int sys_kill(pid_t pid, int sig) {
if(sig>=0 && sig<SIGNAL_MAX && _trans_number2index[sig] != _SIGUNDEF) {
struct process *dest;
printk(LOG_DEBUG, "signal: kill(%d, %d)\n", pid, sig);
// depending pid value, this can be a gid or a pid
if(pid > 0) {
dest = process_from_pid(pid);
if(dest != NULL)
signal_raise(dest, sig);
else
return -EPERM;
}
else {
// process group
pid = pid==0 ? _proc_current->pgid : -pid;
signal_pgid_raise(pid, sig);
}
}
else {
return -EINVAL;
}
return 0;
}
void signal_pgid_raise(pid_t pgid, int sig) {
struct process *dest;
for_each_process(dest) {
//printk(LOG_DEBUG, "pgid_raise: pid %d, pgid %d\n", dest->pid, dest->pgid);
if (dest->pgid == pgid)
signal_raise(dest, sig);
}
}
void Tray::trayiconActivated(QSystemTrayIcon::ActivationReason reason)
{
switch (reason)
{
//单击托盘图标
case QSystemTrayIcon::Trigger:
break;
case QSystemTrayIcon::DoubleClick:
//双击托盘图标
emit signal_showNormal();
emit signal_raise();
break;
default:
break;
}
}
