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#include <stdlib.h>
#include <hal_mutex.h>
#define PEND_TICK_MAX (0x7FFFFFFF - 1)
#define HAL_MUTEX_OK 0
hal_mutex_t hal_mutex_create(void)
{
return rt_mutex_create("hal_mutex", RT_IPC_FLAG_FIFO);
}
int hal_mutex_delete(hal_mutex_t mutex)
{
if (!mutex)
{
return -1;
}
return rt_mutex_delete(mutex);
}
int hal_mutex_lock(hal_mutex_t mutex)
{
if (!mutex)
{
return -1;
}
return rt_mutex_take(mutex, PEND_TICK_MAX);
}
int hal_mutex_unlock(hal_mutex_t mutex)
{
if (!mutex)
{
return -1;
}
return rt_mutex_release(mutex);
}
int hal_mutex_trylock(hal_mutex_t mutex)
{
if (!mutex)
{
return -1;
}
if (rt_mutex_take(mutex, 0) == 0)
{
return 0;
}
return -2;
}
int hal_mutex_timedwait(hal_mutex_t mutex, int ticks)
{
if (!mutex)
{
return -1;
}
return rt_mutex_take(mutex, ticks);
}
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