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/*
* Copyright 2002-2019 Intel Corporation.
*
* This software is provided to you as Sample Source Code as defined in the accompanying
* End User License Agreement for the Intel(R) Software Development Products ("Agreement")
* section 1.L.
*
* This software and the related documents are provided as is, with no express or implied
* warranties, other than those that are expressly stated in the License.
*/
/*! @file
* A tool that creates internal Pin thread
* and verifies that the thread is finished gracefully.
* Probe mode.
*/
#include <cstdlib>
#include <string>
#include <iostream>
#include "pin.H"
using std::cerr;
using std::endl;
using std::string;
PIN_LOCK intThreadCanOpen;
PIN_LOCK mainThreadCanOpen;
const char* MailSlotName = "\\\\.\\mailslot\\sample_mailslot";
// UID of the internal thread. It is created in the application thread by the
// main() tool's procedure.
PIN_THREAD_UID intThreadUid;
/*!
* Print out the error message and exit the process.
*/
static void AbortProcess(const string & msg, unsigned long code)
{
cerr << "Test aborted: " << msg << " with code " << code << endl;
PIN_WriteErrorMessage(msg.c_str(), 1002, PIN_ERR_FATAL, 0);
PIN_ExitProcess(1);
}
VOID IntThread(VOID *arg)
{
NATIVE_FD hWriteSlot;
PIN_GetLock(&intThreadCanOpen, 1);
cerr << "IntThread calling OS_OpenFD" << endl;
OS_OpenFD(MailSlotName, OS_FILE_OPEN_TYPE_WRITE, 0, &hWriteSlot);
cerr << "IntThread returning from OS_OpenFD" << endl;
PIN_ReleaseLock(&mainThreadCanOpen);
PIN_ExitThread(0);
}
/*!
* Process exit callback (unlocked).
*/
VOID PrepareForFini()
{
BOOL waitStatus;
INT32 threadExitCode;
NATIVE_FD hWriteSlot;
PIN_LockClient();
PIN_ReleaseLock(&intThreadCanOpen);
PIN_GetLock(&mainThreadCanOpen, 1);
cerr << "main thread calling OS_OpenFD" << endl;
OS_OpenFD(MailSlotName, OS_FILE_OPEN_TYPE_WRITE, 0, &hWriteSlot);
cerr << "main thread returning from OS_OpenFD" << endl;
PIN_UnlockClient();
// First, wait for termination of the main internal thread. When this thread exits,
// all secondary internal threads are already created and, so <uidSet> can be safely
// accessed without lock.
waitStatus = PIN_WaitForThreadTermination(intThreadUid, 1000, &threadExitCode);
if (!waitStatus)
{
AbortProcess("PIN_WaitForThreadTermination(intThreadUid) failed", 0);
}
if (0 != threadExitCode)
{
AbortProcess("Tool's thread 1 exited abnormally", 0);
}
cerr << "Tool's thread finished successfully." << endl;
}
typedef void (*FUNCPTR)(int status);
static void (*pf_exit)(int status);
VOID MyExit(int arg)
{
PrepareForFini();
(pf_exit)(arg);
}
VOID ImageLoad(IMG img, VOID *v)
{
RTN rtn = RTN_FindByName(img, "exit");
if ( RTN_Valid(rtn))
{
if (RTN_IsSafeForProbedReplacementEx(rtn, PROBE_MODE_ALLOW_RELOCATION))
{
pf_exit = (FUNCPTR)RTN_ReplaceProbedEx( rtn, PROBE_MODE_ALLOW_RELOCATION, AFUNPTR(MyExit));
}
else
{
AbortProcess("ImageLoad: Pin can't replace exit()", 0);
}
}
}
/*!
* The main procedure of the tool.
*/
int main(int argc, char *argv[])
{
PIN_Init(argc, argv);
PIN_InitSymbols();
PIN_InitLock(&intThreadCanOpen);
PIN_InitLock(&mainThreadCanOpen);
PIN_GetLock(&intThreadCanOpen, 1);
PIN_GetLock(&mainThreadCanOpen, 1);
IMG_AddInstrumentFunction(ImageLoad, NULL);
// Spawn the main internal thread. When this thread starts it spawns all other internal threads.
THREADID intThreadId = PIN_SpawnInternalThread(IntThread, NULL, 0, &intThreadUid);
if (INVALID_THREADID == intThreadId)
{
AbortProcess("PIN_SpawnInternalThread(intThread) failed", 0);
}
// Never returns
PIN_StartProgramProbed();
return 1;
}