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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.
30 lines
705 B
C
30 lines
705 B
C
/*
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* BIRD Coroutines
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*
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* (c) 2017 Martin Mares <mj@ucw.cz>
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* (c) 2020-2021 Maria Matejka <mq@jmq.cz>
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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_CORO_H_
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#define _BIRD_CORO_H_
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#include "lib/resource.h"
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/* A completely opaque coroutine handle. */
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struct coroutine;
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/* Coroutines are independent threads bound to pools.
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* You request a coroutine by calling coro_run().
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* It is forbidden to free a running coroutine from outside.
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* The running coroutine must free itself by rfree() before returning.
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*/
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struct coroutine *coro_run(pool *, void (*entry)(void *), void *data);
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/* Get self. */
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extern _Thread_local struct coroutine *this_coro;
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#endif
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