1 // Test that dyld interposition works in the presence of DYLD_LIBRARY_PATH.
2 
3 // RUN: %clang_tsan %s -o %t
4 // RUN: env DYLD_LIBRARY_PATH=/usr/lib/system/introspection/ %run %t 2>&1 | FileCheck %s --implicit-check-not='ThreadSanitizer'
5 
6 #include <pthread.h>
7 #include <stdio.h>
8 
Thread(void * a)9 void *Thread(void *a) {
10   fprintf(stderr, "Hello from pthread\n");
11   return NULL;
12 }
13 
main()14 int main() {
15   pthread_t t;
16   pthread_create(&t, NULL, Thread, NULL);
17   pthread_join(t, NULL);
18   fprintf(stderr, "Done.\n");
19 }
20 
21 // CHECK: Hello from pthread
22 // CHECK: Done.
23