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https://github.com/zephyrproject-rtos/zephyr
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103e84abcb
The revised option name more accurately describes its purpose, and avoids potential confusion with the microkernel's tickless idle capability. Also, inverting the "polarity" of the option means that conditional code that references it does not have to use negative logic, which make the code easier to comprehend. Change-Id: I0c6f82f077a87a28544048d214efa7020939e566 Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
57 lines
2.1 KiB
C
57 lines
2.1 KiB
C
/* microkernel/res.h - microkernel mutex header file */
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/*
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* Copyright (c) 1997-2015 Wind River Systems, Inc.
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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 are met:
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*
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* 1) Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2) Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* 3) Neither the name of Wind River Systems nor the names of its contributors
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* may be used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN 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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#ifndef MUTEX_H
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#define MUTEX_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern int _task_mutex_lock(kmutex_t, int32_t);
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extern void _task_mutex_unlock(kmutex_t);
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#define task_mutex_lock(m) _task_mutex_lock(m, TICKS_NONE)
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#define task_mutex_lock_wait(m) _task_mutex_lock(m, TICKS_UNLIMITED)
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#ifdef CONFIG_SYS_CLOCK_EXISTS
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#define task_mutex_lock_wait_timeout(m, t) _task_mutex_lock(m, t)
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#endif
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#define task_mutex_unlock(m) _task_mutex_unlock(m)
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#ifdef __cplusplus
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}
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#endif
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#endif /* MUTEX_H */
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