syscallcompat: Drop Fchownat emulation on macOS.

1 files changed, 0 insertions, 20 deletions

diff --git a/internal/syscallcompat/emulate.go b/internal/syscallcompat/emulate.go
index 8a538fb..dc8cf6d 100644
--- a/internal/syscallcompat/emulate.go
+++ b/internal/syscallcompat/emulate.go
@@ -30,26 +30,6 @@ func emulateMknodat(dirfd int, path string, mode uint32, dev int) error {
 	return syscall.Mknod(path, mode, dev)
 }
 
-// emulateFchownat emulates the syscall for platforms that don't have it
-// in the kernel (darwin).
-func emulateFchownat(dirfd int, path string, uid int, gid int, flags int) (err error) {
-	if !filepath.IsAbs(path) {
-		chdirMutex.Lock()
-		defer chdirMutex.Unlock()
-		cwd, err := syscall.Open(".", syscall.O_RDONLY, 0)
-		if err != nil {
-			return err
-		}
-		defer syscall.Close(cwd)
-		err = syscall.Fchdir(dirfd)
-		if err != nil {
-			return err
-		}
-		defer syscall.Fchdir(cwd)
-	}
-	return syscall.Lchown(path, uid, gid)
-}
-
 // emulateSymlinkat emulates the syscall for platforms that don't have it
 // in the kernel (darwin).
 func emulateSymlinkat(oldpath string, newdirfd int, newpath string) (err error) {