mirror of
https://github.com/netbirdio/gvisor.git
synced 2026-05-22 17:12:49 -07:00
Andrei Vagin
44 lines
1.2 KiB
C++
44 lines
1.2 KiB
C++
// Copyright 2019 The gVisor 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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#ifdef __linux__
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#include <errno.h>
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#include <sys/syscall.h>
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#include <unistd.h>
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#include "test/util/save_util.h"
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#define SYS_TRIGGER_SAVE SYS_init_module
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namespace gvisor {
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namespace testing {
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namespace internal {
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void DoCooperativeSave() {
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int orig_errno = errno;
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// We use it to trigger saving the sentry state
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// when this syscall is called.
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// Notice: this needs to be a valid syscall
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// that is not used in any of the syscall tests.
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syscall(SYS_TRIGGER_SAVE, nullptr, 0);
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errno = orig_errno;
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}
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} // namespace internal
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} // namespace testing
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} // namespace gvisor
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#endif // __linux__
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