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SK_WAIT_DATA(9) | Linux Networking | SK_WAIT_DATA(9) |
NAME¶
sk_wait_data - wait for data to arrive at sk_receive_queueSYNOPSIS¶
int
sk_wait_data(struct sock * sk,
long * timeo);
ARGUMENTS¶
sksock to wait on
timeo
for how long
DESCRIPTION¶
Now socket state including sk->sk_err is changed only under lock, hence we may omit checks after joining wait queue. We check receive queue before schedule only as optimization; it is very likely that release_sock added new data.COPYRIGHT¶
March 2016 | Kernel Hackers Manual 3.2. |