rt-thread-official/components/cplusplus/Semaphore.cpp

31 lines
492 B
C++

#include "Semaphore.h"
using namespace rtthread;
Semaphore::Semaphore(const char *name, int32_t count)
{
rt_sem_init(&mID, name, count, RT_IPC_FLAG_FIFO);
}
bool Semaphore::wait(int32_t millisec)
{
rt_int32_t tick;
if (millisec < 0)
tick = -1;
else
tick = rt_tick_from_millisecond(millisec);
return rt_sem_take(&mID, tick) == RT_EOK;
}
void Semaphore::release(void)
{
rt_sem_release(&mID);
}
Semaphore::~Semaphore()
{
rt_sem_detach(&mID);
}