117 lines
2.3 KiB
C++
117 lines
2.3 KiB
C++
#include "thread.hpp"
|
|
#include "string.hpp"
|
|
#include "finally.hpp"
|
|
|
|
#include <TlHelp32.h>
|
|
|
|
namespace utils::thread
|
|
{
|
|
/*bool set_name(const HANDLE t, const std::string& name)
|
|
{
|
|
const nt::library kernel32("kernel32.dll");
|
|
if (!kernel32)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
const auto set_description = kernel32.get_proc<HRESULT(WINAPI*)(HANDLE, PCWSTR)>("SetThreadDescription");
|
|
if (!set_description)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
return SUCCEEDED(set_description(t, string::convert(name).data()));
|
|
}
|
|
|
|
bool set_name(const DWORD id, const std::string& name)
|
|
{
|
|
auto* const t = OpenThread(THREAD_SET_LIMITED_INFORMATION, FALSE, id);
|
|
if (!t) return false;
|
|
|
|
const auto _ = utils::finally([t]()
|
|
{
|
|
CloseHandle(t);
|
|
});
|
|
|
|
return set_name(t, name);
|
|
}
|
|
|
|
bool set_name(std::thread& t, const std::string& name)
|
|
{
|
|
return set_name(t.native_handle(), name);
|
|
}
|
|
|
|
bool set_name(const std::string& name)
|
|
{
|
|
return set_name(GetCurrentThread(), name);
|
|
}
|
|
*/
|
|
std::vector<DWORD> get_thread_ids()
|
|
{
|
|
nt::handle<INVALID_HANDLE_VALUE> h = CreateToolhelp32Snapshot(TH32CS_SNAPTHREAD, GetCurrentProcessId());
|
|
if (!h)
|
|
{
|
|
return {};
|
|
}
|
|
|
|
THREADENTRY32 entry{};
|
|
entry.dwSize = sizeof(entry);
|
|
if (!Thread32First(h, &entry))
|
|
{
|
|
return {};
|
|
}
|
|
|
|
std::vector<DWORD> ids{};
|
|
|
|
do
|
|
{
|
|
const auto check_size = entry.dwSize < FIELD_OFFSET(THREADENTRY32, th32OwnerProcessID)
|
|
+ sizeof(entry.th32OwnerProcessID);
|
|
entry.dwSize = sizeof(entry);
|
|
|
|
if (check_size && entry.th32OwnerProcessID == GetCurrentProcessId())
|
|
{
|
|
ids.emplace_back(entry.th32ThreadID);
|
|
}
|
|
} while (Thread32Next(h, &entry));
|
|
|
|
return ids;
|
|
}
|
|
|
|
void for_each_thread(const std::function<void(HANDLE)>& callback, const DWORD access)
|
|
{
|
|
const auto ids = get_thread_ids();
|
|
|
|
for (const auto& id : ids)
|
|
{
|
|
handle thread(id, access);
|
|
if (thread)
|
|
{
|
|
callback(thread);
|
|
}
|
|
}
|
|
}
|
|
|
|
void suspend_other_threads()
|
|
{
|
|
for_each_thread([](const HANDLE thread)
|
|
{
|
|
if (GetThreadId(thread) != GetCurrentThreadId())
|
|
{
|
|
SuspendThread(thread);
|
|
}
|
|
});
|
|
}
|
|
|
|
void resume_other_threads()
|
|
{
|
|
for_each_thread([](const HANDLE thread)
|
|
{
|
|
if (GetThreadId(thread) != GetCurrentThreadId())
|
|
{
|
|
ResumeThread(thread);
|
|
}
|
|
});
|
|
}
|
|
}
|