global_race.cc revision 5a1f23310cc4a1debae8741653defe620518e612
1// RUN: %clangxx_tsan -O1 %s -o %t && %t 2>&1 | FileCheck %s 2#include <pthread.h> 3#include <stdio.h> 4#include <stddef.h> 5 6int GlobalData[10]; 7 8void *Thread(void *a) { 9 GlobalData[2] = 42; 10 return 0; 11} 12 13int main() { 14 fprintf(stderr, "addr=%p\n", GlobalData); 15 pthread_t t; 16 pthread_create(&t, 0, Thread, 0); 17 GlobalData[2] = 43; 18 pthread_join(t, 0); 19} 20 21// CHECK: addr=[[ADDR:0x[0-9,a-f]+]] 22// CHECK: WARNING: ThreadSanitizer: data race 23// Requires llvm-symbolizer, so disabled for now. 24// CHECK0: Location is global 'GlobalData' of size 40 at [[ADDR]] 25// CHECK0: (global_race.cc.exe+0x[0-9,a-f]+) 26