0806编写一个程序，为进程打印SIGINT和SIGTERM信号的掩码

/*

• 编写一个程序，为进程打印SIGINT和SIGTERM信号的掩码
  */

#include <stdio.h>
#include <signal.h>
#include <string.h>

void pr_mask(int signum)
{
sigset_t sigset;
if(sigprocmask(0,NULL,&sigset)<0)
{
printf("sigprocmask error");
exit(0);
}
if(sigismember(&sigset,SIGINT))
printf("SIGINT\n");
if(sigimember(&sigset,SIGETERM))
{
printf("SIGTERM\n");
exit(0);
}
}

int main(int argc, char *argv[])
{
char buffer1[100],buffer2[100];
int i;
if(signal(SIGINT,&pr_mask)==-1)
{
printf("Couldn't register signal hanlder for SIGINT!\n");
exit(1);
}
if(signal(SIGTERM,&pr_mask)==-1)
{
printf("Couldn't register signal hanlder for SIGTERM!\n");
exit(1);
}
printf("Pid of This Process:%d\n",getpid());
//printf("Please input:\n");
for(;;)
{
printf("please input:\n");
fgets(buffer1,sizeof(buffer1),stdin);
for(i=0;i<100;i++)
{
if(buffer1[i]>=97&&buffer1<=122)
buffer2[i]=buffer1[i]-32;
else
buffer2[i]=buffer1[i];
}
printf("Your input is: %s\n",buffer2);
}
exit(0);
}