1 files changed, 22 insertions, 1 deletions
diff --git a/bsd-user/freebsd/os-syscall.c b/bsd-user/freebsd/os-syscall.c
index fc57e32417..597a41c2f5 100644
--- a/bsd-user/freebsd/os-syscall.c
+++ b/bsd-user/freebsd/os-syscall.c
@@ -45,9 +45,30 @@ void target_set_brk(abi_ulong new_brk)
 {
 }
 
-bool is_error(abi_long ret)
+/*
+ * errno conversion.
+ */
+abi_long get_errno(abi_long ret)
 {
+    if (ret == -1) {
+        return -host_to_target_errno(errno);
+    } else {
+        return ret;
+    }
+}
 
+int host_to_target_errno(int err)
+{
+    /*
+     * All the BSDs have the property that the error numbers are uniform across
+     * all architectures for a given BSD, though they may vary between different
+     * BSDs.
+     */
+    return err;
+}
+
+bool is_error(abi_long ret)
+{
     return (abi_ulong)ret >= (abi_ulong)(-4096);
 }