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Introduce replacement for getting and setting thread name: (#4312)

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* 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.
This commit is contained in:
Howard Hinnant
2023-09-07 14:44:36 -04:00
committed by GitHub
parent 89780c8e4f
commit 36cb5f90e2
21 changed files with 208 additions and 207 deletions
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92
src/test/beast/beast_CurrentThreadName_test.cpp
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@@ -1,92 +0,0 @@
//------------------------------------------------------------------------------
/*
This file is part of rippled: https://github.com/ripple/rippled
Copyright (c) 2017 Ripple Labs Inc.
Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
//==============================================================================
#include <ripple/beast/core/CurrentThreadName.h>
#include <ripple/beast/unit_test.h>
#include <atomic>
#include <thread>
namespace ripple {
namespace test {
class CurrentThreadName_test : public beast::unit_test::suite
{
private:
static void
exerciseName(
std::string myName,
std::atomic<bool>* stop,
std::atomic<int>* state)
{
// Verify that upon creation a thread has no name.
auto const initialThreadName = beast::getCurrentThreadName();
// Set the new name.
beast::setCurrentThreadName(myName);
// Indicate to caller that the name is set.
*state = 1;
// If there is an initial thread name then we failed.
if (!initialThreadName.empty())
return;
// Wait until all threads have their names.
while (!*stop)
;
// Make sure the thread name that we set before is still there
// (not overwritten by, for instance, another thread).
if (beast::getCurrentThreadName() == myName)
*state = 2;
}
public:
void
run() override
{
// Make two different threads with two different names. Make sure
// that the expected thread names are still there when the thread
// exits.
std::atomic<bool> stop{false};
std::atomic<int> stateA{0};
std::thread tA(exerciseName, "tA", &stop, &stateA);
std::atomic<int> stateB{0};
std::thread tB(exerciseName, "tB", &stop, &stateB);
// Wait until both threads have set their names.
while (stateA == 0 || stateB == 0)
;
stop = true;
tA.join();
tB.join();
// Both threads should still have the expected name when they exit.
BEAST_EXPECT(stateA == 2);
BEAST_EXPECT(stateB == 2);
}
};
BEAST_DEFINE_TESTSUITE(CurrentThreadName, core, beast);
} // namespace test
} // namespace ripple