est wrote: > On May 7, 5:12 am, MRAB <[EMAIL PROTECTED]> wrote: > >> On May 6, 9:51 am, Marc 'BlackJack' Rintsch <[EMAIL PROTECTED]> wrote:> In >> <[EMAIL PROTECTED]>, est wrote: >> >>>> I need to write a file using 3 threads simutaniously, e.g. Thread 1 >>>> write the first byte of test.bin with an "a", second thread write the >>>> second byte "b", third thread write the third byte "c". Anyone could >>>> give a little example on how to do that? >>>> >>> Simplest solution is: don't do that. Write from one thread and send the >>> date from the other threads via a `Queue.Queue` to the writing thread. >>> Send the number of the thread with the data so the writer thread knows in >>> which order the data has to be written. >>> >> [snip] >> Or have a `Queue.Queue` for each source thread and make the writer >> thread read from each in turn. >> > > > I'll try Queue.Queue, thank you. I didn't expect that multithread > write a file is so troublesome >
As a general rule, *ALL* multithread operations are at least that troublesome, and most are far more so. Pessimistically-yours, Gary Herron -- http://mail.python.org/mailman/listinfo/python-list
