Today (Saturday) We will make some minor tuning adjustments to MySQL.

You may experience 2 up to 10 seconds "glitch time" when we restart MySQL. We expect to make these adjustments around 1AM Eastern Daylight Saving Time (EDT) US.


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mod_harbour is an extension for the Apache web server to allow Clipper/dBase/Foxpro source code to be used in the same way that php is used.
GitHub - FiveTechSoft/mod_harbour: Apache mod for Harbour
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SIGSETOPS(3)						     Linux Programmer's Manual						      SIGSETOPS(3)

sigemptyset, sigfillset, sigaddset, sigdelset, sigismember - POSIX signal set operations.
#include <signal.h> int sigemptyset(sigset_t *set); int sigfillset(sigset_t *set); int sigaddset(sigset_t *set, int signum); int sigdelset(sigset_t *set, int signum); int sigismember(const sigset_t *set, int signum); Feature Test Macro Requirements for glibc (see feature_test_macros(7)): sigemptyset(), sigfillset(), sigaddset(), sigdelset(), sigismember(): _POSIX_C_SOURCE >= 1 || _XOPEN_SOURCE || _POSIX_SOURCE
These functions allow the manipulation of POSIX signal sets. sigemptyset() initializes the signal set given by set to empty, with all signals excluded from the set. sigfillset() initializes set to full, including all signals. sigaddset() and sigdelset() add and delete respectively signal signum from set. sigismember() tests whether signum is a member of set. Objects of type sigset_t must be initialized by a call to either sigemptyset() or sigfillset() before being passed to the functions sigaddset(), sigdelset() and sigismember() or the additional glibc functions described below (sigisemptyset(), sigandset(), and sig- orset()). The results are undefined if this is not done.
sigemptyset(), sigfillset(), sigaddset(), and sigdelset() return 0 on success and -1 on error. sigismember() returns 1 if signum is a member of set, 0 if signum is not a member, and -1 on error. On error, these functions set errno to indicate the cause.
EINVAL sig is not a valid signal.
Glibc notes If the _GNU_SOURCE feature test macro is defined, then <signal.h> exposes three other functions for manipulating signal sets. int sigisemptyset(sigset_t *set); returns 1 if set contains no signals, and 0 otherwise. int sigorset(sigset_t *dest, sigset_t *left, sigset_t *right); places the union of the sets left and right in dest. int sigandset(sigset_t *dest, sigset_t *left, sigset_t *right); places the intersection of the sets left and right in dest. sigorset() and sigandset() return 0 on success, and -1 on failure. These functions are nonstandard (a few other systems provide similar functions) and their use should be avoided in portable applications.
sigaction(2), sigpending(2), sigprocmask(2), sigsuspend(2)
This page is part of release 3.53 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at Linux 2013-04-19 SIGSETOPS(3)

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