e4622aaecc
The methodology used to generate this CL is documented in https://crbug.com/1098010#c34. An earlier version of this CL, https://crrev.com/c/3879904, was reverted due to an issue that was resolved with https://crrev.com/c/3881211. No-Try: true Bug: 1098010 Change-Id: Ibd6ffb97e66835bc299fe7b85876c3e2927b2345 Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3883841 Auto-Submit: Avi Drissman <avi@chromium.org> Owners-Override: Avi Drissman <avi@chromium.org> Reviewed-by: Mark Mentovai <mark@chromium.org> Commit-Queue: Mark Mentovai <mark@chromium.org> Cr-Commit-Position: refs/heads/main@{#1044747}
58 lines
2.1 KiB
C++
58 lines
2.1 KiB
C++
// Copyright 2012 The Chromium Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef BASE_LINUX_UTIL_H_
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#define BASE_LINUX_UTIL_H_
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#include <stdint.h>
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#include <sys/types.h>
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#include <string>
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#include <vector>
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#include "base/base_export.h"
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namespace base {
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// This is declared here so the crash reporter can access the memory directly
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// in compromised context without going through the standard library.
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BASE_EXPORT extern char g_linux_distro[];
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// Get the Linux Distro if we can, or return "Unknown".
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BASE_EXPORT std::string GetLinuxDistro();
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#if defined(UNIT_TEST)
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// Get the value of given key from the given input (content of the
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// /etc/os-release file. Exposed for testing.
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BASE_EXPORT std::string GetKeyValueFromOSReleaseFileForTesting(
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const std::string& input,
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const char* key);
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#endif // defined(UNIT_TEST)
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// Set the Linux Distro string.
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BASE_EXPORT void SetLinuxDistro(const std::string& distro);
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// For a given process |pid|, get a list of all its threads. On success, returns
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// true and appends the list of threads to |tids|. Otherwise, returns false.
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BASE_EXPORT bool GetThreadsForProcess(pid_t pid, std::vector<pid_t>* tids);
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// For a given process |pid|, look through all its threads and find the first
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// thread with /proc/[pid]/task/[thread_id]/syscall whose first N bytes matches
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// |expected_data|, where N is the length of |expected_data|.
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// Returns the thread id or -1 on error. If |syscall_supported| is
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// set to false the kernel does not support syscall in procfs.
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BASE_EXPORT pid_t FindThreadIDWithSyscall(pid_t pid,
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const std::string& expected_data,
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bool* syscall_supported);
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// For a given process |pid|, look through all its threads and find the first
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// thread with /proc/[pid]/task/[thread_id]/status where NSpid matches |ns_tid|.
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// Returns the thread id or -1 on error. If |ns_pid_supported| is
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// set to false the kernel does not support NSpid in procfs.
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BASE_EXPORT pid_t FindThreadID(pid_t pid, pid_t ns_tid, bool* ns_pid_supported);
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} // namespace base
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#endif // BASE_LINUX_UTIL_H_
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