Gecko [ sachasauda.akalacademy.ac.in ]

Name	Size	Permission
package	[ DIR ]	drwxr-xr-x
Makefile.in	4.92 KB	-rw-r--r--
README	35.89 KB	-rw-r--r--
aclocal.m4	108.83 KB	-rw-r--r--
background.c	6.84 KB	-rw-r--r--
blue.c	12.4 KB	-rw-r--r--
bs.6	3.91 KB	-rw-r--r--
bs.c	29.95 KB	-rw-r--r--
bulgarian-utf8.txt	340 B	-rw-r--r--
cardfile.c	13.26 KB	-rw-r--r--
cardfile.dat	394 B	-rw-r--r--
chgat.c	9.03 KB	-rw-r--r--
clip_printw.c	9.1 KB	-rw-r--r--
color_name.h	3.32 KB	-rw-r--r--
color_set.c	3.25 KB	-rw-r--r--
configure	449.42 KB	-rw-r--r--
configure.in	9.57 KB	-rw-r--r--
demo_altkeys.c	4.77 KB	-rw-r--r--
demo_defkey.c	7.4 KB	-rw-r--r--
demo_forms.c	13.01 KB	-rw-r--r--
demo_keyok.c	3.24 KB	-rw-r--r--
demo_menus.c	18.74 KB	-rw-r--r--
demo_panels.c	16.89 KB	-rw-r--r--
demo_termcap.c	10.09 KB	-rw-r--r--
demo_terminfo.c	10.05 KB	-rw-r--r--
ditto.c	11.04 KB	-rw-r--r--
dots.c	4.52 KB	-rw-r--r--
dots_mvcur.c	4.66 KB	-rw-r--r--
echochar.c	4.35 KB	-rw-r--r--
edit_field.c	11.21 KB	-rw-r--r--
edit_field.h	2.57 KB	-rw-r--r--
filter.c	4.97 KB	-rw-r--r--
firework.c	5.53 KB	-rw-r--r--
firstlast.c	3.72 KB	-rw-r--r--
foldkeys.c	7.44 KB	-rw-r--r--
gdc.6	3.03 KB	-rw-r--r--
gdc.c	8.74 KB	-rw-r--r--
hanoi.c	8.58 KB	-rw-r--r--
hashtest.c	6.58 KB	-rw-r--r--
inch_wide.c	7.21 KB	-rw-r--r--
inchs.c	7.15 KB	-rw-r--r--
ins_wide.c	12.25 KB	-rw-r--r--
insdelln.c	9.16 KB	-rw-r--r--
inserts.c	10.62 KB	-rw-r--r--
install-sh	6.96 KB	-rw-r--r--
key_names.c	3.22 KB	-rw-r--r--
keynames.c	3.07 KB	-rw-r--r--
knight.c	18.54 KB	-rw-r--r--
linedata.h	3.16 KB	-rw-r--r--
linux-color.dat	2.56 KB	-rw-r--r--
listused.sh	5.46 KB	-rw-r--r--
lrtest.c	5.24 KB	-rw-r--r--
make-tar.sh	4.8 KB	-rw-r--r--
mk-test.awk	4.42 KB	-rw-r--r--
modules	5.07 KB	-rw-r--r--
movewindow.c	16.44 KB	-rw-r--r--
ncurses.c	154.98 KB	-rw-r--r--
ncurses_tst.hin	2.88 KB	-rw-r--r--
newdemo.c	7.38 KB	-rw-r--r--
programs	5.28 KB	-rw-r--r--
railroad.c	5.66 KB	-rw-r--r--
rain.c	8.44 KB	-rw-r--r--
redraw.c	4.66 KB	-rw-r--r--
savescreen.c	7.49 KB	-rw-r--r--
savescreen.sh	2.66 KB	-rw-r--r--
tclock.c	5.26 KB	-rw-r--r--
test.priv.h	19.55 KB	-rw-r--r--
test_add_wchstr.c	14.08 KB	-rw-r--r--
test_addchstr.c	12.14 KB	-rw-r--r--
test_addstr.c	10.3 KB	-rw-r--r--
test_addwstr.c	12.37 KB	-rw-r--r--
test_arrays.c	3.83 KB	-rw-r--r--
test_get_wstr.c	8.94 KB	-rw-r--r--
test_getstr.c	8.88 KB	-rw-r--r--
test_instr.c	6.49 KB	-rw-r--r--
test_inwstr.c	6.69 KB	-rw-r--r--
test_opaque.c	10.42 KB	-rw-r--r--
test_vid_puts.c	3.97 KB	-rw-r--r--
test_vidputs.c	3.92 KB	-rw-r--r--
testaddch.c	3.46 KB	-rw-r--r--
testcurs.c	16.69 KB	-rw-r--r--
testscanw.c	2.88 KB	-rw-r--r--
tracemunch	5.01 KB	-rw-r--r--
view.c	13.84 KB	-rw-r--r--
widechars-utf8.txt	389 B	-rw-r--r--
widechars.h	3.19 KB	-rw-r--r--
worm.c	14.01 KB	-rw-r--r--
xmas.c	33.47 KB	-rw-r--r--
xterm-16color.dat	2.99 KB	-rw-r--r--
xterm-256color.dat	6.88 KB	-rw-r--r--
xterm-88color.dat	4.11 KB	-rw-r--r--

Code Editor : rain.c

/****************************************************************************
 * Copyright (c) 1998-2011,2012 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.                                                           *
 ****************************************************************************/
/*
 * $Id: rain.c,v 1.40 2012/01/21 23:54:47 tom Exp $
 */
#include <test.priv.h>

/* rain 11/3/1980 EPS/CITHEP */

#ifdef USE_PTHREADS
#include <pthread.h>
#endif

WANT_USE_WINDOW();

#define MAX_THREADS	10
#define MAX_DROP	5

struct DATA;

typedef void (*DrawPart) (struct DATA *);

typedef struct DATA {
    int y, x;
#ifdef USE_PTHREADS
    DrawPart func;
    int state;
#endif
} DATA;

#ifdef USE_PTHREADS
pthread_cond_t cond_next_drop;
pthread_mutex_t mutex_next_drop;
static int used_threads;

typedef struct {
    pthread_t myself;
    long counter;
} STATS;

static STATS drop_threads[MAX_THREADS];
#endif

static void
onsig(int n GCC_UNUSED)
{
    curs_set(1);
    endwin();
    ExitProgram(EXIT_FAILURE);
}

static double
ranf(void)
{
    long r = (rand() & 077777);
    return ((double) r / 32768.);
}

static int
random_x(void)
{
    return (int) (((double) (COLS - 4) * ranf()) + 2);
}

static int
random_y(void)
{
    return (int) (((double) (LINES - 4) * ranf()) + 2);
}

static int
next_j(int j)
{
    if (j == 0)
	j = MAX_DROP - 1;
    else
	--j;
    if (has_colors()) {
	int z = (int) (3 * ranf());
	chtype color = (chtype) COLOR_PAIR(z);
	if (z)
	    color |= A_BOLD;
	(void) attrset(color);
    }
    return j;
}

static void
part1(DATA * drop)
{
    MvAddCh(drop->y, drop->x, '.');
}

static void
part2(DATA * drop)
{
    MvAddCh(drop->y, drop->x, 'o');
}

static void
part3(DATA * drop)
{
    MvAddCh(drop->y, drop->x, 'O');
}

static void
part4(DATA * drop)
{
    MvAddCh(drop->y - 1, drop->x, '-');
    MvAddStr(drop->y, drop->x - 1, "|.|");
    MvAddCh(drop->y + 1, drop->x, '-');
}

static void
part5(DATA * drop)
{
    MvAddCh(drop->y - 2, drop->x, '-');
    MvAddStr(drop->y - 1, drop->x - 1, "/ \\");
    MvAddStr(drop->y, drop->x - 2, "| O |");
    MvAddStr(drop->y + 1, drop->x - 1, "\\ /");
    MvAddCh(drop->y + 2, drop->x, '-');
}

static void
part6(DATA * drop)
{
    MvAddCh(drop->y - 2, drop->x, ' ');
    MvAddStr(drop->y - 1, drop->x - 1, "   ");
    MvAddStr(drop->y, drop->x - 2, "     ");
    MvAddStr(drop->y + 1, drop->x - 1, "   ");
    MvAddCh(drop->y + 2, drop->x, ' ');
}

#ifdef USE_PTHREADS
static void
napsome(void)
{
    napms(60);
}

/*
 * This runs inside the use_window() mutex.
 */
static int
really_draw(WINDOW *win, void *arg)
{
    DATA *data = (DATA *) arg;

(void) win;
    next_j(data->state);
    data->func(data);
    refresh();
    return OK;
}

static void
draw_part(void (*func) (DATA *), int state, DATA * data)
{
    data->func = func;
    data->state = state;
    use_window(stdscr, really_draw, (void *) data);
    napsome();
}

/*
 * Tell the threads that one of them can start work on a new raindrop.
 * They may all be busy if we're sending requests too rapidly.
 */
static int
put_next_drop(void)
{
    pthread_cond_signal(&cond_next_drop);
    pthread_mutex_unlock(&mutex_next_drop);

return 0;
}

/*
 * Wait until we're assigned the task of drawing a new raindrop.
 */
static int
get_next_drop(void)
{
    pthread_mutex_lock(&mutex_next_drop);
    pthread_cond_wait(&cond_next_drop, &mutex_next_drop);

return TRUE;
}

static void *
draw_drop(void *arg)
{
    DATA mydata;
    int mystats;

/*
     * Find myself in the list of threads so we can count the number of loops.
     */
    for (mystats = 0; mystats < MAX_THREADS; ++mystats) {
#if defined(__MINGW32__) && !defined(__WINPTHREADS_VERSION)
	if (drop_threads[mystats].myself.p == pthread_self().p)
#else
	if (drop_threads[mystats].myself == pthread_self())
#endif
	    break;
    }

do {
	if (mystats < MAX_THREADS)
	    drop_threads[mystats].counter++;

/*
	 * Make a copy of caller's data.  We're cheating for the cases after
	 * the first loop since we still have a pointer into the main thread
	 * to the data which it uses for setting up this thread (but it has
	 * been modified to use different coordinates).
	 */
	mydata = *(DATA *) arg;

draw_part(part1, 0, &mydata);
	draw_part(part2, 1, &mydata);
	draw_part(part3, 2, &mydata);
	draw_part(part4, 3, &mydata);
	draw_part(part5, 4, &mydata);
	draw_part(part6, 0, &mydata);
    } while (get_next_drop());

return NULL;
}

/*
 * The description of pthread_create() is misleading, since it implies that
 * threads will exit cleanly after their function returns.
 *
 * Since they do not (and the number of threads is limited by system
 * resources), make a limited number of threads, and signal any that are
 * waiting when we want a thread past that limit.
 */
static int
start_drop(DATA * data)
{
    int rc;

if (!used_threads) {
	/* mutex and condition for signalling thread */
	pthread_mutex_init(&mutex_next_drop, NULL);
	pthread_cond_init(&cond_next_drop, NULL);
    }

if (used_threads < MAX_THREADS) {
	rc = pthread_create(&(drop_threads[used_threads].myself),
			    NULL,
			    draw_drop,
			    data);
	++used_threads;
    } else {
	rc = put_next_drop();
    }
    return rc;
}
#endif

static int
get_input(void)
{
    return USING_WINDOW(stdscr, wgetch);
}

int
main(int argc GCC_UNUSED,
     char *argv[]GCC_UNUSED)
{
    bool done = FALSE;
    DATA drop;
#ifndef USE_PTHREADS
    DATA last[MAX_DROP];
#endif
    int j = 0;

setlocale(LC_ALL, "");

CATCHALL(onsig);

initscr();
    if (has_colors()) {
	int bg = COLOR_BLACK;
	start_color();
#if HAVE_USE_DEFAULT_COLORS
	if (use_default_colors() == OK)
	    bg = -1;
#endif
	init_pair(1, COLOR_BLUE, (short) bg);
	init_pair(2, COLOR_CYAN, (short) bg);
    }
    nl();
    noecho();
    curs_set(0);
    timeout(0);

#ifndef USE_PTHREADS
    for (j = MAX_DROP; --j >= 0;) {
	last[j].x = random_x();
	last[j].y = random_y();
    }
    j = 0;
#endif

while (!done) {
	drop.x = random_x();
	drop.y = random_y();

#ifdef USE_PTHREADS
	if (start_drop(&drop) != 0) {
	    beep();
	}
#else
	/*
	 * The non-threaded code draws parts of each drop on each loop.
	 */
	part1(&drop);

part2(&last[j]);

j = next_j(j);
	part3(&last[j]);

j = next_j(j);
	part4(&last[j]);

j = next_j(j);
	part5(&last[j]);

j = next_j(j);
	part6(&last[j]);

last[j] = drop;
#endif

switch (get_input()) {
	case ('q'):
	case ('Q'):
	    done = TRUE;
	    break;
	case 's':
	    nodelay(stdscr, FALSE);
	    break;
	case ' ':
	    nodelay(stdscr, TRUE);
	    break;
#ifdef KEY_RESIZE
	case (KEY_RESIZE):
	    break;
#endif
	}
	napms(50);
    }
    curs_set(1);
    endwin();
#ifdef USE_PTHREADS
    printf("Counts per thread:\n");
    for (j = 0; j < MAX_THREADS; ++j)
	printf("  %d:%ld\n", j, drop_threads[j].counter);
#endif
    ExitProgram(EXIT_SUCCESS);
}

${this.title}

Code Editor : rain.c