Differential D13357 Diff 35769 dataengines/time/timeengine.cpp

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dataengines/time/timeengine.cpp

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28 28​
29#ifdef Q_OS_LINUX 29​#ifdef Q_OS_LINUX
30#include <sys/timerfd.h> 30​#include <sys/timerfd.h>
31#include <unistd.h> 31​#include <unistd.h>
32#include <fcntl.h> 32​#include <fcntl.h>
33#endif 33​#endif
34 34​
35#include "timesource.h" 35​#include "timesource.h"
36​#include "debug.h"
36 37​
37//timezone is defined in msvc 38​//timezone is defined in msvc
38#ifdef timezone 39​#ifdef timezone
39#undef timezone 40​#undef timezone
40#endif 41​#endif
41 42​
42TimeEngine::TimeEngine(QObject *parent, const QVariantList &args) 43​TimeEngine::TimeEngine(QObject *parent, const QVariantList &args)
43 : Plasma::DataEngine(parent, args) 44​ : Plasma::DataEngine(parent, args)
Show All 21 Lines65#ifdef Q_OS_LINUX
65 //monitor for the system clock being changed 66​ //monitor for the system clock being changed
66 auto timeChangedFd = timerfd_create(CLOCK_REALTIME, O_CLOEXEC | O_NONBLOCK); 67​ auto timeChangedFd = timerfd_create(CLOCK_REALTIME, O_CLOEXEC | O_NONBLOCK);
67 itimerspec timespec; 68​ itimerspec timespec;
68 memset(&timespec, 0, sizeof(timespec)); //set all timers to 0 seconds, which creates a timer that won't do anything 69​ memset(&timespec, 0, sizeof(timespec)); //set all timers to 0 seconds, which creates a timer that won't do anything
69 70​
70 int err = timerfd_settime(timeChangedFd, 3, &timespec, nullptr); //monitor for the time changing 71​ int err = timerfd_settime(timeChangedFd, 3, &timespec, nullptr); //monitor for the time changing
71 //(flags == TFD_TIMER_ABSTIME | TFD_TIMER_CANCEL_ON_SET). However these are not exposed in glibc so value is hardcoded 72​ //(flags == TFD_TIMER_ABSTIME | TFD_TIMER_CANCEL_ON_SET). However these are not exposed in glibc so value is hardcoded
72 if (err) { 73​ if (err) {
73 qWarning() << "Could not create timer with TFD_TIMER_CANCEL_ON_SET. Clock skews will not be detected. Error:" << qPrintable(strerror(err)); 74​ qCWarning(DATAENGINE_TIME) << "Could not create timer with TFD_TIMER_CANCEL_ON_SET. Clock skews will not be detected. Error:" << qPrintable(strerror(err));
74 } 75​ }
75 76​
76 connect(this, &QObject::destroyed, [timeChangedFd]() { 77​ connect(this, &QObject::destroyed, [timeChangedFd]() {
77 close(timeChangedFd); 78​ close(timeChangedFd);
78 }); 79​ });
79 80​
80 auto notifier = new QSocketNotifier(timeChangedFd, QSocketNotifier::Read, this); 81​ auto notifier = new QSocketNotifier(timeChangedFd, QSocketNotifier::Read, this);
81 connect(notifier, &QSocketNotifier::activated, this, [this](int fd) { 82​ connect(notifier, &QSocketNotifier::activated, this, [this](int fd) {
Show All 9 Lines89 dbus.connect(QStringLiteral("org.kde.Solid.PowerManagement"),
91 QStringLiteral("resumingFromSuspend"), 92​ QStringLiteral("resumingFromSuspend"),
92 this, 93​ this,
93 SLOT(clockSkewed())); 94​ SLOT(clockSkewed()));
94#endif 95​#endif
95} 96​}
96 97​
97void TimeEngine::clockSkewed() 98​void TimeEngine::clockSkewed()
98{ 99​{
99 qDebug() << "Time engine Clock skew signaled"; 100​ qCDebug(DATAENGINE_TIME) << "Time engine Clock skew signaled";
100 updateAllSources(); 101​ updateAllSources();
101 forceImmediateUpdateOfAllVisualizations(); 102​ forceImmediateUpdateOfAllVisualizations();
102} 103​}
103 104​
104void TimeEngine::tzConfigChanged() 105​void TimeEngine::tzConfigChanged()
105{ 106​{
106 qDebug() << "Local timezone changed signaled"; 107​ qCDebug(DATAENGINE_TIME) << "Local timezone changed signaled";
107 TimeSource *s = qobject_cast<TimeSource *>(containerForSource(QStringLiteral("Local"))); 108​ TimeSource *s = qobject_cast<TimeSource *>(containerForSource(QStringLiteral("Local")));
108 109​
109 if (s) { 110​ if (s) {
110 s->setTimeZone(QStringLiteral("Local")); 111​ s->setTimeZone(QStringLiteral("Local"));
111 } 112​ }
112 113​
113 updateAllSources(); 114​ updateAllSources();
114 forceImmediateUpdateOfAllVisualizations(); 115​ forceImmediateUpdateOfAllVisualizations();
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