llvm-project

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//===-- sanitizer_syscall_generic.inc ---------------------------*- C++ -*-===//
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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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//
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// Generic implementations of internal_syscall* and internal_iserror.
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//
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//===----------------------------------------------------------------------===//
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// NetBSD uses libc calls directly
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#if !SANITIZER_NETBSD
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#if SANITIZER_FREEBSD || SANITIZER_APPLE || SANITIZER_SOLARIS
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# define SYSCALL(name) SYS_ ## name
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#else
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# define SYSCALL(name) __NR_ ## name
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#endif
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#if (defined(__x86_64__) && (SANITIZER_FREEBSD || SANITIZER_APPLE)) || \
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    (defined(__aarch64__) && SANITIZER_FREEBSD)
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# define internal_syscall __syscall
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# else
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# define internal_syscall syscall
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#endif
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#endif
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bool internal_iserror(uptr retval, int *rverrno) {
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  if (retval == (uptr)-1) {
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    if (rverrno)
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      *rverrno = errno;
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    return true;
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  } else {
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    return false;
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  }
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}
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