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| // RUN: %clangxx_tsan -O1 %s -DBUILD_SO -fPIC -shared -o %t-so.so
// RUN: %clangxx_tsan -O1 %s %link_libcxx_tsan -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
|