| // Regression test for thread lifetime tracking. Thread data should be |
| // considered live during the thread's termination, at least until the |
| // user-installed TSD destructors have finished running (since they may contain |
| // additional cleanup tasks). LSan doesn't actually meet that goal 100%, but it |
| // makes its best effort. |
| // RUN: LSAN_BASE="report_objects=1:use_registers=0:use_stacks=0:use_globals=0" |
| // RUN: %clangxx_lsan %s -o %t |
| // RUN: LSAN_OPTIONS=$LSAN_BASE:use_tls=1 %t |
| // RUN: LSAN_OPTIONS=$LSAN_BASE:use_tls=0 not %t 2>&1 | FileCheck %s |
| |
| #include <assert.h> |
| #include <pthread.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| |
| #include "sanitizer/lsan_interface.h" |
| |
| pthread_key_t key; |
| __thread void *p; |
| |
| void key_destructor(void *arg) { |
| // Generally this may happen on a different thread. |
| __lsan_do_leak_check(); |
| } |
| |
| void *thread_func(void *arg) { |
| p = malloc(1337); |
| fprintf(stderr, "Test alloc: %p.\n", p); |
| int res = pthread_setspecific(key, (void*)1); |
| assert(res == 0); |
| return 0; |
| } |
| |
| int main() { |
| int res = pthread_key_create(&key, &key_destructor); |
| assert(res == 0); |
| pthread_t thread_id; |
| res = pthread_create(&thread_id, 0, thread_func, 0); |
| assert(res == 0); |
| res = pthread_join(thread_id, 0); |
| assert(res == 0); |
| return 0; |
| } |
| // CHECK: Test alloc: [[ADDR:.*]]. |
| // CHECK: leaked 1337 byte object at [[ADDR]] |