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 main()16int 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