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