|
|
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 |
|
|
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 | |
13 | #include <stdio.h> |
18 | #include <stdio.h> |
14 | #include <errno.h> |
19 | #include <errno.h> |
15 | #include <assert.h> |
20 | #include <assert.h> |
16 | |
21 | |
17 | #ifdef WIN32 |
22 | #ifndef SVs_PADSTALE |
|
|
23 | # define SVs_PADSTALE 0 |
|
|
24 | #endif |
|
|
25 | |
|
|
26 | #if defined(_WIN32) |
|
|
27 | # undef HAS_GETTIMEOFDAY |
18 | # undef setjmp |
28 | # undef setjmp |
19 | # undef longjmp |
29 | # undef longjmp |
20 | # undef _exit |
30 | # undef _exit |
21 | # define setjmp _setjmp /* deep magic */ |
31 | # define setjmp _setjmp /* deep magic */ |
22 | #else |
32 | #else |
… | |
… | |
51 | #endif |
61 | #endif |
52 | |
62 | |
53 | /* the maximum number of idle cctx that will be pooled */ |
63 | /* the maximum number of idle cctx that will be pooled */ |
54 | static int cctx_max_idle = 4; |
64 | static int cctx_max_idle = 4; |
55 | |
65 | |
56 | #define PERL_VERSION_ATLEAST(a,b,c) \ |
|
|
57 | (PERL_REVISION > (a) \ |
|
|
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 | |
|
|
107 | /* 5.8.7 */ |
|
|
108 | #ifndef SvRV_set |
|
|
109 | # define SvRV_set(s,v) SvRV(s) = (v) |
|
|
110 | #endif |
|
|
111 | |
|
|
112 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
66 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
113 | # undef CORO_STACKGUARD |
67 | # undef CORO_STACKGUARD |
114 | #endif |
68 | #endif |
115 | |
69 | |
116 | #ifndef CORO_STACKGUARD |
70 | #ifndef CORO_STACKGUARD |
… | |
… | |
130 | #else |
84 | #else |
131 | # define dSTACKLEVEL volatile void *stacklevel |
85 | # define dSTACKLEVEL volatile void *stacklevel |
132 | # define STACKLEVEL ((void *)&stacklevel) |
86 | # define STACKLEVEL ((void *)&stacklevel) |
133 | #endif |
87 | #endif |
134 | |
88 | |
135 | #define IN_DESTRUCT (PL_main_cv == Nullcv) |
89 | #define IN_DESTRUCT PL_dirty |
136 | |
90 | |
137 | #if __GNUC__ >= 3 |
91 | #if __GNUC__ >= 3 |
138 | # define attribute(x) __attribute__(x) |
92 | # define attribute(x) __attribute__(x) |
139 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
93 | # define expect(expr,value) __builtin_expect ((expr), (value)) |
140 | # define INLINE static inline |
94 | # define INLINE static inline |
141 | #else |
95 | #else |
142 | # define attribute(x) |
96 | # define attribute(x) |
143 | # define expect(expr,value) (expr) |
97 | # define expect(expr,value) (expr) |
144 | # define INLINE static |
98 | # define INLINE static |
… | |
… | |
156 | # if CORO_PTHREAD |
110 | # if CORO_PTHREAD |
157 | static void *coro_thx; |
111 | static void *coro_thx; |
158 | # endif |
112 | # endif |
159 | #endif |
113 | #endif |
160 | |
114 | |
|
|
115 | #ifdef __linux |
|
|
116 | # include <time.h> /* for timespec */ |
|
|
117 | # include <syscall.h> /* for SYS_* */ |
|
|
118 | # ifdef SYS_clock_gettime |
|
|
119 | # define coro_clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
|
|
120 | # define CORO_CLOCK_MONOTONIC 1 |
|
|
121 | # define CORO_CLOCK_THREAD_CPUTIME_ID 3 |
|
|
122 | # endif |
|
|
123 | #endif |
|
|
124 | |
161 | static double (*nvtime)(); /* so why doesn't it take void? */ |
125 | static double (*nvtime)(); /* so why doesn't it take void? */ |
|
|
126 | static void (*u2time)(pTHX_ UV ret[2]); |
162 | |
127 | |
163 | /* we hijack an hopefully unused CV flag for our purposes */ |
128 | /* we hijack an hopefully unused CV flag for our purposes */ |
164 | #define CVf_SLF 0x4000 |
129 | #define CVf_SLF 0x4000 |
165 | static OP *pp_slf (pTHX); |
130 | static OP *pp_slf (pTHX); |
|
|
131 | static void slf_destroy (pTHX_ struct coro *coro); |
166 | |
132 | |
167 | static U32 cctx_gen; |
133 | static U32 cctx_gen; |
168 | static size_t cctx_stacksize = CORO_STACKSIZE; |
134 | static size_t cctx_stacksize = CORO_STACKSIZE; |
169 | static struct CoroAPI coroapi; |
135 | static struct CoroAPI coroapi; |
170 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
136 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
… | |
… | |
172 | static HV *coro_state_stash, *coro_stash; |
138 | static HV *coro_state_stash, *coro_stash; |
173 | static volatile SV *coro_mortal; /* will be freed/thrown after next transfer */ |
139 | static volatile SV *coro_mortal; /* will be freed/thrown after next transfer */ |
174 | |
140 | |
175 | static AV *av_destroy; /* destruction queue */ |
141 | static AV *av_destroy; /* destruction queue */ |
176 | static SV *sv_manager; /* the manager coro */ |
142 | static SV *sv_manager; /* the manager coro */ |
|
|
143 | static SV *sv_idle; /* $Coro::idle */ |
177 | |
144 | |
178 | static GV *irsgv; /* $/ */ |
145 | static GV *irsgv; /* $/ */ |
179 | static GV *stdoutgv; /* *STDOUT */ |
146 | static GV *stdoutgv; /* *STDOUT */ |
180 | static SV *rv_diehook; |
147 | static SV *rv_diehook; |
181 | static SV *rv_warnhook; |
148 | static SV *rv_warnhook; |
… | |
… | |
186 | static SV *sv_pool_size; |
153 | static SV *sv_pool_size; |
187 | static SV *sv_async_pool_idle; /* description string */ |
154 | static SV *sv_async_pool_idle; /* description string */ |
188 | static AV *av_async_pool; /* idle pool */ |
155 | static AV *av_async_pool; /* idle pool */ |
189 | static SV *sv_Coro; /* class string */ |
156 | static SV *sv_Coro; /* class string */ |
190 | static CV *cv_pool_handler; |
157 | static CV *cv_pool_handler; |
191 | static CV *cv_coro_state_new; |
|
|
192 | |
158 | |
193 | /* Coro::AnyEvent */ |
159 | /* Coro::AnyEvent */ |
194 | static SV *sv_activity; |
160 | static SV *sv_activity; |
|
|
161 | |
|
|
162 | /* enable processtime/realtime profiling */ |
|
|
163 | static char enable_times; |
|
|
164 | typedef U32 coro_ts[2]; |
|
|
165 | static coro_ts time_real, time_cpu; |
|
|
166 | static char times_valid; |
195 | |
167 | |
196 | static struct coro_cctx *cctx_first; |
168 | static struct coro_cctx *cctx_first; |
197 | static int cctx_count, cctx_idle; |
169 | static int cctx_count, cctx_idle; |
198 | |
170 | |
199 | enum { |
171 | enum { |
… | |
… | |
225 | int valgrind_id; |
197 | int valgrind_id; |
226 | #endif |
198 | #endif |
227 | unsigned char flags; |
199 | unsigned char flags; |
228 | } coro_cctx; |
200 | } coro_cctx; |
229 | |
201 | |
|
|
202 | static coro_cctx *cctx_current; /* the currently running cctx */ |
|
|
203 | |
|
|
204 | /*****************************************************************************/ |
|
|
205 | |
230 | enum { |
206 | enum { |
231 | CF_RUNNING = 0x0001, /* coroutine is running */ |
207 | CF_RUNNING = 0x0001, /* coroutine is running */ |
232 | CF_READY = 0x0002, /* coroutine is ready */ |
208 | CF_READY = 0x0002, /* coroutine is ready */ |
233 | CF_NEW = 0x0004, /* has never been switched to */ |
209 | CF_NEW = 0x0004, /* has never been switched to */ |
234 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
210 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
|
|
211 | CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */ |
|
|
212 | CF_NOCANCEL = 0x0020, /* cannot cancel, set slf_frame.data to 1 (hackish) */ |
235 | }; |
213 | }; |
236 | |
214 | |
237 | /* 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 */ |
238 | typedef struct |
216 | typedef struct |
239 | { |
217 | { |
240 | SV *defsv; |
218 | SV *defsv; |
241 | AV *defav; |
219 | AV *defav; |
242 | SV *errsv; |
220 | SV *errsv; |
243 | SV *irsgv; |
221 | SV *irsgv; |
|
|
222 | HV *hinthv; |
244 | #define VAR(name,type) type name; |
223 | #define VAR(name,type) type name; |
245 | # include "state.h" |
224 | # include "state.h" |
246 | #undef VAR |
225 | #undef VAR |
247 | } perl_slots; |
226 | } perl_slots; |
248 | |
227 | |
… | |
… | |
250 | |
229 | |
251 | /* this is a structure representing a perl-level coroutine */ |
230 | /* this is a structure representing a perl-level coroutine */ |
252 | struct coro { |
231 | struct coro { |
253 | /* the C coroutine allocated to this perl coroutine, if any */ |
232 | /* the C coroutine allocated to this perl coroutine, if any */ |
254 | coro_cctx *cctx; |
233 | coro_cctx *cctx; |
|
|
234 | |
|
|
235 | /* ready queue */ |
|
|
236 | struct coro *next_ready; |
255 | |
237 | |
256 | /* state data */ |
238 | /* state data */ |
257 | struct CoroSLF slf_frame; /* saved slf frame */ |
239 | struct CoroSLF slf_frame; /* saved slf frame */ |
258 | AV *mainstack; |
240 | AV *mainstack; |
259 | perl_slots *slot; /* basically the saved sp */ |
241 | perl_slots *slot; /* basically the saved sp */ |
… | |
… | |
261 | CV *startcv; /* the CV to execute */ |
243 | CV *startcv; /* the CV to execute */ |
262 | AV *args; /* data associated with this coroutine (initial args) */ |
244 | AV *args; /* data associated with this coroutine (initial args) */ |
263 | int refcnt; /* coroutines are refcounted, yes */ |
245 | int refcnt; /* coroutines are refcounted, yes */ |
264 | int flags; /* CF_ flags */ |
246 | int flags; /* CF_ flags */ |
265 | HV *hv; /* the perl hash associated with this coro, if any */ |
247 | HV *hv; /* the perl hash associated with this coro, if any */ |
266 | void (*on_destroy)(pTHX_ struct coro *coro); |
|
|
267 | |
248 | |
268 | /* statistics */ |
249 | /* statistics */ |
269 | int usecount; /* number of transfers to this coro */ |
250 | int usecount; /* number of transfers to this coro */ |
270 | |
251 | |
271 | /* coro process data */ |
252 | /* coro process data */ |
… | |
… | |
276 | /* async_pool */ |
257 | /* async_pool */ |
277 | SV *saved_deffh; |
258 | SV *saved_deffh; |
278 | SV *invoke_cb; |
259 | SV *invoke_cb; |
279 | AV *invoke_av; |
260 | AV *invoke_av; |
280 | |
261 | |
|
|
262 | /* on_enter/on_leave */ |
|
|
263 | AV *on_enter; |
|
|
264 | AV *on_leave; |
|
|
265 | |
|
|
266 | /* swap_sv */ |
|
|
267 | AV *swap_sv; |
|
|
268 | |
|
|
269 | /* times */ |
|
|
270 | coro_ts t_cpu, t_real; |
|
|
271 | |
281 | /* linked list */ |
272 | /* linked list */ |
282 | struct coro *next, *prev; |
273 | struct coro *next, *prev; |
283 | }; |
274 | }; |
284 | |
275 | |
285 | typedef struct coro *Coro__State; |
276 | typedef struct coro *Coro__State; |
286 | typedef struct coro *Coro__State_or_hashref; |
277 | typedef struct coro *Coro__State_or_hashref; |
287 | |
278 | |
288 | /* the following variables are effectively part of the perl context */ |
279 | /* the following variables are effectively part of the perl context */ |
289 | /* and get copied between struct coro and these variables */ |
280 | /* and get copied between struct coro and these variables */ |
290 | /* the mainr easonw e don't support windows process emulation */ |
281 | /* the main reason we don't support windows process emulation */ |
291 | static struct CoroSLF slf_frame; /* the current slf frame */ |
282 | static struct CoroSLF slf_frame; /* the current slf frame */ |
292 | |
283 | |
293 | /** Coro ********************************************************************/ |
284 | /** Coro ********************************************************************/ |
294 | |
285 | |
295 | #define PRIO_MAX 3 |
286 | #define CORO_PRIO_MAX 3 |
296 | #define PRIO_HIGH 1 |
287 | #define CORO_PRIO_HIGH 1 |
297 | #define PRIO_NORMAL 0 |
288 | #define CORO_PRIO_NORMAL 0 |
298 | #define PRIO_LOW -1 |
289 | #define CORO_PRIO_LOW -1 |
299 | #define PRIO_IDLE -3 |
290 | #define CORO_PRIO_IDLE -3 |
300 | #define PRIO_MIN -4 |
291 | #define CORO_PRIO_MIN -4 |
301 | |
292 | |
302 | /* for Coro.pm */ |
293 | /* for Coro.pm */ |
303 | static SV *coro_current; |
294 | static SV *coro_current; |
304 | static SV *coro_readyhook; |
295 | static SV *coro_readyhook; |
305 | static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1]; |
296 | static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ |
306 | static CV *cv_coro_run, *cv_coro_terminate; |
297 | static CV *cv_coro_run; |
307 | static struct coro *coro_first; |
298 | static struct coro *coro_first; |
308 | #define coro_nready coroapi.nready |
299 | #define coro_nready coroapi.nready |
|
|
300 | |
|
|
301 | /** Coro::Select ************************************************************/ |
|
|
302 | |
|
|
303 | static OP *(*coro_old_pp_sselect) (pTHX); |
|
|
304 | static SV *coro_select_select; |
|
|
305 | |
|
|
306 | /* horrible hack, but if it works... */ |
|
|
307 | static OP * |
|
|
308 | coro_pp_sselect (pTHX) |
|
|
309 | { |
|
|
310 | dSP; |
|
|
311 | PUSHMARK (SP - 4); /* fake argument list */ |
|
|
312 | XPUSHs (coro_select_select); |
|
|
313 | PUTBACK; |
|
|
314 | |
|
|
315 | /* entersub is an UNOP, select a LISTOP... keep your fingers crossed */ |
|
|
316 | PL_op->op_flags |= OPf_STACKED; |
|
|
317 | PL_op->op_private = 0; |
|
|
318 | return PL_ppaddr [OP_ENTERSUB](aTHX); |
|
|
319 | } |
|
|
320 | |
|
|
321 | /** time stuff **************************************************************/ |
|
|
322 | |
|
|
323 | #ifdef HAS_GETTIMEOFDAY |
|
|
324 | |
|
|
325 | static void |
|
|
326 | coro_u2time (pTHX_ UV ret[2]) |
|
|
327 | { |
|
|
328 | struct timeval tv; |
|
|
329 | gettimeofday (&tv, 0); |
|
|
330 | |
|
|
331 | ret [0] = tv.tv_sec; |
|
|
332 | ret [1] = tv.tv_usec; |
|
|
333 | } |
|
|
334 | |
|
|
335 | static double |
|
|
336 | coro_nvtime () |
|
|
337 | { |
|
|
338 | struct timeval tv; |
|
|
339 | gettimeofday (&tv, 0); |
|
|
340 | |
|
|
341 | return tv.tv_sec + tv.tv_usec * 1e-6; |
|
|
342 | } |
|
|
343 | |
|
|
344 | static void |
|
|
345 | time_init (pTHX) |
|
|
346 | { |
|
|
347 | nvtime = coro_nvtime; |
|
|
348 | u2time = coro_u2time; |
|
|
349 | } |
|
|
350 | |
|
|
351 | #else |
|
|
352 | |
|
|
353 | static void |
|
|
354 | time_init (pTHX) |
|
|
355 | { |
|
|
356 | SV **svp; |
|
|
357 | |
|
|
358 | require_pv ("Time/HiRes.pm"); |
|
|
359 | |
|
|
360 | svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
|
|
361 | |
|
|
362 | if (!svp) croak ("Time::HiRes is required, but missing. Caught"); |
|
|
363 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer. Caught"); |
|
|
364 | |
|
|
365 | nvtime = INT2PTR (double (*)(), SvIV (*svp)); |
|
|
366 | |
|
|
367 | svp = hv_fetch (PL_modglobal, "Time::U2time", 12, 0); |
|
|
368 | u2time = INT2PTR (void (*)(pTHX_ UV ret[2]), SvIV (*svp)); |
|
|
369 | } |
|
|
370 | |
|
|
371 | #endif |
309 | |
372 | |
310 | /** lowlevel stuff **********************************************************/ |
373 | /** lowlevel stuff **********************************************************/ |
311 | |
374 | |
312 | static SV * |
375 | static SV * |
313 | coro_get_sv (pTHX_ const char *name, int create) |
376 | coro_get_sv (pTHX_ const char *name, int create) |
… | |
… | |
337 | get_hv (name, create); |
400 | get_hv (name, create); |
338 | #endif |
401 | #endif |
339 | return get_hv (name, create); |
402 | return get_hv (name, create); |
340 | } |
403 | } |
341 | |
404 | |
342 | /* may croak */ |
405 | INLINE void |
343 | INLINE CV * |
406 | coro_times_update () |
344 | coro_sv_2cv (pTHX_ SV *sv) |
|
|
345 | { |
407 | { |
|
|
408 | #ifdef coro_clock_gettime |
|
|
409 | struct timespec ts; |
|
|
410 | |
|
|
411 | ts.tv_sec = ts.tv_nsec = 0; |
|
|
412 | coro_clock_gettime (CORO_CLOCK_THREAD_CPUTIME_ID, &ts); |
|
|
413 | time_cpu [0] = ts.tv_sec; time_cpu [1] = ts.tv_nsec; |
|
|
414 | |
|
|
415 | ts.tv_sec = ts.tv_nsec = 0; |
|
|
416 | coro_clock_gettime (CORO_CLOCK_MONOTONIC, &ts); |
|
|
417 | time_real [0] = ts.tv_sec; time_real [1] = ts.tv_nsec; |
|
|
418 | #else |
|
|
419 | dTHX; |
|
|
420 | UV tv[2]; |
|
|
421 | |
|
|
422 | u2time (aTHX_ tv); |
|
|
423 | time_real [0] = tv [0]; |
|
|
424 | time_real [1] = tv [1] * 1000; |
|
|
425 | #endif |
|
|
426 | } |
|
|
427 | |
|
|
428 | INLINE void |
|
|
429 | coro_times_add (struct coro *c) |
|
|
430 | { |
|
|
431 | c->t_real [1] += time_real [1]; |
|
|
432 | if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } |
|
|
433 | c->t_real [0] += time_real [0]; |
|
|
434 | |
|
|
435 | c->t_cpu [1] += time_cpu [1]; |
|
|
436 | if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } |
|
|
437 | c->t_cpu [0] += time_cpu [0]; |
|
|
438 | } |
|
|
439 | |
|
|
440 | INLINE void |
|
|
441 | coro_times_sub (struct coro *c) |
|
|
442 | { |
|
|
443 | if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } |
|
|
444 | c->t_real [1] -= time_real [1]; |
|
|
445 | c->t_real [0] -= time_real [0]; |
|
|
446 | |
|
|
447 | if (c->t_cpu [1] < time_cpu [1]) { c->t_cpu [1] += 1000000000; --c->t_cpu [0]; } |
|
|
448 | c->t_cpu [1] -= time_cpu [1]; |
|
|
449 | c->t_cpu [0] -= time_cpu [0]; |
|
|
450 | } |
|
|
451 | |
|
|
452 | /*****************************************************************************/ |
|
|
453 | /* magic glue */ |
|
|
454 | |
|
|
455 | #define CORO_MAGIC_type_cv 26 |
|
|
456 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
|
|
457 | |
|
|
458 | #define CORO_MAGIC_NN(sv, type) \ |
|
|
459 | (expect_true (SvMAGIC (sv)->mg_type == type) \ |
|
|
460 | ? SvMAGIC (sv) \ |
|
|
461 | : mg_find (sv, type)) |
|
|
462 | |
|
|
463 | #define CORO_MAGIC(sv, type) \ |
|
|
464 | (expect_true (SvMAGIC (sv)) \ |
|
|
465 | ? CORO_MAGIC_NN (sv, type) \ |
|
|
466 | : 0) |
|
|
467 | |
|
|
468 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
|
|
469 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
|
|
470 | |
|
|
471 | INLINE struct coro * |
|
|
472 | SvSTATE_ (pTHX_ SV *coro) |
|
|
473 | { |
346 | HV *st; |
474 | HV *stash; |
347 | GV *gvp; |
475 | MAGIC *mg; |
348 | return sv_2cv (sv, &st, &gvp, 0); |
476 | |
|
|
477 | if (SvROK (coro)) |
|
|
478 | coro = SvRV (coro); |
|
|
479 | |
|
|
480 | if (expect_false (SvTYPE (coro) != SVt_PVHV)) |
|
|
481 | croak ("Coro::State object required"); |
|
|
482 | |
|
|
483 | stash = SvSTASH (coro); |
|
|
484 | if (expect_false (stash != coro_stash && stash != coro_state_stash)) |
|
|
485 | { |
|
|
486 | /* very slow, but rare, check */ |
|
|
487 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
|
|
488 | croak ("Coro::State object required"); |
|
|
489 | } |
|
|
490 | |
|
|
491 | mg = CORO_MAGIC_state (coro); |
|
|
492 | return (struct coro *)mg->mg_ptr; |
349 | } |
493 | } |
|
|
494 | |
|
|
495 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
|
|
496 | |
|
|
497 | /* faster than SvSTATE, but expects a coroutine hv */ |
|
|
498 | #define SvSTATE_hv(hv) ((struct coro *)CORO_MAGIC_NN ((SV *)hv, CORO_MAGIC_type_state)->mg_ptr) |
|
|
499 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
|
|
500 | |
|
|
501 | /*****************************************************************************/ |
|
|
502 | /* padlist management and caching */ |
350 | |
503 | |
351 | static AV * |
504 | static AV * |
352 | coro_clone_padlist (pTHX_ CV *cv) |
505 | coro_derive_padlist (pTHX_ CV *cv) |
353 | { |
506 | { |
354 | AV *padlist = CvPADLIST (cv); |
507 | AV *padlist = CvPADLIST (cv); |
355 | AV *newpadlist, *newpad; |
508 | AV *newpadlist, *newpad; |
356 | |
509 | |
357 | newpadlist = newAV (); |
510 | newpadlist = newAV (); |
… | |
… | |
362 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
515 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
363 | #endif |
516 | #endif |
364 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
517 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
365 | --AvFILLp (padlist); |
518 | --AvFILLp (padlist); |
366 | |
519 | |
367 | av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE))); |
520 | av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0])); |
368 | av_store (newpadlist, 1, (SV *)newpad); |
521 | av_store (newpadlist, 1, (SV *)newpad); |
369 | |
522 | |
370 | return newpadlist; |
523 | return newpadlist; |
371 | } |
524 | } |
372 | |
525 | |
373 | static void |
526 | static void |
374 | free_padlist (pTHX_ AV *padlist) |
527 | free_padlist (pTHX_ AV *padlist) |
375 | { |
528 | { |
376 | /* may be during global destruction */ |
529 | /* may be during global destruction */ |
377 | if (SvREFCNT (padlist)) |
530 | if (!IN_DESTRUCT) |
378 | { |
531 | { |
379 | I32 i = AvFILLp (padlist); |
532 | I32 i = AvFILLp (padlist); |
380 | while (i >= 0) |
533 | |
|
|
534 | while (i > 0) /* special-case index 0 */ |
381 | { |
535 | { |
382 | SV **svp = av_fetch (padlist, i--, FALSE); |
536 | /* we try to be extra-careful here */ |
383 | if (svp) |
537 | AV *av = (AV *)AvARRAY (padlist)[i--]; |
384 | { |
538 | I32 j = AvFILLp (av); |
385 | SV *sv; |
539 | |
386 | while (&PL_sv_undef != (sv = av_pop ((AV *)*svp))) |
540 | while (j >= 0) |
|
|
541 | SvREFCNT_dec (AvARRAY (av)[j--]); |
|
|
542 | |
|
|
543 | AvFILLp (av) = -1; |
387 | SvREFCNT_dec (sv); |
544 | SvREFCNT_dec (av); |
388 | |
|
|
389 | SvREFCNT_dec (*svp); |
|
|
390 | } |
|
|
391 | } |
545 | } |
392 | |
546 | |
|
|
547 | SvREFCNT_dec (AvARRAY (padlist)[0]); |
|
|
548 | |
|
|
549 | AvFILLp (padlist) = -1; |
393 | SvREFCNT_dec ((SV*)padlist); |
550 | SvREFCNT_dec ((SV*)padlist); |
394 | } |
551 | } |
395 | } |
552 | } |
396 | |
553 | |
397 | static int |
554 | static int |
398 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
555 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
399 | { |
556 | { |
400 | AV *padlist; |
557 | AV *padlist; |
401 | AV *av = (AV *)mg->mg_obj; |
558 | AV *av = (AV *)mg->mg_obj; |
|
|
559 | |
|
|
560 | /* perl manages to free our internal AV and _then_ call us */ |
|
|
561 | if (IN_DESTRUCT) |
|
|
562 | return 0; |
402 | |
563 | |
403 | /* casting is fun. */ |
564 | /* casting is fun. */ |
404 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
565 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
405 | free_padlist (aTHX_ padlist); |
566 | free_padlist (aTHX_ padlist); |
406 | |
567 | |
407 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
568 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
408 | |
569 | |
409 | return 0; |
570 | return 0; |
410 | } |
571 | } |
411 | |
|
|
412 | #define CORO_MAGIC_type_cv 26 |
|
|
413 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
|
|
414 | |
572 | |
415 | static MGVTBL coro_cv_vtbl = { |
573 | static MGVTBL coro_cv_vtbl = { |
416 | 0, 0, 0, 0, |
574 | 0, 0, 0, 0, |
417 | coro_cv_free |
575 | coro_cv_free |
418 | }; |
576 | }; |
419 | |
|
|
420 | #define CORO_MAGIC_NN(sv, type) \ |
|
|
421 | (expect_true (SvMAGIC (sv)->mg_type == type) \ |
|
|
422 | ? SvMAGIC (sv) \ |
|
|
423 | : mg_find (sv, type)) |
|
|
424 | |
|
|
425 | #define CORO_MAGIC(sv, type) \ |
|
|
426 | (expect_true (SvMAGIC (sv)) \ |
|
|
427 | ? CORO_MAGIC_NN (sv, type) \ |
|
|
428 | : 0) |
|
|
429 | |
|
|
430 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
|
|
431 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
|
|
432 | |
|
|
433 | INLINE struct coro * |
|
|
434 | SvSTATE_ (pTHX_ SV *coro) |
|
|
435 | { |
|
|
436 | HV *stash; |
|
|
437 | MAGIC *mg; |
|
|
438 | |
|
|
439 | if (SvROK (coro)) |
|
|
440 | coro = SvRV (coro); |
|
|
441 | |
|
|
442 | if (expect_false (SvTYPE (coro) != SVt_PVHV)) |
|
|
443 | croak ("Coro::State object required"); |
|
|
444 | |
|
|
445 | stash = SvSTASH (coro); |
|
|
446 | if (expect_false (stash != coro_stash && stash != coro_state_stash)) |
|
|
447 | { |
|
|
448 | /* very slow, but rare, check */ |
|
|
449 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
|
|
450 | croak ("Coro::State object required"); |
|
|
451 | } |
|
|
452 | |
|
|
453 | mg = CORO_MAGIC_state (coro); |
|
|
454 | return (struct coro *)mg->mg_ptr; |
|
|
455 | } |
|
|
456 | |
|
|
457 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
|
|
458 | |
|
|
459 | /* faster than SvSTATE, but expects a coroutine hv */ |
|
|
460 | #define SvSTATE_hv(hv) ((struct coro *)CORO_MAGIC_NN ((SV *)hv, CORO_MAGIC_type_state)->mg_ptr) |
|
|
461 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
|
|
462 | |
577 | |
463 | /* the next two functions merely cache the padlists */ |
578 | /* the next two functions merely cache the padlists */ |
464 | static void |
579 | static void |
465 | get_padlist (pTHX_ CV *cv) |
580 | get_padlist (pTHX_ CV *cv) |
466 | { |
581 | { |
… | |
… | |
477 | CV *cp = Perl_cv_clone (aTHX_ cv); |
592 | CV *cp = Perl_cv_clone (aTHX_ cv); |
478 | CvPADLIST (cv) = CvPADLIST (cp); |
593 | CvPADLIST (cv) = CvPADLIST (cp); |
479 | CvPADLIST (cp) = 0; |
594 | CvPADLIST (cp) = 0; |
480 | SvREFCNT_dec (cp); |
595 | SvREFCNT_dec (cp); |
481 | #else |
596 | #else |
482 | CvPADLIST (cv) = coro_clone_padlist (aTHX_ cv); |
597 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
483 | #endif |
598 | #endif |
484 | } |
599 | } |
485 | } |
600 | } |
486 | |
601 | |
487 | static void |
602 | static void |
… | |
… | |
494 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
609 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
495 | |
610 | |
496 | av = (AV *)mg->mg_obj; |
611 | av = (AV *)mg->mg_obj; |
497 | |
612 | |
498 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
613 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
499 | av_extend (av, AvMAX (av) + 1); |
614 | av_extend (av, AvFILLp (av) + 1); |
500 | |
615 | |
501 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
616 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
502 | } |
617 | } |
503 | |
618 | |
504 | /** load & save, init *******************************************************/ |
619 | /** load & save, init *******************************************************/ |
|
|
620 | |
|
|
621 | /* swap sv heads, at least logically */ |
|
|
622 | static void |
|
|
623 | swap_svs (pTHX_ Coro__State c) |
|
|
624 | { |
|
|
625 | int i; |
|
|
626 | |
|
|
627 | for (i = 0; i <= AvFILLp (c->swap_sv); ) |
|
|
628 | { |
|
|
629 | SV *a = AvARRAY (c->swap_sv)[i++]; |
|
|
630 | SV *b = AvARRAY (c->swap_sv)[i++]; |
|
|
631 | |
|
|
632 | const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */ |
|
|
633 | SV tmp; |
|
|
634 | |
|
|
635 | /* swap sv_any */ |
|
|
636 | SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp); |
|
|
637 | |
|
|
638 | /* swap sv_flags */ |
|
|
639 | SvFLAGS (&tmp) = SvFLAGS (a); |
|
|
640 | SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep); |
|
|
641 | SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep); |
|
|
642 | |
|
|
643 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
644 | /* perl 5.10 complicates this _quite_ a bit, but it also is |
|
|
645 | * much faster, so no quarrels here. alternatively, we could |
|
|
646 | * sv_upgrade to avoid this. |
|
|
647 | */ |
|
|
648 | { |
|
|
649 | /* swap sv_u */ |
|
|
650 | tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u; |
|
|
651 | |
|
|
652 | /* if SvANY points to the head, we need to adjust the pointers, |
|
|
653 | * as the pointer for a still points to b, and maybe vice versa. |
|
|
654 | */ |
|
|
655 | #define svany_in_head(type) \ |
|
|
656 | (((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type))) |
|
|
657 | |
|
|
658 | if (svany_in_head (SvTYPE (a))) |
|
|
659 | SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a); |
|
|
660 | |
|
|
661 | if (svany_in_head (SvTYPE (b))) |
|
|
662 | SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b); |
|
|
663 | } |
|
|
664 | #endif |
|
|
665 | } |
|
|
666 | } |
|
|
667 | |
|
|
668 | #define SWAP_SVS(coro) \ |
|
|
669 | if (expect_false ((coro)->swap_sv)) \ |
|
|
670 | swap_svs (aTHX_ (coro)) |
|
|
671 | |
|
|
672 | static void |
|
|
673 | on_enterleave_call (pTHX_ SV *cb); |
505 | |
674 | |
506 | static void |
675 | static void |
507 | load_perl (pTHX_ Coro__State c) |
676 | load_perl (pTHX_ Coro__State c) |
508 | { |
677 | { |
509 | perl_slots *slot = c->slot; |
678 | perl_slots *slot = c->slot; |
510 | c->slot = 0; |
679 | c->slot = 0; |
511 | |
680 | |
512 | PL_mainstack = c->mainstack; |
681 | PL_mainstack = c->mainstack; |
513 | |
682 | |
514 | GvSV (PL_defgv) = slot->defsv; |
683 | GvSV (PL_defgv) = slot->defsv; |
515 | GvAV (PL_defgv) = slot->defav; |
684 | GvAV (PL_defgv) = slot->defav; |
516 | GvSV (PL_errgv) = slot->errsv; |
685 | GvSV (PL_errgv) = slot->errsv; |
517 | GvSV (irsgv) = slot->irsgv; |
686 | GvSV (irsgv) = slot->irsgv; |
|
|
687 | GvHV (PL_hintgv) = slot->hinthv; |
518 | |
688 | |
519 | #define VAR(name,type) PL_ ## name = slot->name; |
689 | #define VAR(name,type) PL_ ## name = slot->name; |
520 | # include "state.h" |
690 | # include "state.h" |
521 | #undef VAR |
691 | #undef VAR |
522 | |
692 | |
… | |
… | |
536 | PUTBACK; |
706 | PUTBACK; |
537 | } |
707 | } |
538 | |
708 | |
539 | slf_frame = c->slf_frame; |
709 | slf_frame = c->slf_frame; |
540 | CORO_THROW = c->except; |
710 | CORO_THROW = c->except; |
|
|
711 | |
|
|
712 | if (expect_false (enable_times)) |
|
|
713 | { |
|
|
714 | if (expect_false (!times_valid)) |
|
|
715 | coro_times_update (); |
|
|
716 | |
|
|
717 | coro_times_sub (c); |
|
|
718 | } |
|
|
719 | |
|
|
720 | if (expect_false (c->on_enter)) |
|
|
721 | { |
|
|
722 | int i; |
|
|
723 | |
|
|
724 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
|
|
725 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
|
|
726 | } |
|
|
727 | |
|
|
728 | SWAP_SVS (c); |
541 | } |
729 | } |
542 | |
730 | |
543 | static void |
731 | static void |
544 | save_perl (pTHX_ Coro__State c) |
732 | save_perl (pTHX_ Coro__State c) |
545 | { |
733 | { |
|
|
734 | SWAP_SVS (c); |
|
|
735 | |
|
|
736 | if (expect_false (c->on_leave)) |
|
|
737 | { |
|
|
738 | int i; |
|
|
739 | |
|
|
740 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
|
|
741 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
|
|
742 | } |
|
|
743 | |
|
|
744 | times_valid = 0; |
|
|
745 | |
|
|
746 | if (expect_false (enable_times)) |
|
|
747 | { |
|
|
748 | coro_times_update (); times_valid = 1; |
|
|
749 | coro_times_add (c); |
|
|
750 | } |
|
|
751 | |
546 | c->except = CORO_THROW; |
752 | c->except = CORO_THROW; |
547 | c->slf_frame = slf_frame; |
753 | c->slf_frame = slf_frame; |
548 | |
754 | |
549 | { |
755 | { |
550 | dSP; |
756 | dSP; |
… | |
… | |
563 | { |
769 | { |
564 | while (expect_true (cxix >= 0)) |
770 | while (expect_true (cxix >= 0)) |
565 | { |
771 | { |
566 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
772 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
567 | |
773 | |
568 | if (expect_true (CxTYPE (cx) == CXt_SUB || CxTYPE (cx) == CXt_FORMAT)) |
774 | if (expect_true (CxTYPE (cx) == CXt_SUB) || expect_false (CxTYPE (cx) == CXt_FORMAT)) |
569 | { |
775 | { |
570 | CV *cv = cx->blk_sub.cv; |
776 | CV *cv = cx->blk_sub.cv; |
571 | |
777 | |
572 | if (expect_true (CvDEPTH (cv))) |
778 | if (expect_true (CvDEPTH (cv))) |
573 | { |
779 | { |
… | |
… | |
597 | /* we manually unroll here, as usually 2 slots is enough */ |
803 | /* we manually unroll here, as usually 2 slots is enough */ |
598 | if (SLOT_COUNT >= 1) CXINC; |
804 | if (SLOT_COUNT >= 1) CXINC; |
599 | if (SLOT_COUNT >= 2) CXINC; |
805 | if (SLOT_COUNT >= 2) CXINC; |
600 | if (SLOT_COUNT >= 3) CXINC; |
806 | if (SLOT_COUNT >= 3) CXINC; |
601 | { |
807 | { |
602 | int i; |
808 | unsigned int i; |
603 | for (i = 3; i < SLOT_COUNT; ++i) |
809 | for (i = 3; i < SLOT_COUNT; ++i) |
604 | CXINC; |
810 | CXINC; |
605 | } |
811 | } |
606 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
812 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
607 | |
813 | |
608 | c->mainstack = PL_mainstack; |
814 | c->mainstack = PL_mainstack; |
609 | |
815 | |
610 | { |
816 | { |
611 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
817 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
612 | |
818 | |
613 | slot->defav = GvAV (PL_defgv); |
819 | slot->defav = GvAV (PL_defgv); |
614 | slot->defsv = DEFSV; |
820 | slot->defsv = DEFSV; |
615 | slot->errsv = ERRSV; |
821 | slot->errsv = ERRSV; |
616 | slot->irsgv = GvSV (irsgv); |
822 | slot->irsgv = GvSV (irsgv); |
|
|
823 | slot->hinthv = GvHV (PL_hintgv); |
617 | |
824 | |
618 | #define VAR(name,type) slot->name = PL_ ## name; |
825 | #define VAR(name,type) slot->name = PL_ ## name; |
619 | # include "state.h" |
826 | # include "state.h" |
620 | #undef VAR |
827 | #undef VAR |
621 | } |
828 | } |
… | |
… | |
748 | #endif |
955 | #endif |
749 | |
956 | |
750 | /* |
957 | /* |
751 | * This overrides the default magic get method of %SIG elements. |
958 | * This overrides the default magic get method of %SIG elements. |
752 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
959 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
753 | * and instead of tryign to save and restore the hash elements, we just provide |
960 | * and instead of trying to save and restore the hash elements, we just provide |
754 | * readback here. |
961 | * readback here. |
755 | * We only do this when the hook is != 0, as they are often set to 0 temporarily, |
|
|
756 | * not expecting this to actually change the hook. This is a potential problem |
|
|
757 | * when a schedule happens then, but we ignore this. |
|
|
758 | */ |
962 | */ |
759 | static int |
963 | static int |
760 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
964 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
761 | { |
965 | { |
762 | const char *s = MgPV_nolen_const (mg); |
966 | const char *s = MgPV_nolen_const (mg); |
… | |
… | |
815 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
1019 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
816 | |
1020 | |
817 | if (svp) |
1021 | if (svp) |
818 | { |
1022 | { |
819 | SV *old = *svp; |
1023 | SV *old = *svp; |
820 | *svp = newSVsv (sv); |
1024 | *svp = SvOK (sv) ? newSVsv (sv) : 0; |
821 | SvREFCNT_dec (old); |
1025 | SvREFCNT_dec (old); |
822 | return 0; |
1026 | return 0; |
823 | } |
1027 | } |
824 | } |
1028 | } |
825 | |
1029 | |
… | |
… | |
843 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
1047 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
844 | { |
1048 | { |
845 | return 1; |
1049 | return 1; |
846 | } |
1050 | } |
847 | |
1051 | |
848 | static UNOP coro_setup_op; |
1052 | static UNOP init_perl_op; |
849 | |
1053 | |
850 | static void NOINLINE /* noinline to keep it out of the transfer fast path */ |
1054 | static void NOINLINE /* noinline to keep it out of the transfer fast path */ |
851 | coro_setup (pTHX_ struct coro *coro) |
1055 | init_perl (pTHX_ struct coro *coro) |
852 | { |
1056 | { |
853 | /* |
1057 | /* |
854 | * emulate part of the perl startup here. |
1058 | * emulate part of the perl startup here. |
855 | */ |
1059 | */ |
856 | coro_init_stacks (aTHX); |
1060 | coro_init_stacks (aTHX); |
857 | |
1061 | |
858 | PL_runops = RUNOPS_DEFAULT; |
1062 | PL_runops = RUNOPS_DEFAULT; |
859 | PL_curcop = &PL_compiling; |
1063 | PL_curcop = &PL_compiling; |
860 | PL_in_eval = EVAL_NULL; |
1064 | PL_in_eval = EVAL_NULL; |
861 | PL_comppad = 0; |
1065 | PL_comppad = 0; |
|
|
1066 | PL_comppad_name = 0; |
|
|
1067 | PL_comppad_name_fill = 0; |
|
|
1068 | PL_comppad_name_floor = 0; |
862 | PL_curpm = 0; |
1069 | PL_curpm = 0; |
863 | PL_curpad = 0; |
1070 | PL_curpad = 0; |
864 | PL_localizing = 0; |
1071 | PL_localizing = 0; |
865 | PL_dirty = 0; |
|
|
866 | PL_restartop = 0; |
1072 | PL_restartop = 0; |
867 | #if PERL_VERSION_ATLEAST (5,10,0) |
1073 | #if PERL_VERSION_ATLEAST (5,10,0) |
868 | PL_parser = 0; |
1074 | PL_parser = 0; |
869 | #endif |
1075 | #endif |
|
|
1076 | PL_hints = 0; |
870 | |
1077 | |
871 | /* recreate the die/warn hooks */ |
1078 | /* recreate the die/warn hooks */ |
872 | PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); |
1079 | PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); |
873 | PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook); |
1080 | PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook); |
874 | |
1081 | |
875 | GvSV (PL_defgv) = newSV (0); |
1082 | GvSV (PL_defgv) = newSV (0); |
876 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1083 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
877 | GvSV (PL_errgv) = newSV (0); |
1084 | GvSV (PL_errgv) = newSV (0); |
878 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
1085 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
|
|
1086 | GvHV (PL_hintgv) = 0; |
879 | PL_rs = newSVsv (GvSV (irsgv)); |
1087 | PL_rs = newSVsv (GvSV (irsgv)); |
880 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
1088 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
881 | |
1089 | |
882 | { |
1090 | { |
883 | dSP; |
1091 | dSP; |
… | |
… | |
900 | */ |
1108 | */ |
901 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
1109 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
902 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
1110 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
903 | |
1111 | |
904 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
1112 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
905 | coro_setup_op.op_next = PL_op; |
1113 | init_perl_op.op_next = PL_op; |
906 | coro_setup_op.op_type = OP_CUSTOM; |
1114 | init_perl_op.op_type = OP_ENTERSUB; |
907 | coro_setup_op.op_ppaddr = pp_slf; |
1115 | init_perl_op.op_ppaddr = pp_slf; |
908 | /* no flags etc. required, as an init function won't be called */ |
1116 | /* no flags etc. required, as an init function won't be called */ |
909 | |
1117 | |
910 | PL_op = (OP *)&coro_setup_op; |
1118 | PL_op = (OP *)&init_perl_op; |
911 | |
1119 | |
912 | /* copy throw, in case it was set before coro_setup */ |
1120 | /* copy throw, in case it was set before init_perl */ |
913 | CORO_THROW = coro->except; |
1121 | CORO_THROW = coro->except; |
914 | } |
|
|
915 | |
1122 | |
|
|
1123 | SWAP_SVS (coro); |
|
|
1124 | |
|
|
1125 | if (expect_false (enable_times)) |
|
|
1126 | { |
|
|
1127 | coro_times_update (); |
|
|
1128 | coro_times_sub (coro); |
|
|
1129 | } |
|
|
1130 | } |
|
|
1131 | |
916 | static void |
1132 | static void |
917 | coro_destruct (pTHX_ struct coro *coro) |
1133 | coro_unwind_stacks (pTHX) |
918 | { |
1134 | { |
919 | if (!IN_DESTRUCT) |
1135 | if (!IN_DESTRUCT) |
920 | { |
1136 | { |
921 | /* restore all saved variables and stuff */ |
1137 | /* restore all saved variables and stuff */ |
922 | LEAVE_SCOPE (0); |
1138 | LEAVE_SCOPE (0); |
… | |
… | |
930 | POPSTACK_TO (PL_mainstack); |
1146 | POPSTACK_TO (PL_mainstack); |
931 | |
1147 | |
932 | /* unwind main stack */ |
1148 | /* unwind main stack */ |
933 | dounwind (-1); |
1149 | dounwind (-1); |
934 | } |
1150 | } |
|
|
1151 | } |
935 | |
1152 | |
936 | SvREFCNT_dec (GvSV (PL_defgv)); |
1153 | static void |
937 | SvREFCNT_dec (GvAV (PL_defgv)); |
1154 | destroy_perl (pTHX_ struct coro *coro) |
938 | SvREFCNT_dec (GvSV (PL_errgv)); |
1155 | { |
939 | SvREFCNT_dec (PL_defoutgv); |
1156 | SV *svf [9]; |
940 | SvREFCNT_dec (PL_rs); |
|
|
941 | SvREFCNT_dec (GvSV (irsgv)); |
|
|
942 | |
1157 | |
943 | SvREFCNT_dec (PL_diehook); |
|
|
944 | SvREFCNT_dec (PL_warnhook); |
|
|
945 | |
1158 | { |
|
|
1159 | SV *old_current = SvRV (coro_current); |
|
|
1160 | struct coro *current = SvSTATE (old_current); |
|
|
1161 | |
|
|
1162 | assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack)); |
|
|
1163 | |
|
|
1164 | save_perl (aTHX_ current); |
|
|
1165 | |
|
|
1166 | /* this will cause transfer_check to croak on block*/ |
|
|
1167 | SvRV_set (coro_current, (SV *)coro->hv); |
|
|
1168 | |
|
|
1169 | load_perl (aTHX_ coro); |
|
|
1170 | |
|
|
1171 | coro_unwind_stacks (aTHX); |
|
|
1172 | coro_destruct_stacks (aTHX); |
|
|
1173 | |
|
|
1174 | /* restore swapped sv's */ |
|
|
1175 | SWAP_SVS (coro); |
|
|
1176 | |
|
|
1177 | // now save some sv's to be free'd later |
|
|
1178 | svf [0] = GvSV (PL_defgv); |
|
|
1179 | svf [1] = (SV *)GvAV (PL_defgv); |
|
|
1180 | svf [2] = GvSV (PL_errgv); |
|
|
1181 | svf [3] = (SV *)PL_defoutgv; |
|
|
1182 | svf [4] = PL_rs; |
|
|
1183 | svf [5] = GvSV (irsgv); |
|
|
1184 | svf [6] = (SV *)GvHV (PL_hintgv); |
|
|
1185 | svf [7] = PL_diehook; |
|
|
1186 | svf [8] = PL_warnhook; |
|
|
1187 | assert (9 == sizeof (svf) / sizeof (*svf)); |
|
|
1188 | |
|
|
1189 | SvRV_set (coro_current, old_current); |
|
|
1190 | |
|
|
1191 | load_perl (aTHX_ current); |
|
|
1192 | } |
|
|
1193 | |
|
|
1194 | { |
|
|
1195 | unsigned int i; |
|
|
1196 | |
|
|
1197 | for (i = 0; i < sizeof (svf) / sizeof (*svf); ++i) |
|
|
1198 | SvREFCNT_dec (svf [i]); |
|
|
1199 | |
946 | SvREFCNT_dec (coro->saved_deffh); |
1200 | SvREFCNT_dec (coro->saved_deffh); |
947 | SvREFCNT_dec (coro->rouse_cb); |
1201 | SvREFCNT_dec (coro->rouse_cb); |
948 | SvREFCNT_dec (coro->invoke_cb); |
1202 | SvREFCNT_dec (coro->invoke_cb); |
949 | SvREFCNT_dec (coro->invoke_av); |
1203 | SvREFCNT_dec (coro->invoke_av); |
950 | |
1204 | } |
951 | coro_destruct_stacks (aTHX); |
|
|
952 | } |
1205 | } |
953 | |
1206 | |
954 | INLINE void |
1207 | INLINE void |
955 | free_coro_mortal (pTHX) |
1208 | free_coro_mortal (pTHX) |
956 | { |
1209 | { |
… | |
… | |
964 | static int |
1217 | static int |
965 | runops_trace (pTHX) |
1218 | runops_trace (pTHX) |
966 | { |
1219 | { |
967 | COP *oldcop = 0; |
1220 | COP *oldcop = 0; |
968 | int oldcxix = -2; |
1221 | int oldcxix = -2; |
969 | struct coro *coro = SvSTATE_current; /* trace cctx is tied to specific coro */ |
|
|
970 | coro_cctx *cctx = coro->cctx; |
|
|
971 | |
1222 | |
972 | while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX))) |
1223 | while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX))) |
973 | { |
1224 | { |
974 | PERL_ASYNC_CHECK (); |
1225 | PERL_ASYNC_CHECK (); |
975 | |
1226 | |
976 | if (cctx->flags & CC_TRACE_ALL) |
1227 | if (cctx_current->flags & CC_TRACE_ALL) |
977 | { |
1228 | { |
978 | if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB) |
1229 | if (PL_op->op_type == OP_LEAVESUB && cctx_current->flags & CC_TRACE_SUB) |
979 | { |
1230 | { |
980 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1231 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
981 | SV **bot, **top; |
1232 | SV **bot, **top; |
982 | AV *av = newAV (); /* return values */ |
1233 | AV *av = newAV (); /* return values */ |
983 | SV **cb; |
1234 | SV **cb; |
… | |
… | |
1020 | |
1271 | |
1021 | if (PL_curcop != &PL_compiling) |
1272 | if (PL_curcop != &PL_compiling) |
1022 | { |
1273 | { |
1023 | SV **cb; |
1274 | SV **cb; |
1024 | |
1275 | |
1025 | if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB) |
1276 | if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB) |
1026 | { |
1277 | { |
1027 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1278 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1028 | |
1279 | |
1029 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
1280 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
1030 | { |
1281 | { |
… | |
… | |
1053 | } |
1304 | } |
1054 | |
1305 | |
1055 | oldcxix = cxstack_ix; |
1306 | oldcxix = cxstack_ix; |
1056 | } |
1307 | } |
1057 | |
1308 | |
1058 | if (cctx->flags & CC_TRACE_LINE) |
1309 | if (cctx_current->flags & CC_TRACE_LINE) |
1059 | { |
1310 | { |
1060 | dSP; |
1311 | dSP; |
1061 | |
1312 | |
1062 | PL_runops = RUNOPS_DEFAULT; |
1313 | PL_runops = RUNOPS_DEFAULT; |
1063 | ENTER; |
1314 | ENTER; |
… | |
… | |
1082 | |
1333 | |
1083 | TAINT_NOT; |
1334 | TAINT_NOT; |
1084 | return 0; |
1335 | return 0; |
1085 | } |
1336 | } |
1086 | |
1337 | |
1087 | static struct coro_cctx *cctx_ssl_cctx; |
|
|
1088 | static struct CoroSLF cctx_ssl_frame; |
1338 | static struct CoroSLF cctx_ssl_frame; |
1089 | |
1339 | |
1090 | static void |
1340 | static void |
1091 | slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta) |
1341 | slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta) |
1092 | { |
1342 | { |
1093 | ta->prev = (struct coro *)cctx_ssl_cctx; |
|
|
1094 | ta->next = 0; |
1343 | ta->prev = 0; |
1095 | } |
1344 | } |
1096 | |
1345 | |
1097 | static int |
1346 | static int |
1098 | slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame) |
1347 | slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame) |
1099 | { |
1348 | { |
… | |
… | |
1102 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1351 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1103 | } |
1352 | } |
1104 | |
1353 | |
1105 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1354 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1106 | static void NOINLINE |
1355 | static void NOINLINE |
1107 | cctx_prepare (pTHX_ coro_cctx *cctx) |
1356 | cctx_prepare (pTHX) |
1108 | { |
1357 | { |
1109 | PL_top_env = &PL_start_env; |
1358 | PL_top_env = &PL_start_env; |
1110 | |
1359 | |
1111 | if (cctx->flags & CC_TRACE) |
1360 | if (cctx_current->flags & CC_TRACE) |
1112 | PL_runops = runops_trace; |
1361 | PL_runops = runops_trace; |
1113 | |
1362 | |
1114 | /* we already must be executing an SLF op, there is no other valid way |
1363 | /* we already must be executing an SLF op, there is no other valid way |
1115 | * that can lead to creation of a new cctx */ |
1364 | * that can lead to creation of a new cctx */ |
1116 | assert (("FATAL: can't prepare slf-less cctx in Coro module (please report)", |
1365 | assert (("FATAL: can't prepare slf-less cctx in Coro module (please report)", |
1117 | slf_frame.prepare && PL_op->op_ppaddr == pp_slf)); |
1366 | slf_frame.prepare && PL_op->op_ppaddr == pp_slf)); |
1118 | |
1367 | |
1119 | /* we must emulate leaving pp_slf, which is done inside slf_check_set_stacklevel */ |
1368 | /* we must emulate leaving pp_slf, which is done inside slf_check_set_stacklevel */ |
1120 | cctx_ssl_cctx = cctx; |
|
|
1121 | cctx_ssl_frame = slf_frame; |
1369 | cctx_ssl_frame = slf_frame; |
1122 | |
1370 | |
1123 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1371 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1124 | slf_frame.check = slf_check_set_stacklevel; |
1372 | slf_frame.check = slf_check_set_stacklevel; |
1125 | } |
1373 | } |
… | |
… | |
1148 | /* normally we would need to skip the entersub here */ |
1396 | /* normally we would need to skip the entersub here */ |
1149 | /* not doing so will re-execute it, which is exactly what we want */ |
1397 | /* not doing so will re-execute it, which is exactly what we want */ |
1150 | /* PL_nop = PL_nop->op_next */ |
1398 | /* PL_nop = PL_nop->op_next */ |
1151 | |
1399 | |
1152 | /* inject a fake subroutine call to cctx_init */ |
1400 | /* inject a fake subroutine call to cctx_init */ |
1153 | cctx_prepare (aTHX_ (coro_cctx *)arg); |
1401 | cctx_prepare (aTHX); |
1154 | |
1402 | |
1155 | /* cctx_run is the alternative tail of transfer() */ |
1403 | /* cctx_run is the alternative tail of transfer() */ |
1156 | transfer_tail (aTHX); |
1404 | transfer_tail (aTHX); |
1157 | |
1405 | |
1158 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1406 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1159 | PL_restartop = PL_op; |
1407 | PL_restartop = PL_op; |
1160 | perl_run (PL_curinterp); |
1408 | perl_run (PL_curinterp); |
1161 | /* |
1409 | /* |
1162 | * Unfortunately, there is no way to get at the return values of the |
1410 | * Unfortunately, there is no way to get at the return values of the |
1163 | * coro body here, as perl_run destroys these |
1411 | * coro body here, as perl_run destroys these. Likewise, we cannot catch |
|
|
1412 | * runtime errors here, as this is just a random interpreter, not a thread. |
1164 | */ |
1413 | */ |
1165 | |
1414 | |
1166 | /* |
1415 | /* |
1167 | * If perl-run returns we assume exit() was being called or the coro |
1416 | * If perl-run returns we assume exit() was being called or the coro |
1168 | * fell off the end, which seems to be the only valid (non-bug) |
1417 | * fell off the end, which seems to be the only valid (non-bug) |
1169 | * reason for perl_run to return. We try to exit by jumping to the |
1418 | * reason for perl_run to return. We try to exit by jumping to the |
1170 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
1419 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
1171 | * coroutine as Coro has no such concept |
1420 | * coroutine as Coro has no such concept. |
|
|
1421 | * This actually isn't valid with the pthread backend, but OSes requiring |
|
|
1422 | * that backend are too broken to do it in a standards-compliant way. |
1172 | */ |
1423 | */ |
1173 | PL_top_env = main_top_env; |
1424 | PL_top_env = main_top_env; |
1174 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
1425 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
1175 | } |
1426 | } |
1176 | } |
1427 | } |
… | |
… | |
1253 | cctx_destroy (coro_cctx *cctx) |
1504 | cctx_destroy (coro_cctx *cctx) |
1254 | { |
1505 | { |
1255 | if (!cctx) |
1506 | if (!cctx) |
1256 | return; |
1507 | return; |
1257 | |
1508 | |
|
|
1509 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current)); |
|
|
1510 | |
1258 | --cctx_count; |
1511 | --cctx_count; |
1259 | coro_destroy (&cctx->cctx); |
1512 | coro_destroy (&cctx->cctx); |
1260 | |
1513 | |
1261 | /* coro_transfer creates new, empty cctx's */ |
1514 | /* coro_transfer creates new, empty cctx's */ |
1262 | if (cctx->sptr) |
1515 | if (cctx->sptr) |
… | |
… | |
1325 | /* TODO: throwing up here is considered harmful */ |
1578 | /* TODO: throwing up here is considered harmful */ |
1326 | |
1579 | |
1327 | if (expect_true (prev != next)) |
1580 | if (expect_true (prev != next)) |
1328 | { |
1581 | { |
1329 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1582 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1330 | croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states,"); |
1583 | croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); |
1331 | |
1584 | |
1332 | if (expect_false (next->flags & CF_RUNNING)) |
|
|
1333 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states,"); |
|
|
1334 | |
|
|
1335 | if (expect_false (next->flags & CF_DESTROYED)) |
1585 | if (expect_false (next->flags & (CF_RUNNING | CF_DESTROYED | CF_SUSPENDED))) |
1336 | croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states,"); |
1586 | croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); |
1337 | |
1587 | |
1338 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1588 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1339 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1589 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1340 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1590 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1341 | #endif |
1591 | #endif |
… | |
… | |
1347 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1597 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1348 | { |
1598 | { |
1349 | dSTACKLEVEL; |
1599 | dSTACKLEVEL; |
1350 | |
1600 | |
1351 | /* sometimes transfer is only called to set idle_sp */ |
1601 | /* sometimes transfer is only called to set idle_sp */ |
1352 | if (expect_false (!next)) |
1602 | if (expect_false (!prev)) |
1353 | { |
1603 | { |
1354 | ((coro_cctx *)prev)->idle_sp = STACKLEVEL; |
1604 | cctx_current->idle_sp = STACKLEVEL; |
1355 | assert (((coro_cctx *)prev)->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1605 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1356 | } |
1606 | } |
1357 | else if (expect_true (prev != next)) |
1607 | else if (expect_true (prev != next)) |
1358 | { |
1608 | { |
1359 | coro_cctx *prev__cctx; |
1609 | coro_cctx *cctx_prev; |
1360 | |
1610 | |
1361 | if (expect_false (prev->flags & CF_NEW)) |
1611 | if (expect_false (prev->flags & CF_NEW)) |
1362 | { |
1612 | { |
1363 | /* create a new empty/source context */ |
1613 | /* create a new empty/source context */ |
1364 | prev->cctx = cctx_new_empty (); |
|
|
1365 | prev->flags &= ~CF_NEW; |
1614 | prev->flags &= ~CF_NEW; |
1366 | prev->flags |= CF_RUNNING; |
1615 | prev->flags |= CF_RUNNING; |
1367 | } |
1616 | } |
1368 | |
1617 | |
1369 | prev->flags &= ~CF_RUNNING; |
1618 | prev->flags &= ~CF_RUNNING; |
… | |
… | |
1375 | if (expect_false (next->flags & CF_NEW)) |
1624 | if (expect_false (next->flags & CF_NEW)) |
1376 | { |
1625 | { |
1377 | /* need to start coroutine */ |
1626 | /* need to start coroutine */ |
1378 | next->flags &= ~CF_NEW; |
1627 | next->flags &= ~CF_NEW; |
1379 | /* setup coroutine call */ |
1628 | /* setup coroutine call */ |
1380 | coro_setup (aTHX_ next); |
1629 | init_perl (aTHX_ next); |
1381 | } |
1630 | } |
1382 | else |
1631 | else |
1383 | load_perl (aTHX_ next); |
1632 | load_perl (aTHX_ next); |
1384 | |
1633 | |
1385 | prev__cctx = prev->cctx; |
|
|
1386 | |
|
|
1387 | /* possibly untie and reuse the cctx */ |
1634 | /* possibly untie and reuse the cctx */ |
1388 | if (expect_true ( |
1635 | if (expect_true ( |
1389 | prev__cctx->idle_sp == STACKLEVEL |
1636 | cctx_current->idle_sp == STACKLEVEL |
1390 | && !(prev__cctx->flags & CC_TRACE) |
1637 | && !(cctx_current->flags & CC_TRACE) |
1391 | && !force_cctx |
1638 | && !force_cctx |
1392 | )) |
1639 | )) |
1393 | { |
1640 | { |
1394 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1641 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1395 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == prev__cctx->idle_te)); |
1642 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1396 | |
1643 | |
1397 | prev->cctx = 0; |
|
|
1398 | |
|
|
1399 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */ |
1644 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1400 | /* without this the next cctx_get might destroy the prev__cctx while still in use */ |
1645 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1401 | if (expect_false (CCTX_EXPIRED (prev__cctx))) |
1646 | if (expect_false (CCTX_EXPIRED (cctx_current))) |
1402 | if (!next->cctx) |
1647 | if (expect_true (!next->cctx)) |
1403 | next->cctx = cctx_get (aTHX); |
1648 | next->cctx = cctx_get (aTHX); |
1404 | |
1649 | |
1405 | cctx_put (prev__cctx); |
1650 | cctx_put (cctx_current); |
1406 | } |
1651 | } |
|
|
1652 | else |
|
|
1653 | prev->cctx = cctx_current; |
1407 | |
1654 | |
1408 | ++next->usecount; |
1655 | ++next->usecount; |
1409 | |
1656 | |
1410 | if (expect_true (!next->cctx)) |
1657 | cctx_prev = cctx_current; |
1411 | next->cctx = cctx_get (aTHX); |
1658 | cctx_current = expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1412 | |
1659 | |
1413 | if (expect_false (prev__cctx != next->cctx)) |
1660 | next->cctx = 0; |
|
|
1661 | |
|
|
1662 | if (expect_false (cctx_prev != cctx_current)) |
1414 | { |
1663 | { |
1415 | prev__cctx->top_env = PL_top_env; |
1664 | cctx_prev->top_env = PL_top_env; |
1416 | PL_top_env = next->cctx->top_env; |
1665 | PL_top_env = cctx_current->top_env; |
1417 | coro_transfer (&prev__cctx->cctx, &next->cctx->cctx); |
1666 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1418 | } |
1667 | } |
1419 | |
1668 | |
1420 | transfer_tail (aTHX); |
1669 | transfer_tail (aTHX); |
1421 | } |
1670 | } |
1422 | } |
1671 | } |
… | |
… | |
1424 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1673 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1425 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1674 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1426 | |
1675 | |
1427 | /** high level stuff ********************************************************/ |
1676 | /** high level stuff ********************************************************/ |
1428 | |
1677 | |
1429 | static int |
1678 | static void |
1430 | coro_state_destroy (pTHX_ struct coro *coro) |
1679 | coro_state_destroy (pTHX_ struct coro *coro) |
1431 | { |
1680 | { |
1432 | if (coro->flags & CF_DESTROYED) |
1681 | if (coro->flags & CF_DESTROYED) |
1433 | return 0; |
1682 | return; |
1434 | |
1683 | |
1435 | if (coro->on_destroy) |
|
|
1436 | coro->on_destroy (aTHX_ coro); |
1684 | slf_destroy (aTHX_ coro); |
1437 | |
1685 | |
1438 | coro->flags |= CF_DESTROYED; |
1686 | coro->flags |= CF_DESTROYED; |
1439 | |
1687 | |
1440 | if (coro->flags & CF_READY) |
1688 | if (coro->flags & CF_READY) |
1441 | { |
1689 | { |
… | |
… | |
1444 | --coro_nready; |
1692 | --coro_nready; |
1445 | } |
1693 | } |
1446 | else |
1694 | else |
1447 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
1695 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
1448 | |
1696 | |
1449 | if (coro->mainstack && coro->mainstack != main_mainstack) |
1697 | if (coro->mainstack |
1450 | { |
1698 | && coro->mainstack != main_mainstack |
1451 | struct coro temp; |
1699 | && coro->slot |
1452 | |
1700 | && !PL_dirty) |
1453 | assert (("FATAL: tried to destroy currently running coroutine (please report)", !(coro->flags & CF_RUNNING))); |
|
|
1454 | |
|
|
1455 | save_perl (aTHX_ &temp); |
|
|
1456 | load_perl (aTHX_ coro); |
1701 | destroy_perl (aTHX_ coro); |
1457 | |
1702 | |
1458 | coro_destruct (aTHX_ coro); |
1703 | if (coro->next) coro->next->prev = coro->prev; |
1459 | |
1704 | if (coro->prev) coro->prev->next = coro->next; |
1460 | load_perl (aTHX_ &temp); |
1705 | if (coro == coro_first) coro_first = coro->next; |
1461 | |
|
|
1462 | coro->slot = 0; |
|
|
1463 | } |
|
|
1464 | |
1706 | |
1465 | cctx_destroy (coro->cctx); |
1707 | cctx_destroy (coro->cctx); |
1466 | SvREFCNT_dec (coro->startcv); |
1708 | SvREFCNT_dec (coro->startcv); |
1467 | SvREFCNT_dec (coro->args); |
1709 | SvREFCNT_dec (coro->args); |
|
|
1710 | SvREFCNT_dec (coro->swap_sv); |
1468 | SvREFCNT_dec (CORO_THROW); |
1711 | SvREFCNT_dec (CORO_THROW); |
1469 | |
|
|
1470 | if (coro->next) coro->next->prev = coro->prev; |
|
|
1471 | if (coro->prev) coro->prev->next = coro->next; |
|
|
1472 | if (coro == coro_first) coro_first = coro->next; |
|
|
1473 | |
|
|
1474 | return 1; |
|
|
1475 | } |
1712 | } |
1476 | |
1713 | |
1477 | static int |
1714 | static int |
1478 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1715 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1479 | { |
1716 | { |
… | |
… | |
1527 | |
1764 | |
1528 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1765 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1529 | TRANSFER (ta, 1); |
1766 | TRANSFER (ta, 1); |
1530 | } |
1767 | } |
1531 | |
1768 | |
1532 | /*****************************************************************************/ |
|
|
1533 | /* gensub: simple closure generation utility */ |
|
|
1534 | |
|
|
1535 | #define GENSUB_ARG CvXSUBANY (cv).any_ptr |
|
|
1536 | |
|
|
1537 | /* create a closure from XS, returns a code reference */ |
|
|
1538 | /* the arg can be accessed via GENSUB_ARG from the callback */ |
|
|
1539 | /* the callback must use dXSARGS/XSRETURN */ |
|
|
1540 | static SV * |
|
|
1541 | gensub (pTHX_ void (*xsub)(pTHX_ CV *), void *arg) |
|
|
1542 | { |
|
|
1543 | CV *cv = (CV *)newSV (0); |
|
|
1544 | |
|
|
1545 | sv_upgrade ((SV *)cv, SVt_PVCV); |
|
|
1546 | |
|
|
1547 | CvANON_on (cv); |
|
|
1548 | CvISXSUB_on (cv); |
|
|
1549 | CvXSUB (cv) = xsub; |
|
|
1550 | GENSUB_ARG = arg; |
|
|
1551 | |
|
|
1552 | return newRV_noinc ((SV *)cv); |
|
|
1553 | } |
|
|
1554 | |
|
|
1555 | /** Coro ********************************************************************/ |
1769 | /** Coro ********************************************************************/ |
1556 | |
1770 | |
1557 | INLINE void |
1771 | INLINE void |
1558 | coro_enq (pTHX_ struct coro *coro) |
1772 | coro_enq (pTHX_ struct coro *coro) |
1559 | { |
1773 | { |
1560 | av_push (coro_ready [coro->prio - PRIO_MIN], SvREFCNT_inc_NN (coro->hv)); |
1774 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1561 | } |
|
|
1562 | |
1775 | |
1563 | INLINE SV * |
1776 | SvREFCNT_inc_NN (coro->hv); |
|
|
1777 | |
|
|
1778 | coro->next_ready = 0; |
|
|
1779 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
|
|
1780 | ready [1] = coro; |
|
|
1781 | } |
|
|
1782 | |
|
|
1783 | INLINE struct coro * |
1564 | coro_deq (pTHX) |
1784 | coro_deq (pTHX) |
1565 | { |
1785 | { |
1566 | int prio; |
1786 | int prio; |
1567 | |
1787 | |
1568 | for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; ) |
1788 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
1569 | if (AvFILLp (coro_ready [prio]) >= 0) |
1789 | { |
1570 | return av_shift (coro_ready [prio]); |
1790 | struct coro **ready = coro_ready [prio]; |
|
|
1791 | |
|
|
1792 | if (ready [0]) |
|
|
1793 | { |
|
|
1794 | struct coro *coro = ready [0]; |
|
|
1795 | ready [0] = coro->next_ready; |
|
|
1796 | return coro; |
|
|
1797 | } |
|
|
1798 | } |
1571 | |
1799 | |
1572 | return 0; |
1800 | return 0; |
|
|
1801 | } |
|
|
1802 | |
|
|
1803 | static void |
|
|
1804 | invoke_sv_ready_hook_helper (void) |
|
|
1805 | { |
|
|
1806 | dTHX; |
|
|
1807 | dSP; |
|
|
1808 | |
|
|
1809 | ENTER; |
|
|
1810 | SAVETMPS; |
|
|
1811 | |
|
|
1812 | PUSHMARK (SP); |
|
|
1813 | PUTBACK; |
|
|
1814 | call_sv (coro_readyhook, G_VOID | G_DISCARD); |
|
|
1815 | |
|
|
1816 | FREETMPS; |
|
|
1817 | LEAVE; |
1573 | } |
1818 | } |
1574 | |
1819 | |
1575 | static int |
1820 | static int |
1576 | api_ready (pTHX_ SV *coro_sv) |
1821 | api_ready (pTHX_ SV *coro_sv) |
1577 | { |
1822 | { |
1578 | struct coro *coro; |
|
|
1579 | SV *sv_hook; |
|
|
1580 | void (*xs_hook)(void); |
|
|
1581 | |
|
|
1582 | if (SvROK (coro_sv)) |
|
|
1583 | coro_sv = SvRV (coro_sv); |
|
|
1584 | |
|
|
1585 | coro = SvSTATE (coro_sv); |
1823 | struct coro *coro = SvSTATE (coro_sv); |
1586 | |
1824 | |
1587 | if (coro->flags & CF_READY) |
1825 | if (coro->flags & CF_READY) |
1588 | return 0; |
1826 | return 0; |
1589 | |
1827 | |
1590 | coro->flags |= CF_READY; |
1828 | coro->flags |= CF_READY; |
1591 | |
1829 | |
1592 | sv_hook = coro_nready ? 0 : coro_readyhook; |
|
|
1593 | xs_hook = coro_nready ? 0 : coroapi.readyhook; |
|
|
1594 | |
|
|
1595 | coro_enq (aTHX_ coro); |
1830 | coro_enq (aTHX_ coro); |
1596 | ++coro_nready; |
|
|
1597 | |
1831 | |
1598 | if (sv_hook) |
1832 | if (!coro_nready++) |
1599 | { |
1833 | if (coroapi.readyhook) |
1600 | dSP; |
1834 | coroapi.readyhook (); |
1601 | |
|
|
1602 | ENTER; |
|
|
1603 | SAVETMPS; |
|
|
1604 | |
|
|
1605 | PUSHMARK (SP); |
|
|
1606 | PUTBACK; |
|
|
1607 | call_sv (sv_hook, G_VOID | G_DISCARD); |
|
|
1608 | |
|
|
1609 | FREETMPS; |
|
|
1610 | LEAVE; |
|
|
1611 | } |
|
|
1612 | |
|
|
1613 | if (xs_hook) |
|
|
1614 | xs_hook (); |
|
|
1615 | |
1835 | |
1616 | return 1; |
1836 | return 1; |
1617 | } |
1837 | } |
1618 | |
1838 | |
1619 | static int |
1839 | static int |
… | |
… | |
1642 | static void |
1862 | static void |
1643 | prepare_schedule (pTHX_ struct coro_transfer_args *ta) |
1863 | prepare_schedule (pTHX_ struct coro_transfer_args *ta) |
1644 | { |
1864 | { |
1645 | for (;;) |
1865 | for (;;) |
1646 | { |
1866 | { |
1647 | SV *next_sv = coro_deq (aTHX); |
1867 | struct coro *next = coro_deq (aTHX); |
1648 | |
1868 | |
1649 | if (expect_true (next_sv)) |
1869 | if (expect_true (next)) |
1650 | { |
1870 | { |
1651 | struct coro *next = SvSTATE_hv (next_sv); |
|
|
1652 | |
|
|
1653 | /* cannot transfer to destroyed coros, skip and look for next */ |
1871 | /* cannot transfer to destroyed coros, skip and look for next */ |
1654 | if (expect_false (next->flags & CF_DESTROYED)) |
1872 | if (expect_false (next->flags & (CF_DESTROYED | CF_SUSPENDED))) |
1655 | SvREFCNT_dec (next_sv); /* coro_nready has already been taken care of by destroy */ |
1873 | SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ |
1656 | else |
1874 | else |
1657 | { |
1875 | { |
1658 | next->flags &= ~CF_READY; |
1876 | next->flags &= ~CF_READY; |
1659 | --coro_nready; |
1877 | --coro_nready; |
1660 | |
1878 | |
… | |
… | |
1663 | } |
1881 | } |
1664 | } |
1882 | } |
1665 | else |
1883 | else |
1666 | { |
1884 | { |
1667 | /* nothing to schedule: call the idle handler */ |
1885 | /* nothing to schedule: call the idle handler */ |
|
|
1886 | if (SvROK (sv_idle) |
|
|
1887 | && SvOBJECT (SvRV (sv_idle))) |
|
|
1888 | { |
|
|
1889 | if (SvRV (sv_idle) == SvRV (coro_current)) |
|
|
1890 | croak ("FATAL: $Coro::IDLE blocked itself - did you try to block inside an event loop callback? Caught"); |
|
|
1891 | |
|
|
1892 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
|
|
1893 | api_ready (aTHX_ SvRV (sv_idle)); |
|
|
1894 | --coro_nready; |
|
|
1895 | } |
|
|
1896 | else |
|
|
1897 | { |
|
|
1898 | /* TODO: deprecated, remove, cannot work reliably *//*D*/ |
1668 | dSP; |
1899 | dSP; |
1669 | |
1900 | |
1670 | ENTER; |
1901 | ENTER; |
1671 | SAVETMPS; |
1902 | SAVETMPS; |
1672 | |
1903 | |
1673 | PUSHMARK (SP); |
1904 | PUSHMARK (SP); |
1674 | PUTBACK; |
1905 | PUTBACK; |
1675 | call_sv (get_sv ("Coro::idle", FALSE), G_VOID | G_DISCARD); |
1906 | call_sv (sv_idle, G_VOID | G_DISCARD); |
1676 | |
1907 | |
1677 | FREETMPS; |
1908 | FREETMPS; |
1678 | LEAVE; |
1909 | LEAVE; |
|
|
1910 | } |
1679 | } |
1911 | } |
1680 | } |
1912 | } |
1681 | } |
1913 | } |
1682 | |
1914 | |
1683 | INLINE void |
1915 | INLINE void |
… | |
… | |
1754 | static void |
1986 | static void |
1755 | api_trace (pTHX_ SV *coro_sv, int flags) |
1987 | api_trace (pTHX_ SV *coro_sv, int flags) |
1756 | { |
1988 | { |
1757 | struct coro *coro = SvSTATE (coro_sv); |
1989 | struct coro *coro = SvSTATE (coro_sv); |
1758 | |
1990 | |
|
|
1991 | if (coro->flags & CF_RUNNING) |
|
|
1992 | croak ("cannot enable tracing on a running coroutine, caught"); |
|
|
1993 | |
1759 | if (flags & CC_TRACE) |
1994 | if (flags & CC_TRACE) |
1760 | { |
1995 | { |
1761 | if (!coro->cctx) |
1996 | if (!coro->cctx) |
1762 | coro->cctx = cctx_new_run (); |
1997 | coro->cctx = cctx_new_run (); |
1763 | else if (!(coro->cctx->flags & CC_TRACE)) |
1998 | else if (!(coro->cctx->flags & CC_TRACE)) |
1764 | croak ("cannot enable tracing on coroutine with custom stack,"); |
1999 | croak ("cannot enable tracing on coroutine with custom stack, caught"); |
1765 | |
2000 | |
1766 | coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL)); |
2001 | coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL)); |
1767 | } |
2002 | } |
1768 | else if (coro->cctx && coro->cctx->flags & CC_TRACE) |
2003 | else if (coro->cctx && coro->cctx->flags & CC_TRACE) |
1769 | { |
2004 | { |
… | |
… | |
1778 | |
2013 | |
1779 | static void |
2014 | static void |
1780 | coro_call_on_destroy (pTHX_ struct coro *coro) |
2015 | coro_call_on_destroy (pTHX_ struct coro *coro) |
1781 | { |
2016 | { |
1782 | SV **on_destroyp = hv_fetch (coro->hv, "_on_destroy", sizeof ("_on_destroy") - 1, 0); |
2017 | SV **on_destroyp = hv_fetch (coro->hv, "_on_destroy", sizeof ("_on_destroy") - 1, 0); |
1783 | SV **statusp = hv_fetch (coro->hv, "_status", sizeof ("_status") - 1, 0); |
|
|
1784 | |
2018 | |
1785 | if (on_destroyp) |
2019 | if (on_destroyp) |
1786 | { |
2020 | { |
1787 | AV *on_destroy = (AV *)SvRV (*on_destroyp); |
2021 | SV **statusp = hv_fetch (coro->hv, "_status", sizeof ("_status") - 1, 0); |
|
|
2022 | AV *on_destroy = sv_2mortal (SvREFCNT_inc ((AV *)SvRV (*on_destroyp))); |
|
|
2023 | AV *status = statusp ? sv_2mortal (SvREFCNT_inc ((AV *)SvRV (*statusp))) : 0; |
1788 | |
2024 | |
1789 | while (AvFILLp (on_destroy) >= 0) |
2025 | while (AvFILLp (on_destroy) >= 0) |
1790 | { |
2026 | { |
1791 | dSP; /* don't disturb outer sp */ |
2027 | dSP; /* don't disturb outer sp */ |
1792 | SV *cb = av_pop (on_destroy); |
2028 | SV *cb = av_pop (on_destroy); |
… | |
… | |
1794 | PUSHMARK (SP); |
2030 | PUSHMARK (SP); |
1795 | |
2031 | |
1796 | if (statusp) |
2032 | if (statusp) |
1797 | { |
2033 | { |
1798 | int i; |
2034 | int i; |
1799 | AV *status = (AV *)SvRV (*statusp); |
|
|
1800 | EXTEND (SP, AvFILLp (status) + 1); |
2035 | EXTEND (SP, AvFILLp (status) + 1); |
1801 | |
2036 | |
1802 | for (i = 0; i <= AvFILLp (status); ++i) |
2037 | for (i = 0; i <= AvFILLp (status); ++i) |
1803 | PUSHs (AvARRAY (status)[i]); |
2038 | PUSHs (AvARRAY (status)[i]); |
1804 | } |
2039 | } |
… | |
… | |
1808 | } |
2043 | } |
1809 | } |
2044 | } |
1810 | } |
2045 | } |
1811 | |
2046 | |
1812 | static void |
2047 | static void |
1813 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2048 | coro_set_status (HV *coro_hv, SV **arg, int items) |
1814 | { |
2049 | { |
1815 | int i; |
|
|
1816 | HV *hv = (HV *)SvRV (coro_current); |
|
|
1817 | AV *av = newAV (); |
2050 | AV *av = newAV (); |
1818 | |
2051 | |
|
|
2052 | /* items are actually not so common, so optimise for this case */ |
|
|
2053 | if (items) |
|
|
2054 | { |
|
|
2055 | int i; |
|
|
2056 | |
1819 | av_extend (av, items - 1); |
2057 | av_extend (av, items - 1); |
|
|
2058 | |
1820 | for (i = 0; i < items; ++i) |
2059 | for (i = 0; i < items; ++i) |
1821 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
2060 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
|
|
2061 | } |
1822 | |
2062 | |
1823 | hv_store (hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0); |
2063 | hv_store (coro_hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0); |
|
|
2064 | } |
1824 | |
2065 | |
|
|
2066 | static void |
|
|
2067 | slf_init_terminate_cancel_common (pTHX_ struct CoroSLF *frame, HV *coro_hv) |
|
|
2068 | { |
1825 | av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */ |
2069 | av_push (av_destroy, (SV *)newRV_inc ((SV *)coro_hv)); /* RVinc for perl */ |
1826 | api_ready (aTHX_ sv_manager); |
2070 | api_ready (aTHX_ sv_manager); |
1827 | |
2071 | |
1828 | frame->prepare = prepare_schedule; |
2072 | frame->prepare = prepare_schedule; |
1829 | frame->check = slf_check_repeat; |
2073 | frame->check = slf_check_repeat; |
|
|
2074 | |
|
|
2075 | /* as a minor optimisation, we could unwind all stacks here */ |
|
|
2076 | /* but that puts extra pressure on pp_slf, and is not worth much */ |
|
|
2077 | /*coro_unwind_stacks (aTHX);*/ |
|
|
2078 | } |
|
|
2079 | |
|
|
2080 | static void |
|
|
2081 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2082 | { |
|
|
2083 | HV *coro_hv = (HV *)SvRV (coro_current); |
|
|
2084 | |
|
|
2085 | coro_set_status (coro_hv, arg, items); |
|
|
2086 | slf_init_terminate_cancel_common (frame, coro_hv); |
|
|
2087 | } |
|
|
2088 | |
|
|
2089 | static void |
|
|
2090 | slf_init_cancel (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2091 | { |
|
|
2092 | HV *coro_hv; |
|
|
2093 | struct coro *coro; |
|
|
2094 | |
|
|
2095 | if (items <= 0) |
|
|
2096 | croak ("Coro::cancel called without coro object,"); |
|
|
2097 | |
|
|
2098 | coro = SvSTATE (arg [0]); |
|
|
2099 | coro_hv = coro->hv; |
|
|
2100 | |
|
|
2101 | coro_set_status (coro_hv, arg + 1, items - 1); |
|
|
2102 | |
|
|
2103 | if (expect_false (coro->flags & CF_NOCANCEL)) |
|
|
2104 | { |
|
|
2105 | /* coro currently busy cancelling something, so just notify it */ |
|
|
2106 | coro->slf_frame.data = (void *)coro; |
|
|
2107 | |
|
|
2108 | frame->prepare = prepare_nop; |
|
|
2109 | frame->check = slf_check_nop; |
|
|
2110 | } |
|
|
2111 | else if (coro_hv == (HV *)SvRV (coro_current)) |
|
|
2112 | { |
|
|
2113 | /* cancelling the current coro is allowed, and equals terminate */ |
|
|
2114 | slf_init_terminate_cancel_common (frame, coro_hv); |
|
|
2115 | } |
|
|
2116 | else |
|
|
2117 | { |
|
|
2118 | struct coro *self = SvSTATE_current; |
|
|
2119 | |
|
|
2120 | /* otherwise we cancel directly, purely for speed reasons |
|
|
2121 | * unfortunately, this requires some magic trickery, as |
|
|
2122 | * somebody else could cancel us, so we have to fight the cancellation. |
|
|
2123 | * this is ugly, and hopefully fully worth the extra speed. |
|
|
2124 | * besides, I can't get the slow-but-safe version working... |
|
|
2125 | */ |
|
|
2126 | slf_frame.data = 0; |
|
|
2127 | self->flags |= CF_NOCANCEL; |
|
|
2128 | |
|
|
2129 | coro_state_destroy (aTHX_ coro); |
|
|
2130 | coro_call_on_destroy (aTHX_ coro); |
|
|
2131 | |
|
|
2132 | self->flags &= ~CF_NOCANCEL; |
|
|
2133 | |
|
|
2134 | if (slf_frame.data) |
|
|
2135 | { |
|
|
2136 | /* while we were busy we have been cancelled, so terminate */ |
|
|
2137 | slf_init_terminate_cancel_common (frame, self->hv); |
|
|
2138 | } |
|
|
2139 | else |
|
|
2140 | { |
|
|
2141 | frame->prepare = prepare_nop; |
|
|
2142 | frame->check = slf_check_nop; |
|
|
2143 | } |
|
|
2144 | } |
|
|
2145 | } |
|
|
2146 | |
|
|
2147 | static int |
|
|
2148 | slf_check_safe_cancel (pTHX_ struct CoroSLF *frame) |
|
|
2149 | { |
|
|
2150 | frame->prepare = 0; |
|
|
2151 | coro_unwind_stacks (); |
|
|
2152 | |
|
|
2153 | slf_init_terminate_cancel_common (aTHX_ frame, (HV *)SvRV (coro_current)); |
|
|
2154 | |
|
|
2155 | return 1; |
|
|
2156 | } |
|
|
2157 | |
|
|
2158 | static int |
|
|
2159 | safe_cancel (pTHX_ struct coro *coro, SV **arg, int items) |
|
|
2160 | { |
|
|
2161 | if (coro->cctx) |
|
|
2162 | croak ("coro inside C callback, unable to cancel at this time, caught"); |
|
|
2163 | |
|
|
2164 | if (coro->flags & CF_NEW) |
|
|
2165 | { |
|
|
2166 | coro_set_status (coro->hv, arg, items); |
|
|
2167 | coro_state_destroy (aTHX_ coro); |
|
|
2168 | coro_call_on_destroy (aTHX_ coro); |
|
|
2169 | } |
|
|
2170 | else |
|
|
2171 | { |
|
|
2172 | if (!coro->slf_frame.prepare) |
|
|
2173 | croak ("coro outside an SLF function, unable to cancel at this time, caught"); |
|
|
2174 | |
|
|
2175 | slf_destroy (coro); |
|
|
2176 | |
|
|
2177 | coro_set_status (coro->hv, arg, items); |
|
|
2178 | coro->slf_frame.prepare = prepare_nop; |
|
|
2179 | coro->slf_frame.check = slf_check_safe_cancel; |
|
|
2180 | |
|
|
2181 | api_ready (aTHX_ coro->hv); |
|
|
2182 | } |
|
|
2183 | |
|
|
2184 | return 1; |
1830 | } |
2185 | } |
1831 | |
2186 | |
1832 | /*****************************************************************************/ |
2187 | /*****************************************************************************/ |
1833 | /* async pool handler */ |
2188 | /* async pool handler */ |
1834 | |
2189 | |
… | |
… | |
1874 | coro->saved_deffh = 0; |
2229 | coro->saved_deffh = 0; |
1875 | |
2230 | |
1876 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
2231 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
1877 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
2232 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
1878 | { |
2233 | { |
1879 | coro->invoke_cb = SvREFCNT_inc_NN ((SV *)cv_coro_terminate); |
2234 | slf_init_terminate_cancel_common (aTHX_ frame, hv); |
1880 | coro->invoke_av = newAV (); |
2235 | return; |
1881 | |
|
|
1882 | frame->prepare = prepare_nop; |
|
|
1883 | } |
2236 | } |
1884 | else |
2237 | else |
1885 | { |
2238 | { |
1886 | av_clear (GvAV (PL_defgv)); |
2239 | av_clear (GvAV (PL_defgv)); |
1887 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
2240 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
… | |
… | |
1912 | |
2265 | |
1913 | static void |
2266 | static void |
1914 | coro_rouse_callback (pTHX_ CV *cv) |
2267 | coro_rouse_callback (pTHX_ CV *cv) |
1915 | { |
2268 | { |
1916 | dXSARGS; |
2269 | dXSARGS; |
1917 | SV *data = (SV *)GENSUB_ARG; |
2270 | SV *data = (SV *)S_GENSUB_ARG; |
1918 | |
2271 | |
1919 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2272 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
1920 | { |
2273 | { |
1921 | /* first call, set args */ |
2274 | /* first call, set args */ |
|
|
2275 | SV *coro = SvRV (data); |
1922 | AV *av = newAV (); |
2276 | AV *av = newAV (); |
1923 | SV *coro = SvRV (data); |
|
|
1924 | |
2277 | |
1925 | SvRV_set (data, (SV *)av); |
2278 | SvRV_set (data, (SV *)av); |
1926 | api_ready (aTHX_ coro); |
|
|
1927 | SvREFCNT_dec (coro); |
|
|
1928 | |
2279 | |
1929 | /* better take a full copy of the arguments */ |
2280 | /* better take a full copy of the arguments */ |
1930 | while (items--) |
2281 | while (items--) |
1931 | av_store (av, items, newSVsv (ST (items))); |
2282 | av_store (av, items, newSVsv (ST (items))); |
|
|
2283 | |
|
|
2284 | api_ready (aTHX_ coro); |
|
|
2285 | SvREFCNT_dec (coro); |
1932 | } |
2286 | } |
1933 | |
2287 | |
1934 | XSRETURN_EMPTY; |
2288 | XSRETURN_EMPTY; |
1935 | } |
2289 | } |
1936 | |
2290 | |
… | |
… | |
1953 | |
2307 | |
1954 | EXTEND (SP, AvFILLp (av) + 1); |
2308 | EXTEND (SP, AvFILLp (av) + 1); |
1955 | for (i = 0; i <= AvFILLp (av); ++i) |
2309 | for (i = 0; i <= AvFILLp (av); ++i) |
1956 | PUSHs (sv_2mortal (AvARRAY (av)[i])); |
2310 | PUSHs (sv_2mortal (AvARRAY (av)[i])); |
1957 | |
2311 | |
1958 | /* we have stolen the elements, so ste length to zero and free */ |
2312 | /* we have stolen the elements, so set length to zero and free */ |
1959 | AvFILLp (av) = -1; |
2313 | AvFILLp (av) = -1; |
1960 | av_undef (av); |
2314 | av_undef (av); |
1961 | |
2315 | |
1962 | PUTBACK; |
2316 | PUTBACK; |
1963 | } |
2317 | } |
… | |
… | |
1987 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2341 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
1988 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2342 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
1989 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2343 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
1990 | |
2344 | |
1991 | { |
2345 | { |
1992 | CV *cv = (CV *)SvRV (cb); /* for GENSUB_ARG */ |
2346 | CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ |
1993 | SV *data = (SV *)GENSUB_ARG; |
2347 | SV *data = (SV *)S_GENSUB_ARG; |
1994 | |
2348 | |
1995 | frame->data = (void *)data; |
2349 | frame->data = (void *)data; |
1996 | frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule; |
2350 | frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule; |
1997 | frame->check = slf_check_rouse_wait; |
2351 | frame->check = slf_check_rouse_wait; |
1998 | } |
2352 | } |
… | |
… | |
2002 | coro_new_rouse_cb (pTHX) |
2356 | coro_new_rouse_cb (pTHX) |
2003 | { |
2357 | { |
2004 | HV *hv = (HV *)SvRV (coro_current); |
2358 | HV *hv = (HV *)SvRV (coro_current); |
2005 | struct coro *coro = SvSTATE_hv (hv); |
2359 | struct coro *coro = SvSTATE_hv (hv); |
2006 | SV *data = newRV_inc ((SV *)hv); |
2360 | SV *data = newRV_inc ((SV *)hv); |
2007 | SV *cb = gensub (aTHX_ coro_rouse_callback, (void *)data); |
2361 | SV *cb = s_gensub (aTHX_ coro_rouse_callback, (void *)data); |
2008 | |
2362 | |
2009 | sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0); |
2363 | sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0); |
2010 | SvREFCNT_dec (data); /* magicext increases the refcount */ |
2364 | SvREFCNT_dec (data); /* magicext increases the refcount */ |
2011 | |
2365 | |
2012 | SvREFCNT_dec (coro->rouse_cb); |
2366 | SvREFCNT_dec (coro->rouse_cb); |
… | |
… | |
2109 | static void |
2463 | static void |
2110 | slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2464 | slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2111 | { |
2465 | { |
2112 | frame->prepare = prepare_cede_notself; |
2466 | frame->prepare = prepare_cede_notself; |
2113 | frame->check = slf_check_nop; |
2467 | frame->check = slf_check_nop; |
|
|
2468 | } |
|
|
2469 | |
|
|
2470 | /* "undo"/cancel a running slf call - used when cancelling a coro, mainly */ |
|
|
2471 | static void |
|
|
2472 | slf_destroy (pTHX_ struct coro *coro) |
|
|
2473 | { |
|
|
2474 | /* this callback is reserved for slf functions needing to do cleanup */ |
|
|
2475 | if (coro->slf_frame.destroy && coro->slf_frame.prepare && !PL_dirty) |
|
|
2476 | coro->slf_frame.destroy (aTHX_ coro); |
|
|
2477 | |
|
|
2478 | /* |
|
|
2479 | * The on_destroy above most likely is from an SLF call. |
|
|
2480 | * Since by definition the SLF call will not finish when we destroy |
|
|
2481 | * the coro, we will have to force-finish it here, otherwise |
|
|
2482 | * cleanup functions cannot call SLF functions. |
|
|
2483 | */ |
|
|
2484 | coro->slf_frame.prepare = 0; |
2114 | } |
2485 | } |
2115 | |
2486 | |
2116 | /* |
2487 | /* |
2117 | * these not obviously related functions are all rolled into one |
2488 | * these not obviously related functions are all rolled into one |
2118 | * function to increase chances that they all will call transfer with the same |
2489 | * function to increase chances that they all will call transfer with the same |
… | |
… | |
2237 | if (PL_op->op_flags & OPf_STACKED) |
2608 | if (PL_op->op_flags & OPf_STACKED) |
2238 | { |
2609 | { |
2239 | if (items > slf_arga) |
2610 | if (items > slf_arga) |
2240 | { |
2611 | { |
2241 | slf_arga = items; |
2612 | slf_arga = items; |
2242 | free (slf_argv); |
2613 | Safefree (slf_argv); |
2243 | slf_argv = malloc (slf_arga * sizeof (SV *)); |
2614 | New (0, slf_argv, slf_arga, SV *); |
2244 | } |
2615 | } |
2245 | |
2616 | |
2246 | slf_argc = items; |
2617 | slf_argc = items; |
2247 | |
2618 | |
2248 | for (i = 0; i < items; ++i) |
2619 | for (i = 0; i < items; ++i) |
… | |
… | |
2250 | } |
2621 | } |
2251 | else |
2622 | else |
2252 | slf_argc = 0; |
2623 | slf_argc = 0; |
2253 | |
2624 | |
2254 | PL_op->op_ppaddr = pp_slf; |
2625 | PL_op->op_ppaddr = pp_slf; |
2255 | PL_op->op_type = OP_CUSTOM; /* maybe we should leave it at entersub? */ |
2626 | /*PL_op->op_type = OP_CUSTOM; /* we do behave like entersub still */ |
2256 | |
2627 | |
2257 | PL_op = (OP *)&slf_restore; |
2628 | PL_op = (OP *)&slf_restore; |
|
|
2629 | } |
|
|
2630 | |
|
|
2631 | /*****************************************************************************/ |
|
|
2632 | /* dynamic wind */ |
|
|
2633 | |
|
|
2634 | static void |
|
|
2635 | on_enterleave_call (pTHX_ SV *cb) |
|
|
2636 | { |
|
|
2637 | dSP; |
|
|
2638 | |
|
|
2639 | PUSHSTACK; |
|
|
2640 | |
|
|
2641 | PUSHMARK (SP); |
|
|
2642 | PUTBACK; |
|
|
2643 | call_sv (cb, G_VOID | G_DISCARD); |
|
|
2644 | SPAGAIN; |
|
|
2645 | |
|
|
2646 | POPSTACK; |
|
|
2647 | } |
|
|
2648 | |
|
|
2649 | static SV * |
|
|
2650 | coro_avp_pop_and_free (pTHX_ AV **avp) |
|
|
2651 | { |
|
|
2652 | AV *av = *avp; |
|
|
2653 | SV *res = av_pop (av); |
|
|
2654 | |
|
|
2655 | if (AvFILLp (av) < 0) |
|
|
2656 | { |
|
|
2657 | *avp = 0; |
|
|
2658 | SvREFCNT_dec (av); |
|
|
2659 | } |
|
|
2660 | |
|
|
2661 | return res; |
|
|
2662 | } |
|
|
2663 | |
|
|
2664 | static void |
|
|
2665 | coro_pop_on_enter (pTHX_ void *coro) |
|
|
2666 | { |
|
|
2667 | SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_enter); |
|
|
2668 | SvREFCNT_dec (cb); |
|
|
2669 | } |
|
|
2670 | |
|
|
2671 | static void |
|
|
2672 | coro_pop_on_leave (pTHX_ void *coro) |
|
|
2673 | { |
|
|
2674 | SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_leave); |
|
|
2675 | on_enterleave_call (aTHX_ sv_2mortal (cb)); |
2258 | } |
2676 | } |
2259 | |
2677 | |
2260 | /*****************************************************************************/ |
2678 | /*****************************************************************************/ |
2261 | /* PerlIO::cede */ |
2679 | /* PerlIO::cede */ |
2262 | |
2680 | |
… | |
… | |
2336 | /* Coro::Semaphore & Coro::Signal */ |
2754 | /* Coro::Semaphore & Coro::Signal */ |
2337 | |
2755 | |
2338 | static SV * |
2756 | static SV * |
2339 | coro_waitarray_new (pTHX_ int count) |
2757 | coro_waitarray_new (pTHX_ int count) |
2340 | { |
2758 | { |
2341 | /* a semaphore contains a counter IV in $sem->[0] and any waiters after that */ |
2759 | /* a waitarray=semaphore contains a counter IV in $sem->[0] and any waiters after that */ |
2342 | AV *av = newAV (); |
2760 | AV *av = newAV (); |
2343 | SV **ary; |
2761 | SV **ary; |
2344 | |
2762 | |
2345 | /* unfortunately, building manually saves memory */ |
2763 | /* unfortunately, building manually saves memory */ |
2346 | Newx (ary, 2, SV *); |
2764 | Newx (ary, 2, SV *); |
2347 | AvALLOC (av) = ary; |
2765 | AvALLOC (av) = ary; |
|
|
2766 | #if PERL_VERSION_ATLEAST (5,10,0) |
2348 | /*AvARRAY (av) = ary;*/ |
2767 | AvARRAY (av) = ary; |
|
|
2768 | #else |
2349 | SvPVX ((SV *)av) = (char *)ary; /* 5.8.8 needs this syntax instead of AvARRAY = ary */ |
2769 | /* 5.8.8 needs this syntax instead of AvARRAY = ary, yet */ |
|
|
2770 | /* -DDEBUGGING flags this as a bug, despite it perfectly working */ |
|
|
2771 | SvPVX ((SV *)av) = (char *)ary; |
|
|
2772 | #endif |
2350 | AvMAX (av) = 1; |
2773 | AvMAX (av) = 1; |
2351 | AvFILLp (av) = 0; |
2774 | AvFILLp (av) = 0; |
2352 | ary [0] = newSViv (count); |
2775 | ary [0] = newSViv (count); |
2353 | |
2776 | |
2354 | return newRV_noinc ((SV *)av); |
2777 | return newRV_noinc ((SV *)av); |
… | |
… | |
2392 | SvREFCNT_dec (cb); |
2815 | SvREFCNT_dec (cb); |
2393 | } |
2816 | } |
2394 | } |
2817 | } |
2395 | |
2818 | |
2396 | static void |
2819 | static void |
2397 | coro_semaphore_on_destroy (pTHX_ struct coro *coro) |
2820 | coro_semaphore_destroy (pTHX_ struct coro *coro) |
2398 | { |
2821 | { |
2399 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
2822 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
2400 | coro_semaphore_adjust (aTHX_ (AV *)coro->slf_frame.data, 0); |
2823 | coro_semaphore_adjust (aTHX_ (AV *)coro->slf_frame.data, 0); |
2401 | } |
2824 | } |
2402 | |
2825 | |
… | |
… | |
2409 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2832 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2410 | if (CORO_THROW) |
2833 | if (CORO_THROW) |
2411 | return 0; |
2834 | return 0; |
2412 | else if (SvIVX (count_sv) > 0) |
2835 | else if (SvIVX (count_sv) > 0) |
2413 | { |
2836 | { |
2414 | SvSTATE_current->on_destroy = 0; |
2837 | frame->destroy = 0; |
2415 | |
2838 | |
2416 | if (acquire) |
2839 | if (acquire) |
2417 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2840 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2418 | else |
2841 | else |
2419 | coro_semaphore_adjust (aTHX_ av, 0); |
2842 | coro_semaphore_adjust (aTHX_ av, 0); |
… | |
… | |
2462 | { |
2885 | { |
2463 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2886 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2464 | |
2887 | |
2465 | frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); |
2888 | frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); |
2466 | frame->prepare = prepare_schedule; |
2889 | frame->prepare = prepare_schedule; |
2467 | |
|
|
2468 | /* to avoid race conditions when a woken-up coro gets terminated */ |
2890 | /* to avoid race conditions when a woken-up coro gets terminated */ |
2469 | /* we arrange for a temporary on_destroy that calls adjust (0) */ |
2891 | /* we arrange for a temporary on_destroy that calls adjust (0) */ |
2470 | SvSTATE_current->on_destroy = coro_semaphore_on_destroy; |
2892 | frame->destroy = coro_semaphore_destroy; |
2471 | } |
2893 | } |
2472 | } |
2894 | } |
2473 | |
2895 | |
2474 | static void |
2896 | static void |
2475 | slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2897 | slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
… | |
… | |
2483 | { |
2905 | { |
2484 | if (items >= 2) |
2906 | if (items >= 2) |
2485 | { |
2907 | { |
2486 | /* callback form */ |
2908 | /* callback form */ |
2487 | AV *av = (AV *)SvRV (arg [0]); |
2909 | AV *av = (AV *)SvRV (arg [0]); |
2488 | CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]); |
2910 | SV *cb_cv = s_get_cv_croak (arg [1]); |
2489 | |
2911 | |
2490 | av_push (av, (SV *)SvREFCNT_inc_NN (cb_cv)); |
2912 | av_push (av, SvREFCNT_inc_NN (cb_cv)); |
2491 | |
2913 | |
2492 | if (SvIVX (AvARRAY (av)[0]) > 0) |
2914 | if (SvIVX (AvARRAY (av)[0]) > 0) |
2493 | coro_semaphore_adjust (aTHX_ av, 0); |
2915 | coro_semaphore_adjust (aTHX_ av, 0); |
2494 | |
2916 | |
2495 | frame->prepare = prepare_nop; |
2917 | frame->prepare = prepare_nop; |
… | |
… | |
2519 | AvARRAY (av)[0] = AvARRAY (av)[1]; |
2941 | AvARRAY (av)[0] = AvARRAY (av)[1]; |
2520 | AvARRAY (av)[1] = cb; |
2942 | AvARRAY (av)[1] = cb; |
2521 | |
2943 | |
2522 | cb = av_shift (av); |
2944 | cb = av_shift (av); |
2523 | |
2945 | |
|
|
2946 | if (SvTYPE (cb) == SVt_PVCV) |
|
|
2947 | { |
|
|
2948 | dSP; |
|
|
2949 | PUSHMARK (SP); |
|
|
2950 | XPUSHs (sv_2mortal (newRV_inc ((SV *)av))); |
|
|
2951 | PUTBACK; |
|
|
2952 | call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR); |
|
|
2953 | } |
|
|
2954 | else |
|
|
2955 | { |
2524 | api_ready (aTHX_ cb); |
2956 | api_ready (aTHX_ cb); |
2525 | sv_setiv (cb, 0); /* signal waiter */ |
2957 | sv_setiv (cb, 0); /* signal waiter */ |
|
|
2958 | } |
|
|
2959 | |
2526 | SvREFCNT_dec (cb); |
2960 | SvREFCNT_dec (cb); |
2527 | |
2961 | |
2528 | --count; |
2962 | --count; |
2529 | } |
2963 | } |
2530 | } |
2964 | } |
… | |
… | |
2539 | static void |
2973 | static void |
2540 | slf_init_signal_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2974 | slf_init_signal_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2541 | { |
2975 | { |
2542 | AV *av = (AV *)SvRV (arg [0]); |
2976 | AV *av = (AV *)SvRV (arg [0]); |
2543 | |
2977 | |
|
|
2978 | if (items >= 2) |
|
|
2979 | { |
|
|
2980 | SV *cb_cv = s_get_cv_croak (arg [1]); |
|
|
2981 | av_push (av, SvREFCNT_inc_NN (cb_cv)); |
|
|
2982 | |
2544 | if (SvIVX (AvARRAY (av)[0])) |
2983 | if (SvIVX (AvARRAY (av)[0])) |
|
|
2984 | coro_signal_wake (aTHX_ av, 1); /* must be the only waiter */ |
|
|
2985 | |
|
|
2986 | frame->prepare = prepare_nop; |
|
|
2987 | frame->check = slf_check_nop; |
|
|
2988 | } |
|
|
2989 | else if (SvIVX (AvARRAY (av)[0])) |
2545 | { |
2990 | { |
2546 | SvIVX (AvARRAY (av)[0]) = 0; |
2991 | SvIVX (AvARRAY (av)[0]) = 0; |
2547 | frame->prepare = prepare_nop; |
2992 | frame->prepare = prepare_nop; |
2548 | frame->check = slf_check_nop; |
2993 | frame->check = slf_check_nop; |
2549 | } |
2994 | } |
2550 | else |
2995 | else |
2551 | { |
2996 | { |
2552 | SV *waiter = newRV_inc (SvRV (coro_current)); /* owned by signal av */ |
2997 | SV *waiter = newSVsv (coro_current); /* owned by signal av */ |
2553 | |
2998 | |
2554 | av_push (av, waiter); |
2999 | av_push (av, waiter); |
2555 | |
3000 | |
2556 | frame->data = (void *)sv_2mortal (SvREFCNT_inc_NN (waiter)); /* owned by process */ |
3001 | frame->data = (void *)sv_2mortal (SvREFCNT_inc_NN (waiter)); /* owned by process */ |
2557 | frame->prepare = prepare_schedule; |
3002 | frame->prepare = prepare_schedule; |
… | |
… | |
2575 | |
3020 | |
2576 | static void |
3021 | static void |
2577 | coro_aio_callback (pTHX_ CV *cv) |
3022 | coro_aio_callback (pTHX_ CV *cv) |
2578 | { |
3023 | { |
2579 | dXSARGS; |
3024 | dXSARGS; |
2580 | AV *state = (AV *)GENSUB_ARG; |
3025 | AV *state = (AV *)S_GENSUB_ARG; |
2581 | SV *coro = av_pop (state); |
3026 | SV *coro = av_pop (state); |
2582 | SV *data_sv = newSV (sizeof (struct io_state)); |
3027 | SV *data_sv = newSV (sizeof (struct io_state)); |
2583 | |
3028 | |
2584 | av_extend (state, items - 1); |
3029 | av_extend (state, items - 1); |
2585 | |
3030 | |
… | |
… | |
2699 | |
3144 | |
2700 | for (i = 0; i < items; ++i) |
3145 | for (i = 0; i < items; ++i) |
2701 | PUSHs (arg [i]); |
3146 | PUSHs (arg [i]); |
2702 | |
3147 | |
2703 | /* now push the callback closure */ |
3148 | /* now push the callback closure */ |
2704 | PUSHs (sv_2mortal (gensub (aTHX_ coro_aio_callback, (void *)SvREFCNT_inc_NN ((SV *)state)))); |
3149 | PUSHs (sv_2mortal (s_gensub (aTHX_ coro_aio_callback, (void *)SvREFCNT_inc_NN ((SV *)state)))); |
2705 | |
3150 | |
2706 | /* now call the AIO function - we assume our request is uncancelable */ |
3151 | /* now call the AIO function - we assume our request is uncancelable */ |
2707 | PUTBACK; |
3152 | PUTBACK; |
2708 | call_sv ((SV *)req, G_VOID | G_DISCARD); |
3153 | call_sv ((SV *)req, G_VOID | G_DISCARD); |
2709 | } |
3154 | } |
2710 | |
3155 | |
2711 | /* now that the requets is going, we loop toll we have a result */ |
3156 | /* now that the request is going, we loop till we have a result */ |
2712 | frame->data = (void *)state; |
3157 | frame->data = (void *)state; |
2713 | frame->prepare = prepare_schedule; |
3158 | frame->prepare = prepare_schedule; |
2714 | frame->check = slf_check_aio_req; |
3159 | frame->check = slf_check_aio_req; |
2715 | } |
3160 | } |
2716 | |
3161 | |
… | |
… | |
2723 | |
3168 | |
2724 | XSRETURN_EMPTY; |
3169 | XSRETURN_EMPTY; |
2725 | } |
3170 | } |
2726 | |
3171 | |
2727 | /*****************************************************************************/ |
3172 | /*****************************************************************************/ |
|
|
3173 | |
|
|
3174 | #if CORO_CLONE |
|
|
3175 | # include "clone.c" |
|
|
3176 | #endif |
|
|
3177 | |
|
|
3178 | /*****************************************************************************/ |
|
|
3179 | |
|
|
3180 | static SV * |
|
|
3181 | coro_new (pTHX_ HV *stash, SV **argv, int argc, int is_coro) |
|
|
3182 | { |
|
|
3183 | SV *coro_sv; |
|
|
3184 | struct coro *coro; |
|
|
3185 | MAGIC *mg; |
|
|
3186 | HV *hv; |
|
|
3187 | SV *cb; |
|
|
3188 | int i; |
|
|
3189 | |
|
|
3190 | if (argc > 0) |
|
|
3191 | { |
|
|
3192 | cb = s_get_cv_croak (argv [0]); |
|
|
3193 | |
|
|
3194 | if (!is_coro) |
|
|
3195 | { |
|
|
3196 | if (CvISXSUB (cb)) |
|
|
3197 | croak ("Coro::State doesn't support XS functions as coroutine start, caught"); |
|
|
3198 | |
|
|
3199 | if (!CvROOT (cb)) |
|
|
3200 | croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught"); |
|
|
3201 | } |
|
|
3202 | } |
|
|
3203 | |
|
|
3204 | Newz (0, coro, 1, struct coro); |
|
|
3205 | coro->args = newAV (); |
|
|
3206 | coro->flags = CF_NEW; |
|
|
3207 | |
|
|
3208 | if (coro_first) coro_first->prev = coro; |
|
|
3209 | coro->next = coro_first; |
|
|
3210 | coro_first = coro; |
|
|
3211 | |
|
|
3212 | coro->hv = hv = newHV (); |
|
|
3213 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
|
|
3214 | mg->mg_flags |= MGf_DUP; |
|
|
3215 | coro_sv = sv_bless (newRV_noinc ((SV *)hv), stash); |
|
|
3216 | |
|
|
3217 | if (argc > 0) |
|
|
3218 | { |
|
|
3219 | av_extend (coro->args, argc + is_coro - 1); |
|
|
3220 | |
|
|
3221 | if (is_coro) |
|
|
3222 | { |
|
|
3223 | av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb)); |
|
|
3224 | cb = (SV *)cv_coro_run; |
|
|
3225 | } |
|
|
3226 | |
|
|
3227 | coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb); |
|
|
3228 | |
|
|
3229 | for (i = 1; i < argc; i++) |
|
|
3230 | av_push (coro->args, newSVsv (argv [i])); |
|
|
3231 | } |
|
|
3232 | |
|
|
3233 | return coro_sv; |
|
|
3234 | } |
2728 | |
3235 | |
2729 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
3236 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
2730 | |
3237 | |
2731 | PROTOTYPES: DISABLE |
3238 | PROTOTYPES: DISABLE |
2732 | |
3239 | |
… | |
… | |
2737 | coro_thx = PERL_GET_CONTEXT; |
3244 | coro_thx = PERL_GET_CONTEXT; |
2738 | # endif |
3245 | # endif |
2739 | #endif |
3246 | #endif |
2740 | BOOT_PAGESIZE; |
3247 | BOOT_PAGESIZE; |
2741 | |
3248 | |
|
|
3249 | cctx_current = cctx_new_empty (); |
|
|
3250 | |
2742 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3251 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
2743 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3252 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
2744 | |
3253 | |
2745 | orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get; |
3254 | orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get; |
2746 | orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set; |
3255 | orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set; |
… | |
… | |
2783 | coroapi.prepare_nop = prepare_nop; |
3292 | coroapi.prepare_nop = prepare_nop; |
2784 | coroapi.prepare_schedule = prepare_schedule; |
3293 | coroapi.prepare_schedule = prepare_schedule; |
2785 | coroapi.prepare_cede = prepare_cede; |
3294 | coroapi.prepare_cede = prepare_cede; |
2786 | coroapi.prepare_cede_notself = prepare_cede_notself; |
3295 | coroapi.prepare_cede_notself = prepare_cede_notself; |
2787 | |
3296 | |
2788 | { |
3297 | time_init (aTHX); |
2789 | SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
|
|
2790 | |
3298 | |
2791 | if (!svp) croak ("Time::HiRes is required"); |
|
|
2792 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer"); |
|
|
2793 | |
|
|
2794 | nvtime = INT2PTR (double (*)(), SvIV (*svp)); |
|
|
2795 | } |
|
|
2796 | |
|
|
2797 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
3299 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
2798 | } |
3300 | } |
2799 | |
3301 | |
2800 | SV * |
3302 | SV * |
2801 | new (char *klass, ...) |
3303 | new (SV *klass, ...) |
2802 | ALIAS: |
3304 | ALIAS: |
2803 | Coro::new = 1 |
3305 | Coro::new = 1 |
2804 | CODE: |
3306 | CODE: |
2805 | { |
3307 | RETVAL = coro_new (aTHX_ ix ? coro_stash : coro_state_stash, &ST (1), items - 1, ix); |
2806 | struct coro *coro; |
3308 | OUTPUT: |
2807 | MAGIC *mg; |
|
|
2808 | HV *hv; |
|
|
2809 | CV *cb; |
|
|
2810 | int i; |
|
|
2811 | |
|
|
2812 | if (items > 1) |
|
|
2813 | { |
|
|
2814 | cb = coro_sv_2cv (aTHX_ ST (1)); |
|
|
2815 | |
|
|
2816 | if (!ix) |
|
|
2817 | { |
|
|
2818 | if (CvISXSUB (cb)) |
|
|
2819 | croak ("Coro::State doesn't support XS functions as coroutine start, caught"); |
|
|
2820 | |
|
|
2821 | if (!CvROOT (cb)) |
|
|
2822 | croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught"); |
|
|
2823 | } |
|
|
2824 | } |
|
|
2825 | |
|
|
2826 | Newz (0, coro, 1, struct coro); |
|
|
2827 | coro->args = newAV (); |
|
|
2828 | coro->flags = CF_NEW; |
|
|
2829 | |
|
|
2830 | if (coro_first) coro_first->prev = coro; |
|
|
2831 | coro->next = coro_first; |
|
|
2832 | coro_first = coro; |
|
|
2833 | |
|
|
2834 | coro->hv = hv = newHV (); |
|
|
2835 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
|
|
2836 | mg->mg_flags |= MGf_DUP; |
|
|
2837 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
|
|
2838 | |
|
|
2839 | if (items > 1) |
|
|
2840 | { |
|
|
2841 | av_extend (coro->args, items - 1 + ix - 1); |
|
|
2842 | |
|
|
2843 | if (ix) |
|
|
2844 | { |
|
|
2845 | av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb)); |
|
|
2846 | cb = cv_coro_run; |
|
|
2847 | } |
|
|
2848 | |
|
|
2849 | coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb); |
|
|
2850 | |
|
|
2851 | for (i = 2; i < items; i++) |
|
|
2852 | av_push (coro->args, newSVsv (ST (i))); |
|
|
2853 | } |
|
|
2854 | } |
|
|
2855 | OUTPUT: |
|
|
2856 | RETVAL |
3309 | RETVAL |
2857 | |
3310 | |
2858 | void |
3311 | void |
2859 | transfer (...) |
3312 | transfer (...) |
2860 | PROTOTYPE: $$ |
3313 | PROTOTYPE: $$ |
2861 | CODE: |
3314 | CODE: |
2862 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3315 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
2863 | |
3316 | |
2864 | bool |
|
|
2865 | _destroy (SV *coro_sv) |
|
|
2866 | CODE: |
|
|
2867 | RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv)); |
|
|
2868 | OUTPUT: |
|
|
2869 | RETVAL |
|
|
2870 | |
|
|
2871 | void |
3317 | void |
2872 | _exit (int code) |
3318 | _exit (int code) |
2873 | PROTOTYPE: $ |
3319 | PROTOTYPE: $ |
2874 | CODE: |
3320 | CODE: |
2875 | _exit (code); |
3321 | _exit (code); |
|
|
3322 | |
|
|
3323 | SV * |
|
|
3324 | clone (Coro::State coro) |
|
|
3325 | CODE: |
|
|
3326 | { |
|
|
3327 | #if CORO_CLONE |
|
|
3328 | struct coro *ncoro = coro_clone (aTHX_ coro); |
|
|
3329 | MAGIC *mg; |
|
|
3330 | /* TODO: too much duplication */ |
|
|
3331 | ncoro->hv = newHV (); |
|
|
3332 | mg = sv_magicext ((SV *)ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)ncoro, 0); |
|
|
3333 | mg->mg_flags |= MGf_DUP; |
|
|
3334 | RETVAL = sv_bless (newRV_noinc ((SV *)ncoro->hv), SvSTASH (coro->hv)); |
|
|
3335 | #else |
|
|
3336 | croak ("Coro::State->clone has not been configured into this installation of Coro, realised"); |
|
|
3337 | #endif |
|
|
3338 | } |
|
|
3339 | OUTPUT: |
|
|
3340 | RETVAL |
2876 | |
3341 | |
2877 | int |
3342 | int |
2878 | cctx_stacksize (int new_stacksize = 0) |
3343 | cctx_stacksize (int new_stacksize = 0) |
2879 | PROTOTYPE: ;$ |
3344 | PROTOTYPE: ;$ |
2880 | CODE: |
3345 | CODE: |
… | |
… | |
2930 | eval = 1 |
3395 | eval = 1 |
2931 | CODE: |
3396 | CODE: |
2932 | { |
3397 | { |
2933 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
3398 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
2934 | { |
3399 | { |
2935 | struct coro temp; |
3400 | struct coro *current = SvSTATE_current; |
|
|
3401 | struct CoroSLF slf_save; |
2936 | |
3402 | |
2937 | if (!(coro->flags & CF_RUNNING)) |
3403 | if (current != coro) |
2938 | { |
3404 | { |
2939 | PUTBACK; |
3405 | PUTBACK; |
2940 | save_perl (aTHX_ &temp); |
3406 | save_perl (aTHX_ current); |
2941 | load_perl (aTHX_ coro); |
3407 | load_perl (aTHX_ coro); |
|
|
3408 | /* the coro is most likely in an active SLF call. |
|
|
3409 | * while not strictly required (the code we execute is |
|
|
3410 | * not allowed to call any SLF functions), it's cleaner |
|
|
3411 | * to reinitialise the slf_frame and restore it later. |
|
|
3412 | * This might one day allow us to actually do SLF calls |
|
|
3413 | * from code executed here. |
|
|
3414 | */ |
|
|
3415 | slf_save = slf_frame; |
|
|
3416 | slf_frame.prepare = 0; |
|
|
3417 | SPAGAIN; |
2942 | } |
3418 | } |
2943 | |
3419 | |
2944 | { |
|
|
2945 | dSP; |
|
|
2946 | ENTER; |
|
|
2947 | SAVETMPS; |
|
|
2948 | PUTBACK; |
|
|
2949 | PUSHSTACK; |
3420 | PUSHSTACK; |
|
|
3421 | |
2950 | PUSHMARK (SP); |
3422 | PUSHMARK (SP); |
|
|
3423 | PUTBACK; |
2951 | |
3424 | |
2952 | if (ix) |
3425 | if (ix) |
2953 | eval_sv (coderef, 0); |
3426 | eval_sv (coderef, 0); |
2954 | else |
3427 | else |
2955 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
3428 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
2956 | |
3429 | |
2957 | POPSTACK; |
3430 | POPSTACK; |
2958 | SPAGAIN; |
3431 | SPAGAIN; |
2959 | FREETMPS; |
|
|
2960 | LEAVE; |
|
|
2961 | PUTBACK; |
|
|
2962 | } |
|
|
2963 | |
3432 | |
2964 | if (!(coro->flags & CF_RUNNING)) |
3433 | if (current != coro) |
2965 | { |
3434 | { |
|
|
3435 | PUTBACK; |
|
|
3436 | slf_frame = slf_save; |
2966 | save_perl (aTHX_ coro); |
3437 | save_perl (aTHX_ coro); |
2967 | load_perl (aTHX_ &temp); |
3438 | load_perl (aTHX_ current); |
2968 | SPAGAIN; |
3439 | SPAGAIN; |
2969 | } |
3440 | } |
2970 | } |
3441 | } |
2971 | } |
3442 | } |
2972 | |
3443 | |
… | |
… | |
2976 | ALIAS: |
3447 | ALIAS: |
2977 | is_ready = CF_READY |
3448 | is_ready = CF_READY |
2978 | is_running = CF_RUNNING |
3449 | is_running = CF_RUNNING |
2979 | is_new = CF_NEW |
3450 | is_new = CF_NEW |
2980 | is_destroyed = CF_DESTROYED |
3451 | is_destroyed = CF_DESTROYED |
|
|
3452 | is_suspended = CF_SUSPENDED |
2981 | CODE: |
3453 | CODE: |
2982 | RETVAL = boolSV (coro->flags & ix); |
3454 | RETVAL = boolSV (coro->flags & ix); |
2983 | OUTPUT: |
3455 | OUTPUT: |
2984 | RETVAL |
3456 | RETVAL |
2985 | |
3457 | |
2986 | void |
3458 | void |
2987 | throw (Coro::State self, SV *throw = &PL_sv_undef) |
3459 | throw (Coro::State self, SV *exception = &PL_sv_undef) |
2988 | PROTOTYPE: $;$ |
3460 | PROTOTYPE: $;$ |
2989 | CODE: |
3461 | CODE: |
2990 | { |
3462 | { |
2991 | struct coro *current = SvSTATE_current; |
3463 | struct coro *current = SvSTATE_current; |
2992 | SV **throwp = self == current ? &CORO_THROW : &self->except; |
3464 | SV **exceptionp = self == current ? &CORO_THROW : &self->except; |
2993 | SvREFCNT_dec (*throwp); |
3465 | SvREFCNT_dec (*exceptionp); |
2994 | *throwp = SvOK (throw) ? newSVsv (throw) : 0; |
3466 | SvGETMAGIC (exception); |
|
|
3467 | *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; |
2995 | } |
3468 | } |
2996 | |
3469 | |
2997 | void |
3470 | void |
2998 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3471 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
2999 | PROTOTYPE: $;$ |
3472 | PROTOTYPE: $;$ |
… | |
… | |
3001 | |
3474 | |
3002 | SV * |
3475 | SV * |
3003 | has_cctx (Coro::State coro) |
3476 | has_cctx (Coro::State coro) |
3004 | PROTOTYPE: $ |
3477 | PROTOTYPE: $ |
3005 | CODE: |
3478 | CODE: |
3006 | RETVAL = boolSV (!!coro->cctx); |
3479 | /* maybe manage the running flag differently */ |
|
|
3480 | RETVAL = boolSV (!!coro->cctx || (coro->flags & CF_RUNNING)); |
3007 | OUTPUT: |
3481 | OUTPUT: |
3008 | RETVAL |
3482 | RETVAL |
3009 | |
3483 | |
3010 | int |
3484 | int |
3011 | is_traced (Coro::State coro) |
3485 | is_traced (Coro::State coro) |
… | |
… | |
3031 | |
3505 | |
3032 | void |
3506 | void |
3033 | force_cctx () |
3507 | force_cctx () |
3034 | PROTOTYPE: |
3508 | PROTOTYPE: |
3035 | CODE: |
3509 | CODE: |
3036 | SvSTATE_current->cctx->idle_sp = 0; |
3510 | cctx_current->idle_sp = 0; |
3037 | |
3511 | |
3038 | void |
3512 | void |
3039 | swap_defsv (Coro::State self) |
3513 | swap_defsv (Coro::State self) |
3040 | PROTOTYPE: $ |
3514 | PROTOTYPE: $ |
3041 | ALIAS: |
3515 | ALIAS: |
… | |
… | |
3049 | SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv; |
3523 | SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv; |
3050 | |
3524 | |
3051 | SV *tmp = *src; *src = *dst; *dst = tmp; |
3525 | SV *tmp = *src; *src = *dst; *dst = tmp; |
3052 | } |
3526 | } |
3053 | |
3527 | |
|
|
3528 | void |
|
|
3529 | cancel (Coro::State self) |
|
|
3530 | CODE: |
|
|
3531 | coro_state_destroy (aTHX_ self); |
|
|
3532 | |
|
|
3533 | SV * |
|
|
3534 | enable_times (int enabled = enable_times) |
|
|
3535 | CODE: |
|
|
3536 | { |
|
|
3537 | RETVAL = boolSV (enable_times); |
|
|
3538 | |
|
|
3539 | if (enabled != enable_times) |
|
|
3540 | { |
|
|
3541 | enable_times = enabled; |
|
|
3542 | |
|
|
3543 | coro_times_update (); |
|
|
3544 | (enabled ? coro_times_sub : coro_times_add)(SvSTATE (coro_current)); |
|
|
3545 | } |
|
|
3546 | } |
|
|
3547 | OUTPUT: |
|
|
3548 | RETVAL |
|
|
3549 | |
|
|
3550 | void |
|
|
3551 | times (Coro::State self) |
|
|
3552 | PPCODE: |
|
|
3553 | { |
|
|
3554 | struct coro *current = SvSTATE (coro_current); |
|
|
3555 | |
|
|
3556 | if (expect_false (current == self)) |
|
|
3557 | { |
|
|
3558 | coro_times_update (); |
|
|
3559 | coro_times_add (SvSTATE (coro_current)); |
|
|
3560 | } |
|
|
3561 | |
|
|
3562 | EXTEND (SP, 2); |
|
|
3563 | PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9))); |
|
|
3564 | PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9))); |
|
|
3565 | |
|
|
3566 | if (expect_false (current == self)) |
|
|
3567 | coro_times_sub (SvSTATE (coro_current)); |
|
|
3568 | } |
|
|
3569 | |
|
|
3570 | void |
|
|
3571 | swap_sv (Coro::State coro, SV *sv, SV *swapsv) |
|
|
3572 | CODE: |
|
|
3573 | { |
|
|
3574 | struct coro *current = SvSTATE_current; |
|
|
3575 | |
|
|
3576 | if (current == coro) |
|
|
3577 | SWAP_SVS (current); |
|
|
3578 | |
|
|
3579 | if (!coro->swap_sv) |
|
|
3580 | coro->swap_sv = newAV (); |
|
|
3581 | |
|
|
3582 | av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (sv ))); |
|
|
3583 | av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (swapsv))); |
|
|
3584 | |
|
|
3585 | if (current == coro) |
|
|
3586 | SWAP_SVS (current); |
|
|
3587 | } |
|
|
3588 | |
3054 | |
3589 | |
3055 | MODULE = Coro::State PACKAGE = Coro |
3590 | MODULE = Coro::State PACKAGE = Coro |
3056 | |
3591 | |
3057 | BOOT: |
3592 | BOOT: |
3058 | { |
3593 | { |
3059 | int i; |
|
|
3060 | |
|
|
3061 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3594 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3062 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3595 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3063 | cv_coro_run = get_cv ( "Coro::_terminate", GV_ADD); |
3596 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
3064 | cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD); |
|
|
3065 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
3597 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
3066 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
3598 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
3067 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
3599 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
3068 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
3600 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
|
|
3601 | sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); |
3069 | |
3602 | |
3070 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3603 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3071 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
3604 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
3072 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
3605 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
3073 | cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new); |
3606 | CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */ |
3074 | |
3607 | |
3075 | coro_stash = gv_stashpv ("Coro", TRUE); |
3608 | coro_stash = gv_stashpv ("Coro", TRUE); |
3076 | |
3609 | |
3077 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
3610 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
3078 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
3611 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
3079 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); |
3612 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL)); |
3080 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); |
3613 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (CORO_PRIO_LOW)); |
3081 | newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE)); |
3614 | newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (CORO_PRIO_IDLE)); |
3082 | newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN)); |
3615 | newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (CORO_PRIO_MIN)); |
3083 | |
|
|
3084 | for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) |
|
|
3085 | coro_ready[i] = newAV (); |
|
|
3086 | |
3616 | |
3087 | { |
3617 | { |
3088 | SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE); |
3618 | SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE); |
3089 | |
3619 | |
3090 | coroapi.schedule = api_schedule; |
3620 | coroapi.schedule = api_schedule; |
… | |
… | |
3100 | sv_setiv (sv, (IV)&coroapi); |
3630 | sv_setiv (sv, (IV)&coroapi); |
3101 | SvREADONLY_on (sv); |
3631 | SvREADONLY_on (sv); |
3102 | } |
3632 | } |
3103 | } |
3633 | } |
3104 | |
3634 | |
|
|
3635 | SV * |
|
|
3636 | async (...) |
|
|
3637 | PROTOTYPE: &@ |
|
|
3638 | CODE: |
|
|
3639 | RETVAL = coro_new (aTHX_ coro_stash, &ST (0), items, 1); |
|
|
3640 | api_ready (aTHX_ RETVAL); |
|
|
3641 | OUTPUT: |
|
|
3642 | RETVAL |
|
|
3643 | |
|
|
3644 | void |
|
|
3645 | _destroy (Coro::State coro) |
|
|
3646 | CODE: |
|
|
3647 | /* used by the manager thread */ |
|
|
3648 | coro_state_destroy (aTHX_ coro); |
|
|
3649 | coro_call_on_destroy (aTHX_ coro); |
|
|
3650 | |
3105 | void |
3651 | void |
3106 | terminate (...) |
3652 | terminate (...) |
3107 | CODE: |
3653 | CODE: |
3108 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
3654 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
3109 | |
3655 | |
3110 | void |
3656 | void |
|
|
3657 | cancel (...) |
|
|
3658 | CODE: |
|
|
3659 | CORO_EXECUTE_SLF_XS (slf_init_cancel); |
|
|
3660 | |
|
|
3661 | int |
|
|
3662 | safe_cancel (Coro::State self, ...) |
|
|
3663 | C_ARGS: aTHX_ self, &ST (1), items - 1 |
|
|
3664 | |
|
|
3665 | void |
3111 | schedule (...) |
3666 | schedule (...) |
3112 | CODE: |
3667 | CODE: |
3113 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
3668 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
3114 | |
3669 | |
3115 | void |
3670 | void |
… | |
… | |
3129 | |
3684 | |
3130 | void |
3685 | void |
3131 | cede_notself (...) |
3686 | cede_notself (...) |
3132 | CODE: |
3687 | CODE: |
3133 | CORO_EXECUTE_SLF_XS (slf_init_cede_notself); |
3688 | CORO_EXECUTE_SLF_XS (slf_init_cede_notself); |
3134 | |
|
|
3135 | void |
|
|
3136 | _cancel (Coro::State self) |
|
|
3137 | CODE: |
|
|
3138 | coro_state_destroy (aTHX_ self); |
|
|
3139 | coro_call_on_destroy (aTHX_ self); |
|
|
3140 | |
3689 | |
3141 | void |
3690 | void |
3142 | _set_current (SV *current) |
3691 | _set_current (SV *current) |
3143 | PROTOTYPE: $ |
3692 | PROTOTYPE: $ |
3144 | CODE: |
3693 | CODE: |
… | |
… | |
3148 | void |
3697 | void |
3149 | _set_readyhook (SV *hook) |
3698 | _set_readyhook (SV *hook) |
3150 | PROTOTYPE: $ |
3699 | PROTOTYPE: $ |
3151 | CODE: |
3700 | CODE: |
3152 | SvREFCNT_dec (coro_readyhook); |
3701 | SvREFCNT_dec (coro_readyhook); |
|
|
3702 | SvGETMAGIC (hook); |
|
|
3703 | if (SvOK (hook)) |
|
|
3704 | { |
3153 | coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0; |
3705 | coro_readyhook = newSVsv (hook); |
|
|
3706 | CORO_READYHOOK = invoke_sv_ready_hook_helper; |
|
|
3707 | } |
|
|
3708 | else |
|
|
3709 | { |
|
|
3710 | coro_readyhook = 0; |
|
|
3711 | CORO_READYHOOK = 0; |
|
|
3712 | } |
3154 | |
3713 | |
3155 | int |
3714 | int |
3156 | prio (Coro::State coro, int newprio = 0) |
3715 | prio (Coro::State coro, int newprio = 0) |
3157 | PROTOTYPE: $;$ |
3716 | PROTOTYPE: $;$ |
3158 | ALIAS: |
3717 | ALIAS: |
… | |
… | |
3164 | if (items > 1) |
3723 | if (items > 1) |
3165 | { |
3724 | { |
3166 | if (ix) |
3725 | if (ix) |
3167 | newprio = coro->prio - newprio; |
3726 | newprio = coro->prio - newprio; |
3168 | |
3727 | |
3169 | if (newprio < PRIO_MIN) newprio = PRIO_MIN; |
3728 | if (newprio < CORO_PRIO_MIN) newprio = CORO_PRIO_MIN; |
3170 | if (newprio > PRIO_MAX) newprio = PRIO_MAX; |
3729 | if (newprio > CORO_PRIO_MAX) newprio = CORO_PRIO_MAX; |
3171 | |
3730 | |
3172 | coro->prio = newprio; |
3731 | coro->prio = newprio; |
3173 | } |
3732 | } |
3174 | } |
3733 | } |
3175 | OUTPUT: |
3734 | OUTPUT: |
… | |
… | |
3190 | RETVAL = coro_nready; |
3749 | RETVAL = coro_nready; |
3191 | OUTPUT: |
3750 | OUTPUT: |
3192 | RETVAL |
3751 | RETVAL |
3193 | |
3752 | |
3194 | void |
3753 | void |
|
|
3754 | suspend (Coro::State self) |
|
|
3755 | PROTOTYPE: $ |
|
|
3756 | CODE: |
|
|
3757 | self->flags |= CF_SUSPENDED; |
|
|
3758 | |
|
|
3759 | void |
|
|
3760 | resume (Coro::State self) |
|
|
3761 | PROTOTYPE: $ |
|
|
3762 | CODE: |
|
|
3763 | self->flags &= ~CF_SUSPENDED; |
|
|
3764 | |
|
|
3765 | void |
3195 | _pool_handler (...) |
3766 | _pool_handler (...) |
3196 | CODE: |
3767 | CODE: |
3197 | CORO_EXECUTE_SLF_XS (slf_init_pool_handler); |
3768 | CORO_EXECUTE_SLF_XS (slf_init_pool_handler); |
3198 | |
3769 | |
3199 | void |
3770 | void |
… | |
… | |
3210 | for (i = 1; i < items; ++i) |
3781 | for (i = 1; i < items; ++i) |
3211 | av_push (av, SvREFCNT_inc_NN (ST (i))); |
3782 | av_push (av, SvREFCNT_inc_NN (ST (i))); |
3212 | |
3783 | |
3213 | if ((SV *)hv == &PL_sv_undef) |
3784 | if ((SV *)hv == &PL_sv_undef) |
3214 | { |
3785 | { |
3215 | PUSHMARK (SP); |
3786 | SV *sv = coro_new (aTHX_ coro_stash, (SV **)&cv_pool_handler, 1, 1); |
3216 | EXTEND (SP, 2); |
|
|
3217 | PUSHs (sv_Coro); |
|
|
3218 | PUSHs ((SV *)cv_pool_handler); |
|
|
3219 | PUTBACK; |
|
|
3220 | call_sv ((SV *)cv_coro_state_new, G_SCALAR); |
|
|
3221 | SPAGAIN; |
|
|
3222 | |
|
|
3223 | hv = (HV *)SvREFCNT_inc_NN (SvRV (POPs)); |
3787 | hv = (HV *)SvREFCNT_inc_NN (SvRV (sv)); |
|
|
3788 | SvREFCNT_dec (sv); |
3224 | } |
3789 | } |
3225 | |
3790 | |
3226 | { |
3791 | { |
3227 | struct coro *coro = SvSTATE_hv (hv); |
3792 | struct coro *coro = SvSTATE_hv (hv); |
3228 | |
3793 | |
… | |
… | |
3252 | rouse_wait (...) |
3817 | rouse_wait (...) |
3253 | PROTOTYPE: ;$ |
3818 | PROTOTYPE: ;$ |
3254 | PPCODE: |
3819 | PPCODE: |
3255 | CORO_EXECUTE_SLF_XS (slf_init_rouse_wait); |
3820 | CORO_EXECUTE_SLF_XS (slf_init_rouse_wait); |
3256 | |
3821 | |
|
|
3822 | void |
|
|
3823 | on_enter (SV *block) |
|
|
3824 | ALIAS: |
|
|
3825 | on_leave = 1 |
|
|
3826 | PROTOTYPE: & |
|
|
3827 | CODE: |
|
|
3828 | { |
|
|
3829 | struct coro *coro = SvSTATE_current; |
|
|
3830 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
|
|
3831 | |
|
|
3832 | block = s_get_cv_croak (block); |
|
|
3833 | |
|
|
3834 | if (!*avp) |
|
|
3835 | *avp = newAV (); |
|
|
3836 | |
|
|
3837 | av_push (*avp, SvREFCNT_inc (block)); |
|
|
3838 | |
|
|
3839 | if (!ix) |
|
|
3840 | on_enterleave_call (aTHX_ block); |
|
|
3841 | |
|
|
3842 | LEAVE; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */ |
|
|
3843 | SAVEDESTRUCTOR_X (ix ? coro_pop_on_leave : coro_pop_on_enter, (void *)coro); |
|
|
3844 | ENTER; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */ |
|
|
3845 | } |
|
|
3846 | |
3257 | |
3847 | |
3258 | MODULE = Coro::State PACKAGE = PerlIO::cede |
3848 | MODULE = Coro::State PACKAGE = PerlIO::cede |
3259 | |
3849 | |
3260 | BOOT: |
3850 | BOOT: |
3261 | PerlIO_define_layer (aTHX_ &PerlIO_cede); |
3851 | PerlIO_define_layer (aTHX_ &PerlIO_cede); |
… | |
… | |
3264 | MODULE = Coro::State PACKAGE = Coro::Semaphore |
3854 | MODULE = Coro::State PACKAGE = Coro::Semaphore |
3265 | |
3855 | |
3266 | SV * |
3856 | SV * |
3267 | new (SV *klass, SV *count = 0) |
3857 | new (SV *klass, SV *count = 0) |
3268 | CODE: |
3858 | CODE: |
|
|
3859 | { |
|
|
3860 | int semcnt = 1; |
|
|
3861 | |
|
|
3862 | if (count) |
|
|
3863 | { |
|
|
3864 | SvGETMAGIC (count); |
|
|
3865 | |
|
|
3866 | if (SvOK (count)) |
|
|
3867 | semcnt = SvIV (count); |
|
|
3868 | } |
|
|
3869 | |
3269 | RETVAL = sv_bless ( |
3870 | RETVAL = sv_bless ( |
3270 | coro_waitarray_new (aTHX_ count && SvOK (count) ? SvIV (count) : 1), |
3871 | coro_waitarray_new (aTHX_ semcnt), |
3271 | GvSTASH (CvGV (cv)) |
3872 | GvSTASH (CvGV (cv)) |
3272 | ); |
3873 | ); |
|
|
3874 | } |
3273 | OUTPUT: |
3875 | OUTPUT: |
3274 | RETVAL |
3876 | RETVAL |
3275 | |
3877 | |
3276 | # helper for Coro::Channel |
3878 | # helper for Coro::Channel and others |
3277 | SV * |
3879 | SV * |
3278 | _alloc (int count) |
3880 | _alloc (int count) |
3279 | CODE: |
3881 | CODE: |
3280 | RETVAL = coro_waitarray_new (aTHX_ count); |
3882 | RETVAL = coro_waitarray_new (aTHX_ count); |
3281 | OUTPUT: |
3883 | OUTPUT: |
… | |
… | |
3339 | for (i = 1; i <= wcount; ++i) |
3941 | for (i = 1; i <= wcount; ++i) |
3340 | PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i]))); |
3942 | PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i]))); |
3341 | } |
3943 | } |
3342 | } |
3944 | } |
3343 | |
3945 | |
|
|
3946 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
|
|
3947 | |
|
|
3948 | void |
|
|
3949 | _may_delete (SV *sem, int count, int extra_refs) |
|
|
3950 | PPCODE: |
|
|
3951 | { |
|
|
3952 | AV *av = (AV *)SvRV (sem); |
|
|
3953 | |
|
|
3954 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
|
|
3955 | && AvFILLp (av) == 0 /* no waiters, just count */ |
|
|
3956 | && SvIV (AvARRAY (av)[0]) == count) |
|
|
3957 | XSRETURN_YES; |
|
|
3958 | |
|
|
3959 | XSRETURN_NO; |
|
|
3960 | } |
|
|
3961 | |
3344 | MODULE = Coro::State PACKAGE = Coro::Signal |
3962 | MODULE = Coro::State PACKAGE = Coro::Signal |
3345 | |
3963 | |
3346 | SV * |
3964 | SV * |
3347 | new (SV *klass) |
3965 | new (SV *klass) |
3348 | CODE: |
3966 | CODE: |
… | |
… | |
3419 | |
4037 | |
3420 | void |
4038 | void |
3421 | _register (char *target, char *proto, SV *req) |
4039 | _register (char *target, char *proto, SV *req) |
3422 | CODE: |
4040 | CODE: |
3423 | { |
4041 | { |
3424 | CV *req_cv = coro_sv_2cv (aTHX_ req); |
4042 | SV *req_cv = s_get_cv_croak (req); |
3425 | /* newXSproto doesn't return the CV on 5.8 */ |
4043 | /* newXSproto doesn't return the CV on 5.8 */ |
3426 | CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__); |
4044 | CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__); |
3427 | sv_setpv ((SV *)slf_cv, proto); |
4045 | sv_setpv ((SV *)slf_cv, proto); |
3428 | sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0); |
4046 | sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0); |
3429 | } |
4047 | } |
3430 | |
4048 | |
|
|
4049 | MODULE = Coro::State PACKAGE = Coro::Select |
|
|
4050 | |
|
|
4051 | void |
|
|
4052 | patch_pp_sselect () |
|
|
4053 | CODE: |
|
|
4054 | if (!coro_old_pp_sselect) |
|
|
4055 | { |
|
|
4056 | coro_select_select = (SV *)get_cv ("Coro::Select::select", 0); |
|
|
4057 | coro_old_pp_sselect = PL_ppaddr [OP_SSELECT]; |
|
|
4058 | PL_ppaddr [OP_SSELECT] = coro_pp_sselect; |
|
|
4059 | } |
|
|
4060 | |
|
|
4061 | void |
|
|
4062 | unpatch_pp_sselect () |
|
|
4063 | CODE: |
|
|
4064 | if (coro_old_pp_sselect) |
|
|
4065 | { |
|
|
4066 | PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; |
|
|
4067 | coro_old_pp_sselect = 0; |
|
|
4068 | } |
|
|
4069 | |