diff options
Diffstat (limited to 'dev/kernel/KernelKit/UserProcessScheduler.inl')
| -rw-r--r-- | dev/kernel/KernelKit/UserProcessScheduler.inl | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/dev/kernel/KernelKit/UserProcessScheduler.inl b/dev/kernel/KernelKit/UserProcessScheduler.inl new file mode 100644 index 00000000..39e2aaf0 --- /dev/null +++ b/dev/kernel/KernelKit/UserProcessScheduler.inl @@ -0,0 +1,65 @@ +/* ------------------------------------------- + + Copyright (C) 2024-2025, Amlal El Mahrouss, all rights reserved. + + FILE: ProcessScheduler.inl + PURPOSE: Low level/Ring-3 Process scheduler. + +------------------------------------------- */ + +/// @brief Process scheduler inline definitions. +/// @author Amlal El Mahrouss (amlal@nekernel.org) + +namespace Kernel +{ + /***********************************************************************************/ + /** @brief Free pointer from usage. */ + /***********************************************************************************/ + + template <typename T> + Boolean UserProcess::Delete(ErrorOr<T*> ptr) + { + if (!ptr) + return No; + + if (!this->ProcessMemoryHeap) + { + kout << "Process's heap is empty.\r"; + return No; + } + + ProcessMemoryHeapList* entry = this->ProcessMemoryHeap; + + while (entry != nullptr) + { + if (entry->MemoryEntry == ptr.Leak().Leak()) + { + this->UsedMemory -= entry->MemoryEntrySize; + +#ifdef __NE_AMD64__ + auto pd = hal_read_cr3(); + + hal_write_cr3(this->VMRegister); + + auto ret = mm_delete_heap(entry->MemoryEntry); + + hal_write_cr3(pd); + + return ret == kErrorSuccess; +#else + Bool ret = mm_delete_heap(ptr.Leak().Leak()); + + return ret == kErrorSuccess; +#endif + } + + entry = entry->MemoryNext; + } + + kout << "Invalid Pointer: Trying to free a pointer which doesn't exist.\r"; + + this->Crash(); + + return No; + } +} // namespace Kernel |
