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8d63153689
* In namespace ripple, introduces get_name function that takes a
std:🧵:native_handle_type and returns a std::string.
* In namespace ripple, introduces get_name function that takes a
std::thread or std::jthread and returns a std::string.
* In namespace ripple::this_thread, introduces get_name function
that takes no parameters and returns the name of the current
thread as a std::string.
* In namespace ripple::this_thread, introduces set_name function
that takes a std::string_view and sets the name of the current
thread.
* Intended to replace the beast utilities setCurrentThreadName
and getCurrentThreadName.
141 lines
3.2 KiB
C++
141 lines
3.2 KiB
C++
//------------------------------------------------------------------------------
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/*
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This file is part of rippled: https://github.com/ripple/rippled
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Copyright (c) 2022 Ripple Labs Inc.
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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//==============================================================================
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#include <ripple/basics/ThreadUtilities.h>
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#include <stdexcept>
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namespace ripple {
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#ifdef __APPLE__
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#include <pthread.h>
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std::string
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get_name(std::thread::native_handle_type t)
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{
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char buffer[64];
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if (pthread_getname_np(t, buffer, sizeof(buffer)) != 0)
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throw std::runtime_error("get_name failed\n");
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return buffer;
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}
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namespace this_thread {
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std::string
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get_name()
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{
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return ripple::get_name(pthread_self());
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}
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void
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set_name(std::string s)
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{
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s.resize(15);
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if (pthread_setname_np(s.data()) != 0)
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throw std::runtime_error("this_thread::set_name failed\n");
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}
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} // namespace this_thread
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#endif // __APPLE__
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#ifdef __linux__
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#include <pthread.h>
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std::string
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get_name(std::thread::native_handle_type t)
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{
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char buffer[64];
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if (pthread_getname_np(t, buffer, sizeof(buffer)) != 0)
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throw std::runtime_error("get_name failed\n");
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return buffer;
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}
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namespace this_thread {
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std::string
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get_name()
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{
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return ripple::get_name(pthread_self());
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}
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void
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set_name(std::string s)
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{
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s.resize(15);
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if (pthread_setname_np(pthread_self(), s.data()) != 0)
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throw std::runtime_error("this_thread::set_name failed\n");
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}
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} // namespace this_thread
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#endif // __linux__
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#ifdef _WIN64
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#define WIN32_LEAN_AND_MEAN
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#include <memory>
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#include <processthreadsapi.h>
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#include <windows.h>
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std::string
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get_name(std::thread::native_handle_type t)
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{
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wchar_t* unhandled_data{};
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HRESULT r = GetThreadDescription(t, &unhandled_data);
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std::unique_ptr<wchar_t, HLOCAL (*)(HLOCAL)> data{
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unhandled_data, LocalFree};
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if (FAILED(r))
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throw std::runtime_error("get_name failed\n");
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std::string s;
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auto p = data.get();
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while (*p)
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s.push_back(static_cast<char>(*p++));
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return s;
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}
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namespace this_thread {
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std::string
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get_name()
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{
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return ripple::get_name(GetCurrentThread());
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}
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void
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set_name(std::string s)
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{
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assert(s.size() <= 15);
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s.resize(15);
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std::wstring ws;
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for (auto c : s)
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ws += c;
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HRESULT r = SetThreadDescription(GetCurrentThread(), ws.data());
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if (FAILED(r))
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throw std::runtime_error("this_thread::set_name failed\n");
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}
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} // namespace this_thread
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#endif // __WINDOWS__
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} // namespace ripple
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