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Diffstat (limited to 'devtools/shared/heapsnapshot/AutoMemMap.cpp')
-rw-r--r--devtools/shared/heapsnapshot/AutoMemMap.cpp64
1 files changed, 0 insertions, 64 deletions
diff --git a/devtools/shared/heapsnapshot/AutoMemMap.cpp b/devtools/shared/heapsnapshot/AutoMemMap.cpp
deleted file mode 100644
index e725a99c6..000000000
--- a/devtools/shared/heapsnapshot/AutoMemMap.cpp
+++ /dev/null
@@ -1,64 +0,0 @@
-/* -*- 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 "mozilla/devtools/AutoMemMap.h"
-
-#include "mozilla/Unused.h"
-#include "nsDebug.h"
-
-namespace mozilla {
-namespace devtools {
-
-AutoMemMap::~AutoMemMap()
-{
- if (addr) {
- Unused << NS_WARN_IF(PR_MemUnmap(addr, size()) != PR_SUCCESS);
- addr = nullptr;
- }
-
- if (fileMap) {
- Unused << NS_WARN_IF(PR_CloseFileMap(fileMap) != PR_SUCCESS);
- fileMap = nullptr;
- }
-
- if (fd) {
- Unused << NS_WARN_IF(PR_Close(fd) != PR_SUCCESS);
- fd = nullptr;
- }
-}
-
-nsresult
-AutoMemMap::init(const char* filePath, int flags, int mode, PRFileMapProtect prot)
-{
- MOZ_ASSERT(!fd);
- MOZ_ASSERT(!fileMap);
- MOZ_ASSERT(!addr);
-
- if (PR_GetFileInfo64(filePath, &fileInfo) != PR_SUCCESS)
- return NS_ERROR_FILE_NOT_FOUND;
-
- // Check if the file is too big to memmap.
- if (fileInfo.size > int64_t(UINT32_MAX))
- return NS_ERROR_INVALID_ARG;
- auto length = uint32_t(fileInfo.size);
-
- fd = PR_Open(filePath, flags, flags);
- if (!fd)
- return NS_ERROR_UNEXPECTED;
-
- fileMap = PR_CreateFileMap(fd, fileInfo.size, prot);
- if (!fileMap)
- return NS_ERROR_UNEXPECTED;
-
- addr = PR_MemMap(fileMap, 0, length);
- if (!addr)
- return NS_ERROR_UNEXPECTED;
-
- return NS_OK;
-}
-
-} // namespace devtools
-} // namespace mozilla