From 0c43e344918569474e1460876105c9f1eb43efa8 Mon Sep 17 00:00:00 2001 From: Amlal El Mahrouss Date: Tue, 24 Mar 2026 12:25:55 +0100 Subject: [FEAT] Kernel: UTF-8 usage in UserMgr. Signed-off-by: Amlal El Mahrouss --- src/kernel/KernelKit/Semaphore.h | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'src/kernel/KernelKit/Semaphore.h') diff --git a/src/kernel/KernelKit/Semaphore.h b/src/kernel/KernelKit/Semaphore.h index bb6b9ba9..4dc9a454 100644 --- a/src/kernel/KernelKit/Semaphore.h +++ b/src/kernel/KernelKit/Semaphore.h @@ -29,6 +29,7 @@ using SemaphoreArr = UInt64[kSemaphoreCount]; /// @brief Checks if the semaphore is valid. inline bool rtl_sem_is_valid(const SemaphoreArr& sem, const UInt64& owner = 0) { + if (!sem) return false; return sem[kSemaphoreOwnerIndex] == owner && sem[kSemaphoreCountIndex] > 0; } @@ -36,6 +37,8 @@ inline bool rtl_sem_is_valid(const SemaphoreArr& sem, const UInt64& owner = 0) { /// @param sem /// @return inline bool rtl_sem_release(SemaphoreArr& sem) { + if (!sem) return false; + sem[kSemaphoreOwnerIndex] = 0; sem[kSemaphoreCountIndex] = 0; @@ -47,6 +50,8 @@ inline bool rtl_sem_release(SemaphoreArr& sem) { /// @param owner the owner to set, could be anything identifitable. /// @return inline bool rtl_sem_acquire(SemaphoreArr& sem, const UInt64& owner) { + if (!sem) return false; + if (!owner) { err_global_get() = kErrorInvalidData; return false; // Invalid owner, return false and set KPC. @@ -65,6 +70,8 @@ inline bool rtl_sem_acquire(SemaphoreArr& sem, const UInt64& owner) { /// @return inline bool rtl_sem_wait(SemaphoreArr& sem, const UInt64& owner, const UInt64& timeout, bool& condition) { + if (!sem) return false; + if (!rtl_sem_is_valid(sem, owner)) { return false; } -- cgit v1.2.3