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-rw-r--r--pkg/abi/linux/BUILD2
-rw-r--r--pkg/abi/linux/clone.go41
-rw-r--r--pkg/abi/linux/epoll.go56
-rw-r--r--pkg/abi/linux/fcntl.go36
-rw-r--r--pkg/abi/linux/file.go43
-rw-r--r--pkg/abi/linux/ipc.go6
-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
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
+}