1 files changed, 19 insertions, 1 deletions
diff --git a/index.go b/index.go
index 3ebb605..bc11025 100644
--- a/index.go
+++ b/index.go
@@ -1,7 +1,6 @@
 package git
 
 /*
-#cgo pkg-config: libgit2
 #include <git2.h>
 #include <git2/errors.h>
 */
@@ -38,6 +37,9 @@ func (v *Index) AddByPath(path string) error {
 	cstr := C.CString(path)
 	defer C.free(unsafe.Pointer(cstr))
 
+	runtime.LockOSThread()
+	defer runtime.UnlockOSThread()
+
 	ret := C.git_index_add_bypath(v.ptr, cstr)
 	if ret < 0 {
 		return LastError()
@@ -48,6 +50,10 @@ func (v *Index) AddByPath(path string) error {
 
 func (v *Index) WriteTree() (*Oid, error) {
 	oid := new(Oid)
+
+	runtime.LockOSThread()
+	defer runtime.UnlockOSThread()
+
 	ret := C.git_index_write_tree(oid.toC(), v.ptr)
 	if ret < 0 {
 		return nil, LastError()
@@ -56,6 +62,18 @@ func (v *Index) WriteTree() (*Oid, error) {
 	return oid, nil
 }
 
+func (v *Index) Write() (error) {
+	runtime.LockOSThread()
+	defer runtime.UnlockOSThread()
+
+	ret := C.git_index_write(v.ptr)
+	if ret < 0 {
+		return LastError()
+	}
+
+	return nil
+}
+
 func (v *Index) Free() {
 	runtime.SetFinalizer(v, nil)
 	C.git_index_free(v.ptr)