[zeromq-dev] Oddities when working with Cygwin environment

gonzalo diethelm gdiethelm at dcv.cl
Wed May 15 18:26:56 CEST 2013

I have been doing some development of 0mq-based C (console) applications in cygwin, and there are two oddities that I would like to comment on. I would like to know if anybody else sees these issues:

1.       Behavior of Control-C: for certain operations (I believe mostly when calling zmq_recv()), Control-C does not abort the operation. The only way to exit the application is killing the process. I am properly handling the return value of zmq_recv().

2.       This may have nothing to do with 0mq proper, but sometimes I get the message "fatal error - cygheap base mismatch detected" when running my application. Right after that, I re-run it and it works ok.

My environment is:

*         Windows 7 64 bit (all patches applied as of today).

*         Cygwin 1.7.18(0.263/5/3) (updated yesterday, with gcc 4.5.3).

*         0mq 3.3.0 (cloned from github yesterday) compiled with Visual C++ 2010 Express.

Thanks for any hints,

Gonzalo Diethelm
DCV Chile

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