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 | |
24 | #ifndef SVs_PADSTALE |
27 | #ifndef SVs_PADSTALE |
25 | # define SVs_PADSTALE 0 |
28 | # define SVs_PADSTALE 0 |
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29 | #endif |
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30 | |
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31 | #ifdef PadARRAY |
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32 | # define NEWPADAPI 1 |
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33 | # define newPADLIST(var) (Newz (0, var, 1, PADLIST), Newx (PadlistARRAY (var), 2, PAD *)) |
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34 | #else |
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35 | typedef AV PADNAMELIST; |
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36 | # if !PERL_VERSION_ATLEAST(5,8,0) |
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37 | typedef AV PADLIST; |
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38 | typedef AV PAD; |
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39 | # endif |
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40 | # define PadlistARRAY(pl) ((PAD **)AvARRAY (pl)) |
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41 | # define PadlistMAX(pl) AvFILLp (pl) |
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42 | # define PadlistNAMES(pl) (*PadlistARRAY (pl)) |
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43 | # define PadARRAY AvARRAY |
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44 | # define PadMAX AvFILLp |
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45 | # define newPADLIST(var) ((var) = newAV (), av_extend (var, 1)) |
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46 | #endif |
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47 | |
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48 | /* 5.19.something has replaced SVt_BIND by SVt_INVLIST */ |
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49 | /* we just alias it to SVt_IV, as that is sufficient for swap_sv for now */ |
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50 | #if PERL_VERSION_ATLEAST(5,19,0) |
|
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51 | # define SVt_BIND SVt_IV |
26 | #endif |
52 | #endif |
27 | |
53 | |
28 | #if defined(_WIN32) |
54 | #if defined(_WIN32) |
29 | # undef HAS_GETTIMEOFDAY |
55 | # undef HAS_GETTIMEOFDAY |
30 | # undef setjmp |
56 | # undef setjmp |
… | |
… | |
33 | # define setjmp _setjmp /* deep magic */ |
59 | # define setjmp _setjmp /* deep magic */ |
34 | #else |
60 | #else |
35 | # include <inttypes.h> /* most portable stdint.h */ |
61 | # include <inttypes.h> /* most portable stdint.h */ |
36 | #endif |
62 | #endif |
37 | |
63 | |
38 | #if 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 */ |
64 | /* the maximum number of idle cctx that will be pooled */ |
66 | static int cctx_max_idle = 4; |
65 | static int cctx_max_idle = 4; |
67 | |
66 | |
68 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
67 | #if defined(DEBUGGING) && PERL_VERSION_ATLEAST(5,12,0) |
69 | # undef CORO_STACKGUARD |
68 | # 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 |
69 | #endif |
75 | |
70 | |
76 | /* prefer perl internal functions over our own? */ |
71 | /* prefer perl internal functions over our own? */ |
77 | #ifndef CORO_PREFER_PERL_FUNCTIONS |
72 | #ifndef CORO_PREFER_PERL_FUNCTIONS |
78 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
73 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
… | |
… | |
97 | # if CORO_PTHREAD |
92 | # if CORO_PTHREAD |
98 | static void *coro_thx; |
93 | static void *coro_thx; |
99 | # endif |
94 | # endif |
100 | #endif |
95 | #endif |
101 | |
96 | |
102 | /* used in state.h */ |
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103 | #define VAR(name,type) VARx(name, PL_ ## name, type) |
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104 | |
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105 | #ifdef __linux |
97 | #ifdef __linux |
106 | # include <time.h> /* for timespec */ |
98 | # include <time.h> /* for timespec */ |
107 | # include <syscall.h> /* for SYS_* */ |
99 | # include <syscall.h> /* for SYS_* */ |
108 | # ifdef SYS_clock_gettime |
100 | # ifdef SYS_clock_gettime |
109 | # define coro_clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
101 | # define coro_clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
… | |
… | |
172 | typedef struct coro_cctx |
164 | typedef struct coro_cctx |
173 | { |
165 | { |
174 | struct coro_cctx *next; |
166 | struct coro_cctx *next; |
175 | |
167 | |
176 | /* the stack */ |
168 | /* the stack */ |
177 | void *sptr; |
169 | struct coro_stack stack; |
178 | size_t ssize; |
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|
179 | |
170 | |
180 | /* cpu state */ |
171 | /* cpu state */ |
181 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
172 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
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173 | #ifndef NDEBUG |
182 | JMPENV *idle_te; /* same as idle_sp, but for top_env, TODO: remove once stable */ |
174 | JMPENV *idle_te; /* same as idle_sp, but for top_env */ |
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175 | #endif |
183 | JMPENV *top_env; |
176 | JMPENV *top_env; |
184 | coro_context cctx; |
177 | coro_context cctx; |
185 | |
178 | |
186 | U32 gen; |
179 | U32 gen; |
187 | #if CORO_USE_VALGRIND |
180 | #if CORO_USE_VALGRIND |
… | |
… | |
207 | }; |
200 | }; |
208 | |
201 | |
209 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
202 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
210 | typedef struct |
203 | typedef struct |
211 | { |
204 | { |
212 | #define VARx(name,expr,type) type name; |
205 | #define VARx(name,expr,type) type name; |
213 | # include "state.h" |
206 | #include "state.h" |
214 | #undef VARx |
|
|
215 | } perl_slots; |
207 | } perl_slots; |
216 | |
208 | |
217 | /* how many context stack entries do we need for perl_slots */ |
209 | /* how many context stack entries do we need for perl_slots */ |
218 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
210 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
219 | |
211 | |
… | |
… | |
291 | #define coro_nready coroapi.nready |
283 | #define coro_nready coroapi.nready |
292 | |
284 | |
293 | /** JIT *********************************************************************/ |
285 | /** JIT *********************************************************************/ |
294 | |
286 | |
295 | #if CORO_JIT |
287 | #if CORO_JIT |
296 | /* APPLE doesn't have HAVE_MMAP though */ |
288 | /* APPLE doesn't have mmap though */ |
297 | #define CORO_JIT_UNIXY (__linux || __FreeBSD__ || __OpenBSD__ || __NetBSD__ || __solaris || __APPLE__) |
289 | #define CORO_JIT_UNIXY (__linux || __FreeBSD__ || __OpenBSD__ || __NetBSD__ || __solaris || __APPLE__) |
298 | #ifndef CORO_JIT_TYPE |
290 | #ifndef CORO_JIT_TYPE |
299 | #if __x86_64 && CORO_JIT_UNIXY |
291 | #if ECB_AMD64 && CORO_JIT_UNIXY |
300 | #define CORO_JIT_TYPE "amd64-unix" |
292 | #define CORO_JIT_TYPE "amd64-unix" |
301 | #elif __i386 && CORO_JIT_UNIXY |
293 | #elif __i386 && CORO_JIT_UNIXY |
302 | #define CORO_JIT_TYPE "x86-unix" |
294 | #define CORO_JIT_TYPE "x86-unix" |
303 | #endif |
295 | #endif |
304 | #endif |
296 | #endif |
305 | #endif |
297 | #endif |
306 | |
298 | |
307 | #if !defined(CORO_JIT_TYPE) || !HAVE_MMAP |
299 | #if !defined(CORO_JIT_TYPE) || _POSIX_MEMORY_PROTECTION <= 0 |
308 | #undef CORO_JIT |
300 | #undef CORO_JIT |
309 | #endif |
301 | #endif |
310 | |
302 | |
311 | #if CORO_JIT |
303 | #if CORO_JIT |
312 | typedef void (*load_save_perl_slots_type)(perl_slots *); |
304 | typedef void (*load_save_perl_slots_type)(perl_slots *); |
… | |
… | |
369 | time_init (pTHX) |
361 | time_init (pTHX) |
370 | { |
362 | { |
371 | SV **svp; |
363 | SV **svp; |
372 | |
364 | |
373 | require_pv ("Time/HiRes.pm"); |
365 | require_pv ("Time/HiRes.pm"); |
374 | |
366 | |
375 | svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
367 | svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
376 | |
368 | |
377 | if (!svp) croak ("Time::HiRes is required, but missing. Caught"); |
369 | if (!svp) croak ("Time::HiRes is required, but missing. Caught"); |
378 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer. Caught"); |
370 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer. Caught"); |
379 | |
371 | |
… | |
… | |
520 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
512 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
521 | |
513 | |
522 | /*****************************************************************************/ |
514 | /*****************************************************************************/ |
523 | /* padlist management and caching */ |
515 | /* padlist management and caching */ |
524 | |
516 | |
525 | ecb_inline AV * |
517 | ecb_inline PADLIST * |
526 | coro_derive_padlist (pTHX_ CV *cv) |
518 | coro_derive_padlist (pTHX_ CV *cv) |
527 | { |
519 | { |
528 | AV *padlist = CvPADLIST (cv); |
520 | PADLIST *padlist = CvPADLIST (cv); |
529 | AV *newpadlist, *newpad; |
521 | PADLIST *newpadlist; |
|
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522 | PAD *newpad; |
|
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523 | PADOFFSET off = PadlistMAX (padlist) + 1; |
530 | |
524 | |
531 | newpadlist = newAV (); |
525 | #if NEWPADAPI |
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526 | |
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527 | /* if we had the original CvDEPTH, we might be able to steal the CvDEPTH+1 entry instead */ |
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528 | /* 20131102194744.GA6705@schmorp.de, 20131102195825.2013.qmail@lists-nntp.develooper.com */ |
|
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529 | while (!PadlistARRAY (padlist)[off - 1]) |
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530 | --off; |
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531 | |
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532 | Perl_pad_push (aTHX_ padlist, off); |
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533 | |
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534 | newpad = PadlistARRAY (padlist)[off]; |
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535 | PadlistARRAY (padlist)[off] = 0; |
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536 | |
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537 | #else |
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538 | |
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539 | #if PERL_VERSION_ATLEAST (5,10,0) |
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540 | Perl_pad_push (aTHX_ padlist, off); |
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541 | #else |
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542 | Perl_pad_push (aTHX_ padlist, off, 1); |
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543 | #endif |
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544 | |
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545 | newpad = PadlistARRAY (padlist)[off]; |
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546 | PadlistMAX (padlist) = off - 1; |
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547 | |
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548 | #endif |
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549 | |
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550 | newPADLIST (newpadlist); |
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551 | #if !PERL_VERSION_ATLEAST(5,15,3) |
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552 | /* Padlists are AvREAL as of 5.15.3. See perl bug #98092 and perl commit 7d953ba. */ |
532 | AvREAL_off (newpadlist); |
553 | AvREAL_off (newpadlist); |
533 | #if PERL_VERSION_ATLEAST (5,10,0) |
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534 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1); |
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535 | #else |
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536 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
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537 | #endif |
554 | #endif |
538 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
|
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539 | --AvFILLp (padlist); |
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540 | |
555 | |
541 | av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0])); |
556 | /* Already extended to 2 elements by newPADLIST. */ |
542 | av_store (newpadlist, 1, (SV *)newpad); |
557 | PadlistMAX (newpadlist) = 1; |
|
|
558 | PadlistNAMES (newpadlist) = (PADNAMELIST *)SvREFCNT_inc_NN (PadlistNAMES (padlist)); |
|
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559 | PadlistARRAY (newpadlist)[1] = newpad; |
543 | |
560 | |
544 | return newpadlist; |
561 | return newpadlist; |
545 | } |
562 | } |
546 | |
563 | |
547 | ecb_inline void |
564 | ecb_inline void |
548 | free_padlist (pTHX_ AV *padlist) |
565 | free_padlist (pTHX_ PADLIST *padlist) |
549 | { |
566 | { |
550 | /* may be during global destruction */ |
567 | /* may be during global destruction */ |
551 | if (!IN_DESTRUCT) |
568 | if (!IN_DESTRUCT) |
552 | { |
569 | { |
553 | I32 i = AvFILLp (padlist); |
570 | I32 i = PadlistMAX (padlist); |
554 | |
571 | |
555 | while (i > 0) /* special-case index 0 */ |
572 | while (i > 0) /* special-case index 0 */ |
556 | { |
573 | { |
557 | /* we try to be extra-careful here */ |
574 | /* we try to be extra-careful here */ |
558 | AV *av = (AV *)AvARRAY (padlist)[i--]; |
575 | PAD *pad = PadlistARRAY (padlist)[i--]; |
559 | I32 j = AvFILLp (av); |
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560 | |
576 | |
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577 | if (pad) |
|
|
578 | { |
|
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579 | I32 j = PadMAX (pad); |
|
|
580 | |
561 | while (j >= 0) |
581 | while (j >= 0) |
562 | SvREFCNT_dec (AvARRAY (av)[j--]); |
582 | SvREFCNT_dec (PadARRAY (pad)[j--]); |
563 | |
583 | |
564 | AvFILLp (av) = -1; |
584 | PadMAX (pad) = -1; |
565 | SvREFCNT_dec (av); |
585 | SvREFCNT_dec (pad); |
|
|
586 | } |
566 | } |
587 | } |
567 | |
588 | |
568 | SvREFCNT_dec (AvARRAY (padlist)[0]); |
589 | SvREFCNT_dec (PadlistNAMES (padlist)); |
569 | |
590 | |
|
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591 | #if NEWPADAPI |
|
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592 | Safefree (PadlistARRAY (padlist)); |
|
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593 | Safefree (padlist); |
|
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594 | #else |
570 | AvFILLp (padlist) = -1; |
595 | AvFILLp (padlist) = -1; |
|
|
596 | AvREAL_off (padlist); |
571 | SvREFCNT_dec ((SV*)padlist); |
597 | SvREFCNT_dec ((SV*)padlist); |
|
|
598 | #endif |
572 | } |
599 | } |
573 | } |
600 | } |
574 | |
601 | |
575 | static int |
602 | static int |
576 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
603 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
577 | { |
604 | { |
578 | AV *padlist; |
605 | PADLIST *padlist; |
579 | AV *av = (AV *)mg->mg_obj; |
606 | PADLIST **padlists = (PADLIST **)(mg->mg_ptr + sizeof(size_t)); |
|
|
607 | size_t len = *(size_t *)mg->mg_ptr; |
580 | |
608 | |
581 | /* perl manages to free our internal AV and _then_ call us */ |
609 | /* perl manages to free our internal AV and _then_ call us */ |
582 | if (IN_DESTRUCT) |
610 | if (IN_DESTRUCT) |
583 | return 0; |
611 | return 0; |
584 | |
612 | |
585 | /* casting is fun. */ |
613 | while (len--) |
586 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
|
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587 | free_padlist (aTHX_ padlist); |
614 | free_padlist (aTHX_ padlists[len]); |
588 | |
|
|
589 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
|
|
590 | |
615 | |
591 | return 0; |
616 | return 0; |
592 | } |
617 | } |
593 | |
618 | |
594 | static MGVTBL coro_cv_vtbl = { |
619 | static MGVTBL coro_cv_vtbl = { |
… | |
… | |
599 | /* the next two functions merely cache the padlists */ |
624 | /* the next two functions merely cache the padlists */ |
600 | ecb_inline void |
625 | ecb_inline void |
601 | get_padlist (pTHX_ CV *cv) |
626 | get_padlist (pTHX_ CV *cv) |
602 | { |
627 | { |
603 | MAGIC *mg = CORO_MAGIC_cv (cv); |
628 | MAGIC *mg = CORO_MAGIC_cv (cv); |
604 | AV *av; |
629 | size_t *lenp; |
605 | |
630 | |
606 | if (ecb_expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
631 | if (ecb_expect_true (mg && *(lenp = (size_t *)mg->mg_ptr))) |
607 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
632 | CvPADLIST (cv) = ((PADLIST **)(mg->mg_ptr + sizeof(size_t)))[--*lenp]; |
608 | else |
633 | else |
609 | { |
634 | { |
610 | #if CORO_PREFER_PERL_FUNCTIONS |
635 | #if CORO_PREFER_PERL_FUNCTIONS |
611 | /* this is probably cleaner? but also slower! */ |
636 | /* this is probably cleaner? but also slower! */ |
612 | /* in practise, it seems to be less stable */ |
637 | /* in practise, it seems to be less stable */ |
… | |
… | |
622 | |
647 | |
623 | ecb_inline void |
648 | ecb_inline void |
624 | put_padlist (pTHX_ CV *cv) |
649 | put_padlist (pTHX_ CV *cv) |
625 | { |
650 | { |
626 | MAGIC *mg = CORO_MAGIC_cv (cv); |
651 | MAGIC *mg = CORO_MAGIC_cv (cv); |
627 | AV *av; |
|
|
628 | |
652 | |
629 | if (ecb_expect_false (!mg)) |
653 | if (ecb_expect_false (!mg)) |
|
|
654 | { |
630 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
655 | mg = sv_magicext ((SV *)cv, 0, CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
|
|
656 | Newz (0, mg->mg_ptr ,sizeof (size_t) + sizeof (PADLIST *), char); |
|
|
657 | mg->mg_len = 1; /* so mg_free frees mg_ptr */ |
|
|
658 | } |
|
|
659 | else |
|
|
660 | Renew (mg->mg_ptr, |
|
|
661 | sizeof(size_t) + (*(size_t *)mg->mg_ptr + 1) * sizeof(PADLIST *), |
|
|
662 | char); |
631 | |
663 | |
632 | av = (AV *)mg->mg_obj; |
664 | ((PADLIST **)(mg->mg_ptr + sizeof (size_t))) [(*(size_t *)mg->mg_ptr)++] = CvPADLIST (cv); |
633 | |
|
|
634 | if (ecb_expect_false (AvFILLp (av) >= AvMAX (av))) |
|
|
635 | av_extend (av, AvFILLp (av) + 1); |
|
|
636 | |
|
|
637 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
|
|
638 | } |
665 | } |
639 | |
666 | |
640 | /** load & save, init *******************************************************/ |
667 | /** load & save, init *******************************************************/ |
641 | |
668 | |
|
|
669 | ecb_inline void |
|
|
670 | swap_sv (SV *a, SV *b) |
|
|
671 | { |
|
|
672 | const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */ |
|
|
673 | SV tmp; |
|
|
674 | |
|
|
675 | /* swap sv_any */ |
|
|
676 | SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp); |
|
|
677 | |
|
|
678 | /* swap sv_flags */ |
|
|
679 | SvFLAGS (&tmp) = SvFLAGS (a); |
|
|
680 | SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep); |
|
|
681 | SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep); |
|
|
682 | |
|
|
683 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
684 | /* perl 5.10 and later complicates this _quite_ a bit, but it also |
|
|
685 | * is much faster, so no quarrels here. alternatively, we could |
|
|
686 | * sv_upgrade to avoid this. |
|
|
687 | */ |
|
|
688 | { |
|
|
689 | /* swap sv_u */ |
|
|
690 | tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u; |
|
|
691 | |
|
|
692 | /* if SvANY points to the head, we need to adjust the pointers, |
|
|
693 | * as the pointer for a still points to b, and maybe vice versa. |
|
|
694 | */ |
|
|
695 | #define svany_in_head(type) \ |
|
|
696 | (((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type))) |
|
|
697 | |
|
|
698 | if (svany_in_head (SvTYPE (a))) |
|
|
699 | SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a); |
|
|
700 | |
|
|
701 | if (svany_in_head (SvTYPE (b))) |
|
|
702 | SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b); |
|
|
703 | } |
|
|
704 | #endif |
|
|
705 | } |
|
|
706 | |
642 | /* swap sv heads, at least logically */ |
707 | /* swap sv heads, at least logically */ |
643 | static void |
708 | static void |
644 | swap_svs (pTHX_ Coro__State c) |
709 | swap_svs (pTHX_ Coro__State c) |
645 | { |
710 | { |
646 | int i; |
711 | int i; |
647 | |
712 | |
648 | for (i = 0; i <= AvFILLp (c->swap_sv); ) |
713 | for (i = 0; i <= AvFILLp (c->swap_sv); i += 2) |
649 | { |
714 | swap_sv (AvARRAY (c->swap_sv)[i], AvARRAY (c->swap_sv)[i + 1]); |
650 | SV *a = AvARRAY (c->swap_sv)[i++]; |
|
|
651 | SV *b = AvARRAY (c->swap_sv)[i++]; |
|
|
652 | |
|
|
653 | const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */ |
|
|
654 | SV tmp; |
|
|
655 | |
|
|
656 | /* swap sv_any */ |
|
|
657 | SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp); |
|
|
658 | |
|
|
659 | /* swap sv_flags */ |
|
|
660 | SvFLAGS (&tmp) = SvFLAGS (a); |
|
|
661 | SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep); |
|
|
662 | SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep); |
|
|
663 | |
|
|
664 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
665 | /* perl 5.10 complicates this _quite_ a bit, but it also is |
|
|
666 | * much faster, so no quarrels here. alternatively, we could |
|
|
667 | * sv_upgrade to avoid this. |
|
|
668 | */ |
|
|
669 | { |
|
|
670 | /* swap sv_u */ |
|
|
671 | tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u; |
|
|
672 | |
|
|
673 | /* if SvANY points to the head, we need to adjust the pointers, |
|
|
674 | * as the pointer for a still points to b, and maybe vice versa. |
|
|
675 | */ |
|
|
676 | #define svany_in_head(type) \ |
|
|
677 | (((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type))) |
|
|
678 | |
|
|
679 | if (svany_in_head (SvTYPE (a))) |
|
|
680 | SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a); |
|
|
681 | |
|
|
682 | if (svany_in_head (SvTYPE (b))) |
|
|
683 | SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b); |
|
|
684 | } |
|
|
685 | #endif |
|
|
686 | } |
|
|
687 | } |
715 | } |
688 | |
716 | |
689 | #define SWAP_SVS(coro) \ |
717 | #define SWAP_SVS(coro) \ |
690 | if (ecb_expect_false ((coro)->swap_sv)) \ |
718 | if (ecb_expect_false ((coro)->swap_sv)) \ |
691 | swap_svs (aTHX_ (coro)) |
719 | swap_svs (aTHX_ (coro)) |
… | |
… | |
703 | |
731 | |
704 | #if CORO_JIT |
732 | #if CORO_JIT |
705 | load_perl_slots (slot); |
733 | load_perl_slots (slot); |
706 | #else |
734 | #else |
707 | #define VARx(name,expr,type) expr = slot->name; |
735 | #define VARx(name,expr,type) expr = slot->name; |
708 | # include "state.h" |
736 | #include "state.h" |
709 | #undef VARx |
|
|
710 | #endif |
737 | #endif |
711 | |
738 | |
712 | { |
739 | { |
713 | dSP; |
740 | dSP; |
714 | |
741 | |
… | |
… | |
717 | /* now do the ugly restore mess */ |
744 | /* now do the ugly restore mess */ |
718 | while (ecb_expect_true (cv = (CV *)POPs)) |
745 | while (ecb_expect_true (cv = (CV *)POPs)) |
719 | { |
746 | { |
720 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
747 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
721 | CvDEPTH (cv) = PTR2IV (POPs); |
748 | CvDEPTH (cv) = PTR2IV (POPs); |
722 | CvPADLIST (cv) = (AV *)POPs; |
749 | CvPADLIST (cv) = (PADLIST *)POPs; |
723 | } |
750 | } |
724 | |
751 | |
725 | PUTBACK; |
752 | PUTBACK; |
726 | } |
753 | } |
727 | |
754 | |
… | |
… | |
836 | |
863 | |
837 | #if CORO_JIT |
864 | #if CORO_JIT |
838 | save_perl_slots (slot); |
865 | save_perl_slots (slot); |
839 | #else |
866 | #else |
840 | #define VARx(name,expr,type) slot->name = expr; |
867 | #define VARx(name,expr,type) slot->name = expr; |
841 | # include "state.h" |
868 | #include "state.h" |
842 | #undef VARx |
|
|
843 | #endif |
869 | #endif |
844 | } |
870 | } |
845 | } |
871 | } |
846 | |
872 | |
847 | /* |
873 | /* |
… | |
… | |
879 | #endif |
905 | #endif |
880 | |
906 | |
881 | New(54,PL_scopestack,8,I32); |
907 | New(54,PL_scopestack,8,I32); |
882 | PL_scopestack_ix = 0; |
908 | PL_scopestack_ix = 0; |
883 | PL_scopestack_max = 8; |
909 | PL_scopestack_max = 8; |
|
|
910 | #if HAS_SCOPESTACK_NAME |
|
|
911 | New(54,PL_scopestack_name,8,const char*); |
|
|
912 | #endif |
884 | |
913 | |
885 | New(54,PL_savestack,24,ANY); |
914 | New(54,PL_savestack,24,ANY); |
886 | PL_savestack_ix = 0; |
915 | PL_savestack_ix = 0; |
887 | PL_savestack_max = 24; |
916 | PL_savestack_max = 24; |
888 | |
917 | |
… | |
… | |
916 | } |
945 | } |
917 | |
946 | |
918 | Safefree (PL_tmps_stack); |
947 | Safefree (PL_tmps_stack); |
919 | Safefree (PL_markstack); |
948 | Safefree (PL_markstack); |
920 | Safefree (PL_scopestack); |
949 | Safefree (PL_scopestack); |
|
|
950 | #if HAS_SCOPESTACK_NAME |
|
|
951 | Safefree (PL_scopestack_name); |
|
|
952 | #endif |
921 | Safefree (PL_savestack); |
953 | Safefree (PL_savestack); |
922 | #if !PERL_VERSION_ATLEAST (5,10,0) |
954 | #if !PERL_VERSION_ATLEAST (5,10,0) |
923 | Safefree (PL_retstack); |
955 | Safefree (PL_retstack); |
924 | #endif |
956 | #endif |
925 | } |
957 | } |
… | |
… | |
985 | { |
1017 | { |
986 | SV **svp = 0; |
1018 | SV **svp = 0; |
987 | |
1019 | |
988 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
1020 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
989 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
1021 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
990 | |
1022 | |
991 | if (svp) |
1023 | if (svp) |
992 | { |
1024 | { |
993 | sv_setsv (sv, *svp ? *svp : &PL_sv_undef); |
1025 | SV *ssv; |
|
|
1026 | |
|
|
1027 | if (!*svp) |
|
|
1028 | ssv = &PL_sv_undef; |
|
|
1029 | else if (SvTYPE (*svp) == SVt_PVCV) /* perlio directly stores a CV in warnhook. ugh. */ |
|
|
1030 | ssv = sv_2mortal (newRV_inc (*svp)); |
|
|
1031 | else |
|
|
1032 | ssv = *svp; |
|
|
1033 | |
|
|
1034 | sv_setsv (sv, ssv); |
994 | return 0; |
1035 | return 0; |
995 | } |
1036 | } |
996 | } |
1037 | } |
997 | |
1038 | |
998 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
1039 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
… | |
… | |
1092 | PL_hints = 0; |
1133 | PL_hints = 0; |
1093 | |
1134 | |
1094 | /* recreate the die/warn hooks */ |
1135 | /* recreate the die/warn hooks */ |
1095 | PL_diehook = SvREFCNT_inc (rv_diehook); |
1136 | PL_diehook = SvREFCNT_inc (rv_diehook); |
1096 | PL_warnhook = SvREFCNT_inc (rv_warnhook); |
1137 | PL_warnhook = SvREFCNT_inc (rv_warnhook); |
1097 | |
1138 | |
1098 | GvSV (PL_defgv) = newSV (0); |
1139 | GvSV (PL_defgv) = newSV (0); |
1099 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1140 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1100 | GvSV (PL_errgv) = newSV (0); |
1141 | GvSV (PL_errgv) = newSV (0); |
1101 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
1142 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
1102 | GvHV (PL_hintgv) = 0; |
1143 | GvHV (PL_hintgv) = 0; |
… | |
… | |
1395 | transfer_tail (pTHX) |
1436 | transfer_tail (pTHX) |
1396 | { |
1437 | { |
1397 | free_coro_mortal (aTHX); |
1438 | free_coro_mortal (aTHX); |
1398 | } |
1439 | } |
1399 | |
1440 | |
|
|
1441 | /* try to exit the same way perl's main function would do */ |
|
|
1442 | /* we do not bother resetting the environment or other things *7 |
|
|
1443 | /* that are not, uhm, essential */ |
|
|
1444 | /* this obviously also doesn't work when perl is embedded */ |
|
|
1445 | static void ecb_noinline ecb_cold |
|
|
1446 | perlish_exit (pTHX) |
|
|
1447 | { |
|
|
1448 | int exitstatus = perl_destruct (PL_curinterp); |
|
|
1449 | perl_free (PL_curinterp); |
|
|
1450 | exit (exitstatus); |
|
|
1451 | } |
|
|
1452 | |
1400 | /* |
1453 | /* |
1401 | * this is a _very_ stripped down perl interpreter ;) |
1454 | * this is a _very_ stripped down perl interpreter ;) |
1402 | */ |
1455 | */ |
1403 | static void |
1456 | static void |
1404 | cctx_run (void *arg) |
1457 | cctx_run (void *arg) |
… | |
… | |
1431 | */ |
1484 | */ |
1432 | |
1485 | |
1433 | /* |
1486 | /* |
1434 | * If perl-run returns we assume exit() was being called or the coro |
1487 | * If perl-run returns we assume exit() was being called or the coro |
1435 | * fell off the end, which seems to be the only valid (non-bug) |
1488 | * fell off the end, which seems to be the only valid (non-bug) |
1436 | * reason for perl_run to return. We try to exit by jumping to the |
1489 | * reason for perl_run to return. We try to mimic whatever perl is normally |
1437 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
1490 | * doing in that case. YMMV. |
1438 | * coroutine as Coro has no such concept. |
|
|
1439 | * This actually isn't valid with the pthread backend, but OSes requiring |
|
|
1440 | * that backend are too broken to do it in a standards-compliant way. |
|
|
1441 | */ |
1491 | */ |
1442 | PL_top_env = main_top_env; |
1492 | perlish_exit (aTHX); |
1443 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
|
|
1444 | } |
1493 | } |
1445 | } |
1494 | } |
1446 | |
1495 | |
1447 | static coro_cctx * |
1496 | static coro_cctx * |
1448 | cctx_new (void) |
1497 | cctx_new (void) |
… | |
… | |
1463 | static coro_cctx * |
1512 | static coro_cctx * |
1464 | cctx_new_empty (void) |
1513 | cctx_new_empty (void) |
1465 | { |
1514 | { |
1466 | coro_cctx *cctx = cctx_new (); |
1515 | coro_cctx *cctx = cctx_new (); |
1467 | |
1516 | |
1468 | cctx->sptr = 0; |
1517 | cctx->stack.sptr = 0; |
1469 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
1518 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
1470 | |
1519 | |
1471 | return cctx; |
1520 | return cctx; |
1472 | } |
1521 | } |
1473 | |
1522 | |
1474 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1523 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1475 | static coro_cctx * |
1524 | static coro_cctx * |
1476 | cctx_new_run (void) |
1525 | cctx_new_run (void) |
1477 | { |
1526 | { |
1478 | coro_cctx *cctx = cctx_new (); |
1527 | coro_cctx *cctx = cctx_new (); |
1479 | void *stack_start; |
|
|
1480 | size_t stack_size; |
|
|
1481 | |
1528 | |
1482 | #if HAVE_MMAP |
1529 | if (!coro_stack_alloc (&cctx->stack, cctx_stacksize)) |
1483 | cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
|
|
1484 | /* mmap supposedly does allocate-on-write for us */ |
|
|
1485 | cctx->sptr = mmap (0, cctx->ssize, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_ANONYMOUS, 0, 0); |
|
|
1486 | |
|
|
1487 | if (cctx->sptr != (void *)-1) |
|
|
1488 | { |
|
|
1489 | #if CORO_STACKGUARD |
|
|
1490 | mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); |
|
|
1491 | #endif |
|
|
1492 | stack_start = (char *)cctx->sptr + CORO_STACKGUARD * PAGESIZE; |
|
|
1493 | stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE; |
|
|
1494 | cctx->flags |= CC_MAPPED; |
|
|
1495 | } |
1530 | { |
1496 | else |
|
|
1497 | #endif |
|
|
1498 | { |
|
|
1499 | cctx->ssize = cctx_stacksize * (long)sizeof (long); |
|
|
1500 | New (0, cctx->sptr, cctx_stacksize, long); |
|
|
1501 | |
|
|
1502 | if (!cctx->sptr) |
|
|
1503 | { |
|
|
1504 | perror ("FATAL: unable to allocate stack for coroutine, exiting."); |
1531 | perror ("FATAL: unable to allocate stack for coroutine, exiting."); |
1505 | _exit (EXIT_FAILURE); |
1532 | _exit (EXIT_FAILURE); |
1506 | } |
|
|
1507 | |
|
|
1508 | stack_start = cctx->sptr; |
|
|
1509 | stack_size = cctx->ssize; |
|
|
1510 | } |
1533 | } |
1511 | |
1534 | |
1512 | #if CORO_USE_VALGRIND |
|
|
1513 | cctx->valgrind_id = VALGRIND_STACK_REGISTER ((char *)stack_start, (char *)stack_start + stack_size); |
|
|
1514 | #endif |
|
|
1515 | |
|
|
1516 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size); |
1535 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, cctx->stack.sptr, cctx->stack.ssze); |
1517 | |
1536 | |
1518 | return cctx; |
1537 | return cctx; |
1519 | } |
1538 | } |
1520 | |
1539 | |
1521 | static void |
1540 | static void |
… | |
… | |
1527 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current)); |
1546 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current)); |
1528 | |
1547 | |
1529 | --cctx_count; |
1548 | --cctx_count; |
1530 | coro_destroy (&cctx->cctx); |
1549 | coro_destroy (&cctx->cctx); |
1531 | |
1550 | |
1532 | /* coro_transfer creates new, empty cctx's */ |
1551 | coro_stack_free (&cctx->stack); |
1533 | if (cctx->sptr) |
|
|
1534 | { |
|
|
1535 | #if CORO_USE_VALGRIND |
|
|
1536 | VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); |
|
|
1537 | #endif |
|
|
1538 | |
|
|
1539 | #if HAVE_MMAP |
|
|
1540 | if (cctx->flags & CC_MAPPED) |
|
|
1541 | munmap (cctx->sptr, cctx->ssize); |
|
|
1542 | else |
|
|
1543 | #endif |
|
|
1544 | Safefree (cctx->sptr); |
|
|
1545 | } |
|
|
1546 | |
1552 | |
1547 | Safefree (cctx); |
1553 | Safefree (cctx); |
1548 | } |
1554 | } |
1549 | |
1555 | |
1550 | /* wether this cctx should be destructed */ |
1556 | /* wether this cctx should be destructed */ |
… | |
… | |
1569 | } |
1575 | } |
1570 | |
1576 | |
1571 | static void |
1577 | static void |
1572 | cctx_put (coro_cctx *cctx) |
1578 | cctx_put (coro_cctx *cctx) |
1573 | { |
1579 | { |
1574 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr)); |
1580 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->stack.sptr)); |
1575 | |
1581 | |
1576 | /* free another cctx if overlimit */ |
1582 | /* free another cctx if overlimit */ |
1577 | if (ecb_expect_false (cctx_idle >= cctx_max_idle)) |
1583 | if (ecb_expect_false (cctx_idle >= cctx_max_idle)) |
1578 | { |
1584 | { |
1579 | coro_cctx *first = cctx_first; |
1585 | coro_cctx *first = cctx_first; |
… | |
… | |
1705 | return; |
1711 | return; |
1706 | |
1712 | |
1707 | slf_destroy (aTHX_ coro); |
1713 | slf_destroy (aTHX_ coro); |
1708 | |
1714 | |
1709 | coro->flags |= CF_ZOMBIE; |
1715 | coro->flags |= CF_ZOMBIE; |
1710 | |
1716 | |
1711 | if (coro->flags & CF_READY) |
1717 | if (coro->flags & CF_READY) |
1712 | { |
1718 | { |
1713 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1719 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1714 | /* alternative: look through all ready queues and remove the coro */ |
1720 | /* alternative: look through all ready queues and remove the coro */ |
1715 | --coro_nready; |
1721 | --coro_nready; |
… | |
… | |
1911 | /* nothing to schedule: call the idle handler */ |
1917 | /* nothing to schedule: call the idle handler */ |
1912 | if (SvROK (sv_idle) |
1918 | if (SvROK (sv_idle) |
1913 | && SvOBJECT (SvRV (sv_idle))) |
1919 | && SvOBJECT (SvRV (sv_idle))) |
1914 | { |
1920 | { |
1915 | if (SvRV (sv_idle) == SvRV (coro_current)) |
1921 | if (SvRV (sv_idle) == SvRV (coro_current)) |
|
|
1922 | { |
|
|
1923 | require_pv ("Carp"); |
|
|
1924 | |
|
|
1925 | { |
|
|
1926 | dSP; |
|
|
1927 | |
|
|
1928 | ENTER; |
|
|
1929 | SAVETMPS; |
|
|
1930 | |
|
|
1931 | PUSHMARK (SP); |
1916 | croak ("FATAL: $Coro::IDLE blocked itself - did you try to block inside an event loop callback? Caught"); |
1932 | XPUSHs (sv_2mortal (newSVpv ("FATAL: $Coro::IDLE blocked itself - did you try to block inside an event loop callback? Caught", 0))); |
|
|
1933 | PUTBACK; |
|
|
1934 | call_pv ("Carp::confess", G_VOID | G_DISCARD); |
|
|
1935 | |
|
|
1936 | FREETMPS; |
|
|
1937 | LEAVE; |
|
|
1938 | } |
|
|
1939 | } |
1917 | |
1940 | |
1918 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
1941 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
1919 | api_ready (aTHX_ SvRV (sv_idle)); |
1942 | api_ready (aTHX_ SvRV (sv_idle)); |
1920 | --coro_nready; |
1943 | --coro_nready; |
1921 | } |
1944 | } |
… | |
… | |
2119 | AV *od = coro->on_destroy; |
2142 | AV *od = coro->on_destroy; |
2120 | |
2143 | |
2121 | if (!od) |
2144 | if (!od) |
2122 | return; |
2145 | return; |
2123 | |
2146 | |
|
|
2147 | coro->on_destroy = 0; |
|
|
2148 | sv_2mortal ((SV *)od); |
|
|
2149 | |
2124 | while (AvFILLp (od) >= 0) |
2150 | while (AvFILLp (od) >= 0) |
2125 | { |
2151 | { |
2126 | SV *cb = sv_2mortal (av_pop (od)); |
2152 | SV *cb = sv_2mortal (av_pop (od)); |
2127 | |
2153 | |
2128 | /* coro hv's (and only hv's at the moment) are supported as well */ |
2154 | /* coro hv's (and only hv's at the moment) are supported as well */ |
… | |
… | |
2148 | |
2174 | |
2149 | static void |
2175 | static void |
2150 | coro_set_status (pTHX_ struct coro *coro, SV **arg, int items) |
2176 | coro_set_status (pTHX_ struct coro *coro, SV **arg, int items) |
2151 | { |
2177 | { |
2152 | AV *av; |
2178 | AV *av; |
2153 | |
2179 | |
2154 | if (coro->status) |
2180 | if (coro->status) |
2155 | { |
2181 | { |
2156 | av = coro->status; |
2182 | av = coro->status; |
2157 | av_clear (av); |
2183 | av_clear (av); |
2158 | } |
2184 | } |
… | |
… | |
2205 | |
2231 | |
2206 | coro = SvSTATE (arg [0]); |
2232 | coro = SvSTATE (arg [0]); |
2207 | coro_hv = coro->hv; |
2233 | coro_hv = coro->hv; |
2208 | |
2234 | |
2209 | coro_set_status (aTHX_ coro, arg + 1, items - 1); |
2235 | coro_set_status (aTHX_ coro, arg + 1, items - 1); |
2210 | |
2236 | |
2211 | if (ecb_expect_false (coro->flags & CF_NOCANCEL)) |
2237 | if (ecb_expect_false (coro->flags & CF_NOCANCEL)) |
2212 | { |
2238 | { |
2213 | /* coro currently busy cancelling something, so just notify it */ |
2239 | /* coro currently busy cancelling something, so just notify it */ |
2214 | coro->slf_frame.data = (void *)coro; |
2240 | coro->slf_frame.data = (void *)coro; |
2215 | |
2241 | |
… | |
… | |
2394 | |
2420 | |
2395 | static int |
2421 | static int |
2396 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
2422 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
2397 | { |
2423 | { |
2398 | SV *data = (SV *)frame->data; |
2424 | SV *data = (SV *)frame->data; |
2399 | |
2425 | |
2400 | if (CORO_THROW) |
2426 | if (CORO_THROW) |
2401 | return 0; |
2427 | return 0; |
2402 | |
2428 | |
2403 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2429 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2404 | return 1; |
2430 | return 1; |
… | |
… | |
2440 | cb = sv_2mortal (coro->rouse_cb); |
2466 | cb = sv_2mortal (coro->rouse_cb); |
2441 | coro->rouse_cb = 0; |
2467 | coro->rouse_cb = 0; |
2442 | } |
2468 | } |
2443 | |
2469 | |
2444 | if (!SvROK (cb) |
2470 | if (!SvROK (cb) |
2445 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2471 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2446 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2472 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2447 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2473 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2448 | |
2474 | |
2449 | { |
2475 | { |
2450 | CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ |
2476 | CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ |
… | |
… | |
2573 | |
2599 | |
2574 | /* "undo"/cancel a running slf call - used when cancelling a coro, mainly */ |
2600 | /* "undo"/cancel a running slf call - used when cancelling a coro, mainly */ |
2575 | static void |
2601 | static void |
2576 | slf_destroy (pTHX_ struct coro *coro) |
2602 | slf_destroy (pTHX_ struct coro *coro) |
2577 | { |
2603 | { |
2578 | /* this callback is reserved for slf functions needing to do cleanup */ |
2604 | struct CoroSLF frame = coro->slf_frame; |
2579 | if (coro->slf_frame.destroy && coro->slf_frame.prepare && !PL_dirty) |
|
|
2580 | coro->slf_frame.destroy (aTHX_ &coro->slf_frame); |
|
|
2581 | |
2605 | |
2582 | /* |
2606 | /* |
2583 | * The on_destroy above most likely is from an SLF call. |
2607 | * The on_destroy below most likely is from an SLF call. |
2584 | * Since by definition the SLF call will not finish when we destroy |
2608 | * Since by definition the SLF call will not finish when we destroy |
2585 | * the coro, we will have to force-finish it here, otherwise |
2609 | * the coro, we will have to force-finish it here, otherwise |
2586 | * cleanup functions cannot call SLF functions. |
2610 | * cleanup functions cannot call SLF functions. |
2587 | */ |
2611 | */ |
2588 | coro->slf_frame.prepare = 0; |
2612 | coro->slf_frame.prepare = 0; |
|
|
2613 | coro->slf_frame.destroy = 0; |
|
|
2614 | |
|
|
2615 | /* this callback is reserved for slf functions needing to do cleanup */ |
|
|
2616 | if (frame.destroy && frame.prepare && !PL_dirty) |
|
|
2617 | frame.destroy (aTHX_ &frame); |
2589 | } |
2618 | } |
2590 | |
2619 | |
2591 | /* |
2620 | /* |
2592 | * these not obviously related functions are all rolled into one |
2621 | * these not obviously related functions are all rolled into one |
2593 | * function to increase chances that they all will call transfer with the same |
2622 | * function to increase chances that they all will call transfer with the same |
… | |
… | |
3171 | /* it quickly returns */ |
3200 | /* it quickly returns */ |
3172 | if (CORO_THROW) |
3201 | if (CORO_THROW) |
3173 | return 0; |
3202 | return 0; |
3174 | |
3203 | |
3175 | /* one element that is an RV? repeat! */ |
3204 | /* one element that is an RV? repeat! */ |
3176 | if (AvFILLp (state) == 0 && SvROK (AvARRAY (state)[0])) |
3205 | if (AvFILLp (state) == 0 && SvTYPE (AvARRAY (state)[0]) != SVt_PV) |
3177 | return 1; |
3206 | return 1; |
3178 | |
3207 | |
3179 | /* restore status */ |
3208 | /* restore status */ |
3180 | { |
3209 | { |
3181 | SV *data_sv = av_pop (state); |
3210 | SV *data_sv = av_pop (state); |
… | |
… | |
3371 | int count; |
3400 | int count; |
3372 | |
3401 | |
3373 | eval_pv ("require 'Coro/jit-" CORO_JIT_TYPE ".pl'", 1); |
3402 | eval_pv ("require 'Coro/jit-" CORO_JIT_TYPE ".pl'", 1); |
3374 | |
3403 | |
3375 | PUSHMARK (SP); |
3404 | PUSHMARK (SP); |
3376 | #define VARx(name,expr,type) pushav_4uv (aTHX_ (UV)&(expr), sizeof (expr), offsetof (perl_slots, name), sizeof (type)); |
3405 | #define VARx(name,expr,type) pushav_4uv (aTHX_ (UV)&(expr), sizeof (expr), offsetof (perl_slots, name), sizeof (type)); |
3377 | # include "state.h" |
3406 | #include "state.h" |
3378 | #undef VARx |
|
|
3379 | count = call_pv ("Coro::State::_jit", G_ARRAY); |
3407 | count = call_pv ("Coro::State::_jit", G_ARRAY); |
3380 | SPAGAIN; |
3408 | SPAGAIN; |
3381 | |
3409 | |
3382 | save = POPs; save_ptr = SvPVbyte (save, save_len); |
3410 | save = POPs; save_ptr = SvPVbyte (save, save_len); |
3383 | load = POPs; load_ptr = SvPVbyte (load, load_len); |
3411 | load = POPs; load_ptr = SvPVbyte (load, load_len); |
… | |
… | |
3415 | #ifdef USE_ITHREADS |
3443 | #ifdef USE_ITHREADS |
3416 | # if CORO_PTHREAD |
3444 | # if CORO_PTHREAD |
3417 | coro_thx = PERL_GET_CONTEXT; |
3445 | coro_thx = PERL_GET_CONTEXT; |
3418 | # endif |
3446 | # endif |
3419 | #endif |
3447 | #endif |
3420 | BOOT_PAGESIZE; |
|
|
3421 | |
|
|
3422 | /* perl defines these to check for existance first, but why it doesn't */ |
3448 | /* perl defines these to check for existance first, but why it doesn't */ |
3423 | /* just create them one at init time is not clear to me, except for */ |
3449 | /* just create them one at init time is not clear to me, except for */ |
3424 | /* programs trying to delete them, but... */ |
3450 | /* programs trying to delete them, but... */ |
3425 | /* anyway, we declare this as invalid and make sure they are initialised here */ |
3451 | /* anyway, we declare this as invalid and make sure they are initialised here */ |
3426 | DEFSV; |
3452 | DEFSV; |
… | |
… | |
3496 | void |
3522 | void |
3497 | transfer (...) |
3523 | transfer (...) |
3498 | PROTOTYPE: $$ |
3524 | PROTOTYPE: $$ |
3499 | CODE: |
3525 | CODE: |
3500 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3526 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3501 | |
|
|
3502 | void |
|
|
3503 | _exit (int code) |
|
|
3504 | PROTOTYPE: $ |
|
|
3505 | CODE: |
|
|
3506 | _exit (code); |
|
|
3507 | |
3527 | |
3508 | SV * |
3528 | SV * |
3509 | clone (Coro::State coro) |
3529 | clone (Coro::State coro) |
3510 | CODE: |
3530 | CODE: |
3511 | { |
3531 | { |
… | |
… | |
3566 | void |
3586 | void |
3567 | list () |
3587 | list () |
3568 | PROTOTYPE: |
3588 | PROTOTYPE: |
3569 | PPCODE: |
3589 | PPCODE: |
3570 | { |
3590 | { |
3571 | struct coro *coro; |
3591 | struct coro *coro; |
3572 | for (coro = coro_first; coro; coro = coro->next) |
3592 | for (coro = coro_first; coro; coro = coro->next) |
3573 | if (coro->hv) |
3593 | if (coro->hv) |
3574 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
3594 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
3575 | } |
3595 | } |
3576 | |
3596 | |
… | |
… | |
3640 | RETVAL = boolSV (coro->flags & ix); |
3660 | RETVAL = boolSV (coro->flags & ix); |
3641 | OUTPUT: |
3661 | OUTPUT: |
3642 | RETVAL |
3662 | RETVAL |
3643 | |
3663 | |
3644 | void |
3664 | void |
3645 | throw (Coro::State self, SV *exception = &PL_sv_undef) |
3665 | throw (SV *self, SV *exception = &PL_sv_undef) |
3646 | PROTOTYPE: $;$ |
3666 | PROTOTYPE: $;$ |
3647 | CODE: |
3667 | CODE: |
3648 | { |
3668 | { |
|
|
3669 | struct coro *coro = SvSTATE (self); |
3649 | struct coro *current = SvSTATE_current; |
3670 | struct coro *current = SvSTATE_current; |
3650 | SV **exceptionp = self == current ? &CORO_THROW : &self->except; |
3671 | SV **exceptionp = coro == current ? &CORO_THROW : &coro->except; |
3651 | SvREFCNT_dec (*exceptionp); |
3672 | SvREFCNT_dec (*exceptionp); |
3652 | SvGETMAGIC (exception); |
3673 | SvGETMAGIC (exception); |
3653 | *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; |
3674 | *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; |
|
|
3675 | |
|
|
3676 | api_ready (aTHX_ self); |
3654 | } |
3677 | } |
3655 | |
3678 | |
3656 | void |
3679 | void |
3657 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3680 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3658 | PROTOTYPE: $;$ |
3681 | PROTOTYPE: $;$ |
… | |
… | |
3735 | |
3758 | |
3736 | void |
3759 | void |
3737 | times (Coro::State self) |
3760 | times (Coro::State self) |
3738 | PPCODE: |
3761 | PPCODE: |
3739 | { |
3762 | { |
3740 | struct coro *current = SvSTATE (coro_current); |
3763 | struct coro *current = SvSTATE (coro_current); |
3741 | |
3764 | |
3742 | if (ecb_expect_false (current == self)) |
3765 | if (ecb_expect_false (current == self)) |
3743 | { |
3766 | { |
3744 | coro_times_update (); |
3767 | coro_times_update (); |
3745 | coro_times_add (SvSTATE (coro_current)); |
3768 | coro_times_add (SvSTATE (coro_current)); |
… | |
… | |
3788 | |
3811 | |
3789 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3812 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3790 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
3813 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
3791 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
3814 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
3792 | CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */ |
3815 | CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */ |
3793 | |
3816 | |
3794 | coro_stash = gv_stashpv ("Coro", TRUE); |
3817 | coro_stash = gv_stashpv ("Coro", TRUE); |
3795 | |
3818 | |
3796 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
3819 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
3797 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
3820 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
3798 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL)); |
3821 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL)); |
… | |
… | |
4020 | on_leave = 1 |
4043 | on_leave = 1 |
4021 | PROTOTYPE: & |
4044 | PROTOTYPE: & |
4022 | CODE: |
4045 | CODE: |
4023 | { |
4046 | { |
4024 | struct coro *coro = SvSTATE_current; |
4047 | struct coro *coro = SvSTATE_current; |
4025 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
4048 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
4026 | |
4049 | |
4027 | block = s_get_cv_croak (block); |
4050 | block = s_get_cv_croak (block); |
4028 | |
4051 | |
4029 | if (!*avp) |
4052 | if (!*avp) |
4030 | *avp = newAV (); |
4053 | *avp = newAV (); |
… | |
… | |
4050 | |
4073 | |
4051 | SV * |
4074 | SV * |
4052 | new (SV *klass, SV *count = 0) |
4075 | new (SV *klass, SV *count = 0) |
4053 | CODE: |
4076 | CODE: |
4054 | { |
4077 | { |
4055 | int semcnt = 1; |
4078 | int semcnt = 1; |
4056 | |
4079 | |
4057 | if (count) |
4080 | if (count) |
4058 | { |
4081 | { |
4059 | SvGETMAGIC (count); |
4082 | SvGETMAGIC (count); |
4060 | |
4083 | |
… | |
… | |
4120 | XSRETURN_NO; |
4143 | XSRETURN_NO; |
4121 | } |
4144 | } |
4122 | |
4145 | |
4123 | void |
4146 | void |
4124 | waiters (SV *self) |
4147 | waiters (SV *self) |
4125 | PPCODE: |
4148 | PPCODE: |
4126 | { |
4149 | { |
4127 | AV *av = (AV *)SvRV (self); |
4150 | AV *av = (AV *)SvRV (self); |
4128 | int wcount = AvFILLp (av) + 1 - 1; |
4151 | int wcount = AvFILLp (av) + 1 - 1; |
4129 | |
4152 | |
4130 | if (GIMME_V == G_SCALAR) |
4153 | if (GIMME_V == G_SCALAR) |
… | |
… | |
4142 | |
4165 | |
4143 | void |
4166 | void |
4144 | _may_delete (SV *sem, int count, unsigned int extra_refs) |
4167 | _may_delete (SV *sem, int count, unsigned int extra_refs) |
4145 | PPCODE: |
4168 | PPCODE: |
4146 | { |
4169 | { |
4147 | AV *av = (AV *)SvRV (sem); |
4170 | AV *av = (AV *)SvRV (sem); |
4148 | |
4171 | |
4149 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
4172 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
4150 | && AvFILLp (av) == 0 /* no waiters, just count */ |
4173 | && AvFILLp (av) == 0 /* no waiters, just count */ |
4151 | && SvIV (AvARRAY (av)[0]) == count) |
4174 | && SvIV (AvARRAY (av)[0]) == count) |
4152 | XSRETURN_YES; |
4175 | XSRETURN_YES; |
… | |
… | |
4173 | |
4196 | |
4174 | void |
4197 | void |
4175 | broadcast (SV *self) |
4198 | broadcast (SV *self) |
4176 | CODE: |
4199 | CODE: |
4177 | { |
4200 | { |
4178 | AV *av = (AV *)SvRV (self); |
4201 | AV *av = (AV *)SvRV (self); |
4179 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
4202 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
4180 | } |
4203 | } |
4181 | |
4204 | |
4182 | void |
4205 | void |
4183 | send (SV *self) |
4206 | send (SV *self) |
… | |
… | |
4191 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
4214 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
4192 | } |
4215 | } |
4193 | |
4216 | |
4194 | IV |
4217 | IV |
4195 | awaited (SV *self) |
4218 | awaited (SV *self) |
4196 | CODE: |
4219 | CODE: |
4197 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
4220 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
4198 | OUTPUT: |
4221 | OUTPUT: |
4199 | RETVAL |
4222 | RETVAL |
4200 | |
4223 | |
4201 | |
4224 | |
… | |
… | |
4206 | |
4229 | |
4207 | void |
4230 | void |
4208 | _schedule (...) |
4231 | _schedule (...) |
4209 | CODE: |
4232 | CODE: |
4210 | { |
4233 | { |
4211 | static int incede; |
4234 | static int incede; |
4212 | |
4235 | |
4213 | api_cede_notself (aTHX); |
4236 | api_cede_notself (aTHX); |
4214 | |
4237 | |
4215 | ++incede; |
4238 | ++incede; |
4216 | while (coro_nready >= incede && api_cede (aTHX)) |
4239 | while (coro_nready >= incede && api_cede (aTHX)) |
… | |
… | |
4260 | { |
4283 | { |
4261 | PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; |
4284 | PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; |
4262 | coro_old_pp_sselect = 0; |
4285 | coro_old_pp_sselect = 0; |
4263 | } |
4286 | } |
4264 | |
4287 | |
|
|
4288 | MODULE = Coro::State PACKAGE = Coro::Util |
|
|
4289 | |
|
|
4290 | void |
|
|
4291 | _exit (int code) |
|
|
4292 | CODE: |
|
|
4293 | _exit (code); |
|
|
4294 | |
|
|
4295 | NV |
|
|
4296 | time () |
|
|
4297 | CODE: |
|
|
4298 | RETVAL = nvtime (aTHX); |
|
|
4299 | OUTPUT: |
|
|
4300 | RETVAL |
|
|
4301 | |
|
|
4302 | NV |
|
|
4303 | gettimeofday () |
|
|
4304 | PPCODE: |
|
|
4305 | { |
|
|
4306 | UV tv [2]; |
|
|
4307 | u2time (aTHX_ tv); |
|
|
4308 | EXTEND (SP, 2); |
|
|
4309 | PUSHs (sv_2mortal (newSVuv (tv [0]))); |
|
|
4310 | PUSHs (sv_2mortal (newSVuv (tv [1]))); |
|
|
4311 | } |
|
|
4312 | |