github.com/MerlinKodo/gvisor@v0.0.0-20231110090155-957f62ecf90e/pkg/abi/linux/ipc.go (about)

     1  // Copyright 2018 The gVisor Authors.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package linux
    16  
    17  // Control commands used with semctl, shmctl, and msgctl.
    18  //
    19  // Source: include/uapi/linux/ipc.h.
    20  const (
    21  	IPC_RMID = 0
    22  	IPC_SET  = 1
    23  	IPC_STAT = 2
    24  	IPC_INFO = 3
    25  )
    26  
    27  // Resource get request flags.
    28  //
    29  // Source: include/uapi/linux/ipc.h
    30  const (
    31  	IPC_CREAT  = 00001000
    32  	IPC_EXCL   = 00002000
    33  	IPC_NOWAIT = 00004000
    34  )
    35  
    36  // IPC flags.
    37  const (
    38  	IPC_PRIVATE = 0
    39  )
    40  
    41  // In Linux, amd64 does not enable CONFIG_ARCH_WANT_IPC_PARSE_VERSION, so SysV
    42  // IPC unconditionally uses the "new" 64-bit structures that are needed for
    43  // features like 32-bit UIDs.
    44  
    45  // IPCPerm is equivalent to struct ipc64_perm.
    46  //
    47  // +marshal
    48  type IPCPerm struct {
    49  	Key     uint32
    50  	UID     uint32
    51  	GID     uint32
    52  	CUID    uint32
    53  	CGID    uint32
    54  	Mode    uint16
    55  	_       uint16
    56  	Seq     uint16
    57  	_       uint16
    58  	_       uint32
    59  	unused1 uint64
    60  	unused2 uint64
    61  }