diff options
| author | Amlal El Mahrouss <amlal.elmahrouss@icloud.com> | 2024-10-21 20:23:36 +0200 |
|---|---|---|
| committer | Amlal El Mahrouss <amlal.elmahrouss@icloud.com> | 2024-10-21 20:23:36 +0200 |
| commit | d48cbe75ef29a9c67c9d176bf58e56ea6448fb9e (patch) | |
| tree | 89cbd6b7e23802f92bf3158868f4dc33c088e516 /dev/zka/KernelKit/LockDelegate.h | |
| parent | 21b3da78f806d6765f9dffa6a84c21346f171cee (diff) | |
IMP: Major refactor of header and source files extensions.
Signed-off-by: Amlal El Mahrouss <amlal.elmahrouss@icloud.com>
Diffstat (limited to 'dev/zka/KernelKit/LockDelegate.h')
| -rw-r--r-- | dev/zka/KernelKit/LockDelegate.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/dev/zka/KernelKit/LockDelegate.h b/dev/zka/KernelKit/LockDelegate.h new file mode 100644 index 00000000..8f7e9a42 --- /dev/null +++ b/dev/zka/KernelKit/LockDelegate.h @@ -0,0 +1,67 @@ +/* ------------------------------------------- + + Copyright ZKA Web Services Co. + +------------------------------------------- */ + +#pragma once + +#include <NewKit/Atom.h> +#include <NewKit/Defines.h> + +namespace Kernel +{ + enum + { + kLockDone = 200, + kLockTimedOut, + }; + + /// @brief Lock condition pointer. + typedef Boolean* LockPtr; + + /// @brief Locking delegate class, hangs until limit. + /// @tparam N the amount of cycles to wait. + template <SizeT N> + class LockDelegate final + { + public: + LockDelegate() = delete; + + public: + explicit LockDelegate(LockPtr expr) + { + auto spin = 0U; + + while (spin != N) + { + if (*expr) + { + fLockStatus | kLockDone; + break; + } + } + + if (spin == N) + fLockStatus | kLockTimedOut; + } + + ~LockDelegate() = default; + + LockDelegate& operator=(const LockDelegate&) = delete; + LockDelegate(const LockDelegate&) = delete; + + bool Done() + { + return fLockStatus[kLockDone] == kLockDone; + } + + bool HasTimedOut() + { + return fLockStatus[kLockTimedOut] != kLockTimedOut; + } + + private: + Atom<UInt> fLockStatus; + }; +} // namespace Kernel |
