| // Test that lsan handles tls correctly for many threads |
| // RUN: LSAN_BASE="report_objects=1:use_stacks=0:use_registers=0" |
| // RUN: %clangxx_lsan %s -o %t |
| // RUN: %env_lsan_opts=$LSAN_BASE:"use_tls=0" not %run %t 2>&1 | FileCheck %s |
| // RUN: %env_lsan_opts=$LSAN_BASE:"use_tls=1" %run %t 2>&1 |
| // RUN: %env_lsan_opts="" %run %t 2>&1 |
| |
| // Patch r303906 did not fix all the problems. |
| // UNSUPPORTED: arm-linux,armhf-linux |
| |
| #include <assert.h> |
| #include <limits.h> |
| #include <pthread.h> |
| #include <stdlib.h> |
| #include <unistd.h> |
| |
| static const int NUM_THREADS = 10; |
| |
| pthread_cond_t cond = PTHREAD_COND_INITIALIZER; |
| pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; |
| int finished = 0; |
| |
| __thread void *ptr1; |
| __thread void *ptr2; |
| __thread void *ptr3; |
| __thread void *ptr4; |
| __thread void *ptr5; |
| |
| void alloc() { |
| ptr1 = malloc(1111); |
| ptr2 = malloc(2222); |
| ptr3 = malloc(3333); |
| ptr4 = malloc(4444); |
| ptr5 = malloc(5555); |
| } |
| |
| void *thread_start(void *arg) { |
| alloc(); |
| |
| pthread_mutex_lock(&mutex); |
| finished++; |
| pthread_mutex_unlock(&mutex); |
| |
| // don't exit, to intentionally leak tls data |
| while (1) |
| sleep(100); |
| } |
| |
| int main() { |
| pthread_t thread[NUM_THREADS]; |
| for (int i = 0; i < NUM_THREADS; ++i) { |
| assert(0 == pthread_create(&thread[i], 0, thread_start, 0)); |
| } |
| // spin until all threads have finished |
| while (finished < NUM_THREADS) |
| sleep(1); |
| exit(0); |
| } |
| |
| // CHECK: LeakSanitizer: detected memory leaks |
| // CHECK: SUMMARY: {{(Leak|Address)}}Sanitizer: |