| 1 | //===-- Implementation of abort -------------------------------------------===// |
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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 | #include "src/__support/common.h" |
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| 10 | #include "src/__support/macros/config.h" |
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| 11 | #include "src/signal/raise.h" |
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| 12 | #include "src/stdlib/_Exit.h" |
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| 13 | |
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| 14 | #include "src/stdlib/abort.h" |
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| 15 | |
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| 16 | namespace LIBC_NAMESPACE_DECL { |
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| 17 | |
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| 18 | LLVM_LIBC_FUNCTION(void, abort, ()) { |
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| 19 | // TODO: When sigprocmask and sigaction land: |
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| 20 | // Unblock SIGABRT, raise it, if it was ignored or the handler returned, |
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| 21 | // change its action to SIG_DFL, raise it again. |
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| 22 | // TODO: When C11 mutexes land: |
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| 23 | // Acquire recursive mutex (in case the current signal handler for SIGABRT |
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| 24 | // itself calls abort we don't want to deadlock on the same thread trying |
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| 25 | // to acquire it's own mutex.) |
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| 26 | LIBC_NAMESPACE::raise(SIGABRT); |
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| 27 | LIBC_NAMESPACE::raise(SIGKILL); |
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| 28 | LIBC_NAMESPACE::_Exit(127); |
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| 29 | } |
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| 30 | |
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| 31 | } // namespace LIBC_NAMESPACE_DECL |
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| 32 | |
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