This is the mail archive of the cygwin mailing list for the Cygwin project.

Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: select() and named pipes

On Sun, Feb 14, 2010 at 08:54:27PM -0500, Christopher Faylor wrote:

> I just checked in YA in my series of attempts to get this working right.
> It will behave marginally better now but there are still problems if you
> attempt to write to a fifo before anything is reading it and then try to
> do a non-blocking read.

Thank you for your efforts. It indeed works better with the 2010-02-15

In order to help you pinpointing another glitch, I attach here a slightly
slightly modified version of the original test case and a shell script.
Launching the program in a terminal and then the shell script in another
one, it seems that the program hangs on the write() call.
Apparently, the problem is the O_RDWR flag, as replacing it with O_WRONLY,
everything works. The test case works with O_RDWR both in cygwin 1.5 and


Attachment: fifotest.c
Description: Text document

Description: Bourne shell script

Problem reports:
Unsubscribe info:

Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]