1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
|
#include <stdlib.h>
#include <stdio.h>
#include "../put_pixel.h"
extern char**environ;
//default
char *argv1[]={"xterm","/bin/fsh",0};
int main(int argc, char **argv)
{
// we need a window
_gui_win();
// basically loads font and sets a few constants
vesa_init(NULL);
// init tty and set vesa output funcs
void *tty=terminal_init_vesa();
//int xterm_in[2];
int xterm_out[2];
//_pipe(xterm_in);
pipe(xterm_out);
int tty_fd=_open("/dev/tty");
int pid=fork();
if(!pid) // child
{
// we need a window
_gui_win();
//srand(time(NULL)); // Initialization, should only be called once.
while(1)
{
int x = rand()%600;
int y = rand()%300;
int width=10;
int height=10;
int col = rand()% 0x00ffff;
put_rect( x, y, width,height,col);
_gui_inval((x<<16)|(y),(width<<16)|height);
}
//_close(xterm_in[1]);
close(xterm_out[0]);
dup2(tty_fd,0);// stdin
dup2(xterm_out[1],1);// stdout
dup2(xterm_out[1],2);// stderr
// replace process with our foolshell or whatever
if(argc==1)_execve(argv1[1],argv1,environ);
execve(argv[1],argv,environ);
printf("unable to execve %s",argv[1]); // never reached
}
else{
//_close(xterm_in[0]);
close(xterm_out[1]);
//_dup2(xterm_in[1],0); // compositor writes here.
//_close(xterm_in[1]);
// TODO quit if execve fails or child exits...
terminal_put(tty,'X');
terminal_put(tty,'X');
terminal_put(tty,'X');
while(1)
{
char buf[1];
//read(xterm_out[0],buf,1); // show what foolshell writes to its stdout/stderr
read(tty_fd,buf,1); // show what foolshell writes to its stdout/stderr
terminal_put(tty,buf[0]);
}
}
}
|
