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syscalls: poll

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Matheus
2022-10-15 14:06:07 -03:00
parent d66ff03141
commit 82f839f8a7
8 changed files with 197 additions and 7 deletions
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src/video/consoledev.c
+31 -6
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@@ -153,10 +153,9 @@ __attribute__((noreturn)) static void console_thread(){
}
}
else{ // not canon
if(tty.c_lflag & ECHO)
if(tty.c_lflag & ECHO){
console_write(strbufptr, strbuflen);
}
arch_interrupt_disable();
ringbuffer_write(&input, strbufptr, strbuflen);
@@ -204,7 +203,6 @@ static int read(int *error, int dev, void* buff, size_t count, size_t offset){
static int write(int *error, int dev, void* buff, size_t count, size_t offset){
*error = 0;
console_write(buff, count);
return count;
@@ -226,6 +224,8 @@ typedef struct{
unsigned short ws_ypixel;
} winsize;
#include <arch/cls.h>
static int ioctl(int minor, unsigned long req, void* arg){
switch(req){
case TIOCGWINSZ:
@@ -248,10 +248,29 @@ static int ioctl(int minor, unsigned long req, void* arg){
}
#include <poll.h>
static int poll(int minor, pollfd* fd){
if((fd->events & POLLIN) && input.write != input.read)
fd->revents |= POLLIN;
if((fd->events & POLLOUT) && outputlock == 0)
fd->revents |= POLLOUT;
return 0;
}
devcalls calls = {
read, write, isatty, isseekable, ioctl
read, write, isatty, isseekable, ioctl, poll
};
static void callback(struct limine_terminal *terminal, uint64_t type, uint64_t arg1, uint64_t arg2, uint64_t arg3){
asm("cli;hlt");
}
void consoledev_init(){
if(devman_newdevice("console", TYPE_CHARDEV, MAJOR_CONSOLE, 0, &calls))
@@ -265,7 +284,13 @@ void consoledev_init(){
if(!thread)
_panic("Failed to initialise console thread", 0);
tty.c_lflag = ECHO | ICANON;
tty.c_lflag = ECHO | ICANON | ISIG;
tty.c_cc[VINTR] = 0x03;
tty.ibaud = 38400;
tty.obaud = 38400;
tty.c_cc[VMIN] = 1;
liminetty_setcallback(0, callback);
}