1*635a8641SAndroid Build Coastguard Worker // Copyright (c) 2012 The Chromium Authors. All rights reserved. 2*635a8641SAndroid Build Coastguard Worker // Use of this source code is governed by a BSD-style license that can be 3*635a8641SAndroid Build Coastguard Worker // found in the LICENSE file. 4*635a8641SAndroid Build Coastguard Worker 5*635a8641SAndroid Build Coastguard Worker #ifndef BASE_LINUX_UTIL_H_ 6*635a8641SAndroid Build Coastguard Worker #define BASE_LINUX_UTIL_H_ 7*635a8641SAndroid Build Coastguard Worker 8*635a8641SAndroid Build Coastguard Worker #include <stdint.h> 9*635a8641SAndroid Build Coastguard Worker #include <sys/types.h> 10*635a8641SAndroid Build Coastguard Worker 11*635a8641SAndroid Build Coastguard Worker #include <string> 12*635a8641SAndroid Build Coastguard Worker 13*635a8641SAndroid Build Coastguard Worker #include "base/base_export.h" 14*635a8641SAndroid Build Coastguard Worker 15*635a8641SAndroid Build Coastguard Worker namespace base { 16*635a8641SAndroid Build Coastguard Worker 17*635a8641SAndroid Build Coastguard Worker // This is declared here so the crash reporter can access the memory directly 18*635a8641SAndroid Build Coastguard Worker // in compromised context without going through the standard library. 19*635a8641SAndroid Build Coastguard Worker BASE_EXPORT extern char g_linux_distro[]; 20*635a8641SAndroid Build Coastguard Worker 21*635a8641SAndroid Build Coastguard Worker // Get the Linux Distro if we can, or return "Unknown". 22*635a8641SAndroid Build Coastguard Worker BASE_EXPORT std::string GetLinuxDistro(); 23*635a8641SAndroid Build Coastguard Worker 24*635a8641SAndroid Build Coastguard Worker // Set the Linux Distro string. 25*635a8641SAndroid Build Coastguard Worker BASE_EXPORT void SetLinuxDistro(const std::string& distro); 26*635a8641SAndroid Build Coastguard Worker 27*635a8641SAndroid Build Coastguard Worker // For a given process |pid|, look through all its threads and find the first 28*635a8641SAndroid Build Coastguard Worker // thread with /proc/[pid]/task/[thread_id]/syscall whose first N bytes matches 29*635a8641SAndroid Build Coastguard Worker // |expected_data|, where N is the length of |expected_data|. 30*635a8641SAndroid Build Coastguard Worker // Returns the thread id or -1 on error. If |syscall_supported| is 31*635a8641SAndroid Build Coastguard Worker // set to false the kernel does not support syscall in procfs. 32*635a8641SAndroid Build Coastguard Worker BASE_EXPORT pid_t FindThreadIDWithSyscall(pid_t pid, 33*635a8641SAndroid Build Coastguard Worker const std::string& expected_data, 34*635a8641SAndroid Build Coastguard Worker bool* syscall_supported); 35*635a8641SAndroid Build Coastguard Worker 36*635a8641SAndroid Build Coastguard Worker // For a given process |pid|, look through all its threads and find the first 37*635a8641SAndroid Build Coastguard Worker // thread with /proc/[pid]/task/[thread_id]/status where NSpid matches |ns_tid|. 38*635a8641SAndroid Build Coastguard Worker // Returns the thread id or -1 on error. If |ns_pid_supported| is 39*635a8641SAndroid Build Coastguard Worker // set to false the kernel does not support NSpid in procfs. 40*635a8641SAndroid Build Coastguard Worker BASE_EXPORT pid_t FindThreadID(pid_t pid, pid_t ns_tid, bool* ns_pid_supported); 41*635a8641SAndroid Build Coastguard Worker 42*635a8641SAndroid Build Coastguard Worker } // namespace base 43*635a8641SAndroid Build Coastguard Worker 44*635a8641SAndroid Build Coastguard Worker #endif // BASE_LINUX_UTIL_H_ 45