[notaxeltv]

What

sceSystemServiceOpenTournamentOccurrence is a stub that throws. Match sceSystemServiceOpenChallengeActivity: return success without system UI, listed under Silent stubs. PPSA34015 imports it (tools/import_audit.py stub).

Tested

Windows 10, WinLibs GCC 15.2.0, guest_system_service covers the return. tools/check_conventions.py --base upstream/main passes.

Checklist

• Based on current main; no other open PR implements the same functions
• One topic per PR; follow-ups go in a new PR
• No comments in code except technical debt
• Unimplemented paths throw (NotImplemented_nid_no_patch); silent stubs are listed under Silent stubs in their library's technical debt file
• No notes, investigation .md files or images added to the repository (attach them to this PR)
• New third-party code is a submodule built from source (none)
• Generic behaviour, not specific to one title
• Depends on: none
• Unblocks: PPSA34015 (stub import)
• GPUs tested: n/a
• AI-assisted: yes

Made with Cursor

[github-actions]

Progress report (153d5d4 → 7c806e2)

📈 System libraries: 88.72% (+0.03%, +1 implemented functions)

✅ 1 implemented

Library	Name
libSceSystemService	sceSystemServiceOpenTournamentOccurrence

⚪ 1 behaviourally empty (constant return or throw)

Library	Name
libSceSystemService	sceSystemServiceOpenTournamentOccurrence

[github-actions]

Some comparisons could not be completed because a pull request conflicts with the base branch. Review these shared files manually before concluding that there is no overlap.

Pull request	Shared files not compared
PR 5877	docs/dev/debt/libSceSystemService.md
PR 6044	core/libs/tests/GuestSystemService.cpp
PR 6447	core/libs/prx/libSceSystemService/Export.cpp docs/dev/debt/libSceSystemService.md

[coltken95]

Tested on Linux x86-64 (Release build), with 7c806e2 merged into main 8cd937e:

• With the PR: guest_system_service passes.
• With main's libSceSystemService/Export.cpp: guest_system_service aborts with what(): sceSystemServiceOpenTournamentOccurrence not implemented.

AI-assisted: yes (Claude Code)

[notaxeltv]

Closing to free intake for PPSA15552 GeomCalcListener parallel-orientation fix (Dead Cells playable).