diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/syscalls/linux/sendfile.cc | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/test/syscalls/linux/sendfile.cc b/test/syscalls/linux/sendfile.cc index 3924e0001..93b3a94f1 100644 --- a/test/syscalls/linux/sendfile.cc +++ b/test/syscalls/linux/sendfile.cc @@ -551,6 +551,29 @@ TEST(SendFileTest, SendPipeEOF) { SyscallSucceedsWithValue(0)); } +TEST(SendFileTest, SendToFullPipeReturnsEAGAIN) { + // Create and open an empty input file. + const TempPath in_file = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFile()); + const FileDescriptor in_fd = + ASSERT_NO_ERRNO_AND_VALUE(Open(in_file.path(), O_RDWR)); + + // Set up the output pipe. + int fds[2]; + ASSERT_THAT(pipe2(fds, O_NONBLOCK), SyscallSucceeds()); + const FileDescriptor rfd(fds[0]); + const FileDescriptor wfd(fds[1]); + + int pipe_size = -1; + ASSERT_THAT(pipe_size = fcntl(wfd.get(), F_GETPIPE_SZ), SyscallSucceeds()); + int data_size = pipe_size * 8; + ASSERT_THAT(ftruncate(in_fd.get(), data_size), SyscallSucceeds()); + + ASSERT_THAT(sendfile(wfd.get(), in_fd.get(), 0, data_size), + SyscallSucceeds()); + EXPECT_THAT(sendfile(wfd.get(), in_fd.get(), 0, data_size), + SyscallFailsWithErrno(EAGAIN)); +} + TEST(SendFileTest, SendPipeBlocks) { // Create temp file. constexpr char kData[] = |