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      1 // Test that dynamically allocated thread-specific storage is included in the root set.
      2 // RUN: LSAN_BASE="report_objects=1:use_stacks=0:use_registers=0"
      3 // RUN: %clangxx_lsan %s -o %t
      4 // RUN: LSAN_OPTIONS=$LSAN_BASE:"use_tls=0" not %run %t 2>&1 | FileCheck %s
      5 // RUN: LSAN_OPTIONS=$LSAN_BASE:"use_tls=1" %run %t 2>&1
      6 // RUN: LSAN_OPTIONS="" %run %t 2>&1
      7 
      8 #include <assert.h>
      9 #include <pthread.h>
     10 #include <stdio.h>
     11 #include <stdlib.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   static const unsigned kDummyKeysCount = PTHREAD_KEY_2NDLEVEL_SIZE;
     18   int res;
     19   pthread_key_t dummy_keys[kDummyKeysCount];
     20   for (unsigned i = 0; i < kDummyKeysCount; i++) {
     21     res = pthread_key_create(&dummy_keys[i], NULL);
     22     assert(res == 0);
     23   }
     24   pthread_key_t key;
     25   res = pthread_key_create(&key, NULL);
     26   assert(key >= PTHREAD_KEY_2NDLEVEL_SIZE);
     27   assert(res == 0);
     28   void *p  = malloc(1337);
     29   res = pthread_setspecific(key, p);
     30   assert(res == 0);
     31   fprintf(stderr, "Test alloc: %p.\n", p);
     32   return 0;
     33 }
     34 // CHECK: Test alloc: [[ADDR:.*]].
     35 // CHECK: LeakSanitizer: detected memory leaks
     36 // CHECK: [[ADDR]] (1337 bytes)
     37 // CHECK: SUMMARY: {{(Leak|Address)}}Sanitizer:
     38