1 // Copyright (c) 2013 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_MOUNT_NODE_TTY_H_ 6 #define LIBRARIES_NACL_IO_MOUNT_NODE_TTY_H_ 7 8 #include <pthread.h> 9 10 #include <deque> 11 12 #include "nacl_io/ioctl.h" 13 #include "nacl_io/mount_node_char.h" 14 #include "nacl_io/ostermios.h" 15 16 17 namespace nacl_io { 18 19 class MountNodeTty : public MountNodeCharDevice { 20 public: 21 explicit MountNodeTty(Mount* mount); 22 ~MountNodeTty(); 23 24 virtual Error Ioctl(int request, 25 char* arg); 26 27 virtual Error Read(size_t offs, 28 void* buf, 29 size_t count, 30 int* out_bytes); 31 32 virtual Error Write(size_t offs, 33 const void* buf, 34 size_t count, 35 int* out_bytes); 36 37 virtual Error Tcgetattr(struct termios* termios_p); 38 virtual Error Tcsetattr(int optional_actions, 39 const struct termios *termios_p); 40 41 private: 42 virtual Error Write(size_t offs, 43 const void* buf, 44 size_t count, 45 int* out_bytes, 46 bool locked); 47 Error ProcessInput(struct tioc_nacl_input_string* message); 48 Error Echo(const char* string, int count); 49 void InitTermios(); 50 51 std::deque<char> input_buffer_; 52 bool is_readable_; 53 pthread_cond_t is_readable_cond_; 54 std::string prefix_; 55 struct termios termios_; 56 }; 57 58 } 59 60 #endif 61
