On 3/15/07, Darren Garvey wrote:

On 16/03/07, Meryl Silverburgh wrote:

...

Hi,

If I create a boost::thread like this:

boost::thread thrd1(&reader);

1. how can I sleep inside the thread? (in the method 'reader')

I don't know of any portable way to sleep/pause the function. One (perhaps unhelpful) option could be std:: cin.get()? This would pause the thread until you hit the keyboard, although I'm unsure if any locking issues arise here (I don't _think_ they would).

Thanks. I am looking for something which I can sleep the current thread for 5 seconds.

...

2. when does the thread 'thrd1' terminate?

thrd1 terminates when reader() returns.

hth, Darren

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Pedro Lamarão wrote:

You can block a thread by trying to lock an already locked mutex.

If you must wake the thread when a certain condition is met by the program, just release the lock when the condition is met.

No, never do that. A mutex is not a waiting primitive, it's a serialization primitive. Use condition::wait to wait for something.