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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.41 by root, Mon Dec 25 11:25:49 2006 UTC vs.
Revision 1.88 by root, Thu Aug 30 07:28:25 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>
13#include <XSUB.h> 38#include <XSUB.h>
14 39
15#include <EventAPI.h> 40#include <EventAPI.h>
41#include <CoroAPI.h>
16 42
43#include "util.h"
44#include "keyword.h"
45#include "dynbuf.h"
17#include "callback.h" 46#include "callback.h"
47
48//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
18 49
19// optimisations/workaround for functions requiring my_perl in scope (anti-bloat) 50// optimisations/workaround for functions requiring my_perl in scope (anti-bloat)
20#undef localtime 51#undef localtime
21#undef srand48 52#undef srand48
22#undef drand48 53#undef drand48
24#undef readdir 55#undef readdir
25#undef getprotobyname 56#undef getprotobyname
26#undef gethostbyname 57#undef gethostbyname
27#undef ctime 58#undef ctime
28#undef strerror 59#undef strerror
60#undef _
29 61
30// same here, massive symbol spamming 62// same here, massive symbol spamming
31#undef do_open 63#undef do_open
32#undef do_close 64#undef do_close
65#undef ref
66#undef seed
33 67
34// perl bug #40256: perl does overwrite those with reentrant versions 68// perl bug #40256: perl does overwrite those with reentrant versions
35// but does not initialise their state structures. 69// but does not initialise their state structures.
36#undef random 70#undef random
37#undef crypt 71#undef crypt
38 72
73//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
74
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\n", __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//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
93
39void cfperl_init (); 94void cfperl_init ();
40void 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);
101
102//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
103
104extern tstamp runtime; // virtual server time, excluding time jumps and lag
105extern tstamp NOW; // real time of current server tick
41 106
42enum event_klass 107enum event_klass
43{ 108{
44 KLASS_NONE, 109 KLASS_NONE,
45 KLASS_GLOBAL, 110 KLASS_GLOBAL,
56# define def(klass,name) EVENT_ ## klass ## _ ## name, 121# define def(klass,name) EVENT_ ## klass ## _ ## name,
57# include "eventinc.h" 122# include "eventinc.h"
58# undef def 123# undef def
59 NUM_EVENT_TYPES 124 NUM_EVENT_TYPES
60}; 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;
61 130
62#define ARG_AV(o) DT_AV , static_cast<AV *> (o) 131#define ARG_AV(o) DT_AV , static_cast<AV *> (o)
63#define ARG_INT(v) DT_INT , static_cast<int> (v) 132#define ARG_INT(v) DT_INT , static_cast<int> (v)
64#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) 133#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)
65#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) 134#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)
72#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o)) 141#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o))
73#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o)) 142#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o))
74#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o)) 143#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o))
75 144
76// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension 145// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
77 146#define INVOKE(obj,event, ...) (expect_false ((obj)->should_invoke (event)) ? (obj)->invoke (event, ## __VA_ARGS__, DT_END) : 0)
78// all these return true when the normal event processing should be skipped (if any)
79#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__)
80#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__)
81#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__)
82#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__)
83#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__)
84#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__)
85 153
86//TODO should index into @result 154//TODO should index into @result
87#define RESULT(idx,type) cfperl_result_ ## type (idx) 155#define RESULT(idx,type) cfperl_result_ ## type (idx)
88#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE) 156#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE)
89#define RESULT_INT(idx) RESULT(idx, INT) 157#define RESULT_INT(idx) RESULT(idx, INT)
90 158
91double cfperl_result_DOUBLE (int idx); 159double cfperl_result_DOUBLE (int idx);
92int cfperl_result_INT (int idx); 160int cfperl_result_INT (int idx);
93 161
94struct attachable 162//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
163
164INTERFACE_CLASS (attachable)
165struct attachable : refcnt_base
95{ 166{
167 static MGVTBL vtbl;
168
96 static unordered_vector<attachable *> mortals; 169 static unordered_vector<attachable *> mortals;
97 static void check_mortals (); 170 MTH static void check_mortals ();
98 171
99 enum { 172 enum {
100 F_DESTROYED = 0x01, 173 F_DESTROYED = 0x01,
101 F_BORROWED = 0x02, 174 F_DEBUG_TRACE = 0x02,
102 }; 175 };
176 int ACC (RW, flags);
103 177
104 // object is delete'd after the refcount reaches 0 178 // object is delete'd after the refcount reaches 0
105 mutable int refcnt; 179 MTH int refcnt_cnt () const;
106 int flags;
107
108 void refcnt_inc () const { ++refcnt; }
109 void refcnt_dec () const { --refcnt; }
110
111 // check wether the object has died and destroy 180 // check wether the object has died and destroy
112 void refcnt_chk () { if (refcnt <= 0) do_check (); } 181 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); }
113 182
114 // destroy the object unless it was already destroyed 183 // destroy the object unless it was already destroyed
115 // this politely asks everybody interested the reduce 184 // this politely asks everybody interested the reduce
116 // the refcount to 0 as soon as possible. 185 // the refcount to 0 as soon as possible.
117 void destroy (); 186 MTH void destroy ();
118 187
119 // return wether an object was destroyed already 188 // return wether an object was destroyed already
120 bool destroyed () const { return flags & F_DESTROYED; } 189 MTH bool destroyed () const { return flags & F_DESTROYED; }
121 190
122 virtual void gather_callbacks (AV *&callbacks, event_type event) const; 191 virtual void gather_callbacks (AV *&callbacks, event_type event) const;
123 192
124#if 0 193#if 0
125private: 194private:
129 198
130 HV *self; // CF+ perl self 199 HV *self; // CF+ perl self
131 AV *cb; // CF+ callbacks 200 AV *cb; // CF+ callbacks
132 shstr attach; // generic extension attachment information 201 shstr attach; // generic extension attachment information
133 202
203 void sever_self (); // sever this object from its self, if it has one.
134 void optimise (); // possibly save some memory by destroying unneeded data 204 void optimise (); // possibly save some memory by destroying unneeded data
135 205
136 attachable () 206 attachable ()
137 : flags (0), refcnt (0), self (0), cb (0), attach (0) 207 : flags (0), self (0), cb (0), attach (0)
138 { 208 {
139 } 209 }
140 210
141 attachable (const attachable &src) 211 attachable (const attachable &src)
142 : flags (0), refcnt (0), self (0), cb (0), attach (src.attach) 212 : flags (0), self (0), cb (0), attach (src.attach)
143 { 213 {
144 } 214 }
145 215
146 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 }
147 228
148 attachable &operator =(const attachable &src); 229 attachable &operator =(const attachable &src);
149 230
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
150 bool invoke (event_type event, ...); 237 bool invoke (event_type event, ...);
238
151 void instantiate (); 239 MTH void instantiate ();
152 void reattach (); 240 void reattach ();
153 241
154protected: 242protected:
155 // do the real refcount checking work 243 // do the real refcount checking work
156 void do_check (); 244 void do_check ();
157 245
158 // the method that does the real destroy work 246 // the method that does the real destroy work
159 virtual void do_destroy (); 247 virtual void do_destroy ();
248
249 // destructor is protected, should not be called by anybody
250 virtual ~attachable ();
160}; 251};
161 252
162// 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
163struct global : attachable 254struct global : attachable
164{ 255{
165 void gather_callbacks (AV *&callbacks, event_type event) const; 256 void gather_callbacks (AV *&callbacks, event_type event) const;
166}; 257};
167 258
168extern struct global gbl_ev; 259extern struct global gbl_ev;
169 260
261//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
262
170struct object_freezer : dynbuf 263struct object_freezer : dynbuf_text
171{ 264{
172 AV *av; 265 AV *av;
173 266
174 object_freezer (); 267 object_freezer ();
175 ~object_freezer (); 268 ~object_freezer ();
179 // used only for user-defined key-value pairs 272 // used only for user-defined key-value pairs
180 void put (const shstr &k, const shstr &v) 273 void put (const shstr &k, const shstr &v)
181 { 274 {
182 add (k); 275 add (k);
183 276
184 if (v) 277 if (expect_true (v))
185 add (' '), add (v); 278 add (' '), add (v);
186 279
187 add ('\n'); 280 add ('\n');
188 } 281 }
189 282
190 //TODO//temporary, used only for saving body locations
191 void put (const char *k, int v)
192 {
193 add (k);
194 add (' ');
195 add (sint32 (v));
196 add ('\n');
197 }
198
199 template<typename T> 283 template<typename T>
200 void put_string (keyword k, const T &v) 284 void put_kw_string (keyword k, const T &v)
201 { 285 {
202 int klen = keyword_len [k]; 286 int klen = keyword_len [k];
203 int vlen = v ? strlen (v) + 1 : 0; 287 int vlen = v ? strlen (v) + 1 : 0;
204 288
205 char *p = (char *)alloc (klen + vlen + 1); 289 char *p = (char *)alloc (klen + vlen + 1);
206 290
207 memcpy (p, keyword_str [k], klen); p += klen; 291 memcpy (p, keyword_str [k], klen); p += klen;
208 292
209 if (v) 293 if (expect_true (v))
210 { 294 {
211 *p++ = ' '; vlen--; 295 *p++ = ' '; vlen--;
212 memcpy (p, v, vlen); p += vlen; 296 memcpy (p, v, vlen); p += vlen;
213 } 297 }
214 298
215 *p = '\n'; 299 *p = '\n';
216 } 300 }
217 301
218 void put (keyword k, const char *v) 302 void put (keyword k, const char *v = 0)
219 { 303 {
220 put_string (k, v); 304 put_kw_string (k, v);
221 } 305 }
222 306
223 void put (keyword k, const shstr &v) 307 void put (keyword k, const shstr &v)
224 { 308 {
225 put_string (k, v); 309 put_kw_string (k, v);
226 } 310 }
227 311
228 void put (keyword k, double v) 312 void put (keyword k, double v)
229 { 313 {
230 char buf [128]; 314 force (MAX_KEYWORD_LEN + 2 + 32);
231 315 fadd (keyword_str [k], keyword_len [k]);
232 snprintf (buf, 128, "%.7g", v); 316 fadd (' ');
233 317 falloc (sprintf (ptr, "%.7g", v));
234 put (k, (const char *)buf); 318 fadd ('\n');
235 } 319 }
236 320
237 void put_(keyword k, sint64 v) 321 void put_(keyword k, sint64 v)
238 { 322 {
323 force (MAX_KEYWORD_LEN + 2 + sint64_digits);
239 add (keyword_str [k], keyword_len [k]); 324 fadd (keyword_str [k], keyword_len [k]);
240 add (' '); 325 fadd (' ');
241 add (v); 326 add (v);
242 add ('\n'); 327 fadd ('\n');
243 } 328 }
244 329
245 void put_(keyword k, sint32 v) 330 void put_(keyword k, sint32 v)
246 { 331 {
332 force (MAX_KEYWORD_LEN + 2 + sint32_digits);
247 add (keyword_str [k], keyword_len [k]); 333 fadd (keyword_str [k], keyword_len [k]);
248 add (' '); 334 fadd (' ');
249 add (v); 335 add (v);
250 add ('\n'); 336 fadd ('\n');
251 }
252
253 void put (keyword kbeg, keyword kend, const shstr &v)
254 {
255 add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n');
256
257 if (v)
258 {
259 add (v);
260 add ('\n');
261 }
262
263 add (keyword_str [kend], keyword_len [kend]); add ('\n');
264 } 337 }
265 338
266 void put (keyword k, float v) { put (k, (double)v); } 339 void put (keyword k, float v) { put (k, (double)v); }
267 void put (keyword k, signed char v) { put_(k, (sint32)v); } 340 void put (keyword k, signed char v) { put_(k, (sint32)v); }
268 void put (keyword k, unsigned char v) { put_(k, (sint32)v); } 341 void put (keyword k, unsigned char v) { put_(k, (sint32)v); }
273 void put (keyword k, signed long v) { put_(k, (sint64)v); } 346 void put (keyword k, signed long v) { put_(k, (sint64)v); }
274 void put (keyword k, unsigned long v) { put_(k, (sint64)v); } 347 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
275 void put (keyword k, signed long long v) { put_(k, (sint64)v); } 348 void put (keyword k, signed long long v) { put_(k, (sint64)v); }
276 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); } 349 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }
277 350
278 template<typename T> 351 void put (keyword kbeg, keyword kend, const shstr &v)
352 {
353 force (MAX_KEYWORD_LEN + 1);
354 fadd (keyword_str [kbeg], keyword_len [kbeg]); fadd ('\n');
355
356 if (expect_true (v))
357 {
358 add (v);
359 add ('\n');
360 }
361
362 force (MAX_KEYWORD_LEN + 1);
363 fadd (keyword_str [kend], keyword_len [kend]); fadd ('\n');
364 }
365
366 void put (keyword k, archetype *v);
367 void put (keyword k, treasurelist *v);
279 void put (keyword k, const T *v) 368 void put (keyword k, faceinfo *v);
280 {
281 if (v)
282 put (k, v->name);
283 else
284 put (k, (const char *)0);
285 }
286 369
287 template<typename T> 370 template<typename T>
288 void put (keyword k, const refptr<T> &v) 371 void put (keyword k, const refptr<T> &v)
289 { 372 {
290 put (k, (T *)v); 373 put (k, (T *)v);
291 } 374 }
292 375
293 bool save (const char *filename); 376 bool save (const char *path);
294 char *as_string (); // like strdup 377 char *as_string (); // like strdup
295 378
296 operator bool () { return !!av; } 379 operator bool () { return !!av; }
297}; 380};
298 381
299// compatibility support, should be removed when no longer needed
300int fprintf (object_freezer &freezer, const char *format, ...);
301int fputs (const char *s, object_freezer &freezer);
302
303struct object_thawer 382struct object_thawer
304{ 383{
384 char *line; // current beginning of line
305 SV *text; // text part 385 SV *text; // text part
306 AV *av; // perl part 386 AV *av; // perl part
307 char *line; // current beginning of line 387 int linenum;
308 char *last_value; 388 keyword kw;
389 char *kw_str; // the keyword parsed, as string
390 char *value; // the value, or 0 if no value
391 char *value_nn; // the value, or the empty string if no value
392 const char *name;
309 393
310 operator bool () { return !!text; } 394 operator bool () { return !!text; }
311 395
312 object_thawer (const char *filename = 0); 396 object_thawer (const char *path = 0);
313 object_thawer (const char *data, AV *perlav); 397 object_thawer (const char *data, AV *perlav);
314 ~object_thawer (); 398 ~object_thawer ();
315 399
316 void get (attachable *obj, int oid); 400 void get (attachable *obj, int oid);
317 401
318 keyword get_kv (); // also parse value for later use 402 // parse next line
403 void next ();
404 // skip the current key-value (usually fetch next line, for
405 // multiline-fields, skips till the corresponding end-kw
406 void skip ();
319 407
320 const char *get_str () { return last_value; } // may be 0 408 char *get_str () { return value; } // may be 0
321
322 void get (shstr &sh) const;
323 void get_ornull (shstr &sh) const { sh = last_value; }
324 void get_ml (keyword kend, shstr &sh); 409 void get_ml (keyword kend, shstr &sh);
325 410
411 void get_ornull (shstr &sh) const { sh = value; }
412 void get (shstr &sh) const { sh = value; } // might want to check for non-null here
413
414 bool get_bool () const { return *value_nn == '1'; }
326 sint32 get_sint32 () const; 415 sint32 get_sint32 () const;
327 sint64 get_sint64 () const; 416 sint64 get_sint64 () const { return strtoll (value_nn, 0, 10); }
328 double get_double () const; 417 double get_double () const { return strtod (value_nn, 0); }
329 418
330 void get (float &v) { v = get_double (); } 419 void get (float &v) { v = get_double (); }
331 void get (double &v) { v = get_double (); } 420 void get (double &v) { v = get_double (); }
332 421
422 void get (bool &i) { i = get_bool (); }
333 void get (sint8 &i) { i = get_sint32 (); } 423 void get (sint8 &i) { i = get_sint32 (); }
334 void get (uint8 &i) { i = get_sint32 (); } 424 void get (uint8 &i) { i = get_sint32 (); }
335 void get (sint16 &i) { i = get_sint32 (); } 425 void get (sint16 &i) { i = get_sint32 (); }
336 void get (uint16 &i) { i = get_sint32 (); } 426 void get (uint16 &i) { i = get_sint32 (); }
337 void get (sint32 &i) { i = get_sint32 (); } 427 void get (sint32 &i) { i = get_sint32 (); }
338 428
339 void get (uint32 &i) { i = get_sint64 (); } 429 void get (uint32 &i) { i = get_sint64 (); }
340 void get (sint64 &i) { i = get_sint64 (); } 430 void get (sint64 &i) { i = get_sint64 (); }
341};
342 431
432 void parse_warn (const char *msg);
433 bool parse_error (const char *type = 0, const char *name = 0, bool skip = true);
434};
435
436//TODO: remove
343char *fgets (char *s, int n, object_thawer &thawer); 437char *fgets (char *s, int n, object_thawer &thawer);
438
439//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
440
441struct coroapi {
442 static struct CoroAPI *GCoroAPI;
443
444 static int nready () { return CORO_NREADY; }
445 static int cede () { return CORO_CEDE ; }
446
447 static tstamp next_cede;
448 static int cede_counter;
449
450 static void do_cede_every ();
451 static void do_cede_to_tick ();
452 static void do_cede_to_tick_every ();
453
454 static void cede_every (int count)
455 {
456 if (expect_false (++cede_counter >= count))
457 do_cede_every ();
458 }
459
460 static bool cede_to_tick ()
461 {
462 if (expect_true (now () < next_cede))
463 return false;
464
465 do_cede_to_tick ();
466 return true;
467 }
468
469 static bool cede_to_tick_every (int count)
470 {
471 if (expect_true (++cede_counter < count))
472 return false;
473
474 return cede_to_tick ();
475 }
476
477 static void wait_for_tick ();
478 static void wait_for_tick_begin ();
479};
344 480
345struct watcher_base 481struct watcher_base
346{ 482{
347 static struct EventAPI *GEventAPI; 483 static struct EventAPI *GEventAPI;
348}; 484};

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