compiler-rt/test/lsan/TestCases/Linux/use_tls_pthread_specific_static.cpp

   1 // Test that statically allocated thread-specific storage is included in the root set.
   2 // RUN: %clangxx_lsan %s -o %t
   3 // RUN: %env_lsan_opts="report_objects=1:use_stacks=0:use_registers=0:use_tls=0" not %run %t 2>&1 | FileCheck %s
   4 // RUN: %env_lsan_opts="report_objects=1:use_stacks=0:use_registers=0:use_tls=1" %run %t 2>&1
   5 // RUN: %env_lsan_opts="" %run %t 2>&1
   6
   7 #include <assert.h>
   8 #include <pthread.h>
   9 #include <stdio.h>
  10 #include <stdlib.h>
  11 #include "sanitizer_common/print_address.h"
  12
  13 // From glibc: this many keys are stored in the thread descriptor directly.
  14 const unsigned PTHREAD_KEY_2NDLEVEL_SIZE = 32;
  15
  16 int main() {
  17   pthread_key_t key;
  18   int res;
  19   res = pthread_key_create(&key, NULL);
  20   assert(res == 0);
  21 #if !defined(__ANDROID__) && !defined(__BIONIC__)
  22   // Bionic doesn't have specific limit.
  23   assert(key < PTHREAD_KEY_2NDLEVEL_SIZE);
  24 #endif
  25   void *p = malloc(1337);
  26   res = pthread_setspecific(key, p);
  27   assert(res == 0);
  28   print_address("Test alloc: ", 1, p);
  29   return 0;
  30 }
  31 // CHECK: Test alloc: [[ADDR:0x[0-9,a-f]+]]
  32 // CHECK: LeakSanitizer: detected memory leaks
  33 // CHECK: [[ADDR]] (1337 bytes)
  34 // CHECK: SUMMARY: {{.*}}Sanitizer: