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1 | /* this works around a bug in mingw32 providing a non-working setjmp */ |
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2 | #define USE_NO_MINGW_SETJMP_TWO_ARGS |
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3 | |
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4 | #define NDEBUG 1 |
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5 | |
1 | #include "libcoro/coro.c" |
6 | #include "libcoro/coro.c" |
2 | |
7 | |
3 | #define PERL_NO_GET_CONTEXT |
8 | #define PERL_NO_GET_CONTEXT |
4 | #define PERL_EXT |
9 | #define PERL_EXT |
5 | |
10 | |
6 | #include "EXTERN.h" |
11 | #include "EXTERN.h" |
7 | #include "perl.h" |
12 | #include "perl.h" |
8 | #include "XSUB.h" |
13 | #include "XSUB.h" |
9 | #include "perliol.h" |
14 | #include "perliol.h" |
10 | |
15 | |
11 | #include "patchlevel.h" |
16 | #include "schmorp.h" |
12 | |
17 | |
13 | #include <stdio.h> |
18 | #include <stdio.h> |
14 | #include <errno.h> |
19 | #include <errno.h> |
15 | #include <assert.h> |
20 | #include <assert.h> |
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21 | |
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22 | #ifndef SVs_PADSTALE |
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23 | # define SVs_PADSTALE 0 |
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24 | #endif |
16 | |
25 | |
17 | #ifdef WIN32 |
26 | #ifdef WIN32 |
18 | # undef setjmp |
27 | # undef setjmp |
19 | # undef longjmp |
28 | # undef longjmp |
20 | # undef _exit |
29 | # undef _exit |
… | |
… | |
51 | #endif |
60 | #endif |
52 | |
61 | |
53 | /* the maximum number of idle cctx that will be pooled */ |
62 | /* the maximum number of idle cctx that will be pooled */ |
54 | static int cctx_max_idle = 4; |
63 | static int cctx_max_idle = 4; |
55 | |
64 | |
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 |
65 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
116 | # undef CORO_STACKGUARD |
66 | # undef CORO_STACKGUARD |
117 | #endif |
67 | #endif |
118 | |
68 | |
119 | #ifndef CORO_STACKGUARD |
69 | #ifndef CORO_STACKGUARD |
… | |
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133 | #else |
83 | #else |
134 | # define dSTACKLEVEL volatile void *stacklevel |
84 | # define dSTACKLEVEL volatile void *stacklevel |
135 | # define STACKLEVEL ((void *)&stacklevel) |
85 | # define STACKLEVEL ((void *)&stacklevel) |
136 | #endif |
86 | #endif |
137 | |
87 | |
138 | #define IN_DESTRUCT (PL_main_cv == Nullcv) |
88 | #define IN_DESTRUCT PL_dirty |
139 | |
89 | |
140 | #if __GNUC__ >= 3 |
90 | #if __GNUC__ >= 3 |
141 | # define attribute(x) __attribute__(x) |
91 | # define attribute(x) __attribute__(x) |
142 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
92 | # define expect(expr,value) __builtin_expect ((expr), (value)) |
143 | # define INLINE static inline |
93 | # define INLINE static inline |
144 | #else |
94 | #else |
145 | # define attribute(x) |
95 | # define attribute(x) |
146 | # define expect(expr,value) (expr) |
96 | # define expect(expr,value) (expr) |
147 | # define INLINE static |
97 | # define INLINE static |
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159 | # if CORO_PTHREAD |
109 | # if CORO_PTHREAD |
160 | static void *coro_thx; |
110 | static void *coro_thx; |
161 | # endif |
111 | # endif |
162 | #endif |
112 | #endif |
163 | |
113 | |
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114 | #ifdef __linux |
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115 | # include <time.h> /* for timespec */ |
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116 | # include <syscall.h> /* for SYS_* */ |
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117 | # ifdef SYS_clock_gettime |
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118 | # define coro_clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
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119 | # define CORO_CLOCK_MONOTONIC 1 |
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120 | # define CORO_CLOCK_THREAD_CPUTIME_ID 3 |
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121 | # endif |
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122 | #endif |
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123 | |
164 | static double (*nvtime)(); /* so why doesn't it take void? */ |
124 | static double (*nvtime)(); /* so why doesn't it take void? */ |
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125 | static void (*u2time)(pTHX_ UV ret[2]); |
165 | |
126 | |
166 | /* we hijack an hopefully unused CV flag for our purposes */ |
127 | /* we hijack an hopefully unused CV flag for our purposes */ |
167 | #define CVf_SLF 0x4000 |
128 | #define CVf_SLF 0x4000 |
168 | static OP *pp_slf (pTHX); |
129 | static OP *pp_slf (pTHX); |
169 | |
130 | |
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190 | static SV *sv_pool_size; |
151 | static SV *sv_pool_size; |
191 | static SV *sv_async_pool_idle; /* description string */ |
152 | static SV *sv_async_pool_idle; /* description string */ |
192 | static AV *av_async_pool; /* idle pool */ |
153 | static AV *av_async_pool; /* idle pool */ |
193 | static SV *sv_Coro; /* class string */ |
154 | static SV *sv_Coro; /* class string */ |
194 | static CV *cv_pool_handler; |
155 | static CV *cv_pool_handler; |
195 | static CV *cv_coro_state_new; |
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196 | |
156 | |
197 | /* Coro::AnyEvent */ |
157 | /* Coro::AnyEvent */ |
198 | static SV *sv_activity; |
158 | static SV *sv_activity; |
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159 | |
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160 | /* enable processtime/realtime profiling */ |
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161 | static char enable_times; |
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162 | typedef U32 coro_ts[2]; |
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163 | static coro_ts time_real, time_cpu; |
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164 | static char times_valid; |
199 | |
165 | |
200 | static struct coro_cctx *cctx_first; |
166 | static struct coro_cctx *cctx_first; |
201 | static int cctx_count, cctx_idle; |
167 | static int cctx_count, cctx_idle; |
202 | |
168 | |
203 | enum { |
169 | enum { |
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238 | enum { |
204 | enum { |
239 | CF_RUNNING = 0x0001, /* coroutine is running */ |
205 | CF_RUNNING = 0x0001, /* coroutine is running */ |
240 | CF_READY = 0x0002, /* coroutine is ready */ |
206 | CF_READY = 0x0002, /* coroutine is ready */ |
241 | CF_NEW = 0x0004, /* has never been switched to */ |
207 | CF_NEW = 0x0004, /* has never been switched to */ |
242 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
208 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
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209 | CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */ |
243 | }; |
210 | }; |
244 | |
211 | |
245 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
212 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
246 | typedef struct |
213 | typedef struct |
247 | { |
214 | { |
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260 | /* this is a structure representing a perl-level coroutine */ |
227 | /* this is a structure representing a perl-level coroutine */ |
261 | struct coro { |
228 | struct coro { |
262 | /* the C coroutine allocated to this perl coroutine, if any */ |
229 | /* the C coroutine allocated to this perl coroutine, if any */ |
263 | coro_cctx *cctx; |
230 | coro_cctx *cctx; |
264 | |
231 | |
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232 | /* ready queue */ |
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233 | struct coro *next_ready; |
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234 | |
265 | /* state data */ |
235 | /* state data */ |
266 | struct CoroSLF slf_frame; /* saved slf frame */ |
236 | struct CoroSLF slf_frame; /* saved slf frame */ |
267 | AV *mainstack; |
237 | AV *mainstack; |
268 | perl_slots *slot; /* basically the saved sp */ |
238 | perl_slots *slot; /* basically the saved sp */ |
269 | |
239 | |
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285 | /* async_pool */ |
255 | /* async_pool */ |
286 | SV *saved_deffh; |
256 | SV *saved_deffh; |
287 | SV *invoke_cb; |
257 | SV *invoke_cb; |
288 | AV *invoke_av; |
258 | AV *invoke_av; |
289 | |
259 | |
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260 | /* on_enter/on_leave */ |
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261 | AV *on_enter; |
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262 | AV *on_leave; |
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263 | |
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264 | /* swap_sv */ |
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265 | AV *swap_sv; |
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266 | |
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267 | /* times */ |
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268 | coro_ts t_cpu, t_real; |
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269 | |
290 | /* linked list */ |
270 | /* linked list */ |
291 | struct coro *next, *prev; |
271 | struct coro *next, *prev; |
292 | }; |
272 | }; |
293 | |
273 | |
294 | typedef struct coro *Coro__State; |
274 | typedef struct coro *Coro__State; |
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299 | /* the mainr easonw e don't support windows process emulation */ |
279 | /* the mainr easonw e don't support windows process emulation */ |
300 | static struct CoroSLF slf_frame; /* the current slf frame */ |
280 | static struct CoroSLF slf_frame; /* the current slf frame */ |
301 | |
281 | |
302 | /** Coro ********************************************************************/ |
282 | /** Coro ********************************************************************/ |
303 | |
283 | |
304 | #define PRIO_MAX 3 |
284 | #define CORO_PRIO_MAX 3 |
305 | #define PRIO_HIGH 1 |
285 | #define CORO_PRIO_HIGH 1 |
306 | #define PRIO_NORMAL 0 |
286 | #define CORO_PRIO_NORMAL 0 |
307 | #define PRIO_LOW -1 |
287 | #define CORO_PRIO_LOW -1 |
308 | #define PRIO_IDLE -3 |
288 | #define CORO_PRIO_IDLE -3 |
309 | #define PRIO_MIN -4 |
289 | #define CORO_PRIO_MIN -4 |
310 | |
290 | |
311 | /* for Coro.pm */ |
291 | /* for Coro.pm */ |
312 | static SV *coro_current; |
292 | static SV *coro_current; |
313 | static SV *coro_readyhook; |
293 | static SV *coro_readyhook; |
314 | static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1]; |
294 | static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ |
315 | static CV *cv_coro_run, *cv_coro_terminate; |
295 | static CV *cv_coro_run, *cv_coro_terminate; |
316 | static struct coro *coro_first; |
296 | static struct coro *coro_first; |
317 | #define coro_nready coroapi.nready |
297 | #define coro_nready coroapi.nready |
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298 | |
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299 | /** Coro::Select ************************************************************/ |
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300 | |
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301 | static OP *(*coro_old_pp_sselect) (pTHX); |
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302 | static SV *coro_select_select; |
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303 | |
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304 | /* horrible hack, but if it works... */ |
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305 | static OP * |
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306 | coro_pp_sselect (pTHX) |
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307 | { |
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308 | dSP; |
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309 | PUSHMARK (SP - 4); /* fake argument list */ |
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310 | XPUSHs (coro_select_select); |
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311 | PUTBACK; |
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312 | |
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313 | /* entersub is an UNOP, select a LISTOP... keep your fingers crossed */ |
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314 | PL_op->op_flags |= OPf_STACKED; |
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315 | PL_op->op_private = 0; |
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316 | return PL_ppaddr [OP_ENTERSUB](aTHX); |
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317 | } |
318 | |
318 | |
319 | /** lowlevel stuff **********************************************************/ |
319 | /** lowlevel stuff **********************************************************/ |
320 | |
320 | |
321 | static SV * |
321 | static SV * |
322 | coro_get_sv (pTHX_ const char *name, int create) |
322 | coro_get_sv (pTHX_ const char *name, int create) |
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346 | get_hv (name, create); |
346 | get_hv (name, create); |
347 | #endif |
347 | #endif |
348 | return get_hv (name, create); |
348 | return get_hv (name, create); |
349 | } |
349 | } |
350 | |
350 | |
351 | /* may croak */ |
351 | INLINE void |
352 | INLINE CV * |
352 | coro_times_update () |
353 | coro_sv_2cv (pTHX_ SV *sv) |
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354 | { |
353 | { |
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354 | #ifdef coro_clock_gettime |
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355 | struct timespec ts; |
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356 | |
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357 | ts.tv_sec = ts.tv_nsec = 0; |
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358 | coro_clock_gettime (CORO_CLOCK_THREAD_CPUTIME_ID, &ts); |
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359 | time_cpu [0] = ts.tv_sec; time_cpu [1] = ts.tv_nsec; |
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360 | |
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361 | ts.tv_sec = ts.tv_nsec = 0; |
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362 | coro_clock_gettime (CORO_CLOCK_MONOTONIC, &ts); |
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363 | time_real [0] = ts.tv_sec; time_real [1] = ts.tv_nsec; |
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364 | #else |
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365 | dTHX; |
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366 | UV tv[2]; |
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367 | |
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368 | u2time (aTHX_ tv); |
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369 | time_real [0] = tv [0]; |
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370 | time_real [1] = tv [1] * 1000; |
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371 | #endif |
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372 | } |
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373 | |
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374 | INLINE void |
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375 | coro_times_add (struct coro *c) |
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376 | { |
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377 | c->t_real [1] += time_real [1]; |
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378 | if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } |
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379 | c->t_real [0] += time_real [0]; |
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380 | |
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381 | c->t_cpu [1] += time_cpu [1]; |
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382 | if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } |
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383 | c->t_cpu [0] += time_cpu [0]; |
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384 | } |
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385 | |
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386 | INLINE void |
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387 | coro_times_sub (struct coro *c) |
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388 | { |
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389 | if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } |
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390 | c->t_real [1] -= time_real [1]; |
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391 | c->t_real [0] -= time_real [0]; |
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392 | |
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393 | if (c->t_cpu [1] < time_cpu [1]) { c->t_cpu [1] += 1000000000; --c->t_cpu [0]; } |
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394 | c->t_cpu [1] -= time_cpu [1]; |
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395 | c->t_cpu [0] -= time_cpu [0]; |
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396 | } |
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397 | |
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398 | /*****************************************************************************/ |
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399 | /* magic glue */ |
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400 | |
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401 | #define CORO_MAGIC_type_cv 26 |
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402 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
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403 | |
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404 | #define CORO_MAGIC_NN(sv, type) \ |
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405 | (expect_true (SvMAGIC (sv)->mg_type == type) \ |
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406 | ? SvMAGIC (sv) \ |
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407 | : mg_find (sv, type)) |
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408 | |
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409 | #define CORO_MAGIC(sv, type) \ |
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410 | (expect_true (SvMAGIC (sv)) \ |
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411 | ? CORO_MAGIC_NN (sv, type) \ |
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412 | : 0) |
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413 | |
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414 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
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415 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
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416 | |
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417 | INLINE struct coro * |
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418 | SvSTATE_ (pTHX_ SV *coro) |
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419 | { |
355 | HV *st; |
420 | HV *stash; |
356 | GV *gvp; |
421 | MAGIC *mg; |
357 | return sv_2cv (sv, &st, &gvp, 0); |
422 | |
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423 | if (SvROK (coro)) |
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424 | coro = SvRV (coro); |
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425 | |
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426 | if (expect_false (SvTYPE (coro) != SVt_PVHV)) |
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427 | croak ("Coro::State object required"); |
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428 | |
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429 | stash = SvSTASH (coro); |
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430 | if (expect_false (stash != coro_stash && stash != coro_state_stash)) |
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431 | { |
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432 | /* very slow, but rare, check */ |
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433 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
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434 | croak ("Coro::State object required"); |
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435 | } |
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436 | |
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437 | mg = CORO_MAGIC_state (coro); |
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438 | return (struct coro *)mg->mg_ptr; |
358 | } |
439 | } |
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440 | |
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441 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
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442 | |
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443 | /* faster than SvSTATE, but expects a coroutine hv */ |
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444 | #define SvSTATE_hv(hv) ((struct coro *)CORO_MAGIC_NN ((SV *)hv, CORO_MAGIC_type_state)->mg_ptr) |
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445 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
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446 | |
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447 | /*****************************************************************************/ |
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448 | /* padlist management and caching */ |
359 | |
449 | |
360 | static AV * |
450 | static AV * |
361 | coro_derive_padlist (pTHX_ CV *cv) |
451 | coro_derive_padlist (pTHX_ CV *cv) |
362 | { |
452 | { |
363 | AV *padlist = CvPADLIST (cv); |
453 | AV *padlist = CvPADLIST (cv); |
… | |
… | |
371 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
461 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
372 | #endif |
462 | #endif |
373 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
463 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
374 | --AvFILLp (padlist); |
464 | --AvFILLp (padlist); |
375 | |
465 | |
376 | av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE))); |
466 | av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0])); |
377 | av_store (newpadlist, 1, (SV *)newpad); |
467 | av_store (newpadlist, 1, (SV *)newpad); |
378 | |
468 | |
379 | return newpadlist; |
469 | return newpadlist; |
380 | } |
470 | } |
381 | |
471 | |
382 | static void |
472 | static void |
383 | free_padlist (pTHX_ AV *padlist) |
473 | free_padlist (pTHX_ AV *padlist) |
384 | { |
474 | { |
385 | /* may be during global destruction */ |
475 | /* may be during global destruction */ |
386 | if (SvREFCNT (padlist)) |
476 | if (!IN_DESTRUCT) |
387 | { |
477 | { |
388 | I32 i = AvFILLp (padlist); |
478 | I32 i = AvFILLp (padlist); |
389 | while (i >= 0) |
479 | |
|
|
480 | while (i > 0) /* special-case index 0 */ |
390 | { |
481 | { |
391 | SV **svp = av_fetch (padlist, i--, FALSE); |
482 | /* we try to be extra-careful here */ |
392 | if (svp) |
483 | AV *av = (AV *)AvARRAY (padlist)[i--]; |
393 | { |
484 | I32 j = AvFILLp (av); |
394 | SV *sv; |
485 | |
395 | while (&PL_sv_undef != (sv = av_pop ((AV *)*svp))) |
486 | while (j >= 0) |
|
|
487 | SvREFCNT_dec (AvARRAY (av)[j--]); |
|
|
488 | |
|
|
489 | AvFILLp (av) = -1; |
396 | SvREFCNT_dec (sv); |
490 | SvREFCNT_dec (av); |
397 | |
|
|
398 | SvREFCNT_dec (*svp); |
|
|
399 | } |
|
|
400 | } |
491 | } |
401 | |
492 | |
|
|
493 | SvREFCNT_dec (AvARRAY (padlist)[0]); |
|
|
494 | |
|
|
495 | AvFILLp (padlist) = -1; |
402 | SvREFCNT_dec ((SV*)padlist); |
496 | SvREFCNT_dec ((SV*)padlist); |
403 | } |
497 | } |
404 | } |
498 | } |
405 | |
499 | |
406 | static int |
500 | static int |
407 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
501 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
408 | { |
502 | { |
409 | AV *padlist; |
503 | AV *padlist; |
410 | AV *av = (AV *)mg->mg_obj; |
504 | AV *av = (AV *)mg->mg_obj; |
|
|
505 | |
|
|
506 | /* perl manages to free our internal AV and _then_ call us */ |
|
|
507 | if (IN_DESTRUCT) |
|
|
508 | return 0; |
411 | |
509 | |
412 | /* casting is fun. */ |
510 | /* casting is fun. */ |
413 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
511 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
414 | free_padlist (aTHX_ padlist); |
512 | free_padlist (aTHX_ padlist); |
415 | |
513 | |
416 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
514 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
417 | |
515 | |
418 | return 0; |
516 | return 0; |
419 | } |
517 | } |
420 | |
|
|
421 | #define CORO_MAGIC_type_cv 26 |
|
|
422 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
|
|
423 | |
518 | |
424 | static MGVTBL coro_cv_vtbl = { |
519 | static MGVTBL coro_cv_vtbl = { |
425 | 0, 0, 0, 0, |
520 | 0, 0, 0, 0, |
426 | coro_cv_free |
521 | coro_cv_free |
427 | }; |
522 | }; |
428 | |
|
|
429 | #define CORO_MAGIC_NN(sv, type) \ |
|
|
430 | (expect_true (SvMAGIC (sv)->mg_type == type) \ |
|
|
431 | ? SvMAGIC (sv) \ |
|
|
432 | : mg_find (sv, type)) |
|
|
433 | |
|
|
434 | #define CORO_MAGIC(sv, type) \ |
|
|
435 | (expect_true (SvMAGIC (sv)) \ |
|
|
436 | ? CORO_MAGIC_NN (sv, type) \ |
|
|
437 | : 0) |
|
|
438 | |
|
|
439 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
|
|
440 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
|
|
441 | |
|
|
442 | INLINE struct coro * |
|
|
443 | SvSTATE_ (pTHX_ SV *coro) |
|
|
444 | { |
|
|
445 | HV *stash; |
|
|
446 | MAGIC *mg; |
|
|
447 | |
|
|
448 | if (SvROK (coro)) |
|
|
449 | coro = SvRV (coro); |
|
|
450 | |
|
|
451 | if (expect_false (SvTYPE (coro) != SVt_PVHV)) |
|
|
452 | croak ("Coro::State object required"); |
|
|
453 | |
|
|
454 | stash = SvSTASH (coro); |
|
|
455 | if (expect_false (stash != coro_stash && stash != coro_state_stash)) |
|
|
456 | { |
|
|
457 | /* very slow, but rare, check */ |
|
|
458 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
|
|
459 | croak ("Coro::State object required"); |
|
|
460 | } |
|
|
461 | |
|
|
462 | mg = CORO_MAGIC_state (coro); |
|
|
463 | return (struct coro *)mg->mg_ptr; |
|
|
464 | } |
|
|
465 | |
|
|
466 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
|
|
467 | |
|
|
468 | /* faster than SvSTATE, but expects a coroutine hv */ |
|
|
469 | #define SvSTATE_hv(hv) ((struct coro *)CORO_MAGIC_NN ((SV *)hv, CORO_MAGIC_type_state)->mg_ptr) |
|
|
470 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
|
|
471 | |
523 | |
472 | /* the next two functions merely cache the padlists */ |
524 | /* the next two functions merely cache the padlists */ |
473 | static void |
525 | static void |
474 | get_padlist (pTHX_ CV *cv) |
526 | get_padlist (pTHX_ CV *cv) |
475 | { |
527 | { |
… | |
… | |
503 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
555 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
504 | |
556 | |
505 | av = (AV *)mg->mg_obj; |
557 | av = (AV *)mg->mg_obj; |
506 | |
558 | |
507 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
559 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
508 | av_extend (av, AvMAX (av) + 1); |
560 | av_extend (av, AvFILLp (av) + 1); |
509 | |
561 | |
510 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
562 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
511 | } |
563 | } |
512 | |
564 | |
513 | /** load & save, init *******************************************************/ |
565 | /** load & save, init *******************************************************/ |
|
|
566 | |
|
|
567 | /* swap sv heads, at least logically */ |
|
|
568 | static void |
|
|
569 | swap_svs (pTHX_ Coro__State c) |
|
|
570 | { |
|
|
571 | int i; |
|
|
572 | |
|
|
573 | for (i = 0; i <= AvFILLp (c->swap_sv); ) |
|
|
574 | { |
|
|
575 | SV *a = AvARRAY (c->swap_sv)[i++]; |
|
|
576 | SV *b = AvARRAY (c->swap_sv)[i++]; |
|
|
577 | |
|
|
578 | const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */ |
|
|
579 | SV tmp; |
|
|
580 | |
|
|
581 | /* swap sv_any */ |
|
|
582 | SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp); |
|
|
583 | |
|
|
584 | /* swap sv_flags */ |
|
|
585 | SvFLAGS (&tmp) = SvFLAGS (a); |
|
|
586 | SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep); |
|
|
587 | SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep); |
|
|
588 | |
|
|
589 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
590 | /* perl 5.10 complicates this _quite_ a bit, but it also is |
|
|
591 | * is much faster, so no quarrels here. alternatively, we could |
|
|
592 | * sv_upgrade to avoid this. |
|
|
593 | */ |
|
|
594 | { |
|
|
595 | /* swap sv_u */ |
|
|
596 | tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u; |
|
|
597 | |
|
|
598 | /* if SvANY points to the head, we need to adjust the pointers, |
|
|
599 | * as the pointer for a still points to b, and maybe vice versa. |
|
|
600 | */ |
|
|
601 | #define svany_in_head(type) \ |
|
|
602 | (((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type))) |
|
|
603 | |
|
|
604 | if (svany_in_head (SvTYPE (a))) |
|
|
605 | SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a); |
|
|
606 | |
|
|
607 | if (svany_in_head (SvTYPE (b))) |
|
|
608 | SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b); |
|
|
609 | } |
|
|
610 | #endif |
|
|
611 | } |
|
|
612 | } |
|
|
613 | |
|
|
614 | #define SWAP_SVS(coro) \ |
|
|
615 | if (expect_false ((coro)->swap_sv)) \ |
|
|
616 | swap_svs (aTHX_ (coro)) |
|
|
617 | |
|
|
618 | static void |
|
|
619 | on_enterleave_call (pTHX_ SV *cb); |
514 | |
620 | |
515 | static void |
621 | static void |
516 | load_perl (pTHX_ Coro__State c) |
622 | load_perl (pTHX_ Coro__State c) |
517 | { |
623 | { |
518 | perl_slots *slot = c->slot; |
624 | perl_slots *slot = c->slot; |
… | |
… | |
546 | PUTBACK; |
652 | PUTBACK; |
547 | } |
653 | } |
548 | |
654 | |
549 | slf_frame = c->slf_frame; |
655 | slf_frame = c->slf_frame; |
550 | CORO_THROW = c->except; |
656 | CORO_THROW = c->except; |
|
|
657 | |
|
|
658 | if (expect_false (enable_times)) |
|
|
659 | { |
|
|
660 | if (expect_false (!times_valid)) |
|
|
661 | coro_times_update (); |
|
|
662 | |
|
|
663 | coro_times_sub (c); |
|
|
664 | } |
|
|
665 | |
|
|
666 | if (expect_false (c->on_enter)) |
|
|
667 | { |
|
|
668 | int i; |
|
|
669 | |
|
|
670 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
|
|
671 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
|
|
672 | } |
|
|
673 | |
|
|
674 | SWAP_SVS (c); |
551 | } |
675 | } |
552 | |
676 | |
553 | static void |
677 | static void |
554 | save_perl (pTHX_ Coro__State c) |
678 | save_perl (pTHX_ Coro__State c) |
555 | { |
679 | { |
|
|
680 | SWAP_SVS (c); |
|
|
681 | |
|
|
682 | if (expect_false (c->on_leave)) |
|
|
683 | { |
|
|
684 | int i; |
|
|
685 | |
|
|
686 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
|
|
687 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
|
|
688 | } |
|
|
689 | |
|
|
690 | times_valid = 0; |
|
|
691 | |
|
|
692 | if (expect_false (enable_times)) |
|
|
693 | { |
|
|
694 | coro_times_update (); times_valid = 1; |
|
|
695 | coro_times_add (c); |
|
|
696 | } |
|
|
697 | |
556 | c->except = CORO_THROW; |
698 | c->except = CORO_THROW; |
557 | c->slf_frame = slf_frame; |
699 | c->slf_frame = slf_frame; |
558 | |
700 | |
559 | { |
701 | { |
560 | dSP; |
702 | dSP; |
… | |
… | |
573 | { |
715 | { |
574 | while (expect_true (cxix >= 0)) |
716 | while (expect_true (cxix >= 0)) |
575 | { |
717 | { |
576 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
718 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
577 | |
719 | |
578 | if (expect_true (CxTYPE (cx) == CXt_SUB || CxTYPE (cx) == CXt_FORMAT)) |
720 | if (expect_true (CxTYPE (cx) == CXt_SUB) || expect_false (CxTYPE (cx) == CXt_FORMAT)) |
579 | { |
721 | { |
580 | CV *cv = cx->blk_sub.cv; |
722 | CV *cv = cx->blk_sub.cv; |
581 | |
723 | |
582 | if (expect_true (CvDEPTH (cv))) |
724 | if (expect_true (CvDEPTH (cv))) |
583 | { |
725 | { |
… | |
… | |
607 | /* we manually unroll here, as usually 2 slots is enough */ |
749 | /* we manually unroll here, as usually 2 slots is enough */ |
608 | if (SLOT_COUNT >= 1) CXINC; |
750 | if (SLOT_COUNT >= 1) CXINC; |
609 | if (SLOT_COUNT >= 2) CXINC; |
751 | if (SLOT_COUNT >= 2) CXINC; |
610 | if (SLOT_COUNT >= 3) CXINC; |
752 | if (SLOT_COUNT >= 3) CXINC; |
611 | { |
753 | { |
612 | int i; |
754 | unsigned int i; |
613 | for (i = 3; i < SLOT_COUNT; ++i) |
755 | for (i = 3; i < SLOT_COUNT; ++i) |
614 | CXINC; |
756 | CXINC; |
615 | } |
757 | } |
616 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
758 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
617 | |
759 | |
… | |
… | |
759 | #endif |
901 | #endif |
760 | |
902 | |
761 | /* |
903 | /* |
762 | * This overrides the default magic get method of %SIG elements. |
904 | * This overrides the default magic get method of %SIG elements. |
763 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
905 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
764 | * and instead of tryign to save and restore the hash elements, we just provide |
906 | * and instead of trying to save and restore the hash elements, we just provide |
765 | * readback here. |
907 | * readback here. |
766 | * We only do this when the hook is != 0, as they are often set to 0 temporarily, |
|
|
767 | * not expecting this to actually change the hook. This is a potential problem |
|
|
768 | * when a schedule happens then, but we ignore this. |
|
|
769 | */ |
908 | */ |
770 | static int |
909 | static int |
771 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
910 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
772 | { |
911 | { |
773 | const char *s = MgPV_nolen_const (mg); |
912 | const char *s = MgPV_nolen_const (mg); |
… | |
… | |
826 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
965 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
827 | |
966 | |
828 | if (svp) |
967 | if (svp) |
829 | { |
968 | { |
830 | SV *old = *svp; |
969 | SV *old = *svp; |
831 | *svp = newSVsv (sv); |
970 | *svp = SvOK (sv) ? newSVsv (sv) : 0; |
832 | SvREFCNT_dec (old); |
971 | SvREFCNT_dec (old); |
833 | return 0; |
972 | return 0; |
834 | } |
973 | } |
835 | } |
974 | } |
836 | |
975 | |
… | |
… | |
854 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
993 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
855 | { |
994 | { |
856 | return 1; |
995 | return 1; |
857 | } |
996 | } |
858 | |
997 | |
859 | static UNOP coro_setup_op; |
998 | static UNOP init_perl_op; |
860 | |
999 | |
861 | static void NOINLINE /* noinline to keep it out of the transfer fast path */ |
1000 | static void NOINLINE /* noinline to keep it out of the transfer fast path */ |
862 | coro_setup (pTHX_ struct coro *coro) |
1001 | init_perl (pTHX_ struct coro *coro) |
863 | { |
1002 | { |
864 | /* |
1003 | /* |
865 | * emulate part of the perl startup here. |
1004 | * emulate part of the perl startup here. |
866 | */ |
1005 | */ |
867 | coro_init_stacks (aTHX); |
1006 | coro_init_stacks (aTHX); |
… | |
… | |
916 | */ |
1055 | */ |
917 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
1056 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
918 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
1057 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
919 | |
1058 | |
920 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
1059 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
921 | coro_setup_op.op_next = PL_op; |
1060 | init_perl_op.op_next = PL_op; |
922 | coro_setup_op.op_type = OP_ENTERSUB; |
1061 | init_perl_op.op_type = OP_ENTERSUB; |
923 | coro_setup_op.op_ppaddr = pp_slf; |
1062 | init_perl_op.op_ppaddr = pp_slf; |
924 | /* no flags etc. required, as an init function won't be called */ |
1063 | /* no flags etc. required, as an init function won't be called */ |
925 | |
1064 | |
926 | PL_op = (OP *)&coro_setup_op; |
1065 | PL_op = (OP *)&init_perl_op; |
927 | |
1066 | |
928 | /* copy throw, in case it was set before coro_setup */ |
1067 | /* copy throw, in case it was set before init_perl */ |
929 | CORO_THROW = coro->except; |
1068 | CORO_THROW = coro->except; |
930 | } |
|
|
931 | |
1069 | |
|
|
1070 | SWAP_SVS (coro); |
|
|
1071 | |
|
|
1072 | if (expect_false (enable_times)) |
|
|
1073 | { |
|
|
1074 | coro_times_update (); |
|
|
1075 | coro_times_sub (coro); |
|
|
1076 | } |
|
|
1077 | } |
|
|
1078 | |
932 | static void |
1079 | static void |
933 | coro_destruct (pTHX_ struct coro *coro) |
1080 | coro_unwind_stacks (pTHX) |
934 | { |
1081 | { |
935 | if (!IN_DESTRUCT) |
1082 | if (!IN_DESTRUCT) |
936 | { |
1083 | { |
937 | /* restore all saved variables and stuff */ |
1084 | /* restore all saved variables and stuff */ |
938 | LEAVE_SCOPE (0); |
1085 | LEAVE_SCOPE (0); |
… | |
… | |
946 | POPSTACK_TO (PL_mainstack); |
1093 | POPSTACK_TO (PL_mainstack); |
947 | |
1094 | |
948 | /* unwind main stack */ |
1095 | /* unwind main stack */ |
949 | dounwind (-1); |
1096 | dounwind (-1); |
950 | } |
1097 | } |
|
|
1098 | } |
951 | |
1099 | |
952 | SvREFCNT_dec (GvSV (PL_defgv)); |
1100 | static void |
953 | SvREFCNT_dec (GvAV (PL_defgv)); |
1101 | destroy_perl (pTHX_ struct coro *coro) |
954 | SvREFCNT_dec (GvSV (PL_errgv)); |
1102 | { |
955 | SvREFCNT_dec (PL_defoutgv); |
1103 | SV *svf [9]; |
956 | SvREFCNT_dec (PL_rs); |
|
|
957 | SvREFCNT_dec (GvSV (irsgv)); |
|
|
958 | SvREFCNT_dec (GvHV (PL_hintgv)); |
|
|
959 | |
1104 | |
960 | SvREFCNT_dec (PL_diehook); |
|
|
961 | SvREFCNT_dec (PL_warnhook); |
|
|
962 | |
1105 | { |
|
|
1106 | struct coro *current = SvSTATE_current; |
|
|
1107 | |
|
|
1108 | assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack)); |
|
|
1109 | |
|
|
1110 | save_perl (aTHX_ current); |
|
|
1111 | load_perl (aTHX_ coro); |
|
|
1112 | |
|
|
1113 | coro_unwind_stacks (aTHX); |
|
|
1114 | coro_destruct_stacks (aTHX); |
|
|
1115 | |
|
|
1116 | /* restore swapped sv's */ |
|
|
1117 | SWAP_SVS (coro); |
|
|
1118 | |
|
|
1119 | // now save some sv's to be free'd later |
|
|
1120 | svf [0] = GvSV (PL_defgv); |
|
|
1121 | svf [1] = (SV *)GvAV (PL_defgv); |
|
|
1122 | svf [2] = GvSV (PL_errgv); |
|
|
1123 | svf [3] = (SV *)PL_defoutgv; |
|
|
1124 | svf [4] = PL_rs; |
|
|
1125 | svf [5] = GvSV (irsgv); |
|
|
1126 | svf [6] = (SV *)GvHV (PL_hintgv); |
|
|
1127 | svf [7] = PL_diehook; |
|
|
1128 | svf [8] = PL_warnhook; |
|
|
1129 | assert (9 == sizeof (svf) / sizeof (*svf)); |
|
|
1130 | |
|
|
1131 | load_perl (aTHX_ current); |
|
|
1132 | } |
|
|
1133 | |
|
|
1134 | { |
|
|
1135 | unsigned int i; |
|
|
1136 | |
|
|
1137 | for (i = 0; i < sizeof (svf) / sizeof (*svf); ++i) |
|
|
1138 | SvREFCNT_dec (svf [i]); |
|
|
1139 | |
963 | SvREFCNT_dec (coro->saved_deffh); |
1140 | SvREFCNT_dec (coro->saved_deffh); |
964 | SvREFCNT_dec (coro->rouse_cb); |
1141 | SvREFCNT_dec (coro->rouse_cb); |
965 | SvREFCNT_dec (coro->invoke_cb); |
1142 | SvREFCNT_dec (coro->invoke_cb); |
966 | SvREFCNT_dec (coro->invoke_av); |
1143 | SvREFCNT_dec (coro->invoke_av); |
967 | |
1144 | } |
968 | coro_destruct_stacks (aTHX); |
|
|
969 | } |
1145 | } |
970 | |
1146 | |
971 | INLINE void |
1147 | INLINE void |
972 | free_coro_mortal (pTHX) |
1148 | free_coro_mortal (pTHX) |
973 | { |
1149 | { |
… | |
… | |
1170 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1346 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1171 | PL_restartop = PL_op; |
1347 | PL_restartop = PL_op; |
1172 | perl_run (PL_curinterp); |
1348 | perl_run (PL_curinterp); |
1173 | /* |
1349 | /* |
1174 | * Unfortunately, there is no way to get at the return values of the |
1350 | * Unfortunately, there is no way to get at the return values of the |
1175 | * coro body here, as perl_run destroys these |
1351 | * coro body here, as perl_run destroys these. Likewise, we cannot catch |
|
|
1352 | * runtime errors here, as this is just a random interpreter, not a thread. |
1176 | */ |
1353 | */ |
1177 | |
1354 | |
1178 | /* |
1355 | /* |
1179 | * If perl-run returns we assume exit() was being called or the coro |
1356 | * If perl-run returns we assume exit() was being called or the coro |
1180 | * fell off the end, which seems to be the only valid (non-bug) |
1357 | * fell off the end, which seems to be the only valid (non-bug) |
… | |
… | |
1267 | cctx_destroy (coro_cctx *cctx) |
1444 | cctx_destroy (coro_cctx *cctx) |
1268 | { |
1445 | { |
1269 | if (!cctx) |
1446 | if (!cctx) |
1270 | return; |
1447 | return; |
1271 | |
1448 | |
1272 | assert (cctx != cctx_current);//D temporary |
1449 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));//D temporary? |
1273 | |
1450 | |
1274 | --cctx_count; |
1451 | --cctx_count; |
1275 | coro_destroy (&cctx->cctx); |
1452 | coro_destroy (&cctx->cctx); |
1276 | |
1453 | |
1277 | /* coro_transfer creates new, empty cctx's */ |
1454 | /* coro_transfer creates new, empty cctx's */ |
… | |
… | |
1341 | /* TODO: throwing up here is considered harmful */ |
1518 | /* TODO: throwing up here is considered harmful */ |
1342 | |
1519 | |
1343 | if (expect_true (prev != next)) |
1520 | if (expect_true (prev != next)) |
1344 | { |
1521 | { |
1345 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1522 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1346 | croak ("Coro::State::transfer called with a suspended prev Coro::State, but can only transfer from running or new states,"); |
1523 | croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); |
1347 | |
1524 | |
1348 | if (expect_false (next->flags & CF_RUNNING)) |
|
|
1349 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states,"); |
|
|
1350 | |
|
|
1351 | if (expect_false (next->flags & CF_DESTROYED)) |
1525 | if (expect_false (next->flags & (CF_RUNNING | CF_DESTROYED | CF_SUSPENDED))) |
1352 | croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states,"); |
1526 | croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); |
1353 | |
1527 | |
1354 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1528 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1355 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1529 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1356 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1530 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1357 | #endif |
1531 | #endif |
… | |
… | |
1390 | if (expect_false (next->flags & CF_NEW)) |
1564 | if (expect_false (next->flags & CF_NEW)) |
1391 | { |
1565 | { |
1392 | /* need to start coroutine */ |
1566 | /* need to start coroutine */ |
1393 | next->flags &= ~CF_NEW; |
1567 | next->flags &= ~CF_NEW; |
1394 | /* setup coroutine call */ |
1568 | /* setup coroutine call */ |
1395 | coro_setup (aTHX_ next); |
1569 | init_perl (aTHX_ next); |
1396 | } |
1570 | } |
1397 | else |
1571 | else |
1398 | load_perl (aTHX_ next); |
1572 | load_perl (aTHX_ next); |
1399 | |
|
|
1400 | assert (!prev->cctx);//D temporary |
|
|
1401 | |
1573 | |
1402 | /* possibly untie and reuse the cctx */ |
1574 | /* possibly untie and reuse the cctx */ |
1403 | if (expect_true ( |
1575 | if (expect_true ( |
1404 | cctx_current->idle_sp == STACKLEVEL |
1576 | cctx_current->idle_sp == STACKLEVEL |
1405 | && !(cctx_current->flags & CC_TRACE) |
1577 | && !(cctx_current->flags & CC_TRACE) |
… | |
… | |
1447 | coro_state_destroy (pTHX_ struct coro *coro) |
1619 | coro_state_destroy (pTHX_ struct coro *coro) |
1448 | { |
1620 | { |
1449 | if (coro->flags & CF_DESTROYED) |
1621 | if (coro->flags & CF_DESTROYED) |
1450 | return 0; |
1622 | return 0; |
1451 | |
1623 | |
1452 | if (coro->on_destroy) |
1624 | if (coro->on_destroy && !PL_dirty) |
1453 | coro->on_destroy (aTHX_ coro); |
1625 | coro->on_destroy (aTHX_ coro); |
1454 | |
1626 | |
1455 | coro->flags |= CF_DESTROYED; |
1627 | coro->flags |= CF_DESTROYED; |
1456 | |
1628 | |
1457 | if (coro->flags & CF_READY) |
1629 | if (coro->flags & CF_READY) |
… | |
… | |
1461 | --coro_nready; |
1633 | --coro_nready; |
1462 | } |
1634 | } |
1463 | else |
1635 | else |
1464 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
1636 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
1465 | |
1637 | |
1466 | if (coro->mainstack && coro->mainstack != main_mainstack) |
1638 | if (coro->mainstack |
1467 | { |
1639 | && coro->mainstack != main_mainstack |
1468 | struct coro temp; |
1640 | && coro->slot |
1469 | |
1641 | && !PL_dirty) |
1470 | assert (("FATAL: tried to destroy currently running coroutine (please report)", !(coro->flags & CF_RUNNING))); |
|
|
1471 | |
|
|
1472 | save_perl (aTHX_ &temp); |
|
|
1473 | load_perl (aTHX_ coro); |
1642 | destroy_perl (aTHX_ coro); |
1474 | |
1643 | |
1475 | coro_destruct (aTHX_ coro); |
1644 | if (coro->next) coro->next->prev = coro->prev; |
1476 | |
1645 | if (coro->prev) coro->prev->next = coro->next; |
1477 | load_perl (aTHX_ &temp); |
1646 | if (coro == coro_first) coro_first = coro->next; |
1478 | |
|
|
1479 | coro->slot = 0; |
|
|
1480 | } |
|
|
1481 | |
1647 | |
1482 | cctx_destroy (coro->cctx); |
1648 | cctx_destroy (coro->cctx); |
1483 | SvREFCNT_dec (coro->startcv); |
1649 | SvREFCNT_dec (coro->startcv); |
1484 | SvREFCNT_dec (coro->args); |
1650 | SvREFCNT_dec (coro->args); |
|
|
1651 | SvREFCNT_dec (coro->swap_sv); |
1485 | SvREFCNT_dec (CORO_THROW); |
1652 | SvREFCNT_dec (CORO_THROW); |
1486 | |
|
|
1487 | if (coro->next) coro->next->prev = coro->prev; |
|
|
1488 | if (coro->prev) coro->prev->next = coro->next; |
|
|
1489 | if (coro == coro_first) coro_first = coro->next; |
|
|
1490 | |
1653 | |
1491 | return 1; |
1654 | return 1; |
1492 | } |
1655 | } |
1493 | |
1656 | |
1494 | static int |
1657 | static int |
… | |
… | |
1544 | |
1707 | |
1545 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1708 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1546 | TRANSFER (ta, 1); |
1709 | TRANSFER (ta, 1); |
1547 | } |
1710 | } |
1548 | |
1711 | |
1549 | /*****************************************************************************/ |
|
|
1550 | /* gensub: simple closure generation utility */ |
|
|
1551 | |
|
|
1552 | #define GENSUB_ARG CvXSUBANY (cv).any_ptr |
|
|
1553 | |
|
|
1554 | /* create a closure from XS, returns a code reference */ |
|
|
1555 | /* the arg can be accessed via GENSUB_ARG from the callback */ |
|
|
1556 | /* the callback must use dXSARGS/XSRETURN */ |
|
|
1557 | static SV * |
|
|
1558 | gensub (pTHX_ void (*xsub)(pTHX_ CV *), void *arg) |
|
|
1559 | { |
|
|
1560 | CV *cv = (CV *)newSV (0); |
|
|
1561 | |
|
|
1562 | sv_upgrade ((SV *)cv, SVt_PVCV); |
|
|
1563 | |
|
|
1564 | CvANON_on (cv); |
|
|
1565 | CvISXSUB_on (cv); |
|
|
1566 | CvXSUB (cv) = xsub; |
|
|
1567 | GENSUB_ARG = arg; |
|
|
1568 | |
|
|
1569 | return newRV_noinc ((SV *)cv); |
|
|
1570 | } |
|
|
1571 | |
|
|
1572 | /** Coro ********************************************************************/ |
1712 | /** Coro ********************************************************************/ |
1573 | |
1713 | |
1574 | INLINE void |
1714 | INLINE void |
1575 | coro_enq (pTHX_ struct coro *coro) |
1715 | coro_enq (pTHX_ struct coro *coro) |
1576 | { |
1716 | { |
1577 | av_push (coro_ready [coro->prio - PRIO_MIN], SvREFCNT_inc_NN (coro->hv)); |
1717 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1578 | } |
|
|
1579 | |
1718 | |
1580 | INLINE SV * |
1719 | SvREFCNT_inc_NN (coro->hv); |
|
|
1720 | |
|
|
1721 | coro->next_ready = 0; |
|
|
1722 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
|
|
1723 | ready [1] = coro; |
|
|
1724 | } |
|
|
1725 | |
|
|
1726 | INLINE struct coro * |
1581 | coro_deq (pTHX) |
1727 | coro_deq (pTHX) |
1582 | { |
1728 | { |
1583 | int prio; |
1729 | int prio; |
1584 | |
1730 | |
1585 | for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; ) |
1731 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
1586 | if (AvFILLp (coro_ready [prio]) >= 0) |
1732 | { |
1587 | return av_shift (coro_ready [prio]); |
1733 | struct coro **ready = coro_ready [prio]; |
|
|
1734 | |
|
|
1735 | if (ready [0]) |
|
|
1736 | { |
|
|
1737 | struct coro *coro = ready [0]; |
|
|
1738 | ready [0] = coro->next_ready; |
|
|
1739 | return coro; |
|
|
1740 | } |
|
|
1741 | } |
1588 | |
1742 | |
1589 | return 0; |
1743 | return 0; |
|
|
1744 | } |
|
|
1745 | |
|
|
1746 | static void |
|
|
1747 | invoke_sv_ready_hook_helper (void) |
|
|
1748 | { |
|
|
1749 | dTHX; |
|
|
1750 | dSP; |
|
|
1751 | |
|
|
1752 | ENTER; |
|
|
1753 | SAVETMPS; |
|
|
1754 | |
|
|
1755 | PUSHMARK (SP); |
|
|
1756 | PUTBACK; |
|
|
1757 | call_sv (coro_readyhook, G_VOID | G_DISCARD); |
|
|
1758 | |
|
|
1759 | FREETMPS; |
|
|
1760 | LEAVE; |
1590 | } |
1761 | } |
1591 | |
1762 | |
1592 | static int |
1763 | static int |
1593 | api_ready (pTHX_ SV *coro_sv) |
1764 | api_ready (pTHX_ SV *coro_sv) |
1594 | { |
1765 | { |
1595 | struct coro *coro; |
|
|
1596 | SV *sv_hook; |
|
|
1597 | void (*xs_hook)(void); |
|
|
1598 | |
|
|
1599 | coro = SvSTATE (coro_sv); |
1766 | struct coro *coro = SvSTATE (coro_sv); |
1600 | |
1767 | |
1601 | if (coro->flags & CF_READY) |
1768 | if (coro->flags & CF_READY) |
1602 | return 0; |
1769 | return 0; |
1603 | |
1770 | |
1604 | coro->flags |= CF_READY; |
1771 | coro->flags |= CF_READY; |
1605 | |
1772 | |
1606 | sv_hook = coro_nready ? 0 : coro_readyhook; |
|
|
1607 | xs_hook = coro_nready ? 0 : coroapi.readyhook; |
|
|
1608 | |
|
|
1609 | coro_enq (aTHX_ coro); |
1773 | coro_enq (aTHX_ coro); |
1610 | ++coro_nready; |
|
|
1611 | |
1774 | |
1612 | if (sv_hook) |
1775 | if (!coro_nready++) |
1613 | { |
1776 | if (coroapi.readyhook) |
1614 | dSP; |
1777 | coroapi.readyhook (); |
1615 | |
|
|
1616 | ENTER; |
|
|
1617 | SAVETMPS; |
|
|
1618 | |
|
|
1619 | PUSHMARK (SP); |
|
|
1620 | PUTBACK; |
|
|
1621 | call_sv (sv_hook, G_VOID | G_DISCARD); |
|
|
1622 | |
|
|
1623 | FREETMPS; |
|
|
1624 | LEAVE; |
|
|
1625 | } |
|
|
1626 | |
|
|
1627 | if (xs_hook) |
|
|
1628 | xs_hook (); |
|
|
1629 | |
1778 | |
1630 | return 1; |
1779 | return 1; |
1631 | } |
1780 | } |
1632 | |
1781 | |
1633 | static int |
1782 | static int |
… | |
… | |
1656 | static void |
1805 | static void |
1657 | prepare_schedule (pTHX_ struct coro_transfer_args *ta) |
1806 | prepare_schedule (pTHX_ struct coro_transfer_args *ta) |
1658 | { |
1807 | { |
1659 | for (;;) |
1808 | for (;;) |
1660 | { |
1809 | { |
1661 | SV *next_sv = coro_deq (aTHX); |
1810 | struct coro *next = coro_deq (aTHX); |
1662 | |
1811 | |
1663 | if (expect_true (next_sv)) |
1812 | if (expect_true (next)) |
1664 | { |
1813 | { |
1665 | struct coro *next = SvSTATE_hv (next_sv); |
|
|
1666 | |
|
|
1667 | /* cannot transfer to destroyed coros, skip and look for next */ |
1814 | /* cannot transfer to destroyed coros, skip and look for next */ |
1668 | if (expect_false (next->flags & CF_DESTROYED)) |
1815 | if (expect_false (next->flags & (CF_DESTROYED | CF_SUSPENDED))) |
1669 | SvREFCNT_dec (next_sv); /* coro_nready has already been taken care of by destroy */ |
1816 | SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ |
1670 | else |
1817 | else |
1671 | { |
1818 | { |
1672 | next->flags &= ~CF_READY; |
1819 | next->flags &= ~CF_READY; |
1673 | --coro_nready; |
1820 | --coro_nready; |
1674 | |
1821 | |
… | |
… | |
1680 | { |
1827 | { |
1681 | /* nothing to schedule: call the idle handler */ |
1828 | /* nothing to schedule: call the idle handler */ |
1682 | if (SvROK (sv_idle) |
1829 | if (SvROK (sv_idle) |
1683 | && SvOBJECT (SvRV (sv_idle))) |
1830 | && SvOBJECT (SvRV (sv_idle))) |
1684 | { |
1831 | { |
|
|
1832 | if (SvRV (sv_idle) == SvRV (coro_current)) |
|
|
1833 | croak ("FATAL: $Coro::IDLE blocked itself - did you try to block inside an event loop callback? Caught"); |
|
|
1834 | |
1685 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
1835 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
1686 | api_ready (aTHX_ SvRV (sv_idle)); |
1836 | api_ready (aTHX_ SvRV (sv_idle)); |
1687 | --coro_nready; |
1837 | --coro_nready; |
1688 | } |
1838 | } |
1689 | else |
1839 | else |
1690 | { |
1840 | { |
|
|
1841 | /* TODO: deprecated, remove, cannot work reliably *//*D*/ |
1691 | dSP; |
1842 | dSP; |
1692 | |
1843 | |
1693 | ENTER; |
1844 | ENTER; |
1694 | SAVETMPS; |
1845 | SAVETMPS; |
1695 | |
1846 | |
… | |
… | |
1841 | { |
1992 | { |
1842 | int i; |
1993 | int i; |
1843 | HV *hv = (HV *)SvRV (coro_current); |
1994 | HV *hv = (HV *)SvRV (coro_current); |
1844 | AV *av = newAV (); |
1995 | AV *av = newAV (); |
1845 | |
1996 | |
|
|
1997 | /* items are actually not so common, so optimise for this case */ |
|
|
1998 | if (items) |
|
|
1999 | { |
1846 | av_extend (av, items - 1); |
2000 | av_extend (av, items - 1); |
|
|
2001 | |
1847 | for (i = 0; i < items; ++i) |
2002 | for (i = 0; i < items; ++i) |
1848 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
2003 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
|
|
2004 | } |
1849 | |
2005 | |
1850 | hv_store (hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0); |
2006 | hv_store (hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0); |
1851 | |
2007 | |
1852 | av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */ |
2008 | av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */ |
1853 | api_ready (aTHX_ sv_manager); |
2009 | api_ready (aTHX_ sv_manager); |
1854 | |
2010 | |
1855 | frame->prepare = prepare_schedule; |
2011 | frame->prepare = prepare_schedule; |
1856 | frame->check = slf_check_repeat; |
2012 | frame->check = slf_check_repeat; |
|
|
2013 | |
|
|
2014 | /* as a minor optimisation, we could unwind all stacks here */ |
|
|
2015 | /* but that puts extra pressure on pp_slf, and is not worth much */ |
|
|
2016 | /*coro_unwind_stacks (aTHX);*/ |
1857 | } |
2017 | } |
1858 | |
2018 | |
1859 | /*****************************************************************************/ |
2019 | /*****************************************************************************/ |
1860 | /* async pool handler */ |
2020 | /* async pool handler */ |
1861 | |
2021 | |
… | |
… | |
1939 | |
2099 | |
1940 | static void |
2100 | static void |
1941 | coro_rouse_callback (pTHX_ CV *cv) |
2101 | coro_rouse_callback (pTHX_ CV *cv) |
1942 | { |
2102 | { |
1943 | dXSARGS; |
2103 | dXSARGS; |
1944 | SV *data = (SV *)GENSUB_ARG; |
2104 | SV *data = (SV *)S_GENSUB_ARG; |
1945 | |
2105 | |
1946 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2106 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
1947 | { |
2107 | { |
1948 | /* first call, set args */ |
2108 | /* first call, set args */ |
|
|
2109 | SV *coro = SvRV (data); |
1949 | AV *av = newAV (); |
2110 | AV *av = newAV (); |
1950 | SV *coro = SvRV (data); |
|
|
1951 | |
2111 | |
1952 | SvRV_set (data, (SV *)av); |
2112 | SvRV_set (data, (SV *)av); |
1953 | api_ready (aTHX_ coro); |
|
|
1954 | SvREFCNT_dec (coro); |
|
|
1955 | |
2113 | |
1956 | /* better take a full copy of the arguments */ |
2114 | /* better take a full copy of the arguments */ |
1957 | while (items--) |
2115 | while (items--) |
1958 | av_store (av, items, newSVsv (ST (items))); |
2116 | av_store (av, items, newSVsv (ST (items))); |
|
|
2117 | |
|
|
2118 | api_ready (aTHX_ coro); |
|
|
2119 | SvREFCNT_dec (coro); |
1959 | } |
2120 | } |
1960 | |
2121 | |
1961 | XSRETURN_EMPTY; |
2122 | XSRETURN_EMPTY; |
1962 | } |
2123 | } |
1963 | |
2124 | |
… | |
… | |
1980 | |
2141 | |
1981 | EXTEND (SP, AvFILLp (av) + 1); |
2142 | EXTEND (SP, AvFILLp (av) + 1); |
1982 | for (i = 0; i <= AvFILLp (av); ++i) |
2143 | for (i = 0; i <= AvFILLp (av); ++i) |
1983 | PUSHs (sv_2mortal (AvARRAY (av)[i])); |
2144 | PUSHs (sv_2mortal (AvARRAY (av)[i])); |
1984 | |
2145 | |
1985 | /* we have stolen the elements, so ste length to zero and free */ |
2146 | /* we have stolen the elements, so set length to zero and free */ |
1986 | AvFILLp (av) = -1; |
2147 | AvFILLp (av) = -1; |
1987 | av_undef (av); |
2148 | av_undef (av); |
1988 | |
2149 | |
1989 | PUTBACK; |
2150 | PUTBACK; |
1990 | } |
2151 | } |
… | |
… | |
2014 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2175 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2015 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2176 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2016 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2177 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2017 | |
2178 | |
2018 | { |
2179 | { |
2019 | CV *cv = (CV *)SvRV (cb); /* for GENSUB_ARG */ |
2180 | CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ |
2020 | SV *data = (SV *)GENSUB_ARG; |
2181 | SV *data = (SV *)S_GENSUB_ARG; |
2021 | |
2182 | |
2022 | frame->data = (void *)data; |
2183 | frame->data = (void *)data; |
2023 | frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule; |
2184 | frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule; |
2024 | frame->check = slf_check_rouse_wait; |
2185 | frame->check = slf_check_rouse_wait; |
2025 | } |
2186 | } |
… | |
… | |
2029 | coro_new_rouse_cb (pTHX) |
2190 | coro_new_rouse_cb (pTHX) |
2030 | { |
2191 | { |
2031 | HV *hv = (HV *)SvRV (coro_current); |
2192 | HV *hv = (HV *)SvRV (coro_current); |
2032 | struct coro *coro = SvSTATE_hv (hv); |
2193 | struct coro *coro = SvSTATE_hv (hv); |
2033 | SV *data = newRV_inc ((SV *)hv); |
2194 | SV *data = newRV_inc ((SV *)hv); |
2034 | SV *cb = gensub (aTHX_ coro_rouse_callback, (void *)data); |
2195 | SV *cb = s_gensub (aTHX_ coro_rouse_callback, (void *)data); |
2035 | |
2196 | |
2036 | sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0); |
2197 | sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0); |
2037 | SvREFCNT_dec (data); /* magicext increases the refcount */ |
2198 | SvREFCNT_dec (data); /* magicext increases the refcount */ |
2038 | |
2199 | |
2039 | SvREFCNT_dec (coro->rouse_cb); |
2200 | SvREFCNT_dec (coro->rouse_cb); |
… | |
… | |
2264 | if (PL_op->op_flags & OPf_STACKED) |
2425 | if (PL_op->op_flags & OPf_STACKED) |
2265 | { |
2426 | { |
2266 | if (items > slf_arga) |
2427 | if (items > slf_arga) |
2267 | { |
2428 | { |
2268 | slf_arga = items; |
2429 | slf_arga = items; |
2269 | free (slf_argv); |
2430 | Safefree (slf_argv); |
2270 | slf_argv = malloc (slf_arga * sizeof (SV *)); |
2431 | New (0, slf_argv, slf_arga, SV *); |
2271 | } |
2432 | } |
2272 | |
2433 | |
2273 | slf_argc = items; |
2434 | slf_argc = items; |
2274 | |
2435 | |
2275 | for (i = 0; i < items; ++i) |
2436 | for (i = 0; i < items; ++i) |
… | |
… | |
2280 | |
2441 | |
2281 | PL_op->op_ppaddr = pp_slf; |
2442 | PL_op->op_ppaddr = pp_slf; |
2282 | /*PL_op->op_type = OP_CUSTOM; /* we do behave like entersub still */ |
2443 | /*PL_op->op_type = OP_CUSTOM; /* we do behave like entersub still */ |
2283 | |
2444 | |
2284 | PL_op = (OP *)&slf_restore; |
2445 | PL_op = (OP *)&slf_restore; |
|
|
2446 | } |
|
|
2447 | |
|
|
2448 | /*****************************************************************************/ |
|
|
2449 | /* dynamic wind */ |
|
|
2450 | |
|
|
2451 | static void |
|
|
2452 | on_enterleave_call (pTHX_ SV *cb) |
|
|
2453 | { |
|
|
2454 | dSP; |
|
|
2455 | |
|
|
2456 | PUSHSTACK; |
|
|
2457 | |
|
|
2458 | PUSHMARK (SP); |
|
|
2459 | PUTBACK; |
|
|
2460 | call_sv (cb, G_VOID | G_DISCARD); |
|
|
2461 | SPAGAIN; |
|
|
2462 | |
|
|
2463 | POPSTACK; |
|
|
2464 | } |
|
|
2465 | |
|
|
2466 | static SV * |
|
|
2467 | coro_avp_pop_and_free (pTHX_ AV **avp) |
|
|
2468 | { |
|
|
2469 | AV *av = *avp; |
|
|
2470 | SV *res = av_pop (av); |
|
|
2471 | |
|
|
2472 | if (AvFILLp (av) < 0) |
|
|
2473 | { |
|
|
2474 | *avp = 0; |
|
|
2475 | SvREFCNT_dec (av); |
|
|
2476 | } |
|
|
2477 | |
|
|
2478 | return res; |
|
|
2479 | } |
|
|
2480 | |
|
|
2481 | static void |
|
|
2482 | coro_pop_on_enter (pTHX_ void *coro) |
|
|
2483 | { |
|
|
2484 | SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_enter); |
|
|
2485 | SvREFCNT_dec (cb); |
|
|
2486 | } |
|
|
2487 | |
|
|
2488 | static void |
|
|
2489 | coro_pop_on_leave (pTHX_ void *coro) |
|
|
2490 | { |
|
|
2491 | SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_leave); |
|
|
2492 | on_enterleave_call (aTHX_ sv_2mortal (cb)); |
2285 | } |
2493 | } |
2286 | |
2494 | |
2287 | /*****************************************************************************/ |
2495 | /*****************************************************************************/ |
2288 | /* PerlIO::cede */ |
2496 | /* PerlIO::cede */ |
2289 | |
2497 | |
… | |
… | |
2363 | /* Coro::Semaphore & Coro::Signal */ |
2571 | /* Coro::Semaphore & Coro::Signal */ |
2364 | |
2572 | |
2365 | static SV * |
2573 | static SV * |
2366 | coro_waitarray_new (pTHX_ int count) |
2574 | coro_waitarray_new (pTHX_ int count) |
2367 | { |
2575 | { |
2368 | /* a semaphore contains a counter IV in $sem->[0] and any waiters after that */ |
2576 | /* a waitarray=semaphore contains a counter IV in $sem->[0] and any waiters after that */ |
2369 | AV *av = newAV (); |
2577 | AV *av = newAV (); |
2370 | SV **ary; |
2578 | SV **ary; |
2371 | |
2579 | |
2372 | /* unfortunately, building manually saves memory */ |
2580 | /* unfortunately, building manually saves memory */ |
2373 | Newx (ary, 2, SV *); |
2581 | Newx (ary, 2, SV *); |
… | |
… | |
2515 | { |
2723 | { |
2516 | if (items >= 2) |
2724 | if (items >= 2) |
2517 | { |
2725 | { |
2518 | /* callback form */ |
2726 | /* callback form */ |
2519 | AV *av = (AV *)SvRV (arg [0]); |
2727 | AV *av = (AV *)SvRV (arg [0]); |
2520 | CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]); |
2728 | SV *cb_cv = s_get_cv_croak (arg [1]); |
2521 | |
2729 | |
2522 | av_push (av, (SV *)SvREFCNT_inc_NN (cb_cv)); |
2730 | av_push (av, SvREFCNT_inc_NN (cb_cv)); |
2523 | |
2731 | |
2524 | if (SvIVX (AvARRAY (av)[0]) > 0) |
2732 | if (SvIVX (AvARRAY (av)[0]) > 0) |
2525 | coro_semaphore_adjust (aTHX_ av, 0); |
2733 | coro_semaphore_adjust (aTHX_ av, 0); |
2526 | |
2734 | |
2527 | frame->prepare = prepare_nop; |
2735 | frame->prepare = prepare_nop; |
… | |
… | |
2551 | AvARRAY (av)[0] = AvARRAY (av)[1]; |
2759 | AvARRAY (av)[0] = AvARRAY (av)[1]; |
2552 | AvARRAY (av)[1] = cb; |
2760 | AvARRAY (av)[1] = cb; |
2553 | |
2761 | |
2554 | cb = av_shift (av); |
2762 | cb = av_shift (av); |
2555 | |
2763 | |
|
|
2764 | if (SvTYPE (cb) == SVt_PVCV) |
|
|
2765 | { |
|
|
2766 | dSP; |
|
|
2767 | PUSHMARK (SP); |
|
|
2768 | XPUSHs (sv_2mortal (newRV_inc ((SV *)av))); |
|
|
2769 | PUTBACK; |
|
|
2770 | call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR); |
|
|
2771 | } |
|
|
2772 | else |
|
|
2773 | { |
2556 | api_ready (aTHX_ cb); |
2774 | api_ready (aTHX_ cb); |
2557 | sv_setiv (cb, 0); /* signal waiter */ |
2775 | sv_setiv (cb, 0); /* signal waiter */ |
|
|
2776 | } |
|
|
2777 | |
2558 | SvREFCNT_dec (cb); |
2778 | SvREFCNT_dec (cb); |
2559 | |
2779 | |
2560 | --count; |
2780 | --count; |
2561 | } |
2781 | } |
2562 | } |
2782 | } |
… | |
… | |
2571 | static void |
2791 | static void |
2572 | slf_init_signal_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2792 | slf_init_signal_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2573 | { |
2793 | { |
2574 | AV *av = (AV *)SvRV (arg [0]); |
2794 | AV *av = (AV *)SvRV (arg [0]); |
2575 | |
2795 | |
|
|
2796 | if (items >= 2) |
|
|
2797 | { |
|
|
2798 | SV *cb_cv = s_get_cv_croak (arg [1]); |
|
|
2799 | av_push (av, SvREFCNT_inc_NN (cb_cv)); |
|
|
2800 | |
2576 | if (SvIVX (AvARRAY (av)[0])) |
2801 | if (SvIVX (AvARRAY (av)[0])) |
|
|
2802 | coro_signal_wake (aTHX_ av, 1); /* must be the only waiter */ |
|
|
2803 | |
|
|
2804 | frame->prepare = prepare_nop; |
|
|
2805 | frame->check = slf_check_nop; |
|
|
2806 | } |
|
|
2807 | else if (SvIVX (AvARRAY (av)[0])) |
2577 | { |
2808 | { |
2578 | SvIVX (AvARRAY (av)[0]) = 0; |
2809 | SvIVX (AvARRAY (av)[0]) = 0; |
2579 | frame->prepare = prepare_nop; |
2810 | frame->prepare = prepare_nop; |
2580 | frame->check = slf_check_nop; |
2811 | frame->check = slf_check_nop; |
2581 | } |
2812 | } |
2582 | else |
2813 | else |
2583 | { |
2814 | { |
2584 | SV *waiter = newRV_inc (SvRV (coro_current)); /* owned by signal av */ |
2815 | SV *waiter = newSVsv (coro_current); /* owned by signal av */ |
2585 | |
2816 | |
2586 | av_push (av, waiter); |
2817 | av_push (av, waiter); |
2587 | |
2818 | |
2588 | frame->data = (void *)sv_2mortal (SvREFCNT_inc_NN (waiter)); /* owned by process */ |
2819 | frame->data = (void *)sv_2mortal (SvREFCNT_inc_NN (waiter)); /* owned by process */ |
2589 | frame->prepare = prepare_schedule; |
2820 | frame->prepare = prepare_schedule; |
… | |
… | |
2607 | |
2838 | |
2608 | static void |
2839 | static void |
2609 | coro_aio_callback (pTHX_ CV *cv) |
2840 | coro_aio_callback (pTHX_ CV *cv) |
2610 | { |
2841 | { |
2611 | dXSARGS; |
2842 | dXSARGS; |
2612 | AV *state = (AV *)GENSUB_ARG; |
2843 | AV *state = (AV *)S_GENSUB_ARG; |
2613 | SV *coro = av_pop (state); |
2844 | SV *coro = av_pop (state); |
2614 | SV *data_sv = newSV (sizeof (struct io_state)); |
2845 | SV *data_sv = newSV (sizeof (struct io_state)); |
2615 | |
2846 | |
2616 | av_extend (state, items - 1); |
2847 | av_extend (state, items - 1); |
2617 | |
2848 | |
… | |
… | |
2731 | |
2962 | |
2732 | for (i = 0; i < items; ++i) |
2963 | for (i = 0; i < items; ++i) |
2733 | PUSHs (arg [i]); |
2964 | PUSHs (arg [i]); |
2734 | |
2965 | |
2735 | /* now push the callback closure */ |
2966 | /* now push the callback closure */ |
2736 | PUSHs (sv_2mortal (gensub (aTHX_ coro_aio_callback, (void *)SvREFCNT_inc_NN ((SV *)state)))); |
2967 | PUSHs (sv_2mortal (s_gensub (aTHX_ coro_aio_callback, (void *)SvREFCNT_inc_NN ((SV *)state)))); |
2737 | |
2968 | |
2738 | /* now call the AIO function - we assume our request is uncancelable */ |
2969 | /* now call the AIO function - we assume our request is uncancelable */ |
2739 | PUTBACK; |
2970 | PUTBACK; |
2740 | call_sv ((SV *)req, G_VOID | G_DISCARD); |
2971 | call_sv ((SV *)req, G_VOID | G_DISCARD); |
2741 | } |
2972 | } |
2742 | |
2973 | |
2743 | /* now that the requets is going, we loop toll we have a result */ |
2974 | /* now that the request is going, we loop till we have a result */ |
2744 | frame->data = (void *)state; |
2975 | frame->data = (void *)state; |
2745 | frame->prepare = prepare_schedule; |
2976 | frame->prepare = prepare_schedule; |
2746 | frame->check = slf_check_aio_req; |
2977 | frame->check = slf_check_aio_req; |
2747 | } |
2978 | } |
2748 | |
2979 | |
… | |
… | |
2759 | /*****************************************************************************/ |
2990 | /*****************************************************************************/ |
2760 | |
2991 | |
2761 | #if CORO_CLONE |
2992 | #if CORO_CLONE |
2762 | # include "clone.c" |
2993 | # include "clone.c" |
2763 | #endif |
2994 | #endif |
|
|
2995 | |
|
|
2996 | /*****************************************************************************/ |
|
|
2997 | |
|
|
2998 | static SV * |
|
|
2999 | coro_new (pTHX_ HV *stash, SV **argv, int argc, int is_coro) |
|
|
3000 | { |
|
|
3001 | SV *coro_sv; |
|
|
3002 | struct coro *coro; |
|
|
3003 | MAGIC *mg; |
|
|
3004 | HV *hv; |
|
|
3005 | SV *cb; |
|
|
3006 | int i; |
|
|
3007 | |
|
|
3008 | if (argc > 0) |
|
|
3009 | { |
|
|
3010 | cb = s_get_cv_croak (argv [0]); |
|
|
3011 | |
|
|
3012 | if (!is_coro) |
|
|
3013 | { |
|
|
3014 | if (CvISXSUB (cb)) |
|
|
3015 | croak ("Coro::State doesn't support XS functions as coroutine start, caught"); |
|
|
3016 | |
|
|
3017 | if (!CvROOT (cb)) |
|
|
3018 | croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught"); |
|
|
3019 | } |
|
|
3020 | } |
|
|
3021 | |
|
|
3022 | Newz (0, coro, 1, struct coro); |
|
|
3023 | coro->args = newAV (); |
|
|
3024 | coro->flags = CF_NEW; |
|
|
3025 | |
|
|
3026 | if (coro_first) coro_first->prev = coro; |
|
|
3027 | coro->next = coro_first; |
|
|
3028 | coro_first = coro; |
|
|
3029 | |
|
|
3030 | coro->hv = hv = newHV (); |
|
|
3031 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
|
|
3032 | mg->mg_flags |= MGf_DUP; |
|
|
3033 | coro_sv = sv_bless (newRV_noinc ((SV *)hv), stash); |
|
|
3034 | |
|
|
3035 | if (argc > 0) |
|
|
3036 | { |
|
|
3037 | av_extend (coro->args, argc + is_coro - 1); |
|
|
3038 | |
|
|
3039 | if (is_coro) |
|
|
3040 | { |
|
|
3041 | av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb)); |
|
|
3042 | cb = (SV *)cv_coro_run; |
|
|
3043 | } |
|
|
3044 | |
|
|
3045 | coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb); |
|
|
3046 | |
|
|
3047 | for (i = 1; i < argc; i++) |
|
|
3048 | av_push (coro->args, newSVsv (argv [i])); |
|
|
3049 | } |
|
|
3050 | |
|
|
3051 | return coro_sv; |
|
|
3052 | } |
2764 | |
3053 | |
2765 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
3054 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
2766 | |
3055 | |
2767 | PROTOTYPES: DISABLE |
3056 | PROTOTYPES: DISABLE |
2768 | |
3057 | |
… | |
… | |
2828 | |
3117 | |
2829 | if (!svp) croak ("Time::HiRes is required"); |
3118 | if (!svp) croak ("Time::HiRes is required"); |
2830 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer"); |
3119 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer"); |
2831 | |
3120 | |
2832 | nvtime = INT2PTR (double (*)(), SvIV (*svp)); |
3121 | nvtime = INT2PTR (double (*)(), SvIV (*svp)); |
|
|
3122 | |
|
|
3123 | svp = hv_fetch (PL_modglobal, "Time::U2time", 12, 0); |
|
|
3124 | u2time = INT2PTR (void (*)(pTHX_ UV ret[2]), SvIV (*svp)); |
2833 | } |
3125 | } |
2834 | |
3126 | |
2835 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
3127 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
2836 | } |
3128 | } |
2837 | |
3129 | |
2838 | SV * |
3130 | SV * |
2839 | new (char *klass, ...) |
3131 | new (SV *klass, ...) |
2840 | ALIAS: |
3132 | ALIAS: |
2841 | Coro::new = 1 |
3133 | Coro::new = 1 |
2842 | CODE: |
3134 | CODE: |
2843 | { |
3135 | RETVAL = coro_new (aTHX_ ix ? coro_stash : coro_state_stash, &ST (1), items - 1, ix); |
2844 | struct coro *coro; |
3136 | OUTPUT: |
2845 | MAGIC *mg; |
|
|
2846 | HV *hv; |
|
|
2847 | CV *cb; |
|
|
2848 | int i; |
|
|
2849 | |
|
|
2850 | if (items > 1) |
|
|
2851 | { |
|
|
2852 | cb = coro_sv_2cv (aTHX_ ST (1)); |
|
|
2853 | |
|
|
2854 | if (!ix) |
|
|
2855 | { |
|
|
2856 | if (CvISXSUB (cb)) |
|
|
2857 | croak ("Coro::State doesn't support XS functions as coroutine start, caught"); |
|
|
2858 | |
|
|
2859 | if (!CvROOT (cb)) |
|
|
2860 | croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught"); |
|
|
2861 | } |
|
|
2862 | } |
|
|
2863 | |
|
|
2864 | Newz (0, coro, 1, struct coro); |
|
|
2865 | coro->args = newAV (); |
|
|
2866 | coro->flags = CF_NEW; |
|
|
2867 | |
|
|
2868 | if (coro_first) coro_first->prev = coro; |
|
|
2869 | coro->next = coro_first; |
|
|
2870 | coro_first = coro; |
|
|
2871 | |
|
|
2872 | coro->hv = hv = newHV (); |
|
|
2873 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
|
|
2874 | mg->mg_flags |= MGf_DUP; |
|
|
2875 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
|
|
2876 | |
|
|
2877 | if (items > 1) |
|
|
2878 | { |
|
|
2879 | av_extend (coro->args, items - 1 + ix - 1); |
|
|
2880 | |
|
|
2881 | if (ix) |
|
|
2882 | { |
|
|
2883 | av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb)); |
|
|
2884 | cb = cv_coro_run; |
|
|
2885 | } |
|
|
2886 | |
|
|
2887 | coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb); |
|
|
2888 | |
|
|
2889 | for (i = 2; i < items; i++) |
|
|
2890 | av_push (coro->args, newSVsv (ST (i))); |
|
|
2891 | } |
|
|
2892 | } |
|
|
2893 | OUTPUT: |
|
|
2894 | RETVAL |
3137 | RETVAL |
2895 | |
3138 | |
2896 | void |
3139 | void |
2897 | transfer (...) |
3140 | transfer (...) |
2898 | PROTOTYPE: $$ |
3141 | PROTOTYPE: $$ |
… | |
… | |
2915 | SV * |
3158 | SV * |
2916 | clone (Coro::State coro) |
3159 | clone (Coro::State coro) |
2917 | CODE: |
3160 | CODE: |
2918 | { |
3161 | { |
2919 | #if CORO_CLONE |
3162 | #if CORO_CLONE |
2920 | struct coro *ncoro = coro_clone (coro); |
3163 | struct coro *ncoro = coro_clone (aTHX_ coro); |
2921 | MAGIC *mg; |
3164 | MAGIC *mg; |
2922 | /* TODO: too much duplication */ |
3165 | /* TODO: too much duplication */ |
2923 | ncoro->hv = newHV (); |
3166 | ncoro->hv = newHV (); |
2924 | mg = sv_magicext ((SV *)ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)ncoro, 0); |
3167 | mg = sv_magicext ((SV *)ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)ncoro, 0); |
2925 | mg->mg_flags |= MGf_DUP; |
3168 | mg->mg_flags |= MGf_DUP; |
… | |
… | |
2987 | eval = 1 |
3230 | eval = 1 |
2988 | CODE: |
3231 | CODE: |
2989 | { |
3232 | { |
2990 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
3233 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
2991 | { |
3234 | { |
2992 | struct coro temp; |
3235 | struct coro *current = SvSTATE_current; |
2993 | |
3236 | |
2994 | if (!(coro->flags & CF_RUNNING)) |
3237 | if (current != coro) |
2995 | { |
3238 | { |
2996 | PUTBACK; |
3239 | PUTBACK; |
2997 | save_perl (aTHX_ &temp); |
3240 | save_perl (aTHX_ current); |
2998 | load_perl (aTHX_ coro); |
3241 | load_perl (aTHX_ coro); |
|
|
3242 | SPAGAIN; |
2999 | } |
3243 | } |
3000 | |
3244 | |
3001 | { |
|
|
3002 | dSP; |
|
|
3003 | ENTER; |
|
|
3004 | SAVETMPS; |
|
|
3005 | PUTBACK; |
|
|
3006 | PUSHSTACK; |
3245 | PUSHSTACK; |
|
|
3246 | |
3007 | PUSHMARK (SP); |
3247 | PUSHMARK (SP); |
|
|
3248 | PUTBACK; |
3008 | |
3249 | |
3009 | if (ix) |
3250 | if (ix) |
3010 | eval_sv (coderef, 0); |
3251 | eval_sv (coderef, 0); |
3011 | else |
3252 | else |
3012 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
3253 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
3013 | |
3254 | |
3014 | POPSTACK; |
3255 | POPSTACK; |
3015 | SPAGAIN; |
3256 | SPAGAIN; |
3016 | FREETMPS; |
|
|
3017 | LEAVE; |
|
|
3018 | PUTBACK; |
|
|
3019 | } |
|
|
3020 | |
3257 | |
3021 | if (!(coro->flags & CF_RUNNING)) |
3258 | if (current != coro) |
3022 | { |
3259 | { |
|
|
3260 | PUTBACK; |
3023 | save_perl (aTHX_ coro); |
3261 | save_perl (aTHX_ coro); |
3024 | load_perl (aTHX_ &temp); |
3262 | load_perl (aTHX_ current); |
3025 | SPAGAIN; |
3263 | SPAGAIN; |
3026 | } |
3264 | } |
3027 | } |
3265 | } |
3028 | } |
3266 | } |
3029 | |
3267 | |
… | |
… | |
3033 | ALIAS: |
3271 | ALIAS: |
3034 | is_ready = CF_READY |
3272 | is_ready = CF_READY |
3035 | is_running = CF_RUNNING |
3273 | is_running = CF_RUNNING |
3036 | is_new = CF_NEW |
3274 | is_new = CF_NEW |
3037 | is_destroyed = CF_DESTROYED |
3275 | is_destroyed = CF_DESTROYED |
|
|
3276 | is_suspended = CF_SUSPENDED |
3038 | CODE: |
3277 | CODE: |
3039 | RETVAL = boolSV (coro->flags & ix); |
3278 | RETVAL = boolSV (coro->flags & ix); |
3040 | OUTPUT: |
3279 | OUTPUT: |
3041 | RETVAL |
3280 | RETVAL |
3042 | |
3281 | |
3043 | void |
3282 | void |
3044 | throw (Coro::State self, SV *throw = &PL_sv_undef) |
3283 | throw (Coro::State self, SV *exception = &PL_sv_undef) |
3045 | PROTOTYPE: $;$ |
3284 | PROTOTYPE: $;$ |
3046 | CODE: |
3285 | CODE: |
3047 | { |
3286 | { |
3048 | struct coro *current = SvSTATE_current; |
3287 | struct coro *current = SvSTATE_current; |
3049 | SV **throwp = self == current ? &CORO_THROW : &self->except; |
3288 | SV **exceptionp = self == current ? &CORO_THROW : &self->except; |
3050 | SvREFCNT_dec (*throwp); |
3289 | SvREFCNT_dec (*exceptionp); |
3051 | *throwp = SvOK (throw) ? newSVsv (throw) : 0; |
3290 | SvGETMAGIC (exception); |
|
|
3291 | *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; |
3052 | } |
3292 | } |
3053 | |
3293 | |
3054 | void |
3294 | void |
3055 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3295 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3056 | PROTOTYPE: $;$ |
3296 | PROTOTYPE: $;$ |
… | |
… | |
3107 | SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv; |
3347 | SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv; |
3108 | |
3348 | |
3109 | SV *tmp = *src; *src = *dst; *dst = tmp; |
3349 | SV *tmp = *src; *src = *dst; *dst = tmp; |
3110 | } |
3350 | } |
3111 | |
3351 | |
|
|
3352 | void |
|
|
3353 | cancel (Coro::State self) |
|
|
3354 | CODE: |
|
|
3355 | coro_state_destroy (aTHX_ self); |
|
|
3356 | coro_call_on_destroy (aTHX_ self); /* actually only for Coro objects */ |
|
|
3357 | |
|
|
3358 | |
|
|
3359 | SV * |
|
|
3360 | enable_times (int enabled = enable_times) |
|
|
3361 | CODE: |
|
|
3362 | { |
|
|
3363 | RETVAL = boolSV (enable_times); |
|
|
3364 | |
|
|
3365 | if (enabled != enable_times) |
|
|
3366 | { |
|
|
3367 | enable_times = enabled; |
|
|
3368 | |
|
|
3369 | coro_times_update (); |
|
|
3370 | (enabled ? coro_times_sub : coro_times_add)(SvSTATE (coro_current)); |
|
|
3371 | } |
|
|
3372 | } |
|
|
3373 | OUTPUT: |
|
|
3374 | RETVAL |
|
|
3375 | |
|
|
3376 | void |
|
|
3377 | times (Coro::State self) |
|
|
3378 | PPCODE: |
|
|
3379 | { |
|
|
3380 | struct coro *current = SvSTATE (coro_current); |
|
|
3381 | |
|
|
3382 | if (expect_false (current == self)) |
|
|
3383 | { |
|
|
3384 | coro_times_update (); |
|
|
3385 | coro_times_add (SvSTATE (coro_current)); |
|
|
3386 | } |
|
|
3387 | |
|
|
3388 | EXTEND (SP, 2); |
|
|
3389 | PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9))); |
|
|
3390 | PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9))); |
|
|
3391 | |
|
|
3392 | if (expect_false (current == self)) |
|
|
3393 | coro_times_sub (SvSTATE (coro_current)); |
|
|
3394 | } |
|
|
3395 | |
|
|
3396 | void |
|
|
3397 | swap_sv (Coro::State coro, SV *sv, SV *swapsv) |
|
|
3398 | CODE: |
|
|
3399 | { |
|
|
3400 | struct coro *current = SvSTATE_current; |
|
|
3401 | |
|
|
3402 | if (current == coro) |
|
|
3403 | SWAP_SVS (current); |
|
|
3404 | |
|
|
3405 | if (!coro->swap_sv) |
|
|
3406 | coro->swap_sv = newAV (); |
|
|
3407 | |
|
|
3408 | av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (sv ))); |
|
|
3409 | av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (swapsv))); |
|
|
3410 | |
|
|
3411 | if (current == coro) |
|
|
3412 | SWAP_SVS (current); |
|
|
3413 | } |
|
|
3414 | |
3112 | |
3415 | |
3113 | MODULE = Coro::State PACKAGE = Coro |
3416 | MODULE = Coro::State PACKAGE = Coro |
3114 | |
3417 | |
3115 | BOOT: |
3418 | BOOT: |
3116 | { |
3419 | { |
3117 | int i; |
|
|
3118 | |
|
|
3119 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3420 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3120 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3421 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3121 | cv_coro_run = get_cv ( "Coro::_terminate", GV_ADD); |
3422 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
3122 | cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD); |
3423 | cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD); |
3123 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
3424 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
3124 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
3425 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
3125 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
3426 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
3126 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
3427 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
3127 | sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); |
3428 | sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); |
3128 | |
3429 | |
3129 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3430 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3130 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
3431 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
3131 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
3432 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
3132 | cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new); |
3433 | CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */ |
3133 | |
3434 | |
3134 | coro_stash = gv_stashpv ("Coro", TRUE); |
3435 | coro_stash = gv_stashpv ("Coro", TRUE); |
3135 | |
3436 | |
3136 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
3437 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
3137 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
3438 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
3138 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); |
3439 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL)); |
3139 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); |
3440 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (CORO_PRIO_LOW)); |
3140 | newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE)); |
3441 | newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (CORO_PRIO_IDLE)); |
3141 | newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN)); |
3442 | newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (CORO_PRIO_MIN)); |
3142 | |
|
|
3143 | for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) |
|
|
3144 | coro_ready[i] = newAV (); |
|
|
3145 | |
3443 | |
3146 | { |
3444 | { |
3147 | SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE); |
3445 | SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE); |
3148 | |
3446 | |
3149 | coroapi.schedule = api_schedule; |
3447 | coroapi.schedule = api_schedule; |
… | |
… | |
3159 | sv_setiv (sv, (IV)&coroapi); |
3457 | sv_setiv (sv, (IV)&coroapi); |
3160 | SvREADONLY_on (sv); |
3458 | SvREADONLY_on (sv); |
3161 | } |
3459 | } |
3162 | } |
3460 | } |
3163 | |
3461 | |
|
|
3462 | SV * |
|
|
3463 | async (...) |
|
|
3464 | PROTOTYPE: &@ |
|
|
3465 | CODE: |
|
|
3466 | RETVAL = coro_new (aTHX_ coro_stash, &ST (0), items, 1); |
|
|
3467 | api_ready (aTHX_ RETVAL); |
|
|
3468 | OUTPUT: |
|
|
3469 | RETVAL |
|
|
3470 | |
3164 | void |
3471 | void |
3165 | terminate (...) |
3472 | terminate (...) |
3166 | CODE: |
3473 | CODE: |
3167 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
3474 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
3168 | |
3475 | |
… | |
… | |
3188 | |
3495 | |
3189 | void |
3496 | void |
3190 | cede_notself (...) |
3497 | cede_notself (...) |
3191 | CODE: |
3498 | CODE: |
3192 | CORO_EXECUTE_SLF_XS (slf_init_cede_notself); |
3499 | CORO_EXECUTE_SLF_XS (slf_init_cede_notself); |
3193 | |
|
|
3194 | void |
|
|
3195 | _cancel (Coro::State self) |
|
|
3196 | CODE: |
|
|
3197 | coro_state_destroy (aTHX_ self); |
|
|
3198 | coro_call_on_destroy (aTHX_ self); |
|
|
3199 | |
3500 | |
3200 | void |
3501 | void |
3201 | _set_current (SV *current) |
3502 | _set_current (SV *current) |
3202 | PROTOTYPE: $ |
3503 | PROTOTYPE: $ |
3203 | CODE: |
3504 | CODE: |
… | |
… | |
3207 | void |
3508 | void |
3208 | _set_readyhook (SV *hook) |
3509 | _set_readyhook (SV *hook) |
3209 | PROTOTYPE: $ |
3510 | PROTOTYPE: $ |
3210 | CODE: |
3511 | CODE: |
3211 | SvREFCNT_dec (coro_readyhook); |
3512 | SvREFCNT_dec (coro_readyhook); |
|
|
3513 | SvGETMAGIC (hook); |
|
|
3514 | if (SvOK (hook)) |
|
|
3515 | { |
3212 | coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0; |
3516 | coro_readyhook = newSVsv (hook); |
|
|
3517 | CORO_READYHOOK = invoke_sv_ready_hook_helper; |
|
|
3518 | } |
|
|
3519 | else |
|
|
3520 | { |
|
|
3521 | coro_readyhook = 0; |
|
|
3522 | CORO_READYHOOK = 0; |
|
|
3523 | } |
3213 | |
3524 | |
3214 | int |
3525 | int |
3215 | prio (Coro::State coro, int newprio = 0) |
3526 | prio (Coro::State coro, int newprio = 0) |
3216 | PROTOTYPE: $;$ |
3527 | PROTOTYPE: $;$ |
3217 | ALIAS: |
3528 | ALIAS: |
… | |
… | |
3223 | if (items > 1) |
3534 | if (items > 1) |
3224 | { |
3535 | { |
3225 | if (ix) |
3536 | if (ix) |
3226 | newprio = coro->prio - newprio; |
3537 | newprio = coro->prio - newprio; |
3227 | |
3538 | |
3228 | if (newprio < PRIO_MIN) newprio = PRIO_MIN; |
3539 | if (newprio < CORO_PRIO_MIN) newprio = CORO_PRIO_MIN; |
3229 | if (newprio > PRIO_MAX) newprio = PRIO_MAX; |
3540 | if (newprio > CORO_PRIO_MAX) newprio = CORO_PRIO_MAX; |
3230 | |
3541 | |
3231 | coro->prio = newprio; |
3542 | coro->prio = newprio; |
3232 | } |
3543 | } |
3233 | } |
3544 | } |
3234 | OUTPUT: |
3545 | OUTPUT: |
… | |
… | |
3249 | RETVAL = coro_nready; |
3560 | RETVAL = coro_nready; |
3250 | OUTPUT: |
3561 | OUTPUT: |
3251 | RETVAL |
3562 | RETVAL |
3252 | |
3563 | |
3253 | void |
3564 | void |
|
|
3565 | suspend (Coro::State self) |
|
|
3566 | PROTOTYPE: $ |
|
|
3567 | CODE: |
|
|
3568 | self->flags |= CF_SUSPENDED; |
|
|
3569 | |
|
|
3570 | void |
|
|
3571 | resume (Coro::State self) |
|
|
3572 | PROTOTYPE: $ |
|
|
3573 | CODE: |
|
|
3574 | self->flags &= ~CF_SUSPENDED; |
|
|
3575 | |
|
|
3576 | void |
3254 | _pool_handler (...) |
3577 | _pool_handler (...) |
3255 | CODE: |
3578 | CODE: |
3256 | CORO_EXECUTE_SLF_XS (slf_init_pool_handler); |
3579 | CORO_EXECUTE_SLF_XS (slf_init_pool_handler); |
3257 | |
3580 | |
3258 | void |
3581 | void |
… | |
… | |
3269 | for (i = 1; i < items; ++i) |
3592 | for (i = 1; i < items; ++i) |
3270 | av_push (av, SvREFCNT_inc_NN (ST (i))); |
3593 | av_push (av, SvREFCNT_inc_NN (ST (i))); |
3271 | |
3594 | |
3272 | if ((SV *)hv == &PL_sv_undef) |
3595 | if ((SV *)hv == &PL_sv_undef) |
3273 | { |
3596 | { |
3274 | PUSHMARK (SP); |
3597 | SV *sv = coro_new (aTHX_ coro_stash, (SV **)&cv_pool_handler, 1, 1); |
3275 | EXTEND (SP, 2); |
|
|
3276 | PUSHs (sv_Coro); |
|
|
3277 | PUSHs ((SV *)cv_pool_handler); |
|
|
3278 | PUTBACK; |
|
|
3279 | call_sv ((SV *)cv_coro_state_new, G_SCALAR); |
|
|
3280 | SPAGAIN; |
|
|
3281 | |
|
|
3282 | hv = (HV *)SvREFCNT_inc_NN (SvRV (POPs)); |
3598 | hv = (HV *)SvREFCNT_inc_NN (SvRV (sv)); |
|
|
3599 | SvREFCNT_dec (sv); |
3283 | } |
3600 | } |
3284 | |
3601 | |
3285 | { |
3602 | { |
3286 | struct coro *coro = SvSTATE_hv (hv); |
3603 | struct coro *coro = SvSTATE_hv (hv); |
3287 | |
3604 | |
… | |
… | |
3311 | rouse_wait (...) |
3628 | rouse_wait (...) |
3312 | PROTOTYPE: ;$ |
3629 | PROTOTYPE: ;$ |
3313 | PPCODE: |
3630 | PPCODE: |
3314 | CORO_EXECUTE_SLF_XS (slf_init_rouse_wait); |
3631 | CORO_EXECUTE_SLF_XS (slf_init_rouse_wait); |
3315 | |
3632 | |
|
|
3633 | void |
|
|
3634 | on_enter (SV *block) |
|
|
3635 | ALIAS: |
|
|
3636 | on_leave = 1 |
|
|
3637 | PROTOTYPE: & |
|
|
3638 | CODE: |
|
|
3639 | { |
|
|
3640 | struct coro *coro = SvSTATE_current; |
|
|
3641 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
|
|
3642 | |
|
|
3643 | block = s_get_cv_croak (block); |
|
|
3644 | |
|
|
3645 | if (!*avp) |
|
|
3646 | *avp = newAV (); |
|
|
3647 | |
|
|
3648 | av_push (*avp, SvREFCNT_inc (block)); |
|
|
3649 | |
|
|
3650 | if (!ix) |
|
|
3651 | on_enterleave_call (aTHX_ block); |
|
|
3652 | |
|
|
3653 | LEAVE; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */ |
|
|
3654 | SAVEDESTRUCTOR_X (ix ? coro_pop_on_leave : coro_pop_on_enter, (void *)coro); |
|
|
3655 | ENTER; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */ |
|
|
3656 | } |
|
|
3657 | |
3316 | |
3658 | |
3317 | MODULE = Coro::State PACKAGE = PerlIO::cede |
3659 | MODULE = Coro::State PACKAGE = PerlIO::cede |
3318 | |
3660 | |
3319 | BOOT: |
3661 | BOOT: |
3320 | PerlIO_define_layer (aTHX_ &PerlIO_cede); |
3662 | PerlIO_define_layer (aTHX_ &PerlIO_cede); |
… | |
… | |
3323 | MODULE = Coro::State PACKAGE = Coro::Semaphore |
3665 | MODULE = Coro::State PACKAGE = Coro::Semaphore |
3324 | |
3666 | |
3325 | SV * |
3667 | SV * |
3326 | new (SV *klass, SV *count = 0) |
3668 | new (SV *klass, SV *count = 0) |
3327 | CODE: |
3669 | CODE: |
|
|
3670 | { |
|
|
3671 | int semcnt = 1; |
|
|
3672 | |
|
|
3673 | if (count) |
|
|
3674 | { |
|
|
3675 | SvGETMAGIC (count); |
|
|
3676 | |
|
|
3677 | if (SvOK (count)) |
|
|
3678 | semcnt = SvIV (count); |
|
|
3679 | } |
|
|
3680 | |
3328 | RETVAL = sv_bless ( |
3681 | RETVAL = sv_bless ( |
3329 | coro_waitarray_new (aTHX_ count && SvOK (count) ? SvIV (count) : 1), |
3682 | coro_waitarray_new (aTHX_ semcnt), |
3330 | GvSTASH (CvGV (cv)) |
3683 | GvSTASH (CvGV (cv)) |
3331 | ); |
3684 | ); |
|
|
3685 | } |
3332 | OUTPUT: |
3686 | OUTPUT: |
3333 | RETVAL |
3687 | RETVAL |
3334 | |
3688 | |
3335 | # helper for Coro::Channel |
3689 | # helper for Coro::Channel and others |
3336 | SV * |
3690 | SV * |
3337 | _alloc (int count) |
3691 | _alloc (int count) |
3338 | CODE: |
3692 | CODE: |
3339 | RETVAL = coro_waitarray_new (aTHX_ count); |
3693 | RETVAL = coro_waitarray_new (aTHX_ count); |
3340 | OUTPUT: |
3694 | OUTPUT: |
… | |
… | |
3398 | for (i = 1; i <= wcount; ++i) |
3752 | for (i = 1; i <= wcount; ++i) |
3399 | PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i]))); |
3753 | PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i]))); |
3400 | } |
3754 | } |
3401 | } |
3755 | } |
3402 | |
3756 | |
|
|
3757 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
|
|
3758 | |
|
|
3759 | void |
|
|
3760 | _may_delete (SV *sem, int count, int extra_refs) |
|
|
3761 | PPCODE: |
|
|
3762 | { |
|
|
3763 | AV *av = (AV *)SvRV (sem); |
|
|
3764 | |
|
|
3765 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
|
|
3766 | && AvFILLp (av) == 0 /* no waiters, just count */ |
|
|
3767 | && SvIV (AvARRAY (av)[0]) == count) |
|
|
3768 | XSRETURN_YES; |
|
|
3769 | |
|
|
3770 | XSRETURN_NO; |
|
|
3771 | } |
|
|
3772 | |
3403 | MODULE = Coro::State PACKAGE = Coro::Signal |
3773 | MODULE = Coro::State PACKAGE = Coro::Signal |
3404 | |
3774 | |
3405 | SV * |
3775 | SV * |
3406 | new (SV *klass) |
3776 | new (SV *klass) |
3407 | CODE: |
3777 | CODE: |
… | |
… | |
3478 | |
3848 | |
3479 | void |
3849 | void |
3480 | _register (char *target, char *proto, SV *req) |
3850 | _register (char *target, char *proto, SV *req) |
3481 | CODE: |
3851 | CODE: |
3482 | { |
3852 | { |
3483 | CV *req_cv = coro_sv_2cv (aTHX_ req); |
3853 | SV *req_cv = s_get_cv_croak (req); |
3484 | /* newXSproto doesn't return the CV on 5.8 */ |
3854 | /* newXSproto doesn't return the CV on 5.8 */ |
3485 | CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__); |
3855 | CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__); |
3486 | sv_setpv ((SV *)slf_cv, proto); |
3856 | sv_setpv ((SV *)slf_cv, proto); |
3487 | sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0); |
3857 | sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0); |
3488 | } |
3858 | } |
3489 | |
3859 | |
|
|
3860 | MODULE = Coro::State PACKAGE = Coro::Select |
|
|
3861 | |
|
|
3862 | void |
|
|
3863 | patch_pp_sselect () |
|
|
3864 | CODE: |
|
|
3865 | if (!coro_old_pp_sselect) |
|
|
3866 | { |
|
|
3867 | coro_select_select = (SV *)get_cv ("Coro::Select::select", 0); |
|
|
3868 | coro_old_pp_sselect = PL_ppaddr [OP_SSELECT]; |
|
|
3869 | PL_ppaddr [OP_SSELECT] = coro_pp_sselect; |
|
|
3870 | } |
|
|
3871 | |
|
|
3872 | void |
|
|
3873 | unpatch_pp_sselect () |
|
|
3874 | CODE: |
|
|
3875 | if (coro_old_pp_sselect) |
|
|
3876 | { |
|
|
3877 | PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; |
|
|
3878 | coro_old_pp_sselect = 0; |
|
|
3879 | } |
|
|
3880 | |
|
|
3881 | |