VFS mount/umount + sys_open/close/read/fake write

include/sched/process.h

@@ -11,6 +11,7 @@
 #include <config.h>
 #include <stdint.h>
 #include <limine.h>
+#include <stdbool.h>
 
 typedef enum {
     READY,
@@ -18,6 +19,12 @@ typedef enum {
     DEAD
 } status_t;
 
+struct process_fd {
+    bool used;
+    unsigned int drive_id;
+    int fs_fd;
+};
+
 struct process {
     size_t pid;
     char name[PROCESS_NAME_MAX];
@@ -26,6 +33,7 @@ struct process {
     struct cpu_status* context;
 	void* root_page_table; // Process PML4 (should contain kernel PML4 in higher half [256-511]
     void* kernel_stack; // Used for interrupts (syscall: int 0x80), defines the TSS RSP0
+    struct process_fd fds[PROCESS_FD_MAX];
     struct process* next;
 };
 
@@ -40,4 +48,9 @@ void process_display_list(struct process* processes_list);
 
 void process_create_user(struct limine_file* file, char* name);
 
+void process_fd_init(struct process* proc);
+int process_fd_alloc(struct process* proc, unsigned int drive_id, int fs_fd);
+int process_fd_get_fsfd(struct process* proc, int fd, unsigned int* drive_id, int* fs_fd);
+int process_fd_release(struct process* proc, int fd);
+
 #endif