@node stdatomic.h @section @file{stdatomic.h} ISO C23 specification:@* @url{https://www.open-std.org/jtc1/sc22/wg14/www/docs/n3220.pdf} section 7.17. POSIX specification:@* @url{https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/stdatomic.h.html} Gnulib module: --- Portability problems fixed by Gnulib: @itemize @end itemize Portability problems not fixed by Gnulib: @itemize @item This header file is missing on many platforms: glibc with GCC 4.8.x or clang 2.8, FreeBSD 6.4, NetBSD 7.0, OpenBSD 6.5, OpenBSD 6.9 with gcc, Minix 3.3.0, AIX 7.2 with xlc or xlclang, HP-UX 11.31, Solaris 11.3 with Oracle Studio 12.4 (Sun C 5.13), Cygwin 1.5.19, mingw, MSVC 14. @item Linus Torvalds believes that ``no compiler writer will get the C/C++ memory model right''; see @url{https://lkml.org/lkml/2018/6/7/761}. @end itemize