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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.16 by root, Wed Aug 30 16:30:37 2006 UTC vs.
Revision 1.97 by root, Thu May 8 20:03:50 2008 UTC

1/*
2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 *
4 * Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
6 * Copyright (©) 1992,2007 Frank Tore Johansen
7 *
8 * Deliantra is free software: you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation, either version 3 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program. If not, see <http://www.gnu.org/licenses/>.
20 *
21 * The authors can be reached via e-mail to <support@deliantra.net>
22 */
23
1// 24//
2// cfperl.h perl interface 25// cfperl.h perl interface
3// 26//
4#ifndef CFPERL_H__ 27#ifndef CFPERL_H__
5#define CFPERL_H__ 28#define CFPERL_H__
6 29
30#include <cstdarg>
7#include <cstdio> 31#include <cstdio>
32#include <bitset>
8 33
9using namespace std; 34using namespace std;
10 35
11#include <EXTERN.h> 36#include <EXTERN.h>
12#include <perl.h> 37#include <perl.h>
38#include <XSUB.h>
39
40#include <EVAPI.h>
41#include <CoroAPI.h>
42
43#include "util.h"
44#include "keyword.h"
45#include "dynbuf.h"
46#include "callback.h"
47
48//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
13 49
14// optimisations/workaround for functions requiring my_perl in scope (anti-bloat) 50// optimisations/workaround for functions requiring my_perl in scope (anti-bloat)
15#undef localtime 51#undef localtime
16#undef srand48 52#undef srand48
17#undef drand48 53#undef drand48
19#undef readdir 55#undef readdir
20#undef getprotobyname 56#undef getprotobyname
21#undef gethostbyname 57#undef gethostbyname
22#undef ctime 58#undef ctime
23#undef strerror 59#undef strerror
60#undef _
61
62// same here, massive symbol spamming
63#undef do_open
64#undef do_close
65#undef ref
66#undef seed
24 67
25// perl bug #40256: perl does overwrite those with reentrant versions 68// perl bug #40256: perl does overwrite those with reentrant versions
26// but does not initialise their state structures. 69// but does not initialise their state structures.
27#undef random 70#undef random
28#undef crypt 71#undef crypt
29 72
30struct pl; 73//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
31struct object; 74
32struct mapstruct; 75#define _(msg) (msg)
76#define N_(msg) (msg)
77
78//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
79
80// some macros to simplify perl in-calls
81
82#define CHECK_ERROR \
83 if (SvTRUE (ERRSV)) \
84 LOG (llevError, "runtime error in %s: %s", __func__, SvPVutf8_nolen (ERRSV));
85
86#define CALL_BEGIN(args) dSP; ENTER; SAVETMPS; PUSHMARK (SP); EXTEND (SP, args)
87#define CALL_ARG_SV(sv) PUSHs (sv_2mortal (sv)) // separate because no refcount inc
88#define CALL_ARG(expr) PUSHs (sv_2mortal (to_sv (expr)))
89#define CALL_CALL(name, flags) PUTBACK; int count = call_pv (name, (flags) | G_EVAL); SPAGAIN;
90#define CALL_END CHECK_ERROR; FREETMPS; LEAVE
91
92//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
33 93
34void cfperl_init (); 94void cfperl_init ();
35void cfperl_boot ();
36void cfperl_main (); 95void cfperl_main ();
96void cfperl_tick ();
97void cfperl_emergency_save ();
98void cfperl_cleanup (int make_core);
99void cfperl_make_book (object *book, int level);
100void cfperl_expand_cfpod (player *pl, std::string &msg);
101void cfperl_send_msg (client *ns, int color, const char *type, const char *msg);
102int cfperl_can_merge (object *ob1, object *ob2);
37 103
38// could have used templates, but a more traditional C api 104//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
39// uses more explicit typing which is ok for this purpose.
40enum data_type
41{
42 DT_END, // no further arguments
43 DT_AV, // perl-only av that needs to be flattened out
44 DT_INT,
45 DT_INT64,
46 DT_DOUBLE,
47 DT_STRING, // 0-terminated string
48 DT_DATA, // string + length
49 DT_OBJECT,
50 DT_MAP,
51 DT_PLAYER,
52 DT_ARCH,
53 DT_PARTY,
54 DT_REGION,
55 105
56 NUM_DATA_TYPES 106#if IVSIZE >= 8
57}; 107 typedef IV val64;
108 typedef IV uval64;
109# define newSVval64 newSViv
110# define SvVAL64 SvIV
111# define newSVuval64 newSVuv
112# define SvUVAL64 SvUV
113#else
114 typedef double val64;
115 typedef double uval64;
116# define newSVval64 newSVnv
117# define SvVAL64 SvNV
118# define newSVuval64 newSVnv
119# define SvUVAL64 SvNV
120#endif
121
122extern tstamp runtime; // virtual server time, excluding time jumps and lag
123extern tstamp NOW; // real time of current server tick
58 124
59enum event_klass 125enum event_klass
60{ 126{
61 KLASS_NONE, 127 KLASS_NONE,
62 KLASS_GLOBAL, 128 KLASS_GLOBAL,
129 KLASS_ATTACHABLE,
130 KLASS_CLIENT,
63 KLASS_PLAYER, 131 KLASS_PLAYER,
64 KLASS_OBJECT, 132 KLASS_OBJECT,
65 KLASS_MAP, 133 KLASS_MAP,
134 KLASS_COMMAND,
66}; 135};
67 136
68enum event_type 137enum event_type
69{ 138{
70# define def(klass,name) EVENT_ ## klass ## _ ## name, 139# define def(klass,name) EVENT_ ## klass ## _ ## name,
71# include "eventinc.h" 140# include "eventinc.h"
72# undef def 141# undef def
73 NUM_EVENT_TYPES 142 NUM_EVENT_TYPES
74}; 143};
75 144
145// in which global events or per-type events are we interested
146extern bitset<NUM_EVENT_TYPES> ev_want_event;
147extern bitset<NUM_TYPES> ev_want_type;
148
76#define ARG_AV(o) DT_AV , static_cast<AV *> (o) 149#define ARG_AV(o) DT_AV , static_cast<AV *> (o)
77#define ARG_INT(v) DT_INT , static_cast<int> (v) 150#define ARG_INT(v) DT_INT , static_cast<int> (v)
78#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) 151#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)
79#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) 152#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)
80#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v) 153#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v)
81#define ARG_DATA(s,l) DT_DATA , static_cast<const void *> (s), (l) 154#define ARG_DATA(s,l) DT_DATA , static_cast<const void *> (s), int (l)
82#define ARG_OBJECT(o) DT_OBJECT, (void *)static_cast<struct object *> (o) 155#define ARG_OBJECT(o) DT_OBJECT, (void *)(static_cast<object *> (o))
83#define ARG_MAP(o) DT_MAP , (void *)static_cast<struct mapstruct *> (o) 156#define ARG_MAP(o) DT_MAP , (void *)(static_cast<maptile *> (o))
84#define ARG_PLAYER(o) DT_PLAYER, (void *)static_cast<struct pl *> (o) 157#define ARG_PLAYER(o) DT_PLAYER, (void *)(static_cast<player *> (o))
85#define ARG_ARCH(o) DT_ARCH , (void *)static_cast<struct archetype *> (o) 158#define ARG_ARCH(o) DT_ARCH , (void *)(static_cast<archetype *> (o))
159#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o))
86#define ARG_PARTY(o) DT_PARTY , (void *)static_cast<struct party *> (o) 160#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o))
87#define ARG_REGION(o) DT_REGION, (void *)static_cast<struct region *> (o) 161#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o))
88 162
89// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension 163// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
90 164#define INVOKE(obj,event, ...) (expect_false ((obj)->should_invoke (event)) ? (obj)->invoke (event, ## __VA_ARGS__, DT_END) : 0)
91// all these return true when the normal event processing should be skipped (if any)
92#define INVOKE_(event, ...) cfperl_invoke (event, ## __VA_ARGS__, DT_END)
93
94#define INVOKE(klass, event, ...) INVOKE_(EVENT_ ## klass ## _ ## event, ## __VA_ARGS__)
95#define INVOKE_GLOBAL(event, ...) INVOKE_(EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__) 165#define INVOKE_GLOBAL(event, ...) INVOKE (&gbl_ev, EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__)
166#define INVOKE_ATTACHABLE(event, obj, ...) INVOKE (obj , EVENT_ ## ATTACHABLE ## _ ## event, ## __VA_ARGS__)
96#define INVOKE_OBJECT(event, op, ...) INVOKE_(EVENT_ ## OBJECT ## _ ## event, ARG_OBJECT (op), ## __VA_ARGS__) 167#define INVOKE_OBJECT(event, obj, ...) INVOKE (obj , EVENT_ ## OBJECT ## _ ## event, ## __VA_ARGS__)
168#define INVOKE_CLIENT(event, obj, ...) INVOKE (obj , EVENT_ ## CLIENT ## _ ## event, ## __VA_ARGS__)
97#define INVOKE_PLAYER(event, pl, ...) INVOKE_(EVENT_ ## PLAYER ## _ ## event, ARG_PLAYER (pl), ## __VA_ARGS__) 169#define INVOKE_PLAYER(event, obj, ...) INVOKE (obj , EVENT_ ## PLAYER ## _ ## event, ## __VA_ARGS__)
98#define INVOKE_MAP(event, map, ...) INVOKE_(EVENT_ ## MAP ## _ ## event, ARG_MAP (map) , ## __VA_ARGS__) 170#define INVOKE_MAP(event, obj, ...) INVOKE (obj , EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__)
99 171
100//TODO should index into @result 172//TODO should index into @result
101#define RESULT(idx,type) cfperl_result_ ## type (idx) 173#define RESULT(idx,type) cfperl_result_ ## type (idx)
174#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE)
102#define RESULT_INT(idx) RESULT(idx, INT) 175#define RESULT_INT(idx) RESULT(idx, INT)
103 176
104bool cfperl_invoke (event_type event, ...); 177double cfperl_result_DOUBLE (int idx);
105int cfperl_result_INT (int idx); 178int cfperl_result_INT (int idx);
106 179
180//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
181
182INTERFACE_CLASS (attachable)
107struct attachable_base 183struct attachable : refcnt_base
108{ 184{
109 struct sv *self; 185 static MGVTBL vtbl;
110 struct av *cb; // CF+ perl self and callback 186
187 static unordered_vector<attachable *> mortals;
188 MTH static void check_mortals ();
189
190 enum {
191 F_DESTROYED = 0x01,
192 F_DEBUG_TRACE = 0x02,
193 };
194 int ACC (RW, flags);
195
196 // object is delete'd after the refcount reaches 0
197 MTH int refcnt_cnt () const;
198 // check wether the object has died and destroy
199 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); }
200
201 // destroy the object unless it was already destroyed
202 // this politely asks everybody interested the reduce
203 // the refcount to 0 as soon as possible.
204 MTH void destroy ();
205
206 // return wether an object was destroyed already
207 MTH bool destroyed () const { return flags & F_DESTROYED; }
208
209 virtual void gather_callbacks (AV *&callbacks, event_type event) const;
210
211#if 0
212private:
213 static refcounted *rc_first;
214 refcounted *rc_next;
215#endif
216
217 HV *self; // CF+ perl self
218 AV *cb; // CF+ callbacks
111 const char *attach; // generic extension attachment information 219 shstr attach; // generic extension attachment information
112 220
113 void clear (); // called when free'ing objects 221 void sever_self (); // sever this object from its self, if it has one.
114 void optimise (); // possibly save some memory by destroying unneeded data 222 void optimise (); // possibly save some memory by destroying unneeded data
115 void instantiate (data_type type, void *obj);
116 223
117 void attachable_init () 224 attachable ()
225 : flags (0), self (0), cb (0), attach (0)
118 { 226 {
119 self = 0;
120 cb = 0;
121 attach = 0;
122 } 227 }
123};
124 228
125// objects attachable from perl (or any other extension) should include or 229 attachable (const attachable &src)
126// derive using the curiously recurring template pattern, to avoid 230 : flags (0), self (0), cb (0), attach (src.attach)
127// virtual method calls etc.
128template<class subclass>
129struct attachable : attachable_base
130{
131 static data_type get_dt ()
132 { 231 {
133 return subclass::get_dt ();
134 } 232 }
135 233
234 // set a custom key to the given value, or delete it if value = 0
235 void set_key (const char *key, const char *value = 0, bool is_utf8 = 0);
236
237 void set_key_text (const char *key, const char *value = 0)
238 {
239 set_key (key, value, 1);
240 }
241
242 void set_key_data (const char *key, const char *value = 0)
243 {
244 set_key (key, value, 0);
245 }
246
247 attachable &operator =(const attachable &src);
248
249 // used to _quickly_ device wether to shortcut the evaluation
250 bool should_invoke (event_type event)
251 {
252 return ev_want_event [event] || cb;
253 }
254
255 bool invoke (event_type event, ...);
256
136 void instantiate () 257 MTH void instantiate ();
137 { 258 void reattach ();
138 if (attach)
139 attachable_base::instantiate (get_dt (), static_cast<subclass *>(this));
140 }
141};
142 259
143struct object_freezethaw 260protected:
144{ 261 // do the real refcount checking work
145 struct av *av; 262 void do_check ();
146};
147 263
148struct object_freezer : object_freezethaw 264 // the method that does the real destroy work
149{ 265 virtual void do_destroy ();
150 struct sv *text;
151 void *filename;
152 266
153 object_freezer (const char *filename); 267 // destructor is protected, should not be called by anybody
268 virtual ~attachable ();
269};
270
271// the global object is a pseudo object that cares for the global events
272struct global : attachable
273{
274 void gather_callbacks (AV *&callbacks, event_type event) const;
275};
276
277extern struct global gbl_ev;
278
279//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
280
281INTERFACE_CLASS(object_freezer)
282struct object_freezer : dynbuf_text
283{
284 AV *av;
285
286 object_freezer ();
154 ~object_freezer (); 287 ~object_freezer ();
155 288
156 void put (attachable_base *ext); 289 void put (attachable *ext);
157 290
158 template<class subclass> 291 // used only for user-defined key-value pairs
159 void put (attachable<subclass> *obj) 292 void put (const shstr &k, const shstr &v)
160 { 293 {
161 put ((attachable_base *)obj); 294 add (k);
295
296 if (expect_true (v))
297 add (' '), add (v);
298
299 add ('\n');
162 } 300 }
301
302 template<typename T>
303 void put_kw_string (keyword k, const T &v)
304 {
305 int klen = keyword_len [k];
306 int vlen = v ? strlen (v) + 1 : 0;
307
308 char *p = (char *)alloc (klen + vlen + 1);
309
310 memcpy (p, keyword_str [k], klen); p += klen;
311
312 if (expect_true (v))
313 {
314 *p++ = ' '; vlen--;
315 memcpy (p, v, vlen); p += vlen;
316 }
317
318 *p = '\n';
319 }
320
321 void put (keyword k, const char *v = 0)
322 {
323 put_kw_string (k, v);
324 }
325
326 void put (keyword k, const shstr &v)
327 {
328 put_kw_string (k, v);
329 }
330
331 void put (keyword k, double v)
332 {
333 force (MAX_KEYWORD_LEN + 2 + 32);
334 fadd (keyword_str [k], keyword_len [k]);
335 fadd (' ');
336 falloc (sprintf (ptr, "%.7g", v));
337 fadd ('\n');
338 }
339
340 void put_(keyword k, sint64 v)
341 {
342 force (MAX_KEYWORD_LEN + 2 + sint64_digits);
343 fadd (keyword_str [k], keyword_len [k]);
344 fadd (' ');
345 add (v);
346 fadd ('\n');
347 }
348
349 void put_(keyword k, sint32 v)
350 {
351 force (MAX_KEYWORD_LEN + 2 + sint32_digits);
352 fadd (keyword_str [k], keyword_len [k]);
353 fadd (' ');
354 add (v);
355 fadd ('\n');
356 }
357
358 void put (keyword k, float v) { put (k, (double)v); }
359 void put (keyword k, signed char v) { put_(k, (sint32)v); }
360 void put (keyword k, unsigned char v) { put_(k, (sint32)v); }
361 void put (keyword k, signed short v) { put_(k, (sint32)v); }
362 void put (keyword k, unsigned short v) { put_(k, (sint32)v); }
363 void put (keyword k, signed int v) { put_(k, (sint32)v); }
364 void put (keyword k, unsigned int v) { put_(k, (sint64)v); }
365 void put (keyword k, signed long v) { put_(k, (sint64)v); }
366 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
367 void put (keyword k, signed long long v) { put_(k, (sint64)v); }
368 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }
369
370 void put (keyword kbeg, keyword kend, const shstr &v)
371 {
372 force (MAX_KEYWORD_LEN + 1);
373 fadd (keyword_str [kbeg], keyword_len [kbeg]); fadd ('\n');
374
375 if (expect_true (v))
376 {
377 add (v);
378 add ('\n');
379 }
380
381 force (MAX_KEYWORD_LEN + 1);
382 fadd (keyword_str [kend], keyword_len [kend]); fadd ('\n');
383 }
384
385 void put (keyword k, archetype *v);
386 void put (keyword k, treasurelist *v);
387 void put (keyword k, faceinfo *v);
388
389 template<typename T>
390 void put (keyword k, const refptr<T> &v)
391 {
392 put (k, (T *)v);
393 }
394
395 MTH bool save (const_octet_string path);
396 char *as_string (); // like strdup
163 397
164 operator bool () { return !!av; } 398 operator bool () { return !!av; }
165}; 399};
166 400
167struct object_thawer : object_freezethaw 401INTERFACE_CLASS(object_thawer)
402struct object_thawer
168{ 403{
169 FILE *fp; 404 char *line; // current beginning of line
405 SV *text; // text part
406 AV *av; // perl part
407 int linenum;
408 keyword kw;
409 char *kw_str; // the keyword parsed, as string
410 char *value; // the value, or 0 if no value
411 const char *value_nn; // the value, or the empty string if no value
412 const char *name;
170 413
414 operator bool () const { return !!text; }
415
171 object_thawer (const char *filename = 0); 416 object_thawer (const char *path = 0);
417 object_thawer (const char *data, AV *perlav);
172 ~object_thawer (); 418 ~object_thawer ();
173 419
174 void get (data_type type, void *obj, attachable_base *ext, int oid);
175
176 template<class subclass>
177 void get (attachable<subclass> *obj, int oid) 420 void get (attachable *obj, int oid);
178 { 421
179 if (av) 422 // parse next line
180 get (subclass::get_dt (), (subclass *)obj, obj, oid); 423 MTH void next ();
424 // skip the current key-value (usually fetch next line, for
425 // multiline-fields, skips till the corresponding end-kw
426 MTH void skip ();
427 MTH void skip_block (); // skips till and over KW_end
428
429 char *get_str () { return value; } // may be 0
430 void get_ml (keyword kend, shstr &sh);
431
432 void get_ornull (shstr &sh) const { sh = value; }
433 void get (shstr &sh) const { sh = value; } // might want to check for non-null here
434
435 bool get_bool () const { return *value_nn == '1'; }
436 sint32 get_sint32 () const;
437 sint64 get_sint64 () const { return strtoll (value_nn, 0, 10); }
438 double get_double () const { return strtod (value_nn, 0); }
439
440 void get (float &v) { v = get_double (); }
441 void get (double &v) { v = get_double (); }
442
443 void get (bool &i) { i = get_bool (); }
444 void get (sint8 &i) { i = get_sint32 (); }
445 void get (uint8 &i) { i = get_sint32 (); }
446 void get (sint16 &i) { i = get_sint32 (); }
447 void get (uint16 &i) { i = get_sint32 (); }
448 void get (sint32 &i) { i = get_sint32 (); }
449
450 void get (uint32 &i) { i = get_sint64 (); }
451 void get (sint64 &i) { i = get_sint64 (); }
452
453 MTH void parse_warn (const char *msg);
454 MTH bool parse_error (const char *type = 0, const char *name = 0, bool skip = true);
455
456 struct delayed_ref {
457 attachable *op;
458 object_ptr *ptr;
459 const char *ref;
181 } 460 };
461 std::vector<delayed_ref> delrefs;
182 462
183 operator FILE *() { return fp; } 463 void delayed_deref (attachable *op, object_ptr &ptr, const char *ref);
464 MTH void resolve_delayed_derefs (bool deref = true);
184}; 465};
185 466
186// compatibility support, should be removed when no longer needed 467//TODO: remove
187int fprintf (object_freezer &freezer, const char *format, ...); 468char *fgets (char *s, int n, object_thawer &thawer);
188int fputs (const char *s, object_freezer &freezer); 469
470//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
471
472struct coroapi {
473 static struct CoroAPI *GCoroAPI;
474
475 static EV_ATOMIC_T cede_pending;
476
477 static int nready () { return CORO_NREADY; }
478 static int cede () { cede_pending = 0; return CORO_CEDE ; }
479
480 static void do_cede_to_tick ();
481
482 // actually cede's far more often
483 static bool cede_to_tick ()
484 {
485 if (expect_true (!cede_pending))
486 return false;
487
488 do_cede_to_tick ();
489 return true;
490 }
491
492 static void wait_for_tick ();
493 static void wait_for_tick_begin ();
494};
495
496struct evapi
497{
498 static struct EVAPI *GEVAPI;
499};
500
501struct iow : ev_io, evapi, callback<void (iow &, int)>
502{
503 static void thunk (EV_P_ struct ev_io *w_, int revents)
504 {
505 iow &w = *static_cast<iow *>(w_);
506
507 w (w, revents);
508 }
509
510 template<class O, class M>
511 iow (O object, M method)
512 : callback<void (iow &, int)> (object, method)
513 {
514 ev_init ((ev_io *)this, thunk);
515 }
516
517 void prio (int prio)
518 {
519 ev_set_priority ((ev_io *)this, prio);
520 }
521
522 void set (int fd, int events)
523 {
524 ev_io_set ((ev_io *)this, fd, events);
525 }
526
527 int poll () const { return events; }
528
529 void poll (int events);
530
531 void start ()
532 {
533 ev_io_start (EV_DEFAULT, (ev_io *)this);
534 }
535
536 void stop ()
537 {
538 ev_io_stop (EV_DEFAULT, (ev_io *)this);
539 }
540
541 ~iow ()
542 {
543 stop ();
544 }
545};
546
547struct asyncw : ev_async, evapi, callback<void (ev_async &, int)>
548{
549 static void thunk (EV_P_ struct ev_async *w_, int revents)
550 {
551 asyncw &w = *static_cast<asyncw *>(w_);
552
553 w (w, revents);
554 }
555
556 template<class O, class M>
557 asyncw (O object, M method)
558 : callback<void (asyncw &, int)> (object, method)
559 {
560 ev_init ((ev_async *)this, thunk);
561 }
562
563 void start ()
564 {
565 ev_async_start (EV_DEFAULT, (ev_async *)this);
566 }
567
568 void stop ()
569 {
570 ev_async_stop (EV_DEFAULT, (ev_async *)this);
571 }
572
573 ~asyncw ()
574 {
575 stop ();
576 }
577};
189 578
190#endif 579#endif
191 580

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