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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.46 by root, Mon Jan 1 00:41:03 2007 UTC vs.
Revision 1.87 by root, Thu Aug 16 06:36:56 2007 UTC

1/*
2 * This file is part of Crossfire TRT, the Roguelike Realtime MORPG.
3 *
4 * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team
5 * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
6 * Copyright (©) 1992,2007 Frank Tore Johansen
7 *
8 * Crossfire TRT 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 <crossfire@schmorp.de>
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
… …
44#undef random 70#undef random
45#undef crypt 71#undef crypt
46 72
47////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 73//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
48 74
75#define _(msg) (msg)
76#define N_(msg) (msg)
77
78//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
79
49// some macros to simplify perl in-calls 80// some macros to simplify perl in-calls
50 81
51#define CHECK_ERROR \ 82#define CHECK_ERROR \
52 if (SvTRUE (ERRSV)) \ 83 if (SvTRUE (ERRSV)) \
53 LOG (llevError, "runtime error in %s: %s\n", __func__, SvPVutf8_nolen (ERRSV)); 84 LOG (llevError, "runtime error in %s: %s\n", __func__, SvPVutf8_nolen (ERRSV));
… …
60 91
61////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 92//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
62 93
63void cfperl_init (); 94void cfperl_init ();
64void 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);
65 101
66////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 102//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
67 103
68// virtual server time, excluding time jumps and lag 104extern tstamp runtime; // virtual server time, excluding time jumps and lag
69extern double runtime; 105extern tstamp NOW; // real time of current server tick
70 106
71enum event_klass 107enum event_klass
72{ 108{
73 KLASS_NONE, 109 KLASS_NONE,
74 KLASS_GLOBAL, 110 KLASS_GLOBAL,
… …
85# define def(klass,name) EVENT_ ## klass ## _ ## name, 121# define def(klass,name) EVENT_ ## klass ## _ ## name,
86# include "eventinc.h" 122# include "eventinc.h"
87# undef def 123# undef def
88 NUM_EVENT_TYPES 124 NUM_EVENT_TYPES
89}; 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;
90 130
91#define ARG_AV(o) DT_AV , static_cast<AV *> (o) 131#define ARG_AV(o) DT_AV , static_cast<AV *> (o)
92#define ARG_INT(v) DT_INT , static_cast<int> (v) 132#define ARG_INT(v) DT_INT , static_cast<int> (v)
93#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) 133#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)
94#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) 134#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)
… …
101#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o)) 141#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o))
102#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o)) 142#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o))
103#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o)) 143#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o))
104 144
105// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension 145// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
106 146#define INVOKE(obj,event, ...) (expect_false ((obj)->should_invoke (event)) ? (obj)->invoke (event, ## __VA_ARGS__, DT_END) : 0)
107// all these return true when the normal event processing should be skipped (if any)
108#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__)
109#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__)
110#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__)
111#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__)
112#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__)
113#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__)
114 153
115//TODO should index into @result 154//TODO should index into @result
116#define RESULT(idx,type) cfperl_result_ ## type (idx) 155#define RESULT(idx,type) cfperl_result_ ## type (idx)
117#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE) 156#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE)
118#define RESULT_INT(idx) RESULT(idx, INT) 157#define RESULT_INT(idx) RESULT(idx, INT)
… …
120double cfperl_result_DOUBLE (int idx); 159double cfperl_result_DOUBLE (int idx);
121int cfperl_result_INT (int idx); 160int cfperl_result_INT (int idx);
122 161
123////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 162//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
124 163
125struct attachable 164INTERFACE_CLASS (attachable)
165struct attachable : refcnt_base
126{ 166{
127 static MGVTBL vtbl; 167 static MGVTBL vtbl;
128 168
129 static unordered_vector<attachable *> mortals; 169 static unordered_vector<attachable *> mortals;
130 static void check_mortals (); 170 MTH static void check_mortals ();
131 171
132 enum { 172 enum {
133 F_DESTROYED = 0x01, 173 F_DESTROYED = 0x01,
134 F_BORROWED = 0x02, 174 F_DEBUG_TRACE = 0x02,
135 }; 175 };
176 int ACC (RW, flags);
136 177
137 // object is delete'd after the refcount reaches 0 178 // object is delete'd after the refcount reaches 0
138 mutable int refcnt; 179 MTH int refcnt_cnt () const;
139 int flags;
140
141 void refcnt_inc () const { ++refcnt; }
142 void refcnt_dec () const { --refcnt; }
143
144 // check wether the object has died and destroy 180 // check wether the object has died and destroy
145 void refcnt_chk () { if (refcnt <= 0) do_check (); } 181 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); }
146 182
147 // destroy the object unless it was already destroyed 183 // destroy the object unless it was already destroyed
148 // this politely asks everybody interested the reduce 184 // this politely asks everybody interested the reduce
149 // the refcount to 0 as soon as possible. 185 // the refcount to 0 as soon as possible.
150 void destroy (); 186 MTH void destroy ();
151 187
152 // return wether an object was destroyed already 188 // return wether an object was destroyed already
153 bool destroyed () const { return flags & F_DESTROYED; } 189 MTH bool destroyed () const { return flags & F_DESTROYED; }
154 190
155 virtual void gather_callbacks (AV *&callbacks, event_type event) const; 191 virtual void gather_callbacks (AV *&callbacks, event_type event) const;
156 192
157#if 0 193#if 0
158private: 194private:
… …
162 198
163 HV *self; // CF+ perl self 199 HV *self; // CF+ perl self
164 AV *cb; // CF+ callbacks 200 AV *cb; // CF+ callbacks
165 shstr attach; // generic extension attachment information 201 shstr attach; // generic extension attachment information
166 202
203 void sever_self (); // sever this object from its self, if it has one.
167 void optimise (); // possibly save some memory by destroying unneeded data 204 void optimise (); // possibly save some memory by destroying unneeded data
168 205
169 attachable () 206 attachable ()
170 : flags (0), refcnt (0), self (0), cb (0), attach (0) 207 : flags (0), self (0), cb (0), attach (0)
171 { 208 {
172 } 209 }
173 210
174 attachable (const attachable &src) 211 attachable (const attachable &src)
175 : flags (0), refcnt (0), self (0), cb (0), attach (src.attach) 212 : flags (0), self (0), cb (0), attach (src.attach)
176 { 213 {
177 } 214 }
178 215
179 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);
180 218
181 attachable &operator =(const attachable &src); 219 attachable &operator =(const attachable &src);
182 220
221 // used to _quickly_ device wether to shortcut the evaluation
222 bool should_invoke (event_type event)
223 {
224 return ev_want_event [event] || cb;
225 }
226
183 bool invoke (event_type event, ...); 227 bool invoke (event_type event, ...);
228
184 void instantiate (); 229 MTH void instantiate ();
185 void reattach (); 230 void reattach ();
186 231
187protected: 232protected:
188 // do the real refcount checking work 233 // do the real refcount checking work
189 void do_check (); 234 void do_check ();
190 235
191 // the method that does the real destroy work 236 // the method that does the real destroy work
192 virtual void do_destroy (); 237 virtual void do_destroy ();
238
239 // destructor is protected, should not be called by anybody
240 virtual ~attachable ();
193}; 241};
194 242
195// the global object is a pseudo object that cares for the global events 243// the global object is a pseudo object that cares for the global events
196struct global : attachable 244struct global : attachable
197{ 245{
… …
200 248
201extern struct global gbl_ev; 249extern struct global gbl_ev;
202 250
203////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 251//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
204 252
205struct object_freezer : dynbuf 253struct object_freezer : dynbuf_text
206{ 254{
207 AV *av; 255 AV *av;
208 256
209 object_freezer (); 257 object_freezer ();
210 ~object_freezer (); 258 ~object_freezer ();
… …
214 // used only for user-defined key-value pairs 262 // used only for user-defined key-value pairs
215 void put (const shstr &k, const shstr &v) 263 void put (const shstr &k, const shstr &v)
216 { 264 {
217 add (k); 265 add (k);
218 266
219 if (v) 267 if (expect_true (v))
220 add (' '), add (v); 268 add (' '), add (v);
221 269
222 add ('\n'); 270 add ('\n');
223 } 271 }
224 272
225 //TODO//temporary, used only for saving body locations
226 void put (const char *k, int v)
227 {
228 add (k);
229 add (' ');
230 add (sint32 (v));
231 add ('\n');
232 }
233
234 template<typename T> 273 template<typename T>
235 void put_string (keyword k, const T &v) 274 void put_kw_string (keyword k, const T &v)
236 { 275 {
237 int klen = keyword_len [k]; 276 int klen = keyword_len [k];
238 int vlen = v ? strlen (v) + 1 : 0; 277 int vlen = v ? strlen (v) + 1 : 0;
239 278
240 char *p = (char *)alloc (klen + vlen + 1); 279 char *p = (char *)alloc (klen + vlen + 1);
241 280
242 memcpy (p, keyword_str [k], klen); p += klen; 281 memcpy (p, keyword_str [k], klen); p += klen;
243 282
244 if (v) 283 if (expect_true (v))
245 { 284 {
246 *p++ = ' '; vlen--; 285 *p++ = ' '; vlen--;
247 memcpy (p, v, vlen); p += vlen; 286 memcpy (p, v, vlen); p += vlen;
248 } 287 }
249 288
250 *p = '\n'; 289 *p = '\n';
251 } 290 }
252 291
253 void put (keyword k, const char *v = 0) 292 void put (keyword k, const char *v = 0)
254 { 293 {
255 put_string (k, v); 294 put_kw_string (k, v);
256 } 295 }
257 296
258 void put (keyword k, const shstr &v) 297 void put (keyword k, const shstr &v)
259 { 298 {
260 put_string (k, v); 299 put_kw_string (k, v);
261 } 300 }
262 301
263 void put (keyword k, double v) 302 void put (keyword k, double v)
264 { 303 {
265 char buf [128]; 304 force (MAX_KEYWORD_LEN + 2 + 32);
266 305 fadd (keyword_str [k], keyword_len [k]);
267 snprintf (buf, 128, "%.7g", v); 306 fadd (' ');
268 307 falloc (sprintf (ptr, "%.7g", v));
269 put (k, (const char *)buf); 308 fadd ('\n');
270 } 309 }
271 310
272 void put_(keyword k, sint64 v) 311 void put_(keyword k, sint64 v)
273 { 312 {
313 force (MAX_KEYWORD_LEN + 2 + sint64_digits);
274 add (keyword_str [k], keyword_len [k]); 314 fadd (keyword_str [k], keyword_len [k]);
275 add (' '); 315 fadd (' ');
276 add (v); 316 add (v);
277 add ('\n'); 317 fadd ('\n');
278 } 318 }
279 319
280 void put_(keyword k, sint32 v) 320 void put_(keyword k, sint32 v)
281 { 321 {
322 force (MAX_KEYWORD_LEN + 2 + sint32_digits);
282 add (keyword_str [k], keyword_len [k]); 323 fadd (keyword_str [k], keyword_len [k]);
283 add (' '); 324 fadd (' ');
284 add (v); 325 add (v);
285 add ('\n'); 326 fadd ('\n');
286 }
287
288 void put (keyword kbeg, keyword kend, const shstr &v)
289 {
290 add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n');
291
292 if (v)
293 {
294 add (v);
295 add ('\n');
296 }
297
298 add (keyword_str [kend], keyword_len [kend]); add ('\n');
299 } 327 }
300 328
301 void put (keyword k, float v) { put (k, (double)v); } 329 void put (keyword k, float v) { put (k, (double)v); }
302 void put (keyword k, signed char v) { put_(k, (sint32)v); } 330 void put (keyword k, signed char v) { put_(k, (sint32)v); }
303 void put (keyword k, unsigned char v) { put_(k, (sint32)v); } 331 void put (keyword k, unsigned char v) { put_(k, (sint32)v); }
… …
308 void put (keyword k, signed long v) { put_(k, (sint64)v); } 336 void put (keyword k, signed long v) { put_(k, (sint64)v); }
309 void put (keyword k, unsigned long v) { put_(k, (sint64)v); } 337 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
310 void put (keyword k, signed long long v) { put_(k, (sint64)v); } 338 void put (keyword k, signed long long v) { put_(k, (sint64)v); }
311 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); } 339 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }
312 340
313 template<typename T> 341 void put (keyword kbeg, keyword kend, const shstr &v)
342 {
343 force (MAX_KEYWORD_LEN + 1);
344 fadd (keyword_str [kbeg], keyword_len [kbeg]); fadd ('\n');
345
346 if (expect_true (v))
347 {
348 add (v);
349 add ('\n');
350 }
351
352 force (MAX_KEYWORD_LEN + 1);
353 fadd (keyword_str [kend], keyword_len [kend]); fadd ('\n');
354 }
355
356 void put (keyword k, archetype *v);
357 void put (keyword k, treasurelist *v);
314 void put (keyword k, const T *v) 358 void put (keyword k, faceinfo *v);
315 {
316 if (v)
317 put (k, v->name);
318 else
319 put (k, (const char *)0);
320 }
321 359
322 template<typename T> 360 template<typename T>
323 void put (keyword k, const refptr<T> &v) 361 void put (keyword k, const refptr<T> &v)
324 { 362 {
325 put (k, (T *)v); 363 put (k, (T *)v);
326 } 364 }
327 365
328 bool save (const char *filename); 366 bool save (const char *path);
329 char *as_string (); // like strdup 367 char *as_string (); // like strdup
330 368
331 operator bool () { return !!av; } 369 operator bool () { return !!av; }
332}; 370};
333 371
334// compatibility support, should be removed when no longer needed
335int fprintf (object_freezer &freezer, const char *format, ...);
336int fputs (const char *s, object_freezer &freezer);
337
338struct object_thawer 372struct object_thawer
339{ 373{
374 char *line; // current beginning of line
340 SV *text; // text part 375 SV *text; // text part
341 AV *av; // perl part 376 AV *av; // perl part
342 char *line; // current beginning of line 377 int linenum;
343 char *last_keyword, *last_value; 378 keyword kw;
379 char *kw_str; // the keyword parsed, as string
380 char *value; // the value, or 0 if no value
381 char *value_nn; // the value, or the empty string if no value
382 const char *name;
344 383
345 operator bool () { return !!text; } 384 operator bool () { return !!text; }
346 385
347 object_thawer (const char *filename = 0); 386 object_thawer (const char *path = 0);
348 object_thawer (const char *data, AV *perlav); 387 object_thawer (const char *data, AV *perlav);
349 ~object_thawer (); 388 ~object_thawer ();
350 389
351 void get (attachable *obj, int oid); 390 void get (attachable *obj, int oid);
352 391
353 keyword get_kv (); // also parse value for later use 392 // parse next line
354 void skip_kv (keyword kw); 393 void next ();
394 // skip the current key-value (usually fetch next line, for
395 // multiline-fields, skips till the corresponding end-kw
396 void skip ();
355 397
356 const char *get_str () { return last_value; } // may be 0 398 char *get_str () { return value; } // may be 0
357
358 void get (shstr &sh) const;
359 void get_ornull (shstr &sh) const { sh = last_value; }
360 void get_ml (keyword kend, shstr &sh); 399 void get_ml (keyword kend, shstr &sh);
361 400
401 void get_ornull (shstr &sh) const { sh = value; }
402 void get (shstr &sh) const { sh = value; } // might want to check for non-null here
403
404 bool get_bool () const { return *value_nn == '1'; }
362 sint32 get_sint32 () const; 405 sint32 get_sint32 () const;
363 sint64 get_sint64 () const; 406 sint64 get_sint64 () const { return strtoll (value_nn, 0, 10); }
364 double get_double () const; 407 double get_double () const { return strtod (value_nn, 0); }
365 408
366 void get (float &v) { v = get_double (); } 409 void get (float &v) { v = get_double (); }
367 void get (double &v) { v = get_double (); } 410 void get (double &v) { v = get_double (); }
368 411
369 void get (bool &i) { i = get_sint32 (); } 412 void get (bool &i) { i = get_bool (); }
370 void get (sint8 &i) { i = get_sint32 (); } 413 void get (sint8 &i) { i = get_sint32 (); }
371 void get (uint8 &i) { i = get_sint32 (); } 414 void get (uint8 &i) { i = get_sint32 (); }
372 void get (sint16 &i) { i = get_sint32 (); } 415 void get (sint16 &i) { i = get_sint32 (); }
373 void get (uint16 &i) { i = get_sint32 (); } 416 void get (uint16 &i) { i = get_sint32 (); }
374 void get (sint32 &i) { i = get_sint32 (); } 417 void get (sint32 &i) { i = get_sint32 (); }
375 418
376 void get (uint32 &i) { i = get_sint64 (); } 419 void get (uint32 &i) { i = get_sint64 (); }
377 void get (sint64 &i) { i = get_sint64 (); } 420 void get (sint64 &i) { i = get_sint64 (); }
378};
379 421
422 void parse_warn (const char *msg);
423 bool parse_error (const char *type = 0, const char *name = 0, bool skip = true);
424};
425
426//TODO: remove
380char *fgets (char *s, int n, object_thawer &thawer); 427char *fgets (char *s, int n, object_thawer &thawer);
381 428
382////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 429//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
383 430
384struct coroapi { 431struct coroapi {
385 static struct CoroAPI *GCoroAPI; 432 static struct CoroAPI *GCoroAPI;
386 433
387 static int nready () { return CORO_NREADY; } 434 static int nready () { return CORO_NREADY; }
388 static int cede () { return CORO_CEDE ; } 435 static int cede () { return CORO_CEDE ; }
389 436
437 static tstamp next_cede;
390 static int cede_counter; 438 static int cede_counter;
391 439
440 static void do_cede_every ();
441 static void do_cede_to_tick ();
442 static void do_cede_to_tick_every ();
443
392 static void cede_every (int count) 444 static void cede_every (int count)
393 { 445 {
394 if (++cede_counter >= count) 446 if (expect_false (++cede_counter >= count))
395 { 447 do_cede_every ();
396 cede_counter = 0;
397
398 if (coroapi::nready ())
399 coroapi::cede ();
400 }
401 } 448 }
449
450 static bool cede_to_tick ()
451 {
452 if (expect_true (now () < next_cede))
453 return false;
454
455 do_cede_to_tick ();
456 return true;
457 }
458
459 static bool cede_to_tick_every (int count)
460 {
461 if (expect_true (++cede_counter < count))
462 return false;
463
464 return cede_to_tick ();
465 }
466
467 static void wait_for_tick ();
468 static void wait_for_tick_begin ();
402}; 469};
403 470
404struct watcher_base 471struct watcher_base
405{ 472{
406 static struct EventAPI *GEventAPI; 473 static struct EventAPI *GEventAPI;

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