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Diffstat (limited to 'internal/syscallcompat/sys_darwin.go')
-rw-r--r--internal/syscallcompat/sys_darwin.go16
1 files changed, 16 insertions, 0 deletions
diff --git a/internal/syscallcompat/sys_darwin.go b/internal/syscallcompat/sys_darwin.go
index e77cd98..5bc5fba 100644
--- a/internal/syscallcompat/sys_darwin.go
+++ b/internal/syscallcompat/sys_darwin.go
@@ -131,3 +131,19 @@ func Dup3(oldfd int, newfd int, flags int) (err error) {
}
return syscall.Dup2(oldfd, newfd)
}
+
+// Poor man's Fchownat.
+func Fchownat(dirfd int, path string, uid int, gid int, flags int) (err error) {
+ cwd, err := syscall.Open(".", syscall.O_RDONLY, 0)
+ if err != nil {
+ return err
+ }
+ chdirMutex.Lock()
+ defer chdirMutex.Unlock()
+ err = syscall.Fchdir(dirfd)
+ if err != nil {
+ return err
+ }
+ defer syscall.Fchdir(cwd)
+ return syscall.Lchown(path, uid, gid)
+}