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Diffstat (limited to 'include/EASTL/allocator_malloc.h')
| -rw-r--r-- | include/EASTL/allocator_malloc.h | 130 |
1 files changed, 0 insertions, 130 deletions
diff --git a/include/EASTL/allocator_malloc.h b/include/EASTL/allocator_malloc.h deleted file mode 100644 index 78f4f69..0000000 --- a/include/EASTL/allocator_malloc.h +++ /dev/null @@ -1,130 +0,0 @@ -///////////////////////////////////////////////////////////////////////////// -// Copyright (c) Electronic Arts Inc. All rights reserved. -///////////////////////////////////////////////////////////////////////////// - - -#ifndef EASTL_ALLOCATOR_MALLOC_H -#define EASTL_ALLOCATOR_MALLOC_H - - -#include <EABase/eahave.h> -#include <EASTL/allocator.h> -#include <stddef.h> - - -// EASTL_ALIGNED_MALLOC_AVAILABLE -// -// Identifies if the standard library provides a built-in aligned version of malloc. -// Defined as 0 or 1, depending on the standard library or platform availability. -// None of the viable C functions provides for an aligned malloc with offset, so we -// don't consider that supported in any case. -// -// Options for aligned allocations: -// C11 aligned_alloc http://linux.die.net/man/3/aligned_alloc -// glibc memalign http://linux.die.net/man/3/posix_memalign -// Posix posix_memalign http://pubs.opengroup.org/onlinepubs/000095399/functions/posix_memalign.html -// VC++ _aligned_malloc http://msdn.microsoft.com/en-us/library/8z34s9c6%28VS.80%29.aspx This is not suitable, since it has a limitation that you need to free via _aligned_free. -// -#if !defined EASTL_ALIGNED_MALLOC_AVAILABLE - #if defined(EA_PLATFORM_POSIX) && !defined(EA_PLATFORM_APPLE) - // memalign is more consistently available than posix_memalign, though its location isn't consistent across - // platforms and compiler libraries. Typically it's declared in one of three headers: stdlib.h, malloc.h, or malloc/malloc.h - #include <stdlib.h> // memalign, posix_memalign. - #define EASTL_ALIGNED_MALLOC_AVAILABLE 1 - - #if EA_HAS_INCLUDE_AVAILABLE - #if EA_HAS_INCLUDE(<malloc/malloc.h>) - #include <malloc/malloc.h> - #elif EA_HAS_INCLUDE(<malloc.h>) - #include <malloc.h> - #endif - #elif defined(EA_PLATFORM_BSD) - #include <malloc/malloc.h> - #elif defined(__clang__) - #if __has_include(<malloc/malloc.h>) - #include <malloc/malloc.h> - #elif __has_include(<malloc.h>) - #include <malloc.h> - #endif - #else - #include <malloc.h> - #endif - #else - #define EASTL_ALIGNED_MALLOC_AVAILABLE 0 - #endif -#endif - - -namespace eastl -{ - - /////////////////////////////////////////////////////////////////////////////// - // allocator_malloc - // - // Implements an EASTL allocator that uses malloc/free as opposed to - // new/delete or PPMalloc Malloc/Free. - // - // Example usage: - // vector<int, allocator_malloc> intVector; - // - class allocator_malloc - { - public: - allocator_malloc(const char* = NULL) - { } - - allocator_malloc(const allocator_malloc&) - { } - - allocator_malloc(const allocator_malloc&, const char*) - { } - - allocator_malloc& operator=(const allocator_malloc&) - { return *this; } - - bool operator==(const allocator_malloc&) - { return true; } - - bool operator!=(const allocator_malloc&) - { return false; } - - void* allocate(size_t n, int /*flags*/ = 0) - { return malloc(n); } - - void* allocate(size_t n, size_t alignment, size_t alignmentOffset, int /*flags*/ = 0) - { - #if EASTL_ALIGNED_MALLOC_AVAILABLE - if((alignmentOffset % alignment) == 0) // We check for (offset % alignmnent == 0) instead of (offset == 0) because any block which is aligned on e.g. 64 also is aligned at an offset of 64 by definition. - return memalign(alignment, n); // memalign is more consistently available than posix_memalign. - #else - if((alignment <= EASTL_SYSTEM_ALLOCATOR_MIN_ALIGNMENT) && ((alignmentOffset % alignment) == 0)) - return malloc(n); - #endif - return NULL; - } - - void deallocate(void* p, size_t /*n*/) - { free(p); } - - const char* get_name() const - { return "allocator_malloc"; } - - void set_name(const char*) - { } - }; - - -} // namespace eastl - - - -#endif // Header include guard - - - - - - - - - |