Antoine Pitrou created ARROW-2883:
-------------------------------------
Summary: [Plasma] Compilation warnings
Key: ARROW-2883
URL: https://issues.apache.org/jira/browse/ARROW-2883
Project: Apache Arrow
Issue Type: Bug
Components: Plasma (C++)
Reporter: Antoine Pitrou
Not sure that's recent, but I get the following warnings with clang 6.0.1:
{code}
[37/169] Building CXX object src/plasma/CMakeFiles/plasma_objlib.dir/client.cc.o
../src/plasma/client.cc:283:3: warning: ignoring return value of function
declared with 'warn_unused_result' attribute [-Wunused-result]
CudaDeviceManager::GetInstance(&manager_);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~
../src/plasma/client.cc:411:7: warning: ignoring return value of function
declared with 'warn_unused_result' attribute [-Wunused-result]
writer.WriteAt(object.data_size, metadata, metadata_size);
^~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2 warnings generated.
[53/169] Building CXX object
src/plasma/CMakeFiles/plasma_objlib.dir/protocol.cc.o
../src/plasma/protocol.cc:134:5: warning: ignoring return value of function
declared with 'warn_unused_result' attribute [-Wunused-result]
object->ipc_handle->Serialize(arrow::default_memory_pool(), &handle);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../src/plasma/protocol.cc:174:5: warning: ignoring return value of function
declared with 'warn_unused_result' attribute [-Wunused-result]
CudaIpcMemHandle::FromBuffer(message->ipc_handle()->handle()->data(),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../src/plasma/protocol.cc:506:7: warning: ignoring return value of function
declared with 'warn_unused_result' attribute [-Wunused-result]
object.ipc_handle->Serialize(arrow::default_memory_pool(), &handle);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../src/plasma/protocol.cc:541:7: warning: ignoring return value of function
declared with 'warn_unused_result' attribute [-Wunused-result]
CudaIpcMemHandle::FromBuffer(message->handles()->Get(handle_pos)->handle()->data(),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
4 warnings generated.
[63/169] Building CXX object src/plasma/CMakeFiles/plasma_store.dir/store.cc.o
../src/plasma/store.cc:117:3: warning: ignoring return value of function
declared with 'warn_unused_result' attribute [-Wunused-result]
CudaDeviceManager::GetInstance(&manager_);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~
../src/plasma/store.cc:164:5: warning: ignoring return value of function
declared with 'warn_unused_result' attribute [-Wunused-result]
manager_->GetContext(device_num - 1, &context_);
^~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~
../src/plasma/store.cc:194:7: warning: ignoring return value of function
declared with 'warn_unused_result' attribute [-Wunused-result]
context_->Allocate(data_size + metadata_size, &gpu_handle);
^~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../src/plasma/store.cc:220:5: warning: ignoring return value of function
declared with 'warn_unused_result' attribute [-Wunused-result]
gpu_handle->ExportForIpc(&entry->ipc_handle);
^~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~
4 warnings generated.
[125/169] Building CXX object
src/plasma/CMakeFiles/client_tests.dir/test/client_tests.cc.o
../src/plasma/test/client_tests.cc:462:35: warning:
'kDeprecatedPlasmaDefaultReleaseDelay' is deprecated:
PLASMA_DEFAULT_RELEASE_DELAY is deprecated [-Wdeprecated-declarations]
int64_t default_delay = plasma::kDeprecatedPlasmaDefaultReleaseDelay;
^
../src/plasma/client.h:37:16: note: 'kDeprecatedPlasmaDefaultReleaseDelay' has
been explicitly marked deprecated here
__attribute__((deprecated("PLASMA_DEFAULT_RELEASE_DELAY is deprecated")))
^
1 warning generated.
{code}
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