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if (!bslmt::ThreadUtil::isEqual(d_handles[i],
bslmt::ThreadUtil::invalidHandle())) {
int rc = bslmt::ThreadUtil::join (d_handles[i], 0);
ASSERT(rc == 0);
d_handles[i] = bslmt::ThreadUtil::invalidHandle();
}
}
ASSERT (d_numThreadsStarted == d_numThreadsFinished);
delete d_barrier;
d_barrier = 0;
return 0;
}
void *MyTask::run()
{
void *ret = 0;
int threadNum = ++d_numThreadsStarted;
++d_totalThreadsStarted;
if (veryVerbose) {
bslmt::LockGuard<bslmt::Mutex> lg(&d_logMutex);
bsl::cout << "***Enter Thread: Id="
<< bslmt::ThreadUtil::selfId()
<< " Num="
<< threadNum
<< bsl::endl;
}
// This will increase the contention
barrier()->wait();
if (d_f) {
ret = d_f(threadNum, *this);
}
++d_numThreadsFinished;
++d_totalThreadsFinished;
if (veryVerbose) {
bslmt::LockGuard<bslmt::Mutex> lg(&d_logMutex);
bsl::cout << "***Leave Thread: Id="
<< bslmt::ThreadUtil::selfId()
<< " Num="
<< threadNum
<< bsl::endl;
}
return ret;
}
// ----------------------------------------------------------------------------
// Class generating random numbers
// ----------------------------------------------------------------------------
class Rand {
// DATA
unsigned int d_seed;
public:
// CREATORS
Rand(int seedParameter) : d_seed(seedParameter)
{
d_seed ^= (int)(bsl::size_t) this;
if (veryVerbose) {
bsl::cout << "Rand seed=" << d_seed << bsl::endl;
}
srand(d_seed);
}
int get()
{
int next;
#if defined BSLS_PLATFORM_OS_WINDOWS
next = rand();
#else
next = rand_r(&d_seed);
#endif
return next;
}
};
void printMetrics(bsl::ostream& out,
const char *name,
bsl::size_t numTotal,
bsls::Stopwatch& sw)
{
out << name
<< " NumIter=" << numTotal
<< " Time=" << sw.elapsedTime()
<< bsl::endl;
}
typedef bslmt::Semaphore Semaphore;