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-rw-r--r--lib/event.h38
1 files changed, 31 insertions, 7 deletions
diff --git a/lib/event.h b/lib/event.h
index 5f3b78d8..0bef737a 100644
--- a/lib/event.h
+++ b/lib/event.h
@@ -10,33 +10,57 @@
#define _BIRD_EVENT_H_
#include "lib/resource.h"
+#include "lib/locking.h"
+#include "lib/rcu.h"
+
+#include <stdatomic.h>
+
+struct birdloop;
typedef struct event {
resource r;
void (*hook)(void *);
void *data;
- node n; /* Internal link */
+ struct event * _Atomic next;
+ struct event_list * _Atomic list;
} event;
-typedef list event_list;
+typedef struct event_list {
+ event * _Atomic receiver; /* Event receive list */
+ event * _Atomic _executor; /* Event execute list */
+ const char *name;
+ struct birdloop *loop; /* The executor loop */
+} event_list;
extern event_list global_event_list;
extern event_list global_work_list;
event *ev_new(pool *);
void ev_run(event *);
-#define ev_init_list(el) init_list(el)
+void ev_init_list(event_list *, struct birdloop *loop, const char *name);
void ev_enqueue(event_list *, event *);
-void ev_schedule(event *);
-void ev_schedule_work(event *);
+#define ev_send ev_enqueue
+#define ev_send_loop(l, e) ev_send(birdloop_event_list((l)), (e))
+
+#define ev_schedule(e) ({ ASSERT_THE_BIRD_LOCKED; if (!ev_active((e))) ev_send(&global_event_list, (e)); })
+#define ev_schedule_work(e) ({ ASSERT_THE_BIRD_LOCKED; if (!ev_active((e))) ev_send(&global_work_list, (e)); })
+
void ev_postpone(event *);
-int ev_run_list(event_list *);
int ev_run_list_limited(event_list *, uint);
+#define ev_run_list(l) ev_run_list_limited((l), ~0)
+
+#define LEGACY_EVENT_LIST(l) (((l) == &global_event_list) || ((l) == &global_work_list))
static inline int
ev_active(event *e)
{
- return e->n.next != NULL;
+ return atomic_load_explicit(&e->list, memory_order_acquire) != NULL;
+}
+
+static inline event_list *
+ev_get_list(event *e)
+{
+ return atomic_load_explicit(&e->list, memory_order_acquire);
}
static inline event*