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Commit bbfe6b12 authored by Jooyung Han's avatar Jooyung Han
Browse files

libbinder_rs: PartialEq for ParcelFileDescriptor 

NDK's ScopedFileDescriptor can be checked for equality. Add impl for
PartialEq for ParcelFileDescriptor.

With this, @RustDerive(PartialEq=true) works when the parcelable has
a ParcelFileDescriptor field.

Bug: n/a
Test: aidl_integration_test
Change-Id: I94d064db46f3e1bf43180e4fee9cf2a0487980e7
parent 1f5c2091

libs/binder/rust/src/parcel/file_descriptor.rs

+10 −0
Original line number Diff line number Diff line
@@ -60,6 +60,16 @@ impl IntoRawFd for ParcelFileDescriptor { 
    }

}



impl PartialEq for ParcelFileDescriptor {

    // Since ParcelFileDescriptors own the FD, if this function ever returns true (and it is used to

    // compare two different objects), then it would imply that an FD is double-owned.

    fn eq(&self, other: &Self) -> bool {

        self.as_raw_fd() == other.as_raw_fd()

    }

}



impl Eq for ParcelFileDescriptor {}



impl Serialize for ParcelFileDescriptor {

    fn serialize(&self, parcel: &mut BorrowedParcel<'_>) -> Result<()> {

        let fd = self.0.as_raw_fd();