457caf92a3
Enhances the existing microkernel mutex test project to verify
that recursive mutex locking works properly. The implementation
utilizes the new in-file defined mutexes to demonstrate that
this capability also works.
[DL: Update the original patch from Allan Stephens
@ https://oic-review.01.org/gerrit/3256 to utilize
the new interface. Also updated the commit message. ]
Change-Id: Iaf8b4a5cd97d1dce53d6134a978cc565279d038c
Signed-off-by: Daniel Leung <daniel.leung@intel.com>
Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
78 lines
2.6 KiB
C
78 lines
2.6 KiB
C
/* task50.c - helper file for testing microkernel mutex APIs */
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/*
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* Copyright (c) 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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/*
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DESCRIPTION
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This module defines a task that is used in recursive mutex locking tests.
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It helps ensure that a private mutex can be referenced in a file other than
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the one it was defined in.
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*/
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#include <tc_util.h>
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#include <zephyr.h>
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#define ONE_SECOND (sys_clock_ticks_per_sec)
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#define HALF_SECOND (sys_clock_ticks_per_sec / 2)
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#define THIRD_SECOND (sys_clock_ticks_per_sec / 3)
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#define FOURTH_SECOND (sys_clock_ticks_per_sec / 4)
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static int tcRC = TC_PASS; /* test case return code */
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extern const kmutex_t private_mutex;
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/**
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*
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* Task50 - task that participates in recursive locking tests
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*
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* @return N/A
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*/
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void Task50(void)
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{
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int rv;
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/* Wait for private mutex to be released */
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rv = task_mutex_lock_wait(private_mutex);
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if (rv != RC_OK) {
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tcRC = TC_FAIL;
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TC_ERROR("Failed to obtain private mutex\n");
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return;
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}
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/* Wait a bit, then release the mutex */
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task_sleep(HALF_SECOND);
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task_mutex_unlock(private_mutex);
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} /* Task50 */
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