3eb1e6d8e9
Having libc_errno outside of the namespace causes versioning issues when trying to link the tests against LLVM-libc. Most of this patch is just moving libc_errno inside the namespace in tests. This isn't necessary in the function implementations since those are already inside the namespace.
45 lines
1.7 KiB
C++
45 lines
1.7 KiB
C++
//===-- Unittests for prctl -----------------------------------------------===//
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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/errno/libc_errno.h"
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#include "src/sys/prctl/prctl.h"
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#include "test/UnitTest/ErrnoSetterMatcher.h"
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#include <errno.h>
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#include <sys/prctl.h>
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using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Fails;
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using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Succeeds;
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TEST(LlvmLibcSysPrctlTest, GetSetName) {
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char name[17];
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unsigned long name_addr = 0;
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ASSERT_THAT(LIBC_NAMESPACE::prctl(PR_GET_NAME, name_addr, 0, 0, 0),
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Fails(EFAULT, -1));
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name_addr = reinterpret_cast<unsigned long>("libc-test");
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ASSERT_THAT(LIBC_NAMESPACE::prctl(PR_SET_NAME, name_addr, 0, 0, 0),
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Succeeds());
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name_addr = reinterpret_cast<unsigned long>(name);
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ASSERT_THAT(LIBC_NAMESPACE::prctl(PR_GET_NAME, name_addr, 0, 0, 0),
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Succeeds());
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ASSERT_STREQ(name, "libc-test");
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}
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TEST(LlvmLibcSysPrctlTest, GetTHPDisable) {
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// Manually check errno since the return value logic here is not
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// covered in ErrnoSetterMatcher.
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LIBC_NAMESPACE::libc_errno = 0;
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int ret = LIBC_NAMESPACE::prctl(PR_GET_THP_DISABLE, 0, 0, 0, 0);
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ASSERT_ERRNO_SUCCESS();
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// PR_GET_THP_DISABLE return (as the function result) the current
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// setting of the "THP disable" flag for the calling thread, which
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// is either 1, if the flag is set; or 0, if it is not.
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ASSERT_TRUE(ret == 0 || ret == 1);
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}
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