39 lines
1.3 KiB
C++
39 lines
1.3 KiB
C++
//===-- 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"
|
|
|
|
#include "src/errno/llvmlibc_errno.h"
|
|
#include "src/sys/mman/mmap.h"
|
|
#include "utils/IntegrationTest/test.h"
|
|
|
|
constexpr int threadLocalDataSize = 101;
|
|
_Thread_local int a[threadLocalDataSize] = {123};
|
|
|
|
TEST_MAIN(int argc, char **argv, 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_TRUE(llvmlibc_errno == 0);
|
|
void *addr = __llvm_libc::mmap(nullptr, 0, PROT_READ,
|
|
MAP_ANONYMOUS | MAP_PRIVATE, -1, 0);
|
|
ASSERT_TRUE(addr == MAP_FAILED);
|
|
ASSERT_TRUE(llvmlibc_errno == EINVAL);
|
|
|
|
return 0;
|
|
}
|