mirror of
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57 lines
1.8 KiB
C++
57 lines
1.8 KiB
C++
// Copyright 2026 Mocktail Project Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "compat/bionic_sysconf.h"
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#include <errno.h>
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#include <unistd.h>
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namespace mocktail::compat {
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long BionicSysconf(int name) noexcept {
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switch (static_cast<BionicSysconfName>(name)) {
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case BionicSysconfName::kArgMax:
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return ::sysconf(_SC_ARG_MAX);
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case BionicSysconfName::kChildMax:
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return ::sysconf(_SC_CHILD_MAX);
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case BionicSysconfName::kClockTicks:
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// Android/Linux USER_HZ is 100.
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return 100;
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case BionicSysconfName::kOpenMax:
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return ::sysconf(_SC_OPEN_MAX);
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case BionicSysconfName::kIovMax:
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return ::sysconf(_SC_IOV_MAX);
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case BionicSysconfName::kPageSize:
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case BionicSysconfName::kPageSizeAlias:
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return ::sysconf(_SC_PAGESIZE);
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case BionicSysconfName::kProcessorsConfigured:
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return ::sysconf(_SC_NPROCESSORS_CONF);
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case BionicSysconfName::kProcessorsOnline:
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return ::sysconf(_SC_NPROCESSORS_ONLN);
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case BionicSysconfName::kPhysicalPages:
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return ::sysconf(_SC_PHYS_PAGES);
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case BionicSysconfName::kAvailablePhysicalPages:
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return ::sysconf(_SC_AVPHYS_PAGES);
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}
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errno = EINVAL;
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return -1;
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}
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} // namespace mocktail::compat
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extern "C" long mocktail_bionic_sysconf(int name) {
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return mocktail::compat::BionicSysconf(name);
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}
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