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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 "include/errno.h"
#include "include/sys/mman.h"
#undef NDEBUG
#include "src/assert/assert.h"
#include "src/errno/llvmlibc_errno.h"
#include "src/sys/mman/mmap.h"
constexpr int threadLocalDataSize = 101;
_Thread_local int a[threadLocalDataSize] = {123};
int main(int argc, char **argv, char **envp) {
assert(a[0] == 123);
for (int i = 1; i < threadLocalDataSize; ++i)
a[i] = i;
for (int i = 1; i < threadLocalDataSize; ++i)
assert(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(llvmlibc_errno == 0);
void *addr = __llvm_libc::mmap(nullptr, 0, PROT_READ,
MAP_ANONYMOUS | MAP_PRIVATE, -1, 0);
assert(addr == MAP_FAILED);
assert(llvmlibc_errno == EINVAL);
return 0;
}
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