.

bigfile/_file_zodb.pyx

@@ -105,22 +105,21 @@ cdef public class _ZBigFile(BigFile) [object _ZBigFile, type _ZBigFile_Type]:
 
 
 # functions that we give to virtmem bigfile_ops .mmap*
-"""
-cdef nogil:
-
+cdef extern from * nogil:
+    """
     void* virt_mmap_setup_read(VMA *vma, BigFile *file, blk_t blk, size_t blklen) {
-        FileH fileh; # XXX = ... somehow from file
-        Mapping mmap;
+        wcfs::FileH fileh; // XXX = ... somehow from file
+        wcfs::Mapping mmap;
         error err;
 
         tie(mmap, err) = fileh->mmap(blk, blklen, vma);
         if (err != nil)
-            panic("TODO");  # XXX
+            panic("TODO");  // XXX
 
-        mmap->incref(); # vma->mmap_overlay_server is keeping ref to mmap
+        mmap->incref(); // vma->mmap_overlay_server is keeping ref to mmap
         vma->mmap_overlay_server = mmap._ptr();
 
-        # XXX here? -> in fileh->mmap? don't set at all here?
+        // XXX here? -> in fileh->mmap? don't set at all here?
         vma->addr_start = (uintptr_t)mmap->mem_start;
         vma->addr_stop  = (uintptr_t)mmap->mem_stop;
 
@@ -128,7 +127,7 @@ cdef nogil:
     }
 
     int virt_remmap_blk_read(VMA *vma, BigFile *file, blk_t blk) {
-        _Mapping *mmap = static_cast<_Mapping*>(vma->mmap_overlay_server);
+        wcfs::_Mapping *mmap = static_cast<wcfs::_Mapping*>(vma->mmap_overlay_server);
         // XXX use file?
 
         mmap->remmap_blk(blk);  // XXX err
@@ -137,14 +136,16 @@ cdef nogil:
 
 
     void virt_munmap(VMA *vma, BigFile *file) {
-        Mapping mmap = adoptref(static_cast<_Mapping*>(vma->mmap_overlay_server)); // NOTE taking 1 ref back
+        // NOTE taking 1 ref back from vma->mmap_overlay_server
+        wcfs::Mapping mmap = adoptref(static_cast<wcfs::_Mapping*>(vma->mmap_overlay_server));
         vma->mmap_overlay_server = NULL;
 
         mmap->unmap();
 
         // XXX close mmap->fileh
     }
-"""
+    """
+    pass