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// Checks that on OS X 10.11+ (where we do not re-exec anymore, because
// interceptors work automatically), dlopen'ing a TSanified library from a
// non-instrumented program exits with a user-friendly message.
// REQUIRES: osx-autointerception
// XFAIL: ios
// RUN: %clangxx_tsan %s -o %t.so -shared -DSHARED_LIB
// RUN: %clangxx_tsan -fno-sanitize=thread %s -o %t
// RUN: TSAN_DYLIB_PATH=`%clangxx_tsan %s -### 2>&1 \
// RUN: | grep "libclang_rt.tsan_osx_dynamic.dylib" \
// RUN: | sed -e 's/.*"\(.*libclang_rt.tsan_osx_dynamic.dylib\)".*/\1/'`
// Launching a non-instrumented binary that dlopen's an instrumented library should fail.
// RUN: not %run %t %t.so 2>&1 | FileCheck %s --check-prefix=CHECK-FAIL
// Launching a non-instrumented binary with an explicit DYLD_INSERT_LIBRARIES should work.
// RUN: DYLD_INSERT_LIBRARIES=$TSAN_DYLIB_PATH %run %t %t.so 2>&1 | FileCheck %s
#include <dlfcn.h>
#include <pthread.h>
#include <stdio.h>
#if defined(SHARED_LIB)
extern "C" void foo() {
fprintf(stderr, "Hello world.\n");
}
#else // defined(SHARED_LIB)
int main(int argc, char *argv[]) {
void *handle = dlopen(argv[1], RTLD_NOW);
fprintf(stderr, "handle = %p\n", handle);
void (*foo)() = (void (*)())dlsym(handle, "foo");
fprintf(stderr, "foo = %p\n", foo);
foo();
}
#endif // defined(SHARED_LIB)
// CHECK: Hello world.
// CHECK-NOT: ERROR: Interceptors are not working.
// CHECK-FAIL-NOT: Hello world.
// CHECK-FAIL: ERROR: Interceptors are not working.
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