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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 1.43 by root, Wed Nov 5 14:36:18 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;
64 60
65 enum { 61 enum
62 {
66 UNDEF = EV_UNDEF, 63 UNDEF = EV_UNDEF,
67 NONE = EV_NONE, 64 NONE = EV_NONE,
68 READ = EV_READ, 65 READ = EV_READ,
69 WRITE = EV_WRITE, 66 WRITE = EV_WRITE,
70 TIMEOUT = EV_TIMEOUT, 67 TIMEOUT = EV_TIMEOUT,
… …
74 STAT = EV_STAT, 71 STAT = EV_STAT,
75 IDLE = EV_IDLE, 72 IDLE = EV_IDLE,
76 CHECK = EV_CHECK, 73 CHECK = EV_CHECK,
77 PREPARE = EV_PREPARE, 74 PREPARE = EV_PREPARE,
78 FORK = EV_FORK, 75 FORK = EV_FORK,
76 ASYNC = EV_ASYNC,
79 EMBED = EV_EMBED, 77 EMBED = EV_EMBED,
78# undef ERROR // some systems stupidly #define ERROR
80 ERROR = EV_ERROR, 79 ERROR = EV_ERROR,
81 }; 80 };
82 81
83 enum 82 enum
84 { 83 {
85 AUTO = EVFLAG_AUTO, 84 AUTO = EVFLAG_AUTO,
86 NOENV = EVFLAG_NOENV, 85 NOENV = EVFLAG_NOENV,
87 FORKCHECK = EVFLAG_FORKCHECK, 86 FORKCHECK = EVFLAG_FORKCHECK,
87
88 SELECT = EVBACKEND_SELECT, 88 SELECT = EVBACKEND_SELECT,
89 POLL = EVBACKEND_POLL, 89 POLL = EVBACKEND_POLL,
90 EPOLL = EVBACKEND_EPOLL, 90 EPOLL = EVBACKEND_EPOLL,
91 KQUEUE = EVBACKEND_KQUEUE, 91 KQUEUE = EVBACKEND_KQUEUE,
92 DEVPOLL = EVBACKEND_DEVPOLL, 92 DEVPOLL = EVBACKEND_DEVPOLL,
93 PORT = EVBACKEND_PORT 93 PORT = EVBACKEND_PORT
94 }; 94 };
95 95
96 enum 96 enum
97 { 97 {
98 NONBLOCK = EVLOOP_NONBLOCK, 98 NONBLOCK = EVLOOP_NONBLOCK,
99 ONESHOT = EVLOOP_ONESHOT 99 ONESHOT = EVLOOP_ONESHOT
100 }; 100 };
101 101
102 enum how_t 102 enum how_t
103 { 103 {
104 ONE = EVUNLOOP_ONE, 104 ONE = EVUNLOOP_ONE,
105 ALL = EVUNLOOP_ALL 105 ALL = EVUNLOOP_ALL
106 }; 106 };
107 107
108#if EV_CXX_EXCEPTIONS 108 struct bad_loop
109 struct bad_loop : std::runtime_error 109#if EV_USE_STDEXCEPT
110 : std::runtime_error
111#endif
110 { 112 {
113#if EV_USE_STDEXCEPT
111 bad_loop () 114 bad_loop ()
112 : std::runtime_error ("loop can't be initialized") 115 : std::runtime_error ("libev event loop cannot be initialized, bad value of LIBEV_FLAGS?")
113 {
114 } 116 {
115 }; 117 }
116#endif 118#endif
119 };
117 120
118#ifdef EV_AX 121#ifdef EV_AX
119# undef EV_AX 122# undef EV_AX
120#endif 123#endif
121 124
… …
131# define EV_AX_ 134# define EV_AX_
132#endif 135#endif
133 136
134 struct loop_ref 137 struct loop_ref
135 { 138 {
136
137 loop_ref (EV_P) 139 loop_ref (EV_P) throw ()
138#if EV_MULTIPLICITY 140#if EV_MULTIPLICITY
139 EV_THROW (bad_loop) : EV_AX (EV_A) 141 : EV_AX (EV_A)
140#endif 142#endif
141 {
142#if EV_MULTIPLICIY && EV_CXX_EXCEPTIONS
143 if (!EV_A)
144 throw bad_loop ();
145#endif
146 } 143 {
144 }
147 145
148 bool operator== (const loop_ref &other) const throw () 146 bool operator == (const loop_ref &other) const throw ()
149 { 147 {
150#if EV_MULTIPLICITY 148#if EV_MULTIPLICITY
151 return this->EV_AX == other.EV_AX; 149 return EV_AX == other.EV_AX;
152#else 150#else
153 return true; 151 return true;
154#endif 152#endif
155 } 153 }
156 154
157 bool operator!= (const loop_ref &other) const throw () 155 bool operator != (const loop_ref &other) const throw ()
158 { 156 {
159#if EV_MULTIPLICITY 157#if EV_MULTIPLICITY
160 return ! (*this == other); 158 return ! (*this == other);
161#else 159#else
162 return false; 160 return false;
163#endif 161#endif
164 } 162 }
165 163
166#if EV_MULTIPLICITY 164#if EV_MULTIPLICITY
167 bool operator== (struct ev_loop *other) const throw () 165 bool operator == (struct ev_loop *other) const throw ()
168 { 166 {
169 return this->EV_AX == other; 167 return this->EV_AX == other;
170 } 168 }
171 169
172 bool operator!= (struct ev_loop *other) const throw () 170 bool operator != (struct ev_loop *other) const throw ()
173 { 171 {
174 return ! (*this == other); 172 return ! (*this == other);
175 } 173 }
176 174
177 bool operator== (const struct ev_loop *other) const throw () 175 bool operator == (const struct ev_loop *other) const throw ()
178 { 176 {
179 return this->EV_AX == other; 177 return this->EV_AX == other;
180 } 178 }
181 179
182 bool operator!= (const struct ev_loop *other) const throw () 180 bool operator != (const struct ev_loop *other) const throw ()
183 { 181 {
184 return (*this == other); 182 return (*this == other);
185 } 183 }
186 184
187 operator struct ev_loop * () const throw () 185 operator struct ev_loop * () const throw ()
… …
343#endif 341#endif
344 342
345 }; 343 };
346 344
347#if EV_MULTIPLICITY 345#if EV_MULTIPLICITY
348 struct dynamic_loop: loop_ref 346 struct dynamic_loop : loop_ref
349 { 347 {
350 348
351 dynamic_loop (unsigned int flags = AUTO) EV_THROW (bad_loop) 349 dynamic_loop (unsigned int flags = AUTO) throw (bad_loop)
352 : loop_ref (ev_loop_new (flags)) 350 : loop_ref (ev_loop_new (flags))
353 { 351 {
352 if (!EV_AX)
353 throw bad_loop ();
354 } 354 }
355 355
356 ~dynamic_loop () throw () 356 ~dynamic_loop () throw ()
357 { 357 {
358 ev_loop_destroy (EV_AX); 358 ev_loop_destroy (EV_AX);
… …
366 dynamic_loop & operator= (const dynamic_loop &); 366 dynamic_loop & operator= (const dynamic_loop &);
367 367
368 }; 368 };
369#endif 369#endif
370 370
371 struct default_loop: loop_ref 371 struct default_loop : loop_ref
372 { 372 {
373
374 default_loop (unsigned int flags = AUTO) EV_THROW (bad_loop) 373 default_loop (unsigned int flags = AUTO) throw (bad_loop)
375#if EV_MULTIPLICITY 374#if EV_MULTIPLICITY
376 : loop_ref (ev_default_loop (flags)) 375 : loop_ref (ev_default_loop (flags))
377 { 376#endif
378 } 377 {
378 if (
379#if EV_MULTIPLICITY
380 !EV_AX
379#else 381#else
380 {
381 #if EV_CXX_EXCEPTIONS
382 int r =
383 #endif
384 ev_default_loop (flags); 382 !ev_default_loop (flags)
385 #if EV_CXX_EXCEPTIONS 383#endif
386 if (!r) 384 )
387 throw bad_loop (); 385 throw bad_loop ();
388 #endif
389 } 386 }
390#endif
391 387
392 ~default_loop () throw () 388 ~default_loop () throw ()
393 { 389 {
394 ev_default_destroy (); 390 ev_default_destroy ();
395#if EV_MULTIPLICITY
396 EV_AX = 0;
397#endif
398 } 391 }
399 392
400 private: 393 private:
401
402 default_loop (const default_loop &); 394 default_loop (const default_loop &);
403
404 default_loop & operator= (const default_loop &); 395 default_loop &operator = (const default_loop &);
405
406 }; 396 };
407 397
408 inline loop_ref get_default_loop () throw () 398 inline loop_ref get_default_loop () throw ()
409 { 399 {
410#if EV_MULTIPLICITY 400#if EV_MULTIPLICITY
… …
575 ev_set_syserr_cb (cb); 565 ev_set_syserr_cb (cb);
576 } 566 }
577 567
578 #if EV_MULTIPLICITY 568 #if EV_MULTIPLICITY
579 #define EV_CONSTRUCT(cppstem,cstem) \ 569 #define EV_CONSTRUCT(cppstem,cstem) \
580 (EV_PX = get_default_loop ()) throw () \ 570 (EV_PX = get_default_loop ()) throw () \
581 : base<ev_ ## cstem, cppstem> (EV_A) \ 571 : base<ev_ ## cstem, cppstem> (EV_A) \
582 { \ 572 { \
583 } 573 }
584 #else 574 #else
585 #define EV_CONSTRUCT(cppstem,cstem) \ 575 #define EV_CONSTRUCT(cppstem,cstem) \
586 () throw () \ 576 () throw () \
587 { \ 577 { \
588 } 578 }
589 #endif 579 #endif
590 580
591 /* using a template here would require quite a bit more lines, 581 /* using a template here would require quite a bit more lines,
592 * so a macro solution was chosen */ 582 * so a macro solution was chosen */
593 #define EV_BEGIN_WATCHER(cppstem,cstem) \ 583 #define EV_BEGIN_WATCHER(cppstem,cstem) \
594 \ 584 \
595 struct cppstem : base<ev_ ## cstem, cppstem> \ 585 struct cppstem : base<ev_ ## cstem, cppstem> \
596 { \ 586 { \
597 void start () throw () \ 587 void start () throw () \
598 { \ 588 { \
599 ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \ 589 ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \
600 } \ 590 } \
601 \ 591 \
602 void stop () throw () \ 592 void stop () throw () \
603 { \ 593 { \
604 ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \ 594 ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \
605 } \ 595 } \
606 \ 596 \
607 cppstem EV_CONSTRUCT(cppstem,cstem) \ 597 cppstem EV_CONSTRUCT(cppstem,cstem) \
608 \ 598 \
609 ~cppstem () throw () \ 599 ~cppstem () throw () \
610 { \ 600 { \
611 stop (); \ 601 stop (); \
612 } \ 602 } \
613 \ 603 \
614 using base<ev_ ## cstem, cppstem>::set; \ 604 using base<ev_ ## cstem, cppstem>::set; \
615 \ 605 \
616 private: \ 606 private: \
617 \ 607 \
618 cppstem (const cppstem &o); \ 608 cppstem (const cppstem &o); \
619 \ 609 \
620 cppstem & operator =(const cppstem &o); \ 610 cppstem &operator =(const cppstem &o); \
621 \ 611 \
622 public: 612 public:
623 613
624 #define EV_END_WATCHER(cppstem,cstem) \ 614 #define EV_END_WATCHER(cppstem,cstem) \
625 }; 615 };
… …
707 start (); 697 start ();
708 } 698 }
709 EV_END_WATCHER (sig, signal) 699 EV_END_WATCHER (sig, signal)
710 700
711 EV_BEGIN_WATCHER (child, child) 701 EV_BEGIN_WATCHER (child, child)
712 void set (int pid) throw () 702 void set (int pid, int trace = 0) throw ()
713 { 703 {
714 int active = is_active (); 704 int active = is_active ();
715 if (active) stop (); 705 if (active) stop ();
716 ev_child_set (static_cast<ev_child *>(this), pid); 706 ev_child_set (static_cast<ev_child *>(this), pid, trace);
717 if (active) start (); 707 if (active) start ();
718 } 708 }
719 709
720 void start (int pid) throw () 710 void start (int pid, int trace = 0) throw ()
721 { 711 {
722 set (pid); 712 set (pid, trace);
723 start (); 713 start ();
724 } 714 }
725 EV_END_WATCHER (child, child) 715 EV_END_WATCHER (child, child)
726 716
727 #if EV_STAT_ENABLE 717 #if EV_STAT_ENABLE
… …
760 void set () throw () { } 750 void set () throw () { }
761 EV_END_WATCHER (check, check) 751 EV_END_WATCHER (check, check)
762 752
763 #if EV_EMBED_ENABLE 753 #if EV_EMBED_ENABLE
764 EV_BEGIN_WATCHER (embed, embed) 754 EV_BEGIN_WATCHER (embed, embed)
755 void set (struct ev_loop *embedded_loop) throw ()
756 {
757 int active = is_active ();
758 if (active) stop ();
759 ev_embed_set (static_cast<ev_embed *>(this), embedded_loop);
760 if (active) start ();
761 }
762
765 void start (struct ev_loop *embedded_loop) throw () 763 void start (struct ev_loop *embedded_loop) throw ()
766 { 764 {
767 stop (); 765 set (embedded_loop);
768 ev_embed_set (static_cast<ev_embed *>(this), embedded_loop);
769 start (); 766 start ();
770 } 767 }
771 768
772 void sweep () 769 void sweep ()
773 { 770 {
… …
780 EV_BEGIN_WATCHER (fork, fork) 777 EV_BEGIN_WATCHER (fork, fork)
781 void set () throw () { } 778 void set () throw () { }
782 EV_END_WATCHER (fork, fork) 779 EV_END_WATCHER (fork, fork)
783 #endif 780 #endif
784 781
782 #if EV_ASYNC_ENABLE
783 EV_BEGIN_WATCHER (async, async)
784 void set () throw () { }
785
786 void send () throw ()
787 {
788 ev_async_send (EV_A_ static_cast<ev_async *>(this));
789 }
790
791 bool async_pending () throw ()
792 {
793 return ev_async_pending (static_cast<ev_async *>(this));
794 }
795 EV_END_WATCHER (async, async)
796 #endif
797
785 #undef EV_PX 798 #undef EV_PX
786 #undef EV_PX_ 799 #undef EV_PX_
787 #undef EV_CONSTRUCT 800 #undef EV_CONSTRUCT
788 #undef EV_BEGIN_WATCHER 801 #undef EV_BEGIN_WATCHER
789 #undef EV_END_WATCHER 802 #undef EV_END_WATCHER
790
791} 803}
792 804
793#undef EV_THROW
794
795#endif 805#endif
796 806

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