File: page_size_posix.cc

package info (click to toggle)
chromium 120.0.6099.224-1~deb11u1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 6,112,112 kB
  • sloc: cpp: 32,907,025; ansic: 8,148,123; javascript: 3,679,536; python: 2,031,248; asm: 959,718; java: 804,675; xml: 617,256; sh: 111,417; objc: 100,835; perl: 88,443; cs: 53,032; makefile: 29,579; fortran: 24,137; php: 21,162; tcl: 21,147; sql: 20,809; ruby: 17,735; pascal: 12,864; yacc: 8,045; lisp: 3,388; lex: 1,323; ada: 727; awk: 329; jsp: 267; csh: 117; exp: 43; sed: 37
file content (24 lines) | stat: -rw-r--r-- 613 bytes parent folder | download | duplicates (7) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
 
// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "base/memory/page_size.h"

#include <unistd.h>

namespace base {

size_t GetPageSize() {
  static const size_t pagesize = []() -> size_t {
  // For more information see getpagesize(2). Portable applications should use
  // sysconf(_SC_PAGESIZE) rather than getpagesize() if it's available.
#if defined(_SC_PAGESIZE)
    return static_cast<size_t>(sysconf(_SC_PAGESIZE));
#else
    return getpagesize();
#endif
  }();
  return pagesize;
}

}  // namespace base