rt-thread-official/components/libc/cplusplus/cpp11/armclang/thread.cpp

121 lines
2.7 KiB
C++

/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2021-04-27 flybreak the first version.
*/
#include <arm-tpl.h>
#include "tpl.h"
#include <cstdio>
#include <pthread.h>
#define CPP11_DEFAULT_ID_OFFSET 1
extern "C" int __ARM_TPL_thread_create(__ARM_TPL_thread_t *__t,
void *(*__func)(void *),
void *__arg)
{
int ret = 0;
pthread_t pid;
ret = pthread_create(&pid, RT_NULL, __func, __arg);
if (ret == 0)
{
__t->data = (std::uintptr_t)pid + CPP11_DEFAULT_ID_OFFSET;
return 0;
}
return -1;
}
extern "C" int __ARM_TPL_thread_id_compare(__ARM_TPL_thread_id __tid1,
__ARM_TPL_thread_id __tid2)
{
if (__tid1 > __tid2)
return 1;
else if (__tid1 < __tid2)
return -1;
else
return 0;
}
extern "C" __ARM_TPL_thread_id __ARM_TPL_thread_get_current_id()
{
return (__ARM_TPL_thread_id)pthread_self();
}
extern "C" __ARM_TPL_thread_id __ARM_TPL_thread_get_id(
const __ARM_TPL_thread_t *__t)
{
return (__ARM_TPL_thread_id)(((pthread_t)__t->data - CPP11_DEFAULT_ID_OFFSET));
}
extern "C" int __ARM_TPL_thread_join(__ARM_TPL_thread_t *__t)
{
pthread_join(((pthread_t)__t->data - CPP11_DEFAULT_ID_OFFSET), RT_NULL);
return 0;
}
extern "C" int __ARM_TPL_thread_detach(__ARM_TPL_thread_t *__t)
{
pthread_detach(((pthread_t)__t->data - CPP11_DEFAULT_ID_OFFSET));
return 0;
}
extern "C" void __ARM_TPL_thread_yield()
{
rt_thread_yield();
}
extern "C" int __ARM_TPL_thread_nanosleep(const __ARM_TPL_timespec_t *__req,
__ARM_TPL_timespec_t *__rem)
{
rt_tick_t tick;
tick = __req->tv_sec * RT_TICK_PER_SECOND + (__req->tv_nsec * RT_TICK_PER_SECOND)/ 1000000000;
rt_thread_delay(tick);
if (__rem)
{
tick = rt_tick_get() - tick;
/* get the passed time */
__rem->tv_sec = tick/RT_TICK_PER_SECOND;
__rem->tv_nsec = (tick%RT_TICK_PER_SECOND) * (1000000000/RT_TICK_PER_SECOND);
}
return 0;
}
extern "C" unsigned __ARM_TPL_thread_hw_concurrency()
{
return 1;
}
extern "C" int __ARM_TPL_tls_create(__ARM_TPL_tls_key *__key,
void (*__at_exit)(void *))
{
pthread_key_t key;
if (pthread_key_create(&key, __at_exit) == 0)
{
*__key = key;
return 0;
}
return -1;
}
extern "C" void *__ARM_TPL_tls_get(__ARM_TPL_tls_key __key)
{
return pthread_getspecific(__key);
}
extern "C" int __ARM_TPL_tls_set(__ARM_TPL_tls_key __key, void *__p)
{
if (pthread_setspecific(__key, (void*)__p) != 0)
{
return -1;
}
return 0;
}