| 1 | //===-- Linux implementation of __restore_rt ------------------------------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | // This file is implemented separately from sigaction.cpp so that we can |
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| 10 | // strongly control the options this file is compiled with. __restore_rt cannot |
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| 11 | // make any stack allocations so we must ensure this. |
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| 12 | |
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| 13 | #include "src/__support/OSUtil/syscall.h" |
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| 14 | |
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| 15 | #include <sys/syscall.h> |
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| 16 | |
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| 17 | namespace LIBC_NAMESPACE { |
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| 18 | |
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| 19 | extern "C" void __restore_rt() |
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| 20 | __attribute__((no_sanitize("all" ), |
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| 21 | hidden)); |
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| 22 | |
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| 23 | extern "C" void __restore_rt() { |
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| 24 | LIBC_NAMESPACE::syscall_impl<long>(SYS_rt_sigreturn); |
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| 25 | } |
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| 26 | |
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| 27 | } // namespace LIBC_NAMESPACE |
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| 28 | |
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