summaryrefslogtreecommitdiffstats
path: root/Python/gc_gil.c
diff options
context:
space:
mode:
authorDonghee Na <donghee.na@python.org>2024-01-09 23:04:41 (GMT)
committerGitHub <noreply@github.com>2024-01-09 23:04:41 (GMT)
commit57bdc6c30d2665c2760ff5a88487e57c8b3c397a (patch)
treede5a4efb2a25eac14672c6a538ca6e50ae7ed582 /Python/gc_gil.c
parentcdca0ce0ad47604b7007229415817a7a152f7f9a (diff)
downloadcpython-57bdc6c30d2665c2760ff5a88487e57c8b3c397a.zip
cpython-57bdc6c30d2665c2760ff5a88487e57c8b3c397a.tar.gz
cpython-57bdc6c30d2665c2760ff5a88487e57c8b3c397a.tar.bz2
gh-111968: Introduce _PyFreeListState and _PyFreeListState_GET API (gh-113584)
Diffstat (limited to 'Python/gc_gil.c')
-rw-r--r--Python/gc_gil.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/Python/gc_gil.c b/Python/gc_gil.c
new file mode 100644
index 0000000..b0961cd
--- /dev/null
+++ b/Python/gc_gil.c
@@ -0,0 +1,23 @@
+#include "Python.h"
+#include "pycore_pystate.h" // _Py_ClearFreeLists()
+
+#ifndef Py_GIL_DISABLED
+
+/* Clear all free lists
+ * All free lists are cleared during the collection of the highest generation.
+ * Allocated items in the free list may keep a pymalloc arena occupied.
+ * Clearing the free lists may give back memory to the OS earlier.
+ */
+void
+_PyGC_ClearAllFreeLists(PyInterpreterState *interp)
+{
+ _PyTuple_ClearFreeList(interp);
+ _PyFloat_ClearFreeList(interp);
+ _PyDict_ClearFreeList(interp);
+ _PyAsyncGen_ClearFreeLists(interp);
+ _PyContext_ClearFreeList(interp);
+
+ _Py_ClearFreeLists(&interp->freelist_state, 0);
+}
+
+#endif