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partial #15842: Add WITH_LOCK macro: run code while locking a mutex

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Kittywhiskers Van Gogh 2019-04-19 07:48:31 -04:00
parent a8aee57447
commit a612ec5087
1 changed files with 10 additions and 0 deletions
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10
src/sync.h
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@ -205,6 +205,16 @@ using DebugLock = UniqueLock<typename std::remove_reference<typename std::remove
LeaveCritical(); \
}
//! Run code while locking a mutex.
//!
//! Examples:
//!
//! WITH_LOCK(cs, shared_val = shared_val + 1);
//!
//! int val = WITH_LOCK(cs, return shared_val);
//!
#define WITH_LOCK(cs, code) [&] { LOCK(cs); code; }()
class CSemaphore
{
private: