Also note that both condition variables use the same mutex.
还要注意，两个条件变量使用相同的互斥锁。
That's precisely what POSIX condition variables can do for you!
这正是POSIX条件变量能做的事！
Now, the push method doesn't depend on any condition variables, so no extra waiting there.
push方法不依赖于任何条件变量，所以没有额外的等待。
The recommended method is to use condition variables-that is, variables of type pthread_cond_t.
推荐的方法是使用条件变量—即pthread_cond _ t类型的变量。
And POSIX condition variables are the subject of my next article, where I'll show you exactly how to use them.
而POSIX条件变量将是我下一篇文章的主题，其中将说明如何正确使用条件变量。
UPD: with condition variables you can control the order of tasks execution within multithreading environment.
更新：有条件变量可以控制在多线程环境中任务的执行顺序。
The threading module does provide many synchronization primatives, including semaphores, condition variables, events, and locks.
线程模块提供了许多同步原语，包括信号量、条件变量、事件和锁。
The first thing of note in Listing 13 and Listing 14 is that there are two condition variables instead of the one that the blocking queue had.
对于清单13和清单14，要注意的第一点是，这个阻塞队列有两个条件变量而不是一个。
To that end, the threading module provides a number of synchronization primitives including locks, events, condition variables, and semaphores.
为了达到那个目的，线程模块提供了许多同步化的原生支持，包括：锁，事件，条件变量和信号灯。
Condition variables allow threads to synchronize to a value of a Shared resource.
条件变量允许线程按照共享资源的一个值同步。
Condition variables provide a kind of notification system among threads (Nichols 79).
状态变量在线程中提供一种提示系统(Nichols 79)。
Condition variables provide a kind of notification system among threads (Nichols 79).
状态变量在线程中提供一种提示系统(Nichols 79)。
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