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//===-- Loader test to check if tls size is read correctly ----------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "src/sys/mman/mmap.h"
#include "test/IntegrationTest/test.h"
#include <errno.h>
#include <sys/mman.h>
constexpr int threadLocalDataSize = 101;
_Thread_local int a[threadLocalDataSize] = {123};
TEST_MAIN([[maybe_unused]] int argc, [[maybe_unused]] char **argv,
[[maybe_unused]] char **envp) {
ASSERT_TRUE(a[0] == 123);
for (int i = 1; i < threadLocalDataSize; ++i)
a[i] = i;
for (int i = 1; i < threadLocalDataSize; ++i)
ASSERT_TRUE(a[i] == i);
// Call mmap with bad params so that an error value is
// set in errno. Since errno is implemented using a thread
// local var, this helps us test setting of errno and
// reading it back.
ASSERT_ERRNO_SUCCESS();
void *addr = LIBC_NAMESPACE::mmap(nullptr, 0, PROT_READ,
MAP_ANONYMOUS | MAP_PRIVATE, -1, 0);
ASSERT_TRUE(addr == MAP_FAILED);
ASSERT_ERRNO_EQ(EINVAL);
return 0;
}
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