2 @subsection @code{cnd_timedwait}
5 ISO C23 specification:@* @url{http://www.open-std.org/jtc1/sc22/wg14/www/docs/n3220.pdf} section 7.28.3.5.
7 POSIX specification:@* @url{https://pubs.opengroup.org/onlinepubs/9799919799/functions/cnd_timedwait.html}
11 @ref{ISO C Condition Variables,,Condition Variables,libc}.
14 @url{https://www.gnu.org/software/libc/manual/html_node/ISO-C-Condition-Variables.html}.
19 Portability problems fixed by Gnulib:
22 This function is missing on many platforms:
23 glibc 2.27, macOS 14, FreeBSD 9.3, NetBSD 8.0, OpenBSD 7.5, Minix 3.1.8, AIX 7.1, HP-UX 11.31, Solaris 11.3, Cygwin 3.1.x, mingw, MSVC 14, Android API level 29.
26 Portability problems not fixed by Gnulib:
29 This function sometimes waits indefinitely
30 instead of up to the specified time point,
31 on some platforms (glibc/Linux, musl libc) in some hypervisors:
32 VirtualBox 6.1.50_Ubuntu with paravirtualization set to "Default" or "KVM".