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Kernel: Process can now initialize stdio

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This allows the use of the fds STD{IN,OUT,ERR}_FILENO
This commit is contained in:
Bananymous
2023-04-05 01:10:25 +03:00
parent fe10ea85db
commit db076058b9
3 changed files with 19 additions and 5 deletions
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8
kernel/kernel/kernel.cpp
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@@ -22,6 +22,8 @@
#include <kernel/Terminal/TTY.h>
#include <kernel/Terminal/VesaTerminalDriver.h>
#include <unistd.h>
extern "C" const char g_kernel_cmdline[];
struct ParsedCommandLine
@@ -223,12 +225,12 @@ static void init2(void* terminal_driver)
MUST(Process::create_kernel(
[](void*)
{
int fd = MUST(Process::current()->open("/dev/tty1", 1));
MUST(Process::current()->init_stdio());
while (true)
{
char buffer[1024];
int n_read = MUST(Process::current()->read(fd, buffer, sizeof(buffer)));
MUST(Process::current()->write(fd, buffer, n_read));
int n_read = MUST(Process::current()->read(STDIN_FILENO, buffer, sizeof(buffer)));
MUST(Process::current()->write(STDOUT_FILENO, buffer, n_read));
dprintln("{} bytes", n_read);
}
}, nullptr