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107 lines
3.0 KiB
107 lines
3.0 KiB
/*
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* Copyright 2002-2019 Intel Corporation.
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*
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* This software is provided to you as Sample Source Code as defined in the accompanying
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* End User License Agreement for the Intel(R) Software Development Products ("Agreement")
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* section 1.L.
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*
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* This software and the related documents are provided as is, with no express or implied
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* warranties, other than those that are expressly stated in the License.
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*/
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/*
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* This application tests Pin's graceful termination when an external signal terminates the application. We expect
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* to receive the threadFini callbacks on both threads.
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*
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* This is a Linux specific test.
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*
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*/
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#include <sys/types.h>
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#include <unistd.h>
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#include <sstream>
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#include "threadUtils.h"
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using std::stringstream;
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/**************************************************
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* Global variables *
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**************************************************/
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const int numOfSecondaryThreads = 1;
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TidType threads[numOfSecondaryThreads];
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/**************************************************
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* Secondary thread's main functions *
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**************************************************/
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// The secondary thread spins in a busy wait.
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extern "C" EXPORT_SYM void* DoNewThread(void* dummy) {
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IncThreads();
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while(true);
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// This can't be reached, simply for successful compilation.
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return NULL;
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}
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/**************************************************
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* Utility functions *
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**************************************************/
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extern "C" void doExit() {} // the tool expects to find this function, otherwise the test will fail.
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static bool createThreads() {
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for (int i = 0; i < numOfSecondaryThreads; ++i) {
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threads[i] = 0;
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if (!CreateNewThread(&threads[i], (void*)DoNewThread, NULL)) {
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return false;
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}
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}
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return true;
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}
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static void waitForThreads() {
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// Wait for all threads to be created.
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while (NumOfThreads() != numOfSecondaryThreads) {
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DoYield();
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}
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}
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static void createChild(char* sigapp) {
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stringstream strm;
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strm << getpid();
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pid_t childPid = fork();
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if (childPid < 0) {
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ErrorExit(RES_FORK_FAILED);
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}
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if (childPid == 0) {
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// Child's code
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execl(sigapp, sigapp, strm.str().c_str(), (char*)NULL);
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ErrorExit(RES_EXECV_FAILED);
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}
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}
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int main(int argc, char* argv[]) {
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if (argc != 2) {
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ErrorExit(RES_INVALID_ARGS);
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}
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InitLocks();
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if (!createThreads()) { // returns true if all threads were created successfully
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ErrorExit(RES_CREATE_FAILED);
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}
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waitForThreads(); // wait for the secondary thread(s) to be created
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createChild(argv[1]); // create the child that will send the SIGTERM signal
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DoSleep(1000); // wait here to be terminated
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// Failsafe - this should not be reached but we want to avoid a hung test.
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ErrorExit(RES_EXIT_TIMEOUT); // never returns
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// This can't be reached, simply for successful compilation.
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return 0;
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}
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