fd.c

Go to the documentation of this file.

#include "fd.h"
#include "memory/kalloc.h"
 
struct fdtable* alloc_fdtable() {
    struct fdtable* table = kalloc(sizeof(struct fdtable));
    table->max_fds = INITIAL_MAX_FDS;
    table->fds = (struct file_descriptor**)kalloc(
        sizeof(struct file_descriptor*) * table->max_fds);
    table->next_fd = 0;
    return table;
}
 
struct file_descriptor* alloc_fd() {
    struct file_descriptor* fd = kalloc(sizeof(struct file_descriptor));
    return fd;
}
 
 
void free_fdtable(struct fdtable* table) {
    kfree2(table->fds);
    kfree2(table);
}