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1 | /* this works around a bug in mingw32 providing a non-working setjmp */ |
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2 | #define USE_NO_MINGW_SETJMP_TWO_ARGS |
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3 | |
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4 | #define NDEBUG 1 |
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5 | |
1 | #include "libcoro/coro.c" |
6 | #include "libcoro/coro.c" |
2 | |
7 | |
3 | #define PERL_NO_GET_CONTEXT |
8 | #define PERL_NO_GET_CONTEXT |
4 | #define PERL_EXT |
9 | #define PERL_EXT |
5 | |
10 | |
6 | #include "EXTERN.h" |
11 | #include "EXTERN.h" |
7 | #include "perl.h" |
12 | #include "perl.h" |
8 | #include "XSUB.h" |
13 | #include "XSUB.h" |
9 | #include "perliol.h" |
14 | #include "perliol.h" |
10 | |
15 | |
11 | #include "patchlevel.h" |
16 | #include "schmorp.h" |
12 | |
17 | |
13 | #include <stdio.h> |
18 | #include <stdio.h> |
14 | #include <errno.h> |
19 | #include <errno.h> |
15 | #include <assert.h> |
20 | #include <assert.h> |
16 | |
21 | |
17 | #ifdef WIN32 |
22 | #ifndef SVs_PADSTALE |
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23 | # define SVs_PADSTALE 0 |
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24 | #endif |
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25 | |
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26 | #if defined(_WIN32) |
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27 | # undef HAS_GETTIMEOFDAY |
18 | # undef setjmp |
28 | # undef setjmp |
19 | # undef longjmp |
29 | # undef longjmp |
20 | # undef _exit |
30 | # undef _exit |
21 | # define setjmp _setjmp /* deep magic */ |
31 | # define setjmp _setjmp /* deep magic */ |
22 | #else |
32 | #else |
… | |
… | |
51 | #endif |
61 | #endif |
52 | |
62 | |
53 | /* the maximum number of idle cctx that will be pooled */ |
63 | /* the maximum number of idle cctx that will be pooled */ |
54 | static int cctx_max_idle = 4; |
64 | static int cctx_max_idle = 4; |
55 | |
65 | |
56 | #define PERL_VERSION_ATLEAST(a,b,c) \ |
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57 | (PERL_REVISION > (a) \ |
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58 | || (PERL_REVISION == (a) \ |
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59 | && (PERL_VERSION > (b) \ |
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60 | || (PERL_VERSION == (b) && PERL_SUBVERSION >= (c))))) |
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61 | |
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62 | #if !PERL_VERSION_ATLEAST (5,6,0) |
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63 | # ifndef PL_ppaddr |
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64 | # define PL_ppaddr ppaddr |
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65 | # endif |
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66 | # ifndef call_sv |
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67 | # define call_sv perl_call_sv |
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68 | # endif |
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69 | # ifndef get_sv |
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70 | # define get_sv perl_get_sv |
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71 | # endif |
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72 | # ifndef get_cv |
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73 | # define get_cv perl_get_cv |
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74 | # endif |
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75 | # ifndef IS_PADGV |
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76 | # define IS_PADGV(v) 0 |
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77 | # endif |
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78 | # ifndef IS_PADCONST |
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79 | # define IS_PADCONST(v) 0 |
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80 | # endif |
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81 | #endif |
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82 | |
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83 | /* 5.11 */ |
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84 | #ifndef CxHASARGS |
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85 | # define CxHASARGS(cx) (cx)->blk_sub.hasargs |
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86 | #endif |
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87 | |
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88 | /* 5.10.0 */ |
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89 | #ifndef SvREFCNT_inc_NN |
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90 | # define SvREFCNT_inc_NN(sv) SvREFCNT_inc (sv) |
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91 | #endif |
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92 | |
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93 | /* 5.8.8 */ |
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94 | #ifndef GV_NOTQUAL |
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95 | # define GV_NOTQUAL 0 |
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96 | #endif |
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97 | #ifndef newSV |
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98 | # define newSV(l) NEWSV(0,l) |
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99 | #endif |
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100 | #ifndef CvISXSUB_on |
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101 | # define CvISXSUB_on(cv) (void)cv |
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102 | #endif |
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103 | #ifndef CvISXSUB |
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104 | # define CvISXSUB(cv) (CvXSUB (cv) ? TRUE : FALSE) |
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105 | #endif |
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106 | #ifndef Newx |
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107 | # define Newx(ptr,nitems,type) New (0,ptr,nitems,type) |
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108 | #endif |
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109 | |
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110 | /* 5.8.7 */ |
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111 | #ifndef SvRV_set |
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112 | # define SvRV_set(s,v) SvRV(s) = (v) |
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113 | #endif |
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114 | |
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115 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
66 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
116 | # undef CORO_STACKGUARD |
67 | # undef CORO_STACKGUARD |
117 | #endif |
68 | #endif |
118 | |
69 | |
119 | #ifndef CORO_STACKGUARD |
70 | #ifndef CORO_STACKGUARD |
… | |
… | |
175 | static void (*u2time)(pTHX_ UV ret[2]); |
126 | static void (*u2time)(pTHX_ UV ret[2]); |
176 | |
127 | |
177 | /* we hijack an hopefully unused CV flag for our purposes */ |
128 | /* we hijack an hopefully unused CV flag for our purposes */ |
178 | #define CVf_SLF 0x4000 |
129 | #define CVf_SLF 0x4000 |
179 | static OP *pp_slf (pTHX); |
130 | static OP *pp_slf (pTHX); |
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131 | static void slf_destroy (pTHX_ struct coro *coro); |
180 | |
132 | |
181 | static U32 cctx_gen; |
133 | static U32 cctx_gen; |
182 | static size_t cctx_stacksize = CORO_STACKSIZE; |
134 | static size_t cctx_stacksize = CORO_STACKSIZE; |
183 | static struct CoroAPI coroapi; |
135 | static struct CoroAPI coroapi; |
184 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
136 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
… | |
… | |
201 | static SV *sv_pool_size; |
153 | static SV *sv_pool_size; |
202 | static SV *sv_async_pool_idle; /* description string */ |
154 | static SV *sv_async_pool_idle; /* description string */ |
203 | static AV *av_async_pool; /* idle pool */ |
155 | static AV *av_async_pool; /* idle pool */ |
204 | static SV *sv_Coro; /* class string */ |
156 | static SV *sv_Coro; /* class string */ |
205 | static CV *cv_pool_handler; |
157 | static CV *cv_pool_handler; |
206 | static CV *cv_coro_state_new; |
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207 | |
158 | |
208 | /* Coro::AnyEvent */ |
159 | /* Coro::AnyEvent */ |
209 | static SV *sv_activity; |
160 | static SV *sv_activity; |
210 | |
161 | |
211 | /* enable processtime/realtime profiling */ |
162 | /* enable processtime/realtime profiling */ |
… | |
… | |
246 | int valgrind_id; |
197 | int valgrind_id; |
247 | #endif |
198 | #endif |
248 | unsigned char flags; |
199 | unsigned char flags; |
249 | } coro_cctx; |
200 | } coro_cctx; |
250 | |
201 | |
251 | coro_cctx *cctx_current; /* the currently running cctx */ |
202 | static coro_cctx *cctx_current; /* the currently running cctx */ |
252 | |
203 | |
253 | /*****************************************************************************/ |
204 | /*****************************************************************************/ |
254 | |
205 | |
255 | enum { |
206 | enum { |
256 | CF_RUNNING = 0x0001, /* coroutine is running */ |
207 | CF_RUNNING = 0x0001, /* coroutine is running */ |
257 | CF_READY = 0x0002, /* coroutine is ready */ |
208 | CF_READY = 0x0002, /* coroutine is ready */ |
258 | CF_NEW = 0x0004, /* has never been switched to */ |
209 | CF_NEW = 0x0004, /* has never been switched to */ |
259 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
210 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
260 | CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */ |
211 | CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */ |
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212 | CF_NOCANCEL = 0x0020, /* cannot cancel, set slf_frame.data to 1 (hackish) */ |
261 | }; |
213 | }; |
262 | |
214 | |
263 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
215 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
264 | typedef struct |
216 | typedef struct |
265 | { |
217 | { |
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… | |
271 | #define VAR(name,type) type name; |
223 | #define VAR(name,type) type name; |
272 | # include "state.h" |
224 | # include "state.h" |
273 | #undef VAR |
225 | #undef VAR |
274 | } perl_slots; |
226 | } perl_slots; |
275 | |
227 | |
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228 | // how many context stack entries do we need for perl_slots |
276 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
229 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
277 | |
230 | |
278 | /* this is a structure representing a perl-level coroutine */ |
231 | /* this is a structure representing a perl-level coroutine */ |
279 | struct coro { |
232 | struct coro { |
280 | /* the C coroutine allocated to this perl coroutine, if any */ |
233 | /* the C coroutine allocated to this perl coroutine, if any */ |
… | |
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291 | CV *startcv; /* the CV to execute */ |
244 | CV *startcv; /* the CV to execute */ |
292 | AV *args; /* data associated with this coroutine (initial args) */ |
245 | AV *args; /* data associated with this coroutine (initial args) */ |
293 | int refcnt; /* coroutines are refcounted, yes */ |
246 | int refcnt; /* coroutines are refcounted, yes */ |
294 | int flags; /* CF_ flags */ |
247 | int flags; /* CF_ flags */ |
295 | HV *hv; /* the perl hash associated with this coro, if any */ |
248 | HV *hv; /* the perl hash associated with this coro, if any */ |
296 | void (*on_destroy)(pTHX_ struct coro *coro); |
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297 | |
249 | |
298 | /* statistics */ |
250 | /* statistics */ |
299 | int usecount; /* number of transfers to this coro */ |
251 | int usecount; /* number of transfers to this coro */ |
300 | |
252 | |
301 | /* coro process data */ |
253 | /* coro process data */ |
… | |
… | |
310 | |
262 | |
311 | /* on_enter/on_leave */ |
263 | /* on_enter/on_leave */ |
312 | AV *on_enter; |
264 | AV *on_enter; |
313 | AV *on_leave; |
265 | AV *on_leave; |
314 | |
266 | |
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267 | /* swap_sv */ |
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268 | AV *swap_sv; |
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269 | |
315 | /* times */ |
270 | /* times */ |
316 | coro_ts t_cpu, t_real; |
271 | coro_ts t_cpu, t_real; |
317 | |
272 | |
318 | /* linked list */ |
273 | /* linked list */ |
319 | struct coro *next, *prev; |
274 | struct coro *next, *prev; |
… | |
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322 | typedef struct coro *Coro__State; |
277 | typedef struct coro *Coro__State; |
323 | typedef struct coro *Coro__State_or_hashref; |
278 | typedef struct coro *Coro__State_or_hashref; |
324 | |
279 | |
325 | /* the following variables are effectively part of the perl context */ |
280 | /* the following variables are effectively part of the perl context */ |
326 | /* and get copied between struct coro and these variables */ |
281 | /* and get copied between struct coro and these variables */ |
327 | /* the mainr easonw e don't support windows process emulation */ |
282 | /* the main reason we don't support windows process emulation */ |
328 | static struct CoroSLF slf_frame; /* the current slf frame */ |
283 | static struct CoroSLF slf_frame; /* the current slf frame */ |
329 | |
284 | |
330 | /** Coro ********************************************************************/ |
285 | /** Coro ********************************************************************/ |
331 | |
286 | |
332 | #define CORO_PRIO_MAX 3 |
287 | #define CORO_PRIO_MAX 3 |
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338 | |
293 | |
339 | /* for Coro.pm */ |
294 | /* for Coro.pm */ |
340 | static SV *coro_current; |
295 | static SV *coro_current; |
341 | static SV *coro_readyhook; |
296 | static SV *coro_readyhook; |
342 | static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ |
297 | static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ |
343 | static CV *cv_coro_run, *cv_coro_terminate; |
298 | static CV *cv_coro_run; |
344 | static struct coro *coro_first; |
299 | static struct coro *coro_first; |
345 | #define coro_nready coroapi.nready |
300 | #define coro_nready coroapi.nready |
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301 | |
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302 | /** Coro::Select ************************************************************/ |
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303 | |
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304 | static OP *(*coro_old_pp_sselect) (pTHX); |
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305 | static SV *coro_select_select; |
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306 | |
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307 | /* horrible hack, but if it works... */ |
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308 | static OP * |
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309 | coro_pp_sselect (pTHX) |
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310 | { |
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311 | dSP; |
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312 | PUSHMARK (SP - 4); /* fake argument list */ |
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313 | XPUSHs (coro_select_select); |
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314 | PUTBACK; |
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315 | |
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316 | /* entersub is an UNOP, select a LISTOP... keep your fingers crossed */ |
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317 | PL_op->op_flags |= OPf_STACKED; |
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318 | PL_op->op_private = 0; |
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319 | return PL_ppaddr [OP_ENTERSUB](aTHX); |
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320 | } |
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321 | |
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322 | /** time stuff **************************************************************/ |
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323 | |
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324 | #ifdef HAS_GETTIMEOFDAY |
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325 | |
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326 | static void |
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327 | coro_u2time (pTHX_ UV ret[2]) |
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328 | { |
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329 | struct timeval tv; |
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330 | gettimeofday (&tv, 0); |
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331 | |
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332 | ret [0] = tv.tv_sec; |
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333 | ret [1] = tv.tv_usec; |
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334 | } |
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335 | |
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336 | static double |
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337 | coro_nvtime () |
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338 | { |
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339 | struct timeval tv; |
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340 | gettimeofday (&tv, 0); |
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341 | |
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342 | return tv.tv_sec + tv.tv_usec * 1e-6; |
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343 | } |
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344 | |
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345 | static void |
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346 | time_init (pTHX) |
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347 | { |
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348 | nvtime = coro_nvtime; |
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349 | u2time = coro_u2time; |
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350 | } |
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351 | |
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352 | #else |
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353 | |
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354 | static void |
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355 | time_init (pTHX) |
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356 | { |
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357 | SV **svp; |
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358 | |
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359 | require_pv ("Time/HiRes.pm"); |
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360 | |
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361 | svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
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362 | |
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363 | if (!svp) croak ("Time::HiRes is required, but missing. Caught"); |
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364 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer. Caught"); |
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365 | |
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366 | nvtime = INT2PTR (double (*)(), SvIV (*svp)); |
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367 | |
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368 | svp = hv_fetch (PL_modglobal, "Time::U2time", 12, 0); |
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369 | u2time = INT2PTR (void (*)(pTHX_ UV ret[2]), SvIV (*svp)); |
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370 | } |
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371 | |
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372 | #endif |
346 | |
373 | |
347 | /** lowlevel stuff **********************************************************/ |
374 | /** lowlevel stuff **********************************************************/ |
348 | |
375 | |
349 | static SV * |
376 | static SV * |
350 | coro_get_sv (pTHX_ const char *name, int create) |
377 | coro_get_sv (pTHX_ const char *name, int create) |
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372 | #if PERL_VERSION_ATLEAST (5,10,0) |
399 | #if PERL_VERSION_ATLEAST (5,10,0) |
373 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
400 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
374 | get_hv (name, create); |
401 | get_hv (name, create); |
375 | #endif |
402 | #endif |
376 | return get_hv (name, create); |
403 | return get_hv (name, create); |
377 | } |
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378 | |
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379 | /* may croak */ |
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380 | INLINE CV * |
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381 | coro_sv_2cv (pTHX_ SV *sv) |
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382 | { |
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383 | HV *st; |
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384 | GV *gvp; |
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385 | CV *cv = sv_2cv (sv, &st, &gvp, 0); |
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386 | |
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387 | if (!cv) |
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388 | croak ("code reference expected"); |
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389 | |
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390 | return cv; |
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391 | } |
404 | } |
392 | |
405 | |
393 | INLINE void |
406 | INLINE void |
394 | coro_times_update () |
407 | coro_times_update () |
395 | { |
408 | { |
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604 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
617 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
605 | } |
618 | } |
606 | |
619 | |
607 | /** load & save, init *******************************************************/ |
620 | /** load & save, init *******************************************************/ |
608 | |
621 | |
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622 | /* swap sv heads, at least logically */ |
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623 | static void |
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624 | swap_svs (pTHX_ Coro__State c) |
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625 | { |
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626 | int i; |
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627 | |
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628 | for (i = 0; i <= AvFILLp (c->swap_sv); ) |
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629 | { |
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630 | SV *a = AvARRAY (c->swap_sv)[i++]; |
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631 | SV *b = AvARRAY (c->swap_sv)[i++]; |
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632 | |
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633 | const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */ |
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634 | SV tmp; |
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635 | |
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636 | /* swap sv_any */ |
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637 | SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp); |
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638 | |
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639 | /* swap sv_flags */ |
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640 | SvFLAGS (&tmp) = SvFLAGS (a); |
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641 | SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep); |
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642 | SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep); |
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643 | |
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644 | #if PERL_VERSION_ATLEAST (5,10,0) |
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645 | /* perl 5.10 complicates this _quite_ a bit, but it also is |
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646 | * much faster, so no quarrels here. alternatively, we could |
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647 | * sv_upgrade to avoid this. |
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648 | */ |
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649 | { |
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650 | /* swap sv_u */ |
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651 | tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u; |
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652 | |
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653 | /* if SvANY points to the head, we need to adjust the pointers, |
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654 | * as the pointer for a still points to b, and maybe vice versa. |
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655 | */ |
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656 | #define svany_in_head(type) \ |
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657 | (((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type))) |
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658 | |
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659 | if (svany_in_head (SvTYPE (a))) |
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660 | SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a); |
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661 | |
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662 | if (svany_in_head (SvTYPE (b))) |
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663 | SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b); |
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664 | } |
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665 | #endif |
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666 | } |
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667 | } |
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668 | |
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669 | #define SWAP_SVS(coro) \ |
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670 | if (expect_false ((coro)->swap_sv)) \ |
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671 | swap_svs (aTHX_ (coro)) |
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672 | |
609 | static void |
673 | static void |
610 | on_enterleave_call (pTHX_ SV *cb); |
674 | on_enterleave_call (pTHX_ SV *cb); |
611 | |
675 | |
612 | static void |
676 | static void |
613 | load_perl (pTHX_ Coro__State c) |
677 | load_perl (pTHX_ Coro__State c) |
… | |
… | |
659 | int i; |
723 | int i; |
660 | |
724 | |
661 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
725 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
662 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
726 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
663 | } |
727 | } |
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728 | |
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729 | SWAP_SVS (c); |
664 | } |
730 | } |
665 | |
731 | |
666 | static void |
732 | static void |
667 | save_perl (pTHX_ Coro__State c) |
733 | save_perl (pTHX_ Coro__State c) |
668 | { |
734 | { |
|
|
735 | SWAP_SVS (c); |
|
|
736 | |
669 | if (expect_false (c->on_leave)) |
737 | if (expect_false (c->on_leave)) |
670 | { |
738 | { |
671 | int i; |
739 | int i; |
672 | |
740 | |
673 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
741 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
… | |
… | |
731 | |
799 | |
732 | PUTBACK; |
800 | PUTBACK; |
733 | } |
801 | } |
734 | |
802 | |
735 | /* allocate some space on the context stack for our purposes */ |
803 | /* allocate some space on the context stack for our purposes */ |
736 | /* we manually unroll here, as usually 2 slots is enough */ |
804 | if (expect_false (cxstack_ix + SLOT_COUNT >= cxstack_max)) |
737 | if (SLOT_COUNT >= 1) CXINC; |
|
|
738 | if (SLOT_COUNT >= 2) CXINC; |
|
|
739 | if (SLOT_COUNT >= 3) CXINC; |
|
|
740 | { |
805 | { |
741 | unsigned int i; |
806 | unsigned int i; |
|
|
807 | |
742 | for (i = 3; i < SLOT_COUNT; ++i) |
808 | for (i = 0; i < SLOT_COUNT; ++i) |
743 | CXINC; |
809 | CXINC; |
744 | } |
810 | |
745 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
811 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
|
|
812 | } |
746 | |
813 | |
747 | c->mainstack = PL_mainstack; |
814 | c->mainstack = PL_mainstack; |
748 | |
815 | |
749 | { |
816 | { |
750 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
817 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
… | |
… | |
771 | # define coro_init_stacks(thx) init_stacks () |
838 | # define coro_init_stacks(thx) init_stacks () |
772 | #else |
839 | #else |
773 | static void |
840 | static void |
774 | coro_init_stacks (pTHX) |
841 | coro_init_stacks (pTHX) |
775 | { |
842 | { |
776 | PL_curstackinfo = new_stackinfo(32, 8); |
843 | PL_curstackinfo = new_stackinfo(32, 4 + SLOT_COUNT); /* 3 is minimum due to perl rounding down in scope.c:GROW() */ |
777 | PL_curstackinfo->si_type = PERLSI_MAIN; |
844 | PL_curstackinfo->si_type = PERLSI_MAIN; |
778 | PL_curstack = PL_curstackinfo->si_stack; |
845 | PL_curstack = PL_curstackinfo->si_stack; |
779 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
846 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
780 | |
847 | |
781 | PL_stack_base = AvARRAY(PL_curstack); |
848 | PL_stack_base = AvARRAY(PL_curstack); |
… | |
… | |
980 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
1047 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
981 | { |
1048 | { |
982 | return 1; |
1049 | return 1; |
983 | } |
1050 | } |
984 | |
1051 | |
985 | static UNOP coro_setup_op; |
1052 | static UNOP init_perl_op; |
986 | |
1053 | |
987 | static void NOINLINE /* noinline to keep it out of the transfer fast path */ |
1054 | static void NOINLINE /* noinline to keep it out of the transfer fast path */ |
988 | coro_setup (pTHX_ struct coro *coro) |
1055 | init_perl (pTHX_ struct coro *coro) |
989 | { |
1056 | { |
990 | /* |
1057 | /* |
991 | * emulate part of the perl startup here. |
1058 | * emulate part of the perl startup here. |
992 | */ |
1059 | */ |
993 | coro_init_stacks (aTHX); |
1060 | coro_init_stacks (aTHX); |
… | |
… | |
1000 | PL_comppad_name_fill = 0; |
1067 | PL_comppad_name_fill = 0; |
1001 | PL_comppad_name_floor = 0; |
1068 | PL_comppad_name_floor = 0; |
1002 | PL_curpm = 0; |
1069 | PL_curpm = 0; |
1003 | PL_curpad = 0; |
1070 | PL_curpad = 0; |
1004 | PL_localizing = 0; |
1071 | PL_localizing = 0; |
1005 | PL_dirty = 0; |
|
|
1006 | PL_restartop = 0; |
1072 | PL_restartop = 0; |
1007 | #if PERL_VERSION_ATLEAST (5,10,0) |
1073 | #if PERL_VERSION_ATLEAST (5,10,0) |
1008 | PL_parser = 0; |
1074 | PL_parser = 0; |
1009 | #endif |
1075 | #endif |
1010 | PL_hints = 0; |
1076 | PL_hints = 0; |
… | |
… | |
1042 | */ |
1108 | */ |
1043 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
1109 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
1044 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
1110 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
1045 | |
1111 | |
1046 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
1112 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
1047 | coro_setup_op.op_next = PL_op; |
1113 | init_perl_op.op_next = PL_op; |
1048 | coro_setup_op.op_type = OP_ENTERSUB; |
1114 | init_perl_op.op_type = OP_ENTERSUB; |
1049 | coro_setup_op.op_ppaddr = pp_slf; |
1115 | init_perl_op.op_ppaddr = pp_slf; |
1050 | /* no flags etc. required, as an init function won't be called */ |
1116 | /* no flags etc. required, as an init function won't be called */ |
1051 | |
1117 | |
1052 | PL_op = (OP *)&coro_setup_op; |
1118 | PL_op = (OP *)&init_perl_op; |
1053 | |
1119 | |
1054 | /* copy throw, in case it was set before coro_setup */ |
1120 | /* copy throw, in case it was set before init_perl */ |
1055 | CORO_THROW = coro->except; |
1121 | CORO_THROW = coro->except; |
|
|
1122 | |
|
|
1123 | SWAP_SVS (coro); |
1056 | |
1124 | |
1057 | if (expect_false (enable_times)) |
1125 | if (expect_false (enable_times)) |
1058 | { |
1126 | { |
1059 | coro_times_update (); |
1127 | coro_times_update (); |
1060 | coro_times_sub (coro); |
1128 | coro_times_sub (coro); |
… | |
… | |
1081 | dounwind (-1); |
1149 | dounwind (-1); |
1082 | } |
1150 | } |
1083 | } |
1151 | } |
1084 | |
1152 | |
1085 | static void |
1153 | static void |
1086 | coro_destruct_perl (pTHX_ struct coro *coro) |
1154 | destroy_perl (pTHX_ struct coro *coro) |
1087 | { |
1155 | { |
1088 | SV *svf [9]; |
1156 | SV *svf [9]; |
1089 | |
1157 | |
1090 | { |
1158 | { |
|
|
1159 | SV *old_current = SvRV (coro_current); |
1091 | struct coro *current = SvSTATE_current; |
1160 | struct coro *current = SvSTATE (old_current); |
1092 | |
1161 | |
1093 | assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack)); |
1162 | assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack)); |
1094 | |
1163 | |
1095 | save_perl (aTHX_ current); |
1164 | save_perl (aTHX_ current); |
|
|
1165 | |
|
|
1166 | /* this will cause transfer_check to croak on block*/ |
|
|
1167 | SvRV_set (coro_current, (SV *)coro->hv); |
|
|
1168 | |
1096 | load_perl (aTHX_ coro); |
1169 | load_perl (aTHX_ coro); |
1097 | |
1170 | |
1098 | coro_unwind_stacks (aTHX); |
1171 | coro_unwind_stacks (aTHX); |
1099 | coro_destruct_stacks (aTHX); |
1172 | coro_destruct_stacks (aTHX); |
|
|
1173 | |
|
|
1174 | /* restore swapped sv's */ |
|
|
1175 | SWAP_SVS (coro); |
1100 | |
1176 | |
1101 | // now save some sv's to be free'd later |
1177 | // now save some sv's to be free'd later |
1102 | svf [0] = GvSV (PL_defgv); |
1178 | svf [0] = GvSV (PL_defgv); |
1103 | svf [1] = (SV *)GvAV (PL_defgv); |
1179 | svf [1] = (SV *)GvAV (PL_defgv); |
1104 | svf [2] = GvSV (PL_errgv); |
1180 | svf [2] = GvSV (PL_errgv); |
… | |
… | |
1107 | svf [5] = GvSV (irsgv); |
1183 | svf [5] = GvSV (irsgv); |
1108 | svf [6] = (SV *)GvHV (PL_hintgv); |
1184 | svf [6] = (SV *)GvHV (PL_hintgv); |
1109 | svf [7] = PL_diehook; |
1185 | svf [7] = PL_diehook; |
1110 | svf [8] = PL_warnhook; |
1186 | svf [8] = PL_warnhook; |
1111 | assert (9 == sizeof (svf) / sizeof (*svf)); |
1187 | assert (9 == sizeof (svf) / sizeof (*svf)); |
|
|
1188 | |
|
|
1189 | SvRV_set (coro_current, old_current); |
1112 | |
1190 | |
1113 | load_perl (aTHX_ current); |
1191 | load_perl (aTHX_ current); |
1114 | } |
1192 | } |
1115 | |
1193 | |
1116 | { |
1194 | { |
… | |
… | |
1328 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1406 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1329 | PL_restartop = PL_op; |
1407 | PL_restartop = PL_op; |
1330 | perl_run (PL_curinterp); |
1408 | perl_run (PL_curinterp); |
1331 | /* |
1409 | /* |
1332 | * Unfortunately, there is no way to get at the return values of the |
1410 | * Unfortunately, there is no way to get at the return values of the |
1333 | * coro body here, as perl_run destroys these |
1411 | * coro body here, as perl_run destroys these. Likewise, we cannot catch |
|
|
1412 | * runtime errors here, as this is just a random interpreter, not a thread. |
1334 | */ |
1413 | */ |
1335 | |
1414 | |
1336 | /* |
1415 | /* |
1337 | * If perl-run returns we assume exit() was being called or the coro |
1416 | * If perl-run returns we assume exit() was being called or the coro |
1338 | * fell off the end, which seems to be the only valid (non-bug) |
1417 | * fell off the end, which seems to be the only valid (non-bug) |
… | |
… | |
1425 | cctx_destroy (coro_cctx *cctx) |
1504 | cctx_destroy (coro_cctx *cctx) |
1426 | { |
1505 | { |
1427 | if (!cctx) |
1506 | if (!cctx) |
1428 | return; |
1507 | return; |
1429 | |
1508 | |
1430 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));//D temporary? |
1509 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current)); |
1431 | |
1510 | |
1432 | --cctx_count; |
1511 | --cctx_count; |
1433 | coro_destroy (&cctx->cctx); |
1512 | coro_destroy (&cctx->cctx); |
1434 | |
1513 | |
1435 | /* coro_transfer creates new, empty cctx's */ |
1514 | /* coro_transfer creates new, empty cctx's */ |
… | |
… | |
1545 | if (expect_false (next->flags & CF_NEW)) |
1624 | if (expect_false (next->flags & CF_NEW)) |
1546 | { |
1625 | { |
1547 | /* need to start coroutine */ |
1626 | /* need to start coroutine */ |
1548 | next->flags &= ~CF_NEW; |
1627 | next->flags &= ~CF_NEW; |
1549 | /* setup coroutine call */ |
1628 | /* setup coroutine call */ |
1550 | coro_setup (aTHX_ next); |
1629 | init_perl (aTHX_ next); |
1551 | } |
1630 | } |
1552 | else |
1631 | else |
1553 | load_perl (aTHX_ next); |
1632 | load_perl (aTHX_ next); |
1554 | |
1633 | |
1555 | /* possibly untie and reuse the cctx */ |
1634 | /* possibly untie and reuse the cctx */ |
… | |
… | |
1594 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1673 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1595 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1674 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1596 | |
1675 | |
1597 | /** high level stuff ********************************************************/ |
1676 | /** high level stuff ********************************************************/ |
1598 | |
1677 | |
1599 | static int |
1678 | static void |
1600 | coro_state_destroy (pTHX_ struct coro *coro) |
1679 | coro_state_destroy (pTHX_ struct coro *coro) |
1601 | { |
1680 | { |
1602 | if (coro->flags & CF_DESTROYED) |
1681 | if (coro->flags & CF_DESTROYED) |
1603 | return 0; |
1682 | return; |
1604 | |
1683 | |
1605 | if (coro->on_destroy && !PL_dirty) |
|
|
1606 | coro->on_destroy (aTHX_ coro); |
1684 | slf_destroy (aTHX_ coro); |
1607 | |
1685 | |
1608 | coro->flags |= CF_DESTROYED; |
1686 | coro->flags |= CF_DESTROYED; |
1609 | |
1687 | |
1610 | if (coro->flags & CF_READY) |
1688 | if (coro->flags & CF_READY) |
1611 | { |
1689 | { |
… | |
… | |
1618 | |
1696 | |
1619 | if (coro->mainstack |
1697 | if (coro->mainstack |
1620 | && coro->mainstack != main_mainstack |
1698 | && coro->mainstack != main_mainstack |
1621 | && coro->slot |
1699 | && coro->slot |
1622 | && !PL_dirty) |
1700 | && !PL_dirty) |
1623 | coro_destruct_perl (aTHX_ coro); |
1701 | destroy_perl (aTHX_ coro); |
|
|
1702 | |
|
|
1703 | if (coro->next) coro->next->prev = coro->prev; |
|
|
1704 | if (coro->prev) coro->prev->next = coro->next; |
|
|
1705 | if (coro == coro_first) coro_first = coro->next; |
1624 | |
1706 | |
1625 | cctx_destroy (coro->cctx); |
1707 | cctx_destroy (coro->cctx); |
1626 | SvREFCNT_dec (coro->startcv); |
1708 | SvREFCNT_dec (coro->startcv); |
1627 | SvREFCNT_dec (coro->args); |
1709 | SvREFCNT_dec (coro->args); |
|
|
1710 | SvREFCNT_dec (coro->swap_sv); |
1628 | SvREFCNT_dec (CORO_THROW); |
1711 | SvREFCNT_dec (CORO_THROW); |
1629 | |
|
|
1630 | if (coro->next) coro->next->prev = coro->prev; |
|
|
1631 | if (coro->prev) coro->prev->next = coro->next; |
|
|
1632 | if (coro == coro_first) coro_first = coro->next; |
|
|
1633 | |
|
|
1634 | return 1; |
|
|
1635 | } |
1712 | } |
1636 | |
1713 | |
1637 | static int |
1714 | static int |
1638 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1715 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1639 | { |
1716 | { |
… | |
… | |
1687 | |
1764 | |
1688 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1765 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1689 | TRANSFER (ta, 1); |
1766 | TRANSFER (ta, 1); |
1690 | } |
1767 | } |
1691 | |
1768 | |
1692 | /*****************************************************************************/ |
|
|
1693 | /* gensub: simple closure generation utility */ |
|
|
1694 | |
|
|
1695 | #define GENSUB_ARG CvXSUBANY (cv).any_ptr |
|
|
1696 | |
|
|
1697 | /* create a closure from XS, returns a code reference */ |
|
|
1698 | /* the arg can be accessed via GENSUB_ARG from the callback */ |
|
|
1699 | /* the callback must use dXSARGS/XSRETURN */ |
|
|
1700 | static SV * |
|
|
1701 | gensub (pTHX_ void (*xsub)(pTHX_ CV *), void *arg) |
|
|
1702 | { |
|
|
1703 | CV *cv = (CV *)newSV (0); |
|
|
1704 | |
|
|
1705 | sv_upgrade ((SV *)cv, SVt_PVCV); |
|
|
1706 | |
|
|
1707 | CvANON_on (cv); |
|
|
1708 | CvISXSUB_on (cv); |
|
|
1709 | CvXSUB (cv) = xsub; |
|
|
1710 | GENSUB_ARG = arg; |
|
|
1711 | |
|
|
1712 | return newRV_noinc ((SV *)cv); |
|
|
1713 | } |
|
|
1714 | |
|
|
1715 | /** Coro ********************************************************************/ |
1769 | /** Coro ********************************************************************/ |
1716 | |
1770 | |
1717 | INLINE void |
1771 | INLINE void |
1718 | coro_enq (pTHX_ struct coro *coro) |
1772 | coro_enq (pTHX_ struct coro *coro) |
1719 | { |
1773 | { |
… | |
… | |
1744 | } |
1798 | } |
1745 | |
1799 | |
1746 | return 0; |
1800 | return 0; |
1747 | } |
1801 | } |
1748 | |
1802 | |
|
|
1803 | static void |
|
|
1804 | invoke_sv_ready_hook_helper (void) |
|
|
1805 | { |
|
|
1806 | dTHX; |
|
|
1807 | dSP; |
|
|
1808 | |
|
|
1809 | ENTER; |
|
|
1810 | SAVETMPS; |
|
|
1811 | |
|
|
1812 | PUSHMARK (SP); |
|
|
1813 | PUTBACK; |
|
|
1814 | call_sv (coro_readyhook, G_VOID | G_DISCARD); |
|
|
1815 | |
|
|
1816 | FREETMPS; |
|
|
1817 | LEAVE; |
|
|
1818 | } |
|
|
1819 | |
1749 | static int |
1820 | static int |
1750 | api_ready (pTHX_ SV *coro_sv) |
1821 | api_ready (pTHX_ SV *coro_sv) |
1751 | { |
1822 | { |
1752 | struct coro *coro; |
|
|
1753 | SV *sv_hook; |
|
|
1754 | void (*xs_hook)(void); |
|
|
1755 | |
|
|
1756 | coro = SvSTATE (coro_sv); |
1823 | struct coro *coro = SvSTATE (coro_sv); |
1757 | |
1824 | |
1758 | if (coro->flags & CF_READY) |
1825 | if (coro->flags & CF_READY) |
1759 | return 0; |
1826 | return 0; |
1760 | |
1827 | |
1761 | coro->flags |= CF_READY; |
1828 | coro->flags |= CF_READY; |
1762 | |
1829 | |
1763 | sv_hook = coro_nready ? 0 : coro_readyhook; |
|
|
1764 | xs_hook = coro_nready ? 0 : coroapi.readyhook; |
|
|
1765 | |
|
|
1766 | coro_enq (aTHX_ coro); |
1830 | coro_enq (aTHX_ coro); |
1767 | ++coro_nready; |
|
|
1768 | |
1831 | |
1769 | if (sv_hook) |
1832 | if (!coro_nready++) |
1770 | { |
1833 | if (coroapi.readyhook) |
1771 | dSP; |
1834 | coroapi.readyhook (); |
1772 | |
|
|
1773 | ENTER; |
|
|
1774 | SAVETMPS; |
|
|
1775 | |
|
|
1776 | PUSHMARK (SP); |
|
|
1777 | PUTBACK; |
|
|
1778 | call_sv (sv_hook, G_VOID | G_DISCARD); |
|
|
1779 | |
|
|
1780 | FREETMPS; |
|
|
1781 | LEAVE; |
|
|
1782 | } |
|
|
1783 | |
|
|
1784 | if (xs_hook) |
|
|
1785 | xs_hook (); |
|
|
1786 | |
1835 | |
1787 | return 1; |
1836 | return 1; |
1788 | } |
1837 | } |
1789 | |
1838 | |
1790 | static int |
1839 | static int |
… | |
… | |
1835 | { |
1884 | { |
1836 | /* nothing to schedule: call the idle handler */ |
1885 | /* nothing to schedule: call the idle handler */ |
1837 | if (SvROK (sv_idle) |
1886 | if (SvROK (sv_idle) |
1838 | && SvOBJECT (SvRV (sv_idle))) |
1887 | && SvOBJECT (SvRV (sv_idle))) |
1839 | { |
1888 | { |
|
|
1889 | if (SvRV (sv_idle) == SvRV (coro_current)) |
|
|
1890 | croak ("FATAL: $Coro::IDLE blocked itself - did you try to block inside an event loop callback? Caught"); |
|
|
1891 | |
1840 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
1892 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
1841 | api_ready (aTHX_ SvRV (sv_idle)); |
1893 | api_ready (aTHX_ SvRV (sv_idle)); |
1842 | --coro_nready; |
1894 | --coro_nready; |
1843 | } |
1895 | } |
1844 | else |
1896 | else |
1845 | { |
1897 | { |
|
|
1898 | /* TODO: deprecated, remove, cannot work reliably *//*D*/ |
1846 | dSP; |
1899 | dSP; |
1847 | |
1900 | |
1848 | ENTER; |
1901 | ENTER; |
1849 | SAVETMPS; |
1902 | SAVETMPS; |
1850 | |
1903 | |
… | |
… | |
1960 | |
2013 | |
1961 | static void |
2014 | static void |
1962 | coro_call_on_destroy (pTHX_ struct coro *coro) |
2015 | coro_call_on_destroy (pTHX_ struct coro *coro) |
1963 | { |
2016 | { |
1964 | SV **on_destroyp = hv_fetch (coro->hv, "_on_destroy", sizeof ("_on_destroy") - 1, 0); |
2017 | SV **on_destroyp = hv_fetch (coro->hv, "_on_destroy", sizeof ("_on_destroy") - 1, 0); |
1965 | SV **statusp = hv_fetch (coro->hv, "_status", sizeof ("_status") - 1, 0); |
|
|
1966 | |
2018 | |
1967 | if (on_destroyp) |
2019 | if (on_destroyp) |
1968 | { |
2020 | { |
1969 | AV *on_destroy = (AV *)SvRV (*on_destroyp); |
2021 | SV **statusp = hv_fetch (coro->hv, "_status", sizeof ("_status") - 1, 0); |
|
|
2022 | AV *on_destroy = sv_2mortal (SvREFCNT_inc ((AV *)SvRV (*on_destroyp))); |
|
|
2023 | AV *status = statusp ? sv_2mortal (SvREFCNT_inc ((AV *)SvRV (*statusp))) : 0; |
1970 | |
2024 | |
1971 | while (AvFILLp (on_destroy) >= 0) |
2025 | while (AvFILLp (on_destroy) >= 0) |
1972 | { |
2026 | { |
1973 | dSP; /* don't disturb outer sp */ |
2027 | dSP; /* don't disturb outer sp */ |
1974 | SV *cb = av_pop (on_destroy); |
2028 | SV *cb = av_pop (on_destroy); |
… | |
… | |
1976 | PUSHMARK (SP); |
2030 | PUSHMARK (SP); |
1977 | |
2031 | |
1978 | if (statusp) |
2032 | if (statusp) |
1979 | { |
2033 | { |
1980 | int i; |
2034 | int i; |
1981 | AV *status = (AV *)SvRV (*statusp); |
|
|
1982 | EXTEND (SP, AvFILLp (status) + 1); |
2035 | EXTEND (SP, AvFILLp (status) + 1); |
1983 | |
2036 | |
1984 | for (i = 0; i <= AvFILLp (status); ++i) |
2037 | for (i = 0; i <= AvFILLp (status); ++i) |
1985 | PUSHs (AvARRAY (status)[i]); |
2038 | PUSHs (AvARRAY (status)[i]); |
1986 | } |
2039 | } |
… | |
… | |
1990 | } |
2043 | } |
1991 | } |
2044 | } |
1992 | } |
2045 | } |
1993 | |
2046 | |
1994 | static void |
2047 | static void |
1995 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2048 | coro_set_status (pTHX_ HV *coro_hv, SV **arg, int items) |
1996 | { |
2049 | { |
1997 | int i; |
|
|
1998 | HV *hv = (HV *)SvRV (coro_current); |
|
|
1999 | AV *av = newAV (); |
2050 | AV *av = newAV (); |
2000 | |
2051 | |
|
|
2052 | /* items are actually not so common, so optimise for this case */ |
|
|
2053 | if (items) |
|
|
2054 | { |
|
|
2055 | int i; |
|
|
2056 | |
2001 | av_extend (av, items - 1); |
2057 | av_extend (av, items - 1); |
|
|
2058 | |
2002 | for (i = 0; i < items; ++i) |
2059 | for (i = 0; i < items; ++i) |
2003 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
2060 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
|
|
2061 | } |
2004 | |
2062 | |
2005 | hv_store (hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0); |
2063 | hv_store (coro_hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0); |
|
|
2064 | } |
2006 | |
2065 | |
|
|
2066 | static void |
|
|
2067 | slf_init_terminate_cancel_common (pTHX_ struct CoroSLF *frame, HV *coro_hv) |
|
|
2068 | { |
2007 | av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */ |
2069 | av_push (av_destroy, (SV *)newRV_inc ((SV *)coro_hv)); /* RVinc for perl */ |
2008 | api_ready (aTHX_ sv_manager); |
2070 | api_ready (aTHX_ sv_manager); |
2009 | |
2071 | |
2010 | frame->prepare = prepare_schedule; |
2072 | frame->prepare = prepare_schedule; |
2011 | frame->check = slf_check_repeat; |
2073 | frame->check = slf_check_repeat; |
2012 | |
2074 | |
2013 | /* as a minor optimisation, we could unwind all stacks here */ |
2075 | /* as a minor optimisation, we could unwind all stacks here */ |
2014 | /* but that puts extra pressure on pp_slf, and is not worth much */ |
2076 | /* but that puts extra pressure on pp_slf, and is not worth much */ |
2015 | /*coro_unwind_stacks (aTHX);*/ |
2077 | /*coro_unwind_stacks (aTHX);*/ |
|
|
2078 | } |
|
|
2079 | |
|
|
2080 | static void |
|
|
2081 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2082 | { |
|
|
2083 | HV *coro_hv = (HV *)SvRV (coro_current); |
|
|
2084 | |
|
|
2085 | coro_set_status (aTHX_ coro_hv, arg, items); |
|
|
2086 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
|
|
2087 | } |
|
|
2088 | |
|
|
2089 | static void |
|
|
2090 | slf_init_cancel (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2091 | { |
|
|
2092 | HV *coro_hv; |
|
|
2093 | struct coro *coro; |
|
|
2094 | |
|
|
2095 | if (items <= 0) |
|
|
2096 | croak ("Coro::cancel called without coro object,"); |
|
|
2097 | |
|
|
2098 | coro = SvSTATE (arg [0]); |
|
|
2099 | coro_hv = coro->hv; |
|
|
2100 | |
|
|
2101 | coro_set_status (aTHX_ coro_hv, arg + 1, items - 1); |
|
|
2102 | |
|
|
2103 | if (expect_false (coro->flags & CF_NOCANCEL)) |
|
|
2104 | { |
|
|
2105 | /* coro currently busy cancelling something, so just notify it */ |
|
|
2106 | coro->slf_frame.data = (void *)coro; |
|
|
2107 | |
|
|
2108 | frame->prepare = prepare_nop; |
|
|
2109 | frame->check = slf_check_nop; |
|
|
2110 | } |
|
|
2111 | else if (coro_hv == (HV *)SvRV (coro_current)) |
|
|
2112 | { |
|
|
2113 | /* cancelling the current coro is allowed, and equals terminate */ |
|
|
2114 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
|
|
2115 | } |
|
|
2116 | else |
|
|
2117 | { |
|
|
2118 | struct coro *self = SvSTATE_current; |
|
|
2119 | |
|
|
2120 | /* otherwise we cancel directly, purely for speed reasons |
|
|
2121 | * unfortunately, this requires some magic trickery, as |
|
|
2122 | * somebody else could cancel us, so we have to fight the cancellation. |
|
|
2123 | * this is ugly, and hopefully fully worth the extra speed. |
|
|
2124 | * besides, I can't get the slow-but-safe version working... |
|
|
2125 | */ |
|
|
2126 | slf_frame.data = 0; |
|
|
2127 | self->flags |= CF_NOCANCEL; |
|
|
2128 | |
|
|
2129 | coro_state_destroy (aTHX_ coro); |
|
|
2130 | coro_call_on_destroy (aTHX_ coro); |
|
|
2131 | |
|
|
2132 | self->flags &= ~CF_NOCANCEL; |
|
|
2133 | |
|
|
2134 | if (slf_frame.data) |
|
|
2135 | { |
|
|
2136 | /* while we were busy we have been cancelled, so terminate */ |
|
|
2137 | slf_init_terminate_cancel_common (aTHX_ frame, self->hv); |
|
|
2138 | } |
|
|
2139 | else |
|
|
2140 | { |
|
|
2141 | frame->prepare = prepare_nop; |
|
|
2142 | frame->check = slf_check_nop; |
|
|
2143 | } |
|
|
2144 | } |
|
|
2145 | } |
|
|
2146 | |
|
|
2147 | static int |
|
|
2148 | slf_check_safe_cancel (pTHX_ struct CoroSLF *frame) |
|
|
2149 | { |
|
|
2150 | frame->prepare = 0; |
|
|
2151 | coro_unwind_stacks (aTHX); |
|
|
2152 | |
|
|
2153 | slf_init_terminate_cancel_common (aTHX_ frame, (HV *)SvRV (coro_current)); |
|
|
2154 | |
|
|
2155 | return 1; |
|
|
2156 | } |
|
|
2157 | |
|
|
2158 | static int |
|
|
2159 | safe_cancel (pTHX_ struct coro *coro, SV **arg, int items) |
|
|
2160 | { |
|
|
2161 | if (coro->cctx) |
|
|
2162 | croak ("coro inside C callback, unable to cancel at this time, caught"); |
|
|
2163 | |
|
|
2164 | if (coro->flags & CF_NEW) |
|
|
2165 | { |
|
|
2166 | coro_set_status (aTHX_ coro->hv, arg, items); |
|
|
2167 | coro_state_destroy (aTHX_ coro); |
|
|
2168 | coro_call_on_destroy (aTHX_ coro); |
|
|
2169 | } |
|
|
2170 | else |
|
|
2171 | { |
|
|
2172 | if (!coro->slf_frame.prepare) |
|
|
2173 | croak ("coro outside an SLF function, unable to cancel at this time, caught"); |
|
|
2174 | |
|
|
2175 | slf_destroy (aTHX_ coro); |
|
|
2176 | |
|
|
2177 | coro_set_status (aTHX_ coro->hv, arg, items); |
|
|
2178 | coro->slf_frame.prepare = prepare_nop; |
|
|
2179 | coro->slf_frame.check = slf_check_safe_cancel; |
|
|
2180 | |
|
|
2181 | api_ready (aTHX_ coro->hv); |
|
|
2182 | } |
|
|
2183 | |
|
|
2184 | return 1; |
2016 | } |
2185 | } |
2017 | |
2186 | |
2018 | /*****************************************************************************/ |
2187 | /*****************************************************************************/ |
2019 | /* async pool handler */ |
2188 | /* async pool handler */ |
2020 | |
2189 | |
… | |
… | |
2060 | coro->saved_deffh = 0; |
2229 | coro->saved_deffh = 0; |
2061 | |
2230 | |
2062 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
2231 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
2063 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
2232 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
2064 | { |
2233 | { |
2065 | coro->invoke_cb = SvREFCNT_inc_NN ((SV *)cv_coro_terminate); |
2234 | slf_init_terminate_cancel_common (aTHX_ frame, hv); |
2066 | coro->invoke_av = newAV (); |
2235 | return; |
2067 | |
|
|
2068 | frame->prepare = prepare_nop; |
|
|
2069 | } |
2236 | } |
2070 | else |
2237 | else |
2071 | { |
2238 | { |
2072 | av_clear (GvAV (PL_defgv)); |
2239 | av_clear (GvAV (PL_defgv)); |
2073 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
2240 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
… | |
… | |
2098 | |
2265 | |
2099 | static void |
2266 | static void |
2100 | coro_rouse_callback (pTHX_ CV *cv) |
2267 | coro_rouse_callback (pTHX_ CV *cv) |
2101 | { |
2268 | { |
2102 | dXSARGS; |
2269 | dXSARGS; |
2103 | SV *data = (SV *)GENSUB_ARG; |
2270 | SV *data = (SV *)S_GENSUB_ARG; |
2104 | |
2271 | |
2105 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2272 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2106 | { |
2273 | { |
2107 | /* first call, set args */ |
2274 | /* first call, set args */ |
2108 | SV *coro = SvRV (data); |
2275 | SV *coro = SvRV (data); |
… | |
… | |
2174 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2341 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2175 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2342 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2176 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2343 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2177 | |
2344 | |
2178 | { |
2345 | { |
2179 | CV *cv = (CV *)SvRV (cb); /* for GENSUB_ARG */ |
2346 | CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ |
2180 | SV *data = (SV *)GENSUB_ARG; |
2347 | SV *data = (SV *)S_GENSUB_ARG; |
2181 | |
2348 | |
2182 | frame->data = (void *)data; |
2349 | frame->data = (void *)data; |
2183 | frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule; |
2350 | frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule; |
2184 | frame->check = slf_check_rouse_wait; |
2351 | frame->check = slf_check_rouse_wait; |
2185 | } |
2352 | } |
… | |
… | |
2189 | coro_new_rouse_cb (pTHX) |
2356 | coro_new_rouse_cb (pTHX) |
2190 | { |
2357 | { |
2191 | HV *hv = (HV *)SvRV (coro_current); |
2358 | HV *hv = (HV *)SvRV (coro_current); |
2192 | struct coro *coro = SvSTATE_hv (hv); |
2359 | struct coro *coro = SvSTATE_hv (hv); |
2193 | SV *data = newRV_inc ((SV *)hv); |
2360 | SV *data = newRV_inc ((SV *)hv); |
2194 | SV *cb = gensub (aTHX_ coro_rouse_callback, (void *)data); |
2361 | SV *cb = s_gensub (aTHX_ coro_rouse_callback, (void *)data); |
2195 | |
2362 | |
2196 | sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0); |
2363 | sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0); |
2197 | SvREFCNT_dec (data); /* magicext increases the refcount */ |
2364 | SvREFCNT_dec (data); /* magicext increases the refcount */ |
2198 | |
2365 | |
2199 | SvREFCNT_dec (coro->rouse_cb); |
2366 | SvREFCNT_dec (coro->rouse_cb); |
… | |
… | |
2296 | static void |
2463 | static void |
2297 | slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2464 | slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2298 | { |
2465 | { |
2299 | frame->prepare = prepare_cede_notself; |
2466 | frame->prepare = prepare_cede_notself; |
2300 | frame->check = slf_check_nop; |
2467 | frame->check = slf_check_nop; |
|
|
2468 | } |
|
|
2469 | |
|
|
2470 | /* "undo"/cancel a running slf call - used when cancelling a coro, mainly */ |
|
|
2471 | static void |
|
|
2472 | slf_destroy (pTHX_ struct coro *coro) |
|
|
2473 | { |
|
|
2474 | /* this callback is reserved for slf functions needing to do cleanup */ |
|
|
2475 | if (coro->slf_frame.destroy && coro->slf_frame.prepare && !PL_dirty) |
|
|
2476 | coro->slf_frame.destroy (aTHX_ coro); |
|
|
2477 | |
|
|
2478 | /* |
|
|
2479 | * The on_destroy above most likely is from an SLF call. |
|
|
2480 | * Since by definition the SLF call will not finish when we destroy |
|
|
2481 | * the coro, we will have to force-finish it here, otherwise |
|
|
2482 | * cleanup functions cannot call SLF functions. |
|
|
2483 | */ |
|
|
2484 | coro->slf_frame.prepare = 0; |
2301 | } |
2485 | } |
2302 | |
2486 | |
2303 | /* |
2487 | /* |
2304 | * these not obviously related functions are all rolled into one |
2488 | * these not obviously related functions are all rolled into one |
2305 | * function to increase chances that they all will call transfer with the same |
2489 | * function to increase chances that they all will call transfer with the same |
… | |
… | |
2424 | if (PL_op->op_flags & OPf_STACKED) |
2608 | if (PL_op->op_flags & OPf_STACKED) |
2425 | { |
2609 | { |
2426 | if (items > slf_arga) |
2610 | if (items > slf_arga) |
2427 | { |
2611 | { |
2428 | slf_arga = items; |
2612 | slf_arga = items; |
2429 | free (slf_argv); |
2613 | Safefree (slf_argv); |
2430 | slf_argv = malloc (slf_arga * sizeof (SV *)); |
2614 | New (0, slf_argv, slf_arga, SV *); |
2431 | } |
2615 | } |
2432 | |
2616 | |
2433 | slf_argc = items; |
2617 | slf_argc = items; |
2434 | |
2618 | |
2435 | for (i = 0; i < items; ++i) |
2619 | for (i = 0; i < items; ++i) |
… | |
… | |
2631 | SvREFCNT_dec (cb); |
2815 | SvREFCNT_dec (cb); |
2632 | } |
2816 | } |
2633 | } |
2817 | } |
2634 | |
2818 | |
2635 | static void |
2819 | static void |
2636 | coro_semaphore_on_destroy (pTHX_ struct coro *coro) |
2820 | coro_semaphore_destroy (pTHX_ struct coro *coro) |
2637 | { |
2821 | { |
2638 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
2822 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
2639 | coro_semaphore_adjust (aTHX_ (AV *)coro->slf_frame.data, 0); |
2823 | coro_semaphore_adjust (aTHX_ (AV *)coro->slf_frame.data, 0); |
2640 | } |
2824 | } |
2641 | |
2825 | |
… | |
… | |
2648 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2832 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2649 | if (CORO_THROW) |
2833 | if (CORO_THROW) |
2650 | return 0; |
2834 | return 0; |
2651 | else if (SvIVX (count_sv) > 0) |
2835 | else if (SvIVX (count_sv) > 0) |
2652 | { |
2836 | { |
2653 | SvSTATE_current->on_destroy = 0; |
2837 | frame->destroy = 0; |
2654 | |
2838 | |
2655 | if (acquire) |
2839 | if (acquire) |
2656 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2840 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2657 | else |
2841 | else |
2658 | coro_semaphore_adjust (aTHX_ av, 0); |
2842 | coro_semaphore_adjust (aTHX_ av, 0); |
… | |
… | |
2701 | { |
2885 | { |
2702 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2886 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2703 | |
2887 | |
2704 | frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); |
2888 | frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); |
2705 | frame->prepare = prepare_schedule; |
2889 | frame->prepare = prepare_schedule; |
2706 | |
|
|
2707 | /* to avoid race conditions when a woken-up coro gets terminated */ |
2890 | /* to avoid race conditions when a woken-up coro gets terminated */ |
2708 | /* we arrange for a temporary on_destroy that calls adjust (0) */ |
2891 | /* we arrange for a temporary on_destroy that calls adjust (0) */ |
2709 | SvSTATE_current->on_destroy = coro_semaphore_on_destroy; |
2892 | frame->destroy = coro_semaphore_destroy; |
2710 | } |
2893 | } |
2711 | } |
2894 | } |
2712 | |
2895 | |
2713 | static void |
2896 | static void |
2714 | slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2897 | slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
… | |
… | |
2722 | { |
2905 | { |
2723 | if (items >= 2) |
2906 | if (items >= 2) |
2724 | { |
2907 | { |
2725 | /* callback form */ |
2908 | /* callback form */ |
2726 | AV *av = (AV *)SvRV (arg [0]); |
2909 | AV *av = (AV *)SvRV (arg [0]); |
2727 | CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]); |
2910 | SV *cb_cv = s_get_cv_croak (arg [1]); |
2728 | |
2911 | |
2729 | av_push (av, SvREFCNT_inc_NN (cb_cv)); |
2912 | av_push (av, SvREFCNT_inc_NN (cb_cv)); |
2730 | |
2913 | |
2731 | if (SvIVX (AvARRAY (av)[0]) > 0) |
2914 | if (SvIVX (AvARRAY (av)[0]) > 0) |
2732 | coro_semaphore_adjust (aTHX_ av, 0); |
2915 | coro_semaphore_adjust (aTHX_ av, 0); |
… | |
… | |
2792 | { |
2975 | { |
2793 | AV *av = (AV *)SvRV (arg [0]); |
2976 | AV *av = (AV *)SvRV (arg [0]); |
2794 | |
2977 | |
2795 | if (items >= 2) |
2978 | if (items >= 2) |
2796 | { |
2979 | { |
2797 | CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]); |
2980 | SV *cb_cv = s_get_cv_croak (arg [1]); |
2798 | av_push (av, SvREFCNT_inc_NN (cb_cv)); |
2981 | av_push (av, SvREFCNT_inc_NN (cb_cv)); |
2799 | |
2982 | |
2800 | if (SvIVX (AvARRAY (av)[0])) |
2983 | if (SvIVX (AvARRAY (av)[0])) |
2801 | coro_signal_wake (aTHX_ av, 1); /* ust be the only waiter */ |
2984 | coro_signal_wake (aTHX_ av, 1); /* must be the only waiter */ |
2802 | |
2985 | |
2803 | frame->prepare = prepare_nop; |
2986 | frame->prepare = prepare_nop; |
2804 | frame->check = slf_check_nop; |
2987 | frame->check = slf_check_nop; |
2805 | } |
2988 | } |
2806 | else if (SvIVX (AvARRAY (av)[0])) |
2989 | else if (SvIVX (AvARRAY (av)[0])) |
… | |
… | |
2837 | |
3020 | |
2838 | static void |
3021 | static void |
2839 | coro_aio_callback (pTHX_ CV *cv) |
3022 | coro_aio_callback (pTHX_ CV *cv) |
2840 | { |
3023 | { |
2841 | dXSARGS; |
3024 | dXSARGS; |
2842 | AV *state = (AV *)GENSUB_ARG; |
3025 | AV *state = (AV *)S_GENSUB_ARG; |
2843 | SV *coro = av_pop (state); |
3026 | SV *coro = av_pop (state); |
2844 | SV *data_sv = newSV (sizeof (struct io_state)); |
3027 | SV *data_sv = newSV (sizeof (struct io_state)); |
2845 | |
3028 | |
2846 | av_extend (state, items - 1); |
3029 | av_extend (state, items - 1); |
2847 | |
3030 | |
… | |
… | |
2961 | |
3144 | |
2962 | for (i = 0; i < items; ++i) |
3145 | for (i = 0; i < items; ++i) |
2963 | PUSHs (arg [i]); |
3146 | PUSHs (arg [i]); |
2964 | |
3147 | |
2965 | /* now push the callback closure */ |
3148 | /* now push the callback closure */ |
2966 | PUSHs (sv_2mortal (gensub (aTHX_ coro_aio_callback, (void *)SvREFCNT_inc_NN ((SV *)state)))); |
3149 | PUSHs (sv_2mortal (s_gensub (aTHX_ coro_aio_callback, (void *)SvREFCNT_inc_NN ((SV *)state)))); |
2967 | |
3150 | |
2968 | /* now call the AIO function - we assume our request is uncancelable */ |
3151 | /* now call the AIO function - we assume our request is uncancelable */ |
2969 | PUTBACK; |
3152 | PUTBACK; |
2970 | call_sv ((SV *)req, G_VOID | G_DISCARD); |
3153 | call_sv ((SV *)req, G_VOID | G_DISCARD); |
2971 | } |
3154 | } |
2972 | |
3155 | |
2973 | /* now that the requets is going, we loop toll we have a result */ |
3156 | /* now that the request is going, we loop till we have a result */ |
2974 | frame->data = (void *)state; |
3157 | frame->data = (void *)state; |
2975 | frame->prepare = prepare_schedule; |
3158 | frame->prepare = prepare_schedule; |
2976 | frame->check = slf_check_aio_req; |
3159 | frame->check = slf_check_aio_req; |
2977 | } |
3160 | } |
2978 | |
3161 | |
… | |
… | |
2989 | /*****************************************************************************/ |
3172 | /*****************************************************************************/ |
2990 | |
3173 | |
2991 | #if CORO_CLONE |
3174 | #if CORO_CLONE |
2992 | # include "clone.c" |
3175 | # include "clone.c" |
2993 | #endif |
3176 | #endif |
|
|
3177 | |
|
|
3178 | /*****************************************************************************/ |
|
|
3179 | |
|
|
3180 | static SV * |
|
|
3181 | coro_new (pTHX_ HV *stash, SV **argv, int argc, int is_coro) |
|
|
3182 | { |
|
|
3183 | SV *coro_sv; |
|
|
3184 | struct coro *coro; |
|
|
3185 | MAGIC *mg; |
|
|
3186 | HV *hv; |
|
|
3187 | SV *cb; |
|
|
3188 | int i; |
|
|
3189 | |
|
|
3190 | if (argc > 0) |
|
|
3191 | { |
|
|
3192 | cb = s_get_cv_croak (argv [0]); |
|
|
3193 | |
|
|
3194 | if (!is_coro) |
|
|
3195 | { |
|
|
3196 | if (CvISXSUB (cb)) |
|
|
3197 | croak ("Coro::State doesn't support XS functions as coroutine start, caught"); |
|
|
3198 | |
|
|
3199 | if (!CvROOT (cb)) |
|
|
3200 | croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught"); |
|
|
3201 | } |
|
|
3202 | } |
|
|
3203 | |
|
|
3204 | Newz (0, coro, 1, struct coro); |
|
|
3205 | coro->args = newAV (); |
|
|
3206 | coro->flags = CF_NEW; |
|
|
3207 | |
|
|
3208 | if (coro_first) coro_first->prev = coro; |
|
|
3209 | coro->next = coro_first; |
|
|
3210 | coro_first = coro; |
|
|
3211 | |
|
|
3212 | coro->hv = hv = newHV (); |
|
|
3213 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
|
|
3214 | mg->mg_flags |= MGf_DUP; |
|
|
3215 | coro_sv = sv_bless (newRV_noinc ((SV *)hv), stash); |
|
|
3216 | |
|
|
3217 | if (argc > 0) |
|
|
3218 | { |
|
|
3219 | av_extend (coro->args, argc + is_coro - 1); |
|
|
3220 | |
|
|
3221 | if (is_coro) |
|
|
3222 | { |
|
|
3223 | av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb)); |
|
|
3224 | cb = (SV *)cv_coro_run; |
|
|
3225 | } |
|
|
3226 | |
|
|
3227 | coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb); |
|
|
3228 | |
|
|
3229 | for (i = 1; i < argc; i++) |
|
|
3230 | av_push (coro->args, newSVsv (argv [i])); |
|
|
3231 | } |
|
|
3232 | |
|
|
3233 | return coro_sv; |
|
|
3234 | } |
2994 | |
3235 | |
2995 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
3236 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
2996 | |
3237 | |
2997 | PROTOTYPES: DISABLE |
3238 | PROTOTYPES: DISABLE |
2998 | |
3239 | |
… | |
… | |
3051 | coroapi.prepare_nop = prepare_nop; |
3292 | coroapi.prepare_nop = prepare_nop; |
3052 | coroapi.prepare_schedule = prepare_schedule; |
3293 | coroapi.prepare_schedule = prepare_schedule; |
3053 | coroapi.prepare_cede = prepare_cede; |
3294 | coroapi.prepare_cede = prepare_cede; |
3054 | coroapi.prepare_cede_notself = prepare_cede_notself; |
3295 | coroapi.prepare_cede_notself = prepare_cede_notself; |
3055 | |
3296 | |
3056 | { |
3297 | time_init (aTHX); |
3057 | SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
|
|
3058 | |
|
|
3059 | if (!svp) croak ("Time::HiRes is required"); |
|
|
3060 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer"); |
|
|
3061 | |
|
|
3062 | nvtime = INT2PTR (double (*)(), SvIV (*svp)); |
|
|
3063 | |
|
|
3064 | svp = hv_fetch (PL_modglobal, "Time::U2time", 12, 0); |
|
|
3065 | u2time = INT2PTR (void (*)(pTHX_ UV ret[2]), SvIV (*svp)); |
|
|
3066 | } |
|
|
3067 | |
3298 | |
3068 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
3299 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
3069 | } |
3300 | } |
3070 | |
3301 | |
3071 | SV * |
3302 | SV * |
3072 | new (char *klass, ...) |
3303 | new (SV *klass, ...) |
3073 | ALIAS: |
3304 | ALIAS: |
3074 | Coro::new = 1 |
3305 | Coro::new = 1 |
3075 | CODE: |
3306 | CODE: |
3076 | { |
3307 | RETVAL = coro_new (aTHX_ ix ? coro_stash : coro_state_stash, &ST (1), items - 1, ix); |
3077 | struct coro *coro; |
3308 | OUTPUT: |
3078 | MAGIC *mg; |
|
|
3079 | HV *hv; |
|
|
3080 | CV *cb; |
|
|
3081 | int i; |
|
|
3082 | |
|
|
3083 | if (items > 1) |
|
|
3084 | { |
|
|
3085 | cb = coro_sv_2cv (aTHX_ ST (1)); |
|
|
3086 | |
|
|
3087 | if (!ix) |
|
|
3088 | { |
|
|
3089 | if (CvISXSUB (cb)) |
|
|
3090 | croak ("Coro::State doesn't support XS functions as coroutine start, caught"); |
|
|
3091 | |
|
|
3092 | if (!CvROOT (cb)) |
|
|
3093 | croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught"); |
|
|
3094 | } |
|
|
3095 | } |
|
|
3096 | |
|
|
3097 | Newz (0, coro, 1, struct coro); |
|
|
3098 | coro->args = newAV (); |
|
|
3099 | coro->flags = CF_NEW; |
|
|
3100 | |
|
|
3101 | if (coro_first) coro_first->prev = coro; |
|
|
3102 | coro->next = coro_first; |
|
|
3103 | coro_first = coro; |
|
|
3104 | |
|
|
3105 | coro->hv = hv = newHV (); |
|
|
3106 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
|
|
3107 | mg->mg_flags |= MGf_DUP; |
|
|
3108 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
|
|
3109 | |
|
|
3110 | if (items > 1) |
|
|
3111 | { |
|
|
3112 | av_extend (coro->args, items - 1 + ix - 1); |
|
|
3113 | |
|
|
3114 | if (ix) |
|
|
3115 | { |
|
|
3116 | av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb)); |
|
|
3117 | cb = cv_coro_run; |
|
|
3118 | } |
|
|
3119 | |
|
|
3120 | coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb); |
|
|
3121 | |
|
|
3122 | for (i = 2; i < items; i++) |
|
|
3123 | av_push (coro->args, newSVsv (ST (i))); |
|
|
3124 | } |
|
|
3125 | } |
|
|
3126 | OUTPUT: |
|
|
3127 | RETVAL |
3309 | RETVAL |
3128 | |
3310 | |
3129 | void |
3311 | void |
3130 | transfer (...) |
3312 | transfer (...) |
3131 | PROTOTYPE: $$ |
3313 | PROTOTYPE: $$ |
3132 | CODE: |
3314 | CODE: |
3133 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3315 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3134 | |
|
|
3135 | bool |
|
|
3136 | _destroy (SV *coro_sv) |
|
|
3137 | CODE: |
|
|
3138 | RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv)); |
|
|
3139 | OUTPUT: |
|
|
3140 | RETVAL |
|
|
3141 | |
3316 | |
3142 | void |
3317 | void |
3143 | _exit (int code) |
3318 | _exit (int code) |
3144 | PROTOTYPE: $ |
3319 | PROTOTYPE: $ |
3145 | CODE: |
3320 | CODE: |
… | |
… | |
3221 | CODE: |
3396 | CODE: |
3222 | { |
3397 | { |
3223 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
3398 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
3224 | { |
3399 | { |
3225 | struct coro *current = SvSTATE_current; |
3400 | struct coro *current = SvSTATE_current; |
|
|
3401 | struct CoroSLF slf_save; |
3226 | |
3402 | |
3227 | if (current != coro) |
3403 | if (current != coro) |
3228 | { |
3404 | { |
3229 | PUTBACK; |
3405 | PUTBACK; |
3230 | save_perl (aTHX_ current); |
3406 | save_perl (aTHX_ current); |
3231 | load_perl (aTHX_ coro); |
3407 | load_perl (aTHX_ coro); |
|
|
3408 | /* the coro is most likely in an active SLF call. |
|
|
3409 | * while not strictly required (the code we execute is |
|
|
3410 | * not allowed to call any SLF functions), it's cleaner |
|
|
3411 | * to reinitialise the slf_frame and restore it later. |
|
|
3412 | * This might one day allow us to actually do SLF calls |
|
|
3413 | * from code executed here. |
|
|
3414 | */ |
|
|
3415 | slf_save = slf_frame; |
|
|
3416 | slf_frame.prepare = 0; |
3232 | SPAGAIN; |
3417 | SPAGAIN; |
3233 | } |
3418 | } |
3234 | |
3419 | |
3235 | PUSHSTACK; |
3420 | PUSHSTACK; |
3236 | |
3421 | |
… | |
… | |
3246 | SPAGAIN; |
3431 | SPAGAIN; |
3247 | |
3432 | |
3248 | if (current != coro) |
3433 | if (current != coro) |
3249 | { |
3434 | { |
3250 | PUTBACK; |
3435 | PUTBACK; |
|
|
3436 | slf_frame = slf_save; |
3251 | save_perl (aTHX_ coro); |
3437 | save_perl (aTHX_ coro); |
3252 | load_perl (aTHX_ current); |
3438 | load_perl (aTHX_ current); |
3253 | SPAGAIN; |
3439 | SPAGAIN; |
3254 | } |
3440 | } |
3255 | } |
3441 | } |
… | |
… | |
3268 | RETVAL = boolSV (coro->flags & ix); |
3454 | RETVAL = boolSV (coro->flags & ix); |
3269 | OUTPUT: |
3455 | OUTPUT: |
3270 | RETVAL |
3456 | RETVAL |
3271 | |
3457 | |
3272 | void |
3458 | void |
3273 | throw (Coro::State self, SV *throw = &PL_sv_undef) |
3459 | throw (Coro::State self, SV *exception = &PL_sv_undef) |
3274 | PROTOTYPE: $;$ |
3460 | PROTOTYPE: $;$ |
3275 | CODE: |
3461 | CODE: |
3276 | { |
3462 | { |
3277 | struct coro *current = SvSTATE_current; |
3463 | struct coro *current = SvSTATE_current; |
3278 | SV **throwp = self == current ? &CORO_THROW : &self->except; |
3464 | SV **exceptionp = self == current ? &CORO_THROW : &self->except; |
3279 | SvREFCNT_dec (*throwp); |
3465 | SvREFCNT_dec (*exceptionp); |
3280 | SvGETMAGIC (throw); |
3466 | SvGETMAGIC (exception); |
3281 | *throwp = SvOK (throw) ? newSVsv (throw) : 0; |
3467 | *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; |
3282 | } |
3468 | } |
3283 | |
3469 | |
3284 | void |
3470 | void |
3285 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3471 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3286 | PROTOTYPE: $;$ |
3472 | PROTOTYPE: $;$ |
… | |
… | |
3341 | |
3527 | |
3342 | void |
3528 | void |
3343 | cancel (Coro::State self) |
3529 | cancel (Coro::State self) |
3344 | CODE: |
3530 | CODE: |
3345 | coro_state_destroy (aTHX_ self); |
3531 | coro_state_destroy (aTHX_ self); |
3346 | coro_call_on_destroy (aTHX_ self); /* actually only for Coro objects */ |
|
|
3347 | |
|
|
3348 | |
3532 | |
3349 | SV * |
3533 | SV * |
3350 | enable_times (int enabled = enable_times) |
3534 | enable_times (int enabled = enable_times) |
3351 | CODE: |
3535 | CODE: |
3352 | { |
3536 | { |
… | |
… | |
3381 | |
3565 | |
3382 | if (expect_false (current == self)) |
3566 | if (expect_false (current == self)) |
3383 | coro_times_sub (SvSTATE (coro_current)); |
3567 | coro_times_sub (SvSTATE (coro_current)); |
3384 | } |
3568 | } |
3385 | |
3569 | |
|
|
3570 | void |
|
|
3571 | swap_sv (Coro::State coro, SV *sv, SV *swapsv) |
|
|
3572 | CODE: |
|
|
3573 | { |
|
|
3574 | struct coro *current = SvSTATE_current; |
|
|
3575 | |
|
|
3576 | if (current == coro) |
|
|
3577 | SWAP_SVS (current); |
|
|
3578 | |
|
|
3579 | if (!coro->swap_sv) |
|
|
3580 | coro->swap_sv = newAV (); |
|
|
3581 | |
|
|
3582 | av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (sv ))); |
|
|
3583 | av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (swapsv))); |
|
|
3584 | |
|
|
3585 | if (current == coro) |
|
|
3586 | SWAP_SVS (current); |
|
|
3587 | } |
|
|
3588 | |
|
|
3589 | |
3386 | MODULE = Coro::State PACKAGE = Coro |
3590 | MODULE = Coro::State PACKAGE = Coro |
3387 | |
3591 | |
3388 | BOOT: |
3592 | BOOT: |
3389 | { |
3593 | { |
3390 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3594 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3391 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3595 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3392 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
3596 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
3393 | cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD); |
|
|
3394 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
3597 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
3395 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
3598 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
3396 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
3599 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
3397 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
3600 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
3398 | sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); |
3601 | sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); |
3399 | |
3602 | |
3400 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3603 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3401 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
3604 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
3402 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
3605 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
3403 | cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new); |
3606 | CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */ |
3404 | |
3607 | |
3405 | coro_stash = gv_stashpv ("Coro", TRUE); |
3608 | coro_stash = gv_stashpv ("Coro", TRUE); |
3406 | |
3609 | |
3407 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
3610 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
3408 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
3611 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
3409 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL)); |
3612 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL)); |
… | |
… | |
3427 | sv_setiv (sv, (IV)&coroapi); |
3630 | sv_setiv (sv, (IV)&coroapi); |
3428 | SvREADONLY_on (sv); |
3631 | SvREADONLY_on (sv); |
3429 | } |
3632 | } |
3430 | } |
3633 | } |
3431 | |
3634 | |
|
|
3635 | SV * |
|
|
3636 | async (...) |
|
|
3637 | PROTOTYPE: &@ |
|
|
3638 | CODE: |
|
|
3639 | RETVAL = coro_new (aTHX_ coro_stash, &ST (0), items, 1); |
|
|
3640 | api_ready (aTHX_ RETVAL); |
|
|
3641 | OUTPUT: |
|
|
3642 | RETVAL |
|
|
3643 | |
|
|
3644 | void |
|
|
3645 | _destroy (Coro::State coro) |
|
|
3646 | CODE: |
|
|
3647 | /* used by the manager thread */ |
|
|
3648 | coro_state_destroy (aTHX_ coro); |
|
|
3649 | coro_call_on_destroy (aTHX_ coro); |
|
|
3650 | |
3432 | void |
3651 | void |
3433 | terminate (...) |
3652 | terminate (...) |
3434 | CODE: |
3653 | CODE: |
3435 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
3654 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
|
|
3655 | |
|
|
3656 | void |
|
|
3657 | cancel (...) |
|
|
3658 | CODE: |
|
|
3659 | CORO_EXECUTE_SLF_XS (slf_init_cancel); |
|
|
3660 | |
|
|
3661 | int |
|
|
3662 | safe_cancel (Coro::State self, ...) |
|
|
3663 | C_ARGS: aTHX_ self, &ST (1), items - 1 |
3436 | |
3664 | |
3437 | void |
3665 | void |
3438 | schedule (...) |
3666 | schedule (...) |
3439 | CODE: |
3667 | CODE: |
3440 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
3668 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
… | |
… | |
3470 | _set_readyhook (SV *hook) |
3698 | _set_readyhook (SV *hook) |
3471 | PROTOTYPE: $ |
3699 | PROTOTYPE: $ |
3472 | CODE: |
3700 | CODE: |
3473 | SvREFCNT_dec (coro_readyhook); |
3701 | SvREFCNT_dec (coro_readyhook); |
3474 | SvGETMAGIC (hook); |
3702 | SvGETMAGIC (hook); |
|
|
3703 | if (SvOK (hook)) |
|
|
3704 | { |
3475 | coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0; |
3705 | coro_readyhook = newSVsv (hook); |
|
|
3706 | CORO_READYHOOK = invoke_sv_ready_hook_helper; |
|
|
3707 | } |
|
|
3708 | else |
|
|
3709 | { |
|
|
3710 | coro_readyhook = 0; |
|
|
3711 | CORO_READYHOOK = 0; |
|
|
3712 | } |
3476 | |
3713 | |
3477 | int |
3714 | int |
3478 | prio (Coro::State coro, int newprio = 0) |
3715 | prio (Coro::State coro, int newprio = 0) |
3479 | PROTOTYPE: $;$ |
3716 | PROTOTYPE: $;$ |
3480 | ALIAS: |
3717 | ALIAS: |
… | |
… | |
3544 | for (i = 1; i < items; ++i) |
3781 | for (i = 1; i < items; ++i) |
3545 | av_push (av, SvREFCNT_inc_NN (ST (i))); |
3782 | av_push (av, SvREFCNT_inc_NN (ST (i))); |
3546 | |
3783 | |
3547 | if ((SV *)hv == &PL_sv_undef) |
3784 | if ((SV *)hv == &PL_sv_undef) |
3548 | { |
3785 | { |
3549 | PUSHMARK (SP); |
3786 | SV *sv = coro_new (aTHX_ coro_stash, (SV **)&cv_pool_handler, 1, 1); |
3550 | EXTEND (SP, 2); |
|
|
3551 | PUSHs (sv_Coro); |
|
|
3552 | PUSHs ((SV *)cv_pool_handler); |
|
|
3553 | PUTBACK; |
|
|
3554 | call_sv ((SV *)cv_coro_state_new, G_SCALAR); |
|
|
3555 | SPAGAIN; |
|
|
3556 | |
|
|
3557 | hv = (HV *)SvREFCNT_inc_NN (SvRV (POPs)); |
3787 | hv = (HV *)SvREFCNT_inc_NN (SvRV (sv)); |
|
|
3788 | SvREFCNT_dec (sv); |
3558 | } |
3789 | } |
3559 | |
3790 | |
3560 | { |
3791 | { |
3561 | struct coro *coro = SvSTATE_hv (hv); |
3792 | struct coro *coro = SvSTATE_hv (hv); |
3562 | |
3793 | |
… | |
… | |
3596 | CODE: |
3827 | CODE: |
3597 | { |
3828 | { |
3598 | struct coro *coro = SvSTATE_current; |
3829 | struct coro *coro = SvSTATE_current; |
3599 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
3830 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
3600 | |
3831 | |
3601 | block = (SV *)coro_sv_2cv (aTHX_ block); |
3832 | block = s_get_cv_croak (block); |
3602 | |
3833 | |
3603 | if (!*avp) |
3834 | if (!*avp) |
3604 | *avp = newAV (); |
3835 | *avp = newAV (); |
3605 | |
3836 | |
3606 | av_push (*avp, SvREFCNT_inc (block)); |
3837 | av_push (*avp, SvREFCNT_inc (block)); |
… | |
… | |
3806 | |
4037 | |
3807 | void |
4038 | void |
3808 | _register (char *target, char *proto, SV *req) |
4039 | _register (char *target, char *proto, SV *req) |
3809 | CODE: |
4040 | CODE: |
3810 | { |
4041 | { |
3811 | CV *req_cv = coro_sv_2cv (aTHX_ req); |
4042 | SV *req_cv = s_get_cv_croak (req); |
3812 | /* newXSproto doesn't return the CV on 5.8 */ |
4043 | /* newXSproto doesn't return the CV on 5.8 */ |
3813 | CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__); |
4044 | CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__); |
3814 | sv_setpv ((SV *)slf_cv, proto); |
4045 | sv_setpv ((SV *)slf_cv, proto); |
3815 | sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0); |
4046 | sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0); |
3816 | } |
4047 | } |
3817 | |
4048 | |
|
|
4049 | MODULE = Coro::State PACKAGE = Coro::Select |
|
|
4050 | |
|
|
4051 | void |
|
|
4052 | patch_pp_sselect () |
|
|
4053 | CODE: |
|
|
4054 | if (!coro_old_pp_sselect) |
|
|
4055 | { |
|
|
4056 | coro_select_select = (SV *)get_cv ("Coro::Select::select", 0); |
|
|
4057 | coro_old_pp_sselect = PL_ppaddr [OP_SSELECT]; |
|
|
4058 | PL_ppaddr [OP_SSELECT] = coro_pp_sselect; |
|
|
4059 | } |
|
|
4060 | |
|
|
4061 | void |
|
|
4062 | unpatch_pp_sselect () |
|
|
4063 | CODE: |
|
|
4064 | if (coro_old_pp_sselect) |
|
|
4065 | { |
|
|
4066 | PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; |
|
|
4067 | coro_old_pp_sselect = 0; |
|
|
4068 | } |
|
|
4069 | |