Update _backend.pxd

Author: Diptorup Deb

dpctl/_backend.pxd

@@ -75,6 +75,7 @@ cdef extern from "dpctl_sycl_types.h":
     cdef struct DPCTLOpaqueSyclDeviceSelector
     cdef struct DPCTLOpaqueSyclEvent
     cdef struct DPCTLOpaqueSyclKernel
+    cdef struct DPCTLOpaqueSyclPlatform
     cdef struct DPCTLOpaqueSyclProgram
     cdef struct DPCTLOpaqueSyclQueue
     cdef struct DPCTLOpaqueSyclUSM
@@ -84,6 +85,7 @@ cdef extern from "dpctl_sycl_types.h":
     ctypedef DPCTLOpaqueSyclDeviceSelector *DPCTLSyclDeviceSelectorRef
     ctypedef DPCTLOpaqueSyclEvent          *DPCTLSyclEventRef
     ctypedef DPCTLOpaqueSyclKernel         *DPCTLSyclKernelRef
+    ctypedef DPCTLOpaqueSyclPlatform       *DPCTLSyclPlatformRef
     ctypedef DPCTLOpaqueSyclProgram        *DPCTLSyclProgramRef
     ctypedef DPCTLOpaqueSyclQueue          *DPCTLSyclQueueRef
     ctypedef DPCTLOpaqueSyclUSM            *DPCTLSyclUSMRef
@@ -138,6 +140,7 @@ cdef extern from "dpctl_sycl_kernel_interface.h":
 
 
 cdef extern from "dpctl_sycl_platform_interface.h":
+    cdef void DPCTLPlatform_Delete()
     cdef size_t DPCTLPlatform_GetNumNonHostPlatforms()
     cdef void DPCTLPlatform_DumpInfo()
     cdef size_t DPCTLPlatform_GetNumNonHostBackends()