clear.c

linux下面的文件锁和信号量的程序

#include "key.h"

int main(){
	int shmid;
	key_t key;

	key=ftok("~/tmp",1);

	if((shmid=shmget(key,sizeof(COMM_TABLE),0))==-1){
		printf("shmget error\n");
		exit(1);
	}
		iii
	printf("share memory struct id is %d\n",shmid);
	shmctl(shmid,IPC_RMID,NULL);
	exit(0);
}