diff options
Diffstat (limited to 'contrib/ncurses/ncurses/base/use_window.c')
-rw-r--r-- | contrib/ncurses/ncurses/base/use_window.c | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/contrib/ncurses/ncurses/base/use_window.c b/contrib/ncurses/ncurses/base/use_window.c new file mode 100644 index 000000000000..8792cb47c37e --- /dev/null +++ b/contrib/ncurses/ncurses/base/use_window.c @@ -0,0 +1,80 @@ +/**************************************************************************** + * Copyright (c) 2007 Free Software Foundation, Inc. * + * * + * Permission is hereby granted, free of charge, to any person obtaining a * + * copy of this software and associated documentation files (the * + * "Software"), to deal in the Software without restriction, including * + * without limitation the rights to use, copy, modify, merge, publish, * + * distribute, distribute with modifications, sublicense, and/or sell * + * copies of the Software, and to permit persons to whom the Software is * + * furnished to do so, subject to the following conditions: * + * * + * The above copyright notice and this permission notice shall be included * + * in all copies or substantial portions of the Software. * + * * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * + * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * + * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * + * * + * Except as contained in this notice, the name(s) of the above copyright * + * holders shall not be used in advertising or otherwise to promote the * + * sale, use or other dealings in this Software without prior written * + * authorization. * + ****************************************************************************/ + +/**************************************************************************** + * Author: Thomas E. Dickey 2007 * + ****************************************************************************/ + +#include <curses.priv.h> + +MODULE_ID("$Id: use_window.c,v 1.2 2007/10/20 19:57:55 tom Exp $") + +#ifdef USE_PTHREADS +NCURSES_EXPORT(void) +_nc_lock_window(WINDOW *win) +{ + WINDOWLIST *p; + + _nc_lock_global(windowlist); + for (p = _nc_windows; p != 0; p = p->next) { + if (&(p->win) == win) { + pthread_mutex_lock(&(p->mutex_use_window)); + break; + } + } + _nc_unlock_global(windowlist); +} + +NCURSES_EXPORT(void) +_nc_unlock_window(WINDOW *win) +{ + WINDOWLIST *p; + + _nc_lock_global(windowlist); + for (p = _nc_windows; p != 0; p = p->next) { + if (&(p->win) == win) { + pthread_mutex_unlock(&(p->mutex_use_window)); + break; + } + } + _nc_unlock_global(windowlist); +} +#endif + +NCURSES_EXPORT(int) +use_window(WINDOW *win, NCURSES_CALLBACK func, void *data) +{ + int code = OK; + + T((T_CALLED("use_window(%p,%p,%p)"), win, func, data)); + _nc_lock_window(win); + code = func(win, data); + _nc_unlock_window(win); + + returnCode(code); +} |