1 | /* this works around a bug in mingw32 providing a non-working setjmp */ |
1 | /* this works around a bug in mingw32 providing a non-working setjmp */ |
2 | #define USE_NO_MINGW_SETJMP_TWO_ARGS |
2 | #define USE_NO_MINGW_SETJMP_TWO_ARGS |
3 | |
3 | |
4 | #define NDEBUG 1 |
4 | #define NDEBUG 1 /* perl usually disables NDEBUG later */ |
5 | |
5 | |
6 | #include "libcoro/coro.c" |
6 | #include "libcoro/coro.c" |
7 | |
7 | |
8 | #define PERL_NO_GET_CONTEXT |
8 | #define PERL_NO_GET_CONTEXT |
9 | #define PERL_EXT |
9 | #define PERL_EXT |
… | |
… | |
13 | #include "XSUB.h" |
13 | #include "XSUB.h" |
14 | #include "perliol.h" |
14 | #include "perliol.h" |
15 | |
15 | |
16 | #include "schmorp.h" |
16 | #include "schmorp.h" |
17 | |
17 | |
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18 | #define ECB_NO_THREADS 1 |
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19 | #define ECB_NO_LIBM 1 |
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20 | #include "ecb.h" |
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21 | |
18 | #include <stddef.h> |
22 | #include <stddef.h> |
19 | #include <stdio.h> |
23 | #include <stdio.h> |
20 | #include <errno.h> |
24 | #include <errno.h> |
21 | #include <assert.h> |
25 | #include <assert.h> |
22 | |
26 | |
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27 | #ifndef SvREFCNT_dec_NN |
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28 | #define SvREFCNT_dec_NN(sv) SvREFCNT_dec (sv) |
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29 | #endif |
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30 | |
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31 | #ifndef SvREFCNT_inc_NN |
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32 | #define SvREFCNT_inc_NN(sv) SvREFCNT_inc (sv) |
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33 | #endif |
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34 | |
23 | #ifndef SVs_PADSTALE |
35 | #ifndef SVs_PADSTALE |
24 | # define SVs_PADSTALE 0 |
36 | # define SVs_PADSTALE 0 |
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37 | #endif |
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38 | |
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39 | #ifdef PadARRAY |
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40 | # define NEWPADAPI 1 |
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41 | # define newPADLIST(var) (Newz (0, var, 1, PADLIST), Newx (PadlistARRAY (var), 2, PAD *)) |
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42 | #else |
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43 | typedef AV PADNAMELIST; |
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44 | # if !PERL_VERSION_ATLEAST(5,8,0) |
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45 | typedef AV PADLIST; |
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46 | typedef AV PAD; |
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47 | # endif |
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48 | # define PadlistARRAY(pl) ((PAD **)AvARRAY (pl)) |
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49 | # define PadlistMAX(pl) AvFILLp (pl) |
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50 | # define PadlistNAMES(pl) (*PadlistARRAY (pl)) |
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51 | # define PadARRAY AvARRAY |
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52 | # define PadMAX AvFILLp |
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53 | # define newPADLIST(var) ((var) = newAV (), av_extend (var, 1)) |
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54 | #endif |
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55 | #ifndef PadnamelistREFCNT |
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56 | # define PadnamelistREFCNT(pnl) SvREFCNT (pnl) |
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57 | #endif |
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58 | #ifndef PadnamelistREFCNT_dec |
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59 | # define PadnamelistREFCNT_dec(pnl) SvREFCNT_dec (pnl) |
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60 | #endif |
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61 | |
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62 | /* 5.19.something has replaced SVt_BIND by SVt_INVLIST */ |
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63 | /* we just alias it to SVt_IV, as that is sufficient for swap_sv for now */ |
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64 | #if PERL_VERSION_ATLEAST(5,19,0) |
|
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65 | # define SVt_BIND SVt_IV |
25 | #endif |
66 | #endif |
26 | |
67 | |
27 | #if defined(_WIN32) |
68 | #if defined(_WIN32) |
28 | # undef HAS_GETTIMEOFDAY |
69 | # undef HAS_GETTIMEOFDAY |
29 | # undef setjmp |
70 | # undef setjmp |
… | |
… | |
32 | # define setjmp _setjmp /* deep magic */ |
73 | # define setjmp _setjmp /* deep magic */ |
33 | #else |
74 | #else |
34 | # include <inttypes.h> /* most portable stdint.h */ |
75 | # include <inttypes.h> /* most portable stdint.h */ |
35 | #endif |
76 | #endif |
36 | |
77 | |
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 */ |
78 | /* the maximum number of idle cctx that will be pooled */ |
65 | static int cctx_max_idle = 4; |
79 | static int cctx_max_idle = 4; |
66 | |
80 | |
67 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
81 | #if defined(DEBUGGING) && PERL_VERSION_ATLEAST(5,12,0) |
68 | # undef CORO_STACKGUARD |
82 | # 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 |
83 | #endif |
74 | |
84 | |
75 | /* prefer perl internal functions over our own? */ |
85 | /* prefer perl internal functions over our own? */ |
76 | #ifndef CORO_PREFER_PERL_FUNCTIONS |
86 | #ifndef CORO_PREFER_PERL_FUNCTIONS |
77 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
87 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
… | |
… | |
87 | # define STACKLEVEL ((void *)&stacklevel) |
97 | # define STACKLEVEL ((void *)&stacklevel) |
88 | #endif |
98 | #endif |
89 | |
99 | |
90 | #define IN_DESTRUCT PL_dirty |
100 | #define IN_DESTRUCT PL_dirty |
91 | |
101 | |
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" |
102 | #include "CoroAPI.h" |
108 | #define GCoroAPI (&coroapi) /* very sneaky */ |
103 | #define GCoroAPI (&coroapi) /* very sneaky */ |
109 | |
104 | |
110 | #ifdef USE_ITHREADS |
105 | #ifdef USE_ITHREADS |
111 | # if CORO_PTHREAD |
106 | # if CORO_PTHREAD |
… | |
… | |
145 | |
140 | |
146 | static GV *irsgv; /* $/ */ |
141 | static GV *irsgv; /* $/ */ |
147 | static GV *stdoutgv; /* *STDOUT */ |
142 | static GV *stdoutgv; /* *STDOUT */ |
148 | static SV *rv_diehook; |
143 | static SV *rv_diehook; |
149 | static SV *rv_warnhook; |
144 | static SV *rv_warnhook; |
150 | static HV *hv_sig; /* %SIG */ |
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151 | |
145 | |
152 | /* async_pool helper stuff */ |
146 | /* async_pool helper stuff */ |
153 | static SV *sv_pool_rss; |
147 | static SV *sv_pool_rss; |
154 | static SV *sv_pool_size; |
148 | static SV *sv_pool_size; |
155 | static SV *sv_async_pool_idle; /* description string */ |
149 | static SV *sv_async_pool_idle; /* description string */ |
… | |
… | |
183 | typedef struct coro_cctx |
177 | typedef struct coro_cctx |
184 | { |
178 | { |
185 | struct coro_cctx *next; |
179 | struct coro_cctx *next; |
186 | |
180 | |
187 | /* the stack */ |
181 | /* the stack */ |
188 | void *sptr; |
182 | struct coro_stack stack; |
189 | size_t ssize; |
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|
190 | |
183 | |
191 | /* cpu state */ |
184 | /* cpu state */ |
192 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
185 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
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186 | #ifndef NDEBUG |
193 | JMPENV *idle_te; /* same as idle_sp, but for top_env, TODO: remove once stable */ |
187 | JMPENV *idle_te; /* same as idle_sp, but for top_env */ |
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188 | #endif |
194 | JMPENV *top_env; |
189 | JMPENV *top_env; |
195 | coro_context cctx; |
190 | coro_context cctx; |
196 | |
191 | |
197 | U32 gen; |
192 | U32 gen; |
198 | #if CORO_USE_VALGRIND |
193 | #if CORO_USE_VALGRIND |
… | |
… | |
218 | }; |
213 | }; |
219 | |
214 | |
220 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
215 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
221 | typedef struct |
216 | typedef struct |
222 | { |
217 | { |
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; |
218 | #define VARx(name,expr,type) type name; |
229 | # include "state.h" |
219 | #include "state.h" |
230 | #undef VAR |
|
|
231 | } perl_slots; |
220 | } perl_slots; |
232 | |
221 | |
233 | // how many context stack entries do we need for perl_slots |
222 | /* 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)) |
223 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
235 | |
224 | |
236 | /* this is a structure representing a perl-level coroutine */ |
225 | /* this is a structure representing a perl-level coroutine */ |
237 | struct coro |
226 | struct coro |
238 | { |
227 | { |
… | |
… | |
266 | SV *saved_deffh; |
255 | SV *saved_deffh; |
267 | SV *invoke_cb; |
256 | SV *invoke_cb; |
268 | AV *invoke_av; |
257 | AV *invoke_av; |
269 | |
258 | |
270 | /* on_enter/on_leave */ |
259 | /* on_enter/on_leave */ |
271 | AV *on_enter; |
260 | AV *on_enter; AV *on_enter_xs; |
272 | AV *on_leave; |
261 | AV *on_leave; AV *on_leave_xs; |
273 | |
262 | |
274 | /* swap_sv */ |
263 | /* swap_sv */ |
275 | AV *swap_sv; |
264 | AV *swap_sv; |
276 | |
265 | |
277 | /* times */ |
266 | /* times */ |
… | |
… | |
304 | static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ |
293 | static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ |
305 | static CV *cv_coro_run; |
294 | static CV *cv_coro_run; |
306 | static struct coro *coro_first; |
295 | static struct coro *coro_first; |
307 | #define coro_nready coroapi.nready |
296 | #define coro_nready coroapi.nready |
308 | |
297 | |
|
|
298 | /** JIT *********************************************************************/ |
|
|
299 | |
|
|
300 | #if CORO_JIT |
|
|
301 | /* APPLE doesn't have mmap though */ |
|
|
302 | #define CORO_JIT_UNIXY (__linux || __FreeBSD__ || __OpenBSD__ || __NetBSD__ || __solaris || __APPLE__) |
|
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303 | #ifndef CORO_JIT_TYPE |
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304 | #if ECB_AMD64 && CORO_JIT_UNIXY |
|
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305 | #define CORO_JIT_TYPE "amd64-unix" |
|
|
306 | #elif __i386 && CORO_JIT_UNIXY |
|
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307 | #define CORO_JIT_TYPE "x86-unix" |
|
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308 | #endif |
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309 | #endif |
|
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310 | #endif |
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311 | |
|
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312 | #if !defined(CORO_JIT_TYPE) || _POSIX_MEMORY_PROTECTION <= 0 |
|
|
313 | #undef CORO_JIT |
|
|
314 | #endif |
|
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315 | |
|
|
316 | #if CORO_JIT |
|
|
317 | typedef void (*load_save_perl_slots_type)(perl_slots *); |
|
|
318 | static load_save_perl_slots_type load_perl_slots, save_perl_slots; |
|
|
319 | #endif |
|
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320 | |
309 | /** Coro::Select ************************************************************/ |
321 | /** Coro::Select ************************************************************/ |
310 | |
322 | |
311 | static OP *(*coro_old_pp_sselect) (pTHX); |
323 | static OP *(*coro_old_pp_sselect) (pTHX); |
312 | static SV *coro_select_select; |
324 | static SV *coro_select_select; |
313 | |
325 | |
… | |
… | |
328 | |
340 | |
329 | /** time stuff **************************************************************/ |
341 | /** time stuff **************************************************************/ |
330 | |
342 | |
331 | #ifdef HAS_GETTIMEOFDAY |
343 | #ifdef HAS_GETTIMEOFDAY |
332 | |
344 | |
333 | static void |
345 | ecb_inline void |
334 | coro_u2time (pTHX_ UV ret[2]) |
346 | coro_u2time (pTHX_ UV ret[2]) |
335 | { |
347 | { |
336 | struct timeval tv; |
348 | struct timeval tv; |
337 | gettimeofday (&tv, 0); |
349 | gettimeofday (&tv, 0); |
338 | |
350 | |
339 | ret [0] = tv.tv_sec; |
351 | ret [0] = tv.tv_sec; |
340 | ret [1] = tv.tv_usec; |
352 | ret [1] = tv.tv_usec; |
341 | } |
353 | } |
342 | |
354 | |
343 | static double |
355 | ecb_inline double |
344 | coro_nvtime () |
356 | coro_nvtime (void) |
345 | { |
357 | { |
346 | struct timeval tv; |
358 | struct timeval tv; |
347 | gettimeofday (&tv, 0); |
359 | gettimeofday (&tv, 0); |
348 | |
360 | |
349 | return tv.tv_sec + tv.tv_usec * 1e-6; |
361 | return tv.tv_sec + tv.tv_usec * 1e-6; |
350 | } |
362 | } |
351 | |
363 | |
352 | static void |
364 | ecb_inline void |
353 | time_init (pTHX) |
365 | time_init (pTHX) |
354 | { |
366 | { |
355 | nvtime = coro_nvtime; |
367 | nvtime = coro_nvtime; |
356 | u2time = coro_u2time; |
368 | u2time = coro_u2time; |
357 | } |
369 | } |
358 | |
370 | |
359 | #else |
371 | #else |
360 | |
372 | |
361 | static void |
373 | ecb_inline void |
362 | time_init (pTHX) |
374 | time_init (pTHX) |
363 | { |
375 | { |
364 | SV **svp; |
376 | SV **svp; |
365 | |
377 | |
366 | require_pv ("Time/HiRes.pm"); |
378 | require_pv ("Time/HiRes.pm"); |
367 | |
379 | |
368 | svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
380 | svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
369 | |
381 | |
370 | if (!svp) croak ("Time::HiRes is required, but missing. Caught"); |
382 | if (!svp) croak ("Time::HiRes is required, but missing. Caught"); |
371 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer. Caught"); |
383 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer. Caught"); |
372 | |
384 | |
… | |
… | |
378 | |
390 | |
379 | #endif |
391 | #endif |
380 | |
392 | |
381 | /** lowlevel stuff **********************************************************/ |
393 | /** lowlevel stuff **********************************************************/ |
382 | |
394 | |
383 | static SV * |
395 | static SV * ecb_noinline |
384 | coro_get_sv (pTHX_ const char *name, int create) |
396 | coro_get_sv (pTHX_ const char *name, int create) |
385 | { |
397 | { |
386 | #if PERL_VERSION_ATLEAST (5,10,0) |
398 | #if PERL_VERSION_ATLEAST (5,10,0) |
387 | /* 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 */ |
388 | get_sv (name, create); |
400 | get_sv (name, create); |
389 | #endif |
401 | #endif |
390 | return get_sv (name, create); |
402 | return get_sv (name, create); |
391 | } |
403 | } |
392 | |
404 | |
393 | static AV * |
405 | static AV * ecb_noinline |
394 | coro_get_av (pTHX_ const char *name, int create) |
406 | coro_get_av (pTHX_ const char *name, int create) |
395 | { |
407 | { |
396 | #if PERL_VERSION_ATLEAST (5,10,0) |
408 | #if PERL_VERSION_ATLEAST (5,10,0) |
397 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
409 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
398 | get_av (name, create); |
410 | get_av (name, create); |
399 | #endif |
411 | #endif |
400 | return get_av (name, create); |
412 | return get_av (name, create); |
401 | } |
413 | } |
402 | |
414 | |
403 | static HV * |
415 | static HV * ecb_noinline |
404 | coro_get_hv (pTHX_ const char *name, int create) |
416 | coro_get_hv (pTHX_ const char *name, int create) |
405 | { |
417 | { |
406 | #if PERL_VERSION_ATLEAST (5,10,0) |
418 | #if PERL_VERSION_ATLEAST (5,10,0) |
407 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
419 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
408 | get_hv (name, create); |
420 | get_hv (name, create); |
409 | #endif |
421 | #endif |
410 | return get_hv (name, create); |
422 | return get_hv (name, create); |
411 | } |
423 | } |
412 | |
424 | |
413 | INLINE void |
425 | ecb_inline void |
414 | coro_times_update () |
426 | coro_times_update (void) |
415 | { |
427 | { |
416 | #ifdef coro_clock_gettime |
428 | #ifdef coro_clock_gettime |
417 | struct timespec ts; |
429 | struct timespec ts; |
418 | |
430 | |
419 | ts.tv_sec = ts.tv_nsec = 0; |
431 | ts.tv_sec = ts.tv_nsec = 0; |
… | |
… | |
431 | time_real [0] = tv [0]; |
443 | time_real [0] = tv [0]; |
432 | time_real [1] = tv [1] * 1000; |
444 | time_real [1] = tv [1] * 1000; |
433 | #endif |
445 | #endif |
434 | } |
446 | } |
435 | |
447 | |
436 | INLINE void |
448 | ecb_inline void |
437 | coro_times_add (struct coro *c) |
449 | coro_times_add (struct coro *c) |
438 | { |
450 | { |
439 | c->t_real [1] += time_real [1]; |
451 | c->t_real [1] += time_real [1]; |
440 | if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } |
452 | if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } |
441 | c->t_real [0] += time_real [0]; |
453 | c->t_real [0] += time_real [0]; |
… | |
… | |
443 | c->t_cpu [1] += time_cpu [1]; |
455 | c->t_cpu [1] += time_cpu [1]; |
444 | if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } |
456 | if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } |
445 | c->t_cpu [0] += time_cpu [0]; |
457 | c->t_cpu [0] += time_cpu [0]; |
446 | } |
458 | } |
447 | |
459 | |
448 | INLINE void |
460 | ecb_inline void |
449 | coro_times_sub (struct coro *c) |
461 | coro_times_sub (struct coro *c) |
450 | { |
462 | { |
451 | if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } |
463 | 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]; |
464 | c->t_real [1] -= time_real [1]; |
453 | c->t_real [0] -= time_real [0]; |
465 | c->t_real [0] -= time_real [0]; |
… | |
… | |
461 | /* magic glue */ |
473 | /* magic glue */ |
462 | |
474 | |
463 | #define CORO_MAGIC_type_cv 26 |
475 | #define CORO_MAGIC_type_cv 26 |
464 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
476 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
465 | |
477 | |
466 | #define CORO_MAGIC_NN(sv, type) \ |
478 | #define CORO_MAGIC_NN(sv, type) \ |
467 | (expect_true (SvMAGIC (sv)->mg_type == type) \ |
479 | (ecb_expect_true (SvMAGIC (sv)->mg_type == type) \ |
468 | ? SvMAGIC (sv) \ |
480 | ? SvMAGIC (sv) \ |
469 | : mg_find (sv, type)) |
481 | : mg_find (sv, type)) |
470 | |
482 | |
471 | #define CORO_MAGIC(sv, type) \ |
483 | #define CORO_MAGIC(sv, type) \ |
472 | (expect_true (SvMAGIC (sv)) \ |
484 | (ecb_expect_true (SvMAGIC (sv)) \ |
473 | ? CORO_MAGIC_NN (sv, type) \ |
485 | ? CORO_MAGIC_NN (sv, type) \ |
474 | : 0) |
486 | : 0) |
475 | |
487 | |
476 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
488 | #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) |
489 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
478 | |
490 | |
479 | INLINE MAGIC * |
491 | ecb_inline MAGIC * |
480 | SvSTATEhv_p (pTHX_ SV *coro) |
492 | SvSTATEhv_p (pTHX_ SV *coro) |
481 | { |
493 | { |
482 | MAGIC *mg; |
494 | MAGIC *mg; |
483 | |
495 | |
484 | if (expect_true ( |
496 | if (ecb_expect_true ( |
485 | SvTYPE (coro) == SVt_PVHV |
497 | SvTYPE (coro) == SVt_PVHV |
486 | && (mg = CORO_MAGIC_state (coro)) |
498 | && (mg = CORO_MAGIC_state (coro)) |
487 | && mg->mg_virtual == &coro_state_vtbl |
499 | && mg->mg_virtual == &coro_state_vtbl |
488 | )) |
500 | )) |
489 | return mg; |
501 | return mg; |
490 | |
502 | |
491 | return 0; |
503 | return 0; |
492 | } |
504 | } |
493 | |
505 | |
494 | INLINE struct coro * |
506 | ecb_inline struct coro * |
495 | SvSTATE_ (pTHX_ SV *coro) |
507 | SvSTATE_ (pTHX_ SV *coro_sv) |
496 | { |
508 | { |
497 | MAGIC *mg; |
509 | MAGIC *mg; |
498 | |
510 | |
499 | if (SvROK (coro)) |
511 | if (SvROK (coro_sv)) |
500 | coro = SvRV (coro); |
512 | coro_sv = SvRV (coro_sv); |
501 | |
513 | |
502 | mg = SvSTATEhv_p (aTHX_ coro); |
514 | mg = SvSTATEhv_p (aTHX_ coro_sv); |
503 | if (!mg) |
515 | if (!mg) |
504 | croak ("Coro::State object required"); |
516 | croak ("Coro::State object required"); |
505 | |
517 | |
506 | return (struct coro *)mg->mg_ptr; |
518 | return (struct coro *)mg->mg_ptr; |
507 | } |
519 | } |
… | |
… | |
513 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
525 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
514 | |
526 | |
515 | /*****************************************************************************/ |
527 | /*****************************************************************************/ |
516 | /* padlist management and caching */ |
528 | /* padlist management and caching */ |
517 | |
529 | |
518 | static AV * |
530 | ecb_inline PADLIST * |
519 | coro_derive_padlist (pTHX_ CV *cv) |
531 | coro_derive_padlist (pTHX_ CV *cv) |
520 | { |
532 | { |
521 | AV *padlist = CvPADLIST (cv); |
533 | PADLIST *padlist = CvPADLIST (cv); |
522 | AV *newpadlist, *newpad; |
534 | PADLIST *newpadlist; |
|
|
535 | PADNAMELIST *padnames; |
|
|
536 | PAD *newpad; |
|
|
537 | PADOFFSET off = PadlistMAX (padlist) + 1; |
523 | |
538 | |
524 | newpadlist = newAV (); |
539 | #if NEWPADAPI |
|
|
540 | |
|
|
541 | /* if we had the original CvDEPTH, we might be able to steal the CvDEPTH+1 entry instead */ |
|
|
542 | /* 20131102194744.GA6705@schmorp.de, 20131102195825.2013.qmail@lists-nntp.develooper.com */ |
|
|
543 | while (!PadlistARRAY (padlist)[off - 1]) |
|
|
544 | --off; |
|
|
545 | |
|
|
546 | Perl_pad_push (aTHX_ padlist, off); |
|
|
547 | |
|
|
548 | newpad = PadlistARRAY (padlist)[off]; |
|
|
549 | PadlistARRAY (padlist)[off] = 0; |
|
|
550 | |
|
|
551 | #else |
|
|
552 | |
|
|
553 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
554 | Perl_pad_push (aTHX_ padlist, off); |
|
|
555 | #else |
|
|
556 | Perl_pad_push (aTHX_ padlist, off, 1); |
|
|
557 | #endif |
|
|
558 | |
|
|
559 | newpad = PadlistARRAY (padlist)[off]; |
|
|
560 | PadlistMAX (padlist) = off - 1; |
|
|
561 | |
|
|
562 | #endif |
|
|
563 | |
|
|
564 | newPADLIST (newpadlist); |
|
|
565 | #if !PERL_VERSION_ATLEAST(5,15,3) |
|
|
566 | /* Padlists are AvREAL as of 5.15.3. See perl bug #98092 and perl commit 7d953ba. */ |
525 | AvREAL_off (newpadlist); |
567 | 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 |
568 | #endif |
531 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
|
|
532 | --AvFILLp (padlist); |
|
|
533 | |
569 | |
534 | av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0])); |
570 | /* Already extended to 2 elements by newPADLIST. */ |
535 | av_store (newpadlist, 1, (SV *)newpad); |
571 | PadlistMAX (newpadlist) = 1; |
|
|
572 | |
|
|
573 | padnames = PadlistNAMES (padlist); |
|
|
574 | ++PadnamelistREFCNT (padnames); |
|
|
575 | PadlistNAMES (newpadlist) = padnames; |
|
|
576 | |
|
|
577 | PadlistARRAY (newpadlist)[1] = newpad; |
536 | |
578 | |
537 | return newpadlist; |
579 | return newpadlist; |
538 | } |
580 | } |
539 | |
581 | |
540 | static void |
582 | ecb_inline void |
541 | free_padlist (pTHX_ AV *padlist) |
583 | free_padlist (pTHX_ PADLIST *padlist) |
542 | { |
584 | { |
543 | /* may be during global destruction */ |
585 | /* may be during global destruction */ |
544 | if (!IN_DESTRUCT) |
586 | if (!IN_DESTRUCT) |
545 | { |
587 | { |
546 | I32 i = AvFILLp (padlist); |
588 | I32 i = PadlistMAX (padlist); |
547 | |
589 | |
548 | while (i > 0) /* special-case index 0 */ |
590 | while (i > 0) /* special-case index 0 */ |
549 | { |
591 | { |
550 | /* we try to be extra-careful here */ |
592 | /* we try to be extra-careful here */ |
551 | AV *av = (AV *)AvARRAY (padlist)[i--]; |
593 | PAD *pad = PadlistARRAY (padlist)[i--]; |
552 | I32 j = AvFILLp (av); |
|
|
553 | |
594 | |
|
|
595 | if (pad) |
|
|
596 | { |
|
|
597 | I32 j = PadMAX (pad); |
|
|
598 | |
554 | while (j >= 0) |
599 | while (j >= 0) |
555 | SvREFCNT_dec (AvARRAY (av)[j--]); |
600 | SvREFCNT_dec (PadARRAY (pad)[j--]); |
556 | |
601 | |
557 | AvFILLp (av) = -1; |
602 | PadMAX (pad) = -1; |
558 | SvREFCNT_dec (av); |
603 | SvREFCNT_dec (pad); |
|
|
604 | } |
559 | } |
605 | } |
560 | |
606 | |
561 | SvREFCNT_dec (AvARRAY (padlist)[0]); |
607 | PadnamelistREFCNT_dec (PadlistNAMES (padlist)); |
562 | |
608 | |
|
|
609 | #if NEWPADAPI |
|
|
610 | Safefree (PadlistARRAY (padlist)); |
|
|
611 | Safefree (padlist); |
|
|
612 | #else |
563 | AvFILLp (padlist) = -1; |
613 | AvFILLp (padlist) = -1; |
|
|
614 | AvREAL_off (padlist); |
564 | SvREFCNT_dec ((SV*)padlist); |
615 | SvREFCNT_dec ((SV*)padlist); |
|
|
616 | #endif |
565 | } |
617 | } |
566 | } |
618 | } |
567 | |
619 | |
568 | static int |
620 | static int |
569 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
621 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
570 | { |
622 | { |
571 | AV *padlist; |
623 | PADLIST *padlist; |
572 | AV *av = (AV *)mg->mg_obj; |
624 | PADLIST **padlists = (PADLIST **)(mg->mg_ptr + sizeof(size_t)); |
|
|
625 | size_t len = *(size_t *)mg->mg_ptr; |
573 | |
626 | |
574 | /* perl manages to free our internal AV and _then_ call us */ |
627 | /* perl manages to free our internal AV and _then_ call us */ |
575 | if (IN_DESTRUCT) |
628 | if (IN_DESTRUCT) |
576 | return 0; |
629 | return 0; |
577 | |
630 | |
578 | /* casting is fun. */ |
631 | while (len--) |
579 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
|
|
580 | free_padlist (aTHX_ padlist); |
632 | free_padlist (aTHX_ padlists[len]); |
581 | |
|
|
582 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
|
|
583 | |
633 | |
584 | return 0; |
634 | return 0; |
585 | } |
635 | } |
586 | |
636 | |
587 | static MGVTBL coro_cv_vtbl = { |
637 | static MGVTBL coro_cv_vtbl = { |
588 | 0, 0, 0, 0, |
638 | 0, 0, 0, 0, |
589 | coro_cv_free |
639 | coro_cv_free |
590 | }; |
640 | }; |
591 | |
641 | |
592 | /* the next two functions merely cache the padlists */ |
642 | /* the next two functions merely cache the padlists */ |
593 | static void |
643 | ecb_inline void |
594 | get_padlist (pTHX_ CV *cv) |
644 | get_padlist (pTHX_ CV *cv) |
595 | { |
645 | { |
596 | MAGIC *mg = CORO_MAGIC_cv (cv); |
646 | MAGIC *mg = CORO_MAGIC_cv (cv); |
597 | AV *av; |
647 | size_t *lenp; |
598 | |
648 | |
599 | if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
649 | if (ecb_expect_true (mg && *(lenp = (size_t *)mg->mg_ptr))) |
600 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
650 | CvPADLIST (cv) = ((PADLIST **)(mg->mg_ptr + sizeof(size_t)))[--*lenp]; |
601 | else |
651 | else |
602 | { |
652 | { |
603 | #if CORO_PREFER_PERL_FUNCTIONS |
653 | #if CORO_PREFER_PERL_FUNCTIONS |
604 | /* this is probably cleaner? but also slower! */ |
654 | /* this is probably cleaner? but also slower! */ |
605 | /* in practise, it seems to be less stable */ |
655 | /* in practise, it seems to be less stable */ |
… | |
… | |
611 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
661 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
612 | #endif |
662 | #endif |
613 | } |
663 | } |
614 | } |
664 | } |
615 | |
665 | |
616 | static void |
666 | ecb_inline void |
617 | put_padlist (pTHX_ CV *cv) |
667 | put_padlist (pTHX_ CV *cv) |
618 | { |
668 | { |
619 | MAGIC *mg = CORO_MAGIC_cv (cv); |
669 | MAGIC *mg = CORO_MAGIC_cv (cv); |
620 | AV *av; |
|
|
621 | |
670 | |
622 | if (expect_false (!mg)) |
671 | if (ecb_expect_false (!mg)) |
|
|
672 | { |
623 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
673 | mg = sv_magicext ((SV *)cv, 0, CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
|
|
674 | Newz (0, mg->mg_ptr ,sizeof (size_t) + sizeof (PADLIST *), char); |
|
|
675 | mg->mg_len = 1; /* so mg_free frees mg_ptr */ |
|
|
676 | } |
|
|
677 | else |
|
|
678 | Renew (mg->mg_ptr, |
|
|
679 | sizeof(size_t) + (*(size_t *)mg->mg_ptr + 1) * sizeof(PADLIST *), |
|
|
680 | char); |
624 | |
681 | |
625 | av = (AV *)mg->mg_obj; |
682 | ((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 | } |
683 | } |
632 | |
684 | |
633 | /** load & save, init *******************************************************/ |
685 | /** load & save, init *******************************************************/ |
634 | |
686 | |
|
|
687 | ecb_inline void |
|
|
688 | swap_sv (SV *a, SV *b) |
|
|
689 | { |
|
|
690 | const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */ |
|
|
691 | SV tmp; |
|
|
692 | |
|
|
693 | /* swap sv_any */ |
|
|
694 | SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp); |
|
|
695 | |
|
|
696 | /* swap sv_flags */ |
|
|
697 | SvFLAGS (&tmp) = SvFLAGS (a); |
|
|
698 | SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep); |
|
|
699 | SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep); |
|
|
700 | |
|
|
701 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
702 | /* perl 5.10 and later complicates this _quite_ a bit, but it also |
|
|
703 | * is much faster, so no quarrels here. alternatively, we could |
|
|
704 | * sv_upgrade to avoid this. |
|
|
705 | */ |
|
|
706 | { |
|
|
707 | /* swap sv_u */ |
|
|
708 | tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u; |
|
|
709 | |
|
|
710 | /* if SvANY points to the head, we need to adjust the pointers, |
|
|
711 | * as the pointer for a still points to b, and maybe vice versa. |
|
|
712 | */ |
|
|
713 | U32 svany_in_head_set = (1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV); |
|
|
714 | #if NVSIZE <= IVSIZE && PERL_VERSION_ATLEAST(5,22,0) |
|
|
715 | svany_in_head_set |= 1 << SVt_NV; |
|
|
716 | #endif |
|
|
717 | |
|
|
718 | #define svany_in_head(type) (svany_in_head_set & (1 << (type))) |
|
|
719 | |
|
|
720 | if (svany_in_head (SvTYPE (a))) |
|
|
721 | SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a); |
|
|
722 | |
|
|
723 | if (svany_in_head (SvTYPE (b))) |
|
|
724 | SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b); |
|
|
725 | } |
|
|
726 | #endif |
|
|
727 | } |
|
|
728 | |
635 | /* swap sv heads, at least logically */ |
729 | /* swap sv heads, at least logically */ |
636 | static void |
730 | static void |
637 | swap_svs (pTHX_ Coro__State c) |
731 | swap_svs (pTHX_ Coro__State c) |
638 | { |
732 | { |
639 | int i; |
733 | int i; |
640 | |
734 | |
641 | for (i = 0; i <= AvFILLp (c->swap_sv); ) |
735 | for (i = 0; i <= AvFILLp (c->swap_sv); i += 2) |
642 | { |
736 | 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 | } |
737 | } |
681 | |
738 | |
682 | #define SWAP_SVS(coro) \ |
739 | #define SWAP_SVS(coro) \ |
683 | if (expect_false ((coro)->swap_sv)) \ |
740 | if (ecb_expect_false ((coro)->swap_sv)) \ |
684 | swap_svs (aTHX_ (coro)) |
741 | swap_svs (aTHX_ (coro)) |
685 | |
742 | |
686 | static void |
743 | static void |
687 | on_enterleave_call (pTHX_ SV *cb); |
744 | on_enterleave_call (pTHX_ SV *cb); |
688 | |
745 | |
… | |
… | |
692 | perl_slots *slot = c->slot; |
749 | perl_slots *slot = c->slot; |
693 | c->slot = 0; |
750 | c->slot = 0; |
694 | |
751 | |
695 | PL_mainstack = c->mainstack; |
752 | PL_mainstack = c->mainstack; |
696 | |
753 | |
697 | GvSV (PL_defgv) = slot->defsv; |
754 | #if CORO_JIT |
698 | GvAV (PL_defgv) = slot->defav; |
755 | load_perl_slots (slot); |
699 | GvSV (PL_errgv) = slot->errsv; |
756 | #else |
700 | GvSV (irsgv) = slot->irsgv; |
|
|
701 | GvHV (PL_hintgv) = slot->hinthv; |
|
|
702 | |
|
|
703 | #define VAR(name,type) PL_ ## name = slot->name; |
757 | #define VARx(name,expr,type) expr = slot->name; |
704 | # include "state.h" |
758 | #include "state.h" |
705 | #undef VAR |
759 | #endif |
706 | |
760 | |
707 | { |
761 | { |
708 | dSP; |
762 | dSP; |
709 | |
763 | |
710 | CV *cv; |
764 | CV *cv; |
711 | |
765 | |
712 | /* now do the ugly restore mess */ |
766 | /* now do the ugly restore mess */ |
713 | while (expect_true (cv = (CV *)POPs)) |
767 | while (ecb_expect_true (cv = (CV *)POPs)) |
714 | { |
768 | { |
715 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
769 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
716 | CvDEPTH (cv) = PTR2IV (POPs); |
770 | CvDEPTH (cv) = PTR2IV (POPs); |
717 | CvPADLIST (cv) = (AV *)POPs; |
771 | CvPADLIST (cv) = (PADLIST *)POPs; |
718 | } |
772 | } |
719 | |
773 | |
720 | PUTBACK; |
774 | PUTBACK; |
721 | } |
775 | } |
722 | |
776 | |
723 | slf_frame = c->slf_frame; |
777 | slf_frame = c->slf_frame; |
724 | CORO_THROW = c->except; |
778 | CORO_THROW = c->except; |
725 | |
779 | |
726 | if (expect_false (enable_times)) |
780 | if (ecb_expect_false (enable_times)) |
727 | { |
781 | { |
728 | if (expect_false (!times_valid)) |
782 | if (ecb_expect_false (!times_valid)) |
729 | coro_times_update (); |
783 | coro_times_update (); |
730 | |
784 | |
731 | coro_times_sub (c); |
785 | coro_times_sub (c); |
732 | } |
786 | } |
733 | |
787 | |
734 | if (expect_false (c->on_enter)) |
788 | if (ecb_expect_false (c->on_enter)) |
735 | { |
789 | { |
736 | int i; |
790 | int i; |
737 | |
791 | |
738 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
792 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
739 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
793 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
740 | } |
794 | } |
741 | |
795 | |
|
|
796 | if (ecb_expect_false (c->on_enter_xs)) |
|
|
797 | { |
|
|
798 | int i; |
|
|
799 | |
|
|
800 | for (i = 0; i <= AvFILLp (c->on_enter_xs); i += 2) |
|
|
801 | ((coro_enterleave_hook)AvARRAY (c->on_enter_xs)[i]) (aTHX_ AvARRAY (c->on_enter_xs)[i + 1]); |
|
|
802 | } |
|
|
803 | |
742 | SWAP_SVS (c); |
804 | SWAP_SVS (c); |
743 | } |
805 | } |
744 | |
806 | |
745 | static void |
807 | static void |
746 | save_perl (pTHX_ Coro__State c) |
808 | save_perl (pTHX_ Coro__State c) |
747 | { |
809 | { |
748 | SWAP_SVS (c); |
810 | SWAP_SVS (c); |
749 | |
811 | |
|
|
812 | if (ecb_expect_false (c->on_leave_xs)) |
|
|
813 | { |
|
|
814 | int i; |
|
|
815 | |
|
|
816 | for (i = AvFILLp (c->on_leave_xs) - 1; i >= 0; i -= 2) |
|
|
817 | ((coro_enterleave_hook)AvARRAY (c->on_leave_xs)[i]) (aTHX_ AvARRAY (c->on_leave_xs)[i + 1]); |
|
|
818 | } |
|
|
819 | |
750 | if (expect_false (c->on_leave)) |
820 | if (ecb_expect_false (c->on_leave)) |
751 | { |
821 | { |
752 | int i; |
822 | int i; |
753 | |
823 | |
754 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
824 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
755 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
825 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
756 | } |
826 | } |
757 | |
827 | |
758 | times_valid = 0; |
828 | times_valid = 0; |
759 | |
829 | |
760 | if (expect_false (enable_times)) |
830 | if (ecb_expect_false (enable_times)) |
761 | { |
831 | { |
762 | coro_times_update (); times_valid = 1; |
832 | coro_times_update (); times_valid = 1; |
763 | coro_times_add (c); |
833 | coro_times_add (c); |
764 | } |
834 | } |
765 | |
835 | |
… | |
… | |
779 | |
849 | |
780 | XPUSHs (Nullsv); |
850 | XPUSHs (Nullsv); |
781 | /* this loop was inspired by pp_caller */ |
851 | /* this loop was inspired by pp_caller */ |
782 | for (;;) |
852 | for (;;) |
783 | { |
853 | { |
784 | while (expect_true (cxix >= 0)) |
854 | while (ecb_expect_true (cxix >= 0)) |
785 | { |
855 | { |
786 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
856 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
787 | |
857 | |
788 | if (expect_true (CxTYPE (cx) == CXt_SUB) || expect_false (CxTYPE (cx) == CXt_FORMAT)) |
858 | if (ecb_expect_true (CxTYPE (cx) == CXt_SUB) || ecb_expect_false (CxTYPE (cx) == CXt_FORMAT)) |
789 | { |
859 | { |
790 | CV *cv = cx->blk_sub.cv; |
860 | CV *cv = cx->blk_sub.cv; |
791 | |
861 | |
792 | if (expect_true (CvDEPTH (cv))) |
862 | if (ecb_expect_true (CvDEPTH (cv))) |
793 | { |
863 | { |
794 | EXTEND (SP, 3); |
864 | EXTEND (SP, 3); |
795 | PUSHs ((SV *)CvPADLIST (cv)); |
865 | PUSHs ((SV *)CvPADLIST (cv)); |
796 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
866 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
797 | PUSHs ((SV *)cv); |
867 | PUSHs ((SV *)cv); |
… | |
… | |
800 | get_padlist (aTHX_ cv); |
870 | get_padlist (aTHX_ cv); |
801 | } |
871 | } |
802 | } |
872 | } |
803 | } |
873 | } |
804 | |
874 | |
805 | if (expect_true (top_si->si_type == PERLSI_MAIN)) |
875 | if (ecb_expect_true (top_si->si_type == PERLSI_MAIN)) |
806 | break; |
876 | break; |
807 | |
877 | |
808 | top_si = top_si->si_prev; |
878 | top_si = top_si->si_prev; |
809 | ccstk = top_si->si_cxstack; |
879 | ccstk = top_si->si_cxstack; |
810 | cxix = top_si->si_cxix; |
880 | cxix = top_si->si_cxix; |
… | |
… | |
812 | |
882 | |
813 | PUTBACK; |
883 | PUTBACK; |
814 | } |
884 | } |
815 | |
885 | |
816 | /* allocate some space on the context stack for our purposes */ |
886 | /* allocate some space on the context stack for our purposes */ |
817 | if (expect_false (cxstack_ix + SLOT_COUNT >= cxstack_max)) |
887 | if (ecb_expect_false (cxstack_ix + (int)SLOT_COUNT >= cxstack_max)) |
818 | { |
888 | { |
819 | unsigned int i; |
889 | unsigned int i; |
820 | |
890 | |
821 | for (i = 0; i < SLOT_COUNT; ++i) |
891 | for (i = 0; i < SLOT_COUNT; ++i) |
822 | CXINC; |
892 | CXINC; |
… | |
… | |
827 | c->mainstack = PL_mainstack; |
897 | c->mainstack = PL_mainstack; |
828 | |
898 | |
829 | { |
899 | { |
830 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
900 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
831 | |
901 | |
832 | slot->defav = GvAV (PL_defgv); |
902 | #if CORO_JIT |
833 | slot->defsv = DEFSV; |
903 | save_perl_slots (slot); |
834 | slot->errsv = ERRSV; |
904 | #else |
835 | slot->irsgv = GvSV (irsgv); |
|
|
836 | slot->hinthv = GvHV (PL_hintgv); |
|
|
837 | |
|
|
838 | #define VAR(name,type) slot->name = PL_ ## name; |
905 | #define VARx(name,expr,type) slot->name = expr; |
839 | # include "state.h" |
906 | #include "state.h" |
840 | #undef VAR |
907 | #endif |
841 | } |
908 | } |
842 | } |
909 | } |
843 | |
910 | |
844 | /* |
911 | /* |
845 | * allocate various perl stacks. This is almost an exact copy |
912 | * allocate various perl stacks. This is almost an exact copy |
… | |
… | |
876 | #endif |
943 | #endif |
877 | |
944 | |
878 | New(54,PL_scopestack,8,I32); |
945 | New(54,PL_scopestack,8,I32); |
879 | PL_scopestack_ix = 0; |
946 | PL_scopestack_ix = 0; |
880 | PL_scopestack_max = 8; |
947 | PL_scopestack_max = 8; |
|
|
948 | #if HAS_SCOPESTACK_NAME |
|
|
949 | New(54,PL_scopestack_name,8,const char*); |
|
|
950 | #endif |
881 | |
951 | |
882 | New(54,PL_savestack,24,ANY); |
952 | New(54,PL_savestack,24,ANY); |
883 | PL_savestack_ix = 0; |
953 | PL_savestack_ix = 0; |
884 | PL_savestack_max = 24; |
954 | PL_savestack_max = 24; |
885 | |
955 | |
… | |
… | |
913 | } |
983 | } |
914 | |
984 | |
915 | Safefree (PL_tmps_stack); |
985 | Safefree (PL_tmps_stack); |
916 | Safefree (PL_markstack); |
986 | Safefree (PL_markstack); |
917 | Safefree (PL_scopestack); |
987 | Safefree (PL_scopestack); |
|
|
988 | #if HAS_SCOPESTACK_NAME |
|
|
989 | Safefree (PL_scopestack_name); |
|
|
990 | #endif |
918 | Safefree (PL_savestack); |
991 | Safefree (PL_savestack); |
919 | #if !PERL_VERSION_ATLEAST (5,10,0) |
992 | #if !PERL_VERSION_ATLEAST (5,10,0) |
920 | Safefree (PL_retstack); |
993 | Safefree (PL_retstack); |
921 | #endif |
994 | #endif |
922 | } |
995 | } |
… | |
… | |
971 | * This overrides the default magic get method of %SIG elements. |
1044 | * 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 |
1045 | * 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), |
1046 | * and instead of trying to save and restore the hash elements (extremely slow), |
974 | * we just provide our own readback here. |
1047 | * we just provide our own readback here. |
975 | */ |
1048 | */ |
976 | static int |
1049 | static int ecb_cold |
977 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
1050 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
978 | { |
1051 | { |
979 | const char *s = MgPV_nolen_const (mg); |
1052 | const char *s = MgPV_nolen_const (mg); |
980 | |
1053 | |
981 | if (*s == '_') |
1054 | if (*s == '_') |
982 | { |
1055 | { |
983 | SV **svp = 0; |
1056 | SV **svp = 0; |
984 | |
1057 | |
985 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
1058 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
986 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
1059 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
987 | |
1060 | |
988 | if (svp) |
1061 | if (svp) |
989 | { |
1062 | { |
990 | sv_setsv (sv, *svp ? *svp : &PL_sv_undef); |
1063 | SV *ssv; |
|
|
1064 | |
|
|
1065 | if (!*svp) |
|
|
1066 | ssv = &PL_sv_undef; |
|
|
1067 | else if (SvTYPE (*svp) == SVt_PVCV) /* perlio directly stores a CV in warnhook. ugh. */ |
|
|
1068 | ssv = sv_2mortal (newRV_inc (*svp)); |
|
|
1069 | else |
|
|
1070 | ssv = *svp; |
|
|
1071 | |
|
|
1072 | sv_setsv (sv, ssv); |
991 | return 0; |
1073 | return 0; |
992 | } |
1074 | } |
993 | } |
1075 | } |
994 | |
1076 | |
995 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
1077 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
996 | } |
1078 | } |
997 | |
1079 | |
998 | static int |
1080 | static int ecb_cold |
999 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
1081 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
1000 | { |
1082 | { |
1001 | const char *s = MgPV_nolen_const (mg); |
1083 | const char *s = MgPV_nolen_const (mg); |
1002 | |
1084 | |
1003 | if (*s == '_') |
1085 | if (*s == '_') |
… | |
… | |
1017 | } |
1099 | } |
1018 | |
1100 | |
1019 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
1101 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
1020 | } |
1102 | } |
1021 | |
1103 | |
1022 | static int |
1104 | static int ecb_cold |
1023 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
1105 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
1024 | { |
1106 | { |
1025 | const char *s = MgPV_nolen_const (mg); |
1107 | const char *s = MgPV_nolen_const (mg); |
1026 | |
1108 | |
1027 | if (*s == '_') |
1109 | if (*s == '_') |
… | |
… | |
1062 | return 1; |
1144 | return 1; |
1063 | } |
1145 | } |
1064 | |
1146 | |
1065 | static UNOP init_perl_op; |
1147 | static UNOP init_perl_op; |
1066 | |
1148 | |
1067 | static void NOINLINE /* noinline to keep it out of the transfer fast path */ |
1149 | ecb_noinline static void /* noinline to keep it out of the transfer fast path */ |
1068 | init_perl (pTHX_ struct coro *coro) |
1150 | init_perl (pTHX_ struct coro *coro) |
1069 | { |
1151 | { |
1070 | /* |
1152 | /* |
1071 | * emulate part of the perl startup here. |
1153 | * emulate part of the perl startup here. |
1072 | */ |
1154 | */ |
… | |
… | |
1089 | PL_hints = 0; |
1171 | PL_hints = 0; |
1090 | |
1172 | |
1091 | /* recreate the die/warn hooks */ |
1173 | /* recreate the die/warn hooks */ |
1092 | PL_diehook = SvREFCNT_inc (rv_diehook); |
1174 | PL_diehook = SvREFCNT_inc (rv_diehook); |
1093 | PL_warnhook = SvREFCNT_inc (rv_warnhook); |
1175 | PL_warnhook = SvREFCNT_inc (rv_warnhook); |
1094 | |
1176 | |
1095 | GvSV (PL_defgv) = newSV (0); |
1177 | GvSV (PL_defgv) = newSV (0); |
1096 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1178 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1097 | GvSV (PL_errgv) = newSV (0); |
1179 | GvSV (PL_errgv) = newSV (0); |
1098 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
1180 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
1099 | GvHV (PL_hintgv) = 0; |
1181 | GvHV (PL_hintgv) = newHV (); |
|
|
1182 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
1183 | hv_magic (GvHV (PL_hintgv), 0, PERL_MAGIC_hints); |
|
|
1184 | #endif |
1100 | PL_rs = newSVsv (GvSV (irsgv)); |
1185 | PL_rs = newSVsv (GvSV (irsgv)); |
1101 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
1186 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
1102 | |
1187 | |
1103 | { |
1188 | { |
1104 | dSP; |
1189 | dSP; |
… | |
… | |
1134 | /* copy throw, in case it was set before init_perl */ |
1219 | /* copy throw, in case it was set before init_perl */ |
1135 | CORO_THROW = coro->except; |
1220 | CORO_THROW = coro->except; |
1136 | |
1221 | |
1137 | SWAP_SVS (coro); |
1222 | SWAP_SVS (coro); |
1138 | |
1223 | |
1139 | if (expect_false (enable_times)) |
1224 | if (ecb_expect_false (enable_times)) |
1140 | { |
1225 | { |
1141 | coro_times_update (); |
1226 | coro_times_update (); |
1142 | coro_times_sub (coro); |
1227 | coro_times_sub (coro); |
1143 | } |
1228 | } |
1144 | } |
1229 | } |
… | |
… | |
1187 | /* restore swapped sv's */ |
1272 | /* restore swapped sv's */ |
1188 | SWAP_SVS (coro); |
1273 | SWAP_SVS (coro); |
1189 | |
1274 | |
1190 | coro_destruct_stacks (aTHX); |
1275 | coro_destruct_stacks (aTHX); |
1191 | |
1276 | |
1192 | // now save some sv's to be free'd later |
1277 | /* now save some sv's to be free'd later */ |
1193 | svf [0] = GvSV (PL_defgv); |
1278 | svf [0] = GvSV (PL_defgv); |
1194 | svf [1] = (SV *)GvAV (PL_defgv); |
1279 | svf [1] = (SV *)GvAV (PL_defgv); |
1195 | svf [2] = GvSV (PL_errgv); |
1280 | svf [2] = GvSV (PL_errgv); |
1196 | svf [3] = (SV *)PL_defoutgv; |
1281 | svf [3] = (SV *)PL_defoutgv; |
1197 | svf [4] = PL_rs; |
1282 | svf [4] = PL_rs; |
… | |
… | |
1214 | |
1299 | |
1215 | SvREFCNT_dec (coro->saved_deffh); |
1300 | SvREFCNT_dec (coro->saved_deffh); |
1216 | SvREFCNT_dec (coro->rouse_cb); |
1301 | SvREFCNT_dec (coro->rouse_cb); |
1217 | SvREFCNT_dec (coro->invoke_cb); |
1302 | SvREFCNT_dec (coro->invoke_cb); |
1218 | SvREFCNT_dec (coro->invoke_av); |
1303 | SvREFCNT_dec (coro->invoke_av); |
|
|
1304 | SvREFCNT_dec (coro->on_enter_xs); |
|
|
1305 | SvREFCNT_dec (coro->on_leave_xs); |
1219 | } |
1306 | } |
1220 | } |
1307 | } |
1221 | |
1308 | |
1222 | INLINE void |
1309 | ecb_inline void |
1223 | free_coro_mortal (pTHX) |
1310 | free_coro_mortal (pTHX) |
1224 | { |
1311 | { |
1225 | if (expect_true (coro_mortal)) |
1312 | if (ecb_expect_true (coro_mortal)) |
1226 | { |
1313 | { |
1227 | SvREFCNT_dec ((SV *)coro_mortal); |
1314 | SvREFCNT_dec ((SV *)coro_mortal); |
1228 | coro_mortal = 0; |
1315 | coro_mortal = 0; |
1229 | } |
1316 | } |
1230 | } |
1317 | } |
… | |
… | |
1286 | |
1373 | |
1287 | if (PL_curcop != &PL_compiling) |
1374 | if (PL_curcop != &PL_compiling) |
1288 | { |
1375 | { |
1289 | SV **cb; |
1376 | SV **cb; |
1290 | |
1377 | |
1291 | if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB) |
1378 | if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB && cxstack_ix >= 0) |
1292 | { |
1379 | { |
1293 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1380 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1294 | |
1381 | |
1295 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
1382 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
1296 | { |
1383 | { |
… | |
… | |
1365 | |
1452 | |
1366 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1453 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1367 | } |
1454 | } |
1368 | |
1455 | |
1369 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1456 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1370 | static void NOINLINE |
1457 | static void ecb_noinline |
1371 | cctx_prepare (pTHX) |
1458 | cctx_prepare (pTHX) |
1372 | { |
1459 | { |
1373 | PL_top_env = &PL_start_env; |
1460 | PL_top_env = &PL_start_env; |
1374 | |
1461 | |
1375 | if (cctx_current->flags & CC_TRACE) |
1462 | if (cctx_current->flags & CC_TRACE) |
… | |
… | |
1386 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1473 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1387 | slf_frame.check = slf_check_set_stacklevel; |
1474 | slf_frame.check = slf_check_set_stacklevel; |
1388 | } |
1475 | } |
1389 | |
1476 | |
1390 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1477 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1391 | INLINE void |
1478 | ecb_inline void |
1392 | transfer_tail (pTHX) |
1479 | transfer_tail (pTHX) |
1393 | { |
1480 | { |
1394 | free_coro_mortal (aTHX); |
1481 | free_coro_mortal (aTHX); |
|
|
1482 | } |
|
|
1483 | |
|
|
1484 | /* try to exit the same way perl's main function would do */ |
|
|
1485 | /* we do not bother resetting the environment or other things *7 |
|
|
1486 | /* that are not, uhm, essential */ |
|
|
1487 | /* this obviously also doesn't work when perl is embedded */ |
|
|
1488 | static void ecb_noinline ecb_cold |
|
|
1489 | perlish_exit (pTHX) |
|
|
1490 | { |
|
|
1491 | int exitstatus = perl_destruct (PL_curinterp); |
|
|
1492 | perl_free (PL_curinterp); |
|
|
1493 | exit (exitstatus); |
1395 | } |
1494 | } |
1396 | |
1495 | |
1397 | /* |
1496 | /* |
1398 | * this is a _very_ stripped down perl interpreter ;) |
1497 | * this is a _very_ stripped down perl interpreter ;) |
1399 | */ |
1498 | */ |
… | |
… | |
1428 | */ |
1527 | */ |
1429 | |
1528 | |
1430 | /* |
1529 | /* |
1431 | * If perl-run returns we assume exit() was being called or the coro |
1530 | * 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) |
1531 | * 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 |
1532 | * 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" |
1533 | * 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 | */ |
1534 | */ |
1439 | PL_top_env = main_top_env; |
1535 | perlish_exit (aTHX); |
1440 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
|
|
1441 | } |
1536 | } |
1442 | } |
1537 | } |
1443 | |
1538 | |
1444 | static coro_cctx * |
1539 | static coro_cctx * |
1445 | cctx_new () |
1540 | cctx_new (void) |
1446 | { |
1541 | { |
1447 | coro_cctx *cctx; |
1542 | coro_cctx *cctx; |
1448 | |
1543 | |
1449 | ++cctx_count; |
1544 | ++cctx_count; |
1450 | New (0, cctx, 1, coro_cctx); |
1545 | New (0, cctx, 1, coro_cctx); |
… | |
… | |
1456 | return cctx; |
1551 | return cctx; |
1457 | } |
1552 | } |
1458 | |
1553 | |
1459 | /* create a new cctx only suitable as source */ |
1554 | /* create a new cctx only suitable as source */ |
1460 | static coro_cctx * |
1555 | static coro_cctx * |
1461 | cctx_new_empty () |
1556 | cctx_new_empty (void) |
1462 | { |
1557 | { |
1463 | coro_cctx *cctx = cctx_new (); |
1558 | coro_cctx *cctx = cctx_new (); |
1464 | |
1559 | |
1465 | cctx->sptr = 0; |
1560 | cctx->stack.sptr = 0; |
1466 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
1561 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
1467 | |
1562 | |
1468 | return cctx; |
1563 | return cctx; |
1469 | } |
1564 | } |
1470 | |
1565 | |
1471 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1566 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1472 | static coro_cctx * |
1567 | static coro_cctx * |
1473 | cctx_new_run () |
1568 | cctx_new_run (void) |
1474 | { |
1569 | { |
1475 | coro_cctx *cctx = cctx_new (); |
1570 | coro_cctx *cctx = cctx_new (); |
1476 | void *stack_start; |
|
|
1477 | size_t stack_size; |
|
|
1478 | |
1571 | |
1479 | #if HAVE_MMAP |
1572 | 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 | } |
1573 | { |
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."); |
1574 | perror ("FATAL: unable to allocate stack for coroutine, exiting."); |
1502 | _exit (EXIT_FAILURE); |
1575 | _exit (EXIT_FAILURE); |
1503 | } |
|
|
1504 | |
|
|
1505 | stack_start = cctx->sptr; |
|
|
1506 | stack_size = cctx->ssize; |
|
|
1507 | } |
1576 | } |
1508 | |
1577 | |
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); |
1578 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, cctx->stack.sptr, cctx->stack.ssze); |
1514 | |
1579 | |
1515 | return cctx; |
1580 | return cctx; |
1516 | } |
1581 | } |
1517 | |
1582 | |
1518 | static void |
1583 | static void |
… | |
… | |
1524 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current)); |
1589 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current)); |
1525 | |
1590 | |
1526 | --cctx_count; |
1591 | --cctx_count; |
1527 | coro_destroy (&cctx->cctx); |
1592 | coro_destroy (&cctx->cctx); |
1528 | |
1593 | |
1529 | /* coro_transfer creates new, empty cctx's */ |
1594 | 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 | |
1595 | |
1544 | Safefree (cctx); |
1596 | Safefree (cctx); |
1545 | } |
1597 | } |
1546 | |
1598 | |
1547 | /* wether this cctx should be destructed */ |
1599 | /* wether this cctx should be destructed */ |
1548 | #define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) |
1600 | #define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) |
1549 | |
1601 | |
1550 | static coro_cctx * |
1602 | static coro_cctx * |
1551 | cctx_get (pTHX) |
1603 | cctx_get (pTHX) |
1552 | { |
1604 | { |
1553 | while (expect_true (cctx_first)) |
1605 | while (ecb_expect_true (cctx_first)) |
1554 | { |
1606 | { |
1555 | coro_cctx *cctx = cctx_first; |
1607 | coro_cctx *cctx = cctx_first; |
1556 | cctx_first = cctx->next; |
1608 | cctx_first = cctx->next; |
1557 | --cctx_idle; |
1609 | --cctx_idle; |
1558 | |
1610 | |
1559 | if (expect_true (!CCTX_EXPIRED (cctx))) |
1611 | if (ecb_expect_true (!CCTX_EXPIRED (cctx))) |
1560 | return cctx; |
1612 | return cctx; |
1561 | |
1613 | |
1562 | cctx_destroy (cctx); |
1614 | cctx_destroy (cctx); |
1563 | } |
1615 | } |
1564 | |
1616 | |
… | |
… | |
1566 | } |
1618 | } |
1567 | |
1619 | |
1568 | static void |
1620 | static void |
1569 | cctx_put (coro_cctx *cctx) |
1621 | cctx_put (coro_cctx *cctx) |
1570 | { |
1622 | { |
1571 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr)); |
1623 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->stack.sptr)); |
1572 | |
1624 | |
1573 | /* free another cctx if overlimit */ |
1625 | /* free another cctx if overlimit */ |
1574 | if (expect_false (cctx_idle >= cctx_max_idle)) |
1626 | if (ecb_expect_false (cctx_idle >= cctx_max_idle)) |
1575 | { |
1627 | { |
1576 | coro_cctx *first = cctx_first; |
1628 | coro_cctx *first = cctx_first; |
1577 | cctx_first = first->next; |
1629 | cctx_first = first->next; |
1578 | --cctx_idle; |
1630 | --cctx_idle; |
1579 | |
1631 | |
… | |
… | |
1590 | static void |
1642 | static void |
1591 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1643 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1592 | { |
1644 | { |
1593 | /* TODO: throwing up here is considered harmful */ |
1645 | /* TODO: throwing up here is considered harmful */ |
1594 | |
1646 | |
1595 | if (expect_true (prev != next)) |
1647 | if (ecb_expect_true (prev != next)) |
1596 | { |
1648 | { |
1597 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1649 | 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,"); |
1650 | croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); |
1599 | |
1651 | |
1600 | if (expect_false (next->flags & (CF_RUNNING | CF_ZOMBIE | CF_SUSPENDED))) |
1652 | 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,"); |
1653 | croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); |
1602 | |
1654 | |
1603 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1655 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1604 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1656 | 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,"); |
1657 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1606 | #endif |
1658 | #endif |
1607 | } |
1659 | } |
1608 | } |
1660 | } |
1609 | |
1661 | |
1610 | /* always use the TRANSFER macro */ |
1662 | /* always use the TRANSFER macro */ |
1611 | static void NOINLINE /* noinline so we have a fixed stackframe */ |
1663 | static void ecb_noinline /* noinline so we have a fixed stackframe */ |
1612 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1664 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1613 | { |
1665 | { |
1614 | dSTACKLEVEL; |
1666 | dSTACKLEVEL; |
1615 | |
1667 | |
1616 | /* sometimes transfer is only called to set idle_sp */ |
1668 | /* sometimes transfer is only called to set idle_sp */ |
1617 | if (expect_false (!prev)) |
1669 | if (ecb_expect_false (!prev)) |
1618 | { |
1670 | { |
1619 | cctx_current->idle_sp = STACKLEVEL; |
1671 | cctx_current->idle_sp = STACKLEVEL; |
1620 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1672 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1621 | } |
1673 | } |
1622 | else if (expect_true (prev != next)) |
1674 | else if (ecb_expect_true (prev != next)) |
1623 | { |
1675 | { |
1624 | coro_cctx *cctx_prev; |
1676 | coro_cctx *cctx_prev; |
1625 | |
1677 | |
1626 | if (expect_false (prev->flags & CF_NEW)) |
1678 | if (ecb_expect_false (prev->flags & CF_NEW)) |
1627 | { |
1679 | { |
1628 | /* create a new empty/source context */ |
1680 | /* create a new empty/source context */ |
1629 | prev->flags &= ~CF_NEW; |
1681 | prev->flags &= ~CF_NEW; |
1630 | prev->flags |= CF_RUNNING; |
1682 | prev->flags |= CF_RUNNING; |
1631 | } |
1683 | } |
… | |
… | |
1634 | next->flags |= CF_RUNNING; |
1686 | next->flags |= CF_RUNNING; |
1635 | |
1687 | |
1636 | /* first get rid of the old state */ |
1688 | /* first get rid of the old state */ |
1637 | save_perl (aTHX_ prev); |
1689 | save_perl (aTHX_ prev); |
1638 | |
1690 | |
1639 | if (expect_false (next->flags & CF_NEW)) |
1691 | if (ecb_expect_false (next->flags & CF_NEW)) |
1640 | { |
1692 | { |
1641 | /* need to start coroutine */ |
1693 | /* need to start coroutine */ |
1642 | next->flags &= ~CF_NEW; |
1694 | next->flags &= ~CF_NEW; |
1643 | /* setup coroutine call */ |
1695 | /* setup coroutine call */ |
1644 | init_perl (aTHX_ next); |
1696 | init_perl (aTHX_ next); |
1645 | } |
1697 | } |
1646 | else |
1698 | else |
1647 | load_perl (aTHX_ next); |
1699 | load_perl (aTHX_ next); |
1648 | |
1700 | |
1649 | /* possibly untie and reuse the cctx */ |
1701 | /* possibly untie and reuse the cctx */ |
1650 | if (expect_true ( |
1702 | if (ecb_expect_true ( |
1651 | cctx_current->idle_sp == STACKLEVEL |
1703 | cctx_current->idle_sp == STACKLEVEL |
1652 | && !(cctx_current->flags & CC_TRACE) |
1704 | && !(cctx_current->flags & CC_TRACE) |
1653 | && !force_cctx |
1705 | && !force_cctx |
1654 | )) |
1706 | )) |
1655 | { |
1707 | { |
1656 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1708 | /* 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)); |
1709 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1658 | |
1710 | |
1659 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1711 | /* 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 */ |
1712 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1661 | if (expect_false (CCTX_EXPIRED (cctx_current))) |
1713 | if (ecb_expect_false (CCTX_EXPIRED (cctx_current))) |
1662 | if (expect_true (!next->cctx)) |
1714 | if (ecb_expect_true (!next->cctx)) |
1663 | next->cctx = cctx_get (aTHX); |
1715 | next->cctx = cctx_get (aTHX); |
1664 | |
1716 | |
1665 | cctx_put (cctx_current); |
1717 | cctx_put (cctx_current); |
1666 | } |
1718 | } |
1667 | else |
1719 | else |
1668 | prev->cctx = cctx_current; |
1720 | prev->cctx = cctx_current; |
1669 | |
1721 | |
1670 | ++next->usecount; |
1722 | ++next->usecount; |
1671 | |
1723 | |
1672 | cctx_prev = cctx_current; |
1724 | cctx_prev = cctx_current; |
1673 | cctx_current = expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1725 | cctx_current = ecb_expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1674 | |
1726 | |
1675 | next->cctx = 0; |
1727 | next->cctx = 0; |
1676 | |
1728 | |
1677 | if (expect_false (cctx_prev != cctx_current)) |
1729 | if (ecb_expect_false (cctx_prev != cctx_current)) |
1678 | { |
1730 | { |
1679 | cctx_prev->top_env = PL_top_env; |
1731 | cctx_prev->top_env = PL_top_env; |
1680 | PL_top_env = cctx_current->top_env; |
1732 | PL_top_env = cctx_current->top_env; |
1681 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1733 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1682 | } |
1734 | } |
… | |
… | |
1702 | return; |
1754 | return; |
1703 | |
1755 | |
1704 | slf_destroy (aTHX_ coro); |
1756 | slf_destroy (aTHX_ coro); |
1705 | |
1757 | |
1706 | coro->flags |= CF_ZOMBIE; |
1758 | coro->flags |= CF_ZOMBIE; |
1707 | |
1759 | |
1708 | if (coro->flags & CF_READY) |
1760 | if (coro->flags & CF_READY) |
1709 | { |
1761 | { |
1710 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1762 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1711 | /* alternative: look through all ready queues and remove the coro */ |
1763 | /* alternative: look through all ready queues and remove the coro */ |
1712 | --coro_nready; |
1764 | --coro_nready; |
… | |
… | |
1748 | Safefree (coro); |
1800 | Safefree (coro); |
1749 | |
1801 | |
1750 | return 0; |
1802 | return 0; |
1751 | } |
1803 | } |
1752 | |
1804 | |
1753 | static int |
1805 | static int ecb_cold |
1754 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1806 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1755 | { |
1807 | { |
1756 | /* called when perl clones the current process the slow way (windows process emulation) */ |
1808 | /* 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 */ |
1809 | /* WE SIMply nuke the pointers in the copy, causing perl to croak */ |
1758 | mg->mg_ptr = 0; |
1810 | mg->mg_ptr = 0; |
… | |
… | |
1789 | TRANSFER (ta, 1); |
1841 | TRANSFER (ta, 1); |
1790 | } |
1842 | } |
1791 | |
1843 | |
1792 | /** Coro ********************************************************************/ |
1844 | /** Coro ********************************************************************/ |
1793 | |
1845 | |
1794 | INLINE void |
1846 | ecb_inline void |
1795 | coro_enq (pTHX_ struct coro *coro) |
1847 | coro_enq (pTHX_ struct coro *coro) |
1796 | { |
1848 | { |
1797 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1849 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1798 | |
1850 | |
1799 | SvREFCNT_inc_NN (coro->hv); |
1851 | SvREFCNT_inc_NN (coro->hv); |
… | |
… | |
1801 | coro->next_ready = 0; |
1853 | coro->next_ready = 0; |
1802 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
1854 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
1803 | ready [1] = coro; |
1855 | ready [1] = coro; |
1804 | } |
1856 | } |
1805 | |
1857 | |
1806 | INLINE struct coro * |
1858 | ecb_inline struct coro * |
1807 | coro_deq (pTHX) |
1859 | coro_deq (pTHX) |
1808 | { |
1860 | { |
1809 | int prio; |
1861 | int prio; |
1810 | |
1862 | |
1811 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
1863 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
… | |
… | |
1864 | { |
1916 | { |
1865 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1917 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1866 | } |
1918 | } |
1867 | |
1919 | |
1868 | /* expects to own a reference to next->hv */ |
1920 | /* expects to own a reference to next->hv */ |
1869 | INLINE void |
1921 | ecb_inline void |
1870 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1922 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1871 | { |
1923 | { |
1872 | SV *prev_sv = SvRV (coro_current); |
1924 | SV *prev_sv = SvRV (coro_current); |
1873 | |
1925 | |
1874 | ta->prev = SvSTATE_hv (prev_sv); |
1926 | ta->prev = SvSTATE_hv (prev_sv); |
… | |
… | |
1887 | { |
1939 | { |
1888 | for (;;) |
1940 | for (;;) |
1889 | { |
1941 | { |
1890 | struct coro *next = coro_deq (aTHX); |
1942 | struct coro *next = coro_deq (aTHX); |
1891 | |
1943 | |
1892 | if (expect_true (next)) |
1944 | if (ecb_expect_true (next)) |
1893 | { |
1945 | { |
1894 | /* cannot transfer to destroyed coros, skip and look for next */ |
1946 | /* cannot transfer to destroyed coros, skip and look for next */ |
1895 | if (expect_false (next->flags & (CF_ZOMBIE | CF_SUSPENDED))) |
1947 | 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 */ |
1948 | SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ |
1897 | else |
1949 | else |
1898 | { |
1950 | { |
1899 | next->flags &= ~CF_READY; |
1951 | next->flags &= ~CF_READY; |
1900 | --coro_nready; |
1952 | --coro_nready; |
… | |
… | |
1908 | /* nothing to schedule: call the idle handler */ |
1960 | /* nothing to schedule: call the idle handler */ |
1909 | if (SvROK (sv_idle) |
1961 | if (SvROK (sv_idle) |
1910 | && SvOBJECT (SvRV (sv_idle))) |
1962 | && SvOBJECT (SvRV (sv_idle))) |
1911 | { |
1963 | { |
1912 | if (SvRV (sv_idle) == SvRV (coro_current)) |
1964 | if (SvRV (sv_idle) == SvRV (coro_current)) |
|
|
1965 | { |
|
|
1966 | require_pv ("Carp"); |
|
|
1967 | |
|
|
1968 | { |
|
|
1969 | dSP; |
|
|
1970 | |
|
|
1971 | ENTER; |
|
|
1972 | SAVETMPS; |
|
|
1973 | |
|
|
1974 | PUSHMARK (SP); |
1913 | croak ("FATAL: $Coro::IDLE blocked itself - did you try to block inside an event loop callback? Caught"); |
1975 | XPUSHs (sv_2mortal (newSVpv ("FATAL: $Coro::idle blocked itself - did you try to block inside an event loop callback? Caught", 0))); |
|
|
1976 | PUTBACK; |
|
|
1977 | call_pv ("Carp::confess", G_VOID | G_DISCARD); |
|
|
1978 | |
|
|
1979 | FREETMPS; |
|
|
1980 | LEAVE; |
|
|
1981 | } |
|
|
1982 | } |
1914 | |
1983 | |
1915 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
1984 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
1916 | api_ready (aTHX_ SvRV (sv_idle)); |
1985 | api_ready (aTHX_ SvRV (sv_idle)); |
1917 | --coro_nready; |
1986 | --coro_nready; |
1918 | } |
1987 | } |
… | |
… | |
1933 | } |
2002 | } |
1934 | } |
2003 | } |
1935 | } |
2004 | } |
1936 | } |
2005 | } |
1937 | |
2006 | |
1938 | INLINE void |
2007 | ecb_inline void |
1939 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
2008 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1940 | { |
2009 | { |
1941 | api_ready (aTHX_ coro_current); |
2010 | api_ready (aTHX_ coro_current); |
1942 | prepare_schedule (aTHX_ ta); |
2011 | prepare_schedule (aTHX_ ta); |
1943 | } |
2012 | } |
1944 | |
2013 | |
1945 | INLINE void |
2014 | ecb_inline void |
1946 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
2015 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
1947 | { |
2016 | { |
1948 | SV *prev = SvRV (coro_current); |
2017 | SV *prev = SvRV (coro_current); |
1949 | |
2018 | |
1950 | if (coro_nready) |
2019 | if (coro_nready) |
… | |
… | |
1980 | { |
2049 | { |
1981 | struct coro_transfer_args ta; |
2050 | struct coro_transfer_args ta; |
1982 | |
2051 | |
1983 | prepare_cede (aTHX_ &ta); |
2052 | prepare_cede (aTHX_ &ta); |
1984 | |
2053 | |
1985 | if (expect_true (ta.prev != ta.next)) |
2054 | if (ecb_expect_true (ta.prev != ta.next)) |
1986 | { |
2055 | { |
1987 | TRANSFER (ta, 1); |
2056 | TRANSFER (ta, 1); |
1988 | return 1; |
2057 | return 1; |
1989 | } |
2058 | } |
1990 | else |
2059 | else |
… | |
… | |
2115 | { |
2184 | { |
2116 | AV *od = coro->on_destroy; |
2185 | AV *od = coro->on_destroy; |
2117 | |
2186 | |
2118 | if (!od) |
2187 | if (!od) |
2119 | return; |
2188 | return; |
|
|
2189 | |
|
|
2190 | coro->on_destroy = 0; |
|
|
2191 | sv_2mortal ((SV *)od); |
2120 | |
2192 | |
2121 | while (AvFILLp (od) >= 0) |
2193 | while (AvFILLp (od) >= 0) |
2122 | { |
2194 | { |
2123 | SV *cb = sv_2mortal (av_pop (od)); |
2195 | SV *cb = sv_2mortal (av_pop (od)); |
2124 | |
2196 | |
… | |
… | |
2145 | |
2217 | |
2146 | static void |
2218 | static void |
2147 | coro_set_status (pTHX_ struct coro *coro, SV **arg, int items) |
2219 | coro_set_status (pTHX_ struct coro *coro, SV **arg, int items) |
2148 | { |
2220 | { |
2149 | AV *av; |
2221 | AV *av; |
2150 | |
2222 | |
2151 | if (coro->status) |
2223 | if (coro->status) |
2152 | { |
2224 | { |
2153 | av = coro->status; |
2225 | av = coro->status; |
2154 | av_clear (av); |
2226 | av_clear (av); |
2155 | } |
2227 | } |
… | |
… | |
2202 | |
2274 | |
2203 | coro = SvSTATE (arg [0]); |
2275 | coro = SvSTATE (arg [0]); |
2204 | coro_hv = coro->hv; |
2276 | coro_hv = coro->hv; |
2205 | |
2277 | |
2206 | coro_set_status (aTHX_ coro, arg + 1, items - 1); |
2278 | coro_set_status (aTHX_ coro, arg + 1, items - 1); |
2207 | |
2279 | |
2208 | if (expect_false (coro->flags & CF_NOCANCEL)) |
2280 | if (ecb_expect_false (coro->flags & CF_NOCANCEL)) |
2209 | { |
2281 | { |
2210 | /* coro currently busy cancelling something, so just notify it */ |
2282 | /* coro currently busy cancelling something, so just notify it */ |
2211 | coro->slf_frame.data = (void *)coro; |
2283 | coro->slf_frame.data = (void *)coro; |
2212 | |
2284 | |
2213 | frame->prepare = prepare_nop; |
2285 | frame->prepare = prepare_nop; |
… | |
… | |
2219 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
2291 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
2220 | } |
2292 | } |
2221 | else |
2293 | else |
2222 | { |
2294 | { |
2223 | struct coro *self = SvSTATE_current; |
2295 | struct coro *self = SvSTATE_current; |
|
|
2296 | |
|
|
2297 | if (!self) |
|
|
2298 | croak ("Coro::cancel called outside of thread content,"); |
2224 | |
2299 | |
2225 | /* otherwise we cancel directly, purely for speed reasons |
2300 | /* otherwise we cancel directly, purely for speed reasons |
2226 | * unfortunately, this requires some magic trickery, as |
2301 | * unfortunately, this requires some magic trickery, as |
2227 | * somebody else could cancel us, so we have to fight the cancellation. |
2302 | * somebody else could cancel us, so we have to fight the cancellation. |
2228 | * this is ugly, and hopefully fully worth the extra speed. |
2303 | * this is ugly, and hopefully fully worth the extra speed. |
… | |
… | |
2321 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2396 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2322 | { |
2397 | { |
2323 | HV *hv = (HV *)SvRV (coro_current); |
2398 | HV *hv = (HV *)SvRV (coro_current); |
2324 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
2399 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
2325 | |
2400 | |
2326 | if (expect_true (coro->saved_deffh)) |
2401 | if (ecb_expect_true (coro->saved_deffh)) |
2327 | { |
2402 | { |
2328 | /* subsequent iteration */ |
2403 | /* subsequent iteration */ |
2329 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
2404 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
2330 | coro->saved_deffh = 0; |
2405 | coro->saved_deffh = 0; |
2331 | |
2406 | |
… | |
… | |
2391 | |
2466 | |
2392 | static int |
2467 | static int |
2393 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
2468 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
2394 | { |
2469 | { |
2395 | SV *data = (SV *)frame->data; |
2470 | SV *data = (SV *)frame->data; |
2396 | |
2471 | |
2397 | if (CORO_THROW) |
2472 | if (CORO_THROW) |
2398 | return 0; |
2473 | return 0; |
2399 | |
2474 | |
2400 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2475 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2401 | return 1; |
2476 | return 1; |
… | |
… | |
2437 | cb = sv_2mortal (coro->rouse_cb); |
2512 | cb = sv_2mortal (coro->rouse_cb); |
2438 | coro->rouse_cb = 0; |
2513 | coro->rouse_cb = 0; |
2439 | } |
2514 | } |
2440 | |
2515 | |
2441 | if (!SvROK (cb) |
2516 | if (!SvROK (cb) |
2442 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2517 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2443 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2518 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2444 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2519 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2445 | |
2520 | |
2446 | { |
2521 | { |
2447 | CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ |
2522 | CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ |
… | |
… | |
2570 | |
2645 | |
2571 | /* "undo"/cancel a running slf call - used when cancelling a coro, mainly */ |
2646 | /* "undo"/cancel a running slf call - used when cancelling a coro, mainly */ |
2572 | static void |
2647 | static void |
2573 | slf_destroy (pTHX_ struct coro *coro) |
2648 | slf_destroy (pTHX_ struct coro *coro) |
2574 | { |
2649 | { |
2575 | /* this callback is reserved for slf functions needing to do cleanup */ |
2650 | struct CoroSLF frame = coro->slf_frame; |
2576 | if (coro->slf_frame.destroy && coro->slf_frame.prepare && !PL_dirty) |
|
|
2577 | coro->slf_frame.destroy (aTHX_ &coro->slf_frame); |
|
|
2578 | |
2651 | |
2579 | /* |
2652 | /* |
2580 | * The on_destroy above most likely is from an SLF call. |
2653 | * The on_destroy below most likely is from an SLF call. |
2581 | * Since by definition the SLF call will not finish when we destroy |
2654 | * Since by definition the SLF call will not finish when we destroy |
2582 | * the coro, we will have to force-finish it here, otherwise |
2655 | * the coro, we will have to force-finish it here, otherwise |
2583 | * cleanup functions cannot call SLF functions. |
2656 | * cleanup functions cannot call SLF functions. |
2584 | */ |
2657 | */ |
2585 | coro->slf_frame.prepare = 0; |
2658 | coro->slf_frame.prepare = 0; |
|
|
2659 | |
|
|
2660 | /* this callback is reserved for slf functions needing to do cleanup */ |
|
|
2661 | if (frame.destroy && frame.prepare && !PL_dirty) |
|
|
2662 | frame.destroy (aTHX_ &frame); |
2586 | } |
2663 | } |
2587 | |
2664 | |
2588 | /* |
2665 | /* |
2589 | * these not obviously related functions are all rolled into one |
2666 | * these not obviously related functions are all rolled into one |
2590 | * function to increase chances that they all will call transfer with the same |
2667 | * function to increase chances that they all will call transfer with the same |
… | |
… | |
2597 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
2674 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
2598 | |
2675 | |
2599 | /* set up the slf frame, unless it has already been set-up */ |
2676 | /* set up the slf frame, unless it has already been set-up */ |
2600 | /* the latter happens when a new coro has been started */ |
2677 | /* the latter happens when a new coro has been started */ |
2601 | /* or when a new cctx was attached to an existing coroutine */ |
2678 | /* or when a new cctx was attached to an existing coroutine */ |
2602 | if (expect_true (!slf_frame.prepare)) |
2679 | if (ecb_expect_true (!slf_frame.prepare)) |
2603 | { |
2680 | { |
2604 | /* first iteration */ |
2681 | /* first iteration */ |
2605 | dSP; |
2682 | dSP; |
2606 | SV **arg = PL_stack_base + TOPMARK + 1; |
2683 | SV **arg = PL_stack_base + TOPMARK + 1; |
2607 | int items = SP - arg; /* args without function object */ |
2684 | int items = SP - arg; /* args without function object */ |
… | |
… | |
2648 | while (slf_frame.check (aTHX_ &slf_frame)); |
2725 | while (slf_frame.check (aTHX_ &slf_frame)); |
2649 | |
2726 | |
2650 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
2727 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
2651 | |
2728 | |
2652 | /* exception handling */ |
2729 | /* exception handling */ |
2653 | if (expect_false (CORO_THROW)) |
2730 | if (ecb_expect_false (CORO_THROW)) |
2654 | { |
2731 | { |
2655 | SV *exception = sv_2mortal (CORO_THROW); |
2732 | SV *exception = sv_2mortal (CORO_THROW); |
2656 | |
2733 | |
2657 | CORO_THROW = 0; |
2734 | CORO_THROW = 0; |
2658 | sv_setsv (ERRSV, exception); |
2735 | sv_setsv (ERRSV, exception); |
… | |
… | |
2660 | } |
2737 | } |
2661 | |
2738 | |
2662 | /* return value handling - mostly like entersub */ |
2739 | /* return value handling - mostly like entersub */ |
2663 | /* make sure we put something on the stack in scalar context */ |
2740 | /* make sure we put something on the stack in scalar context */ |
2664 | if (GIMME_V == G_SCALAR |
2741 | if (GIMME_V == G_SCALAR |
2665 | && expect_false (PL_stack_sp != PL_stack_base + checkmark + 1)) |
2742 | && ecb_expect_false (PL_stack_sp != PL_stack_base + checkmark + 1)) |
2666 | { |
2743 | { |
2667 | dSP; |
2744 | dSP; |
2668 | SV **bot = PL_stack_base + checkmark; |
2745 | SV **bot = PL_stack_base + checkmark; |
2669 | |
2746 | |
2670 | if (sp == bot) /* too few, push undef */ |
2747 | if (sp == bot) /* too few, push undef */ |
… | |
… | |
2775 | { |
2852 | { |
2776 | SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_leave); |
2853 | SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_leave); |
2777 | on_enterleave_call (aTHX_ sv_2mortal (cb)); |
2854 | on_enterleave_call (aTHX_ sv_2mortal (cb)); |
2778 | } |
2855 | } |
2779 | |
2856 | |
|
|
2857 | static void |
|
|
2858 | enterleave_hook_xs (pTHX_ struct coro *coro, AV **avp, coro_enterleave_hook hook, void *arg) |
|
|
2859 | { |
|
|
2860 | if (!hook) |
|
|
2861 | return; |
|
|
2862 | |
|
|
2863 | if (!*avp) |
|
|
2864 | { |
|
|
2865 | *avp = newAV (); |
|
|
2866 | AvREAL_off (*avp); |
|
|
2867 | } |
|
|
2868 | |
|
|
2869 | av_push (*avp, (SV *)hook); |
|
|
2870 | av_push (*avp, (SV *)arg); |
|
|
2871 | } |
|
|
2872 | |
|
|
2873 | static void |
|
|
2874 | enterleave_unhook_xs (pTHX_ struct coro *coro, AV **avp, coro_enterleave_hook hook, int execute) |
|
|
2875 | { |
|
|
2876 | AV *av = *avp; |
|
|
2877 | int i; |
|
|
2878 | |
|
|
2879 | if (!av) |
|
|
2880 | return; |
|
|
2881 | |
|
|
2882 | for (i = AvFILLp (av) - 1; i >= 0; i -= 2) |
|
|
2883 | if (AvARRAY (av)[i] == (SV *)hook) |
|
|
2884 | { |
|
|
2885 | if (execute) |
|
|
2886 | hook (aTHX_ (void *)AvARRAY (av)[i + 1]); |
|
|
2887 | |
|
|
2888 | memmove (AvARRAY (av) + i, AvARRAY (av) + i + 2, AvFILLp (av) - i - 1); |
|
|
2889 | av_pop (av); |
|
|
2890 | av_pop (av); |
|
|
2891 | break; |
|
|
2892 | } |
|
|
2893 | |
|
|
2894 | if (AvFILLp (av) >= 0) |
|
|
2895 | { |
|
|
2896 | *avp = 0; |
|
|
2897 | SvREFCNT_dec_NN (av); |
|
|
2898 | } |
|
|
2899 | } |
|
|
2900 | |
|
|
2901 | static void |
|
|
2902 | api_enterleave_hook (pTHX_ SV *coro_sv, coro_enterleave_hook enter, void *enter_arg, coro_enterleave_hook leave, void *leave_arg) |
|
|
2903 | { |
|
|
2904 | struct coro *coro = SvSTATE (coro_sv); |
|
|
2905 | |
|
|
2906 | if (SvSTATE_current == coro) |
|
|
2907 | if (enter) |
|
|
2908 | enter (aTHX_ enter_arg); |
|
|
2909 | |
|
|
2910 | enterleave_hook_xs (aTHX_ coro, &coro->on_enter_xs, enter, enter_arg); |
|
|
2911 | enterleave_hook_xs (aTHX_ coro, &coro->on_leave_xs, leave, leave_arg); |
|
|
2912 | } |
|
|
2913 | |
|
|
2914 | static void |
|
|
2915 | api_enterleave_unhook (pTHX_ SV *coro_sv, coro_enterleave_hook enter, coro_enterleave_hook leave) |
|
|
2916 | { |
|
|
2917 | struct coro *coro = SvSTATE (coro_sv); |
|
|
2918 | |
|
|
2919 | enterleave_unhook_xs (aTHX_ coro, &coro->on_enter_xs, enter, 0); |
|
|
2920 | enterleave_unhook_xs (aTHX_ coro, &coro->on_leave_xs, leave, SvSTATE_current == coro); |
|
|
2921 | } |
|
|
2922 | |
|
|
2923 | static void |
|
|
2924 | savedestructor_unhook_enter (pTHX_ coro_enterleave_hook enter) |
|
|
2925 | { |
|
|
2926 | struct coro *coro = SvSTATE_current; |
|
|
2927 | |
|
|
2928 | enterleave_unhook_xs (aTHX_ coro, &coro->on_enter_xs, enter, 0); |
|
|
2929 | } |
|
|
2930 | |
|
|
2931 | static void |
|
|
2932 | savedestructor_unhook_leave (pTHX_ coro_enterleave_hook leave) |
|
|
2933 | { |
|
|
2934 | struct coro *coro = SvSTATE_current; |
|
|
2935 | |
|
|
2936 | enterleave_unhook_xs (aTHX_ coro, &coro->on_leave_xs, leave, 1); |
|
|
2937 | } |
|
|
2938 | |
|
|
2939 | static void |
|
|
2940 | api_enterleave_scope_hook (pTHX_ coro_enterleave_hook enter, void *enter_arg, coro_enterleave_hook leave, void *leave_arg) |
|
|
2941 | { |
|
|
2942 | api_enterleave_hook (aTHX_ coro_current, enter, enter_arg, leave, leave_arg); |
|
|
2943 | |
|
|
2944 | /* this ought to be much cheaper than malloc + a single destructor call */ |
|
|
2945 | if (enter) SAVEDESTRUCTOR_X (savedestructor_unhook_enter, enter); |
|
|
2946 | if (leave) SAVEDESTRUCTOR_X (savedestructor_unhook_leave, leave); |
|
|
2947 | } |
|
|
2948 | |
2780 | /*****************************************************************************/ |
2949 | /*****************************************************************************/ |
2781 | /* PerlIO::cede */ |
2950 | /* PerlIO::cede */ |
2782 | |
2951 | |
2783 | typedef struct |
2952 | typedef struct |
2784 | { |
2953 | { |
2785 | PerlIOBuf base; |
2954 | PerlIOBuf base; |
2786 | NV next, every; |
2955 | NV next, every; |
2787 | } PerlIOCede; |
2956 | } PerlIOCede; |
2788 | |
2957 | |
2789 | static IV |
2958 | static IV ecb_cold |
2790 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
2959 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
2791 | { |
2960 | { |
2792 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2961 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2793 | |
2962 | |
2794 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
2963 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
2795 | self->next = nvtime () + self->every; |
2964 | self->next = nvtime () + self->every; |
2796 | |
2965 | |
2797 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
2966 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
2798 | } |
2967 | } |
2799 | |
2968 | |
2800 | static SV * |
2969 | static SV * ecb_cold |
2801 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
2970 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
2802 | { |
2971 | { |
2803 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2972 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2804 | |
2973 | |
2805 | return newSVnv (self->every); |
2974 | return newSVnv (self->every); |
… | |
… | |
2912 | XPUSHs (sv_2mortal (newRV_inc ((SV *)av))); |
3081 | XPUSHs (sv_2mortal (newRV_inc ((SV *)av))); |
2913 | PUTBACK; |
3082 | PUTBACK; |
2914 | call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR); |
3083 | call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR); |
2915 | } |
3084 | } |
2916 | |
3085 | |
2917 | SvREFCNT_dec (cb); |
3086 | SvREFCNT_dec_NN (cb); |
2918 | } |
3087 | } |
2919 | } |
3088 | } |
2920 | |
3089 | |
2921 | static void |
3090 | static void |
2922 | coro_semaphore_destroy (pTHX_ struct CoroSLF *frame) |
3091 | coro_semaphore_destroy (pTHX_ struct CoroSLF *frame) |
… | |
… | |
2930 | { |
3099 | { |
2931 | AV *av = (AV *)frame->data; |
3100 | AV *av = (AV *)frame->data; |
2932 | SV *count_sv = AvARRAY (av)[0]; |
3101 | SV *count_sv = AvARRAY (av)[0]; |
2933 | SV *coro_hv = SvRV (coro_current); |
3102 | SV *coro_hv = SvRV (coro_current); |
2934 | |
3103 | |
|
|
3104 | frame->destroy = 0; |
|
|
3105 | |
2935 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
3106 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2936 | if (CORO_THROW) |
3107 | if (ecb_expect_false (CORO_THROW)) |
|
|
3108 | { |
|
|
3109 | /* we still might be responsible for the semaphore, so wake up others */ |
|
|
3110 | coro_semaphore_adjust (aTHX_ av, 0); |
|
|
3111 | |
2937 | return 0; |
3112 | return 0; |
|
|
3113 | } |
2938 | else if (SvIVX (count_sv) > 0) |
3114 | else if (SvIVX (count_sv) > 0) |
2939 | { |
3115 | { |
2940 | frame->destroy = 0; |
|
|
2941 | |
|
|
2942 | if (acquire) |
3116 | if (acquire) |
2943 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
3117 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2944 | else |
3118 | else |
2945 | coro_semaphore_adjust (aTHX_ av, 0); |
3119 | coro_semaphore_adjust (aTHX_ av, 0); |
2946 | |
3120 | |
… | |
… | |
2950 | { |
3124 | { |
2951 | int i; |
3125 | int i; |
2952 | /* if we were woken up but can't down, we look through the whole */ |
3126 | /* 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 */ |
3127 | /* waiters list and only add us if we aren't in there already */ |
2954 | /* this avoids some degenerate memory usage cases */ |
3128 | /* this avoids some degenerate memory usage cases */ |
2955 | for (i = AvFILLp (av); i > 0; --i) // i > 0 is not an off-by-one bug |
3129 | for (i = AvFILLp (av); i > 0; --i) /* i > 0 is not an off-by-one bug */ |
2956 | if (AvARRAY (av)[i] == coro_hv) |
3130 | if (AvARRAY (av)[i] == coro_hv) |
2957 | return 1; |
3131 | return 1; |
2958 | |
3132 | |
2959 | av_push (av, SvREFCNT_inc (coro_hv)); |
3133 | av_push (av, SvREFCNT_inc (coro_hv)); |
2960 | return 1; |
3134 | return 1; |
… | |
… | |
3057 | { |
3231 | { |
3058 | api_ready (aTHX_ cb); |
3232 | api_ready (aTHX_ cb); |
3059 | sv_setiv (cb, 0); /* signal waiter */ |
3233 | sv_setiv (cb, 0); /* signal waiter */ |
3060 | } |
3234 | } |
3061 | |
3235 | |
3062 | SvREFCNT_dec (cb); |
3236 | SvREFCNT_dec_NN (cb); |
3063 | |
3237 | |
3064 | --count; |
3238 | --count; |
3065 | } |
3239 | } |
3066 | } |
3240 | } |
3067 | |
3241 | |
… | |
… | |
3152 | } |
3326 | } |
3153 | |
3327 | |
3154 | av_push (state, data_sv); |
3328 | av_push (state, data_sv); |
3155 | |
3329 | |
3156 | api_ready (aTHX_ coro); |
3330 | api_ready (aTHX_ coro); |
3157 | SvREFCNT_dec (coro); |
3331 | SvREFCNT_dec_NN (coro); |
3158 | SvREFCNT_dec ((AV *)state); |
3332 | SvREFCNT_dec_NN ((AV *)state); |
3159 | } |
3333 | } |
3160 | |
3334 | |
3161 | static int |
3335 | static int |
3162 | slf_check_aio_req (pTHX_ struct CoroSLF *frame) |
3336 | slf_check_aio_req (pTHX_ struct CoroSLF *frame) |
3163 | { |
3337 | { |
… | |
… | |
3168 | /* it quickly returns */ |
3342 | /* it quickly returns */ |
3169 | if (CORO_THROW) |
3343 | if (CORO_THROW) |
3170 | return 0; |
3344 | return 0; |
3171 | |
3345 | |
3172 | /* one element that is an RV? repeat! */ |
3346 | /* one element that is an RV? repeat! */ |
3173 | if (AvFILLp (state) == 0 && SvROK (AvARRAY (state)[0])) |
3347 | if (AvFILLp (state) == 0 && SvTYPE (AvARRAY (state)[0]) != SVt_PV) |
3174 | return 1; |
3348 | return 1; |
3175 | |
3349 | |
3176 | /* restore status */ |
3350 | /* restore status */ |
3177 | { |
3351 | { |
3178 | SV *data_sv = av_pop (state); |
3352 | SV *data_sv = av_pop (state); |
… | |
… | |
3181 | errno = data->errorno; |
3355 | errno = data->errorno; |
3182 | PL_laststype = data->laststype; |
3356 | PL_laststype = data->laststype; |
3183 | PL_laststatval = data->laststatval; |
3357 | PL_laststatval = data->laststatval; |
3184 | PL_statcache = data->statcache; |
3358 | PL_statcache = data->statcache; |
3185 | |
3359 | |
3186 | SvREFCNT_dec (data_sv); |
3360 | SvREFCNT_dec_NN (data_sv); |
3187 | } |
3361 | } |
3188 | |
3362 | |
3189 | /* push result values */ |
3363 | /* push result values */ |
3190 | { |
3364 | { |
3191 | dSP; |
3365 | dSP; |
… | |
… | |
3217 | dSP; |
3391 | dSP; |
3218 | |
3392 | |
3219 | static SV *prio_cv; |
3393 | static SV *prio_cv; |
3220 | static SV *prio_sv; |
3394 | static SV *prio_sv; |
3221 | |
3395 | |
3222 | if (expect_false (!prio_cv)) |
3396 | if (ecb_expect_false (!prio_cv)) |
3223 | { |
3397 | { |
3224 | prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0); |
3398 | prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0); |
3225 | prio_sv = newSViv (0); |
3399 | prio_sv = newSViv (0); |
3226 | } |
3400 | } |
3227 | |
3401 | |
… | |
… | |
3333 | } |
3507 | } |
3334 | |
3508 | |
3335 | return coro_sv; |
3509 | return coro_sv; |
3336 | } |
3510 | } |
3337 | |
3511 | |
|
|
3512 | #ifndef __cplusplus |
|
|
3513 | ecb_cold XS(boot_Coro__State); |
|
|
3514 | #endif |
|
|
3515 | |
|
|
3516 | #if CORO_JIT |
|
|
3517 | |
|
|
3518 | static void ecb_noinline ecb_cold |
|
|
3519 | pushav_4uv (pTHX_ UV a, UV b, UV c, UV d) |
|
|
3520 | { |
|
|
3521 | dSP; |
|
|
3522 | AV *av = newAV (); |
|
|
3523 | |
|
|
3524 | av_store (av, 3, newSVuv (d)); |
|
|
3525 | av_store (av, 2, newSVuv (c)); |
|
|
3526 | av_store (av, 1, newSVuv (b)); |
|
|
3527 | av_store (av, 0, newSVuv (a)); |
|
|
3528 | |
|
|
3529 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
3530 | |
|
|
3531 | PUTBACK; |
|
|
3532 | } |
|
|
3533 | |
|
|
3534 | static void ecb_noinline ecb_cold |
|
|
3535 | jit_init (pTHX) |
|
|
3536 | { |
|
|
3537 | dSP; |
|
|
3538 | SV *load, *save; |
|
|
3539 | char *map_base; |
|
|
3540 | char *load_ptr, *save_ptr; |
|
|
3541 | STRLEN load_len, save_len, map_len; |
|
|
3542 | int count; |
|
|
3543 | |
|
|
3544 | eval_pv ("require 'Coro/jit-" CORO_JIT_TYPE ".pl'", 1); |
|
|
3545 | |
|
|
3546 | PUSHMARK (SP); |
|
|
3547 | #define VARx(name,expr,type) pushav_4uv (aTHX_ (UV)&(expr), sizeof (expr), offsetof (perl_slots, name), sizeof (type)); |
|
|
3548 | #include "state.h" |
|
|
3549 | count = call_pv ("Coro::State::_jit", G_ARRAY); |
|
|
3550 | SPAGAIN; |
|
|
3551 | |
|
|
3552 | save = POPs; save_ptr = SvPVbyte (save, save_len); |
|
|
3553 | load = POPs; load_ptr = SvPVbyte (load, load_len); |
|
|
3554 | |
|
|
3555 | map_len = load_len + save_len + 16; |
|
|
3556 | |
|
|
3557 | map_base = mmap (0, map_len, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); |
|
|
3558 | |
|
|
3559 | assert (("Coro: unable to mmap jit code page, cannot continue.", map_base != (char *)MAP_FAILED)); |
|
|
3560 | |
|
|
3561 | load_perl_slots = (load_save_perl_slots_type)map_base; |
|
|
3562 | memcpy (map_base, load_ptr, load_len); |
|
|
3563 | |
|
|
3564 | map_base += (load_len + 15) & ~15; |
|
|
3565 | |
|
|
3566 | save_perl_slots = (load_save_perl_slots_type)map_base; |
|
|
3567 | memcpy (map_base, save_ptr, save_len); |
|
|
3568 | |
|
|
3569 | /* we are good citizens and try to make the page read-only, so the evil evil */ |
|
|
3570 | /* hackers might have it a bit more difficult */ |
|
|
3571 | mprotect (map_base, map_len, PROT_READ | PROT_EXEC); |
|
|
3572 | |
|
|
3573 | PUTBACK; |
|
|
3574 | eval_pv ("undef &Coro::State::_jit", 1); |
|
|
3575 | } |
|
|
3576 | |
|
|
3577 | #endif |
|
|
3578 | |
3338 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
3579 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
3339 | |
3580 | |
3340 | PROTOTYPES: DISABLE |
3581 | PROTOTYPES: DISABLE |
3341 | |
3582 | |
3342 | BOOT: |
3583 | BOOT: |
3343 | { |
3584 | { |
|
|
3585 | #define VARx(name,expr,type) if (sizeof (type) < sizeof (expr)) croak ("FATAL: Coro thread context slot '" # name "' too small for this version of perl."); |
|
|
3586 | #include "state.h" |
3344 | #ifdef USE_ITHREADS |
3587 | #ifdef USE_ITHREADS |
3345 | # if CORO_PTHREAD |
3588 | # if CORO_PTHREAD |
3346 | coro_thx = PERL_GET_CONTEXT; |
3589 | coro_thx = PERL_GET_CONTEXT; |
3347 | # endif |
3590 | # endif |
3348 | #endif |
3591 | #endif |
3349 | BOOT_PAGESIZE; |
3592 | /* perl defines these to check for existance first, but why it doesn't */ |
|
|
3593 | /* just create them one at init time is not clear to me, except for */ |
|
|
3594 | /* programs trying to delete them, but... */ |
|
|
3595 | /* anyway, we declare this as invalid and make sure they are initialised here */ |
|
|
3596 | DEFSV; |
|
|
3597 | ERRSV; |
3350 | |
3598 | |
3351 | cctx_current = cctx_new_empty (); |
3599 | cctx_current = cctx_new_empty (); |
3352 | |
3600 | |
3353 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3601 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3354 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3602 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3355 | |
3603 | |
3356 | orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get; |
3604 | orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get; |
3357 | orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set; |
3605 | orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set; |
3358 | orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr; |
3606 | orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr; |
3359 | |
3607 | |
3360 | hv_sig = coro_get_hv (aTHX_ "SIG", TRUE); |
|
|
3361 | rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV)); |
3608 | rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV)); |
3362 | rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV)); |
3609 | rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV)); |
3363 | |
3610 | |
3364 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
3611 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
3365 | |
3612 | |
… | |
… | |
3397 | coroapi.prepare_cede_notself = prepare_cede_notself; |
3644 | coroapi.prepare_cede_notself = prepare_cede_notself; |
3398 | |
3645 | |
3399 | time_init (aTHX); |
3646 | time_init (aTHX); |
3400 | |
3647 | |
3401 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
3648 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
|
|
3649 | #if CORO_JIT |
|
|
3650 | PUTBACK; |
|
|
3651 | jit_init (aTHX); |
|
|
3652 | SPAGAIN; |
|
|
3653 | #endif |
3402 | } |
3654 | } |
3403 | |
3655 | |
3404 | SV * |
3656 | SV * |
3405 | new (SV *klass, ...) |
3657 | new (SV *klass, ...) |
3406 | ALIAS: |
3658 | ALIAS: |
… | |
… | |
3413 | void |
3665 | void |
3414 | transfer (...) |
3666 | transfer (...) |
3415 | PROTOTYPE: $$ |
3667 | PROTOTYPE: $$ |
3416 | CODE: |
3668 | CODE: |
3417 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3669 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3418 | |
|
|
3419 | void |
|
|
3420 | _exit (int code) |
|
|
3421 | PROTOTYPE: $ |
|
|
3422 | CODE: |
|
|
3423 | _exit (code); |
|
|
3424 | |
3670 | |
3425 | SV * |
3671 | SV * |
3426 | clone (Coro::State coro) |
3672 | clone (Coro::State coro) |
3427 | CODE: |
3673 | CODE: |
3428 | { |
3674 | { |
… | |
… | |
3483 | void |
3729 | void |
3484 | list () |
3730 | list () |
3485 | PROTOTYPE: |
3731 | PROTOTYPE: |
3486 | PPCODE: |
3732 | PPCODE: |
3487 | { |
3733 | { |
3488 | struct coro *coro; |
3734 | struct coro *coro; |
3489 | for (coro = coro_first; coro; coro = coro->next) |
3735 | for (coro = coro_first; coro; coro = coro->next) |
3490 | if (coro->hv) |
3736 | if (coro->hv) |
3491 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
3737 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
3492 | } |
3738 | } |
3493 | |
3739 | |
… | |
… | |
3557 | RETVAL = boolSV (coro->flags & ix); |
3803 | RETVAL = boolSV (coro->flags & ix); |
3558 | OUTPUT: |
3804 | OUTPUT: |
3559 | RETVAL |
3805 | RETVAL |
3560 | |
3806 | |
3561 | void |
3807 | void |
3562 | throw (Coro::State self, SV *exception = &PL_sv_undef) |
3808 | throw (SV *self, SV *exception = &PL_sv_undef) |
3563 | PROTOTYPE: $;$ |
3809 | PROTOTYPE: $;$ |
3564 | CODE: |
3810 | CODE: |
3565 | { |
3811 | { |
|
|
3812 | struct coro *coro = SvSTATE (self); |
3566 | struct coro *current = SvSTATE_current; |
3813 | struct coro *current = SvSTATE_current; |
3567 | SV **exceptionp = self == current ? &CORO_THROW : &self->except; |
3814 | SV **exceptionp = coro == current ? &CORO_THROW : &coro->except; |
3568 | SvREFCNT_dec (*exceptionp); |
3815 | SvREFCNT_dec (*exceptionp); |
3569 | SvGETMAGIC (exception); |
3816 | SvGETMAGIC (exception); |
3570 | *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; |
3817 | *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; |
|
|
3818 | |
|
|
3819 | api_ready (aTHX_ self); |
3571 | } |
3820 | } |
3572 | |
3821 | |
3573 | void |
3822 | void |
3574 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3823 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3575 | PROTOTYPE: $;$ |
3824 | PROTOTYPE: $;$ |
… | |
… | |
3652 | |
3901 | |
3653 | void |
3902 | void |
3654 | times (Coro::State self) |
3903 | times (Coro::State self) |
3655 | PPCODE: |
3904 | PPCODE: |
3656 | { |
3905 | { |
3657 | struct coro *current = SvSTATE (coro_current); |
3906 | struct coro *current = SvSTATE (coro_current); |
3658 | |
3907 | |
3659 | if (expect_false (current == self)) |
3908 | if (ecb_expect_false (current == self)) |
3660 | { |
3909 | { |
3661 | coro_times_update (); |
3910 | coro_times_update (); |
3662 | coro_times_add (SvSTATE (coro_current)); |
3911 | coro_times_add (SvSTATE (coro_current)); |
3663 | } |
3912 | } |
3664 | |
3913 | |
3665 | EXTEND (SP, 2); |
3914 | EXTEND (SP, 2); |
3666 | PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9))); |
3915 | 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))); |
3916 | PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9))); |
3668 | |
3917 | |
3669 | if (expect_false (current == self)) |
3918 | if (ecb_expect_false (current == self)) |
3670 | coro_times_sub (SvSTATE (coro_current)); |
3919 | coro_times_sub (SvSTATE (coro_current)); |
3671 | } |
3920 | } |
3672 | |
3921 | |
3673 | void |
3922 | void |
3674 | swap_sv (Coro::State coro, SV *sv, SV *swapsv) |
3923 | swap_sv (Coro::State coro, SV *sv, SV *swapsv) |
… | |
… | |
3692 | |
3941 | |
3693 | MODULE = Coro::State PACKAGE = Coro |
3942 | MODULE = Coro::State PACKAGE = Coro |
3694 | |
3943 | |
3695 | BOOT: |
3944 | BOOT: |
3696 | { |
3945 | { |
|
|
3946 | if (SVt_LAST > 32) |
|
|
3947 | croak ("Coro internal error: SVt_LAST > 32, swap_sv might need adjustment"); |
|
|
3948 | |
3697 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3949 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3698 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3950 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3699 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
3951 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
3700 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
3952 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
3701 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
3953 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
… | |
… | |
3705 | |
3957 | |
3706 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3958 | 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); |
3959 | 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); |
3960 | 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 */ |
3961 | CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */ |
3710 | |
3962 | |
3711 | coro_stash = gv_stashpv ("Coro", TRUE); |
3963 | coro_stash = gv_stashpv ("Coro", TRUE); |
3712 | |
3964 | |
3713 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
3965 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
3714 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
3966 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
3715 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL)); |
3967 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL)); |
… | |
… | |
3727 | coroapi.ready = api_ready; |
3979 | coroapi.ready = api_ready; |
3728 | coroapi.is_ready = api_is_ready; |
3980 | coroapi.is_ready = api_is_ready; |
3729 | coroapi.nready = coro_nready; |
3981 | coroapi.nready = coro_nready; |
3730 | coroapi.current = coro_current; |
3982 | coroapi.current = coro_current; |
3731 | |
3983 | |
|
|
3984 | coroapi.enterleave_hook = api_enterleave_hook; |
|
|
3985 | coroapi.enterleave_unhook = api_enterleave_unhook; |
|
|
3986 | coroapi.enterleave_scope_hook = api_enterleave_scope_hook; |
|
|
3987 | |
3732 | /*GCoroAPI = &coroapi;*/ |
3988 | /*GCoroAPI = &coroapi;*/ |
3733 | sv_setiv (sv, (IV)&coroapi); |
3989 | sv_setiv (sv, (IV)&coroapi); |
3734 | SvREADONLY_on (sv); |
3990 | SvREADONLY_on (sv); |
3735 | } |
3991 | } |
3736 | } |
3992 | } |
… | |
… | |
3801 | |
4057 | |
3802 | void |
4058 | void |
3803 | _set_current (SV *current) |
4059 | _set_current (SV *current) |
3804 | PROTOTYPE: $ |
4060 | PROTOTYPE: $ |
3805 | CODE: |
4061 | CODE: |
3806 | SvREFCNT_dec (SvRV (coro_current)); |
4062 | SvREFCNT_dec_NN (SvRV (coro_current)); |
3807 | SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current))); |
4063 | SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current))); |
3808 | |
4064 | |
3809 | void |
4065 | void |
3810 | _set_readyhook (SV *hook) |
4066 | _set_readyhook (SV *hook) |
3811 | PROTOTYPE: $ |
4067 | PROTOTYPE: $ |
… | |
… | |
3895 | |
4151 | |
3896 | if ((SV *)hv == &PL_sv_undef) |
4152 | if ((SV *)hv == &PL_sv_undef) |
3897 | { |
4153 | { |
3898 | SV *sv = coro_new (aTHX_ coro_stash, (SV **)&cv_pool_handler, 1, 1); |
4154 | SV *sv = coro_new (aTHX_ coro_stash, (SV **)&cv_pool_handler, 1, 1); |
3899 | hv = (HV *)SvREFCNT_inc_NN (SvRV (sv)); |
4155 | hv = (HV *)SvREFCNT_inc_NN (SvRV (sv)); |
3900 | SvREFCNT_dec (sv); |
4156 | SvREFCNT_dec_NN (sv); |
3901 | } |
4157 | } |
3902 | |
4158 | |
3903 | { |
4159 | { |
3904 | struct coro *coro = SvSTATE_hv (hv); |
4160 | struct coro *coro = SvSTATE_hv (hv); |
3905 | |
4161 | |
… | |
… | |
3912 | api_ready (aTHX_ (SV *)hv); |
4168 | api_ready (aTHX_ (SV *)hv); |
3913 | |
4169 | |
3914 | if (GIMME_V != G_VOID) |
4170 | if (GIMME_V != G_VOID) |
3915 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv))); |
4171 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv))); |
3916 | else |
4172 | else |
3917 | SvREFCNT_dec (hv); |
4173 | SvREFCNT_dec_NN (hv); |
3918 | } |
4174 | } |
3919 | |
4175 | |
3920 | SV * |
4176 | SV * |
3921 | rouse_cb () |
4177 | rouse_cb () |
3922 | PROTOTYPE: |
4178 | PROTOTYPE: |
… | |
… | |
3937 | on_leave = 1 |
4193 | on_leave = 1 |
3938 | PROTOTYPE: & |
4194 | PROTOTYPE: & |
3939 | CODE: |
4195 | CODE: |
3940 | { |
4196 | { |
3941 | struct coro *coro = SvSTATE_current; |
4197 | struct coro *coro = SvSTATE_current; |
3942 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
4198 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
3943 | |
4199 | |
3944 | block = s_get_cv_croak (block); |
4200 | block = s_get_cv_croak (block); |
3945 | |
4201 | |
3946 | if (!*avp) |
4202 | if (!*avp) |
3947 | *avp = newAV (); |
4203 | *avp = newAV (); |
… | |
… | |
3967 | |
4223 | |
3968 | SV * |
4224 | SV * |
3969 | new (SV *klass, SV *count = 0) |
4225 | new (SV *klass, SV *count = 0) |
3970 | CODE: |
4226 | CODE: |
3971 | { |
4227 | { |
3972 | int semcnt = 1; |
4228 | int semcnt = 1; |
3973 | |
4229 | |
3974 | if (count) |
4230 | if (count) |
3975 | { |
4231 | { |
3976 | SvGETMAGIC (count); |
4232 | SvGETMAGIC (count); |
3977 | |
4233 | |
… | |
… | |
4037 | XSRETURN_NO; |
4293 | XSRETURN_NO; |
4038 | } |
4294 | } |
4039 | |
4295 | |
4040 | void |
4296 | void |
4041 | waiters (SV *self) |
4297 | waiters (SV *self) |
4042 | PPCODE: |
4298 | PPCODE: |
4043 | { |
4299 | { |
4044 | AV *av = (AV *)SvRV (self); |
4300 | AV *av = (AV *)SvRV (self); |
4045 | int wcount = AvFILLp (av) + 1 - 1; |
4301 | int wcount = AvFILLp (av) + 1 - 1; |
4046 | |
4302 | |
4047 | if (GIMME_V == G_SCALAR) |
4303 | if (GIMME_V == G_SCALAR) |
… | |
… | |
4056 | } |
4312 | } |
4057 | |
4313 | |
4058 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
4314 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
4059 | |
4315 | |
4060 | void |
4316 | void |
4061 | _may_delete (SV *sem, int count, int extra_refs) |
4317 | _may_delete (SV *sem, int count, unsigned int extra_refs) |
4062 | PPCODE: |
4318 | PPCODE: |
4063 | { |
4319 | { |
4064 | AV *av = (AV *)SvRV (sem); |
4320 | AV *av = (AV *)SvRV (sem); |
4065 | |
4321 | |
4066 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
4322 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
4067 | && AvFILLp (av) == 0 /* no waiters, just count */ |
4323 | && AvFILLp (av) == 0 /* no waiters, just count */ |
4068 | && SvIV (AvARRAY (av)[0]) == count) |
4324 | && SvIV (AvARRAY (av)[0]) == count) |
4069 | XSRETURN_YES; |
4325 | XSRETURN_YES; |
… | |
… | |
4090 | |
4346 | |
4091 | void |
4347 | void |
4092 | broadcast (SV *self) |
4348 | broadcast (SV *self) |
4093 | CODE: |
4349 | CODE: |
4094 | { |
4350 | { |
4095 | AV *av = (AV *)SvRV (self); |
4351 | AV *av = (AV *)SvRV (self); |
4096 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
4352 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
4097 | } |
4353 | } |
4098 | |
4354 | |
4099 | void |
4355 | void |
4100 | send (SV *self) |
4356 | send (SV *self) |
… | |
… | |
4108 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
4364 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
4109 | } |
4365 | } |
4110 | |
4366 | |
4111 | IV |
4367 | IV |
4112 | awaited (SV *self) |
4368 | awaited (SV *self) |
4113 | CODE: |
4369 | CODE: |
4114 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
4370 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
4115 | OUTPUT: |
4371 | OUTPUT: |
4116 | RETVAL |
4372 | RETVAL |
4117 | |
4373 | |
4118 | |
4374 | |
… | |
… | |
4123 | |
4379 | |
4124 | void |
4380 | void |
4125 | _schedule (...) |
4381 | _schedule (...) |
4126 | CODE: |
4382 | CODE: |
4127 | { |
4383 | { |
4128 | static int incede; |
4384 | static int incede; |
4129 | |
4385 | |
4130 | api_cede_notself (aTHX); |
4386 | api_cede_notself (aTHX); |
4131 | |
4387 | |
4132 | ++incede; |
4388 | ++incede; |
4133 | while (coro_nready >= incede && api_cede (aTHX)) |
4389 | while (coro_nready >= incede && api_cede (aTHX)) |
… | |
… | |
4177 | { |
4433 | { |
4178 | PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; |
4434 | PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; |
4179 | coro_old_pp_sselect = 0; |
4435 | coro_old_pp_sselect = 0; |
4180 | } |
4436 | } |
4181 | |
4437 | |
|
|
4438 | MODULE = Coro::State PACKAGE = Coro::Util |
|
|
4439 | |
|
|
4440 | void |
|
|
4441 | _exit (int code) |
|
|
4442 | CODE: |
|
|
4443 | _exit (code); |
|
|
4444 | |
|
|
4445 | NV |
|
|
4446 | time () |
|
|
4447 | CODE: |
|
|
4448 | RETVAL = nvtime (aTHX); |
|
|
4449 | OUTPUT: |
|
|
4450 | RETVAL |
|
|
4451 | |
|
|
4452 | NV |
|
|
4453 | gettimeofday () |
|
|
4454 | PPCODE: |
|
|
4455 | { |
|
|
4456 | UV tv [2]; |
|
|
4457 | u2time (aTHX_ tv); |
|
|
4458 | EXTEND (SP, 2); |
|
|
4459 | PUSHs (sv_2mortal (newSVuv (tv [0]))); |
|
|
4460 | PUSHs (sv_2mortal (newSVuv (tv [1]))); |
|
|
4461 | } |
|
|
4462 | |