Author: Armin Rigo <[email protected]>
Branch:
Changeset: r2203:e12558a3ce6b
Date: 2015-07-04 19:57 +0200
http://bitbucket.org/cffi/cffi/changeset/e12558a3ce6b/
Log: Use the logic in cgc.c to implement ffi.gc() also for the pure
Python in-line version of FFI
diff --git a/c/_cffi_backend.c b/c/_cffi_backend.c
--- a/c/_cffi_backend.c
+++ b/c/_cffi_backend.c
@@ -5512,6 +5512,9 @@
(PyObject *)&CTypeDescr_Type);
}
+/* forward: implemented in ffi_obj.c */
+static PyObject *b_gcp(PyObject *self, PyObject *args);
+
/************************************************************/
static char _testfunc0(char a, char b)
@@ -5817,6 +5820,7 @@
{"newp_handle", b_newp_handle, METH_VARARGS},
{"from_handle", b_from_handle, METH_O},
{"from_buffer", b_from_buffer, METH_VARARGS},
+ {"gcp", b_gcp, METH_VARARGS},
#ifdef MS_WIN32
{"getwinerror", (PyCFunction)b_getwinerror, METH_VARARGS | METH_KEYWORDS},
#endif
diff --git a/c/ffi_obj.c b/c/ffi_obj.c
--- a/c/ffi_obj.c
+++ b/c/ffi_obj.c
@@ -680,6 +680,19 @@
return gc_weakrefs_build(self, cd, destructor);
}
+static PyObject *b_gcp(PyObject *self, PyObject *args)
+{
+ /* for in-line mode */
+ static FFIObject *ffi1 = NULL;
+
+ if (ffi1 == NULL) {
+ ffi1 = ffi_internal_new(&FFI_Type, NULL);
+ if (ffi1 == NULL)
+ return NULL;
+ }
+ return ffi_gc(ffi1, args, NULL);
+}
+
PyDoc_STRVAR(ffi_callback_doc,
"Return a callback object or a decorator making such a callback object.\n"
"'cdecl' must name a C function pointer type. The callback invokes the\n"
diff --git a/cffi/api.py b/cffi/api.py
--- a/cffi/api.py
+++ b/cffi/api.py
@@ -327,6 +327,13 @@
data. Later, when this new cdata object is garbage-collected,
'destructor(old_cdata_object)' will be called.
"""
+ try:
+ gcp = self._backend.gcp
+ except AttributeError:
+ pass
+ else:
+ return gcp(cdata, destructor)
+ #
with self._lock:
try:
gc_weakrefs = self.gc_weakrefs
diff --git a/testing/cffi0/backend_tests.py b/testing/cffi0/backend_tests.py
--- a/testing/cffi0/backend_tests.py
+++ b/testing/cffi0/backend_tests.py
@@ -1503,16 +1503,19 @@
def test_gc_finite_list(self):
ffi = FFI(backend=self.Backend())
+ public = not hasattr(ffi._backend, 'gcp')
p = ffi.new("int *", 123)
keepalive = []
for i in range(10):
keepalive.append(ffi.gc(p, lambda p: None))
- assert len(ffi.gc_weakrefs.data) == i + 1 #should be a private
attr
+ if public:
+ assert len(ffi.gc_weakrefs.data) == i + 1
del keepalive[:]
import gc; gc.collect(); gc.collect()
for i in range(10):
keepalive.append(ffi.gc(p, lambda p: None))
- assert len(ffi.gc_weakrefs.data) == 10
+ if public:
+ assert len(ffi.gc_weakrefs.data) == 10
def test_CData_CType(self):
ffi = FFI(backend=self.Backend())
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