int main(int argc, char *argv[])
{
struct sigevent ev;
timer_t tid;
struct itimerspec its;
ev.sigev_notify = SIGEV_SIGNAL;
ev.sigev_signo = SIGTOTEST;
if (timer_create(CLOCK_REALTIME, &ev, &tid) != 0) {
perror("timer_create() did not return success\n");
return PTS_UNRESOLVED;
}
if (timer_delete(tid) != 0) {
perror("timer_delete() did not return success\n");
return PTS_UNRESOLVED;
}
its.it_interval.tv_sec = 0;
its.it_interval.tv_nsec = 0;
its.it_value.tv_sec = TIMERSEC;
its.it_value.tv_nsec = 0;
if (timer_settime(tid, 0, &its, NULL) == -1) {
if (errno==EINVAL) {
printf("Test PASSED\n");
return PTS_PASS;
} else {
printf("errno!=EINVAL after a timer_delete()\n");
return PTS_FAIL;
}
} else {
printf("timer_settime() did not fail after timer_delete()\n");
return PTS_FAIL;
}
printf("This code should not be executed\n");
return PTS_UNRESOLVED;
}
int main()
{
struct itimerspec ts;
struct sigaction sa;
struct sigevent sev;
timer_t tid;
int j;
/* Establish handler for notification signal */
sa.sa_flags = SA_SIGINFO;
sa.sa_sigaction = handler;
sigemptyset(&sa.sa_mask);
if (sigaction(TIMER_SIG, &sa, NULL) == -1){
perror("sigaction");
}
/* Create and start timer */
ts.it_interval.tv_sec = 2;
ts.it_interval.tv_nsec = 10;
ts.it_value.tv_sec = 1;
ts.it_value.tv_nsec = 20;
/* pass timer id to handler */
sev.sigev_value.sival_ptr = &tid;
sev.sigev_notify = SIGEV_SIGNAL; /* Notify via signal */
sev.sigev_signo = SIGRTMAX; /* Notify using this signal */
if (timer_create(CLOCK_REALTIME, &sev, &tid) == -1){
perror("timer_create");
exit(1);
}
if (timer_settime(tid, 0, &ts, NULL) == -1)
perror("timer_settime");
for (;;) /* Wait for incoming timer signals */
pause();
}
int
main(int argc, char **argv)
{
struct sigevent ev;
struct itimerspec ts;
sigset_t set;
timer_t tid;
char *cmd = argv[0];
ev.sigev_notify = SIGEV_SIGNAL;
ev.sigev_signo = SIGUSR1;
if (timer_create(CLOCK_REALTIME, &ev, &tid) == -1) {
(void) fprintf(stderr, "%s: cannot create CLOCK_HIGHRES "
"timer: %s\n", cmd, strerror(errno));
exit(EXIT_FAILURE);
}
(void) sigemptyset(&set);
(void) sigaddset(&set, SIGUSR1);
(void) sigprocmask(SIG_BLOCK, &set, NULL);
ts.it_value.tv_sec = 1;
ts.it_value.tv_nsec = 0;
ts.it_interval.tv_sec = 0;
ts.it_interval.tv_nsec = NANOSEC / 2;
if (timer_settime(tid, TIMER_RELTIME, &ts, NULL) == -1) {
(void) fprintf(stderr, "%s: timer_settime() failed: %s\n",
cmd, strerror(errno));
exit(EXIT_FAILURE);
}
for (;;) {
(void) sigwait(&set);
}
/*NOTREACHED*/
return (0);
}
static int dynticks_start_timer(struct qemu_alarm_timer *t)
{
struct sigevent ev;
timer_t host_timer;
struct sigaction act;
sigfillset(&act.sa_mask);
act.sa_flags = 0;
act.sa_handler = host_alarm_handler;
sigaction(SIGALRM, &act, NULL);
/*
* Initialize ev struct to 0 to avoid valgrind complaining
* about uninitialized data in timer_create call
*/
memset(&ev, 0, sizeof(ev));
ev.sigev_value.sival_int = 0;
ev.sigev_notify = SIGEV_SIGNAL;
#ifdef SIGEV_THREAD_ID
if (qemu_signalfd_available()) {
ev.sigev_notify = SIGEV_THREAD_ID;
ev._sigev_un._tid = qemu_get_thread_id();
}
#endif /* SIGEV_THREAD_ID */
ev.sigev_signo = SIGALRM;
if (timer_create(CLOCK_REALTIME, &ev, &host_timer)) {
perror("timer_create");
/* disable dynticks */
fprintf(stderr, "Dynamic Ticks disabled\n");
return -1;
}
t->timer = host_timer;
return 0;
}
asyncOp *selectNewAsyncOp(asyncBase *base)
{
asyncOp *op = new asyncOp;
if (op) {
struct sigevent sEvent;
op->internalBuffer = 0;
op->internalBufferSize = 0;
op->list = 0;
op->next = 0;
op->prev = 0;
sEvent.sigev_notify = SIGEV_SIGNAL;
sEvent.sigev_signo = SIGRTMIN;
sEvent.sigev_value.sival_ptr = op;
if (timer_create(CLOCK_REALTIME, &sEvent, &op->timerId) == -1) {
fprintf(stderr,
" * newSelectOp: timer_create error %s\n",
strerror(errno));
}
}
return op;
}
DLLEXPORT int jl_profile_start_timer(void)
{
struct sigevent sigprof;
struct sigaction sa;
sigset_t ss;
// Make sure SIGUSR2 is unblocked
sigemptyset(&ss);
sigaddset(&ss, SIGUSR2);
if (sigprocmask(SIG_UNBLOCK, &ss, NULL) == -1)
return -4;
// Establish the signal handler
memset(&sa, 0, sizeof(struct sigaction));
sa.sa_flags = SA_SIGINFO;
sa.sa_sigaction = profile_bt;
sigemptyset(&sa.sa_mask);
if (sigaction(SIGUSR2, &sa, NULL) == -1)
return -1;
// Establish the signal event
memset(&sigprof, 0, sizeof(struct sigevent));
sigprof.sigev_notify = SIGEV_SIGNAL;
sigprof.sigev_signo = SIGUSR2;
sigprof.sigev_value.sival_ptr = &timerprof;
if (timer_create(CLOCK_REALTIME, &sigprof, &timerprof) == -1)
return -2;
// Start the timer
itsprof.it_interval.tv_sec = nsecprof/GIGA;
itsprof.it_interval.tv_nsec = nsecprof%GIGA;
itsprof.it_value.tv_sec = nsecprof/GIGA;
itsprof.it_value.tv_nsec = nsecprof%GIGA;
if (timer_settime(timerprof, 0, &itsprof, NULL) == -1)
return -3;
running = 1;
return 0;
}
err_t http_cache_init(struct ip_addr server, const char *path,
void (*callback)(void))
{
struct timer *cache_timer; /* timer for triggering cache timeouts */
init_callback = callback;
/* FIXME: Start the trace */
#if ENABLE_WEB_TRACING
printf("Starting tracing\n");
errval_t err = trace_control(TRACE_EVENT(TRACE_SUBSYS_NET,
TRACE_EVENT_NET_START, 0),
TRACE_EVENT(TRACE_SUBSYS_NET,
TRACE_EVENT_NET_STOP, 0), 0);
if(err_is_fail(err)) {
USER_PANIC_ERR(err, "trace_control failed");
}
trace_event(TRACE_SUBSYS_NET, TRACE_EVENT_NET_START, 0);
#else // ENABLE_WEB_TRACING
printf("Tracing not enabled\n");
#endif // ENABLE_WEB_TRACING
my_nfs_client = nfs_mount(server, path, mount_callback, NULL);
assert(my_nfs_client != NULL);
/* creating the empty cache */
cache_table = NULL;
create_404_page_cache();
cache_timer = timer_create(MAX_STALENESS, true, cache_timeout_event,
cache_table);
assert (cache_timer != NULL);
if (cache_timer == NULL) {
printf ("http_cache_init failed in timer_create\n");
return ERR_MEM;
}
timer_start(cache_timer);
DEBUGPRINT ("http_cache_init done\n");
return ERR_OK;
} /* end function: http_cache_init */
static int set_timer(timer_t *tid, unsigned int timeout)
{
struct sigevent sigev = {};
struct itimerspec it = {};
sigev.sigev_notify = SIGEV_SIGNAL;
sigev.sigev_signo = SIGRTMIN;
sigev.sigev_value.sival_ptr = tid;
if (timer_create(CLOCK_MONOTONIC, &sigev, tid)) {
ploop_err(errno, "timer_create");
return -1;
}
it.it_value.tv_sec = timeout;
it.it_value.tv_nsec = 0;
if (timer_settime(*tid, 0, &it, NULL)) {
ploop_err(errno, "timer_settime");
return -1;
}
return 0;
}
void streamVideo(send_frame_data_t *data) {
// The following snippet is used to create and start a new timer that runs
// every 40 ms.
deleteTimer(data);
struct sigevent play_event;
struct itimerspec play_interval;
memset(&play_event, 0, sizeof(play_event));
play_event.sigev_notify = SIGEV_THREAD;
play_event.sigev_value.sival_ptr = data;
play_event.sigev_notify_function = send_frame;
play_interval.it_interval.tv_sec = 0;
play_interval.it_interval.tv_nsec = 40 * 1000000; // 40 ms in ns
play_interval.it_value.tv_sec = 0;
play_interval.it_value.tv_nsec = 1; // can't be zero
timer_create(CLOCK_REALTIME, &play_event, &data->play_timer);
timer_settime(data->play_timer, 0, &play_interval, NULL);
}
TEST(time, timer_create) {
sigevent_t se;
memset(&se, 0, sizeof(se));
se.sigev_notify = SIGEV_THREAD;
se.sigev_notify_function = NoOpNotifyFunction;
timer_t timer_id;
ASSERT_EQ(0, timer_create(CLOCK_MONOTONIC, &se, &timer_id));
pid_t pid = fork();
ASSERT_NE(-1, pid) << strerror(errno);
if (pid == 0) {
// Timers are not inherited by the child.
ASSERT_EQ(-1, timer_delete(timer_id));
ASSERT_EQ(EINVAL, errno);
_exit(0);
}
AssertChildExited(pid, 0);
ASSERT_EQ(0, timer_delete(timer_id));
}
void *time_update( void *ptr )
{
struct sigevent event;
struct itimerspec itime;
timer_t timer_id;
int chid, rcvid;
my_message_t msg;
chid = ChannelCreate(0);
event.sigev_notify = SIGEV_PULSE;
event.sigev_coid = ConnectAttach(ND_LOCAL_NODE, 0,
chid,
_NTO_SIDE_CHANNEL, 0);
event.sigev_priority = getprio(0);
event.sigev_code = MY_PULSE_CODE;
timer_create(CLOCK_REALTIME, &event, &timer_id);
itime.it_value.tv_sec = 0;
/* 100 ms = .1 secs */
itime.it_value.tv_nsec = 100000000;
itime.it_interval.tv_sec = 0;
/* 100 ms = .1 secs */
itime.it_interval.tv_nsec = 100000000;
timer_settime(timer_id, 0, &itime, NULL);
// This for loop will update the global_time for every 100 ms which is 1 minute in simulation time.
for (;;) {
rcvid = MsgReceive(chid, &msg, sizeof(msg), NULL);
if (rcvid == 0) { /* we got a pulse */
if (msg.pulse.code == MY_PULSE_CODE) {
if (global_time > 0)
global_time--;
else
break;
//printf("we got a pulse from our timer and time = %d\n", global_time);
} /* else other pulses ... */
} /* else other messages ... */
}
}
AlarmTimer::AlarmTimer(void)
:timerId(0),armed(false),expired(false)
{
/* Initialize the alarm timer class if this is the first one: */
if(numAlarmTimers==0)
{
/* Install the signal handler: */
struct sigaction sigAction;
sigAction.sa_sigaction=signalHandler;
sigemptyset(&sigAction.sa_mask);
sigAction.sa_flags=SA_SIGINFO;
sigaction(SIGRTMIN,&sigAction,NULL);
}
++numAlarmTimers;
/* Create a per-process timer: */
struct sigevent timerEvent;
timerEvent.sigev_notify=SIGEV_SIGNAL;
timerEvent.sigev_signo=SIGRTMIN;
timerEvent.sigev_value.sival_ptr=this;
timer_create(CLOCK_REALTIME,&timerEvent,&timerId);
}
int setTimer(long long int duration_ns, TimerCallback callback, int signo)
{
printf("duration_ns = %lld\n", duration_ns);
struct sigaction action;
struct sigevent evp;
struct itimerspec ispec;
timer_t timerid = 0;
memset(&action, 0, sizeof(action));
memset(&evp, 0, sizeof(evp));
/* set signal handler */
action.sa_sigaction = SignalHandler;
action.sa_flags = SA_SIGINFO | SA_RESTART;
sigemptyset(&action.sa_mask);
if(sigaction(SIGRTMIN + 1, &action, NULL) < 0){
perror("sigaction error");
exit(1);
}
/* set intarval timer (10ms) */
evp.sigev_notify = SIGEV_SIGNAL;
evp.sigev_signo = signo;
evp.sigev_value.sival_ptr = (void*)(callback);
if(timer_create(CLOCK_REALTIME, &evp, &timerid) < 0){
perror("timer_create error");
exit(1);
}
ispec.it_interval.tv_sec = 0;
ispec.it_interval.tv_nsec = 0; // 10000000; One shot timer
ispec.it_value.tv_sec = int(duration_ns / 1000000000LL);
ispec.it_value.tv_nsec = int(duration_ns % 1000000000LL);
if(timer_settime(timerid, 0, &ispec, NULL) < 0){
perror("timer_settime error");
exit(1);
}
return 0;
}
void GKI_init(void)
{
pthread_mutexattr_t attr;
tGKI_OS *p_os;
memset (&gki_cb, 0, sizeof (gki_cb));
gki_buffer_init();
gki_timers_init();
alarm_service_init();
gki_cb.com.OSTicks = (UINT32) times(0);
pthread_mutexattr_init(&attr);
#ifndef __CYGWIN__
pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE_NP);
#endif
p_os = &gki_cb.os;
pthread_mutex_init(&p_os->GKI_mutex, &attr);
/* pthread_mutex_init(&GKI_sched_mutex, NULL); */
#if (GKI_DEBUG == TRUE)
pthread_mutex_init(&p_os->GKI_trace_mutex, NULL);
#endif
/* pthread_mutex_init(&thread_delay_mutex, NULL); */ /* used in GKI_delay */
/* pthread_cond_init (&thread_delay_cond, NULL); */
struct sigevent sigevent;
memset(&sigevent, 0, sizeof(sigevent));
sigevent.sigev_notify = SIGEV_THREAD;
sigevent.sigev_notify_function = (void (*)(union sigval))bt_alarm_cb;
sigevent.sigev_value.sival_ptr = NULL;
if (timer_create(CLOCK_REALTIME, &sigevent, &posix_timer) == -1) {
ALOGE("%s unable to create POSIX timer: %s", __func__, strerror(errno));
timer_created = false;
} else {
timer_created = true;
}
}
static int systimer_create(systimer_t* id, unsigned int period, int oneshot, systimer_proc callback, void* cbparam)
{
struct sigevent sev;
struct itimerspec tv;
timer_context_t* ctx;
ctx = (timer_context_t*)malloc(sizeof(timer_context_t));
if(!ctx)
return -ENOMEM;;
memset(ctx, 0, sizeof(timer_context_t));
ctx->callback = callback;
ctx->cbparam = cbparam;
memset(&sev, 0, sizeof(sev));
sev.sigev_notify = SIGEV_THREAD;
sev.sigev_value.sival_ptr = ctx;
sev.sigev_notify_function = timer_schd_worker;
if(0 != timer_create(CLOCK_MONOTONIC, &sev, &ctx->timerId))
{
free(ctx);
return -errno;
}
tv.it_interval.tv_sec = period / 1000;
tv.it_interval.tv_nsec = (period % 1000) * 1000000; // 10(-9)second
tv.it_value.tv_sec = tv.it_interval.tv_sec;
tv.it_value.tv_nsec = tv.it_interval.tv_nsec;
if(0 != timer_settime(ctx->timerId, 0, &tv, NULL))
{
timer_delete(ctx->timerId);
free(ctx);
return -errno;
}
*id = (systimer_t)ctx;
return 0;
}
int main(void)
{
struct sigevent ev;
timer_t tid;
struct itimerspec its, oits;
ev.sigev_notify = SIGEV_SIGNAL;
ev.sigev_signo = SIGCONT;
its.it_interval.tv_sec = 0;
its.it_interval.tv_nsec = 0;
its.it_value.tv_sec = TIMERSEC;
its.it_value.tv_nsec = 0;
if (timer_create(CLOCK_REALTIME, &ev, &tid) != 0) {
perror("timer_create() did not return success\n");
return PTS_UNRESOLVED;
}
if (timer_settime(tid, 0, &its, &oits) != 0) {
perror("timer_settime() did not return success\n");
return PTS_UNRESOLVED;
}
if ((0 == oits.it_value.tv_sec) &&
(0 == oits.it_value.tv_nsec) &&
(0 == oits.it_interval.tv_sec) && (0 == oits.it_interval.tv_nsec)) {
printf("Test PASSED\n");
return PTS_PASS;
}
printf("Test FAILED: value: tv_sec %d tv_nsec %d\n",
(int)oits.it_value.tv_sec, (int)oits.it_value.tv_nsec);
printf("Test FAILED: interval: tv_sec %d tv_nsec %d\n",
(int)oits.it_interval.tv_sec,
(int)oits.it_interval.tv_nsec);
return PTS_FAIL;
}
int
rb_ports_sched_event(struct ev_entry *event, int when)
{
timer_t *id;
struct sigevent ev;
port_notify_t not;
struct itimerspec ts;
event->comm_ptr = rb_malloc(sizeof(timer_t));
id = event->comm_ptr;
memset(&ev, 0, sizeof(ev));
ev.sigev_notify = SIGEV_PORT;
ev.sigev_value.sival_ptr = ¬
memset(¬, 0, sizeof(not));
not.portnfy_port = pe;
not.portnfy_user = event;
if(timer_create(CLOCK_REALTIME, &ev, id) < 0)
{
rb_lib_log("timer_create: %s\n", strerror(errno));
return 0;
}
memset(&ts, 0, sizeof(ts));
ts.it_value.tv_sec = when;
ts.it_value.tv_nsec = 0;
if(event->frequency != 0)
ts.it_interval = ts.it_value;
if(timer_settime(*id, 0, &ts, NULL) < 0)
{
rb_lib_log("timer_settime: %s\n", strerror(errno));
return 0;
}
return 1;
}
int event_queue_add_timer(int eq, int *id, int sec) {
static int timer_id = 0xffffff00;
port_notify_t pnotif;
struct sigevent sigev;
itimerspec_t it;
timer_t tid;
timer_id++;
pnotif.portnfy_port = eq;
pnotif.portnfy_user = (void *) (long) timer_id;
sigev.sigev_notify = SIGEV_PORT;
sigev.sigev_value.sival_ptr = &pnotif;
if (timer_create(CLOCK_REALTIME, &sigev, &tid) < 0) {
uwsgi_error("timer_create()");
return -1;
}
it.it_value.tv_sec = sec;
it.it_value.tv_nsec = 0;
it.it_interval.tv_sec = sec;
it.it_interval.tv_nsec = 0;
if (timer_settime(tid, 0, &it, NULL) < 0) {
uwsgi_error("timer_settime()");
return -1;
}
*id = timer_id;
return *id;
}
utimer_t* utimer(
socket_t* socket,
packet_t* packet,
timer_type_t type)
{
utimer_t* new_timer = calloc(1, sizeof(utimer_t));
new_timer->event = calloc(1, sizeof(struct sigevent));
new_timer->event->sigev_notify = SIGEV_THREAD;
new_timer->event->sigev_notify_function = socket_timer_handler;
new_timer->event->sigev_notify_attributes = NULL;
new_timer->event->sigev_signo = RUDP_SOCKET_SIGNAL;
new_timer->event->sigev_value.sival_ptr = new_timer;
new_timer->socket = socket;
new_timer->packet = packet;
new_timer->type = type;
timer_create(CLOCK_REALTIME, new_timer->event, &new_timer->timer);
debug_print("utimer(): %p\n", new_timer);
return new_timer;
}
int main(int argc, char *argv[])
{
struct sigevent ev;
timer_t tid;
ev.sigev_notify = SIGEV_SIGNAL;
ev.sigev_signo = SIGALRM;
if (timer_create(INVALIDCLOCKID, &ev, &tid) == -1) {
if (EINVAL == errno) {
printf("Test PASSED\n");
return PTS_PASS;
} else {
printf("errno != EINVAL\n");
printf("Test FAILED\n");
return PTS_FAIL;
}
} else {
printf("timer_create returned success\n");
return PTS_UNRESOLVED;
}
return PTS_UNRESOLVED;
}
void MW_setTaskPeriod(double periodInSeconds, int sigNo)
{
timer_t timerId;
struct sigevent sev;
struct itimerspec its;
int ret;
/* Create a timer */
sev.sigev_notify = SIGEV_SIGNAL;
sev.sigev_signo = sigNo;
sev.sigev_value.sival_ptr = &timerId;
ret = timer_create(CLOCK_REALTIME, &sev, &timerId);
CHECK_STATUS(ret, "timer_create");
/* Arm real-time scheduling timer */
its.it_value.tv_sec = (time_t)periodInSeconds;
its.it_value.tv_nsec = (periodInSeconds - (time_t)periodInSeconds) *
1000000000;
its.it_interval.tv_sec = its.it_value.tv_sec;
its.it_interval.tv_nsec = its.it_value.tv_nsec;
ret = timer_settime(timerId, 0, &its, NULL);
CHECK_STATUS(ret, "timer_settime");
}
JL_DLLEXPORT int jl_profile_start_timer(void)
{
struct sigevent sigprof;
// Establish the signal event
memset(&sigprof, 0, sizeof(struct sigevent));
sigprof.sigev_notify = SIGEV_SIGNAL;
sigprof.sigev_signo = SIGUSR1;
sigprof.sigev_value.sival_ptr = &timerprof;
if (timer_create(CLOCK_REALTIME, &sigprof, &timerprof) == -1)
return -2;
// Start the timer
itsprof.it_interval.tv_sec = nsecprof/GIGA;
itsprof.it_interval.tv_nsec = nsecprof%GIGA;
itsprof.it_value.tv_sec = nsecprof/GIGA;
itsprof.it_value.tv_nsec = nsecprof%GIGA;
if (timer_settime(timerprof, 0, &itsprof, NULL) == -1)
return -3;
running = 1;
return 0;
}
TEST(time, timer_create_SIGEV_SIGNAL) {
sigevent_t se;
memset(&se, 0, sizeof(se));
se.sigev_notify = SIGEV_SIGNAL;
se.sigev_signo = SIGUSR1;
timer_t timer_id;
ASSERT_EQ(0, timer_create(CLOCK_MONOTONIC, &se, &timer_id));
ScopedSignalHandler ssh(SIGUSR1, timer_create_SIGEV_SIGNAL_signal_handler);
ASSERT_EQ(0, timer_create_SIGEV_SIGNAL_signal_handler_invocation_count);
itimerspec ts;
ts.it_value.tv_sec = 0;
ts.it_value.tv_nsec = 1;
ts.it_interval.tv_sec = 0;
ts.it_interval.tv_nsec = 0;
ASSERT_EQ(0, timer_settime(timer_id, TIMER_ABSTIME, &ts, NULL));
usleep(500000);
ASSERT_EQ(1, timer_create_SIGEV_SIGNAL_signal_handler_invocation_count);
}
/*
int timer_helper::m_settimer(int timerID,callback_func func,int expireMS, int intervalMS)
{
int res = -1;
timer_t *t_timerid = new timer_t;
struct sigevent evp;
struct itimerspec its;
struct sigaction sa;
struct arg_callback *uc=new arg_callback;
uc->timerid=timerID;
uc->timerID=t_timerid;
uc->mclass=this;
sa.sa_flags = SA_SIGINFO;
sa.sa_sigaction = timer_helper::timer_callback;
sigemptyset(&sa.sa_mask);
sigaction(SIGUSR1, &sa, NULL);
evp.sigev_value.sival_ptr = uc;
evp.sigev_notify = SIGEV_SIGNAL;
evp.sigev_signo = SIGUSR1;
res = timer_create(CLOCK_REALTIME, &evp, t_timerid);
this->tt.insert(std::pair<int,timer_t *>(timerID,t_timerid));
its.it_interval.tv_sec = 0;
its.it_interval.tv_nsec = intervalMS * 1000000;
its.it_value.tv_sec = 0;
its.it_value.tv_nsec = expireMS * 1000000;
timer_settime(*t_timerid, 0, &its, NULL);
return res;
}
*/
void timer_helper::m_initTimer(timer_t *timerId, callback_func function)
{
struct sigevent sev;
struct sigaction sa;
struct arg_callback *uc=new arg_callback;
uc->timerID = timerId;
uc->func = function;
uc->mclass = this;
// sev.sigev_notify = SIGEV_THREAD;
sa.sa_flags = SA_SIGINFO;
sa.sa_sigaction = timer_helper::timer_callback;
sigemptyset(&sa.sa_mask);
sigaction(SIGUSR1, &sa, NULL);
sev.sigev_notify = SIGEV_SIGNAL;
sev.sigev_signo = SIGUSR1;
sev.sigev_value.sival_ptr = uc;
// sev.sigev_notify_function = function;
sev.sigev_notify_attributes = NULL;
if (timer_create(CLOCK_REALTIME, &sev, timerId) == -1){
throw std::runtime_error(std::string("ERROR:timer_create@timer_helper::m_initTimer!\n"));
}
this->ft.insert(std::pair<timer_t *,arg_callback *>(timerId,uc));
}
static bool lazy_initialize(void) {
assert(alarms == NULL);
pthread_mutex_init(&monitor, NULL);
alarms = list_new(NULL);
if (!alarms) {
LOG_ERROR("%s unable to allocate alarm list.", __func__);
return false;
}
struct sigevent sigevent;
memset(&sigevent, 0, sizeof(sigevent));
sigevent.sigev_notify = SIGEV_THREAD;
sigevent.sigev_notify_function = (void (*)(union sigval))timer_callback;
if (timer_create(CLOCK_ID, &sigevent, &timer) == -1) {
LOG_ERROR("%s unable to create timer: %s", __func__, strerror(errno));
return false;
}
alarm_expired = semaphore_new(0);
if (!alarm_expired) {
LOG_ERROR("%s unable to create alarm expired semaphore", __func__);
return false;
}
callback_thread_active = true;
callback_thread = thread_new("alarm_callbacks");
if (!callback_thread) {
LOG_ERROR("%s unable to create alarm callback thread.", __func__);
return false;
}
thread_set_priority(callback_thread, CALLBACK_THREAD_PRIORITY_HIGH);
thread_post(callback_thread, callback_dispatch, NULL);
return true;
}
// XenonForceAlwaysOn is active - it doesn't need a timer, it is always on.
// Xenon needs to be started once per process.
// The number of milliseconds has to be greater than zero.
// We need to create a semaphore and a thread.
// If all of those happen, then we need a timer attached to a signal handler.
void Xenon::start(uint64_t msec) {
#ifndef __APPLE__
TRACE(1, "XenonForceAlwaysOn %d\n", RuntimeOption::XenonForceAlwaysOn);
if (!RuntimeOption::XenonForceAlwaysOn
&& m_timerid == 0
&& msec > 0
&& sem_init(&m_timerTriggered, 0, 0) == 0
&& pthread_create(&m_triggerThread, nullptr, s_waitThread,
static_cast<void*>(&m_timerTriggered)) == 0) {
time_t sec = msec / 1000;
long nsec = (msec % 1000) * 1000000;
TRACE(1, "Xenon::start periodic %ld seconds, %ld nanoseconds\n", sec, nsec);
// for the initial timer, we want to stagger time for large installations
unsigned int seed = time(nullptr);
uint64_t msecInit = msec * (1.0 + rand_r(&seed) / (double)RAND_MAX);
time_t fSec = msecInit / 1000;
long fNsec = (msecInit % 1000) * 1000000;
TRACE(1, "Xenon::start initial %ld seconds, %ld nanoseconds\n",
fSec, fNsec);
sigevent sev={};
sev.sigev_notify = SIGEV_SIGNAL;
sev.sigev_signo = SIGVTALRM;
sev.sigev_value.sival_ptr = nullptr; // null for Xenon signals
timer_create(CLOCK_REALTIME, &sev, &m_timerid);
itimerspec ts={};
ts.it_value.tv_sec = fSec;
ts.it_value.tv_nsec = fNsec;
ts.it_interval.tv_sec = sec;
ts.it_interval.tv_nsec = nsec;
timer_settime(m_timerid, 0, &ts, nullptr);
}
#endif
}
int CTimer::InitSignalTimer(TimerProc proc, void* proc_arg){
if(m_timer != 0){
NLOG_ERROR("Timer Inited ! m_timer(=%ld) != 0", (long)m_timer);
return -1;
}
m_timerArg.proc = proc;
m_timerArg.args = proc_arg;
#if 0
sigset_t sigset;
sigfillset (&sigset);
sigdelset (&sigset, SIGUSR2);
sigprocmask (SIG_SETMASK, &sigset, NULL);
#endif
struct sigaction action;
memset(&action, 0, sizeof(action));
sigemptyset(&action.sa_mask);
action.sa_flags = SA_SIGINFO|SA_RESTART;
action.sa_sigaction = &s_sigaction;
if(sigaction(SIGUSR2, &action, NULL) <0){
NLOG_ERROR("sigactin failed! err:%s", strerror(errno));
return -1;
}
struct sigevent evt;
memset(&evt, 0, sizeof(evt));
evt.sigev_notify = SIGEV_SIGNAL;
evt.sigev_signo = SIGUSR2;
evt.sigev_value.sival_ptr = (void*)&m_timerArg;
int ret = timer_create(CLOCK_REALTIME, &evt, &m_timer);
if(m_name[0] == 0){//Name is NULL
sprintf(m_name, "SignalTimer-%ld", (long)m_timer);
}
return ret;
}
void storage_load(){
APP_LOG(APP_LOG_LEVEL_INFO,"storage_load()");
if(!persist_exists(STORAGE_KEY_VERSION)){
APP_LOG(APP_LOG_LEVEL_WARNING,"no version");
return;
}
if(persist_read_int(STORAGE_KEY_VERSION)!=STORAGE_VERSION){
APP_LOG(APP_LOG_LEVEL_WARNING,"wrong version");
return;
}
if(!persist_exists(STORAGE_KEY_COUNT)){
APP_LOG(APP_LOG_LEVEL_ERROR,"no count");
return;
}
uint8_t storage_count=(uint8_t)persist_read_int(STORAGE_KEY_COUNT);
APP_LOG(APP_LOG_LEVEL_INFO,"storage count: %d",storage_count);
Timer* timer;
int result;
for(uint8_t i=0;i<storage_count;i++){
if(!persist_exists(STORAGE_KEY_DATA+i)){
APP_LOG(APP_LOG_LEVEL_ERROR,"missing timer %d in storage %d",i,STORAGE_KEY_DATA+i);
continue;
}
timer=timer_create();
result=persist_read_data(STORAGE_KEY_DATA+i,timer,sizeof(Timer));
if(result<0){
APP_LOG(APP_LOG_LEVEL_ERROR,"read error timer %d in storage %d",i,STORAGE_KEY_DATA+i);
timer_destroy(timer);
continue;
}
timers_add(timer);
APP_LOG(APP_LOG_LEVEL_INFO,"loaded timer %d",i);
}
APP_LOG(APP_LOG_LEVEL_INFO,"loaded");
}
/**
* @fn :tc_timer_timer_set_get_time
* @brief :arm/disarm and fetch state of POSIX per-process timer
* @scenario :arm/disarm and fetch state of POSIX per-process timer
* API's covered :timer_create, timer_settime, timer_gettime
* Preconditions :Creation of timer_id(timer_create)
* Postconditions :none
* @return :void
*/
static void tc_timer_timer_set_get_time(void)
{
int ret_chk = ERROR;
clockid_t clockid = CLOCK_REALTIME;
struct sigevent st_sigevent;
struct itimerspec st_timer_spec_set;
struct itimerspec st_timer_spec_get;
timer_t timer_id;
/* Set and enable alarm */
st_sigevent.sigev_notify = SIGEV_SIGNAL;
st_sigevent.sigev_signo = sig_no;
st_sigevent.sigev_value.sival_ptr = &timer_id;
ret_chk = timer_create(clockid, &st_sigevent, &timer_id);
TC_ASSERT_NEQ("timer_create", ret_chk, ERROR);
TC_ASSERT_NOT_NULL("timer_create", timer_id);
st_timer_spec_set.it_interval.tv_sec = 1;
st_timer_spec_set.it_interval.tv_nsec = 0; /* interval; */
st_timer_spec_set.it_value.tv_sec = 1;
st_timer_spec_set.it_value.tv_nsec = 0; /* expire; */
ret_chk = timer_settime(timer_id, 0, &st_timer_spec_set, NULL); /* Flag =1 :TIMER_ABSTIME */
TC_ASSERT_EQ_ERROR_CLEANUP("timer_settime", ret_chk, OK, errno, timer_delete(timer_id));
usleep(USECINT);
ret_chk = timer_gettime(timer_id, &st_timer_spec_get);
TC_ASSERT_EQ_ERROR_CLEANUP("timer_gettime", ret_chk, OK, errno, timer_delete(timer_id));
TC_ASSERT_GEQ_CLEANUP("timer_gettime", st_timer_spec_get.it_interval.tv_nsec, st_timer_spec_set.it_interval.tv_nsec, timer_delete(timer_id));
TC_ASSERT_GEQ_CLEANUP("timer_gettime", st_timer_spec_get.it_interval.tv_sec, st_timer_spec_set.it_interval.tv_sec, timer_delete(timer_id));
TC_ASSERT_GEQ_CLEANUP("timer_gettime", st_timer_spec_get.it_value.tv_sec, st_timer_spec_set.it_value.tv_sec, timer_delete(timer_id));
TC_ASSERT_GEQ_CLEANUP("timer_gettime", st_timer_spec_get.it_value.tv_nsec, st_timer_spec_set.it_value.tv_nsec, timer_delete(timer_id));
timer_delete(timer_id);
TC_SUCCESS_RESULT();
}
/* Start the timeout after which we'll receive a SIGALRM.
Round DURATION up to the next representable value.
Treat out-of-range values as if they were maximal,
as that's more useful in practice than reporting an error.
'0' means don't timeout. */
static void
settimeout (double duration, bool warn)
{
/* timer_settime() provides potentially nanosecond resolution.
setitimer() is more portable (to Darwin for example),
but only provides microsecond resolution and thus is
a little more awkward to use with timespecs, as well as being
deprecated by POSIX. Instead we fallback to single second
resolution provided by alarm(). */
#if HAVE_TIMER_SETTIME
struct timespec ts = dtotimespec (duration);
struct itimerspec its = { {0, 0}, ts };
timer_t timerid;
if (timer_create (CLOCK_REALTIME, NULL, &timerid) == 0)
{
if (timer_settime (timerid, 0, &its, NULL) == 0)
return;
else
{
if (warn)
error (0, errno, _("warning: timer_settime"));
timer_delete (timerid);
}
}
else if (warn && errno != ENOSYS)
error (0, errno, _("warning: timer_create"));
#endif
unsigned int timeint;
if (UINT_MAX <= duration)
timeint = UINT_MAX;
else
{
unsigned int duration_floor = duration;
timeint = duration_floor + (duration_floor < duration);
}
alarm (timeint);
}
