boost::this_thread

boost::this_thread is a utility class defined in the Boost C++ library that allows the programmer to interact with the current thread of execution. It provides a set of static member functions that allow the programmer to:

1. Sleep the current thread for a specified amount of time
2. Yield the current thread to allow other threads to run
3. Get the ID of the current thread
4. Terminate the current thread of execution

Using boost::this_thread, the programmer can control the behavior of the current thread and coordinate with other threads in the system. This can be useful in a variety of applications, including concurrent programming, multi-threaded simulations, and real-time systems.

相关问题

boost::this_thread::sleep(boost::posix_time::microseconds(10000));

这段代码是用于让当前线程休眠10毫秒，使用了Boost库中的线程工具函数。具体来说，boost::posix_time::microseconds(10000)是用于创建一个10毫秒的时间间隔，然后传递给boost::this_thread::sleep函数，让当前线程休眠这段时间。这段代码通常用于需要让线程暂停一段时间的场景，比如避免线程占用过多CPU资源等。

error: ‘boost::this_thread’ has not been declared

错误信息显示'boost::this_thread'未被声明，这可能是由于缺少必要的头文件或库文件引起的。在使用boost库的多线程功能时，需要包含相应的头文件并链接相应的库文件。

请确保你已经正确包含了以下头文件：

#include <boost/thread.hpp>

并且在链接时添加了正确的库文件，例如在编译时添加了`-lboost_thread`选项。

如果你已经正确包含了头文件和链接了库文件，但仍然遇到此错误，请确保你的Boost版本与你所使用的PCL版本兼容，并检查编译器设置和编译环境是否正确配置。