1 | /* this works around a bug in mingw32 providing a non-working setjmp */ |
1 | /* this works around a bug in mingw32 providing a non-working setjmp */ |
2 | #define USE_NO_MINGW_SETJMP_TWO_ARGS |
2 | #define USE_NO_MINGW_SETJMP_TWO_ARGS |
3 | |
3 | |
4 | #define NDEBUG 1 |
4 | #define NDEBUG 1 /* perl usually disables NDEBUG later */ |
5 | |
5 | |
6 | #include "libcoro/coro.c" |
6 | #include "libcoro/coro.c" |
7 | |
7 | |
8 | #define PERL_NO_GET_CONTEXT |
8 | #define PERL_NO_GET_CONTEXT |
9 | #define PERL_EXT |
9 | #define PERL_EXT |
… | |
… | |
13 | #include "XSUB.h" |
13 | #include "XSUB.h" |
14 | #include "perliol.h" |
14 | #include "perliol.h" |
15 | |
15 | |
16 | #include "schmorp.h" |
16 | #include "schmorp.h" |
17 | |
17 | |
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18 | #define ECB_NO_THREADS 1 |
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19 | #include "ecb.h" |
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20 | |
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21 | #include <stddef.h> |
18 | #include <stdio.h> |
22 | #include <stdio.h> |
19 | #include <errno.h> |
23 | #include <errno.h> |
20 | #include <assert.h> |
24 | #include <assert.h> |
21 | |
25 | |
22 | #ifndef SVs_PADSTALE |
26 | #ifndef SVs_PADSTALE |
23 | # define SVs_PADSTALE 0 |
27 | # define SVs_PADSTALE 0 |
24 | #endif |
28 | #endif |
25 | |
29 | |
26 | #ifdef WIN32 |
30 | #ifdef PadARRAY |
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31 | # define NEWPADAPI |
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32 | # define newPADLIST(var) (Newz (0, var, 1, PADLIST), Newx (PadlistARRAY (var), 2, PAD *)) |
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33 | #else |
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34 | typedef AV PADNAMELIST; |
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35 | # if !PERL_VERSION_ATLEAST(5,8,0) |
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36 | typedef AV PADLIST; |
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37 | typedef AV PAD; |
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38 | # endif |
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39 | # define PadlistARRAY(pl) ((PAD **)AvARRAY (pl)) |
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40 | # define PadlistMAX(pl) AvFILLp (pl) |
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41 | # define PadlistNAMES(pl) (*PadlistARRAY (pl)) |
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42 | # define PadARRAY AvARRAY |
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43 | # define PadMAX AvFILLp |
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44 | # define newPADLIST(var) ((var) = newAV (), av_extend (var, 1)) |
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45 | #endif |
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46 | |
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47 | #if defined(_WIN32) |
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48 | # undef HAS_GETTIMEOFDAY |
27 | # undef setjmp |
49 | # undef setjmp |
28 | # undef longjmp |
50 | # undef longjmp |
29 | # undef _exit |
51 | # undef _exit |
30 | # define setjmp _setjmp /* deep magic */ |
52 | # define setjmp _setjmp /* deep magic */ |
31 | #else |
53 | #else |
32 | # include <inttypes.h> /* most portable stdint.h */ |
54 | # include <inttypes.h> /* most portable stdint.h */ |
33 | #endif |
55 | #endif |
34 | |
56 | |
35 | #ifdef HAVE_MMAP |
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36 | # include <unistd.h> |
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37 | # include <sys/mman.h> |
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38 | # ifndef MAP_ANONYMOUS |
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39 | # ifdef MAP_ANON |
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40 | # define MAP_ANONYMOUS MAP_ANON |
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41 | # else |
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42 | # undef HAVE_MMAP |
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43 | # endif |
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44 | # endif |
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45 | # include <limits.h> |
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46 | # ifndef PAGESIZE |
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47 | # define PAGESIZE pagesize |
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48 | # define BOOT_PAGESIZE pagesize = sysconf (_SC_PAGESIZE) |
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49 | static long pagesize; |
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50 | # else |
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51 | # define BOOT_PAGESIZE (void)0 |
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52 | # endif |
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53 | #else |
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54 | # define PAGESIZE 0 |
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55 | # define BOOT_PAGESIZE (void)0 |
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56 | #endif |
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57 | |
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58 | #if CORO_USE_VALGRIND |
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59 | # include <valgrind/valgrind.h> |
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60 | #endif |
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61 | |
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62 | /* the maximum number of idle cctx that will be pooled */ |
57 | /* the maximum number of idle cctx that will be pooled */ |
63 | static int cctx_max_idle = 4; |
58 | static int cctx_max_idle = 4; |
64 | |
59 | |
65 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
60 | #if defined(DEBUGGING) && PERL_VERSION_ATLEAST(5,12,0) |
66 | # undef CORO_STACKGUARD |
61 | # define HAS_SCOPESTACK_NAME 1 |
67 | #endif |
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68 | |
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69 | #ifndef CORO_STACKGUARD |
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70 | # define CORO_STACKGUARD 0 |
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71 | #endif |
62 | #endif |
72 | |
63 | |
73 | /* prefer perl internal functions over our own? */ |
64 | /* prefer perl internal functions over our own? */ |
74 | #ifndef CORO_PREFER_PERL_FUNCTIONS |
65 | #ifndef CORO_PREFER_PERL_FUNCTIONS |
75 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
66 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
… | |
… | |
85 | # define STACKLEVEL ((void *)&stacklevel) |
76 | # define STACKLEVEL ((void *)&stacklevel) |
86 | #endif |
77 | #endif |
87 | |
78 | |
88 | #define IN_DESTRUCT PL_dirty |
79 | #define IN_DESTRUCT PL_dirty |
89 | |
80 | |
90 | #if __GNUC__ >= 3 |
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91 | # define attribute(x) __attribute__(x) |
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92 | # define expect(expr,value) __builtin_expect ((expr), (value)) |
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93 | # define INLINE static inline |
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94 | #else |
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95 | # define attribute(x) |
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96 | # define expect(expr,value) (expr) |
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97 | # define INLINE static |
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98 | #endif |
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99 | |
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100 | #define expect_false(expr) expect ((expr) != 0, 0) |
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101 | #define expect_true(expr) expect ((expr) != 0, 1) |
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102 | |
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103 | #define NOINLINE attribute ((noinline)) |
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104 | |
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105 | #include "CoroAPI.h" |
81 | #include "CoroAPI.h" |
106 | #define GCoroAPI (&coroapi) /* very sneaky */ |
82 | #define GCoroAPI (&coroapi) /* very sneaky */ |
107 | |
83 | |
108 | #ifdef USE_ITHREADS |
84 | #ifdef USE_ITHREADS |
109 | # if CORO_PTHREAD |
85 | # if CORO_PTHREAD |
… | |
… | |
125 | static void (*u2time)(pTHX_ UV ret[2]); |
101 | static void (*u2time)(pTHX_ UV ret[2]); |
126 | |
102 | |
127 | /* we hijack an hopefully unused CV flag for our purposes */ |
103 | /* we hijack an hopefully unused CV flag for our purposes */ |
128 | #define CVf_SLF 0x4000 |
104 | #define CVf_SLF 0x4000 |
129 | static OP *pp_slf (pTHX); |
105 | static OP *pp_slf (pTHX); |
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106 | static void slf_destroy (pTHX_ struct coro *coro); |
130 | |
107 | |
131 | static U32 cctx_gen; |
108 | static U32 cctx_gen; |
132 | static size_t cctx_stacksize = CORO_STACKSIZE; |
109 | static size_t cctx_stacksize = CORO_STACKSIZE; |
133 | static struct CoroAPI coroapi; |
110 | static struct CoroAPI coroapi; |
134 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
111 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
… | |
… | |
164 | static char times_valid; |
141 | static char times_valid; |
165 | |
142 | |
166 | static struct coro_cctx *cctx_first; |
143 | static struct coro_cctx *cctx_first; |
167 | static int cctx_count, cctx_idle; |
144 | static int cctx_count, cctx_idle; |
168 | |
145 | |
169 | enum { |
146 | enum |
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147 | { |
170 | CC_MAPPED = 0x01, |
148 | CC_MAPPED = 0x01, |
171 | CC_NOREUSE = 0x02, /* throw this away after tracing */ |
149 | CC_NOREUSE = 0x02, /* throw this away after tracing */ |
172 | CC_TRACE = 0x04, |
150 | CC_TRACE = 0x04, |
173 | CC_TRACE_SUB = 0x08, /* trace sub calls */ |
151 | CC_TRACE_SUB = 0x08, /* trace sub calls */ |
174 | CC_TRACE_LINE = 0x10, /* trace each statement */ |
152 | CC_TRACE_LINE = 0x10, /* trace each statement */ |
… | |
… | |
179 | typedef struct coro_cctx |
157 | typedef struct coro_cctx |
180 | { |
158 | { |
181 | struct coro_cctx *next; |
159 | struct coro_cctx *next; |
182 | |
160 | |
183 | /* the stack */ |
161 | /* the stack */ |
184 | void *sptr; |
162 | struct coro_stack stack; |
185 | size_t ssize; |
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186 | |
163 | |
187 | /* cpu state */ |
164 | /* cpu state */ |
188 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
165 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
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166 | #ifndef NDEBUG |
189 | JMPENV *idle_te; /* same as idle_sp, but for top_env, TODO: remove once stable */ |
167 | JMPENV *idle_te; /* same as idle_sp, but for top_env */ |
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168 | #endif |
190 | JMPENV *top_env; |
169 | JMPENV *top_env; |
191 | coro_context cctx; |
170 | coro_context cctx; |
192 | |
171 | |
193 | U32 gen; |
172 | U32 gen; |
194 | #if CORO_USE_VALGRIND |
173 | #if CORO_USE_VALGRIND |
195 | int valgrind_id; |
174 | int valgrind_id; |
196 | #endif |
175 | #endif |
197 | unsigned char flags; |
176 | unsigned char flags; |
198 | } coro_cctx; |
177 | } coro_cctx; |
199 | |
178 | |
200 | coro_cctx *cctx_current; /* the currently running cctx */ |
179 | static coro_cctx *cctx_current; /* the currently running cctx */ |
201 | |
180 | |
202 | /*****************************************************************************/ |
181 | /*****************************************************************************/ |
203 | |
182 | |
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183 | static MGVTBL coro_state_vtbl; |
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184 | |
204 | enum { |
185 | enum |
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186 | { |
205 | CF_RUNNING = 0x0001, /* coroutine is running */ |
187 | CF_RUNNING = 0x0001, /* coroutine is running */ |
206 | CF_READY = 0x0002, /* coroutine is ready */ |
188 | CF_READY = 0x0002, /* coroutine is ready */ |
207 | CF_NEW = 0x0004, /* has never been switched to */ |
189 | CF_NEW = 0x0004, /* has never been switched to */ |
208 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
190 | CF_ZOMBIE = 0x0008, /* coroutine data has been freed */ |
209 | CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */ |
191 | CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */ |
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192 | CF_NOCANCEL = 0x0020, /* cannot cancel, set slf_frame.data to 1 (hackish) */ |
210 | }; |
193 | }; |
211 | |
194 | |
212 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
195 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
213 | typedef struct |
196 | typedef struct |
214 | { |
197 | { |
215 | SV *defsv; |
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216 | AV *defav; |
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217 | SV *errsv; |
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218 | SV *irsgv; |
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219 | HV *hinthv; |
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220 | #define VAR(name,type) type name; |
198 | #define VARx(name,expr,type) type name; |
221 | # include "state.h" |
199 | #include "state.h" |
222 | #undef VAR |
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223 | } perl_slots; |
200 | } perl_slots; |
224 | |
201 | |
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202 | /* how many context stack entries do we need for perl_slots */ |
225 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
203 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
226 | |
204 | |
227 | /* this is a structure representing a perl-level coroutine */ |
205 | /* this is a structure representing a perl-level coroutine */ |
228 | struct coro { |
206 | struct coro |
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207 | { |
229 | /* the C coroutine allocated to this perl coroutine, if any */ |
208 | /* the C coroutine allocated to this perl coroutine, if any */ |
230 | coro_cctx *cctx; |
209 | coro_cctx *cctx; |
231 | |
210 | |
232 | /* ready queue */ |
211 | /* ready queue */ |
233 | struct coro *next_ready; |
212 | struct coro *next_ready; |
… | |
… | |
235 | /* state data */ |
214 | /* state data */ |
236 | struct CoroSLF slf_frame; /* saved slf frame */ |
215 | struct CoroSLF slf_frame; /* saved slf frame */ |
237 | AV *mainstack; |
216 | AV *mainstack; |
238 | perl_slots *slot; /* basically the saved sp */ |
217 | perl_slots *slot; /* basically the saved sp */ |
239 | |
218 | |
240 | CV *startcv; /* the CV to execute */ |
219 | CV *startcv; /* the CV to execute */ |
241 | AV *args; /* data associated with this coroutine (initial args) */ |
220 | AV *args; /* data associated with this coroutine (initial args) */ |
242 | int refcnt; /* coroutines are refcounted, yes */ |
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243 | int flags; /* CF_ flags */ |
221 | int flags; /* CF_ flags */ |
244 | HV *hv; /* the perl hash associated with this coro, if any */ |
222 | HV *hv; /* the perl hash associated with this coro, if any */ |
245 | void (*on_destroy)(pTHX_ struct coro *coro); |
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246 | |
223 | |
247 | /* statistics */ |
224 | /* statistics */ |
248 | int usecount; /* number of transfers to this coro */ |
225 | int usecount; /* number of transfers to this coro */ |
249 | |
226 | |
250 | /* coro process data */ |
227 | /* coro process data */ |
251 | int prio; |
228 | int prio; |
252 | SV *except; /* exception to be thrown */ |
229 | SV *except; /* exception to be thrown */ |
253 | SV *rouse_cb; |
230 | SV *rouse_cb; /* last rouse callback */ |
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231 | AV *on_destroy; /* callbacks or coros to notify on destroy */ |
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232 | AV *status; /* the exit status list */ |
254 | |
233 | |
255 | /* async_pool */ |
234 | /* async_pool */ |
256 | SV *saved_deffh; |
235 | SV *saved_deffh; |
257 | SV *invoke_cb; |
236 | SV *invoke_cb; |
258 | AV *invoke_av; |
237 | AV *invoke_av; |
… | |
… | |
274 | typedef struct coro *Coro__State; |
253 | typedef struct coro *Coro__State; |
275 | typedef struct coro *Coro__State_or_hashref; |
254 | typedef struct coro *Coro__State_or_hashref; |
276 | |
255 | |
277 | /* the following variables are effectively part of the perl context */ |
256 | /* the following variables are effectively part of the perl context */ |
278 | /* and get copied between struct coro and these variables */ |
257 | /* and get copied between struct coro and these variables */ |
279 | /* the mainr easonw e don't support windows process emulation */ |
258 | /* the main reason we don't support windows process emulation */ |
280 | static struct CoroSLF slf_frame; /* the current slf frame */ |
259 | static struct CoroSLF slf_frame; /* the current slf frame */ |
281 | |
260 | |
282 | /** Coro ********************************************************************/ |
261 | /** Coro ********************************************************************/ |
283 | |
262 | |
284 | #define CORO_PRIO_MAX 3 |
263 | #define CORO_PRIO_MAX 3 |
… | |
… | |
290 | |
269 | |
291 | /* for Coro.pm */ |
270 | /* for Coro.pm */ |
292 | static SV *coro_current; |
271 | static SV *coro_current; |
293 | static SV *coro_readyhook; |
272 | static SV *coro_readyhook; |
294 | static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ |
273 | static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ |
295 | static CV *cv_coro_run, *cv_coro_terminate; |
274 | static CV *cv_coro_run; |
296 | static struct coro *coro_first; |
275 | static struct coro *coro_first; |
297 | #define coro_nready coroapi.nready |
276 | #define coro_nready coroapi.nready |
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277 | |
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278 | /** JIT *********************************************************************/ |
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279 | |
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280 | #if CORO_JIT |
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281 | /* APPLE doesn't have mmap though */ |
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282 | #define CORO_JIT_UNIXY (__linux || __FreeBSD__ || __OpenBSD__ || __NetBSD__ || __solaris || __APPLE__) |
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283 | #ifndef CORO_JIT_TYPE |
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284 | #if ECB_AMD64 && CORO_JIT_UNIXY |
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285 | #define CORO_JIT_TYPE "amd64-unix" |
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286 | #elif __i386 && CORO_JIT_UNIXY |
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287 | #define CORO_JIT_TYPE "x86-unix" |
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288 | #endif |
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289 | #endif |
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290 | #endif |
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291 | |
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292 | #if !defined(CORO_JIT_TYPE) || _POSIX_MEMORY_PROTECTION <= 0 |
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293 | #undef CORO_JIT |
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294 | #endif |
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295 | |
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296 | #if CORO_JIT |
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297 | typedef void (*load_save_perl_slots_type)(perl_slots *); |
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298 | static load_save_perl_slots_type load_perl_slots, save_perl_slots; |
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299 | #endif |
298 | |
300 | |
299 | /** Coro::Select ************************************************************/ |
301 | /** Coro::Select ************************************************************/ |
300 | |
302 | |
301 | static OP *(*coro_old_pp_sselect) (pTHX); |
303 | static OP *(*coro_old_pp_sselect) (pTHX); |
302 | static SV *coro_select_select; |
304 | static SV *coro_select_select; |
… | |
… | |
314 | PL_op->op_flags |= OPf_STACKED; |
316 | PL_op->op_flags |= OPf_STACKED; |
315 | PL_op->op_private = 0; |
317 | PL_op->op_private = 0; |
316 | return PL_ppaddr [OP_ENTERSUB](aTHX); |
318 | return PL_ppaddr [OP_ENTERSUB](aTHX); |
317 | } |
319 | } |
318 | |
320 | |
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321 | /** time stuff **************************************************************/ |
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322 | |
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323 | #ifdef HAS_GETTIMEOFDAY |
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324 | |
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325 | ecb_inline void |
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326 | coro_u2time (pTHX_ UV ret[2]) |
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327 | { |
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328 | struct timeval tv; |
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329 | gettimeofday (&tv, 0); |
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330 | |
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331 | ret [0] = tv.tv_sec; |
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332 | ret [1] = tv.tv_usec; |
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333 | } |
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334 | |
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335 | ecb_inline double |
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336 | coro_nvtime (void) |
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337 | { |
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338 | struct timeval tv; |
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339 | gettimeofday (&tv, 0); |
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340 | |
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341 | return tv.tv_sec + tv.tv_usec * 1e-6; |
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342 | } |
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343 | |
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344 | ecb_inline void |
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345 | time_init (pTHX) |
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346 | { |
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347 | nvtime = coro_nvtime; |
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348 | u2time = coro_u2time; |
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349 | } |
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350 | |
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351 | #else |
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352 | |
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353 | ecb_inline void |
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354 | time_init (pTHX) |
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355 | { |
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356 | SV **svp; |
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357 | |
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358 | require_pv ("Time/HiRes.pm"); |
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359 | |
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360 | svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
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361 | |
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362 | if (!svp) croak ("Time::HiRes is required, but missing. Caught"); |
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363 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer. Caught"); |
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364 | |
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365 | nvtime = INT2PTR (double (*)(), SvIV (*svp)); |
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366 | |
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367 | svp = hv_fetch (PL_modglobal, "Time::U2time", 12, 0); |
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368 | u2time = INT2PTR (void (*)(pTHX_ UV ret[2]), SvIV (*svp)); |
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369 | } |
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370 | |
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371 | #endif |
|
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372 | |
319 | /** lowlevel stuff **********************************************************/ |
373 | /** lowlevel stuff **********************************************************/ |
320 | |
374 | |
321 | static SV * |
375 | static SV * ecb_noinline |
322 | coro_get_sv (pTHX_ const char *name, int create) |
376 | coro_get_sv (pTHX_ const char *name, int create) |
323 | { |
377 | { |
324 | #if PERL_VERSION_ATLEAST (5,10,0) |
378 | #if PERL_VERSION_ATLEAST (5,10,0) |
325 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
379 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
326 | get_sv (name, create); |
380 | get_sv (name, create); |
327 | #endif |
381 | #endif |
328 | return get_sv (name, create); |
382 | return get_sv (name, create); |
329 | } |
383 | } |
330 | |
384 | |
331 | static AV * |
385 | static AV * ecb_noinline |
332 | coro_get_av (pTHX_ const char *name, int create) |
386 | coro_get_av (pTHX_ const char *name, int create) |
333 | { |
387 | { |
334 | #if PERL_VERSION_ATLEAST (5,10,0) |
388 | #if PERL_VERSION_ATLEAST (5,10,0) |
335 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
389 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
336 | get_av (name, create); |
390 | get_av (name, create); |
337 | #endif |
391 | #endif |
338 | return get_av (name, create); |
392 | return get_av (name, create); |
339 | } |
393 | } |
340 | |
394 | |
341 | static HV * |
395 | static HV * ecb_noinline |
342 | coro_get_hv (pTHX_ const char *name, int create) |
396 | coro_get_hv (pTHX_ const char *name, int create) |
343 | { |
397 | { |
344 | #if PERL_VERSION_ATLEAST (5,10,0) |
398 | #if PERL_VERSION_ATLEAST (5,10,0) |
345 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
399 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
346 | get_hv (name, create); |
400 | get_hv (name, create); |
347 | #endif |
401 | #endif |
348 | return get_hv (name, create); |
402 | return get_hv (name, create); |
349 | } |
403 | } |
350 | |
404 | |
351 | INLINE void |
405 | ecb_inline void |
352 | coro_times_update () |
406 | coro_times_update (void) |
353 | { |
407 | { |
354 | #ifdef coro_clock_gettime |
408 | #ifdef coro_clock_gettime |
355 | struct timespec ts; |
409 | struct timespec ts; |
356 | |
410 | |
357 | ts.tv_sec = ts.tv_nsec = 0; |
411 | ts.tv_sec = ts.tv_nsec = 0; |
… | |
… | |
369 | time_real [0] = tv [0]; |
423 | time_real [0] = tv [0]; |
370 | time_real [1] = tv [1] * 1000; |
424 | time_real [1] = tv [1] * 1000; |
371 | #endif |
425 | #endif |
372 | } |
426 | } |
373 | |
427 | |
374 | INLINE void |
428 | ecb_inline void |
375 | coro_times_add (struct coro *c) |
429 | coro_times_add (struct coro *c) |
376 | { |
430 | { |
377 | c->t_real [1] += time_real [1]; |
431 | c->t_real [1] += time_real [1]; |
378 | if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } |
432 | if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } |
379 | c->t_real [0] += time_real [0]; |
433 | c->t_real [0] += time_real [0]; |
… | |
… | |
381 | c->t_cpu [1] += time_cpu [1]; |
435 | c->t_cpu [1] += time_cpu [1]; |
382 | if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } |
436 | if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } |
383 | c->t_cpu [0] += time_cpu [0]; |
437 | c->t_cpu [0] += time_cpu [0]; |
384 | } |
438 | } |
385 | |
439 | |
386 | INLINE void |
440 | ecb_inline void |
387 | coro_times_sub (struct coro *c) |
441 | coro_times_sub (struct coro *c) |
388 | { |
442 | { |
389 | if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } |
443 | if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } |
390 | c->t_real [1] -= time_real [1]; |
444 | c->t_real [1] -= time_real [1]; |
391 | c->t_real [0] -= time_real [0]; |
445 | c->t_real [0] -= time_real [0]; |
… | |
… | |
399 | /* magic glue */ |
453 | /* magic glue */ |
400 | |
454 | |
401 | #define CORO_MAGIC_type_cv 26 |
455 | #define CORO_MAGIC_type_cv 26 |
402 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
456 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
403 | |
457 | |
404 | #define CORO_MAGIC_NN(sv, type) \ |
458 | #define CORO_MAGIC_NN(sv, type) \ |
405 | (expect_true (SvMAGIC (sv)->mg_type == type) \ |
459 | (ecb_expect_true (SvMAGIC (sv)->mg_type == type) \ |
406 | ? SvMAGIC (sv) \ |
460 | ? SvMAGIC (sv) \ |
407 | : mg_find (sv, type)) |
461 | : mg_find (sv, type)) |
408 | |
462 | |
409 | #define CORO_MAGIC(sv, type) \ |
463 | #define CORO_MAGIC(sv, type) \ |
410 | (expect_true (SvMAGIC (sv)) \ |
464 | (ecb_expect_true (SvMAGIC (sv)) \ |
411 | ? CORO_MAGIC_NN (sv, type) \ |
465 | ? CORO_MAGIC_NN (sv, type) \ |
412 | : 0) |
466 | : 0) |
413 | |
467 | |
414 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
468 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
415 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
469 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
416 | |
470 | |
417 | INLINE struct coro * |
471 | ecb_inline MAGIC * |
|
|
472 | SvSTATEhv_p (pTHX_ SV *coro) |
|
|
473 | { |
|
|
474 | MAGIC *mg; |
|
|
475 | |
|
|
476 | if (ecb_expect_true ( |
|
|
477 | SvTYPE (coro) == SVt_PVHV |
|
|
478 | && (mg = CORO_MAGIC_state (coro)) |
|
|
479 | && mg->mg_virtual == &coro_state_vtbl |
|
|
480 | )) |
|
|
481 | return mg; |
|
|
482 | |
|
|
483 | return 0; |
|
|
484 | } |
|
|
485 | |
|
|
486 | ecb_inline struct coro * |
418 | SvSTATE_ (pTHX_ SV *coro) |
487 | SvSTATE_ (pTHX_ SV *coro) |
419 | { |
488 | { |
420 | HV *stash; |
|
|
421 | MAGIC *mg; |
489 | MAGIC *mg; |
422 | |
490 | |
423 | if (SvROK (coro)) |
491 | if (SvROK (coro)) |
424 | coro = SvRV (coro); |
492 | coro = SvRV (coro); |
425 | |
493 | |
426 | if (expect_false (SvTYPE (coro) != SVt_PVHV)) |
494 | mg = SvSTATEhv_p (aTHX_ coro); |
|
|
495 | if (!mg) |
427 | croak ("Coro::State object required"); |
496 | croak ("Coro::State object required"); |
428 | |
497 | |
429 | stash = SvSTASH (coro); |
|
|
430 | if (expect_false (stash != coro_stash && stash != coro_state_stash)) |
|
|
431 | { |
|
|
432 | /* very slow, but rare, check */ |
|
|
433 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
|
|
434 | croak ("Coro::State object required"); |
|
|
435 | } |
|
|
436 | |
|
|
437 | mg = CORO_MAGIC_state (coro); |
|
|
438 | return (struct coro *)mg->mg_ptr; |
498 | return (struct coro *)mg->mg_ptr; |
439 | } |
499 | } |
440 | |
500 | |
441 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
501 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
442 | |
502 | |
… | |
… | |
445 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
505 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
446 | |
506 | |
447 | /*****************************************************************************/ |
507 | /*****************************************************************************/ |
448 | /* padlist management and caching */ |
508 | /* padlist management and caching */ |
449 | |
509 | |
450 | static AV * |
510 | ecb_inline PADLIST * |
451 | coro_derive_padlist (pTHX_ CV *cv) |
511 | coro_derive_padlist (pTHX_ CV *cv) |
452 | { |
512 | { |
453 | AV *padlist = CvPADLIST (cv); |
513 | PADLIST *padlist = CvPADLIST (cv); |
454 | AV *newpadlist, *newpad; |
514 | PADLIST *newpadlist; |
|
|
515 | PAD *newpad; |
|
|
516 | PADOFFSET const off = PadlistMAX (padlist) + 1; |
455 | |
517 | |
456 | newpadlist = newAV (); |
518 | newPADLIST(newpadlist); |
|
|
519 | #if !PERL_VERSION_ATLEAST(5,15,3) |
|
|
520 | /* Padlists are AvREAL as of 5.15.3. See perl bug #98092 and perl commit 7d953ba. */ |
457 | AvREAL_off (newpadlist); |
521 | AvREAL_off (newpadlist); |
|
|
522 | #endif |
458 | #if PERL_VERSION_ATLEAST (5,10,0) |
523 | #if PERL_VERSION_ATLEAST (5,10,0) |
459 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1); |
524 | Perl_pad_push (aTHX_ padlist, off); |
460 | #else |
525 | #else |
461 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
526 | Perl_pad_push (aTHX_ padlist, off, 1); |
462 | #endif |
527 | #endif |
463 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
528 | newpad = PadlistARRAY (padlist)[off]; |
464 | --AvFILLp (padlist); |
529 | PadlistMAX (padlist) = off - 1; |
465 | |
530 | |
466 | av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0])); |
531 | /* Already extended to 2 elements by newPADLIST. */ |
467 | av_store (newpadlist, 1, (SV *)newpad); |
532 | PadlistMAX (newpadlist) = 1; |
|
|
533 | PadlistNAMES (newpadlist) = (PADNAMELIST *)SvREFCNT_inc_NN (PadlistNAMES (padlist)); |
|
|
534 | PadlistARRAY (newpadlist)[1] = newpad; |
468 | |
535 | |
469 | return newpadlist; |
536 | return newpadlist; |
470 | } |
537 | } |
471 | |
538 | |
472 | static void |
539 | ecb_inline void |
473 | free_padlist (pTHX_ AV *padlist) |
540 | free_padlist (pTHX_ PADLIST *padlist) |
474 | { |
541 | { |
475 | /* may be during global destruction */ |
542 | /* may be during global destruction */ |
476 | if (!IN_DESTRUCT) |
543 | if (!IN_DESTRUCT) |
477 | { |
544 | { |
478 | I32 i = AvFILLp (padlist); |
545 | I32 i = PadlistMAX (padlist); |
479 | |
546 | |
480 | while (i > 0) /* special-case index 0 */ |
547 | while (i > 0) /* special-case index 0 */ |
481 | { |
548 | { |
482 | /* we try to be extra-careful here */ |
549 | /* we try to be extra-careful here */ |
483 | AV *av = (AV *)AvARRAY (padlist)[i--]; |
550 | PAD *pad = PadlistARRAY (padlist)[i--]; |
484 | I32 j = AvFILLp (av); |
551 | I32 j = PadMAX (pad); |
485 | |
552 | |
486 | while (j >= 0) |
553 | while (j >= 0) |
487 | SvREFCNT_dec (AvARRAY (av)[j--]); |
554 | SvREFCNT_dec (PadARRAY (pad)[j--]); |
488 | |
555 | |
489 | AvFILLp (av) = -1; |
556 | PadMAX (pad) = -1; |
490 | SvREFCNT_dec (av); |
557 | SvREFCNT_dec (pad); |
491 | } |
558 | } |
492 | |
559 | |
493 | SvREFCNT_dec (AvARRAY (padlist)[0]); |
560 | SvREFCNT_dec (PadlistNAMES (padlist)); |
494 | |
561 | |
|
|
562 | #ifdef NEWPADAPI |
|
|
563 | Safefree (PadlistARRAY (padlist)); |
|
|
564 | Safefree (padlist); |
|
|
565 | #else |
495 | AvFILLp (padlist) = -1; |
566 | AvFILLp (padlist) = -1; |
|
|
567 | AvREAL_off (padlist); |
496 | SvREFCNT_dec ((SV*)padlist); |
568 | SvREFCNT_dec ((SV*)padlist); |
|
|
569 | #endif |
497 | } |
570 | } |
498 | } |
571 | } |
499 | |
572 | |
500 | static int |
573 | static int |
501 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
574 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
502 | { |
575 | { |
503 | AV *padlist; |
576 | PADLIST *padlist; |
504 | AV *av = (AV *)mg->mg_obj; |
577 | PADLIST **padlists = (PADLIST **)(mg->mg_ptr + sizeof(size_t)); |
|
|
578 | size_t len = *(size_t *)mg->mg_ptr; |
505 | |
579 | |
506 | /* perl manages to free our internal AV and _then_ call us */ |
580 | /* perl manages to free our internal AV and _then_ call us */ |
507 | if (IN_DESTRUCT) |
581 | if (IN_DESTRUCT) |
508 | return 0; |
582 | return 0; |
509 | |
583 | |
510 | /* casting is fun. */ |
584 | while (len--) |
511 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
|
|
512 | free_padlist (aTHX_ padlist); |
585 | free_padlist (aTHX_ padlists[len]); |
513 | |
|
|
514 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
|
|
515 | |
586 | |
516 | return 0; |
587 | return 0; |
517 | } |
588 | } |
518 | |
589 | |
519 | static MGVTBL coro_cv_vtbl = { |
590 | static MGVTBL coro_cv_vtbl = { |
520 | 0, 0, 0, 0, |
591 | 0, 0, 0, 0, |
521 | coro_cv_free |
592 | coro_cv_free |
522 | }; |
593 | }; |
523 | |
594 | |
524 | /* the next two functions merely cache the padlists */ |
595 | /* the next two functions merely cache the padlists */ |
525 | static void |
596 | ecb_inline void |
526 | get_padlist (pTHX_ CV *cv) |
597 | get_padlist (pTHX_ CV *cv) |
527 | { |
598 | { |
528 | MAGIC *mg = CORO_MAGIC_cv (cv); |
599 | MAGIC *mg = CORO_MAGIC_cv (cv); |
529 | AV *av; |
600 | size_t *lenp; |
530 | |
601 | |
531 | if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
602 | if (ecb_expect_true (mg && *(lenp = (size_t *)mg->mg_ptr))) |
532 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
603 | CvPADLIST (cv) = ((PADLIST **)(mg->mg_ptr + sizeof(size_t)))[--*lenp]; |
533 | else |
604 | else |
534 | { |
605 | { |
535 | #if CORO_PREFER_PERL_FUNCTIONS |
606 | #if CORO_PREFER_PERL_FUNCTIONS |
536 | /* this is probably cleaner? but also slower! */ |
607 | /* this is probably cleaner? but also slower! */ |
537 | /* in practise, it seems to be less stable */ |
608 | /* in practise, it seems to be less stable */ |
… | |
… | |
543 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
614 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
544 | #endif |
615 | #endif |
545 | } |
616 | } |
546 | } |
617 | } |
547 | |
618 | |
548 | static void |
619 | ecb_inline void |
549 | put_padlist (pTHX_ CV *cv) |
620 | put_padlist (pTHX_ CV *cv) |
550 | { |
621 | { |
551 | MAGIC *mg = CORO_MAGIC_cv (cv); |
622 | MAGIC *mg = CORO_MAGIC_cv (cv); |
552 | AV *av; |
|
|
553 | |
623 | |
554 | if (expect_false (!mg)) |
624 | if (ecb_expect_false (!mg)) |
|
|
625 | { |
555 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
626 | mg = sv_magicext ((SV *)cv, 0, CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
|
|
627 | Newz (0, mg->mg_ptr ,sizeof (size_t) + sizeof (PADLIST *), char); |
|
|
628 | mg->mg_len = 1; /* so mg_free frees mg_ptr */ |
|
|
629 | } |
|
|
630 | else |
|
|
631 | Renew (mg->mg_ptr, |
|
|
632 | sizeof(size_t) + (*(size_t *)mg->mg_ptr + 1) * sizeof(PADLIST *), |
|
|
633 | char); |
556 | |
634 | |
557 | av = (AV *)mg->mg_obj; |
635 | ((PADLIST **)(mg->mg_ptr + sizeof (size_t))) [(*(size_t *)mg->mg_ptr)++] = CvPADLIST (cv); |
558 | |
|
|
559 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
|
|
560 | av_extend (av, AvFILLp (av) + 1); |
|
|
561 | |
|
|
562 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
|
|
563 | } |
636 | } |
564 | |
637 | |
565 | /** load & save, init *******************************************************/ |
638 | /** load & save, init *******************************************************/ |
566 | |
639 | |
|
|
640 | ecb_inline void |
|
|
641 | swap_sv (SV *a, SV *b) |
|
|
642 | { |
|
|
643 | const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */ |
|
|
644 | SV tmp; |
|
|
645 | |
|
|
646 | /* swap sv_any */ |
|
|
647 | SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp); |
|
|
648 | |
|
|
649 | /* swap sv_flags */ |
|
|
650 | SvFLAGS (&tmp) = SvFLAGS (a); |
|
|
651 | SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep); |
|
|
652 | SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep); |
|
|
653 | |
|
|
654 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
655 | /* perl 5.10 and later complicates this _quite_ a bit, but it also |
|
|
656 | * is much faster, so no quarrels here. alternatively, we could |
|
|
657 | * sv_upgrade to avoid this. |
|
|
658 | */ |
|
|
659 | { |
|
|
660 | /* swap sv_u */ |
|
|
661 | tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u; |
|
|
662 | |
|
|
663 | /* if SvANY points to the head, we need to adjust the pointers, |
|
|
664 | * as the pointer for a still points to b, and maybe vice versa. |
|
|
665 | */ |
|
|
666 | #define svany_in_head(type) \ |
|
|
667 | (((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type))) |
|
|
668 | |
|
|
669 | if (svany_in_head (SvTYPE (a))) |
|
|
670 | SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a); |
|
|
671 | |
|
|
672 | if (svany_in_head (SvTYPE (b))) |
|
|
673 | SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b); |
|
|
674 | } |
|
|
675 | #endif |
|
|
676 | } |
|
|
677 | |
567 | /* swap sv heads, at least logically */ |
678 | /* swap sv heads, at least logically */ |
568 | static void |
679 | static void |
569 | swap_svs (pTHX_ Coro__State c) |
680 | swap_svs (pTHX_ Coro__State c) |
570 | { |
681 | { |
571 | int i; |
682 | int i; |
572 | |
683 | |
573 | for (i = 0; i <= AvFILLp (c->swap_sv); ) |
684 | for (i = 0; i <= AvFILLp (c->swap_sv); i += 2) |
574 | { |
685 | swap_sv (AvARRAY (c->swap_sv)[i], AvARRAY (c->swap_sv)[i + 1]); |
575 | SV *a = AvARRAY (c->swap_sv)[i++]; |
|
|
576 | SV *b = AvARRAY (c->swap_sv)[i++]; |
|
|
577 | |
|
|
578 | const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */ |
|
|
579 | SV tmp; |
|
|
580 | |
|
|
581 | /* swap sv_any */ |
|
|
582 | SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp); |
|
|
583 | |
|
|
584 | /* swap sv_flags */ |
|
|
585 | SvFLAGS (&tmp) = SvFLAGS (a); |
|
|
586 | SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep); |
|
|
587 | SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep); |
|
|
588 | |
|
|
589 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
590 | /* perl 5.10 complicates this _quite_ a bit, but it also is |
|
|
591 | * is much faster, so no quarrels here. alternatively, we could |
|
|
592 | * sv_upgrade to avoid this. |
|
|
593 | */ |
|
|
594 | { |
|
|
595 | /* swap sv_u */ |
|
|
596 | tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u; |
|
|
597 | |
|
|
598 | /* if SvANY points to the head, we need to adjust the pointers, |
|
|
599 | * as the pointer for a still points to b, and maybe vice versa. |
|
|
600 | */ |
|
|
601 | #define svany_in_head(type) \ |
|
|
602 | (((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type))) |
|
|
603 | |
|
|
604 | if (svany_in_head (SvTYPE (a))) |
|
|
605 | SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a); |
|
|
606 | |
|
|
607 | if (svany_in_head (SvTYPE (b))) |
|
|
608 | SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b); |
|
|
609 | } |
|
|
610 | #endif |
|
|
611 | } |
|
|
612 | } |
686 | } |
613 | |
687 | |
614 | #define SWAP_SVS(coro) \ |
688 | #define SWAP_SVS(coro) \ |
615 | if (expect_false ((coro)->swap_sv)) \ |
689 | if (ecb_expect_false ((coro)->swap_sv)) \ |
616 | swap_svs (aTHX_ (coro)) |
690 | swap_svs (aTHX_ (coro)) |
617 | |
691 | |
618 | static void |
692 | static void |
619 | on_enterleave_call (pTHX_ SV *cb); |
693 | on_enterleave_call (pTHX_ SV *cb); |
620 | |
694 | |
… | |
… | |
624 | perl_slots *slot = c->slot; |
698 | perl_slots *slot = c->slot; |
625 | c->slot = 0; |
699 | c->slot = 0; |
626 | |
700 | |
627 | PL_mainstack = c->mainstack; |
701 | PL_mainstack = c->mainstack; |
628 | |
702 | |
629 | GvSV (PL_defgv) = slot->defsv; |
703 | #if CORO_JIT |
630 | GvAV (PL_defgv) = slot->defav; |
704 | load_perl_slots (slot); |
631 | GvSV (PL_errgv) = slot->errsv; |
705 | #else |
632 | GvSV (irsgv) = slot->irsgv; |
|
|
633 | GvHV (PL_hintgv) = slot->hinthv; |
|
|
634 | |
|
|
635 | #define VAR(name,type) PL_ ## name = slot->name; |
706 | #define VARx(name,expr,type) expr = slot->name; |
636 | # include "state.h" |
707 | #include "state.h" |
637 | #undef VAR |
708 | #endif |
638 | |
709 | |
639 | { |
710 | { |
640 | dSP; |
711 | dSP; |
641 | |
712 | |
642 | CV *cv; |
713 | CV *cv; |
643 | |
714 | |
644 | /* now do the ugly restore mess */ |
715 | /* now do the ugly restore mess */ |
645 | while (expect_true (cv = (CV *)POPs)) |
716 | while (ecb_expect_true (cv = (CV *)POPs)) |
646 | { |
717 | { |
647 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
718 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
648 | CvDEPTH (cv) = PTR2IV (POPs); |
719 | CvDEPTH (cv) = PTR2IV (POPs); |
649 | CvPADLIST (cv) = (AV *)POPs; |
720 | CvPADLIST (cv) = (PADLIST *)POPs; |
650 | } |
721 | } |
651 | |
722 | |
652 | PUTBACK; |
723 | PUTBACK; |
653 | } |
724 | } |
654 | |
725 | |
655 | slf_frame = c->slf_frame; |
726 | slf_frame = c->slf_frame; |
656 | CORO_THROW = c->except; |
727 | CORO_THROW = c->except; |
657 | |
728 | |
658 | if (expect_false (enable_times)) |
729 | if (ecb_expect_false (enable_times)) |
659 | { |
730 | { |
660 | if (expect_false (!times_valid)) |
731 | if (ecb_expect_false (!times_valid)) |
661 | coro_times_update (); |
732 | coro_times_update (); |
662 | |
733 | |
663 | coro_times_sub (c); |
734 | coro_times_sub (c); |
664 | } |
735 | } |
665 | |
736 | |
666 | if (expect_false (c->on_enter)) |
737 | if (ecb_expect_false (c->on_enter)) |
667 | { |
738 | { |
668 | int i; |
739 | int i; |
669 | |
740 | |
670 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
741 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
671 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
742 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
… | |
… | |
677 | static void |
748 | static void |
678 | save_perl (pTHX_ Coro__State c) |
749 | save_perl (pTHX_ Coro__State c) |
679 | { |
750 | { |
680 | SWAP_SVS (c); |
751 | SWAP_SVS (c); |
681 | |
752 | |
682 | if (expect_false (c->on_leave)) |
753 | if (ecb_expect_false (c->on_leave)) |
683 | { |
754 | { |
684 | int i; |
755 | int i; |
685 | |
756 | |
686 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
757 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
687 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
758 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
688 | } |
759 | } |
689 | |
760 | |
690 | times_valid = 0; |
761 | times_valid = 0; |
691 | |
762 | |
692 | if (expect_false (enable_times)) |
763 | if (ecb_expect_false (enable_times)) |
693 | { |
764 | { |
694 | coro_times_update (); times_valid = 1; |
765 | coro_times_update (); times_valid = 1; |
695 | coro_times_add (c); |
766 | coro_times_add (c); |
696 | } |
767 | } |
697 | |
768 | |
… | |
… | |
711 | |
782 | |
712 | XPUSHs (Nullsv); |
783 | XPUSHs (Nullsv); |
713 | /* this loop was inspired by pp_caller */ |
784 | /* this loop was inspired by pp_caller */ |
714 | for (;;) |
785 | for (;;) |
715 | { |
786 | { |
716 | while (expect_true (cxix >= 0)) |
787 | while (ecb_expect_true (cxix >= 0)) |
717 | { |
788 | { |
718 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
789 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
719 | |
790 | |
720 | if (expect_true (CxTYPE (cx) == CXt_SUB) || expect_false (CxTYPE (cx) == CXt_FORMAT)) |
791 | if (ecb_expect_true (CxTYPE (cx) == CXt_SUB) || ecb_expect_false (CxTYPE (cx) == CXt_FORMAT)) |
721 | { |
792 | { |
722 | CV *cv = cx->blk_sub.cv; |
793 | CV *cv = cx->blk_sub.cv; |
723 | |
794 | |
724 | if (expect_true (CvDEPTH (cv))) |
795 | if (ecb_expect_true (CvDEPTH (cv))) |
725 | { |
796 | { |
726 | EXTEND (SP, 3); |
797 | EXTEND (SP, 3); |
727 | PUSHs ((SV *)CvPADLIST (cv)); |
798 | PUSHs ((SV *)CvPADLIST (cv)); |
728 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
799 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
729 | PUSHs ((SV *)cv); |
800 | PUSHs ((SV *)cv); |
… | |
… | |
732 | get_padlist (aTHX_ cv); |
803 | get_padlist (aTHX_ cv); |
733 | } |
804 | } |
734 | } |
805 | } |
735 | } |
806 | } |
736 | |
807 | |
737 | if (expect_true (top_si->si_type == PERLSI_MAIN)) |
808 | if (ecb_expect_true (top_si->si_type == PERLSI_MAIN)) |
738 | break; |
809 | break; |
739 | |
810 | |
740 | top_si = top_si->si_prev; |
811 | top_si = top_si->si_prev; |
741 | ccstk = top_si->si_cxstack; |
812 | ccstk = top_si->si_cxstack; |
742 | cxix = top_si->si_cxix; |
813 | cxix = top_si->si_cxix; |
… | |
… | |
744 | |
815 | |
745 | PUTBACK; |
816 | PUTBACK; |
746 | } |
817 | } |
747 | |
818 | |
748 | /* allocate some space on the context stack for our purposes */ |
819 | /* allocate some space on the context stack for our purposes */ |
749 | /* we manually unroll here, as usually 2 slots is enough */ |
820 | if (ecb_expect_false (cxstack_ix + (int)SLOT_COUNT >= cxstack_max)) |
750 | if (SLOT_COUNT >= 1) CXINC; |
|
|
751 | if (SLOT_COUNT >= 2) CXINC; |
|
|
752 | if (SLOT_COUNT >= 3) CXINC; |
|
|
753 | { |
821 | { |
754 | unsigned int i; |
822 | unsigned int i; |
|
|
823 | |
755 | for (i = 3; i < SLOT_COUNT; ++i) |
824 | for (i = 0; i < SLOT_COUNT; ++i) |
756 | CXINC; |
825 | CXINC; |
757 | } |
826 | |
758 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
827 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
|
|
828 | } |
759 | |
829 | |
760 | c->mainstack = PL_mainstack; |
830 | c->mainstack = PL_mainstack; |
761 | |
831 | |
762 | { |
832 | { |
763 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
833 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
764 | |
834 | |
765 | slot->defav = GvAV (PL_defgv); |
835 | #if CORO_JIT |
766 | slot->defsv = DEFSV; |
836 | save_perl_slots (slot); |
767 | slot->errsv = ERRSV; |
837 | #else |
768 | slot->irsgv = GvSV (irsgv); |
|
|
769 | slot->hinthv = GvHV (PL_hintgv); |
|
|
770 | |
|
|
771 | #define VAR(name,type) slot->name = PL_ ## name; |
838 | #define VARx(name,expr,type) slot->name = expr; |
772 | # include "state.h" |
839 | #include "state.h" |
773 | #undef VAR |
840 | #endif |
774 | } |
841 | } |
775 | } |
842 | } |
776 | |
843 | |
777 | /* |
844 | /* |
778 | * allocate various perl stacks. This is almost an exact copy |
845 | * allocate various perl stacks. This is almost an exact copy |
… | |
… | |
784 | # define coro_init_stacks(thx) init_stacks () |
851 | # define coro_init_stacks(thx) init_stacks () |
785 | #else |
852 | #else |
786 | static void |
853 | static void |
787 | coro_init_stacks (pTHX) |
854 | coro_init_stacks (pTHX) |
788 | { |
855 | { |
789 | PL_curstackinfo = new_stackinfo(32, 8); |
856 | PL_curstackinfo = new_stackinfo(32, 4 + SLOT_COUNT); /* 3 is minimum due to perl rounding down in scope.c:GROW() */ |
790 | PL_curstackinfo->si_type = PERLSI_MAIN; |
857 | PL_curstackinfo->si_type = PERLSI_MAIN; |
791 | PL_curstack = PL_curstackinfo->si_stack; |
858 | PL_curstack = PL_curstackinfo->si_stack; |
792 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
859 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
793 | |
860 | |
794 | PL_stack_base = AvARRAY(PL_curstack); |
861 | PL_stack_base = AvARRAY(PL_curstack); |
… | |
… | |
809 | #endif |
876 | #endif |
810 | |
877 | |
811 | New(54,PL_scopestack,8,I32); |
878 | New(54,PL_scopestack,8,I32); |
812 | PL_scopestack_ix = 0; |
879 | PL_scopestack_ix = 0; |
813 | PL_scopestack_max = 8; |
880 | PL_scopestack_max = 8; |
|
|
881 | #if HAS_SCOPESTACK_NAME |
|
|
882 | New(54,PL_scopestack_name,8,const char*); |
|
|
883 | #endif |
814 | |
884 | |
815 | New(54,PL_savestack,24,ANY); |
885 | New(54,PL_savestack,24,ANY); |
816 | PL_savestack_ix = 0; |
886 | PL_savestack_ix = 0; |
817 | PL_savestack_max = 24; |
887 | PL_savestack_max = 24; |
818 | |
888 | |
… | |
… | |
846 | } |
916 | } |
847 | |
917 | |
848 | Safefree (PL_tmps_stack); |
918 | Safefree (PL_tmps_stack); |
849 | Safefree (PL_markstack); |
919 | Safefree (PL_markstack); |
850 | Safefree (PL_scopestack); |
920 | Safefree (PL_scopestack); |
|
|
921 | #if HAS_SCOPESTACK_NAME |
|
|
922 | Safefree (PL_scopestack_name); |
|
|
923 | #endif |
851 | Safefree (PL_savestack); |
924 | Safefree (PL_savestack); |
852 | #if !PERL_VERSION_ATLEAST (5,10,0) |
925 | #if !PERL_VERSION_ATLEAST (5,10,0) |
853 | Safefree (PL_retstack); |
926 | Safefree (PL_retstack); |
854 | #endif |
927 | #endif |
855 | } |
928 | } |
… | |
… | |
901 | #endif |
974 | #endif |
902 | |
975 | |
903 | /* |
976 | /* |
904 | * This overrides the default magic get method of %SIG elements. |
977 | * This overrides the default magic get method of %SIG elements. |
905 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
978 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
906 | * and instead of trying to save and restore the hash elements, we just provide |
979 | * and instead of trying to save and restore the hash elements (extremely slow), |
907 | * readback here. |
980 | * we just provide our own readback here. |
908 | */ |
981 | */ |
909 | static int |
982 | static int ecb_cold |
910 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
983 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
911 | { |
984 | { |
912 | const char *s = MgPV_nolen_const (mg); |
985 | const char *s = MgPV_nolen_const (mg); |
913 | |
986 | |
914 | if (*s == '_') |
987 | if (*s == '_') |
915 | { |
988 | { |
916 | SV **svp = 0; |
989 | SV **svp = 0; |
917 | |
990 | |
918 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
991 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
919 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
992 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
920 | |
993 | |
921 | if (svp) |
994 | if (svp) |
922 | { |
995 | { |
923 | sv_setsv (sv, *svp ? *svp : &PL_sv_undef); |
996 | SV *ssv; |
|
|
997 | |
|
|
998 | if (!*svp) |
|
|
999 | ssv = &PL_sv_undef; |
|
|
1000 | else if (SvTYPE (*svp) == SVt_PVCV) /* perlio directly stores a CV in warnhook. ugh. */ |
|
|
1001 | ssv = sv_2mortal (newRV_inc (*svp)); |
|
|
1002 | else |
|
|
1003 | ssv = *svp; |
|
|
1004 | |
|
|
1005 | sv_setsv (sv, ssv); |
924 | return 0; |
1006 | return 0; |
925 | } |
1007 | } |
926 | } |
1008 | } |
927 | |
1009 | |
928 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
1010 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
929 | } |
1011 | } |
930 | |
1012 | |
931 | static int |
1013 | static int ecb_cold |
932 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
1014 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
933 | { |
1015 | { |
934 | const char *s = MgPV_nolen_const (mg); |
1016 | const char *s = MgPV_nolen_const (mg); |
935 | |
1017 | |
936 | if (*s == '_') |
1018 | if (*s == '_') |
… | |
… | |
950 | } |
1032 | } |
951 | |
1033 | |
952 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
1034 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
953 | } |
1035 | } |
954 | |
1036 | |
955 | static int |
1037 | static int ecb_cold |
956 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
1038 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
957 | { |
1039 | { |
958 | const char *s = MgPV_nolen_const (mg); |
1040 | const char *s = MgPV_nolen_const (mg); |
959 | |
1041 | |
960 | if (*s == '_') |
1042 | if (*s == '_') |
… | |
… | |
995 | return 1; |
1077 | return 1; |
996 | } |
1078 | } |
997 | |
1079 | |
998 | static UNOP init_perl_op; |
1080 | static UNOP init_perl_op; |
999 | |
1081 | |
1000 | static void NOINLINE /* noinline to keep it out of the transfer fast path */ |
1082 | ecb_noinline static void /* noinline to keep it out of the transfer fast path */ |
1001 | init_perl (pTHX_ struct coro *coro) |
1083 | init_perl (pTHX_ struct coro *coro) |
1002 | { |
1084 | { |
1003 | /* |
1085 | /* |
1004 | * emulate part of the perl startup here. |
1086 | * emulate part of the perl startup here. |
1005 | */ |
1087 | */ |
… | |
… | |
1013 | PL_comppad_name_fill = 0; |
1095 | PL_comppad_name_fill = 0; |
1014 | PL_comppad_name_floor = 0; |
1096 | PL_comppad_name_floor = 0; |
1015 | PL_curpm = 0; |
1097 | PL_curpm = 0; |
1016 | PL_curpad = 0; |
1098 | PL_curpad = 0; |
1017 | PL_localizing = 0; |
1099 | PL_localizing = 0; |
1018 | PL_dirty = 0; |
|
|
1019 | PL_restartop = 0; |
1100 | PL_restartop = 0; |
1020 | #if PERL_VERSION_ATLEAST (5,10,0) |
1101 | #if PERL_VERSION_ATLEAST (5,10,0) |
1021 | PL_parser = 0; |
1102 | PL_parser = 0; |
1022 | #endif |
1103 | #endif |
1023 | PL_hints = 0; |
1104 | PL_hints = 0; |
1024 | |
1105 | |
1025 | /* recreate the die/warn hooks */ |
1106 | /* recreate the die/warn hooks */ |
1026 | PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); |
1107 | PL_diehook = SvREFCNT_inc (rv_diehook); |
1027 | PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook); |
1108 | PL_warnhook = SvREFCNT_inc (rv_warnhook); |
1028 | |
1109 | |
1029 | GvSV (PL_defgv) = newSV (0); |
1110 | GvSV (PL_defgv) = newSV (0); |
1030 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1111 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1031 | GvSV (PL_errgv) = newSV (0); |
1112 | GvSV (PL_errgv) = newSV (0); |
1032 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
1113 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
1033 | GvHV (PL_hintgv) = 0; |
1114 | GvHV (PL_hintgv) = 0; |
… | |
… | |
1053 | /* this newly created coroutine might be run on an existing cctx which most |
1134 | /* this newly created coroutine might be run on an existing cctx which most |
1054 | * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. |
1135 | * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. |
1055 | */ |
1136 | */ |
1056 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
1137 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
1057 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
1138 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
|
|
1139 | slf_frame.destroy = 0; |
1058 | |
1140 | |
1059 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
1141 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
1060 | init_perl_op.op_next = PL_op; |
1142 | init_perl_op.op_next = PL_op; |
1061 | init_perl_op.op_type = OP_ENTERSUB; |
1143 | init_perl_op.op_type = OP_ENTERSUB; |
1062 | init_perl_op.op_ppaddr = pp_slf; |
1144 | init_perl_op.op_ppaddr = pp_slf; |
… | |
… | |
1067 | /* copy throw, in case it was set before init_perl */ |
1149 | /* copy throw, in case it was set before init_perl */ |
1068 | CORO_THROW = coro->except; |
1150 | CORO_THROW = coro->except; |
1069 | |
1151 | |
1070 | SWAP_SVS (coro); |
1152 | SWAP_SVS (coro); |
1071 | |
1153 | |
1072 | if (expect_false (enable_times)) |
1154 | if (ecb_expect_false (enable_times)) |
1073 | { |
1155 | { |
1074 | coro_times_update (); |
1156 | coro_times_update (); |
1075 | coro_times_sub (coro); |
1157 | coro_times_sub (coro); |
1076 | } |
1158 | } |
1077 | } |
1159 | } |
… | |
… | |
1101 | destroy_perl (pTHX_ struct coro *coro) |
1183 | destroy_perl (pTHX_ struct coro *coro) |
1102 | { |
1184 | { |
1103 | SV *svf [9]; |
1185 | SV *svf [9]; |
1104 | |
1186 | |
1105 | { |
1187 | { |
|
|
1188 | SV *old_current = SvRV (coro_current); |
1106 | struct coro *current = SvSTATE_current; |
1189 | struct coro *current = SvSTATE (old_current); |
1107 | |
1190 | |
1108 | assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack)); |
1191 | assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack)); |
1109 | |
1192 | |
1110 | save_perl (aTHX_ current); |
1193 | save_perl (aTHX_ current); |
|
|
1194 | |
|
|
1195 | /* this will cause transfer_check to croak on block*/ |
|
|
1196 | SvRV_set (coro_current, (SV *)coro->hv); |
|
|
1197 | |
1111 | load_perl (aTHX_ coro); |
1198 | load_perl (aTHX_ coro); |
1112 | |
1199 | |
1113 | coro_unwind_stacks (aTHX); |
1200 | coro_unwind_stacks (aTHX); |
1114 | coro_destruct_stacks (aTHX); |
|
|
1115 | |
1201 | |
1116 | /* restore swapped sv's */ |
1202 | /* restore swapped sv's */ |
1117 | SWAP_SVS (coro); |
1203 | SWAP_SVS (coro); |
1118 | |
1204 | |
|
|
1205 | coro_destruct_stacks (aTHX); |
|
|
1206 | |
1119 | // now save some sv's to be free'd later |
1207 | /* now save some sv's to be free'd later */ |
1120 | svf [0] = GvSV (PL_defgv); |
1208 | svf [0] = GvSV (PL_defgv); |
1121 | svf [1] = (SV *)GvAV (PL_defgv); |
1209 | svf [1] = (SV *)GvAV (PL_defgv); |
1122 | svf [2] = GvSV (PL_errgv); |
1210 | svf [2] = GvSV (PL_errgv); |
1123 | svf [3] = (SV *)PL_defoutgv; |
1211 | svf [3] = (SV *)PL_defoutgv; |
1124 | svf [4] = PL_rs; |
1212 | svf [4] = PL_rs; |
… | |
… | |
1126 | svf [6] = (SV *)GvHV (PL_hintgv); |
1214 | svf [6] = (SV *)GvHV (PL_hintgv); |
1127 | svf [7] = PL_diehook; |
1215 | svf [7] = PL_diehook; |
1128 | svf [8] = PL_warnhook; |
1216 | svf [8] = PL_warnhook; |
1129 | assert (9 == sizeof (svf) / sizeof (*svf)); |
1217 | assert (9 == sizeof (svf) / sizeof (*svf)); |
1130 | |
1218 | |
|
|
1219 | SvRV_set (coro_current, old_current); |
|
|
1220 | |
1131 | load_perl (aTHX_ current); |
1221 | load_perl (aTHX_ current); |
1132 | } |
1222 | } |
1133 | |
1223 | |
1134 | { |
1224 | { |
1135 | unsigned int i; |
1225 | unsigned int i; |
… | |
… | |
1142 | SvREFCNT_dec (coro->invoke_cb); |
1232 | SvREFCNT_dec (coro->invoke_cb); |
1143 | SvREFCNT_dec (coro->invoke_av); |
1233 | SvREFCNT_dec (coro->invoke_av); |
1144 | } |
1234 | } |
1145 | } |
1235 | } |
1146 | |
1236 | |
1147 | INLINE void |
1237 | ecb_inline void |
1148 | free_coro_mortal (pTHX) |
1238 | free_coro_mortal (pTHX) |
1149 | { |
1239 | { |
1150 | if (expect_true (coro_mortal)) |
1240 | if (ecb_expect_true (coro_mortal)) |
1151 | { |
1241 | { |
1152 | SvREFCNT_dec (coro_mortal); |
1242 | SvREFCNT_dec ((SV *)coro_mortal); |
1153 | coro_mortal = 0; |
1243 | coro_mortal = 0; |
1154 | } |
1244 | } |
1155 | } |
1245 | } |
1156 | |
1246 | |
1157 | static int |
1247 | static int |
… | |
… | |
1290 | |
1380 | |
1291 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1381 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1292 | } |
1382 | } |
1293 | |
1383 | |
1294 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1384 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1295 | static void NOINLINE |
1385 | static void ecb_noinline |
1296 | cctx_prepare (pTHX) |
1386 | cctx_prepare (pTHX) |
1297 | { |
1387 | { |
1298 | PL_top_env = &PL_start_env; |
1388 | PL_top_env = &PL_start_env; |
1299 | |
1389 | |
1300 | if (cctx_current->flags & CC_TRACE) |
1390 | if (cctx_current->flags & CC_TRACE) |
… | |
… | |
1311 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1401 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1312 | slf_frame.check = slf_check_set_stacklevel; |
1402 | slf_frame.check = slf_check_set_stacklevel; |
1313 | } |
1403 | } |
1314 | |
1404 | |
1315 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1405 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1316 | INLINE void |
1406 | ecb_inline void |
1317 | transfer_tail (pTHX) |
1407 | transfer_tail (pTHX) |
1318 | { |
1408 | { |
1319 | free_coro_mortal (aTHX); |
1409 | free_coro_mortal (aTHX); |
|
|
1410 | } |
|
|
1411 | |
|
|
1412 | /* try to exit the same way perl's main function would do */ |
|
|
1413 | /* we do not bother resetting the environment or other things *7 |
|
|
1414 | /* that are not, uhm, essential */ |
|
|
1415 | /* this obviously also doesn't work when perl is embedded */ |
|
|
1416 | static void ecb_noinline ecb_cold |
|
|
1417 | perlish_exit (pTHX) |
|
|
1418 | { |
|
|
1419 | int exitstatus = perl_destruct (PL_curinterp); |
|
|
1420 | perl_free (PL_curinterp); |
|
|
1421 | exit (exitstatus); |
1320 | } |
1422 | } |
1321 | |
1423 | |
1322 | /* |
1424 | /* |
1323 | * this is a _very_ stripped down perl interpreter ;) |
1425 | * this is a _very_ stripped down perl interpreter ;) |
1324 | */ |
1426 | */ |
… | |
… | |
1353 | */ |
1455 | */ |
1354 | |
1456 | |
1355 | /* |
1457 | /* |
1356 | * If perl-run returns we assume exit() was being called or the coro |
1458 | * If perl-run returns we assume exit() was being called or the coro |
1357 | * fell off the end, which seems to be the only valid (non-bug) |
1459 | * fell off the end, which seems to be the only valid (non-bug) |
1358 | * reason for perl_run to return. We try to exit by jumping to the |
1460 | * reason for perl_run to return. We try to mimic whatever perl is normally |
1359 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
1461 | * doing in that case. YMMV. |
1360 | * coroutine as Coro has no such concept. |
|
|
1361 | * This actually isn't valid with the pthread backend, but OSes requiring |
|
|
1362 | * that backend are too broken to do it in a standards-compliant way. |
|
|
1363 | */ |
1462 | */ |
1364 | PL_top_env = main_top_env; |
1463 | perlish_exit (aTHX); |
1365 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
|
|
1366 | } |
1464 | } |
1367 | } |
1465 | } |
1368 | |
1466 | |
1369 | static coro_cctx * |
1467 | static coro_cctx * |
1370 | cctx_new () |
1468 | cctx_new (void) |
1371 | { |
1469 | { |
1372 | coro_cctx *cctx; |
1470 | coro_cctx *cctx; |
1373 | |
1471 | |
1374 | ++cctx_count; |
1472 | ++cctx_count; |
1375 | New (0, cctx, 1, coro_cctx); |
1473 | New (0, cctx, 1, coro_cctx); |
… | |
… | |
1381 | return cctx; |
1479 | return cctx; |
1382 | } |
1480 | } |
1383 | |
1481 | |
1384 | /* create a new cctx only suitable as source */ |
1482 | /* create a new cctx only suitable as source */ |
1385 | static coro_cctx * |
1483 | static coro_cctx * |
1386 | cctx_new_empty () |
1484 | cctx_new_empty (void) |
1387 | { |
1485 | { |
1388 | coro_cctx *cctx = cctx_new (); |
1486 | coro_cctx *cctx = cctx_new (); |
1389 | |
1487 | |
1390 | cctx->sptr = 0; |
1488 | cctx->stack.sptr = 0; |
1391 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
1489 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
1392 | |
1490 | |
1393 | return cctx; |
1491 | return cctx; |
1394 | } |
1492 | } |
1395 | |
1493 | |
1396 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1494 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1397 | static coro_cctx * |
1495 | static coro_cctx * |
1398 | cctx_new_run () |
1496 | cctx_new_run (void) |
1399 | { |
1497 | { |
1400 | coro_cctx *cctx = cctx_new (); |
1498 | coro_cctx *cctx = cctx_new (); |
1401 | void *stack_start; |
|
|
1402 | size_t stack_size; |
|
|
1403 | |
1499 | |
1404 | #if HAVE_MMAP |
1500 | if (!coro_stack_alloc (&cctx->stack, cctx_stacksize)) |
1405 | cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
|
|
1406 | /* mmap supposedly does allocate-on-write for us */ |
|
|
1407 | cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
|
|
1408 | |
|
|
1409 | if (cctx->sptr != (void *)-1) |
|
|
1410 | { |
|
|
1411 | #if CORO_STACKGUARD |
|
|
1412 | mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); |
|
|
1413 | #endif |
|
|
1414 | stack_start = (char *)cctx->sptr + CORO_STACKGUARD * PAGESIZE; |
|
|
1415 | stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE; |
|
|
1416 | cctx->flags |= CC_MAPPED; |
|
|
1417 | } |
1501 | { |
1418 | else |
|
|
1419 | #endif |
|
|
1420 | { |
|
|
1421 | cctx->ssize = cctx_stacksize * (long)sizeof (long); |
|
|
1422 | New (0, cctx->sptr, cctx_stacksize, long); |
|
|
1423 | |
|
|
1424 | if (!cctx->sptr) |
|
|
1425 | { |
|
|
1426 | perror ("FATAL: unable to allocate stack for coroutine, exiting."); |
1502 | perror ("FATAL: unable to allocate stack for coroutine, exiting."); |
1427 | _exit (EXIT_FAILURE); |
1503 | _exit (EXIT_FAILURE); |
1428 | } |
|
|
1429 | |
|
|
1430 | stack_start = cctx->sptr; |
|
|
1431 | stack_size = cctx->ssize; |
|
|
1432 | } |
1504 | } |
1433 | |
1505 | |
1434 | #if CORO_USE_VALGRIND |
|
|
1435 | cctx->valgrind_id = VALGRIND_STACK_REGISTER ((char *)stack_start, (char *)stack_start + stack_size); |
|
|
1436 | #endif |
|
|
1437 | |
|
|
1438 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size); |
1506 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, cctx->stack.sptr, cctx->stack.ssze); |
1439 | |
1507 | |
1440 | return cctx; |
1508 | return cctx; |
1441 | } |
1509 | } |
1442 | |
1510 | |
1443 | static void |
1511 | static void |
1444 | cctx_destroy (coro_cctx *cctx) |
1512 | cctx_destroy (coro_cctx *cctx) |
1445 | { |
1513 | { |
1446 | if (!cctx) |
1514 | if (!cctx) |
1447 | return; |
1515 | return; |
1448 | |
1516 | |
1449 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));//D temporary? |
1517 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current)); |
1450 | |
1518 | |
1451 | --cctx_count; |
1519 | --cctx_count; |
1452 | coro_destroy (&cctx->cctx); |
1520 | coro_destroy (&cctx->cctx); |
1453 | |
1521 | |
1454 | /* coro_transfer creates new, empty cctx's */ |
1522 | coro_stack_free (&cctx->stack); |
1455 | if (cctx->sptr) |
|
|
1456 | { |
|
|
1457 | #if CORO_USE_VALGRIND |
|
|
1458 | VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); |
|
|
1459 | #endif |
|
|
1460 | |
|
|
1461 | #if HAVE_MMAP |
|
|
1462 | if (cctx->flags & CC_MAPPED) |
|
|
1463 | munmap (cctx->sptr, cctx->ssize); |
|
|
1464 | else |
|
|
1465 | #endif |
|
|
1466 | Safefree (cctx->sptr); |
|
|
1467 | } |
|
|
1468 | |
1523 | |
1469 | Safefree (cctx); |
1524 | Safefree (cctx); |
1470 | } |
1525 | } |
1471 | |
1526 | |
1472 | /* wether this cctx should be destructed */ |
1527 | /* wether this cctx should be destructed */ |
1473 | #define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) |
1528 | #define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) |
1474 | |
1529 | |
1475 | static coro_cctx * |
1530 | static coro_cctx * |
1476 | cctx_get (pTHX) |
1531 | cctx_get (pTHX) |
1477 | { |
1532 | { |
1478 | while (expect_true (cctx_first)) |
1533 | while (ecb_expect_true (cctx_first)) |
1479 | { |
1534 | { |
1480 | coro_cctx *cctx = cctx_first; |
1535 | coro_cctx *cctx = cctx_first; |
1481 | cctx_first = cctx->next; |
1536 | cctx_first = cctx->next; |
1482 | --cctx_idle; |
1537 | --cctx_idle; |
1483 | |
1538 | |
1484 | if (expect_true (!CCTX_EXPIRED (cctx))) |
1539 | if (ecb_expect_true (!CCTX_EXPIRED (cctx))) |
1485 | return cctx; |
1540 | return cctx; |
1486 | |
1541 | |
1487 | cctx_destroy (cctx); |
1542 | cctx_destroy (cctx); |
1488 | } |
1543 | } |
1489 | |
1544 | |
… | |
… | |
1491 | } |
1546 | } |
1492 | |
1547 | |
1493 | static void |
1548 | static void |
1494 | cctx_put (coro_cctx *cctx) |
1549 | cctx_put (coro_cctx *cctx) |
1495 | { |
1550 | { |
1496 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr)); |
1551 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->stack.sptr)); |
1497 | |
1552 | |
1498 | /* free another cctx if overlimit */ |
1553 | /* free another cctx if overlimit */ |
1499 | if (expect_false (cctx_idle >= cctx_max_idle)) |
1554 | if (ecb_expect_false (cctx_idle >= cctx_max_idle)) |
1500 | { |
1555 | { |
1501 | coro_cctx *first = cctx_first; |
1556 | coro_cctx *first = cctx_first; |
1502 | cctx_first = first->next; |
1557 | cctx_first = first->next; |
1503 | --cctx_idle; |
1558 | --cctx_idle; |
1504 | |
1559 | |
… | |
… | |
1515 | static void |
1570 | static void |
1516 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1571 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1517 | { |
1572 | { |
1518 | /* TODO: throwing up here is considered harmful */ |
1573 | /* TODO: throwing up here is considered harmful */ |
1519 | |
1574 | |
1520 | if (expect_true (prev != next)) |
1575 | if (ecb_expect_true (prev != next)) |
1521 | { |
1576 | { |
1522 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1577 | if (ecb_expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1523 | croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); |
1578 | croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); |
1524 | |
1579 | |
1525 | if (expect_false (next->flags & (CF_RUNNING | CF_DESTROYED | CF_SUSPENDED))) |
1580 | if (ecb_expect_false (next->flags & (CF_RUNNING | CF_ZOMBIE | CF_SUSPENDED))) |
1526 | croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); |
1581 | croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); |
1527 | |
1582 | |
1528 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1583 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1529 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1584 | if (ecb_expect_false (PL_lex_state != LEX_NOTPARSING)) |
1530 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1585 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1531 | #endif |
1586 | #endif |
1532 | } |
1587 | } |
1533 | } |
1588 | } |
1534 | |
1589 | |
1535 | /* always use the TRANSFER macro */ |
1590 | /* always use the TRANSFER macro */ |
1536 | static void NOINLINE /* noinline so we have a fixed stackframe */ |
1591 | static void ecb_noinline /* noinline so we have a fixed stackframe */ |
1537 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1592 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1538 | { |
1593 | { |
1539 | dSTACKLEVEL; |
1594 | dSTACKLEVEL; |
1540 | |
1595 | |
1541 | /* sometimes transfer is only called to set idle_sp */ |
1596 | /* sometimes transfer is only called to set idle_sp */ |
1542 | if (expect_false (!prev)) |
1597 | if (ecb_expect_false (!prev)) |
1543 | { |
1598 | { |
1544 | cctx_current->idle_sp = STACKLEVEL; |
1599 | cctx_current->idle_sp = STACKLEVEL; |
1545 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1600 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1546 | } |
1601 | } |
1547 | else if (expect_true (prev != next)) |
1602 | else if (ecb_expect_true (prev != next)) |
1548 | { |
1603 | { |
1549 | coro_cctx *cctx_prev; |
1604 | coro_cctx *cctx_prev; |
1550 | |
1605 | |
1551 | if (expect_false (prev->flags & CF_NEW)) |
1606 | if (ecb_expect_false (prev->flags & CF_NEW)) |
1552 | { |
1607 | { |
1553 | /* create a new empty/source context */ |
1608 | /* create a new empty/source context */ |
1554 | prev->flags &= ~CF_NEW; |
1609 | prev->flags &= ~CF_NEW; |
1555 | prev->flags |= CF_RUNNING; |
1610 | prev->flags |= CF_RUNNING; |
1556 | } |
1611 | } |
… | |
… | |
1559 | next->flags |= CF_RUNNING; |
1614 | next->flags |= CF_RUNNING; |
1560 | |
1615 | |
1561 | /* first get rid of the old state */ |
1616 | /* first get rid of the old state */ |
1562 | save_perl (aTHX_ prev); |
1617 | save_perl (aTHX_ prev); |
1563 | |
1618 | |
1564 | if (expect_false (next->flags & CF_NEW)) |
1619 | if (ecb_expect_false (next->flags & CF_NEW)) |
1565 | { |
1620 | { |
1566 | /* need to start coroutine */ |
1621 | /* need to start coroutine */ |
1567 | next->flags &= ~CF_NEW; |
1622 | next->flags &= ~CF_NEW; |
1568 | /* setup coroutine call */ |
1623 | /* setup coroutine call */ |
1569 | init_perl (aTHX_ next); |
1624 | init_perl (aTHX_ next); |
1570 | } |
1625 | } |
1571 | else |
1626 | else |
1572 | load_perl (aTHX_ next); |
1627 | load_perl (aTHX_ next); |
1573 | |
1628 | |
1574 | /* possibly untie and reuse the cctx */ |
1629 | /* possibly untie and reuse the cctx */ |
1575 | if (expect_true ( |
1630 | if (ecb_expect_true ( |
1576 | cctx_current->idle_sp == STACKLEVEL |
1631 | cctx_current->idle_sp == STACKLEVEL |
1577 | && !(cctx_current->flags & CC_TRACE) |
1632 | && !(cctx_current->flags & CC_TRACE) |
1578 | && !force_cctx |
1633 | && !force_cctx |
1579 | )) |
1634 | )) |
1580 | { |
1635 | { |
1581 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1636 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1582 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1637 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1583 | |
1638 | |
1584 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1639 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1585 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1640 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1586 | if (expect_false (CCTX_EXPIRED (cctx_current))) |
1641 | if (ecb_expect_false (CCTX_EXPIRED (cctx_current))) |
1587 | if (expect_true (!next->cctx)) |
1642 | if (ecb_expect_true (!next->cctx)) |
1588 | next->cctx = cctx_get (aTHX); |
1643 | next->cctx = cctx_get (aTHX); |
1589 | |
1644 | |
1590 | cctx_put (cctx_current); |
1645 | cctx_put (cctx_current); |
1591 | } |
1646 | } |
1592 | else |
1647 | else |
1593 | prev->cctx = cctx_current; |
1648 | prev->cctx = cctx_current; |
1594 | |
1649 | |
1595 | ++next->usecount; |
1650 | ++next->usecount; |
1596 | |
1651 | |
1597 | cctx_prev = cctx_current; |
1652 | cctx_prev = cctx_current; |
1598 | cctx_current = expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1653 | cctx_current = ecb_expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1599 | |
1654 | |
1600 | next->cctx = 0; |
1655 | next->cctx = 0; |
1601 | |
1656 | |
1602 | if (expect_false (cctx_prev != cctx_current)) |
1657 | if (ecb_expect_false (cctx_prev != cctx_current)) |
1603 | { |
1658 | { |
1604 | cctx_prev->top_env = PL_top_env; |
1659 | cctx_prev->top_env = PL_top_env; |
1605 | PL_top_env = cctx_current->top_env; |
1660 | PL_top_env = cctx_current->top_env; |
1606 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1661 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1607 | } |
1662 | } |
… | |
… | |
1613 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1668 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1614 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1669 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1615 | |
1670 | |
1616 | /** high level stuff ********************************************************/ |
1671 | /** high level stuff ********************************************************/ |
1617 | |
1672 | |
|
|
1673 | /* this function is actually Coro, not Coro::State, but we call it from here */ |
|
|
1674 | /* because it is convenient - but it hasn't been declared yet for that reason */ |
1618 | static int |
1675 | static void |
|
|
1676 | coro_call_on_destroy (pTHX_ struct coro *coro); |
|
|
1677 | |
|
|
1678 | static void |
1619 | coro_state_destroy (pTHX_ struct coro *coro) |
1679 | coro_state_destroy (pTHX_ struct coro *coro) |
1620 | { |
1680 | { |
1621 | if (coro->flags & CF_DESTROYED) |
1681 | if (coro->flags & CF_ZOMBIE) |
1622 | return 0; |
1682 | return; |
1623 | |
1683 | |
1624 | if (coro->on_destroy && !PL_dirty) |
|
|
1625 | coro->on_destroy (aTHX_ coro); |
1684 | slf_destroy (aTHX_ coro); |
1626 | |
1685 | |
1627 | coro->flags |= CF_DESTROYED; |
1686 | coro->flags |= CF_ZOMBIE; |
1628 | |
1687 | |
1629 | if (coro->flags & CF_READY) |
1688 | if (coro->flags & CF_READY) |
1630 | { |
1689 | { |
1631 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1690 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1632 | /* alternative: look through all ready queues and remove the coro */ |
1691 | /* alternative: look through all ready queues and remove the coro */ |
1633 | --coro_nready; |
1692 | --coro_nready; |
1634 | } |
1693 | } |
1635 | else |
1694 | else |
1636 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
1695 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
|
|
1696 | |
|
|
1697 | if (coro->next) coro->next->prev = coro->prev; |
|
|
1698 | if (coro->prev) coro->prev->next = coro->next; |
|
|
1699 | if (coro == coro_first) coro_first = coro->next; |
1637 | |
1700 | |
1638 | if (coro->mainstack |
1701 | if (coro->mainstack |
1639 | && coro->mainstack != main_mainstack |
1702 | && coro->mainstack != main_mainstack |
1640 | && coro->slot |
1703 | && coro->slot |
1641 | && !PL_dirty) |
1704 | && !PL_dirty) |
1642 | destroy_perl (aTHX_ coro); |
1705 | destroy_perl (aTHX_ coro); |
1643 | |
1706 | |
1644 | if (coro->next) coro->next->prev = coro->prev; |
|
|
1645 | if (coro->prev) coro->prev->next = coro->next; |
|
|
1646 | if (coro == coro_first) coro_first = coro->next; |
|
|
1647 | |
|
|
1648 | cctx_destroy (coro->cctx); |
1707 | cctx_destroy (coro->cctx); |
1649 | SvREFCNT_dec (coro->startcv); |
1708 | SvREFCNT_dec (coro->startcv); |
1650 | SvREFCNT_dec (coro->args); |
1709 | SvREFCNT_dec (coro->args); |
1651 | SvREFCNT_dec (coro->swap_sv); |
1710 | SvREFCNT_dec (coro->swap_sv); |
1652 | SvREFCNT_dec (CORO_THROW); |
1711 | SvREFCNT_dec (CORO_THROW); |
1653 | |
1712 | |
1654 | return 1; |
1713 | coro_call_on_destroy (aTHX_ coro); |
|
|
1714 | |
|
|
1715 | /* more destruction mayhem in coro_state_free */ |
1655 | } |
1716 | } |
1656 | |
1717 | |
1657 | static int |
1718 | static int |
1658 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1719 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1659 | { |
1720 | { |
1660 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1721 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1661 | mg->mg_ptr = 0; |
1722 | mg->mg_ptr = 0; |
1662 | |
1723 | |
1663 | coro->hv = 0; |
|
|
1664 | |
|
|
1665 | if (--coro->refcnt < 0) |
|
|
1666 | { |
|
|
1667 | coro_state_destroy (aTHX_ coro); |
1724 | coro_state_destroy (aTHX_ coro); |
|
|
1725 | SvREFCNT_dec (coro->on_destroy); |
|
|
1726 | SvREFCNT_dec (coro->status); |
|
|
1727 | |
1668 | Safefree (coro); |
1728 | Safefree (coro); |
1669 | } |
|
|
1670 | |
1729 | |
1671 | return 0; |
1730 | return 0; |
1672 | } |
1731 | } |
1673 | |
1732 | |
1674 | static int |
1733 | static int ecb_cold |
1675 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1734 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1676 | { |
1735 | { |
1677 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1736 | /* called when perl clones the current process the slow way (windows process emulation) */ |
1678 | |
1737 | /* WE SIMply nuke the pointers in the copy, causing perl to croak */ |
1679 | ++coro->refcnt; |
1738 | mg->mg_ptr = 0; |
|
|
1739 | mg->mg_virtual = 0; |
1680 | |
1740 | |
1681 | return 0; |
1741 | return 0; |
1682 | } |
1742 | } |
1683 | |
1743 | |
1684 | static MGVTBL coro_state_vtbl = { |
1744 | static MGVTBL coro_state_vtbl = { |
… | |
… | |
1709 | TRANSFER (ta, 1); |
1769 | TRANSFER (ta, 1); |
1710 | } |
1770 | } |
1711 | |
1771 | |
1712 | /** Coro ********************************************************************/ |
1772 | /** Coro ********************************************************************/ |
1713 | |
1773 | |
1714 | INLINE void |
1774 | ecb_inline void |
1715 | coro_enq (pTHX_ struct coro *coro) |
1775 | coro_enq (pTHX_ struct coro *coro) |
1716 | { |
1776 | { |
1717 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1777 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1718 | |
1778 | |
1719 | SvREFCNT_inc_NN (coro->hv); |
1779 | SvREFCNT_inc_NN (coro->hv); |
… | |
… | |
1721 | coro->next_ready = 0; |
1781 | coro->next_ready = 0; |
1722 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
1782 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
1723 | ready [1] = coro; |
1783 | ready [1] = coro; |
1724 | } |
1784 | } |
1725 | |
1785 | |
1726 | INLINE struct coro * |
1786 | ecb_inline struct coro * |
1727 | coro_deq (pTHX) |
1787 | coro_deq (pTHX) |
1728 | { |
1788 | { |
1729 | int prio; |
1789 | int prio; |
1730 | |
1790 | |
1731 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
1791 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
… | |
… | |
1784 | { |
1844 | { |
1785 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1845 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1786 | } |
1846 | } |
1787 | |
1847 | |
1788 | /* expects to own a reference to next->hv */ |
1848 | /* expects to own a reference to next->hv */ |
1789 | INLINE void |
1849 | ecb_inline void |
1790 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1850 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1791 | { |
1851 | { |
1792 | SV *prev_sv = SvRV (coro_current); |
1852 | SV *prev_sv = SvRV (coro_current); |
1793 | |
1853 | |
1794 | ta->prev = SvSTATE_hv (prev_sv); |
1854 | ta->prev = SvSTATE_hv (prev_sv); |
… | |
… | |
1807 | { |
1867 | { |
1808 | for (;;) |
1868 | for (;;) |
1809 | { |
1869 | { |
1810 | struct coro *next = coro_deq (aTHX); |
1870 | struct coro *next = coro_deq (aTHX); |
1811 | |
1871 | |
1812 | if (expect_true (next)) |
1872 | if (ecb_expect_true (next)) |
1813 | { |
1873 | { |
1814 | /* cannot transfer to destroyed coros, skip and look for next */ |
1874 | /* cannot transfer to destroyed coros, skip and look for next */ |
1815 | if (expect_false (next->flags & (CF_DESTROYED | CF_SUSPENDED))) |
1875 | if (ecb_expect_false (next->flags & (CF_ZOMBIE | CF_SUSPENDED))) |
1816 | SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ |
1876 | SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ |
1817 | else |
1877 | else |
1818 | { |
1878 | { |
1819 | next->flags &= ~CF_READY; |
1879 | next->flags &= ~CF_READY; |
1820 | --coro_nready; |
1880 | --coro_nready; |
… | |
… | |
1853 | } |
1913 | } |
1854 | } |
1914 | } |
1855 | } |
1915 | } |
1856 | } |
1916 | } |
1857 | |
1917 | |
1858 | INLINE void |
1918 | ecb_inline void |
1859 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1919 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1860 | { |
1920 | { |
1861 | api_ready (aTHX_ coro_current); |
1921 | api_ready (aTHX_ coro_current); |
1862 | prepare_schedule (aTHX_ ta); |
1922 | prepare_schedule (aTHX_ ta); |
1863 | } |
1923 | } |
1864 | |
1924 | |
1865 | INLINE void |
1925 | ecb_inline void |
1866 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
1926 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
1867 | { |
1927 | { |
1868 | SV *prev = SvRV (coro_current); |
1928 | SV *prev = SvRV (coro_current); |
1869 | |
1929 | |
1870 | if (coro_nready) |
1930 | if (coro_nready) |
… | |
… | |
1900 | { |
1960 | { |
1901 | struct coro_transfer_args ta; |
1961 | struct coro_transfer_args ta; |
1902 | |
1962 | |
1903 | prepare_cede (aTHX_ &ta); |
1963 | prepare_cede (aTHX_ &ta); |
1904 | |
1964 | |
1905 | if (expect_true (ta.prev != ta.next)) |
1965 | if (ecb_expect_true (ta.prev != ta.next)) |
1906 | { |
1966 | { |
1907 | TRANSFER (ta, 1); |
1967 | TRANSFER (ta, 1); |
1908 | return 1; |
1968 | return 1; |
1909 | } |
1969 | } |
1910 | else |
1970 | else |
… | |
… | |
1953 | coro->slot->runops = RUNOPS_DEFAULT; |
2013 | coro->slot->runops = RUNOPS_DEFAULT; |
1954 | } |
2014 | } |
1955 | } |
2015 | } |
1956 | |
2016 | |
1957 | static void |
2017 | static void |
|
|
2018 | coro_push_av (pTHX_ AV *av, I32 gimme_v) |
|
|
2019 | { |
|
|
2020 | if (AvFILLp (av) >= 0 && gimme_v != G_VOID) |
|
|
2021 | { |
|
|
2022 | dSP; |
|
|
2023 | |
|
|
2024 | if (gimme_v == G_SCALAR) |
|
|
2025 | XPUSHs (AvARRAY (av)[AvFILLp (av)]); |
|
|
2026 | else |
|
|
2027 | { |
|
|
2028 | int i; |
|
|
2029 | EXTEND (SP, AvFILLp (av) + 1); |
|
|
2030 | |
|
|
2031 | for (i = 0; i <= AvFILLp (av); ++i) |
|
|
2032 | PUSHs (AvARRAY (av)[i]); |
|
|
2033 | } |
|
|
2034 | |
|
|
2035 | PUTBACK; |
|
|
2036 | } |
|
|
2037 | } |
|
|
2038 | |
|
|
2039 | static void |
|
|
2040 | coro_push_on_destroy (pTHX_ struct coro *coro, SV *cb) |
|
|
2041 | { |
|
|
2042 | if (!coro->on_destroy) |
|
|
2043 | coro->on_destroy = newAV (); |
|
|
2044 | |
|
|
2045 | av_push (coro->on_destroy, cb); |
|
|
2046 | } |
|
|
2047 | |
|
|
2048 | static void |
|
|
2049 | slf_destroy_join (pTHX_ struct CoroSLF *frame) |
|
|
2050 | { |
|
|
2051 | SvREFCNT_dec ((SV *)((struct coro *)frame->data)->hv); |
|
|
2052 | } |
|
|
2053 | |
|
|
2054 | static int |
|
|
2055 | slf_check_join (pTHX_ struct CoroSLF *frame) |
|
|
2056 | { |
|
|
2057 | struct coro *coro = (struct coro *)frame->data; |
|
|
2058 | |
|
|
2059 | if (!coro->status) |
|
|
2060 | return 1; |
|
|
2061 | |
|
|
2062 | frame->destroy = 0; |
|
|
2063 | |
|
|
2064 | coro_push_av (aTHX_ coro->status, GIMME_V); |
|
|
2065 | |
|
|
2066 | SvREFCNT_dec ((SV *)coro->hv); |
|
|
2067 | |
|
|
2068 | return 0; |
|
|
2069 | } |
|
|
2070 | |
|
|
2071 | static void |
|
|
2072 | slf_init_join (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2073 | { |
|
|
2074 | struct coro *coro = SvSTATE (items > 0 ? arg [0] : &PL_sv_undef); |
|
|
2075 | |
|
|
2076 | if (items > 1) |
|
|
2077 | croak ("join called with too many arguments"); |
|
|
2078 | |
|
|
2079 | if (coro->status) |
|
|
2080 | frame->prepare = prepare_nop; |
|
|
2081 | else |
|
|
2082 | { |
|
|
2083 | coro_push_on_destroy (aTHX_ coro, SvREFCNT_inc_NN (SvRV (coro_current))); |
|
|
2084 | frame->prepare = prepare_schedule; |
|
|
2085 | } |
|
|
2086 | |
|
|
2087 | frame->check = slf_check_join; |
|
|
2088 | frame->destroy = slf_destroy_join; |
|
|
2089 | frame->data = (void *)coro; |
|
|
2090 | SvREFCNT_inc (coro->hv); |
|
|
2091 | } |
|
|
2092 | |
|
|
2093 | static void |
1958 | coro_call_on_destroy (pTHX_ struct coro *coro) |
2094 | coro_call_on_destroy (pTHX_ struct coro *coro) |
1959 | { |
2095 | { |
1960 | SV **on_destroyp = hv_fetch (coro->hv, "_on_destroy", sizeof ("_on_destroy") - 1, 0); |
2096 | AV *od = coro->on_destroy; |
1961 | SV **statusp = hv_fetch (coro->hv, "_status", sizeof ("_status") - 1, 0); |
|
|
1962 | |
2097 | |
1963 | if (on_destroyp) |
2098 | if (!od) |
1964 | { |
2099 | return; |
1965 | AV *on_destroy = (AV *)SvRV (*on_destroyp); |
|
|
1966 | |
2100 | |
1967 | while (AvFILLp (on_destroy) >= 0) |
2101 | while (AvFILLp (od) >= 0) |
|
|
2102 | { |
|
|
2103 | SV *cb = sv_2mortal (av_pop (od)); |
|
|
2104 | |
|
|
2105 | /* coro hv's (and only hv's at the moment) are supported as well */ |
|
|
2106 | if (SvSTATEhv_p (aTHX_ cb)) |
|
|
2107 | api_ready (aTHX_ cb); |
|
|
2108 | else |
1968 | { |
2109 | { |
1969 | dSP; /* don't disturb outer sp */ |
2110 | dSP; /* don't disturb outer sp */ |
1970 | SV *cb = av_pop (on_destroy); |
|
|
1971 | |
|
|
1972 | PUSHMARK (SP); |
2111 | PUSHMARK (SP); |
1973 | |
2112 | |
1974 | if (statusp) |
2113 | if (coro->status) |
1975 | { |
2114 | { |
1976 | int i; |
2115 | PUTBACK; |
1977 | AV *status = (AV *)SvRV (*statusp); |
2116 | coro_push_av (aTHX_ coro->status, G_ARRAY); |
1978 | EXTEND (SP, AvFILLp (status) + 1); |
2117 | SPAGAIN; |
1979 | |
|
|
1980 | for (i = 0; i <= AvFILLp (status); ++i) |
|
|
1981 | PUSHs (AvARRAY (status)[i]); |
|
|
1982 | } |
2118 | } |
1983 | |
2119 | |
1984 | PUTBACK; |
2120 | PUTBACK; |
1985 | call_sv (sv_2mortal (cb), G_VOID | G_DISCARD); |
2121 | call_sv (cb, G_VOID | G_DISCARD); |
1986 | } |
2122 | } |
1987 | } |
2123 | } |
1988 | } |
2124 | } |
1989 | |
2125 | |
1990 | static void |
2126 | static void |
1991 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2127 | coro_set_status (pTHX_ struct coro *coro, SV **arg, int items) |
1992 | { |
2128 | { |
1993 | int i; |
2129 | AV *av; |
1994 | HV *hv = (HV *)SvRV (coro_current); |
2130 | |
1995 | AV *av = newAV (); |
2131 | if (coro->status) |
|
|
2132 | { |
|
|
2133 | av = coro->status; |
|
|
2134 | av_clear (av); |
|
|
2135 | } |
|
|
2136 | else |
|
|
2137 | av = coro->status = newAV (); |
1996 | |
2138 | |
1997 | /* items are actually not so common, so optimise for this case */ |
2139 | /* items are actually not so common, so optimise for this case */ |
1998 | if (items) |
2140 | if (items) |
1999 | { |
2141 | { |
|
|
2142 | int i; |
|
|
2143 | |
2000 | av_extend (av, items - 1); |
2144 | av_extend (av, items - 1); |
2001 | |
2145 | |
2002 | for (i = 0; i < items; ++i) |
2146 | for (i = 0; i < items; ++i) |
2003 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
2147 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
2004 | } |
2148 | } |
|
|
2149 | } |
2005 | |
2150 | |
2006 | hv_store (hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0); |
2151 | static void |
2007 | |
2152 | slf_init_terminate_cancel_common (pTHX_ struct CoroSLF *frame, HV *coro_hv) |
|
|
2153 | { |
2008 | av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */ |
2154 | av_push (av_destroy, (SV *)newRV_inc ((SV *)coro_hv)); /* RVinc for perl */ |
2009 | api_ready (aTHX_ sv_manager); |
2155 | api_ready (aTHX_ sv_manager); |
2010 | |
2156 | |
2011 | frame->prepare = prepare_schedule; |
2157 | frame->prepare = prepare_schedule; |
2012 | frame->check = slf_check_repeat; |
2158 | frame->check = slf_check_repeat; |
2013 | |
2159 | |
2014 | /* as a minor optimisation, we could unwind all stacks here */ |
2160 | /* as a minor optimisation, we could unwind all stacks here */ |
2015 | /* but that puts extra pressure on pp_slf, and is not worth much */ |
2161 | /* but that puts extra pressure on pp_slf, and is not worth much */ |
2016 | /*coro_unwind_stacks (aTHX);*/ |
2162 | /*coro_unwind_stacks (aTHX);*/ |
|
|
2163 | } |
|
|
2164 | |
|
|
2165 | static void |
|
|
2166 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2167 | { |
|
|
2168 | HV *coro_hv = (HV *)SvRV (coro_current); |
|
|
2169 | |
|
|
2170 | coro_set_status (aTHX_ SvSTATE ((SV *)coro_hv), arg, items); |
|
|
2171 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
|
|
2172 | } |
|
|
2173 | |
|
|
2174 | static void |
|
|
2175 | slf_init_cancel (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2176 | { |
|
|
2177 | HV *coro_hv; |
|
|
2178 | struct coro *coro; |
|
|
2179 | |
|
|
2180 | if (items <= 0) |
|
|
2181 | croak ("Coro::cancel called without coro object,"); |
|
|
2182 | |
|
|
2183 | coro = SvSTATE (arg [0]); |
|
|
2184 | coro_hv = coro->hv; |
|
|
2185 | |
|
|
2186 | coro_set_status (aTHX_ coro, arg + 1, items - 1); |
|
|
2187 | |
|
|
2188 | if (ecb_expect_false (coro->flags & CF_NOCANCEL)) |
|
|
2189 | { |
|
|
2190 | /* coro currently busy cancelling something, so just notify it */ |
|
|
2191 | coro->slf_frame.data = (void *)coro; |
|
|
2192 | |
|
|
2193 | frame->prepare = prepare_nop; |
|
|
2194 | frame->check = slf_check_nop; |
|
|
2195 | } |
|
|
2196 | else if (coro_hv == (HV *)SvRV (coro_current)) |
|
|
2197 | { |
|
|
2198 | /* cancelling the current coro is allowed, and equals terminate */ |
|
|
2199 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
|
|
2200 | } |
|
|
2201 | else |
|
|
2202 | { |
|
|
2203 | struct coro *self = SvSTATE_current; |
|
|
2204 | |
|
|
2205 | /* otherwise we cancel directly, purely for speed reasons |
|
|
2206 | * unfortunately, this requires some magic trickery, as |
|
|
2207 | * somebody else could cancel us, so we have to fight the cancellation. |
|
|
2208 | * this is ugly, and hopefully fully worth the extra speed. |
|
|
2209 | * besides, I can't get the slow-but-safe version working... |
|
|
2210 | */ |
|
|
2211 | slf_frame.data = 0; |
|
|
2212 | self->flags |= CF_NOCANCEL; |
|
|
2213 | coro_state_destroy (aTHX_ coro); |
|
|
2214 | self->flags &= ~CF_NOCANCEL; |
|
|
2215 | |
|
|
2216 | if (slf_frame.data) |
|
|
2217 | { |
|
|
2218 | /* while we were busy we have been cancelled, so terminate */ |
|
|
2219 | slf_init_terminate_cancel_common (aTHX_ frame, self->hv); |
|
|
2220 | } |
|
|
2221 | else |
|
|
2222 | { |
|
|
2223 | frame->prepare = prepare_nop; |
|
|
2224 | frame->check = slf_check_nop; |
|
|
2225 | } |
|
|
2226 | } |
|
|
2227 | } |
|
|
2228 | |
|
|
2229 | static int |
|
|
2230 | slf_check_safe_cancel (pTHX_ struct CoroSLF *frame) |
|
|
2231 | { |
|
|
2232 | frame->prepare = 0; |
|
|
2233 | coro_unwind_stacks (aTHX); |
|
|
2234 | |
|
|
2235 | slf_init_terminate_cancel_common (aTHX_ frame, (HV *)SvRV (coro_current)); |
|
|
2236 | |
|
|
2237 | return 1; |
|
|
2238 | } |
|
|
2239 | |
|
|
2240 | static int |
|
|
2241 | safe_cancel (pTHX_ struct coro *coro, SV **arg, int items) |
|
|
2242 | { |
|
|
2243 | if (coro->cctx) |
|
|
2244 | croak ("coro inside C callback, unable to cancel at this time, caught"); |
|
|
2245 | |
|
|
2246 | if (coro->flags & CF_NEW) |
|
|
2247 | { |
|
|
2248 | coro_set_status (aTHX_ coro, arg, items); |
|
|
2249 | coro_state_destroy (aTHX_ coro); |
|
|
2250 | } |
|
|
2251 | else |
|
|
2252 | { |
|
|
2253 | if (!coro->slf_frame.prepare) |
|
|
2254 | croak ("coro outside an SLF function, unable to cancel at this time, caught"); |
|
|
2255 | |
|
|
2256 | slf_destroy (aTHX_ coro); |
|
|
2257 | |
|
|
2258 | coro_set_status (aTHX_ coro, arg, items); |
|
|
2259 | coro->slf_frame.prepare = prepare_nop; |
|
|
2260 | coro->slf_frame.check = slf_check_safe_cancel; |
|
|
2261 | |
|
|
2262 | api_ready (aTHX_ (SV *)coro->hv); |
|
|
2263 | } |
|
|
2264 | |
|
|
2265 | return 1; |
2017 | } |
2266 | } |
2018 | |
2267 | |
2019 | /*****************************************************************************/ |
2268 | /*****************************************************************************/ |
2020 | /* async pool handler */ |
2269 | /* async pool handler */ |
2021 | |
2270 | |
… | |
… | |
2052 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2301 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2053 | { |
2302 | { |
2054 | HV *hv = (HV *)SvRV (coro_current); |
2303 | HV *hv = (HV *)SvRV (coro_current); |
2055 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
2304 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
2056 | |
2305 | |
2057 | if (expect_true (coro->saved_deffh)) |
2306 | if (ecb_expect_true (coro->saved_deffh)) |
2058 | { |
2307 | { |
2059 | /* subsequent iteration */ |
2308 | /* subsequent iteration */ |
2060 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
2309 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
2061 | coro->saved_deffh = 0; |
2310 | coro->saved_deffh = 0; |
2062 | |
2311 | |
2063 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
2312 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
2064 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
2313 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
2065 | { |
2314 | { |
2066 | coro->invoke_cb = SvREFCNT_inc_NN ((SV *)cv_coro_terminate); |
2315 | slf_init_terminate_cancel_common (aTHX_ frame, hv); |
2067 | coro->invoke_av = newAV (); |
2316 | return; |
2068 | |
|
|
2069 | frame->prepare = prepare_nop; |
|
|
2070 | } |
2317 | } |
2071 | else |
2318 | else |
2072 | { |
2319 | { |
2073 | av_clear (GvAV (PL_defgv)); |
2320 | av_clear (GvAV (PL_defgv)); |
2074 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
2321 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
… | |
… | |
2124 | |
2371 | |
2125 | static int |
2372 | static int |
2126 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
2373 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
2127 | { |
2374 | { |
2128 | SV *data = (SV *)frame->data; |
2375 | SV *data = (SV *)frame->data; |
2129 | |
2376 | |
2130 | if (CORO_THROW) |
2377 | if (CORO_THROW) |
2131 | return 0; |
2378 | return 0; |
2132 | |
2379 | |
2133 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2380 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2134 | return 1; |
2381 | return 1; |
… | |
… | |
2170 | cb = sv_2mortal (coro->rouse_cb); |
2417 | cb = sv_2mortal (coro->rouse_cb); |
2171 | coro->rouse_cb = 0; |
2418 | coro->rouse_cb = 0; |
2172 | } |
2419 | } |
2173 | |
2420 | |
2174 | if (!SvROK (cb) |
2421 | if (!SvROK (cb) |
2175 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2422 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2176 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2423 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2177 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2424 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2178 | |
2425 | |
2179 | { |
2426 | { |
2180 | CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ |
2427 | CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ |
… | |
… | |
2297 | static void |
2544 | static void |
2298 | slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2545 | slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2299 | { |
2546 | { |
2300 | frame->prepare = prepare_cede_notself; |
2547 | frame->prepare = prepare_cede_notself; |
2301 | frame->check = slf_check_nop; |
2548 | frame->check = slf_check_nop; |
|
|
2549 | } |
|
|
2550 | |
|
|
2551 | /* "undo"/cancel a running slf call - used when cancelling a coro, mainly */ |
|
|
2552 | static void |
|
|
2553 | slf_destroy (pTHX_ struct coro *coro) |
|
|
2554 | { |
|
|
2555 | /* this callback is reserved for slf functions needing to do cleanup */ |
|
|
2556 | if (coro->slf_frame.destroy && coro->slf_frame.prepare && !PL_dirty) |
|
|
2557 | coro->slf_frame.destroy (aTHX_ &coro->slf_frame); |
|
|
2558 | |
|
|
2559 | /* |
|
|
2560 | * The on_destroy above most likely is from an SLF call. |
|
|
2561 | * Since by definition the SLF call will not finish when we destroy |
|
|
2562 | * the coro, we will have to force-finish it here, otherwise |
|
|
2563 | * cleanup functions cannot call SLF functions. |
|
|
2564 | */ |
|
|
2565 | coro->slf_frame.prepare = 0; |
2302 | } |
2566 | } |
2303 | |
2567 | |
2304 | /* |
2568 | /* |
2305 | * these not obviously related functions are all rolled into one |
2569 | * these not obviously related functions are all rolled into one |
2306 | * function to increase chances that they all will call transfer with the same |
2570 | * function to increase chances that they all will call transfer with the same |
… | |
… | |
2313 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
2577 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
2314 | |
2578 | |
2315 | /* set up the slf frame, unless it has already been set-up */ |
2579 | /* set up the slf frame, unless it has already been set-up */ |
2316 | /* the latter happens when a new coro has been started */ |
2580 | /* the latter happens when a new coro has been started */ |
2317 | /* or when a new cctx was attached to an existing coroutine */ |
2581 | /* or when a new cctx was attached to an existing coroutine */ |
2318 | if (expect_true (!slf_frame.prepare)) |
2582 | if (ecb_expect_true (!slf_frame.prepare)) |
2319 | { |
2583 | { |
2320 | /* first iteration */ |
2584 | /* first iteration */ |
2321 | dSP; |
2585 | dSP; |
2322 | SV **arg = PL_stack_base + TOPMARK + 1; |
2586 | SV **arg = PL_stack_base + TOPMARK + 1; |
2323 | int items = SP - arg; /* args without function object */ |
2587 | int items = SP - arg; /* args without function object */ |
… | |
… | |
2364 | while (slf_frame.check (aTHX_ &slf_frame)); |
2628 | while (slf_frame.check (aTHX_ &slf_frame)); |
2365 | |
2629 | |
2366 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
2630 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
2367 | |
2631 | |
2368 | /* exception handling */ |
2632 | /* exception handling */ |
2369 | if (expect_false (CORO_THROW)) |
2633 | if (ecb_expect_false (CORO_THROW)) |
2370 | { |
2634 | { |
2371 | SV *exception = sv_2mortal (CORO_THROW); |
2635 | SV *exception = sv_2mortal (CORO_THROW); |
2372 | |
2636 | |
2373 | CORO_THROW = 0; |
2637 | CORO_THROW = 0; |
2374 | sv_setsv (ERRSV, exception); |
2638 | sv_setsv (ERRSV, exception); |
2375 | croak (0); |
2639 | croak (0); |
2376 | } |
2640 | } |
2377 | |
2641 | |
2378 | /* return value handling - mostly like entersub */ |
2642 | /* return value handling - mostly like entersub */ |
2379 | /* make sure we put something on the stack in scalar context */ |
2643 | /* make sure we put something on the stack in scalar context */ |
2380 | if (GIMME_V == G_SCALAR) |
2644 | if (GIMME_V == G_SCALAR |
|
|
2645 | && ecb_expect_false (PL_stack_sp != PL_stack_base + checkmark + 1)) |
2381 | { |
2646 | { |
2382 | dSP; |
2647 | dSP; |
2383 | SV **bot = PL_stack_base + checkmark; |
2648 | SV **bot = PL_stack_base + checkmark; |
2384 | |
2649 | |
2385 | if (sp == bot) /* too few, push undef */ |
2650 | if (sp == bot) /* too few, push undef */ |
2386 | bot [1] = &PL_sv_undef; |
2651 | bot [1] = &PL_sv_undef; |
2387 | else if (sp != bot + 1) /* too many, take last one */ |
2652 | else /* too many, take last one */ |
2388 | bot [1] = *sp; |
2653 | bot [1] = *sp; |
2389 | |
2654 | |
2390 | SP = bot + 1; |
2655 | SP = bot + 1; |
2391 | |
2656 | |
2392 | PUTBACK; |
2657 | PUTBACK; |
… | |
… | |
2499 | { |
2764 | { |
2500 | PerlIOBuf base; |
2765 | PerlIOBuf base; |
2501 | NV next, every; |
2766 | NV next, every; |
2502 | } PerlIOCede; |
2767 | } PerlIOCede; |
2503 | |
2768 | |
2504 | static IV |
2769 | static IV ecb_cold |
2505 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
2770 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
2506 | { |
2771 | { |
2507 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2772 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2508 | |
2773 | |
2509 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
2774 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
2510 | self->next = nvtime () + self->every; |
2775 | self->next = nvtime () + self->every; |
2511 | |
2776 | |
2512 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
2777 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
2513 | } |
2778 | } |
2514 | |
2779 | |
2515 | static SV * |
2780 | static SV * ecb_cold |
2516 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
2781 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
2517 | { |
2782 | { |
2518 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2783 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2519 | |
2784 | |
2520 | return newSVnv (self->every); |
2785 | return newSVnv (self->every); |
… | |
… | |
2632 | SvREFCNT_dec (cb); |
2897 | SvREFCNT_dec (cb); |
2633 | } |
2898 | } |
2634 | } |
2899 | } |
2635 | |
2900 | |
2636 | static void |
2901 | static void |
2637 | coro_semaphore_on_destroy (pTHX_ struct coro *coro) |
2902 | coro_semaphore_destroy (pTHX_ struct CoroSLF *frame) |
2638 | { |
2903 | { |
2639 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
2904 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
2640 | coro_semaphore_adjust (aTHX_ (AV *)coro->slf_frame.data, 0); |
2905 | coro_semaphore_adjust (aTHX_ (AV *)frame->data, 0); |
2641 | } |
2906 | } |
2642 | |
2907 | |
2643 | static int |
2908 | static int |
2644 | slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire) |
2909 | slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire) |
2645 | { |
2910 | { |
2646 | AV *av = (AV *)frame->data; |
2911 | AV *av = (AV *)frame->data; |
2647 | SV *count_sv = AvARRAY (av)[0]; |
2912 | SV *count_sv = AvARRAY (av)[0]; |
|
|
2913 | SV *coro_hv = SvRV (coro_current); |
2648 | |
2914 | |
2649 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2915 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2650 | if (CORO_THROW) |
2916 | if (CORO_THROW) |
2651 | return 0; |
2917 | return 0; |
2652 | else if (SvIVX (count_sv) > 0) |
2918 | else if (SvIVX (count_sv) > 0) |
2653 | { |
2919 | { |
2654 | SvSTATE_current->on_destroy = 0; |
2920 | frame->destroy = 0; |
2655 | |
2921 | |
2656 | if (acquire) |
2922 | if (acquire) |
2657 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2923 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2658 | else |
2924 | else |
2659 | coro_semaphore_adjust (aTHX_ av, 0); |
2925 | coro_semaphore_adjust (aTHX_ av, 0); |
… | |
… | |
2664 | { |
2930 | { |
2665 | int i; |
2931 | int i; |
2666 | /* if we were woken up but can't down, we look through the whole */ |
2932 | /* if we were woken up but can't down, we look through the whole */ |
2667 | /* waiters list and only add us if we aren't in there already */ |
2933 | /* waiters list and only add us if we aren't in there already */ |
2668 | /* this avoids some degenerate memory usage cases */ |
2934 | /* this avoids some degenerate memory usage cases */ |
2669 | |
2935 | for (i = AvFILLp (av); i > 0; --i) /* i > 0 is not an off-by-one bug */ |
2670 | for (i = 1; i <= AvFILLp (av); ++i) |
|
|
2671 | if (AvARRAY (av)[i] == SvRV (coro_current)) |
2936 | if (AvARRAY (av)[i] == coro_hv) |
2672 | return 1; |
2937 | return 1; |
2673 | |
2938 | |
2674 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2939 | av_push (av, SvREFCNT_inc (coro_hv)); |
2675 | return 1; |
2940 | return 1; |
2676 | } |
2941 | } |
2677 | } |
2942 | } |
2678 | |
2943 | |
2679 | static int |
2944 | static int |
… | |
… | |
2702 | { |
2967 | { |
2703 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2968 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2704 | |
2969 | |
2705 | frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); |
2970 | frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); |
2706 | frame->prepare = prepare_schedule; |
2971 | frame->prepare = prepare_schedule; |
2707 | |
|
|
2708 | /* to avoid race conditions when a woken-up coro gets terminated */ |
2972 | /* to avoid race conditions when a woken-up coro gets terminated */ |
2709 | /* we arrange for a temporary on_destroy that calls adjust (0) */ |
2973 | /* we arrange for a temporary on_destroy that calls adjust (0) */ |
2710 | SvSTATE_current->on_destroy = coro_semaphore_on_destroy; |
2974 | frame->destroy = coro_semaphore_destroy; |
2711 | } |
2975 | } |
2712 | } |
2976 | } |
2713 | |
2977 | |
2714 | static void |
2978 | static void |
2715 | slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2979 | slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
… | |
… | |
2933 | dSP; |
3197 | dSP; |
2934 | |
3198 | |
2935 | static SV *prio_cv; |
3199 | static SV *prio_cv; |
2936 | static SV *prio_sv; |
3200 | static SV *prio_sv; |
2937 | |
3201 | |
2938 | if (expect_false (!prio_cv)) |
3202 | if (ecb_expect_false (!prio_cv)) |
2939 | { |
3203 | { |
2940 | prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0); |
3204 | prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0); |
2941 | prio_sv = newSViv (0); |
3205 | prio_sv = newSViv (0); |
2942 | } |
3206 | } |
2943 | |
3207 | |
… | |
… | |
3049 | } |
3313 | } |
3050 | |
3314 | |
3051 | return coro_sv; |
3315 | return coro_sv; |
3052 | } |
3316 | } |
3053 | |
3317 | |
|
|
3318 | #ifndef __cplusplus |
|
|
3319 | ecb_cold XS(boot_Coro__State); |
|
|
3320 | #endif |
|
|
3321 | |
|
|
3322 | #if CORO_JIT |
|
|
3323 | |
|
|
3324 | static void ecb_noinline ecb_cold |
|
|
3325 | pushav_4uv (pTHX_ UV a, UV b, UV c, UV d) |
|
|
3326 | { |
|
|
3327 | dSP; |
|
|
3328 | AV *av = newAV (); |
|
|
3329 | |
|
|
3330 | av_store (av, 3, newSVuv (d)); |
|
|
3331 | av_store (av, 2, newSVuv (c)); |
|
|
3332 | av_store (av, 1, newSVuv (b)); |
|
|
3333 | av_store (av, 0, newSVuv (a)); |
|
|
3334 | |
|
|
3335 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
3336 | |
|
|
3337 | PUTBACK; |
|
|
3338 | } |
|
|
3339 | |
|
|
3340 | static void ecb_noinline ecb_cold |
|
|
3341 | jit_init (pTHX) |
|
|
3342 | { |
|
|
3343 | dSP; |
|
|
3344 | SV *load, *save; |
|
|
3345 | char *map_base; |
|
|
3346 | char *load_ptr, *save_ptr; |
|
|
3347 | STRLEN load_len, save_len, map_len; |
|
|
3348 | int count; |
|
|
3349 | |
|
|
3350 | eval_pv ("require 'Coro/jit-" CORO_JIT_TYPE ".pl'", 1); |
|
|
3351 | |
|
|
3352 | PUSHMARK (SP); |
|
|
3353 | #define VARx(name,expr,type) pushav_4uv (aTHX_ (UV)&(expr), sizeof (expr), offsetof (perl_slots, name), sizeof (type)); |
|
|
3354 | #include "state.h" |
|
|
3355 | count = call_pv ("Coro::State::_jit", G_ARRAY); |
|
|
3356 | SPAGAIN; |
|
|
3357 | |
|
|
3358 | save = POPs; save_ptr = SvPVbyte (save, save_len); |
|
|
3359 | load = POPs; load_ptr = SvPVbyte (load, load_len); |
|
|
3360 | |
|
|
3361 | map_len = load_len + save_len + 16; |
|
|
3362 | |
|
|
3363 | map_base = mmap (0, map_len, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); |
|
|
3364 | |
|
|
3365 | assert (("Coro: unable to mmap jit code page, cannot continue.", map_base != (char *)MAP_FAILED)); |
|
|
3366 | |
|
|
3367 | load_perl_slots = (load_save_perl_slots_type)map_base; |
|
|
3368 | memcpy (map_base, load_ptr, load_len); |
|
|
3369 | |
|
|
3370 | map_base += (load_len + 15) & ~15; |
|
|
3371 | |
|
|
3372 | save_perl_slots = (load_save_perl_slots_type)map_base; |
|
|
3373 | memcpy (map_base, save_ptr, save_len); |
|
|
3374 | |
|
|
3375 | /* we are good citizens and try to make the page read-only, so the evil evil */ |
|
|
3376 | /* hackers might have it a bit more difficult */ |
|
|
3377 | mprotect (map_base, map_len, PROT_READ | PROT_EXEC); |
|
|
3378 | |
|
|
3379 | PUTBACK; |
|
|
3380 | eval_pv ("undef &Coro::State::_jit", 1); |
|
|
3381 | } |
|
|
3382 | |
|
|
3383 | #endif |
|
|
3384 | |
3054 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
3385 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
3055 | |
3386 | |
3056 | PROTOTYPES: DISABLE |
3387 | PROTOTYPES: DISABLE |
3057 | |
3388 | |
3058 | BOOT: |
3389 | BOOT: |
… | |
… | |
3060 | #ifdef USE_ITHREADS |
3391 | #ifdef USE_ITHREADS |
3061 | # if CORO_PTHREAD |
3392 | # if CORO_PTHREAD |
3062 | coro_thx = PERL_GET_CONTEXT; |
3393 | coro_thx = PERL_GET_CONTEXT; |
3063 | # endif |
3394 | # endif |
3064 | #endif |
3395 | #endif |
3065 | BOOT_PAGESIZE; |
3396 | /* perl defines these to check for existance first, but why it doesn't */ |
|
|
3397 | /* just create them one at init time is not clear to me, except for */ |
|
|
3398 | /* programs trying to delete them, but... */ |
|
|
3399 | /* anyway, we declare this as invalid and make sure they are initialised here */ |
|
|
3400 | DEFSV; |
|
|
3401 | ERRSV; |
3066 | |
3402 | |
3067 | cctx_current = cctx_new_empty (); |
3403 | cctx_current = cctx_new_empty (); |
3068 | |
3404 | |
3069 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3405 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3070 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3406 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
… | |
… | |
3110 | coroapi.prepare_nop = prepare_nop; |
3446 | coroapi.prepare_nop = prepare_nop; |
3111 | coroapi.prepare_schedule = prepare_schedule; |
3447 | coroapi.prepare_schedule = prepare_schedule; |
3112 | coroapi.prepare_cede = prepare_cede; |
3448 | coroapi.prepare_cede = prepare_cede; |
3113 | coroapi.prepare_cede_notself = prepare_cede_notself; |
3449 | coroapi.prepare_cede_notself = prepare_cede_notself; |
3114 | |
3450 | |
3115 | { |
3451 | time_init (aTHX); |
3116 | SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
|
|
3117 | |
|
|
3118 | if (!svp) croak ("Time::HiRes is required"); |
|
|
3119 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer"); |
|
|
3120 | |
|
|
3121 | nvtime = INT2PTR (double (*)(), SvIV (*svp)); |
|
|
3122 | |
|
|
3123 | svp = hv_fetch (PL_modglobal, "Time::U2time", 12, 0); |
|
|
3124 | u2time = INT2PTR (void (*)(pTHX_ UV ret[2]), SvIV (*svp)); |
|
|
3125 | } |
|
|
3126 | |
3452 | |
3127 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
3453 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
|
|
3454 | #if CORO_JIT |
|
|
3455 | PUTBACK; |
|
|
3456 | jit_init (aTHX); |
|
|
3457 | SPAGAIN; |
|
|
3458 | #endif |
3128 | } |
3459 | } |
3129 | |
3460 | |
3130 | SV * |
3461 | SV * |
3131 | new (SV *klass, ...) |
3462 | new (SV *klass, ...) |
3132 | ALIAS: |
3463 | ALIAS: |
… | |
… | |
3139 | void |
3470 | void |
3140 | transfer (...) |
3471 | transfer (...) |
3141 | PROTOTYPE: $$ |
3472 | PROTOTYPE: $$ |
3142 | CODE: |
3473 | CODE: |
3143 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3474 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3144 | |
|
|
3145 | bool |
|
|
3146 | _destroy (SV *coro_sv) |
|
|
3147 | CODE: |
|
|
3148 | RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv)); |
|
|
3149 | OUTPUT: |
|
|
3150 | RETVAL |
|
|
3151 | |
|
|
3152 | void |
|
|
3153 | _exit (int code) |
|
|
3154 | PROTOTYPE: $ |
|
|
3155 | CODE: |
|
|
3156 | _exit (code); |
|
|
3157 | |
3475 | |
3158 | SV * |
3476 | SV * |
3159 | clone (Coro::State coro) |
3477 | clone (Coro::State coro) |
3160 | CODE: |
3478 | CODE: |
3161 | { |
3479 | { |
… | |
… | |
3216 | void |
3534 | void |
3217 | list () |
3535 | list () |
3218 | PROTOTYPE: |
3536 | PROTOTYPE: |
3219 | PPCODE: |
3537 | PPCODE: |
3220 | { |
3538 | { |
3221 | struct coro *coro; |
3539 | struct coro *coro; |
3222 | for (coro = coro_first; coro; coro = coro->next) |
3540 | for (coro = coro_first; coro; coro = coro->next) |
3223 | if (coro->hv) |
3541 | if (coro->hv) |
3224 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
3542 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
3225 | } |
3543 | } |
3226 | |
3544 | |
… | |
… | |
3231 | CODE: |
3549 | CODE: |
3232 | { |
3550 | { |
3233 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
3551 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
3234 | { |
3552 | { |
3235 | struct coro *current = SvSTATE_current; |
3553 | struct coro *current = SvSTATE_current; |
|
|
3554 | struct CoroSLF slf_save; |
3236 | |
3555 | |
3237 | if (current != coro) |
3556 | if (current != coro) |
3238 | { |
3557 | { |
3239 | PUTBACK; |
3558 | PUTBACK; |
3240 | save_perl (aTHX_ current); |
3559 | save_perl (aTHX_ current); |
3241 | load_perl (aTHX_ coro); |
3560 | load_perl (aTHX_ coro); |
|
|
3561 | /* the coro is most likely in an active SLF call. |
|
|
3562 | * while not strictly required (the code we execute is |
|
|
3563 | * not allowed to call any SLF functions), it's cleaner |
|
|
3564 | * to reinitialise the slf_frame and restore it later. |
|
|
3565 | * This might one day allow us to actually do SLF calls |
|
|
3566 | * from code executed here. |
|
|
3567 | */ |
|
|
3568 | slf_save = slf_frame; |
|
|
3569 | slf_frame.prepare = 0; |
3242 | SPAGAIN; |
3570 | SPAGAIN; |
3243 | } |
3571 | } |
3244 | |
3572 | |
3245 | PUSHSTACK; |
3573 | PUSHSTACK; |
3246 | |
3574 | |
… | |
… | |
3256 | SPAGAIN; |
3584 | SPAGAIN; |
3257 | |
3585 | |
3258 | if (current != coro) |
3586 | if (current != coro) |
3259 | { |
3587 | { |
3260 | PUTBACK; |
3588 | PUTBACK; |
|
|
3589 | slf_frame = slf_save; |
3261 | save_perl (aTHX_ coro); |
3590 | save_perl (aTHX_ coro); |
3262 | load_perl (aTHX_ current); |
3591 | load_perl (aTHX_ current); |
3263 | SPAGAIN; |
3592 | SPAGAIN; |
3264 | } |
3593 | } |
3265 | } |
3594 | } |
… | |
… | |
3270 | PROTOTYPE: $ |
3599 | PROTOTYPE: $ |
3271 | ALIAS: |
3600 | ALIAS: |
3272 | is_ready = CF_READY |
3601 | is_ready = CF_READY |
3273 | is_running = CF_RUNNING |
3602 | is_running = CF_RUNNING |
3274 | is_new = CF_NEW |
3603 | is_new = CF_NEW |
3275 | is_destroyed = CF_DESTROYED |
3604 | is_destroyed = CF_ZOMBIE |
|
|
3605 | is_zombie = CF_ZOMBIE |
3276 | is_suspended = CF_SUSPENDED |
3606 | is_suspended = CF_SUSPENDED |
3277 | CODE: |
3607 | CODE: |
3278 | RETVAL = boolSV (coro->flags & ix); |
3608 | RETVAL = boolSV (coro->flags & ix); |
3279 | OUTPUT: |
3609 | OUTPUT: |
3280 | RETVAL |
3610 | RETVAL |
3281 | |
3611 | |
3282 | void |
3612 | void |
3283 | throw (Coro::State self, SV *exception = &PL_sv_undef) |
3613 | throw (SV *self, SV *exception = &PL_sv_undef) |
3284 | PROTOTYPE: $;$ |
3614 | PROTOTYPE: $;$ |
3285 | CODE: |
3615 | CODE: |
3286 | { |
3616 | { |
|
|
3617 | struct coro *coro = SvSTATE (self); |
3287 | struct coro *current = SvSTATE_current; |
3618 | struct coro *current = SvSTATE_current; |
3288 | SV **exceptionp = self == current ? &CORO_THROW : &self->except; |
3619 | SV **exceptionp = coro == current ? &CORO_THROW : &coro->except; |
3289 | SvREFCNT_dec (*exceptionp); |
3620 | SvREFCNT_dec (*exceptionp); |
3290 | SvGETMAGIC (exception); |
3621 | SvGETMAGIC (exception); |
3291 | *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; |
3622 | *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; |
|
|
3623 | |
|
|
3624 | api_ready (aTHX_ self); |
3292 | } |
3625 | } |
3293 | |
3626 | |
3294 | void |
3627 | void |
3295 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3628 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3296 | PROTOTYPE: $;$ |
3629 | PROTOTYPE: $;$ |
… | |
… | |
3351 | |
3684 | |
3352 | void |
3685 | void |
3353 | cancel (Coro::State self) |
3686 | cancel (Coro::State self) |
3354 | CODE: |
3687 | CODE: |
3355 | coro_state_destroy (aTHX_ self); |
3688 | coro_state_destroy (aTHX_ self); |
3356 | coro_call_on_destroy (aTHX_ self); /* actually only for Coro objects */ |
|
|
3357 | |
|
|
3358 | |
3689 | |
3359 | SV * |
3690 | SV * |
3360 | enable_times (int enabled = enable_times) |
3691 | enable_times (int enabled = enable_times) |
3361 | CODE: |
3692 | CODE: |
3362 | { |
3693 | { |
… | |
… | |
3375 | |
3706 | |
3376 | void |
3707 | void |
3377 | times (Coro::State self) |
3708 | times (Coro::State self) |
3378 | PPCODE: |
3709 | PPCODE: |
3379 | { |
3710 | { |
3380 | struct coro *current = SvSTATE (coro_current); |
3711 | struct coro *current = SvSTATE (coro_current); |
3381 | |
3712 | |
3382 | if (expect_false (current == self)) |
3713 | if (ecb_expect_false (current == self)) |
3383 | { |
3714 | { |
3384 | coro_times_update (); |
3715 | coro_times_update (); |
3385 | coro_times_add (SvSTATE (coro_current)); |
3716 | coro_times_add (SvSTATE (coro_current)); |
3386 | } |
3717 | } |
3387 | |
3718 | |
3388 | EXTEND (SP, 2); |
3719 | EXTEND (SP, 2); |
3389 | PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9))); |
3720 | PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9))); |
3390 | PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9))); |
3721 | PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9))); |
3391 | |
3722 | |
3392 | if (expect_false (current == self)) |
3723 | if (ecb_expect_false (current == self)) |
3393 | coro_times_sub (SvSTATE (coro_current)); |
3724 | coro_times_sub (SvSTATE (coro_current)); |
3394 | } |
3725 | } |
3395 | |
3726 | |
3396 | void |
3727 | void |
3397 | swap_sv (Coro::State coro, SV *sv, SV *swapsv) |
3728 | swap_sv (Coro::State coro, SV *sv, SV *swapsv) |
… | |
… | |
3418 | BOOT: |
3749 | BOOT: |
3419 | { |
3750 | { |
3420 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3751 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3421 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3752 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3422 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
3753 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
3423 | cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD); |
|
|
3424 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
3754 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
3425 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
3755 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
3426 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
3756 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
3427 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
3757 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
3428 | sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); |
3758 | sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); |
3429 | |
3759 | |
3430 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3760 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3431 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
3761 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
3432 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
3762 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
3433 | CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */ |
3763 | CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */ |
3434 | |
3764 | |
3435 | coro_stash = gv_stashpv ("Coro", TRUE); |
3765 | coro_stash = gv_stashpv ("Coro", TRUE); |
3436 | |
3766 | |
3437 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
3767 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
3438 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
3768 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
3439 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL)); |
3769 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL)); |
… | |
… | |
3467 | api_ready (aTHX_ RETVAL); |
3797 | api_ready (aTHX_ RETVAL); |
3468 | OUTPUT: |
3798 | OUTPUT: |
3469 | RETVAL |
3799 | RETVAL |
3470 | |
3800 | |
3471 | void |
3801 | void |
|
|
3802 | _destroy (Coro::State coro) |
|
|
3803 | CODE: |
|
|
3804 | /* used by the manager thread */ |
|
|
3805 | coro_state_destroy (aTHX_ coro); |
|
|
3806 | |
|
|
3807 | void |
|
|
3808 | on_destroy (Coro::State coro, SV *cb) |
|
|
3809 | CODE: |
|
|
3810 | coro_push_on_destroy (aTHX_ coro, newSVsv (cb)); |
|
|
3811 | |
|
|
3812 | void |
|
|
3813 | join (...) |
|
|
3814 | CODE: |
|
|
3815 | CORO_EXECUTE_SLF_XS (slf_init_join); |
|
|
3816 | |
|
|
3817 | void |
3472 | terminate (...) |
3818 | terminate (...) |
3473 | CODE: |
3819 | CODE: |
3474 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
3820 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
|
|
3821 | |
|
|
3822 | void |
|
|
3823 | cancel (...) |
|
|
3824 | CODE: |
|
|
3825 | CORO_EXECUTE_SLF_XS (slf_init_cancel); |
|
|
3826 | |
|
|
3827 | int |
|
|
3828 | safe_cancel (Coro::State self, ...) |
|
|
3829 | C_ARGS: aTHX_ self, &ST (1), items - 1 |
3475 | |
3830 | |
3476 | void |
3831 | void |
3477 | schedule (...) |
3832 | schedule (...) |
3478 | CODE: |
3833 | CODE: |
3479 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
3834 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
… | |
… | |
3636 | on_leave = 1 |
3991 | on_leave = 1 |
3637 | PROTOTYPE: & |
3992 | PROTOTYPE: & |
3638 | CODE: |
3993 | CODE: |
3639 | { |
3994 | { |
3640 | struct coro *coro = SvSTATE_current; |
3995 | struct coro *coro = SvSTATE_current; |
3641 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
3996 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
3642 | |
3997 | |
3643 | block = s_get_cv_croak (block); |
3998 | block = s_get_cv_croak (block); |
3644 | |
3999 | |
3645 | if (!*avp) |
4000 | if (!*avp) |
3646 | *avp = newAV (); |
4001 | *avp = newAV (); |
… | |
… | |
3666 | |
4021 | |
3667 | SV * |
4022 | SV * |
3668 | new (SV *klass, SV *count = 0) |
4023 | new (SV *klass, SV *count = 0) |
3669 | CODE: |
4024 | CODE: |
3670 | { |
4025 | { |
3671 | int semcnt = 1; |
4026 | int semcnt = 1; |
3672 | |
4027 | |
3673 | if (count) |
4028 | if (count) |
3674 | { |
4029 | { |
3675 | SvGETMAGIC (count); |
4030 | SvGETMAGIC (count); |
3676 | |
4031 | |
… | |
… | |
3736 | XSRETURN_NO; |
4091 | XSRETURN_NO; |
3737 | } |
4092 | } |
3738 | |
4093 | |
3739 | void |
4094 | void |
3740 | waiters (SV *self) |
4095 | waiters (SV *self) |
3741 | PPCODE: |
4096 | PPCODE: |
3742 | { |
4097 | { |
3743 | AV *av = (AV *)SvRV (self); |
4098 | AV *av = (AV *)SvRV (self); |
3744 | int wcount = AvFILLp (av) + 1 - 1; |
4099 | int wcount = AvFILLp (av) + 1 - 1; |
3745 | |
4100 | |
3746 | if (GIMME_V == G_SCALAR) |
4101 | if (GIMME_V == G_SCALAR) |
… | |
… | |
3755 | } |
4110 | } |
3756 | |
4111 | |
3757 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
4112 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
3758 | |
4113 | |
3759 | void |
4114 | void |
3760 | _may_delete (SV *sem, int count, int extra_refs) |
4115 | _may_delete (SV *sem, int count, unsigned int extra_refs) |
3761 | PPCODE: |
4116 | PPCODE: |
3762 | { |
4117 | { |
3763 | AV *av = (AV *)SvRV (sem); |
4118 | AV *av = (AV *)SvRV (sem); |
3764 | |
4119 | |
3765 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
4120 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
3766 | && AvFILLp (av) == 0 /* no waiters, just count */ |
4121 | && AvFILLp (av) == 0 /* no waiters, just count */ |
3767 | && SvIV (AvARRAY (av)[0]) == count) |
4122 | && SvIV (AvARRAY (av)[0]) == count) |
3768 | XSRETURN_YES; |
4123 | XSRETURN_YES; |
… | |
… | |
3789 | |
4144 | |
3790 | void |
4145 | void |
3791 | broadcast (SV *self) |
4146 | broadcast (SV *self) |
3792 | CODE: |
4147 | CODE: |
3793 | { |
4148 | { |
3794 | AV *av = (AV *)SvRV (self); |
4149 | AV *av = (AV *)SvRV (self); |
3795 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
4150 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
3796 | } |
4151 | } |
3797 | |
4152 | |
3798 | void |
4153 | void |
3799 | send (SV *self) |
4154 | send (SV *self) |
… | |
… | |
3807 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
4162 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
3808 | } |
4163 | } |
3809 | |
4164 | |
3810 | IV |
4165 | IV |
3811 | awaited (SV *self) |
4166 | awaited (SV *self) |
3812 | CODE: |
4167 | CODE: |
3813 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
4168 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
3814 | OUTPUT: |
4169 | OUTPUT: |
3815 | RETVAL |
4170 | RETVAL |
3816 | |
4171 | |
3817 | |
4172 | |
… | |
… | |
3822 | |
4177 | |
3823 | void |
4178 | void |
3824 | _schedule (...) |
4179 | _schedule (...) |
3825 | CODE: |
4180 | CODE: |
3826 | { |
4181 | { |
3827 | static int incede; |
4182 | static int incede; |
3828 | |
4183 | |
3829 | api_cede_notself (aTHX); |
4184 | api_cede_notself (aTHX); |
3830 | |
4185 | |
3831 | ++incede; |
4186 | ++incede; |
3832 | while (coro_nready >= incede && api_cede (aTHX)) |
4187 | while (coro_nready >= incede && api_cede (aTHX)) |
… | |
… | |
3876 | { |
4231 | { |
3877 | PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; |
4232 | PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; |
3878 | coro_old_pp_sselect = 0; |
4233 | coro_old_pp_sselect = 0; |
3879 | } |
4234 | } |
3880 | |
4235 | |
|
|
4236 | MODULE = Coro::State PACKAGE = Coro::Util |
3881 | |
4237 | |
|
|
4238 | void |
|
|
4239 | _exit (int code) |
|
|
4240 | CODE: |
|
|
4241 | _exit (code); |
|
|
4242 | |
|
|
4243 | NV |
|
|
4244 | time () |
|
|
4245 | CODE: |
|
|
4246 | RETVAL = nvtime (aTHX); |
|
|
4247 | OUTPUT: |
|
|
4248 | RETVAL |
|
|
4249 | |
|
|
4250 | NV |
|
|
4251 | gettimeofday () |
|
|
4252 | PPCODE: |
|
|
4253 | { |
|
|
4254 | UV tv [2]; |
|
|
4255 | u2time (aTHX_ tv); |
|
|
4256 | EXTEND (SP, 2); |
|
|
4257 | PUSHs (sv_2mortal (newSVuv (tv [0]))); |
|
|
4258 | PUSHs (sv_2mortal (newSVuv (tv [1]))); |
|
|
4259 | } |
|
|
4260 | |