* doc/pastposix-functions/usleep.texi: Mention Cygwin 3.5.3 bug.
+2024-06-07 Bruno Haible <bruno@clisp.org>
+
+ usleep: Document Cygwin bug.
+ * doc/pastposix-functions/usleep.texi: Mention Cygwin 3.5.3 bug.
+
2024-06-06 Paul Eggert <eggert@cs.ucla.edu>
tzname: document some limitations
According to POSIX, the @code{usleep} function may interfere with the program's
use of the @code{SIGALRM} signal. On Linux, it doesn't; on other platforms,
it may.
+@item
+On some systems, @code{usleep} may sleep for less than the indicated duration:
+Cygwin 3.5.3.
@end itemize