diff options
Diffstat (limited to 'vendor/github.com/opencontainers/runc/libcontainer/configs/namespaces_syscall.go')
-rw-r--r-- | vendor/github.com/opencontainers/runc/libcontainer/configs/namespaces_syscall.go | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/vendor/github.com/opencontainers/runc/libcontainer/configs/namespaces_syscall.go b/vendor/github.com/opencontainers/runc/libcontainer/configs/namespaces_syscall.go new file mode 100644 index 000000000..4ce6813d2 --- /dev/null +++ b/vendor/github.com/opencontainers/runc/libcontainer/configs/namespaces_syscall.go @@ -0,0 +1,31 @@ +// +build linux + +package configs + +import "golang.org/x/sys/unix" + +func (n *Namespace) Syscall() int { + return namespaceInfo[n.Type] +} + +var namespaceInfo = map[NamespaceType]int{ + NEWNET: unix.CLONE_NEWNET, + NEWNS: unix.CLONE_NEWNS, + NEWUSER: unix.CLONE_NEWUSER, + NEWIPC: unix.CLONE_NEWIPC, + NEWUTS: unix.CLONE_NEWUTS, + NEWPID: unix.CLONE_NEWPID, +} + +// CloneFlags parses the container's Namespaces options to set the correct +// flags on clone, unshare. This function returns flags only for new namespaces. +func (n *Namespaces) CloneFlags() uintptr { + var flag int + for _, v := range *n { + if v.Path != "" { + continue + } + flag |= namespaceInfo[v.Type] + } + return uintptr(flag) +} |