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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.
*/
/*
* This application tests Pin's graceful termination when an external signal terminates the application. We expect
* to receive the threadFini callbacks on both threads.
*
* This is a Linux specific test.
*
*/
#include <sys/types.h>
#include <unistd.h>
#include <sstream>
#include "threadUtils.h"
using std::stringstream;
/**************************************************
* Global variables *
**************************************************/
const int numOfSecondaryThreads = 1;
TidType threads[numOfSecondaryThreads];
/**************************************************
* Secondary thread's main functions *
**************************************************/
// The secondary thread spins in a busy wait.
extern "C" EXPORT_SYM void* DoNewThread(void* dummy) {
IncThreads();
while(true);
// This can't be reached, simply for successful compilation.
return NULL;
}
/**************************************************
* Utility functions *
**************************************************/
extern "C" void doExit() {} // the tool expects to find this function, otherwise the test will fail.
static bool createThreads() {
for (int i = 0; i < numOfSecondaryThreads; ++i) {
threads[i] = 0;
if (!CreateNewThread(&threads[i], (void*)DoNewThread, NULL)) {
return false;
}
}
return true;
}
static void waitForThreads() {
// Wait for all threads to be created.
while (NumOfThreads() != numOfSecondaryThreads) {
DoYield();
}
}
static void createChild(char* sigapp) {
stringstream strm;
strm << getpid();
pid_t childPid = fork();
if (childPid < 0) {
ErrorExit(RES_FORK_FAILED);
}
if (childPid == 0) {
// Child's code
execl(sigapp, sigapp, strm.str().c_str(), (char*)NULL);
ErrorExit(RES_EXECV_FAILED);
}
}
int main(int argc, char* argv[]) {
if (argc != 2) {
ErrorExit(RES_INVALID_ARGS);
}
InitLocks();
if (!createThreads()) { // returns true if all threads were created successfully
ErrorExit(RES_CREATE_FAILED);
}
waitForThreads(); // wait for the secondary thread(s) to be created
createChild(argv[1]); // create the child that will send the SIGTERM signal
DoSleep(1000); // wait here to be terminated
// Failsafe - this should not be reached but we want to avoid a hung test.
ErrorExit(RES_EXIT_TIMEOUT); // never returns
// This can't be reached, simply for successful compilation.
return 0;
}