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