diff options
Diffstat (limited to 'vendor/github.com/docker/docker/pkg/mount/mounter_freebsd.go')
-rw-r--r-- | vendor/github.com/docker/docker/pkg/mount/mounter_freebsd.go | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/vendor/github.com/docker/docker/pkg/mount/mounter_freebsd.go b/vendor/github.com/docker/docker/pkg/mount/mounter_freebsd.go new file mode 100644 index 000000000..814896cc9 --- /dev/null +++ b/vendor/github.com/docker/docker/pkg/mount/mounter_freebsd.go @@ -0,0 +1,60 @@ +package mount + +/* +#include <errno.h> +#include <stdlib.h> +#include <string.h> +#include <sys/_iovec.h> +#include <sys/mount.h> +#include <sys/param.h> +*/ +import "C" + +import ( + "fmt" + "strings" + "unsafe" + + "golang.org/x/sys/unix" +) + +func allocateIOVecs(options []string) []C.struct_iovec { + out := make([]C.struct_iovec, len(options)) + for i, option := range options { + out[i].iov_base = unsafe.Pointer(C.CString(option)) + out[i].iov_len = C.size_t(len(option) + 1) + } + return out +} + +func mount(device, target, mType string, flag uintptr, data string) error { + isNullFS := false + + xs := strings.Split(data, ",") + for _, x := range xs { + if x == "bind" { + isNullFS = true + } + } + + options := []string{"fspath", target} + if isNullFS { + options = append(options, "fstype", "nullfs", "target", device) + } else { + options = append(options, "fstype", mType, "from", device) + } + rawOptions := allocateIOVecs(options) + for _, rawOption := range rawOptions { + defer C.free(rawOption.iov_base) + } + + if errno := C.nmount(&rawOptions[0], C.uint(len(options)), C.int(flag)); errno != 0 { + reason := C.GoString(C.strerror(*C.__error())) + return fmt.Errorf("Failed to call nmount: %s", reason) + } + return nil +} + +func unmount(target string, flag int) error { + return unix.Unmount(target, flag) +} |