int dds_cond_broadcast (cond_t *cv)
{
int have_waiters, res;
/* Ensure that waiters and was_broadcast are consistent. */
lock_take (cv->waiters_lock);
have_waiters = 0;
if (cv->waiters > 0) {
cv->was_broadcast = 1;
have_waiters = 1;
}
lock_release (cv->waiters_lock);
res = DDS_RETCODE_OK;
if (have_waiters) {
/* Wake up all the waiters. */
if (!sema_release (cv->sema))
res = DDS_RETCODE_ERROR;
/* Wait for all the awakened threads to acquire their part of
the counting semaphore. */
else if (!ev_wait (cv->waiters_done))
res = DDS_RETCODE_ERROR;
cv->was_broadcast = 0;
}
return (res);
}
// Reads input events, handles special hot keys, and adds to the key queue.
static void *input_thread(void *cookie) {
for (;;) {
if (!ev_wait(-1))
ev_dispatch();
}
return NULL;
}
// Reads input events, handles special hot keys, and adds to the key queue.
void* RecoveryUI::input_thread(void *cookie)
{
for (;;) {
if (!ev_wait(-1))
ev_dispatch();
}
return NULL;
}
static int
ev_wait1(struct k9_ev *ev, unsigned tmout)
{
struct k9_ev_wait_desc wait[1];
wait->ev = ev;
return (ev_wait(1, wait, tmout));
}
void* input_thread(void *cookie)
{
for(;;)
{
if(!ev_wait(-1)) //查看是否有输入事件
ev_dispatch();//有输入事件，那么将派发输入事件
}
return NULL;
}
static void *run_test(void *mod) {
signal(SIGUSR1, signal_handler);
if(mod == NULL)
return NULL;
while(!pcba_success) {
if(!ev_wait(-1))
ev_dispatch();
}
return NULL;
}
static void *input_listener_thread(void *arg)
{
pr_verbose("begin input listener thread\n");
while (1) {
if (!ev_wait(-1))
ev_dispatch();
}
pr_verbose("exit input listener thread\n");
return NULL;
}
int
k9_ev_wait(unsigned nwait, struct k9_ev_wait_desc *wait, unsigned tmout)
{
int result;
uint32 old;
old = k9_cpu_intr_dis();
result = ev_wait(nwait, wait, tmout);
k9_cpu_intr_restore(old);
return (result);
}
int main(int argc, char *argv[]){
int sfd;
sfd = tcpsock_create();
sock_setopt(sfd);
sock_listen(sfd, SERVER_PORT, BACKLOG);
fd_setnb(sfd);
int evfd;
evfd = ev_create();
ev_add(evfd, sfd, EV_IN);
struct ev_event events[MAX_EVENT];
int n;
int i;
int cfd;
unsigned char buf[BUF_SIZE];
ssize_t rbytes;
while(1) {
n = ev_wait(evfd, events, MAX_EVENT, -1);
printf("%d\n", n);
for(i=0; i < n; i++){
printf("%d, %d, %d, %d, %d\n", events[i].events, events[i].fd, events[i].readable, events[i].writable, events[i].closable);
if (events[i].fd == sfd) {
while(1) {
cfd = sock_accept(sfd);
if (cfd == -1) {
break;
}
fd_setnb(cfd);
ev_add(evfd, cfd, EV_IN);
}
} else if (events[i].closable == true) {
close(events[i].fd);
} else if (events[i].readable == true) {
while(1) {
rbytes = sock_recv(events[i].fd, buf, BUF_SIZE);
if (rbytes == -1) {
break;
}
buf[rbytes] = '\0';
printf("%s", buf);
}
}
}
}
}
int main(int argc, char **argv)
{
int key_code = -1;
int input = false;
int opt;
long int timeout = NEXT_TIMEOUT_MS;
int64_t start;
while ((opt = getopt(argc, argv, "t:")) != -1) {
switch (opt) {
case 't':
timeout = strtol(optarg, NULL, 0);
if (timeout < 0 || timeout >= LONG_MAX) {
timeout = NEXT_TIMEOUT_MS;
LOGE("invalid timeout %s, defaulting to %ld\n", optarg,
timeout);
}
break;
default:
return usage();
}
}
if (optind >= argc) {
return usage();
}
if (gr_init() == -1 || ev_init(input_cb, &key_code) == -1) {
LOGE("failed to initialize minui\n");
return EXIT_FAILURE;
}
/* display all images except the last one, switch to next image after
* timeout or user input */
while (optind < argc - 1) {
draw(argv[optind++]);
start = android::uptimeMillis();
long int timeout_remaining = timeout;
do {
if (ev_wait(timeout_remaining) == 0) {
ev_dispatch();
if (key_code != -1) {
input = true;
break;
}
}
timeout_remaining -= android::uptimeMillis() - start;
} while (timeout_remaining > 0);
};
/* if there was user input while showing the images, display the last
* image and wait until the power button is pressed or LAST_TIMEOUT_MS
* has elapsed */
if (input) {
start = android::uptimeMillis();
draw(argv[optind]);
do {
if (ev_wait(timeout) == 0) {
ev_dispatch();
}
if (android::uptimeMillis() - start >= LAST_TIMEOUT_MS) {
break;
}
} while (key_code != KEY_POWER);
}
clear();
gr_exit();
ev_exit();
return EXIT_SUCCESS;
}