Stowage/cpython
2
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-10-31 05:31:20 +00:00
Code Issues Projects Releases Packages Wiki Activity

[3.14] gh-128627: Fix iPad detection in wasm-gc (GH-135388) (#135419)

Browse source 
On some iPad versions, Safari reports as "macOS". Modifies the GC trampoline detection
to add a feature-based check to detect this case.
(cherry picked from commit d447129758)

Co-authored-by: Gyeongjae Choi <def6488@gmail.com>
This commit is contained in:
Miss Islington (bot) 2025-06-12 06:28:47 +02:00 • committed by GitHub
parent 4a30154fd2
commit e76dbc87a2
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
1 changed files with 10 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

11
Python/emscripten_trampoline.c
View file

@ -71,7 +71,16 @@ EM_JS(CountArgsFunc, _PyEM_GetCountArgsPtr, (), {
// )
function getPyEMCountArgsPtr() {
let isIOS = globalThis.navigator && /iPad|iPhone|iPod/.test(navigator.platform);
// Starting with iOS 18.3.1, WebKit on iOS has an issue with the garbage
// collector that breaks the call trampoline. See #130418 and
// https://bugs.webkit.org/show_bug.cgi?id=293113 for details.
let isIOS = globalThis.navigator && (
/iPad|iPhone|iPod/.test(navigator.userAgent) ||
// Starting with iPadOS 13, iPads might send a platform string that looks like a desktop Mac.
// To differentiate, we check if the platform is 'MacIntel' (common for Macs and newer iPads)
// AND if the device has multi-touch capabilities (navigator.maxTouchPoints > 1)
(navigator.platform === 'MacIntel' && typeof navigator.maxTouchPoints !== 'undefined' && navigator.maxTouchPoints > 1)
)
if (isIOS) {
return 0;
}