2013-09-16 21:57:40 +00:00
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/*
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* BIRD -- I/O and event loop
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*
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* Can be freely distributed and used under the terms of the GNU GPL.
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*/
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2013-09-10 10:09:36 +00:00
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2021-06-19 18:50:18 +00:00
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#ifndef _BIRD_SYSDEP_UNIX_IO_LOOP_H_
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#define _BIRD_SYSDEP_UNIX_IO_LOOP_H_
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2013-09-10 10:09:36 +00:00
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2021-11-12 21:58:40 +00:00
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#include "lib/rcu.h"
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2023-01-21 22:42:02 +00:00
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#include <pthread.h>
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2022-09-20 15:01:50 +00:00
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struct pipe
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{
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int fd[2];
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};
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2023-02-24 08:13:35 +00:00
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struct pfd {
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BUFFER(struct pollfd) pfd;
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BUFFER(struct birdloop *) loop;
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};
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void sockets_prepare(struct birdloop *, struct pfd *);
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2023-04-02 17:15:22 +00:00
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void socket_changed(struct birdsock *);
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2023-02-24 08:13:35 +00:00
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2022-09-20 15:01:50 +00:00
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void pipe_new(struct pipe *);
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2023-02-24 08:13:35 +00:00
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void pipe_pollin(struct pipe *, struct pfd *);
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2022-09-20 15:01:50 +00:00
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void pipe_drain(struct pipe *);
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void pipe_kick(struct pipe *);
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2023-04-26 20:24:42 +00:00
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#define TIME_BY_SEC_SIZE 16
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struct spent_time {
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u64 total_ns;
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u64 last_written_ns;
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u64 by_sec_ns[TIME_BY_SEC_SIZE];
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2023-04-26 17:10:52 +00:00
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};
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2021-06-19 18:50:18 +00:00
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struct birdloop
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{
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2023-01-19 09:49:47 +00:00
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node n;
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2023-02-24 08:13:35 +00:00
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event event;
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timer timer;
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2021-06-19 18:50:18 +00:00
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pool *pool;
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2013-09-16 21:57:40 +00:00
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2021-06-19 18:50:18 +00:00
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struct timeloop time;
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event_list event_list;
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list sock_list;
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2023-04-02 17:15:22 +00:00
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struct birdsock *sock_active;
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2023-01-19 09:49:47 +00:00
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int sock_num;
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2023-04-30 20:17:42 +00:00
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uint sock_changed:1;
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2013-09-10 10:09:36 +00:00
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2022-07-28 17:49:03 +00:00
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uint ping_pending;
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2021-11-12 21:58:40 +00:00
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2023-02-24 08:13:35 +00:00
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_Atomic u32 thread_transition;
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#define LTT_PING 1
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#define LTT_MOVE 2
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2022-09-12 08:24:55 +00:00
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2024-06-09 09:29:47 +00:00
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u64 last_transition_ns;
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2021-06-19 18:50:18 +00:00
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void (*stopped)(void *data);
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void *stop_data;
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2013-09-16 21:57:40 +00:00
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2021-06-19 18:50:18 +00:00
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struct birdloop *prev_loop;
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2023-01-19 09:49:47 +00:00
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struct bird_thread *thread;
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2023-04-26 17:10:52 +00:00
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#define TIME_BY_SEC_SIZE 16
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2023-04-26 20:24:42 +00:00
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struct spent_time working, locking;
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2023-01-19 09:49:47 +00:00
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};
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struct bird_thread
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{
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node n;
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struct pipe wakeup;
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event_list priority_events;
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2023-02-24 08:13:35 +00:00
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struct birdloop *meta;
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2023-01-19 09:49:47 +00:00
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pthread_t thread_id;
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pthread_attr_t thread_attr;
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list loops;
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2023-04-17 09:37:29 +00:00
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struct birdloop_pickup_group *group;
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2023-01-19 09:49:47 +00:00
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pool *pool;
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2023-02-24 08:13:35 +00:00
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struct pfd *pfd;
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2023-01-19 09:49:47 +00:00
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event cleanup_event;
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2023-04-02 17:15:22 +00:00
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2023-04-30 20:17:42 +00:00
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u8 sock_changed;
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u8 busy_active;
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u16 busy_counter;
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2023-04-06 18:18:04 +00:00
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uint loop_count;
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u64 max_latency_ns;
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u64 max_loop_time_ns;
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2023-04-26 20:24:42 +00:00
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2023-04-30 20:17:42 +00:00
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struct spent_time overhead, idle;
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2021-06-19 18:50:18 +00:00
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};
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2013-09-10 10:09:36 +00:00
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2023-08-21 18:56:19 +00:00
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struct bird_thread_syncer {
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pool *pool;
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DOMAIN(control) lock;
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uint total;
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uint done;
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void (*hook)(struct bird_thread_syncer *); /* Runs in worker threads */
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void (*finish)(struct bird_thread_syncer *); /* Runs in main thread last */
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};
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void bird_thread_sync_all(struct bird_thread_syncer *sync,
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void (*hook)(struct bird_thread_syncer *),
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void (*done)(struct bird_thread_syncer *), const char *name);
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2021-06-19 18:50:18 +00:00
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#endif
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