native_client_sdk/src/libraries/nacl_io/kernel_intercept.h

// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef LIBRARIES_NACL_IO_KERNEL_INTERCEPT_H_
#define LIBRARIES_NACL_IO_KERNEL_INTERCEPT_H_

#include <ppapi/c/ppb.h>
#include <ppapi/c/pp_instance.h>
#include "nacl_io/ostypes.h"
#include "nacl_io/osutime.h"
#include "sdk_util/macros.h"

EXTERN_C_BEGIN

// The kernel intercept module provides a C->C++ thunk between the libc
// kernel calls and the KernelProxy singleton.

// ki_init must be called with an uninitialized KernelProxy object.  Calling
// with NULL will instantiate a default kernel proxy object.  ki_init must
// be called before any other ki_XXX function can be used.
void ki_init(void* kernel_proxy);
void ki_init_ppapi(void* kernel_proxy,
                   PP_Instance instance,
                   PPB_GetInterface get_browser_interface);
int ki_is_initialized();
void ki_uninit();

int ki_chdir(const char* path);
char* ki_getcwd(char* buf, size_t size);
char* ki_getwd(char* buf);
int ki_dup(int oldfd);
int ki_dup2(int oldfd, int newfd);
int ki_chmod(const char* path, mode_t mode);
int ki_stat(const char* path, struct stat* buf);
int ki_mkdir(const char* path, mode_t mode);
int ki_rmdir(const char* path);
int ki_mount(const char* source, const char* target, const char* filesystemtype,
             unsigned long mountflags, const void *data);
int ki_umount(const char* path);
int ki_open(const char* path, int oflag);
ssize_t ki_read(int fd, void* buf, size_t nbyte);
ssize_t ki_write(int fd, const void* buf, size_t nbyte);
int ki_fstat(int fd, struct stat *buf);
int ki_getdents(int fd, void* buf, unsigned int count);
int ki_ftruncate(int fd, off_t length);
int ki_fsync(int fd);
int ki_isatty(int fd);
int ki_close(int fd);
off_t ki_lseek(int fd, off_t offset, int whence);
int ki_remove(const char* path);
int ki_unlink(const char* path);
int ki_access(const char* path, int amode);
int ki_link(const char* oldpath, const char* newpath);
int ki_symlink(const char* oldpath, const char* newpath);
void* ki_mmap(void* addr, size_t length, int prot, int flags, int fd,
              off_t offset);
int ki_munmap(void* addr, size_t length);
int ki_open_resource(const char* file);
int ki_ioctl(int d, int request, char* argp);
int ki_chown(const char* path, uid_t owner, gid_t group);
int ki_fchown(int fd, uid_t owner, gid_t group);
int ki_lchown(const char* path, uid_t owner, gid_t group);
int ki_utime(const char* filename, const struct utimbuf* times);

EXTERN_C_END

#endif  // LIBRARIES_NACL_IO_KERNEL_INTERCEPT_H_