1 // Test that TLS is unpoisoned on thread death. 2 // REQUIRES: x86-target-arch 3 4 // RUN: %clangxx_asan -O1 %s -pthread -o %t && %run %t 2>&1 5 6 #include <assert.h> 7 #include <pthread.h> 8 #include <stdio.h> 9 10 #include <sanitizer/asan_interface.h> 11 12 __thread int64_t tls_var[2]; 13 14 volatile int64_t *p_tls_var; 15 16 void *first(void *arg) { 17 ASAN_POISON_MEMORY_REGION(&tls_var, sizeof(tls_var)); 18 p_tls_var = tls_var; 19 return 0; 20 } 21 22 void *second(void *arg) { 23 assert(tls_var == p_tls_var); 24 *p_tls_var = 1; 25 return 0; 26 } 27 28 int main(int argc, char *argv[]) { 29 pthread_t p; 30 assert(0 == pthread_create(&p, 0, first, 0)); 31 assert(0 == pthread_join(p, 0)); 32 assert(0 == pthread_create(&p, 0, second, 0)); 33 assert(0 == pthread_join(p, 0)); 34 return 0; 35 } 36
