[PATCH] aio_notify: fix _POSIX_REALTIME_SIGNALS check

[Pino Toscano <toscano dot pino at tiscali dot it>]

Hi,

in the pthread implementation of aio_notify, to check that realtime 
signals are supported there is the wrong check
"#if _POSIX_REALTIME_SIGNALS", which matches also -1 (i.e. rt signals 
not supported at all).

The attached patch fixes this case.

Thanks,
-- 
Pino Toscano

aio_notify: fix _POSIX_REALTIME_SIGNALS check

Check that _POSIX_REALTIME_SIGNALS is greater than zero to assume realtime
signals are supported, instead of any non-zero value (including -1).

2012-10-29  Pino Toscano  <toscano.pino@tiscali.it>

	* sysdeps/pthread/aio_notify.c (__aio_notify_only)
	[_POSIX_REALTIME_SIGNALS]: Change condition to
	[_POSIX_REALTIME_SIGNALS > 0].
--- a/sysdeps/pthread/aio_notify.c
+++ b/sysdeps/pthread/aio_notify.c
@@ -95,7 +95,7 @@ __aio_notify_only (struct sigevent *sige
   else if (sigev->sigev_notify == SIGEV_SIGNAL)
     {
       /* We have to send a signal.  */
-#if _POSIX_REALTIME_SIGNALS
+#if _POSIX_REALTIME_SIGNALS > 0
       /* Note that the standard gives us the option of using a plain
 	 non-queuing signal here when SA_SIGINFO is not set for the signal.  */
 # ifdef BROKEN_THREAD_SIGNALS

Attachment: signature.asc
Description: This is a digitally signed message part.