ctrl_c.c: Improve handling of ctrl-c on LynxOS and Windows.

2008-04-08  Eric Botcazou  <ebotcazou@adacore.com>

	* ctrl_c.c: Improve handling of ctrl-c on LynxOS and Windows.
	Minor reformatting.

From-SVN: r134062
This commit is contained in:
Eric Botcazou 2008-04-08 08:57:27 +02:00 committed by Arnaud Charlet
parent 189e353b30
commit 2fe53bf5a4
1 changed files with 14 additions and 3 deletions

View File

@ -6,7 +6,7 @@
* *
* C Implementation File *
* *
* Copyright (C) 2002-2003, Free Software Foundation, Inc. *
* Copyright (C) 2002-2008, Free Software Foundation, Inc. *
* *
* GNAT is free software; you can redistribute it and/or modify it under *
* terms of the GNU General Public License as published by the Free Soft- *
@ -50,7 +50,8 @@ void __gnat_uninstall_int_handler (void);
/* POSIX implementation */
#if (defined (_AIX) || defined (unix)) && !defined (__vxworks)
#if (defined (__unix__) || defined (_AIX) || defined (__APPLE__)) \
&& !defined (__vxworks)
#include <signal.h>
@ -75,7 +76,12 @@ __gnat_install_int_handler (void (*proc) (void))
if (sigint_intercepted == 0)
{
act.sa_handler = __gnat_int_handler;
#if defined (__Lynx__)
/* LynxOS does not support SA_RESTART. */
act.sa_flags = 0;
#else
act.sa_flags = SA_RESTART;
#endif
sigemptyset (&act.sa_mask);
sigaction (SIGINT, &act, &original_act);
}
@ -112,7 +118,10 @@ __gnat_int_handler (DWORD dwCtrlType)
case CTRL_C_EVENT:
case CTRL_BREAK_EVENT:
if (sigint_intercepted != 0)
sigint_intercepted ();
{
sigint_intercepted ();
return TRUE;
}
break;
case CTRL_CLOSE_EVENT:
@ -120,6 +129,8 @@ __gnat_int_handler (DWORD dwCtrlType)
case CTRL_SHUTDOWN_EVENT:
break;
}
return FALSE;
}
void