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 | #define ECB_NO_LIBM 1 |
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20 | #include "ecb.h" |
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21 | |
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22 | #include <stddef.h> |
18 | #include <stdio.h> |
23 | #include <stdio.h> |
19 | #include <errno.h> |
24 | #include <errno.h> |
20 | #include <assert.h> |
25 | #include <assert.h> |
21 | |
26 | |
22 | #ifndef SVs_PADSTALE |
27 | #ifndef SVs_PADSTALE |
23 | # define SVs_PADSTALE 0 |
28 | # define SVs_PADSTALE 0 |
24 | #endif |
29 | #endif |
25 | |
30 | |
26 | #ifdef WIN32 |
31 | #ifdef PadARRAY |
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32 | # define NEWPADAPI 1 |
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33 | # define newPADLIST(var) (Newz (0, var, 1, PADLIST), Newx (PadlistARRAY (var), 2, PAD *)) |
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34 | #else |
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35 | typedef AV PADNAMELIST; |
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36 | # if !PERL_VERSION_ATLEAST(5,8,0) |
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37 | typedef AV PADLIST; |
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38 | typedef AV PAD; |
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39 | # endif |
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40 | # define PadlistARRAY(pl) ((PAD **)AvARRAY (pl)) |
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41 | # define PadlistMAX(pl) AvFILLp (pl) |
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42 | # define PadlistNAMES(pl) (*PadlistARRAY (pl)) |
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43 | # define PadARRAY AvARRAY |
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44 | # define PadMAX AvFILLp |
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45 | # define newPADLIST(var) ((var) = newAV (), av_extend (var, 1)) |
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46 | #endif |
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47 | |
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48 | /* 5.19.something has replaced SVt_BIND by SVt_INVLIST */ |
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49 | /* we just alias it to SVt_IV, as that is sufficient for swap_sv for now */ |
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50 | #if PERL_VERSION_ATLEAST(5,19,0) |
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51 | # define SVt_BIND SVt_IV |
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52 | #endif |
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53 | |
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54 | #if defined(_WIN32) |
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55 | # undef HAS_GETTIMEOFDAY |
27 | # undef setjmp |
56 | # undef setjmp |
28 | # undef longjmp |
57 | # undef longjmp |
29 | # undef _exit |
58 | # undef _exit |
30 | # define setjmp _setjmp /* deep magic */ |
59 | # define setjmp _setjmp /* deep magic */ |
31 | #else |
60 | #else |
32 | # include <inttypes.h> /* most portable stdint.h */ |
61 | # include <inttypes.h> /* most portable stdint.h */ |
33 | #endif |
62 | #endif |
34 | |
63 | |
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 */ |
64 | /* the maximum number of idle cctx that will be pooled */ |
63 | static int cctx_max_idle = 4; |
65 | static int cctx_max_idle = 4; |
64 | |
66 | |
65 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
67 | #if defined(DEBUGGING) && PERL_VERSION_ATLEAST(5,12,0) |
66 | # undef CORO_STACKGUARD |
68 | # 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 |
69 | #endif |
72 | |
70 | |
73 | /* prefer perl internal functions over our own? */ |
71 | /* prefer perl internal functions over our own? */ |
74 | #ifndef CORO_PREFER_PERL_FUNCTIONS |
72 | #ifndef CORO_PREFER_PERL_FUNCTIONS |
75 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
73 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
… | |
… | |
85 | # define STACKLEVEL ((void *)&stacklevel) |
83 | # define STACKLEVEL ((void *)&stacklevel) |
86 | #endif |
84 | #endif |
87 | |
85 | |
88 | #define IN_DESTRUCT PL_dirty |
86 | #define IN_DESTRUCT PL_dirty |
89 | |
87 | |
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" |
88 | #include "CoroAPI.h" |
106 | #define GCoroAPI (&coroapi) /* very sneaky */ |
89 | #define GCoroAPI (&coroapi) /* very sneaky */ |
107 | |
90 | |
108 | #ifdef USE_ITHREADS |
91 | #ifdef USE_ITHREADS |
109 | # if CORO_PTHREAD |
92 | # if CORO_PTHREAD |
… | |
… | |
125 | static void (*u2time)(pTHX_ UV ret[2]); |
108 | static void (*u2time)(pTHX_ UV ret[2]); |
126 | |
109 | |
127 | /* we hijack an hopefully unused CV flag for our purposes */ |
110 | /* we hijack an hopefully unused CV flag for our purposes */ |
128 | #define CVf_SLF 0x4000 |
111 | #define CVf_SLF 0x4000 |
129 | static OP *pp_slf (pTHX); |
112 | static OP *pp_slf (pTHX); |
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113 | static void slf_destroy (pTHX_ struct coro *coro); |
130 | |
114 | |
131 | static U32 cctx_gen; |
115 | static U32 cctx_gen; |
132 | static size_t cctx_stacksize = CORO_STACKSIZE; |
116 | static size_t cctx_stacksize = CORO_STACKSIZE; |
133 | static struct CoroAPI coroapi; |
117 | static struct CoroAPI coroapi; |
134 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
118 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
… | |
… | |
164 | static char times_valid; |
148 | static char times_valid; |
165 | |
149 | |
166 | static struct coro_cctx *cctx_first; |
150 | static struct coro_cctx *cctx_first; |
167 | static int cctx_count, cctx_idle; |
151 | static int cctx_count, cctx_idle; |
168 | |
152 | |
169 | enum { |
153 | enum |
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154 | { |
170 | CC_MAPPED = 0x01, |
155 | CC_MAPPED = 0x01, |
171 | CC_NOREUSE = 0x02, /* throw this away after tracing */ |
156 | CC_NOREUSE = 0x02, /* throw this away after tracing */ |
172 | CC_TRACE = 0x04, |
157 | CC_TRACE = 0x04, |
173 | CC_TRACE_SUB = 0x08, /* trace sub calls */ |
158 | CC_TRACE_SUB = 0x08, /* trace sub calls */ |
174 | CC_TRACE_LINE = 0x10, /* trace each statement */ |
159 | CC_TRACE_LINE = 0x10, /* trace each statement */ |
… | |
… | |
179 | typedef struct coro_cctx |
164 | typedef struct coro_cctx |
180 | { |
165 | { |
181 | struct coro_cctx *next; |
166 | struct coro_cctx *next; |
182 | |
167 | |
183 | /* the stack */ |
168 | /* the stack */ |
184 | void *sptr; |
169 | struct coro_stack stack; |
185 | size_t ssize; |
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186 | |
170 | |
187 | /* cpu state */ |
171 | /* cpu state */ |
188 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
172 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
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173 | #ifndef NDEBUG |
189 | JMPENV *idle_te; /* same as idle_sp, but for top_env, TODO: remove once stable */ |
174 | JMPENV *idle_te; /* same as idle_sp, but for top_env */ |
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175 | #endif |
190 | JMPENV *top_env; |
176 | JMPENV *top_env; |
191 | coro_context cctx; |
177 | coro_context cctx; |
192 | |
178 | |
193 | U32 gen; |
179 | U32 gen; |
194 | #if CORO_USE_VALGRIND |
180 | #if CORO_USE_VALGRIND |
195 | int valgrind_id; |
181 | int valgrind_id; |
196 | #endif |
182 | #endif |
197 | unsigned char flags; |
183 | unsigned char flags; |
198 | } coro_cctx; |
184 | } coro_cctx; |
199 | |
185 | |
200 | coro_cctx *cctx_current; /* the currently running cctx */ |
186 | static coro_cctx *cctx_current; /* the currently running cctx */ |
201 | |
187 | |
202 | /*****************************************************************************/ |
188 | /*****************************************************************************/ |
203 | |
189 | |
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190 | static MGVTBL coro_state_vtbl; |
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191 | |
204 | enum { |
192 | enum |
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193 | { |
205 | CF_RUNNING = 0x0001, /* coroutine is running */ |
194 | CF_RUNNING = 0x0001, /* coroutine is running */ |
206 | CF_READY = 0x0002, /* coroutine is ready */ |
195 | CF_READY = 0x0002, /* coroutine is ready */ |
207 | CF_NEW = 0x0004, /* has never been switched to */ |
196 | CF_NEW = 0x0004, /* has never been switched to */ |
208 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
197 | CF_ZOMBIE = 0x0008, /* coroutine data has been freed */ |
209 | CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */ |
198 | CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */ |
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199 | CF_NOCANCEL = 0x0020, /* cannot cancel, set slf_frame.data to 1 (hackish) */ |
210 | }; |
200 | }; |
211 | |
201 | |
212 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
202 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
213 | typedef struct |
203 | typedef struct |
214 | { |
204 | { |
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; |
205 | #define VARx(name,expr,type) type name; |
221 | # include "state.h" |
206 | #include "state.h" |
222 | #undef VAR |
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223 | } perl_slots; |
207 | } perl_slots; |
224 | |
208 | |
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209 | /* 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)) |
210 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
226 | |
211 | |
227 | /* this is a structure representing a perl-level coroutine */ |
212 | /* this is a structure representing a perl-level coroutine */ |
228 | struct coro { |
213 | struct coro |
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214 | { |
229 | /* the C coroutine allocated to this perl coroutine, if any */ |
215 | /* the C coroutine allocated to this perl coroutine, if any */ |
230 | coro_cctx *cctx; |
216 | coro_cctx *cctx; |
231 | |
217 | |
232 | /* ready queue */ |
218 | /* ready queue */ |
233 | struct coro *next_ready; |
219 | struct coro *next_ready; |
… | |
… | |
235 | /* state data */ |
221 | /* state data */ |
236 | struct CoroSLF slf_frame; /* saved slf frame */ |
222 | struct CoroSLF slf_frame; /* saved slf frame */ |
237 | AV *mainstack; |
223 | AV *mainstack; |
238 | perl_slots *slot; /* basically the saved sp */ |
224 | perl_slots *slot; /* basically the saved sp */ |
239 | |
225 | |
240 | CV *startcv; /* the CV to execute */ |
226 | CV *startcv; /* the CV to execute */ |
241 | AV *args; /* data associated with this coroutine (initial args) */ |
227 | 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 */ |
228 | int flags; /* CF_ flags */ |
244 | HV *hv; /* the perl hash associated with this coro, if any */ |
229 | HV *hv; /* the perl hash associated with this coro, if any */ |
245 | void (*on_destroy)(pTHX_ struct coro *coro); /* for temporary use by xs in critical sections */ |
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246 | |
230 | |
247 | /* statistics */ |
231 | /* statistics */ |
248 | int usecount; /* number of transfers to this coro */ |
232 | int usecount; /* number of transfers to this coro */ |
249 | |
233 | |
250 | /* coro process data */ |
234 | /* coro process data */ |
251 | int prio; |
235 | int prio; |
252 | SV *except; /* exception to be thrown */ |
236 | SV *except; /* exception to be thrown */ |
253 | SV *rouse_cb; |
237 | SV *rouse_cb; /* last rouse callback */ |
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238 | AV *on_destroy; /* callbacks or coros to notify on destroy */ |
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239 | AV *status; /* the exit status list */ |
254 | |
240 | |
255 | /* async_pool */ |
241 | /* async_pool */ |
256 | SV *saved_deffh; |
242 | SV *saved_deffh; |
257 | SV *invoke_cb; |
243 | SV *invoke_cb; |
258 | AV *invoke_av; |
244 | AV *invoke_av; |
… | |
… | |
274 | typedef struct coro *Coro__State; |
260 | typedef struct coro *Coro__State; |
275 | typedef struct coro *Coro__State_or_hashref; |
261 | typedef struct coro *Coro__State_or_hashref; |
276 | |
262 | |
277 | /* the following variables are effectively part of the perl context */ |
263 | /* the following variables are effectively part of the perl context */ |
278 | /* and get copied between struct coro and these variables */ |
264 | /* and get copied between struct coro and these variables */ |
279 | /* the mainr easonw e don't support windows process emulation */ |
265 | /* the main reason we don't support windows process emulation */ |
280 | static struct CoroSLF slf_frame; /* the current slf frame */ |
266 | static struct CoroSLF slf_frame; /* the current slf frame */ |
281 | |
267 | |
282 | /** Coro ********************************************************************/ |
268 | /** Coro ********************************************************************/ |
283 | |
269 | |
284 | #define CORO_PRIO_MAX 3 |
270 | #define CORO_PRIO_MAX 3 |
… | |
… | |
290 | |
276 | |
291 | /* for Coro.pm */ |
277 | /* for Coro.pm */ |
292 | static SV *coro_current; |
278 | static SV *coro_current; |
293 | static SV *coro_readyhook; |
279 | static SV *coro_readyhook; |
294 | static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ |
280 | static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ |
295 | static CV *cv_coro_run, *cv_coro_terminate; |
281 | static CV *cv_coro_run; |
296 | static struct coro *coro_first; |
282 | static struct coro *coro_first; |
297 | #define coro_nready coroapi.nready |
283 | #define coro_nready coroapi.nready |
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284 | |
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285 | /** JIT *********************************************************************/ |
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286 | |
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287 | #if CORO_JIT |
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288 | /* APPLE doesn't have mmap though */ |
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289 | #define CORO_JIT_UNIXY (__linux || __FreeBSD__ || __OpenBSD__ || __NetBSD__ || __solaris || __APPLE__) |
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290 | #ifndef CORO_JIT_TYPE |
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291 | #if ECB_AMD64 && CORO_JIT_UNIXY |
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292 | #define CORO_JIT_TYPE "amd64-unix" |
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293 | #elif __i386 && CORO_JIT_UNIXY |
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294 | #define CORO_JIT_TYPE "x86-unix" |
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295 | #endif |
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296 | #endif |
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297 | #endif |
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298 | |
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299 | #if !defined(CORO_JIT_TYPE) || _POSIX_MEMORY_PROTECTION <= 0 |
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300 | #undef CORO_JIT |
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301 | #endif |
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302 | |
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303 | #if CORO_JIT |
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304 | typedef void (*load_save_perl_slots_type)(perl_slots *); |
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305 | static load_save_perl_slots_type load_perl_slots, save_perl_slots; |
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306 | #endif |
298 | |
307 | |
299 | /** Coro::Select ************************************************************/ |
308 | /** Coro::Select ************************************************************/ |
300 | |
309 | |
301 | static OP *(*coro_old_pp_sselect) (pTHX); |
310 | static OP *(*coro_old_pp_sselect) (pTHX); |
302 | static SV *coro_select_select; |
311 | static SV *coro_select_select; |
… | |
… | |
314 | PL_op->op_flags |= OPf_STACKED; |
323 | PL_op->op_flags |= OPf_STACKED; |
315 | PL_op->op_private = 0; |
324 | PL_op->op_private = 0; |
316 | return PL_ppaddr [OP_ENTERSUB](aTHX); |
325 | return PL_ppaddr [OP_ENTERSUB](aTHX); |
317 | } |
326 | } |
318 | |
327 | |
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328 | /** time stuff **************************************************************/ |
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329 | |
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330 | #ifdef HAS_GETTIMEOFDAY |
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331 | |
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332 | ecb_inline void |
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333 | coro_u2time (pTHX_ UV ret[2]) |
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334 | { |
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335 | struct timeval tv; |
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336 | gettimeofday (&tv, 0); |
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337 | |
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338 | ret [0] = tv.tv_sec; |
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339 | ret [1] = tv.tv_usec; |
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340 | } |
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341 | |
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342 | ecb_inline double |
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343 | coro_nvtime (void) |
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344 | { |
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345 | struct timeval tv; |
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346 | gettimeofday (&tv, 0); |
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347 | |
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348 | return tv.tv_sec + tv.tv_usec * 1e-6; |
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349 | } |
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350 | |
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351 | ecb_inline void |
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352 | time_init (pTHX) |
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353 | { |
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354 | nvtime = coro_nvtime; |
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355 | u2time = coro_u2time; |
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356 | } |
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357 | |
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358 | #else |
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359 | |
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360 | ecb_inline void |
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361 | time_init (pTHX) |
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362 | { |
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363 | SV **svp; |
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364 | |
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365 | require_pv ("Time/HiRes.pm"); |
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366 | |
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367 | svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
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368 | |
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369 | if (!svp) croak ("Time::HiRes is required, but missing. Caught"); |
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370 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer. Caught"); |
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371 | |
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372 | nvtime = INT2PTR (double (*)(), SvIV (*svp)); |
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373 | |
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374 | svp = hv_fetch (PL_modglobal, "Time::U2time", 12, 0); |
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375 | u2time = INT2PTR (void (*)(pTHX_ UV ret[2]), SvIV (*svp)); |
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376 | } |
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377 | |
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378 | #endif |
|
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379 | |
319 | /** lowlevel stuff **********************************************************/ |
380 | /** lowlevel stuff **********************************************************/ |
320 | |
381 | |
321 | static SV * |
382 | static SV * ecb_noinline |
322 | coro_get_sv (pTHX_ const char *name, int create) |
383 | coro_get_sv (pTHX_ const char *name, int create) |
323 | { |
384 | { |
324 | #if PERL_VERSION_ATLEAST (5,10,0) |
385 | #if PERL_VERSION_ATLEAST (5,10,0) |
325 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
386 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
326 | get_sv (name, create); |
387 | get_sv (name, create); |
327 | #endif |
388 | #endif |
328 | return get_sv (name, create); |
389 | return get_sv (name, create); |
329 | } |
390 | } |
330 | |
391 | |
331 | static AV * |
392 | static AV * ecb_noinline |
332 | coro_get_av (pTHX_ const char *name, int create) |
393 | coro_get_av (pTHX_ const char *name, int create) |
333 | { |
394 | { |
334 | #if PERL_VERSION_ATLEAST (5,10,0) |
395 | #if PERL_VERSION_ATLEAST (5,10,0) |
335 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
396 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
336 | get_av (name, create); |
397 | get_av (name, create); |
337 | #endif |
398 | #endif |
338 | return get_av (name, create); |
399 | return get_av (name, create); |
339 | } |
400 | } |
340 | |
401 | |
341 | static HV * |
402 | static HV * ecb_noinline |
342 | coro_get_hv (pTHX_ const char *name, int create) |
403 | coro_get_hv (pTHX_ const char *name, int create) |
343 | { |
404 | { |
344 | #if PERL_VERSION_ATLEAST (5,10,0) |
405 | #if PERL_VERSION_ATLEAST (5,10,0) |
345 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
406 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
346 | get_hv (name, create); |
407 | get_hv (name, create); |
347 | #endif |
408 | #endif |
348 | return get_hv (name, create); |
409 | return get_hv (name, create); |
349 | } |
410 | } |
350 | |
411 | |
351 | INLINE void |
412 | ecb_inline void |
352 | coro_times_update () |
413 | coro_times_update (void) |
353 | { |
414 | { |
354 | #ifdef coro_clock_gettime |
415 | #ifdef coro_clock_gettime |
355 | struct timespec ts; |
416 | struct timespec ts; |
356 | |
417 | |
357 | ts.tv_sec = ts.tv_nsec = 0; |
418 | ts.tv_sec = ts.tv_nsec = 0; |
… | |
… | |
369 | time_real [0] = tv [0]; |
430 | time_real [0] = tv [0]; |
370 | time_real [1] = tv [1] * 1000; |
431 | time_real [1] = tv [1] * 1000; |
371 | #endif |
432 | #endif |
372 | } |
433 | } |
373 | |
434 | |
374 | INLINE void |
435 | ecb_inline void |
375 | coro_times_add (struct coro *c) |
436 | coro_times_add (struct coro *c) |
376 | { |
437 | { |
377 | c->t_real [1] += time_real [1]; |
438 | c->t_real [1] += time_real [1]; |
378 | if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } |
439 | if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } |
379 | c->t_real [0] += time_real [0]; |
440 | c->t_real [0] += time_real [0]; |
… | |
… | |
381 | c->t_cpu [1] += time_cpu [1]; |
442 | c->t_cpu [1] += time_cpu [1]; |
382 | if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } |
443 | if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } |
383 | c->t_cpu [0] += time_cpu [0]; |
444 | c->t_cpu [0] += time_cpu [0]; |
384 | } |
445 | } |
385 | |
446 | |
386 | INLINE void |
447 | ecb_inline void |
387 | coro_times_sub (struct coro *c) |
448 | coro_times_sub (struct coro *c) |
388 | { |
449 | { |
389 | if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } |
450 | 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]; |
451 | c->t_real [1] -= time_real [1]; |
391 | c->t_real [0] -= time_real [0]; |
452 | c->t_real [0] -= time_real [0]; |
… | |
… | |
399 | /* magic glue */ |
460 | /* magic glue */ |
400 | |
461 | |
401 | #define CORO_MAGIC_type_cv 26 |
462 | #define CORO_MAGIC_type_cv 26 |
402 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
463 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
403 | |
464 | |
404 | #define CORO_MAGIC_NN(sv, type) \ |
465 | #define CORO_MAGIC_NN(sv, type) \ |
405 | (expect_true (SvMAGIC (sv)->mg_type == type) \ |
466 | (ecb_expect_true (SvMAGIC (sv)->mg_type == type) \ |
406 | ? SvMAGIC (sv) \ |
467 | ? SvMAGIC (sv) \ |
407 | : mg_find (sv, type)) |
468 | : mg_find (sv, type)) |
408 | |
469 | |
409 | #define CORO_MAGIC(sv, type) \ |
470 | #define CORO_MAGIC(sv, type) \ |
410 | (expect_true (SvMAGIC (sv)) \ |
471 | (ecb_expect_true (SvMAGIC (sv)) \ |
411 | ? CORO_MAGIC_NN (sv, type) \ |
472 | ? CORO_MAGIC_NN (sv, type) \ |
412 | : 0) |
473 | : 0) |
413 | |
474 | |
414 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
475 | #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) |
476 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
416 | |
477 | |
417 | INLINE struct coro * |
478 | ecb_inline MAGIC * |
|
|
479 | SvSTATEhv_p (pTHX_ SV *coro) |
|
|
480 | { |
|
|
481 | MAGIC *mg; |
|
|
482 | |
|
|
483 | if (ecb_expect_true ( |
|
|
484 | SvTYPE (coro) == SVt_PVHV |
|
|
485 | && (mg = CORO_MAGIC_state (coro)) |
|
|
486 | && mg->mg_virtual == &coro_state_vtbl |
|
|
487 | )) |
|
|
488 | return mg; |
|
|
489 | |
|
|
490 | return 0; |
|
|
491 | } |
|
|
492 | |
|
|
493 | ecb_inline struct coro * |
418 | SvSTATE_ (pTHX_ SV *coro) |
494 | SvSTATE_ (pTHX_ SV *coro) |
419 | { |
495 | { |
420 | HV *stash; |
|
|
421 | MAGIC *mg; |
496 | MAGIC *mg; |
422 | |
497 | |
423 | if (SvROK (coro)) |
498 | if (SvROK (coro)) |
424 | coro = SvRV (coro); |
499 | coro = SvRV (coro); |
425 | |
500 | |
426 | if (expect_false (SvTYPE (coro) != SVt_PVHV)) |
501 | mg = SvSTATEhv_p (aTHX_ coro); |
|
|
502 | if (!mg) |
427 | croak ("Coro::State object required"); |
503 | croak ("Coro::State object required"); |
428 | |
504 | |
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; |
505 | return (struct coro *)mg->mg_ptr; |
439 | } |
506 | } |
440 | |
507 | |
441 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
508 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
442 | |
509 | |
… | |
… | |
445 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
512 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
446 | |
513 | |
447 | /*****************************************************************************/ |
514 | /*****************************************************************************/ |
448 | /* padlist management and caching */ |
515 | /* padlist management and caching */ |
449 | |
516 | |
450 | static AV * |
517 | ecb_inline PADLIST * |
451 | coro_derive_padlist (pTHX_ CV *cv) |
518 | coro_derive_padlist (pTHX_ CV *cv) |
452 | { |
519 | { |
453 | AV *padlist = CvPADLIST (cv); |
520 | PADLIST *padlist = CvPADLIST (cv); |
454 | AV *newpadlist, *newpad; |
521 | PADLIST *newpadlist; |
|
|
522 | PAD *newpad; |
|
|
523 | PADOFFSET off = PadlistMAX (padlist) + 1; |
455 | |
524 | |
456 | newpadlist = newAV (); |
525 | #if NEWPADAPI |
|
|
526 | |
|
|
527 | /* if we had the original CvDEPTH, we might be able to steal the CvDEPTH+1 entry instead */ |
|
|
528 | /* 20131102194744.GA6705@schmorp.de, 20131102195825.2013.qmail@lists-nntp.develooper.com */ |
|
|
529 | while (!PadlistARRAY (padlist)[off - 1]) |
|
|
530 | --off; |
|
|
531 | |
|
|
532 | Perl_pad_push (aTHX_ padlist, off); |
|
|
533 | |
|
|
534 | newpad = PadlistARRAY (padlist)[off]; |
|
|
535 | PadlistARRAY (padlist)[off] = 0; |
|
|
536 | |
|
|
537 | #else |
|
|
538 | |
|
|
539 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
540 | Perl_pad_push (aTHX_ padlist, off); |
|
|
541 | #else |
|
|
542 | Perl_pad_push (aTHX_ padlist, off, 1); |
|
|
543 | #endif |
|
|
544 | |
|
|
545 | newpad = PadlistARRAY (padlist)[off]; |
|
|
546 | PadlistMAX (padlist) = off - 1; |
|
|
547 | |
|
|
548 | #endif |
|
|
549 | |
|
|
550 | newPADLIST (newpadlist); |
|
|
551 | #if !PERL_VERSION_ATLEAST(5,15,3) |
|
|
552 | /* Padlists are AvREAL as of 5.15.3. See perl bug #98092 and perl commit 7d953ba. */ |
457 | AvREAL_off (newpadlist); |
553 | AvREAL_off (newpadlist); |
458 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
459 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1); |
|
|
460 | #else |
|
|
461 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
|
|
462 | #endif |
554 | #endif |
463 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
|
|
464 | --AvFILLp (padlist); |
|
|
465 | |
555 | |
466 | av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0])); |
556 | /* Already extended to 2 elements by newPADLIST. */ |
467 | av_store (newpadlist, 1, (SV *)newpad); |
557 | PadlistMAX (newpadlist) = 1; |
|
|
558 | PadlistNAMES (newpadlist) = (PADNAMELIST *)SvREFCNT_inc_NN (PadlistNAMES (padlist)); |
|
|
559 | PadlistARRAY (newpadlist)[1] = newpad; |
468 | |
560 | |
469 | return newpadlist; |
561 | return newpadlist; |
470 | } |
562 | } |
471 | |
563 | |
472 | static void |
564 | ecb_inline void |
473 | free_padlist (pTHX_ AV *padlist) |
565 | free_padlist (pTHX_ PADLIST *padlist) |
474 | { |
566 | { |
475 | /* may be during global destruction */ |
567 | /* may be during global destruction */ |
476 | if (!IN_DESTRUCT) |
568 | if (!IN_DESTRUCT) |
477 | { |
569 | { |
478 | I32 i = AvFILLp (padlist); |
570 | I32 i = PadlistMAX (padlist); |
479 | |
571 | |
480 | while (i > 0) /* special-case index 0 */ |
572 | while (i > 0) /* special-case index 0 */ |
481 | { |
573 | { |
482 | /* we try to be extra-careful here */ |
574 | /* we try to be extra-careful here */ |
483 | AV *av = (AV *)AvARRAY (padlist)[i--]; |
575 | PAD *pad = PadlistARRAY (padlist)[i--]; |
484 | I32 j = AvFILLp (av); |
|
|
485 | |
576 | |
|
|
577 | if (pad) |
|
|
578 | { |
|
|
579 | I32 j = PadMAX (pad); |
|
|
580 | |
486 | while (j >= 0) |
581 | while (j >= 0) |
487 | SvREFCNT_dec (AvARRAY (av)[j--]); |
582 | SvREFCNT_dec (PadARRAY (pad)[j--]); |
488 | |
583 | |
489 | AvFILLp (av) = -1; |
584 | PadMAX (pad) = -1; |
490 | SvREFCNT_dec (av); |
585 | SvREFCNT_dec (pad); |
|
|
586 | } |
491 | } |
587 | } |
492 | |
588 | |
493 | SvREFCNT_dec (AvARRAY (padlist)[0]); |
589 | SvREFCNT_dec (PadlistNAMES (padlist)); |
494 | |
590 | |
|
|
591 | #if NEWPADAPI |
|
|
592 | Safefree (PadlistARRAY (padlist)); |
|
|
593 | Safefree (padlist); |
|
|
594 | #else |
495 | AvFILLp (padlist) = -1; |
595 | AvFILLp (padlist) = -1; |
|
|
596 | AvREAL_off (padlist); |
496 | SvREFCNT_dec ((SV*)padlist); |
597 | SvREFCNT_dec ((SV*)padlist); |
|
|
598 | #endif |
497 | } |
599 | } |
498 | } |
600 | } |
499 | |
601 | |
500 | static int |
602 | static int |
501 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
603 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
502 | { |
604 | { |
503 | AV *padlist; |
605 | PADLIST *padlist; |
504 | AV *av = (AV *)mg->mg_obj; |
606 | PADLIST **padlists = (PADLIST **)(mg->mg_ptr + sizeof(size_t)); |
|
|
607 | size_t len = *(size_t *)mg->mg_ptr; |
505 | |
608 | |
506 | /* perl manages to free our internal AV and _then_ call us */ |
609 | /* perl manages to free our internal AV and _then_ call us */ |
507 | if (IN_DESTRUCT) |
610 | if (IN_DESTRUCT) |
508 | return 0; |
611 | return 0; |
509 | |
612 | |
510 | /* casting is fun. */ |
613 | while (len--) |
511 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
|
|
512 | free_padlist (aTHX_ padlist); |
614 | free_padlist (aTHX_ padlists[len]); |
513 | |
|
|
514 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
|
|
515 | |
615 | |
516 | return 0; |
616 | return 0; |
517 | } |
617 | } |
518 | |
618 | |
519 | static MGVTBL coro_cv_vtbl = { |
619 | static MGVTBL coro_cv_vtbl = { |
520 | 0, 0, 0, 0, |
620 | 0, 0, 0, 0, |
521 | coro_cv_free |
621 | coro_cv_free |
522 | }; |
622 | }; |
523 | |
623 | |
524 | /* the next two functions merely cache the padlists */ |
624 | /* the next two functions merely cache the padlists */ |
525 | static void |
625 | ecb_inline void |
526 | get_padlist (pTHX_ CV *cv) |
626 | get_padlist (pTHX_ CV *cv) |
527 | { |
627 | { |
528 | MAGIC *mg = CORO_MAGIC_cv (cv); |
628 | MAGIC *mg = CORO_MAGIC_cv (cv); |
529 | AV *av; |
629 | size_t *lenp; |
530 | |
630 | |
531 | if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
631 | if (ecb_expect_true (mg && *(lenp = (size_t *)mg->mg_ptr))) |
532 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
632 | CvPADLIST (cv) = ((PADLIST **)(mg->mg_ptr + sizeof(size_t)))[--*lenp]; |
533 | else |
633 | else |
534 | { |
634 | { |
535 | #if CORO_PREFER_PERL_FUNCTIONS |
635 | #if CORO_PREFER_PERL_FUNCTIONS |
536 | /* this is probably cleaner? but also slower! */ |
636 | /* this is probably cleaner? but also slower! */ |
537 | /* in practise, it seems to be less stable */ |
637 | /* in practise, it seems to be less stable */ |
… | |
… | |
543 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
643 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
544 | #endif |
644 | #endif |
545 | } |
645 | } |
546 | } |
646 | } |
547 | |
647 | |
548 | static void |
648 | ecb_inline void |
549 | put_padlist (pTHX_ CV *cv) |
649 | put_padlist (pTHX_ CV *cv) |
550 | { |
650 | { |
551 | MAGIC *mg = CORO_MAGIC_cv (cv); |
651 | MAGIC *mg = CORO_MAGIC_cv (cv); |
552 | AV *av; |
|
|
553 | |
652 | |
554 | if (expect_false (!mg)) |
653 | if (ecb_expect_false (!mg)) |
|
|
654 | { |
555 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
655 | mg = sv_magicext ((SV *)cv, 0, CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
|
|
656 | Newz (0, mg->mg_ptr ,sizeof (size_t) + sizeof (PADLIST *), char); |
|
|
657 | mg->mg_len = 1; /* so mg_free frees mg_ptr */ |
|
|
658 | } |
|
|
659 | else |
|
|
660 | Renew (mg->mg_ptr, |
|
|
661 | sizeof(size_t) + (*(size_t *)mg->mg_ptr + 1) * sizeof(PADLIST *), |
|
|
662 | char); |
556 | |
663 | |
557 | av = (AV *)mg->mg_obj; |
664 | ((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 | } |
665 | } |
564 | |
666 | |
565 | /** load & save, init *******************************************************/ |
667 | /** load & save, init *******************************************************/ |
566 | |
668 | |
|
|
669 | ecb_inline void |
|
|
670 | swap_sv (SV *a, SV *b) |
|
|
671 | { |
|
|
672 | const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */ |
|
|
673 | SV tmp; |
|
|
674 | |
|
|
675 | /* swap sv_any */ |
|
|
676 | SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp); |
|
|
677 | |
|
|
678 | /* swap sv_flags */ |
|
|
679 | SvFLAGS (&tmp) = SvFLAGS (a); |
|
|
680 | SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep); |
|
|
681 | SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep); |
|
|
682 | |
|
|
683 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
684 | /* perl 5.10 and later complicates this _quite_ a bit, but it also |
|
|
685 | * is much faster, so no quarrels here. alternatively, we could |
|
|
686 | * sv_upgrade to avoid this. |
|
|
687 | */ |
|
|
688 | { |
|
|
689 | /* swap sv_u */ |
|
|
690 | tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u; |
|
|
691 | |
|
|
692 | /* if SvANY points to the head, we need to adjust the pointers, |
|
|
693 | * as the pointer for a still points to b, and maybe vice versa. |
|
|
694 | */ |
|
|
695 | #define svany_in_head(type) \ |
|
|
696 | (((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type))) |
|
|
697 | |
|
|
698 | if (svany_in_head (SvTYPE (a))) |
|
|
699 | SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a); |
|
|
700 | |
|
|
701 | if (svany_in_head (SvTYPE (b))) |
|
|
702 | SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b); |
|
|
703 | } |
|
|
704 | #endif |
|
|
705 | } |
|
|
706 | |
567 | /* swap sv heads, at least logically */ |
707 | /* swap sv heads, at least logically */ |
568 | static void |
708 | static void |
569 | swap_svs (pTHX_ Coro__State c) |
709 | swap_svs (pTHX_ Coro__State c) |
570 | { |
710 | { |
571 | int i; |
711 | int i; |
572 | |
712 | |
573 | for (i = 0; i <= AvFILLp (c->swap_sv); ) |
713 | for (i = 0; i <= AvFILLp (c->swap_sv); i += 2) |
574 | { |
714 | 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 | * 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 | } |
715 | } |
613 | |
716 | |
614 | #define SWAP_SVS(coro) \ |
717 | #define SWAP_SVS(coro) \ |
615 | if (expect_false ((coro)->swap_sv)) \ |
718 | if (ecb_expect_false ((coro)->swap_sv)) \ |
616 | swap_svs (aTHX_ (coro)) |
719 | swap_svs (aTHX_ (coro)) |
617 | |
720 | |
618 | static void |
721 | static void |
619 | on_enterleave_call (pTHX_ SV *cb); |
722 | on_enterleave_call (pTHX_ SV *cb); |
620 | |
723 | |
… | |
… | |
624 | perl_slots *slot = c->slot; |
727 | perl_slots *slot = c->slot; |
625 | c->slot = 0; |
728 | c->slot = 0; |
626 | |
729 | |
627 | PL_mainstack = c->mainstack; |
730 | PL_mainstack = c->mainstack; |
628 | |
731 | |
629 | GvSV (PL_defgv) = slot->defsv; |
732 | #if CORO_JIT |
630 | GvAV (PL_defgv) = slot->defav; |
733 | load_perl_slots (slot); |
631 | GvSV (PL_errgv) = slot->errsv; |
734 | #else |
632 | GvSV (irsgv) = slot->irsgv; |
|
|
633 | GvHV (PL_hintgv) = slot->hinthv; |
|
|
634 | |
|
|
635 | #define VAR(name,type) PL_ ## name = slot->name; |
735 | #define VARx(name,expr,type) expr = slot->name; |
636 | # include "state.h" |
736 | #include "state.h" |
637 | #undef VAR |
737 | #endif |
638 | |
738 | |
639 | { |
739 | { |
640 | dSP; |
740 | dSP; |
641 | |
741 | |
642 | CV *cv; |
742 | CV *cv; |
643 | |
743 | |
644 | /* now do the ugly restore mess */ |
744 | /* now do the ugly restore mess */ |
645 | while (expect_true (cv = (CV *)POPs)) |
745 | while (ecb_expect_true (cv = (CV *)POPs)) |
646 | { |
746 | { |
647 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
747 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
648 | CvDEPTH (cv) = PTR2IV (POPs); |
748 | CvDEPTH (cv) = PTR2IV (POPs); |
649 | CvPADLIST (cv) = (AV *)POPs; |
749 | CvPADLIST (cv) = (PADLIST *)POPs; |
650 | } |
750 | } |
651 | |
751 | |
652 | PUTBACK; |
752 | PUTBACK; |
653 | } |
753 | } |
654 | |
754 | |
655 | slf_frame = c->slf_frame; |
755 | slf_frame = c->slf_frame; |
656 | CORO_THROW = c->except; |
756 | CORO_THROW = c->except; |
657 | |
757 | |
658 | if (expect_false (enable_times)) |
758 | if (ecb_expect_false (enable_times)) |
659 | { |
759 | { |
660 | if (expect_false (!times_valid)) |
760 | if (ecb_expect_false (!times_valid)) |
661 | coro_times_update (); |
761 | coro_times_update (); |
662 | |
762 | |
663 | coro_times_sub (c); |
763 | coro_times_sub (c); |
664 | } |
764 | } |
665 | |
765 | |
666 | if (expect_false (c->on_enter)) |
766 | if (ecb_expect_false (c->on_enter)) |
667 | { |
767 | { |
668 | int i; |
768 | int i; |
669 | |
769 | |
670 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
770 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
671 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
771 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
… | |
… | |
677 | static void |
777 | static void |
678 | save_perl (pTHX_ Coro__State c) |
778 | save_perl (pTHX_ Coro__State c) |
679 | { |
779 | { |
680 | SWAP_SVS (c); |
780 | SWAP_SVS (c); |
681 | |
781 | |
682 | if (expect_false (c->on_leave)) |
782 | if (ecb_expect_false (c->on_leave)) |
683 | { |
783 | { |
684 | int i; |
784 | int i; |
685 | |
785 | |
686 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
786 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
687 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
787 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
688 | } |
788 | } |
689 | |
789 | |
690 | times_valid = 0; |
790 | times_valid = 0; |
691 | |
791 | |
692 | if (expect_false (enable_times)) |
792 | if (ecb_expect_false (enable_times)) |
693 | { |
793 | { |
694 | coro_times_update (); times_valid = 1; |
794 | coro_times_update (); times_valid = 1; |
695 | coro_times_add (c); |
795 | coro_times_add (c); |
696 | } |
796 | } |
697 | |
797 | |
… | |
… | |
711 | |
811 | |
712 | XPUSHs (Nullsv); |
812 | XPUSHs (Nullsv); |
713 | /* this loop was inspired by pp_caller */ |
813 | /* this loop was inspired by pp_caller */ |
714 | for (;;) |
814 | for (;;) |
715 | { |
815 | { |
716 | while (expect_true (cxix >= 0)) |
816 | while (ecb_expect_true (cxix >= 0)) |
717 | { |
817 | { |
718 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
818 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
719 | |
819 | |
720 | if (expect_true (CxTYPE (cx) == CXt_SUB) || expect_false (CxTYPE (cx) == CXt_FORMAT)) |
820 | if (ecb_expect_true (CxTYPE (cx) == CXt_SUB) || ecb_expect_false (CxTYPE (cx) == CXt_FORMAT)) |
721 | { |
821 | { |
722 | CV *cv = cx->blk_sub.cv; |
822 | CV *cv = cx->blk_sub.cv; |
723 | |
823 | |
724 | if (expect_true (CvDEPTH (cv))) |
824 | if (ecb_expect_true (CvDEPTH (cv))) |
725 | { |
825 | { |
726 | EXTEND (SP, 3); |
826 | EXTEND (SP, 3); |
727 | PUSHs ((SV *)CvPADLIST (cv)); |
827 | PUSHs ((SV *)CvPADLIST (cv)); |
728 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
828 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
729 | PUSHs ((SV *)cv); |
829 | PUSHs ((SV *)cv); |
… | |
… | |
732 | get_padlist (aTHX_ cv); |
832 | get_padlist (aTHX_ cv); |
733 | } |
833 | } |
734 | } |
834 | } |
735 | } |
835 | } |
736 | |
836 | |
737 | if (expect_true (top_si->si_type == PERLSI_MAIN)) |
837 | if (ecb_expect_true (top_si->si_type == PERLSI_MAIN)) |
738 | break; |
838 | break; |
739 | |
839 | |
740 | top_si = top_si->si_prev; |
840 | top_si = top_si->si_prev; |
741 | ccstk = top_si->si_cxstack; |
841 | ccstk = top_si->si_cxstack; |
742 | cxix = top_si->si_cxix; |
842 | cxix = top_si->si_cxix; |
… | |
… | |
744 | |
844 | |
745 | PUTBACK; |
845 | PUTBACK; |
746 | } |
846 | } |
747 | |
847 | |
748 | /* allocate some space on the context stack for our purposes */ |
848 | /* allocate some space on the context stack for our purposes */ |
749 | /* we manually unroll here, as usually 2 slots is enough */ |
849 | 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 | { |
850 | { |
754 | unsigned int i; |
851 | unsigned int i; |
|
|
852 | |
755 | for (i = 3; i < SLOT_COUNT; ++i) |
853 | for (i = 0; i < SLOT_COUNT; ++i) |
756 | CXINC; |
854 | CXINC; |
757 | } |
855 | |
758 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
856 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
|
|
857 | } |
759 | |
858 | |
760 | c->mainstack = PL_mainstack; |
859 | c->mainstack = PL_mainstack; |
761 | |
860 | |
762 | { |
861 | { |
763 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
862 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
764 | |
863 | |
765 | slot->defav = GvAV (PL_defgv); |
864 | #if CORO_JIT |
766 | slot->defsv = DEFSV; |
865 | save_perl_slots (slot); |
767 | slot->errsv = ERRSV; |
866 | #else |
768 | slot->irsgv = GvSV (irsgv); |
|
|
769 | slot->hinthv = GvHV (PL_hintgv); |
|
|
770 | |
|
|
771 | #define VAR(name,type) slot->name = PL_ ## name; |
867 | #define VARx(name,expr,type) slot->name = expr; |
772 | # include "state.h" |
868 | #include "state.h" |
773 | #undef VAR |
869 | #endif |
774 | } |
870 | } |
775 | } |
871 | } |
776 | |
872 | |
777 | /* |
873 | /* |
778 | * allocate various perl stacks. This is almost an exact copy |
874 | * allocate various perl stacks. This is almost an exact copy |
… | |
… | |
784 | # define coro_init_stacks(thx) init_stacks () |
880 | # define coro_init_stacks(thx) init_stacks () |
785 | #else |
881 | #else |
786 | static void |
882 | static void |
787 | coro_init_stacks (pTHX) |
883 | coro_init_stacks (pTHX) |
788 | { |
884 | { |
789 | PL_curstackinfo = new_stackinfo(32, 8); |
885 | 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; |
886 | PL_curstackinfo->si_type = PERLSI_MAIN; |
791 | PL_curstack = PL_curstackinfo->si_stack; |
887 | PL_curstack = PL_curstackinfo->si_stack; |
792 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
888 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
793 | |
889 | |
794 | PL_stack_base = AvARRAY(PL_curstack); |
890 | PL_stack_base = AvARRAY(PL_curstack); |
… | |
… | |
809 | #endif |
905 | #endif |
810 | |
906 | |
811 | New(54,PL_scopestack,8,I32); |
907 | New(54,PL_scopestack,8,I32); |
812 | PL_scopestack_ix = 0; |
908 | PL_scopestack_ix = 0; |
813 | PL_scopestack_max = 8; |
909 | PL_scopestack_max = 8; |
|
|
910 | #if HAS_SCOPESTACK_NAME |
|
|
911 | New(54,PL_scopestack_name,8,const char*); |
|
|
912 | #endif |
814 | |
913 | |
815 | New(54,PL_savestack,24,ANY); |
914 | New(54,PL_savestack,24,ANY); |
816 | PL_savestack_ix = 0; |
915 | PL_savestack_ix = 0; |
817 | PL_savestack_max = 24; |
916 | PL_savestack_max = 24; |
818 | |
917 | |
… | |
… | |
846 | } |
945 | } |
847 | |
946 | |
848 | Safefree (PL_tmps_stack); |
947 | Safefree (PL_tmps_stack); |
849 | Safefree (PL_markstack); |
948 | Safefree (PL_markstack); |
850 | Safefree (PL_scopestack); |
949 | Safefree (PL_scopestack); |
|
|
950 | #if HAS_SCOPESTACK_NAME |
|
|
951 | Safefree (PL_scopestack_name); |
|
|
952 | #endif |
851 | Safefree (PL_savestack); |
953 | Safefree (PL_savestack); |
852 | #if !PERL_VERSION_ATLEAST (5,10,0) |
954 | #if !PERL_VERSION_ATLEAST (5,10,0) |
853 | Safefree (PL_retstack); |
955 | Safefree (PL_retstack); |
854 | #endif |
956 | #endif |
855 | } |
957 | } |
… | |
… | |
901 | #endif |
1003 | #endif |
902 | |
1004 | |
903 | /* |
1005 | /* |
904 | * This overrides the default magic get method of %SIG elements. |
1006 | * 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 |
1007 | * 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 |
1008 | * and instead of trying to save and restore the hash elements (extremely slow), |
907 | * readback here. |
1009 | * we just provide our own readback here. |
908 | */ |
1010 | */ |
909 | static int |
1011 | static int ecb_cold |
910 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
1012 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
911 | { |
1013 | { |
912 | const char *s = MgPV_nolen_const (mg); |
1014 | const char *s = MgPV_nolen_const (mg); |
913 | |
1015 | |
914 | if (*s == '_') |
1016 | if (*s == '_') |
915 | { |
1017 | { |
916 | SV **svp = 0; |
1018 | SV **svp = 0; |
917 | |
1019 | |
918 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
1020 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
919 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
1021 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
920 | |
1022 | |
921 | if (svp) |
1023 | if (svp) |
922 | { |
1024 | { |
923 | sv_setsv (sv, *svp ? *svp : &PL_sv_undef); |
1025 | SV *ssv; |
|
|
1026 | |
|
|
1027 | if (!*svp) |
|
|
1028 | ssv = &PL_sv_undef; |
|
|
1029 | else if (SvTYPE (*svp) == SVt_PVCV) /* perlio directly stores a CV in warnhook. ugh. */ |
|
|
1030 | ssv = sv_2mortal (newRV_inc (*svp)); |
|
|
1031 | else |
|
|
1032 | ssv = *svp; |
|
|
1033 | |
|
|
1034 | sv_setsv (sv, ssv); |
924 | return 0; |
1035 | return 0; |
925 | } |
1036 | } |
926 | } |
1037 | } |
927 | |
1038 | |
928 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
1039 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
929 | } |
1040 | } |
930 | |
1041 | |
931 | static int |
1042 | static int ecb_cold |
932 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
1043 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
933 | { |
1044 | { |
934 | const char *s = MgPV_nolen_const (mg); |
1045 | const char *s = MgPV_nolen_const (mg); |
935 | |
1046 | |
936 | if (*s == '_') |
1047 | if (*s == '_') |
… | |
… | |
950 | } |
1061 | } |
951 | |
1062 | |
952 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
1063 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
953 | } |
1064 | } |
954 | |
1065 | |
955 | static int |
1066 | static int ecb_cold |
956 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
1067 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
957 | { |
1068 | { |
958 | const char *s = MgPV_nolen_const (mg); |
1069 | const char *s = MgPV_nolen_const (mg); |
959 | |
1070 | |
960 | if (*s == '_') |
1071 | if (*s == '_') |
… | |
… | |
995 | return 1; |
1106 | return 1; |
996 | } |
1107 | } |
997 | |
1108 | |
998 | static UNOP init_perl_op; |
1109 | static UNOP init_perl_op; |
999 | |
1110 | |
1000 | static void NOINLINE /* noinline to keep it out of the transfer fast path */ |
1111 | ecb_noinline static void /* noinline to keep it out of the transfer fast path */ |
1001 | init_perl (pTHX_ struct coro *coro) |
1112 | init_perl (pTHX_ struct coro *coro) |
1002 | { |
1113 | { |
1003 | /* |
1114 | /* |
1004 | * emulate part of the perl startup here. |
1115 | * emulate part of the perl startup here. |
1005 | */ |
1116 | */ |
… | |
… | |
1020 | PL_parser = 0; |
1131 | PL_parser = 0; |
1021 | #endif |
1132 | #endif |
1022 | PL_hints = 0; |
1133 | PL_hints = 0; |
1023 | |
1134 | |
1024 | /* recreate the die/warn hooks */ |
1135 | /* recreate the die/warn hooks */ |
1025 | PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); |
1136 | PL_diehook = SvREFCNT_inc (rv_diehook); |
1026 | PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook); |
1137 | PL_warnhook = SvREFCNT_inc (rv_warnhook); |
1027 | |
1138 | |
1028 | GvSV (PL_defgv) = newSV (0); |
1139 | GvSV (PL_defgv) = newSV (0); |
1029 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1140 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1030 | GvSV (PL_errgv) = newSV (0); |
1141 | GvSV (PL_errgv) = newSV (0); |
1031 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
1142 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
1032 | GvHV (PL_hintgv) = 0; |
1143 | GvHV (PL_hintgv) = 0; |
… | |
… | |
1052 | /* this newly created coroutine might be run on an existing cctx which most |
1163 | /* this newly created coroutine might be run on an existing cctx which most |
1053 | * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. |
1164 | * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. |
1054 | */ |
1165 | */ |
1055 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
1166 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
1056 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
1167 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
|
|
1168 | slf_frame.destroy = 0; |
1057 | |
1169 | |
1058 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
1170 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
1059 | init_perl_op.op_next = PL_op; |
1171 | init_perl_op.op_next = PL_op; |
1060 | init_perl_op.op_type = OP_ENTERSUB; |
1172 | init_perl_op.op_type = OP_ENTERSUB; |
1061 | init_perl_op.op_ppaddr = pp_slf; |
1173 | init_perl_op.op_ppaddr = pp_slf; |
… | |
… | |
1066 | /* copy throw, in case it was set before init_perl */ |
1178 | /* copy throw, in case it was set before init_perl */ |
1067 | CORO_THROW = coro->except; |
1179 | CORO_THROW = coro->except; |
1068 | |
1180 | |
1069 | SWAP_SVS (coro); |
1181 | SWAP_SVS (coro); |
1070 | |
1182 | |
1071 | if (expect_false (enable_times)) |
1183 | if (ecb_expect_false (enable_times)) |
1072 | { |
1184 | { |
1073 | coro_times_update (); |
1185 | coro_times_update (); |
1074 | coro_times_sub (coro); |
1186 | coro_times_sub (coro); |
1075 | } |
1187 | } |
1076 | } |
1188 | } |
… | |
… | |
1100 | destroy_perl (pTHX_ struct coro *coro) |
1212 | destroy_perl (pTHX_ struct coro *coro) |
1101 | { |
1213 | { |
1102 | SV *svf [9]; |
1214 | SV *svf [9]; |
1103 | |
1215 | |
1104 | { |
1216 | { |
|
|
1217 | SV *old_current = SvRV (coro_current); |
1105 | struct coro *current = SvSTATE_current; |
1218 | struct coro *current = SvSTATE (old_current); |
1106 | |
1219 | |
1107 | assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack)); |
1220 | assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack)); |
1108 | |
1221 | |
1109 | save_perl (aTHX_ current); |
1222 | save_perl (aTHX_ current); |
|
|
1223 | |
|
|
1224 | /* this will cause transfer_check to croak on block*/ |
|
|
1225 | SvRV_set (coro_current, (SV *)coro->hv); |
|
|
1226 | |
1110 | load_perl (aTHX_ coro); |
1227 | load_perl (aTHX_ coro); |
1111 | |
1228 | |
1112 | coro_unwind_stacks (aTHX); |
1229 | coro_unwind_stacks (aTHX); |
1113 | coro_destruct_stacks (aTHX); |
|
|
1114 | |
1230 | |
1115 | /* restore swapped sv's */ |
1231 | /* restore swapped sv's */ |
1116 | SWAP_SVS (coro); |
1232 | SWAP_SVS (coro); |
1117 | |
1233 | |
|
|
1234 | coro_destruct_stacks (aTHX); |
|
|
1235 | |
1118 | // now save some sv's to be free'd later |
1236 | /* now save some sv's to be free'd later */ |
1119 | svf [0] = GvSV (PL_defgv); |
1237 | svf [0] = GvSV (PL_defgv); |
1120 | svf [1] = (SV *)GvAV (PL_defgv); |
1238 | svf [1] = (SV *)GvAV (PL_defgv); |
1121 | svf [2] = GvSV (PL_errgv); |
1239 | svf [2] = GvSV (PL_errgv); |
1122 | svf [3] = (SV *)PL_defoutgv; |
1240 | svf [3] = (SV *)PL_defoutgv; |
1123 | svf [4] = PL_rs; |
1241 | svf [4] = PL_rs; |
… | |
… | |
1125 | svf [6] = (SV *)GvHV (PL_hintgv); |
1243 | svf [6] = (SV *)GvHV (PL_hintgv); |
1126 | svf [7] = PL_diehook; |
1244 | svf [7] = PL_diehook; |
1127 | svf [8] = PL_warnhook; |
1245 | svf [8] = PL_warnhook; |
1128 | assert (9 == sizeof (svf) / sizeof (*svf)); |
1246 | assert (9 == sizeof (svf) / sizeof (*svf)); |
1129 | |
1247 | |
|
|
1248 | SvRV_set (coro_current, old_current); |
|
|
1249 | |
1130 | load_perl (aTHX_ current); |
1250 | load_perl (aTHX_ current); |
1131 | } |
1251 | } |
1132 | |
1252 | |
1133 | { |
1253 | { |
1134 | unsigned int i; |
1254 | unsigned int i; |
… | |
… | |
1141 | SvREFCNT_dec (coro->invoke_cb); |
1261 | SvREFCNT_dec (coro->invoke_cb); |
1142 | SvREFCNT_dec (coro->invoke_av); |
1262 | SvREFCNT_dec (coro->invoke_av); |
1143 | } |
1263 | } |
1144 | } |
1264 | } |
1145 | |
1265 | |
1146 | INLINE void |
1266 | ecb_inline void |
1147 | free_coro_mortal (pTHX) |
1267 | free_coro_mortal (pTHX) |
1148 | { |
1268 | { |
1149 | if (expect_true (coro_mortal)) |
1269 | if (ecb_expect_true (coro_mortal)) |
1150 | { |
1270 | { |
1151 | SvREFCNT_dec (coro_mortal); |
1271 | SvREFCNT_dec ((SV *)coro_mortal); |
1152 | coro_mortal = 0; |
1272 | coro_mortal = 0; |
1153 | } |
1273 | } |
1154 | } |
1274 | } |
1155 | |
1275 | |
1156 | static int |
1276 | static int |
… | |
… | |
1289 | |
1409 | |
1290 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1410 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1291 | } |
1411 | } |
1292 | |
1412 | |
1293 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1413 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1294 | static void NOINLINE |
1414 | static void ecb_noinline |
1295 | cctx_prepare (pTHX) |
1415 | cctx_prepare (pTHX) |
1296 | { |
1416 | { |
1297 | PL_top_env = &PL_start_env; |
1417 | PL_top_env = &PL_start_env; |
1298 | |
1418 | |
1299 | if (cctx_current->flags & CC_TRACE) |
1419 | if (cctx_current->flags & CC_TRACE) |
… | |
… | |
1310 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1430 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1311 | slf_frame.check = slf_check_set_stacklevel; |
1431 | slf_frame.check = slf_check_set_stacklevel; |
1312 | } |
1432 | } |
1313 | |
1433 | |
1314 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1434 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1315 | INLINE void |
1435 | ecb_inline void |
1316 | transfer_tail (pTHX) |
1436 | transfer_tail (pTHX) |
1317 | { |
1437 | { |
1318 | free_coro_mortal (aTHX); |
1438 | free_coro_mortal (aTHX); |
|
|
1439 | } |
|
|
1440 | |
|
|
1441 | /* try to exit the same way perl's main function would do */ |
|
|
1442 | /* we do not bother resetting the environment or other things *7 |
|
|
1443 | /* that are not, uhm, essential */ |
|
|
1444 | /* this obviously also doesn't work when perl is embedded */ |
|
|
1445 | static void ecb_noinline ecb_cold |
|
|
1446 | perlish_exit (pTHX) |
|
|
1447 | { |
|
|
1448 | int exitstatus = perl_destruct (PL_curinterp); |
|
|
1449 | perl_free (PL_curinterp); |
|
|
1450 | exit (exitstatus); |
1319 | } |
1451 | } |
1320 | |
1452 | |
1321 | /* |
1453 | /* |
1322 | * this is a _very_ stripped down perl interpreter ;) |
1454 | * this is a _very_ stripped down perl interpreter ;) |
1323 | */ |
1455 | */ |
… | |
… | |
1352 | */ |
1484 | */ |
1353 | |
1485 | |
1354 | /* |
1486 | /* |
1355 | * If perl-run returns we assume exit() was being called or the coro |
1487 | * If perl-run returns we assume exit() was being called or the coro |
1356 | * fell off the end, which seems to be the only valid (non-bug) |
1488 | * fell off the end, which seems to be the only valid (non-bug) |
1357 | * reason for perl_run to return. We try to exit by jumping to the |
1489 | * reason for perl_run to return. We try to mimic whatever perl is normally |
1358 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
1490 | * doing in that case. YMMV. |
1359 | * coroutine as Coro has no such concept. |
|
|
1360 | * This actually isn't valid with the pthread backend, but OSes requiring |
|
|
1361 | * that backend are too broken to do it in a standards-compliant way. |
|
|
1362 | */ |
1491 | */ |
1363 | PL_top_env = main_top_env; |
1492 | perlish_exit (aTHX); |
1364 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
|
|
1365 | } |
1493 | } |
1366 | } |
1494 | } |
1367 | |
1495 | |
1368 | static coro_cctx * |
1496 | static coro_cctx * |
1369 | cctx_new () |
1497 | cctx_new (void) |
1370 | { |
1498 | { |
1371 | coro_cctx *cctx; |
1499 | coro_cctx *cctx; |
1372 | |
1500 | |
1373 | ++cctx_count; |
1501 | ++cctx_count; |
1374 | New (0, cctx, 1, coro_cctx); |
1502 | New (0, cctx, 1, coro_cctx); |
… | |
… | |
1380 | return cctx; |
1508 | return cctx; |
1381 | } |
1509 | } |
1382 | |
1510 | |
1383 | /* create a new cctx only suitable as source */ |
1511 | /* create a new cctx only suitable as source */ |
1384 | static coro_cctx * |
1512 | static coro_cctx * |
1385 | cctx_new_empty () |
1513 | cctx_new_empty (void) |
1386 | { |
1514 | { |
1387 | coro_cctx *cctx = cctx_new (); |
1515 | coro_cctx *cctx = cctx_new (); |
1388 | |
1516 | |
1389 | cctx->sptr = 0; |
1517 | cctx->stack.sptr = 0; |
1390 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
1518 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
1391 | |
1519 | |
1392 | return cctx; |
1520 | return cctx; |
1393 | } |
1521 | } |
1394 | |
1522 | |
1395 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1523 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1396 | static coro_cctx * |
1524 | static coro_cctx * |
1397 | cctx_new_run () |
1525 | cctx_new_run (void) |
1398 | { |
1526 | { |
1399 | coro_cctx *cctx = cctx_new (); |
1527 | coro_cctx *cctx = cctx_new (); |
1400 | void *stack_start; |
|
|
1401 | size_t stack_size; |
|
|
1402 | |
1528 | |
1403 | #if HAVE_MMAP |
1529 | if (!coro_stack_alloc (&cctx->stack, cctx_stacksize)) |
1404 | cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
|
|
1405 | /* mmap supposedly does allocate-on-write for us */ |
|
|
1406 | cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
|
|
1407 | |
|
|
1408 | if (cctx->sptr != (void *)-1) |
|
|
1409 | { |
|
|
1410 | #if CORO_STACKGUARD |
|
|
1411 | mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); |
|
|
1412 | #endif |
|
|
1413 | stack_start = (char *)cctx->sptr + CORO_STACKGUARD * PAGESIZE; |
|
|
1414 | stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE; |
|
|
1415 | cctx->flags |= CC_MAPPED; |
|
|
1416 | } |
1530 | { |
1417 | else |
|
|
1418 | #endif |
|
|
1419 | { |
|
|
1420 | cctx->ssize = cctx_stacksize * (long)sizeof (long); |
|
|
1421 | New (0, cctx->sptr, cctx_stacksize, long); |
|
|
1422 | |
|
|
1423 | if (!cctx->sptr) |
|
|
1424 | { |
|
|
1425 | perror ("FATAL: unable to allocate stack for coroutine, exiting."); |
1531 | perror ("FATAL: unable to allocate stack for coroutine, exiting."); |
1426 | _exit (EXIT_FAILURE); |
1532 | _exit (EXIT_FAILURE); |
1427 | } |
|
|
1428 | |
|
|
1429 | stack_start = cctx->sptr; |
|
|
1430 | stack_size = cctx->ssize; |
|
|
1431 | } |
1533 | } |
1432 | |
1534 | |
1433 | #if CORO_USE_VALGRIND |
|
|
1434 | cctx->valgrind_id = VALGRIND_STACK_REGISTER ((char *)stack_start, (char *)stack_start + stack_size); |
|
|
1435 | #endif |
|
|
1436 | |
|
|
1437 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size); |
1535 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, cctx->stack.sptr, cctx->stack.ssze); |
1438 | |
1536 | |
1439 | return cctx; |
1537 | return cctx; |
1440 | } |
1538 | } |
1441 | |
1539 | |
1442 | static void |
1540 | static void |
1443 | cctx_destroy (coro_cctx *cctx) |
1541 | cctx_destroy (coro_cctx *cctx) |
1444 | { |
1542 | { |
1445 | if (!cctx) |
1543 | if (!cctx) |
1446 | return; |
1544 | return; |
1447 | |
1545 | |
1448 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));//D temporary? |
1546 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current)); |
1449 | |
1547 | |
1450 | --cctx_count; |
1548 | --cctx_count; |
1451 | coro_destroy (&cctx->cctx); |
1549 | coro_destroy (&cctx->cctx); |
1452 | |
1550 | |
1453 | /* coro_transfer creates new, empty cctx's */ |
1551 | coro_stack_free (&cctx->stack); |
1454 | if (cctx->sptr) |
|
|
1455 | { |
|
|
1456 | #if CORO_USE_VALGRIND |
|
|
1457 | VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); |
|
|
1458 | #endif |
|
|
1459 | |
|
|
1460 | #if HAVE_MMAP |
|
|
1461 | if (cctx->flags & CC_MAPPED) |
|
|
1462 | munmap (cctx->sptr, cctx->ssize); |
|
|
1463 | else |
|
|
1464 | #endif |
|
|
1465 | Safefree (cctx->sptr); |
|
|
1466 | } |
|
|
1467 | |
1552 | |
1468 | Safefree (cctx); |
1553 | Safefree (cctx); |
1469 | } |
1554 | } |
1470 | |
1555 | |
1471 | /* wether this cctx should be destructed */ |
1556 | /* wether this cctx should be destructed */ |
1472 | #define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) |
1557 | #define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) |
1473 | |
1558 | |
1474 | static coro_cctx * |
1559 | static coro_cctx * |
1475 | cctx_get (pTHX) |
1560 | cctx_get (pTHX) |
1476 | { |
1561 | { |
1477 | while (expect_true (cctx_first)) |
1562 | while (ecb_expect_true (cctx_first)) |
1478 | { |
1563 | { |
1479 | coro_cctx *cctx = cctx_first; |
1564 | coro_cctx *cctx = cctx_first; |
1480 | cctx_first = cctx->next; |
1565 | cctx_first = cctx->next; |
1481 | --cctx_idle; |
1566 | --cctx_idle; |
1482 | |
1567 | |
1483 | if (expect_true (!CCTX_EXPIRED (cctx))) |
1568 | if (ecb_expect_true (!CCTX_EXPIRED (cctx))) |
1484 | return cctx; |
1569 | return cctx; |
1485 | |
1570 | |
1486 | cctx_destroy (cctx); |
1571 | cctx_destroy (cctx); |
1487 | } |
1572 | } |
1488 | |
1573 | |
… | |
… | |
1490 | } |
1575 | } |
1491 | |
1576 | |
1492 | static void |
1577 | static void |
1493 | cctx_put (coro_cctx *cctx) |
1578 | cctx_put (coro_cctx *cctx) |
1494 | { |
1579 | { |
1495 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr)); |
1580 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->stack.sptr)); |
1496 | |
1581 | |
1497 | /* free another cctx if overlimit */ |
1582 | /* free another cctx if overlimit */ |
1498 | if (expect_false (cctx_idle >= cctx_max_idle)) |
1583 | if (ecb_expect_false (cctx_idle >= cctx_max_idle)) |
1499 | { |
1584 | { |
1500 | coro_cctx *first = cctx_first; |
1585 | coro_cctx *first = cctx_first; |
1501 | cctx_first = first->next; |
1586 | cctx_first = first->next; |
1502 | --cctx_idle; |
1587 | --cctx_idle; |
1503 | |
1588 | |
… | |
… | |
1514 | static void |
1599 | static void |
1515 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1600 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1516 | { |
1601 | { |
1517 | /* TODO: throwing up here is considered harmful */ |
1602 | /* TODO: throwing up here is considered harmful */ |
1518 | |
1603 | |
1519 | if (expect_true (prev != next)) |
1604 | if (ecb_expect_true (prev != next)) |
1520 | { |
1605 | { |
1521 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1606 | if (ecb_expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1522 | croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); |
1607 | croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); |
1523 | |
1608 | |
1524 | if (expect_false (next->flags & (CF_RUNNING | CF_DESTROYED | CF_SUSPENDED))) |
1609 | if (ecb_expect_false (next->flags & (CF_RUNNING | CF_ZOMBIE | CF_SUSPENDED))) |
1525 | croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); |
1610 | croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); |
1526 | |
1611 | |
1527 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1612 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1528 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1613 | if (ecb_expect_false (PL_lex_state != LEX_NOTPARSING)) |
1529 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1614 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1530 | #endif |
1615 | #endif |
1531 | } |
1616 | } |
1532 | } |
1617 | } |
1533 | |
1618 | |
1534 | /* always use the TRANSFER macro */ |
1619 | /* always use the TRANSFER macro */ |
1535 | static void NOINLINE /* noinline so we have a fixed stackframe */ |
1620 | static void ecb_noinline /* noinline so we have a fixed stackframe */ |
1536 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1621 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1537 | { |
1622 | { |
1538 | dSTACKLEVEL; |
1623 | dSTACKLEVEL; |
1539 | |
1624 | |
1540 | /* sometimes transfer is only called to set idle_sp */ |
1625 | /* sometimes transfer is only called to set idle_sp */ |
1541 | if (expect_false (!prev)) |
1626 | if (ecb_expect_false (!prev)) |
1542 | { |
1627 | { |
1543 | cctx_current->idle_sp = STACKLEVEL; |
1628 | cctx_current->idle_sp = STACKLEVEL; |
1544 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1629 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1545 | } |
1630 | } |
1546 | else if (expect_true (prev != next)) |
1631 | else if (ecb_expect_true (prev != next)) |
1547 | { |
1632 | { |
1548 | coro_cctx *cctx_prev; |
1633 | coro_cctx *cctx_prev; |
1549 | |
1634 | |
1550 | if (expect_false (prev->flags & CF_NEW)) |
1635 | if (ecb_expect_false (prev->flags & CF_NEW)) |
1551 | { |
1636 | { |
1552 | /* create a new empty/source context */ |
1637 | /* create a new empty/source context */ |
1553 | prev->flags &= ~CF_NEW; |
1638 | prev->flags &= ~CF_NEW; |
1554 | prev->flags |= CF_RUNNING; |
1639 | prev->flags |= CF_RUNNING; |
1555 | } |
1640 | } |
… | |
… | |
1558 | next->flags |= CF_RUNNING; |
1643 | next->flags |= CF_RUNNING; |
1559 | |
1644 | |
1560 | /* first get rid of the old state */ |
1645 | /* first get rid of the old state */ |
1561 | save_perl (aTHX_ prev); |
1646 | save_perl (aTHX_ prev); |
1562 | |
1647 | |
1563 | if (expect_false (next->flags & CF_NEW)) |
1648 | if (ecb_expect_false (next->flags & CF_NEW)) |
1564 | { |
1649 | { |
1565 | /* need to start coroutine */ |
1650 | /* need to start coroutine */ |
1566 | next->flags &= ~CF_NEW; |
1651 | next->flags &= ~CF_NEW; |
1567 | /* setup coroutine call */ |
1652 | /* setup coroutine call */ |
1568 | init_perl (aTHX_ next); |
1653 | init_perl (aTHX_ next); |
1569 | } |
1654 | } |
1570 | else |
1655 | else |
1571 | load_perl (aTHX_ next); |
1656 | load_perl (aTHX_ next); |
1572 | |
1657 | |
1573 | /* possibly untie and reuse the cctx */ |
1658 | /* possibly untie and reuse the cctx */ |
1574 | if (expect_true ( |
1659 | if (ecb_expect_true ( |
1575 | cctx_current->idle_sp == STACKLEVEL |
1660 | cctx_current->idle_sp == STACKLEVEL |
1576 | && !(cctx_current->flags & CC_TRACE) |
1661 | && !(cctx_current->flags & CC_TRACE) |
1577 | && !force_cctx |
1662 | && !force_cctx |
1578 | )) |
1663 | )) |
1579 | { |
1664 | { |
1580 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1665 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1581 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1666 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1582 | |
1667 | |
1583 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1668 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1584 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1669 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1585 | if (expect_false (CCTX_EXPIRED (cctx_current))) |
1670 | if (ecb_expect_false (CCTX_EXPIRED (cctx_current))) |
1586 | if (expect_true (!next->cctx)) |
1671 | if (ecb_expect_true (!next->cctx)) |
1587 | next->cctx = cctx_get (aTHX); |
1672 | next->cctx = cctx_get (aTHX); |
1588 | |
1673 | |
1589 | cctx_put (cctx_current); |
1674 | cctx_put (cctx_current); |
1590 | } |
1675 | } |
1591 | else |
1676 | else |
1592 | prev->cctx = cctx_current; |
1677 | prev->cctx = cctx_current; |
1593 | |
1678 | |
1594 | ++next->usecount; |
1679 | ++next->usecount; |
1595 | |
1680 | |
1596 | cctx_prev = cctx_current; |
1681 | cctx_prev = cctx_current; |
1597 | cctx_current = expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1682 | cctx_current = ecb_expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1598 | |
1683 | |
1599 | next->cctx = 0; |
1684 | next->cctx = 0; |
1600 | |
1685 | |
1601 | if (expect_false (cctx_prev != cctx_current)) |
1686 | if (ecb_expect_false (cctx_prev != cctx_current)) |
1602 | { |
1687 | { |
1603 | cctx_prev->top_env = PL_top_env; |
1688 | cctx_prev->top_env = PL_top_env; |
1604 | PL_top_env = cctx_current->top_env; |
1689 | PL_top_env = cctx_current->top_env; |
1605 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1690 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1606 | } |
1691 | } |
… | |
… | |
1612 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1697 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1613 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1698 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1614 | |
1699 | |
1615 | /** high level stuff ********************************************************/ |
1700 | /** high level stuff ********************************************************/ |
1616 | |
1701 | |
|
|
1702 | /* this function is actually Coro, not Coro::State, but we call it from here */ |
|
|
1703 | /* because it is convenient - but it hasn't been declared yet for that reason */ |
1617 | static int |
1704 | static void |
|
|
1705 | coro_call_on_destroy (pTHX_ struct coro *coro); |
|
|
1706 | |
|
|
1707 | static void |
1618 | coro_state_destroy (pTHX_ struct coro *coro) |
1708 | coro_state_destroy (pTHX_ struct coro *coro) |
1619 | { |
1709 | { |
1620 | if (coro->flags & CF_DESTROYED) |
1710 | if (coro->flags & CF_ZOMBIE) |
1621 | return 0; |
1711 | return; |
1622 | |
1712 | |
1623 | if (coro->on_destroy && !PL_dirty) |
|
|
1624 | coro->on_destroy (aTHX_ coro); |
1713 | slf_destroy (aTHX_ coro); |
1625 | |
1714 | |
1626 | coro->flags |= CF_DESTROYED; |
1715 | coro->flags |= CF_ZOMBIE; |
1627 | |
1716 | |
1628 | if (coro->flags & CF_READY) |
1717 | if (coro->flags & CF_READY) |
1629 | { |
1718 | { |
1630 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1719 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1631 | /* alternative: look through all ready queues and remove the coro */ |
1720 | /* alternative: look through all ready queues and remove the coro */ |
1632 | --coro_nready; |
1721 | --coro_nready; |
1633 | } |
1722 | } |
1634 | else |
1723 | else |
1635 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
1724 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
|
|
1725 | |
|
|
1726 | if (coro->next) coro->next->prev = coro->prev; |
|
|
1727 | if (coro->prev) coro->prev->next = coro->next; |
|
|
1728 | if (coro == coro_first) coro_first = coro->next; |
1636 | |
1729 | |
1637 | if (coro->mainstack |
1730 | if (coro->mainstack |
1638 | && coro->mainstack != main_mainstack |
1731 | && coro->mainstack != main_mainstack |
1639 | && coro->slot |
1732 | && coro->slot |
1640 | && !PL_dirty) |
1733 | && !PL_dirty) |
1641 | destroy_perl (aTHX_ coro); |
1734 | destroy_perl (aTHX_ coro); |
1642 | |
1735 | |
1643 | if (coro->next) coro->next->prev = coro->prev; |
|
|
1644 | if (coro->prev) coro->prev->next = coro->next; |
|
|
1645 | if (coro == coro_first) coro_first = coro->next; |
|
|
1646 | |
|
|
1647 | cctx_destroy (coro->cctx); |
1736 | cctx_destroy (coro->cctx); |
1648 | SvREFCNT_dec (coro->startcv); |
1737 | SvREFCNT_dec (coro->startcv); |
1649 | SvREFCNT_dec (coro->args); |
1738 | SvREFCNT_dec (coro->args); |
1650 | SvREFCNT_dec (coro->swap_sv); |
1739 | SvREFCNT_dec (coro->swap_sv); |
1651 | SvREFCNT_dec (CORO_THROW); |
1740 | SvREFCNT_dec (CORO_THROW); |
1652 | |
1741 | |
1653 | return 1; |
1742 | coro_call_on_destroy (aTHX_ coro); |
|
|
1743 | |
|
|
1744 | /* more destruction mayhem in coro_state_free */ |
1654 | } |
1745 | } |
1655 | |
1746 | |
1656 | static int |
1747 | static int |
1657 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1748 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1658 | { |
1749 | { |
1659 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1750 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1660 | mg->mg_ptr = 0; |
1751 | mg->mg_ptr = 0; |
1661 | |
1752 | |
1662 | coro->hv = 0; |
|
|
1663 | |
|
|
1664 | if (--coro->refcnt < 0) |
|
|
1665 | { |
|
|
1666 | coro_state_destroy (aTHX_ coro); |
1753 | coro_state_destroy (aTHX_ coro); |
|
|
1754 | SvREFCNT_dec (coro->on_destroy); |
|
|
1755 | SvREFCNT_dec (coro->status); |
|
|
1756 | |
1667 | Safefree (coro); |
1757 | Safefree (coro); |
1668 | } |
|
|
1669 | |
1758 | |
1670 | return 0; |
1759 | return 0; |
1671 | } |
1760 | } |
1672 | |
1761 | |
1673 | static int |
1762 | static int ecb_cold |
1674 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1763 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1675 | { |
1764 | { |
1676 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1765 | /* called when perl clones the current process the slow way (windows process emulation) */ |
1677 | |
1766 | /* WE SIMply nuke the pointers in the copy, causing perl to croak */ |
1678 | ++coro->refcnt; |
1767 | mg->mg_ptr = 0; |
|
|
1768 | mg->mg_virtual = 0; |
1679 | |
1769 | |
1680 | return 0; |
1770 | return 0; |
1681 | } |
1771 | } |
1682 | |
1772 | |
1683 | static MGVTBL coro_state_vtbl = { |
1773 | static MGVTBL coro_state_vtbl = { |
… | |
… | |
1708 | TRANSFER (ta, 1); |
1798 | TRANSFER (ta, 1); |
1709 | } |
1799 | } |
1710 | |
1800 | |
1711 | /** Coro ********************************************************************/ |
1801 | /** Coro ********************************************************************/ |
1712 | |
1802 | |
1713 | INLINE void |
1803 | ecb_inline void |
1714 | coro_enq (pTHX_ struct coro *coro) |
1804 | coro_enq (pTHX_ struct coro *coro) |
1715 | { |
1805 | { |
1716 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1806 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1717 | |
1807 | |
1718 | SvREFCNT_inc_NN (coro->hv); |
1808 | SvREFCNT_inc_NN (coro->hv); |
… | |
… | |
1720 | coro->next_ready = 0; |
1810 | coro->next_ready = 0; |
1721 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
1811 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
1722 | ready [1] = coro; |
1812 | ready [1] = coro; |
1723 | } |
1813 | } |
1724 | |
1814 | |
1725 | INLINE struct coro * |
1815 | ecb_inline struct coro * |
1726 | coro_deq (pTHX) |
1816 | coro_deq (pTHX) |
1727 | { |
1817 | { |
1728 | int prio; |
1818 | int prio; |
1729 | |
1819 | |
1730 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
1820 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
… | |
… | |
1783 | { |
1873 | { |
1784 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1874 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1785 | } |
1875 | } |
1786 | |
1876 | |
1787 | /* expects to own a reference to next->hv */ |
1877 | /* expects to own a reference to next->hv */ |
1788 | INLINE void |
1878 | ecb_inline void |
1789 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1879 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1790 | { |
1880 | { |
1791 | SV *prev_sv = SvRV (coro_current); |
1881 | SV *prev_sv = SvRV (coro_current); |
1792 | |
1882 | |
1793 | ta->prev = SvSTATE_hv (prev_sv); |
1883 | ta->prev = SvSTATE_hv (prev_sv); |
… | |
… | |
1806 | { |
1896 | { |
1807 | for (;;) |
1897 | for (;;) |
1808 | { |
1898 | { |
1809 | struct coro *next = coro_deq (aTHX); |
1899 | struct coro *next = coro_deq (aTHX); |
1810 | |
1900 | |
1811 | if (expect_true (next)) |
1901 | if (ecb_expect_true (next)) |
1812 | { |
1902 | { |
1813 | /* cannot transfer to destroyed coros, skip and look for next */ |
1903 | /* cannot transfer to destroyed coros, skip and look for next */ |
1814 | if (expect_false (next->flags & (CF_DESTROYED | CF_SUSPENDED))) |
1904 | if (ecb_expect_false (next->flags & (CF_ZOMBIE | CF_SUSPENDED))) |
1815 | SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ |
1905 | SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ |
1816 | else |
1906 | else |
1817 | { |
1907 | { |
1818 | next->flags &= ~CF_READY; |
1908 | next->flags &= ~CF_READY; |
1819 | --coro_nready; |
1909 | --coro_nready; |
… | |
… | |
1827 | /* nothing to schedule: call the idle handler */ |
1917 | /* nothing to schedule: call the idle handler */ |
1828 | if (SvROK (sv_idle) |
1918 | if (SvROK (sv_idle) |
1829 | && SvOBJECT (SvRV (sv_idle))) |
1919 | && SvOBJECT (SvRV (sv_idle))) |
1830 | { |
1920 | { |
1831 | if (SvRV (sv_idle) == SvRV (coro_current)) |
1921 | if (SvRV (sv_idle) == SvRV (coro_current)) |
|
|
1922 | { |
|
|
1923 | require_pv ("Carp"); |
|
|
1924 | |
|
|
1925 | { |
|
|
1926 | dSP; |
|
|
1927 | |
|
|
1928 | ENTER; |
|
|
1929 | SAVETMPS; |
|
|
1930 | |
|
|
1931 | PUSHMARK (SP); |
1832 | croak ("FATAL: $Coro::IDLE blocked itself - did you try to block inside an event loop callback? Caught"); |
1932 | XPUSHs (sv_2mortal (newSVpv ("FATAL: $Coro::IDLE blocked itself - did you try to block inside an event loop callback? Caught", 0))); |
|
|
1933 | PUTBACK; |
|
|
1934 | call_pv ("Carp::confess", G_VOID | G_DISCARD); |
|
|
1935 | |
|
|
1936 | FREETMPS; |
|
|
1937 | LEAVE; |
|
|
1938 | } |
|
|
1939 | } |
1833 | |
1940 | |
1834 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
1941 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
1835 | api_ready (aTHX_ SvRV (sv_idle)); |
1942 | api_ready (aTHX_ SvRV (sv_idle)); |
1836 | --coro_nready; |
1943 | --coro_nready; |
1837 | } |
1944 | } |
… | |
… | |
1852 | } |
1959 | } |
1853 | } |
1960 | } |
1854 | } |
1961 | } |
1855 | } |
1962 | } |
1856 | |
1963 | |
1857 | INLINE void |
1964 | ecb_inline void |
1858 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1965 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1859 | { |
1966 | { |
1860 | api_ready (aTHX_ coro_current); |
1967 | api_ready (aTHX_ coro_current); |
1861 | prepare_schedule (aTHX_ ta); |
1968 | prepare_schedule (aTHX_ ta); |
1862 | } |
1969 | } |
1863 | |
1970 | |
1864 | INLINE void |
1971 | ecb_inline void |
1865 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
1972 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
1866 | { |
1973 | { |
1867 | SV *prev = SvRV (coro_current); |
1974 | SV *prev = SvRV (coro_current); |
1868 | |
1975 | |
1869 | if (coro_nready) |
1976 | if (coro_nready) |
… | |
… | |
1899 | { |
2006 | { |
1900 | struct coro_transfer_args ta; |
2007 | struct coro_transfer_args ta; |
1901 | |
2008 | |
1902 | prepare_cede (aTHX_ &ta); |
2009 | prepare_cede (aTHX_ &ta); |
1903 | |
2010 | |
1904 | if (expect_true (ta.prev != ta.next)) |
2011 | if (ecb_expect_true (ta.prev != ta.next)) |
1905 | { |
2012 | { |
1906 | TRANSFER (ta, 1); |
2013 | TRANSFER (ta, 1); |
1907 | return 1; |
2014 | return 1; |
1908 | } |
2015 | } |
1909 | else |
2016 | else |
… | |
… | |
1952 | coro->slot->runops = RUNOPS_DEFAULT; |
2059 | coro->slot->runops = RUNOPS_DEFAULT; |
1953 | } |
2060 | } |
1954 | } |
2061 | } |
1955 | |
2062 | |
1956 | static void |
2063 | static void |
|
|
2064 | coro_push_av (pTHX_ AV *av, I32 gimme_v) |
|
|
2065 | { |
|
|
2066 | if (AvFILLp (av) >= 0 && gimme_v != G_VOID) |
|
|
2067 | { |
|
|
2068 | dSP; |
|
|
2069 | |
|
|
2070 | if (gimme_v == G_SCALAR) |
|
|
2071 | XPUSHs (AvARRAY (av)[AvFILLp (av)]); |
|
|
2072 | else |
|
|
2073 | { |
|
|
2074 | int i; |
|
|
2075 | EXTEND (SP, AvFILLp (av) + 1); |
|
|
2076 | |
|
|
2077 | for (i = 0; i <= AvFILLp (av); ++i) |
|
|
2078 | PUSHs (AvARRAY (av)[i]); |
|
|
2079 | } |
|
|
2080 | |
|
|
2081 | PUTBACK; |
|
|
2082 | } |
|
|
2083 | } |
|
|
2084 | |
|
|
2085 | static void |
|
|
2086 | coro_push_on_destroy (pTHX_ struct coro *coro, SV *cb) |
|
|
2087 | { |
|
|
2088 | if (!coro->on_destroy) |
|
|
2089 | coro->on_destroy = newAV (); |
|
|
2090 | |
|
|
2091 | av_push (coro->on_destroy, cb); |
|
|
2092 | } |
|
|
2093 | |
|
|
2094 | static void |
|
|
2095 | slf_destroy_join (pTHX_ struct CoroSLF *frame) |
|
|
2096 | { |
|
|
2097 | SvREFCNT_dec ((SV *)((struct coro *)frame->data)->hv); |
|
|
2098 | } |
|
|
2099 | |
|
|
2100 | static int |
|
|
2101 | slf_check_join (pTHX_ struct CoroSLF *frame) |
|
|
2102 | { |
|
|
2103 | struct coro *coro = (struct coro *)frame->data; |
|
|
2104 | |
|
|
2105 | if (!coro->status) |
|
|
2106 | return 1; |
|
|
2107 | |
|
|
2108 | frame->destroy = 0; |
|
|
2109 | |
|
|
2110 | coro_push_av (aTHX_ coro->status, GIMME_V); |
|
|
2111 | |
|
|
2112 | SvREFCNT_dec ((SV *)coro->hv); |
|
|
2113 | |
|
|
2114 | return 0; |
|
|
2115 | } |
|
|
2116 | |
|
|
2117 | static void |
|
|
2118 | slf_init_join (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2119 | { |
|
|
2120 | struct coro *coro = SvSTATE (items > 0 ? arg [0] : &PL_sv_undef); |
|
|
2121 | |
|
|
2122 | if (items > 1) |
|
|
2123 | croak ("join called with too many arguments"); |
|
|
2124 | |
|
|
2125 | if (coro->status) |
|
|
2126 | frame->prepare = prepare_nop; |
|
|
2127 | else |
|
|
2128 | { |
|
|
2129 | coro_push_on_destroy (aTHX_ coro, SvREFCNT_inc_NN (SvRV (coro_current))); |
|
|
2130 | frame->prepare = prepare_schedule; |
|
|
2131 | } |
|
|
2132 | |
|
|
2133 | frame->check = slf_check_join; |
|
|
2134 | frame->destroy = slf_destroy_join; |
|
|
2135 | frame->data = (void *)coro; |
|
|
2136 | SvREFCNT_inc (coro->hv); |
|
|
2137 | } |
|
|
2138 | |
|
|
2139 | static void |
1957 | coro_call_on_destroy (pTHX_ struct coro *coro) |
2140 | coro_call_on_destroy (pTHX_ struct coro *coro) |
1958 | { |
2141 | { |
1959 | SV **on_destroyp = hv_fetch (coro->hv, "_on_destroy", sizeof ("_on_destroy") - 1, 0); |
2142 | AV *od = coro->on_destroy; |
1960 | SV **statusp = hv_fetch (coro->hv, "_status", sizeof ("_status") - 1, 0); |
|
|
1961 | |
2143 | |
1962 | if (on_destroyp) |
2144 | if (!od) |
1963 | { |
2145 | return; |
1964 | AV *on_destroy = (AV *)SvRV (*on_destroyp); |
|
|
1965 | |
2146 | |
|
|
2147 | coro->on_destroy = 0; |
|
|
2148 | sv_2mortal ((SV *)od); |
|
|
2149 | |
1966 | while (AvFILLp (on_destroy) >= 0) |
2150 | while (AvFILLp (od) >= 0) |
|
|
2151 | { |
|
|
2152 | SV *cb = sv_2mortal (av_pop (od)); |
|
|
2153 | |
|
|
2154 | /* coro hv's (and only hv's at the moment) are supported as well */ |
|
|
2155 | if (SvSTATEhv_p (aTHX_ cb)) |
|
|
2156 | api_ready (aTHX_ cb); |
|
|
2157 | else |
1967 | { |
2158 | { |
1968 | dSP; /* don't disturb outer sp */ |
2159 | dSP; /* don't disturb outer sp */ |
1969 | SV *cb = av_pop (on_destroy); |
|
|
1970 | |
|
|
1971 | PUSHMARK (SP); |
2160 | PUSHMARK (SP); |
1972 | |
2161 | |
1973 | if (statusp) |
2162 | if (coro->status) |
1974 | { |
2163 | { |
1975 | int i; |
2164 | PUTBACK; |
1976 | AV *status = (AV *)SvRV (*statusp); |
2165 | coro_push_av (aTHX_ coro->status, G_ARRAY); |
1977 | EXTEND (SP, AvFILLp (status) + 1); |
2166 | SPAGAIN; |
1978 | |
|
|
1979 | for (i = 0; i <= AvFILLp (status); ++i) |
|
|
1980 | PUSHs (AvARRAY (status)[i]); |
|
|
1981 | } |
2167 | } |
1982 | |
2168 | |
1983 | PUTBACK; |
2169 | PUTBACK; |
1984 | call_sv (sv_2mortal (cb), G_VOID | G_DISCARD); |
2170 | call_sv (cb, G_VOID | G_DISCARD); |
1985 | } |
2171 | } |
1986 | } |
2172 | } |
1987 | } |
2173 | } |
1988 | |
2174 | |
1989 | static void |
2175 | static void |
1990 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2176 | coro_set_status (pTHX_ struct coro *coro, SV **arg, int items) |
1991 | { |
2177 | { |
1992 | int i; |
2178 | AV *av; |
1993 | HV *hv = (HV *)SvRV (coro_current); |
2179 | |
1994 | AV *av = newAV (); |
2180 | if (coro->status) |
|
|
2181 | { |
|
|
2182 | av = coro->status; |
|
|
2183 | av_clear (av); |
|
|
2184 | } |
|
|
2185 | else |
|
|
2186 | av = coro->status = newAV (); |
1995 | |
2187 | |
1996 | /* items are actually not so common, so optimise for this case */ |
2188 | /* items are actually not so common, so optimise for this case */ |
1997 | if (items) |
2189 | if (items) |
1998 | { |
2190 | { |
|
|
2191 | int i; |
|
|
2192 | |
1999 | av_extend (av, items - 1); |
2193 | av_extend (av, items - 1); |
2000 | |
2194 | |
2001 | for (i = 0; i < items; ++i) |
2195 | for (i = 0; i < items; ++i) |
2002 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
2196 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
2003 | } |
2197 | } |
|
|
2198 | } |
2004 | |
2199 | |
2005 | hv_store (hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0); |
2200 | static void |
2006 | |
2201 | slf_init_terminate_cancel_common (pTHX_ struct CoroSLF *frame, HV *coro_hv) |
|
|
2202 | { |
2007 | av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */ |
2203 | av_push (av_destroy, (SV *)newRV_inc ((SV *)coro_hv)); /* RVinc for perl */ |
2008 | api_ready (aTHX_ sv_manager); |
2204 | api_ready (aTHX_ sv_manager); |
2009 | |
2205 | |
2010 | frame->prepare = prepare_schedule; |
2206 | frame->prepare = prepare_schedule; |
2011 | frame->check = slf_check_repeat; |
2207 | frame->check = slf_check_repeat; |
2012 | |
2208 | |
2013 | /* as a minor optimisation, we could unwind all stacks here */ |
2209 | /* as a minor optimisation, we could unwind all stacks here */ |
2014 | /* but that puts extra pressure on pp_slf, and is not worth much */ |
2210 | /* but that puts extra pressure on pp_slf, and is not worth much */ |
2015 | /*coro_unwind_stacks (aTHX);*/ |
2211 | /*coro_unwind_stacks (aTHX);*/ |
|
|
2212 | } |
|
|
2213 | |
|
|
2214 | static void |
|
|
2215 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2216 | { |
|
|
2217 | HV *coro_hv = (HV *)SvRV (coro_current); |
|
|
2218 | |
|
|
2219 | coro_set_status (aTHX_ SvSTATE ((SV *)coro_hv), arg, items); |
|
|
2220 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
|
|
2221 | } |
|
|
2222 | |
|
|
2223 | static void |
|
|
2224 | slf_init_cancel (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2225 | { |
|
|
2226 | HV *coro_hv; |
|
|
2227 | struct coro *coro; |
|
|
2228 | |
|
|
2229 | if (items <= 0) |
|
|
2230 | croak ("Coro::cancel called without coro object,"); |
|
|
2231 | |
|
|
2232 | coro = SvSTATE (arg [0]); |
|
|
2233 | coro_hv = coro->hv; |
|
|
2234 | |
|
|
2235 | coro_set_status (aTHX_ coro, arg + 1, items - 1); |
|
|
2236 | |
|
|
2237 | if (ecb_expect_false (coro->flags & CF_NOCANCEL)) |
|
|
2238 | { |
|
|
2239 | /* coro currently busy cancelling something, so just notify it */ |
|
|
2240 | coro->slf_frame.data = (void *)coro; |
|
|
2241 | |
|
|
2242 | frame->prepare = prepare_nop; |
|
|
2243 | frame->check = slf_check_nop; |
|
|
2244 | } |
|
|
2245 | else if (coro_hv == (HV *)SvRV (coro_current)) |
|
|
2246 | { |
|
|
2247 | /* cancelling the current coro is allowed, and equals terminate */ |
|
|
2248 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
|
|
2249 | } |
|
|
2250 | else |
|
|
2251 | { |
|
|
2252 | struct coro *self = SvSTATE_current; |
|
|
2253 | |
|
|
2254 | /* otherwise we cancel directly, purely for speed reasons |
|
|
2255 | * unfortunately, this requires some magic trickery, as |
|
|
2256 | * somebody else could cancel us, so we have to fight the cancellation. |
|
|
2257 | * this is ugly, and hopefully fully worth the extra speed. |
|
|
2258 | * besides, I can't get the slow-but-safe version working... |
|
|
2259 | */ |
|
|
2260 | slf_frame.data = 0; |
|
|
2261 | self->flags |= CF_NOCANCEL; |
|
|
2262 | coro_state_destroy (aTHX_ coro); |
|
|
2263 | self->flags &= ~CF_NOCANCEL; |
|
|
2264 | |
|
|
2265 | if (slf_frame.data) |
|
|
2266 | { |
|
|
2267 | /* while we were busy we have been cancelled, so terminate */ |
|
|
2268 | slf_init_terminate_cancel_common (aTHX_ frame, self->hv); |
|
|
2269 | } |
|
|
2270 | else |
|
|
2271 | { |
|
|
2272 | frame->prepare = prepare_nop; |
|
|
2273 | frame->check = slf_check_nop; |
|
|
2274 | } |
|
|
2275 | } |
|
|
2276 | } |
|
|
2277 | |
|
|
2278 | static int |
|
|
2279 | slf_check_safe_cancel (pTHX_ struct CoroSLF *frame) |
|
|
2280 | { |
|
|
2281 | frame->prepare = 0; |
|
|
2282 | coro_unwind_stacks (aTHX); |
|
|
2283 | |
|
|
2284 | slf_init_terminate_cancel_common (aTHX_ frame, (HV *)SvRV (coro_current)); |
|
|
2285 | |
|
|
2286 | return 1; |
|
|
2287 | } |
|
|
2288 | |
|
|
2289 | static int |
|
|
2290 | safe_cancel (pTHX_ struct coro *coro, SV **arg, int items) |
|
|
2291 | { |
|
|
2292 | if (coro->cctx) |
|
|
2293 | croak ("coro inside C callback, unable to cancel at this time, caught"); |
|
|
2294 | |
|
|
2295 | if (coro->flags & CF_NEW) |
|
|
2296 | { |
|
|
2297 | coro_set_status (aTHX_ coro, arg, items); |
|
|
2298 | coro_state_destroy (aTHX_ coro); |
|
|
2299 | } |
|
|
2300 | else |
|
|
2301 | { |
|
|
2302 | if (!coro->slf_frame.prepare) |
|
|
2303 | croak ("coro outside an SLF function, unable to cancel at this time, caught"); |
|
|
2304 | |
|
|
2305 | slf_destroy (aTHX_ coro); |
|
|
2306 | |
|
|
2307 | coro_set_status (aTHX_ coro, arg, items); |
|
|
2308 | coro->slf_frame.prepare = prepare_nop; |
|
|
2309 | coro->slf_frame.check = slf_check_safe_cancel; |
|
|
2310 | |
|
|
2311 | api_ready (aTHX_ (SV *)coro->hv); |
|
|
2312 | } |
|
|
2313 | |
|
|
2314 | return 1; |
2016 | } |
2315 | } |
2017 | |
2316 | |
2018 | /*****************************************************************************/ |
2317 | /*****************************************************************************/ |
2019 | /* async pool handler */ |
2318 | /* async pool handler */ |
2020 | |
2319 | |
… | |
… | |
2051 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2350 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2052 | { |
2351 | { |
2053 | HV *hv = (HV *)SvRV (coro_current); |
2352 | HV *hv = (HV *)SvRV (coro_current); |
2054 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
2353 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
2055 | |
2354 | |
2056 | if (expect_true (coro->saved_deffh)) |
2355 | if (ecb_expect_true (coro->saved_deffh)) |
2057 | { |
2356 | { |
2058 | /* subsequent iteration */ |
2357 | /* subsequent iteration */ |
2059 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
2358 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
2060 | coro->saved_deffh = 0; |
2359 | coro->saved_deffh = 0; |
2061 | |
2360 | |
2062 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
2361 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
2063 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
2362 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
2064 | { |
2363 | { |
2065 | coro->invoke_cb = SvREFCNT_inc_NN ((SV *)cv_coro_terminate); |
2364 | slf_init_terminate_cancel_common (aTHX_ frame, hv); |
2066 | coro->invoke_av = newAV (); |
2365 | return; |
2067 | |
|
|
2068 | frame->prepare = prepare_nop; |
|
|
2069 | } |
2366 | } |
2070 | else |
2367 | else |
2071 | { |
2368 | { |
2072 | av_clear (GvAV (PL_defgv)); |
2369 | av_clear (GvAV (PL_defgv)); |
2073 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
2370 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
… | |
… | |
2123 | |
2420 | |
2124 | static int |
2421 | static int |
2125 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
2422 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
2126 | { |
2423 | { |
2127 | SV *data = (SV *)frame->data; |
2424 | SV *data = (SV *)frame->data; |
2128 | |
2425 | |
2129 | if (CORO_THROW) |
2426 | if (CORO_THROW) |
2130 | return 0; |
2427 | return 0; |
2131 | |
2428 | |
2132 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2429 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2133 | return 1; |
2430 | return 1; |
… | |
… | |
2169 | cb = sv_2mortal (coro->rouse_cb); |
2466 | cb = sv_2mortal (coro->rouse_cb); |
2170 | coro->rouse_cb = 0; |
2467 | coro->rouse_cb = 0; |
2171 | } |
2468 | } |
2172 | |
2469 | |
2173 | if (!SvROK (cb) |
2470 | if (!SvROK (cb) |
2174 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2471 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2175 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2472 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2176 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2473 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2177 | |
2474 | |
2178 | { |
2475 | { |
2179 | CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ |
2476 | CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ |
… | |
… | |
2296 | static void |
2593 | static void |
2297 | slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2594 | slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2298 | { |
2595 | { |
2299 | frame->prepare = prepare_cede_notself; |
2596 | frame->prepare = prepare_cede_notself; |
2300 | frame->check = slf_check_nop; |
2597 | frame->check = slf_check_nop; |
|
|
2598 | } |
|
|
2599 | |
|
|
2600 | /* "undo"/cancel a running slf call - used when cancelling a coro, mainly */ |
|
|
2601 | static void |
|
|
2602 | slf_destroy (pTHX_ struct coro *coro) |
|
|
2603 | { |
|
|
2604 | /* this callback is reserved for slf functions needing to do cleanup */ |
|
|
2605 | if (coro->slf_frame.destroy && coro->slf_frame.prepare && !PL_dirty) |
|
|
2606 | coro->slf_frame.destroy (aTHX_ &coro->slf_frame); |
|
|
2607 | |
|
|
2608 | /* |
|
|
2609 | * The on_destroy above most likely is from an SLF call. |
|
|
2610 | * Since by definition the SLF call will not finish when we destroy |
|
|
2611 | * the coro, we will have to force-finish it here, otherwise |
|
|
2612 | * cleanup functions cannot call SLF functions. |
|
|
2613 | */ |
|
|
2614 | coro->slf_frame.prepare = 0; |
2301 | } |
2615 | } |
2302 | |
2616 | |
2303 | /* |
2617 | /* |
2304 | * these not obviously related functions are all rolled into one |
2618 | * these not obviously related functions are all rolled into one |
2305 | * function to increase chances that they all will call transfer with the same |
2619 | * function to increase chances that they all will call transfer with the same |
… | |
… | |
2312 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
2626 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
2313 | |
2627 | |
2314 | /* set up the slf frame, unless it has already been set-up */ |
2628 | /* set up the slf frame, unless it has already been set-up */ |
2315 | /* the latter happens when a new coro has been started */ |
2629 | /* the latter happens when a new coro has been started */ |
2316 | /* or when a new cctx was attached to an existing coroutine */ |
2630 | /* or when a new cctx was attached to an existing coroutine */ |
2317 | if (expect_true (!slf_frame.prepare)) |
2631 | if (ecb_expect_true (!slf_frame.prepare)) |
2318 | { |
2632 | { |
2319 | /* first iteration */ |
2633 | /* first iteration */ |
2320 | dSP; |
2634 | dSP; |
2321 | SV **arg = PL_stack_base + TOPMARK + 1; |
2635 | SV **arg = PL_stack_base + TOPMARK + 1; |
2322 | int items = SP - arg; /* args without function object */ |
2636 | int items = SP - arg; /* args without function object */ |
… | |
… | |
2363 | while (slf_frame.check (aTHX_ &slf_frame)); |
2677 | while (slf_frame.check (aTHX_ &slf_frame)); |
2364 | |
2678 | |
2365 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
2679 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
2366 | |
2680 | |
2367 | /* exception handling */ |
2681 | /* exception handling */ |
2368 | if (expect_false (CORO_THROW)) |
2682 | if (ecb_expect_false (CORO_THROW)) |
2369 | { |
2683 | { |
2370 | SV *exception = sv_2mortal (CORO_THROW); |
2684 | SV *exception = sv_2mortal (CORO_THROW); |
2371 | |
2685 | |
2372 | CORO_THROW = 0; |
2686 | CORO_THROW = 0; |
2373 | sv_setsv (ERRSV, exception); |
2687 | sv_setsv (ERRSV, exception); |
2374 | croak (0); |
2688 | croak (0); |
2375 | } |
2689 | } |
2376 | |
2690 | |
2377 | /* return value handling - mostly like entersub */ |
2691 | /* return value handling - mostly like entersub */ |
2378 | /* make sure we put something on the stack in scalar context */ |
2692 | /* make sure we put something on the stack in scalar context */ |
2379 | if (GIMME_V == G_SCALAR) |
2693 | if (GIMME_V == G_SCALAR |
|
|
2694 | && ecb_expect_false (PL_stack_sp != PL_stack_base + checkmark + 1)) |
2380 | { |
2695 | { |
2381 | dSP; |
2696 | dSP; |
2382 | SV **bot = PL_stack_base + checkmark; |
2697 | SV **bot = PL_stack_base + checkmark; |
2383 | |
2698 | |
2384 | if (sp == bot) /* too few, push undef */ |
2699 | if (sp == bot) /* too few, push undef */ |
2385 | bot [1] = &PL_sv_undef; |
2700 | bot [1] = &PL_sv_undef; |
2386 | else if (sp != bot + 1) /* too many, take last one */ |
2701 | else /* too many, take last one */ |
2387 | bot [1] = *sp; |
2702 | bot [1] = *sp; |
2388 | |
2703 | |
2389 | SP = bot + 1; |
2704 | SP = bot + 1; |
2390 | |
2705 | |
2391 | PUTBACK; |
2706 | PUTBACK; |
… | |
… | |
2498 | { |
2813 | { |
2499 | PerlIOBuf base; |
2814 | PerlIOBuf base; |
2500 | NV next, every; |
2815 | NV next, every; |
2501 | } PerlIOCede; |
2816 | } PerlIOCede; |
2502 | |
2817 | |
2503 | static IV |
2818 | static IV ecb_cold |
2504 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
2819 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
2505 | { |
2820 | { |
2506 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2821 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2507 | |
2822 | |
2508 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
2823 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
2509 | self->next = nvtime () + self->every; |
2824 | self->next = nvtime () + self->every; |
2510 | |
2825 | |
2511 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
2826 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
2512 | } |
2827 | } |
2513 | |
2828 | |
2514 | static SV * |
2829 | static SV * ecb_cold |
2515 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
2830 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
2516 | { |
2831 | { |
2517 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2832 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2518 | |
2833 | |
2519 | return newSVnv (self->every); |
2834 | return newSVnv (self->every); |
… | |
… | |
2631 | SvREFCNT_dec (cb); |
2946 | SvREFCNT_dec (cb); |
2632 | } |
2947 | } |
2633 | } |
2948 | } |
2634 | |
2949 | |
2635 | static void |
2950 | static void |
2636 | coro_semaphore_on_destroy (pTHX_ struct coro *coro) |
2951 | coro_semaphore_destroy (pTHX_ struct CoroSLF *frame) |
2637 | { |
2952 | { |
2638 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
2953 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
2639 | coro_semaphore_adjust (aTHX_ (AV *)coro->slf_frame.data, 0); |
2954 | coro_semaphore_adjust (aTHX_ (AV *)frame->data, 0); |
2640 | } |
2955 | } |
2641 | |
2956 | |
2642 | static int |
2957 | static int |
2643 | slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire) |
2958 | slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire) |
2644 | { |
2959 | { |
2645 | AV *av = (AV *)frame->data; |
2960 | AV *av = (AV *)frame->data; |
2646 | SV *count_sv = AvARRAY (av)[0]; |
2961 | SV *count_sv = AvARRAY (av)[0]; |
|
|
2962 | SV *coro_hv = SvRV (coro_current); |
2647 | |
2963 | |
2648 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2964 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2649 | if (CORO_THROW) |
2965 | if (CORO_THROW) |
2650 | return 0; |
2966 | return 0; |
2651 | else if (SvIVX (count_sv) > 0) |
2967 | else if (SvIVX (count_sv) > 0) |
2652 | { |
2968 | { |
2653 | SvSTATE_current->on_destroy = 0; |
2969 | frame->destroy = 0; |
2654 | |
2970 | |
2655 | if (acquire) |
2971 | if (acquire) |
2656 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2972 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2657 | else |
2973 | else |
2658 | coro_semaphore_adjust (aTHX_ av, 0); |
2974 | coro_semaphore_adjust (aTHX_ av, 0); |
… | |
… | |
2663 | { |
2979 | { |
2664 | int i; |
2980 | int i; |
2665 | /* if we were woken up but can't down, we look through the whole */ |
2981 | /* if we were woken up but can't down, we look through the whole */ |
2666 | /* waiters list and only add us if we aren't in there already */ |
2982 | /* waiters list and only add us if we aren't in there already */ |
2667 | /* this avoids some degenerate memory usage cases */ |
2983 | /* this avoids some degenerate memory usage cases */ |
2668 | |
2984 | for (i = AvFILLp (av); i > 0; --i) /* i > 0 is not an off-by-one bug */ |
2669 | for (i = 1; i <= AvFILLp (av); ++i) |
|
|
2670 | if (AvARRAY (av)[i] == SvRV (coro_current)) |
2985 | if (AvARRAY (av)[i] == coro_hv) |
2671 | return 1; |
2986 | return 1; |
2672 | |
2987 | |
2673 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2988 | av_push (av, SvREFCNT_inc (coro_hv)); |
2674 | return 1; |
2989 | return 1; |
2675 | } |
2990 | } |
2676 | } |
2991 | } |
2677 | |
2992 | |
2678 | static int |
2993 | static int |
… | |
… | |
2701 | { |
3016 | { |
2702 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
3017 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2703 | |
3018 | |
2704 | frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); |
3019 | frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); |
2705 | frame->prepare = prepare_schedule; |
3020 | frame->prepare = prepare_schedule; |
2706 | |
|
|
2707 | /* to avoid race conditions when a woken-up coro gets terminated */ |
3021 | /* to avoid race conditions when a woken-up coro gets terminated */ |
2708 | /* we arrange for a temporary on_destroy that calls adjust (0) */ |
3022 | /* we arrange for a temporary on_destroy that calls adjust (0) */ |
2709 | SvSTATE_current->on_destroy = coro_semaphore_on_destroy; |
3023 | frame->destroy = coro_semaphore_destroy; |
2710 | } |
3024 | } |
2711 | } |
3025 | } |
2712 | |
3026 | |
2713 | static void |
3027 | static void |
2714 | slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
3028 | slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
… | |
… | |
2883 | /* it quickly returns */ |
3197 | /* it quickly returns */ |
2884 | if (CORO_THROW) |
3198 | if (CORO_THROW) |
2885 | return 0; |
3199 | return 0; |
2886 | |
3200 | |
2887 | /* one element that is an RV? repeat! */ |
3201 | /* one element that is an RV? repeat! */ |
2888 | if (AvFILLp (state) == 0 && SvROK (AvARRAY (state)[0])) |
3202 | if (AvFILLp (state) == 0 && SvTYPE (AvARRAY (state)[0]) != SVt_PV) |
2889 | return 1; |
3203 | return 1; |
2890 | |
3204 | |
2891 | /* restore status */ |
3205 | /* restore status */ |
2892 | { |
3206 | { |
2893 | SV *data_sv = av_pop (state); |
3207 | SV *data_sv = av_pop (state); |
… | |
… | |
2932 | dSP; |
3246 | dSP; |
2933 | |
3247 | |
2934 | static SV *prio_cv; |
3248 | static SV *prio_cv; |
2935 | static SV *prio_sv; |
3249 | static SV *prio_sv; |
2936 | |
3250 | |
2937 | if (expect_false (!prio_cv)) |
3251 | if (ecb_expect_false (!prio_cv)) |
2938 | { |
3252 | { |
2939 | prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0); |
3253 | prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0); |
2940 | prio_sv = newSViv (0); |
3254 | prio_sv = newSViv (0); |
2941 | } |
3255 | } |
2942 | |
3256 | |
… | |
… | |
3048 | } |
3362 | } |
3049 | |
3363 | |
3050 | return coro_sv; |
3364 | return coro_sv; |
3051 | } |
3365 | } |
3052 | |
3366 | |
|
|
3367 | #ifndef __cplusplus |
|
|
3368 | ecb_cold XS(boot_Coro__State); |
|
|
3369 | #endif |
|
|
3370 | |
|
|
3371 | #if CORO_JIT |
|
|
3372 | |
|
|
3373 | static void ecb_noinline ecb_cold |
|
|
3374 | pushav_4uv (pTHX_ UV a, UV b, UV c, UV d) |
|
|
3375 | { |
|
|
3376 | dSP; |
|
|
3377 | AV *av = newAV (); |
|
|
3378 | |
|
|
3379 | av_store (av, 3, newSVuv (d)); |
|
|
3380 | av_store (av, 2, newSVuv (c)); |
|
|
3381 | av_store (av, 1, newSVuv (b)); |
|
|
3382 | av_store (av, 0, newSVuv (a)); |
|
|
3383 | |
|
|
3384 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
3385 | |
|
|
3386 | PUTBACK; |
|
|
3387 | } |
|
|
3388 | |
|
|
3389 | static void ecb_noinline ecb_cold |
|
|
3390 | jit_init (pTHX) |
|
|
3391 | { |
|
|
3392 | dSP; |
|
|
3393 | SV *load, *save; |
|
|
3394 | char *map_base; |
|
|
3395 | char *load_ptr, *save_ptr; |
|
|
3396 | STRLEN load_len, save_len, map_len; |
|
|
3397 | int count; |
|
|
3398 | |
|
|
3399 | eval_pv ("require 'Coro/jit-" CORO_JIT_TYPE ".pl'", 1); |
|
|
3400 | |
|
|
3401 | PUSHMARK (SP); |
|
|
3402 | #define VARx(name,expr,type) pushav_4uv (aTHX_ (UV)&(expr), sizeof (expr), offsetof (perl_slots, name), sizeof (type)); |
|
|
3403 | #include "state.h" |
|
|
3404 | count = call_pv ("Coro::State::_jit", G_ARRAY); |
|
|
3405 | SPAGAIN; |
|
|
3406 | |
|
|
3407 | save = POPs; save_ptr = SvPVbyte (save, save_len); |
|
|
3408 | load = POPs; load_ptr = SvPVbyte (load, load_len); |
|
|
3409 | |
|
|
3410 | map_len = load_len + save_len + 16; |
|
|
3411 | |
|
|
3412 | map_base = mmap (0, map_len, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); |
|
|
3413 | |
|
|
3414 | assert (("Coro: unable to mmap jit code page, cannot continue.", map_base != (char *)MAP_FAILED)); |
|
|
3415 | |
|
|
3416 | load_perl_slots = (load_save_perl_slots_type)map_base; |
|
|
3417 | memcpy (map_base, load_ptr, load_len); |
|
|
3418 | |
|
|
3419 | map_base += (load_len + 15) & ~15; |
|
|
3420 | |
|
|
3421 | save_perl_slots = (load_save_perl_slots_type)map_base; |
|
|
3422 | memcpy (map_base, save_ptr, save_len); |
|
|
3423 | |
|
|
3424 | /* we are good citizens and try to make the page read-only, so the evil evil */ |
|
|
3425 | /* hackers might have it a bit more difficult */ |
|
|
3426 | mprotect (map_base, map_len, PROT_READ | PROT_EXEC); |
|
|
3427 | |
|
|
3428 | PUTBACK; |
|
|
3429 | eval_pv ("undef &Coro::State::_jit", 1); |
|
|
3430 | } |
|
|
3431 | |
|
|
3432 | #endif |
|
|
3433 | |
3053 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
3434 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
3054 | |
3435 | |
3055 | PROTOTYPES: DISABLE |
3436 | PROTOTYPES: DISABLE |
3056 | |
3437 | |
3057 | BOOT: |
3438 | BOOT: |
… | |
… | |
3059 | #ifdef USE_ITHREADS |
3440 | #ifdef USE_ITHREADS |
3060 | # if CORO_PTHREAD |
3441 | # if CORO_PTHREAD |
3061 | coro_thx = PERL_GET_CONTEXT; |
3442 | coro_thx = PERL_GET_CONTEXT; |
3062 | # endif |
3443 | # endif |
3063 | #endif |
3444 | #endif |
3064 | BOOT_PAGESIZE; |
3445 | /* perl defines these to check for existance first, but why it doesn't */ |
|
|
3446 | /* just create them one at init time is not clear to me, except for */ |
|
|
3447 | /* programs trying to delete them, but... */ |
|
|
3448 | /* anyway, we declare this as invalid and make sure they are initialised here */ |
|
|
3449 | DEFSV; |
|
|
3450 | ERRSV; |
3065 | |
3451 | |
3066 | cctx_current = cctx_new_empty (); |
3452 | cctx_current = cctx_new_empty (); |
3067 | |
3453 | |
3068 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3454 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3069 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3455 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
… | |
… | |
3109 | coroapi.prepare_nop = prepare_nop; |
3495 | coroapi.prepare_nop = prepare_nop; |
3110 | coroapi.prepare_schedule = prepare_schedule; |
3496 | coroapi.prepare_schedule = prepare_schedule; |
3111 | coroapi.prepare_cede = prepare_cede; |
3497 | coroapi.prepare_cede = prepare_cede; |
3112 | coroapi.prepare_cede_notself = prepare_cede_notself; |
3498 | coroapi.prepare_cede_notself = prepare_cede_notself; |
3113 | |
3499 | |
3114 | { |
3500 | time_init (aTHX); |
3115 | SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
|
|
3116 | |
|
|
3117 | if (!svp) croak ("Time::HiRes is required"); |
|
|
3118 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer"); |
|
|
3119 | |
|
|
3120 | nvtime = INT2PTR (double (*)(), SvIV (*svp)); |
|
|
3121 | |
|
|
3122 | svp = hv_fetch (PL_modglobal, "Time::U2time", 12, 0); |
|
|
3123 | u2time = INT2PTR (void (*)(pTHX_ UV ret[2]), SvIV (*svp)); |
|
|
3124 | } |
|
|
3125 | |
3501 | |
3126 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
3502 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
|
|
3503 | #if CORO_JIT |
|
|
3504 | PUTBACK; |
|
|
3505 | jit_init (aTHX); |
|
|
3506 | SPAGAIN; |
|
|
3507 | #endif |
3127 | } |
3508 | } |
3128 | |
3509 | |
3129 | SV * |
3510 | SV * |
3130 | new (SV *klass, ...) |
3511 | new (SV *klass, ...) |
3131 | ALIAS: |
3512 | ALIAS: |
… | |
… | |
3138 | void |
3519 | void |
3139 | transfer (...) |
3520 | transfer (...) |
3140 | PROTOTYPE: $$ |
3521 | PROTOTYPE: $$ |
3141 | CODE: |
3522 | CODE: |
3142 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3523 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3143 | |
|
|
3144 | bool |
|
|
3145 | _destroy (SV *coro_sv) |
|
|
3146 | CODE: |
|
|
3147 | RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv)); |
|
|
3148 | OUTPUT: |
|
|
3149 | RETVAL |
|
|
3150 | |
|
|
3151 | void |
|
|
3152 | _exit (int code) |
|
|
3153 | PROTOTYPE: $ |
|
|
3154 | CODE: |
|
|
3155 | _exit (code); |
|
|
3156 | |
3524 | |
3157 | SV * |
3525 | SV * |
3158 | clone (Coro::State coro) |
3526 | clone (Coro::State coro) |
3159 | CODE: |
3527 | CODE: |
3160 | { |
3528 | { |
… | |
… | |
3215 | void |
3583 | void |
3216 | list () |
3584 | list () |
3217 | PROTOTYPE: |
3585 | PROTOTYPE: |
3218 | PPCODE: |
3586 | PPCODE: |
3219 | { |
3587 | { |
3220 | struct coro *coro; |
3588 | struct coro *coro; |
3221 | for (coro = coro_first; coro; coro = coro->next) |
3589 | for (coro = coro_first; coro; coro = coro->next) |
3222 | if (coro->hv) |
3590 | if (coro->hv) |
3223 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
3591 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
3224 | } |
3592 | } |
3225 | |
3593 | |
… | |
… | |
3230 | CODE: |
3598 | CODE: |
3231 | { |
3599 | { |
3232 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
3600 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
3233 | { |
3601 | { |
3234 | struct coro *current = SvSTATE_current; |
3602 | struct coro *current = SvSTATE_current; |
|
|
3603 | struct CoroSLF slf_save; |
3235 | |
3604 | |
3236 | if (current != coro) |
3605 | if (current != coro) |
3237 | { |
3606 | { |
3238 | PUTBACK; |
3607 | PUTBACK; |
3239 | save_perl (aTHX_ current); |
3608 | save_perl (aTHX_ current); |
3240 | load_perl (aTHX_ coro); |
3609 | load_perl (aTHX_ coro); |
|
|
3610 | /* the coro is most likely in an active SLF call. |
|
|
3611 | * while not strictly required (the code we execute is |
|
|
3612 | * not allowed to call any SLF functions), it's cleaner |
|
|
3613 | * to reinitialise the slf_frame and restore it later. |
|
|
3614 | * This might one day allow us to actually do SLF calls |
|
|
3615 | * from code executed here. |
|
|
3616 | */ |
|
|
3617 | slf_save = slf_frame; |
|
|
3618 | slf_frame.prepare = 0; |
3241 | SPAGAIN; |
3619 | SPAGAIN; |
3242 | } |
3620 | } |
3243 | |
3621 | |
3244 | PUSHSTACK; |
3622 | PUSHSTACK; |
3245 | |
3623 | |
… | |
… | |
3255 | SPAGAIN; |
3633 | SPAGAIN; |
3256 | |
3634 | |
3257 | if (current != coro) |
3635 | if (current != coro) |
3258 | { |
3636 | { |
3259 | PUTBACK; |
3637 | PUTBACK; |
|
|
3638 | slf_frame = slf_save; |
3260 | save_perl (aTHX_ coro); |
3639 | save_perl (aTHX_ coro); |
3261 | load_perl (aTHX_ current); |
3640 | load_perl (aTHX_ current); |
3262 | SPAGAIN; |
3641 | SPAGAIN; |
3263 | } |
3642 | } |
3264 | } |
3643 | } |
… | |
… | |
3269 | PROTOTYPE: $ |
3648 | PROTOTYPE: $ |
3270 | ALIAS: |
3649 | ALIAS: |
3271 | is_ready = CF_READY |
3650 | is_ready = CF_READY |
3272 | is_running = CF_RUNNING |
3651 | is_running = CF_RUNNING |
3273 | is_new = CF_NEW |
3652 | is_new = CF_NEW |
3274 | is_destroyed = CF_DESTROYED |
3653 | is_destroyed = CF_ZOMBIE |
|
|
3654 | is_zombie = CF_ZOMBIE |
3275 | is_suspended = CF_SUSPENDED |
3655 | is_suspended = CF_SUSPENDED |
3276 | CODE: |
3656 | CODE: |
3277 | RETVAL = boolSV (coro->flags & ix); |
3657 | RETVAL = boolSV (coro->flags & ix); |
3278 | OUTPUT: |
3658 | OUTPUT: |
3279 | RETVAL |
3659 | RETVAL |
3280 | |
3660 | |
3281 | void |
3661 | void |
3282 | throw (Coro::State self, SV *exception = &PL_sv_undef) |
3662 | throw (SV *self, SV *exception = &PL_sv_undef) |
3283 | PROTOTYPE: $;$ |
3663 | PROTOTYPE: $;$ |
3284 | CODE: |
3664 | CODE: |
3285 | { |
3665 | { |
|
|
3666 | struct coro *coro = SvSTATE (self); |
3286 | struct coro *current = SvSTATE_current; |
3667 | struct coro *current = SvSTATE_current; |
3287 | SV **exceptionp = self == current ? &CORO_THROW : &self->except; |
3668 | SV **exceptionp = coro == current ? &CORO_THROW : &coro->except; |
3288 | SvREFCNT_dec (*exceptionp); |
3669 | SvREFCNT_dec (*exceptionp); |
3289 | SvGETMAGIC (exception); |
3670 | SvGETMAGIC (exception); |
3290 | *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; |
3671 | *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; |
|
|
3672 | |
|
|
3673 | api_ready (aTHX_ self); |
3291 | } |
3674 | } |
3292 | |
3675 | |
3293 | void |
3676 | void |
3294 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3677 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3295 | PROTOTYPE: $;$ |
3678 | PROTOTYPE: $;$ |
… | |
… | |
3350 | |
3733 | |
3351 | void |
3734 | void |
3352 | cancel (Coro::State self) |
3735 | cancel (Coro::State self) |
3353 | CODE: |
3736 | CODE: |
3354 | coro_state_destroy (aTHX_ self); |
3737 | coro_state_destroy (aTHX_ self); |
3355 | coro_call_on_destroy (aTHX_ self); /* actually only for Coro objects */ |
|
|
3356 | |
|
|
3357 | |
3738 | |
3358 | SV * |
3739 | SV * |
3359 | enable_times (int enabled = enable_times) |
3740 | enable_times (int enabled = enable_times) |
3360 | CODE: |
3741 | CODE: |
3361 | { |
3742 | { |
… | |
… | |
3374 | |
3755 | |
3375 | void |
3756 | void |
3376 | times (Coro::State self) |
3757 | times (Coro::State self) |
3377 | PPCODE: |
3758 | PPCODE: |
3378 | { |
3759 | { |
3379 | struct coro *current = SvSTATE (coro_current); |
3760 | struct coro *current = SvSTATE (coro_current); |
3380 | |
3761 | |
3381 | if (expect_false (current == self)) |
3762 | if (ecb_expect_false (current == self)) |
3382 | { |
3763 | { |
3383 | coro_times_update (); |
3764 | coro_times_update (); |
3384 | coro_times_add (SvSTATE (coro_current)); |
3765 | coro_times_add (SvSTATE (coro_current)); |
3385 | } |
3766 | } |
3386 | |
3767 | |
3387 | EXTEND (SP, 2); |
3768 | EXTEND (SP, 2); |
3388 | PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9))); |
3769 | PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9))); |
3389 | PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9))); |
3770 | PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9))); |
3390 | |
3771 | |
3391 | if (expect_false (current == self)) |
3772 | if (ecb_expect_false (current == self)) |
3392 | coro_times_sub (SvSTATE (coro_current)); |
3773 | coro_times_sub (SvSTATE (coro_current)); |
3393 | } |
3774 | } |
3394 | |
3775 | |
3395 | void |
3776 | void |
3396 | swap_sv (Coro::State coro, SV *sv, SV *swapsv) |
3777 | swap_sv (Coro::State coro, SV *sv, SV *swapsv) |
… | |
… | |
3417 | BOOT: |
3798 | BOOT: |
3418 | { |
3799 | { |
3419 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3800 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3420 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3801 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3421 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
3802 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
3422 | cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD); |
|
|
3423 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
3803 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
3424 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
3804 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
3425 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
3805 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
3426 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
3806 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
3427 | sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); |
3807 | sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); |
3428 | |
3808 | |
3429 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3809 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3430 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
3810 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
3431 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
3811 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
3432 | CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */ |
3812 | CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */ |
3433 | |
3813 | |
3434 | coro_stash = gv_stashpv ("Coro", TRUE); |
3814 | coro_stash = gv_stashpv ("Coro", TRUE); |
3435 | |
3815 | |
3436 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
3816 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
3437 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
3817 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
3438 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL)); |
3818 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL)); |
… | |
… | |
3466 | api_ready (aTHX_ RETVAL); |
3846 | api_ready (aTHX_ RETVAL); |
3467 | OUTPUT: |
3847 | OUTPUT: |
3468 | RETVAL |
3848 | RETVAL |
3469 | |
3849 | |
3470 | void |
3850 | void |
|
|
3851 | _destroy (Coro::State coro) |
|
|
3852 | CODE: |
|
|
3853 | /* used by the manager thread */ |
|
|
3854 | coro_state_destroy (aTHX_ coro); |
|
|
3855 | |
|
|
3856 | void |
|
|
3857 | on_destroy (Coro::State coro, SV *cb) |
|
|
3858 | CODE: |
|
|
3859 | coro_push_on_destroy (aTHX_ coro, newSVsv (cb)); |
|
|
3860 | |
|
|
3861 | void |
|
|
3862 | join (...) |
|
|
3863 | CODE: |
|
|
3864 | CORO_EXECUTE_SLF_XS (slf_init_join); |
|
|
3865 | |
|
|
3866 | void |
3471 | terminate (...) |
3867 | terminate (...) |
3472 | CODE: |
3868 | CODE: |
3473 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
3869 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
|
|
3870 | |
|
|
3871 | void |
|
|
3872 | cancel (...) |
|
|
3873 | CODE: |
|
|
3874 | CORO_EXECUTE_SLF_XS (slf_init_cancel); |
|
|
3875 | |
|
|
3876 | int |
|
|
3877 | safe_cancel (Coro::State self, ...) |
|
|
3878 | C_ARGS: aTHX_ self, &ST (1), items - 1 |
3474 | |
3879 | |
3475 | void |
3880 | void |
3476 | schedule (...) |
3881 | schedule (...) |
3477 | CODE: |
3882 | CODE: |
3478 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
3883 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
… | |
… | |
3635 | on_leave = 1 |
4040 | on_leave = 1 |
3636 | PROTOTYPE: & |
4041 | PROTOTYPE: & |
3637 | CODE: |
4042 | CODE: |
3638 | { |
4043 | { |
3639 | struct coro *coro = SvSTATE_current; |
4044 | struct coro *coro = SvSTATE_current; |
3640 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
4045 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
3641 | |
4046 | |
3642 | block = s_get_cv_croak (block); |
4047 | block = s_get_cv_croak (block); |
3643 | |
4048 | |
3644 | if (!*avp) |
4049 | if (!*avp) |
3645 | *avp = newAV (); |
4050 | *avp = newAV (); |
… | |
… | |
3665 | |
4070 | |
3666 | SV * |
4071 | SV * |
3667 | new (SV *klass, SV *count = 0) |
4072 | new (SV *klass, SV *count = 0) |
3668 | CODE: |
4073 | CODE: |
3669 | { |
4074 | { |
3670 | int semcnt = 1; |
4075 | int semcnt = 1; |
3671 | |
4076 | |
3672 | if (count) |
4077 | if (count) |
3673 | { |
4078 | { |
3674 | SvGETMAGIC (count); |
4079 | SvGETMAGIC (count); |
3675 | |
4080 | |
… | |
… | |
3735 | XSRETURN_NO; |
4140 | XSRETURN_NO; |
3736 | } |
4141 | } |
3737 | |
4142 | |
3738 | void |
4143 | void |
3739 | waiters (SV *self) |
4144 | waiters (SV *self) |
3740 | PPCODE: |
4145 | PPCODE: |
3741 | { |
4146 | { |
3742 | AV *av = (AV *)SvRV (self); |
4147 | AV *av = (AV *)SvRV (self); |
3743 | int wcount = AvFILLp (av) + 1 - 1; |
4148 | int wcount = AvFILLp (av) + 1 - 1; |
3744 | |
4149 | |
3745 | if (GIMME_V == G_SCALAR) |
4150 | if (GIMME_V == G_SCALAR) |
… | |
… | |
3754 | } |
4159 | } |
3755 | |
4160 | |
3756 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
4161 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
3757 | |
4162 | |
3758 | void |
4163 | void |
3759 | _may_delete (SV *sem, int count, int extra_refs) |
4164 | _may_delete (SV *sem, int count, unsigned int extra_refs) |
3760 | PPCODE: |
4165 | PPCODE: |
3761 | { |
4166 | { |
3762 | AV *av = (AV *)SvRV (sem); |
4167 | AV *av = (AV *)SvRV (sem); |
3763 | |
4168 | |
3764 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
4169 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
3765 | && AvFILLp (av) == 0 /* no waiters, just count */ |
4170 | && AvFILLp (av) == 0 /* no waiters, just count */ |
3766 | && SvIV (AvARRAY (av)[0]) == count) |
4171 | && SvIV (AvARRAY (av)[0]) == count) |
3767 | XSRETURN_YES; |
4172 | XSRETURN_YES; |
… | |
… | |
3788 | |
4193 | |
3789 | void |
4194 | void |
3790 | broadcast (SV *self) |
4195 | broadcast (SV *self) |
3791 | CODE: |
4196 | CODE: |
3792 | { |
4197 | { |
3793 | AV *av = (AV *)SvRV (self); |
4198 | AV *av = (AV *)SvRV (self); |
3794 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
4199 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
3795 | } |
4200 | } |
3796 | |
4201 | |
3797 | void |
4202 | void |
3798 | send (SV *self) |
4203 | send (SV *self) |
… | |
… | |
3806 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
4211 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
3807 | } |
4212 | } |
3808 | |
4213 | |
3809 | IV |
4214 | IV |
3810 | awaited (SV *self) |
4215 | awaited (SV *self) |
3811 | CODE: |
4216 | CODE: |
3812 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
4217 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
3813 | OUTPUT: |
4218 | OUTPUT: |
3814 | RETVAL |
4219 | RETVAL |
3815 | |
4220 | |
3816 | |
4221 | |
… | |
… | |
3821 | |
4226 | |
3822 | void |
4227 | void |
3823 | _schedule (...) |
4228 | _schedule (...) |
3824 | CODE: |
4229 | CODE: |
3825 | { |
4230 | { |
3826 | static int incede; |
4231 | static int incede; |
3827 | |
4232 | |
3828 | api_cede_notself (aTHX); |
4233 | api_cede_notself (aTHX); |
3829 | |
4234 | |
3830 | ++incede; |
4235 | ++incede; |
3831 | while (coro_nready >= incede && api_cede (aTHX)) |
4236 | while (coro_nready >= incede && api_cede (aTHX)) |
… | |
… | |
3875 | { |
4280 | { |
3876 | PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; |
4281 | PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; |
3877 | coro_old_pp_sselect = 0; |
4282 | coro_old_pp_sselect = 0; |
3878 | } |
4283 | } |
3879 | |
4284 | |
|
|
4285 | MODULE = Coro::State PACKAGE = Coro::Util |
|
|
4286 | |
|
|
4287 | void |
|
|
4288 | _exit (int code) |
|
|
4289 | CODE: |
|
|
4290 | _exit (code); |
|
|
4291 | |
|
|
4292 | NV |
|
|
4293 | time () |
|
|
4294 | CODE: |
|
|
4295 | RETVAL = nvtime (aTHX); |
|
|
4296 | OUTPUT: |
|
|
4297 | RETVAL |
|
|
4298 | |
|
|
4299 | NV |
|
|
4300 | gettimeofday () |
|
|
4301 | PPCODE: |
|
|
4302 | { |
|
|
4303 | UV tv [2]; |
|
|
4304 | u2time (aTHX_ tv); |
|
|
4305 | EXTEND (SP, 2); |
|
|
4306 | PUSHs (sv_2mortal (newSVuv (tv [0]))); |
|
|
4307 | PUSHs (sv_2mortal (newSVuv (tv [1]))); |
|
|
4308 | } |
|
|
4309 | |