1 /**************************************************************************** 2 * Copyright (c) 2007,2008 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_window.c,v 1.3 2008/01/13 00:36:22 tom Exp $") 36 37 #ifdef USE_PTHREADS 38 NCURSES_EXPORT(void) 39 _nc_lock_window(WINDOW *win) 40 { 41 WINDOWLIST *p; 42 43 _nc_lock_global(windowlist); 44 for (p = _nc_windows; p != 0; p = p->next) { 45 if (&(p->win) == win) { 46 _nc_mutex_lock(&(p->mutex_use_window)); 47 break; 48 } 49 } 50 _nc_unlock_global(windowlist); 51 } 52 53 NCURSES_EXPORT(void) 54 _nc_unlock_window(WINDOW *win) 55 { 56 WINDOWLIST *p; 57 58 _nc_lock_global(windowlist); 59 for (p = _nc_windows; p != 0; p = p->next) { 60 if (&(p->win) == win) { 61 _nc_mutex_unlock(&(p->mutex_use_window)); 62 break; 63 } 64 } 65 _nc_unlock_global(windowlist); 66 } 67 #endif 68 69 NCURSES_EXPORT(int) 70 use_window(WINDOW *win, NCURSES_CALLBACK func, void *data) 71 { 72 int code = OK; 73 74 T((T_CALLED("use_window(%p,%p,%p)"), win, func, data)); 75 _nc_lock_window(win); 76 code = func(win, data); 77 _nc_unlock_window(win); 78 79 returnCode(code); 80 } 81