… | |
… | |
6 | #include "EXTERN.h" |
6 | #include "EXTERN.h" |
7 | #include "perl.h" |
7 | #include "perl.h" |
8 | #include "XSUB.h" |
8 | #include "XSUB.h" |
9 | #include "perliol.h" |
9 | #include "perliol.h" |
10 | |
10 | |
11 | #include "patchlevel.h" |
11 | #include "schmorp.h" |
12 | |
12 | |
13 | #include <stdio.h> |
13 | #include <stdio.h> |
14 | #include <errno.h> |
14 | #include <errno.h> |
15 | #include <assert.h> |
15 | #include <assert.h> |
16 | |
16 | |
… | |
… | |
51 | #endif |
51 | #endif |
52 | |
52 | |
53 | /* the maximum number of idle cctx that will be pooled */ |
53 | /* the maximum number of idle cctx that will be pooled */ |
54 | static int cctx_max_idle = 4; |
54 | static int cctx_max_idle = 4; |
55 | |
55 | |
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 | |
|
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107 | /* 5.8.7 */ |
|
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108 | #ifndef SvRV_set |
|
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109 | # define SvRV_set(s,v) SvRV(s) = (v) |
|
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110 | #endif |
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111 | |
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112 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
56 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
113 | # undef CORO_STACKGUARD |
57 | # undef CORO_STACKGUARD |
114 | #endif |
58 | #endif |
115 | |
59 | |
116 | #ifndef CORO_STACKGUARD |
60 | #ifndef CORO_STACKGUARD |
… | |
… | |
130 | #else |
74 | #else |
131 | # define dSTACKLEVEL volatile void *stacklevel |
75 | # define dSTACKLEVEL volatile void *stacklevel |
132 | # define STACKLEVEL ((void *)&stacklevel) |
76 | # define STACKLEVEL ((void *)&stacklevel) |
133 | #endif |
77 | #endif |
134 | |
78 | |
135 | #define IN_DESTRUCT (PL_main_cv == Nullcv) |
79 | #define IN_DESTRUCT PL_dirty |
136 | |
80 | |
137 | #if __GNUC__ >= 3 |
81 | #if __GNUC__ >= 3 |
138 | # define attribute(x) __attribute__(x) |
82 | # define attribute(x) __attribute__(x) |
139 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
83 | # define expect(expr,value) __builtin_expect ((expr), (value)) |
140 | # define INLINE static inline |
84 | # define INLINE static inline |
141 | #else |
85 | #else |
142 | # define attribute(x) |
86 | # define attribute(x) |
143 | # define expect(expr,value) (expr) |
87 | # define expect(expr,value) (expr) |
144 | # define INLINE static |
88 | # define INLINE static |
… | |
… | |
156 | # if CORO_PTHREAD |
100 | # if CORO_PTHREAD |
157 | static void *coro_thx; |
101 | static void *coro_thx; |
158 | # endif |
102 | # endif |
159 | #endif |
103 | #endif |
160 | |
104 | |
|
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105 | #ifdef __linux |
|
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106 | # include <time.h> /* for timespec */ |
|
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107 | # include <syscall.h> /* for SYS_* */ |
|
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108 | # ifdef SYS_clock_gettime |
|
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109 | # define coro_clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
|
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110 | # define CORO_CLOCK_MONOTONIC 1 |
|
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111 | # define CORO_CLOCK_THREAD_CPUTIME_ID 3 |
|
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112 | # endif |
|
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113 | #endif |
|
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114 | |
161 | static double (*nvtime)(); /* so why doesn't it take void? */ |
115 | static double (*nvtime)(); /* so why doesn't it take void? */ |
|
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116 | static void (*u2time)(pTHX_ UV ret[2]); |
162 | |
117 | |
163 | /* we hijack an hopefully unused CV flag for our purposes */ |
118 | /* we hijack an hopefully unused CV flag for our purposes */ |
164 | #define CVf_SLF 0x4000 |
119 | #define CVf_SLF 0x4000 |
165 | static OP *pp_slf (pTHX); |
120 | static OP *pp_slf (pTHX); |
166 | |
121 | |
… | |
… | |
172 | static HV *coro_state_stash, *coro_stash; |
127 | static HV *coro_state_stash, *coro_stash; |
173 | static volatile SV *coro_mortal; /* will be freed/thrown after next transfer */ |
128 | static volatile SV *coro_mortal; /* will be freed/thrown after next transfer */ |
174 | |
129 | |
175 | static AV *av_destroy; /* destruction queue */ |
130 | static AV *av_destroy; /* destruction queue */ |
176 | static SV *sv_manager; /* the manager coro */ |
131 | static SV *sv_manager; /* the manager coro */ |
|
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132 | static SV *sv_idle; /* $Coro::idle */ |
177 | |
133 | |
178 | static GV *irsgv; /* $/ */ |
134 | static GV *irsgv; /* $/ */ |
179 | static GV *stdoutgv; /* *STDOUT */ |
135 | static GV *stdoutgv; /* *STDOUT */ |
180 | static SV *rv_diehook; |
136 | static SV *rv_diehook; |
181 | static SV *rv_warnhook; |
137 | static SV *rv_warnhook; |
… | |
… | |
186 | static SV *sv_pool_size; |
142 | static SV *sv_pool_size; |
187 | static SV *sv_async_pool_idle; /* description string */ |
143 | static SV *sv_async_pool_idle; /* description string */ |
188 | static AV *av_async_pool; /* idle pool */ |
144 | static AV *av_async_pool; /* idle pool */ |
189 | static SV *sv_Coro; /* class string */ |
145 | static SV *sv_Coro; /* class string */ |
190 | static CV *cv_pool_handler; |
146 | static CV *cv_pool_handler; |
191 | static CV *cv_coro_state_new; |
|
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192 | |
147 | |
193 | /* Coro::AnyEvent */ |
148 | /* Coro::AnyEvent */ |
194 | static SV *sv_activity; |
149 | static SV *sv_activity; |
|
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150 | |
|
|
151 | /* enable processtime/realtime profiling */ |
|
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152 | static char enable_times; |
|
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153 | typedef U32 coro_ts[2]; |
|
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154 | static coro_ts time_real, time_cpu; |
|
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155 | static char times_valid; |
195 | |
156 | |
196 | static struct coro_cctx *cctx_first; |
157 | static struct coro_cctx *cctx_first; |
197 | static int cctx_count, cctx_idle; |
158 | static int cctx_count, cctx_idle; |
198 | |
159 | |
199 | enum { |
160 | enum { |
… | |
… | |
225 | int valgrind_id; |
186 | int valgrind_id; |
226 | #endif |
187 | #endif |
227 | unsigned char flags; |
188 | unsigned char flags; |
228 | } coro_cctx; |
189 | } coro_cctx; |
229 | |
190 | |
|
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191 | coro_cctx *cctx_current; /* the currently running cctx */ |
|
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192 | |
|
|
193 | /*****************************************************************************/ |
|
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194 | |
230 | enum { |
195 | enum { |
231 | CF_RUNNING = 0x0001, /* coroutine is running */ |
196 | CF_RUNNING = 0x0001, /* coroutine is running */ |
232 | CF_READY = 0x0002, /* coroutine is ready */ |
197 | CF_READY = 0x0002, /* coroutine is ready */ |
233 | CF_NEW = 0x0004, /* has never been switched to */ |
198 | CF_NEW = 0x0004, /* has never been switched to */ |
234 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
199 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
|
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200 | CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */ |
235 | }; |
201 | }; |
236 | |
202 | |
237 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
203 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
238 | typedef struct |
204 | typedef struct |
239 | { |
205 | { |
240 | SV *defsv; |
206 | SV *defsv; |
241 | AV *defav; |
207 | AV *defav; |
242 | SV *errsv; |
208 | SV *errsv; |
243 | SV *irsgv; |
209 | SV *irsgv; |
|
|
210 | HV *hinthv; |
244 | #define VAR(name,type) type name; |
211 | #define VAR(name,type) type name; |
245 | # include "state.h" |
212 | # include "state.h" |
246 | #undef VAR |
213 | #undef VAR |
247 | } perl_slots; |
214 | } perl_slots; |
248 | |
215 | |
… | |
… | |
250 | |
217 | |
251 | /* this is a structure representing a perl-level coroutine */ |
218 | /* this is a structure representing a perl-level coroutine */ |
252 | struct coro { |
219 | struct coro { |
253 | /* the C coroutine allocated to this perl coroutine, if any */ |
220 | /* the C coroutine allocated to this perl coroutine, if any */ |
254 | coro_cctx *cctx; |
221 | coro_cctx *cctx; |
|
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222 | |
|
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223 | /* ready queue */ |
|
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224 | struct coro *next_ready; |
255 | |
225 | |
256 | /* state data */ |
226 | /* state data */ |
257 | struct CoroSLF slf_frame; /* saved slf frame */ |
227 | struct CoroSLF slf_frame; /* saved slf frame */ |
258 | AV *mainstack; |
228 | AV *mainstack; |
259 | perl_slots *slot; /* basically the saved sp */ |
229 | perl_slots *slot; /* basically the saved sp */ |
… | |
… | |
276 | /* async_pool */ |
246 | /* async_pool */ |
277 | SV *saved_deffh; |
247 | SV *saved_deffh; |
278 | SV *invoke_cb; |
248 | SV *invoke_cb; |
279 | AV *invoke_av; |
249 | AV *invoke_av; |
280 | |
250 | |
|
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251 | /* on_enter/on_leave */ |
|
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252 | AV *on_enter; |
|
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253 | AV *on_leave; |
|
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254 | |
|
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255 | /* times */ |
|
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256 | coro_ts t_cpu, t_real; |
|
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257 | |
281 | /* linked list */ |
258 | /* linked list */ |
282 | struct coro *next, *prev; |
259 | struct coro *next, *prev; |
283 | }; |
260 | }; |
284 | |
261 | |
285 | typedef struct coro *Coro__State; |
262 | typedef struct coro *Coro__State; |
… | |
… | |
290 | /* the mainr easonw e don't support windows process emulation */ |
267 | /* the mainr easonw e don't support windows process emulation */ |
291 | static struct CoroSLF slf_frame; /* the current slf frame */ |
268 | static struct CoroSLF slf_frame; /* the current slf frame */ |
292 | |
269 | |
293 | /** Coro ********************************************************************/ |
270 | /** Coro ********************************************************************/ |
294 | |
271 | |
295 | #define PRIO_MAX 3 |
272 | #define CORO_PRIO_MAX 3 |
296 | #define PRIO_HIGH 1 |
273 | #define CORO_PRIO_HIGH 1 |
297 | #define PRIO_NORMAL 0 |
274 | #define CORO_PRIO_NORMAL 0 |
298 | #define PRIO_LOW -1 |
275 | #define CORO_PRIO_LOW -1 |
299 | #define PRIO_IDLE -3 |
276 | #define CORO_PRIO_IDLE -3 |
300 | #define PRIO_MIN -4 |
277 | #define CORO_PRIO_MIN -4 |
301 | |
278 | |
302 | /* for Coro.pm */ |
279 | /* for Coro.pm */ |
303 | static SV *coro_current; |
280 | static SV *coro_current; |
304 | static SV *coro_readyhook; |
281 | static SV *coro_readyhook; |
305 | static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1]; |
282 | static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ |
306 | static CV *cv_coro_run, *cv_coro_terminate; |
283 | static CV *cv_coro_run, *cv_coro_terminate; |
307 | static struct coro *coro_first; |
284 | static struct coro *coro_first; |
308 | #define coro_nready coroapi.nready |
285 | #define coro_nready coroapi.nready |
|
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286 | |
|
|
287 | /** Coro::Select ************************************************************/ |
|
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288 | |
|
|
289 | static OP *(*coro_old_pp_sselect) (pTHX); |
|
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290 | static SV *coro_select_select; |
|
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291 | |
|
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292 | /* horrible hack, but if it works... */ |
|
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293 | static OP * |
|
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294 | coro_pp_sselect (pTHX) |
|
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295 | { |
|
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296 | dSP; |
|
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297 | PUSHMARK (SP - 4); /* fake argument list */ |
|
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298 | XPUSHs (coro_select_select); |
|
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299 | PUTBACK; |
|
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300 | |
|
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301 | /* entersub is an UNOP, select a LISTOP... keep your fingers crossed */ |
|
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302 | PL_op->op_flags |= OPf_STACKED; |
|
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303 | PL_op->op_private = 0; |
|
|
304 | return PL_ppaddr [OP_ENTERSUB](aTHX); |
|
|
305 | } |
309 | |
306 | |
310 | /** lowlevel stuff **********************************************************/ |
307 | /** lowlevel stuff **********************************************************/ |
311 | |
308 | |
312 | static SV * |
309 | static SV * |
313 | coro_get_sv (pTHX_ const char *name, int create) |
310 | coro_get_sv (pTHX_ const char *name, int create) |
… | |
… | |
337 | get_hv (name, create); |
334 | get_hv (name, create); |
338 | #endif |
335 | #endif |
339 | return get_hv (name, create); |
336 | return get_hv (name, create); |
340 | } |
337 | } |
341 | |
338 | |
342 | /* may croak */ |
339 | INLINE void |
343 | INLINE CV * |
340 | coro_times_update () |
344 | coro_sv_2cv (pTHX_ SV *sv) |
|
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345 | { |
341 | { |
|
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342 | #ifdef coro_clock_gettime |
|
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343 | struct timespec ts; |
|
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344 | |
|
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345 | ts.tv_sec = ts.tv_nsec = 0; |
|
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346 | coro_clock_gettime (CORO_CLOCK_THREAD_CPUTIME_ID, &ts); |
|
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347 | time_cpu [0] = ts.tv_sec; time_cpu [1] = ts.tv_nsec; |
|
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348 | |
|
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349 | ts.tv_sec = ts.tv_nsec = 0; |
|
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350 | coro_clock_gettime (CORO_CLOCK_MONOTONIC, &ts); |
|
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351 | time_real [0] = ts.tv_sec; time_real [1] = ts.tv_nsec; |
|
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352 | #else |
|
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353 | dTHX; |
|
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354 | UV tv[2]; |
|
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355 | |
|
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356 | u2time (aTHX_ tv); |
|
|
357 | time_real [0] = tv [0]; |
|
|
358 | time_real [1] = tv [1] * 1000; |
|
|
359 | #endif |
|
|
360 | } |
|
|
361 | |
|
|
362 | INLINE void |
|
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363 | coro_times_add (struct coro *c) |
|
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364 | { |
|
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365 | c->t_real [1] += time_real [1]; |
|
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366 | if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } |
|
|
367 | c->t_real [0] += time_real [0]; |
|
|
368 | |
|
|
369 | c->t_cpu [1] += time_cpu [1]; |
|
|
370 | if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } |
|
|
371 | c->t_cpu [0] += time_cpu [0]; |
|
|
372 | } |
|
|
373 | |
|
|
374 | INLINE void |
|
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375 | coro_times_sub (struct coro *c) |
|
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376 | { |
|
|
377 | if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } |
|
|
378 | c->t_real [1] -= time_real [1]; |
|
|
379 | c->t_real [0] -= time_real [0]; |
|
|
380 | |
|
|
381 | if (c->t_cpu [1] < time_cpu [1]) { c->t_cpu [1] += 1000000000; --c->t_cpu [0]; } |
|
|
382 | c->t_cpu [1] -= time_cpu [1]; |
|
|
383 | c->t_cpu [0] -= time_cpu [0]; |
|
|
384 | } |
|
|
385 | |
|
|
386 | /*****************************************************************************/ |
|
|
387 | /* magic glue */ |
|
|
388 | |
|
|
389 | #define CORO_MAGIC_type_cv 26 |
|
|
390 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
|
|
391 | |
|
|
392 | #define CORO_MAGIC_NN(sv, type) \ |
|
|
393 | (expect_true (SvMAGIC (sv)->mg_type == type) \ |
|
|
394 | ? SvMAGIC (sv) \ |
|
|
395 | : mg_find (sv, type)) |
|
|
396 | |
|
|
397 | #define CORO_MAGIC(sv, type) \ |
|
|
398 | (expect_true (SvMAGIC (sv)) \ |
|
|
399 | ? CORO_MAGIC_NN (sv, type) \ |
|
|
400 | : 0) |
|
|
401 | |
|
|
402 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
|
|
403 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
|
|
404 | |
|
|
405 | INLINE struct coro * |
|
|
406 | SvSTATE_ (pTHX_ SV *coro) |
|
|
407 | { |
346 | HV *st; |
408 | HV *stash; |
347 | GV *gvp; |
409 | MAGIC *mg; |
348 | return sv_2cv (sv, &st, &gvp, 0); |
410 | |
|
|
411 | if (SvROK (coro)) |
|
|
412 | coro = SvRV (coro); |
|
|
413 | |
|
|
414 | if (expect_false (SvTYPE (coro) != SVt_PVHV)) |
|
|
415 | croak ("Coro::State object required"); |
|
|
416 | |
|
|
417 | stash = SvSTASH (coro); |
|
|
418 | if (expect_false (stash != coro_stash && stash != coro_state_stash)) |
|
|
419 | { |
|
|
420 | /* very slow, but rare, check */ |
|
|
421 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
|
|
422 | croak ("Coro::State object required"); |
|
|
423 | } |
|
|
424 | |
|
|
425 | mg = CORO_MAGIC_state (coro); |
|
|
426 | return (struct coro *)mg->mg_ptr; |
349 | } |
427 | } |
|
|
428 | |
|
|
429 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
|
|
430 | |
|
|
431 | /* faster than SvSTATE, but expects a coroutine hv */ |
|
|
432 | #define SvSTATE_hv(hv) ((struct coro *)CORO_MAGIC_NN ((SV *)hv, CORO_MAGIC_type_state)->mg_ptr) |
|
|
433 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
|
|
434 | |
|
|
435 | /*****************************************************************************/ |
|
|
436 | /* padlist management and caching */ |
350 | |
437 | |
351 | static AV * |
438 | static AV * |
352 | coro_clone_padlist (pTHX_ CV *cv) |
439 | coro_derive_padlist (pTHX_ CV *cv) |
353 | { |
440 | { |
354 | AV *padlist = CvPADLIST (cv); |
441 | AV *padlist = CvPADLIST (cv); |
355 | AV *newpadlist, *newpad; |
442 | AV *newpadlist, *newpad; |
356 | |
443 | |
357 | newpadlist = newAV (); |
444 | newpadlist = newAV (); |
… | |
… | |
362 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
449 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
363 | #endif |
450 | #endif |
364 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
451 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
365 | --AvFILLp (padlist); |
452 | --AvFILLp (padlist); |
366 | |
453 | |
367 | av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE))); |
454 | av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0])); |
368 | av_store (newpadlist, 1, (SV *)newpad); |
455 | av_store (newpadlist, 1, (SV *)newpad); |
369 | |
456 | |
370 | return newpadlist; |
457 | return newpadlist; |
371 | } |
458 | } |
372 | |
459 | |
373 | static void |
460 | static void |
374 | free_padlist (pTHX_ AV *padlist) |
461 | free_padlist (pTHX_ AV *padlist) |
375 | { |
462 | { |
376 | /* may be during global destruction */ |
463 | /* may be during global destruction */ |
377 | if (SvREFCNT (padlist)) |
464 | if (!IN_DESTRUCT) |
378 | { |
465 | { |
379 | I32 i = AvFILLp (padlist); |
466 | I32 i = AvFILLp (padlist); |
380 | while (i >= 0) |
467 | |
|
|
468 | while (i > 0) /* special-case index 0 */ |
381 | { |
469 | { |
382 | SV **svp = av_fetch (padlist, i--, FALSE); |
470 | /* we try to be extra-careful here */ |
383 | if (svp) |
471 | AV *av = (AV *)AvARRAY (padlist)[i--]; |
384 | { |
472 | I32 j = AvFILLp (av); |
385 | SV *sv; |
473 | |
386 | while (&PL_sv_undef != (sv = av_pop ((AV *)*svp))) |
474 | while (j >= 0) |
|
|
475 | SvREFCNT_dec (AvARRAY (av)[j--]); |
|
|
476 | |
|
|
477 | AvFILLp (av) = -1; |
387 | SvREFCNT_dec (sv); |
478 | SvREFCNT_dec (av); |
388 | |
|
|
389 | SvREFCNT_dec (*svp); |
|
|
390 | } |
|
|
391 | } |
479 | } |
392 | |
480 | |
|
|
481 | SvREFCNT_dec (AvARRAY (padlist)[0]); |
|
|
482 | |
|
|
483 | AvFILLp (padlist) = -1; |
393 | SvREFCNT_dec ((SV*)padlist); |
484 | SvREFCNT_dec ((SV*)padlist); |
394 | } |
485 | } |
395 | } |
486 | } |
396 | |
487 | |
397 | static int |
488 | static int |
398 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
489 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
399 | { |
490 | { |
400 | AV *padlist; |
491 | AV *padlist; |
401 | AV *av = (AV *)mg->mg_obj; |
492 | AV *av = (AV *)mg->mg_obj; |
|
|
493 | |
|
|
494 | /* perl manages to free our internal AV and _then_ call us */ |
|
|
495 | if (IN_DESTRUCT) |
|
|
496 | return 0; |
402 | |
497 | |
403 | /* casting is fun. */ |
498 | /* casting is fun. */ |
404 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
499 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
405 | free_padlist (aTHX_ padlist); |
500 | free_padlist (aTHX_ padlist); |
406 | |
501 | |
407 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
502 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
408 | |
503 | |
409 | return 0; |
504 | return 0; |
410 | } |
505 | } |
411 | |
|
|
412 | #define CORO_MAGIC_type_cv 26 |
|
|
413 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
|
|
414 | |
506 | |
415 | static MGVTBL coro_cv_vtbl = { |
507 | static MGVTBL coro_cv_vtbl = { |
416 | 0, 0, 0, 0, |
508 | 0, 0, 0, 0, |
417 | coro_cv_free |
509 | coro_cv_free |
418 | }; |
510 | }; |
419 | |
|
|
420 | #define CORO_MAGIC_NN(sv, type) \ |
|
|
421 | (expect_true (SvMAGIC (sv)->mg_type == type) \ |
|
|
422 | ? SvMAGIC (sv) \ |
|
|
423 | : mg_find (sv, type)) |
|
|
424 | |
|
|
425 | #define CORO_MAGIC(sv, type) \ |
|
|
426 | (expect_true (SvMAGIC (sv)) \ |
|
|
427 | ? CORO_MAGIC_NN (sv, type) \ |
|
|
428 | : 0) |
|
|
429 | |
|
|
430 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
|
|
431 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
|
|
432 | |
|
|
433 | INLINE struct coro * |
|
|
434 | SvSTATE_ (pTHX_ SV *coro) |
|
|
435 | { |
|
|
436 | HV *stash; |
|
|
437 | MAGIC *mg; |
|
|
438 | |
|
|
439 | if (SvROK (coro)) |
|
|
440 | coro = SvRV (coro); |
|
|
441 | |
|
|
442 | if (expect_false (SvTYPE (coro) != SVt_PVHV)) |
|
|
443 | croak ("Coro::State object required"); |
|
|
444 | |
|
|
445 | stash = SvSTASH (coro); |
|
|
446 | if (expect_false (stash != coro_stash && stash != coro_state_stash)) |
|
|
447 | { |
|
|
448 | /* very slow, but rare, check */ |
|
|
449 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
|
|
450 | croak ("Coro::State object required"); |
|
|
451 | } |
|
|
452 | |
|
|
453 | mg = CORO_MAGIC_state (coro); |
|
|
454 | return (struct coro *)mg->mg_ptr; |
|
|
455 | } |
|
|
456 | |
|
|
457 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
|
|
458 | |
|
|
459 | /* faster than SvSTATE, but expects a coroutine hv */ |
|
|
460 | #define SvSTATE_hv(hv) ((struct coro *)CORO_MAGIC_NN ((SV *)hv, CORO_MAGIC_type_state)->mg_ptr) |
|
|
461 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
|
|
462 | |
511 | |
463 | /* the next two functions merely cache the padlists */ |
512 | /* the next two functions merely cache the padlists */ |
464 | static void |
513 | static void |
465 | get_padlist (pTHX_ CV *cv) |
514 | get_padlist (pTHX_ CV *cv) |
466 | { |
515 | { |
… | |
… | |
477 | CV *cp = Perl_cv_clone (aTHX_ cv); |
526 | CV *cp = Perl_cv_clone (aTHX_ cv); |
478 | CvPADLIST (cv) = CvPADLIST (cp); |
527 | CvPADLIST (cv) = CvPADLIST (cp); |
479 | CvPADLIST (cp) = 0; |
528 | CvPADLIST (cp) = 0; |
480 | SvREFCNT_dec (cp); |
529 | SvREFCNT_dec (cp); |
481 | #else |
530 | #else |
482 | CvPADLIST (cv) = coro_clone_padlist (aTHX_ cv); |
531 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
483 | #endif |
532 | #endif |
484 | } |
533 | } |
485 | } |
534 | } |
486 | |
535 | |
487 | static void |
536 | static void |
… | |
… | |
494 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
543 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
495 | |
544 | |
496 | av = (AV *)mg->mg_obj; |
545 | av = (AV *)mg->mg_obj; |
497 | |
546 | |
498 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
547 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
499 | av_extend (av, AvMAX (av) + 1); |
548 | av_extend (av, AvFILLp (av) + 1); |
500 | |
549 | |
501 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
550 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
502 | } |
551 | } |
503 | |
552 | |
504 | /** load & save, init *******************************************************/ |
553 | /** load & save, init *******************************************************/ |
|
|
554 | |
|
|
555 | static void |
|
|
556 | on_enterleave_call (pTHX_ SV *cb); |
505 | |
557 | |
506 | static void |
558 | static void |
507 | load_perl (pTHX_ Coro__State c) |
559 | load_perl (pTHX_ Coro__State c) |
508 | { |
560 | { |
509 | perl_slots *slot = c->slot; |
561 | perl_slots *slot = c->slot; |
510 | c->slot = 0; |
562 | c->slot = 0; |
511 | |
563 | |
512 | PL_mainstack = c->mainstack; |
564 | PL_mainstack = c->mainstack; |
513 | |
565 | |
514 | GvSV (PL_defgv) = slot->defsv; |
566 | GvSV (PL_defgv) = slot->defsv; |
515 | GvAV (PL_defgv) = slot->defav; |
567 | GvAV (PL_defgv) = slot->defav; |
516 | GvSV (PL_errgv) = slot->errsv; |
568 | GvSV (PL_errgv) = slot->errsv; |
517 | GvSV (irsgv) = slot->irsgv; |
569 | GvSV (irsgv) = slot->irsgv; |
|
|
570 | GvHV (PL_hintgv) = slot->hinthv; |
518 | |
571 | |
519 | #define VAR(name,type) PL_ ## name = slot->name; |
572 | #define VAR(name,type) PL_ ## name = slot->name; |
520 | # include "state.h" |
573 | # include "state.h" |
521 | #undef VAR |
574 | #undef VAR |
522 | |
575 | |
… | |
… | |
536 | PUTBACK; |
589 | PUTBACK; |
537 | } |
590 | } |
538 | |
591 | |
539 | slf_frame = c->slf_frame; |
592 | slf_frame = c->slf_frame; |
540 | CORO_THROW = c->except; |
593 | CORO_THROW = c->except; |
|
|
594 | |
|
|
595 | if (expect_false (enable_times)) |
|
|
596 | { |
|
|
597 | if (expect_false (!times_valid)) |
|
|
598 | coro_times_update (); |
|
|
599 | |
|
|
600 | coro_times_sub (c); |
|
|
601 | } |
|
|
602 | |
|
|
603 | if (expect_false (c->on_enter)) |
|
|
604 | { |
|
|
605 | int i; |
|
|
606 | |
|
|
607 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
|
|
608 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
|
|
609 | } |
541 | } |
610 | } |
542 | |
611 | |
543 | static void |
612 | static void |
544 | save_perl (pTHX_ Coro__State c) |
613 | save_perl (pTHX_ Coro__State c) |
545 | { |
614 | { |
|
|
615 | if (expect_false (c->on_leave)) |
|
|
616 | { |
|
|
617 | int i; |
|
|
618 | |
|
|
619 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
|
|
620 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
|
|
621 | } |
|
|
622 | |
|
|
623 | times_valid = 0; |
|
|
624 | |
|
|
625 | if (expect_false (enable_times)) |
|
|
626 | { |
|
|
627 | coro_times_update (); times_valid = 1; |
|
|
628 | coro_times_add (c); |
|
|
629 | } |
|
|
630 | |
546 | c->except = CORO_THROW; |
631 | c->except = CORO_THROW; |
547 | c->slf_frame = slf_frame; |
632 | c->slf_frame = slf_frame; |
548 | |
633 | |
549 | { |
634 | { |
550 | dSP; |
635 | dSP; |
… | |
… | |
563 | { |
648 | { |
564 | while (expect_true (cxix >= 0)) |
649 | while (expect_true (cxix >= 0)) |
565 | { |
650 | { |
566 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
651 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
567 | |
652 | |
568 | if (expect_true (CxTYPE (cx) == CXt_SUB || CxTYPE (cx) == CXt_FORMAT)) |
653 | if (expect_true (CxTYPE (cx) == CXt_SUB) || expect_false (CxTYPE (cx) == CXt_FORMAT)) |
569 | { |
654 | { |
570 | CV *cv = cx->blk_sub.cv; |
655 | CV *cv = cx->blk_sub.cv; |
571 | |
656 | |
572 | if (expect_true (CvDEPTH (cv))) |
657 | if (expect_true (CvDEPTH (cv))) |
573 | { |
658 | { |
… | |
… | |
597 | /* we manually unroll here, as usually 2 slots is enough */ |
682 | /* we manually unroll here, as usually 2 slots is enough */ |
598 | if (SLOT_COUNT >= 1) CXINC; |
683 | if (SLOT_COUNT >= 1) CXINC; |
599 | if (SLOT_COUNT >= 2) CXINC; |
684 | if (SLOT_COUNT >= 2) CXINC; |
600 | if (SLOT_COUNT >= 3) CXINC; |
685 | if (SLOT_COUNT >= 3) CXINC; |
601 | { |
686 | { |
602 | int i; |
687 | unsigned int i; |
603 | for (i = 3; i < SLOT_COUNT; ++i) |
688 | for (i = 3; i < SLOT_COUNT; ++i) |
604 | CXINC; |
689 | CXINC; |
605 | } |
690 | } |
606 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
691 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
607 | |
692 | |
608 | c->mainstack = PL_mainstack; |
693 | c->mainstack = PL_mainstack; |
609 | |
694 | |
610 | { |
695 | { |
611 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
696 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
612 | |
697 | |
613 | slot->defav = GvAV (PL_defgv); |
698 | slot->defav = GvAV (PL_defgv); |
614 | slot->defsv = DEFSV; |
699 | slot->defsv = DEFSV; |
615 | slot->errsv = ERRSV; |
700 | slot->errsv = ERRSV; |
616 | slot->irsgv = GvSV (irsgv); |
701 | slot->irsgv = GvSV (irsgv); |
|
|
702 | slot->hinthv = GvHV (PL_hintgv); |
617 | |
703 | |
618 | #define VAR(name,type) slot->name = PL_ ## name; |
704 | #define VAR(name,type) slot->name = PL_ ## name; |
619 | # include "state.h" |
705 | # include "state.h" |
620 | #undef VAR |
706 | #undef VAR |
621 | } |
707 | } |
… | |
… | |
748 | #endif |
834 | #endif |
749 | |
835 | |
750 | /* |
836 | /* |
751 | * This overrides the default magic get method of %SIG elements. |
837 | * This overrides the default magic get method of %SIG elements. |
752 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
838 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
753 | * and instead of tryign to save and restore the hash elements, we just provide |
839 | * and instead of trying to save and restore the hash elements, we just provide |
754 | * readback here. |
840 | * readback here. |
755 | * We only do this when the hook is != 0, as they are often set to 0 temporarily, |
|
|
756 | * not expecting this to actually change the hook. This is a potential problem |
|
|
757 | * when a schedule happens then, but we ignore this. |
|
|
758 | */ |
841 | */ |
759 | static int |
842 | static int |
760 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
843 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
761 | { |
844 | { |
762 | const char *s = MgPV_nolen_const (mg); |
845 | const char *s = MgPV_nolen_const (mg); |
… | |
… | |
815 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
898 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
816 | |
899 | |
817 | if (svp) |
900 | if (svp) |
818 | { |
901 | { |
819 | SV *old = *svp; |
902 | SV *old = *svp; |
820 | *svp = newSVsv (sv); |
903 | *svp = SvOK (sv) ? newSVsv (sv) : 0; |
821 | SvREFCNT_dec (old); |
904 | SvREFCNT_dec (old); |
822 | return 0; |
905 | return 0; |
823 | } |
906 | } |
824 | } |
907 | } |
825 | |
908 | |
… | |
… | |
857 | |
940 | |
858 | PL_runops = RUNOPS_DEFAULT; |
941 | PL_runops = RUNOPS_DEFAULT; |
859 | PL_curcop = &PL_compiling; |
942 | PL_curcop = &PL_compiling; |
860 | PL_in_eval = EVAL_NULL; |
943 | PL_in_eval = EVAL_NULL; |
861 | PL_comppad = 0; |
944 | PL_comppad = 0; |
|
|
945 | PL_comppad_name = 0; |
|
|
946 | PL_comppad_name_fill = 0; |
|
|
947 | PL_comppad_name_floor = 0; |
862 | PL_curpm = 0; |
948 | PL_curpm = 0; |
863 | PL_curpad = 0; |
949 | PL_curpad = 0; |
864 | PL_localizing = 0; |
950 | PL_localizing = 0; |
865 | PL_dirty = 0; |
951 | PL_dirty = 0; |
866 | PL_restartop = 0; |
952 | PL_restartop = 0; |
867 | #if PERL_VERSION_ATLEAST (5,10,0) |
953 | #if PERL_VERSION_ATLEAST (5,10,0) |
868 | PL_parser = 0; |
954 | PL_parser = 0; |
869 | #endif |
955 | #endif |
|
|
956 | PL_hints = 0; |
870 | |
957 | |
871 | /* recreate the die/warn hooks */ |
958 | /* recreate the die/warn hooks */ |
872 | PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); |
959 | PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); |
873 | PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook); |
960 | PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook); |
874 | |
961 | |
875 | GvSV (PL_defgv) = newSV (0); |
962 | GvSV (PL_defgv) = newSV (0); |
876 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
963 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
877 | GvSV (PL_errgv) = newSV (0); |
964 | GvSV (PL_errgv) = newSV (0); |
878 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
965 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
|
|
966 | GvHV (PL_hintgv) = 0; |
879 | PL_rs = newSVsv (GvSV (irsgv)); |
967 | PL_rs = newSVsv (GvSV (irsgv)); |
880 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
968 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
881 | |
969 | |
882 | { |
970 | { |
883 | dSP; |
971 | dSP; |
… | |
… | |
901 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
989 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
902 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
990 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
903 | |
991 | |
904 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
992 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
905 | coro_setup_op.op_next = PL_op; |
993 | coro_setup_op.op_next = PL_op; |
906 | coro_setup_op.op_type = OP_CUSTOM; |
994 | coro_setup_op.op_type = OP_ENTERSUB; |
907 | coro_setup_op.op_ppaddr = pp_slf; |
995 | coro_setup_op.op_ppaddr = pp_slf; |
908 | /* no flags etc. required, as an init function won't be called */ |
996 | /* no flags etc. required, as an init function won't be called */ |
909 | |
997 | |
910 | PL_op = (OP *)&coro_setup_op; |
998 | PL_op = (OP *)&coro_setup_op; |
911 | |
999 | |
912 | /* copy throw, in case it was set before coro_setup */ |
1000 | /* copy throw, in case it was set before coro_setup */ |
913 | CORO_THROW = coro->except; |
1001 | CORO_THROW = coro->except; |
914 | } |
|
|
915 | |
1002 | |
|
|
1003 | if (expect_false (enable_times)) |
|
|
1004 | { |
|
|
1005 | coro_times_update (); |
|
|
1006 | coro_times_sub (coro); |
|
|
1007 | } |
|
|
1008 | } |
|
|
1009 | |
916 | static void |
1010 | static void |
917 | coro_destruct (pTHX_ struct coro *coro) |
1011 | coro_unwind_stacks (pTHX) |
918 | { |
1012 | { |
919 | if (!IN_DESTRUCT) |
1013 | if (!IN_DESTRUCT) |
920 | { |
1014 | { |
921 | /* restore all saved variables and stuff */ |
1015 | /* restore all saved variables and stuff */ |
922 | LEAVE_SCOPE (0); |
1016 | LEAVE_SCOPE (0); |
… | |
… | |
930 | POPSTACK_TO (PL_mainstack); |
1024 | POPSTACK_TO (PL_mainstack); |
931 | |
1025 | |
932 | /* unwind main stack */ |
1026 | /* unwind main stack */ |
933 | dounwind (-1); |
1027 | dounwind (-1); |
934 | } |
1028 | } |
|
|
1029 | } |
935 | |
1030 | |
936 | SvREFCNT_dec (GvSV (PL_defgv)); |
1031 | static void |
937 | SvREFCNT_dec (GvAV (PL_defgv)); |
1032 | coro_destruct_perl (pTHX_ struct coro *coro) |
938 | SvREFCNT_dec (GvSV (PL_errgv)); |
1033 | { |
939 | SvREFCNT_dec (PL_defoutgv); |
1034 | SV *svf [9]; |
940 | SvREFCNT_dec (PL_rs); |
|
|
941 | SvREFCNT_dec (GvSV (irsgv)); |
|
|
942 | |
1035 | |
943 | SvREFCNT_dec (PL_diehook); |
|
|
944 | SvREFCNT_dec (PL_warnhook); |
|
|
945 | |
1036 | { |
|
|
1037 | struct coro *current = SvSTATE_current; |
|
|
1038 | |
|
|
1039 | assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack)); |
|
|
1040 | |
|
|
1041 | save_perl (aTHX_ current); |
|
|
1042 | load_perl (aTHX_ coro); |
|
|
1043 | |
|
|
1044 | coro_unwind_stacks (aTHX); |
|
|
1045 | coro_destruct_stacks (aTHX); |
|
|
1046 | |
|
|
1047 | // now save some sv's to be free'd later |
|
|
1048 | svf [0] = GvSV (PL_defgv); |
|
|
1049 | svf [1] = (SV *)GvAV (PL_defgv); |
|
|
1050 | svf [2] = GvSV (PL_errgv); |
|
|
1051 | svf [3] = (SV *)PL_defoutgv; |
|
|
1052 | svf [4] = PL_rs; |
|
|
1053 | svf [5] = GvSV (irsgv); |
|
|
1054 | svf [6] = (SV *)GvHV (PL_hintgv); |
|
|
1055 | svf [7] = PL_diehook; |
|
|
1056 | svf [8] = PL_warnhook; |
|
|
1057 | assert (9 == sizeof (svf) / sizeof (*svf)); |
|
|
1058 | |
|
|
1059 | load_perl (aTHX_ current); |
|
|
1060 | } |
|
|
1061 | |
|
|
1062 | { |
|
|
1063 | unsigned int i; |
|
|
1064 | |
|
|
1065 | for (i = 0; i < sizeof (svf) / sizeof (*svf); ++i) |
|
|
1066 | SvREFCNT_dec (svf [i]); |
|
|
1067 | |
946 | SvREFCNT_dec (coro->saved_deffh); |
1068 | SvREFCNT_dec (coro->saved_deffh); |
947 | SvREFCNT_dec (coro->rouse_cb); |
1069 | SvREFCNT_dec (coro->rouse_cb); |
948 | SvREFCNT_dec (coro->invoke_cb); |
1070 | SvREFCNT_dec (coro->invoke_cb); |
949 | SvREFCNT_dec (coro->invoke_av); |
1071 | SvREFCNT_dec (coro->invoke_av); |
950 | |
1072 | } |
951 | coro_destruct_stacks (aTHX); |
|
|
952 | } |
1073 | } |
953 | |
1074 | |
954 | INLINE void |
1075 | INLINE void |
955 | free_coro_mortal (pTHX) |
1076 | free_coro_mortal (pTHX) |
956 | { |
1077 | { |
… | |
… | |
964 | static int |
1085 | static int |
965 | runops_trace (pTHX) |
1086 | runops_trace (pTHX) |
966 | { |
1087 | { |
967 | COP *oldcop = 0; |
1088 | COP *oldcop = 0; |
968 | int oldcxix = -2; |
1089 | int oldcxix = -2; |
969 | struct coro *coro = SvSTATE_current; /* trace cctx is tied to specific coro */ |
|
|
970 | coro_cctx *cctx = coro->cctx; |
|
|
971 | |
1090 | |
972 | while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX))) |
1091 | while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX))) |
973 | { |
1092 | { |
974 | PERL_ASYNC_CHECK (); |
1093 | PERL_ASYNC_CHECK (); |
975 | |
1094 | |
976 | if (cctx->flags & CC_TRACE_ALL) |
1095 | if (cctx_current->flags & CC_TRACE_ALL) |
977 | { |
1096 | { |
978 | if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB) |
1097 | if (PL_op->op_type == OP_LEAVESUB && cctx_current->flags & CC_TRACE_SUB) |
979 | { |
1098 | { |
980 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1099 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
981 | SV **bot, **top; |
1100 | SV **bot, **top; |
982 | AV *av = newAV (); /* return values */ |
1101 | AV *av = newAV (); /* return values */ |
983 | SV **cb; |
1102 | SV **cb; |
… | |
… | |
1020 | |
1139 | |
1021 | if (PL_curcop != &PL_compiling) |
1140 | if (PL_curcop != &PL_compiling) |
1022 | { |
1141 | { |
1023 | SV **cb; |
1142 | SV **cb; |
1024 | |
1143 | |
1025 | if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB) |
1144 | if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB) |
1026 | { |
1145 | { |
1027 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1146 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1028 | |
1147 | |
1029 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
1148 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
1030 | { |
1149 | { |
1031 | runops_proc_t old_runops = PL_runops; |
|
|
1032 | dSP; |
1150 | dSP; |
1033 | GV *gv = CvGV (cx->blk_sub.cv); |
1151 | GV *gv = CvGV (cx->blk_sub.cv); |
1034 | SV *fullname = sv_2mortal (newSV (0)); |
1152 | SV *fullname = sv_2mortal (newSV (0)); |
1035 | |
1153 | |
1036 | if (isGV (gv)) |
1154 | if (isGV (gv)) |
… | |
… | |
1054 | } |
1172 | } |
1055 | |
1173 | |
1056 | oldcxix = cxstack_ix; |
1174 | oldcxix = cxstack_ix; |
1057 | } |
1175 | } |
1058 | |
1176 | |
1059 | if (cctx->flags & CC_TRACE_LINE) |
1177 | if (cctx_current->flags & CC_TRACE_LINE) |
1060 | { |
1178 | { |
1061 | dSP; |
1179 | dSP; |
1062 | |
1180 | |
1063 | PL_runops = RUNOPS_DEFAULT; |
1181 | PL_runops = RUNOPS_DEFAULT; |
1064 | ENTER; |
1182 | ENTER; |
… | |
… | |
1083 | |
1201 | |
1084 | TAINT_NOT; |
1202 | TAINT_NOT; |
1085 | return 0; |
1203 | return 0; |
1086 | } |
1204 | } |
1087 | |
1205 | |
1088 | static struct coro_cctx *cctx_ssl_cctx; |
|
|
1089 | static struct CoroSLF cctx_ssl_frame; |
1206 | static struct CoroSLF cctx_ssl_frame; |
1090 | |
1207 | |
1091 | static void |
1208 | static void |
1092 | slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta) |
1209 | slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta) |
1093 | { |
1210 | { |
1094 | ta->prev = (struct coro *)cctx_ssl_cctx; |
|
|
1095 | ta->next = 0; |
1211 | ta->prev = 0; |
1096 | } |
1212 | } |
1097 | |
1213 | |
1098 | static int |
1214 | static int |
1099 | slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame) |
1215 | slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame) |
1100 | { |
1216 | { |
… | |
… | |
1103 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1219 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1104 | } |
1220 | } |
1105 | |
1221 | |
1106 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1222 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1107 | static void NOINLINE |
1223 | static void NOINLINE |
1108 | cctx_prepare (pTHX_ coro_cctx *cctx) |
1224 | cctx_prepare (pTHX) |
1109 | { |
1225 | { |
1110 | PL_top_env = &PL_start_env; |
1226 | PL_top_env = &PL_start_env; |
1111 | |
1227 | |
1112 | if (cctx->flags & CC_TRACE) |
1228 | if (cctx_current->flags & CC_TRACE) |
1113 | PL_runops = runops_trace; |
1229 | PL_runops = runops_trace; |
1114 | |
1230 | |
1115 | /* we already must be executing an SLF op, there is no other valid way |
1231 | /* we already must be executing an SLF op, there is no other valid way |
1116 | * that can lead to creation of a new cctx */ |
1232 | * that can lead to creation of a new cctx */ |
1117 | assert (("FATAL: can't prepare slf-less cctx in Coro module (please report)", |
1233 | assert (("FATAL: can't prepare slf-less cctx in Coro module (please report)", |
1118 | slf_frame.prepare && PL_op->op_ppaddr == pp_slf)); |
1234 | slf_frame.prepare && PL_op->op_ppaddr == pp_slf)); |
1119 | |
1235 | |
1120 | /* we must emulate leaving pp_slf, which is done inside slf_check_set_stacklevel */ |
1236 | /* we must emulate leaving pp_slf, which is done inside slf_check_set_stacklevel */ |
1121 | cctx_ssl_cctx = cctx; |
|
|
1122 | cctx_ssl_frame = slf_frame; |
1237 | cctx_ssl_frame = slf_frame; |
1123 | |
1238 | |
1124 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1239 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1125 | slf_frame.check = slf_check_set_stacklevel; |
1240 | slf_frame.check = slf_check_set_stacklevel; |
1126 | } |
1241 | } |
… | |
… | |
1149 | /* normally we would need to skip the entersub here */ |
1264 | /* normally we would need to skip the entersub here */ |
1150 | /* not doing so will re-execute it, which is exactly what we want */ |
1265 | /* not doing so will re-execute it, which is exactly what we want */ |
1151 | /* PL_nop = PL_nop->op_next */ |
1266 | /* PL_nop = PL_nop->op_next */ |
1152 | |
1267 | |
1153 | /* inject a fake subroutine call to cctx_init */ |
1268 | /* inject a fake subroutine call to cctx_init */ |
1154 | cctx_prepare (aTHX_ (coro_cctx *)arg); |
1269 | cctx_prepare (aTHX); |
1155 | |
1270 | |
1156 | /* cctx_run is the alternative tail of transfer() */ |
1271 | /* cctx_run is the alternative tail of transfer() */ |
1157 | transfer_tail (aTHX); |
1272 | transfer_tail (aTHX); |
1158 | |
1273 | |
1159 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1274 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1160 | PL_restartop = PL_op; |
1275 | PL_restartop = PL_op; |
1161 | perl_run (PL_curinterp); |
1276 | perl_run (PL_curinterp); |
1162 | /* |
1277 | /* |
1163 | * Unfortunately, there is no way to get at the return values of the |
1278 | * Unfortunately, there is no way to get at the return values of the |
1164 | * coro body here, as perl_run destroys these |
1279 | * coro body here, as perl_run destroys these. Likewise, we cannot catch |
|
|
1280 | * runtime errors here, as this is just a random interpreter, not a thread. |
1165 | */ |
1281 | */ |
1166 | |
1282 | |
1167 | /* |
1283 | /* |
1168 | * If perl-run returns we assume exit() was being called or the coro |
1284 | * If perl-run returns we assume exit() was being called or the coro |
1169 | * fell off the end, which seems to be the only valid (non-bug) |
1285 | * fell off the end, which seems to be the only valid (non-bug) |
1170 | * reason for perl_run to return. We try to exit by jumping to the |
1286 | * reason for perl_run to return. We try to exit by jumping to the |
1171 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
1287 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
1172 | * coroutine as Coro has no such concept |
1288 | * coroutine as Coro has no such concept. |
|
|
1289 | * This actually isn't valid with the pthread backend, but OSes requiring |
|
|
1290 | * that backend are too broken to do it in a standards-compliant way. |
1173 | */ |
1291 | */ |
1174 | PL_top_env = main_top_env; |
1292 | PL_top_env = main_top_env; |
1175 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
1293 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
1176 | } |
1294 | } |
1177 | } |
1295 | } |
… | |
… | |
1254 | cctx_destroy (coro_cctx *cctx) |
1372 | cctx_destroy (coro_cctx *cctx) |
1255 | { |
1373 | { |
1256 | if (!cctx) |
1374 | if (!cctx) |
1257 | return; |
1375 | return; |
1258 | |
1376 | |
|
|
1377 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));//D temporary? |
|
|
1378 | |
1259 | --cctx_count; |
1379 | --cctx_count; |
1260 | coro_destroy (&cctx->cctx); |
1380 | coro_destroy (&cctx->cctx); |
1261 | |
1381 | |
1262 | /* coro_transfer creates new, empty cctx's */ |
1382 | /* coro_transfer creates new, empty cctx's */ |
1263 | if (cctx->sptr) |
1383 | if (cctx->sptr) |
… | |
… | |
1326 | /* TODO: throwing up here is considered harmful */ |
1446 | /* TODO: throwing up here is considered harmful */ |
1327 | |
1447 | |
1328 | if (expect_true (prev != next)) |
1448 | if (expect_true (prev != next)) |
1329 | { |
1449 | { |
1330 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1450 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1331 | croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states,"); |
1451 | croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); |
1332 | |
1452 | |
1333 | if (expect_false (next->flags & CF_RUNNING)) |
|
|
1334 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states,"); |
|
|
1335 | |
|
|
1336 | if (expect_false (next->flags & CF_DESTROYED)) |
1453 | if (expect_false (next->flags & (CF_RUNNING | CF_DESTROYED | CF_SUSPENDED))) |
1337 | croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states,"); |
1454 | croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); |
1338 | |
1455 | |
1339 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1456 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1340 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1457 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1341 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1458 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1342 | #endif |
1459 | #endif |
… | |
… | |
1348 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1465 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1349 | { |
1466 | { |
1350 | dSTACKLEVEL; |
1467 | dSTACKLEVEL; |
1351 | |
1468 | |
1352 | /* sometimes transfer is only called to set idle_sp */ |
1469 | /* sometimes transfer is only called to set idle_sp */ |
1353 | if (expect_false (!next)) |
1470 | if (expect_false (!prev)) |
1354 | { |
1471 | { |
1355 | ((coro_cctx *)prev)->idle_sp = STACKLEVEL; |
1472 | cctx_current->idle_sp = STACKLEVEL; |
1356 | assert (((coro_cctx *)prev)->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1473 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1357 | } |
1474 | } |
1358 | else if (expect_true (prev != next)) |
1475 | else if (expect_true (prev != next)) |
1359 | { |
1476 | { |
1360 | coro_cctx *prev__cctx; |
1477 | coro_cctx *cctx_prev; |
1361 | |
1478 | |
1362 | if (expect_false (prev->flags & CF_NEW)) |
1479 | if (expect_false (prev->flags & CF_NEW)) |
1363 | { |
1480 | { |
1364 | /* create a new empty/source context */ |
1481 | /* create a new empty/source context */ |
1365 | prev->cctx = cctx_new_empty (); |
|
|
1366 | prev->flags &= ~CF_NEW; |
1482 | prev->flags &= ~CF_NEW; |
1367 | prev->flags |= CF_RUNNING; |
1483 | prev->flags |= CF_RUNNING; |
1368 | } |
1484 | } |
1369 | |
1485 | |
1370 | prev->flags &= ~CF_RUNNING; |
1486 | prev->flags &= ~CF_RUNNING; |
… | |
… | |
1381 | coro_setup (aTHX_ next); |
1497 | coro_setup (aTHX_ next); |
1382 | } |
1498 | } |
1383 | else |
1499 | else |
1384 | load_perl (aTHX_ next); |
1500 | load_perl (aTHX_ next); |
1385 | |
1501 | |
1386 | prev__cctx = prev->cctx; |
|
|
1387 | |
|
|
1388 | /* possibly untie and reuse the cctx */ |
1502 | /* possibly untie and reuse the cctx */ |
1389 | if (expect_true ( |
1503 | if (expect_true ( |
1390 | prev__cctx->idle_sp == STACKLEVEL |
1504 | cctx_current->idle_sp == STACKLEVEL |
1391 | && !(prev__cctx->flags & CC_TRACE) |
1505 | && !(cctx_current->flags & CC_TRACE) |
1392 | && !force_cctx |
1506 | && !force_cctx |
1393 | )) |
1507 | )) |
1394 | { |
1508 | { |
1395 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1509 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1396 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == prev__cctx->idle_te)); |
1510 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1397 | |
1511 | |
1398 | prev->cctx = 0; |
|
|
1399 | |
|
|
1400 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */ |
1512 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1401 | /* without this the next cctx_get might destroy the prev__cctx while still in use */ |
1513 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1402 | if (expect_false (CCTX_EXPIRED (prev__cctx))) |
1514 | if (expect_false (CCTX_EXPIRED (cctx_current))) |
1403 | if (!next->cctx) |
1515 | if (expect_true (!next->cctx)) |
1404 | next->cctx = cctx_get (aTHX); |
1516 | next->cctx = cctx_get (aTHX); |
1405 | |
1517 | |
1406 | cctx_put (prev__cctx); |
1518 | cctx_put (cctx_current); |
1407 | } |
1519 | } |
|
|
1520 | else |
|
|
1521 | prev->cctx = cctx_current; |
1408 | |
1522 | |
1409 | ++next->usecount; |
1523 | ++next->usecount; |
1410 | |
1524 | |
1411 | if (expect_true (!next->cctx)) |
1525 | cctx_prev = cctx_current; |
1412 | next->cctx = cctx_get (aTHX); |
1526 | cctx_current = expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1413 | |
1527 | |
1414 | if (expect_false (prev__cctx != next->cctx)) |
1528 | next->cctx = 0; |
|
|
1529 | |
|
|
1530 | if (expect_false (cctx_prev != cctx_current)) |
1415 | { |
1531 | { |
1416 | prev__cctx->top_env = PL_top_env; |
1532 | cctx_prev->top_env = PL_top_env; |
1417 | PL_top_env = next->cctx->top_env; |
1533 | PL_top_env = cctx_current->top_env; |
1418 | coro_transfer (&prev__cctx->cctx, &next->cctx->cctx); |
1534 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1419 | } |
1535 | } |
1420 | |
1536 | |
1421 | transfer_tail (aTHX); |
1537 | transfer_tail (aTHX); |
1422 | } |
1538 | } |
1423 | } |
1539 | } |
… | |
… | |
1431 | coro_state_destroy (pTHX_ struct coro *coro) |
1547 | coro_state_destroy (pTHX_ struct coro *coro) |
1432 | { |
1548 | { |
1433 | if (coro->flags & CF_DESTROYED) |
1549 | if (coro->flags & CF_DESTROYED) |
1434 | return 0; |
1550 | return 0; |
1435 | |
1551 | |
1436 | if (coro->on_destroy) |
1552 | if (coro->on_destroy && !PL_dirty) |
1437 | coro->on_destroy (aTHX_ coro); |
1553 | coro->on_destroy (aTHX_ coro); |
1438 | |
1554 | |
1439 | coro->flags |= CF_DESTROYED; |
1555 | coro->flags |= CF_DESTROYED; |
1440 | |
1556 | |
1441 | if (coro->flags & CF_READY) |
1557 | if (coro->flags & CF_READY) |
… | |
… | |
1445 | --coro_nready; |
1561 | --coro_nready; |
1446 | } |
1562 | } |
1447 | else |
1563 | else |
1448 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
1564 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
1449 | |
1565 | |
1450 | if (coro->mainstack && coro->mainstack != main_mainstack) |
1566 | if (coro->mainstack |
1451 | { |
1567 | && coro->mainstack != main_mainstack |
1452 | struct coro temp; |
1568 | && coro->slot |
1453 | |
1569 | && !PL_dirty) |
1454 | assert (("FATAL: tried to destroy currently running coroutine (please report)", !(coro->flags & CF_RUNNING))); |
|
|
1455 | |
|
|
1456 | save_perl (aTHX_ &temp); |
|
|
1457 | load_perl (aTHX_ coro); |
|
|
1458 | |
|
|
1459 | coro_destruct (aTHX_ coro); |
1570 | coro_destruct_perl (aTHX_ coro); |
1460 | |
|
|
1461 | load_perl (aTHX_ &temp); |
|
|
1462 | |
|
|
1463 | coro->slot = 0; |
|
|
1464 | } |
|
|
1465 | |
1571 | |
1466 | cctx_destroy (coro->cctx); |
1572 | cctx_destroy (coro->cctx); |
1467 | SvREFCNT_dec (coro->startcv); |
1573 | SvREFCNT_dec (coro->startcv); |
1468 | SvREFCNT_dec (coro->args); |
1574 | SvREFCNT_dec (coro->args); |
1469 | SvREFCNT_dec (CORO_THROW); |
1575 | SvREFCNT_dec (CORO_THROW); |
… | |
… | |
1528 | |
1634 | |
1529 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1635 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1530 | TRANSFER (ta, 1); |
1636 | TRANSFER (ta, 1); |
1531 | } |
1637 | } |
1532 | |
1638 | |
1533 | /*****************************************************************************/ |
|
|
1534 | /* gensub: simple closure generation utility */ |
|
|
1535 | |
|
|
1536 | #define GENSUB_ARG CvXSUBANY (cv).any_ptr |
|
|
1537 | |
|
|
1538 | /* create a closure from XS, returns a code reference */ |
|
|
1539 | /* the arg can be accessed via GENSUB_ARG from the callback */ |
|
|
1540 | /* the callback must use dXSARGS/XSRETURN */ |
|
|
1541 | static SV * |
|
|
1542 | gensub (pTHX_ void (*xsub)(pTHX_ CV *), void *arg) |
|
|
1543 | { |
|
|
1544 | CV *cv = (CV *)newSV (0); |
|
|
1545 | |
|
|
1546 | sv_upgrade ((SV *)cv, SVt_PVCV); |
|
|
1547 | |
|
|
1548 | CvANON_on (cv); |
|
|
1549 | CvISXSUB_on (cv); |
|
|
1550 | CvXSUB (cv) = xsub; |
|
|
1551 | GENSUB_ARG = arg; |
|
|
1552 | |
|
|
1553 | return newRV_noinc ((SV *)cv); |
|
|
1554 | } |
|
|
1555 | |
|
|
1556 | /** Coro ********************************************************************/ |
1639 | /** Coro ********************************************************************/ |
1557 | |
1640 | |
1558 | INLINE void |
1641 | INLINE void |
1559 | coro_enq (pTHX_ struct coro *coro) |
1642 | coro_enq (pTHX_ struct coro *coro) |
1560 | { |
1643 | { |
1561 | av_push (coro_ready [coro->prio - PRIO_MIN], SvREFCNT_inc_NN (coro->hv)); |
1644 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1562 | } |
|
|
1563 | |
1645 | |
1564 | INLINE SV * |
1646 | SvREFCNT_inc_NN (coro->hv); |
|
|
1647 | |
|
|
1648 | coro->next_ready = 0; |
|
|
1649 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
|
|
1650 | ready [1] = coro; |
|
|
1651 | } |
|
|
1652 | |
|
|
1653 | INLINE struct coro * |
1565 | coro_deq (pTHX) |
1654 | coro_deq (pTHX) |
1566 | { |
1655 | { |
1567 | int prio; |
1656 | int prio; |
1568 | |
1657 | |
1569 | for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; ) |
1658 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
1570 | if (AvFILLp (coro_ready [prio]) >= 0) |
1659 | { |
1571 | return av_shift (coro_ready [prio]); |
1660 | struct coro **ready = coro_ready [prio]; |
|
|
1661 | |
|
|
1662 | if (ready [0]) |
|
|
1663 | { |
|
|
1664 | struct coro *coro = ready [0]; |
|
|
1665 | ready [0] = coro->next_ready; |
|
|
1666 | return coro; |
|
|
1667 | } |
|
|
1668 | } |
1572 | |
1669 | |
1573 | return 0; |
1670 | return 0; |
|
|
1671 | } |
|
|
1672 | |
|
|
1673 | static void |
|
|
1674 | invoke_sv_ready_hook_helper (void) |
|
|
1675 | { |
|
|
1676 | dTHX; |
|
|
1677 | dSP; |
|
|
1678 | |
|
|
1679 | ENTER; |
|
|
1680 | SAVETMPS; |
|
|
1681 | |
|
|
1682 | PUSHMARK (SP); |
|
|
1683 | PUTBACK; |
|
|
1684 | call_sv (coro_readyhook, G_VOID | G_DISCARD); |
|
|
1685 | |
|
|
1686 | FREETMPS; |
|
|
1687 | LEAVE; |
1574 | } |
1688 | } |
1575 | |
1689 | |
1576 | static int |
1690 | static int |
1577 | api_ready (pTHX_ SV *coro_sv) |
1691 | api_ready (pTHX_ SV *coro_sv) |
1578 | { |
1692 | { |
1579 | struct coro *coro; |
|
|
1580 | SV *sv_hook; |
|
|
1581 | void (*xs_hook)(void); |
|
|
1582 | |
|
|
1583 | if (SvROK (coro_sv)) |
|
|
1584 | coro_sv = SvRV (coro_sv); |
|
|
1585 | |
|
|
1586 | coro = SvSTATE (coro_sv); |
1693 | struct coro *coro = SvSTATE (coro_sv); |
1587 | |
1694 | |
1588 | if (coro->flags & CF_READY) |
1695 | if (coro->flags & CF_READY) |
1589 | return 0; |
1696 | return 0; |
1590 | |
1697 | |
1591 | coro->flags |= CF_READY; |
1698 | coro->flags |= CF_READY; |
1592 | |
1699 | |
1593 | sv_hook = coro_nready ? 0 : coro_readyhook; |
|
|
1594 | xs_hook = coro_nready ? 0 : coroapi.readyhook; |
|
|
1595 | |
|
|
1596 | coro_enq (aTHX_ coro); |
1700 | coro_enq (aTHX_ coro); |
1597 | ++coro_nready; |
|
|
1598 | |
1701 | |
1599 | if (sv_hook) |
1702 | if (!coro_nready++) |
1600 | { |
1703 | if (coroapi.readyhook) |
1601 | dSP; |
1704 | coroapi.readyhook (); |
1602 | |
|
|
1603 | ENTER; |
|
|
1604 | SAVETMPS; |
|
|
1605 | |
|
|
1606 | PUSHMARK (SP); |
|
|
1607 | PUTBACK; |
|
|
1608 | call_sv (sv_hook, G_VOID | G_DISCARD); |
|
|
1609 | |
|
|
1610 | FREETMPS; |
|
|
1611 | LEAVE; |
|
|
1612 | } |
|
|
1613 | |
|
|
1614 | if (xs_hook) |
|
|
1615 | xs_hook (); |
|
|
1616 | |
1705 | |
1617 | return 1; |
1706 | return 1; |
1618 | } |
1707 | } |
1619 | |
1708 | |
1620 | static int |
1709 | static int |
… | |
… | |
1643 | static void |
1732 | static void |
1644 | prepare_schedule (pTHX_ struct coro_transfer_args *ta) |
1733 | prepare_schedule (pTHX_ struct coro_transfer_args *ta) |
1645 | { |
1734 | { |
1646 | for (;;) |
1735 | for (;;) |
1647 | { |
1736 | { |
1648 | SV *next_sv = coro_deq (aTHX); |
1737 | struct coro *next = coro_deq (aTHX); |
1649 | |
1738 | |
1650 | if (expect_true (next_sv)) |
1739 | if (expect_true (next)) |
1651 | { |
1740 | { |
1652 | struct coro *next = SvSTATE_hv (next_sv); |
|
|
1653 | |
|
|
1654 | /* cannot transfer to destroyed coros, skip and look for next */ |
1741 | /* cannot transfer to destroyed coros, skip and look for next */ |
1655 | if (expect_false (next->flags & CF_DESTROYED)) |
1742 | if (expect_false (next->flags & (CF_DESTROYED | CF_SUSPENDED))) |
1656 | SvREFCNT_dec (next_sv); /* coro_nready has already been taken care of by destroy */ |
1743 | SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ |
1657 | else |
1744 | else |
1658 | { |
1745 | { |
1659 | next->flags &= ~CF_READY; |
1746 | next->flags &= ~CF_READY; |
1660 | --coro_nready; |
1747 | --coro_nready; |
1661 | |
1748 | |
1662 | return prepare_schedule_to (aTHX_ ta, next); |
1749 | prepare_schedule_to (aTHX_ ta, next); |
|
|
1750 | break; |
1663 | } |
1751 | } |
1664 | } |
1752 | } |
1665 | else |
1753 | else |
1666 | { |
1754 | { |
1667 | /* nothing to schedule: call the idle handler */ |
1755 | /* nothing to schedule: call the idle handler */ |
|
|
1756 | if (SvROK (sv_idle) |
|
|
1757 | && SvOBJECT (SvRV (sv_idle))) |
|
|
1758 | { |
|
|
1759 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
|
|
1760 | api_ready (aTHX_ SvRV (sv_idle)); |
|
|
1761 | --coro_nready; |
|
|
1762 | } |
|
|
1763 | else |
|
|
1764 | { |
|
|
1765 | /* TODO: deprecated, remove, cannot work reliably *//*D*/ |
1668 | dSP; |
1766 | dSP; |
1669 | |
1767 | |
1670 | ENTER; |
1768 | ENTER; |
1671 | SAVETMPS; |
1769 | SAVETMPS; |
1672 | |
1770 | |
1673 | PUSHMARK (SP); |
1771 | PUSHMARK (SP); |
1674 | PUTBACK; |
1772 | PUTBACK; |
1675 | call_sv (get_sv ("Coro::idle", FALSE), G_VOID | G_DISCARD); |
1773 | call_sv (sv_idle, G_VOID | G_DISCARD); |
1676 | |
1774 | |
1677 | FREETMPS; |
1775 | FREETMPS; |
1678 | LEAVE; |
1776 | LEAVE; |
|
|
1777 | } |
1679 | } |
1778 | } |
1680 | } |
1779 | } |
1681 | } |
1780 | } |
1682 | |
1781 | |
1683 | INLINE void |
1782 | INLINE void |
… | |
… | |
1754 | static void |
1853 | static void |
1755 | api_trace (pTHX_ SV *coro_sv, int flags) |
1854 | api_trace (pTHX_ SV *coro_sv, int flags) |
1756 | { |
1855 | { |
1757 | struct coro *coro = SvSTATE (coro_sv); |
1856 | struct coro *coro = SvSTATE (coro_sv); |
1758 | |
1857 | |
|
|
1858 | if (coro->flags & CF_RUNNING) |
|
|
1859 | croak ("cannot enable tracing on a running coroutine, caught"); |
|
|
1860 | |
1759 | if (flags & CC_TRACE) |
1861 | if (flags & CC_TRACE) |
1760 | { |
1862 | { |
1761 | if (!coro->cctx) |
1863 | if (!coro->cctx) |
1762 | coro->cctx = cctx_new_run (); |
1864 | coro->cctx = cctx_new_run (); |
1763 | else if (!(coro->cctx->flags & CC_TRACE)) |
1865 | else if (!(coro->cctx->flags & CC_TRACE)) |
1764 | croak ("cannot enable tracing on coroutine with custom stack,"); |
1866 | croak ("cannot enable tracing on coroutine with custom stack, caught"); |
1765 | |
1867 | |
1766 | coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL)); |
1868 | coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL)); |
1767 | } |
1869 | } |
1768 | else if (coro->cctx && coro->cctx->flags & CC_TRACE) |
1870 | else if (coro->cctx && coro->cctx->flags & CC_TRACE) |
1769 | { |
1871 | { |
… | |
… | |
1814 | { |
1916 | { |
1815 | int i; |
1917 | int i; |
1816 | HV *hv = (HV *)SvRV (coro_current); |
1918 | HV *hv = (HV *)SvRV (coro_current); |
1817 | AV *av = newAV (); |
1919 | AV *av = newAV (); |
1818 | |
1920 | |
|
|
1921 | /* items are actually not so common, so optimise for this case */ |
|
|
1922 | if (items) |
|
|
1923 | { |
1819 | av_extend (av, items - 1); |
1924 | av_extend (av, items - 1); |
|
|
1925 | |
1820 | for (i = 0; i < items; ++i) |
1926 | for (i = 0; i < items; ++i) |
1821 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
1927 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
|
|
1928 | } |
1822 | |
1929 | |
1823 | hv_store (hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0); |
1930 | hv_store (hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0); |
1824 | |
1931 | |
1825 | av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */ |
1932 | av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */ |
1826 | api_ready (aTHX_ sv_manager); |
1933 | api_ready (aTHX_ sv_manager); |
1827 | |
1934 | |
1828 | frame->prepare = prepare_schedule; |
1935 | frame->prepare = prepare_schedule; |
1829 | frame->check = slf_check_repeat; |
1936 | frame->check = slf_check_repeat; |
|
|
1937 | |
|
|
1938 | /* as a minor optimisation, we could unwind all stacks here */ |
|
|
1939 | /* but that puts extra pressure on pp_slf, and is not worth much */ |
|
|
1940 | /*coro_unwind_stacks (aTHX);*/ |
1830 | } |
1941 | } |
1831 | |
1942 | |
1832 | /*****************************************************************************/ |
1943 | /*****************************************************************************/ |
1833 | /* async pool handler */ |
1944 | /* async pool handler */ |
1834 | |
1945 | |
… | |
… | |
1912 | |
2023 | |
1913 | static void |
2024 | static void |
1914 | coro_rouse_callback (pTHX_ CV *cv) |
2025 | coro_rouse_callback (pTHX_ CV *cv) |
1915 | { |
2026 | { |
1916 | dXSARGS; |
2027 | dXSARGS; |
1917 | SV *data = (SV *)GENSUB_ARG; |
2028 | SV *data = (SV *)S_GENSUB_ARG; |
1918 | |
2029 | |
1919 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2030 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
1920 | { |
2031 | { |
1921 | /* first call, set args */ |
2032 | /* first call, set args */ |
|
|
2033 | SV *coro = SvRV (data); |
1922 | AV *av = newAV (); |
2034 | AV *av = newAV (); |
1923 | SV *coro = SvRV (data); |
|
|
1924 | |
2035 | |
1925 | SvRV_set (data, (SV *)av); |
2036 | SvRV_set (data, (SV *)av); |
1926 | api_ready (aTHX_ coro); |
|
|
1927 | SvREFCNT_dec (coro); |
|
|
1928 | |
2037 | |
1929 | /* better take a full copy of the arguments */ |
2038 | /* better take a full copy of the arguments */ |
1930 | while (items--) |
2039 | while (items--) |
1931 | av_store (av, items, newSVsv (ST (items))); |
2040 | av_store (av, items, newSVsv (ST (items))); |
|
|
2041 | |
|
|
2042 | api_ready (aTHX_ coro); |
|
|
2043 | SvREFCNT_dec (coro); |
1932 | } |
2044 | } |
1933 | |
2045 | |
1934 | XSRETURN_EMPTY; |
2046 | XSRETURN_EMPTY; |
1935 | } |
2047 | } |
1936 | |
2048 | |
… | |
… | |
1953 | |
2065 | |
1954 | EXTEND (SP, AvFILLp (av) + 1); |
2066 | EXTEND (SP, AvFILLp (av) + 1); |
1955 | for (i = 0; i <= AvFILLp (av); ++i) |
2067 | for (i = 0; i <= AvFILLp (av); ++i) |
1956 | PUSHs (sv_2mortal (AvARRAY (av)[i])); |
2068 | PUSHs (sv_2mortal (AvARRAY (av)[i])); |
1957 | |
2069 | |
1958 | /* we have stolen the elements, so ste length to zero and free */ |
2070 | /* we have stolen the elements, so set length to zero and free */ |
1959 | AvFILLp (av) = -1; |
2071 | AvFILLp (av) = -1; |
1960 | av_undef (av); |
2072 | av_undef (av); |
1961 | |
2073 | |
1962 | PUTBACK; |
2074 | PUTBACK; |
1963 | } |
2075 | } |
… | |
… | |
1987 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2099 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
1988 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2100 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
1989 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2101 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
1990 | |
2102 | |
1991 | { |
2103 | { |
1992 | CV *cv = (CV *)SvRV (cb); /* for GENSUB_ARG */ |
2104 | CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ |
1993 | SV *data = (SV *)GENSUB_ARG; |
2105 | SV *data = (SV *)S_GENSUB_ARG; |
1994 | |
2106 | |
1995 | frame->data = (void *)data; |
2107 | frame->data = (void *)data; |
1996 | frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule; |
2108 | frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule; |
1997 | frame->check = slf_check_rouse_wait; |
2109 | frame->check = slf_check_rouse_wait; |
1998 | } |
2110 | } |
… | |
… | |
2002 | coro_new_rouse_cb (pTHX) |
2114 | coro_new_rouse_cb (pTHX) |
2003 | { |
2115 | { |
2004 | HV *hv = (HV *)SvRV (coro_current); |
2116 | HV *hv = (HV *)SvRV (coro_current); |
2005 | struct coro *coro = SvSTATE_hv (hv); |
2117 | struct coro *coro = SvSTATE_hv (hv); |
2006 | SV *data = newRV_inc ((SV *)hv); |
2118 | SV *data = newRV_inc ((SV *)hv); |
2007 | SV *cb = gensub (aTHX_ coro_rouse_callback, (void *)data); |
2119 | SV *cb = s_gensub (aTHX_ coro_rouse_callback, (void *)data); |
2008 | |
2120 | |
2009 | sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0); |
2121 | sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0); |
2010 | SvREFCNT_dec (data); /* magicext increases the refcount */ |
2122 | SvREFCNT_dec (data); /* magicext increases the refcount */ |
2011 | |
2123 | |
2012 | SvREFCNT_dec (coro->rouse_cb); |
2124 | SvREFCNT_dec (coro->rouse_cb); |
… | |
… | |
2219 | if (PL_op->op_ppaddr != PL_ppaddr [OP_ENTERSUB] |
2331 | if (PL_op->op_ppaddr != PL_ppaddr [OP_ENTERSUB] |
2220 | && PL_op->op_ppaddr != pp_slf) |
2332 | && PL_op->op_ppaddr != pp_slf) |
2221 | croak ("FATAL: Coro SLF calls can only be made normally, not via goto or any other means, caught"); |
2333 | croak ("FATAL: Coro SLF calls can only be made normally, not via goto or any other means, caught"); |
2222 | |
2334 | |
2223 | CvFLAGS (cv) |= CVf_SLF; |
2335 | CvFLAGS (cv) |= CVf_SLF; |
|
|
2336 | CvNODEBUG_on (cv); |
2224 | CvXSUBANY (cv).any_ptr = (void *)init_cb; |
2337 | CvXSUBANY (cv).any_ptr = (void *)init_cb; |
2225 | slf_cv = cv; |
2338 | slf_cv = cv; |
2226 | |
2339 | |
2227 | /* we patch the op, and then re-run the whole call */ |
2340 | /* we patch the op, and then re-run the whole call */ |
2228 | /* we have to put the same argument on the stack for this to work */ |
2341 | /* we have to put the same argument on the stack for this to work */ |
… | |
… | |
2250 | } |
2363 | } |
2251 | else |
2364 | else |
2252 | slf_argc = 0; |
2365 | slf_argc = 0; |
2253 | |
2366 | |
2254 | PL_op->op_ppaddr = pp_slf; |
2367 | PL_op->op_ppaddr = pp_slf; |
2255 | PL_op->op_type = OP_CUSTOM; /* maybe we should leave it at entersub? */ |
2368 | /*PL_op->op_type = OP_CUSTOM; /* we do behave like entersub still */ |
2256 | |
2369 | |
2257 | PL_op = (OP *)&slf_restore; |
2370 | PL_op = (OP *)&slf_restore; |
|
|
2371 | } |
|
|
2372 | |
|
|
2373 | /*****************************************************************************/ |
|
|
2374 | /* dynamic wind */ |
|
|
2375 | |
|
|
2376 | static void |
|
|
2377 | on_enterleave_call (pTHX_ SV *cb) |
|
|
2378 | { |
|
|
2379 | dSP; |
|
|
2380 | |
|
|
2381 | PUSHSTACK; |
|
|
2382 | |
|
|
2383 | PUSHMARK (SP); |
|
|
2384 | PUTBACK; |
|
|
2385 | call_sv (cb, G_VOID | G_DISCARD); |
|
|
2386 | SPAGAIN; |
|
|
2387 | |
|
|
2388 | POPSTACK; |
|
|
2389 | } |
|
|
2390 | |
|
|
2391 | static SV * |
|
|
2392 | coro_avp_pop_and_free (pTHX_ AV **avp) |
|
|
2393 | { |
|
|
2394 | AV *av = *avp; |
|
|
2395 | SV *res = av_pop (av); |
|
|
2396 | |
|
|
2397 | if (AvFILLp (av) < 0) |
|
|
2398 | { |
|
|
2399 | *avp = 0; |
|
|
2400 | SvREFCNT_dec (av); |
|
|
2401 | } |
|
|
2402 | |
|
|
2403 | return res; |
|
|
2404 | } |
|
|
2405 | |
|
|
2406 | static void |
|
|
2407 | coro_pop_on_enter (pTHX_ void *coro) |
|
|
2408 | { |
|
|
2409 | SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_enter); |
|
|
2410 | SvREFCNT_dec (cb); |
|
|
2411 | } |
|
|
2412 | |
|
|
2413 | static void |
|
|
2414 | coro_pop_on_leave (pTHX_ void *coro) |
|
|
2415 | { |
|
|
2416 | SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_leave); |
|
|
2417 | on_enterleave_call (aTHX_ sv_2mortal (cb)); |
2258 | } |
2418 | } |
2259 | |
2419 | |
2260 | /*****************************************************************************/ |
2420 | /*****************************************************************************/ |
2261 | /* PerlIO::cede */ |
2421 | /* PerlIO::cede */ |
2262 | |
2422 | |
… | |
… | |
2336 | /* Coro::Semaphore & Coro::Signal */ |
2496 | /* Coro::Semaphore & Coro::Signal */ |
2337 | |
2497 | |
2338 | static SV * |
2498 | static SV * |
2339 | coro_waitarray_new (pTHX_ int count) |
2499 | coro_waitarray_new (pTHX_ int count) |
2340 | { |
2500 | { |
2341 | /* a semaphore contains a counter IV in $sem->[0] and any waiters after that */ |
2501 | /* a waitarray=semaphore contains a counter IV in $sem->[0] and any waiters after that */ |
2342 | AV *av = newAV (); |
2502 | AV *av = newAV (); |
2343 | SV **ary; |
2503 | SV **ary; |
2344 | |
2504 | |
2345 | /* unfortunately, building manually saves memory */ |
2505 | /* unfortunately, building manually saves memory */ |
2346 | Newx (ary, 2, SV *); |
2506 | Newx (ary, 2, SV *); |
2347 | AvALLOC (av) = ary; |
2507 | AvALLOC (av) = ary; |
|
|
2508 | #if PERL_VERSION_ATLEAST (5,10,0) |
2348 | /*AvARRAY (av) = ary;*/ |
2509 | AvARRAY (av) = ary; |
|
|
2510 | #else |
2349 | SvPVX ((SV *)av) = (char *)ary; /* 5.8.8 needs this syntax instead of AvARRAY = ary */ |
2511 | /* 5.8.8 needs this syntax instead of AvARRAY = ary, yet */ |
|
|
2512 | /* -DDEBUGGING flags this as a bug, despite it perfectly working */ |
|
|
2513 | SvPVX ((SV *)av) = (char *)ary; |
|
|
2514 | #endif |
2350 | AvMAX (av) = 1; |
2515 | AvMAX (av) = 1; |
2351 | AvFILLp (av) = 0; |
2516 | AvFILLp (av) = 0; |
2352 | ary [0] = newSViv (count); |
2517 | ary [0] = newSViv (count); |
2353 | |
2518 | |
2354 | return newRV_noinc ((SV *)av); |
2519 | return newRV_noinc ((SV *)av); |
… | |
… | |
2483 | { |
2648 | { |
2484 | if (items >= 2) |
2649 | if (items >= 2) |
2485 | { |
2650 | { |
2486 | /* callback form */ |
2651 | /* callback form */ |
2487 | AV *av = (AV *)SvRV (arg [0]); |
2652 | AV *av = (AV *)SvRV (arg [0]); |
2488 | CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]); |
2653 | SV *cb_cv = s_get_cv_croak (arg [1]); |
2489 | |
2654 | |
2490 | av_push (av, (SV *)SvREFCNT_inc_NN (cb_cv)); |
2655 | av_push (av, SvREFCNT_inc_NN (cb_cv)); |
2491 | |
2656 | |
2492 | if (SvIVX (AvARRAY (av)[0]) > 0) |
2657 | if (SvIVX (AvARRAY (av)[0]) > 0) |
2493 | coro_semaphore_adjust (aTHX_ av, 0); |
2658 | coro_semaphore_adjust (aTHX_ av, 0); |
2494 | |
2659 | |
2495 | frame->prepare = prepare_nop; |
2660 | frame->prepare = prepare_nop; |
… | |
… | |
2519 | AvARRAY (av)[0] = AvARRAY (av)[1]; |
2684 | AvARRAY (av)[0] = AvARRAY (av)[1]; |
2520 | AvARRAY (av)[1] = cb; |
2685 | AvARRAY (av)[1] = cb; |
2521 | |
2686 | |
2522 | cb = av_shift (av); |
2687 | cb = av_shift (av); |
2523 | |
2688 | |
|
|
2689 | if (SvTYPE (cb) == SVt_PVCV) |
|
|
2690 | { |
|
|
2691 | dSP; |
|
|
2692 | PUSHMARK (SP); |
|
|
2693 | XPUSHs (sv_2mortal (newRV_inc ((SV *)av))); |
|
|
2694 | PUTBACK; |
|
|
2695 | call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR); |
|
|
2696 | } |
|
|
2697 | else |
|
|
2698 | { |
2524 | api_ready (aTHX_ cb); |
2699 | api_ready (aTHX_ cb); |
2525 | sv_setiv (cb, 0); /* signal waiter */ |
2700 | sv_setiv (cb, 0); /* signal waiter */ |
|
|
2701 | } |
|
|
2702 | |
2526 | SvREFCNT_dec (cb); |
2703 | SvREFCNT_dec (cb); |
2527 | |
2704 | |
2528 | --count; |
2705 | --count; |
2529 | } |
2706 | } |
2530 | } |
2707 | } |
… | |
… | |
2539 | static void |
2716 | static void |
2540 | slf_init_signal_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2717 | slf_init_signal_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2541 | { |
2718 | { |
2542 | AV *av = (AV *)SvRV (arg [0]); |
2719 | AV *av = (AV *)SvRV (arg [0]); |
2543 | |
2720 | |
|
|
2721 | if (items >= 2) |
|
|
2722 | { |
|
|
2723 | SV *cb_cv = s_get_cv_croak (arg [1]); |
|
|
2724 | av_push (av, SvREFCNT_inc_NN (cb_cv)); |
|
|
2725 | |
2544 | if (SvIVX (AvARRAY (av)[0])) |
2726 | if (SvIVX (AvARRAY (av)[0])) |
|
|
2727 | coro_signal_wake (aTHX_ av, 1); /* ust be the only waiter */ |
|
|
2728 | |
|
|
2729 | frame->prepare = prepare_nop; |
|
|
2730 | frame->check = slf_check_nop; |
|
|
2731 | } |
|
|
2732 | else if (SvIVX (AvARRAY (av)[0])) |
2545 | { |
2733 | { |
2546 | SvIVX (AvARRAY (av)[0]) = 0; |
2734 | SvIVX (AvARRAY (av)[0]) = 0; |
2547 | frame->prepare = prepare_nop; |
2735 | frame->prepare = prepare_nop; |
2548 | frame->check = slf_check_nop; |
2736 | frame->check = slf_check_nop; |
2549 | } |
2737 | } |
2550 | else |
2738 | else |
2551 | { |
2739 | { |
2552 | SV *waiter = newRV_inc (SvRV (coro_current)); /* owned by signal av */ |
2740 | SV *waiter = newSVsv (coro_current); /* owned by signal av */ |
2553 | |
2741 | |
2554 | av_push (av, waiter); |
2742 | av_push (av, waiter); |
2555 | |
2743 | |
2556 | frame->data = (void *)sv_2mortal (SvREFCNT_inc_NN (waiter)); /* owned by process */ |
2744 | frame->data = (void *)sv_2mortal (SvREFCNT_inc_NN (waiter)); /* owned by process */ |
2557 | frame->prepare = prepare_schedule; |
2745 | frame->prepare = prepare_schedule; |
… | |
… | |
2575 | |
2763 | |
2576 | static void |
2764 | static void |
2577 | coro_aio_callback (pTHX_ CV *cv) |
2765 | coro_aio_callback (pTHX_ CV *cv) |
2578 | { |
2766 | { |
2579 | dXSARGS; |
2767 | dXSARGS; |
2580 | AV *state = (AV *)GENSUB_ARG; |
2768 | AV *state = (AV *)S_GENSUB_ARG; |
2581 | SV *coro = av_pop (state); |
2769 | SV *coro = av_pop (state); |
2582 | SV *data_sv = newSV (sizeof (struct io_state)); |
2770 | SV *data_sv = newSV (sizeof (struct io_state)); |
2583 | |
2771 | |
2584 | av_extend (state, items - 1); |
2772 | av_extend (state, items - 1); |
2585 | |
2773 | |
… | |
… | |
2699 | |
2887 | |
2700 | for (i = 0; i < items; ++i) |
2888 | for (i = 0; i < items; ++i) |
2701 | PUSHs (arg [i]); |
2889 | PUSHs (arg [i]); |
2702 | |
2890 | |
2703 | /* now push the callback closure */ |
2891 | /* now push the callback closure */ |
2704 | PUSHs (sv_2mortal (gensub (aTHX_ coro_aio_callback, (void *)SvREFCNT_inc_NN ((SV *)state)))); |
2892 | PUSHs (sv_2mortal (s_gensub (aTHX_ coro_aio_callback, (void *)SvREFCNT_inc_NN ((SV *)state)))); |
2705 | |
2893 | |
2706 | /* now call the AIO function - we assume our request is uncancelable */ |
2894 | /* now call the AIO function - we assume our request is uncancelable */ |
2707 | PUTBACK; |
2895 | PUTBACK; |
2708 | call_sv ((SV *)req, G_VOID | G_DISCARD); |
2896 | call_sv ((SV *)req, G_VOID | G_DISCARD); |
2709 | } |
2897 | } |
… | |
… | |
2723 | |
2911 | |
2724 | XSRETURN_EMPTY; |
2912 | XSRETURN_EMPTY; |
2725 | } |
2913 | } |
2726 | |
2914 | |
2727 | /*****************************************************************************/ |
2915 | /*****************************************************************************/ |
|
|
2916 | |
|
|
2917 | #if CORO_CLONE |
|
|
2918 | # include "clone.c" |
|
|
2919 | #endif |
|
|
2920 | |
|
|
2921 | /*****************************************************************************/ |
|
|
2922 | |
|
|
2923 | static SV * |
|
|
2924 | coro_new (pTHX_ HV *stash, SV **argv, int argc, int is_coro) |
|
|
2925 | { |
|
|
2926 | SV *coro_sv; |
|
|
2927 | struct coro *coro; |
|
|
2928 | MAGIC *mg; |
|
|
2929 | HV *hv; |
|
|
2930 | SV *cb; |
|
|
2931 | int i; |
|
|
2932 | |
|
|
2933 | if (argc > 0) |
|
|
2934 | { |
|
|
2935 | cb = s_get_cv_croak (argv [0]); |
|
|
2936 | |
|
|
2937 | if (!is_coro) |
|
|
2938 | { |
|
|
2939 | if (CvISXSUB (cb)) |
|
|
2940 | croak ("Coro::State doesn't support XS functions as coroutine start, caught"); |
|
|
2941 | |
|
|
2942 | if (!CvROOT (cb)) |
|
|
2943 | croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught"); |
|
|
2944 | } |
|
|
2945 | } |
|
|
2946 | |
|
|
2947 | Newz (0, coro, 1, struct coro); |
|
|
2948 | coro->args = newAV (); |
|
|
2949 | coro->flags = CF_NEW; |
|
|
2950 | |
|
|
2951 | if (coro_first) coro_first->prev = coro; |
|
|
2952 | coro->next = coro_first; |
|
|
2953 | coro_first = coro; |
|
|
2954 | |
|
|
2955 | coro->hv = hv = newHV (); |
|
|
2956 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
|
|
2957 | mg->mg_flags |= MGf_DUP; |
|
|
2958 | coro_sv = sv_bless (newRV_noinc ((SV *)hv), stash); |
|
|
2959 | |
|
|
2960 | if (argc > 0) |
|
|
2961 | { |
|
|
2962 | av_extend (coro->args, argc + is_coro - 1); |
|
|
2963 | |
|
|
2964 | if (is_coro) |
|
|
2965 | { |
|
|
2966 | av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb)); |
|
|
2967 | cb = (SV *)cv_coro_run; |
|
|
2968 | } |
|
|
2969 | |
|
|
2970 | coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb); |
|
|
2971 | |
|
|
2972 | for (i = 1; i < argc; i++) |
|
|
2973 | av_push (coro->args, newSVsv (argv [i])); |
|
|
2974 | } |
|
|
2975 | |
|
|
2976 | return coro_sv; |
|
|
2977 | } |
2728 | |
2978 | |
2729 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
2979 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
2730 | |
2980 | |
2731 | PROTOTYPES: DISABLE |
2981 | PROTOTYPES: DISABLE |
2732 | |
2982 | |
… | |
… | |
2737 | coro_thx = PERL_GET_CONTEXT; |
2987 | coro_thx = PERL_GET_CONTEXT; |
2738 | # endif |
2988 | # endif |
2739 | #endif |
2989 | #endif |
2740 | BOOT_PAGESIZE; |
2990 | BOOT_PAGESIZE; |
2741 | |
2991 | |
|
|
2992 | cctx_current = cctx_new_empty (); |
|
|
2993 | |
2742 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
2994 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
2743 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
2995 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
2744 | |
2996 | |
2745 | orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get; |
2997 | orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get; |
2746 | orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set; |
2998 | orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set; |
… | |
… | |
2765 | |
3017 | |
2766 | { |
3018 | { |
2767 | SV *slf = sv_2mortal (newSViv (PTR2IV (pp_slf))); |
3019 | SV *slf = sv_2mortal (newSViv (PTR2IV (pp_slf))); |
2768 | |
3020 | |
2769 | if (!PL_custom_op_names) PL_custom_op_names = newHV (); |
3021 | if (!PL_custom_op_names) PL_custom_op_names = newHV (); |
2770 | hv_store_ent (PL_custom_op_names, slf, |
3022 | hv_store_ent (PL_custom_op_names, slf, newSVpv ("coro_slf", 0), 0); |
2771 | newSVpv ("coro_slf", 0), 0); |
|
|
2772 | |
3023 | |
2773 | if (!PL_custom_op_descs) PL_custom_op_descs = newHV (); |
3024 | if (!PL_custom_op_descs) PL_custom_op_descs = newHV (); |
2774 | hv_store_ent (PL_custom_op_descs, slf, |
3025 | hv_store_ent (PL_custom_op_descs, slf, newSVpv ("coro schedule like function", 0), 0); |
2775 | newSVpv ("coro schedule like function", 0), 0); |
|
|
2776 | } |
3026 | } |
2777 | |
3027 | |
2778 | coroapi.ver = CORO_API_VERSION; |
3028 | coroapi.ver = CORO_API_VERSION; |
2779 | coroapi.rev = CORO_API_REVISION; |
3029 | coroapi.rev = CORO_API_REVISION; |
2780 | |
3030 | |
… | |
… | |
2792 | |
3042 | |
2793 | if (!svp) croak ("Time::HiRes is required"); |
3043 | if (!svp) croak ("Time::HiRes is required"); |
2794 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer"); |
3044 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer"); |
2795 | |
3045 | |
2796 | nvtime = INT2PTR (double (*)(), SvIV (*svp)); |
3046 | nvtime = INT2PTR (double (*)(), SvIV (*svp)); |
|
|
3047 | |
|
|
3048 | svp = hv_fetch (PL_modglobal, "Time::U2time", 12, 0); |
|
|
3049 | u2time = INT2PTR (void (*)(pTHX_ UV ret[2]), SvIV (*svp)); |
2797 | } |
3050 | } |
2798 | |
3051 | |
2799 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
3052 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
2800 | } |
3053 | } |
2801 | |
3054 | |
2802 | SV * |
3055 | SV * |
2803 | new (char *klass, ...) |
3056 | new (SV *klass, ...) |
2804 | ALIAS: |
3057 | ALIAS: |
2805 | Coro::new = 1 |
3058 | Coro::new = 1 |
2806 | CODE: |
3059 | CODE: |
2807 | { |
3060 | RETVAL = coro_new (aTHX_ ix ? coro_stash : coro_state_stash, &ST (1), items - 1, ix); |
2808 | struct coro *coro; |
3061 | OUTPUT: |
2809 | MAGIC *mg; |
|
|
2810 | HV *hv; |
|
|
2811 | CV *cb; |
|
|
2812 | int i; |
|
|
2813 | |
|
|
2814 | if (items > 1) |
|
|
2815 | { |
|
|
2816 | cb = coro_sv_2cv (aTHX_ ST (1)); |
|
|
2817 | |
|
|
2818 | if (!ix) |
|
|
2819 | { |
|
|
2820 | if (CvISXSUB (cb)) |
|
|
2821 | croak ("Coro::State doesn't support XS functions as coroutine start, caught"); |
|
|
2822 | |
|
|
2823 | if (!CvROOT (cb)) |
|
|
2824 | croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught"); |
|
|
2825 | } |
|
|
2826 | } |
|
|
2827 | |
|
|
2828 | Newz (0, coro, 1, struct coro); |
|
|
2829 | coro->args = newAV (); |
|
|
2830 | coro->flags = CF_NEW; |
|
|
2831 | |
|
|
2832 | if (coro_first) coro_first->prev = coro; |
|
|
2833 | coro->next = coro_first; |
|
|
2834 | coro_first = coro; |
|
|
2835 | |
|
|
2836 | coro->hv = hv = newHV (); |
|
|
2837 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
|
|
2838 | mg->mg_flags |= MGf_DUP; |
|
|
2839 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
|
|
2840 | |
|
|
2841 | if (items > 1) |
|
|
2842 | { |
|
|
2843 | av_extend (coro->args, items - 1 + ix - 1); |
|
|
2844 | |
|
|
2845 | if (ix) |
|
|
2846 | { |
|
|
2847 | av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb)); |
|
|
2848 | cb = cv_coro_run; |
|
|
2849 | } |
|
|
2850 | |
|
|
2851 | coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb); |
|
|
2852 | |
|
|
2853 | for (i = 2; i < items; i++) |
|
|
2854 | av_push (coro->args, newSVsv (ST (i))); |
|
|
2855 | } |
|
|
2856 | } |
|
|
2857 | OUTPUT: |
|
|
2858 | RETVAL |
3062 | RETVAL |
2859 | |
3063 | |
2860 | void |
3064 | void |
2861 | transfer (...) |
3065 | transfer (...) |
2862 | PROTOTYPE: $$ |
3066 | PROTOTYPE: $$ |
… | |
… | |
2873 | void |
3077 | void |
2874 | _exit (int code) |
3078 | _exit (int code) |
2875 | PROTOTYPE: $ |
3079 | PROTOTYPE: $ |
2876 | CODE: |
3080 | CODE: |
2877 | _exit (code); |
3081 | _exit (code); |
|
|
3082 | |
|
|
3083 | SV * |
|
|
3084 | clone (Coro::State coro) |
|
|
3085 | CODE: |
|
|
3086 | { |
|
|
3087 | #if CORO_CLONE |
|
|
3088 | struct coro *ncoro = coro_clone (aTHX_ coro); |
|
|
3089 | MAGIC *mg; |
|
|
3090 | /* TODO: too much duplication */ |
|
|
3091 | ncoro->hv = newHV (); |
|
|
3092 | mg = sv_magicext ((SV *)ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)ncoro, 0); |
|
|
3093 | mg->mg_flags |= MGf_DUP; |
|
|
3094 | RETVAL = sv_bless (newRV_noinc ((SV *)ncoro->hv), SvSTASH (coro->hv)); |
|
|
3095 | #else |
|
|
3096 | croak ("Coro::State->clone has not been configured into this installation of Coro, realised"); |
|
|
3097 | #endif |
|
|
3098 | } |
|
|
3099 | OUTPUT: |
|
|
3100 | RETVAL |
2878 | |
3101 | |
2879 | int |
3102 | int |
2880 | cctx_stacksize (int new_stacksize = 0) |
3103 | cctx_stacksize (int new_stacksize = 0) |
2881 | PROTOTYPE: ;$ |
3104 | PROTOTYPE: ;$ |
2882 | CODE: |
3105 | CODE: |
… | |
… | |
2932 | eval = 1 |
3155 | eval = 1 |
2933 | CODE: |
3156 | CODE: |
2934 | { |
3157 | { |
2935 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
3158 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
2936 | { |
3159 | { |
2937 | struct coro temp; |
3160 | struct coro *current = SvSTATE_current; |
2938 | |
3161 | |
2939 | if (!(coro->flags & CF_RUNNING)) |
3162 | if (current != coro) |
2940 | { |
3163 | { |
2941 | PUTBACK; |
3164 | PUTBACK; |
2942 | save_perl (aTHX_ &temp); |
3165 | save_perl (aTHX_ current); |
2943 | load_perl (aTHX_ coro); |
3166 | load_perl (aTHX_ coro); |
|
|
3167 | SPAGAIN; |
2944 | } |
3168 | } |
2945 | |
3169 | |
2946 | { |
|
|
2947 | dSP; |
|
|
2948 | ENTER; |
|
|
2949 | SAVETMPS; |
|
|
2950 | PUTBACK; |
|
|
2951 | PUSHSTACK; |
3170 | PUSHSTACK; |
|
|
3171 | |
2952 | PUSHMARK (SP); |
3172 | PUSHMARK (SP); |
|
|
3173 | PUTBACK; |
2953 | |
3174 | |
2954 | if (ix) |
3175 | if (ix) |
2955 | eval_sv (coderef, 0); |
3176 | eval_sv (coderef, 0); |
2956 | else |
3177 | else |
2957 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
3178 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
2958 | |
3179 | |
2959 | POPSTACK; |
3180 | POPSTACK; |
2960 | SPAGAIN; |
3181 | SPAGAIN; |
2961 | FREETMPS; |
|
|
2962 | LEAVE; |
|
|
2963 | PUTBACK; |
|
|
2964 | } |
|
|
2965 | |
3182 | |
2966 | if (!(coro->flags & CF_RUNNING)) |
3183 | if (current != coro) |
2967 | { |
3184 | { |
|
|
3185 | PUTBACK; |
2968 | save_perl (aTHX_ coro); |
3186 | save_perl (aTHX_ coro); |
2969 | load_perl (aTHX_ &temp); |
3187 | load_perl (aTHX_ current); |
2970 | SPAGAIN; |
3188 | SPAGAIN; |
2971 | } |
3189 | } |
2972 | } |
3190 | } |
2973 | } |
3191 | } |
2974 | |
3192 | |
… | |
… | |
2978 | ALIAS: |
3196 | ALIAS: |
2979 | is_ready = CF_READY |
3197 | is_ready = CF_READY |
2980 | is_running = CF_RUNNING |
3198 | is_running = CF_RUNNING |
2981 | is_new = CF_NEW |
3199 | is_new = CF_NEW |
2982 | is_destroyed = CF_DESTROYED |
3200 | is_destroyed = CF_DESTROYED |
|
|
3201 | is_suspended = CF_SUSPENDED |
2983 | CODE: |
3202 | CODE: |
2984 | RETVAL = boolSV (coro->flags & ix); |
3203 | RETVAL = boolSV (coro->flags & ix); |
2985 | OUTPUT: |
3204 | OUTPUT: |
2986 | RETVAL |
3205 | RETVAL |
2987 | |
3206 | |
… | |
… | |
2991 | CODE: |
3210 | CODE: |
2992 | { |
3211 | { |
2993 | struct coro *current = SvSTATE_current; |
3212 | struct coro *current = SvSTATE_current; |
2994 | SV **throwp = self == current ? &CORO_THROW : &self->except; |
3213 | SV **throwp = self == current ? &CORO_THROW : &self->except; |
2995 | SvREFCNT_dec (*throwp); |
3214 | SvREFCNT_dec (*throwp); |
|
|
3215 | SvGETMAGIC (throw); |
2996 | *throwp = SvOK (throw) ? newSVsv (throw) : 0; |
3216 | *throwp = SvOK (throw) ? newSVsv (throw) : 0; |
2997 | } |
3217 | } |
2998 | |
3218 | |
2999 | void |
3219 | void |
3000 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3220 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
… | |
… | |
3003 | |
3223 | |
3004 | SV * |
3224 | SV * |
3005 | has_cctx (Coro::State coro) |
3225 | has_cctx (Coro::State coro) |
3006 | PROTOTYPE: $ |
3226 | PROTOTYPE: $ |
3007 | CODE: |
3227 | CODE: |
3008 | RETVAL = boolSV (!!coro->cctx); |
3228 | /* maybe manage the running flag differently */ |
|
|
3229 | RETVAL = boolSV (!!coro->cctx || (coro->flags & CF_RUNNING)); |
3009 | OUTPUT: |
3230 | OUTPUT: |
3010 | RETVAL |
3231 | RETVAL |
3011 | |
3232 | |
3012 | int |
3233 | int |
3013 | is_traced (Coro::State coro) |
3234 | is_traced (Coro::State coro) |
… | |
… | |
3033 | |
3254 | |
3034 | void |
3255 | void |
3035 | force_cctx () |
3256 | force_cctx () |
3036 | PROTOTYPE: |
3257 | PROTOTYPE: |
3037 | CODE: |
3258 | CODE: |
3038 | SvSTATE_current->cctx->idle_sp = 0; |
3259 | cctx_current->idle_sp = 0; |
3039 | |
3260 | |
3040 | void |
3261 | void |
3041 | swap_defsv (Coro::State self) |
3262 | swap_defsv (Coro::State self) |
3042 | PROTOTYPE: $ |
3263 | PROTOTYPE: $ |
3043 | ALIAS: |
3264 | ALIAS: |
… | |
… | |
3051 | SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv; |
3272 | SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv; |
3052 | |
3273 | |
3053 | SV *tmp = *src; *src = *dst; *dst = tmp; |
3274 | SV *tmp = *src; *src = *dst; *dst = tmp; |
3054 | } |
3275 | } |
3055 | |
3276 | |
|
|
3277 | void |
|
|
3278 | cancel (Coro::State self) |
|
|
3279 | CODE: |
|
|
3280 | coro_state_destroy (aTHX_ self); |
|
|
3281 | coro_call_on_destroy (aTHX_ self); /* actually only for Coro objects */ |
|
|
3282 | |
|
|
3283 | |
|
|
3284 | SV * |
|
|
3285 | enable_times (int enabled = enable_times) |
|
|
3286 | CODE: |
|
|
3287 | { |
|
|
3288 | RETVAL = boolSV (enable_times); |
|
|
3289 | |
|
|
3290 | if (enabled != enable_times) |
|
|
3291 | { |
|
|
3292 | enable_times = enabled; |
|
|
3293 | |
|
|
3294 | coro_times_update (); |
|
|
3295 | (enabled ? coro_times_sub : coro_times_add)(SvSTATE (coro_current)); |
|
|
3296 | } |
|
|
3297 | } |
|
|
3298 | OUTPUT: |
|
|
3299 | RETVAL |
|
|
3300 | |
|
|
3301 | void |
|
|
3302 | times (Coro::State self) |
|
|
3303 | PPCODE: |
|
|
3304 | { |
|
|
3305 | struct coro *current = SvSTATE (coro_current); |
|
|
3306 | |
|
|
3307 | if (expect_false (current == self)) |
|
|
3308 | { |
|
|
3309 | coro_times_update (); |
|
|
3310 | coro_times_add (SvSTATE (coro_current)); |
|
|
3311 | } |
|
|
3312 | |
|
|
3313 | EXTEND (SP, 2); |
|
|
3314 | PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9))); |
|
|
3315 | PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9))); |
|
|
3316 | |
|
|
3317 | if (expect_false (current == self)) |
|
|
3318 | coro_times_sub (SvSTATE (coro_current)); |
|
|
3319 | } |
3056 | |
3320 | |
3057 | MODULE = Coro::State PACKAGE = Coro |
3321 | MODULE = Coro::State PACKAGE = Coro |
3058 | |
3322 | |
3059 | BOOT: |
3323 | BOOT: |
3060 | { |
3324 | { |
3061 | int i; |
|
|
3062 | |
|
|
3063 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3325 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3064 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3326 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3065 | cv_coro_run = get_cv ( "Coro::_terminate", GV_ADD); |
3327 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
3066 | cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD); |
3328 | cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD); |
3067 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
3329 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
3068 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
3330 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
3069 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
3331 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
3070 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
3332 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
|
|
3333 | sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); |
3071 | |
3334 | |
3072 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3335 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3073 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
3336 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
3074 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
3337 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
3075 | cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new); |
3338 | CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */ |
3076 | |
3339 | |
3077 | coro_stash = gv_stashpv ("Coro", TRUE); |
3340 | coro_stash = gv_stashpv ("Coro", TRUE); |
3078 | |
3341 | |
3079 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
3342 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
3080 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
3343 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
3081 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); |
3344 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL)); |
3082 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); |
3345 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (CORO_PRIO_LOW)); |
3083 | newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE)); |
3346 | newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (CORO_PRIO_IDLE)); |
3084 | newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN)); |
3347 | newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (CORO_PRIO_MIN)); |
3085 | |
|
|
3086 | for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) |
|
|
3087 | coro_ready[i] = newAV (); |
|
|
3088 | |
3348 | |
3089 | { |
3349 | { |
3090 | SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE); |
3350 | SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE); |
3091 | |
3351 | |
3092 | coroapi.schedule = api_schedule; |
3352 | coroapi.schedule = api_schedule; |
… | |
… | |
3102 | sv_setiv (sv, (IV)&coroapi); |
3362 | sv_setiv (sv, (IV)&coroapi); |
3103 | SvREADONLY_on (sv); |
3363 | SvREADONLY_on (sv); |
3104 | } |
3364 | } |
3105 | } |
3365 | } |
3106 | |
3366 | |
|
|
3367 | SV * |
|
|
3368 | async (...) |
|
|
3369 | PROTOTYPE: &@ |
|
|
3370 | CODE: |
|
|
3371 | RETVAL = coro_new (aTHX_ coro_stash, &ST (0), items, 1); |
|
|
3372 | api_ready (aTHX_ RETVAL); |
|
|
3373 | OUTPUT: |
|
|
3374 | RETVAL |
|
|
3375 | |
3107 | void |
3376 | void |
3108 | terminate (...) |
3377 | terminate (...) |
3109 | CODE: |
3378 | CODE: |
3110 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
3379 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
3111 | |
3380 | |
… | |
… | |
3131 | |
3400 | |
3132 | void |
3401 | void |
3133 | cede_notself (...) |
3402 | cede_notself (...) |
3134 | CODE: |
3403 | CODE: |
3135 | CORO_EXECUTE_SLF_XS (slf_init_cede_notself); |
3404 | CORO_EXECUTE_SLF_XS (slf_init_cede_notself); |
3136 | |
|
|
3137 | void |
|
|
3138 | _cancel (Coro::State self) |
|
|
3139 | CODE: |
|
|
3140 | coro_state_destroy (aTHX_ self); |
|
|
3141 | coro_call_on_destroy (aTHX_ self); |
|
|
3142 | |
3405 | |
3143 | void |
3406 | void |
3144 | _set_current (SV *current) |
3407 | _set_current (SV *current) |
3145 | PROTOTYPE: $ |
3408 | PROTOTYPE: $ |
3146 | CODE: |
3409 | CODE: |
… | |
… | |
3150 | void |
3413 | void |
3151 | _set_readyhook (SV *hook) |
3414 | _set_readyhook (SV *hook) |
3152 | PROTOTYPE: $ |
3415 | PROTOTYPE: $ |
3153 | CODE: |
3416 | CODE: |
3154 | SvREFCNT_dec (coro_readyhook); |
3417 | SvREFCNT_dec (coro_readyhook); |
|
|
3418 | SvGETMAGIC (hook); |
|
|
3419 | if (SvOK (hook)) |
|
|
3420 | { |
3155 | coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0; |
3421 | coro_readyhook = newSVsv (hook); |
|
|
3422 | CORO_READYHOOK = invoke_sv_ready_hook_helper; |
|
|
3423 | } |
|
|
3424 | else |
|
|
3425 | { |
|
|
3426 | coro_readyhook = 0; |
|
|
3427 | CORO_READYHOOK = 0; |
|
|
3428 | } |
3156 | |
3429 | |
3157 | int |
3430 | int |
3158 | prio (Coro::State coro, int newprio = 0) |
3431 | prio (Coro::State coro, int newprio = 0) |
3159 | PROTOTYPE: $;$ |
3432 | PROTOTYPE: $;$ |
3160 | ALIAS: |
3433 | ALIAS: |
… | |
… | |
3166 | if (items > 1) |
3439 | if (items > 1) |
3167 | { |
3440 | { |
3168 | if (ix) |
3441 | if (ix) |
3169 | newprio = coro->prio - newprio; |
3442 | newprio = coro->prio - newprio; |
3170 | |
3443 | |
3171 | if (newprio < PRIO_MIN) newprio = PRIO_MIN; |
3444 | if (newprio < CORO_PRIO_MIN) newprio = CORO_PRIO_MIN; |
3172 | if (newprio > PRIO_MAX) newprio = PRIO_MAX; |
3445 | if (newprio > CORO_PRIO_MAX) newprio = CORO_PRIO_MAX; |
3173 | |
3446 | |
3174 | coro->prio = newprio; |
3447 | coro->prio = newprio; |
3175 | } |
3448 | } |
3176 | } |
3449 | } |
3177 | OUTPUT: |
3450 | OUTPUT: |
… | |
… | |
3192 | RETVAL = coro_nready; |
3465 | RETVAL = coro_nready; |
3193 | OUTPUT: |
3466 | OUTPUT: |
3194 | RETVAL |
3467 | RETVAL |
3195 | |
3468 | |
3196 | void |
3469 | void |
|
|
3470 | suspend (Coro::State self) |
|
|
3471 | PROTOTYPE: $ |
|
|
3472 | CODE: |
|
|
3473 | self->flags |= CF_SUSPENDED; |
|
|
3474 | |
|
|
3475 | void |
|
|
3476 | resume (Coro::State self) |
|
|
3477 | PROTOTYPE: $ |
|
|
3478 | CODE: |
|
|
3479 | self->flags &= ~CF_SUSPENDED; |
|
|
3480 | |
|
|
3481 | void |
3197 | _pool_handler (...) |
3482 | _pool_handler (...) |
3198 | CODE: |
3483 | CODE: |
3199 | CORO_EXECUTE_SLF_XS (slf_init_pool_handler); |
3484 | CORO_EXECUTE_SLF_XS (slf_init_pool_handler); |
3200 | |
3485 | |
3201 | void |
3486 | void |
… | |
… | |
3212 | for (i = 1; i < items; ++i) |
3497 | for (i = 1; i < items; ++i) |
3213 | av_push (av, SvREFCNT_inc_NN (ST (i))); |
3498 | av_push (av, SvREFCNT_inc_NN (ST (i))); |
3214 | |
3499 | |
3215 | if ((SV *)hv == &PL_sv_undef) |
3500 | if ((SV *)hv == &PL_sv_undef) |
3216 | { |
3501 | { |
3217 | PUSHMARK (SP); |
3502 | SV *sv = coro_new (aTHX_ coro_stash, (SV **)&cv_pool_handler, 1, 1); |
3218 | EXTEND (SP, 2); |
|
|
3219 | PUSHs (sv_Coro); |
|
|
3220 | PUSHs ((SV *)cv_pool_handler); |
|
|
3221 | PUTBACK; |
|
|
3222 | call_sv ((SV *)cv_coro_state_new, G_SCALAR); |
|
|
3223 | SPAGAIN; |
|
|
3224 | |
|
|
3225 | hv = (HV *)SvREFCNT_inc_NN (SvRV (POPs)); |
3503 | hv = (HV *)SvREFCNT_inc_NN (SvRV (sv)); |
|
|
3504 | SvREFCNT_dec (sv); |
3226 | } |
3505 | } |
3227 | |
3506 | |
3228 | { |
3507 | { |
3229 | struct coro *coro = SvSTATE_hv (hv); |
3508 | struct coro *coro = SvSTATE_hv (hv); |
3230 | |
3509 | |
… | |
… | |
3254 | rouse_wait (...) |
3533 | rouse_wait (...) |
3255 | PROTOTYPE: ;$ |
3534 | PROTOTYPE: ;$ |
3256 | PPCODE: |
3535 | PPCODE: |
3257 | CORO_EXECUTE_SLF_XS (slf_init_rouse_wait); |
3536 | CORO_EXECUTE_SLF_XS (slf_init_rouse_wait); |
3258 | |
3537 | |
|
|
3538 | void |
|
|
3539 | on_enter (SV *block) |
|
|
3540 | ALIAS: |
|
|
3541 | on_leave = 1 |
|
|
3542 | PROTOTYPE: & |
|
|
3543 | CODE: |
|
|
3544 | { |
|
|
3545 | struct coro *coro = SvSTATE_current; |
|
|
3546 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
|
|
3547 | |
|
|
3548 | block = s_get_cv_croak (block); |
|
|
3549 | |
|
|
3550 | if (!*avp) |
|
|
3551 | *avp = newAV (); |
|
|
3552 | |
|
|
3553 | av_push (*avp, SvREFCNT_inc (block)); |
|
|
3554 | |
|
|
3555 | if (!ix) |
|
|
3556 | on_enterleave_call (aTHX_ block); |
|
|
3557 | |
|
|
3558 | LEAVE; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */ |
|
|
3559 | SAVEDESTRUCTOR_X (ix ? coro_pop_on_leave : coro_pop_on_enter, (void *)coro); |
|
|
3560 | ENTER; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */ |
|
|
3561 | } |
|
|
3562 | |
3259 | |
3563 | |
3260 | MODULE = Coro::State PACKAGE = PerlIO::cede |
3564 | MODULE = Coro::State PACKAGE = PerlIO::cede |
3261 | |
3565 | |
3262 | BOOT: |
3566 | BOOT: |
3263 | PerlIO_define_layer (aTHX_ &PerlIO_cede); |
3567 | PerlIO_define_layer (aTHX_ &PerlIO_cede); |
… | |
… | |
3266 | MODULE = Coro::State PACKAGE = Coro::Semaphore |
3570 | MODULE = Coro::State PACKAGE = Coro::Semaphore |
3267 | |
3571 | |
3268 | SV * |
3572 | SV * |
3269 | new (SV *klass, SV *count = 0) |
3573 | new (SV *klass, SV *count = 0) |
3270 | CODE: |
3574 | CODE: |
|
|
3575 | { |
|
|
3576 | int semcnt = 1; |
|
|
3577 | |
|
|
3578 | if (count) |
|
|
3579 | { |
|
|
3580 | SvGETMAGIC (count); |
|
|
3581 | |
|
|
3582 | if (SvOK (count)) |
|
|
3583 | semcnt = SvIV (count); |
|
|
3584 | } |
|
|
3585 | |
3271 | RETVAL = sv_bless ( |
3586 | RETVAL = sv_bless ( |
3272 | coro_waitarray_new (aTHX_ count && SvOK (count) ? SvIV (count) : 1), |
3587 | coro_waitarray_new (aTHX_ semcnt), |
3273 | GvSTASH (CvGV (cv)) |
3588 | GvSTASH (CvGV (cv)) |
3274 | ); |
3589 | ); |
|
|
3590 | } |
3275 | OUTPUT: |
3591 | OUTPUT: |
3276 | RETVAL |
3592 | RETVAL |
3277 | |
3593 | |
3278 | # helper for Coro::Channel |
3594 | # helper for Coro::Channel and others |
3279 | SV * |
3595 | SV * |
3280 | _alloc (int count) |
3596 | _alloc (int count) |
3281 | CODE: |
3597 | CODE: |
3282 | RETVAL = coro_waitarray_new (aTHX_ count); |
3598 | RETVAL = coro_waitarray_new (aTHX_ count); |
3283 | OUTPUT: |
3599 | OUTPUT: |
… | |
… | |
3341 | for (i = 1; i <= wcount; ++i) |
3657 | for (i = 1; i <= wcount; ++i) |
3342 | PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i]))); |
3658 | PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i]))); |
3343 | } |
3659 | } |
3344 | } |
3660 | } |
3345 | |
3661 | |
|
|
3662 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
|
|
3663 | |
|
|
3664 | void |
|
|
3665 | _may_delete (SV *sem, int count, int extra_refs) |
|
|
3666 | PPCODE: |
|
|
3667 | { |
|
|
3668 | AV *av = (AV *)SvRV (sem); |
|
|
3669 | |
|
|
3670 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
|
|
3671 | && AvFILLp (av) == 0 /* no waiters, just count */ |
|
|
3672 | && SvIV (AvARRAY (av)[0]) == count) |
|
|
3673 | XSRETURN_YES; |
|
|
3674 | |
|
|
3675 | XSRETURN_NO; |
|
|
3676 | } |
|
|
3677 | |
3346 | MODULE = Coro::State PACKAGE = Coro::Signal |
3678 | MODULE = Coro::State PACKAGE = Coro::Signal |
3347 | |
3679 | |
3348 | SV * |
3680 | SV * |
3349 | new (SV *klass) |
3681 | new (SV *klass) |
3350 | CODE: |
3682 | CODE: |
… | |
… | |
3421 | |
3753 | |
3422 | void |
3754 | void |
3423 | _register (char *target, char *proto, SV *req) |
3755 | _register (char *target, char *proto, SV *req) |
3424 | CODE: |
3756 | CODE: |
3425 | { |
3757 | { |
3426 | CV *req_cv = coro_sv_2cv (aTHX_ req); |
3758 | SV *req_cv = s_get_cv_croak (req); |
3427 | /* newXSproto doesn't return the CV on 5.8 */ |
3759 | /* newXSproto doesn't return the CV on 5.8 */ |
3428 | CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__); |
3760 | CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__); |
3429 | sv_setpv ((SV *)slf_cv, proto); |
3761 | sv_setpv ((SV *)slf_cv, proto); |
3430 | sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0); |
3762 | sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0); |
3431 | } |
3763 | } |
3432 | |
3764 | |
|
|
3765 | MODULE = Coro::State PACKAGE = Coro::Select |
|
|
3766 | |
|
|
3767 | void |
|
|
3768 | patch_pp_sselect () |
|
|
3769 | CODE: |
|
|
3770 | if (!coro_old_pp_sselect) |
|
|
3771 | { |
|
|
3772 | coro_select_select = (SV *)get_cv ("Coro::Select::select", 0); |
|
|
3773 | coro_old_pp_sselect = PL_ppaddr [OP_SSELECT]; |
|
|
3774 | PL_ppaddr [OP_SSELECT] = coro_pp_sselect; |
|
|
3775 | } |
|
|
3776 | |
|
|
3777 | void |
|
|
3778 | unpatch_pp_sselect () |
|
|
3779 | CODE: |
|
|
3780 | if (coro_old_pp_sselect) |
|
|
3781 | { |
|
|
3782 | PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; |
|
|
3783 | coro_old_pp_sselect = 0; |
|
|
3784 | } |
|
|
3785 | |
|
|
3786 | |