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" |
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7 | |
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8 | #if CORO_UCONTEXT |
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9 | #define CORO_BACKEND "ucontext" |
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10 | #elif CORO_SJLJ |
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11 | #define CORO_BACKEND "sjlj" |
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12 | #elif CORO_LINUX |
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13 | #define CORO_BACKEND "linux" |
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14 | #elif CORO_LOSER |
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15 | #define CORO_BACKEND "loser" |
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16 | #elif CORO_FIBER |
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17 | #define CORO_BACKEND "fiber" |
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18 | #elif CORO_IRIX |
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19 | #define CORO_BACKEND "irix" |
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20 | #elif CORO_ASM |
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21 | #define CORO_BACKEND "asm" |
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22 | #elif CORO_PTHREAD |
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23 | #define CORO_BACKEND "pthread" |
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24 | #else |
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25 | #define CORO_BACKEND "unknown" |
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|
26 | #endif |
7 | |
27 | |
8 | #define PERL_NO_GET_CONTEXT |
28 | #define PERL_NO_GET_CONTEXT |
9 | #define PERL_EXT |
29 | #define PERL_EXT |
10 | |
30 | |
11 | #include "EXTERN.h" |
31 | #include "EXTERN.h" |
… | |
… | |
14 | #include "perliol.h" |
34 | #include "perliol.h" |
15 | |
35 | |
16 | #include "schmorp.h" |
36 | #include "schmorp.h" |
17 | |
37 | |
18 | #define ECB_NO_THREADS 1 |
38 | #define ECB_NO_THREADS 1 |
|
|
39 | #define ECB_NO_LIBM 1 |
19 | #include "ecb.h" |
40 | #include "ecb.h" |
20 | |
41 | |
21 | #include <stddef.h> |
42 | #include <stddef.h> |
22 | #include <stdio.h> |
43 | #include <stdio.h> |
23 | #include <errno.h> |
44 | #include <errno.h> |
24 | #include <assert.h> |
45 | #include <assert.h> |
25 | |
46 | |
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47 | #ifndef SvREFCNT_dec_NN |
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48 | #define SvREFCNT_dec_NN(sv) SvREFCNT_dec (sv) |
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49 | #endif |
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50 | |
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51 | #ifndef SvREFCNT_inc_NN |
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52 | #define SvREFCNT_inc_NN(sv) SvREFCNT_inc (sv) |
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53 | #endif |
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54 | |
26 | #ifndef SVs_PADSTALE |
55 | #ifndef SVs_PADSTALE |
27 | # define SVs_PADSTALE 0 |
56 | # define SVs_PADSTALE 0 |
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57 | #endif |
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58 | |
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59 | #ifdef PadARRAY |
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60 | # define NEWPADAPI 1 |
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61 | # define newPADLIST(var) (Newz (0, var, 1, PADLIST), Newx (PadlistARRAY (var), 2, PAD *)) |
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62 | #else |
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63 | typedef AV PADNAMELIST; |
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64 | # if !PERL_VERSION_ATLEAST(5,8,0) |
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65 | typedef AV PADLIST; |
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66 | typedef AV PAD; |
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67 | # endif |
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68 | # define PadlistARRAY(pl) ((PAD **)AvARRAY (pl)) |
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69 | # define PadlistMAX(pl) AvFILLp (pl) |
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70 | # define PadlistNAMES(pl) (*PadlistARRAY (pl)) |
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71 | # define PadARRAY AvARRAY |
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72 | # define PadMAX AvFILLp |
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73 | # define newPADLIST(var) ((var) = newAV (), av_extend (var, 1)) |
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74 | #endif |
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75 | #ifndef PadnamelistREFCNT |
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76 | # define PadnamelistREFCNT(pnl) SvREFCNT (pnl) |
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77 | #endif |
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78 | #ifndef PadnamelistREFCNT_dec |
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79 | # define PadnamelistREFCNT_dec(pnl) SvREFCNT_dec (pnl) |
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80 | #endif |
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81 | |
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82 | /* 5.19.something has replaced SVt_BIND by SVt_INVLIST */ |
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83 | /* we just alias it to SVt_IV, as that is sufficient for swap_sv for now */ |
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84 | #if PERL_VERSION_ATLEAST(5,19,0) |
|
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85 | # define SVt_BIND SVt_IV |
28 | #endif |
86 | #endif |
29 | |
87 | |
30 | #if defined(_WIN32) |
88 | #if defined(_WIN32) |
31 | # undef HAS_GETTIMEOFDAY |
89 | # undef HAS_GETTIMEOFDAY |
32 | # undef setjmp |
90 | # undef setjmp |
… | |
… | |
35 | # define setjmp _setjmp /* deep magic */ |
93 | # define setjmp _setjmp /* deep magic */ |
36 | #else |
94 | #else |
37 | # include <inttypes.h> /* most portable stdint.h */ |
95 | # include <inttypes.h> /* most portable stdint.h */ |
38 | #endif |
96 | #endif |
39 | |
97 | |
40 | #if HAVE_MMAP |
|
|
41 | # include <unistd.h> |
|
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42 | # include <sys/mman.h> |
|
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43 | # ifndef MAP_ANONYMOUS |
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44 | # ifdef MAP_ANON |
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45 | # define MAP_ANONYMOUS MAP_ANON |
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46 | # else |
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47 | # undef HAVE_MMAP |
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48 | # endif |
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49 | # endif |
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50 | # include <limits.h> |
|
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51 | # ifndef PAGESIZE |
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52 | # define PAGESIZE pagesize |
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53 | # define BOOT_PAGESIZE pagesize = sysconf (_SC_PAGESIZE) |
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54 | static long pagesize; |
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55 | # else |
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56 | # define BOOT_PAGESIZE (void)0 |
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57 | # endif |
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58 | #else |
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59 | # define PAGESIZE 0 |
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60 | # define BOOT_PAGESIZE (void)0 |
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61 | #endif |
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62 | |
|
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63 | #if CORO_USE_VALGRIND |
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64 | # include <valgrind/valgrind.h> |
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65 | #endif |
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66 | |
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|
67 | /* the maximum number of idle cctx that will be pooled */ |
98 | /* the maximum number of idle cctx that will be pooled */ |
68 | static int cctx_max_idle = 4; |
99 | static int cctx_max_idle = 4; |
69 | |
100 | |
70 | #if defined(DEBUGGING) && PERL_VERSION_ATLEAST(5,12,0) |
101 | #if defined(DEBUGGING) && PERL_VERSION_ATLEAST(5,12,0) |
71 | # define HAS_SCOPESTACK_NAME 1 |
102 | # define HAS_SCOPESTACK_NAME 1 |
72 | #endif |
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73 | |
|
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74 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
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75 | # undef CORO_STACKGUARD |
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76 | #endif |
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77 | |
|
|
78 | #ifndef CORO_STACKGUARD |
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79 | # define CORO_STACKGUARD 0 |
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80 | #endif |
103 | #endif |
81 | |
104 | |
82 | /* prefer perl internal functions over our own? */ |
105 | /* prefer perl internal functions over our own? */ |
83 | #ifndef CORO_PREFER_PERL_FUNCTIONS |
106 | #ifndef CORO_PREFER_PERL_FUNCTIONS |
84 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
107 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
… | |
… | |
113 | # define CORO_CLOCK_MONOTONIC 1 |
136 | # define CORO_CLOCK_MONOTONIC 1 |
114 | # define CORO_CLOCK_THREAD_CPUTIME_ID 3 |
137 | # define CORO_CLOCK_THREAD_CPUTIME_ID 3 |
115 | # endif |
138 | # endif |
116 | #endif |
139 | #endif |
117 | |
140 | |
|
|
141 | /* one off bugfix for perl 5.22 */ |
|
|
142 | #if PERL_VERSION_ATLEAST(5,22,0) && !PERL_VERSION_ATLEAST(5,24,0) |
|
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143 | # undef PadlistNAMES |
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144 | # define PadlistNAMES(pl) *((PADNAMELIST **)PadlistARRAY (pl)) |
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145 | #endif |
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146 | |
|
|
147 | #if PERL_VERSION_ATLEAST(5,24,0) |
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148 | # define SUB_ARGARRAY PL_curpad[0] |
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149 | #else |
|
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150 | # define SUB_ARGARRAY (SV *)cx->blk_sub.argarray |
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151 | #endif |
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152 | |
|
|
153 | /* perl usually suppresses asserts. for debugging, we sometimes force it to be on */ |
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154 | #if 0 |
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155 | # undef NDEBUG |
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156 | # include <assert.h> |
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157 | #endif |
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158 | |
118 | static double (*nvtime)(); /* so why doesn't it take void? */ |
159 | static double (*nvtime)(); /* so why doesn't it take void? */ |
119 | static void (*u2time)(pTHX_ UV ret[2]); |
160 | static void (*u2time)(pTHX_ UV ret[2]); |
120 | |
161 | |
121 | /* we hijack an hopefully unused CV flag for our purposes */ |
162 | /* we hijack an hopefully unused CV flag for our purposes */ |
122 | #define CVf_SLF 0x4000 |
163 | #define CVf_SLF 0x4000 |
… | |
… | |
137 | |
178 | |
138 | static GV *irsgv; /* $/ */ |
179 | static GV *irsgv; /* $/ */ |
139 | static GV *stdoutgv; /* *STDOUT */ |
180 | static GV *stdoutgv; /* *STDOUT */ |
140 | static SV *rv_diehook; |
181 | static SV *rv_diehook; |
141 | static SV *rv_warnhook; |
182 | static SV *rv_warnhook; |
142 | static HV *hv_sig; /* %SIG */ |
|
|
143 | |
183 | |
144 | /* async_pool helper stuff */ |
184 | /* async_pool helper stuff */ |
145 | static SV *sv_pool_rss; |
185 | static SV *sv_pool_rss; |
146 | static SV *sv_pool_size; |
186 | static SV *sv_pool_size; |
147 | static SV *sv_async_pool_idle; /* description string */ |
187 | static SV *sv_async_pool_idle; /* description string */ |
… | |
… | |
175 | typedef struct coro_cctx |
215 | typedef struct coro_cctx |
176 | { |
216 | { |
177 | struct coro_cctx *next; |
217 | struct coro_cctx *next; |
178 | |
218 | |
179 | /* the stack */ |
219 | /* the stack */ |
180 | void *sptr; |
220 | struct coro_stack stack; |
181 | size_t ssize; |
|
|
182 | |
221 | |
183 | /* cpu state */ |
222 | /* cpu state */ |
184 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
223 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
185 | #ifndef NDEBUG |
224 | #ifndef NDEBUG |
186 | JMPENV *idle_te; /* same as idle_sp, but for top_env */ |
225 | JMPENV *idle_te; /* same as idle_sp, but for top_env */ |
… | |
… | |
244 | int usecount; /* number of transfers to this coro */ |
283 | int usecount; /* number of transfers to this coro */ |
245 | |
284 | |
246 | /* coro process data */ |
285 | /* coro process data */ |
247 | int prio; |
286 | int prio; |
248 | SV *except; /* exception to be thrown */ |
287 | SV *except; /* exception to be thrown */ |
249 | SV *rouse_cb; /* last rouse callback */ |
288 | SV *rouse_cb; /* most recently created rouse callback */ |
250 | AV *on_destroy; /* callbacks or coros to notify on destroy */ |
289 | AV *on_destroy; /* callbacks or coros to notify on destroy */ |
251 | AV *status; /* the exit status list */ |
290 | AV *status; /* the exit status list */ |
252 | |
291 | |
253 | /* async_pool */ |
292 | /* async_pool */ |
254 | SV *saved_deffh; |
293 | SV *saved_deffh; |
255 | SV *invoke_cb; |
294 | SV *invoke_cb; |
256 | AV *invoke_av; |
295 | AV *invoke_av; |
257 | |
296 | |
258 | /* on_enter/on_leave */ |
297 | /* on_enter/on_leave */ |
259 | AV *on_enter; |
298 | AV *on_enter; AV *on_enter_xs; |
260 | AV *on_leave; |
299 | AV *on_leave; AV *on_leave_xs; |
261 | |
300 | |
262 | /* swap_sv */ |
301 | /* swap_sv */ |
263 | AV *swap_sv; |
302 | AV *swap_sv; |
264 | |
303 | |
265 | /* times */ |
304 | /* times */ |
… | |
… | |
295 | #define coro_nready coroapi.nready |
334 | #define coro_nready coroapi.nready |
296 | |
335 | |
297 | /** JIT *********************************************************************/ |
336 | /** JIT *********************************************************************/ |
298 | |
337 | |
299 | #if CORO_JIT |
338 | #if CORO_JIT |
300 | /* APPLE doesn't have HAVE_MMAP though */ |
339 | /* APPLE doesn't have mmap though */ |
301 | #define CORO_JIT_UNIXY (__linux || __FreeBSD__ || __OpenBSD__ || __NetBSD__ || __solaris || __APPLE__) |
340 | #define CORO_JIT_UNIXY (__linux || __FreeBSD__ || __OpenBSD__ || __NetBSD__ || __solaris || __APPLE__) |
302 | #ifndef CORO_JIT_TYPE |
341 | #ifndef CORO_JIT_TYPE |
303 | #if __x86_64 && CORO_JIT_UNIXY |
342 | #if ECB_AMD64 && CORO_JIT_UNIXY |
304 | #define CORO_JIT_TYPE "amd64-unix" |
343 | #define CORO_JIT_TYPE "amd64-unix" |
305 | #elif __i386 && CORO_JIT_UNIXY |
344 | #elif __i386 && CORO_JIT_UNIXY |
306 | #define CORO_JIT_TYPE "x86-unix" |
345 | #define CORO_JIT_TYPE "x86-unix" |
307 | #endif |
346 | #endif |
308 | #endif |
347 | #endif |
309 | #endif |
348 | #endif |
310 | |
349 | |
311 | #if !defined(CORO_JIT_TYPE) || !HAVE_MMAP |
350 | #if !defined(CORO_JIT_TYPE) || _POSIX_MEMORY_PROTECTION <= 0 |
312 | #undef CORO_JIT |
351 | #undef CORO_JIT |
313 | #endif |
352 | #endif |
314 | |
353 | |
315 | #if CORO_JIT |
354 | #if CORO_JIT |
316 | typedef void (*load_save_perl_slots_type)(perl_slots *); |
355 | typedef void (*load_save_perl_slots_type)(perl_slots *); |
… | |
… | |
501 | |
540 | |
502 | return 0; |
541 | return 0; |
503 | } |
542 | } |
504 | |
543 | |
505 | ecb_inline struct coro * |
544 | ecb_inline struct coro * |
506 | SvSTATE_ (pTHX_ SV *coro) |
545 | SvSTATE_ (pTHX_ SV *coro_sv) |
507 | { |
546 | { |
508 | MAGIC *mg; |
547 | MAGIC *mg; |
509 | |
548 | |
510 | if (SvROK (coro)) |
549 | if (SvROK (coro_sv)) |
511 | coro = SvRV (coro); |
550 | coro_sv = SvRV (coro_sv); |
512 | |
551 | |
513 | mg = SvSTATEhv_p (aTHX_ coro); |
552 | mg = SvSTATEhv_p (aTHX_ coro_sv); |
514 | if (!mg) |
553 | if (!mg) |
515 | croak ("Coro::State object required"); |
554 | croak ("Coro::State object required"); |
516 | |
555 | |
517 | return (struct coro *)mg->mg_ptr; |
556 | return (struct coro *)mg->mg_ptr; |
518 | } |
557 | } |
… | |
… | |
524 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
563 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
525 | |
564 | |
526 | /*****************************************************************************/ |
565 | /*****************************************************************************/ |
527 | /* padlist management and caching */ |
566 | /* padlist management and caching */ |
528 | |
567 | |
529 | ecb_inline AV * |
568 | ecb_inline PADLIST * |
530 | coro_derive_padlist (pTHX_ CV *cv) |
569 | coro_derive_padlist (pTHX_ CV *cv) |
531 | { |
570 | { |
532 | AV *padlist = CvPADLIST (cv); |
571 | PADLIST *padlist = CvPADLIST (cv); |
533 | AV *newpadlist, *newpad; |
572 | PADLIST *newpadlist; |
|
|
573 | PADNAMELIST *padnames; |
|
|
574 | PAD *newpad; |
|
|
575 | PADOFFSET off = PadlistMAX (padlist) + 1; |
534 | |
576 | |
535 | newpadlist = newAV (); |
577 | #if NEWPADAPI |
|
|
578 | |
|
|
579 | /* if we had the original CvDEPTH, we might be able to steal the CvDEPTH+1 entry instead */ |
|
|
580 | /* 20131102194744.GA6705@schmorp.de, 20131102195825.2013.qmail@lists-nntp.develooper.com */ |
|
|
581 | while (!PadlistARRAY (padlist)[off - 1]) |
|
|
582 | --off; |
|
|
583 | |
|
|
584 | Perl_pad_push (aTHX_ padlist, off); |
|
|
585 | |
|
|
586 | newpad = PadlistARRAY (padlist)[off]; |
|
|
587 | PadlistARRAY (padlist)[off] = 0; |
|
|
588 | |
|
|
589 | #else |
|
|
590 | |
|
|
591 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
592 | Perl_pad_push (aTHX_ padlist, off); |
|
|
593 | #else |
|
|
594 | Perl_pad_push (aTHX_ padlist, off, 1); |
|
|
595 | #endif |
|
|
596 | |
|
|
597 | newpad = PadlistARRAY (padlist)[off]; |
|
|
598 | PadlistMAX (padlist) = off - 1; |
|
|
599 | |
|
|
600 | #endif |
|
|
601 | |
|
|
602 | newPADLIST (newpadlist); |
|
|
603 | #if !PERL_VERSION_ATLEAST(5,15,3) |
|
|
604 | /* Padlists are AvREAL as of 5.15.3. See perl bug #98092 and perl commit 7d953ba. */ |
536 | AvREAL_off (newpadlist); |
605 | AvREAL_off (newpadlist); |
537 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
538 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1); |
|
|
539 | #else |
|
|
540 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
|
|
541 | #endif |
606 | #endif |
542 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
|
|
543 | --AvFILLp (padlist); |
|
|
544 | |
607 | |
545 | av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0])); |
608 | /* Already extended to 2 elements by newPADLIST. */ |
546 | av_store (newpadlist, 1, (SV *)newpad); |
609 | PadlistMAX (newpadlist) = 1; |
|
|
610 | |
|
|
611 | padnames = PadlistNAMES (padlist); |
|
|
612 | ++PadnamelistREFCNT (padnames); |
|
|
613 | PadlistNAMES (newpadlist) = padnames; |
|
|
614 | |
|
|
615 | PadlistARRAY (newpadlist)[1] = newpad; |
547 | |
616 | |
548 | return newpadlist; |
617 | return newpadlist; |
549 | } |
618 | } |
550 | |
619 | |
551 | ecb_inline void |
620 | ecb_inline void |
552 | free_padlist (pTHX_ AV *padlist) |
621 | free_padlist (pTHX_ PADLIST *padlist) |
553 | { |
622 | { |
554 | /* may be during global destruction */ |
623 | /* may be during global destruction */ |
555 | if (!IN_DESTRUCT) |
624 | if (!IN_DESTRUCT) |
556 | { |
625 | { |
557 | I32 i = AvFILLp (padlist); |
626 | I32 i = PadlistMAX (padlist); |
558 | |
627 | |
559 | while (i > 0) /* special-case index 0 */ |
628 | while (i > 0) /* special-case index 0 */ |
560 | { |
629 | { |
561 | /* we try to be extra-careful here */ |
630 | /* we try to be extra-careful here */ |
562 | AV *av = (AV *)AvARRAY (padlist)[i--]; |
631 | PAD *pad = PadlistARRAY (padlist)[i--]; |
563 | I32 j = AvFILLp (av); |
|
|
564 | |
632 | |
|
|
633 | if (pad) |
|
|
634 | { |
|
|
635 | I32 j = PadMAX (pad); |
|
|
636 | |
565 | while (j >= 0) |
637 | while (j >= 0) |
566 | SvREFCNT_dec (AvARRAY (av)[j--]); |
638 | SvREFCNT_dec (PadARRAY (pad)[j--]); |
567 | |
639 | |
568 | AvFILLp (av) = -1; |
640 | PadMAX (pad) = -1; |
569 | SvREFCNT_dec (av); |
641 | SvREFCNT_dec (pad); |
|
|
642 | } |
570 | } |
643 | } |
571 | |
644 | |
572 | SvREFCNT_dec (AvARRAY (padlist)[0]); |
645 | PadnamelistREFCNT_dec (PadlistNAMES (padlist)); |
573 | |
646 | |
|
|
647 | #if NEWPADAPI |
|
|
648 | Safefree (PadlistARRAY (padlist)); |
|
|
649 | Safefree (padlist); |
|
|
650 | #else |
574 | AvFILLp (padlist) = -1; |
651 | AvFILLp (padlist) = -1; |
|
|
652 | AvREAL_off (padlist); |
575 | SvREFCNT_dec ((SV*)padlist); |
653 | SvREFCNT_dec ((SV*)padlist); |
|
|
654 | #endif |
576 | } |
655 | } |
577 | } |
656 | } |
578 | |
657 | |
579 | static int |
658 | static int |
580 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
659 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
581 | { |
660 | { |
582 | AV *padlist; |
661 | PADLIST *padlist; |
583 | AV *av = (AV *)mg->mg_obj; |
662 | PADLIST **padlists = (PADLIST **)(mg->mg_ptr + sizeof(size_t)); |
|
|
663 | size_t len = *(size_t *)mg->mg_ptr; |
584 | |
664 | |
585 | /* perl manages to free our internal AV and _then_ call us */ |
665 | /* perl manages to free our internal AV and _then_ call us */ |
586 | if (IN_DESTRUCT) |
666 | if (IN_DESTRUCT) |
587 | return 0; |
667 | return 0; |
588 | |
668 | |
589 | /* casting is fun. */ |
669 | while (len--) |
590 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
|
|
591 | free_padlist (aTHX_ padlist); |
670 | free_padlist (aTHX_ padlists[len]); |
592 | |
|
|
593 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
|
|
594 | |
671 | |
595 | return 0; |
672 | return 0; |
596 | } |
673 | } |
597 | |
674 | |
598 | static MGVTBL coro_cv_vtbl = { |
675 | static MGVTBL coro_cv_vtbl = { |
… | |
… | |
603 | /* the next two functions merely cache the padlists */ |
680 | /* the next two functions merely cache the padlists */ |
604 | ecb_inline void |
681 | ecb_inline void |
605 | get_padlist (pTHX_ CV *cv) |
682 | get_padlist (pTHX_ CV *cv) |
606 | { |
683 | { |
607 | MAGIC *mg = CORO_MAGIC_cv (cv); |
684 | MAGIC *mg = CORO_MAGIC_cv (cv); |
608 | AV *av; |
685 | size_t *lenp; |
609 | |
686 | |
610 | if (ecb_expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
687 | if (ecb_expect_true (mg && *(lenp = (size_t *)mg->mg_ptr))) |
611 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
688 | CvPADLIST (cv) = ((PADLIST **)(mg->mg_ptr + sizeof(size_t)))[--*lenp]; |
612 | else |
689 | else |
613 | { |
690 | { |
614 | #if CORO_PREFER_PERL_FUNCTIONS |
691 | #if CORO_PREFER_PERL_FUNCTIONS |
615 | /* this is probably cleaner? but also slower! */ |
692 | /* this is probably cleaner? but also slower! */ |
616 | /* in practise, it seems to be less stable */ |
693 | /* in practise, it seems to be less stable */ |
… | |
… | |
626 | |
703 | |
627 | ecb_inline void |
704 | ecb_inline void |
628 | put_padlist (pTHX_ CV *cv) |
705 | put_padlist (pTHX_ CV *cv) |
629 | { |
706 | { |
630 | MAGIC *mg = CORO_MAGIC_cv (cv); |
707 | MAGIC *mg = CORO_MAGIC_cv (cv); |
631 | AV *av; |
|
|
632 | |
708 | |
633 | if (ecb_expect_false (!mg)) |
709 | if (ecb_expect_false (!mg)) |
|
|
710 | { |
634 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
711 | mg = sv_magicext ((SV *)cv, 0, CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
|
|
712 | Newz (0, mg->mg_ptr ,sizeof (size_t) + sizeof (PADLIST *), char); |
|
|
713 | mg->mg_len = 1; /* so mg_free frees mg_ptr */ |
|
|
714 | } |
|
|
715 | else |
|
|
716 | Renew (mg->mg_ptr, |
|
|
717 | sizeof(size_t) + (*(size_t *)mg->mg_ptr + 1) * sizeof(PADLIST *), |
|
|
718 | char); |
635 | |
719 | |
636 | av = (AV *)mg->mg_obj; |
720 | ((PADLIST **)(mg->mg_ptr + sizeof (size_t))) [(*(size_t *)mg->mg_ptr)++] = CvPADLIST (cv); |
637 | |
|
|
638 | if (ecb_expect_false (AvFILLp (av) >= AvMAX (av))) |
|
|
639 | av_extend (av, AvFILLp (av) + 1); |
|
|
640 | |
|
|
641 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
|
|
642 | } |
721 | } |
643 | |
722 | |
644 | /** load & save, init *******************************************************/ |
723 | /** load & save, init *******************************************************/ |
645 | |
724 | |
646 | ecb_inline void |
725 | ecb_inline void |
… | |
… | |
667 | tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u; |
746 | tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u; |
668 | |
747 | |
669 | /* if SvANY points to the head, we need to adjust the pointers, |
748 | /* 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. |
749 | * as the pointer for a still points to b, and maybe vice versa. |
671 | */ |
750 | */ |
672 | #define svany_in_head(type) \ |
751 | U32 svany_in_head_set = (1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV); |
673 | (((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type))) |
752 | #if NVSIZE <= IVSIZE && PERL_VERSION_ATLEAST(5,22,0) |
|
|
753 | svany_in_head_set |= 1 << SVt_NV; |
|
|
754 | #endif |
|
|
755 | |
|
|
756 | #define svany_in_head(type) (svany_in_head_set & (1 << (type))) |
674 | |
757 | |
675 | if (svany_in_head (SvTYPE (a))) |
758 | if (svany_in_head (SvTYPE (a))) |
676 | SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a); |
759 | SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a); |
677 | |
760 | |
678 | if (svany_in_head (SvTYPE (b))) |
761 | if (svany_in_head (SvTYPE (b))) |
… | |
… | |
681 | #endif |
764 | #endif |
682 | } |
765 | } |
683 | |
766 | |
684 | /* swap sv heads, at least logically */ |
767 | /* swap sv heads, at least logically */ |
685 | static void |
768 | static void |
686 | swap_svs (pTHX_ Coro__State c) |
769 | swap_svs_enter (pTHX_ Coro__State c) |
687 | { |
770 | { |
688 | int i; |
771 | int i; |
689 | |
772 | |
690 | for (i = 0; i <= AvFILLp (c->swap_sv); i += 2) |
773 | for (i = 0; i <= AvFILLp (c->swap_sv); i += 2) |
691 | swap_sv (AvARRAY (c->swap_sv)[i], AvARRAY (c->swap_sv)[i + 1]); |
774 | swap_sv (AvARRAY (c->swap_sv)[i], AvARRAY (c->swap_sv)[i + 1]); |
692 | } |
775 | } |
693 | |
776 | |
|
|
777 | static void |
|
|
778 | swap_svs_leave (pTHX_ Coro__State c) |
|
|
779 | { |
|
|
780 | int i; |
|
|
781 | |
|
|
782 | for (i = AvFILLp (c->swap_sv) - 1; i >= 0; i -= 2) |
|
|
783 | swap_sv (AvARRAY (c->swap_sv)[i], AvARRAY (c->swap_sv)[i + 1]); |
|
|
784 | } |
|
|
785 | |
694 | #define SWAP_SVS(coro) \ |
786 | #define SWAP_SVS_ENTER(coro) \ |
695 | if (ecb_expect_false ((coro)->swap_sv)) \ |
787 | if (ecb_expect_false ((coro)->swap_sv)) \ |
696 | swap_svs (aTHX_ (coro)) |
788 | swap_svs_enter (aTHX_ (coro)) |
|
|
789 | |
|
|
790 | #define SWAP_SVS_LEAVE(coro) \ |
|
|
791 | if (ecb_expect_false ((coro)->swap_sv)) \ |
|
|
792 | swap_svs_leave (aTHX_ (coro)) |
697 | |
793 | |
698 | static void |
794 | static void |
699 | on_enterleave_call (pTHX_ SV *cb); |
795 | on_enterleave_call (pTHX_ SV *cb); |
700 | |
796 | |
701 | static void |
797 | static void |
… | |
… | |
721 | /* now do the ugly restore mess */ |
817 | /* now do the ugly restore mess */ |
722 | while (ecb_expect_true (cv = (CV *)POPs)) |
818 | while (ecb_expect_true (cv = (CV *)POPs)) |
723 | { |
819 | { |
724 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
820 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
725 | CvDEPTH (cv) = PTR2IV (POPs); |
821 | CvDEPTH (cv) = PTR2IV (POPs); |
726 | CvPADLIST (cv) = (AV *)POPs; |
822 | CvPADLIST (cv) = (PADLIST *)POPs; |
727 | } |
823 | } |
728 | |
824 | |
729 | PUTBACK; |
825 | PUTBACK; |
730 | } |
826 | } |
731 | |
827 | |
… | |
… | |
746 | |
842 | |
747 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
843 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
748 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
844 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
749 | } |
845 | } |
750 | |
846 | |
|
|
847 | if (ecb_expect_false (c->on_enter_xs)) |
|
|
848 | { |
|
|
849 | int i; |
|
|
850 | |
|
|
851 | for (i = 0; i <= AvFILLp (c->on_enter_xs); i += 2) |
|
|
852 | ((coro_enterleave_hook)AvARRAY (c->on_enter_xs)[i]) (aTHX_ AvARRAY (c->on_enter_xs)[i + 1]); |
|
|
853 | } |
|
|
854 | |
751 | SWAP_SVS (c); |
855 | SWAP_SVS_ENTER (c); |
752 | } |
856 | } |
753 | |
857 | |
754 | static void |
858 | static void |
755 | save_perl (pTHX_ Coro__State c) |
859 | save_perl (pTHX_ Coro__State c) |
756 | { |
860 | { |
757 | SWAP_SVS (c); |
861 | SWAP_SVS_LEAVE (c); |
|
|
862 | |
|
|
863 | if (ecb_expect_false (c->on_leave_xs)) |
|
|
864 | { |
|
|
865 | int i; |
|
|
866 | |
|
|
867 | for (i = AvFILLp (c->on_leave_xs) - 1; i >= 0; i -= 2) |
|
|
868 | ((coro_enterleave_hook)AvARRAY (c->on_leave_xs)[i]) (aTHX_ AvARRAY (c->on_leave_xs)[i + 1]); |
|
|
869 | } |
758 | |
870 | |
759 | if (ecb_expect_false (c->on_leave)) |
871 | if (ecb_expect_false (c->on_leave)) |
760 | { |
872 | { |
761 | int i; |
873 | int i; |
762 | |
874 | |
… | |
… | |
889 | #endif |
1001 | #endif |
890 | |
1002 | |
891 | New(54,PL_savestack,24,ANY); |
1003 | New(54,PL_savestack,24,ANY); |
892 | PL_savestack_ix = 0; |
1004 | PL_savestack_ix = 0; |
893 | PL_savestack_max = 24; |
1005 | PL_savestack_max = 24; |
|
|
1006 | #if PERL_VERSION_ATLEAST (5,24,0) |
|
|
1007 | /* perl 5.24 moves SS_MAXPUSH optimisation from */ |
|
|
1008 | /* the header macros to PL_savestack_max */ |
|
|
1009 | PL_savestack_max -= SS_MAXPUSH; |
|
|
1010 | #endif |
894 | |
1011 | |
895 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1012 | #if !PERL_VERSION_ATLEAST (5,10,0) |
896 | New(54,PL_retstack,4,OP*); |
1013 | New(54,PL_retstack,4,OP*); |
897 | PL_retstack_ix = 0; |
1014 | PL_retstack_ix = 0; |
898 | PL_retstack_max = 4; |
1015 | PL_retstack_max = 4; |
… | |
… | |
964 | } |
1081 | } |
965 | |
1082 | |
966 | return rss; |
1083 | return rss; |
967 | } |
1084 | } |
968 | |
1085 | |
969 | /** coroutine stack handling ************************************************/ |
1086 | /** provide custom get/set/clear methods for %SIG elements ******************/ |
970 | |
|
|
971 | static int (*orig_sigelem_get) (pTHX_ SV *sv, MAGIC *mg); |
|
|
972 | static int (*orig_sigelem_set) (pTHX_ SV *sv, MAGIC *mg); |
|
|
973 | static int (*orig_sigelem_clr) (pTHX_ SV *sv, MAGIC *mg); |
|
|
974 | |
1087 | |
975 | /* apparently < 5.8.8 */ |
1088 | /* apparently < 5.8.8 */ |
976 | #ifndef MgPV_nolen_const |
1089 | #ifndef MgPV_nolen_const |
977 | #define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \ |
1090 | #define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \ |
978 | SvPV_nolen((SV*)((mg)->mg_ptr)) : \ |
1091 | SvPV_nolen((SV*)((mg)->mg_ptr)) : \ |
979 | (const char*)(mg)->mg_ptr) |
1092 | (const char*)(mg)->mg_ptr) |
980 | #endif |
1093 | #endif |
|
|
1094 | |
|
|
1095 | /* this will be a patched copy of PL_vtbl_sigelem */ |
|
|
1096 | static MGVTBL coro_sigelem_vtbl; |
|
|
1097 | |
|
|
1098 | static int ecb_cold |
|
|
1099 | coro_sig_copy (pTHX_ SV *sv, MAGIC *mg, SV *nsv, const char *name, I32 namlen) |
|
|
1100 | { |
|
|
1101 | char *key = SvPV_nolen ((SV *)name); |
|
|
1102 | |
|
|
1103 | /* do what mg_copy normally does */ |
|
|
1104 | sv_magic (nsv, mg->mg_obj, PERL_MAGIC_sigelem, name, namlen); |
|
|
1105 | assert (mg_find (nsv, PERL_MAGIC_sigelem)->mg_virtual == &PL_vtbl_sigelem); |
|
|
1106 | |
|
|
1107 | /* patch sigelem vtbl, but only for __WARN__ and __DIE__ */ |
|
|
1108 | if (*key == '_' |
|
|
1109 | && (strEQ (key, "__DIE__") |
|
|
1110 | || strEQ (key, "__WARN__"))) |
|
|
1111 | mg_find (nsv, PERL_MAGIC_sigelem)->mg_virtual = &coro_sigelem_vtbl; |
|
|
1112 | |
|
|
1113 | return 1; |
|
|
1114 | } |
|
|
1115 | |
|
|
1116 | /* perl does not have a %SIG vtbl, we provide one so we can override */ |
|
|
1117 | /* the magic vtbl for the __DIE__ and __WARN__ members */ |
|
|
1118 | static const MGVTBL coro_sig_vtbl = { |
|
|
1119 | 0, 0, 0, 0, 0, |
|
|
1120 | coro_sig_copy |
|
|
1121 | }; |
981 | |
1122 | |
982 | /* |
1123 | /* |
983 | * This overrides the default magic get method of %SIG elements. |
1124 | * This overrides the default magic get method of %SIG elements. |
984 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
1125 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
985 | * and instead of trying to save and restore the hash elements (extremely slow), |
1126 | * and instead of trying to save and restore the hash elements (extremely slow), |
… | |
… | |
987 | */ |
1128 | */ |
988 | static int ecb_cold |
1129 | static int ecb_cold |
989 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
1130 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
990 | { |
1131 | { |
991 | const char *s = MgPV_nolen_const (mg); |
1132 | const char *s = MgPV_nolen_const (mg); |
|
|
1133 | /* the key must be either __DIE__ or __WARN__ here */ |
|
|
1134 | SV **svp = s[2] == 'D' ? &PL_diehook : &PL_warnhook; |
992 | |
1135 | |
993 | if (*s == '_') |
1136 | SV *ssv; |
994 | { |
|
|
995 | SV **svp = 0; |
|
|
996 | |
1137 | |
997 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
|
|
998 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
|
|
999 | |
|
|
1000 | if (svp) |
1138 | if (!*svp) |
1001 | { |
|
|
1002 | SV *ssv; |
|
|
1003 | |
|
|
1004 | if (!*svp) |
|
|
1005 | ssv = &PL_sv_undef; |
1139 | ssv = &PL_sv_undef; |
1006 | else if (SvTYPE (*svp) == SVt_PVCV) /* perlio directly stores a CV in warnhook. ugh. */ |
1140 | else if (SvTYPE (*svp) == SVt_PVCV) /* perlio directly stores a CV in warnhook. ugh. */ |
1007 | ssv = sv_2mortal (newRV_inc (*svp)); |
1141 | ssv = sv_2mortal (newRV_inc (*svp)); |
1008 | else |
1142 | else |
1009 | ssv = *svp; |
1143 | ssv = *svp; |
1010 | |
1144 | |
1011 | sv_setsv (sv, ssv); |
1145 | sv_setsv (sv, ssv); |
1012 | return 0; |
1146 | return 0; |
1013 | } |
|
|
1014 | } |
|
|
1015 | |
|
|
1016 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
|
|
1017 | } |
1147 | } |
1018 | |
1148 | |
1019 | static int ecb_cold |
1149 | static int ecb_cold |
1020 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
1150 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
1021 | { |
1151 | { |
1022 | const char *s = MgPV_nolen_const (mg); |
1152 | const char *s = MgPV_nolen_const (mg); |
|
|
1153 | /* the key must be either __DIE__ or __WARN__ here */ |
|
|
1154 | SV **svp = s[2] == 'D' ? &PL_diehook : &PL_warnhook; |
1023 | |
1155 | |
1024 | if (*s == '_') |
|
|
1025 | { |
|
|
1026 | SV **svp = 0; |
|
|
1027 | |
|
|
1028 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
|
|
1029 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
|
|
1030 | |
|
|
1031 | if (svp) |
|
|
1032 | { |
|
|
1033 | SV *old = *svp; |
1156 | SV *old = *svp; |
1034 | *svp = 0; |
1157 | *svp = 0; |
1035 | SvREFCNT_dec (old); |
1158 | SvREFCNT_dec (old); |
1036 | return 0; |
1159 | return 0; |
1037 | } |
|
|
1038 | } |
|
|
1039 | |
|
|
1040 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
|
|
1041 | } |
1160 | } |
1042 | |
1161 | |
1043 | static int ecb_cold |
1162 | static int ecb_cold |
1044 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
1163 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
1045 | { |
1164 | { |
1046 | const char *s = MgPV_nolen_const (mg); |
1165 | const char *s = MgPV_nolen_const (mg); |
|
|
1166 | /* the key must be either __DIE__ or __WARN__ here */ |
|
|
1167 | SV **svp = s[2] == 'D' ? &PL_diehook : &PL_warnhook; |
1047 | |
1168 | |
1048 | if (*s == '_') |
|
|
1049 | { |
|
|
1050 | SV **svp = 0; |
|
|
1051 | |
|
|
1052 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
|
|
1053 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
|
|
1054 | |
|
|
1055 | if (svp) |
|
|
1056 | { |
|
|
1057 | SV *old = *svp; |
1169 | SV *old = *svp; |
1058 | *svp = SvOK (sv) ? newSVsv (sv) : 0; |
1170 | *svp = SvOK (sv) ? newSVsv (sv) : 0; |
1059 | SvREFCNT_dec (old); |
1171 | SvREFCNT_dec (old); |
1060 | return 0; |
1172 | return 0; |
1061 | } |
|
|
1062 | } |
|
|
1063 | |
|
|
1064 | return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0; |
|
|
1065 | } |
1173 | } |
1066 | |
1174 | |
1067 | static void |
1175 | static void |
1068 | prepare_nop (pTHX_ struct coro_transfer_args *ta) |
1176 | prepare_nop (pTHX_ struct coro_transfer_args *ta) |
1069 | { |
1177 | { |
… | |
… | |
1080 | static int |
1188 | static int |
1081 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
1189 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
1082 | { |
1190 | { |
1083 | return 1; |
1191 | return 1; |
1084 | } |
1192 | } |
|
|
1193 | |
|
|
1194 | /** coroutine stack handling ************************************************/ |
1085 | |
1195 | |
1086 | static UNOP init_perl_op; |
1196 | static UNOP init_perl_op; |
1087 | |
1197 | |
1088 | ecb_noinline static void /* noinline to keep it out of the transfer fast path */ |
1198 | ecb_noinline static void /* noinline to keep it out of the transfer fast path */ |
1089 | init_perl (pTHX_ struct coro *coro) |
1199 | init_perl (pTHX_ struct coro *coro) |
… | |
… | |
1115 | |
1225 | |
1116 | GvSV (PL_defgv) = newSV (0); |
1226 | GvSV (PL_defgv) = newSV (0); |
1117 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1227 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1118 | GvSV (PL_errgv) = newSV (0); |
1228 | GvSV (PL_errgv) = newSV (0); |
1119 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
1229 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
1120 | GvHV (PL_hintgv) = 0; |
1230 | GvHV (PL_hintgv) = newHV (); |
|
|
1231 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
1232 | hv_magic (GvHV (PL_hintgv), 0, PERL_MAGIC_hints); |
|
|
1233 | #endif |
1121 | PL_rs = newSVsv (GvSV (irsgv)); |
1234 | PL_rs = newSVsv (GvSV (irsgv)); |
1122 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
1235 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
1123 | |
1236 | |
1124 | { |
1237 | { |
1125 | dSP; |
1238 | dSP; |
… | |
… | |
1129 | myop.op_next = Nullop; |
1242 | myop.op_next = Nullop; |
1130 | myop.op_type = OP_ENTERSUB; |
1243 | myop.op_type = OP_ENTERSUB; |
1131 | myop.op_flags = OPf_WANT_VOID; |
1244 | myop.op_flags = OPf_WANT_VOID; |
1132 | |
1245 | |
1133 | PUSHMARK (SP); |
1246 | PUSHMARK (SP); |
1134 | PUSHs ((SV *)coro->startcv); |
1247 | XPUSHs ((SV *)coro->startcv); |
1135 | PUTBACK; |
1248 | PUTBACK; |
1136 | PL_op = (OP *)&myop; |
1249 | PL_op = (OP *)&myop; |
1137 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
1250 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
1138 | } |
1251 | } |
1139 | |
1252 | |
… | |
… | |
1153 | PL_op = (OP *)&init_perl_op; |
1266 | PL_op = (OP *)&init_perl_op; |
1154 | |
1267 | |
1155 | /* copy throw, in case it was set before init_perl */ |
1268 | /* copy throw, in case it was set before init_perl */ |
1156 | CORO_THROW = coro->except; |
1269 | CORO_THROW = coro->except; |
1157 | |
1270 | |
1158 | SWAP_SVS (coro); |
1271 | SWAP_SVS_ENTER (coro); |
1159 | |
1272 | |
1160 | if (ecb_expect_false (enable_times)) |
1273 | if (ecb_expect_false (enable_times)) |
1161 | { |
1274 | { |
1162 | coro_times_update (); |
1275 | coro_times_update (); |
1163 | coro_times_sub (coro); |
1276 | coro_times_sub (coro); |
… | |
… | |
1196 | |
1309 | |
1197 | assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack)); |
1310 | assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack)); |
1198 | |
1311 | |
1199 | save_perl (aTHX_ current); |
1312 | save_perl (aTHX_ current); |
1200 | |
1313 | |
1201 | /* this will cause transfer_check to croak on block*/ |
1314 | /* this will cause transfer_check to croak on block */ |
1202 | SvRV_set (coro_current, (SV *)coro->hv); |
1315 | SvRV_set (coro_current, (SV *)coro->hv); |
1203 | |
1316 | |
1204 | load_perl (aTHX_ coro); |
1317 | load_perl (aTHX_ coro); |
1205 | |
1318 | |
|
|
1319 | /* restore swapped sv's */ |
|
|
1320 | SWAP_SVS_LEAVE (coro); |
|
|
1321 | |
1206 | coro_unwind_stacks (aTHX); |
1322 | coro_unwind_stacks (aTHX); |
1207 | |
|
|
1208 | /* restore swapped sv's */ |
|
|
1209 | SWAP_SVS (coro); |
|
|
1210 | |
1323 | |
1211 | coro_destruct_stacks (aTHX); |
1324 | coro_destruct_stacks (aTHX); |
1212 | |
1325 | |
1213 | /* now save some sv's to be free'd later */ |
1326 | /* now save some sv's to be free'd later */ |
1214 | svf [0] = GvSV (PL_defgv); |
1327 | svf [0] = GvSV (PL_defgv); |
… | |
… | |
1235 | |
1348 | |
1236 | SvREFCNT_dec (coro->saved_deffh); |
1349 | SvREFCNT_dec (coro->saved_deffh); |
1237 | SvREFCNT_dec (coro->rouse_cb); |
1350 | SvREFCNT_dec (coro->rouse_cb); |
1238 | SvREFCNT_dec (coro->invoke_cb); |
1351 | SvREFCNT_dec (coro->invoke_cb); |
1239 | SvREFCNT_dec (coro->invoke_av); |
1352 | SvREFCNT_dec (coro->invoke_av); |
|
|
1353 | SvREFCNT_dec (coro->on_enter_xs); |
|
|
1354 | SvREFCNT_dec (coro->on_leave_xs); |
1240 | } |
1355 | } |
1241 | } |
1356 | } |
1242 | |
1357 | |
1243 | ecb_inline void |
1358 | ecb_inline void |
1244 | free_coro_mortal (pTHX) |
1359 | free_coro_mortal (pTHX) |
… | |
… | |
1285 | av_push (av, SvREFCNT_inc_NN (*bot++)); |
1400 | av_push (av, SvREFCNT_inc_NN (*bot++)); |
1286 | |
1401 | |
1287 | PL_runops = RUNOPS_DEFAULT; |
1402 | PL_runops = RUNOPS_DEFAULT; |
1288 | ENTER; |
1403 | ENTER; |
1289 | SAVETMPS; |
1404 | SAVETMPS; |
|
|
1405 | PUSHMARK (SP); |
1290 | EXTEND (SP, 3); |
1406 | EXTEND (SP, 3); |
1291 | PUSHMARK (SP); |
|
|
1292 | PUSHs (&PL_sv_no); |
1407 | PUSHs (&PL_sv_no); |
1293 | PUSHs (fullname); |
1408 | PUSHs (fullname); |
1294 | PUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
1409 | PUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
1295 | PUTBACK; |
1410 | PUTBACK; |
1296 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
1411 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
… | |
… | |
1307 | |
1422 | |
1308 | if (PL_curcop != &PL_compiling) |
1423 | if (PL_curcop != &PL_compiling) |
1309 | { |
1424 | { |
1310 | SV **cb; |
1425 | SV **cb; |
1311 | |
1426 | |
1312 | if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB) |
1427 | if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB && cxstack_ix >= 0) |
1313 | { |
1428 | { |
1314 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1429 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1315 | |
1430 | |
1316 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
1431 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
1317 | { |
1432 | { |
… | |
… | |
1323 | gv_efullname3 (fullname, gv, 0); |
1438 | gv_efullname3 (fullname, gv, 0); |
1324 | |
1439 | |
1325 | PL_runops = RUNOPS_DEFAULT; |
1440 | PL_runops = RUNOPS_DEFAULT; |
1326 | ENTER; |
1441 | ENTER; |
1327 | SAVETMPS; |
1442 | SAVETMPS; |
|
|
1443 | PUSHMARK (SP); |
1328 | EXTEND (SP, 3); |
1444 | EXTEND (SP, 3); |
1329 | PUSHMARK (SP); |
|
|
1330 | PUSHs (&PL_sv_yes); |
1445 | PUSHs (&PL_sv_yes); |
1331 | PUSHs (fullname); |
1446 | PUSHs (fullname); |
1332 | PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef); |
1447 | PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc (SUB_ARGARRAY)) : &PL_sv_undef); |
1333 | PUTBACK; |
1448 | PUTBACK; |
1334 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
1449 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
1335 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
1450 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
1336 | SPAGAIN; |
1451 | SPAGAIN; |
1337 | FREETMPS; |
1452 | FREETMPS; |
… | |
… | |
1347 | dSP; |
1462 | dSP; |
1348 | |
1463 | |
1349 | PL_runops = RUNOPS_DEFAULT; |
1464 | PL_runops = RUNOPS_DEFAULT; |
1350 | ENTER; |
1465 | ENTER; |
1351 | SAVETMPS; |
1466 | SAVETMPS; |
1352 | EXTEND (SP, 3); |
|
|
1353 | PL_runops = RUNOPS_DEFAULT; |
|
|
1354 | PUSHMARK (SP); |
1467 | PUSHMARK (SP); |
|
|
1468 | EXTEND (SP, 2); |
1355 | PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0))); |
1469 | PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0))); |
1356 | PUSHs (sv_2mortal (newSViv (CopLINE (oldcop)))); |
1470 | PUSHs (sv_2mortal (newSViv (CopLINE (oldcop)))); |
1357 | PUTBACK; |
1471 | PUTBACK; |
1358 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_line_cb", sizeof ("_trace_line_cb") - 1, 0); |
1472 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_line_cb", sizeof ("_trace_line_cb") - 1, 0); |
1359 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
1473 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
… | |
… | |
1459 | * coro body here, as perl_run destroys these. Likewise, we cannot catch |
1573 | * coro body here, as perl_run destroys these. Likewise, we cannot catch |
1460 | * runtime errors here, as this is just a random interpreter, not a thread. |
1574 | * runtime errors here, as this is just a random interpreter, not a thread. |
1461 | */ |
1575 | */ |
1462 | |
1576 | |
1463 | /* |
1577 | /* |
|
|
1578 | * pp_entersub in 5.24 no longer ENTERs, but perl_destruct |
|
|
1579 | * requires PL_scopestack_ix, so do it here if required. |
|
|
1580 | */ |
|
|
1581 | if (!PL_scopestack_ix) |
|
|
1582 | ENTER; |
|
|
1583 | |
|
|
1584 | /* |
1464 | * If perl-run returns we assume exit() was being called or the coro |
1585 | * If perl-run returns we assume exit() was being called or the coro |
1465 | * fell off the end, which seems to be the only valid (non-bug) |
1586 | * fell off the end, which seems to be the only valid (non-bug) |
1466 | * reason for perl_run to return. We try to mimic whatever perl is normally |
1587 | * reason for perl_run to return. We try to mimic whatever perl is normally |
1467 | * doing in that case. YMMV. |
1588 | * doing in that case. YMMV. |
1468 | */ |
1589 | */ |
… | |
… | |
1489 | static coro_cctx * |
1610 | static coro_cctx * |
1490 | cctx_new_empty (void) |
1611 | cctx_new_empty (void) |
1491 | { |
1612 | { |
1492 | coro_cctx *cctx = cctx_new (); |
1613 | coro_cctx *cctx = cctx_new (); |
1493 | |
1614 | |
1494 | cctx->sptr = 0; |
1615 | cctx->stack.sptr = 0; |
1495 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
1616 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
1496 | |
1617 | |
1497 | return cctx; |
1618 | return cctx; |
1498 | } |
1619 | } |
1499 | |
1620 | |
1500 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1621 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1501 | static coro_cctx * |
1622 | static coro_cctx * |
1502 | cctx_new_run (void) |
1623 | cctx_new_run (void) |
1503 | { |
1624 | { |
1504 | coro_cctx *cctx = cctx_new (); |
1625 | coro_cctx *cctx = cctx_new (); |
1505 | void *stack_start; |
|
|
1506 | size_t stack_size; |
|
|
1507 | |
1626 | |
1508 | #if HAVE_MMAP |
1627 | if (!coro_stack_alloc (&cctx->stack, cctx_stacksize)) |
1509 | cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
|
|
1510 | /* mmap supposedly does allocate-on-write for us */ |
|
|
1511 | cctx->sptr = mmap (0, cctx->ssize, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_ANONYMOUS, -1, 0); |
|
|
1512 | |
|
|
1513 | if (cctx->sptr != (void *)-1) |
|
|
1514 | { |
|
|
1515 | #if CORO_STACKGUARD |
|
|
1516 | mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); |
|
|
1517 | #endif |
|
|
1518 | stack_start = (char *)cctx->sptr + CORO_STACKGUARD * PAGESIZE; |
|
|
1519 | stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE; |
|
|
1520 | cctx->flags |= CC_MAPPED; |
|
|
1521 | } |
1628 | { |
1522 | else |
|
|
1523 | #endif |
|
|
1524 | { |
|
|
1525 | cctx->ssize = cctx_stacksize * (long)sizeof (long); |
|
|
1526 | New (0, cctx->sptr, cctx_stacksize, long); |
|
|
1527 | |
|
|
1528 | if (!cctx->sptr) |
|
|
1529 | { |
|
|
1530 | perror ("FATAL: unable to allocate stack for coroutine, exiting."); |
1629 | perror ("FATAL: unable to allocate stack for coroutine, exiting."); |
1531 | _exit (EXIT_FAILURE); |
1630 | _exit (EXIT_FAILURE); |
1532 | } |
|
|
1533 | |
|
|
1534 | stack_start = cctx->sptr; |
|
|
1535 | stack_size = cctx->ssize; |
|
|
1536 | } |
1631 | } |
1537 | |
1632 | |
1538 | #if CORO_USE_VALGRIND |
|
|
1539 | cctx->valgrind_id = VALGRIND_STACK_REGISTER ((char *)stack_start, (char *)stack_start + stack_size); |
|
|
1540 | #endif |
|
|
1541 | |
|
|
1542 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size); |
1633 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, cctx->stack.sptr, cctx->stack.ssze); |
1543 | |
1634 | |
1544 | return cctx; |
1635 | return cctx; |
1545 | } |
1636 | } |
1546 | |
1637 | |
1547 | static void |
1638 | static void |
… | |
… | |
1553 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current)); |
1644 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current)); |
1554 | |
1645 | |
1555 | --cctx_count; |
1646 | --cctx_count; |
1556 | coro_destroy (&cctx->cctx); |
1647 | coro_destroy (&cctx->cctx); |
1557 | |
1648 | |
1558 | /* coro_transfer creates new, empty cctx's */ |
1649 | coro_stack_free (&cctx->stack); |
1559 | if (cctx->sptr) |
|
|
1560 | { |
|
|
1561 | #if CORO_USE_VALGRIND |
|
|
1562 | VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); |
|
|
1563 | #endif |
|
|
1564 | |
|
|
1565 | #if HAVE_MMAP |
|
|
1566 | if (cctx->flags & CC_MAPPED) |
|
|
1567 | munmap (cctx->sptr, cctx->ssize); |
|
|
1568 | else |
|
|
1569 | #endif |
|
|
1570 | Safefree (cctx->sptr); |
|
|
1571 | } |
|
|
1572 | |
1650 | |
1573 | Safefree (cctx); |
1651 | Safefree (cctx); |
1574 | } |
1652 | } |
1575 | |
1653 | |
1576 | /* wether this cctx should be destructed */ |
1654 | /* wether this cctx should be destructed */ |
… | |
… | |
1595 | } |
1673 | } |
1596 | |
1674 | |
1597 | static void |
1675 | static void |
1598 | cctx_put (coro_cctx *cctx) |
1676 | cctx_put (coro_cctx *cctx) |
1599 | { |
1677 | { |
1600 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr)); |
1678 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->stack.sptr)); |
1601 | |
1679 | |
1602 | /* free another cctx if overlimit */ |
1680 | /* free another cctx if overlimit */ |
1603 | if (ecb_expect_false (cctx_idle >= cctx_max_idle)) |
1681 | if (ecb_expect_false (cctx_idle >= cctx_max_idle)) |
1604 | { |
1682 | { |
1605 | coro_cctx *first = cctx_first; |
1683 | coro_cctx *first = cctx_first; |
… | |
… | |
1766 | |
1844 | |
1767 | static int |
1845 | static int |
1768 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1846 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1769 | { |
1847 | { |
1770 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1848 | struct coro *coro = (struct coro *)mg->mg_ptr; |
|
|
1849 | |
|
|
1850 | coro_state_destroy (aTHX_ coro); |
1771 | mg->mg_ptr = 0; |
1851 | mg->mg_ptr = 0; |
1772 | |
1852 | |
1773 | coro_state_destroy (aTHX_ coro); |
|
|
1774 | SvREFCNT_dec (coro->on_destroy); |
1853 | SvREFCNT_dec (coro->on_destroy); |
1775 | SvREFCNT_dec (coro->status); |
1854 | SvREFCNT_dec (coro->status); |
1776 | |
1855 | |
1777 | Safefree (coro); |
1856 | Safefree (coro); |
1778 | |
1857 | |
… | |
… | |
1781 | |
1860 | |
1782 | static int ecb_cold |
1861 | static int ecb_cold |
1783 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1862 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1784 | { |
1863 | { |
1785 | /* called when perl clones the current process the slow way (windows process emulation) */ |
1864 | /* called when perl clones the current process the slow way (windows process emulation) */ |
1786 | /* WE SIMply nuke the pointers in the copy, causing perl to croak */ |
1865 | /* we simply nuke the pointers in the copy, causing perl to croak */ |
1787 | mg->mg_ptr = 0; |
1866 | mg->mg_ptr = 0; |
1788 | mg->mg_virtual = 0; |
1867 | mg->mg_virtual = 0; |
1789 | |
1868 | |
1790 | return 0; |
1869 | return 0; |
1791 | } |
1870 | } |
… | |
… | |
1937 | /* nothing to schedule: call the idle handler */ |
2016 | /* nothing to schedule: call the idle handler */ |
1938 | if (SvROK (sv_idle) |
2017 | if (SvROK (sv_idle) |
1939 | && SvOBJECT (SvRV (sv_idle))) |
2018 | && SvOBJECT (SvRV (sv_idle))) |
1940 | { |
2019 | { |
1941 | if (SvRV (sv_idle) == SvRV (coro_current)) |
2020 | if (SvRV (sv_idle) == SvRV (coro_current)) |
|
|
2021 | { |
|
|
2022 | require_pv ("Carp"); |
|
|
2023 | |
|
|
2024 | { |
|
|
2025 | dSP; |
|
|
2026 | |
|
|
2027 | ENTER; |
|
|
2028 | SAVETMPS; |
|
|
2029 | |
|
|
2030 | PUSHMARK (SP); |
1942 | croak ("FATAL: $Coro::IDLE blocked itself - did you try to block inside an event loop callback? Caught"); |
2031 | XPUSHs (sv_2mortal (newSVpv ("FATAL: $Coro::idle blocked itself - did you try to block inside an event loop callback? Caught", 0))); |
|
|
2032 | PUTBACK; |
|
|
2033 | call_pv ("Carp::confess", G_VOID | G_DISCARD); |
|
|
2034 | |
|
|
2035 | FREETMPS; |
|
|
2036 | LEAVE; |
|
|
2037 | } |
|
|
2038 | } |
1943 | |
2039 | |
1944 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
2040 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
1945 | api_ready (aTHX_ SvRV (sv_idle)); |
2041 | api_ready (aTHX_ SvRV (sv_idle)); |
1946 | --coro_nready; |
2042 | --coro_nready; |
1947 | } |
2043 | } |
… | |
… | |
2145 | AV *od = coro->on_destroy; |
2241 | AV *od = coro->on_destroy; |
2146 | |
2242 | |
2147 | if (!od) |
2243 | if (!od) |
2148 | return; |
2244 | return; |
2149 | |
2245 | |
|
|
2246 | coro->on_destroy = 0; |
|
|
2247 | sv_2mortal ((SV *)od); |
|
|
2248 | |
2150 | while (AvFILLp (od) >= 0) |
2249 | while (AvFILLp (od) >= 0) |
2151 | { |
2250 | { |
2152 | SV *cb = sv_2mortal (av_pop (od)); |
2251 | SV *cb = sv_2mortal (av_pop (od)); |
2153 | |
2252 | |
2154 | /* coro hv's (and only hv's at the moment) are supported as well */ |
2253 | /* coro hv's (and only hv's at the moment) are supported as well */ |
… | |
… | |
2248 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
2347 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
2249 | } |
2348 | } |
2250 | else |
2349 | else |
2251 | { |
2350 | { |
2252 | struct coro *self = SvSTATE_current; |
2351 | struct coro *self = SvSTATE_current; |
|
|
2352 | |
|
|
2353 | if (!self) |
|
|
2354 | croak ("Coro::cancel called outside of thread content,"); |
2253 | |
2355 | |
2254 | /* otherwise we cancel directly, purely for speed reasons |
2356 | /* otherwise we cancel directly, purely for speed reasons |
2255 | * unfortunately, this requires some magic trickery, as |
2357 | * unfortunately, this requires some magic trickery, as |
2256 | * somebody else could cancel us, so we have to fight the cancellation. |
2358 | * somebody else could cancel us, so we have to fight the cancellation. |
2257 | * this is ugly, and hopefully fully worth the extra speed. |
2359 | * this is ugly, and hopefully fully worth the extra speed. |
… | |
… | |
2290 | safe_cancel (pTHX_ struct coro *coro, SV **arg, int items) |
2392 | safe_cancel (pTHX_ struct coro *coro, SV **arg, int items) |
2291 | { |
2393 | { |
2292 | if (coro->cctx) |
2394 | if (coro->cctx) |
2293 | croak ("coro inside C callback, unable to cancel at this time, caught"); |
2395 | croak ("coro inside C callback, unable to cancel at this time, caught"); |
2294 | |
2396 | |
2295 | if (coro->flags & CF_NEW) |
2397 | if (coro->flags & (CF_NEW | CF_ZOMBIE)) |
2296 | { |
2398 | { |
2297 | coro_set_status (aTHX_ coro, arg, items); |
2399 | coro_set_status (aTHX_ coro, arg, items); |
2298 | coro_state_destroy (aTHX_ coro); |
2400 | coro_state_destroy (aTHX_ coro); |
2299 | } |
2401 | } |
2300 | else |
2402 | else |
… | |
… | |
2367 | else |
2469 | else |
2368 | { |
2470 | { |
2369 | av_clear (GvAV (PL_defgv)); |
2471 | av_clear (GvAV (PL_defgv)); |
2370 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
2472 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
2371 | |
2473 | |
|
|
2474 | if (ecb_expect_false (coro->swap_sv)) |
|
|
2475 | { |
|
|
2476 | SWAP_SVS_LEAVE (coro); |
|
|
2477 | SvREFCNT_dec_NN (coro->swap_sv); |
|
|
2478 | coro->swap_sv = 0; |
|
|
2479 | } |
|
|
2480 | |
2372 | coro->prio = 0; |
2481 | coro->prio = 0; |
2373 | |
2482 | |
2374 | if (coro->cctx && (coro->cctx->flags & CC_TRACE)) |
2483 | if (ecb_expect_false (coro->cctx) && ecb_expect_false (coro->cctx->flags & CC_TRACE)) |
2375 | api_trace (aTHX_ coro_current, 0); |
2484 | api_trace (aTHX_ coro_current, 0); |
2376 | |
2485 | |
2377 | frame->prepare = prepare_schedule; |
2486 | frame->prepare = prepare_schedule; |
2378 | av_push (av_async_pool, SvREFCNT_inc (hv)); |
2487 | av_push (av_async_pool, SvREFCNT_inc_NN (hv)); |
2379 | } |
2488 | } |
2380 | } |
2489 | } |
2381 | else |
2490 | else |
2382 | { |
2491 | { |
2383 | /* first iteration, simply fall through */ |
2492 | /* first iteration, simply fall through */ |
… | |
… | |
2396 | static void |
2505 | static void |
2397 | coro_rouse_callback (pTHX_ CV *cv) |
2506 | coro_rouse_callback (pTHX_ CV *cv) |
2398 | { |
2507 | { |
2399 | dXSARGS; |
2508 | dXSARGS; |
2400 | SV *data = (SV *)S_GENSUB_ARG; |
2509 | SV *data = (SV *)S_GENSUB_ARG; |
|
|
2510 | SV *coro = SvRV (data); |
2401 | |
2511 | |
|
|
2512 | /* data starts being either undef or a coro, and is replaced by the results when done */ |
2402 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2513 | if (SvTYPE (coro) != SVt_PVAV) |
2403 | { |
2514 | { |
2404 | /* first call, set args */ |
2515 | /* first call, set args */ |
2405 | SV *coro = SvRV (data); |
|
|
2406 | AV *av = newAV (); |
|
|
2407 | |
2516 | |
2408 | SvRV_set (data, (SV *)av); |
2517 | assert (&ST (0) < &ST (1)); /* ensure the stack is in the order we expect it to be */ |
|
|
2518 | SvRV_set (data, (SV *)av_make (items, &ST (0))); /* av_make copies the SVs */ |
2409 | |
2519 | |
2410 | /* better take a full copy of the arguments */ |
2520 | if (coro != &PL_sv_undef) |
2411 | while (items--) |
2521 | { |
2412 | av_store (av, items, newSVsv (ST (items))); |
|
|
2413 | |
|
|
2414 | api_ready (aTHX_ coro); |
2522 | api_ready (aTHX_ coro); |
2415 | SvREFCNT_dec (coro); |
2523 | SvREFCNT_dec_NN (coro); |
|
|
2524 | } |
2416 | } |
2525 | } |
2417 | |
2526 | |
2418 | XSRETURN_EMPTY; |
2527 | XSRETURN_EMPTY; |
2419 | } |
2528 | } |
2420 | |
2529 | |
… | |
… | |
2437 | |
2546 | |
2438 | EXTEND (SP, AvFILLp (av) + 1); |
2547 | EXTEND (SP, AvFILLp (av) + 1); |
2439 | for (i = 0; i <= AvFILLp (av); ++i) |
2548 | for (i = 0; i <= AvFILLp (av); ++i) |
2440 | PUSHs (sv_2mortal (AvARRAY (av)[i])); |
2549 | PUSHs (sv_2mortal (AvARRAY (av)[i])); |
2441 | |
2550 | |
2442 | /* we have stolen the elements, so set length to zero and free */ |
2551 | /* we have stolen the elements, make it unreal and free */ |
2443 | AvFILLp (av) = -1; |
2552 | AvREAL_off (av); |
2444 | av_undef (av); |
2553 | av_undef (av); |
2445 | |
2554 | |
2446 | PUTBACK; |
2555 | PUTBACK; |
2447 | } |
2556 | } |
2448 | |
2557 | |
… | |
… | |
2473 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2582 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2474 | |
2583 | |
2475 | { |
2584 | { |
2476 | CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ |
2585 | CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ |
2477 | SV *data = (SV *)S_GENSUB_ARG; |
2586 | SV *data = (SV *)S_GENSUB_ARG; |
|
|
2587 | int data_ready = SvTYPE (SvRV (data)) == SVt_PVAV; |
|
|
2588 | |
|
|
2589 | /* if there is no data, we need to store the current coro in the reference so we can be woken up */ |
|
|
2590 | if (!data_ready) |
|
|
2591 | if (SvRV (data) != &PL_sv_undef) |
|
|
2592 | croak ("Coro::rouse_wait was called on a calback that is already being waited for - only one thread can wait for a rouse callback, caught"); |
|
|
2593 | else |
|
|
2594 | SvRV_set (data, SvREFCNT_inc_NN (SvRV (coro_current))); |
2478 | |
2595 | |
2479 | frame->data = (void *)data; |
2596 | frame->data = (void *)data; |
2480 | frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule; |
2597 | frame->prepare = data_ready ? prepare_nop : prepare_schedule; |
2481 | frame->check = slf_check_rouse_wait; |
2598 | frame->check = slf_check_rouse_wait; |
2482 | } |
2599 | } |
2483 | } |
2600 | } |
2484 | |
2601 | |
2485 | static SV * |
2602 | static SV * |
2486 | coro_new_rouse_cb (pTHX) |
2603 | coro_new_rouse_cb (pTHX) |
2487 | { |
2604 | { |
2488 | HV *hv = (HV *)SvRV (coro_current); |
2605 | HV *hv = (HV *)SvRV (coro_current); |
2489 | struct coro *coro = SvSTATE_hv (hv); |
2606 | struct coro *coro = SvSTATE_hv (hv); |
2490 | SV *data = newRV_inc ((SV *)hv); |
2607 | SV *data = newRV_noinc (&PL_sv_undef); |
2491 | SV *cb = s_gensub (aTHX_ coro_rouse_callback, (void *)data); |
2608 | SV *cb = s_gensub (aTHX_ coro_rouse_callback, (void *)data); |
2492 | |
2609 | |
2493 | sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0); |
2610 | sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0); |
2494 | SvREFCNT_dec (data); /* magicext increases the refcount */ |
2611 | SvREFCNT_dec_NN (data); /* magicext increases the refcount */ |
2495 | |
2612 | |
2496 | SvREFCNT_dec (coro->rouse_cb); |
2613 | SvREFCNT_dec (coro->rouse_cb); |
2497 | coro->rouse_cb = SvREFCNT_inc_NN (cb); |
2614 | coro->rouse_cb = SvREFCNT_inc_NN (cb); |
2498 | |
2615 | |
2499 | return cb; |
2616 | return cb; |
… | |
… | |
2599 | |
2716 | |
2600 | /* "undo"/cancel a running slf call - used when cancelling a coro, mainly */ |
2717 | /* "undo"/cancel a running slf call - used when cancelling a coro, mainly */ |
2601 | static void |
2718 | static void |
2602 | slf_destroy (pTHX_ struct coro *coro) |
2719 | slf_destroy (pTHX_ struct coro *coro) |
2603 | { |
2720 | { |
2604 | /* this callback is reserved for slf functions needing to do cleanup */ |
2721 | struct CoroSLF frame = coro->slf_frame; |
2605 | if (coro->slf_frame.destroy && coro->slf_frame.prepare && !PL_dirty) |
|
|
2606 | coro->slf_frame.destroy (aTHX_ &coro->slf_frame); |
|
|
2607 | |
2722 | |
2608 | /* |
2723 | /* |
2609 | * The on_destroy above most likely is from an SLF call. |
2724 | * The on_destroy below most likely is from an SLF call. |
2610 | * Since by definition the SLF call will not finish when we destroy |
2725 | * Since by definition the SLF call will not finish when we destroy |
2611 | * the coro, we will have to force-finish it here, otherwise |
2726 | * the coro, we will have to force-finish it here, otherwise |
2612 | * cleanup functions cannot call SLF functions. |
2727 | * cleanup functions cannot call SLF functions. |
2613 | */ |
2728 | */ |
2614 | coro->slf_frame.prepare = 0; |
2729 | coro->slf_frame.prepare = 0; |
|
|
2730 | |
|
|
2731 | /* this callback is reserved for slf functions needing to do cleanup */ |
|
|
2732 | if (frame.destroy && frame.prepare && !PL_dirty) |
|
|
2733 | frame.destroy (aTHX_ &frame); |
2615 | } |
2734 | } |
2616 | |
2735 | |
2617 | /* |
2736 | /* |
2618 | * these not obviously related functions are all rolled into one |
2737 | * these not obviously related functions are all rolled into one |
2619 | * function to increase chances that they all will call transfer with the same |
2738 | * function to increase chances that they all will call transfer with the same |
… | |
… | |
2802 | static void |
2921 | static void |
2803 | coro_pop_on_leave (pTHX_ void *coro) |
2922 | coro_pop_on_leave (pTHX_ void *coro) |
2804 | { |
2923 | { |
2805 | SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_leave); |
2924 | SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_leave); |
2806 | on_enterleave_call (aTHX_ sv_2mortal (cb)); |
2925 | on_enterleave_call (aTHX_ sv_2mortal (cb)); |
|
|
2926 | } |
|
|
2927 | |
|
|
2928 | static void |
|
|
2929 | enterleave_hook_xs (pTHX_ struct coro *coro, AV **avp, coro_enterleave_hook hook, void *arg) |
|
|
2930 | { |
|
|
2931 | if (!hook) |
|
|
2932 | return; |
|
|
2933 | |
|
|
2934 | if (!*avp) |
|
|
2935 | { |
|
|
2936 | *avp = newAV (); |
|
|
2937 | AvREAL_off (*avp); |
|
|
2938 | } |
|
|
2939 | |
|
|
2940 | av_push (*avp, (SV *)hook); |
|
|
2941 | av_push (*avp, (SV *)arg); |
|
|
2942 | } |
|
|
2943 | |
|
|
2944 | static void |
|
|
2945 | enterleave_unhook_xs (pTHX_ struct coro *coro, AV **avp, coro_enterleave_hook hook, int execute) |
|
|
2946 | { |
|
|
2947 | AV *av = *avp; |
|
|
2948 | int i; |
|
|
2949 | |
|
|
2950 | if (!av) |
|
|
2951 | return; |
|
|
2952 | |
|
|
2953 | for (i = AvFILLp (av) - 1; i >= 0; i -= 2) |
|
|
2954 | if (AvARRAY (av)[i] == (SV *)hook) |
|
|
2955 | { |
|
|
2956 | if (execute) |
|
|
2957 | hook (aTHX_ (void *)AvARRAY (av)[i + 1]); |
|
|
2958 | |
|
|
2959 | memmove (AvARRAY (av) + i, AvARRAY (av) + i + 2, AvFILLp (av) - i - 1); |
|
|
2960 | av_pop (av); |
|
|
2961 | av_pop (av); |
|
|
2962 | break; |
|
|
2963 | } |
|
|
2964 | |
|
|
2965 | if (AvFILLp (av) >= 0) |
|
|
2966 | { |
|
|
2967 | *avp = 0; |
|
|
2968 | SvREFCNT_dec_NN (av); |
|
|
2969 | } |
|
|
2970 | } |
|
|
2971 | |
|
|
2972 | static void |
|
|
2973 | api_enterleave_hook (pTHX_ SV *coro_sv, coro_enterleave_hook enter, void *enter_arg, coro_enterleave_hook leave, void *leave_arg) |
|
|
2974 | { |
|
|
2975 | struct coro *coro = SvSTATE (coro_sv); |
|
|
2976 | |
|
|
2977 | if (SvSTATE_current == coro) |
|
|
2978 | if (enter) |
|
|
2979 | enter (aTHX_ enter_arg); |
|
|
2980 | |
|
|
2981 | enterleave_hook_xs (aTHX_ coro, &coro->on_enter_xs, enter, enter_arg); |
|
|
2982 | enterleave_hook_xs (aTHX_ coro, &coro->on_leave_xs, leave, leave_arg); |
|
|
2983 | } |
|
|
2984 | |
|
|
2985 | static void |
|
|
2986 | api_enterleave_unhook (pTHX_ SV *coro_sv, coro_enterleave_hook enter, coro_enterleave_hook leave) |
|
|
2987 | { |
|
|
2988 | struct coro *coro = SvSTATE (coro_sv); |
|
|
2989 | |
|
|
2990 | enterleave_unhook_xs (aTHX_ coro, &coro->on_enter_xs, enter, 0); |
|
|
2991 | enterleave_unhook_xs (aTHX_ coro, &coro->on_leave_xs, leave, SvSTATE_current == coro); |
|
|
2992 | } |
|
|
2993 | |
|
|
2994 | static void |
|
|
2995 | savedestructor_unhook_enter (pTHX_ coro_enterleave_hook enter) |
|
|
2996 | { |
|
|
2997 | struct coro *coro = SvSTATE_current; |
|
|
2998 | |
|
|
2999 | enterleave_unhook_xs (aTHX_ coro, &coro->on_enter_xs, enter, 0); |
|
|
3000 | } |
|
|
3001 | |
|
|
3002 | static void |
|
|
3003 | savedestructor_unhook_leave (pTHX_ coro_enterleave_hook leave) |
|
|
3004 | { |
|
|
3005 | struct coro *coro = SvSTATE_current; |
|
|
3006 | |
|
|
3007 | enterleave_unhook_xs (aTHX_ coro, &coro->on_leave_xs, leave, 1); |
|
|
3008 | } |
|
|
3009 | |
|
|
3010 | static void |
|
|
3011 | api_enterleave_scope_hook (pTHX_ coro_enterleave_hook enter, void *enter_arg, coro_enterleave_hook leave, void *leave_arg) |
|
|
3012 | { |
|
|
3013 | api_enterleave_hook (aTHX_ coro_current, enter, enter_arg, leave, leave_arg); |
|
|
3014 | |
|
|
3015 | /* this ought to be much cheaper than malloc + a single destructor call */ |
|
|
3016 | if (enter) SAVEDESTRUCTOR_X (savedestructor_unhook_enter, enter); |
|
|
3017 | if (leave) SAVEDESTRUCTOR_X (savedestructor_unhook_leave, leave); |
2807 | } |
3018 | } |
2808 | |
3019 | |
2809 | /*****************************************************************************/ |
3020 | /*****************************************************************************/ |
2810 | /* PerlIO::cede */ |
3021 | /* PerlIO::cede */ |
2811 | |
3022 | |
… | |
… | |
2941 | XPUSHs (sv_2mortal (newRV_inc ((SV *)av))); |
3152 | XPUSHs (sv_2mortal (newRV_inc ((SV *)av))); |
2942 | PUTBACK; |
3153 | PUTBACK; |
2943 | call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR); |
3154 | call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR); |
2944 | } |
3155 | } |
2945 | |
3156 | |
2946 | SvREFCNT_dec (cb); |
3157 | SvREFCNT_dec_NN (cb); |
2947 | } |
3158 | } |
2948 | } |
3159 | } |
2949 | |
3160 | |
2950 | static void |
3161 | static void |
2951 | coro_semaphore_destroy (pTHX_ struct CoroSLF *frame) |
3162 | coro_semaphore_destroy (pTHX_ struct CoroSLF *frame) |
… | |
… | |
2959 | { |
3170 | { |
2960 | AV *av = (AV *)frame->data; |
3171 | AV *av = (AV *)frame->data; |
2961 | SV *count_sv = AvARRAY (av)[0]; |
3172 | SV *count_sv = AvARRAY (av)[0]; |
2962 | SV *coro_hv = SvRV (coro_current); |
3173 | SV *coro_hv = SvRV (coro_current); |
2963 | |
3174 | |
|
|
3175 | frame->destroy = 0; |
|
|
3176 | |
2964 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
3177 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2965 | if (CORO_THROW) |
3178 | if (ecb_expect_false (CORO_THROW)) |
|
|
3179 | { |
|
|
3180 | /* we still might be responsible for the semaphore, so wake up others */ |
|
|
3181 | coro_semaphore_adjust (aTHX_ av, 0); |
|
|
3182 | |
2966 | return 0; |
3183 | return 0; |
|
|
3184 | } |
2967 | else if (SvIVX (count_sv) > 0) |
3185 | else if (SvIVX (count_sv) > 0) |
2968 | { |
3186 | { |
2969 | frame->destroy = 0; |
|
|
2970 | |
|
|
2971 | if (acquire) |
3187 | if (acquire) |
2972 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
3188 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2973 | else |
3189 | else |
2974 | coro_semaphore_adjust (aTHX_ av, 0); |
3190 | coro_semaphore_adjust (aTHX_ av, 0); |
2975 | |
3191 | |
… | |
… | |
3086 | { |
3302 | { |
3087 | api_ready (aTHX_ cb); |
3303 | api_ready (aTHX_ cb); |
3088 | sv_setiv (cb, 0); /* signal waiter */ |
3304 | sv_setiv (cb, 0); /* signal waiter */ |
3089 | } |
3305 | } |
3090 | |
3306 | |
3091 | SvREFCNT_dec (cb); |
3307 | SvREFCNT_dec_NN (cb); |
3092 | |
3308 | |
3093 | --count; |
3309 | --count; |
3094 | } |
3310 | } |
3095 | } |
3311 | } |
3096 | |
3312 | |
… | |
… | |
3181 | } |
3397 | } |
3182 | |
3398 | |
3183 | av_push (state, data_sv); |
3399 | av_push (state, data_sv); |
3184 | |
3400 | |
3185 | api_ready (aTHX_ coro); |
3401 | api_ready (aTHX_ coro); |
3186 | SvREFCNT_dec (coro); |
3402 | SvREFCNT_dec_NN (coro); |
3187 | SvREFCNT_dec ((AV *)state); |
3403 | SvREFCNT_dec_NN ((AV *)state); |
3188 | } |
3404 | } |
3189 | |
3405 | |
3190 | static int |
3406 | static int |
3191 | slf_check_aio_req (pTHX_ struct CoroSLF *frame) |
3407 | slf_check_aio_req (pTHX_ struct CoroSLF *frame) |
3192 | { |
3408 | { |
… | |
… | |
3197 | /* it quickly returns */ |
3413 | /* it quickly returns */ |
3198 | if (CORO_THROW) |
3414 | if (CORO_THROW) |
3199 | return 0; |
3415 | return 0; |
3200 | |
3416 | |
3201 | /* one element that is an RV? repeat! */ |
3417 | /* one element that is an RV? repeat! */ |
3202 | if (AvFILLp (state) == 0 && SvROK (AvARRAY (state)[0])) |
3418 | if (AvFILLp (state) == 0 && SvTYPE (AvARRAY (state)[0]) != SVt_PV) |
3203 | return 1; |
3419 | return 1; |
3204 | |
3420 | |
3205 | /* restore status */ |
3421 | /* restore status */ |
3206 | { |
3422 | { |
3207 | SV *data_sv = av_pop (state); |
3423 | SV *data_sv = av_pop (state); |
… | |
… | |
3210 | errno = data->errorno; |
3426 | errno = data->errorno; |
3211 | PL_laststype = data->laststype; |
3427 | PL_laststype = data->laststype; |
3212 | PL_laststatval = data->laststatval; |
3428 | PL_laststatval = data->laststatval; |
3213 | PL_statcache = data->statcache; |
3429 | PL_statcache = data->statcache; |
3214 | |
3430 | |
3215 | SvREFCNT_dec (data_sv); |
3431 | SvREFCNT_dec_NN (data_sv); |
3216 | } |
3432 | } |
3217 | |
3433 | |
3218 | /* push result values */ |
3434 | /* push result values */ |
3219 | { |
3435 | { |
3220 | dSP; |
3436 | dSP; |
… | |
… | |
3407 | save = POPs; save_ptr = SvPVbyte (save, save_len); |
3623 | save = POPs; save_ptr = SvPVbyte (save, save_len); |
3408 | load = POPs; load_ptr = SvPVbyte (load, load_len); |
3624 | load = POPs; load_ptr = SvPVbyte (load, load_len); |
3409 | |
3625 | |
3410 | map_len = load_len + save_len + 16; |
3626 | map_len = load_len + save_len + 16; |
3411 | |
3627 | |
3412 | map_base = mmap (0, map_len, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); |
3628 | map_base = mmap (0, map_len, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); |
3413 | |
3629 | |
3414 | assert (("Coro: unable to mmap jit code page, cannot continue.", map_base != (char *)MAP_FAILED)); |
3630 | assert (("Coro: unable to mmap jit code page, cannot continue.", map_base != (char *)MAP_FAILED)); |
3415 | |
3631 | |
3416 | load_perl_slots = (load_save_perl_slots_type)map_base; |
3632 | load_perl_slots = (load_save_perl_slots_type)map_base; |
3417 | memcpy (map_base, load_ptr, load_len); |
3633 | memcpy (load_perl_slots, load_ptr, load_len); |
3418 | |
3634 | |
3419 | map_base += (load_len + 15) & ~15; |
|
|
3420 | |
|
|
3421 | save_perl_slots = (load_save_perl_slots_type)map_base; |
3635 | save_perl_slots = (load_save_perl_slots_type)(map_base + ((load_len + 15) & ~15)); |
3422 | memcpy (map_base, save_ptr, save_len); |
3636 | memcpy (save_perl_slots, save_ptr, save_len); |
3423 | |
3637 | |
3424 | /* we are good citizens and try to make the page read-only, so the evil evil */ |
3638 | /* we are good citizens and try to make the page read-only, so the evil evil */ |
3425 | /* hackers might have it a bit more difficult */ |
3639 | /* hackers might have it a bit more difficult */ |
|
|
3640 | /* we do this in two steps, to potentially appease some security frameworks */ |
|
|
3641 | mprotect (map_base, map_len, PROT_READ); |
3426 | mprotect (map_base, map_len, PROT_READ | PROT_EXEC); |
3642 | mprotect (map_base, map_len, PROT_READ | PROT_EXEC); |
3427 | |
3643 | |
3428 | PUTBACK; |
3644 | PUTBACK; |
3429 | eval_pv ("undef &Coro::State::_jit", 1); |
3645 | eval_pv ("undef &Coro::State::_jit", 1); |
3430 | } |
3646 | } |
… | |
… | |
3435 | |
3651 | |
3436 | PROTOTYPES: DISABLE |
3652 | PROTOTYPES: DISABLE |
3437 | |
3653 | |
3438 | BOOT: |
3654 | BOOT: |
3439 | { |
3655 | { |
|
|
3656 | #define VARx(name,expr,type) if (sizeof (type) < sizeof (expr)) croak ("FATAL: Coro thread context slot '" # name "' too small for this version of perl."); |
|
|
3657 | #include "state.h" |
3440 | #ifdef USE_ITHREADS |
3658 | #ifdef USE_ITHREADS |
3441 | # if CORO_PTHREAD |
3659 | # if CORO_PTHREAD |
3442 | coro_thx = PERL_GET_CONTEXT; |
3660 | coro_thx = PERL_GET_CONTEXT; |
3443 | # endif |
3661 | # endif |
3444 | #endif |
3662 | #endif |
3445 | BOOT_PAGESIZE; |
|
|
3446 | |
|
|
3447 | /* perl defines these to check for existance first, but why it doesn't */ |
3663 | /* perl defines these to check for existance first, but why it doesn't */ |
3448 | /* just create them one at init time is not clear to me, except for */ |
3664 | /* just create them one at init time is not clear to me, except for */ |
3449 | /* programs trying to delete them, but... */ |
3665 | /* programs trying to delete them, but... */ |
3450 | /* anyway, we declare this as invalid and make sure they are initialised here */ |
3666 | /* anyway, we declare this as invalid and make sure they are initialised here */ |
3451 | DEFSV; |
3667 | DEFSV; |
… | |
… | |
3454 | cctx_current = cctx_new_empty (); |
3670 | cctx_current = cctx_new_empty (); |
3455 | |
3671 | |
3456 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3672 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3457 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3673 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3458 | |
3674 | |
3459 | orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get; |
3675 | { |
3460 | orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set; |
3676 | /* |
3461 | orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr; |
3677 | * we provide a vtbvl for %SIG magic that replaces PL_vtbl_sig |
|
|
3678 | * by coro_sig_vtbl in hash values. |
|
|
3679 | */ |
|
|
3680 | MAGIC *mg = mg_find ((SV *)GvHV (gv_fetchpv ("SIG", GV_ADD | GV_NOTQUAL, SVt_PVHV)), PERL_MAGIC_sig); |
|
|
3681 | |
|
|
3682 | /* this only works if perl doesn't have a vtbl for %SIG */ |
|
|
3683 | assert (!mg->mg_virtual); |
|
|
3684 | |
|
|
3685 | /* |
|
|
3686 | * The irony is that the perl API itself asserts that mg_virtual |
|
|
3687 | * must be non-const, yet perl5porters insisted on marking their |
|
|
3688 | * vtbls as read-only, just to thwart perl modules from patching |
|
|
3689 | * them. |
|
|
3690 | */ |
|
|
3691 | mg->mg_virtual = (MGVTBL *)&coro_sig_vtbl; |
|
|
3692 | mg->mg_flags |= MGf_COPY; |
|
|
3693 | |
|
|
3694 | coro_sigelem_vtbl = PL_vtbl_sigelem; |
|
|
3695 | coro_sigelem_vtbl.svt_get = coro_sigelem_get; |
|
|
3696 | coro_sigelem_vtbl.svt_set = coro_sigelem_set; |
|
|
3697 | coro_sigelem_vtbl.svt_clear = coro_sigelem_clr; |
|
|
3698 | } |
3462 | |
3699 | |
3463 | hv_sig = coro_get_hv (aTHX_ "SIG", TRUE); |
|
|
3464 | rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV)); |
3700 | rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV)); |
3465 | rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV)); |
3701 | rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV)); |
3466 | |
3702 | |
3467 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
3703 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
|
|
3704 | |
|
|
3705 | newCONSTSUB (coro_state_stash, "BACKEND", newSVpv (CORO_BACKEND, 0)); /* undocumented */ |
3468 | |
3706 | |
3469 | newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE)); |
3707 | newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE)); |
3470 | newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB)); |
3708 | newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB)); |
3471 | newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE)); |
3709 | newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE)); |
3472 | newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL)); |
3710 | newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL)); |
… | |
… | |
3521 | void |
3759 | void |
3522 | transfer (...) |
3760 | transfer (...) |
3523 | PROTOTYPE: $$ |
3761 | PROTOTYPE: $$ |
3524 | CODE: |
3762 | CODE: |
3525 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3763 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3526 | |
|
|
3527 | void |
|
|
3528 | _exit (int code) |
|
|
3529 | PROTOTYPE: $ |
|
|
3530 | CODE: |
|
|
3531 | _exit (code); |
|
|
3532 | |
3764 | |
3533 | SV * |
3765 | SV * |
3534 | clone (Coro::State coro) |
3766 | clone (Coro::State coro) |
3535 | CODE: |
3767 | CODE: |
3536 | { |
3768 | { |
… | |
… | |
3591 | void |
3823 | void |
3592 | list () |
3824 | list () |
3593 | PROTOTYPE: |
3825 | PROTOTYPE: |
3594 | PPCODE: |
3826 | PPCODE: |
3595 | { |
3827 | { |
3596 | struct coro *coro; |
3828 | struct coro *coro; |
3597 | for (coro = coro_first; coro; coro = coro->next) |
3829 | for (coro = coro_first; coro; coro = coro->next) |
3598 | if (coro->hv) |
3830 | if (coro->hv) |
3599 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
3831 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
3600 | } |
3832 | } |
3601 | |
3833 | |
… | |
… | |
3603 | call (Coro::State coro, SV *coderef) |
3835 | call (Coro::State coro, SV *coderef) |
3604 | ALIAS: |
3836 | ALIAS: |
3605 | eval = 1 |
3837 | eval = 1 |
3606 | CODE: |
3838 | CODE: |
3607 | { |
3839 | { |
|
|
3840 | struct coro *current = SvSTATE_current; |
|
|
3841 | |
3608 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
3842 | if ((coro == current) || (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot))) |
3609 | { |
3843 | { |
3610 | struct coro *current = SvSTATE_current; |
|
|
3611 | struct CoroSLF slf_save; |
3844 | struct CoroSLF slf_save; |
3612 | |
3845 | |
3613 | if (current != coro) |
3846 | if (current != coro) |
3614 | { |
3847 | { |
3615 | PUTBACK; |
3848 | PUTBACK; |
… | |
… | |
3763 | |
3996 | |
3764 | void |
3997 | void |
3765 | times (Coro::State self) |
3998 | times (Coro::State self) |
3766 | PPCODE: |
3999 | PPCODE: |
3767 | { |
4000 | { |
3768 | struct coro *current = SvSTATE (coro_current); |
4001 | struct coro *current = SvSTATE (coro_current); |
3769 | |
4002 | |
3770 | if (ecb_expect_false (current == self)) |
4003 | if (ecb_expect_false (current == self)) |
3771 | { |
4004 | { |
3772 | coro_times_update (); |
4005 | coro_times_update (); |
3773 | coro_times_add (SvSTATE (coro_current)); |
4006 | coro_times_add (SvSTATE (coro_current)); |
… | |
… | |
3780 | if (ecb_expect_false (current == self)) |
4013 | if (ecb_expect_false (current == self)) |
3781 | coro_times_sub (SvSTATE (coro_current)); |
4014 | coro_times_sub (SvSTATE (coro_current)); |
3782 | } |
4015 | } |
3783 | |
4016 | |
3784 | void |
4017 | void |
3785 | swap_sv (Coro::State coro, SV *sv, SV *swapsv) |
4018 | swap_sv (Coro::State coro, SV *sva, SV *svb) |
3786 | CODE: |
4019 | CODE: |
3787 | { |
4020 | { |
3788 | struct coro *current = SvSTATE_current; |
4021 | struct coro *current = SvSTATE_current; |
|
|
4022 | AV *swap_sv; |
|
|
4023 | int i; |
|
|
4024 | |
|
|
4025 | sva = SvRV (sva); |
|
|
4026 | svb = SvRV (svb); |
3789 | |
4027 | |
3790 | if (current == coro) |
4028 | if (current == coro) |
3791 | SWAP_SVS (current); |
4029 | SWAP_SVS_LEAVE (current); |
3792 | |
4030 | |
3793 | if (!coro->swap_sv) |
4031 | if (!coro->swap_sv) |
3794 | coro->swap_sv = newAV (); |
4032 | coro->swap_sv = newAV (); |
3795 | |
4033 | |
|
|
4034 | swap_sv = coro->swap_sv; |
|
|
4035 | |
|
|
4036 | for (i = AvFILLp (swap_sv) - 1; i >= 0; i -= 2) |
|
|
4037 | { |
|
|
4038 | SV *a = AvARRAY (swap_sv)[i ]; |
|
|
4039 | SV *b = AvARRAY (swap_sv)[i + 1]; |
|
|
4040 | |
|
|
4041 | if (a == sva && b == svb) |
|
|
4042 | { |
|
|
4043 | SvREFCNT_dec_NN (a); |
|
|
4044 | SvREFCNT_dec_NN (b); |
|
|
4045 | |
|
|
4046 | for (; i <= AvFILLp (swap_sv) - 2; i++) |
|
|
4047 | AvARRAY (swap_sv)[i] = AvARRAY (swap_sv)[i + 2]; |
|
|
4048 | |
|
|
4049 | AvFILLp (swap_sv) -= 2; |
|
|
4050 | |
|
|
4051 | goto removed; |
|
|
4052 | } |
|
|
4053 | } |
|
|
4054 | |
3796 | av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (sv ))); |
4055 | av_push (swap_sv, SvREFCNT_inc_NN (sva)); |
3797 | av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (swapsv))); |
4056 | av_push (swap_sv, SvREFCNT_inc_NN (svb)); |
|
|
4057 | |
|
|
4058 | removed: |
3798 | |
4059 | |
3799 | if (current == coro) |
4060 | if (current == coro) |
3800 | SWAP_SVS (current); |
4061 | SWAP_SVS_ENTER (current); |
3801 | } |
4062 | } |
3802 | |
4063 | |
3803 | |
4064 | |
3804 | MODULE = Coro::State PACKAGE = Coro |
4065 | MODULE = Coro::State PACKAGE = Coro |
3805 | |
4066 | |
3806 | BOOT: |
4067 | BOOT: |
3807 | { |
4068 | { |
|
|
4069 | if (SVt_LAST > 32) |
|
|
4070 | croak ("Coro internal error: SVt_LAST > 32, swap_sv might need adjustment"); |
|
|
4071 | |
3808 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
4072 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3809 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
4073 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3810 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
4074 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
3811 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
4075 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
3812 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
4076 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
… | |
… | |
3838 | coroapi.ready = api_ready; |
4102 | coroapi.ready = api_ready; |
3839 | coroapi.is_ready = api_is_ready; |
4103 | coroapi.is_ready = api_is_ready; |
3840 | coroapi.nready = coro_nready; |
4104 | coroapi.nready = coro_nready; |
3841 | coroapi.current = coro_current; |
4105 | coroapi.current = coro_current; |
3842 | |
4106 | |
|
|
4107 | coroapi.enterleave_hook = api_enterleave_hook; |
|
|
4108 | coroapi.enterleave_unhook = api_enterleave_unhook; |
|
|
4109 | coroapi.enterleave_scope_hook = api_enterleave_scope_hook; |
|
|
4110 | |
3843 | /*GCoroAPI = &coroapi;*/ |
4111 | /*GCoroAPI = &coroapi;*/ |
3844 | sv_setiv (sv, (IV)&coroapi); |
4112 | sv_setiv (sv, PTR2IV (&coroapi)); |
3845 | SvREADONLY_on (sv); |
4113 | SvREADONLY_on (sv); |
3846 | } |
4114 | } |
3847 | } |
4115 | } |
3848 | |
4116 | |
3849 | SV * |
4117 | SV * |
… | |
… | |
3912 | |
4180 | |
3913 | void |
4181 | void |
3914 | _set_current (SV *current) |
4182 | _set_current (SV *current) |
3915 | PROTOTYPE: $ |
4183 | PROTOTYPE: $ |
3916 | CODE: |
4184 | CODE: |
3917 | SvREFCNT_dec (SvRV (coro_current)); |
4185 | SvREFCNT_dec_NN (SvRV (coro_current)); |
3918 | SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current))); |
4186 | SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current))); |
3919 | |
4187 | |
3920 | void |
4188 | void |
3921 | _set_readyhook (SV *hook) |
4189 | _set_readyhook (SV *hook) |
3922 | PROTOTYPE: $ |
4190 | PROTOTYPE: $ |
… | |
… | |
4006 | |
4274 | |
4007 | if ((SV *)hv == &PL_sv_undef) |
4275 | if ((SV *)hv == &PL_sv_undef) |
4008 | { |
4276 | { |
4009 | SV *sv = coro_new (aTHX_ coro_stash, (SV **)&cv_pool_handler, 1, 1); |
4277 | SV *sv = coro_new (aTHX_ coro_stash, (SV **)&cv_pool_handler, 1, 1); |
4010 | hv = (HV *)SvREFCNT_inc_NN (SvRV (sv)); |
4278 | hv = (HV *)SvREFCNT_inc_NN (SvRV (sv)); |
4011 | SvREFCNT_dec (sv); |
4279 | SvREFCNT_dec_NN (sv); |
4012 | } |
4280 | } |
4013 | |
4281 | |
4014 | { |
4282 | { |
4015 | struct coro *coro = SvSTATE_hv (hv); |
4283 | struct coro *coro = SvSTATE_hv (hv); |
4016 | |
4284 | |
… | |
… | |
4023 | api_ready (aTHX_ (SV *)hv); |
4291 | api_ready (aTHX_ (SV *)hv); |
4024 | |
4292 | |
4025 | if (GIMME_V != G_VOID) |
4293 | if (GIMME_V != G_VOID) |
4026 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv))); |
4294 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv))); |
4027 | else |
4295 | else |
4028 | SvREFCNT_dec (hv); |
4296 | SvREFCNT_dec_NN (hv); |
4029 | } |
4297 | } |
4030 | |
4298 | |
4031 | SV * |
4299 | SV * |
4032 | rouse_cb () |
4300 | rouse_cb () |
4033 | PROTOTYPE: |
4301 | PROTOTYPE: |
… | |
… | |
4048 | on_leave = 1 |
4316 | on_leave = 1 |
4049 | PROTOTYPE: & |
4317 | PROTOTYPE: & |
4050 | CODE: |
4318 | CODE: |
4051 | { |
4319 | { |
4052 | struct coro *coro = SvSTATE_current; |
4320 | struct coro *coro = SvSTATE_current; |
4053 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
4321 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
4054 | |
4322 | |
4055 | block = s_get_cv_croak (block); |
4323 | block = s_get_cv_croak (block); |
4056 | |
4324 | |
4057 | if (!*avp) |
4325 | if (!*avp) |
4058 | *avp = newAV (); |
4326 | *avp = newAV (); |
… | |
… | |
4078 | |
4346 | |
4079 | SV * |
4347 | SV * |
4080 | new (SV *klass, SV *count = 0) |
4348 | new (SV *klass, SV *count = 0) |
4081 | CODE: |
4349 | CODE: |
4082 | { |
4350 | { |
4083 | int semcnt = 1; |
4351 | int semcnt = 1; |
4084 | |
4352 | |
4085 | if (count) |
4353 | if (count) |
4086 | { |
4354 | { |
4087 | SvGETMAGIC (count); |
4355 | SvGETMAGIC (count); |
4088 | |
4356 | |
… | |
… | |
4112 | RETVAL = newSVsv (AvARRAY ((AV *)SvRV (self))[0]); |
4380 | RETVAL = newSVsv (AvARRAY ((AV *)SvRV (self))[0]); |
4113 | OUTPUT: |
4381 | OUTPUT: |
4114 | RETVAL |
4382 | RETVAL |
4115 | |
4383 | |
4116 | void |
4384 | void |
4117 | up (SV *self, int adjust = 1) |
4385 | up (SV *self) |
4118 | ALIAS: |
|
|
4119 | adjust = 1 |
|
|
4120 | CODE: |
4386 | CODE: |
|
|
4387 | coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), 1); |
|
|
4388 | |
|
|
4389 | void |
|
|
4390 | adjust (SV *self, int adjust) |
|
|
4391 | CODE: |
4121 | coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), ix ? adjust : 1); |
4392 | coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), adjust); |
4122 | |
4393 | |
4123 | void |
4394 | void |
4124 | down (...) |
4395 | down (...) |
4125 | CODE: |
4396 | CODE: |
4126 | CORO_EXECUTE_SLF_XS (slf_init_semaphore_down); |
4397 | CORO_EXECUTE_SLF_XS (slf_init_semaphore_down); |
… | |
… | |
4148 | XSRETURN_NO; |
4419 | XSRETURN_NO; |
4149 | } |
4420 | } |
4150 | |
4421 | |
4151 | void |
4422 | void |
4152 | waiters (SV *self) |
4423 | waiters (SV *self) |
4153 | PPCODE: |
4424 | PPCODE: |
4154 | { |
4425 | { |
4155 | AV *av = (AV *)SvRV (self); |
4426 | AV *av = (AV *)SvRV (self); |
4156 | int wcount = AvFILLp (av) + 1 - 1; |
4427 | int wcount = AvFILLp (av) + 1 - 1; |
4157 | |
4428 | |
4158 | if (GIMME_V == G_SCALAR) |
4429 | if (GIMME_V == G_SCALAR) |
… | |
… | |
4170 | |
4441 | |
4171 | void |
4442 | void |
4172 | _may_delete (SV *sem, int count, unsigned int extra_refs) |
4443 | _may_delete (SV *sem, int count, unsigned int extra_refs) |
4173 | PPCODE: |
4444 | PPCODE: |
4174 | { |
4445 | { |
4175 | AV *av = (AV *)SvRV (sem); |
4446 | AV *av = (AV *)SvRV (sem); |
4176 | |
4447 | |
4177 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
4448 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
4178 | && AvFILLp (av) == 0 /* no waiters, just count */ |
4449 | && AvFILLp (av) == 0 /* no waiters, just count */ |
4179 | && SvIV (AvARRAY (av)[0]) == count) |
4450 | && SvIV (AvARRAY (av)[0]) == count) |
4180 | XSRETURN_YES; |
4451 | XSRETURN_YES; |
… | |
… | |
4201 | |
4472 | |
4202 | void |
4473 | void |
4203 | broadcast (SV *self) |
4474 | broadcast (SV *self) |
4204 | CODE: |
4475 | CODE: |
4205 | { |
4476 | { |
4206 | AV *av = (AV *)SvRV (self); |
4477 | AV *av = (AV *)SvRV (self); |
4207 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
4478 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
4208 | } |
4479 | } |
4209 | |
4480 | |
4210 | void |
4481 | void |
4211 | send (SV *self) |
4482 | send (SV *self) |
… | |
… | |
4219 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
4490 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
4220 | } |
4491 | } |
4221 | |
4492 | |
4222 | IV |
4493 | IV |
4223 | awaited (SV *self) |
4494 | awaited (SV *self) |
4224 | CODE: |
4495 | CODE: |
4225 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
4496 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
4226 | OUTPUT: |
4497 | OUTPUT: |
4227 | RETVAL |
4498 | RETVAL |
4228 | |
4499 | |
4229 | |
4500 | |
… | |
… | |
4234 | |
4505 | |
4235 | void |
4506 | void |
4236 | _schedule (...) |
4507 | _schedule (...) |
4237 | CODE: |
4508 | CODE: |
4238 | { |
4509 | { |
4239 | static int incede; |
4510 | static int incede; |
4240 | |
4511 | |
4241 | api_cede_notself (aTHX); |
4512 | api_cede_notself (aTHX); |
4242 | |
4513 | |
4243 | ++incede; |
4514 | ++incede; |
4244 | while (coro_nready >= incede && api_cede (aTHX)) |
4515 | while (coro_nready >= incede && api_cede (aTHX)) |
… | |
… | |
4288 | { |
4559 | { |
4289 | PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; |
4560 | PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; |
4290 | coro_old_pp_sselect = 0; |
4561 | coro_old_pp_sselect = 0; |
4291 | } |
4562 | } |
4292 | |
4563 | |
|
|
4564 | MODULE = Coro::State PACKAGE = Coro::Util |
|
|
4565 | |
|
|
4566 | void |
|
|
4567 | _exit (int code) |
|
|
4568 | CODE: |
|
|
4569 | _exit (code); |
|
|
4570 | |
|
|
4571 | NV |
|
|
4572 | time () |
|
|
4573 | CODE: |
|
|
4574 | RETVAL = nvtime (aTHX); |
|
|
4575 | OUTPUT: |
|
|
4576 | RETVAL |
|
|
4577 | |
|
|
4578 | NV |
|
|
4579 | gettimeofday () |
|
|
4580 | PPCODE: |
|
|
4581 | { |
|
|
4582 | UV tv [2]; |
|
|
4583 | u2time (aTHX_ tv); |
|
|
4584 | EXTEND (SP, 2); |
|
|
4585 | PUSHs (sv_2mortal (newSVuv (tv [0]))); |
|
|
4586 | PUSHs (sv_2mortal (newSVuv (tv [1]))); |
|
|
4587 | } |
|
|
4588 | |