diff options
Diffstat (limited to 'contrib/ncurses/ncurses/tty/lib_twait.c')
| -rw-r--r-- | contrib/ncurses/ncurses/tty/lib_twait.c | 82 |
1 files changed, 49 insertions, 33 deletions
diff --git a/contrib/ncurses/ncurses/tty/lib_twait.c b/contrib/ncurses/ncurses/tty/lib_twait.c index 16d12ed..329ec29 100644 --- a/contrib/ncurses/ncurses/tty/lib_twait.c +++ b/contrib/ncurses/ncurses/tty/lib_twait.c @@ -1,5 +1,5 @@ /**************************************************************************** - * Copyright (c) 1998-2007,2008 Free Software Foundation, Inc. * + * Copyright (c) 1998-2009,2010 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 * @@ -65,10 +65,12 @@ # include <sys/select.h> # endif #endif - +#ifdef __MINGW32__ +# include <sys/time.h> +#endif #undef CUR -MODULE_ID("$Id: lib_twait.c,v 1.59 2008/08/30 20:08:19 tom Exp $") +MODULE_ID("$Id: lib_twait.c,v 1.61 2010/12/25 23:43:58 tom Exp $") static long _nc_gettime(TimeType * t0, bool first) @@ -124,15 +126,27 @@ _nc_eventlist_timeout(_nc_eventlist * evl) } #endif /* NCURSES_WGETCH_EVENTS */ +#if (USE_FUNC_POLL || HAVE_SELECT) +# define MAYBE_UNUSED +#else +# define MAYBE_UNUSED GCC_UNUSED +#endif + +#if (USE_FUNC_POLL || HAVE_SELECT) +# define MAYBE_UNUSED +#else +# define MAYBE_UNUSED GCC_UNUSED +#endif + /* * Wait a specified number of milliseconds, returning nonzero if the timer * didn't expire before there is activity on the specified file descriptors. * The file-descriptors are specified by the mode: - * 0 - none (absolute time) - * 1 - ncurses' normal input-descriptor - * 2 - mouse descriptor, if any - * 3 - either input or mouse. - * + * TW_NONE 0 - none (absolute time) + * TW_INPUT 1 - ncurses' normal input-descriptor + * TW_MOUSE 2 - mouse descriptor, if any + * TW_ANY 3 - either input or mouse. + * TW_EVENT 4 - * Experimental: if NCURSES_WGETCH_EVENTS is defined, (mode & 4) determines * whether to pay attention to evl argument. If set, the smallest of * millisecond and of timeout of evl is taken. @@ -143,16 +157,18 @@ _nc_eventlist_timeout(_nc_eventlist * evl) * descriptors. */ NCURSES_EXPORT(int) -_nc_timed_wait(SCREEN *sp, - int mode, +_nc_timed_wait(SCREEN *sp MAYBE_UNUSED, + int mode MAYBE_UNUSED, int milliseconds, int *timeleft EVENTLIST_2nd(_nc_eventlist * evl)) { - int fd; int count; - int result = 0; + int result = TW_NONE; TimeType t0; +#if (USE_FUNC_POLL || HAVE_SELECT) + int fd; +#endif #ifdef NCURSES_WGETCH_EVENTS int timeout_is_event = 0; @@ -174,7 +190,7 @@ _nc_timed_wait(SCREEN *sp, milliseconds, mode)); #ifdef NCURSES_WGETCH_EVENTS - if (mode & 4) { + if (mode & TW_EVENT) { int event_delay = _nc_eventlist_timeout(evl); if (event_delay >= 0 @@ -193,7 +209,7 @@ _nc_timed_wait(SCREEN *sp, count = 0; #ifdef NCURSES_WGETCH_EVENTS - if ((mode & 4) && evl) + if ((mode & TW_EVENT) && evl) evl->result_flags = 0; #endif @@ -201,23 +217,23 @@ _nc_timed_wait(SCREEN *sp, memset(fd_list, 0, sizeof(fd_list)); #ifdef NCURSES_WGETCH_EVENTS - if ((mode & 4) && evl) + if ((mode & TW_EVENT) && evl) fds = typeMalloc(struct pollfd, MIN_FDS + evl->count); #endif - if (mode & 1) { + if (mode & TW_INPUT) { fds[count].fd = sp->_ifd; fds[count].events = POLLIN; count++; } - if ((mode & 2) + if ((mode & TW_MOUSE) && (fd = sp->_mouse_fd) >= 0) { fds[count].fd = fd; fds[count].events = POLLIN; count++; } #ifdef NCURSES_WGETCH_EVENTS - if ((mode & 4) && evl) { + if ((mode & TW_EVENT) && evl) { for (n = 0; n < evl->count; ++n) { _nc_event *ev = evl->events[n]; @@ -234,7 +250,7 @@ _nc_timed_wait(SCREEN *sp, result = poll(fds, (unsigned) count, milliseconds); #ifdef NCURSES_WGETCH_EVENTS - if ((mode & 4) && evl) { + if ((mode & TW_EVENT) && evl) { int c; if (!result) @@ -276,8 +292,8 @@ _nc_timed_wait(SCREEN *sp, * * FIXME: this assumes mode&1 if milliseconds < 0 (see lib_getch.c). */ - result = 0; - if (mode & 1) { + result = TW_NONE; + if (mode & TW_INPUT) { int step = (milliseconds < 0) ? 0 : 5000; bigtime_t d; bigtime_t useconds = milliseconds * 1000; @@ -313,17 +329,17 @@ _nc_timed_wait(SCREEN *sp, */ FD_ZERO(&set); - if (mode & 1) { + if (mode & TW_INPUT) { FD_SET(sp->_ifd, &set); count = sp->_ifd + 1; } - if ((mode & 2) + if ((mode & TW_MOUSE) && (fd = sp->_mouse_fd) >= 0) { FD_SET(fd, &set); count = max(fd, count) + 1; } #ifdef NCURSES_WGETCH_EVENTS - if ((mode & 4) && evl) { + if ((mode & TW_EVENT) && evl) { for (n = 0; n < evl->count; ++n) { _nc_event *ev = evl->events[n]; @@ -346,7 +362,7 @@ _nc_timed_wait(SCREEN *sp, } #ifdef NCURSES_WGETCH_EVENTS - if ((mode & 4) && evl) { + if ((mode & TW_EVENT) && evl) { evl->result_flags = 0; for (n = 0; n < evl->count; ++n) { _nc_event *ev = evl->events[n]; @@ -370,7 +386,7 @@ _nc_timed_wait(SCREEN *sp, returntime = _nc_gettime(&t0, FALSE); if (milliseconds >= 0) - milliseconds -= (returntime - starttime); + milliseconds -= (int) (returntime - starttime); #ifdef NCURSES_WGETCH_EVENTS if (evl) { @@ -428,22 +444,22 @@ _nc_timed_wait(SCREEN *sp, } } #elif defined(__BEOS__) - result = 1; /* redundant, but simple */ + result = TW_INPUT; /* redundant, but simple */ #elif HAVE_SELECT - if ((mode & 2) + if ((mode & TW_MOUSE) && (fd = sp->_mouse_fd) >= 0 && FD_ISSET(fd, &set)) - result |= 2; - if ((mode & 1) + result |= TW_MOUSE; + if ((mode & TW_INPUT) && FD_ISSET(sp->_ifd, &set)) - result |= 1; + result |= TW_INPUT; #endif } else result = 0; } #ifdef NCURSES_WGETCH_EVENTS - if ((mode & 4) && evl && evl->result_flags) - result |= 4; + if ((mode & TW_EVENT) && evl && evl->result_flags) + result |= TW_EVENT; #endif return (result); |
