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1 | /* this works around a bug in mingw32 providing a non-working setjmp */ |
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2 | #define USE_NO_MINGW_SETJMP_TWO_ARGS |
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3 | |
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4 | #define NDEBUG 1 |
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5 | |
1 | #include "libcoro/coro.c" |
6 | #include "libcoro/coro.c" |
2 | |
7 | |
3 | #define PERL_NO_GET_CONTEXT |
8 | #define PERL_NO_GET_CONTEXT |
4 | #define PERL_EXT |
9 | #define PERL_EXT |
5 | |
10 | |
6 | #include "EXTERN.h" |
11 | #include "EXTERN.h" |
7 | #include "perl.h" |
12 | #include "perl.h" |
8 | #include "XSUB.h" |
13 | #include "XSUB.h" |
9 | #include "perliol.h" |
14 | #include "perliol.h" |
10 | |
15 | |
11 | #include "patchlevel.h" |
16 | #include "schmorp.h" |
12 | |
17 | |
13 | #include <stdio.h> |
18 | #include <stdio.h> |
14 | #include <errno.h> |
19 | #include <errno.h> |
15 | #include <assert.h> |
20 | #include <assert.h> |
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21 | |
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22 | #ifndef SVs_PADSTALE |
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23 | # define SVs_PADSTALE 0 |
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24 | #endif |
16 | |
25 | |
17 | #ifdef WIN32 |
26 | #ifdef WIN32 |
18 | # undef setjmp |
27 | # undef setjmp |
19 | # undef longjmp |
28 | # undef longjmp |
20 | # undef _exit |
29 | # undef _exit |
… | |
… | |
51 | #endif |
60 | #endif |
52 | |
61 | |
53 | /* the maximum number of idle cctx that will be pooled */ |
62 | /* the maximum number of idle cctx that will be pooled */ |
54 | static int cctx_max_idle = 4; |
63 | static int cctx_max_idle = 4; |
55 | |
64 | |
56 | #define PERL_VERSION_ATLEAST(a,b,c) \ |
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57 | (PERL_REVISION > (a) \ |
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58 | || (PERL_REVISION == (a) \ |
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59 | && (PERL_VERSION > (b) \ |
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60 | || (PERL_VERSION == (b) && PERL_SUBVERSION >= (c))))) |
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61 | |
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62 | #if !PERL_VERSION_ATLEAST (5,6,0) |
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63 | # ifndef PL_ppaddr |
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64 | # define PL_ppaddr ppaddr |
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65 | # endif |
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66 | # ifndef call_sv |
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67 | # define call_sv perl_call_sv |
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68 | # endif |
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69 | # ifndef get_sv |
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70 | # define get_sv perl_get_sv |
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71 | # endif |
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72 | # ifndef get_cv |
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73 | # define get_cv perl_get_cv |
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74 | # endif |
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75 | # ifndef IS_PADGV |
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76 | # define IS_PADGV(v) 0 |
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77 | # endif |
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78 | # ifndef IS_PADCONST |
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79 | # define IS_PADCONST(v) 0 |
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80 | # endif |
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81 | #endif |
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82 | |
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83 | /* 5.11 */ |
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84 | #ifndef CxHASARGS |
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85 | # define CxHASARGS(cx) (cx)->blk_sub.hasargs |
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86 | #endif |
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87 | |
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88 | /* 5.10.0 */ |
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89 | #ifndef SvREFCNT_inc_NN |
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90 | # define SvREFCNT_inc_NN(sv) SvREFCNT_inc (sv) |
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91 | #endif |
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92 | |
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93 | /* 5.8.8 */ |
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94 | #ifndef GV_NOTQUAL |
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95 | # define GV_NOTQUAL 0 |
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96 | #endif |
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97 | #ifndef newSV |
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98 | # define newSV(l) NEWSV(0,l) |
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99 | #endif |
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100 | #ifndef CvISXSUB_on |
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101 | # define CvISXSUB_on(cv) (void)cv |
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102 | #endif |
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103 | #ifndef CvISXSUB |
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104 | # define CvISXSUB(cv) (CvXSUB (cv) ? TRUE : FALSE) |
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105 | #endif |
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106 | |
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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 |
65 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
113 | # undef CORO_STACKGUARD |
66 | # undef CORO_STACKGUARD |
114 | #endif |
67 | #endif |
115 | |
68 | |
116 | #ifndef CORO_STACKGUARD |
69 | #ifndef CORO_STACKGUARD |
… | |
… | |
130 | #else |
83 | #else |
131 | # define dSTACKLEVEL volatile void *stacklevel |
84 | # define dSTACKLEVEL volatile void *stacklevel |
132 | # define STACKLEVEL ((void *)&stacklevel) |
85 | # define STACKLEVEL ((void *)&stacklevel) |
133 | #endif |
86 | #endif |
134 | |
87 | |
135 | #define IN_DESTRUCT (PL_main_cv == Nullcv) |
88 | #define IN_DESTRUCT PL_dirty |
136 | |
89 | |
137 | #if __GNUC__ >= 3 |
90 | #if __GNUC__ >= 3 |
138 | # define attribute(x) __attribute__(x) |
91 | # define attribute(x) __attribute__(x) |
139 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
92 | # define expect(expr,value) __builtin_expect ((expr), (value)) |
140 | # define INLINE static inline |
93 | # define INLINE static inline |
141 | #else |
94 | #else |
142 | # define attribute(x) |
95 | # define attribute(x) |
143 | # define expect(expr,value) (expr) |
96 | # define expect(expr,value) (expr) |
144 | # define INLINE static |
97 | # define INLINE static |
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156 | # if CORO_PTHREAD |
109 | # if CORO_PTHREAD |
157 | static void *coro_thx; |
110 | static void *coro_thx; |
158 | # endif |
111 | # endif |
159 | #endif |
112 | #endif |
160 | |
113 | |
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114 | #ifdef __linux |
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115 | # include <time.h> /* for timespec */ |
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116 | # include <syscall.h> /* for SYS_* */ |
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117 | # ifdef SYS_clock_gettime |
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118 | # define coro_clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
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119 | # define CORO_CLOCK_MONOTONIC 1 |
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120 | # define CORO_CLOCK_THREAD_CPUTIME_ID 3 |
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121 | # endif |
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122 | #endif |
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123 | |
161 | static double (*nvtime)(); /* so why doesn't it take void? */ |
124 | static double (*nvtime)(); /* so why doesn't it take void? */ |
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125 | static void (*u2time)(pTHX_ UV ret[2]); |
162 | |
126 | |
163 | /* we hijack an hopefully unused CV flag for our purposes */ |
127 | /* we hijack an hopefully unused CV flag for our purposes */ |
164 | #define CVf_SLF 0x4000 |
128 | #define CVf_SLF 0x4000 |
165 | static OP *pp_slf (pTHX); |
129 | static OP *pp_slf (pTHX); |
166 | |
130 | |
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170 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
134 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
171 | static JMPENV *main_top_env; |
135 | static JMPENV *main_top_env; |
172 | static HV *coro_state_stash, *coro_stash; |
136 | static HV *coro_state_stash, *coro_stash; |
173 | static volatile SV *coro_mortal; /* will be freed/thrown after next transfer */ |
137 | static volatile SV *coro_mortal; /* will be freed/thrown after next transfer */ |
174 | |
138 | |
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139 | static AV *av_destroy; /* destruction queue */ |
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140 | static SV *sv_manager; /* the manager coro */ |
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141 | static SV *sv_idle; /* $Coro::idle */ |
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142 | |
175 | static GV *irsgv; /* $/ */ |
143 | static GV *irsgv; /* $/ */ |
176 | static GV *stdoutgv; /* *STDOUT */ |
144 | static GV *stdoutgv; /* *STDOUT */ |
177 | static SV *rv_diehook; |
145 | static SV *rv_diehook; |
178 | static SV *rv_warnhook; |
146 | static SV *rv_warnhook; |
179 | static HV *hv_sig; /* %SIG */ |
147 | static HV *hv_sig; /* %SIG */ |
180 | |
148 | |
181 | /* async_pool helper stuff */ |
149 | /* async_pool helper stuff */ |
182 | static SV *sv_pool_rss; |
150 | static SV *sv_pool_rss; |
183 | static SV *sv_pool_size; |
151 | static SV *sv_pool_size; |
184 | static SV *sv_async_pool_idle; |
152 | static SV *sv_async_pool_idle; /* description string */ |
185 | static AV *av_async_pool; |
153 | static AV *av_async_pool; /* idle pool */ |
186 | static SV *sv_Coro; |
154 | static SV *sv_Coro; /* class string */ |
187 | static CV *cv_pool_handler; |
155 | static CV *cv_pool_handler; |
188 | static CV *cv_coro_new; |
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189 | |
156 | |
190 | /* Coro::AnyEvent */ |
157 | /* Coro::AnyEvent */ |
191 | static SV *sv_activity; |
158 | static SV *sv_activity; |
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159 | |
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160 | /* enable processtime/realtime profiling */ |
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161 | static char enable_times; |
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162 | typedef U32 coro_ts[2]; |
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163 | static coro_ts time_real, time_cpu; |
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164 | static char times_valid; |
192 | |
165 | |
193 | static struct coro_cctx *cctx_first; |
166 | static struct coro_cctx *cctx_first; |
194 | static int cctx_count, cctx_idle; |
167 | static int cctx_count, cctx_idle; |
195 | |
168 | |
196 | enum { |
169 | enum { |
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222 | int valgrind_id; |
195 | int valgrind_id; |
223 | #endif |
196 | #endif |
224 | unsigned char flags; |
197 | unsigned char flags; |
225 | } coro_cctx; |
198 | } coro_cctx; |
226 | |
199 | |
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200 | coro_cctx *cctx_current; /* the currently running cctx */ |
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201 | |
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202 | /*****************************************************************************/ |
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203 | |
227 | enum { |
204 | enum { |
228 | CF_RUNNING = 0x0001, /* coroutine is running */ |
205 | CF_RUNNING = 0x0001, /* coroutine is running */ |
229 | CF_READY = 0x0002, /* coroutine is ready */ |
206 | CF_READY = 0x0002, /* coroutine is ready */ |
230 | CF_NEW = 0x0004, /* has never been switched to */ |
207 | CF_NEW = 0x0004, /* has never been switched to */ |
231 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
208 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
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209 | CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */ |
232 | }; |
210 | }; |
233 | |
211 | |
234 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
212 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
235 | typedef struct |
213 | typedef struct |
236 | { |
214 | { |
237 | SV *defsv; |
215 | SV *defsv; |
238 | AV *defav; |
216 | AV *defav; |
239 | SV *errsv; |
217 | SV *errsv; |
240 | SV *irsgv; |
218 | SV *irsgv; |
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219 | HV *hinthv; |
241 | #define VAR(name,type) type name; |
220 | #define VAR(name,type) type name; |
242 | # include "state.h" |
221 | # include "state.h" |
243 | #undef VAR |
222 | #undef VAR |
244 | } perl_slots; |
223 | } perl_slots; |
245 | |
224 | |
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247 | |
226 | |
248 | /* this is a structure representing a perl-level coroutine */ |
227 | /* this is a structure representing a perl-level coroutine */ |
249 | struct coro { |
228 | struct coro { |
250 | /* the C coroutine allocated to this perl coroutine, if any */ |
229 | /* the C coroutine allocated to this perl coroutine, if any */ |
251 | coro_cctx *cctx; |
230 | coro_cctx *cctx; |
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231 | |
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232 | /* ready queue */ |
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233 | struct coro *next_ready; |
252 | |
234 | |
253 | /* state data */ |
235 | /* state data */ |
254 | struct CoroSLF slf_frame; /* saved slf frame */ |
236 | struct CoroSLF slf_frame; /* saved slf frame */ |
255 | AV *mainstack; |
237 | AV *mainstack; |
256 | perl_slots *slot; /* basically the saved sp */ |
238 | perl_slots *slot; /* basically the saved sp */ |
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273 | /* async_pool */ |
255 | /* async_pool */ |
274 | SV *saved_deffh; |
256 | SV *saved_deffh; |
275 | SV *invoke_cb; |
257 | SV *invoke_cb; |
276 | AV *invoke_av; |
258 | AV *invoke_av; |
277 | |
259 | |
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260 | /* on_enter/on_leave */ |
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261 | AV *on_enter; |
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262 | AV *on_leave; |
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263 | |
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264 | /* swap_sv */ |
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265 | AV *swap_sv; |
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266 | |
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267 | /* times */ |
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268 | coro_ts t_cpu, t_real; |
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269 | |
278 | /* linked list */ |
270 | /* linked list */ |
279 | struct coro *next, *prev; |
271 | struct coro *next, *prev; |
280 | }; |
272 | }; |
281 | |
273 | |
282 | typedef struct coro *Coro__State; |
274 | typedef struct coro *Coro__State; |
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287 | /* the mainr easonw e don't support windows process emulation */ |
279 | /* the mainr easonw e don't support windows process emulation */ |
288 | static struct CoroSLF slf_frame; /* the current slf frame */ |
280 | static struct CoroSLF slf_frame; /* the current slf frame */ |
289 | |
281 | |
290 | /** Coro ********************************************************************/ |
282 | /** Coro ********************************************************************/ |
291 | |
283 | |
292 | #define PRIO_MAX 3 |
284 | #define CORO_PRIO_MAX 3 |
293 | #define PRIO_HIGH 1 |
285 | #define CORO_PRIO_HIGH 1 |
294 | #define PRIO_NORMAL 0 |
286 | #define CORO_PRIO_NORMAL 0 |
295 | #define PRIO_LOW -1 |
287 | #define CORO_PRIO_LOW -1 |
296 | #define PRIO_IDLE -3 |
288 | #define CORO_PRIO_IDLE -3 |
297 | #define PRIO_MIN -4 |
289 | #define CORO_PRIO_MIN -4 |
298 | |
290 | |
299 | /* for Coro.pm */ |
291 | /* for Coro.pm */ |
300 | static SV *coro_current; |
292 | static SV *coro_current; |
301 | static SV *coro_readyhook; |
293 | static SV *coro_readyhook; |
302 | static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1]; |
294 | static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ |
303 | static CV *cv_coro_run, *cv_coro_terminate; |
295 | static CV *cv_coro_run, *cv_coro_terminate; |
304 | static struct coro *coro_first; |
296 | static struct coro *coro_first; |
305 | #define coro_nready coroapi.nready |
297 | #define coro_nready coroapi.nready |
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298 | |
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299 | /** Coro::Select ************************************************************/ |
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300 | |
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301 | static OP *(*coro_old_pp_sselect) (pTHX); |
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302 | static SV *coro_select_select; |
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303 | |
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304 | /* horrible hack, but if it works... */ |
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305 | static OP * |
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306 | coro_pp_sselect (pTHX) |
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307 | { |
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308 | dSP; |
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309 | PUSHMARK (SP - 4); /* fake argument list */ |
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310 | XPUSHs (coro_select_select); |
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311 | PUTBACK; |
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312 | |
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313 | /* entersub is an UNOP, select a LISTOP... keep your fingers crossed */ |
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314 | PL_op->op_flags |= OPf_STACKED; |
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315 | PL_op->op_private = 0; |
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316 | return PL_ppaddr [OP_ENTERSUB](aTHX); |
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317 | } |
306 | |
318 | |
307 | /** lowlevel stuff **********************************************************/ |
319 | /** lowlevel stuff **********************************************************/ |
308 | |
320 | |
309 | static SV * |
321 | static SV * |
310 | coro_get_sv (pTHX_ const char *name, int create) |
322 | coro_get_sv (pTHX_ const char *name, int create) |
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334 | get_hv (name, create); |
346 | get_hv (name, create); |
335 | #endif |
347 | #endif |
336 | return get_hv (name, create); |
348 | return get_hv (name, create); |
337 | } |
349 | } |
338 | |
350 | |
339 | /* may croak */ |
351 | INLINE void |
340 | INLINE CV * |
352 | coro_times_update () |
341 | coro_sv_2cv (pTHX_ SV *sv) |
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342 | { |
353 | { |
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354 | #ifdef coro_clock_gettime |
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355 | struct timespec ts; |
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356 | |
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357 | ts.tv_sec = ts.tv_nsec = 0; |
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358 | coro_clock_gettime (CORO_CLOCK_THREAD_CPUTIME_ID, &ts); |
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359 | time_cpu [0] = ts.tv_sec; time_cpu [1] = ts.tv_nsec; |
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360 | |
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361 | ts.tv_sec = ts.tv_nsec = 0; |
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362 | coro_clock_gettime (CORO_CLOCK_MONOTONIC, &ts); |
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363 | time_real [0] = ts.tv_sec; time_real [1] = ts.tv_nsec; |
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364 | #else |
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365 | dTHX; |
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366 | UV tv[2]; |
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367 | |
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368 | u2time (aTHX_ tv); |
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369 | time_real [0] = tv [0]; |
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370 | time_real [1] = tv [1] * 1000; |
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371 | #endif |
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372 | } |
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373 | |
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374 | INLINE void |
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375 | coro_times_add (struct coro *c) |
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376 | { |
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377 | c->t_real [1] += time_real [1]; |
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378 | if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } |
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379 | c->t_real [0] += time_real [0]; |
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380 | |
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381 | c->t_cpu [1] += time_cpu [1]; |
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382 | if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } |
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383 | c->t_cpu [0] += time_cpu [0]; |
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384 | } |
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385 | |
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386 | INLINE void |
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387 | coro_times_sub (struct coro *c) |
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388 | { |
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389 | if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } |
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390 | c->t_real [1] -= time_real [1]; |
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391 | c->t_real [0] -= time_real [0]; |
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392 | |
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393 | if (c->t_cpu [1] < time_cpu [1]) { c->t_cpu [1] += 1000000000; --c->t_cpu [0]; } |
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394 | c->t_cpu [1] -= time_cpu [1]; |
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395 | c->t_cpu [0] -= time_cpu [0]; |
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396 | } |
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397 | |
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398 | /*****************************************************************************/ |
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399 | /* magic glue */ |
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400 | |
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401 | #define CORO_MAGIC_type_cv 26 |
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402 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
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403 | |
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404 | #define CORO_MAGIC_NN(sv, type) \ |
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405 | (expect_true (SvMAGIC (sv)->mg_type == type) \ |
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406 | ? SvMAGIC (sv) \ |
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407 | : mg_find (sv, type)) |
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408 | |
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409 | #define CORO_MAGIC(sv, type) \ |
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410 | (expect_true (SvMAGIC (sv)) \ |
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411 | ? CORO_MAGIC_NN (sv, type) \ |
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412 | : 0) |
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413 | |
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414 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
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415 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
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416 | |
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417 | INLINE struct coro * |
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418 | SvSTATE_ (pTHX_ SV *coro) |
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419 | { |
343 | HV *st; |
420 | HV *stash; |
344 | GV *gvp; |
421 | MAGIC *mg; |
345 | return sv_2cv (sv, &st, &gvp, 0); |
422 | |
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423 | if (SvROK (coro)) |
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424 | coro = SvRV (coro); |
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425 | |
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426 | if (expect_false (SvTYPE (coro) != SVt_PVHV)) |
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427 | croak ("Coro::State object required"); |
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428 | |
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429 | stash = SvSTASH (coro); |
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430 | if (expect_false (stash != coro_stash && stash != coro_state_stash)) |
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431 | { |
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432 | /* very slow, but rare, check */ |
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433 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
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434 | croak ("Coro::State object required"); |
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435 | } |
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436 | |
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437 | mg = CORO_MAGIC_state (coro); |
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438 | return (struct coro *)mg->mg_ptr; |
346 | } |
439 | } |
|
|
440 | |
|
|
441 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
|
|
442 | |
|
|
443 | /* faster than SvSTATE, but expects a coroutine hv */ |
|
|
444 | #define SvSTATE_hv(hv) ((struct coro *)CORO_MAGIC_NN ((SV *)hv, CORO_MAGIC_type_state)->mg_ptr) |
|
|
445 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
|
|
446 | |
|
|
447 | /*****************************************************************************/ |
|
|
448 | /* padlist management and caching */ |
347 | |
449 | |
348 | static AV * |
450 | static AV * |
349 | coro_clone_padlist (pTHX_ CV *cv) |
451 | coro_derive_padlist (pTHX_ CV *cv) |
350 | { |
452 | { |
351 | AV *padlist = CvPADLIST (cv); |
453 | AV *padlist = CvPADLIST (cv); |
352 | AV *newpadlist, *newpad; |
454 | AV *newpadlist, *newpad; |
353 | |
455 | |
354 | newpadlist = newAV (); |
456 | newpadlist = newAV (); |
… | |
… | |
359 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
461 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
360 | #endif |
462 | #endif |
361 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
463 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
362 | --AvFILLp (padlist); |
464 | --AvFILLp (padlist); |
363 | |
465 | |
364 | av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE))); |
466 | av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0])); |
365 | av_store (newpadlist, 1, (SV *)newpad); |
467 | av_store (newpadlist, 1, (SV *)newpad); |
366 | |
468 | |
367 | return newpadlist; |
469 | return newpadlist; |
368 | } |
470 | } |
369 | |
471 | |
370 | static void |
472 | static void |
371 | free_padlist (pTHX_ AV *padlist) |
473 | free_padlist (pTHX_ AV *padlist) |
372 | { |
474 | { |
373 | /* may be during global destruction */ |
475 | /* may be during global destruction */ |
374 | if (SvREFCNT (padlist)) |
476 | if (!IN_DESTRUCT) |
375 | { |
477 | { |
376 | I32 i = AvFILLp (padlist); |
478 | I32 i = AvFILLp (padlist); |
377 | while (i >= 0) |
479 | |
|
|
480 | while (i > 0) /* special-case index 0 */ |
378 | { |
481 | { |
379 | SV **svp = av_fetch (padlist, i--, FALSE); |
482 | /* we try to be extra-careful here */ |
380 | if (svp) |
483 | AV *av = (AV *)AvARRAY (padlist)[i--]; |
381 | { |
484 | I32 j = AvFILLp (av); |
382 | SV *sv; |
485 | |
383 | while (&PL_sv_undef != (sv = av_pop ((AV *)*svp))) |
486 | while (j >= 0) |
|
|
487 | SvREFCNT_dec (AvARRAY (av)[j--]); |
|
|
488 | |
|
|
489 | AvFILLp (av) = -1; |
384 | SvREFCNT_dec (sv); |
490 | SvREFCNT_dec (av); |
385 | |
|
|
386 | SvREFCNT_dec (*svp); |
|
|
387 | } |
|
|
388 | } |
491 | } |
389 | |
492 | |
|
|
493 | SvREFCNT_dec (AvARRAY (padlist)[0]); |
|
|
494 | |
|
|
495 | AvFILLp (padlist) = -1; |
390 | SvREFCNT_dec ((SV*)padlist); |
496 | SvREFCNT_dec ((SV*)padlist); |
391 | } |
497 | } |
392 | } |
498 | } |
393 | |
499 | |
394 | static int |
500 | static int |
395 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
501 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
396 | { |
502 | { |
397 | AV *padlist; |
503 | AV *padlist; |
398 | AV *av = (AV *)mg->mg_obj; |
504 | AV *av = (AV *)mg->mg_obj; |
|
|
505 | |
|
|
506 | /* perl manages to free our internal AV and _then_ call us */ |
|
|
507 | if (IN_DESTRUCT) |
|
|
508 | return 0; |
399 | |
509 | |
400 | /* casting is fun. */ |
510 | /* casting is fun. */ |
401 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
511 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
402 | free_padlist (aTHX_ padlist); |
512 | free_padlist (aTHX_ padlist); |
403 | |
513 | |
404 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
514 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
405 | |
515 | |
406 | return 0; |
516 | return 0; |
407 | } |
517 | } |
408 | |
|
|
409 | #define CORO_MAGIC_type_cv 26 |
|
|
410 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
|
|
411 | |
518 | |
412 | static MGVTBL coro_cv_vtbl = { |
519 | static MGVTBL coro_cv_vtbl = { |
413 | 0, 0, 0, 0, |
520 | 0, 0, 0, 0, |
414 | coro_cv_free |
521 | coro_cv_free |
415 | }; |
522 | }; |
416 | |
|
|
417 | #define CORO_MAGIC_NN(sv, type) \ |
|
|
418 | (expect_true (SvMAGIC (sv)->mg_type == type) \ |
|
|
419 | ? SvMAGIC (sv) \ |
|
|
420 | : mg_find (sv, type)) |
|
|
421 | |
|
|
422 | #define CORO_MAGIC(sv, type) \ |
|
|
423 | (expect_true (SvMAGIC (sv)) \ |
|
|
424 | ? CORO_MAGIC_NN (sv, type) \ |
|
|
425 | : 0) |
|
|
426 | |
|
|
427 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
|
|
428 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
|
|
429 | |
|
|
430 | INLINE struct coro * |
|
|
431 | SvSTATE_ (pTHX_ SV *coro) |
|
|
432 | { |
|
|
433 | HV *stash; |
|
|
434 | MAGIC *mg; |
|
|
435 | |
|
|
436 | if (SvROK (coro)) |
|
|
437 | coro = SvRV (coro); |
|
|
438 | |
|
|
439 | if (expect_false (SvTYPE (coro) != SVt_PVHV)) |
|
|
440 | croak ("Coro::State object required"); |
|
|
441 | |
|
|
442 | stash = SvSTASH (coro); |
|
|
443 | if (expect_false (stash != coro_stash && stash != coro_state_stash)) |
|
|
444 | { |
|
|
445 | /* very slow, but rare, check */ |
|
|
446 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
|
|
447 | croak ("Coro::State object required"); |
|
|
448 | } |
|
|
449 | |
|
|
450 | mg = CORO_MAGIC_state (coro); |
|
|
451 | return (struct coro *)mg->mg_ptr; |
|
|
452 | } |
|
|
453 | |
|
|
454 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
|
|
455 | |
|
|
456 | /* faster than SvSTATE, but expects a coroutine hv */ |
|
|
457 | #define SvSTATE_hv(hv) ((struct coro *)CORO_MAGIC_NN ((SV *)hv, CORO_MAGIC_type_state)->mg_ptr) |
|
|
458 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
|
|
459 | |
523 | |
460 | /* the next two functions merely cache the padlists */ |
524 | /* the next two functions merely cache the padlists */ |
461 | static void |
525 | static void |
462 | get_padlist (pTHX_ CV *cv) |
526 | get_padlist (pTHX_ CV *cv) |
463 | { |
527 | { |
… | |
… | |
474 | CV *cp = Perl_cv_clone (aTHX_ cv); |
538 | CV *cp = Perl_cv_clone (aTHX_ cv); |
475 | CvPADLIST (cv) = CvPADLIST (cp); |
539 | CvPADLIST (cv) = CvPADLIST (cp); |
476 | CvPADLIST (cp) = 0; |
540 | CvPADLIST (cp) = 0; |
477 | SvREFCNT_dec (cp); |
541 | SvREFCNT_dec (cp); |
478 | #else |
542 | #else |
479 | CvPADLIST (cv) = coro_clone_padlist (aTHX_ cv); |
543 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
480 | #endif |
544 | #endif |
481 | } |
545 | } |
482 | } |
546 | } |
483 | |
547 | |
484 | static void |
548 | static void |
… | |
… | |
491 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
555 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
492 | |
556 | |
493 | av = (AV *)mg->mg_obj; |
557 | av = (AV *)mg->mg_obj; |
494 | |
558 | |
495 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
559 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
496 | av_extend (av, AvMAX (av) + 1); |
560 | av_extend (av, AvFILLp (av) + 1); |
497 | |
561 | |
498 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
562 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
499 | } |
563 | } |
500 | |
564 | |
501 | /** load & save, init *******************************************************/ |
565 | /** load & save, init *******************************************************/ |
|
|
566 | |
|
|
567 | /* swap sv heads, at least logically */ |
|
|
568 | static void |
|
|
569 | swap_svs (pTHX_ Coro__State c) |
|
|
570 | { |
|
|
571 | int i; |
|
|
572 | |
|
|
573 | for (i = 0; i <= AvFILLp (c->swap_sv); ) |
|
|
574 | { |
|
|
575 | SV *a = AvARRAY (c->swap_sv)[i++]; |
|
|
576 | SV *b = AvARRAY (c->swap_sv)[i++]; |
|
|
577 | |
|
|
578 | const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */ |
|
|
579 | SV tmp; |
|
|
580 | |
|
|
581 | /* swap sv_any */ |
|
|
582 | SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp); |
|
|
583 | |
|
|
584 | /* swap sv_flags */ |
|
|
585 | SvFLAGS (&tmp) = SvFLAGS (a); |
|
|
586 | SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep); |
|
|
587 | SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep); |
|
|
588 | |
|
|
589 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
590 | /* perl 5.10 complicates this _quite_ a bit, but it also is |
|
|
591 | * is much faster, so no quarrels here. alternatively, we could |
|
|
592 | * sv_upgrade to avoid this. |
|
|
593 | */ |
|
|
594 | { |
|
|
595 | /* swap sv_u */ |
|
|
596 | tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u; |
|
|
597 | |
|
|
598 | /* if SvANY points to the head, we need to adjust the pointers, |
|
|
599 | * as the pointer for a still points to b, and maybe vice versa. |
|
|
600 | */ |
|
|
601 | #define svany_in_head(type) \ |
|
|
602 | (((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type))) |
|
|
603 | |
|
|
604 | if (svany_in_head (SvTYPE (a))) |
|
|
605 | SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a); |
|
|
606 | |
|
|
607 | if (svany_in_head (SvTYPE (b))) |
|
|
608 | SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b); |
|
|
609 | } |
|
|
610 | #endif |
|
|
611 | } |
|
|
612 | } |
|
|
613 | |
|
|
614 | #define SWAP_SVS(coro) \ |
|
|
615 | if (expect_false ((coro)->swap_sv)) \ |
|
|
616 | swap_svs (aTHX_ (coro)) |
|
|
617 | |
|
|
618 | static void |
|
|
619 | on_enterleave_call (pTHX_ SV *cb); |
502 | |
620 | |
503 | static void |
621 | static void |
504 | load_perl (pTHX_ Coro__State c) |
622 | load_perl (pTHX_ Coro__State c) |
505 | { |
623 | { |
506 | perl_slots *slot = c->slot; |
624 | perl_slots *slot = c->slot; |
507 | c->slot = 0; |
625 | c->slot = 0; |
508 | |
626 | |
509 | PL_mainstack = c->mainstack; |
627 | PL_mainstack = c->mainstack; |
510 | |
628 | |
511 | GvSV (PL_defgv) = slot->defsv; |
629 | GvSV (PL_defgv) = slot->defsv; |
512 | GvAV (PL_defgv) = slot->defav; |
630 | GvAV (PL_defgv) = slot->defav; |
513 | GvSV (PL_errgv) = slot->errsv; |
631 | GvSV (PL_errgv) = slot->errsv; |
514 | GvSV (irsgv) = slot->irsgv; |
632 | GvSV (irsgv) = slot->irsgv; |
|
|
633 | GvHV (PL_hintgv) = slot->hinthv; |
515 | |
634 | |
516 | #define VAR(name,type) PL_ ## name = slot->name; |
635 | #define VAR(name,type) PL_ ## name = slot->name; |
517 | # include "state.h" |
636 | # include "state.h" |
518 | #undef VAR |
637 | #undef VAR |
519 | |
638 | |
… | |
… | |
533 | PUTBACK; |
652 | PUTBACK; |
534 | } |
653 | } |
535 | |
654 | |
536 | slf_frame = c->slf_frame; |
655 | slf_frame = c->slf_frame; |
537 | CORO_THROW = c->except; |
656 | CORO_THROW = c->except; |
|
|
657 | |
|
|
658 | if (expect_false (enable_times)) |
|
|
659 | { |
|
|
660 | if (expect_false (!times_valid)) |
|
|
661 | coro_times_update (); |
|
|
662 | |
|
|
663 | coro_times_sub (c); |
|
|
664 | } |
|
|
665 | |
|
|
666 | if (expect_false (c->on_enter)) |
|
|
667 | { |
|
|
668 | int i; |
|
|
669 | |
|
|
670 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
|
|
671 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
|
|
672 | } |
|
|
673 | |
|
|
674 | SWAP_SVS (c); |
538 | } |
675 | } |
539 | |
676 | |
540 | static void |
677 | static void |
541 | save_perl (pTHX_ Coro__State c) |
678 | save_perl (pTHX_ Coro__State c) |
542 | { |
679 | { |
|
|
680 | SWAP_SVS (c); |
|
|
681 | |
|
|
682 | if (expect_false (c->on_leave)) |
|
|
683 | { |
|
|
684 | int i; |
|
|
685 | |
|
|
686 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
|
|
687 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
|
|
688 | } |
|
|
689 | |
|
|
690 | times_valid = 0; |
|
|
691 | |
|
|
692 | if (expect_false (enable_times)) |
|
|
693 | { |
|
|
694 | coro_times_update (); times_valid = 1; |
|
|
695 | coro_times_add (c); |
|
|
696 | } |
|
|
697 | |
543 | c->except = CORO_THROW; |
698 | c->except = CORO_THROW; |
544 | c->slf_frame = slf_frame; |
699 | c->slf_frame = slf_frame; |
545 | |
700 | |
546 | { |
701 | { |
547 | dSP; |
702 | dSP; |
… | |
… | |
560 | { |
715 | { |
561 | while (expect_true (cxix >= 0)) |
716 | while (expect_true (cxix >= 0)) |
562 | { |
717 | { |
563 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
718 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
564 | |
719 | |
565 | if (expect_true (CxTYPE (cx) == CXt_SUB || CxTYPE (cx) == CXt_FORMAT)) |
720 | if (expect_true (CxTYPE (cx) == CXt_SUB) || expect_false (CxTYPE (cx) == CXt_FORMAT)) |
566 | { |
721 | { |
567 | CV *cv = cx->blk_sub.cv; |
722 | CV *cv = cx->blk_sub.cv; |
568 | |
723 | |
569 | if (expect_true (CvDEPTH (cv))) |
724 | if (expect_true (CvDEPTH (cv))) |
570 | { |
725 | { |
… | |
… | |
594 | /* we manually unroll here, as usually 2 slots is enough */ |
749 | /* we manually unroll here, as usually 2 slots is enough */ |
595 | if (SLOT_COUNT >= 1) CXINC; |
750 | if (SLOT_COUNT >= 1) CXINC; |
596 | if (SLOT_COUNT >= 2) CXINC; |
751 | if (SLOT_COUNT >= 2) CXINC; |
597 | if (SLOT_COUNT >= 3) CXINC; |
752 | if (SLOT_COUNT >= 3) CXINC; |
598 | { |
753 | { |
599 | int i; |
754 | unsigned int i; |
600 | for (i = 3; i < SLOT_COUNT; ++i) |
755 | for (i = 3; i < SLOT_COUNT; ++i) |
601 | CXINC; |
756 | CXINC; |
602 | } |
757 | } |
603 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
758 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
604 | |
759 | |
605 | c->mainstack = PL_mainstack; |
760 | c->mainstack = PL_mainstack; |
606 | |
761 | |
607 | { |
762 | { |
608 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
763 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
609 | |
764 | |
610 | slot->defav = GvAV (PL_defgv); |
765 | slot->defav = GvAV (PL_defgv); |
611 | slot->defsv = DEFSV; |
766 | slot->defsv = DEFSV; |
612 | slot->errsv = ERRSV; |
767 | slot->errsv = ERRSV; |
613 | slot->irsgv = GvSV (irsgv); |
768 | slot->irsgv = GvSV (irsgv); |
|
|
769 | slot->hinthv = GvHV (PL_hintgv); |
614 | |
770 | |
615 | #define VAR(name,type) slot->name = PL_ ## name; |
771 | #define VAR(name,type) slot->name = PL_ ## name; |
616 | # include "state.h" |
772 | # include "state.h" |
617 | #undef VAR |
773 | #undef VAR |
618 | } |
774 | } |
… | |
… | |
745 | #endif |
901 | #endif |
746 | |
902 | |
747 | /* |
903 | /* |
748 | * This overrides the default magic get method of %SIG elements. |
904 | * This overrides the default magic get method of %SIG elements. |
749 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
905 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
750 | * and instead of tryign to save and restore the hash elements, we just provide |
906 | * and instead of trying to save and restore the hash elements, we just provide |
751 | * readback here. |
907 | * readback here. |
752 | * We only do this when the hook is != 0, as they are often set to 0 temporarily, |
|
|
753 | * not expecting this to actually change the hook. This is a potential problem |
|
|
754 | * when a schedule happens then, but we ignore this. |
|
|
755 | */ |
908 | */ |
756 | static int |
909 | static int |
757 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
910 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
758 | { |
911 | { |
759 | const char *s = MgPV_nolen_const (mg); |
912 | const char *s = MgPV_nolen_const (mg); |
… | |
… | |
812 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
965 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
813 | |
966 | |
814 | if (svp) |
967 | if (svp) |
815 | { |
968 | { |
816 | SV *old = *svp; |
969 | SV *old = *svp; |
817 | *svp = newSVsv (sv); |
970 | *svp = SvOK (sv) ? newSVsv (sv) : 0; |
818 | SvREFCNT_dec (old); |
971 | SvREFCNT_dec (old); |
819 | return 0; |
972 | return 0; |
820 | } |
973 | } |
821 | } |
974 | } |
822 | |
975 | |
… | |
… | |
834 | slf_check_nop (pTHX_ struct CoroSLF *frame) |
987 | slf_check_nop (pTHX_ struct CoroSLF *frame) |
835 | { |
988 | { |
836 | return 0; |
989 | return 0; |
837 | } |
990 | } |
838 | |
991 | |
839 | static UNOP coro_setup_op; |
992 | static int |
|
|
993 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
|
|
994 | { |
|
|
995 | return 1; |
|
|
996 | } |
|
|
997 | |
|
|
998 | static UNOP init_perl_op; |
840 | |
999 | |
841 | static void NOINLINE /* noinline to keep it out of the transfer fast path */ |
1000 | static void NOINLINE /* noinline to keep it out of the transfer fast path */ |
842 | coro_setup (pTHX_ struct coro *coro) |
1001 | init_perl (pTHX_ struct coro *coro) |
843 | { |
1002 | { |
844 | /* |
1003 | /* |
845 | * emulate part of the perl startup here. |
1004 | * emulate part of the perl startup here. |
846 | */ |
1005 | */ |
847 | coro_init_stacks (aTHX); |
1006 | coro_init_stacks (aTHX); |
848 | |
1007 | |
849 | PL_runops = RUNOPS_DEFAULT; |
1008 | PL_runops = RUNOPS_DEFAULT; |
850 | PL_curcop = &PL_compiling; |
1009 | PL_curcop = &PL_compiling; |
851 | PL_in_eval = EVAL_NULL; |
1010 | PL_in_eval = EVAL_NULL; |
852 | PL_comppad = 0; |
1011 | PL_comppad = 0; |
|
|
1012 | PL_comppad_name = 0; |
|
|
1013 | PL_comppad_name_fill = 0; |
|
|
1014 | PL_comppad_name_floor = 0; |
853 | PL_curpm = 0; |
1015 | PL_curpm = 0; |
854 | PL_curpad = 0; |
1016 | PL_curpad = 0; |
855 | PL_localizing = 0; |
1017 | PL_localizing = 0; |
856 | PL_dirty = 0; |
1018 | PL_dirty = 0; |
857 | PL_restartop = 0; |
1019 | PL_restartop = 0; |
858 | #if PERL_VERSION_ATLEAST (5,10,0) |
1020 | #if PERL_VERSION_ATLEAST (5,10,0) |
859 | PL_parser = 0; |
1021 | PL_parser = 0; |
860 | #endif |
1022 | #endif |
|
|
1023 | PL_hints = 0; |
861 | |
1024 | |
862 | /* recreate the die/warn hooks */ |
1025 | /* recreate the die/warn hooks */ |
863 | PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); |
1026 | PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); |
864 | PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook); |
1027 | PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook); |
865 | |
1028 | |
866 | GvSV (PL_defgv) = newSV (0); |
1029 | GvSV (PL_defgv) = newSV (0); |
867 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1030 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
868 | GvSV (PL_errgv) = newSV (0); |
1031 | GvSV (PL_errgv) = newSV (0); |
869 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
1032 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
|
|
1033 | GvHV (PL_hintgv) = 0; |
870 | PL_rs = newSVsv (GvSV (irsgv)); |
1034 | PL_rs = newSVsv (GvSV (irsgv)); |
871 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
1035 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
872 | |
1036 | |
873 | { |
1037 | { |
874 | dSP; |
1038 | dSP; |
… | |
… | |
891 | */ |
1055 | */ |
892 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
1056 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
893 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
1057 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
894 | |
1058 | |
895 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
1059 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
896 | coro_setup_op.op_next = PL_op; |
1060 | init_perl_op.op_next = PL_op; |
897 | coro_setup_op.op_type = OP_CUSTOM; |
1061 | init_perl_op.op_type = OP_ENTERSUB; |
898 | coro_setup_op.op_ppaddr = pp_slf; |
1062 | init_perl_op.op_ppaddr = pp_slf; |
899 | /* no flags etc. required, as an init function won't be called */ |
1063 | /* no flags etc. required, as an init function won't be called */ |
900 | |
1064 | |
901 | PL_op = (OP *)&coro_setup_op; |
1065 | PL_op = (OP *)&init_perl_op; |
902 | |
1066 | |
903 | /* copy throw, in case it was set before coro_setup */ |
1067 | /* copy throw, in case it was set before init_perl */ |
904 | CORO_THROW = coro->except; |
1068 | CORO_THROW = coro->except; |
905 | } |
|
|
906 | |
1069 | |
|
|
1070 | SWAP_SVS (coro); |
|
|
1071 | |
|
|
1072 | if (expect_false (enable_times)) |
|
|
1073 | { |
|
|
1074 | coro_times_update (); |
|
|
1075 | coro_times_sub (coro); |
|
|
1076 | } |
|
|
1077 | } |
|
|
1078 | |
907 | static void |
1079 | static void |
908 | coro_destruct (pTHX_ struct coro *coro) |
1080 | coro_unwind_stacks (pTHX) |
909 | { |
1081 | { |
910 | if (!IN_DESTRUCT) |
1082 | if (!IN_DESTRUCT) |
911 | { |
1083 | { |
912 | /* restore all saved variables and stuff */ |
1084 | /* restore all saved variables and stuff */ |
913 | LEAVE_SCOPE (0); |
1085 | LEAVE_SCOPE (0); |
… | |
… | |
921 | POPSTACK_TO (PL_mainstack); |
1093 | POPSTACK_TO (PL_mainstack); |
922 | |
1094 | |
923 | /* unwind main stack */ |
1095 | /* unwind main stack */ |
924 | dounwind (-1); |
1096 | dounwind (-1); |
925 | } |
1097 | } |
|
|
1098 | } |
926 | |
1099 | |
927 | SvREFCNT_dec (GvSV (PL_defgv)); |
1100 | static void |
928 | SvREFCNT_dec (GvAV (PL_defgv)); |
1101 | destroy_perl (pTHX_ struct coro *coro) |
929 | SvREFCNT_dec (GvSV (PL_errgv)); |
1102 | { |
930 | SvREFCNT_dec (PL_defoutgv); |
1103 | SV *svf [9]; |
931 | SvREFCNT_dec (PL_rs); |
|
|
932 | SvREFCNT_dec (GvSV (irsgv)); |
|
|
933 | |
1104 | |
934 | SvREFCNT_dec (PL_diehook); |
|
|
935 | SvREFCNT_dec (PL_warnhook); |
|
|
936 | |
1105 | { |
|
|
1106 | struct coro *current = SvSTATE_current; |
|
|
1107 | |
|
|
1108 | assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack)); |
|
|
1109 | |
|
|
1110 | save_perl (aTHX_ current); |
|
|
1111 | load_perl (aTHX_ coro); |
|
|
1112 | |
|
|
1113 | coro_unwind_stacks (aTHX); |
|
|
1114 | coro_destruct_stacks (aTHX); |
|
|
1115 | |
|
|
1116 | /* restore swapped sv's */ |
|
|
1117 | SWAP_SVS (coro); |
|
|
1118 | |
|
|
1119 | // now save some sv's to be free'd later |
|
|
1120 | svf [0] = GvSV (PL_defgv); |
|
|
1121 | svf [1] = (SV *)GvAV (PL_defgv); |
|
|
1122 | svf [2] = GvSV (PL_errgv); |
|
|
1123 | svf [3] = (SV *)PL_defoutgv; |
|
|
1124 | svf [4] = PL_rs; |
|
|
1125 | svf [5] = GvSV (irsgv); |
|
|
1126 | svf [6] = (SV *)GvHV (PL_hintgv); |
|
|
1127 | svf [7] = PL_diehook; |
|
|
1128 | svf [8] = PL_warnhook; |
|
|
1129 | assert (9 == sizeof (svf) / sizeof (*svf)); |
|
|
1130 | |
|
|
1131 | load_perl (aTHX_ current); |
|
|
1132 | } |
|
|
1133 | |
|
|
1134 | { |
|
|
1135 | unsigned int i; |
|
|
1136 | |
|
|
1137 | for (i = 0; i < sizeof (svf) / sizeof (*svf); ++i) |
|
|
1138 | SvREFCNT_dec (svf [i]); |
|
|
1139 | |
937 | SvREFCNT_dec (coro->saved_deffh); |
1140 | SvREFCNT_dec (coro->saved_deffh); |
938 | SvREFCNT_dec (coro->rouse_cb); |
1141 | SvREFCNT_dec (coro->rouse_cb); |
939 | SvREFCNT_dec (coro->invoke_cb); |
1142 | SvREFCNT_dec (coro->invoke_cb); |
940 | SvREFCNT_dec (coro->invoke_av); |
1143 | SvREFCNT_dec (coro->invoke_av); |
941 | |
1144 | } |
942 | coro_destruct_stacks (aTHX); |
|
|
943 | } |
1145 | } |
944 | |
1146 | |
945 | INLINE void |
1147 | INLINE void |
946 | free_coro_mortal (pTHX) |
1148 | free_coro_mortal (pTHX) |
947 | { |
1149 | { |
… | |
… | |
955 | static int |
1157 | static int |
956 | runops_trace (pTHX) |
1158 | runops_trace (pTHX) |
957 | { |
1159 | { |
958 | COP *oldcop = 0; |
1160 | COP *oldcop = 0; |
959 | int oldcxix = -2; |
1161 | int oldcxix = -2; |
960 | struct coro *coro = SvSTATE_current; /* trace cctx is tied to specific coro */ |
|
|
961 | coro_cctx *cctx = coro->cctx; |
|
|
962 | |
1162 | |
963 | while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX))) |
1163 | while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX))) |
964 | { |
1164 | { |
965 | PERL_ASYNC_CHECK (); |
1165 | PERL_ASYNC_CHECK (); |
966 | |
1166 | |
967 | if (cctx->flags & CC_TRACE_ALL) |
1167 | if (cctx_current->flags & CC_TRACE_ALL) |
968 | { |
1168 | { |
969 | if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB) |
1169 | if (PL_op->op_type == OP_LEAVESUB && cctx_current->flags & CC_TRACE_SUB) |
970 | { |
1170 | { |
971 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1171 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
972 | SV **bot, **top; |
1172 | SV **bot, **top; |
973 | AV *av = newAV (); /* return values */ |
1173 | AV *av = newAV (); /* return values */ |
974 | SV **cb; |
1174 | SV **cb; |
… | |
… | |
1011 | |
1211 | |
1012 | if (PL_curcop != &PL_compiling) |
1212 | if (PL_curcop != &PL_compiling) |
1013 | { |
1213 | { |
1014 | SV **cb; |
1214 | SV **cb; |
1015 | |
1215 | |
1016 | if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB) |
1216 | if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB) |
1017 | { |
1217 | { |
1018 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1218 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1019 | |
1219 | |
1020 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
1220 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
1021 | { |
1221 | { |
1022 | runops_proc_t old_runops = PL_runops; |
|
|
1023 | dSP; |
1222 | dSP; |
1024 | GV *gv = CvGV (cx->blk_sub.cv); |
1223 | GV *gv = CvGV (cx->blk_sub.cv); |
1025 | SV *fullname = sv_2mortal (newSV (0)); |
1224 | SV *fullname = sv_2mortal (newSV (0)); |
1026 | |
1225 | |
1027 | if (isGV (gv)) |
1226 | if (isGV (gv)) |
… | |
… | |
1045 | } |
1244 | } |
1046 | |
1245 | |
1047 | oldcxix = cxstack_ix; |
1246 | oldcxix = cxstack_ix; |
1048 | } |
1247 | } |
1049 | |
1248 | |
1050 | if (cctx->flags & CC_TRACE_LINE) |
1249 | if (cctx_current->flags & CC_TRACE_LINE) |
1051 | { |
1250 | { |
1052 | dSP; |
1251 | dSP; |
1053 | |
1252 | |
1054 | PL_runops = RUNOPS_DEFAULT; |
1253 | PL_runops = RUNOPS_DEFAULT; |
1055 | ENTER; |
1254 | ENTER; |
… | |
… | |
1074 | |
1273 | |
1075 | TAINT_NOT; |
1274 | TAINT_NOT; |
1076 | return 0; |
1275 | return 0; |
1077 | } |
1276 | } |
1078 | |
1277 | |
1079 | static struct coro_cctx *cctx_ssl_cctx; |
|
|
1080 | static struct CoroSLF cctx_ssl_frame; |
1278 | static struct CoroSLF cctx_ssl_frame; |
1081 | |
1279 | |
1082 | static void |
1280 | static void |
1083 | slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta) |
1281 | slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta) |
1084 | { |
1282 | { |
1085 | ta->prev = (struct coro *)cctx_ssl_cctx; |
|
|
1086 | ta->next = 0; |
1283 | ta->prev = 0; |
1087 | } |
1284 | } |
1088 | |
1285 | |
1089 | static int |
1286 | static int |
1090 | slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame) |
1287 | slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame) |
1091 | { |
1288 | { |
… | |
… | |
1094 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1291 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1095 | } |
1292 | } |
1096 | |
1293 | |
1097 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1294 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1098 | static void NOINLINE |
1295 | static void NOINLINE |
1099 | cctx_prepare (pTHX_ coro_cctx *cctx) |
1296 | cctx_prepare (pTHX) |
1100 | { |
1297 | { |
1101 | PL_top_env = &PL_start_env; |
1298 | PL_top_env = &PL_start_env; |
1102 | |
1299 | |
1103 | if (cctx->flags & CC_TRACE) |
1300 | if (cctx_current->flags & CC_TRACE) |
1104 | PL_runops = runops_trace; |
1301 | PL_runops = runops_trace; |
1105 | |
1302 | |
1106 | /* we already must be executing an SLF op, there is no other valid way |
1303 | /* we already must be executing an SLF op, there is no other valid way |
1107 | * that can lead to creation of a new cctx */ |
1304 | * that can lead to creation of a new cctx */ |
1108 | assert (("FATAL: can't prepare slf-less cctx in Coro module (please report)", |
1305 | assert (("FATAL: can't prepare slf-less cctx in Coro module (please report)", |
1109 | slf_frame.prepare && PL_op->op_ppaddr == pp_slf)); |
1306 | slf_frame.prepare && PL_op->op_ppaddr == pp_slf)); |
1110 | |
1307 | |
1111 | /* we must emulate leaving pp_slf, which is done inside slf_check_set_stacklevel */ |
1308 | /* we must emulate leaving pp_slf, which is done inside slf_check_set_stacklevel */ |
1112 | cctx_ssl_cctx = cctx; |
|
|
1113 | cctx_ssl_frame = slf_frame; |
1309 | cctx_ssl_frame = slf_frame; |
1114 | |
1310 | |
1115 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1311 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1116 | slf_frame.check = slf_check_set_stacklevel; |
1312 | slf_frame.check = slf_check_set_stacklevel; |
1117 | } |
1313 | } |
… | |
… | |
1140 | /* normally we would need to skip the entersub here */ |
1336 | /* normally we would need to skip the entersub here */ |
1141 | /* not doing so will re-execute it, which is exactly what we want */ |
1337 | /* not doing so will re-execute it, which is exactly what we want */ |
1142 | /* PL_nop = PL_nop->op_next */ |
1338 | /* PL_nop = PL_nop->op_next */ |
1143 | |
1339 | |
1144 | /* inject a fake subroutine call to cctx_init */ |
1340 | /* inject a fake subroutine call to cctx_init */ |
1145 | cctx_prepare (aTHX_ (coro_cctx *)arg); |
1341 | cctx_prepare (aTHX); |
1146 | |
1342 | |
1147 | /* cctx_run is the alternative tail of transfer() */ |
1343 | /* cctx_run is the alternative tail of transfer() */ |
1148 | transfer_tail (aTHX); |
1344 | transfer_tail (aTHX); |
1149 | |
1345 | |
1150 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1346 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1151 | PL_restartop = PL_op; |
1347 | PL_restartop = PL_op; |
1152 | perl_run (PL_curinterp); |
1348 | perl_run (PL_curinterp); |
1153 | /* |
1349 | /* |
1154 | * Unfortunately, there is no way to get at the return values of the |
1350 | * Unfortunately, there is no way to get at the return values of the |
1155 | * coro body here, as perl_run destroys these |
1351 | * coro body here, as perl_run destroys these. Likewise, we cannot catch |
|
|
1352 | * runtime errors here, as this is just a random interpreter, not a thread. |
1156 | */ |
1353 | */ |
1157 | |
1354 | |
1158 | /* |
1355 | /* |
1159 | * If perl-run returns we assume exit() was being called or the coro |
1356 | * If perl-run returns we assume exit() was being called or the coro |
1160 | * fell off the end, which seems to be the only valid (non-bug) |
1357 | * fell off the end, which seems to be the only valid (non-bug) |
1161 | * reason for perl_run to return. We try to exit by jumping to the |
1358 | * reason for perl_run to return. We try to exit by jumping to the |
1162 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
1359 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
1163 | * coroutine as Coro has no such concept |
1360 | * coroutine as Coro has no such concept. |
|
|
1361 | * This actually isn't valid with the pthread backend, but OSes requiring |
|
|
1362 | * that backend are too broken to do it in a standards-compliant way. |
1164 | */ |
1363 | */ |
1165 | PL_top_env = main_top_env; |
1364 | PL_top_env = main_top_env; |
1166 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
1365 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
1167 | } |
1366 | } |
1168 | } |
1367 | } |
… | |
… | |
1245 | cctx_destroy (coro_cctx *cctx) |
1444 | cctx_destroy (coro_cctx *cctx) |
1246 | { |
1445 | { |
1247 | if (!cctx) |
1446 | if (!cctx) |
1248 | return; |
1447 | return; |
1249 | |
1448 | |
|
|
1449 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));//D temporary? |
|
|
1450 | |
1250 | --cctx_count; |
1451 | --cctx_count; |
1251 | coro_destroy (&cctx->cctx); |
1452 | coro_destroy (&cctx->cctx); |
1252 | |
1453 | |
1253 | /* coro_transfer creates new, empty cctx's */ |
1454 | /* coro_transfer creates new, empty cctx's */ |
1254 | if (cctx->sptr) |
1455 | if (cctx->sptr) |
… | |
… | |
1317 | /* TODO: throwing up here is considered harmful */ |
1518 | /* TODO: throwing up here is considered harmful */ |
1318 | |
1519 | |
1319 | if (expect_true (prev != next)) |
1520 | if (expect_true (prev != next)) |
1320 | { |
1521 | { |
1321 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1522 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1322 | croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states,"); |
1523 | croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); |
1323 | |
1524 | |
1324 | if (expect_false (next->flags & CF_RUNNING)) |
|
|
1325 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states,"); |
|
|
1326 | |
|
|
1327 | if (expect_false (next->flags & CF_DESTROYED)) |
1525 | if (expect_false (next->flags & (CF_RUNNING | CF_DESTROYED | CF_SUSPENDED))) |
1328 | croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states,"); |
1526 | croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); |
1329 | |
1527 | |
1330 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1528 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1331 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1529 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1332 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1530 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1333 | #endif |
1531 | #endif |
… | |
… | |
1339 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1537 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1340 | { |
1538 | { |
1341 | dSTACKLEVEL; |
1539 | dSTACKLEVEL; |
1342 | |
1540 | |
1343 | /* sometimes transfer is only called to set idle_sp */ |
1541 | /* sometimes transfer is only called to set idle_sp */ |
1344 | if (expect_false (!next)) |
1542 | if (expect_false (!prev)) |
1345 | { |
1543 | { |
1346 | ((coro_cctx *)prev)->idle_sp = STACKLEVEL; |
1544 | cctx_current->idle_sp = STACKLEVEL; |
1347 | assert (((coro_cctx *)prev)->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1545 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1348 | } |
1546 | } |
1349 | else if (expect_true (prev != next)) |
1547 | else if (expect_true (prev != next)) |
1350 | { |
1548 | { |
1351 | coro_cctx *prev__cctx; |
1549 | coro_cctx *cctx_prev; |
1352 | |
1550 | |
1353 | if (expect_false (prev->flags & CF_NEW)) |
1551 | if (expect_false (prev->flags & CF_NEW)) |
1354 | { |
1552 | { |
1355 | /* create a new empty/source context */ |
1553 | /* create a new empty/source context */ |
1356 | prev->cctx = cctx_new_empty (); |
|
|
1357 | prev->flags &= ~CF_NEW; |
1554 | prev->flags &= ~CF_NEW; |
1358 | prev->flags |= CF_RUNNING; |
1555 | prev->flags |= CF_RUNNING; |
1359 | } |
1556 | } |
1360 | |
1557 | |
1361 | prev->flags &= ~CF_RUNNING; |
1558 | prev->flags &= ~CF_RUNNING; |
… | |
… | |
1367 | if (expect_false (next->flags & CF_NEW)) |
1564 | if (expect_false (next->flags & CF_NEW)) |
1368 | { |
1565 | { |
1369 | /* need to start coroutine */ |
1566 | /* need to start coroutine */ |
1370 | next->flags &= ~CF_NEW; |
1567 | next->flags &= ~CF_NEW; |
1371 | /* setup coroutine call */ |
1568 | /* setup coroutine call */ |
1372 | coro_setup (aTHX_ next); |
1569 | init_perl (aTHX_ next); |
1373 | } |
1570 | } |
1374 | else |
1571 | else |
1375 | load_perl (aTHX_ next); |
1572 | load_perl (aTHX_ next); |
1376 | |
1573 | |
1377 | prev__cctx = prev->cctx; |
|
|
1378 | |
|
|
1379 | /* possibly untie and reuse the cctx */ |
1574 | /* possibly untie and reuse the cctx */ |
1380 | if (expect_true ( |
1575 | if (expect_true ( |
1381 | prev__cctx->idle_sp == STACKLEVEL |
1576 | cctx_current->idle_sp == STACKLEVEL |
1382 | && !(prev__cctx->flags & CC_TRACE) |
1577 | && !(cctx_current->flags & CC_TRACE) |
1383 | && !force_cctx |
1578 | && !force_cctx |
1384 | )) |
1579 | )) |
1385 | { |
1580 | { |
1386 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1581 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1387 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == prev__cctx->idle_te)); |
1582 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1388 | |
1583 | |
1389 | prev->cctx = 0; |
|
|
1390 | |
|
|
1391 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */ |
1584 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1392 | /* without this the next cctx_get might destroy the prev__cctx while still in use */ |
1585 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1393 | if (expect_false (CCTX_EXPIRED (prev__cctx))) |
1586 | if (expect_false (CCTX_EXPIRED (cctx_current))) |
1394 | if (!next->cctx) |
1587 | if (expect_true (!next->cctx)) |
1395 | next->cctx = cctx_get (aTHX); |
1588 | next->cctx = cctx_get (aTHX); |
1396 | |
1589 | |
1397 | cctx_put (prev__cctx); |
1590 | cctx_put (cctx_current); |
1398 | } |
1591 | } |
|
|
1592 | else |
|
|
1593 | prev->cctx = cctx_current; |
1399 | |
1594 | |
1400 | ++next->usecount; |
1595 | ++next->usecount; |
1401 | |
1596 | |
1402 | if (expect_true (!next->cctx)) |
1597 | cctx_prev = cctx_current; |
1403 | next->cctx = cctx_get (aTHX); |
1598 | cctx_current = expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1404 | |
1599 | |
1405 | if (expect_false (prev__cctx != next->cctx)) |
1600 | next->cctx = 0; |
|
|
1601 | |
|
|
1602 | if (expect_false (cctx_prev != cctx_current)) |
1406 | { |
1603 | { |
1407 | prev__cctx->top_env = PL_top_env; |
1604 | cctx_prev->top_env = PL_top_env; |
1408 | PL_top_env = next->cctx->top_env; |
1605 | PL_top_env = cctx_current->top_env; |
1409 | coro_transfer (&prev__cctx->cctx, &next->cctx->cctx); |
1606 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1410 | } |
1607 | } |
1411 | |
1608 | |
1412 | transfer_tail (aTHX); |
1609 | transfer_tail (aTHX); |
1413 | } |
1610 | } |
1414 | } |
1611 | } |
… | |
… | |
1422 | coro_state_destroy (pTHX_ struct coro *coro) |
1619 | coro_state_destroy (pTHX_ struct coro *coro) |
1423 | { |
1620 | { |
1424 | if (coro->flags & CF_DESTROYED) |
1621 | if (coro->flags & CF_DESTROYED) |
1425 | return 0; |
1622 | return 0; |
1426 | |
1623 | |
1427 | if (coro->on_destroy) |
1624 | if (coro->on_destroy && !PL_dirty) |
1428 | coro->on_destroy (aTHX_ coro); |
1625 | coro->on_destroy (aTHX_ coro); |
1429 | |
1626 | |
1430 | coro->flags |= CF_DESTROYED; |
1627 | coro->flags |= CF_DESTROYED; |
1431 | |
1628 | |
1432 | if (coro->flags & CF_READY) |
1629 | if (coro->flags & CF_READY) |
… | |
… | |
1436 | --coro_nready; |
1633 | --coro_nready; |
1437 | } |
1634 | } |
1438 | else |
1635 | else |
1439 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
1636 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
1440 | |
1637 | |
1441 | if (coro->mainstack && coro->mainstack != main_mainstack) |
1638 | if (coro->mainstack |
1442 | { |
1639 | && coro->mainstack != main_mainstack |
1443 | struct coro temp; |
1640 | && coro->slot |
1444 | |
1641 | && !PL_dirty) |
1445 | assert (("FATAL: tried to destroy currently running coroutine (please report)", !(coro->flags & CF_RUNNING))); |
|
|
1446 | |
|
|
1447 | save_perl (aTHX_ &temp); |
|
|
1448 | load_perl (aTHX_ coro); |
1642 | destroy_perl (aTHX_ coro); |
1449 | |
1643 | |
1450 | coro_destruct (aTHX_ coro); |
1644 | if (coro->next) coro->next->prev = coro->prev; |
1451 | |
1645 | if (coro->prev) coro->prev->next = coro->next; |
1452 | load_perl (aTHX_ &temp); |
1646 | if (coro == coro_first) coro_first = coro->next; |
1453 | |
|
|
1454 | coro->slot = 0; |
|
|
1455 | } |
|
|
1456 | |
1647 | |
1457 | cctx_destroy (coro->cctx); |
1648 | cctx_destroy (coro->cctx); |
1458 | SvREFCNT_dec (coro->startcv); |
1649 | SvREFCNT_dec (coro->startcv); |
1459 | SvREFCNT_dec (coro->args); |
1650 | SvREFCNT_dec (coro->args); |
|
|
1651 | SvREFCNT_dec (coro->swap_sv); |
1460 | SvREFCNT_dec (CORO_THROW); |
1652 | SvREFCNT_dec (CORO_THROW); |
1461 | |
|
|
1462 | if (coro->next) coro->next->prev = coro->prev; |
|
|
1463 | if (coro->prev) coro->prev->next = coro->next; |
|
|
1464 | if (coro == coro_first) coro_first = coro->next; |
|
|
1465 | |
1653 | |
1466 | return 1; |
1654 | return 1; |
1467 | } |
1655 | } |
1468 | |
1656 | |
1469 | static int |
1657 | static int |
… | |
… | |
1519 | |
1707 | |
1520 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1708 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1521 | TRANSFER (ta, 1); |
1709 | TRANSFER (ta, 1); |
1522 | } |
1710 | } |
1523 | |
1711 | |
1524 | /*****************************************************************************/ |
|
|
1525 | /* gensub: simple closure generation utility */ |
|
|
1526 | |
|
|
1527 | #define GENSUB_ARG CvXSUBANY (cv).any_ptr |
|
|
1528 | |
|
|
1529 | /* create a closure from XS, returns a code reference */ |
|
|
1530 | /* the arg can be accessed via GENSUB_ARG from the callback */ |
|
|
1531 | /* the callback must use dXSARGS/XSRETURN */ |
|
|
1532 | static SV * |
|
|
1533 | gensub (pTHX_ void (*xsub)(pTHX_ CV *), void *arg) |
|
|
1534 | { |
|
|
1535 | CV *cv = (CV *)newSV (0); |
|
|
1536 | |
|
|
1537 | sv_upgrade ((SV *)cv, SVt_PVCV); |
|
|
1538 | |
|
|
1539 | CvANON_on (cv); |
|
|
1540 | CvISXSUB_on (cv); |
|
|
1541 | CvXSUB (cv) = xsub; |
|
|
1542 | GENSUB_ARG = arg; |
|
|
1543 | |
|
|
1544 | return newRV_noinc ((SV *)cv); |
|
|
1545 | } |
|
|
1546 | |
|
|
1547 | /** Coro ********************************************************************/ |
1712 | /** Coro ********************************************************************/ |
1548 | |
1713 | |
1549 | INLINE void |
1714 | INLINE void |
1550 | coro_enq (pTHX_ struct coro *coro) |
1715 | coro_enq (pTHX_ struct coro *coro) |
1551 | { |
1716 | { |
1552 | av_push (coro_ready [coro->prio - PRIO_MIN], SvREFCNT_inc_NN (coro->hv)); |
1717 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1553 | } |
|
|
1554 | |
1718 | |
1555 | INLINE SV * |
1719 | SvREFCNT_inc_NN (coro->hv); |
|
|
1720 | |
|
|
1721 | coro->next_ready = 0; |
|
|
1722 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
|
|
1723 | ready [1] = coro; |
|
|
1724 | } |
|
|
1725 | |
|
|
1726 | INLINE struct coro * |
1556 | coro_deq (pTHX) |
1727 | coro_deq (pTHX) |
1557 | { |
1728 | { |
1558 | int prio; |
1729 | int prio; |
1559 | |
1730 | |
1560 | for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; ) |
1731 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
1561 | if (AvFILLp (coro_ready [prio]) >= 0) |
1732 | { |
1562 | return av_shift (coro_ready [prio]); |
1733 | struct coro **ready = coro_ready [prio]; |
|
|
1734 | |
|
|
1735 | if (ready [0]) |
|
|
1736 | { |
|
|
1737 | struct coro *coro = ready [0]; |
|
|
1738 | ready [0] = coro->next_ready; |
|
|
1739 | return coro; |
|
|
1740 | } |
|
|
1741 | } |
1563 | |
1742 | |
1564 | return 0; |
1743 | return 0; |
|
|
1744 | } |
|
|
1745 | |
|
|
1746 | static void |
|
|
1747 | invoke_sv_ready_hook_helper (void) |
|
|
1748 | { |
|
|
1749 | dTHX; |
|
|
1750 | dSP; |
|
|
1751 | |
|
|
1752 | ENTER; |
|
|
1753 | SAVETMPS; |
|
|
1754 | |
|
|
1755 | PUSHMARK (SP); |
|
|
1756 | PUTBACK; |
|
|
1757 | call_sv (coro_readyhook, G_VOID | G_DISCARD); |
|
|
1758 | |
|
|
1759 | FREETMPS; |
|
|
1760 | LEAVE; |
1565 | } |
1761 | } |
1566 | |
1762 | |
1567 | static int |
1763 | static int |
1568 | api_ready (pTHX_ SV *coro_sv) |
1764 | api_ready (pTHX_ SV *coro_sv) |
1569 | { |
1765 | { |
1570 | struct coro *coro; |
|
|
1571 | SV *sv_hook; |
|
|
1572 | void (*xs_hook)(void); |
|
|
1573 | |
|
|
1574 | if (SvROK (coro_sv)) |
|
|
1575 | coro_sv = SvRV (coro_sv); |
|
|
1576 | |
|
|
1577 | coro = SvSTATE (coro_sv); |
1766 | struct coro *coro = SvSTATE (coro_sv); |
1578 | |
1767 | |
1579 | if (coro->flags & CF_READY) |
1768 | if (coro->flags & CF_READY) |
1580 | return 0; |
1769 | return 0; |
1581 | |
1770 | |
1582 | coro->flags |= CF_READY; |
1771 | coro->flags |= CF_READY; |
1583 | |
1772 | |
1584 | sv_hook = coro_nready ? 0 : coro_readyhook; |
|
|
1585 | xs_hook = coro_nready ? 0 : coroapi.readyhook; |
|
|
1586 | |
|
|
1587 | coro_enq (aTHX_ coro); |
1773 | coro_enq (aTHX_ coro); |
1588 | ++coro_nready; |
|
|
1589 | |
1774 | |
1590 | if (sv_hook) |
1775 | if (!coro_nready++) |
1591 | { |
1776 | if (coroapi.readyhook) |
1592 | dSP; |
1777 | coroapi.readyhook (); |
1593 | |
|
|
1594 | ENTER; |
|
|
1595 | SAVETMPS; |
|
|
1596 | |
|
|
1597 | PUSHMARK (SP); |
|
|
1598 | PUTBACK; |
|
|
1599 | call_sv (sv_hook, G_VOID | G_DISCARD); |
|
|
1600 | |
|
|
1601 | FREETMPS; |
|
|
1602 | LEAVE; |
|
|
1603 | } |
|
|
1604 | |
|
|
1605 | if (xs_hook) |
|
|
1606 | xs_hook (); |
|
|
1607 | |
1778 | |
1608 | return 1; |
1779 | return 1; |
1609 | } |
1780 | } |
1610 | |
1781 | |
1611 | static int |
1782 | static int |
1612 | api_is_ready (pTHX_ SV *coro_sv) |
1783 | api_is_ready (pTHX_ SV *coro_sv) |
1613 | { |
1784 | { |
1614 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1785 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1615 | } |
1786 | } |
1616 | |
1787 | |
|
|
1788 | /* expects to own a reference to next->hv */ |
1617 | INLINE void |
1789 | INLINE void |
1618 | prepare_schedule (pTHX_ struct coro_transfer_args *ta) |
1790 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1619 | { |
1791 | { |
1620 | SV *prev_sv, *next_sv; |
|
|
1621 | |
|
|
1622 | for (;;) |
|
|
1623 | { |
|
|
1624 | next_sv = coro_deq (aTHX); |
|
|
1625 | |
|
|
1626 | /* nothing to schedule: call the idle handler */ |
|
|
1627 | if (expect_false (!next_sv)) |
|
|
1628 | { |
|
|
1629 | dSP; |
|
|
1630 | |
|
|
1631 | ENTER; |
|
|
1632 | SAVETMPS; |
|
|
1633 | |
|
|
1634 | PUSHMARK (SP); |
|
|
1635 | PUTBACK; |
|
|
1636 | call_sv (get_sv ("Coro::idle", FALSE), G_VOID | G_DISCARD); |
|
|
1637 | |
|
|
1638 | FREETMPS; |
|
|
1639 | LEAVE; |
|
|
1640 | continue; |
|
|
1641 | } |
|
|
1642 | |
|
|
1643 | ta->next = SvSTATE_hv (next_sv); |
|
|
1644 | |
|
|
1645 | /* cannot transfer to destroyed coros, skip and look for next */ |
|
|
1646 | if (expect_false (ta->next->flags & CF_DESTROYED)) |
|
|
1647 | { |
|
|
1648 | SvREFCNT_dec (next_sv); |
|
|
1649 | /* coro_nready has already been taken care of by destroy */ |
|
|
1650 | continue; |
|
|
1651 | } |
|
|
1652 | |
|
|
1653 | --coro_nready; |
|
|
1654 | break; |
|
|
1655 | } |
|
|
1656 | |
|
|
1657 | /* free this only after the transfer */ |
|
|
1658 | prev_sv = SvRV (coro_current); |
1792 | SV *prev_sv = SvRV (coro_current); |
|
|
1793 | |
1659 | ta->prev = SvSTATE_hv (prev_sv); |
1794 | ta->prev = SvSTATE_hv (prev_sv); |
|
|
1795 | ta->next = next; |
|
|
1796 | |
1660 | TRANSFER_CHECK (*ta); |
1797 | TRANSFER_CHECK (*ta); |
1661 | assert (("FATAL: next coroutine isn't marked as ready in Coro (please report)", ta->next->flags & CF_READY)); |
1798 | |
1662 | ta->next->flags &= ~CF_READY; |
|
|
1663 | SvRV_set (coro_current, next_sv); |
1799 | SvRV_set (coro_current, (SV *)next->hv); |
1664 | |
1800 | |
1665 | free_coro_mortal (aTHX); |
1801 | free_coro_mortal (aTHX); |
1666 | coro_mortal = prev_sv; |
1802 | coro_mortal = prev_sv; |
1667 | } |
1803 | } |
1668 | |
1804 | |
|
|
1805 | static void |
|
|
1806 | prepare_schedule (pTHX_ struct coro_transfer_args *ta) |
|
|
1807 | { |
|
|
1808 | for (;;) |
|
|
1809 | { |
|
|
1810 | struct coro *next = coro_deq (aTHX); |
|
|
1811 | |
|
|
1812 | if (expect_true (next)) |
|
|
1813 | { |
|
|
1814 | /* cannot transfer to destroyed coros, skip and look for next */ |
|
|
1815 | if (expect_false (next->flags & (CF_DESTROYED | CF_SUSPENDED))) |
|
|
1816 | SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ |
|
|
1817 | else |
|
|
1818 | { |
|
|
1819 | next->flags &= ~CF_READY; |
|
|
1820 | --coro_nready; |
|
|
1821 | |
|
|
1822 | prepare_schedule_to (aTHX_ ta, next); |
|
|
1823 | break; |
|
|
1824 | } |
|
|
1825 | } |
|
|
1826 | else |
|
|
1827 | { |
|
|
1828 | /* nothing to schedule: call the idle handler */ |
|
|
1829 | if (SvROK (sv_idle) |
|
|
1830 | && SvOBJECT (SvRV (sv_idle))) |
|
|
1831 | { |
|
|
1832 | if (SvRV (sv_idle) == SvRV (coro_current)) |
|
|
1833 | croak ("FATAL: $Coro::IDLE blocked itself - did you try to block inside an event loop callback? Caught"); |
|
|
1834 | |
|
|
1835 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
|
|
1836 | api_ready (aTHX_ SvRV (sv_idle)); |
|
|
1837 | --coro_nready; |
|
|
1838 | } |
|
|
1839 | else |
|
|
1840 | { |
|
|
1841 | /* TODO: deprecated, remove, cannot work reliably *//*D*/ |
|
|
1842 | dSP; |
|
|
1843 | |
|
|
1844 | ENTER; |
|
|
1845 | SAVETMPS; |
|
|
1846 | |
|
|
1847 | PUSHMARK (SP); |
|
|
1848 | PUTBACK; |
|
|
1849 | call_sv (sv_idle, G_VOID | G_DISCARD); |
|
|
1850 | |
|
|
1851 | FREETMPS; |
|
|
1852 | LEAVE; |
|
|
1853 | } |
|
|
1854 | } |
|
|
1855 | } |
|
|
1856 | } |
|
|
1857 | |
1669 | INLINE void |
1858 | INLINE void |
1670 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1859 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1671 | { |
1860 | { |
1672 | api_ready (aTHX_ coro_current); |
1861 | api_ready (aTHX_ coro_current); |
1673 | prepare_schedule (aTHX_ ta); |
1862 | prepare_schedule (aTHX_ ta); |
… | |
… | |
1692 | { |
1881 | { |
1693 | struct coro_transfer_args ta; |
1882 | struct coro_transfer_args ta; |
1694 | |
1883 | |
1695 | prepare_schedule (aTHX_ &ta); |
1884 | prepare_schedule (aTHX_ &ta); |
1696 | TRANSFER (ta, 1); |
1885 | TRANSFER (ta, 1); |
|
|
1886 | } |
|
|
1887 | |
|
|
1888 | static void |
|
|
1889 | api_schedule_to (pTHX_ SV *coro_sv) |
|
|
1890 | { |
|
|
1891 | struct coro_transfer_args ta; |
|
|
1892 | struct coro *next = SvSTATE (coro_sv); |
|
|
1893 | |
|
|
1894 | SvREFCNT_inc_NN (coro_sv); |
|
|
1895 | prepare_schedule_to (aTHX_ &ta, next); |
1697 | } |
1896 | } |
1698 | |
1897 | |
1699 | static int |
1898 | static int |
1700 | api_cede (pTHX) |
1899 | api_cede (pTHX) |
1701 | { |
1900 | { |
… | |
… | |
1730 | static void |
1929 | static void |
1731 | api_trace (pTHX_ SV *coro_sv, int flags) |
1930 | api_trace (pTHX_ SV *coro_sv, int flags) |
1732 | { |
1931 | { |
1733 | struct coro *coro = SvSTATE (coro_sv); |
1932 | struct coro *coro = SvSTATE (coro_sv); |
1734 | |
1933 | |
|
|
1934 | if (coro->flags & CF_RUNNING) |
|
|
1935 | croak ("cannot enable tracing on a running coroutine, caught"); |
|
|
1936 | |
1735 | if (flags & CC_TRACE) |
1937 | if (flags & CC_TRACE) |
1736 | { |
1938 | { |
1737 | if (!coro->cctx) |
1939 | if (!coro->cctx) |
1738 | coro->cctx = cctx_new_run (); |
1940 | coro->cctx = cctx_new_run (); |
1739 | else if (!(coro->cctx->flags & CC_TRACE)) |
1941 | else if (!(coro->cctx->flags & CC_TRACE)) |
1740 | croak ("cannot enable tracing on coroutine with custom stack,"); |
1942 | croak ("cannot enable tracing on coroutine with custom stack, caught"); |
1741 | |
1943 | |
1742 | coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL)); |
1944 | coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL)); |
1743 | } |
1945 | } |
1744 | else if (coro->cctx && coro->cctx->flags & CC_TRACE) |
1946 | else if (coro->cctx && coro->cctx->flags & CC_TRACE) |
1745 | { |
1947 | { |
… | |
… | |
1748 | if (coro->flags & CF_RUNNING) |
1950 | if (coro->flags & CF_RUNNING) |
1749 | PL_runops = RUNOPS_DEFAULT; |
1951 | PL_runops = RUNOPS_DEFAULT; |
1750 | else |
1952 | else |
1751 | coro->slot->runops = RUNOPS_DEFAULT; |
1953 | coro->slot->runops = RUNOPS_DEFAULT; |
1752 | } |
1954 | } |
|
|
1955 | } |
|
|
1956 | |
|
|
1957 | static void |
|
|
1958 | coro_call_on_destroy (pTHX_ struct coro *coro) |
|
|
1959 | { |
|
|
1960 | SV **on_destroyp = hv_fetch (coro->hv, "_on_destroy", sizeof ("_on_destroy") - 1, 0); |
|
|
1961 | SV **statusp = hv_fetch (coro->hv, "_status", sizeof ("_status") - 1, 0); |
|
|
1962 | |
|
|
1963 | if (on_destroyp) |
|
|
1964 | { |
|
|
1965 | AV *on_destroy = (AV *)SvRV (*on_destroyp); |
|
|
1966 | |
|
|
1967 | while (AvFILLp (on_destroy) >= 0) |
|
|
1968 | { |
|
|
1969 | dSP; /* don't disturb outer sp */ |
|
|
1970 | SV *cb = av_pop (on_destroy); |
|
|
1971 | |
|
|
1972 | PUSHMARK (SP); |
|
|
1973 | |
|
|
1974 | if (statusp) |
|
|
1975 | { |
|
|
1976 | int i; |
|
|
1977 | AV *status = (AV *)SvRV (*statusp); |
|
|
1978 | EXTEND (SP, AvFILLp (status) + 1); |
|
|
1979 | |
|
|
1980 | for (i = 0; i <= AvFILLp (status); ++i) |
|
|
1981 | PUSHs (AvARRAY (status)[i]); |
|
|
1982 | } |
|
|
1983 | |
|
|
1984 | PUTBACK; |
|
|
1985 | call_sv (sv_2mortal (cb), G_VOID | G_DISCARD); |
|
|
1986 | } |
|
|
1987 | } |
|
|
1988 | } |
|
|
1989 | |
|
|
1990 | static void |
|
|
1991 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
1992 | { |
|
|
1993 | int i; |
|
|
1994 | HV *hv = (HV *)SvRV (coro_current); |
|
|
1995 | AV *av = newAV (); |
|
|
1996 | |
|
|
1997 | /* items are actually not so common, so optimise for this case */ |
|
|
1998 | if (items) |
|
|
1999 | { |
|
|
2000 | av_extend (av, items - 1); |
|
|
2001 | |
|
|
2002 | for (i = 0; i < items; ++i) |
|
|
2003 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
|
|
2004 | } |
|
|
2005 | |
|
|
2006 | hv_store (hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0); |
|
|
2007 | |
|
|
2008 | av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */ |
|
|
2009 | api_ready (aTHX_ sv_manager); |
|
|
2010 | |
|
|
2011 | frame->prepare = prepare_schedule; |
|
|
2012 | frame->check = slf_check_repeat; |
|
|
2013 | |
|
|
2014 | /* as a minor optimisation, we could unwind all stacks here */ |
|
|
2015 | /* but that puts extra pressure on pp_slf, and is not worth much */ |
|
|
2016 | /*coro_unwind_stacks (aTHX);*/ |
1753 | } |
2017 | } |
1754 | |
2018 | |
1755 | /*****************************************************************************/ |
2019 | /*****************************************************************************/ |
1756 | /* async pool handler */ |
2020 | /* async pool handler */ |
1757 | |
2021 | |
… | |
… | |
1835 | |
2099 | |
1836 | static void |
2100 | static void |
1837 | coro_rouse_callback (pTHX_ CV *cv) |
2101 | coro_rouse_callback (pTHX_ CV *cv) |
1838 | { |
2102 | { |
1839 | dXSARGS; |
2103 | dXSARGS; |
1840 | SV *data = (SV *)GENSUB_ARG; |
2104 | SV *data = (SV *)S_GENSUB_ARG; |
1841 | |
2105 | |
1842 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2106 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
1843 | { |
2107 | { |
1844 | /* first call, set args */ |
2108 | /* first call, set args */ |
|
|
2109 | SV *coro = SvRV (data); |
1845 | AV *av = newAV (); |
2110 | AV *av = newAV (); |
1846 | SV *coro = SvRV (data); |
|
|
1847 | |
2111 | |
1848 | SvRV_set (data, (SV *)av); |
2112 | SvRV_set (data, (SV *)av); |
1849 | api_ready (aTHX_ coro); |
|
|
1850 | SvREFCNT_dec (coro); |
|
|
1851 | |
2113 | |
1852 | /* better take a full copy of the arguments */ |
2114 | /* better take a full copy of the arguments */ |
1853 | while (items--) |
2115 | while (items--) |
1854 | av_store (av, items, newSVsv (ST (items))); |
2116 | av_store (av, items, newSVsv (ST (items))); |
|
|
2117 | |
|
|
2118 | api_ready (aTHX_ coro); |
|
|
2119 | SvREFCNT_dec (coro); |
1855 | } |
2120 | } |
1856 | |
2121 | |
1857 | XSRETURN_EMPTY; |
2122 | XSRETURN_EMPTY; |
1858 | } |
2123 | } |
1859 | |
2124 | |
… | |
… | |
1876 | |
2141 | |
1877 | EXTEND (SP, AvFILLp (av) + 1); |
2142 | EXTEND (SP, AvFILLp (av) + 1); |
1878 | for (i = 0; i <= AvFILLp (av); ++i) |
2143 | for (i = 0; i <= AvFILLp (av); ++i) |
1879 | PUSHs (sv_2mortal (AvARRAY (av)[i])); |
2144 | PUSHs (sv_2mortal (AvARRAY (av)[i])); |
1880 | |
2145 | |
1881 | /* we have stolen the elements, so ste length to zero and free */ |
2146 | /* we have stolen the elements, so set length to zero and free */ |
1882 | AvFILLp (av) = -1; |
2147 | AvFILLp (av) = -1; |
1883 | av_undef (av); |
2148 | av_undef (av); |
1884 | |
2149 | |
1885 | PUTBACK; |
2150 | PUTBACK; |
1886 | } |
2151 | } |
… | |
… | |
1910 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2175 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
1911 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2176 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
1912 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2177 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
1913 | |
2178 | |
1914 | { |
2179 | { |
1915 | CV *cv = (CV *)SvRV (cb); /* for GENSUB_ARG */ |
2180 | CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ |
1916 | SV *data = (SV *)GENSUB_ARG; |
2181 | SV *data = (SV *)S_GENSUB_ARG; |
1917 | |
2182 | |
1918 | frame->data = (void *)data; |
2183 | frame->data = (void *)data; |
1919 | frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule; |
2184 | frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule; |
1920 | frame->check = slf_check_rouse_wait; |
2185 | frame->check = slf_check_rouse_wait; |
1921 | } |
2186 | } |
… | |
… | |
1925 | coro_new_rouse_cb (pTHX) |
2190 | coro_new_rouse_cb (pTHX) |
1926 | { |
2191 | { |
1927 | HV *hv = (HV *)SvRV (coro_current); |
2192 | HV *hv = (HV *)SvRV (coro_current); |
1928 | struct coro *coro = SvSTATE_hv (hv); |
2193 | struct coro *coro = SvSTATE_hv (hv); |
1929 | SV *data = newRV_inc ((SV *)hv); |
2194 | SV *data = newRV_inc ((SV *)hv); |
1930 | SV *cb = gensub (aTHX_ coro_rouse_callback, (void *)data); |
2195 | SV *cb = s_gensub (aTHX_ coro_rouse_callback, (void *)data); |
1931 | |
2196 | |
1932 | sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0); |
2197 | sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0); |
1933 | SvREFCNT_dec (data); /* magicext increases the refcount */ |
2198 | SvREFCNT_dec (data); /* magicext increases the refcount */ |
1934 | |
2199 | |
1935 | SvREFCNT_dec (coro->rouse_cb); |
2200 | SvREFCNT_dec (coro->rouse_cb); |
… | |
… | |
1990 | static void |
2255 | static void |
1991 | slf_init_schedule (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2256 | slf_init_schedule (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
1992 | { |
2257 | { |
1993 | frame->prepare = prepare_schedule; |
2258 | frame->prepare = prepare_schedule; |
1994 | frame->check = slf_check_nop; |
2259 | frame->check = slf_check_nop; |
|
|
2260 | } |
|
|
2261 | |
|
|
2262 | static void |
|
|
2263 | slf_prepare_schedule_to (pTHX_ struct coro_transfer_args *ta) |
|
|
2264 | { |
|
|
2265 | struct coro *next = (struct coro *)slf_frame.data; |
|
|
2266 | |
|
|
2267 | SvREFCNT_inc_NN (next->hv); |
|
|
2268 | prepare_schedule_to (aTHX_ ta, next); |
|
|
2269 | } |
|
|
2270 | |
|
|
2271 | static void |
|
|
2272 | slf_init_schedule_to (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2273 | { |
|
|
2274 | if (!items) |
|
|
2275 | croak ("Coro::schedule_to expects a coroutine argument, caught"); |
|
|
2276 | |
|
|
2277 | frame->data = (void *)SvSTATE (arg [0]); |
|
|
2278 | frame->prepare = slf_prepare_schedule_to; |
|
|
2279 | frame->check = slf_check_nop; |
|
|
2280 | } |
|
|
2281 | |
|
|
2282 | static void |
|
|
2283 | slf_init_cede_to (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2284 | { |
|
|
2285 | api_ready (aTHX_ SvRV (coro_current)); |
|
|
2286 | |
|
|
2287 | slf_init_schedule_to (aTHX_ frame, cv, arg, items); |
1995 | } |
2288 | } |
1996 | |
2289 | |
1997 | static void |
2290 | static void |
1998 | slf_init_cede (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2291 | slf_init_cede (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
1999 | { |
2292 | { |
… | |
… | |
2132 | if (PL_op->op_flags & OPf_STACKED) |
2425 | if (PL_op->op_flags & OPf_STACKED) |
2133 | { |
2426 | { |
2134 | if (items > slf_arga) |
2427 | if (items > slf_arga) |
2135 | { |
2428 | { |
2136 | slf_arga = items; |
2429 | slf_arga = items; |
2137 | free (slf_argv); |
2430 | Safefree (slf_argv); |
2138 | slf_argv = malloc (slf_arga * sizeof (SV *)); |
2431 | New (0, slf_argv, slf_arga, SV *); |
2139 | } |
2432 | } |
2140 | |
2433 | |
2141 | slf_argc = items; |
2434 | slf_argc = items; |
2142 | |
2435 | |
2143 | for (i = 0; i < items; ++i) |
2436 | for (i = 0; i < items; ++i) |
… | |
… | |
2145 | } |
2438 | } |
2146 | else |
2439 | else |
2147 | slf_argc = 0; |
2440 | slf_argc = 0; |
2148 | |
2441 | |
2149 | PL_op->op_ppaddr = pp_slf; |
2442 | PL_op->op_ppaddr = pp_slf; |
2150 | PL_op->op_type = OP_CUSTOM; /* maybe we should leave it at entersub? */ |
2443 | /*PL_op->op_type = OP_CUSTOM; /* we do behave like entersub still */ |
2151 | |
2444 | |
2152 | PL_op = (OP *)&slf_restore; |
2445 | PL_op = (OP *)&slf_restore; |
|
|
2446 | } |
|
|
2447 | |
|
|
2448 | /*****************************************************************************/ |
|
|
2449 | /* dynamic wind */ |
|
|
2450 | |
|
|
2451 | static void |
|
|
2452 | on_enterleave_call (pTHX_ SV *cb) |
|
|
2453 | { |
|
|
2454 | dSP; |
|
|
2455 | |
|
|
2456 | PUSHSTACK; |
|
|
2457 | |
|
|
2458 | PUSHMARK (SP); |
|
|
2459 | PUTBACK; |
|
|
2460 | call_sv (cb, G_VOID | G_DISCARD); |
|
|
2461 | SPAGAIN; |
|
|
2462 | |
|
|
2463 | POPSTACK; |
|
|
2464 | } |
|
|
2465 | |
|
|
2466 | static SV * |
|
|
2467 | coro_avp_pop_and_free (pTHX_ AV **avp) |
|
|
2468 | { |
|
|
2469 | AV *av = *avp; |
|
|
2470 | SV *res = av_pop (av); |
|
|
2471 | |
|
|
2472 | if (AvFILLp (av) < 0) |
|
|
2473 | { |
|
|
2474 | *avp = 0; |
|
|
2475 | SvREFCNT_dec (av); |
|
|
2476 | } |
|
|
2477 | |
|
|
2478 | return res; |
|
|
2479 | } |
|
|
2480 | |
|
|
2481 | static void |
|
|
2482 | coro_pop_on_enter (pTHX_ void *coro) |
|
|
2483 | { |
|
|
2484 | SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_enter); |
|
|
2485 | SvREFCNT_dec (cb); |
|
|
2486 | } |
|
|
2487 | |
|
|
2488 | static void |
|
|
2489 | coro_pop_on_leave (pTHX_ void *coro) |
|
|
2490 | { |
|
|
2491 | SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_leave); |
|
|
2492 | on_enterleave_call (aTHX_ sv_2mortal (cb)); |
2153 | } |
2493 | } |
2154 | |
2494 | |
2155 | /*****************************************************************************/ |
2495 | /*****************************************************************************/ |
2156 | /* PerlIO::cede */ |
2496 | /* PerlIO::cede */ |
2157 | |
2497 | |
… | |
… | |
2231 | /* Coro::Semaphore & Coro::Signal */ |
2571 | /* Coro::Semaphore & Coro::Signal */ |
2232 | |
2572 | |
2233 | static SV * |
2573 | static SV * |
2234 | coro_waitarray_new (pTHX_ int count) |
2574 | coro_waitarray_new (pTHX_ int count) |
2235 | { |
2575 | { |
2236 | /* a semaphore contains a counter IV in $sem->[0] and any waiters after that */ |
2576 | /* a waitarray=semaphore contains a counter IV in $sem->[0] and any waiters after that */ |
2237 | AV *av = newAV (); |
2577 | AV *av = newAV (); |
2238 | SV **ary; |
2578 | SV **ary; |
2239 | |
2579 | |
2240 | /* unfortunately, building manually saves memory */ |
2580 | /* unfortunately, building manually saves memory */ |
2241 | Newx (ary, 2, SV *); |
2581 | Newx (ary, 2, SV *); |
2242 | AvALLOC (av) = ary; |
2582 | AvALLOC (av) = ary; |
|
|
2583 | #if PERL_VERSION_ATLEAST (5,10,0) |
2243 | /*AvARRAY (av) = ary;*/ |
2584 | AvARRAY (av) = ary; |
|
|
2585 | #else |
2244 | SvPVX ((SV *)av) = (char *)ary; /* 5.8.8 needs this syntax instead of AvARRAY = ary */ |
2586 | /* 5.8.8 needs this syntax instead of AvARRAY = ary, yet */ |
|
|
2587 | /* -DDEBUGGING flags this as a bug, despite it perfectly working */ |
|
|
2588 | SvPVX ((SV *)av) = (char *)ary; |
|
|
2589 | #endif |
2245 | AvMAX (av) = 1; |
2590 | AvMAX (av) = 1; |
2246 | AvFILLp (av) = 0; |
2591 | AvFILLp (av) = 0; |
2247 | ary [0] = newSViv (count); |
2592 | ary [0] = newSViv (count); |
2248 | |
2593 | |
2249 | return newRV_noinc ((SV *)av); |
2594 | return newRV_noinc ((SV *)av); |
… | |
… | |
2378 | { |
2723 | { |
2379 | if (items >= 2) |
2724 | if (items >= 2) |
2380 | { |
2725 | { |
2381 | /* callback form */ |
2726 | /* callback form */ |
2382 | AV *av = (AV *)SvRV (arg [0]); |
2727 | AV *av = (AV *)SvRV (arg [0]); |
2383 | CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]); |
2728 | SV *cb_cv = s_get_cv_croak (arg [1]); |
2384 | |
2729 | |
2385 | av_push (av, (SV *)SvREFCNT_inc_NN (cb_cv)); |
2730 | av_push (av, SvREFCNT_inc_NN (cb_cv)); |
2386 | |
2731 | |
2387 | if (SvIVX (AvARRAY (av)[0]) > 0) |
2732 | if (SvIVX (AvARRAY (av)[0]) > 0) |
2388 | coro_semaphore_adjust (aTHX_ av, 0); |
2733 | coro_semaphore_adjust (aTHX_ av, 0); |
2389 | |
2734 | |
2390 | frame->prepare = prepare_nop; |
2735 | frame->prepare = prepare_nop; |
… | |
… | |
2414 | AvARRAY (av)[0] = AvARRAY (av)[1]; |
2759 | AvARRAY (av)[0] = AvARRAY (av)[1]; |
2415 | AvARRAY (av)[1] = cb; |
2760 | AvARRAY (av)[1] = cb; |
2416 | |
2761 | |
2417 | cb = av_shift (av); |
2762 | cb = av_shift (av); |
2418 | |
2763 | |
|
|
2764 | if (SvTYPE (cb) == SVt_PVCV) |
|
|
2765 | { |
|
|
2766 | dSP; |
|
|
2767 | PUSHMARK (SP); |
|
|
2768 | XPUSHs (sv_2mortal (newRV_inc ((SV *)av))); |
|
|
2769 | PUTBACK; |
|
|
2770 | call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR); |
|
|
2771 | } |
|
|
2772 | else |
|
|
2773 | { |
2419 | api_ready (aTHX_ cb); |
2774 | api_ready (aTHX_ cb); |
2420 | sv_setiv (cb, 0); /* signal waiter */ |
2775 | sv_setiv (cb, 0); /* signal waiter */ |
|
|
2776 | } |
|
|
2777 | |
2421 | SvREFCNT_dec (cb); |
2778 | SvREFCNT_dec (cb); |
2422 | |
2779 | |
2423 | --count; |
2780 | --count; |
2424 | } |
2781 | } |
2425 | } |
2782 | } |
… | |
… | |
2434 | static void |
2791 | static void |
2435 | slf_init_signal_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2792 | slf_init_signal_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2436 | { |
2793 | { |
2437 | AV *av = (AV *)SvRV (arg [0]); |
2794 | AV *av = (AV *)SvRV (arg [0]); |
2438 | |
2795 | |
|
|
2796 | if (items >= 2) |
|
|
2797 | { |
|
|
2798 | SV *cb_cv = s_get_cv_croak (arg [1]); |
|
|
2799 | av_push (av, SvREFCNT_inc_NN (cb_cv)); |
|
|
2800 | |
2439 | if (SvIVX (AvARRAY (av)[0])) |
2801 | if (SvIVX (AvARRAY (av)[0])) |
|
|
2802 | coro_signal_wake (aTHX_ av, 1); /* must be the only waiter */ |
|
|
2803 | |
|
|
2804 | frame->prepare = prepare_nop; |
|
|
2805 | frame->check = slf_check_nop; |
|
|
2806 | } |
|
|
2807 | else if (SvIVX (AvARRAY (av)[0])) |
2440 | { |
2808 | { |
2441 | SvIVX (AvARRAY (av)[0]) = 0; |
2809 | SvIVX (AvARRAY (av)[0]) = 0; |
2442 | frame->prepare = prepare_nop; |
2810 | frame->prepare = prepare_nop; |
2443 | frame->check = slf_check_nop; |
2811 | frame->check = slf_check_nop; |
2444 | } |
2812 | } |
2445 | else |
2813 | else |
2446 | { |
2814 | { |
2447 | SV *waiter = newRV_inc (SvRV (coro_current)); /* owned by signal av */ |
2815 | SV *waiter = newSVsv (coro_current); /* owned by signal av */ |
2448 | |
2816 | |
2449 | av_push (av, waiter); |
2817 | av_push (av, waiter); |
2450 | |
2818 | |
2451 | frame->data = (void *)sv_2mortal (SvREFCNT_inc_NN (waiter)); /* owned by process */ |
2819 | frame->data = (void *)sv_2mortal (SvREFCNT_inc_NN (waiter)); /* owned by process */ |
2452 | frame->prepare = prepare_schedule; |
2820 | frame->prepare = prepare_schedule; |
… | |
… | |
2470 | |
2838 | |
2471 | static void |
2839 | static void |
2472 | coro_aio_callback (pTHX_ CV *cv) |
2840 | coro_aio_callback (pTHX_ CV *cv) |
2473 | { |
2841 | { |
2474 | dXSARGS; |
2842 | dXSARGS; |
2475 | AV *state = (AV *)GENSUB_ARG; |
2843 | AV *state = (AV *)S_GENSUB_ARG; |
2476 | SV *coro = av_pop (state); |
2844 | SV *coro = av_pop (state); |
2477 | SV *data_sv = newSV (sizeof (struct io_state)); |
2845 | SV *data_sv = newSV (sizeof (struct io_state)); |
2478 | |
2846 | |
2479 | av_extend (state, items - 1); |
2847 | av_extend (state, items - 1); |
2480 | |
2848 | |
… | |
… | |
2594 | |
2962 | |
2595 | for (i = 0; i < items; ++i) |
2963 | for (i = 0; i < items; ++i) |
2596 | PUSHs (arg [i]); |
2964 | PUSHs (arg [i]); |
2597 | |
2965 | |
2598 | /* now push the callback closure */ |
2966 | /* now push the callback closure */ |
2599 | PUSHs (sv_2mortal (gensub (aTHX_ coro_aio_callback, (void *)SvREFCNT_inc_NN ((SV *)state)))); |
2967 | PUSHs (sv_2mortal (s_gensub (aTHX_ coro_aio_callback, (void *)SvREFCNT_inc_NN ((SV *)state)))); |
2600 | |
2968 | |
2601 | /* now call the AIO function - we assume our request is uncancelable */ |
2969 | /* now call the AIO function - we assume our request is uncancelable */ |
2602 | PUTBACK; |
2970 | PUTBACK; |
2603 | call_sv ((SV *)req, G_VOID | G_DISCARD); |
2971 | call_sv ((SV *)req, G_VOID | G_DISCARD); |
2604 | } |
2972 | } |
2605 | |
2973 | |
2606 | /* now that the requets is going, we loop toll we have a result */ |
2974 | /* now that the request is going, we loop till we have a result */ |
2607 | frame->data = (void *)state; |
2975 | frame->data = (void *)state; |
2608 | frame->prepare = prepare_schedule; |
2976 | frame->prepare = prepare_schedule; |
2609 | frame->check = slf_check_aio_req; |
2977 | frame->check = slf_check_aio_req; |
2610 | } |
2978 | } |
2611 | |
2979 | |
… | |
… | |
2618 | |
2986 | |
2619 | XSRETURN_EMPTY; |
2987 | XSRETURN_EMPTY; |
2620 | } |
2988 | } |
2621 | |
2989 | |
2622 | /*****************************************************************************/ |
2990 | /*****************************************************************************/ |
|
|
2991 | |
|
|
2992 | #if CORO_CLONE |
|
|
2993 | # include "clone.c" |
|
|
2994 | #endif |
|
|
2995 | |
|
|
2996 | /*****************************************************************************/ |
|
|
2997 | |
|
|
2998 | static SV * |
|
|
2999 | coro_new (pTHX_ HV *stash, SV **argv, int argc, int is_coro) |
|
|
3000 | { |
|
|
3001 | SV *coro_sv; |
|
|
3002 | struct coro *coro; |
|
|
3003 | MAGIC *mg; |
|
|
3004 | HV *hv; |
|
|
3005 | SV *cb; |
|
|
3006 | int i; |
|
|
3007 | |
|
|
3008 | if (argc > 0) |
|
|
3009 | { |
|
|
3010 | cb = s_get_cv_croak (argv [0]); |
|
|
3011 | |
|
|
3012 | if (!is_coro) |
|
|
3013 | { |
|
|
3014 | if (CvISXSUB (cb)) |
|
|
3015 | croak ("Coro::State doesn't support XS functions as coroutine start, caught"); |
|
|
3016 | |
|
|
3017 | if (!CvROOT (cb)) |
|
|
3018 | croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught"); |
|
|
3019 | } |
|
|
3020 | } |
|
|
3021 | |
|
|
3022 | Newz (0, coro, 1, struct coro); |
|
|
3023 | coro->args = newAV (); |
|
|
3024 | coro->flags = CF_NEW; |
|
|
3025 | |
|
|
3026 | if (coro_first) coro_first->prev = coro; |
|
|
3027 | coro->next = coro_first; |
|
|
3028 | coro_first = coro; |
|
|
3029 | |
|
|
3030 | coro->hv = hv = newHV (); |
|
|
3031 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
|
|
3032 | mg->mg_flags |= MGf_DUP; |
|
|
3033 | coro_sv = sv_bless (newRV_noinc ((SV *)hv), stash); |
|
|
3034 | |
|
|
3035 | if (argc > 0) |
|
|
3036 | { |
|
|
3037 | av_extend (coro->args, argc + is_coro - 1); |
|
|
3038 | |
|
|
3039 | if (is_coro) |
|
|
3040 | { |
|
|
3041 | av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb)); |
|
|
3042 | cb = (SV *)cv_coro_run; |
|
|
3043 | } |
|
|
3044 | |
|
|
3045 | coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb); |
|
|
3046 | |
|
|
3047 | for (i = 1; i < argc; i++) |
|
|
3048 | av_push (coro->args, newSVsv (argv [i])); |
|
|
3049 | } |
|
|
3050 | |
|
|
3051 | return coro_sv; |
|
|
3052 | } |
2623 | |
3053 | |
2624 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
3054 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
2625 | |
3055 | |
2626 | PROTOTYPES: DISABLE |
3056 | PROTOTYPES: DISABLE |
2627 | |
3057 | |
… | |
… | |
2632 | coro_thx = PERL_GET_CONTEXT; |
3062 | coro_thx = PERL_GET_CONTEXT; |
2633 | # endif |
3063 | # endif |
2634 | #endif |
3064 | #endif |
2635 | BOOT_PAGESIZE; |
3065 | BOOT_PAGESIZE; |
2636 | |
3066 | |
|
|
3067 | cctx_current = cctx_new_empty (); |
|
|
3068 | |
2637 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3069 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
2638 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3070 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
2639 | |
3071 | |
2640 | orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get; |
3072 | orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get; |
2641 | orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set; |
3073 | orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set; |
… | |
… | |
2660 | |
3092 | |
2661 | { |
3093 | { |
2662 | SV *slf = sv_2mortal (newSViv (PTR2IV (pp_slf))); |
3094 | SV *slf = sv_2mortal (newSViv (PTR2IV (pp_slf))); |
2663 | |
3095 | |
2664 | if (!PL_custom_op_names) PL_custom_op_names = newHV (); |
3096 | if (!PL_custom_op_names) PL_custom_op_names = newHV (); |
2665 | hv_store_ent (PL_custom_op_names, slf, |
3097 | hv_store_ent (PL_custom_op_names, slf, newSVpv ("coro_slf", 0), 0); |
2666 | newSVpv ("coro_slf", 0), 0); |
|
|
2667 | |
3098 | |
2668 | if (!PL_custom_op_descs) PL_custom_op_descs = newHV (); |
3099 | if (!PL_custom_op_descs) PL_custom_op_descs = newHV (); |
2669 | hv_store_ent (PL_custom_op_descs, slf, |
3100 | hv_store_ent (PL_custom_op_descs, slf, newSVpv ("coro schedule like function", 0), 0); |
2670 | newSVpv ("coro schedule like function", 0), 0); |
|
|
2671 | } |
3101 | } |
2672 | |
3102 | |
2673 | coroapi.ver = CORO_API_VERSION; |
3103 | coroapi.ver = CORO_API_VERSION; |
2674 | coroapi.rev = CORO_API_REVISION; |
3104 | coroapi.rev = CORO_API_REVISION; |
2675 | |
3105 | |
… | |
… | |
2687 | |
3117 | |
2688 | if (!svp) croak ("Time::HiRes is required"); |
3118 | if (!svp) croak ("Time::HiRes is required"); |
2689 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer"); |
3119 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer"); |
2690 | |
3120 | |
2691 | nvtime = INT2PTR (double (*)(), SvIV (*svp)); |
3121 | nvtime = INT2PTR (double (*)(), SvIV (*svp)); |
|
|
3122 | |
|
|
3123 | svp = hv_fetch (PL_modglobal, "Time::U2time", 12, 0); |
|
|
3124 | u2time = INT2PTR (void (*)(pTHX_ UV ret[2]), SvIV (*svp)); |
2692 | } |
3125 | } |
2693 | |
3126 | |
2694 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
3127 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
2695 | } |
3128 | } |
2696 | |
3129 | |
2697 | SV * |
3130 | SV * |
2698 | new (char *klass, ...) |
3131 | new (SV *klass, ...) |
2699 | ALIAS: |
3132 | ALIAS: |
2700 | Coro::new = 1 |
3133 | Coro::new = 1 |
2701 | CODE: |
3134 | CODE: |
2702 | { |
3135 | RETVAL = coro_new (aTHX_ ix ? coro_stash : coro_state_stash, &ST (1), items - 1, ix); |
2703 | struct coro *coro; |
3136 | OUTPUT: |
2704 | MAGIC *mg; |
|
|
2705 | HV *hv; |
|
|
2706 | CV *cb; |
|
|
2707 | int i; |
|
|
2708 | |
|
|
2709 | if (items > 1) |
|
|
2710 | { |
|
|
2711 | cb = coro_sv_2cv (aTHX_ ST (1)); |
|
|
2712 | |
|
|
2713 | if (!ix) |
|
|
2714 | { |
|
|
2715 | if (CvISXSUB (cb)) |
|
|
2716 | croak ("Coro::State doesn't support XS functions as coroutine start, caught"); |
|
|
2717 | |
|
|
2718 | if (!CvROOT (cb)) |
|
|
2719 | croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught"); |
|
|
2720 | } |
|
|
2721 | } |
|
|
2722 | |
|
|
2723 | Newz (0, coro, 1, struct coro); |
|
|
2724 | coro->args = newAV (); |
|
|
2725 | coro->flags = CF_NEW; |
|
|
2726 | |
|
|
2727 | if (coro_first) coro_first->prev = coro; |
|
|
2728 | coro->next = coro_first; |
|
|
2729 | coro_first = coro; |
|
|
2730 | |
|
|
2731 | coro->hv = hv = newHV (); |
|
|
2732 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
|
|
2733 | mg->mg_flags |= MGf_DUP; |
|
|
2734 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
|
|
2735 | |
|
|
2736 | if (items > 1) |
|
|
2737 | { |
|
|
2738 | av_extend (coro->args, items - 1 + ix - 1); |
|
|
2739 | |
|
|
2740 | if (ix) |
|
|
2741 | { |
|
|
2742 | av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb)); |
|
|
2743 | cb = cv_coro_run; |
|
|
2744 | } |
|
|
2745 | |
|
|
2746 | coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb); |
|
|
2747 | |
|
|
2748 | for (i = 2; i < items; i++) |
|
|
2749 | av_push (coro->args, newSVsv (ST (i))); |
|
|
2750 | } |
|
|
2751 | } |
|
|
2752 | OUTPUT: |
|
|
2753 | RETVAL |
3137 | RETVAL |
2754 | |
3138 | |
2755 | void |
3139 | void |
2756 | transfer (...) |
3140 | transfer (...) |
2757 | PROTOTYPE: $$ |
3141 | PROTOTYPE: $$ |
… | |
… | |
2768 | void |
3152 | void |
2769 | _exit (int code) |
3153 | _exit (int code) |
2770 | PROTOTYPE: $ |
3154 | PROTOTYPE: $ |
2771 | CODE: |
3155 | CODE: |
2772 | _exit (code); |
3156 | _exit (code); |
|
|
3157 | |
|
|
3158 | SV * |
|
|
3159 | clone (Coro::State coro) |
|
|
3160 | CODE: |
|
|
3161 | { |
|
|
3162 | #if CORO_CLONE |
|
|
3163 | struct coro *ncoro = coro_clone (aTHX_ coro); |
|
|
3164 | MAGIC *mg; |
|
|
3165 | /* TODO: too much duplication */ |
|
|
3166 | ncoro->hv = newHV (); |
|
|
3167 | mg = sv_magicext ((SV *)ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)ncoro, 0); |
|
|
3168 | mg->mg_flags |= MGf_DUP; |
|
|
3169 | RETVAL = sv_bless (newRV_noinc ((SV *)ncoro->hv), SvSTASH (coro->hv)); |
|
|
3170 | #else |
|
|
3171 | croak ("Coro::State->clone has not been configured into this installation of Coro, realised"); |
|
|
3172 | #endif |
|
|
3173 | } |
|
|
3174 | OUTPUT: |
|
|
3175 | RETVAL |
2773 | |
3176 | |
2774 | int |
3177 | int |
2775 | cctx_stacksize (int new_stacksize = 0) |
3178 | cctx_stacksize (int new_stacksize = 0) |
2776 | PROTOTYPE: ;$ |
3179 | PROTOTYPE: ;$ |
2777 | CODE: |
3180 | CODE: |
… | |
… | |
2827 | eval = 1 |
3230 | eval = 1 |
2828 | CODE: |
3231 | CODE: |
2829 | { |
3232 | { |
2830 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
3233 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
2831 | { |
3234 | { |
2832 | struct coro temp; |
3235 | struct coro *current = SvSTATE_current; |
2833 | |
3236 | |
2834 | if (!(coro->flags & CF_RUNNING)) |
3237 | if (current != coro) |
2835 | { |
3238 | { |
2836 | PUTBACK; |
3239 | PUTBACK; |
2837 | save_perl (aTHX_ &temp); |
3240 | save_perl (aTHX_ current); |
2838 | load_perl (aTHX_ coro); |
3241 | load_perl (aTHX_ coro); |
|
|
3242 | SPAGAIN; |
2839 | } |
3243 | } |
2840 | |
3244 | |
2841 | { |
|
|
2842 | dSP; |
|
|
2843 | ENTER; |
|
|
2844 | SAVETMPS; |
|
|
2845 | PUTBACK; |
|
|
2846 | PUSHSTACK; |
3245 | PUSHSTACK; |
|
|
3246 | |
2847 | PUSHMARK (SP); |
3247 | PUSHMARK (SP); |
|
|
3248 | PUTBACK; |
2848 | |
3249 | |
2849 | if (ix) |
3250 | if (ix) |
2850 | eval_sv (coderef, 0); |
3251 | eval_sv (coderef, 0); |
2851 | else |
3252 | else |
2852 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
3253 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
2853 | |
3254 | |
2854 | POPSTACK; |
3255 | POPSTACK; |
2855 | SPAGAIN; |
3256 | SPAGAIN; |
2856 | FREETMPS; |
|
|
2857 | LEAVE; |
|
|
2858 | PUTBACK; |
|
|
2859 | } |
|
|
2860 | |
3257 | |
2861 | if (!(coro->flags & CF_RUNNING)) |
3258 | if (current != coro) |
2862 | { |
3259 | { |
|
|
3260 | PUTBACK; |
2863 | save_perl (aTHX_ coro); |
3261 | save_perl (aTHX_ coro); |
2864 | load_perl (aTHX_ &temp); |
3262 | load_perl (aTHX_ current); |
2865 | SPAGAIN; |
3263 | SPAGAIN; |
2866 | } |
3264 | } |
2867 | } |
3265 | } |
2868 | } |
3266 | } |
2869 | |
3267 | |
… | |
… | |
2873 | ALIAS: |
3271 | ALIAS: |
2874 | is_ready = CF_READY |
3272 | is_ready = CF_READY |
2875 | is_running = CF_RUNNING |
3273 | is_running = CF_RUNNING |
2876 | is_new = CF_NEW |
3274 | is_new = CF_NEW |
2877 | is_destroyed = CF_DESTROYED |
3275 | is_destroyed = CF_DESTROYED |
|
|
3276 | is_suspended = CF_SUSPENDED |
2878 | CODE: |
3277 | CODE: |
2879 | RETVAL = boolSV (coro->flags & ix); |
3278 | RETVAL = boolSV (coro->flags & ix); |
2880 | OUTPUT: |
3279 | OUTPUT: |
2881 | RETVAL |
3280 | RETVAL |
2882 | |
3281 | |
2883 | void |
3282 | void |
2884 | throw (Coro::State self, SV *throw = &PL_sv_undef) |
3283 | throw (Coro::State self, SV *exception = &PL_sv_undef) |
2885 | PROTOTYPE: $;$ |
3284 | PROTOTYPE: $;$ |
2886 | CODE: |
3285 | CODE: |
2887 | { |
3286 | { |
2888 | struct coro *current = SvSTATE_current; |
3287 | struct coro *current = SvSTATE_current; |
2889 | SV **throwp = self == current ? &CORO_THROW : &self->except; |
3288 | SV **exceptionp = self == current ? &CORO_THROW : &self->except; |
2890 | SvREFCNT_dec (*throwp); |
3289 | SvREFCNT_dec (*exceptionp); |
2891 | *throwp = SvOK (throw) ? newSVsv (throw) : 0; |
3290 | SvGETMAGIC (exception); |
|
|
3291 | *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; |
2892 | } |
3292 | } |
2893 | |
3293 | |
2894 | void |
3294 | void |
2895 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3295 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
2896 | PROTOTYPE: $;$ |
3296 | PROTOTYPE: $;$ |
… | |
… | |
2898 | |
3298 | |
2899 | SV * |
3299 | SV * |
2900 | has_cctx (Coro::State coro) |
3300 | has_cctx (Coro::State coro) |
2901 | PROTOTYPE: $ |
3301 | PROTOTYPE: $ |
2902 | CODE: |
3302 | CODE: |
2903 | RETVAL = boolSV (!!coro->cctx); |
3303 | /* maybe manage the running flag differently */ |
|
|
3304 | RETVAL = boolSV (!!coro->cctx || (coro->flags & CF_RUNNING)); |
2904 | OUTPUT: |
3305 | OUTPUT: |
2905 | RETVAL |
3306 | RETVAL |
2906 | |
3307 | |
2907 | int |
3308 | int |
2908 | is_traced (Coro::State coro) |
3309 | is_traced (Coro::State coro) |
… | |
… | |
2928 | |
3329 | |
2929 | void |
3330 | void |
2930 | force_cctx () |
3331 | force_cctx () |
2931 | PROTOTYPE: |
3332 | PROTOTYPE: |
2932 | CODE: |
3333 | CODE: |
2933 | SvSTATE_current->cctx->idle_sp = 0; |
3334 | cctx_current->idle_sp = 0; |
2934 | |
3335 | |
2935 | void |
3336 | void |
2936 | swap_defsv (Coro::State self) |
3337 | swap_defsv (Coro::State self) |
2937 | PROTOTYPE: $ |
3338 | PROTOTYPE: $ |
2938 | ALIAS: |
3339 | ALIAS: |
… | |
… | |
2946 | SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv; |
3347 | SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv; |
2947 | |
3348 | |
2948 | SV *tmp = *src; *src = *dst; *dst = tmp; |
3349 | SV *tmp = *src; *src = *dst; *dst = tmp; |
2949 | } |
3350 | } |
2950 | |
3351 | |
|
|
3352 | void |
|
|
3353 | cancel (Coro::State self) |
|
|
3354 | CODE: |
|
|
3355 | coro_state_destroy (aTHX_ self); |
|
|
3356 | coro_call_on_destroy (aTHX_ self); /* actually only for Coro objects */ |
|
|
3357 | |
|
|
3358 | |
|
|
3359 | SV * |
|
|
3360 | enable_times (int enabled = enable_times) |
|
|
3361 | CODE: |
|
|
3362 | { |
|
|
3363 | RETVAL = boolSV (enable_times); |
|
|
3364 | |
|
|
3365 | if (enabled != enable_times) |
|
|
3366 | { |
|
|
3367 | enable_times = enabled; |
|
|
3368 | |
|
|
3369 | coro_times_update (); |
|
|
3370 | (enabled ? coro_times_sub : coro_times_add)(SvSTATE (coro_current)); |
|
|
3371 | } |
|
|
3372 | } |
|
|
3373 | OUTPUT: |
|
|
3374 | RETVAL |
|
|
3375 | |
|
|
3376 | void |
|
|
3377 | times (Coro::State self) |
|
|
3378 | PPCODE: |
|
|
3379 | { |
|
|
3380 | struct coro *current = SvSTATE (coro_current); |
|
|
3381 | |
|
|
3382 | if (expect_false (current == self)) |
|
|
3383 | { |
|
|
3384 | coro_times_update (); |
|
|
3385 | coro_times_add (SvSTATE (coro_current)); |
|
|
3386 | } |
|
|
3387 | |
|
|
3388 | EXTEND (SP, 2); |
|
|
3389 | PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9))); |
|
|
3390 | PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9))); |
|
|
3391 | |
|
|
3392 | if (expect_false (current == self)) |
|
|
3393 | coro_times_sub (SvSTATE (coro_current)); |
|
|
3394 | } |
|
|
3395 | |
|
|
3396 | void |
|
|
3397 | swap_sv (Coro::State coro, SV *sv, SV *swapsv) |
|
|
3398 | CODE: |
|
|
3399 | { |
|
|
3400 | struct coro *current = SvSTATE_current; |
|
|
3401 | |
|
|
3402 | if (current == coro) |
|
|
3403 | SWAP_SVS (current); |
|
|
3404 | |
|
|
3405 | if (!coro->swap_sv) |
|
|
3406 | coro->swap_sv = newAV (); |
|
|
3407 | |
|
|
3408 | av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (sv ))); |
|
|
3409 | av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (swapsv))); |
|
|
3410 | |
|
|
3411 | if (current == coro) |
|
|
3412 | SWAP_SVS (current); |
|
|
3413 | } |
|
|
3414 | |
2951 | |
3415 | |
2952 | MODULE = Coro::State PACKAGE = Coro |
3416 | MODULE = Coro::State PACKAGE = Coro |
2953 | |
3417 | |
2954 | BOOT: |
3418 | BOOT: |
2955 | { |
3419 | { |
2956 | int i; |
|
|
2957 | |
|
|
2958 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
|
|
2959 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3420 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
2960 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3421 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
2961 | cv_coro_run = get_cv ( "Coro::_terminate", GV_ADD); |
3422 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
2962 | cv_coro_terminate = get_cv ( "Coro::terminate", GV_ADD); |
3423 | cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD); |
2963 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); |
3424 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
2964 | SvREADONLY_on (coro_current); |
3425 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
|
|
3426 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
|
|
3427 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
|
|
3428 | sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); |
2965 | |
3429 | |
2966 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3430 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
2967 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
3431 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
2968 | cv_pool_handler = get_cv ("Coro::_pool_handler", 0); SvREADONLY_on (cv_pool_handler); |
3432 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
2969 | cv_coro_new = get_cv ("Coro::new", 0); SvREADONLY_on (cv_coro_new); |
3433 | CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */ |
2970 | |
3434 | |
2971 | coro_stash = gv_stashpv ("Coro", TRUE); |
3435 | coro_stash = gv_stashpv ("Coro", TRUE); |
2972 | |
3436 | |
2973 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
3437 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
2974 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
3438 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
2975 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); |
3439 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL)); |
2976 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); |
3440 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (CORO_PRIO_LOW)); |
2977 | newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE)); |
3441 | newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (CORO_PRIO_IDLE)); |
2978 | newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN)); |
3442 | newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (CORO_PRIO_MIN)); |
2979 | |
|
|
2980 | for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) |
|
|
2981 | coro_ready[i] = newAV (); |
|
|
2982 | |
3443 | |
2983 | { |
3444 | { |
2984 | SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE); |
3445 | SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE); |
2985 | |
3446 | |
2986 | coroapi.schedule = api_schedule; |
3447 | coroapi.schedule = api_schedule; |
|
|
3448 | coroapi.schedule_to = api_schedule_to; |
2987 | coroapi.cede = api_cede; |
3449 | coroapi.cede = api_cede; |
2988 | coroapi.cede_notself = api_cede_notself; |
3450 | coroapi.cede_notself = api_cede_notself; |
2989 | coroapi.ready = api_ready; |
3451 | coroapi.ready = api_ready; |
2990 | coroapi.is_ready = api_is_ready; |
3452 | coroapi.is_ready = api_is_ready; |
2991 | coroapi.nready = coro_nready; |
3453 | coroapi.nready = coro_nready; |
… | |
… | |
2995 | sv_setiv (sv, (IV)&coroapi); |
3457 | sv_setiv (sv, (IV)&coroapi); |
2996 | SvREADONLY_on (sv); |
3458 | SvREADONLY_on (sv); |
2997 | } |
3459 | } |
2998 | } |
3460 | } |
2999 | |
3461 | |
|
|
3462 | SV * |
|
|
3463 | async (...) |
|
|
3464 | PROTOTYPE: &@ |
|
|
3465 | CODE: |
|
|
3466 | RETVAL = coro_new (aTHX_ coro_stash, &ST (0), items, 1); |
|
|
3467 | api_ready (aTHX_ RETVAL); |
|
|
3468 | OUTPUT: |
|
|
3469 | RETVAL |
|
|
3470 | |
|
|
3471 | void |
|
|
3472 | terminate (...) |
|
|
3473 | CODE: |
|
|
3474 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
|
|
3475 | |
3000 | void |
3476 | void |
3001 | schedule (...) |
3477 | schedule (...) |
3002 | CODE: |
3478 | CODE: |
3003 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
3479 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
|
|
3480 | |
|
|
3481 | void |
|
|
3482 | schedule_to (...) |
|
|
3483 | CODE: |
|
|
3484 | CORO_EXECUTE_SLF_XS (slf_init_schedule_to); |
|
|
3485 | |
|
|
3486 | void |
|
|
3487 | cede_to (...) |
|
|
3488 | CODE: |
|
|
3489 | CORO_EXECUTE_SLF_XS (slf_init_cede_to); |
3004 | |
3490 | |
3005 | void |
3491 | void |
3006 | cede (...) |
3492 | cede (...) |
3007 | CODE: |
3493 | CODE: |
3008 | CORO_EXECUTE_SLF_XS (slf_init_cede); |
3494 | CORO_EXECUTE_SLF_XS (slf_init_cede); |
… | |
… | |
3022 | void |
3508 | void |
3023 | _set_readyhook (SV *hook) |
3509 | _set_readyhook (SV *hook) |
3024 | PROTOTYPE: $ |
3510 | PROTOTYPE: $ |
3025 | CODE: |
3511 | CODE: |
3026 | SvREFCNT_dec (coro_readyhook); |
3512 | SvREFCNT_dec (coro_readyhook); |
|
|
3513 | SvGETMAGIC (hook); |
|
|
3514 | if (SvOK (hook)) |
|
|
3515 | { |
3027 | coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0; |
3516 | coro_readyhook = newSVsv (hook); |
|
|
3517 | CORO_READYHOOK = invoke_sv_ready_hook_helper; |
|
|
3518 | } |
|
|
3519 | else |
|
|
3520 | { |
|
|
3521 | coro_readyhook = 0; |
|
|
3522 | CORO_READYHOOK = 0; |
|
|
3523 | } |
3028 | |
3524 | |
3029 | int |
3525 | int |
3030 | prio (Coro::State coro, int newprio = 0) |
3526 | prio (Coro::State coro, int newprio = 0) |
3031 | PROTOTYPE: $;$ |
3527 | PROTOTYPE: $;$ |
3032 | ALIAS: |
3528 | ALIAS: |
… | |
… | |
3038 | if (items > 1) |
3534 | if (items > 1) |
3039 | { |
3535 | { |
3040 | if (ix) |
3536 | if (ix) |
3041 | newprio = coro->prio - newprio; |
3537 | newprio = coro->prio - newprio; |
3042 | |
3538 | |
3043 | if (newprio < PRIO_MIN) newprio = PRIO_MIN; |
3539 | if (newprio < CORO_PRIO_MIN) newprio = CORO_PRIO_MIN; |
3044 | if (newprio > PRIO_MAX) newprio = PRIO_MAX; |
3540 | if (newprio > CORO_PRIO_MAX) newprio = CORO_PRIO_MAX; |
3045 | |
3541 | |
3046 | coro->prio = newprio; |
3542 | coro->prio = newprio; |
3047 | } |
3543 | } |
3048 | } |
3544 | } |
3049 | OUTPUT: |
3545 | OUTPUT: |
… | |
… | |
3064 | RETVAL = coro_nready; |
3560 | RETVAL = coro_nready; |
3065 | OUTPUT: |
3561 | OUTPUT: |
3066 | RETVAL |
3562 | RETVAL |
3067 | |
3563 | |
3068 | void |
3564 | void |
|
|
3565 | suspend (Coro::State self) |
|
|
3566 | PROTOTYPE: $ |
|
|
3567 | CODE: |
|
|
3568 | self->flags |= CF_SUSPENDED; |
|
|
3569 | |
|
|
3570 | void |
|
|
3571 | resume (Coro::State self) |
|
|
3572 | PROTOTYPE: $ |
|
|
3573 | CODE: |
|
|
3574 | self->flags &= ~CF_SUSPENDED; |
|
|
3575 | |
|
|
3576 | void |
3069 | _pool_handler (...) |
3577 | _pool_handler (...) |
3070 | CODE: |
3578 | CODE: |
3071 | CORO_EXECUTE_SLF_XS (slf_init_pool_handler); |
3579 | CORO_EXECUTE_SLF_XS (slf_init_pool_handler); |
3072 | |
3580 | |
3073 | void |
3581 | void |
… | |
… | |
3084 | for (i = 1; i < items; ++i) |
3592 | for (i = 1; i < items; ++i) |
3085 | av_push (av, SvREFCNT_inc_NN (ST (i))); |
3593 | av_push (av, SvREFCNT_inc_NN (ST (i))); |
3086 | |
3594 | |
3087 | if ((SV *)hv == &PL_sv_undef) |
3595 | if ((SV *)hv == &PL_sv_undef) |
3088 | { |
3596 | { |
3089 | PUSHMARK (SP); |
3597 | SV *sv = coro_new (aTHX_ coro_stash, (SV **)&cv_pool_handler, 1, 1); |
3090 | EXTEND (SP, 2); |
|
|
3091 | PUSHs (sv_Coro); |
|
|
3092 | PUSHs ((SV *)cv_pool_handler); |
|
|
3093 | PUTBACK; |
|
|
3094 | call_sv ((SV *)cv_coro_new, G_SCALAR); |
|
|
3095 | SPAGAIN; |
|
|
3096 | |
|
|
3097 | hv = (HV *)SvREFCNT_inc_NN (SvRV (POPs)); |
3598 | hv = (HV *)SvREFCNT_inc_NN (SvRV (sv)); |
|
|
3599 | SvREFCNT_dec (sv); |
3098 | } |
3600 | } |
3099 | |
3601 | |
3100 | { |
3602 | { |
3101 | struct coro *coro = SvSTATE_hv (hv); |
3603 | struct coro *coro = SvSTATE_hv (hv); |
3102 | |
3604 | |
… | |
… | |
3126 | rouse_wait (...) |
3628 | rouse_wait (...) |
3127 | PROTOTYPE: ;$ |
3629 | PROTOTYPE: ;$ |
3128 | PPCODE: |
3630 | PPCODE: |
3129 | CORO_EXECUTE_SLF_XS (slf_init_rouse_wait); |
3631 | CORO_EXECUTE_SLF_XS (slf_init_rouse_wait); |
3130 | |
3632 | |
|
|
3633 | void |
|
|
3634 | on_enter (SV *block) |
|
|
3635 | ALIAS: |
|
|
3636 | on_leave = 1 |
|
|
3637 | PROTOTYPE: & |
|
|
3638 | CODE: |
|
|
3639 | { |
|
|
3640 | struct coro *coro = SvSTATE_current; |
|
|
3641 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
|
|
3642 | |
|
|
3643 | block = s_get_cv_croak (block); |
|
|
3644 | |
|
|
3645 | if (!*avp) |
|
|
3646 | *avp = newAV (); |
|
|
3647 | |
|
|
3648 | av_push (*avp, SvREFCNT_inc (block)); |
|
|
3649 | |
|
|
3650 | if (!ix) |
|
|
3651 | on_enterleave_call (aTHX_ block); |
|
|
3652 | |
|
|
3653 | LEAVE; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */ |
|
|
3654 | SAVEDESTRUCTOR_X (ix ? coro_pop_on_leave : coro_pop_on_enter, (void *)coro); |
|
|
3655 | ENTER; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */ |
|
|
3656 | } |
|
|
3657 | |
3131 | |
3658 | |
3132 | MODULE = Coro::State PACKAGE = PerlIO::cede |
3659 | MODULE = Coro::State PACKAGE = PerlIO::cede |
3133 | |
3660 | |
3134 | BOOT: |
3661 | BOOT: |
3135 | PerlIO_define_layer (aTHX_ &PerlIO_cede); |
3662 | PerlIO_define_layer (aTHX_ &PerlIO_cede); |
… | |
… | |
3138 | MODULE = Coro::State PACKAGE = Coro::Semaphore |
3665 | MODULE = Coro::State PACKAGE = Coro::Semaphore |
3139 | |
3666 | |
3140 | SV * |
3667 | SV * |
3141 | new (SV *klass, SV *count = 0) |
3668 | new (SV *klass, SV *count = 0) |
3142 | CODE: |
3669 | CODE: |
|
|
3670 | { |
|
|
3671 | int semcnt = 1; |
|
|
3672 | |
|
|
3673 | if (count) |
|
|
3674 | { |
|
|
3675 | SvGETMAGIC (count); |
|
|
3676 | |
|
|
3677 | if (SvOK (count)) |
|
|
3678 | semcnt = SvIV (count); |
|
|
3679 | } |
|
|
3680 | |
3143 | RETVAL = sv_bless ( |
3681 | RETVAL = sv_bless ( |
3144 | coro_waitarray_new (aTHX_ count && SvOK (count) ? SvIV (count) : 1), |
3682 | coro_waitarray_new (aTHX_ semcnt), |
3145 | GvSTASH (CvGV (cv)) |
3683 | GvSTASH (CvGV (cv)) |
3146 | ); |
3684 | ); |
|
|
3685 | } |
3147 | OUTPUT: |
3686 | OUTPUT: |
3148 | RETVAL |
3687 | RETVAL |
3149 | |
3688 | |
3150 | # helper for Coro::Channel |
3689 | # helper for Coro::Channel and others |
3151 | SV * |
3690 | SV * |
3152 | _alloc (int count) |
3691 | _alloc (int count) |
3153 | CODE: |
3692 | CODE: |
3154 | RETVAL = coro_waitarray_new (aTHX_ count); |
3693 | RETVAL = coro_waitarray_new (aTHX_ count); |
3155 | OUTPUT: |
3694 | OUTPUT: |
… | |
… | |
3213 | for (i = 1; i <= wcount; ++i) |
3752 | for (i = 1; i <= wcount; ++i) |
3214 | PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i]))); |
3753 | PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i]))); |
3215 | } |
3754 | } |
3216 | } |
3755 | } |
3217 | |
3756 | |
|
|
3757 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
|
|
3758 | |
|
|
3759 | void |
|
|
3760 | _may_delete (SV *sem, int count, int extra_refs) |
|
|
3761 | PPCODE: |
|
|
3762 | { |
|
|
3763 | AV *av = (AV *)SvRV (sem); |
|
|
3764 | |
|
|
3765 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
|
|
3766 | && AvFILLp (av) == 0 /* no waiters, just count */ |
|
|
3767 | && SvIV (AvARRAY (av)[0]) == count) |
|
|
3768 | XSRETURN_YES; |
|
|
3769 | |
|
|
3770 | XSRETURN_NO; |
|
|
3771 | } |
|
|
3772 | |
3218 | MODULE = Coro::State PACKAGE = Coro::Signal |
3773 | MODULE = Coro::State PACKAGE = Coro::Signal |
3219 | |
3774 | |
3220 | SV * |
3775 | SV * |
3221 | new (SV *klass) |
3776 | new (SV *klass) |
3222 | CODE: |
3777 | CODE: |
… | |
… | |
3293 | |
3848 | |
3294 | void |
3849 | void |
3295 | _register (char *target, char *proto, SV *req) |
3850 | _register (char *target, char *proto, SV *req) |
3296 | CODE: |
3851 | CODE: |
3297 | { |
3852 | { |
3298 | CV *req_cv = coro_sv_2cv (aTHX_ req); |
3853 | SV *req_cv = s_get_cv_croak (req); |
3299 | /* newXSproto doesn't return the CV on 5.8 */ |
3854 | /* newXSproto doesn't return the CV on 5.8 */ |
3300 | CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__); |
3855 | CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__); |
3301 | sv_setpv ((SV *)slf_cv, proto); |
3856 | sv_setpv ((SV *)slf_cv, proto); |
3302 | sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0); |
3857 | sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0); |
3303 | } |
3858 | } |
3304 | |
3859 | |
|
|
3860 | MODULE = Coro::State PACKAGE = Coro::Select |
|
|
3861 | |
|
|
3862 | void |
|
|
3863 | patch_pp_sselect () |
|
|
3864 | CODE: |
|
|
3865 | if (!coro_old_pp_sselect) |
|
|
3866 | { |
|
|
3867 | coro_select_select = (SV *)get_cv ("Coro::Select::select", 0); |
|
|
3868 | coro_old_pp_sselect = PL_ppaddr [OP_SSELECT]; |
|
|
3869 | PL_ppaddr [OP_SSELECT] = coro_pp_sselect; |
|
|
3870 | } |
|
|
3871 | |
|
|
3872 | void |
|
|
3873 | unpatch_pp_sselect () |
|
|
3874 | CODE: |
|
|
3875 | if (coro_old_pp_sselect) |
|
|
3876 | { |
|
|
3877 | PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; |
|
|
3878 | coro_old_pp_sselect = 0; |
|
|
3879 | } |
|
|
3880 | |
|
|
3881 | |