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path: root/vendor/github.com/docker/docker/pkg/mount/mounter_freebsd.go
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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.go60
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)
+}