compiler-rt/test/lsan/TestCases/Linux/disabler_in_tsd_destructor.c

   1 // Regression test. Disabler should not depend on TSD validity.
   2 // RUN: %clang_lsan %s -o %t
   3 // RUN: %env_lsan_opts="report_objects=1:use_registers=0:use_stacks=0:use_tls=1:use_ld_allocations=0" %run %t
   4
   5 #include <assert.h>
   6 #include <pthread.h>
   7 #include <stdio.h>
   8 #include <stdlib.h>
   9
  10 #include "sanitizer/lsan_interface.h"
  11
  12 pthread_key_t key;
  13
  14 void key_destructor(void *arg) {
  15   __lsan_disable();
  16   void *p = malloc(1337);
  17   // Break optimization.
  18   fprintf(stderr, "Test alloc: %p.\n", p);
  19   pthread_setspecific(key, 0);
  20   __lsan_enable();
  21 }
  22
  23 void *thread_func(void *arg) {
  24   int res = pthread_setspecific(key, (void*)1);
  25   assert(res == 0);
  26   return 0;
  27 }
  28
  29 int main() {
  30   int res = pthread_key_create(&key, &key_destructor);
  31   assert(res == 0);
  32   pthread_t thread_id;
  33   res = pthread_create(&thread_id, 0, thread_func, 0);
  34   assert(res == 0);
  35   res = pthread_join(thread_id, 0);
  36   assert(res == 0);
  37   return 0;
  38 }