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Comparing libev/ev++.h (file contents):
Revision 1.31 by root, Sat Jan 19 00:39:38 2008 UTC vs.
Revision 1.42 by root, Mon Nov 3 14:27:06 2008 UTC

1/* 1/*
2 * libev simple C++ wrapper classes 2 * libev simple C++ wrapper classes
3 * 3 *
4 * Copyright (c) 2007 Marc Alexander Lehmann <libev@schmorp.de> 4 * Copyright (c) 2007,2008 Marc Alexander Lehmann <libev@schmorp.de>
5 * All rights reserved. 5 * All rights reserved.
6 * 6 *
7 * Redistribution and use in source and binary forms, with or without modifica- 7 * Redistribution and use in source and binary forms, with or without modifica-
8 * tion, are permitted provided that the following conditions are met: 8 * tion, are permitted provided that the following conditions are met:
9 * 9 *
… …
44# include EV_H 44# include EV_H
45#else 45#else
46# include "ev.h" 46# include "ev.h"
47#endif 47#endif
48 48
49#ifndef EV_CXX_EXCEPTIONS 49#ifndef EV_USE_STDEXCEPT
50#define EV_CXX_EXCEPTIONS 1 50# define EV_USE_STDEXCEPT 1
51#endif 51#endif
52 52
53#undef EV_THROW 53#if EV_USE_STDEXCEPT
54#if EV_CXX_EXCEPTIONS
55# include <stdexcept> 54# include <stdexcept>
56# define EV_THROW(exception) throw (exception)
57#else
58# define EV_THROW(exception)
59#endif 55#endif
60 56
61namespace ev { 57namespace ev {
62 58
63 typedef ev_tstamp tstamp; 59 typedef ev_tstamp tstamp;
… …
74 STAT = EV_STAT, 70 STAT = EV_STAT,
75 IDLE = EV_IDLE, 71 IDLE = EV_IDLE,
76 CHECK = EV_CHECK, 72 CHECK = EV_CHECK,
77 PREPARE = EV_PREPARE, 73 PREPARE = EV_PREPARE,
78 FORK = EV_FORK, 74 FORK = EV_FORK,
75 ASYNC = EV_ASYNC,
79 EMBED = EV_EMBED, 76 EMBED = EV_EMBED,
77# undef ERROR // some systems stupidly #define ERROR
80 ERROR = EV_ERROR, 78 ERROR = EV_ERROR,
81 }; 79 };
82 80
83 enum 81 enum
84 { 82 {
85 AUTO = EVFLAG_AUTO, 83 AUTO = EVFLAG_AUTO,
86 NOENV = EVFLAG_NOENV, 84 NOENV = EVFLAG_NOENV,
87 FORKCHECK = EVFLAG_FORKCHECK, 85 FORKCHECK = EVFLAG_FORKCHECK,
86
88 SELECT = EVBACKEND_SELECT, 87 SELECT = EVBACKEND_SELECT,
89 POLL = EVBACKEND_POLL, 88 POLL = EVBACKEND_POLL,
90 EPOLL = EVBACKEND_EPOLL, 89 EPOLL = EVBACKEND_EPOLL,
91 KQUEUE = EVBACKEND_KQUEUE, 90 KQUEUE = EVBACKEND_KQUEUE,
92 DEVPOLL = EVBACKEND_DEVPOLL, 91 DEVPOLL = EVBACKEND_DEVPOLL,
93 PORT = EVBACKEND_PORT 92 PORT = EVBACKEND_PORT
94 }; 93 };
95 94
96 enum 95 enum
97 { 96 {
98 NONBLOCK = EVLOOP_NONBLOCK, 97 NONBLOCK = EVLOOP_NONBLOCK,
99 ONESHOT = EVLOOP_ONESHOT 98 ONESHOT = EVLOOP_ONESHOT
100 }; 99 };
101 100
102 enum how_t 101 enum how_t
103 { 102 {
104 ONE = EVUNLOOP_ONE, 103 ONE = EVUNLOOP_ONE,
105 ALL = EVUNLOOP_ALL 104 ALL = EVUNLOOP_ALL
106 }; 105 };
107 106
108#if EV_CXX_EXCEPTIONS 107 struct bad_loop
109 struct bad_loop : std::runtime_error 108#if EV_USE_STDEXCEPT
109 : std::runtime_error
110#endif
110 { 111 {
112#if EV_USE_STDEXCEPT
111 bad_loop () 113 bad_loop ()
112 : std::runtime_error ("loop can't be initialized") 114 : std::runtime_error ("libev event loop cannot be initialized, bad value of LIBEV_FLAGS?")
113 {
114 } 115 {
115 }; 116 }
116#endif 117#endif
118 };
117 119
118#ifdef EV_AX 120#ifdef EV_AX
119# undef EV_AX 121# undef EV_AX
120#endif 122#endif
121 123
… …
131# define EV_AX_ 133# define EV_AX_
132#endif 134#endif
133 135
134 struct loop_ref 136 struct loop_ref
135 { 137 {
136
137 loop_ref (EV_P) 138 loop_ref (EV_P) throw ()
138#if EV_MULTIPLICITY 139#if EV_MULTIPLICITY
139 EV_THROW (bad_loop) : EV_AX (EV_A) 140 : EV_AX (EV_A)
140#endif 141#endif
141 {
142#if EV_MULTIPLICIY && EV_CXX_EXCEPTIONS
143 if (!EV_A)
144 throw bad_loop ();
145#endif
146 } 142 {
143 }
147 144
148 bool operator== (const loop_ref &other) const throw () 145 bool operator == (const loop_ref &other) const throw ()
149 { 146 {
150#if EV_MULTIPLICITY 147#if EV_MULTIPLICITY
151 return this->EV_AX == other.EV_AX; 148 return EV_AX == other.EV_AX;
152#else 149#else
153 return true; 150 return true;
154#endif 151#endif
155 } 152 }
156 153
157 bool operator!= (const loop_ref &other) const throw () 154 bool operator != (const loop_ref &other) const throw ()
158 { 155 {
159#if EV_MULTIPLICITY 156#if EV_MULTIPLICITY
160 return ! (*this == other); 157 return ! (*this == other);
161#else 158#else
162 return false; 159 return false;
163#endif 160#endif
164 } 161 }
165 162
166#if EV_MULTIPLICITY 163#if EV_MULTIPLICITY
167 bool operator== (struct ev_loop *other) const throw () 164 bool operator == (struct ev_loop *other) const throw ()
168 { 165 {
169 return this->EV_AX == other; 166 return this->EV_AX == other;
170 } 167 }
171 168
172 bool operator!= (struct ev_loop *other) const throw () 169 bool operator != (struct ev_loop *other) const throw ()
173 { 170 {
174 return ! (*this == other); 171 return ! (*this == other);
175 } 172 }
176 173
177 bool operator== (const struct ev_loop *other) const throw () 174 bool operator == (const struct ev_loop *other) const throw ()
178 { 175 {
179 return this->EV_AX == other; 176 return this->EV_AX == other;
180 } 177 }
181 178
182 bool operator!= (const struct ev_loop *other) const throw () 179 bool operator != (const struct ev_loop *other) const throw ()
183 { 180 {
184 return (*this == other); 181 return (*this == other);
185 } 182 }
186 183
187 operator struct ev_loop * () const throw () 184 operator struct ev_loop * () const throw ()
… …
343#endif 340#endif
344 341
345 }; 342 };
346 343
347#if EV_MULTIPLICITY 344#if EV_MULTIPLICITY
348 struct dynamic_loop: loop_ref 345 struct dynamic_loop : loop_ref
349 { 346 {
350 347
351 dynamic_loop (unsigned int flags = AUTO) EV_THROW (bad_loop) 348 dynamic_loop (unsigned int flags = AUTO) throw (bad_loop)
352 : loop_ref (ev_loop_new (flags)) 349 : loop_ref (ev_loop_new (flags))
353 { 350 {
351 if (!EV_AX)
352 throw bad_loop ();
354 } 353 }
355 354
356 ~dynamic_loop () throw () 355 ~dynamic_loop () throw ()
357 { 356 {
358 ev_loop_destroy (EV_AX); 357 ev_loop_destroy (EV_AX);
… …
366 dynamic_loop & operator= (const dynamic_loop &); 365 dynamic_loop & operator= (const dynamic_loop &);
367 366
368 }; 367 };
369#endif 368#endif
370 369
371 struct default_loop: loop_ref 370 struct default_loop : loop_ref
372 { 371 {
373
374 default_loop (unsigned int flags = AUTO) EV_THROW (bad_loop) 372 default_loop (unsigned int flags = AUTO) throw (bad_loop)
375#if EV_MULTIPLICITY 373#if EV_MULTIPLICITY
376 : loop_ref (ev_default_loop (flags)) 374 : loop_ref (ev_default_loop (flags))
377 { 375#endif
378 } 376 {
377 if (
378#if EV_MULTIPLICITY
379 !EV_AX
379#else 380#else
380 {
381 #if EV_CXX_EXCEPTIONS
382 int r =
383 #endif
384 ev_default_loop (flags); 381 !ev_default_loop (flags)
385 #if EV_CXX_EXCEPTIONS 382#endif
386 if (!r) 383 )
387 throw bad_loop (); 384 throw bad_loop ();
388 #endif
389 } 385 }
390#endif
391 386
392 ~default_loop () throw () 387 ~default_loop () throw ()
393 { 388 {
394 ev_default_destroy (); 389 ev_default_destroy ();
395#if EV_MULTIPLICITY
396 EV_AX = 0;
397#endif
398 } 390 }
399 391
400 private: 392 private:
401
402 default_loop (const default_loop &); 393 default_loop (const default_loop &);
403
404 default_loop & operator= (const default_loop &); 394 default_loop &operator = (const default_loop &);
405
406 }; 395 };
407 396
408 inline loop_ref get_default_loop () throw () 397 inline loop_ref get_default_loop () throw ()
409 { 398 {
410#if EV_MULTIPLICITY 399#if EV_MULTIPLICITY
… …
575 ev_set_syserr_cb (cb); 564 ev_set_syserr_cb (cb);
576 } 565 }
577 566
578 #if EV_MULTIPLICITY 567 #if EV_MULTIPLICITY
579 #define EV_CONSTRUCT(cppstem,cstem) \ 568 #define EV_CONSTRUCT(cppstem,cstem) \
580 (EV_PX = get_default_loop ()) throw () \ 569 (EV_PX = get_default_loop ()) throw () \
581 : base<ev_ ## cstem, cppstem> (EV_A) \ 570 : base<ev_ ## cstem, cppstem> (EV_A) \
582 { \ 571 { \
583 } 572 }
584 #else 573 #else
585 #define EV_CONSTRUCT(cppstem,cstem) \ 574 #define EV_CONSTRUCT(cppstem,cstem) \
586 () throw () \ 575 () throw () \
587 { \ 576 { \
588 } 577 }
589 #endif 578 #endif
590 579
591 /* using a template here would require quite a bit more lines, 580 /* using a template here would require quite a bit more lines,
592 * so a macro solution was chosen */ 581 * so a macro solution was chosen */
593 #define EV_BEGIN_WATCHER(cppstem,cstem) \ 582 #define EV_BEGIN_WATCHER(cppstem,cstem) \
594 \ 583 \
595 struct cppstem : base<ev_ ## cstem, cppstem> \ 584 struct cppstem : base<ev_ ## cstem, cppstem> \
596 { \ 585 { \
597 void start () throw () \ 586 void start () throw () \
598 { \ 587 { \
599 ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \ 588 ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \
600 } \ 589 } \
601 \ 590 \
602 void stop () throw () \ 591 void stop () throw () \
603 { \ 592 { \
604 ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \ 593 ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \
605 } \ 594 } \
606 \ 595 \
607 cppstem EV_CONSTRUCT(cppstem,cstem) \ 596 cppstem EV_CONSTRUCT(cppstem,cstem) \
608 \ 597 \
609 ~cppstem () throw () \ 598 ~cppstem () throw () \
610 { \ 599 { \
611 stop (); \ 600 stop (); \
612 } \ 601 } \
613 \ 602 \
614 using base<ev_ ## cstem, cppstem>::set; \ 603 using base<ev_ ## cstem, cppstem>::set; \
615 \ 604 \
616 private: \ 605 private: \
617 \ 606 \
618 cppstem (const cppstem &o); \ 607 cppstem (const cppstem &o); \
619 \ 608 \
620 cppstem & operator =(const cppstem &o); \ 609 cppstem &operator =(const cppstem &o); \
621 \ 610 \
622 public: 611 public:
623 612
624 #define EV_END_WATCHER(cppstem,cstem) \ 613 #define EV_END_WATCHER(cppstem,cstem) \
625 }; 614 };
… …
707 start (); 696 start ();
708 } 697 }
709 EV_END_WATCHER (sig, signal) 698 EV_END_WATCHER (sig, signal)
710 699
711 EV_BEGIN_WATCHER (child, child) 700 EV_BEGIN_WATCHER (child, child)
712 void set (int pid) throw () 701 void set (int pid, int trace = 0) throw ()
713 { 702 {
714 int active = is_active (); 703 int active = is_active ();
715 if (active) stop (); 704 if (active) stop ();
716 ev_child_set (static_cast<ev_child *>(this), pid); 705 ev_child_set (static_cast<ev_child *>(this), pid, trace);
717 if (active) start (); 706 if (active) start ();
718 } 707 }
719 708
720 void start (int pid) throw () 709 void start (int pid, int trace = 0) throw ()
721 { 710 {
722 set (pid); 711 set (pid, trace);
723 start (); 712 start ();
724 } 713 }
725 EV_END_WATCHER (child, child) 714 EV_END_WATCHER (child, child)
726 715
727 #if EV_STAT_ENABLE 716 #if EV_STAT_ENABLE
… …
760 void set () throw () { } 749 void set () throw () { }
761 EV_END_WATCHER (check, check) 750 EV_END_WATCHER (check, check)
762 751
763 #if EV_EMBED_ENABLE 752 #if EV_EMBED_ENABLE
764 EV_BEGIN_WATCHER (embed, embed) 753 EV_BEGIN_WATCHER (embed, embed)
754 void set (struct ev_loop *embedded_loop) throw ()
755 {
756 int active = is_active ();
757 if (active) stop ();
758 ev_embed_set (static_cast<ev_embed *>(this), embedded_loop);
759 if (active) start ();
760 }
761
765 void start (struct ev_loop *embedded_loop) throw () 762 void start (struct ev_loop *embedded_loop) throw ()
766 { 763 {
767 stop (); 764 set (embedded_loop);
768 ev_embed_set (static_cast<ev_embed *>(this), embedded_loop);
769 start (); 765 start ();
770 } 766 }
771 767
772 void sweep () 768 void sweep ()
773 { 769 {
… …
780 EV_BEGIN_WATCHER (fork, fork) 776 EV_BEGIN_WATCHER (fork, fork)
781 void set () throw () { } 777 void set () throw () { }
782 EV_END_WATCHER (fork, fork) 778 EV_END_WATCHER (fork, fork)
783 #endif 779 #endif
784 780
781 #if EV_ASYNC_ENABLE
782 EV_BEGIN_WATCHER (async, async)
783 void set () throw () { }
784
785 void send () throw ()
786 {
787 ev_async_send (EV_A_ static_cast<ev_async *>(this));
788 }
789
790 bool async_pending () throw ()
791 {
792 return ev_async_pending (static_cast<ev_async *>(this));
793 }
794 EV_END_WATCHER (async, async)
795 #endif
796
785 #undef EV_PX 797 #undef EV_PX
786 #undef EV_PX_ 798 #undef EV_PX_
787 #undef EV_CONSTRUCT 799 #undef EV_CONSTRUCT
788 #undef EV_BEGIN_WATCHER 800 #undef EV_BEGIN_WATCHER
789 #undef EV_END_WATCHER 801 #undef EV_END_WATCHER
790
791} 802}
792 803
793#undef EV_THROW
794
795#endif 804#endif
796 805

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