| // 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" |
| |
| namespacebase{ |
| |
| // This is declared here so the crash reporter can access the memory directly |
| // in compromised context without going through the standard library. |
| BASE_EXPORTexternchar g_linux_distro[]; |
| |
| // Get the Linux Distro if we can, or return "Unknown". |
| BASE_EXPORT std::stringGetLinuxDistro(); |
| |
| #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::stringGetKeyValueFromOSReleaseFileForTesting( |
| const std::string& input, |
| constchar* key); |
| #endif// defined(UNIT_TEST) |
| |
| // Set the Linux Distro string. |
| BASE_EXPORTvoidSetLinuxDistro(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_EXPORTboolGetThreadsForProcess(pid_t pid, std::vector<pid_t>* tids); |
| |
| // Get a list of all threads for the current process. On success, returns true |
| // and appends the list of threads to |tids|. Otherwise, returns false. |
| // Unlike the function above, this function reads /proc/self/tasks, not |
| // /proc/<pid>/tasks. On Android, the former should always be accessible to |
| // GPU and Browser processes, while the latter may or may not be accessible |
| // depending on the system and the app configuration. |
| BASE_EXPORTboolGetThreadsForCurrentProcess(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_EXPORTpid_tFindThreadIDWithSyscall(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_EXPORTpid_tFindThreadID(pid_t pid,pid_t ns_tid,bool* ns_pid_supported); |
| |
| }// namespace base |
| |
| #endif// BASE_LINUX_UTIL_H_ |
