core-lightning/common/timeout.c
Rusty Russell 8375857116 common: absorb remaining files from daemon/
Also, we split the more sophisticated json_add helpers to avoid pulling in
everything into lightning-cli, and unify the routines to print struct
short_channel_id (it's ':',  not '/' too).

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2017-08-29 17:54:14 +02:00

43 lines
886 B
C

#include "timeout.h"
#include <common/utils.h>
struct oneshot {
struct timers *timers;
struct timer timer;
void (*cb)(void *);
void *arg;
};
static void remove_timer(struct oneshot *t)
{
timer_del(t->timers, &t->timer);
}
struct oneshot *new_reltimer_(struct timers *timers,
const tal_t *ctx,
struct timerel relexpiry,
void (*cb)(void *), void *arg)
{
struct oneshot *t = tal(ctx, struct oneshot);
t->cb = cb;
t->arg = arg;
t->timers = timers;
timer_init(&t->timer);
timer_addrel(timers, &t->timer, relexpiry);
tal_add_destructor(t, remove_timer);
return t;
}
void timer_expired(tal_t *ctx, struct timer *timer)
{
struct oneshot *t = container_of(timer, struct oneshot, timer);
const tal_t *tmpctx = tal_tmpctx(ctx);
/* If it doesn't free itself, freeing tmpctx will do it */
tal_steal(tmpctx, t);
t->cb(t->arg);
tal_free(tmpctx);
}