1SK_WAIT_DATA(9)                Linux Networking                SK_WAIT_DATA(9)
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NAME

6       sk_wait_data - wait for data to arrive at sk_receive_queue
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SYNOPSIS

9       int sk_wait_data(struct sock * sk, long * timeo);
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ARGUMENTS

12       sk
13           sock to wait on
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15       timeo
16           for how long
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DESCRIPTION

19       Now socket state including sk->sk_err is changed only under lock, hence
20       we may omit checks after joining wait queue. We check receive queue
21       before schedule only as optimization; it is very likely that
22       release_sock added new data.
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25Kernel Hackers Manual 2.6.         June 2019                   SK_WAIT_DATA(9)
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