hop-2012/server/thirdparty/lwt-2.3.2/src/text/lwt_text_stubs.c

85 lines
2.2 KiB
C

/* Lightweight thread library for Objective Caml
* http://www.ocsigen.org/lwt
* Module Lwt_text_stubs
* Copyright (C) 2011 Jérémie Dimino
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation, with linking exceptions;
* either version 2.1 of the License, or (at your option) any later
* version. See COPYING file for details.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*/
#if defined(_WIN32) || defined(_WIN64)
# include <windows.h>
# include <wincon.h>
#else
# include <sys/ioctl.h>
# include <termios.h>
# include <errno.h>
# include <signal.h>
#endif
#include "../unix/lwt_unix.h"
#include <caml/alloc.h>
#include <caml/fail.h>
/* +-----------------------------------------------------------------+
| Terminal sizes |
+-----------------------------------------------------------------+ */
#if defined(LWT_ON_WINDOWS)
CAMLprim value lwt_text_term_size(value fd)
{
HANDLE handle;
CONSOLE_SCREEN_BUFFER_INFO info;
if (!GetConsoleScreenBufferInfo(Handle_val(fd), &info)) {
win32_maperr(GetLastError());
uerror("GetConsoleScreenBufferInfo", Nothing);
}
value result = caml_alloc_tuple(2);
Field(result, 0) = Val_int(info.dwSize.X);
Field(result, 1) = Val_int(info.dwSize.Y);
return result;
}
#else
CAMLprim value lwt_text_term_size(value fd)
{
struct winsize size;
if (ioctl(Int_val(fd), TIOCGWINSZ, &size) < 0)
uerror("ioctl", Nothing);
value result = caml_alloc_tuple(2);
Field(result, 0) = Val_int(size.ws_row);
Field(result, 1) = Val_int(size.ws_col);
return result;
}
CAMLprim value lwt_text_sigwinch()
{
#ifdef SIGWINCH
return Val_int(SIGWINCH);
#else
return Val_int(0);
#endif
}
#endif