compiler-rt/test/asan/TestCases/Linux/pthread_create_version.cpp

   1 // RUN: %clangxx_asan -std=c++11 -pthread %s -o %t && %run %t 2>&1
   2 // Regression test for the versioned pthread_create interceptor on linux/i386.
   3 // pthread_attr_init is not intercepted and binds to the new abi
   4 // pthread_create is intercepted; dlsym always returns the oldest version.
   5 // This results in a crash inside pthread_create in libc.
   6
   7 #include <pthread.h>
   8 #include <stdlib.h>
   9
  10 void *ThreadFunc(void *) { return nullptr; }
  11
  12 int main() {
  13   pthread_t t;
  14   const size_t sz = 1024 * 1024;
  15   void *p = malloc(sz);
  16   pthread_attr_t attr;
  17   pthread_attr_init(&attr);
  18   pthread_attr_setstack(&attr, p, sz);
  19   pthread_create(&t, &attr, ThreadFunc, nullptr);
  20   pthread_join(t, nullptr);
  21   free(p);
  22   return 0;
  23 }