fdman.h

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/*
 * PSP Software Development Kit - http://www.pspdev.org
 * -----------------------------------------------------------------------
 * Licensed under the BSD license, see LICENSE in PSPSDK root for details.
 *
 * fdman.h - File descriptor management.
 *
 * Copyright (c) 2006 Rafael Cabezas <rafpsp@gmail.com>
 */
 
#ifndef _FDMAN_H_
 
#include <sys/types.h>
 
#define _FDMAN_H_
 
#define __FILENO_MAX 1024
 
#define __IS_FD_VALID(FD) \
                ( (FD >= 0) && (FD < __FILENO_MAX) && (__descriptormap[FD] != NULL) )
 
#define __IS_FD_OF_TYPE(FD, TYPE) \
                ( (__IS_FD_VALID(FD)) && (__descriptormap[FD]->type == TYPE) )
                
typedef enum {
        __DESCRIPTOR_TYPE_FILE,
        __DESCRIPTOR_TYPE_FOLDER,
        __DESCRIPTOR_TYPE_PIPE,
        __DESCRIPTOR_TYPE_SOCKET,
        __DESCRIPTOR_TYPE_TTY
} __fdman_fd_types;
 
typedef struct {
        uint32_t descriptor;
        uint32_t flags;
        uint32_t ref_count;
        char *filename;
        uint8_t type;
} __descriptormap_type;
        
extern __descriptormap_type *__descriptormap[__FILENO_MAX];
 
void __fdman_init();
int  __fdman_get_new_descriptor();
int  __fdman_get_dup_descriptor(int fd);
void __fdman_release_descriptor(int fd);
 
#endif