mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-24 13:21:05 +00:00
883849ee32
This patch was automatically generated using the following script:
function convert() {
echo "Converting $1 to $2..."
find . \
! -wholename "*/.git*" \
! -wholename "obj-ff-dbg*" \
-type f \
\( -iname "*.cpp" \
-o -iname "*.h" \
-o -iname "*.c" \
-o -iname "*.cc" \
-o -iname "*.idl" \
-o -iname "*.ipdl" \
-o -iname "*.ipdlh" \
-o -iname "*.mm" \) | \
xargs -n 1 sed -i -e "s/\b$1\b/$2/g"
}
convert MOZ_OVERRIDE override
convert MOZ_FINAL final
102 lines
2.4 KiB
C++
102 lines
2.4 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
|
|
/* 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 <math.h>
|
|
|
|
#include "nsString.h"
|
|
#include "nsIMemoryReporter.h"
|
|
#include "mozilla/ipc/SharedMemory.h"
|
|
#include "mozilla/Atomics.h"
|
|
|
|
namespace mozilla {
|
|
namespace ipc {
|
|
|
|
static Atomic<size_t> gShmemAllocated;
|
|
static Atomic<size_t> gShmemMapped;
|
|
|
|
class ShmemReporter final : public nsIMemoryReporter
|
|
{
|
|
~ShmemReporter() {}
|
|
|
|
public:
|
|
NS_DECL_THREADSAFE_ISUPPORTS
|
|
|
|
NS_IMETHOD
|
|
CollectReports(nsIHandleReportCallback* aHandleReport, nsISupports* aData,
|
|
bool aAnonymize) override
|
|
{
|
|
nsresult rv;
|
|
rv = MOZ_COLLECT_REPORT(
|
|
"shmem-allocated", KIND_OTHER, UNITS_BYTES, gShmemAllocated,
|
|
"Memory shared with other processes that is accessible (but not "
|
|
"necessarily mapped).");
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
rv = MOZ_COLLECT_REPORT(
|
|
"shmem-mapped", KIND_OTHER, UNITS_BYTES, gShmemMapped,
|
|
"Memory shared with other processes that is mapped into the address "
|
|
"space.");
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
return NS_OK;
|
|
}
|
|
};
|
|
|
|
NS_IMPL_ISUPPORTS(ShmemReporter, nsIMemoryReporter)
|
|
|
|
SharedMemory::SharedMemory()
|
|
: mAllocSize(0)
|
|
, mMappedSize(0)
|
|
{
|
|
static Atomic<bool> registered;
|
|
if (registered.compareExchange(false, true)) {
|
|
RegisterStrongMemoryReporter(new ShmemReporter());
|
|
}
|
|
}
|
|
|
|
/*static*/ size_t
|
|
SharedMemory::PageAlignedSize(size_t aSize)
|
|
{
|
|
size_t pageSize = SystemPageSize();
|
|
size_t nPagesNeeded = size_t(ceil(double(aSize) / double(pageSize)));
|
|
return pageSize * nPagesNeeded;
|
|
}
|
|
|
|
void
|
|
SharedMemory::Created(size_t aNBytes)
|
|
{
|
|
mAllocSize = aNBytes;
|
|
gShmemAllocated += mAllocSize;
|
|
}
|
|
|
|
void
|
|
SharedMemory::Mapped(size_t aNBytes)
|
|
{
|
|
mMappedSize = aNBytes;
|
|
gShmemMapped += mMappedSize;
|
|
}
|
|
|
|
void
|
|
SharedMemory::Unmapped()
|
|
{
|
|
MOZ_ASSERT(gShmemMapped >= mMappedSize,
|
|
"Can't unmap more than mapped");
|
|
gShmemMapped -= mMappedSize;
|
|
mMappedSize = 0;
|
|
}
|
|
|
|
/*static*/ void
|
|
SharedMemory::Destroyed()
|
|
{
|
|
MOZ_ASSERT(gShmemAllocated >= mAllocSize,
|
|
"Can't destroy more than allocated");
|
|
gShmemAllocated -= mAllocSize;
|
|
mAllocSize = 0;
|
|
}
|
|
|
|
} // namespace ipc
|
|
} // namespace mozilla
|