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Use a mutex to lock Win32 message handling #5304

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merged 2 commits into from
Jan 17, 2018
Merged

Use a mutex to lock Win32 message handling #5304

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ca1e869
Use a mutex to lock Win32 message handling
Xaeroxe Jan 8, 2018
d94369c
Add comment to mutex
Xaeroxe Jan 15, 2018
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5 changes: 5 additions & 0 deletions cpp/iedriver/IECommandExecutor.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -19,6 +19,7 @@
#include <algorithm>
#include <ctime>
#include <vector>
#include <mutex>

#include "command_types.h"
#include "errorcodes.h"
Expand Down Expand Up @@ -438,6 +439,10 @@ unsigned int WINAPI IECommandExecutor::ThreadProc(LPVOID lpParameter) {
LOG(DEBUG) << "Returned from DestroyWindow()";
break;
} else {
// We need to lock this mutex here to make sure only one thread is processing
// win32 messages at a time.
static std::mutex messageLock;
std::lock_guard<std::mutex> lock(messageLock);
::TranslateMessage(&msg);
::DispatchMessage(&msg);
}
Expand Down