1 files changed, 11 insertions, 0 deletions
diff --git a/bsd-user/bsd-mem.h b/bsd-user/bsd-mem.h
index 0f9e4a1d4b..5e885823a7 100644
--- a/bsd-user/bsd-mem.h
+++ b/bsd-user/bsd-mem.h
@@ -88,4 +88,15 @@ static inline abi_long do_bsd_mprotect(abi_long arg1, abi_long arg2,
     return get_errno(target_mprotect(arg1, arg2, arg3));
 }
 
+/* msync(2) */
+static inline abi_long do_bsd_msync(abi_long addr, abi_long len, abi_long flags)
+{
+    if (!guest_range_valid_untagged(addr, len)) {
+        /* It seems odd, but POSIX wants this to be ENOMEM */
+        return -TARGET_ENOMEM;
+    }
+
+    return get_errno(msync(g2h_untagged(addr), len, flags));
+}
+
 #endif /* BSD_USER_BSD_MEM_H */