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 | #include "ecb.h" |
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20 | |
18 | #include <stddef.h> |
21 | #include <stddef.h> |
19 | #include <stdio.h> |
22 | #include <stdio.h> |
20 | #include <errno.h> |
23 | #include <errno.h> |
21 | #include <assert.h> |
24 | #include <assert.h> |
22 | |
25 | |
23 | #ifndef SVs_PADSTALE |
26 | #ifndef SVs_PADSTALE |
24 | # define SVs_PADSTALE 0 |
27 | # define SVs_PADSTALE 0 |
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28 | #endif |
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29 | |
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30 | #ifdef PadARRAY |
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31 | # define NEWPADAPI 1 |
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32 | # define newPADLIST(var) (Newz (0, var, 1, PADLIST), Newx (PadlistARRAY (var), 2, PAD *)) |
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33 | #else |
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34 | typedef AV PADNAMELIST; |
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35 | # if !PERL_VERSION_ATLEAST(5,8,0) |
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36 | typedef AV PADLIST; |
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37 | typedef AV PAD; |
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38 | # endif |
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39 | # define PadlistARRAY(pl) ((PAD **)AvARRAY (pl)) |
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40 | # define PadlistMAX(pl) AvFILLp (pl) |
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41 | # define PadlistNAMES(pl) (*PadlistARRAY (pl)) |
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42 | # define PadARRAY AvARRAY |
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43 | # define PadMAX AvFILLp |
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44 | # define newPADLIST(var) ((var) = newAV (), av_extend (var, 1)) |
25 | #endif |
45 | #endif |
26 | |
46 | |
27 | #if defined(_WIN32) |
47 | #if defined(_WIN32) |
28 | # undef HAS_GETTIMEOFDAY |
48 | # undef HAS_GETTIMEOFDAY |
29 | # undef setjmp |
49 | # undef setjmp |
… | |
… | |
32 | # define setjmp _setjmp /* deep magic */ |
52 | # define setjmp _setjmp /* deep magic */ |
33 | #else |
53 | #else |
34 | # include <inttypes.h> /* most portable stdint.h */ |
54 | # include <inttypes.h> /* most portable stdint.h */ |
35 | #endif |
55 | #endif |
36 | |
56 | |
37 | #ifdef HAVE_MMAP |
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38 | # include <unistd.h> |
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39 | # include <sys/mman.h> |
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40 | # ifndef MAP_ANONYMOUS |
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41 | # ifdef MAP_ANON |
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42 | # define MAP_ANONYMOUS MAP_ANON |
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43 | # else |
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44 | # undef HAVE_MMAP |
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45 | # endif |
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46 | # endif |
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47 | # include <limits.h> |
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48 | # ifndef PAGESIZE |
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49 | # define PAGESIZE pagesize |
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50 | # define BOOT_PAGESIZE pagesize = sysconf (_SC_PAGESIZE) |
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51 | static long pagesize; |
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52 | # else |
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53 | # define BOOT_PAGESIZE (void)0 |
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54 | # endif |
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55 | #else |
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56 | # define PAGESIZE 0 |
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57 | # define BOOT_PAGESIZE (void)0 |
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58 | #endif |
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59 | |
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60 | #if CORO_USE_VALGRIND |
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61 | # include <valgrind/valgrind.h> |
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62 | #endif |
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63 | |
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64 | /* the maximum number of idle cctx that will be pooled */ |
57 | /* the maximum number of idle cctx that will be pooled */ |
65 | static int cctx_max_idle = 4; |
58 | static int cctx_max_idle = 4; |
66 | |
59 | |
67 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
60 | #if defined(DEBUGGING) && PERL_VERSION_ATLEAST(5,12,0) |
68 | # undef CORO_STACKGUARD |
61 | # define HAS_SCOPESTACK_NAME 1 |
69 | #endif |
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70 | |
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71 | #ifndef CORO_STACKGUARD |
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72 | # define CORO_STACKGUARD 0 |
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73 | #endif |
62 | #endif |
74 | |
63 | |
75 | /* prefer perl internal functions over our own? */ |
64 | /* prefer perl internal functions over our own? */ |
76 | #ifndef CORO_PREFER_PERL_FUNCTIONS |
65 | #ifndef CORO_PREFER_PERL_FUNCTIONS |
77 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
66 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
… | |
… | |
87 | # define STACKLEVEL ((void *)&stacklevel) |
76 | # define STACKLEVEL ((void *)&stacklevel) |
88 | #endif |
77 | #endif |
89 | |
78 | |
90 | #define IN_DESTRUCT PL_dirty |
79 | #define IN_DESTRUCT PL_dirty |
91 | |
80 | |
92 | #if __GNUC__ >= 3 |
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93 | # define attribute(x) __attribute__(x) |
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94 | # define expect(expr,value) __builtin_expect ((expr), (value)) |
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95 | # define INLINE static inline |
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96 | #else |
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97 | # define attribute(x) |
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98 | # define expect(expr,value) (expr) |
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99 | # define INLINE static |
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100 | #endif |
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101 | |
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102 | #define expect_false(expr) expect ((expr) != 0, 0) |
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103 | #define expect_true(expr) expect ((expr) != 0, 1) |
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104 | |
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105 | #define NOINLINE attribute ((noinline)) |
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106 | |
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107 | #include "CoroAPI.h" |
81 | #include "CoroAPI.h" |
108 | #define GCoroAPI (&coroapi) /* very sneaky */ |
82 | #define GCoroAPI (&coroapi) /* very sneaky */ |
109 | |
83 | |
110 | #ifdef USE_ITHREADS |
84 | #ifdef USE_ITHREADS |
111 | # if CORO_PTHREAD |
85 | # if CORO_PTHREAD |
… | |
… | |
183 | typedef struct coro_cctx |
157 | typedef struct coro_cctx |
184 | { |
158 | { |
185 | struct coro_cctx *next; |
159 | struct coro_cctx *next; |
186 | |
160 | |
187 | /* the stack */ |
161 | /* the stack */ |
188 | void *sptr; |
162 | struct coro_stack stack; |
189 | size_t ssize; |
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190 | |
163 | |
191 | /* cpu state */ |
164 | /* cpu state */ |
192 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
165 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
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166 | #ifndef NDEBUG |
193 | JMPENV *idle_te; /* same as idle_sp, but for top_env, TODO: remove once stable */ |
167 | JMPENV *idle_te; /* same as idle_sp, but for top_env */ |
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168 | #endif |
194 | JMPENV *top_env; |
169 | JMPENV *top_env; |
195 | coro_context cctx; |
170 | coro_context cctx; |
196 | |
171 | |
197 | U32 gen; |
172 | U32 gen; |
198 | #if CORO_USE_VALGRIND |
173 | #if CORO_USE_VALGRIND |
… | |
… | |
218 | }; |
193 | }; |
219 | |
194 | |
220 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
195 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
221 | typedef struct |
196 | typedef struct |
222 | { |
197 | { |
223 | SV *defsv; |
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224 | AV *defav; |
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225 | SV *errsv; |
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226 | SV *irsgv; |
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227 | HV *hinthv; |
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228 | #define VAR(name,type) type name; |
198 | #define VARx(name,expr,type) type name; |
229 | # include "state.h" |
199 | #include "state.h" |
230 | #undef VAR |
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|
231 | } perl_slots; |
200 | } perl_slots; |
232 | |
201 | |
233 | // how many context stack entries do we need for perl_slots |
202 | /* how many context stack entries do we need for perl_slots */ |
234 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
203 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
235 | |
204 | |
236 | /* this is a structure representing a perl-level coroutine */ |
205 | /* this is a structure representing a perl-level coroutine */ |
237 | struct coro |
206 | struct coro |
238 | { |
207 | { |
… | |
… | |
304 | static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ |
273 | static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ |
305 | static CV *cv_coro_run; |
274 | static CV *cv_coro_run; |
306 | static struct coro *coro_first; |
275 | static struct coro *coro_first; |
307 | #define coro_nready coroapi.nready |
276 | #define coro_nready coroapi.nready |
308 | |
277 | |
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278 | /** JIT *********************************************************************/ |
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279 | |
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280 | #if CORO_JIT |
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281 | /* APPLE doesn't have mmap though */ |
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282 | #define CORO_JIT_UNIXY (__linux || __FreeBSD__ || __OpenBSD__ || __NetBSD__ || __solaris || __APPLE__) |
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283 | #ifndef CORO_JIT_TYPE |
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284 | #if ECB_AMD64 && CORO_JIT_UNIXY |
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285 | #define CORO_JIT_TYPE "amd64-unix" |
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286 | #elif __i386 && CORO_JIT_UNIXY |
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287 | #define CORO_JIT_TYPE "x86-unix" |
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288 | #endif |
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289 | #endif |
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290 | #endif |
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291 | |
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292 | #if !defined(CORO_JIT_TYPE) || _POSIX_MEMORY_PROTECTION <= 0 |
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293 | #undef CORO_JIT |
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294 | #endif |
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295 | |
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296 | #if CORO_JIT |
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297 | typedef void (*load_save_perl_slots_type)(perl_slots *); |
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298 | static load_save_perl_slots_type load_perl_slots, save_perl_slots; |
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299 | #endif |
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300 | |
309 | /** Coro::Select ************************************************************/ |
301 | /** Coro::Select ************************************************************/ |
310 | |
302 | |
311 | static OP *(*coro_old_pp_sselect) (pTHX); |
303 | static OP *(*coro_old_pp_sselect) (pTHX); |
312 | static SV *coro_select_select; |
304 | static SV *coro_select_select; |
313 | |
305 | |
… | |
… | |
328 | |
320 | |
329 | /** time stuff **************************************************************/ |
321 | /** time stuff **************************************************************/ |
330 | |
322 | |
331 | #ifdef HAS_GETTIMEOFDAY |
323 | #ifdef HAS_GETTIMEOFDAY |
332 | |
324 | |
333 | static void |
325 | ecb_inline void |
334 | coro_u2time (pTHX_ UV ret[2]) |
326 | coro_u2time (pTHX_ UV ret[2]) |
335 | { |
327 | { |
336 | struct timeval tv; |
328 | struct timeval tv; |
337 | gettimeofday (&tv, 0); |
329 | gettimeofday (&tv, 0); |
338 | |
330 | |
339 | ret [0] = tv.tv_sec; |
331 | ret [0] = tv.tv_sec; |
340 | ret [1] = tv.tv_usec; |
332 | ret [1] = tv.tv_usec; |
341 | } |
333 | } |
342 | |
334 | |
343 | static double |
335 | ecb_inline double |
344 | coro_nvtime () |
336 | coro_nvtime (void) |
345 | { |
337 | { |
346 | struct timeval tv; |
338 | struct timeval tv; |
347 | gettimeofday (&tv, 0); |
339 | gettimeofday (&tv, 0); |
348 | |
340 | |
349 | return tv.tv_sec + tv.tv_usec * 1e-6; |
341 | return tv.tv_sec + tv.tv_usec * 1e-6; |
350 | } |
342 | } |
351 | |
343 | |
352 | static void |
344 | ecb_inline void |
353 | time_init (pTHX) |
345 | time_init (pTHX) |
354 | { |
346 | { |
355 | nvtime = coro_nvtime; |
347 | nvtime = coro_nvtime; |
356 | u2time = coro_u2time; |
348 | u2time = coro_u2time; |
357 | } |
349 | } |
358 | |
350 | |
359 | #else |
351 | #else |
360 | |
352 | |
361 | static void |
353 | ecb_inline void |
362 | time_init (pTHX) |
354 | time_init (pTHX) |
363 | { |
355 | { |
364 | SV **svp; |
356 | SV **svp; |
365 | |
357 | |
366 | require_pv ("Time/HiRes.pm"); |
358 | require_pv ("Time/HiRes.pm"); |
367 | |
359 | |
368 | svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
360 | svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
369 | |
361 | |
370 | if (!svp) croak ("Time::HiRes is required, but missing. Caught"); |
362 | if (!svp) croak ("Time::HiRes is required, but missing. Caught"); |
371 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer. Caught"); |
363 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer. Caught"); |
372 | |
364 | |
… | |
… | |
378 | |
370 | |
379 | #endif |
371 | #endif |
380 | |
372 | |
381 | /** lowlevel stuff **********************************************************/ |
373 | /** lowlevel stuff **********************************************************/ |
382 | |
374 | |
383 | static SV * |
375 | static SV * ecb_noinline |
384 | coro_get_sv (pTHX_ const char *name, int create) |
376 | coro_get_sv (pTHX_ const char *name, int create) |
385 | { |
377 | { |
386 | #if PERL_VERSION_ATLEAST (5,10,0) |
378 | #if PERL_VERSION_ATLEAST (5,10,0) |
387 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
379 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
388 | get_sv (name, create); |
380 | get_sv (name, create); |
389 | #endif |
381 | #endif |
390 | return get_sv (name, create); |
382 | return get_sv (name, create); |
391 | } |
383 | } |
392 | |
384 | |
393 | static AV * |
385 | static AV * ecb_noinline |
394 | coro_get_av (pTHX_ const char *name, int create) |
386 | coro_get_av (pTHX_ const char *name, int create) |
395 | { |
387 | { |
396 | #if PERL_VERSION_ATLEAST (5,10,0) |
388 | #if PERL_VERSION_ATLEAST (5,10,0) |
397 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
389 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
398 | get_av (name, create); |
390 | get_av (name, create); |
399 | #endif |
391 | #endif |
400 | return get_av (name, create); |
392 | return get_av (name, create); |
401 | } |
393 | } |
402 | |
394 | |
403 | static HV * |
395 | static HV * ecb_noinline |
404 | coro_get_hv (pTHX_ const char *name, int create) |
396 | coro_get_hv (pTHX_ const char *name, int create) |
405 | { |
397 | { |
406 | #if PERL_VERSION_ATLEAST (5,10,0) |
398 | #if PERL_VERSION_ATLEAST (5,10,0) |
407 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
399 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
408 | get_hv (name, create); |
400 | get_hv (name, create); |
409 | #endif |
401 | #endif |
410 | return get_hv (name, create); |
402 | return get_hv (name, create); |
411 | } |
403 | } |
412 | |
404 | |
413 | INLINE void |
405 | ecb_inline void |
414 | coro_times_update () |
406 | coro_times_update (void) |
415 | { |
407 | { |
416 | #ifdef coro_clock_gettime |
408 | #ifdef coro_clock_gettime |
417 | struct timespec ts; |
409 | struct timespec ts; |
418 | |
410 | |
419 | ts.tv_sec = ts.tv_nsec = 0; |
411 | ts.tv_sec = ts.tv_nsec = 0; |
… | |
… | |
431 | time_real [0] = tv [0]; |
423 | time_real [0] = tv [0]; |
432 | time_real [1] = tv [1] * 1000; |
424 | time_real [1] = tv [1] * 1000; |
433 | #endif |
425 | #endif |
434 | } |
426 | } |
435 | |
427 | |
436 | INLINE void |
428 | ecb_inline void |
437 | coro_times_add (struct coro *c) |
429 | coro_times_add (struct coro *c) |
438 | { |
430 | { |
439 | c->t_real [1] += time_real [1]; |
431 | c->t_real [1] += time_real [1]; |
440 | if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } |
432 | if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } |
441 | c->t_real [0] += time_real [0]; |
433 | c->t_real [0] += time_real [0]; |
… | |
… | |
443 | c->t_cpu [1] += time_cpu [1]; |
435 | c->t_cpu [1] += time_cpu [1]; |
444 | if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } |
436 | if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } |
445 | c->t_cpu [0] += time_cpu [0]; |
437 | c->t_cpu [0] += time_cpu [0]; |
446 | } |
438 | } |
447 | |
439 | |
448 | INLINE void |
440 | ecb_inline void |
449 | coro_times_sub (struct coro *c) |
441 | coro_times_sub (struct coro *c) |
450 | { |
442 | { |
451 | if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } |
443 | if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } |
452 | c->t_real [1] -= time_real [1]; |
444 | c->t_real [1] -= time_real [1]; |
453 | c->t_real [0] -= time_real [0]; |
445 | c->t_real [0] -= time_real [0]; |
… | |
… | |
461 | /* magic glue */ |
453 | /* magic glue */ |
462 | |
454 | |
463 | #define CORO_MAGIC_type_cv 26 |
455 | #define CORO_MAGIC_type_cv 26 |
464 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
456 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
465 | |
457 | |
466 | #define CORO_MAGIC_NN(sv, type) \ |
458 | #define CORO_MAGIC_NN(sv, type) \ |
467 | (expect_true (SvMAGIC (sv)->mg_type == type) \ |
459 | (ecb_expect_true (SvMAGIC (sv)->mg_type == type) \ |
468 | ? SvMAGIC (sv) \ |
460 | ? SvMAGIC (sv) \ |
469 | : mg_find (sv, type)) |
461 | : mg_find (sv, type)) |
470 | |
462 | |
471 | #define CORO_MAGIC(sv, type) \ |
463 | #define CORO_MAGIC(sv, type) \ |
472 | (expect_true (SvMAGIC (sv)) \ |
464 | (ecb_expect_true (SvMAGIC (sv)) \ |
473 | ? CORO_MAGIC_NN (sv, type) \ |
465 | ? CORO_MAGIC_NN (sv, type) \ |
474 | : 0) |
466 | : 0) |
475 | |
467 | |
476 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
468 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
477 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
469 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
478 | |
470 | |
479 | INLINE MAGIC * |
471 | ecb_inline MAGIC * |
480 | SvSTATEhv_p (pTHX_ SV *coro) |
472 | SvSTATEhv_p (pTHX_ SV *coro) |
481 | { |
473 | { |
482 | MAGIC *mg; |
474 | MAGIC *mg; |
483 | |
475 | |
484 | if (expect_true ( |
476 | if (ecb_expect_true ( |
485 | SvTYPE (coro) == SVt_PVHV |
477 | SvTYPE (coro) == SVt_PVHV |
486 | && (mg = CORO_MAGIC_state (coro)) |
478 | && (mg = CORO_MAGIC_state (coro)) |
487 | && mg->mg_virtual == &coro_state_vtbl |
479 | && mg->mg_virtual == &coro_state_vtbl |
488 | )) |
480 | )) |
489 | return mg; |
481 | return mg; |
490 | |
482 | |
491 | return 0; |
483 | return 0; |
492 | } |
484 | } |
493 | |
485 | |
494 | INLINE struct coro * |
486 | ecb_inline struct coro * |
495 | SvSTATE_ (pTHX_ SV *coro) |
487 | SvSTATE_ (pTHX_ SV *coro) |
496 | { |
488 | { |
497 | MAGIC *mg; |
489 | MAGIC *mg; |
498 | |
490 | |
499 | if (SvROK (coro)) |
491 | if (SvROK (coro)) |
… | |
… | |
513 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
505 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
514 | |
506 | |
515 | /*****************************************************************************/ |
507 | /*****************************************************************************/ |
516 | /* padlist management and caching */ |
508 | /* padlist management and caching */ |
517 | |
509 | |
518 | static AV * |
510 | ecb_inline PADLIST * |
519 | coro_derive_padlist (pTHX_ CV *cv) |
511 | coro_derive_padlist (pTHX_ CV *cv) |
520 | { |
512 | { |
521 | AV *padlist = CvPADLIST (cv); |
513 | PADLIST *padlist = CvPADLIST (cv); |
522 | AV *newpadlist, *newpad; |
514 | PADLIST *newpadlist; |
|
|
515 | PAD *newpad; |
|
|
516 | PADOFFSET off = PadlistMAX (padlist) + 1; |
523 | |
517 | |
524 | newpadlist = newAV (); |
518 | #if NEWPADAPI |
|
|
519 | |
|
|
520 | while (!PadlistARRAY (padlist)[off - 1]) |
|
|
521 | --off; |
|
|
522 | |
|
|
523 | Perl_pad_push (aTHX_ padlist, off); |
|
|
524 | newpad = PadlistARRAY (padlist)[off]; |
|
|
525 | PadlistARRAY (padlist)[off] = 0; |
|
|
526 | |
|
|
527 | #else |
|
|
528 | |
|
|
529 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
530 | Perl_pad_push (aTHX_ padlist, off); |
|
|
531 | #else |
|
|
532 | Perl_pad_push (aTHX_ padlist, off, 1); |
|
|
533 | #endif |
|
|
534 | |
|
|
535 | newpad = PadlistARRAY (padlist)[off]; |
|
|
536 | PadlistMAX (padlist) = off - 1; |
|
|
537 | |
|
|
538 | #endif |
|
|
539 | |
|
|
540 | newPADLIST (newpadlist); |
|
|
541 | #if !PERL_VERSION_ATLEAST(5,15,3) |
|
|
542 | /* Padlists are AvREAL as of 5.15.3. See perl bug #98092 and perl commit 7d953ba. */ |
525 | AvREAL_off (newpadlist); |
543 | AvREAL_off (newpadlist); |
526 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
527 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1); |
|
|
528 | #else |
|
|
529 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
|
|
530 | #endif |
544 | #endif |
531 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
|
|
532 | --AvFILLp (padlist); |
|
|
533 | |
545 | |
534 | av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0])); |
546 | /* Already extended to 2 elements by newPADLIST. */ |
535 | av_store (newpadlist, 1, (SV *)newpad); |
547 | PadlistMAX (newpadlist) = 1; |
|
|
548 | PadlistNAMES (newpadlist) = (PADNAMELIST *)SvREFCNT_inc_NN (PadlistNAMES (padlist)); |
|
|
549 | PadlistARRAY (newpadlist)[1] = newpad; |
536 | |
550 | |
537 | return newpadlist; |
551 | return newpadlist; |
538 | } |
552 | } |
539 | |
553 | |
540 | static void |
554 | ecb_inline void |
541 | free_padlist (pTHX_ AV *padlist) |
555 | free_padlist (pTHX_ PADLIST *padlist) |
542 | { |
556 | { |
543 | /* may be during global destruction */ |
557 | /* may be during global destruction */ |
544 | if (!IN_DESTRUCT) |
558 | if (!IN_DESTRUCT) |
545 | { |
559 | { |
546 | I32 i = AvFILLp (padlist); |
560 | I32 i = PadlistMAX (padlist); |
547 | |
561 | |
548 | while (i > 0) /* special-case index 0 */ |
562 | while (i > 0) /* special-case index 0 */ |
549 | { |
563 | { |
550 | /* we try to be extra-careful here */ |
564 | /* we try to be extra-careful here */ |
551 | AV *av = (AV *)AvARRAY (padlist)[i--]; |
565 | PAD *pad = PadlistARRAY (padlist)[i--]; |
552 | I32 j = AvFILLp (av); |
566 | I32 j = PadMAX (pad); |
553 | |
567 | |
554 | while (j >= 0) |
568 | while (j >= 0) |
555 | SvREFCNT_dec (AvARRAY (av)[j--]); |
569 | SvREFCNT_dec (PadARRAY (pad)[j--]); |
556 | |
570 | |
557 | AvFILLp (av) = -1; |
571 | PadMAX (pad) = -1; |
558 | SvREFCNT_dec (av); |
572 | SvREFCNT_dec (pad); |
559 | } |
573 | } |
560 | |
574 | |
561 | SvREFCNT_dec (AvARRAY (padlist)[0]); |
575 | SvREFCNT_dec (PadlistNAMES (padlist)); |
562 | |
576 | |
|
|
577 | #if NEWPADAPI |
|
|
578 | Safefree (PadlistARRAY (padlist)); |
|
|
579 | Safefree (padlist); |
|
|
580 | #else |
563 | AvFILLp (padlist) = -1; |
581 | AvFILLp (padlist) = -1; |
|
|
582 | AvREAL_off (padlist); |
564 | SvREFCNT_dec ((SV*)padlist); |
583 | SvREFCNT_dec ((SV*)padlist); |
|
|
584 | #endif |
565 | } |
585 | } |
566 | } |
586 | } |
567 | |
587 | |
568 | static int |
588 | static int |
569 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
589 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
570 | { |
590 | { |
571 | AV *padlist; |
591 | PADLIST *padlist; |
572 | AV *av = (AV *)mg->mg_obj; |
592 | PADLIST **padlists = (PADLIST **)(mg->mg_ptr + sizeof(size_t)); |
|
|
593 | size_t len = *(size_t *)mg->mg_ptr; |
573 | |
594 | |
574 | /* perl manages to free our internal AV and _then_ call us */ |
595 | /* perl manages to free our internal AV and _then_ call us */ |
575 | if (IN_DESTRUCT) |
596 | if (IN_DESTRUCT) |
576 | return 0; |
597 | return 0; |
577 | |
598 | |
578 | /* casting is fun. */ |
599 | while (len--) |
579 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
|
|
580 | free_padlist (aTHX_ padlist); |
600 | free_padlist (aTHX_ padlists[len]); |
581 | |
|
|
582 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
|
|
583 | |
601 | |
584 | return 0; |
602 | return 0; |
585 | } |
603 | } |
586 | |
604 | |
587 | static MGVTBL coro_cv_vtbl = { |
605 | static MGVTBL coro_cv_vtbl = { |
588 | 0, 0, 0, 0, |
606 | 0, 0, 0, 0, |
589 | coro_cv_free |
607 | coro_cv_free |
590 | }; |
608 | }; |
591 | |
609 | |
592 | /* the next two functions merely cache the padlists */ |
610 | /* the next two functions merely cache the padlists */ |
593 | static void |
611 | ecb_inline void |
594 | get_padlist (pTHX_ CV *cv) |
612 | get_padlist (pTHX_ CV *cv) |
595 | { |
613 | { |
596 | MAGIC *mg = CORO_MAGIC_cv (cv); |
614 | MAGIC *mg = CORO_MAGIC_cv (cv); |
597 | AV *av; |
615 | size_t *lenp; |
598 | |
616 | |
599 | if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
617 | if (ecb_expect_true (mg && *(lenp = (size_t *)mg->mg_ptr))) |
600 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
618 | CvPADLIST (cv) = ((PADLIST **)(mg->mg_ptr + sizeof(size_t)))[--*lenp]; |
601 | else |
619 | else |
602 | { |
620 | { |
603 | #if CORO_PREFER_PERL_FUNCTIONS |
621 | #if CORO_PREFER_PERL_FUNCTIONS |
604 | /* this is probably cleaner? but also slower! */ |
622 | /* this is probably cleaner? but also slower! */ |
605 | /* in practise, it seems to be less stable */ |
623 | /* in practise, it seems to be less stable */ |
… | |
… | |
611 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
629 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
612 | #endif |
630 | #endif |
613 | } |
631 | } |
614 | } |
632 | } |
615 | |
633 | |
616 | static void |
634 | ecb_inline void |
617 | put_padlist (pTHX_ CV *cv) |
635 | put_padlist (pTHX_ CV *cv) |
618 | { |
636 | { |
619 | MAGIC *mg = CORO_MAGIC_cv (cv); |
637 | MAGIC *mg = CORO_MAGIC_cv (cv); |
620 | AV *av; |
|
|
621 | |
638 | |
622 | if (expect_false (!mg)) |
639 | if (ecb_expect_false (!mg)) |
|
|
640 | { |
623 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
641 | mg = sv_magicext ((SV *)cv, 0, CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
|
|
642 | Newz (0, mg->mg_ptr ,sizeof (size_t) + sizeof (PADLIST *), char); |
|
|
643 | mg->mg_len = 1; /* so mg_free frees mg_ptr */ |
|
|
644 | } |
|
|
645 | else |
|
|
646 | Renew (mg->mg_ptr, |
|
|
647 | sizeof(size_t) + (*(size_t *)mg->mg_ptr + 1) * sizeof(PADLIST *), |
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|
648 | char); |
624 | |
649 | |
625 | av = (AV *)mg->mg_obj; |
650 | ((PADLIST **)(mg->mg_ptr + sizeof (size_t))) [(*(size_t *)mg->mg_ptr)++] = CvPADLIST (cv); |
626 | |
|
|
627 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
|
|
628 | av_extend (av, AvFILLp (av) + 1); |
|
|
629 | |
|
|
630 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
|
|
631 | } |
651 | } |
632 | |
652 | |
633 | /** load & save, init *******************************************************/ |
653 | /** load & save, init *******************************************************/ |
634 | |
654 | |
|
|
655 | ecb_inline void |
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|
656 | swap_sv (SV *a, SV *b) |
|
|
657 | { |
|
|
658 | const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */ |
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659 | SV tmp; |
|
|
660 | |
|
|
661 | /* swap sv_any */ |
|
|
662 | SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp); |
|
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663 | |
|
|
664 | /* swap sv_flags */ |
|
|
665 | SvFLAGS (&tmp) = SvFLAGS (a); |
|
|
666 | SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep); |
|
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667 | SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep); |
|
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668 | |
|
|
669 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
670 | /* perl 5.10 and later complicates this _quite_ a bit, but it also |
|
|
671 | * is much faster, so no quarrels here. alternatively, we could |
|
|
672 | * sv_upgrade to avoid this. |
|
|
673 | */ |
|
|
674 | { |
|
|
675 | /* swap sv_u */ |
|
|
676 | tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u; |
|
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677 | |
|
|
678 | /* if SvANY points to the head, we need to adjust the pointers, |
|
|
679 | * as the pointer for a still points to b, and maybe vice versa. |
|
|
680 | */ |
|
|
681 | #define svany_in_head(type) \ |
|
|
682 | (((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type))) |
|
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683 | |
|
|
684 | if (svany_in_head (SvTYPE (a))) |
|
|
685 | SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a); |
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686 | |
|
|
687 | if (svany_in_head (SvTYPE (b))) |
|
|
688 | SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b); |
|
|
689 | } |
|
|
690 | #endif |
|
|
691 | } |
|
|
692 | |
635 | /* swap sv heads, at least logically */ |
693 | /* swap sv heads, at least logically */ |
636 | static void |
694 | static void |
637 | swap_svs (pTHX_ Coro__State c) |
695 | swap_svs (pTHX_ Coro__State c) |
638 | { |
696 | { |
639 | int i; |
697 | int i; |
640 | |
698 | |
641 | for (i = 0; i <= AvFILLp (c->swap_sv); ) |
699 | for (i = 0; i <= AvFILLp (c->swap_sv); i += 2) |
642 | { |
700 | swap_sv (AvARRAY (c->swap_sv)[i], AvARRAY (c->swap_sv)[i + 1]); |
643 | SV *a = AvARRAY (c->swap_sv)[i++]; |
|
|
644 | SV *b = AvARRAY (c->swap_sv)[i++]; |
|
|
645 | |
|
|
646 | const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */ |
|
|
647 | SV tmp; |
|
|
648 | |
|
|
649 | /* swap sv_any */ |
|
|
650 | SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp); |
|
|
651 | |
|
|
652 | /* swap sv_flags */ |
|
|
653 | SvFLAGS (&tmp) = SvFLAGS (a); |
|
|
654 | SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep); |
|
|
655 | SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep); |
|
|
656 | |
|
|
657 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
658 | /* perl 5.10 complicates this _quite_ a bit, but it also is |
|
|
659 | * much faster, so no quarrels here. alternatively, we could |
|
|
660 | * sv_upgrade to avoid this. |
|
|
661 | */ |
|
|
662 | { |
|
|
663 | /* swap sv_u */ |
|
|
664 | tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u; |
|
|
665 | |
|
|
666 | /* if SvANY points to the head, we need to adjust the pointers, |
|
|
667 | * as the pointer for a still points to b, and maybe vice versa. |
|
|
668 | */ |
|
|
669 | #define svany_in_head(type) \ |
|
|
670 | (((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type))) |
|
|
671 | |
|
|
672 | if (svany_in_head (SvTYPE (a))) |
|
|
673 | SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a); |
|
|
674 | |
|
|
675 | if (svany_in_head (SvTYPE (b))) |
|
|
676 | SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b); |
|
|
677 | } |
|
|
678 | #endif |
|
|
679 | } |
|
|
680 | } |
701 | } |
681 | |
702 | |
682 | #define SWAP_SVS(coro) \ |
703 | #define SWAP_SVS(coro) \ |
683 | if (expect_false ((coro)->swap_sv)) \ |
704 | if (ecb_expect_false ((coro)->swap_sv)) \ |
684 | swap_svs (aTHX_ (coro)) |
705 | swap_svs (aTHX_ (coro)) |
685 | |
706 | |
686 | static void |
707 | static void |
687 | on_enterleave_call (pTHX_ SV *cb); |
708 | on_enterleave_call (pTHX_ SV *cb); |
688 | |
709 | |
… | |
… | |
692 | perl_slots *slot = c->slot; |
713 | perl_slots *slot = c->slot; |
693 | c->slot = 0; |
714 | c->slot = 0; |
694 | |
715 | |
695 | PL_mainstack = c->mainstack; |
716 | PL_mainstack = c->mainstack; |
696 | |
717 | |
697 | GvSV (PL_defgv) = slot->defsv; |
718 | #if CORO_JIT |
698 | GvAV (PL_defgv) = slot->defav; |
719 | load_perl_slots (slot); |
699 | GvSV (PL_errgv) = slot->errsv; |
720 | #else |
700 | GvSV (irsgv) = slot->irsgv; |
|
|
701 | GvHV (PL_hintgv) = slot->hinthv; |
|
|
702 | |
|
|
703 | #define VAR(name,type) PL_ ## name = slot->name; |
721 | #define VARx(name,expr,type) expr = slot->name; |
704 | # include "state.h" |
722 | #include "state.h" |
705 | #undef VAR |
723 | #endif |
706 | |
724 | |
707 | { |
725 | { |
708 | dSP; |
726 | dSP; |
709 | |
727 | |
710 | CV *cv; |
728 | CV *cv; |
711 | |
729 | |
712 | /* now do the ugly restore mess */ |
730 | /* now do the ugly restore mess */ |
713 | while (expect_true (cv = (CV *)POPs)) |
731 | while (ecb_expect_true (cv = (CV *)POPs)) |
714 | { |
732 | { |
715 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
733 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
716 | CvDEPTH (cv) = PTR2IV (POPs); |
734 | CvDEPTH (cv) = PTR2IV (POPs); |
717 | CvPADLIST (cv) = (AV *)POPs; |
735 | CvPADLIST (cv) = (PADLIST *)POPs; |
718 | } |
736 | } |
719 | |
737 | |
720 | PUTBACK; |
738 | PUTBACK; |
721 | } |
739 | } |
722 | |
740 | |
723 | slf_frame = c->slf_frame; |
741 | slf_frame = c->slf_frame; |
724 | CORO_THROW = c->except; |
742 | CORO_THROW = c->except; |
725 | |
743 | |
726 | if (expect_false (enable_times)) |
744 | if (ecb_expect_false (enable_times)) |
727 | { |
745 | { |
728 | if (expect_false (!times_valid)) |
746 | if (ecb_expect_false (!times_valid)) |
729 | coro_times_update (); |
747 | coro_times_update (); |
730 | |
748 | |
731 | coro_times_sub (c); |
749 | coro_times_sub (c); |
732 | } |
750 | } |
733 | |
751 | |
734 | if (expect_false (c->on_enter)) |
752 | if (ecb_expect_false (c->on_enter)) |
735 | { |
753 | { |
736 | int i; |
754 | int i; |
737 | |
755 | |
738 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
756 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
739 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
757 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
… | |
… | |
745 | static void |
763 | static void |
746 | save_perl (pTHX_ Coro__State c) |
764 | save_perl (pTHX_ Coro__State c) |
747 | { |
765 | { |
748 | SWAP_SVS (c); |
766 | SWAP_SVS (c); |
749 | |
767 | |
750 | if (expect_false (c->on_leave)) |
768 | if (ecb_expect_false (c->on_leave)) |
751 | { |
769 | { |
752 | int i; |
770 | int i; |
753 | |
771 | |
754 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
772 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
755 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
773 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
756 | } |
774 | } |
757 | |
775 | |
758 | times_valid = 0; |
776 | times_valid = 0; |
759 | |
777 | |
760 | if (expect_false (enable_times)) |
778 | if (ecb_expect_false (enable_times)) |
761 | { |
779 | { |
762 | coro_times_update (); times_valid = 1; |
780 | coro_times_update (); times_valid = 1; |
763 | coro_times_add (c); |
781 | coro_times_add (c); |
764 | } |
782 | } |
765 | |
783 | |
… | |
… | |
779 | |
797 | |
780 | XPUSHs (Nullsv); |
798 | XPUSHs (Nullsv); |
781 | /* this loop was inspired by pp_caller */ |
799 | /* this loop was inspired by pp_caller */ |
782 | for (;;) |
800 | for (;;) |
783 | { |
801 | { |
784 | while (expect_true (cxix >= 0)) |
802 | while (ecb_expect_true (cxix >= 0)) |
785 | { |
803 | { |
786 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
804 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
787 | |
805 | |
788 | if (expect_true (CxTYPE (cx) == CXt_SUB) || expect_false (CxTYPE (cx) == CXt_FORMAT)) |
806 | if (ecb_expect_true (CxTYPE (cx) == CXt_SUB) || ecb_expect_false (CxTYPE (cx) == CXt_FORMAT)) |
789 | { |
807 | { |
790 | CV *cv = cx->blk_sub.cv; |
808 | CV *cv = cx->blk_sub.cv; |
791 | |
809 | |
792 | if (expect_true (CvDEPTH (cv))) |
810 | if (ecb_expect_true (CvDEPTH (cv))) |
793 | { |
811 | { |
794 | EXTEND (SP, 3); |
812 | EXTEND (SP, 3); |
795 | PUSHs ((SV *)CvPADLIST (cv)); |
813 | PUSHs ((SV *)CvPADLIST (cv)); |
796 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
814 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
797 | PUSHs ((SV *)cv); |
815 | PUSHs ((SV *)cv); |
… | |
… | |
800 | get_padlist (aTHX_ cv); |
818 | get_padlist (aTHX_ cv); |
801 | } |
819 | } |
802 | } |
820 | } |
803 | } |
821 | } |
804 | |
822 | |
805 | if (expect_true (top_si->si_type == PERLSI_MAIN)) |
823 | if (ecb_expect_true (top_si->si_type == PERLSI_MAIN)) |
806 | break; |
824 | break; |
807 | |
825 | |
808 | top_si = top_si->si_prev; |
826 | top_si = top_si->si_prev; |
809 | ccstk = top_si->si_cxstack; |
827 | ccstk = top_si->si_cxstack; |
810 | cxix = top_si->si_cxix; |
828 | cxix = top_si->si_cxix; |
… | |
… | |
812 | |
830 | |
813 | PUTBACK; |
831 | PUTBACK; |
814 | } |
832 | } |
815 | |
833 | |
816 | /* allocate some space on the context stack for our purposes */ |
834 | /* allocate some space on the context stack for our purposes */ |
817 | if (expect_false (cxstack_ix + SLOT_COUNT >= cxstack_max)) |
835 | if (ecb_expect_false (cxstack_ix + (int)SLOT_COUNT >= cxstack_max)) |
818 | { |
836 | { |
819 | unsigned int i; |
837 | unsigned int i; |
820 | |
838 | |
821 | for (i = 0; i < SLOT_COUNT; ++i) |
839 | for (i = 0; i < SLOT_COUNT; ++i) |
822 | CXINC; |
840 | CXINC; |
… | |
… | |
827 | c->mainstack = PL_mainstack; |
845 | c->mainstack = PL_mainstack; |
828 | |
846 | |
829 | { |
847 | { |
830 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
848 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
831 | |
849 | |
832 | slot->defav = GvAV (PL_defgv); |
850 | #if CORO_JIT |
833 | slot->defsv = DEFSV; |
851 | save_perl_slots (slot); |
834 | slot->errsv = ERRSV; |
852 | #else |
835 | slot->irsgv = GvSV (irsgv); |
|
|
836 | slot->hinthv = GvHV (PL_hintgv); |
|
|
837 | |
|
|
838 | #define VAR(name,type) slot->name = PL_ ## name; |
853 | #define VARx(name,expr,type) slot->name = expr; |
839 | # include "state.h" |
854 | #include "state.h" |
840 | #undef VAR |
855 | #endif |
841 | } |
856 | } |
842 | } |
857 | } |
843 | |
858 | |
844 | /* |
859 | /* |
845 | * allocate various perl stacks. This is almost an exact copy |
860 | * allocate various perl stacks. This is almost an exact copy |
… | |
… | |
876 | #endif |
891 | #endif |
877 | |
892 | |
878 | New(54,PL_scopestack,8,I32); |
893 | New(54,PL_scopestack,8,I32); |
879 | PL_scopestack_ix = 0; |
894 | PL_scopestack_ix = 0; |
880 | PL_scopestack_max = 8; |
895 | PL_scopestack_max = 8; |
|
|
896 | #if HAS_SCOPESTACK_NAME |
|
|
897 | New(54,PL_scopestack_name,8,const char*); |
|
|
898 | #endif |
881 | |
899 | |
882 | New(54,PL_savestack,24,ANY); |
900 | New(54,PL_savestack,24,ANY); |
883 | PL_savestack_ix = 0; |
901 | PL_savestack_ix = 0; |
884 | PL_savestack_max = 24; |
902 | PL_savestack_max = 24; |
885 | |
903 | |
… | |
… | |
913 | } |
931 | } |
914 | |
932 | |
915 | Safefree (PL_tmps_stack); |
933 | Safefree (PL_tmps_stack); |
916 | Safefree (PL_markstack); |
934 | Safefree (PL_markstack); |
917 | Safefree (PL_scopestack); |
935 | Safefree (PL_scopestack); |
|
|
936 | #if HAS_SCOPESTACK_NAME |
|
|
937 | Safefree (PL_scopestack_name); |
|
|
938 | #endif |
918 | Safefree (PL_savestack); |
939 | Safefree (PL_savestack); |
919 | #if !PERL_VERSION_ATLEAST (5,10,0) |
940 | #if !PERL_VERSION_ATLEAST (5,10,0) |
920 | Safefree (PL_retstack); |
941 | Safefree (PL_retstack); |
921 | #endif |
942 | #endif |
922 | } |
943 | } |
… | |
… | |
971 | * This overrides the default magic get method of %SIG elements. |
992 | * This overrides the default magic get method of %SIG elements. |
972 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
993 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
973 | * and instead of trying to save and restore the hash elements (extremely slow), |
994 | * and instead of trying to save and restore the hash elements (extremely slow), |
974 | * we just provide our own readback here. |
995 | * we just provide our own readback here. |
975 | */ |
996 | */ |
976 | static int |
997 | static int ecb_cold |
977 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
998 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
978 | { |
999 | { |
979 | const char *s = MgPV_nolen_const (mg); |
1000 | const char *s = MgPV_nolen_const (mg); |
980 | |
1001 | |
981 | if (*s == '_') |
1002 | if (*s == '_') |
982 | { |
1003 | { |
983 | SV **svp = 0; |
1004 | SV **svp = 0; |
984 | |
1005 | |
985 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
1006 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
986 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
1007 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
987 | |
1008 | |
988 | if (svp) |
1009 | if (svp) |
989 | { |
1010 | { |
990 | sv_setsv (sv, *svp ? *svp : &PL_sv_undef); |
1011 | SV *ssv; |
|
|
1012 | |
|
|
1013 | if (!*svp) |
|
|
1014 | ssv = &PL_sv_undef; |
|
|
1015 | else if (SvTYPE (*svp) == SVt_PVCV) /* perlio directly stores a CV in warnhook. ugh. */ |
|
|
1016 | ssv = sv_2mortal (newRV_inc (*svp)); |
|
|
1017 | else |
|
|
1018 | ssv = *svp; |
|
|
1019 | |
|
|
1020 | sv_setsv (sv, ssv); |
991 | return 0; |
1021 | return 0; |
992 | } |
1022 | } |
993 | } |
1023 | } |
994 | |
1024 | |
995 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
1025 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
996 | } |
1026 | } |
997 | |
1027 | |
998 | static int |
1028 | static int ecb_cold |
999 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
1029 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
1000 | { |
1030 | { |
1001 | const char *s = MgPV_nolen_const (mg); |
1031 | const char *s = MgPV_nolen_const (mg); |
1002 | |
1032 | |
1003 | if (*s == '_') |
1033 | if (*s == '_') |
… | |
… | |
1017 | } |
1047 | } |
1018 | |
1048 | |
1019 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
1049 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
1020 | } |
1050 | } |
1021 | |
1051 | |
1022 | static int |
1052 | static int ecb_cold |
1023 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
1053 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
1024 | { |
1054 | { |
1025 | const char *s = MgPV_nolen_const (mg); |
1055 | const char *s = MgPV_nolen_const (mg); |
1026 | |
1056 | |
1027 | if (*s == '_') |
1057 | if (*s == '_') |
… | |
… | |
1062 | return 1; |
1092 | return 1; |
1063 | } |
1093 | } |
1064 | |
1094 | |
1065 | static UNOP init_perl_op; |
1095 | static UNOP init_perl_op; |
1066 | |
1096 | |
1067 | static void NOINLINE /* noinline to keep it out of the transfer fast path */ |
1097 | ecb_noinline static void /* noinline to keep it out of the transfer fast path */ |
1068 | init_perl (pTHX_ struct coro *coro) |
1098 | init_perl (pTHX_ struct coro *coro) |
1069 | { |
1099 | { |
1070 | /* |
1100 | /* |
1071 | * emulate part of the perl startup here. |
1101 | * emulate part of the perl startup here. |
1072 | */ |
1102 | */ |
… | |
… | |
1089 | PL_hints = 0; |
1119 | PL_hints = 0; |
1090 | |
1120 | |
1091 | /* recreate the die/warn hooks */ |
1121 | /* recreate the die/warn hooks */ |
1092 | PL_diehook = SvREFCNT_inc (rv_diehook); |
1122 | PL_diehook = SvREFCNT_inc (rv_diehook); |
1093 | PL_warnhook = SvREFCNT_inc (rv_warnhook); |
1123 | PL_warnhook = SvREFCNT_inc (rv_warnhook); |
1094 | |
1124 | |
1095 | GvSV (PL_defgv) = newSV (0); |
1125 | GvSV (PL_defgv) = newSV (0); |
1096 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1126 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1097 | GvSV (PL_errgv) = newSV (0); |
1127 | GvSV (PL_errgv) = newSV (0); |
1098 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
1128 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
1099 | GvHV (PL_hintgv) = 0; |
1129 | GvHV (PL_hintgv) = 0; |
… | |
… | |
1134 | /* copy throw, in case it was set before init_perl */ |
1164 | /* copy throw, in case it was set before init_perl */ |
1135 | CORO_THROW = coro->except; |
1165 | CORO_THROW = coro->except; |
1136 | |
1166 | |
1137 | SWAP_SVS (coro); |
1167 | SWAP_SVS (coro); |
1138 | |
1168 | |
1139 | if (expect_false (enable_times)) |
1169 | if (ecb_expect_false (enable_times)) |
1140 | { |
1170 | { |
1141 | coro_times_update (); |
1171 | coro_times_update (); |
1142 | coro_times_sub (coro); |
1172 | coro_times_sub (coro); |
1143 | } |
1173 | } |
1144 | } |
1174 | } |
… | |
… | |
1187 | /* restore swapped sv's */ |
1217 | /* restore swapped sv's */ |
1188 | SWAP_SVS (coro); |
1218 | SWAP_SVS (coro); |
1189 | |
1219 | |
1190 | coro_destruct_stacks (aTHX); |
1220 | coro_destruct_stacks (aTHX); |
1191 | |
1221 | |
1192 | // now save some sv's to be free'd later |
1222 | /* now save some sv's to be free'd later */ |
1193 | svf [0] = GvSV (PL_defgv); |
1223 | svf [0] = GvSV (PL_defgv); |
1194 | svf [1] = (SV *)GvAV (PL_defgv); |
1224 | svf [1] = (SV *)GvAV (PL_defgv); |
1195 | svf [2] = GvSV (PL_errgv); |
1225 | svf [2] = GvSV (PL_errgv); |
1196 | svf [3] = (SV *)PL_defoutgv; |
1226 | svf [3] = (SV *)PL_defoutgv; |
1197 | svf [4] = PL_rs; |
1227 | svf [4] = PL_rs; |
… | |
… | |
1217 | SvREFCNT_dec (coro->invoke_cb); |
1247 | SvREFCNT_dec (coro->invoke_cb); |
1218 | SvREFCNT_dec (coro->invoke_av); |
1248 | SvREFCNT_dec (coro->invoke_av); |
1219 | } |
1249 | } |
1220 | } |
1250 | } |
1221 | |
1251 | |
1222 | INLINE void |
1252 | ecb_inline void |
1223 | free_coro_mortal (pTHX) |
1253 | free_coro_mortal (pTHX) |
1224 | { |
1254 | { |
1225 | if (expect_true (coro_mortal)) |
1255 | if (ecb_expect_true (coro_mortal)) |
1226 | { |
1256 | { |
1227 | SvREFCNT_dec ((SV *)coro_mortal); |
1257 | SvREFCNT_dec ((SV *)coro_mortal); |
1228 | coro_mortal = 0; |
1258 | coro_mortal = 0; |
1229 | } |
1259 | } |
1230 | } |
1260 | } |
… | |
… | |
1365 | |
1395 | |
1366 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1396 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1367 | } |
1397 | } |
1368 | |
1398 | |
1369 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1399 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1370 | static void NOINLINE |
1400 | static void ecb_noinline |
1371 | cctx_prepare (pTHX) |
1401 | cctx_prepare (pTHX) |
1372 | { |
1402 | { |
1373 | PL_top_env = &PL_start_env; |
1403 | PL_top_env = &PL_start_env; |
1374 | |
1404 | |
1375 | if (cctx_current->flags & CC_TRACE) |
1405 | if (cctx_current->flags & CC_TRACE) |
… | |
… | |
1386 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1416 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1387 | slf_frame.check = slf_check_set_stacklevel; |
1417 | slf_frame.check = slf_check_set_stacklevel; |
1388 | } |
1418 | } |
1389 | |
1419 | |
1390 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1420 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1391 | INLINE void |
1421 | ecb_inline void |
1392 | transfer_tail (pTHX) |
1422 | transfer_tail (pTHX) |
1393 | { |
1423 | { |
1394 | free_coro_mortal (aTHX); |
1424 | free_coro_mortal (aTHX); |
|
|
1425 | } |
|
|
1426 | |
|
|
1427 | /* try to exit the same way perl's main function would do */ |
|
|
1428 | /* we do not bother resetting the environment or other things *7 |
|
|
1429 | /* that are not, uhm, essential */ |
|
|
1430 | /* this obviously also doesn't work when perl is embedded */ |
|
|
1431 | static void ecb_noinline ecb_cold |
|
|
1432 | perlish_exit (pTHX) |
|
|
1433 | { |
|
|
1434 | int exitstatus = perl_destruct (PL_curinterp); |
|
|
1435 | perl_free (PL_curinterp); |
|
|
1436 | exit (exitstatus); |
1395 | } |
1437 | } |
1396 | |
1438 | |
1397 | /* |
1439 | /* |
1398 | * this is a _very_ stripped down perl interpreter ;) |
1440 | * this is a _very_ stripped down perl interpreter ;) |
1399 | */ |
1441 | */ |
… | |
… | |
1428 | */ |
1470 | */ |
1429 | |
1471 | |
1430 | /* |
1472 | /* |
1431 | * If perl-run returns we assume exit() was being called or the coro |
1473 | * If perl-run returns we assume exit() was being called or the coro |
1432 | * fell off the end, which seems to be the only valid (non-bug) |
1474 | * fell off the end, which seems to be the only valid (non-bug) |
1433 | * reason for perl_run to return. We try to exit by jumping to the |
1475 | * reason for perl_run to return. We try to mimic whatever perl is normally |
1434 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
1476 | * doing in that case. YMMV. |
1435 | * coroutine as Coro has no such concept. |
|
|
1436 | * This actually isn't valid with the pthread backend, but OSes requiring |
|
|
1437 | * that backend are too broken to do it in a standards-compliant way. |
|
|
1438 | */ |
1477 | */ |
1439 | PL_top_env = main_top_env; |
1478 | perlish_exit (aTHX); |
1440 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
|
|
1441 | } |
1479 | } |
1442 | } |
1480 | } |
1443 | |
1481 | |
1444 | static coro_cctx * |
1482 | static coro_cctx * |
1445 | cctx_new () |
1483 | cctx_new (void) |
1446 | { |
1484 | { |
1447 | coro_cctx *cctx; |
1485 | coro_cctx *cctx; |
1448 | |
1486 | |
1449 | ++cctx_count; |
1487 | ++cctx_count; |
1450 | New (0, cctx, 1, coro_cctx); |
1488 | New (0, cctx, 1, coro_cctx); |
… | |
… | |
1456 | return cctx; |
1494 | return cctx; |
1457 | } |
1495 | } |
1458 | |
1496 | |
1459 | /* create a new cctx only suitable as source */ |
1497 | /* create a new cctx only suitable as source */ |
1460 | static coro_cctx * |
1498 | static coro_cctx * |
1461 | cctx_new_empty () |
1499 | cctx_new_empty (void) |
1462 | { |
1500 | { |
1463 | coro_cctx *cctx = cctx_new (); |
1501 | coro_cctx *cctx = cctx_new (); |
1464 | |
1502 | |
1465 | cctx->sptr = 0; |
1503 | cctx->stack.sptr = 0; |
1466 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
1504 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
1467 | |
1505 | |
1468 | return cctx; |
1506 | return cctx; |
1469 | } |
1507 | } |
1470 | |
1508 | |
1471 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1509 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1472 | static coro_cctx * |
1510 | static coro_cctx * |
1473 | cctx_new_run () |
1511 | cctx_new_run (void) |
1474 | { |
1512 | { |
1475 | coro_cctx *cctx = cctx_new (); |
1513 | coro_cctx *cctx = cctx_new (); |
1476 | void *stack_start; |
|
|
1477 | size_t stack_size; |
|
|
1478 | |
1514 | |
1479 | #if HAVE_MMAP |
1515 | if (!coro_stack_alloc (&cctx->stack, cctx_stacksize)) |
1480 | cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
|
|
1481 | /* mmap supposedly does allocate-on-write for us */ |
|
|
1482 | cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
|
|
1483 | |
|
|
1484 | if (cctx->sptr != (void *)-1) |
|
|
1485 | { |
|
|
1486 | #if CORO_STACKGUARD |
|
|
1487 | mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); |
|
|
1488 | #endif |
|
|
1489 | stack_start = (char *)cctx->sptr + CORO_STACKGUARD * PAGESIZE; |
|
|
1490 | stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE; |
|
|
1491 | cctx->flags |= CC_MAPPED; |
|
|
1492 | } |
1516 | { |
1493 | else |
|
|
1494 | #endif |
|
|
1495 | { |
|
|
1496 | cctx->ssize = cctx_stacksize * (long)sizeof (long); |
|
|
1497 | New (0, cctx->sptr, cctx_stacksize, long); |
|
|
1498 | |
|
|
1499 | if (!cctx->sptr) |
|
|
1500 | { |
|
|
1501 | perror ("FATAL: unable to allocate stack for coroutine, exiting."); |
1517 | perror ("FATAL: unable to allocate stack for coroutine, exiting."); |
1502 | _exit (EXIT_FAILURE); |
1518 | _exit (EXIT_FAILURE); |
1503 | } |
|
|
1504 | |
|
|
1505 | stack_start = cctx->sptr; |
|
|
1506 | stack_size = cctx->ssize; |
|
|
1507 | } |
1519 | } |
1508 | |
1520 | |
1509 | #if CORO_USE_VALGRIND |
|
|
1510 | cctx->valgrind_id = VALGRIND_STACK_REGISTER ((char *)stack_start, (char *)stack_start + stack_size); |
|
|
1511 | #endif |
|
|
1512 | |
|
|
1513 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size); |
1521 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, cctx->stack.sptr, cctx->stack.ssze); |
1514 | |
1522 | |
1515 | return cctx; |
1523 | return cctx; |
1516 | } |
1524 | } |
1517 | |
1525 | |
1518 | static void |
1526 | static void |
… | |
… | |
1524 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current)); |
1532 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current)); |
1525 | |
1533 | |
1526 | --cctx_count; |
1534 | --cctx_count; |
1527 | coro_destroy (&cctx->cctx); |
1535 | coro_destroy (&cctx->cctx); |
1528 | |
1536 | |
1529 | /* coro_transfer creates new, empty cctx's */ |
1537 | coro_stack_free (&cctx->stack); |
1530 | if (cctx->sptr) |
|
|
1531 | { |
|
|
1532 | #if CORO_USE_VALGRIND |
|
|
1533 | VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); |
|
|
1534 | #endif |
|
|
1535 | |
|
|
1536 | #if HAVE_MMAP |
|
|
1537 | if (cctx->flags & CC_MAPPED) |
|
|
1538 | munmap (cctx->sptr, cctx->ssize); |
|
|
1539 | else |
|
|
1540 | #endif |
|
|
1541 | Safefree (cctx->sptr); |
|
|
1542 | } |
|
|
1543 | |
1538 | |
1544 | Safefree (cctx); |
1539 | Safefree (cctx); |
1545 | } |
1540 | } |
1546 | |
1541 | |
1547 | /* wether this cctx should be destructed */ |
1542 | /* wether this cctx should be destructed */ |
1548 | #define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) |
1543 | #define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) |
1549 | |
1544 | |
1550 | static coro_cctx * |
1545 | static coro_cctx * |
1551 | cctx_get (pTHX) |
1546 | cctx_get (pTHX) |
1552 | { |
1547 | { |
1553 | while (expect_true (cctx_first)) |
1548 | while (ecb_expect_true (cctx_first)) |
1554 | { |
1549 | { |
1555 | coro_cctx *cctx = cctx_first; |
1550 | coro_cctx *cctx = cctx_first; |
1556 | cctx_first = cctx->next; |
1551 | cctx_first = cctx->next; |
1557 | --cctx_idle; |
1552 | --cctx_idle; |
1558 | |
1553 | |
1559 | if (expect_true (!CCTX_EXPIRED (cctx))) |
1554 | if (ecb_expect_true (!CCTX_EXPIRED (cctx))) |
1560 | return cctx; |
1555 | return cctx; |
1561 | |
1556 | |
1562 | cctx_destroy (cctx); |
1557 | cctx_destroy (cctx); |
1563 | } |
1558 | } |
1564 | |
1559 | |
… | |
… | |
1566 | } |
1561 | } |
1567 | |
1562 | |
1568 | static void |
1563 | static void |
1569 | cctx_put (coro_cctx *cctx) |
1564 | cctx_put (coro_cctx *cctx) |
1570 | { |
1565 | { |
1571 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr)); |
1566 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->stack.sptr)); |
1572 | |
1567 | |
1573 | /* free another cctx if overlimit */ |
1568 | /* free another cctx if overlimit */ |
1574 | if (expect_false (cctx_idle >= cctx_max_idle)) |
1569 | if (ecb_expect_false (cctx_idle >= cctx_max_idle)) |
1575 | { |
1570 | { |
1576 | coro_cctx *first = cctx_first; |
1571 | coro_cctx *first = cctx_first; |
1577 | cctx_first = first->next; |
1572 | cctx_first = first->next; |
1578 | --cctx_idle; |
1573 | --cctx_idle; |
1579 | |
1574 | |
… | |
… | |
1590 | static void |
1585 | static void |
1591 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1586 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1592 | { |
1587 | { |
1593 | /* TODO: throwing up here is considered harmful */ |
1588 | /* TODO: throwing up here is considered harmful */ |
1594 | |
1589 | |
1595 | if (expect_true (prev != next)) |
1590 | if (ecb_expect_true (prev != next)) |
1596 | { |
1591 | { |
1597 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1592 | if (ecb_expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1598 | croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); |
1593 | croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); |
1599 | |
1594 | |
1600 | if (expect_false (next->flags & (CF_RUNNING | CF_ZOMBIE | CF_SUSPENDED))) |
1595 | if (ecb_expect_false (next->flags & (CF_RUNNING | CF_ZOMBIE | CF_SUSPENDED))) |
1601 | croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); |
1596 | croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); |
1602 | |
1597 | |
1603 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1598 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1604 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1599 | if (ecb_expect_false (PL_lex_state != LEX_NOTPARSING)) |
1605 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1600 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1606 | #endif |
1601 | #endif |
1607 | } |
1602 | } |
1608 | } |
1603 | } |
1609 | |
1604 | |
1610 | /* always use the TRANSFER macro */ |
1605 | /* always use the TRANSFER macro */ |
1611 | static void NOINLINE /* noinline so we have a fixed stackframe */ |
1606 | static void ecb_noinline /* noinline so we have a fixed stackframe */ |
1612 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1607 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1613 | { |
1608 | { |
1614 | dSTACKLEVEL; |
1609 | dSTACKLEVEL; |
1615 | |
1610 | |
1616 | /* sometimes transfer is only called to set idle_sp */ |
1611 | /* sometimes transfer is only called to set idle_sp */ |
1617 | if (expect_false (!prev)) |
1612 | if (ecb_expect_false (!prev)) |
1618 | { |
1613 | { |
1619 | cctx_current->idle_sp = STACKLEVEL; |
1614 | cctx_current->idle_sp = STACKLEVEL; |
1620 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1615 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1621 | } |
1616 | } |
1622 | else if (expect_true (prev != next)) |
1617 | else if (ecb_expect_true (prev != next)) |
1623 | { |
1618 | { |
1624 | coro_cctx *cctx_prev; |
1619 | coro_cctx *cctx_prev; |
1625 | |
1620 | |
1626 | if (expect_false (prev->flags & CF_NEW)) |
1621 | if (ecb_expect_false (prev->flags & CF_NEW)) |
1627 | { |
1622 | { |
1628 | /* create a new empty/source context */ |
1623 | /* create a new empty/source context */ |
1629 | prev->flags &= ~CF_NEW; |
1624 | prev->flags &= ~CF_NEW; |
1630 | prev->flags |= CF_RUNNING; |
1625 | prev->flags |= CF_RUNNING; |
1631 | } |
1626 | } |
… | |
… | |
1634 | next->flags |= CF_RUNNING; |
1629 | next->flags |= CF_RUNNING; |
1635 | |
1630 | |
1636 | /* first get rid of the old state */ |
1631 | /* first get rid of the old state */ |
1637 | save_perl (aTHX_ prev); |
1632 | save_perl (aTHX_ prev); |
1638 | |
1633 | |
1639 | if (expect_false (next->flags & CF_NEW)) |
1634 | if (ecb_expect_false (next->flags & CF_NEW)) |
1640 | { |
1635 | { |
1641 | /* need to start coroutine */ |
1636 | /* need to start coroutine */ |
1642 | next->flags &= ~CF_NEW; |
1637 | next->flags &= ~CF_NEW; |
1643 | /* setup coroutine call */ |
1638 | /* setup coroutine call */ |
1644 | init_perl (aTHX_ next); |
1639 | init_perl (aTHX_ next); |
1645 | } |
1640 | } |
1646 | else |
1641 | else |
1647 | load_perl (aTHX_ next); |
1642 | load_perl (aTHX_ next); |
1648 | |
1643 | |
1649 | /* possibly untie and reuse the cctx */ |
1644 | /* possibly untie and reuse the cctx */ |
1650 | if (expect_true ( |
1645 | if (ecb_expect_true ( |
1651 | cctx_current->idle_sp == STACKLEVEL |
1646 | cctx_current->idle_sp == STACKLEVEL |
1652 | && !(cctx_current->flags & CC_TRACE) |
1647 | && !(cctx_current->flags & CC_TRACE) |
1653 | && !force_cctx |
1648 | && !force_cctx |
1654 | )) |
1649 | )) |
1655 | { |
1650 | { |
1656 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1651 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1657 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1652 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1658 | |
1653 | |
1659 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1654 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1660 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1655 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1661 | if (expect_false (CCTX_EXPIRED (cctx_current))) |
1656 | if (ecb_expect_false (CCTX_EXPIRED (cctx_current))) |
1662 | if (expect_true (!next->cctx)) |
1657 | if (ecb_expect_true (!next->cctx)) |
1663 | next->cctx = cctx_get (aTHX); |
1658 | next->cctx = cctx_get (aTHX); |
1664 | |
1659 | |
1665 | cctx_put (cctx_current); |
1660 | cctx_put (cctx_current); |
1666 | } |
1661 | } |
1667 | else |
1662 | else |
1668 | prev->cctx = cctx_current; |
1663 | prev->cctx = cctx_current; |
1669 | |
1664 | |
1670 | ++next->usecount; |
1665 | ++next->usecount; |
1671 | |
1666 | |
1672 | cctx_prev = cctx_current; |
1667 | cctx_prev = cctx_current; |
1673 | cctx_current = expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1668 | cctx_current = ecb_expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1674 | |
1669 | |
1675 | next->cctx = 0; |
1670 | next->cctx = 0; |
1676 | |
1671 | |
1677 | if (expect_false (cctx_prev != cctx_current)) |
1672 | if (ecb_expect_false (cctx_prev != cctx_current)) |
1678 | { |
1673 | { |
1679 | cctx_prev->top_env = PL_top_env; |
1674 | cctx_prev->top_env = PL_top_env; |
1680 | PL_top_env = cctx_current->top_env; |
1675 | PL_top_env = cctx_current->top_env; |
1681 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1676 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1682 | } |
1677 | } |
… | |
… | |
1702 | return; |
1697 | return; |
1703 | |
1698 | |
1704 | slf_destroy (aTHX_ coro); |
1699 | slf_destroy (aTHX_ coro); |
1705 | |
1700 | |
1706 | coro->flags |= CF_ZOMBIE; |
1701 | coro->flags |= CF_ZOMBIE; |
1707 | |
1702 | |
1708 | if (coro->flags & CF_READY) |
1703 | if (coro->flags & CF_READY) |
1709 | { |
1704 | { |
1710 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1705 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1711 | /* alternative: look through all ready queues and remove the coro */ |
1706 | /* alternative: look through all ready queues and remove the coro */ |
1712 | --coro_nready; |
1707 | --coro_nready; |
… | |
… | |
1748 | Safefree (coro); |
1743 | Safefree (coro); |
1749 | |
1744 | |
1750 | return 0; |
1745 | return 0; |
1751 | } |
1746 | } |
1752 | |
1747 | |
1753 | static int |
1748 | static int ecb_cold |
1754 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1749 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1755 | { |
1750 | { |
1756 | /* called when perl clones the current process the slow way (windows process emulation) */ |
1751 | /* called when perl clones the current process the slow way (windows process emulation) */ |
1757 | /* WE SIMply nuke the pointers in the copy, causing perl to croak */ |
1752 | /* WE SIMply nuke the pointers in the copy, causing perl to croak */ |
1758 | mg->mg_ptr = 0; |
1753 | mg->mg_ptr = 0; |
… | |
… | |
1789 | TRANSFER (ta, 1); |
1784 | TRANSFER (ta, 1); |
1790 | } |
1785 | } |
1791 | |
1786 | |
1792 | /** Coro ********************************************************************/ |
1787 | /** Coro ********************************************************************/ |
1793 | |
1788 | |
1794 | INLINE void |
1789 | ecb_inline void |
1795 | coro_enq (pTHX_ struct coro *coro) |
1790 | coro_enq (pTHX_ struct coro *coro) |
1796 | { |
1791 | { |
1797 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1792 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1798 | |
1793 | |
1799 | SvREFCNT_inc_NN (coro->hv); |
1794 | SvREFCNT_inc_NN (coro->hv); |
… | |
… | |
1801 | coro->next_ready = 0; |
1796 | coro->next_ready = 0; |
1802 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
1797 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
1803 | ready [1] = coro; |
1798 | ready [1] = coro; |
1804 | } |
1799 | } |
1805 | |
1800 | |
1806 | INLINE struct coro * |
1801 | ecb_inline struct coro * |
1807 | coro_deq (pTHX) |
1802 | coro_deq (pTHX) |
1808 | { |
1803 | { |
1809 | int prio; |
1804 | int prio; |
1810 | |
1805 | |
1811 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
1806 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
… | |
… | |
1864 | { |
1859 | { |
1865 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1860 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1866 | } |
1861 | } |
1867 | |
1862 | |
1868 | /* expects to own a reference to next->hv */ |
1863 | /* expects to own a reference to next->hv */ |
1869 | INLINE void |
1864 | ecb_inline void |
1870 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1865 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1871 | { |
1866 | { |
1872 | SV *prev_sv = SvRV (coro_current); |
1867 | SV *prev_sv = SvRV (coro_current); |
1873 | |
1868 | |
1874 | ta->prev = SvSTATE_hv (prev_sv); |
1869 | ta->prev = SvSTATE_hv (prev_sv); |
… | |
… | |
1887 | { |
1882 | { |
1888 | for (;;) |
1883 | for (;;) |
1889 | { |
1884 | { |
1890 | struct coro *next = coro_deq (aTHX); |
1885 | struct coro *next = coro_deq (aTHX); |
1891 | |
1886 | |
1892 | if (expect_true (next)) |
1887 | if (ecb_expect_true (next)) |
1893 | { |
1888 | { |
1894 | /* cannot transfer to destroyed coros, skip and look for next */ |
1889 | /* cannot transfer to destroyed coros, skip and look for next */ |
1895 | if (expect_false (next->flags & (CF_ZOMBIE | CF_SUSPENDED))) |
1890 | if (ecb_expect_false (next->flags & (CF_ZOMBIE | CF_SUSPENDED))) |
1896 | SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ |
1891 | SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ |
1897 | else |
1892 | else |
1898 | { |
1893 | { |
1899 | next->flags &= ~CF_READY; |
1894 | next->flags &= ~CF_READY; |
1900 | --coro_nready; |
1895 | --coro_nready; |
… | |
… | |
1933 | } |
1928 | } |
1934 | } |
1929 | } |
1935 | } |
1930 | } |
1936 | } |
1931 | } |
1937 | |
1932 | |
1938 | INLINE void |
1933 | ecb_inline void |
1939 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1934 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1940 | { |
1935 | { |
1941 | api_ready (aTHX_ coro_current); |
1936 | api_ready (aTHX_ coro_current); |
1942 | prepare_schedule (aTHX_ ta); |
1937 | prepare_schedule (aTHX_ ta); |
1943 | } |
1938 | } |
1944 | |
1939 | |
1945 | INLINE void |
1940 | ecb_inline void |
1946 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
1941 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
1947 | { |
1942 | { |
1948 | SV *prev = SvRV (coro_current); |
1943 | SV *prev = SvRV (coro_current); |
1949 | |
1944 | |
1950 | if (coro_nready) |
1945 | if (coro_nready) |
… | |
… | |
1980 | { |
1975 | { |
1981 | struct coro_transfer_args ta; |
1976 | struct coro_transfer_args ta; |
1982 | |
1977 | |
1983 | prepare_cede (aTHX_ &ta); |
1978 | prepare_cede (aTHX_ &ta); |
1984 | |
1979 | |
1985 | if (expect_true (ta.prev != ta.next)) |
1980 | if (ecb_expect_true (ta.prev != ta.next)) |
1986 | { |
1981 | { |
1987 | TRANSFER (ta, 1); |
1982 | TRANSFER (ta, 1); |
1988 | return 1; |
1983 | return 1; |
1989 | } |
1984 | } |
1990 | else |
1985 | else |
… | |
… | |
2115 | { |
2110 | { |
2116 | AV *od = coro->on_destroy; |
2111 | AV *od = coro->on_destroy; |
2117 | |
2112 | |
2118 | if (!od) |
2113 | if (!od) |
2119 | return; |
2114 | return; |
|
|
2115 | |
|
|
2116 | coro->on_destroy = 0; |
|
|
2117 | sv_2mortal ((SV *)od); |
2120 | |
2118 | |
2121 | while (AvFILLp (od) >= 0) |
2119 | while (AvFILLp (od) >= 0) |
2122 | { |
2120 | { |
2123 | SV *cb = sv_2mortal (av_pop (od)); |
2121 | SV *cb = sv_2mortal (av_pop (od)); |
2124 | |
2122 | |
… | |
… | |
2145 | |
2143 | |
2146 | static void |
2144 | static void |
2147 | coro_set_status (pTHX_ struct coro *coro, SV **arg, int items) |
2145 | coro_set_status (pTHX_ struct coro *coro, SV **arg, int items) |
2148 | { |
2146 | { |
2149 | AV *av; |
2147 | AV *av; |
2150 | |
2148 | |
2151 | if (coro->status) |
2149 | if (coro->status) |
2152 | { |
2150 | { |
2153 | av = coro->status; |
2151 | av = coro->status; |
2154 | av_clear (av); |
2152 | av_clear (av); |
2155 | } |
2153 | } |
… | |
… | |
2202 | |
2200 | |
2203 | coro = SvSTATE (arg [0]); |
2201 | coro = SvSTATE (arg [0]); |
2204 | coro_hv = coro->hv; |
2202 | coro_hv = coro->hv; |
2205 | |
2203 | |
2206 | coro_set_status (aTHX_ coro, arg + 1, items - 1); |
2204 | coro_set_status (aTHX_ coro, arg + 1, items - 1); |
2207 | |
2205 | |
2208 | if (expect_false (coro->flags & CF_NOCANCEL)) |
2206 | if (ecb_expect_false (coro->flags & CF_NOCANCEL)) |
2209 | { |
2207 | { |
2210 | /* coro currently busy cancelling something, so just notify it */ |
2208 | /* coro currently busy cancelling something, so just notify it */ |
2211 | coro->slf_frame.data = (void *)coro; |
2209 | coro->slf_frame.data = (void *)coro; |
2212 | |
2210 | |
2213 | frame->prepare = prepare_nop; |
2211 | frame->prepare = prepare_nop; |
… | |
… | |
2321 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2319 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2322 | { |
2320 | { |
2323 | HV *hv = (HV *)SvRV (coro_current); |
2321 | HV *hv = (HV *)SvRV (coro_current); |
2324 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
2322 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
2325 | |
2323 | |
2326 | if (expect_true (coro->saved_deffh)) |
2324 | if (ecb_expect_true (coro->saved_deffh)) |
2327 | { |
2325 | { |
2328 | /* subsequent iteration */ |
2326 | /* subsequent iteration */ |
2329 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
2327 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
2330 | coro->saved_deffh = 0; |
2328 | coro->saved_deffh = 0; |
2331 | |
2329 | |
… | |
… | |
2391 | |
2389 | |
2392 | static int |
2390 | static int |
2393 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
2391 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
2394 | { |
2392 | { |
2395 | SV *data = (SV *)frame->data; |
2393 | SV *data = (SV *)frame->data; |
2396 | |
2394 | |
2397 | if (CORO_THROW) |
2395 | if (CORO_THROW) |
2398 | return 0; |
2396 | return 0; |
2399 | |
2397 | |
2400 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2398 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2401 | return 1; |
2399 | return 1; |
… | |
… | |
2437 | cb = sv_2mortal (coro->rouse_cb); |
2435 | cb = sv_2mortal (coro->rouse_cb); |
2438 | coro->rouse_cb = 0; |
2436 | coro->rouse_cb = 0; |
2439 | } |
2437 | } |
2440 | |
2438 | |
2441 | if (!SvROK (cb) |
2439 | if (!SvROK (cb) |
2442 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2440 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2443 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2441 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2444 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2442 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2445 | |
2443 | |
2446 | { |
2444 | { |
2447 | CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ |
2445 | CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ |
… | |
… | |
2597 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
2595 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
2598 | |
2596 | |
2599 | /* set up the slf frame, unless it has already been set-up */ |
2597 | /* set up the slf frame, unless it has already been set-up */ |
2600 | /* the latter happens when a new coro has been started */ |
2598 | /* the latter happens when a new coro has been started */ |
2601 | /* or when a new cctx was attached to an existing coroutine */ |
2599 | /* or when a new cctx was attached to an existing coroutine */ |
2602 | if (expect_true (!slf_frame.prepare)) |
2600 | if (ecb_expect_true (!slf_frame.prepare)) |
2603 | { |
2601 | { |
2604 | /* first iteration */ |
2602 | /* first iteration */ |
2605 | dSP; |
2603 | dSP; |
2606 | SV **arg = PL_stack_base + TOPMARK + 1; |
2604 | SV **arg = PL_stack_base + TOPMARK + 1; |
2607 | int items = SP - arg; /* args without function object */ |
2605 | int items = SP - arg; /* args without function object */ |
… | |
… | |
2648 | while (slf_frame.check (aTHX_ &slf_frame)); |
2646 | while (slf_frame.check (aTHX_ &slf_frame)); |
2649 | |
2647 | |
2650 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
2648 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
2651 | |
2649 | |
2652 | /* exception handling */ |
2650 | /* exception handling */ |
2653 | if (expect_false (CORO_THROW)) |
2651 | if (ecb_expect_false (CORO_THROW)) |
2654 | { |
2652 | { |
2655 | SV *exception = sv_2mortal (CORO_THROW); |
2653 | SV *exception = sv_2mortal (CORO_THROW); |
2656 | |
2654 | |
2657 | CORO_THROW = 0; |
2655 | CORO_THROW = 0; |
2658 | sv_setsv (ERRSV, exception); |
2656 | sv_setsv (ERRSV, exception); |
… | |
… | |
2660 | } |
2658 | } |
2661 | |
2659 | |
2662 | /* return value handling - mostly like entersub */ |
2660 | /* return value handling - mostly like entersub */ |
2663 | /* make sure we put something on the stack in scalar context */ |
2661 | /* make sure we put something on the stack in scalar context */ |
2664 | if (GIMME_V == G_SCALAR |
2662 | if (GIMME_V == G_SCALAR |
2665 | && expect_false (PL_stack_sp != PL_stack_base + checkmark + 1)) |
2663 | && ecb_expect_false (PL_stack_sp != PL_stack_base + checkmark + 1)) |
2666 | { |
2664 | { |
2667 | dSP; |
2665 | dSP; |
2668 | SV **bot = PL_stack_base + checkmark; |
2666 | SV **bot = PL_stack_base + checkmark; |
2669 | |
2667 | |
2670 | if (sp == bot) /* too few, push undef */ |
2668 | if (sp == bot) /* too few, push undef */ |
… | |
… | |
2784 | { |
2782 | { |
2785 | PerlIOBuf base; |
2783 | PerlIOBuf base; |
2786 | NV next, every; |
2784 | NV next, every; |
2787 | } PerlIOCede; |
2785 | } PerlIOCede; |
2788 | |
2786 | |
2789 | static IV |
2787 | static IV ecb_cold |
2790 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
2788 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
2791 | { |
2789 | { |
2792 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2790 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2793 | |
2791 | |
2794 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
2792 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
2795 | self->next = nvtime () + self->every; |
2793 | self->next = nvtime () + self->every; |
2796 | |
2794 | |
2797 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
2795 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
2798 | } |
2796 | } |
2799 | |
2797 | |
2800 | static SV * |
2798 | static SV * ecb_cold |
2801 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
2799 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
2802 | { |
2800 | { |
2803 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2801 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2804 | |
2802 | |
2805 | return newSVnv (self->every); |
2803 | return newSVnv (self->every); |
… | |
… | |
2950 | { |
2948 | { |
2951 | int i; |
2949 | int i; |
2952 | /* if we were woken up but can't down, we look through the whole */ |
2950 | /* if we were woken up but can't down, we look through the whole */ |
2953 | /* waiters list and only add us if we aren't in there already */ |
2951 | /* waiters list and only add us if we aren't in there already */ |
2954 | /* this avoids some degenerate memory usage cases */ |
2952 | /* this avoids some degenerate memory usage cases */ |
2955 | for (i = AvFILLp (av); i > 0; --i) // i > 0 is not an off-by-one bug |
2953 | for (i = AvFILLp (av); i > 0; --i) /* i > 0 is not an off-by-one bug */ |
2956 | if (AvARRAY (av)[i] == coro_hv) |
2954 | if (AvARRAY (av)[i] == coro_hv) |
2957 | return 1; |
2955 | return 1; |
2958 | |
2956 | |
2959 | av_push (av, SvREFCNT_inc (coro_hv)); |
2957 | av_push (av, SvREFCNT_inc (coro_hv)); |
2960 | return 1; |
2958 | return 1; |
… | |
… | |
3168 | /* it quickly returns */ |
3166 | /* it quickly returns */ |
3169 | if (CORO_THROW) |
3167 | if (CORO_THROW) |
3170 | return 0; |
3168 | return 0; |
3171 | |
3169 | |
3172 | /* one element that is an RV? repeat! */ |
3170 | /* one element that is an RV? repeat! */ |
3173 | if (AvFILLp (state) == 0 && SvROK (AvARRAY (state)[0])) |
3171 | if (AvFILLp (state) == 0 && SvTYPE (AvARRAY (state)[0]) != SVt_PV) |
3174 | return 1; |
3172 | return 1; |
3175 | |
3173 | |
3176 | /* restore status */ |
3174 | /* restore status */ |
3177 | { |
3175 | { |
3178 | SV *data_sv = av_pop (state); |
3176 | SV *data_sv = av_pop (state); |
… | |
… | |
3217 | dSP; |
3215 | dSP; |
3218 | |
3216 | |
3219 | static SV *prio_cv; |
3217 | static SV *prio_cv; |
3220 | static SV *prio_sv; |
3218 | static SV *prio_sv; |
3221 | |
3219 | |
3222 | if (expect_false (!prio_cv)) |
3220 | if (ecb_expect_false (!prio_cv)) |
3223 | { |
3221 | { |
3224 | prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0); |
3222 | prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0); |
3225 | prio_sv = newSViv (0); |
3223 | prio_sv = newSViv (0); |
3226 | } |
3224 | } |
3227 | |
3225 | |
… | |
… | |
3333 | } |
3331 | } |
3334 | |
3332 | |
3335 | return coro_sv; |
3333 | return coro_sv; |
3336 | } |
3334 | } |
3337 | |
3335 | |
|
|
3336 | #ifndef __cplusplus |
|
|
3337 | ecb_cold XS(boot_Coro__State); |
|
|
3338 | #endif |
|
|
3339 | |
|
|
3340 | #if CORO_JIT |
|
|
3341 | |
|
|
3342 | static void ecb_noinline ecb_cold |
|
|
3343 | pushav_4uv (pTHX_ UV a, UV b, UV c, UV d) |
|
|
3344 | { |
|
|
3345 | dSP; |
|
|
3346 | AV *av = newAV (); |
|
|
3347 | |
|
|
3348 | av_store (av, 3, newSVuv (d)); |
|
|
3349 | av_store (av, 2, newSVuv (c)); |
|
|
3350 | av_store (av, 1, newSVuv (b)); |
|
|
3351 | av_store (av, 0, newSVuv (a)); |
|
|
3352 | |
|
|
3353 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
3354 | |
|
|
3355 | PUTBACK; |
|
|
3356 | } |
|
|
3357 | |
|
|
3358 | static void ecb_noinline ecb_cold |
|
|
3359 | jit_init (pTHX) |
|
|
3360 | { |
|
|
3361 | dSP; |
|
|
3362 | SV *load, *save; |
|
|
3363 | char *map_base; |
|
|
3364 | char *load_ptr, *save_ptr; |
|
|
3365 | STRLEN load_len, save_len, map_len; |
|
|
3366 | int count; |
|
|
3367 | |
|
|
3368 | eval_pv ("require 'Coro/jit-" CORO_JIT_TYPE ".pl'", 1); |
|
|
3369 | |
|
|
3370 | PUSHMARK (SP); |
|
|
3371 | #define VARx(name,expr,type) pushav_4uv (aTHX_ (UV)&(expr), sizeof (expr), offsetof (perl_slots, name), sizeof (type)); |
|
|
3372 | #include "state.h" |
|
|
3373 | count = call_pv ("Coro::State::_jit", G_ARRAY); |
|
|
3374 | SPAGAIN; |
|
|
3375 | |
|
|
3376 | save = POPs; save_ptr = SvPVbyte (save, save_len); |
|
|
3377 | load = POPs; load_ptr = SvPVbyte (load, load_len); |
|
|
3378 | |
|
|
3379 | map_len = load_len + save_len + 16; |
|
|
3380 | |
|
|
3381 | map_base = mmap (0, map_len, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); |
|
|
3382 | |
|
|
3383 | assert (("Coro: unable to mmap jit code page, cannot continue.", map_base != (char *)MAP_FAILED)); |
|
|
3384 | |
|
|
3385 | load_perl_slots = (load_save_perl_slots_type)map_base; |
|
|
3386 | memcpy (map_base, load_ptr, load_len); |
|
|
3387 | |
|
|
3388 | map_base += (load_len + 15) & ~15; |
|
|
3389 | |
|
|
3390 | save_perl_slots = (load_save_perl_slots_type)map_base; |
|
|
3391 | memcpy (map_base, save_ptr, save_len); |
|
|
3392 | |
|
|
3393 | /* we are good citizens and try to make the page read-only, so the evil evil */ |
|
|
3394 | /* hackers might have it a bit more difficult */ |
|
|
3395 | mprotect (map_base, map_len, PROT_READ | PROT_EXEC); |
|
|
3396 | |
|
|
3397 | PUTBACK; |
|
|
3398 | eval_pv ("undef &Coro::State::_jit", 1); |
|
|
3399 | } |
|
|
3400 | |
|
|
3401 | #endif |
|
|
3402 | |
3338 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
3403 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
3339 | |
3404 | |
3340 | PROTOTYPES: DISABLE |
3405 | PROTOTYPES: DISABLE |
3341 | |
3406 | |
3342 | BOOT: |
3407 | BOOT: |
… | |
… | |
3344 | #ifdef USE_ITHREADS |
3409 | #ifdef USE_ITHREADS |
3345 | # if CORO_PTHREAD |
3410 | # if CORO_PTHREAD |
3346 | coro_thx = PERL_GET_CONTEXT; |
3411 | coro_thx = PERL_GET_CONTEXT; |
3347 | # endif |
3412 | # endif |
3348 | #endif |
3413 | #endif |
3349 | BOOT_PAGESIZE; |
3414 | /* perl defines these to check for existance first, but why it doesn't */ |
|
|
3415 | /* just create them one at init time is not clear to me, except for */ |
|
|
3416 | /* programs trying to delete them, but... */ |
|
|
3417 | /* anyway, we declare this as invalid and make sure they are initialised here */ |
|
|
3418 | DEFSV; |
|
|
3419 | ERRSV; |
3350 | |
3420 | |
3351 | cctx_current = cctx_new_empty (); |
3421 | cctx_current = cctx_new_empty (); |
3352 | |
3422 | |
3353 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3423 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3354 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3424 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
… | |
… | |
3397 | coroapi.prepare_cede_notself = prepare_cede_notself; |
3467 | coroapi.prepare_cede_notself = prepare_cede_notself; |
3398 | |
3468 | |
3399 | time_init (aTHX); |
3469 | time_init (aTHX); |
3400 | |
3470 | |
3401 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
3471 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
|
|
3472 | #if CORO_JIT |
|
|
3473 | PUTBACK; |
|
|
3474 | jit_init (aTHX); |
|
|
3475 | SPAGAIN; |
|
|
3476 | #endif |
3402 | } |
3477 | } |
3403 | |
3478 | |
3404 | SV * |
3479 | SV * |
3405 | new (SV *klass, ...) |
3480 | new (SV *klass, ...) |
3406 | ALIAS: |
3481 | ALIAS: |
… | |
… | |
3413 | void |
3488 | void |
3414 | transfer (...) |
3489 | transfer (...) |
3415 | PROTOTYPE: $$ |
3490 | PROTOTYPE: $$ |
3416 | CODE: |
3491 | CODE: |
3417 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3492 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3418 | |
|
|
3419 | void |
|
|
3420 | _exit (int code) |
|
|
3421 | PROTOTYPE: $ |
|
|
3422 | CODE: |
|
|
3423 | _exit (code); |
|
|
3424 | |
3493 | |
3425 | SV * |
3494 | SV * |
3426 | clone (Coro::State coro) |
3495 | clone (Coro::State coro) |
3427 | CODE: |
3496 | CODE: |
3428 | { |
3497 | { |
… | |
… | |
3483 | void |
3552 | void |
3484 | list () |
3553 | list () |
3485 | PROTOTYPE: |
3554 | PROTOTYPE: |
3486 | PPCODE: |
3555 | PPCODE: |
3487 | { |
3556 | { |
3488 | struct coro *coro; |
3557 | struct coro *coro; |
3489 | for (coro = coro_first; coro; coro = coro->next) |
3558 | for (coro = coro_first; coro; coro = coro->next) |
3490 | if (coro->hv) |
3559 | if (coro->hv) |
3491 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
3560 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
3492 | } |
3561 | } |
3493 | |
3562 | |
… | |
… | |
3557 | RETVAL = boolSV (coro->flags & ix); |
3626 | RETVAL = boolSV (coro->flags & ix); |
3558 | OUTPUT: |
3627 | OUTPUT: |
3559 | RETVAL |
3628 | RETVAL |
3560 | |
3629 | |
3561 | void |
3630 | void |
3562 | throw (Coro::State self, SV *exception = &PL_sv_undef) |
3631 | throw (SV *self, SV *exception = &PL_sv_undef) |
3563 | PROTOTYPE: $;$ |
3632 | PROTOTYPE: $;$ |
3564 | CODE: |
3633 | CODE: |
3565 | { |
3634 | { |
|
|
3635 | struct coro *coro = SvSTATE (self); |
3566 | struct coro *current = SvSTATE_current; |
3636 | struct coro *current = SvSTATE_current; |
3567 | SV **exceptionp = self == current ? &CORO_THROW : &self->except; |
3637 | SV **exceptionp = coro == current ? &CORO_THROW : &coro->except; |
3568 | SvREFCNT_dec (*exceptionp); |
3638 | SvREFCNT_dec (*exceptionp); |
3569 | SvGETMAGIC (exception); |
3639 | SvGETMAGIC (exception); |
3570 | *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; |
3640 | *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; |
|
|
3641 | |
|
|
3642 | api_ready (aTHX_ self); |
3571 | } |
3643 | } |
3572 | |
3644 | |
3573 | void |
3645 | void |
3574 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3646 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3575 | PROTOTYPE: $;$ |
3647 | PROTOTYPE: $;$ |
… | |
… | |
3652 | |
3724 | |
3653 | void |
3725 | void |
3654 | times (Coro::State self) |
3726 | times (Coro::State self) |
3655 | PPCODE: |
3727 | PPCODE: |
3656 | { |
3728 | { |
3657 | struct coro *current = SvSTATE (coro_current); |
3729 | struct coro *current = SvSTATE (coro_current); |
3658 | |
3730 | |
3659 | if (expect_false (current == self)) |
3731 | if (ecb_expect_false (current == self)) |
3660 | { |
3732 | { |
3661 | coro_times_update (); |
3733 | coro_times_update (); |
3662 | coro_times_add (SvSTATE (coro_current)); |
3734 | coro_times_add (SvSTATE (coro_current)); |
3663 | } |
3735 | } |
3664 | |
3736 | |
3665 | EXTEND (SP, 2); |
3737 | EXTEND (SP, 2); |
3666 | PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9))); |
3738 | PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9))); |
3667 | PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9))); |
3739 | PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9))); |
3668 | |
3740 | |
3669 | if (expect_false (current == self)) |
3741 | if (ecb_expect_false (current == self)) |
3670 | coro_times_sub (SvSTATE (coro_current)); |
3742 | coro_times_sub (SvSTATE (coro_current)); |
3671 | } |
3743 | } |
3672 | |
3744 | |
3673 | void |
3745 | void |
3674 | swap_sv (Coro::State coro, SV *sv, SV *swapsv) |
3746 | swap_sv (Coro::State coro, SV *sv, SV *swapsv) |
… | |
… | |
3705 | |
3777 | |
3706 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3778 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3707 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
3779 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
3708 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
3780 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
3709 | CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */ |
3781 | CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */ |
3710 | |
3782 | |
3711 | coro_stash = gv_stashpv ("Coro", TRUE); |
3783 | coro_stash = gv_stashpv ("Coro", TRUE); |
3712 | |
3784 | |
3713 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
3785 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
3714 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
3786 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
3715 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL)); |
3787 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL)); |
… | |
… | |
3937 | on_leave = 1 |
4009 | on_leave = 1 |
3938 | PROTOTYPE: & |
4010 | PROTOTYPE: & |
3939 | CODE: |
4011 | CODE: |
3940 | { |
4012 | { |
3941 | struct coro *coro = SvSTATE_current; |
4013 | struct coro *coro = SvSTATE_current; |
3942 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
4014 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
3943 | |
4015 | |
3944 | block = s_get_cv_croak (block); |
4016 | block = s_get_cv_croak (block); |
3945 | |
4017 | |
3946 | if (!*avp) |
4018 | if (!*avp) |
3947 | *avp = newAV (); |
4019 | *avp = newAV (); |
… | |
… | |
3967 | |
4039 | |
3968 | SV * |
4040 | SV * |
3969 | new (SV *klass, SV *count = 0) |
4041 | new (SV *klass, SV *count = 0) |
3970 | CODE: |
4042 | CODE: |
3971 | { |
4043 | { |
3972 | int semcnt = 1; |
4044 | int semcnt = 1; |
3973 | |
4045 | |
3974 | if (count) |
4046 | if (count) |
3975 | { |
4047 | { |
3976 | SvGETMAGIC (count); |
4048 | SvGETMAGIC (count); |
3977 | |
4049 | |
… | |
… | |
4037 | XSRETURN_NO; |
4109 | XSRETURN_NO; |
4038 | } |
4110 | } |
4039 | |
4111 | |
4040 | void |
4112 | void |
4041 | waiters (SV *self) |
4113 | waiters (SV *self) |
4042 | PPCODE: |
4114 | PPCODE: |
4043 | { |
4115 | { |
4044 | AV *av = (AV *)SvRV (self); |
4116 | AV *av = (AV *)SvRV (self); |
4045 | int wcount = AvFILLp (av) + 1 - 1; |
4117 | int wcount = AvFILLp (av) + 1 - 1; |
4046 | |
4118 | |
4047 | if (GIMME_V == G_SCALAR) |
4119 | if (GIMME_V == G_SCALAR) |
… | |
… | |
4056 | } |
4128 | } |
4057 | |
4129 | |
4058 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
4130 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
4059 | |
4131 | |
4060 | void |
4132 | void |
4061 | _may_delete (SV *sem, int count, int extra_refs) |
4133 | _may_delete (SV *sem, int count, unsigned int extra_refs) |
4062 | PPCODE: |
4134 | PPCODE: |
4063 | { |
4135 | { |
4064 | AV *av = (AV *)SvRV (sem); |
4136 | AV *av = (AV *)SvRV (sem); |
4065 | |
4137 | |
4066 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
4138 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
4067 | && AvFILLp (av) == 0 /* no waiters, just count */ |
4139 | && AvFILLp (av) == 0 /* no waiters, just count */ |
4068 | && SvIV (AvARRAY (av)[0]) == count) |
4140 | && SvIV (AvARRAY (av)[0]) == count) |
4069 | XSRETURN_YES; |
4141 | XSRETURN_YES; |
… | |
… | |
4090 | |
4162 | |
4091 | void |
4163 | void |
4092 | broadcast (SV *self) |
4164 | broadcast (SV *self) |
4093 | CODE: |
4165 | CODE: |
4094 | { |
4166 | { |
4095 | AV *av = (AV *)SvRV (self); |
4167 | AV *av = (AV *)SvRV (self); |
4096 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
4168 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
4097 | } |
4169 | } |
4098 | |
4170 | |
4099 | void |
4171 | void |
4100 | send (SV *self) |
4172 | send (SV *self) |
… | |
… | |
4108 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
4180 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
4109 | } |
4181 | } |
4110 | |
4182 | |
4111 | IV |
4183 | IV |
4112 | awaited (SV *self) |
4184 | awaited (SV *self) |
4113 | CODE: |
4185 | CODE: |
4114 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
4186 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
4115 | OUTPUT: |
4187 | OUTPUT: |
4116 | RETVAL |
4188 | RETVAL |
4117 | |
4189 | |
4118 | |
4190 | |
… | |
… | |
4123 | |
4195 | |
4124 | void |
4196 | void |
4125 | _schedule (...) |
4197 | _schedule (...) |
4126 | CODE: |
4198 | CODE: |
4127 | { |
4199 | { |
4128 | static int incede; |
4200 | static int incede; |
4129 | |
4201 | |
4130 | api_cede_notself (aTHX); |
4202 | api_cede_notself (aTHX); |
4131 | |
4203 | |
4132 | ++incede; |
4204 | ++incede; |
4133 | while (coro_nready >= incede && api_cede (aTHX)) |
4205 | while (coro_nready >= incede && api_cede (aTHX)) |
… | |
… | |
4177 | { |
4249 | { |
4178 | PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; |
4250 | PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; |
4179 | coro_old_pp_sselect = 0; |
4251 | coro_old_pp_sselect = 0; |
4180 | } |
4252 | } |
4181 | |
4253 | |
|
|
4254 | MODULE = Coro::State PACKAGE = Coro::Util |
|
|
4255 | |
|
|
4256 | void |
|
|
4257 | _exit (int code) |
|
|
4258 | CODE: |
|
|
4259 | _exit (code); |
|
|
4260 | |
|
|
4261 | NV |
|
|
4262 | time () |
|
|
4263 | CODE: |
|
|
4264 | RETVAL = nvtime (aTHX); |
|
|
4265 | OUTPUT: |
|
|
4266 | RETVAL |
|
|
4267 | |
|
|
4268 | NV |
|
|
4269 | gettimeofday () |
|
|
4270 | PPCODE: |
|
|
4271 | { |
|
|
4272 | UV tv [2]; |
|
|
4273 | u2time (aTHX_ tv); |
|
|
4274 | EXTEND (SP, 2); |
|
|
4275 | PUSHs (sv_2mortal (newSVuv (tv [0]))); |
|
|
4276 | PUSHs (sv_2mortal (newSVuv (tv [1]))); |
|
|
4277 | } |
|
|
4278 | |