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-rw-r--r--pkg/abi/linux/BUILD6
-rw-r--r--pkg/abi/linux/ashmem.go29
-rw-r--r--pkg/abi/linux/binder.go20
-rw-r--r--pkg/abi/linux/clone.go41
-rw-r--r--pkg/abi/linux/epoll.go56
-rw-r--r--pkg/abi/linux/fcntl.go38
-rw-r--r--pkg/abi/linux/file.go117
-rw-r--r--pkg/abi/linux/fs.go10
-rw-r--r--pkg/abi/linux/ioctl.go25
-rw-r--r--pkg/abi/linux/ipc.go6
-rw-r--r--pkg/abi/linux/linux.go2
-rw-r--r--pkg/abi/linux/netlink.go8
-rw-r--r--pkg/abi/linux/netlink_route.go12
-rw-r--r--pkg/abi/linux/sched.go6
-rw-r--r--pkg/abi/linux/time.go6
15 files changed, 240 insertions, 142 deletions
diff --git a/pkg/abi/linux/BUILD b/pkg/abi/linux/BUILD
index 6960add0c..2061b38c0 100644
--- a/pkg/abi/linux/BUILD
+++ b/pkg/abi/linux/BUILD
@@ -1,4 +1,4 @@
-# Package linux contains the constants and types needed to inferface with a
+# Package linux contains the constants and types needed to interface with a
# Linux kernel. It should be used instead of syscall or golang.org/x/sys/unix
# when the host OS may not be Linux.
@@ -10,13 +10,13 @@ go_library(
name = "linux",
srcs = [
"aio.go",
- "ashmem.go",
"audit.go",
- "binder.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/ashmem.go b/pkg/abi/linux/ashmem.go
deleted file mode 100644
index 2a722abe0..000000000
--- a/pkg/abi/linux/ashmem.go
+++ /dev/null
@@ -1,29 +0,0 @@
-// 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
-
-// Constants used by ashmem in pin-related ioctls.
-const (
- AshmemNotPurged = 0
- AshmemWasPurged = 1
- AshmemIsUnpinned = 0
- AshmemIsPinned = 1
-)
-
-// AshmemPin structure is used for pin-related ioctls.
-type AshmemPin struct {
- Offset uint32
- Len uint32
-}
diff --git a/pkg/abi/linux/binder.go b/pkg/abi/linux/binder.go
deleted file mode 100644
index 63b08324a..000000000
--- a/pkg/abi/linux/binder.go
+++ /dev/null
@@ -1,20 +0,0 @@
-// 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
-
-// BinderVersion structure is used for BINDER_VERSION ioctl.
-type BinderVersion struct {
- ProtocolVersion int32
-}
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 b30350193..f78315ebf 100644
--- a/pkg/abi/linux/fcntl.go
+++ b/pkg/abi/linux/fcntl.go
@@ -14,23 +14,41 @@
package linux
-// Comands from linux/fcntl.h.
+// 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..4b0ea33dc 100644
--- a/pkg/abi/linux/file.go
+++ b/pkg/abi/linux/file.go
@@ -24,24 +24,27 @@ import (
// Constants for open(2).
const (
- O_ACCMODE = 00000003
- O_RDONLY = 00000000
- O_WRONLY = 00000001
- O_RDWR = 00000002
- O_CREAT = 00000100
- O_EXCL = 00000200
- O_NOCTTY = 00000400
- O_TRUNC = 00001000
- O_APPEND = 00002000
- O_NONBLOCK = 00004000
- O_ASYNC = 00020000
- O_DIRECT = 00040000
- O_LARGEFILE = 00100000
- O_DIRECTORY = 00200000
- O_NOFOLLOW = 00400000
- O_CLOEXEC = 02000000
- O_SYNC = 04010000
+ O_ACCMODE = 000000003
+ O_RDONLY = 000000000
+ O_WRONLY = 000000001
+ O_RDWR = 000000002
+ O_CREAT = 000000100
+ O_EXCL = 000000200
+ O_NOCTTY = 000000400
+ O_TRUNC = 000001000
+ O_APPEND = 000002000
+ O_NONBLOCK = 000004000
+ O_DSYNC = 000010000
+ O_ASYNC = 000020000
+ O_DIRECT = 000040000
+ O_LARGEFILE = 000100000
+ O_DIRECTORY = 000200000
+ O_NOFOLLOW = 000400000
+ O_NOATIME = 001000000
+ O_CLOEXEC = 002000000
+ O_SYNC = 004000000 // __O_SYNC in Linux
O_PATH = 010000000
+ O_TMPFILE = 020000000 // __O_TMPFILE in Linux
)
// Constants for fstatat(2).
@@ -123,14 +126,23 @@ const (
// Values for mode_t.
const (
- FileTypeMask = 0170000
- ModeSocket = 0140000
- ModeSymlink = 0120000
- ModeRegular = 0100000
- ModeBlockDevice = 060000
- ModeDirectory = 040000
- ModeCharacterDevice = 020000
- ModeNamedPipe = 010000
+ S_IFMT = 0170000
+ S_IFSOCK = 0140000
+ S_IFLNK = 0120000
+ S_IFREG = 0100000
+ S_IFBLK = 060000
+ S_IFDIR = 040000
+ S_IFCHR = 020000
+ S_IFIFO = 010000
+
+ FileTypeMask = S_IFMT
+ ModeSocket = S_IFSOCK
+ ModeSymlink = S_IFLNK
+ ModeRegular = S_IFREG
+ ModeBlockDevice = S_IFBLK
+ ModeDirectory = S_IFDIR
+ ModeCharacterDevice = S_IFCHR
+ ModeNamedPipe = S_IFIFO
ModeSetUID = 04000
ModeSetGID = 02000
@@ -151,6 +163,19 @@ const (
PermissionsMask = 0777
)
+// Values for linux_dirent64.d_type.
+const (
+ DT_UNKNOWN = 0
+ DT_FIFO = 1
+ DT_CHR = 2
+ DT_DIR = 4
+ DT_BLK = 6
+ DT_REG = 8
+ DT_LNK = 10
+ DT_SOCK = 12
+ DT_WHT = 14
+)
+
// Values for preadv2/pwritev2.
const (
RWF_HIPRI = 0x00000001
@@ -161,21 +186,21 @@ 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
}
// SizeOfStat is the size of a Stat struct.
@@ -208,6 +233,17 @@ const (
STATX__RESERVED = 0x80000000
)
+// Bitmasks for Statx.Attributes and Statx.AttributesMask, from
+// include/uapi/linux/stat.h.
+const (
+ STATX_ATTR_COMPRESSED = 0x00000004
+ STATX_ATTR_IMMUTABLE = 0x00000010
+ STATX_ATTR_APPEND = 0x00000020
+ STATX_ATTR_NODUMP = 0x00000040
+ STATX_ATTR_ENCRYPTED = 0x00000800
+ STATX_ATTR_AUTOMOUNT = 0x00001000
+)
+
// Statx represents struct statx.
type Statx struct {
Mask uint32
@@ -217,7 +253,6 @@ type Statx struct {
UID uint32
GID uint32
Mode uint16
- _ uint16
Ino uint64
Size uint64
Blocks uint64
diff --git a/pkg/abi/linux/fs.go b/pkg/abi/linux/fs.go
index c82ab9b5b..b416e3472 100644
--- a/pkg/abi/linux/fs.go
+++ b/pkg/abi/linux/fs.go
@@ -20,6 +20,7 @@ package linux
const (
ANON_INODE_FS_MAGIC = 0x09041934
DEVPTS_SUPER_MAGIC = 0x00001cd1
+ EXT_SUPER_MAGIC = 0xef53
OVERLAYFS_SUPER_MAGIC = 0x794c7630
PIPEFS_MAGIC = 0x50495045
PROC_SUPER_MAGIC = 0x9fa0
@@ -76,6 +77,15 @@ type Statfs struct {
Spare [4]uint64
}
+// Whence argument to lseek(2), from include/uapi/linux/fs.h.
+const (
+ SEEK_SET = 0
+ SEEK_CUR = 1
+ SEEK_END = 2
+ SEEK_DATA = 3
+ SEEK_HOLE = 4
+)
+
// Sync_file_range flags, from include/uapi/linux/fs.h
const (
SYNC_FILE_RANGE_WAIT_BEFORE = 1
diff --git a/pkg/abi/linux/ioctl.go b/pkg/abi/linux/ioctl.go
index 04bb767dc..0e18db9ef 100644
--- a/pkg/abi/linux/ioctl.go
+++ b/pkg/abi/linux/ioctl.go
@@ -72,28 +72,3 @@ const (
SIOCGMIIPHY = 0x8947
SIOCGMIIREG = 0x8948
)
-
-// ioctl(2) requests provided by uapi/linux/android/binder.h
-const (
- BinderWriteReadIoctl = 0xc0306201
- BinderSetIdleTimeoutIoctl = 0x40086203
- BinderSetMaxThreadsIoctl = 0x40046205
- BinderSetIdlePriorityIoctl = 0x40046206
- BinderSetContextMgrIoctl = 0x40046207
- BinderThreadExitIoctl = 0x40046208
- BinderVersionIoctl = 0xc0046209
-)
-
-// ioctl(2) requests provided by drivers/staging/android/uapi/ashmem.h
-const (
- AshmemSetNameIoctl = 0x41007701
- AshmemGetNameIoctl = 0x81007702
- AshmemSetSizeIoctl = 0x40087703
- AshmemGetSizeIoctl = 0x00007704
- AshmemSetProtMaskIoctl = 0x40087705
- AshmemGetProtMaskIoctl = 0x00007706
- AshmemPinIoctl = 0x40087707
- AshmemUnpinIoctl = 0x40087708
- AshmemGetPinStatusIoctl = 0x00007709
- AshmemPurgeAllCachesIoctl = 0x0000770a
-)
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/linux.go b/pkg/abi/linux/linux.go
index 8a8f831cd..281acdbde 100644
--- a/pkg/abi/linux/linux.go
+++ b/pkg/abi/linux/linux.go
@@ -12,7 +12,7 @@
// See the License for the specific language governing permissions and
// limitations under the License.
-// Package linux contains the constants and types needed to inferface with a Linux kernel.
+// Package linux contains the constants and types needed to interface with a Linux kernel.
package linux
// NumSoftIRQ is the number of software IRQs, exposed via /proc/stat.
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
+}
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-10 07:06:02 +0000