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Diffstat (limited to 'src/task.h')
-rw-r--r-- | src/task.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/src/task.h b/src/task.h new file mode 100644 index 0000000..4c00207 --- /dev/null +++ b/src/task.h @@ -0,0 +1,66 @@ +/* + Copyright (c) 2012-2015, Matthias Schiffer <mschiffer@universe-factory.net> + All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + 1. Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +/** + \file + + Task queue +*/ + +#pragma once + +#include "pqueue.h" + + +struct fastd_task { + fastd_pqueue_t entry; + fastd_task_type_t type; +}; + + +void fastd_task_handle(void); + +void fastd_task_reschedule(fastd_task_t *task, fastd_timeout_t timeout); + + +static inline bool fastd_task_scheduled(fastd_task_t *task) { + return fastd_pqueue_linked(&task->entry); +} + +static inline void fastd_task_unschedule(fastd_task_t *task) { + fastd_pqueue_remove(&task->entry); +} + +static inline void fastd_task_reschedule_relative(fastd_task_t *task, int64_t delay) { + fastd_task_reschedule(task, task->entry.value + delay); +} + +static inline void fastd_task_schedule(fastd_task_t *task, fastd_task_type_t type, fastd_timeout_t timeout) { + task->type = type; + fastd_task_reschedule(task, timeout); +} + + +bool fastd_task_timeout(fastd_timeout_t *timeout); |