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
15namespace 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.
19BASE_EXPORT extern char g_linux_distro[];
20
21// Get the Linux Distro if we can, or return "Unknown".
22BASE_EXPORT std::string GetLinuxDistro();
23
24// Set the Linux Distro string.
25BASE_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.
32BASE_EXPORT pid_t FindThreadIDWithSyscall(pid_t pid,
33                                          const std::string& expected_data,
34                                          bool* syscall_supported);
35
36}  // namespace base
37
38#endif  // BASE_LINUX_UTIL_H_
39