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Re: SIGPOLL and named pipes
Christopher Faylor wrote:
> On Sun, Aug 24, 2008 at 01:47:56PM +0200, Thomas Maier-Komor wrote:
>> I don't get SIGPOLL on Cygwin in a software that runs fine on Linux and
>> Solaris. Is there a known issue concerning SIGPOLL and named pipes.
>
> SIGPOLL (aka SIGIO) is not implemented in Cygwin.
>
>> Additionally, there seem to be a bug in Cygwin concerning the
>> concatenation of data written to a named pipe. If I open the named
>> pipe a second time with O_WRONLY, to make sure that there is always one
>> valid open input to the named pipe, the data written to the pipe from
>> different processes doesn't get concatenated and I have to close and
>> reopen the named pipe. This is in contrast to the behavior in Linux
>> and Solaris, and POSIX semantics.
>
> Named pipes in Cygwin 1.5.25 are only partially implemented. They
> should work better in 1.7.x.
>
> cgf
>
OK, thanks for the information. Do you know when 1.7 is planned to be
released?
- Thomas
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