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https://github.com/mozilla/gecko-dev.git
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4b09919a18
--HG-- rename : netwerk/base/public/nsIIPCSerializable.idl => netwerk/base/public/nsIIPCSerializableObsolete.idl extra : transplant_source : %EB%18%9D%E6%B1%C6%26%A2%16%F3%85g%1A%25%B1%8E%A1%E72e
66 lines
1.6 KiB
C++
66 lines
1.6 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "FileDescriptor.h"
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#include "mozilla/Assertions.h"
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#include "nsDebug.h"
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#ifdef XP_WIN
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#include <windows.h>
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#define INVALID_HANDLE INVALID_HANDLE_VALUE
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#else
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#include <unistd.h>
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#define INVALID_HANDLE -1
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#endif
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using mozilla::ipc::FileDescriptor;
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FileDescriptor::FileDescriptor()
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: mHandle(INVALID_HANDLE)
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{ }
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FileDescriptor::PickleType
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FileDescriptor::ShareTo(const FileDescriptor::IPDLPrivate&,
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FileDescriptor::ProcessHandle aOtherProcess) const
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{
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#ifdef XP_WIN
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if (mHandle == INVALID_HANDLE) {
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return INVALID_HANDLE;
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}
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PlatformHandleType newHandle;
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if (!DuplicateHandle(GetCurrentProcess(), mHandle, aOtherProcess, &newHandle,
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0, FALSE, DUPLICATE_SAME_ACCESS)) {
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NS_WARNING("Failed to duplicate file handle!");
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return INVALID_HANDLE;
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}
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return newHandle;
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#else // XP_WIN
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if (mHandle == INVALID_HANDLE) {
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return base::FileDescriptor();
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}
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PlatformHandleType newHandle = dup(mHandle);
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if (newHandle < 0) {
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NS_WARNING("Failed to duplicate file descriptor!");
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return base::FileDescriptor();
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}
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// This file descriptor must be closed once the caller is done using it, so
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// pass true here for the 'auto_close' argument.
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return base::FileDescriptor(newHandle, true);
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#endif
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MOZ_NOT_REACHED("Must not get here!");
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return PickleType();
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}
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bool
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FileDescriptor::IsValid() const
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{
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return mHandle != INVALID_HANDLE;
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}
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