|
|
1 | /* this works around a bug in mingw32 providing a non-working setjmp */ |
|
|
2 | #define USE_NO_MINGW_SETJMP_TWO_ARGS |
|
|
3 | |
|
|
4 | #define NDEBUG 1 /* perl usually disables NDEBUG later */ |
|
|
5 | |
1 | #include "libcoro/coro.c" |
6 | #include "libcoro/coro.c" |
2 | |
7 | |
3 | #define PERL_NO_GET_CONTEXT |
8 | #define PERL_NO_GET_CONTEXT |
4 | #define PERL_EXT |
9 | #define PERL_EXT |
5 | |
10 | |
… | |
… | |
8 | #include "XSUB.h" |
13 | #include "XSUB.h" |
9 | #include "perliol.h" |
14 | #include "perliol.h" |
10 | |
15 | |
11 | #include "schmorp.h" |
16 | #include "schmorp.h" |
12 | |
17 | |
|
|
18 | #define ECB_NO_THREADS 1 |
|
|
19 | #define ECB_NO_LIBM 1 |
|
|
20 | #include "ecb.h" |
|
|
21 | |
|
|
22 | #include <stddef.h> |
13 | #include <stdio.h> |
23 | #include <stdio.h> |
14 | #include <errno.h> |
24 | #include <errno.h> |
15 | #include <assert.h> |
25 | #include <assert.h> |
16 | |
26 | |
17 | #ifdef WIN32 |
27 | #ifndef SvREFCNT_dec_NN |
|
|
28 | #define SvREFCNT_dec_NN(sv) SvREFCNT_dec (sv) |
|
|
29 | #endif |
|
|
30 | |
|
|
31 | #ifndef SvREFCNT_inc_NN |
|
|
32 | #define SvREFCNT_inc_NN(sv) SvREFCNT_inc (sv) |
|
|
33 | #endif |
|
|
34 | |
|
|
35 | #ifndef SVs_PADSTALE |
|
|
36 | # define SVs_PADSTALE 0 |
|
|
37 | #endif |
|
|
38 | |
|
|
39 | #ifdef PadARRAY |
|
|
40 | # define NEWPADAPI 1 |
|
|
41 | # define newPADLIST(var) (Newz (0, var, 1, PADLIST), Newx (PadlistARRAY (var), 2, PAD *)) |
|
|
42 | #else |
|
|
43 | typedef AV PADNAMELIST; |
|
|
44 | # if !PERL_VERSION_ATLEAST(5,8,0) |
|
|
45 | typedef AV PADLIST; |
|
|
46 | typedef AV PAD; |
|
|
47 | # endif |
|
|
48 | # define PadlistARRAY(pl) ((PAD **)AvARRAY (pl)) |
|
|
49 | # define PadlistMAX(pl) AvFILLp (pl) |
|
|
50 | # define PadlistNAMES(pl) (*PadlistARRAY (pl)) |
|
|
51 | # define PadARRAY AvARRAY |
|
|
52 | # define PadMAX AvFILLp |
|
|
53 | # define newPADLIST(var) ((var) = newAV (), av_extend (var, 1)) |
|
|
54 | #endif |
|
|
55 | #ifndef PadnamelistREFCNT |
|
|
56 | # define PadnamelistREFCNT(pnl) SvREFCNT (pnl) |
|
|
57 | #endif |
|
|
58 | #ifndef PadnamelistREFCNT_dec |
|
|
59 | # define PadnamelistREFCNT_dec(pnl) SvREFCNT_dec (pnl) |
|
|
60 | #endif |
|
|
61 | |
|
|
62 | /* 5.19.something has replaced SVt_BIND by SVt_INVLIST */ |
|
|
63 | /* we just alias it to SVt_IV, as that is sufficient for swap_sv for now */ |
|
|
64 | #if PERL_VERSION_ATLEAST(5,19,0) |
|
|
65 | # define SVt_BIND SVt_IV |
|
|
66 | #endif |
|
|
67 | |
|
|
68 | #if defined(_WIN32) |
|
|
69 | # undef HAS_GETTIMEOFDAY |
18 | # undef setjmp |
70 | # undef setjmp |
19 | # undef longjmp |
71 | # undef longjmp |
20 | # undef _exit |
72 | # undef _exit |
21 | # define setjmp _setjmp /* deep magic */ |
73 | # define setjmp _setjmp /* deep magic */ |
22 | #else |
74 | #else |
23 | # include <inttypes.h> /* most portable stdint.h */ |
75 | # include <inttypes.h> /* most portable stdint.h */ |
24 | #endif |
76 | #endif |
25 | |
77 | |
26 | #ifdef HAVE_MMAP |
|
|
27 | # include <unistd.h> |
|
|
28 | # include <sys/mman.h> |
|
|
29 | # ifndef MAP_ANONYMOUS |
|
|
30 | # ifdef MAP_ANON |
|
|
31 | # define MAP_ANONYMOUS MAP_ANON |
|
|
32 | # else |
|
|
33 | # undef HAVE_MMAP |
|
|
34 | # endif |
|
|
35 | # endif |
|
|
36 | # include <limits.h> |
|
|
37 | # ifndef PAGESIZE |
|
|
38 | # define PAGESIZE pagesize |
|
|
39 | # define BOOT_PAGESIZE pagesize = sysconf (_SC_PAGESIZE) |
|
|
40 | static long pagesize; |
|
|
41 | # else |
|
|
42 | # define BOOT_PAGESIZE (void)0 |
|
|
43 | # endif |
|
|
44 | #else |
|
|
45 | # define PAGESIZE 0 |
|
|
46 | # define BOOT_PAGESIZE (void)0 |
|
|
47 | #endif |
|
|
48 | |
|
|
49 | #if CORO_USE_VALGRIND |
|
|
50 | # include <valgrind/valgrind.h> |
|
|
51 | #endif |
|
|
52 | |
|
|
53 | /* the maximum number of idle cctx that will be pooled */ |
78 | /* the maximum number of idle cctx that will be pooled */ |
54 | static int cctx_max_idle = 4; |
79 | static int cctx_max_idle = 4; |
55 | |
80 | |
56 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
81 | #if defined(DEBUGGING) && PERL_VERSION_ATLEAST(5,12,0) |
57 | # undef CORO_STACKGUARD |
82 | # define HAS_SCOPESTACK_NAME 1 |
58 | #endif |
|
|
59 | |
|
|
60 | #ifndef CORO_STACKGUARD |
|
|
61 | # define CORO_STACKGUARD 0 |
|
|
62 | #endif |
83 | #endif |
63 | |
84 | |
64 | /* prefer perl internal functions over our own? */ |
85 | /* prefer perl internal functions over our own? */ |
65 | #ifndef CORO_PREFER_PERL_FUNCTIONS |
86 | #ifndef CORO_PREFER_PERL_FUNCTIONS |
66 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
87 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
… | |
… | |
76 | # define STACKLEVEL ((void *)&stacklevel) |
97 | # define STACKLEVEL ((void *)&stacklevel) |
77 | #endif |
98 | #endif |
78 | |
99 | |
79 | #define IN_DESTRUCT PL_dirty |
100 | #define IN_DESTRUCT PL_dirty |
80 | |
101 | |
81 | #if __GNUC__ >= 3 |
|
|
82 | # define attribute(x) __attribute__(x) |
|
|
83 | # define expect(expr,value) __builtin_expect ((expr), (value)) |
|
|
84 | # define INLINE static inline |
|
|
85 | #else |
|
|
86 | # define attribute(x) |
|
|
87 | # define expect(expr,value) (expr) |
|
|
88 | # define INLINE static |
|
|
89 | #endif |
|
|
90 | |
|
|
91 | #define expect_false(expr) expect ((expr) != 0, 0) |
|
|
92 | #define expect_true(expr) expect ((expr) != 0, 1) |
|
|
93 | |
|
|
94 | #define NOINLINE attribute ((noinline)) |
|
|
95 | |
|
|
96 | #include "CoroAPI.h" |
102 | #include "CoroAPI.h" |
97 | #define GCoroAPI (&coroapi) /* very sneaky */ |
103 | #define GCoroAPI (&coroapi) /* very sneaky */ |
98 | |
104 | |
99 | #ifdef USE_ITHREADS |
105 | #ifdef USE_ITHREADS |
100 | # if CORO_PTHREAD |
106 | # if CORO_PTHREAD |
… | |
… | |
116 | static void (*u2time)(pTHX_ UV ret[2]); |
122 | static void (*u2time)(pTHX_ UV ret[2]); |
117 | |
123 | |
118 | /* we hijack an hopefully unused CV flag for our purposes */ |
124 | /* we hijack an hopefully unused CV flag for our purposes */ |
119 | #define CVf_SLF 0x4000 |
125 | #define CVf_SLF 0x4000 |
120 | static OP *pp_slf (pTHX); |
126 | static OP *pp_slf (pTHX); |
|
|
127 | static void slf_destroy (pTHX_ struct coro *coro); |
121 | |
128 | |
122 | static U32 cctx_gen; |
129 | static U32 cctx_gen; |
123 | static size_t cctx_stacksize = CORO_STACKSIZE; |
130 | static size_t cctx_stacksize = CORO_STACKSIZE; |
124 | static struct CoroAPI coroapi; |
131 | static struct CoroAPI coroapi; |
125 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
132 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
… | |
… | |
133 | |
140 | |
134 | static GV *irsgv; /* $/ */ |
141 | static GV *irsgv; /* $/ */ |
135 | static GV *stdoutgv; /* *STDOUT */ |
142 | static GV *stdoutgv; /* *STDOUT */ |
136 | static SV *rv_diehook; |
143 | static SV *rv_diehook; |
137 | static SV *rv_warnhook; |
144 | static SV *rv_warnhook; |
138 | static HV *hv_sig; /* %SIG */ |
|
|
139 | |
145 | |
140 | /* async_pool helper stuff */ |
146 | /* async_pool helper stuff */ |
141 | static SV *sv_pool_rss; |
147 | static SV *sv_pool_rss; |
142 | static SV *sv_pool_size; |
148 | static SV *sv_pool_size; |
143 | static SV *sv_async_pool_idle; /* description string */ |
149 | static SV *sv_async_pool_idle; /* description string */ |
144 | static AV *av_async_pool; /* idle pool */ |
150 | static AV *av_async_pool; /* idle pool */ |
145 | static SV *sv_Coro; /* class string */ |
151 | static SV *sv_Coro; /* class string */ |
146 | static CV *cv_pool_handler; |
152 | static CV *cv_pool_handler; |
147 | static CV *cv_coro_state_new; |
|
|
148 | |
153 | |
149 | /* Coro::AnyEvent */ |
154 | /* Coro::AnyEvent */ |
150 | static SV *sv_activity; |
155 | static SV *sv_activity; |
151 | |
156 | |
152 | /* enable processtime/realtime profiling */ |
157 | /* enable processtime/realtime profiling */ |
… | |
… | |
156 | static char times_valid; |
161 | static char times_valid; |
157 | |
162 | |
158 | static struct coro_cctx *cctx_first; |
163 | static struct coro_cctx *cctx_first; |
159 | static int cctx_count, cctx_idle; |
164 | static int cctx_count, cctx_idle; |
160 | |
165 | |
161 | enum { |
166 | enum |
|
|
167 | { |
162 | CC_MAPPED = 0x01, |
168 | CC_MAPPED = 0x01, |
163 | CC_NOREUSE = 0x02, /* throw this away after tracing */ |
169 | CC_NOREUSE = 0x02, /* throw this away after tracing */ |
164 | CC_TRACE = 0x04, |
170 | CC_TRACE = 0x04, |
165 | CC_TRACE_SUB = 0x08, /* trace sub calls */ |
171 | CC_TRACE_SUB = 0x08, /* trace sub calls */ |
166 | CC_TRACE_LINE = 0x10, /* trace each statement */ |
172 | CC_TRACE_LINE = 0x10, /* trace each statement */ |
… | |
… | |
171 | typedef struct coro_cctx |
177 | typedef struct coro_cctx |
172 | { |
178 | { |
173 | struct coro_cctx *next; |
179 | struct coro_cctx *next; |
174 | |
180 | |
175 | /* the stack */ |
181 | /* the stack */ |
176 | void *sptr; |
182 | struct coro_stack stack; |
177 | size_t ssize; |
|
|
178 | |
183 | |
179 | /* cpu state */ |
184 | /* cpu state */ |
180 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
185 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
|
|
186 | #ifndef NDEBUG |
181 | JMPENV *idle_te; /* same as idle_sp, but for top_env, TODO: remove once stable */ |
187 | JMPENV *idle_te; /* same as idle_sp, but for top_env */ |
|
|
188 | #endif |
182 | JMPENV *top_env; |
189 | JMPENV *top_env; |
183 | coro_context cctx; |
190 | coro_context cctx; |
184 | |
191 | |
185 | U32 gen; |
192 | U32 gen; |
186 | #if CORO_USE_VALGRIND |
193 | #if CORO_USE_VALGRIND |
187 | int valgrind_id; |
194 | int valgrind_id; |
188 | #endif |
195 | #endif |
189 | unsigned char flags; |
196 | unsigned char flags; |
190 | } coro_cctx; |
197 | } coro_cctx; |
191 | |
198 | |
192 | coro_cctx *cctx_current; /* the currently running cctx */ |
199 | static coro_cctx *cctx_current; /* the currently running cctx */ |
193 | |
200 | |
194 | /*****************************************************************************/ |
201 | /*****************************************************************************/ |
195 | |
202 | |
|
|
203 | static MGVTBL coro_state_vtbl; |
|
|
204 | |
196 | enum { |
205 | enum |
|
|
206 | { |
197 | CF_RUNNING = 0x0001, /* coroutine is running */ |
207 | CF_RUNNING = 0x0001, /* coroutine is running */ |
198 | CF_READY = 0x0002, /* coroutine is ready */ |
208 | CF_READY = 0x0002, /* coroutine is ready */ |
199 | CF_NEW = 0x0004, /* has never been switched to */ |
209 | CF_NEW = 0x0004, /* has never been switched to */ |
200 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
210 | CF_ZOMBIE = 0x0008, /* coroutine data has been freed */ |
201 | CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */ |
211 | CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */ |
|
|
212 | CF_NOCANCEL = 0x0020, /* cannot cancel, set slf_frame.data to 1 (hackish) */ |
202 | }; |
213 | }; |
203 | |
214 | |
204 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
215 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
205 | typedef struct |
216 | typedef struct |
206 | { |
217 | { |
207 | SV *defsv; |
|
|
208 | AV *defav; |
|
|
209 | SV *errsv; |
|
|
210 | SV *irsgv; |
|
|
211 | HV *hinthv; |
|
|
212 | #define VAR(name,type) type name; |
218 | #define VARx(name,expr,type) type name; |
213 | # include "state.h" |
219 | #include "state.h" |
214 | #undef VAR |
|
|
215 | } perl_slots; |
220 | } perl_slots; |
216 | |
221 | |
|
|
222 | /* how many context stack entries do we need for perl_slots */ |
217 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
223 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
218 | |
224 | |
219 | /* this is a structure representing a perl-level coroutine */ |
225 | /* this is a structure representing a perl-level coroutine */ |
220 | struct coro { |
226 | struct coro |
|
|
227 | { |
221 | /* the C coroutine allocated to this perl coroutine, if any */ |
228 | /* the C coroutine allocated to this perl coroutine, if any */ |
222 | coro_cctx *cctx; |
229 | coro_cctx *cctx; |
223 | |
230 | |
224 | /* ready queue */ |
231 | /* ready queue */ |
225 | struct coro *next_ready; |
232 | struct coro *next_ready; |
… | |
… | |
227 | /* state data */ |
234 | /* state data */ |
228 | struct CoroSLF slf_frame; /* saved slf frame */ |
235 | struct CoroSLF slf_frame; /* saved slf frame */ |
229 | AV *mainstack; |
236 | AV *mainstack; |
230 | perl_slots *slot; /* basically the saved sp */ |
237 | perl_slots *slot; /* basically the saved sp */ |
231 | |
238 | |
232 | CV *startcv; /* the CV to execute */ |
239 | CV *startcv; /* the CV to execute */ |
233 | AV *args; /* data associated with this coroutine (initial args) */ |
240 | AV *args; /* data associated with this coroutine (initial args) */ |
234 | int refcnt; /* coroutines are refcounted, yes */ |
|
|
235 | int flags; /* CF_ flags */ |
241 | int flags; /* CF_ flags */ |
236 | HV *hv; /* the perl hash associated with this coro, if any */ |
242 | HV *hv; /* the perl hash associated with this coro, if any */ |
237 | void (*on_destroy)(pTHX_ struct coro *coro); |
|
|
238 | |
243 | |
239 | /* statistics */ |
244 | /* statistics */ |
240 | int usecount; /* number of transfers to this coro */ |
245 | int usecount; /* number of transfers to this coro */ |
241 | |
246 | |
242 | /* coro process data */ |
247 | /* coro process data */ |
243 | int prio; |
248 | int prio; |
244 | SV *except; /* exception to be thrown */ |
249 | SV *except; /* exception to be thrown */ |
245 | SV *rouse_cb; |
250 | SV *rouse_cb; /* last rouse callback */ |
|
|
251 | AV *on_destroy; /* callbacks or coros to notify on destroy */ |
|
|
252 | AV *status; /* the exit status list */ |
246 | |
253 | |
247 | /* async_pool */ |
254 | /* async_pool */ |
248 | SV *saved_deffh; |
255 | SV *saved_deffh; |
249 | SV *invoke_cb; |
256 | SV *invoke_cb; |
250 | AV *invoke_av; |
257 | AV *invoke_av; |
251 | |
258 | |
252 | /* on_enter/on_leave */ |
259 | /* on_enter/on_leave */ |
253 | AV *on_enter; |
260 | AV *on_enter; AV *on_enter_xs; |
254 | AV *on_leave; |
261 | AV *on_leave; AV *on_leave_xs; |
|
|
262 | |
|
|
263 | /* swap_sv */ |
|
|
264 | AV *swap_sv; |
255 | |
265 | |
256 | /* times */ |
266 | /* times */ |
257 | coro_ts t_cpu, t_real; |
267 | coro_ts t_cpu, t_real; |
258 | |
268 | |
259 | /* linked list */ |
269 | /* linked list */ |
… | |
… | |
263 | typedef struct coro *Coro__State; |
273 | typedef struct coro *Coro__State; |
264 | typedef struct coro *Coro__State_or_hashref; |
274 | typedef struct coro *Coro__State_or_hashref; |
265 | |
275 | |
266 | /* the following variables are effectively part of the perl context */ |
276 | /* the following variables are effectively part of the perl context */ |
267 | /* and get copied between struct coro and these variables */ |
277 | /* and get copied between struct coro and these variables */ |
268 | /* the mainr easonw e don't support windows process emulation */ |
278 | /* the main reason we don't support windows process emulation */ |
269 | static struct CoroSLF slf_frame; /* the current slf frame */ |
279 | static struct CoroSLF slf_frame; /* the current slf frame */ |
270 | |
280 | |
271 | /** Coro ********************************************************************/ |
281 | /** Coro ********************************************************************/ |
272 | |
282 | |
273 | #define CORO_PRIO_MAX 3 |
283 | #define CORO_PRIO_MAX 3 |
… | |
… | |
279 | |
289 | |
280 | /* for Coro.pm */ |
290 | /* for Coro.pm */ |
281 | static SV *coro_current; |
291 | static SV *coro_current; |
282 | static SV *coro_readyhook; |
292 | static SV *coro_readyhook; |
283 | static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ |
293 | static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ |
284 | static CV *cv_coro_run, *cv_coro_terminate; |
294 | static CV *cv_coro_run; |
285 | static struct coro *coro_first; |
295 | static struct coro *coro_first; |
286 | #define coro_nready coroapi.nready |
296 | #define coro_nready coroapi.nready |
287 | |
297 | |
|
|
298 | /** JIT *********************************************************************/ |
|
|
299 | |
|
|
300 | #if CORO_JIT |
|
|
301 | /* APPLE doesn't have mmap though */ |
|
|
302 | #define CORO_JIT_UNIXY (__linux || __FreeBSD__ || __OpenBSD__ || __NetBSD__ || __solaris || __APPLE__) |
|
|
303 | #ifndef CORO_JIT_TYPE |
|
|
304 | #if ECB_AMD64 && CORO_JIT_UNIXY |
|
|
305 | #define CORO_JIT_TYPE "amd64-unix" |
|
|
306 | #elif __i386 && CORO_JIT_UNIXY |
|
|
307 | #define CORO_JIT_TYPE "x86-unix" |
|
|
308 | #endif |
|
|
309 | #endif |
|
|
310 | #endif |
|
|
311 | |
|
|
312 | #if !defined(CORO_JIT_TYPE) || _POSIX_MEMORY_PROTECTION <= 0 |
|
|
313 | #undef CORO_JIT |
|
|
314 | #endif |
|
|
315 | |
|
|
316 | #if CORO_JIT |
|
|
317 | typedef void (*load_save_perl_slots_type)(perl_slots *); |
|
|
318 | static load_save_perl_slots_type load_perl_slots, save_perl_slots; |
|
|
319 | #endif |
|
|
320 | |
|
|
321 | /** Coro::Select ************************************************************/ |
|
|
322 | |
|
|
323 | static OP *(*coro_old_pp_sselect) (pTHX); |
|
|
324 | static SV *coro_select_select; |
|
|
325 | |
|
|
326 | /* horrible hack, but if it works... */ |
|
|
327 | static OP * |
|
|
328 | coro_pp_sselect (pTHX) |
|
|
329 | { |
|
|
330 | dSP; |
|
|
331 | PUSHMARK (SP - 4); /* fake argument list */ |
|
|
332 | XPUSHs (coro_select_select); |
|
|
333 | PUTBACK; |
|
|
334 | |
|
|
335 | /* entersub is an UNOP, select a LISTOP... keep your fingers crossed */ |
|
|
336 | PL_op->op_flags |= OPf_STACKED; |
|
|
337 | PL_op->op_private = 0; |
|
|
338 | return PL_ppaddr [OP_ENTERSUB](aTHX); |
|
|
339 | } |
|
|
340 | |
|
|
341 | /** time stuff **************************************************************/ |
|
|
342 | |
|
|
343 | #ifdef HAS_GETTIMEOFDAY |
|
|
344 | |
|
|
345 | ecb_inline void |
|
|
346 | coro_u2time (pTHX_ UV ret[2]) |
|
|
347 | { |
|
|
348 | struct timeval tv; |
|
|
349 | gettimeofday (&tv, 0); |
|
|
350 | |
|
|
351 | ret [0] = tv.tv_sec; |
|
|
352 | ret [1] = tv.tv_usec; |
|
|
353 | } |
|
|
354 | |
|
|
355 | ecb_inline double |
|
|
356 | coro_nvtime (void) |
|
|
357 | { |
|
|
358 | struct timeval tv; |
|
|
359 | gettimeofday (&tv, 0); |
|
|
360 | |
|
|
361 | return tv.tv_sec + tv.tv_usec * 1e-6; |
|
|
362 | } |
|
|
363 | |
|
|
364 | ecb_inline void |
|
|
365 | time_init (pTHX) |
|
|
366 | { |
|
|
367 | nvtime = coro_nvtime; |
|
|
368 | u2time = coro_u2time; |
|
|
369 | } |
|
|
370 | |
|
|
371 | #else |
|
|
372 | |
|
|
373 | ecb_inline void |
|
|
374 | time_init (pTHX) |
|
|
375 | { |
|
|
376 | SV **svp; |
|
|
377 | |
|
|
378 | require_pv ("Time/HiRes.pm"); |
|
|
379 | |
|
|
380 | svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
|
|
381 | |
|
|
382 | if (!svp) croak ("Time::HiRes is required, but missing. Caught"); |
|
|
383 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer. Caught"); |
|
|
384 | |
|
|
385 | nvtime = INT2PTR (double (*)(), SvIV (*svp)); |
|
|
386 | |
|
|
387 | svp = hv_fetch (PL_modglobal, "Time::U2time", 12, 0); |
|
|
388 | u2time = INT2PTR (void (*)(pTHX_ UV ret[2]), SvIV (*svp)); |
|
|
389 | } |
|
|
390 | |
|
|
391 | #endif |
|
|
392 | |
288 | /** lowlevel stuff **********************************************************/ |
393 | /** lowlevel stuff **********************************************************/ |
289 | |
394 | |
290 | static SV * |
395 | static SV * ecb_noinline |
291 | coro_get_sv (pTHX_ const char *name, int create) |
396 | coro_get_sv (pTHX_ const char *name, int create) |
292 | { |
397 | { |
293 | #if PERL_VERSION_ATLEAST (5,10,0) |
398 | #if PERL_VERSION_ATLEAST (5,10,0) |
294 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
399 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
295 | get_sv (name, create); |
400 | get_sv (name, create); |
296 | #endif |
401 | #endif |
297 | return get_sv (name, create); |
402 | return get_sv (name, create); |
298 | } |
403 | } |
299 | |
404 | |
300 | static AV * |
405 | static AV * ecb_noinline |
301 | coro_get_av (pTHX_ const char *name, int create) |
406 | coro_get_av (pTHX_ const char *name, int create) |
302 | { |
407 | { |
303 | #if PERL_VERSION_ATLEAST (5,10,0) |
408 | #if PERL_VERSION_ATLEAST (5,10,0) |
304 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
409 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
305 | get_av (name, create); |
410 | get_av (name, create); |
306 | #endif |
411 | #endif |
307 | return get_av (name, create); |
412 | return get_av (name, create); |
308 | } |
413 | } |
309 | |
414 | |
310 | static HV * |
415 | static HV * ecb_noinline |
311 | coro_get_hv (pTHX_ const char *name, int create) |
416 | coro_get_hv (pTHX_ const char *name, int create) |
312 | { |
417 | { |
313 | #if PERL_VERSION_ATLEAST (5,10,0) |
418 | #if PERL_VERSION_ATLEAST (5,10,0) |
314 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
419 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
315 | get_hv (name, create); |
420 | get_hv (name, create); |
316 | #endif |
421 | #endif |
317 | return get_hv (name, create); |
422 | return get_hv (name, create); |
318 | } |
423 | } |
319 | |
424 | |
320 | INLINE void |
425 | ecb_inline void |
321 | coro_times_update () |
426 | coro_times_update (void) |
322 | { |
427 | { |
323 | #ifdef coro_clock_gettime |
428 | #ifdef coro_clock_gettime |
324 | struct timespec ts; |
429 | struct timespec ts; |
325 | |
430 | |
326 | ts.tv_sec = ts.tv_nsec = 0; |
431 | ts.tv_sec = ts.tv_nsec = 0; |
… | |
… | |
338 | time_real [0] = tv [0]; |
443 | time_real [0] = tv [0]; |
339 | time_real [1] = tv [1] * 1000; |
444 | time_real [1] = tv [1] * 1000; |
340 | #endif |
445 | #endif |
341 | } |
446 | } |
342 | |
447 | |
343 | INLINE void |
448 | ecb_inline void |
344 | coro_times_add (struct coro *c) |
449 | coro_times_add (struct coro *c) |
345 | { |
450 | { |
346 | c->t_real [1] += time_real [1]; |
451 | c->t_real [1] += time_real [1]; |
347 | if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } |
452 | if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } |
348 | c->t_real [0] += time_real [0]; |
453 | c->t_real [0] += time_real [0]; |
… | |
… | |
350 | c->t_cpu [1] += time_cpu [1]; |
455 | c->t_cpu [1] += time_cpu [1]; |
351 | if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } |
456 | if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } |
352 | c->t_cpu [0] += time_cpu [0]; |
457 | c->t_cpu [0] += time_cpu [0]; |
353 | } |
458 | } |
354 | |
459 | |
355 | INLINE void |
460 | ecb_inline void |
356 | coro_times_sub (struct coro *c) |
461 | coro_times_sub (struct coro *c) |
357 | { |
462 | { |
358 | if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } |
463 | if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } |
359 | c->t_real [1] -= time_real [1]; |
464 | c->t_real [1] -= time_real [1]; |
360 | c->t_real [0] -= time_real [0]; |
465 | c->t_real [0] -= time_real [0]; |
… | |
… | |
368 | /* magic glue */ |
473 | /* magic glue */ |
369 | |
474 | |
370 | #define CORO_MAGIC_type_cv 26 |
475 | #define CORO_MAGIC_type_cv 26 |
371 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
476 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
372 | |
477 | |
373 | #define CORO_MAGIC_NN(sv, type) \ |
478 | #define CORO_MAGIC_NN(sv, type) \ |
374 | (expect_true (SvMAGIC (sv)->mg_type == type) \ |
479 | (ecb_expect_true (SvMAGIC (sv)->mg_type == type) \ |
375 | ? SvMAGIC (sv) \ |
480 | ? SvMAGIC (sv) \ |
376 | : mg_find (sv, type)) |
481 | : mg_find (sv, type)) |
377 | |
482 | |
378 | #define CORO_MAGIC(sv, type) \ |
483 | #define CORO_MAGIC(sv, type) \ |
379 | (expect_true (SvMAGIC (sv)) \ |
484 | (ecb_expect_true (SvMAGIC (sv)) \ |
380 | ? CORO_MAGIC_NN (sv, type) \ |
485 | ? CORO_MAGIC_NN (sv, type) \ |
381 | : 0) |
486 | : 0) |
382 | |
487 | |
383 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
488 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
384 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
489 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
385 | |
490 | |
386 | INLINE struct coro * |
491 | ecb_inline MAGIC * |
387 | SvSTATE_ (pTHX_ SV *coro) |
492 | SvSTATEhv_p (pTHX_ SV *coro) |
388 | { |
493 | { |
389 | HV *stash; |
|
|
390 | MAGIC *mg; |
494 | MAGIC *mg; |
391 | |
495 | |
|
|
496 | if (ecb_expect_true ( |
|
|
497 | SvTYPE (coro) == SVt_PVHV |
|
|
498 | && (mg = CORO_MAGIC_state (coro)) |
|
|
499 | && mg->mg_virtual == &coro_state_vtbl |
|
|
500 | )) |
|
|
501 | return mg; |
|
|
502 | |
|
|
503 | return 0; |
|
|
504 | } |
|
|
505 | |
|
|
506 | ecb_inline struct coro * |
|
|
507 | SvSTATE_ (pTHX_ SV *coro_sv) |
|
|
508 | { |
|
|
509 | MAGIC *mg; |
|
|
510 | |
392 | if (SvROK (coro)) |
511 | if (SvROK (coro_sv)) |
393 | coro = SvRV (coro); |
512 | coro_sv = SvRV (coro_sv); |
394 | |
513 | |
395 | if (expect_false (SvTYPE (coro) != SVt_PVHV)) |
514 | mg = SvSTATEhv_p (aTHX_ coro_sv); |
|
|
515 | if (!mg) |
396 | croak ("Coro::State object required"); |
516 | croak ("Coro::State object required"); |
397 | |
517 | |
398 | stash = SvSTASH (coro); |
|
|
399 | if (expect_false (stash != coro_stash && stash != coro_state_stash)) |
|
|
400 | { |
|
|
401 | /* very slow, but rare, check */ |
|
|
402 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
|
|
403 | croak ("Coro::State object required"); |
|
|
404 | } |
|
|
405 | |
|
|
406 | mg = CORO_MAGIC_state (coro); |
|
|
407 | return (struct coro *)mg->mg_ptr; |
518 | return (struct coro *)mg->mg_ptr; |
408 | } |
519 | } |
409 | |
520 | |
410 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
521 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
411 | |
522 | |
… | |
… | |
414 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
525 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
415 | |
526 | |
416 | /*****************************************************************************/ |
527 | /*****************************************************************************/ |
417 | /* padlist management and caching */ |
528 | /* padlist management and caching */ |
418 | |
529 | |
419 | static AV * |
530 | ecb_inline PADLIST * |
420 | coro_derive_padlist (pTHX_ CV *cv) |
531 | coro_derive_padlist (pTHX_ CV *cv) |
421 | { |
532 | { |
422 | AV *padlist = CvPADLIST (cv); |
533 | PADLIST *padlist = CvPADLIST (cv); |
423 | AV *newpadlist, *newpad; |
534 | PADLIST *newpadlist; |
|
|
535 | PADNAMELIST *padnames; |
|
|
536 | PAD *newpad; |
|
|
537 | PADOFFSET off = PadlistMAX (padlist) + 1; |
424 | |
538 | |
425 | newpadlist = newAV (); |
539 | #if NEWPADAPI |
|
|
540 | |
|
|
541 | /* if we had the original CvDEPTH, we might be able to steal the CvDEPTH+1 entry instead */ |
|
|
542 | /* 20131102194744.GA6705@schmorp.de, 20131102195825.2013.qmail@lists-nntp.develooper.com */ |
|
|
543 | while (!PadlistARRAY (padlist)[off - 1]) |
|
|
544 | --off; |
|
|
545 | |
|
|
546 | Perl_pad_push (aTHX_ padlist, off); |
|
|
547 | |
|
|
548 | newpad = PadlistARRAY (padlist)[off]; |
|
|
549 | PadlistARRAY (padlist)[off] = 0; |
|
|
550 | |
|
|
551 | #else |
|
|
552 | |
|
|
553 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
554 | Perl_pad_push (aTHX_ padlist, off); |
|
|
555 | #else |
|
|
556 | Perl_pad_push (aTHX_ padlist, off, 1); |
|
|
557 | #endif |
|
|
558 | |
|
|
559 | newpad = PadlistARRAY (padlist)[off]; |
|
|
560 | PadlistMAX (padlist) = off - 1; |
|
|
561 | |
|
|
562 | #endif |
|
|
563 | |
|
|
564 | newPADLIST (newpadlist); |
|
|
565 | #if !PERL_VERSION_ATLEAST(5,15,3) |
|
|
566 | /* Padlists are AvREAL as of 5.15.3. See perl bug #98092 and perl commit 7d953ba. */ |
426 | AvREAL_off (newpadlist); |
567 | AvREAL_off (newpadlist); |
427 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
428 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1); |
|
|
429 | #else |
|
|
430 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
|
|
431 | #endif |
568 | #endif |
432 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
|
|
433 | --AvFILLp (padlist); |
|
|
434 | |
569 | |
435 | av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0])); |
570 | /* Already extended to 2 elements by newPADLIST. */ |
436 | av_store (newpadlist, 1, (SV *)newpad); |
571 | PadlistMAX (newpadlist) = 1; |
|
|
572 | |
|
|
573 | padnames = PadlistNAMES (padlist); |
|
|
574 | ++PadnamelistREFCNT (padnames); |
|
|
575 | PadlistNAMES (newpadlist) = padnames; |
|
|
576 | |
|
|
577 | PadlistARRAY (newpadlist)[1] = newpad; |
437 | |
578 | |
438 | return newpadlist; |
579 | return newpadlist; |
439 | } |
580 | } |
440 | |
581 | |
441 | static void |
582 | ecb_inline void |
442 | free_padlist (pTHX_ AV *padlist) |
583 | free_padlist (pTHX_ PADLIST *padlist) |
443 | { |
584 | { |
444 | /* may be during global destruction */ |
585 | /* may be during global destruction */ |
445 | if (!IN_DESTRUCT) |
586 | if (!IN_DESTRUCT) |
446 | { |
587 | { |
447 | I32 i = AvFILLp (padlist); |
588 | I32 i = PadlistMAX (padlist); |
448 | |
589 | |
449 | while (i > 0) /* special-case index 0 */ |
590 | while (i > 0) /* special-case index 0 */ |
450 | { |
591 | { |
451 | /* we try to be extra-careful here */ |
592 | /* we try to be extra-careful here */ |
452 | AV *av = (AV *)AvARRAY (padlist)[i--]; |
593 | PAD *pad = PadlistARRAY (padlist)[i--]; |
453 | I32 j = AvFILLp (av); |
|
|
454 | |
594 | |
|
|
595 | if (pad) |
|
|
596 | { |
|
|
597 | I32 j = PadMAX (pad); |
|
|
598 | |
455 | while (j >= 0) |
599 | while (j >= 0) |
456 | SvREFCNT_dec (AvARRAY (av)[j--]); |
600 | SvREFCNT_dec (PadARRAY (pad)[j--]); |
457 | |
601 | |
458 | AvFILLp (av) = -1; |
602 | PadMAX (pad) = -1; |
459 | SvREFCNT_dec (av); |
603 | SvREFCNT_dec (pad); |
|
|
604 | } |
460 | } |
605 | } |
461 | |
606 | |
462 | SvREFCNT_dec (AvARRAY (padlist)[0]); |
607 | PadnamelistREFCNT_dec (PadlistNAMES (padlist)); |
463 | |
608 | |
|
|
609 | #if NEWPADAPI |
|
|
610 | Safefree (PadlistARRAY (padlist)); |
|
|
611 | Safefree (padlist); |
|
|
612 | #else |
464 | AvFILLp (padlist) = -1; |
613 | AvFILLp (padlist) = -1; |
|
|
614 | AvREAL_off (padlist); |
465 | SvREFCNT_dec ((SV*)padlist); |
615 | SvREFCNT_dec ((SV*)padlist); |
|
|
616 | #endif |
466 | } |
617 | } |
467 | } |
618 | } |
468 | |
619 | |
469 | static int |
620 | static int |
470 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
621 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
471 | { |
622 | { |
472 | AV *padlist; |
623 | PADLIST *padlist; |
473 | AV *av = (AV *)mg->mg_obj; |
624 | PADLIST **padlists = (PADLIST **)(mg->mg_ptr + sizeof(size_t)); |
|
|
625 | size_t len = *(size_t *)mg->mg_ptr; |
474 | |
626 | |
475 | /* perl manages to free our internal AV and _then_ call us */ |
627 | /* perl manages to free our internal AV and _then_ call us */ |
476 | if (IN_DESTRUCT) |
628 | if (IN_DESTRUCT) |
477 | return 0; |
629 | return 0; |
478 | |
630 | |
479 | /* casting is fun. */ |
631 | while (len--) |
480 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
|
|
481 | free_padlist (aTHX_ padlist); |
632 | free_padlist (aTHX_ padlists[len]); |
482 | |
|
|
483 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
|
|
484 | |
633 | |
485 | return 0; |
634 | return 0; |
486 | } |
635 | } |
487 | |
636 | |
488 | static MGVTBL coro_cv_vtbl = { |
637 | static MGVTBL coro_cv_vtbl = { |
489 | 0, 0, 0, 0, |
638 | 0, 0, 0, 0, |
490 | coro_cv_free |
639 | coro_cv_free |
491 | }; |
640 | }; |
492 | |
641 | |
493 | /* the next two functions merely cache the padlists */ |
642 | /* the next two functions merely cache the padlists */ |
494 | static void |
643 | ecb_inline void |
495 | get_padlist (pTHX_ CV *cv) |
644 | get_padlist (pTHX_ CV *cv) |
496 | { |
645 | { |
497 | MAGIC *mg = CORO_MAGIC_cv (cv); |
646 | MAGIC *mg = CORO_MAGIC_cv (cv); |
498 | AV *av; |
647 | size_t *lenp; |
499 | |
648 | |
500 | if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
649 | if (ecb_expect_true (mg && *(lenp = (size_t *)mg->mg_ptr))) |
501 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
650 | CvPADLIST (cv) = ((PADLIST **)(mg->mg_ptr + sizeof(size_t)))[--*lenp]; |
502 | else |
651 | else |
503 | { |
652 | { |
504 | #if CORO_PREFER_PERL_FUNCTIONS |
653 | #if CORO_PREFER_PERL_FUNCTIONS |
505 | /* this is probably cleaner? but also slower! */ |
654 | /* this is probably cleaner? but also slower! */ |
506 | /* in practise, it seems to be less stable */ |
655 | /* in practise, it seems to be less stable */ |
… | |
… | |
512 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
661 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
513 | #endif |
662 | #endif |
514 | } |
663 | } |
515 | } |
664 | } |
516 | |
665 | |
517 | static void |
666 | ecb_inline void |
518 | put_padlist (pTHX_ CV *cv) |
667 | put_padlist (pTHX_ CV *cv) |
519 | { |
668 | { |
520 | MAGIC *mg = CORO_MAGIC_cv (cv); |
669 | MAGIC *mg = CORO_MAGIC_cv (cv); |
521 | AV *av; |
|
|
522 | |
670 | |
523 | if (expect_false (!mg)) |
671 | if (ecb_expect_false (!mg)) |
|
|
672 | { |
524 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
673 | mg = sv_magicext ((SV *)cv, 0, CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
|
|
674 | Newz (0, mg->mg_ptr ,sizeof (size_t) + sizeof (PADLIST *), char); |
|
|
675 | mg->mg_len = 1; /* so mg_free frees mg_ptr */ |
|
|
676 | } |
|
|
677 | else |
|
|
678 | Renew (mg->mg_ptr, |
|
|
679 | sizeof(size_t) + (*(size_t *)mg->mg_ptr + 1) * sizeof(PADLIST *), |
|
|
680 | char); |
525 | |
681 | |
526 | av = (AV *)mg->mg_obj; |
682 | ((PADLIST **)(mg->mg_ptr + sizeof (size_t))) [(*(size_t *)mg->mg_ptr)++] = CvPADLIST (cv); |
527 | |
|
|
528 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
|
|
529 | av_extend (av, AvFILLp (av) + 1); |
|
|
530 | |
|
|
531 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
|
|
532 | } |
683 | } |
533 | |
684 | |
534 | /** load & save, init *******************************************************/ |
685 | /** load & save, init *******************************************************/ |
|
|
686 | |
|
|
687 | ecb_inline void |
|
|
688 | swap_sv (SV *a, SV *b) |
|
|
689 | { |
|
|
690 | const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */ |
|
|
691 | SV tmp; |
|
|
692 | |
|
|
693 | /* swap sv_any */ |
|
|
694 | SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp); |
|
|
695 | |
|
|
696 | /* swap sv_flags */ |
|
|
697 | SvFLAGS (&tmp) = SvFLAGS (a); |
|
|
698 | SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep); |
|
|
699 | SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep); |
|
|
700 | |
|
|
701 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
702 | /* perl 5.10 and later complicates this _quite_ a bit, but it also |
|
|
703 | * is much faster, so no quarrels here. alternatively, we could |
|
|
704 | * sv_upgrade to avoid this. |
|
|
705 | */ |
|
|
706 | { |
|
|
707 | /* swap sv_u */ |
|
|
708 | tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u; |
|
|
709 | |
|
|
710 | /* if SvANY points to the head, we need to adjust the pointers, |
|
|
711 | * as the pointer for a still points to b, and maybe vice versa. |
|
|
712 | */ |
|
|
713 | U32 svany_in_head_set = (1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV); |
|
|
714 | #if NVSIZE <= IVSIZE && PERL_VERSION_ATLEAST(5,22,0) |
|
|
715 | svany_in_head_set |= 1 << SVt_NV; |
|
|
716 | #endif |
|
|
717 | |
|
|
718 | #define svany_in_head(type) (svany_in_head_set & (1 << (type))) |
|
|
719 | |
|
|
720 | if (svany_in_head (SvTYPE (a))) |
|
|
721 | SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a); |
|
|
722 | |
|
|
723 | if (svany_in_head (SvTYPE (b))) |
|
|
724 | SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b); |
|
|
725 | } |
|
|
726 | #endif |
|
|
727 | } |
|
|
728 | |
|
|
729 | /* swap sv heads, at least logically */ |
|
|
730 | static void |
|
|
731 | swap_svs_enter (pTHX_ Coro__State c) |
|
|
732 | { |
|
|
733 | int i; |
|
|
734 | |
|
|
735 | for (i = 0; i <= AvFILLp (c->swap_sv); i += 2) |
|
|
736 | swap_sv (AvARRAY (c->swap_sv)[i], AvARRAY (c->swap_sv)[i + 1]); |
|
|
737 | } |
|
|
738 | |
|
|
739 | static void |
|
|
740 | swap_svs_leave (pTHX_ Coro__State c) |
|
|
741 | { |
|
|
742 | int i; |
|
|
743 | |
|
|
744 | for (i = AvFILLp (c->swap_sv) - 1; i >= 0; i -= 2) |
|
|
745 | swap_sv (AvARRAY (c->swap_sv)[i], AvARRAY (c->swap_sv)[i + 1]); |
|
|
746 | } |
|
|
747 | |
|
|
748 | #define SWAP_SVS_ENTER(coro) \ |
|
|
749 | if (ecb_expect_false ((coro)->swap_sv)) \ |
|
|
750 | swap_svs_enter (aTHX_ (coro)) |
|
|
751 | |
|
|
752 | #define SWAP_SVS_LEAVE(coro) \ |
|
|
753 | if (ecb_expect_false ((coro)->swap_sv)) \ |
|
|
754 | swap_svs_leave (aTHX_ (coro)) |
535 | |
755 | |
536 | static void |
756 | static void |
537 | on_enterleave_call (pTHX_ SV *cb); |
757 | on_enterleave_call (pTHX_ SV *cb); |
538 | |
758 | |
539 | static void |
759 | static void |
… | |
… | |
542 | perl_slots *slot = c->slot; |
762 | perl_slots *slot = c->slot; |
543 | c->slot = 0; |
763 | c->slot = 0; |
544 | |
764 | |
545 | PL_mainstack = c->mainstack; |
765 | PL_mainstack = c->mainstack; |
546 | |
766 | |
547 | GvSV (PL_defgv) = slot->defsv; |
767 | #if CORO_JIT |
548 | GvAV (PL_defgv) = slot->defav; |
768 | load_perl_slots (slot); |
549 | GvSV (PL_errgv) = slot->errsv; |
769 | #else |
550 | GvSV (irsgv) = slot->irsgv; |
|
|
551 | GvHV (PL_hintgv) = slot->hinthv; |
|
|
552 | |
|
|
553 | #define VAR(name,type) PL_ ## name = slot->name; |
770 | #define VARx(name,expr,type) expr = slot->name; |
554 | # include "state.h" |
771 | #include "state.h" |
555 | #undef VAR |
772 | #endif |
556 | |
773 | |
557 | { |
774 | { |
558 | dSP; |
775 | dSP; |
559 | |
776 | |
560 | CV *cv; |
777 | CV *cv; |
561 | |
778 | |
562 | /* now do the ugly restore mess */ |
779 | /* now do the ugly restore mess */ |
563 | while (expect_true (cv = (CV *)POPs)) |
780 | while (ecb_expect_true (cv = (CV *)POPs)) |
564 | { |
781 | { |
565 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
782 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
566 | CvDEPTH (cv) = PTR2IV (POPs); |
783 | CvDEPTH (cv) = PTR2IV (POPs); |
567 | CvPADLIST (cv) = (AV *)POPs; |
784 | CvPADLIST (cv) = (PADLIST *)POPs; |
568 | } |
785 | } |
569 | |
786 | |
570 | PUTBACK; |
787 | PUTBACK; |
571 | } |
788 | } |
572 | |
789 | |
573 | slf_frame = c->slf_frame; |
790 | slf_frame = c->slf_frame; |
574 | CORO_THROW = c->except; |
791 | CORO_THROW = c->except; |
575 | |
792 | |
576 | if (expect_false (enable_times)) |
793 | if (ecb_expect_false (enable_times)) |
577 | { |
794 | { |
578 | if (expect_false (!times_valid)) |
795 | if (ecb_expect_false (!times_valid)) |
579 | coro_times_update (); |
796 | coro_times_update (); |
580 | |
797 | |
581 | coro_times_sub (c); |
798 | coro_times_sub (c); |
582 | } |
799 | } |
583 | |
800 | |
584 | if (expect_false (c->on_enter)) |
801 | if (ecb_expect_false (c->on_enter)) |
585 | { |
802 | { |
586 | int i; |
803 | int i; |
587 | |
804 | |
588 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
805 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
589 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
806 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
590 | } |
807 | } |
|
|
808 | |
|
|
809 | if (ecb_expect_false (c->on_enter_xs)) |
|
|
810 | { |
|
|
811 | int i; |
|
|
812 | |
|
|
813 | for (i = 0; i <= AvFILLp (c->on_enter_xs); i += 2) |
|
|
814 | ((coro_enterleave_hook)AvARRAY (c->on_enter_xs)[i]) (aTHX_ AvARRAY (c->on_enter_xs)[i + 1]); |
|
|
815 | } |
|
|
816 | |
|
|
817 | SWAP_SVS_ENTER (c); |
591 | } |
818 | } |
592 | |
819 | |
593 | static void |
820 | static void |
594 | save_perl (pTHX_ Coro__State c) |
821 | save_perl (pTHX_ Coro__State c) |
595 | { |
822 | { |
|
|
823 | SWAP_SVS_LEAVE (c); |
|
|
824 | |
|
|
825 | if (ecb_expect_false (c->on_leave_xs)) |
|
|
826 | { |
|
|
827 | int i; |
|
|
828 | |
|
|
829 | for (i = AvFILLp (c->on_leave_xs) - 1; i >= 0; i -= 2) |
|
|
830 | ((coro_enterleave_hook)AvARRAY (c->on_leave_xs)[i]) (aTHX_ AvARRAY (c->on_leave_xs)[i + 1]); |
|
|
831 | } |
|
|
832 | |
596 | if (expect_false (c->on_leave)) |
833 | if (ecb_expect_false (c->on_leave)) |
597 | { |
834 | { |
598 | int i; |
835 | int i; |
599 | |
836 | |
600 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
837 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
601 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
838 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
602 | } |
839 | } |
603 | |
840 | |
604 | times_valid = 0; |
841 | times_valid = 0; |
605 | |
842 | |
606 | if (expect_false (enable_times)) |
843 | if (ecb_expect_false (enable_times)) |
607 | { |
844 | { |
608 | coro_times_update (); times_valid = 1; |
845 | coro_times_update (); times_valid = 1; |
609 | coro_times_add (c); |
846 | coro_times_add (c); |
610 | } |
847 | } |
611 | |
848 | |
… | |
… | |
625 | |
862 | |
626 | XPUSHs (Nullsv); |
863 | XPUSHs (Nullsv); |
627 | /* this loop was inspired by pp_caller */ |
864 | /* this loop was inspired by pp_caller */ |
628 | for (;;) |
865 | for (;;) |
629 | { |
866 | { |
630 | while (expect_true (cxix >= 0)) |
867 | while (ecb_expect_true (cxix >= 0)) |
631 | { |
868 | { |
632 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
869 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
633 | |
870 | |
634 | if (expect_true (CxTYPE (cx) == CXt_SUB) || expect_false (CxTYPE (cx) == CXt_FORMAT)) |
871 | if (ecb_expect_true (CxTYPE (cx) == CXt_SUB) || ecb_expect_false (CxTYPE (cx) == CXt_FORMAT)) |
635 | { |
872 | { |
636 | CV *cv = cx->blk_sub.cv; |
873 | CV *cv = cx->blk_sub.cv; |
637 | |
874 | |
638 | if (expect_true (CvDEPTH (cv))) |
875 | if (ecb_expect_true (CvDEPTH (cv))) |
639 | { |
876 | { |
640 | EXTEND (SP, 3); |
877 | EXTEND (SP, 3); |
641 | PUSHs ((SV *)CvPADLIST (cv)); |
878 | PUSHs ((SV *)CvPADLIST (cv)); |
642 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
879 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
643 | PUSHs ((SV *)cv); |
880 | PUSHs ((SV *)cv); |
… | |
… | |
646 | get_padlist (aTHX_ cv); |
883 | get_padlist (aTHX_ cv); |
647 | } |
884 | } |
648 | } |
885 | } |
649 | } |
886 | } |
650 | |
887 | |
651 | if (expect_true (top_si->si_type == PERLSI_MAIN)) |
888 | if (ecb_expect_true (top_si->si_type == PERLSI_MAIN)) |
652 | break; |
889 | break; |
653 | |
890 | |
654 | top_si = top_si->si_prev; |
891 | top_si = top_si->si_prev; |
655 | ccstk = top_si->si_cxstack; |
892 | ccstk = top_si->si_cxstack; |
656 | cxix = top_si->si_cxix; |
893 | cxix = top_si->si_cxix; |
… | |
… | |
658 | |
895 | |
659 | PUTBACK; |
896 | PUTBACK; |
660 | } |
897 | } |
661 | |
898 | |
662 | /* allocate some space on the context stack for our purposes */ |
899 | /* allocate some space on the context stack for our purposes */ |
663 | /* we manually unroll here, as usually 2 slots is enough */ |
900 | if (ecb_expect_false (cxstack_ix + (int)SLOT_COUNT >= cxstack_max)) |
664 | if (SLOT_COUNT >= 1) CXINC; |
|
|
665 | if (SLOT_COUNT >= 2) CXINC; |
|
|
666 | if (SLOT_COUNT >= 3) CXINC; |
|
|
667 | { |
901 | { |
668 | unsigned int i; |
902 | unsigned int i; |
|
|
903 | |
669 | for (i = 3; i < SLOT_COUNT; ++i) |
904 | for (i = 0; i < SLOT_COUNT; ++i) |
670 | CXINC; |
905 | CXINC; |
671 | } |
906 | |
672 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
907 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
|
|
908 | } |
673 | |
909 | |
674 | c->mainstack = PL_mainstack; |
910 | c->mainstack = PL_mainstack; |
675 | |
911 | |
676 | { |
912 | { |
677 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
913 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
678 | |
914 | |
679 | slot->defav = GvAV (PL_defgv); |
915 | #if CORO_JIT |
680 | slot->defsv = DEFSV; |
916 | save_perl_slots (slot); |
681 | slot->errsv = ERRSV; |
917 | #else |
682 | slot->irsgv = GvSV (irsgv); |
|
|
683 | slot->hinthv = GvHV (PL_hintgv); |
|
|
684 | |
|
|
685 | #define VAR(name,type) slot->name = PL_ ## name; |
918 | #define VARx(name,expr,type) slot->name = expr; |
686 | # include "state.h" |
919 | #include "state.h" |
687 | #undef VAR |
920 | #endif |
688 | } |
921 | } |
689 | } |
922 | } |
690 | |
923 | |
691 | /* |
924 | /* |
692 | * allocate various perl stacks. This is almost an exact copy |
925 | * allocate various perl stacks. This is almost an exact copy |
… | |
… | |
698 | # define coro_init_stacks(thx) init_stacks () |
931 | # define coro_init_stacks(thx) init_stacks () |
699 | #else |
932 | #else |
700 | static void |
933 | static void |
701 | coro_init_stacks (pTHX) |
934 | coro_init_stacks (pTHX) |
702 | { |
935 | { |
703 | PL_curstackinfo = new_stackinfo(32, 8); |
936 | PL_curstackinfo = new_stackinfo(32, 4 + SLOT_COUNT); /* 3 is minimum due to perl rounding down in scope.c:GROW() */ |
704 | PL_curstackinfo->si_type = PERLSI_MAIN; |
937 | PL_curstackinfo->si_type = PERLSI_MAIN; |
705 | PL_curstack = PL_curstackinfo->si_stack; |
938 | PL_curstack = PL_curstackinfo->si_stack; |
706 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
939 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
707 | |
940 | |
708 | PL_stack_base = AvARRAY(PL_curstack); |
941 | PL_stack_base = AvARRAY(PL_curstack); |
… | |
… | |
723 | #endif |
956 | #endif |
724 | |
957 | |
725 | New(54,PL_scopestack,8,I32); |
958 | New(54,PL_scopestack,8,I32); |
726 | PL_scopestack_ix = 0; |
959 | PL_scopestack_ix = 0; |
727 | PL_scopestack_max = 8; |
960 | PL_scopestack_max = 8; |
|
|
961 | #if HAS_SCOPESTACK_NAME |
|
|
962 | New(54,PL_scopestack_name,8,const char*); |
|
|
963 | #endif |
728 | |
964 | |
729 | New(54,PL_savestack,24,ANY); |
965 | New(54,PL_savestack,24,ANY); |
730 | PL_savestack_ix = 0; |
966 | PL_savestack_ix = 0; |
731 | PL_savestack_max = 24; |
967 | PL_savestack_max = 24; |
|
|
968 | #if !PERL_VERSION_ATLEAST (5,24,0) |
|
|
969 | /* perl 5.24 moves SS_MAXPUSH optimisation from */ |
|
|
970 | /* the header macros to PL_savestack_max */ |
|
|
971 | PL_savestack_max -= SS_MAXPUSH; |
|
|
972 | #endif |
732 | |
973 | |
733 | #if !PERL_VERSION_ATLEAST (5,10,0) |
974 | #if !PERL_VERSION_ATLEAST (5,10,0) |
734 | New(54,PL_retstack,4,OP*); |
975 | New(54,PL_retstack,4,OP*); |
735 | PL_retstack_ix = 0; |
976 | PL_retstack_ix = 0; |
736 | PL_retstack_max = 4; |
977 | PL_retstack_max = 4; |
… | |
… | |
760 | } |
1001 | } |
761 | |
1002 | |
762 | Safefree (PL_tmps_stack); |
1003 | Safefree (PL_tmps_stack); |
763 | Safefree (PL_markstack); |
1004 | Safefree (PL_markstack); |
764 | Safefree (PL_scopestack); |
1005 | Safefree (PL_scopestack); |
|
|
1006 | #if HAS_SCOPESTACK_NAME |
|
|
1007 | Safefree (PL_scopestack_name); |
|
|
1008 | #endif |
765 | Safefree (PL_savestack); |
1009 | Safefree (PL_savestack); |
766 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1010 | #if !PERL_VERSION_ATLEAST (5,10,0) |
767 | Safefree (PL_retstack); |
1011 | Safefree (PL_retstack); |
768 | #endif |
1012 | #endif |
769 | } |
1013 | } |
… | |
… | |
815 | #endif |
1059 | #endif |
816 | |
1060 | |
817 | /* |
1061 | /* |
818 | * This overrides the default magic get method of %SIG elements. |
1062 | * This overrides the default magic get method of %SIG elements. |
819 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
1063 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
820 | * and instead of trying to save and restore the hash elements, we just provide |
1064 | * and instead of trying to save and restore the hash elements (extremely slow), |
821 | * readback here. |
1065 | * we just provide our own readback here. |
822 | */ |
1066 | */ |
823 | static int |
1067 | static int ecb_cold |
824 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
1068 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
825 | { |
1069 | { |
826 | const char *s = MgPV_nolen_const (mg); |
1070 | const char *s = MgPV_nolen_const (mg); |
827 | |
1071 | |
828 | if (*s == '_') |
1072 | if (*s == '_') |
829 | { |
1073 | { |
830 | SV **svp = 0; |
1074 | SV **svp = 0; |
831 | |
1075 | |
832 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
1076 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
833 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
1077 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
834 | |
1078 | |
835 | if (svp) |
1079 | if (svp) |
836 | { |
1080 | { |
837 | sv_setsv (sv, *svp ? *svp : &PL_sv_undef); |
1081 | SV *ssv; |
|
|
1082 | |
|
|
1083 | if (!*svp) |
|
|
1084 | ssv = &PL_sv_undef; |
|
|
1085 | else if (SvTYPE (*svp) == SVt_PVCV) /* perlio directly stores a CV in warnhook. ugh. */ |
|
|
1086 | ssv = sv_2mortal (newRV_inc (*svp)); |
|
|
1087 | else |
|
|
1088 | ssv = *svp; |
|
|
1089 | |
|
|
1090 | sv_setsv (sv, ssv); |
838 | return 0; |
1091 | return 0; |
839 | } |
1092 | } |
840 | } |
1093 | } |
841 | |
1094 | |
842 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
1095 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
843 | } |
1096 | } |
844 | |
1097 | |
845 | static int |
1098 | static int ecb_cold |
846 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
1099 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
847 | { |
1100 | { |
848 | const char *s = MgPV_nolen_const (mg); |
1101 | const char *s = MgPV_nolen_const (mg); |
849 | |
1102 | |
850 | if (*s == '_') |
1103 | if (*s == '_') |
… | |
… | |
864 | } |
1117 | } |
865 | |
1118 | |
866 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
1119 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
867 | } |
1120 | } |
868 | |
1121 | |
869 | static int |
1122 | static int ecb_cold |
870 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
1123 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
871 | { |
1124 | { |
872 | const char *s = MgPV_nolen_const (mg); |
1125 | const char *s = MgPV_nolen_const (mg); |
873 | |
1126 | |
874 | if (*s == '_') |
1127 | if (*s == '_') |
… | |
… | |
907 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
1160 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
908 | { |
1161 | { |
909 | return 1; |
1162 | return 1; |
910 | } |
1163 | } |
911 | |
1164 | |
912 | static UNOP coro_setup_op; |
1165 | static UNOP init_perl_op; |
913 | |
1166 | |
914 | static void NOINLINE /* noinline to keep it out of the transfer fast path */ |
1167 | ecb_noinline static void /* noinline to keep it out of the transfer fast path */ |
915 | coro_setup (pTHX_ struct coro *coro) |
1168 | init_perl (pTHX_ struct coro *coro) |
916 | { |
1169 | { |
917 | /* |
1170 | /* |
918 | * emulate part of the perl startup here. |
1171 | * emulate part of the perl startup here. |
919 | */ |
1172 | */ |
920 | coro_init_stacks (aTHX); |
1173 | coro_init_stacks (aTHX); |
… | |
… | |
927 | PL_comppad_name_fill = 0; |
1180 | PL_comppad_name_fill = 0; |
928 | PL_comppad_name_floor = 0; |
1181 | PL_comppad_name_floor = 0; |
929 | PL_curpm = 0; |
1182 | PL_curpm = 0; |
930 | PL_curpad = 0; |
1183 | PL_curpad = 0; |
931 | PL_localizing = 0; |
1184 | PL_localizing = 0; |
932 | PL_dirty = 0; |
|
|
933 | PL_restartop = 0; |
1185 | PL_restartop = 0; |
934 | #if PERL_VERSION_ATLEAST (5,10,0) |
1186 | #if PERL_VERSION_ATLEAST (5,10,0) |
935 | PL_parser = 0; |
1187 | PL_parser = 0; |
936 | #endif |
1188 | #endif |
937 | PL_hints = 0; |
1189 | PL_hints = 0; |
938 | |
1190 | |
939 | /* recreate the die/warn hooks */ |
1191 | /* recreate the die/warn hooks */ |
940 | PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); |
1192 | PL_diehook = SvREFCNT_inc (rv_diehook); |
941 | PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook); |
1193 | PL_warnhook = SvREFCNT_inc (rv_warnhook); |
942 | |
1194 | |
943 | GvSV (PL_defgv) = newSV (0); |
1195 | GvSV (PL_defgv) = newSV (0); |
944 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1196 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
945 | GvSV (PL_errgv) = newSV (0); |
1197 | GvSV (PL_errgv) = newSV (0); |
946 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
1198 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
947 | GvHV (PL_hintgv) = 0; |
1199 | GvHV (PL_hintgv) = newHV (); |
|
|
1200 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
1201 | hv_magic (GvHV (PL_hintgv), 0, PERL_MAGIC_hints); |
|
|
1202 | #endif |
948 | PL_rs = newSVsv (GvSV (irsgv)); |
1203 | PL_rs = newSVsv (GvSV (irsgv)); |
949 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
1204 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
950 | |
1205 | |
951 | { |
1206 | { |
952 | dSP; |
1207 | dSP; |
… | |
… | |
967 | /* this newly created coroutine might be run on an existing cctx which most |
1222 | /* this newly created coroutine might be run on an existing cctx which most |
968 | * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. |
1223 | * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. |
969 | */ |
1224 | */ |
970 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
1225 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
971 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
1226 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
|
|
1227 | slf_frame.destroy = 0; |
972 | |
1228 | |
973 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
1229 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
974 | coro_setup_op.op_next = PL_op; |
1230 | init_perl_op.op_next = PL_op; |
975 | coro_setup_op.op_type = OP_ENTERSUB; |
1231 | init_perl_op.op_type = OP_ENTERSUB; |
976 | coro_setup_op.op_ppaddr = pp_slf; |
1232 | init_perl_op.op_ppaddr = pp_slf; |
977 | /* no flags etc. required, as an init function won't be called */ |
1233 | /* no flags etc. required, as an init function won't be called */ |
978 | |
1234 | |
979 | PL_op = (OP *)&coro_setup_op; |
1235 | PL_op = (OP *)&init_perl_op; |
980 | |
1236 | |
981 | /* copy throw, in case it was set before coro_setup */ |
1237 | /* copy throw, in case it was set before init_perl */ |
982 | CORO_THROW = coro->except; |
1238 | CORO_THROW = coro->except; |
983 | |
1239 | |
|
|
1240 | SWAP_SVS_ENTER (coro); |
|
|
1241 | |
984 | if (expect_false (enable_times)) |
1242 | if (ecb_expect_false (enable_times)) |
985 | { |
1243 | { |
986 | coro_times_update (); |
1244 | coro_times_update (); |
987 | coro_times_sub (coro); |
1245 | coro_times_sub (coro); |
988 | } |
1246 | } |
989 | } |
1247 | } |
… | |
… | |
1008 | dounwind (-1); |
1266 | dounwind (-1); |
1009 | } |
1267 | } |
1010 | } |
1268 | } |
1011 | |
1269 | |
1012 | static void |
1270 | static void |
1013 | coro_destruct_perl (pTHX_ struct coro *coro) |
1271 | destroy_perl (pTHX_ struct coro *coro) |
1014 | { |
1272 | { |
1015 | SV *svf [9]; |
1273 | SV *svf [9]; |
1016 | |
1274 | |
1017 | { |
1275 | { |
|
|
1276 | SV *old_current = SvRV (coro_current); |
1018 | struct coro *current = SvSTATE_current; |
1277 | struct coro *current = SvSTATE (old_current); |
1019 | |
1278 | |
1020 | assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack)); |
1279 | assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack)); |
1021 | |
1280 | |
1022 | save_perl (aTHX_ current); |
1281 | save_perl (aTHX_ current); |
|
|
1282 | |
|
|
1283 | /* this will cause transfer_check to croak on block*/ |
|
|
1284 | SvRV_set (coro_current, (SV *)coro->hv); |
|
|
1285 | |
1023 | load_perl (aTHX_ coro); |
1286 | load_perl (aTHX_ coro); |
1024 | |
1287 | |
|
|
1288 | /* restore swapped sv's */ |
|
|
1289 | SWAP_SVS_LEAVE (coro); |
|
|
1290 | |
1025 | coro_unwind_stacks (aTHX); |
1291 | coro_unwind_stacks (aTHX); |
|
|
1292 | |
1026 | coro_destruct_stacks (aTHX); |
1293 | coro_destruct_stacks (aTHX); |
1027 | |
1294 | |
1028 | // now save some sv's to be free'd later |
1295 | /* now save some sv's to be free'd later */ |
1029 | svf [0] = GvSV (PL_defgv); |
1296 | svf [0] = GvSV (PL_defgv); |
1030 | svf [1] = (SV *)GvAV (PL_defgv); |
1297 | svf [1] = (SV *)GvAV (PL_defgv); |
1031 | svf [2] = GvSV (PL_errgv); |
1298 | svf [2] = GvSV (PL_errgv); |
1032 | svf [3] = (SV *)PL_defoutgv; |
1299 | svf [3] = (SV *)PL_defoutgv; |
1033 | svf [4] = PL_rs; |
1300 | svf [4] = PL_rs; |
… | |
… | |
1035 | svf [6] = (SV *)GvHV (PL_hintgv); |
1302 | svf [6] = (SV *)GvHV (PL_hintgv); |
1036 | svf [7] = PL_diehook; |
1303 | svf [7] = PL_diehook; |
1037 | svf [8] = PL_warnhook; |
1304 | svf [8] = PL_warnhook; |
1038 | assert (9 == sizeof (svf) / sizeof (*svf)); |
1305 | assert (9 == sizeof (svf) / sizeof (*svf)); |
1039 | |
1306 | |
|
|
1307 | SvRV_set (coro_current, old_current); |
|
|
1308 | |
1040 | load_perl (aTHX_ current); |
1309 | load_perl (aTHX_ current); |
1041 | } |
1310 | } |
1042 | |
1311 | |
1043 | { |
1312 | { |
1044 | unsigned int i; |
1313 | unsigned int i; |
… | |
… | |
1048 | |
1317 | |
1049 | SvREFCNT_dec (coro->saved_deffh); |
1318 | SvREFCNT_dec (coro->saved_deffh); |
1050 | SvREFCNT_dec (coro->rouse_cb); |
1319 | SvREFCNT_dec (coro->rouse_cb); |
1051 | SvREFCNT_dec (coro->invoke_cb); |
1320 | SvREFCNT_dec (coro->invoke_cb); |
1052 | SvREFCNT_dec (coro->invoke_av); |
1321 | SvREFCNT_dec (coro->invoke_av); |
|
|
1322 | SvREFCNT_dec (coro->on_enter_xs); |
|
|
1323 | SvREFCNT_dec (coro->on_leave_xs); |
1053 | } |
1324 | } |
1054 | } |
1325 | } |
1055 | |
1326 | |
1056 | INLINE void |
1327 | ecb_inline void |
1057 | free_coro_mortal (pTHX) |
1328 | free_coro_mortal (pTHX) |
1058 | { |
1329 | { |
1059 | if (expect_true (coro_mortal)) |
1330 | if (ecb_expect_true (coro_mortal)) |
1060 | { |
1331 | { |
1061 | SvREFCNT_dec (coro_mortal); |
1332 | SvREFCNT_dec ((SV *)coro_mortal); |
1062 | coro_mortal = 0; |
1333 | coro_mortal = 0; |
1063 | } |
1334 | } |
1064 | } |
1335 | } |
1065 | |
1336 | |
1066 | static int |
1337 | static int |
… | |
… | |
1120 | |
1391 | |
1121 | if (PL_curcop != &PL_compiling) |
1392 | if (PL_curcop != &PL_compiling) |
1122 | { |
1393 | { |
1123 | SV **cb; |
1394 | SV **cb; |
1124 | |
1395 | |
1125 | if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB) |
1396 | if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB && cxstack_ix >= 0) |
1126 | { |
1397 | { |
1127 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1398 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1128 | |
1399 | |
1129 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
1400 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
1130 | { |
1401 | { |
… | |
… | |
1199 | |
1470 | |
1200 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1471 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1201 | } |
1472 | } |
1202 | |
1473 | |
1203 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1474 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1204 | static void NOINLINE |
1475 | static void ecb_noinline |
1205 | cctx_prepare (pTHX) |
1476 | cctx_prepare (pTHX) |
1206 | { |
1477 | { |
1207 | PL_top_env = &PL_start_env; |
1478 | PL_top_env = &PL_start_env; |
1208 | |
1479 | |
1209 | if (cctx_current->flags & CC_TRACE) |
1480 | if (cctx_current->flags & CC_TRACE) |
… | |
… | |
1220 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1491 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1221 | slf_frame.check = slf_check_set_stacklevel; |
1492 | slf_frame.check = slf_check_set_stacklevel; |
1222 | } |
1493 | } |
1223 | |
1494 | |
1224 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1495 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1225 | INLINE void |
1496 | ecb_inline void |
1226 | transfer_tail (pTHX) |
1497 | transfer_tail (pTHX) |
1227 | { |
1498 | { |
1228 | free_coro_mortal (aTHX); |
1499 | free_coro_mortal (aTHX); |
|
|
1500 | } |
|
|
1501 | |
|
|
1502 | /* try to exit the same way perl's main function would do */ |
|
|
1503 | /* we do not bother resetting the environment or other things *7 |
|
|
1504 | /* that are not, uhm, essential */ |
|
|
1505 | /* this obviously also doesn't work when perl is embedded */ |
|
|
1506 | static void ecb_noinline ecb_cold |
|
|
1507 | perlish_exit (pTHX) |
|
|
1508 | { |
|
|
1509 | int exitstatus = perl_destruct (PL_curinterp); |
|
|
1510 | perl_free (PL_curinterp); |
|
|
1511 | exit (exitstatus); |
1229 | } |
1512 | } |
1230 | |
1513 | |
1231 | /* |
1514 | /* |
1232 | * this is a _very_ stripped down perl interpreter ;) |
1515 | * this is a _very_ stripped down perl interpreter ;) |
1233 | */ |
1516 | */ |
… | |
… | |
1255 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1538 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1256 | PL_restartop = PL_op; |
1539 | PL_restartop = PL_op; |
1257 | perl_run (PL_curinterp); |
1540 | perl_run (PL_curinterp); |
1258 | /* |
1541 | /* |
1259 | * Unfortunately, there is no way to get at the return values of the |
1542 | * Unfortunately, there is no way to get at the return values of the |
1260 | * coro body here, as perl_run destroys these |
1543 | * coro body here, as perl_run destroys these. Likewise, we cannot catch |
|
|
1544 | * runtime errors here, as this is just a random interpreter, not a thread. |
1261 | */ |
1545 | */ |
|
|
1546 | |
|
|
1547 | /* |
|
|
1548 | * pp_entersub in 5.24 no longer ENTERs, but perl_destruct |
|
|
1549 | * requires PL_scopestack_ix, so do it here if required. |
|
|
1550 | */ |
|
|
1551 | if (!PL_scopestack_ix) |
|
|
1552 | ENTER; |
1262 | |
1553 | |
1263 | /* |
1554 | /* |
1264 | * If perl-run returns we assume exit() was being called or the coro |
1555 | * If perl-run returns we assume exit() was being called or the coro |
1265 | * fell off the end, which seems to be the only valid (non-bug) |
1556 | * fell off the end, which seems to be the only valid (non-bug) |
1266 | * reason for perl_run to return. We try to exit by jumping to the |
1557 | * reason for perl_run to return. We try to mimic whatever perl is normally |
1267 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
1558 | * doing in that case. YMMV. |
1268 | * coroutine as Coro has no such concept. |
|
|
1269 | * This actually isn't valid with the pthread backend, but OSes requiring |
|
|
1270 | * that backend are too broken to do it in a standards-compliant way. |
|
|
1271 | */ |
1559 | */ |
1272 | PL_top_env = main_top_env; |
1560 | perlish_exit (aTHX); |
1273 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
|
|
1274 | } |
1561 | } |
1275 | } |
1562 | } |
1276 | |
1563 | |
1277 | static coro_cctx * |
1564 | static coro_cctx * |
1278 | cctx_new () |
1565 | cctx_new (void) |
1279 | { |
1566 | { |
1280 | coro_cctx *cctx; |
1567 | coro_cctx *cctx; |
1281 | |
1568 | |
1282 | ++cctx_count; |
1569 | ++cctx_count; |
1283 | New (0, cctx, 1, coro_cctx); |
1570 | New (0, cctx, 1, coro_cctx); |
… | |
… | |
1289 | return cctx; |
1576 | return cctx; |
1290 | } |
1577 | } |
1291 | |
1578 | |
1292 | /* create a new cctx only suitable as source */ |
1579 | /* create a new cctx only suitable as source */ |
1293 | static coro_cctx * |
1580 | static coro_cctx * |
1294 | cctx_new_empty () |
1581 | cctx_new_empty (void) |
1295 | { |
1582 | { |
1296 | coro_cctx *cctx = cctx_new (); |
1583 | coro_cctx *cctx = cctx_new (); |
1297 | |
1584 | |
1298 | cctx->sptr = 0; |
1585 | cctx->stack.sptr = 0; |
1299 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
1586 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
1300 | |
1587 | |
1301 | return cctx; |
1588 | return cctx; |
1302 | } |
1589 | } |
1303 | |
1590 | |
1304 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1591 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1305 | static coro_cctx * |
1592 | static coro_cctx * |
1306 | cctx_new_run () |
1593 | cctx_new_run (void) |
1307 | { |
1594 | { |
1308 | coro_cctx *cctx = cctx_new (); |
1595 | coro_cctx *cctx = cctx_new (); |
1309 | void *stack_start; |
|
|
1310 | size_t stack_size; |
|
|
1311 | |
1596 | |
1312 | #if HAVE_MMAP |
1597 | if (!coro_stack_alloc (&cctx->stack, cctx_stacksize)) |
1313 | cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
|
|
1314 | /* mmap supposedly does allocate-on-write for us */ |
|
|
1315 | cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
|
|
1316 | |
|
|
1317 | if (cctx->sptr != (void *)-1) |
|
|
1318 | { |
|
|
1319 | #if CORO_STACKGUARD |
|
|
1320 | mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); |
|
|
1321 | #endif |
|
|
1322 | stack_start = (char *)cctx->sptr + CORO_STACKGUARD * PAGESIZE; |
|
|
1323 | stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE; |
|
|
1324 | cctx->flags |= CC_MAPPED; |
|
|
1325 | } |
1598 | { |
1326 | else |
|
|
1327 | #endif |
|
|
1328 | { |
|
|
1329 | cctx->ssize = cctx_stacksize * (long)sizeof (long); |
|
|
1330 | New (0, cctx->sptr, cctx_stacksize, long); |
|
|
1331 | |
|
|
1332 | if (!cctx->sptr) |
|
|
1333 | { |
|
|
1334 | perror ("FATAL: unable to allocate stack for coroutine, exiting."); |
1599 | perror ("FATAL: unable to allocate stack for coroutine, exiting."); |
1335 | _exit (EXIT_FAILURE); |
1600 | _exit (EXIT_FAILURE); |
1336 | } |
|
|
1337 | |
|
|
1338 | stack_start = cctx->sptr; |
|
|
1339 | stack_size = cctx->ssize; |
|
|
1340 | } |
1601 | } |
1341 | |
1602 | |
1342 | #if CORO_USE_VALGRIND |
|
|
1343 | cctx->valgrind_id = VALGRIND_STACK_REGISTER ((char *)stack_start, (char *)stack_start + stack_size); |
|
|
1344 | #endif |
|
|
1345 | |
|
|
1346 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size); |
1603 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, cctx->stack.sptr, cctx->stack.ssze); |
1347 | |
1604 | |
1348 | return cctx; |
1605 | return cctx; |
1349 | } |
1606 | } |
1350 | |
1607 | |
1351 | static void |
1608 | static void |
1352 | cctx_destroy (coro_cctx *cctx) |
1609 | cctx_destroy (coro_cctx *cctx) |
1353 | { |
1610 | { |
1354 | if (!cctx) |
1611 | if (!cctx) |
1355 | return; |
1612 | return; |
1356 | |
1613 | |
1357 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));//D temporary? |
1614 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current)); |
1358 | |
1615 | |
1359 | --cctx_count; |
1616 | --cctx_count; |
1360 | coro_destroy (&cctx->cctx); |
1617 | coro_destroy (&cctx->cctx); |
1361 | |
1618 | |
1362 | /* coro_transfer creates new, empty cctx's */ |
1619 | coro_stack_free (&cctx->stack); |
1363 | if (cctx->sptr) |
|
|
1364 | { |
|
|
1365 | #if CORO_USE_VALGRIND |
|
|
1366 | VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); |
|
|
1367 | #endif |
|
|
1368 | |
|
|
1369 | #if HAVE_MMAP |
|
|
1370 | if (cctx->flags & CC_MAPPED) |
|
|
1371 | munmap (cctx->sptr, cctx->ssize); |
|
|
1372 | else |
|
|
1373 | #endif |
|
|
1374 | Safefree (cctx->sptr); |
|
|
1375 | } |
|
|
1376 | |
1620 | |
1377 | Safefree (cctx); |
1621 | Safefree (cctx); |
1378 | } |
1622 | } |
1379 | |
1623 | |
1380 | /* wether this cctx should be destructed */ |
1624 | /* wether this cctx should be destructed */ |
1381 | #define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) |
1625 | #define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) |
1382 | |
1626 | |
1383 | static coro_cctx * |
1627 | static coro_cctx * |
1384 | cctx_get (pTHX) |
1628 | cctx_get (pTHX) |
1385 | { |
1629 | { |
1386 | while (expect_true (cctx_first)) |
1630 | while (ecb_expect_true (cctx_first)) |
1387 | { |
1631 | { |
1388 | coro_cctx *cctx = cctx_first; |
1632 | coro_cctx *cctx = cctx_first; |
1389 | cctx_first = cctx->next; |
1633 | cctx_first = cctx->next; |
1390 | --cctx_idle; |
1634 | --cctx_idle; |
1391 | |
1635 | |
1392 | if (expect_true (!CCTX_EXPIRED (cctx))) |
1636 | if (ecb_expect_true (!CCTX_EXPIRED (cctx))) |
1393 | return cctx; |
1637 | return cctx; |
1394 | |
1638 | |
1395 | cctx_destroy (cctx); |
1639 | cctx_destroy (cctx); |
1396 | } |
1640 | } |
1397 | |
1641 | |
… | |
… | |
1399 | } |
1643 | } |
1400 | |
1644 | |
1401 | static void |
1645 | static void |
1402 | cctx_put (coro_cctx *cctx) |
1646 | cctx_put (coro_cctx *cctx) |
1403 | { |
1647 | { |
1404 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr)); |
1648 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->stack.sptr)); |
1405 | |
1649 | |
1406 | /* free another cctx if overlimit */ |
1650 | /* free another cctx if overlimit */ |
1407 | if (expect_false (cctx_idle >= cctx_max_idle)) |
1651 | if (ecb_expect_false (cctx_idle >= cctx_max_idle)) |
1408 | { |
1652 | { |
1409 | coro_cctx *first = cctx_first; |
1653 | coro_cctx *first = cctx_first; |
1410 | cctx_first = first->next; |
1654 | cctx_first = first->next; |
1411 | --cctx_idle; |
1655 | --cctx_idle; |
1412 | |
1656 | |
… | |
… | |
1423 | static void |
1667 | static void |
1424 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1668 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1425 | { |
1669 | { |
1426 | /* TODO: throwing up here is considered harmful */ |
1670 | /* TODO: throwing up here is considered harmful */ |
1427 | |
1671 | |
1428 | if (expect_true (prev != next)) |
1672 | if (ecb_expect_true (prev != next)) |
1429 | { |
1673 | { |
1430 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1674 | if (ecb_expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1431 | croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); |
1675 | croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); |
1432 | |
1676 | |
1433 | if (expect_false (next->flags & (CF_RUNNING | CF_DESTROYED | CF_SUSPENDED))) |
1677 | if (ecb_expect_false (next->flags & (CF_RUNNING | CF_ZOMBIE | CF_SUSPENDED))) |
1434 | croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); |
1678 | croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); |
1435 | |
1679 | |
1436 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1680 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1437 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1681 | if (ecb_expect_false (PL_lex_state != LEX_NOTPARSING)) |
1438 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1682 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1439 | #endif |
1683 | #endif |
1440 | } |
1684 | } |
1441 | } |
1685 | } |
1442 | |
1686 | |
1443 | /* always use the TRANSFER macro */ |
1687 | /* always use the TRANSFER macro */ |
1444 | static void NOINLINE /* noinline so we have a fixed stackframe */ |
1688 | static void ecb_noinline /* noinline so we have a fixed stackframe */ |
1445 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1689 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1446 | { |
1690 | { |
1447 | dSTACKLEVEL; |
1691 | dSTACKLEVEL; |
1448 | |
1692 | |
1449 | /* sometimes transfer is only called to set idle_sp */ |
1693 | /* sometimes transfer is only called to set idle_sp */ |
1450 | if (expect_false (!prev)) |
1694 | if (ecb_expect_false (!prev)) |
1451 | { |
1695 | { |
1452 | cctx_current->idle_sp = STACKLEVEL; |
1696 | cctx_current->idle_sp = STACKLEVEL; |
1453 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1697 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1454 | } |
1698 | } |
1455 | else if (expect_true (prev != next)) |
1699 | else if (ecb_expect_true (prev != next)) |
1456 | { |
1700 | { |
1457 | coro_cctx *cctx_prev; |
1701 | coro_cctx *cctx_prev; |
1458 | |
1702 | |
1459 | if (expect_false (prev->flags & CF_NEW)) |
1703 | if (ecb_expect_false (prev->flags & CF_NEW)) |
1460 | { |
1704 | { |
1461 | /* create a new empty/source context */ |
1705 | /* create a new empty/source context */ |
1462 | prev->flags &= ~CF_NEW; |
1706 | prev->flags &= ~CF_NEW; |
1463 | prev->flags |= CF_RUNNING; |
1707 | prev->flags |= CF_RUNNING; |
1464 | } |
1708 | } |
… | |
… | |
1467 | next->flags |= CF_RUNNING; |
1711 | next->flags |= CF_RUNNING; |
1468 | |
1712 | |
1469 | /* first get rid of the old state */ |
1713 | /* first get rid of the old state */ |
1470 | save_perl (aTHX_ prev); |
1714 | save_perl (aTHX_ prev); |
1471 | |
1715 | |
1472 | if (expect_false (next->flags & CF_NEW)) |
1716 | if (ecb_expect_false (next->flags & CF_NEW)) |
1473 | { |
1717 | { |
1474 | /* need to start coroutine */ |
1718 | /* need to start coroutine */ |
1475 | next->flags &= ~CF_NEW; |
1719 | next->flags &= ~CF_NEW; |
1476 | /* setup coroutine call */ |
1720 | /* setup coroutine call */ |
1477 | coro_setup (aTHX_ next); |
1721 | init_perl (aTHX_ next); |
1478 | } |
1722 | } |
1479 | else |
1723 | else |
1480 | load_perl (aTHX_ next); |
1724 | load_perl (aTHX_ next); |
1481 | |
1725 | |
1482 | /* possibly untie and reuse the cctx */ |
1726 | /* possibly untie and reuse the cctx */ |
1483 | if (expect_true ( |
1727 | if (ecb_expect_true ( |
1484 | cctx_current->idle_sp == STACKLEVEL |
1728 | cctx_current->idle_sp == STACKLEVEL |
1485 | && !(cctx_current->flags & CC_TRACE) |
1729 | && !(cctx_current->flags & CC_TRACE) |
1486 | && !force_cctx |
1730 | && !force_cctx |
1487 | )) |
1731 | )) |
1488 | { |
1732 | { |
1489 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1733 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1490 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1734 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1491 | |
1735 | |
1492 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1736 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1493 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1737 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1494 | if (expect_false (CCTX_EXPIRED (cctx_current))) |
1738 | if (ecb_expect_false (CCTX_EXPIRED (cctx_current))) |
1495 | if (expect_true (!next->cctx)) |
1739 | if (ecb_expect_true (!next->cctx)) |
1496 | next->cctx = cctx_get (aTHX); |
1740 | next->cctx = cctx_get (aTHX); |
1497 | |
1741 | |
1498 | cctx_put (cctx_current); |
1742 | cctx_put (cctx_current); |
1499 | } |
1743 | } |
1500 | else |
1744 | else |
1501 | prev->cctx = cctx_current; |
1745 | prev->cctx = cctx_current; |
1502 | |
1746 | |
1503 | ++next->usecount; |
1747 | ++next->usecount; |
1504 | |
1748 | |
1505 | cctx_prev = cctx_current; |
1749 | cctx_prev = cctx_current; |
1506 | cctx_current = expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1750 | cctx_current = ecb_expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1507 | |
1751 | |
1508 | next->cctx = 0; |
1752 | next->cctx = 0; |
1509 | |
1753 | |
1510 | if (expect_false (cctx_prev != cctx_current)) |
1754 | if (ecb_expect_false (cctx_prev != cctx_current)) |
1511 | { |
1755 | { |
1512 | cctx_prev->top_env = PL_top_env; |
1756 | cctx_prev->top_env = PL_top_env; |
1513 | PL_top_env = cctx_current->top_env; |
1757 | PL_top_env = cctx_current->top_env; |
1514 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1758 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1515 | } |
1759 | } |
… | |
… | |
1521 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1765 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1522 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1766 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1523 | |
1767 | |
1524 | /** high level stuff ********************************************************/ |
1768 | /** high level stuff ********************************************************/ |
1525 | |
1769 | |
|
|
1770 | /* this function is actually Coro, not Coro::State, but we call it from here */ |
|
|
1771 | /* because it is convenient - but it hasn't been declared yet for that reason */ |
1526 | static int |
1772 | static void |
|
|
1773 | coro_call_on_destroy (pTHX_ struct coro *coro); |
|
|
1774 | |
|
|
1775 | static void |
1527 | coro_state_destroy (pTHX_ struct coro *coro) |
1776 | coro_state_destroy (pTHX_ struct coro *coro) |
1528 | { |
1777 | { |
1529 | if (coro->flags & CF_DESTROYED) |
1778 | if (coro->flags & CF_ZOMBIE) |
1530 | return 0; |
1779 | return; |
1531 | |
1780 | |
1532 | if (coro->on_destroy && !PL_dirty) |
|
|
1533 | coro->on_destroy (aTHX_ coro); |
1781 | slf_destroy (aTHX_ coro); |
1534 | |
1782 | |
1535 | coro->flags |= CF_DESTROYED; |
1783 | coro->flags |= CF_ZOMBIE; |
1536 | |
1784 | |
1537 | if (coro->flags & CF_READY) |
1785 | if (coro->flags & CF_READY) |
1538 | { |
1786 | { |
1539 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1787 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1540 | /* alternative: look through all ready queues and remove the coro */ |
1788 | /* alternative: look through all ready queues and remove the coro */ |
1541 | --coro_nready; |
1789 | --coro_nready; |
1542 | } |
1790 | } |
1543 | else |
1791 | else |
1544 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
1792 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
|
|
1793 | |
|
|
1794 | if (coro->next) coro->next->prev = coro->prev; |
|
|
1795 | if (coro->prev) coro->prev->next = coro->next; |
|
|
1796 | if (coro == coro_first) coro_first = coro->next; |
1545 | |
1797 | |
1546 | if (coro->mainstack |
1798 | if (coro->mainstack |
1547 | && coro->mainstack != main_mainstack |
1799 | && coro->mainstack != main_mainstack |
1548 | && coro->slot |
1800 | && coro->slot |
1549 | && !PL_dirty) |
1801 | && !PL_dirty) |
1550 | coro_destruct_perl (aTHX_ coro); |
1802 | destroy_perl (aTHX_ coro); |
1551 | |
1803 | |
1552 | cctx_destroy (coro->cctx); |
1804 | cctx_destroy (coro->cctx); |
1553 | SvREFCNT_dec (coro->startcv); |
1805 | SvREFCNT_dec (coro->startcv); |
1554 | SvREFCNT_dec (coro->args); |
1806 | SvREFCNT_dec (coro->args); |
|
|
1807 | SvREFCNT_dec (coro->swap_sv); |
1555 | SvREFCNT_dec (CORO_THROW); |
1808 | SvREFCNT_dec (CORO_THROW); |
1556 | |
1809 | |
1557 | if (coro->next) coro->next->prev = coro->prev; |
1810 | coro_call_on_destroy (aTHX_ coro); |
1558 | if (coro->prev) coro->prev->next = coro->next; |
|
|
1559 | if (coro == coro_first) coro_first = coro->next; |
|
|
1560 | |
1811 | |
1561 | return 1; |
1812 | /* more destruction mayhem in coro_state_free */ |
1562 | } |
1813 | } |
1563 | |
1814 | |
1564 | static int |
1815 | static int |
1565 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1816 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1566 | { |
1817 | { |
1567 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1818 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1568 | mg->mg_ptr = 0; |
1819 | mg->mg_ptr = 0; |
1569 | |
1820 | |
1570 | coro->hv = 0; |
|
|
1571 | |
|
|
1572 | if (--coro->refcnt < 0) |
|
|
1573 | { |
|
|
1574 | coro_state_destroy (aTHX_ coro); |
1821 | coro_state_destroy (aTHX_ coro); |
|
|
1822 | SvREFCNT_dec (coro->on_destroy); |
|
|
1823 | SvREFCNT_dec (coro->status); |
|
|
1824 | |
1575 | Safefree (coro); |
1825 | Safefree (coro); |
1576 | } |
|
|
1577 | |
1826 | |
1578 | return 0; |
1827 | return 0; |
1579 | } |
1828 | } |
1580 | |
1829 | |
1581 | static int |
1830 | static int ecb_cold |
1582 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1831 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1583 | { |
1832 | { |
1584 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1833 | /* called when perl clones the current process the slow way (windows process emulation) */ |
1585 | |
1834 | /* WE SIMply nuke the pointers in the copy, causing perl to croak */ |
1586 | ++coro->refcnt; |
1835 | mg->mg_ptr = 0; |
|
|
1836 | mg->mg_virtual = 0; |
1587 | |
1837 | |
1588 | return 0; |
1838 | return 0; |
1589 | } |
1839 | } |
1590 | |
1840 | |
1591 | static MGVTBL coro_state_vtbl = { |
1841 | static MGVTBL coro_state_vtbl = { |
… | |
… | |
1616 | TRANSFER (ta, 1); |
1866 | TRANSFER (ta, 1); |
1617 | } |
1867 | } |
1618 | |
1868 | |
1619 | /** Coro ********************************************************************/ |
1869 | /** Coro ********************************************************************/ |
1620 | |
1870 | |
1621 | INLINE void |
1871 | ecb_inline void |
1622 | coro_enq (pTHX_ struct coro *coro) |
1872 | coro_enq (pTHX_ struct coro *coro) |
1623 | { |
1873 | { |
1624 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1874 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1625 | |
1875 | |
1626 | SvREFCNT_inc_NN (coro->hv); |
1876 | SvREFCNT_inc_NN (coro->hv); |
… | |
… | |
1628 | coro->next_ready = 0; |
1878 | coro->next_ready = 0; |
1629 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
1879 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
1630 | ready [1] = coro; |
1880 | ready [1] = coro; |
1631 | } |
1881 | } |
1632 | |
1882 | |
1633 | INLINE struct coro * |
1883 | ecb_inline struct coro * |
1634 | coro_deq (pTHX) |
1884 | coro_deq (pTHX) |
1635 | { |
1885 | { |
1636 | int prio; |
1886 | int prio; |
1637 | |
1887 | |
1638 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
1888 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
… | |
… | |
1648 | } |
1898 | } |
1649 | |
1899 | |
1650 | return 0; |
1900 | return 0; |
1651 | } |
1901 | } |
1652 | |
1902 | |
|
|
1903 | static void |
|
|
1904 | invoke_sv_ready_hook_helper (void) |
|
|
1905 | { |
|
|
1906 | dTHX; |
|
|
1907 | dSP; |
|
|
1908 | |
|
|
1909 | ENTER; |
|
|
1910 | SAVETMPS; |
|
|
1911 | |
|
|
1912 | PUSHMARK (SP); |
|
|
1913 | PUTBACK; |
|
|
1914 | call_sv (coro_readyhook, G_VOID | G_DISCARD); |
|
|
1915 | |
|
|
1916 | FREETMPS; |
|
|
1917 | LEAVE; |
|
|
1918 | } |
|
|
1919 | |
1653 | static int |
1920 | static int |
1654 | api_ready (pTHX_ SV *coro_sv) |
1921 | api_ready (pTHX_ SV *coro_sv) |
1655 | { |
1922 | { |
1656 | struct coro *coro; |
|
|
1657 | SV *sv_hook; |
|
|
1658 | void (*xs_hook)(void); |
|
|
1659 | |
|
|
1660 | coro = SvSTATE (coro_sv); |
1923 | struct coro *coro = SvSTATE (coro_sv); |
1661 | |
1924 | |
1662 | if (coro->flags & CF_READY) |
1925 | if (coro->flags & CF_READY) |
1663 | return 0; |
1926 | return 0; |
1664 | |
1927 | |
1665 | coro->flags |= CF_READY; |
1928 | coro->flags |= CF_READY; |
1666 | |
1929 | |
1667 | sv_hook = coro_nready ? 0 : coro_readyhook; |
|
|
1668 | xs_hook = coro_nready ? 0 : coroapi.readyhook; |
|
|
1669 | |
|
|
1670 | coro_enq (aTHX_ coro); |
1930 | coro_enq (aTHX_ coro); |
1671 | ++coro_nready; |
|
|
1672 | |
1931 | |
1673 | if (sv_hook) |
1932 | if (!coro_nready++) |
1674 | { |
1933 | if (coroapi.readyhook) |
1675 | dSP; |
1934 | coroapi.readyhook (); |
1676 | |
|
|
1677 | ENTER; |
|
|
1678 | SAVETMPS; |
|
|
1679 | |
|
|
1680 | PUSHMARK (SP); |
|
|
1681 | PUTBACK; |
|
|
1682 | call_sv (sv_hook, G_VOID | G_DISCARD); |
|
|
1683 | |
|
|
1684 | FREETMPS; |
|
|
1685 | LEAVE; |
|
|
1686 | } |
|
|
1687 | |
|
|
1688 | if (xs_hook) |
|
|
1689 | xs_hook (); |
|
|
1690 | |
1935 | |
1691 | return 1; |
1936 | return 1; |
1692 | } |
1937 | } |
1693 | |
1938 | |
1694 | static int |
1939 | static int |
… | |
… | |
1696 | { |
1941 | { |
1697 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1942 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1698 | } |
1943 | } |
1699 | |
1944 | |
1700 | /* expects to own a reference to next->hv */ |
1945 | /* expects to own a reference to next->hv */ |
1701 | INLINE void |
1946 | ecb_inline void |
1702 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1947 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1703 | { |
1948 | { |
1704 | SV *prev_sv = SvRV (coro_current); |
1949 | SV *prev_sv = SvRV (coro_current); |
1705 | |
1950 | |
1706 | ta->prev = SvSTATE_hv (prev_sv); |
1951 | ta->prev = SvSTATE_hv (prev_sv); |
… | |
… | |
1719 | { |
1964 | { |
1720 | for (;;) |
1965 | for (;;) |
1721 | { |
1966 | { |
1722 | struct coro *next = coro_deq (aTHX); |
1967 | struct coro *next = coro_deq (aTHX); |
1723 | |
1968 | |
1724 | if (expect_true (next)) |
1969 | if (ecb_expect_true (next)) |
1725 | { |
1970 | { |
1726 | /* cannot transfer to destroyed coros, skip and look for next */ |
1971 | /* cannot transfer to destroyed coros, skip and look for next */ |
1727 | if (expect_false (next->flags & (CF_DESTROYED | CF_SUSPENDED))) |
1972 | if (ecb_expect_false (next->flags & (CF_ZOMBIE | CF_SUSPENDED))) |
1728 | SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ |
1973 | SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ |
1729 | else |
1974 | else |
1730 | { |
1975 | { |
1731 | next->flags &= ~CF_READY; |
1976 | next->flags &= ~CF_READY; |
1732 | --coro_nready; |
1977 | --coro_nready; |
… | |
… | |
1739 | { |
1984 | { |
1740 | /* nothing to schedule: call the idle handler */ |
1985 | /* nothing to schedule: call the idle handler */ |
1741 | if (SvROK (sv_idle) |
1986 | if (SvROK (sv_idle) |
1742 | && SvOBJECT (SvRV (sv_idle))) |
1987 | && SvOBJECT (SvRV (sv_idle))) |
1743 | { |
1988 | { |
|
|
1989 | if (SvRV (sv_idle) == SvRV (coro_current)) |
|
|
1990 | { |
|
|
1991 | require_pv ("Carp"); |
|
|
1992 | |
|
|
1993 | { |
|
|
1994 | dSP; |
|
|
1995 | |
|
|
1996 | ENTER; |
|
|
1997 | SAVETMPS; |
|
|
1998 | |
|
|
1999 | PUSHMARK (SP); |
|
|
2000 | XPUSHs (sv_2mortal (newSVpv ("FATAL: $Coro::idle blocked itself - did you try to block inside an event loop callback? Caught", 0))); |
|
|
2001 | PUTBACK; |
|
|
2002 | call_pv ("Carp::confess", G_VOID | G_DISCARD); |
|
|
2003 | |
|
|
2004 | FREETMPS; |
|
|
2005 | LEAVE; |
|
|
2006 | } |
|
|
2007 | } |
|
|
2008 | |
1744 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
2009 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
1745 | api_ready (aTHX_ SvRV (sv_idle)); |
2010 | api_ready (aTHX_ SvRV (sv_idle)); |
1746 | --coro_nready; |
2011 | --coro_nready; |
1747 | } |
2012 | } |
1748 | else |
2013 | else |
1749 | { |
2014 | { |
|
|
2015 | /* TODO: deprecated, remove, cannot work reliably *//*D*/ |
1750 | dSP; |
2016 | dSP; |
1751 | |
2017 | |
1752 | ENTER; |
2018 | ENTER; |
1753 | SAVETMPS; |
2019 | SAVETMPS; |
1754 | |
2020 | |
… | |
… | |
1761 | } |
2027 | } |
1762 | } |
2028 | } |
1763 | } |
2029 | } |
1764 | } |
2030 | } |
1765 | |
2031 | |
1766 | INLINE void |
2032 | ecb_inline void |
1767 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
2033 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1768 | { |
2034 | { |
1769 | api_ready (aTHX_ coro_current); |
2035 | api_ready (aTHX_ coro_current); |
1770 | prepare_schedule (aTHX_ ta); |
2036 | prepare_schedule (aTHX_ ta); |
1771 | } |
2037 | } |
1772 | |
2038 | |
1773 | INLINE void |
2039 | ecb_inline void |
1774 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
2040 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
1775 | { |
2041 | { |
1776 | SV *prev = SvRV (coro_current); |
2042 | SV *prev = SvRV (coro_current); |
1777 | |
2043 | |
1778 | if (coro_nready) |
2044 | if (coro_nready) |
… | |
… | |
1808 | { |
2074 | { |
1809 | struct coro_transfer_args ta; |
2075 | struct coro_transfer_args ta; |
1810 | |
2076 | |
1811 | prepare_cede (aTHX_ &ta); |
2077 | prepare_cede (aTHX_ &ta); |
1812 | |
2078 | |
1813 | if (expect_true (ta.prev != ta.next)) |
2079 | if (ecb_expect_true (ta.prev != ta.next)) |
1814 | { |
2080 | { |
1815 | TRANSFER (ta, 1); |
2081 | TRANSFER (ta, 1); |
1816 | return 1; |
2082 | return 1; |
1817 | } |
2083 | } |
1818 | else |
2084 | else |
… | |
… | |
1861 | coro->slot->runops = RUNOPS_DEFAULT; |
2127 | coro->slot->runops = RUNOPS_DEFAULT; |
1862 | } |
2128 | } |
1863 | } |
2129 | } |
1864 | |
2130 | |
1865 | static void |
2131 | static void |
|
|
2132 | coro_push_av (pTHX_ AV *av, I32 gimme_v) |
|
|
2133 | { |
|
|
2134 | if (AvFILLp (av) >= 0 && gimme_v != G_VOID) |
|
|
2135 | { |
|
|
2136 | dSP; |
|
|
2137 | |
|
|
2138 | if (gimme_v == G_SCALAR) |
|
|
2139 | XPUSHs (AvARRAY (av)[AvFILLp (av)]); |
|
|
2140 | else |
|
|
2141 | { |
|
|
2142 | int i; |
|
|
2143 | EXTEND (SP, AvFILLp (av) + 1); |
|
|
2144 | |
|
|
2145 | for (i = 0; i <= AvFILLp (av); ++i) |
|
|
2146 | PUSHs (AvARRAY (av)[i]); |
|
|
2147 | } |
|
|
2148 | |
|
|
2149 | PUTBACK; |
|
|
2150 | } |
|
|
2151 | } |
|
|
2152 | |
|
|
2153 | static void |
|
|
2154 | coro_push_on_destroy (pTHX_ struct coro *coro, SV *cb) |
|
|
2155 | { |
|
|
2156 | if (!coro->on_destroy) |
|
|
2157 | coro->on_destroy = newAV (); |
|
|
2158 | |
|
|
2159 | av_push (coro->on_destroy, cb); |
|
|
2160 | } |
|
|
2161 | |
|
|
2162 | static void |
|
|
2163 | slf_destroy_join (pTHX_ struct CoroSLF *frame) |
|
|
2164 | { |
|
|
2165 | SvREFCNT_dec ((SV *)((struct coro *)frame->data)->hv); |
|
|
2166 | } |
|
|
2167 | |
|
|
2168 | static int |
|
|
2169 | slf_check_join (pTHX_ struct CoroSLF *frame) |
|
|
2170 | { |
|
|
2171 | struct coro *coro = (struct coro *)frame->data; |
|
|
2172 | |
|
|
2173 | if (!coro->status) |
|
|
2174 | return 1; |
|
|
2175 | |
|
|
2176 | frame->destroy = 0; |
|
|
2177 | |
|
|
2178 | coro_push_av (aTHX_ coro->status, GIMME_V); |
|
|
2179 | |
|
|
2180 | SvREFCNT_dec ((SV *)coro->hv); |
|
|
2181 | |
|
|
2182 | return 0; |
|
|
2183 | } |
|
|
2184 | |
|
|
2185 | static void |
|
|
2186 | slf_init_join (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2187 | { |
|
|
2188 | struct coro *coro = SvSTATE (items > 0 ? arg [0] : &PL_sv_undef); |
|
|
2189 | |
|
|
2190 | if (items > 1) |
|
|
2191 | croak ("join called with too many arguments"); |
|
|
2192 | |
|
|
2193 | if (coro->status) |
|
|
2194 | frame->prepare = prepare_nop; |
|
|
2195 | else |
|
|
2196 | { |
|
|
2197 | coro_push_on_destroy (aTHX_ coro, SvREFCNT_inc_NN (SvRV (coro_current))); |
|
|
2198 | frame->prepare = prepare_schedule; |
|
|
2199 | } |
|
|
2200 | |
|
|
2201 | frame->check = slf_check_join; |
|
|
2202 | frame->destroy = slf_destroy_join; |
|
|
2203 | frame->data = (void *)coro; |
|
|
2204 | SvREFCNT_inc (coro->hv); |
|
|
2205 | } |
|
|
2206 | |
|
|
2207 | static void |
1866 | coro_call_on_destroy (pTHX_ struct coro *coro) |
2208 | coro_call_on_destroy (pTHX_ struct coro *coro) |
1867 | { |
2209 | { |
1868 | SV **on_destroyp = hv_fetch (coro->hv, "_on_destroy", sizeof ("_on_destroy") - 1, 0); |
2210 | AV *od = coro->on_destroy; |
1869 | SV **statusp = hv_fetch (coro->hv, "_status", sizeof ("_status") - 1, 0); |
|
|
1870 | |
2211 | |
1871 | if (on_destroyp) |
2212 | if (!od) |
1872 | { |
2213 | return; |
1873 | AV *on_destroy = (AV *)SvRV (*on_destroyp); |
|
|
1874 | |
2214 | |
|
|
2215 | coro->on_destroy = 0; |
|
|
2216 | sv_2mortal ((SV *)od); |
|
|
2217 | |
1875 | while (AvFILLp (on_destroy) >= 0) |
2218 | while (AvFILLp (od) >= 0) |
|
|
2219 | { |
|
|
2220 | SV *cb = sv_2mortal (av_pop (od)); |
|
|
2221 | |
|
|
2222 | /* coro hv's (and only hv's at the moment) are supported as well */ |
|
|
2223 | if (SvSTATEhv_p (aTHX_ cb)) |
|
|
2224 | api_ready (aTHX_ cb); |
|
|
2225 | else |
1876 | { |
2226 | { |
1877 | dSP; /* don't disturb outer sp */ |
2227 | dSP; /* don't disturb outer sp */ |
1878 | SV *cb = av_pop (on_destroy); |
|
|
1879 | |
|
|
1880 | PUSHMARK (SP); |
2228 | PUSHMARK (SP); |
1881 | |
2229 | |
1882 | if (statusp) |
2230 | if (coro->status) |
1883 | { |
2231 | { |
1884 | int i; |
2232 | PUTBACK; |
1885 | AV *status = (AV *)SvRV (*statusp); |
2233 | coro_push_av (aTHX_ coro->status, G_ARRAY); |
1886 | EXTEND (SP, AvFILLp (status) + 1); |
2234 | SPAGAIN; |
1887 | |
|
|
1888 | for (i = 0; i <= AvFILLp (status); ++i) |
|
|
1889 | PUSHs (AvARRAY (status)[i]); |
|
|
1890 | } |
2235 | } |
1891 | |
2236 | |
1892 | PUTBACK; |
2237 | PUTBACK; |
1893 | call_sv (sv_2mortal (cb), G_VOID | G_DISCARD); |
2238 | call_sv (cb, G_VOID | G_DISCARD); |
1894 | } |
2239 | } |
1895 | } |
2240 | } |
1896 | } |
2241 | } |
1897 | |
2242 | |
1898 | static void |
2243 | static void |
1899 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2244 | coro_set_status (pTHX_ struct coro *coro, SV **arg, int items) |
1900 | { |
2245 | { |
|
|
2246 | AV *av; |
|
|
2247 | |
|
|
2248 | if (coro->status) |
|
|
2249 | { |
|
|
2250 | av = coro->status; |
|
|
2251 | av_clear (av); |
|
|
2252 | } |
|
|
2253 | else |
|
|
2254 | av = coro->status = newAV (); |
|
|
2255 | |
|
|
2256 | /* items are actually not so common, so optimise for this case */ |
|
|
2257 | if (items) |
|
|
2258 | { |
1901 | int i; |
2259 | int i; |
1902 | HV *hv = (HV *)SvRV (coro_current); |
|
|
1903 | AV *av = newAV (); |
|
|
1904 | |
2260 | |
1905 | av_extend (av, items - 1); |
2261 | av_extend (av, items - 1); |
|
|
2262 | |
1906 | for (i = 0; i < items; ++i) |
2263 | for (i = 0; i < items; ++i) |
1907 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
2264 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
|
|
2265 | } |
|
|
2266 | } |
1908 | |
2267 | |
1909 | hv_store (hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0); |
2268 | static void |
1910 | |
2269 | slf_init_terminate_cancel_common (pTHX_ struct CoroSLF *frame, HV *coro_hv) |
|
|
2270 | { |
1911 | av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */ |
2271 | av_push (av_destroy, (SV *)newRV_inc ((SV *)coro_hv)); /* RVinc for perl */ |
1912 | api_ready (aTHX_ sv_manager); |
2272 | api_ready (aTHX_ sv_manager); |
1913 | |
2273 | |
1914 | frame->prepare = prepare_schedule; |
2274 | frame->prepare = prepare_schedule; |
1915 | frame->check = slf_check_repeat; |
2275 | frame->check = slf_check_repeat; |
1916 | |
2276 | |
1917 | /* as a minor optimisation, we could unwind all stacks here */ |
2277 | /* as a minor optimisation, we could unwind all stacks here */ |
1918 | /* but that puts extra pressure on pp_slf, and is not worth much */ |
2278 | /* but that puts extra pressure on pp_slf, and is not worth much */ |
1919 | /*coro_unwind_stacks (aTHX);*/ |
2279 | /*coro_unwind_stacks (aTHX);*/ |
|
|
2280 | } |
|
|
2281 | |
|
|
2282 | static void |
|
|
2283 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2284 | { |
|
|
2285 | HV *coro_hv = (HV *)SvRV (coro_current); |
|
|
2286 | |
|
|
2287 | coro_set_status (aTHX_ SvSTATE ((SV *)coro_hv), arg, items); |
|
|
2288 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
|
|
2289 | } |
|
|
2290 | |
|
|
2291 | static void |
|
|
2292 | slf_init_cancel (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2293 | { |
|
|
2294 | HV *coro_hv; |
|
|
2295 | struct coro *coro; |
|
|
2296 | |
|
|
2297 | if (items <= 0) |
|
|
2298 | croak ("Coro::cancel called without coro object,"); |
|
|
2299 | |
|
|
2300 | coro = SvSTATE (arg [0]); |
|
|
2301 | coro_hv = coro->hv; |
|
|
2302 | |
|
|
2303 | coro_set_status (aTHX_ coro, arg + 1, items - 1); |
|
|
2304 | |
|
|
2305 | if (ecb_expect_false (coro->flags & CF_NOCANCEL)) |
|
|
2306 | { |
|
|
2307 | /* coro currently busy cancelling something, so just notify it */ |
|
|
2308 | coro->slf_frame.data = (void *)coro; |
|
|
2309 | |
|
|
2310 | frame->prepare = prepare_nop; |
|
|
2311 | frame->check = slf_check_nop; |
|
|
2312 | } |
|
|
2313 | else if (coro_hv == (HV *)SvRV (coro_current)) |
|
|
2314 | { |
|
|
2315 | /* cancelling the current coro is allowed, and equals terminate */ |
|
|
2316 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
|
|
2317 | } |
|
|
2318 | else |
|
|
2319 | { |
|
|
2320 | struct coro *self = SvSTATE_current; |
|
|
2321 | |
|
|
2322 | if (!self) |
|
|
2323 | croak ("Coro::cancel called outside of thread content,"); |
|
|
2324 | |
|
|
2325 | /* otherwise we cancel directly, purely for speed reasons |
|
|
2326 | * unfortunately, this requires some magic trickery, as |
|
|
2327 | * somebody else could cancel us, so we have to fight the cancellation. |
|
|
2328 | * this is ugly, and hopefully fully worth the extra speed. |
|
|
2329 | * besides, I can't get the slow-but-safe version working... |
|
|
2330 | */ |
|
|
2331 | slf_frame.data = 0; |
|
|
2332 | self->flags |= CF_NOCANCEL; |
|
|
2333 | coro_state_destroy (aTHX_ coro); |
|
|
2334 | self->flags &= ~CF_NOCANCEL; |
|
|
2335 | |
|
|
2336 | if (slf_frame.data) |
|
|
2337 | { |
|
|
2338 | /* while we were busy we have been cancelled, so terminate */ |
|
|
2339 | slf_init_terminate_cancel_common (aTHX_ frame, self->hv); |
|
|
2340 | } |
|
|
2341 | else |
|
|
2342 | { |
|
|
2343 | frame->prepare = prepare_nop; |
|
|
2344 | frame->check = slf_check_nop; |
|
|
2345 | } |
|
|
2346 | } |
|
|
2347 | } |
|
|
2348 | |
|
|
2349 | static int |
|
|
2350 | slf_check_safe_cancel (pTHX_ struct CoroSLF *frame) |
|
|
2351 | { |
|
|
2352 | frame->prepare = 0; |
|
|
2353 | coro_unwind_stacks (aTHX); |
|
|
2354 | |
|
|
2355 | slf_init_terminate_cancel_common (aTHX_ frame, (HV *)SvRV (coro_current)); |
|
|
2356 | |
|
|
2357 | return 1; |
|
|
2358 | } |
|
|
2359 | |
|
|
2360 | static int |
|
|
2361 | safe_cancel (pTHX_ struct coro *coro, SV **arg, int items) |
|
|
2362 | { |
|
|
2363 | if (coro->cctx) |
|
|
2364 | croak ("coro inside C callback, unable to cancel at this time, caught"); |
|
|
2365 | |
|
|
2366 | if (coro->flags & CF_NEW) |
|
|
2367 | { |
|
|
2368 | coro_set_status (aTHX_ coro, arg, items); |
|
|
2369 | coro_state_destroy (aTHX_ coro); |
|
|
2370 | } |
|
|
2371 | else |
|
|
2372 | { |
|
|
2373 | if (!coro->slf_frame.prepare) |
|
|
2374 | croak ("coro outside an SLF function, unable to cancel at this time, caught"); |
|
|
2375 | |
|
|
2376 | slf_destroy (aTHX_ coro); |
|
|
2377 | |
|
|
2378 | coro_set_status (aTHX_ coro, arg, items); |
|
|
2379 | coro->slf_frame.prepare = prepare_nop; |
|
|
2380 | coro->slf_frame.check = slf_check_safe_cancel; |
|
|
2381 | |
|
|
2382 | api_ready (aTHX_ (SV *)coro->hv); |
|
|
2383 | } |
|
|
2384 | |
|
|
2385 | return 1; |
1920 | } |
2386 | } |
1921 | |
2387 | |
1922 | /*****************************************************************************/ |
2388 | /*****************************************************************************/ |
1923 | /* async pool handler */ |
2389 | /* async pool handler */ |
1924 | |
2390 | |
… | |
… | |
1955 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2421 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
1956 | { |
2422 | { |
1957 | HV *hv = (HV *)SvRV (coro_current); |
2423 | HV *hv = (HV *)SvRV (coro_current); |
1958 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
2424 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
1959 | |
2425 | |
1960 | if (expect_true (coro->saved_deffh)) |
2426 | if (ecb_expect_true (coro->saved_deffh)) |
1961 | { |
2427 | { |
1962 | /* subsequent iteration */ |
2428 | /* subsequent iteration */ |
1963 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
2429 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
1964 | coro->saved_deffh = 0; |
2430 | coro->saved_deffh = 0; |
1965 | |
2431 | |
1966 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
2432 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
1967 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
2433 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
1968 | { |
2434 | { |
1969 | coro->invoke_cb = SvREFCNT_inc_NN ((SV *)cv_coro_terminate); |
2435 | slf_init_terminate_cancel_common (aTHX_ frame, hv); |
1970 | coro->invoke_av = newAV (); |
2436 | return; |
1971 | |
|
|
1972 | frame->prepare = prepare_nop; |
|
|
1973 | } |
2437 | } |
1974 | else |
2438 | else |
1975 | { |
2439 | { |
1976 | av_clear (GvAV (PL_defgv)); |
2440 | av_clear (GvAV (PL_defgv)); |
1977 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
2441 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
1978 | |
2442 | |
|
|
2443 | if (ecb_expect_false (coro->swap_sv)) |
|
|
2444 | { |
|
|
2445 | swap_svs_leave (coro); |
|
|
2446 | SvREFCNT_dec_NN (coro->swap_sv); |
|
|
2447 | coro->swap_sv = 0; |
|
|
2448 | } |
|
|
2449 | |
1979 | coro->prio = 0; |
2450 | coro->prio = 0; |
1980 | |
2451 | |
1981 | if (coro->cctx && (coro->cctx->flags & CC_TRACE)) |
2452 | if (ecb_expect_false (coro->cctx) && ecb_expect_false (coro->cctx->flags & CC_TRACE)) |
1982 | api_trace (aTHX_ coro_current, 0); |
2453 | api_trace (aTHX_ coro_current, 0); |
1983 | |
2454 | |
1984 | frame->prepare = prepare_schedule; |
2455 | frame->prepare = prepare_schedule; |
1985 | av_push (av_async_pool, SvREFCNT_inc (hv)); |
2456 | av_push (av_async_pool, SvREFCNT_inc (hv)); |
1986 | } |
2457 | } |
… | |
… | |
2027 | |
2498 | |
2028 | static int |
2499 | static int |
2029 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
2500 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
2030 | { |
2501 | { |
2031 | SV *data = (SV *)frame->data; |
2502 | SV *data = (SV *)frame->data; |
2032 | |
2503 | |
2033 | if (CORO_THROW) |
2504 | if (CORO_THROW) |
2034 | return 0; |
2505 | return 0; |
2035 | |
2506 | |
2036 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2507 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2037 | return 1; |
2508 | return 1; |
… | |
… | |
2073 | cb = sv_2mortal (coro->rouse_cb); |
2544 | cb = sv_2mortal (coro->rouse_cb); |
2074 | coro->rouse_cb = 0; |
2545 | coro->rouse_cb = 0; |
2075 | } |
2546 | } |
2076 | |
2547 | |
2077 | if (!SvROK (cb) |
2548 | if (!SvROK (cb) |
2078 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2549 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2079 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2550 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2080 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2551 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2081 | |
2552 | |
2082 | { |
2553 | { |
2083 | CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ |
2554 | CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ |
… | |
… | |
2200 | static void |
2671 | static void |
2201 | slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2672 | slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2202 | { |
2673 | { |
2203 | frame->prepare = prepare_cede_notself; |
2674 | frame->prepare = prepare_cede_notself; |
2204 | frame->check = slf_check_nop; |
2675 | frame->check = slf_check_nop; |
|
|
2676 | } |
|
|
2677 | |
|
|
2678 | /* "undo"/cancel a running slf call - used when cancelling a coro, mainly */ |
|
|
2679 | static void |
|
|
2680 | slf_destroy (pTHX_ struct coro *coro) |
|
|
2681 | { |
|
|
2682 | struct CoroSLF frame = coro->slf_frame; |
|
|
2683 | |
|
|
2684 | /* |
|
|
2685 | * The on_destroy below most likely is from an SLF call. |
|
|
2686 | * Since by definition the SLF call will not finish when we destroy |
|
|
2687 | * the coro, we will have to force-finish it here, otherwise |
|
|
2688 | * cleanup functions cannot call SLF functions. |
|
|
2689 | */ |
|
|
2690 | coro->slf_frame.prepare = 0; |
|
|
2691 | |
|
|
2692 | /* this callback is reserved for slf functions needing to do cleanup */ |
|
|
2693 | if (frame.destroy && frame.prepare && !PL_dirty) |
|
|
2694 | frame.destroy (aTHX_ &frame); |
2205 | } |
2695 | } |
2206 | |
2696 | |
2207 | /* |
2697 | /* |
2208 | * these not obviously related functions are all rolled into one |
2698 | * these not obviously related functions are all rolled into one |
2209 | * function to increase chances that they all will call transfer with the same |
2699 | * function to increase chances that they all will call transfer with the same |
… | |
… | |
2216 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
2706 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
2217 | |
2707 | |
2218 | /* set up the slf frame, unless it has already been set-up */ |
2708 | /* set up the slf frame, unless it has already been set-up */ |
2219 | /* the latter happens when a new coro has been started */ |
2709 | /* the latter happens when a new coro has been started */ |
2220 | /* or when a new cctx was attached to an existing coroutine */ |
2710 | /* or when a new cctx was attached to an existing coroutine */ |
2221 | if (expect_true (!slf_frame.prepare)) |
2711 | if (ecb_expect_true (!slf_frame.prepare)) |
2222 | { |
2712 | { |
2223 | /* first iteration */ |
2713 | /* first iteration */ |
2224 | dSP; |
2714 | dSP; |
2225 | SV **arg = PL_stack_base + TOPMARK + 1; |
2715 | SV **arg = PL_stack_base + TOPMARK + 1; |
2226 | int items = SP - arg; /* args without function object */ |
2716 | int items = SP - arg; /* args without function object */ |
… | |
… | |
2267 | while (slf_frame.check (aTHX_ &slf_frame)); |
2757 | while (slf_frame.check (aTHX_ &slf_frame)); |
2268 | |
2758 | |
2269 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
2759 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
2270 | |
2760 | |
2271 | /* exception handling */ |
2761 | /* exception handling */ |
2272 | if (expect_false (CORO_THROW)) |
2762 | if (ecb_expect_false (CORO_THROW)) |
2273 | { |
2763 | { |
2274 | SV *exception = sv_2mortal (CORO_THROW); |
2764 | SV *exception = sv_2mortal (CORO_THROW); |
2275 | |
2765 | |
2276 | CORO_THROW = 0; |
2766 | CORO_THROW = 0; |
2277 | sv_setsv (ERRSV, exception); |
2767 | sv_setsv (ERRSV, exception); |
2278 | croak (0); |
2768 | croak (0); |
2279 | } |
2769 | } |
2280 | |
2770 | |
2281 | /* return value handling - mostly like entersub */ |
2771 | /* return value handling - mostly like entersub */ |
2282 | /* make sure we put something on the stack in scalar context */ |
2772 | /* make sure we put something on the stack in scalar context */ |
2283 | if (GIMME_V == G_SCALAR) |
2773 | if (GIMME_V == G_SCALAR |
|
|
2774 | && ecb_expect_false (PL_stack_sp != PL_stack_base + checkmark + 1)) |
2284 | { |
2775 | { |
2285 | dSP; |
2776 | dSP; |
2286 | SV **bot = PL_stack_base + checkmark; |
2777 | SV **bot = PL_stack_base + checkmark; |
2287 | |
2778 | |
2288 | if (sp == bot) /* too few, push undef */ |
2779 | if (sp == bot) /* too few, push undef */ |
2289 | bot [1] = &PL_sv_undef; |
2780 | bot [1] = &PL_sv_undef; |
2290 | else if (sp != bot + 1) /* too many, take last one */ |
2781 | else /* too many, take last one */ |
2291 | bot [1] = *sp; |
2782 | bot [1] = *sp; |
2292 | |
2783 | |
2293 | SP = bot + 1; |
2784 | SP = bot + 1; |
2294 | |
2785 | |
2295 | PUTBACK; |
2786 | PUTBACK; |
… | |
… | |
2328 | if (PL_op->op_flags & OPf_STACKED) |
2819 | if (PL_op->op_flags & OPf_STACKED) |
2329 | { |
2820 | { |
2330 | if (items > slf_arga) |
2821 | if (items > slf_arga) |
2331 | { |
2822 | { |
2332 | slf_arga = items; |
2823 | slf_arga = items; |
2333 | free (slf_argv); |
2824 | Safefree (slf_argv); |
2334 | slf_argv = malloc (slf_arga * sizeof (SV *)); |
2825 | New (0, slf_argv, slf_arga, SV *); |
2335 | } |
2826 | } |
2336 | |
2827 | |
2337 | slf_argc = items; |
2828 | slf_argc = items; |
2338 | |
2829 | |
2339 | for (i = 0; i < items; ++i) |
2830 | for (i = 0; i < items; ++i) |
… | |
… | |
2393 | { |
2884 | { |
2394 | SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_leave); |
2885 | SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_leave); |
2395 | on_enterleave_call (aTHX_ sv_2mortal (cb)); |
2886 | on_enterleave_call (aTHX_ sv_2mortal (cb)); |
2396 | } |
2887 | } |
2397 | |
2888 | |
|
|
2889 | static void |
|
|
2890 | enterleave_hook_xs (pTHX_ struct coro *coro, AV **avp, coro_enterleave_hook hook, void *arg) |
|
|
2891 | { |
|
|
2892 | if (!hook) |
|
|
2893 | return; |
|
|
2894 | |
|
|
2895 | if (!*avp) |
|
|
2896 | { |
|
|
2897 | *avp = newAV (); |
|
|
2898 | AvREAL_off (*avp); |
|
|
2899 | } |
|
|
2900 | |
|
|
2901 | av_push (*avp, (SV *)hook); |
|
|
2902 | av_push (*avp, (SV *)arg); |
|
|
2903 | } |
|
|
2904 | |
|
|
2905 | static void |
|
|
2906 | enterleave_unhook_xs (pTHX_ struct coro *coro, AV **avp, coro_enterleave_hook hook, int execute) |
|
|
2907 | { |
|
|
2908 | AV *av = *avp; |
|
|
2909 | int i; |
|
|
2910 | |
|
|
2911 | if (!av) |
|
|
2912 | return; |
|
|
2913 | |
|
|
2914 | for (i = AvFILLp (av) - 1; i >= 0; i -= 2) |
|
|
2915 | if (AvARRAY (av)[i] == (SV *)hook) |
|
|
2916 | { |
|
|
2917 | if (execute) |
|
|
2918 | hook (aTHX_ (void *)AvARRAY (av)[i + 1]); |
|
|
2919 | |
|
|
2920 | memmove (AvARRAY (av) + i, AvARRAY (av) + i + 2, AvFILLp (av) - i - 1); |
|
|
2921 | av_pop (av); |
|
|
2922 | av_pop (av); |
|
|
2923 | break; |
|
|
2924 | } |
|
|
2925 | |
|
|
2926 | if (AvFILLp (av) >= 0) |
|
|
2927 | { |
|
|
2928 | *avp = 0; |
|
|
2929 | SvREFCNT_dec_NN (av); |
|
|
2930 | } |
|
|
2931 | } |
|
|
2932 | |
|
|
2933 | static void |
|
|
2934 | api_enterleave_hook (pTHX_ SV *coro_sv, coro_enterleave_hook enter, void *enter_arg, coro_enterleave_hook leave, void *leave_arg) |
|
|
2935 | { |
|
|
2936 | struct coro *coro = SvSTATE (coro_sv); |
|
|
2937 | |
|
|
2938 | if (SvSTATE_current == coro) |
|
|
2939 | if (enter) |
|
|
2940 | enter (aTHX_ enter_arg); |
|
|
2941 | |
|
|
2942 | enterleave_hook_xs (aTHX_ coro, &coro->on_enter_xs, enter, enter_arg); |
|
|
2943 | enterleave_hook_xs (aTHX_ coro, &coro->on_leave_xs, leave, leave_arg); |
|
|
2944 | } |
|
|
2945 | |
|
|
2946 | static void |
|
|
2947 | api_enterleave_unhook (pTHX_ SV *coro_sv, coro_enterleave_hook enter, coro_enterleave_hook leave) |
|
|
2948 | { |
|
|
2949 | struct coro *coro = SvSTATE (coro_sv); |
|
|
2950 | |
|
|
2951 | enterleave_unhook_xs (aTHX_ coro, &coro->on_enter_xs, enter, 0); |
|
|
2952 | enterleave_unhook_xs (aTHX_ coro, &coro->on_leave_xs, leave, SvSTATE_current == coro); |
|
|
2953 | } |
|
|
2954 | |
|
|
2955 | static void |
|
|
2956 | savedestructor_unhook_enter (pTHX_ coro_enterleave_hook enter) |
|
|
2957 | { |
|
|
2958 | struct coro *coro = SvSTATE_current; |
|
|
2959 | |
|
|
2960 | enterleave_unhook_xs (aTHX_ coro, &coro->on_enter_xs, enter, 0); |
|
|
2961 | } |
|
|
2962 | |
|
|
2963 | static void |
|
|
2964 | savedestructor_unhook_leave (pTHX_ coro_enterleave_hook leave) |
|
|
2965 | { |
|
|
2966 | struct coro *coro = SvSTATE_current; |
|
|
2967 | |
|
|
2968 | enterleave_unhook_xs (aTHX_ coro, &coro->on_leave_xs, leave, 1); |
|
|
2969 | } |
|
|
2970 | |
|
|
2971 | static void |
|
|
2972 | api_enterleave_scope_hook (pTHX_ coro_enterleave_hook enter, void *enter_arg, coro_enterleave_hook leave, void *leave_arg) |
|
|
2973 | { |
|
|
2974 | api_enterleave_hook (aTHX_ coro_current, enter, enter_arg, leave, leave_arg); |
|
|
2975 | |
|
|
2976 | /* this ought to be much cheaper than malloc + a single destructor call */ |
|
|
2977 | if (enter) SAVEDESTRUCTOR_X (savedestructor_unhook_enter, enter); |
|
|
2978 | if (leave) SAVEDESTRUCTOR_X (savedestructor_unhook_leave, leave); |
|
|
2979 | } |
|
|
2980 | |
2398 | /*****************************************************************************/ |
2981 | /*****************************************************************************/ |
2399 | /* PerlIO::cede */ |
2982 | /* PerlIO::cede */ |
2400 | |
2983 | |
2401 | typedef struct |
2984 | typedef struct |
2402 | { |
2985 | { |
2403 | PerlIOBuf base; |
2986 | PerlIOBuf base; |
2404 | NV next, every; |
2987 | NV next, every; |
2405 | } PerlIOCede; |
2988 | } PerlIOCede; |
2406 | |
2989 | |
2407 | static IV |
2990 | static IV ecb_cold |
2408 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
2991 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
2409 | { |
2992 | { |
2410 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2993 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2411 | |
2994 | |
2412 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
2995 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
2413 | self->next = nvtime () + self->every; |
2996 | self->next = nvtime () + self->every; |
2414 | |
2997 | |
2415 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
2998 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
2416 | } |
2999 | } |
2417 | |
3000 | |
2418 | static SV * |
3001 | static SV * ecb_cold |
2419 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
3002 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
2420 | { |
3003 | { |
2421 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
3004 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2422 | |
3005 | |
2423 | return newSVnv (self->every); |
3006 | return newSVnv (self->every); |
… | |
… | |
2530 | XPUSHs (sv_2mortal (newRV_inc ((SV *)av))); |
3113 | XPUSHs (sv_2mortal (newRV_inc ((SV *)av))); |
2531 | PUTBACK; |
3114 | PUTBACK; |
2532 | call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR); |
3115 | call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR); |
2533 | } |
3116 | } |
2534 | |
3117 | |
2535 | SvREFCNT_dec (cb); |
3118 | SvREFCNT_dec_NN (cb); |
2536 | } |
3119 | } |
2537 | } |
3120 | } |
2538 | |
3121 | |
2539 | static void |
3122 | static void |
2540 | coro_semaphore_on_destroy (pTHX_ struct coro *coro) |
3123 | coro_semaphore_destroy (pTHX_ struct CoroSLF *frame) |
2541 | { |
3124 | { |
2542 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
3125 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
2543 | coro_semaphore_adjust (aTHX_ (AV *)coro->slf_frame.data, 0); |
3126 | coro_semaphore_adjust (aTHX_ (AV *)frame->data, 0); |
2544 | } |
3127 | } |
2545 | |
3128 | |
2546 | static int |
3129 | static int |
2547 | slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire) |
3130 | slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire) |
2548 | { |
3131 | { |
2549 | AV *av = (AV *)frame->data; |
3132 | AV *av = (AV *)frame->data; |
2550 | SV *count_sv = AvARRAY (av)[0]; |
3133 | SV *count_sv = AvARRAY (av)[0]; |
|
|
3134 | SV *coro_hv = SvRV (coro_current); |
|
|
3135 | |
|
|
3136 | frame->destroy = 0; |
2551 | |
3137 | |
2552 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
3138 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2553 | if (CORO_THROW) |
3139 | if (ecb_expect_false (CORO_THROW)) |
|
|
3140 | { |
|
|
3141 | /* we still might be responsible for the semaphore, so wake up others */ |
|
|
3142 | coro_semaphore_adjust (aTHX_ av, 0); |
|
|
3143 | |
2554 | return 0; |
3144 | return 0; |
|
|
3145 | } |
2555 | else if (SvIVX (count_sv) > 0) |
3146 | else if (SvIVX (count_sv) > 0) |
2556 | { |
3147 | { |
2557 | SvSTATE_current->on_destroy = 0; |
|
|
2558 | |
|
|
2559 | if (acquire) |
3148 | if (acquire) |
2560 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
3149 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2561 | else |
3150 | else |
2562 | coro_semaphore_adjust (aTHX_ av, 0); |
3151 | coro_semaphore_adjust (aTHX_ av, 0); |
2563 | |
3152 | |
… | |
… | |
2567 | { |
3156 | { |
2568 | int i; |
3157 | int i; |
2569 | /* if we were woken up but can't down, we look through the whole */ |
3158 | /* if we were woken up but can't down, we look through the whole */ |
2570 | /* waiters list and only add us if we aren't in there already */ |
3159 | /* waiters list and only add us if we aren't in there already */ |
2571 | /* this avoids some degenerate memory usage cases */ |
3160 | /* this avoids some degenerate memory usage cases */ |
2572 | |
3161 | for (i = AvFILLp (av); i > 0; --i) /* i > 0 is not an off-by-one bug */ |
2573 | for (i = 1; i <= AvFILLp (av); ++i) |
|
|
2574 | if (AvARRAY (av)[i] == SvRV (coro_current)) |
3162 | if (AvARRAY (av)[i] == coro_hv) |
2575 | return 1; |
3163 | return 1; |
2576 | |
3164 | |
2577 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
3165 | av_push (av, SvREFCNT_inc (coro_hv)); |
2578 | return 1; |
3166 | return 1; |
2579 | } |
3167 | } |
2580 | } |
3168 | } |
2581 | |
3169 | |
2582 | static int |
3170 | static int |
… | |
… | |
2605 | { |
3193 | { |
2606 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
3194 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2607 | |
3195 | |
2608 | frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); |
3196 | frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); |
2609 | frame->prepare = prepare_schedule; |
3197 | frame->prepare = prepare_schedule; |
2610 | |
|
|
2611 | /* to avoid race conditions when a woken-up coro gets terminated */ |
3198 | /* to avoid race conditions when a woken-up coro gets terminated */ |
2612 | /* we arrange for a temporary on_destroy that calls adjust (0) */ |
3199 | /* we arrange for a temporary on_destroy that calls adjust (0) */ |
2613 | SvSTATE_current->on_destroy = coro_semaphore_on_destroy; |
3200 | frame->destroy = coro_semaphore_destroy; |
2614 | } |
3201 | } |
2615 | } |
3202 | } |
2616 | |
3203 | |
2617 | static void |
3204 | static void |
2618 | slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
3205 | slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
… | |
… | |
2676 | { |
3263 | { |
2677 | api_ready (aTHX_ cb); |
3264 | api_ready (aTHX_ cb); |
2678 | sv_setiv (cb, 0); /* signal waiter */ |
3265 | sv_setiv (cb, 0); /* signal waiter */ |
2679 | } |
3266 | } |
2680 | |
3267 | |
2681 | SvREFCNT_dec (cb); |
3268 | SvREFCNT_dec_NN (cb); |
2682 | |
3269 | |
2683 | --count; |
3270 | --count; |
2684 | } |
3271 | } |
2685 | } |
3272 | } |
2686 | |
3273 | |
… | |
… | |
2700 | { |
3287 | { |
2701 | SV *cb_cv = s_get_cv_croak (arg [1]); |
3288 | SV *cb_cv = s_get_cv_croak (arg [1]); |
2702 | av_push (av, SvREFCNT_inc_NN (cb_cv)); |
3289 | av_push (av, SvREFCNT_inc_NN (cb_cv)); |
2703 | |
3290 | |
2704 | if (SvIVX (AvARRAY (av)[0])) |
3291 | if (SvIVX (AvARRAY (av)[0])) |
2705 | coro_signal_wake (aTHX_ av, 1); /* ust be the only waiter */ |
3292 | coro_signal_wake (aTHX_ av, 1); /* must be the only waiter */ |
2706 | |
3293 | |
2707 | frame->prepare = prepare_nop; |
3294 | frame->prepare = prepare_nop; |
2708 | frame->check = slf_check_nop; |
3295 | frame->check = slf_check_nop; |
2709 | } |
3296 | } |
2710 | else if (SvIVX (AvARRAY (av)[0])) |
3297 | else if (SvIVX (AvARRAY (av)[0])) |
… | |
… | |
2771 | } |
3358 | } |
2772 | |
3359 | |
2773 | av_push (state, data_sv); |
3360 | av_push (state, data_sv); |
2774 | |
3361 | |
2775 | api_ready (aTHX_ coro); |
3362 | api_ready (aTHX_ coro); |
2776 | SvREFCNT_dec (coro); |
3363 | SvREFCNT_dec_NN (coro); |
2777 | SvREFCNT_dec ((AV *)state); |
3364 | SvREFCNT_dec_NN ((AV *)state); |
2778 | } |
3365 | } |
2779 | |
3366 | |
2780 | static int |
3367 | static int |
2781 | slf_check_aio_req (pTHX_ struct CoroSLF *frame) |
3368 | slf_check_aio_req (pTHX_ struct CoroSLF *frame) |
2782 | { |
3369 | { |
… | |
… | |
2787 | /* it quickly returns */ |
3374 | /* it quickly returns */ |
2788 | if (CORO_THROW) |
3375 | if (CORO_THROW) |
2789 | return 0; |
3376 | return 0; |
2790 | |
3377 | |
2791 | /* one element that is an RV? repeat! */ |
3378 | /* one element that is an RV? repeat! */ |
2792 | if (AvFILLp (state) == 0 && SvROK (AvARRAY (state)[0])) |
3379 | if (AvFILLp (state) == 0 && SvTYPE (AvARRAY (state)[0]) != SVt_PV) |
2793 | return 1; |
3380 | return 1; |
2794 | |
3381 | |
2795 | /* restore status */ |
3382 | /* restore status */ |
2796 | { |
3383 | { |
2797 | SV *data_sv = av_pop (state); |
3384 | SV *data_sv = av_pop (state); |
… | |
… | |
2800 | errno = data->errorno; |
3387 | errno = data->errorno; |
2801 | PL_laststype = data->laststype; |
3388 | PL_laststype = data->laststype; |
2802 | PL_laststatval = data->laststatval; |
3389 | PL_laststatval = data->laststatval; |
2803 | PL_statcache = data->statcache; |
3390 | PL_statcache = data->statcache; |
2804 | |
3391 | |
2805 | SvREFCNT_dec (data_sv); |
3392 | SvREFCNT_dec_NN (data_sv); |
2806 | } |
3393 | } |
2807 | |
3394 | |
2808 | /* push result values */ |
3395 | /* push result values */ |
2809 | { |
3396 | { |
2810 | dSP; |
3397 | dSP; |
… | |
… | |
2836 | dSP; |
3423 | dSP; |
2837 | |
3424 | |
2838 | static SV *prio_cv; |
3425 | static SV *prio_cv; |
2839 | static SV *prio_sv; |
3426 | static SV *prio_sv; |
2840 | |
3427 | |
2841 | if (expect_false (!prio_cv)) |
3428 | if (ecb_expect_false (!prio_cv)) |
2842 | { |
3429 | { |
2843 | prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0); |
3430 | prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0); |
2844 | prio_sv = newSViv (0); |
3431 | prio_sv = newSViv (0); |
2845 | } |
3432 | } |
2846 | |
3433 | |
… | |
… | |
2872 | /* now call the AIO function - we assume our request is uncancelable */ |
3459 | /* now call the AIO function - we assume our request is uncancelable */ |
2873 | PUTBACK; |
3460 | PUTBACK; |
2874 | call_sv ((SV *)req, G_VOID | G_DISCARD); |
3461 | call_sv ((SV *)req, G_VOID | G_DISCARD); |
2875 | } |
3462 | } |
2876 | |
3463 | |
2877 | /* now that the requets is going, we loop toll we have a result */ |
3464 | /* now that the request is going, we loop till we have a result */ |
2878 | frame->data = (void *)state; |
3465 | frame->data = (void *)state; |
2879 | frame->prepare = prepare_schedule; |
3466 | frame->prepare = prepare_schedule; |
2880 | frame->check = slf_check_aio_req; |
3467 | frame->check = slf_check_aio_req; |
2881 | } |
3468 | } |
2882 | |
3469 | |
… | |
… | |
2894 | |
3481 | |
2895 | #if CORO_CLONE |
3482 | #if CORO_CLONE |
2896 | # include "clone.c" |
3483 | # include "clone.c" |
2897 | #endif |
3484 | #endif |
2898 | |
3485 | |
|
|
3486 | /*****************************************************************************/ |
|
|
3487 | |
|
|
3488 | static SV * |
|
|
3489 | coro_new (pTHX_ HV *stash, SV **argv, int argc, int is_coro) |
|
|
3490 | { |
|
|
3491 | SV *coro_sv; |
|
|
3492 | struct coro *coro; |
|
|
3493 | MAGIC *mg; |
|
|
3494 | HV *hv; |
|
|
3495 | SV *cb; |
|
|
3496 | int i; |
|
|
3497 | |
|
|
3498 | if (argc > 0) |
|
|
3499 | { |
|
|
3500 | cb = s_get_cv_croak (argv [0]); |
|
|
3501 | |
|
|
3502 | if (!is_coro) |
|
|
3503 | { |
|
|
3504 | if (CvISXSUB (cb)) |
|
|
3505 | croak ("Coro::State doesn't support XS functions as coroutine start, caught"); |
|
|
3506 | |
|
|
3507 | if (!CvROOT (cb)) |
|
|
3508 | croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught"); |
|
|
3509 | } |
|
|
3510 | } |
|
|
3511 | |
|
|
3512 | Newz (0, coro, 1, struct coro); |
|
|
3513 | coro->args = newAV (); |
|
|
3514 | coro->flags = CF_NEW; |
|
|
3515 | |
|
|
3516 | if (coro_first) coro_first->prev = coro; |
|
|
3517 | coro->next = coro_first; |
|
|
3518 | coro_first = coro; |
|
|
3519 | |
|
|
3520 | coro->hv = hv = newHV (); |
|
|
3521 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
|
|
3522 | mg->mg_flags |= MGf_DUP; |
|
|
3523 | coro_sv = sv_bless (newRV_noinc ((SV *)hv), stash); |
|
|
3524 | |
|
|
3525 | if (argc > 0) |
|
|
3526 | { |
|
|
3527 | av_extend (coro->args, argc + is_coro - 1); |
|
|
3528 | |
|
|
3529 | if (is_coro) |
|
|
3530 | { |
|
|
3531 | av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb)); |
|
|
3532 | cb = (SV *)cv_coro_run; |
|
|
3533 | } |
|
|
3534 | |
|
|
3535 | coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb); |
|
|
3536 | |
|
|
3537 | for (i = 1; i < argc; i++) |
|
|
3538 | av_push (coro->args, newSVsv (argv [i])); |
|
|
3539 | } |
|
|
3540 | |
|
|
3541 | return coro_sv; |
|
|
3542 | } |
|
|
3543 | |
|
|
3544 | #ifndef __cplusplus |
|
|
3545 | ecb_cold XS(boot_Coro__State); |
|
|
3546 | #endif |
|
|
3547 | |
|
|
3548 | #if CORO_JIT |
|
|
3549 | |
|
|
3550 | static void ecb_noinline ecb_cold |
|
|
3551 | pushav_4uv (pTHX_ UV a, UV b, UV c, UV d) |
|
|
3552 | { |
|
|
3553 | dSP; |
|
|
3554 | AV *av = newAV (); |
|
|
3555 | |
|
|
3556 | av_store (av, 3, newSVuv (d)); |
|
|
3557 | av_store (av, 2, newSVuv (c)); |
|
|
3558 | av_store (av, 1, newSVuv (b)); |
|
|
3559 | av_store (av, 0, newSVuv (a)); |
|
|
3560 | |
|
|
3561 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
3562 | |
|
|
3563 | PUTBACK; |
|
|
3564 | } |
|
|
3565 | |
|
|
3566 | static void ecb_noinline ecb_cold |
|
|
3567 | jit_init (pTHX) |
|
|
3568 | { |
|
|
3569 | dSP; |
|
|
3570 | SV *load, *save; |
|
|
3571 | char *map_base; |
|
|
3572 | char *load_ptr, *save_ptr; |
|
|
3573 | STRLEN load_len, save_len, map_len; |
|
|
3574 | int count; |
|
|
3575 | |
|
|
3576 | eval_pv ("require 'Coro/jit-" CORO_JIT_TYPE ".pl'", 1); |
|
|
3577 | |
|
|
3578 | PUSHMARK (SP); |
|
|
3579 | #define VARx(name,expr,type) pushav_4uv (aTHX_ (UV)&(expr), sizeof (expr), offsetof (perl_slots, name), sizeof (type)); |
|
|
3580 | #include "state.h" |
|
|
3581 | count = call_pv ("Coro::State::_jit", G_ARRAY); |
|
|
3582 | SPAGAIN; |
|
|
3583 | |
|
|
3584 | save = POPs; save_ptr = SvPVbyte (save, save_len); |
|
|
3585 | load = POPs; load_ptr = SvPVbyte (load, load_len); |
|
|
3586 | |
|
|
3587 | map_len = load_len + save_len + 16; |
|
|
3588 | |
|
|
3589 | map_base = mmap (0, map_len, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); |
|
|
3590 | |
|
|
3591 | assert (("Coro: unable to mmap jit code page, cannot continue.", map_base != (char *)MAP_FAILED)); |
|
|
3592 | |
|
|
3593 | load_perl_slots = (load_save_perl_slots_type)map_base; |
|
|
3594 | memcpy (map_base, load_ptr, load_len); |
|
|
3595 | |
|
|
3596 | map_base += (load_len + 15) & ~15; |
|
|
3597 | |
|
|
3598 | save_perl_slots = (load_save_perl_slots_type)map_base; |
|
|
3599 | memcpy (map_base, save_ptr, save_len); |
|
|
3600 | |
|
|
3601 | /* we are good citizens and try to make the page read-only, so the evil evil */ |
|
|
3602 | /* hackers might have it a bit more difficult */ |
|
|
3603 | mprotect (map_base, map_len, PROT_READ | PROT_EXEC); |
|
|
3604 | |
|
|
3605 | PUTBACK; |
|
|
3606 | eval_pv ("undef &Coro::State::_jit", 1); |
|
|
3607 | } |
|
|
3608 | |
|
|
3609 | #endif |
|
|
3610 | |
2899 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
3611 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
2900 | |
3612 | |
2901 | PROTOTYPES: DISABLE |
3613 | PROTOTYPES: DISABLE |
2902 | |
3614 | |
2903 | BOOT: |
3615 | BOOT: |
2904 | { |
3616 | { |
|
|
3617 | #define VARx(name,expr,type) if (sizeof (type) < sizeof (expr)) croak ("FATAL: Coro thread context slot '" # name "' too small for this version of perl."); |
|
|
3618 | #include "state.h" |
2905 | #ifdef USE_ITHREADS |
3619 | #ifdef USE_ITHREADS |
2906 | # if CORO_PTHREAD |
3620 | # if CORO_PTHREAD |
2907 | coro_thx = PERL_GET_CONTEXT; |
3621 | coro_thx = PERL_GET_CONTEXT; |
2908 | # endif |
3622 | # endif |
2909 | #endif |
3623 | #endif |
2910 | BOOT_PAGESIZE; |
3624 | /* perl defines these to check for existance first, but why it doesn't */ |
|
|
3625 | /* just create them one at init time is not clear to me, except for */ |
|
|
3626 | /* programs trying to delete them, but... */ |
|
|
3627 | /* anyway, we declare this as invalid and make sure they are initialised here */ |
|
|
3628 | DEFSV; |
|
|
3629 | ERRSV; |
2911 | |
3630 | |
2912 | cctx_current = cctx_new_empty (); |
3631 | cctx_current = cctx_new_empty (); |
2913 | |
3632 | |
2914 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3633 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
2915 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3634 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
2916 | |
3635 | |
2917 | orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get; |
3636 | orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get; |
2918 | orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set; |
3637 | orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set; |
2919 | orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr; |
3638 | orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr; |
2920 | |
3639 | |
2921 | hv_sig = coro_get_hv (aTHX_ "SIG", TRUE); |
|
|
2922 | rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV)); |
3640 | rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV)); |
2923 | rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV)); |
3641 | rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV)); |
2924 | |
3642 | |
2925 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
3643 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
2926 | |
3644 | |
… | |
… | |
2955 | coroapi.prepare_nop = prepare_nop; |
3673 | coroapi.prepare_nop = prepare_nop; |
2956 | coroapi.prepare_schedule = prepare_schedule; |
3674 | coroapi.prepare_schedule = prepare_schedule; |
2957 | coroapi.prepare_cede = prepare_cede; |
3675 | coroapi.prepare_cede = prepare_cede; |
2958 | coroapi.prepare_cede_notself = prepare_cede_notself; |
3676 | coroapi.prepare_cede_notself = prepare_cede_notself; |
2959 | |
3677 | |
2960 | { |
3678 | time_init (aTHX); |
2961 | SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
|
|
2962 | |
|
|
2963 | if (!svp) croak ("Time::HiRes is required"); |
|
|
2964 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer"); |
|
|
2965 | |
|
|
2966 | nvtime = INT2PTR (double (*)(), SvIV (*svp)); |
|
|
2967 | |
|
|
2968 | svp = hv_fetch (PL_modglobal, "Time::U2time", 12, 0); |
|
|
2969 | u2time = INT2PTR (void (*)(pTHX_ UV ret[2]), SvIV (*svp)); |
|
|
2970 | } |
|
|
2971 | |
3679 | |
2972 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
3680 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
|
|
3681 | #if CORO_JIT |
|
|
3682 | PUTBACK; |
|
|
3683 | jit_init (aTHX); |
|
|
3684 | SPAGAIN; |
|
|
3685 | #endif |
2973 | } |
3686 | } |
2974 | |
3687 | |
2975 | SV * |
3688 | SV * |
2976 | new (char *klass, ...) |
3689 | new (SV *klass, ...) |
2977 | ALIAS: |
3690 | ALIAS: |
2978 | Coro::new = 1 |
3691 | Coro::new = 1 |
2979 | CODE: |
3692 | CODE: |
2980 | { |
3693 | RETVAL = coro_new (aTHX_ ix ? coro_stash : coro_state_stash, &ST (1), items - 1, ix); |
2981 | struct coro *coro; |
3694 | OUTPUT: |
2982 | MAGIC *mg; |
|
|
2983 | HV *hv; |
|
|
2984 | SV *cb; |
|
|
2985 | int i; |
|
|
2986 | |
|
|
2987 | if (items > 1) |
|
|
2988 | { |
|
|
2989 | cb = s_get_cv_croak (ST (1)); |
|
|
2990 | |
|
|
2991 | if (!ix) |
|
|
2992 | { |
|
|
2993 | if (CvISXSUB (cb)) |
|
|
2994 | croak ("Coro::State doesn't support XS functions as coroutine start, caught"); |
|
|
2995 | |
|
|
2996 | if (!CvROOT (cb)) |
|
|
2997 | croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught"); |
|
|
2998 | } |
|
|
2999 | } |
|
|
3000 | |
|
|
3001 | Newz (0, coro, 1, struct coro); |
|
|
3002 | coro->args = newAV (); |
|
|
3003 | coro->flags = CF_NEW; |
|
|
3004 | |
|
|
3005 | if (coro_first) coro_first->prev = coro; |
|
|
3006 | coro->next = coro_first; |
|
|
3007 | coro_first = coro; |
|
|
3008 | |
|
|
3009 | coro->hv = hv = newHV (); |
|
|
3010 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
|
|
3011 | mg->mg_flags |= MGf_DUP; |
|
|
3012 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
|
|
3013 | |
|
|
3014 | if (items > 1) |
|
|
3015 | { |
|
|
3016 | av_extend (coro->args, items - 1 + ix - 1); |
|
|
3017 | |
|
|
3018 | if (ix) |
|
|
3019 | { |
|
|
3020 | av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb)); |
|
|
3021 | cb = (SV *)cv_coro_run; |
|
|
3022 | } |
|
|
3023 | |
|
|
3024 | coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb); |
|
|
3025 | |
|
|
3026 | for (i = 2; i < items; i++) |
|
|
3027 | av_push (coro->args, newSVsv (ST (i))); |
|
|
3028 | } |
|
|
3029 | } |
|
|
3030 | OUTPUT: |
|
|
3031 | RETVAL |
3695 | RETVAL |
3032 | |
3696 | |
3033 | void |
3697 | void |
3034 | transfer (...) |
3698 | transfer (...) |
3035 | PROTOTYPE: $$ |
3699 | PROTOTYPE: $$ |
3036 | CODE: |
3700 | CODE: |
3037 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3701 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3038 | |
|
|
3039 | bool |
|
|
3040 | _destroy (SV *coro_sv) |
|
|
3041 | CODE: |
|
|
3042 | RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv)); |
|
|
3043 | OUTPUT: |
|
|
3044 | RETVAL |
|
|
3045 | |
|
|
3046 | void |
|
|
3047 | _exit (int code) |
|
|
3048 | PROTOTYPE: $ |
|
|
3049 | CODE: |
|
|
3050 | _exit (code); |
|
|
3051 | |
3702 | |
3052 | SV * |
3703 | SV * |
3053 | clone (Coro::State coro) |
3704 | clone (Coro::State coro) |
3054 | CODE: |
3705 | CODE: |
3055 | { |
3706 | { |
… | |
… | |
3110 | void |
3761 | void |
3111 | list () |
3762 | list () |
3112 | PROTOTYPE: |
3763 | PROTOTYPE: |
3113 | PPCODE: |
3764 | PPCODE: |
3114 | { |
3765 | { |
3115 | struct coro *coro; |
3766 | struct coro *coro; |
3116 | for (coro = coro_first; coro; coro = coro->next) |
3767 | for (coro = coro_first; coro; coro = coro->next) |
3117 | if (coro->hv) |
3768 | if (coro->hv) |
3118 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
3769 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
3119 | } |
3770 | } |
3120 | |
3771 | |
… | |
… | |
3125 | CODE: |
3776 | CODE: |
3126 | { |
3777 | { |
3127 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
3778 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
3128 | { |
3779 | { |
3129 | struct coro *current = SvSTATE_current; |
3780 | struct coro *current = SvSTATE_current; |
|
|
3781 | struct CoroSLF slf_save; |
3130 | |
3782 | |
3131 | if (current != coro) |
3783 | if (current != coro) |
3132 | { |
3784 | { |
3133 | PUTBACK; |
3785 | PUTBACK; |
3134 | save_perl (aTHX_ current); |
3786 | save_perl (aTHX_ current); |
3135 | load_perl (aTHX_ coro); |
3787 | load_perl (aTHX_ coro); |
|
|
3788 | /* the coro is most likely in an active SLF call. |
|
|
3789 | * while not strictly required (the code we execute is |
|
|
3790 | * not allowed to call any SLF functions), it's cleaner |
|
|
3791 | * to reinitialise the slf_frame and restore it later. |
|
|
3792 | * This might one day allow us to actually do SLF calls |
|
|
3793 | * from code executed here. |
|
|
3794 | */ |
|
|
3795 | slf_save = slf_frame; |
|
|
3796 | slf_frame.prepare = 0; |
3136 | SPAGAIN; |
3797 | SPAGAIN; |
3137 | } |
3798 | } |
3138 | |
3799 | |
3139 | PUSHSTACK; |
3800 | PUSHSTACK; |
3140 | |
3801 | |
… | |
… | |
3150 | SPAGAIN; |
3811 | SPAGAIN; |
3151 | |
3812 | |
3152 | if (current != coro) |
3813 | if (current != coro) |
3153 | { |
3814 | { |
3154 | PUTBACK; |
3815 | PUTBACK; |
|
|
3816 | slf_frame = slf_save; |
3155 | save_perl (aTHX_ coro); |
3817 | save_perl (aTHX_ coro); |
3156 | load_perl (aTHX_ current); |
3818 | load_perl (aTHX_ current); |
3157 | SPAGAIN; |
3819 | SPAGAIN; |
3158 | } |
3820 | } |
3159 | } |
3821 | } |
… | |
… | |
3164 | PROTOTYPE: $ |
3826 | PROTOTYPE: $ |
3165 | ALIAS: |
3827 | ALIAS: |
3166 | is_ready = CF_READY |
3828 | is_ready = CF_READY |
3167 | is_running = CF_RUNNING |
3829 | is_running = CF_RUNNING |
3168 | is_new = CF_NEW |
3830 | is_new = CF_NEW |
3169 | is_destroyed = CF_DESTROYED |
3831 | is_destroyed = CF_ZOMBIE |
|
|
3832 | is_zombie = CF_ZOMBIE |
3170 | is_suspended = CF_SUSPENDED |
3833 | is_suspended = CF_SUSPENDED |
3171 | CODE: |
3834 | CODE: |
3172 | RETVAL = boolSV (coro->flags & ix); |
3835 | RETVAL = boolSV (coro->flags & ix); |
3173 | OUTPUT: |
3836 | OUTPUT: |
3174 | RETVAL |
3837 | RETVAL |
3175 | |
3838 | |
3176 | void |
3839 | void |
3177 | throw (Coro::State self, SV *throw = &PL_sv_undef) |
3840 | throw (SV *self, SV *exception = &PL_sv_undef) |
3178 | PROTOTYPE: $;$ |
3841 | PROTOTYPE: $;$ |
3179 | CODE: |
3842 | CODE: |
3180 | { |
3843 | { |
|
|
3844 | struct coro *coro = SvSTATE (self); |
3181 | struct coro *current = SvSTATE_current; |
3845 | struct coro *current = SvSTATE_current; |
3182 | SV **throwp = self == current ? &CORO_THROW : &self->except; |
3846 | SV **exceptionp = coro == current ? &CORO_THROW : &coro->except; |
3183 | SvREFCNT_dec (*throwp); |
3847 | SvREFCNT_dec (*exceptionp); |
3184 | SvGETMAGIC (throw); |
3848 | SvGETMAGIC (exception); |
3185 | *throwp = SvOK (throw) ? newSVsv (throw) : 0; |
3849 | *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; |
|
|
3850 | |
|
|
3851 | api_ready (aTHX_ self); |
3186 | } |
3852 | } |
3187 | |
3853 | |
3188 | void |
3854 | void |
3189 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3855 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3190 | PROTOTYPE: $;$ |
3856 | PROTOTYPE: $;$ |
… | |
… | |
3245 | |
3911 | |
3246 | void |
3912 | void |
3247 | cancel (Coro::State self) |
3913 | cancel (Coro::State self) |
3248 | CODE: |
3914 | CODE: |
3249 | coro_state_destroy (aTHX_ self); |
3915 | coro_state_destroy (aTHX_ self); |
3250 | coro_call_on_destroy (aTHX_ self); /* actually only for Coro objects */ |
|
|
3251 | |
|
|
3252 | |
3916 | |
3253 | SV * |
3917 | SV * |
3254 | enable_times (int enabled = enable_times) |
3918 | enable_times (int enabled = enable_times) |
3255 | CODE: |
3919 | CODE: |
3256 | { |
3920 | { |
… | |
… | |
3269 | |
3933 | |
3270 | void |
3934 | void |
3271 | times (Coro::State self) |
3935 | times (Coro::State self) |
3272 | PPCODE: |
3936 | PPCODE: |
3273 | { |
3937 | { |
3274 | struct coro *current = SvSTATE (coro_current); |
3938 | struct coro *current = SvSTATE (coro_current); |
3275 | |
3939 | |
3276 | if (expect_false (current == self)) |
3940 | if (ecb_expect_false (current == self)) |
3277 | { |
3941 | { |
3278 | coro_times_update (); |
3942 | coro_times_update (); |
3279 | coro_times_add (SvSTATE (coro_current)); |
3943 | coro_times_add (SvSTATE (coro_current)); |
3280 | } |
3944 | } |
3281 | |
3945 | |
3282 | EXTEND (SP, 2); |
3946 | EXTEND (SP, 2); |
3283 | PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9))); |
3947 | PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9))); |
3284 | PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9))); |
3948 | PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9))); |
3285 | |
3949 | |
3286 | if (expect_false (current == self)) |
3950 | if (ecb_expect_false (current == self)) |
3287 | coro_times_sub (SvSTATE (coro_current)); |
3951 | coro_times_sub (SvSTATE (coro_current)); |
3288 | } |
3952 | } |
3289 | |
3953 | |
|
|
3954 | void |
|
|
3955 | swap_sv (Coro::State coro, SV *sva, SV *svb) |
|
|
3956 | CODE: |
|
|
3957 | { |
|
|
3958 | struct coro *current = SvSTATE_current; |
|
|
3959 | AV *swap_sv; |
|
|
3960 | int i; |
|
|
3961 | |
|
|
3962 | sva = SvRV (sva); |
|
|
3963 | svb = SvRV (svb); |
|
|
3964 | |
|
|
3965 | if (current == coro) |
|
|
3966 | SWAP_SVS_LEAVE (current); |
|
|
3967 | |
|
|
3968 | if (!coro->swap_sv) |
|
|
3969 | coro->swap_sv = newAV (); |
|
|
3970 | |
|
|
3971 | swap_sv = coro->swap_sv; |
|
|
3972 | |
|
|
3973 | for (i = AvFILLp (swap_sv) - 1; i >= 0; i -= 2) |
|
|
3974 | { |
|
|
3975 | SV *a = AvARRAY (swap_sv)[i ]; |
|
|
3976 | SV *b = AvARRAY (swap_sv)[i + 1]; |
|
|
3977 | |
|
|
3978 | if (a == sva && b == svb) |
|
|
3979 | { |
|
|
3980 | SvREFCNT_dec_NN (a); |
|
|
3981 | SvREFCNT_dec_NN (b); |
|
|
3982 | |
|
|
3983 | for (; i <= AvFILLp (swap_sv) - 2; i++) |
|
|
3984 | AvARRAY (swap_sv)[i] = AvARRAY (swap_sv)[i + 2]; |
|
|
3985 | |
|
|
3986 | AvFILLp (swap_sv) -= 2; |
|
|
3987 | |
|
|
3988 | goto removed; |
|
|
3989 | } |
|
|
3990 | } |
|
|
3991 | |
|
|
3992 | av_push (swap_sv, SvREFCNT_inc_NN (sva)); |
|
|
3993 | av_push (swap_sv, SvREFCNT_inc_NN (svb)); |
|
|
3994 | |
|
|
3995 | removed: |
|
|
3996 | |
|
|
3997 | if (current == coro) |
|
|
3998 | SWAP_SVS_ENTER (current); |
|
|
3999 | } |
|
|
4000 | |
|
|
4001 | |
3290 | MODULE = Coro::State PACKAGE = Coro |
4002 | MODULE = Coro::State PACKAGE = Coro |
3291 | |
4003 | |
3292 | BOOT: |
4004 | BOOT: |
3293 | { |
4005 | { |
|
|
4006 | if (SVt_LAST > 32) |
|
|
4007 | croak ("Coro internal error: SVt_LAST > 32, swap_sv might need adjustment"); |
|
|
4008 | |
3294 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
4009 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3295 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
4010 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3296 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
4011 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
3297 | cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD); |
|
|
3298 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
4012 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
3299 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
4013 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
3300 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
4014 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
3301 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
4015 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
3302 | sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); |
4016 | sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); |
3303 | |
4017 | |
3304 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
4018 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3305 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
4019 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
3306 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
4020 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
3307 | cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new); |
4021 | CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */ |
3308 | |
4022 | |
3309 | coro_stash = gv_stashpv ("Coro", TRUE); |
4023 | coro_stash = gv_stashpv ("Coro", TRUE); |
3310 | |
4024 | |
3311 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
4025 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
3312 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
4026 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
… | |
… | |
3325 | coroapi.ready = api_ready; |
4039 | coroapi.ready = api_ready; |
3326 | coroapi.is_ready = api_is_ready; |
4040 | coroapi.is_ready = api_is_ready; |
3327 | coroapi.nready = coro_nready; |
4041 | coroapi.nready = coro_nready; |
3328 | coroapi.current = coro_current; |
4042 | coroapi.current = coro_current; |
3329 | |
4043 | |
|
|
4044 | coroapi.enterleave_hook = api_enterleave_hook; |
|
|
4045 | coroapi.enterleave_unhook = api_enterleave_unhook; |
|
|
4046 | coroapi.enterleave_scope_hook = api_enterleave_scope_hook; |
|
|
4047 | |
3330 | /*GCoroAPI = &coroapi;*/ |
4048 | /*GCoroAPI = &coroapi;*/ |
3331 | sv_setiv (sv, (IV)&coroapi); |
4049 | sv_setiv (sv, (IV)&coroapi); |
3332 | SvREADONLY_on (sv); |
4050 | SvREADONLY_on (sv); |
3333 | } |
4051 | } |
3334 | } |
4052 | } |
3335 | |
4053 | |
|
|
4054 | SV * |
|
|
4055 | async (...) |
|
|
4056 | PROTOTYPE: &@ |
|
|
4057 | CODE: |
|
|
4058 | RETVAL = coro_new (aTHX_ coro_stash, &ST (0), items, 1); |
|
|
4059 | api_ready (aTHX_ RETVAL); |
|
|
4060 | OUTPUT: |
|
|
4061 | RETVAL |
|
|
4062 | |
|
|
4063 | void |
|
|
4064 | _destroy (Coro::State coro) |
|
|
4065 | CODE: |
|
|
4066 | /* used by the manager thread */ |
|
|
4067 | coro_state_destroy (aTHX_ coro); |
|
|
4068 | |
|
|
4069 | void |
|
|
4070 | on_destroy (Coro::State coro, SV *cb) |
|
|
4071 | CODE: |
|
|
4072 | coro_push_on_destroy (aTHX_ coro, newSVsv (cb)); |
|
|
4073 | |
|
|
4074 | void |
|
|
4075 | join (...) |
|
|
4076 | CODE: |
|
|
4077 | CORO_EXECUTE_SLF_XS (slf_init_join); |
|
|
4078 | |
3336 | void |
4079 | void |
3337 | terminate (...) |
4080 | terminate (...) |
3338 | CODE: |
4081 | CODE: |
3339 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
4082 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
3340 | |
4083 | |
3341 | void |
4084 | void |
|
|
4085 | cancel (...) |
|
|
4086 | CODE: |
|
|
4087 | CORO_EXECUTE_SLF_XS (slf_init_cancel); |
|
|
4088 | |
|
|
4089 | int |
|
|
4090 | safe_cancel (Coro::State self, ...) |
|
|
4091 | C_ARGS: aTHX_ self, &ST (1), items - 1 |
|
|
4092 | |
|
|
4093 | void |
3342 | schedule (...) |
4094 | schedule (...) |
3343 | CODE: |
4095 | CODE: |
3344 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
4096 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
3345 | |
4097 | |
3346 | void |
4098 | void |
… | |
… | |
3365 | |
4117 | |
3366 | void |
4118 | void |
3367 | _set_current (SV *current) |
4119 | _set_current (SV *current) |
3368 | PROTOTYPE: $ |
4120 | PROTOTYPE: $ |
3369 | CODE: |
4121 | CODE: |
3370 | SvREFCNT_dec (SvRV (coro_current)); |
4122 | SvREFCNT_dec_NN (SvRV (coro_current)); |
3371 | SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current))); |
4123 | SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current))); |
3372 | |
4124 | |
3373 | void |
4125 | void |
3374 | _set_readyhook (SV *hook) |
4126 | _set_readyhook (SV *hook) |
3375 | PROTOTYPE: $ |
4127 | PROTOTYPE: $ |
3376 | CODE: |
4128 | CODE: |
3377 | SvREFCNT_dec (coro_readyhook); |
4129 | SvREFCNT_dec (coro_readyhook); |
3378 | SvGETMAGIC (hook); |
4130 | SvGETMAGIC (hook); |
|
|
4131 | if (SvOK (hook)) |
|
|
4132 | { |
3379 | coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0; |
4133 | coro_readyhook = newSVsv (hook); |
|
|
4134 | CORO_READYHOOK = invoke_sv_ready_hook_helper; |
|
|
4135 | } |
|
|
4136 | else |
|
|
4137 | { |
|
|
4138 | coro_readyhook = 0; |
|
|
4139 | CORO_READYHOOK = 0; |
|
|
4140 | } |
3380 | |
4141 | |
3381 | int |
4142 | int |
3382 | prio (Coro::State coro, int newprio = 0) |
4143 | prio (Coro::State coro, int newprio = 0) |
3383 | PROTOTYPE: $;$ |
4144 | PROTOTYPE: $;$ |
3384 | ALIAS: |
4145 | ALIAS: |
… | |
… | |
3448 | for (i = 1; i < items; ++i) |
4209 | for (i = 1; i < items; ++i) |
3449 | av_push (av, SvREFCNT_inc_NN (ST (i))); |
4210 | av_push (av, SvREFCNT_inc_NN (ST (i))); |
3450 | |
4211 | |
3451 | if ((SV *)hv == &PL_sv_undef) |
4212 | if ((SV *)hv == &PL_sv_undef) |
3452 | { |
4213 | { |
3453 | PUSHMARK (SP); |
4214 | SV *sv = coro_new (aTHX_ coro_stash, (SV **)&cv_pool_handler, 1, 1); |
3454 | EXTEND (SP, 2); |
|
|
3455 | PUSHs (sv_Coro); |
|
|
3456 | PUSHs ((SV *)cv_pool_handler); |
|
|
3457 | PUTBACK; |
|
|
3458 | call_sv ((SV *)cv_coro_state_new, G_SCALAR); |
|
|
3459 | SPAGAIN; |
|
|
3460 | |
|
|
3461 | hv = (HV *)SvREFCNT_inc_NN (SvRV (POPs)); |
4215 | hv = (HV *)SvREFCNT_inc_NN (SvRV (sv)); |
|
|
4216 | SvREFCNT_dec_NN (sv); |
3462 | } |
4217 | } |
3463 | |
4218 | |
3464 | { |
4219 | { |
3465 | struct coro *coro = SvSTATE_hv (hv); |
4220 | struct coro *coro = SvSTATE_hv (hv); |
3466 | |
4221 | |
… | |
… | |
3473 | api_ready (aTHX_ (SV *)hv); |
4228 | api_ready (aTHX_ (SV *)hv); |
3474 | |
4229 | |
3475 | if (GIMME_V != G_VOID) |
4230 | if (GIMME_V != G_VOID) |
3476 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv))); |
4231 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv))); |
3477 | else |
4232 | else |
3478 | SvREFCNT_dec (hv); |
4233 | SvREFCNT_dec_NN (hv); |
3479 | } |
4234 | } |
3480 | |
4235 | |
3481 | SV * |
4236 | SV * |
3482 | rouse_cb () |
4237 | rouse_cb () |
3483 | PROTOTYPE: |
4238 | PROTOTYPE: |
… | |
… | |
3498 | on_leave = 1 |
4253 | on_leave = 1 |
3499 | PROTOTYPE: & |
4254 | PROTOTYPE: & |
3500 | CODE: |
4255 | CODE: |
3501 | { |
4256 | { |
3502 | struct coro *coro = SvSTATE_current; |
4257 | struct coro *coro = SvSTATE_current; |
3503 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
4258 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
3504 | |
4259 | |
3505 | block = s_get_cv_croak (block); |
4260 | block = s_get_cv_croak (block); |
3506 | |
4261 | |
3507 | if (!*avp) |
4262 | if (!*avp) |
3508 | *avp = newAV (); |
4263 | *avp = newAV (); |
… | |
… | |
3528 | |
4283 | |
3529 | SV * |
4284 | SV * |
3530 | new (SV *klass, SV *count = 0) |
4285 | new (SV *klass, SV *count = 0) |
3531 | CODE: |
4286 | CODE: |
3532 | { |
4287 | { |
3533 | int semcnt = 1; |
4288 | int semcnt = 1; |
3534 | |
4289 | |
3535 | if (count) |
4290 | if (count) |
3536 | { |
4291 | { |
3537 | SvGETMAGIC (count); |
4292 | SvGETMAGIC (count); |
3538 | |
4293 | |
… | |
… | |
3562 | RETVAL = newSVsv (AvARRAY ((AV *)SvRV (self))[0]); |
4317 | RETVAL = newSVsv (AvARRAY ((AV *)SvRV (self))[0]); |
3563 | OUTPUT: |
4318 | OUTPUT: |
3564 | RETVAL |
4319 | RETVAL |
3565 | |
4320 | |
3566 | void |
4321 | void |
3567 | up (SV *self, int adjust = 1) |
4322 | up (SV *self) |
3568 | ALIAS: |
|
|
3569 | adjust = 1 |
|
|
3570 | CODE: |
4323 | CODE: |
|
|
4324 | coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), 1); |
|
|
4325 | |
|
|
4326 | void |
|
|
4327 | adjust (SV *self, int adjust) |
|
|
4328 | CODE: |
3571 | coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), ix ? adjust : 1); |
4329 | coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), adjust); |
3572 | |
4330 | |
3573 | void |
4331 | void |
3574 | down (...) |
4332 | down (...) |
3575 | CODE: |
4333 | CODE: |
3576 | CORO_EXECUTE_SLF_XS (slf_init_semaphore_down); |
4334 | CORO_EXECUTE_SLF_XS (slf_init_semaphore_down); |
… | |
… | |
3598 | XSRETURN_NO; |
4356 | XSRETURN_NO; |
3599 | } |
4357 | } |
3600 | |
4358 | |
3601 | void |
4359 | void |
3602 | waiters (SV *self) |
4360 | waiters (SV *self) |
3603 | PPCODE: |
4361 | PPCODE: |
3604 | { |
4362 | { |
3605 | AV *av = (AV *)SvRV (self); |
4363 | AV *av = (AV *)SvRV (self); |
3606 | int wcount = AvFILLp (av) + 1 - 1; |
4364 | int wcount = AvFILLp (av) + 1 - 1; |
3607 | |
4365 | |
3608 | if (GIMME_V == G_SCALAR) |
4366 | if (GIMME_V == G_SCALAR) |
… | |
… | |
3617 | } |
4375 | } |
3618 | |
4376 | |
3619 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
4377 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
3620 | |
4378 | |
3621 | void |
4379 | void |
3622 | _may_delete (SV *sem, int count, int extra_refs) |
4380 | _may_delete (SV *sem, int count, unsigned int extra_refs) |
3623 | PPCODE: |
4381 | PPCODE: |
3624 | { |
4382 | { |
3625 | AV *av = (AV *)SvRV (sem); |
4383 | AV *av = (AV *)SvRV (sem); |
3626 | |
4384 | |
3627 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
4385 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
3628 | && AvFILLp (av) == 0 /* no waiters, just count */ |
4386 | && AvFILLp (av) == 0 /* no waiters, just count */ |
3629 | && SvIV (AvARRAY (av)[0]) == count) |
4387 | && SvIV (AvARRAY (av)[0]) == count) |
3630 | XSRETURN_YES; |
4388 | XSRETURN_YES; |
… | |
… | |
3651 | |
4409 | |
3652 | void |
4410 | void |
3653 | broadcast (SV *self) |
4411 | broadcast (SV *self) |
3654 | CODE: |
4412 | CODE: |
3655 | { |
4413 | { |
3656 | AV *av = (AV *)SvRV (self); |
4414 | AV *av = (AV *)SvRV (self); |
3657 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
4415 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
3658 | } |
4416 | } |
3659 | |
4417 | |
3660 | void |
4418 | void |
3661 | send (SV *self) |
4419 | send (SV *self) |
… | |
… | |
3669 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
4427 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
3670 | } |
4428 | } |
3671 | |
4429 | |
3672 | IV |
4430 | IV |
3673 | awaited (SV *self) |
4431 | awaited (SV *self) |
3674 | CODE: |
4432 | CODE: |
3675 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
4433 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
3676 | OUTPUT: |
4434 | OUTPUT: |
3677 | RETVAL |
4435 | RETVAL |
3678 | |
4436 | |
3679 | |
4437 | |
… | |
… | |
3684 | |
4442 | |
3685 | void |
4443 | void |
3686 | _schedule (...) |
4444 | _schedule (...) |
3687 | CODE: |
4445 | CODE: |
3688 | { |
4446 | { |
3689 | static int incede; |
4447 | static int incede; |
3690 | |
4448 | |
3691 | api_cede_notself (aTHX); |
4449 | api_cede_notself (aTHX); |
3692 | |
4450 | |
3693 | ++incede; |
4451 | ++incede; |
3694 | while (coro_nready >= incede && api_cede (aTHX)) |
4452 | while (coro_nready >= incede && api_cede (aTHX)) |
… | |
… | |
3717 | CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__); |
4475 | CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__); |
3718 | sv_setpv ((SV *)slf_cv, proto); |
4476 | sv_setpv ((SV *)slf_cv, proto); |
3719 | sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0); |
4477 | sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0); |
3720 | } |
4478 | } |
3721 | |
4479 | |
|
|
4480 | MODULE = Coro::State PACKAGE = Coro::Select |
|
|
4481 | |
|
|
4482 | void |
|
|
4483 | patch_pp_sselect () |
|
|
4484 | CODE: |
|
|
4485 | if (!coro_old_pp_sselect) |
|
|
4486 | { |
|
|
4487 | coro_select_select = (SV *)get_cv ("Coro::Select::select", 0); |
|
|
4488 | coro_old_pp_sselect = PL_ppaddr [OP_SSELECT]; |
|
|
4489 | PL_ppaddr [OP_SSELECT] = coro_pp_sselect; |
|
|
4490 | } |
|
|
4491 | |
|
|
4492 | void |
|
|
4493 | unpatch_pp_sselect () |
|
|
4494 | CODE: |
|
|
4495 | if (coro_old_pp_sselect) |
|
|
4496 | { |
|
|
4497 | PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; |
|
|
4498 | coro_old_pp_sselect = 0; |
|
|
4499 | } |
|
|
4500 | |
|
|
4501 | MODULE = Coro::State PACKAGE = Coro::Util |
|
|
4502 | |
|
|
4503 | void |
|
|
4504 | _exit (int code) |
|
|
4505 | CODE: |
|
|
4506 | _exit (code); |
|
|
4507 | |
|
|
4508 | NV |
|
|
4509 | time () |
|
|
4510 | CODE: |
|
|
4511 | RETVAL = nvtime (aTHX); |
|
|
4512 | OUTPUT: |
|
|
4513 | RETVAL |
|
|
4514 | |
|
|
4515 | NV |
|
|
4516 | gettimeofday () |
|
|
4517 | PPCODE: |
|
|
4518 | { |
|
|
4519 | UV tv [2]; |
|
|
4520 | u2time (aTHX_ tv); |
|
|
4521 | EXTEND (SP, 2); |
|
|
4522 | PUSHs (sv_2mortal (newSVuv (tv [0]))); |
|
|
4523 | PUSHs (sv_2mortal (newSVuv (tv [1]))); |
|
|
4524 | } |
|
|
4525 | |