diff options
Diffstat (limited to 'test/syscalls/linux/mknod.cc')
| -rw-r--r-- | test/syscalls/linux/mknod.cc | 30 |
1 files changed, 22 insertions, 8 deletions
diff --git a/test/syscalls/linux/mknod.cc b/test/syscalls/linux/mknod.cc index b96907b30..1635c6d0c 100644 --- a/test/syscalls/linux/mknod.cc +++ b/test/syscalls/linux/mknod.cc @@ -125,6 +125,16 @@ TEST(MknodTest, Socket) { ASSERT_THAT(unlink(filename.c_str()), SyscallSucceeds()); } +PosixErrorOr<FileDescriptor> OpenRetryEINTR(std::string const& path, int flags, + mode_t mode = 0) { + while (true) { + auto maybe_fd = Open(path, flags, mode); + if (maybe_fd.ok() || maybe_fd.error().errno_value() != EINTR) { + return maybe_fd; + } + } +} + TEST(MknodTest, Fifo) { const std::string fifo = NewTempAbsPath(); ASSERT_THAT(mknod(fifo.c_str(), S_IFIFO | S_IRUSR | S_IWUSR, 0), @@ -139,14 +149,16 @@ TEST(MknodTest, Fifo) { // Read-end of the pipe. ScopedThread t([&fifo, &buf, &msg]() { - FileDescriptor fd = ASSERT_NO_ERRNO_AND_VALUE(Open(fifo.c_str(), O_RDONLY)); + FileDescriptor fd = + ASSERT_NO_ERRNO_AND_VALUE(OpenRetryEINTR(fifo.c_str(), O_RDONLY)); EXPECT_THAT(ReadFd(fd.get(), buf.data(), buf.size()), SyscallSucceedsWithValue(msg.length())); EXPECT_EQ(msg, std::string(buf.data())); }); // Write-end of the pipe. - FileDescriptor wfd = ASSERT_NO_ERRNO_AND_VALUE(Open(fifo.c_str(), O_WRONLY)); + FileDescriptor wfd = + ASSERT_NO_ERRNO_AND_VALUE(OpenRetryEINTR(fifo.c_str(), O_WRONLY)); EXPECT_THAT(WriteFd(wfd.get(), msg.c_str(), msg.length()), SyscallSucceedsWithValue(msg.length())); } @@ -164,15 +176,16 @@ TEST(MknodTest, FifoOtrunc) { std::vector<char> buf(512); // Read-end of the pipe. ScopedThread t([&fifo, &buf, &msg]() { - FileDescriptor fd = ASSERT_NO_ERRNO_AND_VALUE(Open(fifo.c_str(), O_RDONLY)); + FileDescriptor fd = + ASSERT_NO_ERRNO_AND_VALUE(OpenRetryEINTR(fifo.c_str(), O_RDONLY)); EXPECT_THAT(ReadFd(fd.get(), buf.data(), buf.size()), SyscallSucceedsWithValue(msg.length())); EXPECT_EQ(msg, std::string(buf.data())); }); // Write-end of the pipe. - FileDescriptor wfd = - ASSERT_NO_ERRNO_AND_VALUE(Open(fifo.c_str(), O_WRONLY | O_TRUNC)); + FileDescriptor wfd = ASSERT_NO_ERRNO_AND_VALUE( + OpenRetryEINTR(fifo.c_str(), O_WRONLY | O_TRUNC)); EXPECT_THAT(WriteFd(wfd.get(), msg.c_str(), msg.length()), SyscallSucceedsWithValue(msg.length())); } @@ -192,14 +205,15 @@ TEST(MknodTest, FifoTruncNoOp) { std::vector<char> buf(512); // Read-end of the pipe. ScopedThread t([&fifo, &buf, &msg]() { - FileDescriptor fd = ASSERT_NO_ERRNO_AND_VALUE(Open(fifo.c_str(), O_RDONLY)); + FileDescriptor fd = + ASSERT_NO_ERRNO_AND_VALUE(OpenRetryEINTR(fifo.c_str(), O_RDONLY)); EXPECT_THAT(ReadFd(fd.get(), buf.data(), buf.size()), SyscallSucceedsWithValue(msg.length())); EXPECT_EQ(msg, std::string(buf.data())); }); - FileDescriptor wfd = - ASSERT_NO_ERRNO_AND_VALUE(Open(fifo.c_str(), O_WRONLY | O_TRUNC)); + FileDescriptor wfd = ASSERT_NO_ERRNO_AND_VALUE( + OpenRetryEINTR(fifo.c_str(), O_WRONLY | O_TRUNC)); EXPECT_THAT(ftruncate(wfd.get(), 0), SyscallFailsWithErrno(EINVAL)); EXPECT_THAT(WriteFd(wfd.get(), msg.c_str(), msg.length()), SyscallSucceedsWithValue(msg.length())); |