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Comparing Coro/Coro/State.xs (file contents):
Revision 1.358 by root, Mon Jun 29 04:30:25 2009 UTC vs.
Revision 1.457 by root, Fri Jun 17 04:49:22 2016 UTC

1/* this works around a bug in mingw32 providing a non-working setjmp */
2#define USE_NO_MINGW_SETJMP_TWO_ARGS
3
4#define NDEBUG 1 /* perl usually disables NDEBUG later */
5
1#include "libcoro/coro.c" 6#include "libcoro/coro.c"
2 7
3#define PERL_NO_GET_CONTEXT 8#define PERL_NO_GET_CONTEXT
4#define PERL_EXT 9#define PERL_EXT
5 10
6#include "EXTERN.h" 11#include "EXTERN.h"
7#include "perl.h" 12#include "perl.h"
8#include "XSUB.h" 13#include "XSUB.h"
9#include "perliol.h" 14#include "perliol.h"
10 15
11#include "patchlevel.h" 16#include "schmorp.h"
12 17
18#define ECB_NO_THREADS 1
19#define ECB_NO_LIBM 1
20#include "ecb.h"
21
22#include <stddef.h>
13#include <stdio.h> 23#include <stdio.h>
14#include <errno.h> 24#include <errno.h>
15#include <assert.h> 25#include <assert.h>
16 26
17#ifdef WIN32 27#ifndef SvREFCNT_dec_NN
28 #define SvREFCNT_dec_NN(sv) SvREFCNT_dec (sv)
29#endif
30
31#ifndef SvREFCNT_inc_NN
32 #define SvREFCNT_inc_NN(sv) SvREFCNT_inc (sv)
33#endif
34
35#ifndef SVs_PADSTALE
36# define SVs_PADSTALE 0
37#endif
38
39#ifdef PadARRAY
40# define NEWPADAPI 1
41# define newPADLIST(var) (Newz (0, var, 1, PADLIST), Newx (PadlistARRAY (var), 2, PAD *))
42#else
43typedef AV PADNAMELIST;
44# if !PERL_VERSION_ATLEAST(5,8,0)
45typedef AV PADLIST;
46typedef AV PAD;
47# endif
48# define PadlistARRAY(pl) ((PAD **)AvARRAY (pl))
49# define PadlistMAX(pl) AvFILLp (pl)
50# define PadlistNAMES(pl) (*PadlistARRAY (pl))
51# define PadARRAY AvARRAY
52# define PadMAX AvFILLp
53# define newPADLIST(var) ((var) = newAV (), av_extend (var, 1))
54#endif
55#ifndef PadnamelistREFCNT
56# define PadnamelistREFCNT(pnl) SvREFCNT (pnl)
57#endif
58#ifndef PadnamelistREFCNT_dec
59# define PadnamelistREFCNT_dec(pnl) SvREFCNT_dec (pnl)
60#endif
61
62/* 5.19.something has replaced SVt_BIND by SVt_INVLIST */
63/* we just alias it to SVt_IV, as that is sufficient for swap_sv for now */
64#if PERL_VERSION_ATLEAST(5,19,0)
65# define SVt_BIND SVt_IV
66#endif
67
68#if defined(_WIN32)
69# undef HAS_GETTIMEOFDAY
18# undef setjmp 70# undef setjmp
19# undef longjmp 71# undef longjmp
20# undef _exit 72# undef _exit
21# define setjmp _setjmp /* deep magic */ 73# define setjmp _setjmp /* deep magic */
22#else 74#else
23# include <inttypes.h> /* most portable stdint.h */ 75# include <inttypes.h> /* most portable stdint.h */
24#endif 76#endif
25 77
26#ifdef HAVE_MMAP
27# include <unistd.h>
28# include <sys/mman.h>
29# ifndef MAP_ANONYMOUS
30# ifdef MAP_ANON
31# define MAP_ANONYMOUS MAP_ANON
32# else
33# undef HAVE_MMAP
34# endif
35# endif
36# include <limits.h>
37# ifndef PAGESIZE
38# define PAGESIZE pagesize
39# define BOOT_PAGESIZE pagesize = sysconf (_SC_PAGESIZE)
40static long pagesize;
41# else
42# define BOOT_PAGESIZE (void)0
43# endif
44#else
45# define PAGESIZE 0
46# define BOOT_PAGESIZE (void)0
47#endif
48
49#if CORO_USE_VALGRIND
50# include <valgrind/valgrind.h>
51#endif
52
53/* the maximum number of idle cctx that will be pooled */ 78/* the maximum number of idle cctx that will be pooled */
54static int cctx_max_idle = 4; 79static int cctx_max_idle = 4;
55 80
56#define PERL_VERSION_ATLEAST(a,b,c) \ 81#if defined(DEBUGGING) && PERL_VERSION_ATLEAST(5,12,0)
57 (PERL_REVISION > (a) \ 82# define HAS_SCOPESTACK_NAME 1
58 || (PERL_REVISION == (a) \
59 && (PERL_VERSION > (b) \
60 || (PERL_VERSION == (b) && PERL_SUBVERSION >= (c)))))
61
62#if !PERL_VERSION_ATLEAST (5,6,0)
63# ifndef PL_ppaddr
64# define PL_ppaddr ppaddr
65# endif
66# ifndef call_sv
67# define call_sv perl_call_sv
68# endif
69# ifndef get_sv
70# define get_sv perl_get_sv
71# endif
72# ifndef get_cv
73# define get_cv perl_get_cv
74# endif
75# ifndef IS_PADGV
76# define IS_PADGV(v) 0
77# endif
78# ifndef IS_PADCONST
79# define IS_PADCONST(v) 0
80# endif
81#endif
82
83/* 5.11 */
84#ifndef CxHASARGS
85# define CxHASARGS(cx) (cx)->blk_sub.hasargs
86#endif
87
88/* 5.10.0 */
89#ifndef SvREFCNT_inc_NN
90# define SvREFCNT_inc_NN(sv) SvREFCNT_inc (sv)
91#endif
92
93/* 5.8.8 */
94#ifndef GV_NOTQUAL
95# define GV_NOTQUAL 0
96#endif
97#ifndef newSV
98# define newSV(l) NEWSV(0,l)
99#endif
100#ifndef CvISXSUB_on
101# define CvISXSUB_on(cv) (void)cv
102#endif
103#ifndef CvISXSUB
104# define CvISXSUB(cv) (CvXSUB (cv) ? TRUE : FALSE)
105#endif
106#ifndef Newx
107# define Newx(ptr,nitems,type) New (0,ptr,nitems,type)
108#endif
109
110/* 5.8.7 */
111#ifndef SvRV_set
112# define SvRV_set(s,v) SvRV(s) = (v)
113#endif
114
115#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64
116# undef CORO_STACKGUARD
117#endif
118
119#ifndef CORO_STACKGUARD
120# define CORO_STACKGUARD 0
121#endif 83#endif
122 84
123/* prefer perl internal functions over our own? */ 85/* prefer perl internal functions over our own? */
124#ifndef CORO_PREFER_PERL_FUNCTIONS 86#ifndef CORO_PREFER_PERL_FUNCTIONS
125# define CORO_PREFER_PERL_FUNCTIONS 0 87# define CORO_PREFER_PERL_FUNCTIONS 0
… …
135# define STACKLEVEL ((void *)&stacklevel) 97# define STACKLEVEL ((void *)&stacklevel)
136#endif 98#endif
137 99
138#define IN_DESTRUCT PL_dirty 100#define IN_DESTRUCT PL_dirty
139 101
140#if __GNUC__ >= 3
141# define attribute(x) __attribute__(x)
142# define expect(expr,value) __builtin_expect ((expr), (value))
143# define INLINE static inline
144#else
145# define attribute(x)
146# define expect(expr,value) (expr)
147# define INLINE static
148#endif
149
150#define expect_false(expr) expect ((expr) != 0, 0)
151#define expect_true(expr) expect ((expr) != 0, 1)
152
153#define NOINLINE attribute ((noinline))
154
155#include "CoroAPI.h" 102#include "CoroAPI.h"
156#define GCoroAPI (&coroapi) /* very sneaky */ 103#define GCoroAPI (&coroapi) /* very sneaky */
157 104
158#ifdef USE_ITHREADS 105#ifdef USE_ITHREADS
159# if CORO_PTHREAD 106# if CORO_PTHREAD
… …
170# define CORO_CLOCK_THREAD_CPUTIME_ID 3 117# define CORO_CLOCK_THREAD_CPUTIME_ID 3
171# endif 118# endif
172#endif 119#endif
173 120
174static double (*nvtime)(); /* so why doesn't it take void? */ 121static double (*nvtime)(); /* so why doesn't it take void? */
122static void (*u2time)(pTHX_ UV ret[2]);
175 123
176/* we hijack an hopefully unused CV flag for our purposes */ 124/* we hijack an hopefully unused CV flag for our purposes */
177#define CVf_SLF 0x4000 125#define CVf_SLF 0x4000
178static OP *pp_slf (pTHX); 126static OP *pp_slf (pTHX);
127static void slf_destroy (pTHX_ struct coro *coro);
179 128
180static U32 cctx_gen; 129static U32 cctx_gen;
181static size_t cctx_stacksize = CORO_STACKSIZE; 130static size_t cctx_stacksize = CORO_STACKSIZE;
182static struct CoroAPI coroapi; 131static struct CoroAPI coroapi;
183static AV *main_mainstack; /* used to differentiate between $main and others */ 132static AV *main_mainstack; /* used to differentiate between $main and others */
… …
191 140
192static GV *irsgv; /* $/ */ 141static GV *irsgv; /* $/ */
193static GV *stdoutgv; /* *STDOUT */ 142static GV *stdoutgv; /* *STDOUT */
194static SV *rv_diehook; 143static SV *rv_diehook;
195static SV *rv_warnhook; 144static SV *rv_warnhook;
196static HV *hv_sig; /* %SIG */
197 145
198/* async_pool helper stuff */ 146/* async_pool helper stuff */
199static SV *sv_pool_rss; 147static SV *sv_pool_rss;
200static SV *sv_pool_size; 148static SV *sv_pool_size;
201static SV *sv_async_pool_idle; /* description string */ 149static SV *sv_async_pool_idle; /* description string */
202static AV *av_async_pool; /* idle pool */ 150static AV *av_async_pool; /* idle pool */
203static SV *sv_Coro; /* class string */ 151static SV *sv_Coro; /* class string */
204static CV *cv_pool_handler; 152static CV *cv_pool_handler;
205static CV *cv_coro_state_new;
206 153
207/* Coro::AnyEvent */ 154/* Coro::AnyEvent */
208static SV *sv_activity; 155static SV *sv_activity;
209 156
157/* enable processtime/realtime profiling */
158static char enable_times;
159typedef U32 coro_ts[2];
160static coro_ts time_real, time_cpu;
161static char times_valid;
162
210static struct coro_cctx *cctx_first; 163static struct coro_cctx *cctx_first;
211static int cctx_count, cctx_idle; 164static int cctx_count, cctx_idle;
212 165
213enum { 166enum
167{
214 CC_MAPPED = 0x01, 168 CC_MAPPED = 0x01,
215 CC_NOREUSE = 0x02, /* throw this away after tracing */ 169 CC_NOREUSE = 0x02, /* throw this away after tracing */
216 CC_TRACE = 0x04, 170 CC_TRACE = 0x04,
217 CC_TRACE_SUB = 0x08, /* trace sub calls */ 171 CC_TRACE_SUB = 0x08, /* trace sub calls */
218 CC_TRACE_LINE = 0x10, /* trace each statement */ 172 CC_TRACE_LINE = 0x10, /* trace each statement */
… …
223typedef struct coro_cctx 177typedef struct coro_cctx
224{ 178{
225 struct coro_cctx *next; 179 struct coro_cctx *next;
226 180
227 /* the stack */ 181 /* the stack */
228 void *sptr; 182 struct coro_stack stack;
229 size_t ssize;
230 183
231 /* cpu state */ 184 /* cpu state */
232 void *idle_sp; /* sp of top-level transfer/schedule/cede call */ 185 void *idle_sp; /* sp of top-level transfer/schedule/cede call */
186#ifndef NDEBUG
233 JMPENV *idle_te; /* same as idle_sp, but for top_env, TODO: remove once stable */ 187 JMPENV *idle_te; /* same as idle_sp, but for top_env */
188#endif
234 JMPENV *top_env; 189 JMPENV *top_env;
235 coro_context cctx; 190 coro_context cctx;
236 191
237 U32 gen; 192 U32 gen;
238#if CORO_USE_VALGRIND 193#if CORO_USE_VALGRIND
239 int valgrind_id; 194 int valgrind_id;
240#endif 195#endif
241 unsigned char flags; 196 unsigned char flags;
242} coro_cctx; 197} coro_cctx;
243 198
244coro_cctx *cctx_current; /* the currently running cctx */ 199static coro_cctx *cctx_current; /* the currently running cctx */
245 200
246/*****************************************************************************/ 201/*****************************************************************************/
247 202
203static MGVTBL coro_state_vtbl;
204
248enum { 205enum
206{
249 CF_RUNNING = 0x0001, /* coroutine is running */ 207 CF_RUNNING = 0x0001, /* coroutine is running */
250 CF_READY = 0x0002, /* coroutine is ready */ 208 CF_READY = 0x0002, /* coroutine is ready */
251 CF_NEW = 0x0004, /* has never been switched to */ 209 CF_NEW = 0x0004, /* has never been switched to */
252 CF_DESTROYED = 0x0008, /* coroutine data has been freed */ 210 CF_ZOMBIE = 0x0008, /* coroutine data has been freed */
253 CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */ 211 CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */
212 CF_NOCANCEL = 0x0020, /* cannot cancel, set slf_frame.data to 1 (hackish) */
254}; 213};
255 214
256/* the structure where most of the perl state is stored, overlaid on the cxstack */ 215/* the structure where most of the perl state is stored, overlaid on the cxstack */
257typedef struct 216typedef struct
258{ 217{
259 SV *defsv;
260 AV *defav;
261 SV *errsv;
262 SV *irsgv;
263 HV *hinthv;
264#define VAR(name,type) type name; 218 #define VARx(name,expr,type) type name;
265# include "state.h" 219 #include "state.h"
266#undef VAR
267} perl_slots; 220} perl_slots;
268 221
222/* how many context stack entries do we need for perl_slots */
269#define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) 223#define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT))
270 224
271/* this is a structure representing a perl-level coroutine */ 225/* this is a structure representing a perl-level coroutine */
272struct coro { 226struct coro
227{
273 /* the C coroutine allocated to this perl coroutine, if any */ 228 /* the C coroutine allocated to this perl coroutine, if any */
274 coro_cctx *cctx; 229 coro_cctx *cctx;
275 230
276 /* ready queue */ 231 /* ready queue */
277 struct coro *next_ready; 232 struct coro *next_ready;
… …
279 /* state data */ 234 /* state data */
280 struct CoroSLF slf_frame; /* saved slf frame */ 235 struct CoroSLF slf_frame; /* saved slf frame */
281 AV *mainstack; 236 AV *mainstack;
282 perl_slots *slot; /* basically the saved sp */ 237 perl_slots *slot; /* basically the saved sp */
283 238
284 CV *startcv; /* the CV to execute */ 239 CV *startcv; /* the CV to execute */
285 AV *args; /* data associated with this coroutine (initial args) */ 240 AV *args; /* data associated with this coroutine (initial args) */
286 int refcnt; /* coroutines are refcounted, yes */
287 int flags; /* CF_ flags */ 241 int flags; /* CF_ flags */
288 HV *hv; /* the perl hash associated with this coro, if any */ 242 HV *hv; /* the perl hash associated with this coro, if any */
289 void (*on_destroy)(pTHX_ struct coro *coro);
290 243
291 /* statistics */ 244 /* statistics */
292 int usecount; /* number of transfers to this coro */ 245 int usecount; /* number of transfers to this coro */
293 246
294 /* coro process data */ 247 /* coro process data */
295 int prio; 248 int prio;
296 SV *except; /* exception to be thrown */ 249 SV *except; /* exception to be thrown */
297 SV *rouse_cb; 250 SV *rouse_cb; /* last rouse callback */
251 AV *on_destroy; /* callbacks or coros to notify on destroy */
252 AV *status; /* the exit status list */
298 253
299 /* async_pool */ 254 /* async_pool */
300 SV *saved_deffh; 255 SV *saved_deffh;
301 SV *invoke_cb; 256 SV *invoke_cb;
302 AV *invoke_av; 257 AV *invoke_av;
303 258
304 /* on_enter/on_leave */ 259 /* on_enter/on_leave */
305 AV *on_enter; 260 AV *on_enter; AV *on_enter_xs;
306 AV *on_leave; 261 AV *on_leave; AV *on_leave_xs;
262
263 /* swap_sv */
264 AV *swap_sv;
265
266 /* times */
267 coro_ts t_cpu, t_real;
307 268
308 /* linked list */ 269 /* linked list */
309 struct coro *next, *prev; 270 struct coro *next, *prev;
310}; 271};
311 272
312typedef struct coro *Coro__State; 273typedef struct coro *Coro__State;
313typedef struct coro *Coro__State_or_hashref; 274typedef struct coro *Coro__State_or_hashref;
314 275
315/* the following variables are effectively part of the perl context */ 276/* the following variables are effectively part of the perl context */
316/* and get copied between struct coro and these variables */ 277/* and get copied between struct coro and these variables */
317/* the mainr easonw e don't support windows process emulation */ 278/* the main reason we don't support windows process emulation */
318static struct CoroSLF slf_frame; /* the current slf frame */ 279static struct CoroSLF slf_frame; /* the current slf frame */
319 280
320/** Coro ********************************************************************/ 281/** Coro ********************************************************************/
321 282
322#define CORO_PRIO_MAX 3 283#define CORO_PRIO_MAX 3
… …
328 289
329/* for Coro.pm */ 290/* for Coro.pm */
330static SV *coro_current; 291static SV *coro_current;
331static SV *coro_readyhook; 292static SV *coro_readyhook;
332static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ 293static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */
333static CV *cv_coro_run, *cv_coro_terminate; 294static CV *cv_coro_run;
334static struct coro *coro_first; 295static struct coro *coro_first;
335#define coro_nready coroapi.nready 296#define coro_nready coroapi.nready
336 297
298/** JIT *********************************************************************/
299
300#if CORO_JIT
301 /* APPLE doesn't have mmap though */
302 #define CORO_JIT_UNIXY (__linux || __FreeBSD__ || __OpenBSD__ || __NetBSD__ || __solaris || __APPLE__)
303 #ifndef CORO_JIT_TYPE
304 #if ECB_AMD64 && CORO_JIT_UNIXY
305 #define CORO_JIT_TYPE "amd64-unix"
306 #elif __i386 && CORO_JIT_UNIXY
307 #define CORO_JIT_TYPE "x86-unix"
308 #endif
309 #endif
310#endif
311
312#if !defined(CORO_JIT_TYPE) || _POSIX_MEMORY_PROTECTION <= 0
313 #undef CORO_JIT
314#endif
315
316#if CORO_JIT
317 typedef void (*load_save_perl_slots_type)(perl_slots *);
318 static load_save_perl_slots_type load_perl_slots, save_perl_slots;
319#endif
320
321/** Coro::Select ************************************************************/
322
323static OP *(*coro_old_pp_sselect) (pTHX);
324static SV *coro_select_select;
325
326/* horrible hack, but if it works... */
327static OP *
328coro_pp_sselect (pTHX)
329{
330 dSP;
331 PUSHMARK (SP - 4); /* fake argument list */
332 XPUSHs (coro_select_select);
333 PUTBACK;
334
335 /* entersub is an UNOP, select a LISTOP... keep your fingers crossed */
336 PL_op->op_flags |= OPf_STACKED;
337 PL_op->op_private = 0;
338 return PL_ppaddr [OP_ENTERSUB](aTHX);
339}
340
341/** time stuff **************************************************************/
342
343#ifdef HAS_GETTIMEOFDAY
344
345ecb_inline void
346coro_u2time (pTHX_ UV ret[2])
347{
348 struct timeval tv;
349 gettimeofday (&tv, 0);
350
351 ret [0] = tv.tv_sec;
352 ret [1] = tv.tv_usec;
353}
354
355ecb_inline double
356coro_nvtime (void)
357{
358 struct timeval tv;
359 gettimeofday (&tv, 0);
360
361 return tv.tv_sec + tv.tv_usec * 1e-6;
362}
363
364ecb_inline void
365time_init (pTHX)
366{
367 nvtime = coro_nvtime;
368 u2time = coro_u2time;
369}
370
371#else
372
373ecb_inline void
374time_init (pTHX)
375{
376 SV **svp;
377
378 require_pv ("Time/HiRes.pm");
379
380 svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0);
381
382 if (!svp) croak ("Time::HiRes is required, but missing. Caught");
383 if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer. Caught");
384
385 nvtime = INT2PTR (double (*)(), SvIV (*svp));
386
387 svp = hv_fetch (PL_modglobal, "Time::U2time", 12, 0);
388 u2time = INT2PTR (void (*)(pTHX_ UV ret[2]), SvIV (*svp));
389}
390
391#endif
392
337/** lowlevel stuff **********************************************************/ 393/** lowlevel stuff **********************************************************/
338 394
339static SV * 395static SV * ecb_noinline
340coro_get_sv (pTHX_ const char *name, int create) 396coro_get_sv (pTHX_ const char *name, int create)
341{ 397{
342#if PERL_VERSION_ATLEAST (5,10,0) 398#if PERL_VERSION_ATLEAST (5,10,0)
343 /* silence stupid and wrong 5.10 warning that I am unable to switch off */ 399 /* silence stupid and wrong 5.10 warning that I am unable to switch off */
344 get_sv (name, create); 400 get_sv (name, create);
345#endif 401#endif
346 return get_sv (name, create); 402 return get_sv (name, create);
347} 403}
348 404
349static AV * 405static AV * ecb_noinline
350coro_get_av (pTHX_ const char *name, int create) 406coro_get_av (pTHX_ const char *name, int create)
351{ 407{
352#if PERL_VERSION_ATLEAST (5,10,0) 408#if PERL_VERSION_ATLEAST (5,10,0)
353 /* silence stupid and wrong 5.10 warning that I am unable to switch off */ 409 /* silence stupid and wrong 5.10 warning that I am unable to switch off */
354 get_av (name, create); 410 get_av (name, create);
355#endif 411#endif
356 return get_av (name, create); 412 return get_av (name, create);
357} 413}
358 414
359static HV * 415static HV * ecb_noinline
360coro_get_hv (pTHX_ const char *name, int create) 416coro_get_hv (pTHX_ const char *name, int create)
361{ 417{
362#if PERL_VERSION_ATLEAST (5,10,0) 418#if PERL_VERSION_ATLEAST (5,10,0)
363 /* silence stupid and wrong 5.10 warning that I am unable to switch off */ 419 /* silence stupid and wrong 5.10 warning that I am unable to switch off */
364 get_hv (name, create); 420 get_hv (name, create);
365#endif 421#endif
366 return get_hv (name, create); 422 return get_hv (name, create);
367} 423}
368 424
369/* may croak */ 425ecb_inline void
370INLINE CV * 426coro_times_update (void)
371coro_sv_2cv (pTHX_ SV *sv)
372{ 427{
373 HV *st; 428#ifdef coro_clock_gettime
374 GV *gvp; 429 struct timespec ts;
375 CV *cv = sv_2cv (sv, &st, &gvp, 0);
376 430
377 if (!cv) 431 ts.tv_sec = ts.tv_nsec = 0;
378 croak ("code reference expected"); 432 coro_clock_gettime (CORO_CLOCK_THREAD_CPUTIME_ID, &ts);
433 time_cpu [0] = ts.tv_sec; time_cpu [1] = ts.tv_nsec;
379 434
380 return cv; 435 ts.tv_sec = ts.tv_nsec = 0;
436 coro_clock_gettime (CORO_CLOCK_MONOTONIC, &ts);
437 time_real [0] = ts.tv_sec; time_real [1] = ts.tv_nsec;
438#else
439 dTHX;
440 UV tv[2];
441
442 u2time (aTHX_ tv);
443 time_real [0] = tv [0];
444 time_real [1] = tv [1] * 1000;
445#endif
446}
447
448ecb_inline void
449coro_times_add (struct coro *c)
450{
451 c->t_real [1] += time_real [1];
452 if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; }
453 c->t_real [0] += time_real [0];
454
455 c->t_cpu [1] += time_cpu [1];
456 if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; }
457 c->t_cpu [0] += time_cpu [0];
458}
459
460ecb_inline void
461coro_times_sub (struct coro *c)
462{
463 if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; }
464 c->t_real [1] -= time_real [1];
465 c->t_real [0] -= time_real [0];
466
467 if (c->t_cpu [1] < time_cpu [1]) { c->t_cpu [1] += 1000000000; --c->t_cpu [0]; }
468 c->t_cpu [1] -= time_cpu [1];
469 c->t_cpu [0] -= time_cpu [0];
381} 470}
382 471
383/*****************************************************************************/ 472/*****************************************************************************/
384/* magic glue */ 473/* magic glue */
385 474
386#define CORO_MAGIC_type_cv 26 475#define CORO_MAGIC_type_cv 26
387#define CORO_MAGIC_type_state PERL_MAGIC_ext 476#define CORO_MAGIC_type_state PERL_MAGIC_ext
388 477
389#define CORO_MAGIC_NN(sv, type) \ 478#define CORO_MAGIC_NN(sv, type) \
390 (expect_true (SvMAGIC (sv)->mg_type == type) \ 479 (ecb_expect_true (SvMAGIC (sv)->mg_type == type) \
391 ? SvMAGIC (sv) \ 480 ? SvMAGIC (sv) \
392 : mg_find (sv, type)) 481 : mg_find (sv, type))
393 482
394#define CORO_MAGIC(sv, type) \ 483#define CORO_MAGIC(sv, type) \
395 (expect_true (SvMAGIC (sv)) \ 484 (ecb_expect_true (SvMAGIC (sv)) \
396 ? CORO_MAGIC_NN (sv, type) \ 485 ? CORO_MAGIC_NN (sv, type) \
397 : 0) 486 : 0)
398 487
399#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) 488#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
400#define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) 489#define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state)
401 490
402INLINE struct coro * 491ecb_inline MAGIC *
403SvSTATE_ (pTHX_ SV *coro) 492SvSTATEhv_p (pTHX_ SV *coro)
404{ 493{
405 HV *stash;
406 MAGIC *mg; 494 MAGIC *mg;
407 495
496 if (ecb_expect_true (
497 SvTYPE (coro) == SVt_PVHV
498 && (mg = CORO_MAGIC_state (coro))
499 && mg->mg_virtual == &coro_state_vtbl
500 ))
501 return mg;
502
503 return 0;
504}
505
506ecb_inline struct coro *
507SvSTATE_ (pTHX_ SV *coro_sv)
508{
509 MAGIC *mg;
510
408 if (SvROK (coro)) 511 if (SvROK (coro_sv))
409 coro = SvRV (coro); 512 coro_sv = SvRV (coro_sv);
410 513
411 if (expect_false (SvTYPE (coro) != SVt_PVHV)) 514 mg = SvSTATEhv_p (aTHX_ coro_sv);
515 if (!mg)
412 croak ("Coro::State object required"); 516 croak ("Coro::State object required");
413 517
414 stash = SvSTASH (coro);
415 if (expect_false (stash != coro_stash && stash != coro_state_stash))
416 {
417 /* very slow, but rare, check */
418 if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
419 croak ("Coro::State object required");
420 }
421
422 mg = CORO_MAGIC_state (coro);
423 return (struct coro *)mg->mg_ptr; 518 return (struct coro *)mg->mg_ptr;
424} 519}
425 520
426#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) 521#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
427 522
… …
430#define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) 525#define SvSTATE_current SvSTATE_hv (SvRV (coro_current))
431 526
432/*****************************************************************************/ 527/*****************************************************************************/
433/* padlist management and caching */ 528/* padlist management and caching */
434 529
435static AV * 530ecb_inline PADLIST *
436coro_derive_padlist (pTHX_ CV *cv) 531coro_derive_padlist (pTHX_ CV *cv)
437{ 532{
438 AV *padlist = CvPADLIST (cv); 533 PADLIST *padlist = CvPADLIST (cv);
439 AV *newpadlist, *newpad; 534 PADLIST *newpadlist;
535 PADNAMELIST *padnames;
536 PAD *newpad;
537 PADOFFSET off = PadlistMAX (padlist) + 1;
440 538
441 newpadlist = newAV (); 539#if NEWPADAPI
540
541 /* if we had the original CvDEPTH, we might be able to steal the CvDEPTH+1 entry instead */
542 /* 20131102194744.GA6705@schmorp.de, 20131102195825.2013.qmail@lists-nntp.develooper.com */
543 while (!PadlistARRAY (padlist)[off - 1])
544 --off;
545
546 Perl_pad_push (aTHX_ padlist, off);
547
548 newpad = PadlistARRAY (padlist)[off];
549 PadlistARRAY (padlist)[off] = 0;
550
551#else
552
553#if PERL_VERSION_ATLEAST (5,10,0)
554 Perl_pad_push (aTHX_ padlist, off);
555#else
556 Perl_pad_push (aTHX_ padlist, off, 1);
557#endif
558
559 newpad = PadlistARRAY (padlist)[off];
560 PadlistMAX (padlist) = off - 1;
561
562#endif
563
564 newPADLIST (newpadlist);
565#if !PERL_VERSION_ATLEAST(5,15,3)
566 /* Padlists are AvREAL as of 5.15.3. See perl bug #98092 and perl commit 7d953ba. */
442 AvREAL_off (newpadlist); 567 AvREAL_off (newpadlist);
443#if PERL_VERSION_ATLEAST (5,10,0)
444 Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);
445#else
446 Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
447#endif 568#endif
448 newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
449 --AvFILLp (padlist);
450 569
451 av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0])); 570 /* Already extended to 2 elements by newPADLIST. */
452 av_store (newpadlist, 1, (SV *)newpad); 571 PadlistMAX (newpadlist) = 1;
572
573 padnames = PadlistNAMES (padlist);
574 ++PadnamelistREFCNT (padnames);
575 PadlistNAMES (newpadlist) = padnames;
576
577 PadlistARRAY (newpadlist)[1] = newpad;
453 578
454 return newpadlist; 579 return newpadlist;
455} 580}
456 581
457static void 582ecb_inline void
458free_padlist (pTHX_ AV *padlist) 583free_padlist (pTHX_ PADLIST *padlist)
459{ 584{
460 /* may be during global destruction */ 585 /* may be during global destruction */
461 if (!IN_DESTRUCT) 586 if (!IN_DESTRUCT)
462 { 587 {
463 I32 i = AvFILLp (padlist); 588 I32 i = PadlistMAX (padlist);
464 589
465 while (i > 0) /* special-case index 0 */ 590 while (i > 0) /* special-case index 0 */
466 { 591 {
467 /* we try to be extra-careful here */ 592 /* we try to be extra-careful here */
468 AV *av = (AV *)AvARRAY (padlist)[i--]; 593 PAD *pad = PadlistARRAY (padlist)[i--];
469 I32 j = AvFILLp (av);
470 594
595 if (pad)
596 {
597 I32 j = PadMAX (pad);
598
471 while (j >= 0) 599 while (j >= 0)
472 SvREFCNT_dec (AvARRAY (av)[j--]); 600 SvREFCNT_dec (PadARRAY (pad)[j--]);
473 601
474 AvFILLp (av) = -1; 602 PadMAX (pad) = -1;
475 SvREFCNT_dec (av); 603 SvREFCNT_dec (pad);
604 }
476 } 605 }
477 606
478 SvREFCNT_dec (AvARRAY (padlist)[0]); 607 PadnamelistREFCNT_dec (PadlistNAMES (padlist));
479 608
609#if NEWPADAPI
610 Safefree (PadlistARRAY (padlist));
611 Safefree (padlist);
612#else
480 AvFILLp (padlist) = -1; 613 AvFILLp (padlist) = -1;
614 AvREAL_off (padlist);
481 SvREFCNT_dec ((SV*)padlist); 615 SvREFCNT_dec ((SV*)padlist);
616#endif
482 } 617 }
483} 618}
484 619
485static int 620static int
486coro_cv_free (pTHX_ SV *sv, MAGIC *mg) 621coro_cv_free (pTHX_ SV *sv, MAGIC *mg)
487{ 622{
488 AV *padlist; 623 PADLIST *padlist;
489 AV *av = (AV *)mg->mg_obj; 624 PADLIST **padlists = (PADLIST **)(mg->mg_ptr + sizeof(size_t));
625 size_t len = *(size_t *)mg->mg_ptr;
490 626
491 /* perl manages to free our internal AV and _then_ call us */ 627 /* perl manages to free our internal AV and _then_ call us */
492 if (IN_DESTRUCT) 628 if (IN_DESTRUCT)
493 return; 629 return 0;
494 630
495 /* casting is fun. */ 631 while (len--)
496 while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av)))
497 free_padlist (aTHX_ padlist); 632 free_padlist (aTHX_ padlists[len]);
498
499 SvREFCNT_dec (av); /* sv_magicext increased the refcount */
500 633
501 return 0; 634 return 0;
502} 635}
503 636
504static MGVTBL coro_cv_vtbl = { 637static MGVTBL coro_cv_vtbl = {
505 0, 0, 0, 0, 638 0, 0, 0, 0,
506 coro_cv_free 639 coro_cv_free
507}; 640};
508 641
509/* the next two functions merely cache the padlists */ 642/* the next two functions merely cache the padlists */
510static void 643ecb_inline void
511get_padlist (pTHX_ CV *cv) 644get_padlist (pTHX_ CV *cv)
512{ 645{
513 MAGIC *mg = CORO_MAGIC_cv (cv); 646 MAGIC *mg = CORO_MAGIC_cv (cv);
514 AV *av; 647 size_t *lenp;
515 648
516 if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) 649 if (ecb_expect_true (mg && *(lenp = (size_t *)mg->mg_ptr)))
517 CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; 650 CvPADLIST (cv) = ((PADLIST **)(mg->mg_ptr + sizeof(size_t)))[--*lenp];
518 else 651 else
519 { 652 {
520#if CORO_PREFER_PERL_FUNCTIONS 653#if CORO_PREFER_PERL_FUNCTIONS
521 /* this is probably cleaner? but also slower! */ 654 /* this is probably cleaner? but also slower! */
522 /* in practise, it seems to be less stable */ 655 /* in practise, it seems to be less stable */
… …
528 CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); 661 CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv);
529#endif 662#endif
530 } 663 }
531} 664}
532 665
533static void 666ecb_inline void
534put_padlist (pTHX_ CV *cv) 667put_padlist (pTHX_ CV *cv)
535{ 668{
536 MAGIC *mg = CORO_MAGIC_cv (cv); 669 MAGIC *mg = CORO_MAGIC_cv (cv);
537 AV *av;
538 670
539 if (expect_false (!mg)) 671 if (ecb_expect_false (!mg))
672 {
540 mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); 673 mg = sv_magicext ((SV *)cv, 0, CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0);
674 Newz (0, mg->mg_ptr ,sizeof (size_t) + sizeof (PADLIST *), char);
675 mg->mg_len = 1; /* so mg_free frees mg_ptr */
676 }
677 else
678 Renew (mg->mg_ptr,
679 sizeof(size_t) + (*(size_t *)mg->mg_ptr + 1) * sizeof(PADLIST *),
680 char);
541 681
542 av = (AV *)mg->mg_obj; 682 ((PADLIST **)(mg->mg_ptr + sizeof (size_t))) [(*(size_t *)mg->mg_ptr)++] = CvPADLIST (cv);
543
544 if (expect_false (AvFILLp (av) >= AvMAX (av)))
545 av_extend (av, AvFILLp (av) + 1);
546
547 AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
548} 683}
549 684
550/** load & save, init *******************************************************/ 685/** load & save, init *******************************************************/
686
687ecb_inline void
688swap_sv (SV *a, SV *b)
689{
690 const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */
691 SV tmp;
692
693 /* swap sv_any */
694 SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp);
695
696 /* swap sv_flags */
697 SvFLAGS (&tmp) = SvFLAGS (a);
698 SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep);
699 SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep);
700
701#if PERL_VERSION_ATLEAST (5,10,0)
702 /* perl 5.10 and later complicates this _quite_ a bit, but it also
703 * is much faster, so no quarrels here. alternatively, we could
704 * sv_upgrade to avoid this.
705 */
706 {
707 /* swap sv_u */
708 tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u;
709
710 /* if SvANY points to the head, we need to adjust the pointers,
711 * as the pointer for a still points to b, and maybe vice versa.
712 */
713 U32 svany_in_head_set = (1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV);
714 #if NVSIZE <= IVSIZE && PERL_VERSION_ATLEAST(5,22,0)
715 svany_in_head_set |= 1 << SVt_NV;
716 #endif
717
718 #define svany_in_head(type) (svany_in_head_set & (1 << (type)))
719
720 if (svany_in_head (SvTYPE (a)))
721 SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a);
722
723 if (svany_in_head (SvTYPE (b)))
724 SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b);
725 }
726#endif
727}
728
729/* swap sv heads, at least logically */
730static void
731swap_svs_enter (pTHX_ Coro__State c)
732{
733 int i;
734
735 for (i = AvFILLp (c->swap_sv) - 1; i >= 0; i -= 2)
736 swap_sv (AvARRAY (c->swap_sv)[i], AvARRAY (c->swap_sv)[i + 1]);
737}
738
739static void
740swap_svs_leave (pTHX_ Coro__State c)
741{
742 int i;
743
744 for (i = 0; i <= AvFILLp (c->swap_sv); i += 2)
745 swap_sv (AvARRAY (c->swap_sv)[i], AvARRAY (c->swap_sv)[i + 1]);
746}
747
748#define SWAP_SVS_ENTER(coro) \
749 if (ecb_expect_false ((coro)->swap_sv)) \
750 swap_svs_enter (aTHX_ (coro))
751
752#define SWAP_SVS_LEAVE(coro) \
753 if (ecb_expect_false ((coro)->swap_sv)) \
754 swap_svs_leave (aTHX_ (coro))
551 755
552static void 756static void
553on_enterleave_call (pTHX_ SV *cb); 757on_enterleave_call (pTHX_ SV *cb);
554 758
555static void 759static void
… …
558 perl_slots *slot = c->slot; 762 perl_slots *slot = c->slot;
559 c->slot = 0; 763 c->slot = 0;
560 764
561 PL_mainstack = c->mainstack; 765 PL_mainstack = c->mainstack;
562 766
563 GvSV (PL_defgv) = slot->defsv; 767#if CORO_JIT
564 GvAV (PL_defgv) = slot->defav; 768 load_perl_slots (slot);
565 GvSV (PL_errgv) = slot->errsv; 769#else
566 GvSV (irsgv) = slot->irsgv;
567 GvHV (PL_hintgv) = slot->hinthv;
568
569 #define VAR(name,type) PL_ ## name = slot->name; 770 #define VARx(name,expr,type) expr = slot->name;
570 # include "state.h" 771 #include "state.h"
571 #undef VAR 772#endif
572 773
573 { 774 {
574 dSP; 775 dSP;
575 776
576 CV *cv; 777 CV *cv;
577 778
578 /* now do the ugly restore mess */ 779 /* now do the ugly restore mess */
579 while (expect_true (cv = (CV *)POPs)) 780 while (ecb_expect_true (cv = (CV *)POPs))
580 { 781 {
581 put_padlist (aTHX_ cv); /* mark this padlist as available */ 782 put_padlist (aTHX_ cv); /* mark this padlist as available */
582 CvDEPTH (cv) = PTR2IV (POPs); 783 CvDEPTH (cv) = PTR2IV (POPs);
583 CvPADLIST (cv) = (AV *)POPs; 784 CvPADLIST (cv) = (PADLIST *)POPs;
584 } 785 }
585 786
586 PUTBACK; 787 PUTBACK;
587 } 788 }
588 789
589 slf_frame = c->slf_frame; 790 slf_frame = c->slf_frame;
590 CORO_THROW = c->except; 791 CORO_THROW = c->except;
591 792
793 if (ecb_expect_false (enable_times))
794 {
795 if (ecb_expect_false (!times_valid))
796 coro_times_update ();
797
798 coro_times_sub (c);
799 }
800
592 if (expect_false (c->on_enter)) 801 if (ecb_expect_false (c->on_enter))
593 { 802 {
594 int i; 803 int i;
595 804
596 for (i = 0; i <= AvFILLp (c->on_enter); ++i) 805 for (i = 0; i <= AvFILLp (c->on_enter); ++i)
597 on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); 806 on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]);
598 } 807 }
808
809 if (ecb_expect_false (c->on_enter_xs))
810 {
811 int i;
812
813 for (i = 0; i <= AvFILLp (c->on_enter_xs); i += 2)
814 ((coro_enterleave_hook)AvARRAY (c->on_enter_xs)[i]) (aTHX_ AvARRAY (c->on_enter_xs)[i + 1]);
815 }
816
817 SWAP_SVS_ENTER (c);
599} 818}
600 819
601static void 820static void
602save_perl (pTHX_ Coro__State c) 821save_perl (pTHX_ Coro__State c)
603{ 822{
823 SWAP_SVS_LEAVE (c);
824
825 if (ecb_expect_false (c->on_leave_xs))
826 {
827 int i;
828
829 for (i = AvFILLp (c->on_leave_xs) - 1; i >= 0; i -= 2)
830 ((coro_enterleave_hook)AvARRAY (c->on_leave_xs)[i]) (aTHX_ AvARRAY (c->on_leave_xs)[i + 1]);
831 }
832
604 if (expect_false (c->on_leave)) 833 if (ecb_expect_false (c->on_leave))
605 { 834 {
606 int i; 835 int i;
607 836
608 for (i = AvFILLp (c->on_leave); i >= 0; --i) 837 for (i = AvFILLp (c->on_leave); i >= 0; --i)
609 on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); 838 on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]);
839 }
840
841 times_valid = 0;
842
843 if (ecb_expect_false (enable_times))
844 {
845 coro_times_update (); times_valid = 1;
846 coro_times_add (c);
610 } 847 }
611 848
612 c->except = CORO_THROW; 849 c->except = CORO_THROW;
613 c->slf_frame = slf_frame; 850 c->slf_frame = slf_frame;
614 851
… …
625 862
626 XPUSHs (Nullsv); 863 XPUSHs (Nullsv);
627 /* this loop was inspired by pp_caller */ 864 /* this loop was inspired by pp_caller */
628 for (;;) 865 for (;;)
629 { 866 {
630 while (expect_true (cxix >= 0)) 867 while (ecb_expect_true (cxix >= 0))
631 { 868 {
632 PERL_CONTEXT *cx = &ccstk[cxix--]; 869 PERL_CONTEXT *cx = &ccstk[cxix--];
633 870
634 if (expect_true (CxTYPE (cx) == CXt_SUB) || expect_false (CxTYPE (cx) == CXt_FORMAT)) 871 if (ecb_expect_true (CxTYPE (cx) == CXt_SUB) || ecb_expect_false (CxTYPE (cx) == CXt_FORMAT))
635 { 872 {
636 CV *cv = cx->blk_sub.cv; 873 CV *cv = cx->blk_sub.cv;
637 874
638 if (expect_true (CvDEPTH (cv))) 875 if (ecb_expect_true (CvDEPTH (cv)))
639 { 876 {
640 EXTEND (SP, 3); 877 EXTEND (SP, 3);
641 PUSHs ((SV *)CvPADLIST (cv)); 878 PUSHs ((SV *)CvPADLIST (cv));
642 PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); 879 PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv)));
643 PUSHs ((SV *)cv); 880 PUSHs ((SV *)cv);
… …
646 get_padlist (aTHX_ cv); 883 get_padlist (aTHX_ cv);
647 } 884 }
648 } 885 }
649 } 886 }
650 887
651 if (expect_true (top_si->si_type == PERLSI_MAIN)) 888 if (ecb_expect_true (top_si->si_type == PERLSI_MAIN))
652 break; 889 break;
653 890
654 top_si = top_si->si_prev; 891 top_si = top_si->si_prev;
655 ccstk = top_si->si_cxstack; 892 ccstk = top_si->si_cxstack;
656 cxix = top_si->si_cxix; 893 cxix = top_si->si_cxix;
… …
658 895
659 PUTBACK; 896 PUTBACK;
660 } 897 }
661 898
662 /* allocate some space on the context stack for our purposes */ 899 /* allocate some space on the context stack for our purposes */
663 /* we manually unroll here, as usually 2 slots is enough */ 900 if (ecb_expect_false (cxstack_ix + (int)SLOT_COUNT >= cxstack_max))
664 if (SLOT_COUNT >= 1) CXINC;
665 if (SLOT_COUNT >= 2) CXINC;
666 if (SLOT_COUNT >= 3) CXINC;
667 { 901 {
668 int i; 902 unsigned int i;
903
669 for (i = 3; i < SLOT_COUNT; ++i) 904 for (i = 0; i < SLOT_COUNT; ++i)
670 CXINC; 905 CXINC;
671 } 906
672 cxstack_ix -= SLOT_COUNT; /* undo allocation */ 907 cxstack_ix -= SLOT_COUNT; /* undo allocation */
908 }
673 909
674 c->mainstack = PL_mainstack; 910 c->mainstack = PL_mainstack;
675 911
676 { 912 {
677 perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); 913 perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1);
678 914
679 slot->defav = GvAV (PL_defgv); 915#if CORO_JIT
680 slot->defsv = DEFSV; 916 save_perl_slots (slot);
681 slot->errsv = ERRSV; 917#else
682 slot->irsgv = GvSV (irsgv);
683 slot->hinthv = GvHV (PL_hintgv);
684
685 #define VAR(name,type) slot->name = PL_ ## name; 918 #define VARx(name,expr,type) slot->name = expr;
686 # include "state.h" 919 #include "state.h"
687 #undef VAR 920#endif
688 } 921 }
689} 922}
690 923
691/* 924/*
692 * allocate various perl stacks. This is almost an exact copy 925 * allocate various perl stacks. This is almost an exact copy
… …
698# define coro_init_stacks(thx) init_stacks () 931# define coro_init_stacks(thx) init_stacks ()
699#else 932#else
700static void 933static void
701coro_init_stacks (pTHX) 934coro_init_stacks (pTHX)
702{ 935{
703 PL_curstackinfo = new_stackinfo(32, 8); 936 PL_curstackinfo = new_stackinfo(32, 4 + SLOT_COUNT); /* 3 is minimum due to perl rounding down in scope.c:GROW() */
704 PL_curstackinfo->si_type = PERLSI_MAIN; 937 PL_curstackinfo->si_type = PERLSI_MAIN;
705 PL_curstack = PL_curstackinfo->si_stack; 938 PL_curstack = PL_curstackinfo->si_stack;
706 PL_mainstack = PL_curstack; /* remember in case we switch stacks */ 939 PL_mainstack = PL_curstack; /* remember in case we switch stacks */
707 940
708 PL_stack_base = AvARRAY(PL_curstack); 941 PL_stack_base = AvARRAY(PL_curstack);
… …
723#endif 956#endif
724 957
725 New(54,PL_scopestack,8,I32); 958 New(54,PL_scopestack,8,I32);
726 PL_scopestack_ix = 0; 959 PL_scopestack_ix = 0;
727 PL_scopestack_max = 8; 960 PL_scopestack_max = 8;
961#if HAS_SCOPESTACK_NAME
962 New(54,PL_scopestack_name,8,const char*);
963#endif
728 964
729 New(54,PL_savestack,24,ANY); 965 New(54,PL_savestack,24,ANY);
730 PL_savestack_ix = 0; 966 PL_savestack_ix = 0;
731 PL_savestack_max = 24; 967 PL_savestack_max = 24;
732 968
… …
760 } 996 }
761 997
762 Safefree (PL_tmps_stack); 998 Safefree (PL_tmps_stack);
763 Safefree (PL_markstack); 999 Safefree (PL_markstack);
764 Safefree (PL_scopestack); 1000 Safefree (PL_scopestack);
1001#if HAS_SCOPESTACK_NAME
1002 Safefree (PL_scopestack_name);
1003#endif
765 Safefree (PL_savestack); 1004 Safefree (PL_savestack);
766#if !PERL_VERSION_ATLEAST (5,10,0) 1005#if !PERL_VERSION_ATLEAST (5,10,0)
767 Safefree (PL_retstack); 1006 Safefree (PL_retstack);
768#endif 1007#endif
769} 1008}
… …
815#endif 1054#endif
816 1055
817/* 1056/*
818 * This overrides the default magic get method of %SIG elements. 1057 * This overrides the default magic get method of %SIG elements.
819 * The original one doesn't provide for reading back of PL_diehook/PL_warnhook 1058 * The original one doesn't provide for reading back of PL_diehook/PL_warnhook
820 * and instead of trying to save and restore the hash elements, we just provide 1059 * and instead of trying to save and restore the hash elements (extremely slow),
821 * readback here. 1060 * we just provide our own readback here.
822 */ 1061 */
823static int 1062static int ecb_cold
824coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) 1063coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg)
825{ 1064{
826 const char *s = MgPV_nolen_const (mg); 1065 const char *s = MgPV_nolen_const (mg);
827 1066
828 if (*s == '_') 1067 if (*s == '_')
829 { 1068 {
830 SV **svp = 0; 1069 SV **svp = 0;
831 1070
832 if (strEQ (s, "__DIE__" )) svp = &PL_diehook; 1071 if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
833 if (strEQ (s, "__WARN__")) svp = &PL_warnhook; 1072 if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
834 1073
835 if (svp) 1074 if (svp)
836 { 1075 {
837 sv_setsv (sv, *svp ? *svp : &PL_sv_undef); 1076 SV *ssv;
1077
1078 if (!*svp)
1079 ssv = &PL_sv_undef;
1080 else if (SvTYPE (*svp) == SVt_PVCV) /* perlio directly stores a CV in warnhook. ugh. */
1081 ssv = sv_2mortal (newRV_inc (*svp));
1082 else
1083 ssv = *svp;
1084
1085 sv_setsv (sv, ssv);
838 return 0; 1086 return 0;
839 } 1087 }
840 } 1088 }
841 1089
842 return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; 1090 return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0;
843} 1091}
844 1092
845static int 1093static int ecb_cold
846coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) 1094coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg)
847{ 1095{
848 const char *s = MgPV_nolen_const (mg); 1096 const char *s = MgPV_nolen_const (mg);
849 1097
850 if (*s == '_') 1098 if (*s == '_')
… …
864 } 1112 }
865 1113
866 return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; 1114 return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0;
867} 1115}
868 1116
869static int 1117static int ecb_cold
870coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) 1118coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg)
871{ 1119{
872 const char *s = MgPV_nolen_const (mg); 1120 const char *s = MgPV_nolen_const (mg);
873 1121
874 if (*s == '_') 1122 if (*s == '_')
… …
907slf_check_repeat (pTHX_ struct CoroSLF *frame) 1155slf_check_repeat (pTHX_ struct CoroSLF *frame)
908{ 1156{
909 return 1; 1157 return 1;
910} 1158}
911 1159
912static UNOP coro_setup_op; 1160static UNOP init_perl_op;
913 1161
914static void NOINLINE /* noinline to keep it out of the transfer fast path */ 1162ecb_noinline static void /* noinline to keep it out of the transfer fast path */
915coro_setup (pTHX_ struct coro *coro) 1163init_perl (pTHX_ struct coro *coro)
916{ 1164{
917 /* 1165 /*
918 * emulate part of the perl startup here. 1166 * emulate part of the perl startup here.
919 */ 1167 */
920 coro_init_stacks (aTHX); 1168 coro_init_stacks (aTHX);
… …
927 PL_comppad_name_fill = 0; 1175 PL_comppad_name_fill = 0;
928 PL_comppad_name_floor = 0; 1176 PL_comppad_name_floor = 0;
929 PL_curpm = 0; 1177 PL_curpm = 0;
930 PL_curpad = 0; 1178 PL_curpad = 0;
931 PL_localizing = 0; 1179 PL_localizing = 0;
932 PL_dirty = 0;
933 PL_restartop = 0; 1180 PL_restartop = 0;
934#if PERL_VERSION_ATLEAST (5,10,0) 1181#if PERL_VERSION_ATLEAST (5,10,0)
935 PL_parser = 0; 1182 PL_parser = 0;
936#endif 1183#endif
937 PL_hints = 0; 1184 PL_hints = 0;
938 1185
939 /* recreate the die/warn hooks */ 1186 /* recreate the die/warn hooks */
940 PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); 1187 PL_diehook = SvREFCNT_inc (rv_diehook);
941 PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook); 1188 PL_warnhook = SvREFCNT_inc (rv_warnhook);
942 1189
943 GvSV (PL_defgv) = newSV (0); 1190 GvSV (PL_defgv) = newSV (0);
944 GvAV (PL_defgv) = coro->args; coro->args = 0; 1191 GvAV (PL_defgv) = coro->args; coro->args = 0;
945 GvSV (PL_errgv) = newSV (0); 1192 GvSV (PL_errgv) = newSV (0);
946 GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); 1193 GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
947 GvHV (PL_hintgv) = 0; 1194 GvHV (PL_hintgv) = newHV ();
1195#if PERL_VERSION_ATLEAST (5,10,0)
1196 hv_magic (GvHV (PL_hintgv), 0, PERL_MAGIC_hints);
1197#endif
948 PL_rs = newSVsv (GvSV (irsgv)); 1198 PL_rs = newSVsv (GvSV (irsgv));
949 PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); 1199 PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);
950 1200
951 { 1201 {
952 dSP; 1202 dSP;
… …
967 /* this newly created coroutine might be run on an existing cctx which most 1217 /* this newly created coroutine might be run on an existing cctx which most
968 * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. 1218 * likely was suspended in pp_slf, so we have to emulate entering pp_slf here.
969 */ 1219 */
970 slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ 1220 slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */
971 slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ 1221 slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */
1222 slf_frame.destroy = 0;
972 1223
973 /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ 1224 /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */
974 coro_setup_op.op_next = PL_op; 1225 init_perl_op.op_next = PL_op;
975 coro_setup_op.op_type = OP_ENTERSUB; 1226 init_perl_op.op_type = OP_ENTERSUB;
976 coro_setup_op.op_ppaddr = pp_slf; 1227 init_perl_op.op_ppaddr = pp_slf;
977 /* no flags etc. required, as an init function won't be called */ 1228 /* no flags etc. required, as an init function won't be called */
978 1229
979 PL_op = (OP *)&coro_setup_op; 1230 PL_op = (OP *)&init_perl_op;
980 1231
981 /* copy throw, in case it was set before coro_setup */ 1232 /* copy throw, in case it was set before init_perl */
982 CORO_THROW = coro->except; 1233 CORO_THROW = coro->except;
1234
1235 SWAP_SVS_ENTER (coro);
1236
1237 if (ecb_expect_false (enable_times))
1238 {
1239 coro_times_update ();
1240 coro_times_sub (coro);
1241 }
983} 1242}
984 1243
985static void 1244static void
986coro_unwind_stacks (pTHX) 1245coro_unwind_stacks (pTHX)
987{ 1246{
… …
1002 dounwind (-1); 1261 dounwind (-1);
1003 } 1262 }
1004} 1263}
1005 1264
1006static void 1265static void
1007coro_destruct_perl (pTHX_ struct coro *coro) 1266destroy_perl (pTHX_ struct coro *coro)
1008{ 1267{
1009 SV *svf [9]; 1268 SV *svf [9];
1010 1269
1011 { 1270 {
1271 SV *old_current = SvRV (coro_current);
1012 struct coro *current = SvSTATE_current; 1272 struct coro *current = SvSTATE (old_current);
1013 1273
1014 assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack)); 1274 assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack));
1015 1275
1016 save_perl (aTHX_ current); 1276 save_perl (aTHX_ current);
1277
1278 /* this will cause transfer_check to croak on block*/
1279 SvRV_set (coro_current, (SV *)coro->hv);
1280
1017 load_perl (aTHX_ coro); 1281 load_perl (aTHX_ coro);
1018 1282
1283 /* restore swapped sv's */
1284 SWAP_SVS_LEAVE (coro);
1285
1019 coro_unwind_stacks (aTHX); 1286 coro_unwind_stacks (aTHX);
1287
1020 coro_destruct_stacks (aTHX); 1288 coro_destruct_stacks (aTHX);
1021 1289
1022 // now save some sv's to be free'd later 1290 /* now save some sv's to be free'd later */
1023 svf [0] = GvSV (PL_defgv); 1291 svf [0] = GvSV (PL_defgv);
1024 svf [1] = (SV *)GvAV (PL_defgv); 1292 svf [1] = (SV *)GvAV (PL_defgv);
1025 svf [2] = GvSV (PL_errgv); 1293 svf [2] = GvSV (PL_errgv);
1026 svf [3] = (SV *)PL_defoutgv; 1294 svf [3] = (SV *)PL_defoutgv;
1027 svf [4] = PL_rs; 1295 svf [4] = PL_rs;
… …
1029 svf [6] = (SV *)GvHV (PL_hintgv); 1297 svf [6] = (SV *)GvHV (PL_hintgv);
1030 svf [7] = PL_diehook; 1298 svf [7] = PL_diehook;
1031 svf [8] = PL_warnhook; 1299 svf [8] = PL_warnhook;
1032 assert (9 == sizeof (svf) / sizeof (*svf)); 1300 assert (9 == sizeof (svf) / sizeof (*svf));
1033 1301
1302 SvRV_set (coro_current, old_current);
1303
1034 load_perl (aTHX_ current); 1304 load_perl (aTHX_ current);
1035 } 1305 }
1036 1306
1037 { 1307 {
1038 int i; 1308 unsigned int i;
1039 1309
1040 for (i = 0; i < sizeof (svf) / sizeof (*svf); ++i) 1310 for (i = 0; i < sizeof (svf) / sizeof (*svf); ++i)
1041 SvREFCNT_dec (svf [i]); 1311 SvREFCNT_dec (svf [i]);
1042 1312
1043 SvREFCNT_dec (coro->saved_deffh); 1313 SvREFCNT_dec (coro->saved_deffh);
1044 SvREFCNT_dec (coro->rouse_cb); 1314 SvREFCNT_dec (coro->rouse_cb);
1045 SvREFCNT_dec (coro->invoke_cb); 1315 SvREFCNT_dec (coro->invoke_cb);
1046 SvREFCNT_dec (coro->invoke_av); 1316 SvREFCNT_dec (coro->invoke_av);
1317 SvREFCNT_dec (coro->on_enter_xs);
1318 SvREFCNT_dec (coro->on_leave_xs);
1047 } 1319 }
1048} 1320}
1049 1321
1050INLINE void 1322ecb_inline void
1051free_coro_mortal (pTHX) 1323free_coro_mortal (pTHX)
1052{ 1324{
1053 if (expect_true (coro_mortal)) 1325 if (ecb_expect_true (coro_mortal))
1054 { 1326 {
1055 SvREFCNT_dec (coro_mortal); 1327 SvREFCNT_dec ((SV *)coro_mortal);
1056 coro_mortal = 0; 1328 coro_mortal = 0;
1057 } 1329 }
1058} 1330}
1059 1331
1060static int 1332static int
… …
1114 1386
1115 if (PL_curcop != &PL_compiling) 1387 if (PL_curcop != &PL_compiling)
1116 { 1388 {
1117 SV **cb; 1389 SV **cb;
1118 1390
1119 if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB) 1391 if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB && cxstack_ix >= 0)
1120 { 1392 {
1121 PERL_CONTEXT *cx = &cxstack[cxstack_ix]; 1393 PERL_CONTEXT *cx = &cxstack[cxstack_ix];
1122 1394
1123 if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) 1395 if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)
1124 { 1396 {
… …
1193 1465
1194 return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ 1466 return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */
1195} 1467}
1196 1468
1197/* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ 1469/* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */
1198static void NOINLINE 1470static void ecb_noinline
1199cctx_prepare (pTHX) 1471cctx_prepare (pTHX)
1200{ 1472{
1201 PL_top_env = &PL_start_env; 1473 PL_top_env = &PL_start_env;
1202 1474
1203 if (cctx_current->flags & CC_TRACE) 1475 if (cctx_current->flags & CC_TRACE)
… …
1214 slf_frame.prepare = slf_prepare_set_stacklevel; 1486 slf_frame.prepare = slf_prepare_set_stacklevel;
1215 slf_frame.check = slf_check_set_stacklevel; 1487 slf_frame.check = slf_check_set_stacklevel;
1216} 1488}
1217 1489
1218/* the tail of transfer: execute stuff we can only do after a transfer */ 1490/* the tail of transfer: execute stuff we can only do after a transfer */
1219INLINE void 1491ecb_inline void
1220transfer_tail (pTHX) 1492transfer_tail (pTHX)
1221{ 1493{
1222 free_coro_mortal (aTHX); 1494 free_coro_mortal (aTHX);
1495}
1496
1497/* try to exit the same way perl's main function would do */
1498/* we do not bother resetting the environment or other things *7
1499/* that are not, uhm, essential */
1500/* this obviously also doesn't work when perl is embedded */
1501static void ecb_noinline ecb_cold
1502perlish_exit (pTHX)
1503{
1504 int exitstatus = perl_destruct (PL_curinterp);
1505 perl_free (PL_curinterp);
1506 exit (exitstatus);
1223} 1507}
1224 1508
1225/* 1509/*
1226 * this is a _very_ stripped down perl interpreter ;) 1510 * this is a _very_ stripped down perl interpreter ;)
1227 */ 1511 */
… …
1249 /* somebody or something will hit me for both perl_run and PL_restartop */ 1533 /* somebody or something will hit me for both perl_run and PL_restartop */
1250 PL_restartop = PL_op; 1534 PL_restartop = PL_op;
1251 perl_run (PL_curinterp); 1535 perl_run (PL_curinterp);
1252 /* 1536 /*
1253 * Unfortunately, there is no way to get at the return values of the 1537 * Unfortunately, there is no way to get at the return values of the
1254 * coro body here, as perl_run destroys these 1538 * coro body here, as perl_run destroys these. Likewise, we cannot catch
1539 * runtime errors here, as this is just a random interpreter, not a thread.
1255 */ 1540 */
1256 1541
1257 /* 1542 /*
1258 * If perl-run returns we assume exit() was being called or the coro 1543 * If perl-run returns we assume exit() was being called or the coro
1259 * fell off the end, which seems to be the only valid (non-bug) 1544 * fell off the end, which seems to be the only valid (non-bug)
1260 * reason for perl_run to return. We try to exit by jumping to the 1545 * reason for perl_run to return. We try to mimic whatever perl is normally
1261 * bootstrap-time "top" top_env, as we cannot restore the "main" 1546 * doing in that case. YMMV.
1262 * coroutine as Coro has no such concept.
1263 * This actually isn't valid with the pthread backend, but OSes requiring
1264 * that backend are too broken to do it in a standards-compliant way.
1265 */ 1547 */
1266 PL_top_env = main_top_env; 1548 perlish_exit (aTHX);
1267 JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */
1268 } 1549 }
1269} 1550}
1270 1551
1271static coro_cctx * 1552static coro_cctx *
1272cctx_new () 1553cctx_new (void)
1273{ 1554{
1274 coro_cctx *cctx; 1555 coro_cctx *cctx;
1275 1556
1276 ++cctx_count; 1557 ++cctx_count;
1277 New (0, cctx, 1, coro_cctx); 1558 New (0, cctx, 1, coro_cctx);
… …
1283 return cctx; 1564 return cctx;
1284} 1565}
1285 1566
1286/* create a new cctx only suitable as source */ 1567/* create a new cctx only suitable as source */
1287static coro_cctx * 1568static coro_cctx *
1288cctx_new_empty () 1569cctx_new_empty (void)
1289{ 1570{
1290 coro_cctx *cctx = cctx_new (); 1571 coro_cctx *cctx = cctx_new ();
1291 1572
1292 cctx->sptr = 0; 1573 cctx->stack.sptr = 0;
1293 coro_create (&cctx->cctx, 0, 0, 0, 0); 1574 coro_create (&cctx->cctx, 0, 0, 0, 0);
1294 1575
1295 return cctx; 1576 return cctx;
1296} 1577}
1297 1578
1298/* create a new cctx suitable as destination/running a perl interpreter */ 1579/* create a new cctx suitable as destination/running a perl interpreter */
1299static coro_cctx * 1580static coro_cctx *
1300cctx_new_run () 1581cctx_new_run (void)
1301{ 1582{
1302 coro_cctx *cctx = cctx_new (); 1583 coro_cctx *cctx = cctx_new ();
1303 void *stack_start;
1304 size_t stack_size;
1305 1584
1306#if HAVE_MMAP 1585 if (!coro_stack_alloc (&cctx->stack, cctx_stacksize))
1307 cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;
1308 /* mmap supposedly does allocate-on-write for us */
1309 cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0);
1310
1311 if (cctx->sptr != (void *)-1)
1312 {
1313 #if CORO_STACKGUARD
1314 mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE);
1315 #endif
1316 stack_start = (char *)cctx->sptr + CORO_STACKGUARD * PAGESIZE;
1317 stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE;
1318 cctx->flags |= CC_MAPPED;
1319 } 1586 {
1320 else
1321#endif
1322 {
1323 cctx->ssize = cctx_stacksize * (long)sizeof (long);
1324 New (0, cctx->sptr, cctx_stacksize, long);
1325
1326 if (!cctx->sptr)
1327 {
1328 perror ("FATAL: unable to allocate stack for coroutine, exiting."); 1587 perror ("FATAL: unable to allocate stack for coroutine, exiting.");
1329 _exit (EXIT_FAILURE); 1588 _exit (EXIT_FAILURE);
1330 }
1331
1332 stack_start = cctx->sptr;
1333 stack_size = cctx->ssize;
1334 } 1589 }
1335 1590
1336 #if CORO_USE_VALGRIND
1337 cctx->valgrind_id = VALGRIND_STACK_REGISTER ((char *)stack_start, (char *)stack_start + stack_size);
1338 #endif
1339
1340 coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size); 1591 coro_create (&cctx->cctx, cctx_run, (void *)cctx, cctx->stack.sptr, cctx->stack.ssze);
1341 1592
1342 return cctx; 1593 return cctx;
1343} 1594}
1344 1595
1345static void 1596static void
1346cctx_destroy (coro_cctx *cctx) 1597cctx_destroy (coro_cctx *cctx)
1347{ 1598{
1348 if (!cctx) 1599 if (!cctx)
1349 return; 1600 return;
1350 1601
1351 assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));//D temporary? 1602 assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));
1352 1603
1353 --cctx_count; 1604 --cctx_count;
1354 coro_destroy (&cctx->cctx); 1605 coro_destroy (&cctx->cctx);
1355 1606
1356 /* coro_transfer creates new, empty cctx's */ 1607 coro_stack_free (&cctx->stack);
1357 if (cctx->sptr)
1358 {
1359 #if CORO_USE_VALGRIND
1360 VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);
1361 #endif
1362
1363#if HAVE_MMAP
1364 if (cctx->flags & CC_MAPPED)
1365 munmap (cctx->sptr, cctx->ssize);
1366 else
1367#endif
1368 Safefree (cctx->sptr);
1369 }
1370 1608
1371 Safefree (cctx); 1609 Safefree (cctx);
1372} 1610}
1373 1611
1374/* wether this cctx should be destructed */ 1612/* wether this cctx should be destructed */
1375#define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) 1613#define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE))
1376 1614
1377static coro_cctx * 1615static coro_cctx *
1378cctx_get (pTHX) 1616cctx_get (pTHX)
1379{ 1617{
1380 while (expect_true (cctx_first)) 1618 while (ecb_expect_true (cctx_first))
1381 { 1619 {
1382 coro_cctx *cctx = cctx_first; 1620 coro_cctx *cctx = cctx_first;
1383 cctx_first = cctx->next; 1621 cctx_first = cctx->next;
1384 --cctx_idle; 1622 --cctx_idle;
1385 1623
1386 if (expect_true (!CCTX_EXPIRED (cctx))) 1624 if (ecb_expect_true (!CCTX_EXPIRED (cctx)))
1387 return cctx; 1625 return cctx;
1388 1626
1389 cctx_destroy (cctx); 1627 cctx_destroy (cctx);
1390 } 1628 }
1391 1629
… …
1393} 1631}
1394 1632
1395static void 1633static void
1396cctx_put (coro_cctx *cctx) 1634cctx_put (coro_cctx *cctx)
1397{ 1635{
1398 assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr)); 1636 assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->stack.sptr));
1399 1637
1400 /* free another cctx if overlimit */ 1638 /* free another cctx if overlimit */
1401 if (expect_false (cctx_idle >= cctx_max_idle)) 1639 if (ecb_expect_false (cctx_idle >= cctx_max_idle))
1402 { 1640 {
1403 coro_cctx *first = cctx_first; 1641 coro_cctx *first = cctx_first;
1404 cctx_first = first->next; 1642 cctx_first = first->next;
1405 --cctx_idle; 1643 --cctx_idle;
1406 1644
… …
1417static void 1655static void
1418transfer_check (pTHX_ struct coro *prev, struct coro *next) 1656transfer_check (pTHX_ struct coro *prev, struct coro *next)
1419{ 1657{
1420 /* TODO: throwing up here is considered harmful */ 1658 /* TODO: throwing up here is considered harmful */
1421 1659
1422 if (expect_true (prev != next)) 1660 if (ecb_expect_true (prev != next))
1423 { 1661 {
1424 if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) 1662 if (ecb_expect_false (!(prev->flags & (CF_RUNNING | CF_NEW))))
1425 croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); 1663 croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,");
1426 1664
1427 if (expect_false (next->flags & (CF_RUNNING | CF_DESTROYED | CF_SUSPENDED))) 1665 if (ecb_expect_false (next->flags & (CF_RUNNING | CF_ZOMBIE | CF_SUSPENDED)))
1428 croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); 1666 croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,");
1429 1667
1430#if !PERL_VERSION_ATLEAST (5,10,0) 1668#if !PERL_VERSION_ATLEAST (5,10,0)
1431 if (expect_false (PL_lex_state != LEX_NOTPARSING)) 1669 if (ecb_expect_false (PL_lex_state != LEX_NOTPARSING))
1432 croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); 1670 croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,");
1433#endif 1671#endif
1434 } 1672 }
1435} 1673}
1436 1674
1437/* always use the TRANSFER macro */ 1675/* always use the TRANSFER macro */
1438static void NOINLINE /* noinline so we have a fixed stackframe */ 1676static void ecb_noinline /* noinline so we have a fixed stackframe */
1439transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) 1677transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx)
1440{ 1678{
1441 dSTACKLEVEL; 1679 dSTACKLEVEL;
1442 1680
1443 /* sometimes transfer is only called to set idle_sp */ 1681 /* sometimes transfer is only called to set idle_sp */
1444 if (expect_false (!prev)) 1682 if (ecb_expect_false (!prev))
1445 { 1683 {
1446 cctx_current->idle_sp = STACKLEVEL; 1684 cctx_current->idle_sp = STACKLEVEL;
1447 assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ 1685 assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */
1448 } 1686 }
1449 else if (expect_true (prev != next)) 1687 else if (ecb_expect_true (prev != next))
1450 { 1688 {
1451 coro_cctx *cctx_prev; 1689 coro_cctx *cctx_prev;
1452 1690
1453 if (expect_false (prev->flags & CF_NEW)) 1691 if (ecb_expect_false (prev->flags & CF_NEW))
1454 { 1692 {
1455 /* create a new empty/source context */ 1693 /* create a new empty/source context */
1456 prev->flags &= ~CF_NEW; 1694 prev->flags &= ~CF_NEW;
1457 prev->flags |= CF_RUNNING; 1695 prev->flags |= CF_RUNNING;
1458 } 1696 }
… …
1461 next->flags |= CF_RUNNING; 1699 next->flags |= CF_RUNNING;
1462 1700
1463 /* first get rid of the old state */ 1701 /* first get rid of the old state */
1464 save_perl (aTHX_ prev); 1702 save_perl (aTHX_ prev);
1465 1703
1466 if (expect_false (next->flags & CF_NEW)) 1704 if (ecb_expect_false (next->flags & CF_NEW))
1467 { 1705 {
1468 /* need to start coroutine */ 1706 /* need to start coroutine */
1469 next->flags &= ~CF_NEW; 1707 next->flags &= ~CF_NEW;
1470 /* setup coroutine call */ 1708 /* setup coroutine call */
1471 coro_setup (aTHX_ next); 1709 init_perl (aTHX_ next);
1472 } 1710 }
1473 else 1711 else
1474 load_perl (aTHX_ next); 1712 load_perl (aTHX_ next);
1475 1713
1476 /* possibly untie and reuse the cctx */ 1714 /* possibly untie and reuse the cctx */
1477 if (expect_true ( 1715 if (ecb_expect_true (
1478 cctx_current->idle_sp == STACKLEVEL 1716 cctx_current->idle_sp == STACKLEVEL
1479 && !(cctx_current->flags & CC_TRACE) 1717 && !(cctx_current->flags & CC_TRACE)
1480 && !force_cctx 1718 && !force_cctx
1481 )) 1719 ))
1482 { 1720 {
1483 /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ 1721 /* I assume that stacklevel is a stronger indicator than PL_top_env changes */
1484 assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); 1722 assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te));
1485 1723
1486 /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ 1724 /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */
1487 /* without this the next cctx_get might destroy the running cctx while still in use */ 1725 /* without this the next cctx_get might destroy the running cctx while still in use */
1488 if (expect_false (CCTX_EXPIRED (cctx_current))) 1726 if (ecb_expect_false (CCTX_EXPIRED (cctx_current)))
1489 if (expect_true (!next->cctx)) 1727 if (ecb_expect_true (!next->cctx))
1490 next->cctx = cctx_get (aTHX); 1728 next->cctx = cctx_get (aTHX);
1491 1729
1492 cctx_put (cctx_current); 1730 cctx_put (cctx_current);
1493 } 1731 }
1494 else 1732 else
1495 prev->cctx = cctx_current; 1733 prev->cctx = cctx_current;
1496 1734
1497 ++next->usecount; 1735 ++next->usecount;
1498 1736
1499 cctx_prev = cctx_current; 1737 cctx_prev = cctx_current;
1500 cctx_current = expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); 1738 cctx_current = ecb_expect_false (next->cctx) ? next->cctx : cctx_get (aTHX);
1501 1739
1502 next->cctx = 0; 1740 next->cctx = 0;
1503 1741
1504 if (expect_false (cctx_prev != cctx_current)) 1742 if (ecb_expect_false (cctx_prev != cctx_current))
1505 { 1743 {
1506 cctx_prev->top_env = PL_top_env; 1744 cctx_prev->top_env = PL_top_env;
1507 PL_top_env = cctx_current->top_env; 1745 PL_top_env = cctx_current->top_env;
1508 coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); 1746 coro_transfer (&cctx_prev->cctx, &cctx_current->cctx);
1509 } 1747 }
… …
1515#define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) 1753#define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx))
1516#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) 1754#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)
1517 1755
1518/** high level stuff ********************************************************/ 1756/** high level stuff ********************************************************/
1519 1757
1758/* this function is actually Coro, not Coro::State, but we call it from here */
1759/* because it is convenient - but it hasn't been declared yet for that reason */
1520static int 1760static void
1761coro_call_on_destroy (pTHX_ struct coro *coro);
1762
1763static void
1521coro_state_destroy (pTHX_ struct coro *coro) 1764coro_state_destroy (pTHX_ struct coro *coro)
1522{ 1765{
1523 if (coro->flags & CF_DESTROYED) 1766 if (coro->flags & CF_ZOMBIE)
1524 return 0; 1767 return;
1525 1768
1526 if (coro->on_destroy && !PL_dirty)
1527 coro->on_destroy (aTHX_ coro); 1769 slf_destroy (aTHX_ coro);
1528 1770
1529 coro->flags |= CF_DESTROYED; 1771 coro->flags |= CF_ZOMBIE;
1530 1772
1531 if (coro->flags & CF_READY) 1773 if (coro->flags & CF_READY)
1532 { 1774 {
1533 /* reduce nready, as destroying a ready coro effectively unreadies it */ 1775 /* reduce nready, as destroying a ready coro effectively unreadies it */
1534 /* alternative: look through all ready queues and remove the coro */ 1776 /* alternative: look through all ready queues and remove the coro */
1535 --coro_nready; 1777 --coro_nready;
1536 } 1778 }
1537 else 1779 else
1538 coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ 1780 coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */
1781
1782 if (coro->next) coro->next->prev = coro->prev;
1783 if (coro->prev) coro->prev->next = coro->next;
1784 if (coro == coro_first) coro_first = coro->next;
1539 1785
1540 if (coro->mainstack 1786 if (coro->mainstack
1541 && coro->mainstack != main_mainstack 1787 && coro->mainstack != main_mainstack
1542 && coro->slot 1788 && coro->slot
1543 && !PL_dirty) 1789 && !PL_dirty)
1544 coro_destruct_perl (aTHX_ coro); 1790 destroy_perl (aTHX_ coro);
1545 1791
1546 cctx_destroy (coro->cctx); 1792 cctx_destroy (coro->cctx);
1547 SvREFCNT_dec (coro->startcv); 1793 SvREFCNT_dec (coro->startcv);
1548 SvREFCNT_dec (coro->args); 1794 SvREFCNT_dec (coro->args);
1795 SvREFCNT_dec (coro->swap_sv);
1549 SvREFCNT_dec (CORO_THROW); 1796 SvREFCNT_dec (CORO_THROW);
1550 1797
1551 if (coro->next) coro->next->prev = coro->prev; 1798 coro_call_on_destroy (aTHX_ coro);
1552 if (coro->prev) coro->prev->next = coro->next;
1553 if (coro == coro_first) coro_first = coro->next;
1554 1799
1555 return 1; 1800 /* more destruction mayhem in coro_state_free */
1556} 1801}
1557 1802
1558static int 1803static int
1559coro_state_free (pTHX_ SV *sv, MAGIC *mg) 1804coro_state_free (pTHX_ SV *sv, MAGIC *mg)
1560{ 1805{
1561 struct coro *coro = (struct coro *)mg->mg_ptr; 1806 struct coro *coro = (struct coro *)mg->mg_ptr;
1562 mg->mg_ptr = 0; 1807 mg->mg_ptr = 0;
1563 1808
1564 coro->hv = 0;
1565
1566 if (--coro->refcnt < 0)
1567 {
1568 coro_state_destroy (aTHX_ coro); 1809 coro_state_destroy (aTHX_ coro);
1810 SvREFCNT_dec (coro->on_destroy);
1811 SvREFCNT_dec (coro->status);
1812
1569 Safefree (coro); 1813 Safefree (coro);
1570 }
1571 1814
1572 return 0; 1815 return 0;
1573} 1816}
1574 1817
1575static int 1818static int ecb_cold
1576coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) 1819coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params)
1577{ 1820{
1578 struct coro *coro = (struct coro *)mg->mg_ptr; 1821 /* called when perl clones the current process the slow way (windows process emulation) */
1579 1822 /* WE SIMply nuke the pointers in the copy, causing perl to croak */
1580 ++coro->refcnt; 1823 mg->mg_ptr = 0;
1824 mg->mg_virtual = 0;
1581 1825
1582 return 0; 1826 return 0;
1583} 1827}
1584 1828
1585static MGVTBL coro_state_vtbl = { 1829static MGVTBL coro_state_vtbl = {
… …
1608 1852
1609 prepare_transfer (aTHX_ &ta, prev_sv, next_sv); 1853 prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1610 TRANSFER (ta, 1); 1854 TRANSFER (ta, 1);
1611} 1855}
1612 1856
1613/*****************************************************************************/
1614/* gensub: simple closure generation utility */
1615
1616#define GENSUB_ARG CvXSUBANY (cv).any_ptr
1617
1618/* create a closure from XS, returns a code reference */
1619/* the arg can be accessed via GENSUB_ARG from the callback */
1620/* the callback must use dXSARGS/XSRETURN */
1621static SV *
1622gensub (pTHX_ void (*xsub)(pTHX_ CV *), void *arg)
1623{
1624 CV *cv = (CV *)newSV (0);
1625
1626 sv_upgrade ((SV *)cv, SVt_PVCV);
1627
1628 CvANON_on (cv);
1629 CvISXSUB_on (cv);
1630 CvXSUB (cv) = xsub;
1631 GENSUB_ARG = arg;
1632
1633 return newRV_noinc ((SV *)cv);
1634}
1635
1636/** Coro ********************************************************************/ 1857/** Coro ********************************************************************/
1637 1858
1638INLINE void 1859ecb_inline void
1639coro_enq (pTHX_ struct coro *coro) 1860coro_enq (pTHX_ struct coro *coro)
1640{ 1861{
1641 struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; 1862 struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN];
1642 1863
1643 SvREFCNT_inc_NN (coro->hv); 1864 SvREFCNT_inc_NN (coro->hv);
… …
1645 coro->next_ready = 0; 1866 coro->next_ready = 0;
1646 *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; 1867 *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro;
1647 ready [1] = coro; 1868 ready [1] = coro;
1648} 1869}
1649 1870
1650INLINE struct coro * 1871ecb_inline struct coro *
1651coro_deq (pTHX) 1872coro_deq (pTHX)
1652{ 1873{
1653 int prio; 1874 int prio;
1654 1875
1655 for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) 1876 for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; )
… …
1665 } 1886 }
1666 1887
1667 return 0; 1888 return 0;
1668} 1889}
1669 1890
1891static void
1892invoke_sv_ready_hook_helper (void)
1893{
1894 dTHX;
1895 dSP;
1896
1897 ENTER;
1898 SAVETMPS;
1899
1900 PUSHMARK (SP);
1901 PUTBACK;
1902 call_sv (coro_readyhook, G_VOID | G_DISCARD);
1903
1904 FREETMPS;
1905 LEAVE;
1906}
1907
1670static int 1908static int
1671api_ready (pTHX_ SV *coro_sv) 1909api_ready (pTHX_ SV *coro_sv)
1672{ 1910{
1673 struct coro *coro;
1674 SV *sv_hook;
1675 void (*xs_hook)(void);
1676
1677 coro = SvSTATE (coro_sv); 1911 struct coro *coro = SvSTATE (coro_sv);
1678 1912
1679 if (coro->flags & CF_READY) 1913 if (coro->flags & CF_READY)
1680 return 0; 1914 return 0;
1681 1915
1682 coro->flags |= CF_READY; 1916 coro->flags |= CF_READY;
1683 1917
1684 sv_hook = coro_nready ? 0 : coro_readyhook;
1685 xs_hook = coro_nready ? 0 : coroapi.readyhook;
1686
1687 coro_enq (aTHX_ coro); 1918 coro_enq (aTHX_ coro);
1688 ++coro_nready;
1689 1919
1690 if (sv_hook) 1920 if (!coro_nready++)
1691 { 1921 if (coroapi.readyhook)
1692 dSP; 1922 coroapi.readyhook ();
1693
1694 ENTER;
1695 SAVETMPS;
1696
1697 PUSHMARK (SP);
1698 PUTBACK;
1699 call_sv (sv_hook, G_VOID | G_DISCARD);
1700
1701 FREETMPS;
1702 LEAVE;
1703 }
1704
1705 if (xs_hook)
1706 xs_hook ();
1707 1923
1708 return 1; 1924 return 1;
1709} 1925}
1710 1926
1711static int 1927static int
… …
1713{ 1929{
1714 return !!(SvSTATE (coro_sv)->flags & CF_READY); 1930 return !!(SvSTATE (coro_sv)->flags & CF_READY);
1715} 1931}
1716 1932
1717/* expects to own a reference to next->hv */ 1933/* expects to own a reference to next->hv */
1718INLINE void 1934ecb_inline void
1719prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) 1935prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next)
1720{ 1936{
1721 SV *prev_sv = SvRV (coro_current); 1937 SV *prev_sv = SvRV (coro_current);
1722 1938
1723 ta->prev = SvSTATE_hv (prev_sv); 1939 ta->prev = SvSTATE_hv (prev_sv);
… …
1736{ 1952{
1737 for (;;) 1953 for (;;)
1738 { 1954 {
1739 struct coro *next = coro_deq (aTHX); 1955 struct coro *next = coro_deq (aTHX);
1740 1956
1741 if (expect_true (next)) 1957 if (ecb_expect_true (next))
1742 { 1958 {
1743 /* cannot transfer to destroyed coros, skip and look for next */ 1959 /* cannot transfer to destroyed coros, skip and look for next */
1744 if (expect_false (next->flags & (CF_DESTROYED | CF_SUSPENDED))) 1960 if (ecb_expect_false (next->flags & (CF_ZOMBIE | CF_SUSPENDED)))
1745 SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ 1961 SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */
1746 else 1962 else
1747 { 1963 {
1748 next->flags &= ~CF_READY; 1964 next->flags &= ~CF_READY;
1749 --coro_nready; 1965 --coro_nready;
… …
1756 { 1972 {
1757 /* nothing to schedule: call the idle handler */ 1973 /* nothing to schedule: call the idle handler */
1758 if (SvROK (sv_idle) 1974 if (SvROK (sv_idle)
1759 && SvOBJECT (SvRV (sv_idle))) 1975 && SvOBJECT (SvRV (sv_idle)))
1760 { 1976 {
1977 if (SvRV (sv_idle) == SvRV (coro_current))
1978 {
1979 require_pv ("Carp");
1980
1981 {
1982 dSP;
1983
1984 ENTER;
1985 SAVETMPS;
1986
1987 PUSHMARK (SP);
1988 XPUSHs (sv_2mortal (newSVpv ("FATAL: $Coro::idle blocked itself - did you try to block inside an event loop callback? Caught", 0)));
1989 PUTBACK;
1990 call_pv ("Carp::confess", G_VOID | G_DISCARD);
1991
1992 FREETMPS;
1993 LEAVE;
1994 }
1995 }
1996
1761 ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ 1997 ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */
1762 api_ready (aTHX_ SvRV (sv_idle)); 1998 api_ready (aTHX_ SvRV (sv_idle));
1763 --coro_nready; 1999 --coro_nready;
1764 } 2000 }
1765 else 2001 else
1766 { 2002 {
2003 /* TODO: deprecated, remove, cannot work reliably *//*D*/
1767 dSP; 2004 dSP;
1768 2005
1769 ENTER; 2006 ENTER;
1770 SAVETMPS; 2007 SAVETMPS;
1771 2008
… …
1778 } 2015 }
1779 } 2016 }
1780 } 2017 }
1781} 2018}
1782 2019
1783INLINE void 2020ecb_inline void
1784prepare_cede (pTHX_ struct coro_transfer_args *ta) 2021prepare_cede (pTHX_ struct coro_transfer_args *ta)
1785{ 2022{
1786 api_ready (aTHX_ coro_current); 2023 api_ready (aTHX_ coro_current);
1787 prepare_schedule (aTHX_ ta); 2024 prepare_schedule (aTHX_ ta);
1788} 2025}
1789 2026
1790INLINE void 2027ecb_inline void
1791prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) 2028prepare_cede_notself (pTHX_ struct coro_transfer_args *ta)
1792{ 2029{
1793 SV *prev = SvRV (coro_current); 2030 SV *prev = SvRV (coro_current);
1794 2031
1795 if (coro_nready) 2032 if (coro_nready)
… …
1825{ 2062{
1826 struct coro_transfer_args ta; 2063 struct coro_transfer_args ta;
1827 2064
1828 prepare_cede (aTHX_ &ta); 2065 prepare_cede (aTHX_ &ta);
1829 2066
1830 if (expect_true (ta.prev != ta.next)) 2067 if (ecb_expect_true (ta.prev != ta.next))
1831 { 2068 {
1832 TRANSFER (ta, 1); 2069 TRANSFER (ta, 1);
1833 return 1; 2070 return 1;
1834 } 2071 }
1835 else 2072 else
… …
1878 coro->slot->runops = RUNOPS_DEFAULT; 2115 coro->slot->runops = RUNOPS_DEFAULT;
1879 } 2116 }
1880} 2117}
1881 2118
1882static void 2119static void
2120coro_push_av (pTHX_ AV *av, I32 gimme_v)
2121{
2122 if (AvFILLp (av) >= 0 && gimme_v != G_VOID)
2123 {
2124 dSP;
2125
2126 if (gimme_v == G_SCALAR)
2127 XPUSHs (AvARRAY (av)[AvFILLp (av)]);
2128 else
2129 {
2130 int i;
2131 EXTEND (SP, AvFILLp (av) + 1);
2132
2133 for (i = 0; i <= AvFILLp (av); ++i)
2134 PUSHs (AvARRAY (av)[i]);
2135 }
2136
2137 PUTBACK;
2138 }
2139}
2140
2141static void
2142coro_push_on_destroy (pTHX_ struct coro *coro, SV *cb)
2143{
2144 if (!coro->on_destroy)
2145 coro->on_destroy = newAV ();
2146
2147 av_push (coro->on_destroy, cb);
2148}
2149
2150static void
2151slf_destroy_join (pTHX_ struct CoroSLF *frame)
2152{
2153 SvREFCNT_dec ((SV *)((struct coro *)frame->data)->hv);
2154}
2155
2156static int
2157slf_check_join (pTHX_ struct CoroSLF *frame)
2158{
2159 struct coro *coro = (struct coro *)frame->data;
2160
2161 if (!coro->status)
2162 return 1;
2163
2164 frame->destroy = 0;
2165
2166 coro_push_av (aTHX_ coro->status, GIMME_V);
2167
2168 SvREFCNT_dec ((SV *)coro->hv);
2169
2170 return 0;
2171}
2172
2173static void
2174slf_init_join (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
2175{
2176 struct coro *coro = SvSTATE (items > 0 ? arg [0] : &PL_sv_undef);
2177
2178 if (items > 1)
2179 croak ("join called with too many arguments");
2180
2181 if (coro->status)
2182 frame->prepare = prepare_nop;
2183 else
2184 {
2185 coro_push_on_destroy (aTHX_ coro, SvREFCNT_inc_NN (SvRV (coro_current)));
2186 frame->prepare = prepare_schedule;
2187 }
2188
2189 frame->check = slf_check_join;
2190 frame->destroy = slf_destroy_join;
2191 frame->data = (void *)coro;
2192 SvREFCNT_inc (coro->hv);
2193}
2194
2195static void
1883coro_call_on_destroy (pTHX_ struct coro *coro) 2196coro_call_on_destroy (pTHX_ struct coro *coro)
1884{ 2197{
1885 SV **on_destroyp = hv_fetch (coro->hv, "_on_destroy", sizeof ("_on_destroy") - 1, 0); 2198 AV *od = coro->on_destroy;
1886 SV **statusp = hv_fetch (coro->hv, "_status", sizeof ("_status") - 1, 0);
1887 2199
1888 if (on_destroyp) 2200 if (!od)
1889 { 2201 return;
1890 AV *on_destroy = (AV *)SvRV (*on_destroyp);
1891 2202
2203 coro->on_destroy = 0;
2204 sv_2mortal ((SV *)od);
2205
1892 while (AvFILLp (on_destroy) >= 0) 2206 while (AvFILLp (od) >= 0)
2207 {
2208 SV *cb = sv_2mortal (av_pop (od));
2209
2210 /* coro hv's (and only hv's at the moment) are supported as well */
2211 if (SvSTATEhv_p (aTHX_ cb))
2212 api_ready (aTHX_ cb);
2213 else
1893 { 2214 {
1894 dSP; /* don't disturb outer sp */ 2215 dSP; /* don't disturb outer sp */
1895 SV *cb = av_pop (on_destroy);
1896
1897 PUSHMARK (SP); 2216 PUSHMARK (SP);
1898 2217
1899 if (statusp) 2218 if (coro->status)
1900 { 2219 {
1901 int i; 2220 PUTBACK;
1902 AV *status = (AV *)SvRV (*statusp); 2221 coro_push_av (aTHX_ coro->status, G_ARRAY);
1903 EXTEND (SP, AvFILLp (status) + 1); 2222 SPAGAIN;
1904
1905 for (i = 0; i <= AvFILLp (status); ++i)
1906 PUSHs (AvARRAY (status)[i]);
1907 } 2223 }
1908 2224
1909 PUTBACK; 2225 PUTBACK;
1910 call_sv (sv_2mortal (cb), G_VOID | G_DISCARD); 2226 call_sv (cb, G_VOID | G_DISCARD);
1911 } 2227 }
1912 } 2228 }
1913} 2229}
1914 2230
1915static void 2231static void
1916slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) 2232coro_set_status (pTHX_ struct coro *coro, SV **arg, int items)
1917{ 2233{
2234 AV *av;
2235
2236 if (coro->status)
2237 {
2238 av = coro->status;
2239 av_clear (av);
2240 }
2241 else
2242 av = coro->status = newAV ();
2243
2244 /* items are actually not so common, so optimise for this case */
2245 if (items)
2246 {
1918 int i; 2247 int i;
1919 HV *hv = (HV *)SvRV (coro_current);
1920 AV *av = newAV ();
1921 2248
1922 av_extend (av, items - 1); 2249 av_extend (av, items - 1);
2250
1923 for (i = 0; i < items; ++i) 2251 for (i = 0; i < items; ++i)
1924 av_push (av, SvREFCNT_inc_NN (arg [i])); 2252 av_push (av, SvREFCNT_inc_NN (arg [i]));
2253 }
2254}
1925 2255
1926 hv_store (hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0); 2256static void
1927 2257slf_init_terminate_cancel_common (pTHX_ struct CoroSLF *frame, HV *coro_hv)
2258{
1928 av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */ 2259 av_push (av_destroy, (SV *)newRV_inc ((SV *)coro_hv)); /* RVinc for perl */
1929 api_ready (aTHX_ sv_manager); 2260 api_ready (aTHX_ sv_manager);
1930 2261
1931 frame->prepare = prepare_schedule; 2262 frame->prepare = prepare_schedule;
1932 frame->check = slf_check_repeat; 2263 frame->check = slf_check_repeat;
1933 2264
1934 /* as a minor optimisation, we could unwind all stacks here */ 2265 /* as a minor optimisation, we could unwind all stacks here */
1935 /* but that puts extra pressure on pp_slf, and is not worth much */ 2266 /* but that puts extra pressure on pp_slf, and is not worth much */
1936 /*coro_unwind_stacks (aTHX);*/ 2267 /*coro_unwind_stacks (aTHX);*/
2268}
2269
2270static void
2271slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
2272{
2273 HV *coro_hv = (HV *)SvRV (coro_current);
2274
2275 coro_set_status (aTHX_ SvSTATE ((SV *)coro_hv), arg, items);
2276 slf_init_terminate_cancel_common (aTHX_ frame, coro_hv);
2277}
2278
2279static void
2280slf_init_cancel (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
2281{
2282 HV *coro_hv;
2283 struct coro *coro;
2284
2285 if (items <= 0)
2286 croak ("Coro::cancel called without coro object,");
2287
2288 coro = SvSTATE (arg [0]);
2289 coro_hv = coro->hv;
2290
2291 coro_set_status (aTHX_ coro, arg + 1, items - 1);
2292
2293 if (ecb_expect_false (coro->flags & CF_NOCANCEL))
2294 {
2295 /* coro currently busy cancelling something, so just notify it */
2296 coro->slf_frame.data = (void *)coro;
2297
2298 frame->prepare = prepare_nop;
2299 frame->check = slf_check_nop;
2300 }
2301 else if (coro_hv == (HV *)SvRV (coro_current))
2302 {
2303 /* cancelling the current coro is allowed, and equals terminate */
2304 slf_init_terminate_cancel_common (aTHX_ frame, coro_hv);
2305 }
2306 else
2307 {
2308 struct coro *self = SvSTATE_current;
2309
2310 if (!self)
2311 croak ("Coro::cancel called outside of thread content,");
2312
2313 /* otherwise we cancel directly, purely for speed reasons
2314 * unfortunately, this requires some magic trickery, as
2315 * somebody else could cancel us, so we have to fight the cancellation.
2316 * this is ugly, and hopefully fully worth the extra speed.
2317 * besides, I can't get the slow-but-safe version working...
2318 */
2319 slf_frame.data = 0;
2320 self->flags |= CF_NOCANCEL;
2321 coro_state_destroy (aTHX_ coro);
2322 self->flags &= ~CF_NOCANCEL;
2323
2324 if (slf_frame.data)
2325 {
2326 /* while we were busy we have been cancelled, so terminate */
2327 slf_init_terminate_cancel_common (aTHX_ frame, self->hv);
2328 }
2329 else
2330 {
2331 frame->prepare = prepare_nop;
2332 frame->check = slf_check_nop;
2333 }
2334 }
2335}
2336
2337static int
2338slf_check_safe_cancel (pTHX_ struct CoroSLF *frame)
2339{
2340 frame->prepare = 0;
2341 coro_unwind_stacks (aTHX);
2342
2343 slf_init_terminate_cancel_common (aTHX_ frame, (HV *)SvRV (coro_current));
2344
2345 return 1;
2346}
2347
2348static int
2349safe_cancel (pTHX_ struct coro *coro, SV **arg, int items)
2350{
2351 if (coro->cctx)
2352 croak ("coro inside C callback, unable to cancel at this time, caught");
2353
2354 if (coro->flags & CF_NEW)
2355 {
2356 coro_set_status (aTHX_ coro, arg, items);
2357 coro_state_destroy (aTHX_ coro);
2358 }
2359 else
2360 {
2361 if (!coro->slf_frame.prepare)
2362 croak ("coro outside an SLF function, unable to cancel at this time, caught");
2363
2364 slf_destroy (aTHX_ coro);
2365
2366 coro_set_status (aTHX_ coro, arg, items);
2367 coro->slf_frame.prepare = prepare_nop;
2368 coro->slf_frame.check = slf_check_safe_cancel;
2369
2370 api_ready (aTHX_ (SV *)coro->hv);
2371 }
2372
2373 return 1;
1937} 2374}
1938 2375
1939/*****************************************************************************/ 2376/*****************************************************************************/
1940/* async pool handler */ 2377/* async pool handler */
1941 2378
… …
1972slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) 2409slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
1973{ 2410{
1974 HV *hv = (HV *)SvRV (coro_current); 2411 HV *hv = (HV *)SvRV (coro_current);
1975 struct coro *coro = SvSTATE_hv ((SV *)hv); 2412 struct coro *coro = SvSTATE_hv ((SV *)hv);
1976 2413
1977 if (expect_true (coro->saved_deffh)) 2414 if (ecb_expect_true (coro->saved_deffh))
1978 { 2415 {
1979 /* subsequent iteration */ 2416 /* subsequent iteration */
1980 SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; 2417 SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh;
1981 coro->saved_deffh = 0; 2418 coro->saved_deffh = 0;
1982 2419
1983 if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) 2420 if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss)
1984 || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) 2421 || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
1985 { 2422 {
1986 coro->invoke_cb = SvREFCNT_inc_NN ((SV *)cv_coro_terminate); 2423 slf_init_terminate_cancel_common (aTHX_ frame, hv);
1987 coro->invoke_av = newAV (); 2424 return;
1988
1989 frame->prepare = prepare_nop;
1990 } 2425 }
1991 else 2426 else
1992 { 2427 {
1993 av_clear (GvAV (PL_defgv)); 2428 av_clear (GvAV (PL_defgv));
1994 hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); 2429 hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0);
… …
2019 2454
2020static void 2455static void
2021coro_rouse_callback (pTHX_ CV *cv) 2456coro_rouse_callback (pTHX_ CV *cv)
2022{ 2457{
2023 dXSARGS; 2458 dXSARGS;
2024 SV *data = (SV *)GENSUB_ARG; 2459 SV *data = (SV *)S_GENSUB_ARG;
2025 2460
2026 if (SvTYPE (SvRV (data)) != SVt_PVAV) 2461 if (SvTYPE (SvRV (data)) != SVt_PVAV)
2027 { 2462 {
2028 /* first call, set args */ 2463 /* first call, set args */
2029 SV *coro = SvRV (data); 2464 SV *coro = SvRV (data);
… …
2044 2479
2045static int 2480static int
2046slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) 2481slf_check_rouse_wait (pTHX_ struct CoroSLF *frame)
2047{ 2482{
2048 SV *data = (SV *)frame->data; 2483 SV *data = (SV *)frame->data;
2049 2484
2050 if (CORO_THROW) 2485 if (CORO_THROW)
2051 return 0; 2486 return 0;
2052 2487
2053 if (SvTYPE (SvRV (data)) != SVt_PVAV) 2488 if (SvTYPE (SvRV (data)) != SVt_PVAV)
2054 return 1; 2489 return 1;
… …
2090 cb = sv_2mortal (coro->rouse_cb); 2525 cb = sv_2mortal (coro->rouse_cb);
2091 coro->rouse_cb = 0; 2526 coro->rouse_cb = 0;
2092 } 2527 }
2093 2528
2094 if (!SvROK (cb) 2529 if (!SvROK (cb)
2095 || SvTYPE (SvRV (cb)) != SVt_PVCV 2530 || SvTYPE (SvRV (cb)) != SVt_PVCV
2096 || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) 2531 || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback)
2097 croak ("Coro::rouse_wait called with illegal callback argument,"); 2532 croak ("Coro::rouse_wait called with illegal callback argument,");
2098 2533
2099 { 2534 {
2100 CV *cv = (CV *)SvRV (cb); /* for GENSUB_ARG */ 2535 CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */
2101 SV *data = (SV *)GENSUB_ARG; 2536 SV *data = (SV *)S_GENSUB_ARG;
2102 2537
2103 frame->data = (void *)data; 2538 frame->data = (void *)data;
2104 frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule; 2539 frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule;
2105 frame->check = slf_check_rouse_wait; 2540 frame->check = slf_check_rouse_wait;
2106 } 2541 }
… …
2110coro_new_rouse_cb (pTHX) 2545coro_new_rouse_cb (pTHX)
2111{ 2546{
2112 HV *hv = (HV *)SvRV (coro_current); 2547 HV *hv = (HV *)SvRV (coro_current);
2113 struct coro *coro = SvSTATE_hv (hv); 2548 struct coro *coro = SvSTATE_hv (hv);
2114 SV *data = newRV_inc ((SV *)hv); 2549 SV *data = newRV_inc ((SV *)hv);
2115 SV *cb = gensub (aTHX_ coro_rouse_callback, (void *)data); 2550 SV *cb = s_gensub (aTHX_ coro_rouse_callback, (void *)data);
2116 2551
2117 sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0); 2552 sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0);
2118 SvREFCNT_dec (data); /* magicext increases the refcount */ 2553 SvREFCNT_dec (data); /* magicext increases the refcount */
2119 2554
2120 SvREFCNT_dec (coro->rouse_cb); 2555 SvREFCNT_dec (coro->rouse_cb);
… …
2217static void 2652static void
2218slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) 2653slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
2219{ 2654{
2220 frame->prepare = prepare_cede_notself; 2655 frame->prepare = prepare_cede_notself;
2221 frame->check = slf_check_nop; 2656 frame->check = slf_check_nop;
2657}
2658
2659/* "undo"/cancel a running slf call - used when cancelling a coro, mainly */
2660static void
2661slf_destroy (pTHX_ struct coro *coro)
2662{
2663 struct CoroSLF frame = coro->slf_frame;
2664
2665 /*
2666 * The on_destroy below most likely is from an SLF call.
2667 * Since by definition the SLF call will not finish when we destroy
2668 * the coro, we will have to force-finish it here, otherwise
2669 * cleanup functions cannot call SLF functions.
2670 */
2671 coro->slf_frame.prepare = 0;
2672
2673 /* this callback is reserved for slf functions needing to do cleanup */
2674 if (frame.destroy && frame.prepare && !PL_dirty)
2675 frame.destroy (aTHX_ &frame);
2222} 2676}
2223 2677
2224/* 2678/*
2225 * these not obviously related functions are all rolled into one 2679 * these not obviously related functions are all rolled into one
2226 * function to increase chances that they all will call transfer with the same 2680 * function to increase chances that they all will call transfer with the same
… …
2233 I32 checkmark; /* mark SP to see how many elements check has pushed */ 2687 I32 checkmark; /* mark SP to see how many elements check has pushed */
2234 2688
2235 /* set up the slf frame, unless it has already been set-up */ 2689 /* set up the slf frame, unless it has already been set-up */
2236 /* the latter happens when a new coro has been started */ 2690 /* the latter happens when a new coro has been started */
2237 /* or when a new cctx was attached to an existing coroutine */ 2691 /* or when a new cctx was attached to an existing coroutine */
2238 if (expect_true (!slf_frame.prepare)) 2692 if (ecb_expect_true (!slf_frame.prepare))
2239 { 2693 {
2240 /* first iteration */ 2694 /* first iteration */
2241 dSP; 2695 dSP;
2242 SV **arg = PL_stack_base + TOPMARK + 1; 2696 SV **arg = PL_stack_base + TOPMARK + 1;
2243 int items = SP - arg; /* args without function object */ 2697 int items = SP - arg; /* args without function object */
… …
2284 while (slf_frame.check (aTHX_ &slf_frame)); 2738 while (slf_frame.check (aTHX_ &slf_frame));
2285 2739
2286 slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ 2740 slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */
2287 2741
2288 /* exception handling */ 2742 /* exception handling */
2289 if (expect_false (CORO_THROW)) 2743 if (ecb_expect_false (CORO_THROW))
2290 { 2744 {
2291 SV *exception = sv_2mortal (CORO_THROW); 2745 SV *exception = sv_2mortal (CORO_THROW);
2292 2746
2293 CORO_THROW = 0; 2747 CORO_THROW = 0;
2294 sv_setsv (ERRSV, exception); 2748 sv_setsv (ERRSV, exception);
2295 croak (0); 2749 croak (0);
2296 } 2750 }
2297 2751
2298 /* return value handling - mostly like entersub */ 2752 /* return value handling - mostly like entersub */
2299 /* make sure we put something on the stack in scalar context */ 2753 /* make sure we put something on the stack in scalar context */
2300 if (GIMME_V == G_SCALAR) 2754 if (GIMME_V == G_SCALAR
2755 && ecb_expect_false (PL_stack_sp != PL_stack_base + checkmark + 1))
2301 { 2756 {
2302 dSP; 2757 dSP;
2303 SV **bot = PL_stack_base + checkmark; 2758 SV **bot = PL_stack_base + checkmark;
2304 2759
2305 if (sp == bot) /* too few, push undef */ 2760 if (sp == bot) /* too few, push undef */
2306 bot [1] = &PL_sv_undef; 2761 bot [1] = &PL_sv_undef;
2307 else if (sp != bot + 1) /* too many, take last one */ 2762 else /* too many, take last one */
2308 bot [1] = *sp; 2763 bot [1] = *sp;
2309 2764
2310 SP = bot + 1; 2765 SP = bot + 1;
2311 2766
2312 PUTBACK; 2767 PUTBACK;
… …
2345 if (PL_op->op_flags & OPf_STACKED) 2800 if (PL_op->op_flags & OPf_STACKED)
2346 { 2801 {
2347 if (items > slf_arga) 2802 if (items > slf_arga)
2348 { 2803 {
2349 slf_arga = items; 2804 slf_arga = items;
2350 free (slf_argv); 2805 Safefree (slf_argv);
2351 slf_argv = malloc (slf_arga * sizeof (SV *)); 2806 New (0, slf_argv, slf_arga, SV *);
2352 } 2807 }
2353 2808
2354 slf_argc = items; 2809 slf_argc = items;
2355 2810
2356 for (i = 0; i < items; ++i) 2811 for (i = 0; i < items; ++i)
… …
2410{ 2865{
2411 SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_leave); 2866 SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_leave);
2412 on_enterleave_call (aTHX_ sv_2mortal (cb)); 2867 on_enterleave_call (aTHX_ sv_2mortal (cb));
2413} 2868}
2414 2869
2870static void
2871enterleave_hook_xs (pTHX_ struct coro *coro, AV **avp, coro_enterleave_hook hook, void *arg)
2872{
2873 if (!hook)
2874 return;
2875
2876 if (!*avp)
2877 {
2878 *avp = newAV ();
2879 AvREAL_off (*avp);
2880 }
2881
2882 av_push (*avp, (SV *)hook);
2883 av_push (*avp, (SV *)arg);
2884}
2885
2886static void
2887enterleave_unhook_xs (pTHX_ struct coro *coro, AV **avp, coro_enterleave_hook hook, int execute)
2888{
2889 AV *av = *avp;
2890 int i;
2891
2892 if (!av)
2893 return;
2894
2895 for (i = AvFILLp (av) - 1; i >= 0; i -= 2)
2896 if (AvARRAY (av)[i] == (SV *)hook)
2897 {
2898 if (execute)
2899 hook (aTHX_ (void *)AvARRAY (av)[i + 1]);
2900
2901 memmove (AvARRAY (av) + i, AvARRAY (av) + i + 2, AvFILLp (av) - i - 1);
2902 av_pop (av);
2903 av_pop (av);
2904 break;
2905 }
2906
2907 if (AvFILLp (av) >= 0)
2908 {
2909 *avp = 0;
2910 SvREFCNT_dec_NN (av);
2911 }
2912}
2913
2914static void
2915api_enterleave_hook (pTHX_ SV *coro_sv, coro_enterleave_hook enter, void *enter_arg, coro_enterleave_hook leave, void *leave_arg)
2916{
2917 struct coro *coro = SvSTATE (coro_sv);
2918
2919 if (SvSTATE_current == coro)
2920 if (enter)
2921 enter (aTHX_ enter_arg);
2922
2923 enterleave_hook_xs (aTHX_ coro, &coro->on_enter_xs, enter, enter_arg);
2924 enterleave_hook_xs (aTHX_ coro, &coro->on_leave_xs, leave, leave_arg);
2925}
2926
2927static void
2928api_enterleave_unhook (pTHX_ SV *coro_sv, coro_enterleave_hook enter, coro_enterleave_hook leave)
2929{
2930 struct coro *coro = SvSTATE (coro_sv);
2931
2932 enterleave_unhook_xs (aTHX_ coro, &coro->on_enter_xs, enter, 0);
2933 enterleave_unhook_xs (aTHX_ coro, &coro->on_leave_xs, leave, SvSTATE_current == coro);
2934}
2935
2936static void
2937savedestructor_unhook_enter (pTHX_ coro_enterleave_hook enter)
2938{
2939 struct coro *coro = SvSTATE_current;
2940
2941 enterleave_unhook_xs (aTHX_ coro, &coro->on_enter_xs, enter, 0);
2942}
2943
2944static void
2945savedestructor_unhook_leave (pTHX_ coro_enterleave_hook leave)
2946{
2947 struct coro *coro = SvSTATE_current;
2948
2949 enterleave_unhook_xs (aTHX_ coro, &coro->on_leave_xs, leave, 1);
2950}
2951
2952static void
2953api_enterleave_scope_hook (pTHX_ coro_enterleave_hook enter, void *enter_arg, coro_enterleave_hook leave, void *leave_arg)
2954{
2955 api_enterleave_hook (aTHX_ coro_current, enter, enter_arg, leave, leave_arg);
2956
2957 /* this ought to be much cheaper than malloc + a single destructor call */
2958 if (enter) SAVEDESTRUCTOR_X (savedestructor_unhook_enter, enter);
2959 if (leave) SAVEDESTRUCTOR_X (savedestructor_unhook_leave, leave);
2960}
2961
2415/*****************************************************************************/ 2962/*****************************************************************************/
2416/* PerlIO::cede */ 2963/* PerlIO::cede */
2417 2964
2418typedef struct 2965typedef struct
2419{ 2966{
2420 PerlIOBuf base; 2967 PerlIOBuf base;
2421 NV next, every; 2968 NV next, every;
2422} PerlIOCede; 2969} PerlIOCede;
2423 2970
2424static IV 2971static IV ecb_cold
2425PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) 2972PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab)
2426{ 2973{
2427 PerlIOCede *self = PerlIOSelf (f, PerlIOCede); 2974 PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
2428 2975
2429 self->every = SvCUR (arg) ? SvNV (arg) : 0.01; 2976 self->every = SvCUR (arg) ? SvNV (arg) : 0.01;
2430 self->next = nvtime () + self->every; 2977 self->next = nvtime () + self->every;
2431 2978
2432 return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); 2979 return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab);
2433} 2980}
2434 2981
2435static SV * 2982static SV * ecb_cold
2436PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) 2983PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags)
2437{ 2984{
2438 PerlIOCede *self = PerlIOSelf (f, PerlIOCede); 2985 PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
2439 2986
2440 return newSVnv (self->every); 2987 return newSVnv (self->every);
… …
2547 XPUSHs (sv_2mortal (newRV_inc ((SV *)av))); 3094 XPUSHs (sv_2mortal (newRV_inc ((SV *)av)));
2548 PUTBACK; 3095 PUTBACK;
2549 call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR); 3096 call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR);
2550 } 3097 }
2551 3098
2552 SvREFCNT_dec (cb); 3099 SvREFCNT_dec_NN (cb);
2553 } 3100 }
2554} 3101}
2555 3102
2556static void 3103static void
2557coro_semaphore_on_destroy (pTHX_ struct coro *coro) 3104coro_semaphore_destroy (pTHX_ struct CoroSLF *frame)
2558{ 3105{
2559 /* call $sem->adjust (0) to possibly wake up some other waiters */ 3106 /* call $sem->adjust (0) to possibly wake up some other waiters */
2560 coro_semaphore_adjust (aTHX_ (AV *)coro->slf_frame.data, 0); 3107 coro_semaphore_adjust (aTHX_ (AV *)frame->data, 0);
2561} 3108}
2562 3109
2563static int 3110static int
2564slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire) 3111slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire)
2565{ 3112{
2566 AV *av = (AV *)frame->data; 3113 AV *av = (AV *)frame->data;
2567 SV *count_sv = AvARRAY (av)[0]; 3114 SV *count_sv = AvARRAY (av)[0];
3115 SV *coro_hv = SvRV (coro_current);
3116
3117 frame->destroy = 0;
2568 3118
2569 /* if we are about to throw, don't actually acquire the lock, just throw */ 3119 /* if we are about to throw, don't actually acquire the lock, just throw */
2570 if (CORO_THROW) 3120 if (ecb_expect_false (CORO_THROW))
3121 {
3122 /* we still might be responsible for the semaphore, so wake up others */
3123 coro_semaphore_adjust (aTHX_ av, 0);
3124
2571 return 0; 3125 return 0;
3126 }
2572 else if (SvIVX (count_sv) > 0) 3127 else if (SvIVX (count_sv) > 0)
2573 { 3128 {
2574 SvSTATE_current->on_destroy = 0;
2575
2576 if (acquire) 3129 if (acquire)
2577 SvIVX (count_sv) = SvIVX (count_sv) - 1; 3130 SvIVX (count_sv) = SvIVX (count_sv) - 1;
2578 else 3131 else
2579 coro_semaphore_adjust (aTHX_ av, 0); 3132 coro_semaphore_adjust (aTHX_ av, 0);
2580 3133
… …
2584 { 3137 {
2585 int i; 3138 int i;
2586 /* if we were woken up but can't down, we look through the whole */ 3139 /* if we were woken up but can't down, we look through the whole */
2587 /* waiters list and only add us if we aren't in there already */ 3140 /* waiters list and only add us if we aren't in there already */
2588 /* this avoids some degenerate memory usage cases */ 3141 /* this avoids some degenerate memory usage cases */
2589 3142 for (i = AvFILLp (av); i > 0; --i) /* i > 0 is not an off-by-one bug */
2590 for (i = 1; i <= AvFILLp (av); ++i)
2591 if (AvARRAY (av)[i] == SvRV (coro_current)) 3143 if (AvARRAY (av)[i] == coro_hv)
2592 return 1; 3144 return 1;
2593 3145
2594 av_push (av, SvREFCNT_inc (SvRV (coro_current))); 3146 av_push (av, SvREFCNT_inc (coro_hv));
2595 return 1; 3147 return 1;
2596 } 3148 }
2597} 3149}
2598 3150
2599static int 3151static int
… …
2622 { 3174 {
2623 av_push (av, SvREFCNT_inc (SvRV (coro_current))); 3175 av_push (av, SvREFCNT_inc (SvRV (coro_current)));
2624 3176
2625 frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); 3177 frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av));
2626 frame->prepare = prepare_schedule; 3178 frame->prepare = prepare_schedule;
2627
2628 /* to avoid race conditions when a woken-up coro gets terminated */ 3179 /* to avoid race conditions when a woken-up coro gets terminated */
2629 /* we arrange for a temporary on_destroy that calls adjust (0) */ 3180 /* we arrange for a temporary on_destroy that calls adjust (0) */
2630 SvSTATE_current->on_destroy = coro_semaphore_on_destroy; 3181 frame->destroy = coro_semaphore_destroy;
2631 } 3182 }
2632} 3183}
2633 3184
2634static void 3185static void
2635slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) 3186slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
… …
2643{ 3194{
2644 if (items >= 2) 3195 if (items >= 2)
2645 { 3196 {
2646 /* callback form */ 3197 /* callback form */
2647 AV *av = (AV *)SvRV (arg [0]); 3198 AV *av = (AV *)SvRV (arg [0]);
2648 CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]); 3199 SV *cb_cv = s_get_cv_croak (arg [1]);
2649 3200
2650 av_push (av, SvREFCNT_inc_NN (cb_cv)); 3201 av_push (av, SvREFCNT_inc_NN (cb_cv));
2651 3202
2652 if (SvIVX (AvARRAY (av)[0]) > 0) 3203 if (SvIVX (AvARRAY (av)[0]) > 0)
2653 coro_semaphore_adjust (aTHX_ av, 0); 3204 coro_semaphore_adjust (aTHX_ av, 0);
… …
2693 { 3244 {
2694 api_ready (aTHX_ cb); 3245 api_ready (aTHX_ cb);
2695 sv_setiv (cb, 0); /* signal waiter */ 3246 sv_setiv (cb, 0); /* signal waiter */
2696 } 3247 }
2697 3248
2698 SvREFCNT_dec (cb); 3249 SvREFCNT_dec_NN (cb);
2699 3250
2700 --count; 3251 --count;
2701 } 3252 }
2702} 3253}
2703 3254
… …
2713{ 3264{
2714 AV *av = (AV *)SvRV (arg [0]); 3265 AV *av = (AV *)SvRV (arg [0]);
2715 3266
2716 if (items >= 2) 3267 if (items >= 2)
2717 { 3268 {
2718 CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]); 3269 SV *cb_cv = s_get_cv_croak (arg [1]);
2719 av_push (av, SvREFCNT_inc_NN (cb_cv)); 3270 av_push (av, SvREFCNT_inc_NN (cb_cv));
2720 3271
2721 if (SvIVX (AvARRAY (av)[0])) 3272 if (SvIVX (AvARRAY (av)[0]))
2722 coro_signal_wake (aTHX_ av, 1); /* ust be the only waiter */ 3273 coro_signal_wake (aTHX_ av, 1); /* must be the only waiter */
2723 3274
2724 frame->prepare = prepare_nop; 3275 frame->prepare = prepare_nop;
2725 frame->check = slf_check_nop; 3276 frame->check = slf_check_nop;
2726 } 3277 }
2727 else if (SvIVX (AvARRAY (av)[0])) 3278 else if (SvIVX (AvARRAY (av)[0]))
… …
2758 3309
2759static void 3310static void
2760coro_aio_callback (pTHX_ CV *cv) 3311coro_aio_callback (pTHX_ CV *cv)
2761{ 3312{
2762 dXSARGS; 3313 dXSARGS;
2763 AV *state = (AV *)GENSUB_ARG; 3314 AV *state = (AV *)S_GENSUB_ARG;
2764 SV *coro = av_pop (state); 3315 SV *coro = av_pop (state);
2765 SV *data_sv = newSV (sizeof (struct io_state)); 3316 SV *data_sv = newSV (sizeof (struct io_state));
2766 3317
2767 av_extend (state, items - 1); 3318 av_extend (state, items - 1);
2768 3319
… …
2788 } 3339 }
2789 3340
2790 av_push (state, data_sv); 3341 av_push (state, data_sv);
2791 3342
2792 api_ready (aTHX_ coro); 3343 api_ready (aTHX_ coro);
2793 SvREFCNT_dec (coro); 3344 SvREFCNT_dec_NN (coro);
2794 SvREFCNT_dec ((AV *)state); 3345 SvREFCNT_dec_NN ((AV *)state);
2795} 3346}
2796 3347
2797static int 3348static int
2798slf_check_aio_req (pTHX_ struct CoroSLF *frame) 3349slf_check_aio_req (pTHX_ struct CoroSLF *frame)
2799{ 3350{
… …
2804 /* it quickly returns */ 3355 /* it quickly returns */
2805 if (CORO_THROW) 3356 if (CORO_THROW)
2806 return 0; 3357 return 0;
2807 3358
2808 /* one element that is an RV? repeat! */ 3359 /* one element that is an RV? repeat! */
2809 if (AvFILLp (state) == 0 && SvROK (AvARRAY (state)[0])) 3360 if (AvFILLp (state) == 0 && SvTYPE (AvARRAY (state)[0]) != SVt_PV)
2810 return 1; 3361 return 1;
2811 3362
2812 /* restore status */ 3363 /* restore status */
2813 { 3364 {
2814 SV *data_sv = av_pop (state); 3365 SV *data_sv = av_pop (state);
… …
2817 errno = data->errorno; 3368 errno = data->errorno;
2818 PL_laststype = data->laststype; 3369 PL_laststype = data->laststype;
2819 PL_laststatval = data->laststatval; 3370 PL_laststatval = data->laststatval;
2820 PL_statcache = data->statcache; 3371 PL_statcache = data->statcache;
2821 3372
2822 SvREFCNT_dec (data_sv); 3373 SvREFCNT_dec_NN (data_sv);
2823 } 3374 }
2824 3375
2825 /* push result values */ 3376 /* push result values */
2826 { 3377 {
2827 dSP; 3378 dSP;
… …
2853 dSP; 3404 dSP;
2854 3405
2855 static SV *prio_cv; 3406 static SV *prio_cv;
2856 static SV *prio_sv; 3407 static SV *prio_sv;
2857 3408
2858 if (expect_false (!prio_cv)) 3409 if (ecb_expect_false (!prio_cv))
2859 { 3410 {
2860 prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0); 3411 prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0);
2861 prio_sv = newSViv (0); 3412 prio_sv = newSViv (0);
2862 } 3413 }
2863 3414
… …
2882 3433
2883 for (i = 0; i < items; ++i) 3434 for (i = 0; i < items; ++i)
2884 PUSHs (arg [i]); 3435 PUSHs (arg [i]);
2885 3436
2886 /* now push the callback closure */ 3437 /* now push the callback closure */
2887 PUSHs (sv_2mortal (gensub (aTHX_ coro_aio_callback, (void *)SvREFCNT_inc_NN ((SV *)state)))); 3438 PUSHs (sv_2mortal (s_gensub (aTHX_ coro_aio_callback, (void *)SvREFCNT_inc_NN ((SV *)state))));
2888 3439
2889 /* now call the AIO function - we assume our request is uncancelable */ 3440 /* now call the AIO function - we assume our request is uncancelable */
2890 PUTBACK; 3441 PUTBACK;
2891 call_sv ((SV *)req, G_VOID | G_DISCARD); 3442 call_sv ((SV *)req, G_VOID | G_DISCARD);
2892 } 3443 }
2893 3444
2894 /* now that the requets is going, we loop toll we have a result */ 3445 /* now that the request is going, we loop till we have a result */
2895 frame->data = (void *)state; 3446 frame->data = (void *)state;
2896 frame->prepare = prepare_schedule; 3447 frame->prepare = prepare_schedule;
2897 frame->check = slf_check_aio_req; 3448 frame->check = slf_check_aio_req;
2898} 3449}
2899 3450
… …
2911 3462
2912#if CORO_CLONE 3463#if CORO_CLONE
2913# include "clone.c" 3464# include "clone.c"
2914#endif 3465#endif
2915 3466
3467/*****************************************************************************/
3468
3469static SV *
3470coro_new (pTHX_ HV *stash, SV **argv, int argc, int is_coro)
3471{
3472 SV *coro_sv;
3473 struct coro *coro;
3474 MAGIC *mg;
3475 HV *hv;
3476 SV *cb;
3477 int i;
3478
3479 if (argc > 0)
3480 {
3481 cb = s_get_cv_croak (argv [0]);
3482
3483 if (!is_coro)
3484 {
3485 if (CvISXSUB (cb))
3486 croak ("Coro::State doesn't support XS functions as coroutine start, caught");
3487
3488 if (!CvROOT (cb))
3489 croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught");
3490 }
3491 }
3492
3493 Newz (0, coro, 1, struct coro);
3494 coro->args = newAV ();
3495 coro->flags = CF_NEW;
3496
3497 if (coro_first) coro_first->prev = coro;
3498 coro->next = coro_first;
3499 coro_first = coro;
3500
3501 coro->hv = hv = newHV ();
3502 mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0);
3503 mg->mg_flags |= MGf_DUP;
3504 coro_sv = sv_bless (newRV_noinc ((SV *)hv), stash);
3505
3506 if (argc > 0)
3507 {
3508 av_extend (coro->args, argc + is_coro - 1);
3509
3510 if (is_coro)
3511 {
3512 av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb));
3513 cb = (SV *)cv_coro_run;
3514 }
3515
3516 coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb);
3517
3518 for (i = 1; i < argc; i++)
3519 av_push (coro->args, newSVsv (argv [i]));
3520 }
3521
3522 return coro_sv;
3523}
3524
3525#ifndef __cplusplus
3526ecb_cold XS(boot_Coro__State);
3527#endif
3528
3529#if CORO_JIT
3530
3531static void ecb_noinline ecb_cold
3532pushav_4uv (pTHX_ UV a, UV b, UV c, UV d)
3533{
3534 dSP;
3535 AV *av = newAV ();
3536
3537 av_store (av, 3, newSVuv (d));
3538 av_store (av, 2, newSVuv (c));
3539 av_store (av, 1, newSVuv (b));
3540 av_store (av, 0, newSVuv (a));
3541
3542 XPUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
3543
3544 PUTBACK;
3545}
3546
3547static void ecb_noinline ecb_cold
3548jit_init (pTHX)
3549{
3550 dSP;
3551 SV *load, *save;
3552 char *map_base;
3553 char *load_ptr, *save_ptr;
3554 STRLEN load_len, save_len, map_len;
3555 int count;
3556
3557 eval_pv ("require 'Coro/jit-" CORO_JIT_TYPE ".pl'", 1);
3558
3559 PUSHMARK (SP);
3560 #define VARx(name,expr,type) pushav_4uv (aTHX_ (UV)&(expr), sizeof (expr), offsetof (perl_slots, name), sizeof (type));
3561 #include "state.h"
3562 count = call_pv ("Coro::State::_jit", G_ARRAY);
3563 SPAGAIN;
3564
3565 save = POPs; save_ptr = SvPVbyte (save, save_len);
3566 load = POPs; load_ptr = SvPVbyte (load, load_len);
3567
3568 map_len = load_len + save_len + 16;
3569
3570 map_base = mmap (0, map_len, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
3571
3572 assert (("Coro: unable to mmap jit code page, cannot continue.", map_base != (char *)MAP_FAILED));
3573
3574 load_perl_slots = (load_save_perl_slots_type)map_base;
3575 memcpy (map_base, load_ptr, load_len);
3576
3577 map_base += (load_len + 15) & ~15;
3578
3579 save_perl_slots = (load_save_perl_slots_type)map_base;
3580 memcpy (map_base, save_ptr, save_len);
3581
3582 /* we are good citizens and try to make the page read-only, so the evil evil */
3583 /* hackers might have it a bit more difficult */
3584 mprotect (map_base, map_len, PROT_READ | PROT_EXEC);
3585
3586 PUTBACK;
3587 eval_pv ("undef &Coro::State::_jit", 1);
3588}
3589
3590#endif
3591
2916MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ 3592MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
2917 3593
2918PROTOTYPES: DISABLE 3594PROTOTYPES: DISABLE
2919 3595
2920BOOT: 3596BOOT:
2921{ 3597{
3598#define VARx(name,expr,type) if (sizeof (type) < sizeof (expr)) croak ("FATAL: Coro thread context slot '" # name "' too small for this version of perl.");
3599#include "state.h"
2922#ifdef USE_ITHREADS 3600#ifdef USE_ITHREADS
2923# if CORO_PTHREAD 3601# if CORO_PTHREAD
2924 coro_thx = PERL_GET_CONTEXT; 3602 coro_thx = PERL_GET_CONTEXT;
2925# endif 3603# endif
2926#endif 3604#endif
2927 BOOT_PAGESIZE; 3605 /* perl defines these to check for existance first, but why it doesn't */
3606 /* just create them one at init time is not clear to me, except for */
3607 /* programs trying to delete them, but... */
3608 /* anyway, we declare this as invalid and make sure they are initialised here */
3609 DEFSV;
3610 ERRSV;
2928 3611
2929 cctx_current = cctx_new_empty (); 3612 cctx_current = cctx_new_empty ();
2930 3613
2931 irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); 3614 irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV);
2932 stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); 3615 stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO);
2933 3616
2934 orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get; 3617 orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;
2935 orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set; 3618 orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;
2936 orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr; 3619 orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr;
2937 3620
2938 hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);
2939 rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV)); 3621 rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));
2940 rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV)); 3622 rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));
2941 3623
2942 coro_state_stash = gv_stashpv ("Coro::State", TRUE); 3624 coro_state_stash = gv_stashpv ("Coro::State", TRUE);
2943 3625
… …
2972 coroapi.prepare_nop = prepare_nop; 3654 coroapi.prepare_nop = prepare_nop;
2973 coroapi.prepare_schedule = prepare_schedule; 3655 coroapi.prepare_schedule = prepare_schedule;
2974 coroapi.prepare_cede = prepare_cede; 3656 coroapi.prepare_cede = prepare_cede;
2975 coroapi.prepare_cede_notself = prepare_cede_notself; 3657 coroapi.prepare_cede_notself = prepare_cede_notself;
2976 3658
2977 { 3659 time_init (aTHX);
2978 SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0);
2979
2980 if (!svp) croak ("Time::HiRes is required");
2981 if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer");
2982
2983 nvtime = INT2PTR (double (*)(), SvIV (*svp));
2984 }
2985 3660
2986 assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); 3661 assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL));
3662#if CORO_JIT
3663 PUTBACK;
3664 jit_init (aTHX);
3665 SPAGAIN;
3666#endif
2987} 3667}
2988 3668
2989SV * 3669SV *
2990new (char *klass, ...) 3670new (SV *klass, ...)
2991 ALIAS: 3671 ALIAS:
2992 Coro::new = 1 3672 Coro::new = 1
2993 CODE: 3673 CODE:
2994{ 3674 RETVAL = coro_new (aTHX_ ix ? coro_stash : coro_state_stash, &ST (1), items - 1, ix);
2995 struct coro *coro; 3675 OUTPUT:
2996 MAGIC *mg;
2997 HV *hv;
2998 CV *cb;
2999 int i;
3000
3001 if (items > 1)
3002 {
3003 cb = coro_sv_2cv (aTHX_ ST (1));
3004
3005 if (!ix)
3006 {
3007 if (CvISXSUB (cb))
3008 croak ("Coro::State doesn't support XS functions as coroutine start, caught");
3009
3010 if (!CvROOT (cb))
3011 croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught");
3012 }
3013 }
3014
3015 Newz (0, coro, 1, struct coro);
3016 coro->args = newAV ();
3017 coro->flags = CF_NEW;
3018
3019 if (coro_first) coro_first->prev = coro;
3020 coro->next = coro_first;
3021 coro_first = coro;
3022
3023 coro->hv = hv = newHV ();
3024 mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0);
3025 mg->mg_flags |= MGf_DUP;
3026 RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
3027
3028 if (items > 1)
3029 {
3030 av_extend (coro->args, items - 1 + ix - 1);
3031
3032 if (ix)
3033 {
3034 av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb));
3035 cb = cv_coro_run;
3036 }
3037
3038 coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb);
3039
3040 for (i = 2; i < items; i++)
3041 av_push (coro->args, newSVsv (ST (i)));
3042 }
3043}
3044 OUTPUT:
3045 RETVAL 3676 RETVAL
3046 3677
3047void 3678void
3048transfer (...) 3679transfer (...)
3049 PROTOTYPE: $$ 3680 PROTOTYPE: $$
3050 CODE: 3681 CODE:
3051 CORO_EXECUTE_SLF_XS (slf_init_transfer); 3682 CORO_EXECUTE_SLF_XS (slf_init_transfer);
3052
3053bool
3054_destroy (SV *coro_sv)
3055 CODE:
3056 RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));
3057 OUTPUT:
3058 RETVAL
3059
3060void
3061_exit (int code)
3062 PROTOTYPE: $
3063 CODE:
3064 _exit (code);
3065 3683
3066SV * 3684SV *
3067clone (Coro::State coro) 3685clone (Coro::State coro)
3068 CODE: 3686 CODE:
3069{ 3687{
… …
3124void 3742void
3125list () 3743list ()
3126 PROTOTYPE: 3744 PROTOTYPE:
3127 PPCODE: 3745 PPCODE:
3128{ 3746{
3129 struct coro *coro; 3747 struct coro *coro;
3130 for (coro = coro_first; coro; coro = coro->next) 3748 for (coro = coro_first; coro; coro = coro->next)
3131 if (coro->hv) 3749 if (coro->hv)
3132 XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); 3750 XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv)));
3133} 3751}
3134 3752
… …
3139 CODE: 3757 CODE:
3140{ 3758{
3141 if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) 3759 if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot))
3142 { 3760 {
3143 struct coro *current = SvSTATE_current; 3761 struct coro *current = SvSTATE_current;
3762 struct CoroSLF slf_save;
3144 3763
3145 if (current != coro) 3764 if (current != coro)
3146 { 3765 {
3147 PUTBACK; 3766 PUTBACK;
3148 save_perl (aTHX_ current); 3767 save_perl (aTHX_ current);
3149 load_perl (aTHX_ coro); 3768 load_perl (aTHX_ coro);
3769 /* the coro is most likely in an active SLF call.
3770 * while not strictly required (the code we execute is
3771 * not allowed to call any SLF functions), it's cleaner
3772 * to reinitialise the slf_frame and restore it later.
3773 * This might one day allow us to actually do SLF calls
3774 * from code executed here.
3775 */
3776 slf_save = slf_frame;
3777 slf_frame.prepare = 0;
3150 SPAGAIN; 3778 SPAGAIN;
3151 } 3779 }
3152 3780
3153 PUSHSTACK; 3781 PUSHSTACK;
3154 3782
… …
3164 SPAGAIN; 3792 SPAGAIN;
3165 3793
3166 if (current != coro) 3794 if (current != coro)
3167 { 3795 {
3168 PUTBACK; 3796 PUTBACK;
3797 slf_frame = slf_save;
3169 save_perl (aTHX_ coro); 3798 save_perl (aTHX_ coro);
3170 load_perl (aTHX_ current); 3799 load_perl (aTHX_ current);
3171 SPAGAIN; 3800 SPAGAIN;
3172 } 3801 }
3173 } 3802 }
… …
3178 PROTOTYPE: $ 3807 PROTOTYPE: $
3179 ALIAS: 3808 ALIAS:
3180 is_ready = CF_READY 3809 is_ready = CF_READY
3181 is_running = CF_RUNNING 3810 is_running = CF_RUNNING
3182 is_new = CF_NEW 3811 is_new = CF_NEW
3183 is_destroyed = CF_DESTROYED 3812 is_destroyed = CF_ZOMBIE
3813 is_zombie = CF_ZOMBIE
3184 is_suspended = CF_SUSPENDED 3814 is_suspended = CF_SUSPENDED
3185 CODE: 3815 CODE:
3186 RETVAL = boolSV (coro->flags & ix); 3816 RETVAL = boolSV (coro->flags & ix);
3187 OUTPUT: 3817 OUTPUT:
3188 RETVAL 3818 RETVAL
3189 3819
3190void 3820void
3191throw (Coro::State self, SV *throw = &PL_sv_undef) 3821throw (SV *self, SV *exception = &PL_sv_undef)
3192 PROTOTYPE: $;$ 3822 PROTOTYPE: $;$
3193 CODE: 3823 CODE:
3194{ 3824{
3825 struct coro *coro = SvSTATE (self);
3195 struct coro *current = SvSTATE_current; 3826 struct coro *current = SvSTATE_current;
3196 SV **throwp = self == current ? &CORO_THROW : &self->except; 3827 SV **exceptionp = coro == current ? &CORO_THROW : &coro->except;
3197 SvREFCNT_dec (*throwp); 3828 SvREFCNT_dec (*exceptionp);
3198 SvGETMAGIC (throw); 3829 SvGETMAGIC (exception);
3199 *throwp = SvOK (throw) ? newSVsv (throw) : 0; 3830 *exceptionp = SvOK (exception) ? newSVsv (exception) : 0;
3831
3832 api_ready (aTHX_ self);
3200} 3833}
3201 3834
3202void 3835void
3203api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) 3836api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB)
3204 PROTOTYPE: $;$ 3837 PROTOTYPE: $;$
… …
3259 3892
3260void 3893void
3261cancel (Coro::State self) 3894cancel (Coro::State self)
3262 CODE: 3895 CODE:
3263 coro_state_destroy (aTHX_ self); 3896 coro_state_destroy (aTHX_ self);
3264 coro_call_on_destroy (aTHX_ self); /* actually only for Coro objects */ 3897
3898SV *
3899enable_times (int enabled = enable_times)
3900 CODE:
3901{
3902 RETVAL = boolSV (enable_times);
3903
3904 if (enabled != enable_times)
3905 {
3906 enable_times = enabled;
3907
3908 coro_times_update ();
3909 (enabled ? coro_times_sub : coro_times_add)(SvSTATE (coro_current));
3910 }
3911}
3912 OUTPUT:
3913 RETVAL
3914
3915void
3916times (Coro::State self)
3917 PPCODE:
3918{
3919 struct coro *current = SvSTATE (coro_current);
3920
3921 if (ecb_expect_false (current == self))
3922 {
3923 coro_times_update ();
3924 coro_times_add (SvSTATE (coro_current));
3925 }
3926
3927 EXTEND (SP, 2);
3928 PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9)));
3929 PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9)));
3930
3931 if (ecb_expect_false (current == self))
3932 coro_times_sub (SvSTATE (coro_current));
3933}
3934
3935void
3936swap_sv (Coro::State coro, SV *sva, SV *svb)
3937 CODE:
3938{
3939 struct coro *current = SvSTATE_current;
3940 AV *swap_sv;
3941 int i;
3942
3943 sva = SvRV (sva);
3944 svb = SvRV (svb);
3945
3946 if (current == coro)
3947 SWAP_SVS_LEAVE (current);
3948
3949 if (!coro->swap_sv)
3950 coro->swap_sv = newAV ();
3951
3952 swap_sv = coro->swap_sv;
3953
3954 for (i = AvFILLp (swap_sv) - 1; i >= 0; i -= 2)
3955 {
3956 SV *a = AvARRAY (swap_sv)[i ];
3957 SV *b = AvARRAY (swap_sv)[i + 1];
3958
3959 if (a == sva && b == svb)
3960 {
3961 SvREFCNT_dec_NN (a);
3962 SvREFCNT_dec_NN (b);
3963
3964 for (; i <= AvFILLp (swap_sv) - 2; i++)
3965 AvARRAY (swap_sv)[i] = AvARRAY (swap_sv)[i + 2];
3966
3967 AvFILLp (swap_sv) -= 2;
3968
3969 goto removed;
3970 }
3971 }
3972
3973 av_push (swap_sv, SvREFCNT_inc_NN (sva));
3974 av_push (swap_sv, SvREFCNT_inc_NN (svb));
3975
3976 removed:
3977
3978 if (current == coro)
3979 SWAP_SVS_ENTER (current);
3980}
3265 3981
3266 3982
3267MODULE = Coro::State PACKAGE = Coro 3983MODULE = Coro::State PACKAGE = Coro
3268 3984
3269BOOT: 3985BOOT:
3270{ 3986{
3987 if (SVt_LAST > 32)
3988 croak ("Coro internal error: SVt_LAST > 32, swap_sv might need adjustment");
3989
3271 sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); 3990 sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
3272 sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); 3991 sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
3273 cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); 3992 cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD);
3274 cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD);
3275 coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); 3993 coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);
3276 av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); 3994 av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
3277 av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); 3995 av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE);
3278 sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); 3996 sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE);
3279 sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); 3997 sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE);
3280 3998
3281 sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); 3999 sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle);
3282 sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); 4000 sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro);
3283 cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); 4001 cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler);
3284 cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new); 4002 CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */
3285 4003
3286 coro_stash = gv_stashpv ("Coro", TRUE); 4004 coro_stash = gv_stashpv ("Coro", TRUE);
3287 4005
3288 newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); 4006 newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX));
3289 newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); 4007 newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH));
… …
3302 coroapi.ready = api_ready; 4020 coroapi.ready = api_ready;
3303 coroapi.is_ready = api_is_ready; 4021 coroapi.is_ready = api_is_ready;
3304 coroapi.nready = coro_nready; 4022 coroapi.nready = coro_nready;
3305 coroapi.current = coro_current; 4023 coroapi.current = coro_current;
3306 4024
4025 coroapi.enterleave_hook = api_enterleave_hook;
4026 coroapi.enterleave_unhook = api_enterleave_unhook;
4027 coroapi.enterleave_scope_hook = api_enterleave_scope_hook;
4028
3307 /*GCoroAPI = &coroapi;*/ 4029 /*GCoroAPI = &coroapi;*/
3308 sv_setiv (sv, (IV)&coroapi); 4030 sv_setiv (sv, (IV)&coroapi);
3309 SvREADONLY_on (sv); 4031 SvREADONLY_on (sv);
3310 } 4032 }
3311} 4033}
3312 4034
4035SV *
4036async (...)
4037 PROTOTYPE: &@
4038 CODE:
4039 RETVAL = coro_new (aTHX_ coro_stash, &ST (0), items, 1);
4040 api_ready (aTHX_ RETVAL);
4041 OUTPUT:
4042 RETVAL
4043
4044void
4045_destroy (Coro::State coro)
4046 CODE:
4047 /* used by the manager thread */
4048 coro_state_destroy (aTHX_ coro);
4049
4050void
4051on_destroy (Coro::State coro, SV *cb)
4052 CODE:
4053 coro_push_on_destroy (aTHX_ coro, newSVsv (cb));
4054
4055void
4056join (...)
4057 CODE:
4058 CORO_EXECUTE_SLF_XS (slf_init_join);
4059
3313void 4060void
3314terminate (...) 4061terminate (...)
3315 CODE: 4062 CODE:
3316 CORO_EXECUTE_SLF_XS (slf_init_terminate); 4063 CORO_EXECUTE_SLF_XS (slf_init_terminate);
3317 4064
3318void 4065void
4066cancel (...)
4067 CODE:
4068 CORO_EXECUTE_SLF_XS (slf_init_cancel);
4069
4070int
4071safe_cancel (Coro::State self, ...)
4072 C_ARGS: aTHX_ self, &ST (1), items - 1
4073
4074void
3319schedule (...) 4075schedule (...)
3320 CODE: 4076 CODE:
3321 CORO_EXECUTE_SLF_XS (slf_init_schedule); 4077 CORO_EXECUTE_SLF_XS (slf_init_schedule);
3322 4078
3323void 4079void
… …
3342 4098
3343void 4099void
3344_set_current (SV *current) 4100_set_current (SV *current)
3345 PROTOTYPE: $ 4101 PROTOTYPE: $
3346 CODE: 4102 CODE:
3347 SvREFCNT_dec (SvRV (coro_current)); 4103 SvREFCNT_dec_NN (SvRV (coro_current));
3348 SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current))); 4104 SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current)));
3349 4105
3350void 4106void
3351_set_readyhook (SV *hook) 4107_set_readyhook (SV *hook)
3352 PROTOTYPE: $ 4108 PROTOTYPE: $
3353 CODE: 4109 CODE:
3354 SvREFCNT_dec (coro_readyhook); 4110 SvREFCNT_dec (coro_readyhook);
3355 SvGETMAGIC (hook); 4111 SvGETMAGIC (hook);
4112 if (SvOK (hook))
4113 {
3356 coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0; 4114 coro_readyhook = newSVsv (hook);
4115 CORO_READYHOOK = invoke_sv_ready_hook_helper;
4116 }
4117 else
4118 {
4119 coro_readyhook = 0;
4120 CORO_READYHOOK = 0;
4121 }
3357 4122
3358int 4123int
3359prio (Coro::State coro, int newprio = 0) 4124prio (Coro::State coro, int newprio = 0)
3360 PROTOTYPE: $;$ 4125 PROTOTYPE: $;$
3361 ALIAS: 4126 ALIAS:
… …
3367 if (items > 1) 4132 if (items > 1)
3368 { 4133 {
3369 if (ix) 4134 if (ix)
3370 newprio = coro->prio - newprio; 4135 newprio = coro->prio - newprio;
3371 4136
3372 if (newprio < PRIO_MIN) newprio = PRIO_MIN; 4137 if (newprio < CORO_PRIO_MIN) newprio = CORO_PRIO_MIN;
3373 if (newprio > PRIO_MAX) newprio = PRIO_MAX; 4138 if (newprio > CORO_PRIO_MAX) newprio = CORO_PRIO_MAX;
3374 4139
3375 coro->prio = newprio; 4140 coro->prio = newprio;
3376 } 4141 }
3377} 4142}
3378 OUTPUT: 4143 OUTPUT:
… …
3425 for (i = 1; i < items; ++i) 4190 for (i = 1; i < items; ++i)
3426 av_push (av, SvREFCNT_inc_NN (ST (i))); 4191 av_push (av, SvREFCNT_inc_NN (ST (i)));
3427 4192
3428 if ((SV *)hv == &PL_sv_undef) 4193 if ((SV *)hv == &PL_sv_undef)
3429 { 4194 {
3430 PUSHMARK (SP); 4195 SV *sv = coro_new (aTHX_ coro_stash, (SV **)&cv_pool_handler, 1, 1);
3431 EXTEND (SP, 2);
3432 PUSHs (sv_Coro);
3433 PUSHs ((SV *)cv_pool_handler);
3434 PUTBACK;
3435 call_sv ((SV *)cv_coro_state_new, G_SCALAR);
3436 SPAGAIN;
3437
3438 hv = (HV *)SvREFCNT_inc_NN (SvRV (POPs)); 4196 hv = (HV *)SvREFCNT_inc_NN (SvRV (sv));
4197 SvREFCNT_dec_NN (sv);
3439 } 4198 }
3440 4199
3441 { 4200 {
3442 struct coro *coro = SvSTATE_hv (hv); 4201 struct coro *coro = SvSTATE_hv (hv);
3443 4202
… …
3450 api_ready (aTHX_ (SV *)hv); 4209 api_ready (aTHX_ (SV *)hv);
3451 4210
3452 if (GIMME_V != G_VOID) 4211 if (GIMME_V != G_VOID)
3453 XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv))); 4212 XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv)));
3454 else 4213 else
3455 SvREFCNT_dec (hv); 4214 SvREFCNT_dec_NN (hv);
3456} 4215}
3457 4216
3458SV * 4217SV *
3459rouse_cb () 4218rouse_cb ()
3460 PROTOTYPE: 4219 PROTOTYPE:
… …
3475 on_leave = 1 4234 on_leave = 1
3476 PROTOTYPE: & 4235 PROTOTYPE: &
3477 CODE: 4236 CODE:
3478{ 4237{
3479 struct coro *coro = SvSTATE_current; 4238 struct coro *coro = SvSTATE_current;
3480 AV **avp = ix ? &coro->on_leave : &coro->on_enter; 4239 AV **avp = ix ? &coro->on_leave : &coro->on_enter;
3481 4240
3482 block = (SV *)coro_sv_2cv (aTHX_ block); 4241 block = s_get_cv_croak (block);
3483 4242
3484 if (!*avp) 4243 if (!*avp)
3485 *avp = newAV (); 4244 *avp = newAV ();
3486 4245
3487 av_push (*avp, SvREFCNT_inc (block)); 4246 av_push (*avp, SvREFCNT_inc (block));
… …
3505 4264
3506SV * 4265SV *
3507new (SV *klass, SV *count = 0) 4266new (SV *klass, SV *count = 0)
3508 CODE: 4267 CODE:
3509{ 4268{
3510 int semcnt = 1; 4269 int semcnt = 1;
3511 4270
3512 if (count) 4271 if (count)
3513 { 4272 {
3514 SvGETMAGIC (count); 4273 SvGETMAGIC (count);
3515 4274
… …
3539 RETVAL = newSVsv (AvARRAY ((AV *)SvRV (self))[0]); 4298 RETVAL = newSVsv (AvARRAY ((AV *)SvRV (self))[0]);
3540 OUTPUT: 4299 OUTPUT:
3541 RETVAL 4300 RETVAL
3542 4301
3543void 4302void
3544up (SV *self, int adjust = 1) 4303up (SV *self)
3545 ALIAS:
3546 adjust = 1
3547 CODE: 4304 CODE:
4305 coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), 1);
4306
4307void
4308adjust (SV *self, int adjust)
4309 CODE:
3548 coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), ix ? adjust : 1); 4310 coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), adjust);
3549 4311
3550void 4312void
3551down (...) 4313down (...)
3552 CODE: 4314 CODE:
3553 CORO_EXECUTE_SLF_XS (slf_init_semaphore_down); 4315 CORO_EXECUTE_SLF_XS (slf_init_semaphore_down);
… …
3575 XSRETURN_NO; 4337 XSRETURN_NO;
3576} 4338}
3577 4339
3578void 4340void
3579waiters (SV *self) 4341waiters (SV *self)
3580 PPCODE: 4342 PPCODE:
3581{ 4343{
3582 AV *av = (AV *)SvRV (self); 4344 AV *av = (AV *)SvRV (self);
3583 int wcount = AvFILLp (av) + 1 - 1; 4345 int wcount = AvFILLp (av) + 1 - 1;
3584 4346
3585 if (GIMME_V == G_SCALAR) 4347 if (GIMME_V == G_SCALAR)
… …
3594} 4356}
3595 4357
3596MODULE = Coro::State PACKAGE = Coro::SemaphoreSet 4358MODULE = Coro::State PACKAGE = Coro::SemaphoreSet
3597 4359
3598void 4360void
3599_may_delete (SV *sem, int count, int extra_refs) 4361_may_delete (SV *sem, int count, unsigned int extra_refs)
3600 PPCODE: 4362 PPCODE:
3601{ 4363{
3602 AV *av = (AV *)SvRV (sem); 4364 AV *av = (AV *)SvRV (sem);
3603 4365
3604 if (SvREFCNT ((SV *)av) == 1 + extra_refs 4366 if (SvREFCNT ((SV *)av) == 1 + extra_refs
3605 && AvFILLp (av) == 0 /* no waiters, just count */ 4367 && AvFILLp (av) == 0 /* no waiters, just count */
3606 && SvIV (AvARRAY (av)[0]) == count) 4368 && SvIV (AvARRAY (av)[0]) == count)
3607 XSRETURN_YES; 4369 XSRETURN_YES;
… …
3628 4390
3629void 4391void
3630broadcast (SV *self) 4392broadcast (SV *self)
3631 CODE: 4393 CODE:
3632{ 4394{
3633 AV *av = (AV *)SvRV (self); 4395 AV *av = (AV *)SvRV (self);
3634 coro_signal_wake (aTHX_ av, AvFILLp (av)); 4396 coro_signal_wake (aTHX_ av, AvFILLp (av));
3635} 4397}
3636 4398
3637void 4399void
3638send (SV *self) 4400send (SV *self)
… …
3646 SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ 4408 SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */
3647} 4409}
3648 4410
3649IV 4411IV
3650awaited (SV *self) 4412awaited (SV *self)
3651 CODE: 4413 CODE:
3652 RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; 4414 RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1;
3653 OUTPUT: 4415 OUTPUT:
3654 RETVAL 4416 RETVAL
3655 4417
3656 4418
… …
3661 4423
3662void 4424void
3663_schedule (...) 4425_schedule (...)
3664 CODE: 4426 CODE:
3665{ 4427{
3666 static int incede; 4428 static int incede;
3667 4429
3668 api_cede_notself (aTHX); 4430 api_cede_notself (aTHX);
3669 4431
3670 ++incede; 4432 ++incede;
3671 while (coro_nready >= incede && api_cede (aTHX)) 4433 while (coro_nready >= incede && api_cede (aTHX))
… …
3687 4449
3688void 4450void
3689_register (char *target, char *proto, SV *req) 4451_register (char *target, char *proto, SV *req)
3690 CODE: 4452 CODE:
3691{ 4453{
3692 CV *req_cv = coro_sv_2cv (aTHX_ req); 4454 SV *req_cv = s_get_cv_croak (req);
3693 /* newXSproto doesn't return the CV on 5.8 */ 4455 /* newXSproto doesn't return the CV on 5.8 */
3694 CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__); 4456 CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__);
3695 sv_setpv ((SV *)slf_cv, proto); 4457 sv_setpv ((SV *)slf_cv, proto);
3696 sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0); 4458 sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0);
3697} 4459}
3698 4460
4461MODULE = Coro::State PACKAGE = Coro::Select
4462
4463void
4464patch_pp_sselect ()
4465 CODE:
4466 if (!coro_old_pp_sselect)
4467 {
4468 coro_select_select = (SV *)get_cv ("Coro::Select::select", 0);
4469 coro_old_pp_sselect = PL_ppaddr [OP_SSELECT];
4470 PL_ppaddr [OP_SSELECT] = coro_pp_sselect;
4471 }
4472
4473void
4474unpatch_pp_sselect ()
4475 CODE:
4476 if (coro_old_pp_sselect)
4477 {
4478 PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect;
4479 coro_old_pp_sselect = 0;
4480 }
4481
4482MODULE = Coro::State PACKAGE = Coro::Util
4483
4484void
4485_exit (int code)
4486 CODE:
4487 _exit (code);
4488
4489NV
4490time ()
4491 CODE:
4492 RETVAL = nvtime (aTHX);
4493 OUTPUT:
4494 RETVAL
4495
4496NV
4497gettimeofday ()
4498 PPCODE:
4499{
4500 UV tv [2];
4501 u2time (aTHX_ tv);
4502 EXTEND (SP, 2);
4503 PUSHs (sv_2mortal (newSVuv (tv [0])));
4504 PUSHs (sv_2mortal (newSVuv (tv [1])));
4505}
4506

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