Awesome new multitasking system and scheduler

1 files changed, 71 insertions, 0 deletions

diff --git a/src/kernel/tasks/process.h b/src/kernel/tasks/process.h
new file mode 100644
index 0000000..df0f51f
--- /dev/null
+++ b/src/kernel/tasks/process.h
@@ -0,0 +1,71 @@
+#ifndef MELVIX_PROCESS_H
+#define MELVIX_PROCESS_H
+
+#include <stdint.h>
+#include <kernel/memory/paging.h>
+#include <kernel/interrupts/interrupts.h>
+
+struct mmap {
+	uint32_t text;
+	uint32_t bss;
+	uint32_t data;
+	uint32_t stack;
+};
+
+struct process {
+	struct page_directory *cr3;
+	struct regs registers;
+
+	uint32_t pid;
+	uint32_t gid;
+	char *name;
+
+	int state;
+	int thread;
+
+	uint32_t stdint;
+	uint32_t stdout;
+	uint32_t stderr;
+
+	uint32_t brk;
+	uint32_t handlers[6];
+
+	struct process *parent;
+	struct process *next;
+};
+
+void process_kill(uint32_t pid);
+
+uint32_t process_spawn(struct process *process);
+
+void process_suspend(uint32_t pid);
+void process_wake(uint32_t pid);
+uint32_t process_child(struct process *process, uint32_t pid);
+uint32_t process_fork(uint32_t pid);
+
+int process_wait_gid(uint32_t gid, int *status);
+int process_wait_pid(uint32_t pid, int *status);
+
+struct process *process_from_pid(uint32_t pid);
+
+void process_init(struct process *proc);
+
+struct process *process_make_new();
+
+extern struct process *current_proc;
+
+extern uint32_t stack_hold;
+
+#define PID_NOT_FOUND ((struct process *)0xFFFFFFFF)
+
+#define PROC_RUNNING 0
+#define PROC_ASLEEP 1
+
+#define PROC_THREAD 0
+#define PROC_PROC 1
+#define PROC_ROOT 2
+
+#define WAIT_ERROR (-1)
+#define WAIT_OKAY 0
+
+#endif
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