mirror of
https://gitee.com/mirrors_PX4/PX4-Autopilot.git
synced 2026-07-06 13:30:34 +08:00
Matthias Grob
70de169f15
Most of the incompatitbilities are luckily similar to the darwin build. - New target OS __PX4_CYGWIN added because in other build environments on Windows defines will very likely be completely different - added all necessary exeptions to the defines - disabled priorities completely because on Windows they are defined 1-32 and with all the arbitrary +40 -40 priority settings there were a lot of problems not only did some threads/"virtual tasks" not start because of out of bound priorities but also the resulting scheduling was totally random and inadequate with default priorities it ran toally fine during my first tests, should be rethought when windows is used onboard in the future
97 lines
3.1 KiB
C
97 lines
3.1 KiB
C
/****************************************************************************
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*
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* Copyright (c) 2016 PX4 Development Team. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name PX4 nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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/**
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* @file px4_sem.h
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*
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* Synchronization primitive: Semaphore
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*/
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#pragma once
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#include <semaphore.h>
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#if !defined(__PX4_NUTTX)
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/* Values for protocol attribute */
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#define SEM_PRIO_NONE 0
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#define SEM_PRIO_INHERIT 1
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#define SEM_PRIO_PROTECT 2
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#define sem_setprotocol(s,p)
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#endif
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#if defined(__PX4_DARWIN) || defined(__PX4_CYGWIN)
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__BEGIN_DECLS
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typedef struct {
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pthread_mutex_t lock;
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pthread_cond_t wait;
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int value;
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} px4_sem_t;
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__EXPORT int px4_sem_init(px4_sem_t *s, int pshared, unsigned value);
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__EXPORT int px4_sem_setprotocol(px4_sem_t *s, int protocol);
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__EXPORT int px4_sem_wait(px4_sem_t *s);
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__EXPORT int px4_sem_trywait(px4_sem_t *sem);
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__EXPORT int px4_sem_timedwait(px4_sem_t *sem, const struct timespec *abstime);
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__EXPORT int px4_sem_post(px4_sem_t *s);
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__EXPORT int px4_sem_getvalue(px4_sem_t *s, int *sval);
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__EXPORT int px4_sem_destroy(px4_sem_t *s);
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__END_DECLS
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#else
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__BEGIN_DECLS
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typedef sem_t px4_sem_t;
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#define px4_sem_init sem_init
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#define px4_sem_setprotocol sem_setprotocol
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#define px4_sem_wait sem_wait
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#define px4_sem_trywait sem_trywait
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#define px4_sem_post sem_post
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#define px4_sem_getvalue sem_getvalue
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#define px4_sem_destroy sem_destroy
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#ifdef __PX4_QURT
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__EXPORT int px4_sem_timedwait(px4_sem_t *sem, const struct timespec *abstime);
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#else
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#define px4_sem_timedwait sem_timedwait
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#endif
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__END_DECLS
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#endif
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