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5e1dbfc49d
posix_memalign requires alignment to be a power of two and a multiple of sizeof(void*). All powers of two greater than sizeof(void*) are multiples of sizeof(void*) so we only need to make sure sizeof(void*) is the minimum value passed to posix_memalign. Fixes #644 Signed-off-by: Kevin Petit <kevin.petit@arm.com>
72 lines
1.8 KiB
C
72 lines
1.8 KiB
C
//
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// Copyright (c) 2020 The Khronos Group Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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#ifndef HARNESS_ALLOC_H_
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#define HARNESS_ALLOC_H_
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#if defined(__linux__) || defined (linux) || defined(__APPLE__)
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#if defined(__ANDROID__)
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#include <malloc.h>
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#else
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#include <stdlib.h>
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#endif
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#endif
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#if defined(__MINGW32__)
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#include "mingw_compat.h"
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#endif
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static void * align_malloc(size_t size, size_t alignment)
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{
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#if defined(_WIN32) && defined(_MSC_VER)
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return _aligned_malloc(size, alignment);
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#elif defined(__linux__) || defined (linux) || defined(__APPLE__)
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void * ptr = NULL;
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#if defined(__ANDROID__)
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ptr = memalign(alignment, size);
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if ( ptr )
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return ptr;
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#else
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if (alignment < sizeof(void*)) {
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alignment = sizeof(void*);
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}
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if (0 == posix_memalign(&ptr, alignment, size))
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return ptr;
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#endif
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return NULL;
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#elif defined(__MINGW32__)
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return __mingw_aligned_malloc(size, alignment);
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#else
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#error "Please add support OS for aligned malloc"
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#endif
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}
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static void align_free(void * ptr)
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{
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#if defined(_WIN32) && defined(_MSC_VER)
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_aligned_free(ptr);
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#elif defined(__linux__) || defined (linux) || defined(__APPLE__)
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return free(ptr);
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#elif defined(__MINGW32__)
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return __mingw_aligned_free(ptr);
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#else
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#error "Please add support OS for aligned free"
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#endif
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}
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#endif // #ifndef HARNESS_ALLOC_H_
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