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/*
* Copyright (C) 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <sys/param.h>
#include <unistd.h>
#include "jemalloc.h"
#include "private/bionic_macros.h"
void* je_pvalloc(size_t bytes) {
size_t pagesize = getpagesize();
size_t size = BIONIC_ALIGN(bytes, pagesize);
if (size < bytes) {
return NULL;
}
return je_memalign(pagesize, size);
}
#ifdef je_memalign
#undef je_memalign
#endif
// The man page for memalign says it fails if boundary is not a power of 2,
// but this is not true. Both glibc and dlmalloc round up to the next power
// of 2, so we'll do the same.
void* je_memalign_round_up_boundary(size_t boundary, size_t size) {
if (boundary != 0) {
if (!powerof2(boundary)) {
boundary = BIONIC_ROUND_UP_POWER_OF_2(boundary);
}
} else {
boundary = 1;
}
return je_memalign(boundary, size);
}
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