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Diffstat (limited to 'lib/WinRpMalloc/src/dllmain.c')
| -rw-r--r-- | lib/WinRpMalloc/src/dllmain.c | 189 |
1 files changed, 0 insertions, 189 deletions
diff --git a/lib/WinRpMalloc/src/dllmain.c b/lib/WinRpMalloc/src/dllmain.c deleted file mode 100644 index 58f5538..0000000 --- a/lib/WinRpMalloc/src/dllmain.c +++ /dev/null @@ -1,189 +0,0 @@ -/* -* Copyright (c) 2023 Vaughn Nugent -* -* Library: VNLib -* Package: WinRpMalloc -* File: dllmain.c -* -* WinRpMalloc is free software: you can redistribute it and/or modify -* it under the terms of the GNU General Public License as published -* by the Free Software Foundation, either version 2 of the License, -* or (at your option) any later version. -* -* WinRpMalloc is distributed in the hope that it will be useful, -* but WITHOUT ANY WARRANTY; without even the implied warranty of -* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -* General Public License for more details. -* -* You should have received a copy of the GNU General Public License -* along with WinRpMalloc. If not, see http://www.gnu.org/licenses/. -*/ - -#include "pch.h" -//Include the native heap header directly from its repo location -#include "../../NativeHeapApi/src/NativeHeapApi.h" - -BOOL APIENTRY DllMain(HMODULE hModule, DWORD ul_reason_for_call, LPVOID lpReserved) -{ - /* - * Taken from the malloc.c file for initializing the library. - * and thread events - */ - switch (ul_reason_for_call) - { - case DLL_PROCESS_ATTACH: - rpmalloc_initialize(); - break; - case DLL_THREAD_ATTACH: - rpmalloc_thread_initialize(); - break; - case DLL_THREAD_DETACH: - rpmalloc_thread_finalize(1); - break; - case DLL_PROCESS_DETACH: - rpmalloc_finalize(); - break; - } - return TRUE; -} - -#define GLOBAL_HEAP_HANDLE_VALUE -10 -#define GLOBAL_HEAP_INIT_CHECK if (!rpmalloc_is_thread_initialized()) { rpmalloc_thread_initialize(); } - -//Define the heap methods - -HEAP_METHOD_EXPORT ERRNO HEAP_METHOD_CC heapCreate(UnmanagedHeapDescriptor* flags) -{ - //Check flags - if (flags->CreationFlags & HEAP_CREATION_IS_SHARED) - { - //User requested the global heap, synchronziation is not required, so we can clear the sync flag - flags->CreationFlags &= ~(HEAP_CREATION_SERIALZE_ENABLED); - - //Set the heap pointer as the global heap value - flags->HeapPointer = (LPVOID)GLOBAL_HEAP_HANDLE_VALUE; - - //Success - return TRUE; - } - - //Allocate a first class heap - flags->HeapPointer = rpmalloc_heap_acquire(); - - //Ignore remaining flags, zero/sync can be user optional - - //Return value greater than 0 - return flags->HeapPointer; -} - - -HEAP_METHOD_EXPORT ERRNO HEAP_METHOD_CC heapDestroy(LPVOID heap) -{ - //Destroy the heap - if ((int)heap == GLOBAL_HEAP_HANDLE_VALUE) - { - //Gloal heap, do nothing, and allow the entrypoint cleanup - return TRUE; - } - - //Free all before destroy - rpmalloc_heap_free_all(heap); - - //Destroy the heap - rpmalloc_heap_release(heap); - - return TRUE; -} - - -HEAP_METHOD_EXPORT LPVOID HEAP_METHOD_CC heapAlloc(LPVOID heap, size_t elements, size_t alignment, BOOL zero) -{ - //Multiply for element size - size_t size = elements * alignment; - - //Check for global heap - if ((int)heap == GLOBAL_HEAP_HANDLE_VALUE) - { - /* - * When called from the dotnet CLR the thread may not call the DLL - * thread attach method, so we need to check and initialze the heap - * for the current thread - */ - GLOBAL_HEAP_INIT_CHECK - - //Allocate the block - if (zero) - { - //Calloc - return rpcalloc(elements, alignment); - } - else - { - //Alloc without zero - return rpmalloc(size); - } - } - else - { - //First class heap, lock is held by caller, optionally zero the block - if (zero) - { - return rpmalloc_heap_calloc(heap, alignment, elements); - } - else - { - return rpmalloc_heap_alloc(heap, size); - } - } -} - - -HEAP_METHOD_EXPORT LPVOID HEAP_METHOD_CC heapRealloc(LPVOID heap, LPVOID block, size_t elements, size_t alignment, BOOL zero) -{ - //Multiply for element size - size_t size = elements * alignment; - - //Check for global heap - if ((int)heap == GLOBAL_HEAP_HANDLE_VALUE) - { - /* - * When called from the dotnet CLR the thread may not call the DLL - * thread attach method, so we need to check and initialze the heap - * for the current thread - */ - GLOBAL_HEAP_INIT_CHECK - - //Calloc - return rprealloc(block, size); - } - else - { - //First class heap, lock is held by caller - return rpmalloc_heap_realloc(heap, block, size, 0); - } -} - - -HEAP_METHOD_EXPORT ERRNO HEAP_METHOD_CC heapFree(LPVOID heap, LPVOID block) -{ - //Check for global heap - if ((int)heap == GLOBAL_HEAP_HANDLE_VALUE) - { - /* - * If free happens on a different thread, we must allocate the heap - * its cheap to check - */ - - GLOBAL_HEAP_INIT_CHECK - - //free block - rpfree(block); - } - else - { - //First class heap, lock is held by caller - rpmalloc_heap_free(heap, block); - } - - return TRUE; -}
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