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1 | /* this works around a bug in mingw32 providing a non-working setjmp */ |
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2 | #define USE_NO_MINGW_SETJMP_TWO_ARGS |
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3 | |
1 | #define NDEBUG 1 |
4 | #define NDEBUG 1 |
2 | |
5 | |
3 | #include "libcoro/coro.c" |
6 | #include "libcoro/coro.c" |
4 | |
7 | |
5 | #define PERL_NO_GET_CONTEXT |
8 | #define PERL_NO_GET_CONTEXT |
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9 | #include "perl.h" |
12 | #include "perl.h" |
10 | #include "XSUB.h" |
13 | #include "XSUB.h" |
11 | #include "perliol.h" |
14 | #include "perliol.h" |
12 | |
15 | |
13 | #include "schmorp.h" |
16 | #include "schmorp.h" |
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17 | #include "ecb.h" |
14 | |
18 | |
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19 | #include <stddef.h> |
15 | #include <stdio.h> |
20 | #include <stdio.h> |
16 | #include <errno.h> |
21 | #include <errno.h> |
17 | #include <assert.h> |
22 | #include <assert.h> |
18 | |
23 | |
19 | #ifndef SVs_PADSTALE |
24 | #ifndef SVs_PADSTALE |
20 | # define SVs_PADSTALE 0 |
25 | # define SVs_PADSTALE 0 |
21 | #endif |
26 | #endif |
22 | |
27 | |
23 | #ifdef WIN32 |
28 | #if defined(_WIN32) |
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29 | # undef HAS_GETTIMEOFDAY |
24 | # undef setjmp |
30 | # undef setjmp |
25 | # undef longjmp |
31 | # undef longjmp |
26 | # undef _exit |
32 | # undef _exit |
27 | # define setjmp _setjmp /* deep magic */ |
33 | # define setjmp _setjmp /* deep magic */ |
28 | #else |
34 | #else |
29 | # include <inttypes.h> /* most portable stdint.h */ |
35 | # include <inttypes.h> /* most portable stdint.h */ |
30 | #endif |
36 | #endif |
31 | |
37 | |
32 | #ifdef HAVE_MMAP |
38 | #if HAVE_MMAP |
33 | # include <unistd.h> |
39 | # include <unistd.h> |
34 | # include <sys/mman.h> |
40 | # include <sys/mman.h> |
35 | # ifndef MAP_ANONYMOUS |
41 | # ifndef MAP_ANONYMOUS |
36 | # ifdef MAP_ANON |
42 | # ifdef MAP_ANON |
37 | # define MAP_ANONYMOUS MAP_ANON |
43 | # define MAP_ANONYMOUS MAP_ANON |
… | |
… | |
57 | #endif |
63 | #endif |
58 | |
64 | |
59 | /* the maximum number of idle cctx that will be pooled */ |
65 | /* the maximum number of idle cctx that will be pooled */ |
60 | static int cctx_max_idle = 4; |
66 | static int cctx_max_idle = 4; |
61 | |
67 | |
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68 | #if defined(DEBUGGING) && PERL_VERSION_ATLEAST(5,12,0) |
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69 | # define HAS_SCOPESTACK_NAME 1 |
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70 | #endif |
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71 | |
62 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
72 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
63 | # undef CORO_STACKGUARD |
73 | # undef CORO_STACKGUARD |
64 | #endif |
74 | #endif |
65 | |
75 | |
66 | #ifndef CORO_STACKGUARD |
76 | #ifndef CORO_STACKGUARD |
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82 | # define STACKLEVEL ((void *)&stacklevel) |
92 | # define STACKLEVEL ((void *)&stacklevel) |
83 | #endif |
93 | #endif |
84 | |
94 | |
85 | #define IN_DESTRUCT PL_dirty |
95 | #define IN_DESTRUCT PL_dirty |
86 | |
96 | |
87 | #if __GNUC__ >= 3 |
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88 | # define attribute(x) __attribute__(x) |
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89 | # define expect(expr,value) __builtin_expect ((expr), (value)) |
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90 | # define INLINE static inline |
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91 | #else |
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92 | # define attribute(x) |
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93 | # define expect(expr,value) (expr) |
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94 | # define INLINE static |
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95 | #endif |
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96 | |
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97 | #define expect_false(expr) expect ((expr) != 0, 0) |
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98 | #define expect_true(expr) expect ((expr) != 0, 1) |
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99 | |
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100 | #define NOINLINE attribute ((noinline)) |
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101 | |
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102 | #include "CoroAPI.h" |
97 | #include "CoroAPI.h" |
103 | #define GCoroAPI (&coroapi) /* very sneaky */ |
98 | #define GCoroAPI (&coroapi) /* very sneaky */ |
104 | |
99 | |
105 | #ifdef USE_ITHREADS |
100 | #ifdef USE_ITHREADS |
106 | # if CORO_PTHREAD |
101 | # if CORO_PTHREAD |
107 | static void *coro_thx; |
102 | static void *coro_thx; |
108 | # endif |
103 | # endif |
109 | #endif |
104 | #endif |
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105 | |
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106 | /* used in state.h */ |
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107 | #define VAR(name,type) VARx(name, PL_ ## name, type) |
110 | |
108 | |
111 | #ifdef __linux |
109 | #ifdef __linux |
112 | # include <time.h> /* for timespec */ |
110 | # include <time.h> /* for timespec */ |
113 | # include <syscall.h> /* for SYS_* */ |
111 | # include <syscall.h> /* for SYS_* */ |
114 | # ifdef SYS_clock_gettime |
112 | # ifdef SYS_clock_gettime |
… | |
… | |
122 | static void (*u2time)(pTHX_ UV ret[2]); |
120 | static void (*u2time)(pTHX_ UV ret[2]); |
123 | |
121 | |
124 | /* we hijack an hopefully unused CV flag for our purposes */ |
122 | /* we hijack an hopefully unused CV flag for our purposes */ |
125 | #define CVf_SLF 0x4000 |
123 | #define CVf_SLF 0x4000 |
126 | static OP *pp_slf (pTHX); |
124 | static OP *pp_slf (pTHX); |
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125 | static void slf_destroy (pTHX_ struct coro *coro); |
127 | |
126 | |
128 | static U32 cctx_gen; |
127 | static U32 cctx_gen; |
129 | static size_t cctx_stacksize = CORO_STACKSIZE; |
128 | static size_t cctx_stacksize = CORO_STACKSIZE; |
130 | static struct CoroAPI coroapi; |
129 | static struct CoroAPI coroapi; |
131 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
130 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
… | |
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161 | static char times_valid; |
160 | static char times_valid; |
162 | |
161 | |
163 | static struct coro_cctx *cctx_first; |
162 | static struct coro_cctx *cctx_first; |
164 | static int cctx_count, cctx_idle; |
163 | static int cctx_count, cctx_idle; |
165 | |
164 | |
166 | enum { |
165 | enum |
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166 | { |
167 | CC_MAPPED = 0x01, |
167 | CC_MAPPED = 0x01, |
168 | CC_NOREUSE = 0x02, /* throw this away after tracing */ |
168 | CC_NOREUSE = 0x02, /* throw this away after tracing */ |
169 | CC_TRACE = 0x04, |
169 | CC_TRACE = 0x04, |
170 | CC_TRACE_SUB = 0x08, /* trace sub calls */ |
170 | CC_TRACE_SUB = 0x08, /* trace sub calls */ |
171 | CC_TRACE_LINE = 0x10, /* trace each statement */ |
171 | CC_TRACE_LINE = 0x10, /* trace each statement */ |
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181 | void *sptr; |
181 | void *sptr; |
182 | size_t ssize; |
182 | size_t ssize; |
183 | |
183 | |
184 | /* cpu state */ |
184 | /* cpu state */ |
185 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
185 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
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186 | #ifndef NDEBUG |
186 | 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 */ |
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188 | #endif |
187 | JMPENV *top_env; |
189 | JMPENV *top_env; |
188 | coro_context cctx; |
190 | coro_context cctx; |
189 | |
191 | |
190 | U32 gen; |
192 | U32 gen; |
191 | #if CORO_USE_VALGRIND |
193 | #if CORO_USE_VALGRIND |
192 | int valgrind_id; |
194 | int valgrind_id; |
193 | #endif |
195 | #endif |
194 | unsigned char flags; |
196 | unsigned char flags; |
195 | } coro_cctx; |
197 | } coro_cctx; |
196 | |
198 | |
197 | coro_cctx *cctx_current; /* the currently running cctx */ |
199 | static coro_cctx *cctx_current; /* the currently running cctx */ |
198 | |
200 | |
199 | /*****************************************************************************/ |
201 | /*****************************************************************************/ |
200 | |
202 | |
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203 | static MGVTBL coro_state_vtbl; |
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204 | |
201 | enum { |
205 | enum |
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206 | { |
202 | CF_RUNNING = 0x0001, /* coroutine is running */ |
207 | CF_RUNNING = 0x0001, /* coroutine is running */ |
203 | CF_READY = 0x0002, /* coroutine is ready */ |
208 | CF_READY = 0x0002, /* coroutine is ready */ |
204 | CF_NEW = 0x0004, /* has never been switched to */ |
209 | CF_NEW = 0x0004, /* has never been switched to */ |
205 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
210 | CF_ZOMBIE = 0x0008, /* coroutine data has been freed */ |
206 | CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */ |
211 | CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */ |
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212 | CF_NOCANCEL = 0x0020, /* cannot cancel, set slf_frame.data to 1 (hackish) */ |
207 | }; |
213 | }; |
208 | |
214 | |
209 | /* 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 */ |
210 | typedef struct |
216 | typedef struct |
211 | { |
217 | { |
212 | SV *defsv; |
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213 | AV *defav; |
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214 | SV *errsv; |
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215 | SV *irsgv; |
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216 | HV *hinthv; |
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217 | #define VAR(name,type) type name; |
218 | #define VARx(name,expr,type) type name; |
218 | # include "state.h" |
219 | # include "state.h" |
219 | #undef VAR |
220 | #undef VARx |
220 | } perl_slots; |
221 | } perl_slots; |
221 | |
222 | |
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223 | /* how many context stack entries do we need for perl_slots */ |
222 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
224 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
223 | |
225 | |
224 | /* this is a structure representing a perl-level coroutine */ |
226 | /* this is a structure representing a perl-level coroutine */ |
225 | struct coro { |
227 | struct coro |
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228 | { |
226 | /* the C coroutine allocated to this perl coroutine, if any */ |
229 | /* the C coroutine allocated to this perl coroutine, if any */ |
227 | coro_cctx *cctx; |
230 | coro_cctx *cctx; |
228 | |
231 | |
229 | /* ready queue */ |
232 | /* ready queue */ |
230 | struct coro *next_ready; |
233 | struct coro *next_ready; |
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232 | /* state data */ |
235 | /* state data */ |
233 | struct CoroSLF slf_frame; /* saved slf frame */ |
236 | struct CoroSLF slf_frame; /* saved slf frame */ |
234 | AV *mainstack; |
237 | AV *mainstack; |
235 | perl_slots *slot; /* basically the saved sp */ |
238 | perl_slots *slot; /* basically the saved sp */ |
236 | |
239 | |
237 | CV *startcv; /* the CV to execute */ |
240 | CV *startcv; /* the CV to execute */ |
238 | AV *args; /* data associated with this coroutine (initial args) */ |
241 | AV *args; /* data associated with this coroutine (initial args) */ |
239 | int refcnt; /* coroutines are refcounted, yes */ |
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240 | int flags; /* CF_ flags */ |
242 | int flags; /* CF_ flags */ |
241 | HV *hv; /* the perl hash associated with this coro, if any */ |
243 | HV *hv; /* the perl hash associated with this coro, if any */ |
242 | void (*on_destroy)(pTHX_ struct coro *coro); |
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243 | |
244 | |
244 | /* statistics */ |
245 | /* statistics */ |
245 | int usecount; /* number of transfers to this coro */ |
246 | int usecount; /* number of transfers to this coro */ |
246 | |
247 | |
247 | /* coro process data */ |
248 | /* coro process data */ |
248 | int prio; |
249 | int prio; |
249 | SV *except; /* exception to be thrown */ |
250 | SV *except; /* exception to be thrown */ |
250 | SV *rouse_cb; |
251 | SV *rouse_cb; /* last rouse callback */ |
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252 | AV *on_destroy; /* callbacks or coros to notify on destroy */ |
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253 | AV *status; /* the exit status list */ |
251 | |
254 | |
252 | /* async_pool */ |
255 | /* async_pool */ |
253 | SV *saved_deffh; |
256 | SV *saved_deffh; |
254 | SV *invoke_cb; |
257 | SV *invoke_cb; |
255 | AV *invoke_av; |
258 | AV *invoke_av; |
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271 | typedef struct coro *Coro__State; |
274 | typedef struct coro *Coro__State; |
272 | typedef struct coro *Coro__State_or_hashref; |
275 | typedef struct coro *Coro__State_or_hashref; |
273 | |
276 | |
274 | /* the following variables are effectively part of the perl context */ |
277 | /* the following variables are effectively part of the perl context */ |
275 | /* and get copied between struct coro and these variables */ |
278 | /* and get copied between struct coro and these variables */ |
276 | /* the mainr easonw e don't support windows process emulation */ |
279 | /* the main reason we don't support windows process emulation */ |
277 | static struct CoroSLF slf_frame; /* the current slf frame */ |
280 | static struct CoroSLF slf_frame; /* the current slf frame */ |
278 | |
281 | |
279 | /** Coro ********************************************************************/ |
282 | /** Coro ********************************************************************/ |
280 | |
283 | |
281 | #define CORO_PRIO_MAX 3 |
284 | #define CORO_PRIO_MAX 3 |
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287 | |
290 | |
288 | /* for Coro.pm */ |
291 | /* for Coro.pm */ |
289 | static SV *coro_current; |
292 | static SV *coro_current; |
290 | static SV *coro_readyhook; |
293 | static SV *coro_readyhook; |
291 | static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ |
294 | static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ |
292 | static CV *cv_coro_run, *cv_coro_terminate; |
295 | static CV *cv_coro_run; |
293 | static struct coro *coro_first; |
296 | static struct coro *coro_first; |
294 | #define coro_nready coroapi.nready |
297 | #define coro_nready coroapi.nready |
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298 | |
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299 | /** JIT *********************************************************************/ |
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300 | |
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301 | #if CORO_JIT |
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302 | /* APPLE doesn't have HAVE_MMAP though */ |
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303 | #define CORO_JIT_UNIXY (__linux || __FreeBSD__ || __OpenBSD__ || __NetBSD__ || __solaris || __APPLE__) |
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304 | #ifndef CORO_JIT_TYPE |
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305 | #if __x86_64 && CORO_JIT_UNIXY |
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306 | #define CORO_JIT_TYPE "amd64-unix" |
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307 | #elif __i386 && CORO_JIT_UNIXY |
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308 | #define CORO_JIT_TYPE "x86-unix" |
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309 | #endif |
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310 | #endif |
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311 | #endif |
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312 | |
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313 | #if !defined(CORO_JIT_TYPE) || !HAVE_MMAP |
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314 | #undef CORO_JIT |
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315 | #endif |
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316 | |
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317 | #if CORO_JIT |
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318 | typedef void (*load_save_perl_slots_type)(perl_slots *); |
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319 | static load_save_perl_slots_type load_perl_slots, save_perl_slots; |
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320 | #endif |
295 | |
321 | |
296 | /** Coro::Select ************************************************************/ |
322 | /** Coro::Select ************************************************************/ |
297 | |
323 | |
298 | static OP *(*coro_old_pp_sselect) (pTHX); |
324 | static OP *(*coro_old_pp_sselect) (pTHX); |
299 | static SV *coro_select_select; |
325 | static SV *coro_select_select; |
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311 | PL_op->op_flags |= OPf_STACKED; |
337 | PL_op->op_flags |= OPf_STACKED; |
312 | PL_op->op_private = 0; |
338 | PL_op->op_private = 0; |
313 | return PL_ppaddr [OP_ENTERSUB](aTHX); |
339 | return PL_ppaddr [OP_ENTERSUB](aTHX); |
314 | } |
340 | } |
315 | |
341 | |
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342 | /** time stuff **************************************************************/ |
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343 | |
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344 | #ifdef HAS_GETTIMEOFDAY |
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345 | |
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346 | ecb_inline void |
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347 | coro_u2time (pTHX_ UV ret[2]) |
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348 | { |
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349 | struct timeval tv; |
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350 | gettimeofday (&tv, 0); |
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351 | |
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352 | ret [0] = tv.tv_sec; |
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353 | ret [1] = tv.tv_usec; |
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354 | } |
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355 | |
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356 | ecb_inline double |
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357 | coro_nvtime (void) |
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358 | { |
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359 | struct timeval tv; |
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360 | gettimeofday (&tv, 0); |
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361 | |
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362 | return tv.tv_sec + tv.tv_usec * 1e-6; |
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363 | } |
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364 | |
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365 | ecb_inline void |
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366 | time_init (pTHX) |
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367 | { |
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368 | nvtime = coro_nvtime; |
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369 | u2time = coro_u2time; |
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370 | } |
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371 | |
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372 | #else |
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373 | |
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374 | ecb_inline void |
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375 | time_init (pTHX) |
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376 | { |
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377 | SV **svp; |
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378 | |
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379 | require_pv ("Time/HiRes.pm"); |
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380 | |
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381 | svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
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382 | |
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383 | if (!svp) croak ("Time::HiRes is required, but missing. Caught"); |
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384 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer. Caught"); |
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385 | |
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386 | nvtime = INT2PTR (double (*)(), SvIV (*svp)); |
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387 | |
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388 | svp = hv_fetch (PL_modglobal, "Time::U2time", 12, 0); |
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389 | u2time = INT2PTR (void (*)(pTHX_ UV ret[2]), SvIV (*svp)); |
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390 | } |
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391 | |
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392 | #endif |
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393 | |
316 | /** lowlevel stuff **********************************************************/ |
394 | /** lowlevel stuff **********************************************************/ |
317 | |
395 | |
318 | static SV * |
396 | static SV * ecb_noinline |
319 | coro_get_sv (pTHX_ const char *name, int create) |
397 | coro_get_sv (pTHX_ const char *name, int create) |
320 | { |
398 | { |
321 | #if PERL_VERSION_ATLEAST (5,10,0) |
399 | #if PERL_VERSION_ATLEAST (5,10,0) |
322 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
400 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
323 | get_sv (name, create); |
401 | get_sv (name, create); |
324 | #endif |
402 | #endif |
325 | return get_sv (name, create); |
403 | return get_sv (name, create); |
326 | } |
404 | } |
327 | |
405 | |
328 | static AV * |
406 | static AV * ecb_noinline |
329 | coro_get_av (pTHX_ const char *name, int create) |
407 | coro_get_av (pTHX_ const char *name, int create) |
330 | { |
408 | { |
331 | #if PERL_VERSION_ATLEAST (5,10,0) |
409 | #if PERL_VERSION_ATLEAST (5,10,0) |
332 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
410 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
333 | get_av (name, create); |
411 | get_av (name, create); |
334 | #endif |
412 | #endif |
335 | return get_av (name, create); |
413 | return get_av (name, create); |
336 | } |
414 | } |
337 | |
415 | |
338 | static HV * |
416 | static HV * ecb_noinline |
339 | coro_get_hv (pTHX_ const char *name, int create) |
417 | coro_get_hv (pTHX_ const char *name, int create) |
340 | { |
418 | { |
341 | #if PERL_VERSION_ATLEAST (5,10,0) |
419 | #if PERL_VERSION_ATLEAST (5,10,0) |
342 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
420 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
343 | get_hv (name, create); |
421 | get_hv (name, create); |
344 | #endif |
422 | #endif |
345 | return get_hv (name, create); |
423 | return get_hv (name, create); |
346 | } |
424 | } |
347 | |
425 | |
348 | INLINE void |
426 | ecb_inline void |
349 | coro_times_update () |
427 | coro_times_update (void) |
350 | { |
428 | { |
351 | #ifdef coro_clock_gettime |
429 | #ifdef coro_clock_gettime |
352 | struct timespec ts; |
430 | struct timespec ts; |
353 | |
431 | |
354 | ts.tv_sec = ts.tv_nsec = 0; |
432 | ts.tv_sec = ts.tv_nsec = 0; |
… | |
… | |
366 | time_real [0] = tv [0]; |
444 | time_real [0] = tv [0]; |
367 | time_real [1] = tv [1] * 1000; |
445 | time_real [1] = tv [1] * 1000; |
368 | #endif |
446 | #endif |
369 | } |
447 | } |
370 | |
448 | |
371 | INLINE void |
449 | ecb_inline void |
372 | coro_times_add (struct coro *c) |
450 | coro_times_add (struct coro *c) |
373 | { |
451 | { |
374 | c->t_real [1] += time_real [1]; |
452 | c->t_real [1] += time_real [1]; |
375 | if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } |
453 | if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } |
376 | c->t_real [0] += time_real [0]; |
454 | c->t_real [0] += time_real [0]; |
… | |
… | |
378 | c->t_cpu [1] += time_cpu [1]; |
456 | c->t_cpu [1] += time_cpu [1]; |
379 | if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } |
457 | if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } |
380 | c->t_cpu [0] += time_cpu [0]; |
458 | c->t_cpu [0] += time_cpu [0]; |
381 | } |
459 | } |
382 | |
460 | |
383 | INLINE void |
461 | ecb_inline void |
384 | coro_times_sub (struct coro *c) |
462 | coro_times_sub (struct coro *c) |
385 | { |
463 | { |
386 | if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } |
464 | if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } |
387 | c->t_real [1] -= time_real [1]; |
465 | c->t_real [1] -= time_real [1]; |
388 | c->t_real [0] -= time_real [0]; |
466 | c->t_real [0] -= time_real [0]; |
… | |
… | |
396 | /* magic glue */ |
474 | /* magic glue */ |
397 | |
475 | |
398 | #define CORO_MAGIC_type_cv 26 |
476 | #define CORO_MAGIC_type_cv 26 |
399 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
477 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
400 | |
478 | |
401 | #define CORO_MAGIC_NN(sv, type) \ |
479 | #define CORO_MAGIC_NN(sv, type) \ |
402 | (expect_true (SvMAGIC (sv)->mg_type == type) \ |
480 | (ecb_expect_true (SvMAGIC (sv)->mg_type == type) \ |
403 | ? SvMAGIC (sv) \ |
481 | ? SvMAGIC (sv) \ |
404 | : mg_find (sv, type)) |
482 | : mg_find (sv, type)) |
405 | |
483 | |
406 | #define CORO_MAGIC(sv, type) \ |
484 | #define CORO_MAGIC(sv, type) \ |
407 | (expect_true (SvMAGIC (sv)) \ |
485 | (ecb_expect_true (SvMAGIC (sv)) \ |
408 | ? CORO_MAGIC_NN (sv, type) \ |
486 | ? CORO_MAGIC_NN (sv, type) \ |
409 | : 0) |
487 | : 0) |
410 | |
488 | |
411 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
489 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
412 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
490 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
413 | |
491 | |
414 | INLINE struct coro * |
492 | ecb_inline MAGIC * |
|
|
493 | SvSTATEhv_p (pTHX_ SV *coro) |
|
|
494 | { |
|
|
495 | MAGIC *mg; |
|
|
496 | |
|
|
497 | if (ecb_expect_true ( |
|
|
498 | SvTYPE (coro) == SVt_PVHV |
|
|
499 | && (mg = CORO_MAGIC_state (coro)) |
|
|
500 | && mg->mg_virtual == &coro_state_vtbl |
|
|
501 | )) |
|
|
502 | return mg; |
|
|
503 | |
|
|
504 | return 0; |
|
|
505 | } |
|
|
506 | |
|
|
507 | ecb_inline struct coro * |
415 | SvSTATE_ (pTHX_ SV *coro) |
508 | SvSTATE_ (pTHX_ SV *coro) |
416 | { |
509 | { |
417 | HV *stash; |
|
|
418 | MAGIC *mg; |
510 | MAGIC *mg; |
419 | |
511 | |
420 | if (SvROK (coro)) |
512 | if (SvROK (coro)) |
421 | coro = SvRV (coro); |
513 | coro = SvRV (coro); |
422 | |
514 | |
423 | if (expect_false (SvTYPE (coro) != SVt_PVHV)) |
515 | mg = SvSTATEhv_p (aTHX_ coro); |
|
|
516 | if (!mg) |
424 | croak ("Coro::State object required"); |
517 | croak ("Coro::State object required"); |
425 | |
518 | |
426 | stash = SvSTASH (coro); |
|
|
427 | if (expect_false (stash != coro_stash && stash != coro_state_stash)) |
|
|
428 | { |
|
|
429 | /* very slow, but rare, check */ |
|
|
430 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
|
|
431 | croak ("Coro::State object required"); |
|
|
432 | } |
|
|
433 | |
|
|
434 | mg = CORO_MAGIC_state (coro); |
|
|
435 | return (struct coro *)mg->mg_ptr; |
519 | return (struct coro *)mg->mg_ptr; |
436 | } |
520 | } |
437 | |
521 | |
438 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
522 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
439 | |
523 | |
… | |
… | |
442 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
526 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
443 | |
527 | |
444 | /*****************************************************************************/ |
528 | /*****************************************************************************/ |
445 | /* padlist management and caching */ |
529 | /* padlist management and caching */ |
446 | |
530 | |
447 | static AV * |
531 | ecb_inline AV * |
448 | coro_derive_padlist (pTHX_ CV *cv) |
532 | coro_derive_padlist (pTHX_ CV *cv) |
449 | { |
533 | { |
450 | AV *padlist = CvPADLIST (cv); |
534 | AV *padlist = CvPADLIST (cv); |
451 | AV *newpadlist, *newpad; |
535 | AV *newpadlist, *newpad; |
452 | |
536 | |
… | |
… | |
464 | av_store (newpadlist, 1, (SV *)newpad); |
548 | av_store (newpadlist, 1, (SV *)newpad); |
465 | |
549 | |
466 | return newpadlist; |
550 | return newpadlist; |
467 | } |
551 | } |
468 | |
552 | |
469 | static void |
553 | ecb_inline void |
470 | free_padlist (pTHX_ AV *padlist) |
554 | free_padlist (pTHX_ AV *padlist) |
471 | { |
555 | { |
472 | /* may be during global destruction */ |
556 | /* may be during global destruction */ |
473 | if (!IN_DESTRUCT) |
557 | if (!IN_DESTRUCT) |
474 | { |
558 | { |
… | |
… | |
517 | 0, 0, 0, 0, |
601 | 0, 0, 0, 0, |
518 | coro_cv_free |
602 | coro_cv_free |
519 | }; |
603 | }; |
520 | |
604 | |
521 | /* the next two functions merely cache the padlists */ |
605 | /* the next two functions merely cache the padlists */ |
522 | static void |
606 | ecb_inline void |
523 | get_padlist (pTHX_ CV *cv) |
607 | get_padlist (pTHX_ CV *cv) |
524 | { |
608 | { |
525 | MAGIC *mg = CORO_MAGIC_cv (cv); |
609 | MAGIC *mg = CORO_MAGIC_cv (cv); |
526 | AV *av; |
610 | AV *av; |
527 | |
611 | |
528 | if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
612 | if (ecb_expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
529 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
613 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
530 | else |
614 | else |
531 | { |
615 | { |
532 | #if CORO_PREFER_PERL_FUNCTIONS |
616 | #if CORO_PREFER_PERL_FUNCTIONS |
533 | /* this is probably cleaner? but also slower! */ |
617 | /* this is probably cleaner? but also slower! */ |
… | |
… | |
540 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
624 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
541 | #endif |
625 | #endif |
542 | } |
626 | } |
543 | } |
627 | } |
544 | |
628 | |
545 | static void |
629 | ecb_inline void |
546 | put_padlist (pTHX_ CV *cv) |
630 | put_padlist (pTHX_ CV *cv) |
547 | { |
631 | { |
548 | MAGIC *mg = CORO_MAGIC_cv (cv); |
632 | MAGIC *mg = CORO_MAGIC_cv (cv); |
549 | AV *av; |
633 | AV *av; |
550 | |
634 | |
551 | if (expect_false (!mg)) |
635 | if (ecb_expect_false (!mg)) |
552 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
636 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
553 | |
637 | |
554 | av = (AV *)mg->mg_obj; |
638 | av = (AV *)mg->mg_obj; |
555 | |
639 | |
556 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
640 | if (ecb_expect_false (AvFILLp (av) >= AvMAX (av))) |
557 | av_extend (av, AvFILLp (av) + 1); |
641 | av_extend (av, AvFILLp (av) + 1); |
558 | |
642 | |
559 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
643 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
560 | } |
644 | } |
561 | |
645 | |
562 | /** load & save, init *******************************************************/ |
646 | /** load & save, init *******************************************************/ |
563 | |
647 | |
|
|
648 | ecb_inline void |
|
|
649 | swap_sv (SV *a, SV *b) |
|
|
650 | { |
|
|
651 | const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */ |
|
|
652 | SV tmp; |
|
|
653 | |
|
|
654 | /* swap sv_any */ |
|
|
655 | SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp); |
|
|
656 | |
|
|
657 | /* swap sv_flags */ |
|
|
658 | SvFLAGS (&tmp) = SvFLAGS (a); |
|
|
659 | SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep); |
|
|
660 | SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep); |
|
|
661 | |
|
|
662 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
663 | /* perl 5.10 and later complicates this _quite_ a bit, but it also |
|
|
664 | * is much faster, so no quarrels here. alternatively, we could |
|
|
665 | * sv_upgrade to avoid this. |
|
|
666 | */ |
|
|
667 | { |
|
|
668 | /* swap sv_u */ |
|
|
669 | tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u; |
|
|
670 | |
|
|
671 | /* if SvANY points to the head, we need to adjust the pointers, |
|
|
672 | * as the pointer for a still points to b, and maybe vice versa. |
|
|
673 | */ |
|
|
674 | #define svany_in_head(type) \ |
|
|
675 | (((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type))) |
|
|
676 | |
|
|
677 | if (svany_in_head (SvTYPE (a))) |
|
|
678 | SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a); |
|
|
679 | |
|
|
680 | if (svany_in_head (SvTYPE (b))) |
|
|
681 | SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b); |
|
|
682 | } |
|
|
683 | #endif |
|
|
684 | } |
|
|
685 | |
564 | /* swap sv heads, at least logically */ |
686 | /* swap sv heads, at least logically */ |
565 | static void |
687 | static void |
566 | swap_svs (pTHX_ Coro__State c) |
688 | swap_svs (pTHX_ Coro__State c) |
567 | { |
689 | { |
568 | int i; |
690 | int i; |
569 | |
691 | |
570 | for (i = 0; i <= AvFILLp (c->swap_sv); ) |
692 | for (i = 0; i <= AvFILLp (c->swap_sv); i += 2) |
571 | { |
693 | swap_sv (AvARRAY (c->swap_sv)[i], AvARRAY (c->swap_sv)[i + 1]); |
572 | SV *a = AvARRAY (c->swap_sv)[i++]; |
|
|
573 | SV *b = AvARRAY (c->swap_sv)[i++]; |
|
|
574 | |
|
|
575 | const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */ |
|
|
576 | SV tmp; |
|
|
577 | |
|
|
578 | /* swap sv_any */ |
|
|
579 | SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp); |
|
|
580 | |
|
|
581 | /* swap sv_flags */ |
|
|
582 | SvFLAGS (&tmp) = SvFLAGS (a); |
|
|
583 | SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep); |
|
|
584 | SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep); |
|
|
585 | |
|
|
586 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
587 | /* perl 5.10 complicates this _quite_ a bit, but it also is |
|
|
588 | * is much faster, so no quarrels here. alternatively, we could |
|
|
589 | * sv_upgrade to avoid this. |
|
|
590 | */ |
|
|
591 | { |
|
|
592 | /* swap sv_u */ |
|
|
593 | tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u; |
|
|
594 | |
|
|
595 | /* if SvANY points to the head, we need to adjust the pointers, |
|
|
596 | * as the pointer for a still points to b, and maybe vice versa. |
|
|
597 | */ |
|
|
598 | #define svany_in_head(type) \ |
|
|
599 | (((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type))) |
|
|
600 | |
|
|
601 | if (svany_in_head (SvTYPE (a))) |
|
|
602 | SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a); |
|
|
603 | |
|
|
604 | if (svany_in_head (SvTYPE (b))) |
|
|
605 | SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b); |
|
|
606 | } |
|
|
607 | #endif |
|
|
608 | } |
|
|
609 | } |
694 | } |
610 | |
695 | |
611 | #define SWAP_SVS(coro) \ |
696 | #define SWAP_SVS(coro) \ |
612 | if (expect_false ((coro)->swap_sv)) \ |
697 | if (ecb_expect_false ((coro)->swap_sv)) \ |
613 | swap_svs (aTHX_ (coro)) |
698 | swap_svs (aTHX_ (coro)) |
614 | |
699 | |
615 | static void |
700 | static void |
616 | on_enterleave_call (pTHX_ SV *cb); |
701 | on_enterleave_call (pTHX_ SV *cb); |
617 | |
702 | |
… | |
… | |
621 | perl_slots *slot = c->slot; |
706 | perl_slots *slot = c->slot; |
622 | c->slot = 0; |
707 | c->slot = 0; |
623 | |
708 | |
624 | PL_mainstack = c->mainstack; |
709 | PL_mainstack = c->mainstack; |
625 | |
710 | |
626 | GvSV (PL_defgv) = slot->defsv; |
711 | #if CORO_JIT |
627 | GvAV (PL_defgv) = slot->defav; |
712 | load_perl_slots (slot); |
628 | GvSV (PL_errgv) = slot->errsv; |
713 | #else |
629 | GvSV (irsgv) = slot->irsgv; |
|
|
630 | GvHV (PL_hintgv) = slot->hinthv; |
|
|
631 | |
|
|
632 | #define VAR(name,type) PL_ ## name = slot->name; |
714 | #define VARx(name,expr,type) expr = slot->name; |
633 | # include "state.h" |
715 | # include "state.h" |
634 | #undef VAR |
716 | #undef VARx |
|
|
717 | #endif |
635 | |
718 | |
636 | { |
719 | { |
637 | dSP; |
720 | dSP; |
638 | |
721 | |
639 | CV *cv; |
722 | CV *cv; |
640 | |
723 | |
641 | /* now do the ugly restore mess */ |
724 | /* now do the ugly restore mess */ |
642 | while (expect_true (cv = (CV *)POPs)) |
725 | while (ecb_expect_true (cv = (CV *)POPs)) |
643 | { |
726 | { |
644 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
727 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
645 | CvDEPTH (cv) = PTR2IV (POPs); |
728 | CvDEPTH (cv) = PTR2IV (POPs); |
646 | CvPADLIST (cv) = (AV *)POPs; |
729 | CvPADLIST (cv) = (AV *)POPs; |
647 | } |
730 | } |
… | |
… | |
650 | } |
733 | } |
651 | |
734 | |
652 | slf_frame = c->slf_frame; |
735 | slf_frame = c->slf_frame; |
653 | CORO_THROW = c->except; |
736 | CORO_THROW = c->except; |
654 | |
737 | |
655 | if (expect_false (enable_times)) |
738 | if (ecb_expect_false (enable_times)) |
656 | { |
739 | { |
657 | if (expect_false (!times_valid)) |
740 | if (ecb_expect_false (!times_valid)) |
658 | coro_times_update (); |
741 | coro_times_update (); |
659 | |
742 | |
660 | coro_times_sub (c); |
743 | coro_times_sub (c); |
661 | } |
744 | } |
662 | |
745 | |
663 | if (expect_false (c->on_enter)) |
746 | if (ecb_expect_false (c->on_enter)) |
664 | { |
747 | { |
665 | int i; |
748 | int i; |
666 | |
749 | |
667 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
750 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
668 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
751 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
… | |
… | |
674 | static void |
757 | static void |
675 | save_perl (pTHX_ Coro__State c) |
758 | save_perl (pTHX_ Coro__State c) |
676 | { |
759 | { |
677 | SWAP_SVS (c); |
760 | SWAP_SVS (c); |
678 | |
761 | |
679 | if (expect_false (c->on_leave)) |
762 | if (ecb_expect_false (c->on_leave)) |
680 | { |
763 | { |
681 | int i; |
764 | int i; |
682 | |
765 | |
683 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
766 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
684 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
767 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
685 | } |
768 | } |
686 | |
769 | |
687 | times_valid = 0; |
770 | times_valid = 0; |
688 | |
771 | |
689 | if (expect_false (enable_times)) |
772 | if (ecb_expect_false (enable_times)) |
690 | { |
773 | { |
691 | coro_times_update (); times_valid = 1; |
774 | coro_times_update (); times_valid = 1; |
692 | coro_times_add (c); |
775 | coro_times_add (c); |
693 | } |
776 | } |
694 | |
777 | |
… | |
… | |
708 | |
791 | |
709 | XPUSHs (Nullsv); |
792 | XPUSHs (Nullsv); |
710 | /* this loop was inspired by pp_caller */ |
793 | /* this loop was inspired by pp_caller */ |
711 | for (;;) |
794 | for (;;) |
712 | { |
795 | { |
713 | while (expect_true (cxix >= 0)) |
796 | while (ecb_expect_true (cxix >= 0)) |
714 | { |
797 | { |
715 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
798 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
716 | |
799 | |
717 | if (expect_true (CxTYPE (cx) == CXt_SUB) || expect_false (CxTYPE (cx) == CXt_FORMAT)) |
800 | if (ecb_expect_true (CxTYPE (cx) == CXt_SUB) || ecb_expect_false (CxTYPE (cx) == CXt_FORMAT)) |
718 | { |
801 | { |
719 | CV *cv = cx->blk_sub.cv; |
802 | CV *cv = cx->blk_sub.cv; |
720 | |
803 | |
721 | if (expect_true (CvDEPTH (cv))) |
804 | if (ecb_expect_true (CvDEPTH (cv))) |
722 | { |
805 | { |
723 | EXTEND (SP, 3); |
806 | EXTEND (SP, 3); |
724 | PUSHs ((SV *)CvPADLIST (cv)); |
807 | PUSHs ((SV *)CvPADLIST (cv)); |
725 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
808 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
726 | PUSHs ((SV *)cv); |
809 | PUSHs ((SV *)cv); |
… | |
… | |
729 | get_padlist (aTHX_ cv); |
812 | get_padlist (aTHX_ cv); |
730 | } |
813 | } |
731 | } |
814 | } |
732 | } |
815 | } |
733 | |
816 | |
734 | if (expect_true (top_si->si_type == PERLSI_MAIN)) |
817 | if (ecb_expect_true (top_si->si_type == PERLSI_MAIN)) |
735 | break; |
818 | break; |
736 | |
819 | |
737 | top_si = top_si->si_prev; |
820 | top_si = top_si->si_prev; |
738 | ccstk = top_si->si_cxstack; |
821 | ccstk = top_si->si_cxstack; |
739 | cxix = top_si->si_cxix; |
822 | cxix = top_si->si_cxix; |
… | |
… | |
741 | |
824 | |
742 | PUTBACK; |
825 | PUTBACK; |
743 | } |
826 | } |
744 | |
827 | |
745 | /* allocate some space on the context stack for our purposes */ |
828 | /* allocate some space on the context stack for our purposes */ |
746 | /* we manually unroll here, as usually 2 slots is enough */ |
829 | if (ecb_expect_false (cxstack_ix + (int)SLOT_COUNT >= cxstack_max)) |
747 | if (SLOT_COUNT >= 1) CXINC; |
|
|
748 | if (SLOT_COUNT >= 2) CXINC; |
|
|
749 | if (SLOT_COUNT >= 3) CXINC; |
|
|
750 | { |
830 | { |
751 | unsigned int i; |
831 | unsigned int i; |
|
|
832 | |
752 | for (i = 3; i < SLOT_COUNT; ++i) |
833 | for (i = 0; i < SLOT_COUNT; ++i) |
753 | CXINC; |
834 | CXINC; |
754 | } |
835 | |
755 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
836 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
|
|
837 | } |
756 | |
838 | |
757 | c->mainstack = PL_mainstack; |
839 | c->mainstack = PL_mainstack; |
758 | |
840 | |
759 | { |
841 | { |
760 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
842 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
761 | |
843 | |
762 | slot->defav = GvAV (PL_defgv); |
844 | #if CORO_JIT |
763 | slot->defsv = DEFSV; |
845 | save_perl_slots (slot); |
764 | slot->errsv = ERRSV; |
846 | #else |
765 | slot->irsgv = GvSV (irsgv); |
|
|
766 | slot->hinthv = GvHV (PL_hintgv); |
|
|
767 | |
|
|
768 | #define VAR(name,type) slot->name = PL_ ## name; |
847 | #define VARx(name,expr,type) slot->name = expr; |
769 | # include "state.h" |
848 | # include "state.h" |
770 | #undef VAR |
849 | #undef VARx |
|
|
850 | #endif |
771 | } |
851 | } |
772 | } |
852 | } |
773 | |
853 | |
774 | /* |
854 | /* |
775 | * allocate various perl stacks. This is almost an exact copy |
855 | * allocate various perl stacks. This is almost an exact copy |
… | |
… | |
781 | # define coro_init_stacks(thx) init_stacks () |
861 | # define coro_init_stacks(thx) init_stacks () |
782 | #else |
862 | #else |
783 | static void |
863 | static void |
784 | coro_init_stacks (pTHX) |
864 | coro_init_stacks (pTHX) |
785 | { |
865 | { |
786 | PL_curstackinfo = new_stackinfo(32, 8); |
866 | PL_curstackinfo = new_stackinfo(32, 4 + SLOT_COUNT); /* 3 is minimum due to perl rounding down in scope.c:GROW() */ |
787 | PL_curstackinfo->si_type = PERLSI_MAIN; |
867 | PL_curstackinfo->si_type = PERLSI_MAIN; |
788 | PL_curstack = PL_curstackinfo->si_stack; |
868 | PL_curstack = PL_curstackinfo->si_stack; |
789 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
869 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
790 | |
870 | |
791 | PL_stack_base = AvARRAY(PL_curstack); |
871 | PL_stack_base = AvARRAY(PL_curstack); |
… | |
… | |
806 | #endif |
886 | #endif |
807 | |
887 | |
808 | New(54,PL_scopestack,8,I32); |
888 | New(54,PL_scopestack,8,I32); |
809 | PL_scopestack_ix = 0; |
889 | PL_scopestack_ix = 0; |
810 | PL_scopestack_max = 8; |
890 | PL_scopestack_max = 8; |
|
|
891 | #if HAS_SCOPESTACK_NAME |
|
|
892 | New(54,PL_scopestack_name,8,const char*); |
|
|
893 | #endif |
811 | |
894 | |
812 | New(54,PL_savestack,24,ANY); |
895 | New(54,PL_savestack,24,ANY); |
813 | PL_savestack_ix = 0; |
896 | PL_savestack_ix = 0; |
814 | PL_savestack_max = 24; |
897 | PL_savestack_max = 24; |
815 | |
898 | |
… | |
… | |
843 | } |
926 | } |
844 | |
927 | |
845 | Safefree (PL_tmps_stack); |
928 | Safefree (PL_tmps_stack); |
846 | Safefree (PL_markstack); |
929 | Safefree (PL_markstack); |
847 | Safefree (PL_scopestack); |
930 | Safefree (PL_scopestack); |
|
|
931 | #if HAS_SCOPESTACK_NAME |
|
|
932 | Safefree (PL_scopestack_name); |
|
|
933 | #endif |
848 | Safefree (PL_savestack); |
934 | Safefree (PL_savestack); |
849 | #if !PERL_VERSION_ATLEAST (5,10,0) |
935 | #if !PERL_VERSION_ATLEAST (5,10,0) |
850 | Safefree (PL_retstack); |
936 | Safefree (PL_retstack); |
851 | #endif |
937 | #endif |
852 | } |
938 | } |
… | |
… | |
898 | #endif |
984 | #endif |
899 | |
985 | |
900 | /* |
986 | /* |
901 | * This overrides the default magic get method of %SIG elements. |
987 | * This overrides the default magic get method of %SIG elements. |
902 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
988 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
903 | * and instead of trying to save and restore the hash elements, we just provide |
989 | * and instead of trying to save and restore the hash elements (extremely slow), |
904 | * readback here. |
990 | * we just provide our own readback here. |
905 | */ |
991 | */ |
906 | static int |
992 | static int ecb_cold |
907 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
993 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
908 | { |
994 | { |
909 | const char *s = MgPV_nolen_const (mg); |
995 | const char *s = MgPV_nolen_const (mg); |
910 | |
996 | |
911 | if (*s == '_') |
997 | if (*s == '_') |
… | |
… | |
915 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
1001 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
916 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
1002 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
917 | |
1003 | |
918 | if (svp) |
1004 | if (svp) |
919 | { |
1005 | { |
920 | sv_setsv (sv, *svp ? *svp : &PL_sv_undef); |
1006 | SV *ssv; |
|
|
1007 | |
|
|
1008 | if (!*svp) |
|
|
1009 | ssv = &PL_sv_undef; |
|
|
1010 | else if (SvTYPE (*svp) == SVt_PVCV) /* perlio directly stores a CV in warnhook. ugh. */ |
|
|
1011 | ssv = sv_2mortal (newRV_inc (*svp)); |
|
|
1012 | else |
|
|
1013 | ssv = *svp; |
|
|
1014 | |
|
|
1015 | sv_setsv (sv, ssv); |
921 | return 0; |
1016 | return 0; |
922 | } |
1017 | } |
923 | } |
1018 | } |
924 | |
1019 | |
925 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
1020 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
926 | } |
1021 | } |
927 | |
1022 | |
928 | static int |
1023 | static int ecb_cold |
929 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
1024 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
930 | { |
1025 | { |
931 | const char *s = MgPV_nolen_const (mg); |
1026 | const char *s = MgPV_nolen_const (mg); |
932 | |
1027 | |
933 | if (*s == '_') |
1028 | if (*s == '_') |
… | |
… | |
947 | } |
1042 | } |
948 | |
1043 | |
949 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
1044 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
950 | } |
1045 | } |
951 | |
1046 | |
952 | static int |
1047 | static int ecb_cold |
953 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
1048 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
954 | { |
1049 | { |
955 | const char *s = MgPV_nolen_const (mg); |
1050 | const char *s = MgPV_nolen_const (mg); |
956 | |
1051 | |
957 | if (*s == '_') |
1052 | if (*s == '_') |
… | |
… | |
992 | return 1; |
1087 | return 1; |
993 | } |
1088 | } |
994 | |
1089 | |
995 | static UNOP init_perl_op; |
1090 | static UNOP init_perl_op; |
996 | |
1091 | |
997 | static void NOINLINE /* noinline to keep it out of the transfer fast path */ |
1092 | ecb_noinline static void /* noinline to keep it out of the transfer fast path */ |
998 | init_perl (pTHX_ struct coro *coro) |
1093 | init_perl (pTHX_ struct coro *coro) |
999 | { |
1094 | { |
1000 | /* |
1095 | /* |
1001 | * emulate part of the perl startup here. |
1096 | * emulate part of the perl startup here. |
1002 | */ |
1097 | */ |
… | |
… | |
1010 | PL_comppad_name_fill = 0; |
1105 | PL_comppad_name_fill = 0; |
1011 | PL_comppad_name_floor = 0; |
1106 | PL_comppad_name_floor = 0; |
1012 | PL_curpm = 0; |
1107 | PL_curpm = 0; |
1013 | PL_curpad = 0; |
1108 | PL_curpad = 0; |
1014 | PL_localizing = 0; |
1109 | PL_localizing = 0; |
1015 | PL_dirty = 0; |
|
|
1016 | PL_restartop = 0; |
1110 | PL_restartop = 0; |
1017 | #if PERL_VERSION_ATLEAST (5,10,0) |
1111 | #if PERL_VERSION_ATLEAST (5,10,0) |
1018 | PL_parser = 0; |
1112 | PL_parser = 0; |
1019 | #endif |
1113 | #endif |
1020 | PL_hints = 0; |
1114 | PL_hints = 0; |
1021 | |
1115 | |
1022 | /* recreate the die/warn hooks */ |
1116 | /* recreate the die/warn hooks */ |
1023 | PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); |
1117 | PL_diehook = SvREFCNT_inc (rv_diehook); |
1024 | PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook); |
1118 | PL_warnhook = SvREFCNT_inc (rv_warnhook); |
1025 | |
1119 | |
1026 | GvSV (PL_defgv) = newSV (0); |
1120 | GvSV (PL_defgv) = newSV (0); |
1027 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1121 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1028 | GvSV (PL_errgv) = newSV (0); |
1122 | GvSV (PL_errgv) = newSV (0); |
1029 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
1123 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
… | |
… | |
1050 | /* this newly created coroutine might be run on an existing cctx which most |
1144 | /* this newly created coroutine might be run on an existing cctx which most |
1051 | * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. |
1145 | * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. |
1052 | */ |
1146 | */ |
1053 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
1147 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
1054 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
1148 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
|
|
1149 | slf_frame.destroy = 0; |
1055 | |
1150 | |
1056 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
1151 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
1057 | init_perl_op.op_next = PL_op; |
1152 | init_perl_op.op_next = PL_op; |
1058 | init_perl_op.op_type = OP_ENTERSUB; |
1153 | init_perl_op.op_type = OP_ENTERSUB; |
1059 | init_perl_op.op_ppaddr = pp_slf; |
1154 | init_perl_op.op_ppaddr = pp_slf; |
… | |
… | |
1064 | /* copy throw, in case it was set before init_perl */ |
1159 | /* copy throw, in case it was set before init_perl */ |
1065 | CORO_THROW = coro->except; |
1160 | CORO_THROW = coro->except; |
1066 | |
1161 | |
1067 | SWAP_SVS (coro); |
1162 | SWAP_SVS (coro); |
1068 | |
1163 | |
1069 | if (expect_false (enable_times)) |
1164 | if (ecb_expect_false (enable_times)) |
1070 | { |
1165 | { |
1071 | coro_times_update (); |
1166 | coro_times_update (); |
1072 | coro_times_sub (coro); |
1167 | coro_times_sub (coro); |
1073 | } |
1168 | } |
1074 | } |
1169 | } |
… | |
… | |
1098 | destroy_perl (pTHX_ struct coro *coro) |
1193 | destroy_perl (pTHX_ struct coro *coro) |
1099 | { |
1194 | { |
1100 | SV *svf [9]; |
1195 | SV *svf [9]; |
1101 | |
1196 | |
1102 | { |
1197 | { |
|
|
1198 | SV *old_current = SvRV (coro_current); |
1103 | struct coro *current = SvSTATE_current; |
1199 | struct coro *current = SvSTATE (old_current); |
1104 | |
1200 | |
1105 | assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack)); |
1201 | assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack)); |
1106 | |
1202 | |
1107 | save_perl (aTHX_ current); |
1203 | save_perl (aTHX_ current); |
|
|
1204 | |
|
|
1205 | /* this will cause transfer_check to croak on block*/ |
|
|
1206 | SvRV_set (coro_current, (SV *)coro->hv); |
|
|
1207 | |
1108 | load_perl (aTHX_ coro); |
1208 | load_perl (aTHX_ coro); |
1109 | |
1209 | |
1110 | coro_unwind_stacks (aTHX); |
1210 | coro_unwind_stacks (aTHX); |
1111 | coro_destruct_stacks (aTHX); |
|
|
1112 | |
1211 | |
1113 | /* restore swapped sv's */ |
1212 | /* restore swapped sv's */ |
1114 | SWAP_SVS (coro); |
1213 | SWAP_SVS (coro); |
1115 | |
1214 | |
|
|
1215 | coro_destruct_stacks (aTHX); |
|
|
1216 | |
1116 | // now save some sv's to be free'd later |
1217 | /* now save some sv's to be free'd later */ |
1117 | svf [0] = GvSV (PL_defgv); |
1218 | svf [0] = GvSV (PL_defgv); |
1118 | svf [1] = (SV *)GvAV (PL_defgv); |
1219 | svf [1] = (SV *)GvAV (PL_defgv); |
1119 | svf [2] = GvSV (PL_errgv); |
1220 | svf [2] = GvSV (PL_errgv); |
1120 | svf [3] = (SV *)PL_defoutgv; |
1221 | svf [3] = (SV *)PL_defoutgv; |
1121 | svf [4] = PL_rs; |
1222 | svf [4] = PL_rs; |
… | |
… | |
1123 | svf [6] = (SV *)GvHV (PL_hintgv); |
1224 | svf [6] = (SV *)GvHV (PL_hintgv); |
1124 | svf [7] = PL_diehook; |
1225 | svf [7] = PL_diehook; |
1125 | svf [8] = PL_warnhook; |
1226 | svf [8] = PL_warnhook; |
1126 | assert (9 == sizeof (svf) / sizeof (*svf)); |
1227 | assert (9 == sizeof (svf) / sizeof (*svf)); |
1127 | |
1228 | |
|
|
1229 | SvRV_set (coro_current, old_current); |
|
|
1230 | |
1128 | load_perl (aTHX_ current); |
1231 | load_perl (aTHX_ current); |
1129 | } |
1232 | } |
1130 | |
1233 | |
1131 | { |
1234 | { |
1132 | unsigned int i; |
1235 | unsigned int i; |
… | |
… | |
1139 | SvREFCNT_dec (coro->invoke_cb); |
1242 | SvREFCNT_dec (coro->invoke_cb); |
1140 | SvREFCNT_dec (coro->invoke_av); |
1243 | SvREFCNT_dec (coro->invoke_av); |
1141 | } |
1244 | } |
1142 | } |
1245 | } |
1143 | |
1246 | |
1144 | INLINE void |
1247 | ecb_inline void |
1145 | free_coro_mortal (pTHX) |
1248 | free_coro_mortal (pTHX) |
1146 | { |
1249 | { |
1147 | if (expect_true (coro_mortal)) |
1250 | if (ecb_expect_true (coro_mortal)) |
1148 | { |
1251 | { |
1149 | SvREFCNT_dec (coro_mortal); |
1252 | SvREFCNT_dec ((SV *)coro_mortal); |
1150 | coro_mortal = 0; |
1253 | coro_mortal = 0; |
1151 | } |
1254 | } |
1152 | } |
1255 | } |
1153 | |
1256 | |
1154 | static int |
1257 | static int |
… | |
… | |
1287 | |
1390 | |
1288 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1391 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1289 | } |
1392 | } |
1290 | |
1393 | |
1291 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1394 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1292 | static void NOINLINE |
1395 | static void ecb_noinline |
1293 | cctx_prepare (pTHX) |
1396 | cctx_prepare (pTHX) |
1294 | { |
1397 | { |
1295 | PL_top_env = &PL_start_env; |
1398 | PL_top_env = &PL_start_env; |
1296 | |
1399 | |
1297 | if (cctx_current->flags & CC_TRACE) |
1400 | if (cctx_current->flags & CC_TRACE) |
… | |
… | |
1308 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1411 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1309 | slf_frame.check = slf_check_set_stacklevel; |
1412 | slf_frame.check = slf_check_set_stacklevel; |
1310 | } |
1413 | } |
1311 | |
1414 | |
1312 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1415 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1313 | INLINE void |
1416 | ecb_inline void |
1314 | transfer_tail (pTHX) |
1417 | transfer_tail (pTHX) |
1315 | { |
1418 | { |
1316 | free_coro_mortal (aTHX); |
1419 | free_coro_mortal (aTHX); |
|
|
1420 | } |
|
|
1421 | |
|
|
1422 | /* try to exit the same way perl's main function would do */ |
|
|
1423 | /* we do not bother resetting the environment or other things *7 |
|
|
1424 | /* that are not, uhm, essential */ |
|
|
1425 | /* this obviously also doesn't work when perl is embedded */ |
|
|
1426 | static void ecb_noinline ecb_cold |
|
|
1427 | perlish_exit (void) |
|
|
1428 | { |
|
|
1429 | int exitstatus = perl_destruct (PL_curinterp); |
|
|
1430 | perl_free (PL_curinterp); |
|
|
1431 | exit (exitstatus); |
1317 | } |
1432 | } |
1318 | |
1433 | |
1319 | /* |
1434 | /* |
1320 | * this is a _very_ stripped down perl interpreter ;) |
1435 | * this is a _very_ stripped down perl interpreter ;) |
1321 | */ |
1436 | */ |
… | |
… | |
1350 | */ |
1465 | */ |
1351 | |
1466 | |
1352 | /* |
1467 | /* |
1353 | * If perl-run returns we assume exit() was being called or the coro |
1468 | * If perl-run returns we assume exit() was being called or the coro |
1354 | * fell off the end, which seems to be the only valid (non-bug) |
1469 | * fell off the end, which seems to be the only valid (non-bug) |
1355 | * reason for perl_run to return. We try to exit by jumping to the |
1470 | * reason for perl_run to return. We try to mimic whatever perl is normally |
1356 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
1471 | * doing in that case. YMMV. |
1357 | * coroutine as Coro has no such concept. |
|
|
1358 | * This actually isn't valid with the pthread backend, but OSes requiring |
|
|
1359 | * that backend are too broken to do it in a standards-compliant way. |
|
|
1360 | */ |
1472 | */ |
1361 | PL_top_env = main_top_env; |
1473 | perlish_exit (); |
1362 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
|
|
1363 | } |
1474 | } |
1364 | } |
1475 | } |
1365 | |
1476 | |
1366 | static coro_cctx * |
1477 | static coro_cctx * |
1367 | cctx_new () |
1478 | cctx_new (void) |
1368 | { |
1479 | { |
1369 | coro_cctx *cctx; |
1480 | coro_cctx *cctx; |
1370 | |
1481 | |
1371 | ++cctx_count; |
1482 | ++cctx_count; |
1372 | New (0, cctx, 1, coro_cctx); |
1483 | New (0, cctx, 1, coro_cctx); |
… | |
… | |
1378 | return cctx; |
1489 | return cctx; |
1379 | } |
1490 | } |
1380 | |
1491 | |
1381 | /* create a new cctx only suitable as source */ |
1492 | /* create a new cctx only suitable as source */ |
1382 | static coro_cctx * |
1493 | static coro_cctx * |
1383 | cctx_new_empty () |
1494 | cctx_new_empty (void) |
1384 | { |
1495 | { |
1385 | coro_cctx *cctx = cctx_new (); |
1496 | coro_cctx *cctx = cctx_new (); |
1386 | |
1497 | |
1387 | cctx->sptr = 0; |
1498 | cctx->sptr = 0; |
1388 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
1499 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
… | |
… | |
1390 | return cctx; |
1501 | return cctx; |
1391 | } |
1502 | } |
1392 | |
1503 | |
1393 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1504 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1394 | static coro_cctx * |
1505 | static coro_cctx * |
1395 | cctx_new_run () |
1506 | cctx_new_run (void) |
1396 | { |
1507 | { |
1397 | coro_cctx *cctx = cctx_new (); |
1508 | coro_cctx *cctx = cctx_new (); |
1398 | void *stack_start; |
1509 | void *stack_start; |
1399 | size_t stack_size; |
1510 | size_t stack_size; |
1400 | |
1511 | |
1401 | #if HAVE_MMAP |
1512 | #if HAVE_MMAP |
1402 | cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
1513 | cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
1403 | /* mmap supposedly does allocate-on-write for us */ |
1514 | /* mmap supposedly does allocate-on-write for us */ |
1404 | cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
1515 | cctx->sptr = mmap (0, cctx->ssize, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_ANONYMOUS, 0, 0); |
1405 | |
1516 | |
1406 | if (cctx->sptr != (void *)-1) |
1517 | if (cctx->sptr != (void *)-1) |
1407 | { |
1518 | { |
1408 | #if CORO_STACKGUARD |
1519 | #if CORO_STACKGUARD |
1409 | mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); |
1520 | mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); |
… | |
… | |
1441 | cctx_destroy (coro_cctx *cctx) |
1552 | cctx_destroy (coro_cctx *cctx) |
1442 | { |
1553 | { |
1443 | if (!cctx) |
1554 | if (!cctx) |
1444 | return; |
1555 | return; |
1445 | |
1556 | |
1446 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));//D temporary? |
1557 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current)); |
1447 | |
1558 | |
1448 | --cctx_count; |
1559 | --cctx_count; |
1449 | coro_destroy (&cctx->cctx); |
1560 | coro_destroy (&cctx->cctx); |
1450 | |
1561 | |
1451 | /* coro_transfer creates new, empty cctx's */ |
1562 | /* coro_transfer creates new, empty cctx's */ |
… | |
… | |
1470 | #define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) |
1581 | #define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) |
1471 | |
1582 | |
1472 | static coro_cctx * |
1583 | static coro_cctx * |
1473 | cctx_get (pTHX) |
1584 | cctx_get (pTHX) |
1474 | { |
1585 | { |
1475 | while (expect_true (cctx_first)) |
1586 | while (ecb_expect_true (cctx_first)) |
1476 | { |
1587 | { |
1477 | coro_cctx *cctx = cctx_first; |
1588 | coro_cctx *cctx = cctx_first; |
1478 | cctx_first = cctx->next; |
1589 | cctx_first = cctx->next; |
1479 | --cctx_idle; |
1590 | --cctx_idle; |
1480 | |
1591 | |
1481 | if (expect_true (!CCTX_EXPIRED (cctx))) |
1592 | if (ecb_expect_true (!CCTX_EXPIRED (cctx))) |
1482 | return cctx; |
1593 | return cctx; |
1483 | |
1594 | |
1484 | cctx_destroy (cctx); |
1595 | cctx_destroy (cctx); |
1485 | } |
1596 | } |
1486 | |
1597 | |
… | |
… | |
1491 | cctx_put (coro_cctx *cctx) |
1602 | cctx_put (coro_cctx *cctx) |
1492 | { |
1603 | { |
1493 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr)); |
1604 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr)); |
1494 | |
1605 | |
1495 | /* free another cctx if overlimit */ |
1606 | /* free another cctx if overlimit */ |
1496 | if (expect_false (cctx_idle >= cctx_max_idle)) |
1607 | if (ecb_expect_false (cctx_idle >= cctx_max_idle)) |
1497 | { |
1608 | { |
1498 | coro_cctx *first = cctx_first; |
1609 | coro_cctx *first = cctx_first; |
1499 | cctx_first = first->next; |
1610 | cctx_first = first->next; |
1500 | --cctx_idle; |
1611 | --cctx_idle; |
1501 | |
1612 | |
… | |
… | |
1512 | static void |
1623 | static void |
1513 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1624 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1514 | { |
1625 | { |
1515 | /* TODO: throwing up here is considered harmful */ |
1626 | /* TODO: throwing up here is considered harmful */ |
1516 | |
1627 | |
1517 | if (expect_true (prev != next)) |
1628 | if (ecb_expect_true (prev != next)) |
1518 | { |
1629 | { |
1519 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1630 | if (ecb_expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1520 | croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); |
1631 | croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); |
1521 | |
1632 | |
1522 | if (expect_false (next->flags & (CF_RUNNING | CF_DESTROYED | CF_SUSPENDED))) |
1633 | if (ecb_expect_false (next->flags & (CF_RUNNING | CF_ZOMBIE | CF_SUSPENDED))) |
1523 | croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); |
1634 | croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); |
1524 | |
1635 | |
1525 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1636 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1526 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1637 | if (ecb_expect_false (PL_lex_state != LEX_NOTPARSING)) |
1527 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1638 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1528 | #endif |
1639 | #endif |
1529 | } |
1640 | } |
1530 | } |
1641 | } |
1531 | |
1642 | |
1532 | /* always use the TRANSFER macro */ |
1643 | /* always use the TRANSFER macro */ |
1533 | static void NOINLINE /* noinline so we have a fixed stackframe */ |
1644 | static void ecb_noinline /* noinline so we have a fixed stackframe */ |
1534 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1645 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1535 | { |
1646 | { |
1536 | dSTACKLEVEL; |
1647 | dSTACKLEVEL; |
1537 | |
1648 | |
1538 | /* sometimes transfer is only called to set idle_sp */ |
1649 | /* sometimes transfer is only called to set idle_sp */ |
1539 | if (expect_false (!prev)) |
1650 | if (ecb_expect_false (!prev)) |
1540 | { |
1651 | { |
1541 | cctx_current->idle_sp = STACKLEVEL; |
1652 | cctx_current->idle_sp = STACKLEVEL; |
1542 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1653 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1543 | } |
1654 | } |
1544 | else if (expect_true (prev != next)) |
1655 | else if (ecb_expect_true (prev != next)) |
1545 | { |
1656 | { |
1546 | coro_cctx *cctx_prev; |
1657 | coro_cctx *cctx_prev; |
1547 | |
1658 | |
1548 | if (expect_false (prev->flags & CF_NEW)) |
1659 | if (ecb_expect_false (prev->flags & CF_NEW)) |
1549 | { |
1660 | { |
1550 | /* create a new empty/source context */ |
1661 | /* create a new empty/source context */ |
1551 | prev->flags &= ~CF_NEW; |
1662 | prev->flags &= ~CF_NEW; |
1552 | prev->flags |= CF_RUNNING; |
1663 | prev->flags |= CF_RUNNING; |
1553 | } |
1664 | } |
… | |
… | |
1556 | next->flags |= CF_RUNNING; |
1667 | next->flags |= CF_RUNNING; |
1557 | |
1668 | |
1558 | /* first get rid of the old state */ |
1669 | /* first get rid of the old state */ |
1559 | save_perl (aTHX_ prev); |
1670 | save_perl (aTHX_ prev); |
1560 | |
1671 | |
1561 | if (expect_false (next->flags & CF_NEW)) |
1672 | if (ecb_expect_false (next->flags & CF_NEW)) |
1562 | { |
1673 | { |
1563 | /* need to start coroutine */ |
1674 | /* need to start coroutine */ |
1564 | next->flags &= ~CF_NEW; |
1675 | next->flags &= ~CF_NEW; |
1565 | /* setup coroutine call */ |
1676 | /* setup coroutine call */ |
1566 | init_perl (aTHX_ next); |
1677 | init_perl (aTHX_ next); |
1567 | } |
1678 | } |
1568 | else |
1679 | else |
1569 | load_perl (aTHX_ next); |
1680 | load_perl (aTHX_ next); |
1570 | |
1681 | |
1571 | /* possibly untie and reuse the cctx */ |
1682 | /* possibly untie and reuse the cctx */ |
1572 | if (expect_true ( |
1683 | if (ecb_expect_true ( |
1573 | cctx_current->idle_sp == STACKLEVEL |
1684 | cctx_current->idle_sp == STACKLEVEL |
1574 | && !(cctx_current->flags & CC_TRACE) |
1685 | && !(cctx_current->flags & CC_TRACE) |
1575 | && !force_cctx |
1686 | && !force_cctx |
1576 | )) |
1687 | )) |
1577 | { |
1688 | { |
1578 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1689 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1579 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1690 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1580 | |
1691 | |
1581 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1692 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1582 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1693 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1583 | if (expect_false (CCTX_EXPIRED (cctx_current))) |
1694 | if (ecb_expect_false (CCTX_EXPIRED (cctx_current))) |
1584 | if (expect_true (!next->cctx)) |
1695 | if (ecb_expect_true (!next->cctx)) |
1585 | next->cctx = cctx_get (aTHX); |
1696 | next->cctx = cctx_get (aTHX); |
1586 | |
1697 | |
1587 | cctx_put (cctx_current); |
1698 | cctx_put (cctx_current); |
1588 | } |
1699 | } |
1589 | else |
1700 | else |
1590 | prev->cctx = cctx_current; |
1701 | prev->cctx = cctx_current; |
1591 | |
1702 | |
1592 | ++next->usecount; |
1703 | ++next->usecount; |
1593 | |
1704 | |
1594 | cctx_prev = cctx_current; |
1705 | cctx_prev = cctx_current; |
1595 | cctx_current = expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1706 | cctx_current = ecb_expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1596 | |
1707 | |
1597 | next->cctx = 0; |
1708 | next->cctx = 0; |
1598 | |
1709 | |
1599 | if (expect_false (cctx_prev != cctx_current)) |
1710 | if (ecb_expect_false (cctx_prev != cctx_current)) |
1600 | { |
1711 | { |
1601 | cctx_prev->top_env = PL_top_env; |
1712 | cctx_prev->top_env = PL_top_env; |
1602 | PL_top_env = cctx_current->top_env; |
1713 | PL_top_env = cctx_current->top_env; |
1603 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1714 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1604 | } |
1715 | } |
… | |
… | |
1610 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1721 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1611 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1722 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1612 | |
1723 | |
1613 | /** high level stuff ********************************************************/ |
1724 | /** high level stuff ********************************************************/ |
1614 | |
1725 | |
|
|
1726 | /* this function is actually Coro, not Coro::State, but we call it from here */ |
|
|
1727 | /* because it is convenient - but it hasn't been declared yet for that reason */ |
1615 | static int |
1728 | static void |
|
|
1729 | coro_call_on_destroy (pTHX_ struct coro *coro); |
|
|
1730 | |
|
|
1731 | static void |
1616 | coro_state_destroy (pTHX_ struct coro *coro) |
1732 | coro_state_destroy (pTHX_ struct coro *coro) |
1617 | { |
1733 | { |
1618 | if (coro->flags & CF_DESTROYED) |
1734 | if (coro->flags & CF_ZOMBIE) |
1619 | return 0; |
1735 | return; |
1620 | |
1736 | |
1621 | if (coro->on_destroy && !PL_dirty) |
|
|
1622 | coro->on_destroy (aTHX_ coro); |
1737 | slf_destroy (aTHX_ coro); |
1623 | |
1738 | |
1624 | coro->flags |= CF_DESTROYED; |
1739 | coro->flags |= CF_ZOMBIE; |
1625 | |
1740 | |
1626 | if (coro->flags & CF_READY) |
1741 | if (coro->flags & CF_READY) |
1627 | { |
1742 | { |
1628 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1743 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1629 | /* alternative: look through all ready queues and remove the coro */ |
1744 | /* alternative: look through all ready queues and remove the coro */ |
1630 | --coro_nready; |
1745 | --coro_nready; |
1631 | } |
1746 | } |
1632 | else |
1747 | else |
1633 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
1748 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
|
|
1749 | |
|
|
1750 | if (coro->next) coro->next->prev = coro->prev; |
|
|
1751 | if (coro->prev) coro->prev->next = coro->next; |
|
|
1752 | if (coro == coro_first) coro_first = coro->next; |
1634 | |
1753 | |
1635 | if (coro->mainstack |
1754 | if (coro->mainstack |
1636 | && coro->mainstack != main_mainstack |
1755 | && coro->mainstack != main_mainstack |
1637 | && coro->slot |
1756 | && coro->slot |
1638 | && !PL_dirty) |
1757 | && !PL_dirty) |
1639 | destroy_perl (aTHX_ coro); |
1758 | destroy_perl (aTHX_ coro); |
1640 | |
1759 | |
1641 | if (coro->next) coro->next->prev = coro->prev; |
|
|
1642 | if (coro->prev) coro->prev->next = coro->next; |
|
|
1643 | if (coro == coro_first) coro_first = coro->next; |
|
|
1644 | |
|
|
1645 | cctx_destroy (coro->cctx); |
1760 | cctx_destroy (coro->cctx); |
1646 | SvREFCNT_dec (coro->startcv); |
1761 | SvREFCNT_dec (coro->startcv); |
1647 | SvREFCNT_dec (coro->args); |
1762 | SvREFCNT_dec (coro->args); |
1648 | SvREFCNT_dec (coro->swap_sv); |
1763 | SvREFCNT_dec (coro->swap_sv); |
1649 | SvREFCNT_dec (CORO_THROW); |
1764 | SvREFCNT_dec (CORO_THROW); |
1650 | |
1765 | |
1651 | return 1; |
1766 | coro_call_on_destroy (aTHX_ coro); |
|
|
1767 | |
|
|
1768 | /* more destruction mayhem in coro_state_free */ |
1652 | } |
1769 | } |
1653 | |
1770 | |
1654 | static int |
1771 | static int |
1655 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1772 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1656 | { |
1773 | { |
1657 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1774 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1658 | mg->mg_ptr = 0; |
1775 | mg->mg_ptr = 0; |
1659 | |
1776 | |
1660 | coro->hv = 0; |
|
|
1661 | |
|
|
1662 | if (--coro->refcnt < 0) |
|
|
1663 | { |
|
|
1664 | coro_state_destroy (aTHX_ coro); |
1777 | coro_state_destroy (aTHX_ coro); |
|
|
1778 | SvREFCNT_dec (coro->on_destroy); |
|
|
1779 | SvREFCNT_dec (coro->status); |
|
|
1780 | |
1665 | Safefree (coro); |
1781 | Safefree (coro); |
1666 | } |
|
|
1667 | |
1782 | |
1668 | return 0; |
1783 | return 0; |
1669 | } |
1784 | } |
1670 | |
1785 | |
1671 | static int |
1786 | static int ecb_cold |
1672 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1787 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1673 | { |
1788 | { |
1674 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1789 | /* called when perl clones the current process the slow way (windows process emulation) */ |
1675 | |
1790 | /* WE SIMply nuke the pointers in the copy, causing perl to croak */ |
1676 | ++coro->refcnt; |
1791 | mg->mg_ptr = 0; |
|
|
1792 | mg->mg_virtual = 0; |
1677 | |
1793 | |
1678 | return 0; |
1794 | return 0; |
1679 | } |
1795 | } |
1680 | |
1796 | |
1681 | static MGVTBL coro_state_vtbl = { |
1797 | static MGVTBL coro_state_vtbl = { |
… | |
… | |
1706 | TRANSFER (ta, 1); |
1822 | TRANSFER (ta, 1); |
1707 | } |
1823 | } |
1708 | |
1824 | |
1709 | /** Coro ********************************************************************/ |
1825 | /** Coro ********************************************************************/ |
1710 | |
1826 | |
1711 | INLINE void |
1827 | ecb_inline void |
1712 | coro_enq (pTHX_ struct coro *coro) |
1828 | coro_enq (pTHX_ struct coro *coro) |
1713 | { |
1829 | { |
1714 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1830 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1715 | |
1831 | |
1716 | SvREFCNT_inc_NN (coro->hv); |
1832 | SvREFCNT_inc_NN (coro->hv); |
… | |
… | |
1718 | coro->next_ready = 0; |
1834 | coro->next_ready = 0; |
1719 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
1835 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
1720 | ready [1] = coro; |
1836 | ready [1] = coro; |
1721 | } |
1837 | } |
1722 | |
1838 | |
1723 | INLINE struct coro * |
1839 | ecb_inline struct coro * |
1724 | coro_deq (pTHX) |
1840 | coro_deq (pTHX) |
1725 | { |
1841 | { |
1726 | int prio; |
1842 | int prio; |
1727 | |
1843 | |
1728 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
1844 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
… | |
… | |
1781 | { |
1897 | { |
1782 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1898 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1783 | } |
1899 | } |
1784 | |
1900 | |
1785 | /* expects to own a reference to next->hv */ |
1901 | /* expects to own a reference to next->hv */ |
1786 | INLINE void |
1902 | ecb_inline void |
1787 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1903 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1788 | { |
1904 | { |
1789 | SV *prev_sv = SvRV (coro_current); |
1905 | SV *prev_sv = SvRV (coro_current); |
1790 | |
1906 | |
1791 | ta->prev = SvSTATE_hv (prev_sv); |
1907 | ta->prev = SvSTATE_hv (prev_sv); |
… | |
… | |
1804 | { |
1920 | { |
1805 | for (;;) |
1921 | for (;;) |
1806 | { |
1922 | { |
1807 | struct coro *next = coro_deq (aTHX); |
1923 | struct coro *next = coro_deq (aTHX); |
1808 | |
1924 | |
1809 | if (expect_true (next)) |
1925 | if (ecb_expect_true (next)) |
1810 | { |
1926 | { |
1811 | /* cannot transfer to destroyed coros, skip and look for next */ |
1927 | /* cannot transfer to destroyed coros, skip and look for next */ |
1812 | if (expect_false (next->flags & (CF_DESTROYED | CF_SUSPENDED))) |
1928 | if (ecb_expect_false (next->flags & (CF_ZOMBIE | CF_SUSPENDED))) |
1813 | SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ |
1929 | SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ |
1814 | else |
1930 | else |
1815 | { |
1931 | { |
1816 | next->flags &= ~CF_READY; |
1932 | next->flags &= ~CF_READY; |
1817 | --coro_nready; |
1933 | --coro_nready; |
… | |
… | |
1850 | } |
1966 | } |
1851 | } |
1967 | } |
1852 | } |
1968 | } |
1853 | } |
1969 | } |
1854 | |
1970 | |
1855 | INLINE void |
1971 | ecb_inline void |
1856 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1972 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1857 | { |
1973 | { |
1858 | api_ready (aTHX_ coro_current); |
1974 | api_ready (aTHX_ coro_current); |
1859 | prepare_schedule (aTHX_ ta); |
1975 | prepare_schedule (aTHX_ ta); |
1860 | } |
1976 | } |
1861 | |
1977 | |
1862 | INLINE void |
1978 | ecb_inline void |
1863 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
1979 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
1864 | { |
1980 | { |
1865 | SV *prev = SvRV (coro_current); |
1981 | SV *prev = SvRV (coro_current); |
1866 | |
1982 | |
1867 | if (coro_nready) |
1983 | if (coro_nready) |
… | |
… | |
1897 | { |
2013 | { |
1898 | struct coro_transfer_args ta; |
2014 | struct coro_transfer_args ta; |
1899 | |
2015 | |
1900 | prepare_cede (aTHX_ &ta); |
2016 | prepare_cede (aTHX_ &ta); |
1901 | |
2017 | |
1902 | if (expect_true (ta.prev != ta.next)) |
2018 | if (ecb_expect_true (ta.prev != ta.next)) |
1903 | { |
2019 | { |
1904 | TRANSFER (ta, 1); |
2020 | TRANSFER (ta, 1); |
1905 | return 1; |
2021 | return 1; |
1906 | } |
2022 | } |
1907 | else |
2023 | else |
… | |
… | |
1950 | coro->slot->runops = RUNOPS_DEFAULT; |
2066 | coro->slot->runops = RUNOPS_DEFAULT; |
1951 | } |
2067 | } |
1952 | } |
2068 | } |
1953 | |
2069 | |
1954 | static void |
2070 | static void |
|
|
2071 | coro_push_av (pTHX_ AV *av, I32 gimme_v) |
|
|
2072 | { |
|
|
2073 | if (AvFILLp (av) >= 0 && gimme_v != G_VOID) |
|
|
2074 | { |
|
|
2075 | dSP; |
|
|
2076 | |
|
|
2077 | if (gimme_v == G_SCALAR) |
|
|
2078 | XPUSHs (AvARRAY (av)[AvFILLp (av)]); |
|
|
2079 | else |
|
|
2080 | { |
|
|
2081 | int i; |
|
|
2082 | EXTEND (SP, AvFILLp (av) + 1); |
|
|
2083 | |
|
|
2084 | for (i = 0; i <= AvFILLp (av); ++i) |
|
|
2085 | PUSHs (AvARRAY (av)[i]); |
|
|
2086 | } |
|
|
2087 | |
|
|
2088 | PUTBACK; |
|
|
2089 | } |
|
|
2090 | } |
|
|
2091 | |
|
|
2092 | static void |
|
|
2093 | coro_push_on_destroy (pTHX_ struct coro *coro, SV *cb) |
|
|
2094 | { |
|
|
2095 | if (!coro->on_destroy) |
|
|
2096 | coro->on_destroy = newAV (); |
|
|
2097 | |
|
|
2098 | av_push (coro->on_destroy, cb); |
|
|
2099 | } |
|
|
2100 | |
|
|
2101 | static void |
|
|
2102 | slf_destroy_join (pTHX_ struct CoroSLF *frame) |
|
|
2103 | { |
|
|
2104 | SvREFCNT_dec ((SV *)((struct coro *)frame->data)->hv); |
|
|
2105 | } |
|
|
2106 | |
|
|
2107 | static int |
|
|
2108 | slf_check_join (pTHX_ struct CoroSLF *frame) |
|
|
2109 | { |
|
|
2110 | struct coro *coro = (struct coro *)frame->data; |
|
|
2111 | |
|
|
2112 | if (!coro->status) |
|
|
2113 | return 1; |
|
|
2114 | |
|
|
2115 | frame->destroy = 0; |
|
|
2116 | |
|
|
2117 | coro_push_av (aTHX_ coro->status, GIMME_V); |
|
|
2118 | |
|
|
2119 | SvREFCNT_dec ((SV *)coro->hv); |
|
|
2120 | |
|
|
2121 | return 0; |
|
|
2122 | } |
|
|
2123 | |
|
|
2124 | static void |
|
|
2125 | slf_init_join (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2126 | { |
|
|
2127 | struct coro *coro = SvSTATE (items > 0 ? arg [0] : &PL_sv_undef); |
|
|
2128 | |
|
|
2129 | if (items > 1) |
|
|
2130 | croak ("join called with too many arguments"); |
|
|
2131 | |
|
|
2132 | if (coro->status) |
|
|
2133 | frame->prepare = prepare_nop; |
|
|
2134 | else |
|
|
2135 | { |
|
|
2136 | coro_push_on_destroy (aTHX_ coro, SvREFCNT_inc_NN (SvRV (coro_current))); |
|
|
2137 | frame->prepare = prepare_schedule; |
|
|
2138 | } |
|
|
2139 | |
|
|
2140 | frame->check = slf_check_join; |
|
|
2141 | frame->destroy = slf_destroy_join; |
|
|
2142 | frame->data = (void *)coro; |
|
|
2143 | SvREFCNT_inc (coro->hv); |
|
|
2144 | } |
|
|
2145 | |
|
|
2146 | static void |
1955 | coro_call_on_destroy (pTHX_ struct coro *coro) |
2147 | coro_call_on_destroy (pTHX_ struct coro *coro) |
1956 | { |
2148 | { |
1957 | SV **on_destroyp = hv_fetch (coro->hv, "_on_destroy", sizeof ("_on_destroy") - 1, 0); |
2149 | AV *od = coro->on_destroy; |
1958 | SV **statusp = hv_fetch (coro->hv, "_status", sizeof ("_status") - 1, 0); |
|
|
1959 | |
2150 | |
1960 | if (on_destroyp) |
2151 | if (!od) |
1961 | { |
2152 | return; |
1962 | AV *on_destroy = (AV *)SvRV (*on_destroyp); |
|
|
1963 | |
2153 | |
1964 | while (AvFILLp (on_destroy) >= 0) |
2154 | while (AvFILLp (od) >= 0) |
|
|
2155 | { |
|
|
2156 | SV *cb = sv_2mortal (av_pop (od)); |
|
|
2157 | |
|
|
2158 | /* coro hv's (and only hv's at the moment) are supported as well */ |
|
|
2159 | if (SvSTATEhv_p (aTHX_ cb)) |
|
|
2160 | api_ready (aTHX_ cb); |
|
|
2161 | else |
1965 | { |
2162 | { |
1966 | dSP; /* don't disturb outer sp */ |
2163 | dSP; /* don't disturb outer sp */ |
1967 | SV *cb = av_pop (on_destroy); |
|
|
1968 | |
|
|
1969 | PUSHMARK (SP); |
2164 | PUSHMARK (SP); |
1970 | |
2165 | |
1971 | if (statusp) |
2166 | if (coro->status) |
1972 | { |
2167 | { |
1973 | int i; |
2168 | PUTBACK; |
1974 | AV *status = (AV *)SvRV (*statusp); |
2169 | coro_push_av (aTHX_ coro->status, G_ARRAY); |
1975 | EXTEND (SP, AvFILLp (status) + 1); |
2170 | SPAGAIN; |
1976 | |
|
|
1977 | for (i = 0; i <= AvFILLp (status); ++i) |
|
|
1978 | PUSHs (AvARRAY (status)[i]); |
|
|
1979 | } |
2171 | } |
1980 | |
2172 | |
1981 | PUTBACK; |
2173 | PUTBACK; |
1982 | call_sv (sv_2mortal (cb), G_VOID | G_DISCARD); |
2174 | call_sv (cb, G_VOID | G_DISCARD); |
1983 | } |
2175 | } |
1984 | } |
2176 | } |
1985 | } |
2177 | } |
1986 | |
2178 | |
1987 | static void |
2179 | static void |
1988 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2180 | coro_set_status (pTHX_ struct coro *coro, SV **arg, int items) |
1989 | { |
2181 | { |
1990 | int i; |
2182 | AV *av; |
1991 | HV *hv = (HV *)SvRV (coro_current); |
2183 | |
1992 | AV *av = newAV (); |
2184 | if (coro->status) |
|
|
2185 | { |
|
|
2186 | av = coro->status; |
|
|
2187 | av_clear (av); |
|
|
2188 | } |
|
|
2189 | else |
|
|
2190 | av = coro->status = newAV (); |
1993 | |
2191 | |
1994 | /* items are actually not so common, so optimise for this case */ |
2192 | /* items are actually not so common, so optimise for this case */ |
1995 | if (items) |
2193 | if (items) |
1996 | { |
2194 | { |
|
|
2195 | int i; |
|
|
2196 | |
1997 | av_extend (av, items - 1); |
2197 | av_extend (av, items - 1); |
1998 | |
2198 | |
1999 | for (i = 0; i < items; ++i) |
2199 | for (i = 0; i < items; ++i) |
2000 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
2200 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
2001 | } |
2201 | } |
|
|
2202 | } |
2002 | |
2203 | |
2003 | hv_store (hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0); |
2204 | static void |
2004 | |
2205 | slf_init_terminate_cancel_common (pTHX_ struct CoroSLF *frame, HV *coro_hv) |
|
|
2206 | { |
2005 | av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */ |
2207 | av_push (av_destroy, (SV *)newRV_inc ((SV *)coro_hv)); /* RVinc for perl */ |
2006 | api_ready (aTHX_ sv_manager); |
2208 | api_ready (aTHX_ sv_manager); |
2007 | |
2209 | |
2008 | frame->prepare = prepare_schedule; |
2210 | frame->prepare = prepare_schedule; |
2009 | frame->check = slf_check_repeat; |
2211 | frame->check = slf_check_repeat; |
2010 | |
2212 | |
2011 | /* as a minor optimisation, we could unwind all stacks here */ |
2213 | /* as a minor optimisation, we could unwind all stacks here */ |
2012 | /* but that puts extra pressure on pp_slf, and is not worth much */ |
2214 | /* but that puts extra pressure on pp_slf, and is not worth much */ |
2013 | /*coro_unwind_stacks (aTHX);*/ |
2215 | /*coro_unwind_stacks (aTHX);*/ |
|
|
2216 | } |
|
|
2217 | |
|
|
2218 | static void |
|
|
2219 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2220 | { |
|
|
2221 | HV *coro_hv = (HV *)SvRV (coro_current); |
|
|
2222 | |
|
|
2223 | coro_set_status (aTHX_ SvSTATE ((SV *)coro_hv), arg, items); |
|
|
2224 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
|
|
2225 | } |
|
|
2226 | |
|
|
2227 | static void |
|
|
2228 | slf_init_cancel (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2229 | { |
|
|
2230 | HV *coro_hv; |
|
|
2231 | struct coro *coro; |
|
|
2232 | |
|
|
2233 | if (items <= 0) |
|
|
2234 | croak ("Coro::cancel called without coro object,"); |
|
|
2235 | |
|
|
2236 | coro = SvSTATE (arg [0]); |
|
|
2237 | coro_hv = coro->hv; |
|
|
2238 | |
|
|
2239 | coro_set_status (aTHX_ coro, arg + 1, items - 1); |
|
|
2240 | |
|
|
2241 | if (ecb_expect_false (coro->flags & CF_NOCANCEL)) |
|
|
2242 | { |
|
|
2243 | /* coro currently busy cancelling something, so just notify it */ |
|
|
2244 | coro->slf_frame.data = (void *)coro; |
|
|
2245 | |
|
|
2246 | frame->prepare = prepare_nop; |
|
|
2247 | frame->check = slf_check_nop; |
|
|
2248 | } |
|
|
2249 | else if (coro_hv == (HV *)SvRV (coro_current)) |
|
|
2250 | { |
|
|
2251 | /* cancelling the current coro is allowed, and equals terminate */ |
|
|
2252 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
|
|
2253 | } |
|
|
2254 | else |
|
|
2255 | { |
|
|
2256 | struct coro *self = SvSTATE_current; |
|
|
2257 | |
|
|
2258 | /* otherwise we cancel directly, purely for speed reasons |
|
|
2259 | * unfortunately, this requires some magic trickery, as |
|
|
2260 | * somebody else could cancel us, so we have to fight the cancellation. |
|
|
2261 | * this is ugly, and hopefully fully worth the extra speed. |
|
|
2262 | * besides, I can't get the slow-but-safe version working... |
|
|
2263 | */ |
|
|
2264 | slf_frame.data = 0; |
|
|
2265 | self->flags |= CF_NOCANCEL; |
|
|
2266 | coro_state_destroy (aTHX_ coro); |
|
|
2267 | self->flags &= ~CF_NOCANCEL; |
|
|
2268 | |
|
|
2269 | if (slf_frame.data) |
|
|
2270 | { |
|
|
2271 | /* while we were busy we have been cancelled, so terminate */ |
|
|
2272 | slf_init_terminate_cancel_common (aTHX_ frame, self->hv); |
|
|
2273 | } |
|
|
2274 | else |
|
|
2275 | { |
|
|
2276 | frame->prepare = prepare_nop; |
|
|
2277 | frame->check = slf_check_nop; |
|
|
2278 | } |
|
|
2279 | } |
|
|
2280 | } |
|
|
2281 | |
|
|
2282 | static int |
|
|
2283 | slf_check_safe_cancel (pTHX_ struct CoroSLF *frame) |
|
|
2284 | { |
|
|
2285 | frame->prepare = 0; |
|
|
2286 | coro_unwind_stacks (aTHX); |
|
|
2287 | |
|
|
2288 | slf_init_terminate_cancel_common (aTHX_ frame, (HV *)SvRV (coro_current)); |
|
|
2289 | |
|
|
2290 | return 1; |
|
|
2291 | } |
|
|
2292 | |
|
|
2293 | static int |
|
|
2294 | safe_cancel (pTHX_ struct coro *coro, SV **arg, int items) |
|
|
2295 | { |
|
|
2296 | if (coro->cctx) |
|
|
2297 | croak ("coro inside C callback, unable to cancel at this time, caught"); |
|
|
2298 | |
|
|
2299 | if (coro->flags & CF_NEW) |
|
|
2300 | { |
|
|
2301 | coro_set_status (aTHX_ coro, arg, items); |
|
|
2302 | coro_state_destroy (aTHX_ coro); |
|
|
2303 | } |
|
|
2304 | else |
|
|
2305 | { |
|
|
2306 | if (!coro->slf_frame.prepare) |
|
|
2307 | croak ("coro outside an SLF function, unable to cancel at this time, caught"); |
|
|
2308 | |
|
|
2309 | slf_destroy (aTHX_ coro); |
|
|
2310 | |
|
|
2311 | coro_set_status (aTHX_ coro, arg, items); |
|
|
2312 | coro->slf_frame.prepare = prepare_nop; |
|
|
2313 | coro->slf_frame.check = slf_check_safe_cancel; |
|
|
2314 | |
|
|
2315 | api_ready (aTHX_ (SV *)coro->hv); |
|
|
2316 | } |
|
|
2317 | |
|
|
2318 | return 1; |
2014 | } |
2319 | } |
2015 | |
2320 | |
2016 | /*****************************************************************************/ |
2321 | /*****************************************************************************/ |
2017 | /* async pool handler */ |
2322 | /* async pool handler */ |
2018 | |
2323 | |
… | |
… | |
2049 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2354 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2050 | { |
2355 | { |
2051 | HV *hv = (HV *)SvRV (coro_current); |
2356 | HV *hv = (HV *)SvRV (coro_current); |
2052 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
2357 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
2053 | |
2358 | |
2054 | if (expect_true (coro->saved_deffh)) |
2359 | if (ecb_expect_true (coro->saved_deffh)) |
2055 | { |
2360 | { |
2056 | /* subsequent iteration */ |
2361 | /* subsequent iteration */ |
2057 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
2362 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
2058 | coro->saved_deffh = 0; |
2363 | coro->saved_deffh = 0; |
2059 | |
2364 | |
2060 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
2365 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
2061 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
2366 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
2062 | { |
2367 | { |
2063 | coro->invoke_cb = SvREFCNT_inc_NN ((SV *)cv_coro_terminate); |
2368 | slf_init_terminate_cancel_common (aTHX_ frame, hv); |
2064 | coro->invoke_av = newAV (); |
2369 | return; |
2065 | |
|
|
2066 | frame->prepare = prepare_nop; |
|
|
2067 | } |
2370 | } |
2068 | else |
2371 | else |
2069 | { |
2372 | { |
2070 | av_clear (GvAV (PL_defgv)); |
2373 | av_clear (GvAV (PL_defgv)); |
2071 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
2374 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
… | |
… | |
2294 | static void |
2597 | static void |
2295 | slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2598 | slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2296 | { |
2599 | { |
2297 | frame->prepare = prepare_cede_notself; |
2600 | frame->prepare = prepare_cede_notself; |
2298 | frame->check = slf_check_nop; |
2601 | frame->check = slf_check_nop; |
|
|
2602 | } |
|
|
2603 | |
|
|
2604 | /* "undo"/cancel a running slf call - used when cancelling a coro, mainly */ |
|
|
2605 | static void |
|
|
2606 | slf_destroy (pTHX_ struct coro *coro) |
|
|
2607 | { |
|
|
2608 | /* this callback is reserved for slf functions needing to do cleanup */ |
|
|
2609 | if (coro->slf_frame.destroy && coro->slf_frame.prepare && !PL_dirty) |
|
|
2610 | coro->slf_frame.destroy (aTHX_ &coro->slf_frame); |
|
|
2611 | |
|
|
2612 | /* |
|
|
2613 | * The on_destroy above most likely is from an SLF call. |
|
|
2614 | * Since by definition the SLF call will not finish when we destroy |
|
|
2615 | * the coro, we will have to force-finish it here, otherwise |
|
|
2616 | * cleanup functions cannot call SLF functions. |
|
|
2617 | */ |
|
|
2618 | coro->slf_frame.prepare = 0; |
2299 | } |
2619 | } |
2300 | |
2620 | |
2301 | /* |
2621 | /* |
2302 | * these not obviously related functions are all rolled into one |
2622 | * these not obviously related functions are all rolled into one |
2303 | * function to increase chances that they all will call transfer with the same |
2623 | * function to increase chances that they all will call transfer with the same |
… | |
… | |
2310 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
2630 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
2311 | |
2631 | |
2312 | /* set up the slf frame, unless it has already been set-up */ |
2632 | /* set up the slf frame, unless it has already been set-up */ |
2313 | /* the latter happens when a new coro has been started */ |
2633 | /* the latter happens when a new coro has been started */ |
2314 | /* or when a new cctx was attached to an existing coroutine */ |
2634 | /* or when a new cctx was attached to an existing coroutine */ |
2315 | if (expect_true (!slf_frame.prepare)) |
2635 | if (ecb_expect_true (!slf_frame.prepare)) |
2316 | { |
2636 | { |
2317 | /* first iteration */ |
2637 | /* first iteration */ |
2318 | dSP; |
2638 | dSP; |
2319 | SV **arg = PL_stack_base + TOPMARK + 1; |
2639 | SV **arg = PL_stack_base + TOPMARK + 1; |
2320 | int items = SP - arg; /* args without function object */ |
2640 | int items = SP - arg; /* args without function object */ |
… | |
… | |
2361 | while (slf_frame.check (aTHX_ &slf_frame)); |
2681 | while (slf_frame.check (aTHX_ &slf_frame)); |
2362 | |
2682 | |
2363 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
2683 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
2364 | |
2684 | |
2365 | /* exception handling */ |
2685 | /* exception handling */ |
2366 | if (expect_false (CORO_THROW)) |
2686 | if (ecb_expect_false (CORO_THROW)) |
2367 | { |
2687 | { |
2368 | SV *exception = sv_2mortal (CORO_THROW); |
2688 | SV *exception = sv_2mortal (CORO_THROW); |
2369 | |
2689 | |
2370 | CORO_THROW = 0; |
2690 | CORO_THROW = 0; |
2371 | sv_setsv (ERRSV, exception); |
2691 | sv_setsv (ERRSV, exception); |
2372 | croak (0); |
2692 | croak (0); |
2373 | } |
2693 | } |
2374 | |
2694 | |
2375 | /* return value handling - mostly like entersub */ |
2695 | /* return value handling - mostly like entersub */ |
2376 | /* make sure we put something on the stack in scalar context */ |
2696 | /* make sure we put something on the stack in scalar context */ |
2377 | if (GIMME_V == G_SCALAR) |
2697 | if (GIMME_V == G_SCALAR |
|
|
2698 | && ecb_expect_false (PL_stack_sp != PL_stack_base + checkmark + 1)) |
2378 | { |
2699 | { |
2379 | dSP; |
2700 | dSP; |
2380 | SV **bot = PL_stack_base + checkmark; |
2701 | SV **bot = PL_stack_base + checkmark; |
2381 | |
2702 | |
2382 | if (sp == bot) /* too few, push undef */ |
2703 | if (sp == bot) /* too few, push undef */ |
2383 | bot [1] = &PL_sv_undef; |
2704 | bot [1] = &PL_sv_undef; |
2384 | else if (sp != bot + 1) /* too many, take last one */ |
2705 | else /* too many, take last one */ |
2385 | bot [1] = *sp; |
2706 | bot [1] = *sp; |
2386 | |
2707 | |
2387 | SP = bot + 1; |
2708 | SP = bot + 1; |
2388 | |
2709 | |
2389 | PUTBACK; |
2710 | PUTBACK; |
… | |
… | |
2496 | { |
2817 | { |
2497 | PerlIOBuf base; |
2818 | PerlIOBuf base; |
2498 | NV next, every; |
2819 | NV next, every; |
2499 | } PerlIOCede; |
2820 | } PerlIOCede; |
2500 | |
2821 | |
2501 | static IV |
2822 | static IV ecb_cold |
2502 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
2823 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
2503 | { |
2824 | { |
2504 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2825 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2505 | |
2826 | |
2506 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
2827 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
2507 | self->next = nvtime () + self->every; |
2828 | self->next = nvtime () + self->every; |
2508 | |
2829 | |
2509 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
2830 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
2510 | } |
2831 | } |
2511 | |
2832 | |
2512 | static SV * |
2833 | static SV * ecb_cold |
2513 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
2834 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
2514 | { |
2835 | { |
2515 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2836 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2516 | |
2837 | |
2517 | return newSVnv (self->every); |
2838 | return newSVnv (self->every); |
… | |
… | |
2629 | SvREFCNT_dec (cb); |
2950 | SvREFCNT_dec (cb); |
2630 | } |
2951 | } |
2631 | } |
2952 | } |
2632 | |
2953 | |
2633 | static void |
2954 | static void |
2634 | coro_semaphore_on_destroy (pTHX_ struct coro *coro) |
2955 | coro_semaphore_destroy (pTHX_ struct CoroSLF *frame) |
2635 | { |
2956 | { |
2636 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
2957 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
2637 | coro_semaphore_adjust (aTHX_ (AV *)coro->slf_frame.data, 0); |
2958 | coro_semaphore_adjust (aTHX_ (AV *)frame->data, 0); |
2638 | } |
2959 | } |
2639 | |
2960 | |
2640 | static int |
2961 | static int |
2641 | slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire) |
2962 | slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire) |
2642 | { |
2963 | { |
2643 | AV *av = (AV *)frame->data; |
2964 | AV *av = (AV *)frame->data; |
2644 | SV *count_sv = AvARRAY (av)[0]; |
2965 | SV *count_sv = AvARRAY (av)[0]; |
|
|
2966 | SV *coro_hv = SvRV (coro_current); |
2645 | |
2967 | |
2646 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2968 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2647 | if (CORO_THROW) |
2969 | if (CORO_THROW) |
2648 | return 0; |
2970 | return 0; |
2649 | else if (SvIVX (count_sv) > 0) |
2971 | else if (SvIVX (count_sv) > 0) |
2650 | { |
2972 | { |
2651 | SvSTATE_current->on_destroy = 0; |
2973 | frame->destroy = 0; |
2652 | |
2974 | |
2653 | if (acquire) |
2975 | if (acquire) |
2654 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2976 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2655 | else |
2977 | else |
2656 | coro_semaphore_adjust (aTHX_ av, 0); |
2978 | coro_semaphore_adjust (aTHX_ av, 0); |
… | |
… | |
2661 | { |
2983 | { |
2662 | int i; |
2984 | int i; |
2663 | /* if we were woken up but can't down, we look through the whole */ |
2985 | /* if we were woken up but can't down, we look through the whole */ |
2664 | /* waiters list and only add us if we aren't in there already */ |
2986 | /* waiters list and only add us if we aren't in there already */ |
2665 | /* this avoids some degenerate memory usage cases */ |
2987 | /* this avoids some degenerate memory usage cases */ |
2666 | |
2988 | for (i = AvFILLp (av); i > 0; --i) /* i > 0 is not an off-by-one bug */ |
2667 | for (i = 1; i <= AvFILLp (av); ++i) |
|
|
2668 | if (AvARRAY (av)[i] == SvRV (coro_current)) |
2989 | if (AvARRAY (av)[i] == coro_hv) |
2669 | return 1; |
2990 | return 1; |
2670 | |
2991 | |
2671 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2992 | av_push (av, SvREFCNT_inc (coro_hv)); |
2672 | return 1; |
2993 | return 1; |
2673 | } |
2994 | } |
2674 | } |
2995 | } |
2675 | |
2996 | |
2676 | static int |
2997 | static int |
… | |
… | |
2699 | { |
3020 | { |
2700 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
3021 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2701 | |
3022 | |
2702 | frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); |
3023 | frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); |
2703 | frame->prepare = prepare_schedule; |
3024 | frame->prepare = prepare_schedule; |
2704 | |
|
|
2705 | /* to avoid race conditions when a woken-up coro gets terminated */ |
3025 | /* to avoid race conditions when a woken-up coro gets terminated */ |
2706 | /* we arrange for a temporary on_destroy that calls adjust (0) */ |
3026 | /* we arrange for a temporary on_destroy that calls adjust (0) */ |
2707 | SvSTATE_current->on_destroy = coro_semaphore_on_destroy; |
3027 | frame->destroy = coro_semaphore_destroy; |
2708 | } |
3028 | } |
2709 | } |
3029 | } |
2710 | |
3030 | |
2711 | static void |
3031 | static void |
2712 | slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
3032 | slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
… | |
… | |
2794 | { |
3114 | { |
2795 | SV *cb_cv = s_get_cv_croak (arg [1]); |
3115 | SV *cb_cv = s_get_cv_croak (arg [1]); |
2796 | av_push (av, SvREFCNT_inc_NN (cb_cv)); |
3116 | av_push (av, SvREFCNT_inc_NN (cb_cv)); |
2797 | |
3117 | |
2798 | if (SvIVX (AvARRAY (av)[0])) |
3118 | if (SvIVX (AvARRAY (av)[0])) |
2799 | coro_signal_wake (aTHX_ av, 1); /* ust be the only waiter */ |
3119 | coro_signal_wake (aTHX_ av, 1); /* must be the only waiter */ |
2800 | |
3120 | |
2801 | frame->prepare = prepare_nop; |
3121 | frame->prepare = prepare_nop; |
2802 | frame->check = slf_check_nop; |
3122 | frame->check = slf_check_nop; |
2803 | } |
3123 | } |
2804 | else if (SvIVX (AvARRAY (av)[0])) |
3124 | else if (SvIVX (AvARRAY (av)[0])) |
… | |
… | |
2930 | dSP; |
3250 | dSP; |
2931 | |
3251 | |
2932 | static SV *prio_cv; |
3252 | static SV *prio_cv; |
2933 | static SV *prio_sv; |
3253 | static SV *prio_sv; |
2934 | |
3254 | |
2935 | if (expect_false (!prio_cv)) |
3255 | if (ecb_expect_false (!prio_cv)) |
2936 | { |
3256 | { |
2937 | prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0); |
3257 | prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0); |
2938 | prio_sv = newSViv (0); |
3258 | prio_sv = newSViv (0); |
2939 | } |
3259 | } |
2940 | |
3260 | |
… | |
… | |
3046 | } |
3366 | } |
3047 | |
3367 | |
3048 | return coro_sv; |
3368 | return coro_sv; |
3049 | } |
3369 | } |
3050 | |
3370 | |
|
|
3371 | #ifndef __cplusplus |
|
|
3372 | ecb_cold XS(boot_Coro__State); |
|
|
3373 | #endif |
|
|
3374 | |
|
|
3375 | #if CORO_JIT |
|
|
3376 | |
|
|
3377 | static void ecb_noinline ecb_cold |
|
|
3378 | pushav_4uv (pTHX_ UV a, UV b, UV c, UV d) |
|
|
3379 | { |
|
|
3380 | dSP; |
|
|
3381 | AV *av = newAV (); |
|
|
3382 | |
|
|
3383 | av_store (av, 3, newSVuv (d)); |
|
|
3384 | av_store (av, 2, newSVuv (c)); |
|
|
3385 | av_store (av, 1, newSVuv (b)); |
|
|
3386 | av_store (av, 0, newSVuv (a)); |
|
|
3387 | |
|
|
3388 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
3389 | |
|
|
3390 | PUTBACK; |
|
|
3391 | } |
|
|
3392 | |
|
|
3393 | static void ecb_noinline ecb_cold |
|
|
3394 | jit_init (pTHX) |
|
|
3395 | { |
|
|
3396 | dSP; |
|
|
3397 | SV *load, *save; |
|
|
3398 | char *map_base; |
|
|
3399 | char *load_ptr, *save_ptr; |
|
|
3400 | STRLEN load_len, save_len, map_len; |
|
|
3401 | int count; |
|
|
3402 | |
|
|
3403 | eval_pv ("require 'Coro/jit-" CORO_JIT_TYPE ".pl'", 1); |
|
|
3404 | |
|
|
3405 | PUSHMARK (SP); |
|
|
3406 | #define VARx(name,expr,type) pushav_4uv (aTHX_ (UV)&(expr), sizeof (expr), offsetof (perl_slots, name), sizeof (type)); |
|
|
3407 | # include "state.h" |
|
|
3408 | #undef VARx |
|
|
3409 | count = call_pv ("Coro::State::_jit", G_ARRAY); |
|
|
3410 | SPAGAIN; |
|
|
3411 | |
|
|
3412 | save = POPs; save_ptr = SvPVbyte (save, save_len); |
|
|
3413 | load = POPs; load_ptr = SvPVbyte (load, load_len); |
|
|
3414 | |
|
|
3415 | map_len = load_len + save_len + 16; |
|
|
3416 | |
|
|
3417 | map_base = mmap (0, map_len, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); |
|
|
3418 | |
|
|
3419 | assert (("Coro: unable to mmap jit code page, cannot continue.", map_base != (char *)MAP_FAILED)); |
|
|
3420 | |
|
|
3421 | load_perl_slots = (load_save_perl_slots_type)map_base; |
|
|
3422 | memcpy (map_base, load_ptr, load_len); |
|
|
3423 | |
|
|
3424 | map_base += (load_len + 15) & ~15; |
|
|
3425 | |
|
|
3426 | save_perl_slots = (load_save_perl_slots_type)map_base; |
|
|
3427 | memcpy (map_base, save_ptr, save_len); |
|
|
3428 | |
|
|
3429 | /* we are good citizens and try to make the page read-only, so the evil evil */ |
|
|
3430 | /* hackers might have it a bit more difficult */ |
|
|
3431 | mprotect (map_base, map_len, PROT_READ | PROT_EXEC); |
|
|
3432 | |
|
|
3433 | PUTBACK; |
|
|
3434 | eval_pv ("undef &Coro::State::_jit", 1); |
|
|
3435 | } |
|
|
3436 | |
|
|
3437 | #endif |
|
|
3438 | |
3051 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
3439 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
3052 | |
3440 | |
3053 | PROTOTYPES: DISABLE |
3441 | PROTOTYPES: DISABLE |
3054 | |
3442 | |
3055 | BOOT: |
3443 | BOOT: |
… | |
… | |
3058 | # if CORO_PTHREAD |
3446 | # if CORO_PTHREAD |
3059 | coro_thx = PERL_GET_CONTEXT; |
3447 | coro_thx = PERL_GET_CONTEXT; |
3060 | # endif |
3448 | # endif |
3061 | #endif |
3449 | #endif |
3062 | BOOT_PAGESIZE; |
3450 | BOOT_PAGESIZE; |
|
|
3451 | |
|
|
3452 | /* perl defines these to check for existance first, but why it doesn't */ |
|
|
3453 | /* just create them one at init time is not clear to me, except for */ |
|
|
3454 | /* programs trying to delete them, but... */ |
|
|
3455 | /* anyway, we declare this as invalid and make sure they are initialised here */ |
|
|
3456 | DEFSV; |
|
|
3457 | ERRSV; |
3063 | |
3458 | |
3064 | cctx_current = cctx_new_empty (); |
3459 | cctx_current = cctx_new_empty (); |
3065 | |
3460 | |
3066 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3461 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3067 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3462 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
… | |
… | |
3107 | coroapi.prepare_nop = prepare_nop; |
3502 | coroapi.prepare_nop = prepare_nop; |
3108 | coroapi.prepare_schedule = prepare_schedule; |
3503 | coroapi.prepare_schedule = prepare_schedule; |
3109 | coroapi.prepare_cede = prepare_cede; |
3504 | coroapi.prepare_cede = prepare_cede; |
3110 | coroapi.prepare_cede_notself = prepare_cede_notself; |
3505 | coroapi.prepare_cede_notself = prepare_cede_notself; |
3111 | |
3506 | |
3112 | { |
3507 | time_init (aTHX); |
3113 | SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
|
|
3114 | |
|
|
3115 | if (!svp) croak ("Time::HiRes is required"); |
|
|
3116 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer"); |
|
|
3117 | |
|
|
3118 | nvtime = INT2PTR (double (*)(), SvIV (*svp)); |
|
|
3119 | |
|
|
3120 | svp = hv_fetch (PL_modglobal, "Time::U2time", 12, 0); |
|
|
3121 | u2time = INT2PTR (void (*)(pTHX_ UV ret[2]), SvIV (*svp)); |
|
|
3122 | } |
|
|
3123 | |
3508 | |
3124 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
3509 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
|
|
3510 | #if CORO_JIT |
|
|
3511 | PUTBACK; |
|
|
3512 | jit_init (aTHX); |
|
|
3513 | SPAGAIN; |
|
|
3514 | #endif |
3125 | } |
3515 | } |
3126 | |
3516 | |
3127 | SV * |
3517 | SV * |
3128 | new (SV *klass, ...) |
3518 | new (SV *klass, ...) |
3129 | ALIAS: |
3519 | ALIAS: |
… | |
… | |
3136 | void |
3526 | void |
3137 | transfer (...) |
3527 | transfer (...) |
3138 | PROTOTYPE: $$ |
3528 | PROTOTYPE: $$ |
3139 | CODE: |
3529 | CODE: |
3140 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3530 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3141 | |
|
|
3142 | bool |
|
|
3143 | _destroy (SV *coro_sv) |
|
|
3144 | CODE: |
|
|
3145 | RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv)); |
|
|
3146 | OUTPUT: |
|
|
3147 | RETVAL |
|
|
3148 | |
3531 | |
3149 | void |
3532 | void |
3150 | _exit (int code) |
3533 | _exit (int code) |
3151 | PROTOTYPE: $ |
3534 | PROTOTYPE: $ |
3152 | CODE: |
3535 | CODE: |
… | |
… | |
3228 | CODE: |
3611 | CODE: |
3229 | { |
3612 | { |
3230 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
3613 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
3231 | { |
3614 | { |
3232 | struct coro *current = SvSTATE_current; |
3615 | struct coro *current = SvSTATE_current; |
|
|
3616 | struct CoroSLF slf_save; |
3233 | |
3617 | |
3234 | if (current != coro) |
3618 | if (current != coro) |
3235 | { |
3619 | { |
3236 | PUTBACK; |
3620 | PUTBACK; |
3237 | save_perl (aTHX_ current); |
3621 | save_perl (aTHX_ current); |
3238 | load_perl (aTHX_ coro); |
3622 | load_perl (aTHX_ coro); |
|
|
3623 | /* the coro is most likely in an active SLF call. |
|
|
3624 | * while not strictly required (the code we execute is |
|
|
3625 | * not allowed to call any SLF functions), it's cleaner |
|
|
3626 | * to reinitialise the slf_frame and restore it later. |
|
|
3627 | * This might one day allow us to actually do SLF calls |
|
|
3628 | * from code executed here. |
|
|
3629 | */ |
|
|
3630 | slf_save = slf_frame; |
|
|
3631 | slf_frame.prepare = 0; |
3239 | SPAGAIN; |
3632 | SPAGAIN; |
3240 | } |
3633 | } |
3241 | |
3634 | |
3242 | PUSHSTACK; |
3635 | PUSHSTACK; |
3243 | |
3636 | |
… | |
… | |
3253 | SPAGAIN; |
3646 | SPAGAIN; |
3254 | |
3647 | |
3255 | if (current != coro) |
3648 | if (current != coro) |
3256 | { |
3649 | { |
3257 | PUTBACK; |
3650 | PUTBACK; |
|
|
3651 | slf_frame = slf_save; |
3258 | save_perl (aTHX_ coro); |
3652 | save_perl (aTHX_ coro); |
3259 | load_perl (aTHX_ current); |
3653 | load_perl (aTHX_ current); |
3260 | SPAGAIN; |
3654 | SPAGAIN; |
3261 | } |
3655 | } |
3262 | } |
3656 | } |
… | |
… | |
3267 | PROTOTYPE: $ |
3661 | PROTOTYPE: $ |
3268 | ALIAS: |
3662 | ALIAS: |
3269 | is_ready = CF_READY |
3663 | is_ready = CF_READY |
3270 | is_running = CF_RUNNING |
3664 | is_running = CF_RUNNING |
3271 | is_new = CF_NEW |
3665 | is_new = CF_NEW |
3272 | is_destroyed = CF_DESTROYED |
3666 | is_destroyed = CF_ZOMBIE |
|
|
3667 | is_zombie = CF_ZOMBIE |
3273 | is_suspended = CF_SUSPENDED |
3668 | is_suspended = CF_SUSPENDED |
3274 | CODE: |
3669 | CODE: |
3275 | RETVAL = boolSV (coro->flags & ix); |
3670 | RETVAL = boolSV (coro->flags & ix); |
3276 | OUTPUT: |
3671 | OUTPUT: |
3277 | RETVAL |
3672 | RETVAL |
… | |
… | |
3348 | |
3743 | |
3349 | void |
3744 | void |
3350 | cancel (Coro::State self) |
3745 | cancel (Coro::State self) |
3351 | CODE: |
3746 | CODE: |
3352 | coro_state_destroy (aTHX_ self); |
3747 | coro_state_destroy (aTHX_ self); |
3353 | coro_call_on_destroy (aTHX_ self); /* actually only for Coro objects */ |
|
|
3354 | |
|
|
3355 | |
3748 | |
3356 | SV * |
3749 | SV * |
3357 | enable_times (int enabled = enable_times) |
3750 | enable_times (int enabled = enable_times) |
3358 | CODE: |
3751 | CODE: |
3359 | { |
3752 | { |
… | |
… | |
3374 | times (Coro::State self) |
3767 | times (Coro::State self) |
3375 | PPCODE: |
3768 | PPCODE: |
3376 | { |
3769 | { |
3377 | struct coro *current = SvSTATE (coro_current); |
3770 | struct coro *current = SvSTATE (coro_current); |
3378 | |
3771 | |
3379 | if (expect_false (current == self)) |
3772 | if (ecb_expect_false (current == self)) |
3380 | { |
3773 | { |
3381 | coro_times_update (); |
3774 | coro_times_update (); |
3382 | coro_times_add (SvSTATE (coro_current)); |
3775 | coro_times_add (SvSTATE (coro_current)); |
3383 | } |
3776 | } |
3384 | |
3777 | |
3385 | EXTEND (SP, 2); |
3778 | EXTEND (SP, 2); |
3386 | PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9))); |
3779 | PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9))); |
3387 | PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9))); |
3780 | PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9))); |
3388 | |
3781 | |
3389 | if (expect_false (current == self)) |
3782 | if (ecb_expect_false (current == self)) |
3390 | coro_times_sub (SvSTATE (coro_current)); |
3783 | coro_times_sub (SvSTATE (coro_current)); |
3391 | } |
3784 | } |
3392 | |
3785 | |
3393 | void |
3786 | void |
3394 | swap_sv (Coro::State coro, SV *sv, SV *swapsv) |
3787 | swap_sv (Coro::State coro, SV *sv, SV *swapsv) |
… | |
… | |
3415 | BOOT: |
3808 | BOOT: |
3416 | { |
3809 | { |
3417 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3810 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3418 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3811 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3419 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
3812 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
3420 | cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD); |
|
|
3421 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
3813 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
3422 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
3814 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
3423 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
3815 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
3424 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
3816 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
3425 | sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); |
3817 | sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); |
… | |
… | |
3464 | api_ready (aTHX_ RETVAL); |
3856 | api_ready (aTHX_ RETVAL); |
3465 | OUTPUT: |
3857 | OUTPUT: |
3466 | RETVAL |
3858 | RETVAL |
3467 | |
3859 | |
3468 | void |
3860 | void |
|
|
3861 | _destroy (Coro::State coro) |
|
|
3862 | CODE: |
|
|
3863 | /* used by the manager thread */ |
|
|
3864 | coro_state_destroy (aTHX_ coro); |
|
|
3865 | |
|
|
3866 | void |
|
|
3867 | on_destroy (Coro::State coro, SV *cb) |
|
|
3868 | CODE: |
|
|
3869 | coro_push_on_destroy (aTHX_ coro, newSVsv (cb)); |
|
|
3870 | |
|
|
3871 | void |
|
|
3872 | join (...) |
|
|
3873 | CODE: |
|
|
3874 | CORO_EXECUTE_SLF_XS (slf_init_join); |
|
|
3875 | |
|
|
3876 | void |
3469 | terminate (...) |
3877 | terminate (...) |
3470 | CODE: |
3878 | CODE: |
3471 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
3879 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
|
|
3880 | |
|
|
3881 | void |
|
|
3882 | cancel (...) |
|
|
3883 | CODE: |
|
|
3884 | CORO_EXECUTE_SLF_XS (slf_init_cancel); |
|
|
3885 | |
|
|
3886 | int |
|
|
3887 | safe_cancel (Coro::State self, ...) |
|
|
3888 | C_ARGS: aTHX_ self, &ST (1), items - 1 |
3472 | |
3889 | |
3473 | void |
3890 | void |
3474 | schedule (...) |
3891 | schedule (...) |
3475 | CODE: |
3892 | CODE: |
3476 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
3893 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
… | |
… | |
3752 | } |
4169 | } |
3753 | |
4170 | |
3754 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
4171 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
3755 | |
4172 | |
3756 | void |
4173 | void |
3757 | _may_delete (SV *sem, int count, int extra_refs) |
4174 | _may_delete (SV *sem, int count, unsigned int extra_refs) |
3758 | PPCODE: |
4175 | PPCODE: |
3759 | { |
4176 | { |
3760 | AV *av = (AV *)SvRV (sem); |
4177 | AV *av = (AV *)SvRV (sem); |
3761 | |
4178 | |
3762 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
4179 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
… | |
… | |
3873 | { |
4290 | { |
3874 | PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; |
4291 | PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; |
3875 | coro_old_pp_sselect = 0; |
4292 | coro_old_pp_sselect = 0; |
3876 | } |
4293 | } |
3877 | |
4294 | |
3878 | |
|
|