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" |
12 | #include "perl.h" |
32 | #include "perl.h" |
13 | #include "XSUB.h" |
33 | #include "XSUB.h" |
14 | #include "perliol.h" |
34 | #include "perliol.h" |
15 | |
35 | |
16 | #include "schmorp.h" |
36 | #include "schmorp.h" |
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37 | |
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38 | #define ECB_NO_THREADS 1 |
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39 | #define ECB_NO_LIBM 1 |
17 | #include "ecb.h" |
40 | #include "ecb.h" |
18 | |
41 | |
19 | #include <stddef.h> |
42 | #include <stddef.h> |
20 | #include <stdio.h> |
43 | #include <stdio.h> |
21 | #include <errno.h> |
44 | #include <errno.h> |
22 | #include <assert.h> |
45 | #include <assert.h> |
23 | |
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 | |
24 | #ifndef SVs_PADSTALE |
55 | #ifndef SVs_PADSTALE |
25 | # 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 |
26 | #endif |
86 | #endif |
27 | |
87 | |
28 | #if defined(_WIN32) |
88 | #if defined(_WIN32) |
29 | # undef HAS_GETTIMEOFDAY |
89 | # undef HAS_GETTIMEOFDAY |
30 | # undef setjmp |
90 | # undef setjmp |
… | |
… | |
33 | # define setjmp _setjmp /* deep magic */ |
93 | # define setjmp _setjmp /* deep magic */ |
34 | #else |
94 | #else |
35 | # include <inttypes.h> /* most portable stdint.h */ |
95 | # include <inttypes.h> /* most portable stdint.h */ |
36 | #endif |
96 | #endif |
37 | |
97 | |
38 | #ifdef HAVE_MMAP |
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39 | # include <unistd.h> |
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40 | # include <sys/mman.h> |
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41 | # ifndef MAP_ANONYMOUS |
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42 | # ifdef MAP_ANON |
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43 | # define MAP_ANONYMOUS MAP_ANON |
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44 | # else |
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45 | # undef HAVE_MMAP |
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46 | # endif |
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47 | # endif |
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48 | # include <limits.h> |
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49 | # ifndef PAGESIZE |
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50 | # define PAGESIZE pagesize |
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51 | # define BOOT_PAGESIZE pagesize = sysconf (_SC_PAGESIZE) |
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52 | static long pagesize; |
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53 | # else |
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54 | # define BOOT_PAGESIZE (void)0 |
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55 | # endif |
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56 | #else |
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57 | # define PAGESIZE 0 |
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58 | # define BOOT_PAGESIZE (void)0 |
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59 | #endif |
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60 | |
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61 | #if CORO_USE_VALGRIND |
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62 | # include <valgrind/valgrind.h> |
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63 | #endif |
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64 | |
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65 | /* the maximum number of idle cctx that will be pooled */ |
98 | /* the maximum number of idle cctx that will be pooled */ |
66 | static int cctx_max_idle = 4; |
99 | static int cctx_max_idle = 4; |
67 | |
100 | |
68 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
101 | #if defined(DEBUGGING) && PERL_VERSION_ATLEAST(5,12,0) |
69 | # undef CORO_STACKGUARD |
102 | # define HAS_SCOPESTACK_NAME 1 |
70 | #endif |
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71 | |
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72 | #ifndef CORO_STACKGUARD |
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73 | # define CORO_STACKGUARD 0 |
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74 | #endif |
103 | #endif |
75 | |
104 | |
76 | /* prefer perl internal functions over our own? */ |
105 | /* prefer perl internal functions over our own? */ |
77 | #ifndef CORO_PREFER_PERL_FUNCTIONS |
106 | #ifndef CORO_PREFER_PERL_FUNCTIONS |
78 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
107 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
… | |
… | |
97 | # if CORO_PTHREAD |
126 | # if CORO_PTHREAD |
98 | static void *coro_thx; |
127 | static void *coro_thx; |
99 | # endif |
128 | # endif |
100 | #endif |
129 | #endif |
101 | |
130 | |
102 | /* used in state.h */ |
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103 | #define VAR(name,type) VARx(name, PL_ ## name, type) |
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104 | |
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105 | #ifdef __linux |
131 | #ifdef __linux |
106 | # include <time.h> /* for timespec */ |
132 | # include <time.h> /* for timespec */ |
107 | # include <syscall.h> /* for SYS_* */ |
133 | # include <syscall.h> /* for SYS_* */ |
108 | # ifdef SYS_clock_gettime |
134 | # ifdef SYS_clock_gettime |
109 | # define coro_clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
135 | # define coro_clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
110 | # define CORO_CLOCK_MONOTONIC 1 |
136 | # define CORO_CLOCK_MONOTONIC 1 |
111 | # define CORO_CLOCK_THREAD_CPUTIME_ID 3 |
137 | # define CORO_CLOCK_THREAD_CPUTIME_ID 3 |
112 | # endif |
138 | # endif |
113 | #endif |
139 | #endif |
114 | |
140 | |
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141 | /* one off bugfix for perl 5.22 */ |
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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 | |
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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 | |
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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 | |
115 | static double (*nvtime)(); /* so why doesn't it take void? */ |
159 | static double (*nvtime)(); /* so why doesn't it take void? */ |
116 | static void (*u2time)(pTHX_ UV ret[2]); |
160 | static void (*u2time)(pTHX_ UV ret[2]); |
117 | |
161 | |
118 | /* we hijack an hopefully unused CV flag for our purposes */ |
162 | /* we hijack an hopefully unused CV flag for our purposes */ |
119 | #define CVf_SLF 0x4000 |
163 | #define CVf_SLF 0x4000 |
… | |
… | |
134 | |
178 | |
135 | static GV *irsgv; /* $/ */ |
179 | static GV *irsgv; /* $/ */ |
136 | static GV *stdoutgv; /* *STDOUT */ |
180 | static GV *stdoutgv; /* *STDOUT */ |
137 | static SV *rv_diehook; |
181 | static SV *rv_diehook; |
138 | static SV *rv_warnhook; |
182 | static SV *rv_warnhook; |
139 | static HV *hv_sig; /* %SIG */ |
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140 | |
183 | |
141 | /* async_pool helper stuff */ |
184 | /* async_pool helper stuff */ |
142 | static SV *sv_pool_rss; |
185 | static SV *sv_pool_rss; |
143 | static SV *sv_pool_size; |
186 | static SV *sv_pool_size; |
144 | static SV *sv_async_pool_idle; /* description string */ |
187 | static SV *sv_async_pool_idle; /* description string */ |
… | |
… | |
172 | typedef struct coro_cctx |
215 | typedef struct coro_cctx |
173 | { |
216 | { |
174 | struct coro_cctx *next; |
217 | struct coro_cctx *next; |
175 | |
218 | |
176 | /* the stack */ |
219 | /* the stack */ |
177 | void *sptr; |
220 | struct coro_stack stack; |
178 | size_t ssize; |
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179 | |
221 | |
180 | /* cpu state */ |
222 | /* cpu state */ |
181 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
223 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
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224 | #ifndef NDEBUG |
182 | JMPENV *idle_te; /* same as idle_sp, but for top_env, TODO: remove once stable */ |
225 | JMPENV *idle_te; /* same as idle_sp, but for top_env */ |
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226 | #endif |
183 | JMPENV *top_env; |
227 | JMPENV *top_env; |
184 | coro_context cctx; |
228 | coro_context cctx; |
185 | |
229 | |
186 | U32 gen; |
230 | U32 gen; |
187 | #if CORO_USE_VALGRIND |
231 | #if CORO_USE_VALGRIND |
… | |
… | |
207 | }; |
251 | }; |
208 | |
252 | |
209 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
253 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
210 | typedef struct |
254 | typedef struct |
211 | { |
255 | { |
212 | #define VARx(name,expr,type) type name; |
256 | #define VARx(name,expr,type) type name; |
213 | # include "state.h" |
257 | #include "state.h" |
214 | #undef VARx |
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215 | } perl_slots; |
258 | } perl_slots; |
216 | |
259 | |
217 | // how many context stack entries do we need for perl_slots |
260 | /* how many context stack entries do we need for perl_slots */ |
218 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
261 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
219 | |
262 | |
220 | /* this is a structure representing a perl-level coroutine */ |
263 | /* this is a structure representing a perl-level coroutine */ |
221 | struct coro |
264 | struct coro |
222 | { |
265 | { |
… | |
… | |
240 | int usecount; /* number of transfers to this coro */ |
283 | int usecount; /* number of transfers to this coro */ |
241 | |
284 | |
242 | /* coro process data */ |
285 | /* coro process data */ |
243 | int prio; |
286 | int prio; |
244 | SV *except; /* exception to be thrown */ |
287 | SV *except; /* exception to be thrown */ |
245 | SV *rouse_cb; /* last rouse callback */ |
288 | SV *rouse_cb; /* most recently created rouse callback */ |
246 | AV *on_destroy; /* callbacks or coros to notify on destroy */ |
289 | AV *on_destroy; /* callbacks or coros to notify on destroy */ |
247 | AV *status; /* the exit status list */ |
290 | AV *status; /* the exit status list */ |
248 | |
291 | |
249 | /* async_pool */ |
292 | /* async_pool */ |
250 | SV *saved_deffh; |
293 | SV *saved_deffh; |
251 | SV *invoke_cb; |
294 | SV *invoke_cb; |
252 | AV *invoke_av; |
295 | AV *invoke_av; |
253 | |
296 | |
254 | /* on_enter/on_leave */ |
297 | /* on_enter/on_leave */ |
255 | AV *on_enter; |
298 | AV *on_enter; AV *on_enter_xs; |
256 | AV *on_leave; |
299 | AV *on_leave; AV *on_leave_xs; |
257 | |
300 | |
258 | /* swap_sv */ |
301 | /* swap_sv */ |
259 | AV *swap_sv; |
302 | AV *swap_sv; |
260 | |
303 | |
261 | /* times */ |
304 | /* times */ |
… | |
… | |
291 | #define coro_nready coroapi.nready |
334 | #define coro_nready coroapi.nready |
292 | |
335 | |
293 | /** JIT *********************************************************************/ |
336 | /** JIT *********************************************************************/ |
294 | |
337 | |
295 | #if CORO_JIT |
338 | #if CORO_JIT |
|
|
339 | /* APPLE doesn't have mmap though */ |
|
|
340 | #define CORO_JIT_UNIXY (__linux || __FreeBSD__ || __OpenBSD__ || __NetBSD__ || __solaris || __APPLE__) |
296 | #ifndef CORO_JIT_TYPE |
341 | #ifndef CORO_JIT_TYPE |
297 | #if __linux && __amd64 |
342 | #if ECB_AMD64 && CORO_JIT_UNIXY |
298 | #define CORO_JIT_TYPE "amd64-unix" |
343 | #define CORO_JIT_TYPE "amd64-unix" |
299 | typedef void (*load_save_perl_slots_type)(perl_slots *); |
344 | #elif __i386 && CORO_JIT_UNIXY |
300 | #else |
345 | #define CORO_JIT_TYPE "x86-unix" |
301 | #undef CORO_JIT |
|
|
302 | #endif |
346 | #endif |
303 | #endif |
347 | #endif |
304 | #endif |
348 | #endif |
305 | |
349 | |
|
|
350 | #if !defined(CORO_JIT_TYPE) || _POSIX_MEMORY_PROTECTION <= 0 |
|
|
351 | #undef CORO_JIT |
|
|
352 | #endif |
|
|
353 | |
306 | #if CORO_JIT |
354 | #if CORO_JIT |
307 | |
355 | typedef void (*load_save_perl_slots_type)(perl_slots *); |
308 | static load_save_perl_slots_type load_perl_slots, save_perl_slots; |
356 | static load_save_perl_slots_type load_perl_slots, save_perl_slots; |
309 | |
|
|
310 | #endif |
357 | #endif |
311 | |
358 | |
312 | /** Coro::Select ************************************************************/ |
359 | /** Coro::Select ************************************************************/ |
313 | |
360 | |
314 | static OP *(*coro_old_pp_sselect) (pTHX); |
361 | static OP *(*coro_old_pp_sselect) (pTHX); |
… | |
… | |
331 | |
378 | |
332 | /** time stuff **************************************************************/ |
379 | /** time stuff **************************************************************/ |
333 | |
380 | |
334 | #ifdef HAS_GETTIMEOFDAY |
381 | #ifdef HAS_GETTIMEOFDAY |
335 | |
382 | |
336 | ECB_INLINE void |
383 | ecb_inline void |
337 | coro_u2time (pTHX_ UV ret[2]) |
384 | coro_u2time (pTHX_ UV ret[2]) |
338 | { |
385 | { |
339 | struct timeval tv; |
386 | struct timeval tv; |
340 | gettimeofday (&tv, 0); |
387 | gettimeofday (&tv, 0); |
341 | |
388 | |
342 | ret [0] = tv.tv_sec; |
389 | ret [0] = tv.tv_sec; |
343 | ret [1] = tv.tv_usec; |
390 | ret [1] = tv.tv_usec; |
344 | } |
391 | } |
345 | |
392 | |
346 | ECB_INLINE double |
393 | ecb_inline double |
347 | coro_nvtime () |
394 | coro_nvtime (void) |
348 | { |
395 | { |
349 | struct timeval tv; |
396 | struct timeval tv; |
350 | gettimeofday (&tv, 0); |
397 | gettimeofday (&tv, 0); |
351 | |
398 | |
352 | return tv.tv_sec + tv.tv_usec * 1e-6; |
399 | return tv.tv_sec + tv.tv_usec * 1e-6; |
353 | } |
400 | } |
354 | |
401 | |
355 | ECB_INLINE void |
402 | ecb_inline void |
356 | time_init (pTHX) |
403 | time_init (pTHX) |
357 | { |
404 | { |
358 | nvtime = coro_nvtime; |
405 | nvtime = coro_nvtime; |
359 | u2time = coro_u2time; |
406 | u2time = coro_u2time; |
360 | } |
407 | } |
361 | |
408 | |
362 | #else |
409 | #else |
363 | |
410 | |
364 | ECB_INLINE void |
411 | ecb_inline void |
365 | time_init (pTHX) |
412 | time_init (pTHX) |
366 | { |
413 | { |
367 | SV **svp; |
414 | SV **svp; |
368 | |
415 | |
369 | require_pv ("Time/HiRes.pm"); |
416 | require_pv ("Time/HiRes.pm"); |
370 | |
417 | |
371 | svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
418 | svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
372 | |
419 | |
373 | if (!svp) croak ("Time::HiRes is required, but missing. Caught"); |
420 | if (!svp) croak ("Time::HiRes is required, but missing. Caught"); |
374 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer. Caught"); |
421 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer. Caught"); |
375 | |
422 | |
… | |
… | |
411 | get_hv (name, create); |
458 | get_hv (name, create); |
412 | #endif |
459 | #endif |
413 | return get_hv (name, create); |
460 | return get_hv (name, create); |
414 | } |
461 | } |
415 | |
462 | |
416 | ECB_INLINE void |
463 | ecb_inline void |
417 | coro_times_update () |
464 | coro_times_update (void) |
418 | { |
465 | { |
419 | #ifdef coro_clock_gettime |
466 | #ifdef coro_clock_gettime |
420 | struct timespec ts; |
467 | struct timespec ts; |
421 | |
468 | |
422 | ts.tv_sec = ts.tv_nsec = 0; |
469 | ts.tv_sec = ts.tv_nsec = 0; |
… | |
… | |
434 | time_real [0] = tv [0]; |
481 | time_real [0] = tv [0]; |
435 | time_real [1] = tv [1] * 1000; |
482 | time_real [1] = tv [1] * 1000; |
436 | #endif |
483 | #endif |
437 | } |
484 | } |
438 | |
485 | |
439 | ECB_INLINE void |
486 | ecb_inline void |
440 | coro_times_add (struct coro *c) |
487 | coro_times_add (struct coro *c) |
441 | { |
488 | { |
442 | c->t_real [1] += time_real [1]; |
489 | c->t_real [1] += time_real [1]; |
443 | if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } |
490 | if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } |
444 | c->t_real [0] += time_real [0]; |
491 | c->t_real [0] += time_real [0]; |
… | |
… | |
446 | c->t_cpu [1] += time_cpu [1]; |
493 | c->t_cpu [1] += time_cpu [1]; |
447 | if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } |
494 | if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } |
448 | c->t_cpu [0] += time_cpu [0]; |
495 | c->t_cpu [0] += time_cpu [0]; |
449 | } |
496 | } |
450 | |
497 | |
451 | ECB_INLINE void |
498 | ecb_inline void |
452 | coro_times_sub (struct coro *c) |
499 | coro_times_sub (struct coro *c) |
453 | { |
500 | { |
454 | if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } |
501 | if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } |
455 | c->t_real [1] -= time_real [1]; |
502 | c->t_real [1] -= time_real [1]; |
456 | c->t_real [0] -= time_real [0]; |
503 | c->t_real [0] -= time_real [0]; |
… | |
… | |
477 | : 0) |
524 | : 0) |
478 | |
525 | |
479 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
526 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
480 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
527 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
481 | |
528 | |
482 | ECB_INLINE MAGIC * |
529 | ecb_inline MAGIC * |
483 | SvSTATEhv_p (pTHX_ SV *coro) |
530 | SvSTATEhv_p (pTHX_ SV *coro) |
484 | { |
531 | { |
485 | MAGIC *mg; |
532 | MAGIC *mg; |
486 | |
533 | |
487 | if (ecb_expect_true ( |
534 | if (ecb_expect_true ( |
… | |
… | |
492 | return mg; |
539 | return mg; |
493 | |
540 | |
494 | return 0; |
541 | return 0; |
495 | } |
542 | } |
496 | |
543 | |
497 | ECB_INLINE struct coro * |
544 | ecb_inline struct coro * |
498 | SvSTATE_ (pTHX_ SV *coro) |
545 | SvSTATE_ (pTHX_ SV *coro_sv) |
499 | { |
546 | { |
500 | MAGIC *mg; |
547 | MAGIC *mg; |
501 | |
548 | |
502 | if (SvROK (coro)) |
549 | if (SvROK (coro_sv)) |
503 | coro = SvRV (coro); |
550 | coro_sv = SvRV (coro_sv); |
504 | |
551 | |
505 | mg = SvSTATEhv_p (aTHX_ coro); |
552 | mg = SvSTATEhv_p (aTHX_ coro_sv); |
506 | if (!mg) |
553 | if (!mg) |
507 | croak ("Coro::State object required"); |
554 | croak ("Coro::State object required"); |
508 | |
555 | |
509 | return (struct coro *)mg->mg_ptr; |
556 | return (struct coro *)mg->mg_ptr; |
510 | } |
557 | } |
… | |
… | |
516 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
563 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
517 | |
564 | |
518 | /*****************************************************************************/ |
565 | /*****************************************************************************/ |
519 | /* padlist management and caching */ |
566 | /* padlist management and caching */ |
520 | |
567 | |
521 | ECB_INLINE AV * |
568 | ecb_inline PADLIST * |
522 | coro_derive_padlist (pTHX_ CV *cv) |
569 | coro_derive_padlist (pTHX_ CV *cv) |
523 | { |
570 | { |
524 | AV *padlist = CvPADLIST (cv); |
571 | PADLIST *padlist = CvPADLIST (cv); |
525 | AV *newpadlist, *newpad; |
572 | PADLIST *newpadlist; |
|
|
573 | PADNAMELIST *padnames; |
|
|
574 | PAD *newpad; |
|
|
575 | PADOFFSET off = PadlistMAX (padlist) + 1; |
526 | |
576 | |
527 | 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. */ |
528 | AvREAL_off (newpadlist); |
605 | AvREAL_off (newpadlist); |
529 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
530 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1); |
|
|
531 | #else |
|
|
532 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
|
|
533 | #endif |
606 | #endif |
534 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
|
|
535 | --AvFILLp (padlist); |
|
|
536 | |
607 | |
537 | av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0])); |
608 | /* Already extended to 2 elements by newPADLIST. */ |
538 | 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; |
539 | |
616 | |
540 | return newpadlist; |
617 | return newpadlist; |
541 | } |
618 | } |
542 | |
619 | |
543 | ECB_INLINE void |
620 | ecb_inline void |
544 | free_padlist (pTHX_ AV *padlist) |
621 | free_padlist (pTHX_ PADLIST *padlist) |
545 | { |
622 | { |
546 | /* may be during global destruction */ |
623 | /* may be during global destruction */ |
547 | if (!IN_DESTRUCT) |
624 | if (!IN_DESTRUCT) |
548 | { |
625 | { |
549 | I32 i = AvFILLp (padlist); |
626 | I32 i = PadlistMAX (padlist); |
550 | |
627 | |
551 | while (i > 0) /* special-case index 0 */ |
628 | while (i > 0) /* special-case index 0 */ |
552 | { |
629 | { |
553 | /* we try to be extra-careful here */ |
630 | /* we try to be extra-careful here */ |
554 | AV *av = (AV *)AvARRAY (padlist)[i--]; |
631 | PAD *pad = PadlistARRAY (padlist)[i--]; |
555 | I32 j = AvFILLp (av); |
|
|
556 | |
632 | |
|
|
633 | if (pad) |
|
|
634 | { |
|
|
635 | I32 j = PadMAX (pad); |
|
|
636 | |
557 | while (j >= 0) |
637 | while (j >= 0) |
558 | SvREFCNT_dec (AvARRAY (av)[j--]); |
638 | SvREFCNT_dec (PadARRAY (pad)[j--]); |
559 | |
639 | |
560 | AvFILLp (av) = -1; |
640 | PadMAX (pad) = -1; |
561 | SvREFCNT_dec (av); |
641 | SvREFCNT_dec (pad); |
|
|
642 | } |
562 | } |
643 | } |
563 | |
644 | |
564 | SvREFCNT_dec (AvARRAY (padlist)[0]); |
645 | PadnamelistREFCNT_dec (PadlistNAMES (padlist)); |
565 | |
646 | |
|
|
647 | #if NEWPADAPI |
|
|
648 | Safefree (PadlistARRAY (padlist)); |
|
|
649 | Safefree (padlist); |
|
|
650 | #else |
566 | AvFILLp (padlist) = -1; |
651 | AvFILLp (padlist) = -1; |
|
|
652 | AvREAL_off (padlist); |
567 | SvREFCNT_dec ((SV*)padlist); |
653 | SvREFCNT_dec ((SV*)padlist); |
|
|
654 | #endif |
568 | } |
655 | } |
569 | } |
656 | } |
570 | |
657 | |
571 | static int |
658 | static int |
572 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
659 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
573 | { |
660 | { |
574 | AV *padlist; |
661 | PADLIST *padlist; |
575 | 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; |
576 | |
664 | |
577 | /* perl manages to free our internal AV and _then_ call us */ |
665 | /* perl manages to free our internal AV and _then_ call us */ |
578 | if (IN_DESTRUCT) |
666 | if (IN_DESTRUCT) |
579 | return 0; |
667 | return 0; |
580 | |
668 | |
581 | /* casting is fun. */ |
669 | while (len--) |
582 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
|
|
583 | free_padlist (aTHX_ padlist); |
670 | free_padlist (aTHX_ padlists[len]); |
584 | |
|
|
585 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
|
|
586 | |
671 | |
587 | return 0; |
672 | return 0; |
588 | } |
673 | } |
589 | |
674 | |
590 | static MGVTBL coro_cv_vtbl = { |
675 | static MGVTBL coro_cv_vtbl = { |
591 | 0, 0, 0, 0, |
676 | 0, 0, 0, 0, |
592 | coro_cv_free |
677 | coro_cv_free |
593 | }; |
678 | }; |
594 | |
679 | |
595 | /* the next two functions merely cache the padlists */ |
680 | /* the next two functions merely cache the padlists */ |
596 | ECB_INLINE void |
681 | ecb_inline void |
597 | get_padlist (pTHX_ CV *cv) |
682 | get_padlist (pTHX_ CV *cv) |
598 | { |
683 | { |
599 | MAGIC *mg = CORO_MAGIC_cv (cv); |
684 | MAGIC *mg = CORO_MAGIC_cv (cv); |
600 | AV *av; |
685 | size_t *lenp; |
601 | |
686 | |
602 | if (ecb_expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
687 | if (ecb_expect_true (mg && *(lenp = (size_t *)mg->mg_ptr))) |
603 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
688 | CvPADLIST (cv) = ((PADLIST **)(mg->mg_ptr + sizeof(size_t)))[--*lenp]; |
604 | else |
689 | else |
605 | { |
690 | { |
606 | #if CORO_PREFER_PERL_FUNCTIONS |
691 | #if CORO_PREFER_PERL_FUNCTIONS |
607 | /* this is probably cleaner? but also slower! */ |
692 | /* this is probably cleaner? but also slower! */ |
608 | /* in practise, it seems to be less stable */ |
693 | /* in practise, it seems to be less stable */ |
… | |
… | |
614 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
699 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
615 | #endif |
700 | #endif |
616 | } |
701 | } |
617 | } |
702 | } |
618 | |
703 | |
619 | ECB_INLINE void |
704 | ecb_inline void |
620 | put_padlist (pTHX_ CV *cv) |
705 | put_padlist (pTHX_ CV *cv) |
621 | { |
706 | { |
622 | MAGIC *mg = CORO_MAGIC_cv (cv); |
707 | MAGIC *mg = CORO_MAGIC_cv (cv); |
623 | AV *av; |
|
|
624 | |
708 | |
625 | if (ecb_expect_false (!mg)) |
709 | if (ecb_expect_false (!mg)) |
|
|
710 | { |
626 | 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); |
627 | |
719 | |
628 | av = (AV *)mg->mg_obj; |
720 | ((PADLIST **)(mg->mg_ptr + sizeof (size_t))) [(*(size_t *)mg->mg_ptr)++] = CvPADLIST (cv); |
629 | |
|
|
630 | if (ecb_expect_false (AvFILLp (av) >= AvMAX (av))) |
|
|
631 | av_extend (av, AvFILLp (av) + 1); |
|
|
632 | |
|
|
633 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
|
|
634 | } |
721 | } |
635 | |
722 | |
636 | /** load & save, init *******************************************************/ |
723 | /** load & save, init *******************************************************/ |
637 | |
724 | |
|
|
725 | ecb_inline void |
|
|
726 | swap_sv (SV *a, SV *b) |
|
|
727 | { |
|
|
728 | const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */ |
|
|
729 | SV tmp; |
|
|
730 | |
|
|
731 | /* swap sv_any */ |
|
|
732 | SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp); |
|
|
733 | |
|
|
734 | /* swap sv_flags */ |
|
|
735 | SvFLAGS (&tmp) = SvFLAGS (a); |
|
|
736 | SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep); |
|
|
737 | SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep); |
|
|
738 | |
|
|
739 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
740 | /* perl 5.10 and later complicates this _quite_ a bit, but it also |
|
|
741 | * is much faster, so no quarrels here. alternatively, we could |
|
|
742 | * sv_upgrade to avoid this. |
|
|
743 | */ |
|
|
744 | { |
|
|
745 | /* swap sv_u */ |
|
|
746 | tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u; |
|
|
747 | |
|
|
748 | /* if SvANY points to the head, we need to adjust the pointers, |
|
|
749 | * as the pointer for a still points to b, and maybe vice versa. |
|
|
750 | */ |
|
|
751 | U32 svany_in_head_set = (1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV); |
|
|
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))) |
|
|
757 | |
|
|
758 | if (svany_in_head (SvTYPE (a))) |
|
|
759 | SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a); |
|
|
760 | |
|
|
761 | if (svany_in_head (SvTYPE (b))) |
|
|
762 | SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b); |
|
|
763 | } |
|
|
764 | #endif |
|
|
765 | } |
|
|
766 | |
638 | /* swap sv heads, at least logically */ |
767 | /* swap sv heads, at least logically */ |
639 | static void |
768 | static void |
640 | swap_svs (pTHX_ Coro__State c) |
769 | swap_svs_enter (pTHX_ Coro__State c) |
641 | { |
770 | { |
642 | int i; |
771 | int i; |
643 | |
772 | |
644 | for (i = 0; i <= AvFILLp (c->swap_sv); ) |
773 | for (i = 0; i <= AvFILLp (c->swap_sv); i += 2) |
645 | { |
774 | swap_sv (AvARRAY (c->swap_sv)[i], AvARRAY (c->swap_sv)[i + 1]); |
646 | SV *a = AvARRAY (c->swap_sv)[i++]; |
|
|
647 | SV *b = AvARRAY (c->swap_sv)[i++]; |
|
|
648 | |
|
|
649 | const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */ |
|
|
650 | SV tmp; |
|
|
651 | |
|
|
652 | /* swap sv_any */ |
|
|
653 | SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp); |
|
|
654 | |
|
|
655 | /* swap sv_flags */ |
|
|
656 | SvFLAGS (&tmp) = SvFLAGS (a); |
|
|
657 | SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep); |
|
|
658 | SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep); |
|
|
659 | |
|
|
660 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
661 | /* perl 5.10 complicates this _quite_ a bit, but it also is |
|
|
662 | * much faster, so no quarrels here. alternatively, we could |
|
|
663 | * sv_upgrade to avoid this. |
|
|
664 | */ |
|
|
665 | { |
|
|
666 | /* swap sv_u */ |
|
|
667 | tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u; |
|
|
668 | |
|
|
669 | /* if SvANY points to the head, we need to adjust the pointers, |
|
|
670 | * as the pointer for a still points to b, and maybe vice versa. |
|
|
671 | */ |
|
|
672 | #define svany_in_head(type) \ |
|
|
673 | (((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type))) |
|
|
674 | |
|
|
675 | if (svany_in_head (SvTYPE (a))) |
|
|
676 | SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a); |
|
|
677 | |
|
|
678 | if (svany_in_head (SvTYPE (b))) |
|
|
679 | SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b); |
|
|
680 | } |
|
|
681 | #endif |
|
|
682 | } |
|
|
683 | } |
775 | } |
684 | |
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 | |
685 | #define SWAP_SVS(coro) \ |
786 | #define SWAP_SVS_ENTER(coro) \ |
686 | if (ecb_expect_false ((coro)->swap_sv)) \ |
787 | if (ecb_expect_false ((coro)->swap_sv)) \ |
687 | 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)) |
688 | |
793 | |
689 | static void |
794 | static void |
690 | on_enterleave_call (pTHX_ SV *cb); |
795 | on_enterleave_call (pTHX_ SV *cb); |
691 | |
796 | |
692 | static void |
797 | static void |
… | |
… | |
699 | |
804 | |
700 | #if CORO_JIT |
805 | #if CORO_JIT |
701 | load_perl_slots (slot); |
806 | load_perl_slots (slot); |
702 | #else |
807 | #else |
703 | #define VARx(name,expr,type) expr = slot->name; |
808 | #define VARx(name,expr,type) expr = slot->name; |
704 | # include "state.h" |
809 | #include "state.h" |
705 | #undef VARx |
|
|
706 | #endif |
810 | #endif |
707 | |
811 | |
708 | { |
812 | { |
709 | dSP; |
813 | dSP; |
710 | |
814 | |
… | |
… | |
713 | /* now do the ugly restore mess */ |
817 | /* now do the ugly restore mess */ |
714 | while (ecb_expect_true (cv = (CV *)POPs)) |
818 | while (ecb_expect_true (cv = (CV *)POPs)) |
715 | { |
819 | { |
716 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
820 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
717 | CvDEPTH (cv) = PTR2IV (POPs); |
821 | CvDEPTH (cv) = PTR2IV (POPs); |
718 | CvPADLIST (cv) = (AV *)POPs; |
822 | CvPADLIST (cv) = (PADLIST *)POPs; |
719 | } |
823 | } |
720 | |
824 | |
721 | PUTBACK; |
825 | PUTBACK; |
722 | } |
826 | } |
723 | |
827 | |
… | |
… | |
738 | |
842 | |
739 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
843 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
740 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
844 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
741 | } |
845 | } |
742 | |
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 | |
743 | SWAP_SVS (c); |
855 | SWAP_SVS_ENTER (c); |
744 | } |
856 | } |
745 | |
857 | |
746 | static void |
858 | static void |
747 | save_perl (pTHX_ Coro__State c) |
859 | save_perl (pTHX_ Coro__State c) |
748 | { |
860 | { |
749 | 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 | } |
750 | |
870 | |
751 | if (ecb_expect_false (c->on_leave)) |
871 | if (ecb_expect_false (c->on_leave)) |
752 | { |
872 | { |
753 | int i; |
873 | int i; |
754 | |
874 | |
… | |
… | |
813 | |
933 | |
814 | PUTBACK; |
934 | PUTBACK; |
815 | } |
935 | } |
816 | |
936 | |
817 | /* allocate some space on the context stack for our purposes */ |
937 | /* allocate some space on the context stack for our purposes */ |
818 | if (ecb_expect_false (cxstack_ix + SLOT_COUNT >= cxstack_max)) |
938 | if (ecb_expect_false (cxstack_ix + (int)SLOT_COUNT >= cxstack_max)) |
819 | { |
939 | { |
820 | unsigned int i; |
940 | unsigned int i; |
821 | |
941 | |
822 | for (i = 0; i < SLOT_COUNT; ++i) |
942 | for (i = 0; i < SLOT_COUNT; ++i) |
823 | CXINC; |
943 | CXINC; |
… | |
… | |
832 | |
952 | |
833 | #if CORO_JIT |
953 | #if CORO_JIT |
834 | save_perl_slots (slot); |
954 | save_perl_slots (slot); |
835 | #else |
955 | #else |
836 | #define VARx(name,expr,type) slot->name = expr; |
956 | #define VARx(name,expr,type) slot->name = expr; |
837 | # include "state.h" |
957 | #include "state.h" |
838 | #undef VARx |
|
|
839 | #endif |
958 | #endif |
840 | } |
959 | } |
841 | } |
960 | } |
842 | |
961 | |
843 | /* |
962 | /* |
… | |
… | |
875 | #endif |
994 | #endif |
876 | |
995 | |
877 | New(54,PL_scopestack,8,I32); |
996 | New(54,PL_scopestack,8,I32); |
878 | PL_scopestack_ix = 0; |
997 | PL_scopestack_ix = 0; |
879 | PL_scopestack_max = 8; |
998 | PL_scopestack_max = 8; |
|
|
999 | #if HAS_SCOPESTACK_NAME |
|
|
1000 | New(54,PL_scopestack_name,8,const char*); |
|
|
1001 | #endif |
880 | |
1002 | |
881 | New(54,PL_savestack,24,ANY); |
1003 | New(54,PL_savestack,24,ANY); |
882 | PL_savestack_ix = 0; |
1004 | PL_savestack_ix = 0; |
883 | 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 |
884 | |
1011 | |
885 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1012 | #if !PERL_VERSION_ATLEAST (5,10,0) |
886 | New(54,PL_retstack,4,OP*); |
1013 | New(54,PL_retstack,4,OP*); |
887 | PL_retstack_ix = 0; |
1014 | PL_retstack_ix = 0; |
888 | PL_retstack_max = 4; |
1015 | PL_retstack_max = 4; |
… | |
… | |
912 | } |
1039 | } |
913 | |
1040 | |
914 | Safefree (PL_tmps_stack); |
1041 | Safefree (PL_tmps_stack); |
915 | Safefree (PL_markstack); |
1042 | Safefree (PL_markstack); |
916 | Safefree (PL_scopestack); |
1043 | Safefree (PL_scopestack); |
|
|
1044 | #if HAS_SCOPESTACK_NAME |
|
|
1045 | Safefree (PL_scopestack_name); |
|
|
1046 | #endif |
917 | Safefree (PL_savestack); |
1047 | Safefree (PL_savestack); |
918 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1048 | #if !PERL_VERSION_ATLEAST (5,10,0) |
919 | Safefree (PL_retstack); |
1049 | Safefree (PL_retstack); |
920 | #endif |
1050 | #endif |
921 | } |
1051 | } |
… | |
… | |
951 | } |
1081 | } |
952 | |
1082 | |
953 | return rss; |
1083 | return rss; |
954 | } |
1084 | } |
955 | |
1085 | |
956 | /** coroutine stack handling ************************************************/ |
1086 | /** provide custom get/set/clear methods for %SIG elements ******************/ |
957 | |
|
|
958 | static int (*orig_sigelem_get) (pTHX_ SV *sv, MAGIC *mg); |
|
|
959 | static int (*orig_sigelem_set) (pTHX_ SV *sv, MAGIC *mg); |
|
|
960 | static int (*orig_sigelem_clr) (pTHX_ SV *sv, MAGIC *mg); |
|
|
961 | |
1087 | |
962 | /* apparently < 5.8.8 */ |
1088 | /* apparently < 5.8.8 */ |
963 | #ifndef MgPV_nolen_const |
1089 | #ifndef MgPV_nolen_const |
964 | #define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \ |
1090 | #define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \ |
965 | SvPV_nolen((SV*)((mg)->mg_ptr)) : \ |
1091 | SvPV_nolen((SV*)((mg)->mg_ptr)) : \ |
966 | (const char*)(mg)->mg_ptr) |
1092 | (const char*)(mg)->mg_ptr) |
967 | #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 | }; |
968 | |
1122 | |
969 | /* |
1123 | /* |
970 | * This overrides the default magic get method of %SIG elements. |
1124 | * This overrides the default magic get method of %SIG elements. |
971 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
1125 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
972 | * and instead of trying to save and restore the hash elements (extremely slow), |
1126 | * and instead of trying to save and restore the hash elements (extremely slow), |
… | |
… | |
974 | */ |
1128 | */ |
975 | static int ecb_cold |
1129 | static int ecb_cold |
976 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
1130 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
977 | { |
1131 | { |
978 | 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; |
979 | |
1135 | |
980 | if (*s == '_') |
1136 | SV *ssv; |
981 | { |
|
|
982 | SV **svp = 0; |
|
|
983 | |
1137 | |
984 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
|
|
985 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
|
|
986 | |
|
|
987 | if (svp) |
1138 | if (!*svp) |
988 | { |
1139 | ssv = &PL_sv_undef; |
989 | sv_setsv (sv, *svp ? *svp : &PL_sv_undef); |
1140 | else if (SvTYPE (*svp) == SVt_PVCV) /* perlio directly stores a CV in warnhook. ugh. */ |
990 | return 0; |
1141 | ssv = sv_2mortal (newRV_inc (*svp)); |
991 | } |
1142 | else |
992 | } |
1143 | ssv = *svp; |
993 | |
1144 | |
994 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
1145 | sv_setsv (sv, ssv); |
|
|
1146 | return 0; |
995 | } |
1147 | } |
996 | |
1148 | |
997 | static int ecb_cold |
1149 | static int ecb_cold |
998 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
1150 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
999 | { |
1151 | { |
1000 | 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; |
1001 | |
1155 | |
1002 | if (*s == '_') |
|
|
1003 | { |
|
|
1004 | SV **svp = 0; |
|
|
1005 | |
|
|
1006 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
|
|
1007 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
|
|
1008 | |
|
|
1009 | if (svp) |
|
|
1010 | { |
|
|
1011 | SV *old = *svp; |
1156 | SV *old = *svp; |
1012 | *svp = 0; |
1157 | *svp = 0; |
1013 | SvREFCNT_dec (old); |
1158 | SvREFCNT_dec (old); |
1014 | return 0; |
1159 | return 0; |
1015 | } |
|
|
1016 | } |
|
|
1017 | |
|
|
1018 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
|
|
1019 | } |
1160 | } |
1020 | |
1161 | |
1021 | static int ecb_cold |
1162 | static int ecb_cold |
1022 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
1163 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
1023 | { |
1164 | { |
1024 | 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; |
1025 | |
1168 | |
1026 | if (*s == '_') |
|
|
1027 | { |
|
|
1028 | SV **svp = 0; |
|
|
1029 | |
|
|
1030 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
|
|
1031 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
|
|
1032 | |
|
|
1033 | if (svp) |
|
|
1034 | { |
|
|
1035 | SV *old = *svp; |
1169 | SV *old = *svp; |
1036 | *svp = SvOK (sv) ? newSVsv (sv) : 0; |
1170 | *svp = SvOK (sv) ? newSVsv (sv) : 0; |
1037 | SvREFCNT_dec (old); |
1171 | SvREFCNT_dec (old); |
1038 | return 0; |
1172 | return 0; |
1039 | } |
|
|
1040 | } |
|
|
1041 | |
|
|
1042 | return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0; |
|
|
1043 | } |
1173 | } |
1044 | |
1174 | |
1045 | static void |
1175 | static void |
1046 | prepare_nop (pTHX_ struct coro_transfer_args *ta) |
1176 | prepare_nop (pTHX_ struct coro_transfer_args *ta) |
1047 | { |
1177 | { |
… | |
… | |
1058 | static int |
1188 | static int |
1059 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
1189 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
1060 | { |
1190 | { |
1061 | return 1; |
1191 | return 1; |
1062 | } |
1192 | } |
|
|
1193 | |
|
|
1194 | /** coroutine stack handling ************************************************/ |
1063 | |
1195 | |
1064 | static UNOP init_perl_op; |
1196 | static UNOP init_perl_op; |
1065 | |
1197 | |
1066 | 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 */ |
1067 | init_perl (pTHX_ struct coro *coro) |
1199 | init_perl (pTHX_ struct coro *coro) |
… | |
… | |
1088 | PL_hints = 0; |
1220 | PL_hints = 0; |
1089 | |
1221 | |
1090 | /* recreate the die/warn hooks */ |
1222 | /* recreate the die/warn hooks */ |
1091 | PL_diehook = SvREFCNT_inc (rv_diehook); |
1223 | PL_diehook = SvREFCNT_inc (rv_diehook); |
1092 | PL_warnhook = SvREFCNT_inc (rv_warnhook); |
1224 | PL_warnhook = SvREFCNT_inc (rv_warnhook); |
1093 | |
1225 | |
1094 | GvSV (PL_defgv) = newSV (0); |
1226 | GvSV (PL_defgv) = newSV (0); |
1095 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1227 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1096 | GvSV (PL_errgv) = newSV (0); |
1228 | GvSV (PL_errgv) = newSV (0); |
1097 | 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); |
1098 | 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 |
1099 | PL_rs = newSVsv (GvSV (irsgv)); |
1234 | PL_rs = newSVsv (GvSV (irsgv)); |
1100 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
1235 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
1101 | |
1236 | |
1102 | { |
1237 | { |
1103 | dSP; |
1238 | dSP; |
… | |
… | |
1107 | myop.op_next = Nullop; |
1242 | myop.op_next = Nullop; |
1108 | myop.op_type = OP_ENTERSUB; |
1243 | myop.op_type = OP_ENTERSUB; |
1109 | myop.op_flags = OPf_WANT_VOID; |
1244 | myop.op_flags = OPf_WANT_VOID; |
1110 | |
1245 | |
1111 | PUSHMARK (SP); |
1246 | PUSHMARK (SP); |
1112 | PUSHs ((SV *)coro->startcv); |
1247 | XPUSHs ((SV *)coro->startcv); |
1113 | PUTBACK; |
1248 | PUTBACK; |
1114 | PL_op = (OP *)&myop; |
1249 | PL_op = (OP *)&myop; |
1115 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
1250 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
1116 | } |
1251 | } |
1117 | |
1252 | |
… | |
… | |
1131 | PL_op = (OP *)&init_perl_op; |
1266 | PL_op = (OP *)&init_perl_op; |
1132 | |
1267 | |
1133 | /* copy throw, in case it was set before init_perl */ |
1268 | /* copy throw, in case it was set before init_perl */ |
1134 | CORO_THROW = coro->except; |
1269 | CORO_THROW = coro->except; |
1135 | |
1270 | |
1136 | SWAP_SVS (coro); |
1271 | SWAP_SVS_ENTER (coro); |
1137 | |
1272 | |
1138 | if (ecb_expect_false (enable_times)) |
1273 | if (ecb_expect_false (enable_times)) |
1139 | { |
1274 | { |
1140 | coro_times_update (); |
1275 | coro_times_update (); |
1141 | coro_times_sub (coro); |
1276 | coro_times_sub (coro); |
… | |
… | |
1179 | /* this will cause transfer_check to croak on block*/ |
1314 | /* this will cause transfer_check to croak on block*/ |
1180 | SvRV_set (coro_current, (SV *)coro->hv); |
1315 | SvRV_set (coro_current, (SV *)coro->hv); |
1181 | |
1316 | |
1182 | load_perl (aTHX_ coro); |
1317 | load_perl (aTHX_ coro); |
1183 | |
1318 | |
|
|
1319 | /* restore swapped sv's */ |
|
|
1320 | SWAP_SVS_LEAVE (coro); |
|
|
1321 | |
1184 | coro_unwind_stacks (aTHX); |
1322 | coro_unwind_stacks (aTHX); |
1185 | |
1323 | |
1186 | /* restore swapped sv's */ |
|
|
1187 | SWAP_SVS (coro); |
|
|
1188 | |
|
|
1189 | coro_destruct_stacks (aTHX); |
1324 | coro_destruct_stacks (aTHX); |
1190 | |
1325 | |
1191 | // now save some sv's to be free'd later |
1326 | /* now save some sv's to be free'd later */ |
1192 | svf [0] = GvSV (PL_defgv); |
1327 | svf [0] = GvSV (PL_defgv); |
1193 | svf [1] = (SV *)GvAV (PL_defgv); |
1328 | svf [1] = (SV *)GvAV (PL_defgv); |
1194 | svf [2] = GvSV (PL_errgv); |
1329 | svf [2] = GvSV (PL_errgv); |
1195 | svf [3] = (SV *)PL_defoutgv; |
1330 | svf [3] = (SV *)PL_defoutgv; |
1196 | svf [4] = PL_rs; |
1331 | svf [4] = PL_rs; |
… | |
… | |
1213 | |
1348 | |
1214 | SvREFCNT_dec (coro->saved_deffh); |
1349 | SvREFCNT_dec (coro->saved_deffh); |
1215 | SvREFCNT_dec (coro->rouse_cb); |
1350 | SvREFCNT_dec (coro->rouse_cb); |
1216 | SvREFCNT_dec (coro->invoke_cb); |
1351 | SvREFCNT_dec (coro->invoke_cb); |
1217 | 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); |
1218 | } |
1355 | } |
1219 | } |
1356 | } |
1220 | |
1357 | |
1221 | ECB_INLINE void |
1358 | ecb_inline void |
1222 | free_coro_mortal (pTHX) |
1359 | free_coro_mortal (pTHX) |
1223 | { |
1360 | { |
1224 | if (ecb_expect_true (coro_mortal)) |
1361 | if (ecb_expect_true (coro_mortal)) |
1225 | { |
1362 | { |
1226 | SvREFCNT_dec ((SV *)coro_mortal); |
1363 | SvREFCNT_dec ((SV *)coro_mortal); |
… | |
… | |
1263 | av_push (av, SvREFCNT_inc_NN (*bot++)); |
1400 | av_push (av, SvREFCNT_inc_NN (*bot++)); |
1264 | |
1401 | |
1265 | PL_runops = RUNOPS_DEFAULT; |
1402 | PL_runops = RUNOPS_DEFAULT; |
1266 | ENTER; |
1403 | ENTER; |
1267 | SAVETMPS; |
1404 | SAVETMPS; |
|
|
1405 | PUSHMARK (SP); |
1268 | EXTEND (SP, 3); |
1406 | EXTEND (SP, 3); |
1269 | PUSHMARK (SP); |
|
|
1270 | PUSHs (&PL_sv_no); |
1407 | PUSHs (&PL_sv_no); |
1271 | PUSHs (fullname); |
1408 | PUSHs (fullname); |
1272 | PUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
1409 | PUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
1273 | PUTBACK; |
1410 | PUTBACK; |
1274 | 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); |
… | |
… | |
1285 | |
1422 | |
1286 | if (PL_curcop != &PL_compiling) |
1423 | if (PL_curcop != &PL_compiling) |
1287 | { |
1424 | { |
1288 | SV **cb; |
1425 | SV **cb; |
1289 | |
1426 | |
1290 | if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB) |
1427 | if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB && cxstack_ix >= 0) |
1291 | { |
1428 | { |
1292 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1429 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1293 | |
1430 | |
1294 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
1431 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
1295 | { |
1432 | { |
… | |
… | |
1301 | gv_efullname3 (fullname, gv, 0); |
1438 | gv_efullname3 (fullname, gv, 0); |
1302 | |
1439 | |
1303 | PL_runops = RUNOPS_DEFAULT; |
1440 | PL_runops = RUNOPS_DEFAULT; |
1304 | ENTER; |
1441 | ENTER; |
1305 | SAVETMPS; |
1442 | SAVETMPS; |
|
|
1443 | PUSHMARK (SP); |
1306 | EXTEND (SP, 3); |
1444 | EXTEND (SP, 3); |
1307 | PUSHMARK (SP); |
|
|
1308 | PUSHs (&PL_sv_yes); |
1445 | PUSHs (&PL_sv_yes); |
1309 | PUSHs (fullname); |
1446 | PUSHs (fullname); |
1310 | 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); |
1311 | PUTBACK; |
1448 | PUTBACK; |
1312 | 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); |
1313 | 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); |
1314 | SPAGAIN; |
1451 | SPAGAIN; |
1315 | FREETMPS; |
1452 | FREETMPS; |
… | |
… | |
1325 | dSP; |
1462 | dSP; |
1326 | |
1463 | |
1327 | PL_runops = RUNOPS_DEFAULT; |
1464 | PL_runops = RUNOPS_DEFAULT; |
1328 | ENTER; |
1465 | ENTER; |
1329 | SAVETMPS; |
1466 | SAVETMPS; |
1330 | EXTEND (SP, 3); |
|
|
1331 | PL_runops = RUNOPS_DEFAULT; |
|
|
1332 | PUSHMARK (SP); |
1467 | PUSHMARK (SP); |
|
|
1468 | EXTEND (SP, 2); |
1333 | PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0))); |
1469 | PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0))); |
1334 | PUSHs (sv_2mortal (newSViv (CopLINE (oldcop)))); |
1470 | PUSHs (sv_2mortal (newSViv (CopLINE (oldcop)))); |
1335 | PUTBACK; |
1471 | PUTBACK; |
1336 | 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); |
1337 | 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); |
… | |
… | |
1385 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1521 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1386 | slf_frame.check = slf_check_set_stacklevel; |
1522 | slf_frame.check = slf_check_set_stacklevel; |
1387 | } |
1523 | } |
1388 | |
1524 | |
1389 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1525 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1390 | ECB_INLINE void |
1526 | ecb_inline void |
1391 | transfer_tail (pTHX) |
1527 | transfer_tail (pTHX) |
1392 | { |
1528 | { |
1393 | free_coro_mortal (aTHX); |
1529 | free_coro_mortal (aTHX); |
|
|
1530 | } |
|
|
1531 | |
|
|
1532 | /* try to exit the same way perl's main function would do */ |
|
|
1533 | /* we do not bother resetting the environment or other things *7 |
|
|
1534 | /* that are not, uhm, essential */ |
|
|
1535 | /* this obviously also doesn't work when perl is embedded */ |
|
|
1536 | static void ecb_noinline ecb_cold |
|
|
1537 | perlish_exit (pTHX) |
|
|
1538 | { |
|
|
1539 | int exitstatus = perl_destruct (PL_curinterp); |
|
|
1540 | perl_free (PL_curinterp); |
|
|
1541 | exit (exitstatus); |
1394 | } |
1542 | } |
1395 | |
1543 | |
1396 | /* |
1544 | /* |
1397 | * this is a _very_ stripped down perl interpreter ;) |
1545 | * this is a _very_ stripped down perl interpreter ;) |
1398 | */ |
1546 | */ |
… | |
… | |
1425 | * 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 |
1426 | * 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. |
1427 | */ |
1575 | */ |
1428 | |
1576 | |
1429 | /* |
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 | /* |
1430 | * 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 |
1431 | * 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) |
1432 | * reason for perl_run to return. We try to exit by jumping to the |
1587 | * reason for perl_run to return. We try to mimic whatever perl is normally |
1433 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
1588 | * doing in that case. YMMV. |
1434 | * coroutine as Coro has no such concept. |
|
|
1435 | * This actually isn't valid with the pthread backend, but OSes requiring |
|
|
1436 | * that backend are too broken to do it in a standards-compliant way. |
|
|
1437 | */ |
1589 | */ |
1438 | PL_top_env = main_top_env; |
1590 | perlish_exit (aTHX); |
1439 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
|
|
1440 | } |
1591 | } |
1441 | } |
1592 | } |
1442 | |
1593 | |
1443 | static coro_cctx * |
1594 | static coro_cctx * |
1444 | cctx_new () |
1595 | cctx_new (void) |
1445 | { |
1596 | { |
1446 | coro_cctx *cctx; |
1597 | coro_cctx *cctx; |
1447 | |
1598 | |
1448 | ++cctx_count; |
1599 | ++cctx_count; |
1449 | New (0, cctx, 1, coro_cctx); |
1600 | New (0, cctx, 1, coro_cctx); |
… | |
… | |
1455 | return cctx; |
1606 | return cctx; |
1456 | } |
1607 | } |
1457 | |
1608 | |
1458 | /* create a new cctx only suitable as source */ |
1609 | /* create a new cctx only suitable as source */ |
1459 | static coro_cctx * |
1610 | static coro_cctx * |
1460 | cctx_new_empty () |
1611 | cctx_new_empty (void) |
1461 | { |
1612 | { |
1462 | coro_cctx *cctx = cctx_new (); |
1613 | coro_cctx *cctx = cctx_new (); |
1463 | |
1614 | |
1464 | cctx->sptr = 0; |
1615 | cctx->stack.sptr = 0; |
1465 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
1616 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
1466 | |
1617 | |
1467 | return cctx; |
1618 | return cctx; |
1468 | } |
1619 | } |
1469 | |
1620 | |
1470 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1621 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1471 | static coro_cctx * |
1622 | static coro_cctx * |
1472 | cctx_new_run () |
1623 | cctx_new_run (void) |
1473 | { |
1624 | { |
1474 | coro_cctx *cctx = cctx_new (); |
1625 | coro_cctx *cctx = cctx_new (); |
1475 | void *stack_start; |
|
|
1476 | size_t stack_size; |
|
|
1477 | |
1626 | |
1478 | #if HAVE_MMAP |
1627 | if (!coro_stack_alloc (&cctx->stack, cctx_stacksize)) |
1479 | cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
|
|
1480 | /* mmap supposedly does allocate-on-write for us */ |
|
|
1481 | cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
|
|
1482 | |
|
|
1483 | if (cctx->sptr != (void *)-1) |
|
|
1484 | { |
|
|
1485 | #if CORO_STACKGUARD |
|
|
1486 | mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); |
|
|
1487 | #endif |
|
|
1488 | stack_start = (char *)cctx->sptr + CORO_STACKGUARD * PAGESIZE; |
|
|
1489 | stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE; |
|
|
1490 | cctx->flags |= CC_MAPPED; |
|
|
1491 | } |
1628 | { |
1492 | else |
|
|
1493 | #endif |
|
|
1494 | { |
|
|
1495 | cctx->ssize = cctx_stacksize * (long)sizeof (long); |
|
|
1496 | New (0, cctx->sptr, cctx_stacksize, long); |
|
|
1497 | |
|
|
1498 | if (!cctx->sptr) |
|
|
1499 | { |
|
|
1500 | perror ("FATAL: unable to allocate stack for coroutine, exiting."); |
1629 | perror ("FATAL: unable to allocate stack for coroutine, exiting."); |
1501 | _exit (EXIT_FAILURE); |
1630 | _exit (EXIT_FAILURE); |
1502 | } |
|
|
1503 | |
|
|
1504 | stack_start = cctx->sptr; |
|
|
1505 | stack_size = cctx->ssize; |
|
|
1506 | } |
1631 | } |
1507 | |
1632 | |
1508 | #if CORO_USE_VALGRIND |
|
|
1509 | cctx->valgrind_id = VALGRIND_STACK_REGISTER ((char *)stack_start, (char *)stack_start + stack_size); |
|
|
1510 | #endif |
|
|
1511 | |
|
|
1512 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size); |
1633 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, cctx->stack.sptr, cctx->stack.ssze); |
1513 | |
1634 | |
1514 | return cctx; |
1635 | return cctx; |
1515 | } |
1636 | } |
1516 | |
1637 | |
1517 | static void |
1638 | static void |
… | |
… | |
1523 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current)); |
1644 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current)); |
1524 | |
1645 | |
1525 | --cctx_count; |
1646 | --cctx_count; |
1526 | coro_destroy (&cctx->cctx); |
1647 | coro_destroy (&cctx->cctx); |
1527 | |
1648 | |
1528 | /* coro_transfer creates new, empty cctx's */ |
1649 | coro_stack_free (&cctx->stack); |
1529 | if (cctx->sptr) |
|
|
1530 | { |
|
|
1531 | #if CORO_USE_VALGRIND |
|
|
1532 | VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); |
|
|
1533 | #endif |
|
|
1534 | |
|
|
1535 | #if HAVE_MMAP |
|
|
1536 | if (cctx->flags & CC_MAPPED) |
|
|
1537 | munmap (cctx->sptr, cctx->ssize); |
|
|
1538 | else |
|
|
1539 | #endif |
|
|
1540 | Safefree (cctx->sptr); |
|
|
1541 | } |
|
|
1542 | |
1650 | |
1543 | Safefree (cctx); |
1651 | Safefree (cctx); |
1544 | } |
1652 | } |
1545 | |
1653 | |
1546 | /* wether this cctx should be destructed */ |
1654 | /* wether this cctx should be destructed */ |
… | |
… | |
1565 | } |
1673 | } |
1566 | |
1674 | |
1567 | static void |
1675 | static void |
1568 | cctx_put (coro_cctx *cctx) |
1676 | cctx_put (coro_cctx *cctx) |
1569 | { |
1677 | { |
1570 | 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)); |
1571 | |
1679 | |
1572 | /* free another cctx if overlimit */ |
1680 | /* free another cctx if overlimit */ |
1573 | if (ecb_expect_false (cctx_idle >= cctx_max_idle)) |
1681 | if (ecb_expect_false (cctx_idle >= cctx_max_idle)) |
1574 | { |
1682 | { |
1575 | coro_cctx *first = cctx_first; |
1683 | coro_cctx *first = cctx_first; |
… | |
… | |
1701 | return; |
1809 | return; |
1702 | |
1810 | |
1703 | slf_destroy (aTHX_ coro); |
1811 | slf_destroy (aTHX_ coro); |
1704 | |
1812 | |
1705 | coro->flags |= CF_ZOMBIE; |
1813 | coro->flags |= CF_ZOMBIE; |
1706 | |
1814 | |
1707 | if (coro->flags & CF_READY) |
1815 | if (coro->flags & CF_READY) |
1708 | { |
1816 | { |
1709 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1817 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1710 | /* alternative: look through all ready queues and remove the coro */ |
1818 | /* alternative: look through all ready queues and remove the coro */ |
1711 | --coro_nready; |
1819 | --coro_nready; |
… | |
… | |
1751 | |
1859 | |
1752 | static int ecb_cold |
1860 | static int ecb_cold |
1753 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1861 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1754 | { |
1862 | { |
1755 | /* called when perl clones the current process the slow way (windows process emulation) */ |
1863 | /* called when perl clones the current process the slow way (windows process emulation) */ |
1756 | /* WE SIMply nuke the pointers in the copy, causing perl to croak */ |
1864 | /* we simply nuke the pointers in the copy, causing perl to croak */ |
1757 | mg->mg_ptr = 0; |
1865 | mg->mg_ptr = 0; |
1758 | mg->mg_virtual = 0; |
1866 | mg->mg_virtual = 0; |
1759 | |
1867 | |
1760 | return 0; |
1868 | return 0; |
1761 | } |
1869 | } |
… | |
… | |
1788 | TRANSFER (ta, 1); |
1896 | TRANSFER (ta, 1); |
1789 | } |
1897 | } |
1790 | |
1898 | |
1791 | /** Coro ********************************************************************/ |
1899 | /** Coro ********************************************************************/ |
1792 | |
1900 | |
1793 | ECB_INLINE void |
1901 | ecb_inline void |
1794 | coro_enq (pTHX_ struct coro *coro) |
1902 | coro_enq (pTHX_ struct coro *coro) |
1795 | { |
1903 | { |
1796 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1904 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1797 | |
1905 | |
1798 | SvREFCNT_inc_NN (coro->hv); |
1906 | SvREFCNT_inc_NN (coro->hv); |
… | |
… | |
1800 | coro->next_ready = 0; |
1908 | coro->next_ready = 0; |
1801 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
1909 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
1802 | ready [1] = coro; |
1910 | ready [1] = coro; |
1803 | } |
1911 | } |
1804 | |
1912 | |
1805 | ECB_INLINE struct coro * |
1913 | ecb_inline struct coro * |
1806 | coro_deq (pTHX) |
1914 | coro_deq (pTHX) |
1807 | { |
1915 | { |
1808 | int prio; |
1916 | int prio; |
1809 | |
1917 | |
1810 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
1918 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
… | |
… | |
1863 | { |
1971 | { |
1864 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1972 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1865 | } |
1973 | } |
1866 | |
1974 | |
1867 | /* expects to own a reference to next->hv */ |
1975 | /* expects to own a reference to next->hv */ |
1868 | ECB_INLINE void |
1976 | ecb_inline void |
1869 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1977 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1870 | { |
1978 | { |
1871 | SV *prev_sv = SvRV (coro_current); |
1979 | SV *prev_sv = SvRV (coro_current); |
1872 | |
1980 | |
1873 | ta->prev = SvSTATE_hv (prev_sv); |
1981 | ta->prev = SvSTATE_hv (prev_sv); |
… | |
… | |
1907 | /* nothing to schedule: call the idle handler */ |
2015 | /* nothing to schedule: call the idle handler */ |
1908 | if (SvROK (sv_idle) |
2016 | if (SvROK (sv_idle) |
1909 | && SvOBJECT (SvRV (sv_idle))) |
2017 | && SvOBJECT (SvRV (sv_idle))) |
1910 | { |
2018 | { |
1911 | if (SvRV (sv_idle) == SvRV (coro_current)) |
2019 | if (SvRV (sv_idle) == SvRV (coro_current)) |
|
|
2020 | { |
|
|
2021 | require_pv ("Carp"); |
|
|
2022 | |
|
|
2023 | { |
|
|
2024 | dSP; |
|
|
2025 | |
|
|
2026 | ENTER; |
|
|
2027 | SAVETMPS; |
|
|
2028 | |
|
|
2029 | PUSHMARK (SP); |
1912 | croak ("FATAL: $Coro::IDLE blocked itself - did you try to block inside an event loop callback? Caught"); |
2030 | XPUSHs (sv_2mortal (newSVpv ("FATAL: $Coro::idle blocked itself - did you try to block inside an event loop callback? Caught", 0))); |
|
|
2031 | PUTBACK; |
|
|
2032 | call_pv ("Carp::confess", G_VOID | G_DISCARD); |
|
|
2033 | |
|
|
2034 | FREETMPS; |
|
|
2035 | LEAVE; |
|
|
2036 | } |
|
|
2037 | } |
1913 | |
2038 | |
1914 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
2039 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
1915 | api_ready (aTHX_ SvRV (sv_idle)); |
2040 | api_ready (aTHX_ SvRV (sv_idle)); |
1916 | --coro_nready; |
2041 | --coro_nready; |
1917 | } |
2042 | } |
… | |
… | |
1932 | } |
2057 | } |
1933 | } |
2058 | } |
1934 | } |
2059 | } |
1935 | } |
2060 | } |
1936 | |
2061 | |
1937 | ECB_INLINE void |
2062 | ecb_inline void |
1938 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
2063 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1939 | { |
2064 | { |
1940 | api_ready (aTHX_ coro_current); |
2065 | api_ready (aTHX_ coro_current); |
1941 | prepare_schedule (aTHX_ ta); |
2066 | prepare_schedule (aTHX_ ta); |
1942 | } |
2067 | } |
1943 | |
2068 | |
1944 | ECB_INLINE void |
2069 | ecb_inline void |
1945 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
2070 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
1946 | { |
2071 | { |
1947 | SV *prev = SvRV (coro_current); |
2072 | SV *prev = SvRV (coro_current); |
1948 | |
2073 | |
1949 | if (coro_nready) |
2074 | if (coro_nready) |
… | |
… | |
2114 | { |
2239 | { |
2115 | AV *od = coro->on_destroy; |
2240 | AV *od = coro->on_destroy; |
2116 | |
2241 | |
2117 | if (!od) |
2242 | if (!od) |
2118 | return; |
2243 | return; |
|
|
2244 | |
|
|
2245 | coro->on_destroy = 0; |
|
|
2246 | sv_2mortal ((SV *)od); |
2119 | |
2247 | |
2120 | while (AvFILLp (od) >= 0) |
2248 | while (AvFILLp (od) >= 0) |
2121 | { |
2249 | { |
2122 | SV *cb = sv_2mortal (av_pop (od)); |
2250 | SV *cb = sv_2mortal (av_pop (od)); |
2123 | |
2251 | |
… | |
… | |
2144 | |
2272 | |
2145 | static void |
2273 | static void |
2146 | coro_set_status (pTHX_ struct coro *coro, SV **arg, int items) |
2274 | coro_set_status (pTHX_ struct coro *coro, SV **arg, int items) |
2147 | { |
2275 | { |
2148 | AV *av; |
2276 | AV *av; |
2149 | |
2277 | |
2150 | if (coro->status) |
2278 | if (coro->status) |
2151 | { |
2279 | { |
2152 | av = coro->status; |
2280 | av = coro->status; |
2153 | av_clear (av); |
2281 | av_clear (av); |
2154 | } |
2282 | } |
… | |
… | |
2201 | |
2329 | |
2202 | coro = SvSTATE (arg [0]); |
2330 | coro = SvSTATE (arg [0]); |
2203 | coro_hv = coro->hv; |
2331 | coro_hv = coro->hv; |
2204 | |
2332 | |
2205 | coro_set_status (aTHX_ coro, arg + 1, items - 1); |
2333 | coro_set_status (aTHX_ coro, arg + 1, items - 1); |
2206 | |
2334 | |
2207 | if (ecb_expect_false (coro->flags & CF_NOCANCEL)) |
2335 | if (ecb_expect_false (coro->flags & CF_NOCANCEL)) |
2208 | { |
2336 | { |
2209 | /* coro currently busy cancelling something, so just notify it */ |
2337 | /* coro currently busy cancelling something, so just notify it */ |
2210 | coro->slf_frame.data = (void *)coro; |
2338 | coro->slf_frame.data = (void *)coro; |
2211 | |
2339 | |
… | |
… | |
2218 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
2346 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
2219 | } |
2347 | } |
2220 | else |
2348 | else |
2221 | { |
2349 | { |
2222 | struct coro *self = SvSTATE_current; |
2350 | struct coro *self = SvSTATE_current; |
|
|
2351 | |
|
|
2352 | if (!self) |
|
|
2353 | croak ("Coro::cancel called outside of thread content,"); |
2223 | |
2354 | |
2224 | /* otherwise we cancel directly, purely for speed reasons |
2355 | /* otherwise we cancel directly, purely for speed reasons |
2225 | * unfortunately, this requires some magic trickery, as |
2356 | * unfortunately, this requires some magic trickery, as |
2226 | * somebody else could cancel us, so we have to fight the cancellation. |
2357 | * somebody else could cancel us, so we have to fight the cancellation. |
2227 | * this is ugly, and hopefully fully worth the extra speed. |
2358 | * this is ugly, and hopefully fully worth the extra speed. |
… | |
… | |
2260 | safe_cancel (pTHX_ struct coro *coro, SV **arg, int items) |
2391 | safe_cancel (pTHX_ struct coro *coro, SV **arg, int items) |
2261 | { |
2392 | { |
2262 | if (coro->cctx) |
2393 | if (coro->cctx) |
2263 | croak ("coro inside C callback, unable to cancel at this time, caught"); |
2394 | croak ("coro inside C callback, unable to cancel at this time, caught"); |
2264 | |
2395 | |
2265 | if (coro->flags & CF_NEW) |
2396 | if (coro->flags & (CF_NEW | CF_ZOMBIE)) |
2266 | { |
2397 | { |
2267 | coro_set_status (aTHX_ coro, arg, items); |
2398 | coro_set_status (aTHX_ coro, arg, items); |
2268 | coro_state_destroy (aTHX_ coro); |
2399 | coro_state_destroy (aTHX_ coro); |
2269 | } |
2400 | } |
2270 | else |
2401 | else |
… | |
… | |
2337 | else |
2468 | else |
2338 | { |
2469 | { |
2339 | av_clear (GvAV (PL_defgv)); |
2470 | av_clear (GvAV (PL_defgv)); |
2340 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
2471 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
2341 | |
2472 | |
|
|
2473 | if (ecb_expect_false (coro->swap_sv)) |
|
|
2474 | { |
|
|
2475 | SWAP_SVS_LEAVE (coro); |
|
|
2476 | SvREFCNT_dec_NN (coro->swap_sv); |
|
|
2477 | coro->swap_sv = 0; |
|
|
2478 | } |
|
|
2479 | |
2342 | coro->prio = 0; |
2480 | coro->prio = 0; |
2343 | |
2481 | |
2344 | if (coro->cctx && (coro->cctx->flags & CC_TRACE)) |
2482 | if (ecb_expect_false (coro->cctx) && ecb_expect_false (coro->cctx->flags & CC_TRACE)) |
2345 | api_trace (aTHX_ coro_current, 0); |
2483 | api_trace (aTHX_ coro_current, 0); |
2346 | |
2484 | |
2347 | frame->prepare = prepare_schedule; |
2485 | frame->prepare = prepare_schedule; |
2348 | av_push (av_async_pool, SvREFCNT_inc (hv)); |
2486 | av_push (av_async_pool, SvREFCNT_inc_NN (hv)); |
2349 | } |
2487 | } |
2350 | } |
2488 | } |
2351 | else |
2489 | else |
2352 | { |
2490 | { |
2353 | /* first iteration, simply fall through */ |
2491 | /* first iteration, simply fall through */ |
… | |
… | |
2366 | static void |
2504 | static void |
2367 | coro_rouse_callback (pTHX_ CV *cv) |
2505 | coro_rouse_callback (pTHX_ CV *cv) |
2368 | { |
2506 | { |
2369 | dXSARGS; |
2507 | dXSARGS; |
2370 | SV *data = (SV *)S_GENSUB_ARG; |
2508 | SV *data = (SV *)S_GENSUB_ARG; |
|
|
2509 | SV *coro = SvRV (data); |
2371 | |
2510 | |
|
|
2511 | /* data starts being either undef or a coro, and is replaced by the results when done */ |
2372 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2512 | if (SvTYPE (coro) != SVt_PVAV) |
2373 | { |
2513 | { |
2374 | /* first call, set args */ |
2514 | /* first call, set args */ |
2375 | SV *coro = SvRV (data); |
|
|
2376 | AV *av = newAV (); |
|
|
2377 | |
2515 | |
2378 | SvRV_set (data, (SV *)av); |
2516 | assert (&ST (0) < &ST (1)); /* ensure the stack is in the order we expect it to be */ |
|
|
2517 | SvRV_set (data, (SV *)av_make (items, &ST (0))); /* av_make copies the SVs */ |
2379 | |
2518 | |
2380 | /* better take a full copy of the arguments */ |
2519 | if (coro != &PL_sv_undef) |
2381 | while (items--) |
2520 | { |
2382 | av_store (av, items, newSVsv (ST (items))); |
|
|
2383 | |
|
|
2384 | api_ready (aTHX_ coro); |
2521 | api_ready (aTHX_ coro); |
2385 | SvREFCNT_dec (coro); |
2522 | SvREFCNT_dec_NN (coro); |
|
|
2523 | } |
2386 | } |
2524 | } |
2387 | |
2525 | |
2388 | XSRETURN_EMPTY; |
2526 | XSRETURN_EMPTY; |
2389 | } |
2527 | } |
2390 | |
2528 | |
2391 | static int |
2529 | static int |
2392 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
2530 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
2393 | { |
2531 | { |
2394 | SV *data = (SV *)frame->data; |
2532 | SV *data = (SV *)frame->data; |
2395 | |
2533 | |
2396 | if (CORO_THROW) |
2534 | if (CORO_THROW) |
2397 | return 0; |
2535 | return 0; |
2398 | |
2536 | |
2399 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2537 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2400 | return 1; |
2538 | return 1; |
… | |
… | |
2407 | |
2545 | |
2408 | EXTEND (SP, AvFILLp (av) + 1); |
2546 | EXTEND (SP, AvFILLp (av) + 1); |
2409 | for (i = 0; i <= AvFILLp (av); ++i) |
2547 | for (i = 0; i <= AvFILLp (av); ++i) |
2410 | PUSHs (sv_2mortal (AvARRAY (av)[i])); |
2548 | PUSHs (sv_2mortal (AvARRAY (av)[i])); |
2411 | |
2549 | |
2412 | /* we have stolen the elements, so set length to zero and free */ |
2550 | /* we have stolen the elements, make it unreal and free */ |
2413 | AvFILLp (av) = -1; |
2551 | AvREAL_off (av); |
2414 | av_undef (av); |
2552 | av_undef (av); |
2415 | |
2553 | |
2416 | PUTBACK; |
2554 | PUTBACK; |
2417 | } |
2555 | } |
2418 | |
2556 | |
… | |
… | |
2436 | cb = sv_2mortal (coro->rouse_cb); |
2574 | cb = sv_2mortal (coro->rouse_cb); |
2437 | coro->rouse_cb = 0; |
2575 | coro->rouse_cb = 0; |
2438 | } |
2576 | } |
2439 | |
2577 | |
2440 | if (!SvROK (cb) |
2578 | if (!SvROK (cb) |
2441 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2579 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2442 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2580 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2443 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2581 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2444 | |
2582 | |
2445 | { |
2583 | { |
2446 | CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ |
2584 | CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ |
2447 | SV *data = (SV *)S_GENSUB_ARG; |
2585 | SV *data = (SV *)S_GENSUB_ARG; |
|
|
2586 | int data_ready = SvTYPE (SvRV (data)) == SVt_PVAV; |
|
|
2587 | |
|
|
2588 | /* if there is no data, we need to store the current coro in the reference so we can be woken up */ |
|
|
2589 | if (!data_ready) |
|
|
2590 | if (SvRV (data) != &PL_sv_undef) |
|
|
2591 | 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"); |
|
|
2592 | else |
|
|
2593 | SvRV_set (data, SvREFCNT_inc_NN (SvRV (coro_current))); |
2448 | |
2594 | |
2449 | frame->data = (void *)data; |
2595 | frame->data = (void *)data; |
2450 | frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule; |
2596 | frame->prepare = data_ready ? prepare_nop : prepare_schedule; |
2451 | frame->check = slf_check_rouse_wait; |
2597 | frame->check = slf_check_rouse_wait; |
2452 | } |
2598 | } |
2453 | } |
2599 | } |
2454 | |
2600 | |
2455 | static SV * |
2601 | static SV * |
2456 | coro_new_rouse_cb (pTHX) |
2602 | coro_new_rouse_cb (pTHX) |
2457 | { |
2603 | { |
2458 | HV *hv = (HV *)SvRV (coro_current); |
2604 | HV *hv = (HV *)SvRV (coro_current); |
2459 | struct coro *coro = SvSTATE_hv (hv); |
2605 | struct coro *coro = SvSTATE_hv (hv); |
2460 | SV *data = newRV_inc ((SV *)hv); |
2606 | SV *data = newRV_noinc (&PL_sv_undef); |
2461 | SV *cb = s_gensub (aTHX_ coro_rouse_callback, (void *)data); |
2607 | SV *cb = s_gensub (aTHX_ coro_rouse_callback, (void *)data); |
2462 | |
2608 | |
2463 | sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0); |
2609 | sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0); |
2464 | SvREFCNT_dec (data); /* magicext increases the refcount */ |
2610 | SvREFCNT_dec_NN (data); /* magicext increases the refcount */ |
2465 | |
2611 | |
2466 | SvREFCNT_dec (coro->rouse_cb); |
2612 | SvREFCNT_dec (coro->rouse_cb); |
2467 | coro->rouse_cb = SvREFCNT_inc_NN (cb); |
2613 | coro->rouse_cb = SvREFCNT_inc_NN (cb); |
2468 | |
2614 | |
2469 | return cb; |
2615 | return cb; |
… | |
… | |
2569 | |
2715 | |
2570 | /* "undo"/cancel a running slf call - used when cancelling a coro, mainly */ |
2716 | /* "undo"/cancel a running slf call - used when cancelling a coro, mainly */ |
2571 | static void |
2717 | static void |
2572 | slf_destroy (pTHX_ struct coro *coro) |
2718 | slf_destroy (pTHX_ struct coro *coro) |
2573 | { |
2719 | { |
2574 | /* this callback is reserved for slf functions needing to do cleanup */ |
2720 | struct CoroSLF frame = coro->slf_frame; |
2575 | if (coro->slf_frame.destroy && coro->slf_frame.prepare && !PL_dirty) |
|
|
2576 | coro->slf_frame.destroy (aTHX_ &coro->slf_frame); |
|
|
2577 | |
2721 | |
2578 | /* |
2722 | /* |
2579 | * The on_destroy above most likely is from an SLF call. |
2723 | * The on_destroy below most likely is from an SLF call. |
2580 | * Since by definition the SLF call will not finish when we destroy |
2724 | * Since by definition the SLF call will not finish when we destroy |
2581 | * the coro, we will have to force-finish it here, otherwise |
2725 | * the coro, we will have to force-finish it here, otherwise |
2582 | * cleanup functions cannot call SLF functions. |
2726 | * cleanup functions cannot call SLF functions. |
2583 | */ |
2727 | */ |
2584 | coro->slf_frame.prepare = 0; |
2728 | coro->slf_frame.prepare = 0; |
|
|
2729 | |
|
|
2730 | /* this callback is reserved for slf functions needing to do cleanup */ |
|
|
2731 | if (frame.destroy && frame.prepare && !PL_dirty) |
|
|
2732 | frame.destroy (aTHX_ &frame); |
2585 | } |
2733 | } |
2586 | |
2734 | |
2587 | /* |
2735 | /* |
2588 | * these not obviously related functions are all rolled into one |
2736 | * these not obviously related functions are all rolled into one |
2589 | * function to increase chances that they all will call transfer with the same |
2737 | * function to increase chances that they all will call transfer with the same |
… | |
… | |
2772 | static void |
2920 | static void |
2773 | coro_pop_on_leave (pTHX_ void *coro) |
2921 | coro_pop_on_leave (pTHX_ void *coro) |
2774 | { |
2922 | { |
2775 | SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_leave); |
2923 | SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_leave); |
2776 | on_enterleave_call (aTHX_ sv_2mortal (cb)); |
2924 | on_enterleave_call (aTHX_ sv_2mortal (cb)); |
|
|
2925 | } |
|
|
2926 | |
|
|
2927 | static void |
|
|
2928 | enterleave_hook_xs (pTHX_ struct coro *coro, AV **avp, coro_enterleave_hook hook, void *arg) |
|
|
2929 | { |
|
|
2930 | if (!hook) |
|
|
2931 | return; |
|
|
2932 | |
|
|
2933 | if (!*avp) |
|
|
2934 | { |
|
|
2935 | *avp = newAV (); |
|
|
2936 | AvREAL_off (*avp); |
|
|
2937 | } |
|
|
2938 | |
|
|
2939 | av_push (*avp, (SV *)hook); |
|
|
2940 | av_push (*avp, (SV *)arg); |
|
|
2941 | } |
|
|
2942 | |
|
|
2943 | static void |
|
|
2944 | enterleave_unhook_xs (pTHX_ struct coro *coro, AV **avp, coro_enterleave_hook hook, int execute) |
|
|
2945 | { |
|
|
2946 | AV *av = *avp; |
|
|
2947 | int i; |
|
|
2948 | |
|
|
2949 | if (!av) |
|
|
2950 | return; |
|
|
2951 | |
|
|
2952 | for (i = AvFILLp (av) - 1; i >= 0; i -= 2) |
|
|
2953 | if (AvARRAY (av)[i] == (SV *)hook) |
|
|
2954 | { |
|
|
2955 | if (execute) |
|
|
2956 | hook (aTHX_ (void *)AvARRAY (av)[i + 1]); |
|
|
2957 | |
|
|
2958 | memmove (AvARRAY (av) + i, AvARRAY (av) + i + 2, AvFILLp (av) - i - 1); |
|
|
2959 | av_pop (av); |
|
|
2960 | av_pop (av); |
|
|
2961 | break; |
|
|
2962 | } |
|
|
2963 | |
|
|
2964 | if (AvFILLp (av) >= 0) |
|
|
2965 | { |
|
|
2966 | *avp = 0; |
|
|
2967 | SvREFCNT_dec_NN (av); |
|
|
2968 | } |
|
|
2969 | } |
|
|
2970 | |
|
|
2971 | static void |
|
|
2972 | api_enterleave_hook (pTHX_ SV *coro_sv, coro_enterleave_hook enter, void *enter_arg, coro_enterleave_hook leave, void *leave_arg) |
|
|
2973 | { |
|
|
2974 | struct coro *coro = SvSTATE (coro_sv); |
|
|
2975 | |
|
|
2976 | if (SvSTATE_current == coro) |
|
|
2977 | if (enter) |
|
|
2978 | enter (aTHX_ enter_arg); |
|
|
2979 | |
|
|
2980 | enterleave_hook_xs (aTHX_ coro, &coro->on_enter_xs, enter, enter_arg); |
|
|
2981 | enterleave_hook_xs (aTHX_ coro, &coro->on_leave_xs, leave, leave_arg); |
|
|
2982 | } |
|
|
2983 | |
|
|
2984 | static void |
|
|
2985 | api_enterleave_unhook (pTHX_ SV *coro_sv, coro_enterleave_hook enter, coro_enterleave_hook leave) |
|
|
2986 | { |
|
|
2987 | struct coro *coro = SvSTATE (coro_sv); |
|
|
2988 | |
|
|
2989 | enterleave_unhook_xs (aTHX_ coro, &coro->on_enter_xs, enter, 0); |
|
|
2990 | enterleave_unhook_xs (aTHX_ coro, &coro->on_leave_xs, leave, SvSTATE_current == coro); |
|
|
2991 | } |
|
|
2992 | |
|
|
2993 | static void |
|
|
2994 | savedestructor_unhook_enter (pTHX_ coro_enterleave_hook enter) |
|
|
2995 | { |
|
|
2996 | struct coro *coro = SvSTATE_current; |
|
|
2997 | |
|
|
2998 | enterleave_unhook_xs (aTHX_ coro, &coro->on_enter_xs, enter, 0); |
|
|
2999 | } |
|
|
3000 | |
|
|
3001 | static void |
|
|
3002 | savedestructor_unhook_leave (pTHX_ coro_enterleave_hook leave) |
|
|
3003 | { |
|
|
3004 | struct coro *coro = SvSTATE_current; |
|
|
3005 | |
|
|
3006 | enterleave_unhook_xs (aTHX_ coro, &coro->on_leave_xs, leave, 1); |
|
|
3007 | } |
|
|
3008 | |
|
|
3009 | static void |
|
|
3010 | api_enterleave_scope_hook (pTHX_ coro_enterleave_hook enter, void *enter_arg, coro_enterleave_hook leave, void *leave_arg) |
|
|
3011 | { |
|
|
3012 | api_enterleave_hook (aTHX_ coro_current, enter, enter_arg, leave, leave_arg); |
|
|
3013 | |
|
|
3014 | /* this ought to be much cheaper than malloc + a single destructor call */ |
|
|
3015 | if (enter) SAVEDESTRUCTOR_X (savedestructor_unhook_enter, enter); |
|
|
3016 | if (leave) SAVEDESTRUCTOR_X (savedestructor_unhook_leave, leave); |
2777 | } |
3017 | } |
2778 | |
3018 | |
2779 | /*****************************************************************************/ |
3019 | /*****************************************************************************/ |
2780 | /* PerlIO::cede */ |
3020 | /* PerlIO::cede */ |
2781 | |
3021 | |
… | |
… | |
2911 | XPUSHs (sv_2mortal (newRV_inc ((SV *)av))); |
3151 | XPUSHs (sv_2mortal (newRV_inc ((SV *)av))); |
2912 | PUTBACK; |
3152 | PUTBACK; |
2913 | call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR); |
3153 | call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR); |
2914 | } |
3154 | } |
2915 | |
3155 | |
2916 | SvREFCNT_dec (cb); |
3156 | SvREFCNT_dec_NN (cb); |
2917 | } |
3157 | } |
2918 | } |
3158 | } |
2919 | |
3159 | |
2920 | static void |
3160 | static void |
2921 | coro_semaphore_destroy (pTHX_ struct CoroSLF *frame) |
3161 | coro_semaphore_destroy (pTHX_ struct CoroSLF *frame) |
… | |
… | |
2929 | { |
3169 | { |
2930 | AV *av = (AV *)frame->data; |
3170 | AV *av = (AV *)frame->data; |
2931 | SV *count_sv = AvARRAY (av)[0]; |
3171 | SV *count_sv = AvARRAY (av)[0]; |
2932 | SV *coro_hv = SvRV (coro_current); |
3172 | SV *coro_hv = SvRV (coro_current); |
2933 | |
3173 | |
|
|
3174 | frame->destroy = 0; |
|
|
3175 | |
2934 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
3176 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2935 | if (CORO_THROW) |
3177 | if (ecb_expect_false (CORO_THROW)) |
|
|
3178 | { |
|
|
3179 | /* we still might be responsible for the semaphore, so wake up others */ |
|
|
3180 | coro_semaphore_adjust (aTHX_ av, 0); |
|
|
3181 | |
2936 | return 0; |
3182 | return 0; |
|
|
3183 | } |
2937 | else if (SvIVX (count_sv) > 0) |
3184 | else if (SvIVX (count_sv) > 0) |
2938 | { |
3185 | { |
2939 | frame->destroy = 0; |
|
|
2940 | |
|
|
2941 | if (acquire) |
3186 | if (acquire) |
2942 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
3187 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2943 | else |
3188 | else |
2944 | coro_semaphore_adjust (aTHX_ av, 0); |
3189 | coro_semaphore_adjust (aTHX_ av, 0); |
2945 | |
3190 | |
… | |
… | |
2949 | { |
3194 | { |
2950 | int i; |
3195 | int i; |
2951 | /* if we were woken up but can't down, we look through the whole */ |
3196 | /* if we were woken up but can't down, we look through the whole */ |
2952 | /* waiters list and only add us if we aren't in there already */ |
3197 | /* waiters list and only add us if we aren't in there already */ |
2953 | /* this avoids some degenerate memory usage cases */ |
3198 | /* this avoids some degenerate memory usage cases */ |
2954 | for (i = AvFILLp (av); i > 0; --i) // i > 0 is not an off-by-one bug |
3199 | for (i = AvFILLp (av); i > 0; --i) /* i > 0 is not an off-by-one bug */ |
2955 | if (AvARRAY (av)[i] == coro_hv) |
3200 | if (AvARRAY (av)[i] == coro_hv) |
2956 | return 1; |
3201 | return 1; |
2957 | |
3202 | |
2958 | av_push (av, SvREFCNT_inc (coro_hv)); |
3203 | av_push (av, SvREFCNT_inc (coro_hv)); |
2959 | return 1; |
3204 | return 1; |
… | |
… | |
3056 | { |
3301 | { |
3057 | api_ready (aTHX_ cb); |
3302 | api_ready (aTHX_ cb); |
3058 | sv_setiv (cb, 0); /* signal waiter */ |
3303 | sv_setiv (cb, 0); /* signal waiter */ |
3059 | } |
3304 | } |
3060 | |
3305 | |
3061 | SvREFCNT_dec (cb); |
3306 | SvREFCNT_dec_NN (cb); |
3062 | |
3307 | |
3063 | --count; |
3308 | --count; |
3064 | } |
3309 | } |
3065 | } |
3310 | } |
3066 | |
3311 | |
… | |
… | |
3151 | } |
3396 | } |
3152 | |
3397 | |
3153 | av_push (state, data_sv); |
3398 | av_push (state, data_sv); |
3154 | |
3399 | |
3155 | api_ready (aTHX_ coro); |
3400 | api_ready (aTHX_ coro); |
3156 | SvREFCNT_dec (coro); |
3401 | SvREFCNT_dec_NN (coro); |
3157 | SvREFCNT_dec ((AV *)state); |
3402 | SvREFCNT_dec_NN ((AV *)state); |
3158 | } |
3403 | } |
3159 | |
3404 | |
3160 | static int |
3405 | static int |
3161 | slf_check_aio_req (pTHX_ struct CoroSLF *frame) |
3406 | slf_check_aio_req (pTHX_ struct CoroSLF *frame) |
3162 | { |
3407 | { |
… | |
… | |
3167 | /* it quickly returns */ |
3412 | /* it quickly returns */ |
3168 | if (CORO_THROW) |
3413 | if (CORO_THROW) |
3169 | return 0; |
3414 | return 0; |
3170 | |
3415 | |
3171 | /* one element that is an RV? repeat! */ |
3416 | /* one element that is an RV? repeat! */ |
3172 | if (AvFILLp (state) == 0 && SvROK (AvARRAY (state)[0])) |
3417 | if (AvFILLp (state) == 0 && SvTYPE (AvARRAY (state)[0]) != SVt_PV) |
3173 | return 1; |
3418 | return 1; |
3174 | |
3419 | |
3175 | /* restore status */ |
3420 | /* restore status */ |
3176 | { |
3421 | { |
3177 | SV *data_sv = av_pop (state); |
3422 | SV *data_sv = av_pop (state); |
… | |
… | |
3180 | errno = data->errorno; |
3425 | errno = data->errorno; |
3181 | PL_laststype = data->laststype; |
3426 | PL_laststype = data->laststype; |
3182 | PL_laststatval = data->laststatval; |
3427 | PL_laststatval = data->laststatval; |
3183 | PL_statcache = data->statcache; |
3428 | PL_statcache = data->statcache; |
3184 | |
3429 | |
3185 | SvREFCNT_dec (data_sv); |
3430 | SvREFCNT_dec_NN (data_sv); |
3186 | } |
3431 | } |
3187 | |
3432 | |
3188 | /* push result values */ |
3433 | /* push result values */ |
3189 | { |
3434 | { |
3190 | dSP; |
3435 | dSP; |
… | |
… | |
3339 | #endif |
3584 | #endif |
3340 | |
3585 | |
3341 | #if CORO_JIT |
3586 | #if CORO_JIT |
3342 | |
3587 | |
3343 | static void ecb_noinline ecb_cold |
3588 | static void ecb_noinline ecb_cold |
3344 | pushav_3uv (pTHX_ UV a, UV b, UV c) |
3589 | pushav_4uv (pTHX_ UV a, UV b, UV c, UV d) |
3345 | { |
3590 | { |
3346 | dSP; |
3591 | dSP; |
3347 | AV *av = newAV (); |
3592 | AV *av = newAV (); |
3348 | |
3593 | |
|
|
3594 | av_store (av, 3, newSVuv (d)); |
3349 | av_store (av, 2, newSVuv (c)); |
3595 | av_store (av, 2, newSVuv (c)); |
3350 | av_store (av, 1, newSVuv (b)); |
3596 | av_store (av, 1, newSVuv (b)); |
3351 | av_store (av, 0, newSVuv (a)); |
3597 | av_store (av, 0, newSVuv (a)); |
3352 | |
3598 | |
3353 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
3599 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
… | |
… | |
3360 | { |
3606 | { |
3361 | dSP; |
3607 | dSP; |
3362 | SV *load, *save; |
3608 | SV *load, *save; |
3363 | char *map_base; |
3609 | char *map_base; |
3364 | char *load_ptr, *save_ptr; |
3610 | char *load_ptr, *save_ptr; |
3365 | STRLEN load_len, save_len; |
3611 | STRLEN load_len, save_len, map_len; |
3366 | int count; |
3612 | int count; |
3367 | |
3613 | |
|
|
3614 | eval_pv ("require 'Coro/jit-" CORO_JIT_TYPE ".pl'", 1); |
|
|
3615 | |
3368 | PUSHMARK (SP); |
3616 | PUSHMARK (SP); |
3369 | PUTBACK; |
|
|
3370 | #define VARx(name,expr,type) pushav_3uv (aTHX_ (UV)&(expr), offsetof (perl_slots, name), sizeof (type)); |
3617 | #define VARx(name,expr,type) pushav_4uv (aTHX_ (UV)&(expr), sizeof (expr), offsetof (perl_slots, name), sizeof (type)); |
3371 | # include "state.h" |
3618 | #include "state.h" |
3372 | #undef VARx |
|
|
3373 | count = call_pv ("Coro::State::_jit", G_ARRAY); |
3619 | count = call_pv ("Coro::State::_jit", G_ARRAY); |
3374 | SPAGAIN; |
3620 | SPAGAIN; |
3375 | |
3621 | |
3376 | save = POPs; save_ptr = SvPVbyte (save, save_len); |
3622 | save = POPs; save_ptr = SvPVbyte (save, save_len); |
3377 | load = POPs; load_ptr = SvPVbyte (load, load_len); |
3623 | load = POPs; load_ptr = SvPVbyte (load, load_len); |
3378 | |
3624 | |
|
|
3625 | map_len = load_len + save_len + 16; |
|
|
3626 | |
|
|
3627 | map_base = mmap (0, map_len, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); |
|
|
3628 | |
|
|
3629 | if (map_base == (char *)MAP_FAILED) |
3379 | map_base = mmap (0, load_len + save_len + 16, PROT_EXEC | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); |
3630 | map_base = mmap (0, map_len, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); |
3380 | |
3631 | |
3381 | assert (("Coro: unable mmap jit code page, cannot continue.", map_base != (char *)MAP_FAILED)); |
3632 | assert (("Coro: unable to mmap jit code page, cannot continue.", map_base != (char *)MAP_FAILED)); |
3382 | |
3633 | |
3383 | load_perl_slots = (load_save_perl_slots_type)map_base; |
3634 | load_perl_slots = (load_save_perl_slots_type)map_base; |
3384 | memcpy (map_base, load_ptr, load_len); |
3635 | memcpy (map_base, load_ptr, load_len); |
3385 | |
3636 | |
3386 | map_base += (load_len + 15) & ~15; |
3637 | map_base += (load_len + 15) & ~15; |
3387 | |
3638 | |
3388 | save_perl_slots = (load_save_perl_slots_type)map_base; |
3639 | save_perl_slots = (load_save_perl_slots_type)map_base; |
3389 | memcpy (map_base, save_ptr, save_len); |
3640 | memcpy (map_base, save_ptr, save_len); |
|
|
3641 | |
|
|
3642 | /* we are good citizens and try to make the page read-only, so the evil evil */ |
|
|
3643 | /* hackers might have it a bit more difficult */ |
|
|
3644 | mprotect (map_base, map_len, PROT_READ | PROT_EXEC); |
|
|
3645 | |
|
|
3646 | PUTBACK; |
|
|
3647 | eval_pv ("undef &Coro::State::_jit", 1); |
3390 | } |
3648 | } |
3391 | |
3649 | |
3392 | #endif |
3650 | #endif |
3393 | |
3651 | |
3394 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
3652 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
3395 | |
3653 | |
3396 | PROTOTYPES: DISABLE |
3654 | PROTOTYPES: DISABLE |
3397 | |
3655 | |
3398 | BOOT: |
3656 | BOOT: |
3399 | { |
3657 | { |
|
|
3658 | #define VARx(name,expr,type) if (sizeof (type) < sizeof (expr)) croak ("FATAL: Coro thread context slot '" # name "' too small for this version of perl."); |
|
|
3659 | #include "state.h" |
3400 | #ifdef USE_ITHREADS |
3660 | #ifdef USE_ITHREADS |
3401 | # if CORO_PTHREAD |
3661 | # if CORO_PTHREAD |
3402 | coro_thx = PERL_GET_CONTEXT; |
3662 | coro_thx = PERL_GET_CONTEXT; |
3403 | # endif |
3663 | # endif |
3404 | #endif |
3664 | #endif |
3405 | BOOT_PAGESIZE; |
|
|
3406 | |
|
|
3407 | /* perl defines these to check for existance first, but why it doesn't */ |
3665 | /* perl defines these to check for existance first, but why it doesn't */ |
3408 | /* just create them one at init time is not clear to me, except for */ |
3666 | /* just create them one at init time is not clear to me, except for */ |
3409 | /* programs trying to delete them, but... */ |
3667 | /* programs trying to delete them, but... */ |
3410 | /* anyway, we declare this as invalid and make sure they are initialised here */ |
3668 | /* anyway, we declare this as invalid and make sure they are initialised here */ |
3411 | DEFSV; |
3669 | DEFSV; |
… | |
… | |
3414 | cctx_current = cctx_new_empty (); |
3672 | cctx_current = cctx_new_empty (); |
3415 | |
3673 | |
3416 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3674 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3417 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3675 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3418 | |
3676 | |
3419 | orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get; |
3677 | { |
3420 | orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set; |
3678 | /* |
3421 | orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr; |
3679 | * we provide a vtbvl for %SIG magic that replaces PL_vtbl_sig |
|
|
3680 | * by coro_sig_vtbl in hash values. |
|
|
3681 | */ |
|
|
3682 | MAGIC *mg = mg_find ((SV *)GvHV (gv_fetchpv ("SIG", GV_ADD | GV_NOTQUAL, SVt_PVHV)), PERL_MAGIC_sig); |
|
|
3683 | |
|
|
3684 | /* this only works if perl doesn't have a vtbl for %SIG */ |
|
|
3685 | assert (!mg->mg_virtual); |
|
|
3686 | |
|
|
3687 | /* |
|
|
3688 | * The irony is that the perl API itself asserts that mg_virtual |
|
|
3689 | * must be non-const, yet perl5porters insisted on marking their |
|
|
3690 | * vtbls as read-only, just to thwart perl modules from patching |
|
|
3691 | * them. |
|
|
3692 | */ |
|
|
3693 | mg->mg_virtual = (MGVTBL *)&coro_sig_vtbl; |
|
|
3694 | mg->mg_flags |= MGf_COPY; |
|
|
3695 | |
|
|
3696 | coro_sigelem_vtbl = PL_vtbl_sigelem; |
|
|
3697 | coro_sigelem_vtbl.svt_get = coro_sigelem_get; |
|
|
3698 | coro_sigelem_vtbl.svt_set = coro_sigelem_set; |
|
|
3699 | coro_sigelem_vtbl.svt_clear = coro_sigelem_clr; |
|
|
3700 | } |
3422 | |
3701 | |
3423 | hv_sig = coro_get_hv (aTHX_ "SIG", TRUE); |
|
|
3424 | rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV)); |
3702 | rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV)); |
3425 | rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV)); |
3703 | rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV)); |
3426 | |
3704 | |
3427 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
3705 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
|
|
3706 | |
|
|
3707 | newCONSTSUB (coro_state_stash, "BACKEND", newSVpv (CORO_BACKEND, 0)); /* undocumented */ |
3428 | |
3708 | |
3429 | newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE)); |
3709 | newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE)); |
3430 | newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB)); |
3710 | newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB)); |
3431 | newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE)); |
3711 | newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE)); |
3432 | newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL)); |
3712 | newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL)); |
… | |
… | |
3462 | time_init (aTHX); |
3742 | time_init (aTHX); |
3463 | |
3743 | |
3464 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
3744 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
3465 | #if CORO_JIT |
3745 | #if CORO_JIT |
3466 | PUTBACK; |
3746 | PUTBACK; |
3467 | require_pv ("Coro/jit-" CORO_JIT_TYPE ".pl"); |
|
|
3468 | jit_init (aTHX); |
3747 | jit_init (aTHX); |
3469 | perl_eval_pv ("undef &Coro::State::_jit", 1); |
|
|
3470 | SPAGAIN; |
3748 | SPAGAIN; |
3471 | #endif |
3749 | #endif |
3472 | } |
3750 | } |
3473 | |
3751 | |
3474 | SV * |
3752 | SV * |
… | |
… | |
3483 | void |
3761 | void |
3484 | transfer (...) |
3762 | transfer (...) |
3485 | PROTOTYPE: $$ |
3763 | PROTOTYPE: $$ |
3486 | CODE: |
3764 | CODE: |
3487 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3765 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3488 | |
|
|
3489 | void |
|
|
3490 | _exit (int code) |
|
|
3491 | PROTOTYPE: $ |
|
|
3492 | CODE: |
|
|
3493 | _exit (code); |
|
|
3494 | |
3766 | |
3495 | SV * |
3767 | SV * |
3496 | clone (Coro::State coro) |
3768 | clone (Coro::State coro) |
3497 | CODE: |
3769 | CODE: |
3498 | { |
3770 | { |
… | |
… | |
3553 | void |
3825 | void |
3554 | list () |
3826 | list () |
3555 | PROTOTYPE: |
3827 | PROTOTYPE: |
3556 | PPCODE: |
3828 | PPCODE: |
3557 | { |
3829 | { |
3558 | struct coro *coro; |
3830 | struct coro *coro; |
3559 | for (coro = coro_first; coro; coro = coro->next) |
3831 | for (coro = coro_first; coro; coro = coro->next) |
3560 | if (coro->hv) |
3832 | if (coro->hv) |
3561 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
3833 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
3562 | } |
3834 | } |
3563 | |
3835 | |
… | |
… | |
3565 | call (Coro::State coro, SV *coderef) |
3837 | call (Coro::State coro, SV *coderef) |
3566 | ALIAS: |
3838 | ALIAS: |
3567 | eval = 1 |
3839 | eval = 1 |
3568 | CODE: |
3840 | CODE: |
3569 | { |
3841 | { |
|
|
3842 | struct coro *current = SvSTATE_current; |
|
|
3843 | |
3570 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
3844 | if ((coro == current) || (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot))) |
3571 | { |
3845 | { |
3572 | struct coro *current = SvSTATE_current; |
|
|
3573 | struct CoroSLF slf_save; |
3846 | struct CoroSLF slf_save; |
3574 | |
3847 | |
3575 | if (current != coro) |
3848 | if (current != coro) |
3576 | { |
3849 | { |
3577 | PUTBACK; |
3850 | PUTBACK; |
… | |
… | |
3627 | RETVAL = boolSV (coro->flags & ix); |
3900 | RETVAL = boolSV (coro->flags & ix); |
3628 | OUTPUT: |
3901 | OUTPUT: |
3629 | RETVAL |
3902 | RETVAL |
3630 | |
3903 | |
3631 | void |
3904 | void |
3632 | throw (Coro::State self, SV *exception = &PL_sv_undef) |
3905 | throw (SV *self, SV *exception = &PL_sv_undef) |
3633 | PROTOTYPE: $;$ |
3906 | PROTOTYPE: $;$ |
3634 | CODE: |
3907 | CODE: |
3635 | { |
3908 | { |
|
|
3909 | struct coro *coro = SvSTATE (self); |
3636 | struct coro *current = SvSTATE_current; |
3910 | struct coro *current = SvSTATE_current; |
3637 | SV **exceptionp = self == current ? &CORO_THROW : &self->except; |
3911 | SV **exceptionp = coro == current ? &CORO_THROW : &coro->except; |
3638 | SvREFCNT_dec (*exceptionp); |
3912 | SvREFCNT_dec (*exceptionp); |
3639 | SvGETMAGIC (exception); |
3913 | SvGETMAGIC (exception); |
3640 | *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; |
3914 | *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; |
|
|
3915 | |
|
|
3916 | api_ready (aTHX_ self); |
3641 | } |
3917 | } |
3642 | |
3918 | |
3643 | void |
3919 | void |
3644 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3920 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3645 | PROTOTYPE: $;$ |
3921 | PROTOTYPE: $;$ |
… | |
… | |
3722 | |
3998 | |
3723 | void |
3999 | void |
3724 | times (Coro::State self) |
4000 | times (Coro::State self) |
3725 | PPCODE: |
4001 | PPCODE: |
3726 | { |
4002 | { |
3727 | struct coro *current = SvSTATE (coro_current); |
4003 | struct coro *current = SvSTATE (coro_current); |
3728 | |
4004 | |
3729 | if (ecb_expect_false (current == self)) |
4005 | if (ecb_expect_false (current == self)) |
3730 | { |
4006 | { |
3731 | coro_times_update (); |
4007 | coro_times_update (); |
3732 | coro_times_add (SvSTATE (coro_current)); |
4008 | coro_times_add (SvSTATE (coro_current)); |
… | |
… | |
3739 | if (ecb_expect_false (current == self)) |
4015 | if (ecb_expect_false (current == self)) |
3740 | coro_times_sub (SvSTATE (coro_current)); |
4016 | coro_times_sub (SvSTATE (coro_current)); |
3741 | } |
4017 | } |
3742 | |
4018 | |
3743 | void |
4019 | void |
3744 | swap_sv (Coro::State coro, SV *sv, SV *swapsv) |
4020 | swap_sv (Coro::State coro, SV *sva, SV *svb) |
3745 | CODE: |
4021 | CODE: |
3746 | { |
4022 | { |
3747 | struct coro *current = SvSTATE_current; |
4023 | struct coro *current = SvSTATE_current; |
|
|
4024 | AV *swap_sv; |
|
|
4025 | int i; |
|
|
4026 | |
|
|
4027 | sva = SvRV (sva); |
|
|
4028 | svb = SvRV (svb); |
3748 | |
4029 | |
3749 | if (current == coro) |
4030 | if (current == coro) |
3750 | SWAP_SVS (current); |
4031 | SWAP_SVS_LEAVE (current); |
3751 | |
4032 | |
3752 | if (!coro->swap_sv) |
4033 | if (!coro->swap_sv) |
3753 | coro->swap_sv = newAV (); |
4034 | coro->swap_sv = newAV (); |
3754 | |
4035 | |
|
|
4036 | swap_sv = coro->swap_sv; |
|
|
4037 | |
|
|
4038 | for (i = AvFILLp (swap_sv) - 1; i >= 0; i -= 2) |
|
|
4039 | { |
|
|
4040 | SV *a = AvARRAY (swap_sv)[i ]; |
|
|
4041 | SV *b = AvARRAY (swap_sv)[i + 1]; |
|
|
4042 | |
|
|
4043 | if (a == sva && b == svb) |
|
|
4044 | { |
|
|
4045 | SvREFCNT_dec_NN (a); |
|
|
4046 | SvREFCNT_dec_NN (b); |
|
|
4047 | |
|
|
4048 | for (; i <= AvFILLp (swap_sv) - 2; i++) |
|
|
4049 | AvARRAY (swap_sv)[i] = AvARRAY (swap_sv)[i + 2]; |
|
|
4050 | |
|
|
4051 | AvFILLp (swap_sv) -= 2; |
|
|
4052 | |
|
|
4053 | goto removed; |
|
|
4054 | } |
|
|
4055 | } |
|
|
4056 | |
3755 | av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (sv ))); |
4057 | av_push (swap_sv, SvREFCNT_inc_NN (sva)); |
3756 | av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (swapsv))); |
4058 | av_push (swap_sv, SvREFCNT_inc_NN (svb)); |
|
|
4059 | |
|
|
4060 | removed: |
3757 | |
4061 | |
3758 | if (current == coro) |
4062 | if (current == coro) |
3759 | SWAP_SVS (current); |
4063 | SWAP_SVS_ENTER (current); |
3760 | } |
4064 | } |
3761 | |
4065 | |
3762 | |
4066 | |
3763 | MODULE = Coro::State PACKAGE = Coro |
4067 | MODULE = Coro::State PACKAGE = Coro |
3764 | |
4068 | |
3765 | BOOT: |
4069 | BOOT: |
3766 | { |
4070 | { |
|
|
4071 | if (SVt_LAST > 32) |
|
|
4072 | croak ("Coro internal error: SVt_LAST > 32, swap_sv might need adjustment"); |
|
|
4073 | |
3767 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
4074 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3768 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
4075 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3769 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
4076 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
3770 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
4077 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
3771 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
4078 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
… | |
… | |
3775 | |
4082 | |
3776 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
4083 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3777 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
4084 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
3778 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
4085 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
3779 | CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */ |
4086 | CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */ |
3780 | |
4087 | |
3781 | coro_stash = gv_stashpv ("Coro", TRUE); |
4088 | coro_stash = gv_stashpv ("Coro", TRUE); |
3782 | |
4089 | |
3783 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
4090 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
3784 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
4091 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
3785 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL)); |
4092 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL)); |
… | |
… | |
3797 | coroapi.ready = api_ready; |
4104 | coroapi.ready = api_ready; |
3798 | coroapi.is_ready = api_is_ready; |
4105 | coroapi.is_ready = api_is_ready; |
3799 | coroapi.nready = coro_nready; |
4106 | coroapi.nready = coro_nready; |
3800 | coroapi.current = coro_current; |
4107 | coroapi.current = coro_current; |
3801 | |
4108 | |
|
|
4109 | coroapi.enterleave_hook = api_enterleave_hook; |
|
|
4110 | coroapi.enterleave_unhook = api_enterleave_unhook; |
|
|
4111 | coroapi.enterleave_scope_hook = api_enterleave_scope_hook; |
|
|
4112 | |
3802 | /*GCoroAPI = &coroapi;*/ |
4113 | /*GCoroAPI = &coroapi;*/ |
3803 | sv_setiv (sv, (IV)&coroapi); |
4114 | sv_setiv (sv, PTR2IV (&coroapi)); |
3804 | SvREADONLY_on (sv); |
4115 | SvREADONLY_on (sv); |
3805 | } |
4116 | } |
3806 | } |
4117 | } |
3807 | |
4118 | |
3808 | SV * |
4119 | SV * |
… | |
… | |
3871 | |
4182 | |
3872 | void |
4183 | void |
3873 | _set_current (SV *current) |
4184 | _set_current (SV *current) |
3874 | PROTOTYPE: $ |
4185 | PROTOTYPE: $ |
3875 | CODE: |
4186 | CODE: |
3876 | SvREFCNT_dec (SvRV (coro_current)); |
4187 | SvREFCNT_dec_NN (SvRV (coro_current)); |
3877 | SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current))); |
4188 | SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current))); |
3878 | |
4189 | |
3879 | void |
4190 | void |
3880 | _set_readyhook (SV *hook) |
4191 | _set_readyhook (SV *hook) |
3881 | PROTOTYPE: $ |
4192 | PROTOTYPE: $ |
… | |
… | |
3965 | |
4276 | |
3966 | if ((SV *)hv == &PL_sv_undef) |
4277 | if ((SV *)hv == &PL_sv_undef) |
3967 | { |
4278 | { |
3968 | SV *sv = coro_new (aTHX_ coro_stash, (SV **)&cv_pool_handler, 1, 1); |
4279 | SV *sv = coro_new (aTHX_ coro_stash, (SV **)&cv_pool_handler, 1, 1); |
3969 | hv = (HV *)SvREFCNT_inc_NN (SvRV (sv)); |
4280 | hv = (HV *)SvREFCNT_inc_NN (SvRV (sv)); |
3970 | SvREFCNT_dec (sv); |
4281 | SvREFCNT_dec_NN (sv); |
3971 | } |
4282 | } |
3972 | |
4283 | |
3973 | { |
4284 | { |
3974 | struct coro *coro = SvSTATE_hv (hv); |
4285 | struct coro *coro = SvSTATE_hv (hv); |
3975 | |
4286 | |
… | |
… | |
3982 | api_ready (aTHX_ (SV *)hv); |
4293 | api_ready (aTHX_ (SV *)hv); |
3983 | |
4294 | |
3984 | if (GIMME_V != G_VOID) |
4295 | if (GIMME_V != G_VOID) |
3985 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv))); |
4296 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv))); |
3986 | else |
4297 | else |
3987 | SvREFCNT_dec (hv); |
4298 | SvREFCNT_dec_NN (hv); |
3988 | } |
4299 | } |
3989 | |
4300 | |
3990 | SV * |
4301 | SV * |
3991 | rouse_cb () |
4302 | rouse_cb () |
3992 | PROTOTYPE: |
4303 | PROTOTYPE: |
… | |
… | |
4007 | on_leave = 1 |
4318 | on_leave = 1 |
4008 | PROTOTYPE: & |
4319 | PROTOTYPE: & |
4009 | CODE: |
4320 | CODE: |
4010 | { |
4321 | { |
4011 | struct coro *coro = SvSTATE_current; |
4322 | struct coro *coro = SvSTATE_current; |
4012 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
4323 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
4013 | |
4324 | |
4014 | block = s_get_cv_croak (block); |
4325 | block = s_get_cv_croak (block); |
4015 | |
4326 | |
4016 | if (!*avp) |
4327 | if (!*avp) |
4017 | *avp = newAV (); |
4328 | *avp = newAV (); |
… | |
… | |
4037 | |
4348 | |
4038 | SV * |
4349 | SV * |
4039 | new (SV *klass, SV *count = 0) |
4350 | new (SV *klass, SV *count = 0) |
4040 | CODE: |
4351 | CODE: |
4041 | { |
4352 | { |
4042 | int semcnt = 1; |
4353 | int semcnt = 1; |
4043 | |
4354 | |
4044 | if (count) |
4355 | if (count) |
4045 | { |
4356 | { |
4046 | SvGETMAGIC (count); |
4357 | SvGETMAGIC (count); |
4047 | |
4358 | |
… | |
… | |
4071 | RETVAL = newSVsv (AvARRAY ((AV *)SvRV (self))[0]); |
4382 | RETVAL = newSVsv (AvARRAY ((AV *)SvRV (self))[0]); |
4072 | OUTPUT: |
4383 | OUTPUT: |
4073 | RETVAL |
4384 | RETVAL |
4074 | |
4385 | |
4075 | void |
4386 | void |
4076 | up (SV *self, int adjust = 1) |
4387 | up (SV *self) |
4077 | ALIAS: |
|
|
4078 | adjust = 1 |
|
|
4079 | CODE: |
4388 | CODE: |
|
|
4389 | coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), 1); |
|
|
4390 | |
|
|
4391 | void |
|
|
4392 | adjust (SV *self, int adjust) |
|
|
4393 | CODE: |
4080 | coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), ix ? adjust : 1); |
4394 | coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), adjust); |
4081 | |
4395 | |
4082 | void |
4396 | void |
4083 | down (...) |
4397 | down (...) |
4084 | CODE: |
4398 | CODE: |
4085 | CORO_EXECUTE_SLF_XS (slf_init_semaphore_down); |
4399 | CORO_EXECUTE_SLF_XS (slf_init_semaphore_down); |
… | |
… | |
4107 | XSRETURN_NO; |
4421 | XSRETURN_NO; |
4108 | } |
4422 | } |
4109 | |
4423 | |
4110 | void |
4424 | void |
4111 | waiters (SV *self) |
4425 | waiters (SV *self) |
4112 | PPCODE: |
4426 | PPCODE: |
4113 | { |
4427 | { |
4114 | AV *av = (AV *)SvRV (self); |
4428 | AV *av = (AV *)SvRV (self); |
4115 | int wcount = AvFILLp (av) + 1 - 1; |
4429 | int wcount = AvFILLp (av) + 1 - 1; |
4116 | |
4430 | |
4117 | if (GIMME_V == G_SCALAR) |
4431 | if (GIMME_V == G_SCALAR) |
… | |
… | |
4126 | } |
4440 | } |
4127 | |
4441 | |
4128 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
4442 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
4129 | |
4443 | |
4130 | void |
4444 | void |
4131 | _may_delete (SV *sem, int count, int extra_refs) |
4445 | _may_delete (SV *sem, int count, unsigned int extra_refs) |
4132 | PPCODE: |
4446 | PPCODE: |
4133 | { |
4447 | { |
4134 | AV *av = (AV *)SvRV (sem); |
4448 | AV *av = (AV *)SvRV (sem); |
4135 | |
4449 | |
4136 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
4450 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
4137 | && AvFILLp (av) == 0 /* no waiters, just count */ |
4451 | && AvFILLp (av) == 0 /* no waiters, just count */ |
4138 | && SvIV (AvARRAY (av)[0]) == count) |
4452 | && SvIV (AvARRAY (av)[0]) == count) |
4139 | XSRETURN_YES; |
4453 | XSRETURN_YES; |
… | |
… | |
4160 | |
4474 | |
4161 | void |
4475 | void |
4162 | broadcast (SV *self) |
4476 | broadcast (SV *self) |
4163 | CODE: |
4477 | CODE: |
4164 | { |
4478 | { |
4165 | AV *av = (AV *)SvRV (self); |
4479 | AV *av = (AV *)SvRV (self); |
4166 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
4480 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
4167 | } |
4481 | } |
4168 | |
4482 | |
4169 | void |
4483 | void |
4170 | send (SV *self) |
4484 | send (SV *self) |
… | |
… | |
4178 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
4492 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
4179 | } |
4493 | } |
4180 | |
4494 | |
4181 | IV |
4495 | IV |
4182 | awaited (SV *self) |
4496 | awaited (SV *self) |
4183 | CODE: |
4497 | CODE: |
4184 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
4498 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
4185 | OUTPUT: |
4499 | OUTPUT: |
4186 | RETVAL |
4500 | RETVAL |
4187 | |
4501 | |
4188 | |
4502 | |
… | |
… | |
4193 | |
4507 | |
4194 | void |
4508 | void |
4195 | _schedule (...) |
4509 | _schedule (...) |
4196 | CODE: |
4510 | CODE: |
4197 | { |
4511 | { |
4198 | static int incede; |
4512 | static int incede; |
4199 | |
4513 | |
4200 | api_cede_notself (aTHX); |
4514 | api_cede_notself (aTHX); |
4201 | |
4515 | |
4202 | ++incede; |
4516 | ++incede; |
4203 | while (coro_nready >= incede && api_cede (aTHX)) |
4517 | while (coro_nready >= incede && api_cede (aTHX)) |
… | |
… | |
4247 | { |
4561 | { |
4248 | PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; |
4562 | PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; |
4249 | coro_old_pp_sselect = 0; |
4563 | coro_old_pp_sselect = 0; |
4250 | } |
4564 | } |
4251 | |
4565 | |
|
|
4566 | MODULE = Coro::State PACKAGE = Coro::Util |
|
|
4567 | |
|
|
4568 | void |
|
|
4569 | _exit (int code) |
|
|
4570 | CODE: |
|
|
4571 | _exit (code); |
|
|
4572 | |
|
|
4573 | NV |
|
|
4574 | time () |
|
|
4575 | CODE: |
|
|
4576 | RETVAL = nvtime (aTHX); |
|
|
4577 | OUTPUT: |
|
|
4578 | RETVAL |
|
|
4579 | |
|
|
4580 | NV |
|
|
4581 | gettimeofday () |
|
|
4582 | PPCODE: |
|
|
4583 | { |
|
|
4584 | UV tv [2]; |
|
|
4585 | u2time (aTHX_ tv); |
|
|
4586 | EXTEND (SP, 2); |
|
|
4587 | PUSHs (sv_2mortal (newSVuv (tv [0]))); |
|
|
4588 | PUSHs (sv_2mortal (newSVuv (tv [1]))); |
|
|
4589 | } |
|
|
4590 | |