FastCGI and SIGPIPE

Hi,

I am experiencing some problems with users aborting a request. When a 
user closes the broswer, then my fast-cgi application never sees a 
SIGPIPE.  I wrote the small program below for testing but untill now I 
have never seen a SIGPIPE.

Sombody?

Andrej


#include <stdlib.h>
#include <time.h>
#include <sys/wait.h>
#include <syslog.h>
#include <sys/time.h>
#include "fcgiapp.h"

#define SIGNAL(sig, x)              \
     do {                              \
               struct sigaction sa;            \
               sa.sa_sigaction = x;            \
               sa.sa_flags = SA_SIGINFO;       \
               sigfillset(&sa.sa_mask);        \
               sigaction(sig, &sa, NULL);      \
             } while (0)

bool signal_raised = false;

static void handle_sigs(int sig, siginfo_t * si, void * context)
{
   switch(sig)
   {
       case SIGUSR1:
       case SIGTERM:
       case SIGPIPE:
       case SIGALRM:
           signal_raised = true;
           break;
       default:
           break;
   }
}

int main(void)
{
   int i,scale;
   char* pathInfo;
   FCGX_Stream *in, *out, *err;
   FCGX_ParamArray envp;

   SIGNAL(SIGPIPE, handle_sigs);
   SIGNAL(SIGUSR1, handle_sigs);
   SIGNAL(SIGTERM, handle_sigs);
   SIGNAL(SIGALRM, handle_sigs);

   while (!signal_raised && FCGX_Accept(&in, &out, &err, &envp) >= 0)
   {
       FCGX_FPrintF(out,"Content-type: text/html\r\n\r\n");           
       FCGX_FPrintF(out,"<h2>Going into while...</h2>");
       FCGX_FFlush(out);

       while (!signal_raised)
       {
           struct timeval begin;
           gettimeofday(&begin, NULL);

           int delta = 0;

           while (delta < 10)
           {
               struct timeval end;
               gettimeofday(&end, NULL);
               delta = end.tv_sec - begin.tv_sec;
           }

            // keep connection alive by sending spaces
           FCGX_FPrintF(out," ");
           FCGX_FFlush(out);
       }

       syslog(LOG_ERR, "SIGNAL RAISED!");
   }

   return 0;
}

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