1 /* 2 * Copyright (C) 2008 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 _DUMPSTATE_H_ 18 #define _DUMPSTATE_H_ 19 20 #include <time.h> 21 #include <unistd.h> 22 #include <stdbool.h> 23 #include <stdio.h> 24 25 #define SU_PATH "/system/xbin/su" 26 27 typedef void (for_each_pid_func)(int, const char *); 28 typedef void (for_each_tid_func)(int, int, const char *); 29 30 /* prints the contents of a file */ 31 int dump_file(const char *title, const char *path); 32 33 /* prints the contents of the fd 34 * fd must have been opened with the flag O_NONBLOCK. 35 */ 36 int dump_file_from_fd(const char *title, const char *path, int fd); 37 38 /* calls skip to gate calling dump_from_fd recursively 39 * in the specified directory. dump_from_fd defaults to 40 * dump_file_from_fd above when set to NULL. skip defaults 41 * to false when set to NULL. dump_from_fd will always be 42 * called with title NULL. 43 */ 44 int dump_files(const char *title, const char *dir, 45 bool (*skip)(const char *path), 46 int (*dump_from_fd)(const char *title, const char *path, int fd)); 47 48 /* forks a command and waits for it to finish -- terminate args with NULL */ 49 int run_command(const char *title, int timeout_seconds, const char *command, ...); 50 51 /* prints all the system properties */ 52 void print_properties(); 53 54 /* redirect output to a service control socket */ 55 void redirect_to_socket(FILE *redirect, const char *service); 56 57 /* redirect output to a file */ 58 void redirect_to_file(FILE *redirect, char *path); 59 60 /* dump Dalvik and native stack traces, return the trace file location (NULL if none) */ 61 const char *dump_traces(); 62 63 /* for each process in the system, run the specified function */ 64 void for_each_pid(for_each_pid_func func, const char *header); 65 66 /* for each thread in the system, run the specified function */ 67 void for_each_tid(for_each_tid_func func, const char *header); 68 69 /* Displays a blocked processes in-kernel wait channel */ 70 void show_wchan(int pid, int tid, const char *name); 71 72 /* Runs "showmap" for a process */ 73 void do_showmap(int pid, const char *name); 74 75 /* Gets the dmesg output for the kernel */ 76 void do_dmesg(); 77 78 /* Prints the contents of all the routing tables, both IPv4 and IPv6. */ 79 void dump_route_tables(); 80 81 /* Play a sound via Stagefright */ 82 void play_sound(const char *path); 83 84 /* Implemented by libdumpstate_board to dump board-specific info */ 85 void dumpstate_board(); 86 87 #endif /* _DUMPSTATE_H_ */ 88