Bad file descriptor cygwin

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Collectives on Stack Overflow. Learn more. Ncat "bad file descriptor" error upon client connection Ask Question. Asked 3 years, 7 months ago. Active 3 years, 7 months ago. Viewed 7k times. Extra Relevant? Bryce Bryce 1 1 silver badge 13 13 bronze badges. I'm having the same issue, but running nc instead seems to work fine. Can you give that a try? Add a comment. Active Oldest Votes. LandyLiu LandyLiu 2 2 silver badges 2 2 bronze badges. Questions about file descriptors.

My question is: Where did my stderr vanish? Below is a test script to illustrate a problem from a larger script I am writing. Semaphores and File Descriptors. What is the difference between a file descriptor and a semaphore?

My basic understanding is: - a file descriptor is a small positive integer that the system uses instead of the file name to identify an open file or socket. Hi, I speak and write english more or less, so I hope my asking be clear. Hi All, This thread is going to be a discussion basically bringing out more information from the experts on cron jobs and the associated file handles. So, here is the question.

There is definitely a constant ' n ' as the maximum number of file handles alloted to a process ' p '. Sockets and File descriptors. I am in a Systems programming class this semester, and our current project is to write a program utilizing sockets and fork. For the project, I decided to make my own instant messaging program.

I have the code completed, but I have a problem that keeps old clients from communicating with new File Descriptors. Hello all, A few questions on file descriptors Is the soft limit 64 represents the Marco Atzeri.

Post by Marco Atzeri On your cygcheck output I notice nothing strange. Only with several jobs running in parallel the same batch job is started in several cmd-shell windows independently we have these errors. The reason is obviously when by chance two processes try to access the same file at the same time which happens not often, but it happens. I assume access to local files is better synchronized by the CPU, whereas at the server there may arise these conflicts.

The major question is, what is the underlying access problem within Cygwin? As mentioned, the MS programs e.

Andrey Repin. Corinna Vinschen.