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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:24:08 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:24:08 +0000 |
commit | f449f278dd3c70e479a035f50a9bb817a9b433ba (patch) | |
tree | 8ca2bfb785dda9bb4d573acdf9b42aea9cd51383 /src/knot/worker/queue.h | |
parent | Initial commit. (diff) | |
download | knot-f449f278dd3c70e479a035f50a9bb817a9b433ba.tar.xz knot-f449f278dd3c70e479a035f50a9bb817a9b433ba.zip |
Adding upstream version 3.2.6.upstream/3.2.6upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/knot/worker/queue.h')
-rw-r--r-- | src/knot/worker/queue.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/src/knot/worker/queue.h b/src/knot/worker/queue.h new file mode 100644 index 0000000..0ade7ab --- /dev/null +++ b/src/knot/worker/queue.h @@ -0,0 +1,65 @@ +/* Copyright (C) 2021 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz> + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <https://www.gnu.org/licenses/>. + */ + +#pragma once + +#include "contrib/ucw/lists.h" + +struct task; +typedef void (*task_cb)(struct task *); + +/*! + * \brief Task executable by a worker. + */ +typedef struct task { + void *ctx; + task_cb run; +} worker_task_t; + +/*! + * \brief Worker queue. + */ +typedef struct worker_queue { + knot_mm_t mm_ctx; + list_t list; +} worker_queue_t; + +/*! + * \brief Initialize worker queue. + */ +void worker_queue_init(worker_queue_t *queue); + +/*! + * \brief Deinitialize worker queue. + */ +void worker_queue_deinit(worker_queue_t *queue); + +/*! + * \brief Insert new item into the queue. + */ +void worker_queue_enqueue(worker_queue_t *queue, worker_task_t *task); + +/*! + * \brief Remove item from the queue. + * + * \return Task or NULL if the queue is empty. + */ +worker_task_t *worker_queue_dequeue(worker_queue_t *queue); + +/*! + * \brief Return number of tasks in worker queue. + */ +size_t worker_queue_length(worker_queue_t *queue); |