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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.43 by root, Sat Dec 30 15:07:59 2006 UTC vs.
Revision 1.90 by root, Thu Nov 8 19:43:24 2007 UTC

1/*
2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 *
4 * Copyright (©) 2005,2006,2007 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>
30#undef readdir 55#undef readdir
31#undef getprotobyname 56#undef getprotobyname
32#undef gethostbyname 57#undef gethostbyname
33#undef ctime 58#undef ctime
34#undef strerror 59#undef strerror
60#undef _
35 61
36// same here, massive symbol spamming 62// same here, massive symbol spamming
37#undef do_open 63#undef do_open
38#undef do_close 64#undef do_close
39#undef ref 65#undef ref
66#undef seed
40 67
41// perl bug #40256: perl does overwrite those with reentrant versions 68// perl bug #40256: perl does overwrite those with reentrant versions
42// but does not initialise their state structures. 69// but does not initialise their state structures.
43#undef random 70#undef random
44#undef crypt 71#undef crypt
72
73//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
74
75#define _(msg) (msg)
76#define N_(msg) (msg)
45 77
46////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 78//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
47 79
48// some macros to simplify perl in-calls 80// some macros to simplify perl in-calls
49 81
59 91
60////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 92//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
61 93
62void cfperl_init (); 94void cfperl_init ();
63void cfperl_main (); 95void cfperl_main ();
96void cfperl_emergency_save ();
97void cfperl_cleanup (int make_core);
98void cfperl_make_book (object *book, int level);
99void cfperl_send_msg (client *ns, int color, const char *type, const char *msg);
100int cfperl_can_merge (object *ob1, object *ob2);
64 101
65////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 102//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
66 103
67// virtual server time, excluding time jumps and lag 104extern tstamp runtime; // virtual server time, excluding time jumps and lag
68extern double runtime; 105extern tstamp NOW; // real time of current server tick
69 106
70enum event_klass 107enum event_klass
71{ 108{
72 KLASS_NONE, 109 KLASS_NONE,
73 KLASS_GLOBAL, 110 KLASS_GLOBAL,
84# define def(klass,name) EVENT_ ## klass ## _ ## name, 121# define def(klass,name) EVENT_ ## klass ## _ ## name,
85# include "eventinc.h" 122# include "eventinc.h"
86# undef def 123# undef def
87 NUM_EVENT_TYPES 124 NUM_EVENT_TYPES
88}; 125};
126
127// in which global events or per-type events are we interested
128extern bitset<NUM_EVENT_TYPES> ev_want_event;
129extern bitset<NUM_TYPES> ev_want_type;
89 130
90#define ARG_AV(o) DT_AV , static_cast<AV *> (o) 131#define ARG_AV(o) DT_AV , static_cast<AV *> (o)
91#define ARG_INT(v) DT_INT , static_cast<int> (v) 132#define ARG_INT(v) DT_INT , static_cast<int> (v)
92#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) 133#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)
93#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) 134#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)
100#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o)) 141#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o))
101#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o)) 142#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o))
102#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o)) 143#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o))
103 144
104// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension 145// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
105 146#define INVOKE(obj,event, ...) (expect_false ((obj)->should_invoke (event)) ? (obj)->invoke (event, ## __VA_ARGS__, DT_END) : 0)
106// all these return true when the normal event processing should be skipped (if any)
107#define INVOKE_GLOBAL(event, ...) gbl_ev.invoke (EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__, DT_END) 147#define INVOKE_GLOBAL(event, ...) INVOKE (&gbl_ev, EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__)
108#define INVOKE_ATTACHABLE(event, obj, ...) (obj)->invoke (EVENT_ ## ATTACHABLE ## _ ## event, ## __VA_ARGS__, DT_END) 148#define INVOKE_ATTACHABLE(event, obj, ...) INVOKE (obj , EVENT_ ## ATTACHABLE ## _ ## event, ## __VA_ARGS__)
109#define INVOKE_OBJECT(event, obj, ...) (obj)->invoke (EVENT_ ## OBJECT ## _ ## event, ## __VA_ARGS__, DT_END) 149#define INVOKE_OBJECT(event, obj, ...) INVOKE (obj , EVENT_ ## OBJECT ## _ ## event, ## __VA_ARGS__)
110#define INVOKE_CLIENT(event, obj, ...) (obj)->invoke (EVENT_ ## CLIENT ## _ ## event, ## __VA_ARGS__, DT_END) 150#define INVOKE_CLIENT(event, obj, ...) INVOKE (obj , EVENT_ ## CLIENT ## _ ## event, ## __VA_ARGS__)
111#define INVOKE_PLAYER(event, obj, ...) (obj)->invoke (EVENT_ ## PLAYER ## _ ## event, ## __VA_ARGS__, DT_END) 151#define INVOKE_PLAYER(event, obj, ...) INVOKE (obj , EVENT_ ## PLAYER ## _ ## event, ## __VA_ARGS__)
112#define INVOKE_MAP(event, obj, ...) (obj)->invoke (EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__, DT_END) 152#define INVOKE_MAP(event, obj, ...) INVOKE (obj , EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__)
113 153
114//TODO should index into @result 154//TODO should index into @result
115#define RESULT(idx,type) cfperl_result_ ## type (idx) 155#define RESULT(idx,type) cfperl_result_ ## type (idx)
116#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE) 156#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE)
117#define RESULT_INT(idx) RESULT(idx, INT) 157#define RESULT_INT(idx) RESULT(idx, INT)
119double cfperl_result_DOUBLE (int idx); 159double cfperl_result_DOUBLE (int idx);
120int cfperl_result_INT (int idx); 160int cfperl_result_INT (int idx);
121 161
122////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 162//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
123 163
124struct attachable 164INTERFACE_CLASS (attachable)
165struct attachable : refcnt_base
125{ 166{
126 static MGVTBL vtbl; 167 static MGVTBL vtbl;
127 168
128 static unordered_vector<attachable *> mortals; 169 static unordered_vector<attachable *> mortals;
129 static void check_mortals (); 170 MTH static void check_mortals ();
130 171
131 enum { 172 enum {
132 F_DESTROYED = 0x01, 173 F_DESTROYED = 0x01,
133 F_BORROWED = 0x02, 174 F_DEBUG_TRACE = 0x02,
134 }; 175 };
176 int ACC (RW, flags);
135 177
136 // object is delete'd after the refcount reaches 0 178 // object is delete'd after the refcount reaches 0
137 mutable int refcnt; 179 MTH int refcnt_cnt () const;
138 int flags;
139
140 void refcnt_inc () const { ++refcnt; }
141 void refcnt_dec () const { --refcnt; }
142
143 // check wether the object has died and destroy 180 // check wether the object has died and destroy
144 void refcnt_chk () { if (refcnt <= 0) do_check (); } 181 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); }
145 182
146 // destroy the object unless it was already destroyed 183 // destroy the object unless it was already destroyed
147 // this politely asks everybody interested the reduce 184 // this politely asks everybody interested the reduce
148 // the refcount to 0 as soon as possible. 185 // the refcount to 0 as soon as possible.
149 void destroy (); 186 MTH void destroy ();
150 187
151 // return wether an object was destroyed already 188 // return wether an object was destroyed already
152 bool destroyed () const { return flags & F_DESTROYED; } 189 MTH bool destroyed () const { return flags & F_DESTROYED; }
153 190
154 virtual void gather_callbacks (AV *&callbacks, event_type event) const; 191 virtual void gather_callbacks (AV *&callbacks, event_type event) const;
155 192
156#if 0 193#if 0
157private: 194private:
161 198
162 HV *self; // CF+ perl self 199 HV *self; // CF+ perl self
163 AV *cb; // CF+ callbacks 200 AV *cb; // CF+ callbacks
164 shstr attach; // generic extension attachment information 201 shstr attach; // generic extension attachment information
165 202
203 void sever_self (); // sever this object from its self, if it has one.
166 void optimise (); // possibly save some memory by destroying unneeded data 204 void optimise (); // possibly save some memory by destroying unneeded data
167 205
168 attachable () 206 attachable ()
169 : flags (0), refcnt (0), self (0), cb (0), attach (0) 207 : flags (0), self (0), cb (0), attach (0)
170 { 208 {
171 } 209 }
172 210
173 attachable (const attachable &src) 211 attachable (const attachable &src)
174 : flags (0), refcnt (0), self (0), cb (0), attach (src.attach) 212 : flags (0), self (0), cb (0), attach (src.attach)
175 { 213 {
176 } 214 }
177 215
178 virtual ~attachable (); 216 // set a custom key to the given value, or delete it if value = 0
217 void set_key (const char *key, const char *value = 0, bool is_utf8 = 0);
218
219 void set_key_text (const char *key, const char *value = 0)
220 {
221 set_key (key, value, 1);
222 }
223
224 void set_key_data (const char *key, const char *value = 0)
225 {
226 set_key (key, value, 0);
227 }
179 228
180 attachable &operator =(const attachable &src); 229 attachable &operator =(const attachable &src);
181 230
231 // used to _quickly_ device wether to shortcut the evaluation
232 bool should_invoke (event_type event)
233 {
234 return ev_want_event [event] || cb;
235 }
236
182 bool invoke (event_type event, ...); 237 bool invoke (event_type event, ...);
238
183 void instantiate (); 239 MTH void instantiate ();
184 void reattach (); 240 void reattach ();
185 241
186protected: 242protected:
187 // do the real refcount checking work 243 // do the real refcount checking work
188 void do_check (); 244 void do_check ();
189 245
190 // the method that does the real destroy work 246 // the method that does the real destroy work
191 virtual void do_destroy (); 247 virtual void do_destroy ();
248
249 // destructor is protected, should not be called by anybody
250 virtual ~attachable ();
192}; 251};
193 252
194// the global object is a pseudo object that cares for the global events 253// the global object is a pseudo object that cares for the global events
195struct global : attachable 254struct global : attachable
196{ 255{
199 258
200extern struct global gbl_ev; 259extern struct global gbl_ev;
201 260
202////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 261//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
203 262
263INTERFACE_CLASS(object_freezer)
204struct object_freezer : dynbuf 264struct object_freezer : dynbuf_text
205{ 265{
206 AV *av; 266 AV *av;
207 267
208 object_freezer (); 268 object_freezer ();
209 ~object_freezer (); 269 ~object_freezer ();
213 // used only for user-defined key-value pairs 273 // used only for user-defined key-value pairs
214 void put (const shstr &k, const shstr &v) 274 void put (const shstr &k, const shstr &v)
215 { 275 {
216 add (k); 276 add (k);
217 277
218 if (v) 278 if (expect_true (v))
219 add (' '), add (v); 279 add (' '), add (v);
220 280
221 add ('\n'); 281 add ('\n');
222 } 282 }
223 283
224 //TODO//temporary, used only for saving body locations
225 void put (const char *k, int v)
226 {
227 add (k);
228 add (' ');
229 add (sint32 (v));
230 add ('\n');
231 }
232
233 template<typename T> 284 template<typename T>
234 void put_string (keyword k, const T &v) 285 void put_kw_string (keyword k, const T &v)
235 { 286 {
236 int klen = keyword_len [k]; 287 int klen = keyword_len [k];
237 int vlen = v ? strlen (v) + 1 : 0; 288 int vlen = v ? strlen (v) + 1 : 0;
238 289
239 char *p = (char *)alloc (klen + vlen + 1); 290 char *p = (char *)alloc (klen + vlen + 1);
240 291
241 memcpy (p, keyword_str [k], klen); p += klen; 292 memcpy (p, keyword_str [k], klen); p += klen;
242 293
243 if (v) 294 if (expect_true (v))
244 { 295 {
245 *p++ = ' '; vlen--; 296 *p++ = ' '; vlen--;
246 memcpy (p, v, vlen); p += vlen; 297 memcpy (p, v, vlen); p += vlen;
247 } 298 }
248 299
249 *p = '\n'; 300 *p = '\n';
250 } 301 }
251 302
252 void put (keyword k, const char *v) 303 void put (keyword k, const char *v = 0)
253 { 304 {
254 put_string (k, v); 305 put_kw_string (k, v);
255 } 306 }
256 307
257 void put (keyword k, const shstr &v) 308 void put (keyword k, const shstr &v)
258 { 309 {
259 put_string (k, v); 310 put_kw_string (k, v);
260 } 311 }
261 312
262 void put (keyword k, double v) 313 void put (keyword k, double v)
263 { 314 {
264 char buf [128]; 315 force (MAX_KEYWORD_LEN + 2 + 32);
265 316 fadd (keyword_str [k], keyword_len [k]);
266 snprintf (buf, 128, "%.7g", v); 317 fadd (' ');
267 318 falloc (sprintf (ptr, "%.7g", v));
268 put (k, (const char *)buf); 319 fadd ('\n');
269 } 320 }
270 321
271 void put_(keyword k, sint64 v) 322 void put_(keyword k, sint64 v)
272 { 323 {
324 force (MAX_KEYWORD_LEN + 2 + sint64_digits);
273 add (keyword_str [k], keyword_len [k]); 325 fadd (keyword_str [k], keyword_len [k]);
274 add (' '); 326 fadd (' ');
275 add (v); 327 add (v);
276 add ('\n'); 328 fadd ('\n');
277 } 329 }
278 330
279 void put_(keyword k, sint32 v) 331 void put_(keyword k, sint32 v)
280 { 332 {
333 force (MAX_KEYWORD_LEN + 2 + sint32_digits);
281 add (keyword_str [k], keyword_len [k]); 334 fadd (keyword_str [k], keyword_len [k]);
282 add (' '); 335 fadd (' ');
283 add (v); 336 add (v);
284 add ('\n'); 337 fadd ('\n');
285 }
286
287 void put (keyword kbeg, keyword kend, const shstr &v)
288 {
289 add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n');
290
291 if (v)
292 {
293 add (v);
294 add ('\n');
295 }
296
297 add (keyword_str [kend], keyword_len [kend]); add ('\n');
298 } 338 }
299 339
300 void put (keyword k, float v) { put (k, (double)v); } 340 void put (keyword k, float v) { put (k, (double)v); }
301 void put (keyword k, signed char v) { put_(k, (sint32)v); } 341 void put (keyword k, signed char v) { put_(k, (sint32)v); }
302 void put (keyword k, unsigned char v) { put_(k, (sint32)v); } 342 void put (keyword k, unsigned char v) { put_(k, (sint32)v); }
307 void put (keyword k, signed long v) { put_(k, (sint64)v); } 347 void put (keyword k, signed long v) { put_(k, (sint64)v); }
308 void put (keyword k, unsigned long v) { put_(k, (sint64)v); } 348 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
309 void put (keyword k, signed long long v) { put_(k, (sint64)v); } 349 void put (keyword k, signed long long v) { put_(k, (sint64)v); }
310 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); } 350 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }
311 351
312 template<typename T> 352 void put (keyword kbeg, keyword kend, const shstr &v)
353 {
354 force (MAX_KEYWORD_LEN + 1);
355 fadd (keyword_str [kbeg], keyword_len [kbeg]); fadd ('\n');
356
357 if (expect_true (v))
358 {
359 add (v);
360 add ('\n');
361 }
362
363 force (MAX_KEYWORD_LEN + 1);
364 fadd (keyword_str [kend], keyword_len [kend]); fadd ('\n');
365 }
366
367 void put (keyword k, archetype *v);
368 void put (keyword k, treasurelist *v);
313 void put (keyword k, const T *v) 369 void put (keyword k, faceinfo *v);
314 {
315 if (v)
316 put (k, v->name);
317 else
318 put (k, (const char *)0);
319 }
320 370
321 template<typename T> 371 template<typename T>
322 void put (keyword k, const refptr<T> &v) 372 void put (keyword k, const refptr<T> &v)
323 { 373 {
324 put (k, (T *)v); 374 put (k, (T *)v);
325 } 375 }
326 376
327 bool save (const char *filename); 377 MTH bool save (const_octet_string path);
328 char *as_string (); // like strdup 378 char *as_string (); // like strdup
329 379
330 operator bool () { return !!av; } 380 operator bool () { return !!av; }
331}; 381};
332 382
333// compatibility support, should be removed when no longer needed 383INTERFACE_CLASS(object_thawer)
334int fprintf (object_freezer &freezer, const char *format, ...);
335int fputs (const char *s, object_freezer &freezer);
336
337struct object_thawer 384struct object_thawer
338{ 385{
386 char *line; // current beginning of line
339 SV *text; // text part 387 SV *text; // text part
340 AV *av; // perl part 388 AV *av; // perl part
341 char *line; // current beginning of line 389 int linenum;
342 char *last_keyword, *last_value; 390 keyword kw;
391 char *kw_str; // the keyword parsed, as string
392 char *value; // the value, or 0 if no value
393 char *value_nn; // the value, or the empty string if no value
394 const char *name;
343 395
344 operator bool () { return !!text; } 396 operator bool () const { return !!text; }
345 397
346 object_thawer (const char *filename = 0); 398 object_thawer (const char *path = 0);
347 object_thawer (const char *data, AV *perlav); 399 object_thawer (const char *data, AV *perlav);
348 ~object_thawer (); 400 ~object_thawer ();
349 401
350 void get (attachable *obj, int oid); 402 void get (attachable *obj, int oid);
351 403
352 keyword get_kv (); // also parse value for later use 404 // parse next line
353 void skip_kv (keyword kw); 405 MTH void next ();
406 // skip the current key-value (usually fetch next line, for
407 // multiline-fields, skips till the corresponding end-kw
408 MTH void skip ();
409 MTH void skip_block (); // skips till and over KW_end
354 410
355 const char *get_str () { return last_value; } // may be 0 411 char *get_str () { return value; } // may be 0
356
357 void get (shstr &sh) const;
358 void get_ornull (shstr &sh) const { sh = last_value; }
359 void get_ml (keyword kend, shstr &sh); 412 void get_ml (keyword kend, shstr &sh);
360 413
414 void get_ornull (shstr &sh) const { sh = value; }
415 void get (shstr &sh) const { sh = value; } // might want to check for non-null here
416
417 bool get_bool () const { return *value_nn == '1'; }
361 sint32 get_sint32 () const; 418 sint32 get_sint32 () const;
362 sint64 get_sint64 () const; 419 sint64 get_sint64 () const { return strtoll (value_nn, 0, 10); }
363 double get_double () const; 420 double get_double () const { return strtod (value_nn, 0); }
364 421
365 void get (float &v) { v = get_double (); } 422 void get (float &v) { v = get_double (); }
366 void get (double &v) { v = get_double (); } 423 void get (double &v) { v = get_double (); }
367 424
368 void get (bool &i) { i = get_sint32 (); } 425 void get (bool &i) { i = get_bool (); }
369 void get (sint8 &i) { i = get_sint32 (); } 426 void get (sint8 &i) { i = get_sint32 (); }
370 void get (uint8 &i) { i = get_sint32 (); } 427 void get (uint8 &i) { i = get_sint32 (); }
371 void get (sint16 &i) { i = get_sint32 (); } 428 void get (sint16 &i) { i = get_sint32 (); }
372 void get (uint16 &i) { i = get_sint32 (); } 429 void get (uint16 &i) { i = get_sint32 (); }
373 void get (sint32 &i) { i = get_sint32 (); } 430 void get (sint32 &i) { i = get_sint32 (); }
374 431
375 void get (uint32 &i) { i = get_sint64 (); } 432 void get (uint32 &i) { i = get_sint64 (); }
376 void get (sint64 &i) { i = get_sint64 (); } 433 void get (sint64 &i) { i = get_sint64 (); }
377};
378 434
435 MTH void parse_warn (const char *msg);
436 MTH bool parse_error (const char *type = 0, const char *name = 0, bool skip = true);
437
438 struct delayed_ref {
439 attachable *op;
440 object_ptr *ptr;
441 const char *ref;
442 };
443 std::vector<delayed_ref> delrefs;
444
445 void delayed_deref (attachable *op, object_ptr &ptr, const char *ref);
446 MTH void resolve_delayed_derefs (bool deref = true);
447};
448
449//TODO: remove
379char *fgets (char *s, int n, object_thawer &thawer); 450char *fgets (char *s, int n, object_thawer &thawer);
380 451
381////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 452//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
382 453
383struct coroapi { 454struct coroapi {
384 static struct CoroAPI *GCoroAPI; 455 static struct CoroAPI *GCoroAPI;
385 456
386 static int nready () { return CORO_NREADY; } 457 static int nready () { return CORO_NREADY; }
387 static int cede () { return CORO_CEDE ; } 458 static int cede () { return CORO_CEDE ; }
459
460 static tstamp next_cede;
461 static int cede_counter;
462
463 static void do_cede_every ();
464 static void do_cede_to_tick ();
465 static void do_cede_to_tick_every ();
466
467 static void cede_every (int count)
468 {
469 if (expect_false (++cede_counter >= count))
470 do_cede_every ();
471 }
472
473 static bool cede_to_tick ()
474 {
475 if (expect_true (now () < next_cede))
476 return false;
477
478 do_cede_to_tick ();
479 return true;
480 }
481
482 static bool cede_to_tick_every (int count)
483 {
484 if (expect_true (++cede_counter < count))
485 return false;
486
487 return cede_to_tick ();
488 }
489
490 static void wait_for_tick ();
491 static void wait_for_tick_begin ();
388}; 492};
389 493
390struct watcher_base 494struct watcher_base
391{ 495{
392 static struct EventAPI *GEventAPI; 496 static struct EventAPI *GEventAPI;

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