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Virtual consoles kinda work!

Browse source 
We now make three VirtualConsoles at boot: tty0, tty1, and tty2.
We launch an instance of /bin/sh in each one.
You switch between them with Alt+1/2/3

How very very cool :^)
This commit is contained in:
Andreas Kling 2018-10-30 15:33:37 +01:00
parent 68739dc43e
commit 7a7956a595
24 changed files with 251 additions and 103 deletions
Download patch file Download diff file Expand all files Collapse all files

8
LibC/stdio.cpp
View file

@ -3,6 +3,7 @@
#include "types.h"
#include "string.h"
#include "errno.h"
#include "unistd.h"
#include <Kernel/Syscall.h>
#include <AK/printf.cpp>
@ -10,13 +11,14 @@ extern "C" {
int putchar(int ch)
{
Syscall::invoke(Syscall::PutCharacter, ch);
write(0, &ch, 1);
//Syscall::invoke(Syscall::PutCharacter, ch);
return (byte)ch;
}
static void sys_putch(char*, char ch)
static void sys_putch(char*&, char ch)
{
Syscall::invoke(Syscall::PutCharacter, ch);
putchar(ch);
}
int printf(const char* fmt, ...)

6
LibC/unistd.cpp
View file

@ -32,6 +32,12 @@ ssize_t read(int fd, void* buf, size_t count)
__RETURN_WITH_ERRNO(rc, rc, -1);
}
ssize_t write(int fd, const void* buf, size_t count)
{
int rc = Syscall::invoke(Syscall::PosixWrite, (dword)fd, (dword)buf, (dword)count);
__RETURN_WITH_ERRNO(rc, rc, -1);
}
int close(int fd)
{
int rc = Syscall::invoke(Syscall::PosixClose, fd);

1
LibC/unistd.h
View file

@ -9,6 +9,7 @@ gid_t getgid();
pid_t getpid();
int open(const char* path, int options);
ssize_t read(int fd, void* buf, size_t count);
ssize_t write(int fd, const void* buf, size_t count);
int close(int fd);
pid_t waitpid(pid_t, int* wstatus, int options);
int chdir(const char* path);