thread和openthread
时间: 2023-08-28 11:07:37 浏览: 64
Thread和OpenThread是与线程相关的概念和库。
Thread是一个纯虚类,需要子类重写run方法,提供线程运行的函数入口地址。例如,可以创建一个继承自Thread类的MyThread类,并在其中重写run方法,实现自定义的线程运行逻辑。在run方法中,可以通过循环等方式实现需要在线程中执行的任务。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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相关问题
qt openthread如何获取所有节点的ip
要获取所有节点的IP地址,首先需要使用OpenThread API获取网络中的设备列表。一旦你得到了设备列表,你就可以使用Qt的网络模块来获取每个设备的IP地址。以下是一个简单的示例程序:
```c++
#include <QCoreApplication>
#include <QNetworkInterface>
#include <openthread/ip6.h>
#include <openthread/thread.h>
int main(int argc, char *argv[])
{
QCoreApplication a(argc, argv);
otInstance *instance = otInstanceInitSingle();
if (instance == NULL)
{
qFatal("Failed to initialize OpenThread instance");
}
otError error;
otDeviceRole role = otThreadGetDeviceRole(instance);
if (role == OT_DEVICE_ROLE_DISABLED)
{
qFatal("OpenThread instance is disabled");
}
otDeviceId deviceId;
error = otThreadGetDeviceId(instance, &deviceId);
if (error != OT_ERROR_NONE)
{
qFatal("Failed to get OpenThread device ID: %d", error);
}
otNetifAddress *address = otIp6GetUnicastAddresses(instance);
while (address != NULL)
{
QString ip = QString::fromUtf8(otIp6GetAddressAsString(address));
qDebug() << "OpenThread IP address:" << ip;
address = otIp6GetNextAddress(address);
}
QList<QNetworkInterface> interfaces = QNetworkInterface::allInterfaces();
for (const QNetworkInterface &interface : interfaces)
{
if (!interface.isValid() || (interface.flags() & QNetworkInterface::IsLoopBack))
{
continue;
}
QList<QNetworkAddressEntry> entries = interface.addressEntries();
for (const QNetworkAddressEntry &entry : entries)
{
QString ip = entry.ip().toString();
qDebug() << "Qt IP address:" << ip;
}
}
return a.exec();
}
```
在这个示例程序中,我们首先初始化了一个OpenThread实例,并使用OpenThread API获取了设备ID和IP地址。然后,我们使用Qt的网络模块来获取所有接口的IP地址。注意,我们在获取Qt的IP地址时,跳过了回环接口和无效接口。
这个程序将打印出所有的OpenThread IP地址和Qt IP地址。你可以根据自己的需要对它进行修改。
.版本 2 .子程序 清空调试器 .局部变量 sHandle, 整数型 .局部变量 lpTe, THREADENTRY32 .局部变量 Found, 整数型 .局部变量 ret, 整数型 .局部变量 sThread, 整数型 .局部变量 tFound, 整数型 .局部变量 当前线程ID, 整数型 .局部变量 Context, ConTEXT .局部变量 l_线程句柄, 整数型 当前线程ID = GetCurrentThreadId () sThread = CreateToolhelp32Snapshot (#TH32CS_SNAPTHREAD, 0) lpTe.dwSize = 28 tFound = Thread32First (sThread, lpTe) .判断循环首 (tFound ≠ 0) .如果真 (lpTe.th32OwnerProcessID = 进程_取自进程ID ()) Context.ContextFlags = 位或 (65543, 65552) .如果真 (lpTe.th32ThreadID ≠ 当前线程ID) l_线程句柄 = OpenThread (#THREAD_ALL_ACCESS, 0, lpTe.th32ThreadID) SuspendThread (l_线程句柄) GetThreadContext (l_线程句柄, Context) Context.Dr0 = 0 Context.Dr1 = 0 Context.Dr2 = 0 Context.Dr3 = 0 Context.Dr7 = 0 SetThreadContext (l_线程句柄, Context) ResumeThread (l_线程句柄) CloseHandle (l_线程句柄) .如果真结束 .如果真结束 tFound = Thread32Next (sThread, lpTe) .判断循环尾 () CloseHandle (sThread) 写成c++代码
#include <windows.h>
#include <tlhelp32.h>
void ClearDebugger()
{
HANDLE sThread, l_线程句柄;
THREADENTRY32 lpTe;
BOOL Found, tFound;
DWORD ret, sHandle, sThreadID, 当前线程ID;
CONTEXT Context;
当前线程ID = GetCurrentThreadId();
sThread = CreateToolhelp32Snapshot(TH32CS_SNAPTHREAD, 0);
lpTe.dwSize = sizeof(lpTe);
tFound = Thread32First(sThread, &lpTe);
while (tFound != FALSE)
{
if (lpTe.th32OwnerProcessID == GetCurrentProcessId())
{
Context.ContextFlags = CONTEXT_DEBUG_REGISTERS;
if (lpTe.th32ThreadID != 当前线程ID)
{
l_线程句柄 = OpenThread(THREAD_ALL_ACCESS, 0, lpTe.th32ThreadID);
SuspendThread(l_线程句柄);
GetThreadContext(l_线程句柄, &Context);
Context.Dr0 = 0;
Context.Dr1 = 0;
Context.Dr2 = 0;
Context.Dr3 = 0;
Context.Dr7 = 0;
SetThreadContext(l_线程句柄, &Context);
ResumeThread(l_线程句柄);
CloseHandle(l_线程句柄);
}
}
tFound = Thread32Next(sThread, &lpTe);
}
CloseHandle(sThread);
}