forked from OSchip/llvm-project
57 lines
1.0 KiB
C++
57 lines
1.0 KiB
C++
// RUN: %clangxx_tsan -O1 %s -DBUILD_SO -fPIC -shared -o %t-so.so
|
|
// RUN: %clangxx_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s
|
|
|
|
// Test case for
|
|
// https://github.com/google/sanitizers/issues/487
|
|
|
|
#ifdef BUILD_SO
|
|
|
|
#include <stdio.h>
|
|
|
|
extern "C"
|
|
void sofunc() {
|
|
fprintf(stderr, "HELLO FROM SO\n");
|
|
}
|
|
|
|
#else // BUILD_SO
|
|
|
|
#include <dlfcn.h>
|
|
#include <stdio.h>
|
|
#include <stddef.h>
|
|
#include <unistd.h>
|
|
#include <string>
|
|
|
|
void *lib;
|
|
void *lib2;
|
|
|
|
struct Closer {
|
|
~Closer() {
|
|
dlclose(lib);
|
|
fprintf(stderr, "CLOSED SO\n");
|
|
}
|
|
};
|
|
static Closer c;
|
|
|
|
int main(int argc, char *argv[]) {
|
|
lib = dlopen((std::string(argv[0]) + std::string("-so.so")).c_str(),
|
|
RTLD_NOW|RTLD_NODELETE);
|
|
if (lib == 0) {
|
|
printf("error in dlopen: %s\n", dlerror());
|
|
return 1;
|
|
}
|
|
void *f = dlsym(lib, "sofunc");
|
|
if (f == 0) {
|
|
printf("error in dlsym: %s\n", dlerror());
|
|
return 1;
|
|
}
|
|
((void(*)())f)();
|
|
return 0;
|
|
}
|
|
|
|
#endif // BUILD_SO
|
|
|
|
// CHECK: HELLO FROM SO
|
|
// CHECK-NOT: Inconsistency detected by ld.so
|
|
// CHECK: CLOSED SO
|
|
|