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13.40.13 pthread_rwlock_clockrdlock

Specified in POSIX.1-2024. Draft specification:
https://www.austingroupbugs.net/view.php?id=1216

Documentation:

• https://www.gnu.org/software/libc/manual/html_node/Non_002dPOSIX-Extensions.html,

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

• This function is missing on many platforms: macOS 14, FreeBSD 14.0, NetBSD 10.0, OpenBSD 6.7, Minix 3.1.8, AIX 5.1, HP-UX 11, Solaris 11.4, Cygwin 2.9, mingw, MSVC 14, Android API level 29.