d5aa5e33e6
Instead of using libc_errno directly, include <errno.h> and use regular "errno" in the code. (to verify that errno-as-an-interface works properly). This is the recipe prescribed in the libc/src/__support/libc_errno.h header - let's actually follow it in the integration tests.
38 lines
1.2 KiB
C++
38 lines
1.2 KiB
C++
//===-- Loader test to check if tls size is read correctly ----------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "src/sys/mman/mmap.h"
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#include "test/IntegrationTest/test.h"
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#include <errno.h>
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#include <sys/mman.h>
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constexpr int threadLocalDataSize = 101;
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_Thread_local int a[threadLocalDataSize] = {123};
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TEST_MAIN(int argc, char **argv, char **envp) {
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ASSERT_TRUE(a[0] == 123);
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for (int i = 1; i < threadLocalDataSize; ++i)
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a[i] = i;
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for (int i = 1; i < threadLocalDataSize; ++i)
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ASSERT_TRUE(a[i] == i);
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// Call mmap with bad params so that an error value is
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// set in errno. Since errno is implemented using a thread
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// local var, this helps us test setting of errno and
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// reading it back.
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ASSERT_ERRNO_SUCCESS();
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void *addr = LIBC_NAMESPACE::mmap(nullptr, 0, PROT_READ,
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MAP_ANONYMOUS | MAP_PRIVATE, -1, 0);
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ASSERT_TRUE(addr == MAP_FAILED);
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ASSERT_ERRNO_EQ(EINVAL);
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return 0;
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}
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