summaryrefslogtreecommitdiffstats
path: root/Include/pyhash.h
diff options
context:
space:
mode:
authorVictor Stinner <vstinner@python.org>2020-05-12 16:46:20 (GMT)
committerGitHub <noreply@github.com>2020-05-12 16:46:20 (GMT)
commitf453221c8b80e0570066a9375337f208d50e6406 (patch)
tree9ea682c978b6a302388c4df1b8174d5188e0b2d2 /Include/pyhash.h
parent4c9ea093cd752a6687864674d34250653653f743 (diff)
downloadcpython-f453221c8b80e0570066a9375337f208d50e6406.zip
cpython-f453221c8b80e0570066a9375337f208d50e6406.tar.gz
cpython-f453221c8b80e0570066a9375337f208d50e6406.tar.bz2
bpo-40602: Add _Py_HashPointerRaw() function (GH-20056)
Add a new _Py_HashPointerRaw() function which avoids replacing -1 with -2 to micro-optimize hash table using pointer keys: using _Py_hashtable_hash_ptr() hash function.
Diffstat (limited to 'Include/pyhash.h')
-rw-r--r--Include/pyhash.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/Include/pyhash.h b/Include/pyhash.h
index 2f39858..4437b87 100644
--- a/Include/pyhash.h
+++ b/Include/pyhash.h
@@ -9,6 +9,8 @@ extern "C" {
#ifndef Py_LIMITED_API
PyAPI_FUNC(Py_hash_t) _Py_HashDouble(double);
PyAPI_FUNC(Py_hash_t) _Py_HashPointer(const void*);
+// Similar to _Py_HashPointer(), but don't replace -1 with -2
+PyAPI_FUNC(Py_hash_t) _Py_HashPointerRaw(const void*);
PyAPI_FUNC(Py_hash_t) _Py_HashBytes(const void*, Py_ssize_t);
#endif