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Questions - recvfrom

UDP server consuming high CPU

I am observing high CPU usage in my UDP server implementation which runs an infinite loop expecting 15 1.5KB packets every milliseconds. It looks like below: struct RecvContext { enum { BufferSiz...
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Sayantan Ghosh

sockets

server

udp

overlapped-io

recvfrom

Votes: 0

Answers: 1

Latest Answer

You've chosen about the most inefficient combination of mechanisms imaginable. Why use overlapped I/O if you're only going to pend one operation and then wait for it complete? Why use an event, whic...
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David Schwartz

recvfrom returning errno 14 in debug mode with GDB

I have a code something like this. where recvfrom works fine if i run the code normally. but when i run the code with GDB, recvfrom doesn't wait for 2 seconds and instantly throwing errno 14. == char ...
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pgoyal

sockets

recvfrom

Votes: 0

Answers: 1

Latest Answer

looks like there is an error with the size of msg i was passing with recvfrom but it was weird that one version of gdb and and even compiler was hiding this error. This error was visible only with old...
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pgoyal

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