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lightningd/msg_queue: helper for queues of messages/

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Since they're short, we use a simple array.  This can be replaced later.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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Rusty Russell
2017-03-10 21:14:40 +10:30
parent 5277787db5
commit cd62b74b1c
3 changed files with 53 additions and 1 deletions
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21
lightningd/msg_queue.h Normal file
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/* Helper for simple message queues. */
#ifndef LIGHTNING_LIGHTNINGD_MSG_QUEUE_H
#define LIGHTNING_LIGHTNINGD_MSG_QUEUE_H
#include "config.h"
#include <ccan/io/io.h>
#include <ccan/short_types/short_types.h>
struct msg_queue {
const u8 **q;
};
void msg_queue_init(struct msg_queue *q, const tal_t *ctx);
void msg_enqueue(struct msg_queue *q, const u8 *add);
const u8 *msg_dequeue(struct msg_queue *q);
#define msg_queue_wait(conn, q, next, arg) \
io_out_wait((conn), (q), (next), (arg))
#endif /* LIGHTNING_LIGHTNINGD_MSG_QUEUE_H */