diff options
Diffstat (limited to 'kube2msb/src/kube2msb/vendor/github.com/opencontainers/runc/libcontainer/system/setns_linux.go')
-rw-r--r-- | kube2msb/src/kube2msb/vendor/github.com/opencontainers/runc/libcontainer/system/setns_linux.go | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/kube2msb/src/kube2msb/vendor/github.com/opencontainers/runc/libcontainer/system/setns_linux.go b/kube2msb/src/kube2msb/vendor/github.com/opencontainers/runc/libcontainer/system/setns_linux.go new file mode 100644 index 0000000..615ff4c --- /dev/null +++ b/kube2msb/src/kube2msb/vendor/github.com/opencontainers/runc/libcontainer/system/setns_linux.go @@ -0,0 +1,40 @@ +package system + +import ( + "fmt" + "runtime" + "syscall" +) + +// Via http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=7b21fddd087678a70ad64afc0f632e0f1071b092 +// +// We need different setns values for the different platforms and arch +// We are declaring the macro here because the SETNS syscall does not exist in th stdlib +var setNsMap = map[string]uintptr{ + "linux/386": 346, + "linux/arm64": 268, + "linux/amd64": 308, + "linux/arm": 375, + "linux/ppc": 350, + "linux/ppc64": 350, + "linux/ppc64le": 350, + "linux/s390x": 339, +} + +var sysSetns = setNsMap[fmt.Sprintf("%s/%s", runtime.GOOS, runtime.GOARCH)] + +func SysSetns() uint32 { + return uint32(sysSetns) +} + +func Setns(fd uintptr, flags uintptr) error { + ns, exists := setNsMap[fmt.Sprintf("%s/%s", runtime.GOOS, runtime.GOARCH)] + if !exists { + return fmt.Errorf("unsupported platform %s/%s", runtime.GOOS, runtime.GOARCH) + } + _, _, err := syscall.RawSyscall(ns, fd, flags, 0) + if err != 0 { + return err + } + return nil +} |