ignore_lib3.cpp
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// RUN: rm -rf %t-dir
// RUN: mkdir %t-dir
// RUN: %clangxx_tsan -O1 %s -DLIB -fPIC -fno-sanitize=thread -shared -o %t-dir/libignore_lib3.so
// RUN: %clangxx_tsan -O1 %s %link_libcxx_tsan -o %t-dir/executable
// RUN: %env_tsan_opts=suppressions='%s.supp' %deflake %run %t-dir/executable | FileCheck %s
// Tests that unloading of a library matched against called_from_lib suppression
// causes program crash (this is not supported).
// Some aarch64 kernels do not support non executable write pages
// REQUIRES: stable-runtime
#ifndef LIB
#include <dlfcn.h>
#include <stdlib.h>
#include <stdio.h>
#include <errno.h>
#include <libgen.h>
#include <string>
int main(int argc, char **argv) {
std::string lib = std::string(dirname(argv[0])) + "/libignore_lib3.so";
void *h = dlopen(lib.c_str(), RTLD_GLOBAL | RTLD_NOW);
dlclose(h);
fprintf(stderr, "OK\n");
}
#else // #ifdef LIB
extern "C" void libfunc() {
}
#endif // #ifdef LIB
// CHECK: ThreadSanitizer: library {{.*}} that was matched against called_from_lib suppression 'ignore_lib3.so' is unloaded
// CHECK-NOT: OK