2008-08-12 Roland McGrath <roland@frob.com>

	* hurd/hurd/signal.h (HURD_MSGPORT_RPC): Avoid -Wparenthesis triggers,
	in case used outside of libc.
	Reported by Samuel Thibault <samuel.thibault@ens-lyon.org>

diff --git a/hurd/hurd/signal.h b/hurd/hurd/signal.h
index 39fa0f8..d4bcaf2 100644 (file)
--- a/hurd/hurd/signal.h
+++ b/hurd/hurd/signal.h
@@ -1,5 +1,6 @@
 /* Implementing POSIX.1 signals under the Hurd.
-   Copyright (C) 1993,94,95,96,98,99,2002,2007 Free Software Foundation, Inc.
+   Copyright (C) 1993,94,95,96,98,99,2002,2007,2008
+       Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -342,10 +343,12 @@ extern mach_msg_timeout_t _hurd_interrupted_rpc_timeout;
     do                                                                       \
       {                                                                              \
        /* Get the message port.  */                                          \
-       if (__err = (fetch_msgport_expr))                                     \
+       __err = (fetch_msgport_expr);                                         \
+       if (__err)                                                            \
          break;                                                              \
        /* Get the reference port.  */                                        \
-       if (__err = (fetch_refport_expr))                                     \
+       _err = (fetch_refport_expr);                                          \
+       if (__err)                                                            \
          {                                                                   \
            /* Couldn't get it; deallocate MSGPORT and fail.  */              \
            __mach_port_deallocate (__mach_task_self (), msgport);            \