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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 1.41 by root, Tue Sep 30 18:35:47 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,
80 ERROR = EV_ERROR, 77 ERROR = EV_ERROR,
81 }; 78 };
82 79
83 enum 80 enum
84 { 81 {
85 AUTO = EVFLAG_AUTO, 82 AUTO = EVFLAG_AUTO,
86 NOENV = EVFLAG_NOENV, 83 NOENV = EVFLAG_NOENV,
87 FORKCHECK = EVFLAG_FORKCHECK, 84 FORKCHECK = EVFLAG_FORKCHECK,
85
88 SELECT = EVBACKEND_SELECT, 86 SELECT = EVBACKEND_SELECT,
89 POLL = EVBACKEND_POLL, 87 POLL = EVBACKEND_POLL,
90 EPOLL = EVBACKEND_EPOLL, 88 EPOLL = EVBACKEND_EPOLL,
91 KQUEUE = EVBACKEND_KQUEUE, 89 KQUEUE = EVBACKEND_KQUEUE,
92 DEVPOLL = EVBACKEND_DEVPOLL, 90 DEVPOLL = EVBACKEND_DEVPOLL,
93 PORT = EVBACKEND_PORT 91 PORT = EVBACKEND_PORT
94 }; 92 };
95 93
96 enum 94 enum
97 { 95 {
98 NONBLOCK = EVLOOP_NONBLOCK, 96 NONBLOCK = EVLOOP_NONBLOCK,
99 ONESHOT = EVLOOP_ONESHOT 97 ONESHOT = EVLOOP_ONESHOT
100 }; 98 };
101 99
102 enum how_t 100 enum how_t
103 { 101 {
104 ONE = EVUNLOOP_ONE, 102 ONE = EVUNLOOP_ONE,
105 ALL = EVUNLOOP_ALL 103 ALL = EVUNLOOP_ALL
106 }; 104 };
107 105
108#if EV_CXX_EXCEPTIONS 106 struct bad_loop
109 struct bad_loop : std::runtime_error 107#if EV_USE_STDEXCEPT
108 : std::runtime_error
109#endif
110 { 110 {
111#if EV_USE_STDEXCEPT
111 bad_loop () 112 bad_loop ()
112 : std::runtime_error ("loop can't be initialized") 113 : std::runtime_error ("libev event loop cannot be initialized, bad value of LIBEV_FLAGS?")
113 {
114 } 114 {
115 }; 115 }
116#endif 116#endif
117 };
117 118
118#ifdef EV_AX 119#ifdef EV_AX
119# undef EV_AX 120# undef EV_AX
120#endif 121#endif
121 122
… …
131# define EV_AX_ 132# define EV_AX_
132#endif 133#endif
133 134
134 struct loop_ref 135 struct loop_ref
135 { 136 {
136
137 loop_ref (EV_P) 137 loop_ref (EV_P) throw ()
138#if EV_MULTIPLICITY 138#if EV_MULTIPLICITY
139 EV_THROW (bad_loop) : EV_AX (EV_A) 139 : EV_AX (EV_A)
140#endif 140#endif
141 {
142#if EV_MULTIPLICIY && EV_CXX_EXCEPTIONS
143 if (!EV_A)
144 throw bad_loop ();
145#endif
146 } 141 {
142 }
147 143
148 bool operator== (const loop_ref &other) const throw () 144 bool operator == (const loop_ref &other) const throw ()
149 { 145 {
150#if EV_MULTIPLICITY 146#if EV_MULTIPLICITY
151 return this->EV_AX == other.EV_AX; 147 return EV_AX == other.EV_AX;
152#else 148#else
153 return true; 149 return true;
154#endif 150#endif
155 } 151 }
156 152
157 bool operator!= (const loop_ref &other) const throw () 153 bool operator != (const loop_ref &other) const throw ()
158 { 154 {
159#if EV_MULTIPLICITY 155#if EV_MULTIPLICITY
160 return ! (*this == other); 156 return ! (*this == other);
161#else 157#else
162 return false; 158 return false;
163#endif 159#endif
164 } 160 }
165 161
166#if EV_MULTIPLICITY 162#if EV_MULTIPLICITY
167 bool operator== (struct ev_loop *other) const throw () 163 bool operator == (struct ev_loop *other) const throw ()
168 { 164 {
169 return this->EV_AX == other; 165 return this->EV_AX == other;
170 } 166 }
171 167
172 bool operator!= (struct ev_loop *other) const throw () 168 bool operator != (struct ev_loop *other) const throw ()
173 { 169 {
174 return ! (*this == other); 170 return ! (*this == other);
175 } 171 }
176 172
177 bool operator== (const struct ev_loop *other) const throw () 173 bool operator == (const struct ev_loop *other) const throw ()
178 { 174 {
179 return this->EV_AX == other; 175 return this->EV_AX == other;
180 } 176 }
181 177
182 bool operator!= (const struct ev_loop *other) const throw () 178 bool operator != (const struct ev_loop *other) const throw ()
183 { 179 {
184 return (*this == other); 180 return (*this == other);
185 } 181 }
186 182
187 operator struct ev_loop * () const throw () 183 operator struct ev_loop * () const throw ()
… …
343#endif 339#endif
344 340
345 }; 341 };
346 342
347#if EV_MULTIPLICITY 343#if EV_MULTIPLICITY
348 struct dynamic_loop: loop_ref 344 struct dynamic_loop : loop_ref
349 { 345 {
350 346
351 dynamic_loop (unsigned int flags = AUTO) EV_THROW (bad_loop) 347 dynamic_loop (unsigned int flags = AUTO) throw (bad_loop)
352 : loop_ref (ev_loop_new (flags)) 348 : loop_ref (ev_loop_new (flags))
353 { 349 {
350 if (!EV_AX)
351 throw bad_loop ();
354 } 352 }
355 353
356 ~dynamic_loop () throw () 354 ~dynamic_loop () throw ()
357 { 355 {
358 ev_loop_destroy (EV_AX); 356 ev_loop_destroy (EV_AX);
… …
366 dynamic_loop & operator= (const dynamic_loop &); 364 dynamic_loop & operator= (const dynamic_loop &);
367 365
368 }; 366 };
369#endif 367#endif
370 368
371 struct default_loop: loop_ref 369 struct default_loop : loop_ref
372 { 370 {
373
374 default_loop (unsigned int flags = AUTO) EV_THROW (bad_loop) 371 default_loop (unsigned int flags = AUTO) throw (bad_loop)
375#if EV_MULTIPLICITY 372#if EV_MULTIPLICITY
376 : loop_ref (ev_default_loop (flags)) 373 : loop_ref (ev_default_loop (flags))
377 { 374#endif
378 } 375 {
376 if (
377#if EV_MULTIPLICITY
378 !EV_AX
379#else 379#else
380 {
381 #if EV_CXX_EXCEPTIONS
382 int r =
383 #endif
384 ev_default_loop (flags); 380 !ev_default_loop (flags)
385 #if EV_CXX_EXCEPTIONS 381#endif
386 if (!r) 382 )
387 throw bad_loop (); 383 throw bad_loop ();
388 #endif
389 } 384 }
390#endif
391 385
392 ~default_loop () throw () 386 ~default_loop () throw ()
393 { 387 {
394 ev_default_destroy (); 388 ev_default_destroy ();
395#if EV_MULTIPLICITY
396 EV_AX = 0;
397#endif
398 } 389 }
399 390
400 private: 391 private:
401
402 default_loop (const default_loop &); 392 default_loop (const default_loop &);
403
404 default_loop & operator= (const default_loop &); 393 default_loop &operator = (const default_loop &);
405
406 }; 394 };
407 395
408 inline loop_ref get_default_loop () throw () 396 inline loop_ref get_default_loop () throw ()
409 { 397 {
410#if EV_MULTIPLICITY 398#if EV_MULTIPLICITY
… …
575 ev_set_syserr_cb (cb); 563 ev_set_syserr_cb (cb);
576 } 564 }
577 565
578 #if EV_MULTIPLICITY 566 #if EV_MULTIPLICITY
579 #define EV_CONSTRUCT(cppstem,cstem) \ 567 #define EV_CONSTRUCT(cppstem,cstem) \
580 (EV_PX = get_default_loop ()) throw () \ 568 (EV_PX = get_default_loop ()) throw () \
581 : base<ev_ ## cstem, cppstem> (EV_A) \ 569 : base<ev_ ## cstem, cppstem> (EV_A) \
582 { \ 570 { \
583 } 571 }
584 #else 572 #else
585 #define EV_CONSTRUCT(cppstem,cstem) \ 573 #define EV_CONSTRUCT(cppstem,cstem) \
586 () throw () \ 574 () throw () \
587 { \ 575 { \
588 } 576 }
589 #endif 577 #endif
590 578
591 /* using a template here would require quite a bit more lines, 579 /* using a template here would require quite a bit more lines,
592 * so a macro solution was chosen */ 580 * so a macro solution was chosen */
593 #define EV_BEGIN_WATCHER(cppstem,cstem) \ 581 #define EV_BEGIN_WATCHER(cppstem,cstem) \
594 \ 582 \
595 struct cppstem : base<ev_ ## cstem, cppstem> \ 583 struct cppstem : base<ev_ ## cstem, cppstem> \
596 { \ 584 { \
597 void start () throw () \ 585 void start () throw () \
598 { \ 586 { \
599 ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \ 587 ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \
600 } \ 588 } \
601 \ 589 \
602 void stop () throw () \ 590 void stop () throw () \
603 { \ 591 { \
604 ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \ 592 ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \
605 } \ 593 } \
606 \ 594 \
607 cppstem EV_CONSTRUCT(cppstem,cstem) \ 595 cppstem EV_CONSTRUCT(cppstem,cstem) \
608 \ 596 \
609 ~cppstem () throw () \ 597 ~cppstem () throw () \
610 { \ 598 { \
611 stop (); \ 599 stop (); \
612 } \ 600 } \
613 \ 601 \
614 using base<ev_ ## cstem, cppstem>::set; \ 602 using base<ev_ ## cstem, cppstem>::set; \
615 \ 603 \
616 private: \ 604 private: \
617 \ 605 \
618 cppstem (const cppstem &o); \ 606 cppstem (const cppstem &o); \
619 \ 607 \
620 cppstem & operator =(const cppstem &o); \ 608 cppstem &operator =(const cppstem &o); \
621 \ 609 \
622 public: 610 public:
623 611
624 #define EV_END_WATCHER(cppstem,cstem) \ 612 #define EV_END_WATCHER(cppstem,cstem) \
625 }; 613 };
… …
707 start (); 695 start ();
708 } 696 }
709 EV_END_WATCHER (sig, signal) 697 EV_END_WATCHER (sig, signal)
710 698
711 EV_BEGIN_WATCHER (child, child) 699 EV_BEGIN_WATCHER (child, child)
712 void set (int pid) throw () 700 void set (int pid, int trace = 0) throw ()
713 { 701 {
714 int active = is_active (); 702 int active = is_active ();
715 if (active) stop (); 703 if (active) stop ();
716 ev_child_set (static_cast<ev_child *>(this), pid); 704 ev_child_set (static_cast<ev_child *>(this), pid, trace);
717 if (active) start (); 705 if (active) start ();
718 } 706 }
719 707
720 void start (int pid) throw () 708 void start (int pid, int trace = 0) throw ()
721 { 709 {
722 set (pid); 710 set (pid, trace);
723 start (); 711 start ();
724 } 712 }
725 EV_END_WATCHER (child, child) 713 EV_END_WATCHER (child, child)
726 714
727 #if EV_STAT_ENABLE 715 #if EV_STAT_ENABLE
… …
760 void set () throw () { } 748 void set () throw () { }
761 EV_END_WATCHER (check, check) 749 EV_END_WATCHER (check, check)
762 750
763 #if EV_EMBED_ENABLE 751 #if EV_EMBED_ENABLE
764 EV_BEGIN_WATCHER (embed, embed) 752 EV_BEGIN_WATCHER (embed, embed)
753 void set (struct ev_loop *embedded_loop) throw ()
754 {
755 int active = is_active ();
756 if (active) stop ();
757 ev_embed_set (static_cast<ev_embed *>(this), embedded_loop);
758 if (active) start ();
759 }
760
765 void start (struct ev_loop *embedded_loop) throw () 761 void start (struct ev_loop *embedded_loop) throw ()
766 { 762 {
767 stop (); 763 set (embedded_loop);
768 ev_embed_set (static_cast<ev_embed *>(this), embedded_loop);
769 start (); 764 start ();
770 } 765 }
771 766
772 void sweep () 767 void sweep ()
773 { 768 {
… …
780 EV_BEGIN_WATCHER (fork, fork) 775 EV_BEGIN_WATCHER (fork, fork)
781 void set () throw () { } 776 void set () throw () { }
782 EV_END_WATCHER (fork, fork) 777 EV_END_WATCHER (fork, fork)
783 #endif 778 #endif
784 779
780 #if EV_ASYNC_ENABLE
781 EV_BEGIN_WATCHER (async, async)
782 void set () throw () { }
783
784 void send () throw ()
785 {
786 ev_async_send (EV_A_ static_cast<ev_async *>(this));
787 }
788
789 bool async_pending () throw ()
790 {
791 return ev_async_pending (static_cast<ev_async *>(this));
792 }
793 EV_END_WATCHER (async, async)
794 #endif
795
785 #undef EV_PX 796 #undef EV_PX
786 #undef EV_PX_ 797 #undef EV_PX_
787 #undef EV_CONSTRUCT 798 #undef EV_CONSTRUCT
788 #undef EV_BEGIN_WATCHER 799 #undef EV_BEGIN_WATCHER
789 #undef EV_END_WATCHER 800 #undef EV_END_WATCHER
790
791} 801}
792 802
793#undef EV_THROW
794
795#endif 803#endif
796 804

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