File: SharedMemory_windows.cpp

package info (click to toggle)
iceweasel 31.6.0esr-1
  • links: PTS, VCS
  • area: main
  • in suites: jessie-kfreebsd
  • size: 1,368,576 kB
  • sloc: cpp: 3,692,968; ansic: 1,797,194; python: 193,401; java: 180,622; asm: 133,557; xml: 89,288; sh: 71,748; perl: 22,087; makefile: 21,687; objc: 4,014; yacc: 1,995; pascal: 1,292; lex: 950; exp: 449; lisp: 228; awk: 211; php: 113; sed: 43; csh: 31; ada: 16; ruby: 3
file content (40 lines) | stat: -rw-r--r-- 950 bytes parent folder | download | duplicates (15) 
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
30
31
32
33
34
35
36
37
38
39
40
 
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 * vim: sw=2 ts=8 et :
 */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include <windows.h>

#include "mozilla/ipc/SharedMemory.h"

namespace mozilla {
namespace ipc {

void
SharedMemory::SystemProtect(char* aAddr, size_t aSize, int aRights)
{
  DWORD flags;
  if ((aRights & RightsRead) && (aRights & RightsWrite))
    flags = PAGE_READWRITE;
  else if (aRights & RightsRead)
    flags = PAGE_READONLY;
  else
    flags = PAGE_NOACCESS;

  DWORD oldflags;
  if (!VirtualProtect(aAddr, aSize, flags, &oldflags))
    NS_RUNTIMEABORT("can't VirtualProtect()");
}

size_t
SharedMemory::SystemPageSize()
{
  SYSTEM_INFO si;
  GetSystemInfo(&si);
  return si.dwPageSize;
}

} // namespace ipc
} // namespace mozilla