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getsockopt and truss output

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achit

achit

Technical User
May 23, 2003
8
GB
Hello,

I know the fact that the function setsockopt accepts five variables...
setsockopt(int s, int level, int optname, const void *optval, int optlen)

But when I use truss command, the output always includes an additional value like...
setsockopt(4, 65535, 8192, 0xFFBEE738, 4, 114)

Has anyone got any clue what the last value is? Where is it from?

It seems to be that when I get the last value as a negative number, I've got the problem with 100% CPU.

getsockopt(4, 65535, 8192, 0xFFBEDC20, 0xFFBEDC1C, -4301840) = 0
setsockopt(4, 65535, 8192, 0xFFBEDC20, 4, -4301840) = 0

Thanks in advance for all comments
 
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