kill.c

kill 文件包含的内容和具体功能:查杀进程

#include "unistd.h"
#include "signal.h"
#include "sys/types.h"
#include "sys/wait.h"
main()
{pid_t pid;
int status;/*state of the child thread will be sended to status*/
if(!(pid =fork()))
  {printf("Hi I am a child process!\n");
   sleep(10);
   return;
   }
 else
   {
    printf("send signal to child process(%d)\n",pid);
    sleep(1);
    kill(pid,SIGABRT);
    wait(&status);
    if(WIFSIGNALED(status))
      printf("Child process receive signal %d\n",WTERMSIG(status));
    }
}