linux_util.h revision 3345a6884c488ff3a535c2c9acdd33d74b37e311
1// Copyright (c) 2010 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#pragma once
8
9#include <stdint.h>
10#include <sys/types.h>
11
12#include <string>
13
14namespace base {
15
16static const char kFindInodeSwitch[] = "--find-inode";
17
18// This is declared here so the crash reporter can access the memory directly
19// in compromised context without going through the standard library.
20extern char g_linux_distro[];
21
22// Get the Linux Distro if we can, or return "Unknown", similar to
23// GetWinVersion() in base/win_util.h.
24std::string GetLinuxDistro();
25
26// Set the Linux Distro string.
27void SetLinuxDistro(const std::string& distro);
28
29// Return the inode number for the UNIX domain socket |fd|.
30bool FileDescriptorGetInode(ino_t* inode_out, int fd);
31
32// Find the process which holds the given socket, named by inode number. If
33// multiple processes hold the socket, this function returns false.
34bool FindProcessHoldingSocket(pid_t* pid_out, ino_t socket_inode);
35
36// For a given process |pid|, look through all its threads and find the first
37// thread with /proc/[pid]/task/[thread_id]/syscall whose first N bytes matches
38// |expected_data|, where N is the length of |expected_data|.
39// Returns the thread id or -1 on error.
40pid_t FindThreadIDWithSyscall(pid_t pid, const std::string& expected_data);
41
42}  // namespace base
43
44#endif  // BASE_LINUX_UTIL_H_
45