Alexander Aleksandrovič Klimov

According to my IDE, ErrEventOverflow is used only for inotify (Linux), but at least the sysFSQOVERFLOW constant (Windows) hints that such overflows happens not just on Linux. Problem: the others...

check_disk: return UNKNOWN instead of CRITICAL where…

3

… a disk's usage isn't available

As the check actually generates an alert if V < W|C, not V > W|C, the perfdata shall be L=V;W:;C:, not L=V;W;C. https://nagios-plugins.org/doc/guidelines.html#THRESHOLDFORMAT ## Before/after ``` [vagrant@icinga-web-2-development ~]$ icingacli x509...

by putting all selected columns in either GROUP BY or aggregation functions. Otherwise MySQL 8 says: ERROR 1055 (42000): Expression #4 of SELECT list is not in GROUP BY clause...

Require GCC 7+ for C++17

1

## Rationale * more nice language features we can use instantly in features (and even in to be backported PRs as of Icinga... v2.15 I guess, security fixes – v2.16?)...

StartUnixWorker(): watch forked child via waitpid(), not SIGCHLD handler

5

## Before On SIGCHLD from the forked worker the umbrella process sets a failure flag. StartUnixWorker() recognises that and does waitpid(), failure message, etc.. On OpenBSD we can't tell the...

AsioConditionVariable#Wait(): don't unnecessarily waste CPU time

15

by letting the timer expire at a time which theoretically could be reached in #Clear(), so that a #Wait()ing coroutine actually sleeps.

Logger: don't render log messages which will be disposed anyway

2

by caching the total minimum log severity of all loggers in a "global variable" and whether a message's severity is large enough for any of the loggers in a per-message...

Utility::ValidateUTF8(): move a string instead of copying a vector

3

less malloc() = more speed Especially as JsonEncode() validates every single input string. fixes #9506