int main()
{
lock = CreateLock("lock");
cv2 = CreateCV("cv2");
AcquireLock("lock");
SignalCV("lock","cv2");
Print("Client 3 will now destroy CV...",-1,-1,-1);
DestroyCV("cv2");
for (i=0; i<9; i++)
Print("\n",-1,-1,-1);
ReleaseLock("lock");
AcquireLock("lock");
WaitCV("lock","cv2");
Print("Client 3: This prints as CV has been destroyed...",-1,-1,-1);
ReleaseLock("lock");
Exit(0);
}
void otudp_output(OTUDP *x) {
// This is called by the Max clock. It's guaranteed not to be called
// at notifier level, although if we're in Overdrive this will be called
// at interrupt level.
Atom arguments[2];
PacketBuffer b;
short oldLockout;
// BufferSanityCheck(x, 0, 0, 0);
while (1) {
oldLockout = AcquireLock(x);
b = PBFIFODequeue(&(x->pendingBuffers));
ReleaseLock(x,oldLockout);
if (b == 0) break;
SETLONG(&arguments[0], b->n);
SETLONG(&arguments[1], (long) b->buf);
outlet_anything(x->o_outlet, ps_FullPacket, 2, arguments);
oldLockout = AcquireLock(x);
PacketBufferListPush(b, &(x->freeBuffers));
ReleaseLock(x,oldLockout);
}
// BufferSanityCheck(x, 0, 0, 0);
}
void ReleaseProcessMemory(HANDLE hProc)
{
DWORD pid,addr,len;
AcquireLock();
if (hProc==NtCurrentProcess()) pid=current_process_id;
else
{
PROCESS_BASIC_INFORMATION info;
NtQueryInformationProcess(hProc,ProcessBasicInformation,&info,sizeof(info),&len);
pid=info.uUniqueProcessId;
}
pid>>=2;
//NtWaitForSingleObject(thread_man_mutex,0,0);
for (UINT_PTR i=0;i<count;i++)
{
if ((proc_record[i]&0xFFF)==pid)
{
addr=proc_record[i]&~0xFFF;
DWORD size=0x1000;
NtFreeVirtualMemory(hProc,(PVOID*)&addr,&size,MEM_RELEASE);
count--;
for (UINT_PTR j=i;j<count;j++)
{
proc_record[j]=proc_record[j+1];
}
proc_record[count]=0;
ReleaseLock();
//NtReleaseMutant(thread_man_mutex,0);
return;
}
}
ReleaseLock();
//NtReleaseMutant(thread_man_mutex,0);
}
VOID Image(IMG img, VOID *v){
char szFilePath[260];
unsigned long index;
GetLock(&lock, 1);
if (process_start != 0){
ReleaseLock(&lock);
return;
}
if (IMG_Valid(img)){
memset(szFilePath, 0, sizeof(szFilePath));
strncpy(szFilePath, IMG_Name(img).c_str(), sizeof(szFilePath)-1);
index = 0;
while (szFilePath[index] != 0){
szFilePath[index] = tolower(szFilePath[index]);
index++;
}
if (strstr(szFilePath, KnobProcessToTrace.Value().c_str())){
process_start = IMG_LowAddress(img);
process_end = IMG_HighAddress(img);
}
}
ReleaseLock(&lock);
}
void main()
{
lck = CreateLock("lock1");
cv = CreateCV("cv1");
Print("\nDistCVTest1_1: Created Lock is %d and CV is %d\n", lck, cv, -1);
AcquireLock("lock1");
Print("Client 1: About to go on wait...\n", -1, -1, -1);
WaitCV("lock1","cv1");
Print("Client 1: Now out of wait...\n", -1, -1, -1);
for (num=0; num<10; num++)
Print("\n",-1,-1,-1);
Print("Client 1: About to signal Client 2\n", -1, -1, -1);
SignalCV("lock1","cv1");
ReleaseLock("lock1");
AcquireLock("lock1");
ReleaseLock("lock1");
Exit(0);
}
int monte_carlo_pi(unsigned int n, int procNumber) {
AcquireLock();
printf("CORE %d\n", procNumber);
ReleaseLock();
int in = 0, i;
int x, y, d;
int limit;
limit = n*(procNumber + 1)/CORES;
if (procNumber == CORES - 1) {
//ultimo core, faz o resto
limit = n;
}
for (i = n*procNumber/CORES; i < limit; i++) {
//x = ((*randNum % 1000000)/500000.0)-1;
x = (((getRandomNumber() % 1000000)/500000)-1)*10;
y = (((getRandomNumber() % 1000000)/500000)-1)*10;
//y = ((*randNum % 1000000)/500000.0)-1;
//x = 1;
//y = 2;
d = ((x*x) + (y*y));
//AcquireLock();
if (d <= 10) {
in+=1;
}
//ReleaseLock();
}
AcquireLock();
printf("IN: %d\n", in);
ReleaseLock();
return in;
}
/*
*----------------------------------------------------------------------
*
* OS_Accept --
*
* Accepts a new FastCGI connection. This routine knows whether
* we're dealing with TCP based sockets or NT Named Pipes for IPC.
*
* Results:
* -1 if the operation fails, otherwise this is a valid IPC fd.
*
* Side effects:
* New IPC connection is accepted.
*
*----------------------------------------------------------------------
*/
int OS_Accept(int listen_sock, int fail_on_intr, const char *webServerAddrs)
{
int socket;
union {
struct sockaddr_un un;
struct sockaddr_in in;
} sa;
for (;;) {
if (AcquireLock(listen_sock, fail_on_intr))
return -1;
for (;;) {
do {
int len = sizeof(sa);
socket = accept(listen_sock, (struct sockaddr *)&sa, &len);
} while (socket < 0 && errno == EINTR && !fail_on_intr);
if (socket < 0) {
if (!is_reasonable_accept_errno(errno)) {
int errnoSave = errno;
ReleaseLock(listen_sock);
errno = errnoSave;
return (-1);
}
errno = 0;
}
else { /* socket >= 0 */
int set = 1;
if (sa.in.sin_family != AF_INET)
break;
#ifdef TCP_NODELAY
/* No replies to outgoing data, so disable Nagle */
setsockopt(socket, IPPROTO_TCP, TCP_NODELAY, (char *)&set, sizeof(set));
#endif
/* Check that the client IP address is approved */
if (ClientAddrOK(&sa.in, webServerAddrs))
break;
close(socket);
} /* socket >= 0 */
} /* for(;;) */
if (ReleaseLock(listen_sock))
return (-1);
if (sa.in.sin_family != AF_UNIX || is_af_unix_keeper(socket))
break;
close(socket);
} /* while(1) - lock */
return (socket);
}
static BOOL Intercept(THREADID tid, DEBUGGING_EVENT eventType, CONTEXT *ctxt, VOID *)
{
if (eventType == DEBUGGING_EVENT_BREAKPOINT)
{
// When the child thread reaches the breakpoint in Breakpoint(), wait for the main
// thread to reach the One() function. If the main thread is not there yet, squash the
// breakpoint and move the PC back to the start of the Breakpoint() function. This will
// delay a while and then re-trigger the breakpoint.
//
ADDRINT pc = PIN_GetContextReg(ctxt, REG_INST_PTR);
if (pc == BreakpointLocation && !AllowBreakpoint)
{
PIN_SetContextReg(ctxt, REG_INST_PTR, BreakpointFunction);
GetLock(&Lock, 1);
std::cout << "Squashing breakpoint at 0x" << std::hex << pc << " on thread " << std::dec << tid << std::endl;
ReleaseLock(&Lock);
return FALSE;
}
GetLock(&Lock, 1);
std::cout << "Stopping at breakpoint at 0x" << std::hex << pc << " on thread " << std::dec << tid << std::endl;
ReleaseLock(&Lock);
return TRUE;
}
if (eventType == DEBUGGING_EVENT_ASYNC_BREAK)
{
// When the child thread triggers the breakpoint, we should be at the One() function.
// Change the PC to the Two() function, which is the point of this test. We want to
// make sure Pin properly handles the change of PC in this case.
//
ADDRINT pc = PIN_GetContextReg(ctxt, REG_INST_PTR);
if (pc == OneFunction)
{
PIN_SetContextReg(ctxt, REG_INST_PTR, TwoFunction);
GetLock(&Lock, 1);
std::cout << "Changing ASYNC BREAK PC to Two() on thread " << std::dec << tid << std::endl;
ReleaseLock(&Lock);
return TRUE;
}
// If the PC is not at the One() function, the child thread has probably hit some breakpoint
// other than the one at Breakpoint(). (E.g. an internal breakpoint set by GDB.) Don't
// change the PC in such a case.
//
GetLock(&Lock, 1);
std::cout << "ASYNC_BREAK at 0x" << std::hex << pc << " on thread " << std::dec << tid << std::endl;
ReleaseLock(&Lock);
return TRUE;
}
GetLock(&Lock, 1);
std::cout << "FAILURE: Unexpected debugging event type" << std::endl;
ReleaseLock(&Lock);
std::exit(1);
}
LPVOID GetProcAddr(HANDLE hProc)
{
AcquireLock();
DWORD pid,addr,len;
if (hProc==NtCurrentProcess()) pid=current_process_id;
else
{
PROCESS_BASIC_INFORMATION info;
NtQueryInformationProcess(hProc,ProcessBasicInformation,&info,sizeof(info),&len);
pid=info.uUniqueProcessId;
}
pid>>=2;
for (UINT_PTR i=0;i<count;i++)
{
if ((proc_record[i]&0xFFF)==pid)
{
addr=proc_record[i]&~0xFFF;
ReleaseLock();
return (LPVOID)addr;
}
}
len=0x1000;
NtAllocateVirtualMemory(hProc,(PVOID*)(proc_record+count),0,&len,
MEM_COMMIT,PAGE_EXECUTE_READWRITE);
DWORD base = proc_record[count];
proc_record[count] |= pid;
union
{
LPVOID buffer;
DWORD b;
};
b = base;
LPVOID fun_table[3];
*(DWORD*)(normal_routine + ADDR0) += base;
NtWriteVirtualMemory(hProc, buffer, normal_routine, 0x14, 0);
*(DWORD*)(normal_routine + ADDR0) -= base;
b += 0x14;
fun_table[0] = NtTerminateThread;
fun_table[1] = NtQueryVirtualMemory;
fun_table[2] = MessageBoxW;
NtWriteVirtualMemory(hProc, buffer, fun_table, 0xC, 0);
b += 0xC;
*(DWORD*)(except_routine + ADDR1) += base;
*(DWORD*)(except_routine + ADDR2) += base;
*(DWORD*)(except_routine + ADDR3) += base;
NtWriteVirtualMemory(hProc, buffer, except_routine, 0xE0, 0);
*(DWORD*)(except_routine + ADDR1) -= base;
*(DWORD*)(except_routine + ADDR2) -= base;
*(DWORD*)(except_routine + ADDR3) -= base;
count++;
ReleaseLock();
return (LPVOID)base;
}
int main()
{
mv = CreateMV("mv1");
mv2 = CreateMV("mv2");
lck = CreateLock("lock1");
lck2 = CreateLock("lock2");
cv = CreateCV("cv1");
for (loop =0; loop<500; loop++)
{
AcquireLock(lck);
SignalCV(lck,cv);
AcquireLock(lck2);
ret = GetMV(mv2);
ReleaseLock(lck2);
if (ret != 21)/*This will wait only if the other one isnt finished*/
WaitCV(lck,cv);
mvEdit = GetMV(mv);
Print("Client 2: Monitor variable was read to be %d..",mvEdit,-1,-1);
mvEdit+=7;
ret=SetMV(mv,mvEdit);
mvEdit = GetMV(lck);
Print("Client 2: Monitor variable was set to be %d..",mvEdit,-1,-1);
ReleaseLock(lck);
Print("Client 2: %d Iterations done..",loop,-1,-1);
}
AcquireLock(lck2);
ret = SetMV(mv2,21);
/*this monitor variable is set to 21 here to signify
*one of the processes is over and the other will not
*wait for it to signal it
*/
ReleaseLock(lck2);
AcquireLock(lck);
SignalCV(lck,cv);
ReleaseLock(lck);
}
void main()
{
lck = CreateLock("lock1");
cv = CreateCV("cv1");
Print("Client 2: Created Lock is %d and CV is %d\n", lck, cv, -1);
AcquireLock("lock1");
Print("Client 2: About to signal Client 1\n", -1, -1, -1);
SignalCV("lock1","cv1");
Print("Client 2: About to go on wait...\n", -1, -1, -1);
WaitCV("lock1","cv1");
for (i=0; i<10; i++)
Print("\n",-1,-1,-1);
Print("Client 2: Now out of wait...\n", -1, -1, -1);
ReleaseLock("lock1");
Exit(0);
}
// Note that opening a file in a callback is only supported on Linux systems.
// See buffer-win.cpp for how to work around this issue on Windows.
//
// This routine is executed every time a thread is created.
VOID ThreadStart(THREADID threadid, CONTEXT *ctxt, INT32 flags, VOID *v)
{
GetLock(&lock, threadid+1);
fprintf(out, "thread begin %d\n",threadid);
fflush(out);
ReleaseLock(&lock);
}
void t5_t3(){
test=AcquireLock(LockIndex1);
Write("3 acquired\n", sizeof("3 acquired\n"), 1);
test=ReleaseLock(LockIndex1);
Write("3 released\n", sizeof("3 released\n"), 1);
Exit(0);
}
// This routine is executed each time malloc is called.
VOID BeforeMalloc( int size, THREADID threadid )
{
GetLock(&lock, threadid+1);
fprintf(out, "thread %d entered malloc(%d)\n", threadid, size);
fflush(out);
ReleaseLock(&lock);
}
/*!
* Print out analysis results.
* This function is called when the application exits.
* @param[in] code exit code of the application
* @param[in] v value specified by the tool in the
* PIN_AddFiniFunction function call
*/
VOID Fini(INT32 code, VOID *v)
{
GetLock(&fileLock, 1);
fclose(outfile);
printf("outfile closed\n");
ReleaseLock(&fileLock);
}
void CheckProcessMemory()
{
UINT_PTR i,j,flag,addr;
DWORD len;
CLIENT_ID id;
OBJECT_ATTRIBUTES oa={0};
HANDLE hProc;
BYTE buffer[8];
AcquireLock();
id.UniqueThread=0;
oa.uLength=sizeof(oa);
for (i=0;i<count;i++)
{
id.UniqueProcess=(proc_record[i]&0xFFF)<<2;
addr=proc_record[i]&~0xFFF;
flag=0;
if (NT_SUCCESS(NtOpenProcess(&hProc,PROCESS_VM_OPERATION|PROCESS_VM_READ,&oa,&id)))
{
if (NT_SUCCESS(NtReadVirtualMemory(hProc,(PVOID)addr,buffer,8,&len)))
if (memcmp(buffer,normal_routine,4)==0) flag=1;
NtClose(hProc);
}
if (flag==0)
{
for (j=i;j<count;j++) proc_record[j]=proc_record[j+1];
count--; i--;
}
}
ReleaseLock();
}
//Track the first instance of our App.
//return TRUE on success, else FALSE
BOOL CInstanceChecker::TrackFirstInstanceRunning()
{
//If a previous instance is running, just return prematurely
if (PreviousInstanceRunning())
return FALSE;
//If this is the first instance then copy in our info into the shared memory
//First create the MMF
int nMMFSize = sizeof(CWindowInstance);
g_sinstanceData.hInstanceData = CreateFileMapping(INVALID_HANDLE_VALUE, NULL, PAGE_READWRITE, 0, nMMFSize, GetMMFFilename());
if (g_sinstanceData.hInstanceData == NULL)
{
TRACE(_T("Failed to create the MMF even though this is the first instance, you might want to consider overriding GetMMFFilename()\n"));
return FALSE;
}
//Open the MMF
CWindowInstance* pInstanceData = static_cast<CWindowInstance*>(MapViewOfFile(g_sinstanceData.hInstanceData, FILE_MAP_READ | FILE_MAP_WRITE, 0, 0, nMMFSize));
ASSERT(pInstanceData != NULL); //Opening the MMF should work
//Lock the data prior to updating it
CSingleLock dataLock(&m_instanceDataMutex, TRUE);
pInstanceData->hMainWnd = GetWindowToTrack();
UnmapViewOfFile(pInstanceData);
//Since this will be the last function that will be called
//when this is the first instance we can release the lock
ReleaseLock();
return TRUE;
}
static Boolean BufferSanityCheck(OTUDP *x, int *freep, int *pendingp, int *outgoingp) {
short oldLockout;
int free, pending, outgoing, i;
free = 100; // In case we fail to acquire lock
// Mutual exclusion to prevent the lists from changing out from under me
oldLockout = AcquireLock(x);
free = CountPacketList(x->freeBuffers);
pending = CountPacketList(x->pendingBuffers.first);
outgoing = 0;
ReleaseLock(x,oldLockout);
if (freep != 0) *freep = free;
if (pendingp != 0) *pendingp = pending;
if (outgoingp != 0) *outgoingp = outgoing;
if (free+pending+outgoing != x->nbufs) {
error("otudp: BufferSanityCheck failed! %d free + %d pending + %d outgoing = %d",
free, pending, free+pending+outgoing);
return false;
} else {
return true;
}
}
int main()
{
lock = CreateLock("lock");
lock2 = CreateLock("lock2");
cv1 = CreateCV("cv1");
cv2=CreateCV("cv2");
AcquireLock("lock");
SignalCV("lock","cv1");
Print("Client 2 is going to wait...",-1,-1,-1);
WaitCV("lock","cv2");
for (i=0; i<9; i++)
Print("\n",-1,-1,-1);
Print("Client 2 is now out of wait...",-1,-1,-1);
ReleaseLock("lock");
Exit(0);
}
// This routine is executed every time a thread is destroyed.
VOID ThreadFini(THREADID threadid, const CONTEXT *ctxt, INT32 code, VOID *v)
{
GetLock(&lock, threadid+1);
fprintf(out, "thread end %d code %d\n",threadid, code);
fflush(out);
ReleaseLock(&lock);
}
///////////////////////////////////////////////////////////////////////////////
// HandleIoctlPowerSet
// Input: pMemCard - SD memory card structure
// pDevicePowerState - device power state
// Output:
// Return:
// Notes:
///////////////////////////////////////////////////////////////////////////////
VOID HandleIoctlPowerSet(PSD_MEMCARD_INFO pMemCard,
PCEDEVICE_POWER_STATE pDevicePowerState)
{
AcquireLock(pMemCard);
DEBUGMSG(SDMEM_ZONE_POWER, (TEXT("SDMemory: IOCTL_POWER_SET %d \n"),*pDevicePowerState));
if (*pDevicePowerState < pMemCard->PowerStateForIdle) {
// everything above the power state for idle is treated as D0
*pDevicePowerState = D0;
pMemCard->CurrentPowerState = D0;
// disable low power operation
pMemCard->EnableLowPower = FALSE;
} else {
// everything above the IDLE power state is set to IDLE
*pDevicePowerState = pMemCard->PowerStateForIdle;
pMemCard->CurrentPowerState = pMemCard->PowerStateForIdle;
// enable low power operation
pMemCard->EnableLowPower = TRUE;
// wake up the idle thread to go into power idle polling
SetEvent(pMemCard->hWakeUpIdleThread);
}
ReleaseLock(pMemCard);
}
VOID Error(std::string where, THREADID tid, UINT32 r, ADDRINT expect, ADDRINT val)
{
GetLock(&Lock, 1);
Out << "Mismatch " << where << ": tid=" << std::dec << tid << " (G" << r << ")" <<
", Expect " << std::hex << expect << ", Got " << std::hex << val << std::endl;
ReleaseLock(&Lock);
}
// -----------------------------------------------------------------------------
// CPosLmLocalReadPartialLmOp::HandleError
//
// (other items were commented in a header).
// -----------------------------------------------------------------------------
//
void CPosLmLocalReadPartialLmOp::HandleError(
TInt& aError)
{
iStatusFlag = aError;
ReleaseLock();
}
CHAR16 *
SEnvIGetStr (
IN CHAR16 *Name,
IN EFI_LIST_ENTRY *Head
)
/*++
Routine Description:
Arguments:
Name - The variable name
Head - The variable list
Returns:
--*/
{
VARIABLE_ID *Var;
CHAR16 *Value;
AcquireLock (&SEnvLock);
//
// Walk through linked list to find corresponding Var
//
Value = NULL;
Var = SEnvFindVar (Head, Name);
if (Var != NULL) {
Value = Var->u.Str;
}
ReleaseLock (&SEnvLock);
return Value;
}
bool ConnectionNoMoreUsed (Connection* connection, ConnectionOwner owner) {
bool result = true;
int i = 0;
TakeLock(connection->closedByLock);
connection->closedBy[owner] = true;
Log(AIO4C_LOG_LEVEL_DEBUG, "connection %s closed by: [reader:%u,worker:%u,writer:%u,acceptor:%u,client:%u]", connection->string,
connection->closedBy[AIO4C_CONNECTION_OWNER_READER], connection->closedBy[AIO4C_CONNECTION_OWNER_WORKER],
connection->closedBy[AIO4C_CONNECTION_OWNER_WRITER], connection->closedBy[AIO4C_CONNECTION_OWNER_ACCEPTOR],
connection->closedBy[AIO4C_CONNECTION_OWNER_CLIENT]);
for (i = 0; i < AIO4C_CONNECTION_OWNER_MAX && result; i++) {
result = (result && connection->closedBy[i]);
}
if (result) {
memset(connection->closedBy, 0, AIO4C_CONNECTION_OWNER_MAX * sizeof(bool));
}
ReleaseLock(connection->closedByLock);
return result;
}
void t2_t1()
{
/* checks acquire and release invalid input is handled properly.*/
indexcheck1 = AcquireLock(5000);
indexcheck2 = ReleaseLock(5000);
indexcheck3 = AcquireLock(-1);
indexcheck4= ReleaseLock(-1);
/*this function is called the last among the functions that are used for the same test. print out the result and FORK next text function*/
if(indexcheck1 == - 1 && indexcheck2 == -1 && indexcheck3 == -1 && indexcheck4 == -1) {
Write("passed: acquire/releaselock validates input\n", sizeof("passed: acquire/releaselock validates input\n"), 1);
}else{
Write("failed: acquire/releaselock validates input\n", sizeof("failed: acquire/releaselock validates input\n"), 1);
}
Exit(0);
}
VOID ThreadStart(THREADID threadid, CONTEXT *ctxt, INT32 flags, VOID *v)
{
GetLock(&lock, threadid+1);
numThreads++;
ReleaseLock(&lock);
ASSERT(numThreads <= MaxNumThreads, "Maximum number of threads exceeded\n");
}
/*
* finding total number of customer in particular queue
* */
int getTotalCustCount(int debugId, mtQueue *queue)
{
int count;
AcquireLock(queueLock[queue->queueType][queue->queueId]);
count=getMv(&queue->numCust);
ReleaseLock(queueLock[queue->queueType][queue->queueId]);
return count ;
}
/*
* obtain current state of customer -
* We acquire a lock before seeing it
* and release lock once we are done
* */
int getCustState(int debugId, int custId, int grpId)
{
int state;
AcquireLock(custLock[grpId][custId]);
state = getMv(&mtCb.custGrp[grpId].cust[custId].state);
ReleaseLock(custLock[grpId][custId]);
return state;
}
VOID ThreadBegin(UINT32 threadid, VOID * sp, int flags, VOID *v)
{
GetLock(&lock, threadid+1);
numThreads++;
ReleaseLock(&lock);
ASSERT(numThreads <= MaxNumThreads, "Maximum number of threads exceeded\n");
}