libev/ev%2B%2B.h

/*
 * libev simple C++ wrapper classes
 *
 * Copyright (c) 2007 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_CXX_EXCEPTIONS
#define EV_CXX_EXCEPTIONS 1
#endif

#undef EV_THROW
#if EV_CXX_EXCEPTIONS
#  include <stdexcept>
#  define EV_THROW(exception) throw (exception)
#else
#  define EV_THROW(exception)
#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,
    EMBED    = EV_EMBED,
    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
  };

#if EV_CXX_EXCEPTIONS
  struct bad_loop: std::runtime_error
  {
    bad_loop()
      : std::runtime_error("loop can't be initialized") {}
  };
#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)
#if EV_MULTIPLICITY
      EV_THROW (bad_loop) : EV_AX (EV_A)
#endif
    {
#if EV_MULTIPLICIY && EV_CXX_EXCEPTIONS
      if (!EV_A)
        throw bad_loop ();
#endif
    }

    bool operator== (const loop_ref &other) const EV_THROW ()
    {
#if EV_MULTIPLICITY
      return this->EV_AX == other.EV_AX;
#else
      return true;
#endif
    }

    bool operator!= (const loop_ref &other) const EV_THROW ()
    {
#if EV_MULTIPLICITY
      return ! (*this == other);
#else
      return false;
#endif
    }

#if EV_MULTIPLICITY
    bool operator== (struct ev_loop *other) const EV_THROW ()
    {
      return this->EV_AX == other;
    }

    bool operator!= (struct ev_loop *other) const EV_THROW ()
    {
      return ! (*this == other);
    }

    bool operator== (const struct ev_loop *other) const EV_THROW ()
    {
      return this->EV_AX == other;
    }

    bool operator!= (const struct ev_loop *other) const EV_THROW ()
    {
      return (*this == other);
    }

    operator struct ev_loop * () const EV_THROW ()
    {
      return EV_AX;
    }

    operator const struct ev_loop * () const EV_THROW ()
    {
      return EV_AX;
    }

    bool is_default () const EV_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) EV_THROW ()
    {
      ev_unloop (EV_AX_ how);
    }

    void post_fork () EV_THROW ()
    {
#if EV_MULTIPLICITY
      ev_loop_fork (EV_AX);
#else
      ev_default_fork ();
#endif
    }

    unsigned int count () const EV_THROW ()
    {
      return ev_loop_count (EV_AX);
    }

    unsigned int backend () const EV_THROW ()
    {
      return ev_backend (EV_AX);
    }

    tstamp now () const EV_THROW ()
    {
      return ev_now (EV_AX);
    }

    void ref () EV_THROW ()
    {
      ev_ref (EV_AX);
    }

    void unref () EV_THROW ()
    {
      ev_unref (EV_AX);
    }

    void set_io_collect_interval (tstamp interval) EV_THROW ()
    {
      ev_set_io_collect_interval (EV_AX_ interval);
    }

    void set_timeout_collect_interval (tstamp interval) EV_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) EV_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) EV_THROW ()
    {
      once (fd, events, timeout, method_thunk<K, method>, object);
    }

    template<class K, void (K::*method)(int)>
    static void method_thunk (int revents, void* arg)
    {
      K *obj = static_cast<K *>(arg);
      (obj->*method) (revents);
    }

    // const method callback
    template<class K, void (K::*method)(int) const>
    void once (int fd, int events, tstamp timeout, const K *object) EV_THROW ()
    {
      once (fd, events, timeout, const_method_thunk<K, method>, object);
    }

    template<class K, void (K::*method)(int) const>
    static void const_method_thunk (int revents, void* arg)
    {
      K *obj = static_cast<K *>(arg);
      (obj->*method) (revents);
    }

    // simple method callback
    template<class K, void (K::*method)()>
    void once (int fd, int events, tstamp timeout, K *object) EV_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)
    {
      K *obj = static_cast<K *>(arg);
      (obj->*method) ();
    }

    // simpler function callback
    template<void (*cb)(int)>
    void once (int fd, int events, tstamp timeout) EV_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) EV_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) EV_THROW ()
    {
      ev_feed_fd_event (EV_AX_ fd, revents);
    }

    void feed_signal_event (int signum) EV_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) EV_THROW (bad_loop)
      : loop_ref (ev_loop_new (flags))
    {
    }

    ~dynamic_loop () EV_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) EV_THROW (bad_loop)
#if EV_MULTIPLICITY
      : loop_ref (ev_default_loop (flags))
    {
    }
#else
    {
    #if EV_CXX_EXCEPTIONS
      int r =
    #endif
          ev_default_loop (flags);
    #if EV_CXX_EXCEPTIONS
      if (!r)
        throw bad_loop ();
    #endif
    }
#endif

    ~default_loop () EV_THROW ()
    {
      ev_default_destroy ();
#if EV_MULTIPLICITY
      EV_AX = 0;
#endif
    }

  private:

    default_loop (const default_loop &);

    default_loop & operator= (const default_loop &);

  };

  inline loop_ref get_default_loop () EV_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_PX) EV_THROW ()
      {
        this->EV_A = EV_A;
      }
    #endif

    base (EV_PX) EV_THROW ()
    #if EV_MULTIPLICITY
      : EV_A (EV_A)
    #endif
    {
      ev_init (this, 0);
    }

    void set_ (void *data, void (*cb)(EV_P_ ev_watcher *w, int revents)) EV_THROW ()
    {
      this->data = data;
      ev_set_cb (static_cast<ev_watcher *>(this), cb);
    }

    // method callback
    template<class K, void (K::*method)(watcher &w, int)>
    void set (K *object) EV_THROW ()
    {
      set_ (object, method_thunk<K, method>);
    }

    template<class K, void (K::*method)(watcher &w, int)>
    static void method_thunk (EV_P_ ev_watcher *w, int revents)
    {
      K *obj = static_cast<K *>(w->data);
      (obj->*method) (*static_cast<watcher *>(w), revents);
    }

    // const method callback
    template<class K, void (K::*method)(watcher &w, int) const>
    void set (const K *object) EV_THROW ()
    {
      set_ (object, const_method_thunk<K, method>);
    }

    template<class K, void (K::*method)(watcher &w, int) const>
    static void const_method_thunk (EV_P_ ev_watcher *w, int revents)
    {
      K *obj = static_cast<K *>(w->data);
      (static_cast<K *>(w->data)->*method) (*static_cast<watcher *>(w), revents);
    }

    // function callback
    template<void (*function)(watcher &w, int)>
    void set (void *data = 0) EV_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);
    }

    // simple callback
    template<class K, void (K::*method)()>
    void set (K *object) EV_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)
    {
      K *obj = static_cast<K *>(w->data);
      (obj->*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 EV_THROW ()
    {
      return ev_is_active (static_cast<const ev_watcher *>(this));
    }

    bool is_pending () const EV_THROW ()
    {
      return ev_is_pending (static_cast<const ev_watcher *>(this));
    }

    void feed_event (int revents) EV_THROW ()
    {
      ev_feed_event (EV_A_ static_cast<const ev_watcher *>(this), revents);
    }
  };

  inline tstamp now () EV_THROW ()
  {
    return ev_time ();
  }

  inline void delay (tstamp interval) EV_THROW ()
  {
    ev_sleep (interval);
  }

  inline int version_major () EV_THROW ()
  {
    return ev_version_major ();
  }

  inline int version_minor () EV_THROW ()
  {
    return ev_version_minor ();
  }

  inline unsigned int supported_backends () EV_THROW ()
  {
    return ev_supported_backends ();
  }

  inline unsigned int recommended_backends () EV_THROW ()
  {
    return ev_recommended_backends ();
  }

  inline unsigned int embeddable_backends () EV_THROW ()
  {
    return ev_embeddable_backends ();
  }

  inline void set_allocator (void *(*cb)(void *ptr, long size)) EV_THROW ()
  {
    ev_set_allocator (cb);
  }

  inline void set_syserr_cb (void (*cb)(const char *msg)) EV_THROW ()
  {
    ev_set_syserr_cb (cb);
  }

  #if EV_MULTIPLICITY
    #define EV_CONSTRUCT(cppstem,cstem)                                                 \
      (EV_PX = get_default_loop ()) EV_THROW ()                                         \
        : base<ev_ ## cstem, cppstem> (EV_A)                                            \
      {                                                                                 \
      }
  #else
    #define EV_CONSTRUCT(cppstem,cstem)                                                 \
      () EV_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 () EV_THROW ()                                                           \
    {                                                                                   \
      ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this));                 \
    }                                                                                   \
                                                                                        \
    void stop () EV_THROW ()                                                            \
    {                                                                                   \
      ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this));                  \
    }                                                                                   \
                                                                                        \
    cppstem EV_CONSTRUCT(cppstem,cstem)                                                 \
                                                                                        \
    ~cppstem () EV_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) EV_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) EV_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) EV_THROW ()
    {
      set (fd, events);
      start ();
    }
  EV_END_WATCHER (io, io)

  EV_BEGIN_WATCHER (timer, timer)
    void set (ev_tstamp after, ev_tstamp repeat = 0.) EV_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.) EV_THROW ()
    {
      set (after, repeat);
      start ();
    }

    void again () EV_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.) EV_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.) EV_THROW ()
    {
      set (at, interval);
      start ();
    }

    void again () EV_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) EV_THROW ()
    {
      int active = is_active ();
      if (active) stop ();
      ev_signal_set (static_cast<ev_signal *>(this), signum);
      if (active) start ();
    }

    void start (int signum) EV_THROW ()
    {
      set (signum);
      start ();
    }
  EV_END_WATCHER (sig, signal)

  EV_BEGIN_WATCHER (child, child)
    void set (int pid) EV_THROW ()
    {
      int active = is_active ();
      if (active) stop ();
      ev_child_set (static_cast<ev_child *>(this), pid);
      if (active) start ();
    }

    void start (int pid) EV_THROW ()
    {
      set (pid);
      start ();
    }
  EV_END_WATCHER (child, child)

  #if EV_STAT_ENABLE
  EV_BEGIN_WATCHER (stat, stat)
    void set (const char *path, ev_tstamp interval = 0.) EV_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.) EV_THROW ()
    {
      stop ();
      set (path, interval);
      start ();
    }

    void update () EV_THROW ()
    {
      ev_stat_stat (EV_A_ static_cast<ev_stat *>(this));
    }
  EV_END_WATCHER (stat, stat)
  #endif

  EV_BEGIN_WATCHER (idle, idle)
    void set () EV_THROW () { }
  EV_END_WATCHER (idle, idle)

  EV_BEGIN_WATCHER (prepare, prepare)
    void set () EV_THROW () { }
  EV_END_WATCHER (prepare, prepare)

  EV_BEGIN_WATCHER (check, check)
    void set () EV_THROW () { }
  EV_END_WATCHER (check, check)

  #if EV_EMBED_ENABLE
  EV_BEGIN_WATCHER (embed, embed)
    void start (struct ev_loop *embedded_loop) EV_THROW ()
    {
      stop ();
      ev_embed_set (static_cast<ev_embed *>(this), 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 () EV_THROW () { }
  EV_END_WATCHER (fork, fork)
  #endif

  #undef EV_PX
  #undef EV_PX_
  #undef EV_CONSTRUCT
  #undef EV_BEGIN_WATCHER
  #undef EV_END_WATCHER

}

#undef EV_THROW

#endif

Revision:	1.30
Committed:	Fri Jan 18 18:15:35 2008 UTC (16 years, 3 months ago) by llucax
Content type:	text/plain
Branch:	MAIN
Changes since 1.29:	+111 -78 lines
Log Message:	Add exceptions support to C++ interface. Add exception specification and a ev::bad_loop exception that is thrown when a loop can't be initialized.
#	User	Rev	Content
1	root	1.21	/*
2			* libev simple C++ wrapper classes
3			*
4			* Copyright (c) 2007 Marc Alexander Lehmann <libev@schmorp.de>
5			* All rights reserved.
6			*
7			* Redistribution and use in source and binary forms, with or without modifica-
8			* tion, are permitted provided that the following conditions are met:
9			*
10			* 1. Redistributions of source code must retain the above copyright notice,
11			* this list of conditions and the following disclaimer.
12			*
13			* 2. Redistributions in binary form must reproduce the above copyright
14			* notice, this list of conditions and the following disclaimer in the
15			* documentation and/or other materials provided with the distribution.
16			*
17			* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
18			* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER-
19			* CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
20			* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE-
21			* CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
22			* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
23			* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
24			* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-
25			* ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
26			* OF THE POSSIBILITY OF SUCH DAMAGE.
27			*
28			* Alternatively, the contents of this file may be used under the terms of
29			* the GNU General Public License ("GPL") version 2 or any later version,
30			* in which case the provisions of the GPL are applicable instead of
31			* the above. If you wish to allow the use of your version of this file
32			* only under the terms of the GPL and not to allow others to use your
33			* version of this file under the BSD license, indicate your decision
34			* by deleting the provisions above and replace them with the notice
35			* and other provisions required by the GPL. If you do not delete the
36			* provisions above, a recipient may use your version of this file under
37			* either the BSD or the GPL.
38			*/
39
40	root	1.1	#ifndef EVPP_H__
41			#define EVPP_H__
42
43	root	1.20	#ifdef EV_H
44			# include EV_H
45			#else
46	root	1.22	# include "ev.h"
47	root	1.20	#endif
48	root	1.1
49	llucax	1.30	#ifndef EV_CXX_EXCEPTIONS
50			#define EV_CXX_EXCEPTIONS 1
51			#endif
52
53			#undef EV_THROW
54			#if EV_CXX_EXCEPTIONS
55			# include <stdexcept>
56			# define EV_THROW(exception) throw (exception)
57			#else
58			# define EV_THROW(exception)
59			#endif
60
61	root	1.1	namespace ev {
62
63	llucax	1.24	typedef ev_tstamp tstamp;
64
65			enum {
66			UNDEF = EV_UNDEF,
67			NONE = EV_NONE,
68			READ = EV_READ,
69			WRITE = EV_WRITE,
70			TIMEOUT = EV_TIMEOUT,
71			PERIODIC = EV_PERIODIC,
72			SIGNAL = EV_SIGNAL,
73			CHILD = EV_CHILD,
74			STAT = EV_STAT,
75			IDLE = EV_IDLE,
76			CHECK = EV_CHECK,
77			PREPARE = EV_PREPARE,
78			FORK = EV_FORK,
79			EMBED = EV_EMBED,
80			ERROR = EV_ERROR,
81			};
82
83	llucax	1.25	enum
84			{
85			AUTO = EVFLAG_AUTO,
86			NOENV = EVFLAG_NOENV,
87			FORKCHECK = EVFLAG_FORKCHECK,
88			SELECT = EVBACKEND_SELECT,
89			POLL = EVBACKEND_POLL,
90			EPOLL = EVBACKEND_EPOLL,
91			KQUEUE = EVBACKEND_KQUEUE,
92			DEVPOLL = EVBACKEND_DEVPOLL,
93			PORT = EVBACKEND_PORT
94			};
95
96			enum
97			{
98			NONBLOCK = EVLOOP_NONBLOCK,
99			ONESHOT = EVLOOP_ONESHOT
100			};
101
102			enum how_t
103			{
104			ONE = EVUNLOOP_ONE,
105			ALL = EVUNLOOP_ALL
106			};
107
108	llucax	1.30	#if EV_CXX_EXCEPTIONS
109			struct bad_loop: std::runtime_error
110			{
111			bad_loop()
112			: std::runtime_error("loop can't be initialized") {}
113			};
114			#endif
115
116	llucax	1.28	#ifdef EV_AX
117			# undef EV_AX
118			#endif
119
120			#ifdef EV_AX_
121			# undef EV_AX_
122			#endif
123
124			#if EV_MULTIPLICITY
125			# define EV_AX raw_loop
126			# define EV_AX_ raw_loop,
127			#else
128			# define EV_AX
129			# define EV_AX_
130			#endif
131
132			struct loop_ref
133			{
134
135			loop_ref (EV_P)
136			#if EV_MULTIPLICITY
137	llucax	1.30	EV_THROW (bad_loop) : EV_AX (EV_A)
138	llucax	1.28	#endif
139			{
140	llucax	1.30	#if EV_MULTIPLICIY && EV_CXX_EXCEPTIONS
141			if (!EV_A)
142			throw bad_loop ();
143			#endif
144	llucax	1.28	}
145
146	llucax	1.30	bool operator== (const loop_ref &other) const EV_THROW ()
147	llucax	1.28	{
148			#if EV_MULTIPLICITY
149			return this->EV_AX == other.EV_AX;
150			#else
151			return true;
152			#endif
153			}
154
155	llucax	1.30	bool operator!= (const loop_ref &other) const EV_THROW ()
156	llucax	1.28	{
157			#if EV_MULTIPLICITY
158			return ! (*this == other);
159			#else
160			return false;
161			#endif
162			}
163
164			#if EV_MULTIPLICITY
165	llucax	1.30	bool operator== (struct ev_loop *other) const EV_THROW ()
166	llucax	1.28	{
167			return this->EV_AX == other;
168			}
169
170	llucax	1.30	bool operator!= (struct ev_loop *other) const EV_THROW ()
171	llucax	1.28	{
172			return ! (*this == other);
173			}
174
175	llucax	1.30	bool operator== (const struct ev_loop *other) const EV_THROW ()
176	llucax	1.28	{
177			return this->EV_AX == other;
178			}
179
180	llucax	1.30	bool operator!= (const struct ev_loop *other) const EV_THROW ()
181	llucax	1.28	{
182			return (*this == other);
183			}
184
185	llucax	1.30	operator struct ev_loop * () const EV_THROW ()
186	llucax	1.28	{
187			return EV_AX;
188			}
189
190	llucax	1.30	operator const struct ev_loop * () const EV_THROW ()
191	llucax	1.28	{
192			return EV_AX;
193			}
194
195	llucax	1.30	bool is_default () const EV_THROW ()
196	llucax	1.28	{
197			return EV_AX == ev_default_loop (0);
198			}
199			#endif
200
201			void loop (int flags = 0)
202			{
203			ev_loop (EV_AX_ flags);
204			}
205
206	llucax	1.30	void unloop (how_t how = ONE) EV_THROW ()
207	llucax	1.28	{
208			ev_unloop (EV_AX_ how);
209			}
210
211	llucax	1.30	void post_fork () EV_THROW ()
212	llucax	1.28	{
213			#if EV_MULTIPLICITY
214			ev_loop_fork (EV_AX);
215			#else
216			ev_default_fork ();
217			#endif
218			}
219
220	llucax	1.30	unsigned int count () const EV_THROW ()
221	llucax	1.28	{
222			return ev_loop_count (EV_AX);
223			}
224
225	llucax	1.30	unsigned int backend () const EV_THROW ()
226	llucax	1.28	{
227			return ev_backend (EV_AX);
228			}
229
230	llucax	1.30	tstamp now () const EV_THROW ()
231	llucax	1.28	{
232			return ev_now (EV_AX);
233			}
234
235	llucax	1.30	void ref () EV_THROW ()
236	llucax	1.28	{
237			ev_ref (EV_AX);
238			}
239
240	llucax	1.30	void unref () EV_THROW ()
241	llucax	1.28	{
242			ev_unref (EV_AX);
243			}
244
245	llucax	1.30	void set_io_collect_interval (tstamp interval) EV_THROW ()
246	llucax	1.28	{
247			ev_set_io_collect_interval (EV_AX_ interval);
248			}
249
250	llucax	1.30	void set_timeout_collect_interval (tstamp interval) EV_THROW ()
251	llucax	1.28	{
252			ev_set_timeout_collect_interval (EV_AX_ interval);
253			}
254
255			// function callback
256	llucax	1.30	void once (int fd, int events, tstamp timeout, void (cb)(int, void ), void* arg = 0) EV_THROW ()
257	llucax	1.28	{
258			ev_once (EV_AX_ fd, events, timeout, cb, arg);
259			}
260
261			// method callback
262			template<class K, void (K::*method)(int)>
263	llucax	1.30	void once (int fd, int events, tstamp timeout, K *object) EV_THROW ()
264	llucax	1.28	{
265			once (fd, events, timeout, method_thunk<K, method>, object);
266			}
267
268			template<class K, void (K::*method)(int)>
269			static void method_thunk (int revents, void* arg)
270			{
271			K obj = static_cast<K >(arg);
272			(obj->*method) (revents);
273			}
274
275			// const method callback
276			template<class K, void (K::*method)(int) const>
277	llucax	1.30	void once (int fd, int events, tstamp timeout, const K *object) EV_THROW ()
278	llucax	1.28	{
279			once (fd, events, timeout, const_method_thunk<K, method>, object);
280			}
281
282			template<class K, void (K::*method)(int) const>
283			static void const_method_thunk (int revents, void* arg)
284			{
285			K obj = static_cast<K >(arg);
286			(obj->*method) (revents);
287			}
288
289			// simple method callback
290			template<class K, void (K::*method)()>
291	llucax	1.30	void once (int fd, int events, tstamp timeout, K *object) EV_THROW ()
292	llucax	1.28	{
293			once (fd, events, timeout, method_noargs_thunk<K, method>, object);
294			}
295
296			template<class K, void (K::*method)()>
297			static void method_noargs_thunk (int revents, void* arg)
298			{
299			K obj = static_cast<K >(arg);
300			(obj->*method) ();
301			}
302
303			// simpler function callback
304			template<void (*cb)(int)>
305	llucax	1.30	void once (int fd, int events, tstamp timeout) EV_THROW ()
306	llucax	1.28	{
307			once (fd, events, timeout, simpler_func_thunk<cb>);
308			}
309
310			template<void (*cb)(int)>
311			static void simpler_func_thunk (int revents, void* arg)
312			{
313			(*cb) (revents);
314			}
315
316			// simplest function callback
317			template<void (*cb)()>
318	llucax	1.30	void once (int fd, int events, tstamp timeout) EV_THROW ()
319	llucax	1.28	{
320			once (fd, events, timeout, simplest_func_thunk<cb>);
321			}
322
323			template<void (*cb)()>
324			static void simplest_func_thunk (int revents, void* arg)
325			{
326			(*cb) ();
327			}
328
329	llucax	1.30	void feed_fd_event (int fd, int revents) EV_THROW ()
330	llucax	1.28	{
331			ev_feed_fd_event (EV_AX_ fd, revents);
332			}
333
334	llucax	1.30	void feed_signal_event (int signum) EV_THROW ()
335	llucax	1.28	{
336			ev_feed_signal_event (EV_AX_ signum);
337			}
338
339			#if EV_MULTIPLICITY
340			struct ev_loop* EV_AX;
341			#endif
342
343			};
344
345			#if EV_MULTIPLICITY
346			struct dynamic_loop: loop_ref
347			{
348
349	llucax	1.30	dynamic_loop (unsigned int flags = AUTO) EV_THROW (bad_loop)
350	llucax	1.28	: loop_ref (ev_loop_new (flags))
351			{
352			}
353
354	llucax	1.30	~dynamic_loop () EV_THROW ()
355	llucax	1.28	{
356			ev_loop_destroy (EV_AX);
357			EV_AX = 0;
358			}
359
360			private:
361
362			dynamic_loop (const dynamic_loop &);
363
364			dynamic_loop & operator= (const dynamic_loop &);
365
366			};
367			#endif
368
369			struct default_loop: loop_ref
370			{
371
372	llucax	1.30	default_loop (unsigned int flags = AUTO) EV_THROW (bad_loop)
373	llucax	1.28	#if EV_MULTIPLICITY
374			: loop_ref (ev_default_loop (flags))
375			{
376			}
377			#else
378			{
379	llucax	1.30	#if EV_CXX_EXCEPTIONS
380			int r =
381			#endif
382			ev_default_loop (flags);
383			#if EV_CXX_EXCEPTIONS
384			if (!r)
385			throw bad_loop ();
386			#endif
387	llucax	1.28	}
388			#endif
389
390	llucax	1.30	~default_loop () EV_THROW ()
391	llucax	1.28	{
392			ev_default_destroy ();
393			#if EV_MULTIPLICITY
394			EV_AX = 0;
395			#endif
396			}
397
398			private:
399
400			default_loop (const default_loop &);
401
402			default_loop & operator= (const default_loop &);
403
404			};
405
406	llucax	1.30	inline loop_ref get_default_loop () EV_THROW ()
407	llucax	1.28	{
408			#if EV_MULTIPLICITY
409			return ev_default_loop (0);
410			#else
411			return loop_ref ();
412			#endif
413			}
414
415			#undef EV_AX
416			#undef EV_AX_
417
418			#undef EV_PX
419			#undef EV_PX_
420			#if EV_MULTIPLICITY
421			# define EV_PX loop_ref EV_A
422			# define EV_PX_ loop_ref EV_A_
423			#else
424			# define EV_PX
425			# define EV_PX_
426			#endif
427
428	root	1.13	template<class ev_watcher, class watcher>
429			struct base : ev_watcher
430	root	1.1	{
431	root	1.13	#if EV_MULTIPLICITY
432	llucax	1.28	EV_PX;
433	root	1.1
434	llucax	1.30	void set (EV_PX) EV_THROW ()
435	root	1.13	{
436			this->EV_A = EV_A;
437			}
438			#endif
439	root	1.1
440	llucax	1.30	base (EV_PX) EV_THROW ()
441	llucax	1.28	#if EV_MULTIPLICITY
442			: EV_A (EV_A)
443			#endif
444	root	1.13	{
445			ev_init (this, 0);
446			}
447
448	llucax	1.30	void set_ (void data, void (cb)(EV_P_ ev_watcher *w, int revents)) EV_THROW ()
449	root	1.13	{
450	root	1.17	this->data = data;
451	root	1.18	ev_set_cb (static_cast<ev_watcher *>(this), cb);
452	root	1.13	}
453
454	root	1.19	// method callback
455	root	1.13	template<class K, void (K::*method)(watcher &w, int)>
456	llucax	1.30	void set (K *object) EV_THROW ()
457	root	1.13	{
458			set_ (object, method_thunk<K, method>);
459			}
460
461			template<class K, void (K::*method)(watcher &w, int)>
462	root	1.18	static void method_thunk (EV_P_ ev_watcher *w, int revents)
463	root	1.13	{
464	root	1.17	K obj = static_cast<K >(w->data);
465	root	1.18	(obj->method) (static_cast<watcher *>(w), revents);
466	root	1.13	}
467
468	root	1.19	// const method callback
469	root	1.13	template<class K, void (K::*method)(watcher &w, int) const>
470	llucax	1.30	void set (const K *object) EV_THROW ()
471	root	1.13	{
472			set_ (object, const_method_thunk<K, method>);
473			}
474
475			template<class K, void (K::*method)(watcher &w, int) const>
476	root	1.18	static void const_method_thunk (EV_P_ ev_watcher *w, int revents)
477	root	1.13	{
478	root	1.17	K obj = static_cast<K >(w->data);
479	root	1.18	(static_cast<K >(w->data)->method) (static_cast<watcher >(w), revents);
480	root	1.13	}
481
482	root	1.19	// function callback
483	root	1.17	template<void (*function)(watcher &w, int)>
484	llucax	1.30	void set (void *data = 0) EV_THROW ()
485	root	1.13	{
486	root	1.16	set_ (data, function_thunk<function>);
487	root	1.13	}
488
489			template<void (*function)(watcher &w, int)>
490	root	1.18	static void function_thunk (EV_P_ ev_watcher *w, int revents)
491	root	1.13	{
492	root	1.18	function (static_cast<watcher >(w), revents);
493	root	1.13	}
494
495	root	1.19	// simple callback
496			template<class K, void (K::*method)()>
497	llucax	1.30	void set (K *object) EV_THROW ()
498	root	1.19	{
499			set_ (object, method_noargs_thunk<K, method>);
500			}
501
502			template<class K, void (K::*method)()>
503			static void method_noargs_thunk (EV_P_ ev_watcher *w, int revents)
504			{
505			K obj = static_cast<K >(w->data);
506			(obj->*method) ();
507			}
508
509	root	1.13	void operator ()(int events = EV_UNDEF)
510			{
511	root	1.14	return ev_cb (static_cast<ev_watcher *>(this))
512			(static_cast<ev_watcher *>(this), events);
513	root	1.13	}
514
515	llucax	1.30	bool is_active () const EV_THROW ()
516	root	1.1	{
517	root	1.13	return ev_is_active (static_cast<const ev_watcher *>(this));
518	root	1.1	}
519
520	llucax	1.30	bool is_pending () const EV_THROW ()
521	root	1.1	{
522	root	1.13	return ev_is_pending (static_cast<const ev_watcher *>(this));
523	root	1.1	}
524	llucax	1.27
525	llucax	1.30	void feed_event (int revents) EV_THROW ()
526	llucax	1.27	{
527			ev_feed_event (EV_A_ static_cast<const ev_watcher *>(this), revents);
528			}
529	root	1.1	};
530
531	llucax	1.30	inline tstamp now () EV_THROW ()
532	llucax	1.29	{
533			return ev_time ();
534			}
535
536	llucax	1.30	inline void delay (tstamp interval) EV_THROW ()
537	llucax	1.26	{
538			ev_sleep (interval);
539			}
540
541	llucax	1.30	inline int version_major () EV_THROW ()
542	llucax	1.26	{
543			return ev_version_major ();
544			}
545
546	llucax	1.30	inline int version_minor () EV_THROW ()
547	llucax	1.26	{
548			return ev_version_minor ();
549			}
550
551	llucax	1.30	inline unsigned int supported_backends () EV_THROW ()
552	llucax	1.26	{
553			return ev_supported_backends ();
554			}
555
556	llucax	1.30	inline unsigned int recommended_backends () EV_THROW ()
557	llucax	1.26	{
558			return ev_recommended_backends ();
559			}
560
561	llucax	1.30	inline unsigned int embeddable_backends () EV_THROW ()
562	llucax	1.26	{
563			return ev_embeddable_backends ();
564			}
565
566	llucax	1.30	inline void set_allocator (void (cb)(void *ptr, long size)) EV_THROW ()
567	llucax	1.26	{
568			ev_set_allocator (cb);
569			}
570
571	llucax	1.30	inline void set_syserr_cb (void (cb)(const char msg)) EV_THROW ()
572	llucax	1.26	{
573			ev_set_syserr_cb (cb);
574			}
575
576	root	1.1	#if EV_MULTIPLICITY
577	llucax	1.28	#define EV_CONSTRUCT(cppstem,cstem) \
578	llucax	1.30	(EV_PX = get_default_loop ()) EV_THROW () \
579	llucax	1.28	: base<ev_ ## cstem, cppstem> (EV_A) \
580	root	1.1	{ \
581	root	1.13	}
582	root	1.1	#else
583	llucax	1.28	#define EV_CONSTRUCT(cppstem,cstem) \
584	llucax	1.30	() EV_THROW () \
585	root	1.13	{ \
586			}
587	root	1.1	#endif
588
589			/* using a template here would require quite a bit more lines,
590			* so a macro solution was chosen */
591	root	1.4	#define EV_BEGIN_WATCHER(cppstem,cstem) \
592	root	1.1	\
593	root	1.13	struct cppstem : base<ev_ ## cstem, cppstem> \
594	root	1.1	{ \
595	llucax	1.30	void start () EV_THROW () \
596	root	1.1	{ \
597			ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \
598			} \
599			\
600	llucax	1.30	void stop () EV_THROW () \
601	root	1.1	{ \
602			ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \
603			} \
604			\
605	llucax	1.28	cppstem EV_CONSTRUCT(cppstem,cstem) \
606	root	1.1	\
607	llucax	1.30	~cppstem () EV_THROW () \
608	root	1.3	{ \
609			stop (); \
610			} \
611			\
612	root	1.13	using base<ev_ ## cstem, cppstem>::set; \
613			\
614	root	1.1	private: \
615			\
616	llucax	1.23	cppstem (const cppstem &o); \
617	root	1.6	\
618	llucax	1.23	cppstem & operator =(const cppstem &o); \
619	root	1.1	\
620			public:
621
622	root	1.4	#define EV_END_WATCHER(cppstem,cstem) \
623	root	1.6	};
624	root	1.4
625			EV_BEGIN_WATCHER (io, io)
626	llucax	1.30	void set (int fd, int events) EV_THROW ()
627	root	1.1	{
628			int active = is_active ();
629			if (active) stop ();
630			ev_io_set (static_cast<ev_io *>(this), fd, events);
631			if (active) start ();
632			}
633
634	llucax	1.30	void set (int events) EV_THROW ()
635	root	1.1	{
636			int active = is_active ();
637			if (active) stop ();
638			ev_io_set (static_cast<ev_io *>(this), fd, events);
639			if (active) start ();
640			}
641
642	llucax	1.30	void start (int fd, int events) EV_THROW ()
643	root	1.1	{
644			set (fd, events);
645			start ();
646			}
647	root	1.4	EV_END_WATCHER (io, io)
648	root	1.1
649	root	1.4	EV_BEGIN_WATCHER (timer, timer)
650	llucax	1.30	void set (ev_tstamp after, ev_tstamp repeat = 0.) EV_THROW ()
651	root	1.1	{
652			int active = is_active ();
653			if (active) stop ();
654			ev_timer_set (static_cast<ev_timer *>(this), after, repeat);
655			if (active) start ();
656			}
657
658	llucax	1.30	void start (ev_tstamp after, ev_tstamp repeat = 0.) EV_THROW ()
659	root	1.1	{
660			set (after, repeat);
661			start ();
662			}
663
664	llucax	1.30	void again () EV_THROW ()
665	root	1.1	{
666			ev_timer_again (EV_A_ static_cast<ev_timer *>(this));
667			}
668	root	1.4	EV_END_WATCHER (timer, timer)
669	root	1.1
670	root	1.8	#if EV_PERIODIC_ENABLE
671	root	1.4	EV_BEGIN_WATCHER (periodic, periodic)
672	llucax	1.30	void set (ev_tstamp at, ev_tstamp interval = 0.) EV_THROW ()
673	root	1.1	{
674			int active = is_active ();
675			if (active) stop ();
676			ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0);
677			if (active) start ();
678			}
679
680	llucax	1.30	void start (ev_tstamp at, ev_tstamp interval = 0.) EV_THROW ()
681	root	1.1	{
682			set (at, interval);
683			start ();
684			}
685
686	llucax	1.30	void again () EV_THROW ()
687	root	1.1	{
688			ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this));
689			}
690	root	1.4	EV_END_WATCHER (periodic, periodic)
691	root	1.3	#endif
692	root	1.1
693	root	1.4	EV_BEGIN_WATCHER (sig, signal)
694	llucax	1.30	void set (int signum) EV_THROW ()
695	root	1.1	{
696			int active = is_active ();
697			if (active) stop ();
698			ev_signal_set (static_cast<ev_signal *>(this), signum);
699			if (active) start ();
700			}
701
702	llucax	1.30	void start (int signum) EV_THROW ()
703	root	1.1	{
704			set (signum);
705			start ();
706			}
707	root	1.4	EV_END_WATCHER (sig, signal)
708	root	1.1
709	root	1.4	EV_BEGIN_WATCHER (child, child)
710	llucax	1.30	void set (int pid) EV_THROW ()
711	root	1.1	{
712			int active = is_active ();
713			if (active) stop ();
714			ev_child_set (static_cast<ev_child *>(this), pid);
715			if (active) start ();
716			}
717
718	llucax	1.30	void start (int pid) EV_THROW ()
719	root	1.1	{
720			set (pid);
721			start ();
722			}
723	root	1.4	EV_END_WATCHER (child, child)
724	root	1.1
725	root	1.8	#if EV_STAT_ENABLE
726			EV_BEGIN_WATCHER (stat, stat)
727	llucax	1.30	void set (const char *path, ev_tstamp interval = 0.) EV_THROW ()
728	root	1.8	{
729			int active = is_active ();
730			if (active) stop ();
731			ev_stat_set (static_cast<ev_stat *>(this), path, interval);
732			if (active) start ();
733			}
734
735	llucax	1.30	void start (const char *path, ev_tstamp interval = 0.) EV_THROW ()
736	root	1.8	{
737	root	1.12	stop ();
738	root	1.8	set (path, interval);
739			start ();
740			}
741
742	llucax	1.30	void update () EV_THROW ()
743	root	1.8	{
744			ev_stat_stat (EV_A_ static_cast<ev_stat *>(this));
745			}
746			EV_END_WATCHER (stat, stat)
747			#endif
748
749			EV_BEGIN_WATCHER (idle, idle)
750	llucax	1.30	void set () EV_THROW () { }
751	root	1.8	EV_END_WATCHER (idle, idle)
752	root	1.7
753	root	1.8	EV_BEGIN_WATCHER (prepare, prepare)
754	llucax	1.30	void set () EV_THROW () { }
755	root	1.8	EV_END_WATCHER (prepare, prepare)
756
757			EV_BEGIN_WATCHER (check, check)
758	llucax	1.30	void set () EV_THROW () { }
759	root	1.8	EV_END_WATCHER (check, check)
760
761			#if EV_EMBED_ENABLE
762	root	1.7	EV_BEGIN_WATCHER (embed, embed)
763	llucax	1.30	void start (struct ev_loop *embedded_loop) EV_THROW ()
764	root	1.7	{
765	root	1.12	stop ();
766			ev_embed_set (static_cast<ev_embed *>(this), embedded_loop);
767	root	1.7	start ();
768			}
769
770			void sweep ()
771			{
772			ev_embed_sweep (EV_A_ static_cast<ev_embed *>(this));
773			}
774			EV_END_WATCHER (embed, embed)
775			#endif
776
777	root	1.10	#if EV_FORK_ENABLE
778			EV_BEGIN_WATCHER (fork, fork)
779	llucax	1.30	void set () EV_THROW () { }
780	root	1.10	EV_END_WATCHER (fork, fork)
781			#endif
782
783	llucax	1.28	#undef EV_PX
784			#undef EV_PX_
785	root	1.1	#undef EV_CONSTRUCT
786	root	1.4	#undef EV_BEGIN_WATCHER
787	root	1.7	#undef EV_END_WATCHER
788	llucax	1.28
789	root	1.1	}
790
791	llucax	1.30	#undef EV_THROW
792
793	root	1.1	#endif
794