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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 |
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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 |
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137 | |
88 | |
138 | #define IN_DESTRUCT PL_dirty |
89 | #define IN_DESTRUCT PL_dirty |
139 | |
90 | |
140 | #if __GNUC__ >= 3 |
91 | #if __GNUC__ >= 3 |
141 | # define attribute(x) __attribute__(x) |
92 | # define attribute(x) __attribute__(x) |
142 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
93 | # define expect(expr,value) __builtin_expect ((expr), (value)) |
143 | # define INLINE static inline |
94 | # define INLINE static inline |
144 | #else |
95 | #else |
145 | # define attribute(x) |
96 | # define attribute(x) |
146 | # define expect(expr,value) (expr) |
97 | # define expect(expr,value) (expr) |
147 | # define INLINE static |
98 | # define INLINE static |
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159 | # if CORO_PTHREAD |
110 | # if CORO_PTHREAD |
160 | static void *coro_thx; |
111 | static void *coro_thx; |
161 | # endif |
112 | # endif |
162 | #endif |
113 | #endif |
163 | |
114 | |
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115 | #ifdef __linux |
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116 | # include <time.h> /* for timespec */ |
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117 | # include <syscall.h> /* for SYS_* */ |
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118 | # ifdef SYS_clock_gettime |
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119 | # define coro_clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
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120 | # define CORO_CLOCK_MONOTONIC 1 |
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121 | # define CORO_CLOCK_THREAD_CPUTIME_ID 3 |
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122 | # endif |
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123 | #endif |
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124 | |
164 | static double (*nvtime)(); /* so why doesn't it take void? */ |
125 | static double (*nvtime)(); /* so why doesn't it take void? */ |
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126 | static void (*u2time)(pTHX_ UV ret[2]); |
165 | |
127 | |
166 | /* we hijack an hopefully unused CV flag for our purposes */ |
128 | /* we hijack an hopefully unused CV flag for our purposes */ |
167 | #define CVf_SLF 0x4000 |
129 | #define CVf_SLF 0x4000 |
168 | static OP *pp_slf (pTHX); |
130 | static OP *pp_slf (pTHX); |
169 | |
131 | |
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190 | static SV *sv_pool_size; |
152 | static SV *sv_pool_size; |
191 | static SV *sv_async_pool_idle; /* description string */ |
153 | static SV *sv_async_pool_idle; /* description string */ |
192 | static AV *av_async_pool; /* idle pool */ |
154 | static AV *av_async_pool; /* idle pool */ |
193 | static SV *sv_Coro; /* class string */ |
155 | static SV *sv_Coro; /* class string */ |
194 | static CV *cv_pool_handler; |
156 | static CV *cv_pool_handler; |
195 | static CV *cv_coro_state_new; |
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196 | |
157 | |
197 | /* Coro::AnyEvent */ |
158 | /* Coro::AnyEvent */ |
198 | static SV *sv_activity; |
159 | static SV *sv_activity; |
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160 | |
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161 | /* enable processtime/realtime profiling */ |
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162 | static char enable_times; |
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163 | typedef U32 coro_ts[2]; |
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164 | static coro_ts time_real, time_cpu; |
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165 | static char times_valid; |
199 | |
166 | |
200 | static struct coro_cctx *cctx_first; |
167 | static struct coro_cctx *cctx_first; |
201 | static int cctx_count, cctx_idle; |
168 | static int cctx_count, cctx_idle; |
202 | |
169 | |
203 | enum { |
170 | enum { |
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229 | int valgrind_id; |
196 | int valgrind_id; |
230 | #endif |
197 | #endif |
231 | unsigned char flags; |
198 | unsigned char flags; |
232 | } coro_cctx; |
199 | } coro_cctx; |
233 | |
200 | |
234 | coro_cctx *cctx_current; /* the currently running cctx */ |
201 | static coro_cctx *cctx_current; /* the currently running cctx */ |
235 | |
202 | |
236 | /*****************************************************************************/ |
203 | /*****************************************************************************/ |
237 | |
204 | |
238 | enum { |
205 | enum { |
239 | CF_RUNNING = 0x0001, /* coroutine is running */ |
206 | CF_RUNNING = 0x0001, /* coroutine is running */ |
240 | CF_READY = 0x0002, /* coroutine is ready */ |
207 | CF_READY = 0x0002, /* coroutine is ready */ |
241 | CF_NEW = 0x0004, /* has never been switched to */ |
208 | CF_NEW = 0x0004, /* has never been switched to */ |
242 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
209 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
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210 | CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */ |
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211 | CF_NOCANCEL = 0x0020, /* cannot cancel, set slf_frame.data to 1 (hackish) */ |
243 | }; |
212 | }; |
244 | |
213 | |
245 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
214 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
246 | typedef struct |
215 | typedef struct |
247 | { |
216 | { |
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260 | /* this is a structure representing a perl-level coroutine */ |
229 | /* this is a structure representing a perl-level coroutine */ |
261 | struct coro { |
230 | struct coro { |
262 | /* the C coroutine allocated to this perl coroutine, if any */ |
231 | /* the C coroutine allocated to this perl coroutine, if any */ |
263 | coro_cctx *cctx; |
232 | coro_cctx *cctx; |
264 | |
233 | |
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234 | /* ready queue */ |
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235 | struct coro *next_ready; |
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236 | |
265 | /* state data */ |
237 | /* state data */ |
266 | struct CoroSLF slf_frame; /* saved slf frame */ |
238 | struct CoroSLF slf_frame; /* saved slf frame */ |
267 | AV *mainstack; |
239 | AV *mainstack; |
268 | perl_slots *slot; /* basically the saved sp */ |
240 | perl_slots *slot; /* basically the saved sp */ |
269 | |
241 | |
270 | CV *startcv; /* the CV to execute */ |
242 | CV *startcv; /* the CV to execute */ |
271 | AV *args; /* data associated with this coroutine (initial args) */ |
243 | AV *args; /* data associated with this coroutine (initial args) */ |
272 | int refcnt; /* coroutines are refcounted, yes */ |
244 | int refcnt; /* coroutines are refcounted, yes */ |
273 | int flags; /* CF_ flags */ |
245 | int flags; /* CF_ flags */ |
274 | HV *hv; /* the perl hash associated with this coro, if any */ |
246 | HV *hv; /* the perl hash associated with this coro, if any */ |
275 | void (*on_destroy)(pTHX_ struct coro *coro); |
247 | void (*on_destroy)(pTHX_ struct coro *coro); /* for temporary use by xs in critical sections */ |
276 | |
248 | |
277 | /* statistics */ |
249 | /* statistics */ |
278 | int usecount; /* number of transfers to this coro */ |
250 | int usecount; /* number of transfers to this coro */ |
279 | |
251 | |
280 | /* coro process data */ |
252 | /* coro process data */ |
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285 | /* async_pool */ |
257 | /* async_pool */ |
286 | SV *saved_deffh; |
258 | SV *saved_deffh; |
287 | SV *invoke_cb; |
259 | SV *invoke_cb; |
288 | AV *invoke_av; |
260 | AV *invoke_av; |
289 | |
261 | |
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262 | /* on_enter/on_leave */ |
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263 | AV *on_enter; |
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264 | AV *on_leave; |
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265 | |
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266 | /* swap_sv */ |
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267 | AV *swap_sv; |
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268 | |
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269 | /* times */ |
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270 | coro_ts t_cpu, t_real; |
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271 | |
290 | /* linked list */ |
272 | /* linked list */ |
291 | struct coro *next, *prev; |
273 | struct coro *next, *prev; |
292 | }; |
274 | }; |
293 | |
275 | |
294 | typedef struct coro *Coro__State; |
276 | typedef struct coro *Coro__State; |
295 | typedef struct coro *Coro__State_or_hashref; |
277 | typedef struct coro *Coro__State_or_hashref; |
296 | |
278 | |
297 | /* the following variables are effectively part of the perl context */ |
279 | /* the following variables are effectively part of the perl context */ |
298 | /* and get copied between struct coro and these variables */ |
280 | /* and get copied between struct coro and these variables */ |
299 | /* the mainr easonw e don't support windows process emulation */ |
281 | /* the main reason we don't support windows process emulation */ |
300 | static struct CoroSLF slf_frame; /* the current slf frame */ |
282 | static struct CoroSLF slf_frame; /* the current slf frame */ |
301 | |
283 | |
302 | /** Coro ********************************************************************/ |
284 | /** Coro ********************************************************************/ |
303 | |
285 | |
304 | #define PRIO_MAX 3 |
286 | #define CORO_PRIO_MAX 3 |
305 | #define PRIO_HIGH 1 |
287 | #define CORO_PRIO_HIGH 1 |
306 | #define PRIO_NORMAL 0 |
288 | #define CORO_PRIO_NORMAL 0 |
307 | #define PRIO_LOW -1 |
289 | #define CORO_PRIO_LOW -1 |
308 | #define PRIO_IDLE -3 |
290 | #define CORO_PRIO_IDLE -3 |
309 | #define PRIO_MIN -4 |
291 | #define CORO_PRIO_MIN -4 |
310 | |
292 | |
311 | /* for Coro.pm */ |
293 | /* for Coro.pm */ |
312 | static SV *coro_current; |
294 | static SV *coro_current; |
313 | static SV *coro_readyhook; |
295 | static SV *coro_readyhook; |
314 | static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1]; |
296 | static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ |
315 | static CV *cv_coro_run, *cv_coro_terminate; |
297 | static CV *cv_coro_run, *cv_coro_terminate; |
316 | static struct coro *coro_first; |
298 | static struct coro *coro_first; |
317 | #define coro_nready coroapi.nready |
299 | #define coro_nready coroapi.nready |
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300 | |
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301 | /** Coro::Select ************************************************************/ |
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302 | |
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303 | static OP *(*coro_old_pp_sselect) (pTHX); |
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304 | static SV *coro_select_select; |
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305 | |
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306 | /* horrible hack, but if it works... */ |
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307 | static OP * |
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308 | coro_pp_sselect (pTHX) |
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309 | { |
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310 | dSP; |
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311 | PUSHMARK (SP - 4); /* fake argument list */ |
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312 | XPUSHs (coro_select_select); |
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313 | PUTBACK; |
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314 | |
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315 | /* entersub is an UNOP, select a LISTOP... keep your fingers crossed */ |
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316 | PL_op->op_flags |= OPf_STACKED; |
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317 | PL_op->op_private = 0; |
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318 | return PL_ppaddr [OP_ENTERSUB](aTHX); |
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319 | } |
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320 | |
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321 | /** time stuff **************************************************************/ |
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322 | |
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323 | #ifdef HAS_GETTIMEOFDAY |
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324 | |
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325 | static void |
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326 | coro_u2time (pTHX_ UV ret[2]) |
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327 | { |
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328 | struct timeval tv; |
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329 | gettimeofday (&tv, 0); |
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330 | |
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331 | ret [0] = tv.tv_sec; |
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332 | ret [1] = tv.tv_usec; |
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333 | } |
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334 | |
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335 | static double |
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336 | coro_nvtime () |
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337 | { |
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338 | struct timeval tv; |
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339 | gettimeofday (&tv, 0); |
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340 | |
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341 | return tv.tv_sec + tv.tv_usec * 1e-6; |
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342 | } |
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343 | |
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344 | static void |
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345 | time_init (pTHX) |
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346 | { |
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347 | nvtime = coro_nvtime; |
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348 | u2time = coro_u2time; |
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349 | } |
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350 | |
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351 | #else |
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352 | |
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353 | static void |
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354 | time_init (pTHX) |
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355 | { |
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356 | SV **svp; |
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357 | |
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358 | require_pv ("Time/HiRes.pm"); |
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359 | |
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360 | svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
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361 | |
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362 | if (!svp) croak ("Time::HiRes is required, but missing. Caught"); |
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363 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer. Caught"); |
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364 | |
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365 | nvtime = INT2PTR (double (*)(), SvIV (*svp)); |
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366 | |
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367 | svp = hv_fetch (PL_modglobal, "Time::U2time", 12, 0); |
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368 | u2time = INT2PTR (void (*)(pTHX_ UV ret[2]), SvIV (*svp)); |
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369 | } |
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370 | |
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371 | #endif |
318 | |
372 | |
319 | /** lowlevel stuff **********************************************************/ |
373 | /** lowlevel stuff **********************************************************/ |
320 | |
374 | |
321 | static SV * |
375 | static SV * |
322 | coro_get_sv (pTHX_ const char *name, int create) |
376 | coro_get_sv (pTHX_ const char *name, int create) |
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346 | get_hv (name, create); |
400 | get_hv (name, create); |
347 | #endif |
401 | #endif |
348 | return get_hv (name, create); |
402 | return get_hv (name, create); |
349 | } |
403 | } |
350 | |
404 | |
351 | /* may croak */ |
405 | INLINE void |
352 | INLINE CV * |
406 | coro_times_update () |
353 | coro_sv_2cv (pTHX_ SV *sv) |
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354 | { |
407 | { |
355 | HV *st; |
408 | #ifdef coro_clock_gettime |
356 | GV *gvp; |
409 | struct timespec ts; |
357 | return sv_2cv (sv, &st, &gvp, 0); |
410 | |
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411 | ts.tv_sec = ts.tv_nsec = 0; |
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412 | coro_clock_gettime (CORO_CLOCK_THREAD_CPUTIME_ID, &ts); |
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413 | time_cpu [0] = ts.tv_sec; time_cpu [1] = ts.tv_nsec; |
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414 | |
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415 | ts.tv_sec = ts.tv_nsec = 0; |
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416 | coro_clock_gettime (CORO_CLOCK_MONOTONIC, &ts); |
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417 | time_real [0] = ts.tv_sec; time_real [1] = ts.tv_nsec; |
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418 | #else |
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419 | dTHX; |
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420 | UV tv[2]; |
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421 | |
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422 | u2time (aTHX_ tv); |
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423 | time_real [0] = tv [0]; |
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424 | time_real [1] = tv [1] * 1000; |
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425 | #endif |
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426 | } |
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427 | |
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428 | INLINE void |
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429 | coro_times_add (struct coro *c) |
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430 | { |
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431 | c->t_real [1] += time_real [1]; |
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432 | if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } |
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433 | c->t_real [0] += time_real [0]; |
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434 | |
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435 | c->t_cpu [1] += time_cpu [1]; |
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436 | if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } |
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437 | c->t_cpu [0] += time_cpu [0]; |
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438 | } |
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439 | |
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440 | INLINE void |
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441 | coro_times_sub (struct coro *c) |
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442 | { |
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443 | if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } |
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444 | c->t_real [1] -= time_real [1]; |
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445 | c->t_real [0] -= time_real [0]; |
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446 | |
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447 | if (c->t_cpu [1] < time_cpu [1]) { c->t_cpu [1] += 1000000000; --c->t_cpu [0]; } |
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448 | c->t_cpu [1] -= time_cpu [1]; |
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449 | c->t_cpu [0] -= time_cpu [0]; |
358 | } |
450 | } |
359 | |
451 | |
360 | /*****************************************************************************/ |
452 | /*****************************************************************************/ |
361 | /* magic glue */ |
453 | /* magic glue */ |
362 | |
454 | |
… | |
… | |
462 | static int |
554 | static int |
463 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
555 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
464 | { |
556 | { |
465 | AV *padlist; |
557 | AV *padlist; |
466 | AV *av = (AV *)mg->mg_obj; |
558 | AV *av = (AV *)mg->mg_obj; |
|
|
559 | |
|
|
560 | /* perl manages to free our internal AV and _then_ call us */ |
|
|
561 | if (IN_DESTRUCT) |
|
|
562 | return 0; |
467 | |
563 | |
468 | /* casting is fun. */ |
564 | /* casting is fun. */ |
469 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
565 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
470 | free_padlist (aTHX_ padlist); |
566 | free_padlist (aTHX_ padlist); |
471 | |
567 | |
… | |
… | |
520 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
616 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
521 | } |
617 | } |
522 | |
618 | |
523 | /** load & save, init *******************************************************/ |
619 | /** load & save, init *******************************************************/ |
524 | |
620 | |
|
|
621 | /* swap sv heads, at least logically */ |
|
|
622 | static void |
|
|
623 | swap_svs (pTHX_ Coro__State c) |
|
|
624 | { |
|
|
625 | int i; |
|
|
626 | |
|
|
627 | for (i = 0; i <= AvFILLp (c->swap_sv); ) |
|
|
628 | { |
|
|
629 | SV *a = AvARRAY (c->swap_sv)[i++]; |
|
|
630 | SV *b = AvARRAY (c->swap_sv)[i++]; |
|
|
631 | |
|
|
632 | const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */ |
|
|
633 | SV tmp; |
|
|
634 | |
|
|
635 | /* swap sv_any */ |
|
|
636 | SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp); |
|
|
637 | |
|
|
638 | /* swap sv_flags */ |
|
|
639 | SvFLAGS (&tmp) = SvFLAGS (a); |
|
|
640 | SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep); |
|
|
641 | SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep); |
|
|
642 | |
|
|
643 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
644 | /* perl 5.10 complicates this _quite_ a bit, but it also is |
|
|
645 | * much faster, so no quarrels here. alternatively, we could |
|
|
646 | * sv_upgrade to avoid this. |
|
|
647 | */ |
|
|
648 | { |
|
|
649 | /* swap sv_u */ |
|
|
650 | tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u; |
|
|
651 | |
|
|
652 | /* if SvANY points to the head, we need to adjust the pointers, |
|
|
653 | * as the pointer for a still points to b, and maybe vice versa. |
|
|
654 | */ |
|
|
655 | #define svany_in_head(type) \ |
|
|
656 | (((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type))) |
|
|
657 | |
|
|
658 | if (svany_in_head (SvTYPE (a))) |
|
|
659 | SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a); |
|
|
660 | |
|
|
661 | if (svany_in_head (SvTYPE (b))) |
|
|
662 | SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b); |
|
|
663 | } |
|
|
664 | #endif |
|
|
665 | } |
|
|
666 | } |
|
|
667 | |
|
|
668 | #define SWAP_SVS(coro) \ |
|
|
669 | if (expect_false ((coro)->swap_sv)) \ |
|
|
670 | swap_svs (aTHX_ (coro)) |
|
|
671 | |
|
|
672 | static void |
|
|
673 | on_enterleave_call (pTHX_ SV *cb); |
|
|
674 | |
525 | static void |
675 | static void |
526 | load_perl (pTHX_ Coro__State c) |
676 | load_perl (pTHX_ Coro__State c) |
527 | { |
677 | { |
528 | perl_slots *slot = c->slot; |
678 | perl_slots *slot = c->slot; |
529 | c->slot = 0; |
679 | c->slot = 0; |
… | |
… | |
556 | PUTBACK; |
706 | PUTBACK; |
557 | } |
707 | } |
558 | |
708 | |
559 | slf_frame = c->slf_frame; |
709 | slf_frame = c->slf_frame; |
560 | CORO_THROW = c->except; |
710 | CORO_THROW = c->except; |
|
|
711 | |
|
|
712 | if (expect_false (enable_times)) |
|
|
713 | { |
|
|
714 | if (expect_false (!times_valid)) |
|
|
715 | coro_times_update (); |
|
|
716 | |
|
|
717 | coro_times_sub (c); |
|
|
718 | } |
|
|
719 | |
|
|
720 | if (expect_false (c->on_enter)) |
|
|
721 | { |
|
|
722 | int i; |
|
|
723 | |
|
|
724 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
|
|
725 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
|
|
726 | } |
|
|
727 | |
|
|
728 | SWAP_SVS (c); |
561 | } |
729 | } |
562 | |
730 | |
563 | static void |
731 | static void |
564 | save_perl (pTHX_ Coro__State c) |
732 | save_perl (pTHX_ Coro__State c) |
565 | { |
733 | { |
|
|
734 | SWAP_SVS (c); |
|
|
735 | |
|
|
736 | if (expect_false (c->on_leave)) |
|
|
737 | { |
|
|
738 | int i; |
|
|
739 | |
|
|
740 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
|
|
741 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
|
|
742 | } |
|
|
743 | |
|
|
744 | times_valid = 0; |
|
|
745 | |
|
|
746 | if (expect_false (enable_times)) |
|
|
747 | { |
|
|
748 | coro_times_update (); times_valid = 1; |
|
|
749 | coro_times_add (c); |
|
|
750 | } |
|
|
751 | |
566 | c->except = CORO_THROW; |
752 | c->except = CORO_THROW; |
567 | c->slf_frame = slf_frame; |
753 | c->slf_frame = slf_frame; |
568 | |
754 | |
569 | { |
755 | { |
570 | dSP; |
756 | dSP; |
… | |
… | |
583 | { |
769 | { |
584 | while (expect_true (cxix >= 0)) |
770 | while (expect_true (cxix >= 0)) |
585 | { |
771 | { |
586 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
772 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
587 | |
773 | |
588 | if (expect_true (CxTYPE (cx) == CXt_SUB || CxTYPE (cx) == CXt_FORMAT)) |
774 | if (expect_true (CxTYPE (cx) == CXt_SUB) || expect_false (CxTYPE (cx) == CXt_FORMAT)) |
589 | { |
775 | { |
590 | CV *cv = cx->blk_sub.cv; |
776 | CV *cv = cx->blk_sub.cv; |
591 | |
777 | |
592 | if (expect_true (CvDEPTH (cv))) |
778 | if (expect_true (CvDEPTH (cv))) |
593 | { |
779 | { |
… | |
… | |
617 | /* we manually unroll here, as usually 2 slots is enough */ |
803 | /* we manually unroll here, as usually 2 slots is enough */ |
618 | if (SLOT_COUNT >= 1) CXINC; |
804 | if (SLOT_COUNT >= 1) CXINC; |
619 | if (SLOT_COUNT >= 2) CXINC; |
805 | if (SLOT_COUNT >= 2) CXINC; |
620 | if (SLOT_COUNT >= 3) CXINC; |
806 | if (SLOT_COUNT >= 3) CXINC; |
621 | { |
807 | { |
622 | int i; |
808 | unsigned int i; |
623 | for (i = 3; i < SLOT_COUNT; ++i) |
809 | for (i = 3; i < SLOT_COUNT; ++i) |
624 | CXINC; |
810 | CXINC; |
625 | } |
811 | } |
626 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
812 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
627 | |
813 | |
… | |
… | |
861 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
1047 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
862 | { |
1048 | { |
863 | return 1; |
1049 | return 1; |
864 | } |
1050 | } |
865 | |
1051 | |
866 | static UNOP coro_setup_op; |
1052 | static UNOP init_perl_op; |
867 | |
1053 | |
868 | 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 */ |
869 | coro_setup (pTHX_ struct coro *coro) |
1055 | init_perl (pTHX_ struct coro *coro) |
870 | { |
1056 | { |
871 | /* |
1057 | /* |
872 | * emulate part of the perl startup here. |
1058 | * emulate part of the perl startup here. |
873 | */ |
1059 | */ |
874 | coro_init_stacks (aTHX); |
1060 | coro_init_stacks (aTHX); |
… | |
… | |
881 | PL_comppad_name_fill = 0; |
1067 | PL_comppad_name_fill = 0; |
882 | PL_comppad_name_floor = 0; |
1068 | PL_comppad_name_floor = 0; |
883 | PL_curpm = 0; |
1069 | PL_curpm = 0; |
884 | PL_curpad = 0; |
1070 | PL_curpad = 0; |
885 | PL_localizing = 0; |
1071 | PL_localizing = 0; |
886 | PL_dirty = 0; |
|
|
887 | PL_restartop = 0; |
1072 | PL_restartop = 0; |
888 | #if PERL_VERSION_ATLEAST (5,10,0) |
1073 | #if PERL_VERSION_ATLEAST (5,10,0) |
889 | PL_parser = 0; |
1074 | PL_parser = 0; |
890 | #endif |
1075 | #endif |
891 | PL_hints = 0; |
1076 | PL_hints = 0; |
… | |
… | |
923 | */ |
1108 | */ |
924 | 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 */ |
925 | 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 */ |
926 | |
1111 | |
927 | /* 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 */ |
928 | coro_setup_op.op_next = PL_op; |
1113 | init_perl_op.op_next = PL_op; |
929 | coro_setup_op.op_type = OP_ENTERSUB; |
1114 | init_perl_op.op_type = OP_ENTERSUB; |
930 | coro_setup_op.op_ppaddr = pp_slf; |
1115 | init_perl_op.op_ppaddr = pp_slf; |
931 | /* 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 */ |
932 | |
1117 | |
933 | PL_op = (OP *)&coro_setup_op; |
1118 | PL_op = (OP *)&init_perl_op; |
934 | |
1119 | |
935 | /* copy throw, in case it was set before coro_setup */ |
1120 | /* copy throw, in case it was set before init_perl */ |
936 | CORO_THROW = coro->except; |
1121 | CORO_THROW = coro->except; |
|
|
1122 | |
|
|
1123 | SWAP_SVS (coro); |
|
|
1124 | |
|
|
1125 | if (expect_false (enable_times)) |
|
|
1126 | { |
|
|
1127 | coro_times_update (); |
|
|
1128 | coro_times_sub (coro); |
|
|
1129 | } |
937 | } |
1130 | } |
938 | |
1131 | |
939 | static void |
1132 | static void |
940 | coro_unwind_stacks (pTHX) |
1133 | coro_unwind_stacks (pTHX) |
941 | { |
1134 | { |
… | |
… | |
956 | dounwind (-1); |
1149 | dounwind (-1); |
957 | } |
1150 | } |
958 | } |
1151 | } |
959 | |
1152 | |
960 | static void |
1153 | static void |
961 | coro_destruct_perl (pTHX_ struct coro *coro) |
1154 | destroy_perl (pTHX_ struct coro *coro) |
962 | { |
1155 | { |
|
|
1156 | SV *svf [9]; |
|
|
1157 | |
|
|
1158 | { |
|
|
1159 | struct coro *current = SvSTATE_current; |
|
|
1160 | |
|
|
1161 | assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack)); |
|
|
1162 | |
|
|
1163 | save_perl (aTHX_ current); |
|
|
1164 | SvRV_set (coro_current, (SV *)coro->hv); /* this will cause acroak in transfer_check */ |
|
|
1165 | load_perl (aTHX_ coro); |
|
|
1166 | |
963 | coro_unwind_stacks (aTHX); |
1167 | coro_unwind_stacks (aTHX); |
|
|
1168 | coro_destruct_stacks (aTHX); |
964 | |
1169 | |
965 | SvREFCNT_dec (GvSV (PL_defgv)); |
1170 | /* restore swapped sv's */ |
966 | SvREFCNT_dec (GvAV (PL_defgv)); |
1171 | SWAP_SVS (coro); |
967 | SvREFCNT_dec (GvSV (PL_errgv)); |
|
|
968 | SvREFCNT_dec (PL_defoutgv); |
|
|
969 | SvREFCNT_dec (PL_rs); |
|
|
970 | SvREFCNT_dec (GvSV (irsgv)); |
|
|
971 | SvREFCNT_dec (GvHV (PL_hintgv)); |
|
|
972 | |
1172 | |
973 | SvREFCNT_dec (PL_diehook); |
1173 | // now save some sv's to be free'd later |
974 | SvREFCNT_dec (PL_warnhook); |
1174 | svf [0] = GvSV (PL_defgv); |
|
|
1175 | svf [1] = (SV *)GvAV (PL_defgv); |
|
|
1176 | svf [2] = GvSV (PL_errgv); |
|
|
1177 | svf [3] = (SV *)PL_defoutgv; |
|
|
1178 | svf [4] = PL_rs; |
|
|
1179 | svf [5] = GvSV (irsgv); |
|
|
1180 | svf [6] = (SV *)GvHV (PL_hintgv); |
|
|
1181 | svf [7] = PL_diehook; |
|
|
1182 | svf [8] = PL_warnhook; |
|
|
1183 | assert (9 == sizeof (svf) / sizeof (*svf)); |
|
|
1184 | |
|
|
1185 | SvRV_set (coro_current, (SV *)current->hv); |
|
|
1186 | load_perl (aTHX_ current); |
975 | |
1187 | } |
|
|
1188 | |
|
|
1189 | { |
|
|
1190 | unsigned int i; |
|
|
1191 | |
|
|
1192 | for (i = 0; i < sizeof (svf) / sizeof (*svf); ++i) |
|
|
1193 | SvREFCNT_dec (svf [i]); |
|
|
1194 | |
976 | SvREFCNT_dec (coro->saved_deffh); |
1195 | SvREFCNT_dec (coro->saved_deffh); |
977 | SvREFCNT_dec (coro->rouse_cb); |
1196 | SvREFCNT_dec (coro->rouse_cb); |
978 | SvREFCNT_dec (coro->invoke_cb); |
1197 | SvREFCNT_dec (coro->invoke_cb); |
979 | SvREFCNT_dec (coro->invoke_av); |
1198 | SvREFCNT_dec (coro->invoke_av); |
980 | |
1199 | } |
981 | coro_destruct_stacks (aTHX); |
|
|
982 | } |
1200 | } |
983 | |
1201 | |
984 | INLINE void |
1202 | INLINE void |
985 | free_coro_mortal (pTHX) |
1203 | free_coro_mortal (pTHX) |
986 | { |
1204 | { |
… | |
… | |
1183 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1401 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1184 | PL_restartop = PL_op; |
1402 | PL_restartop = PL_op; |
1185 | perl_run (PL_curinterp); |
1403 | perl_run (PL_curinterp); |
1186 | /* |
1404 | /* |
1187 | * Unfortunately, there is no way to get at the return values of the |
1405 | * Unfortunately, there is no way to get at the return values of the |
1188 | * coro body here, as perl_run destroys these |
1406 | * coro body here, as perl_run destroys these. Likewise, we cannot catch |
|
|
1407 | * runtime errors here, as this is just a random interpreter, not a thread. |
1189 | */ |
1408 | */ |
1190 | |
1409 | |
1191 | /* |
1410 | /* |
1192 | * If perl-run returns we assume exit() was being called or the coro |
1411 | * If perl-run returns we assume exit() was being called or the coro |
1193 | * fell off the end, which seems to be the only valid (non-bug) |
1412 | * fell off the end, which seems to be the only valid (non-bug) |
… | |
… | |
1280 | cctx_destroy (coro_cctx *cctx) |
1499 | cctx_destroy (coro_cctx *cctx) |
1281 | { |
1500 | { |
1282 | if (!cctx) |
1501 | if (!cctx) |
1283 | return; |
1502 | return; |
1284 | |
1503 | |
1285 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));//D temporary? |
1504 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current)); |
1286 | |
1505 | |
1287 | --cctx_count; |
1506 | --cctx_count; |
1288 | coro_destroy (&cctx->cctx); |
1507 | coro_destroy (&cctx->cctx); |
1289 | |
1508 | |
1290 | /* coro_transfer creates new, empty cctx's */ |
1509 | /* coro_transfer creates new, empty cctx's */ |
… | |
… | |
1354 | /* TODO: throwing up here is considered harmful */ |
1573 | /* TODO: throwing up here is considered harmful */ |
1355 | |
1574 | |
1356 | if (expect_true (prev != next)) |
1575 | if (expect_true (prev != next)) |
1357 | { |
1576 | { |
1358 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1577 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1359 | croak ("Coro::State::transfer called with a suspended prev Coro::State, but can only transfer from running or new states,"); |
1578 | croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); |
1360 | |
1579 | |
1361 | if (expect_false (next->flags & CF_RUNNING)) |
|
|
1362 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states,"); |
|
|
1363 | |
|
|
1364 | if (expect_false (next->flags & CF_DESTROYED)) |
1580 | if (expect_false (next->flags & (CF_RUNNING | CF_DESTROYED | CF_SUSPENDED))) |
1365 | croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states,"); |
1581 | croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); |
1366 | |
1582 | |
1367 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1583 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1368 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1584 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1369 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1585 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1370 | #endif |
1586 | #endif |
… | |
… | |
1403 | if (expect_false (next->flags & CF_NEW)) |
1619 | if (expect_false (next->flags & CF_NEW)) |
1404 | { |
1620 | { |
1405 | /* need to start coroutine */ |
1621 | /* need to start coroutine */ |
1406 | next->flags &= ~CF_NEW; |
1622 | next->flags &= ~CF_NEW; |
1407 | /* setup coroutine call */ |
1623 | /* setup coroutine call */ |
1408 | coro_setup (aTHX_ next); |
1624 | init_perl (aTHX_ next); |
1409 | } |
1625 | } |
1410 | else |
1626 | else |
1411 | load_perl (aTHX_ next); |
1627 | load_perl (aTHX_ next); |
1412 | |
1628 | |
1413 | /* possibly untie and reuse the cctx */ |
1629 | /* possibly untie and reuse the cctx */ |
… | |
… | |
1452 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1668 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1453 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1669 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1454 | |
1670 | |
1455 | /** high level stuff ********************************************************/ |
1671 | /** high level stuff ********************************************************/ |
1456 | |
1672 | |
1457 | static int |
1673 | static void |
1458 | coro_state_destroy (pTHX_ struct coro *coro) |
1674 | coro_state_destroy (pTHX_ struct coro *coro) |
1459 | { |
1675 | { |
1460 | if (coro->flags & CF_DESTROYED) |
1676 | if (coro->flags & CF_DESTROYED) |
1461 | return 0; |
1677 | return; |
1462 | |
1678 | |
|
|
1679 | /* this callback is reserved for slf functions needing to do cleanup */ |
1463 | if (coro->on_destroy) |
1680 | if (coro->on_destroy && !PL_dirty) |
1464 | coro->on_destroy (aTHX_ coro); |
1681 | coro->on_destroy (aTHX_ coro); |
|
|
1682 | |
|
|
1683 | /* |
|
|
1684 | * The on_destroy above most likely is from an SLF call. |
|
|
1685 | * Since by definition the SLF call will not finish when we destroy |
|
|
1686 | * the coro, we will have to force-finish it here, otherwise |
|
|
1687 | * cleanup functions cannot call SLF functions. |
|
|
1688 | */ |
|
|
1689 | coro->slf_frame.prepare = 0; |
1465 | |
1690 | |
1466 | coro->flags |= CF_DESTROYED; |
1691 | coro->flags |= CF_DESTROYED; |
1467 | |
1692 | |
1468 | if (coro->flags & CF_READY) |
1693 | if (coro->flags & CF_READY) |
1469 | { |
1694 | { |
… | |
… | |
1476 | |
1701 | |
1477 | if (coro->mainstack |
1702 | if (coro->mainstack |
1478 | && coro->mainstack != main_mainstack |
1703 | && coro->mainstack != main_mainstack |
1479 | && coro->slot |
1704 | && coro->slot |
1480 | && !PL_dirty) |
1705 | && !PL_dirty) |
1481 | { |
|
|
1482 | struct coro temp; |
|
|
1483 | |
|
|
1484 | assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack)); |
|
|
1485 | |
|
|
1486 | save_perl (aTHX_ &temp); |
|
|
1487 | load_perl (aTHX_ coro); |
|
|
1488 | |
|
|
1489 | coro_destruct_perl (aTHX_ coro); |
1706 | destroy_perl (aTHX_ coro); |
1490 | |
1707 | |
1491 | load_perl (aTHX_ &temp); |
1708 | if (coro->next) coro->next->prev = coro->prev; |
1492 | |
1709 | if (coro->prev) coro->prev->next = coro->next; |
1493 | coro->slot = 0; |
1710 | if (coro == coro_first) coro_first = coro->next; |
1494 | } |
|
|
1495 | |
1711 | |
1496 | cctx_destroy (coro->cctx); |
1712 | cctx_destroy (coro->cctx); |
1497 | SvREFCNT_dec (coro->startcv); |
1713 | SvREFCNT_dec (coro->startcv); |
1498 | SvREFCNT_dec (coro->args); |
1714 | SvREFCNT_dec (coro->args); |
|
|
1715 | SvREFCNT_dec (coro->swap_sv); |
1499 | SvREFCNT_dec (CORO_THROW); |
1716 | SvREFCNT_dec (CORO_THROW); |
1500 | |
|
|
1501 | if (coro->next) coro->next->prev = coro->prev; |
|
|
1502 | if (coro->prev) coro->prev->next = coro->next; |
|
|
1503 | if (coro == coro_first) coro_first = coro->next; |
|
|
1504 | |
|
|
1505 | return 1; |
|
|
1506 | } |
1717 | } |
1507 | |
1718 | |
1508 | static int |
1719 | static int |
1509 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1720 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1510 | { |
1721 | { |
… | |
… | |
1558 | |
1769 | |
1559 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1770 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1560 | TRANSFER (ta, 1); |
1771 | TRANSFER (ta, 1); |
1561 | } |
1772 | } |
1562 | |
1773 | |
1563 | /*****************************************************************************/ |
|
|
1564 | /* gensub: simple closure generation utility */ |
|
|
1565 | |
|
|
1566 | #define GENSUB_ARG CvXSUBANY (cv).any_ptr |
|
|
1567 | |
|
|
1568 | /* create a closure from XS, returns a code reference */ |
|
|
1569 | /* the arg can be accessed via GENSUB_ARG from the callback */ |
|
|
1570 | /* the callback must use dXSARGS/XSRETURN */ |
|
|
1571 | static SV * |
|
|
1572 | gensub (pTHX_ void (*xsub)(pTHX_ CV *), void *arg) |
|
|
1573 | { |
|
|
1574 | CV *cv = (CV *)newSV (0); |
|
|
1575 | |
|
|
1576 | sv_upgrade ((SV *)cv, SVt_PVCV); |
|
|
1577 | |
|
|
1578 | CvANON_on (cv); |
|
|
1579 | CvISXSUB_on (cv); |
|
|
1580 | CvXSUB (cv) = xsub; |
|
|
1581 | GENSUB_ARG = arg; |
|
|
1582 | |
|
|
1583 | return newRV_noinc ((SV *)cv); |
|
|
1584 | } |
|
|
1585 | |
|
|
1586 | /** Coro ********************************************************************/ |
1774 | /** Coro ********************************************************************/ |
1587 | |
1775 | |
1588 | INLINE void |
1776 | INLINE void |
1589 | coro_enq (pTHX_ struct coro *coro) |
1777 | coro_enq (pTHX_ struct coro *coro) |
1590 | { |
1778 | { |
1591 | av_push (coro_ready [coro->prio - PRIO_MIN], SvREFCNT_inc_NN (coro->hv)); |
1779 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1592 | } |
|
|
1593 | |
1780 | |
1594 | INLINE SV * |
1781 | SvREFCNT_inc_NN (coro->hv); |
|
|
1782 | |
|
|
1783 | coro->next_ready = 0; |
|
|
1784 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
|
|
1785 | ready [1] = coro; |
|
|
1786 | } |
|
|
1787 | |
|
|
1788 | INLINE struct coro * |
1595 | coro_deq (pTHX) |
1789 | coro_deq (pTHX) |
1596 | { |
1790 | { |
1597 | int prio; |
1791 | int prio; |
1598 | |
1792 | |
1599 | for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; ) |
1793 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
1600 | if (AvFILLp (coro_ready [prio]) >= 0) |
1794 | { |
1601 | return av_shift (coro_ready [prio]); |
1795 | struct coro **ready = coro_ready [prio]; |
|
|
1796 | |
|
|
1797 | if (ready [0]) |
|
|
1798 | { |
|
|
1799 | struct coro *coro = ready [0]; |
|
|
1800 | ready [0] = coro->next_ready; |
|
|
1801 | return coro; |
|
|
1802 | } |
|
|
1803 | } |
1602 | |
1804 | |
1603 | return 0; |
1805 | return 0; |
|
|
1806 | } |
|
|
1807 | |
|
|
1808 | static void |
|
|
1809 | invoke_sv_ready_hook_helper (void) |
|
|
1810 | { |
|
|
1811 | dTHX; |
|
|
1812 | dSP; |
|
|
1813 | |
|
|
1814 | ENTER; |
|
|
1815 | SAVETMPS; |
|
|
1816 | |
|
|
1817 | PUSHMARK (SP); |
|
|
1818 | PUTBACK; |
|
|
1819 | call_sv (coro_readyhook, G_VOID | G_DISCARD); |
|
|
1820 | |
|
|
1821 | FREETMPS; |
|
|
1822 | LEAVE; |
1604 | } |
1823 | } |
1605 | |
1824 | |
1606 | static int |
1825 | static int |
1607 | api_ready (pTHX_ SV *coro_sv) |
1826 | api_ready (pTHX_ SV *coro_sv) |
1608 | { |
1827 | { |
1609 | struct coro *coro; |
|
|
1610 | SV *sv_hook; |
|
|
1611 | void (*xs_hook)(void); |
|
|
1612 | |
|
|
1613 | coro = SvSTATE (coro_sv); |
1828 | struct coro *coro = SvSTATE (coro_sv); |
1614 | |
1829 | |
1615 | if (coro->flags & CF_READY) |
1830 | if (coro->flags & CF_READY) |
1616 | return 0; |
1831 | return 0; |
1617 | |
1832 | |
1618 | coro->flags |= CF_READY; |
1833 | coro->flags |= CF_READY; |
1619 | |
1834 | |
1620 | sv_hook = coro_nready ? 0 : coro_readyhook; |
|
|
1621 | xs_hook = coro_nready ? 0 : coroapi.readyhook; |
|
|
1622 | |
|
|
1623 | coro_enq (aTHX_ coro); |
1835 | coro_enq (aTHX_ coro); |
1624 | ++coro_nready; |
|
|
1625 | |
1836 | |
1626 | if (sv_hook) |
1837 | if (!coro_nready++) |
1627 | { |
1838 | if (coroapi.readyhook) |
1628 | dSP; |
1839 | coroapi.readyhook (); |
1629 | |
|
|
1630 | ENTER; |
|
|
1631 | SAVETMPS; |
|
|
1632 | |
|
|
1633 | PUSHMARK (SP); |
|
|
1634 | PUTBACK; |
|
|
1635 | call_sv (sv_hook, G_VOID | G_DISCARD); |
|
|
1636 | |
|
|
1637 | FREETMPS; |
|
|
1638 | LEAVE; |
|
|
1639 | } |
|
|
1640 | |
|
|
1641 | if (xs_hook) |
|
|
1642 | xs_hook (); |
|
|
1643 | |
1840 | |
1644 | return 1; |
1841 | return 1; |
1645 | } |
1842 | } |
1646 | |
1843 | |
1647 | static int |
1844 | static int |
… | |
… | |
1670 | static void |
1867 | static void |
1671 | prepare_schedule (pTHX_ struct coro_transfer_args *ta) |
1868 | prepare_schedule (pTHX_ struct coro_transfer_args *ta) |
1672 | { |
1869 | { |
1673 | for (;;) |
1870 | for (;;) |
1674 | { |
1871 | { |
1675 | SV *next_sv = coro_deq (aTHX); |
1872 | struct coro *next = coro_deq (aTHX); |
1676 | |
1873 | |
1677 | if (expect_true (next_sv)) |
1874 | if (expect_true (next)) |
1678 | { |
1875 | { |
1679 | struct coro *next = SvSTATE_hv (next_sv); |
|
|
1680 | |
|
|
1681 | /* cannot transfer to destroyed coros, skip and look for next */ |
1876 | /* cannot transfer to destroyed coros, skip and look for next */ |
1682 | if (expect_false (next->flags & CF_DESTROYED)) |
1877 | if (expect_false (next->flags & (CF_DESTROYED | CF_SUSPENDED))) |
1683 | SvREFCNT_dec (next_sv); /* coro_nready has already been taken care of by destroy */ |
1878 | SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ |
1684 | else |
1879 | else |
1685 | { |
1880 | { |
1686 | next->flags &= ~CF_READY; |
1881 | next->flags &= ~CF_READY; |
1687 | --coro_nready; |
1882 | --coro_nready; |
1688 | |
1883 | |
… | |
… | |
1694 | { |
1889 | { |
1695 | /* nothing to schedule: call the idle handler */ |
1890 | /* nothing to schedule: call the idle handler */ |
1696 | if (SvROK (sv_idle) |
1891 | if (SvROK (sv_idle) |
1697 | && SvOBJECT (SvRV (sv_idle))) |
1892 | && SvOBJECT (SvRV (sv_idle))) |
1698 | { |
1893 | { |
|
|
1894 | if (SvRV (sv_idle) == SvRV (coro_current)) |
|
|
1895 | croak ("FATAL: $Coro::IDLE blocked itself - did you try to block inside an event loop callback? Caught"); |
|
|
1896 | |
1699 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
1897 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
1700 | api_ready (aTHX_ SvRV (sv_idle)); |
1898 | api_ready (aTHX_ SvRV (sv_idle)); |
1701 | --coro_nready; |
1899 | --coro_nready; |
1702 | } |
1900 | } |
1703 | else |
1901 | else |
1704 | { |
1902 | { |
|
|
1903 | /* TODO: deprecated, remove, cannot work reliably *//*D*/ |
1705 | dSP; |
1904 | dSP; |
1706 | |
1905 | |
1707 | ENTER; |
1906 | ENTER; |
1708 | SAVETMPS; |
1907 | SAVETMPS; |
1709 | |
1908 | |
… | |
… | |
1819 | |
2018 | |
1820 | static void |
2019 | static void |
1821 | coro_call_on_destroy (pTHX_ struct coro *coro) |
2020 | coro_call_on_destroy (pTHX_ struct coro *coro) |
1822 | { |
2021 | { |
1823 | SV **on_destroyp = hv_fetch (coro->hv, "_on_destroy", sizeof ("_on_destroy") - 1, 0); |
2022 | SV **on_destroyp = hv_fetch (coro->hv, "_on_destroy", sizeof ("_on_destroy") - 1, 0); |
1824 | SV **statusp = hv_fetch (coro->hv, "_status", sizeof ("_status") - 1, 0); |
|
|
1825 | |
2023 | |
1826 | if (on_destroyp) |
2024 | if (on_destroyp) |
1827 | { |
2025 | { |
1828 | AV *on_destroy = (AV *)SvRV (*on_destroyp); |
2026 | SV **statusp = hv_fetch (coro->hv, "_status", sizeof ("_status") - 1, 0); |
|
|
2027 | AV *on_destroy = sv_2mortal (SvREFCNT_inc ((AV *)SvRV (*on_destroyp))); |
|
|
2028 | AV *status = statusp ? sv_2mortal (SvREFCNT_inc ((AV *)SvRV (*statusp))) : 0; |
1829 | |
2029 | |
1830 | while (AvFILLp (on_destroy) >= 0) |
2030 | while (AvFILLp (on_destroy) >= 0) |
1831 | { |
2031 | { |
1832 | dSP; /* don't disturb outer sp */ |
2032 | dSP; /* don't disturb outer sp */ |
1833 | SV *cb = av_pop (on_destroy); |
2033 | SV *cb = av_pop (on_destroy); |
… | |
… | |
1835 | PUSHMARK (SP); |
2035 | PUSHMARK (SP); |
1836 | |
2036 | |
1837 | if (statusp) |
2037 | if (statusp) |
1838 | { |
2038 | { |
1839 | int i; |
2039 | int i; |
1840 | AV *status = (AV *)SvRV (*statusp); |
|
|
1841 | EXTEND (SP, AvFILLp (status) + 1); |
2040 | EXTEND (SP, AvFILLp (status) + 1); |
1842 | |
2041 | |
1843 | for (i = 0; i <= AvFILLp (status); ++i) |
2042 | for (i = 0; i <= AvFILLp (status); ++i) |
1844 | PUSHs (AvARRAY (status)[i]); |
2043 | PUSHs (AvARRAY (status)[i]); |
1845 | } |
2044 | } |
… | |
… | |
1849 | } |
2048 | } |
1850 | } |
2049 | } |
1851 | } |
2050 | } |
1852 | |
2051 | |
1853 | static void |
2052 | static void |
1854 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2053 | coro_set_status (HV *coro_hv, SV **arg, int items) |
1855 | { |
2054 | { |
1856 | int i; |
|
|
1857 | HV *hv = (HV *)SvRV (coro_current); |
|
|
1858 | AV *av = newAV (); |
2055 | AV *av = newAV (); |
1859 | |
2056 | |
|
|
2057 | /* items are actually not so common, so optimise for this case */ |
|
|
2058 | if (items) |
|
|
2059 | { |
|
|
2060 | int i; |
|
|
2061 | |
1860 | av_extend (av, items - 1); |
2062 | av_extend (av, items - 1); |
|
|
2063 | |
1861 | for (i = 0; i < items; ++i) |
2064 | for (i = 0; i < items; ++i) |
1862 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
2065 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
|
|
2066 | } |
1863 | |
2067 | |
1864 | hv_store (hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0); |
2068 | hv_store (coro_hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0); |
|
|
2069 | } |
1865 | |
2070 | |
|
|
2071 | static void |
|
|
2072 | slf_init_terminate_cancel_common (pTHX_ struct CoroSLF *frame, HV *coro_hv) |
|
|
2073 | { |
1866 | av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */ |
2074 | av_push (av_destroy, (SV *)newRV_inc ((SV *)coro_hv)); /* RVinc for perl */ |
1867 | api_ready (aTHX_ sv_manager); |
2075 | api_ready (aTHX_ sv_manager); |
1868 | |
2076 | |
1869 | frame->prepare = prepare_schedule; |
2077 | frame->prepare = prepare_schedule; |
1870 | frame->check = slf_check_repeat; |
2078 | frame->check = slf_check_repeat; |
1871 | |
2079 | |
1872 | /* as a minor optimisation, we could unwind all stacks here */ |
2080 | /* as a minor optimisation, we could unwind all stacks here */ |
1873 | /* but that puts extra pressure on pp_slf, and is not worth much */ |
2081 | /* but that puts extra pressure on pp_slf, and is not worth much */ |
1874 | /*coro_unwind_stacks (aTHX);*/ |
2082 | /*coro_unwind_stacks (aTHX);*/ |
|
|
2083 | } |
|
|
2084 | |
|
|
2085 | static void |
|
|
2086 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2087 | { |
|
|
2088 | HV *coro_hv = (HV *)SvRV (coro_current); |
|
|
2089 | |
|
|
2090 | coro_set_status (coro_hv, arg, items); |
|
|
2091 | slf_init_terminate_cancel_common (frame, coro_hv); |
|
|
2092 | } |
|
|
2093 | |
|
|
2094 | static void |
|
|
2095 | slf_init_cancel (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2096 | { |
|
|
2097 | HV *coro_hv; |
|
|
2098 | struct coro *coro; |
|
|
2099 | |
|
|
2100 | if (items <= 0) |
|
|
2101 | croak ("Coro::cancel called without coro object,"); |
|
|
2102 | |
|
|
2103 | coro = SvSTATE (arg [0]); |
|
|
2104 | coro_hv = coro->hv; |
|
|
2105 | |
|
|
2106 | coro_set_status (coro_hv, arg + 1, items - 1); |
|
|
2107 | |
|
|
2108 | if (expect_false (coro->flags & CF_NOCANCEL)) |
|
|
2109 | { |
|
|
2110 | /* coro currently busy cancelling something, so just notify it */ |
|
|
2111 | coro->slf_frame.data = (void *)coro; |
|
|
2112 | |
|
|
2113 | frame->prepare = prepare_nop; |
|
|
2114 | frame->check = slf_check_nop; |
|
|
2115 | } |
|
|
2116 | else if (coro_hv == (HV *)SvRV (coro_current)) |
|
|
2117 | { |
|
|
2118 | /* cancelling the current coro is allowed, and equals terminate */ |
|
|
2119 | slf_init_terminate_cancel_common (frame, coro_hv); |
|
|
2120 | } |
|
|
2121 | else |
|
|
2122 | { |
|
|
2123 | struct coro *self = SvSTATE_current; |
|
|
2124 | |
|
|
2125 | /* otherwise we cancel directly, purely for speed reasons |
|
|
2126 | * unfortunately, this requires some magic trickery, as |
|
|
2127 | * somebody else could cancel us, so we have to fight the cancellation. |
|
|
2128 | * this is ugly, and hopefully fully worth the extra speed. |
|
|
2129 | * besides, I can't get the slow-but-safe version working... |
|
|
2130 | */ |
|
|
2131 | slf_frame.data = 0; |
|
|
2132 | self->flags |= CF_NOCANCEL; |
|
|
2133 | |
|
|
2134 | coro_state_destroy (aTHX_ coro); |
|
|
2135 | coro_call_on_destroy (aTHX_ coro); |
|
|
2136 | |
|
|
2137 | self->flags &= ~CF_NOCANCEL; |
|
|
2138 | |
|
|
2139 | if (slf_frame.data) |
|
|
2140 | { |
|
|
2141 | /* while we were busy we have been cancelled, so terminate */ |
|
|
2142 | slf_init_terminate_cancel_common (frame, self->hv); |
|
|
2143 | } |
|
|
2144 | else |
|
|
2145 | { |
|
|
2146 | frame->prepare = prepare_nop; |
|
|
2147 | frame->check = slf_check_nop; |
|
|
2148 | } |
|
|
2149 | } |
1875 | } |
2150 | } |
1876 | |
2151 | |
1877 | /*****************************************************************************/ |
2152 | /*****************************************************************************/ |
1878 | /* async pool handler */ |
2153 | /* async pool handler */ |
1879 | |
2154 | |
… | |
… | |
1957 | |
2232 | |
1958 | static void |
2233 | static void |
1959 | coro_rouse_callback (pTHX_ CV *cv) |
2234 | coro_rouse_callback (pTHX_ CV *cv) |
1960 | { |
2235 | { |
1961 | dXSARGS; |
2236 | dXSARGS; |
1962 | SV *data = (SV *)GENSUB_ARG; |
2237 | SV *data = (SV *)S_GENSUB_ARG; |
1963 | |
2238 | |
1964 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2239 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
1965 | { |
2240 | { |
1966 | /* first call, set args */ |
2241 | /* first call, set args */ |
|
|
2242 | SV *coro = SvRV (data); |
1967 | AV *av = newAV (); |
2243 | AV *av = newAV (); |
1968 | SV *coro = SvRV (data); |
|
|
1969 | |
2244 | |
1970 | SvRV_set (data, (SV *)av); |
2245 | SvRV_set (data, (SV *)av); |
1971 | api_ready (aTHX_ coro); |
|
|
1972 | SvREFCNT_dec (coro); |
|
|
1973 | |
2246 | |
1974 | /* better take a full copy of the arguments */ |
2247 | /* better take a full copy of the arguments */ |
1975 | while (items--) |
2248 | while (items--) |
1976 | av_store (av, items, newSVsv (ST (items))); |
2249 | av_store (av, items, newSVsv (ST (items))); |
|
|
2250 | |
|
|
2251 | api_ready (aTHX_ coro); |
|
|
2252 | SvREFCNT_dec (coro); |
1977 | } |
2253 | } |
1978 | |
2254 | |
1979 | XSRETURN_EMPTY; |
2255 | XSRETURN_EMPTY; |
1980 | } |
2256 | } |
1981 | |
2257 | |
… | |
… | |
1998 | |
2274 | |
1999 | EXTEND (SP, AvFILLp (av) + 1); |
2275 | EXTEND (SP, AvFILLp (av) + 1); |
2000 | for (i = 0; i <= AvFILLp (av); ++i) |
2276 | for (i = 0; i <= AvFILLp (av); ++i) |
2001 | PUSHs (sv_2mortal (AvARRAY (av)[i])); |
2277 | PUSHs (sv_2mortal (AvARRAY (av)[i])); |
2002 | |
2278 | |
2003 | /* we have stolen the elements, so ste length to zero and free */ |
2279 | /* we have stolen the elements, so set length to zero and free */ |
2004 | AvFILLp (av) = -1; |
2280 | AvFILLp (av) = -1; |
2005 | av_undef (av); |
2281 | av_undef (av); |
2006 | |
2282 | |
2007 | PUTBACK; |
2283 | PUTBACK; |
2008 | } |
2284 | } |
… | |
… | |
2032 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2308 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2033 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2309 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2034 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2310 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2035 | |
2311 | |
2036 | { |
2312 | { |
2037 | CV *cv = (CV *)SvRV (cb); /* for GENSUB_ARG */ |
2313 | CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ |
2038 | SV *data = (SV *)GENSUB_ARG; |
2314 | SV *data = (SV *)S_GENSUB_ARG; |
2039 | |
2315 | |
2040 | frame->data = (void *)data; |
2316 | frame->data = (void *)data; |
2041 | frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule; |
2317 | frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule; |
2042 | frame->check = slf_check_rouse_wait; |
2318 | frame->check = slf_check_rouse_wait; |
2043 | } |
2319 | } |
… | |
… | |
2047 | coro_new_rouse_cb (pTHX) |
2323 | coro_new_rouse_cb (pTHX) |
2048 | { |
2324 | { |
2049 | HV *hv = (HV *)SvRV (coro_current); |
2325 | HV *hv = (HV *)SvRV (coro_current); |
2050 | struct coro *coro = SvSTATE_hv (hv); |
2326 | struct coro *coro = SvSTATE_hv (hv); |
2051 | SV *data = newRV_inc ((SV *)hv); |
2327 | SV *data = newRV_inc ((SV *)hv); |
2052 | SV *cb = gensub (aTHX_ coro_rouse_callback, (void *)data); |
2328 | SV *cb = s_gensub (aTHX_ coro_rouse_callback, (void *)data); |
2053 | |
2329 | |
2054 | sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0); |
2330 | sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0); |
2055 | SvREFCNT_dec (data); /* magicext increases the refcount */ |
2331 | SvREFCNT_dec (data); /* magicext increases the refcount */ |
2056 | |
2332 | |
2057 | SvREFCNT_dec (coro->rouse_cb); |
2333 | SvREFCNT_dec (coro->rouse_cb); |
… | |
… | |
2282 | if (PL_op->op_flags & OPf_STACKED) |
2558 | if (PL_op->op_flags & OPf_STACKED) |
2283 | { |
2559 | { |
2284 | if (items > slf_arga) |
2560 | if (items > slf_arga) |
2285 | { |
2561 | { |
2286 | slf_arga = items; |
2562 | slf_arga = items; |
2287 | free (slf_argv); |
2563 | Safefree (slf_argv); |
2288 | slf_argv = malloc (slf_arga * sizeof (SV *)); |
2564 | New (0, slf_argv, slf_arga, SV *); |
2289 | } |
2565 | } |
2290 | |
2566 | |
2291 | slf_argc = items; |
2567 | slf_argc = items; |
2292 | |
2568 | |
2293 | for (i = 0; i < items; ++i) |
2569 | for (i = 0; i < items; ++i) |
… | |
… | |
2298 | |
2574 | |
2299 | PL_op->op_ppaddr = pp_slf; |
2575 | PL_op->op_ppaddr = pp_slf; |
2300 | /*PL_op->op_type = OP_CUSTOM; /* we do behave like entersub still */ |
2576 | /*PL_op->op_type = OP_CUSTOM; /* we do behave like entersub still */ |
2301 | |
2577 | |
2302 | PL_op = (OP *)&slf_restore; |
2578 | PL_op = (OP *)&slf_restore; |
|
|
2579 | } |
|
|
2580 | |
|
|
2581 | /*****************************************************************************/ |
|
|
2582 | /* dynamic wind */ |
|
|
2583 | |
|
|
2584 | static void |
|
|
2585 | on_enterleave_call (pTHX_ SV *cb) |
|
|
2586 | { |
|
|
2587 | dSP; |
|
|
2588 | |
|
|
2589 | PUSHSTACK; |
|
|
2590 | |
|
|
2591 | PUSHMARK (SP); |
|
|
2592 | PUTBACK; |
|
|
2593 | call_sv (cb, G_VOID | G_DISCARD); |
|
|
2594 | SPAGAIN; |
|
|
2595 | |
|
|
2596 | POPSTACK; |
|
|
2597 | } |
|
|
2598 | |
|
|
2599 | static SV * |
|
|
2600 | coro_avp_pop_and_free (pTHX_ AV **avp) |
|
|
2601 | { |
|
|
2602 | AV *av = *avp; |
|
|
2603 | SV *res = av_pop (av); |
|
|
2604 | |
|
|
2605 | if (AvFILLp (av) < 0) |
|
|
2606 | { |
|
|
2607 | *avp = 0; |
|
|
2608 | SvREFCNT_dec (av); |
|
|
2609 | } |
|
|
2610 | |
|
|
2611 | return res; |
|
|
2612 | } |
|
|
2613 | |
|
|
2614 | static void |
|
|
2615 | coro_pop_on_enter (pTHX_ void *coro) |
|
|
2616 | { |
|
|
2617 | SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_enter); |
|
|
2618 | SvREFCNT_dec (cb); |
|
|
2619 | } |
|
|
2620 | |
|
|
2621 | static void |
|
|
2622 | coro_pop_on_leave (pTHX_ void *coro) |
|
|
2623 | { |
|
|
2624 | SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_leave); |
|
|
2625 | on_enterleave_call (aTHX_ sv_2mortal (cb)); |
2303 | } |
2626 | } |
2304 | |
2627 | |
2305 | /*****************************************************************************/ |
2628 | /*****************************************************************************/ |
2306 | /* PerlIO::cede */ |
2629 | /* PerlIO::cede */ |
2307 | |
2630 | |
… | |
… | |
2381 | /* Coro::Semaphore & Coro::Signal */ |
2704 | /* Coro::Semaphore & Coro::Signal */ |
2382 | |
2705 | |
2383 | static SV * |
2706 | static SV * |
2384 | coro_waitarray_new (pTHX_ int count) |
2707 | coro_waitarray_new (pTHX_ int count) |
2385 | { |
2708 | { |
2386 | /* a semaphore contains a counter IV in $sem->[0] and any waiters after that */ |
2709 | /* a waitarray=semaphore contains a counter IV in $sem->[0] and any waiters after that */ |
2387 | AV *av = newAV (); |
2710 | AV *av = newAV (); |
2388 | SV **ary; |
2711 | SV **ary; |
2389 | |
2712 | |
2390 | /* unfortunately, building manually saves memory */ |
2713 | /* unfortunately, building manually saves memory */ |
2391 | Newx (ary, 2, SV *); |
2714 | Newx (ary, 2, SV *); |
… | |
… | |
2533 | { |
2856 | { |
2534 | if (items >= 2) |
2857 | if (items >= 2) |
2535 | { |
2858 | { |
2536 | /* callback form */ |
2859 | /* callback form */ |
2537 | AV *av = (AV *)SvRV (arg [0]); |
2860 | AV *av = (AV *)SvRV (arg [0]); |
2538 | CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]); |
2861 | SV *cb_cv = s_get_cv_croak (arg [1]); |
2539 | |
2862 | |
2540 | av_push (av, (SV *)SvREFCNT_inc_NN (cb_cv)); |
2863 | av_push (av, SvREFCNT_inc_NN (cb_cv)); |
2541 | |
2864 | |
2542 | if (SvIVX (AvARRAY (av)[0]) > 0) |
2865 | if (SvIVX (AvARRAY (av)[0]) > 0) |
2543 | coro_semaphore_adjust (aTHX_ av, 0); |
2866 | coro_semaphore_adjust (aTHX_ av, 0); |
2544 | |
2867 | |
2545 | frame->prepare = prepare_nop; |
2868 | frame->prepare = prepare_nop; |
… | |
… | |
2569 | AvARRAY (av)[0] = AvARRAY (av)[1]; |
2892 | AvARRAY (av)[0] = AvARRAY (av)[1]; |
2570 | AvARRAY (av)[1] = cb; |
2893 | AvARRAY (av)[1] = cb; |
2571 | |
2894 | |
2572 | cb = av_shift (av); |
2895 | cb = av_shift (av); |
2573 | |
2896 | |
|
|
2897 | if (SvTYPE (cb) == SVt_PVCV) |
|
|
2898 | { |
|
|
2899 | dSP; |
|
|
2900 | PUSHMARK (SP); |
|
|
2901 | XPUSHs (sv_2mortal (newRV_inc ((SV *)av))); |
|
|
2902 | PUTBACK; |
|
|
2903 | call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR); |
|
|
2904 | } |
|
|
2905 | else |
|
|
2906 | { |
2574 | api_ready (aTHX_ cb); |
2907 | api_ready (aTHX_ cb); |
2575 | sv_setiv (cb, 0); /* signal waiter */ |
2908 | sv_setiv (cb, 0); /* signal waiter */ |
|
|
2909 | } |
|
|
2910 | |
2576 | SvREFCNT_dec (cb); |
2911 | SvREFCNT_dec (cb); |
2577 | |
2912 | |
2578 | --count; |
2913 | --count; |
2579 | } |
2914 | } |
2580 | } |
2915 | } |
… | |
… | |
2589 | static void |
2924 | static void |
2590 | slf_init_signal_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2925 | slf_init_signal_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2591 | { |
2926 | { |
2592 | AV *av = (AV *)SvRV (arg [0]); |
2927 | AV *av = (AV *)SvRV (arg [0]); |
2593 | |
2928 | |
|
|
2929 | if (items >= 2) |
|
|
2930 | { |
|
|
2931 | SV *cb_cv = s_get_cv_croak (arg [1]); |
|
|
2932 | av_push (av, SvREFCNT_inc_NN (cb_cv)); |
|
|
2933 | |
2594 | if (SvIVX (AvARRAY (av)[0])) |
2934 | if (SvIVX (AvARRAY (av)[0])) |
|
|
2935 | coro_signal_wake (aTHX_ av, 1); /* must be the only waiter */ |
|
|
2936 | |
|
|
2937 | frame->prepare = prepare_nop; |
|
|
2938 | frame->check = slf_check_nop; |
|
|
2939 | } |
|
|
2940 | else if (SvIVX (AvARRAY (av)[0])) |
2595 | { |
2941 | { |
2596 | SvIVX (AvARRAY (av)[0]) = 0; |
2942 | SvIVX (AvARRAY (av)[0]) = 0; |
2597 | frame->prepare = prepare_nop; |
2943 | frame->prepare = prepare_nop; |
2598 | frame->check = slf_check_nop; |
2944 | frame->check = slf_check_nop; |
2599 | } |
2945 | } |
2600 | else |
2946 | else |
2601 | { |
2947 | { |
2602 | SV *waiter = newRV_inc (SvRV (coro_current)); /* owned by signal av */ |
2948 | SV *waiter = newSVsv (coro_current); /* owned by signal av */ |
2603 | |
2949 | |
2604 | av_push (av, waiter); |
2950 | av_push (av, waiter); |
2605 | |
2951 | |
2606 | frame->data = (void *)sv_2mortal (SvREFCNT_inc_NN (waiter)); /* owned by process */ |
2952 | frame->data = (void *)sv_2mortal (SvREFCNT_inc_NN (waiter)); /* owned by process */ |
2607 | frame->prepare = prepare_schedule; |
2953 | frame->prepare = prepare_schedule; |
… | |
… | |
2625 | |
2971 | |
2626 | static void |
2972 | static void |
2627 | coro_aio_callback (pTHX_ CV *cv) |
2973 | coro_aio_callback (pTHX_ CV *cv) |
2628 | { |
2974 | { |
2629 | dXSARGS; |
2975 | dXSARGS; |
2630 | AV *state = (AV *)GENSUB_ARG; |
2976 | AV *state = (AV *)S_GENSUB_ARG; |
2631 | SV *coro = av_pop (state); |
2977 | SV *coro = av_pop (state); |
2632 | SV *data_sv = newSV (sizeof (struct io_state)); |
2978 | SV *data_sv = newSV (sizeof (struct io_state)); |
2633 | |
2979 | |
2634 | av_extend (state, items - 1); |
2980 | av_extend (state, items - 1); |
2635 | |
2981 | |
… | |
… | |
2749 | |
3095 | |
2750 | for (i = 0; i < items; ++i) |
3096 | for (i = 0; i < items; ++i) |
2751 | PUSHs (arg [i]); |
3097 | PUSHs (arg [i]); |
2752 | |
3098 | |
2753 | /* now push the callback closure */ |
3099 | /* now push the callback closure */ |
2754 | PUSHs (sv_2mortal (gensub (aTHX_ coro_aio_callback, (void *)SvREFCNT_inc_NN ((SV *)state)))); |
3100 | PUSHs (sv_2mortal (s_gensub (aTHX_ coro_aio_callback, (void *)SvREFCNT_inc_NN ((SV *)state)))); |
2755 | |
3101 | |
2756 | /* now call the AIO function - we assume our request is uncancelable */ |
3102 | /* now call the AIO function - we assume our request is uncancelable */ |
2757 | PUTBACK; |
3103 | PUTBACK; |
2758 | call_sv ((SV *)req, G_VOID | G_DISCARD); |
3104 | call_sv ((SV *)req, G_VOID | G_DISCARD); |
2759 | } |
3105 | } |
2760 | |
3106 | |
2761 | /* now that the requets is going, we loop toll we have a result */ |
3107 | /* now that the request is going, we loop till we have a result */ |
2762 | frame->data = (void *)state; |
3108 | frame->data = (void *)state; |
2763 | frame->prepare = prepare_schedule; |
3109 | frame->prepare = prepare_schedule; |
2764 | frame->check = slf_check_aio_req; |
3110 | frame->check = slf_check_aio_req; |
2765 | } |
3111 | } |
2766 | |
3112 | |
… | |
… | |
2777 | /*****************************************************************************/ |
3123 | /*****************************************************************************/ |
2778 | |
3124 | |
2779 | #if CORO_CLONE |
3125 | #if CORO_CLONE |
2780 | # include "clone.c" |
3126 | # include "clone.c" |
2781 | #endif |
3127 | #endif |
|
|
3128 | |
|
|
3129 | /*****************************************************************************/ |
|
|
3130 | |
|
|
3131 | static SV * |
|
|
3132 | coro_new (pTHX_ HV *stash, SV **argv, int argc, int is_coro) |
|
|
3133 | { |
|
|
3134 | SV *coro_sv; |
|
|
3135 | struct coro *coro; |
|
|
3136 | MAGIC *mg; |
|
|
3137 | HV *hv; |
|
|
3138 | SV *cb; |
|
|
3139 | int i; |
|
|
3140 | |
|
|
3141 | if (argc > 0) |
|
|
3142 | { |
|
|
3143 | cb = s_get_cv_croak (argv [0]); |
|
|
3144 | |
|
|
3145 | if (!is_coro) |
|
|
3146 | { |
|
|
3147 | if (CvISXSUB (cb)) |
|
|
3148 | croak ("Coro::State doesn't support XS functions as coroutine start, caught"); |
|
|
3149 | |
|
|
3150 | if (!CvROOT (cb)) |
|
|
3151 | croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught"); |
|
|
3152 | } |
|
|
3153 | } |
|
|
3154 | |
|
|
3155 | Newz (0, coro, 1, struct coro); |
|
|
3156 | coro->args = newAV (); |
|
|
3157 | coro->flags = CF_NEW; |
|
|
3158 | |
|
|
3159 | if (coro_first) coro_first->prev = coro; |
|
|
3160 | coro->next = coro_first; |
|
|
3161 | coro_first = coro; |
|
|
3162 | |
|
|
3163 | coro->hv = hv = newHV (); |
|
|
3164 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
|
|
3165 | mg->mg_flags |= MGf_DUP; |
|
|
3166 | coro_sv = sv_bless (newRV_noinc ((SV *)hv), stash); |
|
|
3167 | |
|
|
3168 | if (argc > 0) |
|
|
3169 | { |
|
|
3170 | av_extend (coro->args, argc + is_coro - 1); |
|
|
3171 | |
|
|
3172 | if (is_coro) |
|
|
3173 | { |
|
|
3174 | av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb)); |
|
|
3175 | cb = (SV *)cv_coro_run; |
|
|
3176 | } |
|
|
3177 | |
|
|
3178 | coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb); |
|
|
3179 | |
|
|
3180 | for (i = 1; i < argc; i++) |
|
|
3181 | av_push (coro->args, newSVsv (argv [i])); |
|
|
3182 | } |
|
|
3183 | |
|
|
3184 | return coro_sv; |
|
|
3185 | } |
2782 | |
3186 | |
2783 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
3187 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
2784 | |
3188 | |
2785 | PROTOTYPES: DISABLE |
3189 | PROTOTYPES: DISABLE |
2786 | |
3190 | |
… | |
… | |
2839 | coroapi.prepare_nop = prepare_nop; |
3243 | coroapi.prepare_nop = prepare_nop; |
2840 | coroapi.prepare_schedule = prepare_schedule; |
3244 | coroapi.prepare_schedule = prepare_schedule; |
2841 | coroapi.prepare_cede = prepare_cede; |
3245 | coroapi.prepare_cede = prepare_cede; |
2842 | coroapi.prepare_cede_notself = prepare_cede_notself; |
3246 | coroapi.prepare_cede_notself = prepare_cede_notself; |
2843 | |
3247 | |
2844 | { |
3248 | time_init (aTHX); |
2845 | SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
|
|
2846 | |
3249 | |
2847 | if (!svp) croak ("Time::HiRes is required"); |
|
|
2848 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer"); |
|
|
2849 | |
|
|
2850 | nvtime = INT2PTR (double (*)(), SvIV (*svp)); |
|
|
2851 | } |
|
|
2852 | |
|
|
2853 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
3250 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
2854 | } |
3251 | } |
2855 | |
3252 | |
2856 | SV * |
3253 | SV * |
2857 | new (char *klass, ...) |
3254 | new (SV *klass, ...) |
2858 | ALIAS: |
3255 | ALIAS: |
2859 | Coro::new = 1 |
3256 | Coro::new = 1 |
2860 | CODE: |
3257 | CODE: |
2861 | { |
3258 | RETVAL = coro_new (aTHX_ ix ? coro_stash : coro_state_stash, &ST (1), items - 1, ix); |
2862 | struct coro *coro; |
3259 | OUTPUT: |
2863 | MAGIC *mg; |
|
|
2864 | HV *hv; |
|
|
2865 | CV *cb; |
|
|
2866 | int i; |
|
|
2867 | |
|
|
2868 | if (items > 1) |
|
|
2869 | { |
|
|
2870 | cb = coro_sv_2cv (aTHX_ ST (1)); |
|
|
2871 | |
|
|
2872 | if (!ix) |
|
|
2873 | { |
|
|
2874 | if (CvISXSUB (cb)) |
|
|
2875 | croak ("Coro::State doesn't support XS functions as coroutine start, caught"); |
|
|
2876 | |
|
|
2877 | if (!CvROOT (cb)) |
|
|
2878 | croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught"); |
|
|
2879 | } |
|
|
2880 | } |
|
|
2881 | |
|
|
2882 | Newz (0, coro, 1, struct coro); |
|
|
2883 | coro->args = newAV (); |
|
|
2884 | coro->flags = CF_NEW; |
|
|
2885 | |
|
|
2886 | if (coro_first) coro_first->prev = coro; |
|
|
2887 | coro->next = coro_first; |
|
|
2888 | coro_first = coro; |
|
|
2889 | |
|
|
2890 | coro->hv = hv = newHV (); |
|
|
2891 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
|
|
2892 | mg->mg_flags |= MGf_DUP; |
|
|
2893 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
|
|
2894 | |
|
|
2895 | if (items > 1) |
|
|
2896 | { |
|
|
2897 | av_extend (coro->args, items - 1 + ix - 1); |
|
|
2898 | |
|
|
2899 | if (ix) |
|
|
2900 | { |
|
|
2901 | av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb)); |
|
|
2902 | cb = cv_coro_run; |
|
|
2903 | } |
|
|
2904 | |
|
|
2905 | coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb); |
|
|
2906 | |
|
|
2907 | for (i = 2; i < items; i++) |
|
|
2908 | av_push (coro->args, newSVsv (ST (i))); |
|
|
2909 | } |
|
|
2910 | } |
|
|
2911 | OUTPUT: |
|
|
2912 | RETVAL |
3260 | RETVAL |
2913 | |
3261 | |
2914 | void |
3262 | void |
2915 | transfer (...) |
3263 | transfer (...) |
2916 | PROTOTYPE: $$ |
3264 | PROTOTYPE: $$ |
2917 | CODE: |
3265 | CODE: |
2918 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3266 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
2919 | |
|
|
2920 | bool |
|
|
2921 | _destroy (SV *coro_sv) |
|
|
2922 | CODE: |
|
|
2923 | RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv)); |
|
|
2924 | OUTPUT: |
|
|
2925 | RETVAL |
|
|
2926 | |
3267 | |
2927 | void |
3268 | void |
2928 | _exit (int code) |
3269 | _exit (int code) |
2929 | PROTOTYPE: $ |
3270 | PROTOTYPE: $ |
2930 | CODE: |
3271 | CODE: |
… | |
… | |
3005 | eval = 1 |
3346 | eval = 1 |
3006 | CODE: |
3347 | CODE: |
3007 | { |
3348 | { |
3008 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
3349 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
3009 | { |
3350 | { |
3010 | struct coro temp; |
3351 | struct coro *current = SvSTATE_current; |
|
|
3352 | struct CoroSLF slf_save; |
3011 | |
3353 | |
3012 | if (!(coro->flags & CF_RUNNING)) |
3354 | if (current != coro) |
3013 | { |
3355 | { |
3014 | PUTBACK; |
3356 | PUTBACK; |
3015 | save_perl (aTHX_ &temp); |
3357 | save_perl (aTHX_ current); |
3016 | load_perl (aTHX_ coro); |
3358 | load_perl (aTHX_ coro); |
|
|
3359 | /* the coro is most likely in an active SLF call. |
|
|
3360 | * while not strictly required (the code we execute is |
|
|
3361 | * not allowed to call any SLF functions), it's cleaner |
|
|
3362 | * to reinitialise the slf_frame and restore it later. |
|
|
3363 | * This might one day allow us to actually do SLF calls |
|
|
3364 | * from code executed here. |
|
|
3365 | */ |
|
|
3366 | slf_save = slf_frame; |
|
|
3367 | slf_frame.prepare = 0; |
|
|
3368 | SPAGAIN; |
3017 | } |
3369 | } |
3018 | |
3370 | |
3019 | { |
|
|
3020 | dSP; |
|
|
3021 | ENTER; |
|
|
3022 | SAVETMPS; |
|
|
3023 | PUTBACK; |
|
|
3024 | PUSHSTACK; |
3371 | PUSHSTACK; |
|
|
3372 | |
3025 | PUSHMARK (SP); |
3373 | PUSHMARK (SP); |
|
|
3374 | PUTBACK; |
3026 | |
3375 | |
3027 | if (ix) |
3376 | if (ix) |
3028 | eval_sv (coderef, 0); |
3377 | eval_sv (coderef, 0); |
3029 | else |
3378 | else |
3030 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
3379 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
3031 | |
3380 | |
3032 | POPSTACK; |
3381 | POPSTACK; |
3033 | SPAGAIN; |
3382 | SPAGAIN; |
3034 | FREETMPS; |
|
|
3035 | LEAVE; |
|
|
3036 | PUTBACK; |
|
|
3037 | } |
|
|
3038 | |
3383 | |
3039 | if (!(coro->flags & CF_RUNNING)) |
3384 | if (current != coro) |
3040 | { |
3385 | { |
|
|
3386 | PUTBACK; |
|
|
3387 | slf_frame = slf_save; |
3041 | save_perl (aTHX_ coro); |
3388 | save_perl (aTHX_ coro); |
3042 | load_perl (aTHX_ &temp); |
3389 | load_perl (aTHX_ current); |
3043 | SPAGAIN; |
3390 | SPAGAIN; |
3044 | } |
3391 | } |
3045 | } |
3392 | } |
3046 | } |
3393 | } |
3047 | |
3394 | |
… | |
… | |
3051 | ALIAS: |
3398 | ALIAS: |
3052 | is_ready = CF_READY |
3399 | is_ready = CF_READY |
3053 | is_running = CF_RUNNING |
3400 | is_running = CF_RUNNING |
3054 | is_new = CF_NEW |
3401 | is_new = CF_NEW |
3055 | is_destroyed = CF_DESTROYED |
3402 | is_destroyed = CF_DESTROYED |
|
|
3403 | is_suspended = CF_SUSPENDED |
3056 | CODE: |
3404 | CODE: |
3057 | RETVAL = boolSV (coro->flags & ix); |
3405 | RETVAL = boolSV (coro->flags & ix); |
3058 | OUTPUT: |
3406 | OUTPUT: |
3059 | RETVAL |
3407 | RETVAL |
3060 | |
3408 | |
3061 | void |
3409 | void |
3062 | throw (Coro::State self, SV *throw = &PL_sv_undef) |
3410 | throw (Coro::State self, SV *exception = &PL_sv_undef) |
3063 | PROTOTYPE: $;$ |
3411 | PROTOTYPE: $;$ |
3064 | CODE: |
3412 | CODE: |
3065 | { |
3413 | { |
3066 | struct coro *current = SvSTATE_current; |
3414 | struct coro *current = SvSTATE_current; |
3067 | SV **throwp = self == current ? &CORO_THROW : &self->except; |
3415 | SV **exceptionp = self == current ? &CORO_THROW : &self->except; |
3068 | SvREFCNT_dec (*throwp); |
3416 | SvREFCNT_dec (*exceptionp); |
3069 | *throwp = SvOK (throw) ? newSVsv (throw) : 0; |
3417 | SvGETMAGIC (exception); |
|
|
3418 | *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; |
3070 | } |
3419 | } |
3071 | |
3420 | |
3072 | void |
3421 | void |
3073 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3422 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3074 | PROTOTYPE: $;$ |
3423 | PROTOTYPE: $;$ |
… | |
… | |
3125 | SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv; |
3474 | SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv; |
3126 | |
3475 | |
3127 | SV *tmp = *src; *src = *dst; *dst = tmp; |
3476 | SV *tmp = *src; *src = *dst; *dst = tmp; |
3128 | } |
3477 | } |
3129 | |
3478 | |
|
|
3479 | void |
|
|
3480 | cancel (Coro::State self) |
|
|
3481 | CODE: |
|
|
3482 | coro_state_destroy (aTHX_ self); |
|
|
3483 | |
|
|
3484 | SV * |
|
|
3485 | enable_times (int enabled = enable_times) |
|
|
3486 | CODE: |
|
|
3487 | { |
|
|
3488 | RETVAL = boolSV (enable_times); |
|
|
3489 | |
|
|
3490 | if (enabled != enable_times) |
|
|
3491 | { |
|
|
3492 | enable_times = enabled; |
|
|
3493 | |
|
|
3494 | coro_times_update (); |
|
|
3495 | (enabled ? coro_times_sub : coro_times_add)(SvSTATE (coro_current)); |
|
|
3496 | } |
|
|
3497 | } |
|
|
3498 | OUTPUT: |
|
|
3499 | RETVAL |
|
|
3500 | |
|
|
3501 | void |
|
|
3502 | times (Coro::State self) |
|
|
3503 | PPCODE: |
|
|
3504 | { |
|
|
3505 | struct coro *current = SvSTATE (coro_current); |
|
|
3506 | |
|
|
3507 | if (expect_false (current == self)) |
|
|
3508 | { |
|
|
3509 | coro_times_update (); |
|
|
3510 | coro_times_add (SvSTATE (coro_current)); |
|
|
3511 | } |
|
|
3512 | |
|
|
3513 | EXTEND (SP, 2); |
|
|
3514 | PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9))); |
|
|
3515 | PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9))); |
|
|
3516 | |
|
|
3517 | if (expect_false (current == self)) |
|
|
3518 | coro_times_sub (SvSTATE (coro_current)); |
|
|
3519 | } |
|
|
3520 | |
|
|
3521 | void |
|
|
3522 | swap_sv (Coro::State coro, SV *sv, SV *swapsv) |
|
|
3523 | CODE: |
|
|
3524 | { |
|
|
3525 | struct coro *current = SvSTATE_current; |
|
|
3526 | |
|
|
3527 | if (current == coro) |
|
|
3528 | SWAP_SVS (current); |
|
|
3529 | |
|
|
3530 | if (!coro->swap_sv) |
|
|
3531 | coro->swap_sv = newAV (); |
|
|
3532 | |
|
|
3533 | av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (sv ))); |
|
|
3534 | av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (swapsv))); |
|
|
3535 | |
|
|
3536 | if (current == coro) |
|
|
3537 | SWAP_SVS (current); |
|
|
3538 | } |
|
|
3539 | |
3130 | |
3540 | |
3131 | MODULE = Coro::State PACKAGE = Coro |
3541 | MODULE = Coro::State PACKAGE = Coro |
3132 | |
3542 | |
3133 | BOOT: |
3543 | BOOT: |
3134 | { |
3544 | { |
3135 | int i; |
|
|
3136 | |
|
|
3137 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3545 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3138 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3546 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3139 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
3547 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
3140 | cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD); |
3548 | cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD); |
3141 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
3549 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
… | |
… | |
3145 | sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); |
3553 | sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); |
3146 | |
3554 | |
3147 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3555 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3148 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
3556 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
3149 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
3557 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
3150 | cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new); |
3558 | CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */ |
3151 | |
3559 | |
3152 | coro_stash = gv_stashpv ("Coro", TRUE); |
3560 | coro_stash = gv_stashpv ("Coro", TRUE); |
3153 | |
3561 | |
3154 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
3562 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
3155 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
3563 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
3156 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); |
3564 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL)); |
3157 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); |
3565 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (CORO_PRIO_LOW)); |
3158 | newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE)); |
3566 | newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (CORO_PRIO_IDLE)); |
3159 | newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN)); |
3567 | newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (CORO_PRIO_MIN)); |
3160 | |
|
|
3161 | for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) |
|
|
3162 | coro_ready[i] = newAV (); |
|
|
3163 | |
3568 | |
3164 | { |
3569 | { |
3165 | SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE); |
3570 | SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE); |
3166 | |
3571 | |
3167 | coroapi.schedule = api_schedule; |
3572 | coroapi.schedule = api_schedule; |
… | |
… | |
3177 | sv_setiv (sv, (IV)&coroapi); |
3582 | sv_setiv (sv, (IV)&coroapi); |
3178 | SvREADONLY_on (sv); |
3583 | SvREADONLY_on (sv); |
3179 | } |
3584 | } |
3180 | } |
3585 | } |
3181 | |
3586 | |
|
|
3587 | SV * |
|
|
3588 | async (...) |
|
|
3589 | PROTOTYPE: &@ |
|
|
3590 | CODE: |
|
|
3591 | RETVAL = coro_new (aTHX_ coro_stash, &ST (0), items, 1); |
|
|
3592 | api_ready (aTHX_ RETVAL); |
|
|
3593 | OUTPUT: |
|
|
3594 | RETVAL |
|
|
3595 | |
|
|
3596 | void |
|
|
3597 | _destroy (Coro::State coro) |
|
|
3598 | CODE: |
|
|
3599 | /* used by the manager thread */ |
|
|
3600 | coro_state_destroy (aTHX_ coro); |
|
|
3601 | coro_call_on_destroy (aTHX_ coro); |
|
|
3602 | |
3182 | void |
3603 | void |
3183 | terminate (...) |
3604 | terminate (...) |
3184 | CODE: |
3605 | CODE: |
3185 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
3606 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
3186 | |
3607 | |
3187 | void |
3608 | void |
|
|
3609 | cancel (...) |
|
|
3610 | CODE: |
|
|
3611 | CORO_EXECUTE_SLF_XS (slf_init_cancel); |
|
|
3612 | |
|
|
3613 | void |
3188 | schedule (...) |
3614 | schedule (...) |
3189 | CODE: |
3615 | CODE: |
3190 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
3616 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
3191 | |
3617 | |
3192 | void |
3618 | void |
… | |
… | |
3206 | |
3632 | |
3207 | void |
3633 | void |
3208 | cede_notself (...) |
3634 | cede_notself (...) |
3209 | CODE: |
3635 | CODE: |
3210 | CORO_EXECUTE_SLF_XS (slf_init_cede_notself); |
3636 | CORO_EXECUTE_SLF_XS (slf_init_cede_notself); |
3211 | |
|
|
3212 | void |
|
|
3213 | _cancel (Coro::State self) |
|
|
3214 | CODE: |
|
|
3215 | coro_state_destroy (aTHX_ self); |
|
|
3216 | coro_call_on_destroy (aTHX_ self); |
|
|
3217 | |
3637 | |
3218 | void |
3638 | void |
3219 | _set_current (SV *current) |
3639 | _set_current (SV *current) |
3220 | PROTOTYPE: $ |
3640 | PROTOTYPE: $ |
3221 | CODE: |
3641 | CODE: |
… | |
… | |
3225 | void |
3645 | void |
3226 | _set_readyhook (SV *hook) |
3646 | _set_readyhook (SV *hook) |
3227 | PROTOTYPE: $ |
3647 | PROTOTYPE: $ |
3228 | CODE: |
3648 | CODE: |
3229 | SvREFCNT_dec (coro_readyhook); |
3649 | SvREFCNT_dec (coro_readyhook); |
|
|
3650 | SvGETMAGIC (hook); |
|
|
3651 | if (SvOK (hook)) |
|
|
3652 | { |
3230 | coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0; |
3653 | coro_readyhook = newSVsv (hook); |
|
|
3654 | CORO_READYHOOK = invoke_sv_ready_hook_helper; |
|
|
3655 | } |
|
|
3656 | else |
|
|
3657 | { |
|
|
3658 | coro_readyhook = 0; |
|
|
3659 | CORO_READYHOOK = 0; |
|
|
3660 | } |
3231 | |
3661 | |
3232 | int |
3662 | int |
3233 | prio (Coro::State coro, int newprio = 0) |
3663 | prio (Coro::State coro, int newprio = 0) |
3234 | PROTOTYPE: $;$ |
3664 | PROTOTYPE: $;$ |
3235 | ALIAS: |
3665 | ALIAS: |
… | |
… | |
3241 | if (items > 1) |
3671 | if (items > 1) |
3242 | { |
3672 | { |
3243 | if (ix) |
3673 | if (ix) |
3244 | newprio = coro->prio - newprio; |
3674 | newprio = coro->prio - newprio; |
3245 | |
3675 | |
3246 | if (newprio < PRIO_MIN) newprio = PRIO_MIN; |
3676 | if (newprio < CORO_PRIO_MIN) newprio = CORO_PRIO_MIN; |
3247 | if (newprio > PRIO_MAX) newprio = PRIO_MAX; |
3677 | if (newprio > CORO_PRIO_MAX) newprio = CORO_PRIO_MAX; |
3248 | |
3678 | |
3249 | coro->prio = newprio; |
3679 | coro->prio = newprio; |
3250 | } |
3680 | } |
3251 | } |
3681 | } |
3252 | OUTPUT: |
3682 | OUTPUT: |
… | |
… | |
3267 | RETVAL = coro_nready; |
3697 | RETVAL = coro_nready; |
3268 | OUTPUT: |
3698 | OUTPUT: |
3269 | RETVAL |
3699 | RETVAL |
3270 | |
3700 | |
3271 | void |
3701 | void |
|
|
3702 | suspend (Coro::State self) |
|
|
3703 | PROTOTYPE: $ |
|
|
3704 | CODE: |
|
|
3705 | self->flags |= CF_SUSPENDED; |
|
|
3706 | |
|
|
3707 | void |
|
|
3708 | resume (Coro::State self) |
|
|
3709 | PROTOTYPE: $ |
|
|
3710 | CODE: |
|
|
3711 | self->flags &= ~CF_SUSPENDED; |
|
|
3712 | |
|
|
3713 | void |
3272 | _pool_handler (...) |
3714 | _pool_handler (...) |
3273 | CODE: |
3715 | CODE: |
3274 | CORO_EXECUTE_SLF_XS (slf_init_pool_handler); |
3716 | CORO_EXECUTE_SLF_XS (slf_init_pool_handler); |
3275 | |
3717 | |
3276 | void |
3718 | void |
… | |
… | |
3287 | for (i = 1; i < items; ++i) |
3729 | for (i = 1; i < items; ++i) |
3288 | av_push (av, SvREFCNT_inc_NN (ST (i))); |
3730 | av_push (av, SvREFCNT_inc_NN (ST (i))); |
3289 | |
3731 | |
3290 | if ((SV *)hv == &PL_sv_undef) |
3732 | if ((SV *)hv == &PL_sv_undef) |
3291 | { |
3733 | { |
3292 | PUSHMARK (SP); |
3734 | SV *sv = coro_new (aTHX_ coro_stash, (SV **)&cv_pool_handler, 1, 1); |
3293 | EXTEND (SP, 2); |
|
|
3294 | PUSHs (sv_Coro); |
|
|
3295 | PUSHs ((SV *)cv_pool_handler); |
|
|
3296 | PUTBACK; |
|
|
3297 | call_sv ((SV *)cv_coro_state_new, G_SCALAR); |
|
|
3298 | SPAGAIN; |
|
|
3299 | |
|
|
3300 | hv = (HV *)SvREFCNT_inc_NN (SvRV (POPs)); |
3735 | hv = (HV *)SvREFCNT_inc_NN (SvRV (sv)); |
|
|
3736 | SvREFCNT_dec (sv); |
3301 | } |
3737 | } |
3302 | |
3738 | |
3303 | { |
3739 | { |
3304 | struct coro *coro = SvSTATE_hv (hv); |
3740 | struct coro *coro = SvSTATE_hv (hv); |
3305 | |
3741 | |
… | |
… | |
3329 | rouse_wait (...) |
3765 | rouse_wait (...) |
3330 | PROTOTYPE: ;$ |
3766 | PROTOTYPE: ;$ |
3331 | PPCODE: |
3767 | PPCODE: |
3332 | CORO_EXECUTE_SLF_XS (slf_init_rouse_wait); |
3768 | CORO_EXECUTE_SLF_XS (slf_init_rouse_wait); |
3333 | |
3769 | |
|
|
3770 | void |
|
|
3771 | on_enter (SV *block) |
|
|
3772 | ALIAS: |
|
|
3773 | on_leave = 1 |
|
|
3774 | PROTOTYPE: & |
|
|
3775 | CODE: |
|
|
3776 | { |
|
|
3777 | struct coro *coro = SvSTATE_current; |
|
|
3778 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
|
|
3779 | |
|
|
3780 | block = s_get_cv_croak (block); |
|
|
3781 | |
|
|
3782 | if (!*avp) |
|
|
3783 | *avp = newAV (); |
|
|
3784 | |
|
|
3785 | av_push (*avp, SvREFCNT_inc (block)); |
|
|
3786 | |
|
|
3787 | if (!ix) |
|
|
3788 | on_enterleave_call (aTHX_ block); |
|
|
3789 | |
|
|
3790 | LEAVE; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */ |
|
|
3791 | SAVEDESTRUCTOR_X (ix ? coro_pop_on_leave : coro_pop_on_enter, (void *)coro); |
|
|
3792 | ENTER; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */ |
|
|
3793 | } |
|
|
3794 | |
3334 | |
3795 | |
3335 | MODULE = Coro::State PACKAGE = PerlIO::cede |
3796 | MODULE = Coro::State PACKAGE = PerlIO::cede |
3336 | |
3797 | |
3337 | BOOT: |
3798 | BOOT: |
3338 | PerlIO_define_layer (aTHX_ &PerlIO_cede); |
3799 | PerlIO_define_layer (aTHX_ &PerlIO_cede); |
… | |
… | |
3341 | MODULE = Coro::State PACKAGE = Coro::Semaphore |
3802 | MODULE = Coro::State PACKAGE = Coro::Semaphore |
3342 | |
3803 | |
3343 | SV * |
3804 | SV * |
3344 | new (SV *klass, SV *count = 0) |
3805 | new (SV *klass, SV *count = 0) |
3345 | CODE: |
3806 | CODE: |
|
|
3807 | { |
|
|
3808 | int semcnt = 1; |
|
|
3809 | |
|
|
3810 | if (count) |
|
|
3811 | { |
|
|
3812 | SvGETMAGIC (count); |
|
|
3813 | |
|
|
3814 | if (SvOK (count)) |
|
|
3815 | semcnt = SvIV (count); |
|
|
3816 | } |
|
|
3817 | |
3346 | RETVAL = sv_bless ( |
3818 | RETVAL = sv_bless ( |
3347 | coro_waitarray_new (aTHX_ count && SvOK (count) ? SvIV (count) : 1), |
3819 | coro_waitarray_new (aTHX_ semcnt), |
3348 | GvSTASH (CvGV (cv)) |
3820 | GvSTASH (CvGV (cv)) |
3349 | ); |
3821 | ); |
|
|
3822 | } |
3350 | OUTPUT: |
3823 | OUTPUT: |
3351 | RETVAL |
3824 | RETVAL |
3352 | |
3825 | |
3353 | # helper for Coro::Channel |
3826 | # helper for Coro::Channel and others |
3354 | SV * |
3827 | SV * |
3355 | _alloc (int count) |
3828 | _alloc (int count) |
3356 | CODE: |
3829 | CODE: |
3357 | RETVAL = coro_waitarray_new (aTHX_ count); |
3830 | RETVAL = coro_waitarray_new (aTHX_ count); |
3358 | OUTPUT: |
3831 | OUTPUT: |
… | |
… | |
3416 | for (i = 1; i <= wcount; ++i) |
3889 | for (i = 1; i <= wcount; ++i) |
3417 | PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i]))); |
3890 | PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i]))); |
3418 | } |
3891 | } |
3419 | } |
3892 | } |
3420 | |
3893 | |
|
|
3894 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
|
|
3895 | |
|
|
3896 | void |
|
|
3897 | _may_delete (SV *sem, int count, int extra_refs) |
|
|
3898 | PPCODE: |
|
|
3899 | { |
|
|
3900 | AV *av = (AV *)SvRV (sem); |
|
|
3901 | |
|
|
3902 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
|
|
3903 | && AvFILLp (av) == 0 /* no waiters, just count */ |
|
|
3904 | && SvIV (AvARRAY (av)[0]) == count) |
|
|
3905 | XSRETURN_YES; |
|
|
3906 | |
|
|
3907 | XSRETURN_NO; |
|
|
3908 | } |
|
|
3909 | |
3421 | MODULE = Coro::State PACKAGE = Coro::Signal |
3910 | MODULE = Coro::State PACKAGE = Coro::Signal |
3422 | |
3911 | |
3423 | SV * |
3912 | SV * |
3424 | new (SV *klass) |
3913 | new (SV *klass) |
3425 | CODE: |
3914 | CODE: |
… | |
… | |
3496 | |
3985 | |
3497 | void |
3986 | void |
3498 | _register (char *target, char *proto, SV *req) |
3987 | _register (char *target, char *proto, SV *req) |
3499 | CODE: |
3988 | CODE: |
3500 | { |
3989 | { |
3501 | CV *req_cv = coro_sv_2cv (aTHX_ req); |
3990 | SV *req_cv = s_get_cv_croak (req); |
3502 | /* newXSproto doesn't return the CV on 5.8 */ |
3991 | /* newXSproto doesn't return the CV on 5.8 */ |
3503 | CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__); |
3992 | CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__); |
3504 | sv_setpv ((SV *)slf_cv, proto); |
3993 | sv_setpv ((SV *)slf_cv, proto); |
3505 | sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0); |
3994 | sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0); |
3506 | } |
3995 | } |
3507 | |
3996 | |
|
|
3997 | MODULE = Coro::State PACKAGE = Coro::Select |
|
|
3998 | |
|
|
3999 | void |
|
|
4000 | patch_pp_sselect () |
|
|
4001 | CODE: |
|
|
4002 | if (!coro_old_pp_sselect) |
|
|
4003 | { |
|
|
4004 | coro_select_select = (SV *)get_cv ("Coro::Select::select", 0); |
|
|
4005 | coro_old_pp_sselect = PL_ppaddr [OP_SSELECT]; |
|
|
4006 | PL_ppaddr [OP_SSELECT] = coro_pp_sselect; |
|
|
4007 | } |
|
|
4008 | |
|
|
4009 | void |
|
|
4010 | unpatch_pp_sselect () |
|
|
4011 | CODE: |
|
|
4012 | if (coro_old_pp_sselect) |
|
|
4013 | { |
|
|
4014 | PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; |
|
|
4015 | coro_old_pp_sselect = 0; |
|
|
4016 | } |
|
|
4017 | |