On Feb 6 20:52, Steven Monai wrote: > Hi folks, > > Here is a short test case I've named "fifo-read.c": > [...] > Here's what happens at the command line: > > $ uname -a > CYGWIN_NT-5.1 lonestar 1.7.1(0.218/5/3) 2009-12-07 11:48 i686 Cygwin > > $ gcc-4 -Wall -Werror -ansi -pedantic -o fifo-read fifo-read.c > > $ mkfifo -m0600 myfifo > > $ ls -l > total 29 > -rw-r--r--+ 1 steve None 939 2010-02-06 20:25 fifo-read.c > -rwxr-xr-x+ 1 steve None 22792 2010-02-06 20:25 fifo-read.exe > prw------- 1 steve None 0 2010-02-06 20:25 myfifo > > $ ./fifo-read > About to enter poll() > Segmentation fault (core dumped) > > > If I change the timeout to a positive number, it also segfaults. > > If I change the timeout to zero, it works, but poll() returns > immediately with no descriptor ready to read. Not very useful. > > I get identical results on two different machines, with two different > OSes (XP and 2000). Can anyone else reproduce this? Am I using poll() > incorrectly?
Can you check with the latest snapshot from http://cygwin.com/snapshots, please? I can not reproduce the above crash with your test application when using Cygwin from CVS, neither on XP, nor on Windows 7. Corinna -- Corinna Vinschen Please, send mails regarding Cygwin to Cygwin Project Co-Leader cygwin AT cygwin DOT com Red Hat -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
