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// Test for blocking read.
// Establish a connection.
0.000 socket(..., SOCK_STREAM, IPPROTO_TCP) = 3
0.000 setsockopt(3, SOL_SOCKET, SO_REUSEADDR, [1], 4) = 0
0.000 bind(3, ..., ...) = 0
0.000 listen(3, 1) = 0
0.100 < S 0:0(0) win 32792 <mss 1000,nop,wscale 7>
0.100 > S. 0:0(0) ack 1 <mss 1460,nop,wscale 6>
0.200 < . 1:1(0) ack 1 win 257
0.200 accept(3, ..., ...) = 4
0.200...0.300 read(4, ..., 2000) = 2000
0.300 < P. 1:2001(2000) ack 1 win 257
0.300 > . 1:1(0) ack 2001
0.400...0.500 read(4, ..., 2000) = 2000
0.500 < P. 2001:4001(2000) ack 1 win 257
0.500 > . 1:1(0) ack 4001
0.600 < P. 4001:6001(2000) ack 1 win 257
0.600 > . 1:1(0) ack 6001
0.600...0.600 read(4, ..., 1000) = 1000
0.600...0.600 read(4, ..., 1000) = 1000
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