Re: (Cygwin) postmaster shutdown problem

Jason,

> On Mon, Jan 15, 2001 at 11:42:13PM +0900, Yutaka tanida wrote:
> > > > Sorry , I have a mistake.
> > > I'm not sure that I understand your above comment.  Does it mean that your
> > > patch has a mistake in it?
> >
> > Oh, my mistake is that attached patch can'tfix this problem. It fixes
> > some problem on PostgreSQL , but can't fix it.
>
> Are you still attempting to fix this problem?  Please do not interpret
> this as a request.  I will understand if you do not want or have time to
> continue with this effort.  I just need to know whether or not I should
> start to debug myself.

Today, I'm working on this and finally create a patch against cygwin
1.1.7 . This patch fixes PostgreSQL's problem , but attatched C program
doesn't work correctly.


---
Yutaka tanida<yutaka@hi-net.zaq.ne.jp>


---- testsig.c


#include<signal.h>
#include<unistd.h>
#include<stdio.h>
#include<errno.h>



void recvsig(int);
static sigset_t unblock,block,old;

int main() {
    int pid=getpid();
    int pid2=-1;
    int i=0,k=0;
    char buffer[8];

    signal(SIGUSR1,recvsig);
    signal(SIGUSR2,recvsig);
    sigfillset(&block);
    sigemptyset(&unblock);
    sigprocmask(SIG_SETMASK,&block,&old);
    for(k=0;k<10;k++) {
        kill(pid,SIGUSR1);
    }
    sleep(2);
    for(i=0;i<10;i++) {
      sigprocmask(SIG_SETMASK,&unblock,&old);
      sleep(0);
            kill(pid,SIGUSR2); //comment this!
    }
}

void recvsig(int sig) {
    switch(sig) {

    case SIGUSR1:
      printf("SIGUSR1\n");
      break;
    case SIGUSR2:
      printf("SIGUSR2\n");
      break;
    default:
      printf("UNKNOWN\n");
      break;
    }
    usleep(100000);
}