rt-thread/components/libc/compilers/picolibc/syscall.c

61 lines
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C

/*
* Copyright (c) 2006-2023, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2023-05-17 Flybreak the first version
*/
#include <rtthread.h>
#include <sys/types.h>
/* global errno */
static volatile int __pico_errno;
int *pico_get_errno(void)
{
rt_thread_t tid = RT_NULL;
if (rt_interrupt_get_nest() != 0)
{
/* it's in interrupt context */
return &__pico_errno;
}
tid = rt_thread_self();
if (tid == RT_NULL)
{
return &__pico_errno;
}
return &tid->error;
}
#ifdef RT_USING_HEAP
void *malloc(size_t n)
{
return rt_malloc(n);
}
RTM_EXPORT(malloc);
void *realloc(void *rmem, size_t newsize)
{
return rt_realloc(rmem, newsize);
}
RTM_EXPORT(realloc);
void *calloc(size_t nelem, size_t elsize)
{
return rt_calloc(nelem, elsize);
}
RTM_EXPORT(calloc);
void free(void *rmem)
{
rt_free(rmem);
}
RTM_EXPORT(free);
#endif /* RT_USING_HEAP */