File: _stacklet_n_a.py

package info (click to toggle)
pypy 5.6.0%2Bdfsg-4
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 97,040 kB
  • ctags: 185,069
  • sloc: python: 1,147,862; ansic: 49,642; cpp: 5,245; asm: 5,169; makefile: 529; sh: 481; xml: 232; lisp: 45
file content (37 lines) | stat: -rw-r--r-- 984 bytes parent folder | download | duplicates (8)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
from rpython.rlib import _rffi_stacklet as _c
from rpython.rlib import debug
from rpython.rlib.objectmodel import we_are_translated, specialize
from rpython.rtyper.annlowlevel import llhelper


class StackletGcRootFinder(object):
    @staticmethod
    @specialize.arg(1)
    def new(thrd, callback, arg):
        h = _c.new(thrd._thrd, llhelper(_c.run_fn, callback), arg)
        if not h:
            raise MemoryError
        return h

    @staticmethod
    def switch(h):
        h = _c.switch(h)
        if not h:
            raise MemoryError
        return h

    @staticmethod
    def destroy(thrd, h):
        _c.destroy(thrd._thrd, h)
        if we_are_translated():
            debug.debug_print("not using a framework GC: "
                              "stacklet_destroy() may leak")

    is_empty_handle = staticmethod(_c.is_empty_handle)

    @staticmethod
    def get_null_handle():
        return _c.null_handle


gcrootfinder = StackletGcRootFinder    # class object