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/*
* Copyright (c) 2015-2019, Intel Corporation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of Intel Corporation nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* 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 OWNER 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.
*/
#ifndef PTUNIT_THREADS_H
#define PTUNIT_THREADS_H
#include "ptunit.h"
#if defined(FEATURE_THREADS)
# include <threads.h>
#endif /* defined(FEATURE_THREADS) */
/* The maximal number of threads. */
enum {
ptu_thrd_max = 16
};
/* A test fixture component providing threading support. */
struct ptunit_thrd_fixture {
#if defined(FEATURE_THREADS)
/* An array of threads created by ptunit_thrd_create(). */
thrd_t threads[ptu_thrd_max];
/* A lock protecting the outer fixture. We don't need it. */
mtx_t lock;
#endif /* defined(FEATURE_THREADS) */
/* The actual number of created threads. */
uint8_t nthreads;
/* The result of joined threads. */
int result[ptu_thrd_max];
};
static inline struct ptunit_result
ptunit_thrd_init(struct ptunit_thrd_fixture *tfix)
{
ptu_ptr(tfix);
memset(tfix, 0, sizeof(*tfix));
#if defined(FEATURE_THREADS)
{
int errcode;
errcode = mtx_init(&tfix->lock, mtx_plain);
ptu_int_eq(errcode, thrd_success);
}
#endif /* defined(FEATURE_THREADS) */
return ptu_passed();
}
static inline struct ptunit_result
ptunit_thrd_fini(struct ptunit_thrd_fixture *tfix)
{
ptu_ptr(tfix);
#if defined(FEATURE_THREADS)
{
int thrd, errcode[ptu_thrd_max];
for (thrd = 0; thrd < tfix->nthreads; ++thrd)
errcode[thrd] = thrd_join(&tfix->threads[thrd],
&tfix->result[thrd]);
mtx_destroy(&tfix->lock);
for (thrd = 0; thrd < tfix->nthreads; ++thrd)
ptu_int_eq(errcode[thrd], thrd_success);
}
#endif /* defined(FEATURE_THREADS) */
return ptu_passed();
}
#if defined(FEATURE_THREADS)
static inline struct ptunit_result
ptunit_thrd_create(struct ptunit_thrd_fixture *tfix, int (*worker)(void *),
void *arg)
{
int errcode;
ptu_ptr(tfix);
errcode = thrd_create(&tfix->threads[tfix->nthreads++], worker, arg);
ptu_int_eq(errcode, thrd_success);
return ptu_passed();
}
#endif /* defined(FEATURE_THREADS) */
static inline struct ptunit_result
ptunit_thrd_lock(struct ptunit_thrd_fixture *tfix)
{
ptu_ptr(tfix);
#if defined(FEATURE_THREADS)
{
int errcode;
errcode = mtx_lock(&tfix->lock);
ptu_int_eq(errcode, thrd_success);
}
#endif /* defined(FEATURE_THREADS) */
return ptu_passed();
}
static inline struct ptunit_result
ptunit_thrd_unlock(struct ptunit_thrd_fixture *tfix)
{
ptu_ptr(tfix);
#if defined(FEATURE_THREADS)
{
int errcode;
errcode = mtx_unlock(&tfix->lock);
ptu_int_eq(errcode, thrd_success);
}
#endif /* defined(FEATURE_THREADS) */
return ptu_passed();
}
#endif /* PTUNIT_THREADS_H */
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