1*7c3d14c8STreehugger Robot // RUN: %clangxx_tsan -O1 %s -DBUILD_SO -fPIC -shared -o %t-so.so 2*7c3d14c8STreehugger Robot // RUN: %clangxx_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s 3*7c3d14c8STreehugger Robot 4*7c3d14c8STreehugger Robot // Test case for 5*7c3d14c8STreehugger Robot // https://github.com/google/sanitizers/issues/487 6*7c3d14c8STreehugger Robot 7*7c3d14c8STreehugger Robot #ifdef BUILD_SO 8*7c3d14c8STreehugger Robot 9*7c3d14c8STreehugger Robot #include <stdio.h> 10*7c3d14c8STreehugger Robot 11*7c3d14c8STreehugger Robot extern "C" sofunc()12*7c3d14c8STreehugger Robotvoid sofunc() { 13*7c3d14c8STreehugger Robot fprintf(stderr, "HELLO FROM SO\n"); 14*7c3d14c8STreehugger Robot } 15*7c3d14c8STreehugger Robot 16*7c3d14c8STreehugger Robot #else // BUILD_SO 17*7c3d14c8STreehugger Robot 18*7c3d14c8STreehugger Robot #include <dlfcn.h> 19*7c3d14c8STreehugger Robot #include <stdio.h> 20*7c3d14c8STreehugger Robot #include <stddef.h> 21*7c3d14c8STreehugger Robot #include <unistd.h> 22*7c3d14c8STreehugger Robot #include <string> 23*7c3d14c8STreehugger Robot 24*7c3d14c8STreehugger Robot void *lib; 25*7c3d14c8STreehugger Robot void *lib2; 26*7c3d14c8STreehugger Robot 27*7c3d14c8STreehugger Robot struct Closer { ~CloserCloser28*7c3d14c8STreehugger Robot ~Closer() { 29*7c3d14c8STreehugger Robot dlclose(lib); 30*7c3d14c8STreehugger Robot fprintf(stderr, "CLOSED SO\n"); 31*7c3d14c8STreehugger Robot } 32*7c3d14c8STreehugger Robot }; 33*7c3d14c8STreehugger Robot static Closer c; 34*7c3d14c8STreehugger Robot main(int argc,char * argv[])35*7c3d14c8STreehugger Robotint main(int argc, char *argv[]) { 36*7c3d14c8STreehugger Robot lib = dlopen((std::string(argv[0]) + std::string("-so.so")).c_str(), 37*7c3d14c8STreehugger Robot RTLD_NOW|RTLD_NODELETE); 38*7c3d14c8STreehugger Robot if (lib == 0) { 39*7c3d14c8STreehugger Robot printf("error in dlopen: %s\n", dlerror()); 40*7c3d14c8STreehugger Robot return 1; 41*7c3d14c8STreehugger Robot } 42*7c3d14c8STreehugger Robot void *f = dlsym(lib, "sofunc"); 43*7c3d14c8STreehugger Robot if (f == 0) { 44*7c3d14c8STreehugger Robot printf("error in dlsym: %s\n", dlerror()); 45*7c3d14c8STreehugger Robot return 1; 46*7c3d14c8STreehugger Robot } 47*7c3d14c8STreehugger Robot ((void(*)())f)(); 48*7c3d14c8STreehugger Robot return 0; 49*7c3d14c8STreehugger Robot } 50*7c3d14c8STreehugger Robot 51*7c3d14c8STreehugger Robot #endif // BUILD_SO 52*7c3d14c8STreehugger Robot 53*7c3d14c8STreehugger Robot // CHECK: HELLO FROM SO 54*7c3d14c8STreehugger Robot // CHECK-NOT: Inconsistency detected by ld.so 55*7c3d14c8STreehugger Robot // CHECK: CLOSED SO 56*7c3d14c8STreehugger Robot 57