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https://issues.apache.org/jira/browse/ARROW-2883?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wes McKinney reassigned ARROW-2883:
-----------------------------------
Assignee: Wes McKinney
> [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
> Assignee: Wes McKinney
> Priority: Major
> Fix For: 0.10.0
>
>
> 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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