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1 | /* this works around a bug in mingw32 providing a non-working setjmp */ |
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2 | #define USE_NO_MINGW_SETJMP_TWO_ARGS |
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3 | |
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4 | #define NDEBUG 1 |
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5 | |
1 | #include "libcoro/coro.c" |
6 | #include "libcoro/coro.c" |
2 | |
7 | |
3 | #define PERL_NO_GET_CONTEXT |
8 | #define PERL_NO_GET_CONTEXT |
4 | #define PERL_EXT |
9 | #define PERL_EXT |
5 | |
10 | |
6 | #include "EXTERN.h" |
11 | #include "EXTERN.h" |
7 | #include "perl.h" |
12 | #include "perl.h" |
8 | #include "XSUB.h" |
13 | #include "XSUB.h" |
9 | #include "perliol.h" |
14 | #include "perliol.h" |
10 | |
15 | |
11 | #include "patchlevel.h" |
16 | #include "schmorp.h" |
12 | |
17 | |
13 | #include <stdio.h> |
18 | #include <stdio.h> |
14 | #include <errno.h> |
19 | #include <errno.h> |
15 | #include <assert.h> |
20 | #include <assert.h> |
16 | |
21 | |
17 | #ifdef WIN32 |
22 | #ifndef SVs_PADSTALE |
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23 | # define SVs_PADSTALE 0 |
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24 | #endif |
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25 | |
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26 | #if defined(_WIN32) |
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27 | # undef HAS_GETTIMEOFDAY |
18 | # undef setjmp |
28 | # undef setjmp |
19 | # undef longjmp |
29 | # undef longjmp |
20 | # undef _exit |
30 | # undef _exit |
21 | # define setjmp _setjmp /* deep magic */ |
31 | # define setjmp _setjmp /* deep magic */ |
22 | #else |
32 | #else |
… | |
… | |
51 | #endif |
61 | #endif |
52 | |
62 | |
53 | /* the maximum number of idle cctx that will be pooled */ |
63 | /* the maximum number of idle cctx that will be pooled */ |
54 | static int cctx_max_idle = 4; |
64 | static int cctx_max_idle = 4; |
55 | |
65 | |
56 | #define PERL_VERSION_ATLEAST(a,b,c) \ |
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57 | (PERL_REVISION > (a) \ |
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58 | || (PERL_REVISION == (a) \ |
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59 | && (PERL_VERSION > (b) \ |
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60 | || (PERL_VERSION == (b) && PERL_SUBVERSION >= (c))))) |
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61 | |
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62 | #if !PERL_VERSION_ATLEAST (5,6,0) |
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63 | # ifndef PL_ppaddr |
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64 | # define PL_ppaddr ppaddr |
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65 | # endif |
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66 | # ifndef call_sv |
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67 | # define call_sv perl_call_sv |
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68 | # endif |
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69 | # ifndef get_sv |
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70 | # define get_sv perl_get_sv |
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71 | # endif |
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72 | # ifndef get_cv |
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73 | # define get_cv perl_get_cv |
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74 | # endif |
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75 | # ifndef IS_PADGV |
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76 | # define IS_PADGV(v) 0 |
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77 | # endif |
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78 | # ifndef IS_PADCONST |
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79 | # define IS_PADCONST(v) 0 |
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80 | # endif |
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81 | #endif |
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82 | |
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83 | /* 5.11 */ |
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84 | #ifndef CxHASARGS |
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85 | # define CxHASARGS(cx) (cx)->blk_sub.hasargs |
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86 | #endif |
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87 | |
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88 | /* 5.10.0 */ |
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89 | #ifndef SvREFCNT_inc_NN |
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90 | # define SvREFCNT_inc_NN(sv) SvREFCNT_inc (sv) |
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91 | #endif |
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92 | |
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93 | /* 5.8.8 */ |
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94 | #ifndef GV_NOTQUAL |
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95 | # define GV_NOTQUAL 0 |
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96 | #endif |
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97 | #ifndef newSV |
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98 | # define newSV(l) NEWSV(0,l) |
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99 | #endif |
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100 | #ifndef CvISXSUB_on |
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101 | # define CvISXSUB_on(cv) (void)cv |
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102 | #endif |
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103 | #ifndef CvISXSUB |
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104 | # define CvISXSUB(cv) (CvXSUB (cv) ? TRUE : FALSE) |
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105 | #endif |
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106 | #ifndef Newx |
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107 | # define Newx(ptr,nitems,type) New (0,ptr,nitems,type) |
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108 | #endif |
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109 | |
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110 | /* 5.8.7 */ |
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111 | #ifndef SvRV_set |
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112 | # define SvRV_set(s,v) SvRV(s) = (v) |
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113 | #endif |
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114 | |
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115 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
66 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
116 | # undef CORO_STACKGUARD |
67 | # undef CORO_STACKGUARD |
117 | #endif |
68 | #endif |
118 | |
69 | |
119 | #ifndef CORO_STACKGUARD |
70 | #ifndef CORO_STACKGUARD |
… | |
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137 | |
88 | |
138 | #define IN_DESTRUCT PL_dirty |
89 | #define IN_DESTRUCT PL_dirty |
139 | |
90 | |
140 | #if __GNUC__ >= 3 |
91 | #if __GNUC__ >= 3 |
141 | # define attribute(x) __attribute__(x) |
92 | # define attribute(x) __attribute__(x) |
142 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
93 | # define expect(expr,value) __builtin_expect ((expr), (value)) |
143 | # define INLINE static inline |
94 | # define INLINE static inline |
144 | #else |
95 | #else |
145 | # define attribute(x) |
96 | # define attribute(x) |
146 | # define expect(expr,value) (expr) |
97 | # define expect(expr,value) (expr) |
147 | # define INLINE static |
98 | # define INLINE static |
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159 | # if CORO_PTHREAD |
110 | # if CORO_PTHREAD |
160 | static void *coro_thx; |
111 | static void *coro_thx; |
161 | # endif |
112 | # endif |
162 | #endif |
113 | #endif |
163 | |
114 | |
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115 | #ifdef __linux |
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116 | # include <time.h> /* for timespec */ |
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117 | # include <syscall.h> /* for SYS_* */ |
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118 | # ifdef SYS_clock_gettime |
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119 | # define coro_clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
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120 | # define CORO_CLOCK_MONOTONIC 1 |
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121 | # define CORO_CLOCK_THREAD_CPUTIME_ID 3 |
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122 | # endif |
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123 | #endif |
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124 | |
164 | static double (*nvtime)(); /* so why doesn't it take void? */ |
125 | static double (*nvtime)(); /* so why doesn't it take void? */ |
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126 | static void (*u2time)(pTHX_ UV ret[2]); |
165 | |
127 | |
166 | /* we hijack an hopefully unused CV flag for our purposes */ |
128 | /* we hijack an hopefully unused CV flag for our purposes */ |
167 | #define CVf_SLF 0x4000 |
129 | #define CVf_SLF 0x4000 |
168 | static OP *pp_slf (pTHX); |
130 | static OP *pp_slf (pTHX); |
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131 | static void slf_destroy (pTHX_ struct coro *coro); |
169 | |
132 | |
170 | static U32 cctx_gen; |
133 | static U32 cctx_gen; |
171 | static size_t cctx_stacksize = CORO_STACKSIZE; |
134 | static size_t cctx_stacksize = CORO_STACKSIZE; |
172 | static struct CoroAPI coroapi; |
135 | static struct CoroAPI coroapi; |
173 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
136 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
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190 | static SV *sv_pool_size; |
153 | static SV *sv_pool_size; |
191 | static SV *sv_async_pool_idle; /* description string */ |
154 | static SV *sv_async_pool_idle; /* description string */ |
192 | static AV *av_async_pool; /* idle pool */ |
155 | static AV *av_async_pool; /* idle pool */ |
193 | static SV *sv_Coro; /* class string */ |
156 | static SV *sv_Coro; /* class string */ |
194 | static CV *cv_pool_handler; |
157 | static CV *cv_pool_handler; |
195 | static CV *cv_coro_state_new; |
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196 | |
158 | |
197 | /* Coro::AnyEvent */ |
159 | /* Coro::AnyEvent */ |
198 | static SV *sv_activity; |
160 | static SV *sv_activity; |
199 | |
161 | |
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162 | /* enable processtime/realtime profiling */ |
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163 | static char enable_times; |
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164 | typedef U32 coro_ts[2]; |
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165 | static coro_ts time_real, time_cpu; |
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166 | static char times_valid; |
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167 | |
200 | static struct coro_cctx *cctx_first; |
168 | static struct coro_cctx *cctx_first; |
201 | static int cctx_count, cctx_idle; |
169 | static int cctx_count, cctx_idle; |
202 | |
170 | |
203 | enum { |
171 | enum |
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172 | { |
204 | CC_MAPPED = 0x01, |
173 | CC_MAPPED = 0x01, |
205 | CC_NOREUSE = 0x02, /* throw this away after tracing */ |
174 | CC_NOREUSE = 0x02, /* throw this away after tracing */ |
206 | CC_TRACE = 0x04, |
175 | CC_TRACE = 0x04, |
207 | CC_TRACE_SUB = 0x08, /* trace sub calls */ |
176 | CC_TRACE_SUB = 0x08, /* trace sub calls */ |
208 | CC_TRACE_LINE = 0x10, /* trace each statement */ |
177 | CC_TRACE_LINE = 0x10, /* trace each statement */ |
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229 | int valgrind_id; |
198 | int valgrind_id; |
230 | #endif |
199 | #endif |
231 | unsigned char flags; |
200 | unsigned char flags; |
232 | } coro_cctx; |
201 | } coro_cctx; |
233 | |
202 | |
234 | coro_cctx *cctx_current; /* the currently running cctx */ |
203 | static coro_cctx *cctx_current; /* the currently running cctx */ |
235 | |
204 | |
236 | /*****************************************************************************/ |
205 | /*****************************************************************************/ |
237 | |
206 | |
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207 | static MGVTBL coro_state_vtbl; |
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208 | |
238 | enum { |
209 | enum |
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210 | { |
239 | CF_RUNNING = 0x0001, /* coroutine is running */ |
211 | CF_RUNNING = 0x0001, /* coroutine is running */ |
240 | CF_READY = 0x0002, /* coroutine is ready */ |
212 | CF_READY = 0x0002, /* coroutine is ready */ |
241 | CF_NEW = 0x0004, /* has never been switched to */ |
213 | CF_NEW = 0x0004, /* has never been switched to */ |
242 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
214 | CF_ZOMBIE = 0x0008, /* coroutine data has been freed */ |
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215 | CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */ |
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216 | CF_NOCANCEL = 0x0020, /* cannot cancel, set slf_frame.data to 1 (hackish) */ |
243 | }; |
217 | }; |
244 | |
218 | |
245 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
219 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
246 | typedef struct |
220 | typedef struct |
247 | { |
221 | { |
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253 | #define VAR(name,type) type name; |
227 | #define VAR(name,type) type name; |
254 | # include "state.h" |
228 | # include "state.h" |
255 | #undef VAR |
229 | #undef VAR |
256 | } perl_slots; |
230 | } perl_slots; |
257 | |
231 | |
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232 | // how many context stack entries do we need for perl_slots |
258 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
233 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
259 | |
234 | |
260 | /* this is a structure representing a perl-level coroutine */ |
235 | /* this is a structure representing a perl-level coroutine */ |
261 | struct coro { |
236 | struct coro |
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237 | { |
262 | /* the C coroutine allocated to this perl coroutine, if any */ |
238 | /* the C coroutine allocated to this perl coroutine, if any */ |
263 | coro_cctx *cctx; |
239 | coro_cctx *cctx; |
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240 | |
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241 | /* ready queue */ |
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242 | struct coro *next_ready; |
264 | |
243 | |
265 | /* state data */ |
244 | /* state data */ |
266 | struct CoroSLF slf_frame; /* saved slf frame */ |
245 | struct CoroSLF slf_frame; /* saved slf frame */ |
267 | AV *mainstack; |
246 | AV *mainstack; |
268 | perl_slots *slot; /* basically the saved sp */ |
247 | perl_slots *slot; /* basically the saved sp */ |
269 | |
248 | |
270 | CV *startcv; /* the CV to execute */ |
249 | CV *startcv; /* the CV to execute */ |
271 | AV *args; /* data associated with this coroutine (initial args) */ |
250 | AV *args; /* data associated with this coroutine (initial args) */ |
272 | int refcnt; /* coroutines are refcounted, yes */ |
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273 | int flags; /* CF_ flags */ |
251 | int flags; /* CF_ flags */ |
274 | HV *hv; /* the perl hash associated with this coro, if any */ |
252 | HV *hv; /* the perl hash associated with this coro, if any */ |
275 | void (*on_destroy)(pTHX_ struct coro *coro); |
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276 | |
253 | |
277 | /* statistics */ |
254 | /* statistics */ |
278 | int usecount; /* number of transfers to this coro */ |
255 | int usecount; /* number of transfers to this coro */ |
279 | |
256 | |
280 | /* coro process data */ |
257 | /* coro process data */ |
281 | int prio; |
258 | int prio; |
282 | SV *except; /* exception to be thrown */ |
259 | SV *except; /* exception to be thrown */ |
283 | SV *rouse_cb; |
260 | SV *rouse_cb; /* last rouse callback */ |
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261 | AV *on_destroy; /* callbacks or coros to notify on destroy */ |
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262 | AV *status; /* the exit status list */ |
284 | |
263 | |
285 | /* async_pool */ |
264 | /* async_pool */ |
286 | SV *saved_deffh; |
265 | SV *saved_deffh; |
287 | SV *invoke_cb; |
266 | SV *invoke_cb; |
288 | AV *invoke_av; |
267 | AV *invoke_av; |
289 | |
268 | |
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269 | /* on_enter/on_leave */ |
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270 | AV *on_enter; |
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271 | AV *on_leave; |
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272 | |
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273 | /* swap_sv */ |
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274 | AV *swap_sv; |
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275 | |
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276 | /* times */ |
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277 | coro_ts t_cpu, t_real; |
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278 | |
290 | /* linked list */ |
279 | /* linked list */ |
291 | struct coro *next, *prev; |
280 | struct coro *next, *prev; |
292 | }; |
281 | }; |
293 | |
282 | |
294 | typedef struct coro *Coro__State; |
283 | typedef struct coro *Coro__State; |
295 | typedef struct coro *Coro__State_or_hashref; |
284 | typedef struct coro *Coro__State_or_hashref; |
296 | |
285 | |
297 | /* the following variables are effectively part of the perl context */ |
286 | /* the following variables are effectively part of the perl context */ |
298 | /* and get copied between struct coro and these variables */ |
287 | /* and get copied between struct coro and these variables */ |
299 | /* the mainr easonw e don't support windows process emulation */ |
288 | /* the main reason we don't support windows process emulation */ |
300 | static struct CoroSLF slf_frame; /* the current slf frame */ |
289 | static struct CoroSLF slf_frame; /* the current slf frame */ |
301 | |
290 | |
302 | /** Coro ********************************************************************/ |
291 | /** Coro ********************************************************************/ |
303 | |
292 | |
304 | #define PRIO_MAX 3 |
293 | #define CORO_PRIO_MAX 3 |
305 | #define PRIO_HIGH 1 |
294 | #define CORO_PRIO_HIGH 1 |
306 | #define PRIO_NORMAL 0 |
295 | #define CORO_PRIO_NORMAL 0 |
307 | #define PRIO_LOW -1 |
296 | #define CORO_PRIO_LOW -1 |
308 | #define PRIO_IDLE -3 |
297 | #define CORO_PRIO_IDLE -3 |
309 | #define PRIO_MIN -4 |
298 | #define CORO_PRIO_MIN -4 |
310 | |
299 | |
311 | /* for Coro.pm */ |
300 | /* for Coro.pm */ |
312 | static SV *coro_current; |
301 | static SV *coro_current; |
313 | static SV *coro_readyhook; |
302 | static SV *coro_readyhook; |
314 | static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1]; |
303 | static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ |
315 | static CV *cv_coro_run, *cv_coro_terminate; |
304 | static CV *cv_coro_run; |
316 | static struct coro *coro_first; |
305 | static struct coro *coro_first; |
317 | #define coro_nready coroapi.nready |
306 | #define coro_nready coroapi.nready |
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307 | |
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308 | /** Coro::Select ************************************************************/ |
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309 | |
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310 | static OP *(*coro_old_pp_sselect) (pTHX); |
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311 | static SV *coro_select_select; |
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312 | |
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313 | /* horrible hack, but if it works... */ |
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314 | static OP * |
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315 | coro_pp_sselect (pTHX) |
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316 | { |
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317 | dSP; |
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318 | PUSHMARK (SP - 4); /* fake argument list */ |
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319 | XPUSHs (coro_select_select); |
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320 | PUTBACK; |
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321 | |
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322 | /* entersub is an UNOP, select a LISTOP... keep your fingers crossed */ |
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323 | PL_op->op_flags |= OPf_STACKED; |
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324 | PL_op->op_private = 0; |
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325 | return PL_ppaddr [OP_ENTERSUB](aTHX); |
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326 | } |
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327 | |
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328 | /** time stuff **************************************************************/ |
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329 | |
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330 | #ifdef HAS_GETTIMEOFDAY |
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331 | |
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332 | static void |
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333 | coro_u2time (pTHX_ UV ret[2]) |
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334 | { |
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335 | struct timeval tv; |
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336 | gettimeofday (&tv, 0); |
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337 | |
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338 | ret [0] = tv.tv_sec; |
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339 | ret [1] = tv.tv_usec; |
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340 | } |
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341 | |
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342 | static double |
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343 | coro_nvtime () |
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344 | { |
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345 | struct timeval tv; |
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346 | gettimeofday (&tv, 0); |
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347 | |
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348 | return tv.tv_sec + tv.tv_usec * 1e-6; |
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349 | } |
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350 | |
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351 | static void |
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352 | time_init (pTHX) |
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353 | { |
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354 | nvtime = coro_nvtime; |
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355 | u2time = coro_u2time; |
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356 | } |
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357 | |
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358 | #else |
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359 | |
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360 | static void |
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361 | time_init (pTHX) |
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362 | { |
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363 | SV **svp; |
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364 | |
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365 | require_pv ("Time/HiRes.pm"); |
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366 | |
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367 | svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
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368 | |
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369 | if (!svp) croak ("Time::HiRes is required, but missing. Caught"); |
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370 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer. Caught"); |
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371 | |
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372 | nvtime = INT2PTR (double (*)(), SvIV (*svp)); |
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373 | |
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374 | svp = hv_fetch (PL_modglobal, "Time::U2time", 12, 0); |
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375 | u2time = INT2PTR (void (*)(pTHX_ UV ret[2]), SvIV (*svp)); |
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376 | } |
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377 | |
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378 | #endif |
318 | |
379 | |
319 | /** lowlevel stuff **********************************************************/ |
380 | /** lowlevel stuff **********************************************************/ |
320 | |
381 | |
321 | static SV * |
382 | static SV * |
322 | coro_get_sv (pTHX_ const char *name, int create) |
383 | coro_get_sv (pTHX_ const char *name, int create) |
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346 | get_hv (name, create); |
407 | get_hv (name, create); |
347 | #endif |
408 | #endif |
348 | return get_hv (name, create); |
409 | return get_hv (name, create); |
349 | } |
410 | } |
350 | |
411 | |
351 | /* may croak */ |
412 | INLINE void |
352 | INLINE CV * |
413 | coro_times_update () |
353 | coro_sv_2cv (pTHX_ SV *sv) |
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354 | { |
414 | { |
355 | HV *st; |
415 | #ifdef coro_clock_gettime |
356 | GV *gvp; |
416 | struct timespec ts; |
357 | return sv_2cv (sv, &st, &gvp, 0); |
417 | |
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418 | ts.tv_sec = ts.tv_nsec = 0; |
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419 | coro_clock_gettime (CORO_CLOCK_THREAD_CPUTIME_ID, &ts); |
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420 | time_cpu [0] = ts.tv_sec; time_cpu [1] = ts.tv_nsec; |
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421 | |
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422 | ts.tv_sec = ts.tv_nsec = 0; |
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423 | coro_clock_gettime (CORO_CLOCK_MONOTONIC, &ts); |
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424 | time_real [0] = ts.tv_sec; time_real [1] = ts.tv_nsec; |
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425 | #else |
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426 | dTHX; |
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427 | UV tv[2]; |
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428 | |
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429 | u2time (aTHX_ tv); |
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430 | time_real [0] = tv [0]; |
|
|
431 | time_real [1] = tv [1] * 1000; |
|
|
432 | #endif |
|
|
433 | } |
|
|
434 | |
|
|
435 | INLINE void |
|
|
436 | coro_times_add (struct coro *c) |
|
|
437 | { |
|
|
438 | c->t_real [1] += time_real [1]; |
|
|
439 | if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } |
|
|
440 | c->t_real [0] += time_real [0]; |
|
|
441 | |
|
|
442 | c->t_cpu [1] += time_cpu [1]; |
|
|
443 | if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } |
|
|
444 | c->t_cpu [0] += time_cpu [0]; |
|
|
445 | } |
|
|
446 | |
|
|
447 | INLINE void |
|
|
448 | coro_times_sub (struct coro *c) |
|
|
449 | { |
|
|
450 | if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } |
|
|
451 | c->t_real [1] -= time_real [1]; |
|
|
452 | c->t_real [0] -= time_real [0]; |
|
|
453 | |
|
|
454 | if (c->t_cpu [1] < time_cpu [1]) { c->t_cpu [1] += 1000000000; --c->t_cpu [0]; } |
|
|
455 | c->t_cpu [1] -= time_cpu [1]; |
|
|
456 | c->t_cpu [0] -= time_cpu [0]; |
358 | } |
457 | } |
359 | |
458 | |
360 | /*****************************************************************************/ |
459 | /*****************************************************************************/ |
361 | /* magic glue */ |
460 | /* magic glue */ |
362 | |
461 | |
… | |
… | |
374 | : 0) |
473 | : 0) |
375 | |
474 | |
376 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
475 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
377 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
476 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
378 | |
477 | |
|
|
478 | INLINE MAGIC * |
|
|
479 | SvSTATEhv_p (pTHX_ SV *coro) |
|
|
480 | { |
|
|
481 | MAGIC *mg; |
|
|
482 | |
|
|
483 | if (expect_true ( |
|
|
484 | SvTYPE (coro) == SVt_PVHV |
|
|
485 | && (mg = CORO_MAGIC_state (coro)) |
|
|
486 | && mg->mg_virtual == &coro_state_vtbl |
|
|
487 | )) |
|
|
488 | return mg; |
|
|
489 | |
|
|
490 | return 0; |
|
|
491 | } |
|
|
492 | |
379 | INLINE struct coro * |
493 | INLINE struct coro * |
380 | SvSTATE_ (pTHX_ SV *coro) |
494 | SvSTATE_ (pTHX_ SV *coro) |
381 | { |
495 | { |
382 | HV *stash; |
|
|
383 | MAGIC *mg; |
496 | MAGIC *mg; |
384 | |
497 | |
385 | if (SvROK (coro)) |
498 | if (SvROK (coro)) |
386 | coro = SvRV (coro); |
499 | coro = SvRV (coro); |
387 | |
500 | |
388 | if (expect_false (SvTYPE (coro) != SVt_PVHV)) |
501 | mg = SvSTATEhv_p (coro); |
|
|
502 | if (!mg) |
389 | croak ("Coro::State object required"); |
503 | croak ("Coro::State object required"); |
390 | |
504 | |
391 | stash = SvSTASH (coro); |
|
|
392 | if (expect_false (stash != coro_stash && stash != coro_state_stash)) |
|
|
393 | { |
|
|
394 | /* very slow, but rare, check */ |
|
|
395 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
|
|
396 | croak ("Coro::State object required"); |
|
|
397 | } |
|
|
398 | |
|
|
399 | mg = CORO_MAGIC_state (coro); |
|
|
400 | return (struct coro *)mg->mg_ptr; |
505 | return (struct coro *)mg->mg_ptr; |
401 | } |
506 | } |
402 | |
507 | |
403 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
508 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
404 | |
509 | |
… | |
… | |
462 | static int |
567 | static int |
463 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
568 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
464 | { |
569 | { |
465 | AV *padlist; |
570 | AV *padlist; |
466 | AV *av = (AV *)mg->mg_obj; |
571 | AV *av = (AV *)mg->mg_obj; |
|
|
572 | |
|
|
573 | /* perl manages to free our internal AV and _then_ call us */ |
|
|
574 | if (IN_DESTRUCT) |
|
|
575 | return 0; |
467 | |
576 | |
468 | /* casting is fun. */ |
577 | /* casting is fun. */ |
469 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
578 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
470 | free_padlist (aTHX_ padlist); |
579 | free_padlist (aTHX_ padlist); |
471 | |
580 | |
… | |
… | |
520 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
629 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
521 | } |
630 | } |
522 | |
631 | |
523 | /** load & save, init *******************************************************/ |
632 | /** load & save, init *******************************************************/ |
524 | |
633 | |
|
|
634 | /* swap sv heads, at least logically */ |
|
|
635 | static void |
|
|
636 | swap_svs (pTHX_ Coro__State c) |
|
|
637 | { |
|
|
638 | int i; |
|
|
639 | |
|
|
640 | for (i = 0; i <= AvFILLp (c->swap_sv); ) |
|
|
641 | { |
|
|
642 | SV *a = AvARRAY (c->swap_sv)[i++]; |
|
|
643 | SV *b = AvARRAY (c->swap_sv)[i++]; |
|
|
644 | |
|
|
645 | const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */ |
|
|
646 | SV tmp; |
|
|
647 | |
|
|
648 | /* swap sv_any */ |
|
|
649 | SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp); |
|
|
650 | |
|
|
651 | /* swap sv_flags */ |
|
|
652 | SvFLAGS (&tmp) = SvFLAGS (a); |
|
|
653 | SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep); |
|
|
654 | SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep); |
|
|
655 | |
|
|
656 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
657 | /* perl 5.10 complicates this _quite_ a bit, but it also is |
|
|
658 | * much faster, so no quarrels here. alternatively, we could |
|
|
659 | * sv_upgrade to avoid this. |
|
|
660 | */ |
|
|
661 | { |
|
|
662 | /* swap sv_u */ |
|
|
663 | tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u; |
|
|
664 | |
|
|
665 | /* if SvANY points to the head, we need to adjust the pointers, |
|
|
666 | * as the pointer for a still points to b, and maybe vice versa. |
|
|
667 | */ |
|
|
668 | #define svany_in_head(type) \ |
|
|
669 | (((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type))) |
|
|
670 | |
|
|
671 | if (svany_in_head (SvTYPE (a))) |
|
|
672 | SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a); |
|
|
673 | |
|
|
674 | if (svany_in_head (SvTYPE (b))) |
|
|
675 | SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b); |
|
|
676 | } |
|
|
677 | #endif |
|
|
678 | } |
|
|
679 | } |
|
|
680 | |
|
|
681 | #define SWAP_SVS(coro) \ |
|
|
682 | if (expect_false ((coro)->swap_sv)) \ |
|
|
683 | swap_svs (aTHX_ (coro)) |
|
|
684 | |
|
|
685 | static void |
|
|
686 | on_enterleave_call (pTHX_ SV *cb); |
|
|
687 | |
525 | static void |
688 | static void |
526 | load_perl (pTHX_ Coro__State c) |
689 | load_perl (pTHX_ Coro__State c) |
527 | { |
690 | { |
528 | perl_slots *slot = c->slot; |
691 | perl_slots *slot = c->slot; |
529 | c->slot = 0; |
692 | c->slot = 0; |
… | |
… | |
556 | PUTBACK; |
719 | PUTBACK; |
557 | } |
720 | } |
558 | |
721 | |
559 | slf_frame = c->slf_frame; |
722 | slf_frame = c->slf_frame; |
560 | CORO_THROW = c->except; |
723 | CORO_THROW = c->except; |
|
|
724 | |
|
|
725 | if (expect_false (enable_times)) |
|
|
726 | { |
|
|
727 | if (expect_false (!times_valid)) |
|
|
728 | coro_times_update (); |
|
|
729 | |
|
|
730 | coro_times_sub (c); |
|
|
731 | } |
|
|
732 | |
|
|
733 | if (expect_false (c->on_enter)) |
|
|
734 | { |
|
|
735 | int i; |
|
|
736 | |
|
|
737 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
|
|
738 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
|
|
739 | } |
|
|
740 | |
|
|
741 | SWAP_SVS (c); |
561 | } |
742 | } |
562 | |
743 | |
563 | static void |
744 | static void |
564 | save_perl (pTHX_ Coro__State c) |
745 | save_perl (pTHX_ Coro__State c) |
565 | { |
746 | { |
|
|
747 | SWAP_SVS (c); |
|
|
748 | |
|
|
749 | if (expect_false (c->on_leave)) |
|
|
750 | { |
|
|
751 | int i; |
|
|
752 | |
|
|
753 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
|
|
754 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
|
|
755 | } |
|
|
756 | |
|
|
757 | times_valid = 0; |
|
|
758 | |
|
|
759 | if (expect_false (enable_times)) |
|
|
760 | { |
|
|
761 | coro_times_update (); times_valid = 1; |
|
|
762 | coro_times_add (c); |
|
|
763 | } |
|
|
764 | |
566 | c->except = CORO_THROW; |
765 | c->except = CORO_THROW; |
567 | c->slf_frame = slf_frame; |
766 | c->slf_frame = slf_frame; |
568 | |
767 | |
569 | { |
768 | { |
570 | dSP; |
769 | dSP; |
… | |
… | |
583 | { |
782 | { |
584 | while (expect_true (cxix >= 0)) |
783 | while (expect_true (cxix >= 0)) |
585 | { |
784 | { |
586 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
785 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
587 | |
786 | |
588 | if (expect_true (CxTYPE (cx) == CXt_SUB || CxTYPE (cx) == CXt_FORMAT)) |
787 | if (expect_true (CxTYPE (cx) == CXt_SUB) || expect_false (CxTYPE (cx) == CXt_FORMAT)) |
589 | { |
788 | { |
590 | CV *cv = cx->blk_sub.cv; |
789 | CV *cv = cx->blk_sub.cv; |
591 | |
790 | |
592 | if (expect_true (CvDEPTH (cv))) |
791 | if (expect_true (CvDEPTH (cv))) |
593 | { |
792 | { |
… | |
… | |
612 | |
811 | |
613 | PUTBACK; |
812 | PUTBACK; |
614 | } |
813 | } |
615 | |
814 | |
616 | /* allocate some space on the context stack for our purposes */ |
815 | /* allocate some space on the context stack for our purposes */ |
617 | /* we manually unroll here, as usually 2 slots is enough */ |
816 | if (expect_false (cxstack_ix + SLOT_COUNT >= cxstack_max)) |
618 | if (SLOT_COUNT >= 1) CXINC; |
|
|
619 | if (SLOT_COUNT >= 2) CXINC; |
|
|
620 | if (SLOT_COUNT >= 3) CXINC; |
|
|
621 | { |
817 | { |
622 | int i; |
818 | unsigned int i; |
|
|
819 | |
623 | for (i = 3; i < SLOT_COUNT; ++i) |
820 | for (i = 0; i < SLOT_COUNT; ++i) |
624 | CXINC; |
821 | CXINC; |
625 | } |
822 | |
626 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
823 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
|
|
824 | } |
627 | |
825 | |
628 | c->mainstack = PL_mainstack; |
826 | c->mainstack = PL_mainstack; |
629 | |
827 | |
630 | { |
828 | { |
631 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
829 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
… | |
… | |
652 | # define coro_init_stacks(thx) init_stacks () |
850 | # define coro_init_stacks(thx) init_stacks () |
653 | #else |
851 | #else |
654 | static void |
852 | static void |
655 | coro_init_stacks (pTHX) |
853 | coro_init_stacks (pTHX) |
656 | { |
854 | { |
657 | PL_curstackinfo = new_stackinfo(32, 8); |
855 | PL_curstackinfo = new_stackinfo(32, 4 + SLOT_COUNT); /* 3 is minimum due to perl rounding down in scope.c:GROW() */ |
658 | PL_curstackinfo->si_type = PERLSI_MAIN; |
856 | PL_curstackinfo->si_type = PERLSI_MAIN; |
659 | PL_curstack = PL_curstackinfo->si_stack; |
857 | PL_curstack = PL_curstackinfo->si_stack; |
660 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
858 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
661 | |
859 | |
662 | PL_stack_base = AvARRAY(PL_curstack); |
860 | PL_stack_base = AvARRAY(PL_curstack); |
… | |
… | |
769 | #endif |
967 | #endif |
770 | |
968 | |
771 | /* |
969 | /* |
772 | * This overrides the default magic get method of %SIG elements. |
970 | * This overrides the default magic get method of %SIG elements. |
773 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
971 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
774 | * and instead of tryign to save and restore the hash elements, we just provide |
972 | * and instead of trying to save and restore the hash elements, we just provide |
775 | * readback here. |
973 | * readback here. |
776 | * We only do this when the hook is != 0, as they are often set to 0 temporarily, |
|
|
777 | * not expecting this to actually change the hook. This is a potential problem |
|
|
778 | * when a schedule happens then, but we ignore this. |
|
|
779 | */ |
974 | */ |
780 | static int |
975 | static int |
781 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
976 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
782 | { |
977 | { |
783 | const char *s = MgPV_nolen_const (mg); |
978 | const char *s = MgPV_nolen_const (mg); |
… | |
… | |
836 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
1031 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
837 | |
1032 | |
838 | if (svp) |
1033 | if (svp) |
839 | { |
1034 | { |
840 | SV *old = *svp; |
1035 | SV *old = *svp; |
841 | *svp = newSVsv (sv); |
1036 | *svp = SvOK (sv) ? newSVsv (sv) : 0; |
842 | SvREFCNT_dec (old); |
1037 | SvREFCNT_dec (old); |
843 | return 0; |
1038 | return 0; |
844 | } |
1039 | } |
845 | } |
1040 | } |
846 | |
1041 | |
… | |
… | |
864 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
1059 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
865 | { |
1060 | { |
866 | return 1; |
1061 | return 1; |
867 | } |
1062 | } |
868 | |
1063 | |
869 | static UNOP coro_setup_op; |
1064 | static UNOP init_perl_op; |
870 | |
1065 | |
871 | static void NOINLINE /* noinline to keep it out of the transfer fast path */ |
1066 | static void NOINLINE /* noinline to keep it out of the transfer fast path */ |
872 | coro_setup (pTHX_ struct coro *coro) |
1067 | init_perl (pTHX_ struct coro *coro) |
873 | { |
1068 | { |
874 | /* |
1069 | /* |
875 | * emulate part of the perl startup here. |
1070 | * emulate part of the perl startup here. |
876 | */ |
1071 | */ |
877 | coro_init_stacks (aTHX); |
1072 | coro_init_stacks (aTHX); |
… | |
… | |
884 | PL_comppad_name_fill = 0; |
1079 | PL_comppad_name_fill = 0; |
885 | PL_comppad_name_floor = 0; |
1080 | PL_comppad_name_floor = 0; |
886 | PL_curpm = 0; |
1081 | PL_curpm = 0; |
887 | PL_curpad = 0; |
1082 | PL_curpad = 0; |
888 | PL_localizing = 0; |
1083 | PL_localizing = 0; |
889 | PL_dirty = 0; |
|
|
890 | PL_restartop = 0; |
1084 | PL_restartop = 0; |
891 | #if PERL_VERSION_ATLEAST (5,10,0) |
1085 | #if PERL_VERSION_ATLEAST (5,10,0) |
892 | PL_parser = 0; |
1086 | PL_parser = 0; |
893 | #endif |
1087 | #endif |
894 | PL_hints = 0; |
1088 | PL_hints = 0; |
… | |
… | |
924 | /* this newly created coroutine might be run on an existing cctx which most |
1118 | /* this newly created coroutine might be run on an existing cctx which most |
925 | * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. |
1119 | * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. |
926 | */ |
1120 | */ |
927 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
1121 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
928 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
1122 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
|
|
1123 | slf_frame.destroy = 0; |
929 | |
1124 | |
930 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
1125 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
931 | coro_setup_op.op_next = PL_op; |
1126 | init_perl_op.op_next = PL_op; |
932 | coro_setup_op.op_type = OP_ENTERSUB; |
1127 | init_perl_op.op_type = OP_ENTERSUB; |
933 | coro_setup_op.op_ppaddr = pp_slf; |
1128 | init_perl_op.op_ppaddr = pp_slf; |
934 | /* no flags etc. required, as an init function won't be called */ |
1129 | /* no flags etc. required, as an init function won't be called */ |
935 | |
1130 | |
936 | PL_op = (OP *)&coro_setup_op; |
1131 | PL_op = (OP *)&init_perl_op; |
937 | |
1132 | |
938 | /* copy throw, in case it was set before coro_setup */ |
1133 | /* copy throw, in case it was set before init_perl */ |
939 | CORO_THROW = coro->except; |
1134 | CORO_THROW = coro->except; |
|
|
1135 | |
|
|
1136 | SWAP_SVS (coro); |
|
|
1137 | |
|
|
1138 | if (expect_false (enable_times)) |
|
|
1139 | { |
|
|
1140 | coro_times_update (); |
|
|
1141 | coro_times_sub (coro); |
|
|
1142 | } |
940 | } |
1143 | } |
941 | |
1144 | |
942 | static void |
1145 | static void |
943 | coro_unwind_stacks (pTHX) |
1146 | coro_unwind_stacks (pTHX) |
944 | { |
1147 | { |
… | |
… | |
959 | dounwind (-1); |
1162 | dounwind (-1); |
960 | } |
1163 | } |
961 | } |
1164 | } |
962 | |
1165 | |
963 | static void |
1166 | static void |
964 | coro_destruct_perl (pTHX_ struct coro *coro) |
1167 | destroy_perl (pTHX_ struct coro *coro) |
965 | { |
1168 | { |
|
|
1169 | SV *svf [9]; |
|
|
1170 | |
|
|
1171 | { |
|
|
1172 | SV *old_current = SvRV (coro_current); |
|
|
1173 | struct coro *current = SvSTATE (old_current); |
|
|
1174 | |
|
|
1175 | assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack)); |
|
|
1176 | |
|
|
1177 | save_perl (aTHX_ current); |
|
|
1178 | |
|
|
1179 | /* this will cause transfer_check to croak on block*/ |
|
|
1180 | SvRV_set (coro_current, (SV *)coro->hv); |
|
|
1181 | |
|
|
1182 | load_perl (aTHX_ coro); |
|
|
1183 | |
966 | coro_unwind_stacks (aTHX); |
1184 | coro_unwind_stacks (aTHX); |
967 | |
1185 | |
968 | SvREFCNT_dec (GvSV (PL_defgv)); |
1186 | /* restore swapped sv's */ |
969 | SvREFCNT_dec (GvAV (PL_defgv)); |
1187 | SWAP_SVS (coro); |
970 | SvREFCNT_dec (GvSV (PL_errgv)); |
|
|
971 | SvREFCNT_dec (PL_defoutgv); |
|
|
972 | SvREFCNT_dec (PL_rs); |
|
|
973 | SvREFCNT_dec (GvSV (irsgv)); |
|
|
974 | SvREFCNT_dec (GvHV (PL_hintgv)); |
|
|
975 | |
1188 | |
976 | SvREFCNT_dec (PL_diehook); |
1189 | coro_destruct_stacks (aTHX); |
977 | SvREFCNT_dec (PL_warnhook); |
1190 | |
|
|
1191 | // now save some sv's to be free'd later |
|
|
1192 | svf [0] = GvSV (PL_defgv); |
|
|
1193 | svf [1] = (SV *)GvAV (PL_defgv); |
|
|
1194 | svf [2] = GvSV (PL_errgv); |
|
|
1195 | svf [3] = (SV *)PL_defoutgv; |
|
|
1196 | svf [4] = PL_rs; |
|
|
1197 | svf [5] = GvSV (irsgv); |
|
|
1198 | svf [6] = (SV *)GvHV (PL_hintgv); |
|
|
1199 | svf [7] = PL_diehook; |
|
|
1200 | svf [8] = PL_warnhook; |
|
|
1201 | assert (9 == sizeof (svf) / sizeof (*svf)); |
|
|
1202 | |
|
|
1203 | SvRV_set (coro_current, old_current); |
|
|
1204 | |
|
|
1205 | load_perl (aTHX_ current); |
978 | |
1206 | } |
|
|
1207 | |
|
|
1208 | { |
|
|
1209 | unsigned int i; |
|
|
1210 | |
|
|
1211 | for (i = 0; i < sizeof (svf) / sizeof (*svf); ++i) |
|
|
1212 | SvREFCNT_dec (svf [i]); |
|
|
1213 | |
979 | SvREFCNT_dec (coro->saved_deffh); |
1214 | SvREFCNT_dec (coro->saved_deffh); |
980 | SvREFCNT_dec (coro->rouse_cb); |
1215 | SvREFCNT_dec (coro->rouse_cb); |
981 | SvREFCNT_dec (coro->invoke_cb); |
1216 | SvREFCNT_dec (coro->invoke_cb); |
982 | SvREFCNT_dec (coro->invoke_av); |
1217 | SvREFCNT_dec (coro->invoke_av); |
983 | |
1218 | } |
984 | coro_destruct_stacks (aTHX); |
|
|
985 | } |
1219 | } |
986 | |
1220 | |
987 | INLINE void |
1221 | INLINE void |
988 | free_coro_mortal (pTHX) |
1222 | free_coro_mortal (pTHX) |
989 | { |
1223 | { |
990 | if (expect_true (coro_mortal)) |
1224 | if (expect_true (coro_mortal)) |
991 | { |
1225 | { |
992 | SvREFCNT_dec (coro_mortal); |
1226 | SvREFCNT_dec ((SV *)coro_mortal); |
993 | coro_mortal = 0; |
1227 | coro_mortal = 0; |
994 | } |
1228 | } |
995 | } |
1229 | } |
996 | |
1230 | |
997 | static int |
1231 | static int |
… | |
… | |
1186 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1420 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1187 | PL_restartop = PL_op; |
1421 | PL_restartop = PL_op; |
1188 | perl_run (PL_curinterp); |
1422 | perl_run (PL_curinterp); |
1189 | /* |
1423 | /* |
1190 | * Unfortunately, there is no way to get at the return values of the |
1424 | * Unfortunately, there is no way to get at the return values of the |
1191 | * coro body here, as perl_run destroys these |
1425 | * coro body here, as perl_run destroys these. Likewise, we cannot catch |
|
|
1426 | * runtime errors here, as this is just a random interpreter, not a thread. |
1192 | */ |
1427 | */ |
1193 | |
1428 | |
1194 | /* |
1429 | /* |
1195 | * If perl-run returns we assume exit() was being called or the coro |
1430 | * If perl-run returns we assume exit() was being called or the coro |
1196 | * fell off the end, which seems to be the only valid (non-bug) |
1431 | * fell off the end, which seems to be the only valid (non-bug) |
… | |
… | |
1283 | cctx_destroy (coro_cctx *cctx) |
1518 | cctx_destroy (coro_cctx *cctx) |
1284 | { |
1519 | { |
1285 | if (!cctx) |
1520 | if (!cctx) |
1286 | return; |
1521 | return; |
1287 | |
1522 | |
1288 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));//D temporary? |
1523 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current)); |
1289 | |
1524 | |
1290 | --cctx_count; |
1525 | --cctx_count; |
1291 | coro_destroy (&cctx->cctx); |
1526 | coro_destroy (&cctx->cctx); |
1292 | |
1527 | |
1293 | /* coro_transfer creates new, empty cctx's */ |
1528 | /* coro_transfer creates new, empty cctx's */ |
… | |
… | |
1357 | /* TODO: throwing up here is considered harmful */ |
1592 | /* TODO: throwing up here is considered harmful */ |
1358 | |
1593 | |
1359 | if (expect_true (prev != next)) |
1594 | if (expect_true (prev != next)) |
1360 | { |
1595 | { |
1361 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1596 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1362 | croak ("Coro::State::transfer called with a suspended prev Coro::State, but can only transfer from running or new states,"); |
1597 | croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); |
1363 | |
1598 | |
1364 | if (expect_false (next->flags & CF_RUNNING)) |
1599 | if (expect_false (next->flags & (CF_RUNNING | CF_ZOMBIE | CF_SUSPENDED))) |
1365 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states,"); |
|
|
1366 | |
|
|
1367 | if (expect_false (next->flags & CF_DESTROYED)) |
|
|
1368 | croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states,"); |
1600 | croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); |
1369 | |
1601 | |
1370 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1602 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1371 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1603 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1372 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1604 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1373 | #endif |
1605 | #endif |
… | |
… | |
1406 | if (expect_false (next->flags & CF_NEW)) |
1638 | if (expect_false (next->flags & CF_NEW)) |
1407 | { |
1639 | { |
1408 | /* need to start coroutine */ |
1640 | /* need to start coroutine */ |
1409 | next->flags &= ~CF_NEW; |
1641 | next->flags &= ~CF_NEW; |
1410 | /* setup coroutine call */ |
1642 | /* setup coroutine call */ |
1411 | coro_setup (aTHX_ next); |
1643 | init_perl (aTHX_ next); |
1412 | } |
1644 | } |
1413 | else |
1645 | else |
1414 | load_perl (aTHX_ next); |
1646 | load_perl (aTHX_ next); |
1415 | |
1647 | |
1416 | /* possibly untie and reuse the cctx */ |
1648 | /* possibly untie and reuse the cctx */ |
… | |
… | |
1455 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1687 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1456 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1688 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1457 | |
1689 | |
1458 | /** high level stuff ********************************************************/ |
1690 | /** high level stuff ********************************************************/ |
1459 | |
1691 | |
|
|
1692 | /* this function is actually Coro, not Coro::State, but we call it from here */ |
|
|
1693 | /* because it is convenient - but it hasn't been declared yet for that reason */ |
1460 | static int |
1694 | static void |
|
|
1695 | coro_call_on_destroy (pTHX_ struct coro *coro); |
|
|
1696 | |
|
|
1697 | static void |
1461 | coro_state_destroy (pTHX_ struct coro *coro) |
1698 | coro_state_destroy (pTHX_ struct coro *coro) |
1462 | { |
1699 | { |
1463 | if (coro->flags & CF_DESTROYED) |
1700 | if (coro->flags & CF_ZOMBIE) |
1464 | return 0; |
1701 | return; |
1465 | |
1702 | |
1466 | if (coro->on_destroy) |
|
|
1467 | coro->on_destroy (aTHX_ coro); |
1703 | slf_destroy (aTHX_ coro); |
1468 | |
1704 | |
1469 | coro->flags |= CF_DESTROYED; |
1705 | coro->flags |= CF_ZOMBIE; |
1470 | |
1706 | |
1471 | if (coro->flags & CF_READY) |
1707 | if (coro->flags & CF_READY) |
1472 | { |
1708 | { |
1473 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1709 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1474 | /* alternative: look through all ready queues and remove the coro */ |
1710 | /* alternative: look through all ready queues and remove the coro */ |
1475 | --coro_nready; |
1711 | --coro_nready; |
1476 | } |
1712 | } |
1477 | else |
1713 | else |
1478 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
1714 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
|
|
1715 | |
|
|
1716 | if (coro->next) coro->next->prev = coro->prev; |
|
|
1717 | if (coro->prev) coro->prev->next = coro->next; |
|
|
1718 | if (coro == coro_first) coro_first = coro->next; |
1479 | |
1719 | |
1480 | if (coro->mainstack |
1720 | if (coro->mainstack |
1481 | && coro->mainstack != main_mainstack |
1721 | && coro->mainstack != main_mainstack |
1482 | && coro->slot |
1722 | && coro->slot |
1483 | && !PL_dirty) |
1723 | && !PL_dirty) |
1484 | { |
|
|
1485 | struct coro temp; |
|
|
1486 | |
|
|
1487 | assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack)); |
|
|
1488 | |
|
|
1489 | save_perl (aTHX_ &temp); |
|
|
1490 | load_perl (aTHX_ coro); |
|
|
1491 | |
|
|
1492 | coro_destruct_perl (aTHX_ coro); |
1724 | destroy_perl (aTHX_ coro); |
1493 | |
|
|
1494 | load_perl (aTHX_ &temp); |
|
|
1495 | |
|
|
1496 | coro->slot = 0; |
|
|
1497 | } |
|
|
1498 | |
1725 | |
1499 | cctx_destroy (coro->cctx); |
1726 | cctx_destroy (coro->cctx); |
1500 | SvREFCNT_dec (coro->startcv); |
1727 | SvREFCNT_dec (coro->startcv); |
1501 | SvREFCNT_dec (coro->args); |
1728 | SvREFCNT_dec (coro->args); |
|
|
1729 | SvREFCNT_dec (coro->swap_sv); |
1502 | SvREFCNT_dec (CORO_THROW); |
1730 | SvREFCNT_dec (CORO_THROW); |
1503 | |
1731 | |
1504 | if (coro->next) coro->next->prev = coro->prev; |
1732 | coro_call_on_destroy (coro); |
1505 | if (coro->prev) coro->prev->next = coro->next; |
|
|
1506 | if (coro == coro_first) coro_first = coro->next; |
|
|
1507 | |
1733 | |
1508 | return 1; |
1734 | /* more destruction mayhem in coro_state_free */ |
1509 | } |
1735 | } |
1510 | |
1736 | |
1511 | static int |
1737 | static int |
1512 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1738 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1513 | { |
1739 | { |
1514 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1740 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1515 | mg->mg_ptr = 0; |
1741 | mg->mg_ptr = 0; |
1516 | |
1742 | |
1517 | coro->hv = 0; |
|
|
1518 | |
|
|
1519 | if (--coro->refcnt < 0) |
|
|
1520 | { |
|
|
1521 | coro_state_destroy (aTHX_ coro); |
1743 | coro_state_destroy (coro); |
|
|
1744 | SvREFCNT_dec (coro->on_destroy); |
|
|
1745 | SvREFCNT_dec (coro->status); |
|
|
1746 | |
1522 | Safefree (coro); |
1747 | Safefree (coro); |
1523 | } |
|
|
1524 | |
1748 | |
1525 | return 0; |
1749 | return 0; |
1526 | } |
1750 | } |
1527 | |
1751 | |
1528 | static int |
1752 | static int |
1529 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1753 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1530 | { |
1754 | { |
1531 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1755 | /* called when perl clones the current process the slow way (windows process emulation) */ |
1532 | |
1756 | /* WE SIMply nuke the pointers in the copy, causing perl to croak */ |
1533 | ++coro->refcnt; |
1757 | mg->mg_ptr = 0; |
|
|
1758 | mg->mg_virtual = 0; |
1534 | |
1759 | |
1535 | return 0; |
1760 | return 0; |
1536 | } |
1761 | } |
1537 | |
1762 | |
1538 | static MGVTBL coro_state_vtbl = { |
1763 | static MGVTBL coro_state_vtbl = { |
… | |
… | |
1561 | |
1786 | |
1562 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1787 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1563 | TRANSFER (ta, 1); |
1788 | TRANSFER (ta, 1); |
1564 | } |
1789 | } |
1565 | |
1790 | |
1566 | /*****************************************************************************/ |
|
|
1567 | /* gensub: simple closure generation utility */ |
|
|
1568 | |
|
|
1569 | #define GENSUB_ARG CvXSUBANY (cv).any_ptr |
|
|
1570 | |
|
|
1571 | /* create a closure from XS, returns a code reference */ |
|
|
1572 | /* the arg can be accessed via GENSUB_ARG from the callback */ |
|
|
1573 | /* the callback must use dXSARGS/XSRETURN */ |
|
|
1574 | static SV * |
|
|
1575 | gensub (pTHX_ void (*xsub)(pTHX_ CV *), void *arg) |
|
|
1576 | { |
|
|
1577 | CV *cv = (CV *)newSV (0); |
|
|
1578 | |
|
|
1579 | sv_upgrade ((SV *)cv, SVt_PVCV); |
|
|
1580 | |
|
|
1581 | CvANON_on (cv); |
|
|
1582 | CvISXSUB_on (cv); |
|
|
1583 | CvXSUB (cv) = xsub; |
|
|
1584 | GENSUB_ARG = arg; |
|
|
1585 | |
|
|
1586 | return newRV_noinc ((SV *)cv); |
|
|
1587 | } |
|
|
1588 | |
|
|
1589 | /** Coro ********************************************************************/ |
1791 | /** Coro ********************************************************************/ |
1590 | |
1792 | |
1591 | INLINE void |
1793 | INLINE void |
1592 | coro_enq (pTHX_ struct coro *coro) |
1794 | coro_enq (pTHX_ struct coro *coro) |
1593 | { |
1795 | { |
1594 | av_push (coro_ready [coro->prio - PRIO_MIN], SvREFCNT_inc_NN (coro->hv)); |
1796 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1595 | } |
|
|
1596 | |
1797 | |
1597 | INLINE SV * |
1798 | SvREFCNT_inc_NN (coro->hv); |
|
|
1799 | |
|
|
1800 | coro->next_ready = 0; |
|
|
1801 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
|
|
1802 | ready [1] = coro; |
|
|
1803 | } |
|
|
1804 | |
|
|
1805 | INLINE struct coro * |
1598 | coro_deq (pTHX) |
1806 | coro_deq (pTHX) |
1599 | { |
1807 | { |
1600 | int prio; |
1808 | int prio; |
1601 | |
1809 | |
1602 | for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; ) |
1810 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
1603 | if (AvFILLp (coro_ready [prio]) >= 0) |
1811 | { |
1604 | return av_shift (coro_ready [prio]); |
1812 | struct coro **ready = coro_ready [prio]; |
|
|
1813 | |
|
|
1814 | if (ready [0]) |
|
|
1815 | { |
|
|
1816 | struct coro *coro = ready [0]; |
|
|
1817 | ready [0] = coro->next_ready; |
|
|
1818 | return coro; |
|
|
1819 | } |
|
|
1820 | } |
1605 | |
1821 | |
1606 | return 0; |
1822 | return 0; |
|
|
1823 | } |
|
|
1824 | |
|
|
1825 | static void |
|
|
1826 | invoke_sv_ready_hook_helper (void) |
|
|
1827 | { |
|
|
1828 | dTHX; |
|
|
1829 | dSP; |
|
|
1830 | |
|
|
1831 | ENTER; |
|
|
1832 | SAVETMPS; |
|
|
1833 | |
|
|
1834 | PUSHMARK (SP); |
|
|
1835 | PUTBACK; |
|
|
1836 | call_sv (coro_readyhook, G_VOID | G_DISCARD); |
|
|
1837 | |
|
|
1838 | FREETMPS; |
|
|
1839 | LEAVE; |
1607 | } |
1840 | } |
1608 | |
1841 | |
1609 | static int |
1842 | static int |
1610 | api_ready (pTHX_ SV *coro_sv) |
1843 | api_ready (pTHX_ SV *coro_sv) |
1611 | { |
1844 | { |
1612 | struct coro *coro; |
|
|
1613 | SV *sv_hook; |
|
|
1614 | void (*xs_hook)(void); |
|
|
1615 | |
|
|
1616 | coro = SvSTATE (coro_sv); |
1845 | struct coro *coro = SvSTATE (coro_sv); |
1617 | |
1846 | |
1618 | if (coro->flags & CF_READY) |
1847 | if (coro->flags & CF_READY) |
1619 | return 0; |
1848 | return 0; |
1620 | |
1849 | |
1621 | coro->flags |= CF_READY; |
1850 | coro->flags |= CF_READY; |
1622 | |
1851 | |
1623 | sv_hook = coro_nready ? 0 : coro_readyhook; |
|
|
1624 | xs_hook = coro_nready ? 0 : coroapi.readyhook; |
|
|
1625 | |
|
|
1626 | coro_enq (aTHX_ coro); |
1852 | coro_enq (aTHX_ coro); |
1627 | ++coro_nready; |
|
|
1628 | |
1853 | |
1629 | if (sv_hook) |
1854 | if (!coro_nready++) |
1630 | { |
1855 | if (coroapi.readyhook) |
1631 | dSP; |
1856 | coroapi.readyhook (); |
1632 | |
|
|
1633 | ENTER; |
|
|
1634 | SAVETMPS; |
|
|
1635 | |
|
|
1636 | PUSHMARK (SP); |
|
|
1637 | PUTBACK; |
|
|
1638 | call_sv (sv_hook, G_VOID | G_DISCARD); |
|
|
1639 | |
|
|
1640 | FREETMPS; |
|
|
1641 | LEAVE; |
|
|
1642 | } |
|
|
1643 | |
|
|
1644 | if (xs_hook) |
|
|
1645 | xs_hook (); |
|
|
1646 | |
1857 | |
1647 | return 1; |
1858 | return 1; |
1648 | } |
1859 | } |
1649 | |
1860 | |
1650 | static int |
1861 | static int |
… | |
… | |
1673 | static void |
1884 | static void |
1674 | prepare_schedule (pTHX_ struct coro_transfer_args *ta) |
1885 | prepare_schedule (pTHX_ struct coro_transfer_args *ta) |
1675 | { |
1886 | { |
1676 | for (;;) |
1887 | for (;;) |
1677 | { |
1888 | { |
1678 | SV *next_sv = coro_deq (aTHX); |
1889 | struct coro *next = coro_deq (aTHX); |
1679 | |
1890 | |
1680 | if (expect_true (next_sv)) |
1891 | if (expect_true (next)) |
1681 | { |
1892 | { |
1682 | struct coro *next = SvSTATE_hv (next_sv); |
|
|
1683 | |
|
|
1684 | /* cannot transfer to destroyed coros, skip and look for next */ |
1893 | /* cannot transfer to destroyed coros, skip and look for next */ |
1685 | if (expect_false (next->flags & CF_DESTROYED)) |
1894 | if (expect_false (next->flags & (CF_ZOMBIE | CF_SUSPENDED))) |
1686 | SvREFCNT_dec (next_sv); /* coro_nready has already been taken care of by destroy */ |
1895 | SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ |
1687 | else |
1896 | else |
1688 | { |
1897 | { |
1689 | next->flags &= ~CF_READY; |
1898 | next->flags &= ~CF_READY; |
1690 | --coro_nready; |
1899 | --coro_nready; |
1691 | |
1900 | |
… | |
… | |
1697 | { |
1906 | { |
1698 | /* nothing to schedule: call the idle handler */ |
1907 | /* nothing to schedule: call the idle handler */ |
1699 | if (SvROK (sv_idle) |
1908 | if (SvROK (sv_idle) |
1700 | && SvOBJECT (SvRV (sv_idle))) |
1909 | && SvOBJECT (SvRV (sv_idle))) |
1701 | { |
1910 | { |
|
|
1911 | if (SvRV (sv_idle) == SvRV (coro_current)) |
|
|
1912 | croak ("FATAL: $Coro::IDLE blocked itself - did you try to block inside an event loop callback? Caught"); |
|
|
1913 | |
1702 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
1914 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
1703 | api_ready (aTHX_ SvRV (sv_idle)); |
1915 | api_ready (aTHX_ SvRV (sv_idle)); |
1704 | --coro_nready; |
1916 | --coro_nready; |
1705 | } |
1917 | } |
1706 | else |
1918 | else |
1707 | { |
1919 | { |
|
|
1920 | /* TODO: deprecated, remove, cannot work reliably *//*D*/ |
1708 | dSP; |
1921 | dSP; |
1709 | |
1922 | |
1710 | ENTER; |
1923 | ENTER; |
1711 | SAVETMPS; |
1924 | SAVETMPS; |
1712 | |
1925 | |
… | |
… | |
1819 | coro->slot->runops = RUNOPS_DEFAULT; |
2032 | coro->slot->runops = RUNOPS_DEFAULT; |
1820 | } |
2033 | } |
1821 | } |
2034 | } |
1822 | |
2035 | |
1823 | static void |
2036 | static void |
|
|
2037 | coro_push_av (pTHX_ AV *av, I32 gimme_v) |
|
|
2038 | { |
|
|
2039 | if (AvFILLp (av) >= 0 && gimme_v != G_VOID) |
|
|
2040 | { |
|
|
2041 | dSP; |
|
|
2042 | |
|
|
2043 | if (gimme_v == G_SCALAR) |
|
|
2044 | XPUSHs (AvARRAY (av)[AvFILLp (av)]); |
|
|
2045 | else |
|
|
2046 | { |
|
|
2047 | int i; |
|
|
2048 | EXTEND (SP, AvFILLp (av) + 1); |
|
|
2049 | |
|
|
2050 | for (i = 0; i <= AvFILLp (av); ++i) |
|
|
2051 | PUSHs (AvARRAY (av)[i]); |
|
|
2052 | } |
|
|
2053 | |
|
|
2054 | PUTBACK; |
|
|
2055 | } |
|
|
2056 | } |
|
|
2057 | |
|
|
2058 | static void |
|
|
2059 | coro_push_on_destroy (aTHX_ struct coro *coro, SV *cb) |
|
|
2060 | { |
|
|
2061 | if (!coro->on_destroy) |
|
|
2062 | coro->on_destroy = newAV (); |
|
|
2063 | |
|
|
2064 | av_push (coro->on_destroy, cb); |
|
|
2065 | } |
|
|
2066 | |
|
|
2067 | static void |
|
|
2068 | slf_destroy_join (pTHX_ struct CoroSLF *frame) |
|
|
2069 | { |
|
|
2070 | SvREFCNT_dec ((SV *)((struct coro *)frame->data)->hv); |
|
|
2071 | } |
|
|
2072 | |
|
|
2073 | static int |
|
|
2074 | slf_check_join (pTHX_ struct CoroSLF *frame) |
|
|
2075 | { |
|
|
2076 | struct coro *coro = (struct coro *)frame->data; |
|
|
2077 | |
|
|
2078 | if (!coro->status) |
|
|
2079 | return 1; |
|
|
2080 | |
|
|
2081 | frame->destroy = 0; |
|
|
2082 | |
|
|
2083 | coro_push_av (coro->status, GIMME_V); |
|
|
2084 | |
|
|
2085 | SvREFCNT_dec ((SV *)coro->hv); |
|
|
2086 | |
|
|
2087 | return 0; |
|
|
2088 | } |
|
|
2089 | |
|
|
2090 | static void |
|
|
2091 | slf_init_join (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2092 | { |
|
|
2093 | struct coro *coro = SvSTATE (items > 0 ? arg [0] : &PL_sv_undef); |
|
|
2094 | |
|
|
2095 | if (items > 1) |
|
|
2096 | croak ("join called with too many arguments"); |
|
|
2097 | |
|
|
2098 | if (coro->status) |
|
|
2099 | frame->prepare = prepare_nop; |
|
|
2100 | else |
|
|
2101 | { |
|
|
2102 | coro_push_on_destroy (aTHX_ coro, SvREFCNT_inc_NN (SvRV (coro_current))); |
|
|
2103 | frame->prepare = prepare_schedule; |
|
|
2104 | } |
|
|
2105 | |
|
|
2106 | frame->check = slf_check_join; |
|
|
2107 | frame->destroy = slf_destroy_join; |
|
|
2108 | frame->data = (void *)coro; |
|
|
2109 | SvREFCNT_inc (coro->hv); |
|
|
2110 | } |
|
|
2111 | |
|
|
2112 | static void |
1824 | coro_call_on_destroy (pTHX_ struct coro *coro) |
2113 | coro_call_on_destroy (pTHX_ struct coro *coro) |
1825 | { |
2114 | { |
1826 | SV **on_destroyp = hv_fetch (coro->hv, "_on_destroy", sizeof ("_on_destroy") - 1, 0); |
2115 | AV *od = coro->on_destroy; |
1827 | SV **statusp = hv_fetch (coro->hv, "_status", sizeof ("_status") - 1, 0); |
|
|
1828 | |
2116 | |
1829 | if (on_destroyp) |
2117 | if (!od) |
1830 | { |
2118 | return; |
1831 | AV *on_destroy = (AV *)SvRV (*on_destroyp); |
|
|
1832 | |
2119 | |
1833 | while (AvFILLp (on_destroy) >= 0) |
2120 | while (AvFILLp (od) >= 0) |
|
|
2121 | { |
|
|
2122 | SV *cb = sv_2mortal (av_pop (od)); |
|
|
2123 | |
|
|
2124 | /* coro hv's (and only hv's at the moment) are supported as well */ |
|
|
2125 | if (SvSTATEhv_p (aTHX_ cb)) |
|
|
2126 | api_ready (aTHX_ cb); |
|
|
2127 | else |
1834 | { |
2128 | { |
1835 | dSP; /* don't disturb outer sp */ |
2129 | dSP; /* don't disturb outer sp */ |
1836 | SV *cb = av_pop (on_destroy); |
|
|
1837 | |
|
|
1838 | PUSHMARK (SP); |
2130 | PUSHMARK (SP); |
1839 | |
2131 | |
1840 | if (statusp) |
2132 | if (coro->status) |
1841 | { |
2133 | { |
1842 | int i; |
2134 | PUTBACK; |
1843 | AV *status = (AV *)SvRV (*statusp); |
2135 | coro_push_av (aTHX_ coro->status, G_ARRAY); |
1844 | EXTEND (SP, AvFILLp (status) + 1); |
2136 | SPAGAIN; |
1845 | |
|
|
1846 | for (i = 0; i <= AvFILLp (status); ++i) |
|
|
1847 | PUSHs (AvARRAY (status)[i]); |
|
|
1848 | } |
2137 | } |
1849 | |
2138 | |
1850 | PUTBACK; |
2139 | PUTBACK; |
1851 | call_sv (sv_2mortal (cb), G_VOID | G_DISCARD); |
2140 | call_sv (cb, G_VOID | G_DISCARD); |
1852 | } |
2141 | } |
1853 | } |
2142 | } |
1854 | } |
2143 | } |
1855 | |
2144 | |
1856 | static void |
2145 | static void |
1857 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2146 | coro_set_status (pTHX_ struct coro *coro, SV **arg, int items) |
1858 | { |
2147 | { |
|
|
2148 | AV *av; |
|
|
2149 | |
|
|
2150 | if (coro->status) |
|
|
2151 | { |
|
|
2152 | av = coro->status; |
|
|
2153 | av_clear (av); |
|
|
2154 | } |
|
|
2155 | else |
|
|
2156 | av = coro->status = newAV (); |
|
|
2157 | |
|
|
2158 | /* items are actually not so common, so optimise for this case */ |
|
|
2159 | if (items) |
|
|
2160 | { |
1859 | int i; |
2161 | int i; |
1860 | HV *hv = (HV *)SvRV (coro_current); |
|
|
1861 | AV *av = newAV (); |
|
|
1862 | |
2162 | |
1863 | av_extend (av, items - 1); |
2163 | av_extend (av, items - 1); |
|
|
2164 | |
1864 | for (i = 0; i < items; ++i) |
2165 | for (i = 0; i < items; ++i) |
1865 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
2166 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
|
|
2167 | } |
|
|
2168 | } |
1866 | |
2169 | |
1867 | hv_store (hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0); |
2170 | static void |
1868 | |
2171 | slf_init_terminate_cancel_common (pTHX_ struct CoroSLF *frame, HV *coro_hv) |
|
|
2172 | { |
1869 | av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */ |
2173 | av_push (av_destroy, (SV *)newRV_inc ((SV *)coro_hv)); /* RVinc for perl */ |
1870 | api_ready (aTHX_ sv_manager); |
2174 | api_ready (aTHX_ sv_manager); |
1871 | |
2175 | |
1872 | frame->prepare = prepare_schedule; |
2176 | frame->prepare = prepare_schedule; |
1873 | frame->check = slf_check_repeat; |
2177 | frame->check = slf_check_repeat; |
1874 | |
2178 | |
1875 | /* as a minor optimisation, we could unwind all stacks here */ |
2179 | /* as a minor optimisation, we could unwind all stacks here */ |
1876 | /* but that puts extra pressure on pp_slf, and is not worth much */ |
2180 | /* but that puts extra pressure on pp_slf, and is not worth much */ |
1877 | /*coro_unwind_stacks (aTHX);*/ |
2181 | /*coro_unwind_stacks (aTHX);*/ |
|
|
2182 | } |
|
|
2183 | |
|
|
2184 | static void |
|
|
2185 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2186 | { |
|
|
2187 | HV *coro_hv = (HV *)SvRV (coro_current); |
|
|
2188 | |
|
|
2189 | coro_set_status (aTHX_ SvSTATE ((SV *)coro_hv), arg, items); |
|
|
2190 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
|
|
2191 | } |
|
|
2192 | |
|
|
2193 | static void |
|
|
2194 | slf_init_cancel (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2195 | { |
|
|
2196 | HV *coro_hv; |
|
|
2197 | struct coro *coro; |
|
|
2198 | |
|
|
2199 | if (items <= 0) |
|
|
2200 | croak ("Coro::cancel called without coro object,"); |
|
|
2201 | |
|
|
2202 | coro = SvSTATE (arg [0]); |
|
|
2203 | coro_hv = coro->hv; |
|
|
2204 | |
|
|
2205 | coro_set_status (aTHX_ coro, arg + 1, items - 1); |
|
|
2206 | |
|
|
2207 | if (expect_false (coro->flags & CF_NOCANCEL)) |
|
|
2208 | { |
|
|
2209 | /* coro currently busy cancelling something, so just notify it */ |
|
|
2210 | coro->slf_frame.data = (void *)coro; |
|
|
2211 | |
|
|
2212 | frame->prepare = prepare_nop; |
|
|
2213 | frame->check = slf_check_nop; |
|
|
2214 | } |
|
|
2215 | else if (coro_hv == (HV *)SvRV (coro_current)) |
|
|
2216 | { |
|
|
2217 | /* cancelling the current coro is allowed, and equals terminate */ |
|
|
2218 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
|
|
2219 | } |
|
|
2220 | else |
|
|
2221 | { |
|
|
2222 | struct coro *self = SvSTATE_current; |
|
|
2223 | |
|
|
2224 | /* otherwise we cancel directly, purely for speed reasons |
|
|
2225 | * unfortunately, this requires some magic trickery, as |
|
|
2226 | * somebody else could cancel us, so we have to fight the cancellation. |
|
|
2227 | * this is ugly, and hopefully fully worth the extra speed. |
|
|
2228 | * besides, I can't get the slow-but-safe version working... |
|
|
2229 | */ |
|
|
2230 | slf_frame.data = 0; |
|
|
2231 | self->flags |= CF_NOCANCEL; |
|
|
2232 | coro_state_destroy (aTHX_ coro); |
|
|
2233 | self->flags &= ~CF_NOCANCEL; |
|
|
2234 | |
|
|
2235 | if (slf_frame.data) |
|
|
2236 | { |
|
|
2237 | /* while we were busy we have been cancelled, so terminate */ |
|
|
2238 | slf_init_terminate_cancel_common (aTHX_ frame, self->hv); |
|
|
2239 | } |
|
|
2240 | else |
|
|
2241 | { |
|
|
2242 | frame->prepare = prepare_nop; |
|
|
2243 | frame->check = slf_check_nop; |
|
|
2244 | } |
|
|
2245 | } |
|
|
2246 | } |
|
|
2247 | |
|
|
2248 | static int |
|
|
2249 | slf_check_safe_cancel (pTHX_ struct CoroSLF *frame) |
|
|
2250 | { |
|
|
2251 | frame->prepare = 0; |
|
|
2252 | coro_unwind_stacks (aTHX); |
|
|
2253 | |
|
|
2254 | slf_init_terminate_cancel_common (aTHX_ frame, (HV *)SvRV (coro_current)); |
|
|
2255 | |
|
|
2256 | return 1; |
|
|
2257 | } |
|
|
2258 | |
|
|
2259 | static int |
|
|
2260 | safe_cancel (pTHX_ struct coro *coro, SV **arg, int items) |
|
|
2261 | { |
|
|
2262 | if (coro->cctx) |
|
|
2263 | croak ("coro inside C callback, unable to cancel at this time, caught"); |
|
|
2264 | |
|
|
2265 | if (coro->flags & CF_NEW) |
|
|
2266 | { |
|
|
2267 | coro_set_status (aTHX_ coro, arg, items); |
|
|
2268 | coro_state_destroy (aTHX_ coro); |
|
|
2269 | } |
|
|
2270 | else |
|
|
2271 | { |
|
|
2272 | if (!coro->slf_frame.prepare) |
|
|
2273 | croak ("coro outside an SLF function, unable to cancel at this time, caught"); |
|
|
2274 | |
|
|
2275 | slf_destroy (aTHX_ coro); |
|
|
2276 | |
|
|
2277 | coro_set_status (aTHX_ coro, arg, items); |
|
|
2278 | coro->slf_frame.prepare = prepare_nop; |
|
|
2279 | coro->slf_frame.check = slf_check_safe_cancel; |
|
|
2280 | |
|
|
2281 | api_ready (aTHX_ (SV *)coro->hv); |
|
|
2282 | } |
|
|
2283 | |
|
|
2284 | return 1; |
1878 | } |
2285 | } |
1879 | |
2286 | |
1880 | /*****************************************************************************/ |
2287 | /*****************************************************************************/ |
1881 | /* async pool handler */ |
2288 | /* async pool handler */ |
1882 | |
2289 | |
… | |
… | |
1922 | coro->saved_deffh = 0; |
2329 | coro->saved_deffh = 0; |
1923 | |
2330 | |
1924 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
2331 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
1925 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
2332 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
1926 | { |
2333 | { |
1927 | coro->invoke_cb = SvREFCNT_inc_NN ((SV *)cv_coro_terminate); |
2334 | slf_init_terminate_cancel_common (aTHX_ frame, hv); |
1928 | coro->invoke_av = newAV (); |
2335 | return; |
1929 | |
|
|
1930 | frame->prepare = prepare_nop; |
|
|
1931 | } |
2336 | } |
1932 | else |
2337 | else |
1933 | { |
2338 | { |
1934 | av_clear (GvAV (PL_defgv)); |
2339 | av_clear (GvAV (PL_defgv)); |
1935 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
2340 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
… | |
… | |
1960 | |
2365 | |
1961 | static void |
2366 | static void |
1962 | coro_rouse_callback (pTHX_ CV *cv) |
2367 | coro_rouse_callback (pTHX_ CV *cv) |
1963 | { |
2368 | { |
1964 | dXSARGS; |
2369 | dXSARGS; |
1965 | SV *data = (SV *)GENSUB_ARG; |
2370 | SV *data = (SV *)S_GENSUB_ARG; |
1966 | |
2371 | |
1967 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2372 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
1968 | { |
2373 | { |
1969 | /* first call, set args */ |
2374 | /* first call, set args */ |
|
|
2375 | SV *coro = SvRV (data); |
1970 | AV *av = newAV (); |
2376 | AV *av = newAV (); |
1971 | SV *coro = SvRV (data); |
|
|
1972 | |
2377 | |
1973 | SvRV_set (data, (SV *)av); |
2378 | SvRV_set (data, (SV *)av); |
1974 | api_ready (aTHX_ coro); |
|
|
1975 | SvREFCNT_dec (coro); |
|
|
1976 | |
2379 | |
1977 | /* better take a full copy of the arguments */ |
2380 | /* better take a full copy of the arguments */ |
1978 | while (items--) |
2381 | while (items--) |
1979 | av_store (av, items, newSVsv (ST (items))); |
2382 | av_store (av, items, newSVsv (ST (items))); |
|
|
2383 | |
|
|
2384 | api_ready (aTHX_ coro); |
|
|
2385 | SvREFCNT_dec (coro); |
1980 | } |
2386 | } |
1981 | |
2387 | |
1982 | XSRETURN_EMPTY; |
2388 | XSRETURN_EMPTY; |
1983 | } |
2389 | } |
1984 | |
2390 | |
… | |
… | |
2001 | |
2407 | |
2002 | EXTEND (SP, AvFILLp (av) + 1); |
2408 | EXTEND (SP, AvFILLp (av) + 1); |
2003 | for (i = 0; i <= AvFILLp (av); ++i) |
2409 | for (i = 0; i <= AvFILLp (av); ++i) |
2004 | PUSHs (sv_2mortal (AvARRAY (av)[i])); |
2410 | PUSHs (sv_2mortal (AvARRAY (av)[i])); |
2005 | |
2411 | |
2006 | /* we have stolen the elements, so ste length to zero and free */ |
2412 | /* we have stolen the elements, so set length to zero and free */ |
2007 | AvFILLp (av) = -1; |
2413 | AvFILLp (av) = -1; |
2008 | av_undef (av); |
2414 | av_undef (av); |
2009 | |
2415 | |
2010 | PUTBACK; |
2416 | PUTBACK; |
2011 | } |
2417 | } |
… | |
… | |
2035 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2441 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2036 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2442 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2037 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2443 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2038 | |
2444 | |
2039 | { |
2445 | { |
2040 | CV *cv = (CV *)SvRV (cb); /* for GENSUB_ARG */ |
2446 | CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ |
2041 | SV *data = (SV *)GENSUB_ARG; |
2447 | SV *data = (SV *)S_GENSUB_ARG; |
2042 | |
2448 | |
2043 | frame->data = (void *)data; |
2449 | frame->data = (void *)data; |
2044 | frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule; |
2450 | frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule; |
2045 | frame->check = slf_check_rouse_wait; |
2451 | frame->check = slf_check_rouse_wait; |
2046 | } |
2452 | } |
… | |
… | |
2050 | coro_new_rouse_cb (pTHX) |
2456 | coro_new_rouse_cb (pTHX) |
2051 | { |
2457 | { |
2052 | HV *hv = (HV *)SvRV (coro_current); |
2458 | HV *hv = (HV *)SvRV (coro_current); |
2053 | struct coro *coro = SvSTATE_hv (hv); |
2459 | struct coro *coro = SvSTATE_hv (hv); |
2054 | SV *data = newRV_inc ((SV *)hv); |
2460 | SV *data = newRV_inc ((SV *)hv); |
2055 | SV *cb = gensub (aTHX_ coro_rouse_callback, (void *)data); |
2461 | SV *cb = s_gensub (aTHX_ coro_rouse_callback, (void *)data); |
2056 | |
2462 | |
2057 | sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0); |
2463 | sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0); |
2058 | SvREFCNT_dec (data); /* magicext increases the refcount */ |
2464 | SvREFCNT_dec (data); /* magicext increases the refcount */ |
2059 | |
2465 | |
2060 | SvREFCNT_dec (coro->rouse_cb); |
2466 | SvREFCNT_dec (coro->rouse_cb); |
… | |
… | |
2157 | static void |
2563 | static void |
2158 | slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2564 | slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2159 | { |
2565 | { |
2160 | frame->prepare = prepare_cede_notself; |
2566 | frame->prepare = prepare_cede_notself; |
2161 | frame->check = slf_check_nop; |
2567 | frame->check = slf_check_nop; |
|
|
2568 | } |
|
|
2569 | |
|
|
2570 | /* "undo"/cancel a running slf call - used when cancelling a coro, mainly */ |
|
|
2571 | static void |
|
|
2572 | slf_destroy (pTHX_ struct coro *coro) |
|
|
2573 | { |
|
|
2574 | /* this callback is reserved for slf functions needing to do cleanup */ |
|
|
2575 | if (coro->slf_frame.destroy && coro->slf_frame.prepare && !PL_dirty) |
|
|
2576 | coro->slf_frame.destroy (aTHX_ &coro->slf_frame); |
|
|
2577 | |
|
|
2578 | /* |
|
|
2579 | * The on_destroy above most likely is from an SLF call. |
|
|
2580 | * Since by definition the SLF call will not finish when we destroy |
|
|
2581 | * the coro, we will have to force-finish it here, otherwise |
|
|
2582 | * cleanup functions cannot call SLF functions. |
|
|
2583 | */ |
|
|
2584 | coro->slf_frame.prepare = 0; |
2162 | } |
2585 | } |
2163 | |
2586 | |
2164 | /* |
2587 | /* |
2165 | * these not obviously related functions are all rolled into one |
2588 | * these not obviously related functions are all rolled into one |
2166 | * function to increase chances that they all will call transfer with the same |
2589 | * function to increase chances that they all will call transfer with the same |
… | |
… | |
2235 | croak (0); |
2658 | croak (0); |
2236 | } |
2659 | } |
2237 | |
2660 | |
2238 | /* return value handling - mostly like entersub */ |
2661 | /* return value handling - mostly like entersub */ |
2239 | /* make sure we put something on the stack in scalar context */ |
2662 | /* make sure we put something on the stack in scalar context */ |
2240 | if (GIMME_V == G_SCALAR) |
2663 | if (GIMME_V == G_SCALAR |
|
|
2664 | && expect_false (PL_stack_sp != PL_stack_base + checkmark + 1)) |
2241 | { |
2665 | { |
2242 | dSP; |
2666 | dSP; |
2243 | SV **bot = PL_stack_base + checkmark; |
2667 | SV **bot = PL_stack_base + checkmark; |
2244 | |
2668 | |
2245 | if (sp == bot) /* too few, push undef */ |
2669 | if (sp == bot) /* too few, push undef */ |
2246 | bot [1] = &PL_sv_undef; |
2670 | bot [1] = &PL_sv_undef; |
2247 | else if (sp != bot + 1) /* too many, take last one */ |
2671 | else /* too many, take last one */ |
2248 | bot [1] = *sp; |
2672 | bot [1] = *sp; |
2249 | |
2673 | |
2250 | SP = bot + 1; |
2674 | SP = bot + 1; |
2251 | |
2675 | |
2252 | PUTBACK; |
2676 | PUTBACK; |
… | |
… | |
2285 | if (PL_op->op_flags & OPf_STACKED) |
2709 | if (PL_op->op_flags & OPf_STACKED) |
2286 | { |
2710 | { |
2287 | if (items > slf_arga) |
2711 | if (items > slf_arga) |
2288 | { |
2712 | { |
2289 | slf_arga = items; |
2713 | slf_arga = items; |
2290 | free (slf_argv); |
2714 | Safefree (slf_argv); |
2291 | slf_argv = malloc (slf_arga * sizeof (SV *)); |
2715 | New (0, slf_argv, slf_arga, SV *); |
2292 | } |
2716 | } |
2293 | |
2717 | |
2294 | slf_argc = items; |
2718 | slf_argc = items; |
2295 | |
2719 | |
2296 | for (i = 0; i < items; ++i) |
2720 | for (i = 0; i < items; ++i) |
… | |
… | |
2301 | |
2725 | |
2302 | PL_op->op_ppaddr = pp_slf; |
2726 | PL_op->op_ppaddr = pp_slf; |
2303 | /*PL_op->op_type = OP_CUSTOM; /* we do behave like entersub still */ |
2727 | /*PL_op->op_type = OP_CUSTOM; /* we do behave like entersub still */ |
2304 | |
2728 | |
2305 | PL_op = (OP *)&slf_restore; |
2729 | PL_op = (OP *)&slf_restore; |
|
|
2730 | } |
|
|
2731 | |
|
|
2732 | /*****************************************************************************/ |
|
|
2733 | /* dynamic wind */ |
|
|
2734 | |
|
|
2735 | static void |
|
|
2736 | on_enterleave_call (pTHX_ SV *cb) |
|
|
2737 | { |
|
|
2738 | dSP; |
|
|
2739 | |
|
|
2740 | PUSHSTACK; |
|
|
2741 | |
|
|
2742 | PUSHMARK (SP); |
|
|
2743 | PUTBACK; |
|
|
2744 | call_sv (cb, G_VOID | G_DISCARD); |
|
|
2745 | SPAGAIN; |
|
|
2746 | |
|
|
2747 | POPSTACK; |
|
|
2748 | } |
|
|
2749 | |
|
|
2750 | static SV * |
|
|
2751 | coro_avp_pop_and_free (pTHX_ AV **avp) |
|
|
2752 | { |
|
|
2753 | AV *av = *avp; |
|
|
2754 | SV *res = av_pop (av); |
|
|
2755 | |
|
|
2756 | if (AvFILLp (av) < 0) |
|
|
2757 | { |
|
|
2758 | *avp = 0; |
|
|
2759 | SvREFCNT_dec (av); |
|
|
2760 | } |
|
|
2761 | |
|
|
2762 | return res; |
|
|
2763 | } |
|
|
2764 | |
|
|
2765 | static void |
|
|
2766 | coro_pop_on_enter (pTHX_ void *coro) |
|
|
2767 | { |
|
|
2768 | SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_enter); |
|
|
2769 | SvREFCNT_dec (cb); |
|
|
2770 | } |
|
|
2771 | |
|
|
2772 | static void |
|
|
2773 | coro_pop_on_leave (pTHX_ void *coro) |
|
|
2774 | { |
|
|
2775 | SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_leave); |
|
|
2776 | on_enterleave_call (aTHX_ sv_2mortal (cb)); |
2306 | } |
2777 | } |
2307 | |
2778 | |
2308 | /*****************************************************************************/ |
2779 | /*****************************************************************************/ |
2309 | /* PerlIO::cede */ |
2780 | /* PerlIO::cede */ |
2310 | |
2781 | |
… | |
… | |
2384 | /* Coro::Semaphore & Coro::Signal */ |
2855 | /* Coro::Semaphore & Coro::Signal */ |
2385 | |
2856 | |
2386 | static SV * |
2857 | static SV * |
2387 | coro_waitarray_new (pTHX_ int count) |
2858 | coro_waitarray_new (pTHX_ int count) |
2388 | { |
2859 | { |
2389 | /* a semaphore contains a counter IV in $sem->[0] and any waiters after that */ |
2860 | /* a waitarray=semaphore contains a counter IV in $sem->[0] and any waiters after that */ |
2390 | AV *av = newAV (); |
2861 | AV *av = newAV (); |
2391 | SV **ary; |
2862 | SV **ary; |
2392 | |
2863 | |
2393 | /* unfortunately, building manually saves memory */ |
2864 | /* unfortunately, building manually saves memory */ |
2394 | Newx (ary, 2, SV *); |
2865 | Newx (ary, 2, SV *); |
… | |
… | |
2445 | SvREFCNT_dec (cb); |
2916 | SvREFCNT_dec (cb); |
2446 | } |
2917 | } |
2447 | } |
2918 | } |
2448 | |
2919 | |
2449 | static void |
2920 | static void |
2450 | coro_semaphore_on_destroy (pTHX_ struct coro *coro) |
2921 | coro_semaphore_destroy (pTHX_ struct CoroSLF *frame) |
2451 | { |
2922 | { |
2452 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
2923 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
2453 | coro_semaphore_adjust (aTHX_ (AV *)coro->slf_frame.data, 0); |
2924 | coro_semaphore_adjust (aTHX_ (AV *)frame->data, 0); |
2454 | } |
2925 | } |
2455 | |
2926 | |
2456 | static int |
2927 | static int |
2457 | slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire) |
2928 | slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire) |
2458 | { |
2929 | { |
2459 | AV *av = (AV *)frame->data; |
2930 | AV *av = (AV *)frame->data; |
2460 | SV *count_sv = AvARRAY (av)[0]; |
2931 | SV *count_sv = AvARRAY (av)[0]; |
|
|
2932 | SV *coro_hv = SvRV (coro_current); |
2461 | |
2933 | |
2462 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2934 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2463 | if (CORO_THROW) |
2935 | if (CORO_THROW) |
2464 | return 0; |
2936 | return 0; |
2465 | else if (SvIVX (count_sv) > 0) |
2937 | else if (SvIVX (count_sv) > 0) |
2466 | { |
2938 | { |
2467 | SvSTATE_current->on_destroy = 0; |
2939 | frame->destroy = 0; |
2468 | |
2940 | |
2469 | if (acquire) |
2941 | if (acquire) |
2470 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2942 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2471 | else |
2943 | else |
2472 | coro_semaphore_adjust (aTHX_ av, 0); |
2944 | coro_semaphore_adjust (aTHX_ av, 0); |
… | |
… | |
2477 | { |
2949 | { |
2478 | int i; |
2950 | int i; |
2479 | /* if we were woken up but can't down, we look through the whole */ |
2951 | /* if we were woken up but can't down, we look through the whole */ |
2480 | /* waiters list and only add us if we aren't in there already */ |
2952 | /* waiters list and only add us if we aren't in there already */ |
2481 | /* this avoids some degenerate memory usage cases */ |
2953 | /* this avoids some degenerate memory usage cases */ |
2482 | |
2954 | for (i = AvFILLp (av); i > 0; --i) // i > 0 is not an off-by-one bug |
2483 | for (i = 1; i <= AvFILLp (av); ++i) |
|
|
2484 | if (AvARRAY (av)[i] == SvRV (coro_current)) |
2955 | if (AvARRAY (av)[i] == coro_hv) |
2485 | return 1; |
2956 | return 1; |
2486 | |
2957 | |
2487 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2958 | av_push (av, SvREFCNT_inc (coro_hv)); |
2488 | return 1; |
2959 | return 1; |
2489 | } |
2960 | } |
2490 | } |
2961 | } |
2491 | |
2962 | |
2492 | static int |
2963 | static int |
… | |
… | |
2515 | { |
2986 | { |
2516 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2987 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2517 | |
2988 | |
2518 | frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); |
2989 | frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); |
2519 | frame->prepare = prepare_schedule; |
2990 | frame->prepare = prepare_schedule; |
2520 | |
|
|
2521 | /* to avoid race conditions when a woken-up coro gets terminated */ |
2991 | /* to avoid race conditions when a woken-up coro gets terminated */ |
2522 | /* we arrange for a temporary on_destroy that calls adjust (0) */ |
2992 | /* we arrange for a temporary on_destroy that calls adjust (0) */ |
2523 | SvSTATE_current->on_destroy = coro_semaphore_on_destroy; |
2993 | frame->destroy = coro_semaphore_destroy; |
2524 | } |
2994 | } |
2525 | } |
2995 | } |
2526 | |
2996 | |
2527 | static void |
2997 | static void |
2528 | slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2998 | slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
… | |
… | |
2536 | { |
3006 | { |
2537 | if (items >= 2) |
3007 | if (items >= 2) |
2538 | { |
3008 | { |
2539 | /* callback form */ |
3009 | /* callback form */ |
2540 | AV *av = (AV *)SvRV (arg [0]); |
3010 | AV *av = (AV *)SvRV (arg [0]); |
2541 | CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]); |
3011 | SV *cb_cv = s_get_cv_croak (arg [1]); |
2542 | |
3012 | |
2543 | av_push (av, (SV *)SvREFCNT_inc_NN (cb_cv)); |
3013 | av_push (av, SvREFCNT_inc_NN (cb_cv)); |
2544 | |
3014 | |
2545 | if (SvIVX (AvARRAY (av)[0]) > 0) |
3015 | if (SvIVX (AvARRAY (av)[0]) > 0) |
2546 | coro_semaphore_adjust (aTHX_ av, 0); |
3016 | coro_semaphore_adjust (aTHX_ av, 0); |
2547 | |
3017 | |
2548 | frame->prepare = prepare_nop; |
3018 | frame->prepare = prepare_nop; |
… | |
… | |
2572 | AvARRAY (av)[0] = AvARRAY (av)[1]; |
3042 | AvARRAY (av)[0] = AvARRAY (av)[1]; |
2573 | AvARRAY (av)[1] = cb; |
3043 | AvARRAY (av)[1] = cb; |
2574 | |
3044 | |
2575 | cb = av_shift (av); |
3045 | cb = av_shift (av); |
2576 | |
3046 | |
|
|
3047 | if (SvTYPE (cb) == SVt_PVCV) |
|
|
3048 | { |
|
|
3049 | dSP; |
|
|
3050 | PUSHMARK (SP); |
|
|
3051 | XPUSHs (sv_2mortal (newRV_inc ((SV *)av))); |
|
|
3052 | PUTBACK; |
|
|
3053 | call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR); |
|
|
3054 | } |
|
|
3055 | else |
|
|
3056 | { |
2577 | api_ready (aTHX_ cb); |
3057 | api_ready (aTHX_ cb); |
2578 | sv_setiv (cb, 0); /* signal waiter */ |
3058 | sv_setiv (cb, 0); /* signal waiter */ |
|
|
3059 | } |
|
|
3060 | |
2579 | SvREFCNT_dec (cb); |
3061 | SvREFCNT_dec (cb); |
2580 | |
3062 | |
2581 | --count; |
3063 | --count; |
2582 | } |
3064 | } |
2583 | } |
3065 | } |
… | |
… | |
2592 | static void |
3074 | static void |
2593 | slf_init_signal_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
3075 | slf_init_signal_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2594 | { |
3076 | { |
2595 | AV *av = (AV *)SvRV (arg [0]); |
3077 | AV *av = (AV *)SvRV (arg [0]); |
2596 | |
3078 | |
|
|
3079 | if (items >= 2) |
|
|
3080 | { |
|
|
3081 | SV *cb_cv = s_get_cv_croak (arg [1]); |
|
|
3082 | av_push (av, SvREFCNT_inc_NN (cb_cv)); |
|
|
3083 | |
2597 | if (SvIVX (AvARRAY (av)[0])) |
3084 | if (SvIVX (AvARRAY (av)[0])) |
|
|
3085 | coro_signal_wake (aTHX_ av, 1); /* must be the only waiter */ |
|
|
3086 | |
|
|
3087 | frame->prepare = prepare_nop; |
|
|
3088 | frame->check = slf_check_nop; |
|
|
3089 | } |
|
|
3090 | else if (SvIVX (AvARRAY (av)[0])) |
2598 | { |
3091 | { |
2599 | SvIVX (AvARRAY (av)[0]) = 0; |
3092 | SvIVX (AvARRAY (av)[0]) = 0; |
2600 | frame->prepare = prepare_nop; |
3093 | frame->prepare = prepare_nop; |
2601 | frame->check = slf_check_nop; |
3094 | frame->check = slf_check_nop; |
2602 | } |
3095 | } |
2603 | else |
3096 | else |
2604 | { |
3097 | { |
2605 | SV *waiter = newRV_inc (SvRV (coro_current)); /* owned by signal av */ |
3098 | SV *waiter = newSVsv (coro_current); /* owned by signal av */ |
2606 | |
3099 | |
2607 | av_push (av, waiter); |
3100 | av_push (av, waiter); |
2608 | |
3101 | |
2609 | frame->data = (void *)sv_2mortal (SvREFCNT_inc_NN (waiter)); /* owned by process */ |
3102 | frame->data = (void *)sv_2mortal (SvREFCNT_inc_NN (waiter)); /* owned by process */ |
2610 | frame->prepare = prepare_schedule; |
3103 | frame->prepare = prepare_schedule; |
… | |
… | |
2628 | |
3121 | |
2629 | static void |
3122 | static void |
2630 | coro_aio_callback (pTHX_ CV *cv) |
3123 | coro_aio_callback (pTHX_ CV *cv) |
2631 | { |
3124 | { |
2632 | dXSARGS; |
3125 | dXSARGS; |
2633 | AV *state = (AV *)GENSUB_ARG; |
3126 | AV *state = (AV *)S_GENSUB_ARG; |
2634 | SV *coro = av_pop (state); |
3127 | SV *coro = av_pop (state); |
2635 | SV *data_sv = newSV (sizeof (struct io_state)); |
3128 | SV *data_sv = newSV (sizeof (struct io_state)); |
2636 | |
3129 | |
2637 | av_extend (state, items - 1); |
3130 | av_extend (state, items - 1); |
2638 | |
3131 | |
… | |
… | |
2752 | |
3245 | |
2753 | for (i = 0; i < items; ++i) |
3246 | for (i = 0; i < items; ++i) |
2754 | PUSHs (arg [i]); |
3247 | PUSHs (arg [i]); |
2755 | |
3248 | |
2756 | /* now push the callback closure */ |
3249 | /* now push the callback closure */ |
2757 | PUSHs (sv_2mortal (gensub (aTHX_ coro_aio_callback, (void *)SvREFCNT_inc_NN ((SV *)state)))); |
3250 | PUSHs (sv_2mortal (s_gensub (aTHX_ coro_aio_callback, (void *)SvREFCNT_inc_NN ((SV *)state)))); |
2758 | |
3251 | |
2759 | /* now call the AIO function - we assume our request is uncancelable */ |
3252 | /* now call the AIO function - we assume our request is uncancelable */ |
2760 | PUTBACK; |
3253 | PUTBACK; |
2761 | call_sv ((SV *)req, G_VOID | G_DISCARD); |
3254 | call_sv ((SV *)req, G_VOID | G_DISCARD); |
2762 | } |
3255 | } |
2763 | |
3256 | |
2764 | /* now that the requets is going, we loop toll we have a result */ |
3257 | /* now that the request is going, we loop till we have a result */ |
2765 | frame->data = (void *)state; |
3258 | frame->data = (void *)state; |
2766 | frame->prepare = prepare_schedule; |
3259 | frame->prepare = prepare_schedule; |
2767 | frame->check = slf_check_aio_req; |
3260 | frame->check = slf_check_aio_req; |
2768 | } |
3261 | } |
2769 | |
3262 | |
… | |
… | |
2780 | /*****************************************************************************/ |
3273 | /*****************************************************************************/ |
2781 | |
3274 | |
2782 | #if CORO_CLONE |
3275 | #if CORO_CLONE |
2783 | # include "clone.c" |
3276 | # include "clone.c" |
2784 | #endif |
3277 | #endif |
|
|
3278 | |
|
|
3279 | /*****************************************************************************/ |
|
|
3280 | |
|
|
3281 | static SV * |
|
|
3282 | coro_new (pTHX_ HV *stash, SV **argv, int argc, int is_coro) |
|
|
3283 | { |
|
|
3284 | SV *coro_sv; |
|
|
3285 | struct coro *coro; |
|
|
3286 | MAGIC *mg; |
|
|
3287 | HV *hv; |
|
|
3288 | SV *cb; |
|
|
3289 | int i; |
|
|
3290 | |
|
|
3291 | if (argc > 0) |
|
|
3292 | { |
|
|
3293 | cb = s_get_cv_croak (argv [0]); |
|
|
3294 | |
|
|
3295 | if (!is_coro) |
|
|
3296 | { |
|
|
3297 | if (CvISXSUB (cb)) |
|
|
3298 | croak ("Coro::State doesn't support XS functions as coroutine start, caught"); |
|
|
3299 | |
|
|
3300 | if (!CvROOT (cb)) |
|
|
3301 | croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught"); |
|
|
3302 | } |
|
|
3303 | } |
|
|
3304 | |
|
|
3305 | Newz (0, coro, 1, struct coro); |
|
|
3306 | coro->args = newAV (); |
|
|
3307 | coro->flags = CF_NEW; |
|
|
3308 | |
|
|
3309 | if (coro_first) coro_first->prev = coro; |
|
|
3310 | coro->next = coro_first; |
|
|
3311 | coro_first = coro; |
|
|
3312 | |
|
|
3313 | coro->hv = hv = newHV (); |
|
|
3314 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
|
|
3315 | mg->mg_flags |= MGf_DUP; |
|
|
3316 | coro_sv = sv_bless (newRV_noinc ((SV *)hv), stash); |
|
|
3317 | |
|
|
3318 | if (argc > 0) |
|
|
3319 | { |
|
|
3320 | av_extend (coro->args, argc + is_coro - 1); |
|
|
3321 | |
|
|
3322 | if (is_coro) |
|
|
3323 | { |
|
|
3324 | av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb)); |
|
|
3325 | cb = (SV *)cv_coro_run; |
|
|
3326 | } |
|
|
3327 | |
|
|
3328 | coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb); |
|
|
3329 | |
|
|
3330 | for (i = 1; i < argc; i++) |
|
|
3331 | av_push (coro->args, newSVsv (argv [i])); |
|
|
3332 | } |
|
|
3333 | |
|
|
3334 | return coro_sv; |
|
|
3335 | } |
2785 | |
3336 | |
2786 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
3337 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
2787 | |
3338 | |
2788 | PROTOTYPES: DISABLE |
3339 | PROTOTYPES: DISABLE |
2789 | |
3340 | |
… | |
… | |
2842 | coroapi.prepare_nop = prepare_nop; |
3393 | coroapi.prepare_nop = prepare_nop; |
2843 | coroapi.prepare_schedule = prepare_schedule; |
3394 | coroapi.prepare_schedule = prepare_schedule; |
2844 | coroapi.prepare_cede = prepare_cede; |
3395 | coroapi.prepare_cede = prepare_cede; |
2845 | coroapi.prepare_cede_notself = prepare_cede_notself; |
3396 | coroapi.prepare_cede_notself = prepare_cede_notself; |
2846 | |
3397 | |
2847 | { |
3398 | time_init (aTHX); |
2848 | SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
|
|
2849 | |
3399 | |
2850 | if (!svp) croak ("Time::HiRes is required"); |
|
|
2851 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer"); |
|
|
2852 | |
|
|
2853 | nvtime = INT2PTR (double (*)(), SvIV (*svp)); |
|
|
2854 | } |
|
|
2855 | |
|
|
2856 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
3400 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
2857 | } |
3401 | } |
2858 | |
3402 | |
2859 | SV * |
3403 | SV * |
2860 | new (char *klass, ...) |
3404 | new (SV *klass, ...) |
2861 | ALIAS: |
3405 | ALIAS: |
2862 | Coro::new = 1 |
3406 | Coro::new = 1 |
2863 | CODE: |
3407 | CODE: |
2864 | { |
3408 | RETVAL = coro_new (aTHX_ ix ? coro_stash : coro_state_stash, &ST (1), items - 1, ix); |
2865 | struct coro *coro; |
3409 | OUTPUT: |
2866 | MAGIC *mg; |
|
|
2867 | HV *hv; |
|
|
2868 | CV *cb; |
|
|
2869 | int i; |
|
|
2870 | |
|
|
2871 | if (items > 1) |
|
|
2872 | { |
|
|
2873 | cb = coro_sv_2cv (aTHX_ ST (1)); |
|
|
2874 | |
|
|
2875 | if (!ix) |
|
|
2876 | { |
|
|
2877 | if (CvISXSUB (cb)) |
|
|
2878 | croak ("Coro::State doesn't support XS functions as coroutine start, caught"); |
|
|
2879 | |
|
|
2880 | if (!CvROOT (cb)) |
|
|
2881 | croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught"); |
|
|
2882 | } |
|
|
2883 | } |
|
|
2884 | |
|
|
2885 | Newz (0, coro, 1, struct coro); |
|
|
2886 | coro->args = newAV (); |
|
|
2887 | coro->flags = CF_NEW; |
|
|
2888 | |
|
|
2889 | if (coro_first) coro_first->prev = coro; |
|
|
2890 | coro->next = coro_first; |
|
|
2891 | coro_first = coro; |
|
|
2892 | |
|
|
2893 | coro->hv = hv = newHV (); |
|
|
2894 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
|
|
2895 | mg->mg_flags |= MGf_DUP; |
|
|
2896 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
|
|
2897 | |
|
|
2898 | if (items > 1) |
|
|
2899 | { |
|
|
2900 | av_extend (coro->args, items - 1 + ix - 1); |
|
|
2901 | |
|
|
2902 | if (ix) |
|
|
2903 | { |
|
|
2904 | av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb)); |
|
|
2905 | cb = cv_coro_run; |
|
|
2906 | } |
|
|
2907 | |
|
|
2908 | coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb); |
|
|
2909 | |
|
|
2910 | for (i = 2; i < items; i++) |
|
|
2911 | av_push (coro->args, newSVsv (ST (i))); |
|
|
2912 | } |
|
|
2913 | } |
|
|
2914 | OUTPUT: |
|
|
2915 | RETVAL |
3410 | RETVAL |
2916 | |
3411 | |
2917 | void |
3412 | void |
2918 | transfer (...) |
3413 | transfer (...) |
2919 | PROTOTYPE: $$ |
3414 | PROTOTYPE: $$ |
2920 | CODE: |
3415 | CODE: |
2921 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3416 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
2922 | |
|
|
2923 | bool |
|
|
2924 | _destroy (SV *coro_sv) |
|
|
2925 | CODE: |
|
|
2926 | RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv)); |
|
|
2927 | OUTPUT: |
|
|
2928 | RETVAL |
|
|
2929 | |
3417 | |
2930 | void |
3418 | void |
2931 | _exit (int code) |
3419 | _exit (int code) |
2932 | PROTOTYPE: $ |
3420 | PROTOTYPE: $ |
2933 | CODE: |
3421 | CODE: |
… | |
… | |
3008 | eval = 1 |
3496 | eval = 1 |
3009 | CODE: |
3497 | CODE: |
3010 | { |
3498 | { |
3011 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
3499 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
3012 | { |
3500 | { |
3013 | struct coro temp; |
3501 | struct coro *current = SvSTATE_current; |
|
|
3502 | struct CoroSLF slf_save; |
3014 | |
3503 | |
3015 | if (!(coro->flags & CF_RUNNING)) |
3504 | if (current != coro) |
3016 | { |
3505 | { |
3017 | PUTBACK; |
3506 | PUTBACK; |
3018 | save_perl (aTHX_ &temp); |
3507 | save_perl (aTHX_ current); |
3019 | load_perl (aTHX_ coro); |
3508 | load_perl (aTHX_ coro); |
|
|
3509 | /* the coro is most likely in an active SLF call. |
|
|
3510 | * while not strictly required (the code we execute is |
|
|
3511 | * not allowed to call any SLF functions), it's cleaner |
|
|
3512 | * to reinitialise the slf_frame and restore it later. |
|
|
3513 | * This might one day allow us to actually do SLF calls |
|
|
3514 | * from code executed here. |
|
|
3515 | */ |
|
|
3516 | slf_save = slf_frame; |
|
|
3517 | slf_frame.prepare = 0; |
|
|
3518 | SPAGAIN; |
3020 | } |
3519 | } |
3021 | |
3520 | |
3022 | { |
|
|
3023 | dSP; |
|
|
3024 | ENTER; |
|
|
3025 | SAVETMPS; |
|
|
3026 | PUTBACK; |
|
|
3027 | PUSHSTACK; |
3521 | PUSHSTACK; |
|
|
3522 | |
3028 | PUSHMARK (SP); |
3523 | PUSHMARK (SP); |
|
|
3524 | PUTBACK; |
3029 | |
3525 | |
3030 | if (ix) |
3526 | if (ix) |
3031 | eval_sv (coderef, 0); |
3527 | eval_sv (coderef, 0); |
3032 | else |
3528 | else |
3033 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
3529 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
3034 | |
3530 | |
3035 | POPSTACK; |
3531 | POPSTACK; |
3036 | SPAGAIN; |
3532 | SPAGAIN; |
3037 | FREETMPS; |
|
|
3038 | LEAVE; |
|
|
3039 | PUTBACK; |
|
|
3040 | } |
|
|
3041 | |
3533 | |
3042 | if (!(coro->flags & CF_RUNNING)) |
3534 | if (current != coro) |
3043 | { |
3535 | { |
|
|
3536 | PUTBACK; |
|
|
3537 | slf_frame = slf_save; |
3044 | save_perl (aTHX_ coro); |
3538 | save_perl (aTHX_ coro); |
3045 | load_perl (aTHX_ &temp); |
3539 | load_perl (aTHX_ current); |
3046 | SPAGAIN; |
3540 | SPAGAIN; |
3047 | } |
3541 | } |
3048 | } |
3542 | } |
3049 | } |
3543 | } |
3050 | |
3544 | |
… | |
… | |
3053 | PROTOTYPE: $ |
3547 | PROTOTYPE: $ |
3054 | ALIAS: |
3548 | ALIAS: |
3055 | is_ready = CF_READY |
3549 | is_ready = CF_READY |
3056 | is_running = CF_RUNNING |
3550 | is_running = CF_RUNNING |
3057 | is_new = CF_NEW |
3551 | is_new = CF_NEW |
3058 | is_destroyed = CF_DESTROYED |
3552 | is_destroyed = CF_ZOMBIE |
|
|
3553 | is_zombie = CF_ZOMBIE |
|
|
3554 | is_suspended = CF_SUSPENDED |
3059 | CODE: |
3555 | CODE: |
3060 | RETVAL = boolSV (coro->flags & ix); |
3556 | RETVAL = boolSV (coro->flags & ix); |
3061 | OUTPUT: |
3557 | OUTPUT: |
3062 | RETVAL |
3558 | RETVAL |
3063 | |
3559 | |
3064 | void |
3560 | void |
3065 | throw (Coro::State self, SV *throw = &PL_sv_undef) |
3561 | throw (Coro::State self, SV *exception = &PL_sv_undef) |
3066 | PROTOTYPE: $;$ |
3562 | PROTOTYPE: $;$ |
3067 | CODE: |
3563 | CODE: |
3068 | { |
3564 | { |
3069 | struct coro *current = SvSTATE_current; |
3565 | struct coro *current = SvSTATE_current; |
3070 | SV **throwp = self == current ? &CORO_THROW : &self->except; |
3566 | SV **exceptionp = self == current ? &CORO_THROW : &self->except; |
3071 | SvREFCNT_dec (*throwp); |
3567 | SvREFCNT_dec (*exceptionp); |
3072 | *throwp = SvOK (throw) ? newSVsv (throw) : 0; |
3568 | SvGETMAGIC (exception); |
|
|
3569 | *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; |
3073 | } |
3570 | } |
3074 | |
3571 | |
3075 | void |
3572 | void |
3076 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3573 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3077 | PROTOTYPE: $;$ |
3574 | PROTOTYPE: $;$ |
… | |
… | |
3128 | SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv; |
3625 | SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv; |
3129 | |
3626 | |
3130 | SV *tmp = *src; *src = *dst; *dst = tmp; |
3627 | SV *tmp = *src; *src = *dst; *dst = tmp; |
3131 | } |
3628 | } |
3132 | |
3629 | |
|
|
3630 | void |
|
|
3631 | cancel (Coro::State self) |
|
|
3632 | CODE: |
|
|
3633 | coro_state_destroy (aTHX_ self); |
|
|
3634 | |
|
|
3635 | SV * |
|
|
3636 | enable_times (int enabled = enable_times) |
|
|
3637 | CODE: |
|
|
3638 | { |
|
|
3639 | RETVAL = boolSV (enable_times); |
|
|
3640 | |
|
|
3641 | if (enabled != enable_times) |
|
|
3642 | { |
|
|
3643 | enable_times = enabled; |
|
|
3644 | |
|
|
3645 | coro_times_update (); |
|
|
3646 | (enabled ? coro_times_sub : coro_times_add)(SvSTATE (coro_current)); |
|
|
3647 | } |
|
|
3648 | } |
|
|
3649 | OUTPUT: |
|
|
3650 | RETVAL |
|
|
3651 | |
|
|
3652 | void |
|
|
3653 | times (Coro::State self) |
|
|
3654 | PPCODE: |
|
|
3655 | { |
|
|
3656 | struct coro *current = SvSTATE (coro_current); |
|
|
3657 | |
|
|
3658 | if (expect_false (current == self)) |
|
|
3659 | { |
|
|
3660 | coro_times_update (); |
|
|
3661 | coro_times_add (SvSTATE (coro_current)); |
|
|
3662 | } |
|
|
3663 | |
|
|
3664 | EXTEND (SP, 2); |
|
|
3665 | PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9))); |
|
|
3666 | PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9))); |
|
|
3667 | |
|
|
3668 | if (expect_false (current == self)) |
|
|
3669 | coro_times_sub (SvSTATE (coro_current)); |
|
|
3670 | } |
|
|
3671 | |
|
|
3672 | void |
|
|
3673 | swap_sv (Coro::State coro, SV *sv, SV *swapsv) |
|
|
3674 | CODE: |
|
|
3675 | { |
|
|
3676 | struct coro *current = SvSTATE_current; |
|
|
3677 | |
|
|
3678 | if (current == coro) |
|
|
3679 | SWAP_SVS (current); |
|
|
3680 | |
|
|
3681 | if (!coro->swap_sv) |
|
|
3682 | coro->swap_sv = newAV (); |
|
|
3683 | |
|
|
3684 | av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (sv ))); |
|
|
3685 | av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (swapsv))); |
|
|
3686 | |
|
|
3687 | if (current == coro) |
|
|
3688 | SWAP_SVS (current); |
|
|
3689 | } |
|
|
3690 | |
3133 | |
3691 | |
3134 | MODULE = Coro::State PACKAGE = Coro |
3692 | MODULE = Coro::State PACKAGE = Coro |
3135 | |
3693 | |
3136 | BOOT: |
3694 | BOOT: |
3137 | { |
3695 | { |
3138 | int i; |
|
|
3139 | |
|
|
3140 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3696 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3141 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3697 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3142 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
3698 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
3143 | cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD); |
|
|
3144 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
3699 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
3145 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
3700 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
3146 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
3701 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
3147 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
3702 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
3148 | sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); |
3703 | sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); |
3149 | |
3704 | |
3150 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3705 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3151 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
3706 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
3152 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
3707 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
3153 | cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new); |
3708 | CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */ |
3154 | |
3709 | |
3155 | coro_stash = gv_stashpv ("Coro", TRUE); |
3710 | coro_stash = gv_stashpv ("Coro", TRUE); |
3156 | |
3711 | |
3157 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
3712 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
3158 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
3713 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
3159 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); |
3714 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL)); |
3160 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); |
3715 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (CORO_PRIO_LOW)); |
3161 | newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE)); |
3716 | newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (CORO_PRIO_IDLE)); |
3162 | newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN)); |
3717 | newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (CORO_PRIO_MIN)); |
3163 | |
|
|
3164 | for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) |
|
|
3165 | coro_ready[i] = newAV (); |
|
|
3166 | |
3718 | |
3167 | { |
3719 | { |
3168 | SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE); |
3720 | SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE); |
3169 | |
3721 | |
3170 | coroapi.schedule = api_schedule; |
3722 | coroapi.schedule = api_schedule; |
… | |
… | |
3180 | sv_setiv (sv, (IV)&coroapi); |
3732 | sv_setiv (sv, (IV)&coroapi); |
3181 | SvREADONLY_on (sv); |
3733 | SvREADONLY_on (sv); |
3182 | } |
3734 | } |
3183 | } |
3735 | } |
3184 | |
3736 | |
|
|
3737 | SV * |
|
|
3738 | async (...) |
|
|
3739 | PROTOTYPE: &@ |
|
|
3740 | CODE: |
|
|
3741 | RETVAL = coro_new (aTHX_ coro_stash, &ST (0), items, 1); |
|
|
3742 | api_ready (aTHX_ RETVAL); |
|
|
3743 | OUTPUT: |
|
|
3744 | RETVAL |
|
|
3745 | |
|
|
3746 | void |
|
|
3747 | _destroy (Coro::State coro) |
|
|
3748 | CODE: |
|
|
3749 | /* used by the manager thread */ |
|
|
3750 | coro_state_destroy (aTHX_ coro); |
|
|
3751 | |
|
|
3752 | void |
|
|
3753 | on_destroy (Coro::State coro, SV *cb) |
|
|
3754 | CODE: |
|
|
3755 | coro_push_on_destroy (aTHX_ coro, newSVsv (cb)); |
|
|
3756 | |
|
|
3757 | void |
|
|
3758 | join (...) |
|
|
3759 | CODE: |
|
|
3760 | CORO_EXECUTE_SLF_XS (slf_init_join); |
|
|
3761 | |
3185 | void |
3762 | void |
3186 | terminate (...) |
3763 | terminate (...) |
3187 | CODE: |
3764 | CODE: |
3188 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
3765 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
3189 | |
3766 | |
3190 | void |
3767 | void |
|
|
3768 | cancel (...) |
|
|
3769 | CODE: |
|
|
3770 | CORO_EXECUTE_SLF_XS (slf_init_cancel); |
|
|
3771 | |
|
|
3772 | int |
|
|
3773 | safe_cancel (Coro::State self, ...) |
|
|
3774 | C_ARGS: aTHX_ self, &ST (1), items - 1 |
|
|
3775 | |
|
|
3776 | void |
3191 | schedule (...) |
3777 | schedule (...) |
3192 | CODE: |
3778 | CODE: |
3193 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
3779 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
3194 | |
3780 | |
3195 | void |
3781 | void |
… | |
… | |
3209 | |
3795 | |
3210 | void |
3796 | void |
3211 | cede_notself (...) |
3797 | cede_notself (...) |
3212 | CODE: |
3798 | CODE: |
3213 | CORO_EXECUTE_SLF_XS (slf_init_cede_notself); |
3799 | CORO_EXECUTE_SLF_XS (slf_init_cede_notself); |
3214 | |
|
|
3215 | void |
|
|
3216 | _cancel (Coro::State self) |
|
|
3217 | CODE: |
|
|
3218 | coro_state_destroy (aTHX_ self); |
|
|
3219 | coro_call_on_destroy (aTHX_ self); |
|
|
3220 | |
3800 | |
3221 | void |
3801 | void |
3222 | _set_current (SV *current) |
3802 | _set_current (SV *current) |
3223 | PROTOTYPE: $ |
3803 | PROTOTYPE: $ |
3224 | CODE: |
3804 | CODE: |
… | |
… | |
3228 | void |
3808 | void |
3229 | _set_readyhook (SV *hook) |
3809 | _set_readyhook (SV *hook) |
3230 | PROTOTYPE: $ |
3810 | PROTOTYPE: $ |
3231 | CODE: |
3811 | CODE: |
3232 | SvREFCNT_dec (coro_readyhook); |
3812 | SvREFCNT_dec (coro_readyhook); |
|
|
3813 | SvGETMAGIC (hook); |
|
|
3814 | if (SvOK (hook)) |
|
|
3815 | { |
3233 | coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0; |
3816 | coro_readyhook = newSVsv (hook); |
|
|
3817 | CORO_READYHOOK = invoke_sv_ready_hook_helper; |
|
|
3818 | } |
|
|
3819 | else |
|
|
3820 | { |
|
|
3821 | coro_readyhook = 0; |
|
|
3822 | CORO_READYHOOK = 0; |
|
|
3823 | } |
3234 | |
3824 | |
3235 | int |
3825 | int |
3236 | prio (Coro::State coro, int newprio = 0) |
3826 | prio (Coro::State coro, int newprio = 0) |
3237 | PROTOTYPE: $;$ |
3827 | PROTOTYPE: $;$ |
3238 | ALIAS: |
3828 | ALIAS: |
… | |
… | |
3244 | if (items > 1) |
3834 | if (items > 1) |
3245 | { |
3835 | { |
3246 | if (ix) |
3836 | if (ix) |
3247 | newprio = coro->prio - newprio; |
3837 | newprio = coro->prio - newprio; |
3248 | |
3838 | |
3249 | if (newprio < PRIO_MIN) newprio = PRIO_MIN; |
3839 | if (newprio < CORO_PRIO_MIN) newprio = CORO_PRIO_MIN; |
3250 | if (newprio > PRIO_MAX) newprio = PRIO_MAX; |
3840 | if (newprio > CORO_PRIO_MAX) newprio = CORO_PRIO_MAX; |
3251 | |
3841 | |
3252 | coro->prio = newprio; |
3842 | coro->prio = newprio; |
3253 | } |
3843 | } |
3254 | } |
3844 | } |
3255 | OUTPUT: |
3845 | OUTPUT: |
… | |
… | |
3270 | RETVAL = coro_nready; |
3860 | RETVAL = coro_nready; |
3271 | OUTPUT: |
3861 | OUTPUT: |
3272 | RETVAL |
3862 | RETVAL |
3273 | |
3863 | |
3274 | void |
3864 | void |
|
|
3865 | suspend (Coro::State self) |
|
|
3866 | PROTOTYPE: $ |
|
|
3867 | CODE: |
|
|
3868 | self->flags |= CF_SUSPENDED; |
|
|
3869 | |
|
|
3870 | void |
|
|
3871 | resume (Coro::State self) |
|
|
3872 | PROTOTYPE: $ |
|
|
3873 | CODE: |
|
|
3874 | self->flags &= ~CF_SUSPENDED; |
|
|
3875 | |
|
|
3876 | void |
3275 | _pool_handler (...) |
3877 | _pool_handler (...) |
3276 | CODE: |
3878 | CODE: |
3277 | CORO_EXECUTE_SLF_XS (slf_init_pool_handler); |
3879 | CORO_EXECUTE_SLF_XS (slf_init_pool_handler); |
3278 | |
3880 | |
3279 | void |
3881 | void |
… | |
… | |
3290 | for (i = 1; i < items; ++i) |
3892 | for (i = 1; i < items; ++i) |
3291 | av_push (av, SvREFCNT_inc_NN (ST (i))); |
3893 | av_push (av, SvREFCNT_inc_NN (ST (i))); |
3292 | |
3894 | |
3293 | if ((SV *)hv == &PL_sv_undef) |
3895 | if ((SV *)hv == &PL_sv_undef) |
3294 | { |
3896 | { |
3295 | PUSHMARK (SP); |
3897 | SV *sv = coro_new (aTHX_ coro_stash, (SV **)&cv_pool_handler, 1, 1); |
3296 | EXTEND (SP, 2); |
|
|
3297 | PUSHs (sv_Coro); |
|
|
3298 | PUSHs ((SV *)cv_pool_handler); |
|
|
3299 | PUTBACK; |
|
|
3300 | call_sv ((SV *)cv_coro_state_new, G_SCALAR); |
|
|
3301 | SPAGAIN; |
|
|
3302 | |
|
|
3303 | hv = (HV *)SvREFCNT_inc_NN (SvRV (POPs)); |
3898 | hv = (HV *)SvREFCNT_inc_NN (SvRV (sv)); |
|
|
3899 | SvREFCNT_dec (sv); |
3304 | } |
3900 | } |
3305 | |
3901 | |
3306 | { |
3902 | { |
3307 | struct coro *coro = SvSTATE_hv (hv); |
3903 | struct coro *coro = SvSTATE_hv (hv); |
3308 | |
3904 | |
… | |
… | |
3332 | rouse_wait (...) |
3928 | rouse_wait (...) |
3333 | PROTOTYPE: ;$ |
3929 | PROTOTYPE: ;$ |
3334 | PPCODE: |
3930 | PPCODE: |
3335 | CORO_EXECUTE_SLF_XS (slf_init_rouse_wait); |
3931 | CORO_EXECUTE_SLF_XS (slf_init_rouse_wait); |
3336 | |
3932 | |
|
|
3933 | void |
|
|
3934 | on_enter (SV *block) |
|
|
3935 | ALIAS: |
|
|
3936 | on_leave = 1 |
|
|
3937 | PROTOTYPE: & |
|
|
3938 | CODE: |
|
|
3939 | { |
|
|
3940 | struct coro *coro = SvSTATE_current; |
|
|
3941 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
|
|
3942 | |
|
|
3943 | block = s_get_cv_croak (block); |
|
|
3944 | |
|
|
3945 | if (!*avp) |
|
|
3946 | *avp = newAV (); |
|
|
3947 | |
|
|
3948 | av_push (*avp, SvREFCNT_inc (block)); |
|
|
3949 | |
|
|
3950 | if (!ix) |
|
|
3951 | on_enterleave_call (aTHX_ block); |
|
|
3952 | |
|
|
3953 | LEAVE; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */ |
|
|
3954 | SAVEDESTRUCTOR_X (ix ? coro_pop_on_leave : coro_pop_on_enter, (void *)coro); |
|
|
3955 | ENTER; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */ |
|
|
3956 | } |
|
|
3957 | |
3337 | |
3958 | |
3338 | MODULE = Coro::State PACKAGE = PerlIO::cede |
3959 | MODULE = Coro::State PACKAGE = PerlIO::cede |
3339 | |
3960 | |
3340 | BOOT: |
3961 | BOOT: |
3341 | PerlIO_define_layer (aTHX_ &PerlIO_cede); |
3962 | PerlIO_define_layer (aTHX_ &PerlIO_cede); |
… | |
… | |
3344 | MODULE = Coro::State PACKAGE = Coro::Semaphore |
3965 | MODULE = Coro::State PACKAGE = Coro::Semaphore |
3345 | |
3966 | |
3346 | SV * |
3967 | SV * |
3347 | new (SV *klass, SV *count = 0) |
3968 | new (SV *klass, SV *count = 0) |
3348 | CODE: |
3969 | CODE: |
|
|
3970 | { |
|
|
3971 | int semcnt = 1; |
|
|
3972 | |
|
|
3973 | if (count) |
|
|
3974 | { |
|
|
3975 | SvGETMAGIC (count); |
|
|
3976 | |
|
|
3977 | if (SvOK (count)) |
|
|
3978 | semcnt = SvIV (count); |
|
|
3979 | } |
|
|
3980 | |
3349 | RETVAL = sv_bless ( |
3981 | RETVAL = sv_bless ( |
3350 | coro_waitarray_new (aTHX_ count && SvOK (count) ? SvIV (count) : 1), |
3982 | coro_waitarray_new (aTHX_ semcnt), |
3351 | GvSTASH (CvGV (cv)) |
3983 | GvSTASH (CvGV (cv)) |
3352 | ); |
3984 | ); |
|
|
3985 | } |
3353 | OUTPUT: |
3986 | OUTPUT: |
3354 | RETVAL |
3987 | RETVAL |
3355 | |
3988 | |
3356 | # helper for Coro::Channel |
3989 | # helper for Coro::Channel and others |
3357 | SV * |
3990 | SV * |
3358 | _alloc (int count) |
3991 | _alloc (int count) |
3359 | CODE: |
3992 | CODE: |
3360 | RETVAL = coro_waitarray_new (aTHX_ count); |
3993 | RETVAL = coro_waitarray_new (aTHX_ count); |
3361 | OUTPUT: |
3994 | OUTPUT: |
… | |
… | |
3419 | for (i = 1; i <= wcount; ++i) |
4052 | for (i = 1; i <= wcount; ++i) |
3420 | PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i]))); |
4053 | PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i]))); |
3421 | } |
4054 | } |
3422 | } |
4055 | } |
3423 | |
4056 | |
|
|
4057 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
|
|
4058 | |
|
|
4059 | void |
|
|
4060 | _may_delete (SV *sem, int count, int extra_refs) |
|
|
4061 | PPCODE: |
|
|
4062 | { |
|
|
4063 | AV *av = (AV *)SvRV (sem); |
|
|
4064 | |
|
|
4065 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
|
|
4066 | && AvFILLp (av) == 0 /* no waiters, just count */ |
|
|
4067 | && SvIV (AvARRAY (av)[0]) == count) |
|
|
4068 | XSRETURN_YES; |
|
|
4069 | |
|
|
4070 | XSRETURN_NO; |
|
|
4071 | } |
|
|
4072 | |
3424 | MODULE = Coro::State PACKAGE = Coro::Signal |
4073 | MODULE = Coro::State PACKAGE = Coro::Signal |
3425 | |
4074 | |
3426 | SV * |
4075 | SV * |
3427 | new (SV *klass) |
4076 | new (SV *klass) |
3428 | CODE: |
4077 | CODE: |
… | |
… | |
3499 | |
4148 | |
3500 | void |
4149 | void |
3501 | _register (char *target, char *proto, SV *req) |
4150 | _register (char *target, char *proto, SV *req) |
3502 | CODE: |
4151 | CODE: |
3503 | { |
4152 | { |
3504 | CV *req_cv = coro_sv_2cv (aTHX_ req); |
4153 | SV *req_cv = s_get_cv_croak (req); |
3505 | /* newXSproto doesn't return the CV on 5.8 */ |
4154 | /* newXSproto doesn't return the CV on 5.8 */ |
3506 | CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__); |
4155 | CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__); |
3507 | sv_setpv ((SV *)slf_cv, proto); |
4156 | sv_setpv ((SV *)slf_cv, proto); |
3508 | sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0); |
4157 | sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0); |
3509 | } |
4158 | } |
3510 | |
4159 | |
|
|
4160 | MODULE = Coro::State PACKAGE = Coro::Select |
|
|
4161 | |
|
|
4162 | void |
|
|
4163 | patch_pp_sselect () |
|
|
4164 | CODE: |
|
|
4165 | if (!coro_old_pp_sselect) |
|
|
4166 | { |
|
|
4167 | coro_select_select = (SV *)get_cv ("Coro::Select::select", 0); |
|
|
4168 | coro_old_pp_sselect = PL_ppaddr [OP_SSELECT]; |
|
|
4169 | PL_ppaddr [OP_SSELECT] = coro_pp_sselect; |
|
|
4170 | } |
|
|
4171 | |
|
|
4172 | void |
|
|
4173 | unpatch_pp_sselect () |
|
|
4174 | CODE: |
|
|
4175 | if (coro_old_pp_sselect) |
|
|
4176 | { |
|
|
4177 | PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; |
|
|
4178 | coro_old_pp_sselect = 0; |
|
|
4179 | } |
|
|
4180 | |