Imported Upstream version 2.3_rc1

1 files changed, 104 insertions, 0 deletions

diff --git a/src/openvpn/sig.h b/src/openvpn/sig.h
new file mode 100644
index 0000000..987efef
--- /dev/null
+++ b/src/openvpn/sig.h
@@ -0,0 +1,104 @@
+/*
+ *  OpenVPN -- An application to securely tunnel IP networks
+ *             over a single TCP/UDP port, with support for SSL/TLS-based
+ *             session authentication and key exchange,
+ *             packet encryption, packet authentication, and
+ *             packet compression.
+ *
+ *  Copyright (C) 2002-2010 OpenVPN Technologies, Inc. <sales@openvpn.net>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2
+ *  as published by the Free Software Foundation.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program (see the file COPYING included with this
+ *  distribution); if not, write to the Free Software Foundation, Inc.,
+ *  59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#ifndef SIG_H
+#define SIG_H
+
+#include "status.h"
+#include "win32.h"
+
+/*
+ * Signal information, including signal code
+ * and descriptive text.
+ */
+struct signal_info
+{
+  volatile int signal_received;
+  volatile bool hard;
+  const char *signal_text;
+};
+
+#define IS_SIG(c) ((c)->sig->signal_received)
+
+struct context;
+
+extern struct signal_info siginfo_static;
+
+int parse_signal (const char *signame);
+const char *signal_name (const int sig, const bool upper);
+const char *signal_description (const int signum, const char *sigtext);
+void throw_signal (const int signum);
+void throw_signal_soft (const int signum, const char *signal_text);
+
+void pre_init_signal_catch (void);
+void post_init_signal_catch (void);
+void restore_signal_state (void);
+
+void print_signal (const struct signal_info *si, const char *title, int msglevel);
+void print_status (const struct context *c, struct status_output *so);
+
+void remap_signal (struct context *c);
+
+void signal_restart_status (const struct signal_info *si);
+
+bool process_signal (struct context *c);
+
+void register_signal (struct context *c, int sig, const char *text);
+
+#ifdef ENABLE_OCC
+void process_explicit_exit_notification_timer_wakeup (struct context *c);
+#endif
+
+#ifdef WIN32
+
+static inline void
+get_signal (volatile int *sig)
+{
+  *sig = win32_signal_get (&win32_signal);
+}
+
+static inline void
+halt_non_edge_triggered_signals (void)
+{
+  win32_signal_close (&win32_signal);
+}
+
+#else
+
+static inline void
+get_signal (volatile int *sig)
+{
+  const int i = siginfo_static.signal_received;
+  if (i)
+    *sig = i;
+}
+
+static inline void
+halt_non_edge_triggered_signals (void)
+{
+}
+
+#endif
+
+#endif