/deps/libev/ev++.h - Annotate - CSE2410 Fall 2014 Bounce - CS Projects

The data contained in this repository can be downloaded to your computer using one of several clients.
Please see the documentation of your version control software client for more information.

Please select the desired protocol below to get the URL.

This URL has Read-Only access.

Statistics

main_repo / deps / libev / ev++.h @ 90fc8d36

History | View | Annotate | Download (19.4 KB)

-            c5183738
+/*
  * libev simple C++ wrapper classes
+ *
  * Copyright (c) 2007,2008 Marc Alexander Lehmann <libev@schmorp.de>
  * All rights reserved.
+ *
  * Redistribution and use in source and binary forms, with or without modifica-
  * tion, are permitted provided that the following conditions are met:
+ *
  *   1.  Redistributions of source code must retain the above copyright notice,
  *       this list of conditions and the following disclaimer.
+ *
  *   2.  Redistributions in binary form must reproduce the above copyright
  *       notice, this list of conditions and the following disclaimer in the
  *       documentation and/or other materials provided with the distribution.
+ *
  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER-
  * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO
  * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE-
  * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-
  * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
  * Alternatively, the contents of this file may be used under the terms of
  * the GNU General Public License ("GPL") version 2 or any later version,
  * in which case the provisions of the GPL are applicable instead of
  * the above. If you wish to allow the use of your version of this file
  * only under the terms of the GPL and not to allow others to use your
  * version of this file under the BSD license, indicate your decision
  * by deleting the provisions above and replace them with the notice
  * and other provisions required by the GPL. If you do not delete the
  * provisions above, a recipient may use your version of this file under
  * either the BSD or the GPL.
  */
 #ifndef EVPP_H__
 #define EVPP_H__
 #ifdef EV_H
 # include EV_H
 #else
 # include "ev.h"
 #endif
 #ifndef EV_USE_STDEXCEPT
 # define EV_USE_STDEXCEPT 1
 #endif
 #if EV_USE_STDEXCEPT
 # include <stdexcept>
 #endif
 namespace ev {
   typedef ev_tstamp tstamp;
   enum
+  {
     UNDEF    = EV_UNDEF,
     NONE     = EV_NONE,
     READ     = EV_READ,
     WRITE    = EV_WRITE,
     TIMEOUT  = EV_TIMEOUT,
     PERIODIC = EV_PERIODIC,
     SIGNAL   = EV_SIGNAL,
     CHILD    = EV_CHILD,
     STAT     = EV_STAT,
     IDLE     = EV_IDLE,
     CHECK    = EV_CHECK,
     PREPARE  = EV_PREPARE,
     FORK     = EV_FORK,
     ASYNC    = EV_ASYNC,
     EMBED    = EV_EMBED,
 #   undef ERROR // some systems stupidly #define ERROR
     ERROR    = EV_ERROR,
   };
   enum
+  {
     AUTO      = EVFLAG_AUTO,
     NOENV     = EVFLAG_NOENV,
     FORKCHECK = EVFLAG_FORKCHECK,
     SELECT    = EVBACKEND_SELECT,
     POLL      = EVBACKEND_POLL,
     EPOLL     = EVBACKEND_EPOLL,
     KQUEUE    = EVBACKEND_KQUEUE,
     DEVPOLL   = EVBACKEND_DEVPOLL,
     PORT      = EVBACKEND_PORT
   };
   enum
+  {
     NONBLOCK = EVLOOP_NONBLOCK,
     ONESHOT  = EVLOOP_ONESHOT
   };
   enum how_t
+  {
     ONE = EVUNLOOP_ONE,
     ALL = EVUNLOOP_ALL
   };
   struct bad_loop
 #if EV_USE_STDEXCEPT
   : std::runtime_error
 #endif
+  {
 #if EV_USE_STDEXCEPT
     bad_loop ()
     : std::runtime_error ("libev event loop cannot be initialized, bad value of LIBEV_FLAGS?")
+    {
+    }
 #endif
   };
 #ifdef EV_AX
 #  undef EV_AX
 #endif
 #ifdef EV_AX_
 #  undef EV_AX_
 #endif
 #if EV_MULTIPLICITY
 #  define EV_AX  raw_loop
 #  define EV_AX_ raw_loop,
 #else
 #  define EV_AX
 #  define EV_AX_
 #endif
   struct loop_ref
+  {
     loop_ref (EV_P) throw ()
 #if EV_MULTIPLICITY
     : EV_AX (EV_A)
 #endif
+    {
+    }
     bool operator == (const loop_ref &other) const throw ()
+    {
 #if EV_MULTIPLICITY
       return EV_AX == other.EV_AX;
 #else
       return true;
 #endif
+    }
     bool operator != (const loop_ref &other) const throw ()
+    {
 #if EV_MULTIPLICITY
       return ! (*this == other);
 #else
       return false;
 #endif
+    }
 #if EV_MULTIPLICITY
     bool operator == (const EV_P) const throw ()
+    {
       return this->EV_AX == EV_A;
+    }
     bool operator != (const EV_P) const throw ()
+    {
       return (*this == EV_A);
+    }
     operator struct ev_loop * () const throw ()
+    {
       return EV_AX;
+    }
     operator const struct ev_loop * () const throw ()
+    {
       return EV_AX;
+    }
     bool is_default () const throw ()
+    {
       return EV_AX == ev_default_loop (0);
+    }
 #endif
     void loop (int flags = 0)
+    {
       ev_loop (EV_AX_ flags);
+    }
     void unloop (how_t how = ONE) throw ()
+    {
       ev_unloop (EV_AX_ how);
+    }
     void post_fork () throw ()
+    {
 #if EV_MULTIPLICITY
       ev_loop_fork (EV_AX);
 #else
       ev_default_fork ();
 #endif
+    }
     unsigned int count () const throw ()
+    {
       return ev_loop_count (EV_AX);
+    }
     unsigned int backend () const throw ()
+    {
       return ev_backend (EV_AX);
+    }
     tstamp now () const throw ()
+    {
       return ev_now (EV_AX);
+    }
     void ref () throw ()
+    {
       ev_ref (EV_AX);
+    }
     void unref () throw ()
+    {
       ev_unref (EV_AX);
+    }
     void set_io_collect_interval (tstamp interval) throw ()
+    {
       ev_set_io_collect_interval (EV_AX_ interval);
+    }
     void set_timeout_collect_interval (tstamp interval) throw ()
+    {
       ev_set_timeout_collect_interval (EV_AX_ interval);
+    }
     // function callback
     void once (int fd, int events, tstamp timeout, void (*cb)(int, void *), void *arg = 0) throw ()
+    {
       ev_once (EV_AX_ fd, events, timeout, cb, arg);
+    }
     // method callback
     template<class K, void (K::*method)(int)>
     void once (int fd, int events, tstamp timeout, K *object) throw ()
+    {
       once (fd, events, timeout, method_thunk<K, method>, object);
+    }
     // default method == operator ()
     template<class K>
     void once (int fd, int events, tstamp timeout, K *object) throw ()
+    {
       once (fd, events, timeout, method_thunk<K, &K::operator ()>, object);
+    }
     template<class K, void (K::*method)(int)>
     static void method_thunk (int revents, void *arg)
+    {
       static_cast<K *>(arg)->*method
         (revents);
+    }
     // no-argument method callback
     template<class K, void (K::*method)()>
     void once (int fd, int events, tstamp timeout, K *object) throw ()
+    {
       once (fd, events, timeout, method_noargs_thunk<K, method>, object);
+    }
     template<class K, void (K::*method)()>
     static void method_noargs_thunk (int revents, void *arg)
+    {
       static_cast<K *>(arg)->*method
         ();
+    }
     // simpler function callback
     template<void (*cb)(int)>
     void once (int fd, int events, tstamp timeout) throw ()
+    {
       once (fd, events, timeout, simpler_func_thunk<cb>);
+    }
     template<void (*cb)(int)>
     static void simpler_func_thunk (int revents, void *arg)
+    {
       (*cb)
         (revents);
+    }
     // simplest function callback
     template<void (*cb)()>
     void once (int fd, int events, tstamp timeout) throw ()
+    {
       once (fd, events, timeout, simplest_func_thunk<cb>);
+    }
     template<void (*cb)()>
     static void simplest_func_thunk (int revents, void *arg)
+    {
       (*cb)
         ();
+    }
     void feed_fd_event (int fd, int revents) throw ()
+    {
       ev_feed_fd_event (EV_AX_ fd, revents);
+    }
     void feed_signal_event (int signum) throw ()
+    {
       ev_feed_signal_event (EV_AX_ signum);
+    }
 #if EV_MULTIPLICITY
     struct ev_loop* EV_AX;
 #endif
   };
 #if EV_MULTIPLICITY
   struct dynamic_loop : loop_ref
+  {
     dynamic_loop (unsigned int flags = AUTO) throw (bad_loop)
     : loop_ref (ev_loop_new (flags))
+    {
       if (!EV_AX)
         throw bad_loop ();
+    }
     ~dynamic_loop () throw ()
+    {
       ev_loop_destroy (EV_AX);
       EV_AX = 0;
+    }
   private:
     dynamic_loop (const dynamic_loop &);
     dynamic_loop & operator= (const dynamic_loop &);
   };
 #endif
   struct default_loop : loop_ref
+  {
     default_loop (unsigned int flags = AUTO) throw (bad_loop)
 #if EV_MULTIPLICITY
     : loop_ref (ev_default_loop (flags))
 #endif
+    {
       if (
 #if EV_MULTIPLICITY
           !EV_AX
 #else
           !ev_default_loop (flags)
 #endif
+      )
         throw bad_loop ();
+    }
     ~default_loop () throw ()
+    {
       ev_default_destroy ();
+    }
   private:
     default_loop (const default_loop &);
     default_loop &operator = (const default_loop &);
   };
   inline loop_ref get_default_loop () throw ()
+  {
 #if EV_MULTIPLICITY
     return ev_default_loop (0);
 #else
     return loop_ref ();
 #endif
+  }
 #undef EV_AX
 #undef EV_AX_
 #undef EV_PX
 #undef EV_PX_
 #if EV_MULTIPLICITY
 #  define EV_PX  loop_ref EV_A
 #  define EV_PX_ loop_ref EV_A_
 #else
 #  define EV_PX
 #  define EV_PX_
 #endif
   template<class ev_watcher, class watcher>
   struct base : ev_watcher
+  {
     #if EV_MULTIPLICITY
       EV_PX;
       void set (EV_P) throw ()
+      {
         this->EV_A = EV_A;
+      }
     #endif
     base (EV_PX) throw ()
     #if EV_MULTIPLICITY
       : EV_A (EV_A)
     #endif
+    {
       ev_init (this, 0);
+    }
     void set_ (const void *data, void (*cb)(EV_P_ ev_watcher *w, int revents)) throw ()
+    {
       this->data = (void *)data;
       ev_set_cb (static_cast<ev_watcher *>(this), cb);
+    }
     // function callback
     template<void (*function)(watcher &w, int)>
     void set (void *data = 0) throw ()
+    {
       set_ (data, function_thunk<function>);
+    }
     template<void (*function)(watcher &w, int)>
     static void function_thunk (EV_P_ ev_watcher *w, int revents)
+    {
       function
         (*static_cast<watcher *>(w), revents);
+    }
     // method callback
     template<class K, void (K::*method)(watcher &w, int)>
     void set (K *object) throw ()
+    {
       set_ (object, method_thunk<K, method>);
+    }
     // default method == operator ()
     template<class K>
     void set (K *object) throw ()
+    {
       set_ (object, method_thunk<K, &K::operator ()>);
+    }
     template<class K, void (K::*method)(watcher &w, int)>
     static void method_thunk (EV_P_ ev_watcher *w, int revents)
+    {
       (static_cast<K *>(w->data)->*method)
         (*static_cast<watcher *>(w), revents);
+    }
     // no-argument callback
     template<class K, void (K::*method)()>
     void set (K *object) throw ()
+    {
       set_ (object, method_noargs_thunk<K, method>);
+    }
     template<class K, void (K::*method)()>
     static void method_noargs_thunk (EV_P_ ev_watcher *w, int revents)
+    {
       static_cast<K *>(w->data)->*method
         ();
+    }
     void operator ()(int events = EV_UNDEF)
+    {
       return
         ev_cb (static_cast<ev_watcher *>(this))
           (static_cast<ev_watcher *>(this), events);
+    }
     bool is_active () const throw ()
+    {
       return ev_is_active (static_cast<const ev_watcher *>(this));
+    }
     bool is_pending () const throw ()
+    {
       return ev_is_pending (static_cast<const ev_watcher *>(this));
+    }
     void feed_event (int revents) throw ()
+    {
       ev_feed_event (EV_A_ static_cast<const ev_watcher *>(this), revents);
+    }
   };
   inline tstamp now () throw ()
+  {
     return ev_time ();
+  }
   inline void delay (tstamp interval) throw ()
+  {
     ev_sleep (interval);
+  }
   inline int version_major () throw ()
+  {
     return ev_version_major ();
+  }
   inline int version_minor () throw ()
+  {
     return ev_version_minor ();
+  }
   inline unsigned int supported_backends () throw ()
+  {
     return ev_supported_backends ();
+  }
   inline unsigned int recommended_backends () throw ()
+  {
     return ev_recommended_backends ();
+  }
   inline unsigned int embeddable_backends () throw ()
+  {
     return ev_embeddable_backends ();
+  }
   inline void set_allocator (void *(*cb)(void *ptr, long size)) throw ()
+  {
     ev_set_allocator (cb);
+  }
   inline void set_syserr_cb (void (*cb)(const char *msg)) throw ()
+  {
     ev_set_syserr_cb (cb);
+  }
   #if EV_MULTIPLICITY
     #define EV_CONSTRUCT(cppstem,cstem)                                                        \
       (EV_PX = get_default_loop ()) throw ()                                            \
         : base<ev_ ## cstem, cppstem> (EV_A)                                            \
       {                                                                                 \
+      }
   #else
     #define EV_CONSTRUCT(cppstem,cstem)                                                 \
       () throw ()                                                                       \
       {                                                                                 \
+      }
   #endif
   /* using a template here would require quite a bit more lines,
    * so a macro solution was chosen */
   #define EV_BEGIN_WATCHER(cppstem,cstem)                                                \
+                                                                                        \
   struct cppstem : base<ev_ ## cstem, cppstem>                                          \
   {                                                                                     \
     void start () throw ()                                                              \
     {                                                                                   \
       ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this));                 \
     }                                                                                   \
+                                                                                        \
     void stop () throw ()                                                               \
     {                                                                                   \
       ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this));                  \
     }                                                                                   \
+                                                                                        \
     cppstem EV_CONSTRUCT(cppstem,cstem)                                                 \
+                                                                                        \
     ~cppstem () throw ()                                                                \
     {                                                                                   \
       stop ();                                                                          \
     }                                                                                   \
+                                                                                        \
     using base<ev_ ## cstem, cppstem>::set;                                             \
+                                                                                        \
   private:                                                                              \
+                                                                                        \
     cppstem (const cppstem &o);                                                         \
+                                                                                        \
     cppstem &operator =(const cppstem &o);                                              \
+                                                                                        \
   public:
   #define EV_END_WATCHER(cppstem,cstem)                                                        \
   };
   EV_BEGIN_WATCHER (io, io)
     void set (int fd, int events) throw ()
+    {
       int active = is_active ();
       if (active) stop ();
       ev_io_set (static_cast<ev_io *>(this), fd, events);
       if (active) start ();
+    }
     void set (int events) throw ()
+    {
       int active = is_active ();
       if (active) stop ();
       ev_io_set (static_cast<ev_io *>(this), fd, events);
       if (active) start ();
+    }
     void start (int fd, int events) throw ()
+    {
       set (fd, events);
       start ();
+    }
   EV_END_WATCHER (io, io)
   EV_BEGIN_WATCHER (timer, timer)
     void set (ev_tstamp after, ev_tstamp repeat = 0.) throw ()
+    {
       int active = is_active ();
       if (active) stop ();
       ev_timer_set (static_cast<ev_timer *>(this), after, repeat);
       if (active) start ();
+    }
     void start (ev_tstamp after, ev_tstamp repeat = 0.) throw ()
+    {
       set (after, repeat);
       start ();
+    }
     void again () throw ()
+    {
       ev_timer_again (EV_A_ static_cast<ev_timer *>(this));
+    }
   EV_END_WATCHER (timer, timer)
   #if EV_PERIODIC_ENABLE
   EV_BEGIN_WATCHER (periodic, periodic)
     void set (ev_tstamp at, ev_tstamp interval = 0.) throw ()
+    {
       int active = is_active ();
       if (active) stop ();
       ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0);
       if (active) start ();
+    }
     void start (ev_tstamp at, ev_tstamp interval = 0.) throw ()
+    {
       set (at, interval);
       start ();
+    }
     void again () throw ()
+    {
       ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this));
+    }
   EV_END_WATCHER (periodic, periodic)
   #endif
   EV_BEGIN_WATCHER (sig, signal)
     void set (int signum) throw ()
+    {
       int active = is_active ();
       if (active) stop ();
       ev_signal_set (static_cast<ev_signal *>(this), signum);
       if (active) start ();
+    }
     void start (int signum) throw ()
+    {
       set (signum);
       start ();
+    }
   EV_END_WATCHER (sig, signal)
   EV_BEGIN_WATCHER (child, child)
     void set (int pid, int trace = 0) throw ()
+    {
       int active = is_active ();
       if (active) stop ();
       ev_child_set (static_cast<ev_child *>(this), pid, trace);
       if (active) start ();
+    }
     void start (int pid, int trace = 0) throw ()
+    {
       set (pid, trace);
       start ();
+    }
   EV_END_WATCHER (child, child)
   #if EV_STAT_ENABLE
   EV_BEGIN_WATCHER (stat, stat)
     void set (const char *path, ev_tstamp interval = 0.) throw ()
+    {
       int active = is_active ();
       if (active) stop ();
       ev_stat_set (static_cast<ev_stat *>(this), path, interval);
       if (active) start ();
+    }
     void start (const char *path, ev_tstamp interval = 0.) throw ()
+    {
       stop ();
       set (path, interval);
       start ();
+    }
     void update () throw ()
+    {
       ev_stat_stat (EV_A_ static_cast<ev_stat *>(this));
+    }
   EV_END_WATCHER (stat, stat)
   #endif
   EV_BEGIN_WATCHER (idle, idle)
     void set () throw () { }
   EV_END_WATCHER (idle, idle)
   EV_BEGIN_WATCHER (prepare, prepare)
     void set () throw () { }
   EV_END_WATCHER (prepare, prepare)
   EV_BEGIN_WATCHER (check, check)
     void set () throw () { }
   EV_END_WATCHER (check, check)
   #if EV_EMBED_ENABLE
   EV_BEGIN_WATCHER (embed, embed)
     void set (struct ev_loop *embedded_loop) throw ()
+    {
       int active = is_active ();
       if (active) stop ();
       ev_embed_set (static_cast<ev_embed *>(this), embedded_loop);
       if (active) start ();
+    }
     void start (struct ev_loop *embedded_loop) throw ()
+    {
       set (embedded_loop);
       start ();
+    }
     void sweep ()
+    {
       ev_embed_sweep (EV_A_ static_cast<ev_embed *>(this));
+    }
   EV_END_WATCHER (embed, embed)
   #endif
   #if EV_FORK_ENABLE
   EV_BEGIN_WATCHER (fork, fork)
     void set () throw () { }
   EV_END_WATCHER (fork, fork)
   #endif
   #if EV_ASYNC_ENABLE
   EV_BEGIN_WATCHER (async, async)
     void set () throw () { }
     void send () throw ()
+    {
       ev_async_send (EV_A_ static_cast<ev_async *>(this));
+    }
     bool async_pending () throw ()
+    {
       return ev_async_pending (static_cast<ev_async *>(this));
+    }
   EV_END_WATCHER (async, async)
   #endif
   #undef EV_PX
   #undef EV_PX_
   #undef EV_CONSTRUCT
   #undef EV_BEGIN_WATCHER
   #undef EV_END_WATCHER
+}
 #endif