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40 lines
993 B
C++
40 lines
993 B
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <Kernel/Process.h>
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namespace Kernel {
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ErrorOr<FlatPtr> Process::sys$uname(Userspace<utsname*> user_buf)
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{
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VERIFY_NO_PROCESS_BIG_LOCK(this);
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TRY(require_promise(Pledge::stdio));
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utsname buf {};
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memcpy(buf.sysname, "SerenityOS", 11);
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memcpy(buf.release, "1.0-dev", 8);
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memcpy(buf.version, "FIXME", 6);
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#if ARCH(I386)
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memcpy(buf.machine, "i686", 5);
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#elif ARCH(X86_64)
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memcpy(buf.machine, "x86_64", 7);
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#elif ARCH(AARCH64)
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memcpy(buf.machine, "AArch64", 7);
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#else
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# error Unknown architecture
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#endif
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hostname().with_shared([&](auto const& name) {
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auto length = min(name->length(), UTSNAME_ENTRY_LEN - 1);
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AK::TypedTransfer<char>::copy(reinterpret_cast<char*>(buf.nodename), name->characters(), length);
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buf.nodename[length] = '\0';
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});
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TRY(copy_to_user(user_buf, &buf));
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return 0;
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}
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}
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