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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 | |
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18 | #define ECB_NO_THREADS 1 |
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19 | #include "ecb.h" |
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20 | |
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21 | #include <stddef.h> |
13 | #include <stdio.h> |
22 | #include <stdio.h> |
14 | #include <errno.h> |
23 | #include <errno.h> |
15 | #include <assert.h> |
24 | #include <assert.h> |
16 | |
25 | |
17 | #ifdef WIN32 |
26 | #ifndef SVs_PADSTALE |
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27 | # define SVs_PADSTALE 0 |
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28 | #endif |
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29 | |
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30 | #ifdef PadARRAY |
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31 | # define NEWPADAPI |
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32 | # define newPADLIST(var) (Newz (0, var, 1, PADLIST), Newx (PadlistARRAY (var), 2, PAD *)) |
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33 | #else |
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34 | typedef AV PADNAMELIST; |
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35 | # if !PERL_VERSION_ATLEAST(5,8,0) |
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36 | typedef AV PADLIST; |
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37 | typedef AV PAD; |
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38 | # endif |
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39 | # define PadlistARRAY(pl) ((PAD **)AvARRAY (pl)) |
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40 | # define PadlistMAX(pl) AvFILLp (pl) |
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41 | # define PadlistNAMES(pl) (*PadlistARRAY (pl)) |
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42 | # define PadARRAY AvARRAY |
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43 | # define PadMAX AvFILLp |
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44 | # define newPADLIST(var) ((var) = newAV (), av_extend (var, 1)) |
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45 | #endif |
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46 | |
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47 | #if defined(_WIN32) |
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48 | # undef HAS_GETTIMEOFDAY |
18 | # undef setjmp |
49 | # undef setjmp |
19 | # undef longjmp |
50 | # undef longjmp |
20 | # undef _exit |
51 | # undef _exit |
21 | # define setjmp _setjmp /* deep magic */ |
52 | # define setjmp _setjmp /* deep magic */ |
22 | #else |
53 | #else |
23 | # include <inttypes.h> /* most portable stdint.h */ |
54 | # include <inttypes.h> /* most portable stdint.h */ |
24 | #endif |
55 | #endif |
25 | |
56 | |
26 | #ifdef HAVE_MMAP |
57 | #if HAVE_MMAP |
27 | # include <unistd.h> |
58 | # include <unistd.h> |
28 | # include <sys/mman.h> |
59 | # include <sys/mman.h> |
29 | # ifndef MAP_ANONYMOUS |
60 | # ifndef MAP_ANONYMOUS |
30 | # ifdef MAP_ANON |
61 | # ifdef MAP_ANON |
31 | # define MAP_ANONYMOUS MAP_ANON |
62 | # define MAP_ANONYMOUS MAP_ANON |
… | |
… | |
51 | #endif |
82 | #endif |
52 | |
83 | |
53 | /* the maximum number of idle cctx that will be pooled */ |
84 | /* the maximum number of idle cctx that will be pooled */ |
54 | static int cctx_max_idle = 4; |
85 | static int cctx_max_idle = 4; |
55 | |
86 | |
56 | #define PERL_VERSION_ATLEAST(a,b,c) \ |
87 | #if defined(DEBUGGING) && PERL_VERSION_ATLEAST(5,12,0) |
57 | (PERL_REVISION > (a) \ |
88 | # define HAS_SCOPESTACK_NAME 1 |
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 |
89 | #endif |
114 | |
90 | |
115 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
91 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
116 | # undef CORO_STACKGUARD |
92 | # undef CORO_STACKGUARD |
117 | #endif |
93 | #endif |
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135 | # define STACKLEVEL ((void *)&stacklevel) |
111 | # define STACKLEVEL ((void *)&stacklevel) |
136 | #endif |
112 | #endif |
137 | |
113 | |
138 | #define IN_DESTRUCT PL_dirty |
114 | #define IN_DESTRUCT PL_dirty |
139 | |
115 | |
140 | #if __GNUC__ >= 3 |
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141 | # define attribute(x) __attribute__(x) |
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142 | # define expect(expr,value) __builtin_expect ((expr), (value)) |
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143 | # define INLINE static inline |
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144 | #else |
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145 | # define attribute(x) |
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146 | # define expect(expr,value) (expr) |
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147 | # define INLINE static |
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148 | #endif |
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149 | |
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150 | #define expect_false(expr) expect ((expr) != 0, 0) |
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151 | #define expect_true(expr) expect ((expr) != 0, 1) |
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152 | |
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153 | #define NOINLINE attribute ((noinline)) |
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154 | |
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155 | #include "CoroAPI.h" |
116 | #include "CoroAPI.h" |
156 | #define GCoroAPI (&coroapi) /* very sneaky */ |
117 | #define GCoroAPI (&coroapi) /* very sneaky */ |
157 | |
118 | |
158 | #ifdef USE_ITHREADS |
119 | #ifdef USE_ITHREADS |
159 | # if CORO_PTHREAD |
120 | # if CORO_PTHREAD |
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175 | static void (*u2time)(pTHX_ UV ret[2]); |
136 | static void (*u2time)(pTHX_ UV ret[2]); |
176 | |
137 | |
177 | /* we hijack an hopefully unused CV flag for our purposes */ |
138 | /* we hijack an hopefully unused CV flag for our purposes */ |
178 | #define CVf_SLF 0x4000 |
139 | #define CVf_SLF 0x4000 |
179 | static OP *pp_slf (pTHX); |
140 | static OP *pp_slf (pTHX); |
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141 | static void slf_destroy (pTHX_ struct coro *coro); |
180 | |
142 | |
181 | static U32 cctx_gen; |
143 | static U32 cctx_gen; |
182 | static size_t cctx_stacksize = CORO_STACKSIZE; |
144 | static size_t cctx_stacksize = CORO_STACKSIZE; |
183 | static struct CoroAPI coroapi; |
145 | static struct CoroAPI coroapi; |
184 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
146 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
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201 | static SV *sv_pool_size; |
163 | static SV *sv_pool_size; |
202 | static SV *sv_async_pool_idle; /* description string */ |
164 | static SV *sv_async_pool_idle; /* description string */ |
203 | static AV *av_async_pool; /* idle pool */ |
165 | static AV *av_async_pool; /* idle pool */ |
204 | static SV *sv_Coro; /* class string */ |
166 | static SV *sv_Coro; /* class string */ |
205 | static CV *cv_pool_handler; |
167 | static CV *cv_pool_handler; |
206 | static CV *cv_coro_state_new; |
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207 | |
168 | |
208 | /* Coro::AnyEvent */ |
169 | /* Coro::AnyEvent */ |
209 | static SV *sv_activity; |
170 | static SV *sv_activity; |
210 | |
171 | |
211 | /* enable processtime/realtime profiling */ |
172 | /* enable processtime/realtime profiling */ |
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215 | static char times_valid; |
176 | static char times_valid; |
216 | |
177 | |
217 | static struct coro_cctx *cctx_first; |
178 | static struct coro_cctx *cctx_first; |
218 | static int cctx_count, cctx_idle; |
179 | static int cctx_count, cctx_idle; |
219 | |
180 | |
220 | enum { |
181 | enum |
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182 | { |
221 | CC_MAPPED = 0x01, |
183 | CC_MAPPED = 0x01, |
222 | CC_NOREUSE = 0x02, /* throw this away after tracing */ |
184 | CC_NOREUSE = 0x02, /* throw this away after tracing */ |
223 | CC_TRACE = 0x04, |
185 | CC_TRACE = 0x04, |
224 | CC_TRACE_SUB = 0x08, /* trace sub calls */ |
186 | CC_TRACE_SUB = 0x08, /* trace sub calls */ |
225 | CC_TRACE_LINE = 0x10, /* trace each statement */ |
187 | CC_TRACE_LINE = 0x10, /* trace each statement */ |
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235 | void *sptr; |
197 | void *sptr; |
236 | size_t ssize; |
198 | size_t ssize; |
237 | |
199 | |
238 | /* cpu state */ |
200 | /* cpu state */ |
239 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
201 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
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202 | #ifndef NDEBUG |
240 | JMPENV *idle_te; /* same as idle_sp, but for top_env, TODO: remove once stable */ |
203 | JMPENV *idle_te; /* same as idle_sp, but for top_env */ |
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204 | #endif |
241 | JMPENV *top_env; |
205 | JMPENV *top_env; |
242 | coro_context cctx; |
206 | coro_context cctx; |
243 | |
207 | |
244 | U32 gen; |
208 | U32 gen; |
245 | #if CORO_USE_VALGRIND |
209 | #if CORO_USE_VALGRIND |
246 | int valgrind_id; |
210 | int valgrind_id; |
247 | #endif |
211 | #endif |
248 | unsigned char flags; |
212 | unsigned char flags; |
249 | } coro_cctx; |
213 | } coro_cctx; |
250 | |
214 | |
251 | coro_cctx *cctx_current; /* the currently running cctx */ |
215 | static coro_cctx *cctx_current; /* the currently running cctx */ |
252 | |
216 | |
253 | /*****************************************************************************/ |
217 | /*****************************************************************************/ |
254 | |
218 | |
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219 | static MGVTBL coro_state_vtbl; |
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220 | |
255 | enum { |
221 | enum |
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222 | { |
256 | CF_RUNNING = 0x0001, /* coroutine is running */ |
223 | CF_RUNNING = 0x0001, /* coroutine is running */ |
257 | CF_READY = 0x0002, /* coroutine is ready */ |
224 | CF_READY = 0x0002, /* coroutine is ready */ |
258 | CF_NEW = 0x0004, /* has never been switched to */ |
225 | CF_NEW = 0x0004, /* has never been switched to */ |
259 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
226 | CF_ZOMBIE = 0x0008, /* coroutine data has been freed */ |
260 | CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */ |
227 | CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */ |
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228 | CF_NOCANCEL = 0x0020, /* cannot cancel, set slf_frame.data to 1 (hackish) */ |
261 | }; |
229 | }; |
262 | |
230 | |
263 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
231 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
264 | typedef struct |
232 | typedef struct |
265 | { |
233 | { |
266 | SV *defsv; |
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267 | AV *defav; |
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268 | SV *errsv; |
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269 | SV *irsgv; |
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270 | HV *hinthv; |
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271 | #define VAR(name,type) type name; |
234 | #define VARx(name,expr,type) type name; |
272 | # include "state.h" |
235 | #include "state.h" |
273 | #undef VAR |
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274 | } perl_slots; |
236 | } perl_slots; |
275 | |
237 | |
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238 | /* how many context stack entries do we need for perl_slots */ |
276 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
239 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
277 | |
240 | |
278 | /* this is a structure representing a perl-level coroutine */ |
241 | /* this is a structure representing a perl-level coroutine */ |
279 | struct coro { |
242 | struct coro |
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243 | { |
280 | /* the C coroutine allocated to this perl coroutine, if any */ |
244 | /* the C coroutine allocated to this perl coroutine, if any */ |
281 | coro_cctx *cctx; |
245 | coro_cctx *cctx; |
282 | |
246 | |
283 | /* ready queue */ |
247 | /* ready queue */ |
284 | struct coro *next_ready; |
248 | struct coro *next_ready; |
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286 | /* state data */ |
250 | /* state data */ |
287 | struct CoroSLF slf_frame; /* saved slf frame */ |
251 | struct CoroSLF slf_frame; /* saved slf frame */ |
288 | AV *mainstack; |
252 | AV *mainstack; |
289 | perl_slots *slot; /* basically the saved sp */ |
253 | perl_slots *slot; /* basically the saved sp */ |
290 | |
254 | |
291 | CV *startcv; /* the CV to execute */ |
255 | CV *startcv; /* the CV to execute */ |
292 | AV *args; /* data associated with this coroutine (initial args) */ |
256 | AV *args; /* data associated with this coroutine (initial args) */ |
293 | int refcnt; /* coroutines are refcounted, yes */ |
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294 | int flags; /* CF_ flags */ |
257 | int flags; /* CF_ flags */ |
295 | HV *hv; /* the perl hash associated with this coro, if any */ |
258 | HV *hv; /* the perl hash associated with this coro, if any */ |
296 | void (*on_destroy)(pTHX_ struct coro *coro); |
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297 | |
259 | |
298 | /* statistics */ |
260 | /* statistics */ |
299 | int usecount; /* number of transfers to this coro */ |
261 | int usecount; /* number of transfers to this coro */ |
300 | |
262 | |
301 | /* coro process data */ |
263 | /* coro process data */ |
302 | int prio; |
264 | int prio; |
303 | SV *except; /* exception to be thrown */ |
265 | SV *except; /* exception to be thrown */ |
304 | SV *rouse_cb; |
266 | SV *rouse_cb; /* last rouse callback */ |
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267 | AV *on_destroy; /* callbacks or coros to notify on destroy */ |
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268 | AV *status; /* the exit status list */ |
305 | |
269 | |
306 | /* async_pool */ |
270 | /* async_pool */ |
307 | SV *saved_deffh; |
271 | SV *saved_deffh; |
308 | SV *invoke_cb; |
272 | SV *invoke_cb; |
309 | AV *invoke_av; |
273 | AV *invoke_av; |
310 | |
274 | |
311 | /* on_enter/on_leave */ |
275 | /* on_enter/on_leave */ |
312 | AV *on_enter; |
276 | AV *on_enter; |
313 | AV *on_leave; |
277 | AV *on_leave; |
314 | |
278 | |
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279 | /* swap_sv */ |
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280 | AV *swap_sv; |
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281 | |
315 | /* times */ |
282 | /* times */ |
316 | coro_ts t_cpu, t_real; |
283 | coro_ts t_cpu, t_real; |
317 | |
284 | |
318 | /* linked list */ |
285 | /* linked list */ |
319 | struct coro *next, *prev; |
286 | struct coro *next, *prev; |
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322 | typedef struct coro *Coro__State; |
289 | typedef struct coro *Coro__State; |
323 | typedef struct coro *Coro__State_or_hashref; |
290 | typedef struct coro *Coro__State_or_hashref; |
324 | |
291 | |
325 | /* the following variables are effectively part of the perl context */ |
292 | /* the following variables are effectively part of the perl context */ |
326 | /* and get copied between struct coro and these variables */ |
293 | /* and get copied between struct coro and these variables */ |
327 | /* the mainr easonw e don't support windows process emulation */ |
294 | /* the main reason we don't support windows process emulation */ |
328 | static struct CoroSLF slf_frame; /* the current slf frame */ |
295 | static struct CoroSLF slf_frame; /* the current slf frame */ |
329 | |
296 | |
330 | /** Coro ********************************************************************/ |
297 | /** Coro ********************************************************************/ |
331 | |
298 | |
332 | #define CORO_PRIO_MAX 3 |
299 | #define CORO_PRIO_MAX 3 |
… | |
… | |
338 | |
305 | |
339 | /* for Coro.pm */ |
306 | /* for Coro.pm */ |
340 | static SV *coro_current; |
307 | static SV *coro_current; |
341 | static SV *coro_readyhook; |
308 | static SV *coro_readyhook; |
342 | static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ |
309 | static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ |
343 | static CV *cv_coro_run, *cv_coro_terminate; |
310 | static CV *cv_coro_run; |
344 | static struct coro *coro_first; |
311 | static struct coro *coro_first; |
345 | #define coro_nready coroapi.nready |
312 | #define coro_nready coroapi.nready |
346 | |
313 | |
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314 | /** JIT *********************************************************************/ |
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315 | |
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316 | #if CORO_JIT |
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317 | /* APPLE doesn't have HAVE_MMAP though */ |
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318 | #define CORO_JIT_UNIXY (__linux || __FreeBSD__ || __OpenBSD__ || __NetBSD__ || __solaris || __APPLE__) |
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319 | #ifndef CORO_JIT_TYPE |
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320 | #if __x86_64 && CORO_JIT_UNIXY |
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321 | #define CORO_JIT_TYPE "amd64-unix" |
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322 | #elif __i386 && CORO_JIT_UNIXY |
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323 | #define CORO_JIT_TYPE "x86-unix" |
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324 | #endif |
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325 | #endif |
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326 | #endif |
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327 | |
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328 | #if !defined(CORO_JIT_TYPE) || !HAVE_MMAP |
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329 | #undef CORO_JIT |
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330 | #endif |
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331 | |
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332 | #if CORO_JIT |
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333 | typedef void (*load_save_perl_slots_type)(perl_slots *); |
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334 | static load_save_perl_slots_type load_perl_slots, save_perl_slots; |
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335 | #endif |
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336 | |
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337 | /** Coro::Select ************************************************************/ |
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338 | |
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339 | static OP *(*coro_old_pp_sselect) (pTHX); |
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340 | static SV *coro_select_select; |
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341 | |
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342 | /* horrible hack, but if it works... */ |
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343 | static OP * |
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344 | coro_pp_sselect (pTHX) |
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345 | { |
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346 | dSP; |
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347 | PUSHMARK (SP - 4); /* fake argument list */ |
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348 | XPUSHs (coro_select_select); |
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349 | PUTBACK; |
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350 | |
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351 | /* entersub is an UNOP, select a LISTOP... keep your fingers crossed */ |
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352 | PL_op->op_flags |= OPf_STACKED; |
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353 | PL_op->op_private = 0; |
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354 | return PL_ppaddr [OP_ENTERSUB](aTHX); |
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355 | } |
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356 | |
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357 | /** time stuff **************************************************************/ |
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358 | |
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359 | #ifdef HAS_GETTIMEOFDAY |
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360 | |
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361 | ecb_inline void |
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362 | coro_u2time (pTHX_ UV ret[2]) |
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363 | { |
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364 | struct timeval tv; |
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365 | gettimeofday (&tv, 0); |
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366 | |
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367 | ret [0] = tv.tv_sec; |
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368 | ret [1] = tv.tv_usec; |
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369 | } |
|
|
370 | |
|
|
371 | ecb_inline double |
|
|
372 | coro_nvtime (void) |
|
|
373 | { |
|
|
374 | struct timeval tv; |
|
|
375 | gettimeofday (&tv, 0); |
|
|
376 | |
|
|
377 | return tv.tv_sec + tv.tv_usec * 1e-6; |
|
|
378 | } |
|
|
379 | |
|
|
380 | ecb_inline void |
|
|
381 | time_init (pTHX) |
|
|
382 | { |
|
|
383 | nvtime = coro_nvtime; |
|
|
384 | u2time = coro_u2time; |
|
|
385 | } |
|
|
386 | |
|
|
387 | #else |
|
|
388 | |
|
|
389 | ecb_inline void |
|
|
390 | time_init (pTHX) |
|
|
391 | { |
|
|
392 | SV **svp; |
|
|
393 | |
|
|
394 | require_pv ("Time/HiRes.pm"); |
|
|
395 | |
|
|
396 | svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
|
|
397 | |
|
|
398 | if (!svp) croak ("Time::HiRes is required, but missing. Caught"); |
|
|
399 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer. Caught"); |
|
|
400 | |
|
|
401 | nvtime = INT2PTR (double (*)(), SvIV (*svp)); |
|
|
402 | |
|
|
403 | svp = hv_fetch (PL_modglobal, "Time::U2time", 12, 0); |
|
|
404 | u2time = INT2PTR (void (*)(pTHX_ UV ret[2]), SvIV (*svp)); |
|
|
405 | } |
|
|
406 | |
|
|
407 | #endif |
|
|
408 | |
347 | /** lowlevel stuff **********************************************************/ |
409 | /** lowlevel stuff **********************************************************/ |
348 | |
410 | |
349 | static SV * |
411 | static SV * ecb_noinline |
350 | coro_get_sv (pTHX_ const char *name, int create) |
412 | coro_get_sv (pTHX_ const char *name, int create) |
351 | { |
413 | { |
352 | #if PERL_VERSION_ATLEAST (5,10,0) |
414 | #if PERL_VERSION_ATLEAST (5,10,0) |
353 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
415 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
354 | get_sv (name, create); |
416 | get_sv (name, create); |
355 | #endif |
417 | #endif |
356 | return get_sv (name, create); |
418 | return get_sv (name, create); |
357 | } |
419 | } |
358 | |
420 | |
359 | static AV * |
421 | static AV * ecb_noinline |
360 | coro_get_av (pTHX_ const char *name, int create) |
422 | coro_get_av (pTHX_ const char *name, int create) |
361 | { |
423 | { |
362 | #if PERL_VERSION_ATLEAST (5,10,0) |
424 | #if PERL_VERSION_ATLEAST (5,10,0) |
363 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
425 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
364 | get_av (name, create); |
426 | get_av (name, create); |
365 | #endif |
427 | #endif |
366 | return get_av (name, create); |
428 | return get_av (name, create); |
367 | } |
429 | } |
368 | |
430 | |
369 | static HV * |
431 | static HV * ecb_noinline |
370 | coro_get_hv (pTHX_ const char *name, int create) |
432 | coro_get_hv (pTHX_ const char *name, int create) |
371 | { |
433 | { |
372 | #if PERL_VERSION_ATLEAST (5,10,0) |
434 | #if PERL_VERSION_ATLEAST (5,10,0) |
373 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
435 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
374 | get_hv (name, create); |
436 | get_hv (name, create); |
375 | #endif |
437 | #endif |
376 | return get_hv (name, create); |
438 | return get_hv (name, create); |
377 | } |
439 | } |
378 | |
440 | |
379 | /* may croak */ |
441 | ecb_inline void |
380 | INLINE CV * |
|
|
381 | coro_sv_2cv (pTHX_ SV *sv) |
|
|
382 | { |
|
|
383 | HV *st; |
|
|
384 | GV *gvp; |
|
|
385 | CV *cv = sv_2cv (sv, &st, &gvp, 0); |
|
|
386 | |
|
|
387 | if (!cv) |
|
|
388 | croak ("code reference expected"); |
|
|
389 | |
|
|
390 | return cv; |
|
|
391 | } |
|
|
392 | |
|
|
393 | INLINE void |
|
|
394 | coro_times_update () |
442 | coro_times_update (void) |
395 | { |
443 | { |
396 | #ifdef coro_clock_gettime |
444 | #ifdef coro_clock_gettime |
397 | struct timespec ts; |
445 | struct timespec ts; |
398 | |
446 | |
399 | ts.tv_sec = ts.tv_nsec = 0; |
447 | ts.tv_sec = ts.tv_nsec = 0; |
… | |
… | |
405 | time_real [0] = ts.tv_sec; time_real [1] = ts.tv_nsec; |
453 | time_real [0] = ts.tv_sec; time_real [1] = ts.tv_nsec; |
406 | #else |
454 | #else |
407 | dTHX; |
455 | dTHX; |
408 | UV tv[2]; |
456 | UV tv[2]; |
409 | |
457 | |
410 | u2time (aTHX_ &tv); |
458 | u2time (aTHX_ tv); |
411 | time_real [0] = tv [0]; |
459 | time_real [0] = tv [0]; |
412 | time_real [1] = tv [1] * 1000; |
460 | time_real [1] = tv [1] * 1000; |
413 | #endif |
461 | #endif |
414 | } |
462 | } |
415 | |
463 | |
416 | INLINE void |
464 | ecb_inline void |
417 | coro_times_add (struct coro *c) |
465 | coro_times_add (struct coro *c) |
418 | { |
466 | { |
419 | c->t_real [1] += time_real [1]; |
467 | c->t_real [1] += time_real [1]; |
420 | if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } |
468 | if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } |
421 | c->t_real [0] += time_real [0]; |
469 | c->t_real [0] += time_real [0]; |
… | |
… | |
423 | c->t_cpu [1] += time_cpu [1]; |
471 | c->t_cpu [1] += time_cpu [1]; |
424 | if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } |
472 | if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } |
425 | c->t_cpu [0] += time_cpu [0]; |
473 | c->t_cpu [0] += time_cpu [0]; |
426 | } |
474 | } |
427 | |
475 | |
428 | INLINE void |
476 | ecb_inline void |
429 | coro_times_sub (struct coro *c) |
477 | coro_times_sub (struct coro *c) |
430 | { |
478 | { |
431 | if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } |
479 | if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } |
432 | c->t_real [1] -= time_real [1]; |
480 | c->t_real [1] -= time_real [1]; |
433 | c->t_real [0] -= time_real [0]; |
481 | c->t_real [0] -= time_real [0]; |
… | |
… | |
441 | /* magic glue */ |
489 | /* magic glue */ |
442 | |
490 | |
443 | #define CORO_MAGIC_type_cv 26 |
491 | #define CORO_MAGIC_type_cv 26 |
444 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
492 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
445 | |
493 | |
446 | #define CORO_MAGIC_NN(sv, type) \ |
494 | #define CORO_MAGIC_NN(sv, type) \ |
447 | (expect_true (SvMAGIC (sv)->mg_type == type) \ |
495 | (ecb_expect_true (SvMAGIC (sv)->mg_type == type) \ |
448 | ? SvMAGIC (sv) \ |
496 | ? SvMAGIC (sv) \ |
449 | : mg_find (sv, type)) |
497 | : mg_find (sv, type)) |
450 | |
498 | |
451 | #define CORO_MAGIC(sv, type) \ |
499 | #define CORO_MAGIC(sv, type) \ |
452 | (expect_true (SvMAGIC (sv)) \ |
500 | (ecb_expect_true (SvMAGIC (sv)) \ |
453 | ? CORO_MAGIC_NN (sv, type) \ |
501 | ? CORO_MAGIC_NN (sv, type) \ |
454 | : 0) |
502 | : 0) |
455 | |
503 | |
456 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
504 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
457 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
505 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
458 | |
506 | |
459 | INLINE struct coro * |
507 | ecb_inline MAGIC * |
|
|
508 | SvSTATEhv_p (pTHX_ SV *coro) |
|
|
509 | { |
|
|
510 | MAGIC *mg; |
|
|
511 | |
|
|
512 | if (ecb_expect_true ( |
|
|
513 | SvTYPE (coro) == SVt_PVHV |
|
|
514 | && (mg = CORO_MAGIC_state (coro)) |
|
|
515 | && mg->mg_virtual == &coro_state_vtbl |
|
|
516 | )) |
|
|
517 | return mg; |
|
|
518 | |
|
|
519 | return 0; |
|
|
520 | } |
|
|
521 | |
|
|
522 | ecb_inline struct coro * |
460 | SvSTATE_ (pTHX_ SV *coro) |
523 | SvSTATE_ (pTHX_ SV *coro) |
461 | { |
524 | { |
462 | HV *stash; |
|
|
463 | MAGIC *mg; |
525 | MAGIC *mg; |
464 | |
526 | |
465 | if (SvROK (coro)) |
527 | if (SvROK (coro)) |
466 | coro = SvRV (coro); |
528 | coro = SvRV (coro); |
467 | |
529 | |
468 | if (expect_false (SvTYPE (coro) != SVt_PVHV)) |
530 | mg = SvSTATEhv_p (aTHX_ coro); |
|
|
531 | if (!mg) |
469 | croak ("Coro::State object required"); |
532 | croak ("Coro::State object required"); |
470 | |
533 | |
471 | stash = SvSTASH (coro); |
|
|
472 | if (expect_false (stash != coro_stash && stash != coro_state_stash)) |
|
|
473 | { |
|
|
474 | /* very slow, but rare, check */ |
|
|
475 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
|
|
476 | croak ("Coro::State object required"); |
|
|
477 | } |
|
|
478 | |
|
|
479 | mg = CORO_MAGIC_state (coro); |
|
|
480 | return (struct coro *)mg->mg_ptr; |
534 | return (struct coro *)mg->mg_ptr; |
481 | } |
535 | } |
482 | |
536 | |
483 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
537 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
484 | |
538 | |
… | |
… | |
487 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
541 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
488 | |
542 | |
489 | /*****************************************************************************/ |
543 | /*****************************************************************************/ |
490 | /* padlist management and caching */ |
544 | /* padlist management and caching */ |
491 | |
545 | |
492 | static AV * |
546 | ecb_inline PADLIST * |
493 | coro_derive_padlist (pTHX_ CV *cv) |
547 | coro_derive_padlist (pTHX_ CV *cv) |
494 | { |
548 | { |
495 | AV *padlist = CvPADLIST (cv); |
549 | PADLIST *padlist = CvPADLIST (cv); |
496 | AV *newpadlist, *newpad; |
550 | PADLIST *newpadlist; |
|
|
551 | PAD *newpad; |
|
|
552 | PADOFFSET const off = PadlistMAX (padlist) + 1; |
497 | |
553 | |
498 | newpadlist = newAV (); |
554 | newPADLIST(newpadlist); |
|
|
555 | #if !PERL_VERSION_ATLEAST(5,15,3) |
|
|
556 | /* Padlists are AvREAL as of 5.15.3. See perl bug #98092 and perl commit 7d953ba. */ |
499 | AvREAL_off (newpadlist); |
557 | AvREAL_off (newpadlist); |
|
|
558 | #endif |
500 | #if PERL_VERSION_ATLEAST (5,10,0) |
559 | #if PERL_VERSION_ATLEAST (5,10,0) |
501 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1); |
560 | Perl_pad_push (aTHX_ padlist, off); |
502 | #else |
561 | #else |
503 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
562 | Perl_pad_push (aTHX_ padlist, off, 1); |
504 | #endif |
563 | #endif |
505 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
564 | newpad = PadlistARRAY (padlist)[off]; |
506 | --AvFILLp (padlist); |
565 | PadlistMAX (padlist) = off - 1; |
507 | |
566 | |
508 | av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0])); |
567 | /* Already extended to 2 elements by newPADLIST. */ |
509 | av_store (newpadlist, 1, (SV *)newpad); |
568 | PadlistMAX (newpadlist) = 1; |
|
|
569 | PadlistNAMES (newpadlist) = (PADNAMELIST *)SvREFCNT_inc_NN (PadlistNAMES (padlist)); |
|
|
570 | PadlistARRAY (newpadlist)[1] = newpad; |
510 | |
571 | |
511 | return newpadlist; |
572 | return newpadlist; |
512 | } |
573 | } |
513 | |
574 | |
514 | static void |
575 | ecb_inline void |
515 | free_padlist (pTHX_ AV *padlist) |
576 | free_padlist (pTHX_ PADLIST *padlist) |
516 | { |
577 | { |
517 | /* may be during global destruction */ |
578 | /* may be during global destruction */ |
518 | if (!IN_DESTRUCT) |
579 | if (!IN_DESTRUCT) |
519 | { |
580 | { |
520 | I32 i = AvFILLp (padlist); |
581 | I32 i = PadlistMAX (padlist); |
521 | |
582 | |
522 | while (i > 0) /* special-case index 0 */ |
583 | while (i > 0) /* special-case index 0 */ |
523 | { |
584 | { |
524 | /* we try to be extra-careful here */ |
585 | /* we try to be extra-careful here */ |
525 | AV *av = (AV *)AvARRAY (padlist)[i--]; |
586 | PAD *pad = PadlistARRAY (padlist)[i--]; |
526 | I32 j = AvFILLp (av); |
587 | I32 j = PadMAX (pad); |
527 | |
588 | |
528 | while (j >= 0) |
589 | while (j >= 0) |
529 | SvREFCNT_dec (AvARRAY (av)[j--]); |
590 | SvREFCNT_dec (PadARRAY (pad)[j--]); |
530 | |
591 | |
531 | AvFILLp (av) = -1; |
592 | PadMAX (pad) = -1; |
532 | SvREFCNT_dec (av); |
593 | SvREFCNT_dec (pad); |
533 | } |
594 | } |
534 | |
595 | |
535 | SvREFCNT_dec (AvARRAY (padlist)[0]); |
596 | SvREFCNT_dec (PadlistNAMES (padlist)); |
536 | |
597 | |
|
|
598 | #ifdef NEWPADAPI |
|
|
599 | Safefree (PadlistARRAY (padlist)); |
|
|
600 | Safefree (padlist); |
|
|
601 | #else |
537 | AvFILLp (padlist) = -1; |
602 | AvFILLp (padlist) = -1; |
|
|
603 | AvREAL_off (padlist); |
538 | SvREFCNT_dec ((SV*)padlist); |
604 | SvREFCNT_dec ((SV*)padlist); |
|
|
605 | #endif |
539 | } |
606 | } |
540 | } |
607 | } |
541 | |
608 | |
542 | static int |
609 | static int |
543 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
610 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
544 | { |
611 | { |
545 | AV *padlist; |
612 | PADLIST *padlist; |
546 | AV *av = (AV *)mg->mg_obj; |
613 | PADLIST **padlists = (PADLIST **)(mg->mg_ptr + sizeof(size_t)); |
|
|
614 | size_t len = *(size_t *)mg->mg_ptr; |
547 | |
615 | |
548 | /* perl manages to free our internal AV and _then_ call us */ |
616 | /* perl manages to free our internal AV and _then_ call us */ |
549 | if (IN_DESTRUCT) |
617 | if (IN_DESTRUCT) |
550 | return; |
618 | return 0; |
551 | |
619 | |
552 | /* casting is fun. */ |
620 | while (len--) |
553 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
|
|
554 | free_padlist (aTHX_ padlist); |
621 | free_padlist (aTHX_ padlists[len]); |
555 | |
|
|
556 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
|
|
557 | |
622 | |
558 | return 0; |
623 | return 0; |
559 | } |
624 | } |
560 | |
625 | |
561 | static MGVTBL coro_cv_vtbl = { |
626 | static MGVTBL coro_cv_vtbl = { |
562 | 0, 0, 0, 0, |
627 | 0, 0, 0, 0, |
563 | coro_cv_free |
628 | coro_cv_free |
564 | }; |
629 | }; |
565 | |
630 | |
566 | /* the next two functions merely cache the padlists */ |
631 | /* the next two functions merely cache the padlists */ |
567 | static void |
632 | ecb_inline void |
568 | get_padlist (pTHX_ CV *cv) |
633 | get_padlist (pTHX_ CV *cv) |
569 | { |
634 | { |
570 | MAGIC *mg = CORO_MAGIC_cv (cv); |
635 | MAGIC *mg = CORO_MAGIC_cv (cv); |
571 | AV *av; |
636 | size_t *lenp; |
572 | |
637 | |
573 | if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
638 | if (ecb_expect_true (mg && *(lenp = (size_t *)mg->mg_ptr))) |
574 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
639 | CvPADLIST (cv) = ((PADLIST **)(mg->mg_ptr + sizeof(size_t)))[--*lenp]; |
575 | else |
640 | else |
576 | { |
641 | { |
577 | #if CORO_PREFER_PERL_FUNCTIONS |
642 | #if CORO_PREFER_PERL_FUNCTIONS |
578 | /* this is probably cleaner? but also slower! */ |
643 | /* this is probably cleaner? but also slower! */ |
579 | /* in practise, it seems to be less stable */ |
644 | /* in practise, it seems to be less stable */ |
… | |
… | |
585 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
650 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
586 | #endif |
651 | #endif |
587 | } |
652 | } |
588 | } |
653 | } |
589 | |
654 | |
590 | static void |
655 | ecb_inline void |
591 | put_padlist (pTHX_ CV *cv) |
656 | put_padlist (pTHX_ CV *cv) |
592 | { |
657 | { |
593 | MAGIC *mg = CORO_MAGIC_cv (cv); |
658 | MAGIC *mg = CORO_MAGIC_cv (cv); |
594 | AV *av; |
|
|
595 | |
659 | |
596 | if (expect_false (!mg)) |
660 | if (ecb_expect_false (!mg)) |
|
|
661 | { |
597 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
662 | mg = sv_magicext ((SV *)cv, 0, CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
|
|
663 | Newz (0, mg->mg_ptr ,sizeof (size_t) + sizeof (PADLIST *), char); |
|
|
664 | mg->mg_len = 1; /* so mg_free frees mg_ptr */ |
|
|
665 | } |
|
|
666 | else |
|
|
667 | Renew (mg->mg_ptr, |
|
|
668 | sizeof(size_t) + (*(size_t *)mg->mg_ptr + 1) * sizeof(PADLIST *), |
|
|
669 | char); |
598 | |
670 | |
599 | av = (AV *)mg->mg_obj; |
671 | ((PADLIST **)(mg->mg_ptr + sizeof (size_t))) [(*(size_t *)mg->mg_ptr)++] = CvPADLIST (cv); |
600 | |
|
|
601 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
|
|
602 | av_extend (av, AvFILLp (av) + 1); |
|
|
603 | |
|
|
604 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
|
|
605 | } |
672 | } |
606 | |
673 | |
607 | /** load & save, init *******************************************************/ |
674 | /** load & save, init *******************************************************/ |
|
|
675 | |
|
|
676 | ecb_inline void |
|
|
677 | swap_sv (SV *a, SV *b) |
|
|
678 | { |
|
|
679 | const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */ |
|
|
680 | SV tmp; |
|
|
681 | |
|
|
682 | /* swap sv_any */ |
|
|
683 | SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp); |
|
|
684 | |
|
|
685 | /* swap sv_flags */ |
|
|
686 | SvFLAGS (&tmp) = SvFLAGS (a); |
|
|
687 | SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep); |
|
|
688 | SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep); |
|
|
689 | |
|
|
690 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
691 | /* perl 5.10 and later complicates this _quite_ a bit, but it also |
|
|
692 | * is much faster, so no quarrels here. alternatively, we could |
|
|
693 | * sv_upgrade to avoid this. |
|
|
694 | */ |
|
|
695 | { |
|
|
696 | /* swap sv_u */ |
|
|
697 | tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u; |
|
|
698 | |
|
|
699 | /* if SvANY points to the head, we need to adjust the pointers, |
|
|
700 | * as the pointer for a still points to b, and maybe vice versa. |
|
|
701 | */ |
|
|
702 | #define svany_in_head(type) \ |
|
|
703 | (((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type))) |
|
|
704 | |
|
|
705 | if (svany_in_head (SvTYPE (a))) |
|
|
706 | SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a); |
|
|
707 | |
|
|
708 | if (svany_in_head (SvTYPE (b))) |
|
|
709 | SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b); |
|
|
710 | } |
|
|
711 | #endif |
|
|
712 | } |
|
|
713 | |
|
|
714 | /* swap sv heads, at least logically */ |
|
|
715 | static void |
|
|
716 | swap_svs (pTHX_ Coro__State c) |
|
|
717 | { |
|
|
718 | int i; |
|
|
719 | |
|
|
720 | for (i = 0; i <= AvFILLp (c->swap_sv); i += 2) |
|
|
721 | swap_sv (AvARRAY (c->swap_sv)[i], AvARRAY (c->swap_sv)[i + 1]); |
|
|
722 | } |
|
|
723 | |
|
|
724 | #define SWAP_SVS(coro) \ |
|
|
725 | if (ecb_expect_false ((coro)->swap_sv)) \ |
|
|
726 | swap_svs (aTHX_ (coro)) |
608 | |
727 | |
609 | static void |
728 | static void |
610 | on_enterleave_call (pTHX_ SV *cb); |
729 | on_enterleave_call (pTHX_ SV *cb); |
611 | |
730 | |
612 | static void |
731 | static void |
… | |
… | |
615 | perl_slots *slot = c->slot; |
734 | perl_slots *slot = c->slot; |
616 | c->slot = 0; |
735 | c->slot = 0; |
617 | |
736 | |
618 | PL_mainstack = c->mainstack; |
737 | PL_mainstack = c->mainstack; |
619 | |
738 | |
620 | GvSV (PL_defgv) = slot->defsv; |
739 | #if CORO_JIT |
621 | GvAV (PL_defgv) = slot->defav; |
740 | load_perl_slots (slot); |
622 | GvSV (PL_errgv) = slot->errsv; |
741 | #else |
623 | GvSV (irsgv) = slot->irsgv; |
|
|
624 | GvHV (PL_hintgv) = slot->hinthv; |
|
|
625 | |
|
|
626 | #define VAR(name,type) PL_ ## name = slot->name; |
742 | #define VARx(name,expr,type) expr = slot->name; |
627 | # include "state.h" |
743 | #include "state.h" |
628 | #undef VAR |
744 | #endif |
629 | |
745 | |
630 | { |
746 | { |
631 | dSP; |
747 | dSP; |
632 | |
748 | |
633 | CV *cv; |
749 | CV *cv; |
634 | |
750 | |
635 | /* now do the ugly restore mess */ |
751 | /* now do the ugly restore mess */ |
636 | while (expect_true (cv = (CV *)POPs)) |
752 | while (ecb_expect_true (cv = (CV *)POPs)) |
637 | { |
753 | { |
638 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
754 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
639 | CvDEPTH (cv) = PTR2IV (POPs); |
755 | CvDEPTH (cv) = PTR2IV (POPs); |
640 | CvPADLIST (cv) = (AV *)POPs; |
756 | CvPADLIST (cv) = (PADLIST *)POPs; |
641 | } |
757 | } |
642 | |
758 | |
643 | PUTBACK; |
759 | PUTBACK; |
644 | } |
760 | } |
645 | |
761 | |
646 | slf_frame = c->slf_frame; |
762 | slf_frame = c->slf_frame; |
647 | CORO_THROW = c->except; |
763 | CORO_THROW = c->except; |
648 | |
764 | |
649 | if (expect_false (enable_times)) |
765 | if (ecb_expect_false (enable_times)) |
650 | { |
766 | { |
651 | if (expect_false (!times_valid)) |
767 | if (ecb_expect_false (!times_valid)) |
652 | coro_times_update (); |
768 | coro_times_update (); |
653 | |
769 | |
654 | coro_times_sub (c); |
770 | coro_times_sub (c); |
655 | } |
771 | } |
656 | |
772 | |
657 | if (expect_false (c->on_enter)) |
773 | if (ecb_expect_false (c->on_enter)) |
658 | { |
774 | { |
659 | int i; |
775 | int i; |
660 | |
776 | |
661 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
777 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
662 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
778 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
663 | } |
779 | } |
|
|
780 | |
|
|
781 | SWAP_SVS (c); |
664 | } |
782 | } |
665 | |
783 | |
666 | static void |
784 | static void |
667 | save_perl (pTHX_ Coro__State c) |
785 | save_perl (pTHX_ Coro__State c) |
668 | { |
786 | { |
|
|
787 | SWAP_SVS (c); |
|
|
788 | |
669 | if (expect_false (c->on_leave)) |
789 | if (ecb_expect_false (c->on_leave)) |
670 | { |
790 | { |
671 | int i; |
791 | int i; |
672 | |
792 | |
673 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
793 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
674 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
794 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
675 | } |
795 | } |
676 | |
796 | |
677 | times_valid = 0; |
797 | times_valid = 0; |
678 | |
798 | |
679 | if (expect_false (enable_times)) |
799 | if (ecb_expect_false (enable_times)) |
680 | { |
800 | { |
681 | coro_times_update (); times_valid = 1; |
801 | coro_times_update (); times_valid = 1; |
682 | coro_times_add (c); |
802 | coro_times_add (c); |
683 | } |
803 | } |
684 | |
804 | |
… | |
… | |
698 | |
818 | |
699 | XPUSHs (Nullsv); |
819 | XPUSHs (Nullsv); |
700 | /* this loop was inspired by pp_caller */ |
820 | /* this loop was inspired by pp_caller */ |
701 | for (;;) |
821 | for (;;) |
702 | { |
822 | { |
703 | while (expect_true (cxix >= 0)) |
823 | while (ecb_expect_true (cxix >= 0)) |
704 | { |
824 | { |
705 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
825 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
706 | |
826 | |
707 | if (expect_true (CxTYPE (cx) == CXt_SUB) || expect_false (CxTYPE (cx) == CXt_FORMAT)) |
827 | if (ecb_expect_true (CxTYPE (cx) == CXt_SUB) || ecb_expect_false (CxTYPE (cx) == CXt_FORMAT)) |
708 | { |
828 | { |
709 | CV *cv = cx->blk_sub.cv; |
829 | CV *cv = cx->blk_sub.cv; |
710 | |
830 | |
711 | if (expect_true (CvDEPTH (cv))) |
831 | if (ecb_expect_true (CvDEPTH (cv))) |
712 | { |
832 | { |
713 | EXTEND (SP, 3); |
833 | EXTEND (SP, 3); |
714 | PUSHs ((SV *)CvPADLIST (cv)); |
834 | PUSHs ((SV *)CvPADLIST (cv)); |
715 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
835 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
716 | PUSHs ((SV *)cv); |
836 | PUSHs ((SV *)cv); |
… | |
… | |
719 | get_padlist (aTHX_ cv); |
839 | get_padlist (aTHX_ cv); |
720 | } |
840 | } |
721 | } |
841 | } |
722 | } |
842 | } |
723 | |
843 | |
724 | if (expect_true (top_si->si_type == PERLSI_MAIN)) |
844 | if (ecb_expect_true (top_si->si_type == PERLSI_MAIN)) |
725 | break; |
845 | break; |
726 | |
846 | |
727 | top_si = top_si->si_prev; |
847 | top_si = top_si->si_prev; |
728 | ccstk = top_si->si_cxstack; |
848 | ccstk = top_si->si_cxstack; |
729 | cxix = top_si->si_cxix; |
849 | cxix = top_si->si_cxix; |
… | |
… | |
731 | |
851 | |
732 | PUTBACK; |
852 | PUTBACK; |
733 | } |
853 | } |
734 | |
854 | |
735 | /* allocate some space on the context stack for our purposes */ |
855 | /* allocate some space on the context stack for our purposes */ |
736 | /* we manually unroll here, as usually 2 slots is enough */ |
856 | if (ecb_expect_false (cxstack_ix + (int)SLOT_COUNT >= cxstack_max)) |
737 | if (SLOT_COUNT >= 1) CXINC; |
|
|
738 | if (SLOT_COUNT >= 2) CXINC; |
|
|
739 | if (SLOT_COUNT >= 3) CXINC; |
|
|
740 | { |
857 | { |
741 | int i; |
858 | unsigned int i; |
|
|
859 | |
742 | for (i = 3; i < SLOT_COUNT; ++i) |
860 | for (i = 0; i < SLOT_COUNT; ++i) |
743 | CXINC; |
861 | CXINC; |
744 | } |
862 | |
745 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
863 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
|
|
864 | } |
746 | |
865 | |
747 | c->mainstack = PL_mainstack; |
866 | c->mainstack = PL_mainstack; |
748 | |
867 | |
749 | { |
868 | { |
750 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
869 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
751 | |
870 | |
752 | slot->defav = GvAV (PL_defgv); |
871 | #if CORO_JIT |
753 | slot->defsv = DEFSV; |
872 | save_perl_slots (slot); |
754 | slot->errsv = ERRSV; |
873 | #else |
755 | slot->irsgv = GvSV (irsgv); |
|
|
756 | slot->hinthv = GvHV (PL_hintgv); |
|
|
757 | |
|
|
758 | #define VAR(name,type) slot->name = PL_ ## name; |
874 | #define VARx(name,expr,type) slot->name = expr; |
759 | # include "state.h" |
875 | #include "state.h" |
760 | #undef VAR |
876 | #endif |
761 | } |
877 | } |
762 | } |
878 | } |
763 | |
879 | |
764 | /* |
880 | /* |
765 | * allocate various perl stacks. This is almost an exact copy |
881 | * allocate various perl stacks. This is almost an exact copy |
… | |
… | |
771 | # define coro_init_stacks(thx) init_stacks () |
887 | # define coro_init_stacks(thx) init_stacks () |
772 | #else |
888 | #else |
773 | static void |
889 | static void |
774 | coro_init_stacks (pTHX) |
890 | coro_init_stacks (pTHX) |
775 | { |
891 | { |
776 | PL_curstackinfo = new_stackinfo(32, 8); |
892 | PL_curstackinfo = new_stackinfo(32, 4 + SLOT_COUNT); /* 3 is minimum due to perl rounding down in scope.c:GROW() */ |
777 | PL_curstackinfo->si_type = PERLSI_MAIN; |
893 | PL_curstackinfo->si_type = PERLSI_MAIN; |
778 | PL_curstack = PL_curstackinfo->si_stack; |
894 | PL_curstack = PL_curstackinfo->si_stack; |
779 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
895 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
780 | |
896 | |
781 | PL_stack_base = AvARRAY(PL_curstack); |
897 | PL_stack_base = AvARRAY(PL_curstack); |
… | |
… | |
796 | #endif |
912 | #endif |
797 | |
913 | |
798 | New(54,PL_scopestack,8,I32); |
914 | New(54,PL_scopestack,8,I32); |
799 | PL_scopestack_ix = 0; |
915 | PL_scopestack_ix = 0; |
800 | PL_scopestack_max = 8; |
916 | PL_scopestack_max = 8; |
|
|
917 | #if HAS_SCOPESTACK_NAME |
|
|
918 | New(54,PL_scopestack_name,8,const char*); |
|
|
919 | #endif |
801 | |
920 | |
802 | New(54,PL_savestack,24,ANY); |
921 | New(54,PL_savestack,24,ANY); |
803 | PL_savestack_ix = 0; |
922 | PL_savestack_ix = 0; |
804 | PL_savestack_max = 24; |
923 | PL_savestack_max = 24; |
805 | |
924 | |
… | |
… | |
833 | } |
952 | } |
834 | |
953 | |
835 | Safefree (PL_tmps_stack); |
954 | Safefree (PL_tmps_stack); |
836 | Safefree (PL_markstack); |
955 | Safefree (PL_markstack); |
837 | Safefree (PL_scopestack); |
956 | Safefree (PL_scopestack); |
|
|
957 | #if HAS_SCOPESTACK_NAME |
|
|
958 | Safefree (PL_scopestack_name); |
|
|
959 | #endif |
838 | Safefree (PL_savestack); |
960 | Safefree (PL_savestack); |
839 | #if !PERL_VERSION_ATLEAST (5,10,0) |
961 | #if !PERL_VERSION_ATLEAST (5,10,0) |
840 | Safefree (PL_retstack); |
962 | Safefree (PL_retstack); |
841 | #endif |
963 | #endif |
842 | } |
964 | } |
… | |
… | |
888 | #endif |
1010 | #endif |
889 | |
1011 | |
890 | /* |
1012 | /* |
891 | * This overrides the default magic get method of %SIG elements. |
1013 | * This overrides the default magic get method of %SIG elements. |
892 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
1014 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
893 | * and instead of trying to save and restore the hash elements, we just provide |
1015 | * and instead of trying to save and restore the hash elements (extremely slow), |
894 | * readback here. |
1016 | * we just provide our own readback here. |
895 | */ |
1017 | */ |
896 | static int |
1018 | static int ecb_cold |
897 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
1019 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
898 | { |
1020 | { |
899 | const char *s = MgPV_nolen_const (mg); |
1021 | const char *s = MgPV_nolen_const (mg); |
900 | |
1022 | |
901 | if (*s == '_') |
1023 | if (*s == '_') |
902 | { |
1024 | { |
903 | SV **svp = 0; |
1025 | SV **svp = 0; |
904 | |
1026 | |
905 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
1027 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
906 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
1028 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
907 | |
1029 | |
908 | if (svp) |
1030 | if (svp) |
909 | { |
1031 | { |
910 | sv_setsv (sv, *svp ? *svp : &PL_sv_undef); |
1032 | SV *ssv; |
|
|
1033 | |
|
|
1034 | if (!*svp) |
|
|
1035 | ssv = &PL_sv_undef; |
|
|
1036 | else if (SvTYPE (*svp) == SVt_PVCV) /* perlio directly stores a CV in warnhook. ugh. */ |
|
|
1037 | ssv = sv_2mortal (newRV_inc (*svp)); |
|
|
1038 | else |
|
|
1039 | ssv = *svp; |
|
|
1040 | |
|
|
1041 | sv_setsv (sv, ssv); |
911 | return 0; |
1042 | return 0; |
912 | } |
1043 | } |
913 | } |
1044 | } |
914 | |
1045 | |
915 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
1046 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
916 | } |
1047 | } |
917 | |
1048 | |
918 | static int |
1049 | static int ecb_cold |
919 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
1050 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
920 | { |
1051 | { |
921 | const char *s = MgPV_nolen_const (mg); |
1052 | const char *s = MgPV_nolen_const (mg); |
922 | |
1053 | |
923 | if (*s == '_') |
1054 | if (*s == '_') |
… | |
… | |
937 | } |
1068 | } |
938 | |
1069 | |
939 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
1070 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
940 | } |
1071 | } |
941 | |
1072 | |
942 | static int |
1073 | static int ecb_cold |
943 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
1074 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
944 | { |
1075 | { |
945 | const char *s = MgPV_nolen_const (mg); |
1076 | const char *s = MgPV_nolen_const (mg); |
946 | |
1077 | |
947 | if (*s == '_') |
1078 | if (*s == '_') |
… | |
… | |
980 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
1111 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
981 | { |
1112 | { |
982 | return 1; |
1113 | return 1; |
983 | } |
1114 | } |
984 | |
1115 | |
985 | static UNOP coro_setup_op; |
1116 | static UNOP init_perl_op; |
986 | |
1117 | |
987 | static void NOINLINE /* noinline to keep it out of the transfer fast path */ |
1118 | ecb_noinline static void /* noinline to keep it out of the transfer fast path */ |
988 | coro_setup (pTHX_ struct coro *coro) |
1119 | init_perl (pTHX_ struct coro *coro) |
989 | { |
1120 | { |
990 | /* |
1121 | /* |
991 | * emulate part of the perl startup here. |
1122 | * emulate part of the perl startup here. |
992 | */ |
1123 | */ |
993 | coro_init_stacks (aTHX); |
1124 | coro_init_stacks (aTHX); |
… | |
… | |
1000 | PL_comppad_name_fill = 0; |
1131 | PL_comppad_name_fill = 0; |
1001 | PL_comppad_name_floor = 0; |
1132 | PL_comppad_name_floor = 0; |
1002 | PL_curpm = 0; |
1133 | PL_curpm = 0; |
1003 | PL_curpad = 0; |
1134 | PL_curpad = 0; |
1004 | PL_localizing = 0; |
1135 | PL_localizing = 0; |
1005 | PL_dirty = 0; |
|
|
1006 | PL_restartop = 0; |
1136 | PL_restartop = 0; |
1007 | #if PERL_VERSION_ATLEAST (5,10,0) |
1137 | #if PERL_VERSION_ATLEAST (5,10,0) |
1008 | PL_parser = 0; |
1138 | PL_parser = 0; |
1009 | #endif |
1139 | #endif |
1010 | PL_hints = 0; |
1140 | PL_hints = 0; |
1011 | |
1141 | |
1012 | /* recreate the die/warn hooks */ |
1142 | /* recreate the die/warn hooks */ |
1013 | PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); |
1143 | PL_diehook = SvREFCNT_inc (rv_diehook); |
1014 | PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook); |
1144 | PL_warnhook = SvREFCNT_inc (rv_warnhook); |
1015 | |
1145 | |
1016 | GvSV (PL_defgv) = newSV (0); |
1146 | GvSV (PL_defgv) = newSV (0); |
1017 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1147 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1018 | GvSV (PL_errgv) = newSV (0); |
1148 | GvSV (PL_errgv) = newSV (0); |
1019 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
1149 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
1020 | GvHV (PL_hintgv) = 0; |
1150 | GvHV (PL_hintgv) = 0; |
… | |
… | |
1040 | /* this newly created coroutine might be run on an existing cctx which most |
1170 | /* this newly created coroutine might be run on an existing cctx which most |
1041 | * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. |
1171 | * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. |
1042 | */ |
1172 | */ |
1043 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
1173 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
1044 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
1174 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
|
|
1175 | slf_frame.destroy = 0; |
1045 | |
1176 | |
1046 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
1177 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
1047 | coro_setup_op.op_next = PL_op; |
1178 | init_perl_op.op_next = PL_op; |
1048 | coro_setup_op.op_type = OP_ENTERSUB; |
1179 | init_perl_op.op_type = OP_ENTERSUB; |
1049 | coro_setup_op.op_ppaddr = pp_slf; |
1180 | init_perl_op.op_ppaddr = pp_slf; |
1050 | /* no flags etc. required, as an init function won't be called */ |
1181 | /* no flags etc. required, as an init function won't be called */ |
1051 | |
1182 | |
1052 | PL_op = (OP *)&coro_setup_op; |
1183 | PL_op = (OP *)&init_perl_op; |
1053 | |
1184 | |
1054 | /* copy throw, in case it was set before coro_setup */ |
1185 | /* copy throw, in case it was set before init_perl */ |
1055 | CORO_THROW = coro->except; |
1186 | CORO_THROW = coro->except; |
1056 | |
1187 | |
|
|
1188 | SWAP_SVS (coro); |
|
|
1189 | |
1057 | if (expect_false (enable_times)) |
1190 | if (ecb_expect_false (enable_times)) |
1058 | { |
1191 | { |
1059 | coro_times_update (); |
1192 | coro_times_update (); |
1060 | coro_times_sub (coro); |
1193 | coro_times_sub (coro); |
1061 | } |
1194 | } |
1062 | } |
1195 | } |
… | |
… | |
1081 | dounwind (-1); |
1214 | dounwind (-1); |
1082 | } |
1215 | } |
1083 | } |
1216 | } |
1084 | |
1217 | |
1085 | static void |
1218 | static void |
1086 | coro_destruct_perl (pTHX_ struct coro *coro) |
1219 | destroy_perl (pTHX_ struct coro *coro) |
1087 | { |
1220 | { |
1088 | SV *svf [9]; |
1221 | SV *svf [9]; |
1089 | |
1222 | |
1090 | { |
1223 | { |
|
|
1224 | SV *old_current = SvRV (coro_current); |
1091 | struct coro *current = SvSTATE_current; |
1225 | struct coro *current = SvSTATE (old_current); |
1092 | |
1226 | |
1093 | assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack)); |
1227 | assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack)); |
1094 | |
1228 | |
1095 | save_perl (aTHX_ current); |
1229 | save_perl (aTHX_ current); |
|
|
1230 | |
|
|
1231 | /* this will cause transfer_check to croak on block*/ |
|
|
1232 | SvRV_set (coro_current, (SV *)coro->hv); |
|
|
1233 | |
1096 | load_perl (aTHX_ coro); |
1234 | load_perl (aTHX_ coro); |
1097 | |
1235 | |
1098 | coro_unwind_stacks (aTHX); |
1236 | coro_unwind_stacks (aTHX); |
|
|
1237 | |
|
|
1238 | /* restore swapped sv's */ |
|
|
1239 | SWAP_SVS (coro); |
|
|
1240 | |
1099 | coro_destruct_stacks (aTHX); |
1241 | coro_destruct_stacks (aTHX); |
1100 | |
1242 | |
1101 | // now save some sv's to be free'd later |
1243 | /* now save some sv's to be free'd later */ |
1102 | svf [0] = GvSV (PL_defgv); |
1244 | svf [0] = GvSV (PL_defgv); |
1103 | svf [1] = (SV *)GvAV (PL_defgv); |
1245 | svf [1] = (SV *)GvAV (PL_defgv); |
1104 | svf [2] = GvSV (PL_errgv); |
1246 | svf [2] = GvSV (PL_errgv); |
1105 | svf [3] = (SV *)PL_defoutgv; |
1247 | svf [3] = (SV *)PL_defoutgv; |
1106 | svf [4] = PL_rs; |
1248 | svf [4] = PL_rs; |
… | |
… | |
1108 | svf [6] = (SV *)GvHV (PL_hintgv); |
1250 | svf [6] = (SV *)GvHV (PL_hintgv); |
1109 | svf [7] = PL_diehook; |
1251 | svf [7] = PL_diehook; |
1110 | svf [8] = PL_warnhook; |
1252 | svf [8] = PL_warnhook; |
1111 | assert (9 == sizeof (svf) / sizeof (*svf)); |
1253 | assert (9 == sizeof (svf) / sizeof (*svf)); |
1112 | |
1254 | |
|
|
1255 | SvRV_set (coro_current, old_current); |
|
|
1256 | |
1113 | load_perl (aTHX_ current); |
1257 | load_perl (aTHX_ current); |
1114 | } |
1258 | } |
1115 | |
1259 | |
1116 | { |
1260 | { |
1117 | int i; |
1261 | unsigned int i; |
1118 | |
1262 | |
1119 | for (i = 0; i < sizeof (svf) / sizeof (*svf); ++i) |
1263 | for (i = 0; i < sizeof (svf) / sizeof (*svf); ++i) |
1120 | SvREFCNT_dec (svf [i]); |
1264 | SvREFCNT_dec (svf [i]); |
1121 | |
1265 | |
1122 | SvREFCNT_dec (coro->saved_deffh); |
1266 | SvREFCNT_dec (coro->saved_deffh); |
… | |
… | |
1124 | SvREFCNT_dec (coro->invoke_cb); |
1268 | SvREFCNT_dec (coro->invoke_cb); |
1125 | SvREFCNT_dec (coro->invoke_av); |
1269 | SvREFCNT_dec (coro->invoke_av); |
1126 | } |
1270 | } |
1127 | } |
1271 | } |
1128 | |
1272 | |
1129 | INLINE void |
1273 | ecb_inline void |
1130 | free_coro_mortal (pTHX) |
1274 | free_coro_mortal (pTHX) |
1131 | { |
1275 | { |
1132 | if (expect_true (coro_mortal)) |
1276 | if (ecb_expect_true (coro_mortal)) |
1133 | { |
1277 | { |
1134 | SvREFCNT_dec (coro_mortal); |
1278 | SvREFCNT_dec ((SV *)coro_mortal); |
1135 | coro_mortal = 0; |
1279 | coro_mortal = 0; |
1136 | } |
1280 | } |
1137 | } |
1281 | } |
1138 | |
1282 | |
1139 | static int |
1283 | static int |
… | |
… | |
1272 | |
1416 | |
1273 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1417 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1274 | } |
1418 | } |
1275 | |
1419 | |
1276 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1420 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1277 | static void NOINLINE |
1421 | static void ecb_noinline |
1278 | cctx_prepare (pTHX) |
1422 | cctx_prepare (pTHX) |
1279 | { |
1423 | { |
1280 | PL_top_env = &PL_start_env; |
1424 | PL_top_env = &PL_start_env; |
1281 | |
1425 | |
1282 | if (cctx_current->flags & CC_TRACE) |
1426 | if (cctx_current->flags & CC_TRACE) |
… | |
… | |
1293 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1437 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1294 | slf_frame.check = slf_check_set_stacklevel; |
1438 | slf_frame.check = slf_check_set_stacklevel; |
1295 | } |
1439 | } |
1296 | |
1440 | |
1297 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1441 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1298 | INLINE void |
1442 | ecb_inline void |
1299 | transfer_tail (pTHX) |
1443 | transfer_tail (pTHX) |
1300 | { |
1444 | { |
1301 | free_coro_mortal (aTHX); |
1445 | free_coro_mortal (aTHX); |
|
|
1446 | } |
|
|
1447 | |
|
|
1448 | /* try to exit the same way perl's main function would do */ |
|
|
1449 | /* we do not bother resetting the environment or other things *7 |
|
|
1450 | /* that are not, uhm, essential */ |
|
|
1451 | /* this obviously also doesn't work when perl is embedded */ |
|
|
1452 | static void ecb_noinline ecb_cold |
|
|
1453 | perlish_exit (pTHX) |
|
|
1454 | { |
|
|
1455 | int exitstatus = perl_destruct (PL_curinterp); |
|
|
1456 | perl_free (PL_curinterp); |
|
|
1457 | exit (exitstatus); |
1302 | } |
1458 | } |
1303 | |
1459 | |
1304 | /* |
1460 | /* |
1305 | * this is a _very_ stripped down perl interpreter ;) |
1461 | * this is a _very_ stripped down perl interpreter ;) |
1306 | */ |
1462 | */ |
… | |
… | |
1328 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1484 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1329 | PL_restartop = PL_op; |
1485 | PL_restartop = PL_op; |
1330 | perl_run (PL_curinterp); |
1486 | perl_run (PL_curinterp); |
1331 | /* |
1487 | /* |
1332 | * Unfortunately, there is no way to get at the return values of the |
1488 | * Unfortunately, there is no way to get at the return values of the |
1333 | * coro body here, as perl_run destroys these |
1489 | * coro body here, as perl_run destroys these. Likewise, we cannot catch |
|
|
1490 | * runtime errors here, as this is just a random interpreter, not a thread. |
1334 | */ |
1491 | */ |
1335 | |
1492 | |
1336 | /* |
1493 | /* |
1337 | * If perl-run returns we assume exit() was being called or the coro |
1494 | * If perl-run returns we assume exit() was being called or the coro |
1338 | * fell off the end, which seems to be the only valid (non-bug) |
1495 | * fell off the end, which seems to be the only valid (non-bug) |
1339 | * reason for perl_run to return. We try to exit by jumping to the |
1496 | * reason for perl_run to return. We try to mimic whatever perl is normally |
1340 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
1497 | * doing in that case. YMMV. |
1341 | * coroutine as Coro has no such concept. |
|
|
1342 | * This actually isn't valid with the pthread backend, but OSes requiring |
|
|
1343 | * that backend are too broken to do it in a standards-compliant way. |
|
|
1344 | */ |
1498 | */ |
1345 | PL_top_env = main_top_env; |
1499 | perlish_exit (aTHX); |
1346 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
|
|
1347 | } |
1500 | } |
1348 | } |
1501 | } |
1349 | |
1502 | |
1350 | static coro_cctx * |
1503 | static coro_cctx * |
1351 | cctx_new () |
1504 | cctx_new (void) |
1352 | { |
1505 | { |
1353 | coro_cctx *cctx; |
1506 | coro_cctx *cctx; |
1354 | |
1507 | |
1355 | ++cctx_count; |
1508 | ++cctx_count; |
1356 | New (0, cctx, 1, coro_cctx); |
1509 | New (0, cctx, 1, coro_cctx); |
… | |
… | |
1362 | return cctx; |
1515 | return cctx; |
1363 | } |
1516 | } |
1364 | |
1517 | |
1365 | /* create a new cctx only suitable as source */ |
1518 | /* create a new cctx only suitable as source */ |
1366 | static coro_cctx * |
1519 | static coro_cctx * |
1367 | cctx_new_empty () |
1520 | cctx_new_empty (void) |
1368 | { |
1521 | { |
1369 | coro_cctx *cctx = cctx_new (); |
1522 | coro_cctx *cctx = cctx_new (); |
1370 | |
1523 | |
1371 | cctx->sptr = 0; |
1524 | cctx->sptr = 0; |
1372 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
1525 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
… | |
… | |
1374 | return cctx; |
1527 | return cctx; |
1375 | } |
1528 | } |
1376 | |
1529 | |
1377 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1530 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1378 | static coro_cctx * |
1531 | static coro_cctx * |
1379 | cctx_new_run () |
1532 | cctx_new_run (void) |
1380 | { |
1533 | { |
1381 | coro_cctx *cctx = cctx_new (); |
1534 | coro_cctx *cctx = cctx_new (); |
1382 | void *stack_start; |
1535 | void *stack_start; |
1383 | size_t stack_size; |
1536 | size_t stack_size; |
1384 | |
1537 | |
1385 | #if HAVE_MMAP |
1538 | #if HAVE_MMAP |
1386 | cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
1539 | cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
1387 | /* mmap supposedly does allocate-on-write for us */ |
1540 | /* mmap supposedly does allocate-on-write for us */ |
1388 | cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
1541 | cctx->sptr = mmap (0, cctx->ssize, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_ANONYMOUS, -1, 0); |
1389 | |
1542 | |
1390 | if (cctx->sptr != (void *)-1) |
1543 | if (cctx->sptr != (void *)-1) |
1391 | { |
1544 | { |
1392 | #if CORO_STACKGUARD |
1545 | #if CORO_STACKGUARD |
1393 | mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); |
1546 | mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); |
… | |
… | |
1425 | cctx_destroy (coro_cctx *cctx) |
1578 | cctx_destroy (coro_cctx *cctx) |
1426 | { |
1579 | { |
1427 | if (!cctx) |
1580 | if (!cctx) |
1428 | return; |
1581 | return; |
1429 | |
1582 | |
1430 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));//D temporary? |
1583 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current)); |
1431 | |
1584 | |
1432 | --cctx_count; |
1585 | --cctx_count; |
1433 | coro_destroy (&cctx->cctx); |
1586 | coro_destroy (&cctx->cctx); |
1434 | |
1587 | |
1435 | /* coro_transfer creates new, empty cctx's */ |
1588 | /* coro_transfer creates new, empty cctx's */ |
… | |
… | |
1454 | #define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) |
1607 | #define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) |
1455 | |
1608 | |
1456 | static coro_cctx * |
1609 | static coro_cctx * |
1457 | cctx_get (pTHX) |
1610 | cctx_get (pTHX) |
1458 | { |
1611 | { |
1459 | while (expect_true (cctx_first)) |
1612 | while (ecb_expect_true (cctx_first)) |
1460 | { |
1613 | { |
1461 | coro_cctx *cctx = cctx_first; |
1614 | coro_cctx *cctx = cctx_first; |
1462 | cctx_first = cctx->next; |
1615 | cctx_first = cctx->next; |
1463 | --cctx_idle; |
1616 | --cctx_idle; |
1464 | |
1617 | |
1465 | if (expect_true (!CCTX_EXPIRED (cctx))) |
1618 | if (ecb_expect_true (!CCTX_EXPIRED (cctx))) |
1466 | return cctx; |
1619 | return cctx; |
1467 | |
1620 | |
1468 | cctx_destroy (cctx); |
1621 | cctx_destroy (cctx); |
1469 | } |
1622 | } |
1470 | |
1623 | |
… | |
… | |
1475 | cctx_put (coro_cctx *cctx) |
1628 | cctx_put (coro_cctx *cctx) |
1476 | { |
1629 | { |
1477 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr)); |
1630 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr)); |
1478 | |
1631 | |
1479 | /* free another cctx if overlimit */ |
1632 | /* free another cctx if overlimit */ |
1480 | if (expect_false (cctx_idle >= cctx_max_idle)) |
1633 | if (ecb_expect_false (cctx_idle >= cctx_max_idle)) |
1481 | { |
1634 | { |
1482 | coro_cctx *first = cctx_first; |
1635 | coro_cctx *first = cctx_first; |
1483 | cctx_first = first->next; |
1636 | cctx_first = first->next; |
1484 | --cctx_idle; |
1637 | --cctx_idle; |
1485 | |
1638 | |
… | |
… | |
1496 | static void |
1649 | static void |
1497 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1650 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1498 | { |
1651 | { |
1499 | /* TODO: throwing up here is considered harmful */ |
1652 | /* TODO: throwing up here is considered harmful */ |
1500 | |
1653 | |
1501 | if (expect_true (prev != next)) |
1654 | if (ecb_expect_true (prev != next)) |
1502 | { |
1655 | { |
1503 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1656 | if (ecb_expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1504 | croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); |
1657 | croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); |
1505 | |
1658 | |
1506 | if (expect_false (next->flags & (CF_RUNNING | CF_DESTROYED | CF_SUSPENDED))) |
1659 | if (ecb_expect_false (next->flags & (CF_RUNNING | CF_ZOMBIE | CF_SUSPENDED))) |
1507 | croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); |
1660 | croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); |
1508 | |
1661 | |
1509 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1662 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1510 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1663 | if (ecb_expect_false (PL_lex_state != LEX_NOTPARSING)) |
1511 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1664 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1512 | #endif |
1665 | #endif |
1513 | } |
1666 | } |
1514 | } |
1667 | } |
1515 | |
1668 | |
1516 | /* always use the TRANSFER macro */ |
1669 | /* always use the TRANSFER macro */ |
1517 | static void NOINLINE /* noinline so we have a fixed stackframe */ |
1670 | static void ecb_noinline /* noinline so we have a fixed stackframe */ |
1518 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1671 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1519 | { |
1672 | { |
1520 | dSTACKLEVEL; |
1673 | dSTACKLEVEL; |
1521 | |
1674 | |
1522 | /* sometimes transfer is only called to set idle_sp */ |
1675 | /* sometimes transfer is only called to set idle_sp */ |
1523 | if (expect_false (!prev)) |
1676 | if (ecb_expect_false (!prev)) |
1524 | { |
1677 | { |
1525 | cctx_current->idle_sp = STACKLEVEL; |
1678 | cctx_current->idle_sp = STACKLEVEL; |
1526 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1679 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1527 | } |
1680 | } |
1528 | else if (expect_true (prev != next)) |
1681 | else if (ecb_expect_true (prev != next)) |
1529 | { |
1682 | { |
1530 | coro_cctx *cctx_prev; |
1683 | coro_cctx *cctx_prev; |
1531 | |
1684 | |
1532 | if (expect_false (prev->flags & CF_NEW)) |
1685 | if (ecb_expect_false (prev->flags & CF_NEW)) |
1533 | { |
1686 | { |
1534 | /* create a new empty/source context */ |
1687 | /* create a new empty/source context */ |
1535 | prev->flags &= ~CF_NEW; |
1688 | prev->flags &= ~CF_NEW; |
1536 | prev->flags |= CF_RUNNING; |
1689 | prev->flags |= CF_RUNNING; |
1537 | } |
1690 | } |
… | |
… | |
1540 | next->flags |= CF_RUNNING; |
1693 | next->flags |= CF_RUNNING; |
1541 | |
1694 | |
1542 | /* first get rid of the old state */ |
1695 | /* first get rid of the old state */ |
1543 | save_perl (aTHX_ prev); |
1696 | save_perl (aTHX_ prev); |
1544 | |
1697 | |
1545 | if (expect_false (next->flags & CF_NEW)) |
1698 | if (ecb_expect_false (next->flags & CF_NEW)) |
1546 | { |
1699 | { |
1547 | /* need to start coroutine */ |
1700 | /* need to start coroutine */ |
1548 | next->flags &= ~CF_NEW; |
1701 | next->flags &= ~CF_NEW; |
1549 | /* setup coroutine call */ |
1702 | /* setup coroutine call */ |
1550 | coro_setup (aTHX_ next); |
1703 | init_perl (aTHX_ next); |
1551 | } |
1704 | } |
1552 | else |
1705 | else |
1553 | load_perl (aTHX_ next); |
1706 | load_perl (aTHX_ next); |
1554 | |
1707 | |
1555 | /* possibly untie and reuse the cctx */ |
1708 | /* possibly untie and reuse the cctx */ |
1556 | if (expect_true ( |
1709 | if (ecb_expect_true ( |
1557 | cctx_current->idle_sp == STACKLEVEL |
1710 | cctx_current->idle_sp == STACKLEVEL |
1558 | && !(cctx_current->flags & CC_TRACE) |
1711 | && !(cctx_current->flags & CC_TRACE) |
1559 | && !force_cctx |
1712 | && !force_cctx |
1560 | )) |
1713 | )) |
1561 | { |
1714 | { |
1562 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1715 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1563 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1716 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1564 | |
1717 | |
1565 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1718 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1566 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1719 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1567 | if (expect_false (CCTX_EXPIRED (cctx_current))) |
1720 | if (ecb_expect_false (CCTX_EXPIRED (cctx_current))) |
1568 | if (expect_true (!next->cctx)) |
1721 | if (ecb_expect_true (!next->cctx)) |
1569 | next->cctx = cctx_get (aTHX); |
1722 | next->cctx = cctx_get (aTHX); |
1570 | |
1723 | |
1571 | cctx_put (cctx_current); |
1724 | cctx_put (cctx_current); |
1572 | } |
1725 | } |
1573 | else |
1726 | else |
1574 | prev->cctx = cctx_current; |
1727 | prev->cctx = cctx_current; |
1575 | |
1728 | |
1576 | ++next->usecount; |
1729 | ++next->usecount; |
1577 | |
1730 | |
1578 | cctx_prev = cctx_current; |
1731 | cctx_prev = cctx_current; |
1579 | cctx_current = expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1732 | cctx_current = ecb_expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1580 | |
1733 | |
1581 | next->cctx = 0; |
1734 | next->cctx = 0; |
1582 | |
1735 | |
1583 | if (expect_false (cctx_prev != cctx_current)) |
1736 | if (ecb_expect_false (cctx_prev != cctx_current)) |
1584 | { |
1737 | { |
1585 | cctx_prev->top_env = PL_top_env; |
1738 | cctx_prev->top_env = PL_top_env; |
1586 | PL_top_env = cctx_current->top_env; |
1739 | PL_top_env = cctx_current->top_env; |
1587 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1740 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1588 | } |
1741 | } |
… | |
… | |
1594 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1747 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1595 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1748 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1596 | |
1749 | |
1597 | /** high level stuff ********************************************************/ |
1750 | /** high level stuff ********************************************************/ |
1598 | |
1751 | |
|
|
1752 | /* this function is actually Coro, not Coro::State, but we call it from here */ |
|
|
1753 | /* because it is convenient - but it hasn't been declared yet for that reason */ |
1599 | static int |
1754 | static void |
|
|
1755 | coro_call_on_destroy (pTHX_ struct coro *coro); |
|
|
1756 | |
|
|
1757 | static void |
1600 | coro_state_destroy (pTHX_ struct coro *coro) |
1758 | coro_state_destroy (pTHX_ struct coro *coro) |
1601 | { |
1759 | { |
1602 | if (coro->flags & CF_DESTROYED) |
1760 | if (coro->flags & CF_ZOMBIE) |
1603 | return 0; |
1761 | return; |
1604 | |
1762 | |
1605 | if (coro->on_destroy && !PL_dirty) |
|
|
1606 | coro->on_destroy (aTHX_ coro); |
1763 | slf_destroy (aTHX_ coro); |
1607 | |
1764 | |
1608 | coro->flags |= CF_DESTROYED; |
1765 | coro->flags |= CF_ZOMBIE; |
1609 | |
1766 | |
1610 | if (coro->flags & CF_READY) |
1767 | if (coro->flags & CF_READY) |
1611 | { |
1768 | { |
1612 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1769 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1613 | /* alternative: look through all ready queues and remove the coro */ |
1770 | /* alternative: look through all ready queues and remove the coro */ |
1614 | --coro_nready; |
1771 | --coro_nready; |
1615 | } |
1772 | } |
1616 | else |
1773 | else |
1617 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
1774 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
|
|
1775 | |
|
|
1776 | if (coro->next) coro->next->prev = coro->prev; |
|
|
1777 | if (coro->prev) coro->prev->next = coro->next; |
|
|
1778 | if (coro == coro_first) coro_first = coro->next; |
1618 | |
1779 | |
1619 | if (coro->mainstack |
1780 | if (coro->mainstack |
1620 | && coro->mainstack != main_mainstack |
1781 | && coro->mainstack != main_mainstack |
1621 | && coro->slot |
1782 | && coro->slot |
1622 | && !PL_dirty) |
1783 | && !PL_dirty) |
1623 | coro_destruct_perl (aTHX_ coro); |
1784 | destroy_perl (aTHX_ coro); |
1624 | |
1785 | |
1625 | cctx_destroy (coro->cctx); |
1786 | cctx_destroy (coro->cctx); |
1626 | SvREFCNT_dec (coro->startcv); |
1787 | SvREFCNT_dec (coro->startcv); |
1627 | SvREFCNT_dec (coro->args); |
1788 | SvREFCNT_dec (coro->args); |
|
|
1789 | SvREFCNT_dec (coro->swap_sv); |
1628 | SvREFCNT_dec (CORO_THROW); |
1790 | SvREFCNT_dec (CORO_THROW); |
1629 | |
1791 | |
1630 | if (coro->next) coro->next->prev = coro->prev; |
1792 | coro_call_on_destroy (aTHX_ coro); |
1631 | if (coro->prev) coro->prev->next = coro->next; |
|
|
1632 | if (coro == coro_first) coro_first = coro->next; |
|
|
1633 | |
1793 | |
1634 | return 1; |
1794 | /* more destruction mayhem in coro_state_free */ |
1635 | } |
1795 | } |
1636 | |
1796 | |
1637 | static int |
1797 | static int |
1638 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1798 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1639 | { |
1799 | { |
1640 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1800 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1641 | mg->mg_ptr = 0; |
1801 | mg->mg_ptr = 0; |
1642 | |
1802 | |
1643 | coro->hv = 0; |
|
|
1644 | |
|
|
1645 | if (--coro->refcnt < 0) |
|
|
1646 | { |
|
|
1647 | coro_state_destroy (aTHX_ coro); |
1803 | coro_state_destroy (aTHX_ coro); |
|
|
1804 | SvREFCNT_dec (coro->on_destroy); |
|
|
1805 | SvREFCNT_dec (coro->status); |
|
|
1806 | |
1648 | Safefree (coro); |
1807 | Safefree (coro); |
1649 | } |
|
|
1650 | |
1808 | |
1651 | return 0; |
1809 | return 0; |
1652 | } |
1810 | } |
1653 | |
1811 | |
1654 | static int |
1812 | static int ecb_cold |
1655 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1813 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1656 | { |
1814 | { |
1657 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1815 | /* called when perl clones the current process the slow way (windows process emulation) */ |
1658 | |
1816 | /* WE SIMply nuke the pointers in the copy, causing perl to croak */ |
1659 | ++coro->refcnt; |
1817 | mg->mg_ptr = 0; |
|
|
1818 | mg->mg_virtual = 0; |
1660 | |
1819 | |
1661 | return 0; |
1820 | return 0; |
1662 | } |
1821 | } |
1663 | |
1822 | |
1664 | static MGVTBL coro_state_vtbl = { |
1823 | static MGVTBL coro_state_vtbl = { |
… | |
… | |
1687 | |
1846 | |
1688 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1847 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1689 | TRANSFER (ta, 1); |
1848 | TRANSFER (ta, 1); |
1690 | } |
1849 | } |
1691 | |
1850 | |
1692 | /*****************************************************************************/ |
|
|
1693 | /* gensub: simple closure generation utility */ |
|
|
1694 | |
|
|
1695 | #define GENSUB_ARG CvXSUBANY (cv).any_ptr |
|
|
1696 | |
|
|
1697 | /* create a closure from XS, returns a code reference */ |
|
|
1698 | /* the arg can be accessed via GENSUB_ARG from the callback */ |
|
|
1699 | /* the callback must use dXSARGS/XSRETURN */ |
|
|
1700 | static SV * |
|
|
1701 | gensub (pTHX_ void (*xsub)(pTHX_ CV *), void *arg) |
|
|
1702 | { |
|
|
1703 | CV *cv = (CV *)newSV (0); |
|
|
1704 | |
|
|
1705 | sv_upgrade ((SV *)cv, SVt_PVCV); |
|
|
1706 | |
|
|
1707 | CvANON_on (cv); |
|
|
1708 | CvISXSUB_on (cv); |
|
|
1709 | CvXSUB (cv) = xsub; |
|
|
1710 | GENSUB_ARG = arg; |
|
|
1711 | |
|
|
1712 | return newRV_noinc ((SV *)cv); |
|
|
1713 | } |
|
|
1714 | |
|
|
1715 | /** Coro ********************************************************************/ |
1851 | /** Coro ********************************************************************/ |
1716 | |
1852 | |
1717 | INLINE void |
1853 | ecb_inline void |
1718 | coro_enq (pTHX_ struct coro *coro) |
1854 | coro_enq (pTHX_ struct coro *coro) |
1719 | { |
1855 | { |
1720 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1856 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1721 | |
1857 | |
1722 | SvREFCNT_inc_NN (coro->hv); |
1858 | SvREFCNT_inc_NN (coro->hv); |
… | |
… | |
1724 | coro->next_ready = 0; |
1860 | coro->next_ready = 0; |
1725 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
1861 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
1726 | ready [1] = coro; |
1862 | ready [1] = coro; |
1727 | } |
1863 | } |
1728 | |
1864 | |
1729 | INLINE struct coro * |
1865 | ecb_inline struct coro * |
1730 | coro_deq (pTHX) |
1866 | coro_deq (pTHX) |
1731 | { |
1867 | { |
1732 | int prio; |
1868 | int prio; |
1733 | |
1869 | |
1734 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
1870 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
… | |
… | |
1744 | } |
1880 | } |
1745 | |
1881 | |
1746 | return 0; |
1882 | return 0; |
1747 | } |
1883 | } |
1748 | |
1884 | |
|
|
1885 | static void |
|
|
1886 | invoke_sv_ready_hook_helper (void) |
|
|
1887 | { |
|
|
1888 | dTHX; |
|
|
1889 | dSP; |
|
|
1890 | |
|
|
1891 | ENTER; |
|
|
1892 | SAVETMPS; |
|
|
1893 | |
|
|
1894 | PUSHMARK (SP); |
|
|
1895 | PUTBACK; |
|
|
1896 | call_sv (coro_readyhook, G_VOID | G_DISCARD); |
|
|
1897 | |
|
|
1898 | FREETMPS; |
|
|
1899 | LEAVE; |
|
|
1900 | } |
|
|
1901 | |
1749 | static int |
1902 | static int |
1750 | api_ready (pTHX_ SV *coro_sv) |
1903 | api_ready (pTHX_ SV *coro_sv) |
1751 | { |
1904 | { |
1752 | struct coro *coro; |
|
|
1753 | SV *sv_hook; |
|
|
1754 | void (*xs_hook)(void); |
|
|
1755 | |
|
|
1756 | coro = SvSTATE (coro_sv); |
1905 | struct coro *coro = SvSTATE (coro_sv); |
1757 | |
1906 | |
1758 | if (coro->flags & CF_READY) |
1907 | if (coro->flags & CF_READY) |
1759 | return 0; |
1908 | return 0; |
1760 | |
1909 | |
1761 | coro->flags |= CF_READY; |
1910 | coro->flags |= CF_READY; |
1762 | |
1911 | |
1763 | sv_hook = coro_nready ? 0 : coro_readyhook; |
|
|
1764 | xs_hook = coro_nready ? 0 : coroapi.readyhook; |
|
|
1765 | |
|
|
1766 | coro_enq (aTHX_ coro); |
1912 | coro_enq (aTHX_ coro); |
1767 | ++coro_nready; |
|
|
1768 | |
1913 | |
1769 | if (sv_hook) |
1914 | if (!coro_nready++) |
1770 | { |
1915 | if (coroapi.readyhook) |
1771 | dSP; |
1916 | coroapi.readyhook (); |
1772 | |
|
|
1773 | ENTER; |
|
|
1774 | SAVETMPS; |
|
|
1775 | |
|
|
1776 | PUSHMARK (SP); |
|
|
1777 | PUTBACK; |
|
|
1778 | call_sv (sv_hook, G_VOID | G_DISCARD); |
|
|
1779 | |
|
|
1780 | FREETMPS; |
|
|
1781 | LEAVE; |
|
|
1782 | } |
|
|
1783 | |
|
|
1784 | if (xs_hook) |
|
|
1785 | xs_hook (); |
|
|
1786 | |
1917 | |
1787 | return 1; |
1918 | return 1; |
1788 | } |
1919 | } |
1789 | |
1920 | |
1790 | static int |
1921 | static int |
… | |
… | |
1792 | { |
1923 | { |
1793 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1924 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1794 | } |
1925 | } |
1795 | |
1926 | |
1796 | /* expects to own a reference to next->hv */ |
1927 | /* expects to own a reference to next->hv */ |
1797 | INLINE void |
1928 | ecb_inline void |
1798 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1929 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1799 | { |
1930 | { |
1800 | SV *prev_sv = SvRV (coro_current); |
1931 | SV *prev_sv = SvRV (coro_current); |
1801 | |
1932 | |
1802 | ta->prev = SvSTATE_hv (prev_sv); |
1933 | ta->prev = SvSTATE_hv (prev_sv); |
… | |
… | |
1815 | { |
1946 | { |
1816 | for (;;) |
1947 | for (;;) |
1817 | { |
1948 | { |
1818 | struct coro *next = coro_deq (aTHX); |
1949 | struct coro *next = coro_deq (aTHX); |
1819 | |
1950 | |
1820 | if (expect_true (next)) |
1951 | if (ecb_expect_true (next)) |
1821 | { |
1952 | { |
1822 | /* cannot transfer to destroyed coros, skip and look for next */ |
1953 | /* cannot transfer to destroyed coros, skip and look for next */ |
1823 | if (expect_false (next->flags & (CF_DESTROYED | CF_SUSPENDED))) |
1954 | if (ecb_expect_false (next->flags & (CF_ZOMBIE | CF_SUSPENDED))) |
1824 | SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ |
1955 | SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ |
1825 | else |
1956 | else |
1826 | { |
1957 | { |
1827 | next->flags &= ~CF_READY; |
1958 | next->flags &= ~CF_READY; |
1828 | --coro_nready; |
1959 | --coro_nready; |
… | |
… | |
1835 | { |
1966 | { |
1836 | /* nothing to schedule: call the idle handler */ |
1967 | /* nothing to schedule: call the idle handler */ |
1837 | if (SvROK (sv_idle) |
1968 | if (SvROK (sv_idle) |
1838 | && SvOBJECT (SvRV (sv_idle))) |
1969 | && SvOBJECT (SvRV (sv_idle))) |
1839 | { |
1970 | { |
|
|
1971 | if (SvRV (sv_idle) == SvRV (coro_current)) |
|
|
1972 | croak ("FATAL: $Coro::IDLE blocked itself - did you try to block inside an event loop callback? Caught"); |
|
|
1973 | |
1840 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
1974 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
1841 | api_ready (aTHX_ SvRV (sv_idle)); |
1975 | api_ready (aTHX_ SvRV (sv_idle)); |
1842 | --coro_nready; |
1976 | --coro_nready; |
1843 | } |
1977 | } |
1844 | else |
1978 | else |
1845 | { |
1979 | { |
|
|
1980 | /* TODO: deprecated, remove, cannot work reliably *//*D*/ |
1846 | dSP; |
1981 | dSP; |
1847 | |
1982 | |
1848 | ENTER; |
1983 | ENTER; |
1849 | SAVETMPS; |
1984 | SAVETMPS; |
1850 | |
1985 | |
… | |
… | |
1857 | } |
1992 | } |
1858 | } |
1993 | } |
1859 | } |
1994 | } |
1860 | } |
1995 | } |
1861 | |
1996 | |
1862 | INLINE void |
1997 | ecb_inline void |
1863 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1998 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1864 | { |
1999 | { |
1865 | api_ready (aTHX_ coro_current); |
2000 | api_ready (aTHX_ coro_current); |
1866 | prepare_schedule (aTHX_ ta); |
2001 | prepare_schedule (aTHX_ ta); |
1867 | } |
2002 | } |
1868 | |
2003 | |
1869 | INLINE void |
2004 | ecb_inline void |
1870 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
2005 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
1871 | { |
2006 | { |
1872 | SV *prev = SvRV (coro_current); |
2007 | SV *prev = SvRV (coro_current); |
1873 | |
2008 | |
1874 | if (coro_nready) |
2009 | if (coro_nready) |
… | |
… | |
1904 | { |
2039 | { |
1905 | struct coro_transfer_args ta; |
2040 | struct coro_transfer_args ta; |
1906 | |
2041 | |
1907 | prepare_cede (aTHX_ &ta); |
2042 | prepare_cede (aTHX_ &ta); |
1908 | |
2043 | |
1909 | if (expect_true (ta.prev != ta.next)) |
2044 | if (ecb_expect_true (ta.prev != ta.next)) |
1910 | { |
2045 | { |
1911 | TRANSFER (ta, 1); |
2046 | TRANSFER (ta, 1); |
1912 | return 1; |
2047 | return 1; |
1913 | } |
2048 | } |
1914 | else |
2049 | else |
… | |
… | |
1957 | coro->slot->runops = RUNOPS_DEFAULT; |
2092 | coro->slot->runops = RUNOPS_DEFAULT; |
1958 | } |
2093 | } |
1959 | } |
2094 | } |
1960 | |
2095 | |
1961 | static void |
2096 | static void |
|
|
2097 | coro_push_av (pTHX_ AV *av, I32 gimme_v) |
|
|
2098 | { |
|
|
2099 | if (AvFILLp (av) >= 0 && gimme_v != G_VOID) |
|
|
2100 | { |
|
|
2101 | dSP; |
|
|
2102 | |
|
|
2103 | if (gimme_v == G_SCALAR) |
|
|
2104 | XPUSHs (AvARRAY (av)[AvFILLp (av)]); |
|
|
2105 | else |
|
|
2106 | { |
|
|
2107 | int i; |
|
|
2108 | EXTEND (SP, AvFILLp (av) + 1); |
|
|
2109 | |
|
|
2110 | for (i = 0; i <= AvFILLp (av); ++i) |
|
|
2111 | PUSHs (AvARRAY (av)[i]); |
|
|
2112 | } |
|
|
2113 | |
|
|
2114 | PUTBACK; |
|
|
2115 | } |
|
|
2116 | } |
|
|
2117 | |
|
|
2118 | static void |
|
|
2119 | coro_push_on_destroy (pTHX_ struct coro *coro, SV *cb) |
|
|
2120 | { |
|
|
2121 | if (!coro->on_destroy) |
|
|
2122 | coro->on_destroy = newAV (); |
|
|
2123 | |
|
|
2124 | av_push (coro->on_destroy, cb); |
|
|
2125 | } |
|
|
2126 | |
|
|
2127 | static void |
|
|
2128 | slf_destroy_join (pTHX_ struct CoroSLF *frame) |
|
|
2129 | { |
|
|
2130 | SvREFCNT_dec ((SV *)((struct coro *)frame->data)->hv); |
|
|
2131 | } |
|
|
2132 | |
|
|
2133 | static int |
|
|
2134 | slf_check_join (pTHX_ struct CoroSLF *frame) |
|
|
2135 | { |
|
|
2136 | struct coro *coro = (struct coro *)frame->data; |
|
|
2137 | |
|
|
2138 | if (!coro->status) |
|
|
2139 | return 1; |
|
|
2140 | |
|
|
2141 | frame->destroy = 0; |
|
|
2142 | |
|
|
2143 | coro_push_av (aTHX_ coro->status, GIMME_V); |
|
|
2144 | |
|
|
2145 | SvREFCNT_dec ((SV *)coro->hv); |
|
|
2146 | |
|
|
2147 | return 0; |
|
|
2148 | } |
|
|
2149 | |
|
|
2150 | static void |
|
|
2151 | slf_init_join (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2152 | { |
|
|
2153 | struct coro *coro = SvSTATE (items > 0 ? arg [0] : &PL_sv_undef); |
|
|
2154 | |
|
|
2155 | if (items > 1) |
|
|
2156 | croak ("join called with too many arguments"); |
|
|
2157 | |
|
|
2158 | if (coro->status) |
|
|
2159 | frame->prepare = prepare_nop; |
|
|
2160 | else |
|
|
2161 | { |
|
|
2162 | coro_push_on_destroy (aTHX_ coro, SvREFCNT_inc_NN (SvRV (coro_current))); |
|
|
2163 | frame->prepare = prepare_schedule; |
|
|
2164 | } |
|
|
2165 | |
|
|
2166 | frame->check = slf_check_join; |
|
|
2167 | frame->destroy = slf_destroy_join; |
|
|
2168 | frame->data = (void *)coro; |
|
|
2169 | SvREFCNT_inc (coro->hv); |
|
|
2170 | } |
|
|
2171 | |
|
|
2172 | static void |
1962 | coro_call_on_destroy (pTHX_ struct coro *coro) |
2173 | coro_call_on_destroy (pTHX_ struct coro *coro) |
1963 | { |
2174 | { |
1964 | SV **on_destroyp = hv_fetch (coro->hv, "_on_destroy", sizeof ("_on_destroy") - 1, 0); |
2175 | AV *od = coro->on_destroy; |
1965 | SV **statusp = hv_fetch (coro->hv, "_status", sizeof ("_status") - 1, 0); |
|
|
1966 | |
2176 | |
1967 | if (on_destroyp) |
2177 | if (!od) |
1968 | { |
2178 | return; |
1969 | AV *on_destroy = (AV *)SvRV (*on_destroyp); |
|
|
1970 | |
2179 | |
1971 | while (AvFILLp (on_destroy) >= 0) |
2180 | while (AvFILLp (od) >= 0) |
|
|
2181 | { |
|
|
2182 | SV *cb = sv_2mortal (av_pop (od)); |
|
|
2183 | |
|
|
2184 | /* coro hv's (and only hv's at the moment) are supported as well */ |
|
|
2185 | if (SvSTATEhv_p (aTHX_ cb)) |
|
|
2186 | api_ready (aTHX_ cb); |
|
|
2187 | else |
1972 | { |
2188 | { |
1973 | dSP; /* don't disturb outer sp */ |
2189 | dSP; /* don't disturb outer sp */ |
1974 | SV *cb = av_pop (on_destroy); |
|
|
1975 | |
|
|
1976 | PUSHMARK (SP); |
2190 | PUSHMARK (SP); |
1977 | |
2191 | |
1978 | if (statusp) |
2192 | if (coro->status) |
1979 | { |
2193 | { |
1980 | int i; |
2194 | PUTBACK; |
1981 | AV *status = (AV *)SvRV (*statusp); |
2195 | coro_push_av (aTHX_ coro->status, G_ARRAY); |
1982 | EXTEND (SP, AvFILLp (status) + 1); |
2196 | SPAGAIN; |
1983 | |
|
|
1984 | for (i = 0; i <= AvFILLp (status); ++i) |
|
|
1985 | PUSHs (AvARRAY (status)[i]); |
|
|
1986 | } |
2197 | } |
1987 | |
2198 | |
1988 | PUTBACK; |
2199 | PUTBACK; |
1989 | call_sv (sv_2mortal (cb), G_VOID | G_DISCARD); |
2200 | call_sv (cb, G_VOID | G_DISCARD); |
1990 | } |
2201 | } |
1991 | } |
2202 | } |
1992 | } |
2203 | } |
1993 | |
2204 | |
1994 | static void |
2205 | static void |
1995 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2206 | coro_set_status (pTHX_ struct coro *coro, SV **arg, int items) |
1996 | { |
2207 | { |
|
|
2208 | AV *av; |
|
|
2209 | |
|
|
2210 | if (coro->status) |
|
|
2211 | { |
|
|
2212 | av = coro->status; |
|
|
2213 | av_clear (av); |
|
|
2214 | } |
|
|
2215 | else |
|
|
2216 | av = coro->status = newAV (); |
|
|
2217 | |
|
|
2218 | /* items are actually not so common, so optimise for this case */ |
|
|
2219 | if (items) |
|
|
2220 | { |
1997 | int i; |
2221 | int i; |
1998 | HV *hv = (HV *)SvRV (coro_current); |
|
|
1999 | AV *av = newAV (); |
|
|
2000 | |
2222 | |
2001 | av_extend (av, items - 1); |
2223 | av_extend (av, items - 1); |
|
|
2224 | |
2002 | for (i = 0; i < items; ++i) |
2225 | for (i = 0; i < items; ++i) |
2003 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
2226 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
|
|
2227 | } |
|
|
2228 | } |
2004 | |
2229 | |
2005 | hv_store (hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0); |
2230 | static void |
2006 | |
2231 | slf_init_terminate_cancel_common (pTHX_ struct CoroSLF *frame, HV *coro_hv) |
|
|
2232 | { |
2007 | av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */ |
2233 | av_push (av_destroy, (SV *)newRV_inc ((SV *)coro_hv)); /* RVinc for perl */ |
2008 | api_ready (aTHX_ sv_manager); |
2234 | api_ready (aTHX_ sv_manager); |
2009 | |
2235 | |
2010 | frame->prepare = prepare_schedule; |
2236 | frame->prepare = prepare_schedule; |
2011 | frame->check = slf_check_repeat; |
2237 | frame->check = slf_check_repeat; |
2012 | |
2238 | |
2013 | /* as a minor optimisation, we could unwind all stacks here */ |
2239 | /* as a minor optimisation, we could unwind all stacks here */ |
2014 | /* but that puts extra pressure on pp_slf, and is not worth much */ |
2240 | /* but that puts extra pressure on pp_slf, and is not worth much */ |
2015 | /*coro_unwind_stacks (aTHX);*/ |
2241 | /*coro_unwind_stacks (aTHX);*/ |
|
|
2242 | } |
|
|
2243 | |
|
|
2244 | static void |
|
|
2245 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2246 | { |
|
|
2247 | HV *coro_hv = (HV *)SvRV (coro_current); |
|
|
2248 | |
|
|
2249 | coro_set_status (aTHX_ SvSTATE ((SV *)coro_hv), arg, items); |
|
|
2250 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
|
|
2251 | } |
|
|
2252 | |
|
|
2253 | static void |
|
|
2254 | slf_init_cancel (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2255 | { |
|
|
2256 | HV *coro_hv; |
|
|
2257 | struct coro *coro; |
|
|
2258 | |
|
|
2259 | if (items <= 0) |
|
|
2260 | croak ("Coro::cancel called without coro object,"); |
|
|
2261 | |
|
|
2262 | coro = SvSTATE (arg [0]); |
|
|
2263 | coro_hv = coro->hv; |
|
|
2264 | |
|
|
2265 | coro_set_status (aTHX_ coro, arg + 1, items - 1); |
|
|
2266 | |
|
|
2267 | if (ecb_expect_false (coro->flags & CF_NOCANCEL)) |
|
|
2268 | { |
|
|
2269 | /* coro currently busy cancelling something, so just notify it */ |
|
|
2270 | coro->slf_frame.data = (void *)coro; |
|
|
2271 | |
|
|
2272 | frame->prepare = prepare_nop; |
|
|
2273 | frame->check = slf_check_nop; |
|
|
2274 | } |
|
|
2275 | else if (coro_hv == (HV *)SvRV (coro_current)) |
|
|
2276 | { |
|
|
2277 | /* cancelling the current coro is allowed, and equals terminate */ |
|
|
2278 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
|
|
2279 | } |
|
|
2280 | else |
|
|
2281 | { |
|
|
2282 | struct coro *self = SvSTATE_current; |
|
|
2283 | |
|
|
2284 | /* otherwise we cancel directly, purely for speed reasons |
|
|
2285 | * unfortunately, this requires some magic trickery, as |
|
|
2286 | * somebody else could cancel us, so we have to fight the cancellation. |
|
|
2287 | * this is ugly, and hopefully fully worth the extra speed. |
|
|
2288 | * besides, I can't get the slow-but-safe version working... |
|
|
2289 | */ |
|
|
2290 | slf_frame.data = 0; |
|
|
2291 | self->flags |= CF_NOCANCEL; |
|
|
2292 | coro_state_destroy (aTHX_ coro); |
|
|
2293 | self->flags &= ~CF_NOCANCEL; |
|
|
2294 | |
|
|
2295 | if (slf_frame.data) |
|
|
2296 | { |
|
|
2297 | /* while we were busy we have been cancelled, so terminate */ |
|
|
2298 | slf_init_terminate_cancel_common (aTHX_ frame, self->hv); |
|
|
2299 | } |
|
|
2300 | else |
|
|
2301 | { |
|
|
2302 | frame->prepare = prepare_nop; |
|
|
2303 | frame->check = slf_check_nop; |
|
|
2304 | } |
|
|
2305 | } |
|
|
2306 | } |
|
|
2307 | |
|
|
2308 | static int |
|
|
2309 | slf_check_safe_cancel (pTHX_ struct CoroSLF *frame) |
|
|
2310 | { |
|
|
2311 | frame->prepare = 0; |
|
|
2312 | coro_unwind_stacks (aTHX); |
|
|
2313 | |
|
|
2314 | slf_init_terminate_cancel_common (aTHX_ frame, (HV *)SvRV (coro_current)); |
|
|
2315 | |
|
|
2316 | return 1; |
|
|
2317 | } |
|
|
2318 | |
|
|
2319 | static int |
|
|
2320 | safe_cancel (pTHX_ struct coro *coro, SV **arg, int items) |
|
|
2321 | { |
|
|
2322 | if (coro->cctx) |
|
|
2323 | croak ("coro inside C callback, unable to cancel at this time, caught"); |
|
|
2324 | |
|
|
2325 | if (coro->flags & CF_NEW) |
|
|
2326 | { |
|
|
2327 | coro_set_status (aTHX_ coro, arg, items); |
|
|
2328 | coro_state_destroy (aTHX_ coro); |
|
|
2329 | } |
|
|
2330 | else |
|
|
2331 | { |
|
|
2332 | if (!coro->slf_frame.prepare) |
|
|
2333 | croak ("coro outside an SLF function, unable to cancel at this time, caught"); |
|
|
2334 | |
|
|
2335 | slf_destroy (aTHX_ coro); |
|
|
2336 | |
|
|
2337 | coro_set_status (aTHX_ coro, arg, items); |
|
|
2338 | coro->slf_frame.prepare = prepare_nop; |
|
|
2339 | coro->slf_frame.check = slf_check_safe_cancel; |
|
|
2340 | |
|
|
2341 | api_ready (aTHX_ (SV *)coro->hv); |
|
|
2342 | } |
|
|
2343 | |
|
|
2344 | return 1; |
2016 | } |
2345 | } |
2017 | |
2346 | |
2018 | /*****************************************************************************/ |
2347 | /*****************************************************************************/ |
2019 | /* async pool handler */ |
2348 | /* async pool handler */ |
2020 | |
2349 | |
… | |
… | |
2051 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2380 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2052 | { |
2381 | { |
2053 | HV *hv = (HV *)SvRV (coro_current); |
2382 | HV *hv = (HV *)SvRV (coro_current); |
2054 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
2383 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
2055 | |
2384 | |
2056 | if (expect_true (coro->saved_deffh)) |
2385 | if (ecb_expect_true (coro->saved_deffh)) |
2057 | { |
2386 | { |
2058 | /* subsequent iteration */ |
2387 | /* subsequent iteration */ |
2059 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
2388 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
2060 | coro->saved_deffh = 0; |
2389 | coro->saved_deffh = 0; |
2061 | |
2390 | |
2062 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
2391 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
2063 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
2392 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
2064 | { |
2393 | { |
2065 | coro->invoke_cb = SvREFCNT_inc_NN ((SV *)cv_coro_terminate); |
2394 | slf_init_terminate_cancel_common (aTHX_ frame, hv); |
2066 | coro->invoke_av = newAV (); |
2395 | return; |
2067 | |
|
|
2068 | frame->prepare = prepare_nop; |
|
|
2069 | } |
2396 | } |
2070 | else |
2397 | else |
2071 | { |
2398 | { |
2072 | av_clear (GvAV (PL_defgv)); |
2399 | av_clear (GvAV (PL_defgv)); |
2073 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
2400 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
… | |
… | |
2098 | |
2425 | |
2099 | static void |
2426 | static void |
2100 | coro_rouse_callback (pTHX_ CV *cv) |
2427 | coro_rouse_callback (pTHX_ CV *cv) |
2101 | { |
2428 | { |
2102 | dXSARGS; |
2429 | dXSARGS; |
2103 | SV *data = (SV *)GENSUB_ARG; |
2430 | SV *data = (SV *)S_GENSUB_ARG; |
2104 | |
2431 | |
2105 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2432 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2106 | { |
2433 | { |
2107 | /* first call, set args */ |
2434 | /* first call, set args */ |
2108 | SV *coro = SvRV (data); |
2435 | SV *coro = SvRV (data); |
… | |
… | |
2123 | |
2450 | |
2124 | static int |
2451 | static int |
2125 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
2452 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
2126 | { |
2453 | { |
2127 | SV *data = (SV *)frame->data; |
2454 | SV *data = (SV *)frame->data; |
2128 | |
2455 | |
2129 | if (CORO_THROW) |
2456 | if (CORO_THROW) |
2130 | return 0; |
2457 | return 0; |
2131 | |
2458 | |
2132 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2459 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2133 | return 1; |
2460 | return 1; |
… | |
… | |
2169 | cb = sv_2mortal (coro->rouse_cb); |
2496 | cb = sv_2mortal (coro->rouse_cb); |
2170 | coro->rouse_cb = 0; |
2497 | coro->rouse_cb = 0; |
2171 | } |
2498 | } |
2172 | |
2499 | |
2173 | if (!SvROK (cb) |
2500 | if (!SvROK (cb) |
2174 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2501 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2175 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2502 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2176 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2503 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2177 | |
2504 | |
2178 | { |
2505 | { |
2179 | CV *cv = (CV *)SvRV (cb); /* for GENSUB_ARG */ |
2506 | CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ |
2180 | SV *data = (SV *)GENSUB_ARG; |
2507 | SV *data = (SV *)S_GENSUB_ARG; |
2181 | |
2508 | |
2182 | frame->data = (void *)data; |
2509 | frame->data = (void *)data; |
2183 | frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule; |
2510 | frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule; |
2184 | frame->check = slf_check_rouse_wait; |
2511 | frame->check = slf_check_rouse_wait; |
2185 | } |
2512 | } |
… | |
… | |
2189 | coro_new_rouse_cb (pTHX) |
2516 | coro_new_rouse_cb (pTHX) |
2190 | { |
2517 | { |
2191 | HV *hv = (HV *)SvRV (coro_current); |
2518 | HV *hv = (HV *)SvRV (coro_current); |
2192 | struct coro *coro = SvSTATE_hv (hv); |
2519 | struct coro *coro = SvSTATE_hv (hv); |
2193 | SV *data = newRV_inc ((SV *)hv); |
2520 | SV *data = newRV_inc ((SV *)hv); |
2194 | SV *cb = gensub (aTHX_ coro_rouse_callback, (void *)data); |
2521 | SV *cb = s_gensub (aTHX_ coro_rouse_callback, (void *)data); |
2195 | |
2522 | |
2196 | sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0); |
2523 | sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0); |
2197 | SvREFCNT_dec (data); /* magicext increases the refcount */ |
2524 | SvREFCNT_dec (data); /* magicext increases the refcount */ |
2198 | |
2525 | |
2199 | SvREFCNT_dec (coro->rouse_cb); |
2526 | SvREFCNT_dec (coro->rouse_cb); |
… | |
… | |
2296 | static void |
2623 | static void |
2297 | slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2624 | slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2298 | { |
2625 | { |
2299 | frame->prepare = prepare_cede_notself; |
2626 | frame->prepare = prepare_cede_notself; |
2300 | frame->check = slf_check_nop; |
2627 | frame->check = slf_check_nop; |
|
|
2628 | } |
|
|
2629 | |
|
|
2630 | /* "undo"/cancel a running slf call - used when cancelling a coro, mainly */ |
|
|
2631 | static void |
|
|
2632 | slf_destroy (pTHX_ struct coro *coro) |
|
|
2633 | { |
|
|
2634 | /* this callback is reserved for slf functions needing to do cleanup */ |
|
|
2635 | if (coro->slf_frame.destroy && coro->slf_frame.prepare && !PL_dirty) |
|
|
2636 | coro->slf_frame.destroy (aTHX_ &coro->slf_frame); |
|
|
2637 | |
|
|
2638 | /* |
|
|
2639 | * The on_destroy above most likely is from an SLF call. |
|
|
2640 | * Since by definition the SLF call will not finish when we destroy |
|
|
2641 | * the coro, we will have to force-finish it here, otherwise |
|
|
2642 | * cleanup functions cannot call SLF functions. |
|
|
2643 | */ |
|
|
2644 | coro->slf_frame.prepare = 0; |
2301 | } |
2645 | } |
2302 | |
2646 | |
2303 | /* |
2647 | /* |
2304 | * these not obviously related functions are all rolled into one |
2648 | * these not obviously related functions are all rolled into one |
2305 | * function to increase chances that they all will call transfer with the same |
2649 | * function to increase chances that they all will call transfer with the same |
… | |
… | |
2312 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
2656 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
2313 | |
2657 | |
2314 | /* set up the slf frame, unless it has already been set-up */ |
2658 | /* set up the slf frame, unless it has already been set-up */ |
2315 | /* the latter happens when a new coro has been started */ |
2659 | /* the latter happens when a new coro has been started */ |
2316 | /* or when a new cctx was attached to an existing coroutine */ |
2660 | /* or when a new cctx was attached to an existing coroutine */ |
2317 | if (expect_true (!slf_frame.prepare)) |
2661 | if (ecb_expect_true (!slf_frame.prepare)) |
2318 | { |
2662 | { |
2319 | /* first iteration */ |
2663 | /* first iteration */ |
2320 | dSP; |
2664 | dSP; |
2321 | SV **arg = PL_stack_base + TOPMARK + 1; |
2665 | SV **arg = PL_stack_base + TOPMARK + 1; |
2322 | int items = SP - arg; /* args without function object */ |
2666 | int items = SP - arg; /* args without function object */ |
… | |
… | |
2363 | while (slf_frame.check (aTHX_ &slf_frame)); |
2707 | while (slf_frame.check (aTHX_ &slf_frame)); |
2364 | |
2708 | |
2365 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
2709 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
2366 | |
2710 | |
2367 | /* exception handling */ |
2711 | /* exception handling */ |
2368 | if (expect_false (CORO_THROW)) |
2712 | if (ecb_expect_false (CORO_THROW)) |
2369 | { |
2713 | { |
2370 | SV *exception = sv_2mortal (CORO_THROW); |
2714 | SV *exception = sv_2mortal (CORO_THROW); |
2371 | |
2715 | |
2372 | CORO_THROW = 0; |
2716 | CORO_THROW = 0; |
2373 | sv_setsv (ERRSV, exception); |
2717 | sv_setsv (ERRSV, exception); |
2374 | croak (0); |
2718 | croak (0); |
2375 | } |
2719 | } |
2376 | |
2720 | |
2377 | /* return value handling - mostly like entersub */ |
2721 | /* return value handling - mostly like entersub */ |
2378 | /* make sure we put something on the stack in scalar context */ |
2722 | /* make sure we put something on the stack in scalar context */ |
2379 | if (GIMME_V == G_SCALAR) |
2723 | if (GIMME_V == G_SCALAR |
|
|
2724 | && ecb_expect_false (PL_stack_sp != PL_stack_base + checkmark + 1)) |
2380 | { |
2725 | { |
2381 | dSP; |
2726 | dSP; |
2382 | SV **bot = PL_stack_base + checkmark; |
2727 | SV **bot = PL_stack_base + checkmark; |
2383 | |
2728 | |
2384 | if (sp == bot) /* too few, push undef */ |
2729 | if (sp == bot) /* too few, push undef */ |
2385 | bot [1] = &PL_sv_undef; |
2730 | bot [1] = &PL_sv_undef; |
2386 | else if (sp != bot + 1) /* too many, take last one */ |
2731 | else /* too many, take last one */ |
2387 | bot [1] = *sp; |
2732 | bot [1] = *sp; |
2388 | |
2733 | |
2389 | SP = bot + 1; |
2734 | SP = bot + 1; |
2390 | |
2735 | |
2391 | PUTBACK; |
2736 | PUTBACK; |
… | |
… | |
2424 | if (PL_op->op_flags & OPf_STACKED) |
2769 | if (PL_op->op_flags & OPf_STACKED) |
2425 | { |
2770 | { |
2426 | if (items > slf_arga) |
2771 | if (items > slf_arga) |
2427 | { |
2772 | { |
2428 | slf_arga = items; |
2773 | slf_arga = items; |
2429 | free (slf_argv); |
2774 | Safefree (slf_argv); |
2430 | slf_argv = malloc (slf_arga * sizeof (SV *)); |
2775 | New (0, slf_argv, slf_arga, SV *); |
2431 | } |
2776 | } |
2432 | |
2777 | |
2433 | slf_argc = items; |
2778 | slf_argc = items; |
2434 | |
2779 | |
2435 | for (i = 0; i < items; ++i) |
2780 | for (i = 0; i < items; ++i) |
… | |
… | |
2498 | { |
2843 | { |
2499 | PerlIOBuf base; |
2844 | PerlIOBuf base; |
2500 | NV next, every; |
2845 | NV next, every; |
2501 | } PerlIOCede; |
2846 | } PerlIOCede; |
2502 | |
2847 | |
2503 | static IV |
2848 | static IV ecb_cold |
2504 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
2849 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
2505 | { |
2850 | { |
2506 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2851 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2507 | |
2852 | |
2508 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
2853 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
2509 | self->next = nvtime () + self->every; |
2854 | self->next = nvtime () + self->every; |
2510 | |
2855 | |
2511 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
2856 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
2512 | } |
2857 | } |
2513 | |
2858 | |
2514 | static SV * |
2859 | static SV * ecb_cold |
2515 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
2860 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
2516 | { |
2861 | { |
2517 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2862 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2518 | |
2863 | |
2519 | return newSVnv (self->every); |
2864 | return newSVnv (self->every); |
… | |
… | |
2631 | SvREFCNT_dec (cb); |
2976 | SvREFCNT_dec (cb); |
2632 | } |
2977 | } |
2633 | } |
2978 | } |
2634 | |
2979 | |
2635 | static void |
2980 | static void |
2636 | coro_semaphore_on_destroy (pTHX_ struct coro *coro) |
2981 | coro_semaphore_destroy (pTHX_ struct CoroSLF *frame) |
2637 | { |
2982 | { |
2638 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
2983 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
2639 | coro_semaphore_adjust (aTHX_ (AV *)coro->slf_frame.data, 0); |
2984 | coro_semaphore_adjust (aTHX_ (AV *)frame->data, 0); |
2640 | } |
2985 | } |
2641 | |
2986 | |
2642 | static int |
2987 | static int |
2643 | slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire) |
2988 | slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire) |
2644 | { |
2989 | { |
2645 | AV *av = (AV *)frame->data; |
2990 | AV *av = (AV *)frame->data; |
2646 | SV *count_sv = AvARRAY (av)[0]; |
2991 | SV *count_sv = AvARRAY (av)[0]; |
|
|
2992 | SV *coro_hv = SvRV (coro_current); |
2647 | |
2993 | |
2648 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2994 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2649 | if (CORO_THROW) |
2995 | if (CORO_THROW) |
2650 | return 0; |
2996 | return 0; |
2651 | else if (SvIVX (count_sv) > 0) |
2997 | else if (SvIVX (count_sv) > 0) |
2652 | { |
2998 | { |
2653 | SvSTATE_current->on_destroy = 0; |
2999 | frame->destroy = 0; |
2654 | |
3000 | |
2655 | if (acquire) |
3001 | if (acquire) |
2656 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
3002 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2657 | else |
3003 | else |
2658 | coro_semaphore_adjust (aTHX_ av, 0); |
3004 | coro_semaphore_adjust (aTHX_ av, 0); |
… | |
… | |
2663 | { |
3009 | { |
2664 | int i; |
3010 | int i; |
2665 | /* if we were woken up but can't down, we look through the whole */ |
3011 | /* if we were woken up but can't down, we look through the whole */ |
2666 | /* waiters list and only add us if we aren't in there already */ |
3012 | /* waiters list and only add us if we aren't in there already */ |
2667 | /* this avoids some degenerate memory usage cases */ |
3013 | /* this avoids some degenerate memory usage cases */ |
2668 | |
3014 | for (i = AvFILLp (av); i > 0; --i) /* i > 0 is not an off-by-one bug */ |
2669 | for (i = 1; i <= AvFILLp (av); ++i) |
|
|
2670 | if (AvARRAY (av)[i] == SvRV (coro_current)) |
3015 | if (AvARRAY (av)[i] == coro_hv) |
2671 | return 1; |
3016 | return 1; |
2672 | |
3017 | |
2673 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
3018 | av_push (av, SvREFCNT_inc (coro_hv)); |
2674 | return 1; |
3019 | return 1; |
2675 | } |
3020 | } |
2676 | } |
3021 | } |
2677 | |
3022 | |
2678 | static int |
3023 | static int |
… | |
… | |
2701 | { |
3046 | { |
2702 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
3047 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2703 | |
3048 | |
2704 | frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); |
3049 | frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); |
2705 | frame->prepare = prepare_schedule; |
3050 | frame->prepare = prepare_schedule; |
2706 | |
|
|
2707 | /* to avoid race conditions when a woken-up coro gets terminated */ |
3051 | /* to avoid race conditions when a woken-up coro gets terminated */ |
2708 | /* we arrange for a temporary on_destroy that calls adjust (0) */ |
3052 | /* we arrange for a temporary on_destroy that calls adjust (0) */ |
2709 | SvSTATE_current->on_destroy = coro_semaphore_on_destroy; |
3053 | frame->destroy = coro_semaphore_destroy; |
2710 | } |
3054 | } |
2711 | } |
3055 | } |
2712 | |
3056 | |
2713 | static void |
3057 | static void |
2714 | slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
3058 | slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
… | |
… | |
2722 | { |
3066 | { |
2723 | if (items >= 2) |
3067 | if (items >= 2) |
2724 | { |
3068 | { |
2725 | /* callback form */ |
3069 | /* callback form */ |
2726 | AV *av = (AV *)SvRV (arg [0]); |
3070 | AV *av = (AV *)SvRV (arg [0]); |
2727 | CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]); |
3071 | SV *cb_cv = s_get_cv_croak (arg [1]); |
2728 | |
3072 | |
2729 | av_push (av, SvREFCNT_inc_NN (cb_cv)); |
3073 | av_push (av, SvREFCNT_inc_NN (cb_cv)); |
2730 | |
3074 | |
2731 | if (SvIVX (AvARRAY (av)[0]) > 0) |
3075 | if (SvIVX (AvARRAY (av)[0]) > 0) |
2732 | coro_semaphore_adjust (aTHX_ av, 0); |
3076 | coro_semaphore_adjust (aTHX_ av, 0); |
… | |
… | |
2792 | { |
3136 | { |
2793 | AV *av = (AV *)SvRV (arg [0]); |
3137 | AV *av = (AV *)SvRV (arg [0]); |
2794 | |
3138 | |
2795 | if (items >= 2) |
3139 | if (items >= 2) |
2796 | { |
3140 | { |
2797 | CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]); |
3141 | SV *cb_cv = s_get_cv_croak (arg [1]); |
2798 | av_push (av, SvREFCNT_inc_NN (cb_cv)); |
3142 | av_push (av, SvREFCNT_inc_NN (cb_cv)); |
2799 | |
3143 | |
2800 | if (SvIVX (AvARRAY (av)[0])) |
3144 | if (SvIVX (AvARRAY (av)[0])) |
2801 | coro_signal_wake (aTHX_ av, 1); /* ust be the only waiter */ |
3145 | coro_signal_wake (aTHX_ av, 1); /* must be the only waiter */ |
2802 | |
3146 | |
2803 | frame->prepare = prepare_nop; |
3147 | frame->prepare = prepare_nop; |
2804 | frame->check = slf_check_nop; |
3148 | frame->check = slf_check_nop; |
2805 | } |
3149 | } |
2806 | else if (SvIVX (AvARRAY (av)[0])) |
3150 | else if (SvIVX (AvARRAY (av)[0])) |
… | |
… | |
2837 | |
3181 | |
2838 | static void |
3182 | static void |
2839 | coro_aio_callback (pTHX_ CV *cv) |
3183 | coro_aio_callback (pTHX_ CV *cv) |
2840 | { |
3184 | { |
2841 | dXSARGS; |
3185 | dXSARGS; |
2842 | AV *state = (AV *)GENSUB_ARG; |
3186 | AV *state = (AV *)S_GENSUB_ARG; |
2843 | SV *coro = av_pop (state); |
3187 | SV *coro = av_pop (state); |
2844 | SV *data_sv = newSV (sizeof (struct io_state)); |
3188 | SV *data_sv = newSV (sizeof (struct io_state)); |
2845 | |
3189 | |
2846 | av_extend (state, items - 1); |
3190 | av_extend (state, items - 1); |
2847 | |
3191 | |
… | |
… | |
2932 | dSP; |
3276 | dSP; |
2933 | |
3277 | |
2934 | static SV *prio_cv; |
3278 | static SV *prio_cv; |
2935 | static SV *prio_sv; |
3279 | static SV *prio_sv; |
2936 | |
3280 | |
2937 | if (expect_false (!prio_cv)) |
3281 | if (ecb_expect_false (!prio_cv)) |
2938 | { |
3282 | { |
2939 | prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0); |
3283 | prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0); |
2940 | prio_sv = newSViv (0); |
3284 | prio_sv = newSViv (0); |
2941 | } |
3285 | } |
2942 | |
3286 | |
… | |
… | |
2961 | |
3305 | |
2962 | for (i = 0; i < items; ++i) |
3306 | for (i = 0; i < items; ++i) |
2963 | PUSHs (arg [i]); |
3307 | PUSHs (arg [i]); |
2964 | |
3308 | |
2965 | /* now push the callback closure */ |
3309 | /* now push the callback closure */ |
2966 | PUSHs (sv_2mortal (gensub (aTHX_ coro_aio_callback, (void *)SvREFCNT_inc_NN ((SV *)state)))); |
3310 | PUSHs (sv_2mortal (s_gensub (aTHX_ coro_aio_callback, (void *)SvREFCNT_inc_NN ((SV *)state)))); |
2967 | |
3311 | |
2968 | /* now call the AIO function - we assume our request is uncancelable */ |
3312 | /* now call the AIO function - we assume our request is uncancelable */ |
2969 | PUTBACK; |
3313 | PUTBACK; |
2970 | call_sv ((SV *)req, G_VOID | G_DISCARD); |
3314 | call_sv ((SV *)req, G_VOID | G_DISCARD); |
2971 | } |
3315 | } |
2972 | |
3316 | |
2973 | /* now that the requets is going, we loop toll we have a result */ |
3317 | /* now that the request is going, we loop till we have a result */ |
2974 | frame->data = (void *)state; |
3318 | frame->data = (void *)state; |
2975 | frame->prepare = prepare_schedule; |
3319 | frame->prepare = prepare_schedule; |
2976 | frame->check = slf_check_aio_req; |
3320 | frame->check = slf_check_aio_req; |
2977 | } |
3321 | } |
2978 | |
3322 | |
… | |
… | |
2988 | |
3332 | |
2989 | /*****************************************************************************/ |
3333 | /*****************************************************************************/ |
2990 | |
3334 | |
2991 | #if CORO_CLONE |
3335 | #if CORO_CLONE |
2992 | # include "clone.c" |
3336 | # include "clone.c" |
|
|
3337 | #endif |
|
|
3338 | |
|
|
3339 | /*****************************************************************************/ |
|
|
3340 | |
|
|
3341 | static SV * |
|
|
3342 | coro_new (pTHX_ HV *stash, SV **argv, int argc, int is_coro) |
|
|
3343 | { |
|
|
3344 | SV *coro_sv; |
|
|
3345 | struct coro *coro; |
|
|
3346 | MAGIC *mg; |
|
|
3347 | HV *hv; |
|
|
3348 | SV *cb; |
|
|
3349 | int i; |
|
|
3350 | |
|
|
3351 | if (argc > 0) |
|
|
3352 | { |
|
|
3353 | cb = s_get_cv_croak (argv [0]); |
|
|
3354 | |
|
|
3355 | if (!is_coro) |
|
|
3356 | { |
|
|
3357 | if (CvISXSUB (cb)) |
|
|
3358 | croak ("Coro::State doesn't support XS functions as coroutine start, caught"); |
|
|
3359 | |
|
|
3360 | if (!CvROOT (cb)) |
|
|
3361 | croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught"); |
|
|
3362 | } |
|
|
3363 | } |
|
|
3364 | |
|
|
3365 | Newz (0, coro, 1, struct coro); |
|
|
3366 | coro->args = newAV (); |
|
|
3367 | coro->flags = CF_NEW; |
|
|
3368 | |
|
|
3369 | if (coro_first) coro_first->prev = coro; |
|
|
3370 | coro->next = coro_first; |
|
|
3371 | coro_first = coro; |
|
|
3372 | |
|
|
3373 | coro->hv = hv = newHV (); |
|
|
3374 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
|
|
3375 | mg->mg_flags |= MGf_DUP; |
|
|
3376 | coro_sv = sv_bless (newRV_noinc ((SV *)hv), stash); |
|
|
3377 | |
|
|
3378 | if (argc > 0) |
|
|
3379 | { |
|
|
3380 | av_extend (coro->args, argc + is_coro - 1); |
|
|
3381 | |
|
|
3382 | if (is_coro) |
|
|
3383 | { |
|
|
3384 | av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb)); |
|
|
3385 | cb = (SV *)cv_coro_run; |
|
|
3386 | } |
|
|
3387 | |
|
|
3388 | coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb); |
|
|
3389 | |
|
|
3390 | for (i = 1; i < argc; i++) |
|
|
3391 | av_push (coro->args, newSVsv (argv [i])); |
|
|
3392 | } |
|
|
3393 | |
|
|
3394 | return coro_sv; |
|
|
3395 | } |
|
|
3396 | |
|
|
3397 | #ifndef __cplusplus |
|
|
3398 | ecb_cold XS(boot_Coro__State); |
|
|
3399 | #endif |
|
|
3400 | |
|
|
3401 | #if CORO_JIT |
|
|
3402 | |
|
|
3403 | static void ecb_noinline ecb_cold |
|
|
3404 | pushav_4uv (pTHX_ UV a, UV b, UV c, UV d) |
|
|
3405 | { |
|
|
3406 | dSP; |
|
|
3407 | AV *av = newAV (); |
|
|
3408 | |
|
|
3409 | av_store (av, 3, newSVuv (d)); |
|
|
3410 | av_store (av, 2, newSVuv (c)); |
|
|
3411 | av_store (av, 1, newSVuv (b)); |
|
|
3412 | av_store (av, 0, newSVuv (a)); |
|
|
3413 | |
|
|
3414 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
3415 | |
|
|
3416 | PUTBACK; |
|
|
3417 | } |
|
|
3418 | |
|
|
3419 | static void ecb_noinline ecb_cold |
|
|
3420 | jit_init (pTHX) |
|
|
3421 | { |
|
|
3422 | dSP; |
|
|
3423 | SV *load, *save; |
|
|
3424 | char *map_base; |
|
|
3425 | char *load_ptr, *save_ptr; |
|
|
3426 | STRLEN load_len, save_len, map_len; |
|
|
3427 | int count; |
|
|
3428 | |
|
|
3429 | eval_pv ("require 'Coro/jit-" CORO_JIT_TYPE ".pl'", 1); |
|
|
3430 | |
|
|
3431 | PUSHMARK (SP); |
|
|
3432 | #define VARx(name,expr,type) pushav_4uv (aTHX_ (UV)&(expr), sizeof (expr), offsetof (perl_slots, name), sizeof (type)); |
|
|
3433 | #include "state.h" |
|
|
3434 | count = call_pv ("Coro::State::_jit", G_ARRAY); |
|
|
3435 | SPAGAIN; |
|
|
3436 | |
|
|
3437 | save = POPs; save_ptr = SvPVbyte (save, save_len); |
|
|
3438 | load = POPs; load_ptr = SvPVbyte (load, load_len); |
|
|
3439 | |
|
|
3440 | map_len = load_len + save_len + 16; |
|
|
3441 | |
|
|
3442 | map_base = mmap (0, map_len, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); |
|
|
3443 | |
|
|
3444 | assert (("Coro: unable to mmap jit code page, cannot continue.", map_base != (char *)MAP_FAILED)); |
|
|
3445 | |
|
|
3446 | load_perl_slots = (load_save_perl_slots_type)map_base; |
|
|
3447 | memcpy (map_base, load_ptr, load_len); |
|
|
3448 | |
|
|
3449 | map_base += (load_len + 15) & ~15; |
|
|
3450 | |
|
|
3451 | save_perl_slots = (load_save_perl_slots_type)map_base; |
|
|
3452 | memcpy (map_base, save_ptr, save_len); |
|
|
3453 | |
|
|
3454 | /* we are good citizens and try to make the page read-only, so the evil evil */ |
|
|
3455 | /* hackers might have it a bit more difficult */ |
|
|
3456 | mprotect (map_base, map_len, PROT_READ | PROT_EXEC); |
|
|
3457 | |
|
|
3458 | PUTBACK; |
|
|
3459 | eval_pv ("undef &Coro::State::_jit", 1); |
|
|
3460 | } |
|
|
3461 | |
2993 | #endif |
3462 | #endif |
2994 | |
3463 | |
2995 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
3464 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
2996 | |
3465 | |
2997 | PROTOTYPES: DISABLE |
3466 | PROTOTYPES: DISABLE |
… | |
… | |
3002 | # if CORO_PTHREAD |
3471 | # if CORO_PTHREAD |
3003 | coro_thx = PERL_GET_CONTEXT; |
3472 | coro_thx = PERL_GET_CONTEXT; |
3004 | # endif |
3473 | # endif |
3005 | #endif |
3474 | #endif |
3006 | BOOT_PAGESIZE; |
3475 | BOOT_PAGESIZE; |
|
|
3476 | |
|
|
3477 | /* perl defines these to check for existance first, but why it doesn't */ |
|
|
3478 | /* just create them one at init time is not clear to me, except for */ |
|
|
3479 | /* programs trying to delete them, but... */ |
|
|
3480 | /* anyway, we declare this as invalid and make sure they are initialised here */ |
|
|
3481 | DEFSV; |
|
|
3482 | ERRSV; |
3007 | |
3483 | |
3008 | cctx_current = cctx_new_empty (); |
3484 | cctx_current = cctx_new_empty (); |
3009 | |
3485 | |
3010 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3486 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3011 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3487 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
… | |
… | |
3051 | coroapi.prepare_nop = prepare_nop; |
3527 | coroapi.prepare_nop = prepare_nop; |
3052 | coroapi.prepare_schedule = prepare_schedule; |
3528 | coroapi.prepare_schedule = prepare_schedule; |
3053 | coroapi.prepare_cede = prepare_cede; |
3529 | coroapi.prepare_cede = prepare_cede; |
3054 | coroapi.prepare_cede_notself = prepare_cede_notself; |
3530 | coroapi.prepare_cede_notself = prepare_cede_notself; |
3055 | |
3531 | |
3056 | { |
3532 | time_init (aTHX); |
3057 | SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
|
|
3058 | |
|
|
3059 | if (!svp) croak ("Time::HiRes is required"); |
|
|
3060 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer"); |
|
|
3061 | |
|
|
3062 | nvtime = INT2PTR (double (*)(), SvIV (*svp)); |
|
|
3063 | |
|
|
3064 | svp = hv_fetch (PL_modglobal, "Time::U2time", 12, 0); |
|
|
3065 | u2time = INT2PTR (double (*)(), SvIV (*svp)); |
|
|
3066 | } |
|
|
3067 | |
3533 | |
3068 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
3534 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
|
|
3535 | #if CORO_JIT |
|
|
3536 | PUTBACK; |
|
|
3537 | jit_init (aTHX); |
|
|
3538 | SPAGAIN; |
|
|
3539 | #endif |
3069 | } |
3540 | } |
3070 | |
3541 | |
3071 | SV * |
3542 | SV * |
3072 | new (char *klass, ...) |
3543 | new (SV *klass, ...) |
3073 | ALIAS: |
3544 | ALIAS: |
3074 | Coro::new = 1 |
3545 | Coro::new = 1 |
3075 | CODE: |
3546 | CODE: |
3076 | { |
3547 | RETVAL = coro_new (aTHX_ ix ? coro_stash : coro_state_stash, &ST (1), items - 1, ix); |
3077 | struct coro *coro; |
3548 | OUTPUT: |
3078 | MAGIC *mg; |
|
|
3079 | HV *hv; |
|
|
3080 | CV *cb; |
|
|
3081 | int i; |
|
|
3082 | |
|
|
3083 | if (items > 1) |
|
|
3084 | { |
|
|
3085 | cb = coro_sv_2cv (aTHX_ ST (1)); |
|
|
3086 | |
|
|
3087 | if (!ix) |
|
|
3088 | { |
|
|
3089 | if (CvISXSUB (cb)) |
|
|
3090 | croak ("Coro::State doesn't support XS functions as coroutine start, caught"); |
|
|
3091 | |
|
|
3092 | if (!CvROOT (cb)) |
|
|
3093 | croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught"); |
|
|
3094 | } |
|
|
3095 | } |
|
|
3096 | |
|
|
3097 | Newz (0, coro, 1, struct coro); |
|
|
3098 | coro->args = newAV (); |
|
|
3099 | coro->flags = CF_NEW; |
|
|
3100 | |
|
|
3101 | if (coro_first) coro_first->prev = coro; |
|
|
3102 | coro->next = coro_first; |
|
|
3103 | coro_first = coro; |
|
|
3104 | |
|
|
3105 | coro->hv = hv = newHV (); |
|
|
3106 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
|
|
3107 | mg->mg_flags |= MGf_DUP; |
|
|
3108 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
|
|
3109 | |
|
|
3110 | if (items > 1) |
|
|
3111 | { |
|
|
3112 | av_extend (coro->args, items - 1 + ix - 1); |
|
|
3113 | |
|
|
3114 | if (ix) |
|
|
3115 | { |
|
|
3116 | av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb)); |
|
|
3117 | cb = cv_coro_run; |
|
|
3118 | } |
|
|
3119 | |
|
|
3120 | coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb); |
|
|
3121 | |
|
|
3122 | for (i = 2; i < items; i++) |
|
|
3123 | av_push (coro->args, newSVsv (ST (i))); |
|
|
3124 | } |
|
|
3125 | } |
|
|
3126 | OUTPUT: |
|
|
3127 | RETVAL |
3549 | RETVAL |
3128 | |
3550 | |
3129 | void |
3551 | void |
3130 | transfer (...) |
3552 | transfer (...) |
3131 | PROTOTYPE: $$ |
3553 | PROTOTYPE: $$ |
3132 | CODE: |
3554 | CODE: |
3133 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3555 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3134 | |
|
|
3135 | bool |
|
|
3136 | _destroy (SV *coro_sv) |
|
|
3137 | CODE: |
|
|
3138 | RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv)); |
|
|
3139 | OUTPUT: |
|
|
3140 | RETVAL |
|
|
3141 | |
3556 | |
3142 | void |
3557 | void |
3143 | _exit (int code) |
3558 | _exit (int code) |
3144 | PROTOTYPE: $ |
3559 | PROTOTYPE: $ |
3145 | CODE: |
3560 | CODE: |
… | |
… | |
3221 | CODE: |
3636 | CODE: |
3222 | { |
3637 | { |
3223 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
3638 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
3224 | { |
3639 | { |
3225 | struct coro *current = SvSTATE_current; |
3640 | struct coro *current = SvSTATE_current; |
|
|
3641 | struct CoroSLF slf_save; |
3226 | |
3642 | |
3227 | if (current != coro) |
3643 | if (current != coro) |
3228 | { |
3644 | { |
3229 | PUTBACK; |
3645 | PUTBACK; |
3230 | save_perl (aTHX_ current); |
3646 | save_perl (aTHX_ current); |
3231 | load_perl (aTHX_ coro); |
3647 | load_perl (aTHX_ coro); |
|
|
3648 | /* the coro is most likely in an active SLF call. |
|
|
3649 | * while not strictly required (the code we execute is |
|
|
3650 | * not allowed to call any SLF functions), it's cleaner |
|
|
3651 | * to reinitialise the slf_frame and restore it later. |
|
|
3652 | * This might one day allow us to actually do SLF calls |
|
|
3653 | * from code executed here. |
|
|
3654 | */ |
|
|
3655 | slf_save = slf_frame; |
|
|
3656 | slf_frame.prepare = 0; |
3232 | SPAGAIN; |
3657 | SPAGAIN; |
3233 | } |
3658 | } |
3234 | |
3659 | |
3235 | PUSHSTACK; |
3660 | PUSHSTACK; |
3236 | |
3661 | |
… | |
… | |
3246 | SPAGAIN; |
3671 | SPAGAIN; |
3247 | |
3672 | |
3248 | if (current != coro) |
3673 | if (current != coro) |
3249 | { |
3674 | { |
3250 | PUTBACK; |
3675 | PUTBACK; |
|
|
3676 | slf_frame = slf_save; |
3251 | save_perl (aTHX_ coro); |
3677 | save_perl (aTHX_ coro); |
3252 | load_perl (aTHX_ current); |
3678 | load_perl (aTHX_ current); |
3253 | SPAGAIN; |
3679 | SPAGAIN; |
3254 | } |
3680 | } |
3255 | } |
3681 | } |
… | |
… | |
3260 | PROTOTYPE: $ |
3686 | PROTOTYPE: $ |
3261 | ALIAS: |
3687 | ALIAS: |
3262 | is_ready = CF_READY |
3688 | is_ready = CF_READY |
3263 | is_running = CF_RUNNING |
3689 | is_running = CF_RUNNING |
3264 | is_new = CF_NEW |
3690 | is_new = CF_NEW |
3265 | is_destroyed = CF_DESTROYED |
3691 | is_destroyed = CF_ZOMBIE |
|
|
3692 | is_zombie = CF_ZOMBIE |
3266 | is_suspended = CF_SUSPENDED |
3693 | is_suspended = CF_SUSPENDED |
3267 | CODE: |
3694 | CODE: |
3268 | RETVAL = boolSV (coro->flags & ix); |
3695 | RETVAL = boolSV (coro->flags & ix); |
3269 | OUTPUT: |
3696 | OUTPUT: |
3270 | RETVAL |
3697 | RETVAL |
3271 | |
3698 | |
3272 | void |
3699 | void |
3273 | throw (Coro::State self, SV *throw = &PL_sv_undef) |
3700 | throw (SV *self, SV *exception = &PL_sv_undef) |
3274 | PROTOTYPE: $;$ |
3701 | PROTOTYPE: $;$ |
3275 | CODE: |
3702 | CODE: |
3276 | { |
3703 | { |
|
|
3704 | struct coro *coro = SvSTATE (self); |
3277 | struct coro *current = SvSTATE_current; |
3705 | struct coro *current = SvSTATE_current; |
3278 | SV **throwp = self == current ? &CORO_THROW : &self->except; |
3706 | SV **exceptionp = coro == current ? &CORO_THROW : &coro->except; |
3279 | SvREFCNT_dec (*throwp); |
3707 | SvREFCNT_dec (*exceptionp); |
3280 | SvGETMAGIC (throw); |
3708 | SvGETMAGIC (exception); |
3281 | *throwp = SvOK (throw) ? newSVsv (throw) : 0; |
3709 | *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; |
|
|
3710 | |
|
|
3711 | api_ready (aTHX_ self); |
3282 | } |
3712 | } |
3283 | |
3713 | |
3284 | void |
3714 | void |
3285 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3715 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3286 | PROTOTYPE: $;$ |
3716 | PROTOTYPE: $;$ |
… | |
… | |
3341 | |
3771 | |
3342 | void |
3772 | void |
3343 | cancel (Coro::State self) |
3773 | cancel (Coro::State self) |
3344 | CODE: |
3774 | CODE: |
3345 | coro_state_destroy (aTHX_ self); |
3775 | coro_state_destroy (aTHX_ self); |
3346 | coro_call_on_destroy (aTHX_ self); /* actually only for Coro objects */ |
|
|
3347 | |
|
|
3348 | |
3776 | |
3349 | SV * |
3777 | SV * |
3350 | enable_times (int enabled = enable_times) |
3778 | enable_times (int enabled = enable_times) |
3351 | CODE: |
3779 | CODE: |
3352 | { |
3780 | { |
… | |
… | |
3367 | times (Coro::State self) |
3795 | times (Coro::State self) |
3368 | PPCODE: |
3796 | PPCODE: |
3369 | { |
3797 | { |
3370 | struct coro *current = SvSTATE (coro_current); |
3798 | struct coro *current = SvSTATE (coro_current); |
3371 | |
3799 | |
3372 | if (expect_false (current == self)) |
3800 | if (ecb_expect_false (current == self)) |
3373 | { |
3801 | { |
3374 | coro_times_update (); |
3802 | coro_times_update (); |
3375 | coro_times_add (SvSTATE (coro_current)); |
3803 | coro_times_add (SvSTATE (coro_current)); |
3376 | } |
3804 | } |
3377 | |
3805 | |
3378 | EXTEND (SP, 2); |
3806 | EXTEND (SP, 2); |
3379 | PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9))); |
3807 | PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9))); |
3380 | PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9))); |
3808 | PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9))); |
3381 | |
3809 | |
3382 | if (expect_false (current == self)) |
3810 | if (ecb_expect_false (current == self)) |
3383 | coro_times_sub (SvSTATE (coro_current)); |
3811 | coro_times_sub (SvSTATE (coro_current)); |
3384 | } |
3812 | } |
|
|
3813 | |
|
|
3814 | void |
|
|
3815 | swap_sv (Coro::State coro, SV *sv, SV *swapsv) |
|
|
3816 | CODE: |
|
|
3817 | { |
|
|
3818 | struct coro *current = SvSTATE_current; |
|
|
3819 | |
|
|
3820 | if (current == coro) |
|
|
3821 | SWAP_SVS (current); |
|
|
3822 | |
|
|
3823 | if (!coro->swap_sv) |
|
|
3824 | coro->swap_sv = newAV (); |
|
|
3825 | |
|
|
3826 | av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (sv ))); |
|
|
3827 | av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (swapsv))); |
|
|
3828 | |
|
|
3829 | if (current == coro) |
|
|
3830 | SWAP_SVS (current); |
|
|
3831 | } |
|
|
3832 | |
3385 | |
3833 | |
3386 | MODULE = Coro::State PACKAGE = Coro |
3834 | MODULE = Coro::State PACKAGE = Coro |
3387 | |
3835 | |
3388 | BOOT: |
3836 | BOOT: |
3389 | { |
3837 | { |
3390 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3838 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3391 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3839 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3392 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
3840 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
3393 | cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD); |
|
|
3394 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
3841 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
3395 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
3842 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
3396 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
3843 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
3397 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
3844 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
3398 | sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); |
3845 | sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); |
3399 | |
3846 | |
3400 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3847 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3401 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
3848 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
3402 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
3849 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
3403 | cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new); |
3850 | CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */ |
3404 | |
3851 | |
3405 | coro_stash = gv_stashpv ("Coro", TRUE); |
3852 | coro_stash = gv_stashpv ("Coro", TRUE); |
3406 | |
3853 | |
3407 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
3854 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
3408 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
3855 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
… | |
… | |
3427 | sv_setiv (sv, (IV)&coroapi); |
3874 | sv_setiv (sv, (IV)&coroapi); |
3428 | SvREADONLY_on (sv); |
3875 | SvREADONLY_on (sv); |
3429 | } |
3876 | } |
3430 | } |
3877 | } |
3431 | |
3878 | |
|
|
3879 | SV * |
|
|
3880 | async (...) |
|
|
3881 | PROTOTYPE: &@ |
|
|
3882 | CODE: |
|
|
3883 | RETVAL = coro_new (aTHX_ coro_stash, &ST (0), items, 1); |
|
|
3884 | api_ready (aTHX_ RETVAL); |
|
|
3885 | OUTPUT: |
|
|
3886 | RETVAL |
|
|
3887 | |
|
|
3888 | void |
|
|
3889 | _destroy (Coro::State coro) |
|
|
3890 | CODE: |
|
|
3891 | /* used by the manager thread */ |
|
|
3892 | coro_state_destroy (aTHX_ coro); |
|
|
3893 | |
|
|
3894 | void |
|
|
3895 | on_destroy (Coro::State coro, SV *cb) |
|
|
3896 | CODE: |
|
|
3897 | coro_push_on_destroy (aTHX_ coro, newSVsv (cb)); |
|
|
3898 | |
|
|
3899 | void |
|
|
3900 | join (...) |
|
|
3901 | CODE: |
|
|
3902 | CORO_EXECUTE_SLF_XS (slf_init_join); |
|
|
3903 | |
3432 | void |
3904 | void |
3433 | terminate (...) |
3905 | terminate (...) |
3434 | CODE: |
3906 | CODE: |
3435 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
3907 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
|
|
3908 | |
|
|
3909 | void |
|
|
3910 | cancel (...) |
|
|
3911 | CODE: |
|
|
3912 | CORO_EXECUTE_SLF_XS (slf_init_cancel); |
|
|
3913 | |
|
|
3914 | int |
|
|
3915 | safe_cancel (Coro::State self, ...) |
|
|
3916 | C_ARGS: aTHX_ self, &ST (1), items - 1 |
3436 | |
3917 | |
3437 | void |
3918 | void |
3438 | schedule (...) |
3919 | schedule (...) |
3439 | CODE: |
3920 | CODE: |
3440 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
3921 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
… | |
… | |
3470 | _set_readyhook (SV *hook) |
3951 | _set_readyhook (SV *hook) |
3471 | PROTOTYPE: $ |
3952 | PROTOTYPE: $ |
3472 | CODE: |
3953 | CODE: |
3473 | SvREFCNT_dec (coro_readyhook); |
3954 | SvREFCNT_dec (coro_readyhook); |
3474 | SvGETMAGIC (hook); |
3955 | SvGETMAGIC (hook); |
|
|
3956 | if (SvOK (hook)) |
|
|
3957 | { |
3475 | coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0; |
3958 | coro_readyhook = newSVsv (hook); |
|
|
3959 | CORO_READYHOOK = invoke_sv_ready_hook_helper; |
|
|
3960 | } |
|
|
3961 | else |
|
|
3962 | { |
|
|
3963 | coro_readyhook = 0; |
|
|
3964 | CORO_READYHOOK = 0; |
|
|
3965 | } |
3476 | |
3966 | |
3477 | int |
3967 | int |
3478 | prio (Coro::State coro, int newprio = 0) |
3968 | prio (Coro::State coro, int newprio = 0) |
3479 | PROTOTYPE: $;$ |
3969 | PROTOTYPE: $;$ |
3480 | ALIAS: |
3970 | ALIAS: |
… | |
… | |
3544 | for (i = 1; i < items; ++i) |
4034 | for (i = 1; i < items; ++i) |
3545 | av_push (av, SvREFCNT_inc_NN (ST (i))); |
4035 | av_push (av, SvREFCNT_inc_NN (ST (i))); |
3546 | |
4036 | |
3547 | if ((SV *)hv == &PL_sv_undef) |
4037 | if ((SV *)hv == &PL_sv_undef) |
3548 | { |
4038 | { |
3549 | PUSHMARK (SP); |
4039 | SV *sv = coro_new (aTHX_ coro_stash, (SV **)&cv_pool_handler, 1, 1); |
3550 | EXTEND (SP, 2); |
|
|
3551 | PUSHs (sv_Coro); |
|
|
3552 | PUSHs ((SV *)cv_pool_handler); |
|
|
3553 | PUTBACK; |
|
|
3554 | call_sv ((SV *)cv_coro_state_new, G_SCALAR); |
|
|
3555 | SPAGAIN; |
|
|
3556 | |
|
|
3557 | hv = (HV *)SvREFCNT_inc_NN (SvRV (POPs)); |
4040 | hv = (HV *)SvREFCNT_inc_NN (SvRV (sv)); |
|
|
4041 | SvREFCNT_dec (sv); |
3558 | } |
4042 | } |
3559 | |
4043 | |
3560 | { |
4044 | { |
3561 | struct coro *coro = SvSTATE_hv (hv); |
4045 | struct coro *coro = SvSTATE_hv (hv); |
3562 | |
4046 | |
… | |
… | |
3596 | CODE: |
4080 | CODE: |
3597 | { |
4081 | { |
3598 | struct coro *coro = SvSTATE_current; |
4082 | struct coro *coro = SvSTATE_current; |
3599 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
4083 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
3600 | |
4084 | |
3601 | block = (SV *)coro_sv_2cv (aTHX_ block); |
4085 | block = s_get_cv_croak (block); |
3602 | |
4086 | |
3603 | if (!*avp) |
4087 | if (!*avp) |
3604 | *avp = newAV (); |
4088 | *avp = newAV (); |
3605 | |
4089 | |
3606 | av_push (*avp, SvREFCNT_inc (block)); |
4090 | av_push (*avp, SvREFCNT_inc (block)); |
… | |
… | |
3713 | } |
4197 | } |
3714 | |
4198 | |
3715 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
4199 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
3716 | |
4200 | |
3717 | void |
4201 | void |
3718 | _may_delete (SV *sem, int count, int extra_refs) |
4202 | _may_delete (SV *sem, int count, unsigned int extra_refs) |
3719 | PPCODE: |
4203 | PPCODE: |
3720 | { |
4204 | { |
3721 | AV *av = (AV *)SvRV (sem); |
4205 | AV *av = (AV *)SvRV (sem); |
3722 | |
4206 | |
3723 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
4207 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
… | |
… | |
3806 | |
4290 | |
3807 | void |
4291 | void |
3808 | _register (char *target, char *proto, SV *req) |
4292 | _register (char *target, char *proto, SV *req) |
3809 | CODE: |
4293 | CODE: |
3810 | { |
4294 | { |
3811 | CV *req_cv = coro_sv_2cv (aTHX_ req); |
4295 | SV *req_cv = s_get_cv_croak (req); |
3812 | /* newXSproto doesn't return the CV on 5.8 */ |
4296 | /* newXSproto doesn't return the CV on 5.8 */ |
3813 | CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__); |
4297 | CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__); |
3814 | sv_setpv ((SV *)slf_cv, proto); |
4298 | sv_setpv ((SV *)slf_cv, proto); |
3815 | sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0); |
4299 | sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0); |
3816 | } |
4300 | } |
3817 | |
4301 | |
|
|
4302 | MODULE = Coro::State PACKAGE = Coro::Select |
|
|
4303 | |
|
|
4304 | void |
|
|
4305 | patch_pp_sselect () |
|
|
4306 | CODE: |
|
|
4307 | if (!coro_old_pp_sselect) |
|
|
4308 | { |
|
|
4309 | coro_select_select = (SV *)get_cv ("Coro::Select::select", 0); |
|
|
4310 | coro_old_pp_sselect = PL_ppaddr [OP_SSELECT]; |
|
|
4311 | PL_ppaddr [OP_SSELECT] = coro_pp_sselect; |
|
|
4312 | } |
|
|
4313 | |
|
|
4314 | void |
|
|
4315 | unpatch_pp_sselect () |
|
|
4316 | CODE: |
|
|
4317 | if (coro_old_pp_sselect) |
|
|
4318 | { |
|
|
4319 | PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; |
|
|
4320 | coro_old_pp_sselect = 0; |
|
|
4321 | } |
|
|
4322 | |