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https://gitlab.nic.cz/labs/bird.git
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94eb0858c2
There is a simple universal IO loop, taking care of events, timers and sockets. Primarily, one instance of a protocol should use exactly one IO loop to do all its work, as is now done in BFD. Contrary to previous versions, the loop is now launched and cleaned by the nest/proto.c code, allowing for a protocol to just request its own loop by setting the loop's lock order in config higher than the_bird. It is not supported nor checked if any protocol changed the requested lock order in reconfigure. No protocol should do it at all.
55 lines
1.6 KiB
C
55 lines
1.6 KiB
C
/*
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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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#ifndef _BIRD_IO_LOOP_H_
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#define _BIRD_IO_LOOP_H_
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#include "nest/bird.h"
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#include "lib/lists.h"
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#include "lib/locking.h"
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#include "lib/resource.h"
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#include "lib/event.h"
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#include "lib/socket.h"
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void sk_start(sock *s);
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void sk_stop(sock *s);
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void sk_reloop(sock *s, struct birdloop *loop);
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extern struct birdloop main_birdloop;
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/* Start a new birdloop owned by given pool and domain */
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struct birdloop *birdloop_new(pool *p, uint order, const char *name);
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/* Stop the loop. At the end, the @stopped callback is called unlocked in tail
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* position to finish cleanup. Run birdloop_free() from that callback to free
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* the loop itself. */
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void birdloop_stop(struct birdloop *loop, void (*stopped)(void *data), void *data);
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void birdloop_stop_self(struct birdloop *loop, void (*stopped)(void *data), void *data);
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void birdloop_free(struct birdloop *loop);
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/* Get birdloop's event list */
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event_list *birdloop_event_list(struct birdloop *loop);
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/* Get birdloop's time heap */
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struct timeloop *birdloop_time_loop(struct birdloop *loop);
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/* Enter and exit the birdloop */
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void birdloop_enter(struct birdloop *loop);
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void birdloop_leave(struct birdloop *loop);
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_Bool birdloop_inside(struct birdloop *loop);
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void birdloop_mask_wakeups(struct birdloop *loop);
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void birdloop_unmask_wakeups(struct birdloop *loop);
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void birdloop_link(struct birdloop *loop);
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void birdloop_unlink(struct birdloop *loop);
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void birdloop_ping(struct birdloop *loop);
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void birdloop_init(void);
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#endif /* _BIRD_IO_LOOP_H_ */
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