blob: f7c1b420f4c77a6f24fec156918eaa770c19310b (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
|
//===-- common.cpp ----------------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "common.h"
#include "atomic_helpers.h"
#include "string_utils.h"
namespace scudo {
#if !defined(SCUDO_PAGE_SIZE)
uptr PageSizeCached = 0;
uptr PageSizeLogCached = 0;
// This must be called in the init path or there could be a race if multiple
// threads try to set the cached values.
uptr getPageSizeSlow() {
PageSizeCached = getPageSize();
CHECK_NE(PageSizeCached, 0);
PageSizeLogCached = getLog2(PageSizeCached);
return PageSizeCached;
}
#endif
} // namespace scudo
|
