|
|
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" |
|
|
17 | #include "ecb.h" |
12 | |
18 | |
|
|
19 | #include <stddef.h> |
13 | #include <stdio.h> |
20 | #include <stdio.h> |
14 | #include <errno.h> |
21 | #include <errno.h> |
15 | #include <assert.h> |
22 | #include <assert.h> |
16 | |
23 | |
17 | #ifdef WIN32 |
24 | #ifndef SVs_PADSTALE |
|
|
25 | # define SVs_PADSTALE 0 |
|
|
26 | #endif |
|
|
27 | |
|
|
28 | #if defined(_WIN32) |
|
|
29 | # undef HAS_GETTIMEOFDAY |
18 | # undef setjmp |
30 | # undef setjmp |
19 | # undef longjmp |
31 | # undef longjmp |
20 | # undef _exit |
32 | # undef _exit |
21 | # define setjmp _setjmp /* deep magic */ |
33 | # define setjmp _setjmp /* deep magic */ |
22 | #else |
34 | #else |
… | |
… | |
51 | #endif |
63 | #endif |
52 | |
64 | |
53 | /* the maximum number of idle cctx that will be pooled */ |
65 | /* the maximum number of idle cctx that will be pooled */ |
54 | static int cctx_max_idle = 4; |
66 | static int cctx_max_idle = 4; |
55 | |
67 | |
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 |
68 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
113 | # undef CORO_STACKGUARD |
69 | # undef CORO_STACKGUARD |
114 | #endif |
70 | #endif |
115 | |
71 | |
116 | #ifndef CORO_STACKGUARD |
72 | #ifndef CORO_STACKGUARD |
… | |
… | |
130 | #else |
86 | #else |
131 | # define dSTACKLEVEL volatile void *stacklevel |
87 | # define dSTACKLEVEL volatile void *stacklevel |
132 | # define STACKLEVEL ((void *)&stacklevel) |
88 | # define STACKLEVEL ((void *)&stacklevel) |
133 | #endif |
89 | #endif |
134 | |
90 | |
135 | #define IN_DESTRUCT (PL_main_cv == Nullcv) |
91 | #define IN_DESTRUCT PL_dirty |
136 | |
|
|
137 | #if __GNUC__ >= 3 |
|
|
138 | # define attribute(x) __attribute__(x) |
|
|
139 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
|
|
140 | # define INLINE static inline |
|
|
141 | #else |
|
|
142 | # define attribute(x) |
|
|
143 | # define expect(expr,value) (expr) |
|
|
144 | # define INLINE static |
|
|
145 | #endif |
|
|
146 | |
|
|
147 | #define expect_false(expr) expect ((expr) != 0, 0) |
|
|
148 | #define expect_true(expr) expect ((expr) != 0, 1) |
|
|
149 | |
|
|
150 | #define NOINLINE attribute ((noinline)) |
|
|
151 | |
92 | |
152 | #include "CoroAPI.h" |
93 | #include "CoroAPI.h" |
153 | #define GCoroAPI (&coroapi) /* very sneaky */ |
94 | #define GCoroAPI (&coroapi) /* very sneaky */ |
154 | |
95 | |
155 | #ifdef USE_ITHREADS |
96 | #ifdef USE_ITHREADS |
156 | # if CORO_PTHREAD |
97 | # if CORO_PTHREAD |
157 | static void *coro_thx; |
98 | static void *coro_thx; |
158 | # endif |
99 | # endif |
159 | #endif |
100 | #endif |
160 | |
101 | |
|
|
102 | /* used in state.h */ |
|
|
103 | #define VAR(name,type) VARx(name, PL_ ## name, type) |
|
|
104 | |
|
|
105 | #ifdef __linux |
|
|
106 | # include <time.h> /* for timespec */ |
|
|
107 | # include <syscall.h> /* for SYS_* */ |
|
|
108 | # ifdef SYS_clock_gettime |
|
|
109 | # define coro_clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
|
|
110 | # define CORO_CLOCK_MONOTONIC 1 |
|
|
111 | # define CORO_CLOCK_THREAD_CPUTIME_ID 3 |
|
|
112 | # endif |
|
|
113 | #endif |
|
|
114 | |
161 | static double (*nvtime)(); /* so why doesn't it take void? */ |
115 | static double (*nvtime)(); /* so why doesn't it take void? */ |
|
|
116 | static void (*u2time)(pTHX_ UV ret[2]); |
162 | |
117 | |
163 | /* we hijack an hopefully unused CV flag for our purposes */ |
118 | /* we hijack an hopefully unused CV flag for our purposes */ |
164 | #define CVf_SLF 0x4000 |
119 | #define CVf_SLF 0x4000 |
165 | static OP *pp_slf (pTHX); |
120 | static OP *pp_slf (pTHX); |
|
|
121 | static void slf_destroy (pTHX_ struct coro *coro); |
166 | |
122 | |
167 | static U32 cctx_gen; |
123 | static U32 cctx_gen; |
168 | static size_t cctx_stacksize = CORO_STACKSIZE; |
124 | static size_t cctx_stacksize = CORO_STACKSIZE; |
169 | static struct CoroAPI coroapi; |
125 | static struct CoroAPI coroapi; |
170 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
126 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
… | |
… | |
172 | static HV *coro_state_stash, *coro_stash; |
128 | static HV *coro_state_stash, *coro_stash; |
173 | static volatile SV *coro_mortal; /* will be freed/thrown after next transfer */ |
129 | static volatile SV *coro_mortal; /* will be freed/thrown after next transfer */ |
174 | |
130 | |
175 | static AV *av_destroy; /* destruction queue */ |
131 | static AV *av_destroy; /* destruction queue */ |
176 | static SV *sv_manager; /* the manager coro */ |
132 | static SV *sv_manager; /* the manager coro */ |
|
|
133 | static SV *sv_idle; /* $Coro::idle */ |
177 | |
134 | |
178 | static GV *irsgv; /* $/ */ |
135 | static GV *irsgv; /* $/ */ |
179 | static GV *stdoutgv; /* *STDOUT */ |
136 | static GV *stdoutgv; /* *STDOUT */ |
180 | static SV *rv_diehook; |
137 | static SV *rv_diehook; |
181 | static SV *rv_warnhook; |
138 | static SV *rv_warnhook; |
… | |
… | |
186 | static SV *sv_pool_size; |
143 | static SV *sv_pool_size; |
187 | static SV *sv_async_pool_idle; /* description string */ |
144 | static SV *sv_async_pool_idle; /* description string */ |
188 | static AV *av_async_pool; /* idle pool */ |
145 | static AV *av_async_pool; /* idle pool */ |
189 | static SV *sv_Coro; /* class string */ |
146 | static SV *sv_Coro; /* class string */ |
190 | static CV *cv_pool_handler; |
147 | static CV *cv_pool_handler; |
191 | static CV *cv_coro_state_new; |
|
|
192 | |
148 | |
193 | /* Coro::AnyEvent */ |
149 | /* Coro::AnyEvent */ |
194 | static SV *sv_activity; |
150 | static SV *sv_activity; |
195 | |
151 | |
|
|
152 | /* enable processtime/realtime profiling */ |
|
|
153 | static char enable_times; |
|
|
154 | typedef U32 coro_ts[2]; |
|
|
155 | static coro_ts time_real, time_cpu; |
|
|
156 | static char times_valid; |
|
|
157 | |
196 | static struct coro_cctx *cctx_first; |
158 | static struct coro_cctx *cctx_first; |
197 | static int cctx_count, cctx_idle; |
159 | static int cctx_count, cctx_idle; |
198 | |
160 | |
199 | enum { |
161 | enum |
|
|
162 | { |
200 | CC_MAPPED = 0x01, |
163 | CC_MAPPED = 0x01, |
201 | CC_NOREUSE = 0x02, /* throw this away after tracing */ |
164 | CC_NOREUSE = 0x02, /* throw this away after tracing */ |
202 | CC_TRACE = 0x04, |
165 | CC_TRACE = 0x04, |
203 | CC_TRACE_SUB = 0x08, /* trace sub calls */ |
166 | CC_TRACE_SUB = 0x08, /* trace sub calls */ |
204 | CC_TRACE_LINE = 0x10, /* trace each statement */ |
167 | CC_TRACE_LINE = 0x10, /* trace each statement */ |
… | |
… | |
225 | int valgrind_id; |
188 | int valgrind_id; |
226 | #endif |
189 | #endif |
227 | unsigned char flags; |
190 | unsigned char flags; |
228 | } coro_cctx; |
191 | } coro_cctx; |
229 | |
192 | |
|
|
193 | static coro_cctx *cctx_current; /* the currently running cctx */ |
|
|
194 | |
|
|
195 | /*****************************************************************************/ |
|
|
196 | |
|
|
197 | static MGVTBL coro_state_vtbl; |
|
|
198 | |
230 | enum { |
199 | enum |
|
|
200 | { |
231 | CF_RUNNING = 0x0001, /* coroutine is running */ |
201 | CF_RUNNING = 0x0001, /* coroutine is running */ |
232 | CF_READY = 0x0002, /* coroutine is ready */ |
202 | CF_READY = 0x0002, /* coroutine is ready */ |
233 | CF_NEW = 0x0004, /* has never been switched to */ |
203 | CF_NEW = 0x0004, /* has never been switched to */ |
234 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
204 | CF_ZOMBIE = 0x0008, /* coroutine data has been freed */ |
|
|
205 | CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */ |
|
|
206 | CF_NOCANCEL = 0x0020, /* cannot cancel, set slf_frame.data to 1 (hackish) */ |
235 | }; |
207 | }; |
236 | |
208 | |
237 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
209 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
238 | typedef struct |
210 | typedef struct |
239 | { |
211 | { |
240 | SV *defsv; |
|
|
241 | AV *defav; |
|
|
242 | SV *errsv; |
|
|
243 | SV *irsgv; |
|
|
244 | #define VAR(name,type) type name; |
212 | #define VARx(name,expr,type) type name; |
245 | # include "state.h" |
213 | # include "state.h" |
246 | #undef VAR |
214 | #undef VARx |
247 | } perl_slots; |
215 | } perl_slots; |
248 | |
216 | |
|
|
217 | // how many context stack entries do we need for perl_slots |
249 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
218 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
250 | |
219 | |
251 | /* this is a structure representing a perl-level coroutine */ |
220 | /* this is a structure representing a perl-level coroutine */ |
252 | struct coro { |
221 | struct coro |
|
|
222 | { |
253 | /* the C coroutine allocated to this perl coroutine, if any */ |
223 | /* the C coroutine allocated to this perl coroutine, if any */ |
254 | coro_cctx *cctx; |
224 | coro_cctx *cctx; |
|
|
225 | |
|
|
226 | /* ready queue */ |
|
|
227 | struct coro *next_ready; |
255 | |
228 | |
256 | /* state data */ |
229 | /* state data */ |
257 | struct CoroSLF slf_frame; /* saved slf frame */ |
230 | struct CoroSLF slf_frame; /* saved slf frame */ |
258 | AV *mainstack; |
231 | AV *mainstack; |
259 | perl_slots *slot; /* basically the saved sp */ |
232 | perl_slots *slot; /* basically the saved sp */ |
260 | |
233 | |
261 | CV *startcv; /* the CV to execute */ |
234 | CV *startcv; /* the CV to execute */ |
262 | AV *args; /* data associated with this coroutine (initial args) */ |
235 | AV *args; /* data associated with this coroutine (initial args) */ |
263 | int refcnt; /* coroutines are refcounted, yes */ |
|
|
264 | int flags; /* CF_ flags */ |
236 | int flags; /* CF_ flags */ |
265 | HV *hv; /* the perl hash associated with this coro, if any */ |
237 | HV *hv; /* the perl hash associated with this coro, if any */ |
266 | void (*on_destroy)(pTHX_ struct coro *coro); |
|
|
267 | |
238 | |
268 | /* statistics */ |
239 | /* statistics */ |
269 | int usecount; /* number of transfers to this coro */ |
240 | int usecount; /* number of transfers to this coro */ |
270 | |
241 | |
271 | /* coro process data */ |
242 | /* coro process data */ |
272 | int prio; |
243 | int prio; |
273 | SV *except; /* exception to be thrown */ |
244 | SV *except; /* exception to be thrown */ |
274 | SV *rouse_cb; |
245 | SV *rouse_cb; /* last rouse callback */ |
|
|
246 | AV *on_destroy; /* callbacks or coros to notify on destroy */ |
|
|
247 | AV *status; /* the exit status list */ |
275 | |
248 | |
276 | /* async_pool */ |
249 | /* async_pool */ |
277 | SV *saved_deffh; |
250 | SV *saved_deffh; |
278 | SV *invoke_cb; |
251 | SV *invoke_cb; |
279 | AV *invoke_av; |
252 | AV *invoke_av; |
280 | |
253 | |
|
|
254 | /* on_enter/on_leave */ |
|
|
255 | AV *on_enter; |
|
|
256 | AV *on_leave; |
|
|
257 | |
|
|
258 | /* swap_sv */ |
|
|
259 | AV *swap_sv; |
|
|
260 | |
|
|
261 | /* times */ |
|
|
262 | coro_ts t_cpu, t_real; |
|
|
263 | |
281 | /* linked list */ |
264 | /* linked list */ |
282 | struct coro *next, *prev; |
265 | struct coro *next, *prev; |
283 | }; |
266 | }; |
284 | |
267 | |
285 | typedef struct coro *Coro__State; |
268 | typedef struct coro *Coro__State; |
286 | typedef struct coro *Coro__State_or_hashref; |
269 | typedef struct coro *Coro__State_or_hashref; |
287 | |
270 | |
288 | /* the following variables are effectively part of the perl context */ |
271 | /* the following variables are effectively part of the perl context */ |
289 | /* and get copied between struct coro and these variables */ |
272 | /* and get copied between struct coro and these variables */ |
290 | /* the mainr easonw e don't support windows process emulation */ |
273 | /* the main reason we don't support windows process emulation */ |
291 | static struct CoroSLF slf_frame; /* the current slf frame */ |
274 | static struct CoroSLF slf_frame; /* the current slf frame */ |
292 | |
275 | |
293 | /** Coro ********************************************************************/ |
276 | /** Coro ********************************************************************/ |
294 | |
277 | |
295 | #define PRIO_MAX 3 |
278 | #define CORO_PRIO_MAX 3 |
296 | #define PRIO_HIGH 1 |
279 | #define CORO_PRIO_HIGH 1 |
297 | #define PRIO_NORMAL 0 |
280 | #define CORO_PRIO_NORMAL 0 |
298 | #define PRIO_LOW -1 |
281 | #define CORO_PRIO_LOW -1 |
299 | #define PRIO_IDLE -3 |
282 | #define CORO_PRIO_IDLE -3 |
300 | #define PRIO_MIN -4 |
283 | #define CORO_PRIO_MIN -4 |
301 | |
284 | |
302 | /* for Coro.pm */ |
285 | /* for Coro.pm */ |
303 | static SV *coro_current; |
286 | static SV *coro_current; |
304 | static SV *coro_readyhook; |
287 | static SV *coro_readyhook; |
305 | static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1]; |
288 | static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ |
306 | static CV *cv_coro_run, *cv_coro_terminate; |
289 | static CV *cv_coro_run; |
307 | static struct coro *coro_first; |
290 | static struct coro *coro_first; |
308 | #define coro_nready coroapi.nready |
291 | #define coro_nready coroapi.nready |
309 | |
292 | |
|
|
293 | /** JIT *********************************************************************/ |
|
|
294 | |
|
|
295 | #if CORO_JIT |
|
|
296 | #ifndef CORO_JIT_TYPE |
|
|
297 | #if __x86_64 && (__linux || __FreeBSD__ || __OpenBSD__ || __NetBSD__ || __solaris) |
|
|
298 | #define CORO_JIT_TYPE "amd64-unix" |
|
|
299 | typedef void (*load_save_perl_slots_type)(perl_slots *); |
|
|
300 | #else |
|
|
301 | #undef CORO_JIT |
|
|
302 | #endif |
|
|
303 | #endif |
|
|
304 | #endif |
|
|
305 | |
|
|
306 | #if CORO_JIT |
|
|
307 | static load_save_perl_slots_type load_perl_slots, save_perl_slots; |
|
|
308 | #endif |
|
|
309 | |
|
|
310 | /** Coro::Select ************************************************************/ |
|
|
311 | |
|
|
312 | static OP *(*coro_old_pp_sselect) (pTHX); |
|
|
313 | static SV *coro_select_select; |
|
|
314 | |
|
|
315 | /* horrible hack, but if it works... */ |
|
|
316 | static OP * |
|
|
317 | coro_pp_sselect (pTHX) |
|
|
318 | { |
|
|
319 | dSP; |
|
|
320 | PUSHMARK (SP - 4); /* fake argument list */ |
|
|
321 | XPUSHs (coro_select_select); |
|
|
322 | PUTBACK; |
|
|
323 | |
|
|
324 | /* entersub is an UNOP, select a LISTOP... keep your fingers crossed */ |
|
|
325 | PL_op->op_flags |= OPf_STACKED; |
|
|
326 | PL_op->op_private = 0; |
|
|
327 | return PL_ppaddr [OP_ENTERSUB](aTHX); |
|
|
328 | } |
|
|
329 | |
|
|
330 | /** time stuff **************************************************************/ |
|
|
331 | |
|
|
332 | #ifdef HAS_GETTIMEOFDAY |
|
|
333 | |
|
|
334 | ECB_INLINE void |
|
|
335 | coro_u2time (pTHX_ UV ret[2]) |
|
|
336 | { |
|
|
337 | struct timeval tv; |
|
|
338 | gettimeofday (&tv, 0); |
|
|
339 | |
|
|
340 | ret [0] = tv.tv_sec; |
|
|
341 | ret [1] = tv.tv_usec; |
|
|
342 | } |
|
|
343 | |
|
|
344 | ECB_INLINE double |
|
|
345 | coro_nvtime () |
|
|
346 | { |
|
|
347 | struct timeval tv; |
|
|
348 | gettimeofday (&tv, 0); |
|
|
349 | |
|
|
350 | return tv.tv_sec + tv.tv_usec * 1e-6; |
|
|
351 | } |
|
|
352 | |
|
|
353 | ECB_INLINE void |
|
|
354 | time_init (pTHX) |
|
|
355 | { |
|
|
356 | nvtime = coro_nvtime; |
|
|
357 | u2time = coro_u2time; |
|
|
358 | } |
|
|
359 | |
|
|
360 | #else |
|
|
361 | |
|
|
362 | ECB_INLINE void |
|
|
363 | time_init (pTHX) |
|
|
364 | { |
|
|
365 | SV **svp; |
|
|
366 | |
|
|
367 | require_pv ("Time/HiRes.pm"); |
|
|
368 | |
|
|
369 | svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
|
|
370 | |
|
|
371 | if (!svp) croak ("Time::HiRes is required, but missing. Caught"); |
|
|
372 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer. Caught"); |
|
|
373 | |
|
|
374 | nvtime = INT2PTR (double (*)(), SvIV (*svp)); |
|
|
375 | |
|
|
376 | svp = hv_fetch (PL_modglobal, "Time::U2time", 12, 0); |
|
|
377 | u2time = INT2PTR (void (*)(pTHX_ UV ret[2]), SvIV (*svp)); |
|
|
378 | } |
|
|
379 | |
|
|
380 | #endif |
|
|
381 | |
310 | /** lowlevel stuff **********************************************************/ |
382 | /** lowlevel stuff **********************************************************/ |
311 | |
383 | |
312 | static SV * |
384 | static SV * ecb_noinline |
313 | coro_get_sv (pTHX_ const char *name, int create) |
385 | coro_get_sv (pTHX_ const char *name, int create) |
314 | { |
386 | { |
315 | #if PERL_VERSION_ATLEAST (5,10,0) |
387 | #if PERL_VERSION_ATLEAST (5,10,0) |
316 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
388 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
317 | get_sv (name, create); |
389 | get_sv (name, create); |
318 | #endif |
390 | #endif |
319 | return get_sv (name, create); |
391 | return get_sv (name, create); |
320 | } |
392 | } |
321 | |
393 | |
322 | static AV * |
394 | static AV * ecb_noinline |
323 | coro_get_av (pTHX_ const char *name, int create) |
395 | coro_get_av (pTHX_ const char *name, int create) |
324 | { |
396 | { |
325 | #if PERL_VERSION_ATLEAST (5,10,0) |
397 | #if PERL_VERSION_ATLEAST (5,10,0) |
326 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
398 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
327 | get_av (name, create); |
399 | get_av (name, create); |
328 | #endif |
400 | #endif |
329 | return get_av (name, create); |
401 | return get_av (name, create); |
330 | } |
402 | } |
331 | |
403 | |
332 | static HV * |
404 | static HV * ecb_noinline |
333 | coro_get_hv (pTHX_ const char *name, int create) |
405 | coro_get_hv (pTHX_ const char *name, int create) |
334 | { |
406 | { |
335 | #if PERL_VERSION_ATLEAST (5,10,0) |
407 | #if PERL_VERSION_ATLEAST (5,10,0) |
336 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
408 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
337 | get_hv (name, create); |
409 | get_hv (name, create); |
338 | #endif |
410 | #endif |
339 | return get_hv (name, create); |
411 | return get_hv (name, create); |
340 | } |
412 | } |
341 | |
413 | |
342 | /* may croak */ |
414 | ECB_INLINE void |
|
|
415 | coro_times_update () |
|
|
416 | { |
|
|
417 | #ifdef coro_clock_gettime |
|
|
418 | struct timespec ts; |
|
|
419 | |
|
|
420 | ts.tv_sec = ts.tv_nsec = 0; |
|
|
421 | coro_clock_gettime (CORO_CLOCK_THREAD_CPUTIME_ID, &ts); |
|
|
422 | time_cpu [0] = ts.tv_sec; time_cpu [1] = ts.tv_nsec; |
|
|
423 | |
|
|
424 | ts.tv_sec = ts.tv_nsec = 0; |
|
|
425 | coro_clock_gettime (CORO_CLOCK_MONOTONIC, &ts); |
|
|
426 | time_real [0] = ts.tv_sec; time_real [1] = ts.tv_nsec; |
|
|
427 | #else |
|
|
428 | dTHX; |
|
|
429 | UV tv[2]; |
|
|
430 | |
|
|
431 | u2time (aTHX_ tv); |
|
|
432 | time_real [0] = tv [0]; |
|
|
433 | time_real [1] = tv [1] * 1000; |
|
|
434 | #endif |
|
|
435 | } |
|
|
436 | |
|
|
437 | ECB_INLINE void |
|
|
438 | coro_times_add (struct coro *c) |
|
|
439 | { |
|
|
440 | c->t_real [1] += time_real [1]; |
|
|
441 | if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } |
|
|
442 | c->t_real [0] += time_real [0]; |
|
|
443 | |
|
|
444 | c->t_cpu [1] += time_cpu [1]; |
|
|
445 | if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } |
|
|
446 | c->t_cpu [0] += time_cpu [0]; |
|
|
447 | } |
|
|
448 | |
|
|
449 | ECB_INLINE void |
|
|
450 | coro_times_sub (struct coro *c) |
|
|
451 | { |
|
|
452 | if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } |
|
|
453 | c->t_real [1] -= time_real [1]; |
|
|
454 | c->t_real [0] -= time_real [0]; |
|
|
455 | |
|
|
456 | if (c->t_cpu [1] < time_cpu [1]) { c->t_cpu [1] += 1000000000; --c->t_cpu [0]; } |
|
|
457 | c->t_cpu [1] -= time_cpu [1]; |
|
|
458 | c->t_cpu [0] -= time_cpu [0]; |
|
|
459 | } |
|
|
460 | |
|
|
461 | /*****************************************************************************/ |
|
|
462 | /* magic glue */ |
|
|
463 | |
|
|
464 | #define CORO_MAGIC_type_cv 26 |
|
|
465 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
|
|
466 | |
|
|
467 | #define CORO_MAGIC_NN(sv, type) \ |
|
|
468 | (ecb_expect_true (SvMAGIC (sv)->mg_type == type) \ |
|
|
469 | ? SvMAGIC (sv) \ |
|
|
470 | : mg_find (sv, type)) |
|
|
471 | |
|
|
472 | #define CORO_MAGIC(sv, type) \ |
|
|
473 | (ecb_expect_true (SvMAGIC (sv)) \ |
|
|
474 | ? CORO_MAGIC_NN (sv, type) \ |
|
|
475 | : 0) |
|
|
476 | |
|
|
477 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
|
|
478 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
|
|
479 | |
|
|
480 | ECB_INLINE MAGIC * |
|
|
481 | SvSTATEhv_p (pTHX_ SV *coro) |
|
|
482 | { |
|
|
483 | MAGIC *mg; |
|
|
484 | |
|
|
485 | if (ecb_expect_true ( |
|
|
486 | SvTYPE (coro) == SVt_PVHV |
|
|
487 | && (mg = CORO_MAGIC_state (coro)) |
|
|
488 | && mg->mg_virtual == &coro_state_vtbl |
|
|
489 | )) |
|
|
490 | return mg; |
|
|
491 | |
|
|
492 | return 0; |
|
|
493 | } |
|
|
494 | |
|
|
495 | ECB_INLINE struct coro * |
|
|
496 | SvSTATE_ (pTHX_ SV *coro) |
|
|
497 | { |
|
|
498 | MAGIC *mg; |
|
|
499 | |
|
|
500 | if (SvROK (coro)) |
|
|
501 | coro = SvRV (coro); |
|
|
502 | |
|
|
503 | mg = SvSTATEhv_p (aTHX_ coro); |
|
|
504 | if (!mg) |
|
|
505 | croak ("Coro::State object required"); |
|
|
506 | |
|
|
507 | return (struct coro *)mg->mg_ptr; |
|
|
508 | } |
|
|
509 | |
|
|
510 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
|
|
511 | |
|
|
512 | /* faster than SvSTATE, but expects a coroutine hv */ |
|
|
513 | #define SvSTATE_hv(hv) ((struct coro *)CORO_MAGIC_NN ((SV *)hv, CORO_MAGIC_type_state)->mg_ptr) |
|
|
514 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
|
|
515 | |
|
|
516 | /*****************************************************************************/ |
|
|
517 | /* padlist management and caching */ |
|
|
518 | |
343 | INLINE CV * |
519 | ECB_INLINE AV * |
344 | coro_sv_2cv (pTHX_ SV *sv) |
|
|
345 | { |
|
|
346 | HV *st; |
|
|
347 | GV *gvp; |
|
|
348 | return sv_2cv (sv, &st, &gvp, 0); |
|
|
349 | } |
|
|
350 | |
|
|
351 | static AV * |
|
|
352 | coro_clone_padlist (pTHX_ CV *cv) |
520 | coro_derive_padlist (pTHX_ CV *cv) |
353 | { |
521 | { |
354 | AV *padlist = CvPADLIST (cv); |
522 | AV *padlist = CvPADLIST (cv); |
355 | AV *newpadlist, *newpad; |
523 | AV *newpadlist, *newpad; |
356 | |
524 | |
357 | newpadlist = newAV (); |
525 | newpadlist = newAV (); |
… | |
… | |
362 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
530 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
363 | #endif |
531 | #endif |
364 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
532 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
365 | --AvFILLp (padlist); |
533 | --AvFILLp (padlist); |
366 | |
534 | |
367 | av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE))); |
535 | av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0])); |
368 | av_store (newpadlist, 1, (SV *)newpad); |
536 | av_store (newpadlist, 1, (SV *)newpad); |
369 | |
537 | |
370 | return newpadlist; |
538 | return newpadlist; |
371 | } |
539 | } |
372 | |
540 | |
373 | static void |
541 | ECB_INLINE void |
374 | free_padlist (pTHX_ AV *padlist) |
542 | free_padlist (pTHX_ AV *padlist) |
375 | { |
543 | { |
376 | /* may be during global destruction */ |
544 | /* may be during global destruction */ |
377 | if (SvREFCNT (padlist)) |
545 | if (!IN_DESTRUCT) |
378 | { |
546 | { |
379 | I32 i = AvFILLp (padlist); |
547 | I32 i = AvFILLp (padlist); |
380 | while (i >= 0) |
548 | |
|
|
549 | while (i > 0) /* special-case index 0 */ |
381 | { |
550 | { |
382 | SV **svp = av_fetch (padlist, i--, FALSE); |
551 | /* we try to be extra-careful here */ |
383 | if (svp) |
552 | AV *av = (AV *)AvARRAY (padlist)[i--]; |
384 | { |
553 | I32 j = AvFILLp (av); |
385 | SV *sv; |
554 | |
386 | while (&PL_sv_undef != (sv = av_pop ((AV *)*svp))) |
555 | while (j >= 0) |
|
|
556 | SvREFCNT_dec (AvARRAY (av)[j--]); |
|
|
557 | |
|
|
558 | AvFILLp (av) = -1; |
387 | SvREFCNT_dec (sv); |
559 | SvREFCNT_dec (av); |
388 | |
|
|
389 | SvREFCNT_dec (*svp); |
|
|
390 | } |
|
|
391 | } |
560 | } |
392 | |
561 | |
|
|
562 | SvREFCNT_dec (AvARRAY (padlist)[0]); |
|
|
563 | |
|
|
564 | AvFILLp (padlist) = -1; |
393 | SvREFCNT_dec ((SV*)padlist); |
565 | SvREFCNT_dec ((SV*)padlist); |
394 | } |
566 | } |
395 | } |
567 | } |
396 | |
568 | |
397 | static int |
569 | static int |
398 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
570 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
399 | { |
571 | { |
400 | AV *padlist; |
572 | AV *padlist; |
401 | AV *av = (AV *)mg->mg_obj; |
573 | AV *av = (AV *)mg->mg_obj; |
|
|
574 | |
|
|
575 | /* perl manages to free our internal AV and _then_ call us */ |
|
|
576 | if (IN_DESTRUCT) |
|
|
577 | return 0; |
402 | |
578 | |
403 | /* casting is fun. */ |
579 | /* casting is fun. */ |
404 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
580 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
405 | free_padlist (aTHX_ padlist); |
581 | free_padlist (aTHX_ padlist); |
406 | |
582 | |
407 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
583 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
408 | |
584 | |
409 | return 0; |
585 | return 0; |
410 | } |
586 | } |
411 | |
|
|
412 | #define CORO_MAGIC_type_cv 26 |
|
|
413 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
|
|
414 | |
587 | |
415 | static MGVTBL coro_cv_vtbl = { |
588 | static MGVTBL coro_cv_vtbl = { |
416 | 0, 0, 0, 0, |
589 | 0, 0, 0, 0, |
417 | coro_cv_free |
590 | coro_cv_free |
418 | }; |
591 | }; |
419 | |
592 | |
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 | |
|
|
463 | /* the next two functions merely cache the padlists */ |
593 | /* the next two functions merely cache the padlists */ |
464 | static void |
594 | ECB_INLINE void |
465 | get_padlist (pTHX_ CV *cv) |
595 | get_padlist (pTHX_ CV *cv) |
466 | { |
596 | { |
467 | MAGIC *mg = CORO_MAGIC_cv (cv); |
597 | MAGIC *mg = CORO_MAGIC_cv (cv); |
468 | AV *av; |
598 | AV *av; |
469 | |
599 | |
470 | if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
600 | if (ecb_expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
471 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
601 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
472 | else |
602 | else |
473 | { |
603 | { |
474 | #if CORO_PREFER_PERL_FUNCTIONS |
604 | #if CORO_PREFER_PERL_FUNCTIONS |
475 | /* this is probably cleaner? but also slower! */ |
605 | /* this is probably cleaner? but also slower! */ |
… | |
… | |
477 | CV *cp = Perl_cv_clone (aTHX_ cv); |
607 | CV *cp = Perl_cv_clone (aTHX_ cv); |
478 | CvPADLIST (cv) = CvPADLIST (cp); |
608 | CvPADLIST (cv) = CvPADLIST (cp); |
479 | CvPADLIST (cp) = 0; |
609 | CvPADLIST (cp) = 0; |
480 | SvREFCNT_dec (cp); |
610 | SvREFCNT_dec (cp); |
481 | #else |
611 | #else |
482 | CvPADLIST (cv) = coro_clone_padlist (aTHX_ cv); |
612 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
483 | #endif |
613 | #endif |
484 | } |
614 | } |
485 | } |
615 | } |
486 | |
616 | |
487 | static void |
617 | ECB_INLINE void |
488 | put_padlist (pTHX_ CV *cv) |
618 | put_padlist (pTHX_ CV *cv) |
489 | { |
619 | { |
490 | MAGIC *mg = CORO_MAGIC_cv (cv); |
620 | MAGIC *mg = CORO_MAGIC_cv (cv); |
491 | AV *av; |
621 | AV *av; |
492 | |
622 | |
493 | if (expect_false (!mg)) |
623 | if (ecb_expect_false (!mg)) |
494 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
624 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
495 | |
625 | |
496 | av = (AV *)mg->mg_obj; |
626 | av = (AV *)mg->mg_obj; |
497 | |
627 | |
498 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
628 | if (ecb_expect_false (AvFILLp (av) >= AvMAX (av))) |
499 | av_extend (av, AvMAX (av) + 1); |
629 | av_extend (av, AvFILLp (av) + 1); |
500 | |
630 | |
501 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
631 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
502 | } |
632 | } |
503 | |
633 | |
504 | /** load & save, init *******************************************************/ |
634 | /** load & save, init *******************************************************/ |
|
|
635 | |
|
|
636 | /* swap sv heads, at least logically */ |
|
|
637 | static void |
|
|
638 | swap_svs (pTHX_ Coro__State c) |
|
|
639 | { |
|
|
640 | int i; |
|
|
641 | |
|
|
642 | for (i = 0; i <= AvFILLp (c->swap_sv); ) |
|
|
643 | { |
|
|
644 | SV *a = AvARRAY (c->swap_sv)[i++]; |
|
|
645 | SV *b = AvARRAY (c->swap_sv)[i++]; |
|
|
646 | |
|
|
647 | const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */ |
|
|
648 | SV tmp; |
|
|
649 | |
|
|
650 | /* swap sv_any */ |
|
|
651 | SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp); |
|
|
652 | |
|
|
653 | /* swap sv_flags */ |
|
|
654 | SvFLAGS (&tmp) = SvFLAGS (a); |
|
|
655 | SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep); |
|
|
656 | SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep); |
|
|
657 | |
|
|
658 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
659 | /* perl 5.10 complicates this _quite_ a bit, but it also is |
|
|
660 | * much faster, so no quarrels here. alternatively, we could |
|
|
661 | * sv_upgrade to avoid this. |
|
|
662 | */ |
|
|
663 | { |
|
|
664 | /* swap sv_u */ |
|
|
665 | tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u; |
|
|
666 | |
|
|
667 | /* if SvANY points to the head, we need to adjust the pointers, |
|
|
668 | * as the pointer for a still points to b, and maybe vice versa. |
|
|
669 | */ |
|
|
670 | #define svany_in_head(type) \ |
|
|
671 | (((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type))) |
|
|
672 | |
|
|
673 | if (svany_in_head (SvTYPE (a))) |
|
|
674 | SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a); |
|
|
675 | |
|
|
676 | if (svany_in_head (SvTYPE (b))) |
|
|
677 | SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b); |
|
|
678 | } |
|
|
679 | #endif |
|
|
680 | } |
|
|
681 | } |
|
|
682 | |
|
|
683 | #define SWAP_SVS(coro) \ |
|
|
684 | if (ecb_expect_false ((coro)->swap_sv)) \ |
|
|
685 | swap_svs (aTHX_ (coro)) |
|
|
686 | |
|
|
687 | static void |
|
|
688 | on_enterleave_call (pTHX_ SV *cb); |
505 | |
689 | |
506 | static void |
690 | static void |
507 | load_perl (pTHX_ Coro__State c) |
691 | load_perl (pTHX_ Coro__State c) |
508 | { |
692 | { |
509 | perl_slots *slot = c->slot; |
693 | perl_slots *slot = c->slot; |
510 | c->slot = 0; |
694 | c->slot = 0; |
511 | |
695 | |
512 | PL_mainstack = c->mainstack; |
696 | PL_mainstack = c->mainstack; |
513 | |
697 | |
514 | GvSV (PL_defgv) = slot->defsv; |
698 | #if CORO_JIT |
515 | GvAV (PL_defgv) = slot->defav; |
699 | load_perl_slots (slot); |
516 | GvSV (PL_errgv) = slot->errsv; |
700 | #else |
517 | GvSV (irsgv) = slot->irsgv; |
|
|
518 | |
|
|
519 | #define VAR(name,type) PL_ ## name = slot->name; |
701 | #define VARx(name,expr,type) expr = slot->name; |
520 | # include "state.h" |
702 | # include "state.h" |
521 | #undef VAR |
703 | #undef VARx |
|
|
704 | #endif |
522 | |
705 | |
523 | { |
706 | { |
524 | dSP; |
707 | dSP; |
525 | |
708 | |
526 | CV *cv; |
709 | CV *cv; |
527 | |
710 | |
528 | /* now do the ugly restore mess */ |
711 | /* now do the ugly restore mess */ |
529 | while (expect_true (cv = (CV *)POPs)) |
712 | while (ecb_expect_true (cv = (CV *)POPs)) |
530 | { |
713 | { |
531 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
714 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
532 | CvDEPTH (cv) = PTR2IV (POPs); |
715 | CvDEPTH (cv) = PTR2IV (POPs); |
533 | CvPADLIST (cv) = (AV *)POPs; |
716 | CvPADLIST (cv) = (AV *)POPs; |
534 | } |
717 | } |
… | |
… | |
536 | PUTBACK; |
719 | PUTBACK; |
537 | } |
720 | } |
538 | |
721 | |
539 | slf_frame = c->slf_frame; |
722 | slf_frame = c->slf_frame; |
540 | CORO_THROW = c->except; |
723 | CORO_THROW = c->except; |
|
|
724 | |
|
|
725 | if (ecb_expect_false (enable_times)) |
|
|
726 | { |
|
|
727 | if (ecb_expect_false (!times_valid)) |
|
|
728 | coro_times_update (); |
|
|
729 | |
|
|
730 | coro_times_sub (c); |
|
|
731 | } |
|
|
732 | |
|
|
733 | if (ecb_expect_false (c->on_enter)) |
|
|
734 | { |
|
|
735 | int i; |
|
|
736 | |
|
|
737 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
|
|
738 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
|
|
739 | } |
|
|
740 | |
|
|
741 | SWAP_SVS (c); |
541 | } |
742 | } |
542 | |
743 | |
543 | static void |
744 | static void |
544 | save_perl (pTHX_ Coro__State c) |
745 | save_perl (pTHX_ Coro__State c) |
545 | { |
746 | { |
|
|
747 | SWAP_SVS (c); |
|
|
748 | |
|
|
749 | if (ecb_expect_false (c->on_leave)) |
|
|
750 | { |
|
|
751 | int i; |
|
|
752 | |
|
|
753 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
|
|
754 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
|
|
755 | } |
|
|
756 | |
|
|
757 | times_valid = 0; |
|
|
758 | |
|
|
759 | if (ecb_expect_false (enable_times)) |
|
|
760 | { |
|
|
761 | coro_times_update (); times_valid = 1; |
|
|
762 | coro_times_add (c); |
|
|
763 | } |
|
|
764 | |
546 | c->except = CORO_THROW; |
765 | c->except = CORO_THROW; |
547 | c->slf_frame = slf_frame; |
766 | c->slf_frame = slf_frame; |
548 | |
767 | |
549 | { |
768 | { |
550 | dSP; |
769 | dSP; |
… | |
… | |
559 | |
778 | |
560 | XPUSHs (Nullsv); |
779 | XPUSHs (Nullsv); |
561 | /* this loop was inspired by pp_caller */ |
780 | /* this loop was inspired by pp_caller */ |
562 | for (;;) |
781 | for (;;) |
563 | { |
782 | { |
564 | while (expect_true (cxix >= 0)) |
783 | while (ecb_expect_true (cxix >= 0)) |
565 | { |
784 | { |
566 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
785 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
567 | |
786 | |
568 | if (expect_true (CxTYPE (cx) == CXt_SUB || CxTYPE (cx) == CXt_FORMAT)) |
787 | if (ecb_expect_true (CxTYPE (cx) == CXt_SUB) || ecb_expect_false (CxTYPE (cx) == CXt_FORMAT)) |
569 | { |
788 | { |
570 | CV *cv = cx->blk_sub.cv; |
789 | CV *cv = cx->blk_sub.cv; |
571 | |
790 | |
572 | if (expect_true (CvDEPTH (cv))) |
791 | if (ecb_expect_true (CvDEPTH (cv))) |
573 | { |
792 | { |
574 | EXTEND (SP, 3); |
793 | EXTEND (SP, 3); |
575 | PUSHs ((SV *)CvPADLIST (cv)); |
794 | PUSHs ((SV *)CvPADLIST (cv)); |
576 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
795 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
577 | PUSHs ((SV *)cv); |
796 | PUSHs ((SV *)cv); |
… | |
… | |
580 | get_padlist (aTHX_ cv); |
799 | get_padlist (aTHX_ cv); |
581 | } |
800 | } |
582 | } |
801 | } |
583 | } |
802 | } |
584 | |
803 | |
585 | if (expect_true (top_si->si_type == PERLSI_MAIN)) |
804 | if (ecb_expect_true (top_si->si_type == PERLSI_MAIN)) |
586 | break; |
805 | break; |
587 | |
806 | |
588 | top_si = top_si->si_prev; |
807 | top_si = top_si->si_prev; |
589 | ccstk = top_si->si_cxstack; |
808 | ccstk = top_si->si_cxstack; |
590 | cxix = top_si->si_cxix; |
809 | cxix = top_si->si_cxix; |
… | |
… | |
592 | |
811 | |
593 | PUTBACK; |
812 | PUTBACK; |
594 | } |
813 | } |
595 | |
814 | |
596 | /* allocate some space on the context stack for our purposes */ |
815 | /* allocate some space on the context stack for our purposes */ |
597 | /* we manually unroll here, as usually 2 slots is enough */ |
816 | if (ecb_expect_false (cxstack_ix + SLOT_COUNT >= cxstack_max)) |
598 | if (SLOT_COUNT >= 1) CXINC; |
|
|
599 | if (SLOT_COUNT >= 2) CXINC; |
|
|
600 | if (SLOT_COUNT >= 3) CXINC; |
|
|
601 | { |
817 | { |
602 | int i; |
818 | unsigned int i; |
|
|
819 | |
603 | for (i = 3; i < SLOT_COUNT; ++i) |
820 | for (i = 0; i < SLOT_COUNT; ++i) |
604 | CXINC; |
821 | CXINC; |
605 | } |
822 | |
606 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
823 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
|
|
824 | } |
607 | |
825 | |
608 | c->mainstack = PL_mainstack; |
826 | c->mainstack = PL_mainstack; |
609 | |
827 | |
610 | { |
828 | { |
611 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
829 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
612 | |
830 | |
613 | slot->defav = GvAV (PL_defgv); |
831 | #if CORO_JIT |
614 | slot->defsv = DEFSV; |
832 | save_perl_slots (slot); |
615 | slot->errsv = ERRSV; |
833 | #else |
616 | slot->irsgv = GvSV (irsgv); |
|
|
617 | |
|
|
618 | #define VAR(name,type) slot->name = PL_ ## name; |
834 | #define VARx(name,expr,type) slot->name = expr; |
619 | # include "state.h" |
835 | # include "state.h" |
620 | #undef VAR |
836 | #undef VARx |
|
|
837 | #endif |
621 | } |
838 | } |
622 | } |
839 | } |
623 | |
840 | |
624 | /* |
841 | /* |
625 | * allocate various perl stacks. This is almost an exact copy |
842 | * allocate various perl stacks. This is almost an exact copy |
… | |
… | |
631 | # define coro_init_stacks(thx) init_stacks () |
848 | # define coro_init_stacks(thx) init_stacks () |
632 | #else |
849 | #else |
633 | static void |
850 | static void |
634 | coro_init_stacks (pTHX) |
851 | coro_init_stacks (pTHX) |
635 | { |
852 | { |
636 | PL_curstackinfo = new_stackinfo(32, 8); |
853 | PL_curstackinfo = new_stackinfo(32, 4 + SLOT_COUNT); /* 3 is minimum due to perl rounding down in scope.c:GROW() */ |
637 | PL_curstackinfo->si_type = PERLSI_MAIN; |
854 | PL_curstackinfo->si_type = PERLSI_MAIN; |
638 | PL_curstack = PL_curstackinfo->si_stack; |
855 | PL_curstack = PL_curstackinfo->si_stack; |
639 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
856 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
640 | |
857 | |
641 | PL_stack_base = AvARRAY(PL_curstack); |
858 | PL_stack_base = AvARRAY(PL_curstack); |
… | |
… | |
748 | #endif |
965 | #endif |
749 | |
966 | |
750 | /* |
967 | /* |
751 | * This overrides the default magic get method of %SIG elements. |
968 | * 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 |
969 | * 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 |
970 | * and instead of trying to save and restore the hash elements (extremely slow), |
754 | * readback here. |
971 | * we just provide our own 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 | */ |
972 | */ |
759 | static int |
973 | static int ecb_cold |
760 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
974 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
761 | { |
975 | { |
762 | const char *s = MgPV_nolen_const (mg); |
976 | const char *s = MgPV_nolen_const (mg); |
763 | |
977 | |
764 | if (*s == '_') |
978 | if (*s == '_') |
… | |
… | |
776 | } |
990 | } |
777 | |
991 | |
778 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
992 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
779 | } |
993 | } |
780 | |
994 | |
781 | static int |
995 | static int ecb_cold |
782 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
996 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
783 | { |
997 | { |
784 | const char *s = MgPV_nolen_const (mg); |
998 | const char *s = MgPV_nolen_const (mg); |
785 | |
999 | |
786 | if (*s == '_') |
1000 | if (*s == '_') |
… | |
… | |
800 | } |
1014 | } |
801 | |
1015 | |
802 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
1016 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
803 | } |
1017 | } |
804 | |
1018 | |
805 | static int |
1019 | static int ecb_cold |
806 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
1020 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
807 | { |
1021 | { |
808 | const char *s = MgPV_nolen_const (mg); |
1022 | const char *s = MgPV_nolen_const (mg); |
809 | |
1023 | |
810 | if (*s == '_') |
1024 | if (*s == '_') |
… | |
… | |
815 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
1029 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
816 | |
1030 | |
817 | if (svp) |
1031 | if (svp) |
818 | { |
1032 | { |
819 | SV *old = *svp; |
1033 | SV *old = *svp; |
820 | *svp = newSVsv (sv); |
1034 | *svp = SvOK (sv) ? newSVsv (sv) : 0; |
821 | SvREFCNT_dec (old); |
1035 | SvREFCNT_dec (old); |
822 | return 0; |
1036 | return 0; |
823 | } |
1037 | } |
824 | } |
1038 | } |
825 | |
1039 | |
… | |
… | |
843 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
1057 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
844 | { |
1058 | { |
845 | return 1; |
1059 | return 1; |
846 | } |
1060 | } |
847 | |
1061 | |
848 | static UNOP coro_setup_op; |
1062 | static UNOP init_perl_op; |
849 | |
1063 | |
850 | static void NOINLINE /* noinline to keep it out of the transfer fast path */ |
1064 | ecb_noinline static void /* noinline to keep it out of the transfer fast path */ |
851 | coro_setup (pTHX_ struct coro *coro) |
1065 | init_perl (pTHX_ struct coro *coro) |
852 | { |
1066 | { |
853 | /* |
1067 | /* |
854 | * emulate part of the perl startup here. |
1068 | * emulate part of the perl startup here. |
855 | */ |
1069 | */ |
856 | coro_init_stacks (aTHX); |
1070 | coro_init_stacks (aTHX); |
857 | |
1071 | |
858 | PL_runops = RUNOPS_DEFAULT; |
1072 | PL_runops = RUNOPS_DEFAULT; |
859 | PL_curcop = &PL_compiling; |
1073 | PL_curcop = &PL_compiling; |
860 | PL_in_eval = EVAL_NULL; |
1074 | PL_in_eval = EVAL_NULL; |
861 | PL_comppad = 0; |
1075 | PL_comppad = 0; |
|
|
1076 | PL_comppad_name = 0; |
|
|
1077 | PL_comppad_name_fill = 0; |
|
|
1078 | PL_comppad_name_floor = 0; |
862 | PL_curpm = 0; |
1079 | PL_curpm = 0; |
863 | PL_curpad = 0; |
1080 | PL_curpad = 0; |
864 | PL_localizing = 0; |
1081 | PL_localizing = 0; |
865 | PL_dirty = 0; |
|
|
866 | PL_restartop = 0; |
1082 | PL_restartop = 0; |
867 | #if PERL_VERSION_ATLEAST (5,10,0) |
1083 | #if PERL_VERSION_ATLEAST (5,10,0) |
868 | PL_parser = 0; |
1084 | PL_parser = 0; |
869 | #endif |
1085 | #endif |
|
|
1086 | PL_hints = 0; |
870 | |
1087 | |
871 | /* recreate the die/warn hooks */ |
1088 | /* recreate the die/warn hooks */ |
872 | PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); |
1089 | PL_diehook = SvREFCNT_inc (rv_diehook); |
873 | PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook); |
1090 | PL_warnhook = SvREFCNT_inc (rv_warnhook); |
874 | |
1091 | |
875 | GvSV (PL_defgv) = newSV (0); |
1092 | GvSV (PL_defgv) = newSV (0); |
876 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1093 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
877 | GvSV (PL_errgv) = newSV (0); |
1094 | GvSV (PL_errgv) = newSV (0); |
878 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
1095 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
|
|
1096 | GvHV (PL_hintgv) = 0; |
879 | PL_rs = newSVsv (GvSV (irsgv)); |
1097 | PL_rs = newSVsv (GvSV (irsgv)); |
880 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
1098 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
881 | |
1099 | |
882 | { |
1100 | { |
883 | dSP; |
1101 | dSP; |
… | |
… | |
898 | /* this newly created coroutine might be run on an existing cctx which most |
1116 | /* this newly created coroutine might be run on an existing cctx which most |
899 | * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. |
1117 | * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. |
900 | */ |
1118 | */ |
901 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
1119 | 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 */ |
1120 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
|
|
1121 | slf_frame.destroy = 0; |
903 | |
1122 | |
904 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
1123 | /* 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; |
1124 | init_perl_op.op_next = PL_op; |
906 | coro_setup_op.op_type = OP_CUSTOM; |
1125 | init_perl_op.op_type = OP_ENTERSUB; |
907 | coro_setup_op.op_ppaddr = pp_slf; |
1126 | init_perl_op.op_ppaddr = pp_slf; |
908 | /* no flags etc. required, as an init function won't be called */ |
1127 | /* no flags etc. required, as an init function won't be called */ |
909 | |
1128 | |
910 | PL_op = (OP *)&coro_setup_op; |
1129 | PL_op = (OP *)&init_perl_op; |
911 | |
1130 | |
912 | /* copy throw, in case it was set before coro_setup */ |
1131 | /* copy throw, in case it was set before init_perl */ |
913 | CORO_THROW = coro->except; |
1132 | CORO_THROW = coro->except; |
914 | } |
|
|
915 | |
1133 | |
|
|
1134 | SWAP_SVS (coro); |
|
|
1135 | |
|
|
1136 | if (ecb_expect_false (enable_times)) |
|
|
1137 | { |
|
|
1138 | coro_times_update (); |
|
|
1139 | coro_times_sub (coro); |
|
|
1140 | } |
|
|
1141 | } |
|
|
1142 | |
916 | static void |
1143 | static void |
917 | coro_destruct (pTHX_ struct coro *coro) |
1144 | coro_unwind_stacks (pTHX) |
918 | { |
1145 | { |
919 | if (!IN_DESTRUCT) |
1146 | if (!IN_DESTRUCT) |
920 | { |
1147 | { |
921 | /* restore all saved variables and stuff */ |
1148 | /* restore all saved variables and stuff */ |
922 | LEAVE_SCOPE (0); |
1149 | LEAVE_SCOPE (0); |
… | |
… | |
930 | POPSTACK_TO (PL_mainstack); |
1157 | POPSTACK_TO (PL_mainstack); |
931 | |
1158 | |
932 | /* unwind main stack */ |
1159 | /* unwind main stack */ |
933 | dounwind (-1); |
1160 | dounwind (-1); |
934 | } |
1161 | } |
|
|
1162 | } |
935 | |
1163 | |
936 | SvREFCNT_dec (GvSV (PL_defgv)); |
1164 | static void |
937 | SvREFCNT_dec (GvAV (PL_defgv)); |
1165 | destroy_perl (pTHX_ struct coro *coro) |
938 | SvREFCNT_dec (GvSV (PL_errgv)); |
1166 | { |
939 | SvREFCNT_dec (PL_defoutgv); |
1167 | SV *svf [9]; |
940 | SvREFCNT_dec (PL_rs); |
|
|
941 | SvREFCNT_dec (GvSV (irsgv)); |
|
|
942 | |
1168 | |
943 | SvREFCNT_dec (PL_diehook); |
|
|
944 | SvREFCNT_dec (PL_warnhook); |
|
|
945 | |
1169 | { |
|
|
1170 | SV *old_current = SvRV (coro_current); |
|
|
1171 | struct coro *current = SvSTATE (old_current); |
|
|
1172 | |
|
|
1173 | assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack)); |
|
|
1174 | |
|
|
1175 | save_perl (aTHX_ current); |
|
|
1176 | |
|
|
1177 | /* this will cause transfer_check to croak on block*/ |
|
|
1178 | SvRV_set (coro_current, (SV *)coro->hv); |
|
|
1179 | |
|
|
1180 | load_perl (aTHX_ coro); |
|
|
1181 | |
|
|
1182 | coro_unwind_stacks (aTHX); |
|
|
1183 | |
|
|
1184 | /* restore swapped sv's */ |
|
|
1185 | SWAP_SVS (coro); |
|
|
1186 | |
|
|
1187 | coro_destruct_stacks (aTHX); |
|
|
1188 | |
|
|
1189 | // now save some sv's to be free'd later |
|
|
1190 | svf [0] = GvSV (PL_defgv); |
|
|
1191 | svf [1] = (SV *)GvAV (PL_defgv); |
|
|
1192 | svf [2] = GvSV (PL_errgv); |
|
|
1193 | svf [3] = (SV *)PL_defoutgv; |
|
|
1194 | svf [4] = PL_rs; |
|
|
1195 | svf [5] = GvSV (irsgv); |
|
|
1196 | svf [6] = (SV *)GvHV (PL_hintgv); |
|
|
1197 | svf [7] = PL_diehook; |
|
|
1198 | svf [8] = PL_warnhook; |
|
|
1199 | assert (9 == sizeof (svf) / sizeof (*svf)); |
|
|
1200 | |
|
|
1201 | SvRV_set (coro_current, old_current); |
|
|
1202 | |
|
|
1203 | load_perl (aTHX_ current); |
|
|
1204 | } |
|
|
1205 | |
|
|
1206 | { |
|
|
1207 | unsigned int i; |
|
|
1208 | |
|
|
1209 | for (i = 0; i < sizeof (svf) / sizeof (*svf); ++i) |
|
|
1210 | SvREFCNT_dec (svf [i]); |
|
|
1211 | |
946 | SvREFCNT_dec (coro->saved_deffh); |
1212 | SvREFCNT_dec (coro->saved_deffh); |
947 | SvREFCNT_dec (coro->rouse_cb); |
1213 | SvREFCNT_dec (coro->rouse_cb); |
948 | SvREFCNT_dec (coro->invoke_cb); |
1214 | SvREFCNT_dec (coro->invoke_cb); |
949 | SvREFCNT_dec (coro->invoke_av); |
1215 | SvREFCNT_dec (coro->invoke_av); |
950 | |
1216 | } |
951 | coro_destruct_stacks (aTHX); |
|
|
952 | } |
1217 | } |
953 | |
1218 | |
954 | INLINE void |
1219 | ECB_INLINE void |
955 | free_coro_mortal (pTHX) |
1220 | free_coro_mortal (pTHX) |
956 | { |
1221 | { |
957 | if (expect_true (coro_mortal)) |
1222 | if (ecb_expect_true (coro_mortal)) |
958 | { |
1223 | { |
959 | SvREFCNT_dec (coro_mortal); |
1224 | SvREFCNT_dec ((SV *)coro_mortal); |
960 | coro_mortal = 0; |
1225 | coro_mortal = 0; |
961 | } |
1226 | } |
962 | } |
1227 | } |
963 | |
1228 | |
964 | static int |
1229 | static int |
965 | runops_trace (pTHX) |
1230 | runops_trace (pTHX) |
966 | { |
1231 | { |
967 | COP *oldcop = 0; |
1232 | COP *oldcop = 0; |
968 | int oldcxix = -2; |
1233 | int oldcxix = -2; |
969 | struct coro *coro = SvSTATE_current; /* trace cctx is tied to specific coro */ |
|
|
970 | coro_cctx *cctx = coro->cctx; |
|
|
971 | |
1234 | |
972 | while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX))) |
1235 | while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX))) |
973 | { |
1236 | { |
974 | PERL_ASYNC_CHECK (); |
1237 | PERL_ASYNC_CHECK (); |
975 | |
1238 | |
976 | if (cctx->flags & CC_TRACE_ALL) |
1239 | if (cctx_current->flags & CC_TRACE_ALL) |
977 | { |
1240 | { |
978 | if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB) |
1241 | if (PL_op->op_type == OP_LEAVESUB && cctx_current->flags & CC_TRACE_SUB) |
979 | { |
1242 | { |
980 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1243 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
981 | SV **bot, **top; |
1244 | SV **bot, **top; |
982 | AV *av = newAV (); /* return values */ |
1245 | AV *av = newAV (); /* return values */ |
983 | SV **cb; |
1246 | SV **cb; |
… | |
… | |
1020 | |
1283 | |
1021 | if (PL_curcop != &PL_compiling) |
1284 | if (PL_curcop != &PL_compiling) |
1022 | { |
1285 | { |
1023 | SV **cb; |
1286 | SV **cb; |
1024 | |
1287 | |
1025 | if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB) |
1288 | if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB) |
1026 | { |
1289 | { |
1027 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1290 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1028 | |
1291 | |
1029 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
1292 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
1030 | { |
1293 | { |
… | |
… | |
1053 | } |
1316 | } |
1054 | |
1317 | |
1055 | oldcxix = cxstack_ix; |
1318 | oldcxix = cxstack_ix; |
1056 | } |
1319 | } |
1057 | |
1320 | |
1058 | if (cctx->flags & CC_TRACE_LINE) |
1321 | if (cctx_current->flags & CC_TRACE_LINE) |
1059 | { |
1322 | { |
1060 | dSP; |
1323 | dSP; |
1061 | |
1324 | |
1062 | PL_runops = RUNOPS_DEFAULT; |
1325 | PL_runops = RUNOPS_DEFAULT; |
1063 | ENTER; |
1326 | ENTER; |
… | |
… | |
1082 | |
1345 | |
1083 | TAINT_NOT; |
1346 | TAINT_NOT; |
1084 | return 0; |
1347 | return 0; |
1085 | } |
1348 | } |
1086 | |
1349 | |
1087 | static struct coro_cctx *cctx_ssl_cctx; |
|
|
1088 | static struct CoroSLF cctx_ssl_frame; |
1350 | static struct CoroSLF cctx_ssl_frame; |
1089 | |
1351 | |
1090 | static void |
1352 | static void |
1091 | slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta) |
1353 | slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta) |
1092 | { |
1354 | { |
1093 | ta->prev = (struct coro *)cctx_ssl_cctx; |
|
|
1094 | ta->next = 0; |
1355 | ta->prev = 0; |
1095 | } |
1356 | } |
1096 | |
1357 | |
1097 | static int |
1358 | static int |
1098 | slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame) |
1359 | slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame) |
1099 | { |
1360 | { |
… | |
… | |
1101 | |
1362 | |
1102 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1363 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1103 | } |
1364 | } |
1104 | |
1365 | |
1105 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1366 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1106 | static void NOINLINE |
1367 | static void ecb_noinline |
1107 | cctx_prepare (pTHX_ coro_cctx *cctx) |
1368 | cctx_prepare (pTHX) |
1108 | { |
1369 | { |
1109 | PL_top_env = &PL_start_env; |
1370 | PL_top_env = &PL_start_env; |
1110 | |
1371 | |
1111 | if (cctx->flags & CC_TRACE) |
1372 | if (cctx_current->flags & CC_TRACE) |
1112 | PL_runops = runops_trace; |
1373 | PL_runops = runops_trace; |
1113 | |
1374 | |
1114 | /* we already must be executing an SLF op, there is no other valid way |
1375 | /* we already must be executing an SLF op, there is no other valid way |
1115 | * that can lead to creation of a new cctx */ |
1376 | * that can lead to creation of a new cctx */ |
1116 | assert (("FATAL: can't prepare slf-less cctx in Coro module (please report)", |
1377 | assert (("FATAL: can't prepare slf-less cctx in Coro module (please report)", |
1117 | slf_frame.prepare && PL_op->op_ppaddr == pp_slf)); |
1378 | slf_frame.prepare && PL_op->op_ppaddr == pp_slf)); |
1118 | |
1379 | |
1119 | /* we must emulate leaving pp_slf, which is done inside slf_check_set_stacklevel */ |
1380 | /* 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; |
1381 | cctx_ssl_frame = slf_frame; |
1122 | |
1382 | |
1123 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1383 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1124 | slf_frame.check = slf_check_set_stacklevel; |
1384 | slf_frame.check = slf_check_set_stacklevel; |
1125 | } |
1385 | } |
1126 | |
1386 | |
1127 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1387 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1128 | INLINE void |
1388 | ECB_INLINE void |
1129 | transfer_tail (pTHX) |
1389 | transfer_tail (pTHX) |
1130 | { |
1390 | { |
1131 | free_coro_mortal (aTHX); |
1391 | free_coro_mortal (aTHX); |
1132 | } |
1392 | } |
1133 | |
1393 | |
… | |
… | |
1148 | /* normally we would need to skip the entersub here */ |
1408 | /* normally we would need to skip the entersub here */ |
1149 | /* not doing so will re-execute it, which is exactly what we want */ |
1409 | /* not doing so will re-execute it, which is exactly what we want */ |
1150 | /* PL_nop = PL_nop->op_next */ |
1410 | /* PL_nop = PL_nop->op_next */ |
1151 | |
1411 | |
1152 | /* inject a fake subroutine call to cctx_init */ |
1412 | /* inject a fake subroutine call to cctx_init */ |
1153 | cctx_prepare (aTHX_ (coro_cctx *)arg); |
1413 | cctx_prepare (aTHX); |
1154 | |
1414 | |
1155 | /* cctx_run is the alternative tail of transfer() */ |
1415 | /* cctx_run is the alternative tail of transfer() */ |
1156 | transfer_tail (aTHX); |
1416 | transfer_tail (aTHX); |
1157 | |
1417 | |
1158 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1418 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1159 | PL_restartop = PL_op; |
1419 | PL_restartop = PL_op; |
1160 | perl_run (PL_curinterp); |
1420 | perl_run (PL_curinterp); |
1161 | /* |
1421 | /* |
1162 | * Unfortunately, there is no way to get at the return values of the |
1422 | * Unfortunately, there is no way to get at the return values of the |
1163 | * coro body here, as perl_run destroys these |
1423 | * coro body here, as perl_run destroys these. Likewise, we cannot catch |
|
|
1424 | * runtime errors here, as this is just a random interpreter, not a thread. |
1164 | */ |
1425 | */ |
1165 | |
1426 | |
1166 | /* |
1427 | /* |
1167 | * If perl-run returns we assume exit() was being called or the coro |
1428 | * 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) |
1429 | * 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 |
1430 | * 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" |
1431 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
1171 | * coroutine as Coro has no such concept |
1432 | * coroutine as Coro has no such concept. |
|
|
1433 | * This actually isn't valid with the pthread backend, but OSes requiring |
|
|
1434 | * that backend are too broken to do it in a standards-compliant way. |
1172 | */ |
1435 | */ |
1173 | PL_top_env = main_top_env; |
1436 | PL_top_env = main_top_env; |
1174 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
1437 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
1175 | } |
1438 | } |
1176 | } |
1439 | } |
… | |
… | |
1253 | cctx_destroy (coro_cctx *cctx) |
1516 | cctx_destroy (coro_cctx *cctx) |
1254 | { |
1517 | { |
1255 | if (!cctx) |
1518 | if (!cctx) |
1256 | return; |
1519 | return; |
1257 | |
1520 | |
|
|
1521 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current)); |
|
|
1522 | |
1258 | --cctx_count; |
1523 | --cctx_count; |
1259 | coro_destroy (&cctx->cctx); |
1524 | coro_destroy (&cctx->cctx); |
1260 | |
1525 | |
1261 | /* coro_transfer creates new, empty cctx's */ |
1526 | /* coro_transfer creates new, empty cctx's */ |
1262 | if (cctx->sptr) |
1527 | if (cctx->sptr) |
… | |
… | |
1280 | #define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) |
1545 | #define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) |
1281 | |
1546 | |
1282 | static coro_cctx * |
1547 | static coro_cctx * |
1283 | cctx_get (pTHX) |
1548 | cctx_get (pTHX) |
1284 | { |
1549 | { |
1285 | while (expect_true (cctx_first)) |
1550 | while (ecb_expect_true (cctx_first)) |
1286 | { |
1551 | { |
1287 | coro_cctx *cctx = cctx_first; |
1552 | coro_cctx *cctx = cctx_first; |
1288 | cctx_first = cctx->next; |
1553 | cctx_first = cctx->next; |
1289 | --cctx_idle; |
1554 | --cctx_idle; |
1290 | |
1555 | |
1291 | if (expect_true (!CCTX_EXPIRED (cctx))) |
1556 | if (ecb_expect_true (!CCTX_EXPIRED (cctx))) |
1292 | return cctx; |
1557 | return cctx; |
1293 | |
1558 | |
1294 | cctx_destroy (cctx); |
1559 | cctx_destroy (cctx); |
1295 | } |
1560 | } |
1296 | |
1561 | |
… | |
… | |
1301 | cctx_put (coro_cctx *cctx) |
1566 | cctx_put (coro_cctx *cctx) |
1302 | { |
1567 | { |
1303 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr)); |
1568 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr)); |
1304 | |
1569 | |
1305 | /* free another cctx if overlimit */ |
1570 | /* free another cctx if overlimit */ |
1306 | if (expect_false (cctx_idle >= cctx_max_idle)) |
1571 | if (ecb_expect_false (cctx_idle >= cctx_max_idle)) |
1307 | { |
1572 | { |
1308 | coro_cctx *first = cctx_first; |
1573 | coro_cctx *first = cctx_first; |
1309 | cctx_first = first->next; |
1574 | cctx_first = first->next; |
1310 | --cctx_idle; |
1575 | --cctx_idle; |
1311 | |
1576 | |
… | |
… | |
1322 | static void |
1587 | static void |
1323 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1588 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1324 | { |
1589 | { |
1325 | /* TODO: throwing up here is considered harmful */ |
1590 | /* TODO: throwing up here is considered harmful */ |
1326 | |
1591 | |
1327 | if (expect_true (prev != next)) |
1592 | if (ecb_expect_true (prev != next)) |
1328 | { |
1593 | { |
1329 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1594 | if (ecb_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,"); |
1595 | croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); |
1331 | |
1596 | |
1332 | if (expect_false (next->flags & CF_RUNNING)) |
1597 | if (ecb_expect_false (next->flags & (CF_RUNNING | CF_ZOMBIE | CF_SUSPENDED))) |
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)) |
|
|
1336 | croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states,"); |
1598 | croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); |
1337 | |
1599 | |
1338 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1600 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1339 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1601 | if (ecb_expect_false (PL_lex_state != LEX_NOTPARSING)) |
1340 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1602 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1341 | #endif |
1603 | #endif |
1342 | } |
1604 | } |
1343 | } |
1605 | } |
1344 | |
1606 | |
1345 | /* always use the TRANSFER macro */ |
1607 | /* always use the TRANSFER macro */ |
1346 | static void NOINLINE /* noinline so we have a fixed stackframe */ |
1608 | static void ecb_noinline /* noinline so we have a fixed stackframe */ |
1347 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1609 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1348 | { |
1610 | { |
1349 | dSTACKLEVEL; |
1611 | dSTACKLEVEL; |
1350 | |
1612 | |
1351 | /* sometimes transfer is only called to set idle_sp */ |
1613 | /* sometimes transfer is only called to set idle_sp */ |
1352 | if (expect_false (!next)) |
1614 | if (ecb_expect_false (!prev)) |
1353 | { |
1615 | { |
1354 | ((coro_cctx *)prev)->idle_sp = STACKLEVEL; |
1616 | cctx_current->idle_sp = STACKLEVEL; |
1355 | assert (((coro_cctx *)prev)->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1617 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1356 | } |
1618 | } |
1357 | else if (expect_true (prev != next)) |
1619 | else if (ecb_expect_true (prev != next)) |
1358 | { |
1620 | { |
1359 | coro_cctx *prev__cctx; |
1621 | coro_cctx *cctx_prev; |
1360 | |
1622 | |
1361 | if (expect_false (prev->flags & CF_NEW)) |
1623 | if (ecb_expect_false (prev->flags & CF_NEW)) |
1362 | { |
1624 | { |
1363 | /* create a new empty/source context */ |
1625 | /* create a new empty/source context */ |
1364 | prev->cctx = cctx_new_empty (); |
|
|
1365 | prev->flags &= ~CF_NEW; |
1626 | prev->flags &= ~CF_NEW; |
1366 | prev->flags |= CF_RUNNING; |
1627 | prev->flags |= CF_RUNNING; |
1367 | } |
1628 | } |
1368 | |
1629 | |
1369 | prev->flags &= ~CF_RUNNING; |
1630 | prev->flags &= ~CF_RUNNING; |
1370 | next->flags |= CF_RUNNING; |
1631 | next->flags |= CF_RUNNING; |
1371 | |
1632 | |
1372 | /* first get rid of the old state */ |
1633 | /* first get rid of the old state */ |
1373 | save_perl (aTHX_ prev); |
1634 | save_perl (aTHX_ prev); |
1374 | |
1635 | |
1375 | if (expect_false (next->flags & CF_NEW)) |
1636 | if (ecb_expect_false (next->flags & CF_NEW)) |
1376 | { |
1637 | { |
1377 | /* need to start coroutine */ |
1638 | /* need to start coroutine */ |
1378 | next->flags &= ~CF_NEW; |
1639 | next->flags &= ~CF_NEW; |
1379 | /* setup coroutine call */ |
1640 | /* setup coroutine call */ |
1380 | coro_setup (aTHX_ next); |
1641 | init_perl (aTHX_ next); |
1381 | } |
1642 | } |
1382 | else |
1643 | else |
1383 | load_perl (aTHX_ next); |
1644 | load_perl (aTHX_ next); |
1384 | |
1645 | |
1385 | prev__cctx = prev->cctx; |
|
|
1386 | |
|
|
1387 | /* possibly untie and reuse the cctx */ |
1646 | /* possibly untie and reuse the cctx */ |
1388 | if (expect_true ( |
1647 | if (ecb_expect_true ( |
1389 | prev__cctx->idle_sp == STACKLEVEL |
1648 | cctx_current->idle_sp == STACKLEVEL |
1390 | && !(prev__cctx->flags & CC_TRACE) |
1649 | && !(cctx_current->flags & CC_TRACE) |
1391 | && !force_cctx |
1650 | && !force_cctx |
1392 | )) |
1651 | )) |
1393 | { |
1652 | { |
1394 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1653 | /* 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)); |
1654 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1396 | |
1655 | |
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 */ |
1656 | /* 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 */ |
1657 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1401 | if (expect_false (CCTX_EXPIRED (prev__cctx))) |
1658 | if (ecb_expect_false (CCTX_EXPIRED (cctx_current))) |
1402 | if (!next->cctx) |
1659 | if (ecb_expect_true (!next->cctx)) |
1403 | next->cctx = cctx_get (aTHX); |
1660 | next->cctx = cctx_get (aTHX); |
1404 | |
1661 | |
1405 | cctx_put (prev__cctx); |
1662 | cctx_put (cctx_current); |
1406 | } |
1663 | } |
|
|
1664 | else |
|
|
1665 | prev->cctx = cctx_current; |
1407 | |
1666 | |
1408 | ++next->usecount; |
1667 | ++next->usecount; |
1409 | |
1668 | |
1410 | if (expect_true (!next->cctx)) |
1669 | cctx_prev = cctx_current; |
1411 | next->cctx = cctx_get (aTHX); |
1670 | cctx_current = ecb_expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1412 | |
1671 | |
1413 | if (expect_false (prev__cctx != next->cctx)) |
1672 | next->cctx = 0; |
|
|
1673 | |
|
|
1674 | if (ecb_expect_false (cctx_prev != cctx_current)) |
1414 | { |
1675 | { |
1415 | prev__cctx->top_env = PL_top_env; |
1676 | cctx_prev->top_env = PL_top_env; |
1416 | PL_top_env = next->cctx->top_env; |
1677 | PL_top_env = cctx_current->top_env; |
1417 | coro_transfer (&prev__cctx->cctx, &next->cctx->cctx); |
1678 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1418 | } |
1679 | } |
1419 | |
1680 | |
1420 | transfer_tail (aTHX); |
1681 | transfer_tail (aTHX); |
1421 | } |
1682 | } |
1422 | } |
1683 | } |
… | |
… | |
1424 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1685 | #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) |
1686 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1426 | |
1687 | |
1427 | /** high level stuff ********************************************************/ |
1688 | /** high level stuff ********************************************************/ |
1428 | |
1689 | |
|
|
1690 | /* this function is actually Coro, not Coro::State, but we call it from here */ |
|
|
1691 | /* because it is convenient - but it hasn't been declared yet for that reason */ |
1429 | static int |
1692 | static void |
|
|
1693 | coro_call_on_destroy (pTHX_ struct coro *coro); |
|
|
1694 | |
|
|
1695 | static void |
1430 | coro_state_destroy (pTHX_ struct coro *coro) |
1696 | coro_state_destroy (pTHX_ struct coro *coro) |
1431 | { |
1697 | { |
1432 | if (coro->flags & CF_DESTROYED) |
1698 | if (coro->flags & CF_ZOMBIE) |
1433 | return 0; |
1699 | return; |
1434 | |
1700 | |
1435 | if (coro->on_destroy) |
|
|
1436 | coro->on_destroy (aTHX_ coro); |
1701 | slf_destroy (aTHX_ coro); |
1437 | |
1702 | |
1438 | coro->flags |= CF_DESTROYED; |
1703 | coro->flags |= CF_ZOMBIE; |
1439 | |
1704 | |
1440 | if (coro->flags & CF_READY) |
1705 | if (coro->flags & CF_READY) |
1441 | { |
1706 | { |
1442 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1707 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1443 | /* alternative: look through all ready queues and remove the coro */ |
1708 | /* alternative: look through all ready queues and remove the coro */ |
1444 | --coro_nready; |
1709 | --coro_nready; |
1445 | } |
1710 | } |
1446 | else |
1711 | else |
1447 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
1712 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
1448 | |
1713 | |
1449 | if (coro->mainstack && coro->mainstack != main_mainstack) |
1714 | if (coro->next) coro->next->prev = coro->prev; |
1450 | { |
1715 | if (coro->prev) coro->prev->next = coro->next; |
1451 | struct coro temp; |
1716 | if (coro == coro_first) coro_first = coro->next; |
1452 | |
1717 | |
1453 | assert (("FATAL: tried to destroy currently running coroutine (please report)", !(coro->flags & CF_RUNNING))); |
1718 | if (coro->mainstack |
1454 | |
1719 | && coro->mainstack != main_mainstack |
1455 | save_perl (aTHX_ &temp); |
1720 | && coro->slot |
|
|
1721 | && !PL_dirty) |
1456 | load_perl (aTHX_ coro); |
1722 | destroy_perl (aTHX_ coro); |
1457 | |
|
|
1458 | coro_destruct (aTHX_ coro); |
|
|
1459 | |
|
|
1460 | load_perl (aTHX_ &temp); |
|
|
1461 | |
|
|
1462 | coro->slot = 0; |
|
|
1463 | } |
|
|
1464 | |
1723 | |
1465 | cctx_destroy (coro->cctx); |
1724 | cctx_destroy (coro->cctx); |
1466 | SvREFCNT_dec (coro->startcv); |
1725 | SvREFCNT_dec (coro->startcv); |
1467 | SvREFCNT_dec (coro->args); |
1726 | SvREFCNT_dec (coro->args); |
|
|
1727 | SvREFCNT_dec (coro->swap_sv); |
1468 | SvREFCNT_dec (CORO_THROW); |
1728 | SvREFCNT_dec (CORO_THROW); |
1469 | |
1729 | |
1470 | if (coro->next) coro->next->prev = coro->prev; |
1730 | coro_call_on_destroy (aTHX_ coro); |
1471 | if (coro->prev) coro->prev->next = coro->next; |
|
|
1472 | if (coro == coro_first) coro_first = coro->next; |
|
|
1473 | |
1731 | |
1474 | return 1; |
1732 | /* more destruction mayhem in coro_state_free */ |
1475 | } |
1733 | } |
1476 | |
1734 | |
1477 | static int |
1735 | static int |
1478 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1736 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1479 | { |
1737 | { |
1480 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1738 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1481 | mg->mg_ptr = 0; |
1739 | mg->mg_ptr = 0; |
1482 | |
1740 | |
1483 | coro->hv = 0; |
|
|
1484 | |
|
|
1485 | if (--coro->refcnt < 0) |
|
|
1486 | { |
|
|
1487 | coro_state_destroy (aTHX_ coro); |
1741 | coro_state_destroy (aTHX_ coro); |
|
|
1742 | SvREFCNT_dec (coro->on_destroy); |
|
|
1743 | SvREFCNT_dec (coro->status); |
|
|
1744 | |
1488 | Safefree (coro); |
1745 | Safefree (coro); |
1489 | } |
|
|
1490 | |
1746 | |
1491 | return 0; |
1747 | return 0; |
1492 | } |
1748 | } |
1493 | |
1749 | |
1494 | static int |
1750 | static int ecb_cold |
1495 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1751 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1496 | { |
1752 | { |
1497 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1753 | /* called when perl clones the current process the slow way (windows process emulation) */ |
1498 | |
1754 | /* WE SIMply nuke the pointers in the copy, causing perl to croak */ |
1499 | ++coro->refcnt; |
1755 | mg->mg_ptr = 0; |
|
|
1756 | mg->mg_virtual = 0; |
1500 | |
1757 | |
1501 | return 0; |
1758 | return 0; |
1502 | } |
1759 | } |
1503 | |
1760 | |
1504 | static MGVTBL coro_state_vtbl = { |
1761 | static MGVTBL coro_state_vtbl = { |
… | |
… | |
1527 | |
1784 | |
1528 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1785 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1529 | TRANSFER (ta, 1); |
1786 | TRANSFER (ta, 1); |
1530 | } |
1787 | } |
1531 | |
1788 | |
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 ********************************************************************/ |
1789 | /** Coro ********************************************************************/ |
1556 | |
1790 | |
1557 | INLINE void |
1791 | ECB_INLINE void |
1558 | coro_enq (pTHX_ struct coro *coro) |
1792 | coro_enq (pTHX_ struct coro *coro) |
1559 | { |
1793 | { |
1560 | av_push (coro_ready [coro->prio - PRIO_MIN], SvREFCNT_inc_NN (coro->hv)); |
1794 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1561 | } |
|
|
1562 | |
1795 | |
1563 | INLINE SV * |
1796 | SvREFCNT_inc_NN (coro->hv); |
|
|
1797 | |
|
|
1798 | coro->next_ready = 0; |
|
|
1799 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
|
|
1800 | ready [1] = coro; |
|
|
1801 | } |
|
|
1802 | |
|
|
1803 | ECB_INLINE struct coro * |
1564 | coro_deq (pTHX) |
1804 | coro_deq (pTHX) |
1565 | { |
1805 | { |
1566 | int prio; |
1806 | int prio; |
1567 | |
1807 | |
1568 | for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; ) |
1808 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
1569 | if (AvFILLp (coro_ready [prio]) >= 0) |
1809 | { |
1570 | return av_shift (coro_ready [prio]); |
1810 | struct coro **ready = coro_ready [prio]; |
|
|
1811 | |
|
|
1812 | if (ready [0]) |
|
|
1813 | { |
|
|
1814 | struct coro *coro = ready [0]; |
|
|
1815 | ready [0] = coro->next_ready; |
|
|
1816 | return coro; |
|
|
1817 | } |
|
|
1818 | } |
1571 | |
1819 | |
1572 | return 0; |
1820 | return 0; |
|
|
1821 | } |
|
|
1822 | |
|
|
1823 | static void |
|
|
1824 | invoke_sv_ready_hook_helper (void) |
|
|
1825 | { |
|
|
1826 | dTHX; |
|
|
1827 | dSP; |
|
|
1828 | |
|
|
1829 | ENTER; |
|
|
1830 | SAVETMPS; |
|
|
1831 | |
|
|
1832 | PUSHMARK (SP); |
|
|
1833 | PUTBACK; |
|
|
1834 | call_sv (coro_readyhook, G_VOID | G_DISCARD); |
|
|
1835 | |
|
|
1836 | FREETMPS; |
|
|
1837 | LEAVE; |
1573 | } |
1838 | } |
1574 | |
1839 | |
1575 | static int |
1840 | static int |
1576 | api_ready (pTHX_ SV *coro_sv) |
1841 | api_ready (pTHX_ SV *coro_sv) |
1577 | { |
1842 | { |
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); |
1843 | struct coro *coro = SvSTATE (coro_sv); |
1586 | |
1844 | |
1587 | if (coro->flags & CF_READY) |
1845 | if (coro->flags & CF_READY) |
1588 | return 0; |
1846 | return 0; |
1589 | |
1847 | |
1590 | coro->flags |= CF_READY; |
1848 | coro->flags |= CF_READY; |
1591 | |
1849 | |
1592 | sv_hook = coro_nready ? 0 : coro_readyhook; |
|
|
1593 | xs_hook = coro_nready ? 0 : coroapi.readyhook; |
|
|
1594 | |
|
|
1595 | coro_enq (aTHX_ coro); |
1850 | coro_enq (aTHX_ coro); |
1596 | ++coro_nready; |
|
|
1597 | |
1851 | |
1598 | if (sv_hook) |
1852 | if (!coro_nready++) |
1599 | { |
1853 | if (coroapi.readyhook) |
1600 | dSP; |
1854 | 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 | |
1855 | |
1616 | return 1; |
1856 | return 1; |
1617 | } |
1857 | } |
1618 | |
1858 | |
1619 | static int |
1859 | static int |
… | |
… | |
1621 | { |
1861 | { |
1622 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1862 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1623 | } |
1863 | } |
1624 | |
1864 | |
1625 | /* expects to own a reference to next->hv */ |
1865 | /* expects to own a reference to next->hv */ |
1626 | INLINE void |
1866 | ECB_INLINE void |
1627 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1867 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1628 | { |
1868 | { |
1629 | SV *prev_sv = SvRV (coro_current); |
1869 | SV *prev_sv = SvRV (coro_current); |
1630 | |
1870 | |
1631 | ta->prev = SvSTATE_hv (prev_sv); |
1871 | ta->prev = SvSTATE_hv (prev_sv); |
… | |
… | |
1642 | static void |
1882 | static void |
1643 | prepare_schedule (pTHX_ struct coro_transfer_args *ta) |
1883 | prepare_schedule (pTHX_ struct coro_transfer_args *ta) |
1644 | { |
1884 | { |
1645 | for (;;) |
1885 | for (;;) |
1646 | { |
1886 | { |
1647 | SV *next_sv = coro_deq (aTHX); |
1887 | struct coro *next = coro_deq (aTHX); |
1648 | |
1888 | |
1649 | if (expect_true (next_sv)) |
1889 | if (ecb_expect_true (next)) |
1650 | { |
1890 | { |
1651 | struct coro *next = SvSTATE_hv (next_sv); |
|
|
1652 | |
|
|
1653 | /* cannot transfer to destroyed coros, skip and look for next */ |
1891 | /* cannot transfer to destroyed coros, skip and look for next */ |
1654 | if (expect_false (next->flags & CF_DESTROYED)) |
1892 | if (ecb_expect_false (next->flags & (CF_ZOMBIE | CF_SUSPENDED))) |
1655 | SvREFCNT_dec (next_sv); /* coro_nready has already been taken care of by destroy */ |
1893 | SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ |
1656 | else |
1894 | else |
1657 | { |
1895 | { |
1658 | next->flags &= ~CF_READY; |
1896 | next->flags &= ~CF_READY; |
1659 | --coro_nready; |
1897 | --coro_nready; |
1660 | |
1898 | |
… | |
… | |
1663 | } |
1901 | } |
1664 | } |
1902 | } |
1665 | else |
1903 | else |
1666 | { |
1904 | { |
1667 | /* nothing to schedule: call the idle handler */ |
1905 | /* nothing to schedule: call the idle handler */ |
|
|
1906 | if (SvROK (sv_idle) |
|
|
1907 | && SvOBJECT (SvRV (sv_idle))) |
|
|
1908 | { |
|
|
1909 | if (SvRV (sv_idle) == SvRV (coro_current)) |
|
|
1910 | croak ("FATAL: $Coro::IDLE blocked itself - did you try to block inside an event loop callback? Caught"); |
|
|
1911 | |
|
|
1912 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
|
|
1913 | api_ready (aTHX_ SvRV (sv_idle)); |
|
|
1914 | --coro_nready; |
|
|
1915 | } |
|
|
1916 | else |
|
|
1917 | { |
|
|
1918 | /* TODO: deprecated, remove, cannot work reliably *//*D*/ |
1668 | dSP; |
1919 | dSP; |
1669 | |
1920 | |
1670 | ENTER; |
1921 | ENTER; |
1671 | SAVETMPS; |
1922 | SAVETMPS; |
1672 | |
1923 | |
1673 | PUSHMARK (SP); |
1924 | PUSHMARK (SP); |
1674 | PUTBACK; |
1925 | PUTBACK; |
1675 | call_sv (get_sv ("Coro::idle", FALSE), G_VOID | G_DISCARD); |
1926 | call_sv (sv_idle, G_VOID | G_DISCARD); |
1676 | |
1927 | |
1677 | FREETMPS; |
1928 | FREETMPS; |
1678 | LEAVE; |
1929 | LEAVE; |
|
|
1930 | } |
1679 | } |
1931 | } |
1680 | } |
1932 | } |
1681 | } |
1933 | } |
1682 | |
1934 | |
1683 | INLINE void |
1935 | ECB_INLINE void |
1684 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1936 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1685 | { |
1937 | { |
1686 | api_ready (aTHX_ coro_current); |
1938 | api_ready (aTHX_ coro_current); |
1687 | prepare_schedule (aTHX_ ta); |
1939 | prepare_schedule (aTHX_ ta); |
1688 | } |
1940 | } |
1689 | |
1941 | |
1690 | INLINE void |
1942 | ECB_INLINE void |
1691 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
1943 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
1692 | { |
1944 | { |
1693 | SV *prev = SvRV (coro_current); |
1945 | SV *prev = SvRV (coro_current); |
1694 | |
1946 | |
1695 | if (coro_nready) |
1947 | if (coro_nready) |
… | |
… | |
1725 | { |
1977 | { |
1726 | struct coro_transfer_args ta; |
1978 | struct coro_transfer_args ta; |
1727 | |
1979 | |
1728 | prepare_cede (aTHX_ &ta); |
1980 | prepare_cede (aTHX_ &ta); |
1729 | |
1981 | |
1730 | if (expect_true (ta.prev != ta.next)) |
1982 | if (ecb_expect_true (ta.prev != ta.next)) |
1731 | { |
1983 | { |
1732 | TRANSFER (ta, 1); |
1984 | TRANSFER (ta, 1); |
1733 | return 1; |
1985 | return 1; |
1734 | } |
1986 | } |
1735 | else |
1987 | else |
… | |
… | |
1754 | static void |
2006 | static void |
1755 | api_trace (pTHX_ SV *coro_sv, int flags) |
2007 | api_trace (pTHX_ SV *coro_sv, int flags) |
1756 | { |
2008 | { |
1757 | struct coro *coro = SvSTATE (coro_sv); |
2009 | struct coro *coro = SvSTATE (coro_sv); |
1758 | |
2010 | |
|
|
2011 | if (coro->flags & CF_RUNNING) |
|
|
2012 | croak ("cannot enable tracing on a running coroutine, caught"); |
|
|
2013 | |
1759 | if (flags & CC_TRACE) |
2014 | if (flags & CC_TRACE) |
1760 | { |
2015 | { |
1761 | if (!coro->cctx) |
2016 | if (!coro->cctx) |
1762 | coro->cctx = cctx_new_run (); |
2017 | coro->cctx = cctx_new_run (); |
1763 | else if (!(coro->cctx->flags & CC_TRACE)) |
2018 | else if (!(coro->cctx->flags & CC_TRACE)) |
1764 | croak ("cannot enable tracing on coroutine with custom stack,"); |
2019 | croak ("cannot enable tracing on coroutine with custom stack, caught"); |
1765 | |
2020 | |
1766 | coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL)); |
2021 | coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL)); |
1767 | } |
2022 | } |
1768 | else if (coro->cctx && coro->cctx->flags & CC_TRACE) |
2023 | else if (coro->cctx && coro->cctx->flags & CC_TRACE) |
1769 | { |
2024 | { |
… | |
… | |
1775 | coro->slot->runops = RUNOPS_DEFAULT; |
2030 | coro->slot->runops = RUNOPS_DEFAULT; |
1776 | } |
2031 | } |
1777 | } |
2032 | } |
1778 | |
2033 | |
1779 | static void |
2034 | static void |
|
|
2035 | coro_push_av (pTHX_ AV *av, I32 gimme_v) |
|
|
2036 | { |
|
|
2037 | if (AvFILLp (av) >= 0 && gimme_v != G_VOID) |
|
|
2038 | { |
|
|
2039 | dSP; |
|
|
2040 | |
|
|
2041 | if (gimme_v == G_SCALAR) |
|
|
2042 | XPUSHs (AvARRAY (av)[AvFILLp (av)]); |
|
|
2043 | else |
|
|
2044 | { |
|
|
2045 | int i; |
|
|
2046 | EXTEND (SP, AvFILLp (av) + 1); |
|
|
2047 | |
|
|
2048 | for (i = 0; i <= AvFILLp (av); ++i) |
|
|
2049 | PUSHs (AvARRAY (av)[i]); |
|
|
2050 | } |
|
|
2051 | |
|
|
2052 | PUTBACK; |
|
|
2053 | } |
|
|
2054 | } |
|
|
2055 | |
|
|
2056 | static void |
|
|
2057 | coro_push_on_destroy (pTHX_ struct coro *coro, SV *cb) |
|
|
2058 | { |
|
|
2059 | if (!coro->on_destroy) |
|
|
2060 | coro->on_destroy = newAV (); |
|
|
2061 | |
|
|
2062 | av_push (coro->on_destroy, cb); |
|
|
2063 | } |
|
|
2064 | |
|
|
2065 | static void |
|
|
2066 | slf_destroy_join (pTHX_ struct CoroSLF *frame) |
|
|
2067 | { |
|
|
2068 | SvREFCNT_dec ((SV *)((struct coro *)frame->data)->hv); |
|
|
2069 | } |
|
|
2070 | |
|
|
2071 | static int |
|
|
2072 | slf_check_join (pTHX_ struct CoroSLF *frame) |
|
|
2073 | { |
|
|
2074 | struct coro *coro = (struct coro *)frame->data; |
|
|
2075 | |
|
|
2076 | if (!coro->status) |
|
|
2077 | return 1; |
|
|
2078 | |
|
|
2079 | frame->destroy = 0; |
|
|
2080 | |
|
|
2081 | coro_push_av (aTHX_ coro->status, GIMME_V); |
|
|
2082 | |
|
|
2083 | SvREFCNT_dec ((SV *)coro->hv); |
|
|
2084 | |
|
|
2085 | return 0; |
|
|
2086 | } |
|
|
2087 | |
|
|
2088 | static void |
|
|
2089 | slf_init_join (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2090 | { |
|
|
2091 | struct coro *coro = SvSTATE (items > 0 ? arg [0] : &PL_sv_undef); |
|
|
2092 | |
|
|
2093 | if (items > 1) |
|
|
2094 | croak ("join called with too many arguments"); |
|
|
2095 | |
|
|
2096 | if (coro->status) |
|
|
2097 | frame->prepare = prepare_nop; |
|
|
2098 | else |
|
|
2099 | { |
|
|
2100 | coro_push_on_destroy (aTHX_ coro, SvREFCNT_inc_NN (SvRV (coro_current))); |
|
|
2101 | frame->prepare = prepare_schedule; |
|
|
2102 | } |
|
|
2103 | |
|
|
2104 | frame->check = slf_check_join; |
|
|
2105 | frame->destroy = slf_destroy_join; |
|
|
2106 | frame->data = (void *)coro; |
|
|
2107 | SvREFCNT_inc (coro->hv); |
|
|
2108 | } |
|
|
2109 | |
|
|
2110 | static void |
1780 | coro_call_on_destroy (pTHX_ struct coro *coro) |
2111 | coro_call_on_destroy (pTHX_ struct coro *coro) |
1781 | { |
2112 | { |
1782 | SV **on_destroyp = hv_fetch (coro->hv, "_on_destroy", sizeof ("_on_destroy") - 1, 0); |
2113 | AV *od = coro->on_destroy; |
1783 | SV **statusp = hv_fetch (coro->hv, "_status", sizeof ("_status") - 1, 0); |
|
|
1784 | |
2114 | |
1785 | if (on_destroyp) |
2115 | if (!od) |
1786 | { |
2116 | return; |
1787 | AV *on_destroy = (AV *)SvRV (*on_destroyp); |
|
|
1788 | |
2117 | |
1789 | while (AvFILLp (on_destroy) >= 0) |
2118 | while (AvFILLp (od) >= 0) |
|
|
2119 | { |
|
|
2120 | SV *cb = sv_2mortal (av_pop (od)); |
|
|
2121 | |
|
|
2122 | /* coro hv's (and only hv's at the moment) are supported as well */ |
|
|
2123 | if (SvSTATEhv_p (aTHX_ cb)) |
|
|
2124 | api_ready (aTHX_ cb); |
|
|
2125 | else |
1790 | { |
2126 | { |
1791 | dSP; /* don't disturb outer sp */ |
2127 | dSP; /* don't disturb outer sp */ |
1792 | SV *cb = av_pop (on_destroy); |
|
|
1793 | |
|
|
1794 | PUSHMARK (SP); |
2128 | PUSHMARK (SP); |
1795 | |
2129 | |
1796 | if (statusp) |
2130 | if (coro->status) |
1797 | { |
2131 | { |
1798 | int i; |
2132 | PUTBACK; |
1799 | AV *status = (AV *)SvRV (*statusp); |
2133 | coro_push_av (aTHX_ coro->status, G_ARRAY); |
1800 | EXTEND (SP, AvFILLp (status) + 1); |
2134 | SPAGAIN; |
1801 | |
|
|
1802 | for (i = 0; i <= AvFILLp (status); ++i) |
|
|
1803 | PUSHs (AvARRAY (status)[i]); |
|
|
1804 | } |
2135 | } |
1805 | |
2136 | |
1806 | PUTBACK; |
2137 | PUTBACK; |
1807 | call_sv (sv_2mortal (cb), G_VOID | G_DISCARD); |
2138 | call_sv (cb, G_VOID | G_DISCARD); |
1808 | } |
2139 | } |
1809 | } |
2140 | } |
1810 | } |
2141 | } |
1811 | |
2142 | |
1812 | static void |
2143 | static void |
1813 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2144 | coro_set_status (pTHX_ struct coro *coro, SV **arg, int items) |
1814 | { |
2145 | { |
|
|
2146 | AV *av; |
|
|
2147 | |
|
|
2148 | if (coro->status) |
|
|
2149 | { |
|
|
2150 | av = coro->status; |
|
|
2151 | av_clear (av); |
|
|
2152 | } |
|
|
2153 | else |
|
|
2154 | av = coro->status = newAV (); |
|
|
2155 | |
|
|
2156 | /* items are actually not so common, so optimise for this case */ |
|
|
2157 | if (items) |
|
|
2158 | { |
1815 | int i; |
2159 | int i; |
1816 | HV *hv = (HV *)SvRV (coro_current); |
|
|
1817 | AV *av = newAV (); |
|
|
1818 | |
2160 | |
1819 | av_extend (av, items - 1); |
2161 | av_extend (av, items - 1); |
|
|
2162 | |
1820 | for (i = 0; i < items; ++i) |
2163 | for (i = 0; i < items; ++i) |
1821 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
2164 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
|
|
2165 | } |
|
|
2166 | } |
1822 | |
2167 | |
1823 | hv_store (hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0); |
2168 | static void |
1824 | |
2169 | slf_init_terminate_cancel_common (pTHX_ struct CoroSLF *frame, HV *coro_hv) |
|
|
2170 | { |
1825 | av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */ |
2171 | av_push (av_destroy, (SV *)newRV_inc ((SV *)coro_hv)); /* RVinc for perl */ |
1826 | api_ready (aTHX_ sv_manager); |
2172 | api_ready (aTHX_ sv_manager); |
1827 | |
2173 | |
1828 | frame->prepare = prepare_schedule; |
2174 | frame->prepare = prepare_schedule; |
1829 | frame->check = slf_check_repeat; |
2175 | frame->check = slf_check_repeat; |
|
|
2176 | |
|
|
2177 | /* as a minor optimisation, we could unwind all stacks here */ |
|
|
2178 | /* but that puts extra pressure on pp_slf, and is not worth much */ |
|
|
2179 | /*coro_unwind_stacks (aTHX);*/ |
|
|
2180 | } |
|
|
2181 | |
|
|
2182 | static void |
|
|
2183 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2184 | { |
|
|
2185 | HV *coro_hv = (HV *)SvRV (coro_current); |
|
|
2186 | |
|
|
2187 | coro_set_status (aTHX_ SvSTATE ((SV *)coro_hv), arg, items); |
|
|
2188 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
|
|
2189 | } |
|
|
2190 | |
|
|
2191 | static void |
|
|
2192 | slf_init_cancel (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2193 | { |
|
|
2194 | HV *coro_hv; |
|
|
2195 | struct coro *coro; |
|
|
2196 | |
|
|
2197 | if (items <= 0) |
|
|
2198 | croak ("Coro::cancel called without coro object,"); |
|
|
2199 | |
|
|
2200 | coro = SvSTATE (arg [0]); |
|
|
2201 | coro_hv = coro->hv; |
|
|
2202 | |
|
|
2203 | coro_set_status (aTHX_ coro, arg + 1, items - 1); |
|
|
2204 | |
|
|
2205 | if (ecb_expect_false (coro->flags & CF_NOCANCEL)) |
|
|
2206 | { |
|
|
2207 | /* coro currently busy cancelling something, so just notify it */ |
|
|
2208 | coro->slf_frame.data = (void *)coro; |
|
|
2209 | |
|
|
2210 | frame->prepare = prepare_nop; |
|
|
2211 | frame->check = slf_check_nop; |
|
|
2212 | } |
|
|
2213 | else if (coro_hv == (HV *)SvRV (coro_current)) |
|
|
2214 | { |
|
|
2215 | /* cancelling the current coro is allowed, and equals terminate */ |
|
|
2216 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
|
|
2217 | } |
|
|
2218 | else |
|
|
2219 | { |
|
|
2220 | struct coro *self = SvSTATE_current; |
|
|
2221 | |
|
|
2222 | /* otherwise we cancel directly, purely for speed reasons |
|
|
2223 | * unfortunately, this requires some magic trickery, as |
|
|
2224 | * somebody else could cancel us, so we have to fight the cancellation. |
|
|
2225 | * this is ugly, and hopefully fully worth the extra speed. |
|
|
2226 | * besides, I can't get the slow-but-safe version working... |
|
|
2227 | */ |
|
|
2228 | slf_frame.data = 0; |
|
|
2229 | self->flags |= CF_NOCANCEL; |
|
|
2230 | coro_state_destroy (aTHX_ coro); |
|
|
2231 | self->flags &= ~CF_NOCANCEL; |
|
|
2232 | |
|
|
2233 | if (slf_frame.data) |
|
|
2234 | { |
|
|
2235 | /* while we were busy we have been cancelled, so terminate */ |
|
|
2236 | slf_init_terminate_cancel_common (aTHX_ frame, self->hv); |
|
|
2237 | } |
|
|
2238 | else |
|
|
2239 | { |
|
|
2240 | frame->prepare = prepare_nop; |
|
|
2241 | frame->check = slf_check_nop; |
|
|
2242 | } |
|
|
2243 | } |
|
|
2244 | } |
|
|
2245 | |
|
|
2246 | static int |
|
|
2247 | slf_check_safe_cancel (pTHX_ struct CoroSLF *frame) |
|
|
2248 | { |
|
|
2249 | frame->prepare = 0; |
|
|
2250 | coro_unwind_stacks (aTHX); |
|
|
2251 | |
|
|
2252 | slf_init_terminate_cancel_common (aTHX_ frame, (HV *)SvRV (coro_current)); |
|
|
2253 | |
|
|
2254 | return 1; |
|
|
2255 | } |
|
|
2256 | |
|
|
2257 | static int |
|
|
2258 | safe_cancel (pTHX_ struct coro *coro, SV **arg, int items) |
|
|
2259 | { |
|
|
2260 | if (coro->cctx) |
|
|
2261 | croak ("coro inside C callback, unable to cancel at this time, caught"); |
|
|
2262 | |
|
|
2263 | if (coro->flags & CF_NEW) |
|
|
2264 | { |
|
|
2265 | coro_set_status (aTHX_ coro, arg, items); |
|
|
2266 | coro_state_destroy (aTHX_ coro); |
|
|
2267 | } |
|
|
2268 | else |
|
|
2269 | { |
|
|
2270 | if (!coro->slf_frame.prepare) |
|
|
2271 | croak ("coro outside an SLF function, unable to cancel at this time, caught"); |
|
|
2272 | |
|
|
2273 | slf_destroy (aTHX_ coro); |
|
|
2274 | |
|
|
2275 | coro_set_status (aTHX_ coro, arg, items); |
|
|
2276 | coro->slf_frame.prepare = prepare_nop; |
|
|
2277 | coro->slf_frame.check = slf_check_safe_cancel; |
|
|
2278 | |
|
|
2279 | api_ready (aTHX_ (SV *)coro->hv); |
|
|
2280 | } |
|
|
2281 | |
|
|
2282 | return 1; |
1830 | } |
2283 | } |
1831 | |
2284 | |
1832 | /*****************************************************************************/ |
2285 | /*****************************************************************************/ |
1833 | /* async pool handler */ |
2286 | /* async pool handler */ |
1834 | |
2287 | |
… | |
… | |
1865 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2318 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
1866 | { |
2319 | { |
1867 | HV *hv = (HV *)SvRV (coro_current); |
2320 | HV *hv = (HV *)SvRV (coro_current); |
1868 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
2321 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
1869 | |
2322 | |
1870 | if (expect_true (coro->saved_deffh)) |
2323 | if (ecb_expect_true (coro->saved_deffh)) |
1871 | { |
2324 | { |
1872 | /* subsequent iteration */ |
2325 | /* subsequent iteration */ |
1873 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
2326 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
1874 | coro->saved_deffh = 0; |
2327 | coro->saved_deffh = 0; |
1875 | |
2328 | |
1876 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
2329 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
1877 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
2330 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
1878 | { |
2331 | { |
1879 | coro->invoke_cb = SvREFCNT_inc_NN ((SV *)cv_coro_terminate); |
2332 | slf_init_terminate_cancel_common (aTHX_ frame, hv); |
1880 | coro->invoke_av = newAV (); |
2333 | return; |
1881 | |
|
|
1882 | frame->prepare = prepare_nop; |
|
|
1883 | } |
2334 | } |
1884 | else |
2335 | else |
1885 | { |
2336 | { |
1886 | av_clear (GvAV (PL_defgv)); |
2337 | av_clear (GvAV (PL_defgv)); |
1887 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
2338 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
… | |
… | |
1912 | |
2363 | |
1913 | static void |
2364 | static void |
1914 | coro_rouse_callback (pTHX_ CV *cv) |
2365 | coro_rouse_callback (pTHX_ CV *cv) |
1915 | { |
2366 | { |
1916 | dXSARGS; |
2367 | dXSARGS; |
1917 | SV *data = (SV *)GENSUB_ARG; |
2368 | SV *data = (SV *)S_GENSUB_ARG; |
1918 | |
2369 | |
1919 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2370 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
1920 | { |
2371 | { |
1921 | /* first call, set args */ |
2372 | /* first call, set args */ |
|
|
2373 | SV *coro = SvRV (data); |
1922 | AV *av = newAV (); |
2374 | AV *av = newAV (); |
1923 | SV *coro = SvRV (data); |
|
|
1924 | |
2375 | |
1925 | SvRV_set (data, (SV *)av); |
2376 | SvRV_set (data, (SV *)av); |
1926 | api_ready (aTHX_ coro); |
|
|
1927 | SvREFCNT_dec (coro); |
|
|
1928 | |
2377 | |
1929 | /* better take a full copy of the arguments */ |
2378 | /* better take a full copy of the arguments */ |
1930 | while (items--) |
2379 | while (items--) |
1931 | av_store (av, items, newSVsv (ST (items))); |
2380 | av_store (av, items, newSVsv (ST (items))); |
|
|
2381 | |
|
|
2382 | api_ready (aTHX_ coro); |
|
|
2383 | SvREFCNT_dec (coro); |
1932 | } |
2384 | } |
1933 | |
2385 | |
1934 | XSRETURN_EMPTY; |
2386 | XSRETURN_EMPTY; |
1935 | } |
2387 | } |
1936 | |
2388 | |
… | |
… | |
1953 | |
2405 | |
1954 | EXTEND (SP, AvFILLp (av) + 1); |
2406 | EXTEND (SP, AvFILLp (av) + 1); |
1955 | for (i = 0; i <= AvFILLp (av); ++i) |
2407 | for (i = 0; i <= AvFILLp (av); ++i) |
1956 | PUSHs (sv_2mortal (AvARRAY (av)[i])); |
2408 | PUSHs (sv_2mortal (AvARRAY (av)[i])); |
1957 | |
2409 | |
1958 | /* we have stolen the elements, so ste length to zero and free */ |
2410 | /* we have stolen the elements, so set length to zero and free */ |
1959 | AvFILLp (av) = -1; |
2411 | AvFILLp (av) = -1; |
1960 | av_undef (av); |
2412 | av_undef (av); |
1961 | |
2413 | |
1962 | PUTBACK; |
2414 | PUTBACK; |
1963 | } |
2415 | } |
… | |
… | |
1987 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2439 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
1988 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2440 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
1989 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2441 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
1990 | |
2442 | |
1991 | { |
2443 | { |
1992 | CV *cv = (CV *)SvRV (cb); /* for GENSUB_ARG */ |
2444 | CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ |
1993 | SV *data = (SV *)GENSUB_ARG; |
2445 | SV *data = (SV *)S_GENSUB_ARG; |
1994 | |
2446 | |
1995 | frame->data = (void *)data; |
2447 | frame->data = (void *)data; |
1996 | frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule; |
2448 | frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule; |
1997 | frame->check = slf_check_rouse_wait; |
2449 | frame->check = slf_check_rouse_wait; |
1998 | } |
2450 | } |
… | |
… | |
2002 | coro_new_rouse_cb (pTHX) |
2454 | coro_new_rouse_cb (pTHX) |
2003 | { |
2455 | { |
2004 | HV *hv = (HV *)SvRV (coro_current); |
2456 | HV *hv = (HV *)SvRV (coro_current); |
2005 | struct coro *coro = SvSTATE_hv (hv); |
2457 | struct coro *coro = SvSTATE_hv (hv); |
2006 | SV *data = newRV_inc ((SV *)hv); |
2458 | SV *data = newRV_inc ((SV *)hv); |
2007 | SV *cb = gensub (aTHX_ coro_rouse_callback, (void *)data); |
2459 | SV *cb = s_gensub (aTHX_ coro_rouse_callback, (void *)data); |
2008 | |
2460 | |
2009 | sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0); |
2461 | sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0); |
2010 | SvREFCNT_dec (data); /* magicext increases the refcount */ |
2462 | SvREFCNT_dec (data); /* magicext increases the refcount */ |
2011 | |
2463 | |
2012 | SvREFCNT_dec (coro->rouse_cb); |
2464 | SvREFCNT_dec (coro->rouse_cb); |
… | |
… | |
2109 | static void |
2561 | static void |
2110 | slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2562 | slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2111 | { |
2563 | { |
2112 | frame->prepare = prepare_cede_notself; |
2564 | frame->prepare = prepare_cede_notself; |
2113 | frame->check = slf_check_nop; |
2565 | frame->check = slf_check_nop; |
|
|
2566 | } |
|
|
2567 | |
|
|
2568 | /* "undo"/cancel a running slf call - used when cancelling a coro, mainly */ |
|
|
2569 | static void |
|
|
2570 | slf_destroy (pTHX_ struct coro *coro) |
|
|
2571 | { |
|
|
2572 | /* this callback is reserved for slf functions needing to do cleanup */ |
|
|
2573 | if (coro->slf_frame.destroy && coro->slf_frame.prepare && !PL_dirty) |
|
|
2574 | coro->slf_frame.destroy (aTHX_ &coro->slf_frame); |
|
|
2575 | |
|
|
2576 | /* |
|
|
2577 | * The on_destroy above most likely is from an SLF call. |
|
|
2578 | * Since by definition the SLF call will not finish when we destroy |
|
|
2579 | * the coro, we will have to force-finish it here, otherwise |
|
|
2580 | * cleanup functions cannot call SLF functions. |
|
|
2581 | */ |
|
|
2582 | coro->slf_frame.prepare = 0; |
2114 | } |
2583 | } |
2115 | |
2584 | |
2116 | /* |
2585 | /* |
2117 | * these not obviously related functions are all rolled into one |
2586 | * these not obviously related functions are all rolled into one |
2118 | * function to increase chances that they all will call transfer with the same |
2587 | * function to increase chances that they all will call transfer with the same |
… | |
… | |
2125 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
2594 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
2126 | |
2595 | |
2127 | /* set up the slf frame, unless it has already been set-up */ |
2596 | /* set up the slf frame, unless it has already been set-up */ |
2128 | /* the latter happens when a new coro has been started */ |
2597 | /* the latter happens when a new coro has been started */ |
2129 | /* or when a new cctx was attached to an existing coroutine */ |
2598 | /* or when a new cctx was attached to an existing coroutine */ |
2130 | if (expect_true (!slf_frame.prepare)) |
2599 | if (ecb_expect_true (!slf_frame.prepare)) |
2131 | { |
2600 | { |
2132 | /* first iteration */ |
2601 | /* first iteration */ |
2133 | dSP; |
2602 | dSP; |
2134 | SV **arg = PL_stack_base + TOPMARK + 1; |
2603 | SV **arg = PL_stack_base + TOPMARK + 1; |
2135 | int items = SP - arg; /* args without function object */ |
2604 | int items = SP - arg; /* args without function object */ |
… | |
… | |
2176 | while (slf_frame.check (aTHX_ &slf_frame)); |
2645 | while (slf_frame.check (aTHX_ &slf_frame)); |
2177 | |
2646 | |
2178 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
2647 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
2179 | |
2648 | |
2180 | /* exception handling */ |
2649 | /* exception handling */ |
2181 | if (expect_false (CORO_THROW)) |
2650 | if (ecb_expect_false (CORO_THROW)) |
2182 | { |
2651 | { |
2183 | SV *exception = sv_2mortal (CORO_THROW); |
2652 | SV *exception = sv_2mortal (CORO_THROW); |
2184 | |
2653 | |
2185 | CORO_THROW = 0; |
2654 | CORO_THROW = 0; |
2186 | sv_setsv (ERRSV, exception); |
2655 | sv_setsv (ERRSV, exception); |
2187 | croak (0); |
2656 | croak (0); |
2188 | } |
2657 | } |
2189 | |
2658 | |
2190 | /* return value handling - mostly like entersub */ |
2659 | /* return value handling - mostly like entersub */ |
2191 | /* make sure we put something on the stack in scalar context */ |
2660 | /* make sure we put something on the stack in scalar context */ |
2192 | if (GIMME_V == G_SCALAR) |
2661 | if (GIMME_V == G_SCALAR |
|
|
2662 | && ecb_expect_false (PL_stack_sp != PL_stack_base + checkmark + 1)) |
2193 | { |
2663 | { |
2194 | dSP; |
2664 | dSP; |
2195 | SV **bot = PL_stack_base + checkmark; |
2665 | SV **bot = PL_stack_base + checkmark; |
2196 | |
2666 | |
2197 | if (sp == bot) /* too few, push undef */ |
2667 | if (sp == bot) /* too few, push undef */ |
2198 | bot [1] = &PL_sv_undef; |
2668 | bot [1] = &PL_sv_undef; |
2199 | else if (sp != bot + 1) /* too many, take last one */ |
2669 | else /* too many, take last one */ |
2200 | bot [1] = *sp; |
2670 | bot [1] = *sp; |
2201 | |
2671 | |
2202 | SP = bot + 1; |
2672 | SP = bot + 1; |
2203 | |
2673 | |
2204 | PUTBACK; |
2674 | PUTBACK; |
… | |
… | |
2237 | if (PL_op->op_flags & OPf_STACKED) |
2707 | if (PL_op->op_flags & OPf_STACKED) |
2238 | { |
2708 | { |
2239 | if (items > slf_arga) |
2709 | if (items > slf_arga) |
2240 | { |
2710 | { |
2241 | slf_arga = items; |
2711 | slf_arga = items; |
2242 | free (slf_argv); |
2712 | Safefree (slf_argv); |
2243 | slf_argv = malloc (slf_arga * sizeof (SV *)); |
2713 | New (0, slf_argv, slf_arga, SV *); |
2244 | } |
2714 | } |
2245 | |
2715 | |
2246 | slf_argc = items; |
2716 | slf_argc = items; |
2247 | |
2717 | |
2248 | for (i = 0; i < items; ++i) |
2718 | for (i = 0; i < items; ++i) |
… | |
… | |
2250 | } |
2720 | } |
2251 | else |
2721 | else |
2252 | slf_argc = 0; |
2722 | slf_argc = 0; |
2253 | |
2723 | |
2254 | PL_op->op_ppaddr = pp_slf; |
2724 | PL_op->op_ppaddr = pp_slf; |
2255 | PL_op->op_type = OP_CUSTOM; /* maybe we should leave it at entersub? */ |
2725 | /*PL_op->op_type = OP_CUSTOM; /* we do behave like entersub still */ |
2256 | |
2726 | |
2257 | PL_op = (OP *)&slf_restore; |
2727 | PL_op = (OP *)&slf_restore; |
|
|
2728 | } |
|
|
2729 | |
|
|
2730 | /*****************************************************************************/ |
|
|
2731 | /* dynamic wind */ |
|
|
2732 | |
|
|
2733 | static void |
|
|
2734 | on_enterleave_call (pTHX_ SV *cb) |
|
|
2735 | { |
|
|
2736 | dSP; |
|
|
2737 | |
|
|
2738 | PUSHSTACK; |
|
|
2739 | |
|
|
2740 | PUSHMARK (SP); |
|
|
2741 | PUTBACK; |
|
|
2742 | call_sv (cb, G_VOID | G_DISCARD); |
|
|
2743 | SPAGAIN; |
|
|
2744 | |
|
|
2745 | POPSTACK; |
|
|
2746 | } |
|
|
2747 | |
|
|
2748 | static SV * |
|
|
2749 | coro_avp_pop_and_free (pTHX_ AV **avp) |
|
|
2750 | { |
|
|
2751 | AV *av = *avp; |
|
|
2752 | SV *res = av_pop (av); |
|
|
2753 | |
|
|
2754 | if (AvFILLp (av) < 0) |
|
|
2755 | { |
|
|
2756 | *avp = 0; |
|
|
2757 | SvREFCNT_dec (av); |
|
|
2758 | } |
|
|
2759 | |
|
|
2760 | return res; |
|
|
2761 | } |
|
|
2762 | |
|
|
2763 | static void |
|
|
2764 | coro_pop_on_enter (pTHX_ void *coro) |
|
|
2765 | { |
|
|
2766 | SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_enter); |
|
|
2767 | SvREFCNT_dec (cb); |
|
|
2768 | } |
|
|
2769 | |
|
|
2770 | static void |
|
|
2771 | coro_pop_on_leave (pTHX_ void *coro) |
|
|
2772 | { |
|
|
2773 | SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_leave); |
|
|
2774 | on_enterleave_call (aTHX_ sv_2mortal (cb)); |
2258 | } |
2775 | } |
2259 | |
2776 | |
2260 | /*****************************************************************************/ |
2777 | /*****************************************************************************/ |
2261 | /* PerlIO::cede */ |
2778 | /* PerlIO::cede */ |
2262 | |
2779 | |
… | |
… | |
2264 | { |
2781 | { |
2265 | PerlIOBuf base; |
2782 | PerlIOBuf base; |
2266 | NV next, every; |
2783 | NV next, every; |
2267 | } PerlIOCede; |
2784 | } PerlIOCede; |
2268 | |
2785 | |
2269 | static IV |
2786 | static IV ecb_cold |
2270 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
2787 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
2271 | { |
2788 | { |
2272 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2789 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2273 | |
2790 | |
2274 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
2791 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
2275 | self->next = nvtime () + self->every; |
2792 | self->next = nvtime () + self->every; |
2276 | |
2793 | |
2277 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
2794 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
2278 | } |
2795 | } |
2279 | |
2796 | |
2280 | static SV * |
2797 | static SV * ecb_cold |
2281 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
2798 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
2282 | { |
2799 | { |
2283 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2800 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2284 | |
2801 | |
2285 | return newSVnv (self->every); |
2802 | return newSVnv (self->every); |
… | |
… | |
2336 | /* Coro::Semaphore & Coro::Signal */ |
2853 | /* Coro::Semaphore & Coro::Signal */ |
2337 | |
2854 | |
2338 | static SV * |
2855 | static SV * |
2339 | coro_waitarray_new (pTHX_ int count) |
2856 | coro_waitarray_new (pTHX_ int count) |
2340 | { |
2857 | { |
2341 | /* a semaphore contains a counter IV in $sem->[0] and any waiters after that */ |
2858 | /* a waitarray=semaphore contains a counter IV in $sem->[0] and any waiters after that */ |
2342 | AV *av = newAV (); |
2859 | AV *av = newAV (); |
2343 | SV **ary; |
2860 | SV **ary; |
2344 | |
2861 | |
2345 | /* unfortunately, building manually saves memory */ |
2862 | /* unfortunately, building manually saves memory */ |
2346 | Newx (ary, 2, SV *); |
2863 | Newx (ary, 2, SV *); |
2347 | AvALLOC (av) = ary; |
2864 | AvALLOC (av) = ary; |
|
|
2865 | #if PERL_VERSION_ATLEAST (5,10,0) |
2348 | /*AvARRAY (av) = ary;*/ |
2866 | AvARRAY (av) = ary; |
|
|
2867 | #else |
2349 | SvPVX ((SV *)av) = (char *)ary; /* 5.8.8 needs this syntax instead of AvARRAY = ary */ |
2868 | /* 5.8.8 needs this syntax instead of AvARRAY = ary, yet */ |
|
|
2869 | /* -DDEBUGGING flags this as a bug, despite it perfectly working */ |
|
|
2870 | SvPVX ((SV *)av) = (char *)ary; |
|
|
2871 | #endif |
2350 | AvMAX (av) = 1; |
2872 | AvMAX (av) = 1; |
2351 | AvFILLp (av) = 0; |
2873 | AvFILLp (av) = 0; |
2352 | ary [0] = newSViv (count); |
2874 | ary [0] = newSViv (count); |
2353 | |
2875 | |
2354 | return newRV_noinc ((SV *)av); |
2876 | return newRV_noinc ((SV *)av); |
… | |
… | |
2392 | SvREFCNT_dec (cb); |
2914 | SvREFCNT_dec (cb); |
2393 | } |
2915 | } |
2394 | } |
2916 | } |
2395 | |
2917 | |
2396 | static void |
2918 | static void |
2397 | coro_semaphore_on_destroy (pTHX_ struct coro *coro) |
2919 | coro_semaphore_destroy (pTHX_ struct CoroSLF *frame) |
2398 | { |
2920 | { |
2399 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
2921 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
2400 | coro_semaphore_adjust (aTHX_ (AV *)coro->slf_frame.data, 0); |
2922 | coro_semaphore_adjust (aTHX_ (AV *)frame->data, 0); |
2401 | } |
2923 | } |
2402 | |
2924 | |
2403 | static int |
2925 | static int |
2404 | slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire) |
2926 | slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire) |
2405 | { |
2927 | { |
2406 | AV *av = (AV *)frame->data; |
2928 | AV *av = (AV *)frame->data; |
2407 | SV *count_sv = AvARRAY (av)[0]; |
2929 | SV *count_sv = AvARRAY (av)[0]; |
|
|
2930 | SV *coro_hv = SvRV (coro_current); |
2408 | |
2931 | |
2409 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2932 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2410 | if (CORO_THROW) |
2933 | if (CORO_THROW) |
2411 | return 0; |
2934 | return 0; |
2412 | else if (SvIVX (count_sv) > 0) |
2935 | else if (SvIVX (count_sv) > 0) |
2413 | { |
2936 | { |
2414 | SvSTATE_current->on_destroy = 0; |
2937 | frame->destroy = 0; |
2415 | |
2938 | |
2416 | if (acquire) |
2939 | if (acquire) |
2417 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2940 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2418 | else |
2941 | else |
2419 | coro_semaphore_adjust (aTHX_ av, 0); |
2942 | coro_semaphore_adjust (aTHX_ av, 0); |
… | |
… | |
2424 | { |
2947 | { |
2425 | int i; |
2948 | int i; |
2426 | /* if we were woken up but can't down, we look through the whole */ |
2949 | /* if we were woken up but can't down, we look through the whole */ |
2427 | /* waiters list and only add us if we aren't in there already */ |
2950 | /* waiters list and only add us if we aren't in there already */ |
2428 | /* this avoids some degenerate memory usage cases */ |
2951 | /* this avoids some degenerate memory usage cases */ |
2429 | |
2952 | for (i = AvFILLp (av); i > 0; --i) // i > 0 is not an off-by-one bug |
2430 | for (i = 1; i <= AvFILLp (av); ++i) |
|
|
2431 | if (AvARRAY (av)[i] == SvRV (coro_current)) |
2953 | if (AvARRAY (av)[i] == coro_hv) |
2432 | return 1; |
2954 | return 1; |
2433 | |
2955 | |
2434 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2956 | av_push (av, SvREFCNT_inc (coro_hv)); |
2435 | return 1; |
2957 | return 1; |
2436 | } |
2958 | } |
2437 | } |
2959 | } |
2438 | |
2960 | |
2439 | static int |
2961 | static int |
… | |
… | |
2462 | { |
2984 | { |
2463 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2985 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2464 | |
2986 | |
2465 | frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); |
2987 | frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); |
2466 | frame->prepare = prepare_schedule; |
2988 | frame->prepare = prepare_schedule; |
2467 | |
|
|
2468 | /* to avoid race conditions when a woken-up coro gets terminated */ |
2989 | /* to avoid race conditions when a woken-up coro gets terminated */ |
2469 | /* we arrange for a temporary on_destroy that calls adjust (0) */ |
2990 | /* we arrange for a temporary on_destroy that calls adjust (0) */ |
2470 | SvSTATE_current->on_destroy = coro_semaphore_on_destroy; |
2991 | frame->destroy = coro_semaphore_destroy; |
2471 | } |
2992 | } |
2472 | } |
2993 | } |
2473 | |
2994 | |
2474 | static void |
2995 | static void |
2475 | slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2996 | slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
… | |
… | |
2483 | { |
3004 | { |
2484 | if (items >= 2) |
3005 | if (items >= 2) |
2485 | { |
3006 | { |
2486 | /* callback form */ |
3007 | /* callback form */ |
2487 | AV *av = (AV *)SvRV (arg [0]); |
3008 | AV *av = (AV *)SvRV (arg [0]); |
2488 | CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]); |
3009 | SV *cb_cv = s_get_cv_croak (arg [1]); |
2489 | |
3010 | |
2490 | av_push (av, (SV *)SvREFCNT_inc_NN (cb_cv)); |
3011 | av_push (av, SvREFCNT_inc_NN (cb_cv)); |
2491 | |
3012 | |
2492 | if (SvIVX (AvARRAY (av)[0]) > 0) |
3013 | if (SvIVX (AvARRAY (av)[0]) > 0) |
2493 | coro_semaphore_adjust (aTHX_ av, 0); |
3014 | coro_semaphore_adjust (aTHX_ av, 0); |
2494 | |
3015 | |
2495 | frame->prepare = prepare_nop; |
3016 | frame->prepare = prepare_nop; |
… | |
… | |
2519 | AvARRAY (av)[0] = AvARRAY (av)[1]; |
3040 | AvARRAY (av)[0] = AvARRAY (av)[1]; |
2520 | AvARRAY (av)[1] = cb; |
3041 | AvARRAY (av)[1] = cb; |
2521 | |
3042 | |
2522 | cb = av_shift (av); |
3043 | cb = av_shift (av); |
2523 | |
3044 | |
|
|
3045 | if (SvTYPE (cb) == SVt_PVCV) |
|
|
3046 | { |
|
|
3047 | dSP; |
|
|
3048 | PUSHMARK (SP); |
|
|
3049 | XPUSHs (sv_2mortal (newRV_inc ((SV *)av))); |
|
|
3050 | PUTBACK; |
|
|
3051 | call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR); |
|
|
3052 | } |
|
|
3053 | else |
|
|
3054 | { |
2524 | api_ready (aTHX_ cb); |
3055 | api_ready (aTHX_ cb); |
2525 | sv_setiv (cb, 0); /* signal waiter */ |
3056 | sv_setiv (cb, 0); /* signal waiter */ |
|
|
3057 | } |
|
|
3058 | |
2526 | SvREFCNT_dec (cb); |
3059 | SvREFCNT_dec (cb); |
2527 | |
3060 | |
2528 | --count; |
3061 | --count; |
2529 | } |
3062 | } |
2530 | } |
3063 | } |
… | |
… | |
2539 | static void |
3072 | static void |
2540 | slf_init_signal_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
3073 | slf_init_signal_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2541 | { |
3074 | { |
2542 | AV *av = (AV *)SvRV (arg [0]); |
3075 | AV *av = (AV *)SvRV (arg [0]); |
2543 | |
3076 | |
|
|
3077 | if (items >= 2) |
|
|
3078 | { |
|
|
3079 | SV *cb_cv = s_get_cv_croak (arg [1]); |
|
|
3080 | av_push (av, SvREFCNT_inc_NN (cb_cv)); |
|
|
3081 | |
2544 | if (SvIVX (AvARRAY (av)[0])) |
3082 | if (SvIVX (AvARRAY (av)[0])) |
|
|
3083 | coro_signal_wake (aTHX_ av, 1); /* must be the only waiter */ |
|
|
3084 | |
|
|
3085 | frame->prepare = prepare_nop; |
|
|
3086 | frame->check = slf_check_nop; |
|
|
3087 | } |
|
|
3088 | else if (SvIVX (AvARRAY (av)[0])) |
2545 | { |
3089 | { |
2546 | SvIVX (AvARRAY (av)[0]) = 0; |
3090 | SvIVX (AvARRAY (av)[0]) = 0; |
2547 | frame->prepare = prepare_nop; |
3091 | frame->prepare = prepare_nop; |
2548 | frame->check = slf_check_nop; |
3092 | frame->check = slf_check_nop; |
2549 | } |
3093 | } |
2550 | else |
3094 | else |
2551 | { |
3095 | { |
2552 | SV *waiter = newRV_inc (SvRV (coro_current)); /* owned by signal av */ |
3096 | SV *waiter = newSVsv (coro_current); /* owned by signal av */ |
2553 | |
3097 | |
2554 | av_push (av, waiter); |
3098 | av_push (av, waiter); |
2555 | |
3099 | |
2556 | frame->data = (void *)sv_2mortal (SvREFCNT_inc_NN (waiter)); /* owned by process */ |
3100 | frame->data = (void *)sv_2mortal (SvREFCNT_inc_NN (waiter)); /* owned by process */ |
2557 | frame->prepare = prepare_schedule; |
3101 | frame->prepare = prepare_schedule; |
… | |
… | |
2575 | |
3119 | |
2576 | static void |
3120 | static void |
2577 | coro_aio_callback (pTHX_ CV *cv) |
3121 | coro_aio_callback (pTHX_ CV *cv) |
2578 | { |
3122 | { |
2579 | dXSARGS; |
3123 | dXSARGS; |
2580 | AV *state = (AV *)GENSUB_ARG; |
3124 | AV *state = (AV *)S_GENSUB_ARG; |
2581 | SV *coro = av_pop (state); |
3125 | SV *coro = av_pop (state); |
2582 | SV *data_sv = newSV (sizeof (struct io_state)); |
3126 | SV *data_sv = newSV (sizeof (struct io_state)); |
2583 | |
3127 | |
2584 | av_extend (state, items - 1); |
3128 | av_extend (state, items - 1); |
2585 | |
3129 | |
… | |
… | |
2670 | dSP; |
3214 | dSP; |
2671 | |
3215 | |
2672 | static SV *prio_cv; |
3216 | static SV *prio_cv; |
2673 | static SV *prio_sv; |
3217 | static SV *prio_sv; |
2674 | |
3218 | |
2675 | if (expect_false (!prio_cv)) |
3219 | if (ecb_expect_false (!prio_cv)) |
2676 | { |
3220 | { |
2677 | prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0); |
3221 | prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0); |
2678 | prio_sv = newSViv (0); |
3222 | prio_sv = newSViv (0); |
2679 | } |
3223 | } |
2680 | |
3224 | |
… | |
… | |
2699 | |
3243 | |
2700 | for (i = 0; i < items; ++i) |
3244 | for (i = 0; i < items; ++i) |
2701 | PUSHs (arg [i]); |
3245 | PUSHs (arg [i]); |
2702 | |
3246 | |
2703 | /* now push the callback closure */ |
3247 | /* now push the callback closure */ |
2704 | PUSHs (sv_2mortal (gensub (aTHX_ coro_aio_callback, (void *)SvREFCNT_inc_NN ((SV *)state)))); |
3248 | PUSHs (sv_2mortal (s_gensub (aTHX_ coro_aio_callback, (void *)SvREFCNT_inc_NN ((SV *)state)))); |
2705 | |
3249 | |
2706 | /* now call the AIO function - we assume our request is uncancelable */ |
3250 | /* now call the AIO function - we assume our request is uncancelable */ |
2707 | PUTBACK; |
3251 | PUTBACK; |
2708 | call_sv ((SV *)req, G_VOID | G_DISCARD); |
3252 | call_sv ((SV *)req, G_VOID | G_DISCARD); |
2709 | } |
3253 | } |
2710 | |
3254 | |
2711 | /* now that the requets is going, we loop toll we have a result */ |
3255 | /* now that the request is going, we loop till we have a result */ |
2712 | frame->data = (void *)state; |
3256 | frame->data = (void *)state; |
2713 | frame->prepare = prepare_schedule; |
3257 | frame->prepare = prepare_schedule; |
2714 | frame->check = slf_check_aio_req; |
3258 | frame->check = slf_check_aio_req; |
2715 | } |
3259 | } |
2716 | |
3260 | |
… | |
… | |
2723 | |
3267 | |
2724 | XSRETURN_EMPTY; |
3268 | XSRETURN_EMPTY; |
2725 | } |
3269 | } |
2726 | |
3270 | |
2727 | /*****************************************************************************/ |
3271 | /*****************************************************************************/ |
|
|
3272 | |
|
|
3273 | #if CORO_CLONE |
|
|
3274 | # include "clone.c" |
|
|
3275 | #endif |
|
|
3276 | |
|
|
3277 | /*****************************************************************************/ |
|
|
3278 | |
|
|
3279 | static SV * |
|
|
3280 | coro_new (pTHX_ HV *stash, SV **argv, int argc, int is_coro) |
|
|
3281 | { |
|
|
3282 | SV *coro_sv; |
|
|
3283 | struct coro *coro; |
|
|
3284 | MAGIC *mg; |
|
|
3285 | HV *hv; |
|
|
3286 | SV *cb; |
|
|
3287 | int i; |
|
|
3288 | |
|
|
3289 | if (argc > 0) |
|
|
3290 | { |
|
|
3291 | cb = s_get_cv_croak (argv [0]); |
|
|
3292 | |
|
|
3293 | if (!is_coro) |
|
|
3294 | { |
|
|
3295 | if (CvISXSUB (cb)) |
|
|
3296 | croak ("Coro::State doesn't support XS functions as coroutine start, caught"); |
|
|
3297 | |
|
|
3298 | if (!CvROOT (cb)) |
|
|
3299 | croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught"); |
|
|
3300 | } |
|
|
3301 | } |
|
|
3302 | |
|
|
3303 | Newz (0, coro, 1, struct coro); |
|
|
3304 | coro->args = newAV (); |
|
|
3305 | coro->flags = CF_NEW; |
|
|
3306 | |
|
|
3307 | if (coro_first) coro_first->prev = coro; |
|
|
3308 | coro->next = coro_first; |
|
|
3309 | coro_first = coro; |
|
|
3310 | |
|
|
3311 | coro->hv = hv = newHV (); |
|
|
3312 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
|
|
3313 | mg->mg_flags |= MGf_DUP; |
|
|
3314 | coro_sv = sv_bless (newRV_noinc ((SV *)hv), stash); |
|
|
3315 | |
|
|
3316 | if (argc > 0) |
|
|
3317 | { |
|
|
3318 | av_extend (coro->args, argc + is_coro - 1); |
|
|
3319 | |
|
|
3320 | if (is_coro) |
|
|
3321 | { |
|
|
3322 | av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb)); |
|
|
3323 | cb = (SV *)cv_coro_run; |
|
|
3324 | } |
|
|
3325 | |
|
|
3326 | coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb); |
|
|
3327 | |
|
|
3328 | for (i = 1; i < argc; i++) |
|
|
3329 | av_push (coro->args, newSVsv (argv [i])); |
|
|
3330 | } |
|
|
3331 | |
|
|
3332 | return coro_sv; |
|
|
3333 | } |
|
|
3334 | |
|
|
3335 | #ifndef __cplusplus |
|
|
3336 | ecb_cold XS(boot_Coro__State); |
|
|
3337 | #endif |
|
|
3338 | |
|
|
3339 | #if CORO_JIT |
|
|
3340 | |
|
|
3341 | static void ecb_noinline ecb_cold |
|
|
3342 | pushav_3uv (pTHX_ UV a, UV b, UV c) |
|
|
3343 | { |
|
|
3344 | dSP; |
|
|
3345 | AV *av = newAV (); |
|
|
3346 | |
|
|
3347 | av_store (av, 2, newSVuv (c)); |
|
|
3348 | av_store (av, 1, newSVuv (b)); |
|
|
3349 | av_store (av, 0, newSVuv (a)); |
|
|
3350 | |
|
|
3351 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
3352 | |
|
|
3353 | PUTBACK; |
|
|
3354 | } |
|
|
3355 | |
|
|
3356 | static void ecb_noinline ecb_cold |
|
|
3357 | jit_init (pTHX) |
|
|
3358 | { |
|
|
3359 | dSP; |
|
|
3360 | SV *load, *save; |
|
|
3361 | char *map_base; |
|
|
3362 | char *load_ptr, *save_ptr; |
|
|
3363 | STRLEN load_len, save_len; |
|
|
3364 | int count; |
|
|
3365 | |
|
|
3366 | PUSHMARK (SP); |
|
|
3367 | PUTBACK; |
|
|
3368 | #define VARx(name,expr,type) pushav_3uv (aTHX_ (UV)&(expr), offsetof (perl_slots, name), sizeof (type)); |
|
|
3369 | # include "state.h" |
|
|
3370 | #undef VARx |
|
|
3371 | count = call_pv ("Coro::State::_jit", G_ARRAY); |
|
|
3372 | SPAGAIN; |
|
|
3373 | |
|
|
3374 | save = POPs; save_ptr = SvPVbyte (save, save_len); |
|
|
3375 | load = POPs; load_ptr = SvPVbyte (load, load_len); |
|
|
3376 | |
|
|
3377 | map_base = mmap (0, load_len + save_len + 16, PROT_EXEC | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); |
|
|
3378 | |
|
|
3379 | assert (("Coro: unable mmap jit code page, cannot continue.", map_base != (char *)MAP_FAILED)); |
|
|
3380 | |
|
|
3381 | load_perl_slots = (load_save_perl_slots_type)map_base; |
|
|
3382 | memcpy (map_base, load_ptr, load_len); |
|
|
3383 | |
|
|
3384 | map_base += (load_len + 15) & ~15; |
|
|
3385 | |
|
|
3386 | save_perl_slots = (load_save_perl_slots_type)map_base; |
|
|
3387 | memcpy (map_base, save_ptr, save_len); |
|
|
3388 | } |
|
|
3389 | |
|
|
3390 | #endif |
2728 | |
3391 | |
2729 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
3392 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
2730 | |
3393 | |
2731 | PROTOTYPES: DISABLE |
3394 | PROTOTYPES: DISABLE |
2732 | |
3395 | |
… | |
… | |
2737 | coro_thx = PERL_GET_CONTEXT; |
3400 | coro_thx = PERL_GET_CONTEXT; |
2738 | # endif |
3401 | # endif |
2739 | #endif |
3402 | #endif |
2740 | BOOT_PAGESIZE; |
3403 | BOOT_PAGESIZE; |
2741 | |
3404 | |
|
|
3405 | /* perl defines these to check for existance first, but why it doesn't */ |
|
|
3406 | /* just create them one at init time is not clear to me, except for */ |
|
|
3407 | /* programs trying to delete them, but... */ |
|
|
3408 | /* anyway, we declare this as invalid and make sure they are initialised here */ |
|
|
3409 | DEFSV; |
|
|
3410 | ERRSV; |
|
|
3411 | |
|
|
3412 | cctx_current = cctx_new_empty (); |
|
|
3413 | |
2742 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3414 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
2743 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3415 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
2744 | |
3416 | |
2745 | orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get; |
3417 | 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; |
3418 | orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set; |
… | |
… | |
2783 | coroapi.prepare_nop = prepare_nop; |
3455 | coroapi.prepare_nop = prepare_nop; |
2784 | coroapi.prepare_schedule = prepare_schedule; |
3456 | coroapi.prepare_schedule = prepare_schedule; |
2785 | coroapi.prepare_cede = prepare_cede; |
3457 | coroapi.prepare_cede = prepare_cede; |
2786 | coroapi.prepare_cede_notself = prepare_cede_notself; |
3458 | coroapi.prepare_cede_notself = prepare_cede_notself; |
2787 | |
3459 | |
2788 | { |
3460 | time_init (aTHX); |
2789 | SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
|
|
2790 | |
3461 | |
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)); |
3462 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
|
|
3463 | #if CORO_JIT |
|
|
3464 | PUTBACK; |
|
|
3465 | require_pv ("Coro/jit-" CORO_JIT_TYPE ".pl"); |
|
|
3466 | jit_init (aTHX); |
|
|
3467 | perl_eval_pv ("undef &Coro::State::_jit", 1); |
|
|
3468 | SPAGAIN; |
|
|
3469 | #endif |
2798 | } |
3470 | } |
2799 | |
3471 | |
2800 | SV * |
3472 | SV * |
2801 | new (char *klass, ...) |
3473 | new (SV *klass, ...) |
2802 | ALIAS: |
3474 | ALIAS: |
2803 | Coro::new = 1 |
3475 | Coro::new = 1 |
2804 | CODE: |
3476 | CODE: |
2805 | { |
3477 | RETVAL = coro_new (aTHX_ ix ? coro_stash : coro_state_stash, &ST (1), items - 1, ix); |
2806 | struct coro *coro; |
3478 | 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 |
3479 | RETVAL |
2857 | |
3480 | |
2858 | void |
3481 | void |
2859 | transfer (...) |
3482 | transfer (...) |
2860 | PROTOTYPE: $$ |
3483 | PROTOTYPE: $$ |
2861 | CODE: |
3484 | CODE: |
2862 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3485 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
2863 | |
3486 | |
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 |
3487 | void |
2872 | _exit (int code) |
3488 | _exit (int code) |
2873 | PROTOTYPE: $ |
3489 | PROTOTYPE: $ |
2874 | CODE: |
3490 | CODE: |
2875 | _exit (code); |
3491 | _exit (code); |
|
|
3492 | |
|
|
3493 | SV * |
|
|
3494 | clone (Coro::State coro) |
|
|
3495 | CODE: |
|
|
3496 | { |
|
|
3497 | #if CORO_CLONE |
|
|
3498 | struct coro *ncoro = coro_clone (aTHX_ coro); |
|
|
3499 | MAGIC *mg; |
|
|
3500 | /* TODO: too much duplication */ |
|
|
3501 | ncoro->hv = newHV (); |
|
|
3502 | mg = sv_magicext ((SV *)ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)ncoro, 0); |
|
|
3503 | mg->mg_flags |= MGf_DUP; |
|
|
3504 | RETVAL = sv_bless (newRV_noinc ((SV *)ncoro->hv), SvSTASH (coro->hv)); |
|
|
3505 | #else |
|
|
3506 | croak ("Coro::State->clone has not been configured into this installation of Coro, realised"); |
|
|
3507 | #endif |
|
|
3508 | } |
|
|
3509 | OUTPUT: |
|
|
3510 | RETVAL |
2876 | |
3511 | |
2877 | int |
3512 | int |
2878 | cctx_stacksize (int new_stacksize = 0) |
3513 | cctx_stacksize (int new_stacksize = 0) |
2879 | PROTOTYPE: ;$ |
3514 | PROTOTYPE: ;$ |
2880 | CODE: |
3515 | CODE: |
… | |
… | |
2930 | eval = 1 |
3565 | eval = 1 |
2931 | CODE: |
3566 | CODE: |
2932 | { |
3567 | { |
2933 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
3568 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
2934 | { |
3569 | { |
2935 | struct coro temp; |
3570 | struct coro *current = SvSTATE_current; |
|
|
3571 | struct CoroSLF slf_save; |
2936 | |
3572 | |
2937 | if (!(coro->flags & CF_RUNNING)) |
3573 | if (current != coro) |
2938 | { |
3574 | { |
2939 | PUTBACK; |
3575 | PUTBACK; |
2940 | save_perl (aTHX_ &temp); |
3576 | save_perl (aTHX_ current); |
2941 | load_perl (aTHX_ coro); |
3577 | load_perl (aTHX_ coro); |
|
|
3578 | /* the coro is most likely in an active SLF call. |
|
|
3579 | * while not strictly required (the code we execute is |
|
|
3580 | * not allowed to call any SLF functions), it's cleaner |
|
|
3581 | * to reinitialise the slf_frame and restore it later. |
|
|
3582 | * This might one day allow us to actually do SLF calls |
|
|
3583 | * from code executed here. |
|
|
3584 | */ |
|
|
3585 | slf_save = slf_frame; |
|
|
3586 | slf_frame.prepare = 0; |
|
|
3587 | SPAGAIN; |
2942 | } |
3588 | } |
2943 | |
3589 | |
2944 | { |
|
|
2945 | dSP; |
|
|
2946 | ENTER; |
|
|
2947 | SAVETMPS; |
|
|
2948 | PUTBACK; |
|
|
2949 | PUSHSTACK; |
3590 | PUSHSTACK; |
|
|
3591 | |
2950 | PUSHMARK (SP); |
3592 | PUSHMARK (SP); |
|
|
3593 | PUTBACK; |
2951 | |
3594 | |
2952 | if (ix) |
3595 | if (ix) |
2953 | eval_sv (coderef, 0); |
3596 | eval_sv (coderef, 0); |
2954 | else |
3597 | else |
2955 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
3598 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
2956 | |
3599 | |
2957 | POPSTACK; |
3600 | POPSTACK; |
2958 | SPAGAIN; |
3601 | SPAGAIN; |
2959 | FREETMPS; |
|
|
2960 | LEAVE; |
|
|
2961 | PUTBACK; |
|
|
2962 | } |
|
|
2963 | |
3602 | |
2964 | if (!(coro->flags & CF_RUNNING)) |
3603 | if (current != coro) |
2965 | { |
3604 | { |
|
|
3605 | PUTBACK; |
|
|
3606 | slf_frame = slf_save; |
2966 | save_perl (aTHX_ coro); |
3607 | save_perl (aTHX_ coro); |
2967 | load_perl (aTHX_ &temp); |
3608 | load_perl (aTHX_ current); |
2968 | SPAGAIN; |
3609 | SPAGAIN; |
2969 | } |
3610 | } |
2970 | } |
3611 | } |
2971 | } |
3612 | } |
2972 | |
3613 | |
… | |
… | |
2975 | PROTOTYPE: $ |
3616 | PROTOTYPE: $ |
2976 | ALIAS: |
3617 | ALIAS: |
2977 | is_ready = CF_READY |
3618 | is_ready = CF_READY |
2978 | is_running = CF_RUNNING |
3619 | is_running = CF_RUNNING |
2979 | is_new = CF_NEW |
3620 | is_new = CF_NEW |
2980 | is_destroyed = CF_DESTROYED |
3621 | is_destroyed = CF_ZOMBIE |
|
|
3622 | is_zombie = CF_ZOMBIE |
|
|
3623 | is_suspended = CF_SUSPENDED |
2981 | CODE: |
3624 | CODE: |
2982 | RETVAL = boolSV (coro->flags & ix); |
3625 | RETVAL = boolSV (coro->flags & ix); |
2983 | OUTPUT: |
3626 | OUTPUT: |
2984 | RETVAL |
3627 | RETVAL |
2985 | |
3628 | |
2986 | void |
3629 | void |
2987 | throw (Coro::State self, SV *throw = &PL_sv_undef) |
3630 | throw (Coro::State self, SV *exception = &PL_sv_undef) |
2988 | PROTOTYPE: $;$ |
3631 | PROTOTYPE: $;$ |
2989 | CODE: |
3632 | CODE: |
2990 | { |
3633 | { |
2991 | struct coro *current = SvSTATE_current; |
3634 | struct coro *current = SvSTATE_current; |
2992 | SV **throwp = self == current ? &CORO_THROW : &self->except; |
3635 | SV **exceptionp = self == current ? &CORO_THROW : &self->except; |
2993 | SvREFCNT_dec (*throwp); |
3636 | SvREFCNT_dec (*exceptionp); |
2994 | *throwp = SvOK (throw) ? newSVsv (throw) : 0; |
3637 | SvGETMAGIC (exception); |
|
|
3638 | *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; |
2995 | } |
3639 | } |
2996 | |
3640 | |
2997 | void |
3641 | void |
2998 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3642 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
2999 | PROTOTYPE: $;$ |
3643 | PROTOTYPE: $;$ |
… | |
… | |
3001 | |
3645 | |
3002 | SV * |
3646 | SV * |
3003 | has_cctx (Coro::State coro) |
3647 | has_cctx (Coro::State coro) |
3004 | PROTOTYPE: $ |
3648 | PROTOTYPE: $ |
3005 | CODE: |
3649 | CODE: |
3006 | RETVAL = boolSV (!!coro->cctx); |
3650 | /* maybe manage the running flag differently */ |
|
|
3651 | RETVAL = boolSV (!!coro->cctx || (coro->flags & CF_RUNNING)); |
3007 | OUTPUT: |
3652 | OUTPUT: |
3008 | RETVAL |
3653 | RETVAL |
3009 | |
3654 | |
3010 | int |
3655 | int |
3011 | is_traced (Coro::State coro) |
3656 | is_traced (Coro::State coro) |
… | |
… | |
3031 | |
3676 | |
3032 | void |
3677 | void |
3033 | force_cctx () |
3678 | force_cctx () |
3034 | PROTOTYPE: |
3679 | PROTOTYPE: |
3035 | CODE: |
3680 | CODE: |
3036 | SvSTATE_current->cctx->idle_sp = 0; |
3681 | cctx_current->idle_sp = 0; |
3037 | |
3682 | |
3038 | void |
3683 | void |
3039 | swap_defsv (Coro::State self) |
3684 | swap_defsv (Coro::State self) |
3040 | PROTOTYPE: $ |
3685 | PROTOTYPE: $ |
3041 | ALIAS: |
3686 | ALIAS: |
… | |
… | |
3049 | SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv; |
3694 | SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv; |
3050 | |
3695 | |
3051 | SV *tmp = *src; *src = *dst; *dst = tmp; |
3696 | SV *tmp = *src; *src = *dst; *dst = tmp; |
3052 | } |
3697 | } |
3053 | |
3698 | |
|
|
3699 | void |
|
|
3700 | cancel (Coro::State self) |
|
|
3701 | CODE: |
|
|
3702 | coro_state_destroy (aTHX_ self); |
|
|
3703 | |
|
|
3704 | SV * |
|
|
3705 | enable_times (int enabled = enable_times) |
|
|
3706 | CODE: |
|
|
3707 | { |
|
|
3708 | RETVAL = boolSV (enable_times); |
|
|
3709 | |
|
|
3710 | if (enabled != enable_times) |
|
|
3711 | { |
|
|
3712 | enable_times = enabled; |
|
|
3713 | |
|
|
3714 | coro_times_update (); |
|
|
3715 | (enabled ? coro_times_sub : coro_times_add)(SvSTATE (coro_current)); |
|
|
3716 | } |
|
|
3717 | } |
|
|
3718 | OUTPUT: |
|
|
3719 | RETVAL |
|
|
3720 | |
|
|
3721 | void |
|
|
3722 | times (Coro::State self) |
|
|
3723 | PPCODE: |
|
|
3724 | { |
|
|
3725 | struct coro *current = SvSTATE (coro_current); |
|
|
3726 | |
|
|
3727 | if (ecb_expect_false (current == self)) |
|
|
3728 | { |
|
|
3729 | coro_times_update (); |
|
|
3730 | coro_times_add (SvSTATE (coro_current)); |
|
|
3731 | } |
|
|
3732 | |
|
|
3733 | EXTEND (SP, 2); |
|
|
3734 | PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9))); |
|
|
3735 | PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9))); |
|
|
3736 | |
|
|
3737 | if (ecb_expect_false (current == self)) |
|
|
3738 | coro_times_sub (SvSTATE (coro_current)); |
|
|
3739 | } |
|
|
3740 | |
|
|
3741 | void |
|
|
3742 | swap_sv (Coro::State coro, SV *sv, SV *swapsv) |
|
|
3743 | CODE: |
|
|
3744 | { |
|
|
3745 | struct coro *current = SvSTATE_current; |
|
|
3746 | |
|
|
3747 | if (current == coro) |
|
|
3748 | SWAP_SVS (current); |
|
|
3749 | |
|
|
3750 | if (!coro->swap_sv) |
|
|
3751 | coro->swap_sv = newAV (); |
|
|
3752 | |
|
|
3753 | av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (sv ))); |
|
|
3754 | av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (swapsv))); |
|
|
3755 | |
|
|
3756 | if (current == coro) |
|
|
3757 | SWAP_SVS (current); |
|
|
3758 | } |
|
|
3759 | |
3054 | |
3760 | |
3055 | MODULE = Coro::State PACKAGE = Coro |
3761 | MODULE = Coro::State PACKAGE = Coro |
3056 | |
3762 | |
3057 | BOOT: |
3763 | BOOT: |
3058 | { |
3764 | { |
3059 | int i; |
|
|
3060 | |
|
|
3061 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3765 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3062 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3766 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3063 | cv_coro_run = get_cv ( "Coro::_terminate", GV_ADD); |
3767 | 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); |
3768 | 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); |
3769 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
3067 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
3770 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
3068 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
3771 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
|
|
3772 | sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); |
3069 | |
3773 | |
3070 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3774 | 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); |
3775 | 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); |
3776 | 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); |
3777 | CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */ |
3074 | |
3778 | |
3075 | coro_stash = gv_stashpv ("Coro", TRUE); |
3779 | coro_stash = gv_stashpv ("Coro", TRUE); |
3076 | |
3780 | |
3077 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
3781 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
3078 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
3782 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
3079 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); |
3783 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL)); |
3080 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); |
3784 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (CORO_PRIO_LOW)); |
3081 | newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE)); |
3785 | newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (CORO_PRIO_IDLE)); |
3082 | newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN)); |
3786 | 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 | |
3787 | |
3087 | { |
3788 | { |
3088 | SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE); |
3789 | SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE); |
3089 | |
3790 | |
3090 | coroapi.schedule = api_schedule; |
3791 | coroapi.schedule = api_schedule; |
… | |
… | |
3100 | sv_setiv (sv, (IV)&coroapi); |
3801 | sv_setiv (sv, (IV)&coroapi); |
3101 | SvREADONLY_on (sv); |
3802 | SvREADONLY_on (sv); |
3102 | } |
3803 | } |
3103 | } |
3804 | } |
3104 | |
3805 | |
|
|
3806 | SV * |
|
|
3807 | async (...) |
|
|
3808 | PROTOTYPE: &@ |
|
|
3809 | CODE: |
|
|
3810 | RETVAL = coro_new (aTHX_ coro_stash, &ST (0), items, 1); |
|
|
3811 | api_ready (aTHX_ RETVAL); |
|
|
3812 | OUTPUT: |
|
|
3813 | RETVAL |
|
|
3814 | |
|
|
3815 | void |
|
|
3816 | _destroy (Coro::State coro) |
|
|
3817 | CODE: |
|
|
3818 | /* used by the manager thread */ |
|
|
3819 | coro_state_destroy (aTHX_ coro); |
|
|
3820 | |
|
|
3821 | void |
|
|
3822 | on_destroy (Coro::State coro, SV *cb) |
|
|
3823 | CODE: |
|
|
3824 | coro_push_on_destroy (aTHX_ coro, newSVsv (cb)); |
|
|
3825 | |
|
|
3826 | void |
|
|
3827 | join (...) |
|
|
3828 | CODE: |
|
|
3829 | CORO_EXECUTE_SLF_XS (slf_init_join); |
|
|
3830 | |
3105 | void |
3831 | void |
3106 | terminate (...) |
3832 | terminate (...) |
3107 | CODE: |
3833 | CODE: |
3108 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
3834 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
3109 | |
3835 | |
3110 | void |
3836 | void |
|
|
3837 | cancel (...) |
|
|
3838 | CODE: |
|
|
3839 | CORO_EXECUTE_SLF_XS (slf_init_cancel); |
|
|
3840 | |
|
|
3841 | int |
|
|
3842 | safe_cancel (Coro::State self, ...) |
|
|
3843 | C_ARGS: aTHX_ self, &ST (1), items - 1 |
|
|
3844 | |
|
|
3845 | void |
3111 | schedule (...) |
3846 | schedule (...) |
3112 | CODE: |
3847 | CODE: |
3113 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
3848 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
3114 | |
3849 | |
3115 | void |
3850 | void |
… | |
… | |
3129 | |
3864 | |
3130 | void |
3865 | void |
3131 | cede_notself (...) |
3866 | cede_notself (...) |
3132 | CODE: |
3867 | CODE: |
3133 | CORO_EXECUTE_SLF_XS (slf_init_cede_notself); |
3868 | 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 | |
3869 | |
3141 | void |
3870 | void |
3142 | _set_current (SV *current) |
3871 | _set_current (SV *current) |
3143 | PROTOTYPE: $ |
3872 | PROTOTYPE: $ |
3144 | CODE: |
3873 | CODE: |
… | |
… | |
3148 | void |
3877 | void |
3149 | _set_readyhook (SV *hook) |
3878 | _set_readyhook (SV *hook) |
3150 | PROTOTYPE: $ |
3879 | PROTOTYPE: $ |
3151 | CODE: |
3880 | CODE: |
3152 | SvREFCNT_dec (coro_readyhook); |
3881 | SvREFCNT_dec (coro_readyhook); |
|
|
3882 | SvGETMAGIC (hook); |
|
|
3883 | if (SvOK (hook)) |
|
|
3884 | { |
3153 | coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0; |
3885 | coro_readyhook = newSVsv (hook); |
|
|
3886 | CORO_READYHOOK = invoke_sv_ready_hook_helper; |
|
|
3887 | } |
|
|
3888 | else |
|
|
3889 | { |
|
|
3890 | coro_readyhook = 0; |
|
|
3891 | CORO_READYHOOK = 0; |
|
|
3892 | } |
3154 | |
3893 | |
3155 | int |
3894 | int |
3156 | prio (Coro::State coro, int newprio = 0) |
3895 | prio (Coro::State coro, int newprio = 0) |
3157 | PROTOTYPE: $;$ |
3896 | PROTOTYPE: $;$ |
3158 | ALIAS: |
3897 | ALIAS: |
… | |
… | |
3164 | if (items > 1) |
3903 | if (items > 1) |
3165 | { |
3904 | { |
3166 | if (ix) |
3905 | if (ix) |
3167 | newprio = coro->prio - newprio; |
3906 | newprio = coro->prio - newprio; |
3168 | |
3907 | |
3169 | if (newprio < PRIO_MIN) newprio = PRIO_MIN; |
3908 | if (newprio < CORO_PRIO_MIN) newprio = CORO_PRIO_MIN; |
3170 | if (newprio > PRIO_MAX) newprio = PRIO_MAX; |
3909 | if (newprio > CORO_PRIO_MAX) newprio = CORO_PRIO_MAX; |
3171 | |
3910 | |
3172 | coro->prio = newprio; |
3911 | coro->prio = newprio; |
3173 | } |
3912 | } |
3174 | } |
3913 | } |
3175 | OUTPUT: |
3914 | OUTPUT: |
… | |
… | |
3190 | RETVAL = coro_nready; |
3929 | RETVAL = coro_nready; |
3191 | OUTPUT: |
3930 | OUTPUT: |
3192 | RETVAL |
3931 | RETVAL |
3193 | |
3932 | |
3194 | void |
3933 | void |
|
|
3934 | suspend (Coro::State self) |
|
|
3935 | PROTOTYPE: $ |
|
|
3936 | CODE: |
|
|
3937 | self->flags |= CF_SUSPENDED; |
|
|
3938 | |
|
|
3939 | void |
|
|
3940 | resume (Coro::State self) |
|
|
3941 | PROTOTYPE: $ |
|
|
3942 | CODE: |
|
|
3943 | self->flags &= ~CF_SUSPENDED; |
|
|
3944 | |
|
|
3945 | void |
3195 | _pool_handler (...) |
3946 | _pool_handler (...) |
3196 | CODE: |
3947 | CODE: |
3197 | CORO_EXECUTE_SLF_XS (slf_init_pool_handler); |
3948 | CORO_EXECUTE_SLF_XS (slf_init_pool_handler); |
3198 | |
3949 | |
3199 | void |
3950 | void |
… | |
… | |
3210 | for (i = 1; i < items; ++i) |
3961 | for (i = 1; i < items; ++i) |
3211 | av_push (av, SvREFCNT_inc_NN (ST (i))); |
3962 | av_push (av, SvREFCNT_inc_NN (ST (i))); |
3212 | |
3963 | |
3213 | if ((SV *)hv == &PL_sv_undef) |
3964 | if ((SV *)hv == &PL_sv_undef) |
3214 | { |
3965 | { |
3215 | PUSHMARK (SP); |
3966 | 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)); |
3967 | hv = (HV *)SvREFCNT_inc_NN (SvRV (sv)); |
|
|
3968 | SvREFCNT_dec (sv); |
3224 | } |
3969 | } |
3225 | |
3970 | |
3226 | { |
3971 | { |
3227 | struct coro *coro = SvSTATE_hv (hv); |
3972 | struct coro *coro = SvSTATE_hv (hv); |
3228 | |
3973 | |
… | |
… | |
3252 | rouse_wait (...) |
3997 | rouse_wait (...) |
3253 | PROTOTYPE: ;$ |
3998 | PROTOTYPE: ;$ |
3254 | PPCODE: |
3999 | PPCODE: |
3255 | CORO_EXECUTE_SLF_XS (slf_init_rouse_wait); |
4000 | CORO_EXECUTE_SLF_XS (slf_init_rouse_wait); |
3256 | |
4001 | |
|
|
4002 | void |
|
|
4003 | on_enter (SV *block) |
|
|
4004 | ALIAS: |
|
|
4005 | on_leave = 1 |
|
|
4006 | PROTOTYPE: & |
|
|
4007 | CODE: |
|
|
4008 | { |
|
|
4009 | struct coro *coro = SvSTATE_current; |
|
|
4010 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
|
|
4011 | |
|
|
4012 | block = s_get_cv_croak (block); |
|
|
4013 | |
|
|
4014 | if (!*avp) |
|
|
4015 | *avp = newAV (); |
|
|
4016 | |
|
|
4017 | av_push (*avp, SvREFCNT_inc (block)); |
|
|
4018 | |
|
|
4019 | if (!ix) |
|
|
4020 | on_enterleave_call (aTHX_ block); |
|
|
4021 | |
|
|
4022 | LEAVE; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */ |
|
|
4023 | SAVEDESTRUCTOR_X (ix ? coro_pop_on_leave : coro_pop_on_enter, (void *)coro); |
|
|
4024 | ENTER; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */ |
|
|
4025 | } |
|
|
4026 | |
3257 | |
4027 | |
3258 | MODULE = Coro::State PACKAGE = PerlIO::cede |
4028 | MODULE = Coro::State PACKAGE = PerlIO::cede |
3259 | |
4029 | |
3260 | BOOT: |
4030 | BOOT: |
3261 | PerlIO_define_layer (aTHX_ &PerlIO_cede); |
4031 | PerlIO_define_layer (aTHX_ &PerlIO_cede); |
… | |
… | |
3264 | MODULE = Coro::State PACKAGE = Coro::Semaphore |
4034 | MODULE = Coro::State PACKAGE = Coro::Semaphore |
3265 | |
4035 | |
3266 | SV * |
4036 | SV * |
3267 | new (SV *klass, SV *count = 0) |
4037 | new (SV *klass, SV *count = 0) |
3268 | CODE: |
4038 | CODE: |
|
|
4039 | { |
|
|
4040 | int semcnt = 1; |
|
|
4041 | |
|
|
4042 | if (count) |
|
|
4043 | { |
|
|
4044 | SvGETMAGIC (count); |
|
|
4045 | |
|
|
4046 | if (SvOK (count)) |
|
|
4047 | semcnt = SvIV (count); |
|
|
4048 | } |
|
|
4049 | |
3269 | RETVAL = sv_bless ( |
4050 | RETVAL = sv_bless ( |
3270 | coro_waitarray_new (aTHX_ count && SvOK (count) ? SvIV (count) : 1), |
4051 | coro_waitarray_new (aTHX_ semcnt), |
3271 | GvSTASH (CvGV (cv)) |
4052 | GvSTASH (CvGV (cv)) |
3272 | ); |
4053 | ); |
|
|
4054 | } |
3273 | OUTPUT: |
4055 | OUTPUT: |
3274 | RETVAL |
4056 | RETVAL |
3275 | |
4057 | |
3276 | # helper for Coro::Channel |
4058 | # helper for Coro::Channel and others |
3277 | SV * |
4059 | SV * |
3278 | _alloc (int count) |
4060 | _alloc (int count) |
3279 | CODE: |
4061 | CODE: |
3280 | RETVAL = coro_waitarray_new (aTHX_ count); |
4062 | RETVAL = coro_waitarray_new (aTHX_ count); |
3281 | OUTPUT: |
4063 | OUTPUT: |
… | |
… | |
3339 | for (i = 1; i <= wcount; ++i) |
4121 | for (i = 1; i <= wcount; ++i) |
3340 | PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i]))); |
4122 | PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i]))); |
3341 | } |
4123 | } |
3342 | } |
4124 | } |
3343 | |
4125 | |
|
|
4126 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
|
|
4127 | |
|
|
4128 | void |
|
|
4129 | _may_delete (SV *sem, int count, int extra_refs) |
|
|
4130 | PPCODE: |
|
|
4131 | { |
|
|
4132 | AV *av = (AV *)SvRV (sem); |
|
|
4133 | |
|
|
4134 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
|
|
4135 | && AvFILLp (av) == 0 /* no waiters, just count */ |
|
|
4136 | && SvIV (AvARRAY (av)[0]) == count) |
|
|
4137 | XSRETURN_YES; |
|
|
4138 | |
|
|
4139 | XSRETURN_NO; |
|
|
4140 | } |
|
|
4141 | |
3344 | MODULE = Coro::State PACKAGE = Coro::Signal |
4142 | MODULE = Coro::State PACKAGE = Coro::Signal |
3345 | |
4143 | |
3346 | SV * |
4144 | SV * |
3347 | new (SV *klass) |
4145 | new (SV *klass) |
3348 | CODE: |
4146 | CODE: |
… | |
… | |
3419 | |
4217 | |
3420 | void |
4218 | void |
3421 | _register (char *target, char *proto, SV *req) |
4219 | _register (char *target, char *proto, SV *req) |
3422 | CODE: |
4220 | CODE: |
3423 | { |
4221 | { |
3424 | CV *req_cv = coro_sv_2cv (aTHX_ req); |
4222 | SV *req_cv = s_get_cv_croak (req); |
3425 | /* newXSproto doesn't return the CV on 5.8 */ |
4223 | /* newXSproto doesn't return the CV on 5.8 */ |
3426 | CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__); |
4224 | CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__); |
3427 | sv_setpv ((SV *)slf_cv, proto); |
4225 | sv_setpv ((SV *)slf_cv, proto); |
3428 | sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0); |
4226 | sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0); |
3429 | } |
4227 | } |
3430 | |
4228 | |
|
|
4229 | MODULE = Coro::State PACKAGE = Coro::Select |
|
|
4230 | |
|
|
4231 | void |
|
|
4232 | patch_pp_sselect () |
|
|
4233 | CODE: |
|
|
4234 | if (!coro_old_pp_sselect) |
|
|
4235 | { |
|
|
4236 | coro_select_select = (SV *)get_cv ("Coro::Select::select", 0); |
|
|
4237 | coro_old_pp_sselect = PL_ppaddr [OP_SSELECT]; |
|
|
4238 | PL_ppaddr [OP_SSELECT] = coro_pp_sselect; |
|
|
4239 | } |
|
|
4240 | |
|
|
4241 | void |
|
|
4242 | unpatch_pp_sselect () |
|
|
4243 | CODE: |
|
|
4244 | if (coro_old_pp_sselect) |
|
|
4245 | { |
|
|
4246 | PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; |
|
|
4247 | coro_old_pp_sselect = 0; |
|
|
4248 | } |
|
|
4249 | |