196e7813f08c6adf1d8657b0da86741b54e850fd7Rafael Espindola// RUN: %clangxx_tsan -O1 %s -DLIB -fPIC -fno-sanitize=thread -shared -o %T/libignore_lib1.so
24c4df4520df20ec17d84aa2261f098ec278e1dabChad Rosier// RUN: %clangxx_tsan -O1 %s -o %t
34c4df4520df20ec17d84aa2261f098ec278e1dabChad Rosier// RUN: echo running w/o suppressions:
44c4df4520df20ec17d84aa2261f098ec278e1dabChad Rosier// RUN: %deflake %run %t | FileCheck %s --check-prefix=CHECK-NOSUPP
529511875348c49c9c5a14bb086cd51e17feb01c9Rafael Espindola// RUN: echo running with suppressions:
64c4df4520df20ec17d84aa2261f098ec278e1dabChad Rosier// RUN: TSAN_OPTIONS="$TSAN_OPTIONS suppressions=%s.supp" %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-WITHSUPP
7
8// Tests that interceptors coming from a dynamically loaded library specified
9// in called_from_lib suppression are ignored.
10
11#ifndef LIB
12
13#include <dlfcn.h>
14#include <stdlib.h>
15#include <stdio.h>
16#include <errno.h>
17#include <libgen.h>
18#include <string>
19
20int main(int argc, char **argv) {
21  std::string lib = std::string(dirname(argv[0])) + "/libignore_lib1.so";
22  void *h = dlopen(lib.c_str(), RTLD_GLOBAL | RTLD_NOW);
23  if (h == 0)
24    exit(printf("failed to load the library (%d)\n", errno));
25  void (*f)() = (void(*)())dlsym(h, "libfunc");
26  if (f == 0)
27    exit(printf("failed to find the func (%d)\n", errno));
28  f();
29}
30
31#else  // #ifdef LIB
32
33#include "ignore_lib_lib.h"
34
35#endif  // #ifdef LIB
36
37// CHECK-NOSUPP: WARNING: ThreadSanitizer: data race
38// CHECK-NOSUPP: OK
39
40// CHECK-WITHSUPP-NOT: WARNING: ThreadSanitizer: data race
41// CHECK-WITHSUPP: OK
42
43