WG21 PAPERS

Mailings Beta

Volunteer-driven · Not affiliated with WG21 or ISO

Filter and export papers from the C++ Committee’s monthly mailings by time frame and audience using the options below, or refine your export further with the Select button. Links point directly to the official WG21 papers on open-std.org.

Submit Issue C++ Standards Committee Papers

Audience
Wording
Evolution
Study Groups
Mailings
1 · Year 1 · Month

Select the arrow to the right of the year to filter for specific months.

2026 May · 1 of 6

Pick months in 2026

Add Year +

Select Years To Display

Current Years Selected

2026
Filters Author: Paul McKenney SG1 Clear all
1 out of 1 paper selected for export
Paper Title Authors Audience Doc Date
P4221R0 Atomic Compare M. Michael, P. McKenney, M. Wong
SG1
Mailing Date 2026-05 Pre-Brno
Author(s) Maged Michael, Paul McKenney, Michael Wong
Target Audience SG1
Revisions R3R2R1
Tracking issue View on GitHub
Abstract This paper proposes adding `compare` and `compare_load` member functions to `std::atomic<T>`. These functions perform an atomic comparison of the atomic object's value with an expected value, following the same bitwise comparison semantics as `compare_exchange_strong`, but without writing a new value to the atomic object. The `compare_load` variant also updates the expected argument on failure. Th
Showing 1 of 1 paper · source: open-std.org