void
nsFileInputStream::Serialize(InputStreamParams& aParams,
FileDescriptorArray& aFileDescriptors)
{
FileInputStreamParams params;
if (mFD) {
FileHandleType fd = FileHandleType(PR_FileDesc2NativeHandle(mFD));
NS_ASSERTION(fd, "This should never be null!");
DebugOnly<FileDescriptor*> dbgFD = aFileDescriptors.AppendElement(fd);
NS_ASSERTION(dbgFD->IsValid(), "Sending an invalid file descriptor!");
params.fileDescriptorIndex() = aFileDescriptors.Length() - 1;
Close();
} else {
NS_WARNING("This file has not been opened (or could not be opened). "
"Sending an invalid file descriptor to the other process!");
params.fileDescriptorIndex() = UINT32_MAX;
}
int32_t behaviorFlags = mBehaviorFlags;
// The receiving process (or thread) is going to have an open file
// descriptor automatically so transferring this flag is meaningless.
behaviorFlags &= ~nsIFileInputStream::DEFER_OPEN;
params.behaviorFlags() = behaviorFlags;
params.ioFlags() = mIOFlags;
aParams = params;
}
void
nsFileInputStream::Serialize(InputStreamParams& aParams)
{
FileInputStreamParams params;
if (mFD) {
FileHandleType fd = FileHandleType(PR_FileDesc2NativeHandle(mFD));
NS_ASSERTION(fd, "This should never be null!");
params.file() = FileDescriptor(fd);
NS_ASSERTION(params.file().IsValid(),
"Sending an invalid file descriptor!");
} else {
NS_WARNING("This file has not been opened (or could not be opened). "
"Sending an invalid file descriptor to the other process!");
}
int32_t behaviorFlags = mBehaviorFlags;
// The other process shouldn't close when it reads the end because it will
// not be able to reopen the file later.
behaviorFlags &= ~nsIFileInputStream::CLOSE_ON_EOF;
// The other process will not be able to reopen the file so transferring
// this flag is meaningless.
behaviorFlags &= ~nsIFileInputStream::REOPEN_ON_REWIND;
// The other process is going to have an open file descriptor automatically
// so transferring this flag is meaningless.
behaviorFlags &= ~nsIFileInputStream::DEFER_OPEN;
params.behaviorFlags() = behaviorFlags;
params.ioFlags() = mIOFlags;
aParams = params;
}