1 files changed, 161 insertions, 0 deletions
diff --git a/src/lib/arch/XArch.h b/src/lib/arch/XArch.h
new file mode 100644
index 0000000..457c620
--- /dev/null
+++ b/src/lib/arch/XArch.h
@@ -0,0 +1,161 @@
+/*
+ * barrier -- mouse and keyboard sharing utility
+ * Copyright (C) 2012-2016 Symless Ltd.
+ * Copyright (C) 2002 Chris Schoeneman
+ * 
+ * This package is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * found in the file LICENSE that should have accompanied this file.
+ * 
+ * This package 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.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include "common/common.h"
+#include "common/stdstring.h"
+#include "common/stdexcept.h"
+
+//! Generic thread exception
+/*!
+Exceptions derived from this class are used by the multithreading
+library to perform stack unwinding when a thread terminates.  These
+exceptions must always be rethrown by clients when caught.
+*/
+class XThread { };
+
+//! Thread exception to cancel
+/*!
+Thrown to cancel a thread.  Clients must not throw this type, but
+must rethrow it if caught (by XThreadCancel, XThread, or ...).
+*/
+class XThreadCancel : public XThread { };
+
+/*!
+\def RETHROW_XTHREAD
+Convenience macro to rethrow an XThread exception but ignore other
+exceptions.  Put this in your catch (...) handler after necessary
+cleanup but before leaving or returning from the handler.
+*/
+#define RETHROW_XTHREAD \
+    try { throw; } catch (XThread&) { throw; } catch (...) { }
+
+//! Lazy error message string evaluation
+/*!
+This class encapsulates platform dependent error string lookup.
+Platforms subclass this type, taking an appropriate error code
+type in the c'tor and overriding eval() to return the error
+string for that error code.
+*/
+class XArchEval {
+public:
+    XArchEval() { }
+    virtual ~XArchEval() _NOEXCEPT { }
+    
+    virtual std::string    eval() const = 0;
+};
+
+//! Generic exception architecture dependent library
+class XArch : public std::runtime_error {
+public:
+    XArch(XArchEval* adopted) : std::runtime_error(adopted->eval()) { delete adopted; }
+    XArch(const std::string& msg) : std::runtime_error(msg) { }
+    virtual ~XArch() _NOEXCEPT { }
+};
+
+// Macro to declare XArch derived types
+#define XARCH_SUBCLASS(name_, super_)                                    \
+class name_ : public super_ {                                            \
+public:                                                                    \
+    name_(XArchEval* adoptedEvaluator) : super_(adoptedEvaluator) { }    \
+    name_(const std::string& msg) : super_(msg) { }                        \
+}
+
+//! Generic network exception
+/*!
+Exceptions derived from this class are used by the networking
+library to indicate various errors.
+*/
+XARCH_SUBCLASS(XArchNetwork, XArch);
+
+//! Operation was interrupted
+XARCH_SUBCLASS(XArchNetworkInterrupted, XArchNetwork);
+
+//! Network insufficient permission
+XARCH_SUBCLASS(XArchNetworkAccess, XArchNetwork);
+
+//! Network insufficient resources
+XARCH_SUBCLASS(XArchNetworkResource, XArchNetwork);
+
+//! No support for requested network resource/service
+XARCH_SUBCLASS(XArchNetworkSupport, XArchNetwork);
+
+//! Network I/O error
+XARCH_SUBCLASS(XArchNetworkIO, XArchNetwork);
+
+//! Network address is unavailable or not local
+XARCH_SUBCLASS(XArchNetworkNoAddress, XArchNetwork);
+
+//! Network address in use
+XARCH_SUBCLASS(XArchNetworkAddressInUse, XArchNetwork);
+
+//! No route to address
+XARCH_SUBCLASS(XArchNetworkNoRoute, XArchNetwork);
+
+//! Socket not connected
+XARCH_SUBCLASS(XArchNetworkNotConnected, XArchNetwork);
+
+//! Remote read end of socket has closed
+XARCH_SUBCLASS(XArchNetworkShutdown, XArchNetwork);
+
+//! Remote end of socket has disconnected
+XARCH_SUBCLASS(XArchNetworkDisconnected, XArchNetwork);
+
+//! Remote end of socket refused connection
+XARCH_SUBCLASS(XArchNetworkConnectionRefused, XArchNetwork);
+
+//! Remote end of socket is not responding
+XARCH_SUBCLASS(XArchNetworkTimedOut, XArchNetwork);
+
+//! Generic network name lookup erros
+XARCH_SUBCLASS(XArchNetworkName, XArchNetwork);
+
+//! The named host is unknown
+XARCH_SUBCLASS(XArchNetworkNameUnknown, XArchNetworkName);
+
+//! The named host is known but has no address
+XARCH_SUBCLASS(XArchNetworkNameNoAddress, XArchNetworkName);
+
+//! Non-recoverable name server error
+XARCH_SUBCLASS(XArchNetworkNameFailure, XArchNetworkName);
+
+//! Temporary name server error
+XARCH_SUBCLASS(XArchNetworkNameUnavailable, XArchNetworkName);
+
+//! The named host is known but no supported address
+XARCH_SUBCLASS(XArchNetworkNameUnsupported, XArchNetworkName);
+
+//! Generic daemon exception
+/*!
+Exceptions derived from this class are used by the daemon
+library to indicate various errors.
+*/
+XARCH_SUBCLASS(XArchDaemon, XArch);
+
+//! Could not daemonize
+XARCH_SUBCLASS(XArchDaemonFailed, XArchDaemon);
+
+//! Could not install daemon
+XARCH_SUBCLASS(XArchDaemonInstallFailed, XArchDaemon);
+
+//! Could not uninstall daemon
+XARCH_SUBCLASS(XArchDaemonUninstallFailed, XArchDaemon);
+
+//! Attempted to uninstall a daemon that was not installed
+XARCH_SUBCLASS(XArchDaemonUninstallNotInstalled, XArchDaemonUninstallFailed);