예제 #1
0
파일: socket.c 프로젝트: miar/yaptab-linear
static foreign_t
pl_setopt(term_t Socket, term_t opt)
{ int socket;
  atom_t a;
  int arity;

  if ( !tcp_get_socket(Socket, &socket) )
    return FALSE;

  if ( PL_get_name_arity(opt, &a, &arity) )
  { if ( a == ATOM_reuseaddr && arity == 0 )
    { if ( nbio_setopt(socket, TCP_REUSEADDR, TRUE) == 0 )
	return TRUE;

      return FALSE;
    } else if ( a == ATOM_nodelay && arity <= 1 )
    { int enable, rc;

      if ( arity == 0 )
      { enable = TRUE;
      } else /*if ( arity == 1 )*/
      { term_t a = PL_new_term_ref();

	_PL_get_arg(1, opt, a);
	if ( !PL_get_bool(a, &enable) )
	  return pl_error(NULL, 0, NULL, ERR_DOMAIN, a, "boolean");
      }

      if ( (rc=nbio_setopt(socket, TCP_NO_DELAY, enable) == 0) )
	return TRUE;
      if ( rc == -2 )
	goto not_implemented;

      return FALSE;
    } else if ( a == ATOM_broadcast && arity == 0 )
    { if ( nbio_setopt(socket, UDP_BROADCAST, TRUE) == 0 )
	return TRUE;

      return FALSE;
    } else if ( a == ATOM_dispatch && arity == 1 )
    { int val;
      term_t a1 = PL_new_term_ref();

      if ( PL_get_arg(1, opt, a1) && PL_get_bool(a1, &val) )
      { if ( nbio_setopt(socket, TCP_DISPATCH, val) == 0 )
	  return TRUE;
	return FALSE;
      }
    } else if ( a == ATOM_nonblock && arity == 0 )
    { if ( nbio_setopt(socket, TCP_NONBLOCK) == 0 )
	return TRUE;
      return FALSE;
    }
  }

not_implemented:
  return pl_error(NULL, 0, NULL, ERR_DOMAIN, opt, "socket_option");
}
예제 #2
0
static int
parse_options(term_t options, p_options *info)
{ term_t tail = PL_copy_term_ref(options);
  term_t head = PL_new_term_ref();
  term_t arg = PL_new_term_ref();

  info->window = MAYBE;

  while(PL_get_list(tail, head, tail))
  { atom_t name;
    int arity;

    if ( !PL_get_name_arity(head, &name, &arity) || arity != 1 )
      return type_error(head, "option");
    _PL_get_arg(1, head, arg);

    if ( name == ATOM_stdin )
    { if ( !get_stream(arg, info, &info->streams[0]) )
	return FALSE;
    } else if ( name == ATOM_stdout )
    { if ( !get_stream(arg, info, &info->streams[1]) )
	return FALSE;
    } else if ( name == ATOM_stderr )
    { if ( !get_stream(arg, info, &info->streams[2]) )
	return FALSE;
    } else if ( name == ATOM_process )
    { info->pid = PL_copy_term_ref(arg);
    } else if ( name == ATOM_detached )
    { if ( !PL_get_bool(arg, &info->detached) )
	return type_error(arg, "boolean");
    } else if ( name == ATOM_cwd )
    {
#ifdef __WINDOWS__
      if ( !PL_get_wchars(arg, NULL, &info->cwd,
			 CVT_ATOM|CVT_STRING|CVT_EXCEPTION|BUF_MALLOC) )
	return FALSE;
#else
      if ( !PL_get_chars(arg, &info->cwd,
			 CVT_ATOM|CVT_STRING|CVT_EXCEPTION|BUF_MALLOC|REP_FN) )
	return FALSE;
#endif
    } else if ( name == ATOM_window )
    { if ( !PL_get_bool(arg, &info->window) )
	return type_error(arg, "boolean");
    } else if ( name == ATOM_env )
    { if ( !parse_environment(arg, info) )
	return FALSE;
    } else
      return domain_error(head, "process_option");
  }

  if ( !PL_get_nil(tail) )
    return type_error(tail, "list");

  return TRUE;
}
예제 #3
0
파일: time.c 프로젝트: lamby/pkg-swi-prolog
static int
pl_get_bool_ex(term_t arg, int *val)
{ if ( PL_get_bool(arg, val) )
    return TRUE;

  return pl_error(NULL, 0, NULL, ERR_ARGTYPE, 0, arg, "bool");
}
예제 #4
0
static int
get_bool_ex(term_t t, int *i)
{ if ( PL_get_bool(t, i) )
    return TRUE;

  return type_error(t, "boolean");
}
예제 #5
0
static foreign_t
process_wait(term_t pid, term_t code, term_t options)
{ pid_t p;
  wait_options opts;
  term_t tail = PL_copy_term_ref(options);
  term_t head = PL_new_term_ref();
  term_t arg  = PL_new_term_ref();

  if ( !get_pid(pid, &p) )
    return FALSE;

  memset(&opts, 0, sizeof(opts));
  while(PL_get_list(tail, head, tail))
  { atom_t name;
    int arity;

    if ( !PL_get_name_arity(head, &name, &arity) || arity != 1 )
      return type_error(head, "option");
    _PL_get_arg(1, head, arg);
    if ( name == ATOM_timeout )
    { atom_t a;

      if ( !(PL_get_atom(arg, &a) && a == ATOM_infinite) )
      { if ( !PL_get_float(arg, &opts.timeout) )
	  return type_error(arg, "timeout");
	opts.has_timeout = TRUE;
      }
    } else if ( name == ATOM_release )
    { if ( !PL_get_bool(arg, &opts.release) )
	return type_error(arg, "boolean");
      if ( opts.release == FALSE )
	return domain_error(arg, "true");
    } else
      return domain_error(head, "process_wait_option");
  }
  if ( !PL_get_nil(tail) )
    return type_error(tail, "list");

  return wait_for_pid(p, code, &opts);
}
예제 #6
0
word
pl_dde_register_service(term_t topic, term_t onoff)
{ HSZ t;
  int a;

  TRY(dde_initialise());

  if ( !get_hsz(topic, &t) )
    fail;
  if ( !PL_get_bool(onoff, &a) )
    return PL_error(NULL, 0, NULL, ERR_TYPE, ATOM_bool, onoff);

  if ( !a )
  { int rval = (int)DdeNameService(ddeInst, t, 0L, DNS_UNREGISTER);
    DdeFreeStringHandle(ddeInst, t);
    return rval ? TRUE : FALSE;
  } else
  { if ( DdeNameService(ddeInst, t, 0L, DNS_REGISTER|DNS_FILTERON) )
      succeed;				/* should we free too? */

    DdeFreeStringHandle(ddeInst, t);
    return dde_warning("register_request");
  }
}
예제 #7
0
파일: tipc.c 프로젝트: brayc0/nlfetdb
static foreign_t
pl_tipc_setopt(term_t Socket, term_t opt)
{ int socket;
  atom_t a;
  int arity;

  if ( !tipc_get_socket(Socket, &socket) )
    return FALSE;

  if ( PL_get_name_arity(opt, &a, &arity) )
  { if ( a == ATOM_importance && arity == 1 )
    { atom_t val;
      term_t a1 = PL_new_term_ref();
      int ival = TIPC_LOW_IMPORTANCE;

      if (PL_get_arg(1, opt, a1))
      { if(!PL_get_atom(a1, &val) )
	  return pl_error(NULL, 0, NULL, ERR_DOMAIN, a1, "atom");

	if(val == ATOM_low)
	  ival = TIPC_LOW_IMPORTANCE;
	else if(val == ATOM_medium)
	  ival = TIPC_MEDIUM_IMPORTANCE;
	else if(val == ATOM_high)
	  ival = TIPC_HIGH_IMPORTANCE;
	else if(val == ATOM_critical)
	  ival = TIPC_CRITICAL_IMPORTANCE;
	else
	  return pl_error(NULL, 0, NULL, ERR_DOMAIN, a1, "low, medium, high, or critical");

	return((tipc_setopt(socket, NB_TIPC_IMPORTANCE, ival) == 0) ? TRUE : FALSE);
      }
    }

    if ( ((a == ATOM_dest_droppable) ||
	  (a == ATOM_src_droppable)) && arity == 1 )
    { int val;
      term_t a1 = PL_new_term_ref();
      int option = (a == ATOM_dest_droppable) ? NB_TIPC_DEST_DROPPABLE
					      : NB_TIPC_SRC_DROPPABLE;

      if (PL_get_arg(1, opt, a1))
      { if(!PL_get_bool(a1, &val) )
	  return pl_error(NULL, 0, NULL, ERR_DOMAIN, a1, "boolean");

	return((tipc_setopt(socket, option, val) == 0) ? TRUE : FALSE);
      }
    }
    if ( a == ATOM_conn_timeout && arity == 1 )
    { double val;
      int ival;
      term_t a1 = PL_new_term_ref();

      if (PL_get_arg(1, opt, a1))
      { if(!PL_get_float(a1, &val) || val < 0)
	  return pl_error(NULL, 0, NULL, ERR_DOMAIN, a1, "float");

        ival = val * 1000;  // time is in milliseconds

	return((tipc_setopt(socket, NB_TIPC_CONN_TIMEOUT, ival) == 0) ? TRUE : FALSE);
      }
    }

    if ( a == ATOM_nodelay && arity <= 1 )
    { int enable, rc;

      if ( arity == 0 )
      { enable = TRUE;
      } else /*if ( arity == 1 )*/
      { term_t a = PL_new_term_ref();

	_PL_get_arg(1, opt, a);
	if ( !PL_get_bool(a, &enable) )
	  return pl_error(NULL, 0, NULL, ERR_DOMAIN, a, "boolean");
      }

      if ( (rc=nbio_setopt(socket, TCP_NO_DELAY, enable) == 0) )
	return TRUE;
      if ( rc == -2 )
  	return pl_error(NULL, 0, NULL, ERR_DOMAIN, opt, "socket_option");

    }

    if ( a == ATOM_nonblock && arity == 0 )
      return((nbio_setopt(socket, TCP_NONBLOCK) == 0) ? TRUE : FALSE );

    if ( a == ATOM_dispatch && arity == 1 )
    { int val;
      term_t a1 = PL_new_term_ref();

      if ( PL_get_arg(1, opt, a1) && PL_get_bool(a1, &val) )
      { if ( nbio_setopt(socket, TCP_DISPATCH, val) == 0 )
	  return TRUE;
	return FALSE;
      }
    } 
  }

  return pl_error(NULL, 0, NULL, ERR_DOMAIN, opt, "socket_option");
}