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: 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 20 int 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
