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/cvs/Coro/Coro/State.xs
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Comparing Coro/Coro/State.xs (file contents):
Revision 1.465 by root, Sat Jun 25 19:04:04 2016 UTC vs.
Revision 1.469 by root, Fri Jul 14 02:43:50 2017 UTC

… …
116# define CORO_CLOCK_MONOTONIC 1 116# define CORO_CLOCK_MONOTONIC 1
117# define CORO_CLOCK_THREAD_CPUTIME_ID 3 117# define CORO_CLOCK_THREAD_CPUTIME_ID 3
118# endif 118# endif
119#endif 119#endif
120 120
121#if PERL_VERSION_ATLEAST(5,24,0)
122# define SUB_ARGARRAY PL_curpad[0]
123#else
124# define SUB_ARGARRAY (SV *)cx->blk_sub.argarray
125#endif
126
121/* perl usually suppressed asserts. for debugging, we sometimes force it to be on */ 127/* perl usually suppressed asserts. for debugging, we sometimes force it to be on */
122#if 0 128#if 0
123# undef NDEBUG 129# undef NDEBUG
124# include <assert.h> 130# include <assert.h>
125#endif 131#endif
… …
1064static MGVTBL coro_sigelem_vtbl; 1070static MGVTBL coro_sigelem_vtbl;
1065 1071
1066static int ecb_cold 1072static int ecb_cold
1067coro_sig_copy (pTHX_ SV *sv, MAGIC *mg, SV *nsv, const char *name, I32 namlen) 1073coro_sig_copy (pTHX_ SV *sv, MAGIC *mg, SV *nsv, const char *name, I32 namlen)
1068{ 1074{
1075 char *key = SvPV_nolen ((SV *)name);
1076
1077 /* do what mg_copy normally does */
1069 sv_magic (nsv, mg->mg_obj, PERL_MAGIC_sigelem, name, namlen); 1078 sv_magic (nsv, mg->mg_obj, PERL_MAGIC_sigelem, name, namlen);
1070 assert (mg_find (nsv, PERL_MAGIC_sigelem)->mg_virtual == &PL_vtbl_sigelem); 1079 assert (mg_find (nsv, PERL_MAGIC_sigelem)->mg_virtual == &PL_vtbl_sigelem);
1080
1081 /* patch sigelem vtbl, but only for __WARN__ and __DIE__ */
1082 if (*key == '_'
1083 && (strEQ (key, "__DIE__")
1084 || strEQ (key, "__WARN__")))
1071 mg_find (nsv, PERL_MAGIC_sigelem)->mg_virtual = &coro_sigelem_vtbl; 1085 mg_find (nsv, PERL_MAGIC_sigelem)->mg_virtual = &coro_sigelem_vtbl;
1086
1072 return 1; 1087 return 1;
1073} 1088}
1074 1089
1075/* perl does not have a %SIG vtbl, we provide one so we can override */ 1090/* perl does not have a %SIG vtbl, we provide one so we can override */
1076/* the cwvtblagic for %SIG members */ 1091/* the magic vtbl for the __DIE__ and __WARN__ members */
1077static const MGVTBL coro_sig_vtbl = { 1092static const MGVTBL coro_sig_vtbl = {
1078 0, 0, 0, 0, 0, 1093 0, 0, 0, 0, 0,
1079 coro_sig_copy 1094 coro_sig_copy
1080}; 1095};
1081 1096
… …
1087 */ 1102 */
1088static int ecb_cold 1103static int ecb_cold
1089coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) 1104coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg)
1090{ 1105{
1091 const char *s = MgPV_nolen_const (mg); 1106 const char *s = MgPV_nolen_const (mg);
1107 /* the key must be either __DIE__ or __WARN__ here */
1108 SV **svp = s[2] == 'D' ? &PL_diehook : &PL_warnhook;
1092 1109
1093 if (*s == '_') 1110 SV *ssv;
1094 {
1095 SV **svp = 0;
1096 1111
1097 if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
1098 if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
1099
1100 if (svp) 1112 if (!*svp)
1101 {
1102 SV *ssv;
1103
1104 if (!*svp)
1105 ssv = &PL_sv_undef; 1113 ssv = &PL_sv_undef;
1106 else if (SvTYPE (*svp) == SVt_PVCV) /* perlio directly stores a CV in warnhook. ugh. */ 1114 else if (SvTYPE (*svp) == SVt_PVCV) /* perlio directly stores a CV in warnhook. ugh. */
1107 ssv = sv_2mortal (newRV_inc (*svp)); 1115 ssv = sv_2mortal (newRV_inc (*svp));
1108 else 1116 else
1109 ssv = *svp; 1117 ssv = *svp;
1110 1118
1111 sv_setsv (sv, ssv); 1119 sv_setsv (sv, ssv);
1112 return 0; 1120 return 0;
1113 }
1114 }
1115
1116 return PL_vtbl_sigelem.svt_get ? PL_vtbl_sigelem.svt_get (aTHX_ sv, mg) : 0;
1117} 1121}
1118 1122
1119static int ecb_cold 1123static int ecb_cold
1120coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) 1124coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg)
1121{ 1125{
1122 const char *s = MgPV_nolen_const (mg); 1126 const char *s = MgPV_nolen_const (mg);
1127 /* the key must be either __DIE__ or __WARN__ here */
1128 SV **svp = s[2] == 'D' ? &PL_diehook : &PL_warnhook;
1123 1129
1124 if (*s == '_')
1125 {
1126 SV **svp = 0;
1127
1128 if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
1129 if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
1130
1131 if (svp)
1132 {
1133 SV *old = *svp; 1130 SV *old = *svp;
1134 *svp = 0; 1131 *svp = 0;
1135 SvREFCNT_dec (old); 1132 SvREFCNT_dec (old);
1136 return 0; 1133 return 0;
1137 }
1138 }
1139
1140 return PL_vtbl_sigelem.svt_clear ? PL_vtbl_sigelem.svt_clear (aTHX_ sv, mg) : 0;
1141} 1134}
1142 1135
1143static int ecb_cold 1136static int ecb_cold
1144coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) 1137coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg)
1145{ 1138{
1146 const char *s = MgPV_nolen_const (mg); 1139 const char *s = MgPV_nolen_const (mg);
1140 /* the key must be either __DIE__ or __WARN__ here */
1141 SV **svp = s[2] == 'D' ? &PL_diehook : &PL_warnhook;
1147 1142
1148 if (*s == '_')
1149 {
1150 SV **svp = 0;
1151
1152 if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
1153 if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
1154
1155 if (svp)
1156 {
1157 SV *old = *svp; 1143 SV *old = *svp;
1158 *svp = SvOK (sv) ? newSVsv (sv) : 0; 1144 *svp = SvOK (sv) ? newSVsv (sv) : 0;
1159 SvREFCNT_dec (old); 1145 SvREFCNT_dec (old);
1160 return 0; 1146 return 0;
1161 }
1162 }
1163
1164 return PL_vtbl_sigelem.svt_set ? PL_vtbl_sigelem.svt_set (aTHX_ sv, mg) : 0;
1165} 1147}
1166 1148
1167static void 1149static void
1168prepare_nop (pTHX_ struct coro_transfer_args *ta) 1150prepare_nop (pTHX_ struct coro_transfer_args *ta)
1169{ 1151{
… …
1434 SAVETMPS; 1416 SAVETMPS;
1435 EXTEND (SP, 3); 1417 EXTEND (SP, 3);
1436 PUSHMARK (SP); 1418 PUSHMARK (SP);
1437 PUSHs (&PL_sv_yes); 1419 PUSHs (&PL_sv_yes);
1438 PUSHs (fullname); 1420 PUSHs (fullname);
1439 PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef); 1421 PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc (SUB_ARGARRAY)) : &PL_sv_undef);
1440 PUTBACK; 1422 PUTBACK;
1441 cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); 1423 cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
1442 if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); 1424 if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
1443 SPAGAIN; 1425 SPAGAIN;
1444 FREETMPS; 1426 FREETMPS;
… …
2463 av_clear (GvAV (PL_defgv)); 2445 av_clear (GvAV (PL_defgv));
2464 hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); 2446 hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0);
2465 2447
2466 if (ecb_expect_false (coro->swap_sv)) 2448 if (ecb_expect_false (coro->swap_sv))
2467 { 2449 {
2468 swap_svs_leave (coro); 2450 SWAP_SVS_LEAVE (coro);
2469 SvREFCNT_dec_NN (coro->swap_sv); 2451 SvREFCNT_dec_NN (coro->swap_sv);
2470 coro->swap_sv = 0; 2452 coro->swap_sv = 0;
2471 } 2453 }
2472 2454
2473 coro->prio = 0; 2455 coro->prio = 0;
… …
3609 3591
3610 map_len = load_len + save_len + 16; 3592 map_len = load_len + save_len + 16;
3611 3593
3612 map_base = mmap (0, map_len, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); 3594 map_base = mmap (0, map_len, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
3613 3595
3596 if (map_base == (char *)MAP_FAILED)
3597 map_base = mmap (0, map_len, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
3598
3614 assert (("Coro: unable to mmap jit code page, cannot continue.", map_base != (char *)MAP_FAILED)); 3599 assert (("Coro: unable to mmap jit code page, cannot continue.", map_base != (char *)MAP_FAILED));
3615 3600
3616 load_perl_slots = (load_save_perl_slots_type)map_base; 3601 load_perl_slots = (load_save_perl_slots_type)map_base;
3617 memcpy (map_base, load_ptr, load_len); 3602 memcpy (map_base, load_ptr, load_len);
3618 3603

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