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container/vminitd/Sources/LCShim/include/syscall.h
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Danny Canter 61b01cc1ee LCShim: Add CZ prefixes/pidfd wrappers (#189)
We should namespace these a bit, and we need pidfd for some upcoming
terminal work. This also just gets rid of syscall2 and replaces with a
pivot_root wrapper.
2025-07-01 02:16:17 -07:00

39 lines
1.0 KiB
C

/*
* Copyright © 2025 Apple Inc. and the Containerization project authors. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef __SYSCALL_H
#define __SYSCALL_H
#include <sys/types.h>
int CZ_pivot_root(const char *new_root, const char *put_old);
int CZ_set_sub_reaper();
#ifndef SYS_pidfd_open
#define SYS_pidfd_open 434
#endif
int CZ_pidfd_open(pid_t pid, unsigned int flags);
#ifndef SYS_pidfd_getfd
#define SYS_pidfd_getfd 438
#endif
int CZ_pidfd_getfd(int pidfd, int targetfd, unsigned int flags);
#endif