diff options
| author | Amlal EL Mahrouss <amlalelmahrouss@icloud.com> | 2024-08-02 20:11:24 +0200 |
|---|---|---|
| committer | Amlal EL Mahrouss <amlalelmahrouss@icloud.com> | 2024-08-02 20:11:24 +0200 |
| commit | 59578978610f6af245f571a011694a51d94dc530 (patch) | |
| tree | 3553807ef1c8095248520ee823c1426aef8738d8 /Kernel/KernelKit/LockDelegate.hxx | |
| parent | 9afcd1c001703c32964fed5906f36a2d913e91e9 (diff) | |
[unstable] [META] refactor whole project.
Signed-off-by: Amlal EL Mahrouss <amlalelmahrouss@icloud.com>
Diffstat (limited to 'Kernel/KernelKit/LockDelegate.hxx')
| -rw-r--r-- | Kernel/KernelKit/LockDelegate.hxx | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/Kernel/KernelKit/LockDelegate.hxx b/Kernel/KernelKit/LockDelegate.hxx new file mode 100644 index 00000000..adf4e492 --- /dev/null +++ b/Kernel/KernelKit/LockDelegate.hxx @@ -0,0 +1,67 @@ +/* ------------------------------------------- + + Copyright ZKA Technologies + +------------------------------------------- */ + +#pragma once + +#include <NewKit/Atom.hxx> +#include <NewKit/Defines.hxx> + +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 |
