void sigpipe_h(int){
        //DBG;
        piped++;
}
...
        struct sigaction sighup,sigpipe;
        sigpipe.sa_handler=sigpipe_h;
        sighup.sa_flags=SA_NODEFER;
        sigaction(SIGPIPE,&sigpipe,NULL);



Program received signal SIGPIPE, Broken pipe.
0xffffe410 in __kernel_vsyscall ()
(gdb) cont
Continuing.

Program received signal SIGSEGV, Segmentation fault.
0xb7d7428c in ?? () from /lib/tls/i686/cmov/libc.so.6
(gdb) bt
#0  0xb7d7428c in ?? () from /lib/tls/i686/cmov/libc.so.6
#1  0x0000000d in ?? ()
#2  0x00000033 in ?? ()
#3  0x00000000 in ?? ()
(gdb)

normal backtrace right after the sigpipe and when in signal handler