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POSIX pause()
- From: Jonathan Larmour <jifl at eCosCentric dot com>
- To: eCos Patches List <ecos-patches at ecos dot sourceware dot org>
- Date: Tue, 18 Jul 2006 17:00:07 +0100
- Subject: POSIX pause()
This is an old chestnut discussed with Gary many moons ago, that I was
waiting for some confirmation before checking in. I guess I'll just check
it in now!
Jifl
Index: ChangeLog
===================================================================
RCS file: /cvs/ecos/ecos/packages/compat/posix/current/ChangeLog,v
retrieving revision 1.51
diff -u -5 -p -r1.51 ChangeLog
--- ChangeLog 16 Jun 2006 18:21:16 -0000 1.51
+++ ChangeLog 18 Jul 2006 15:58:35 -0000
@@ -1,5 +1,10 @@
+2006-07-18 Jonathan Larmour <jifl@eCosCentric.com>
+
+ * src/signal.cxx (pause): Although already POSIX compliant, if we wait
+ for all signals, behaviour is more Linux-like.
+
2006-06-13 Dan Jakubiec <dan.jakubiec@systech.com>
* src/time.cxx: (nanosleep): Fixed to return EINTR when it is
interrupted by a signal. This in turn fixed sleep() to return the
number of unelapsed seconds when interrupted by a signal.
Index: src/signal.cxx
===================================================================
RCS file: /cvs/ecos/ecos/packages/compat/posix/current/src/signal.cxx,v
retrieving revision 1.18
diff -u -5 -p -r1.18 signal.cxx
--- src/signal.cxx 4 Oct 2004 11:49:19 -0000 1.18
+++ src/signal.cxx 18 Jul 2006 15:58:37 -0000
@@ -8,10 +8,11 @@
//####ECOSGPLCOPYRIGHTBEGIN####
// -------------------------------------------
// This file is part of eCos, the Embedded Configurable Operating System.
// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
// Copyright (C) 2002 Nick Garnett
+// Copyright (C) 2004 eCosCentric Ltd.
//
// eCos is free software; you can redistribute it and/or modify it under
// the terms of the GNU General Public License as published by the Free
// Software Foundation; either version 2 or (at your option) any later
version.
//
@@ -1066,16 +1067,13 @@ externC int pause( void )
signal_mutex.lock();
// Check for any pending signals that can be delivered and
// if there are none, wait for a signal to be generated
- if( !cyg_deliver_signals() )
+ while( !cyg_deliver_signals() )
signal_sigwait.wait();
- // Now check again for some signals to deliver
- cyg_deliver_signals();
-
signal_mutex.unlock();
SIGNAL_RETURN(EINTR);
}
--
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