Initial commit: SUB-OS 64-Bit Production Monolithic Operating System with LazyBox userland suite

include/kernel/task.h

@@ -0,0 +1,36 @@
+#ifndef _KERNEL_TASK_H
+#define _KERNEL_TASK_H
+
+#include "types.h"
+#include <lib/list.h>
+
+typedef enum {
+    TASK_STATE_READY,
+    TASK_STATE_RUNNING,
+    TASK_STATE_BLOCKED,
+    TASK_STATE_SLEEPING,
+    TASK_STATE_ZOMBIE,
+    TASK_STATE_DEAD
+} task_state_t;
+
+typedef struct task_struct {
+    pid_t pid;
+    char name[32];
+    task_state_t state;
+    uint64_t rsp;
+    uint64_t stack_base;
+    size_t stack_size;
+    uint64_t sleep_until_ticks;
+    int priority;
+    int time_slice;
+    struct list_head list;
+} task_t;
+
+typedef void (*task_entry_fn_t)(void* arg);
+
+task_t* task_create(const char* name, task_entry_fn_t entry, void* arg, int priority);
+void task_exit(int exit_code);
+task_t* task_current(void);
+pid_t task_get_pid(void);
+
+#endif // _KERNEL_TASK_H