Ejemplo n.º 1
0
bool
PluginModuleParent::RecvBackUpXResources(const FileDescriptor& aXSocketFd)
{
#ifndef MOZ_X11
    NS_RUNTIMEABORT("This message only makes sense on X11 platforms");
#else
    NS_ABORT_IF_FALSE(0 > mPluginXSocketFdDup.get(),
                      "Already backed up X resources??");
    mPluginXSocketFdDup.forget();
    mPluginXSocketFdDup.reset(aXSocketFd.PlatformHandle());
#endif
    return true;
}
Ejemplo n.º 2
0
bool
nsFileInputStream::Deserialize(const InputStreamParams& aParams,
                               const FileDescriptorArray& aFileDescriptors)
{
    NS_ASSERTION(!mFD, "Already have a file descriptor?!");
    NS_ASSERTION(!mDeferredOpen, "Deferring open?!");
    NS_ASSERTION(!mFile, "Should never have a file here!");
    NS_ASSERTION(!mPerm, "This should always be 0!");

    if (aParams.type() != InputStreamParams::TFileInputStreamParams) {
        NS_WARNING("Received unknown parameters from the other process!");
        return false;
    }

    const FileInputStreamParams& params = aParams.get_FileInputStreamParams();

    uint32_t fileDescriptorIndex = params.fileDescriptorIndex();

    FileDescriptor fd;
    if (fileDescriptorIndex < aFileDescriptors.Length()) {
        fd = aFileDescriptors[fileDescriptorIndex];
        NS_WARN_IF_FALSE(fd.IsValid(), "Received an invalid file descriptor!");
    } else {
        NS_WARNING("Received a bad file descriptor index!");
    }

    if (fd.IsValid()) {
        PRFileDesc* fileDesc = PR_ImportFile(PROsfd(fd.PlatformHandle()));
        if (!fileDesc) {
            NS_WARNING("Failed to import file handle!");
            return false;
        }
        mFD = fileDesc;
    }

    mBehaviorFlags = params.behaviorFlags();

    if (XRE_GetProcessType() != GeckoProcessType_Default) {
        // A child process shouldn't close when it reads the end because it will
        // not be able to reopen the file later.
        mBehaviorFlags &= ~nsIFileInputStream::CLOSE_ON_EOF;

        // A child process will not be able to reopen the file so this flag is
        // meaningless.
        mBehaviorFlags &= ~nsIFileInputStream::REOPEN_ON_REWIND;
    }

    mIOFlags = params.ioFlags();

    return true;
}