… | |
… | |
2 | #define USE_NO_MINGW_SETJMP_TWO_ARGS |
2 | #define USE_NO_MINGW_SETJMP_TWO_ARGS |
3 | |
3 | |
4 | #define NDEBUG 1 /* perl usually disables NDEBUG later */ |
4 | #define NDEBUG 1 /* perl usually disables NDEBUG later */ |
5 | |
5 | |
6 | #include "libcoro/coro.c" |
6 | #include "libcoro/coro.c" |
|
|
7 | |
|
|
8 | #if CORO_UCONTEXT |
|
|
9 | #define CORO_BACKEND "ucontext" |
|
|
10 | #elif CORO_SJLJ |
|
|
11 | #define CORO_BACKEND "sjlj" |
|
|
12 | #elif CORO_LINUX |
|
|
13 | #define CORO_BACKEND "linux" |
|
|
14 | #elif CORO_LOSER |
|
|
15 | #define CORO_BACKEND "loser" |
|
|
16 | #elif CORO_FIBER |
|
|
17 | #define CORO_BACKEND "fiber" |
|
|
18 | #elif CORO_IRIX |
|
|
19 | #define CORO_BACKEND "irix" |
|
|
20 | #elif CORO_ASM |
|
|
21 | #define CORO_BACKEND "asm" |
|
|
22 | #elif CORO_PTHREAD |
|
|
23 | #define CORO_BACKEND "pthread" |
|
|
24 | #else |
|
|
25 | #define CORO_BACKEND "unknown" |
|
|
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" |
… | |
… | |
116 | # define CORO_CLOCK_MONOTONIC 1 |
136 | # define CORO_CLOCK_MONOTONIC 1 |
117 | # define CORO_CLOCK_THREAD_CPUTIME_ID 3 |
137 | # define CORO_CLOCK_THREAD_CPUTIME_ID 3 |
118 | # endif |
138 | # endif |
119 | #endif |
139 | #endif |
120 | |
140 | |
|
|
141 | /* one off bugfix for perl 5.22 */ |
|
|
142 | #if PERL_VERSION_ATLEAST(5,22,0) && !PERL_VERSION_ATLEAST(5,24,0) |
|
|
143 | # undef PadlistNAMES |
|
|
144 | # define PadlistNAMES(pl) *((PADNAMELIST **)PadlistARRAY (pl)) |
|
|
145 | #endif |
|
|
146 | |
|
|
147 | #if PERL_VERSION_ATLEAST(5,24,0) |
|
|
148 | # define SUB_ARGARRAY PL_curpad[0] |
|
|
149 | #else |
|
|
150 | # define SUB_ARGARRAY (SV *)cx->blk_sub.argarray |
|
|
151 | #endif |
|
|
152 | |
|
|
153 | /* perl usually suppresses asserts. for debugging, we sometimes force it to be on */ |
|
|
154 | #if 0 |
|
|
155 | # undef NDEBUG |
|
|
156 | # include <assert.h> |
|
|
157 | #endif |
|
|
158 | |
121 | static double (*nvtime)(); /* so why doesn't it take void? */ |
159 | static double (*nvtime)(); /* so why doesn't it take void? */ |
122 | static void (*u2time)(pTHX_ UV ret[2]); |
160 | static void (*u2time)(pTHX_ UV ret[2]); |
123 | |
161 | |
124 | /* we hijack an hopefully unused CV flag for our purposes */ |
162 | /* we hijack an hopefully unused CV flag for our purposes */ |
125 | #define CVf_SLF 0x4000 |
163 | #define CVf_SLF 0x4000 |
… | |
… | |
245 | int usecount; /* number of transfers to this coro */ |
283 | int usecount; /* number of transfers to this coro */ |
246 | |
284 | |
247 | /* coro process data */ |
285 | /* coro process data */ |
248 | int prio; |
286 | int prio; |
249 | SV *except; /* exception to be thrown */ |
287 | SV *except; /* exception to be thrown */ |
250 | SV *rouse_cb; /* last rouse callback */ |
288 | SV *rouse_cb; /* most recently created rouse callback */ |
251 | AV *on_destroy; /* callbacks or coros to notify on destroy */ |
289 | AV *on_destroy; /* callbacks or coros to notify on destroy */ |
252 | AV *status; /* the exit status list */ |
290 | AV *status; /* the exit status list */ |
253 | |
291 | |
254 | /* async_pool */ |
292 | /* async_pool */ |
255 | SV *saved_deffh; |
293 | SV *saved_deffh; |
… | |
… | |
963 | #endif |
1001 | #endif |
964 | |
1002 | |
965 | New(54,PL_savestack,24,ANY); |
1003 | New(54,PL_savestack,24,ANY); |
966 | PL_savestack_ix = 0; |
1004 | PL_savestack_ix = 0; |
967 | 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 |
968 | |
1011 | |
969 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1012 | #if !PERL_VERSION_ATLEAST (5,10,0) |
970 | New(54,PL_retstack,4,OP*); |
1013 | New(54,PL_retstack,4,OP*); |
971 | PL_retstack_ix = 0; |
1014 | PL_retstack_ix = 0; |
972 | PL_retstack_max = 4; |
1015 | PL_retstack_max = 4; |
… | |
… | |
1038 | } |
1081 | } |
1039 | |
1082 | |
1040 | return rss; |
1083 | return rss; |
1041 | } |
1084 | } |
1042 | |
1085 | |
1043 | /** coroutine stack handling ************************************************/ |
1086 | /** provide custom get/set/clear methods for %SIG elements ******************/ |
1044 | |
|
|
1045 | static int (*orig_sigelem_get) (pTHX_ SV *sv, MAGIC *mg); |
|
|
1046 | static int (*orig_sigelem_set) (pTHX_ SV *sv, MAGIC *mg); |
|
|
1047 | static int (*orig_sigelem_clr) (pTHX_ SV *sv, MAGIC *mg); |
|
|
1048 | |
1087 | |
1049 | /* apparently < 5.8.8 */ |
1088 | /* apparently < 5.8.8 */ |
1050 | #ifndef MgPV_nolen_const |
1089 | #ifndef MgPV_nolen_const |
1051 | #define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \ |
1090 | #define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \ |
1052 | SvPV_nolen((SV*)((mg)->mg_ptr)) : \ |
1091 | SvPV_nolen((SV*)((mg)->mg_ptr)) : \ |
1053 | (const char*)(mg)->mg_ptr) |
1092 | (const char*)(mg)->mg_ptr) |
1054 | #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 | }; |
1055 | |
1122 | |
1056 | /* |
1123 | /* |
1057 | * This overrides the default magic get method of %SIG elements. |
1124 | * This overrides the default magic get method of %SIG elements. |
1058 | * 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 |
1059 | * 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), |
… | |
… | |
1061 | */ |
1128 | */ |
1062 | static int ecb_cold |
1129 | static int ecb_cold |
1063 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
1130 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
1064 | { |
1131 | { |
1065 | 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; |
1066 | |
1135 | |
1067 | if (*s == '_') |
1136 | SV *ssv; |
1068 | { |
|
|
1069 | SV **svp = 0; |
|
|
1070 | |
1137 | |
1071 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
|
|
1072 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
|
|
1073 | |
|
|
1074 | if (svp) |
1138 | if (!*svp) |
1075 | { |
|
|
1076 | SV *ssv; |
|
|
1077 | |
|
|
1078 | if (!*svp) |
|
|
1079 | ssv = &PL_sv_undef; |
1139 | ssv = &PL_sv_undef; |
1080 | 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. */ |
1081 | ssv = sv_2mortal (newRV_inc (*svp)); |
1141 | ssv = sv_2mortal (newRV_inc (*svp)); |
1082 | else |
1142 | else |
1083 | ssv = *svp; |
1143 | ssv = *svp; |
1084 | |
1144 | |
1085 | sv_setsv (sv, ssv); |
1145 | sv_setsv (sv, ssv); |
1086 | return 0; |
1146 | return 0; |
1087 | } |
|
|
1088 | } |
|
|
1089 | |
|
|
1090 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
|
|
1091 | } |
1147 | } |
1092 | |
1148 | |
1093 | static int ecb_cold |
1149 | static int ecb_cold |
1094 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
1150 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
1095 | { |
1151 | { |
1096 | 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; |
1097 | |
1155 | |
1098 | if (*s == '_') |
|
|
1099 | { |
|
|
1100 | SV **svp = 0; |
|
|
1101 | |
|
|
1102 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
|
|
1103 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
|
|
1104 | |
|
|
1105 | if (svp) |
|
|
1106 | { |
|
|
1107 | SV *old = *svp; |
1156 | SV *old = *svp; |
1108 | *svp = 0; |
1157 | *svp = 0; |
1109 | SvREFCNT_dec (old); |
1158 | SvREFCNT_dec (old); |
1110 | return 0; |
1159 | return 0; |
1111 | } |
|
|
1112 | } |
|
|
1113 | |
|
|
1114 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
|
|
1115 | } |
1160 | } |
1116 | |
1161 | |
1117 | static int ecb_cold |
1162 | static int ecb_cold |
1118 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
1163 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
1119 | { |
1164 | { |
1120 | 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; |
1121 | |
1168 | |
1122 | if (*s == '_') |
|
|
1123 | { |
|
|
1124 | SV **svp = 0; |
|
|
1125 | |
|
|
1126 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
|
|
1127 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
|
|
1128 | |
|
|
1129 | if (svp) |
|
|
1130 | { |
|
|
1131 | SV *old = *svp; |
1169 | SV *old = *svp; |
1132 | *svp = SvOK (sv) ? newSVsv (sv) : 0; |
1170 | *svp = SvOK (sv) ? newSVsv (sv) : 0; |
1133 | SvREFCNT_dec (old); |
1171 | SvREFCNT_dec (old); |
1134 | return 0; |
1172 | return 0; |
1135 | } |
|
|
1136 | } |
|
|
1137 | |
|
|
1138 | return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0; |
|
|
1139 | } |
1173 | } |
1140 | |
1174 | |
1141 | static void |
1175 | static void |
1142 | prepare_nop (pTHX_ struct coro_transfer_args *ta) |
1176 | prepare_nop (pTHX_ struct coro_transfer_args *ta) |
1143 | { |
1177 | { |
… | |
… | |
1154 | static int |
1188 | static int |
1155 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
1189 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
1156 | { |
1190 | { |
1157 | return 1; |
1191 | return 1; |
1158 | } |
1192 | } |
|
|
1193 | |
|
|
1194 | /** coroutine stack handling ************************************************/ |
1159 | |
1195 | |
1160 | static UNOP init_perl_op; |
1196 | static UNOP init_perl_op; |
1161 | |
1197 | |
1162 | 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 */ |
1163 | init_perl (pTHX_ struct coro *coro) |
1199 | init_perl (pTHX_ struct coro *coro) |
… | |
… | |
1206 | myop.op_next = Nullop; |
1242 | myop.op_next = Nullop; |
1207 | myop.op_type = OP_ENTERSUB; |
1243 | myop.op_type = OP_ENTERSUB; |
1208 | myop.op_flags = OPf_WANT_VOID; |
1244 | myop.op_flags = OPf_WANT_VOID; |
1209 | |
1245 | |
1210 | PUSHMARK (SP); |
1246 | PUSHMARK (SP); |
1211 | PUSHs ((SV *)coro->startcv); |
1247 | XPUSHs ((SV *)coro->startcv); |
1212 | PUTBACK; |
1248 | PUTBACK; |
1213 | PL_op = (OP *)&myop; |
1249 | PL_op = (OP *)&myop; |
1214 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
1250 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
1215 | } |
1251 | } |
1216 | |
1252 | |
… | |
… | |
1273 | |
1309 | |
1274 | 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)); |
1275 | |
1311 | |
1276 | save_perl (aTHX_ current); |
1312 | save_perl (aTHX_ current); |
1277 | |
1313 | |
1278 | /* this will cause transfer_check to croak on block*/ |
1314 | /* this will cause transfer_check to croak on block */ |
1279 | SvRV_set (coro_current, (SV *)coro->hv); |
1315 | SvRV_set (coro_current, (SV *)coro->hv); |
1280 | |
1316 | |
1281 | load_perl (aTHX_ coro); |
1317 | load_perl (aTHX_ coro); |
1282 | |
1318 | |
1283 | /* restore swapped sv's */ |
1319 | /* restore swapped sv's */ |
… | |
… | |
1364 | av_push (av, SvREFCNT_inc_NN (*bot++)); |
1400 | av_push (av, SvREFCNT_inc_NN (*bot++)); |
1365 | |
1401 | |
1366 | PL_runops = RUNOPS_DEFAULT; |
1402 | PL_runops = RUNOPS_DEFAULT; |
1367 | ENTER; |
1403 | ENTER; |
1368 | SAVETMPS; |
1404 | SAVETMPS; |
|
|
1405 | PUSHMARK (SP); |
1369 | EXTEND (SP, 3); |
1406 | EXTEND (SP, 3); |
1370 | PUSHMARK (SP); |
|
|
1371 | PUSHs (&PL_sv_no); |
1407 | PUSHs (&PL_sv_no); |
1372 | PUSHs (fullname); |
1408 | PUSHs (fullname); |
1373 | PUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
1409 | PUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
1374 | PUTBACK; |
1410 | PUTBACK; |
1375 | 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); |
… | |
… | |
1402 | gv_efullname3 (fullname, gv, 0); |
1438 | gv_efullname3 (fullname, gv, 0); |
1403 | |
1439 | |
1404 | PL_runops = RUNOPS_DEFAULT; |
1440 | PL_runops = RUNOPS_DEFAULT; |
1405 | ENTER; |
1441 | ENTER; |
1406 | SAVETMPS; |
1442 | SAVETMPS; |
|
|
1443 | PUSHMARK (SP); |
1407 | EXTEND (SP, 3); |
1444 | EXTEND (SP, 3); |
1408 | PUSHMARK (SP); |
|
|
1409 | PUSHs (&PL_sv_yes); |
1445 | PUSHs (&PL_sv_yes); |
1410 | PUSHs (fullname); |
1446 | PUSHs (fullname); |
1411 | 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); |
1412 | PUTBACK; |
1448 | PUTBACK; |
1413 | 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); |
1414 | 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); |
1415 | SPAGAIN; |
1451 | SPAGAIN; |
1416 | FREETMPS; |
1452 | FREETMPS; |
… | |
… | |
1426 | dSP; |
1462 | dSP; |
1427 | |
1463 | |
1428 | PL_runops = RUNOPS_DEFAULT; |
1464 | PL_runops = RUNOPS_DEFAULT; |
1429 | ENTER; |
1465 | ENTER; |
1430 | SAVETMPS; |
1466 | SAVETMPS; |
1431 | EXTEND (SP, 3); |
|
|
1432 | PL_runops = RUNOPS_DEFAULT; |
|
|
1433 | PUSHMARK (SP); |
1467 | PUSHMARK (SP); |
|
|
1468 | EXTEND (SP, 2); |
1434 | PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0))); |
1469 | PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0))); |
1435 | PUSHs (sv_2mortal (newSViv (CopLINE (oldcop)))); |
1470 | PUSHs (sv_2mortal (newSViv (CopLINE (oldcop)))); |
1436 | PUTBACK; |
1471 | PUTBACK; |
1437 | 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); |
1438 | 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); |
… | |
… | |
1538 | * 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 |
1539 | * 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. |
1540 | */ |
1575 | */ |
1541 | |
1576 | |
1542 | /* |
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 | /* |
1543 | * 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 |
1544 | * 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) |
1545 | * 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 |
1546 | * doing in that case. YMMV. |
1588 | * doing in that case. YMMV. |
1547 | */ |
1589 | */ |
… | |
… | |
1802 | |
1844 | |
1803 | static int |
1845 | static int |
1804 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1846 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1805 | { |
1847 | { |
1806 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1848 | struct coro *coro = (struct coro *)mg->mg_ptr; |
|
|
1849 | |
|
|
1850 | coro_state_destroy (aTHX_ coro); |
1807 | mg->mg_ptr = 0; |
1851 | mg->mg_ptr = 0; |
1808 | |
1852 | |
1809 | coro_state_destroy (aTHX_ coro); |
|
|
1810 | SvREFCNT_dec (coro->on_destroy); |
1853 | SvREFCNT_dec (coro->on_destroy); |
1811 | SvREFCNT_dec (coro->status); |
1854 | SvREFCNT_dec (coro->status); |
1812 | |
1855 | |
1813 | Safefree (coro); |
1856 | Safefree (coro); |
1814 | |
1857 | |
… | |
… | |
1817 | |
1860 | |
1818 | static int ecb_cold |
1861 | static int ecb_cold |
1819 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1862 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1820 | { |
1863 | { |
1821 | /* 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) */ |
1822 | /* 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 */ |
1823 | mg->mg_ptr = 0; |
1866 | mg->mg_ptr = 0; |
1824 | mg->mg_virtual = 0; |
1867 | mg->mg_virtual = 0; |
1825 | |
1868 | |
1826 | return 0; |
1869 | return 0; |
1827 | } |
1870 | } |
… | |
… | |
2349 | safe_cancel (pTHX_ struct coro *coro, SV **arg, int items) |
2392 | safe_cancel (pTHX_ struct coro *coro, SV **arg, int items) |
2350 | { |
2393 | { |
2351 | if (coro->cctx) |
2394 | if (coro->cctx) |
2352 | 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"); |
2353 | |
2396 | |
2354 | if (coro->flags & CF_NEW) |
2397 | if (coro->flags & (CF_NEW | CF_ZOMBIE)) |
2355 | { |
2398 | { |
2356 | coro_set_status (aTHX_ coro, arg, items); |
2399 | coro_set_status (aTHX_ coro, arg, items); |
2357 | coro_state_destroy (aTHX_ coro); |
2400 | coro_state_destroy (aTHX_ coro); |
2358 | } |
2401 | } |
2359 | else |
2402 | else |
… | |
… | |
2428 | av_clear (GvAV (PL_defgv)); |
2471 | av_clear (GvAV (PL_defgv)); |
2429 | 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); |
2430 | |
2473 | |
2431 | if (ecb_expect_false (coro->swap_sv)) |
2474 | if (ecb_expect_false (coro->swap_sv)) |
2432 | { |
2475 | { |
|
|
2476 | SWAP_SVS_LEAVE (coro); |
2433 | SvREFCNT_dec_NN (coro->swap_sv); |
2477 | SvREFCNT_dec_NN (coro->swap_sv); |
2434 | coro->swap_sv = 0; |
2478 | coro->swap_sv = 0; |
2435 | } |
2479 | } |
2436 | |
2480 | |
2437 | coro->prio = 0; |
2481 | coro->prio = 0; |
2438 | |
2482 | |
2439 | if (coro->cctx && ecb_expect_false (coro->cctx->flags & CC_TRACE)) |
2483 | if (ecb_expect_false (coro->cctx) && ecb_expect_false (coro->cctx->flags & CC_TRACE)) |
2440 | api_trace (aTHX_ coro_current, 0); |
2484 | api_trace (aTHX_ coro_current, 0); |
2441 | |
2485 | |
2442 | frame->prepare = prepare_schedule; |
2486 | frame->prepare = prepare_schedule; |
2443 | av_push (av_async_pool, SvREFCNT_inc (hv)); |
2487 | av_push (av_async_pool, SvREFCNT_inc_NN (hv)); |
2444 | } |
2488 | } |
2445 | } |
2489 | } |
2446 | else |
2490 | else |
2447 | { |
2491 | { |
2448 | /* first iteration, simply fall through */ |
2492 | /* first iteration, simply fall through */ |
… | |
… | |
2461 | static void |
2505 | static void |
2462 | coro_rouse_callback (pTHX_ CV *cv) |
2506 | coro_rouse_callback (pTHX_ CV *cv) |
2463 | { |
2507 | { |
2464 | dXSARGS; |
2508 | dXSARGS; |
2465 | SV *data = (SV *)S_GENSUB_ARG; |
2509 | SV *data = (SV *)S_GENSUB_ARG; |
|
|
2510 | SV *coro = SvRV (data); |
2466 | |
2511 | |
|
|
2512 | /* data starts being either undef or a coro, and is replaced by the results when done */ |
2467 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2513 | if (SvTYPE (coro) != SVt_PVAV) |
2468 | { |
2514 | { |
2469 | /* first call, set args */ |
2515 | /* first call, set args */ |
2470 | SV *coro = SvRV (data); |
|
|
2471 | AV *av = newAV (); |
|
|
2472 | |
2516 | |
2473 | 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 */ |
2474 | |
2519 | |
2475 | /* better take a full copy of the arguments */ |
2520 | if (coro != &PL_sv_undef) |
2476 | while (items--) |
2521 | { |
2477 | av_store (av, items, newSVsv (ST (items))); |
|
|
2478 | |
|
|
2479 | api_ready (aTHX_ coro); |
2522 | api_ready (aTHX_ coro); |
2480 | SvREFCNT_dec (coro); |
2523 | SvREFCNT_dec_NN (coro); |
|
|
2524 | } |
2481 | } |
2525 | } |
2482 | |
2526 | |
2483 | XSRETURN_EMPTY; |
2527 | XSRETURN_EMPTY; |
2484 | } |
2528 | } |
2485 | |
2529 | |
… | |
… | |
2502 | |
2546 | |
2503 | EXTEND (SP, AvFILLp (av) + 1); |
2547 | EXTEND (SP, AvFILLp (av) + 1); |
2504 | for (i = 0; i <= AvFILLp (av); ++i) |
2548 | for (i = 0; i <= AvFILLp (av); ++i) |
2505 | PUSHs (sv_2mortal (AvARRAY (av)[i])); |
2549 | PUSHs (sv_2mortal (AvARRAY (av)[i])); |
2506 | |
2550 | |
2507 | /* we have stolen the elements, so set length to zero and free */ |
2551 | /* we have stolen the elements, make it unreal and free */ |
2508 | AvFILLp (av) = -1; |
2552 | AvREAL_off (av); |
2509 | av_undef (av); |
2553 | av_undef (av); |
2510 | |
2554 | |
2511 | PUTBACK; |
2555 | PUTBACK; |
2512 | } |
2556 | } |
2513 | |
2557 | |
… | |
… | |
2538 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2582 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2539 | |
2583 | |
2540 | { |
2584 | { |
2541 | CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ |
2585 | CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ |
2542 | 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))); |
2543 | |
2595 | |
2544 | frame->data = (void *)data; |
2596 | frame->data = (void *)data; |
2545 | frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule; |
2597 | frame->prepare = data_ready ? prepare_nop : prepare_schedule; |
2546 | frame->check = slf_check_rouse_wait; |
2598 | frame->check = slf_check_rouse_wait; |
2547 | } |
2599 | } |
2548 | } |
2600 | } |
2549 | |
2601 | |
2550 | static SV * |
2602 | static SV * |
2551 | coro_new_rouse_cb (pTHX) |
2603 | coro_new_rouse_cb (pTHX) |
2552 | { |
2604 | { |
2553 | HV *hv = (HV *)SvRV (coro_current); |
2605 | HV *hv = (HV *)SvRV (coro_current); |
2554 | struct coro *coro = SvSTATE_hv (hv); |
2606 | struct coro *coro = SvSTATE_hv (hv); |
2555 | SV *data = newRV_inc ((SV *)hv); |
2607 | SV *data = newRV_noinc (&PL_sv_undef); |
2556 | SV *cb = s_gensub (aTHX_ coro_rouse_callback, (void *)data); |
2608 | SV *cb = s_gensub (aTHX_ coro_rouse_callback, (void *)data); |
2557 | |
2609 | |
2558 | 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); |
2559 | SvREFCNT_dec (data); /* magicext increases the refcount */ |
2611 | SvREFCNT_dec_NN (data); /* magicext increases the refcount */ |
2560 | |
2612 | |
2561 | SvREFCNT_dec (coro->rouse_cb); |
2613 | SvREFCNT_dec (coro->rouse_cb); |
2562 | coro->rouse_cb = SvREFCNT_inc_NN (cb); |
2614 | coro->rouse_cb = SvREFCNT_inc_NN (cb); |
2563 | |
2615 | |
2564 | return cb; |
2616 | return cb; |
… | |
… | |
3571 | save = POPs; save_ptr = SvPVbyte (save, save_len); |
3623 | save = POPs; save_ptr = SvPVbyte (save, save_len); |
3572 | load = POPs; load_ptr = SvPVbyte (load, load_len); |
3624 | load = POPs; load_ptr = SvPVbyte (load, load_len); |
3573 | |
3625 | |
3574 | map_len = load_len + save_len + 16; |
3626 | map_len = load_len + save_len + 16; |
3575 | |
3627 | |
3576 | 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); |
3577 | |
3629 | |
3578 | 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)); |
3579 | |
3631 | |
3580 | load_perl_slots = (load_save_perl_slots_type)map_base; |
3632 | load_perl_slots = (load_save_perl_slots_type)map_base; |
3581 | memcpy (map_base, load_ptr, load_len); |
3633 | memcpy (load_perl_slots, load_ptr, load_len); |
3582 | |
3634 | |
3583 | map_base += (load_len + 15) & ~15; |
|
|
3584 | |
|
|
3585 | 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)); |
3586 | memcpy (map_base, save_ptr, save_len); |
3636 | memcpy (save_perl_slots, save_ptr, save_len); |
3587 | |
3637 | |
3588 | /* 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 */ |
3589 | /* 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); |
3590 | mprotect (map_base, map_len, PROT_READ | PROT_EXEC); |
3642 | mprotect (map_base, map_len, PROT_READ | PROT_EXEC); |
3591 | |
3643 | |
3592 | PUTBACK; |
3644 | PUTBACK; |
3593 | eval_pv ("undef &Coro::State::_jit", 1); |
3645 | eval_pv ("undef &Coro::State::_jit", 1); |
3594 | } |
3646 | } |
… | |
… | |
3618 | cctx_current = cctx_new_empty (); |
3670 | cctx_current = cctx_new_empty (); |
3619 | |
3671 | |
3620 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3672 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3621 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3673 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3622 | |
3674 | |
3623 | orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get; |
3675 | { |
3624 | orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set; |
3676 | /* |
3625 | 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 | } |
3626 | |
3699 | |
3627 | 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)); |
3628 | 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)); |
3629 | |
3702 | |
3630 | 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 */ |
3631 | |
3706 | |
3632 | newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE)); |
3707 | newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE)); |
3633 | newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB)); |
3708 | newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB)); |
3634 | newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE)); |
3709 | newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE)); |
3635 | newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL)); |
3710 | newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL)); |
… | |
… | |
3760 | call (Coro::State coro, SV *coderef) |
3835 | call (Coro::State coro, SV *coderef) |
3761 | ALIAS: |
3836 | ALIAS: |
3762 | eval = 1 |
3837 | eval = 1 |
3763 | CODE: |
3838 | CODE: |
3764 | { |
3839 | { |
|
|
3840 | struct coro *current = SvSTATE_current; |
|
|
3841 | |
3765 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
3842 | if ((coro == current) || (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot))) |
3766 | { |
3843 | { |
3767 | struct coro *current = SvSTATE_current; |
|
|
3768 | struct CoroSLF slf_save; |
3844 | struct CoroSLF slf_save; |
3769 | |
3845 | |
3770 | if (current != coro) |
3846 | if (current != coro) |
3771 | { |
3847 | { |
3772 | PUTBACK; |
3848 | PUTBACK; |
… | |
… | |
4031 | coroapi.enterleave_hook = api_enterleave_hook; |
4107 | coroapi.enterleave_hook = api_enterleave_hook; |
4032 | coroapi.enterleave_unhook = api_enterleave_unhook; |
4108 | coroapi.enterleave_unhook = api_enterleave_unhook; |
4033 | coroapi.enterleave_scope_hook = api_enterleave_scope_hook; |
4109 | coroapi.enterleave_scope_hook = api_enterleave_scope_hook; |
4034 | |
4110 | |
4035 | /*GCoroAPI = &coroapi;*/ |
4111 | /*GCoroAPI = &coroapi;*/ |
4036 | sv_setiv (sv, (IV)&coroapi); |
4112 | sv_setiv (sv, PTR2IV (&coroapi)); |
4037 | SvREADONLY_on (sv); |
4113 | SvREADONLY_on (sv); |
4038 | } |
4114 | } |
4039 | } |
4115 | } |
4040 | |
4116 | |
4041 | SV * |
4117 | SV * |