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Removed the obsolete birdloop flagger

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This was useful when events were locking. As now sending events is lockless,
we can drop this obsolete routine for good.
This commit is contained in:
Maria Matejka 2024-03-05 14:52:50 +01:00
parent 59dc95aa25
commit 6a13c02d3b
5 changed files with 0 additions and 44 deletions
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8
lib/io-loop.h
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@ -59,14 +59,6 @@ void birdloop_unlink(struct birdloop *loop);
void birdloop_ping(struct birdloop *loop);
struct birdloop_flag_handler {
void (*hook)(struct birdloop_flag_handler *, u32 flags);
void *data;
};
void birdloop_flag(struct birdloop *loop, u32 flag);
void birdloop_flag_set_handler(struct birdloop *, struct birdloop_flag_handler *);
/* Setup sockets */
void birdloop_add_socket(struct birdloop *, struct birdsock *);
void birdloop_remove_socket(struct birdloop *, struct birdsock *);

1
nest/route.h
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@ -125,7 +125,6 @@ struct rtable_private {
struct event *hcu_uncork_event; /* Helper event to schedule HCU on uncork */
struct timer *prune_timer; /* Timer for periodic pruning / GC */
struct event *prune_event; /* Event for prune execution */
struct birdloop_flag_handler fh; /* Handler for simple events */
btime last_rt_change; /* Last time when route changed */
btime gc_time; /* Time of last GC */
uint gc_counter; /* Number of operations since last GC */

2
nest/rt-table.c
View File

@ -2690,8 +2690,6 @@ rt_setup(pool *pp, struct rtable_config *cf)
UNLOCK_DOMAIN(rtable, dom);
/* Setup the service thread flag handler */
birdloop_flag_set_handler(t->loop, &t->fh);
birdloop_leave(t->loop);
return RT_PUB(t);

31
sysdep/unix/io-loop.c
View File

@ -188,34 +188,6 @@ birdloop_in_this_thread(struct birdloop *loop)
return pthread_equal(pthread_self(), loop->thread->thread_id);
}
void
birdloop_flag(struct birdloop *loop, u32 flag)
{
atomic_fetch_or_explicit(&loop->flags, flag, memory_order_acq_rel);
birdloop_ping(loop);
}
void
birdloop_flag_set_handler(struct birdloop *loop, struct birdloop_flag_handler *fh)
{
ASSERT_DIE(birdloop_inside(loop));
loop->flag_handler = fh;
}
static int
birdloop_process_flags(struct birdloop *loop)
{
if (!loop->flag_handler)
return 0;
u32 flags = atomic_exchange_explicit(&loop->flags, 0, memory_order_acq_rel);
if (!flags)
return 0;
loop->flag_handler->hook(loop->flag_handler, flags);
return 1;
}
/*
* Wakeup code for birdloop
*/
@ -1504,9 +1476,6 @@ birdloop_run(void *_loop)
/* Run timers */
timers_fire(&loop->time, 0);
/* Run flag handlers */
repeat += birdloop_process_flags(loop);
/* Run events */
repeat += ev_run_list(&loop->event_list);

2
sysdep/unix/io-loop.h
View File

@ -58,8 +58,6 @@ struct birdloop
_Atomic u32 thread_transition;
#define LTT_PING 1
#define LTT_MOVE 2
_Atomic u32 flags;
struct birdloop_flag_handler *flag_handler;
void (*stopped)(void *data);
void *stop_data;