fd.h

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#ifndef __SYS_FD_H__
#define __SYS_FD_H__
 
#include "vfs/dentry.h"
#include <type.h>
 
#define INITIAL_MAX_FDS 64
 
struct fdtable;
struct file_descriptor {
    atomic_t count;
    struct fdtable *fdt;
    void* ops;
    uint8_t mode;
    uint64_t pos;
    uint32_t flags;
    vnode_ptr_t vnode;
} __attribute__((aligned(64)));
 
struct fdtable {
    uint32_t max_fds;
    struct file_descriptor ** fds;
    uint32_t next_fd;
};
 
struct fdtable* alloc_fdtable();
void free_fdtable(struct fdtable* fdt);
struct file_descriptor* alloc_fd();
 
// TODO
int realloc_fdtable(struct fdtable* fdt, uint32_t max_fds);
 
#endif // __SYS_FD_H__