( zamboriz | 2011. 08. 18., cs – 08:04 )

Valahogy így:


  sigset_t w;
  sigemptyset( &w );
  sigaddset( &w, SIGALRM );
  sigprocmask( SIG_BLOCK, &w, NULL );

  alarm( 5 );
  puts( "alarm(5)" );

  int s;
  if( !sigwait( &w, &s ) )
    printf( "signal: %s (%d)\n", strsignal(s), s );
  else
    printf( "error: %d\n", errno );