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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" |
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17 | #include "ecb.h" |
12 | |
18 | |
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19 | #include <stddef.h> |
13 | #include <stdio.h> |
20 | #include <stdio.h> |
14 | #include <errno.h> |
21 | #include <errno.h> |
15 | #include <assert.h> |
22 | #include <assert.h> |
16 | |
23 | |
17 | #ifdef WIN32 |
24 | #ifndef SVs_PADSTALE |
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25 | # define SVs_PADSTALE 0 |
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26 | #endif |
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27 | |
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28 | #if defined(_WIN32) |
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29 | # undef HAS_GETTIMEOFDAY |
18 | # undef setjmp |
30 | # undef setjmp |
19 | # undef longjmp |
31 | # undef longjmp |
20 | # undef _exit |
32 | # undef _exit |
21 | # define setjmp _setjmp /* deep magic */ |
33 | # define setjmp _setjmp /* deep magic */ |
22 | #else |
34 | #else |
… | |
… | |
51 | #endif |
63 | #endif |
52 | |
64 | |
53 | /* the maximum number of idle cctx that will be pooled */ |
65 | /* the maximum number of idle cctx that will be pooled */ |
54 | static int cctx_max_idle = 4; |
66 | static int cctx_max_idle = 4; |
55 | |
67 | |
56 | #define PERL_VERSION_ATLEAST(a,b,c) \ |
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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 |
68 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
116 | # undef CORO_STACKGUARD |
69 | # undef CORO_STACKGUARD |
117 | #endif |
70 | #endif |
118 | |
71 | |
119 | #ifndef CORO_STACKGUARD |
72 | #ifndef CORO_STACKGUARD |
… | |
… | |
135 | # define STACKLEVEL ((void *)&stacklevel) |
88 | # define STACKLEVEL ((void *)&stacklevel) |
136 | #endif |
89 | #endif |
137 | |
90 | |
138 | #define IN_DESTRUCT PL_dirty |
91 | #define IN_DESTRUCT PL_dirty |
139 | |
92 | |
140 | #if __GNUC__ >= 3 |
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141 | # define attribute(x) __attribute__(x) |
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142 | # define expect(expr,value) __builtin_expect ((expr), (value)) |
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143 | # define INLINE static inline |
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144 | #else |
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145 | # define attribute(x) |
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146 | # define expect(expr,value) (expr) |
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147 | # define INLINE static |
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148 | #endif |
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149 | |
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150 | #define expect_false(expr) expect ((expr) != 0, 0) |
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151 | #define expect_true(expr) expect ((expr) != 0, 1) |
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152 | |
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153 | #define NOINLINE attribute ((noinline)) |
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154 | |
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155 | #include "CoroAPI.h" |
93 | #include "CoroAPI.h" |
156 | #define GCoroAPI (&coroapi) /* very sneaky */ |
94 | #define GCoroAPI (&coroapi) /* very sneaky */ |
157 | |
95 | |
158 | #ifdef USE_ITHREADS |
96 | #ifdef USE_ITHREADS |
159 | # if CORO_PTHREAD |
97 | # if CORO_PTHREAD |
160 | static void *coro_thx; |
98 | static void *coro_thx; |
161 | # endif |
99 | # endif |
162 | #endif |
100 | #endif |
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101 | |
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102 | /* used in state.h */ |
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103 | #define VAR(name,type) VARx(name, PL_ ## name, type) |
163 | |
104 | |
164 | #ifdef __linux |
105 | #ifdef __linux |
165 | # include <time.h> /* for timespec */ |
106 | # include <time.h> /* for timespec */ |
166 | # include <syscall.h> /* for SYS_* */ |
107 | # include <syscall.h> /* for SYS_* */ |
167 | # ifdef SYS_clock_gettime |
108 | # ifdef SYS_clock_gettime |
… | |
… | |
175 | static void (*u2time)(pTHX_ UV ret[2]); |
116 | static void (*u2time)(pTHX_ UV ret[2]); |
176 | |
117 | |
177 | /* we hijack an hopefully unused CV flag for our purposes */ |
118 | /* we hijack an hopefully unused CV flag for our purposes */ |
178 | #define CVf_SLF 0x4000 |
119 | #define CVf_SLF 0x4000 |
179 | static OP *pp_slf (pTHX); |
120 | static OP *pp_slf (pTHX); |
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121 | static void slf_destroy (pTHX_ struct coro *coro); |
180 | |
122 | |
181 | static U32 cctx_gen; |
123 | static U32 cctx_gen; |
182 | static size_t cctx_stacksize = CORO_STACKSIZE; |
124 | static size_t cctx_stacksize = CORO_STACKSIZE; |
183 | static struct CoroAPI coroapi; |
125 | static struct CoroAPI coroapi; |
184 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
126 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
… | |
… | |
201 | static SV *sv_pool_size; |
143 | static SV *sv_pool_size; |
202 | static SV *sv_async_pool_idle; /* description string */ |
144 | static SV *sv_async_pool_idle; /* description string */ |
203 | static AV *av_async_pool; /* idle pool */ |
145 | static AV *av_async_pool; /* idle pool */ |
204 | static SV *sv_Coro; /* class string */ |
146 | static SV *sv_Coro; /* class string */ |
205 | static CV *cv_pool_handler; |
147 | static CV *cv_pool_handler; |
206 | static CV *cv_coro_state_new; |
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207 | |
148 | |
208 | /* Coro::AnyEvent */ |
149 | /* Coro::AnyEvent */ |
209 | static SV *sv_activity; |
150 | static SV *sv_activity; |
210 | |
151 | |
211 | /* enable processtime/realtime profiling */ |
152 | /* enable processtime/realtime profiling */ |
… | |
… | |
215 | static char times_valid; |
156 | static char times_valid; |
216 | |
157 | |
217 | static struct coro_cctx *cctx_first; |
158 | static struct coro_cctx *cctx_first; |
218 | static int cctx_count, cctx_idle; |
159 | static int cctx_count, cctx_idle; |
219 | |
160 | |
220 | enum { |
161 | enum |
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162 | { |
221 | CC_MAPPED = 0x01, |
163 | CC_MAPPED = 0x01, |
222 | CC_NOREUSE = 0x02, /* throw this away after tracing */ |
164 | CC_NOREUSE = 0x02, /* throw this away after tracing */ |
223 | CC_TRACE = 0x04, |
165 | CC_TRACE = 0x04, |
224 | CC_TRACE_SUB = 0x08, /* trace sub calls */ |
166 | CC_TRACE_SUB = 0x08, /* trace sub calls */ |
225 | CC_TRACE_LINE = 0x10, /* trace each statement */ |
167 | CC_TRACE_LINE = 0x10, /* trace each statement */ |
… | |
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246 | int valgrind_id; |
188 | int valgrind_id; |
247 | #endif |
189 | #endif |
248 | unsigned char flags; |
190 | unsigned char flags; |
249 | } coro_cctx; |
191 | } coro_cctx; |
250 | |
192 | |
251 | coro_cctx *cctx_current; /* the currently running cctx */ |
193 | static coro_cctx *cctx_current; /* the currently running cctx */ |
252 | |
194 | |
253 | /*****************************************************************************/ |
195 | /*****************************************************************************/ |
254 | |
196 | |
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197 | static MGVTBL coro_state_vtbl; |
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198 | |
255 | enum { |
199 | enum |
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200 | { |
256 | CF_RUNNING = 0x0001, /* coroutine is running */ |
201 | CF_RUNNING = 0x0001, /* coroutine is running */ |
257 | CF_READY = 0x0002, /* coroutine is ready */ |
202 | CF_READY = 0x0002, /* coroutine is ready */ |
258 | CF_NEW = 0x0004, /* has never been switched to */ |
203 | CF_NEW = 0x0004, /* has never been switched to */ |
259 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
204 | CF_ZOMBIE = 0x0008, /* coroutine data has been freed */ |
260 | CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */ |
205 | CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */ |
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206 | CF_NOCANCEL = 0x0020, /* cannot cancel, set slf_frame.data to 1 (hackish) */ |
261 | }; |
207 | }; |
262 | |
208 | |
263 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
209 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
264 | typedef struct |
210 | typedef struct |
265 | { |
211 | { |
266 | SV *defsv; |
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267 | AV *defav; |
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268 | SV *errsv; |
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269 | SV *irsgv; |
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270 | HV *hinthv; |
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271 | #define VAR(name,type) type name; |
212 | #define VARx(name,expr,type) type name; |
272 | # include "state.h" |
213 | # include "state.h" |
273 | #undef VAR |
214 | #undef VARx |
274 | } perl_slots; |
215 | } perl_slots; |
275 | |
216 | |
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217 | // how many context stack entries do we need for perl_slots |
276 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
218 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
277 | |
219 | |
278 | /* this is a structure representing a perl-level coroutine */ |
220 | /* this is a structure representing a perl-level coroutine */ |
279 | struct coro { |
221 | struct coro |
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222 | { |
280 | /* the C coroutine allocated to this perl coroutine, if any */ |
223 | /* the C coroutine allocated to this perl coroutine, if any */ |
281 | coro_cctx *cctx; |
224 | coro_cctx *cctx; |
282 | |
225 | |
283 | /* ready queue */ |
226 | /* ready queue */ |
284 | struct coro *next_ready; |
227 | struct coro *next_ready; |
… | |
… | |
286 | /* state data */ |
229 | /* state data */ |
287 | struct CoroSLF slf_frame; /* saved slf frame */ |
230 | struct CoroSLF slf_frame; /* saved slf frame */ |
288 | AV *mainstack; |
231 | AV *mainstack; |
289 | perl_slots *slot; /* basically the saved sp */ |
232 | perl_slots *slot; /* basically the saved sp */ |
290 | |
233 | |
291 | CV *startcv; /* the CV to execute */ |
234 | CV *startcv; /* the CV to execute */ |
292 | AV *args; /* data associated with this coroutine (initial args) */ |
235 | AV *args; /* data associated with this coroutine (initial args) */ |
293 | int refcnt; /* coroutines are refcounted, yes */ |
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294 | int flags; /* CF_ flags */ |
236 | int flags; /* CF_ flags */ |
295 | HV *hv; /* the perl hash associated with this coro, if any */ |
237 | HV *hv; /* the perl hash associated with this coro, if any */ |
296 | void (*on_destroy)(pTHX_ struct coro *coro); |
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297 | |
238 | |
298 | /* statistics */ |
239 | /* statistics */ |
299 | int usecount; /* number of transfers to this coro */ |
240 | int usecount; /* number of transfers to this coro */ |
300 | |
241 | |
301 | /* coro process data */ |
242 | /* coro process data */ |
302 | int prio; |
243 | int prio; |
303 | SV *except; /* exception to be thrown */ |
244 | SV *except; /* exception to be thrown */ |
304 | SV *rouse_cb; |
245 | SV *rouse_cb; /* last rouse callback */ |
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246 | AV *on_destroy; /* callbacks or coros to notify on destroy */ |
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247 | AV *status; /* the exit status list */ |
305 | |
248 | |
306 | /* async_pool */ |
249 | /* async_pool */ |
307 | SV *saved_deffh; |
250 | SV *saved_deffh; |
308 | SV *invoke_cb; |
251 | SV *invoke_cb; |
309 | AV *invoke_av; |
252 | AV *invoke_av; |
310 | |
253 | |
311 | /* on_enter/on_leave */ |
254 | /* on_enter/on_leave */ |
312 | AV *on_enter; |
255 | AV *on_enter; |
313 | AV *on_leave; |
256 | AV *on_leave; |
314 | |
257 | |
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258 | /* swap_sv */ |
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259 | AV *swap_sv; |
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260 | |
315 | /* times */ |
261 | /* times */ |
316 | coro_ts t_cpu, t_real; |
262 | coro_ts t_cpu, t_real; |
317 | |
263 | |
318 | /* linked list */ |
264 | /* linked list */ |
319 | struct coro *next, *prev; |
265 | struct coro *next, *prev; |
… | |
… | |
322 | typedef struct coro *Coro__State; |
268 | typedef struct coro *Coro__State; |
323 | typedef struct coro *Coro__State_or_hashref; |
269 | typedef struct coro *Coro__State_or_hashref; |
324 | |
270 | |
325 | /* the following variables are effectively part of the perl context */ |
271 | /* the following variables are effectively part of the perl context */ |
326 | /* and get copied between struct coro and these variables */ |
272 | /* and get copied between struct coro and these variables */ |
327 | /* the mainr easonw e don't support windows process emulation */ |
273 | /* the main reason we don't support windows process emulation */ |
328 | static struct CoroSLF slf_frame; /* the current slf frame */ |
274 | static struct CoroSLF slf_frame; /* the current slf frame */ |
329 | |
275 | |
330 | /** Coro ********************************************************************/ |
276 | /** Coro ********************************************************************/ |
331 | |
277 | |
332 | #define CORO_PRIO_MAX 3 |
278 | #define CORO_PRIO_MAX 3 |
… | |
… | |
338 | |
284 | |
339 | /* for Coro.pm */ |
285 | /* for Coro.pm */ |
340 | static SV *coro_current; |
286 | static SV *coro_current; |
341 | static SV *coro_readyhook; |
287 | static SV *coro_readyhook; |
342 | static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ |
288 | static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ |
343 | static CV *cv_coro_run, *cv_coro_terminate; |
289 | static CV *cv_coro_run; |
344 | static struct coro *coro_first; |
290 | static struct coro *coro_first; |
345 | #define coro_nready coroapi.nready |
291 | #define coro_nready coroapi.nready |
346 | |
292 | |
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293 | /** JIT *********************************************************************/ |
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294 | |
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295 | #if CORO_JIT |
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296 | #ifndef CORO_JIT_TYPE |
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297 | #if __x86_64 && (__linux || __FreeBSD__ || __OpenBSD__ || __NetBSD__ || __solaris) |
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298 | #define CORO_JIT_TYPE "amd64-unix" |
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299 | typedef void (*load_save_perl_slots_type)(perl_slots *); |
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300 | #elif __i386 && (__linux || __FreeBSD__ || __OpenBSD__ || __NetBSD__ || __solaris) |
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301 | #define CORO_JIT_TYPE "x86-unix" |
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302 | typedef void (*load_save_perl_slots_type)(perl_slots *); |
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303 | #else |
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304 | x x x x |
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305 | #undef CORO_JIT |
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306 | #endif |
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307 | #endif |
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308 | #endif |
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309 | |
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310 | #if CORO_JIT |
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311 | static load_save_perl_slots_type load_perl_slots, save_perl_slots; |
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312 | #endif |
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313 | |
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314 | /** Coro::Select ************************************************************/ |
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315 | |
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316 | static OP *(*coro_old_pp_sselect) (pTHX); |
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317 | static SV *coro_select_select; |
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318 | |
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319 | /* horrible hack, but if it works... */ |
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320 | static OP * |
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321 | coro_pp_sselect (pTHX) |
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322 | { |
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323 | dSP; |
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324 | PUSHMARK (SP - 4); /* fake argument list */ |
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325 | XPUSHs (coro_select_select); |
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326 | PUTBACK; |
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327 | |
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328 | /* entersub is an UNOP, select a LISTOP... keep your fingers crossed */ |
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329 | PL_op->op_flags |= OPf_STACKED; |
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330 | PL_op->op_private = 0; |
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331 | return PL_ppaddr [OP_ENTERSUB](aTHX); |
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332 | } |
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333 | |
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334 | /** time stuff **************************************************************/ |
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335 | |
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336 | #ifdef HAS_GETTIMEOFDAY |
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337 | |
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338 | ECB_INLINE void |
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339 | coro_u2time (pTHX_ UV ret[2]) |
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340 | { |
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341 | struct timeval tv; |
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342 | gettimeofday (&tv, 0); |
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343 | |
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344 | ret [0] = tv.tv_sec; |
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345 | ret [1] = tv.tv_usec; |
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346 | } |
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347 | |
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348 | ECB_INLINE double |
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349 | coro_nvtime () |
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350 | { |
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351 | struct timeval tv; |
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352 | gettimeofday (&tv, 0); |
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353 | |
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354 | return tv.tv_sec + tv.tv_usec * 1e-6; |
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355 | } |
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356 | |
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357 | ECB_INLINE void |
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358 | time_init (pTHX) |
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359 | { |
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360 | nvtime = coro_nvtime; |
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361 | u2time = coro_u2time; |
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362 | } |
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363 | |
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364 | #else |
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365 | |
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366 | ECB_INLINE void |
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367 | time_init (pTHX) |
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368 | { |
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369 | SV **svp; |
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370 | |
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371 | require_pv ("Time/HiRes.pm"); |
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372 | |
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373 | svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
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374 | |
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375 | if (!svp) croak ("Time::HiRes is required, but missing. Caught"); |
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376 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer. Caught"); |
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377 | |
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378 | nvtime = INT2PTR (double (*)(), SvIV (*svp)); |
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379 | |
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380 | svp = hv_fetch (PL_modglobal, "Time::U2time", 12, 0); |
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381 | u2time = INT2PTR (void (*)(pTHX_ UV ret[2]), SvIV (*svp)); |
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382 | } |
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383 | |
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384 | #endif |
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385 | |
347 | /** lowlevel stuff **********************************************************/ |
386 | /** lowlevel stuff **********************************************************/ |
348 | |
387 | |
349 | static SV * |
388 | static SV * ecb_noinline |
350 | coro_get_sv (pTHX_ const char *name, int create) |
389 | coro_get_sv (pTHX_ const char *name, int create) |
351 | { |
390 | { |
352 | #if PERL_VERSION_ATLEAST (5,10,0) |
391 | #if PERL_VERSION_ATLEAST (5,10,0) |
353 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
392 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
354 | get_sv (name, create); |
393 | get_sv (name, create); |
355 | #endif |
394 | #endif |
356 | return get_sv (name, create); |
395 | return get_sv (name, create); |
357 | } |
396 | } |
358 | |
397 | |
359 | static AV * |
398 | static AV * ecb_noinline |
360 | coro_get_av (pTHX_ const char *name, int create) |
399 | coro_get_av (pTHX_ const char *name, int create) |
361 | { |
400 | { |
362 | #if PERL_VERSION_ATLEAST (5,10,0) |
401 | #if PERL_VERSION_ATLEAST (5,10,0) |
363 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
402 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
364 | get_av (name, create); |
403 | get_av (name, create); |
365 | #endif |
404 | #endif |
366 | return get_av (name, create); |
405 | return get_av (name, create); |
367 | } |
406 | } |
368 | |
407 | |
369 | static HV * |
408 | static HV * ecb_noinline |
370 | coro_get_hv (pTHX_ const char *name, int create) |
409 | coro_get_hv (pTHX_ const char *name, int create) |
371 | { |
410 | { |
372 | #if PERL_VERSION_ATLEAST (5,10,0) |
411 | #if PERL_VERSION_ATLEAST (5,10,0) |
373 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
412 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
374 | get_hv (name, create); |
413 | get_hv (name, create); |
375 | #endif |
414 | #endif |
376 | return get_hv (name, create); |
415 | return get_hv (name, create); |
377 | } |
416 | } |
378 | |
417 | |
379 | /* may croak */ |
|
|
380 | INLINE CV * |
|
|
381 | coro_sv_2cv (pTHX_ SV *sv) |
|
|
382 | { |
|
|
383 | HV *st; |
|
|
384 | GV *gvp; |
|
|
385 | CV *cv = sv_2cv (sv, &st, &gvp, 0); |
|
|
386 | |
|
|
387 | if (!cv) |
|
|
388 | croak ("code reference expected"); |
|
|
389 | |
|
|
390 | return cv; |
|
|
391 | } |
|
|
392 | |
|
|
393 | INLINE void |
418 | ECB_INLINE void |
394 | coro_times_update () |
419 | coro_times_update () |
395 | { |
420 | { |
396 | #ifdef coro_clock_gettime |
421 | #ifdef coro_clock_gettime |
397 | struct timespec ts; |
422 | struct timespec ts; |
398 | |
423 | |
… | |
… | |
402 | |
427 | |
403 | ts.tv_sec = ts.tv_nsec = 0; |
428 | ts.tv_sec = ts.tv_nsec = 0; |
404 | coro_clock_gettime (CORO_CLOCK_MONOTONIC, &ts); |
429 | coro_clock_gettime (CORO_CLOCK_MONOTONIC, &ts); |
405 | time_real [0] = ts.tv_sec; time_real [1] = ts.tv_nsec; |
430 | time_real [0] = ts.tv_sec; time_real [1] = ts.tv_nsec; |
406 | #else |
431 | #else |
|
|
432 | dTHX; |
407 | UV tv[2]; |
433 | UV tv[2]; |
408 | |
434 | |
409 | u2time (aTHX_ &tv); |
435 | u2time (aTHX_ tv); |
410 | time_real [0] = tv [0]; |
436 | time_real [0] = tv [0]; |
411 | time_real [1] = tv [1] * 1000; |
437 | time_real [1] = tv [1] * 1000; |
412 | #endif |
438 | #endif |
413 | } |
439 | } |
414 | |
440 | |
415 | INLINE void |
441 | ECB_INLINE void |
416 | coro_times_add (struct coro *c) |
442 | coro_times_add (struct coro *c) |
417 | { |
443 | { |
418 | c->t_real [1] += time_real [1]; |
444 | c->t_real [1] += time_real [1]; |
419 | if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } |
445 | if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } |
420 | c->t_real [0] += time_real [0]; |
446 | c->t_real [0] += time_real [0]; |
… | |
… | |
422 | c->t_cpu [1] += time_cpu [1]; |
448 | c->t_cpu [1] += time_cpu [1]; |
423 | if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } |
449 | if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } |
424 | c->t_cpu [0] += time_cpu [0]; |
450 | c->t_cpu [0] += time_cpu [0]; |
425 | } |
451 | } |
426 | |
452 | |
427 | INLINE void |
453 | ECB_INLINE void |
428 | coro_times_sub (struct coro *c) |
454 | coro_times_sub (struct coro *c) |
429 | { |
455 | { |
430 | if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } |
456 | if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } |
431 | c->t_real [1] -= time_real [1]; |
457 | c->t_real [1] -= time_real [1]; |
432 | c->t_real [0] -= time_real [0]; |
458 | c->t_real [0] -= time_real [0]; |
… | |
… | |
440 | /* magic glue */ |
466 | /* magic glue */ |
441 | |
467 | |
442 | #define CORO_MAGIC_type_cv 26 |
468 | #define CORO_MAGIC_type_cv 26 |
443 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
469 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
444 | |
470 | |
445 | #define CORO_MAGIC_NN(sv, type) \ |
471 | #define CORO_MAGIC_NN(sv, type) \ |
446 | (expect_true (SvMAGIC (sv)->mg_type == type) \ |
472 | (ecb_expect_true (SvMAGIC (sv)->mg_type == type) \ |
447 | ? SvMAGIC (sv) \ |
473 | ? SvMAGIC (sv) \ |
448 | : mg_find (sv, type)) |
474 | : mg_find (sv, type)) |
449 | |
475 | |
450 | #define CORO_MAGIC(sv, type) \ |
476 | #define CORO_MAGIC(sv, type) \ |
451 | (expect_true (SvMAGIC (sv)) \ |
477 | (ecb_expect_true (SvMAGIC (sv)) \ |
452 | ? CORO_MAGIC_NN (sv, type) \ |
478 | ? CORO_MAGIC_NN (sv, type) \ |
453 | : 0) |
479 | : 0) |
454 | |
480 | |
455 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
481 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
456 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
482 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
457 | |
483 | |
|
|
484 | ECB_INLINE MAGIC * |
|
|
485 | SvSTATEhv_p (pTHX_ SV *coro) |
|
|
486 | { |
|
|
487 | MAGIC *mg; |
|
|
488 | |
|
|
489 | if (ecb_expect_true ( |
|
|
490 | SvTYPE (coro) == SVt_PVHV |
|
|
491 | && (mg = CORO_MAGIC_state (coro)) |
|
|
492 | && mg->mg_virtual == &coro_state_vtbl |
|
|
493 | )) |
|
|
494 | return mg; |
|
|
495 | |
|
|
496 | return 0; |
|
|
497 | } |
|
|
498 | |
458 | INLINE struct coro * |
499 | ECB_INLINE struct coro * |
459 | SvSTATE_ (pTHX_ SV *coro) |
500 | SvSTATE_ (pTHX_ SV *coro) |
460 | { |
501 | { |
461 | HV *stash; |
|
|
462 | MAGIC *mg; |
502 | MAGIC *mg; |
463 | |
503 | |
464 | if (SvROK (coro)) |
504 | if (SvROK (coro)) |
465 | coro = SvRV (coro); |
505 | coro = SvRV (coro); |
466 | |
506 | |
467 | if (expect_false (SvTYPE (coro) != SVt_PVHV)) |
507 | mg = SvSTATEhv_p (aTHX_ coro); |
|
|
508 | if (!mg) |
468 | croak ("Coro::State object required"); |
509 | croak ("Coro::State object required"); |
469 | |
510 | |
470 | stash = SvSTASH (coro); |
|
|
471 | if (expect_false (stash != coro_stash && stash != coro_state_stash)) |
|
|
472 | { |
|
|
473 | /* very slow, but rare, check */ |
|
|
474 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
|
|
475 | croak ("Coro::State object required"); |
|
|
476 | } |
|
|
477 | |
|
|
478 | mg = CORO_MAGIC_state (coro); |
|
|
479 | return (struct coro *)mg->mg_ptr; |
511 | return (struct coro *)mg->mg_ptr; |
480 | } |
512 | } |
481 | |
513 | |
482 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
514 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
483 | |
515 | |
… | |
… | |
486 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
518 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
487 | |
519 | |
488 | /*****************************************************************************/ |
520 | /*****************************************************************************/ |
489 | /* padlist management and caching */ |
521 | /* padlist management and caching */ |
490 | |
522 | |
491 | static AV * |
523 | ECB_INLINE AV * |
492 | coro_derive_padlist (pTHX_ CV *cv) |
524 | coro_derive_padlist (pTHX_ CV *cv) |
493 | { |
525 | { |
494 | AV *padlist = CvPADLIST (cv); |
526 | AV *padlist = CvPADLIST (cv); |
495 | AV *newpadlist, *newpad; |
527 | AV *newpadlist, *newpad; |
496 | |
528 | |
… | |
… | |
508 | av_store (newpadlist, 1, (SV *)newpad); |
540 | av_store (newpadlist, 1, (SV *)newpad); |
509 | |
541 | |
510 | return newpadlist; |
542 | return newpadlist; |
511 | } |
543 | } |
512 | |
544 | |
513 | static void |
545 | ECB_INLINE void |
514 | free_padlist (pTHX_ AV *padlist) |
546 | free_padlist (pTHX_ AV *padlist) |
515 | { |
547 | { |
516 | /* may be during global destruction */ |
548 | /* may be during global destruction */ |
517 | if (!IN_DESTRUCT) |
549 | if (!IN_DESTRUCT) |
518 | { |
550 | { |
… | |
… | |
544 | AV *padlist; |
576 | AV *padlist; |
545 | AV *av = (AV *)mg->mg_obj; |
577 | AV *av = (AV *)mg->mg_obj; |
546 | |
578 | |
547 | /* perl manages to free our internal AV and _then_ call us */ |
579 | /* perl manages to free our internal AV and _then_ call us */ |
548 | if (IN_DESTRUCT) |
580 | if (IN_DESTRUCT) |
549 | return; |
581 | return 0; |
550 | |
582 | |
551 | /* casting is fun. */ |
583 | /* casting is fun. */ |
552 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
584 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
553 | free_padlist (aTHX_ padlist); |
585 | free_padlist (aTHX_ padlist); |
554 | |
586 | |
… | |
… | |
561 | 0, 0, 0, 0, |
593 | 0, 0, 0, 0, |
562 | coro_cv_free |
594 | coro_cv_free |
563 | }; |
595 | }; |
564 | |
596 | |
565 | /* the next two functions merely cache the padlists */ |
597 | /* the next two functions merely cache the padlists */ |
566 | static void |
598 | ECB_INLINE void |
567 | get_padlist (pTHX_ CV *cv) |
599 | get_padlist (pTHX_ CV *cv) |
568 | { |
600 | { |
569 | MAGIC *mg = CORO_MAGIC_cv (cv); |
601 | MAGIC *mg = CORO_MAGIC_cv (cv); |
570 | AV *av; |
602 | AV *av; |
571 | |
603 | |
572 | if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
604 | if (ecb_expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
573 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
605 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
574 | else |
606 | else |
575 | { |
607 | { |
576 | #if CORO_PREFER_PERL_FUNCTIONS |
608 | #if CORO_PREFER_PERL_FUNCTIONS |
577 | /* this is probably cleaner? but also slower! */ |
609 | /* this is probably cleaner? but also slower! */ |
… | |
… | |
584 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
616 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
585 | #endif |
617 | #endif |
586 | } |
618 | } |
587 | } |
619 | } |
588 | |
620 | |
589 | static void |
621 | ECB_INLINE void |
590 | put_padlist (pTHX_ CV *cv) |
622 | put_padlist (pTHX_ CV *cv) |
591 | { |
623 | { |
592 | MAGIC *mg = CORO_MAGIC_cv (cv); |
624 | MAGIC *mg = CORO_MAGIC_cv (cv); |
593 | AV *av; |
625 | AV *av; |
594 | |
626 | |
595 | if (expect_false (!mg)) |
627 | if (ecb_expect_false (!mg)) |
596 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
628 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
597 | |
629 | |
598 | av = (AV *)mg->mg_obj; |
630 | av = (AV *)mg->mg_obj; |
599 | |
631 | |
600 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
632 | if (ecb_expect_false (AvFILLp (av) >= AvMAX (av))) |
601 | av_extend (av, AvFILLp (av) + 1); |
633 | av_extend (av, AvFILLp (av) + 1); |
602 | |
634 | |
603 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
635 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
604 | } |
636 | } |
605 | |
637 | |
606 | /** load & save, init *******************************************************/ |
638 | /** load & save, init *******************************************************/ |
|
|
639 | |
|
|
640 | /* swap sv heads, at least logically */ |
|
|
641 | static void |
|
|
642 | swap_svs (pTHX_ Coro__State c) |
|
|
643 | { |
|
|
644 | int i; |
|
|
645 | |
|
|
646 | for (i = 0; i <= AvFILLp (c->swap_sv); ) |
|
|
647 | { |
|
|
648 | SV *a = AvARRAY (c->swap_sv)[i++]; |
|
|
649 | SV *b = AvARRAY (c->swap_sv)[i++]; |
|
|
650 | |
|
|
651 | const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */ |
|
|
652 | SV tmp; |
|
|
653 | |
|
|
654 | /* swap sv_any */ |
|
|
655 | SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp); |
|
|
656 | |
|
|
657 | /* swap sv_flags */ |
|
|
658 | SvFLAGS (&tmp) = SvFLAGS (a); |
|
|
659 | SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep); |
|
|
660 | SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep); |
|
|
661 | |
|
|
662 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
663 | /* perl 5.10 complicates this _quite_ a bit, but it also is |
|
|
664 | * much faster, so no quarrels here. alternatively, we could |
|
|
665 | * sv_upgrade to avoid this. |
|
|
666 | */ |
|
|
667 | { |
|
|
668 | /* swap sv_u */ |
|
|
669 | tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u; |
|
|
670 | |
|
|
671 | /* if SvANY points to the head, we need to adjust the pointers, |
|
|
672 | * as the pointer for a still points to b, and maybe vice versa. |
|
|
673 | */ |
|
|
674 | #define svany_in_head(type) \ |
|
|
675 | (((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type))) |
|
|
676 | |
|
|
677 | if (svany_in_head (SvTYPE (a))) |
|
|
678 | SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a); |
|
|
679 | |
|
|
680 | if (svany_in_head (SvTYPE (b))) |
|
|
681 | SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b); |
|
|
682 | } |
|
|
683 | #endif |
|
|
684 | } |
|
|
685 | } |
|
|
686 | |
|
|
687 | #define SWAP_SVS(coro) \ |
|
|
688 | if (ecb_expect_false ((coro)->swap_sv)) \ |
|
|
689 | swap_svs (aTHX_ (coro)) |
607 | |
690 | |
608 | static void |
691 | static void |
609 | on_enterleave_call (pTHX_ SV *cb); |
692 | on_enterleave_call (pTHX_ SV *cb); |
610 | |
693 | |
611 | static void |
694 | static void |
… | |
… | |
614 | perl_slots *slot = c->slot; |
697 | perl_slots *slot = c->slot; |
615 | c->slot = 0; |
698 | c->slot = 0; |
616 | |
699 | |
617 | PL_mainstack = c->mainstack; |
700 | PL_mainstack = c->mainstack; |
618 | |
701 | |
619 | GvSV (PL_defgv) = slot->defsv; |
702 | #if CORO_JIT |
620 | GvAV (PL_defgv) = slot->defav; |
703 | load_perl_slots (slot); |
621 | GvSV (PL_errgv) = slot->errsv; |
704 | #else |
622 | GvSV (irsgv) = slot->irsgv; |
|
|
623 | GvHV (PL_hintgv) = slot->hinthv; |
|
|
624 | |
|
|
625 | #define VAR(name,type) PL_ ## name = slot->name; |
705 | #define VARx(name,expr,type) expr = slot->name; |
626 | # include "state.h" |
706 | # include "state.h" |
627 | #undef VAR |
707 | #undef VARx |
|
|
708 | #endif |
628 | |
709 | |
629 | { |
710 | { |
630 | dSP; |
711 | dSP; |
631 | |
712 | |
632 | CV *cv; |
713 | CV *cv; |
633 | |
714 | |
634 | /* now do the ugly restore mess */ |
715 | /* now do the ugly restore mess */ |
635 | while (expect_true (cv = (CV *)POPs)) |
716 | while (ecb_expect_true (cv = (CV *)POPs)) |
636 | { |
717 | { |
637 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
718 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
638 | CvDEPTH (cv) = PTR2IV (POPs); |
719 | CvDEPTH (cv) = PTR2IV (POPs); |
639 | CvPADLIST (cv) = (AV *)POPs; |
720 | CvPADLIST (cv) = (AV *)POPs; |
640 | } |
721 | } |
… | |
… | |
643 | } |
724 | } |
644 | |
725 | |
645 | slf_frame = c->slf_frame; |
726 | slf_frame = c->slf_frame; |
646 | CORO_THROW = c->except; |
727 | CORO_THROW = c->except; |
647 | |
728 | |
648 | if (expect_false (enable_times)) |
729 | if (ecb_expect_false (enable_times)) |
649 | { |
730 | { |
650 | if (expect_false (!times_valid)) |
731 | if (ecb_expect_false (!times_valid)) |
651 | coro_times_update (); |
732 | coro_times_update (); |
652 | |
733 | |
653 | coro_times_sub (c); |
734 | coro_times_sub (c); |
654 | } |
735 | } |
655 | |
736 | |
656 | if (expect_false (c->on_enter)) |
737 | if (ecb_expect_false (c->on_enter)) |
657 | { |
738 | { |
658 | int i; |
739 | int i; |
659 | |
740 | |
660 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
741 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
661 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
742 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
662 | } |
743 | } |
|
|
744 | |
|
|
745 | SWAP_SVS (c); |
663 | } |
746 | } |
664 | |
747 | |
665 | static void |
748 | static void |
666 | save_perl (pTHX_ Coro__State c) |
749 | save_perl (pTHX_ Coro__State c) |
667 | { |
750 | { |
|
|
751 | SWAP_SVS (c); |
|
|
752 | |
668 | if (expect_false (c->on_leave)) |
753 | if (ecb_expect_false (c->on_leave)) |
669 | { |
754 | { |
670 | int i; |
755 | int i; |
671 | |
756 | |
672 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
757 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
673 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
758 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
674 | } |
759 | } |
675 | |
760 | |
676 | times_valid = 0; |
761 | times_valid = 0; |
677 | |
762 | |
678 | if (expect_false (enable_times)) |
763 | if (ecb_expect_false (enable_times)) |
679 | { |
764 | { |
680 | coro_times_update (); times_valid = 1; |
765 | coro_times_update (); times_valid = 1; |
681 | coro_times_add (c); |
766 | coro_times_add (c); |
682 | } |
767 | } |
683 | |
768 | |
… | |
… | |
697 | |
782 | |
698 | XPUSHs (Nullsv); |
783 | XPUSHs (Nullsv); |
699 | /* this loop was inspired by pp_caller */ |
784 | /* this loop was inspired by pp_caller */ |
700 | for (;;) |
785 | for (;;) |
701 | { |
786 | { |
702 | while (expect_true (cxix >= 0)) |
787 | while (ecb_expect_true (cxix >= 0)) |
703 | { |
788 | { |
704 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
789 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
705 | |
790 | |
706 | if (expect_true (CxTYPE (cx) == CXt_SUB) || expect_false (CxTYPE (cx) == CXt_FORMAT)) |
791 | if (ecb_expect_true (CxTYPE (cx) == CXt_SUB) || ecb_expect_false (CxTYPE (cx) == CXt_FORMAT)) |
707 | { |
792 | { |
708 | CV *cv = cx->blk_sub.cv; |
793 | CV *cv = cx->blk_sub.cv; |
709 | |
794 | |
710 | if (expect_true (CvDEPTH (cv))) |
795 | if (ecb_expect_true (CvDEPTH (cv))) |
711 | { |
796 | { |
712 | EXTEND (SP, 3); |
797 | EXTEND (SP, 3); |
713 | PUSHs ((SV *)CvPADLIST (cv)); |
798 | PUSHs ((SV *)CvPADLIST (cv)); |
714 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
799 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
715 | PUSHs ((SV *)cv); |
800 | PUSHs ((SV *)cv); |
… | |
… | |
718 | get_padlist (aTHX_ cv); |
803 | get_padlist (aTHX_ cv); |
719 | } |
804 | } |
720 | } |
805 | } |
721 | } |
806 | } |
722 | |
807 | |
723 | if (expect_true (top_si->si_type == PERLSI_MAIN)) |
808 | if (ecb_expect_true (top_si->si_type == PERLSI_MAIN)) |
724 | break; |
809 | break; |
725 | |
810 | |
726 | top_si = top_si->si_prev; |
811 | top_si = top_si->si_prev; |
727 | ccstk = top_si->si_cxstack; |
812 | ccstk = top_si->si_cxstack; |
728 | cxix = top_si->si_cxix; |
813 | cxix = top_si->si_cxix; |
… | |
… | |
730 | |
815 | |
731 | PUTBACK; |
816 | PUTBACK; |
732 | } |
817 | } |
733 | |
818 | |
734 | /* allocate some space on the context stack for our purposes */ |
819 | /* allocate some space on the context stack for our purposes */ |
735 | /* we manually unroll here, as usually 2 slots is enough */ |
820 | if (ecb_expect_false (cxstack_ix + SLOT_COUNT >= cxstack_max)) |
736 | if (SLOT_COUNT >= 1) CXINC; |
|
|
737 | if (SLOT_COUNT >= 2) CXINC; |
|
|
738 | if (SLOT_COUNT >= 3) CXINC; |
|
|
739 | { |
821 | { |
740 | int i; |
822 | unsigned int i; |
|
|
823 | |
741 | for (i = 3; i < SLOT_COUNT; ++i) |
824 | for (i = 0; i < SLOT_COUNT; ++i) |
742 | CXINC; |
825 | CXINC; |
743 | } |
826 | |
744 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
827 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
|
|
828 | } |
745 | |
829 | |
746 | c->mainstack = PL_mainstack; |
830 | c->mainstack = PL_mainstack; |
747 | |
831 | |
748 | { |
832 | { |
749 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
833 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
750 | |
834 | |
751 | slot->defav = GvAV (PL_defgv); |
835 | #if CORO_JIT |
752 | slot->defsv = DEFSV; |
836 | save_perl_slots (slot); |
753 | slot->errsv = ERRSV; |
837 | #else |
754 | slot->irsgv = GvSV (irsgv); |
|
|
755 | slot->hinthv = GvHV (PL_hintgv); |
|
|
756 | |
|
|
757 | #define VAR(name,type) slot->name = PL_ ## name; |
838 | #define VARx(name,expr,type) slot->name = expr; |
758 | # include "state.h" |
839 | # include "state.h" |
759 | #undef VAR |
840 | #undef VARx |
|
|
841 | #endif |
760 | } |
842 | } |
761 | } |
843 | } |
762 | |
844 | |
763 | /* |
845 | /* |
764 | * allocate various perl stacks. This is almost an exact copy |
846 | * allocate various perl stacks. This is almost an exact copy |
… | |
… | |
770 | # define coro_init_stacks(thx) init_stacks () |
852 | # define coro_init_stacks(thx) init_stacks () |
771 | #else |
853 | #else |
772 | static void |
854 | static void |
773 | coro_init_stacks (pTHX) |
855 | coro_init_stacks (pTHX) |
774 | { |
856 | { |
775 | PL_curstackinfo = new_stackinfo(32, 8); |
857 | PL_curstackinfo = new_stackinfo(32, 4 + SLOT_COUNT); /* 3 is minimum due to perl rounding down in scope.c:GROW() */ |
776 | PL_curstackinfo->si_type = PERLSI_MAIN; |
858 | PL_curstackinfo->si_type = PERLSI_MAIN; |
777 | PL_curstack = PL_curstackinfo->si_stack; |
859 | PL_curstack = PL_curstackinfo->si_stack; |
778 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
860 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
779 | |
861 | |
780 | PL_stack_base = AvARRAY(PL_curstack); |
862 | PL_stack_base = AvARRAY(PL_curstack); |
… | |
… | |
887 | #endif |
969 | #endif |
888 | |
970 | |
889 | /* |
971 | /* |
890 | * This overrides the default magic get method of %SIG elements. |
972 | * This overrides the default magic get method of %SIG elements. |
891 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
973 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
892 | * and instead of trying to save and restore the hash elements, we just provide |
974 | * and instead of trying to save and restore the hash elements (extremely slow), |
893 | * readback here. |
975 | * we just provide our own readback here. |
894 | */ |
976 | */ |
895 | static int |
977 | static int ecb_cold |
896 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
978 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
897 | { |
979 | { |
898 | const char *s = MgPV_nolen_const (mg); |
980 | const char *s = MgPV_nolen_const (mg); |
899 | |
981 | |
900 | if (*s == '_') |
982 | if (*s == '_') |
… | |
… | |
912 | } |
994 | } |
913 | |
995 | |
914 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
996 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
915 | } |
997 | } |
916 | |
998 | |
917 | static int |
999 | static int ecb_cold |
918 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
1000 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
919 | { |
1001 | { |
920 | const char *s = MgPV_nolen_const (mg); |
1002 | const char *s = MgPV_nolen_const (mg); |
921 | |
1003 | |
922 | if (*s == '_') |
1004 | if (*s == '_') |
… | |
… | |
936 | } |
1018 | } |
937 | |
1019 | |
938 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
1020 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
939 | } |
1021 | } |
940 | |
1022 | |
941 | static int |
1023 | static int ecb_cold |
942 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
1024 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
943 | { |
1025 | { |
944 | const char *s = MgPV_nolen_const (mg); |
1026 | const char *s = MgPV_nolen_const (mg); |
945 | |
1027 | |
946 | if (*s == '_') |
1028 | if (*s == '_') |
… | |
… | |
979 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
1061 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
980 | { |
1062 | { |
981 | return 1; |
1063 | return 1; |
982 | } |
1064 | } |
983 | |
1065 | |
984 | static UNOP coro_setup_op; |
1066 | static UNOP init_perl_op; |
985 | |
1067 | |
986 | static void NOINLINE /* noinline to keep it out of the transfer fast path */ |
1068 | ecb_noinline static void /* noinline to keep it out of the transfer fast path */ |
987 | coro_setup (pTHX_ struct coro *coro) |
1069 | init_perl (pTHX_ struct coro *coro) |
988 | { |
1070 | { |
989 | /* |
1071 | /* |
990 | * emulate part of the perl startup here. |
1072 | * emulate part of the perl startup here. |
991 | */ |
1073 | */ |
992 | coro_init_stacks (aTHX); |
1074 | coro_init_stacks (aTHX); |
… | |
… | |
999 | PL_comppad_name_fill = 0; |
1081 | PL_comppad_name_fill = 0; |
1000 | PL_comppad_name_floor = 0; |
1082 | PL_comppad_name_floor = 0; |
1001 | PL_curpm = 0; |
1083 | PL_curpm = 0; |
1002 | PL_curpad = 0; |
1084 | PL_curpad = 0; |
1003 | PL_localizing = 0; |
1085 | PL_localizing = 0; |
1004 | PL_dirty = 0; |
|
|
1005 | PL_restartop = 0; |
1086 | PL_restartop = 0; |
1006 | #if PERL_VERSION_ATLEAST (5,10,0) |
1087 | #if PERL_VERSION_ATLEAST (5,10,0) |
1007 | PL_parser = 0; |
1088 | PL_parser = 0; |
1008 | #endif |
1089 | #endif |
1009 | PL_hints = 0; |
1090 | PL_hints = 0; |
1010 | |
1091 | |
1011 | /* recreate the die/warn hooks */ |
1092 | /* recreate the die/warn hooks */ |
1012 | PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); |
1093 | PL_diehook = SvREFCNT_inc (rv_diehook); |
1013 | PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook); |
1094 | PL_warnhook = SvREFCNT_inc (rv_warnhook); |
1014 | |
1095 | |
1015 | GvSV (PL_defgv) = newSV (0); |
1096 | GvSV (PL_defgv) = newSV (0); |
1016 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1097 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1017 | GvSV (PL_errgv) = newSV (0); |
1098 | GvSV (PL_errgv) = newSV (0); |
1018 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
1099 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
… | |
… | |
1039 | /* this newly created coroutine might be run on an existing cctx which most |
1120 | /* this newly created coroutine might be run on an existing cctx which most |
1040 | * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. |
1121 | * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. |
1041 | */ |
1122 | */ |
1042 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
1123 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
1043 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
1124 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
|
|
1125 | slf_frame.destroy = 0; |
1044 | |
1126 | |
1045 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
1127 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
1046 | coro_setup_op.op_next = PL_op; |
1128 | init_perl_op.op_next = PL_op; |
1047 | coro_setup_op.op_type = OP_ENTERSUB; |
1129 | init_perl_op.op_type = OP_ENTERSUB; |
1048 | coro_setup_op.op_ppaddr = pp_slf; |
1130 | init_perl_op.op_ppaddr = pp_slf; |
1049 | /* no flags etc. required, as an init function won't be called */ |
1131 | /* no flags etc. required, as an init function won't be called */ |
1050 | |
1132 | |
1051 | PL_op = (OP *)&coro_setup_op; |
1133 | PL_op = (OP *)&init_perl_op; |
1052 | |
1134 | |
1053 | /* copy throw, in case it was set before coro_setup */ |
1135 | /* copy throw, in case it was set before init_perl */ |
1054 | CORO_THROW = coro->except; |
1136 | CORO_THROW = coro->except; |
1055 | |
1137 | |
|
|
1138 | SWAP_SVS (coro); |
|
|
1139 | |
1056 | if (expect_false (enable_times)) |
1140 | if (ecb_expect_false (enable_times)) |
1057 | { |
1141 | { |
1058 | coro_times_update (); |
1142 | coro_times_update (); |
1059 | coro_times_sub (coro); |
1143 | coro_times_sub (coro); |
1060 | } |
1144 | } |
1061 | } |
1145 | } |
… | |
… | |
1080 | dounwind (-1); |
1164 | dounwind (-1); |
1081 | } |
1165 | } |
1082 | } |
1166 | } |
1083 | |
1167 | |
1084 | static void |
1168 | static void |
1085 | coro_destruct_perl (pTHX_ struct coro *coro) |
1169 | destroy_perl (pTHX_ struct coro *coro) |
1086 | { |
1170 | { |
1087 | SV *svf [9]; |
1171 | SV *svf [9]; |
1088 | |
1172 | |
1089 | { |
1173 | { |
|
|
1174 | SV *old_current = SvRV (coro_current); |
1090 | struct coro *current = SvSTATE_current; |
1175 | struct coro *current = SvSTATE (old_current); |
1091 | |
1176 | |
1092 | assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack)); |
1177 | assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack)); |
1093 | |
1178 | |
1094 | save_perl (aTHX_ current); |
1179 | save_perl (aTHX_ current); |
|
|
1180 | |
|
|
1181 | /* this will cause transfer_check to croak on block*/ |
|
|
1182 | SvRV_set (coro_current, (SV *)coro->hv); |
|
|
1183 | |
1095 | load_perl (aTHX_ coro); |
1184 | load_perl (aTHX_ coro); |
1096 | |
1185 | |
1097 | coro_unwind_stacks (aTHX); |
1186 | coro_unwind_stacks (aTHX); |
|
|
1187 | |
|
|
1188 | /* restore swapped sv's */ |
|
|
1189 | SWAP_SVS (coro); |
|
|
1190 | |
1098 | coro_destruct_stacks (aTHX); |
1191 | coro_destruct_stacks (aTHX); |
1099 | |
1192 | |
1100 | // now save some sv's to be free'd later |
1193 | // now save some sv's to be free'd later |
1101 | svf [0] = GvSV (PL_defgv); |
1194 | svf [0] = GvSV (PL_defgv); |
1102 | svf [1] = (SV *)GvAV (PL_defgv); |
1195 | svf [1] = (SV *)GvAV (PL_defgv); |
… | |
… | |
1107 | svf [6] = (SV *)GvHV (PL_hintgv); |
1200 | svf [6] = (SV *)GvHV (PL_hintgv); |
1108 | svf [7] = PL_diehook; |
1201 | svf [7] = PL_diehook; |
1109 | svf [8] = PL_warnhook; |
1202 | svf [8] = PL_warnhook; |
1110 | assert (9 == sizeof (svf) / sizeof (*svf)); |
1203 | assert (9 == sizeof (svf) / sizeof (*svf)); |
1111 | |
1204 | |
|
|
1205 | SvRV_set (coro_current, old_current); |
|
|
1206 | |
1112 | load_perl (aTHX_ current); |
1207 | load_perl (aTHX_ current); |
1113 | } |
1208 | } |
1114 | |
1209 | |
1115 | { |
1210 | { |
1116 | int i; |
1211 | unsigned int i; |
1117 | |
1212 | |
1118 | for (i = 0; i < sizeof (svf) / sizeof (*svf); ++i) |
1213 | for (i = 0; i < sizeof (svf) / sizeof (*svf); ++i) |
1119 | SvREFCNT_dec (svf [i]); |
1214 | SvREFCNT_dec (svf [i]); |
1120 | |
1215 | |
1121 | SvREFCNT_dec (coro->saved_deffh); |
1216 | SvREFCNT_dec (coro->saved_deffh); |
… | |
… | |
1123 | SvREFCNT_dec (coro->invoke_cb); |
1218 | SvREFCNT_dec (coro->invoke_cb); |
1124 | SvREFCNT_dec (coro->invoke_av); |
1219 | SvREFCNT_dec (coro->invoke_av); |
1125 | } |
1220 | } |
1126 | } |
1221 | } |
1127 | |
1222 | |
1128 | INLINE void |
1223 | ECB_INLINE void |
1129 | free_coro_mortal (pTHX) |
1224 | free_coro_mortal (pTHX) |
1130 | { |
1225 | { |
1131 | if (expect_true (coro_mortal)) |
1226 | if (ecb_expect_true (coro_mortal)) |
1132 | { |
1227 | { |
1133 | SvREFCNT_dec (coro_mortal); |
1228 | SvREFCNT_dec ((SV *)coro_mortal); |
1134 | coro_mortal = 0; |
1229 | coro_mortal = 0; |
1135 | } |
1230 | } |
1136 | } |
1231 | } |
1137 | |
1232 | |
1138 | static int |
1233 | static int |
… | |
… | |
1271 | |
1366 | |
1272 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1367 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1273 | } |
1368 | } |
1274 | |
1369 | |
1275 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1370 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1276 | static void NOINLINE |
1371 | static void ecb_noinline |
1277 | cctx_prepare (pTHX) |
1372 | cctx_prepare (pTHX) |
1278 | { |
1373 | { |
1279 | PL_top_env = &PL_start_env; |
1374 | PL_top_env = &PL_start_env; |
1280 | |
1375 | |
1281 | if (cctx_current->flags & CC_TRACE) |
1376 | if (cctx_current->flags & CC_TRACE) |
… | |
… | |
1292 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1387 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1293 | slf_frame.check = slf_check_set_stacklevel; |
1388 | slf_frame.check = slf_check_set_stacklevel; |
1294 | } |
1389 | } |
1295 | |
1390 | |
1296 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1391 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1297 | INLINE void |
1392 | ECB_INLINE void |
1298 | transfer_tail (pTHX) |
1393 | transfer_tail (pTHX) |
1299 | { |
1394 | { |
1300 | free_coro_mortal (aTHX); |
1395 | free_coro_mortal (aTHX); |
1301 | } |
1396 | } |
1302 | |
1397 | |
… | |
… | |
1327 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1422 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1328 | PL_restartop = PL_op; |
1423 | PL_restartop = PL_op; |
1329 | perl_run (PL_curinterp); |
1424 | perl_run (PL_curinterp); |
1330 | /* |
1425 | /* |
1331 | * Unfortunately, there is no way to get at the return values of the |
1426 | * Unfortunately, there is no way to get at the return values of the |
1332 | * coro body here, as perl_run destroys these |
1427 | * coro body here, as perl_run destroys these. Likewise, we cannot catch |
|
|
1428 | * runtime errors here, as this is just a random interpreter, not a thread. |
1333 | */ |
1429 | */ |
1334 | |
1430 | |
1335 | /* |
1431 | /* |
1336 | * If perl-run returns we assume exit() was being called or the coro |
1432 | * If perl-run returns we assume exit() was being called or the coro |
1337 | * fell off the end, which seems to be the only valid (non-bug) |
1433 | * fell off the end, which seems to be the only valid (non-bug) |
… | |
… | |
1424 | cctx_destroy (coro_cctx *cctx) |
1520 | cctx_destroy (coro_cctx *cctx) |
1425 | { |
1521 | { |
1426 | if (!cctx) |
1522 | if (!cctx) |
1427 | return; |
1523 | return; |
1428 | |
1524 | |
1429 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));//D temporary? |
1525 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current)); |
1430 | |
1526 | |
1431 | --cctx_count; |
1527 | --cctx_count; |
1432 | coro_destroy (&cctx->cctx); |
1528 | coro_destroy (&cctx->cctx); |
1433 | |
1529 | |
1434 | /* coro_transfer creates new, empty cctx's */ |
1530 | /* coro_transfer creates new, empty cctx's */ |
… | |
… | |
1453 | #define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) |
1549 | #define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) |
1454 | |
1550 | |
1455 | static coro_cctx * |
1551 | static coro_cctx * |
1456 | cctx_get (pTHX) |
1552 | cctx_get (pTHX) |
1457 | { |
1553 | { |
1458 | while (expect_true (cctx_first)) |
1554 | while (ecb_expect_true (cctx_first)) |
1459 | { |
1555 | { |
1460 | coro_cctx *cctx = cctx_first; |
1556 | coro_cctx *cctx = cctx_first; |
1461 | cctx_first = cctx->next; |
1557 | cctx_first = cctx->next; |
1462 | --cctx_idle; |
1558 | --cctx_idle; |
1463 | |
1559 | |
1464 | if (expect_true (!CCTX_EXPIRED (cctx))) |
1560 | if (ecb_expect_true (!CCTX_EXPIRED (cctx))) |
1465 | return cctx; |
1561 | return cctx; |
1466 | |
1562 | |
1467 | cctx_destroy (cctx); |
1563 | cctx_destroy (cctx); |
1468 | } |
1564 | } |
1469 | |
1565 | |
… | |
… | |
1474 | cctx_put (coro_cctx *cctx) |
1570 | cctx_put (coro_cctx *cctx) |
1475 | { |
1571 | { |
1476 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr)); |
1572 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr)); |
1477 | |
1573 | |
1478 | /* free another cctx if overlimit */ |
1574 | /* free another cctx if overlimit */ |
1479 | if (expect_false (cctx_idle >= cctx_max_idle)) |
1575 | if (ecb_expect_false (cctx_idle >= cctx_max_idle)) |
1480 | { |
1576 | { |
1481 | coro_cctx *first = cctx_first; |
1577 | coro_cctx *first = cctx_first; |
1482 | cctx_first = first->next; |
1578 | cctx_first = first->next; |
1483 | --cctx_idle; |
1579 | --cctx_idle; |
1484 | |
1580 | |
… | |
… | |
1495 | static void |
1591 | static void |
1496 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1592 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1497 | { |
1593 | { |
1498 | /* TODO: throwing up here is considered harmful */ |
1594 | /* TODO: throwing up here is considered harmful */ |
1499 | |
1595 | |
1500 | if (expect_true (prev != next)) |
1596 | if (ecb_expect_true (prev != next)) |
1501 | { |
1597 | { |
1502 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1598 | if (ecb_expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1503 | croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); |
1599 | croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); |
1504 | |
1600 | |
1505 | if (expect_false (next->flags & (CF_RUNNING | CF_DESTROYED | CF_SUSPENDED))) |
1601 | if (ecb_expect_false (next->flags & (CF_RUNNING | CF_ZOMBIE | CF_SUSPENDED))) |
1506 | croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); |
1602 | croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); |
1507 | |
1603 | |
1508 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1604 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1509 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1605 | if (ecb_expect_false (PL_lex_state != LEX_NOTPARSING)) |
1510 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1606 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1511 | #endif |
1607 | #endif |
1512 | } |
1608 | } |
1513 | } |
1609 | } |
1514 | |
1610 | |
1515 | /* always use the TRANSFER macro */ |
1611 | /* always use the TRANSFER macro */ |
1516 | static void NOINLINE /* noinline so we have a fixed stackframe */ |
1612 | static void ecb_noinline /* noinline so we have a fixed stackframe */ |
1517 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1613 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1518 | { |
1614 | { |
1519 | dSTACKLEVEL; |
1615 | dSTACKLEVEL; |
1520 | |
1616 | |
1521 | /* sometimes transfer is only called to set idle_sp */ |
1617 | /* sometimes transfer is only called to set idle_sp */ |
1522 | if (expect_false (!prev)) |
1618 | if (ecb_expect_false (!prev)) |
1523 | { |
1619 | { |
1524 | cctx_current->idle_sp = STACKLEVEL; |
1620 | cctx_current->idle_sp = STACKLEVEL; |
1525 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1621 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1526 | } |
1622 | } |
1527 | else if (expect_true (prev != next)) |
1623 | else if (ecb_expect_true (prev != next)) |
1528 | { |
1624 | { |
1529 | coro_cctx *cctx_prev; |
1625 | coro_cctx *cctx_prev; |
1530 | |
1626 | |
1531 | if (expect_false (prev->flags & CF_NEW)) |
1627 | if (ecb_expect_false (prev->flags & CF_NEW)) |
1532 | { |
1628 | { |
1533 | /* create a new empty/source context */ |
1629 | /* create a new empty/source context */ |
1534 | prev->flags &= ~CF_NEW; |
1630 | prev->flags &= ~CF_NEW; |
1535 | prev->flags |= CF_RUNNING; |
1631 | prev->flags |= CF_RUNNING; |
1536 | } |
1632 | } |
… | |
… | |
1539 | next->flags |= CF_RUNNING; |
1635 | next->flags |= CF_RUNNING; |
1540 | |
1636 | |
1541 | /* first get rid of the old state */ |
1637 | /* first get rid of the old state */ |
1542 | save_perl (aTHX_ prev); |
1638 | save_perl (aTHX_ prev); |
1543 | |
1639 | |
1544 | if (expect_false (next->flags & CF_NEW)) |
1640 | if (ecb_expect_false (next->flags & CF_NEW)) |
1545 | { |
1641 | { |
1546 | /* need to start coroutine */ |
1642 | /* need to start coroutine */ |
1547 | next->flags &= ~CF_NEW; |
1643 | next->flags &= ~CF_NEW; |
1548 | /* setup coroutine call */ |
1644 | /* setup coroutine call */ |
1549 | coro_setup (aTHX_ next); |
1645 | init_perl (aTHX_ next); |
1550 | } |
1646 | } |
1551 | else |
1647 | else |
1552 | load_perl (aTHX_ next); |
1648 | load_perl (aTHX_ next); |
1553 | |
1649 | |
1554 | /* possibly untie and reuse the cctx */ |
1650 | /* possibly untie and reuse the cctx */ |
1555 | if (expect_true ( |
1651 | if (ecb_expect_true ( |
1556 | cctx_current->idle_sp == STACKLEVEL |
1652 | cctx_current->idle_sp == STACKLEVEL |
1557 | && !(cctx_current->flags & CC_TRACE) |
1653 | && !(cctx_current->flags & CC_TRACE) |
1558 | && !force_cctx |
1654 | && !force_cctx |
1559 | )) |
1655 | )) |
1560 | { |
1656 | { |
1561 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1657 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1562 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1658 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1563 | |
1659 | |
1564 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1660 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1565 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1661 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1566 | if (expect_false (CCTX_EXPIRED (cctx_current))) |
1662 | if (ecb_expect_false (CCTX_EXPIRED (cctx_current))) |
1567 | if (expect_true (!next->cctx)) |
1663 | if (ecb_expect_true (!next->cctx)) |
1568 | next->cctx = cctx_get (aTHX); |
1664 | next->cctx = cctx_get (aTHX); |
1569 | |
1665 | |
1570 | cctx_put (cctx_current); |
1666 | cctx_put (cctx_current); |
1571 | } |
1667 | } |
1572 | else |
1668 | else |
1573 | prev->cctx = cctx_current; |
1669 | prev->cctx = cctx_current; |
1574 | |
1670 | |
1575 | ++next->usecount; |
1671 | ++next->usecount; |
1576 | |
1672 | |
1577 | cctx_prev = cctx_current; |
1673 | cctx_prev = cctx_current; |
1578 | cctx_current = expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1674 | cctx_current = ecb_expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1579 | |
1675 | |
1580 | next->cctx = 0; |
1676 | next->cctx = 0; |
1581 | |
1677 | |
1582 | if (expect_false (cctx_prev != cctx_current)) |
1678 | if (ecb_expect_false (cctx_prev != cctx_current)) |
1583 | { |
1679 | { |
1584 | cctx_prev->top_env = PL_top_env; |
1680 | cctx_prev->top_env = PL_top_env; |
1585 | PL_top_env = cctx_current->top_env; |
1681 | PL_top_env = cctx_current->top_env; |
1586 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1682 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1587 | } |
1683 | } |
… | |
… | |
1593 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1689 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1594 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1690 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1595 | |
1691 | |
1596 | /** high level stuff ********************************************************/ |
1692 | /** high level stuff ********************************************************/ |
1597 | |
1693 | |
|
|
1694 | /* this function is actually Coro, not Coro::State, but we call it from here */ |
|
|
1695 | /* because it is convenient - but it hasn't been declared yet for that reason */ |
1598 | static int |
1696 | static void |
|
|
1697 | coro_call_on_destroy (pTHX_ struct coro *coro); |
|
|
1698 | |
|
|
1699 | static void |
1599 | coro_state_destroy (pTHX_ struct coro *coro) |
1700 | coro_state_destroy (pTHX_ struct coro *coro) |
1600 | { |
1701 | { |
1601 | if (coro->flags & CF_DESTROYED) |
1702 | if (coro->flags & CF_ZOMBIE) |
1602 | return 0; |
1703 | return; |
1603 | |
1704 | |
1604 | if (coro->on_destroy && !PL_dirty) |
|
|
1605 | coro->on_destroy (aTHX_ coro); |
1705 | slf_destroy (aTHX_ coro); |
1606 | |
1706 | |
1607 | coro->flags |= CF_DESTROYED; |
1707 | coro->flags |= CF_ZOMBIE; |
1608 | |
1708 | |
1609 | if (coro->flags & CF_READY) |
1709 | if (coro->flags & CF_READY) |
1610 | { |
1710 | { |
1611 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1711 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1612 | /* alternative: look through all ready queues and remove the coro */ |
1712 | /* alternative: look through all ready queues and remove the coro */ |
1613 | --coro_nready; |
1713 | --coro_nready; |
1614 | } |
1714 | } |
1615 | else |
1715 | else |
1616 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
1716 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
|
|
1717 | |
|
|
1718 | if (coro->next) coro->next->prev = coro->prev; |
|
|
1719 | if (coro->prev) coro->prev->next = coro->next; |
|
|
1720 | if (coro == coro_first) coro_first = coro->next; |
1617 | |
1721 | |
1618 | if (coro->mainstack |
1722 | if (coro->mainstack |
1619 | && coro->mainstack != main_mainstack |
1723 | && coro->mainstack != main_mainstack |
1620 | && coro->slot |
1724 | && coro->slot |
1621 | && !PL_dirty) |
1725 | && !PL_dirty) |
1622 | coro_destruct_perl (aTHX_ coro); |
1726 | destroy_perl (aTHX_ coro); |
1623 | |
1727 | |
1624 | cctx_destroy (coro->cctx); |
1728 | cctx_destroy (coro->cctx); |
1625 | SvREFCNT_dec (coro->startcv); |
1729 | SvREFCNT_dec (coro->startcv); |
1626 | SvREFCNT_dec (coro->args); |
1730 | SvREFCNT_dec (coro->args); |
|
|
1731 | SvREFCNT_dec (coro->swap_sv); |
1627 | SvREFCNT_dec (CORO_THROW); |
1732 | SvREFCNT_dec (CORO_THROW); |
1628 | |
1733 | |
1629 | if (coro->next) coro->next->prev = coro->prev; |
1734 | coro_call_on_destroy (aTHX_ coro); |
1630 | if (coro->prev) coro->prev->next = coro->next; |
|
|
1631 | if (coro == coro_first) coro_first = coro->next; |
|
|
1632 | |
1735 | |
1633 | return 1; |
1736 | /* more destruction mayhem in coro_state_free */ |
1634 | } |
1737 | } |
1635 | |
1738 | |
1636 | static int |
1739 | static int |
1637 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1740 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1638 | { |
1741 | { |
1639 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1742 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1640 | mg->mg_ptr = 0; |
1743 | mg->mg_ptr = 0; |
1641 | |
1744 | |
1642 | coro->hv = 0; |
|
|
1643 | |
|
|
1644 | if (--coro->refcnt < 0) |
|
|
1645 | { |
|
|
1646 | coro_state_destroy (aTHX_ coro); |
1745 | coro_state_destroy (aTHX_ coro); |
|
|
1746 | SvREFCNT_dec (coro->on_destroy); |
|
|
1747 | SvREFCNT_dec (coro->status); |
|
|
1748 | |
1647 | Safefree (coro); |
1749 | Safefree (coro); |
1648 | } |
|
|
1649 | |
1750 | |
1650 | return 0; |
1751 | return 0; |
1651 | } |
1752 | } |
1652 | |
1753 | |
1653 | static int |
1754 | static int ecb_cold |
1654 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1755 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1655 | { |
1756 | { |
1656 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1757 | /* called when perl clones the current process the slow way (windows process emulation) */ |
1657 | |
1758 | /* WE SIMply nuke the pointers in the copy, causing perl to croak */ |
1658 | ++coro->refcnt; |
1759 | mg->mg_ptr = 0; |
|
|
1760 | mg->mg_virtual = 0; |
1659 | |
1761 | |
1660 | return 0; |
1762 | return 0; |
1661 | } |
1763 | } |
1662 | |
1764 | |
1663 | static MGVTBL coro_state_vtbl = { |
1765 | static MGVTBL coro_state_vtbl = { |
… | |
… | |
1686 | |
1788 | |
1687 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1789 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1688 | TRANSFER (ta, 1); |
1790 | TRANSFER (ta, 1); |
1689 | } |
1791 | } |
1690 | |
1792 | |
1691 | /*****************************************************************************/ |
|
|
1692 | /* gensub: simple closure generation utility */ |
|
|
1693 | |
|
|
1694 | #define GENSUB_ARG CvXSUBANY (cv).any_ptr |
|
|
1695 | |
|
|
1696 | /* create a closure from XS, returns a code reference */ |
|
|
1697 | /* the arg can be accessed via GENSUB_ARG from the callback */ |
|
|
1698 | /* the callback must use dXSARGS/XSRETURN */ |
|
|
1699 | static SV * |
|
|
1700 | gensub (pTHX_ void (*xsub)(pTHX_ CV *), void *arg) |
|
|
1701 | { |
|
|
1702 | CV *cv = (CV *)newSV (0); |
|
|
1703 | |
|
|
1704 | sv_upgrade ((SV *)cv, SVt_PVCV); |
|
|
1705 | |
|
|
1706 | CvANON_on (cv); |
|
|
1707 | CvISXSUB_on (cv); |
|
|
1708 | CvXSUB (cv) = xsub; |
|
|
1709 | GENSUB_ARG = arg; |
|
|
1710 | |
|
|
1711 | return newRV_noinc ((SV *)cv); |
|
|
1712 | } |
|
|
1713 | |
|
|
1714 | /** Coro ********************************************************************/ |
1793 | /** Coro ********************************************************************/ |
1715 | |
1794 | |
1716 | INLINE void |
1795 | ECB_INLINE void |
1717 | coro_enq (pTHX_ struct coro *coro) |
1796 | coro_enq (pTHX_ struct coro *coro) |
1718 | { |
1797 | { |
1719 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1798 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1720 | |
1799 | |
1721 | SvREFCNT_inc_NN (coro->hv); |
1800 | SvREFCNT_inc_NN (coro->hv); |
… | |
… | |
1723 | coro->next_ready = 0; |
1802 | coro->next_ready = 0; |
1724 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
1803 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
1725 | ready [1] = coro; |
1804 | ready [1] = coro; |
1726 | } |
1805 | } |
1727 | |
1806 | |
1728 | INLINE struct coro * |
1807 | ECB_INLINE struct coro * |
1729 | coro_deq (pTHX) |
1808 | coro_deq (pTHX) |
1730 | { |
1809 | { |
1731 | int prio; |
1810 | int prio; |
1732 | |
1811 | |
1733 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
1812 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
… | |
… | |
1743 | } |
1822 | } |
1744 | |
1823 | |
1745 | return 0; |
1824 | return 0; |
1746 | } |
1825 | } |
1747 | |
1826 | |
|
|
1827 | static void |
|
|
1828 | invoke_sv_ready_hook_helper (void) |
|
|
1829 | { |
|
|
1830 | dTHX; |
|
|
1831 | dSP; |
|
|
1832 | |
|
|
1833 | ENTER; |
|
|
1834 | SAVETMPS; |
|
|
1835 | |
|
|
1836 | PUSHMARK (SP); |
|
|
1837 | PUTBACK; |
|
|
1838 | call_sv (coro_readyhook, G_VOID | G_DISCARD); |
|
|
1839 | |
|
|
1840 | FREETMPS; |
|
|
1841 | LEAVE; |
|
|
1842 | } |
|
|
1843 | |
1748 | static int |
1844 | static int |
1749 | api_ready (pTHX_ SV *coro_sv) |
1845 | api_ready (pTHX_ SV *coro_sv) |
1750 | { |
1846 | { |
1751 | struct coro *coro; |
|
|
1752 | SV *sv_hook; |
|
|
1753 | void (*xs_hook)(void); |
|
|
1754 | |
|
|
1755 | coro = SvSTATE (coro_sv); |
1847 | struct coro *coro = SvSTATE (coro_sv); |
1756 | |
1848 | |
1757 | if (coro->flags & CF_READY) |
1849 | if (coro->flags & CF_READY) |
1758 | return 0; |
1850 | return 0; |
1759 | |
1851 | |
1760 | coro->flags |= CF_READY; |
1852 | coro->flags |= CF_READY; |
1761 | |
1853 | |
1762 | sv_hook = coro_nready ? 0 : coro_readyhook; |
|
|
1763 | xs_hook = coro_nready ? 0 : coroapi.readyhook; |
|
|
1764 | |
|
|
1765 | coro_enq (aTHX_ coro); |
1854 | coro_enq (aTHX_ coro); |
1766 | ++coro_nready; |
|
|
1767 | |
1855 | |
1768 | if (sv_hook) |
1856 | if (!coro_nready++) |
1769 | { |
1857 | if (coroapi.readyhook) |
1770 | dSP; |
1858 | coroapi.readyhook (); |
1771 | |
|
|
1772 | ENTER; |
|
|
1773 | SAVETMPS; |
|
|
1774 | |
|
|
1775 | PUSHMARK (SP); |
|
|
1776 | PUTBACK; |
|
|
1777 | call_sv (sv_hook, G_VOID | G_DISCARD); |
|
|
1778 | |
|
|
1779 | FREETMPS; |
|
|
1780 | LEAVE; |
|
|
1781 | } |
|
|
1782 | |
|
|
1783 | if (xs_hook) |
|
|
1784 | xs_hook (); |
|
|
1785 | |
1859 | |
1786 | return 1; |
1860 | return 1; |
1787 | } |
1861 | } |
1788 | |
1862 | |
1789 | static int |
1863 | static int |
… | |
… | |
1791 | { |
1865 | { |
1792 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1866 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1793 | } |
1867 | } |
1794 | |
1868 | |
1795 | /* expects to own a reference to next->hv */ |
1869 | /* expects to own a reference to next->hv */ |
1796 | INLINE void |
1870 | ECB_INLINE void |
1797 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1871 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1798 | { |
1872 | { |
1799 | SV *prev_sv = SvRV (coro_current); |
1873 | SV *prev_sv = SvRV (coro_current); |
1800 | |
1874 | |
1801 | ta->prev = SvSTATE_hv (prev_sv); |
1875 | ta->prev = SvSTATE_hv (prev_sv); |
… | |
… | |
1814 | { |
1888 | { |
1815 | for (;;) |
1889 | for (;;) |
1816 | { |
1890 | { |
1817 | struct coro *next = coro_deq (aTHX); |
1891 | struct coro *next = coro_deq (aTHX); |
1818 | |
1892 | |
1819 | if (expect_true (next)) |
1893 | if (ecb_expect_true (next)) |
1820 | { |
1894 | { |
1821 | /* cannot transfer to destroyed coros, skip and look for next */ |
1895 | /* cannot transfer to destroyed coros, skip and look for next */ |
1822 | if (expect_false (next->flags & (CF_DESTROYED | CF_SUSPENDED))) |
1896 | if (ecb_expect_false (next->flags & (CF_ZOMBIE | CF_SUSPENDED))) |
1823 | SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ |
1897 | SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ |
1824 | else |
1898 | else |
1825 | { |
1899 | { |
1826 | next->flags &= ~CF_READY; |
1900 | next->flags &= ~CF_READY; |
1827 | --coro_nready; |
1901 | --coro_nready; |
… | |
… | |
1834 | { |
1908 | { |
1835 | /* nothing to schedule: call the idle handler */ |
1909 | /* nothing to schedule: call the idle handler */ |
1836 | if (SvROK (sv_idle) |
1910 | if (SvROK (sv_idle) |
1837 | && SvOBJECT (SvRV (sv_idle))) |
1911 | && SvOBJECT (SvRV (sv_idle))) |
1838 | { |
1912 | { |
|
|
1913 | if (SvRV (sv_idle) == SvRV (coro_current)) |
|
|
1914 | croak ("FATAL: $Coro::IDLE blocked itself - did you try to block inside an event loop callback? Caught"); |
|
|
1915 | |
1839 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
1916 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
1840 | api_ready (aTHX_ SvRV (sv_idle)); |
1917 | api_ready (aTHX_ SvRV (sv_idle)); |
1841 | --coro_nready; |
1918 | --coro_nready; |
1842 | } |
1919 | } |
1843 | else |
1920 | else |
1844 | { |
1921 | { |
|
|
1922 | /* TODO: deprecated, remove, cannot work reliably *//*D*/ |
1845 | dSP; |
1923 | dSP; |
1846 | |
1924 | |
1847 | ENTER; |
1925 | ENTER; |
1848 | SAVETMPS; |
1926 | SAVETMPS; |
1849 | |
1927 | |
… | |
… | |
1856 | } |
1934 | } |
1857 | } |
1935 | } |
1858 | } |
1936 | } |
1859 | } |
1937 | } |
1860 | |
1938 | |
1861 | INLINE void |
1939 | ECB_INLINE void |
1862 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1940 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1863 | { |
1941 | { |
1864 | api_ready (aTHX_ coro_current); |
1942 | api_ready (aTHX_ coro_current); |
1865 | prepare_schedule (aTHX_ ta); |
1943 | prepare_schedule (aTHX_ ta); |
1866 | } |
1944 | } |
1867 | |
1945 | |
1868 | INLINE void |
1946 | ECB_INLINE void |
1869 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
1947 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
1870 | { |
1948 | { |
1871 | SV *prev = SvRV (coro_current); |
1949 | SV *prev = SvRV (coro_current); |
1872 | |
1950 | |
1873 | if (coro_nready) |
1951 | if (coro_nready) |
… | |
… | |
1903 | { |
1981 | { |
1904 | struct coro_transfer_args ta; |
1982 | struct coro_transfer_args ta; |
1905 | |
1983 | |
1906 | prepare_cede (aTHX_ &ta); |
1984 | prepare_cede (aTHX_ &ta); |
1907 | |
1985 | |
1908 | if (expect_true (ta.prev != ta.next)) |
1986 | if (ecb_expect_true (ta.prev != ta.next)) |
1909 | { |
1987 | { |
1910 | TRANSFER (ta, 1); |
1988 | TRANSFER (ta, 1); |
1911 | return 1; |
1989 | return 1; |
1912 | } |
1990 | } |
1913 | else |
1991 | else |
… | |
… | |
1956 | coro->slot->runops = RUNOPS_DEFAULT; |
2034 | coro->slot->runops = RUNOPS_DEFAULT; |
1957 | } |
2035 | } |
1958 | } |
2036 | } |
1959 | |
2037 | |
1960 | static void |
2038 | static void |
|
|
2039 | coro_push_av (pTHX_ AV *av, I32 gimme_v) |
|
|
2040 | { |
|
|
2041 | if (AvFILLp (av) >= 0 && gimme_v != G_VOID) |
|
|
2042 | { |
|
|
2043 | dSP; |
|
|
2044 | |
|
|
2045 | if (gimme_v == G_SCALAR) |
|
|
2046 | XPUSHs (AvARRAY (av)[AvFILLp (av)]); |
|
|
2047 | else |
|
|
2048 | { |
|
|
2049 | int i; |
|
|
2050 | EXTEND (SP, AvFILLp (av) + 1); |
|
|
2051 | |
|
|
2052 | for (i = 0; i <= AvFILLp (av); ++i) |
|
|
2053 | PUSHs (AvARRAY (av)[i]); |
|
|
2054 | } |
|
|
2055 | |
|
|
2056 | PUTBACK; |
|
|
2057 | } |
|
|
2058 | } |
|
|
2059 | |
|
|
2060 | static void |
|
|
2061 | coro_push_on_destroy (pTHX_ struct coro *coro, SV *cb) |
|
|
2062 | { |
|
|
2063 | if (!coro->on_destroy) |
|
|
2064 | coro->on_destroy = newAV (); |
|
|
2065 | |
|
|
2066 | av_push (coro->on_destroy, cb); |
|
|
2067 | } |
|
|
2068 | |
|
|
2069 | static void |
|
|
2070 | slf_destroy_join (pTHX_ struct CoroSLF *frame) |
|
|
2071 | { |
|
|
2072 | SvREFCNT_dec ((SV *)((struct coro *)frame->data)->hv); |
|
|
2073 | } |
|
|
2074 | |
|
|
2075 | static int |
|
|
2076 | slf_check_join (pTHX_ struct CoroSLF *frame) |
|
|
2077 | { |
|
|
2078 | struct coro *coro = (struct coro *)frame->data; |
|
|
2079 | |
|
|
2080 | if (!coro->status) |
|
|
2081 | return 1; |
|
|
2082 | |
|
|
2083 | frame->destroy = 0; |
|
|
2084 | |
|
|
2085 | coro_push_av (aTHX_ coro->status, GIMME_V); |
|
|
2086 | |
|
|
2087 | SvREFCNT_dec ((SV *)coro->hv); |
|
|
2088 | |
|
|
2089 | return 0; |
|
|
2090 | } |
|
|
2091 | |
|
|
2092 | static void |
|
|
2093 | slf_init_join (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2094 | { |
|
|
2095 | struct coro *coro = SvSTATE (items > 0 ? arg [0] : &PL_sv_undef); |
|
|
2096 | |
|
|
2097 | if (items > 1) |
|
|
2098 | croak ("join called with too many arguments"); |
|
|
2099 | |
|
|
2100 | if (coro->status) |
|
|
2101 | frame->prepare = prepare_nop; |
|
|
2102 | else |
|
|
2103 | { |
|
|
2104 | coro_push_on_destroy (aTHX_ coro, SvREFCNT_inc_NN (SvRV (coro_current))); |
|
|
2105 | frame->prepare = prepare_schedule; |
|
|
2106 | } |
|
|
2107 | |
|
|
2108 | frame->check = slf_check_join; |
|
|
2109 | frame->destroy = slf_destroy_join; |
|
|
2110 | frame->data = (void *)coro; |
|
|
2111 | SvREFCNT_inc (coro->hv); |
|
|
2112 | } |
|
|
2113 | |
|
|
2114 | static void |
1961 | coro_call_on_destroy (pTHX_ struct coro *coro) |
2115 | coro_call_on_destroy (pTHX_ struct coro *coro) |
1962 | { |
2116 | { |
1963 | SV **on_destroyp = hv_fetch (coro->hv, "_on_destroy", sizeof ("_on_destroy") - 1, 0); |
2117 | AV *od = coro->on_destroy; |
1964 | SV **statusp = hv_fetch (coro->hv, "_status", sizeof ("_status") - 1, 0); |
|
|
1965 | |
2118 | |
1966 | if (on_destroyp) |
2119 | if (!od) |
1967 | { |
2120 | return; |
1968 | AV *on_destroy = (AV *)SvRV (*on_destroyp); |
|
|
1969 | |
2121 | |
1970 | while (AvFILLp (on_destroy) >= 0) |
2122 | while (AvFILLp (od) >= 0) |
|
|
2123 | { |
|
|
2124 | SV *cb = sv_2mortal (av_pop (od)); |
|
|
2125 | |
|
|
2126 | /* coro hv's (and only hv's at the moment) are supported as well */ |
|
|
2127 | if (SvSTATEhv_p (aTHX_ cb)) |
|
|
2128 | api_ready (aTHX_ cb); |
|
|
2129 | else |
1971 | { |
2130 | { |
1972 | dSP; /* don't disturb outer sp */ |
2131 | dSP; /* don't disturb outer sp */ |
1973 | SV *cb = av_pop (on_destroy); |
|
|
1974 | |
|
|
1975 | PUSHMARK (SP); |
2132 | PUSHMARK (SP); |
1976 | |
2133 | |
1977 | if (statusp) |
2134 | if (coro->status) |
1978 | { |
2135 | { |
1979 | int i; |
2136 | PUTBACK; |
1980 | AV *status = (AV *)SvRV (*statusp); |
2137 | coro_push_av (aTHX_ coro->status, G_ARRAY); |
1981 | EXTEND (SP, AvFILLp (status) + 1); |
2138 | SPAGAIN; |
1982 | |
|
|
1983 | for (i = 0; i <= AvFILLp (status); ++i) |
|
|
1984 | PUSHs (AvARRAY (status)[i]); |
|
|
1985 | } |
2139 | } |
1986 | |
2140 | |
1987 | PUTBACK; |
2141 | PUTBACK; |
1988 | call_sv (sv_2mortal (cb), G_VOID | G_DISCARD); |
2142 | call_sv (cb, G_VOID | G_DISCARD); |
1989 | } |
2143 | } |
1990 | } |
2144 | } |
1991 | } |
2145 | } |
1992 | |
2146 | |
1993 | static void |
2147 | static void |
1994 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2148 | coro_set_status (pTHX_ struct coro *coro, SV **arg, int items) |
1995 | { |
2149 | { |
|
|
2150 | AV *av; |
|
|
2151 | |
|
|
2152 | if (coro->status) |
|
|
2153 | { |
|
|
2154 | av = coro->status; |
|
|
2155 | av_clear (av); |
|
|
2156 | } |
|
|
2157 | else |
|
|
2158 | av = coro->status = newAV (); |
|
|
2159 | |
|
|
2160 | /* items are actually not so common, so optimise for this case */ |
|
|
2161 | if (items) |
|
|
2162 | { |
1996 | int i; |
2163 | int i; |
1997 | HV *hv = (HV *)SvRV (coro_current); |
|
|
1998 | AV *av = newAV (); |
|
|
1999 | |
2164 | |
2000 | av_extend (av, items - 1); |
2165 | av_extend (av, items - 1); |
|
|
2166 | |
2001 | for (i = 0; i < items; ++i) |
2167 | for (i = 0; i < items; ++i) |
2002 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
2168 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
|
|
2169 | } |
|
|
2170 | } |
2003 | |
2171 | |
2004 | hv_store (hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0); |
2172 | static void |
2005 | |
2173 | slf_init_terminate_cancel_common (pTHX_ struct CoroSLF *frame, HV *coro_hv) |
|
|
2174 | { |
2006 | av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */ |
2175 | av_push (av_destroy, (SV *)newRV_inc ((SV *)coro_hv)); /* RVinc for perl */ |
2007 | api_ready (aTHX_ sv_manager); |
2176 | api_ready (aTHX_ sv_manager); |
2008 | |
2177 | |
2009 | frame->prepare = prepare_schedule; |
2178 | frame->prepare = prepare_schedule; |
2010 | frame->check = slf_check_repeat; |
2179 | frame->check = slf_check_repeat; |
2011 | |
2180 | |
2012 | /* as a minor optimisation, we could unwind all stacks here */ |
2181 | /* as a minor optimisation, we could unwind all stacks here */ |
2013 | /* but that puts extra pressure on pp_slf, and is not worth much */ |
2182 | /* but that puts extra pressure on pp_slf, and is not worth much */ |
2014 | /*coro_unwind_stacks (aTHX);*/ |
2183 | /*coro_unwind_stacks (aTHX);*/ |
|
|
2184 | } |
|
|
2185 | |
|
|
2186 | static void |
|
|
2187 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2188 | { |
|
|
2189 | HV *coro_hv = (HV *)SvRV (coro_current); |
|
|
2190 | |
|
|
2191 | coro_set_status (aTHX_ SvSTATE ((SV *)coro_hv), arg, items); |
|
|
2192 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
|
|
2193 | } |
|
|
2194 | |
|
|
2195 | static void |
|
|
2196 | slf_init_cancel (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2197 | { |
|
|
2198 | HV *coro_hv; |
|
|
2199 | struct coro *coro; |
|
|
2200 | |
|
|
2201 | if (items <= 0) |
|
|
2202 | croak ("Coro::cancel called without coro object,"); |
|
|
2203 | |
|
|
2204 | coro = SvSTATE (arg [0]); |
|
|
2205 | coro_hv = coro->hv; |
|
|
2206 | |
|
|
2207 | coro_set_status (aTHX_ coro, arg + 1, items - 1); |
|
|
2208 | |
|
|
2209 | if (ecb_expect_false (coro->flags & CF_NOCANCEL)) |
|
|
2210 | { |
|
|
2211 | /* coro currently busy cancelling something, so just notify it */ |
|
|
2212 | coro->slf_frame.data = (void *)coro; |
|
|
2213 | |
|
|
2214 | frame->prepare = prepare_nop; |
|
|
2215 | frame->check = slf_check_nop; |
|
|
2216 | } |
|
|
2217 | else if (coro_hv == (HV *)SvRV (coro_current)) |
|
|
2218 | { |
|
|
2219 | /* cancelling the current coro is allowed, and equals terminate */ |
|
|
2220 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
|
|
2221 | } |
|
|
2222 | else |
|
|
2223 | { |
|
|
2224 | struct coro *self = SvSTATE_current; |
|
|
2225 | |
|
|
2226 | /* otherwise we cancel directly, purely for speed reasons |
|
|
2227 | * unfortunately, this requires some magic trickery, as |
|
|
2228 | * somebody else could cancel us, so we have to fight the cancellation. |
|
|
2229 | * this is ugly, and hopefully fully worth the extra speed. |
|
|
2230 | * besides, I can't get the slow-but-safe version working... |
|
|
2231 | */ |
|
|
2232 | slf_frame.data = 0; |
|
|
2233 | self->flags |= CF_NOCANCEL; |
|
|
2234 | coro_state_destroy (aTHX_ coro); |
|
|
2235 | self->flags &= ~CF_NOCANCEL; |
|
|
2236 | |
|
|
2237 | if (slf_frame.data) |
|
|
2238 | { |
|
|
2239 | /* while we were busy we have been cancelled, so terminate */ |
|
|
2240 | slf_init_terminate_cancel_common (aTHX_ frame, self->hv); |
|
|
2241 | } |
|
|
2242 | else |
|
|
2243 | { |
|
|
2244 | frame->prepare = prepare_nop; |
|
|
2245 | frame->check = slf_check_nop; |
|
|
2246 | } |
|
|
2247 | } |
|
|
2248 | } |
|
|
2249 | |
|
|
2250 | static int |
|
|
2251 | slf_check_safe_cancel (pTHX_ struct CoroSLF *frame) |
|
|
2252 | { |
|
|
2253 | frame->prepare = 0; |
|
|
2254 | coro_unwind_stacks (aTHX); |
|
|
2255 | |
|
|
2256 | slf_init_terminate_cancel_common (aTHX_ frame, (HV *)SvRV (coro_current)); |
|
|
2257 | |
|
|
2258 | return 1; |
|
|
2259 | } |
|
|
2260 | |
|
|
2261 | static int |
|
|
2262 | safe_cancel (pTHX_ struct coro *coro, SV **arg, int items) |
|
|
2263 | { |
|
|
2264 | if (coro->cctx) |
|
|
2265 | croak ("coro inside C callback, unable to cancel at this time, caught"); |
|
|
2266 | |
|
|
2267 | if (coro->flags & CF_NEW) |
|
|
2268 | { |
|
|
2269 | coro_set_status (aTHX_ coro, arg, items); |
|
|
2270 | coro_state_destroy (aTHX_ coro); |
|
|
2271 | } |
|
|
2272 | else |
|
|
2273 | { |
|
|
2274 | if (!coro->slf_frame.prepare) |
|
|
2275 | croak ("coro outside an SLF function, unable to cancel at this time, caught"); |
|
|
2276 | |
|
|
2277 | slf_destroy (aTHX_ coro); |
|
|
2278 | |
|
|
2279 | coro_set_status (aTHX_ coro, arg, items); |
|
|
2280 | coro->slf_frame.prepare = prepare_nop; |
|
|
2281 | coro->slf_frame.check = slf_check_safe_cancel; |
|
|
2282 | |
|
|
2283 | api_ready (aTHX_ (SV *)coro->hv); |
|
|
2284 | } |
|
|
2285 | |
|
|
2286 | return 1; |
2015 | } |
2287 | } |
2016 | |
2288 | |
2017 | /*****************************************************************************/ |
2289 | /*****************************************************************************/ |
2018 | /* async pool handler */ |
2290 | /* async pool handler */ |
2019 | |
2291 | |
… | |
… | |
2050 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2322 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2051 | { |
2323 | { |
2052 | HV *hv = (HV *)SvRV (coro_current); |
2324 | HV *hv = (HV *)SvRV (coro_current); |
2053 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
2325 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
2054 | |
2326 | |
2055 | if (expect_true (coro->saved_deffh)) |
2327 | if (ecb_expect_true (coro->saved_deffh)) |
2056 | { |
2328 | { |
2057 | /* subsequent iteration */ |
2329 | /* subsequent iteration */ |
2058 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
2330 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
2059 | coro->saved_deffh = 0; |
2331 | coro->saved_deffh = 0; |
2060 | |
2332 | |
2061 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
2333 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
2062 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
2334 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
2063 | { |
2335 | { |
2064 | coro->invoke_cb = SvREFCNT_inc_NN ((SV *)cv_coro_terminate); |
2336 | slf_init_terminate_cancel_common (aTHX_ frame, hv); |
2065 | coro->invoke_av = newAV (); |
2337 | return; |
2066 | |
|
|
2067 | frame->prepare = prepare_nop; |
|
|
2068 | } |
2338 | } |
2069 | else |
2339 | else |
2070 | { |
2340 | { |
2071 | av_clear (GvAV (PL_defgv)); |
2341 | av_clear (GvAV (PL_defgv)); |
2072 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
2342 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
… | |
… | |
2097 | |
2367 | |
2098 | static void |
2368 | static void |
2099 | coro_rouse_callback (pTHX_ CV *cv) |
2369 | coro_rouse_callback (pTHX_ CV *cv) |
2100 | { |
2370 | { |
2101 | dXSARGS; |
2371 | dXSARGS; |
2102 | SV *data = (SV *)GENSUB_ARG; |
2372 | SV *data = (SV *)S_GENSUB_ARG; |
2103 | |
2373 | |
2104 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2374 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2105 | { |
2375 | { |
2106 | /* first call, set args */ |
2376 | /* first call, set args */ |
2107 | SV *coro = SvRV (data); |
2377 | SV *coro = SvRV (data); |
… | |
… | |
2173 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2443 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2174 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2444 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2175 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2445 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2176 | |
2446 | |
2177 | { |
2447 | { |
2178 | CV *cv = (CV *)SvRV (cb); /* for GENSUB_ARG */ |
2448 | CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ |
2179 | SV *data = (SV *)GENSUB_ARG; |
2449 | SV *data = (SV *)S_GENSUB_ARG; |
2180 | |
2450 | |
2181 | frame->data = (void *)data; |
2451 | frame->data = (void *)data; |
2182 | frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule; |
2452 | frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule; |
2183 | frame->check = slf_check_rouse_wait; |
2453 | frame->check = slf_check_rouse_wait; |
2184 | } |
2454 | } |
… | |
… | |
2188 | coro_new_rouse_cb (pTHX) |
2458 | coro_new_rouse_cb (pTHX) |
2189 | { |
2459 | { |
2190 | HV *hv = (HV *)SvRV (coro_current); |
2460 | HV *hv = (HV *)SvRV (coro_current); |
2191 | struct coro *coro = SvSTATE_hv (hv); |
2461 | struct coro *coro = SvSTATE_hv (hv); |
2192 | SV *data = newRV_inc ((SV *)hv); |
2462 | SV *data = newRV_inc ((SV *)hv); |
2193 | SV *cb = gensub (aTHX_ coro_rouse_callback, (void *)data); |
2463 | SV *cb = s_gensub (aTHX_ coro_rouse_callback, (void *)data); |
2194 | |
2464 | |
2195 | sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0); |
2465 | sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0); |
2196 | SvREFCNT_dec (data); /* magicext increases the refcount */ |
2466 | SvREFCNT_dec (data); /* magicext increases the refcount */ |
2197 | |
2467 | |
2198 | SvREFCNT_dec (coro->rouse_cb); |
2468 | SvREFCNT_dec (coro->rouse_cb); |
… | |
… | |
2295 | static void |
2565 | static void |
2296 | slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2566 | slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2297 | { |
2567 | { |
2298 | frame->prepare = prepare_cede_notself; |
2568 | frame->prepare = prepare_cede_notself; |
2299 | frame->check = slf_check_nop; |
2569 | frame->check = slf_check_nop; |
|
|
2570 | } |
|
|
2571 | |
|
|
2572 | /* "undo"/cancel a running slf call - used when cancelling a coro, mainly */ |
|
|
2573 | static void |
|
|
2574 | slf_destroy (pTHX_ struct coro *coro) |
|
|
2575 | { |
|
|
2576 | /* this callback is reserved for slf functions needing to do cleanup */ |
|
|
2577 | if (coro->slf_frame.destroy && coro->slf_frame.prepare && !PL_dirty) |
|
|
2578 | coro->slf_frame.destroy (aTHX_ &coro->slf_frame); |
|
|
2579 | |
|
|
2580 | /* |
|
|
2581 | * The on_destroy above most likely is from an SLF call. |
|
|
2582 | * Since by definition the SLF call will not finish when we destroy |
|
|
2583 | * the coro, we will have to force-finish it here, otherwise |
|
|
2584 | * cleanup functions cannot call SLF functions. |
|
|
2585 | */ |
|
|
2586 | coro->slf_frame.prepare = 0; |
2300 | } |
2587 | } |
2301 | |
2588 | |
2302 | /* |
2589 | /* |
2303 | * these not obviously related functions are all rolled into one |
2590 | * these not obviously related functions are all rolled into one |
2304 | * function to increase chances that they all will call transfer with the same |
2591 | * function to increase chances that they all will call transfer with the same |
… | |
… | |
2311 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
2598 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
2312 | |
2599 | |
2313 | /* set up the slf frame, unless it has already been set-up */ |
2600 | /* set up the slf frame, unless it has already been set-up */ |
2314 | /* the latter happens when a new coro has been started */ |
2601 | /* the latter happens when a new coro has been started */ |
2315 | /* or when a new cctx was attached to an existing coroutine */ |
2602 | /* or when a new cctx was attached to an existing coroutine */ |
2316 | if (expect_true (!slf_frame.prepare)) |
2603 | if (ecb_expect_true (!slf_frame.prepare)) |
2317 | { |
2604 | { |
2318 | /* first iteration */ |
2605 | /* first iteration */ |
2319 | dSP; |
2606 | dSP; |
2320 | SV **arg = PL_stack_base + TOPMARK + 1; |
2607 | SV **arg = PL_stack_base + TOPMARK + 1; |
2321 | int items = SP - arg; /* args without function object */ |
2608 | int items = SP - arg; /* args without function object */ |
… | |
… | |
2362 | while (slf_frame.check (aTHX_ &slf_frame)); |
2649 | while (slf_frame.check (aTHX_ &slf_frame)); |
2363 | |
2650 | |
2364 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
2651 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
2365 | |
2652 | |
2366 | /* exception handling */ |
2653 | /* exception handling */ |
2367 | if (expect_false (CORO_THROW)) |
2654 | if (ecb_expect_false (CORO_THROW)) |
2368 | { |
2655 | { |
2369 | SV *exception = sv_2mortal (CORO_THROW); |
2656 | SV *exception = sv_2mortal (CORO_THROW); |
2370 | |
2657 | |
2371 | CORO_THROW = 0; |
2658 | CORO_THROW = 0; |
2372 | sv_setsv (ERRSV, exception); |
2659 | sv_setsv (ERRSV, exception); |
2373 | croak (0); |
2660 | croak (0); |
2374 | } |
2661 | } |
2375 | |
2662 | |
2376 | /* return value handling - mostly like entersub */ |
2663 | /* return value handling - mostly like entersub */ |
2377 | /* make sure we put something on the stack in scalar context */ |
2664 | /* make sure we put something on the stack in scalar context */ |
2378 | if (GIMME_V == G_SCALAR) |
2665 | if (GIMME_V == G_SCALAR |
|
|
2666 | && ecb_expect_false (PL_stack_sp != PL_stack_base + checkmark + 1)) |
2379 | { |
2667 | { |
2380 | dSP; |
2668 | dSP; |
2381 | SV **bot = PL_stack_base + checkmark; |
2669 | SV **bot = PL_stack_base + checkmark; |
2382 | |
2670 | |
2383 | if (sp == bot) /* too few, push undef */ |
2671 | if (sp == bot) /* too few, push undef */ |
2384 | bot [1] = &PL_sv_undef; |
2672 | bot [1] = &PL_sv_undef; |
2385 | else if (sp != bot + 1) /* too many, take last one */ |
2673 | else /* too many, take last one */ |
2386 | bot [1] = *sp; |
2674 | bot [1] = *sp; |
2387 | |
2675 | |
2388 | SP = bot + 1; |
2676 | SP = bot + 1; |
2389 | |
2677 | |
2390 | PUTBACK; |
2678 | PUTBACK; |
… | |
… | |
2423 | if (PL_op->op_flags & OPf_STACKED) |
2711 | if (PL_op->op_flags & OPf_STACKED) |
2424 | { |
2712 | { |
2425 | if (items > slf_arga) |
2713 | if (items > slf_arga) |
2426 | { |
2714 | { |
2427 | slf_arga = items; |
2715 | slf_arga = items; |
2428 | free (slf_argv); |
2716 | Safefree (slf_argv); |
2429 | slf_argv = malloc (slf_arga * sizeof (SV *)); |
2717 | New (0, slf_argv, slf_arga, SV *); |
2430 | } |
2718 | } |
2431 | |
2719 | |
2432 | slf_argc = items; |
2720 | slf_argc = items; |
2433 | |
2721 | |
2434 | for (i = 0; i < items; ++i) |
2722 | for (i = 0; i < items; ++i) |
… | |
… | |
2497 | { |
2785 | { |
2498 | PerlIOBuf base; |
2786 | PerlIOBuf base; |
2499 | NV next, every; |
2787 | NV next, every; |
2500 | } PerlIOCede; |
2788 | } PerlIOCede; |
2501 | |
2789 | |
2502 | static IV |
2790 | static IV ecb_cold |
2503 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
2791 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
2504 | { |
2792 | { |
2505 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2793 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2506 | |
2794 | |
2507 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
2795 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
2508 | self->next = nvtime () + self->every; |
2796 | self->next = nvtime () + self->every; |
2509 | |
2797 | |
2510 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
2798 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
2511 | } |
2799 | } |
2512 | |
2800 | |
2513 | static SV * |
2801 | static SV * ecb_cold |
2514 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
2802 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
2515 | { |
2803 | { |
2516 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2804 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2517 | |
2805 | |
2518 | return newSVnv (self->every); |
2806 | return newSVnv (self->every); |
… | |
… | |
2630 | SvREFCNT_dec (cb); |
2918 | SvREFCNT_dec (cb); |
2631 | } |
2919 | } |
2632 | } |
2920 | } |
2633 | |
2921 | |
2634 | static void |
2922 | static void |
2635 | coro_semaphore_on_destroy (pTHX_ struct coro *coro) |
2923 | coro_semaphore_destroy (pTHX_ struct CoroSLF *frame) |
2636 | { |
2924 | { |
2637 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
2925 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
2638 | coro_semaphore_adjust (aTHX_ (AV *)coro->slf_frame.data, 0); |
2926 | coro_semaphore_adjust (aTHX_ (AV *)frame->data, 0); |
2639 | } |
2927 | } |
2640 | |
2928 | |
2641 | static int |
2929 | static int |
2642 | slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire) |
2930 | slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire) |
2643 | { |
2931 | { |
2644 | AV *av = (AV *)frame->data; |
2932 | AV *av = (AV *)frame->data; |
2645 | SV *count_sv = AvARRAY (av)[0]; |
2933 | SV *count_sv = AvARRAY (av)[0]; |
|
|
2934 | SV *coro_hv = SvRV (coro_current); |
2646 | |
2935 | |
2647 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2936 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2648 | if (CORO_THROW) |
2937 | if (CORO_THROW) |
2649 | return 0; |
2938 | return 0; |
2650 | else if (SvIVX (count_sv) > 0) |
2939 | else if (SvIVX (count_sv) > 0) |
2651 | { |
2940 | { |
2652 | SvSTATE_current->on_destroy = 0; |
2941 | frame->destroy = 0; |
2653 | |
2942 | |
2654 | if (acquire) |
2943 | if (acquire) |
2655 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2944 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2656 | else |
2945 | else |
2657 | coro_semaphore_adjust (aTHX_ av, 0); |
2946 | coro_semaphore_adjust (aTHX_ av, 0); |
… | |
… | |
2662 | { |
2951 | { |
2663 | int i; |
2952 | int i; |
2664 | /* if we were woken up but can't down, we look through the whole */ |
2953 | /* if we were woken up but can't down, we look through the whole */ |
2665 | /* waiters list and only add us if we aren't in there already */ |
2954 | /* waiters list and only add us if we aren't in there already */ |
2666 | /* this avoids some degenerate memory usage cases */ |
2955 | /* this avoids some degenerate memory usage cases */ |
2667 | |
2956 | for (i = AvFILLp (av); i > 0; --i) // i > 0 is not an off-by-one bug |
2668 | for (i = 1; i <= AvFILLp (av); ++i) |
|
|
2669 | if (AvARRAY (av)[i] == SvRV (coro_current)) |
2957 | if (AvARRAY (av)[i] == coro_hv) |
2670 | return 1; |
2958 | return 1; |
2671 | |
2959 | |
2672 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2960 | av_push (av, SvREFCNT_inc (coro_hv)); |
2673 | return 1; |
2961 | return 1; |
2674 | } |
2962 | } |
2675 | } |
2963 | } |
2676 | |
2964 | |
2677 | static int |
2965 | static int |
… | |
… | |
2700 | { |
2988 | { |
2701 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2989 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2702 | |
2990 | |
2703 | frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); |
2991 | frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); |
2704 | frame->prepare = prepare_schedule; |
2992 | frame->prepare = prepare_schedule; |
2705 | |
|
|
2706 | /* to avoid race conditions when a woken-up coro gets terminated */ |
2993 | /* to avoid race conditions when a woken-up coro gets terminated */ |
2707 | /* we arrange for a temporary on_destroy that calls adjust (0) */ |
2994 | /* we arrange for a temporary on_destroy that calls adjust (0) */ |
2708 | SvSTATE_current->on_destroy = coro_semaphore_on_destroy; |
2995 | frame->destroy = coro_semaphore_destroy; |
2709 | } |
2996 | } |
2710 | } |
2997 | } |
2711 | |
2998 | |
2712 | static void |
2999 | static void |
2713 | slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
3000 | slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
… | |
… | |
2721 | { |
3008 | { |
2722 | if (items >= 2) |
3009 | if (items >= 2) |
2723 | { |
3010 | { |
2724 | /* callback form */ |
3011 | /* callback form */ |
2725 | AV *av = (AV *)SvRV (arg [0]); |
3012 | AV *av = (AV *)SvRV (arg [0]); |
2726 | CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]); |
3013 | SV *cb_cv = s_get_cv_croak (arg [1]); |
2727 | |
3014 | |
2728 | av_push (av, SvREFCNT_inc_NN (cb_cv)); |
3015 | av_push (av, SvREFCNT_inc_NN (cb_cv)); |
2729 | |
3016 | |
2730 | if (SvIVX (AvARRAY (av)[0]) > 0) |
3017 | if (SvIVX (AvARRAY (av)[0]) > 0) |
2731 | coro_semaphore_adjust (aTHX_ av, 0); |
3018 | coro_semaphore_adjust (aTHX_ av, 0); |
… | |
… | |
2791 | { |
3078 | { |
2792 | AV *av = (AV *)SvRV (arg [0]); |
3079 | AV *av = (AV *)SvRV (arg [0]); |
2793 | |
3080 | |
2794 | if (items >= 2) |
3081 | if (items >= 2) |
2795 | { |
3082 | { |
2796 | CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]); |
3083 | SV *cb_cv = s_get_cv_croak (arg [1]); |
2797 | av_push (av, SvREFCNT_inc_NN (cb_cv)); |
3084 | av_push (av, SvREFCNT_inc_NN (cb_cv)); |
2798 | |
3085 | |
2799 | if (SvIVX (AvARRAY (av)[0])) |
3086 | if (SvIVX (AvARRAY (av)[0])) |
2800 | coro_signal_wake (aTHX_ av, 1); /* ust be the only waiter */ |
3087 | coro_signal_wake (aTHX_ av, 1); /* must be the only waiter */ |
2801 | |
3088 | |
2802 | frame->prepare = prepare_nop; |
3089 | frame->prepare = prepare_nop; |
2803 | frame->check = slf_check_nop; |
3090 | frame->check = slf_check_nop; |
2804 | } |
3091 | } |
2805 | else if (SvIVX (AvARRAY (av)[0])) |
3092 | else if (SvIVX (AvARRAY (av)[0])) |
… | |
… | |
2836 | |
3123 | |
2837 | static void |
3124 | static void |
2838 | coro_aio_callback (pTHX_ CV *cv) |
3125 | coro_aio_callback (pTHX_ CV *cv) |
2839 | { |
3126 | { |
2840 | dXSARGS; |
3127 | dXSARGS; |
2841 | AV *state = (AV *)GENSUB_ARG; |
3128 | AV *state = (AV *)S_GENSUB_ARG; |
2842 | SV *coro = av_pop (state); |
3129 | SV *coro = av_pop (state); |
2843 | SV *data_sv = newSV (sizeof (struct io_state)); |
3130 | SV *data_sv = newSV (sizeof (struct io_state)); |
2844 | |
3131 | |
2845 | av_extend (state, items - 1); |
3132 | av_extend (state, items - 1); |
2846 | |
3133 | |
… | |
… | |
2931 | dSP; |
3218 | dSP; |
2932 | |
3219 | |
2933 | static SV *prio_cv; |
3220 | static SV *prio_cv; |
2934 | static SV *prio_sv; |
3221 | static SV *prio_sv; |
2935 | |
3222 | |
2936 | if (expect_false (!prio_cv)) |
3223 | if (ecb_expect_false (!prio_cv)) |
2937 | { |
3224 | { |
2938 | prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0); |
3225 | prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0); |
2939 | prio_sv = newSViv (0); |
3226 | prio_sv = newSViv (0); |
2940 | } |
3227 | } |
2941 | |
3228 | |
… | |
… | |
2960 | |
3247 | |
2961 | for (i = 0; i < items; ++i) |
3248 | for (i = 0; i < items; ++i) |
2962 | PUSHs (arg [i]); |
3249 | PUSHs (arg [i]); |
2963 | |
3250 | |
2964 | /* now push the callback closure */ |
3251 | /* now push the callback closure */ |
2965 | PUSHs (sv_2mortal (gensub (aTHX_ coro_aio_callback, (void *)SvREFCNT_inc_NN ((SV *)state)))); |
3252 | PUSHs (sv_2mortal (s_gensub (aTHX_ coro_aio_callback, (void *)SvREFCNT_inc_NN ((SV *)state)))); |
2966 | |
3253 | |
2967 | /* now call the AIO function - we assume our request is uncancelable */ |
3254 | /* now call the AIO function - we assume our request is uncancelable */ |
2968 | PUTBACK; |
3255 | PUTBACK; |
2969 | call_sv ((SV *)req, G_VOID | G_DISCARD); |
3256 | call_sv ((SV *)req, G_VOID | G_DISCARD); |
2970 | } |
3257 | } |
2971 | |
3258 | |
2972 | /* now that the requets is going, we loop toll we have a result */ |
3259 | /* now that the request is going, we loop till we have a result */ |
2973 | frame->data = (void *)state; |
3260 | frame->data = (void *)state; |
2974 | frame->prepare = prepare_schedule; |
3261 | frame->prepare = prepare_schedule; |
2975 | frame->check = slf_check_aio_req; |
3262 | frame->check = slf_check_aio_req; |
2976 | } |
3263 | } |
2977 | |
3264 | |
… | |
… | |
2987 | |
3274 | |
2988 | /*****************************************************************************/ |
3275 | /*****************************************************************************/ |
2989 | |
3276 | |
2990 | #if CORO_CLONE |
3277 | #if CORO_CLONE |
2991 | # include "clone.c" |
3278 | # include "clone.c" |
|
|
3279 | #endif |
|
|
3280 | |
|
|
3281 | /*****************************************************************************/ |
|
|
3282 | |
|
|
3283 | static SV * |
|
|
3284 | coro_new (pTHX_ HV *stash, SV **argv, int argc, int is_coro) |
|
|
3285 | { |
|
|
3286 | SV *coro_sv; |
|
|
3287 | struct coro *coro; |
|
|
3288 | MAGIC *mg; |
|
|
3289 | HV *hv; |
|
|
3290 | SV *cb; |
|
|
3291 | int i; |
|
|
3292 | |
|
|
3293 | if (argc > 0) |
|
|
3294 | { |
|
|
3295 | cb = s_get_cv_croak (argv [0]); |
|
|
3296 | |
|
|
3297 | if (!is_coro) |
|
|
3298 | { |
|
|
3299 | if (CvISXSUB (cb)) |
|
|
3300 | croak ("Coro::State doesn't support XS functions as coroutine start, caught"); |
|
|
3301 | |
|
|
3302 | if (!CvROOT (cb)) |
|
|
3303 | croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught"); |
|
|
3304 | } |
|
|
3305 | } |
|
|
3306 | |
|
|
3307 | Newz (0, coro, 1, struct coro); |
|
|
3308 | coro->args = newAV (); |
|
|
3309 | coro->flags = CF_NEW; |
|
|
3310 | |
|
|
3311 | if (coro_first) coro_first->prev = coro; |
|
|
3312 | coro->next = coro_first; |
|
|
3313 | coro_first = coro; |
|
|
3314 | |
|
|
3315 | coro->hv = hv = newHV (); |
|
|
3316 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
|
|
3317 | mg->mg_flags |= MGf_DUP; |
|
|
3318 | coro_sv = sv_bless (newRV_noinc ((SV *)hv), stash); |
|
|
3319 | |
|
|
3320 | if (argc > 0) |
|
|
3321 | { |
|
|
3322 | av_extend (coro->args, argc + is_coro - 1); |
|
|
3323 | |
|
|
3324 | if (is_coro) |
|
|
3325 | { |
|
|
3326 | av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb)); |
|
|
3327 | cb = (SV *)cv_coro_run; |
|
|
3328 | } |
|
|
3329 | |
|
|
3330 | coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb); |
|
|
3331 | |
|
|
3332 | for (i = 1; i < argc; i++) |
|
|
3333 | av_push (coro->args, newSVsv (argv [i])); |
|
|
3334 | } |
|
|
3335 | |
|
|
3336 | return coro_sv; |
|
|
3337 | } |
|
|
3338 | |
|
|
3339 | #ifndef __cplusplus |
|
|
3340 | ecb_cold XS(boot_Coro__State); |
|
|
3341 | #endif |
|
|
3342 | |
|
|
3343 | #if CORO_JIT |
|
|
3344 | |
|
|
3345 | static void ecb_noinline ecb_cold |
|
|
3346 | pushav_3uv (pTHX_ UV a, UV b, UV c) |
|
|
3347 | { |
|
|
3348 | dSP; |
|
|
3349 | AV *av = newAV (); |
|
|
3350 | |
|
|
3351 | av_store (av, 2, newSVuv (c)); |
|
|
3352 | av_store (av, 1, newSVuv (b)); |
|
|
3353 | av_store (av, 0, newSVuv (a)); |
|
|
3354 | |
|
|
3355 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
3356 | |
|
|
3357 | PUTBACK; |
|
|
3358 | } |
|
|
3359 | |
|
|
3360 | static void ecb_noinline ecb_cold |
|
|
3361 | jit_init (pTHX) |
|
|
3362 | { |
|
|
3363 | dSP; |
|
|
3364 | SV *load, *save; |
|
|
3365 | char *map_base; |
|
|
3366 | char *load_ptr, *save_ptr; |
|
|
3367 | STRLEN load_len, save_len; |
|
|
3368 | int count; |
|
|
3369 | |
|
|
3370 | eval_pv ("require 'Coro/jit-" CORO_JIT_TYPE ".pl'", 1); |
|
|
3371 | |
|
|
3372 | PUSHMARK (SP); |
|
|
3373 | #define VARx(name,expr,type) pushav_3uv (aTHX_ (UV)&(expr), offsetof (perl_slots, name), sizeof (type)); |
|
|
3374 | # include "state.h" |
|
|
3375 | #undef VARx |
|
|
3376 | count = call_pv ("Coro::State::_jit", G_ARRAY); |
|
|
3377 | SPAGAIN; |
|
|
3378 | |
|
|
3379 | save = POPs; save_ptr = SvPVbyte (save, save_len); |
|
|
3380 | load = POPs; load_ptr = SvPVbyte (load, load_len); |
|
|
3381 | |
|
|
3382 | map_base = mmap (0, load_len + save_len + 16, PROT_EXEC | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); |
|
|
3383 | |
|
|
3384 | assert (("Coro: unable to mmap jit code page, cannot continue.", map_base != (char *)MAP_FAILED)); |
|
|
3385 | |
|
|
3386 | load_perl_slots = (load_save_perl_slots_type)map_base; |
|
|
3387 | memcpy (map_base, load_ptr, load_len); |
|
|
3388 | |
|
|
3389 | map_base += (load_len + 15) & ~15; |
|
|
3390 | |
|
|
3391 | save_perl_slots = (load_save_perl_slots_type)map_base; |
|
|
3392 | memcpy (map_base, save_ptr, save_len); |
|
|
3393 | |
|
|
3394 | PUTBACK; |
|
|
3395 | eval_pv ("undef &Coro::State::_jit", 1); |
|
|
3396 | } |
|
|
3397 | |
2992 | #endif |
3398 | #endif |
2993 | |
3399 | |
2994 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
3400 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
2995 | |
3401 | |
2996 | PROTOTYPES: DISABLE |
3402 | PROTOTYPES: DISABLE |
… | |
… | |
3002 | coro_thx = PERL_GET_CONTEXT; |
3408 | coro_thx = PERL_GET_CONTEXT; |
3003 | # endif |
3409 | # endif |
3004 | #endif |
3410 | #endif |
3005 | BOOT_PAGESIZE; |
3411 | BOOT_PAGESIZE; |
3006 | |
3412 | |
|
|
3413 | /* perl defines these to check for existance first, but why it doesn't */ |
|
|
3414 | /* just create them one at init time is not clear to me, except for */ |
|
|
3415 | /* programs trying to delete them, but... */ |
|
|
3416 | /* anyway, we declare this as invalid and make sure they are initialised here */ |
|
|
3417 | DEFSV; |
|
|
3418 | ERRSV; |
|
|
3419 | |
3007 | cctx_current = cctx_new_empty (); |
3420 | cctx_current = cctx_new_empty (); |
3008 | |
3421 | |
3009 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3422 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3010 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3423 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3011 | |
3424 | |
… | |
… | |
3050 | coroapi.prepare_nop = prepare_nop; |
3463 | coroapi.prepare_nop = prepare_nop; |
3051 | coroapi.prepare_schedule = prepare_schedule; |
3464 | coroapi.prepare_schedule = prepare_schedule; |
3052 | coroapi.prepare_cede = prepare_cede; |
3465 | coroapi.prepare_cede = prepare_cede; |
3053 | coroapi.prepare_cede_notself = prepare_cede_notself; |
3466 | coroapi.prepare_cede_notself = prepare_cede_notself; |
3054 | |
3467 | |
3055 | { |
3468 | time_init (aTHX); |
3056 | SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
|
|
3057 | |
|
|
3058 | if (!svp) croak ("Time::HiRes is required"); |
|
|
3059 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer"); |
|
|
3060 | |
|
|
3061 | nvtime = INT2PTR (double (*)(), SvIV (*svp)); |
|
|
3062 | |
|
|
3063 | svp = hv_fetch (PL_modglobal, "Time::U2time", 12, 0); |
|
|
3064 | u2time = INT2PTR (double (*)(), SvIV (*svp)); |
|
|
3065 | } |
|
|
3066 | |
3469 | |
3067 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
3470 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
|
|
3471 | #if CORO_JIT |
|
|
3472 | PUTBACK; |
|
|
3473 | jit_init (aTHX); |
|
|
3474 | SPAGAIN; |
|
|
3475 | #endif |
3068 | } |
3476 | } |
3069 | |
3477 | |
3070 | SV * |
3478 | SV * |
3071 | new (char *klass, ...) |
3479 | new (SV *klass, ...) |
3072 | ALIAS: |
3480 | ALIAS: |
3073 | Coro::new = 1 |
3481 | Coro::new = 1 |
3074 | CODE: |
3482 | CODE: |
3075 | { |
3483 | RETVAL = coro_new (aTHX_ ix ? coro_stash : coro_state_stash, &ST (1), items - 1, ix); |
3076 | struct coro *coro; |
3484 | OUTPUT: |
3077 | MAGIC *mg; |
|
|
3078 | HV *hv; |
|
|
3079 | CV *cb; |
|
|
3080 | int i; |
|
|
3081 | |
|
|
3082 | if (items > 1) |
|
|
3083 | { |
|
|
3084 | cb = coro_sv_2cv (aTHX_ ST (1)); |
|
|
3085 | |
|
|
3086 | if (!ix) |
|
|
3087 | { |
|
|
3088 | if (CvISXSUB (cb)) |
|
|
3089 | croak ("Coro::State doesn't support XS functions as coroutine start, caught"); |
|
|
3090 | |
|
|
3091 | if (!CvROOT (cb)) |
|
|
3092 | croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught"); |
|
|
3093 | } |
|
|
3094 | } |
|
|
3095 | |
|
|
3096 | Newz (0, coro, 1, struct coro); |
|
|
3097 | coro->args = newAV (); |
|
|
3098 | coro->flags = CF_NEW; |
|
|
3099 | |
|
|
3100 | if (coro_first) coro_first->prev = coro; |
|
|
3101 | coro->next = coro_first; |
|
|
3102 | coro_first = coro; |
|
|
3103 | |
|
|
3104 | coro->hv = hv = newHV (); |
|
|
3105 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
|
|
3106 | mg->mg_flags |= MGf_DUP; |
|
|
3107 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
|
|
3108 | |
|
|
3109 | if (items > 1) |
|
|
3110 | { |
|
|
3111 | av_extend (coro->args, items - 1 + ix - 1); |
|
|
3112 | |
|
|
3113 | if (ix) |
|
|
3114 | { |
|
|
3115 | av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb)); |
|
|
3116 | cb = cv_coro_run; |
|
|
3117 | } |
|
|
3118 | |
|
|
3119 | coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb); |
|
|
3120 | |
|
|
3121 | for (i = 2; i < items; i++) |
|
|
3122 | av_push (coro->args, newSVsv (ST (i))); |
|
|
3123 | } |
|
|
3124 | } |
|
|
3125 | OUTPUT: |
|
|
3126 | RETVAL |
3485 | RETVAL |
3127 | |
3486 | |
3128 | void |
3487 | void |
3129 | transfer (...) |
3488 | transfer (...) |
3130 | PROTOTYPE: $$ |
3489 | PROTOTYPE: $$ |
3131 | CODE: |
3490 | CODE: |
3132 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3491 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3133 | |
|
|
3134 | bool |
|
|
3135 | _destroy (SV *coro_sv) |
|
|
3136 | CODE: |
|
|
3137 | RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv)); |
|
|
3138 | OUTPUT: |
|
|
3139 | RETVAL |
|
|
3140 | |
3492 | |
3141 | void |
3493 | void |
3142 | _exit (int code) |
3494 | _exit (int code) |
3143 | PROTOTYPE: $ |
3495 | PROTOTYPE: $ |
3144 | CODE: |
3496 | CODE: |
… | |
… | |
3220 | CODE: |
3572 | CODE: |
3221 | { |
3573 | { |
3222 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
3574 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
3223 | { |
3575 | { |
3224 | struct coro *current = SvSTATE_current; |
3576 | struct coro *current = SvSTATE_current; |
|
|
3577 | struct CoroSLF slf_save; |
3225 | |
3578 | |
3226 | if (current != coro) |
3579 | if (current != coro) |
3227 | { |
3580 | { |
3228 | PUTBACK; |
3581 | PUTBACK; |
3229 | save_perl (aTHX_ current); |
3582 | save_perl (aTHX_ current); |
3230 | load_perl (aTHX_ coro); |
3583 | load_perl (aTHX_ coro); |
|
|
3584 | /* the coro is most likely in an active SLF call. |
|
|
3585 | * while not strictly required (the code we execute is |
|
|
3586 | * not allowed to call any SLF functions), it's cleaner |
|
|
3587 | * to reinitialise the slf_frame and restore it later. |
|
|
3588 | * This might one day allow us to actually do SLF calls |
|
|
3589 | * from code executed here. |
|
|
3590 | */ |
|
|
3591 | slf_save = slf_frame; |
|
|
3592 | slf_frame.prepare = 0; |
3231 | SPAGAIN; |
3593 | SPAGAIN; |
3232 | } |
3594 | } |
3233 | |
3595 | |
3234 | PUSHSTACK; |
3596 | PUSHSTACK; |
3235 | |
3597 | |
… | |
… | |
3245 | SPAGAIN; |
3607 | SPAGAIN; |
3246 | |
3608 | |
3247 | if (current != coro) |
3609 | if (current != coro) |
3248 | { |
3610 | { |
3249 | PUTBACK; |
3611 | PUTBACK; |
|
|
3612 | slf_frame = slf_save; |
3250 | save_perl (aTHX_ coro); |
3613 | save_perl (aTHX_ coro); |
3251 | load_perl (aTHX_ current); |
3614 | load_perl (aTHX_ current); |
3252 | SPAGAIN; |
3615 | SPAGAIN; |
3253 | } |
3616 | } |
3254 | } |
3617 | } |
… | |
… | |
3259 | PROTOTYPE: $ |
3622 | PROTOTYPE: $ |
3260 | ALIAS: |
3623 | ALIAS: |
3261 | is_ready = CF_READY |
3624 | is_ready = CF_READY |
3262 | is_running = CF_RUNNING |
3625 | is_running = CF_RUNNING |
3263 | is_new = CF_NEW |
3626 | is_new = CF_NEW |
3264 | is_destroyed = CF_DESTROYED |
3627 | is_destroyed = CF_ZOMBIE |
|
|
3628 | is_zombie = CF_ZOMBIE |
3265 | is_suspended = CF_SUSPENDED |
3629 | is_suspended = CF_SUSPENDED |
3266 | CODE: |
3630 | CODE: |
3267 | RETVAL = boolSV (coro->flags & ix); |
3631 | RETVAL = boolSV (coro->flags & ix); |
3268 | OUTPUT: |
3632 | OUTPUT: |
3269 | RETVAL |
3633 | RETVAL |
3270 | |
3634 | |
3271 | void |
3635 | void |
3272 | throw (Coro::State self, SV *throw = &PL_sv_undef) |
3636 | throw (Coro::State self, SV *exception = &PL_sv_undef) |
3273 | PROTOTYPE: $;$ |
3637 | PROTOTYPE: $;$ |
3274 | CODE: |
3638 | CODE: |
3275 | { |
3639 | { |
3276 | struct coro *current = SvSTATE_current; |
3640 | struct coro *current = SvSTATE_current; |
3277 | SV **throwp = self == current ? &CORO_THROW : &self->except; |
3641 | SV **exceptionp = self == current ? &CORO_THROW : &self->except; |
3278 | SvREFCNT_dec (*throwp); |
3642 | SvREFCNT_dec (*exceptionp); |
3279 | SvGETMAGIC (throw); |
3643 | SvGETMAGIC (exception); |
3280 | *throwp = SvOK (throw) ? newSVsv (throw) : 0; |
3644 | *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; |
3281 | } |
3645 | } |
3282 | |
3646 | |
3283 | void |
3647 | void |
3284 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3648 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3285 | PROTOTYPE: $;$ |
3649 | PROTOTYPE: $;$ |
… | |
… | |
3340 | |
3704 | |
3341 | void |
3705 | void |
3342 | cancel (Coro::State self) |
3706 | cancel (Coro::State self) |
3343 | CODE: |
3707 | CODE: |
3344 | coro_state_destroy (aTHX_ self); |
3708 | coro_state_destroy (aTHX_ self); |
3345 | coro_call_on_destroy (aTHX_ self); /* actually only for Coro objects */ |
|
|
3346 | |
|
|
3347 | |
3709 | |
3348 | SV * |
3710 | SV * |
3349 | enable_times (int enabled = enable_times) |
3711 | enable_times (int enabled = enable_times) |
3350 | CODE: |
3712 | CODE: |
3351 | { |
3713 | { |
… | |
… | |
3366 | times (Coro::State self) |
3728 | times (Coro::State self) |
3367 | PPCODE: |
3729 | PPCODE: |
3368 | { |
3730 | { |
3369 | struct coro *current = SvSTATE (coro_current); |
3731 | struct coro *current = SvSTATE (coro_current); |
3370 | |
3732 | |
3371 | if (expect_false (current == self)) |
3733 | if (ecb_expect_false (current == self)) |
3372 | { |
3734 | { |
3373 | coro_times_update (); |
3735 | coro_times_update (); |
3374 | coro_times_add (SvSTATE (coro_current)); |
3736 | coro_times_add (SvSTATE (coro_current)); |
3375 | } |
3737 | } |
3376 | |
3738 | |
3377 | EXTEND (SP, 2); |
3739 | EXTEND (SP, 2); |
3378 | PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9))); |
3740 | PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9))); |
3379 | PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9))); |
3741 | PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9))); |
3380 | |
3742 | |
3381 | if (expect_false (current == self)) |
3743 | if (ecb_expect_false (current == self)) |
3382 | coro_times_sub (SvSTATE (coro_current)); |
3744 | coro_times_sub (SvSTATE (coro_current)); |
3383 | } |
3745 | } |
|
|
3746 | |
|
|
3747 | void |
|
|
3748 | swap_sv (Coro::State coro, SV *sv, SV *swapsv) |
|
|
3749 | CODE: |
|
|
3750 | { |
|
|
3751 | struct coro *current = SvSTATE_current; |
|
|
3752 | |
|
|
3753 | if (current == coro) |
|
|
3754 | SWAP_SVS (current); |
|
|
3755 | |
|
|
3756 | if (!coro->swap_sv) |
|
|
3757 | coro->swap_sv = newAV (); |
|
|
3758 | |
|
|
3759 | av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (sv ))); |
|
|
3760 | av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (swapsv))); |
|
|
3761 | |
|
|
3762 | if (current == coro) |
|
|
3763 | SWAP_SVS (current); |
|
|
3764 | } |
|
|
3765 | |
3384 | |
3766 | |
3385 | MODULE = Coro::State PACKAGE = Coro |
3767 | MODULE = Coro::State PACKAGE = Coro |
3386 | |
3768 | |
3387 | BOOT: |
3769 | BOOT: |
3388 | { |
3770 | { |
3389 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3771 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3390 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3772 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3391 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
3773 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
3392 | cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD); |
|
|
3393 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
3774 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
3394 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
3775 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
3395 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
3776 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
3396 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
3777 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
3397 | sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); |
3778 | sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); |
3398 | |
3779 | |
3399 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3780 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3400 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
3781 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
3401 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
3782 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
3402 | cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new); |
3783 | CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */ |
3403 | |
3784 | |
3404 | coro_stash = gv_stashpv ("Coro", TRUE); |
3785 | coro_stash = gv_stashpv ("Coro", TRUE); |
3405 | |
3786 | |
3406 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
3787 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
3407 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
3788 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
3408 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL)); |
3789 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL)); |
… | |
… | |
3426 | sv_setiv (sv, (IV)&coroapi); |
3807 | sv_setiv (sv, (IV)&coroapi); |
3427 | SvREADONLY_on (sv); |
3808 | SvREADONLY_on (sv); |
3428 | } |
3809 | } |
3429 | } |
3810 | } |
3430 | |
3811 | |
|
|
3812 | SV * |
|
|
3813 | async (...) |
|
|
3814 | PROTOTYPE: &@ |
|
|
3815 | CODE: |
|
|
3816 | RETVAL = coro_new (aTHX_ coro_stash, &ST (0), items, 1); |
|
|
3817 | api_ready (aTHX_ RETVAL); |
|
|
3818 | OUTPUT: |
|
|
3819 | RETVAL |
|
|
3820 | |
|
|
3821 | void |
|
|
3822 | _destroy (Coro::State coro) |
|
|
3823 | CODE: |
|
|
3824 | /* used by the manager thread */ |
|
|
3825 | coro_state_destroy (aTHX_ coro); |
|
|
3826 | |
|
|
3827 | void |
|
|
3828 | on_destroy (Coro::State coro, SV *cb) |
|
|
3829 | CODE: |
|
|
3830 | coro_push_on_destroy (aTHX_ coro, newSVsv (cb)); |
|
|
3831 | |
|
|
3832 | void |
|
|
3833 | join (...) |
|
|
3834 | CODE: |
|
|
3835 | CORO_EXECUTE_SLF_XS (slf_init_join); |
|
|
3836 | |
3431 | void |
3837 | void |
3432 | terminate (...) |
3838 | terminate (...) |
3433 | CODE: |
3839 | CODE: |
3434 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
3840 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
|
|
3841 | |
|
|
3842 | void |
|
|
3843 | cancel (...) |
|
|
3844 | CODE: |
|
|
3845 | CORO_EXECUTE_SLF_XS (slf_init_cancel); |
|
|
3846 | |
|
|
3847 | int |
|
|
3848 | safe_cancel (Coro::State self, ...) |
|
|
3849 | C_ARGS: aTHX_ self, &ST (1), items - 1 |
3435 | |
3850 | |
3436 | void |
3851 | void |
3437 | schedule (...) |
3852 | schedule (...) |
3438 | CODE: |
3853 | CODE: |
3439 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
3854 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
… | |
… | |
3469 | _set_readyhook (SV *hook) |
3884 | _set_readyhook (SV *hook) |
3470 | PROTOTYPE: $ |
3885 | PROTOTYPE: $ |
3471 | CODE: |
3886 | CODE: |
3472 | SvREFCNT_dec (coro_readyhook); |
3887 | SvREFCNT_dec (coro_readyhook); |
3473 | SvGETMAGIC (hook); |
3888 | SvGETMAGIC (hook); |
|
|
3889 | if (SvOK (hook)) |
|
|
3890 | { |
3474 | coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0; |
3891 | coro_readyhook = newSVsv (hook); |
|
|
3892 | CORO_READYHOOK = invoke_sv_ready_hook_helper; |
|
|
3893 | } |
|
|
3894 | else |
|
|
3895 | { |
|
|
3896 | coro_readyhook = 0; |
|
|
3897 | CORO_READYHOOK = 0; |
|
|
3898 | } |
3475 | |
3899 | |
3476 | int |
3900 | int |
3477 | prio (Coro::State coro, int newprio = 0) |
3901 | prio (Coro::State coro, int newprio = 0) |
3478 | PROTOTYPE: $;$ |
3902 | PROTOTYPE: $;$ |
3479 | ALIAS: |
3903 | ALIAS: |
… | |
… | |
3543 | for (i = 1; i < items; ++i) |
3967 | for (i = 1; i < items; ++i) |
3544 | av_push (av, SvREFCNT_inc_NN (ST (i))); |
3968 | av_push (av, SvREFCNT_inc_NN (ST (i))); |
3545 | |
3969 | |
3546 | if ((SV *)hv == &PL_sv_undef) |
3970 | if ((SV *)hv == &PL_sv_undef) |
3547 | { |
3971 | { |
3548 | PUSHMARK (SP); |
3972 | SV *sv = coro_new (aTHX_ coro_stash, (SV **)&cv_pool_handler, 1, 1); |
3549 | EXTEND (SP, 2); |
|
|
3550 | PUSHs (sv_Coro); |
|
|
3551 | PUSHs ((SV *)cv_pool_handler); |
|
|
3552 | PUTBACK; |
|
|
3553 | call_sv ((SV *)cv_coro_state_new, G_SCALAR); |
|
|
3554 | SPAGAIN; |
|
|
3555 | |
|
|
3556 | hv = (HV *)SvREFCNT_inc_NN (SvRV (POPs)); |
3973 | hv = (HV *)SvREFCNT_inc_NN (SvRV (sv)); |
|
|
3974 | SvREFCNT_dec (sv); |
3557 | } |
3975 | } |
3558 | |
3976 | |
3559 | { |
3977 | { |
3560 | struct coro *coro = SvSTATE_hv (hv); |
3978 | struct coro *coro = SvSTATE_hv (hv); |
3561 | |
3979 | |
… | |
… | |
3595 | CODE: |
4013 | CODE: |
3596 | { |
4014 | { |
3597 | struct coro *coro = SvSTATE_current; |
4015 | struct coro *coro = SvSTATE_current; |
3598 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
4016 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
3599 | |
4017 | |
3600 | block = (SV *)coro_sv_2cv (aTHX_ block); |
4018 | block = s_get_cv_croak (block); |
3601 | |
4019 | |
3602 | if (!*avp) |
4020 | if (!*avp) |
3603 | *avp = newAV (); |
4021 | *avp = newAV (); |
3604 | |
4022 | |
3605 | av_push (*avp, SvREFCNT_inc (block)); |
4023 | av_push (*avp, SvREFCNT_inc (block)); |
… | |
… | |
3805 | |
4223 | |
3806 | void |
4224 | void |
3807 | _register (char *target, char *proto, SV *req) |
4225 | _register (char *target, char *proto, SV *req) |
3808 | CODE: |
4226 | CODE: |
3809 | { |
4227 | { |
3810 | CV *req_cv = coro_sv_2cv (aTHX_ req); |
4228 | SV *req_cv = s_get_cv_croak (req); |
3811 | /* newXSproto doesn't return the CV on 5.8 */ |
4229 | /* newXSproto doesn't return the CV on 5.8 */ |
3812 | CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__); |
4230 | CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__); |
3813 | sv_setpv ((SV *)slf_cv, proto); |
4231 | sv_setpv ((SV *)slf_cv, proto); |
3814 | sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0); |
4232 | sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0); |
3815 | } |
4233 | } |
3816 | |
4234 | |
|
|
4235 | MODULE = Coro::State PACKAGE = Coro::Select |
|
|
4236 | |
|
|
4237 | void |
|
|
4238 | patch_pp_sselect () |
|
|
4239 | CODE: |
|
|
4240 | if (!coro_old_pp_sselect) |
|
|
4241 | { |
|
|
4242 | coro_select_select = (SV *)get_cv ("Coro::Select::select", 0); |
|
|
4243 | coro_old_pp_sselect = PL_ppaddr [OP_SSELECT]; |
|
|
4244 | PL_ppaddr [OP_SSELECT] = coro_pp_sselect; |
|
|
4245 | } |
|
|
4246 | |
|
|
4247 | void |
|
|
4248 | unpatch_pp_sselect () |
|
|
4249 | CODE: |
|
|
4250 | if (coro_old_pp_sselect) |
|
|
4251 | { |
|
|
4252 | PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; |
|
|
4253 | coro_old_pp_sselect = 0; |
|
|
4254 | } |
|
|
4255 | |