diff options
Diffstat (limited to 'gcc-4.4.0/gcc/ada/ctrl_c.c')
| -rw-r--r-- | gcc-4.4.0/gcc/ada/ctrl_c.c | 166 |
1 files changed, 0 insertions, 166 deletions
diff --git a/gcc-4.4.0/gcc/ada/ctrl_c.c b/gcc-4.4.0/gcc/ada/ctrl_c.c deleted file mode 100644 index a860b767c..000000000 --- a/gcc-4.4.0/gcc/ada/ctrl_c.c +++ /dev/null @@ -1,166 +0,0 @@ -/**************************************************************************** - * * - * GNAT COMPILER COMPONENTS * - * * - * C T R L _ C * - * * - * C Implementation File * - * * - * Copyright (C) 2002-2009, 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- * - * ware Foundation; either version 3, or (at your option) any later ver- * - * sion. GNAT is distributed in the hope that it will be useful, but WITH- * - * OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY * - * or FITNESS FOR A PARTICULAR PURPOSE. * - * * - * As a special exception under Section 7 of GPL version 3, you are granted * - * additional permissions described in the GCC Runtime Library Exception, * - * version 3.1, as published by the Free Software Foundation. * - * * - * You should have received a copy of the GNU General Public License and * - * a copy of the GCC Runtime Library Exception along with this program; * - * see the files COPYING3 and COPYING.RUNTIME respectively. If not, see * - * <http://www.gnu.org/licenses/>. * - * * - * GNAT was originally developed by the GNAT team at New York University. * - * Extensive contributions were provided by Ada Core Technologies Inc. * - * * - ****************************************************************************/ - -#ifdef IN_RTS -#include "tconfig.h" -#include "tsystem.h" -#include <sys/stat.h> -#else -#include "config.h" -#include "system.h" -#endif - -/* Services to intercept Ctrl-C */ - -/* __gnat_install_int_handler will install the specified handler. - If called for the first time, it will also save the original handler */ -void __gnat_install_int_handler (void (*) (void)); - -/* __gnat_uninstall_int_handler will reinstall the original handler */ -void __gnat_uninstall_int_handler (void); - -/* POSIX implementation */ - -#if (defined (__unix__) || defined (_AIX) || defined (__APPLE__)) \ - && !defined (__vxworks) - -#include <signal.h> - -void (*sigint_intercepted) (void) = 0; - -struct sigaction original_act; - -static void -__gnat_int_handler (int sig __attribute__ ((unused))) -{ - if (sigint_intercepted != 0) - sigint_intercepted (); -} - -/* Install handler and save original handler. */ - -void -__gnat_install_int_handler (void (*proc) (void)) -{ - struct sigaction act; - - 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); - } - - sigint_intercepted = proc; -} - -/* Restore original handler */ - -void -__gnat_uninstall_int_handler (void) -{ - if (sigint_intercepted != 0) - { - sigaction (SIGINT, &original_act, 0); - sigint_intercepted = 0; - } -} - -/* Windows implementation */ - -#elif defined (__MINGW32__) - -#include "mingw32.h" -#include <windows.h> - -void (*sigint_intercepted) (void) = NULL; - -static BOOL WINAPI -__gnat_int_handler (DWORD dwCtrlType) -{ - switch (dwCtrlType) - { - case CTRL_C_EVENT: - case CTRL_BREAK_EVENT: - if (sigint_intercepted != 0) - { - sigint_intercepted (); - return TRUE; - } - break; - - case CTRL_CLOSE_EVENT: - case CTRL_LOGOFF_EVENT: - case CTRL_SHUTDOWN_EVENT: - break; - } - - return FALSE; -} - -void -__gnat_install_int_handler (void (*proc) (void)) -{ - if (sigint_intercepted == NULL) - SetConsoleCtrlHandler (__gnat_int_handler, TRUE); - - sigint_intercepted = proc; -} - -void -__gnat_uninstall_int_handler (void) -{ - if (sigint_intercepted != NULL) - SetConsoleCtrlHandler (__gnat_int_handler, FALSE); - - sigint_intercepted = NULL; -} - -/* Default implementation: do nothing */ - -#else - -void -__gnat_install_int_handler (void (*proc) (void) __attribute__ ((unused))) -{ -} - -void -__gnat_uninstall_int_handler (void) -{ -} -#endif |