watch = krule->watch; in audit_add_watch() local
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H A Dwatch_queue.c201 struct watch *watch; in __post_watch_notification() local
416 struct watch *watch = container_of(rcu, struct watch, rcu); in free_watch() local
421 kfree(watch); in free_watch()
426 struct watch *watch = container_of(kref, struct watch, usage); in __put_watch() local
434 static void put_watch(struct watch *watch) in put_watch() argument
446 void init_watch(struct watch *watch, struct watch_queue *wqueue) in init_watch() argument
457 struct watch *w; in add_one_watch()
528 struct watch *watch; in remove_watch_from_object() local
553 n.watch.info = watch->info_id | watch_sizeof(n.watch); in remove_watch_from_object()
556 n.watch.info = watch->info_id | watch_sizeof(n); in remove_watch_from_object()
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H A Dauditfilter.c89 if (erule->watch) in audit_free_rule()
90 audit_put_watch(erule->watch); in audit_free_rule()
158 krule->inode_f || krule->watch || krule->tree || in audit_to_inode()
672 audit_watch_path(krule->watch)); in audit_krule_to_data()
737 if (strcmp(audit_watch_path(a->watch), in audit_compare_rule()
738 audit_watch_path(b->watch))) in audit_compare_rule()
816 * of the watch - that pointer is carried over. The LSM specific fields
891 if (old->watch) { in audit_dupe_rule()
892 audit_get_watch(old->watch); in audit_dupe_rule()
893 new->watch in audit_dupe_rule()
942 struct audit_watch *watch = entry->rule.watch; audit_add_rule() local
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H A Daudit.h267 extern void audit_put_watch(struct audit_watch *watch);
268 extern void audit_get_watch(struct audit_watch *watch);
273 extern char *audit_watch_path(struct audit_watch *watch);
274 extern int audit_watch_compare(struct audit_watch *watch, unsigned long ino,
/linux/drivers/xen/xenbus/
H A Dxenbus_dev_frontend.c235 kfree(watch->watch.node); in free_watch_adapter()
237 kfree(watch); in free_watch_adapter()
245 watch = kzalloc(sizeof(*watch), GFP_KERNEL); in alloc_watch_adapter()
249 watch->watch.node = kstrdup(path, GFP_KERNEL); in alloc_watch_adapter()
250 if (watch->watch.node == NULL) in alloc_watch_adapter()
277 adap = container_of(watch, struct watch_adapter, watch); in watch_fired()
327 unregister_xenbus_watch(&watch->watch); in xenbus_worker()
521 watch->watch.callback = watch_fired; in xenbus_write_watch()
524 err = register_xenbus_watch(&watch->watch); in xenbus_write_watch()
534 !strcmp(watch->watch.node, path)) { in xenbus_write_watch()
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H A Dxenbus_xs.c767 char token[sizeof(watch) * 2 + 1]; in register_xenbus_watch()
772 watch->nr_pending = 0; in register_xenbus_watch()
778 list_add(&watch->list, &watches); in register_xenbus_watch()
785 list_del(&watch->list); in register_xenbus_watch()
798 char token[sizeof(watch) * 2 + 1]; in unregister_xenbus_watch()
807 list_del(&watch->list); in unregister_xenbus_watch()
823 if (watch->nr_pending) { in unregister_xenbus_watch()
825 if (event->handle != watch) in unregister_xenbus_watch()
830 watch->nr_pending = 0; in unregister_xenbus_watch()
849 struct xenbus_watch *watch; in xs_resume() local
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H A Dxenbus_probe_backend.c183 static bool frontend_will_handle(struct xenbus_watch *watch, in frontend_will_handle() argument
186 return watch->nr_pending == 0; in frontend_will_handle()
189 static void frontend_changed(struct xenbus_watch *watch, in frontend_changed() argument
192 xenbus_otherend_changed(watch, path, token, 0); in frontend_changed()
212 static void backend_changed(struct xenbus_watch *watch, in backend_changed() argument
H A Dxenbus.h47 bool (*otherend_will_handle)(struct xenbus_watch *watch,
49 void (*otherend_changed)(struct xenbus_watch *watch, const char *path,
125 void xenbus_otherend_changed(struct xenbus_watch *watch,
H A Dxenbus_client.c132 struct xenbus_watch *watch, in xenbus_watch_path() argument
140 watch->node = path; in xenbus_watch_path()
141 watch->will_handle = will_handle; in xenbus_watch_path()
142 watch->callback = callback; in xenbus_watch_path()
144 err = register_xenbus_watch(watch); in xenbus_watch_path()
147 watch->node = NULL; in xenbus_watch_path()
148 watch->will_handle = NULL; in xenbus_watch_path()
149 watch->callback = NULL; in xenbus_watch_path()
178 struct xenbus_watch *watch, in xenbus_watch_pathfmt() argument
197 err = xenbus_watch_path(dev, path, watch, will_handle, callback); in xenbus_watch_pathfmt()
H A Dxenbus_comms.c212 struct xs_watch_event *watch; in process_msg() member
262 len += sizeof(*state.watch); in process_msg()
269 state.body = state.watch->body; in process_msg()
287 state.watch->len = state.msg.len; in process_msg()
288 err = xs_watch_msg(state.watch); in process_msg()
/linux/Documentation/core-api/
H A Dwatch_queue.rst102 watch that specific key).
128 a watch. These can be managed with:
145 A "watch" is a subscription on a watch list, indicating the watch queue, and
150 struct watch {
163 the associated watch queue buffer.
173 * ``void init_watch(struct watch *watch, struct watch_queue *wqueue);``
175 Initialise a watch object, setting its pointer to the watch queue, using
178 * ``int add_watch_to_object(struct watch *watch, struct watch_list *wlist);``
180 Subscribe a watch to a watch list (notification source). The
190 Remove a watch from a watch list, where the watch must match the specified
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/linux/drivers/counter/
H A Dcounter-chrdev.c139 struct counter_watch *const watch, in counter_set_event_node() argument
160 event_node->event = watch->event; in counter_set_event_node()
161 event_node->channel = watch->channel; in counter_set_event_node()
268 struct counter_watch watch; in counter_add_watch() local
276 if (copy_from_user(&watch, uwatch, sizeof(watch))) in counter_add_watch()
282 parent = watch.component.parent; in counter_add_watch()
285 switch (watch.component.scope) { in counter_add_watch()
314 id = watch.component.id; in counter_add_watch()
317 switch (watch.component.type) { in counter_add_watch()
645 ev.watch.event = event; in counter_push_event()
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H A Dinterrupt-cnt.c143 const struct counter_watch *watch) in interrupt_cnt_watch_validate() argument
145 if (watch->channel != 0 || in interrupt_cnt_watch_validate()
146 watch->event != COUNTER_EVENT_CHANGE_OF_STATE) in interrupt_cnt_watch_validate()
/linux/Documentation/translations/zh_CN/core-api/
H A Dwatch_queue.rst105 void (*release_watch)(struct watch *wlist));
135 对象还可以携带该对象的过滤规则，由用户空间设置。watch结构体的某些部分可以由驱动程
138 struct watch {
159 * ``void init_watch(struct watch *watch, struct watch_queue *wqueue);``
163 * ``int add_watch_to_object(struct watch *watch, struct watch_list *wlist);``
165 将观测订阅到观测列表（通知源）。watch结构体中的driver-settable字段必须在调用
251 (watch.info & info_mask) == info_filter
/linux/tools/counter/
H A Dcounter_watch_events.c58 static void print_watch(struct counter_watch *watch, int nwatch) in print_watch() argument
74 counter_component_type_name[watch[i].component.type], in print_watch()
75 counter_scope_name[watch[i].component.scope], in print_watch()
76 watch[i].component.parent, in print_watch()
77 watch[i].component.id, in print_watch()
78 counter_event_type_name[watch[i].event], in print_watch()
79 watch[i].channel); in print_watch()
390 counter_event_type_name[event_data.watch.event], in main()
391 event_data.watch.channel); in main()
/linux/include/linux/
H A Dwatch_queue.h54 struct watch { struct
75 void (*release_watch)(struct watch *); argument
85 extern void init_watch(struct watch *, struct watch_queue *);
86 extern int add_watch_to_object(struct watch *, struct watch_list *);
95 void (*release_watch)(struct watch *)) in init_watch_list() argument
/linux/Documentation/userspace-api/gpio/
H A Dgpio-get-lineinfo-watch-ioctl.rst11 gpio-v2-get-lineinfo-watch-ioctl.rst.
34 the ``offset`` set to indicate the line to watch
55 Multiple lines may be watched simultaneously by adding a watch for each.
57 Once a watch is set, any changes to line info will generate events which can be
61 Adding a watch to a line that is already watched is an error (**EBUSY**).
H A Dgpio-get-lineinfo-unwatch-ioctl.rst29 The offset of the line to no longer watch.
36 This is the reverse of gpio-v2-get-lineinfo-watch-ioctl.rst (v2) and
37 gpio-get-lineinfo-watch-ioctl.rst (v1).
H A Dgpio-v2-get-lineinfo-watch-ioctl.rst30 the ``offset`` set to indicate the line to watch
50 Multiple lines may be watched simultaneously by adding a watch for each.
52 Once a watch is set, any changes to line info will generate events which can be
56 Adding a watch to a line that is already watched is an error (**EBUSY**).
/linux/tools/gpio/
H A DMakefile21 ALL_TARGETS := lsgpio gpio-hammer gpio-event-mon gpio-watch
72 GPIO_WATCH_IN := $(OUTPUT)gpio-watch-in.o
74 $(Q)$(MAKE) $(build)=gpio-watch
75 $(OUTPUT)gpio-watch: $(GPIO_WATCH_IN)
H A DBuild5 gpio-watch-y += gpio-watch.o
/linux/include/xen/
H A Dxenbus.h191 int register_xenbus_watch(struct xenbus_watch *watch);
192 void unregister_xenbus_watch(struct xenbus_watch *watch);
210 struct xenbus_watch *watch,
216 int xenbus_watch_pathfmt(struct xenbus_device *dev, struct xenbus_watch *watch,
/linux/Documentation/filesystems/
H A Dinotify.rst18 What is the design decision behind not tying the watch to the open fd of
30 an fd-per-watch?
33 An fd-per-watch quickly consumes more file descriptors than are allowed,
37 A watch consumes less memory than an open file, separating the number
47 fd returns all watch events and also any potential out-of-band data. If
48 every fd was a separate watch,
/linux/include/uapi/linux/
H A Dwatch_queue.h75 struct watch_notification watch; member
99 struct watch_notification watch; member
/linux/security/keys/
H A Dinternal.h184 .watch.type = WATCH_TYPE_KEY_NOTIFY, in notify_key()
185 .watch.subtype = subtype, in notify_key()
186 .watch.info = watch_sizeof(n), in notify_key()
191 post_watch_notification(key->watchers, &n.watch, current_cred(), in notify_key()

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