1 /**************************************************************************** 2 * Copyright (c) 2007-2008,2009 Free Software Foundation, Inc. * 3 * * 4 * Permission is hereby granted, free of charge, to any person obtaining a * 5 * copy of this software and associated documentation files (the * 6 * "Software"), to deal in the Software without restriction, including * 7 * without limitation the rights to use, copy, modify, merge, publish, * 8 * distribute, distribute with modifications, sublicense, and/or sell * 9 * copies of the Software, and to permit persons to whom the Software is * 10 * furnished to do so, subject to the following conditions: * 11 * * 12 * The above copyright notice and this permission notice shall be included * 13 * in all copies or substantial portions of the Software. * 14 * * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 16 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 18 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 21 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 22 * * 23 * Except as contained in this notice, the name(s) of the above copyright * 24 * holders shall not be used in advertising or otherwise to promote the * 25 * sale, use or other dealings in this Software without prior written * 26 * authorization. * 27 ****************************************************************************/ 28 29 /**************************************************************************** 30 * Author: Thomas E. Dickey 2007 * 31 ****************************************************************************/ 32 33 #include <curses.priv.h> 34 35 MODULE_ID("$Id: use_screen.c,v 1.8 2009/10/24 22:40:20 tom Exp $") 36 37 NCURSES_EXPORT(int) 38 use_screen(SCREEN *screen, NCURSES_SCREEN_CB func, void *data) 39 { 40 SCREEN *save_SP; 41 int code = OK; 42 43 T((T_CALLED("use_screen(%p,%p,%p)"), (void *) screen, func, (void *) data)); 44 45 /* 46 * FIXME - add a flag so a given thread can check if _it_ has already 47 * recurred through this point, return an error if so. 48 */ 49 _nc_lock_global(curses); 50 save_SP = CURRENT_SCREEN; 51 set_term(screen); 52 53 code = func(screen, data); 54 55 set_term(save_SP); 56 _nc_unlock_global(curses); 57 returnCode(code); 58 } 59