#include <stdio.h>

#include <stdlib.h>

#include <Windows.h>

char name[] = "haihualovefang";

void main()

{

    HANDLE hsem = CreateSemaphoreA(NULL, , , name);

    printf("创建成功");

    char ch = getch();

    //ReleaseMutex(mutex);//

    ReleaseSemaphore(hsem, , NULL);

    printf("触发信号量");

    CloseHandle(hsem);

}

#include <stdio.h>

#include <stdlib.h>

#include <Windows.h>

char name[] = "haihualovefang";

void main()

{

    HANDLE hsem = OpenSemaphoreA(SEMAPHORE_ALL_ACCESS, TRUE, name);;

    if (hsem == NULL)

    {

        printf("打开失败");

        system("pause");

        return;

    }

    printf("等待-------");

    DWORD res = WaitForSingleObject(hsem, );

    switch (res)

    {

    case WAIT_OBJECT_0:

        printf("收到信号-------");

        break;

    case WAIT_TIMEOUT:

        printf("超时没有收到-------");

        break;

    case WAIT_ABANDONED:

        printf("另外一个进程意外终止-------");

        break;

    default:

        break;

    }

    CloseHandle(hsem);

    system("pause");

}