def func(no):
m = mmap.mmap(no, size*4096)
m.unmap_range(left*4096, (right-left)*4096)
m.read(1)
m.seek(right*4096)
m.read(1)
def in_map(m, offset):
return rffi.ptradd(m.data, offset)
def as_num(ptr):
return rffi.cast(lltype.Unsigned, ptr)
res = mmap.alloc_hinted(in_map(m, (left+right)/2 * 4096), 4096)
assert as_num(in_map(m, left*4096)) <= as_num(res) < as_num(in_map(m, right*4096))
def func(no):
m = mmap.mmap(no, size*4096)
m.unmap_range(left*4096, (right-left)*4096)
m.read(1)
m.seek(right*4096)
m.read(1)
def in_map(m, offset):
return rffi.ptradd(m.data, offset)
def as_num(ptr):
return rffi.cast(lltype.Unsigned, ptr)
res = mmap.alloc_hinted(in_map(m, (left+right)/2 * 4096), 4096)
assert as_num(in_map(m, left*4096)) <= as_num(res) < as_num(in_map(m, right*4096))