native_client_sdk/src/libraries/nacl_io/kernel_intercept.h

   1 /* Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2  * Use of this source code is governed by a BSD-style license that can be
   3  * found in the LICENSE file. */
   4
   5 #ifndef LIBRARIES_NACL_IO_KERNEL_INTERCEPT_H_
   6 #define LIBRARIES_NACL_IO_KERNEL_INTERCEPT_H_
   7
   8 #include <stdarg.h>
   9 #include <sys/time.h>
  10
  11 #include <ppapi/c/ppb.h>
  12 #include <ppapi/c/pp_instance.h>
  13
  14 #include "nacl_io/ossignal.h"
  15 #include "nacl_io/ossocket.h"
  16 #include "nacl_io/osstat.h"
  17 #include "nacl_io/ostermios.h"
  18 #include "nacl_io/ostypes.h"
  19 #include "nacl_io/osutime.h"
  20 #include "sdk_util/macros.h"
  21
  22 EXTERN_C_BEGIN
  23
  24 #ifdef __cplusplus
  25 namespace nacl_io {
  26 class KernelProxy;
  27 }
  28 #endif
  29
  30 struct fuse_operations;
  31
  32 /*
  33  * The kernel intercept module provides a C->C++ thunk between the libc
  34  * kernel calls and the KernelProxy singleton.
  35  */
  36
  37 /*
  38  * ki_init must be called with an uninitialized KernelProxy object.  Calling
  39  * with NULL will instantiate a default kernel proxy object.  ki_init must
  40  * be called before any other ki_XXX function can be used.
  41  */
  42 int ki_init(void* kernel_proxy);
  43
  44 /*
  45  * Saves the current internal state.  This is used by test code which can
  46  * use this to save the current state before calling ki_init().  The
  47  * pushed state is restored by ki_pop_state_for_testing() (or ki_uninit()).
  48  */
  49 int ki_push_state_for_testing(void);
  50
  51 int ki_pop_state_for_testing(void);
  52
  53 int ki_init_ppapi(void* kernel_proxy,
  54                   PP_Instance instance,
  55                   PPB_GetInterface get_browser_interface);
  56
  57 /*
  58  * ki_init_interface() is a variant of ki_init() that can be called with
  59  * a PepperInterface object.
  60  */
  61 int ki_init_interface(void* kernel_proxy, void* pepper_interface);
  62
  63 #ifdef __cplusplus
  64 nacl_io::KernelProxy* ki_get_proxy();
  65 #endif
  66
  67 int ki_is_initialized(void);
  68 int ki_uninit(void);
  69
  70 int ki_chdir(const char* path);
  71 void ki_exit(int status);
  72 char* ki_getcwd(char* buf, size_t size);
  73 char* ki_getwd(char* buf);
  74 int ki_dup(int oldfd);
  75 int ki_dup2(int oldfd, int newfd);
  76 int ki_chmod(const char* path, mode_t mode);
  77 int ki_fchdir(int fd);
  78 int ki_fchmod(int fd, mode_t mode);
  79 int ki_stat(const char* path, struct stat* buf);
  80 int ki_mkdir(const char* path, mode_t mode);
  81 int ki_rmdir(const char* path);
  82 int ki_mount(const char* source,
  83              const char* target,
  84              const char* filesystemtype,
  85              unsigned long mountflags,
  86              const void* data);
  87 int ki_umount(const char* path);
  88 int ki_open(const char* path, int oflag, mode_t mode);
  89 int ki_pipe(int pipefds[2]);
  90 ssize_t ki_read(int fd, void* buf, size_t nbyte);
  91 ssize_t ki_write(int fd, const void* buf, size_t nbyte);
  92 int ki_fstat(int fd, struct stat* buf);
  93 int ki_getdents(int fd, void* buf, unsigned int count);
  94 int ki_fsync(int fd);
  95 int ki_fdatasync(int fd);
  96 int ki_ftruncate(int fd, off_t length);
  97 int ki_isatty(int fd);
  98 int ki_close(int fd);
  99 off_t ki_lseek(int fd, off_t offset, int whence);
 100 int ki_remove(const char* path);
 101 int ki_unlink(const char* path);
 102 int ki_truncate(const char* path, off_t length);
 103 int ki_lstat(const char* path, struct stat* buf);
 104 int ki_link(const char* oldpath, const char* newpath);
 105 int ki_rename(const char* oldpath, const char* newpath);
 106 int ki_symlink(const char* oldpath, const char* newpath);
 107 int ki_access(const char* path, int amode);
 108 int ki_readlink(const char* path, char* buf, size_t count);
 109 int ki_utimes(const char* path, const struct timeval times[2]);
 110 int ki_futimes(int fd, const struct timeval times[2]);
 111 void* ki_mmap(void* addr,
 112               size_t length,
 113               int prot,
 114               int flags,
 115               int fd,
 116               off_t offset);
 117 int ki_munmap(void* addr, size_t length);
 118 int ki_open_resource(const char* file);
 119 int ki_fcntl(int d, int request, va_list args);
 120 int ki_ioctl(int d, int request, va_list args);
 121 int ki_chown(const char* path, uid_t owner, gid_t group);
 122 int ki_fchown(int fd, uid_t owner, gid_t group);
 123 int ki_lchown(const char* path, uid_t owner, gid_t group);
 124 int ki_utime(const char* filename, const struct utimbuf* times);
 125 int ki_futimens(int fd, const struct timespec times[2]);
 126 mode_t ki_umask(mode_t mask);
 127
 128 int ki_poll(struct pollfd* fds, nfds_t nfds, int timeout);
 129 int ki_select(int nfds,
 130               fd_set* readfds,
 131               fd_set* writefds,
 132               fd_set* exceptfds,
 133               struct timeval* timeout);
 134
 135 int ki_tcflush(int fd, int queue_selector);
 136 int ki_tcgetattr(int fd, struct termios* termios_p);
 137 int ki_tcsetattr(int fd, int optional_actions, const struct termios* termios_p);
 138 int ki_kill(pid_t pid, int sig);
 139 int ki_killpg(pid_t pid, int sig);
 140 int ki_sigaction(int signum,
 141                  const struct sigaction* action,
 142                  struct sigaction* oaction);
 143 int ki_sigpause(int sigmask);
 144 int ki_sigpending(sigset_t* set);
 145 int ki_sigsuspend(const sigset_t* set);
 146 sighandler_t ki_signal(int signum, sighandler_t handler);
 147 sighandler_t ki_sigset(int signum, sighandler_t handler);
 148
 149 #ifdef PROVIDES_SOCKET_API
 150 /* Socket Functions */
 151 int ki_accept(int fd, struct sockaddr* addr, socklen_t* len);
 152 int ki_bind(int fd, const struct sockaddr* addr, socklen_t len);
 153 int ki_connect(int fd, const struct sockaddr* addr, socklen_t len);
 154 void ki_freeaddrinfo(struct addrinfo* res);
 155 int ki_getaddrinfo(const char* node,
 156                    const char* service,
 157                    const struct addrinfo* hints,
 158                    struct addrinfo** res);
 159 struct hostent* ki_gethostbyname(const char* name);
 160 int ki_getnameinfo(const struct sockaddr *sa,
 161                    socklen_t salen,
 162                    char *host,
 163                    size_t hostlen,
 164                    char *serv,
 165                    size_t servlen,
 166                    unsigned int flags);
 167 int ki_getpeername(int fd, struct sockaddr* addr, socklen_t* len);
 168 int ki_getsockname(int fd, struct sockaddr* addr, socklen_t* len);
 169 int ki_getsockopt(int fd, int lvl, int optname, void* optval, socklen_t* len);
 170 int ki_listen(int fd, int backlog);
 171 ssize_t ki_recv(int fd, void* buf, size_t len, int flags);
 172 ssize_t ki_recvfrom(int fd,
 173                     void* buf,
 174                     size_t len,
 175                     int flags,
 176                     struct sockaddr* addr,
 177                     socklen_t* addrlen);
 178 ssize_t ki_recvmsg(int fd, struct msghdr* msg, int flags);
 179 ssize_t ki_send(int fd, const void* buf, size_t len, int flags);
 180 ssize_t ki_sendto(int fd,
 181                   const void* buf,
 182                   size_t len,
 183                   int flags,
 184                   const struct sockaddr* addr,
 185                   socklen_t addrlen);
 186 ssize_t ki_sendmsg(int fd, const struct msghdr* msg, int flags);
 187 int ki_setsockopt(int fd,
 188                   int lvl,
 189                   int optname,
 190                   const void* optval,
 191                   socklen_t len);
 192 int ki_shutdown(int fd, int how);
 193 int ki_socket(int domain, int type, int protocol);
 194 int ki_socketpair(int domain, int type, int protocl, int* sv);
 195 #endif  /* PROVIDES_SOCKET_API */
 196
 197 EXTERN_C_END
 198
 199 #endif  /* LIBRARIES_NACL_IO_KERNEL_INTERCEPT_H_ */