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 |
… | |
… | |
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" |
17 | |
17 | |
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18 | #define ECB_NO_THREADS 1 |
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19 | #define ECB_NO_LIBM 1 |
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20 | #include "ecb.h" |
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21 | |
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22 | #include <stddef.h> |
18 | #include <stdio.h> |
23 | #include <stdio.h> |
19 | #include <errno.h> |
24 | #include <errno.h> |
20 | #include <assert.h> |
25 | #include <assert.h> |
21 | |
26 | |
22 | #ifndef SVs_PADSTALE |
27 | #ifndef SVs_PADSTALE |
23 | # 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 |
24 | #endif |
52 | #endif |
25 | |
53 | |
26 | #if defined(_WIN32) |
54 | #if defined(_WIN32) |
27 | # undef HAS_GETTIMEOFDAY |
55 | # undef HAS_GETTIMEOFDAY |
28 | # undef setjmp |
56 | # undef setjmp |
… | |
… | |
31 | # define setjmp _setjmp /* deep magic */ |
59 | # define setjmp _setjmp /* deep magic */ |
32 | #else |
60 | #else |
33 | # include <inttypes.h> /* most portable stdint.h */ |
61 | # include <inttypes.h> /* most portable stdint.h */ |
34 | #endif |
62 | #endif |
35 | |
63 | |
36 | #ifdef HAVE_MMAP |
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37 | # include <unistd.h> |
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38 | # include <sys/mman.h> |
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39 | # ifndef MAP_ANONYMOUS |
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40 | # ifdef MAP_ANON |
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41 | # define MAP_ANONYMOUS MAP_ANON |
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42 | # else |
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43 | # undef HAVE_MMAP |
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44 | # endif |
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45 | # endif |
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46 | # include <limits.h> |
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47 | # ifndef PAGESIZE |
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48 | # define PAGESIZE pagesize |
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49 | # define BOOT_PAGESIZE pagesize = sysconf (_SC_PAGESIZE) |
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50 | static long pagesize; |
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51 | # else |
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52 | # define BOOT_PAGESIZE (void)0 |
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53 | # endif |
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54 | #else |
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55 | # define PAGESIZE 0 |
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56 | # define BOOT_PAGESIZE (void)0 |
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57 | #endif |
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58 | |
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59 | #if CORO_USE_VALGRIND |
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60 | # include <valgrind/valgrind.h> |
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61 | #endif |
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62 | |
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63 | /* the maximum number of idle cctx that will be pooled */ |
64 | /* the maximum number of idle cctx that will be pooled */ |
64 | static int cctx_max_idle = 4; |
65 | static int cctx_max_idle = 4; |
65 | |
66 | |
66 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
67 | #if defined(DEBUGGING) && PERL_VERSION_ATLEAST(5,12,0) |
67 | # undef CORO_STACKGUARD |
68 | # define HAS_SCOPESTACK_NAME 1 |
68 | #endif |
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69 | |
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70 | #ifndef CORO_STACKGUARD |
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71 | # define CORO_STACKGUARD 0 |
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72 | #endif |
69 | #endif |
73 | |
70 | |
74 | /* prefer perl internal functions over our own? */ |
71 | /* prefer perl internal functions over our own? */ |
75 | #ifndef CORO_PREFER_PERL_FUNCTIONS |
72 | #ifndef CORO_PREFER_PERL_FUNCTIONS |
76 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
73 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
… | |
… | |
86 | # define STACKLEVEL ((void *)&stacklevel) |
83 | # define STACKLEVEL ((void *)&stacklevel) |
87 | #endif |
84 | #endif |
88 | |
85 | |
89 | #define IN_DESTRUCT PL_dirty |
86 | #define IN_DESTRUCT PL_dirty |
90 | |
87 | |
91 | #if __GNUC__ >= 3 |
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92 | # define attribute(x) __attribute__(x) |
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93 | # define expect(expr,value) __builtin_expect ((expr), (value)) |
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94 | # define INLINE static inline |
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95 | #else |
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96 | # define attribute(x) |
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97 | # define expect(expr,value) (expr) |
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98 | # define INLINE static |
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99 | #endif |
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100 | |
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101 | #define expect_false(expr) expect ((expr) != 0, 0) |
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102 | #define expect_true(expr) expect ((expr) != 0, 1) |
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103 | |
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104 | #define NOINLINE attribute ((noinline)) |
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105 | |
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106 | #include "CoroAPI.h" |
88 | #include "CoroAPI.h" |
107 | #define GCoroAPI (&coroapi) /* very sneaky */ |
89 | #define GCoroAPI (&coroapi) /* very sneaky */ |
108 | |
90 | |
109 | #ifdef USE_ITHREADS |
91 | #ifdef USE_ITHREADS |
110 | # if CORO_PTHREAD |
92 | # if CORO_PTHREAD |
… | |
… | |
182 | typedef struct coro_cctx |
164 | typedef struct coro_cctx |
183 | { |
165 | { |
184 | struct coro_cctx *next; |
166 | struct coro_cctx *next; |
185 | |
167 | |
186 | /* the stack */ |
168 | /* the stack */ |
187 | void *sptr; |
169 | struct coro_stack stack; |
188 | size_t ssize; |
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189 | |
170 | |
190 | /* cpu state */ |
171 | /* cpu state */ |
191 | 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 |
192 | 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 |
193 | JMPENV *top_env; |
176 | JMPENV *top_env; |
194 | coro_context cctx; |
177 | coro_context cctx; |
195 | |
178 | |
196 | U32 gen; |
179 | U32 gen; |
197 | #if CORO_USE_VALGRIND |
180 | #if CORO_USE_VALGRIND |
… | |
… | |
217 | }; |
200 | }; |
218 | |
201 | |
219 | /* 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 */ |
220 | typedef struct |
203 | typedef struct |
221 | { |
204 | { |
222 | SV *defsv; |
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223 | AV *defav; |
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224 | SV *errsv; |
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225 | SV *irsgv; |
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226 | HV *hinthv; |
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227 | #define VAR(name,type) type name; |
205 | #define VARx(name,expr,type) type name; |
228 | # include "state.h" |
206 | #include "state.h" |
229 | #undef VAR |
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230 | } perl_slots; |
207 | } perl_slots; |
231 | |
208 | |
232 | // how many context stack entries do we need for perl_slots |
209 | /* how many context stack entries do we need for perl_slots */ |
233 | #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)) |
234 | |
211 | |
235 | /* this is a structure representing a perl-level coroutine */ |
212 | /* this is a structure representing a perl-level coroutine */ |
236 | struct coro |
213 | struct coro |
237 | { |
214 | { |
… | |
… | |
303 | static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ |
280 | static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ |
304 | static CV *cv_coro_run; |
281 | static CV *cv_coro_run; |
305 | static struct coro *coro_first; |
282 | static struct coro *coro_first; |
306 | #define coro_nready coroapi.nready |
283 | #define coro_nready coroapi.nready |
307 | |
284 | |
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285 | /** JIT *********************************************************************/ |
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286 | |
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287 | #if CORO_JIT |
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288 | /* APPLE doesn't have mmap though */ |
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289 | #define CORO_JIT_UNIXY (__linux || __FreeBSD__ || __OpenBSD__ || __NetBSD__ || __solaris || __APPLE__) |
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290 | #ifndef CORO_JIT_TYPE |
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291 | #if ECB_AMD64 && CORO_JIT_UNIXY |
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292 | #define CORO_JIT_TYPE "amd64-unix" |
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293 | #elif __i386 && CORO_JIT_UNIXY |
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294 | #define CORO_JIT_TYPE "x86-unix" |
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295 | #endif |
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296 | #endif |
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297 | #endif |
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298 | |
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299 | #if !defined(CORO_JIT_TYPE) || _POSIX_MEMORY_PROTECTION <= 0 |
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300 | #undef CORO_JIT |
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301 | #endif |
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302 | |
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303 | #if CORO_JIT |
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304 | typedef void (*load_save_perl_slots_type)(perl_slots *); |
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305 | static load_save_perl_slots_type load_perl_slots, save_perl_slots; |
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306 | #endif |
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307 | |
308 | /** Coro::Select ************************************************************/ |
308 | /** Coro::Select ************************************************************/ |
309 | |
309 | |
310 | static OP *(*coro_old_pp_sselect) (pTHX); |
310 | static OP *(*coro_old_pp_sselect) (pTHX); |
311 | static SV *coro_select_select; |
311 | static SV *coro_select_select; |
312 | |
312 | |
… | |
… | |
327 | |
327 | |
328 | /** time stuff **************************************************************/ |
328 | /** time stuff **************************************************************/ |
329 | |
329 | |
330 | #ifdef HAS_GETTIMEOFDAY |
330 | #ifdef HAS_GETTIMEOFDAY |
331 | |
331 | |
332 | static void |
332 | ecb_inline void |
333 | coro_u2time (pTHX_ UV ret[2]) |
333 | coro_u2time (pTHX_ UV ret[2]) |
334 | { |
334 | { |
335 | struct timeval tv; |
335 | struct timeval tv; |
336 | gettimeofday (&tv, 0); |
336 | gettimeofday (&tv, 0); |
337 | |
337 | |
338 | ret [0] = tv.tv_sec; |
338 | ret [0] = tv.tv_sec; |
339 | ret [1] = tv.tv_usec; |
339 | ret [1] = tv.tv_usec; |
340 | } |
340 | } |
341 | |
341 | |
342 | static double |
342 | ecb_inline double |
343 | coro_nvtime () |
343 | coro_nvtime (void) |
344 | { |
344 | { |
345 | struct timeval tv; |
345 | struct timeval tv; |
346 | gettimeofday (&tv, 0); |
346 | gettimeofday (&tv, 0); |
347 | |
347 | |
348 | return tv.tv_sec + tv.tv_usec * 1e-6; |
348 | return tv.tv_sec + tv.tv_usec * 1e-6; |
349 | } |
349 | } |
350 | |
350 | |
351 | static void |
351 | ecb_inline void |
352 | time_init (pTHX) |
352 | time_init (pTHX) |
353 | { |
353 | { |
354 | nvtime = coro_nvtime; |
354 | nvtime = coro_nvtime; |
355 | u2time = coro_u2time; |
355 | u2time = coro_u2time; |
356 | } |
356 | } |
357 | |
357 | |
358 | #else |
358 | #else |
359 | |
359 | |
360 | static void |
360 | ecb_inline void |
361 | time_init (pTHX) |
361 | time_init (pTHX) |
362 | { |
362 | { |
363 | SV **svp; |
363 | SV **svp; |
364 | |
364 | |
365 | require_pv ("Time/HiRes.pm"); |
365 | require_pv ("Time/HiRes.pm"); |
366 | |
366 | |
367 | svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
367 | svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
368 | |
368 | |
369 | if (!svp) croak ("Time::HiRes is required, but missing. Caught"); |
369 | if (!svp) croak ("Time::HiRes is required, but missing. Caught"); |
370 | 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"); |
371 | |
371 | |
… | |
… | |
377 | |
377 | |
378 | #endif |
378 | #endif |
379 | |
379 | |
380 | /** lowlevel stuff **********************************************************/ |
380 | /** lowlevel stuff **********************************************************/ |
381 | |
381 | |
382 | static SV * |
382 | static SV * ecb_noinline |
383 | coro_get_sv (pTHX_ const char *name, int create) |
383 | coro_get_sv (pTHX_ const char *name, int create) |
384 | { |
384 | { |
385 | #if PERL_VERSION_ATLEAST (5,10,0) |
385 | #if PERL_VERSION_ATLEAST (5,10,0) |
386 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
386 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
387 | get_sv (name, create); |
387 | get_sv (name, create); |
388 | #endif |
388 | #endif |
389 | return get_sv (name, create); |
389 | return get_sv (name, create); |
390 | } |
390 | } |
391 | |
391 | |
392 | static AV * |
392 | static AV * ecb_noinline |
393 | coro_get_av (pTHX_ const char *name, int create) |
393 | coro_get_av (pTHX_ const char *name, int create) |
394 | { |
394 | { |
395 | #if PERL_VERSION_ATLEAST (5,10,0) |
395 | #if PERL_VERSION_ATLEAST (5,10,0) |
396 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
396 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
397 | get_av (name, create); |
397 | get_av (name, create); |
398 | #endif |
398 | #endif |
399 | return get_av (name, create); |
399 | return get_av (name, create); |
400 | } |
400 | } |
401 | |
401 | |
402 | static HV * |
402 | static HV * ecb_noinline |
403 | coro_get_hv (pTHX_ const char *name, int create) |
403 | coro_get_hv (pTHX_ const char *name, int create) |
404 | { |
404 | { |
405 | #if PERL_VERSION_ATLEAST (5,10,0) |
405 | #if PERL_VERSION_ATLEAST (5,10,0) |
406 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
406 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
407 | get_hv (name, create); |
407 | get_hv (name, create); |
408 | #endif |
408 | #endif |
409 | return get_hv (name, create); |
409 | return get_hv (name, create); |
410 | } |
410 | } |
411 | |
411 | |
412 | INLINE void |
412 | ecb_inline void |
413 | coro_times_update () |
413 | coro_times_update (void) |
414 | { |
414 | { |
415 | #ifdef coro_clock_gettime |
415 | #ifdef coro_clock_gettime |
416 | struct timespec ts; |
416 | struct timespec ts; |
417 | |
417 | |
418 | ts.tv_sec = ts.tv_nsec = 0; |
418 | ts.tv_sec = ts.tv_nsec = 0; |
… | |
… | |
430 | time_real [0] = tv [0]; |
430 | time_real [0] = tv [0]; |
431 | time_real [1] = tv [1] * 1000; |
431 | time_real [1] = tv [1] * 1000; |
432 | #endif |
432 | #endif |
433 | } |
433 | } |
434 | |
434 | |
435 | INLINE void |
435 | ecb_inline void |
436 | coro_times_add (struct coro *c) |
436 | coro_times_add (struct coro *c) |
437 | { |
437 | { |
438 | c->t_real [1] += time_real [1]; |
438 | c->t_real [1] += time_real [1]; |
439 | if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } |
439 | if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } |
440 | c->t_real [0] += time_real [0]; |
440 | c->t_real [0] += time_real [0]; |
… | |
… | |
442 | c->t_cpu [1] += time_cpu [1]; |
442 | c->t_cpu [1] += time_cpu [1]; |
443 | if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } |
443 | if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } |
444 | c->t_cpu [0] += time_cpu [0]; |
444 | c->t_cpu [0] += time_cpu [0]; |
445 | } |
445 | } |
446 | |
446 | |
447 | INLINE void |
447 | ecb_inline void |
448 | coro_times_sub (struct coro *c) |
448 | coro_times_sub (struct coro *c) |
449 | { |
449 | { |
450 | if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } |
450 | if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } |
451 | c->t_real [1] -= time_real [1]; |
451 | c->t_real [1] -= time_real [1]; |
452 | c->t_real [0] -= time_real [0]; |
452 | c->t_real [0] -= time_real [0]; |
… | |
… | |
460 | /* magic glue */ |
460 | /* magic glue */ |
461 | |
461 | |
462 | #define CORO_MAGIC_type_cv 26 |
462 | #define CORO_MAGIC_type_cv 26 |
463 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
463 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
464 | |
464 | |
465 | #define CORO_MAGIC_NN(sv, type) \ |
465 | #define CORO_MAGIC_NN(sv, type) \ |
466 | (expect_true (SvMAGIC (sv)->mg_type == type) \ |
466 | (ecb_expect_true (SvMAGIC (sv)->mg_type == type) \ |
467 | ? SvMAGIC (sv) \ |
467 | ? SvMAGIC (sv) \ |
468 | : mg_find (sv, type)) |
468 | : mg_find (sv, type)) |
469 | |
469 | |
470 | #define CORO_MAGIC(sv, type) \ |
470 | #define CORO_MAGIC(sv, type) \ |
471 | (expect_true (SvMAGIC (sv)) \ |
471 | (ecb_expect_true (SvMAGIC (sv)) \ |
472 | ? CORO_MAGIC_NN (sv, type) \ |
472 | ? CORO_MAGIC_NN (sv, type) \ |
473 | : 0) |
473 | : 0) |
474 | |
474 | |
475 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
475 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
476 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
476 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
477 | |
477 | |
478 | INLINE MAGIC * |
478 | ecb_inline MAGIC * |
479 | SvSTATEhv_p (pTHX_ SV *coro) |
479 | SvSTATEhv_p (pTHX_ SV *coro) |
480 | { |
480 | { |
481 | MAGIC *mg; |
481 | MAGIC *mg; |
482 | |
482 | |
483 | if (expect_true ( |
483 | if (ecb_expect_true ( |
484 | SvTYPE (coro) == SVt_PVHV |
484 | SvTYPE (coro) == SVt_PVHV |
485 | && (mg = CORO_MAGIC_state (coro)) |
485 | && (mg = CORO_MAGIC_state (coro)) |
486 | && mg->mg_virtual == &coro_state_vtbl |
486 | && mg->mg_virtual == &coro_state_vtbl |
487 | )) |
487 | )) |
488 | return mg; |
488 | return mg; |
489 | |
489 | |
490 | return 0; |
490 | return 0; |
491 | } |
491 | } |
492 | |
492 | |
493 | INLINE struct coro * |
493 | ecb_inline struct coro * |
494 | SvSTATE_ (pTHX_ SV *coro) |
494 | SvSTATE_ (pTHX_ SV *coro) |
495 | { |
495 | { |
496 | MAGIC *mg; |
496 | MAGIC *mg; |
497 | |
497 | |
498 | if (SvROK (coro)) |
498 | if (SvROK (coro)) |
499 | coro = SvRV (coro); |
499 | coro = SvRV (coro); |
500 | |
500 | |
501 | mg = SvSTATEhv_p (coro); |
501 | mg = SvSTATEhv_p (aTHX_ coro); |
502 | if (!mg) |
502 | if (!mg) |
503 | croak ("Coro::State object required"); |
503 | croak ("Coro::State object required"); |
504 | |
504 | |
505 | return (struct coro *)mg->mg_ptr; |
505 | return (struct coro *)mg->mg_ptr; |
506 | } |
506 | } |
… | |
… | |
512 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
512 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
513 | |
513 | |
514 | /*****************************************************************************/ |
514 | /*****************************************************************************/ |
515 | /* padlist management and caching */ |
515 | /* padlist management and caching */ |
516 | |
516 | |
517 | static AV * |
517 | ecb_inline PADLIST * |
518 | coro_derive_padlist (pTHX_ CV *cv) |
518 | coro_derive_padlist (pTHX_ CV *cv) |
519 | { |
519 | { |
520 | AV *padlist = CvPADLIST (cv); |
520 | PADLIST *padlist = CvPADLIST (cv); |
521 | AV *newpadlist, *newpad; |
521 | PADLIST *newpadlist; |
|
|
522 | PAD *newpad; |
|
|
523 | PADOFFSET off = PadlistMAX (padlist) + 1; |
522 | |
524 | |
523 | newpadlist = newAV (); |
525 | #if NEWPADAPI |
|
|
526 | |
|
|
527 | /* if we had the original CvDEPTH, we might be able to steal the CvDEPTH+1 entry instead */ |
|
|
528 | /* 20131102194744.GA6705@schmorp.de, 20131102195825.2013.qmail@lists-nntp.develooper.com */ |
|
|
529 | while (!PadlistARRAY (padlist)[off - 1]) |
|
|
530 | --off; |
|
|
531 | |
|
|
532 | Perl_pad_push (aTHX_ padlist, off); |
|
|
533 | |
|
|
534 | newpad = PadlistARRAY (padlist)[off]; |
|
|
535 | PadlistARRAY (padlist)[off] = 0; |
|
|
536 | |
|
|
537 | #else |
|
|
538 | |
|
|
539 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
540 | Perl_pad_push (aTHX_ padlist, off); |
|
|
541 | #else |
|
|
542 | Perl_pad_push (aTHX_ padlist, off, 1); |
|
|
543 | #endif |
|
|
544 | |
|
|
545 | newpad = PadlistARRAY (padlist)[off]; |
|
|
546 | PadlistMAX (padlist) = off - 1; |
|
|
547 | |
|
|
548 | #endif |
|
|
549 | |
|
|
550 | newPADLIST (newpadlist); |
|
|
551 | #if !PERL_VERSION_ATLEAST(5,15,3) |
|
|
552 | /* Padlists are AvREAL as of 5.15.3. See perl bug #98092 and perl commit 7d953ba. */ |
524 | AvREAL_off (newpadlist); |
553 | AvREAL_off (newpadlist); |
525 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
526 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1); |
|
|
527 | #else |
|
|
528 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
|
|
529 | #endif |
554 | #endif |
530 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
|
|
531 | --AvFILLp (padlist); |
|
|
532 | |
555 | |
533 | av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0])); |
556 | /* Already extended to 2 elements by newPADLIST. */ |
534 | av_store (newpadlist, 1, (SV *)newpad); |
557 | PadlistMAX (newpadlist) = 1; |
|
|
558 | PadlistNAMES (newpadlist) = (PADNAMELIST *)SvREFCNT_inc_NN (PadlistNAMES (padlist)); |
|
|
559 | PadlistARRAY (newpadlist)[1] = newpad; |
535 | |
560 | |
536 | return newpadlist; |
561 | return newpadlist; |
537 | } |
562 | } |
538 | |
563 | |
539 | static void |
564 | ecb_inline void |
540 | free_padlist (pTHX_ AV *padlist) |
565 | free_padlist (pTHX_ PADLIST *padlist) |
541 | { |
566 | { |
542 | /* may be during global destruction */ |
567 | /* may be during global destruction */ |
543 | if (!IN_DESTRUCT) |
568 | if (!IN_DESTRUCT) |
544 | { |
569 | { |
545 | I32 i = AvFILLp (padlist); |
570 | I32 i = PadlistMAX (padlist); |
546 | |
571 | |
547 | while (i > 0) /* special-case index 0 */ |
572 | while (i > 0) /* special-case index 0 */ |
548 | { |
573 | { |
549 | /* we try to be extra-careful here */ |
574 | /* we try to be extra-careful here */ |
550 | AV *av = (AV *)AvARRAY (padlist)[i--]; |
575 | PAD *pad = PadlistARRAY (padlist)[i--]; |
551 | I32 j = AvFILLp (av); |
|
|
552 | |
576 | |
|
|
577 | if (pad) |
|
|
578 | { |
|
|
579 | I32 j = PadMAX (pad); |
|
|
580 | |
553 | while (j >= 0) |
581 | while (j >= 0) |
554 | SvREFCNT_dec (AvARRAY (av)[j--]); |
582 | SvREFCNT_dec (PadARRAY (pad)[j--]); |
555 | |
583 | |
556 | AvFILLp (av) = -1; |
584 | PadMAX (pad) = -1; |
557 | SvREFCNT_dec (av); |
585 | SvREFCNT_dec (pad); |
|
|
586 | } |
558 | } |
587 | } |
559 | |
588 | |
560 | SvREFCNT_dec (AvARRAY (padlist)[0]); |
589 | SvREFCNT_dec (PadlistNAMES (padlist)); |
561 | |
590 | |
|
|
591 | #if NEWPADAPI |
|
|
592 | Safefree (PadlistARRAY (padlist)); |
|
|
593 | Safefree (padlist); |
|
|
594 | #else |
562 | AvFILLp (padlist) = -1; |
595 | AvFILLp (padlist) = -1; |
|
|
596 | AvREAL_off (padlist); |
563 | SvREFCNT_dec ((SV*)padlist); |
597 | SvREFCNT_dec ((SV*)padlist); |
|
|
598 | #endif |
564 | } |
599 | } |
565 | } |
600 | } |
566 | |
601 | |
567 | static int |
602 | static int |
568 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
603 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
569 | { |
604 | { |
570 | AV *padlist; |
605 | PADLIST *padlist; |
571 | 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; |
572 | |
608 | |
573 | /* perl manages to free our internal AV and _then_ call us */ |
609 | /* perl manages to free our internal AV and _then_ call us */ |
574 | if (IN_DESTRUCT) |
610 | if (IN_DESTRUCT) |
575 | return 0; |
611 | return 0; |
576 | |
612 | |
577 | /* casting is fun. */ |
613 | while (len--) |
578 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
|
|
579 | free_padlist (aTHX_ padlist); |
614 | free_padlist (aTHX_ padlists[len]); |
580 | |
|
|
581 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
|
|
582 | |
615 | |
583 | return 0; |
616 | return 0; |
584 | } |
617 | } |
585 | |
618 | |
586 | static MGVTBL coro_cv_vtbl = { |
619 | static MGVTBL coro_cv_vtbl = { |
587 | 0, 0, 0, 0, |
620 | 0, 0, 0, 0, |
588 | coro_cv_free |
621 | coro_cv_free |
589 | }; |
622 | }; |
590 | |
623 | |
591 | /* the next two functions merely cache the padlists */ |
624 | /* the next two functions merely cache the padlists */ |
592 | static void |
625 | ecb_inline void |
593 | get_padlist (pTHX_ CV *cv) |
626 | get_padlist (pTHX_ CV *cv) |
594 | { |
627 | { |
595 | MAGIC *mg = CORO_MAGIC_cv (cv); |
628 | MAGIC *mg = CORO_MAGIC_cv (cv); |
596 | AV *av; |
629 | size_t *lenp; |
597 | |
630 | |
598 | if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
631 | if (ecb_expect_true (mg && *(lenp = (size_t *)mg->mg_ptr))) |
599 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
632 | CvPADLIST (cv) = ((PADLIST **)(mg->mg_ptr + sizeof(size_t)))[--*lenp]; |
600 | else |
633 | else |
601 | { |
634 | { |
602 | #if CORO_PREFER_PERL_FUNCTIONS |
635 | #if CORO_PREFER_PERL_FUNCTIONS |
603 | /* this is probably cleaner? but also slower! */ |
636 | /* this is probably cleaner? but also slower! */ |
604 | /* in practise, it seems to be less stable */ |
637 | /* in practise, it seems to be less stable */ |
… | |
… | |
610 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
643 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
611 | #endif |
644 | #endif |
612 | } |
645 | } |
613 | } |
646 | } |
614 | |
647 | |
615 | static void |
648 | ecb_inline void |
616 | put_padlist (pTHX_ CV *cv) |
649 | put_padlist (pTHX_ CV *cv) |
617 | { |
650 | { |
618 | MAGIC *mg = CORO_MAGIC_cv (cv); |
651 | MAGIC *mg = CORO_MAGIC_cv (cv); |
619 | AV *av; |
|
|
620 | |
652 | |
621 | if (expect_false (!mg)) |
653 | if (ecb_expect_false (!mg)) |
|
|
654 | { |
622 | 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); |
623 | |
663 | |
624 | av = (AV *)mg->mg_obj; |
664 | ((PADLIST **)(mg->mg_ptr + sizeof (size_t))) [(*(size_t *)mg->mg_ptr)++] = CvPADLIST (cv); |
625 | |
|
|
626 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
|
|
627 | av_extend (av, AvFILLp (av) + 1); |
|
|
628 | |
|
|
629 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
|
|
630 | } |
665 | } |
631 | |
666 | |
632 | /** load & save, init *******************************************************/ |
667 | /** load & save, init *******************************************************/ |
633 | |
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 | |
634 | /* swap sv heads, at least logically */ |
707 | /* swap sv heads, at least logically */ |
635 | static void |
708 | static void |
636 | swap_svs (pTHX_ Coro__State c) |
709 | swap_svs (pTHX_ Coro__State c) |
637 | { |
710 | { |
638 | int i; |
711 | int i; |
639 | |
712 | |
640 | for (i = 0; i <= AvFILLp (c->swap_sv); ) |
713 | for (i = 0; i <= AvFILLp (c->swap_sv); i += 2) |
641 | { |
714 | swap_sv (AvARRAY (c->swap_sv)[i], AvARRAY (c->swap_sv)[i + 1]); |
642 | SV *a = AvARRAY (c->swap_sv)[i++]; |
|
|
643 | SV *b = AvARRAY (c->swap_sv)[i++]; |
|
|
644 | |
|
|
645 | const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */ |
|
|
646 | SV tmp; |
|
|
647 | |
|
|
648 | /* swap sv_any */ |
|
|
649 | SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp); |
|
|
650 | |
|
|
651 | /* swap sv_flags */ |
|
|
652 | SvFLAGS (&tmp) = SvFLAGS (a); |
|
|
653 | SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep); |
|
|
654 | SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep); |
|
|
655 | |
|
|
656 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
657 | /* perl 5.10 complicates this _quite_ a bit, but it also is |
|
|
658 | * much faster, so no quarrels here. alternatively, we could |
|
|
659 | * sv_upgrade to avoid this. |
|
|
660 | */ |
|
|
661 | { |
|
|
662 | /* swap sv_u */ |
|
|
663 | tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u; |
|
|
664 | |
|
|
665 | /* if SvANY points to the head, we need to adjust the pointers, |
|
|
666 | * as the pointer for a still points to b, and maybe vice versa. |
|
|
667 | */ |
|
|
668 | #define svany_in_head(type) \ |
|
|
669 | (((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type))) |
|
|
670 | |
|
|
671 | if (svany_in_head (SvTYPE (a))) |
|
|
672 | SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a); |
|
|
673 | |
|
|
674 | if (svany_in_head (SvTYPE (b))) |
|
|
675 | SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b); |
|
|
676 | } |
|
|
677 | #endif |
|
|
678 | } |
|
|
679 | } |
715 | } |
680 | |
716 | |
681 | #define SWAP_SVS(coro) \ |
717 | #define SWAP_SVS(coro) \ |
682 | if (expect_false ((coro)->swap_sv)) \ |
718 | if (ecb_expect_false ((coro)->swap_sv)) \ |
683 | swap_svs (aTHX_ (coro)) |
719 | swap_svs (aTHX_ (coro)) |
684 | |
720 | |
685 | static void |
721 | static void |
686 | on_enterleave_call (pTHX_ SV *cb); |
722 | on_enterleave_call (pTHX_ SV *cb); |
687 | |
723 | |
… | |
… | |
691 | perl_slots *slot = c->slot; |
727 | perl_slots *slot = c->slot; |
692 | c->slot = 0; |
728 | c->slot = 0; |
693 | |
729 | |
694 | PL_mainstack = c->mainstack; |
730 | PL_mainstack = c->mainstack; |
695 | |
731 | |
696 | GvSV (PL_defgv) = slot->defsv; |
732 | #if CORO_JIT |
697 | GvAV (PL_defgv) = slot->defav; |
733 | load_perl_slots (slot); |
698 | GvSV (PL_errgv) = slot->errsv; |
734 | #else |
699 | GvSV (irsgv) = slot->irsgv; |
|
|
700 | GvHV (PL_hintgv) = slot->hinthv; |
|
|
701 | |
|
|
702 | #define VAR(name,type) PL_ ## name = slot->name; |
735 | #define VARx(name,expr,type) expr = slot->name; |
703 | # include "state.h" |
736 | #include "state.h" |
704 | #undef VAR |
737 | #endif |
705 | |
738 | |
706 | { |
739 | { |
707 | dSP; |
740 | dSP; |
708 | |
741 | |
709 | CV *cv; |
742 | CV *cv; |
710 | |
743 | |
711 | /* now do the ugly restore mess */ |
744 | /* now do the ugly restore mess */ |
712 | while (expect_true (cv = (CV *)POPs)) |
745 | while (ecb_expect_true (cv = (CV *)POPs)) |
713 | { |
746 | { |
714 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
747 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
715 | CvDEPTH (cv) = PTR2IV (POPs); |
748 | CvDEPTH (cv) = PTR2IV (POPs); |
716 | CvPADLIST (cv) = (AV *)POPs; |
749 | CvPADLIST (cv) = (PADLIST *)POPs; |
717 | } |
750 | } |
718 | |
751 | |
719 | PUTBACK; |
752 | PUTBACK; |
720 | } |
753 | } |
721 | |
754 | |
722 | slf_frame = c->slf_frame; |
755 | slf_frame = c->slf_frame; |
723 | CORO_THROW = c->except; |
756 | CORO_THROW = c->except; |
724 | |
757 | |
725 | if (expect_false (enable_times)) |
758 | if (ecb_expect_false (enable_times)) |
726 | { |
759 | { |
727 | if (expect_false (!times_valid)) |
760 | if (ecb_expect_false (!times_valid)) |
728 | coro_times_update (); |
761 | coro_times_update (); |
729 | |
762 | |
730 | coro_times_sub (c); |
763 | coro_times_sub (c); |
731 | } |
764 | } |
732 | |
765 | |
733 | if (expect_false (c->on_enter)) |
766 | if (ecb_expect_false (c->on_enter)) |
734 | { |
767 | { |
735 | int i; |
768 | int i; |
736 | |
769 | |
737 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
770 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
738 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
771 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
… | |
… | |
744 | static void |
777 | static void |
745 | save_perl (pTHX_ Coro__State c) |
778 | save_perl (pTHX_ Coro__State c) |
746 | { |
779 | { |
747 | SWAP_SVS (c); |
780 | SWAP_SVS (c); |
748 | |
781 | |
749 | if (expect_false (c->on_leave)) |
782 | if (ecb_expect_false (c->on_leave)) |
750 | { |
783 | { |
751 | int i; |
784 | int i; |
752 | |
785 | |
753 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
786 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
754 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
787 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
755 | } |
788 | } |
756 | |
789 | |
757 | times_valid = 0; |
790 | times_valid = 0; |
758 | |
791 | |
759 | if (expect_false (enable_times)) |
792 | if (ecb_expect_false (enable_times)) |
760 | { |
793 | { |
761 | coro_times_update (); times_valid = 1; |
794 | coro_times_update (); times_valid = 1; |
762 | coro_times_add (c); |
795 | coro_times_add (c); |
763 | } |
796 | } |
764 | |
797 | |
… | |
… | |
778 | |
811 | |
779 | XPUSHs (Nullsv); |
812 | XPUSHs (Nullsv); |
780 | /* this loop was inspired by pp_caller */ |
813 | /* this loop was inspired by pp_caller */ |
781 | for (;;) |
814 | for (;;) |
782 | { |
815 | { |
783 | while (expect_true (cxix >= 0)) |
816 | while (ecb_expect_true (cxix >= 0)) |
784 | { |
817 | { |
785 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
818 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
786 | |
819 | |
787 | if (expect_true (CxTYPE (cx) == CXt_SUB) || expect_false (CxTYPE (cx) == CXt_FORMAT)) |
820 | if (ecb_expect_true (CxTYPE (cx) == CXt_SUB) || ecb_expect_false (CxTYPE (cx) == CXt_FORMAT)) |
788 | { |
821 | { |
789 | CV *cv = cx->blk_sub.cv; |
822 | CV *cv = cx->blk_sub.cv; |
790 | |
823 | |
791 | if (expect_true (CvDEPTH (cv))) |
824 | if (ecb_expect_true (CvDEPTH (cv))) |
792 | { |
825 | { |
793 | EXTEND (SP, 3); |
826 | EXTEND (SP, 3); |
794 | PUSHs ((SV *)CvPADLIST (cv)); |
827 | PUSHs ((SV *)CvPADLIST (cv)); |
795 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
828 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
796 | PUSHs ((SV *)cv); |
829 | PUSHs ((SV *)cv); |
… | |
… | |
799 | get_padlist (aTHX_ cv); |
832 | get_padlist (aTHX_ cv); |
800 | } |
833 | } |
801 | } |
834 | } |
802 | } |
835 | } |
803 | |
836 | |
804 | if (expect_true (top_si->si_type == PERLSI_MAIN)) |
837 | if (ecb_expect_true (top_si->si_type == PERLSI_MAIN)) |
805 | break; |
838 | break; |
806 | |
839 | |
807 | top_si = top_si->si_prev; |
840 | top_si = top_si->si_prev; |
808 | ccstk = top_si->si_cxstack; |
841 | ccstk = top_si->si_cxstack; |
809 | cxix = top_si->si_cxix; |
842 | cxix = top_si->si_cxix; |
… | |
… | |
811 | |
844 | |
812 | PUTBACK; |
845 | PUTBACK; |
813 | } |
846 | } |
814 | |
847 | |
815 | /* allocate some space on the context stack for our purposes */ |
848 | /* allocate some space on the context stack for our purposes */ |
816 | if (expect_false (cxstack_ix + SLOT_COUNT >= cxstack_max)) |
849 | if (ecb_expect_false (cxstack_ix + (int)SLOT_COUNT >= cxstack_max)) |
817 | { |
850 | { |
818 | unsigned int i; |
851 | unsigned int i; |
819 | |
852 | |
820 | for (i = 0; i < SLOT_COUNT; ++i) |
853 | for (i = 0; i < SLOT_COUNT; ++i) |
821 | CXINC; |
854 | CXINC; |
… | |
… | |
826 | c->mainstack = PL_mainstack; |
859 | c->mainstack = PL_mainstack; |
827 | |
860 | |
828 | { |
861 | { |
829 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
862 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
830 | |
863 | |
831 | slot->defav = GvAV (PL_defgv); |
864 | #if CORO_JIT |
832 | slot->defsv = DEFSV; |
865 | save_perl_slots (slot); |
833 | slot->errsv = ERRSV; |
866 | #else |
834 | slot->irsgv = GvSV (irsgv); |
|
|
835 | slot->hinthv = GvHV (PL_hintgv); |
|
|
836 | |
|
|
837 | #define VAR(name,type) slot->name = PL_ ## name; |
867 | #define VARx(name,expr,type) slot->name = expr; |
838 | # include "state.h" |
868 | #include "state.h" |
839 | #undef VAR |
869 | #endif |
840 | } |
870 | } |
841 | } |
871 | } |
842 | |
872 | |
843 | /* |
873 | /* |
844 | * allocate various perl stacks. This is almost an exact copy |
874 | * allocate various perl stacks. This is almost an exact copy |
… | |
… | |
875 | #endif |
905 | #endif |
876 | |
906 | |
877 | New(54,PL_scopestack,8,I32); |
907 | New(54,PL_scopestack,8,I32); |
878 | PL_scopestack_ix = 0; |
908 | PL_scopestack_ix = 0; |
879 | 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 |
880 | |
913 | |
881 | New(54,PL_savestack,24,ANY); |
914 | New(54,PL_savestack,24,ANY); |
882 | PL_savestack_ix = 0; |
915 | PL_savestack_ix = 0; |
883 | PL_savestack_max = 24; |
916 | PL_savestack_max = 24; |
884 | |
917 | |
… | |
… | |
912 | } |
945 | } |
913 | |
946 | |
914 | Safefree (PL_tmps_stack); |
947 | Safefree (PL_tmps_stack); |
915 | Safefree (PL_markstack); |
948 | Safefree (PL_markstack); |
916 | Safefree (PL_scopestack); |
949 | Safefree (PL_scopestack); |
|
|
950 | #if HAS_SCOPESTACK_NAME |
|
|
951 | Safefree (PL_scopestack_name); |
|
|
952 | #endif |
917 | Safefree (PL_savestack); |
953 | Safefree (PL_savestack); |
918 | #if !PERL_VERSION_ATLEAST (5,10,0) |
954 | #if !PERL_VERSION_ATLEAST (5,10,0) |
919 | Safefree (PL_retstack); |
955 | Safefree (PL_retstack); |
920 | #endif |
956 | #endif |
921 | } |
957 | } |
… | |
… | |
967 | #endif |
1003 | #endif |
968 | |
1004 | |
969 | /* |
1005 | /* |
970 | * This overrides the default magic get method of %SIG elements. |
1006 | * This overrides the default magic get method of %SIG elements. |
971 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
1007 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
972 | * and instead of trying to save and restore the hash elements, we just provide |
1008 | * and instead of trying to save and restore the hash elements (extremely slow), |
973 | * readback here. |
1009 | * we just provide our own readback here. |
974 | */ |
1010 | */ |
975 | static int |
1011 | static int ecb_cold |
976 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
1012 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
977 | { |
1013 | { |
978 | const char *s = MgPV_nolen_const (mg); |
1014 | const char *s = MgPV_nolen_const (mg); |
979 | |
1015 | |
980 | if (*s == '_') |
1016 | if (*s == '_') |
981 | { |
1017 | { |
982 | SV **svp = 0; |
1018 | SV **svp = 0; |
983 | |
1019 | |
984 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
1020 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
985 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
1021 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
986 | |
1022 | |
987 | if (svp) |
1023 | if (svp) |
988 | { |
1024 | { |
989 | 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); |
990 | return 0; |
1035 | return 0; |
991 | } |
1036 | } |
992 | } |
1037 | } |
993 | |
1038 | |
994 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
1039 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
995 | } |
1040 | } |
996 | |
1041 | |
997 | static int |
1042 | static int ecb_cold |
998 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
1043 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
999 | { |
1044 | { |
1000 | const char *s = MgPV_nolen_const (mg); |
1045 | const char *s = MgPV_nolen_const (mg); |
1001 | |
1046 | |
1002 | if (*s == '_') |
1047 | if (*s == '_') |
… | |
… | |
1016 | } |
1061 | } |
1017 | |
1062 | |
1018 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
1063 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
1019 | } |
1064 | } |
1020 | |
1065 | |
1021 | static int |
1066 | static int ecb_cold |
1022 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
1067 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
1023 | { |
1068 | { |
1024 | const char *s = MgPV_nolen_const (mg); |
1069 | const char *s = MgPV_nolen_const (mg); |
1025 | |
1070 | |
1026 | if (*s == '_') |
1071 | if (*s == '_') |
… | |
… | |
1061 | return 1; |
1106 | return 1; |
1062 | } |
1107 | } |
1063 | |
1108 | |
1064 | static UNOP init_perl_op; |
1109 | static UNOP init_perl_op; |
1065 | |
1110 | |
1066 | static void NOINLINE /* noinline to keep it out of the transfer fast path */ |
1111 | ecb_noinline static void /* noinline to keep it out of the transfer fast path */ |
1067 | init_perl (pTHX_ struct coro *coro) |
1112 | init_perl (pTHX_ struct coro *coro) |
1068 | { |
1113 | { |
1069 | /* |
1114 | /* |
1070 | * emulate part of the perl startup here. |
1115 | * emulate part of the perl startup here. |
1071 | */ |
1116 | */ |
… | |
… | |
1086 | PL_parser = 0; |
1131 | PL_parser = 0; |
1087 | #endif |
1132 | #endif |
1088 | PL_hints = 0; |
1133 | PL_hints = 0; |
1089 | |
1134 | |
1090 | /* recreate the die/warn hooks */ |
1135 | /* recreate the die/warn hooks */ |
1091 | PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); |
1136 | PL_diehook = SvREFCNT_inc (rv_diehook); |
1092 | PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook); |
1137 | PL_warnhook = SvREFCNT_inc (rv_warnhook); |
1093 | |
1138 | |
1094 | GvSV (PL_defgv) = newSV (0); |
1139 | GvSV (PL_defgv) = newSV (0); |
1095 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1140 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1096 | GvSV (PL_errgv) = newSV (0); |
1141 | GvSV (PL_errgv) = newSV (0); |
1097 | 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); |
1098 | GvHV (PL_hintgv) = 0; |
1143 | GvHV (PL_hintgv) = 0; |
… | |
… | |
1133 | /* copy throw, in case it was set before init_perl */ |
1178 | /* copy throw, in case it was set before init_perl */ |
1134 | CORO_THROW = coro->except; |
1179 | CORO_THROW = coro->except; |
1135 | |
1180 | |
1136 | SWAP_SVS (coro); |
1181 | SWAP_SVS (coro); |
1137 | |
1182 | |
1138 | if (expect_false (enable_times)) |
1183 | if (ecb_expect_false (enable_times)) |
1139 | { |
1184 | { |
1140 | coro_times_update (); |
1185 | coro_times_update (); |
1141 | coro_times_sub (coro); |
1186 | coro_times_sub (coro); |
1142 | } |
1187 | } |
1143 | } |
1188 | } |
… | |
… | |
1186 | /* restore swapped sv's */ |
1231 | /* restore swapped sv's */ |
1187 | SWAP_SVS (coro); |
1232 | SWAP_SVS (coro); |
1188 | |
1233 | |
1189 | coro_destruct_stacks (aTHX); |
1234 | coro_destruct_stacks (aTHX); |
1190 | |
1235 | |
1191 | // now save some sv's to be free'd later |
1236 | /* now save some sv's to be free'd later */ |
1192 | svf [0] = GvSV (PL_defgv); |
1237 | svf [0] = GvSV (PL_defgv); |
1193 | svf [1] = (SV *)GvAV (PL_defgv); |
1238 | svf [1] = (SV *)GvAV (PL_defgv); |
1194 | svf [2] = GvSV (PL_errgv); |
1239 | svf [2] = GvSV (PL_errgv); |
1195 | svf [3] = (SV *)PL_defoutgv; |
1240 | svf [3] = (SV *)PL_defoutgv; |
1196 | svf [4] = PL_rs; |
1241 | svf [4] = PL_rs; |
… | |
… | |
1216 | SvREFCNT_dec (coro->invoke_cb); |
1261 | SvREFCNT_dec (coro->invoke_cb); |
1217 | SvREFCNT_dec (coro->invoke_av); |
1262 | SvREFCNT_dec (coro->invoke_av); |
1218 | } |
1263 | } |
1219 | } |
1264 | } |
1220 | |
1265 | |
1221 | INLINE void |
1266 | ecb_inline void |
1222 | free_coro_mortal (pTHX) |
1267 | free_coro_mortal (pTHX) |
1223 | { |
1268 | { |
1224 | if (expect_true (coro_mortal)) |
1269 | if (ecb_expect_true (coro_mortal)) |
1225 | { |
1270 | { |
1226 | SvREFCNT_dec ((SV *)coro_mortal); |
1271 | SvREFCNT_dec ((SV *)coro_mortal); |
1227 | coro_mortal = 0; |
1272 | coro_mortal = 0; |
1228 | } |
1273 | } |
1229 | } |
1274 | } |
… | |
… | |
1364 | |
1409 | |
1365 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1410 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1366 | } |
1411 | } |
1367 | |
1412 | |
1368 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1413 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1369 | static void NOINLINE |
1414 | static void ecb_noinline |
1370 | cctx_prepare (pTHX) |
1415 | cctx_prepare (pTHX) |
1371 | { |
1416 | { |
1372 | PL_top_env = &PL_start_env; |
1417 | PL_top_env = &PL_start_env; |
1373 | |
1418 | |
1374 | if (cctx_current->flags & CC_TRACE) |
1419 | if (cctx_current->flags & CC_TRACE) |
… | |
… | |
1385 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1430 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1386 | slf_frame.check = slf_check_set_stacklevel; |
1431 | slf_frame.check = slf_check_set_stacklevel; |
1387 | } |
1432 | } |
1388 | |
1433 | |
1389 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1434 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1390 | INLINE void |
1435 | ecb_inline void |
1391 | transfer_tail (pTHX) |
1436 | transfer_tail (pTHX) |
1392 | { |
1437 | { |
1393 | free_coro_mortal (aTHX); |
1438 | free_coro_mortal (aTHX); |
|
|
1439 | } |
|
|
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); |
1394 | } |
1451 | } |
1395 | |
1452 | |
1396 | /* |
1453 | /* |
1397 | * this is a _very_ stripped down perl interpreter ;) |
1454 | * this is a _very_ stripped down perl interpreter ;) |
1398 | */ |
1455 | */ |
… | |
… | |
1427 | */ |
1484 | */ |
1428 | |
1485 | |
1429 | /* |
1486 | /* |
1430 | * 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 |
1431 | * 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) |
1432 | * 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 |
1433 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
1490 | * doing in that case. YMMV. |
1434 | * coroutine as Coro has no such concept. |
|
|
1435 | * This actually isn't valid with the pthread backend, but OSes requiring |
|
|
1436 | * that backend are too broken to do it in a standards-compliant way. |
|
|
1437 | */ |
1491 | */ |
1438 | PL_top_env = main_top_env; |
1492 | perlish_exit (aTHX); |
1439 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
|
|
1440 | } |
1493 | } |
1441 | } |
1494 | } |
1442 | |
1495 | |
1443 | static coro_cctx * |
1496 | static coro_cctx * |
1444 | cctx_new () |
1497 | cctx_new (void) |
1445 | { |
1498 | { |
1446 | coro_cctx *cctx; |
1499 | coro_cctx *cctx; |
1447 | |
1500 | |
1448 | ++cctx_count; |
1501 | ++cctx_count; |
1449 | New (0, cctx, 1, coro_cctx); |
1502 | New (0, cctx, 1, coro_cctx); |
… | |
… | |
1455 | return cctx; |
1508 | return cctx; |
1456 | } |
1509 | } |
1457 | |
1510 | |
1458 | /* create a new cctx only suitable as source */ |
1511 | /* create a new cctx only suitable as source */ |
1459 | static coro_cctx * |
1512 | static coro_cctx * |
1460 | cctx_new_empty () |
1513 | cctx_new_empty (void) |
1461 | { |
1514 | { |
1462 | coro_cctx *cctx = cctx_new (); |
1515 | coro_cctx *cctx = cctx_new (); |
1463 | |
1516 | |
1464 | cctx->sptr = 0; |
1517 | cctx->stack.sptr = 0; |
1465 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
1518 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
1466 | |
1519 | |
1467 | return cctx; |
1520 | return cctx; |
1468 | } |
1521 | } |
1469 | |
1522 | |
1470 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1523 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1471 | static coro_cctx * |
1524 | static coro_cctx * |
1472 | cctx_new_run () |
1525 | cctx_new_run (void) |
1473 | { |
1526 | { |
1474 | coro_cctx *cctx = cctx_new (); |
1527 | coro_cctx *cctx = cctx_new (); |
1475 | void *stack_start; |
|
|
1476 | size_t stack_size; |
|
|
1477 | |
1528 | |
1478 | #if HAVE_MMAP |
1529 | if (!coro_stack_alloc (&cctx->stack, cctx_stacksize)) |
1479 | cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
|
|
1480 | /* mmap supposedly does allocate-on-write for us */ |
|
|
1481 | cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
|
|
1482 | |
|
|
1483 | if (cctx->sptr != (void *)-1) |
|
|
1484 | { |
|
|
1485 | #if CORO_STACKGUARD |
|
|
1486 | mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); |
|
|
1487 | #endif |
|
|
1488 | stack_start = (char *)cctx->sptr + CORO_STACKGUARD * PAGESIZE; |
|
|
1489 | stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE; |
|
|
1490 | cctx->flags |= CC_MAPPED; |
|
|
1491 | } |
1530 | { |
1492 | else |
|
|
1493 | #endif |
|
|
1494 | { |
|
|
1495 | cctx->ssize = cctx_stacksize * (long)sizeof (long); |
|
|
1496 | New (0, cctx->sptr, cctx_stacksize, long); |
|
|
1497 | |
|
|
1498 | if (!cctx->sptr) |
|
|
1499 | { |
|
|
1500 | perror ("FATAL: unable to allocate stack for coroutine, exiting."); |
1531 | perror ("FATAL: unable to allocate stack for coroutine, exiting."); |
1501 | _exit (EXIT_FAILURE); |
1532 | _exit (EXIT_FAILURE); |
1502 | } |
|
|
1503 | |
|
|
1504 | stack_start = cctx->sptr; |
|
|
1505 | stack_size = cctx->ssize; |
|
|
1506 | } |
1533 | } |
1507 | |
1534 | |
1508 | #if CORO_USE_VALGRIND |
|
|
1509 | cctx->valgrind_id = VALGRIND_STACK_REGISTER ((char *)stack_start, (char *)stack_start + stack_size); |
|
|
1510 | #endif |
|
|
1511 | |
|
|
1512 | 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); |
1513 | |
1536 | |
1514 | return cctx; |
1537 | return cctx; |
1515 | } |
1538 | } |
1516 | |
1539 | |
1517 | static void |
1540 | static void |
… | |
… | |
1523 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current)); |
1546 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current)); |
1524 | |
1547 | |
1525 | --cctx_count; |
1548 | --cctx_count; |
1526 | coro_destroy (&cctx->cctx); |
1549 | coro_destroy (&cctx->cctx); |
1527 | |
1550 | |
1528 | /* coro_transfer creates new, empty cctx's */ |
1551 | coro_stack_free (&cctx->stack); |
1529 | if (cctx->sptr) |
|
|
1530 | { |
|
|
1531 | #if CORO_USE_VALGRIND |
|
|
1532 | VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); |
|
|
1533 | #endif |
|
|
1534 | |
|
|
1535 | #if HAVE_MMAP |
|
|
1536 | if (cctx->flags & CC_MAPPED) |
|
|
1537 | munmap (cctx->sptr, cctx->ssize); |
|
|
1538 | else |
|
|
1539 | #endif |
|
|
1540 | Safefree (cctx->sptr); |
|
|
1541 | } |
|
|
1542 | |
1552 | |
1543 | Safefree (cctx); |
1553 | Safefree (cctx); |
1544 | } |
1554 | } |
1545 | |
1555 | |
1546 | /* wether this cctx should be destructed */ |
1556 | /* wether this cctx should be destructed */ |
1547 | #define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) |
1557 | #define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) |
1548 | |
1558 | |
1549 | static coro_cctx * |
1559 | static coro_cctx * |
1550 | cctx_get (pTHX) |
1560 | cctx_get (pTHX) |
1551 | { |
1561 | { |
1552 | while (expect_true (cctx_first)) |
1562 | while (ecb_expect_true (cctx_first)) |
1553 | { |
1563 | { |
1554 | coro_cctx *cctx = cctx_first; |
1564 | coro_cctx *cctx = cctx_first; |
1555 | cctx_first = cctx->next; |
1565 | cctx_first = cctx->next; |
1556 | --cctx_idle; |
1566 | --cctx_idle; |
1557 | |
1567 | |
1558 | if (expect_true (!CCTX_EXPIRED (cctx))) |
1568 | if (ecb_expect_true (!CCTX_EXPIRED (cctx))) |
1559 | return cctx; |
1569 | return cctx; |
1560 | |
1570 | |
1561 | cctx_destroy (cctx); |
1571 | cctx_destroy (cctx); |
1562 | } |
1572 | } |
1563 | |
1573 | |
… | |
… | |
1565 | } |
1575 | } |
1566 | |
1576 | |
1567 | static void |
1577 | static void |
1568 | cctx_put (coro_cctx *cctx) |
1578 | cctx_put (coro_cctx *cctx) |
1569 | { |
1579 | { |
1570 | 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)); |
1571 | |
1581 | |
1572 | /* free another cctx if overlimit */ |
1582 | /* free another cctx if overlimit */ |
1573 | if (expect_false (cctx_idle >= cctx_max_idle)) |
1583 | if (ecb_expect_false (cctx_idle >= cctx_max_idle)) |
1574 | { |
1584 | { |
1575 | coro_cctx *first = cctx_first; |
1585 | coro_cctx *first = cctx_first; |
1576 | cctx_first = first->next; |
1586 | cctx_first = first->next; |
1577 | --cctx_idle; |
1587 | --cctx_idle; |
1578 | |
1588 | |
… | |
… | |
1589 | static void |
1599 | static void |
1590 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1600 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1591 | { |
1601 | { |
1592 | /* TODO: throwing up here is considered harmful */ |
1602 | /* TODO: throwing up here is considered harmful */ |
1593 | |
1603 | |
1594 | if (expect_true (prev != next)) |
1604 | if (ecb_expect_true (prev != next)) |
1595 | { |
1605 | { |
1596 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1606 | if (ecb_expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1597 | croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); |
1607 | croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); |
1598 | |
1608 | |
1599 | if (expect_false (next->flags & (CF_RUNNING | CF_ZOMBIE | CF_SUSPENDED))) |
1609 | if (ecb_expect_false (next->flags & (CF_RUNNING | CF_ZOMBIE | CF_SUSPENDED))) |
1600 | croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); |
1610 | croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); |
1601 | |
1611 | |
1602 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1612 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1603 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1613 | if (ecb_expect_false (PL_lex_state != LEX_NOTPARSING)) |
1604 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1614 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1605 | #endif |
1615 | #endif |
1606 | } |
1616 | } |
1607 | } |
1617 | } |
1608 | |
1618 | |
1609 | /* always use the TRANSFER macro */ |
1619 | /* always use the TRANSFER macro */ |
1610 | static void NOINLINE /* noinline so we have a fixed stackframe */ |
1620 | static void ecb_noinline /* noinline so we have a fixed stackframe */ |
1611 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1621 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1612 | { |
1622 | { |
1613 | dSTACKLEVEL; |
1623 | dSTACKLEVEL; |
1614 | |
1624 | |
1615 | /* sometimes transfer is only called to set idle_sp */ |
1625 | /* sometimes transfer is only called to set idle_sp */ |
1616 | if (expect_false (!prev)) |
1626 | if (ecb_expect_false (!prev)) |
1617 | { |
1627 | { |
1618 | cctx_current->idle_sp = STACKLEVEL; |
1628 | cctx_current->idle_sp = STACKLEVEL; |
1619 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1629 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1620 | } |
1630 | } |
1621 | else if (expect_true (prev != next)) |
1631 | else if (ecb_expect_true (prev != next)) |
1622 | { |
1632 | { |
1623 | coro_cctx *cctx_prev; |
1633 | coro_cctx *cctx_prev; |
1624 | |
1634 | |
1625 | if (expect_false (prev->flags & CF_NEW)) |
1635 | if (ecb_expect_false (prev->flags & CF_NEW)) |
1626 | { |
1636 | { |
1627 | /* create a new empty/source context */ |
1637 | /* create a new empty/source context */ |
1628 | prev->flags &= ~CF_NEW; |
1638 | prev->flags &= ~CF_NEW; |
1629 | prev->flags |= CF_RUNNING; |
1639 | prev->flags |= CF_RUNNING; |
1630 | } |
1640 | } |
… | |
… | |
1633 | next->flags |= CF_RUNNING; |
1643 | next->flags |= CF_RUNNING; |
1634 | |
1644 | |
1635 | /* first get rid of the old state */ |
1645 | /* first get rid of the old state */ |
1636 | save_perl (aTHX_ prev); |
1646 | save_perl (aTHX_ prev); |
1637 | |
1647 | |
1638 | if (expect_false (next->flags & CF_NEW)) |
1648 | if (ecb_expect_false (next->flags & CF_NEW)) |
1639 | { |
1649 | { |
1640 | /* need to start coroutine */ |
1650 | /* need to start coroutine */ |
1641 | next->flags &= ~CF_NEW; |
1651 | next->flags &= ~CF_NEW; |
1642 | /* setup coroutine call */ |
1652 | /* setup coroutine call */ |
1643 | init_perl (aTHX_ next); |
1653 | init_perl (aTHX_ next); |
1644 | } |
1654 | } |
1645 | else |
1655 | else |
1646 | load_perl (aTHX_ next); |
1656 | load_perl (aTHX_ next); |
1647 | |
1657 | |
1648 | /* possibly untie and reuse the cctx */ |
1658 | /* possibly untie and reuse the cctx */ |
1649 | if (expect_true ( |
1659 | if (ecb_expect_true ( |
1650 | cctx_current->idle_sp == STACKLEVEL |
1660 | cctx_current->idle_sp == STACKLEVEL |
1651 | && !(cctx_current->flags & CC_TRACE) |
1661 | && !(cctx_current->flags & CC_TRACE) |
1652 | && !force_cctx |
1662 | && !force_cctx |
1653 | )) |
1663 | )) |
1654 | { |
1664 | { |
1655 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1665 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1656 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1666 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1657 | |
1667 | |
1658 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1668 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1659 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1669 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1660 | if (expect_false (CCTX_EXPIRED (cctx_current))) |
1670 | if (ecb_expect_false (CCTX_EXPIRED (cctx_current))) |
1661 | if (expect_true (!next->cctx)) |
1671 | if (ecb_expect_true (!next->cctx)) |
1662 | next->cctx = cctx_get (aTHX); |
1672 | next->cctx = cctx_get (aTHX); |
1663 | |
1673 | |
1664 | cctx_put (cctx_current); |
1674 | cctx_put (cctx_current); |
1665 | } |
1675 | } |
1666 | else |
1676 | else |
1667 | prev->cctx = cctx_current; |
1677 | prev->cctx = cctx_current; |
1668 | |
1678 | |
1669 | ++next->usecount; |
1679 | ++next->usecount; |
1670 | |
1680 | |
1671 | cctx_prev = cctx_current; |
1681 | cctx_prev = cctx_current; |
1672 | cctx_current = expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1682 | cctx_current = ecb_expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1673 | |
1683 | |
1674 | next->cctx = 0; |
1684 | next->cctx = 0; |
1675 | |
1685 | |
1676 | if (expect_false (cctx_prev != cctx_current)) |
1686 | if (ecb_expect_false (cctx_prev != cctx_current)) |
1677 | { |
1687 | { |
1678 | cctx_prev->top_env = PL_top_env; |
1688 | cctx_prev->top_env = PL_top_env; |
1679 | PL_top_env = cctx_current->top_env; |
1689 | PL_top_env = cctx_current->top_env; |
1680 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1690 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1681 | } |
1691 | } |
… | |
… | |
1701 | return; |
1711 | return; |
1702 | |
1712 | |
1703 | slf_destroy (aTHX_ coro); |
1713 | slf_destroy (aTHX_ coro); |
1704 | |
1714 | |
1705 | coro->flags |= CF_ZOMBIE; |
1715 | coro->flags |= CF_ZOMBIE; |
1706 | |
1716 | |
1707 | if (coro->flags & CF_READY) |
1717 | if (coro->flags & CF_READY) |
1708 | { |
1718 | { |
1709 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1719 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1710 | /* alternative: look through all ready queues and remove the coro */ |
1720 | /* alternative: look through all ready queues and remove the coro */ |
1711 | --coro_nready; |
1721 | --coro_nready; |
… | |
… | |
1727 | SvREFCNT_dec (coro->startcv); |
1737 | SvREFCNT_dec (coro->startcv); |
1728 | SvREFCNT_dec (coro->args); |
1738 | SvREFCNT_dec (coro->args); |
1729 | SvREFCNT_dec (coro->swap_sv); |
1739 | SvREFCNT_dec (coro->swap_sv); |
1730 | SvREFCNT_dec (CORO_THROW); |
1740 | SvREFCNT_dec (CORO_THROW); |
1731 | |
1741 | |
1732 | coro_call_on_destroy (coro); |
1742 | coro_call_on_destroy (aTHX_ coro); |
1733 | |
1743 | |
1734 | /* more destruction mayhem in coro_state_free */ |
1744 | /* more destruction mayhem in coro_state_free */ |
1735 | } |
1745 | } |
1736 | |
1746 | |
1737 | static int |
1747 | static int |
1738 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1748 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1739 | { |
1749 | { |
1740 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1750 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1741 | mg->mg_ptr = 0; |
1751 | mg->mg_ptr = 0; |
1742 | |
1752 | |
1743 | coro_state_destroy (coro); |
1753 | coro_state_destroy (aTHX_ coro); |
1744 | SvREFCNT_dec (coro->on_destroy); |
1754 | SvREFCNT_dec (coro->on_destroy); |
1745 | SvREFCNT_dec (coro->status); |
1755 | SvREFCNT_dec (coro->status); |
1746 | |
1756 | |
1747 | Safefree (coro); |
1757 | Safefree (coro); |
1748 | |
1758 | |
1749 | return 0; |
1759 | return 0; |
1750 | } |
1760 | } |
1751 | |
1761 | |
1752 | static int |
1762 | static int ecb_cold |
1753 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1763 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1754 | { |
1764 | { |
1755 | /* called when perl clones the current process the slow way (windows process emulation) */ |
1765 | /* called when perl clones the current process the slow way (windows process emulation) */ |
1756 | /* WE SIMply nuke the pointers in the copy, causing perl to croak */ |
1766 | /* WE SIMply nuke the pointers in the copy, causing perl to croak */ |
1757 | mg->mg_ptr = 0; |
1767 | mg->mg_ptr = 0; |
… | |
… | |
1788 | TRANSFER (ta, 1); |
1798 | TRANSFER (ta, 1); |
1789 | } |
1799 | } |
1790 | |
1800 | |
1791 | /** Coro ********************************************************************/ |
1801 | /** Coro ********************************************************************/ |
1792 | |
1802 | |
1793 | INLINE void |
1803 | ecb_inline void |
1794 | coro_enq (pTHX_ struct coro *coro) |
1804 | coro_enq (pTHX_ struct coro *coro) |
1795 | { |
1805 | { |
1796 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1806 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1797 | |
1807 | |
1798 | SvREFCNT_inc_NN (coro->hv); |
1808 | SvREFCNT_inc_NN (coro->hv); |
… | |
… | |
1800 | coro->next_ready = 0; |
1810 | coro->next_ready = 0; |
1801 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
1811 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
1802 | ready [1] = coro; |
1812 | ready [1] = coro; |
1803 | } |
1813 | } |
1804 | |
1814 | |
1805 | INLINE struct coro * |
1815 | ecb_inline struct coro * |
1806 | coro_deq (pTHX) |
1816 | coro_deq (pTHX) |
1807 | { |
1817 | { |
1808 | int prio; |
1818 | int prio; |
1809 | |
1819 | |
1810 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
1820 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
… | |
… | |
1863 | { |
1873 | { |
1864 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1874 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1865 | } |
1875 | } |
1866 | |
1876 | |
1867 | /* expects to own a reference to next->hv */ |
1877 | /* expects to own a reference to next->hv */ |
1868 | INLINE void |
1878 | ecb_inline void |
1869 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1879 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1870 | { |
1880 | { |
1871 | SV *prev_sv = SvRV (coro_current); |
1881 | SV *prev_sv = SvRV (coro_current); |
1872 | |
1882 | |
1873 | ta->prev = SvSTATE_hv (prev_sv); |
1883 | ta->prev = SvSTATE_hv (prev_sv); |
… | |
… | |
1886 | { |
1896 | { |
1887 | for (;;) |
1897 | for (;;) |
1888 | { |
1898 | { |
1889 | struct coro *next = coro_deq (aTHX); |
1899 | struct coro *next = coro_deq (aTHX); |
1890 | |
1900 | |
1891 | if (expect_true (next)) |
1901 | if (ecb_expect_true (next)) |
1892 | { |
1902 | { |
1893 | /* cannot transfer to destroyed coros, skip and look for next */ |
1903 | /* cannot transfer to destroyed coros, skip and look for next */ |
1894 | if (expect_false (next->flags & (CF_ZOMBIE | CF_SUSPENDED))) |
1904 | if (ecb_expect_false (next->flags & (CF_ZOMBIE | CF_SUSPENDED))) |
1895 | SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ |
1905 | SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ |
1896 | else |
1906 | else |
1897 | { |
1907 | { |
1898 | next->flags &= ~CF_READY; |
1908 | next->flags &= ~CF_READY; |
1899 | --coro_nready; |
1909 | --coro_nready; |
… | |
… | |
1907 | /* nothing to schedule: call the idle handler */ |
1917 | /* nothing to schedule: call the idle handler */ |
1908 | if (SvROK (sv_idle) |
1918 | if (SvROK (sv_idle) |
1909 | && SvOBJECT (SvRV (sv_idle))) |
1919 | && SvOBJECT (SvRV (sv_idle))) |
1910 | { |
1920 | { |
1911 | 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); |
1912 | 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 | } |
1913 | |
1940 | |
1914 | ++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 */ |
1915 | api_ready (aTHX_ SvRV (sv_idle)); |
1942 | api_ready (aTHX_ SvRV (sv_idle)); |
1916 | --coro_nready; |
1943 | --coro_nready; |
1917 | } |
1944 | } |
… | |
… | |
1932 | } |
1959 | } |
1933 | } |
1960 | } |
1934 | } |
1961 | } |
1935 | } |
1962 | } |
1936 | |
1963 | |
1937 | INLINE void |
1964 | ecb_inline void |
1938 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1965 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1939 | { |
1966 | { |
1940 | api_ready (aTHX_ coro_current); |
1967 | api_ready (aTHX_ coro_current); |
1941 | prepare_schedule (aTHX_ ta); |
1968 | prepare_schedule (aTHX_ ta); |
1942 | } |
1969 | } |
1943 | |
1970 | |
1944 | INLINE void |
1971 | ecb_inline void |
1945 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
1972 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
1946 | { |
1973 | { |
1947 | SV *prev = SvRV (coro_current); |
1974 | SV *prev = SvRV (coro_current); |
1948 | |
1975 | |
1949 | if (coro_nready) |
1976 | if (coro_nready) |
… | |
… | |
1979 | { |
2006 | { |
1980 | struct coro_transfer_args ta; |
2007 | struct coro_transfer_args ta; |
1981 | |
2008 | |
1982 | prepare_cede (aTHX_ &ta); |
2009 | prepare_cede (aTHX_ &ta); |
1983 | |
2010 | |
1984 | if (expect_true (ta.prev != ta.next)) |
2011 | if (ecb_expect_true (ta.prev != ta.next)) |
1985 | { |
2012 | { |
1986 | TRANSFER (ta, 1); |
2013 | TRANSFER (ta, 1); |
1987 | return 1; |
2014 | return 1; |
1988 | } |
2015 | } |
1989 | else |
2016 | else |
… | |
… | |
2054 | PUTBACK; |
2081 | PUTBACK; |
2055 | } |
2082 | } |
2056 | } |
2083 | } |
2057 | |
2084 | |
2058 | static void |
2085 | static void |
2059 | coro_push_on_destroy (aTHX_ struct coro *coro, SV *cb) |
2086 | coro_push_on_destroy (pTHX_ struct coro *coro, SV *cb) |
2060 | { |
2087 | { |
2061 | if (!coro->on_destroy) |
2088 | if (!coro->on_destroy) |
2062 | coro->on_destroy = newAV (); |
2089 | coro->on_destroy = newAV (); |
2063 | |
2090 | |
2064 | av_push (coro->on_destroy, cb); |
2091 | av_push (coro->on_destroy, cb); |
… | |
… | |
2078 | if (!coro->status) |
2105 | if (!coro->status) |
2079 | return 1; |
2106 | return 1; |
2080 | |
2107 | |
2081 | frame->destroy = 0; |
2108 | frame->destroy = 0; |
2082 | |
2109 | |
2083 | coro_push_av (coro->status, GIMME_V); |
2110 | coro_push_av (aTHX_ coro->status, GIMME_V); |
2084 | |
2111 | |
2085 | SvREFCNT_dec ((SV *)coro->hv); |
2112 | SvREFCNT_dec ((SV *)coro->hv); |
2086 | |
2113 | |
2087 | return 0; |
2114 | return 0; |
2088 | } |
2115 | } |
… | |
… | |
2114 | { |
2141 | { |
2115 | AV *od = coro->on_destroy; |
2142 | AV *od = coro->on_destroy; |
2116 | |
2143 | |
2117 | if (!od) |
2144 | if (!od) |
2118 | return; |
2145 | return; |
|
|
2146 | |
|
|
2147 | coro->on_destroy = 0; |
|
|
2148 | sv_2mortal ((SV *)od); |
2119 | |
2149 | |
2120 | while (AvFILLp (od) >= 0) |
2150 | while (AvFILLp (od) >= 0) |
2121 | { |
2151 | { |
2122 | SV *cb = sv_2mortal (av_pop (od)); |
2152 | SV *cb = sv_2mortal (av_pop (od)); |
2123 | |
2153 | |
… | |
… | |
2144 | |
2174 | |
2145 | static void |
2175 | static void |
2146 | coro_set_status (pTHX_ struct coro *coro, SV **arg, int items) |
2176 | coro_set_status (pTHX_ struct coro *coro, SV **arg, int items) |
2147 | { |
2177 | { |
2148 | AV *av; |
2178 | AV *av; |
2149 | |
2179 | |
2150 | if (coro->status) |
2180 | if (coro->status) |
2151 | { |
2181 | { |
2152 | av = coro->status; |
2182 | av = coro->status; |
2153 | av_clear (av); |
2183 | av_clear (av); |
2154 | } |
2184 | } |
… | |
… | |
2201 | |
2231 | |
2202 | coro = SvSTATE (arg [0]); |
2232 | coro = SvSTATE (arg [0]); |
2203 | coro_hv = coro->hv; |
2233 | coro_hv = coro->hv; |
2204 | |
2234 | |
2205 | coro_set_status (aTHX_ coro, arg + 1, items - 1); |
2235 | coro_set_status (aTHX_ coro, arg + 1, items - 1); |
2206 | |
2236 | |
2207 | if (expect_false (coro->flags & CF_NOCANCEL)) |
2237 | if (ecb_expect_false (coro->flags & CF_NOCANCEL)) |
2208 | { |
2238 | { |
2209 | /* coro currently busy cancelling something, so just notify it */ |
2239 | /* coro currently busy cancelling something, so just notify it */ |
2210 | coro->slf_frame.data = (void *)coro; |
2240 | coro->slf_frame.data = (void *)coro; |
2211 | |
2241 | |
2212 | frame->prepare = prepare_nop; |
2242 | frame->prepare = prepare_nop; |
… | |
… | |
2218 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
2248 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
2219 | } |
2249 | } |
2220 | else |
2250 | else |
2221 | { |
2251 | { |
2222 | struct coro *self = SvSTATE_current; |
2252 | struct coro *self = SvSTATE_current; |
|
|
2253 | |
|
|
2254 | if (!self) |
|
|
2255 | croak ("Coro::cancel called outside of thread content,"); |
2223 | |
2256 | |
2224 | /* otherwise we cancel directly, purely for speed reasons |
2257 | /* otherwise we cancel directly, purely for speed reasons |
2225 | * unfortunately, this requires some magic trickery, as |
2258 | * unfortunately, this requires some magic trickery, as |
2226 | * somebody else could cancel us, so we have to fight the cancellation. |
2259 | * somebody else could cancel us, so we have to fight the cancellation. |
2227 | * this is ugly, and hopefully fully worth the extra speed. |
2260 | * this is ugly, and hopefully fully worth the extra speed. |
… | |
… | |
2320 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2353 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2321 | { |
2354 | { |
2322 | HV *hv = (HV *)SvRV (coro_current); |
2355 | HV *hv = (HV *)SvRV (coro_current); |
2323 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
2356 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
2324 | |
2357 | |
2325 | if (expect_true (coro->saved_deffh)) |
2358 | if (ecb_expect_true (coro->saved_deffh)) |
2326 | { |
2359 | { |
2327 | /* subsequent iteration */ |
2360 | /* subsequent iteration */ |
2328 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
2361 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
2329 | coro->saved_deffh = 0; |
2362 | coro->saved_deffh = 0; |
2330 | |
2363 | |
… | |
… | |
2390 | |
2423 | |
2391 | static int |
2424 | static int |
2392 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
2425 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
2393 | { |
2426 | { |
2394 | SV *data = (SV *)frame->data; |
2427 | SV *data = (SV *)frame->data; |
2395 | |
2428 | |
2396 | if (CORO_THROW) |
2429 | if (CORO_THROW) |
2397 | return 0; |
2430 | return 0; |
2398 | |
2431 | |
2399 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2432 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2400 | return 1; |
2433 | return 1; |
… | |
… | |
2436 | cb = sv_2mortal (coro->rouse_cb); |
2469 | cb = sv_2mortal (coro->rouse_cb); |
2437 | coro->rouse_cb = 0; |
2470 | coro->rouse_cb = 0; |
2438 | } |
2471 | } |
2439 | |
2472 | |
2440 | if (!SvROK (cb) |
2473 | if (!SvROK (cb) |
2441 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2474 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2442 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2475 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2443 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2476 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2444 | |
2477 | |
2445 | { |
2478 | { |
2446 | CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ |
2479 | CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ |
… | |
… | |
2569 | |
2602 | |
2570 | /* "undo"/cancel a running slf call - used when cancelling a coro, mainly */ |
2603 | /* "undo"/cancel a running slf call - used when cancelling a coro, mainly */ |
2571 | static void |
2604 | static void |
2572 | slf_destroy (pTHX_ struct coro *coro) |
2605 | slf_destroy (pTHX_ struct coro *coro) |
2573 | { |
2606 | { |
2574 | /* this callback is reserved for slf functions needing to do cleanup */ |
2607 | struct CoroSLF frame = coro->slf_frame; |
2575 | if (coro->slf_frame.destroy && coro->slf_frame.prepare && !PL_dirty) |
|
|
2576 | coro->slf_frame.destroy (aTHX_ &coro->slf_frame); |
|
|
2577 | |
2608 | |
2578 | /* |
2609 | /* |
2579 | * The on_destroy above most likely is from an SLF call. |
2610 | * The on_destroy below most likely is from an SLF call. |
2580 | * Since by definition the SLF call will not finish when we destroy |
2611 | * Since by definition the SLF call will not finish when we destroy |
2581 | * the coro, we will have to force-finish it here, otherwise |
2612 | * the coro, we will have to force-finish it here, otherwise |
2582 | * cleanup functions cannot call SLF functions. |
2613 | * cleanup functions cannot call SLF functions. |
2583 | */ |
2614 | */ |
2584 | coro->slf_frame.prepare = 0; |
2615 | coro->slf_frame.prepare = 0; |
|
|
2616 | |
|
|
2617 | /* this callback is reserved for slf functions needing to do cleanup */ |
|
|
2618 | if (frame.destroy && frame.prepare && !PL_dirty) |
|
|
2619 | frame.destroy (aTHX_ &frame); |
2585 | } |
2620 | } |
2586 | |
2621 | |
2587 | /* |
2622 | /* |
2588 | * these not obviously related functions are all rolled into one |
2623 | * these not obviously related functions are all rolled into one |
2589 | * function to increase chances that they all will call transfer with the same |
2624 | * function to increase chances that they all will call transfer with the same |
… | |
… | |
2596 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
2631 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
2597 | |
2632 | |
2598 | /* set up the slf frame, unless it has already been set-up */ |
2633 | /* set up the slf frame, unless it has already been set-up */ |
2599 | /* the latter happens when a new coro has been started */ |
2634 | /* the latter happens when a new coro has been started */ |
2600 | /* or when a new cctx was attached to an existing coroutine */ |
2635 | /* or when a new cctx was attached to an existing coroutine */ |
2601 | if (expect_true (!slf_frame.prepare)) |
2636 | if (ecb_expect_true (!slf_frame.prepare)) |
2602 | { |
2637 | { |
2603 | /* first iteration */ |
2638 | /* first iteration */ |
2604 | dSP; |
2639 | dSP; |
2605 | SV **arg = PL_stack_base + TOPMARK + 1; |
2640 | SV **arg = PL_stack_base + TOPMARK + 1; |
2606 | int items = SP - arg; /* args without function object */ |
2641 | int items = SP - arg; /* args without function object */ |
… | |
… | |
2647 | while (slf_frame.check (aTHX_ &slf_frame)); |
2682 | while (slf_frame.check (aTHX_ &slf_frame)); |
2648 | |
2683 | |
2649 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
2684 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
2650 | |
2685 | |
2651 | /* exception handling */ |
2686 | /* exception handling */ |
2652 | if (expect_false (CORO_THROW)) |
2687 | if (ecb_expect_false (CORO_THROW)) |
2653 | { |
2688 | { |
2654 | SV *exception = sv_2mortal (CORO_THROW); |
2689 | SV *exception = sv_2mortal (CORO_THROW); |
2655 | |
2690 | |
2656 | CORO_THROW = 0; |
2691 | CORO_THROW = 0; |
2657 | sv_setsv (ERRSV, exception); |
2692 | sv_setsv (ERRSV, exception); |
… | |
… | |
2659 | } |
2694 | } |
2660 | |
2695 | |
2661 | /* return value handling - mostly like entersub */ |
2696 | /* return value handling - mostly like entersub */ |
2662 | /* make sure we put something on the stack in scalar context */ |
2697 | /* make sure we put something on the stack in scalar context */ |
2663 | if (GIMME_V == G_SCALAR |
2698 | if (GIMME_V == G_SCALAR |
2664 | && expect_false (PL_stack_sp != PL_stack_base + checkmark + 1)) |
2699 | && ecb_expect_false (PL_stack_sp != PL_stack_base + checkmark + 1)) |
2665 | { |
2700 | { |
2666 | dSP; |
2701 | dSP; |
2667 | SV **bot = PL_stack_base + checkmark; |
2702 | SV **bot = PL_stack_base + checkmark; |
2668 | |
2703 | |
2669 | if (sp == bot) /* too few, push undef */ |
2704 | if (sp == bot) /* too few, push undef */ |
… | |
… | |
2783 | { |
2818 | { |
2784 | PerlIOBuf base; |
2819 | PerlIOBuf base; |
2785 | NV next, every; |
2820 | NV next, every; |
2786 | } PerlIOCede; |
2821 | } PerlIOCede; |
2787 | |
2822 | |
2788 | static IV |
2823 | static IV ecb_cold |
2789 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
2824 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
2790 | { |
2825 | { |
2791 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2826 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2792 | |
2827 | |
2793 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
2828 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
2794 | self->next = nvtime () + self->every; |
2829 | self->next = nvtime () + self->every; |
2795 | |
2830 | |
2796 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
2831 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
2797 | } |
2832 | } |
2798 | |
2833 | |
2799 | static SV * |
2834 | static SV * ecb_cold |
2800 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
2835 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
2801 | { |
2836 | { |
2802 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2837 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2803 | |
2838 | |
2804 | return newSVnv (self->every); |
2839 | return newSVnv (self->every); |
… | |
… | |
2929 | { |
2964 | { |
2930 | AV *av = (AV *)frame->data; |
2965 | AV *av = (AV *)frame->data; |
2931 | SV *count_sv = AvARRAY (av)[0]; |
2966 | SV *count_sv = AvARRAY (av)[0]; |
2932 | SV *coro_hv = SvRV (coro_current); |
2967 | SV *coro_hv = SvRV (coro_current); |
2933 | |
2968 | |
|
|
2969 | frame->destroy = 0; |
|
|
2970 | |
2934 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2971 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2935 | if (CORO_THROW) |
2972 | if (ecb_expect_false (CORO_THROW)) |
|
|
2973 | { |
|
|
2974 | /* we still might be responsible for the semaphore, so wake up others */ |
|
|
2975 | coro_semaphore_adjust (aTHX_ av, 0); |
|
|
2976 | |
2936 | return 0; |
2977 | return 0; |
|
|
2978 | } |
2937 | else if (SvIVX (count_sv) > 0) |
2979 | else if (SvIVX (count_sv) > 0) |
2938 | { |
2980 | { |
2939 | frame->destroy = 0; |
|
|
2940 | |
|
|
2941 | if (acquire) |
2981 | if (acquire) |
2942 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2982 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2943 | else |
2983 | else |
2944 | coro_semaphore_adjust (aTHX_ av, 0); |
2984 | coro_semaphore_adjust (aTHX_ av, 0); |
2945 | |
2985 | |
… | |
… | |
2949 | { |
2989 | { |
2950 | int i; |
2990 | int i; |
2951 | /* if we were woken up but can't down, we look through the whole */ |
2991 | /* if we were woken up but can't down, we look through the whole */ |
2952 | /* waiters list and only add us if we aren't in there already */ |
2992 | /* waiters list and only add us if we aren't in there already */ |
2953 | /* this avoids some degenerate memory usage cases */ |
2993 | /* this avoids some degenerate memory usage cases */ |
2954 | for (i = AvFILLp (av); i > 0; --i) // i > 0 is not an off-by-one bug |
2994 | for (i = AvFILLp (av); i > 0; --i) /* i > 0 is not an off-by-one bug */ |
2955 | if (AvARRAY (av)[i] == coro_hv) |
2995 | if (AvARRAY (av)[i] == coro_hv) |
2956 | return 1; |
2996 | return 1; |
2957 | |
2997 | |
2958 | av_push (av, SvREFCNT_inc (coro_hv)); |
2998 | av_push (av, SvREFCNT_inc (coro_hv)); |
2959 | return 1; |
2999 | return 1; |
… | |
… | |
3167 | /* it quickly returns */ |
3207 | /* it quickly returns */ |
3168 | if (CORO_THROW) |
3208 | if (CORO_THROW) |
3169 | return 0; |
3209 | return 0; |
3170 | |
3210 | |
3171 | /* one element that is an RV? repeat! */ |
3211 | /* one element that is an RV? repeat! */ |
3172 | if (AvFILLp (state) == 0 && SvROK (AvARRAY (state)[0])) |
3212 | if (AvFILLp (state) == 0 && SvTYPE (AvARRAY (state)[0]) != SVt_PV) |
3173 | return 1; |
3213 | return 1; |
3174 | |
3214 | |
3175 | /* restore status */ |
3215 | /* restore status */ |
3176 | { |
3216 | { |
3177 | SV *data_sv = av_pop (state); |
3217 | SV *data_sv = av_pop (state); |
… | |
… | |
3216 | dSP; |
3256 | dSP; |
3217 | |
3257 | |
3218 | static SV *prio_cv; |
3258 | static SV *prio_cv; |
3219 | static SV *prio_sv; |
3259 | static SV *prio_sv; |
3220 | |
3260 | |
3221 | if (expect_false (!prio_cv)) |
3261 | if (ecb_expect_false (!prio_cv)) |
3222 | { |
3262 | { |
3223 | prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0); |
3263 | prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0); |
3224 | prio_sv = newSViv (0); |
3264 | prio_sv = newSViv (0); |
3225 | } |
3265 | } |
3226 | |
3266 | |
… | |
… | |
3332 | } |
3372 | } |
3333 | |
3373 | |
3334 | return coro_sv; |
3374 | return coro_sv; |
3335 | } |
3375 | } |
3336 | |
3376 | |
|
|
3377 | #ifndef __cplusplus |
|
|
3378 | ecb_cold XS(boot_Coro__State); |
|
|
3379 | #endif |
|
|
3380 | |
|
|
3381 | #if CORO_JIT |
|
|
3382 | |
|
|
3383 | static void ecb_noinline ecb_cold |
|
|
3384 | pushav_4uv (pTHX_ UV a, UV b, UV c, UV d) |
|
|
3385 | { |
|
|
3386 | dSP; |
|
|
3387 | AV *av = newAV (); |
|
|
3388 | |
|
|
3389 | av_store (av, 3, newSVuv (d)); |
|
|
3390 | av_store (av, 2, newSVuv (c)); |
|
|
3391 | av_store (av, 1, newSVuv (b)); |
|
|
3392 | av_store (av, 0, newSVuv (a)); |
|
|
3393 | |
|
|
3394 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
3395 | |
|
|
3396 | PUTBACK; |
|
|
3397 | } |
|
|
3398 | |
|
|
3399 | static void ecb_noinline ecb_cold |
|
|
3400 | jit_init (pTHX) |
|
|
3401 | { |
|
|
3402 | dSP; |
|
|
3403 | SV *load, *save; |
|
|
3404 | char *map_base; |
|
|
3405 | char *load_ptr, *save_ptr; |
|
|
3406 | STRLEN load_len, save_len, map_len; |
|
|
3407 | int count; |
|
|
3408 | |
|
|
3409 | eval_pv ("require 'Coro/jit-" CORO_JIT_TYPE ".pl'", 1); |
|
|
3410 | |
|
|
3411 | PUSHMARK (SP); |
|
|
3412 | #define VARx(name,expr,type) pushav_4uv (aTHX_ (UV)&(expr), sizeof (expr), offsetof (perl_slots, name), sizeof (type)); |
|
|
3413 | #include "state.h" |
|
|
3414 | count = call_pv ("Coro::State::_jit", G_ARRAY); |
|
|
3415 | SPAGAIN; |
|
|
3416 | |
|
|
3417 | save = POPs; save_ptr = SvPVbyte (save, save_len); |
|
|
3418 | load = POPs; load_ptr = SvPVbyte (load, load_len); |
|
|
3419 | |
|
|
3420 | map_len = load_len + save_len + 16; |
|
|
3421 | |
|
|
3422 | map_base = mmap (0, map_len, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); |
|
|
3423 | |
|
|
3424 | assert (("Coro: unable to mmap jit code page, cannot continue.", map_base != (char *)MAP_FAILED)); |
|
|
3425 | |
|
|
3426 | load_perl_slots = (load_save_perl_slots_type)map_base; |
|
|
3427 | memcpy (map_base, load_ptr, load_len); |
|
|
3428 | |
|
|
3429 | map_base += (load_len + 15) & ~15; |
|
|
3430 | |
|
|
3431 | save_perl_slots = (load_save_perl_slots_type)map_base; |
|
|
3432 | memcpy (map_base, save_ptr, save_len); |
|
|
3433 | |
|
|
3434 | /* we are good citizens and try to make the page read-only, so the evil evil */ |
|
|
3435 | /* hackers might have it a bit more difficult */ |
|
|
3436 | mprotect (map_base, map_len, PROT_READ | PROT_EXEC); |
|
|
3437 | |
|
|
3438 | PUTBACK; |
|
|
3439 | eval_pv ("undef &Coro::State::_jit", 1); |
|
|
3440 | } |
|
|
3441 | |
|
|
3442 | #endif |
|
|
3443 | |
3337 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
3444 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
3338 | |
3445 | |
3339 | PROTOTYPES: DISABLE |
3446 | PROTOTYPES: DISABLE |
3340 | |
3447 | |
3341 | BOOT: |
3448 | BOOT: |
… | |
… | |
3343 | #ifdef USE_ITHREADS |
3450 | #ifdef USE_ITHREADS |
3344 | # if CORO_PTHREAD |
3451 | # if CORO_PTHREAD |
3345 | coro_thx = PERL_GET_CONTEXT; |
3452 | coro_thx = PERL_GET_CONTEXT; |
3346 | # endif |
3453 | # endif |
3347 | #endif |
3454 | #endif |
3348 | BOOT_PAGESIZE; |
3455 | /* perl defines these to check for existance first, but why it doesn't */ |
|
|
3456 | /* just create them one at init time is not clear to me, except for */ |
|
|
3457 | /* programs trying to delete them, but... */ |
|
|
3458 | /* anyway, we declare this as invalid and make sure they are initialised here */ |
|
|
3459 | DEFSV; |
|
|
3460 | ERRSV; |
3349 | |
3461 | |
3350 | cctx_current = cctx_new_empty (); |
3462 | cctx_current = cctx_new_empty (); |
3351 | |
3463 | |
3352 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3464 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3353 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3465 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
… | |
… | |
3396 | coroapi.prepare_cede_notself = prepare_cede_notself; |
3508 | coroapi.prepare_cede_notself = prepare_cede_notself; |
3397 | |
3509 | |
3398 | time_init (aTHX); |
3510 | time_init (aTHX); |
3399 | |
3511 | |
3400 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
3512 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
|
|
3513 | #if CORO_JIT |
|
|
3514 | PUTBACK; |
|
|
3515 | jit_init (aTHX); |
|
|
3516 | SPAGAIN; |
|
|
3517 | #endif |
3401 | } |
3518 | } |
3402 | |
3519 | |
3403 | SV * |
3520 | SV * |
3404 | new (SV *klass, ...) |
3521 | new (SV *klass, ...) |
3405 | ALIAS: |
3522 | ALIAS: |
… | |
… | |
3412 | void |
3529 | void |
3413 | transfer (...) |
3530 | transfer (...) |
3414 | PROTOTYPE: $$ |
3531 | PROTOTYPE: $$ |
3415 | CODE: |
3532 | CODE: |
3416 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3533 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3417 | |
|
|
3418 | void |
|
|
3419 | _exit (int code) |
|
|
3420 | PROTOTYPE: $ |
|
|
3421 | CODE: |
|
|
3422 | _exit (code); |
|
|
3423 | |
3534 | |
3424 | SV * |
3535 | SV * |
3425 | clone (Coro::State coro) |
3536 | clone (Coro::State coro) |
3426 | CODE: |
3537 | CODE: |
3427 | { |
3538 | { |
… | |
… | |
3482 | void |
3593 | void |
3483 | list () |
3594 | list () |
3484 | PROTOTYPE: |
3595 | PROTOTYPE: |
3485 | PPCODE: |
3596 | PPCODE: |
3486 | { |
3597 | { |
3487 | struct coro *coro; |
3598 | struct coro *coro; |
3488 | for (coro = coro_first; coro; coro = coro->next) |
3599 | for (coro = coro_first; coro; coro = coro->next) |
3489 | if (coro->hv) |
3600 | if (coro->hv) |
3490 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
3601 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
3491 | } |
3602 | } |
3492 | |
3603 | |
… | |
… | |
3556 | RETVAL = boolSV (coro->flags & ix); |
3667 | RETVAL = boolSV (coro->flags & ix); |
3557 | OUTPUT: |
3668 | OUTPUT: |
3558 | RETVAL |
3669 | RETVAL |
3559 | |
3670 | |
3560 | void |
3671 | void |
3561 | throw (Coro::State self, SV *exception = &PL_sv_undef) |
3672 | throw (SV *self, SV *exception = &PL_sv_undef) |
3562 | PROTOTYPE: $;$ |
3673 | PROTOTYPE: $;$ |
3563 | CODE: |
3674 | CODE: |
3564 | { |
3675 | { |
|
|
3676 | struct coro *coro = SvSTATE (self); |
3565 | struct coro *current = SvSTATE_current; |
3677 | struct coro *current = SvSTATE_current; |
3566 | SV **exceptionp = self == current ? &CORO_THROW : &self->except; |
3678 | SV **exceptionp = coro == current ? &CORO_THROW : &coro->except; |
3567 | SvREFCNT_dec (*exceptionp); |
3679 | SvREFCNT_dec (*exceptionp); |
3568 | SvGETMAGIC (exception); |
3680 | SvGETMAGIC (exception); |
3569 | *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; |
3681 | *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; |
|
|
3682 | |
|
|
3683 | api_ready (aTHX_ self); |
3570 | } |
3684 | } |
3571 | |
3685 | |
3572 | void |
3686 | void |
3573 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3687 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3574 | PROTOTYPE: $;$ |
3688 | PROTOTYPE: $;$ |
… | |
… | |
3651 | |
3765 | |
3652 | void |
3766 | void |
3653 | times (Coro::State self) |
3767 | times (Coro::State self) |
3654 | PPCODE: |
3768 | PPCODE: |
3655 | { |
3769 | { |
3656 | struct coro *current = SvSTATE (coro_current); |
3770 | struct coro *current = SvSTATE (coro_current); |
3657 | |
3771 | |
3658 | if (expect_false (current == self)) |
3772 | if (ecb_expect_false (current == self)) |
3659 | { |
3773 | { |
3660 | coro_times_update (); |
3774 | coro_times_update (); |
3661 | coro_times_add (SvSTATE (coro_current)); |
3775 | coro_times_add (SvSTATE (coro_current)); |
3662 | } |
3776 | } |
3663 | |
3777 | |
3664 | EXTEND (SP, 2); |
3778 | EXTEND (SP, 2); |
3665 | PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9))); |
3779 | PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9))); |
3666 | PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9))); |
3780 | PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9))); |
3667 | |
3781 | |
3668 | if (expect_false (current == self)) |
3782 | if (ecb_expect_false (current == self)) |
3669 | coro_times_sub (SvSTATE (coro_current)); |
3783 | coro_times_sub (SvSTATE (coro_current)); |
3670 | } |
3784 | } |
3671 | |
3785 | |
3672 | void |
3786 | void |
3673 | swap_sv (Coro::State coro, SV *sv, SV *swapsv) |
3787 | swap_sv (Coro::State coro, SV *sv, SV *swapsv) |
… | |
… | |
3704 | |
3818 | |
3705 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3819 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3706 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
3820 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
3707 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
3821 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
3708 | CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */ |
3822 | CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */ |
3709 | |
3823 | |
3710 | coro_stash = gv_stashpv ("Coro", TRUE); |
3824 | coro_stash = gv_stashpv ("Coro", TRUE); |
3711 | |
3825 | |
3712 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
3826 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
3713 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
3827 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
3714 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL)); |
3828 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL)); |
… | |
… | |
3936 | on_leave = 1 |
4050 | on_leave = 1 |
3937 | PROTOTYPE: & |
4051 | PROTOTYPE: & |
3938 | CODE: |
4052 | CODE: |
3939 | { |
4053 | { |
3940 | struct coro *coro = SvSTATE_current; |
4054 | struct coro *coro = SvSTATE_current; |
3941 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
4055 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
3942 | |
4056 | |
3943 | block = s_get_cv_croak (block); |
4057 | block = s_get_cv_croak (block); |
3944 | |
4058 | |
3945 | if (!*avp) |
4059 | if (!*avp) |
3946 | *avp = newAV (); |
4060 | *avp = newAV (); |
… | |
… | |
3966 | |
4080 | |
3967 | SV * |
4081 | SV * |
3968 | new (SV *klass, SV *count = 0) |
4082 | new (SV *klass, SV *count = 0) |
3969 | CODE: |
4083 | CODE: |
3970 | { |
4084 | { |
3971 | int semcnt = 1; |
4085 | int semcnt = 1; |
3972 | |
4086 | |
3973 | if (count) |
4087 | if (count) |
3974 | { |
4088 | { |
3975 | SvGETMAGIC (count); |
4089 | SvGETMAGIC (count); |
3976 | |
4090 | |
… | |
… | |
4036 | XSRETURN_NO; |
4150 | XSRETURN_NO; |
4037 | } |
4151 | } |
4038 | |
4152 | |
4039 | void |
4153 | void |
4040 | waiters (SV *self) |
4154 | waiters (SV *self) |
4041 | PPCODE: |
4155 | PPCODE: |
4042 | { |
4156 | { |
4043 | AV *av = (AV *)SvRV (self); |
4157 | AV *av = (AV *)SvRV (self); |
4044 | int wcount = AvFILLp (av) + 1 - 1; |
4158 | int wcount = AvFILLp (av) + 1 - 1; |
4045 | |
4159 | |
4046 | if (GIMME_V == G_SCALAR) |
4160 | if (GIMME_V == G_SCALAR) |
… | |
… | |
4055 | } |
4169 | } |
4056 | |
4170 | |
4057 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
4171 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
4058 | |
4172 | |
4059 | void |
4173 | void |
4060 | _may_delete (SV *sem, int count, int extra_refs) |
4174 | _may_delete (SV *sem, int count, unsigned int extra_refs) |
4061 | PPCODE: |
4175 | PPCODE: |
4062 | { |
4176 | { |
4063 | AV *av = (AV *)SvRV (sem); |
4177 | AV *av = (AV *)SvRV (sem); |
4064 | |
4178 | |
4065 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
4179 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
4066 | && AvFILLp (av) == 0 /* no waiters, just count */ |
4180 | && AvFILLp (av) == 0 /* no waiters, just count */ |
4067 | && SvIV (AvARRAY (av)[0]) == count) |
4181 | && SvIV (AvARRAY (av)[0]) == count) |
4068 | XSRETURN_YES; |
4182 | XSRETURN_YES; |
… | |
… | |
4089 | |
4203 | |
4090 | void |
4204 | void |
4091 | broadcast (SV *self) |
4205 | broadcast (SV *self) |
4092 | CODE: |
4206 | CODE: |
4093 | { |
4207 | { |
4094 | AV *av = (AV *)SvRV (self); |
4208 | AV *av = (AV *)SvRV (self); |
4095 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
4209 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
4096 | } |
4210 | } |
4097 | |
4211 | |
4098 | void |
4212 | void |
4099 | send (SV *self) |
4213 | send (SV *self) |
… | |
… | |
4107 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
4221 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
4108 | } |
4222 | } |
4109 | |
4223 | |
4110 | IV |
4224 | IV |
4111 | awaited (SV *self) |
4225 | awaited (SV *self) |
4112 | CODE: |
4226 | CODE: |
4113 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
4227 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
4114 | OUTPUT: |
4228 | OUTPUT: |
4115 | RETVAL |
4229 | RETVAL |
4116 | |
4230 | |
4117 | |
4231 | |
… | |
… | |
4122 | |
4236 | |
4123 | void |
4237 | void |
4124 | _schedule (...) |
4238 | _schedule (...) |
4125 | CODE: |
4239 | CODE: |
4126 | { |
4240 | { |
4127 | static int incede; |
4241 | static int incede; |
4128 | |
4242 | |
4129 | api_cede_notself (aTHX); |
4243 | api_cede_notself (aTHX); |
4130 | |
4244 | |
4131 | ++incede; |
4245 | ++incede; |
4132 | while (coro_nready >= incede && api_cede (aTHX)) |
4246 | while (coro_nready >= incede && api_cede (aTHX)) |
… | |
… | |
4176 | { |
4290 | { |
4177 | PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; |
4291 | PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; |
4178 | coro_old_pp_sselect = 0; |
4292 | coro_old_pp_sselect = 0; |
4179 | } |
4293 | } |
4180 | |
4294 | |
|
|
4295 | MODULE = Coro::State PACKAGE = Coro::Util |
|
|
4296 | |
|
|
4297 | void |
|
|
4298 | _exit (int code) |
|
|
4299 | CODE: |
|
|
4300 | _exit (code); |
|
|
4301 | |
|
|
4302 | NV |
|
|
4303 | time () |
|
|
4304 | CODE: |
|
|
4305 | RETVAL = nvtime (aTHX); |
|
|
4306 | OUTPUT: |
|
|
4307 | RETVAL |
|
|
4308 | |
|
|
4309 | NV |
|
|
4310 | gettimeofday () |
|
|
4311 | PPCODE: |
|
|
4312 | { |
|
|
4313 | UV tv [2]; |
|
|
4314 | u2time (aTHX_ tv); |
|
|
4315 | EXTEND (SP, 2); |
|
|
4316 | PUSHs (sv_2mortal (newSVuv (tv [0]))); |
|
|
4317 | PUSHs (sv_2mortal (newSVuv (tv [1]))); |
|
|
4318 | } |
|
|
4319 | |