1 | #include "libcoro/coro.c" |
1 | #include "libcoro/coro.c" |
2 | |
2 | |
3 | #define PERL_NO_GET_CONTEXT |
3 | #define PERL_NO_GET_CONTEXT |
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4 | #define PERL_EXT |
4 | |
5 | |
5 | #include "EXTERN.h" |
6 | #include "EXTERN.h" |
6 | #include "perl.h" |
7 | #include "perl.h" |
7 | #include "XSUB.h" |
8 | #include "XSUB.h" |
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9 | #include "perliol.h" |
8 | |
10 | |
9 | #include "patchlevel.h" |
11 | #include "patchlevel.h" |
10 | |
12 | |
11 | #include <stdio.h> |
13 | #include <stdio.h> |
12 | #include <errno.h> |
14 | #include <errno.h> |
13 | #include <assert.h> |
15 | #include <assert.h> |
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16 | |
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17 | #ifdef WIN32 |
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18 | # undef setjmp |
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19 | # undef longjmp |
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20 | # undef _exit |
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21 | # define setjmp _setjmp // deep magic, don't ask |
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22 | #else |
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23 | # include <inttypes.h> /* most portable stdint.h */ |
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24 | #endif |
14 | |
25 | |
15 | #ifdef HAVE_MMAP |
26 | #ifdef HAVE_MMAP |
16 | # include <unistd.h> |
27 | # include <unistd.h> |
17 | # include <sys/mman.h> |
28 | # include <sys/mman.h> |
18 | # ifndef MAP_ANONYMOUS |
29 | # ifndef MAP_ANONYMOUS |
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… | |
35 | # define BOOT_PAGESIZE (void)0 |
46 | # define BOOT_PAGESIZE (void)0 |
36 | #endif |
47 | #endif |
37 | |
48 | |
38 | #if CORO_USE_VALGRIND |
49 | #if CORO_USE_VALGRIND |
39 | # include <valgrind/valgrind.h> |
50 | # include <valgrind/valgrind.h> |
40 | # define REGISTER_STACK(cctx,start,end) (cctx)->valgrind_id = VALGRIND_STACK_REGISTER ((start), (end)) |
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41 | #else |
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42 | # define REGISTER_STACK(cctx,start,end) |
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43 | #endif |
51 | #endif |
44 | |
52 | |
45 | /* the maximum number of idle cctx that will be pooled */ |
53 | /* the maximum number of idle cctx that will be pooled */ |
46 | #define MAX_IDLE_CCTX 8 |
54 | static int cctx_max_idle = 4; |
47 | |
55 | |
48 | #define PERL_VERSION_ATLEAST(a,b,c) \ |
56 | #define PERL_VERSION_ATLEAST(a,b,c) \ |
49 | (PERL_REVISION > (a) \ |
57 | (PERL_REVISION > (a) \ |
50 | || (PERL_REVISION == (a) \ |
58 | || (PERL_REVISION == (a) \ |
51 | && (PERL_VERSION > (b) \ |
59 | && (PERL_VERSION > (b) \ |
… | |
… | |
70 | # ifndef IS_PADCONST |
78 | # ifndef IS_PADCONST |
71 | # define IS_PADCONST(v) 0 |
79 | # define IS_PADCONST(v) 0 |
72 | # endif |
80 | # endif |
73 | #endif |
81 | #endif |
74 | |
82 | |
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83 | /* 5.11 */ |
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84 | #ifndef CxHASARGS |
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85 | # define CxHASARGS(cx) (cx)->blk_sub.hasargs |
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86 | #endif |
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87 | |
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88 | /* 5.10.0 */ |
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89 | #ifndef SvREFCNT_inc_NN |
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90 | # define SvREFCNT_inc_NN(sv) SvREFCNT_inc (sv) |
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91 | #endif |
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92 | |
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93 | /* 5.8.8 */ |
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94 | #ifndef GV_NOTQUAL |
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95 | # define GV_NOTQUAL 0 |
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96 | #endif |
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97 | #ifndef newSV |
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98 | # define newSV(l) NEWSV(0,l) |
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99 | #endif |
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100 | |
75 | /* 5.8.7 */ |
101 | /* 5.8.7 */ |
76 | #ifndef SvRV_set |
102 | #ifndef SvRV_set |
77 | # define SvRV_set(s,v) SvRV(s) = (v) |
103 | # define SvRV_set(s,v) SvRV(s) = (v) |
78 | #endif |
104 | #endif |
79 | |
105 | |
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97 | |
123 | |
98 | #define IN_DESTRUCT (PL_main_cv == Nullcv) |
124 | #define IN_DESTRUCT (PL_main_cv == Nullcv) |
99 | |
125 | |
100 | #if __GNUC__ >= 3 |
126 | #if __GNUC__ >= 3 |
101 | # define attribute(x) __attribute__(x) |
127 | # define attribute(x) __attribute__(x) |
102 | # define BARRIER __asm__ __volatile__ ("" : : : "memory") |
128 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
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129 | # define INLINE static inline |
103 | #else |
130 | #else |
104 | # define attribute(x) |
131 | # define attribute(x) |
105 | # define BARRIER |
132 | # define expect(expr,value) (expr) |
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133 | # define INLINE static |
106 | #endif |
134 | #endif |
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135 | |
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136 | #define expect_false(expr) expect ((expr) != 0, 0) |
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137 | #define expect_true(expr) expect ((expr) != 0, 1) |
107 | |
138 | |
108 | #define NOINLINE attribute ((noinline)) |
139 | #define NOINLINE attribute ((noinline)) |
109 | |
140 | |
110 | #include "CoroAPI.h" |
141 | #include "CoroAPI.h" |
111 | |
142 | |
112 | #ifdef USE_ITHREADS |
143 | #ifdef USE_ITHREADS |
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144 | |
113 | static perl_mutex coro_mutex; |
145 | static perl_mutex coro_lock; |
114 | # define LOCK do { MUTEX_LOCK (&coro_mutex); } while (0) |
146 | # define LOCK do { MUTEX_LOCK (&coro_lock); } while (0) |
115 | # define UNLOCK do { MUTEX_UNLOCK (&coro_mutex); } while (0) |
147 | # define UNLOCK do { MUTEX_UNLOCK (&coro_lock); } while (0) |
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148 | # if CORO_PTHREAD |
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149 | static void *coro_thx; |
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150 | # endif |
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151 | |
116 | #else |
152 | #else |
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153 | |
117 | # define LOCK (void)0 |
154 | # define LOCK (void)0 |
118 | # define UNLOCK (void)0 |
155 | # define UNLOCK (void)0 |
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156 | |
119 | #endif |
157 | #endif |
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158 | |
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159 | # undef LOCK |
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160 | # define LOCK (void)0 |
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161 | # undef UNLOCK |
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162 | # define UNLOCK (void)0 |
120 | |
163 | |
121 | /* helper storage struct for Coro::AIO */ |
164 | /* helper storage struct for Coro::AIO */ |
122 | struct io_state |
165 | struct io_state |
123 | { |
166 | { |
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167 | AV *res; |
124 | int errorno; |
168 | int errorno; |
125 | I32 laststype; |
169 | I32 laststype; /* U16 in 5.10.0 */ |
126 | int laststatval; |
170 | int laststatval; |
127 | Stat_t statcache; |
171 | Stat_t statcache; |
128 | }; |
172 | }; |
129 | |
173 | |
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174 | static double (*nvtime)(); /* so why doesn't it take void? */ |
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175 | |
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176 | static U32 cctx_gen; |
130 | static size_t coro_stacksize = CORO_STACKSIZE; |
177 | static size_t cctx_stacksize = CORO_STACKSIZE; |
131 | static struct CoroAPI coroapi; |
178 | static struct CoroAPI coroapi; |
132 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
179 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
133 | static JMPENV *main_top_env; |
180 | static JMPENV *main_top_env; |
134 | static HV *coro_state_stash, *coro_stash; |
181 | static HV *coro_state_stash, *coro_stash; |
135 | static SV *coro_mortal; /* will be freed after next transfer */ |
182 | static volatile SV *coro_mortal; /* will be freed/thrown after next transfer */ |
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183 | static volatile struct coro *transfer_next; |
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184 | |
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185 | struct transfer_args |
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186 | { |
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187 | struct coro *prev, *next; |
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188 | }; |
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189 | |
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190 | static GV *irsgv; /* $/ */ |
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191 | static GV *stdoutgv; /* *STDOUT */ |
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192 | static SV *rv_diehook; |
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193 | static SV *rv_warnhook; |
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194 | static HV *hv_sig; /* %SIG */ |
136 | |
195 | |
137 | /* async_pool helper stuff */ |
196 | /* async_pool helper stuff */ |
138 | static SV *sv_pool_rss; |
197 | static SV *sv_pool_rss; |
139 | static SV *sv_pool_size; |
198 | static SV *sv_pool_size; |
140 | static AV *av_async_pool; |
199 | static AV *av_async_pool; |
141 | |
200 | |
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201 | /* Coro::AnyEvent */ |
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202 | static SV *sv_activity; |
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203 | |
142 | static struct coro_cctx *cctx_first; |
204 | static struct coro_cctx *cctx_first; |
143 | static int cctx_count, cctx_idle; |
205 | static int cctx_count, cctx_idle; |
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206 | |
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207 | enum { |
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208 | CC_MAPPED = 0x01, |
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209 | CC_NOREUSE = 0x02, /* throw this away after tracing */ |
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210 | CC_TRACE = 0x04, |
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211 | CC_TRACE_SUB = 0x08, /* trace sub calls */ |
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212 | CC_TRACE_LINE = 0x10, /* trace each statement */ |
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213 | CC_TRACE_ALL = CC_TRACE_SUB | CC_TRACE_LINE, |
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214 | }; |
144 | |
215 | |
145 | /* this is a structure representing a c-level coroutine */ |
216 | /* this is a structure representing a c-level coroutine */ |
146 | typedef struct coro_cctx { |
217 | typedef struct coro_cctx { |
147 | struct coro_cctx *next; |
218 | struct coro_cctx *next; |
148 | |
219 | |
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154 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
225 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
155 | JMPENV *idle_te; /* same as idle_sp, but for top_env, TODO: remove once stable */ |
226 | JMPENV *idle_te; /* same as idle_sp, but for top_env, TODO: remove once stable */ |
156 | JMPENV *top_env; |
227 | JMPENV *top_env; |
157 | coro_context cctx; |
228 | coro_context cctx; |
158 | |
229 | |
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230 | U32 gen; |
159 | #if CORO_USE_VALGRIND |
231 | #if CORO_USE_VALGRIND |
160 | int valgrind_id; |
232 | int valgrind_id; |
161 | #endif |
233 | #endif |
162 | char inuse, mapped; |
234 | unsigned char flags; |
163 | } coro_cctx; |
235 | } coro_cctx; |
164 | |
236 | |
165 | enum { |
237 | enum { |
166 | CF_RUNNING = 0x0001, /* coroutine is running */ |
238 | CF_RUNNING = 0x0001, /* coroutine is running */ |
167 | CF_READY = 0x0002, /* coroutine is ready */ |
239 | CF_READY = 0x0002, /* coroutine is ready */ |
168 | CF_NEW = 0x0004, /* has never been switched to */ |
240 | CF_NEW = 0x0004, /* has never been switched to */ |
169 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
241 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
170 | }; |
242 | }; |
171 | |
243 | |
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244 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
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245 | typedef struct { |
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246 | SV *defsv; |
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247 | AV *defav; |
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248 | SV *errsv; |
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249 | SV *irsgv; |
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250 | #define VAR(name,type) type name; |
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251 | # include "state.h" |
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252 | #undef VAR |
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253 | } perl_slots; |
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254 | |
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255 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
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256 | |
172 | /* this is a structure representing a perl-level coroutine */ |
257 | /* this is a structure representing a perl-level coroutine */ |
173 | struct coro { |
258 | struct coro { |
174 | /* the c coroutine allocated to this perl coroutine, if any */ |
259 | /* the c coroutine allocated to this perl coroutine, if any */ |
175 | coro_cctx *cctx; |
260 | coro_cctx *cctx; |
176 | |
261 | |
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262 | /* process data */ |
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263 | AV *mainstack; |
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264 | perl_slots *slot; /* basically the saved sp */ |
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265 | |
177 | /* data associated with this coroutine (initial args) */ |
266 | AV *args; /* data associated with this coroutine (initial args) */ |
178 | AV *args; |
267 | int refcnt; /* coroutines are refcounted, yes */ |
179 | int refcnt; |
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180 | int save; /* CORO_SAVE flags */ |
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181 | int flags; /* CF_ flags */ |
268 | int flags; /* CF_ flags */ |
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269 | HV *hv; /* the perl hash associated with this coro, if any */ |
182 | |
270 | |
183 | /* optionally saved, might be zero */ |
271 | /* statistics */ |
184 | AV *defav; /* @_ */ |
272 | int usecount; /* number of transfers to this coro */ |
185 | SV *defsv; /* $_ */ |
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186 | SV *errsv; /* $@ */ |
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187 | GV *deffh; /* default filehandle */ |
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188 | SV *irssv; /* $/ */ |
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189 | SV *irssv_sv; /* real $/ cache */ |
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190 | |
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191 | #define VAR(name,type) type name; |
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192 | # include "state.h" |
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193 | #undef VAR |
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194 | |
273 | |
195 | /* coro process data */ |
274 | /* coro process data */ |
196 | int prio; |
275 | int prio; |
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276 | SV *throw; /* exception to be thrown */ |
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277 | |
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278 | /* async_pool */ |
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279 | SV *saved_deffh; |
197 | |
280 | |
198 | /* linked list */ |
281 | /* linked list */ |
199 | struct coro *next, *prev; |
282 | struct coro *next, *prev; |
200 | HV *hv; /* the perl hash associated with this coro, if any */ |
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201 | }; |
283 | }; |
202 | |
284 | |
203 | typedef struct coro *Coro__State; |
285 | typedef struct coro *Coro__State; |
204 | typedef struct coro *Coro__State_or_hashref; |
286 | typedef struct coro *Coro__State_or_hashref; |
205 | |
287 | |
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212 | #define PRIO_IDLE -3 |
294 | #define PRIO_IDLE -3 |
213 | #define PRIO_MIN -4 |
295 | #define PRIO_MIN -4 |
214 | |
296 | |
215 | /* for Coro.pm */ |
297 | /* for Coro.pm */ |
216 | static SV *coro_current; |
298 | static SV *coro_current; |
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299 | static SV *coro_readyhook; |
217 | static AV *coro_ready [PRIO_MAX-PRIO_MIN+1]; |
300 | static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1]; |
218 | static int coro_nready; |
301 | static int coro_nready; |
219 | static struct coro *coro_first; |
302 | static struct coro *coro_first; |
220 | |
303 | |
221 | /** lowlevel stuff **********************************************************/ |
304 | /** lowlevel stuff **********************************************************/ |
222 | |
305 | |
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306 | static SV * |
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307 | coro_get_sv (pTHX_ const char *name, int create) |
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308 | { |
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309 | #if PERL_VERSION_ATLEAST (5,10,0) |
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310 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
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311 | get_sv (name, create); |
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312 | #endif |
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313 | return get_sv (name, create); |
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314 | } |
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315 | |
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316 | static AV * |
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317 | coro_get_av (pTHX_ const char *name, int create) |
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318 | { |
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319 | #if PERL_VERSION_ATLEAST (5,10,0) |
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320 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
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321 | get_av (name, create); |
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322 | #endif |
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323 | return get_av (name, create); |
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324 | } |
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325 | |
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326 | static HV * |
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327 | coro_get_hv (pTHX_ const char *name, int create) |
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328 | { |
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329 | #if PERL_VERSION_ATLEAST (5,10,0) |
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330 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
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331 | get_hv (name, create); |
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332 | #endif |
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333 | return get_hv (name, create); |
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334 | } |
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335 | |
223 | static AV * |
336 | static AV * |
224 | coro_clone_padlist (pTHX_ CV *cv) |
337 | coro_clone_padlist (pTHX_ CV *cv) |
225 | { |
338 | { |
226 | AV *padlist = CvPADLIST (cv); |
339 | AV *padlist = CvPADLIST (cv); |
227 | AV *newpadlist, *newpad; |
340 | AV *newpadlist, *newpad; |
228 | |
341 | |
229 | newpadlist = newAV (); |
342 | newpadlist = newAV (); |
230 | AvREAL_off (newpadlist); |
343 | AvREAL_off (newpadlist); |
231 | #if PERL_VERSION_ATLEAST (5,9,0) |
344 | #if PERL_VERSION_ATLEAST (5,10,0) |
232 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1); |
345 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1); |
233 | #else |
346 | #else |
234 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
347 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
235 | #endif |
348 | #endif |
236 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
349 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
237 | --AvFILLp (padlist); |
350 | --AvFILLp (padlist); |
238 | |
351 | |
239 | av_store (newpadlist, 0, SvREFCNT_inc (*av_fetch (padlist, 0, FALSE))); |
352 | av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE))); |
240 | av_store (newpadlist, 1, (SV *)newpad); |
353 | av_store (newpadlist, 1, (SV *)newpad); |
241 | |
354 | |
242 | return newpadlist; |
355 | return newpadlist; |
243 | } |
356 | } |
244 | |
357 | |
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274 | |
387 | |
275 | /* casting is fun. */ |
388 | /* casting is fun. */ |
276 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
389 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
277 | free_padlist (aTHX_ padlist); |
390 | free_padlist (aTHX_ padlist); |
278 | |
391 | |
279 | SvREFCNT_dec (av); |
392 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
280 | |
393 | |
281 | return 0; |
394 | return 0; |
282 | } |
395 | } |
283 | |
396 | |
284 | #define PERL_MAGIC_coro PERL_MAGIC_ext |
397 | #define CORO_MAGIC_type_cv PERL_MAGIC_ext |
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398 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
285 | |
399 | |
286 | static MGVTBL vtbl_coro = {0, 0, 0, 0, coro_cv_free}; |
400 | static MGVTBL coro_cv_vtbl = { |
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401 | 0, 0, 0, 0, |
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402 | coro_cv_free |
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403 | }; |
287 | |
404 | |
288 | #define CORO_MAGIC(cv) \ |
405 | #define CORO_MAGIC(sv, type) \ |
289 | SvMAGIC (cv) \ |
406 | SvMAGIC (sv) \ |
290 | ? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \ |
407 | ? SvMAGIC (sv)->mg_type == type \ |
291 | ? SvMAGIC (cv) \ |
408 | ? SvMAGIC (sv) \ |
292 | : mg_find ((SV *)cv, PERL_MAGIC_coro) \ |
409 | : mg_find (sv, type) \ |
293 | : 0 |
410 | : 0 |
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411 | |
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412 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
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413 | #define CORO_MAGIC_state(sv) CORO_MAGIC (((SV *)(sv)), CORO_MAGIC_type_state) |
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414 | |
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415 | INLINE struct coro * |
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416 | SvSTATE_ (pTHX_ SV *coro) |
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417 | { |
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418 | HV *stash; |
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419 | MAGIC *mg; |
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420 | |
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421 | if (SvROK (coro)) |
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422 | coro = SvRV (coro); |
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423 | |
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424 | if (expect_false (SvTYPE (coro) != SVt_PVHV)) |
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425 | croak ("Coro::State object required"); |
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426 | |
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427 | stash = SvSTASH (coro); |
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428 | if (expect_false (stash != coro_stash && stash != coro_state_stash)) |
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429 | { |
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430 | /* very slow, but rare, check */ |
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431 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
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432 | croak ("Coro::State object required"); |
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433 | } |
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434 | |
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435 | mg = CORO_MAGIC_state (coro); |
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436 | return (struct coro *)mg->mg_ptr; |
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437 | } |
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438 | |
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439 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
294 | |
440 | |
295 | /* the next two functions merely cache the padlists */ |
441 | /* the next two functions merely cache the padlists */ |
296 | static void |
442 | static void |
297 | get_padlist (pTHX_ CV *cv) |
443 | get_padlist (pTHX_ CV *cv) |
298 | { |
444 | { |
299 | MAGIC *mg = CORO_MAGIC (cv); |
445 | MAGIC *mg = CORO_MAGIC_cv (cv); |
300 | AV *av; |
446 | AV *av; |
301 | |
447 | |
302 | if (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0) |
448 | if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
303 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
449 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
304 | else |
450 | else |
305 | { |
451 | { |
306 | #if CORO_PREFER_PERL_FUNCTIONS |
452 | #if CORO_PREFER_PERL_FUNCTIONS |
307 | /* this is probably cleaner, but also slower? */ |
453 | /* this is probably cleaner? but also slower! */ |
|
|
454 | /* in practise, it seems to be less stable */ |
308 | CV *cp = Perl_cv_clone (cv); |
455 | CV *cp = Perl_cv_clone (cv); |
309 | CvPADLIST (cv) = CvPADLIST (cp); |
456 | CvPADLIST (cv) = CvPADLIST (cp); |
310 | CvPADLIST (cp) = 0; |
457 | CvPADLIST (cp) = 0; |
311 | SvREFCNT_dec (cp); |
458 | SvREFCNT_dec (cp); |
312 | #else |
459 | #else |
… | |
… | |
316 | } |
463 | } |
317 | |
464 | |
318 | static void |
465 | static void |
319 | put_padlist (pTHX_ CV *cv) |
466 | put_padlist (pTHX_ CV *cv) |
320 | { |
467 | { |
321 | MAGIC *mg = CORO_MAGIC (cv); |
468 | MAGIC *mg = CORO_MAGIC_cv (cv); |
322 | AV *av; |
469 | AV *av; |
323 | |
470 | |
324 | if (!mg) |
471 | if (expect_false (!mg)) |
325 | { |
472 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
326 | sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0); |
|
|
327 | mg = mg_find ((SV *)cv, PERL_MAGIC_coro); |
|
|
328 | mg->mg_virtual = &vtbl_coro; |
|
|
329 | mg->mg_obj = (SV *)newAV (); |
|
|
330 | } |
|
|
331 | |
473 | |
332 | av = (AV *)mg->mg_obj; |
474 | av = (AV *)mg->mg_obj; |
333 | |
475 | |
334 | if (AvFILLp (av) >= AvMAX (av)) |
476 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
335 | av_extend (av, AvMAX (av) + 1); |
477 | av_extend (av, AvMAX (av) + 1); |
336 | |
478 | |
337 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
479 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
338 | } |
480 | } |
339 | |
481 | |
340 | /** load & save, init *******************************************************/ |
482 | /** load & save, init *******************************************************/ |
341 | |
|
|
342 | #define SB do { |
|
|
343 | #define SE } while (0) |
|
|
344 | |
|
|
345 | #define REPLACE_SV(sv,val) SB SvREFCNT_dec (sv); (sv) = (val); (val) = 0; SE |
|
|
346 | |
483 | |
347 | static void |
484 | static void |
348 | load_perl (pTHX_ Coro__State c) |
485 | load_perl (pTHX_ Coro__State c) |
349 | { |
486 | { |
|
|
487 | perl_slots *slot = c->slot; |
|
|
488 | c->slot = 0; |
|
|
489 | |
|
|
490 | PL_mainstack = c->mainstack; |
|
|
491 | |
|
|
492 | GvSV (PL_defgv) = slot->defsv; |
|
|
493 | GvAV (PL_defgv) = slot->defav; |
|
|
494 | GvSV (PL_errgv) = slot->errsv; |
|
|
495 | GvSV (irsgv) = slot->irsgv; |
|
|
496 | |
350 | #define VAR(name,type) PL_ ## name = c->name; |
497 | #define VAR(name,type) PL_ ## name = slot->name; |
351 | # include "state.h" |
498 | # include "state.h" |
352 | #undef VAR |
499 | #undef VAR |
353 | |
|
|
354 | if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav); |
|
|
355 | if (c->defsv) REPLACE_SV (DEFSV , c->defsv); |
|
|
356 | if (c->errsv) REPLACE_SV (ERRSV , c->errsv); |
|
|
357 | if (c->deffh) REPLACE_SV (PL_defoutgv , c->deffh); |
|
|
358 | |
|
|
359 | if (c->irssv) |
|
|
360 | { |
|
|
361 | if (c->irssv == PL_rs || sv_eq (PL_rs, c->irssv)) |
|
|
362 | { |
|
|
363 | SvREFCNT_dec (c->irssv); |
|
|
364 | c->irssv = 0; |
|
|
365 | } |
|
|
366 | else |
|
|
367 | { |
|
|
368 | REPLACE_SV (PL_rs, c->irssv); |
|
|
369 | if (!c->irssv_sv) c->irssv_sv = get_sv ("/", 0); |
|
|
370 | sv_setsv (c->irssv_sv, PL_rs); |
|
|
371 | } |
|
|
372 | } |
|
|
373 | |
500 | |
374 | { |
501 | { |
375 | dSP; |
502 | dSP; |
|
|
503 | |
376 | CV *cv; |
504 | CV *cv; |
377 | |
505 | |
378 | /* now do the ugly restore mess */ |
506 | /* now do the ugly restore mess */ |
379 | while ((cv = (CV *)POPs)) |
507 | while (expect_true (cv = (CV *)POPs)) |
380 | { |
508 | { |
381 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
509 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
382 | CvDEPTH (cv) = PTR2IV (POPs); |
510 | CvDEPTH (cv) = PTR2IV (POPs); |
383 | CvPADLIST (cv) = (AV *)POPs; |
511 | CvPADLIST (cv) = (AV *)POPs; |
384 | } |
512 | } |
… | |
… | |
403 | |
531 | |
404 | XPUSHs (Nullsv); |
532 | XPUSHs (Nullsv); |
405 | /* this loop was inspired by pp_caller */ |
533 | /* this loop was inspired by pp_caller */ |
406 | for (;;) |
534 | for (;;) |
407 | { |
535 | { |
408 | while (cxix >= 0) |
536 | while (expect_true (cxix >= 0)) |
409 | { |
537 | { |
410 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
538 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
411 | |
539 | |
412 | if (CxTYPE (cx) == CXt_SUB || CxTYPE (cx) == CXt_FORMAT) |
540 | if (expect_true (CxTYPE (cx) == CXt_SUB || CxTYPE (cx) == CXt_FORMAT)) |
413 | { |
541 | { |
414 | CV *cv = cx->blk_sub.cv; |
542 | CV *cv = cx->blk_sub.cv; |
415 | |
543 | |
416 | if (CvDEPTH (cv)) |
544 | if (expect_true (CvDEPTH (cv))) |
417 | { |
545 | { |
418 | EXTEND (SP, 3); |
546 | EXTEND (SP, 3); |
419 | PUSHs ((SV *)CvPADLIST (cv)); |
547 | PUSHs ((SV *)CvPADLIST (cv)); |
420 | PUSHs (INT2PTR (SV *, CvDEPTH (cv))); |
548 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
421 | PUSHs ((SV *)cv); |
549 | PUSHs ((SV *)cv); |
422 | |
550 | |
423 | CvDEPTH (cv) = 0; |
551 | CvDEPTH (cv) = 0; |
424 | get_padlist (aTHX_ cv); |
552 | get_padlist (aTHX_ cv); |
425 | } |
553 | } |
426 | } |
554 | } |
427 | } |
555 | } |
428 | |
556 | |
429 | if (top_si->si_type == PERLSI_MAIN) |
557 | if (expect_true (top_si->si_type == PERLSI_MAIN)) |
430 | break; |
558 | break; |
431 | |
559 | |
432 | top_si = top_si->si_prev; |
560 | top_si = top_si->si_prev; |
433 | ccstk = top_si->si_cxstack; |
561 | ccstk = top_si->si_cxstack; |
434 | cxix = top_si->si_cxix; |
562 | cxix = top_si->si_cxix; |
435 | } |
563 | } |
436 | |
564 | |
437 | PUTBACK; |
565 | PUTBACK; |
438 | } |
566 | } |
439 | |
567 | |
440 | c->defav = c->save & CORO_SAVE_DEFAV ? (AV *)SvREFCNT_inc (GvAV (PL_defgv)) : 0; |
568 | /* allocate some space on the context stack for our purposes */ |
441 | c->defsv = c->save & CORO_SAVE_DEFSV ? SvREFCNT_inc (DEFSV) : 0; |
569 | /* we manually unroll here, as usually 2 slots is enough */ |
442 | c->errsv = c->save & CORO_SAVE_ERRSV ? SvREFCNT_inc (ERRSV) : 0; |
570 | if (SLOT_COUNT >= 1) CXINC; |
443 | c->deffh = c->save & CORO_SAVE_DEFFH ? (GV *)SvREFCNT_inc (PL_defoutgv) : 0; |
571 | if (SLOT_COUNT >= 2) CXINC; |
444 | c->irssv = c->save & CORO_SAVE_IRSSV ? SvREFCNT_inc (PL_rs) : 0; |
572 | if (SLOT_COUNT >= 3) CXINC; |
|
|
573 | { |
|
|
574 | int i; |
|
|
575 | for (i = 3; i < SLOT_COUNT; ++i) |
|
|
576 | CXINC; |
|
|
577 | } |
|
|
578 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
445 | |
579 | |
|
|
580 | c->mainstack = PL_mainstack; |
|
|
581 | |
|
|
582 | { |
|
|
583 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
|
|
584 | |
|
|
585 | slot->defav = GvAV (PL_defgv); |
|
|
586 | slot->defsv = DEFSV; |
|
|
587 | slot->errsv = ERRSV; |
|
|
588 | slot->irsgv = GvSV (irsgv); |
|
|
589 | |
446 | #define VAR(name,type)c->name = PL_ ## name; |
590 | #define VAR(name,type) slot->name = PL_ ## name; |
447 | # include "state.h" |
591 | # include "state.h" |
448 | #undef VAR |
592 | #undef VAR |
|
|
593 | } |
449 | } |
594 | } |
450 | |
595 | |
451 | /* |
596 | /* |
452 | * allocate various perl stacks. This is an exact copy |
597 | * allocate various perl stacks. This is an exact copy |
453 | * of perl.c:init_stacks, except that it uses less memory |
598 | * of perl.c:init_stacks, except that it uses less memory |
… | |
… | |
458 | # define coro_init_stacks init_stacks |
603 | # define coro_init_stacks init_stacks |
459 | #else |
604 | #else |
460 | static void |
605 | static void |
461 | coro_init_stacks (pTHX) |
606 | coro_init_stacks (pTHX) |
462 | { |
607 | { |
463 | PL_curstackinfo = new_stackinfo(64, 6); |
608 | PL_curstackinfo = new_stackinfo(32, 8); |
464 | PL_curstackinfo->si_type = PERLSI_MAIN; |
609 | PL_curstackinfo->si_type = PERLSI_MAIN; |
465 | PL_curstack = PL_curstackinfo->si_stack; |
610 | PL_curstack = PL_curstackinfo->si_stack; |
466 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
611 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
467 | |
612 | |
468 | PL_stack_base = AvARRAY(PL_curstack); |
613 | PL_stack_base = AvARRAY(PL_curstack); |
469 | PL_stack_sp = PL_stack_base; |
614 | PL_stack_sp = PL_stack_base; |
470 | PL_stack_max = PL_stack_base + AvMAX(PL_curstack); |
615 | PL_stack_max = PL_stack_base + AvMAX(PL_curstack); |
471 | |
616 | |
472 | New(50,PL_tmps_stack,64,SV*); |
617 | New(50,PL_tmps_stack,32,SV*); |
473 | PL_tmps_floor = -1; |
618 | PL_tmps_floor = -1; |
474 | PL_tmps_ix = -1; |
619 | PL_tmps_ix = -1; |
475 | PL_tmps_max = 64; |
620 | PL_tmps_max = 32; |
476 | |
621 | |
477 | New(54,PL_markstack,16,I32); |
622 | New(54,PL_markstack,16,I32); |
478 | PL_markstack_ptr = PL_markstack; |
623 | PL_markstack_ptr = PL_markstack; |
479 | PL_markstack_max = PL_markstack + 16; |
624 | PL_markstack_max = PL_markstack + 16; |
480 | |
625 | |
481 | #ifdef SET_MARK_OFFSET |
626 | #ifdef SET_MARK_OFFSET |
482 | SET_MARK_OFFSET; |
627 | SET_MARK_OFFSET; |
483 | #endif |
628 | #endif |
484 | |
629 | |
485 | New(54,PL_scopestack,16,I32); |
630 | New(54,PL_scopestack,8,I32); |
486 | PL_scopestack_ix = 0; |
631 | PL_scopestack_ix = 0; |
487 | PL_scopestack_max = 16; |
632 | PL_scopestack_max = 8; |
488 | |
633 | |
489 | New(54,PL_savestack,64,ANY); |
634 | New(54,PL_savestack,24,ANY); |
490 | PL_savestack_ix = 0; |
635 | PL_savestack_ix = 0; |
491 | PL_savestack_max = 64; |
636 | PL_savestack_max = 24; |
492 | |
637 | |
493 | #if !PERL_VERSION_ATLEAST (5,9,0) |
638 | #if !PERL_VERSION_ATLEAST (5,10,0) |
494 | New(54,PL_retstack,4,OP*); |
639 | New(54,PL_retstack,4,OP*); |
495 | PL_retstack_ix = 0; |
640 | PL_retstack_ix = 0; |
496 | PL_retstack_max = 4; |
641 | PL_retstack_max = 4; |
497 | #endif |
642 | #endif |
498 | } |
643 | } |
… | |
… | |
500 | |
645 | |
501 | /* |
646 | /* |
502 | * destroy the stacks, the callchain etc... |
647 | * destroy the stacks, the callchain etc... |
503 | */ |
648 | */ |
504 | static void |
649 | static void |
505 | coro_destroy_stacks (pTHX) |
650 | coro_destruct_stacks (pTHX) |
506 | { |
651 | { |
507 | if (!IN_DESTRUCT) |
|
|
508 | { |
|
|
509 | /* restore all saved variables and stuff */ |
|
|
510 | LEAVE_SCOPE (0); |
|
|
511 | assert (PL_tmps_floor == -1); |
|
|
512 | |
|
|
513 | /* free all temporaries */ |
|
|
514 | FREETMPS; |
|
|
515 | assert (PL_tmps_ix == -1); |
|
|
516 | |
|
|
517 | /* unwind all extra stacks */ |
|
|
518 | POPSTACK_TO (PL_mainstack); |
|
|
519 | |
|
|
520 | /* unwind main stack */ |
|
|
521 | dounwind (-1); |
|
|
522 | } |
|
|
523 | |
|
|
524 | while (PL_curstackinfo->si_next) |
652 | while (PL_curstackinfo->si_next) |
525 | PL_curstackinfo = PL_curstackinfo->si_next; |
653 | PL_curstackinfo = PL_curstackinfo->si_next; |
526 | |
654 | |
527 | while (PL_curstackinfo) |
655 | while (PL_curstackinfo) |
528 | { |
656 | { |
… | |
… | |
538 | |
666 | |
539 | Safefree (PL_tmps_stack); |
667 | Safefree (PL_tmps_stack); |
540 | Safefree (PL_markstack); |
668 | Safefree (PL_markstack); |
541 | Safefree (PL_scopestack); |
669 | Safefree (PL_scopestack); |
542 | Safefree (PL_savestack); |
670 | Safefree (PL_savestack); |
543 | #if !PERL_VERSION_ATLEAST (5,9,0) |
671 | #if !PERL_VERSION_ATLEAST (5,10,0) |
544 | Safefree (PL_retstack); |
672 | Safefree (PL_retstack); |
545 | #endif |
673 | #endif |
546 | } |
674 | } |
547 | |
675 | |
548 | static size_t |
676 | static size_t |
549 | coro_rss (struct coro *coro) |
677 | coro_rss (pTHX_ struct coro *coro) |
550 | { |
678 | { |
551 | size_t rss = sizeof (coro); |
679 | size_t rss = sizeof (*coro); |
552 | |
680 | |
553 | if (coro->mainstack) |
681 | if (coro->mainstack) |
554 | { |
682 | { |
|
|
683 | perl_slots tmp_slot; |
|
|
684 | perl_slots *slot; |
|
|
685 | |
555 | if (coro->flags & CF_RUNNING) |
686 | if (coro->flags & CF_RUNNING) |
556 | { |
687 | { |
|
|
688 | slot = &tmp_slot; |
|
|
689 | |
557 | #define VAR(name,type)coro->name = PL_ ## name; |
690 | #define VAR(name,type) slot->name = PL_ ## name; |
558 | # include "state.h" |
691 | # include "state.h" |
559 | #undef VAR |
692 | #undef VAR |
560 | } |
693 | } |
|
|
694 | else |
|
|
695 | slot = coro->slot; |
561 | |
696 | |
|
|
697 | if (slot) |
|
|
698 | { |
562 | rss += sizeof (coro->curstackinfo); |
699 | rss += sizeof (slot->curstackinfo); |
563 | rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstackinfo->si_stack)) * sizeof (SV *); |
|
|
564 | rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT); |
700 | rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT); |
565 | rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *); |
701 | rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *); |
566 | rss += coro->tmps_max * sizeof (SV *); |
702 | rss += slot->tmps_max * sizeof (SV *); |
567 | rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32); |
703 | rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32); |
568 | rss += coro->scopestack_max * sizeof (I32); |
704 | rss += slot->scopestack_max * sizeof (I32); |
569 | rss += coro->savestack_max * sizeof (ANY); |
705 | rss += slot->savestack_max * sizeof (ANY); |
570 | |
706 | |
571 | #if !PERL_VERSION_ATLEAST (5,9,0) |
707 | #if !PERL_VERSION_ATLEAST (5,10,0) |
572 | rss += coro->retstack_max * sizeof (OP *); |
708 | rss += slot->retstack_max * sizeof (OP *); |
573 | #endif |
709 | #endif |
|
|
710 | } |
574 | } |
711 | } |
575 | |
712 | |
576 | return rss; |
713 | return rss; |
577 | } |
714 | } |
578 | |
715 | |
|
|
716 | /** set stacklevel support **************************************************/ |
|
|
717 | |
|
|
718 | /* we sometimes need to create the effect of pp_set_stacklevel calling us */ |
|
|
719 | #define SSL_HEAD (void)0 |
|
|
720 | /* we somtimes need to create the effect of leaving via pp_set_stacklevel */ |
|
|
721 | #define SSL_TAIL set_stacklevel_tail (aTHX) |
|
|
722 | |
|
|
723 | INLINE void |
|
|
724 | set_stacklevel_tail (pTHX) |
|
|
725 | { |
|
|
726 | dSP; |
|
|
727 | int gimme = GIMME_V; |
|
|
728 | |
|
|
729 | if (gimme == G_SCALAR) |
|
|
730 | XPUSHs (&PL_sv_undef); |
|
|
731 | |
|
|
732 | PUTBACK; |
|
|
733 | } |
|
|
734 | |
579 | /** coroutine stack handling ************************************************/ |
735 | /** coroutine stack handling ************************************************/ |
580 | |
736 | |
|
|
737 | static int (*orig_sigelem_get) (pTHX_ SV *sv, MAGIC *mg); |
|
|
738 | static int (*orig_sigelem_set) (pTHX_ SV *sv, MAGIC *mg); |
|
|
739 | static int (*orig_sigelem_clr) (pTHX_ SV *sv, MAGIC *mg); |
|
|
740 | |
|
|
741 | /* apparently < 5.8.8 */ |
|
|
742 | #ifndef MgPV_nolen_const |
|
|
743 | #define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \ |
|
|
744 | SvPV_nolen((SV*)((mg)->mg_ptr)) : \ |
|
|
745 | (const char*)(mg)->mg_ptr) |
|
|
746 | #endif |
|
|
747 | |
|
|
748 | /* |
|
|
749 | * This overrides the default magic get method of %SIG elements. |
|
|
750 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
|
|
751 | * and instead of tryign to save and restore the hash elements, we just provide |
|
|
752 | * readback here. |
|
|
753 | * We only do this when the hook is != 0, as they are often set to 0 temporarily, |
|
|
754 | * not expecting this to actually change the hook. This is a potential problem |
|
|
755 | * when a schedule happens then, but we ignore this. |
|
|
756 | */ |
|
|
757 | static int |
|
|
758 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
|
|
759 | { |
|
|
760 | const char *s = MgPV_nolen_const (mg); |
|
|
761 | |
|
|
762 | if (*s == '_') |
|
|
763 | { |
|
|
764 | SV **svp = 0; |
|
|
765 | |
|
|
766 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
|
|
767 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
|
|
768 | |
|
|
769 | if (svp) |
|
|
770 | { |
|
|
771 | sv_setsv (sv, *svp ? *svp : &PL_sv_undef); |
|
|
772 | return 0; |
|
|
773 | } |
|
|
774 | } |
|
|
775 | |
|
|
776 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
|
|
777 | } |
|
|
778 | |
|
|
779 | static int |
|
|
780 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
|
|
781 | { |
|
|
782 | const char *s = MgPV_nolen_const (mg); |
|
|
783 | |
|
|
784 | if (*s == '_') |
|
|
785 | { |
|
|
786 | SV **svp = 0; |
|
|
787 | |
|
|
788 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
|
|
789 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
|
|
790 | |
|
|
791 | if (svp) |
|
|
792 | { |
|
|
793 | SV *old = *svp; |
|
|
794 | *svp = 0; |
|
|
795 | SvREFCNT_dec (old); |
|
|
796 | return 0; |
|
|
797 | } |
|
|
798 | } |
|
|
799 | |
|
|
800 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
|
|
801 | } |
|
|
802 | |
|
|
803 | static int |
|
|
804 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
|
|
805 | { |
|
|
806 | const char *s = MgPV_nolen_const (mg); |
|
|
807 | |
|
|
808 | if (*s == '_') |
|
|
809 | { |
|
|
810 | SV **svp = 0; |
|
|
811 | |
|
|
812 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
|
|
813 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
|
|
814 | |
|
|
815 | if (svp) |
|
|
816 | { |
|
|
817 | SV *old = *svp; |
|
|
818 | *svp = newSVsv (sv); |
|
|
819 | SvREFCNT_dec (old); |
|
|
820 | return 0; |
|
|
821 | } |
|
|
822 | } |
|
|
823 | |
|
|
824 | return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0; |
|
|
825 | } |
|
|
826 | |
581 | static void |
827 | static void |
582 | setup_coro (pTHX_ struct coro *coro) |
828 | coro_setup (pTHX_ struct coro *coro) |
583 | { |
829 | { |
584 | /* |
830 | /* |
585 | * emulate part of the perl startup here. |
831 | * emulate part of the perl startup here. |
586 | */ |
832 | */ |
587 | coro_init_stacks (aTHX); |
833 | coro_init_stacks (aTHX); |
588 | |
834 | |
|
|
835 | PL_runops = RUNOPS_DEFAULT; |
589 | PL_curcop = &PL_compiling; |
836 | PL_curcop = &PL_compiling; |
590 | PL_in_eval = EVAL_NULL; |
837 | PL_in_eval = EVAL_NULL; |
591 | PL_comppad = 0; |
838 | PL_comppad = 0; |
592 | PL_curpm = 0; |
839 | PL_curpm = 0; |
|
|
840 | PL_curpad = 0; |
593 | PL_localizing = 0; |
841 | PL_localizing = 0; |
594 | PL_dirty = 0; |
842 | PL_dirty = 0; |
595 | PL_restartop = 0; |
843 | PL_restartop = 0; |
|
|
844 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
845 | PL_parser = 0; |
|
|
846 | #endif |
|
|
847 | |
|
|
848 | /* recreate the die/warn hooks */ |
|
|
849 | PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); |
|
|
850 | PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook); |
|
|
851 | |
|
|
852 | GvSV (PL_defgv) = newSV (0); |
|
|
853 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
|
|
854 | GvSV (PL_errgv) = newSV (0); |
|
|
855 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
|
|
856 | PL_rs = newSVsv (GvSV (irsgv)); |
|
|
857 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
596 | |
858 | |
597 | { |
859 | { |
598 | dSP; |
860 | dSP; |
599 | LOGOP myop; |
861 | UNOP myop; |
600 | |
862 | |
601 | SvREFCNT_dec (GvAV (PL_defgv)); |
|
|
602 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
|
|
603 | |
|
|
604 | Zero (&myop, 1, LOGOP); |
863 | Zero (&myop, 1, UNOP); |
605 | myop.op_next = Nullop; |
864 | myop.op_next = Nullop; |
606 | myop.op_flags = OPf_WANT_VOID; |
865 | myop.op_flags = OPf_WANT_VOID; |
607 | |
866 | |
608 | PUSHMARK (SP); |
867 | PUSHMARK (SP); |
609 | XPUSHs (av_shift (GvAV (PL_defgv))); |
868 | XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv)))); |
610 | PUTBACK; |
869 | PUTBACK; |
611 | PL_op = (OP *)&myop; |
870 | PL_op = (OP *)&myop; |
612 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
871 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
613 | SPAGAIN; |
872 | SPAGAIN; |
614 | } |
873 | } |
615 | |
874 | |
616 | ENTER; /* necessary e.g. for dounwind */ |
875 | /* this newly created coroutine might be run on an existing cctx which most |
|
|
876 | * likely was suspended in set_stacklevel, called from pp_set_stacklevel, |
|
|
877 | * so we have to emulate entering pp_set_stacklevel here. |
|
|
878 | */ |
|
|
879 | SSL_HEAD; |
617 | } |
880 | } |
618 | |
881 | |
619 | static void |
882 | static void |
|
|
883 | coro_destruct (pTHX_ struct coro *coro) |
|
|
884 | { |
|
|
885 | if (!IN_DESTRUCT) |
|
|
886 | { |
|
|
887 | /* restore all saved variables and stuff */ |
|
|
888 | LEAVE_SCOPE (0); |
|
|
889 | assert (PL_tmps_floor == -1); |
|
|
890 | |
|
|
891 | /* free all temporaries */ |
|
|
892 | FREETMPS; |
|
|
893 | assert (PL_tmps_ix == -1); |
|
|
894 | |
|
|
895 | /* unwind all extra stacks */ |
|
|
896 | POPSTACK_TO (PL_mainstack); |
|
|
897 | |
|
|
898 | /* unwind main stack */ |
|
|
899 | dounwind (-1); |
|
|
900 | } |
|
|
901 | |
|
|
902 | SvREFCNT_dec (GvSV (PL_defgv)); |
|
|
903 | SvREFCNT_dec (GvAV (PL_defgv)); |
|
|
904 | SvREFCNT_dec (GvSV (PL_errgv)); |
|
|
905 | SvREFCNT_dec (PL_defoutgv); |
|
|
906 | SvREFCNT_dec (PL_rs); |
|
|
907 | SvREFCNT_dec (GvSV (irsgv)); |
|
|
908 | |
|
|
909 | SvREFCNT_dec (PL_diehook); |
|
|
910 | SvREFCNT_dec (PL_warnhook); |
|
|
911 | |
|
|
912 | SvREFCNT_dec (coro->saved_deffh); |
|
|
913 | SvREFCNT_dec (coro->throw); |
|
|
914 | |
|
|
915 | coro_destruct_stacks (aTHX); |
|
|
916 | } |
|
|
917 | |
|
|
918 | INLINE void |
620 | free_coro_mortal (pTHX) |
919 | free_coro_mortal (pTHX) |
621 | { |
920 | { |
622 | if (coro_mortal) |
921 | if (expect_true (coro_mortal)) |
623 | { |
922 | { |
624 | SvREFCNT_dec (coro_mortal); |
923 | SvREFCNT_dec (coro_mortal); |
625 | coro_mortal = 0; |
924 | coro_mortal = 0; |
626 | } |
925 | } |
|
|
926 | } |
|
|
927 | |
|
|
928 | static int |
|
|
929 | runops_trace (pTHX) |
|
|
930 | { |
|
|
931 | COP *oldcop = 0; |
|
|
932 | int oldcxix = -2; |
|
|
933 | struct coro *coro = SvSTATE (coro_current); /* trace cctx is tied to specific coro */ |
|
|
934 | coro_cctx *cctx = coro->cctx; |
|
|
935 | |
|
|
936 | while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX))) |
|
|
937 | { |
|
|
938 | PERL_ASYNC_CHECK (); |
|
|
939 | |
|
|
940 | if (cctx->flags & CC_TRACE_ALL) |
|
|
941 | { |
|
|
942 | if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB) |
|
|
943 | { |
|
|
944 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
|
|
945 | SV **bot, **top; |
|
|
946 | AV *av = newAV (); /* return values */ |
|
|
947 | SV **cb; |
|
|
948 | dSP; |
|
|
949 | |
|
|
950 | GV *gv = CvGV (cx->blk_sub.cv); |
|
|
951 | SV *fullname = sv_2mortal (newSV (0)); |
|
|
952 | if (isGV (gv)) |
|
|
953 | gv_efullname3 (fullname, gv, 0); |
|
|
954 | |
|
|
955 | bot = PL_stack_base + cx->blk_oldsp + 1; |
|
|
956 | top = cx->blk_gimme == G_ARRAY ? SP + 1 |
|
|
957 | : cx->blk_gimme == G_SCALAR ? bot + 1 |
|
|
958 | : bot; |
|
|
959 | |
|
|
960 | av_extend (av, top - bot); |
|
|
961 | while (bot < top) |
|
|
962 | av_push (av, SvREFCNT_inc_NN (*bot++)); |
|
|
963 | |
|
|
964 | PL_runops = RUNOPS_DEFAULT; |
|
|
965 | ENTER; |
|
|
966 | SAVETMPS; |
|
|
967 | EXTEND (SP, 3); |
|
|
968 | PUSHMARK (SP); |
|
|
969 | PUSHs (&PL_sv_no); |
|
|
970 | PUSHs (fullname); |
|
|
971 | PUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
972 | PUTBACK; |
|
|
973 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
|
|
974 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
|
|
975 | SPAGAIN; |
|
|
976 | FREETMPS; |
|
|
977 | LEAVE; |
|
|
978 | PL_runops = runops_trace; |
|
|
979 | } |
|
|
980 | |
|
|
981 | if (oldcop != PL_curcop) |
|
|
982 | { |
|
|
983 | oldcop = PL_curcop; |
|
|
984 | |
|
|
985 | if (PL_curcop != &PL_compiling) |
|
|
986 | { |
|
|
987 | SV **cb; |
|
|
988 | |
|
|
989 | if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB) |
|
|
990 | { |
|
|
991 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
|
|
992 | |
|
|
993 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
|
|
994 | { |
|
|
995 | runops_proc_t old_runops = PL_runops; |
|
|
996 | dSP; |
|
|
997 | GV *gv = CvGV (cx->blk_sub.cv); |
|
|
998 | SV *fullname = sv_2mortal (newSV (0)); |
|
|
999 | |
|
|
1000 | if (isGV (gv)) |
|
|
1001 | gv_efullname3 (fullname, gv, 0); |
|
|
1002 | |
|
|
1003 | PL_runops = RUNOPS_DEFAULT; |
|
|
1004 | ENTER; |
|
|
1005 | SAVETMPS; |
|
|
1006 | EXTEND (SP, 3); |
|
|
1007 | PUSHMARK (SP); |
|
|
1008 | PUSHs (&PL_sv_yes); |
|
|
1009 | PUSHs (fullname); |
|
|
1010 | PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef); |
|
|
1011 | PUTBACK; |
|
|
1012 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
|
|
1013 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
|
|
1014 | SPAGAIN; |
|
|
1015 | FREETMPS; |
|
|
1016 | LEAVE; |
|
|
1017 | PL_runops = runops_trace; |
|
|
1018 | } |
|
|
1019 | |
|
|
1020 | oldcxix = cxstack_ix; |
|
|
1021 | } |
|
|
1022 | |
|
|
1023 | if (cctx->flags & CC_TRACE_LINE) |
|
|
1024 | { |
|
|
1025 | dSP; |
|
|
1026 | |
|
|
1027 | PL_runops = RUNOPS_DEFAULT; |
|
|
1028 | ENTER; |
|
|
1029 | SAVETMPS; |
|
|
1030 | EXTEND (SP, 3); |
|
|
1031 | PL_runops = RUNOPS_DEFAULT; |
|
|
1032 | PUSHMARK (SP); |
|
|
1033 | PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0))); |
|
|
1034 | PUSHs (sv_2mortal (newSViv (CopLINE (oldcop)))); |
|
|
1035 | PUTBACK; |
|
|
1036 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_line_cb", sizeof ("_trace_line_cb") - 1, 0); |
|
|
1037 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
|
|
1038 | SPAGAIN; |
|
|
1039 | FREETMPS; |
|
|
1040 | LEAVE; |
|
|
1041 | PL_runops = runops_trace; |
|
|
1042 | } |
|
|
1043 | } |
|
|
1044 | } |
|
|
1045 | } |
|
|
1046 | } |
|
|
1047 | |
|
|
1048 | TAINT_NOT; |
|
|
1049 | return 0; |
|
|
1050 | } |
|
|
1051 | |
|
|
1052 | static void |
|
|
1053 | prepare_set_stacklevel (struct transfer_args *ta, struct coro_cctx *cctx) |
|
|
1054 | { |
|
|
1055 | ta->prev = (struct coro *)cctx; |
|
|
1056 | ta->next = 0; |
627 | } |
1057 | } |
628 | |
1058 | |
629 | /* inject a fake call to Coro::State::_cctx_init into the execution */ |
1059 | /* inject a fake call to Coro::State::_cctx_init into the execution */ |
630 | /* _cctx_init should be careful, as it could be called at almost any time */ |
1060 | /* _cctx_init should be careful, as it could be called at almost any time */ |
631 | /* during execution of a perl program */ |
1061 | /* during execution of a perl program */ |
|
|
1062 | /* also initialises PL_top_env */ |
632 | static void NOINLINE |
1063 | static void NOINLINE |
633 | prepare_cctx (pTHX_ coro_cctx *cctx) |
1064 | cctx_prepare (pTHX_ coro_cctx *cctx) |
634 | { |
1065 | { |
635 | dSP; |
1066 | dSP; |
636 | LOGOP myop; |
1067 | UNOP myop; |
637 | |
1068 | |
|
|
1069 | PL_top_env = &PL_start_env; |
|
|
1070 | |
|
|
1071 | if (cctx->flags & CC_TRACE) |
|
|
1072 | PL_runops = runops_trace; |
|
|
1073 | |
638 | Zero (&myop, 1, LOGOP); |
1074 | Zero (&myop, 1, UNOP); |
639 | myop.op_next = PL_op; |
1075 | myop.op_next = PL_op; |
640 | myop.op_flags = OPf_WANT_VOID | OPf_STACKED; |
1076 | myop.op_flags = OPf_WANT_VOID | OPf_STACKED; |
641 | |
1077 | |
642 | PUSHMARK (SP); |
1078 | PUSHMARK (SP); |
643 | EXTEND (SP, 2); |
1079 | EXTEND (SP, 2); |
644 | PUSHs (sv_2mortal (newSViv (PTR2IV (cctx)))); |
1080 | PUSHs (sv_2mortal (newSViv ((IV)cctx))); |
645 | PUSHs ((SV *)get_cv ("Coro::State::_cctx_init", FALSE)); |
1081 | PUSHs ((SV *)get_cv ("Coro::State::_cctx_init", FALSE)); |
646 | PUTBACK; |
1082 | PUTBACK; |
647 | PL_op = (OP *)&myop; |
1083 | PL_op = (OP *)&myop; |
648 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
1084 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
649 | SPAGAIN; |
1085 | SPAGAIN; |
650 | } |
1086 | } |
651 | |
1087 | |
|
|
1088 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
|
|
1089 | INLINE void |
|
|
1090 | transfer_tail (pTHX) |
|
|
1091 | { |
|
|
1092 | struct coro *next = (struct coro *)transfer_next; |
|
|
1093 | assert (!(transfer_next = 0)); /* just used for the side effect when asserts are enabled */ |
|
|
1094 | assert (("FATAL: next coroutine was zero in transfer_tail (please report)", next)); |
|
|
1095 | |
|
|
1096 | free_coro_mortal (aTHX); |
|
|
1097 | UNLOCK; |
|
|
1098 | |
|
|
1099 | if (expect_false (next->throw)) |
|
|
1100 | { |
|
|
1101 | SV *exception = sv_2mortal (next->throw); |
|
|
1102 | |
|
|
1103 | next->throw = 0; |
|
|
1104 | sv_setsv (ERRSV, exception); |
|
|
1105 | croak (0); |
|
|
1106 | } |
|
|
1107 | } |
|
|
1108 | |
652 | /* |
1109 | /* |
653 | * this is a _very_ stripped down perl interpreter ;) |
1110 | * this is a _very_ stripped down perl interpreter ;) |
654 | */ |
1111 | */ |
655 | static void |
1112 | static void |
656 | coro_run (void *arg) |
1113 | cctx_run (void *arg) |
657 | { |
1114 | { |
|
|
1115 | #ifdef USE_ITHREADS |
|
|
1116 | # if CORO_PTHREAD |
|
|
1117 | PERL_SET_CONTEXT (coro_thx); |
|
|
1118 | # endif |
|
|
1119 | #endif |
|
|
1120 | { |
658 | dTHX; |
1121 | dTHX; |
659 | |
1122 | |
660 | /* coro_run is the alternative tail of transfer(), so unlock here. */ |
1123 | /* we are the alternative tail to pp_set_stacklevel */ |
661 | UNLOCK; |
1124 | /* so do the same things here */ |
|
|
1125 | SSL_TAIL; |
662 | |
1126 | |
663 | PL_top_env = &PL_start_env; |
1127 | /* we now skip the op that did lead to transfer() */ |
|
|
1128 | PL_op = PL_op->op_next; |
664 | |
1129 | |
665 | /* inject a fake subroutine call to cctx_init */ |
1130 | /* inject a fake subroutine call to cctx_init */ |
666 | prepare_cctx (aTHX_ (coro_cctx *)arg); |
1131 | cctx_prepare (aTHX_ (coro_cctx *)arg); |
667 | |
1132 | |
|
|
1133 | /* cctx_run is the alternative tail of transfer() */ |
|
|
1134 | transfer_tail (aTHX); |
|
|
1135 | |
668 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1136 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
669 | PL_restartop = PL_op; |
1137 | PL_restartop = PL_op; |
670 | perl_run (PL_curinterp); |
1138 | perl_run (PL_curinterp); |
671 | |
1139 | |
672 | /* |
1140 | /* |
673 | * If perl-run returns we assume exit() was being called or the coro |
1141 | * If perl-run returns we assume exit() was being called or the coro |
674 | * fell off the end, which seems to be the only valid (non-bug) |
1142 | * fell off the end, which seems to be the only valid (non-bug) |
675 | * reason for perl_run to return. We try to exit by jumping to the |
1143 | * reason for perl_run to return. We try to exit by jumping to the |
676 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
1144 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
677 | * coroutine as Coro has no such concept |
1145 | * coroutine as Coro has no such concept |
678 | */ |
1146 | */ |
679 | PL_top_env = main_top_env; |
1147 | PL_top_env = main_top_env; |
680 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
1148 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
|
|
1149 | } |
681 | } |
1150 | } |
682 | |
1151 | |
683 | static coro_cctx * |
1152 | static coro_cctx * |
684 | cctx_new () |
1153 | cctx_new () |
685 | { |
1154 | { |
686 | coro_cctx *cctx; |
1155 | coro_cctx *cctx; |
|
|
1156 | |
|
|
1157 | ++cctx_count; |
|
|
1158 | New (0, cctx, 1, coro_cctx); |
|
|
1159 | |
|
|
1160 | cctx->gen = cctx_gen; |
|
|
1161 | cctx->flags = 0; |
|
|
1162 | cctx->idle_sp = 0; /* can be accessed by transfer between cctx_run and set_stacklevel, on throw */ |
|
|
1163 | |
|
|
1164 | return cctx; |
|
|
1165 | } |
|
|
1166 | |
|
|
1167 | /* create a new cctx only suitable as source */ |
|
|
1168 | static coro_cctx * |
|
|
1169 | cctx_new_empty () |
|
|
1170 | { |
|
|
1171 | coro_cctx *cctx = cctx_new (); |
|
|
1172 | |
|
|
1173 | cctx->sptr = 0; |
|
|
1174 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
|
|
1175 | |
|
|
1176 | return cctx; |
|
|
1177 | } |
|
|
1178 | |
|
|
1179 | /* create a new cctx suitable as destination/running a perl interpreter */ |
|
|
1180 | static coro_cctx * |
|
|
1181 | cctx_new_run () |
|
|
1182 | { |
|
|
1183 | coro_cctx *cctx = cctx_new (); |
687 | void *stack_start; |
1184 | void *stack_start; |
688 | size_t stack_size; |
1185 | size_t stack_size; |
689 | |
1186 | |
690 | ++cctx_count; |
|
|
691 | |
|
|
692 | Newz (0, cctx, 1, coro_cctx); |
|
|
693 | |
|
|
694 | #if HAVE_MMAP |
1187 | #if HAVE_MMAP |
695 | |
|
|
696 | cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
1188 | cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
697 | /* mmap supposedly does allocate-on-write for us */ |
1189 | /* mmap supposedly does allocate-on-write for us */ |
698 | cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
1190 | cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
699 | |
1191 | |
700 | if (cctx->sptr != (void *)-1) |
1192 | if (cctx->sptr != (void *)-1) |
701 | { |
1193 | { |
702 | # if CORO_STACKGUARD |
1194 | #if CORO_STACKGUARD |
703 | mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); |
1195 | mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); |
704 | # endif |
1196 | #endif |
705 | stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr; |
1197 | stack_start = (char *)cctx->sptr + CORO_STACKGUARD * PAGESIZE; |
706 | stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE; |
1198 | stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE; |
707 | cctx->mapped = 1; |
1199 | cctx->flags |= CC_MAPPED; |
708 | } |
1200 | } |
709 | else |
1201 | else |
710 | #endif |
1202 | #endif |
711 | { |
1203 | { |
712 | cctx->ssize = coro_stacksize * (long)sizeof (long); |
1204 | cctx->ssize = cctx_stacksize * (long)sizeof (long); |
713 | New (0, cctx->sptr, coro_stacksize, long); |
1205 | New (0, cctx->sptr, cctx_stacksize, long); |
714 | |
1206 | |
715 | if (!cctx->sptr) |
1207 | if (!cctx->sptr) |
716 | { |
1208 | { |
717 | perror ("FATAL: unable to allocate stack for coroutine"); |
1209 | perror ("FATAL: unable to allocate stack for coroutine, exiting."); |
718 | _exit (EXIT_FAILURE); |
1210 | _exit (EXIT_FAILURE); |
719 | } |
1211 | } |
720 | |
1212 | |
721 | stack_start = cctx->sptr; |
1213 | stack_start = cctx->sptr; |
722 | stack_size = cctx->ssize; |
1214 | stack_size = cctx->ssize; |
723 | } |
1215 | } |
724 | |
1216 | |
725 | REGISTER_STACK (cctx, (char *)stack_start, (char *)stack_start + stack_size); |
1217 | #if CORO_USE_VALGRIND |
|
|
1218 | cctx->valgrind_id = VALGRIND_STACK_REGISTER ((char *)stack_start, (char *)stack_start + stack_size); |
|
|
1219 | #endif |
|
|
1220 | |
726 | coro_create (&cctx->cctx, coro_run, (void *)cctx, stack_start, stack_size); |
1221 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size); |
727 | |
1222 | |
728 | return cctx; |
1223 | return cctx; |
729 | } |
1224 | } |
730 | |
1225 | |
731 | static void |
1226 | static void |
… | |
… | |
733 | { |
1228 | { |
734 | if (!cctx) |
1229 | if (!cctx) |
735 | return; |
1230 | return; |
736 | |
1231 | |
737 | --cctx_count; |
1232 | --cctx_count; |
|
|
1233 | coro_destroy (&cctx->cctx); |
738 | |
1234 | |
|
|
1235 | /* coro_transfer creates new, empty cctx's */ |
|
|
1236 | if (cctx->sptr) |
|
|
1237 | { |
739 | #if CORO_USE_VALGRIND |
1238 | #if CORO_USE_VALGRIND |
740 | VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); |
1239 | VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); |
741 | #endif |
1240 | #endif |
742 | |
1241 | |
743 | #if HAVE_MMAP |
1242 | #if HAVE_MMAP |
744 | if (cctx->mapped) |
1243 | if (cctx->flags & CC_MAPPED) |
745 | munmap (cctx->sptr, cctx->ssize); |
1244 | munmap (cctx->sptr, cctx->ssize); |
746 | else |
1245 | else |
747 | #endif |
1246 | #endif |
748 | Safefree (cctx->sptr); |
1247 | Safefree (cctx->sptr); |
|
|
1248 | } |
749 | |
1249 | |
750 | Safefree (cctx); |
1250 | Safefree (cctx); |
751 | } |
1251 | } |
|
|
1252 | |
|
|
1253 | /* wether this cctx should be destructed */ |
|
|
1254 | #define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) |
752 | |
1255 | |
753 | static coro_cctx * |
1256 | static coro_cctx * |
754 | cctx_get (pTHX) |
1257 | cctx_get (pTHX) |
755 | { |
1258 | { |
756 | while (cctx_first) |
1259 | while (expect_true (cctx_first)) |
757 | { |
1260 | { |
758 | coro_cctx *cctx = cctx_first; |
1261 | coro_cctx *cctx = cctx_first; |
759 | cctx_first = cctx->next; |
1262 | cctx_first = cctx->next; |
760 | --cctx_idle; |
1263 | --cctx_idle; |
761 | |
1264 | |
762 | if (cctx->ssize >= coro_stacksize) |
1265 | if (expect_true (!CCTX_EXPIRED (cctx))) |
763 | return cctx; |
1266 | return cctx; |
764 | |
1267 | |
765 | cctx_destroy (cctx); |
1268 | cctx_destroy (cctx); |
766 | } |
1269 | } |
767 | |
1270 | |
768 | PL_op = PL_op->op_next; |
|
|
769 | return cctx_new (); |
1271 | return cctx_new_run (); |
770 | } |
1272 | } |
771 | |
1273 | |
772 | static void |
1274 | static void |
773 | cctx_put (coro_cctx *cctx) |
1275 | cctx_put (coro_cctx *cctx) |
774 | { |
1276 | { |
|
|
1277 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr)); |
|
|
1278 | |
775 | /* free another cctx if overlimit */ |
1279 | /* free another cctx if overlimit */ |
776 | if (cctx_idle >= MAX_IDLE_CCTX) |
1280 | if (expect_false (cctx_idle >= cctx_max_idle)) |
777 | { |
1281 | { |
778 | coro_cctx *first = cctx_first; |
1282 | coro_cctx *first = cctx_first; |
779 | cctx_first = first->next; |
1283 | cctx_first = first->next; |
780 | --cctx_idle; |
1284 | --cctx_idle; |
781 | |
1285 | |
782 | assert (!first->inuse); |
|
|
783 | cctx_destroy (first); |
1286 | cctx_destroy (first); |
784 | } |
1287 | } |
785 | |
1288 | |
786 | ++cctx_idle; |
1289 | ++cctx_idle; |
787 | cctx->next = cctx_first; |
1290 | cctx->next = cctx_first; |
788 | cctx_first = cctx; |
1291 | cctx_first = cctx; |
789 | } |
1292 | } |
790 | |
1293 | |
791 | /** coroutine switching *****************************************************/ |
1294 | /** coroutine switching *****************************************************/ |
792 | |
1295 | |
793 | /* never call directly, always through the coro_state_transfer global variable */ |
1296 | static void |
|
|
1297 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
|
|
1298 | { |
|
|
1299 | if (expect_true (prev != next)) |
|
|
1300 | { |
|
|
1301 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
|
|
1302 | croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states"); |
|
|
1303 | |
|
|
1304 | if (expect_false (next->flags & CF_RUNNING)) |
|
|
1305 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states"); |
|
|
1306 | |
|
|
1307 | if (expect_false (next->flags & CF_DESTROYED)) |
|
|
1308 | croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states"); |
|
|
1309 | |
|
|
1310 | #if !PERL_VERSION_ATLEAST (5,10,0) |
|
|
1311 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
|
|
1312 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version"); |
|
|
1313 | #endif |
|
|
1314 | } |
|
|
1315 | } |
|
|
1316 | |
|
|
1317 | /* always use the TRANSFER macro */ |
794 | static void NOINLINE |
1318 | static void NOINLINE |
795 | transfer (pTHX_ struct coro *prev, struct coro *next) |
1319 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
796 | { |
1320 | { |
797 | dSTACKLEVEL; |
1321 | dSTACKLEVEL; |
798 | |
1322 | |
799 | /* sometimes transfer is only called to set idle_sp */ |
1323 | /* sometimes transfer is only called to set idle_sp */ |
800 | if (!next) |
1324 | if (expect_false (!next)) |
801 | { |
1325 | { |
802 | ((coro_cctx *)prev)->idle_sp = STACKLEVEL; |
1326 | ((coro_cctx *)prev)->idle_sp = STACKLEVEL; |
803 | assert (((coro_cctx *)prev)->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1327 | assert (((coro_cctx *)prev)->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
804 | } |
1328 | } |
805 | else if (prev != next) |
1329 | else if (expect_true (prev != next)) |
806 | { |
1330 | { |
807 | coro_cctx *prev__cctx; |
1331 | coro_cctx *prev__cctx; |
808 | |
1332 | |
809 | if (prev->flags & CF_NEW) |
1333 | if (expect_false (prev->flags & CF_NEW)) |
810 | { |
1334 | { |
811 | /* create a new empty context */ |
1335 | /* create a new empty/source context */ |
812 | Newz (0, prev->cctx, 1, coro_cctx); |
1336 | prev->cctx = cctx_new_empty (); |
813 | prev->cctx->inuse = 1; |
|
|
814 | prev->flags &= ~CF_NEW; |
1337 | prev->flags &= ~CF_NEW; |
815 | prev->flags |= CF_RUNNING; |
1338 | prev->flags |= CF_RUNNING; |
816 | } |
1339 | } |
817 | |
1340 | |
818 | /*TODO: must not croak here */ |
|
|
819 | if (!prev->flags & CF_RUNNING) |
|
|
820 | croak ("Coro::State::transfer called with non-running prev Coro::State, but can only transfer from running states"); |
|
|
821 | |
|
|
822 | if (next->flags & CF_RUNNING) |
|
|
823 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states"); |
|
|
824 | |
|
|
825 | if (next->flags & CF_DESTROYED) |
|
|
826 | croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states"); |
|
|
827 | |
|
|
828 | prev->flags &= ~CF_RUNNING; |
1341 | prev->flags &= ~CF_RUNNING; |
829 | next->flags |= CF_RUNNING; |
1342 | next->flags |= CF_RUNNING; |
830 | |
1343 | |
831 | LOCK; |
1344 | LOCK; |
832 | |
1345 | |
|
|
1346 | /* first get rid of the old state */ |
|
|
1347 | save_perl (aTHX_ prev); |
|
|
1348 | |
833 | if (next->flags & CF_NEW) |
1349 | if (expect_false (next->flags & CF_NEW)) |
834 | { |
1350 | { |
835 | /* need to start coroutine */ |
1351 | /* need to start coroutine */ |
836 | next->flags &= ~CF_NEW; |
1352 | next->flags &= ~CF_NEW; |
837 | /* first get rid of the old state */ |
|
|
838 | save_perl (aTHX_ prev); |
|
|
839 | /* setup coroutine call */ |
1353 | /* setup coroutine call */ |
840 | setup_coro (aTHX_ next); |
1354 | coro_setup (aTHX_ next); |
841 | /* need a new stack */ |
|
|
842 | assert (!next->cctx); |
|
|
843 | } |
1355 | } |
844 | else |
1356 | else |
845 | { |
|
|
846 | /* coroutine already started */ |
|
|
847 | save_perl (aTHX_ prev); |
|
|
848 | load_perl (aTHX_ next); |
1357 | load_perl (aTHX_ next); |
849 | } |
|
|
850 | |
1358 | |
851 | prev__cctx = prev->cctx; |
1359 | prev__cctx = prev->cctx; |
852 | |
1360 | |
853 | /* possibly "free" the cctx */ |
1361 | /* possibly untie and reuse the cctx */ |
|
|
1362 | if (expect_true ( |
854 | if (prev__cctx->idle_sp == STACKLEVEL) |
1363 | prev__cctx->idle_sp == STACKLEVEL |
|
|
1364 | && !(prev__cctx->flags & CC_TRACE) |
|
|
1365 | && !force_cctx |
|
|
1366 | )) |
855 | { |
1367 | { |
856 | /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */ |
1368 | /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */ |
857 | assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te)); |
1369 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == prev__cctx->idle_te)); |
858 | |
1370 | |
859 | prev->cctx = 0; |
1371 | prev->cctx = 0; |
860 | |
1372 | |
|
|
1373 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */ |
|
|
1374 | /* without this the next cctx_get might destroy the prev__cctx while still in use */ |
|
|
1375 | if (expect_false (CCTX_EXPIRED (prev__cctx))) |
|
|
1376 | if (!next->cctx) |
|
|
1377 | next->cctx = cctx_get (aTHX); |
|
|
1378 | |
861 | cctx_put (prev__cctx); |
1379 | cctx_put (prev__cctx); |
862 | prev__cctx->inuse = 0; |
|
|
863 | } |
1380 | } |
864 | |
1381 | |
|
|
1382 | ++next->usecount; |
|
|
1383 | |
865 | if (!next->cctx) |
1384 | if (expect_true (!next->cctx)) |
866 | { |
|
|
867 | next->cctx = cctx_get (aTHX); |
1385 | next->cctx = cctx_get (aTHX); |
868 | assert (!next->cctx->inuse); |
|
|
869 | next->cctx->inuse = 1; |
|
|
870 | } |
|
|
871 | |
1386 | |
|
|
1387 | assert (("FATAL: transfer_next already nonzero in Coro (please report)", !transfer_next)); |
|
|
1388 | transfer_next = next; |
|
|
1389 | |
872 | if (prev__cctx != next->cctx) |
1390 | if (expect_false (prev__cctx != next->cctx)) |
873 | { |
1391 | { |
874 | prev__cctx->top_env = PL_top_env; |
1392 | prev__cctx->top_env = PL_top_env; |
875 | PL_top_env = next->cctx->top_env; |
1393 | PL_top_env = next->cctx->top_env; |
876 | coro_transfer (&prev__cctx->cctx, &next->cctx->cctx); |
1394 | coro_transfer (&prev__cctx->cctx, &next->cctx->cctx); |
877 | } |
1395 | } |
878 | |
1396 | |
879 | free_coro_mortal (aTHX); |
1397 | transfer_tail (aTHX); |
880 | UNLOCK; |
|
|
881 | } |
1398 | } |
882 | } |
1399 | } |
883 | |
1400 | |
884 | struct transfer_args |
1401 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
885 | { |
|
|
886 | struct coro *prev, *next; |
|
|
887 | }; |
|
|
888 | |
|
|
889 | #define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next) |
1402 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
890 | |
1403 | |
891 | /** high level stuff ********************************************************/ |
1404 | /** high level stuff ********************************************************/ |
892 | |
1405 | |
893 | static int |
1406 | static int |
894 | coro_state_destroy (pTHX_ struct coro *coro) |
1407 | coro_state_destroy (pTHX_ struct coro *coro) |
… | |
… | |
911 | |
1424 | |
912 | if (coro->mainstack && coro->mainstack != main_mainstack) |
1425 | if (coro->mainstack && coro->mainstack != main_mainstack) |
913 | { |
1426 | { |
914 | struct coro temp; |
1427 | struct coro temp; |
915 | |
1428 | |
916 | assert (!(coro->flags & CF_RUNNING)); |
|
|
917 | |
|
|
918 | Zero (&temp, 1, struct coro); |
|
|
919 | temp.save = CORO_SAVE_ALL; |
|
|
920 | |
|
|
921 | if (coro->flags & CF_RUNNING) |
1429 | if (coro->flags & CF_RUNNING) |
922 | croak ("FATAL: tried to destroy currently running coroutine"); |
1430 | croak ("FATAL: tried to destroy currently running coroutine"); |
923 | |
1431 | |
924 | save_perl (aTHX_ &temp); |
1432 | save_perl (aTHX_ &temp); |
925 | load_perl (aTHX_ coro); |
1433 | load_perl (aTHX_ coro); |
926 | |
1434 | |
927 | coro_destroy_stacks (aTHX); |
1435 | coro_destruct (aTHX_ coro); |
928 | |
1436 | |
929 | load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */ |
1437 | load_perl (aTHX_ &temp); |
930 | |
1438 | |
931 | coro->mainstack = 0; |
1439 | coro->slot = 0; |
932 | } |
1440 | } |
933 | |
1441 | |
934 | cctx_destroy (coro->cctx); |
1442 | cctx_destroy (coro->cctx); |
935 | SvREFCNT_dec (coro->args); |
1443 | SvREFCNT_dec (coro->args); |
936 | |
1444 | |
… | |
… | |
977 | #else |
1485 | #else |
978 | # define MGf_DUP 0 |
1486 | # define MGf_DUP 0 |
979 | #endif |
1487 | #endif |
980 | }; |
1488 | }; |
981 | |
1489 | |
982 | static struct coro * |
|
|
983 | SvSTATE_ (pTHX_ SV *coro) |
|
|
984 | { |
|
|
985 | HV *stash; |
|
|
986 | MAGIC *mg; |
|
|
987 | |
|
|
988 | if (SvROK (coro)) |
|
|
989 | coro = SvRV (coro); |
|
|
990 | |
|
|
991 | stash = SvSTASH (coro); |
|
|
992 | if (stash != coro_stash && stash != coro_state_stash) |
|
|
993 | { |
|
|
994 | /* very slow, but rare, check */ |
|
|
995 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
|
|
996 | croak ("Coro::State object required"); |
|
|
997 | } |
|
|
998 | |
|
|
999 | mg = CORO_MAGIC (coro); |
|
|
1000 | return (struct coro *)mg->mg_ptr; |
|
|
1001 | } |
|
|
1002 | |
|
|
1003 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
|
|
1004 | |
|
|
1005 | static void |
1490 | static void |
1006 | prepare_transfer (pTHX_ struct transfer_args *ta, SV *prev_sv, SV *next_sv) |
1491 | prepare_transfer (pTHX_ struct transfer_args *ta, SV *prev_sv, SV *next_sv) |
1007 | { |
1492 | { |
1008 | ta->prev = SvSTATE (prev_sv); |
1493 | ta->prev = SvSTATE (prev_sv); |
1009 | ta->next = SvSTATE (next_sv); |
1494 | ta->next = SvSTATE (next_sv); |
|
|
1495 | TRANSFER_CHECK (*ta); |
1010 | } |
1496 | } |
1011 | |
1497 | |
1012 | static void |
1498 | static void |
1013 | api_transfer (SV *prev_sv, SV *next_sv) |
1499 | api_transfer (SV *prev_sv, SV *next_sv) |
1014 | { |
1500 | { |
1015 | dTHX; |
1501 | dTHX; |
1016 | struct transfer_args ta; |
1502 | struct transfer_args ta; |
1017 | |
1503 | |
1018 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1504 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1019 | TRANSFER (ta); |
1505 | TRANSFER (ta, 1); |
1020 | } |
|
|
1021 | |
|
|
1022 | static int |
|
|
1023 | api_save (SV *coro_sv, int new_save) |
|
|
1024 | { |
|
|
1025 | dTHX; |
|
|
1026 | struct coro *coro = SvSTATE (coro_sv); |
|
|
1027 | int old_save = coro->save; |
|
|
1028 | |
|
|
1029 | if (new_save >= 0) |
|
|
1030 | coro->save = new_save; |
|
|
1031 | |
|
|
1032 | return old_save; |
|
|
1033 | } |
1506 | } |
1034 | |
1507 | |
1035 | /** Coro ********************************************************************/ |
1508 | /** Coro ********************************************************************/ |
1036 | |
1509 | |
1037 | static void |
1510 | static void |
… | |
… | |
1039 | { |
1512 | { |
1040 | av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv); |
1513 | av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv); |
1041 | } |
1514 | } |
1042 | |
1515 | |
1043 | static SV * |
1516 | static SV * |
1044 | coro_deq (pTHX_ int min_prio) |
1517 | coro_deq (pTHX) |
1045 | { |
1518 | { |
1046 | int prio = PRIO_MAX - PRIO_MIN; |
1519 | int prio; |
1047 | |
1520 | |
1048 | min_prio -= PRIO_MIN; |
|
|
1049 | if (min_prio < 0) |
|
|
1050 | min_prio = 0; |
|
|
1051 | |
|
|
1052 | for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= min_prio; ) |
1521 | for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; ) |
1053 | if (AvFILLp (coro_ready [prio]) >= 0) |
1522 | if (AvFILLp (coro_ready [prio]) >= 0) |
1054 | return av_shift (coro_ready [prio]); |
1523 | return av_shift (coro_ready [prio]); |
1055 | |
1524 | |
1056 | return 0; |
1525 | return 0; |
1057 | } |
1526 | } |
… | |
… | |
1059 | static int |
1528 | static int |
1060 | api_ready (SV *coro_sv) |
1529 | api_ready (SV *coro_sv) |
1061 | { |
1530 | { |
1062 | dTHX; |
1531 | dTHX; |
1063 | struct coro *coro; |
1532 | struct coro *coro; |
|
|
1533 | SV *sv_hook; |
|
|
1534 | void (*xs_hook)(void); |
1064 | |
1535 | |
1065 | if (SvROK (coro_sv)) |
1536 | if (SvROK (coro_sv)) |
1066 | coro_sv = SvRV (coro_sv); |
1537 | coro_sv = SvRV (coro_sv); |
1067 | |
1538 | |
1068 | coro = SvSTATE (coro_sv); |
1539 | coro = SvSTATE (coro_sv); |
… | |
… | |
1071 | return 0; |
1542 | return 0; |
1072 | |
1543 | |
1073 | coro->flags |= CF_READY; |
1544 | coro->flags |= CF_READY; |
1074 | |
1545 | |
1075 | LOCK; |
1546 | LOCK; |
|
|
1547 | |
|
|
1548 | sv_hook = coro_nready ? 0 : coro_readyhook; |
|
|
1549 | xs_hook = coro_nready ? 0 : coroapi.readyhook; |
|
|
1550 | |
1076 | coro_enq (aTHX_ SvREFCNT_inc (coro_sv)); |
1551 | coro_enq (aTHX_ SvREFCNT_inc_NN (coro_sv)); |
1077 | ++coro_nready; |
1552 | ++coro_nready; |
|
|
1553 | |
1078 | UNLOCK; |
1554 | UNLOCK; |
|
|
1555 | |
|
|
1556 | if (sv_hook) |
|
|
1557 | { |
|
|
1558 | dSP; |
|
|
1559 | |
|
|
1560 | ENTER; |
|
|
1561 | SAVETMPS; |
|
|
1562 | |
|
|
1563 | PUSHMARK (SP); |
|
|
1564 | PUTBACK; |
|
|
1565 | call_sv (sv_hook, G_DISCARD); |
|
|
1566 | SPAGAIN; |
|
|
1567 | |
|
|
1568 | FREETMPS; |
|
|
1569 | LEAVE; |
|
|
1570 | } |
|
|
1571 | |
|
|
1572 | if (xs_hook) |
|
|
1573 | xs_hook (); |
1079 | |
1574 | |
1080 | return 1; |
1575 | return 1; |
1081 | } |
1576 | } |
1082 | |
1577 | |
1083 | static int |
1578 | static int |
1084 | api_is_ready (SV *coro_sv) |
1579 | api_is_ready (SV *coro_sv) |
1085 | { |
1580 | { |
1086 | dTHX; |
1581 | dTHX; |
|
|
1582 | |
1087 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1583 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1088 | } |
1584 | } |
1089 | |
1585 | |
1090 | static void |
1586 | INLINE void |
1091 | prepare_schedule (pTHX_ struct transfer_args *ta) |
1587 | prepare_schedule (pTHX_ struct transfer_args *ta) |
1092 | { |
1588 | { |
1093 | SV *prev_sv, *next_sv; |
1589 | SV *prev_sv, *next_sv; |
1094 | |
1590 | |
1095 | for (;;) |
1591 | for (;;) |
1096 | { |
1592 | { |
1097 | LOCK; |
1593 | LOCK; |
1098 | next_sv = coro_deq (aTHX_ PRIO_MIN); |
1594 | next_sv = coro_deq (aTHX); |
1099 | |
1595 | |
1100 | /* nothing to schedule: call the idle handler */ |
1596 | /* nothing to schedule: call the idle handler */ |
1101 | if (!next_sv) |
1597 | if (expect_false (!next_sv)) |
1102 | { |
1598 | { |
1103 | dSP; |
1599 | dSP; |
1104 | UNLOCK; |
1600 | UNLOCK; |
1105 | |
1601 | |
1106 | ENTER; |
1602 | ENTER; |
1107 | SAVETMPS; |
1603 | SAVETMPS; |
1108 | |
1604 | |
1109 | PUSHMARK (SP); |
1605 | PUSHMARK (SP); |
1110 | PUTBACK; |
1606 | PUTBACK; |
1111 | call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD); |
1607 | call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD); |
|
|
1608 | SPAGAIN; |
1112 | |
1609 | |
1113 | FREETMPS; |
1610 | FREETMPS; |
1114 | LEAVE; |
1611 | LEAVE; |
1115 | continue; |
1612 | continue; |
1116 | } |
1613 | } |
1117 | |
1614 | |
1118 | ta->next = SvSTATE (next_sv); |
1615 | ta->next = SvSTATE (next_sv); |
1119 | |
1616 | |
1120 | /* cannot transfer to destroyed coros, skip and look for next */ |
1617 | /* cannot transfer to destroyed coros, skip and look for next */ |
1121 | if (ta->next->flags & CF_DESTROYED) |
1618 | if (expect_false (ta->next->flags & CF_DESTROYED)) |
1122 | { |
1619 | { |
1123 | UNLOCK; |
1620 | UNLOCK; |
1124 | SvREFCNT_dec (next_sv); |
1621 | SvREFCNT_dec (next_sv); |
1125 | /* coro_nready is already taken care of by destroy */ |
1622 | /* coro_nready has already been taken care of by destroy */ |
1126 | continue; |
1623 | continue; |
1127 | } |
1624 | } |
1128 | |
1625 | |
1129 | --coro_nready; |
1626 | --coro_nready; |
1130 | UNLOCK; |
1627 | UNLOCK; |
1131 | break; |
1628 | break; |
1132 | } |
1629 | } |
1133 | |
1630 | |
1134 | /* free this only after the transfer */ |
1631 | /* free this only after the transfer */ |
1135 | prev_sv = SvRV (coro_current); |
1632 | prev_sv = SvRV (coro_current); |
|
|
1633 | ta->prev = SvSTATE (prev_sv); |
|
|
1634 | TRANSFER_CHECK (*ta); |
|
|
1635 | assert (("FATAL: next coroutine isn't marked as ready in Coro (please report)", ta->next->flags & CF_READY)); |
|
|
1636 | ta->next->flags &= ~CF_READY; |
1136 | SvRV_set (coro_current, next_sv); |
1637 | SvRV_set (coro_current, next_sv); |
1137 | ta->prev = SvSTATE (prev_sv); |
|
|
1138 | |
|
|
1139 | assert (ta->next->flags & CF_READY); |
|
|
1140 | ta->next->flags &= ~CF_READY; |
|
|
1141 | |
1638 | |
1142 | LOCK; |
1639 | LOCK; |
1143 | free_coro_mortal (aTHX); |
1640 | free_coro_mortal (aTHX); |
1144 | coro_mortal = prev_sv; |
1641 | coro_mortal = prev_sv; |
1145 | UNLOCK; |
1642 | UNLOCK; |
1146 | } |
1643 | } |
1147 | |
1644 | |
1148 | static void |
1645 | INLINE void |
1149 | prepare_cede (pTHX_ struct transfer_args *ta) |
1646 | prepare_cede (pTHX_ struct transfer_args *ta) |
1150 | { |
1647 | { |
1151 | api_ready (coro_current); |
1648 | api_ready (coro_current); |
1152 | prepare_schedule (aTHX_ ta); |
1649 | prepare_schedule (aTHX_ ta); |
1153 | } |
1650 | } |
… | |
… | |
1171 | { |
1668 | { |
1172 | dTHX; |
1669 | dTHX; |
1173 | struct transfer_args ta; |
1670 | struct transfer_args ta; |
1174 | |
1671 | |
1175 | prepare_schedule (aTHX_ &ta); |
1672 | prepare_schedule (aTHX_ &ta); |
1176 | TRANSFER (ta); |
1673 | TRANSFER (ta, 1); |
1177 | } |
1674 | } |
1178 | |
1675 | |
1179 | static int |
1676 | static int |
1180 | api_cede (void) |
1677 | api_cede (void) |
1181 | { |
1678 | { |
1182 | dTHX; |
1679 | dTHX; |
1183 | struct transfer_args ta; |
1680 | struct transfer_args ta; |
1184 | |
1681 | |
1185 | prepare_cede (aTHX_ &ta); |
1682 | prepare_cede (aTHX_ &ta); |
1186 | |
1683 | |
1187 | if (ta.prev != ta.next) |
1684 | if (expect_true (ta.prev != ta.next)) |
1188 | { |
1685 | { |
1189 | TRANSFER (ta); |
1686 | TRANSFER (ta, 1); |
1190 | return 1; |
1687 | return 1; |
1191 | } |
1688 | } |
1192 | else |
1689 | else |
1193 | return 0; |
1690 | return 0; |
1194 | } |
1691 | } |
… | |
… | |
1199 | dTHX; |
1696 | dTHX; |
1200 | struct transfer_args ta; |
1697 | struct transfer_args ta; |
1201 | |
1698 | |
1202 | if (prepare_cede_notself (aTHX_ &ta)) |
1699 | if (prepare_cede_notself (aTHX_ &ta)) |
1203 | { |
1700 | { |
1204 | TRANSFER (ta); |
1701 | TRANSFER (ta, 1); |
1205 | return 1; |
1702 | return 1; |
1206 | } |
1703 | } |
1207 | else |
1704 | else |
1208 | return 0; |
1705 | return 0; |
1209 | } |
1706 | } |
1210 | |
1707 | |
|
|
1708 | static void |
|
|
1709 | api_trace (SV *coro_sv, int flags) |
|
|
1710 | { |
|
|
1711 | dTHX; |
|
|
1712 | struct coro *coro = SvSTATE (coro_sv); |
|
|
1713 | |
|
|
1714 | if (flags & CC_TRACE) |
|
|
1715 | { |
|
|
1716 | if (!coro->cctx) |
|
|
1717 | coro->cctx = cctx_new_run (); |
|
|
1718 | else if (!(coro->cctx->flags & CC_TRACE)) |
|
|
1719 | croak ("cannot enable tracing on coroutine with custom stack"); |
|
|
1720 | |
|
|
1721 | coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL)); |
|
|
1722 | } |
|
|
1723 | else if (coro->cctx && coro->cctx->flags & CC_TRACE) |
|
|
1724 | { |
|
|
1725 | coro->cctx->flags &= ~(CC_TRACE | CC_TRACE_ALL); |
|
|
1726 | |
|
|
1727 | if (coro->flags & CF_RUNNING) |
|
|
1728 | PL_runops = RUNOPS_DEFAULT; |
|
|
1729 | else |
|
|
1730 | coro->slot->runops = RUNOPS_DEFAULT; |
|
|
1731 | } |
|
|
1732 | } |
|
|
1733 | |
|
|
1734 | #if 0 |
|
|
1735 | static int |
|
|
1736 | coro_gensub_free (pTHX_ SV *sv, MAGIC *mg) |
|
|
1737 | { |
|
|
1738 | AV *padlist; |
|
|
1739 | AV *av = (AV *)mg->mg_obj; |
|
|
1740 | |
|
|
1741 | abort (); |
|
|
1742 | |
|
|
1743 | return 0; |
|
|
1744 | } |
|
|
1745 | |
|
|
1746 | static MGVTBL coro_gensub_vtbl = { |
|
|
1747 | 0, 0, 0, 0, |
|
|
1748 | coro_gensub_free |
|
|
1749 | }; |
|
|
1750 | #endif |
|
|
1751 | |
|
|
1752 | /*****************************************************************************/ |
|
|
1753 | /* PerlIO::cede */ |
|
|
1754 | |
|
|
1755 | typedef struct |
|
|
1756 | { |
|
|
1757 | PerlIOBuf base; |
|
|
1758 | NV next, every; |
|
|
1759 | } PerlIOCede; |
|
|
1760 | |
|
|
1761 | static IV |
|
|
1762 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
|
|
1763 | { |
|
|
1764 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
|
|
1765 | |
|
|
1766 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
|
|
1767 | self->next = nvtime () + self->every; |
|
|
1768 | |
|
|
1769 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
|
|
1770 | } |
|
|
1771 | |
|
|
1772 | static SV * |
|
|
1773 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
|
|
1774 | { |
|
|
1775 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
|
|
1776 | |
|
|
1777 | return newSVnv (self->every); |
|
|
1778 | } |
|
|
1779 | |
|
|
1780 | static IV |
|
|
1781 | PerlIOCede_flush (pTHX_ PerlIO *f) |
|
|
1782 | { |
|
|
1783 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
|
|
1784 | double now = nvtime (); |
|
|
1785 | |
|
|
1786 | if (now >= self->next) |
|
|
1787 | { |
|
|
1788 | api_cede (); |
|
|
1789 | self->next = now + self->every; |
|
|
1790 | } |
|
|
1791 | |
|
|
1792 | return PerlIOBuf_flush (aTHX_ f); |
|
|
1793 | } |
|
|
1794 | |
|
|
1795 | static PerlIO_funcs PerlIO_cede = |
|
|
1796 | { |
|
|
1797 | sizeof(PerlIO_funcs), |
|
|
1798 | "cede", |
|
|
1799 | sizeof(PerlIOCede), |
|
|
1800 | PERLIO_K_DESTRUCT | PERLIO_K_RAW, |
|
|
1801 | PerlIOCede_pushed, |
|
|
1802 | PerlIOBuf_popped, |
|
|
1803 | PerlIOBuf_open, |
|
|
1804 | PerlIOBase_binmode, |
|
|
1805 | PerlIOCede_getarg, |
|
|
1806 | PerlIOBase_fileno, |
|
|
1807 | PerlIOBuf_dup, |
|
|
1808 | PerlIOBuf_read, |
|
|
1809 | PerlIOBuf_unread, |
|
|
1810 | PerlIOBuf_write, |
|
|
1811 | PerlIOBuf_seek, |
|
|
1812 | PerlIOBuf_tell, |
|
|
1813 | PerlIOBuf_close, |
|
|
1814 | PerlIOCede_flush, |
|
|
1815 | PerlIOBuf_fill, |
|
|
1816 | PerlIOBase_eof, |
|
|
1817 | PerlIOBase_error, |
|
|
1818 | PerlIOBase_clearerr, |
|
|
1819 | PerlIOBase_setlinebuf, |
|
|
1820 | PerlIOBuf_get_base, |
|
|
1821 | PerlIOBuf_bufsiz, |
|
|
1822 | PerlIOBuf_get_ptr, |
|
|
1823 | PerlIOBuf_get_cnt, |
|
|
1824 | PerlIOBuf_set_ptrcnt, |
|
|
1825 | }; |
|
|
1826 | |
|
|
1827 | /*****************************************************************************/ |
|
|
1828 | |
|
|
1829 | static const CV *ssl_cv; /* for quick consistency check */ |
|
|
1830 | |
|
|
1831 | static UNOP ssl_restore; /* restore stack as entersub did, for first-re-run */ |
|
|
1832 | static SV *ssl_arg0; |
|
|
1833 | static SV *ssl_arg1; |
|
|
1834 | |
|
|
1835 | /* this restores the stack in the case we patched the entersub, to */ |
|
|
1836 | /* recreate the stack frame as perl will on following calls */ |
|
|
1837 | /* since entersub cleared the stack */ |
|
|
1838 | static OP * |
|
|
1839 | pp_restore (pTHX) |
|
|
1840 | { |
|
|
1841 | dSP; |
|
|
1842 | |
|
|
1843 | PUSHMARK (SP); |
|
|
1844 | |
|
|
1845 | EXTEND (SP, 3); |
|
|
1846 | if (ssl_arg0) PUSHs (sv_2mortal (ssl_arg0)), ssl_arg0 = 0; |
|
|
1847 | if (ssl_arg1) PUSHs (sv_2mortal (ssl_arg1)), ssl_arg1 = 0; |
|
|
1848 | PUSHs ((SV *)CvGV (ssl_cv)); |
|
|
1849 | |
|
|
1850 | RETURNOP (ssl_restore.op_first); |
|
|
1851 | } |
|
|
1852 | |
|
|
1853 | /* declare prototype */ |
|
|
1854 | XS(XS_Coro__State__set_stacklevel); |
|
|
1855 | |
|
|
1856 | static OP * |
|
|
1857 | pp_set_stacklevel (pTHX) |
|
|
1858 | { |
|
|
1859 | dSP; |
|
|
1860 | struct transfer_args ta; |
|
|
1861 | SV **arg = PL_stack_base + TOPMARK + 1; |
|
|
1862 | int items = SP - arg; /* args without function object */ |
|
|
1863 | |
|
|
1864 | /* do a quick consistency check on the "function" object, and if it isn't */ |
|
|
1865 | /* for us, divert to the real entersub */ |
|
|
1866 | if (SvTYPE (*sp) != SVt_PVGV || CvXSUB (GvCV (*sp)) != XS_Coro__State__set_stacklevel) |
|
|
1867 | return PL_ppaddr[OP_ENTERSUB](aTHX); |
|
|
1868 | |
|
|
1869 | /* pop args */ |
|
|
1870 | SP = PL_stack_base + POPMARK; |
|
|
1871 | |
|
|
1872 | if (!(PL_op->op_flags & OPf_STACKED)) |
|
|
1873 | { |
|
|
1874 | /* ampersand-form of call, use @_ instead of stack */ |
|
|
1875 | AV *av = GvAV (PL_defgv); |
|
|
1876 | arg = AvARRAY (av); |
|
|
1877 | items = AvFILLp (av) + 1; |
|
|
1878 | } |
|
|
1879 | |
|
|
1880 | PUTBACK; |
|
|
1881 | switch (PL_op->op_private & 7) |
|
|
1882 | { |
|
|
1883 | case 0: |
|
|
1884 | prepare_set_stacklevel (&ta, (struct coro_cctx *)SvIV (arg [0])); |
|
|
1885 | break; |
|
|
1886 | |
|
|
1887 | case 1: |
|
|
1888 | if (items != 2) |
|
|
1889 | croak ("Coro::State::transfer (prev, next) expects two arguments, not %d.", items); |
|
|
1890 | |
|
|
1891 | prepare_transfer (aTHX_ &ta, arg [0], arg [1]); |
|
|
1892 | break; |
|
|
1893 | |
|
|
1894 | case 2: |
|
|
1895 | prepare_schedule (aTHX_ &ta); |
|
|
1896 | break; |
|
|
1897 | |
|
|
1898 | case 3: |
|
|
1899 | prepare_cede (aTHX_ &ta); |
|
|
1900 | break; |
|
|
1901 | |
|
|
1902 | case 4: |
|
|
1903 | if (!prepare_cede_notself (aTHX_ &ta)) |
|
|
1904 | goto skip; |
|
|
1905 | |
|
|
1906 | break; |
|
|
1907 | } |
|
|
1908 | |
|
|
1909 | TRANSFER (ta, 0); |
|
|
1910 | SPAGAIN; |
|
|
1911 | |
|
|
1912 | skip: |
|
|
1913 | PUTBACK; |
|
|
1914 | SSL_TAIL; |
|
|
1915 | SPAGAIN; |
|
|
1916 | RETURN; |
|
|
1917 | } |
|
|
1918 | |
1211 | MODULE = Coro::State PACKAGE = Coro::State |
1919 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
1212 | |
1920 | |
1213 | PROTOTYPES: DISABLE |
1921 | PROTOTYPES: DISABLE |
1214 | |
1922 | |
1215 | BOOT: |
1923 | # these not obviously related functions are all rolled into the same xs |
1216 | { |
1924 | # function to increase chances that they all will call transfer with the same |
1217 | #ifdef USE_ITHREADS |
1925 | # stack offset |
1218 | MUTEX_INIT (&coro_mutex); |
|
|
1219 | #endif |
|
|
1220 | BOOT_PAGESIZE; |
|
|
1221 | |
|
|
1222 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
|
|
1223 | |
|
|
1224 | newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV)); |
|
|
1225 | newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV)); |
|
|
1226 | newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (CORO_SAVE_ERRSV)); |
|
|
1227 | newCONSTSUB (coro_state_stash, "SAVE_IRSSV", newSViv (CORO_SAVE_IRSSV)); |
|
|
1228 | newCONSTSUB (coro_state_stash, "SAVE_DEFFH", newSViv (CORO_SAVE_DEFFH)); |
|
|
1229 | newCONSTSUB (coro_state_stash, "SAVE_DEF", newSViv (CORO_SAVE_DEF)); |
|
|
1230 | newCONSTSUB (coro_state_stash, "SAVE_ALL", newSViv (CORO_SAVE_ALL)); |
|
|
1231 | |
|
|
1232 | main_mainstack = PL_mainstack; |
|
|
1233 | main_top_env = PL_top_env; |
|
|
1234 | |
|
|
1235 | while (main_top_env->je_prev) |
|
|
1236 | main_top_env = main_top_env->je_prev; |
|
|
1237 | |
|
|
1238 | coroapi.ver = CORO_API_VERSION; |
|
|
1239 | coroapi.transfer = api_transfer; |
|
|
1240 | |
|
|
1241 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
|
|
1242 | } |
|
|
1243 | |
|
|
1244 | SV * |
|
|
1245 | new (char *klass, ...) |
|
|
1246 | CODE: |
|
|
1247 | { |
|
|
1248 | struct coro *coro; |
|
|
1249 | HV *hv; |
|
|
1250 | int i; |
|
|
1251 | |
|
|
1252 | Newz (0, coro, 1, struct coro); |
|
|
1253 | coro->args = newAV (); |
|
|
1254 | coro->save = CORO_SAVE_DEF; |
|
|
1255 | coro->flags = CF_NEW; |
|
|
1256 | |
|
|
1257 | if (coro_first) coro_first->prev = coro; |
|
|
1258 | coro->next = coro_first; |
|
|
1259 | coro_first = coro; |
|
|
1260 | |
|
|
1261 | coro->hv = hv = newHV (); |
|
|
1262 | sv_magicext ((SV *)hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char *)coro, 0)->mg_flags |= MGf_DUP; |
|
|
1263 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
|
|
1264 | |
|
|
1265 | for (i = 1; i < items; i++) |
|
|
1266 | av_push (coro->args, newSVsv (ST (i))); |
|
|
1267 | } |
|
|
1268 | OUTPUT: |
|
|
1269 | RETVAL |
|
|
1270 | |
|
|
1271 | int |
|
|
1272 | save (SV *coro, int new_save = -1) |
|
|
1273 | CODE: |
|
|
1274 | RETVAL = api_save (coro, new_save); |
|
|
1275 | OUTPUT: |
|
|
1276 | RETVAL |
|
|
1277 | |
|
|
1278 | int |
|
|
1279 | save_also (SV *coro_sv, int save_also) |
|
|
1280 | CODE: |
|
|
1281 | { |
|
|
1282 | struct coro *coro = SvSTATE (coro_sv); |
|
|
1283 | RETVAL = coro->save; |
|
|
1284 | coro->save |= save_also; |
|
|
1285 | } |
|
|
1286 | OUTPUT: |
|
|
1287 | RETVAL |
|
|
1288 | |
|
|
1289 | void |
1926 | void |
1290 | _set_stacklevel (...) |
1927 | _set_stacklevel (...) |
1291 | ALIAS: |
1928 | ALIAS: |
1292 | Coro::State::transfer = 1 |
1929 | Coro::State::transfer = 1 |
1293 | Coro::schedule = 2 |
1930 | Coro::schedule = 2 |
1294 | Coro::cede = 3 |
1931 | Coro::cede = 3 |
1295 | Coro::cede_notself = 4 |
1932 | Coro::cede_notself = 4 |
1296 | CODE: |
1933 | CODE: |
1297 | { |
1934 | { |
1298 | struct transfer_args ta; |
1935 | assert (("FATAL: ssl call recursion in Coro module (please report)", PL_op->op_ppaddr != pp_set_stacklevel)); |
1299 | |
1936 | |
1300 | switch (ix) |
1937 | /* we patch the op, and then re-run the whole call */ |
|
|
1938 | /* we have to put some dummy argument on the stack for this to work */ |
|
|
1939 | /* TODO: walk back the opcode chain (but how?), nuke the pp_gv etc. */ |
|
|
1940 | ssl_restore.op_next = (OP *)&ssl_restore; |
|
|
1941 | ssl_restore.op_type = OP_NULL; |
|
|
1942 | ssl_restore.op_ppaddr = pp_restore; |
|
|
1943 | ssl_restore.op_first = PL_op; |
|
|
1944 | |
|
|
1945 | ssl_arg0 = items > 0 ? SvREFCNT_inc (ST (0)) : 0; |
|
|
1946 | ssl_arg1 = items > 1 ? SvREFCNT_inc (ST (1)) : 0; |
|
|
1947 | |
|
|
1948 | PL_op->op_ppaddr = pp_set_stacklevel; |
|
|
1949 | PL_op->op_private = PL_op->op_private & ~7 | ix; /* we potentially share our private flags with entersub */ |
|
|
1950 | |
|
|
1951 | PL_op = (OP *)&ssl_restore; |
|
|
1952 | } |
|
|
1953 | |
|
|
1954 | BOOT: |
|
|
1955 | { |
|
|
1956 | #ifdef USE_ITHREADS |
|
|
1957 | MUTEX_INIT (&coro_lock); |
|
|
1958 | # if CORO_PTHREAD |
|
|
1959 | coro_thx = PERL_GET_CONTEXT; |
|
|
1960 | # endif |
|
|
1961 | #endif |
|
|
1962 | BOOT_PAGESIZE; |
|
|
1963 | |
|
|
1964 | ssl_cv = get_cv ("Coro::State::_set_stacklevel", 0); |
|
|
1965 | |
|
|
1966 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
|
|
1967 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
|
|
1968 | |
|
|
1969 | orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get; |
|
|
1970 | orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set; |
|
|
1971 | orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr; |
|
|
1972 | |
|
|
1973 | hv_sig = coro_get_hv (aTHX_ "SIG", TRUE); |
|
|
1974 | rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV)); |
|
|
1975 | rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV)); |
|
|
1976 | |
|
|
1977 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
|
|
1978 | |
|
|
1979 | newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE)); |
|
|
1980 | newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB)); |
|
|
1981 | newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE)); |
|
|
1982 | newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL)); |
|
|
1983 | |
|
|
1984 | main_mainstack = PL_mainstack; |
|
|
1985 | main_top_env = PL_top_env; |
|
|
1986 | |
|
|
1987 | while (main_top_env->je_prev) |
|
|
1988 | main_top_env = main_top_env->je_prev; |
|
|
1989 | |
|
|
1990 | coroapi.ver = CORO_API_VERSION; |
|
|
1991 | coroapi.rev = CORO_API_REVISION; |
|
|
1992 | coroapi.transfer = api_transfer; |
|
|
1993 | |
1301 | { |
1994 | { |
1302 | case 0: |
1995 | SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
1303 | ta.prev = (struct coro *)INT2PTR (coro_cctx *, SvIV (ST (0))); |
|
|
1304 | ta.next = 0; |
|
|
1305 | break; |
|
|
1306 | |
1996 | |
1307 | case 1: |
1997 | if (!svp) croak ("Time::HiRes is required"); |
1308 | if (items != 2) |
1998 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer"); |
1309 | croak ("Coro::State::transfer (prev,next) expects two arguments, not %d", items); |
|
|
1310 | |
1999 | |
1311 | prepare_transfer (aTHX_ &ta, ST (0), ST (1)); |
2000 | nvtime = INT2PTR (double (*)(), SvIV (*svp)); |
1312 | break; |
|
|
1313 | |
|
|
1314 | case 2: |
|
|
1315 | prepare_schedule (aTHX_ &ta); |
|
|
1316 | break; |
|
|
1317 | |
|
|
1318 | case 3: |
|
|
1319 | prepare_cede (aTHX_ &ta); |
|
|
1320 | break; |
|
|
1321 | |
|
|
1322 | case 4: |
|
|
1323 | if (!prepare_cede_notself (aTHX_ &ta)) |
|
|
1324 | XSRETURN_EMPTY; |
|
|
1325 | |
|
|
1326 | break; |
|
|
1327 | } |
2001 | } |
1328 | |
2002 | |
1329 | BARRIER; |
2003 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
1330 | TRANSFER (ta); |
|
|
1331 | |
|
|
1332 | if (GIMME_V != G_VOID && ta.next != ta.prev) |
|
|
1333 | XSRETURN_YES; |
|
|
1334 | } |
2004 | } |
|
|
2005 | |
|
|
2006 | SV * |
|
|
2007 | new (char *klass, ...) |
|
|
2008 | CODE: |
|
|
2009 | { |
|
|
2010 | struct coro *coro; |
|
|
2011 | MAGIC *mg; |
|
|
2012 | HV *hv; |
|
|
2013 | int i; |
|
|
2014 | |
|
|
2015 | Newz (0, coro, 1, struct coro); |
|
|
2016 | coro->args = newAV (); |
|
|
2017 | coro->flags = CF_NEW; |
|
|
2018 | |
|
|
2019 | if (coro_first) coro_first->prev = coro; |
|
|
2020 | coro->next = coro_first; |
|
|
2021 | coro_first = coro; |
|
|
2022 | |
|
|
2023 | coro->hv = hv = newHV (); |
|
|
2024 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
|
|
2025 | mg->mg_flags |= MGf_DUP; |
|
|
2026 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
|
|
2027 | |
|
|
2028 | av_extend (coro->args, items - 1); |
|
|
2029 | for (i = 1; i < items; i++) |
|
|
2030 | av_push (coro->args, newSVsv (ST (i))); |
|
|
2031 | } |
|
|
2032 | OUTPUT: |
|
|
2033 | RETVAL |
1335 | |
2034 | |
1336 | bool |
2035 | bool |
1337 | _destroy (SV *coro_sv) |
2036 | _destroy (SV *coro_sv) |
1338 | CODE: |
2037 | CODE: |
1339 | RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv)); |
2038 | RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv)); |
1340 | OUTPUT: |
2039 | OUTPUT: |
1341 | RETVAL |
2040 | RETVAL |
1342 | |
2041 | |
1343 | void |
2042 | void |
1344 | _exit (code) |
2043 | _exit (int code) |
1345 | int code |
|
|
1346 | PROTOTYPE: $ |
2044 | PROTOTYPE: $ |
1347 | CODE: |
2045 | CODE: |
1348 | _exit (code); |
2046 | _exit (code); |
1349 | |
2047 | |
1350 | int |
2048 | int |
1351 | cctx_stacksize (int new_stacksize = 0) |
2049 | cctx_stacksize (int new_stacksize = 0) |
1352 | CODE: |
2050 | CODE: |
1353 | RETVAL = coro_stacksize; |
2051 | RETVAL = cctx_stacksize; |
1354 | if (new_stacksize) |
2052 | if (new_stacksize) |
|
|
2053 | { |
1355 | coro_stacksize = new_stacksize; |
2054 | cctx_stacksize = new_stacksize; |
|
|
2055 | ++cctx_gen; |
|
|
2056 | } |
|
|
2057 | OUTPUT: |
|
|
2058 | RETVAL |
|
|
2059 | |
|
|
2060 | int |
|
|
2061 | cctx_max_idle (int max_idle = 0) |
|
|
2062 | CODE: |
|
|
2063 | RETVAL = cctx_max_idle; |
|
|
2064 | if (max_idle > 1) |
|
|
2065 | cctx_max_idle = max_idle; |
1356 | OUTPUT: |
2066 | OUTPUT: |
1357 | RETVAL |
2067 | RETVAL |
1358 | |
2068 | |
1359 | int |
2069 | int |
1360 | cctx_count () |
2070 | cctx_count () |
… | |
… | |
1379 | if (coro->hv) |
2089 | if (coro->hv) |
1380 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
2090 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
1381 | } |
2091 | } |
1382 | |
2092 | |
1383 | void |
2093 | void |
1384 | _eval (Coro::State coro, SV *coderef) |
2094 | call (Coro::State coro, SV *coderef) |
|
|
2095 | ALIAS: |
|
|
2096 | eval = 1 |
1385 | CODE: |
2097 | CODE: |
1386 | { |
2098 | { |
1387 | if (coro->mainstack) |
2099 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
1388 | { |
2100 | { |
1389 | struct coro temp; |
2101 | struct coro temp; |
1390 | Zero (&temp, 1, struct coro); |
|
|
1391 | temp.save = CORO_SAVE_ALL; |
|
|
1392 | |
2102 | |
1393 | if (!(coro->flags & CF_RUNNING)) |
2103 | if (!(coro->flags & CF_RUNNING)) |
1394 | { |
2104 | { |
|
|
2105 | PUTBACK; |
1395 | save_perl (aTHX_ &temp); |
2106 | save_perl (aTHX_ &temp); |
1396 | load_perl (aTHX_ coro); |
2107 | load_perl (aTHX_ coro); |
1397 | } |
2108 | } |
1398 | |
2109 | |
1399 | { |
2110 | { |
1400 | dSP; |
2111 | dSP; |
1401 | ENTER; |
2112 | ENTER; |
1402 | SAVETMPS; |
2113 | SAVETMPS; |
|
|
2114 | PUTBACK; |
|
|
2115 | PUSHSTACK; |
1403 | PUSHMARK (SP); |
2116 | PUSHMARK (SP); |
1404 | PUTBACK; |
2117 | |
|
|
2118 | if (ix) |
|
|
2119 | eval_sv (coderef, 0); |
|
|
2120 | else |
1405 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
2121 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
|
|
2122 | |
|
|
2123 | POPSTACK; |
1406 | SPAGAIN; |
2124 | SPAGAIN; |
1407 | FREETMPS; |
2125 | FREETMPS; |
1408 | LEAVE; |
2126 | LEAVE; |
1409 | PUTBACK; |
2127 | PUTBACK; |
1410 | } |
2128 | } |
1411 | |
2129 | |
1412 | if (!(coro->flags & CF_RUNNING)) |
2130 | if (!(coro->flags & CF_RUNNING)) |
1413 | { |
2131 | { |
1414 | save_perl (aTHX_ coro); |
2132 | save_perl (aTHX_ coro); |
1415 | load_perl (aTHX_ &temp); |
2133 | load_perl (aTHX_ &temp); |
|
|
2134 | SPAGAIN; |
1416 | } |
2135 | } |
1417 | } |
2136 | } |
1418 | } |
2137 | } |
1419 | |
2138 | |
1420 | SV * |
2139 | SV * |
1421 | is_ready (Coro::State coro) |
2140 | is_ready (Coro::State coro) |
1422 | PROTOTYPE: $ |
2141 | PROTOTYPE: $ |
1423 | ALIAS: |
2142 | ALIAS: |
1424 | is_ready = CF_READY |
2143 | is_ready = CF_READY |
… | |
… | |
1428 | CODE: |
2147 | CODE: |
1429 | RETVAL = boolSV (coro->flags & ix); |
2148 | RETVAL = boolSV (coro->flags & ix); |
1430 | OUTPUT: |
2149 | OUTPUT: |
1431 | RETVAL |
2150 | RETVAL |
1432 | |
2151 | |
1433 | IV |
2152 | void |
|
|
2153 | throw (Coro::State self, SV *throw = &PL_sv_undef) |
|
|
2154 | PROTOTYPE: $;$ |
|
|
2155 | CODE: |
|
|
2156 | SvREFCNT_dec (self->throw); |
|
|
2157 | self->throw = SvOK (throw) ? newSVsv (throw) : 0; |
|
|
2158 | |
|
|
2159 | void |
|
|
2160 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
|
|
2161 | |
|
|
2162 | SV * |
|
|
2163 | has_cctx (Coro::State coro) |
|
|
2164 | PROTOTYPE: $ |
|
|
2165 | CODE: |
|
|
2166 | RETVAL = boolSV (!!coro->cctx); |
|
|
2167 | OUTPUT: |
|
|
2168 | RETVAL |
|
|
2169 | |
|
|
2170 | int |
|
|
2171 | is_traced (Coro::State coro) |
|
|
2172 | PROTOTYPE: $ |
|
|
2173 | CODE: |
|
|
2174 | RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL; |
|
|
2175 | OUTPUT: |
|
|
2176 | RETVAL |
|
|
2177 | |
|
|
2178 | UV |
1434 | rss (Coro::State coro) |
2179 | rss (Coro::State coro) |
1435 | PROTOTYPE: $ |
2180 | PROTOTYPE: $ |
|
|
2181 | ALIAS: |
|
|
2182 | usecount = 1 |
1436 | CODE: |
2183 | CODE: |
1437 | RETVAL = coro_rss (coro); |
2184 | switch (ix) |
|
|
2185 | { |
|
|
2186 | case 0: RETVAL = coro_rss (aTHX_ coro); break; |
|
|
2187 | case 1: RETVAL = coro->usecount; break; |
|
|
2188 | } |
1438 | OUTPUT: |
2189 | OUTPUT: |
1439 | RETVAL |
2190 | RETVAL |
1440 | |
2191 | |
|
|
2192 | void |
|
|
2193 | force_cctx () |
|
|
2194 | CODE: |
|
|
2195 | struct coro *coro = SvSTATE (coro_current); |
|
|
2196 | coro->cctx->idle_sp = 0; |
|
|
2197 | |
|
|
2198 | void |
|
|
2199 | swap_defsv (Coro::State self) |
|
|
2200 | PROTOTYPE: $ |
|
|
2201 | ALIAS: |
|
|
2202 | swap_defav = 1 |
|
|
2203 | CODE: |
|
|
2204 | if (!self->slot) |
|
|
2205 | croak ("cannot swap state with coroutine that has no saved state"); |
|
|
2206 | else |
|
|
2207 | { |
|
|
2208 | SV **src = ix ? (SV **)&GvAV (PL_defgv) : &GvSV (PL_defgv); |
|
|
2209 | SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv; |
|
|
2210 | |
|
|
2211 | SV *tmp = *src; *src = *dst; *dst = tmp; |
|
|
2212 | } |
1441 | |
2213 | |
1442 | MODULE = Coro::State PACKAGE = Coro |
2214 | MODULE = Coro::State PACKAGE = Coro |
1443 | |
2215 | |
1444 | BOOT: |
2216 | BOOT: |
1445 | { |
2217 | { |
1446 | int i; |
2218 | int i; |
1447 | |
2219 | |
1448 | sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE); |
|
|
1449 | sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE); |
|
|
1450 | av_async_pool = get_av ("Coro::async_pool", TRUE); |
2220 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
|
|
2221 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
|
|
2222 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
1451 | |
2223 | |
1452 | coro_current = get_sv ("Coro::current", FALSE); |
2224 | coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE); |
1453 | SvREADONLY_on (coro_current); |
2225 | SvREADONLY_on (coro_current); |
1454 | |
2226 | |
1455 | coro_stash = gv_stashpv ("Coro", TRUE); |
2227 | coro_stash = gv_stashpv ("Coro", TRUE); |
1456 | |
2228 | |
1457 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
2229 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
1458 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
2230 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
1459 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); |
2231 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); |
1460 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); |
2232 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); |
… | |
… | |
1463 | |
2235 | |
1464 | for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) |
2236 | for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) |
1465 | coro_ready[i] = newAV (); |
2237 | coro_ready[i] = newAV (); |
1466 | |
2238 | |
1467 | { |
2239 | { |
1468 | SV *sv = perl_get_sv("Coro::API", 1); |
2240 | SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE); |
1469 | |
2241 | |
1470 | coroapi.schedule = api_schedule; |
2242 | coroapi.schedule = api_schedule; |
1471 | coroapi.save = api_save; |
|
|
1472 | coroapi.cede = api_cede; |
2243 | coroapi.cede = api_cede; |
1473 | coroapi.cede_notself = api_cede_notself; |
2244 | coroapi.cede_notself = api_cede_notself; |
1474 | coroapi.ready = api_ready; |
2245 | coroapi.ready = api_ready; |
1475 | coroapi.is_ready = api_is_ready; |
2246 | coroapi.is_ready = api_is_ready; |
1476 | coroapi.nready = &coro_nready; |
2247 | coroapi.nready = &coro_nready; |
… | |
… | |
1485 | void |
2256 | void |
1486 | _set_current (SV *current) |
2257 | _set_current (SV *current) |
1487 | PROTOTYPE: $ |
2258 | PROTOTYPE: $ |
1488 | CODE: |
2259 | CODE: |
1489 | SvREFCNT_dec (SvRV (coro_current)); |
2260 | SvREFCNT_dec (SvRV (coro_current)); |
1490 | SvRV_set (coro_current, SvREFCNT_inc (SvRV (current))); |
2261 | SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current))); |
|
|
2262 | |
|
|
2263 | void |
|
|
2264 | _set_readyhook (SV *hook) |
|
|
2265 | PROTOTYPE: $ |
|
|
2266 | CODE: |
|
|
2267 | LOCK; |
|
|
2268 | SvREFCNT_dec (coro_readyhook); |
|
|
2269 | coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0; |
|
|
2270 | UNLOCK; |
1491 | |
2271 | |
1492 | int |
2272 | int |
1493 | prio (Coro::State coro, int newprio = 0) |
2273 | prio (Coro::State coro, int newprio = 0) |
1494 | ALIAS: |
2274 | ALIAS: |
1495 | nice = 1 |
2275 | nice = 1 |
… | |
… | |
1526 | RETVAL = coro_nready; |
2306 | RETVAL = coro_nready; |
1527 | OUTPUT: |
2307 | OUTPUT: |
1528 | RETVAL |
2308 | RETVAL |
1529 | |
2309 | |
1530 | # for async_pool speedup |
2310 | # for async_pool speedup |
1531 | SV * |
2311 | void |
1532 | _pool_1 (...) |
2312 | _pool_1 (SV *cb) |
1533 | CODE: |
2313 | CODE: |
1534 | { |
2314 | { |
1535 | int i, len; |
2315 | struct coro *coro = SvSTATE (coro_current); |
1536 | HV *hv = (HV *)SvRV (coro_current); |
2316 | HV *hv = (HV *)SvRV (coro_current); |
1537 | AV *defav = GvAV (PL_defgv); |
2317 | AV *defav = GvAV (PL_defgv); |
1538 | SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0); |
2318 | SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0); |
1539 | AV *invoke_av; |
2319 | AV *invoke_av; |
|
|
2320 | int i, len; |
1540 | |
2321 | |
1541 | if (!invoke) |
2322 | if (!invoke) |
1542 | XSRETURN_EMPTY; |
2323 | { |
|
|
2324 | SV *old = PL_diehook; |
|
|
2325 | PL_diehook = 0; |
|
|
2326 | SvREFCNT_dec (old); |
|
|
2327 | croak ("\3async_pool terminate\2\n"); |
|
|
2328 | } |
|
|
2329 | |
|
|
2330 | SvREFCNT_dec (coro->saved_deffh); |
|
|
2331 | coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv); |
1543 | |
2332 | |
1544 | hv_store (hv, "desc", sizeof ("desc") - 1, |
2333 | hv_store (hv, "desc", sizeof ("desc") - 1, |
1545 | newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0); |
2334 | newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0); |
1546 | |
2335 | |
1547 | invoke_av = (AV *)SvRV (invoke); |
2336 | invoke_av = (AV *)SvRV (invoke); |
1548 | len = av_len (invoke_av); |
2337 | len = av_len (invoke_av); |
1549 | |
2338 | |
1550 | av_clear (defav); |
2339 | sv_setsv (cb, AvARRAY (invoke_av)[0]); |
1551 | |
|
|
1552 | RETVAL = sv_2mortal (SvREFCNT_inc (AvARRAY (invoke_av)[0])); |
|
|
1553 | |
2340 | |
1554 | if (len > 0) |
2341 | if (len > 0) |
1555 | { |
2342 | { |
1556 | av_extend (defav, len); |
2343 | av_fill (defav, len - 1); |
1557 | for (i = 0; i < len; ++i) |
2344 | for (i = 0; i < len; ++i) |
1558 | av_store (defav, i, SvREFCNT_inc (AvARRAY (invoke_av)[i + 1])); |
2345 | av_store (defav, i, SvREFCNT_inc_NN (AvARRAY (invoke_av)[i + 1])); |
1559 | } |
2346 | } |
1560 | |
2347 | |
1561 | SvREFCNT_dec (invoke); |
2348 | SvREFCNT_dec (invoke); |
|
|
2349 | } |
|
|
2350 | |
|
|
2351 | void |
|
|
2352 | _pool_2 (SV *cb) |
|
|
2353 | CODE: |
|
|
2354 | { |
|
|
2355 | struct coro *coro = SvSTATE (coro_current); |
|
|
2356 | |
|
|
2357 | sv_setsv (cb, &PL_sv_undef); |
|
|
2358 | |
|
|
2359 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
|
|
2360 | coro->saved_deffh = 0; |
|
|
2361 | |
|
|
2362 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
|
|
2363 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
|
|
2364 | { |
|
|
2365 | SV *old = PL_diehook; |
|
|
2366 | PL_diehook = 0; |
|
|
2367 | SvREFCNT_dec (old); |
|
|
2368 | croak ("\3async_pool terminate\2\n"); |
|
|
2369 | } |
|
|
2370 | |
|
|
2371 | av_clear (GvAV (PL_defgv)); |
|
|
2372 | hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1, |
|
|
2373 | newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0); |
|
|
2374 | |
|
|
2375 | coro->prio = 0; |
|
|
2376 | |
|
|
2377 | if (coro->cctx && (coro->cctx->flags & CC_TRACE)) |
|
|
2378 | api_trace (coro_current, 0); |
|
|
2379 | |
|
|
2380 | av_push (av_async_pool, newSVsv (coro_current)); |
|
|
2381 | } |
|
|
2382 | |
|
|
2383 | #if 0 |
|
|
2384 | |
|
|
2385 | void |
|
|
2386 | _generator_call (...) |
|
|
2387 | PROTOTYPE: @ |
|
|
2388 | PPCODE: |
|
|
2389 | fprintf (stderr, "call %p\n", CvXSUBANY(cv).any_ptr); |
|
|
2390 | xxxx |
|
|
2391 | abort (); |
|
|
2392 | |
|
|
2393 | SV * |
|
|
2394 | gensub (SV *sub, ...) |
|
|
2395 | PROTOTYPE: &;@ |
|
|
2396 | CODE: |
|
|
2397 | { |
|
|
2398 | struct coro *coro; |
|
|
2399 | MAGIC *mg; |
|
|
2400 | CV *xcv; |
|
|
2401 | CV *ncv = (CV *)newSV_type (SVt_PVCV); |
|
|
2402 | int i; |
|
|
2403 | |
|
|
2404 | CvGV (ncv) = CvGV (cv); |
|
|
2405 | CvFILE (ncv) = CvFILE (cv); |
|
|
2406 | |
|
|
2407 | Newz (0, coro, 1, struct coro); |
|
|
2408 | coro->args = newAV (); |
|
|
2409 | coro->flags = CF_NEW; |
|
|
2410 | |
|
|
2411 | av_extend (coro->args, items - 1); |
|
|
2412 | for (i = 1; i < items; i++) |
|
|
2413 | av_push (coro->args, newSVsv (ST (i))); |
|
|
2414 | |
|
|
2415 | CvISXSUB_on (ncv); |
|
|
2416 | CvXSUBANY (ncv).any_ptr = (void *)coro; |
|
|
2417 | |
|
|
2418 | xcv = GvCV (gv_fetchpv ("Coro::_generator_call", 0, SVt_PVCV)); |
|
|
2419 | |
|
|
2420 | CvXSUB (ncv) = CvXSUB (xcv); |
|
|
2421 | CvANON_on (ncv); |
|
|
2422 | |
|
|
2423 | mg = sv_magicext ((SV *)ncv, 0, CORO_MAGIC_type_state, &coro_gensub_vtbl, (char *)coro, 0); |
|
|
2424 | RETVAL = newRV_noinc ((SV *)ncv); |
1562 | } |
2425 | } |
1563 | OUTPUT: |
2426 | OUTPUT: |
1564 | RETVAL |
2427 | RETVAL |
1565 | |
2428 | |
|
|
2429 | #endif |
|
|
2430 | |
|
|
2431 | |
|
|
2432 | MODULE = Coro::State PACKAGE = Coro::AIO |
|
|
2433 | |
1566 | void |
2434 | void |
1567 | _pool_2 (...) |
2435 | _get_state (SV *self) |
1568 | CODE: |
2436 | PPCODE: |
1569 | { |
2437 | { |
1570 | struct coro *coro = SvSTATE (coro_current); |
2438 | AV *defav = GvAV (PL_defgv); |
1571 | |
2439 | AV *av = newAV (); |
1572 | if (coro_rss (coro) > SvIV (sv_pool_rss) |
2440 | int i; |
1573 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
|
|
1574 | XSRETURN_YES; |
|
|
1575 | |
|
|
1576 | av_clear (GvAV (PL_defgv)); |
|
|
1577 | hv_store (SvRV (coro_current), "desc", sizeof ("desc") - 1, |
|
|
1578 | newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0); |
|
|
1579 | coro->save = CORO_SAVE_DEF; |
|
|
1580 | coro->prio = 0; |
|
|
1581 | av_push (av_async_pool, newSVsv (coro_current)); |
|
|
1582 | |
|
|
1583 | XSRETURN_NO; |
|
|
1584 | } |
|
|
1585 | |
|
|
1586 | |
|
|
1587 | MODULE = Coro::State PACKAGE = Coro::AIO |
|
|
1588 | |
|
|
1589 | SV * |
|
|
1590 | _get_state () |
|
|
1591 | CODE: |
|
|
1592 | { |
|
|
1593 | struct io_state *data; |
|
|
1594 | |
|
|
1595 | RETVAL = newSV (sizeof (struct io_state)); |
2441 | SV *data_sv = newSV (sizeof (struct io_state)); |
1596 | data = (struct io_state *)SvPVX (RETVAL); |
2442 | struct io_state *data = (struct io_state *)SvPVX (data_sv); |
1597 | SvCUR_set (RETVAL, sizeof (struct io_state)); |
2443 | SvCUR_set (data_sv, sizeof (struct io_state)); |
1598 | SvPOK_only (RETVAL); |
2444 | SvPOK_only (data_sv); |
1599 | |
2445 | |
1600 | data->errorno = errno; |
2446 | data->errorno = errno; |
1601 | data->laststype = PL_laststype; |
2447 | data->laststype = PL_laststype; |
1602 | data->laststatval = PL_laststatval; |
2448 | data->laststatval = PL_laststatval; |
1603 | data->statcache = PL_statcache; |
2449 | data->statcache = PL_statcache; |
|
|
2450 | |
|
|
2451 | av_extend (av, AvFILLp (defav) + 1 + 1); |
|
|
2452 | |
|
|
2453 | for (i = 0; i <= AvFILLp (defav); ++i) |
|
|
2454 | av_push (av, SvREFCNT_inc_NN (AvARRAY (defav)[i])); |
|
|
2455 | |
|
|
2456 | av_push (av, data_sv); |
|
|
2457 | |
|
|
2458 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
2459 | |
|
|
2460 | api_ready (self); |
1604 | } |
2461 | } |
1605 | OUTPUT: |
|
|
1606 | RETVAL |
|
|
1607 | |
2462 | |
1608 | void |
2463 | void |
1609 | _set_state (char *data_) |
2464 | _set_state (SV *state) |
1610 | PROTOTYPE: $ |
2465 | PROTOTYPE: $ |
1611 | CODE: |
2466 | PPCODE: |
1612 | { |
2467 | { |
1613 | struct io_state *data = (void *)data_; |
2468 | AV *av = (AV *)SvRV (state); |
|
|
2469 | struct io_state *data = (struct io_state *)SvPVX (AvARRAY (av)[AvFILLp (av)]); |
|
|
2470 | int i; |
1614 | |
2471 | |
1615 | errno = data->errorno; |
2472 | errno = data->errorno; |
1616 | PL_laststype = data->laststype; |
2473 | PL_laststype = data->laststype; |
1617 | PL_laststatval = data->laststatval; |
2474 | PL_laststatval = data->laststatval; |
1618 | PL_statcache = data->statcache; |
2475 | PL_statcache = data->statcache; |
1619 | } |
|
|
1620 | |
2476 | |
|
|
2477 | EXTEND (SP, AvFILLp (av)); |
|
|
2478 | for (i = 0; i < AvFILLp (av); ++i) |
|
|
2479 | PUSHs (sv_2mortal (SvREFCNT_inc_NN (AvARRAY (av)[i]))); |
|
|
2480 | } |
|
|
2481 | |
|
|
2482 | |
|
|
2483 | MODULE = Coro::State PACKAGE = Coro::AnyEvent |
|
|
2484 | |
|
|
2485 | BOOT: |
|
|
2486 | sv_activity = coro_get_sv (aTHX_ "Coro::AnyEvent::ACTIVITY", TRUE); |
|
|
2487 | |
|
|
2488 | SV * |
|
|
2489 | _schedule (...) |
|
|
2490 | PROTOTYPE: @ |
|
|
2491 | CODE: |
|
|
2492 | { |
|
|
2493 | static int incede; |
|
|
2494 | |
|
|
2495 | api_cede_notself (); |
|
|
2496 | |
|
|
2497 | ++incede; |
|
|
2498 | while (coro_nready >= incede && api_cede ()) |
|
|
2499 | ; |
|
|
2500 | |
|
|
2501 | sv_setsv (sv_activity, &PL_sv_undef); |
|
|
2502 | if (coro_nready >= incede) |
|
|
2503 | { |
|
|
2504 | PUSHMARK (SP); |
|
|
2505 | PUTBACK; |
|
|
2506 | call_pv ("Coro::AnyEvent::_activity", G_DISCARD | G_EVAL); |
|
|
2507 | SPAGAIN; |
|
|
2508 | } |
|
|
2509 | |
|
|
2510 | --incede; |
|
|
2511 | } |
|
|
2512 | |
|
|
2513 | |
|
|
2514 | MODULE = Coro::State PACKAGE = PerlIO::cede |
|
|
2515 | |
|
|
2516 | BOOT: |
|
|
2517 | PerlIO_define_layer (aTHX_ &PerlIO_cede); |
|
|
2518 | |