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I want to pass Unix file descriptor from one local (same machine processes) process to another process. Which are the IPCs mechanism useful from below? 

PIPE/FIFO/Message Queue/ Shared Memory/ Socket / TLI / stream/ RPC**
Gert Arnold
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Mfef Ewf
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    [Can I share a file descriptor to another process on linux or are they local to the process?](http://stackoverflow.com/questions/2358684/) – masoud Mar 18 '13 at 08:18

1 Answers1

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The canonical way of passing a file descriptor from one process to the other is using Unix domain sockets, via the ancillary data of sendmsg and recvmsg.

cnicutar
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