1 | /* this works around a bug in mingw32 providing a non-working setjmp */ |
1 | /* this works around a bug in mingw32 providing a non-working setjmp */ |
2 | #define USE_NO_MINGW_SETJMP_TWO_ARGS |
2 | #define USE_NO_MINGW_SETJMP_TWO_ARGS |
3 | |
3 | |
4 | #define NDEBUG 1 |
4 | #define NDEBUG 1 /* perl usually disables NDEBUG later */ |
5 | |
5 | |
6 | #include "libcoro/coro.c" |
6 | #include "libcoro/coro.c" |
7 | |
7 | |
8 | #define PERL_NO_GET_CONTEXT |
8 | #define PERL_NO_GET_CONTEXT |
9 | #define PERL_EXT |
9 | #define PERL_EXT |
… | |
… | |
12 | #include "perl.h" |
12 | #include "perl.h" |
13 | #include "XSUB.h" |
13 | #include "XSUB.h" |
14 | #include "perliol.h" |
14 | #include "perliol.h" |
15 | |
15 | |
16 | #include "schmorp.h" |
16 | #include "schmorp.h" |
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17 | |
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18 | #define ECB_NO_THREADS 1 |
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19 | #define ECB_NO_LIBM 1 |
17 | #include "ecb.h" |
20 | #include "ecb.h" |
18 | |
21 | |
19 | #include <stddef.h> |
22 | #include <stddef.h> |
20 | #include <stdio.h> |
23 | #include <stdio.h> |
21 | #include <errno.h> |
24 | #include <errno.h> |
22 | #include <assert.h> |
25 | #include <assert.h> |
23 | |
26 | |
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27 | #ifndef SvREFCNT_dec_NN |
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28 | #define SvREFCNT_dec_NN(sv) SvREFCNT_dec (sv) |
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29 | #endif |
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30 | |
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31 | #ifndef SvREFCNT_inc_NN |
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32 | #define SvREFCNT_inc_NN(sv) SvREFCNT_inc (sv) |
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33 | #endif |
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34 | |
24 | #ifndef SVs_PADSTALE |
35 | #ifndef SVs_PADSTALE |
25 | # define SVs_PADSTALE 0 |
36 | # define SVs_PADSTALE 0 |
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37 | #endif |
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38 | |
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39 | #ifdef PadARRAY |
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40 | # define NEWPADAPI 1 |
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41 | # define newPADLIST(var) (Newz (0, var, 1, PADLIST), Newx (PadlistARRAY (var), 2, PAD *)) |
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42 | #else |
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43 | typedef AV PADNAMELIST; |
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44 | # if !PERL_VERSION_ATLEAST(5,8,0) |
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45 | typedef AV PADLIST; |
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46 | typedef AV PAD; |
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47 | # endif |
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48 | # define PadlistARRAY(pl) ((PAD **)AvARRAY (pl)) |
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49 | # define PadlistMAX(pl) AvFILLp (pl) |
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50 | # define PadlistNAMES(pl) (*PadlistARRAY (pl)) |
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51 | # define PadARRAY AvARRAY |
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52 | # define PadMAX AvFILLp |
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53 | # define newPADLIST(var) ((var) = newAV (), av_extend (var, 1)) |
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54 | #endif |
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55 | #ifndef PadnamelistREFCNT |
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56 | # define PadnamelistREFCNT(pnl) SvREFCNT (pnl) |
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57 | #endif |
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58 | #ifndef PadnamelistREFCNT_dec |
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59 | # define PadnamelistREFCNT_dec(pnl) SvREFCNT_dec (pnl) |
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60 | #endif |
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61 | |
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62 | /* 5.19.something has replaced SVt_BIND by SVt_INVLIST */ |
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63 | /* we just alias it to SVt_IV, as that is sufficient for swap_sv for now */ |
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64 | #if PERL_VERSION_ATLEAST(5,19,0) |
|
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65 | # define SVt_BIND SVt_IV |
26 | #endif |
66 | #endif |
27 | |
67 | |
28 | #if defined(_WIN32) |
68 | #if defined(_WIN32) |
29 | # undef HAS_GETTIMEOFDAY |
69 | # undef HAS_GETTIMEOFDAY |
30 | # undef setjmp |
70 | # undef setjmp |
… | |
… | |
33 | # define setjmp _setjmp /* deep magic */ |
73 | # define setjmp _setjmp /* deep magic */ |
34 | #else |
74 | #else |
35 | # include <inttypes.h> /* most portable stdint.h */ |
75 | # include <inttypes.h> /* most portable stdint.h */ |
36 | #endif |
76 | #endif |
37 | |
77 | |
38 | #ifdef HAVE_MMAP |
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39 | # include <unistd.h> |
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40 | # include <sys/mman.h> |
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41 | # ifndef MAP_ANONYMOUS |
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42 | # ifdef MAP_ANON |
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43 | # define MAP_ANONYMOUS MAP_ANON |
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44 | # else |
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45 | # undef HAVE_MMAP |
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46 | # endif |
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47 | # endif |
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48 | # include <limits.h> |
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49 | # ifndef PAGESIZE |
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50 | # define PAGESIZE pagesize |
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51 | # define BOOT_PAGESIZE pagesize = sysconf (_SC_PAGESIZE) |
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52 | static long pagesize; |
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53 | # else |
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54 | # define BOOT_PAGESIZE (void)0 |
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55 | # endif |
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56 | #else |
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57 | # define PAGESIZE 0 |
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58 | # define BOOT_PAGESIZE (void)0 |
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59 | #endif |
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60 | |
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61 | #if CORO_USE_VALGRIND |
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62 | # include <valgrind/valgrind.h> |
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63 | #endif |
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64 | |
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65 | /* the maximum number of idle cctx that will be pooled */ |
78 | /* the maximum number of idle cctx that will be pooled */ |
66 | static int cctx_max_idle = 4; |
79 | static int cctx_max_idle = 4; |
67 | |
80 | |
68 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
81 | #if defined(DEBUGGING) && PERL_VERSION_ATLEAST(5,12,0) |
69 | # undef CORO_STACKGUARD |
82 | # define HAS_SCOPESTACK_NAME 1 |
70 | #endif |
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71 | |
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72 | #ifndef CORO_STACKGUARD |
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73 | # define CORO_STACKGUARD 0 |
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74 | #endif |
83 | #endif |
75 | |
84 | |
76 | /* prefer perl internal functions over our own? */ |
85 | /* prefer perl internal functions over our own? */ |
77 | #ifndef CORO_PREFER_PERL_FUNCTIONS |
86 | #ifndef CORO_PREFER_PERL_FUNCTIONS |
78 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
87 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
… | |
… | |
107 | # define CORO_CLOCK_MONOTONIC 1 |
116 | # define CORO_CLOCK_MONOTONIC 1 |
108 | # define CORO_CLOCK_THREAD_CPUTIME_ID 3 |
117 | # define CORO_CLOCK_THREAD_CPUTIME_ID 3 |
109 | # endif |
118 | # endif |
110 | #endif |
119 | #endif |
111 | |
120 | |
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|
121 | /* one off bugfix for perl 5.22 */ |
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122 | #if PERL_VERSION_ATLEAST(5,22,0) && !PERL_VERSION_ATLEAST(5,24,0) |
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123 | # undef PadlistNAMES |
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124 | # define PadlistNAMES(pl) *((PADNAMELIST **)PadlistARRAY (pl)) |
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125 | #endif |
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126 | |
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127 | #if PERL_VERSION_ATLEAST(5,24,0) |
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128 | # define SUB_ARGARRAY PL_curpad[0] |
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129 | #else |
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130 | # define SUB_ARGARRAY (SV *)cx->blk_sub.argarray |
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131 | #endif |
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132 | |
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133 | /* perl usually suppresses asserts. for debugging, we sometimes force it to be on */ |
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134 | #if 0 |
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135 | # undef NDEBUG |
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136 | # include <assert.h> |
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137 | #endif |
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138 | |
112 | static double (*nvtime)(); /* so why doesn't it take void? */ |
139 | static double (*nvtime)(); /* so why doesn't it take void? */ |
113 | static void (*u2time)(pTHX_ UV ret[2]); |
140 | static void (*u2time)(pTHX_ UV ret[2]); |
114 | |
141 | |
115 | /* we hijack an hopefully unused CV flag for our purposes */ |
142 | /* we hijack an hopefully unused CV flag for our purposes */ |
116 | #define CVf_SLF 0x4000 |
143 | #define CVf_SLF 0x4000 |
… | |
… | |
131 | |
158 | |
132 | static GV *irsgv; /* $/ */ |
159 | static GV *irsgv; /* $/ */ |
133 | static GV *stdoutgv; /* *STDOUT */ |
160 | static GV *stdoutgv; /* *STDOUT */ |
134 | static SV *rv_diehook; |
161 | static SV *rv_diehook; |
135 | static SV *rv_warnhook; |
162 | static SV *rv_warnhook; |
136 | static HV *hv_sig; /* %SIG */ |
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137 | |
163 | |
138 | /* async_pool helper stuff */ |
164 | /* async_pool helper stuff */ |
139 | static SV *sv_pool_rss; |
165 | static SV *sv_pool_rss; |
140 | static SV *sv_pool_size; |
166 | static SV *sv_pool_size; |
141 | static SV *sv_async_pool_idle; /* description string */ |
167 | static SV *sv_async_pool_idle; /* description string */ |
… | |
… | |
169 | typedef struct coro_cctx |
195 | typedef struct coro_cctx |
170 | { |
196 | { |
171 | struct coro_cctx *next; |
197 | struct coro_cctx *next; |
172 | |
198 | |
173 | /* the stack */ |
199 | /* the stack */ |
174 | void *sptr; |
200 | struct coro_stack stack; |
175 | size_t ssize; |
|
|
176 | |
201 | |
177 | /* cpu state */ |
202 | /* cpu state */ |
178 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
203 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
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|
204 | #ifndef NDEBUG |
179 | JMPENV *idle_te; /* same as idle_sp, but for top_env, TODO: remove once stable */ |
205 | JMPENV *idle_te; /* same as idle_sp, but for top_env */ |
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206 | #endif |
180 | JMPENV *top_env; |
207 | JMPENV *top_env; |
181 | coro_context cctx; |
208 | coro_context cctx; |
182 | |
209 | |
183 | U32 gen; |
210 | U32 gen; |
184 | #if CORO_USE_VALGRIND |
211 | #if CORO_USE_VALGRIND |
… | |
… | |
204 | }; |
231 | }; |
205 | |
232 | |
206 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
233 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
207 | typedef struct |
234 | typedef struct |
208 | { |
235 | { |
209 | SV *defsv; |
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210 | AV *defav; |
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211 | SV *errsv; |
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212 | SV *irsgv; |
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213 | HV *hinthv; |
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214 | #define VAR(name,type) type name; |
236 | #define VARx(name,expr,type) type name; |
215 | # include "state.h" |
237 | #include "state.h" |
216 | #undef VAR |
|
|
217 | } perl_slots; |
238 | } perl_slots; |
218 | |
239 | |
219 | // how many context stack entries do we need for perl_slots |
240 | /* how many context stack entries do we need for perl_slots */ |
220 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
241 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
221 | |
242 | |
222 | /* this is a structure representing a perl-level coroutine */ |
243 | /* this is a structure representing a perl-level coroutine */ |
223 | struct coro |
244 | struct coro |
224 | { |
245 | { |
… | |
… | |
252 | SV *saved_deffh; |
273 | SV *saved_deffh; |
253 | SV *invoke_cb; |
274 | SV *invoke_cb; |
254 | AV *invoke_av; |
275 | AV *invoke_av; |
255 | |
276 | |
256 | /* on_enter/on_leave */ |
277 | /* on_enter/on_leave */ |
257 | AV *on_enter; |
278 | AV *on_enter; AV *on_enter_xs; |
258 | AV *on_leave; |
279 | AV *on_leave; AV *on_leave_xs; |
259 | |
280 | |
260 | /* swap_sv */ |
281 | /* swap_sv */ |
261 | AV *swap_sv; |
282 | AV *swap_sv; |
262 | |
283 | |
263 | /* times */ |
284 | /* times */ |
… | |
… | |
290 | static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ |
311 | static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ |
291 | static CV *cv_coro_run; |
312 | static CV *cv_coro_run; |
292 | static struct coro *coro_first; |
313 | static struct coro *coro_first; |
293 | #define coro_nready coroapi.nready |
314 | #define coro_nready coroapi.nready |
294 | |
315 | |
|
|
316 | /** JIT *********************************************************************/ |
|
|
317 | |
|
|
318 | #if CORO_JIT |
|
|
319 | /* APPLE doesn't have mmap though */ |
|
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320 | #define CORO_JIT_UNIXY (__linux || __FreeBSD__ || __OpenBSD__ || __NetBSD__ || __solaris || __APPLE__) |
|
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321 | #ifndef CORO_JIT_TYPE |
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322 | #if ECB_AMD64 && CORO_JIT_UNIXY |
|
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323 | #define CORO_JIT_TYPE "amd64-unix" |
|
|
324 | #elif __i386 && CORO_JIT_UNIXY |
|
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325 | #define CORO_JIT_TYPE "x86-unix" |
|
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326 | #endif |
|
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327 | #endif |
|
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328 | #endif |
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329 | |
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330 | #if !defined(CORO_JIT_TYPE) || _POSIX_MEMORY_PROTECTION <= 0 |
|
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331 | #undef CORO_JIT |
|
|
332 | #endif |
|
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333 | |
|
|
334 | #if CORO_JIT |
|
|
335 | typedef void (*load_save_perl_slots_type)(perl_slots *); |
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|
336 | static load_save_perl_slots_type load_perl_slots, save_perl_slots; |
|
|
337 | #endif |
|
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338 | |
295 | /** Coro::Select ************************************************************/ |
339 | /** Coro::Select ************************************************************/ |
296 | |
340 | |
297 | static OP *(*coro_old_pp_sselect) (pTHX); |
341 | static OP *(*coro_old_pp_sselect) (pTHX); |
298 | static SV *coro_select_select; |
342 | static SV *coro_select_select; |
299 | |
343 | |
… | |
… | |
314 | |
358 | |
315 | /** time stuff **************************************************************/ |
359 | /** time stuff **************************************************************/ |
316 | |
360 | |
317 | #ifdef HAS_GETTIMEOFDAY |
361 | #ifdef HAS_GETTIMEOFDAY |
318 | |
362 | |
319 | ECB_INLINE void |
363 | ecb_inline void |
320 | coro_u2time (pTHX_ UV ret[2]) |
364 | coro_u2time (pTHX_ UV ret[2]) |
321 | { |
365 | { |
322 | struct timeval tv; |
366 | struct timeval tv; |
323 | gettimeofday (&tv, 0); |
367 | gettimeofday (&tv, 0); |
324 | |
368 | |
325 | ret [0] = tv.tv_sec; |
369 | ret [0] = tv.tv_sec; |
326 | ret [1] = tv.tv_usec; |
370 | ret [1] = tv.tv_usec; |
327 | } |
371 | } |
328 | |
372 | |
329 | ECB_INLINE double |
373 | ecb_inline double |
330 | coro_nvtime () |
374 | coro_nvtime (void) |
331 | { |
375 | { |
332 | struct timeval tv; |
376 | struct timeval tv; |
333 | gettimeofday (&tv, 0); |
377 | gettimeofday (&tv, 0); |
334 | |
378 | |
335 | return tv.tv_sec + tv.tv_usec * 1e-6; |
379 | return tv.tv_sec + tv.tv_usec * 1e-6; |
336 | } |
380 | } |
337 | |
381 | |
338 | ECB_INLINE void |
382 | ecb_inline void |
339 | time_init (pTHX) |
383 | time_init (pTHX) |
340 | { |
384 | { |
341 | nvtime = coro_nvtime; |
385 | nvtime = coro_nvtime; |
342 | u2time = coro_u2time; |
386 | u2time = coro_u2time; |
343 | } |
387 | } |
344 | |
388 | |
345 | #else |
389 | #else |
346 | |
390 | |
347 | ECB_INLINE void |
391 | ecb_inline void |
348 | time_init (pTHX) |
392 | time_init (pTHX) |
349 | { |
393 | { |
350 | SV **svp; |
394 | SV **svp; |
351 | |
395 | |
352 | require_pv ("Time/HiRes.pm"); |
396 | require_pv ("Time/HiRes.pm"); |
353 | |
397 | |
354 | svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
398 | svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
355 | |
399 | |
356 | if (!svp) croak ("Time::HiRes is required, but missing. Caught"); |
400 | if (!svp) croak ("Time::HiRes is required, but missing. Caught"); |
357 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer. Caught"); |
401 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer. Caught"); |
358 | |
402 | |
… | |
… | |
394 | get_hv (name, create); |
438 | get_hv (name, create); |
395 | #endif |
439 | #endif |
396 | return get_hv (name, create); |
440 | return get_hv (name, create); |
397 | } |
441 | } |
398 | |
442 | |
399 | ECB_INLINE void |
443 | ecb_inline void |
400 | coro_times_update () |
444 | coro_times_update (void) |
401 | { |
445 | { |
402 | #ifdef coro_clock_gettime |
446 | #ifdef coro_clock_gettime |
403 | struct timespec ts; |
447 | struct timespec ts; |
404 | |
448 | |
405 | ts.tv_sec = ts.tv_nsec = 0; |
449 | ts.tv_sec = ts.tv_nsec = 0; |
… | |
… | |
417 | time_real [0] = tv [0]; |
461 | time_real [0] = tv [0]; |
418 | time_real [1] = tv [1] * 1000; |
462 | time_real [1] = tv [1] * 1000; |
419 | #endif |
463 | #endif |
420 | } |
464 | } |
421 | |
465 | |
422 | ECB_INLINE void |
466 | ecb_inline void |
423 | coro_times_add (struct coro *c) |
467 | coro_times_add (struct coro *c) |
424 | { |
468 | { |
425 | c->t_real [1] += time_real [1]; |
469 | c->t_real [1] += time_real [1]; |
426 | if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } |
470 | if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } |
427 | c->t_real [0] += time_real [0]; |
471 | c->t_real [0] += time_real [0]; |
… | |
… | |
429 | c->t_cpu [1] += time_cpu [1]; |
473 | c->t_cpu [1] += time_cpu [1]; |
430 | if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } |
474 | if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } |
431 | c->t_cpu [0] += time_cpu [0]; |
475 | c->t_cpu [0] += time_cpu [0]; |
432 | } |
476 | } |
433 | |
477 | |
434 | ECB_INLINE void |
478 | ecb_inline void |
435 | coro_times_sub (struct coro *c) |
479 | coro_times_sub (struct coro *c) |
436 | { |
480 | { |
437 | if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } |
481 | if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } |
438 | c->t_real [1] -= time_real [1]; |
482 | c->t_real [1] -= time_real [1]; |
439 | c->t_real [0] -= time_real [0]; |
483 | c->t_real [0] -= time_real [0]; |
… | |
… | |
460 | : 0) |
504 | : 0) |
461 | |
505 | |
462 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
506 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
463 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
507 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
464 | |
508 | |
465 | ECB_INLINE MAGIC * |
509 | ecb_inline MAGIC * |
466 | SvSTATEhv_p (pTHX_ SV *coro) |
510 | SvSTATEhv_p (pTHX_ SV *coro) |
467 | { |
511 | { |
468 | MAGIC *mg; |
512 | MAGIC *mg; |
469 | |
513 | |
470 | if (ecb_expect_true ( |
514 | if (ecb_expect_true ( |
… | |
… | |
475 | return mg; |
519 | return mg; |
476 | |
520 | |
477 | return 0; |
521 | return 0; |
478 | } |
522 | } |
479 | |
523 | |
480 | ECB_INLINE struct coro * |
524 | ecb_inline struct coro * |
481 | SvSTATE_ (pTHX_ SV *coro) |
525 | SvSTATE_ (pTHX_ SV *coro_sv) |
482 | { |
526 | { |
483 | MAGIC *mg; |
527 | MAGIC *mg; |
484 | |
528 | |
485 | if (SvROK (coro)) |
529 | if (SvROK (coro_sv)) |
486 | coro = SvRV (coro); |
530 | coro_sv = SvRV (coro_sv); |
487 | |
531 | |
488 | mg = SvSTATEhv_p (aTHX_ coro); |
532 | mg = SvSTATEhv_p (aTHX_ coro_sv); |
489 | if (!mg) |
533 | if (!mg) |
490 | croak ("Coro::State object required"); |
534 | croak ("Coro::State object required"); |
491 | |
535 | |
492 | return (struct coro *)mg->mg_ptr; |
536 | return (struct coro *)mg->mg_ptr; |
493 | } |
537 | } |
… | |
… | |
499 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
543 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
500 | |
544 | |
501 | /*****************************************************************************/ |
545 | /*****************************************************************************/ |
502 | /* padlist management and caching */ |
546 | /* padlist management and caching */ |
503 | |
547 | |
504 | ECB_INLINE AV * |
548 | ecb_inline PADLIST * |
505 | coro_derive_padlist (pTHX_ CV *cv) |
549 | coro_derive_padlist (pTHX_ CV *cv) |
506 | { |
550 | { |
507 | AV *padlist = CvPADLIST (cv); |
551 | PADLIST *padlist = CvPADLIST (cv); |
508 | AV *newpadlist, *newpad; |
552 | PADLIST *newpadlist; |
|
|
553 | PADNAMELIST *padnames; |
|
|
554 | PAD *newpad; |
|
|
555 | PADOFFSET off = PadlistMAX (padlist) + 1; |
509 | |
556 | |
510 | newpadlist = newAV (); |
557 | #if NEWPADAPI |
|
|
558 | |
|
|
559 | /* if we had the original CvDEPTH, we might be able to steal the CvDEPTH+1 entry instead */ |
|
|
560 | /* 20131102194744.GA6705@schmorp.de, 20131102195825.2013.qmail@lists-nntp.develooper.com */ |
|
|
561 | while (!PadlistARRAY (padlist)[off - 1]) |
|
|
562 | --off; |
|
|
563 | |
|
|
564 | Perl_pad_push (aTHX_ padlist, off); |
|
|
565 | |
|
|
566 | newpad = PadlistARRAY (padlist)[off]; |
|
|
567 | PadlistARRAY (padlist)[off] = 0; |
|
|
568 | |
|
|
569 | #else |
|
|
570 | |
|
|
571 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
572 | Perl_pad_push (aTHX_ padlist, off); |
|
|
573 | #else |
|
|
574 | Perl_pad_push (aTHX_ padlist, off, 1); |
|
|
575 | #endif |
|
|
576 | |
|
|
577 | newpad = PadlistARRAY (padlist)[off]; |
|
|
578 | PadlistMAX (padlist) = off - 1; |
|
|
579 | |
|
|
580 | #endif |
|
|
581 | |
|
|
582 | newPADLIST (newpadlist); |
|
|
583 | #if !PERL_VERSION_ATLEAST(5,15,3) |
|
|
584 | /* Padlists are AvREAL as of 5.15.3. See perl bug #98092 and perl commit 7d953ba. */ |
511 | AvREAL_off (newpadlist); |
585 | AvREAL_off (newpadlist); |
512 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
513 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1); |
|
|
514 | #else |
|
|
515 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
|
|
516 | #endif |
586 | #endif |
517 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
|
|
518 | --AvFILLp (padlist); |
|
|
519 | |
587 | |
520 | av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0])); |
588 | /* Already extended to 2 elements by newPADLIST. */ |
521 | av_store (newpadlist, 1, (SV *)newpad); |
589 | PadlistMAX (newpadlist) = 1; |
|
|
590 | |
|
|
591 | padnames = PadlistNAMES (padlist); |
|
|
592 | ++PadnamelistREFCNT (padnames); |
|
|
593 | PadlistNAMES (newpadlist) = padnames; |
|
|
594 | |
|
|
595 | PadlistARRAY (newpadlist)[1] = newpad; |
522 | |
596 | |
523 | return newpadlist; |
597 | return newpadlist; |
524 | } |
598 | } |
525 | |
599 | |
526 | ECB_INLINE void |
600 | ecb_inline void |
527 | free_padlist (pTHX_ AV *padlist) |
601 | free_padlist (pTHX_ PADLIST *padlist) |
528 | { |
602 | { |
529 | /* may be during global destruction */ |
603 | /* may be during global destruction */ |
530 | if (!IN_DESTRUCT) |
604 | if (!IN_DESTRUCT) |
531 | { |
605 | { |
532 | I32 i = AvFILLp (padlist); |
606 | I32 i = PadlistMAX (padlist); |
533 | |
607 | |
534 | while (i > 0) /* special-case index 0 */ |
608 | while (i > 0) /* special-case index 0 */ |
535 | { |
609 | { |
536 | /* we try to be extra-careful here */ |
610 | /* we try to be extra-careful here */ |
537 | AV *av = (AV *)AvARRAY (padlist)[i--]; |
611 | PAD *pad = PadlistARRAY (padlist)[i--]; |
538 | I32 j = AvFILLp (av); |
|
|
539 | |
612 | |
|
|
613 | if (pad) |
|
|
614 | { |
|
|
615 | I32 j = PadMAX (pad); |
|
|
616 | |
540 | while (j >= 0) |
617 | while (j >= 0) |
541 | SvREFCNT_dec (AvARRAY (av)[j--]); |
618 | SvREFCNT_dec (PadARRAY (pad)[j--]); |
542 | |
619 | |
543 | AvFILLp (av) = -1; |
620 | PadMAX (pad) = -1; |
544 | SvREFCNT_dec (av); |
621 | SvREFCNT_dec (pad); |
|
|
622 | } |
545 | } |
623 | } |
546 | |
624 | |
547 | SvREFCNT_dec (AvARRAY (padlist)[0]); |
625 | PadnamelistREFCNT_dec (PadlistNAMES (padlist)); |
548 | |
626 | |
|
|
627 | #if NEWPADAPI |
|
|
628 | Safefree (PadlistARRAY (padlist)); |
|
|
629 | Safefree (padlist); |
|
|
630 | #else |
549 | AvFILLp (padlist) = -1; |
631 | AvFILLp (padlist) = -1; |
|
|
632 | AvREAL_off (padlist); |
550 | SvREFCNT_dec ((SV*)padlist); |
633 | SvREFCNT_dec ((SV*)padlist); |
|
|
634 | #endif |
551 | } |
635 | } |
552 | } |
636 | } |
553 | |
637 | |
554 | static int |
638 | static int |
555 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
639 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
556 | { |
640 | { |
557 | AV *padlist; |
641 | PADLIST *padlist; |
558 | AV *av = (AV *)mg->mg_obj; |
642 | PADLIST **padlists = (PADLIST **)(mg->mg_ptr + sizeof(size_t)); |
|
|
643 | size_t len = *(size_t *)mg->mg_ptr; |
559 | |
644 | |
560 | /* perl manages to free our internal AV and _then_ call us */ |
645 | /* perl manages to free our internal AV and _then_ call us */ |
561 | if (IN_DESTRUCT) |
646 | if (IN_DESTRUCT) |
562 | return 0; |
647 | return 0; |
563 | |
648 | |
564 | /* casting is fun. */ |
649 | while (len--) |
565 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
|
|
566 | free_padlist (aTHX_ padlist); |
650 | free_padlist (aTHX_ padlists[len]); |
567 | |
|
|
568 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
|
|
569 | |
651 | |
570 | return 0; |
652 | return 0; |
571 | } |
653 | } |
572 | |
654 | |
573 | static MGVTBL coro_cv_vtbl = { |
655 | static MGVTBL coro_cv_vtbl = { |
574 | 0, 0, 0, 0, |
656 | 0, 0, 0, 0, |
575 | coro_cv_free |
657 | coro_cv_free |
576 | }; |
658 | }; |
577 | |
659 | |
578 | /* the next two functions merely cache the padlists */ |
660 | /* the next two functions merely cache the padlists */ |
579 | ECB_INLINE void |
661 | ecb_inline void |
580 | get_padlist (pTHX_ CV *cv) |
662 | get_padlist (pTHX_ CV *cv) |
581 | { |
663 | { |
582 | MAGIC *mg = CORO_MAGIC_cv (cv); |
664 | MAGIC *mg = CORO_MAGIC_cv (cv); |
583 | AV *av; |
665 | size_t *lenp; |
584 | |
666 | |
585 | if (ecb_expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
667 | if (ecb_expect_true (mg && *(lenp = (size_t *)mg->mg_ptr))) |
586 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
668 | CvPADLIST (cv) = ((PADLIST **)(mg->mg_ptr + sizeof(size_t)))[--*lenp]; |
587 | else |
669 | else |
588 | { |
670 | { |
589 | #if CORO_PREFER_PERL_FUNCTIONS |
671 | #if CORO_PREFER_PERL_FUNCTIONS |
590 | /* this is probably cleaner? but also slower! */ |
672 | /* this is probably cleaner? but also slower! */ |
591 | /* in practise, it seems to be less stable */ |
673 | /* in practise, it seems to be less stable */ |
… | |
… | |
597 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
679 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
598 | #endif |
680 | #endif |
599 | } |
681 | } |
600 | } |
682 | } |
601 | |
683 | |
602 | ECB_INLINE void |
684 | ecb_inline void |
603 | put_padlist (pTHX_ CV *cv) |
685 | put_padlist (pTHX_ CV *cv) |
604 | { |
686 | { |
605 | MAGIC *mg = CORO_MAGIC_cv (cv); |
687 | MAGIC *mg = CORO_MAGIC_cv (cv); |
606 | AV *av; |
|
|
607 | |
688 | |
608 | if (ecb_expect_false (!mg)) |
689 | if (ecb_expect_false (!mg)) |
|
|
690 | { |
609 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
691 | mg = sv_magicext ((SV *)cv, 0, CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
|
|
692 | Newz (0, mg->mg_ptr ,sizeof (size_t) + sizeof (PADLIST *), char); |
|
|
693 | mg->mg_len = 1; /* so mg_free frees mg_ptr */ |
|
|
694 | } |
|
|
695 | else |
|
|
696 | Renew (mg->mg_ptr, |
|
|
697 | sizeof(size_t) + (*(size_t *)mg->mg_ptr + 1) * sizeof(PADLIST *), |
|
|
698 | char); |
610 | |
699 | |
611 | av = (AV *)mg->mg_obj; |
700 | ((PADLIST **)(mg->mg_ptr + sizeof (size_t))) [(*(size_t *)mg->mg_ptr)++] = CvPADLIST (cv); |
612 | |
|
|
613 | if (ecb_expect_false (AvFILLp (av) >= AvMAX (av))) |
|
|
614 | av_extend (av, AvFILLp (av) + 1); |
|
|
615 | |
|
|
616 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
|
|
617 | } |
701 | } |
618 | |
702 | |
619 | /** load & save, init *******************************************************/ |
703 | /** load & save, init *******************************************************/ |
620 | |
704 | |
|
|
705 | ecb_inline void |
|
|
706 | swap_sv (SV *a, SV *b) |
|
|
707 | { |
|
|
708 | const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */ |
|
|
709 | SV tmp; |
|
|
710 | |
|
|
711 | /* swap sv_any */ |
|
|
712 | SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp); |
|
|
713 | |
|
|
714 | /* swap sv_flags */ |
|
|
715 | SvFLAGS (&tmp) = SvFLAGS (a); |
|
|
716 | SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep); |
|
|
717 | SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep); |
|
|
718 | |
|
|
719 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
720 | /* perl 5.10 and later complicates this _quite_ a bit, but it also |
|
|
721 | * is much faster, so no quarrels here. alternatively, we could |
|
|
722 | * sv_upgrade to avoid this. |
|
|
723 | */ |
|
|
724 | { |
|
|
725 | /* swap sv_u */ |
|
|
726 | tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u; |
|
|
727 | |
|
|
728 | /* if SvANY points to the head, we need to adjust the pointers, |
|
|
729 | * as the pointer for a still points to b, and maybe vice versa. |
|
|
730 | */ |
|
|
731 | U32 svany_in_head_set = (1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV); |
|
|
732 | #if NVSIZE <= IVSIZE && PERL_VERSION_ATLEAST(5,22,0) |
|
|
733 | svany_in_head_set |= 1 << SVt_NV; |
|
|
734 | #endif |
|
|
735 | |
|
|
736 | #define svany_in_head(type) (svany_in_head_set & (1 << (type))) |
|
|
737 | |
|
|
738 | if (svany_in_head (SvTYPE (a))) |
|
|
739 | SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a); |
|
|
740 | |
|
|
741 | if (svany_in_head (SvTYPE (b))) |
|
|
742 | SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b); |
|
|
743 | } |
|
|
744 | #endif |
|
|
745 | } |
|
|
746 | |
621 | /* swap sv heads, at least logically */ |
747 | /* swap sv heads, at least logically */ |
622 | static void |
748 | static void |
623 | swap_svs (pTHX_ Coro__State c) |
749 | swap_svs_enter (pTHX_ Coro__State c) |
624 | { |
750 | { |
625 | int i; |
751 | int i; |
626 | |
752 | |
627 | for (i = 0; i <= AvFILLp (c->swap_sv); ) |
753 | for (i = 0; i <= AvFILLp (c->swap_sv); i += 2) |
628 | { |
754 | swap_sv (AvARRAY (c->swap_sv)[i], AvARRAY (c->swap_sv)[i + 1]); |
629 | SV *a = AvARRAY (c->swap_sv)[i++]; |
|
|
630 | SV *b = AvARRAY (c->swap_sv)[i++]; |
|
|
631 | |
|
|
632 | const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */ |
|
|
633 | SV tmp; |
|
|
634 | |
|
|
635 | /* swap sv_any */ |
|
|
636 | SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp); |
|
|
637 | |
|
|
638 | /* swap sv_flags */ |
|
|
639 | SvFLAGS (&tmp) = SvFLAGS (a); |
|
|
640 | SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep); |
|
|
641 | SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep); |
|
|
642 | |
|
|
643 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
644 | /* perl 5.10 complicates this _quite_ a bit, but it also is |
|
|
645 | * much faster, so no quarrels here. alternatively, we could |
|
|
646 | * sv_upgrade to avoid this. |
|
|
647 | */ |
|
|
648 | { |
|
|
649 | /* swap sv_u */ |
|
|
650 | tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u; |
|
|
651 | |
|
|
652 | /* if SvANY points to the head, we need to adjust the pointers, |
|
|
653 | * as the pointer for a still points to b, and maybe vice versa. |
|
|
654 | */ |
|
|
655 | #define svany_in_head(type) \ |
|
|
656 | (((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type))) |
|
|
657 | |
|
|
658 | if (svany_in_head (SvTYPE (a))) |
|
|
659 | SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a); |
|
|
660 | |
|
|
661 | if (svany_in_head (SvTYPE (b))) |
|
|
662 | SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b); |
|
|
663 | } |
|
|
664 | #endif |
|
|
665 | } |
|
|
666 | } |
755 | } |
667 | |
756 | |
|
|
757 | static void |
|
|
758 | swap_svs_leave (pTHX_ Coro__State c) |
|
|
759 | { |
|
|
760 | int i; |
|
|
761 | |
|
|
762 | for (i = AvFILLp (c->swap_sv) - 1; i >= 0; i -= 2) |
|
|
763 | swap_sv (AvARRAY (c->swap_sv)[i], AvARRAY (c->swap_sv)[i + 1]); |
|
|
764 | } |
|
|
765 | |
668 | #define SWAP_SVS(coro) \ |
766 | #define SWAP_SVS_ENTER(coro) \ |
669 | if (ecb_expect_false ((coro)->swap_sv)) \ |
767 | if (ecb_expect_false ((coro)->swap_sv)) \ |
670 | swap_svs (aTHX_ (coro)) |
768 | swap_svs_enter (aTHX_ (coro)) |
|
|
769 | |
|
|
770 | #define SWAP_SVS_LEAVE(coro) \ |
|
|
771 | if (ecb_expect_false ((coro)->swap_sv)) \ |
|
|
772 | swap_svs_leave (aTHX_ (coro)) |
671 | |
773 | |
672 | static void |
774 | static void |
673 | on_enterleave_call (pTHX_ SV *cb); |
775 | on_enterleave_call (pTHX_ SV *cb); |
674 | |
776 | |
675 | static void |
777 | static void |
… | |
… | |
678 | perl_slots *slot = c->slot; |
780 | perl_slots *slot = c->slot; |
679 | c->slot = 0; |
781 | c->slot = 0; |
680 | |
782 | |
681 | PL_mainstack = c->mainstack; |
783 | PL_mainstack = c->mainstack; |
682 | |
784 | |
683 | GvSV (PL_defgv) = slot->defsv; |
785 | #if CORO_JIT |
684 | GvAV (PL_defgv) = slot->defav; |
786 | load_perl_slots (slot); |
685 | GvSV (PL_errgv) = slot->errsv; |
787 | #else |
686 | GvSV (irsgv) = slot->irsgv; |
|
|
687 | GvHV (PL_hintgv) = slot->hinthv; |
|
|
688 | |
|
|
689 | #define VAR(name,type) PL_ ## name = slot->name; |
788 | #define VARx(name,expr,type) expr = slot->name; |
690 | # include "state.h" |
789 | #include "state.h" |
691 | #undef VAR |
790 | #endif |
692 | |
791 | |
693 | { |
792 | { |
694 | dSP; |
793 | dSP; |
695 | |
794 | |
696 | CV *cv; |
795 | CV *cv; |
… | |
… | |
698 | /* now do the ugly restore mess */ |
797 | /* now do the ugly restore mess */ |
699 | while (ecb_expect_true (cv = (CV *)POPs)) |
798 | while (ecb_expect_true (cv = (CV *)POPs)) |
700 | { |
799 | { |
701 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
800 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
702 | CvDEPTH (cv) = PTR2IV (POPs); |
801 | CvDEPTH (cv) = PTR2IV (POPs); |
703 | CvPADLIST (cv) = (AV *)POPs; |
802 | CvPADLIST (cv) = (PADLIST *)POPs; |
704 | } |
803 | } |
705 | |
804 | |
706 | PUTBACK; |
805 | PUTBACK; |
707 | } |
806 | } |
708 | |
807 | |
… | |
… | |
723 | |
822 | |
724 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
823 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
725 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
824 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
726 | } |
825 | } |
727 | |
826 | |
|
|
827 | if (ecb_expect_false (c->on_enter_xs)) |
|
|
828 | { |
|
|
829 | int i; |
|
|
830 | |
|
|
831 | for (i = 0; i <= AvFILLp (c->on_enter_xs); i += 2) |
|
|
832 | ((coro_enterleave_hook)AvARRAY (c->on_enter_xs)[i]) (aTHX_ AvARRAY (c->on_enter_xs)[i + 1]); |
|
|
833 | } |
|
|
834 | |
728 | SWAP_SVS (c); |
835 | SWAP_SVS_ENTER (c); |
729 | } |
836 | } |
730 | |
837 | |
731 | static void |
838 | static void |
732 | save_perl (pTHX_ Coro__State c) |
839 | save_perl (pTHX_ Coro__State c) |
733 | { |
840 | { |
734 | SWAP_SVS (c); |
841 | SWAP_SVS_LEAVE (c); |
|
|
842 | |
|
|
843 | if (ecb_expect_false (c->on_leave_xs)) |
|
|
844 | { |
|
|
845 | int i; |
|
|
846 | |
|
|
847 | for (i = AvFILLp (c->on_leave_xs) - 1; i >= 0; i -= 2) |
|
|
848 | ((coro_enterleave_hook)AvARRAY (c->on_leave_xs)[i]) (aTHX_ AvARRAY (c->on_leave_xs)[i + 1]); |
|
|
849 | } |
735 | |
850 | |
736 | if (ecb_expect_false (c->on_leave)) |
851 | if (ecb_expect_false (c->on_leave)) |
737 | { |
852 | { |
738 | int i; |
853 | int i; |
739 | |
854 | |
… | |
… | |
798 | |
913 | |
799 | PUTBACK; |
914 | PUTBACK; |
800 | } |
915 | } |
801 | |
916 | |
802 | /* allocate some space on the context stack for our purposes */ |
917 | /* allocate some space on the context stack for our purposes */ |
803 | if (ecb_expect_false (cxstack_ix + SLOT_COUNT >= cxstack_max)) |
918 | if (ecb_expect_false (cxstack_ix + (int)SLOT_COUNT >= cxstack_max)) |
804 | { |
919 | { |
805 | unsigned int i; |
920 | unsigned int i; |
806 | |
921 | |
807 | for (i = 0; i < SLOT_COUNT; ++i) |
922 | for (i = 0; i < SLOT_COUNT; ++i) |
808 | CXINC; |
923 | CXINC; |
… | |
… | |
813 | c->mainstack = PL_mainstack; |
928 | c->mainstack = PL_mainstack; |
814 | |
929 | |
815 | { |
930 | { |
816 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
931 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
817 | |
932 | |
818 | slot->defav = GvAV (PL_defgv); |
933 | #if CORO_JIT |
819 | slot->defsv = DEFSV; |
934 | save_perl_slots (slot); |
820 | slot->errsv = ERRSV; |
935 | #else |
821 | slot->irsgv = GvSV (irsgv); |
|
|
822 | slot->hinthv = GvHV (PL_hintgv); |
|
|
823 | |
|
|
824 | #define VAR(name,type) slot->name = PL_ ## name; |
936 | #define VARx(name,expr,type) slot->name = expr; |
825 | # include "state.h" |
937 | #include "state.h" |
826 | #undef VAR |
938 | #endif |
827 | } |
939 | } |
828 | } |
940 | } |
829 | |
941 | |
830 | /* |
942 | /* |
831 | * allocate various perl stacks. This is almost an exact copy |
943 | * allocate various perl stacks. This is almost an exact copy |
… | |
… | |
862 | #endif |
974 | #endif |
863 | |
975 | |
864 | New(54,PL_scopestack,8,I32); |
976 | New(54,PL_scopestack,8,I32); |
865 | PL_scopestack_ix = 0; |
977 | PL_scopestack_ix = 0; |
866 | PL_scopestack_max = 8; |
978 | PL_scopestack_max = 8; |
|
|
979 | #if HAS_SCOPESTACK_NAME |
|
|
980 | New(54,PL_scopestack_name,8,const char*); |
|
|
981 | #endif |
867 | |
982 | |
868 | New(54,PL_savestack,24,ANY); |
983 | New(54,PL_savestack,24,ANY); |
869 | PL_savestack_ix = 0; |
984 | PL_savestack_ix = 0; |
870 | PL_savestack_max = 24; |
985 | PL_savestack_max = 24; |
|
|
986 | #if PERL_VERSION_ATLEAST (5,24,0) |
|
|
987 | /* perl 5.24 moves SS_MAXPUSH optimisation from */ |
|
|
988 | /* the header macros to PL_savestack_max */ |
|
|
989 | PL_savestack_max -= SS_MAXPUSH; |
|
|
990 | #endif |
871 | |
991 | |
872 | #if !PERL_VERSION_ATLEAST (5,10,0) |
992 | #if !PERL_VERSION_ATLEAST (5,10,0) |
873 | New(54,PL_retstack,4,OP*); |
993 | New(54,PL_retstack,4,OP*); |
874 | PL_retstack_ix = 0; |
994 | PL_retstack_ix = 0; |
875 | PL_retstack_max = 4; |
995 | PL_retstack_max = 4; |
… | |
… | |
899 | } |
1019 | } |
900 | |
1020 | |
901 | Safefree (PL_tmps_stack); |
1021 | Safefree (PL_tmps_stack); |
902 | Safefree (PL_markstack); |
1022 | Safefree (PL_markstack); |
903 | Safefree (PL_scopestack); |
1023 | Safefree (PL_scopestack); |
|
|
1024 | #if HAS_SCOPESTACK_NAME |
|
|
1025 | Safefree (PL_scopestack_name); |
|
|
1026 | #endif |
904 | Safefree (PL_savestack); |
1027 | Safefree (PL_savestack); |
905 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1028 | #if !PERL_VERSION_ATLEAST (5,10,0) |
906 | Safefree (PL_retstack); |
1029 | Safefree (PL_retstack); |
907 | #endif |
1030 | #endif |
908 | } |
1031 | } |
… | |
… | |
938 | } |
1061 | } |
939 | |
1062 | |
940 | return rss; |
1063 | return rss; |
941 | } |
1064 | } |
942 | |
1065 | |
943 | /** coroutine stack handling ************************************************/ |
1066 | /** provide custom get/set/clear methods for %SIG elements ******************/ |
944 | |
|
|
945 | static int (*orig_sigelem_get) (pTHX_ SV *sv, MAGIC *mg); |
|
|
946 | static int (*orig_sigelem_set) (pTHX_ SV *sv, MAGIC *mg); |
|
|
947 | static int (*orig_sigelem_clr) (pTHX_ SV *sv, MAGIC *mg); |
|
|
948 | |
1067 | |
949 | /* apparently < 5.8.8 */ |
1068 | /* apparently < 5.8.8 */ |
950 | #ifndef MgPV_nolen_const |
1069 | #ifndef MgPV_nolen_const |
951 | #define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \ |
1070 | #define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \ |
952 | SvPV_nolen((SV*)((mg)->mg_ptr)) : \ |
1071 | SvPV_nolen((SV*)((mg)->mg_ptr)) : \ |
953 | (const char*)(mg)->mg_ptr) |
1072 | (const char*)(mg)->mg_ptr) |
954 | #endif |
1073 | #endif |
|
|
1074 | |
|
|
1075 | /* this will be a patched copy of PL_vtbl_sigelem */ |
|
|
1076 | static MGVTBL coro_sigelem_vtbl; |
|
|
1077 | |
|
|
1078 | static int ecb_cold |
|
|
1079 | coro_sig_copy (pTHX_ SV *sv, MAGIC *mg, SV *nsv, const char *name, I32 namlen) |
|
|
1080 | { |
|
|
1081 | char *key = SvPV_nolen ((SV *)name); |
|
|
1082 | |
|
|
1083 | /* do what mg_copy normally does */ |
|
|
1084 | sv_magic (nsv, mg->mg_obj, PERL_MAGIC_sigelem, name, namlen); |
|
|
1085 | assert (mg_find (nsv, PERL_MAGIC_sigelem)->mg_virtual == &PL_vtbl_sigelem); |
|
|
1086 | |
|
|
1087 | /* patch sigelem vtbl, but only for __WARN__ and __DIE__ */ |
|
|
1088 | if (*key == '_' |
|
|
1089 | && (strEQ (key, "__DIE__") |
|
|
1090 | || strEQ (key, "__WARN__"))) |
|
|
1091 | mg_find (nsv, PERL_MAGIC_sigelem)->mg_virtual = &coro_sigelem_vtbl; |
|
|
1092 | |
|
|
1093 | return 1; |
|
|
1094 | } |
|
|
1095 | |
|
|
1096 | /* perl does not have a %SIG vtbl, we provide one so we can override */ |
|
|
1097 | /* the magic vtbl for the __DIE__ and __WARN__ members */ |
|
|
1098 | static const MGVTBL coro_sig_vtbl = { |
|
|
1099 | 0, 0, 0, 0, 0, |
|
|
1100 | coro_sig_copy |
|
|
1101 | }; |
955 | |
1102 | |
956 | /* |
1103 | /* |
957 | * This overrides the default magic get method of %SIG elements. |
1104 | * This overrides the default magic get method of %SIG elements. |
958 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
1105 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
959 | * and instead of trying to save and restore the hash elements (extremely slow), |
1106 | * and instead of trying to save and restore the hash elements (extremely slow), |
… | |
… | |
961 | */ |
1108 | */ |
962 | static int ecb_cold |
1109 | static int ecb_cold |
963 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
1110 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
964 | { |
1111 | { |
965 | const char *s = MgPV_nolen_const (mg); |
1112 | const char *s = MgPV_nolen_const (mg); |
|
|
1113 | /* the key must be either __DIE__ or __WARN__ here */ |
|
|
1114 | SV **svp = s[2] == 'D' ? &PL_diehook : &PL_warnhook; |
966 | |
1115 | |
967 | if (*s == '_') |
1116 | SV *ssv; |
968 | { |
|
|
969 | SV **svp = 0; |
|
|
970 | |
1117 | |
971 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
|
|
972 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
|
|
973 | |
|
|
974 | if (svp) |
1118 | if (!*svp) |
975 | { |
1119 | ssv = &PL_sv_undef; |
976 | sv_setsv (sv, *svp ? *svp : &PL_sv_undef); |
1120 | else if (SvTYPE (*svp) == SVt_PVCV) /* perlio directly stores a CV in warnhook. ugh. */ |
977 | return 0; |
1121 | ssv = sv_2mortal (newRV_inc (*svp)); |
978 | } |
1122 | else |
979 | } |
1123 | ssv = *svp; |
980 | |
1124 | |
981 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
1125 | sv_setsv (sv, ssv); |
|
|
1126 | return 0; |
982 | } |
1127 | } |
983 | |
1128 | |
984 | static int ecb_cold |
1129 | static int ecb_cold |
985 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
1130 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
986 | { |
1131 | { |
987 | const char *s = MgPV_nolen_const (mg); |
1132 | const char *s = MgPV_nolen_const (mg); |
|
|
1133 | /* the key must be either __DIE__ or __WARN__ here */ |
|
|
1134 | SV **svp = s[2] == 'D' ? &PL_diehook : &PL_warnhook; |
988 | |
1135 | |
989 | if (*s == '_') |
|
|
990 | { |
|
|
991 | SV **svp = 0; |
|
|
992 | |
|
|
993 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
|
|
994 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
|
|
995 | |
|
|
996 | if (svp) |
|
|
997 | { |
|
|
998 | SV *old = *svp; |
1136 | SV *old = *svp; |
999 | *svp = 0; |
1137 | *svp = 0; |
1000 | SvREFCNT_dec (old); |
1138 | SvREFCNT_dec (old); |
1001 | return 0; |
1139 | return 0; |
1002 | } |
|
|
1003 | } |
|
|
1004 | |
|
|
1005 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
|
|
1006 | } |
1140 | } |
1007 | |
1141 | |
1008 | static int ecb_cold |
1142 | static int ecb_cold |
1009 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
1143 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
1010 | { |
1144 | { |
1011 | const char *s = MgPV_nolen_const (mg); |
1145 | const char *s = MgPV_nolen_const (mg); |
|
|
1146 | /* the key must be either __DIE__ or __WARN__ here */ |
|
|
1147 | SV **svp = s[2] == 'D' ? &PL_diehook : &PL_warnhook; |
1012 | |
1148 | |
1013 | if (*s == '_') |
|
|
1014 | { |
|
|
1015 | SV **svp = 0; |
|
|
1016 | |
|
|
1017 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
|
|
1018 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
|
|
1019 | |
|
|
1020 | if (svp) |
|
|
1021 | { |
|
|
1022 | SV *old = *svp; |
1149 | SV *old = *svp; |
1023 | *svp = SvOK (sv) ? newSVsv (sv) : 0; |
1150 | *svp = SvOK (sv) ? newSVsv (sv) : 0; |
1024 | SvREFCNT_dec (old); |
1151 | SvREFCNT_dec (old); |
1025 | return 0; |
1152 | return 0; |
1026 | } |
|
|
1027 | } |
|
|
1028 | |
|
|
1029 | return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0; |
|
|
1030 | } |
1153 | } |
1031 | |
1154 | |
1032 | static void |
1155 | static void |
1033 | prepare_nop (pTHX_ struct coro_transfer_args *ta) |
1156 | prepare_nop (pTHX_ struct coro_transfer_args *ta) |
1034 | { |
1157 | { |
… | |
… | |
1045 | static int |
1168 | static int |
1046 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
1169 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
1047 | { |
1170 | { |
1048 | return 1; |
1171 | return 1; |
1049 | } |
1172 | } |
|
|
1173 | |
|
|
1174 | /** coroutine stack handling ************************************************/ |
1050 | |
1175 | |
1051 | static UNOP init_perl_op; |
1176 | static UNOP init_perl_op; |
1052 | |
1177 | |
1053 | ecb_noinline static void /* noinline to keep it out of the transfer fast path */ |
1178 | ecb_noinline static void /* noinline to keep it out of the transfer fast path */ |
1054 | init_perl (pTHX_ struct coro *coro) |
1179 | init_perl (pTHX_ struct coro *coro) |
… | |
… | |
1075 | PL_hints = 0; |
1200 | PL_hints = 0; |
1076 | |
1201 | |
1077 | /* recreate the die/warn hooks */ |
1202 | /* recreate the die/warn hooks */ |
1078 | PL_diehook = SvREFCNT_inc (rv_diehook); |
1203 | PL_diehook = SvREFCNT_inc (rv_diehook); |
1079 | PL_warnhook = SvREFCNT_inc (rv_warnhook); |
1204 | PL_warnhook = SvREFCNT_inc (rv_warnhook); |
1080 | |
1205 | |
1081 | GvSV (PL_defgv) = newSV (0); |
1206 | GvSV (PL_defgv) = newSV (0); |
1082 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1207 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1083 | GvSV (PL_errgv) = newSV (0); |
1208 | GvSV (PL_errgv) = newSV (0); |
1084 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
1209 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
1085 | GvHV (PL_hintgv) = 0; |
1210 | GvHV (PL_hintgv) = newHV (); |
|
|
1211 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
1212 | hv_magic (GvHV (PL_hintgv), 0, PERL_MAGIC_hints); |
|
|
1213 | #endif |
1086 | PL_rs = newSVsv (GvSV (irsgv)); |
1214 | PL_rs = newSVsv (GvSV (irsgv)); |
1087 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
1215 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
1088 | |
1216 | |
1089 | { |
1217 | { |
1090 | dSP; |
1218 | dSP; |
… | |
… | |
1118 | PL_op = (OP *)&init_perl_op; |
1246 | PL_op = (OP *)&init_perl_op; |
1119 | |
1247 | |
1120 | /* copy throw, in case it was set before init_perl */ |
1248 | /* copy throw, in case it was set before init_perl */ |
1121 | CORO_THROW = coro->except; |
1249 | CORO_THROW = coro->except; |
1122 | |
1250 | |
1123 | SWAP_SVS (coro); |
1251 | SWAP_SVS_ENTER (coro); |
1124 | |
1252 | |
1125 | if (ecb_expect_false (enable_times)) |
1253 | if (ecb_expect_false (enable_times)) |
1126 | { |
1254 | { |
1127 | coro_times_update (); |
1255 | coro_times_update (); |
1128 | coro_times_sub (coro); |
1256 | coro_times_sub (coro); |
… | |
… | |
1166 | /* this will cause transfer_check to croak on block*/ |
1294 | /* this will cause transfer_check to croak on block*/ |
1167 | SvRV_set (coro_current, (SV *)coro->hv); |
1295 | SvRV_set (coro_current, (SV *)coro->hv); |
1168 | |
1296 | |
1169 | load_perl (aTHX_ coro); |
1297 | load_perl (aTHX_ coro); |
1170 | |
1298 | |
|
|
1299 | /* restore swapped sv's */ |
|
|
1300 | SWAP_SVS_LEAVE (coro); |
|
|
1301 | |
1171 | coro_unwind_stacks (aTHX); |
1302 | coro_unwind_stacks (aTHX); |
1172 | |
1303 | |
1173 | /* restore swapped sv's */ |
|
|
1174 | SWAP_SVS (coro); |
|
|
1175 | |
|
|
1176 | coro_destruct_stacks (aTHX); |
1304 | coro_destruct_stacks (aTHX); |
1177 | |
1305 | |
1178 | // now save some sv's to be free'd later |
1306 | /* now save some sv's to be free'd later */ |
1179 | svf [0] = GvSV (PL_defgv); |
1307 | svf [0] = GvSV (PL_defgv); |
1180 | svf [1] = (SV *)GvAV (PL_defgv); |
1308 | svf [1] = (SV *)GvAV (PL_defgv); |
1181 | svf [2] = GvSV (PL_errgv); |
1309 | svf [2] = GvSV (PL_errgv); |
1182 | svf [3] = (SV *)PL_defoutgv; |
1310 | svf [3] = (SV *)PL_defoutgv; |
1183 | svf [4] = PL_rs; |
1311 | svf [4] = PL_rs; |
… | |
… | |
1200 | |
1328 | |
1201 | SvREFCNT_dec (coro->saved_deffh); |
1329 | SvREFCNT_dec (coro->saved_deffh); |
1202 | SvREFCNT_dec (coro->rouse_cb); |
1330 | SvREFCNT_dec (coro->rouse_cb); |
1203 | SvREFCNT_dec (coro->invoke_cb); |
1331 | SvREFCNT_dec (coro->invoke_cb); |
1204 | SvREFCNT_dec (coro->invoke_av); |
1332 | SvREFCNT_dec (coro->invoke_av); |
|
|
1333 | SvREFCNT_dec (coro->on_enter_xs); |
|
|
1334 | SvREFCNT_dec (coro->on_leave_xs); |
1205 | } |
1335 | } |
1206 | } |
1336 | } |
1207 | |
1337 | |
1208 | ECB_INLINE void |
1338 | ecb_inline void |
1209 | free_coro_mortal (pTHX) |
1339 | free_coro_mortal (pTHX) |
1210 | { |
1340 | { |
1211 | if (ecb_expect_true (coro_mortal)) |
1341 | if (ecb_expect_true (coro_mortal)) |
1212 | { |
1342 | { |
1213 | SvREFCNT_dec ((SV *)coro_mortal); |
1343 | SvREFCNT_dec ((SV *)coro_mortal); |
… | |
… | |
1272 | |
1402 | |
1273 | if (PL_curcop != &PL_compiling) |
1403 | if (PL_curcop != &PL_compiling) |
1274 | { |
1404 | { |
1275 | SV **cb; |
1405 | SV **cb; |
1276 | |
1406 | |
1277 | if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB) |
1407 | if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB && cxstack_ix >= 0) |
1278 | { |
1408 | { |
1279 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1409 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1280 | |
1410 | |
1281 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
1411 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
1282 | { |
1412 | { |
… | |
… | |
1292 | SAVETMPS; |
1422 | SAVETMPS; |
1293 | EXTEND (SP, 3); |
1423 | EXTEND (SP, 3); |
1294 | PUSHMARK (SP); |
1424 | PUSHMARK (SP); |
1295 | PUSHs (&PL_sv_yes); |
1425 | PUSHs (&PL_sv_yes); |
1296 | PUSHs (fullname); |
1426 | PUSHs (fullname); |
1297 | PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef); |
1427 | PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc (SUB_ARGARRAY)) : &PL_sv_undef); |
1298 | PUTBACK; |
1428 | PUTBACK; |
1299 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
1429 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
1300 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
1430 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
1301 | SPAGAIN; |
1431 | SPAGAIN; |
1302 | FREETMPS; |
1432 | FREETMPS; |
… | |
… | |
1372 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1502 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1373 | slf_frame.check = slf_check_set_stacklevel; |
1503 | slf_frame.check = slf_check_set_stacklevel; |
1374 | } |
1504 | } |
1375 | |
1505 | |
1376 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1506 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1377 | ECB_INLINE void |
1507 | ecb_inline void |
1378 | transfer_tail (pTHX) |
1508 | transfer_tail (pTHX) |
1379 | { |
1509 | { |
1380 | free_coro_mortal (aTHX); |
1510 | free_coro_mortal (aTHX); |
|
|
1511 | } |
|
|
1512 | |
|
|
1513 | /* try to exit the same way perl's main function would do */ |
|
|
1514 | /* we do not bother resetting the environment or other things *7 |
|
|
1515 | /* that are not, uhm, essential */ |
|
|
1516 | /* this obviously also doesn't work when perl is embedded */ |
|
|
1517 | static void ecb_noinline ecb_cold |
|
|
1518 | perlish_exit (pTHX) |
|
|
1519 | { |
|
|
1520 | int exitstatus = perl_destruct (PL_curinterp); |
|
|
1521 | perl_free (PL_curinterp); |
|
|
1522 | exit (exitstatus); |
1381 | } |
1523 | } |
1382 | |
1524 | |
1383 | /* |
1525 | /* |
1384 | * this is a _very_ stripped down perl interpreter ;) |
1526 | * this is a _very_ stripped down perl interpreter ;) |
1385 | */ |
1527 | */ |
… | |
… | |
1412 | * coro body here, as perl_run destroys these. Likewise, we cannot catch |
1554 | * coro body here, as perl_run destroys these. Likewise, we cannot catch |
1413 | * runtime errors here, as this is just a random interpreter, not a thread. |
1555 | * runtime errors here, as this is just a random interpreter, not a thread. |
1414 | */ |
1556 | */ |
1415 | |
1557 | |
1416 | /* |
1558 | /* |
|
|
1559 | * pp_entersub in 5.24 no longer ENTERs, but perl_destruct |
|
|
1560 | * requires PL_scopestack_ix, so do it here if required. |
|
|
1561 | */ |
|
|
1562 | if (!PL_scopestack_ix) |
|
|
1563 | ENTER; |
|
|
1564 | |
|
|
1565 | /* |
1417 | * If perl-run returns we assume exit() was being called or the coro |
1566 | * If perl-run returns we assume exit() was being called or the coro |
1418 | * fell off the end, which seems to be the only valid (non-bug) |
1567 | * fell off the end, which seems to be the only valid (non-bug) |
1419 | * reason for perl_run to return. We try to exit by jumping to the |
1568 | * reason for perl_run to return. We try to mimic whatever perl is normally |
1420 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
1569 | * doing in that case. YMMV. |
1421 | * coroutine as Coro has no such concept. |
|
|
1422 | * This actually isn't valid with the pthread backend, but OSes requiring |
|
|
1423 | * that backend are too broken to do it in a standards-compliant way. |
|
|
1424 | */ |
1570 | */ |
1425 | PL_top_env = main_top_env; |
1571 | perlish_exit (aTHX); |
1426 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
|
|
1427 | } |
1572 | } |
1428 | } |
1573 | } |
1429 | |
1574 | |
1430 | static coro_cctx * |
1575 | static coro_cctx * |
1431 | cctx_new () |
1576 | cctx_new (void) |
1432 | { |
1577 | { |
1433 | coro_cctx *cctx; |
1578 | coro_cctx *cctx; |
1434 | |
1579 | |
1435 | ++cctx_count; |
1580 | ++cctx_count; |
1436 | New (0, cctx, 1, coro_cctx); |
1581 | New (0, cctx, 1, coro_cctx); |
… | |
… | |
1442 | return cctx; |
1587 | return cctx; |
1443 | } |
1588 | } |
1444 | |
1589 | |
1445 | /* create a new cctx only suitable as source */ |
1590 | /* create a new cctx only suitable as source */ |
1446 | static coro_cctx * |
1591 | static coro_cctx * |
1447 | cctx_new_empty () |
1592 | cctx_new_empty (void) |
1448 | { |
1593 | { |
1449 | coro_cctx *cctx = cctx_new (); |
1594 | coro_cctx *cctx = cctx_new (); |
1450 | |
1595 | |
1451 | cctx->sptr = 0; |
1596 | cctx->stack.sptr = 0; |
1452 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
1597 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
1453 | |
1598 | |
1454 | return cctx; |
1599 | return cctx; |
1455 | } |
1600 | } |
1456 | |
1601 | |
1457 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1602 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1458 | static coro_cctx * |
1603 | static coro_cctx * |
1459 | cctx_new_run () |
1604 | cctx_new_run (void) |
1460 | { |
1605 | { |
1461 | coro_cctx *cctx = cctx_new (); |
1606 | coro_cctx *cctx = cctx_new (); |
1462 | void *stack_start; |
|
|
1463 | size_t stack_size; |
|
|
1464 | |
1607 | |
1465 | #if HAVE_MMAP |
1608 | if (!coro_stack_alloc (&cctx->stack, cctx_stacksize)) |
1466 | cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
|
|
1467 | /* mmap supposedly does allocate-on-write for us */ |
|
|
1468 | cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
|
|
1469 | |
|
|
1470 | if (cctx->sptr != (void *)-1) |
|
|
1471 | { |
|
|
1472 | #if CORO_STACKGUARD |
|
|
1473 | mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); |
|
|
1474 | #endif |
|
|
1475 | stack_start = (char *)cctx->sptr + CORO_STACKGUARD * PAGESIZE; |
|
|
1476 | stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE; |
|
|
1477 | cctx->flags |= CC_MAPPED; |
|
|
1478 | } |
1609 | { |
1479 | else |
|
|
1480 | #endif |
|
|
1481 | { |
|
|
1482 | cctx->ssize = cctx_stacksize * (long)sizeof (long); |
|
|
1483 | New (0, cctx->sptr, cctx_stacksize, long); |
|
|
1484 | |
|
|
1485 | if (!cctx->sptr) |
|
|
1486 | { |
|
|
1487 | perror ("FATAL: unable to allocate stack for coroutine, exiting."); |
1610 | perror ("FATAL: unable to allocate stack for coroutine, exiting."); |
1488 | _exit (EXIT_FAILURE); |
1611 | _exit (EXIT_FAILURE); |
1489 | } |
|
|
1490 | |
|
|
1491 | stack_start = cctx->sptr; |
|
|
1492 | stack_size = cctx->ssize; |
|
|
1493 | } |
1612 | } |
1494 | |
1613 | |
1495 | #if CORO_USE_VALGRIND |
|
|
1496 | cctx->valgrind_id = VALGRIND_STACK_REGISTER ((char *)stack_start, (char *)stack_start + stack_size); |
|
|
1497 | #endif |
|
|
1498 | |
|
|
1499 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size); |
1614 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, cctx->stack.sptr, cctx->stack.ssze); |
1500 | |
1615 | |
1501 | return cctx; |
1616 | return cctx; |
1502 | } |
1617 | } |
1503 | |
1618 | |
1504 | static void |
1619 | static void |
… | |
… | |
1510 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current)); |
1625 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current)); |
1511 | |
1626 | |
1512 | --cctx_count; |
1627 | --cctx_count; |
1513 | coro_destroy (&cctx->cctx); |
1628 | coro_destroy (&cctx->cctx); |
1514 | |
1629 | |
1515 | /* coro_transfer creates new, empty cctx's */ |
1630 | coro_stack_free (&cctx->stack); |
1516 | if (cctx->sptr) |
|
|
1517 | { |
|
|
1518 | #if CORO_USE_VALGRIND |
|
|
1519 | VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); |
|
|
1520 | #endif |
|
|
1521 | |
|
|
1522 | #if HAVE_MMAP |
|
|
1523 | if (cctx->flags & CC_MAPPED) |
|
|
1524 | munmap (cctx->sptr, cctx->ssize); |
|
|
1525 | else |
|
|
1526 | #endif |
|
|
1527 | Safefree (cctx->sptr); |
|
|
1528 | } |
|
|
1529 | |
1631 | |
1530 | Safefree (cctx); |
1632 | Safefree (cctx); |
1531 | } |
1633 | } |
1532 | |
1634 | |
1533 | /* wether this cctx should be destructed */ |
1635 | /* wether this cctx should be destructed */ |
… | |
… | |
1552 | } |
1654 | } |
1553 | |
1655 | |
1554 | static void |
1656 | static void |
1555 | cctx_put (coro_cctx *cctx) |
1657 | cctx_put (coro_cctx *cctx) |
1556 | { |
1658 | { |
1557 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr)); |
1659 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->stack.sptr)); |
1558 | |
1660 | |
1559 | /* free another cctx if overlimit */ |
1661 | /* free another cctx if overlimit */ |
1560 | if (ecb_expect_false (cctx_idle >= cctx_max_idle)) |
1662 | if (ecb_expect_false (cctx_idle >= cctx_max_idle)) |
1561 | { |
1663 | { |
1562 | coro_cctx *first = cctx_first; |
1664 | coro_cctx *first = cctx_first; |
… | |
… | |
1688 | return; |
1790 | return; |
1689 | |
1791 | |
1690 | slf_destroy (aTHX_ coro); |
1792 | slf_destroy (aTHX_ coro); |
1691 | |
1793 | |
1692 | coro->flags |= CF_ZOMBIE; |
1794 | coro->flags |= CF_ZOMBIE; |
1693 | |
1795 | |
1694 | if (coro->flags & CF_READY) |
1796 | if (coro->flags & CF_READY) |
1695 | { |
1797 | { |
1696 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1798 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1697 | /* alternative: look through all ready queues and remove the coro */ |
1799 | /* alternative: look through all ready queues and remove the coro */ |
1698 | --coro_nready; |
1800 | --coro_nready; |
… | |
… | |
1775 | TRANSFER (ta, 1); |
1877 | TRANSFER (ta, 1); |
1776 | } |
1878 | } |
1777 | |
1879 | |
1778 | /** Coro ********************************************************************/ |
1880 | /** Coro ********************************************************************/ |
1779 | |
1881 | |
1780 | ECB_INLINE void |
1882 | ecb_inline void |
1781 | coro_enq (pTHX_ struct coro *coro) |
1883 | coro_enq (pTHX_ struct coro *coro) |
1782 | { |
1884 | { |
1783 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1885 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1784 | |
1886 | |
1785 | SvREFCNT_inc_NN (coro->hv); |
1887 | SvREFCNT_inc_NN (coro->hv); |
… | |
… | |
1787 | coro->next_ready = 0; |
1889 | coro->next_ready = 0; |
1788 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
1890 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
1789 | ready [1] = coro; |
1891 | ready [1] = coro; |
1790 | } |
1892 | } |
1791 | |
1893 | |
1792 | ECB_INLINE struct coro * |
1894 | ecb_inline struct coro * |
1793 | coro_deq (pTHX) |
1895 | coro_deq (pTHX) |
1794 | { |
1896 | { |
1795 | int prio; |
1897 | int prio; |
1796 | |
1898 | |
1797 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
1899 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
… | |
… | |
1850 | { |
1952 | { |
1851 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1953 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1852 | } |
1954 | } |
1853 | |
1955 | |
1854 | /* expects to own a reference to next->hv */ |
1956 | /* expects to own a reference to next->hv */ |
1855 | ECB_INLINE void |
1957 | ecb_inline void |
1856 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1958 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1857 | { |
1959 | { |
1858 | SV *prev_sv = SvRV (coro_current); |
1960 | SV *prev_sv = SvRV (coro_current); |
1859 | |
1961 | |
1860 | ta->prev = SvSTATE_hv (prev_sv); |
1962 | ta->prev = SvSTATE_hv (prev_sv); |
… | |
… | |
1894 | /* nothing to schedule: call the idle handler */ |
1996 | /* nothing to schedule: call the idle handler */ |
1895 | if (SvROK (sv_idle) |
1997 | if (SvROK (sv_idle) |
1896 | && SvOBJECT (SvRV (sv_idle))) |
1998 | && SvOBJECT (SvRV (sv_idle))) |
1897 | { |
1999 | { |
1898 | if (SvRV (sv_idle) == SvRV (coro_current)) |
2000 | if (SvRV (sv_idle) == SvRV (coro_current)) |
|
|
2001 | { |
|
|
2002 | require_pv ("Carp"); |
|
|
2003 | |
|
|
2004 | { |
|
|
2005 | dSP; |
|
|
2006 | |
|
|
2007 | ENTER; |
|
|
2008 | SAVETMPS; |
|
|
2009 | |
|
|
2010 | PUSHMARK (SP); |
1899 | croak ("FATAL: $Coro::IDLE blocked itself - did you try to block inside an event loop callback? Caught"); |
2011 | XPUSHs (sv_2mortal (newSVpv ("FATAL: $Coro::idle blocked itself - did you try to block inside an event loop callback? Caught", 0))); |
|
|
2012 | PUTBACK; |
|
|
2013 | call_pv ("Carp::confess", G_VOID | G_DISCARD); |
|
|
2014 | |
|
|
2015 | FREETMPS; |
|
|
2016 | LEAVE; |
|
|
2017 | } |
|
|
2018 | } |
1900 | |
2019 | |
1901 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
2020 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
1902 | api_ready (aTHX_ SvRV (sv_idle)); |
2021 | api_ready (aTHX_ SvRV (sv_idle)); |
1903 | --coro_nready; |
2022 | --coro_nready; |
1904 | } |
2023 | } |
… | |
… | |
1919 | } |
2038 | } |
1920 | } |
2039 | } |
1921 | } |
2040 | } |
1922 | } |
2041 | } |
1923 | |
2042 | |
1924 | ECB_INLINE void |
2043 | ecb_inline void |
1925 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
2044 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1926 | { |
2045 | { |
1927 | api_ready (aTHX_ coro_current); |
2046 | api_ready (aTHX_ coro_current); |
1928 | prepare_schedule (aTHX_ ta); |
2047 | prepare_schedule (aTHX_ ta); |
1929 | } |
2048 | } |
1930 | |
2049 | |
1931 | ECB_INLINE void |
2050 | ecb_inline void |
1932 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
2051 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
1933 | { |
2052 | { |
1934 | SV *prev = SvRV (coro_current); |
2053 | SV *prev = SvRV (coro_current); |
1935 | |
2054 | |
1936 | if (coro_nready) |
2055 | if (coro_nready) |
… | |
… | |
2101 | { |
2220 | { |
2102 | AV *od = coro->on_destroy; |
2221 | AV *od = coro->on_destroy; |
2103 | |
2222 | |
2104 | if (!od) |
2223 | if (!od) |
2105 | return; |
2224 | return; |
|
|
2225 | |
|
|
2226 | coro->on_destroy = 0; |
|
|
2227 | sv_2mortal ((SV *)od); |
2106 | |
2228 | |
2107 | while (AvFILLp (od) >= 0) |
2229 | while (AvFILLp (od) >= 0) |
2108 | { |
2230 | { |
2109 | SV *cb = sv_2mortal (av_pop (od)); |
2231 | SV *cb = sv_2mortal (av_pop (od)); |
2110 | |
2232 | |
… | |
… | |
2131 | |
2253 | |
2132 | static void |
2254 | static void |
2133 | coro_set_status (pTHX_ struct coro *coro, SV **arg, int items) |
2255 | coro_set_status (pTHX_ struct coro *coro, SV **arg, int items) |
2134 | { |
2256 | { |
2135 | AV *av; |
2257 | AV *av; |
2136 | |
2258 | |
2137 | if (coro->status) |
2259 | if (coro->status) |
2138 | { |
2260 | { |
2139 | av = coro->status; |
2261 | av = coro->status; |
2140 | av_clear (av); |
2262 | av_clear (av); |
2141 | } |
2263 | } |
… | |
… | |
2188 | |
2310 | |
2189 | coro = SvSTATE (arg [0]); |
2311 | coro = SvSTATE (arg [0]); |
2190 | coro_hv = coro->hv; |
2312 | coro_hv = coro->hv; |
2191 | |
2313 | |
2192 | coro_set_status (aTHX_ coro, arg + 1, items - 1); |
2314 | coro_set_status (aTHX_ coro, arg + 1, items - 1); |
2193 | |
2315 | |
2194 | if (ecb_expect_false (coro->flags & CF_NOCANCEL)) |
2316 | if (ecb_expect_false (coro->flags & CF_NOCANCEL)) |
2195 | { |
2317 | { |
2196 | /* coro currently busy cancelling something, so just notify it */ |
2318 | /* coro currently busy cancelling something, so just notify it */ |
2197 | coro->slf_frame.data = (void *)coro; |
2319 | coro->slf_frame.data = (void *)coro; |
2198 | |
2320 | |
… | |
… | |
2205 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
2327 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
2206 | } |
2328 | } |
2207 | else |
2329 | else |
2208 | { |
2330 | { |
2209 | struct coro *self = SvSTATE_current; |
2331 | struct coro *self = SvSTATE_current; |
|
|
2332 | |
|
|
2333 | if (!self) |
|
|
2334 | croak ("Coro::cancel called outside of thread content,"); |
2210 | |
2335 | |
2211 | /* otherwise we cancel directly, purely for speed reasons |
2336 | /* otherwise we cancel directly, purely for speed reasons |
2212 | * unfortunately, this requires some magic trickery, as |
2337 | * unfortunately, this requires some magic trickery, as |
2213 | * somebody else could cancel us, so we have to fight the cancellation. |
2338 | * somebody else could cancel us, so we have to fight the cancellation. |
2214 | * this is ugly, and hopefully fully worth the extra speed. |
2339 | * this is ugly, and hopefully fully worth the extra speed. |
… | |
… | |
2324 | else |
2449 | else |
2325 | { |
2450 | { |
2326 | av_clear (GvAV (PL_defgv)); |
2451 | av_clear (GvAV (PL_defgv)); |
2327 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
2452 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
2328 | |
2453 | |
|
|
2454 | if (ecb_expect_false (coro->swap_sv)) |
|
|
2455 | { |
|
|
2456 | SWAP_SVS_LEAVE (coro); |
|
|
2457 | SvREFCNT_dec_NN (coro->swap_sv); |
|
|
2458 | coro->swap_sv = 0; |
|
|
2459 | } |
|
|
2460 | |
2329 | coro->prio = 0; |
2461 | coro->prio = 0; |
2330 | |
2462 | |
2331 | if (coro->cctx && (coro->cctx->flags & CC_TRACE)) |
2463 | if (ecb_expect_false (coro->cctx) && ecb_expect_false (coro->cctx->flags & CC_TRACE)) |
2332 | api_trace (aTHX_ coro_current, 0); |
2464 | api_trace (aTHX_ coro_current, 0); |
2333 | |
2465 | |
2334 | frame->prepare = prepare_schedule; |
2466 | frame->prepare = prepare_schedule; |
2335 | av_push (av_async_pool, SvREFCNT_inc (hv)); |
2467 | av_push (av_async_pool, SvREFCNT_inc (hv)); |
2336 | } |
2468 | } |
… | |
… | |
2377 | |
2509 | |
2378 | static int |
2510 | static int |
2379 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
2511 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
2380 | { |
2512 | { |
2381 | SV *data = (SV *)frame->data; |
2513 | SV *data = (SV *)frame->data; |
2382 | |
2514 | |
2383 | if (CORO_THROW) |
2515 | if (CORO_THROW) |
2384 | return 0; |
2516 | return 0; |
2385 | |
2517 | |
2386 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2518 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2387 | return 1; |
2519 | return 1; |
… | |
… | |
2423 | cb = sv_2mortal (coro->rouse_cb); |
2555 | cb = sv_2mortal (coro->rouse_cb); |
2424 | coro->rouse_cb = 0; |
2556 | coro->rouse_cb = 0; |
2425 | } |
2557 | } |
2426 | |
2558 | |
2427 | if (!SvROK (cb) |
2559 | if (!SvROK (cb) |
2428 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2560 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2429 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2561 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2430 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2562 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2431 | |
2563 | |
2432 | { |
2564 | { |
2433 | CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ |
2565 | CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ |
… | |
… | |
2556 | |
2688 | |
2557 | /* "undo"/cancel a running slf call - used when cancelling a coro, mainly */ |
2689 | /* "undo"/cancel a running slf call - used when cancelling a coro, mainly */ |
2558 | static void |
2690 | static void |
2559 | slf_destroy (pTHX_ struct coro *coro) |
2691 | slf_destroy (pTHX_ struct coro *coro) |
2560 | { |
2692 | { |
2561 | /* this callback is reserved for slf functions needing to do cleanup */ |
2693 | struct CoroSLF frame = coro->slf_frame; |
2562 | if (coro->slf_frame.destroy && coro->slf_frame.prepare && !PL_dirty) |
|
|
2563 | coro->slf_frame.destroy (aTHX_ &coro->slf_frame); |
|
|
2564 | |
2694 | |
2565 | /* |
2695 | /* |
2566 | * The on_destroy above most likely is from an SLF call. |
2696 | * The on_destroy below most likely is from an SLF call. |
2567 | * Since by definition the SLF call will not finish when we destroy |
2697 | * Since by definition the SLF call will not finish when we destroy |
2568 | * the coro, we will have to force-finish it here, otherwise |
2698 | * the coro, we will have to force-finish it here, otherwise |
2569 | * cleanup functions cannot call SLF functions. |
2699 | * cleanup functions cannot call SLF functions. |
2570 | */ |
2700 | */ |
2571 | coro->slf_frame.prepare = 0; |
2701 | coro->slf_frame.prepare = 0; |
|
|
2702 | |
|
|
2703 | /* this callback is reserved for slf functions needing to do cleanup */ |
|
|
2704 | if (frame.destroy && frame.prepare && !PL_dirty) |
|
|
2705 | frame.destroy (aTHX_ &frame); |
2572 | } |
2706 | } |
2573 | |
2707 | |
2574 | /* |
2708 | /* |
2575 | * these not obviously related functions are all rolled into one |
2709 | * these not obviously related functions are all rolled into one |
2576 | * function to increase chances that they all will call transfer with the same |
2710 | * function to increase chances that they all will call transfer with the same |
… | |
… | |
2759 | static void |
2893 | static void |
2760 | coro_pop_on_leave (pTHX_ void *coro) |
2894 | coro_pop_on_leave (pTHX_ void *coro) |
2761 | { |
2895 | { |
2762 | SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_leave); |
2896 | SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_leave); |
2763 | on_enterleave_call (aTHX_ sv_2mortal (cb)); |
2897 | on_enterleave_call (aTHX_ sv_2mortal (cb)); |
|
|
2898 | } |
|
|
2899 | |
|
|
2900 | static void |
|
|
2901 | enterleave_hook_xs (pTHX_ struct coro *coro, AV **avp, coro_enterleave_hook hook, void *arg) |
|
|
2902 | { |
|
|
2903 | if (!hook) |
|
|
2904 | return; |
|
|
2905 | |
|
|
2906 | if (!*avp) |
|
|
2907 | { |
|
|
2908 | *avp = newAV (); |
|
|
2909 | AvREAL_off (*avp); |
|
|
2910 | } |
|
|
2911 | |
|
|
2912 | av_push (*avp, (SV *)hook); |
|
|
2913 | av_push (*avp, (SV *)arg); |
|
|
2914 | } |
|
|
2915 | |
|
|
2916 | static void |
|
|
2917 | enterleave_unhook_xs (pTHX_ struct coro *coro, AV **avp, coro_enterleave_hook hook, int execute) |
|
|
2918 | { |
|
|
2919 | AV *av = *avp; |
|
|
2920 | int i; |
|
|
2921 | |
|
|
2922 | if (!av) |
|
|
2923 | return; |
|
|
2924 | |
|
|
2925 | for (i = AvFILLp (av) - 1; i >= 0; i -= 2) |
|
|
2926 | if (AvARRAY (av)[i] == (SV *)hook) |
|
|
2927 | { |
|
|
2928 | if (execute) |
|
|
2929 | hook (aTHX_ (void *)AvARRAY (av)[i + 1]); |
|
|
2930 | |
|
|
2931 | memmove (AvARRAY (av) + i, AvARRAY (av) + i + 2, AvFILLp (av) - i - 1); |
|
|
2932 | av_pop (av); |
|
|
2933 | av_pop (av); |
|
|
2934 | break; |
|
|
2935 | } |
|
|
2936 | |
|
|
2937 | if (AvFILLp (av) >= 0) |
|
|
2938 | { |
|
|
2939 | *avp = 0; |
|
|
2940 | SvREFCNT_dec_NN (av); |
|
|
2941 | } |
|
|
2942 | } |
|
|
2943 | |
|
|
2944 | static void |
|
|
2945 | api_enterleave_hook (pTHX_ SV *coro_sv, coro_enterleave_hook enter, void *enter_arg, coro_enterleave_hook leave, void *leave_arg) |
|
|
2946 | { |
|
|
2947 | struct coro *coro = SvSTATE (coro_sv); |
|
|
2948 | |
|
|
2949 | if (SvSTATE_current == coro) |
|
|
2950 | if (enter) |
|
|
2951 | enter (aTHX_ enter_arg); |
|
|
2952 | |
|
|
2953 | enterleave_hook_xs (aTHX_ coro, &coro->on_enter_xs, enter, enter_arg); |
|
|
2954 | enterleave_hook_xs (aTHX_ coro, &coro->on_leave_xs, leave, leave_arg); |
|
|
2955 | } |
|
|
2956 | |
|
|
2957 | static void |
|
|
2958 | api_enterleave_unhook (pTHX_ SV *coro_sv, coro_enterleave_hook enter, coro_enterleave_hook leave) |
|
|
2959 | { |
|
|
2960 | struct coro *coro = SvSTATE (coro_sv); |
|
|
2961 | |
|
|
2962 | enterleave_unhook_xs (aTHX_ coro, &coro->on_enter_xs, enter, 0); |
|
|
2963 | enterleave_unhook_xs (aTHX_ coro, &coro->on_leave_xs, leave, SvSTATE_current == coro); |
|
|
2964 | } |
|
|
2965 | |
|
|
2966 | static void |
|
|
2967 | savedestructor_unhook_enter (pTHX_ coro_enterleave_hook enter) |
|
|
2968 | { |
|
|
2969 | struct coro *coro = SvSTATE_current; |
|
|
2970 | |
|
|
2971 | enterleave_unhook_xs (aTHX_ coro, &coro->on_enter_xs, enter, 0); |
|
|
2972 | } |
|
|
2973 | |
|
|
2974 | static void |
|
|
2975 | savedestructor_unhook_leave (pTHX_ coro_enterleave_hook leave) |
|
|
2976 | { |
|
|
2977 | struct coro *coro = SvSTATE_current; |
|
|
2978 | |
|
|
2979 | enterleave_unhook_xs (aTHX_ coro, &coro->on_leave_xs, leave, 1); |
|
|
2980 | } |
|
|
2981 | |
|
|
2982 | static void |
|
|
2983 | api_enterleave_scope_hook (pTHX_ coro_enterleave_hook enter, void *enter_arg, coro_enterleave_hook leave, void *leave_arg) |
|
|
2984 | { |
|
|
2985 | api_enterleave_hook (aTHX_ coro_current, enter, enter_arg, leave, leave_arg); |
|
|
2986 | |
|
|
2987 | /* this ought to be much cheaper than malloc + a single destructor call */ |
|
|
2988 | if (enter) SAVEDESTRUCTOR_X (savedestructor_unhook_enter, enter); |
|
|
2989 | if (leave) SAVEDESTRUCTOR_X (savedestructor_unhook_leave, leave); |
2764 | } |
2990 | } |
2765 | |
2991 | |
2766 | /*****************************************************************************/ |
2992 | /*****************************************************************************/ |
2767 | /* PerlIO::cede */ |
2993 | /* PerlIO::cede */ |
2768 | |
2994 | |
… | |
… | |
2898 | XPUSHs (sv_2mortal (newRV_inc ((SV *)av))); |
3124 | XPUSHs (sv_2mortal (newRV_inc ((SV *)av))); |
2899 | PUTBACK; |
3125 | PUTBACK; |
2900 | call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR); |
3126 | call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR); |
2901 | } |
3127 | } |
2902 | |
3128 | |
2903 | SvREFCNT_dec (cb); |
3129 | SvREFCNT_dec_NN (cb); |
2904 | } |
3130 | } |
2905 | } |
3131 | } |
2906 | |
3132 | |
2907 | static void |
3133 | static void |
2908 | coro_semaphore_destroy (pTHX_ struct CoroSLF *frame) |
3134 | coro_semaphore_destroy (pTHX_ struct CoroSLF *frame) |
… | |
… | |
2916 | { |
3142 | { |
2917 | AV *av = (AV *)frame->data; |
3143 | AV *av = (AV *)frame->data; |
2918 | SV *count_sv = AvARRAY (av)[0]; |
3144 | SV *count_sv = AvARRAY (av)[0]; |
2919 | SV *coro_hv = SvRV (coro_current); |
3145 | SV *coro_hv = SvRV (coro_current); |
2920 | |
3146 | |
|
|
3147 | frame->destroy = 0; |
|
|
3148 | |
2921 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
3149 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2922 | if (CORO_THROW) |
3150 | if (ecb_expect_false (CORO_THROW)) |
|
|
3151 | { |
|
|
3152 | /* we still might be responsible for the semaphore, so wake up others */ |
|
|
3153 | coro_semaphore_adjust (aTHX_ av, 0); |
|
|
3154 | |
2923 | return 0; |
3155 | return 0; |
|
|
3156 | } |
2924 | else if (SvIVX (count_sv) > 0) |
3157 | else if (SvIVX (count_sv) > 0) |
2925 | { |
3158 | { |
2926 | frame->destroy = 0; |
|
|
2927 | |
|
|
2928 | if (acquire) |
3159 | if (acquire) |
2929 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
3160 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2930 | else |
3161 | else |
2931 | coro_semaphore_adjust (aTHX_ av, 0); |
3162 | coro_semaphore_adjust (aTHX_ av, 0); |
2932 | |
3163 | |
… | |
… | |
2936 | { |
3167 | { |
2937 | int i; |
3168 | int i; |
2938 | /* if we were woken up but can't down, we look through the whole */ |
3169 | /* if we were woken up but can't down, we look through the whole */ |
2939 | /* waiters list and only add us if we aren't in there already */ |
3170 | /* waiters list and only add us if we aren't in there already */ |
2940 | /* this avoids some degenerate memory usage cases */ |
3171 | /* this avoids some degenerate memory usage cases */ |
2941 | for (i = AvFILLp (av); i > 0; --i) // i > 0 is not an off-by-one bug |
3172 | for (i = AvFILLp (av); i > 0; --i) /* i > 0 is not an off-by-one bug */ |
2942 | if (AvARRAY (av)[i] == coro_hv) |
3173 | if (AvARRAY (av)[i] == coro_hv) |
2943 | return 1; |
3174 | return 1; |
2944 | |
3175 | |
2945 | av_push (av, SvREFCNT_inc (coro_hv)); |
3176 | av_push (av, SvREFCNT_inc (coro_hv)); |
2946 | return 1; |
3177 | return 1; |
… | |
… | |
3043 | { |
3274 | { |
3044 | api_ready (aTHX_ cb); |
3275 | api_ready (aTHX_ cb); |
3045 | sv_setiv (cb, 0); /* signal waiter */ |
3276 | sv_setiv (cb, 0); /* signal waiter */ |
3046 | } |
3277 | } |
3047 | |
3278 | |
3048 | SvREFCNT_dec (cb); |
3279 | SvREFCNT_dec_NN (cb); |
3049 | |
3280 | |
3050 | --count; |
3281 | --count; |
3051 | } |
3282 | } |
3052 | } |
3283 | } |
3053 | |
3284 | |
… | |
… | |
3138 | } |
3369 | } |
3139 | |
3370 | |
3140 | av_push (state, data_sv); |
3371 | av_push (state, data_sv); |
3141 | |
3372 | |
3142 | api_ready (aTHX_ coro); |
3373 | api_ready (aTHX_ coro); |
3143 | SvREFCNT_dec (coro); |
3374 | SvREFCNT_dec_NN (coro); |
3144 | SvREFCNT_dec ((AV *)state); |
3375 | SvREFCNT_dec_NN ((AV *)state); |
3145 | } |
3376 | } |
3146 | |
3377 | |
3147 | static int |
3378 | static int |
3148 | slf_check_aio_req (pTHX_ struct CoroSLF *frame) |
3379 | slf_check_aio_req (pTHX_ struct CoroSLF *frame) |
3149 | { |
3380 | { |
… | |
… | |
3154 | /* it quickly returns */ |
3385 | /* it quickly returns */ |
3155 | if (CORO_THROW) |
3386 | if (CORO_THROW) |
3156 | return 0; |
3387 | return 0; |
3157 | |
3388 | |
3158 | /* one element that is an RV? repeat! */ |
3389 | /* one element that is an RV? repeat! */ |
3159 | if (AvFILLp (state) == 0 && SvROK (AvARRAY (state)[0])) |
3390 | if (AvFILLp (state) == 0 && SvTYPE (AvARRAY (state)[0]) != SVt_PV) |
3160 | return 1; |
3391 | return 1; |
3161 | |
3392 | |
3162 | /* restore status */ |
3393 | /* restore status */ |
3163 | { |
3394 | { |
3164 | SV *data_sv = av_pop (state); |
3395 | SV *data_sv = av_pop (state); |
… | |
… | |
3167 | errno = data->errorno; |
3398 | errno = data->errorno; |
3168 | PL_laststype = data->laststype; |
3399 | PL_laststype = data->laststype; |
3169 | PL_laststatval = data->laststatval; |
3400 | PL_laststatval = data->laststatval; |
3170 | PL_statcache = data->statcache; |
3401 | PL_statcache = data->statcache; |
3171 | |
3402 | |
3172 | SvREFCNT_dec (data_sv); |
3403 | SvREFCNT_dec_NN (data_sv); |
3173 | } |
3404 | } |
3174 | |
3405 | |
3175 | /* push result values */ |
3406 | /* push result values */ |
3176 | { |
3407 | { |
3177 | dSP; |
3408 | dSP; |
… | |
… | |
3323 | |
3554 | |
3324 | #ifndef __cplusplus |
3555 | #ifndef __cplusplus |
3325 | ecb_cold XS(boot_Coro__State); |
3556 | ecb_cold XS(boot_Coro__State); |
3326 | #endif |
3557 | #endif |
3327 | |
3558 | |
|
|
3559 | #if CORO_JIT |
|
|
3560 | |
|
|
3561 | static void ecb_noinline ecb_cold |
|
|
3562 | pushav_4uv (pTHX_ UV a, UV b, UV c, UV d) |
|
|
3563 | { |
|
|
3564 | dSP; |
|
|
3565 | AV *av = newAV (); |
|
|
3566 | |
|
|
3567 | av_store (av, 3, newSVuv (d)); |
|
|
3568 | av_store (av, 2, newSVuv (c)); |
|
|
3569 | av_store (av, 1, newSVuv (b)); |
|
|
3570 | av_store (av, 0, newSVuv (a)); |
|
|
3571 | |
|
|
3572 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
3573 | |
|
|
3574 | PUTBACK; |
|
|
3575 | } |
|
|
3576 | |
|
|
3577 | static void ecb_noinline ecb_cold |
|
|
3578 | jit_init (pTHX) |
|
|
3579 | { |
|
|
3580 | dSP; |
|
|
3581 | SV *load, *save; |
|
|
3582 | char *map_base; |
|
|
3583 | char *load_ptr, *save_ptr; |
|
|
3584 | STRLEN load_len, save_len, map_len; |
|
|
3585 | int count; |
|
|
3586 | |
|
|
3587 | eval_pv ("require 'Coro/jit-" CORO_JIT_TYPE ".pl'", 1); |
|
|
3588 | |
|
|
3589 | PUSHMARK (SP); |
|
|
3590 | #define VARx(name,expr,type) pushav_4uv (aTHX_ (UV)&(expr), sizeof (expr), offsetof (perl_slots, name), sizeof (type)); |
|
|
3591 | #include "state.h" |
|
|
3592 | count = call_pv ("Coro::State::_jit", G_ARRAY); |
|
|
3593 | SPAGAIN; |
|
|
3594 | |
|
|
3595 | save = POPs; save_ptr = SvPVbyte (save, save_len); |
|
|
3596 | load = POPs; load_ptr = SvPVbyte (load, load_len); |
|
|
3597 | |
|
|
3598 | map_len = load_len + save_len + 16; |
|
|
3599 | |
|
|
3600 | map_base = mmap (0, map_len, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); |
|
|
3601 | |
|
|
3602 | if (map_base == (char *)MAP_FAILED) |
|
|
3603 | map_base = mmap (0, map_len, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); |
|
|
3604 | |
|
|
3605 | assert (("Coro: unable to mmap jit code page, cannot continue.", map_base != (char *)MAP_FAILED)); |
|
|
3606 | |
|
|
3607 | load_perl_slots = (load_save_perl_slots_type)map_base; |
|
|
3608 | memcpy (map_base, load_ptr, load_len); |
|
|
3609 | |
|
|
3610 | map_base += (load_len + 15) & ~15; |
|
|
3611 | |
|
|
3612 | save_perl_slots = (load_save_perl_slots_type)map_base; |
|
|
3613 | memcpy (map_base, save_ptr, save_len); |
|
|
3614 | |
|
|
3615 | /* we are good citizens and try to make the page read-only, so the evil evil */ |
|
|
3616 | /* hackers might have it a bit more difficult */ |
|
|
3617 | mprotect (map_base, map_len, PROT_READ | PROT_EXEC); |
|
|
3618 | |
|
|
3619 | PUTBACK; |
|
|
3620 | eval_pv ("undef &Coro::State::_jit", 1); |
|
|
3621 | } |
|
|
3622 | |
|
|
3623 | #endif |
|
|
3624 | |
3328 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
3625 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
3329 | |
3626 | |
3330 | PROTOTYPES: DISABLE |
3627 | PROTOTYPES: DISABLE |
3331 | |
3628 | |
3332 | BOOT: |
3629 | BOOT: |
3333 | { |
3630 | { |
|
|
3631 | #define VARx(name,expr,type) if (sizeof (type) < sizeof (expr)) croak ("FATAL: Coro thread context slot '" # name "' too small for this version of perl."); |
|
|
3632 | #include "state.h" |
3334 | #ifdef USE_ITHREADS |
3633 | #ifdef USE_ITHREADS |
3335 | # if CORO_PTHREAD |
3634 | # if CORO_PTHREAD |
3336 | coro_thx = PERL_GET_CONTEXT; |
3635 | coro_thx = PERL_GET_CONTEXT; |
3337 | # endif |
3636 | # endif |
3338 | #endif |
3637 | #endif |
3339 | BOOT_PAGESIZE; |
3638 | /* perl defines these to check for existance first, but why it doesn't */ |
|
|
3639 | /* just create them one at init time is not clear to me, except for */ |
|
|
3640 | /* programs trying to delete them, but... */ |
|
|
3641 | /* anyway, we declare this as invalid and make sure they are initialised here */ |
|
|
3642 | DEFSV; |
|
|
3643 | ERRSV; |
3340 | |
3644 | |
3341 | cctx_current = cctx_new_empty (); |
3645 | cctx_current = cctx_new_empty (); |
3342 | |
3646 | |
3343 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3647 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3344 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3648 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3345 | |
3649 | |
3346 | orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get; |
3650 | { |
3347 | orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set; |
3651 | /* |
3348 | orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr; |
3652 | * we provide a vtbvl for %SIG magic that replaces PL_vtbl_sig |
|
|
3653 | * by coro_sig_vtbl in hash values. |
|
|
3654 | */ |
|
|
3655 | MAGIC *mg = mg_find ((SV *)GvHV (gv_fetchpv ("SIG", GV_ADD | GV_NOTQUAL, SVt_PVHV)), PERL_MAGIC_sig); |
|
|
3656 | |
|
|
3657 | /* this only works if perl doesn't have a vtbl for %SIG */ |
|
|
3658 | assert (!mg->mg_virtual); |
|
|
3659 | |
|
|
3660 | /* |
|
|
3661 | * The irony is that the perl API itself asserts that mg_virtual |
|
|
3662 | * must be non-const, yet perl5porters insisted on marking their |
|
|
3663 | * vtbls as read-only, just to thwart perl modules from patching |
|
|
3664 | * them. |
|
|
3665 | */ |
|
|
3666 | mg->mg_virtual = (MGVTBL *)&coro_sig_vtbl; |
|
|
3667 | mg->mg_flags |= MGf_COPY; |
|
|
3668 | |
|
|
3669 | coro_sigelem_vtbl = PL_vtbl_sigelem; |
|
|
3670 | coro_sigelem_vtbl.svt_get = coro_sigelem_get; |
|
|
3671 | coro_sigelem_vtbl.svt_set = coro_sigelem_set; |
|
|
3672 | coro_sigelem_vtbl.svt_clear = coro_sigelem_clr; |
|
|
3673 | } |
3349 | |
3674 | |
3350 | hv_sig = coro_get_hv (aTHX_ "SIG", TRUE); |
|
|
3351 | rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV)); |
3675 | rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV)); |
3352 | rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV)); |
3676 | rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV)); |
3353 | |
3677 | |
3354 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
3678 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
3355 | |
3679 | |
… | |
… | |
3387 | coroapi.prepare_cede_notself = prepare_cede_notself; |
3711 | coroapi.prepare_cede_notself = prepare_cede_notself; |
3388 | |
3712 | |
3389 | time_init (aTHX); |
3713 | time_init (aTHX); |
3390 | |
3714 | |
3391 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
3715 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
|
|
3716 | #if CORO_JIT |
|
|
3717 | PUTBACK; |
|
|
3718 | jit_init (aTHX); |
|
|
3719 | SPAGAIN; |
|
|
3720 | #endif |
3392 | } |
3721 | } |
3393 | |
3722 | |
3394 | SV * |
3723 | SV * |
3395 | new (SV *klass, ...) |
3724 | new (SV *klass, ...) |
3396 | ALIAS: |
3725 | ALIAS: |
… | |
… | |
3403 | void |
3732 | void |
3404 | transfer (...) |
3733 | transfer (...) |
3405 | PROTOTYPE: $$ |
3734 | PROTOTYPE: $$ |
3406 | CODE: |
3735 | CODE: |
3407 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3736 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3408 | |
|
|
3409 | void |
|
|
3410 | _exit (int code) |
|
|
3411 | PROTOTYPE: $ |
|
|
3412 | CODE: |
|
|
3413 | _exit (code); |
|
|
3414 | |
3737 | |
3415 | SV * |
3738 | SV * |
3416 | clone (Coro::State coro) |
3739 | clone (Coro::State coro) |
3417 | CODE: |
3740 | CODE: |
3418 | { |
3741 | { |
… | |
… | |
3473 | void |
3796 | void |
3474 | list () |
3797 | list () |
3475 | PROTOTYPE: |
3798 | PROTOTYPE: |
3476 | PPCODE: |
3799 | PPCODE: |
3477 | { |
3800 | { |
3478 | struct coro *coro; |
3801 | struct coro *coro; |
3479 | for (coro = coro_first; coro; coro = coro->next) |
3802 | for (coro = coro_first; coro; coro = coro->next) |
3480 | if (coro->hv) |
3803 | if (coro->hv) |
3481 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
3804 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
3482 | } |
3805 | } |
3483 | |
3806 | |
… | |
… | |
3547 | RETVAL = boolSV (coro->flags & ix); |
3870 | RETVAL = boolSV (coro->flags & ix); |
3548 | OUTPUT: |
3871 | OUTPUT: |
3549 | RETVAL |
3872 | RETVAL |
3550 | |
3873 | |
3551 | void |
3874 | void |
3552 | throw (Coro::State self, SV *exception = &PL_sv_undef) |
3875 | throw (SV *self, SV *exception = &PL_sv_undef) |
3553 | PROTOTYPE: $;$ |
3876 | PROTOTYPE: $;$ |
3554 | CODE: |
3877 | CODE: |
3555 | { |
3878 | { |
|
|
3879 | struct coro *coro = SvSTATE (self); |
3556 | struct coro *current = SvSTATE_current; |
3880 | struct coro *current = SvSTATE_current; |
3557 | SV **exceptionp = self == current ? &CORO_THROW : &self->except; |
3881 | SV **exceptionp = coro == current ? &CORO_THROW : &coro->except; |
3558 | SvREFCNT_dec (*exceptionp); |
3882 | SvREFCNT_dec (*exceptionp); |
3559 | SvGETMAGIC (exception); |
3883 | SvGETMAGIC (exception); |
3560 | *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; |
3884 | *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; |
|
|
3885 | |
|
|
3886 | api_ready (aTHX_ self); |
3561 | } |
3887 | } |
3562 | |
3888 | |
3563 | void |
3889 | void |
3564 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3890 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3565 | PROTOTYPE: $;$ |
3891 | PROTOTYPE: $;$ |
… | |
… | |
3642 | |
3968 | |
3643 | void |
3969 | void |
3644 | times (Coro::State self) |
3970 | times (Coro::State self) |
3645 | PPCODE: |
3971 | PPCODE: |
3646 | { |
3972 | { |
3647 | struct coro *current = SvSTATE (coro_current); |
3973 | struct coro *current = SvSTATE (coro_current); |
3648 | |
3974 | |
3649 | if (ecb_expect_false (current == self)) |
3975 | if (ecb_expect_false (current == self)) |
3650 | { |
3976 | { |
3651 | coro_times_update (); |
3977 | coro_times_update (); |
3652 | coro_times_add (SvSTATE (coro_current)); |
3978 | coro_times_add (SvSTATE (coro_current)); |
… | |
… | |
3659 | if (ecb_expect_false (current == self)) |
3985 | if (ecb_expect_false (current == self)) |
3660 | coro_times_sub (SvSTATE (coro_current)); |
3986 | coro_times_sub (SvSTATE (coro_current)); |
3661 | } |
3987 | } |
3662 | |
3988 | |
3663 | void |
3989 | void |
3664 | swap_sv (Coro::State coro, SV *sv, SV *swapsv) |
3990 | swap_sv (Coro::State coro, SV *sva, SV *svb) |
3665 | CODE: |
3991 | CODE: |
3666 | { |
3992 | { |
3667 | struct coro *current = SvSTATE_current; |
3993 | struct coro *current = SvSTATE_current; |
|
|
3994 | AV *swap_sv; |
|
|
3995 | int i; |
|
|
3996 | |
|
|
3997 | sva = SvRV (sva); |
|
|
3998 | svb = SvRV (svb); |
3668 | |
3999 | |
3669 | if (current == coro) |
4000 | if (current == coro) |
3670 | SWAP_SVS (current); |
4001 | SWAP_SVS_LEAVE (current); |
3671 | |
4002 | |
3672 | if (!coro->swap_sv) |
4003 | if (!coro->swap_sv) |
3673 | coro->swap_sv = newAV (); |
4004 | coro->swap_sv = newAV (); |
3674 | |
4005 | |
|
|
4006 | swap_sv = coro->swap_sv; |
|
|
4007 | |
|
|
4008 | for (i = AvFILLp (swap_sv) - 1; i >= 0; i -= 2) |
|
|
4009 | { |
|
|
4010 | SV *a = AvARRAY (swap_sv)[i ]; |
|
|
4011 | SV *b = AvARRAY (swap_sv)[i + 1]; |
|
|
4012 | |
|
|
4013 | if (a == sva && b == svb) |
|
|
4014 | { |
|
|
4015 | SvREFCNT_dec_NN (a); |
|
|
4016 | SvREFCNT_dec_NN (b); |
|
|
4017 | |
|
|
4018 | for (; i <= AvFILLp (swap_sv) - 2; i++) |
|
|
4019 | AvARRAY (swap_sv)[i] = AvARRAY (swap_sv)[i + 2]; |
|
|
4020 | |
|
|
4021 | AvFILLp (swap_sv) -= 2; |
|
|
4022 | |
|
|
4023 | goto removed; |
|
|
4024 | } |
|
|
4025 | } |
|
|
4026 | |
3675 | av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (sv ))); |
4027 | av_push (swap_sv, SvREFCNT_inc_NN (sva)); |
3676 | av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (swapsv))); |
4028 | av_push (swap_sv, SvREFCNT_inc_NN (svb)); |
|
|
4029 | |
|
|
4030 | removed: |
3677 | |
4031 | |
3678 | if (current == coro) |
4032 | if (current == coro) |
3679 | SWAP_SVS (current); |
4033 | SWAP_SVS_ENTER (current); |
3680 | } |
4034 | } |
3681 | |
4035 | |
3682 | |
4036 | |
3683 | MODULE = Coro::State PACKAGE = Coro |
4037 | MODULE = Coro::State PACKAGE = Coro |
3684 | |
4038 | |
3685 | BOOT: |
4039 | BOOT: |
3686 | { |
4040 | { |
|
|
4041 | if (SVt_LAST > 32) |
|
|
4042 | croak ("Coro internal error: SVt_LAST > 32, swap_sv might need adjustment"); |
|
|
4043 | |
3687 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
4044 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3688 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
4045 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3689 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
4046 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
3690 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
4047 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
3691 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
4048 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
… | |
… | |
3695 | |
4052 | |
3696 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
4053 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3697 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
4054 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
3698 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
4055 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
3699 | CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */ |
4056 | CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */ |
3700 | |
4057 | |
3701 | coro_stash = gv_stashpv ("Coro", TRUE); |
4058 | coro_stash = gv_stashpv ("Coro", TRUE); |
3702 | |
4059 | |
3703 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
4060 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
3704 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
4061 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
3705 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL)); |
4062 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL)); |
… | |
… | |
3717 | coroapi.ready = api_ready; |
4074 | coroapi.ready = api_ready; |
3718 | coroapi.is_ready = api_is_ready; |
4075 | coroapi.is_ready = api_is_ready; |
3719 | coroapi.nready = coro_nready; |
4076 | coroapi.nready = coro_nready; |
3720 | coroapi.current = coro_current; |
4077 | coroapi.current = coro_current; |
3721 | |
4078 | |
|
|
4079 | coroapi.enterleave_hook = api_enterleave_hook; |
|
|
4080 | coroapi.enterleave_unhook = api_enterleave_unhook; |
|
|
4081 | coroapi.enterleave_scope_hook = api_enterleave_scope_hook; |
|
|
4082 | |
3722 | /*GCoroAPI = &coroapi;*/ |
4083 | /*GCoroAPI = &coroapi;*/ |
3723 | sv_setiv (sv, (IV)&coroapi); |
4084 | sv_setiv (sv, PTR2IV (&coroapi)); |
3724 | SvREADONLY_on (sv); |
4085 | SvREADONLY_on (sv); |
3725 | } |
4086 | } |
3726 | } |
4087 | } |
3727 | |
4088 | |
3728 | SV * |
4089 | SV * |
… | |
… | |
3791 | |
4152 | |
3792 | void |
4153 | void |
3793 | _set_current (SV *current) |
4154 | _set_current (SV *current) |
3794 | PROTOTYPE: $ |
4155 | PROTOTYPE: $ |
3795 | CODE: |
4156 | CODE: |
3796 | SvREFCNT_dec (SvRV (coro_current)); |
4157 | SvREFCNT_dec_NN (SvRV (coro_current)); |
3797 | SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current))); |
4158 | SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current))); |
3798 | |
4159 | |
3799 | void |
4160 | void |
3800 | _set_readyhook (SV *hook) |
4161 | _set_readyhook (SV *hook) |
3801 | PROTOTYPE: $ |
4162 | PROTOTYPE: $ |
… | |
… | |
3885 | |
4246 | |
3886 | if ((SV *)hv == &PL_sv_undef) |
4247 | if ((SV *)hv == &PL_sv_undef) |
3887 | { |
4248 | { |
3888 | SV *sv = coro_new (aTHX_ coro_stash, (SV **)&cv_pool_handler, 1, 1); |
4249 | SV *sv = coro_new (aTHX_ coro_stash, (SV **)&cv_pool_handler, 1, 1); |
3889 | hv = (HV *)SvREFCNT_inc_NN (SvRV (sv)); |
4250 | hv = (HV *)SvREFCNT_inc_NN (SvRV (sv)); |
3890 | SvREFCNT_dec (sv); |
4251 | SvREFCNT_dec_NN (sv); |
3891 | } |
4252 | } |
3892 | |
4253 | |
3893 | { |
4254 | { |
3894 | struct coro *coro = SvSTATE_hv (hv); |
4255 | struct coro *coro = SvSTATE_hv (hv); |
3895 | |
4256 | |
… | |
… | |
3902 | api_ready (aTHX_ (SV *)hv); |
4263 | api_ready (aTHX_ (SV *)hv); |
3903 | |
4264 | |
3904 | if (GIMME_V != G_VOID) |
4265 | if (GIMME_V != G_VOID) |
3905 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv))); |
4266 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv))); |
3906 | else |
4267 | else |
3907 | SvREFCNT_dec (hv); |
4268 | SvREFCNT_dec_NN (hv); |
3908 | } |
4269 | } |
3909 | |
4270 | |
3910 | SV * |
4271 | SV * |
3911 | rouse_cb () |
4272 | rouse_cb () |
3912 | PROTOTYPE: |
4273 | PROTOTYPE: |
… | |
… | |
3927 | on_leave = 1 |
4288 | on_leave = 1 |
3928 | PROTOTYPE: & |
4289 | PROTOTYPE: & |
3929 | CODE: |
4290 | CODE: |
3930 | { |
4291 | { |
3931 | struct coro *coro = SvSTATE_current; |
4292 | struct coro *coro = SvSTATE_current; |
3932 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
4293 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
3933 | |
4294 | |
3934 | block = s_get_cv_croak (block); |
4295 | block = s_get_cv_croak (block); |
3935 | |
4296 | |
3936 | if (!*avp) |
4297 | if (!*avp) |
3937 | *avp = newAV (); |
4298 | *avp = newAV (); |
… | |
… | |
3957 | |
4318 | |
3958 | SV * |
4319 | SV * |
3959 | new (SV *klass, SV *count = 0) |
4320 | new (SV *klass, SV *count = 0) |
3960 | CODE: |
4321 | CODE: |
3961 | { |
4322 | { |
3962 | int semcnt = 1; |
4323 | int semcnt = 1; |
3963 | |
4324 | |
3964 | if (count) |
4325 | if (count) |
3965 | { |
4326 | { |
3966 | SvGETMAGIC (count); |
4327 | SvGETMAGIC (count); |
3967 | |
4328 | |
… | |
… | |
3991 | RETVAL = newSVsv (AvARRAY ((AV *)SvRV (self))[0]); |
4352 | RETVAL = newSVsv (AvARRAY ((AV *)SvRV (self))[0]); |
3992 | OUTPUT: |
4353 | OUTPUT: |
3993 | RETVAL |
4354 | RETVAL |
3994 | |
4355 | |
3995 | void |
4356 | void |
3996 | up (SV *self, int adjust = 1) |
4357 | up (SV *self) |
3997 | ALIAS: |
|
|
3998 | adjust = 1 |
|
|
3999 | CODE: |
4358 | CODE: |
|
|
4359 | coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), 1); |
|
|
4360 | |
|
|
4361 | void |
|
|
4362 | adjust (SV *self, int adjust) |
|
|
4363 | CODE: |
4000 | coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), ix ? adjust : 1); |
4364 | coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), adjust); |
4001 | |
4365 | |
4002 | void |
4366 | void |
4003 | down (...) |
4367 | down (...) |
4004 | CODE: |
4368 | CODE: |
4005 | CORO_EXECUTE_SLF_XS (slf_init_semaphore_down); |
4369 | CORO_EXECUTE_SLF_XS (slf_init_semaphore_down); |
… | |
… | |
4027 | XSRETURN_NO; |
4391 | XSRETURN_NO; |
4028 | } |
4392 | } |
4029 | |
4393 | |
4030 | void |
4394 | void |
4031 | waiters (SV *self) |
4395 | waiters (SV *self) |
4032 | PPCODE: |
4396 | PPCODE: |
4033 | { |
4397 | { |
4034 | AV *av = (AV *)SvRV (self); |
4398 | AV *av = (AV *)SvRV (self); |
4035 | int wcount = AvFILLp (av) + 1 - 1; |
4399 | int wcount = AvFILLp (av) + 1 - 1; |
4036 | |
4400 | |
4037 | if (GIMME_V == G_SCALAR) |
4401 | if (GIMME_V == G_SCALAR) |
… | |
… | |
4046 | } |
4410 | } |
4047 | |
4411 | |
4048 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
4412 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
4049 | |
4413 | |
4050 | void |
4414 | void |
4051 | _may_delete (SV *sem, int count, int extra_refs) |
4415 | _may_delete (SV *sem, int count, unsigned int extra_refs) |
4052 | PPCODE: |
4416 | PPCODE: |
4053 | { |
4417 | { |
4054 | AV *av = (AV *)SvRV (sem); |
4418 | AV *av = (AV *)SvRV (sem); |
4055 | |
4419 | |
4056 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
4420 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
4057 | && AvFILLp (av) == 0 /* no waiters, just count */ |
4421 | && AvFILLp (av) == 0 /* no waiters, just count */ |
4058 | && SvIV (AvARRAY (av)[0]) == count) |
4422 | && SvIV (AvARRAY (av)[0]) == count) |
4059 | XSRETURN_YES; |
4423 | XSRETURN_YES; |
… | |
… | |
4080 | |
4444 | |
4081 | void |
4445 | void |
4082 | broadcast (SV *self) |
4446 | broadcast (SV *self) |
4083 | CODE: |
4447 | CODE: |
4084 | { |
4448 | { |
4085 | AV *av = (AV *)SvRV (self); |
4449 | AV *av = (AV *)SvRV (self); |
4086 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
4450 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
4087 | } |
4451 | } |
4088 | |
4452 | |
4089 | void |
4453 | void |
4090 | send (SV *self) |
4454 | send (SV *self) |
… | |
… | |
4098 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
4462 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
4099 | } |
4463 | } |
4100 | |
4464 | |
4101 | IV |
4465 | IV |
4102 | awaited (SV *self) |
4466 | awaited (SV *self) |
4103 | CODE: |
4467 | CODE: |
4104 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
4468 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
4105 | OUTPUT: |
4469 | OUTPUT: |
4106 | RETVAL |
4470 | RETVAL |
4107 | |
4471 | |
4108 | |
4472 | |
… | |
… | |
4113 | |
4477 | |
4114 | void |
4478 | void |
4115 | _schedule (...) |
4479 | _schedule (...) |
4116 | CODE: |
4480 | CODE: |
4117 | { |
4481 | { |
4118 | static int incede; |
4482 | static int incede; |
4119 | |
4483 | |
4120 | api_cede_notself (aTHX); |
4484 | api_cede_notself (aTHX); |
4121 | |
4485 | |
4122 | ++incede; |
4486 | ++incede; |
4123 | while (coro_nready >= incede && api_cede (aTHX)) |
4487 | while (coro_nready >= incede && api_cede (aTHX)) |
… | |
… | |
4167 | { |
4531 | { |
4168 | PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; |
4532 | PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; |
4169 | coro_old_pp_sselect = 0; |
4533 | coro_old_pp_sselect = 0; |
4170 | } |
4534 | } |
4171 | |
4535 | |
|
|
4536 | MODULE = Coro::State PACKAGE = Coro::Util |
|
|
4537 | |
|
|
4538 | void |
|
|
4539 | _exit (int code) |
|
|
4540 | CODE: |
|
|
4541 | _exit (code); |
|
|
4542 | |
|
|
4543 | NV |
|
|
4544 | time () |
|
|
4545 | CODE: |
|
|
4546 | RETVAL = nvtime (aTHX); |
|
|
4547 | OUTPUT: |
|
|
4548 | RETVAL |
|
|
4549 | |
|
|
4550 | NV |
|
|
4551 | gettimeofday () |
|
|
4552 | PPCODE: |
|
|
4553 | { |
|
|
4554 | UV tv [2]; |
|
|
4555 | u2time (aTHX_ tv); |
|
|
4556 | EXTEND (SP, 2); |
|
|
4557 | PUSHs (sv_2mortal (newSVuv (tv [0]))); |
|
|
4558 | PUSHs (sv_2mortal (newSVuv (tv [1]))); |
|
|
4559 | } |
|
|
4560 | |