1 | /* this works around a bug in mingw32 providing a non-working setjmp */ |
1 | /* this works around a bug in mingw32 providing a non-working setjmp */ |
2 | #define USE_NO_MINGW_SETJMP_TWO_ARGS |
2 | #define USE_NO_MINGW_SETJMP_TWO_ARGS |
3 | |
3 | |
4 | #define NDEBUG 1 |
4 | #define NDEBUG 1 /* perl usually disables NDEBUG later */ |
5 | |
5 | |
6 | #include "libcoro/coro.c" |
6 | #include "libcoro/coro.c" |
7 | |
7 | |
8 | #define PERL_NO_GET_CONTEXT |
8 | #define PERL_NO_GET_CONTEXT |
9 | #define PERL_EXT |
9 | #define PERL_EXT |
… | |
… | |
12 | #include "perl.h" |
12 | #include "perl.h" |
13 | #include "XSUB.h" |
13 | #include "XSUB.h" |
14 | #include "perliol.h" |
14 | #include "perliol.h" |
15 | |
15 | |
16 | #include "schmorp.h" |
16 | #include "schmorp.h" |
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17 | |
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18 | #define ECB_NO_THREADS 1 |
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19 | #define ECB_NO_LIBM 1 |
17 | #include "ecb.h" |
20 | #include "ecb.h" |
18 | |
21 | |
19 | #include <stddef.h> |
22 | #include <stddef.h> |
20 | #include <stdio.h> |
23 | #include <stdio.h> |
21 | #include <errno.h> |
24 | #include <errno.h> |
22 | #include <assert.h> |
25 | #include <assert.h> |
23 | |
26 | |
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27 | #ifndef SvREFCNT_dec_NN |
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28 | #define SvREFCNT_dec_NN(sv) SvREFCNT_dec (sv) |
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29 | #endif |
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30 | |
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31 | #ifndef SvREFCNT_inc_NN |
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32 | #define SvREFCNT_inc_NN(sv) SvREFCNT_inc (sv) |
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33 | #endif |
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34 | |
24 | #ifndef SVs_PADSTALE |
35 | #ifndef SVs_PADSTALE |
25 | # define SVs_PADSTALE 0 |
36 | # define SVs_PADSTALE 0 |
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37 | #endif |
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38 | |
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39 | #ifdef PadARRAY |
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40 | # define NEWPADAPI 1 |
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41 | # define newPADLIST(var) (Newz (0, var, 1, PADLIST), Newx (PadlistARRAY (var), 2, PAD *)) |
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42 | #else |
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43 | typedef AV PADNAMELIST; |
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44 | # if !PERL_VERSION_ATLEAST(5,8,0) |
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45 | typedef AV PADLIST; |
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46 | typedef AV PAD; |
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47 | # endif |
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48 | # define PadlistARRAY(pl) ((PAD **)AvARRAY (pl)) |
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49 | # define PadlistMAX(pl) AvFILLp (pl) |
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50 | # define PadlistNAMES(pl) (*PadlistARRAY (pl)) |
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51 | # define PadARRAY AvARRAY |
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52 | # define PadMAX AvFILLp |
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53 | # define newPADLIST(var) ((var) = newAV (), av_extend (var, 1)) |
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54 | #endif |
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55 | #ifndef PadnamelistREFCNT |
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56 | # define PadnamelistREFCNT(pnl) SvREFCNT (pnl) |
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57 | #endif |
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58 | #ifndef PadnamelistREFCNT_dec |
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59 | # define PadnamelistREFCNT_dec(pnl) SvREFCNT_dec (pnl) |
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60 | #endif |
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61 | |
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62 | /* 5.19.something has replaced SVt_BIND by SVt_INVLIST */ |
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63 | /* we just alias it to SVt_IV, as that is sufficient for swap_sv for now */ |
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64 | #if PERL_VERSION_ATLEAST(5,19,0) |
|
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65 | # define SVt_BIND SVt_IV |
26 | #endif |
66 | #endif |
27 | |
67 | |
28 | #if defined(_WIN32) |
68 | #if defined(_WIN32) |
29 | # undef HAS_GETTIMEOFDAY |
69 | # undef HAS_GETTIMEOFDAY |
30 | # undef setjmp |
70 | # undef setjmp |
… | |
… | |
33 | # define setjmp _setjmp /* deep magic */ |
73 | # define setjmp _setjmp /* deep magic */ |
34 | #else |
74 | #else |
35 | # include <inttypes.h> /* most portable stdint.h */ |
75 | # include <inttypes.h> /* most portable stdint.h */ |
36 | #endif |
76 | #endif |
37 | |
77 | |
38 | #ifdef HAVE_MMAP |
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39 | # include <unistd.h> |
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40 | # include <sys/mman.h> |
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41 | # ifndef MAP_ANONYMOUS |
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42 | # ifdef MAP_ANON |
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43 | # define MAP_ANONYMOUS MAP_ANON |
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44 | # else |
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45 | # undef HAVE_MMAP |
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46 | # endif |
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47 | # endif |
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48 | # include <limits.h> |
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49 | # ifndef PAGESIZE |
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50 | # define PAGESIZE pagesize |
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51 | # define BOOT_PAGESIZE pagesize = sysconf (_SC_PAGESIZE) |
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52 | static long pagesize; |
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53 | # else |
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54 | # define BOOT_PAGESIZE (void)0 |
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55 | # endif |
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56 | #else |
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57 | # define PAGESIZE 0 |
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58 | # define BOOT_PAGESIZE (void)0 |
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59 | #endif |
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60 | |
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61 | #if CORO_USE_VALGRIND |
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62 | # include <valgrind/valgrind.h> |
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63 | #endif |
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64 | |
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65 | /* the maximum number of idle cctx that will be pooled */ |
78 | /* the maximum number of idle cctx that will be pooled */ |
66 | static int cctx_max_idle = 4; |
79 | static int cctx_max_idle = 4; |
67 | |
80 | |
68 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
81 | #if defined(DEBUGGING) && PERL_VERSION_ATLEAST(5,12,0) |
69 | # undef CORO_STACKGUARD |
82 | # define HAS_SCOPESTACK_NAME 1 |
70 | #endif |
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71 | |
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72 | #ifndef CORO_STACKGUARD |
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73 | # define CORO_STACKGUARD 0 |
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74 | #endif |
83 | #endif |
75 | |
84 | |
76 | /* prefer perl internal functions over our own? */ |
85 | /* prefer perl internal functions over our own? */ |
77 | #ifndef CORO_PREFER_PERL_FUNCTIONS |
86 | #ifndef CORO_PREFER_PERL_FUNCTIONS |
78 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
87 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
… | |
… | |
97 | # if CORO_PTHREAD |
106 | # if CORO_PTHREAD |
98 | static void *coro_thx; |
107 | static void *coro_thx; |
99 | # endif |
108 | # endif |
100 | #endif |
109 | #endif |
101 | |
110 | |
102 | /* used in state.h */ |
|
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103 | #define VAR(name,type) VARx(name, PL_ ## name, type) |
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104 | |
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105 | #ifdef __linux |
111 | #ifdef __linux |
106 | # include <time.h> /* for timespec */ |
112 | # include <time.h> /* for timespec */ |
107 | # include <syscall.h> /* for SYS_* */ |
113 | # include <syscall.h> /* for SYS_* */ |
108 | # ifdef SYS_clock_gettime |
114 | # ifdef SYS_clock_gettime |
109 | # define coro_clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
115 | # define coro_clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
110 | # define CORO_CLOCK_MONOTONIC 1 |
116 | # define CORO_CLOCK_MONOTONIC 1 |
111 | # define CORO_CLOCK_THREAD_CPUTIME_ID 3 |
117 | # define CORO_CLOCK_THREAD_CPUTIME_ID 3 |
112 | # endif |
118 | # endif |
113 | #endif |
119 | #endif |
114 | |
120 | |
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|
121 | /* perl usually suppressed asserts. for debugging, we sometimes force it to be on */ |
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122 | #if 0 |
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123 | # undef NDEBUG |
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124 | # include <assert.h> |
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125 | #endif |
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126 | |
115 | static double (*nvtime)(); /* so why doesn't it take void? */ |
127 | static double (*nvtime)(); /* so why doesn't it take void? */ |
116 | static void (*u2time)(pTHX_ UV ret[2]); |
128 | static void (*u2time)(pTHX_ UV ret[2]); |
117 | |
129 | |
118 | /* we hijack an hopefully unused CV flag for our purposes */ |
130 | /* we hijack an hopefully unused CV flag for our purposes */ |
119 | #define CVf_SLF 0x4000 |
131 | #define CVf_SLF 0x4000 |
… | |
… | |
134 | |
146 | |
135 | static GV *irsgv; /* $/ */ |
147 | static GV *irsgv; /* $/ */ |
136 | static GV *stdoutgv; /* *STDOUT */ |
148 | static GV *stdoutgv; /* *STDOUT */ |
137 | static SV *rv_diehook; |
149 | static SV *rv_diehook; |
138 | static SV *rv_warnhook; |
150 | static SV *rv_warnhook; |
139 | static HV *hv_sig; /* %SIG */ |
|
|
140 | |
151 | |
141 | /* async_pool helper stuff */ |
152 | /* async_pool helper stuff */ |
142 | static SV *sv_pool_rss; |
153 | static SV *sv_pool_rss; |
143 | static SV *sv_pool_size; |
154 | static SV *sv_pool_size; |
144 | static SV *sv_async_pool_idle; /* description string */ |
155 | static SV *sv_async_pool_idle; /* description string */ |
… | |
… | |
172 | typedef struct coro_cctx |
183 | typedef struct coro_cctx |
173 | { |
184 | { |
174 | struct coro_cctx *next; |
185 | struct coro_cctx *next; |
175 | |
186 | |
176 | /* the stack */ |
187 | /* the stack */ |
177 | void *sptr; |
188 | struct coro_stack stack; |
178 | size_t ssize; |
|
|
179 | |
189 | |
180 | /* cpu state */ |
190 | /* cpu state */ |
181 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
191 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
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|
192 | #ifndef NDEBUG |
182 | JMPENV *idle_te; /* same as idle_sp, but for top_env, TODO: remove once stable */ |
193 | JMPENV *idle_te; /* same as idle_sp, but for top_env */ |
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|
194 | #endif |
183 | JMPENV *top_env; |
195 | JMPENV *top_env; |
184 | coro_context cctx; |
196 | coro_context cctx; |
185 | |
197 | |
186 | U32 gen; |
198 | U32 gen; |
187 | #if CORO_USE_VALGRIND |
199 | #if CORO_USE_VALGRIND |
… | |
… | |
207 | }; |
219 | }; |
208 | |
220 | |
209 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
221 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
210 | typedef struct |
222 | typedef struct |
211 | { |
223 | { |
212 | #define VARx(name,expr,type) type name; |
224 | #define VARx(name,expr,type) type name; |
213 | # include "state.h" |
225 | #include "state.h" |
214 | #undef VARx |
|
|
215 | } perl_slots; |
226 | } perl_slots; |
216 | |
227 | |
217 | // how many context stack entries do we need for perl_slots |
228 | /* how many context stack entries do we need for perl_slots */ |
218 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
229 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
219 | |
230 | |
220 | /* this is a structure representing a perl-level coroutine */ |
231 | /* this is a structure representing a perl-level coroutine */ |
221 | struct coro |
232 | struct coro |
222 | { |
233 | { |
… | |
… | |
250 | SV *saved_deffh; |
261 | SV *saved_deffh; |
251 | SV *invoke_cb; |
262 | SV *invoke_cb; |
252 | AV *invoke_av; |
263 | AV *invoke_av; |
253 | |
264 | |
254 | /* on_enter/on_leave */ |
265 | /* on_enter/on_leave */ |
255 | AV *on_enter; |
266 | AV *on_enter; AV *on_enter_xs; |
256 | AV *on_leave; |
267 | AV *on_leave; AV *on_leave_xs; |
257 | |
268 | |
258 | /* swap_sv */ |
269 | /* swap_sv */ |
259 | AV *swap_sv; |
270 | AV *swap_sv; |
260 | |
271 | |
261 | /* times */ |
272 | /* times */ |
… | |
… | |
291 | #define coro_nready coroapi.nready |
302 | #define coro_nready coroapi.nready |
292 | |
303 | |
293 | /** JIT *********************************************************************/ |
304 | /** JIT *********************************************************************/ |
294 | |
305 | |
295 | #if CORO_JIT |
306 | #if CORO_JIT |
|
|
307 | /* APPLE doesn't have mmap though */ |
|
|
308 | #define CORO_JIT_UNIXY (__linux || __FreeBSD__ || __OpenBSD__ || __NetBSD__ || __solaris || __APPLE__) |
296 | #ifndef CORO_JIT_TYPE |
309 | #ifndef CORO_JIT_TYPE |
297 | #if __linux && __amd64 |
310 | #if ECB_AMD64 && CORO_JIT_UNIXY |
298 | #define CORO_JIT_TYPE "amd64-unix" |
311 | #define CORO_JIT_TYPE "amd64-unix" |
299 | typedef void (*load_save_perl_slots_type)(perl_slots *); |
312 | #elif __i386 && CORO_JIT_UNIXY |
300 | #else |
313 | #define CORO_JIT_TYPE "x86-unix" |
301 | #undef CORO_JIT |
|
|
302 | #endif |
314 | #endif |
303 | #endif |
315 | #endif |
304 | #endif |
316 | #endif |
305 | |
317 | |
|
|
318 | #if !defined(CORO_JIT_TYPE) || _POSIX_MEMORY_PROTECTION <= 0 |
|
|
319 | #undef CORO_JIT |
|
|
320 | #endif |
|
|
321 | |
306 | #if CORO_JIT |
322 | #if CORO_JIT |
307 | |
323 | typedef void (*load_save_perl_slots_type)(perl_slots *); |
308 | static load_save_perl_slots_type load_perl_slots, save_perl_slots; |
324 | static load_save_perl_slots_type load_perl_slots, save_perl_slots; |
309 | |
|
|
310 | #endif |
325 | #endif |
311 | |
326 | |
312 | /** Coro::Select ************************************************************/ |
327 | /** Coro::Select ************************************************************/ |
313 | |
328 | |
314 | static OP *(*coro_old_pp_sselect) (pTHX); |
329 | static OP *(*coro_old_pp_sselect) (pTHX); |
… | |
… | |
331 | |
346 | |
332 | /** time stuff **************************************************************/ |
347 | /** time stuff **************************************************************/ |
333 | |
348 | |
334 | #ifdef HAS_GETTIMEOFDAY |
349 | #ifdef HAS_GETTIMEOFDAY |
335 | |
350 | |
336 | ECB_INLINE void |
351 | ecb_inline void |
337 | coro_u2time (pTHX_ UV ret[2]) |
352 | coro_u2time (pTHX_ UV ret[2]) |
338 | { |
353 | { |
339 | struct timeval tv; |
354 | struct timeval tv; |
340 | gettimeofday (&tv, 0); |
355 | gettimeofday (&tv, 0); |
341 | |
356 | |
342 | ret [0] = tv.tv_sec; |
357 | ret [0] = tv.tv_sec; |
343 | ret [1] = tv.tv_usec; |
358 | ret [1] = tv.tv_usec; |
344 | } |
359 | } |
345 | |
360 | |
346 | ECB_INLINE double |
361 | ecb_inline double |
347 | coro_nvtime () |
362 | coro_nvtime (void) |
348 | { |
363 | { |
349 | struct timeval tv; |
364 | struct timeval tv; |
350 | gettimeofday (&tv, 0); |
365 | gettimeofday (&tv, 0); |
351 | |
366 | |
352 | return tv.tv_sec + tv.tv_usec * 1e-6; |
367 | return tv.tv_sec + tv.tv_usec * 1e-6; |
353 | } |
368 | } |
354 | |
369 | |
355 | ECB_INLINE void |
370 | ecb_inline void |
356 | time_init (pTHX) |
371 | time_init (pTHX) |
357 | { |
372 | { |
358 | nvtime = coro_nvtime; |
373 | nvtime = coro_nvtime; |
359 | u2time = coro_u2time; |
374 | u2time = coro_u2time; |
360 | } |
375 | } |
361 | |
376 | |
362 | #else |
377 | #else |
363 | |
378 | |
364 | ECB_INLINE void |
379 | ecb_inline void |
365 | time_init (pTHX) |
380 | time_init (pTHX) |
366 | { |
381 | { |
367 | SV **svp; |
382 | SV **svp; |
368 | |
383 | |
369 | require_pv ("Time/HiRes.pm"); |
384 | require_pv ("Time/HiRes.pm"); |
370 | |
385 | |
371 | svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
386 | svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
372 | |
387 | |
373 | if (!svp) croak ("Time::HiRes is required, but missing. Caught"); |
388 | if (!svp) croak ("Time::HiRes is required, but missing. Caught"); |
374 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer. Caught"); |
389 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer. Caught"); |
375 | |
390 | |
… | |
… | |
411 | get_hv (name, create); |
426 | get_hv (name, create); |
412 | #endif |
427 | #endif |
413 | return get_hv (name, create); |
428 | return get_hv (name, create); |
414 | } |
429 | } |
415 | |
430 | |
416 | ECB_INLINE void |
431 | ecb_inline void |
417 | coro_times_update () |
432 | coro_times_update (void) |
418 | { |
433 | { |
419 | #ifdef coro_clock_gettime |
434 | #ifdef coro_clock_gettime |
420 | struct timespec ts; |
435 | struct timespec ts; |
421 | |
436 | |
422 | ts.tv_sec = ts.tv_nsec = 0; |
437 | ts.tv_sec = ts.tv_nsec = 0; |
… | |
… | |
434 | time_real [0] = tv [0]; |
449 | time_real [0] = tv [0]; |
435 | time_real [1] = tv [1] * 1000; |
450 | time_real [1] = tv [1] * 1000; |
436 | #endif |
451 | #endif |
437 | } |
452 | } |
438 | |
453 | |
439 | ECB_INLINE void |
454 | ecb_inline void |
440 | coro_times_add (struct coro *c) |
455 | coro_times_add (struct coro *c) |
441 | { |
456 | { |
442 | c->t_real [1] += time_real [1]; |
457 | c->t_real [1] += time_real [1]; |
443 | if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } |
458 | if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } |
444 | c->t_real [0] += time_real [0]; |
459 | c->t_real [0] += time_real [0]; |
… | |
… | |
446 | c->t_cpu [1] += time_cpu [1]; |
461 | c->t_cpu [1] += time_cpu [1]; |
447 | if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } |
462 | if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } |
448 | c->t_cpu [0] += time_cpu [0]; |
463 | c->t_cpu [0] += time_cpu [0]; |
449 | } |
464 | } |
450 | |
465 | |
451 | ECB_INLINE void |
466 | ecb_inline void |
452 | coro_times_sub (struct coro *c) |
467 | coro_times_sub (struct coro *c) |
453 | { |
468 | { |
454 | if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } |
469 | if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } |
455 | c->t_real [1] -= time_real [1]; |
470 | c->t_real [1] -= time_real [1]; |
456 | c->t_real [0] -= time_real [0]; |
471 | c->t_real [0] -= time_real [0]; |
… | |
… | |
477 | : 0) |
492 | : 0) |
478 | |
493 | |
479 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
494 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
480 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
495 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
481 | |
496 | |
482 | ECB_INLINE MAGIC * |
497 | ecb_inline MAGIC * |
483 | SvSTATEhv_p (pTHX_ SV *coro) |
498 | SvSTATEhv_p (pTHX_ SV *coro) |
484 | { |
499 | { |
485 | MAGIC *mg; |
500 | MAGIC *mg; |
486 | |
501 | |
487 | if (ecb_expect_true ( |
502 | if (ecb_expect_true ( |
… | |
… | |
492 | return mg; |
507 | return mg; |
493 | |
508 | |
494 | return 0; |
509 | return 0; |
495 | } |
510 | } |
496 | |
511 | |
497 | ECB_INLINE struct coro * |
512 | ecb_inline struct coro * |
498 | SvSTATE_ (pTHX_ SV *coro) |
513 | SvSTATE_ (pTHX_ SV *coro_sv) |
499 | { |
514 | { |
500 | MAGIC *mg; |
515 | MAGIC *mg; |
501 | |
516 | |
502 | if (SvROK (coro)) |
517 | if (SvROK (coro_sv)) |
503 | coro = SvRV (coro); |
518 | coro_sv = SvRV (coro_sv); |
504 | |
519 | |
505 | mg = SvSTATEhv_p (aTHX_ coro); |
520 | mg = SvSTATEhv_p (aTHX_ coro_sv); |
506 | if (!mg) |
521 | if (!mg) |
507 | croak ("Coro::State object required"); |
522 | croak ("Coro::State object required"); |
508 | |
523 | |
509 | return (struct coro *)mg->mg_ptr; |
524 | return (struct coro *)mg->mg_ptr; |
510 | } |
525 | } |
… | |
… | |
516 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
531 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
517 | |
532 | |
518 | /*****************************************************************************/ |
533 | /*****************************************************************************/ |
519 | /* padlist management and caching */ |
534 | /* padlist management and caching */ |
520 | |
535 | |
521 | ECB_INLINE AV * |
536 | ecb_inline PADLIST * |
522 | coro_derive_padlist (pTHX_ CV *cv) |
537 | coro_derive_padlist (pTHX_ CV *cv) |
523 | { |
538 | { |
524 | AV *padlist = CvPADLIST (cv); |
539 | PADLIST *padlist = CvPADLIST (cv); |
525 | AV *newpadlist, *newpad; |
540 | PADLIST *newpadlist; |
|
|
541 | PADNAMELIST *padnames; |
|
|
542 | PAD *newpad; |
|
|
543 | PADOFFSET off = PadlistMAX (padlist) + 1; |
526 | |
544 | |
527 | newpadlist = newAV (); |
545 | #if NEWPADAPI |
|
|
546 | |
|
|
547 | /* if we had the original CvDEPTH, we might be able to steal the CvDEPTH+1 entry instead */ |
|
|
548 | /* 20131102194744.GA6705@schmorp.de, 20131102195825.2013.qmail@lists-nntp.develooper.com */ |
|
|
549 | while (!PadlistARRAY (padlist)[off - 1]) |
|
|
550 | --off; |
|
|
551 | |
|
|
552 | Perl_pad_push (aTHX_ padlist, off); |
|
|
553 | |
|
|
554 | newpad = PadlistARRAY (padlist)[off]; |
|
|
555 | PadlistARRAY (padlist)[off] = 0; |
|
|
556 | |
|
|
557 | #else |
|
|
558 | |
|
|
559 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
560 | Perl_pad_push (aTHX_ padlist, off); |
|
|
561 | #else |
|
|
562 | Perl_pad_push (aTHX_ padlist, off, 1); |
|
|
563 | #endif |
|
|
564 | |
|
|
565 | newpad = PadlistARRAY (padlist)[off]; |
|
|
566 | PadlistMAX (padlist) = off - 1; |
|
|
567 | |
|
|
568 | #endif |
|
|
569 | |
|
|
570 | newPADLIST (newpadlist); |
|
|
571 | #if !PERL_VERSION_ATLEAST(5,15,3) |
|
|
572 | /* Padlists are AvREAL as of 5.15.3. See perl bug #98092 and perl commit 7d953ba. */ |
528 | AvREAL_off (newpadlist); |
573 | AvREAL_off (newpadlist); |
529 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
530 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1); |
|
|
531 | #else |
|
|
532 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
|
|
533 | #endif |
574 | #endif |
534 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
|
|
535 | --AvFILLp (padlist); |
|
|
536 | |
575 | |
537 | av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0])); |
576 | /* Already extended to 2 elements by newPADLIST. */ |
538 | av_store (newpadlist, 1, (SV *)newpad); |
577 | PadlistMAX (newpadlist) = 1; |
|
|
578 | |
|
|
579 | padnames = PadlistNAMES (padlist); |
|
|
580 | ++PadnamelistREFCNT (padnames); |
|
|
581 | PadlistNAMES (newpadlist) = padnames; |
|
|
582 | |
|
|
583 | PadlistARRAY (newpadlist)[1] = newpad; |
539 | |
584 | |
540 | return newpadlist; |
585 | return newpadlist; |
541 | } |
586 | } |
542 | |
587 | |
543 | ECB_INLINE void |
588 | ecb_inline void |
544 | free_padlist (pTHX_ AV *padlist) |
589 | free_padlist (pTHX_ PADLIST *padlist) |
545 | { |
590 | { |
546 | /* may be during global destruction */ |
591 | /* may be during global destruction */ |
547 | if (!IN_DESTRUCT) |
592 | if (!IN_DESTRUCT) |
548 | { |
593 | { |
549 | I32 i = AvFILLp (padlist); |
594 | I32 i = PadlistMAX (padlist); |
550 | |
595 | |
551 | while (i > 0) /* special-case index 0 */ |
596 | while (i > 0) /* special-case index 0 */ |
552 | { |
597 | { |
553 | /* we try to be extra-careful here */ |
598 | /* we try to be extra-careful here */ |
554 | AV *av = (AV *)AvARRAY (padlist)[i--]; |
599 | PAD *pad = PadlistARRAY (padlist)[i--]; |
555 | I32 j = AvFILLp (av); |
|
|
556 | |
600 | |
|
|
601 | if (pad) |
|
|
602 | { |
|
|
603 | I32 j = PadMAX (pad); |
|
|
604 | |
557 | while (j >= 0) |
605 | while (j >= 0) |
558 | SvREFCNT_dec (AvARRAY (av)[j--]); |
606 | SvREFCNT_dec (PadARRAY (pad)[j--]); |
559 | |
607 | |
560 | AvFILLp (av) = -1; |
608 | PadMAX (pad) = -1; |
561 | SvREFCNT_dec (av); |
609 | SvREFCNT_dec (pad); |
|
|
610 | } |
562 | } |
611 | } |
563 | |
612 | |
564 | SvREFCNT_dec (AvARRAY (padlist)[0]); |
613 | PadnamelistREFCNT_dec (PadlistNAMES (padlist)); |
565 | |
614 | |
|
|
615 | #if NEWPADAPI |
|
|
616 | Safefree (PadlistARRAY (padlist)); |
|
|
617 | Safefree (padlist); |
|
|
618 | #else |
566 | AvFILLp (padlist) = -1; |
619 | AvFILLp (padlist) = -1; |
|
|
620 | AvREAL_off (padlist); |
567 | SvREFCNT_dec ((SV*)padlist); |
621 | SvREFCNT_dec ((SV*)padlist); |
|
|
622 | #endif |
568 | } |
623 | } |
569 | } |
624 | } |
570 | |
625 | |
571 | static int |
626 | static int |
572 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
627 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
573 | { |
628 | { |
574 | AV *padlist; |
629 | PADLIST *padlist; |
575 | AV *av = (AV *)mg->mg_obj; |
630 | PADLIST **padlists = (PADLIST **)(mg->mg_ptr + sizeof(size_t)); |
|
|
631 | size_t len = *(size_t *)mg->mg_ptr; |
576 | |
632 | |
577 | /* perl manages to free our internal AV and _then_ call us */ |
633 | /* perl manages to free our internal AV and _then_ call us */ |
578 | if (IN_DESTRUCT) |
634 | if (IN_DESTRUCT) |
579 | return 0; |
635 | return 0; |
580 | |
636 | |
581 | /* casting is fun. */ |
637 | while (len--) |
582 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
|
|
583 | free_padlist (aTHX_ padlist); |
638 | free_padlist (aTHX_ padlists[len]); |
584 | |
|
|
585 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
|
|
586 | |
639 | |
587 | return 0; |
640 | return 0; |
588 | } |
641 | } |
589 | |
642 | |
590 | static MGVTBL coro_cv_vtbl = { |
643 | static MGVTBL coro_cv_vtbl = { |
591 | 0, 0, 0, 0, |
644 | 0, 0, 0, 0, |
592 | coro_cv_free |
645 | coro_cv_free |
593 | }; |
646 | }; |
594 | |
647 | |
595 | /* the next two functions merely cache the padlists */ |
648 | /* the next two functions merely cache the padlists */ |
596 | ECB_INLINE void |
649 | ecb_inline void |
597 | get_padlist (pTHX_ CV *cv) |
650 | get_padlist (pTHX_ CV *cv) |
598 | { |
651 | { |
599 | MAGIC *mg = CORO_MAGIC_cv (cv); |
652 | MAGIC *mg = CORO_MAGIC_cv (cv); |
600 | AV *av; |
653 | size_t *lenp; |
601 | |
654 | |
602 | if (ecb_expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
655 | if (ecb_expect_true (mg && *(lenp = (size_t *)mg->mg_ptr))) |
603 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
656 | CvPADLIST (cv) = ((PADLIST **)(mg->mg_ptr + sizeof(size_t)))[--*lenp]; |
604 | else |
657 | else |
605 | { |
658 | { |
606 | #if CORO_PREFER_PERL_FUNCTIONS |
659 | #if CORO_PREFER_PERL_FUNCTIONS |
607 | /* this is probably cleaner? but also slower! */ |
660 | /* this is probably cleaner? but also slower! */ |
608 | /* in practise, it seems to be less stable */ |
661 | /* in practise, it seems to be less stable */ |
… | |
… | |
614 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
667 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
615 | #endif |
668 | #endif |
616 | } |
669 | } |
617 | } |
670 | } |
618 | |
671 | |
619 | ECB_INLINE void |
672 | ecb_inline void |
620 | put_padlist (pTHX_ CV *cv) |
673 | put_padlist (pTHX_ CV *cv) |
621 | { |
674 | { |
622 | MAGIC *mg = CORO_MAGIC_cv (cv); |
675 | MAGIC *mg = CORO_MAGIC_cv (cv); |
623 | AV *av; |
|
|
624 | |
676 | |
625 | if (ecb_expect_false (!mg)) |
677 | if (ecb_expect_false (!mg)) |
|
|
678 | { |
626 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
679 | mg = sv_magicext ((SV *)cv, 0, CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
|
|
680 | Newz (0, mg->mg_ptr ,sizeof (size_t) + sizeof (PADLIST *), char); |
|
|
681 | mg->mg_len = 1; /* so mg_free frees mg_ptr */ |
|
|
682 | } |
|
|
683 | else |
|
|
684 | Renew (mg->mg_ptr, |
|
|
685 | sizeof(size_t) + (*(size_t *)mg->mg_ptr + 1) * sizeof(PADLIST *), |
|
|
686 | char); |
627 | |
687 | |
628 | av = (AV *)mg->mg_obj; |
688 | ((PADLIST **)(mg->mg_ptr + sizeof (size_t))) [(*(size_t *)mg->mg_ptr)++] = CvPADLIST (cv); |
629 | |
|
|
630 | if (ecb_expect_false (AvFILLp (av) >= AvMAX (av))) |
|
|
631 | av_extend (av, AvFILLp (av) + 1); |
|
|
632 | |
|
|
633 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
|
|
634 | } |
689 | } |
635 | |
690 | |
636 | /** load & save, init *******************************************************/ |
691 | /** load & save, init *******************************************************/ |
637 | |
692 | |
|
|
693 | ecb_inline void |
|
|
694 | swap_sv (SV *a, SV *b) |
|
|
695 | { |
|
|
696 | const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */ |
|
|
697 | SV tmp; |
|
|
698 | |
|
|
699 | /* swap sv_any */ |
|
|
700 | SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp); |
|
|
701 | |
|
|
702 | /* swap sv_flags */ |
|
|
703 | SvFLAGS (&tmp) = SvFLAGS (a); |
|
|
704 | SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep); |
|
|
705 | SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep); |
|
|
706 | |
|
|
707 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
708 | /* perl 5.10 and later complicates this _quite_ a bit, but it also |
|
|
709 | * is much faster, so no quarrels here. alternatively, we could |
|
|
710 | * sv_upgrade to avoid this. |
|
|
711 | */ |
|
|
712 | { |
|
|
713 | /* swap sv_u */ |
|
|
714 | tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u; |
|
|
715 | |
|
|
716 | /* if SvANY points to the head, we need to adjust the pointers, |
|
|
717 | * as the pointer for a still points to b, and maybe vice versa. |
|
|
718 | */ |
|
|
719 | U32 svany_in_head_set = (1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV); |
|
|
720 | #if NVSIZE <= IVSIZE && PERL_VERSION_ATLEAST(5,22,0) |
|
|
721 | svany_in_head_set |= 1 << SVt_NV; |
|
|
722 | #endif |
|
|
723 | |
|
|
724 | #define svany_in_head(type) (svany_in_head_set & (1 << (type))) |
|
|
725 | |
|
|
726 | if (svany_in_head (SvTYPE (a))) |
|
|
727 | SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a); |
|
|
728 | |
|
|
729 | if (svany_in_head (SvTYPE (b))) |
|
|
730 | SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b); |
|
|
731 | } |
|
|
732 | #endif |
|
|
733 | } |
|
|
734 | |
638 | /* swap sv heads, at least logically */ |
735 | /* swap sv heads, at least logically */ |
639 | static void |
736 | static void |
640 | swap_svs (pTHX_ Coro__State c) |
737 | swap_svs_enter (pTHX_ Coro__State c) |
641 | { |
738 | { |
642 | int i; |
739 | int i; |
643 | |
740 | |
644 | for (i = 0; i <= AvFILLp (c->swap_sv); ) |
741 | for (i = 0; i <= AvFILLp (c->swap_sv); i += 2) |
645 | { |
742 | swap_sv (AvARRAY (c->swap_sv)[i], AvARRAY (c->swap_sv)[i + 1]); |
646 | SV *a = AvARRAY (c->swap_sv)[i++]; |
|
|
647 | SV *b = AvARRAY (c->swap_sv)[i++]; |
|
|
648 | |
|
|
649 | const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */ |
|
|
650 | SV tmp; |
|
|
651 | |
|
|
652 | /* swap sv_any */ |
|
|
653 | SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp); |
|
|
654 | |
|
|
655 | /* swap sv_flags */ |
|
|
656 | SvFLAGS (&tmp) = SvFLAGS (a); |
|
|
657 | SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep); |
|
|
658 | SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep); |
|
|
659 | |
|
|
660 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
661 | /* perl 5.10 complicates this _quite_ a bit, but it also is |
|
|
662 | * much faster, so no quarrels here. alternatively, we could |
|
|
663 | * sv_upgrade to avoid this. |
|
|
664 | */ |
|
|
665 | { |
|
|
666 | /* swap sv_u */ |
|
|
667 | tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u; |
|
|
668 | |
|
|
669 | /* if SvANY points to the head, we need to adjust the pointers, |
|
|
670 | * as the pointer for a still points to b, and maybe vice versa. |
|
|
671 | */ |
|
|
672 | #define svany_in_head(type) \ |
|
|
673 | (((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type))) |
|
|
674 | |
|
|
675 | if (svany_in_head (SvTYPE (a))) |
|
|
676 | SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a); |
|
|
677 | |
|
|
678 | if (svany_in_head (SvTYPE (b))) |
|
|
679 | SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b); |
|
|
680 | } |
|
|
681 | #endif |
|
|
682 | } |
|
|
683 | } |
743 | } |
684 | |
744 | |
|
|
745 | static void |
|
|
746 | swap_svs_leave (pTHX_ Coro__State c) |
|
|
747 | { |
|
|
748 | int i; |
|
|
749 | |
|
|
750 | for (i = AvFILLp (c->swap_sv) - 1; i >= 0; i -= 2) |
|
|
751 | swap_sv (AvARRAY (c->swap_sv)[i], AvARRAY (c->swap_sv)[i + 1]); |
|
|
752 | } |
|
|
753 | |
685 | #define SWAP_SVS(coro) \ |
754 | #define SWAP_SVS_ENTER(coro) \ |
686 | if (ecb_expect_false ((coro)->swap_sv)) \ |
755 | if (ecb_expect_false ((coro)->swap_sv)) \ |
687 | swap_svs (aTHX_ (coro)) |
756 | swap_svs_enter (aTHX_ (coro)) |
|
|
757 | |
|
|
758 | #define SWAP_SVS_LEAVE(coro) \ |
|
|
759 | if (ecb_expect_false ((coro)->swap_sv)) \ |
|
|
760 | swap_svs_leave (aTHX_ (coro)) |
688 | |
761 | |
689 | static void |
762 | static void |
690 | on_enterleave_call (pTHX_ SV *cb); |
763 | on_enterleave_call (pTHX_ SV *cb); |
691 | |
764 | |
692 | static void |
765 | static void |
… | |
… | |
699 | |
772 | |
700 | #if CORO_JIT |
773 | #if CORO_JIT |
701 | load_perl_slots (slot); |
774 | load_perl_slots (slot); |
702 | #else |
775 | #else |
703 | #define VARx(name,expr,type) expr = slot->name; |
776 | #define VARx(name,expr,type) expr = slot->name; |
704 | # include "state.h" |
777 | #include "state.h" |
705 | #undef VARx |
|
|
706 | #endif |
778 | #endif |
707 | |
779 | |
708 | { |
780 | { |
709 | dSP; |
781 | dSP; |
710 | |
782 | |
… | |
… | |
713 | /* now do the ugly restore mess */ |
785 | /* now do the ugly restore mess */ |
714 | while (ecb_expect_true (cv = (CV *)POPs)) |
786 | while (ecb_expect_true (cv = (CV *)POPs)) |
715 | { |
787 | { |
716 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
788 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
717 | CvDEPTH (cv) = PTR2IV (POPs); |
789 | CvDEPTH (cv) = PTR2IV (POPs); |
718 | CvPADLIST (cv) = (AV *)POPs; |
790 | CvPADLIST (cv) = (PADLIST *)POPs; |
719 | } |
791 | } |
720 | |
792 | |
721 | PUTBACK; |
793 | PUTBACK; |
722 | } |
794 | } |
723 | |
795 | |
… | |
… | |
738 | |
810 | |
739 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
811 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
740 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
812 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
741 | } |
813 | } |
742 | |
814 | |
|
|
815 | if (ecb_expect_false (c->on_enter_xs)) |
|
|
816 | { |
|
|
817 | int i; |
|
|
818 | |
|
|
819 | for (i = 0; i <= AvFILLp (c->on_enter_xs); i += 2) |
|
|
820 | ((coro_enterleave_hook)AvARRAY (c->on_enter_xs)[i]) (aTHX_ AvARRAY (c->on_enter_xs)[i + 1]); |
|
|
821 | } |
|
|
822 | |
743 | SWAP_SVS (c); |
823 | SWAP_SVS_ENTER (c); |
744 | } |
824 | } |
745 | |
825 | |
746 | static void |
826 | static void |
747 | save_perl (pTHX_ Coro__State c) |
827 | save_perl (pTHX_ Coro__State c) |
748 | { |
828 | { |
749 | SWAP_SVS (c); |
829 | SWAP_SVS_LEAVE (c); |
|
|
830 | |
|
|
831 | if (ecb_expect_false (c->on_leave_xs)) |
|
|
832 | { |
|
|
833 | int i; |
|
|
834 | |
|
|
835 | for (i = AvFILLp (c->on_leave_xs) - 1; i >= 0; i -= 2) |
|
|
836 | ((coro_enterleave_hook)AvARRAY (c->on_leave_xs)[i]) (aTHX_ AvARRAY (c->on_leave_xs)[i + 1]); |
|
|
837 | } |
750 | |
838 | |
751 | if (ecb_expect_false (c->on_leave)) |
839 | if (ecb_expect_false (c->on_leave)) |
752 | { |
840 | { |
753 | int i; |
841 | int i; |
754 | |
842 | |
… | |
… | |
813 | |
901 | |
814 | PUTBACK; |
902 | PUTBACK; |
815 | } |
903 | } |
816 | |
904 | |
817 | /* allocate some space on the context stack for our purposes */ |
905 | /* allocate some space on the context stack for our purposes */ |
818 | if (ecb_expect_false (cxstack_ix + SLOT_COUNT >= cxstack_max)) |
906 | if (ecb_expect_false (cxstack_ix + (int)SLOT_COUNT >= cxstack_max)) |
819 | { |
907 | { |
820 | unsigned int i; |
908 | unsigned int i; |
821 | |
909 | |
822 | for (i = 0; i < SLOT_COUNT; ++i) |
910 | for (i = 0; i < SLOT_COUNT; ++i) |
823 | CXINC; |
911 | CXINC; |
… | |
… | |
832 | |
920 | |
833 | #if CORO_JIT |
921 | #if CORO_JIT |
834 | save_perl_slots (slot); |
922 | save_perl_slots (slot); |
835 | #else |
923 | #else |
836 | #define VARx(name,expr,type) slot->name = expr; |
924 | #define VARx(name,expr,type) slot->name = expr; |
837 | # include "state.h" |
925 | #include "state.h" |
838 | #undef VARx |
|
|
839 | #endif |
926 | #endif |
840 | } |
927 | } |
841 | } |
928 | } |
842 | |
929 | |
843 | /* |
930 | /* |
… | |
… | |
875 | #endif |
962 | #endif |
876 | |
963 | |
877 | New(54,PL_scopestack,8,I32); |
964 | New(54,PL_scopestack,8,I32); |
878 | PL_scopestack_ix = 0; |
965 | PL_scopestack_ix = 0; |
879 | PL_scopestack_max = 8; |
966 | PL_scopestack_max = 8; |
|
|
967 | #if HAS_SCOPESTACK_NAME |
|
|
968 | New(54,PL_scopestack_name,8,const char*); |
|
|
969 | #endif |
880 | |
970 | |
881 | New(54,PL_savestack,24,ANY); |
971 | New(54,PL_savestack,24,ANY); |
882 | PL_savestack_ix = 0; |
972 | PL_savestack_ix = 0; |
883 | PL_savestack_max = 24; |
973 | PL_savestack_max = 24; |
|
|
974 | #if PERL_VERSION_ATLEAST (5,24,0) |
|
|
975 | /* perl 5.24 moves SS_MAXPUSH optimisation from */ |
|
|
976 | /* the header macros to PL_savestack_max */ |
|
|
977 | PL_savestack_max -= SS_MAXPUSH; |
|
|
978 | #endif |
884 | |
979 | |
885 | #if !PERL_VERSION_ATLEAST (5,10,0) |
980 | #if !PERL_VERSION_ATLEAST (5,10,0) |
886 | New(54,PL_retstack,4,OP*); |
981 | New(54,PL_retstack,4,OP*); |
887 | PL_retstack_ix = 0; |
982 | PL_retstack_ix = 0; |
888 | PL_retstack_max = 4; |
983 | PL_retstack_max = 4; |
… | |
… | |
912 | } |
1007 | } |
913 | |
1008 | |
914 | Safefree (PL_tmps_stack); |
1009 | Safefree (PL_tmps_stack); |
915 | Safefree (PL_markstack); |
1010 | Safefree (PL_markstack); |
916 | Safefree (PL_scopestack); |
1011 | Safefree (PL_scopestack); |
|
|
1012 | #if HAS_SCOPESTACK_NAME |
|
|
1013 | Safefree (PL_scopestack_name); |
|
|
1014 | #endif |
917 | Safefree (PL_savestack); |
1015 | Safefree (PL_savestack); |
918 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1016 | #if !PERL_VERSION_ATLEAST (5,10,0) |
919 | Safefree (PL_retstack); |
1017 | Safefree (PL_retstack); |
920 | #endif |
1018 | #endif |
921 | } |
1019 | } |
… | |
… | |
951 | } |
1049 | } |
952 | |
1050 | |
953 | return rss; |
1051 | return rss; |
954 | } |
1052 | } |
955 | |
1053 | |
956 | /** coroutine stack handling ************************************************/ |
1054 | /** provide custom get/set/clear methods for %SIG elements ******************/ |
957 | |
|
|
958 | static int (*orig_sigelem_get) (pTHX_ SV *sv, MAGIC *mg); |
|
|
959 | static int (*orig_sigelem_set) (pTHX_ SV *sv, MAGIC *mg); |
|
|
960 | static int (*orig_sigelem_clr) (pTHX_ SV *sv, MAGIC *mg); |
|
|
961 | |
1055 | |
962 | /* apparently < 5.8.8 */ |
1056 | /* apparently < 5.8.8 */ |
963 | #ifndef MgPV_nolen_const |
1057 | #ifndef MgPV_nolen_const |
964 | #define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \ |
1058 | #define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \ |
965 | SvPV_nolen((SV*)((mg)->mg_ptr)) : \ |
1059 | SvPV_nolen((SV*)((mg)->mg_ptr)) : \ |
966 | (const char*)(mg)->mg_ptr) |
1060 | (const char*)(mg)->mg_ptr) |
967 | #endif |
1061 | #endif |
|
|
1062 | |
|
|
1063 | /* this will be a patched copy of PL_vtbl_sigelem */ |
|
|
1064 | static MGVTBL coro_sigelem_vtbl; |
|
|
1065 | |
|
|
1066 | static int ecb_cold |
|
|
1067 | coro_sig_copy (pTHX_ SV *sv, MAGIC *mg, SV *nsv, const char *name, I32 namlen) |
|
|
1068 | { |
|
|
1069 | char *key = SvPV_nolen ((SV *)name); |
|
|
1070 | |
|
|
1071 | /* do what mg_copy normally does */ |
|
|
1072 | sv_magic (nsv, mg->mg_obj, PERL_MAGIC_sigelem, name, namlen); |
|
|
1073 | assert (mg_find (nsv, PERL_MAGIC_sigelem)->mg_virtual == &PL_vtbl_sigelem); |
|
|
1074 | |
|
|
1075 | /* patch sigelem vtbl, but only for __WARN__ and __DIE__ */ |
|
|
1076 | if (*key == '_' |
|
|
1077 | && (strEQ (key, "__DIE__") |
|
|
1078 | || strEQ (key, "__WARN__"))) |
|
|
1079 | mg_find (nsv, PERL_MAGIC_sigelem)->mg_virtual = &coro_sigelem_vtbl; |
|
|
1080 | |
|
|
1081 | return 1; |
|
|
1082 | } |
|
|
1083 | |
|
|
1084 | /* perl does not have a %SIG vtbl, we provide one so we can override */ |
|
|
1085 | /* the magic vtbl for the __DIE__ and __WARN__ members */ |
|
|
1086 | static const MGVTBL coro_sig_vtbl = { |
|
|
1087 | 0, 0, 0, 0, 0, |
|
|
1088 | coro_sig_copy |
|
|
1089 | }; |
968 | |
1090 | |
969 | /* |
1091 | /* |
970 | * This overrides the default magic get method of %SIG elements. |
1092 | * This overrides the default magic get method of %SIG elements. |
971 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
1093 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
972 | * and instead of trying to save and restore the hash elements (extremely slow), |
1094 | * and instead of trying to save and restore the hash elements (extremely slow), |
… | |
… | |
974 | */ |
1096 | */ |
975 | static int ecb_cold |
1097 | static int ecb_cold |
976 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
1098 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
977 | { |
1099 | { |
978 | const char *s = MgPV_nolen_const (mg); |
1100 | const char *s = MgPV_nolen_const (mg); |
|
|
1101 | /* the key must be either __DIE__ or __WARN__ here */ |
|
|
1102 | SV **svp = s[2] == 'D' ? &PL_diehook : &PL_warnhook; |
979 | |
1103 | |
980 | if (*s == '_') |
1104 | SV *ssv; |
981 | { |
|
|
982 | SV **svp = 0; |
|
|
983 | |
1105 | |
984 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
|
|
985 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
|
|
986 | |
|
|
987 | if (svp) |
1106 | if (!*svp) |
988 | { |
1107 | ssv = &PL_sv_undef; |
989 | sv_setsv (sv, *svp ? *svp : &PL_sv_undef); |
1108 | else if (SvTYPE (*svp) == SVt_PVCV) /* perlio directly stores a CV in warnhook. ugh. */ |
990 | return 0; |
1109 | ssv = sv_2mortal (newRV_inc (*svp)); |
991 | } |
1110 | else |
992 | } |
1111 | ssv = *svp; |
993 | |
1112 | |
994 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
1113 | sv_setsv (sv, ssv); |
|
|
1114 | return 0; |
995 | } |
1115 | } |
996 | |
1116 | |
997 | static int ecb_cold |
1117 | static int ecb_cold |
998 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
1118 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
999 | { |
1119 | { |
1000 | const char *s = MgPV_nolen_const (mg); |
1120 | const char *s = MgPV_nolen_const (mg); |
|
|
1121 | /* the key must be either __DIE__ or __WARN__ here */ |
|
|
1122 | SV **svp = s[2] == 'D' ? &PL_diehook : &PL_warnhook; |
1001 | |
1123 | |
1002 | if (*s == '_') |
|
|
1003 | { |
|
|
1004 | SV **svp = 0; |
|
|
1005 | |
|
|
1006 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
|
|
1007 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
|
|
1008 | |
|
|
1009 | if (svp) |
|
|
1010 | { |
|
|
1011 | SV *old = *svp; |
1124 | SV *old = *svp; |
1012 | *svp = 0; |
1125 | *svp = 0; |
1013 | SvREFCNT_dec (old); |
1126 | SvREFCNT_dec (old); |
1014 | return 0; |
1127 | return 0; |
1015 | } |
|
|
1016 | } |
|
|
1017 | |
|
|
1018 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
|
|
1019 | } |
1128 | } |
1020 | |
1129 | |
1021 | static int ecb_cold |
1130 | static int ecb_cold |
1022 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
1131 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
1023 | { |
1132 | { |
1024 | const char *s = MgPV_nolen_const (mg); |
1133 | const char *s = MgPV_nolen_const (mg); |
|
|
1134 | /* the key must be either __DIE__ or __WARN__ here */ |
|
|
1135 | SV **svp = s[2] == 'D' ? &PL_diehook : &PL_warnhook; |
1025 | |
1136 | |
1026 | if (*s == '_') |
|
|
1027 | { |
|
|
1028 | SV **svp = 0; |
|
|
1029 | |
|
|
1030 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
|
|
1031 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
|
|
1032 | |
|
|
1033 | if (svp) |
|
|
1034 | { |
|
|
1035 | SV *old = *svp; |
1137 | SV *old = *svp; |
1036 | *svp = SvOK (sv) ? newSVsv (sv) : 0; |
1138 | *svp = SvOK (sv) ? newSVsv (sv) : 0; |
1037 | SvREFCNT_dec (old); |
1139 | SvREFCNT_dec (old); |
1038 | return 0; |
1140 | return 0; |
1039 | } |
|
|
1040 | } |
|
|
1041 | |
|
|
1042 | return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0; |
|
|
1043 | } |
1141 | } |
1044 | |
1142 | |
1045 | static void |
1143 | static void |
1046 | prepare_nop (pTHX_ struct coro_transfer_args *ta) |
1144 | prepare_nop (pTHX_ struct coro_transfer_args *ta) |
1047 | { |
1145 | { |
… | |
… | |
1058 | static int |
1156 | static int |
1059 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
1157 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
1060 | { |
1158 | { |
1061 | return 1; |
1159 | return 1; |
1062 | } |
1160 | } |
|
|
1161 | |
|
|
1162 | /** coroutine stack handling ************************************************/ |
1063 | |
1163 | |
1064 | static UNOP init_perl_op; |
1164 | static UNOP init_perl_op; |
1065 | |
1165 | |
1066 | ecb_noinline static void /* noinline to keep it out of the transfer fast path */ |
1166 | ecb_noinline static void /* noinline to keep it out of the transfer fast path */ |
1067 | init_perl (pTHX_ struct coro *coro) |
1167 | init_perl (pTHX_ struct coro *coro) |
… | |
… | |
1088 | PL_hints = 0; |
1188 | PL_hints = 0; |
1089 | |
1189 | |
1090 | /* recreate the die/warn hooks */ |
1190 | /* recreate the die/warn hooks */ |
1091 | PL_diehook = SvREFCNT_inc (rv_diehook); |
1191 | PL_diehook = SvREFCNT_inc (rv_diehook); |
1092 | PL_warnhook = SvREFCNT_inc (rv_warnhook); |
1192 | PL_warnhook = SvREFCNT_inc (rv_warnhook); |
1093 | |
1193 | |
1094 | GvSV (PL_defgv) = newSV (0); |
1194 | GvSV (PL_defgv) = newSV (0); |
1095 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1195 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1096 | GvSV (PL_errgv) = newSV (0); |
1196 | GvSV (PL_errgv) = newSV (0); |
1097 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
1197 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
1098 | GvHV (PL_hintgv) = 0; |
1198 | GvHV (PL_hintgv) = newHV (); |
|
|
1199 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
1200 | hv_magic (GvHV (PL_hintgv), 0, PERL_MAGIC_hints); |
|
|
1201 | #endif |
1099 | PL_rs = newSVsv (GvSV (irsgv)); |
1202 | PL_rs = newSVsv (GvSV (irsgv)); |
1100 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
1203 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
1101 | |
1204 | |
1102 | { |
1205 | { |
1103 | dSP; |
1206 | dSP; |
… | |
… | |
1131 | PL_op = (OP *)&init_perl_op; |
1234 | PL_op = (OP *)&init_perl_op; |
1132 | |
1235 | |
1133 | /* copy throw, in case it was set before init_perl */ |
1236 | /* copy throw, in case it was set before init_perl */ |
1134 | CORO_THROW = coro->except; |
1237 | CORO_THROW = coro->except; |
1135 | |
1238 | |
1136 | SWAP_SVS (coro); |
1239 | SWAP_SVS_ENTER (coro); |
1137 | |
1240 | |
1138 | if (ecb_expect_false (enable_times)) |
1241 | if (ecb_expect_false (enable_times)) |
1139 | { |
1242 | { |
1140 | coro_times_update (); |
1243 | coro_times_update (); |
1141 | coro_times_sub (coro); |
1244 | coro_times_sub (coro); |
… | |
… | |
1179 | /* this will cause transfer_check to croak on block*/ |
1282 | /* this will cause transfer_check to croak on block*/ |
1180 | SvRV_set (coro_current, (SV *)coro->hv); |
1283 | SvRV_set (coro_current, (SV *)coro->hv); |
1181 | |
1284 | |
1182 | load_perl (aTHX_ coro); |
1285 | load_perl (aTHX_ coro); |
1183 | |
1286 | |
|
|
1287 | /* restore swapped sv's */ |
|
|
1288 | SWAP_SVS_LEAVE (coro); |
|
|
1289 | |
1184 | coro_unwind_stacks (aTHX); |
1290 | coro_unwind_stacks (aTHX); |
1185 | |
1291 | |
1186 | /* restore swapped sv's */ |
|
|
1187 | SWAP_SVS (coro); |
|
|
1188 | |
|
|
1189 | coro_destruct_stacks (aTHX); |
1292 | coro_destruct_stacks (aTHX); |
1190 | |
1293 | |
1191 | // now save some sv's to be free'd later |
1294 | /* now save some sv's to be free'd later */ |
1192 | svf [0] = GvSV (PL_defgv); |
1295 | svf [0] = GvSV (PL_defgv); |
1193 | svf [1] = (SV *)GvAV (PL_defgv); |
1296 | svf [1] = (SV *)GvAV (PL_defgv); |
1194 | svf [2] = GvSV (PL_errgv); |
1297 | svf [2] = GvSV (PL_errgv); |
1195 | svf [3] = (SV *)PL_defoutgv; |
1298 | svf [3] = (SV *)PL_defoutgv; |
1196 | svf [4] = PL_rs; |
1299 | svf [4] = PL_rs; |
… | |
… | |
1213 | |
1316 | |
1214 | SvREFCNT_dec (coro->saved_deffh); |
1317 | SvREFCNT_dec (coro->saved_deffh); |
1215 | SvREFCNT_dec (coro->rouse_cb); |
1318 | SvREFCNT_dec (coro->rouse_cb); |
1216 | SvREFCNT_dec (coro->invoke_cb); |
1319 | SvREFCNT_dec (coro->invoke_cb); |
1217 | SvREFCNT_dec (coro->invoke_av); |
1320 | SvREFCNT_dec (coro->invoke_av); |
|
|
1321 | SvREFCNT_dec (coro->on_enter_xs); |
|
|
1322 | SvREFCNT_dec (coro->on_leave_xs); |
1218 | } |
1323 | } |
1219 | } |
1324 | } |
1220 | |
1325 | |
1221 | ECB_INLINE void |
1326 | ecb_inline void |
1222 | free_coro_mortal (pTHX) |
1327 | free_coro_mortal (pTHX) |
1223 | { |
1328 | { |
1224 | if (ecb_expect_true (coro_mortal)) |
1329 | if (ecb_expect_true (coro_mortal)) |
1225 | { |
1330 | { |
1226 | SvREFCNT_dec ((SV *)coro_mortal); |
1331 | SvREFCNT_dec ((SV *)coro_mortal); |
… | |
… | |
1285 | |
1390 | |
1286 | if (PL_curcop != &PL_compiling) |
1391 | if (PL_curcop != &PL_compiling) |
1287 | { |
1392 | { |
1288 | SV **cb; |
1393 | SV **cb; |
1289 | |
1394 | |
1290 | if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB) |
1395 | if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB && cxstack_ix >= 0) |
1291 | { |
1396 | { |
1292 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1397 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1293 | |
1398 | |
1294 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
1399 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
1295 | { |
1400 | { |
… | |
… | |
1385 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1490 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1386 | slf_frame.check = slf_check_set_stacklevel; |
1491 | slf_frame.check = slf_check_set_stacklevel; |
1387 | } |
1492 | } |
1388 | |
1493 | |
1389 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1494 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1390 | ECB_INLINE void |
1495 | ecb_inline void |
1391 | transfer_tail (pTHX) |
1496 | transfer_tail (pTHX) |
1392 | { |
1497 | { |
1393 | free_coro_mortal (aTHX); |
1498 | free_coro_mortal (aTHX); |
|
|
1499 | } |
|
|
1500 | |
|
|
1501 | /* try to exit the same way perl's main function would do */ |
|
|
1502 | /* we do not bother resetting the environment or other things *7 |
|
|
1503 | /* that are not, uhm, essential */ |
|
|
1504 | /* this obviously also doesn't work when perl is embedded */ |
|
|
1505 | static void ecb_noinline ecb_cold |
|
|
1506 | perlish_exit (pTHX) |
|
|
1507 | { |
|
|
1508 | int exitstatus = perl_destruct (PL_curinterp); |
|
|
1509 | perl_free (PL_curinterp); |
|
|
1510 | exit (exitstatus); |
1394 | } |
1511 | } |
1395 | |
1512 | |
1396 | /* |
1513 | /* |
1397 | * this is a _very_ stripped down perl interpreter ;) |
1514 | * this is a _very_ stripped down perl interpreter ;) |
1398 | */ |
1515 | */ |
… | |
… | |
1425 | * coro body here, as perl_run destroys these. Likewise, we cannot catch |
1542 | * coro body here, as perl_run destroys these. Likewise, we cannot catch |
1426 | * runtime errors here, as this is just a random interpreter, not a thread. |
1543 | * runtime errors here, as this is just a random interpreter, not a thread. |
1427 | */ |
1544 | */ |
1428 | |
1545 | |
1429 | /* |
1546 | /* |
|
|
1547 | * pp_entersub in 5.24 no longer ENTERs, but perl_destruct |
|
|
1548 | * requires PL_scopestack_ix, so do it here if required. |
|
|
1549 | */ |
|
|
1550 | if (!PL_scopestack_ix) |
|
|
1551 | ENTER; |
|
|
1552 | |
|
|
1553 | /* |
1430 | * If perl-run returns we assume exit() was being called or the coro |
1554 | * If perl-run returns we assume exit() was being called or the coro |
1431 | * fell off the end, which seems to be the only valid (non-bug) |
1555 | * fell off the end, which seems to be the only valid (non-bug) |
1432 | * reason for perl_run to return. We try to exit by jumping to the |
1556 | * reason for perl_run to return. We try to mimic whatever perl is normally |
1433 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
1557 | * doing in that case. YMMV. |
1434 | * coroutine as Coro has no such concept. |
|
|
1435 | * This actually isn't valid with the pthread backend, but OSes requiring |
|
|
1436 | * that backend are too broken to do it in a standards-compliant way. |
|
|
1437 | */ |
1558 | */ |
1438 | PL_top_env = main_top_env; |
1559 | perlish_exit (aTHX); |
1439 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
|
|
1440 | } |
1560 | } |
1441 | } |
1561 | } |
1442 | |
1562 | |
1443 | static coro_cctx * |
1563 | static coro_cctx * |
1444 | cctx_new () |
1564 | cctx_new (void) |
1445 | { |
1565 | { |
1446 | coro_cctx *cctx; |
1566 | coro_cctx *cctx; |
1447 | |
1567 | |
1448 | ++cctx_count; |
1568 | ++cctx_count; |
1449 | New (0, cctx, 1, coro_cctx); |
1569 | New (0, cctx, 1, coro_cctx); |
… | |
… | |
1455 | return cctx; |
1575 | return cctx; |
1456 | } |
1576 | } |
1457 | |
1577 | |
1458 | /* create a new cctx only suitable as source */ |
1578 | /* create a new cctx only suitable as source */ |
1459 | static coro_cctx * |
1579 | static coro_cctx * |
1460 | cctx_new_empty () |
1580 | cctx_new_empty (void) |
1461 | { |
1581 | { |
1462 | coro_cctx *cctx = cctx_new (); |
1582 | coro_cctx *cctx = cctx_new (); |
1463 | |
1583 | |
1464 | cctx->sptr = 0; |
1584 | cctx->stack.sptr = 0; |
1465 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
1585 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
1466 | |
1586 | |
1467 | return cctx; |
1587 | return cctx; |
1468 | } |
1588 | } |
1469 | |
1589 | |
1470 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1590 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1471 | static coro_cctx * |
1591 | static coro_cctx * |
1472 | cctx_new_run () |
1592 | cctx_new_run (void) |
1473 | { |
1593 | { |
1474 | coro_cctx *cctx = cctx_new (); |
1594 | coro_cctx *cctx = cctx_new (); |
1475 | void *stack_start; |
|
|
1476 | size_t stack_size; |
|
|
1477 | |
1595 | |
1478 | #if HAVE_MMAP |
1596 | if (!coro_stack_alloc (&cctx->stack, cctx_stacksize)) |
1479 | cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
|
|
1480 | /* mmap supposedly does allocate-on-write for us */ |
|
|
1481 | cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
|
|
1482 | |
|
|
1483 | if (cctx->sptr != (void *)-1) |
|
|
1484 | { |
|
|
1485 | #if CORO_STACKGUARD |
|
|
1486 | mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); |
|
|
1487 | #endif |
|
|
1488 | stack_start = (char *)cctx->sptr + CORO_STACKGUARD * PAGESIZE; |
|
|
1489 | stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE; |
|
|
1490 | cctx->flags |= CC_MAPPED; |
|
|
1491 | } |
1597 | { |
1492 | else |
|
|
1493 | #endif |
|
|
1494 | { |
|
|
1495 | cctx->ssize = cctx_stacksize * (long)sizeof (long); |
|
|
1496 | New (0, cctx->sptr, cctx_stacksize, long); |
|
|
1497 | |
|
|
1498 | if (!cctx->sptr) |
|
|
1499 | { |
|
|
1500 | perror ("FATAL: unable to allocate stack for coroutine, exiting."); |
1598 | perror ("FATAL: unable to allocate stack for coroutine, exiting."); |
1501 | _exit (EXIT_FAILURE); |
1599 | _exit (EXIT_FAILURE); |
1502 | } |
|
|
1503 | |
|
|
1504 | stack_start = cctx->sptr; |
|
|
1505 | stack_size = cctx->ssize; |
|
|
1506 | } |
1600 | } |
1507 | |
1601 | |
1508 | #if CORO_USE_VALGRIND |
|
|
1509 | cctx->valgrind_id = VALGRIND_STACK_REGISTER ((char *)stack_start, (char *)stack_start + stack_size); |
|
|
1510 | #endif |
|
|
1511 | |
|
|
1512 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size); |
1602 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, cctx->stack.sptr, cctx->stack.ssze); |
1513 | |
1603 | |
1514 | return cctx; |
1604 | return cctx; |
1515 | } |
1605 | } |
1516 | |
1606 | |
1517 | static void |
1607 | static void |
… | |
… | |
1523 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current)); |
1613 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current)); |
1524 | |
1614 | |
1525 | --cctx_count; |
1615 | --cctx_count; |
1526 | coro_destroy (&cctx->cctx); |
1616 | coro_destroy (&cctx->cctx); |
1527 | |
1617 | |
1528 | /* coro_transfer creates new, empty cctx's */ |
1618 | coro_stack_free (&cctx->stack); |
1529 | if (cctx->sptr) |
|
|
1530 | { |
|
|
1531 | #if CORO_USE_VALGRIND |
|
|
1532 | VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); |
|
|
1533 | #endif |
|
|
1534 | |
|
|
1535 | #if HAVE_MMAP |
|
|
1536 | if (cctx->flags & CC_MAPPED) |
|
|
1537 | munmap (cctx->sptr, cctx->ssize); |
|
|
1538 | else |
|
|
1539 | #endif |
|
|
1540 | Safefree (cctx->sptr); |
|
|
1541 | } |
|
|
1542 | |
1619 | |
1543 | Safefree (cctx); |
1620 | Safefree (cctx); |
1544 | } |
1621 | } |
1545 | |
1622 | |
1546 | /* wether this cctx should be destructed */ |
1623 | /* wether this cctx should be destructed */ |
… | |
… | |
1565 | } |
1642 | } |
1566 | |
1643 | |
1567 | static void |
1644 | static void |
1568 | cctx_put (coro_cctx *cctx) |
1645 | cctx_put (coro_cctx *cctx) |
1569 | { |
1646 | { |
1570 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr)); |
1647 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->stack.sptr)); |
1571 | |
1648 | |
1572 | /* free another cctx if overlimit */ |
1649 | /* free another cctx if overlimit */ |
1573 | if (ecb_expect_false (cctx_idle >= cctx_max_idle)) |
1650 | if (ecb_expect_false (cctx_idle >= cctx_max_idle)) |
1574 | { |
1651 | { |
1575 | coro_cctx *first = cctx_first; |
1652 | coro_cctx *first = cctx_first; |
… | |
… | |
1701 | return; |
1778 | return; |
1702 | |
1779 | |
1703 | slf_destroy (aTHX_ coro); |
1780 | slf_destroy (aTHX_ coro); |
1704 | |
1781 | |
1705 | coro->flags |= CF_ZOMBIE; |
1782 | coro->flags |= CF_ZOMBIE; |
1706 | |
1783 | |
1707 | if (coro->flags & CF_READY) |
1784 | if (coro->flags & CF_READY) |
1708 | { |
1785 | { |
1709 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1786 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1710 | /* alternative: look through all ready queues and remove the coro */ |
1787 | /* alternative: look through all ready queues and remove the coro */ |
1711 | --coro_nready; |
1788 | --coro_nready; |
… | |
… | |
1788 | TRANSFER (ta, 1); |
1865 | TRANSFER (ta, 1); |
1789 | } |
1866 | } |
1790 | |
1867 | |
1791 | /** Coro ********************************************************************/ |
1868 | /** Coro ********************************************************************/ |
1792 | |
1869 | |
1793 | ECB_INLINE void |
1870 | ecb_inline void |
1794 | coro_enq (pTHX_ struct coro *coro) |
1871 | coro_enq (pTHX_ struct coro *coro) |
1795 | { |
1872 | { |
1796 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1873 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1797 | |
1874 | |
1798 | SvREFCNT_inc_NN (coro->hv); |
1875 | SvREFCNT_inc_NN (coro->hv); |
… | |
… | |
1800 | coro->next_ready = 0; |
1877 | coro->next_ready = 0; |
1801 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
1878 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
1802 | ready [1] = coro; |
1879 | ready [1] = coro; |
1803 | } |
1880 | } |
1804 | |
1881 | |
1805 | ECB_INLINE struct coro * |
1882 | ecb_inline struct coro * |
1806 | coro_deq (pTHX) |
1883 | coro_deq (pTHX) |
1807 | { |
1884 | { |
1808 | int prio; |
1885 | int prio; |
1809 | |
1886 | |
1810 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
1887 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
… | |
… | |
1863 | { |
1940 | { |
1864 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1941 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1865 | } |
1942 | } |
1866 | |
1943 | |
1867 | /* expects to own a reference to next->hv */ |
1944 | /* expects to own a reference to next->hv */ |
1868 | ECB_INLINE void |
1945 | ecb_inline void |
1869 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1946 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1870 | { |
1947 | { |
1871 | SV *prev_sv = SvRV (coro_current); |
1948 | SV *prev_sv = SvRV (coro_current); |
1872 | |
1949 | |
1873 | ta->prev = SvSTATE_hv (prev_sv); |
1950 | ta->prev = SvSTATE_hv (prev_sv); |
… | |
… | |
1907 | /* nothing to schedule: call the idle handler */ |
1984 | /* nothing to schedule: call the idle handler */ |
1908 | if (SvROK (sv_idle) |
1985 | if (SvROK (sv_idle) |
1909 | && SvOBJECT (SvRV (sv_idle))) |
1986 | && SvOBJECT (SvRV (sv_idle))) |
1910 | { |
1987 | { |
1911 | if (SvRV (sv_idle) == SvRV (coro_current)) |
1988 | if (SvRV (sv_idle) == SvRV (coro_current)) |
|
|
1989 | { |
|
|
1990 | require_pv ("Carp"); |
|
|
1991 | |
|
|
1992 | { |
|
|
1993 | dSP; |
|
|
1994 | |
|
|
1995 | ENTER; |
|
|
1996 | SAVETMPS; |
|
|
1997 | |
|
|
1998 | PUSHMARK (SP); |
1912 | croak ("FATAL: $Coro::IDLE blocked itself - did you try to block inside an event loop callback? Caught"); |
1999 | XPUSHs (sv_2mortal (newSVpv ("FATAL: $Coro::idle blocked itself - did you try to block inside an event loop callback? Caught", 0))); |
|
|
2000 | PUTBACK; |
|
|
2001 | call_pv ("Carp::confess", G_VOID | G_DISCARD); |
|
|
2002 | |
|
|
2003 | FREETMPS; |
|
|
2004 | LEAVE; |
|
|
2005 | } |
|
|
2006 | } |
1913 | |
2007 | |
1914 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
2008 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
1915 | api_ready (aTHX_ SvRV (sv_idle)); |
2009 | api_ready (aTHX_ SvRV (sv_idle)); |
1916 | --coro_nready; |
2010 | --coro_nready; |
1917 | } |
2011 | } |
… | |
… | |
1932 | } |
2026 | } |
1933 | } |
2027 | } |
1934 | } |
2028 | } |
1935 | } |
2029 | } |
1936 | |
2030 | |
1937 | ECB_INLINE void |
2031 | ecb_inline void |
1938 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
2032 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1939 | { |
2033 | { |
1940 | api_ready (aTHX_ coro_current); |
2034 | api_ready (aTHX_ coro_current); |
1941 | prepare_schedule (aTHX_ ta); |
2035 | prepare_schedule (aTHX_ ta); |
1942 | } |
2036 | } |
1943 | |
2037 | |
1944 | ECB_INLINE void |
2038 | ecb_inline void |
1945 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
2039 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
1946 | { |
2040 | { |
1947 | SV *prev = SvRV (coro_current); |
2041 | SV *prev = SvRV (coro_current); |
1948 | |
2042 | |
1949 | if (coro_nready) |
2043 | if (coro_nready) |
… | |
… | |
2114 | { |
2208 | { |
2115 | AV *od = coro->on_destroy; |
2209 | AV *od = coro->on_destroy; |
2116 | |
2210 | |
2117 | if (!od) |
2211 | if (!od) |
2118 | return; |
2212 | return; |
|
|
2213 | |
|
|
2214 | coro->on_destroy = 0; |
|
|
2215 | sv_2mortal ((SV *)od); |
2119 | |
2216 | |
2120 | while (AvFILLp (od) >= 0) |
2217 | while (AvFILLp (od) >= 0) |
2121 | { |
2218 | { |
2122 | SV *cb = sv_2mortal (av_pop (od)); |
2219 | SV *cb = sv_2mortal (av_pop (od)); |
2123 | |
2220 | |
… | |
… | |
2144 | |
2241 | |
2145 | static void |
2242 | static void |
2146 | coro_set_status (pTHX_ struct coro *coro, SV **arg, int items) |
2243 | coro_set_status (pTHX_ struct coro *coro, SV **arg, int items) |
2147 | { |
2244 | { |
2148 | AV *av; |
2245 | AV *av; |
2149 | |
2246 | |
2150 | if (coro->status) |
2247 | if (coro->status) |
2151 | { |
2248 | { |
2152 | av = coro->status; |
2249 | av = coro->status; |
2153 | av_clear (av); |
2250 | av_clear (av); |
2154 | } |
2251 | } |
… | |
… | |
2201 | |
2298 | |
2202 | coro = SvSTATE (arg [0]); |
2299 | coro = SvSTATE (arg [0]); |
2203 | coro_hv = coro->hv; |
2300 | coro_hv = coro->hv; |
2204 | |
2301 | |
2205 | coro_set_status (aTHX_ coro, arg + 1, items - 1); |
2302 | coro_set_status (aTHX_ coro, arg + 1, items - 1); |
2206 | |
2303 | |
2207 | if (ecb_expect_false (coro->flags & CF_NOCANCEL)) |
2304 | if (ecb_expect_false (coro->flags & CF_NOCANCEL)) |
2208 | { |
2305 | { |
2209 | /* coro currently busy cancelling something, so just notify it */ |
2306 | /* coro currently busy cancelling something, so just notify it */ |
2210 | coro->slf_frame.data = (void *)coro; |
2307 | coro->slf_frame.data = (void *)coro; |
2211 | |
2308 | |
… | |
… | |
2218 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
2315 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
2219 | } |
2316 | } |
2220 | else |
2317 | else |
2221 | { |
2318 | { |
2222 | struct coro *self = SvSTATE_current; |
2319 | struct coro *self = SvSTATE_current; |
|
|
2320 | |
|
|
2321 | if (!self) |
|
|
2322 | croak ("Coro::cancel called outside of thread content,"); |
2223 | |
2323 | |
2224 | /* otherwise we cancel directly, purely for speed reasons |
2324 | /* otherwise we cancel directly, purely for speed reasons |
2225 | * unfortunately, this requires some magic trickery, as |
2325 | * unfortunately, this requires some magic trickery, as |
2226 | * somebody else could cancel us, so we have to fight the cancellation. |
2326 | * somebody else could cancel us, so we have to fight the cancellation. |
2227 | * this is ugly, and hopefully fully worth the extra speed. |
2327 | * this is ugly, and hopefully fully worth the extra speed. |
… | |
… | |
2337 | else |
2437 | else |
2338 | { |
2438 | { |
2339 | av_clear (GvAV (PL_defgv)); |
2439 | av_clear (GvAV (PL_defgv)); |
2340 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
2440 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
2341 | |
2441 | |
|
|
2442 | if (ecb_expect_false (coro->swap_sv)) |
|
|
2443 | { |
|
|
2444 | SWAP_SVS_LEAVE (coro); |
|
|
2445 | SvREFCNT_dec_NN (coro->swap_sv); |
|
|
2446 | coro->swap_sv = 0; |
|
|
2447 | } |
|
|
2448 | |
2342 | coro->prio = 0; |
2449 | coro->prio = 0; |
2343 | |
2450 | |
2344 | if (coro->cctx && (coro->cctx->flags & CC_TRACE)) |
2451 | if (ecb_expect_false (coro->cctx) && ecb_expect_false (coro->cctx->flags & CC_TRACE)) |
2345 | api_trace (aTHX_ coro_current, 0); |
2452 | api_trace (aTHX_ coro_current, 0); |
2346 | |
2453 | |
2347 | frame->prepare = prepare_schedule; |
2454 | frame->prepare = prepare_schedule; |
2348 | av_push (av_async_pool, SvREFCNT_inc (hv)); |
2455 | av_push (av_async_pool, SvREFCNT_inc (hv)); |
2349 | } |
2456 | } |
… | |
… | |
2390 | |
2497 | |
2391 | static int |
2498 | static int |
2392 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
2499 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
2393 | { |
2500 | { |
2394 | SV *data = (SV *)frame->data; |
2501 | SV *data = (SV *)frame->data; |
2395 | |
2502 | |
2396 | if (CORO_THROW) |
2503 | if (CORO_THROW) |
2397 | return 0; |
2504 | return 0; |
2398 | |
2505 | |
2399 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2506 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2400 | return 1; |
2507 | return 1; |
… | |
… | |
2436 | cb = sv_2mortal (coro->rouse_cb); |
2543 | cb = sv_2mortal (coro->rouse_cb); |
2437 | coro->rouse_cb = 0; |
2544 | coro->rouse_cb = 0; |
2438 | } |
2545 | } |
2439 | |
2546 | |
2440 | if (!SvROK (cb) |
2547 | if (!SvROK (cb) |
2441 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2548 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2442 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2549 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2443 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2550 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2444 | |
2551 | |
2445 | { |
2552 | { |
2446 | CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ |
2553 | CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ |
… | |
… | |
2569 | |
2676 | |
2570 | /* "undo"/cancel a running slf call - used when cancelling a coro, mainly */ |
2677 | /* "undo"/cancel a running slf call - used when cancelling a coro, mainly */ |
2571 | static void |
2678 | static void |
2572 | slf_destroy (pTHX_ struct coro *coro) |
2679 | slf_destroy (pTHX_ struct coro *coro) |
2573 | { |
2680 | { |
2574 | /* this callback is reserved for slf functions needing to do cleanup */ |
2681 | struct CoroSLF frame = coro->slf_frame; |
2575 | if (coro->slf_frame.destroy && coro->slf_frame.prepare && !PL_dirty) |
|
|
2576 | coro->slf_frame.destroy (aTHX_ &coro->slf_frame); |
|
|
2577 | |
2682 | |
2578 | /* |
2683 | /* |
2579 | * The on_destroy above most likely is from an SLF call. |
2684 | * The on_destroy below most likely is from an SLF call. |
2580 | * Since by definition the SLF call will not finish when we destroy |
2685 | * Since by definition the SLF call will not finish when we destroy |
2581 | * the coro, we will have to force-finish it here, otherwise |
2686 | * the coro, we will have to force-finish it here, otherwise |
2582 | * cleanup functions cannot call SLF functions. |
2687 | * cleanup functions cannot call SLF functions. |
2583 | */ |
2688 | */ |
2584 | coro->slf_frame.prepare = 0; |
2689 | coro->slf_frame.prepare = 0; |
|
|
2690 | |
|
|
2691 | /* this callback is reserved for slf functions needing to do cleanup */ |
|
|
2692 | if (frame.destroy && frame.prepare && !PL_dirty) |
|
|
2693 | frame.destroy (aTHX_ &frame); |
2585 | } |
2694 | } |
2586 | |
2695 | |
2587 | /* |
2696 | /* |
2588 | * these not obviously related functions are all rolled into one |
2697 | * these not obviously related functions are all rolled into one |
2589 | * function to increase chances that they all will call transfer with the same |
2698 | * function to increase chances that they all will call transfer with the same |
… | |
… | |
2772 | static void |
2881 | static void |
2773 | coro_pop_on_leave (pTHX_ void *coro) |
2882 | coro_pop_on_leave (pTHX_ void *coro) |
2774 | { |
2883 | { |
2775 | SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_leave); |
2884 | SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_leave); |
2776 | on_enterleave_call (aTHX_ sv_2mortal (cb)); |
2885 | on_enterleave_call (aTHX_ sv_2mortal (cb)); |
|
|
2886 | } |
|
|
2887 | |
|
|
2888 | static void |
|
|
2889 | enterleave_hook_xs (pTHX_ struct coro *coro, AV **avp, coro_enterleave_hook hook, void *arg) |
|
|
2890 | { |
|
|
2891 | if (!hook) |
|
|
2892 | return; |
|
|
2893 | |
|
|
2894 | if (!*avp) |
|
|
2895 | { |
|
|
2896 | *avp = newAV (); |
|
|
2897 | AvREAL_off (*avp); |
|
|
2898 | } |
|
|
2899 | |
|
|
2900 | av_push (*avp, (SV *)hook); |
|
|
2901 | av_push (*avp, (SV *)arg); |
|
|
2902 | } |
|
|
2903 | |
|
|
2904 | static void |
|
|
2905 | enterleave_unhook_xs (pTHX_ struct coro *coro, AV **avp, coro_enterleave_hook hook, int execute) |
|
|
2906 | { |
|
|
2907 | AV *av = *avp; |
|
|
2908 | int i; |
|
|
2909 | |
|
|
2910 | if (!av) |
|
|
2911 | return; |
|
|
2912 | |
|
|
2913 | for (i = AvFILLp (av) - 1; i >= 0; i -= 2) |
|
|
2914 | if (AvARRAY (av)[i] == (SV *)hook) |
|
|
2915 | { |
|
|
2916 | if (execute) |
|
|
2917 | hook (aTHX_ (void *)AvARRAY (av)[i + 1]); |
|
|
2918 | |
|
|
2919 | memmove (AvARRAY (av) + i, AvARRAY (av) + i + 2, AvFILLp (av) - i - 1); |
|
|
2920 | av_pop (av); |
|
|
2921 | av_pop (av); |
|
|
2922 | break; |
|
|
2923 | } |
|
|
2924 | |
|
|
2925 | if (AvFILLp (av) >= 0) |
|
|
2926 | { |
|
|
2927 | *avp = 0; |
|
|
2928 | SvREFCNT_dec_NN (av); |
|
|
2929 | } |
|
|
2930 | } |
|
|
2931 | |
|
|
2932 | static void |
|
|
2933 | api_enterleave_hook (pTHX_ SV *coro_sv, coro_enterleave_hook enter, void *enter_arg, coro_enterleave_hook leave, void *leave_arg) |
|
|
2934 | { |
|
|
2935 | struct coro *coro = SvSTATE (coro_sv); |
|
|
2936 | |
|
|
2937 | if (SvSTATE_current == coro) |
|
|
2938 | if (enter) |
|
|
2939 | enter (aTHX_ enter_arg); |
|
|
2940 | |
|
|
2941 | enterleave_hook_xs (aTHX_ coro, &coro->on_enter_xs, enter, enter_arg); |
|
|
2942 | enterleave_hook_xs (aTHX_ coro, &coro->on_leave_xs, leave, leave_arg); |
|
|
2943 | } |
|
|
2944 | |
|
|
2945 | static void |
|
|
2946 | api_enterleave_unhook (pTHX_ SV *coro_sv, coro_enterleave_hook enter, coro_enterleave_hook leave) |
|
|
2947 | { |
|
|
2948 | struct coro *coro = SvSTATE (coro_sv); |
|
|
2949 | |
|
|
2950 | enterleave_unhook_xs (aTHX_ coro, &coro->on_enter_xs, enter, 0); |
|
|
2951 | enterleave_unhook_xs (aTHX_ coro, &coro->on_leave_xs, leave, SvSTATE_current == coro); |
|
|
2952 | } |
|
|
2953 | |
|
|
2954 | static void |
|
|
2955 | savedestructor_unhook_enter (pTHX_ coro_enterleave_hook enter) |
|
|
2956 | { |
|
|
2957 | struct coro *coro = SvSTATE_current; |
|
|
2958 | |
|
|
2959 | enterleave_unhook_xs (aTHX_ coro, &coro->on_enter_xs, enter, 0); |
|
|
2960 | } |
|
|
2961 | |
|
|
2962 | static void |
|
|
2963 | savedestructor_unhook_leave (pTHX_ coro_enterleave_hook leave) |
|
|
2964 | { |
|
|
2965 | struct coro *coro = SvSTATE_current; |
|
|
2966 | |
|
|
2967 | enterleave_unhook_xs (aTHX_ coro, &coro->on_leave_xs, leave, 1); |
|
|
2968 | } |
|
|
2969 | |
|
|
2970 | static void |
|
|
2971 | api_enterleave_scope_hook (pTHX_ coro_enterleave_hook enter, void *enter_arg, coro_enterleave_hook leave, void *leave_arg) |
|
|
2972 | { |
|
|
2973 | api_enterleave_hook (aTHX_ coro_current, enter, enter_arg, leave, leave_arg); |
|
|
2974 | |
|
|
2975 | /* this ought to be much cheaper than malloc + a single destructor call */ |
|
|
2976 | if (enter) SAVEDESTRUCTOR_X (savedestructor_unhook_enter, enter); |
|
|
2977 | if (leave) SAVEDESTRUCTOR_X (savedestructor_unhook_leave, leave); |
2777 | } |
2978 | } |
2778 | |
2979 | |
2779 | /*****************************************************************************/ |
2980 | /*****************************************************************************/ |
2780 | /* PerlIO::cede */ |
2981 | /* PerlIO::cede */ |
2781 | |
2982 | |
… | |
… | |
2911 | XPUSHs (sv_2mortal (newRV_inc ((SV *)av))); |
3112 | XPUSHs (sv_2mortal (newRV_inc ((SV *)av))); |
2912 | PUTBACK; |
3113 | PUTBACK; |
2913 | call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR); |
3114 | call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR); |
2914 | } |
3115 | } |
2915 | |
3116 | |
2916 | SvREFCNT_dec (cb); |
3117 | SvREFCNT_dec_NN (cb); |
2917 | } |
3118 | } |
2918 | } |
3119 | } |
2919 | |
3120 | |
2920 | static void |
3121 | static void |
2921 | coro_semaphore_destroy (pTHX_ struct CoroSLF *frame) |
3122 | coro_semaphore_destroy (pTHX_ struct CoroSLF *frame) |
… | |
… | |
2929 | { |
3130 | { |
2930 | AV *av = (AV *)frame->data; |
3131 | AV *av = (AV *)frame->data; |
2931 | SV *count_sv = AvARRAY (av)[0]; |
3132 | SV *count_sv = AvARRAY (av)[0]; |
2932 | SV *coro_hv = SvRV (coro_current); |
3133 | SV *coro_hv = SvRV (coro_current); |
2933 | |
3134 | |
|
|
3135 | frame->destroy = 0; |
|
|
3136 | |
2934 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
3137 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2935 | if (CORO_THROW) |
3138 | if (ecb_expect_false (CORO_THROW)) |
|
|
3139 | { |
|
|
3140 | /* we still might be responsible for the semaphore, so wake up others */ |
|
|
3141 | coro_semaphore_adjust (aTHX_ av, 0); |
|
|
3142 | |
2936 | return 0; |
3143 | return 0; |
|
|
3144 | } |
2937 | else if (SvIVX (count_sv) > 0) |
3145 | else if (SvIVX (count_sv) > 0) |
2938 | { |
3146 | { |
2939 | frame->destroy = 0; |
|
|
2940 | |
|
|
2941 | if (acquire) |
3147 | if (acquire) |
2942 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
3148 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2943 | else |
3149 | else |
2944 | coro_semaphore_adjust (aTHX_ av, 0); |
3150 | coro_semaphore_adjust (aTHX_ av, 0); |
2945 | |
3151 | |
… | |
… | |
2949 | { |
3155 | { |
2950 | int i; |
3156 | int i; |
2951 | /* if we were woken up but can't down, we look through the whole */ |
3157 | /* if we were woken up but can't down, we look through the whole */ |
2952 | /* waiters list and only add us if we aren't in there already */ |
3158 | /* waiters list and only add us if we aren't in there already */ |
2953 | /* this avoids some degenerate memory usage cases */ |
3159 | /* this avoids some degenerate memory usage cases */ |
2954 | for (i = AvFILLp (av); i > 0; --i) // i > 0 is not an off-by-one bug |
3160 | for (i = AvFILLp (av); i > 0; --i) /* i > 0 is not an off-by-one bug */ |
2955 | if (AvARRAY (av)[i] == coro_hv) |
3161 | if (AvARRAY (av)[i] == coro_hv) |
2956 | return 1; |
3162 | return 1; |
2957 | |
3163 | |
2958 | av_push (av, SvREFCNT_inc (coro_hv)); |
3164 | av_push (av, SvREFCNT_inc (coro_hv)); |
2959 | return 1; |
3165 | return 1; |
… | |
… | |
3056 | { |
3262 | { |
3057 | api_ready (aTHX_ cb); |
3263 | api_ready (aTHX_ cb); |
3058 | sv_setiv (cb, 0); /* signal waiter */ |
3264 | sv_setiv (cb, 0); /* signal waiter */ |
3059 | } |
3265 | } |
3060 | |
3266 | |
3061 | SvREFCNT_dec (cb); |
3267 | SvREFCNT_dec_NN (cb); |
3062 | |
3268 | |
3063 | --count; |
3269 | --count; |
3064 | } |
3270 | } |
3065 | } |
3271 | } |
3066 | |
3272 | |
… | |
… | |
3151 | } |
3357 | } |
3152 | |
3358 | |
3153 | av_push (state, data_sv); |
3359 | av_push (state, data_sv); |
3154 | |
3360 | |
3155 | api_ready (aTHX_ coro); |
3361 | api_ready (aTHX_ coro); |
3156 | SvREFCNT_dec (coro); |
3362 | SvREFCNT_dec_NN (coro); |
3157 | SvREFCNT_dec ((AV *)state); |
3363 | SvREFCNT_dec_NN ((AV *)state); |
3158 | } |
3364 | } |
3159 | |
3365 | |
3160 | static int |
3366 | static int |
3161 | slf_check_aio_req (pTHX_ struct CoroSLF *frame) |
3367 | slf_check_aio_req (pTHX_ struct CoroSLF *frame) |
3162 | { |
3368 | { |
… | |
… | |
3167 | /* it quickly returns */ |
3373 | /* it quickly returns */ |
3168 | if (CORO_THROW) |
3374 | if (CORO_THROW) |
3169 | return 0; |
3375 | return 0; |
3170 | |
3376 | |
3171 | /* one element that is an RV? repeat! */ |
3377 | /* one element that is an RV? repeat! */ |
3172 | if (AvFILLp (state) == 0 && SvROK (AvARRAY (state)[0])) |
3378 | if (AvFILLp (state) == 0 && SvTYPE (AvARRAY (state)[0]) != SVt_PV) |
3173 | return 1; |
3379 | return 1; |
3174 | |
3380 | |
3175 | /* restore status */ |
3381 | /* restore status */ |
3176 | { |
3382 | { |
3177 | SV *data_sv = av_pop (state); |
3383 | SV *data_sv = av_pop (state); |
… | |
… | |
3180 | errno = data->errorno; |
3386 | errno = data->errorno; |
3181 | PL_laststype = data->laststype; |
3387 | PL_laststype = data->laststype; |
3182 | PL_laststatval = data->laststatval; |
3388 | PL_laststatval = data->laststatval; |
3183 | PL_statcache = data->statcache; |
3389 | PL_statcache = data->statcache; |
3184 | |
3390 | |
3185 | SvREFCNT_dec (data_sv); |
3391 | SvREFCNT_dec_NN (data_sv); |
3186 | } |
3392 | } |
3187 | |
3393 | |
3188 | /* push result values */ |
3394 | /* push result values */ |
3189 | { |
3395 | { |
3190 | dSP; |
3396 | dSP; |
… | |
… | |
3339 | #endif |
3545 | #endif |
3340 | |
3546 | |
3341 | #if CORO_JIT |
3547 | #if CORO_JIT |
3342 | |
3548 | |
3343 | static void ecb_noinline ecb_cold |
3549 | static void ecb_noinline ecb_cold |
3344 | pushav_3uv (pTHX_ UV a, UV b, UV c) |
3550 | pushav_4uv (pTHX_ UV a, UV b, UV c, UV d) |
3345 | { |
3551 | { |
3346 | dSP; |
3552 | dSP; |
3347 | AV *av = newAV (); |
3553 | AV *av = newAV (); |
3348 | |
3554 | |
|
|
3555 | av_store (av, 3, newSVuv (d)); |
3349 | av_store (av, 2, newSVuv (c)); |
3556 | av_store (av, 2, newSVuv (c)); |
3350 | av_store (av, 1, newSVuv (b)); |
3557 | av_store (av, 1, newSVuv (b)); |
3351 | av_store (av, 0, newSVuv (a)); |
3558 | av_store (av, 0, newSVuv (a)); |
3352 | |
3559 | |
3353 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
3560 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
… | |
… | |
3360 | { |
3567 | { |
3361 | dSP; |
3568 | dSP; |
3362 | SV *load, *save; |
3569 | SV *load, *save; |
3363 | char *map_base; |
3570 | char *map_base; |
3364 | char *load_ptr, *save_ptr; |
3571 | char *load_ptr, *save_ptr; |
3365 | STRLEN load_len, save_len; |
3572 | STRLEN load_len, save_len, map_len; |
3366 | int count; |
3573 | int count; |
3367 | |
3574 | |
|
|
3575 | eval_pv ("require 'Coro/jit-" CORO_JIT_TYPE ".pl'", 1); |
|
|
3576 | |
3368 | PUSHMARK (SP); |
3577 | PUSHMARK (SP); |
3369 | PUTBACK; |
|
|
3370 | #define VARx(name,expr,type) pushav_3uv (aTHX_ (UV)&(expr), offsetof (perl_slots, name), sizeof (type)); |
3578 | #define VARx(name,expr,type) pushav_4uv (aTHX_ (UV)&(expr), sizeof (expr), offsetof (perl_slots, name), sizeof (type)); |
3371 | # include "state.h" |
3579 | #include "state.h" |
3372 | #undef VARx |
|
|
3373 | count = call_pv ("Coro::State::_jit", G_ARRAY); |
3580 | count = call_pv ("Coro::State::_jit", G_ARRAY); |
3374 | SPAGAIN; |
3581 | SPAGAIN; |
3375 | |
3582 | |
3376 | save = POPs; save_ptr = SvPVbyte (save, save_len); |
3583 | save = POPs; save_ptr = SvPVbyte (save, save_len); |
3377 | load = POPs; load_ptr = SvPVbyte (load, load_len); |
3584 | load = POPs; load_ptr = SvPVbyte (load, load_len); |
3378 | |
3585 | |
|
|
3586 | map_len = load_len + save_len + 16; |
|
|
3587 | |
|
|
3588 | map_base = mmap (0, map_len, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); |
|
|
3589 | |
|
|
3590 | if (map_base == (char *)MAP_FAILED) |
3379 | map_base = mmap (0, load_len + save_len + 16, PROT_EXEC | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); |
3591 | map_base = mmap (0, map_len, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); |
3380 | |
3592 | |
3381 | assert (("Coro: unable mmap jit code page, cannot continue.", map_base != (char *)MAP_FAILED)); |
3593 | assert (("Coro: unable to mmap jit code page, cannot continue.", map_base != (char *)MAP_FAILED)); |
3382 | |
3594 | |
3383 | load_perl_slots = (load_save_perl_slots_type)map_base; |
3595 | load_perl_slots = (load_save_perl_slots_type)map_base; |
3384 | memcpy (map_base, load_ptr, load_len); |
3596 | memcpy (map_base, load_ptr, load_len); |
3385 | |
3597 | |
3386 | map_base += (load_len + 15) & ~15; |
3598 | map_base += (load_len + 15) & ~15; |
3387 | |
3599 | |
3388 | save_perl_slots = (load_save_perl_slots_type)map_base; |
3600 | save_perl_slots = (load_save_perl_slots_type)map_base; |
3389 | memcpy (map_base, save_ptr, save_len); |
3601 | memcpy (map_base, save_ptr, save_len); |
|
|
3602 | |
|
|
3603 | /* we are good citizens and try to make the page read-only, so the evil evil */ |
|
|
3604 | /* hackers might have it a bit more difficult */ |
|
|
3605 | mprotect (map_base, map_len, PROT_READ | PROT_EXEC); |
|
|
3606 | |
|
|
3607 | PUTBACK; |
|
|
3608 | eval_pv ("undef &Coro::State::_jit", 1); |
3390 | } |
3609 | } |
3391 | |
3610 | |
3392 | #endif |
3611 | #endif |
3393 | |
3612 | |
3394 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
3613 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
3395 | |
3614 | |
3396 | PROTOTYPES: DISABLE |
3615 | PROTOTYPES: DISABLE |
3397 | |
3616 | |
3398 | BOOT: |
3617 | BOOT: |
3399 | { |
3618 | { |
|
|
3619 | #define VARx(name,expr,type) if (sizeof (type) < sizeof (expr)) croak ("FATAL: Coro thread context slot '" # name "' too small for this version of perl."); |
|
|
3620 | #include "state.h" |
3400 | #ifdef USE_ITHREADS |
3621 | #ifdef USE_ITHREADS |
3401 | # if CORO_PTHREAD |
3622 | # if CORO_PTHREAD |
3402 | coro_thx = PERL_GET_CONTEXT; |
3623 | coro_thx = PERL_GET_CONTEXT; |
3403 | # endif |
3624 | # endif |
3404 | #endif |
3625 | #endif |
3405 | BOOT_PAGESIZE; |
|
|
3406 | |
|
|
3407 | /* perl defines these to check for existance first, but why it doesn't */ |
3626 | /* perl defines these to check for existance first, but why it doesn't */ |
3408 | /* just create them one at init time is not clear to me, except for */ |
3627 | /* just create them one at init time is not clear to me, except for */ |
3409 | /* programs trying to delete them, but... */ |
3628 | /* programs trying to delete them, but... */ |
3410 | /* anyway, we declare this as invalid and make sure they are initialised here */ |
3629 | /* anyway, we declare this as invalid and make sure they are initialised here */ |
3411 | DEFSV; |
3630 | DEFSV; |
… | |
… | |
3414 | cctx_current = cctx_new_empty (); |
3633 | cctx_current = cctx_new_empty (); |
3415 | |
3634 | |
3416 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3635 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3417 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3636 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3418 | |
3637 | |
3419 | orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get; |
3638 | { |
3420 | orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set; |
3639 | /* |
3421 | orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr; |
3640 | * we provide a vtbvl for %SIG magic that replaces PL_vtbl_sig |
|
|
3641 | * by coro_sig_vtbl in hash values. |
|
|
3642 | */ |
|
|
3643 | MAGIC *mg = mg_find ((SV *)GvHV (gv_fetchpv ("SIG", GV_ADD | GV_NOTQUAL, SVt_PVHV)), PERL_MAGIC_sig); |
|
|
3644 | |
|
|
3645 | /* this only works if perl doesn't have a vtbl for %SIG */ |
|
|
3646 | assert (!mg->mg_virtual); |
|
|
3647 | |
|
|
3648 | /* |
|
|
3649 | * The irony is that the perl API itself asserts that mg_virtual |
|
|
3650 | * must be non-const, yet perl5porters insisted on marking their |
|
|
3651 | * vtbls as read-only, just to thwart perl modules from patching |
|
|
3652 | * them. |
|
|
3653 | */ |
|
|
3654 | mg->mg_virtual = (MGVTBL *)&coro_sig_vtbl; |
|
|
3655 | mg->mg_flags |= MGf_COPY; |
|
|
3656 | |
|
|
3657 | coro_sigelem_vtbl = PL_vtbl_sigelem; |
|
|
3658 | coro_sigelem_vtbl.svt_get = coro_sigelem_get; |
|
|
3659 | coro_sigelem_vtbl.svt_set = coro_sigelem_set; |
|
|
3660 | coro_sigelem_vtbl.svt_clear = coro_sigelem_clr; |
|
|
3661 | } |
3422 | |
3662 | |
3423 | hv_sig = coro_get_hv (aTHX_ "SIG", TRUE); |
|
|
3424 | rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV)); |
3663 | rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV)); |
3425 | rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV)); |
3664 | rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV)); |
3426 | |
3665 | |
3427 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
3666 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
3428 | |
3667 | |
… | |
… | |
3462 | time_init (aTHX); |
3701 | time_init (aTHX); |
3463 | |
3702 | |
3464 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
3703 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
3465 | #if CORO_JIT |
3704 | #if CORO_JIT |
3466 | PUTBACK; |
3705 | PUTBACK; |
3467 | require_pv ("Coro/jit-" CORO_JIT_TYPE ".pl"); |
|
|
3468 | jit_init (aTHX); |
3706 | jit_init (aTHX); |
3469 | perl_eval_pv ("undef &Coro::State::_jit", 1); |
|
|
3470 | SPAGAIN; |
3707 | SPAGAIN; |
3471 | #endif |
3708 | #endif |
3472 | } |
3709 | } |
3473 | |
3710 | |
3474 | SV * |
3711 | SV * |
… | |
… | |
3483 | void |
3720 | void |
3484 | transfer (...) |
3721 | transfer (...) |
3485 | PROTOTYPE: $$ |
3722 | PROTOTYPE: $$ |
3486 | CODE: |
3723 | CODE: |
3487 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3724 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3488 | |
|
|
3489 | void |
|
|
3490 | _exit (int code) |
|
|
3491 | PROTOTYPE: $ |
|
|
3492 | CODE: |
|
|
3493 | _exit (code); |
|
|
3494 | |
3725 | |
3495 | SV * |
3726 | SV * |
3496 | clone (Coro::State coro) |
3727 | clone (Coro::State coro) |
3497 | CODE: |
3728 | CODE: |
3498 | { |
3729 | { |
… | |
… | |
3553 | void |
3784 | void |
3554 | list () |
3785 | list () |
3555 | PROTOTYPE: |
3786 | PROTOTYPE: |
3556 | PPCODE: |
3787 | PPCODE: |
3557 | { |
3788 | { |
3558 | struct coro *coro; |
3789 | struct coro *coro; |
3559 | for (coro = coro_first; coro; coro = coro->next) |
3790 | for (coro = coro_first; coro; coro = coro->next) |
3560 | if (coro->hv) |
3791 | if (coro->hv) |
3561 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
3792 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
3562 | } |
3793 | } |
3563 | |
3794 | |
… | |
… | |
3627 | RETVAL = boolSV (coro->flags & ix); |
3858 | RETVAL = boolSV (coro->flags & ix); |
3628 | OUTPUT: |
3859 | OUTPUT: |
3629 | RETVAL |
3860 | RETVAL |
3630 | |
3861 | |
3631 | void |
3862 | void |
3632 | throw (Coro::State self, SV *exception = &PL_sv_undef) |
3863 | throw (SV *self, SV *exception = &PL_sv_undef) |
3633 | PROTOTYPE: $;$ |
3864 | PROTOTYPE: $;$ |
3634 | CODE: |
3865 | CODE: |
3635 | { |
3866 | { |
|
|
3867 | struct coro *coro = SvSTATE (self); |
3636 | struct coro *current = SvSTATE_current; |
3868 | struct coro *current = SvSTATE_current; |
3637 | SV **exceptionp = self == current ? &CORO_THROW : &self->except; |
3869 | SV **exceptionp = coro == current ? &CORO_THROW : &coro->except; |
3638 | SvREFCNT_dec (*exceptionp); |
3870 | SvREFCNT_dec (*exceptionp); |
3639 | SvGETMAGIC (exception); |
3871 | SvGETMAGIC (exception); |
3640 | *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; |
3872 | *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; |
|
|
3873 | |
|
|
3874 | api_ready (aTHX_ self); |
3641 | } |
3875 | } |
3642 | |
3876 | |
3643 | void |
3877 | void |
3644 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3878 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3645 | PROTOTYPE: $;$ |
3879 | PROTOTYPE: $;$ |
… | |
… | |
3722 | |
3956 | |
3723 | void |
3957 | void |
3724 | times (Coro::State self) |
3958 | times (Coro::State self) |
3725 | PPCODE: |
3959 | PPCODE: |
3726 | { |
3960 | { |
3727 | struct coro *current = SvSTATE (coro_current); |
3961 | struct coro *current = SvSTATE (coro_current); |
3728 | |
3962 | |
3729 | if (ecb_expect_false (current == self)) |
3963 | if (ecb_expect_false (current == self)) |
3730 | { |
3964 | { |
3731 | coro_times_update (); |
3965 | coro_times_update (); |
3732 | coro_times_add (SvSTATE (coro_current)); |
3966 | coro_times_add (SvSTATE (coro_current)); |
… | |
… | |
3739 | if (ecb_expect_false (current == self)) |
3973 | if (ecb_expect_false (current == self)) |
3740 | coro_times_sub (SvSTATE (coro_current)); |
3974 | coro_times_sub (SvSTATE (coro_current)); |
3741 | } |
3975 | } |
3742 | |
3976 | |
3743 | void |
3977 | void |
3744 | swap_sv (Coro::State coro, SV *sv, SV *swapsv) |
3978 | swap_sv (Coro::State coro, SV *sva, SV *svb) |
3745 | CODE: |
3979 | CODE: |
3746 | { |
3980 | { |
3747 | struct coro *current = SvSTATE_current; |
3981 | struct coro *current = SvSTATE_current; |
|
|
3982 | AV *swap_sv; |
|
|
3983 | int i; |
|
|
3984 | |
|
|
3985 | sva = SvRV (sva); |
|
|
3986 | svb = SvRV (svb); |
3748 | |
3987 | |
3749 | if (current == coro) |
3988 | if (current == coro) |
3750 | SWAP_SVS (current); |
3989 | SWAP_SVS_LEAVE (current); |
3751 | |
3990 | |
3752 | if (!coro->swap_sv) |
3991 | if (!coro->swap_sv) |
3753 | coro->swap_sv = newAV (); |
3992 | coro->swap_sv = newAV (); |
3754 | |
3993 | |
|
|
3994 | swap_sv = coro->swap_sv; |
|
|
3995 | |
|
|
3996 | for (i = AvFILLp (swap_sv) - 1; i >= 0; i -= 2) |
|
|
3997 | { |
|
|
3998 | SV *a = AvARRAY (swap_sv)[i ]; |
|
|
3999 | SV *b = AvARRAY (swap_sv)[i + 1]; |
|
|
4000 | |
|
|
4001 | if (a == sva && b == svb) |
|
|
4002 | { |
|
|
4003 | SvREFCNT_dec_NN (a); |
|
|
4004 | SvREFCNT_dec_NN (b); |
|
|
4005 | |
|
|
4006 | for (; i <= AvFILLp (swap_sv) - 2; i++) |
|
|
4007 | AvARRAY (swap_sv)[i] = AvARRAY (swap_sv)[i + 2]; |
|
|
4008 | |
|
|
4009 | AvFILLp (swap_sv) -= 2; |
|
|
4010 | |
|
|
4011 | goto removed; |
|
|
4012 | } |
|
|
4013 | } |
|
|
4014 | |
3755 | av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (sv ))); |
4015 | av_push (swap_sv, SvREFCNT_inc_NN (sva)); |
3756 | av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (swapsv))); |
4016 | av_push (swap_sv, SvREFCNT_inc_NN (svb)); |
|
|
4017 | |
|
|
4018 | removed: |
3757 | |
4019 | |
3758 | if (current == coro) |
4020 | if (current == coro) |
3759 | SWAP_SVS (current); |
4021 | SWAP_SVS_ENTER (current); |
3760 | } |
4022 | } |
3761 | |
4023 | |
3762 | |
4024 | |
3763 | MODULE = Coro::State PACKAGE = Coro |
4025 | MODULE = Coro::State PACKAGE = Coro |
3764 | |
4026 | |
3765 | BOOT: |
4027 | BOOT: |
3766 | { |
4028 | { |
|
|
4029 | if (SVt_LAST > 32) |
|
|
4030 | croak ("Coro internal error: SVt_LAST > 32, swap_sv might need adjustment"); |
|
|
4031 | |
3767 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
4032 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3768 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
4033 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3769 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
4034 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
3770 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
4035 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
3771 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
4036 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
… | |
… | |
3775 | |
4040 | |
3776 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
4041 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3777 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
4042 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
3778 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
4043 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
3779 | CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */ |
4044 | CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */ |
3780 | |
4045 | |
3781 | coro_stash = gv_stashpv ("Coro", TRUE); |
4046 | coro_stash = gv_stashpv ("Coro", TRUE); |
3782 | |
4047 | |
3783 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
4048 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
3784 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
4049 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
3785 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL)); |
4050 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL)); |
… | |
… | |
3797 | coroapi.ready = api_ready; |
4062 | coroapi.ready = api_ready; |
3798 | coroapi.is_ready = api_is_ready; |
4063 | coroapi.is_ready = api_is_ready; |
3799 | coroapi.nready = coro_nready; |
4064 | coroapi.nready = coro_nready; |
3800 | coroapi.current = coro_current; |
4065 | coroapi.current = coro_current; |
3801 | |
4066 | |
|
|
4067 | coroapi.enterleave_hook = api_enterleave_hook; |
|
|
4068 | coroapi.enterleave_unhook = api_enterleave_unhook; |
|
|
4069 | coroapi.enterleave_scope_hook = api_enterleave_scope_hook; |
|
|
4070 | |
3802 | /*GCoroAPI = &coroapi;*/ |
4071 | /*GCoroAPI = &coroapi;*/ |
3803 | sv_setiv (sv, (IV)&coroapi); |
4072 | sv_setiv (sv, (IV)&coroapi); |
3804 | SvREADONLY_on (sv); |
4073 | SvREADONLY_on (sv); |
3805 | } |
4074 | } |
3806 | } |
4075 | } |
… | |
… | |
3871 | |
4140 | |
3872 | void |
4141 | void |
3873 | _set_current (SV *current) |
4142 | _set_current (SV *current) |
3874 | PROTOTYPE: $ |
4143 | PROTOTYPE: $ |
3875 | CODE: |
4144 | CODE: |
3876 | SvREFCNT_dec (SvRV (coro_current)); |
4145 | SvREFCNT_dec_NN (SvRV (coro_current)); |
3877 | SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current))); |
4146 | SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current))); |
3878 | |
4147 | |
3879 | void |
4148 | void |
3880 | _set_readyhook (SV *hook) |
4149 | _set_readyhook (SV *hook) |
3881 | PROTOTYPE: $ |
4150 | PROTOTYPE: $ |
… | |
… | |
3965 | |
4234 | |
3966 | if ((SV *)hv == &PL_sv_undef) |
4235 | if ((SV *)hv == &PL_sv_undef) |
3967 | { |
4236 | { |
3968 | SV *sv = coro_new (aTHX_ coro_stash, (SV **)&cv_pool_handler, 1, 1); |
4237 | SV *sv = coro_new (aTHX_ coro_stash, (SV **)&cv_pool_handler, 1, 1); |
3969 | hv = (HV *)SvREFCNT_inc_NN (SvRV (sv)); |
4238 | hv = (HV *)SvREFCNT_inc_NN (SvRV (sv)); |
3970 | SvREFCNT_dec (sv); |
4239 | SvREFCNT_dec_NN (sv); |
3971 | } |
4240 | } |
3972 | |
4241 | |
3973 | { |
4242 | { |
3974 | struct coro *coro = SvSTATE_hv (hv); |
4243 | struct coro *coro = SvSTATE_hv (hv); |
3975 | |
4244 | |
… | |
… | |
3982 | api_ready (aTHX_ (SV *)hv); |
4251 | api_ready (aTHX_ (SV *)hv); |
3983 | |
4252 | |
3984 | if (GIMME_V != G_VOID) |
4253 | if (GIMME_V != G_VOID) |
3985 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv))); |
4254 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv))); |
3986 | else |
4255 | else |
3987 | SvREFCNT_dec (hv); |
4256 | SvREFCNT_dec_NN (hv); |
3988 | } |
4257 | } |
3989 | |
4258 | |
3990 | SV * |
4259 | SV * |
3991 | rouse_cb () |
4260 | rouse_cb () |
3992 | PROTOTYPE: |
4261 | PROTOTYPE: |
… | |
… | |
4007 | on_leave = 1 |
4276 | on_leave = 1 |
4008 | PROTOTYPE: & |
4277 | PROTOTYPE: & |
4009 | CODE: |
4278 | CODE: |
4010 | { |
4279 | { |
4011 | struct coro *coro = SvSTATE_current; |
4280 | struct coro *coro = SvSTATE_current; |
4012 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
4281 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
4013 | |
4282 | |
4014 | block = s_get_cv_croak (block); |
4283 | block = s_get_cv_croak (block); |
4015 | |
4284 | |
4016 | if (!*avp) |
4285 | if (!*avp) |
4017 | *avp = newAV (); |
4286 | *avp = newAV (); |
… | |
… | |
4037 | |
4306 | |
4038 | SV * |
4307 | SV * |
4039 | new (SV *klass, SV *count = 0) |
4308 | new (SV *klass, SV *count = 0) |
4040 | CODE: |
4309 | CODE: |
4041 | { |
4310 | { |
4042 | int semcnt = 1; |
4311 | int semcnt = 1; |
4043 | |
4312 | |
4044 | if (count) |
4313 | if (count) |
4045 | { |
4314 | { |
4046 | SvGETMAGIC (count); |
4315 | SvGETMAGIC (count); |
4047 | |
4316 | |
… | |
… | |
4071 | RETVAL = newSVsv (AvARRAY ((AV *)SvRV (self))[0]); |
4340 | RETVAL = newSVsv (AvARRAY ((AV *)SvRV (self))[0]); |
4072 | OUTPUT: |
4341 | OUTPUT: |
4073 | RETVAL |
4342 | RETVAL |
4074 | |
4343 | |
4075 | void |
4344 | void |
4076 | up (SV *self, int adjust = 1) |
4345 | up (SV *self) |
4077 | ALIAS: |
|
|
4078 | adjust = 1 |
|
|
4079 | CODE: |
4346 | CODE: |
|
|
4347 | coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), 1); |
|
|
4348 | |
|
|
4349 | void |
|
|
4350 | adjust (SV *self, int adjust) |
|
|
4351 | CODE: |
4080 | coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), ix ? adjust : 1); |
4352 | coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), adjust); |
4081 | |
4353 | |
4082 | void |
4354 | void |
4083 | down (...) |
4355 | down (...) |
4084 | CODE: |
4356 | CODE: |
4085 | CORO_EXECUTE_SLF_XS (slf_init_semaphore_down); |
4357 | CORO_EXECUTE_SLF_XS (slf_init_semaphore_down); |
… | |
… | |
4107 | XSRETURN_NO; |
4379 | XSRETURN_NO; |
4108 | } |
4380 | } |
4109 | |
4381 | |
4110 | void |
4382 | void |
4111 | waiters (SV *self) |
4383 | waiters (SV *self) |
4112 | PPCODE: |
4384 | PPCODE: |
4113 | { |
4385 | { |
4114 | AV *av = (AV *)SvRV (self); |
4386 | AV *av = (AV *)SvRV (self); |
4115 | int wcount = AvFILLp (av) + 1 - 1; |
4387 | int wcount = AvFILLp (av) + 1 - 1; |
4116 | |
4388 | |
4117 | if (GIMME_V == G_SCALAR) |
4389 | if (GIMME_V == G_SCALAR) |
… | |
… | |
4126 | } |
4398 | } |
4127 | |
4399 | |
4128 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
4400 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
4129 | |
4401 | |
4130 | void |
4402 | void |
4131 | _may_delete (SV *sem, int count, int extra_refs) |
4403 | _may_delete (SV *sem, int count, unsigned int extra_refs) |
4132 | PPCODE: |
4404 | PPCODE: |
4133 | { |
4405 | { |
4134 | AV *av = (AV *)SvRV (sem); |
4406 | AV *av = (AV *)SvRV (sem); |
4135 | |
4407 | |
4136 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
4408 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
4137 | && AvFILLp (av) == 0 /* no waiters, just count */ |
4409 | && AvFILLp (av) == 0 /* no waiters, just count */ |
4138 | && SvIV (AvARRAY (av)[0]) == count) |
4410 | && SvIV (AvARRAY (av)[0]) == count) |
4139 | XSRETURN_YES; |
4411 | XSRETURN_YES; |
… | |
… | |
4160 | |
4432 | |
4161 | void |
4433 | void |
4162 | broadcast (SV *self) |
4434 | broadcast (SV *self) |
4163 | CODE: |
4435 | CODE: |
4164 | { |
4436 | { |
4165 | AV *av = (AV *)SvRV (self); |
4437 | AV *av = (AV *)SvRV (self); |
4166 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
4438 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
4167 | } |
4439 | } |
4168 | |
4440 | |
4169 | void |
4441 | void |
4170 | send (SV *self) |
4442 | send (SV *self) |
… | |
… | |
4178 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
4450 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
4179 | } |
4451 | } |
4180 | |
4452 | |
4181 | IV |
4453 | IV |
4182 | awaited (SV *self) |
4454 | awaited (SV *self) |
4183 | CODE: |
4455 | CODE: |
4184 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
4456 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
4185 | OUTPUT: |
4457 | OUTPUT: |
4186 | RETVAL |
4458 | RETVAL |
4187 | |
4459 | |
4188 | |
4460 | |
… | |
… | |
4193 | |
4465 | |
4194 | void |
4466 | void |
4195 | _schedule (...) |
4467 | _schedule (...) |
4196 | CODE: |
4468 | CODE: |
4197 | { |
4469 | { |
4198 | static int incede; |
4470 | static int incede; |
4199 | |
4471 | |
4200 | api_cede_notself (aTHX); |
4472 | api_cede_notself (aTHX); |
4201 | |
4473 | |
4202 | ++incede; |
4474 | ++incede; |
4203 | while (coro_nready >= incede && api_cede (aTHX)) |
4475 | while (coro_nready >= incede && api_cede (aTHX)) |
… | |
… | |
4247 | { |
4519 | { |
4248 | PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; |
4520 | PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; |
4249 | coro_old_pp_sselect = 0; |
4521 | coro_old_pp_sselect = 0; |
4250 | } |
4522 | } |
4251 | |
4523 | |
|
|
4524 | MODULE = Coro::State PACKAGE = Coro::Util |
|
|
4525 | |
|
|
4526 | void |
|
|
4527 | _exit (int code) |
|
|
4528 | CODE: |
|
|
4529 | _exit (code); |
|
|
4530 | |
|
|
4531 | NV |
|
|
4532 | time () |
|
|
4533 | CODE: |
|
|
4534 | RETVAL = nvtime (aTHX); |
|
|
4535 | OUTPUT: |
|
|
4536 | RETVAL |
|
|
4537 | |
|
|
4538 | NV |
|
|
4539 | gettimeofday () |
|
|
4540 | PPCODE: |
|
|
4541 | { |
|
|
4542 | UV tv [2]; |
|
|
4543 | u2time (aTHX_ tv); |
|
|
4544 | EXTEND (SP, 2); |
|
|
4545 | PUSHs (sv_2mortal (newSVuv (tv [0]))); |
|
|
4546 | PUSHs (sv_2mortal (newSVuv (tv [1]))); |
|
|
4547 | } |
|
|
4548 | |