static void* __timer_thread_start(void* arg) {
PosixTimer* timer = reinterpret_cast<PosixTimer*>(arg);
kernel_sigset_t sigset;
sigaddset(sigset.get(), TIMER_SIGNAL);
while (true) {
// Wait for a signal...
siginfo_t si;
memset(&si, 0, sizeof(si));
int rc = __rt_sigtimedwait(sigset.get(), &si, NULL, sizeof(sigset));
if (rc == -1) {
continue;
}
if (si.si_code == SI_TIMER) {
// This signal was sent because a timer fired, so call the callback.
timer->callback(timer->callback_argument);
} else if (si.si_code == SI_TKILL) {
// This signal was sent because someone wants us to exit.
free(timer);
return NULL;
}
}
}
static void* __timer_thread_start(void* arg) {
PosixTimer* timer = reinterpret_cast<PosixTimer*>(arg);
sigset64_t sigset = {};
sigaddset64(&sigset, TIMER_SIGNAL);
while (true) {
// Wait for a signal...
siginfo_t si = {};
if (__rt_sigtimedwait(&sigset, &si, nullptr, sizeof(sigset)) == -1) continue;
if (si.si_code == SI_TIMER) {
// This signal was sent because a timer fired, so call the callback.
// All events to the callback will be ignored when the timer is deleted.
if (atomic_load(&timer->deleted) == true) {
continue;
}
timer->callback(timer->callback_argument);
} else if (si.si_code == SI_TKILL) {
// This signal was sent because someone wants us to exit.
free(timer);
return nullptr;
}
}
}