/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
 * vim: set ts=8 sts=4 et sw=4 tw=99:
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef vm_PosixNSPR_h
#define vm_PosixNSPR_h

#ifdef JS_POSIX_NSPR

#include "jspubtd.h"

int32_t
PR_FileDesc2NativeHandle(PRFileDesc* fd);

enum PRFileType
{
    PR_FILE_FILE = 1,
    PR_FILE_DIRECTORY = 2,
    PR_FILE_OTHER = 3
};

struct PRFileInfo
{
    PRFileType type;
    int32_t size;
    int64_t creationTime;
    int64_t modifyTime;
};

typedef enum { PR_FAILURE = -1, PR_SUCCESS = 0 } PRStatus;

PRStatus
PR_GetOpenFileInfo(PRFileDesc *fd, PRFileInfo *info);

enum PRSeekWhence
{
    PR_SEEK_SET = 0,
    PR_SEEK_CUR = 1,
    PR_SEEK_END = 2
};

int32_t
PR_Seek(PRFileDesc *fd, int32_t offset, PRSeekWhence whence);

enum PRFileMapProtect
{
    PR_PROT_READONLY,
    PR_PROT_READWRITE,
    PR_PROT_WRITECOPY
};

struct PRFileMap;

PRFileMap*
PR_CreateFileMap(PRFileDesc *fd, int64_t size, PRFileMapProtect prot);

void*
PR_MemMap(PRFileMap *fmap, int64_t offset, uint32_t len);

PRStatus
PR_MemUnmap(void *addr, uint32_t len);

PRStatus
PR_CloseFileMap(PRFileMap *fmap);

#endif /* JS_POSIX_NSPR */

#endif /* vm_PosixNSPR_h */