| // Copyright 2012 The Chromium Authors |
| // 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 <stdint.h> |
| #include <sys/types.h> |
| |
| #include <string> |
| #include <vector> |
| |
| #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<pid_t>* 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_ |