1 // RUN: rm -rf %t-dir 2 // RUN: mkdir %t-dir 3 4 // RUN: %clangxx_tsan -O1 -fno-builtin %s -DLIB -fPIC -fno-sanitize=thread -shared -o %t-dir/libignore_lib1.so 5 // RUN: %clangxx_tsan -O1 %s %link_libcxx_tsan -o %t-dir/executable 6 // RUN: echo running w/o suppressions: 7 // RUN: %deflake %run %t-dir/executable | FileCheck %s --check-prefix=CHECK-NOSUPP 8 // RUN: echo running with suppressions: 9 // RUN: %env_tsan_opts=suppressions='%s.supp' %run %t-dir/executable 2>&1 | FileCheck %s --check-prefix=CHECK-WITHSUPP 10 11 // Tests that interceptors coming from a dynamically loaded library specified 12 // in called_from_lib suppression are ignored. 13 14 // REQUIRES: stable-runtime 15 // UNSUPPORTED: powerpc64le 16 // FIXME: This test regularly fails on powerpc64 LE possibly starting with 17 // r279664. Re-enable the test once the problem(s) have been fixed. 18 19 #ifndef LIB 20 21 #include <dlfcn.h> 22 #include <stdlib.h> 23 #include <stdio.h> 24 #include <errno.h> 25 #include <libgen.h> 26 #include <string> 27 main(int argc,char ** argv)28int main(int argc, char **argv) { 29 std::string lib = std::string(dirname(argv[0])) + "/libignore_lib1.so"; 30 void *h = dlopen(lib.c_str(), RTLD_GLOBAL | RTLD_NOW); 31 if (h == 0) 32 exit(printf("failed to load the library (%d)\n", errno)); 33 void (*f)() = (void(*)())dlsym(h, "libfunc"); 34 if (f == 0) 35 exit(printf("failed to find the func (%d)\n", errno)); 36 f(); 37 } 38 39 #else // #ifdef LIB 40 41 #include "ignore_lib_lib.h" 42 43 #endif // #ifdef LIB 44 45 // CHECK-NOSUPP: WARNING: ThreadSanitizer: data race 46 // CHECK-NOSUPP: OK 47 48 // CHECK-WITHSUPP-NOT: WARNING: ThreadSanitizer: data race 49 // CHECK-WITHSUPP: OK 50 51