From 3b15402fd4055cb5bd66cd9ac1106ceecff9f760 Mon Sep 17 00:00:00 2001 From: Martin Mares Date: Thu, 11 Feb 1999 22:18:36 +0000 Subject: Grrr, forgot to commit the event routines themselves :| --- lib/event.c | 87 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ lib/event.h | 33 +++++++++++++++++++++++ 2 files changed, 120 insertions(+) create mode 100644 lib/event.c create mode 100644 lib/event.h diff --git a/lib/event.c b/lib/event.c new file mode 100644 index 0000000..7f5454f --- /dev/null +++ b/lib/event.c @@ -0,0 +1,87 @@ +/* + * BIRD Library -- Event Processing + * + * (c) 1999 Martin Mares + * + * Can be freely distributed and used under the terms of the GNU GPL. + */ + +#include "nest/bird.h" +#include "lib/event.h" + +event_list global_event_list; + +inline void +ev_postpone(event *e) +{ + if (e->n.next) + { + rem_node(&e->n); + e->n.next = NULL; + } +} + +static void +ev_dump(resource *r) +{ + event *e = (event *) r; + + debug("(code %p, data %p, %s)\n", + e->hook, + e->data, + e->n.next ? "scheduled" : "inactive"); +} + +static struct resclass ev_class = { + "Event", + 0, + (void (*)(resource *)) ev_postpone, + ev_dump +}; + +event * +ev_new(pool *p) +{ + event *e = ralloc(p, &ev_class); + + e->hook = NULL; + e->data = NULL; + e->n.next = NULL; + return e; +} + +inline void +ev_run(event *e) +{ + e->hook(e->data); + ev_postpone(e); +} + +inline void +ev_enqueue(event_list *l, event *e) +{ + if (e->n.next) + rem_node(&e->n); + add_tail(l, &e->n); +} + +void +ev_schedule(event *e) +{ + ev_enqueue(&global_event_list, e); +} + +void +ev_run_list(event_list *l) +{ + for(;;) + { + node *n = HEAD(*l); + event *e; + if (!n->next) + break; + e = SKIP_BACK(event, n, n); + ev_run(e); + } +} + diff --git a/lib/event.h b/lib/event.h new file mode 100644 index 0000000..0b1ea84 --- /dev/null +++ b/lib/event.h @@ -0,0 +1,33 @@ +/* + * BIRD Library -- Event Processing + * + * (c) 1999 Martin Mares + * + * Can be freely distributed and used under the terms of the GNU GPL. + */ + +#ifndef _BIRD_EVENT_H_ +#define _BIRD_EVENT_H_ + +#include "lib/resource.h" + +typedef struct event { + resource r; + void (*hook)(void *); + void *data; + node n; /* Internal link */ +} event; + +typedef list event_list; + +extern event_list global_event_list; + +event *ev_new(pool *); +void ev_run(event *); +#define ev_init_list(el) init_list(el) +void ev_enqueue(event_list *, event *); +void ev_schedule(event *); +void ev_postpone(event *); +void ev_run_list(event_list *); + +#endif -- cgit v1.2.3