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Better regulation of logging mutex

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This commit is contained in:
Jack Andersen
2017-01-18 10:54:00 -10:00
parent f913fb8479
commit e6f24e6428
2 changed files with 20 additions and 3 deletions
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19
include/logvisor/logvisor.hpp
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@@ -87,14 +87,29 @@ extern std::atomic_uint_fast64_t FrameIndex;
*
* Ensures logging streams aren't written concurrently
*/
extern std::recursive_mutex LogMutex;
struct LogMutex
{
bool enabled = true;
std::recursive_mutex mutex;
~LogMutex() { enabled = false; }
std::unique_lock<std::recursive_mutex> lock()
{
if (enabled)
return std::unique_lock<std::recursive_mutex>(mutex);
else
return std::unique_lock<std::recursive_mutex>();
}
};
extern LogMutex _LogMutex;
/**
* @brief Take a centralized lock for the logging output stream(s)
* @return RAII mutex lock
*/
static inline std::unique_lock<std::recursive_mutex> LockLog()
{return std::unique_lock<std::recursive_mutex>{LogMutex};}
{
return _LogMutex.lock();
}
/**
* @brief Restore centralized logger vector to default state (silent operation)