From owner-freebsd-hackers  Tue Nov 23 14:40:35 1999
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Message-ID: <383B1755.F432A049@mtelecom.ru>
Date: Wed, 24 Nov 1999 01:38:13 +0300
From: Seva "Semenov" <seva@mtelecom.ru>
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To: freebsd-hackers@FreeBSD.ORG
Subject: fcntl(0,F_SETFL,O_ASYNC) & signal(SIGIO,rkbd);  don't work in 3.X !!!!
References: <383222DF.164E86DB@mtelecom.ru>
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Why my little proggy can't get SIGIO in FreeBSD 3.3-RELEASE, 
when i type my keyboard?

In 2.2.6-RELEASE it works right.


#include <stdio.h>
#include <fcntl.h>
#include <string.h>
#include <sys/types.h>
#include <unistd.h>
#include <err.h>
#include <signal.h>
#include <syslog.h>
#include <errno.h>
#include <err.h>

void
rkbd(int sig)
{
      int i,j;
      u_char b[1024],*c;
      
      syslog(LOG_DEBUG,"***** ");

      i=read(0,b,1024);
      if(i<0)
           syslog(LOG_DEBUG,"read failed due to %s",strerror(errno));
      
      else
           if(!i)
                syslog(LOG_DEBUG,"read null bites");
           else{
                b[i]='\0';
                puts("\n******");
                fputs(b,stdout);
                puts("******\n");
                fflush(stdout);
           }
}

int
main(int argc,char **argv)
{
        if(fcntl(0,F_SETFL,O_ASYNC)==-1)
            err(errno,NULL);
        signal(SIGIO,rkbd);
        for(;;){
                sleep(10);
        }
}
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