diff options
Diffstat (limited to 'pkg/abi')
| -rw-r--r-- | pkg/abi/linux/BUILD | 2 | ||||
| -rw-r--r-- | pkg/abi/linux/clone.go | 41 | ||||
| -rw-r--r-- | pkg/abi/linux/epoll.go | 56 | ||||
| -rw-r--r-- | pkg/abi/linux/fcntl.go | 36 | ||||
| -rw-r--r-- | pkg/abi/linux/file.go | 43 | ||||
| -rw-r--r-- | pkg/abi/linux/ipc.go | 6 | ||||
| -rw-r--r-- | pkg/abi/linux/netlink.go | 8 | ||||
| -rw-r--r-- | pkg/abi/linux/netlink_route.go | 12 | ||||
| -rw-r--r-- | pkg/abi/linux/sched.go | 6 | ||||
| -rw-r--r-- | pkg/abi/linux/time.go | 6 |
10 files changed, 179 insertions, 37 deletions
diff --git a/pkg/abi/linux/BUILD b/pkg/abi/linux/BUILD index cd405aa96..2061b38c0 100644 --- a/pkg/abi/linux/BUILD +++ b/pkg/abi/linux/BUILD @@ -13,8 +13,10 @@ go_library( "audit.go", "bpf.go", "capability.go", + "clone.go", "dev.go", "elf.go", + "epoll.go", "errors.go", "eventfd.go", "exec.go", diff --git a/pkg/abi/linux/clone.go b/pkg/abi/linux/clone.go new file mode 100644 index 000000000..c2cbfca5e --- /dev/null +++ b/pkg/abi/linux/clone.go @@ -0,0 +1,41 @@ +// Copyright 2018 The gVisor Authors. +// +// 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 +// +// http://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. + +package linux + +// Clone constants per clone(2). +const ( + CLONE_VM = 0x100 + CLONE_FS = 0x200 + CLONE_FILES = 0x400 + CLONE_SIGHAND = 0x800 + CLONE_PARENT = 0x8000 + CLONE_PTRACE = 0x2000 + CLONE_VFORK = 0x4000 + CLONE_THREAD = 0x10000 + CLONE_NEWNS = 0x20000 + CLONE_SYSVSEM = 0x40000 + CLONE_SETTLS = 0x80000 + CLONE_PARENT_SETTID = 0x100000 + CLONE_CHILD_CLEARTID = 0x200000 + CLONE_DETACHED = 0x400000 + CLONE_UNTRACED = 0x800000 + CLONE_CHILD_SETTID = 0x1000000 + CLONE_NEWUTS = 0x4000000 + CLONE_NEWIPC = 0x8000000 + CLONE_NEWUSER = 0x10000000 + CLONE_NEWPID = 0x20000000 + CLONE_NEWNET = 0x40000000 + CLONE_IO = 0x80000000 +) diff --git a/pkg/abi/linux/epoll.go b/pkg/abi/linux/epoll.go new file mode 100644 index 000000000..72083b604 --- /dev/null +++ b/pkg/abi/linux/epoll.go @@ -0,0 +1,56 @@ +// Copyright 2019 The gVisor Authors. +// +// 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 +// +// http://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. + +package linux + +// EpollEvent is equivalent to struct epoll_event from epoll(2). +type EpollEvent struct { + Events uint32 + Fd int32 + Data int32 +} + +// Event masks. +const ( + EPOLLIN = 0x1 + EPOLLPRI = 0x2 + EPOLLOUT = 0x4 + EPOLLERR = 0x8 + EPOLLHUP = 0x10 + EPOLLRDNORM = 0x40 + EPOLLRDBAND = 0x80 + EPOLLWRNORM = 0x100 + EPOLLWRBAND = 0x200 + EPOLLMSG = 0x400 + EPOLLRDHUP = 0x2000 +) + +// Per-file descriptor flags. +const ( + EPOLLET = 0x80000000 + EPOLLONESHOT = 0x40000000 +) + +// Operation flags. +const ( + EPOLL_CLOEXEC = 0x80000 + EPOLL_NONBLOCK = 0x800 +) + +// Control operations. +const ( + EPOLL_CTL_ADD = 0x1 + EPOLL_CTL_DEL = 0x2 + EPOLL_CTL_MOD = 0x3 +) diff --git a/pkg/abi/linux/fcntl.go b/pkg/abi/linux/fcntl.go index 30902a8ca..f78315ebf 100644 --- a/pkg/abi/linux/fcntl.go +++ b/pkg/abi/linux/fcntl.go @@ -16,21 +16,39 @@ package linux // Commands from linux/fcntl.h. const ( - F_DUPFD = 0 - F_GETFD = 1 - F_GETFL = 3 - F_GETOWN = 9 - F_SETFD = 2 - F_SETFL = 4 - F_SETLK = 6 - F_SETLKW = 7 - F_SETOWN = 8 + F_DUPFD = 0x0 + F_GETFD = 0x1 + F_SETFD = 0x2 + F_GETFL = 0x3 + F_SETFL = 0x4 + F_SETLK = 0x6 + F_SETLKW = 0x7 + F_SETOWN = 0x8 + F_GETOWN = 0x9 F_DUPFD_CLOEXEC = 1024 + 6 F_SETPIPE_SZ = 1024 + 7 F_GETPIPE_SZ = 1024 + 8 ) +// Commands for F_SETLK. +const ( + F_RDLCK = 0x0 + F_WRLCK = 0x1 + F_UNLCK = 0x2 +) + // Flags for fcntl. const ( FD_CLOEXEC = 00000001 ) + +// Lock structure for F_SETLK. +type Flock struct { + Type int16 + Whence int16 + _ [4]byte + Start int64 + Len int64 + Pid int32 + _ [4]byte +} diff --git a/pkg/abi/linux/file.go b/pkg/abi/linux/file.go index 426003eb7..f78ffaa82 100644 --- a/pkg/abi/linux/file.go +++ b/pkg/abi/linux/file.go @@ -161,23 +161,36 @@ const ( // Stat represents struct stat. type Stat struct { - Dev uint64 - Ino uint64 - Nlink uint64 - Mode uint32 - UID uint32 - GID uint32 - X_pad0 int32 - Rdev uint64 - Size int64 - Blksize int64 - Blocks int64 - ATime Timespec - MTime Timespec - CTime Timespec - X_unused [3]int64 + Dev uint64 + Ino uint64 + Nlink uint64 + Mode uint32 + UID uint32 + GID uint32 + _ int32 + Rdev uint64 + Size int64 + Blksize int64 + Blocks int64 + ATime Timespec + MTime Timespec + CTime Timespec + _ [3]int64 } +// File types. +const ( + DT_BLK = 0x6 + DT_CHR = 0x2 + DT_DIR = 0x4 + DT_FIFO = 0x1 + DT_LNK = 0xa + DT_REG = 0x8 + DT_SOCK = 0xc + DT_UNKNOWN = 0x0 + DT_WHT = 0xe +) + // SizeOfStat is the size of a Stat struct. var SizeOfStat = binary.Size(Stat{}) diff --git a/pkg/abi/linux/ipc.go b/pkg/abi/linux/ipc.go index 2ef8d6cbb..22acd2d43 100644 --- a/pkg/abi/linux/ipc.go +++ b/pkg/abi/linux/ipc.go @@ -44,10 +44,10 @@ type IPCPerm struct { CUID uint32 CGID uint32 Mode uint16 - pad1 uint16 + _ uint16 Seq uint16 - pad2 uint16 - pad3 uint32 + _ uint16 + _ uint32 unused1 uint64 unused2 uint64 } diff --git a/pkg/abi/linux/netlink.go b/pkg/abi/linux/netlink.go index 5e718c363..e8b6544b4 100644 --- a/pkg/abi/linux/netlink.go +++ b/pkg/abi/linux/netlink.go @@ -41,10 +41,10 @@ const ( // SockAddrNetlink is struct sockaddr_nl, from uapi/linux/netlink.h. type SockAddrNetlink struct { - Family uint16 - Padding uint16 - PortID uint32 - Groups uint32 + Family uint16 + _ uint16 + PortID uint32 + Groups uint32 } // SockAddrNetlinkSize is the size of SockAddrNetlink. diff --git a/pkg/abi/linux/netlink_route.go b/pkg/abi/linux/netlink_route.go index 630dc339a..dd698e2bc 100644 --- a/pkg/abi/linux/netlink_route.go +++ b/pkg/abi/linux/netlink_route.go @@ -86,12 +86,12 @@ const ( // InterfaceInfoMessage is struct ifinfomsg, from uapi/linux/rtnetlink.h. type InterfaceInfoMessage struct { - Family uint8 - Padding uint8 - Type uint16 - Index int32 - Flags uint32 - Change uint32 + Family uint8 + _ uint8 + Type uint16 + Index int32 + Flags uint32 + Change uint32 } // Interface flags, from uapi/linux/if.h. diff --git a/pkg/abi/linux/sched.go b/pkg/abi/linux/sched.go index 193d9a242..70e820823 100644 --- a/pkg/abi/linux/sched.go +++ b/pkg/abi/linux/sched.go @@ -28,3 +28,9 @@ const ( // reverted back to SCHED_NORMAL on fork. SCHED_RESET_ON_FORK = 0x40000000 ) + +const ( + PRIO_PGRP = 0x1 + PRIO_PROCESS = 0x0 + PRIO_USER = 0x2 +) diff --git a/pkg/abi/linux/time.go b/pkg/abi/linux/time.go index e727066d7..546668bca 100644 --- a/pkg/abi/linux/time.go +++ b/pkg/abi/linux/time.go @@ -241,3 +241,9 @@ func NsecToStatxTimestamp(nsec int64) (ts StatxTimestamp) { Nsec: uint32(nsec % 1e9), } } + +// Utime represents struct utimbuf used by utimes(2). +type Utime struct { + Actime int64 + Modtime int64 +} |