1 /* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef _INIT_UTIL_H_ 18 #define _INIT_UTIL_H_ 19 20 #include <sys/stat.h> 21 #include <sys/types.h> 22 23 #include <string> 24 #include <functional> 25 26 #define ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0])) 27 28 #define COLDBOOT_DONE "/dev/.coldboot_done" 29 30 int mtd_name_to_number(const char *name); 31 int create_socket(const char *name, int type, mode_t perm, 32 uid_t uid, gid_t gid, const char *socketcon); 33 34 bool read_file(const char* path, std::string* content); 35 int write_file(const char* path, const char* content); 36 37 time_t gettime(); 38 uint64_t gettime_ns(); 39 40 class Timer { 41 public: 42 Timer() : t0(gettime_ns()) { 43 } 44 45 double duration() { 46 return static_cast<double>(gettime_ns() - t0) / 1000000000.0; 47 } 48 49 private: 50 uint64_t t0; 51 }; 52 53 unsigned int decode_uid(const char *s); 54 55 int mkdir_recursive(const char *pathname, mode_t mode); 56 void sanitize(char *p); 57 void make_link_init(const char *oldpath, const char *newpath); 58 void remove_link(const char *oldpath, const char *newpath); 59 int wait_for_file(const char *filename, int timeout); 60 void open_devnull_stdio(void); 61 void import_kernel_cmdline(bool in_qemu, std::function<void(char*,bool)>); 62 int make_dir(const char *path, mode_t mode); 63 int restorecon(const char *pathname); 64 int restorecon_recursive(const char *pathname); 65 std::string bytes_to_hex(const uint8_t *bytes, size_t bytes_len); 66 #endif 67
