semaphore.cpp

来自「Jazmyn is a 32-bit, protected mode, mult」· C++ 代码 · 共 28 行

#include <sys\types.h>
#include <semaphore.h>

__semaphore::__semaphore(int cnt)
{
	__max_cnt = cnt;
}

__semaphore::~__semaphore()
{

}

void __semaphore::down()
{
	while(!__max_cnt);
	__max_cnt--;
}

void __semaphore::up()
{
	__max_cnt++;
}