1 // RUN: %clangxx_tsan -O1 %s -DLIB -fPIC -fno-sanitize=thread -shared -o %T/libignore_lib1.so 2 // RUN: %clangxx_tsan -O1 %s -o %t 3 // RUN: echo running w/o suppressions: 4 // RUN: %deflake %run %t | FileCheck %s --check-prefix=CHECK-NOSUPP 5 // RUN: echo running with suppressions: 6 // RUN: %env_tsan_opts=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 // REQUIRES: stable-runtime 12 13 #ifndef LIB 14 15 #include <dlfcn.h> 16 #include <stdlib.h> 17 #include <stdio.h> 18 #include <errno.h> 19 #include <libgen.h> 20 #include <string> 21 22 int main(int argc, char **argv) { 23 std::string lib = std::string(dirname(argv[0])) + "/libignore_lib1.so"; 24 void *h = dlopen(lib.c_str(), RTLD_GLOBAL | RTLD_NOW); 25 if (h == 0) 26 exit(printf("failed to load the library (%d)\n", errno)); 27 void (*f)() = (void(*)())dlsym(h, "libfunc"); 28 if (f == 0) 29 exit(printf("failed to find the func (%d)\n", errno)); 30 f(); 31 } 32 33 #else // #ifdef LIB 34 35 #include "ignore_lib_lib.h" 36 37 #endif // #ifdef LIB 38 39 // CHECK-NOSUPP: WARNING: ThreadSanitizer: data race 40 // CHECK-NOSUPP: OK 41 42 // CHECK-WITHSUPP-NOT: WARNING: ThreadSanitizer: data race 43 // CHECK-WITHSUPP: OK 44 45
