1 //===- llvm/unittest/Support/ManagedStatic.cpp - ManagedStatic tests ------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 #include "llvm/Support/ManagedStatic.h" 10 #include "llvm/Support/Threading.h" 11 #include "llvm/Config/config.h" 12 #ifdef HAVE_PTHREAD_H 13 #include <pthread.h> 14 #endif 15 16 #include "gtest/gtest.h" 17 18 using namespace llvm; 19 20 namespace { 21 22 #ifdef HAVE_PTHREAD_H 23 namespace test1 { 24 llvm::ManagedStatic<int> ms; 25 void *helper(void*) { 26 *ms; 27 return NULL; 28 } 29 } 30 31 TEST(Initialize, MultipleThreads) { 32 // Run this test under tsan: http://code.google.com/p/data-race-test/ 33 34 llvm_start_multithreaded(); 35 pthread_t t1, t2; 36 pthread_create(&t1, NULL, test1::helper, NULL); 37 pthread_create(&t2, NULL, test1::helper, NULL); 38 pthread_join(t1, NULL); 39 pthread_join(t2, NULL); 40 llvm_stop_multithreaded(); 41 } 42 #endif 43 44 } // anonymous namespace 45
