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solid: UdevQt::Client::monitorReadyRead() optimization

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because the string returned by udev_device_get_action() is valid for as
long as the device is storing it in QByteArray is redundant

Signed-off-by: Ivailo Monev <xakepa10@gmail.com>
This commit is contained in:
Ivailo Monev 2023-09-08 07:12:22 +03:00
parent ccfd17a401
commit d519e61cb5
1 changed files with 8 additions and 11 deletions
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19
solid/solid/backends/udev/udevqtclient.cpp
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@ -66,13 +66,11 @@ DeviceList Client::allDevices()
struct udev_list_entry *list = udev_enumerate_get_list_entry(en);
udev_list_entry_foreach(entry, list) {
struct udev_device *ud = udev_device_new_from_syspath(m_udev, udev_list_entry_get_name(entry));
if (!ud) {
continue;
}
ret << Device(ud, false);
}
udev_enumerate_unref(en);
return ret;
@ -88,7 +86,6 @@ Device Client::deviceBySysfsPath(const QString &sysfsPath)
return Device(ud, false);
}
void Client::monitorReadyRead(int fd)
{
Q_UNUSED(fd);
@ -99,23 +96,23 @@ void Client::monitorReadyRead(int fd)
if (!dev) {
return;
}
Device device(dev, false);
QByteArray action(udev_device_get_action(dev));
if (action == "add") {
const Device device(dev, false);
const char* action = udev_device_get_action(dev);
if (qstrcmp(action, "add") == 0) {
emit deviceAdded(device);
} else if (action == "remove") {
} else if (qstrcmp(action, "remove") == 0) {
emit deviceRemoved(device);
} else if (action == "change") {
} else if (qstrcmp(action, "change") == 0) {
emit deviceChanged(device);
} else if (action == "online" || action == "offline") {
} else if (qstrcmp(action, "online") == 0 || qstrcmp(action, "offline") == 0) {
; // nada
} else if (Q_UNLIKELY(action != "bind" && action != "unbind")) {
} else if (qstrcmp(action, "bind") != 0 && qstrcmp(action, "unbind") != 0) {
/*
bind/unbind are driver changing for device type of event, on some systems it appears to be
broken and doing it all the time thus ignore the actions
*/
qWarning("UdevQt: unhandled device action \"%s\"", action.constData());
qWarning("UdevQt: unhandled device action \"%s\"", action);
}
}