Message8664

Windows does support os.pipe, but apparently this is only useful for threads communicating in the *same* process.

However, the normal usage is with os.fork, which we cannot support on the JVM until the JVM itself supports such forking. (Something that has been advocated for Java 9.) So this makes supporting os.pipe very low priority.

With this analysis, I'm going to put this in "postponed" because the use case is so narrow and there are much better communication mechanisms. However, a pure Python patch that implements this in terms of StringIO is probably the right way to do it (see _socket._fileobject, not certain if there's something we could use that's more direct)