1 // Regression test for thread lifetime tracking. Thread data should be 2 // considered live during the thread's termination, at least until the 3 // user-installed TSD destructors have finished running (since they may contain 4 // additional cleanup tasks). LSan doesn't actually meet that goal 100%, but it 5 // makes its best effort. 6 // RUN: LSAN_BASE="report_objects=1:use_registers=0:use_stacks=0:use_globals=0" 7 // RUN: %clang_lsan %s -o %t 8 // RUN: LSAN_OPTIONS=$LSAN_BASE:use_tls=1 %run %t 9 // RUN: LSAN_OPTIONS=$LSAN_BASE:use_tls=0 not %run %t 2>&1 | FileCheck %s 10 11 #include <assert.h> 12 #include <pthread.h> 13 #include <stdio.h> 14 #include <stdlib.h> 15 16 #include "sanitizer/lsan_interface.h" 17 18 pthread_key_t key; 19 __thread void *p; 20 21 void key_destructor(void *arg) { 22 // Generally this may happen on a different thread. 23 __lsan_do_leak_check(); 24 } 25 26 void *thread_func(void *arg) { 27 p = malloc(1337); 28 fprintf(stderr, "Test alloc: %p.\n", p); 29 int res = pthread_setspecific(key, (void*)1); 30 assert(res == 0); 31 return 0; 32 } 33 34 int main() { 35 int res = pthread_key_create(&key, &key_destructor); 36 assert(res == 0); 37 pthread_t thread_id; 38 res = pthread_create(&thread_id, 0, thread_func, 0); 39 assert(res == 0); 40 res = pthread_join(thread_id, 0); 41 assert(res == 0); 42 return 0; 43 } 44 // CHECK: Test alloc: [[ADDR:.*]]. 45 // CHECK: [[ADDR]] (1337 bytes) 46
