starting to work on pty drivers, fork(), and scheduler redesign

2026-07-07 00:13:24 -05:00
parent 6d7a23d747
commit 177a0b8fe9
29 changed files with 859 additions and 111 deletions
--- a/kernel/lib/ringbuf.h
+++ b/kernel/lib/ringbuf.h
@@ -0,0 +1,20 @@
+#ifndef KRINGBUF_H
+#define KRINGBUF_H
+
+#include <stddef.h>
+
+#define PTY_BUFFER_SIZE 1024
+
+typedef struct {
+    char data[PTY_BUFFER_SIZE];
+    size_t head;
+    size_t tail;
+} ring_buf_t;
+
+void ring_buf_init(ring_buf_t* rb);
+int ring_buf_is_empty(ring_buf_t* rb);
+int ring_buf_is_full(ring_buf_t* rb);
+int ring_buf_write(ring_buf_t *buf, char c);
+int ring_buf_read(ring_buf_t *buf, char *c);
+
+#endif