// Copyright (c) 2012 The Chromium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #ifndef BASE_LINUX_UTIL_H_ #define BASE_LINUX_UTIL_H_ #include #include #include #include #include "base/base_export.h" namespace base { // This is declared here so the crash reporter can access the memory directly // in compromised context without going through the standard library. BASE_EXPORT extern char g_linux_distro[]; // Get the Linux Distro if we can, or return "Unknown". BASE_EXPORT std::string GetLinuxDistro(); #if defined(UNIT_TEST) // Get the value of given key from the given input (content of the // /etc/os-release file. Exposed for testing. BASE_EXPORT std::string GetKeyValueFromOSReleaseFileForTesting( const std::string& input, const char* key); #endif // defined(UNIT_TEST) // Set the Linux Distro string. BASE_EXPORT void SetLinuxDistro(const std::string& distro); // For a given process |pid|, get a list of all its threads. On success, returns // true and appends the list of threads to |tids|. Otherwise, returns false. BASE_EXPORT bool GetThreadsForProcess(pid_t pid, std::vector* tids); // For a given process |pid|, look through all its threads and find the first // thread with /proc/[pid]/task/[thread_id]/syscall whose first N bytes matches // |expected_data|, where N is the length of |expected_data|. // Returns the thread id or -1 on error. If |syscall_supported| is // set to false the kernel does not support syscall in procfs. BASE_EXPORT pid_t FindThreadIDWithSyscall(pid_t pid, const std::string& expected_data, bool* syscall_supported); // For a given process |pid|, look through all its threads and find the first // thread with /proc/[pid]/task/[thread_id]/status where NSpid matches |ns_tid|. // Returns the thread id or -1 on error. If |ns_pid_supported| is // set to false the kernel does not support NSpid in procfs. BASE_EXPORT pid_t FindThreadID(pid_t pid, pid_t ns_tid, bool* ns_pid_supported); } // namespace base #endif // BASE_LINUX_UTIL_H_