213 lines
6.7 KiB
C++
213 lines
6.7 KiB
C++
// Copyright 2018 The gVisor Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <errno.h>
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#include <fcntl.h>
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#include <sys/socket.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include "gtest/gtest.h"
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#include "test/syscalls/linux/readv_common.h"
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#include "test/util/test_util.h"
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namespace gvisor {
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namespace testing {
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namespace {
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class ReadvSocketTest : public ::testing::Test {
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public:
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void SetUp() override {
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test_unix_stream_socket_[0] = -1;
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test_unix_stream_socket_[1] = -1;
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test_unix_dgram_socket_[0] = -1;
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test_unix_dgram_socket_[1] = -1;
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test_unix_seqpacket_socket_[0] = -1;
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test_unix_seqpacket_socket_[1] = -1;
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ASSERT_THAT(socketpair(AF_UNIX, SOCK_STREAM, 0, test_unix_stream_socket_),
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SyscallSucceeds());
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ASSERT_THAT(fcntl(test_unix_stream_socket_[0], F_SETFL, O_NONBLOCK),
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SyscallSucceeds());
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ASSERT_THAT(socketpair(AF_UNIX, SOCK_DGRAM, 0, test_unix_dgram_socket_),
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SyscallSucceeds());
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ASSERT_THAT(fcntl(test_unix_dgram_socket_[0], F_SETFL, O_NONBLOCK),
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SyscallSucceeds());
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ASSERT_THAT(
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socketpair(AF_UNIX, SOCK_SEQPACKET, 0, test_unix_seqpacket_socket_),
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SyscallSucceeds());
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ASSERT_THAT(fcntl(test_unix_seqpacket_socket_[0], F_SETFL, O_NONBLOCK),
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SyscallSucceeds());
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ASSERT_THAT(
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write(test_unix_stream_socket_[1], kReadvTestData, kReadvTestDataSize),
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SyscallSucceedsWithValue(kReadvTestDataSize));
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ASSERT_THAT(
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write(test_unix_dgram_socket_[1], kReadvTestData, kReadvTestDataSize),
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SyscallSucceedsWithValue(kReadvTestDataSize));
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ASSERT_THAT(write(test_unix_seqpacket_socket_[1], kReadvTestData,
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kReadvTestDataSize),
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SyscallSucceedsWithValue(kReadvTestDataSize));
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}
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void TearDown() override {
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close(test_unix_stream_socket_[0]);
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close(test_unix_stream_socket_[1]);
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close(test_unix_dgram_socket_[0]);
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close(test_unix_dgram_socket_[1]);
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close(test_unix_seqpacket_socket_[0]);
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close(test_unix_seqpacket_socket_[1]);
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}
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int test_unix_stream_socket_[2];
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int test_unix_dgram_socket_[2];
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int test_unix_seqpacket_socket_[2];
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};
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TEST_F(ReadvSocketTest, ReadOneBufferPerByte_StreamSocket) {
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ReadOneBufferPerByte(test_unix_stream_socket_[0]);
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}
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TEST_F(ReadvSocketTest, ReadOneBufferPerByte_DgramSocket) {
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ReadOneBufferPerByte(test_unix_dgram_socket_[0]);
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}
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TEST_F(ReadvSocketTest, ReadOneBufferPerByte_SeqPacketSocket) {
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ReadOneBufferPerByte(test_unix_seqpacket_socket_[0]);
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}
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TEST_F(ReadvSocketTest, ReadOneHalfAtATime_StreamSocket) {
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ReadOneHalfAtATime(test_unix_stream_socket_[0]);
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}
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TEST_F(ReadvSocketTest, ReadOneHalfAtATime_DgramSocket) {
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ReadOneHalfAtATime(test_unix_dgram_socket_[0]);
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}
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TEST_F(ReadvSocketTest, ReadAllOneBuffer_StreamSocket) {
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ReadAllOneBuffer(test_unix_stream_socket_[0]);
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}
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TEST_F(ReadvSocketTest, ReadAllOneBuffer_DgramSocket) {
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ReadAllOneBuffer(test_unix_dgram_socket_[0]);
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}
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TEST_F(ReadvSocketTest, ReadAllOneLargeBuffer_StreamSocket) {
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ReadAllOneLargeBuffer(test_unix_stream_socket_[0]);
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}
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TEST_F(ReadvSocketTest, ReadAllOneLargeBuffer_DgramSocket) {
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ReadAllOneLargeBuffer(test_unix_dgram_socket_[0]);
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}
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TEST_F(ReadvSocketTest, ReadBuffersOverlapping_StreamSocket) {
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ReadBuffersOverlapping(test_unix_stream_socket_[0]);
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}
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TEST_F(ReadvSocketTest, ReadBuffersOverlapping_DgramSocket) {
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ReadBuffersOverlapping(test_unix_dgram_socket_[0]);
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}
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TEST_F(ReadvSocketTest, ReadBuffersDiscontinuous_StreamSocket) {
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ReadBuffersDiscontinuous(test_unix_stream_socket_[0]);
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}
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TEST_F(ReadvSocketTest, ReadBuffersDiscontinuous_DgramSocket) {
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ReadBuffersDiscontinuous(test_unix_dgram_socket_[0]);
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}
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TEST_F(ReadvSocketTest, ReadIovecsCompletelyFilled_StreamSocket) {
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ReadIovecsCompletelyFilled(test_unix_stream_socket_[0]);
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}
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TEST_F(ReadvSocketTest, ReadIovecsCompletelyFilled_DgramSocket) {
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ReadIovecsCompletelyFilled(test_unix_dgram_socket_[0]);
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}
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TEST_F(ReadvSocketTest, BadIovecsPointer_StreamSocket) {
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ASSERT_THAT(readv(test_unix_stream_socket_[0], nullptr, 1),
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SyscallFailsWithErrno(EFAULT));
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}
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TEST_F(ReadvSocketTest, BadIovecsPointer_DgramSocket) {
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ASSERT_THAT(readv(test_unix_dgram_socket_[0], nullptr, 1),
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SyscallFailsWithErrno(EFAULT));
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}
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TEST_F(ReadvSocketTest, BadIovecBase_StreamSocket) {
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struct iovec iov[1];
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iov[0].iov_base = nullptr;
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iov[0].iov_len = 1024;
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ASSERT_THAT(readv(test_unix_stream_socket_[0], iov, 1),
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SyscallFailsWithErrno(EFAULT));
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}
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TEST_F(ReadvSocketTest, BadIovecBase_DgramSocket) {
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struct iovec iov[1];
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iov[0].iov_base = nullptr;
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iov[0].iov_len = 1024;
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ASSERT_THAT(readv(test_unix_dgram_socket_[0], iov, 1),
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SyscallFailsWithErrno(EFAULT));
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}
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TEST_F(ReadvSocketTest, ZeroIovecs_StreamSocket) {
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struct iovec iov[1];
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iov[0].iov_base = 0;
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iov[0].iov_len = 0;
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ASSERT_THAT(readv(test_unix_stream_socket_[0], iov, 1), SyscallSucceeds());
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}
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TEST_F(ReadvSocketTest, ZeroIovecs_DgramSocket) {
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struct iovec iov[1];
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iov[0].iov_base = 0;
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iov[0].iov_len = 0;
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ASSERT_THAT(readv(test_unix_dgram_socket_[0], iov, 1), SyscallSucceeds());
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}
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TEST_F(ReadvSocketTest, WouldBlock_StreamSocket) {
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struct iovec iov[1];
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iov[0].iov_base = reinterpret_cast<char*>(malloc(kReadvTestDataSize));
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iov[0].iov_len = kReadvTestDataSize;
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ASSERT_THAT(readv(test_unix_stream_socket_[0], iov, 1),
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SyscallSucceedsWithValue(kReadvTestDataSize));
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free(iov[0].iov_base);
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iov[0].iov_base = reinterpret_cast<char*>(malloc(kReadvTestDataSize));
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ASSERT_THAT(readv(test_unix_stream_socket_[0], iov, 1),
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SyscallFailsWithErrno(EAGAIN));
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free(iov[0].iov_base);
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}
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TEST_F(ReadvSocketTest, WouldBlock_DgramSocket) {
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struct iovec iov[1];
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iov[0].iov_base = reinterpret_cast<char*>(malloc(kReadvTestDataSize));
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iov[0].iov_len = kReadvTestDataSize;
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ASSERT_THAT(readv(test_unix_dgram_socket_[0], iov, 1),
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SyscallSucceedsWithValue(kReadvTestDataSize));
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free(iov[0].iov_base);
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iov[0].iov_base = reinterpret_cast<char*>(malloc(kReadvTestDataSize));
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ASSERT_THAT(readv(test_unix_dgram_socket_[0], iov, 1),
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SyscallFailsWithErrno(EAGAIN));
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free(iov[0].iov_base);
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}
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} // namespace
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} // namespace testing
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} // namespace gvisor
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