void testlockpoolstress()
{
std::list<std::future<void> > futures;
typedef LIBCXX_NAMESPACE::sharedpool<> pool_t;
pool_t pool=pool_t::create();
for (size_t i=0; i<2; i++)
{
futures.push_back
(std::async
(std::launch::async, [i, &pool]
{
for (size_t j=0; j<50; ++j)
{
auto w=pool->addLockSet(pool_t::base::uniquelock,
LIBCXX_NAMESPACE::eventfd::create());
while (!w->locked())
w->getNotifyEvent()->event();
}
}));
}
for (size_t i=0; i<10; i++)
{
futures.push_back
(std::async
(std::launch::async, [i, &pool]
{
for (size_t j=0; j<50; ++j)
{
auto w=pool->addLockSet(pool_t::base::sharedlock,
LIBCXX_NAMESPACE::eventfd::create());
while (!w->locked())
w->getNotifyEvent()->event();
}
}));
}
while (!futures.empty())
{
futures.front().get();
futures.pop_front();
}
}
void doIt ()
{
int rc;
// puts("Initializing inotify ...");
// puts("Waiting for events ...");
// Call to inotify_init
// puts("Getting inotify fd (via inotify_init) ...");
int fd;
fd = inotify_init();
if (fd == -1) { perror("inotify_init()"); }
else
{
// Watch a folder
const char* PATH = "/tmp/downloads";
int wd = inotify_add_watch(fd, PATH, IN_ATTRIB | IN_CREATE);
if (wd == -1) { perror("inotify_add_watch()"); }
else
{
printf("Waiting on something to happen ...");
struct inotify_event* ev = getNotifyEvent(fd);
// Print out what happened
printf("%d %d %d %d %s\n", ev->wd, ev->mask, ev->cookie, ev->len, ev->name);
puts("(whoa.)");
free(ev);
// Close up shop
// puts("Closing inotify fd (w close())");
rc = inotify_rm_watch(fd, wd);
if (rc == -1) { perror("inotify_rm_watch()"); }
}
rc = close(fd);
if (rc == -1) { perror("close()"); }
}
// puts("Done.");
}