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To share fd between parent and child

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# 1  
Old 10-20-2010
To share fd between parent and child
i used function fork().
so i made two process.
parent process accepted socket fd and writing to shared memory.
then now. how can child process share parent's socket fd?
is this possible?


Thanks in advance
# 2  
Old 10-20-2010
The child inherits all the parent fd, a wonderfully powerful feature even in shell programming, but there is an fcntl flag that closes fd on exec*(), if that is also on your mind. I will google it for you, ging, first hit is good:

open fd close on exec - Google Search
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