VOID doPause(VOID * arg)
{
for (int i = 0; i < TIMES; i++)
{
while (stopFlag == false)
{
PIN_Sleep(10);
}
stopFlag = false;
printf("Threads to be stopped by internal thread %u\n", intTid);
fflush(stdout);
if (PIN_StopApplicationThreads(intTid))
{
UINT32 nThreads = PIN_GetStoppedThreadCount();
printf("Threads stopped by internal thread %u : %u\n", intTid, nThreads);
fflush(stdout);
for (UINT32 index = 0; index < nThreads; index++)
{
THREADID tid = PIN_GetStoppedThreadId(index);
const CONTEXT * ctxt = PIN_GetStoppedThreadContext(tid);
printf(" Thread %u, IP = %llx, icount = %llu\n", tid,
(long long unsigned int)PIN_GetContextReg(ctxt, REG_INST_PTR), icounter[tid]);
}
PIN_ResumeApplicationThreads(intTid);
printf("Threads resumed by internal thread %u\n", intTid);
fflush(stdout);
}
}
return;
}
VOID doPause(THREADID threadid)
{
assert(threadid < MAX_NUM_THREADS);
++icount[threadid];
if (icount[threadid] == stopPoint[threadid])
{
printf("Threads to be stopped by application thread %u\n", threadid);
fflush(stdout);
// Pause threads in each LOOPS/2 instructions
if (PIN_StopApplicationThreads(threadid))
{
printf("Threads stopped by application thread %u\n", threadid);
fflush(stdout);
UINT32 nThreads = PIN_GetStoppedThreadCount();
for (UINT32 i = 0; i < nThreads; i++)
{
THREADID tid = PIN_GetStoppedThreadId(i);
const CONTEXT * ctxt = PIN_GetStoppedThreadContext(tid);
printf(" Thread %u, IP = %llx\n", tid,
(long long unsigned int)PIN_GetContextReg(ctxt, REG_INST_PTR));
}
PIN_ResumeApplicationThreads(threadid);
printf("Threads resumed by application thread %u\n", threadid);
fflush(stdout);
// Reset stop point, do not try to stop in this thread any more.
stopPoint[threadid] = 0;
}
else
{
// Probably collision with other thread calling PIN_StopApplicationThreads()
// Update stop point.
stopPoint[threadid] += PAUSE_INTERVAL;
}
}
return;
}
