SOCU:fcntl

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Request

Index Word Description
0 Header code [0x001300C2]
1 Socket descriptor
2 int cmd
3 arg
4 Value 0x20 (processID header)
5 ProcessID set by the ARM11 kernel.

Response

Index Word Description
0 Header code
1 Result code
2 POSIX return value

Description

The input cmd must be either F_GETFL(3)/F_SETFL(4), otherwise an error is returned. For fd-flags, O_NONBLOCK is bitmask value 0x4.

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