On Mon, 2 Sep 2024 22:50:45 +0900 Takashi Yano wrote: > On Mon, 2 Sep 2024 14:48:35 +0200 (CEST) > Johannes Schindelin wrote: > > That would potentially be a remedy, but I would worry that this design > > takes a decidedly single-thread world-view. While that may be appropriate > > in the context of the scenario described in the bug report, it may very > > well be inappropriate for Cygwin in general. > > In the first place, it is obvious that multiple threads writing and > reading from the same pipe at the same time causes undefined behavior, > regardless of whether the pipe mode is toggled or not, isn't it?
As for the current implementation, raw_read() is protected by a mutex, so the results are somewhat predictable. However, raw_write() is not. Should we add write_mtx also for raw_write()? -- Takashi Yano <takashi.y...@nifty.ne.jp>