1 | /* this works around a bug in mingw32 providing a non-working setjmp */ |
1 | /* this works around a bug in mingw32 providing a non-working setjmp */ |
2 | #define USE_NO_MINGW_SETJMP_TWO_ARGS |
2 | #define USE_NO_MINGW_SETJMP_TWO_ARGS |
3 | |
3 | |
4 | #define NDEBUG 1 |
4 | #define NDEBUG 1 /* perl usually disables NDEBUG later */ |
5 | |
5 | |
6 | #include "libcoro/coro.c" |
6 | #include "libcoro/coro.c" |
7 | |
7 | |
8 | #define PERL_NO_GET_CONTEXT |
8 | #define PERL_NO_GET_CONTEXT |
9 | #define PERL_EXT |
9 | #define PERL_EXT |
… | |
… | |
13 | #include "XSUB.h" |
13 | #include "XSUB.h" |
14 | #include "perliol.h" |
14 | #include "perliol.h" |
15 | |
15 | |
16 | #include "schmorp.h" |
16 | #include "schmorp.h" |
17 | |
17 | |
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18 | #define ECB_NO_THREADS 1 |
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19 | #define ECB_NO_LIBM 1 |
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20 | #include "ecb.h" |
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21 | |
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22 | #include <stddef.h> |
18 | #include <stdio.h> |
23 | #include <stdio.h> |
19 | #include <errno.h> |
24 | #include <errno.h> |
20 | #include <assert.h> |
25 | #include <assert.h> |
21 | |
26 | |
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27 | #ifndef SvREFCNT_dec_NN |
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28 | #define SvREFCNT_dec_NN(sv) SvREFCNT_dec (sv) |
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29 | #endif |
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30 | |
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31 | #ifndef SvREFCNT_inc_NN |
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32 | #define SvREFCNT_inc_NN(sv) SvREFCNT_inc (sv) |
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33 | #endif |
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34 | |
22 | #ifndef SVs_PADSTALE |
35 | #ifndef SVs_PADSTALE |
23 | # define SVs_PADSTALE 0 |
36 | # define SVs_PADSTALE 0 |
24 | #endif |
37 | #endif |
25 | |
38 | |
26 | #ifdef WIN32 |
39 | #ifdef PadARRAY |
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40 | # define NEWPADAPI 1 |
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41 | # define newPADLIST(var) (Newz (0, var, 1, PADLIST), Newx (PadlistARRAY (var), 2, PAD *)) |
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42 | #else |
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43 | typedef AV PADNAMELIST; |
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44 | # if !PERL_VERSION_ATLEAST(5,8,0) |
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45 | typedef AV PADLIST; |
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46 | typedef AV PAD; |
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47 | # endif |
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48 | # define PadlistARRAY(pl) ((PAD **)AvARRAY (pl)) |
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49 | # define PadlistMAX(pl) AvFILLp (pl) |
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50 | # define PadlistNAMES(pl) (*PadlistARRAY (pl)) |
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51 | # define PadARRAY AvARRAY |
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52 | # define PadMAX AvFILLp |
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53 | # define newPADLIST(var) ((var) = newAV (), av_extend (var, 1)) |
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54 | #endif |
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55 | #ifndef PadnamelistREFCNT |
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56 | # define PadnamelistREFCNT(pnl) SvREFCNT (pnl) |
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57 | #endif |
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58 | #ifndef PadnamelistREFCNT_dec |
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59 | # define PadnamelistREFCNT_dec(pnl) SvREFCNT_dec (pnl) |
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60 | #endif |
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61 | |
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62 | /* 5.19.something has replaced SVt_BIND by SVt_INVLIST */ |
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63 | /* we just alias it to SVt_IV, as that is sufficient for swap_sv for now */ |
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64 | #if PERL_VERSION_ATLEAST(5,19,0) |
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65 | # define SVt_BIND SVt_IV |
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66 | #endif |
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67 | |
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68 | #if defined(_WIN32) |
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69 | # undef HAS_GETTIMEOFDAY |
27 | # undef setjmp |
70 | # undef setjmp |
28 | # undef longjmp |
71 | # undef longjmp |
29 | # undef _exit |
72 | # undef _exit |
30 | # define setjmp _setjmp /* deep magic */ |
73 | # define setjmp _setjmp /* deep magic */ |
31 | #else |
74 | #else |
32 | # include <inttypes.h> /* most portable stdint.h */ |
75 | # include <inttypes.h> /* most portable stdint.h */ |
33 | #endif |
76 | #endif |
34 | |
77 | |
35 | #ifdef HAVE_MMAP |
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36 | # include <unistd.h> |
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37 | # include <sys/mman.h> |
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38 | # ifndef MAP_ANONYMOUS |
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39 | # ifdef MAP_ANON |
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40 | # define MAP_ANONYMOUS MAP_ANON |
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41 | # else |
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42 | # undef HAVE_MMAP |
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43 | # endif |
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44 | # endif |
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45 | # include <limits.h> |
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46 | # ifndef PAGESIZE |
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47 | # define PAGESIZE pagesize |
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48 | # define BOOT_PAGESIZE pagesize = sysconf (_SC_PAGESIZE) |
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49 | static long pagesize; |
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50 | # else |
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51 | # define BOOT_PAGESIZE (void)0 |
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52 | # endif |
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53 | #else |
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54 | # define PAGESIZE 0 |
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55 | # define BOOT_PAGESIZE (void)0 |
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56 | #endif |
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57 | |
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58 | #if CORO_USE_VALGRIND |
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59 | # include <valgrind/valgrind.h> |
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60 | #endif |
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61 | |
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62 | /* the maximum number of idle cctx that will be pooled */ |
78 | /* the maximum number of idle cctx that will be pooled */ |
63 | static int cctx_max_idle = 4; |
79 | static int cctx_max_idle = 4; |
64 | |
80 | |
65 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
81 | #if defined(DEBUGGING) && PERL_VERSION_ATLEAST(5,12,0) |
66 | # undef CORO_STACKGUARD |
82 | # define HAS_SCOPESTACK_NAME 1 |
67 | #endif |
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68 | |
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69 | #ifndef CORO_STACKGUARD |
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70 | # define CORO_STACKGUARD 0 |
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71 | #endif |
83 | #endif |
72 | |
84 | |
73 | /* prefer perl internal functions over our own? */ |
85 | /* prefer perl internal functions over our own? */ |
74 | #ifndef CORO_PREFER_PERL_FUNCTIONS |
86 | #ifndef CORO_PREFER_PERL_FUNCTIONS |
75 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
87 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
… | |
… | |
85 | # define STACKLEVEL ((void *)&stacklevel) |
97 | # define STACKLEVEL ((void *)&stacklevel) |
86 | #endif |
98 | #endif |
87 | |
99 | |
88 | #define IN_DESTRUCT PL_dirty |
100 | #define IN_DESTRUCT PL_dirty |
89 | |
101 | |
90 | #if __GNUC__ >= 3 |
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91 | # define attribute(x) __attribute__(x) |
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92 | # define expect(expr,value) __builtin_expect ((expr), (value)) |
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93 | # define INLINE static inline |
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94 | #else |
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95 | # define attribute(x) |
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96 | # define expect(expr,value) (expr) |
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97 | # define INLINE static |
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98 | #endif |
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99 | |
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100 | #define expect_false(expr) expect ((expr) != 0, 0) |
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101 | #define expect_true(expr) expect ((expr) != 0, 1) |
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102 | |
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103 | #define NOINLINE attribute ((noinline)) |
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104 | |
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105 | #include "CoroAPI.h" |
102 | #include "CoroAPI.h" |
106 | #define GCoroAPI (&coroapi) /* very sneaky */ |
103 | #define GCoroAPI (&coroapi) /* very sneaky */ |
107 | |
104 | |
108 | #ifdef USE_ITHREADS |
105 | #ifdef USE_ITHREADS |
109 | # if CORO_PTHREAD |
106 | # if CORO_PTHREAD |
… | |
… | |
125 | static void (*u2time)(pTHX_ UV ret[2]); |
122 | static void (*u2time)(pTHX_ UV ret[2]); |
126 | |
123 | |
127 | /* we hijack an hopefully unused CV flag for our purposes */ |
124 | /* we hijack an hopefully unused CV flag for our purposes */ |
128 | #define CVf_SLF 0x4000 |
125 | #define CVf_SLF 0x4000 |
129 | static OP *pp_slf (pTHX); |
126 | static OP *pp_slf (pTHX); |
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127 | static void slf_destroy (pTHX_ struct coro *coro); |
130 | |
128 | |
131 | static U32 cctx_gen; |
129 | static U32 cctx_gen; |
132 | static size_t cctx_stacksize = CORO_STACKSIZE; |
130 | static size_t cctx_stacksize = CORO_STACKSIZE; |
133 | static struct CoroAPI coroapi; |
131 | static struct CoroAPI coroapi; |
134 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
132 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
… | |
… | |
164 | static char times_valid; |
162 | static char times_valid; |
165 | |
163 | |
166 | static struct coro_cctx *cctx_first; |
164 | static struct coro_cctx *cctx_first; |
167 | static int cctx_count, cctx_idle; |
165 | static int cctx_count, cctx_idle; |
168 | |
166 | |
169 | enum { |
167 | enum |
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168 | { |
170 | CC_MAPPED = 0x01, |
169 | CC_MAPPED = 0x01, |
171 | CC_NOREUSE = 0x02, /* throw this away after tracing */ |
170 | CC_NOREUSE = 0x02, /* throw this away after tracing */ |
172 | CC_TRACE = 0x04, |
171 | CC_TRACE = 0x04, |
173 | CC_TRACE_SUB = 0x08, /* trace sub calls */ |
172 | CC_TRACE_SUB = 0x08, /* trace sub calls */ |
174 | CC_TRACE_LINE = 0x10, /* trace each statement */ |
173 | CC_TRACE_LINE = 0x10, /* trace each statement */ |
… | |
… | |
179 | typedef struct coro_cctx |
178 | typedef struct coro_cctx |
180 | { |
179 | { |
181 | struct coro_cctx *next; |
180 | struct coro_cctx *next; |
182 | |
181 | |
183 | /* the stack */ |
182 | /* the stack */ |
184 | void *sptr; |
183 | struct coro_stack stack; |
185 | size_t ssize; |
|
|
186 | |
184 | |
187 | /* cpu state */ |
185 | /* cpu state */ |
188 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
186 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
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187 | #ifndef NDEBUG |
189 | JMPENV *idle_te; /* same as idle_sp, but for top_env, TODO: remove once stable */ |
188 | JMPENV *idle_te; /* same as idle_sp, but for top_env */ |
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189 | #endif |
190 | JMPENV *top_env; |
190 | JMPENV *top_env; |
191 | coro_context cctx; |
191 | coro_context cctx; |
192 | |
192 | |
193 | U32 gen; |
193 | U32 gen; |
194 | #if CORO_USE_VALGRIND |
194 | #if CORO_USE_VALGRIND |
195 | int valgrind_id; |
195 | int valgrind_id; |
196 | #endif |
196 | #endif |
197 | unsigned char flags; |
197 | unsigned char flags; |
198 | } coro_cctx; |
198 | } coro_cctx; |
199 | |
199 | |
200 | coro_cctx *cctx_current; /* the currently running cctx */ |
200 | static coro_cctx *cctx_current; /* the currently running cctx */ |
201 | |
201 | |
202 | /*****************************************************************************/ |
202 | /*****************************************************************************/ |
203 | |
203 | |
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204 | static MGVTBL coro_state_vtbl; |
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205 | |
204 | enum { |
206 | enum |
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207 | { |
205 | CF_RUNNING = 0x0001, /* coroutine is running */ |
208 | CF_RUNNING = 0x0001, /* coroutine is running */ |
206 | CF_READY = 0x0002, /* coroutine is ready */ |
209 | CF_READY = 0x0002, /* coroutine is ready */ |
207 | CF_NEW = 0x0004, /* has never been switched to */ |
210 | CF_NEW = 0x0004, /* has never been switched to */ |
208 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
211 | CF_ZOMBIE = 0x0008, /* coroutine data has been freed */ |
209 | CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */ |
212 | CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */ |
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213 | CF_NOCANCEL = 0x0020, /* cannot cancel, set slf_frame.data to 1 (hackish) */ |
210 | }; |
214 | }; |
211 | |
215 | |
212 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
216 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
213 | typedef struct |
217 | typedef struct |
214 | { |
218 | { |
215 | SV *defsv; |
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216 | AV *defav; |
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217 | SV *errsv; |
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218 | SV *irsgv; |
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219 | HV *hinthv; |
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220 | #define VAR(name,type) type name; |
219 | #define VARx(name,expr,type) type name; |
221 | # include "state.h" |
220 | #include "state.h" |
222 | #undef VAR |
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223 | } perl_slots; |
221 | } perl_slots; |
224 | |
222 | |
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223 | /* how many context stack entries do we need for perl_slots */ |
225 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
224 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
226 | |
225 | |
227 | /* this is a structure representing a perl-level coroutine */ |
226 | /* this is a structure representing a perl-level coroutine */ |
228 | struct coro { |
227 | struct coro |
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228 | { |
229 | /* the C coroutine allocated to this perl coroutine, if any */ |
229 | /* the C coroutine allocated to this perl coroutine, if any */ |
230 | coro_cctx *cctx; |
230 | coro_cctx *cctx; |
231 | |
231 | |
232 | /* ready queue */ |
232 | /* ready queue */ |
233 | struct coro *next_ready; |
233 | struct coro *next_ready; |
… | |
… | |
235 | /* state data */ |
235 | /* state data */ |
236 | struct CoroSLF slf_frame; /* saved slf frame */ |
236 | struct CoroSLF slf_frame; /* saved slf frame */ |
237 | AV *mainstack; |
237 | AV *mainstack; |
238 | perl_slots *slot; /* basically the saved sp */ |
238 | perl_slots *slot; /* basically the saved sp */ |
239 | |
239 | |
240 | CV *startcv; /* the CV to execute */ |
240 | CV *startcv; /* the CV to execute */ |
241 | AV *args; /* data associated with this coroutine (initial args) */ |
241 | AV *args; /* data associated with this coroutine (initial args) */ |
242 | int refcnt; /* coroutines are refcounted, yes */ |
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|
243 | int flags; /* CF_ flags */ |
242 | int flags; /* CF_ flags */ |
244 | HV *hv; /* the perl hash associated with this coro, if any */ |
243 | HV *hv; /* the perl hash associated with this coro, if any */ |
245 | void (*on_destroy)(pTHX_ struct coro *coro); |
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246 | |
244 | |
247 | /* statistics */ |
245 | /* statistics */ |
248 | int usecount; /* number of transfers to this coro */ |
246 | int usecount; /* number of transfers to this coro */ |
249 | |
247 | |
250 | /* coro process data */ |
248 | /* coro process data */ |
251 | int prio; |
249 | int prio; |
252 | SV *except; /* exception to be thrown */ |
250 | SV *except; /* exception to be thrown */ |
253 | 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 */ |
254 | |
254 | |
255 | /* async_pool */ |
255 | /* async_pool */ |
256 | SV *saved_deffh; |
256 | SV *saved_deffh; |
257 | SV *invoke_cb; |
257 | SV *invoke_cb; |
258 | AV *invoke_av; |
258 | AV *invoke_av; |
259 | |
259 | |
260 | /* on_enter/on_leave */ |
260 | /* on_enter/on_leave */ |
261 | AV *on_enter; |
261 | AV *on_enter; AV *on_enter_xs; |
262 | AV *on_leave; |
262 | AV *on_leave; AV *on_leave_xs; |
263 | |
263 | |
264 | /* swap_sv */ |
264 | /* swap_sv */ |
265 | AV *swap_sv; |
265 | AV *swap_sv; |
266 | |
266 | |
267 | /* times */ |
267 | /* times */ |
… | |
… | |
274 | typedef struct coro *Coro__State; |
274 | typedef struct coro *Coro__State; |
275 | typedef struct coro *Coro__State_or_hashref; |
275 | typedef struct coro *Coro__State_or_hashref; |
276 | |
276 | |
277 | /* the following variables are effectively part of the perl context */ |
277 | /* the following variables are effectively part of the perl context */ |
278 | /* and get copied between struct coro and these variables */ |
278 | /* and get copied between struct coro and these variables */ |
279 | /* the mainr easonw e don't support windows process emulation */ |
279 | /* the main reason we don't support windows process emulation */ |
280 | static struct CoroSLF slf_frame; /* the current slf frame */ |
280 | static struct CoroSLF slf_frame; /* the current slf frame */ |
281 | |
281 | |
282 | /** Coro ********************************************************************/ |
282 | /** Coro ********************************************************************/ |
283 | |
283 | |
284 | #define CORO_PRIO_MAX 3 |
284 | #define CORO_PRIO_MAX 3 |
… | |
… | |
290 | |
290 | |
291 | /* for Coro.pm */ |
291 | /* for Coro.pm */ |
292 | static SV *coro_current; |
292 | static SV *coro_current; |
293 | static SV *coro_readyhook; |
293 | static SV *coro_readyhook; |
294 | 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 */ |
295 | static CV *cv_coro_run, *cv_coro_terminate; |
295 | static CV *cv_coro_run; |
296 | static struct coro *coro_first; |
296 | static struct coro *coro_first; |
297 | #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 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 ECB_AMD64 && 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) || _POSIX_MEMORY_PROTECTION <= 0 |
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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 |
298 | |
321 | |
299 | /** Coro::Select ************************************************************/ |
322 | /** Coro::Select ************************************************************/ |
300 | |
323 | |
301 | static OP *(*coro_old_pp_sselect) (pTHX); |
324 | static OP *(*coro_old_pp_sselect) (pTHX); |
302 | static SV *coro_select_select; |
325 | static SV *coro_select_select; |
… | |
… | |
314 | PL_op->op_flags |= OPf_STACKED; |
337 | PL_op->op_flags |= OPf_STACKED; |
315 | PL_op->op_private = 0; |
338 | PL_op->op_private = 0; |
316 | return PL_ppaddr [OP_ENTERSUB](aTHX); |
339 | return PL_ppaddr [OP_ENTERSUB](aTHX); |
317 | } |
340 | } |
318 | |
341 | |
|
|
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); |
|
|
389 | u2time = INT2PTR (void (*)(pTHX_ UV ret[2]), SvIV (*svp)); |
|
|
390 | } |
|
|
391 | |
|
|
392 | #endif |
|
|
393 | |
319 | /** lowlevel stuff **********************************************************/ |
394 | /** lowlevel stuff **********************************************************/ |
320 | |
395 | |
321 | static SV * |
396 | static SV * ecb_noinline |
322 | coro_get_sv (pTHX_ const char *name, int create) |
397 | coro_get_sv (pTHX_ const char *name, int create) |
323 | { |
398 | { |
324 | #if PERL_VERSION_ATLEAST (5,10,0) |
399 | #if PERL_VERSION_ATLEAST (5,10,0) |
325 | /* 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 */ |
326 | get_sv (name, create); |
401 | get_sv (name, create); |
327 | #endif |
402 | #endif |
328 | return get_sv (name, create); |
403 | return get_sv (name, create); |
329 | } |
404 | } |
330 | |
405 | |
331 | static AV * |
406 | static AV * ecb_noinline |
332 | coro_get_av (pTHX_ const char *name, int create) |
407 | coro_get_av (pTHX_ const char *name, int create) |
333 | { |
408 | { |
334 | #if PERL_VERSION_ATLEAST (5,10,0) |
409 | #if PERL_VERSION_ATLEAST (5,10,0) |
335 | /* 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 */ |
336 | get_av (name, create); |
411 | get_av (name, create); |
337 | #endif |
412 | #endif |
338 | return get_av (name, create); |
413 | return get_av (name, create); |
339 | } |
414 | } |
340 | |
415 | |
341 | static HV * |
416 | static HV * ecb_noinline |
342 | coro_get_hv (pTHX_ const char *name, int create) |
417 | coro_get_hv (pTHX_ const char *name, int create) |
343 | { |
418 | { |
344 | #if PERL_VERSION_ATLEAST (5,10,0) |
419 | #if PERL_VERSION_ATLEAST (5,10,0) |
345 | /* 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 */ |
346 | get_hv (name, create); |
421 | get_hv (name, create); |
347 | #endif |
422 | #endif |
348 | return get_hv (name, create); |
423 | return get_hv (name, create); |
349 | } |
424 | } |
350 | |
425 | |
351 | INLINE void |
426 | ecb_inline void |
352 | coro_times_update () |
427 | coro_times_update (void) |
353 | { |
428 | { |
354 | #ifdef coro_clock_gettime |
429 | #ifdef coro_clock_gettime |
355 | struct timespec ts; |
430 | struct timespec ts; |
356 | |
431 | |
357 | ts.tv_sec = ts.tv_nsec = 0; |
432 | ts.tv_sec = ts.tv_nsec = 0; |
… | |
… | |
369 | time_real [0] = tv [0]; |
444 | time_real [0] = tv [0]; |
370 | time_real [1] = tv [1] * 1000; |
445 | time_real [1] = tv [1] * 1000; |
371 | #endif |
446 | #endif |
372 | } |
447 | } |
373 | |
448 | |
374 | INLINE void |
449 | ecb_inline void |
375 | coro_times_add (struct coro *c) |
450 | coro_times_add (struct coro *c) |
376 | { |
451 | { |
377 | c->t_real [1] += time_real [1]; |
452 | c->t_real [1] += time_real [1]; |
378 | 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]; } |
379 | c->t_real [0] += time_real [0]; |
454 | c->t_real [0] += time_real [0]; |
… | |
… | |
381 | c->t_cpu [1] += time_cpu [1]; |
456 | c->t_cpu [1] += time_cpu [1]; |
382 | 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]; } |
383 | c->t_cpu [0] += time_cpu [0]; |
458 | c->t_cpu [0] += time_cpu [0]; |
384 | } |
459 | } |
385 | |
460 | |
386 | INLINE void |
461 | ecb_inline void |
387 | coro_times_sub (struct coro *c) |
462 | coro_times_sub (struct coro *c) |
388 | { |
463 | { |
389 | 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]; } |
390 | c->t_real [1] -= time_real [1]; |
465 | c->t_real [1] -= time_real [1]; |
391 | c->t_real [0] -= time_real [0]; |
466 | c->t_real [0] -= time_real [0]; |
… | |
… | |
399 | /* magic glue */ |
474 | /* magic glue */ |
400 | |
475 | |
401 | #define CORO_MAGIC_type_cv 26 |
476 | #define CORO_MAGIC_type_cv 26 |
402 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
477 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
403 | |
478 | |
404 | #define CORO_MAGIC_NN(sv, type) \ |
479 | #define CORO_MAGIC_NN(sv, type) \ |
405 | (expect_true (SvMAGIC (sv)->mg_type == type) \ |
480 | (ecb_expect_true (SvMAGIC (sv)->mg_type == type) \ |
406 | ? SvMAGIC (sv) \ |
481 | ? SvMAGIC (sv) \ |
407 | : mg_find (sv, type)) |
482 | : mg_find (sv, type)) |
408 | |
483 | |
409 | #define CORO_MAGIC(sv, type) \ |
484 | #define CORO_MAGIC(sv, type) \ |
410 | (expect_true (SvMAGIC (sv)) \ |
485 | (ecb_expect_true (SvMAGIC (sv)) \ |
411 | ? CORO_MAGIC_NN (sv, type) \ |
486 | ? CORO_MAGIC_NN (sv, type) \ |
412 | : 0) |
487 | : 0) |
413 | |
488 | |
414 | #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) |
415 | #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) |
416 | |
491 | |
417 | INLINE struct coro * |
492 | ecb_inline MAGIC * |
418 | SvSTATE_ (pTHX_ SV *coro) |
493 | SvSTATEhv_p (pTHX_ SV *coro) |
419 | { |
494 | { |
420 | HV *stash; |
|
|
421 | MAGIC *mg; |
495 | MAGIC *mg; |
422 | |
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 * |
|
|
508 | SvSTATE_ (pTHX_ SV *coro_sv) |
|
|
509 | { |
|
|
510 | MAGIC *mg; |
|
|
511 | |
423 | if (SvROK (coro)) |
512 | if (SvROK (coro_sv)) |
424 | coro = SvRV (coro); |
513 | coro_sv = SvRV (coro_sv); |
425 | |
514 | |
426 | if (expect_false (SvTYPE (coro) != SVt_PVHV)) |
515 | mg = SvSTATEhv_p (aTHX_ coro_sv); |
|
|
516 | if (!mg) |
427 | croak ("Coro::State object required"); |
517 | croak ("Coro::State object required"); |
428 | |
518 | |
429 | stash = SvSTASH (coro); |
|
|
430 | if (expect_false (stash != coro_stash && stash != coro_state_stash)) |
|
|
431 | { |
|
|
432 | /* very slow, but rare, check */ |
|
|
433 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
|
|
434 | croak ("Coro::State object required"); |
|
|
435 | } |
|
|
436 | |
|
|
437 | mg = CORO_MAGIC_state (coro); |
|
|
438 | return (struct coro *)mg->mg_ptr; |
519 | return (struct coro *)mg->mg_ptr; |
439 | } |
520 | } |
440 | |
521 | |
441 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
522 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
442 | |
523 | |
… | |
… | |
445 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
526 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
446 | |
527 | |
447 | /*****************************************************************************/ |
528 | /*****************************************************************************/ |
448 | /* padlist management and caching */ |
529 | /* padlist management and caching */ |
449 | |
530 | |
450 | static AV * |
531 | ecb_inline PADLIST * |
451 | coro_derive_padlist (pTHX_ CV *cv) |
532 | coro_derive_padlist (pTHX_ CV *cv) |
452 | { |
533 | { |
453 | AV *padlist = CvPADLIST (cv); |
534 | PADLIST *padlist = CvPADLIST (cv); |
454 | AV *newpadlist, *newpad; |
535 | PADLIST *newpadlist; |
|
|
536 | PADNAMELIST *padnames; |
|
|
537 | PAD *newpad; |
|
|
538 | PADOFFSET off = PadlistMAX (padlist) + 1; |
455 | |
539 | |
456 | newpadlist = newAV (); |
540 | #if NEWPADAPI |
|
|
541 | |
|
|
542 | /* if we had the original CvDEPTH, we might be able to steal the CvDEPTH+1 entry instead */ |
|
|
543 | /* 20131102194744.GA6705@schmorp.de, 20131102195825.2013.qmail@lists-nntp.develooper.com */ |
|
|
544 | while (!PadlistARRAY (padlist)[off - 1]) |
|
|
545 | --off; |
|
|
546 | |
|
|
547 | Perl_pad_push (aTHX_ padlist, off); |
|
|
548 | |
|
|
549 | newpad = PadlistARRAY (padlist)[off]; |
|
|
550 | PadlistARRAY (padlist)[off] = 0; |
|
|
551 | |
|
|
552 | #else |
|
|
553 | |
|
|
554 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
555 | Perl_pad_push (aTHX_ padlist, off); |
|
|
556 | #else |
|
|
557 | Perl_pad_push (aTHX_ padlist, off, 1); |
|
|
558 | #endif |
|
|
559 | |
|
|
560 | newpad = PadlistARRAY (padlist)[off]; |
|
|
561 | PadlistMAX (padlist) = off - 1; |
|
|
562 | |
|
|
563 | #endif |
|
|
564 | |
|
|
565 | newPADLIST (newpadlist); |
|
|
566 | #if !PERL_VERSION_ATLEAST(5,15,3) |
|
|
567 | /* Padlists are AvREAL as of 5.15.3. See perl bug #98092 and perl commit 7d953ba. */ |
457 | AvREAL_off (newpadlist); |
568 | AvREAL_off (newpadlist); |
458 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
459 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1); |
|
|
460 | #else |
|
|
461 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
|
|
462 | #endif |
569 | #endif |
463 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
|
|
464 | --AvFILLp (padlist); |
|
|
465 | |
570 | |
466 | av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0])); |
571 | /* Already extended to 2 elements by newPADLIST. */ |
467 | av_store (newpadlist, 1, (SV *)newpad); |
572 | PadlistMAX (newpadlist) = 1; |
|
|
573 | |
|
|
574 | padnames = PadlistNAMES (padlist); |
|
|
575 | ++PadnamelistREFCNT (padnames); |
|
|
576 | PadlistNAMES (newpadlist) = padnames; |
|
|
577 | |
|
|
578 | PadlistARRAY (newpadlist)[1] = newpad; |
468 | |
579 | |
469 | return newpadlist; |
580 | return newpadlist; |
470 | } |
581 | } |
471 | |
582 | |
472 | static void |
583 | ecb_inline void |
473 | free_padlist (pTHX_ AV *padlist) |
584 | free_padlist (pTHX_ PADLIST *padlist) |
474 | { |
585 | { |
475 | /* may be during global destruction */ |
586 | /* may be during global destruction */ |
476 | if (!IN_DESTRUCT) |
587 | if (!IN_DESTRUCT) |
477 | { |
588 | { |
478 | I32 i = AvFILLp (padlist); |
589 | I32 i = PadlistMAX (padlist); |
479 | |
590 | |
480 | while (i > 0) /* special-case index 0 */ |
591 | while (i > 0) /* special-case index 0 */ |
481 | { |
592 | { |
482 | /* we try to be extra-careful here */ |
593 | /* we try to be extra-careful here */ |
483 | AV *av = (AV *)AvARRAY (padlist)[i--]; |
594 | PAD *pad = PadlistARRAY (padlist)[i--]; |
484 | I32 j = AvFILLp (av); |
|
|
485 | |
595 | |
|
|
596 | if (pad) |
|
|
597 | { |
|
|
598 | I32 j = PadMAX (pad); |
|
|
599 | |
486 | while (j >= 0) |
600 | while (j >= 0) |
487 | SvREFCNT_dec (AvARRAY (av)[j--]); |
601 | SvREFCNT_dec (PadARRAY (pad)[j--]); |
488 | |
602 | |
489 | AvFILLp (av) = -1; |
603 | PadMAX (pad) = -1; |
490 | SvREFCNT_dec (av); |
604 | SvREFCNT_dec (pad); |
|
|
605 | } |
491 | } |
606 | } |
492 | |
607 | |
493 | SvREFCNT_dec (AvARRAY (padlist)[0]); |
608 | PadnamelistREFCNT_dec (PadlistNAMES (padlist)); |
494 | |
609 | |
|
|
610 | #if NEWPADAPI |
|
|
611 | Safefree (PadlistARRAY (padlist)); |
|
|
612 | Safefree (padlist); |
|
|
613 | #else |
495 | AvFILLp (padlist) = -1; |
614 | AvFILLp (padlist) = -1; |
|
|
615 | AvREAL_off (padlist); |
496 | SvREFCNT_dec ((SV*)padlist); |
616 | SvREFCNT_dec ((SV*)padlist); |
|
|
617 | #endif |
497 | } |
618 | } |
498 | } |
619 | } |
499 | |
620 | |
500 | static int |
621 | static int |
501 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
622 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
502 | { |
623 | { |
503 | AV *padlist; |
624 | PADLIST *padlist; |
504 | AV *av = (AV *)mg->mg_obj; |
625 | PADLIST **padlists = (PADLIST **)(mg->mg_ptr + sizeof(size_t)); |
|
|
626 | size_t len = *(size_t *)mg->mg_ptr; |
505 | |
627 | |
506 | /* perl manages to free our internal AV and _then_ call us */ |
628 | /* perl manages to free our internal AV and _then_ call us */ |
507 | if (IN_DESTRUCT) |
629 | if (IN_DESTRUCT) |
508 | return 0; |
630 | return 0; |
509 | |
631 | |
510 | /* casting is fun. */ |
632 | while (len--) |
511 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
|
|
512 | free_padlist (aTHX_ padlist); |
633 | free_padlist (aTHX_ padlists[len]); |
513 | |
|
|
514 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
|
|
515 | |
634 | |
516 | return 0; |
635 | return 0; |
517 | } |
636 | } |
518 | |
637 | |
519 | static MGVTBL coro_cv_vtbl = { |
638 | static MGVTBL coro_cv_vtbl = { |
520 | 0, 0, 0, 0, |
639 | 0, 0, 0, 0, |
521 | coro_cv_free |
640 | coro_cv_free |
522 | }; |
641 | }; |
523 | |
642 | |
524 | /* the next two functions merely cache the padlists */ |
643 | /* the next two functions merely cache the padlists */ |
525 | static void |
644 | ecb_inline void |
526 | get_padlist (pTHX_ CV *cv) |
645 | get_padlist (pTHX_ CV *cv) |
527 | { |
646 | { |
528 | MAGIC *mg = CORO_MAGIC_cv (cv); |
647 | MAGIC *mg = CORO_MAGIC_cv (cv); |
529 | AV *av; |
648 | size_t *lenp; |
530 | |
649 | |
531 | if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
650 | if (ecb_expect_true (mg && *(lenp = (size_t *)mg->mg_ptr))) |
532 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
651 | CvPADLIST (cv) = ((PADLIST **)(mg->mg_ptr + sizeof(size_t)))[--*lenp]; |
533 | else |
652 | else |
534 | { |
653 | { |
535 | #if CORO_PREFER_PERL_FUNCTIONS |
654 | #if CORO_PREFER_PERL_FUNCTIONS |
536 | /* this is probably cleaner? but also slower! */ |
655 | /* this is probably cleaner? but also slower! */ |
537 | /* in practise, it seems to be less stable */ |
656 | /* in practise, it seems to be less stable */ |
… | |
… | |
543 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
662 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
544 | #endif |
663 | #endif |
545 | } |
664 | } |
546 | } |
665 | } |
547 | |
666 | |
548 | static void |
667 | ecb_inline void |
549 | put_padlist (pTHX_ CV *cv) |
668 | put_padlist (pTHX_ CV *cv) |
550 | { |
669 | { |
551 | MAGIC *mg = CORO_MAGIC_cv (cv); |
670 | MAGIC *mg = CORO_MAGIC_cv (cv); |
552 | AV *av; |
|
|
553 | |
671 | |
554 | if (expect_false (!mg)) |
672 | if (ecb_expect_false (!mg)) |
|
|
673 | { |
555 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
674 | mg = sv_magicext ((SV *)cv, 0, CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
|
|
675 | Newz (0, mg->mg_ptr ,sizeof (size_t) + sizeof (PADLIST *), char); |
|
|
676 | mg->mg_len = 1; /* so mg_free frees mg_ptr */ |
|
|
677 | } |
|
|
678 | else |
|
|
679 | Renew (mg->mg_ptr, |
|
|
680 | sizeof(size_t) + (*(size_t *)mg->mg_ptr + 1) * sizeof(PADLIST *), |
|
|
681 | char); |
556 | |
682 | |
557 | av = (AV *)mg->mg_obj; |
683 | ((PADLIST **)(mg->mg_ptr + sizeof (size_t))) [(*(size_t *)mg->mg_ptr)++] = CvPADLIST (cv); |
558 | |
|
|
559 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
|
|
560 | av_extend (av, AvFILLp (av) + 1); |
|
|
561 | |
|
|
562 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
|
|
563 | } |
684 | } |
564 | |
685 | |
565 | /** load & save, init *******************************************************/ |
686 | /** load & save, init *******************************************************/ |
566 | |
687 | |
|
|
688 | ecb_inline void |
|
|
689 | swap_sv (SV *a, SV *b) |
|
|
690 | { |
|
|
691 | const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */ |
|
|
692 | SV tmp; |
|
|
693 | |
|
|
694 | /* swap sv_any */ |
|
|
695 | SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp); |
|
|
696 | |
|
|
697 | /* swap sv_flags */ |
|
|
698 | SvFLAGS (&tmp) = SvFLAGS (a); |
|
|
699 | SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep); |
|
|
700 | SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep); |
|
|
701 | |
|
|
702 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
703 | /* perl 5.10 and later complicates this _quite_ a bit, but it also |
|
|
704 | * is much faster, so no quarrels here. alternatively, we could |
|
|
705 | * sv_upgrade to avoid this. |
|
|
706 | */ |
|
|
707 | { |
|
|
708 | /* swap sv_u */ |
|
|
709 | tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u; |
|
|
710 | |
|
|
711 | /* if SvANY points to the head, we need to adjust the pointers, |
|
|
712 | * as the pointer for a still points to b, and maybe vice versa. |
|
|
713 | */ |
|
|
714 | #define svany_in_head(type) \ |
|
|
715 | (((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type))) |
|
|
716 | |
|
|
717 | if (svany_in_head (SvTYPE (a))) |
|
|
718 | SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a); |
|
|
719 | |
|
|
720 | if (svany_in_head (SvTYPE (b))) |
|
|
721 | SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b); |
|
|
722 | } |
|
|
723 | #endif |
|
|
724 | } |
|
|
725 | |
567 | /* swap sv heads, at least logically */ |
726 | /* swap sv heads, at least logically */ |
568 | static void |
727 | static void |
569 | swap_svs (pTHX_ Coro__State c) |
728 | swap_svs (pTHX_ Coro__State c) |
570 | { |
729 | { |
571 | int i; |
730 | int i; |
572 | |
731 | |
573 | for (i = 0; i <= AvFILLp (c->swap_sv); ) |
732 | for (i = 0; i <= AvFILLp (c->swap_sv); i += 2) |
574 | { |
733 | swap_sv (AvARRAY (c->swap_sv)[i], AvARRAY (c->swap_sv)[i + 1]); |
575 | SV *a = AvARRAY (c->swap_sv)[i++]; |
|
|
576 | SV *b = AvARRAY (c->swap_sv)[i++]; |
|
|
577 | |
|
|
578 | const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */ |
|
|
579 | SV tmp; |
|
|
580 | |
|
|
581 | /* swap sv_any */ |
|
|
582 | SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp); |
|
|
583 | |
|
|
584 | /* swap sv_flags */ |
|
|
585 | SvFLAGS (&tmp) = SvFLAGS (a); |
|
|
586 | SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep); |
|
|
587 | SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep); |
|
|
588 | |
|
|
589 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
590 | /* perl 5.10 complicates this _quite_ a bit, but it also is |
|
|
591 | * is much faster, so no quarrels here. alternatively, we could |
|
|
592 | * sv_upgrade to avoid this. |
|
|
593 | */ |
|
|
594 | { |
|
|
595 | /* swap sv_u */ |
|
|
596 | tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u; |
|
|
597 | |
|
|
598 | /* if SvANY points to the head, we need to adjust the pointers, |
|
|
599 | * as the pointer for a still points to b, and maybe vice versa. |
|
|
600 | */ |
|
|
601 | #define svany_in_head(type) \ |
|
|
602 | (((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type))) |
|
|
603 | |
|
|
604 | if (svany_in_head (SvTYPE (a))) |
|
|
605 | SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a); |
|
|
606 | |
|
|
607 | if (svany_in_head (SvTYPE (b))) |
|
|
608 | SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b); |
|
|
609 | } |
|
|
610 | #endif |
|
|
611 | } |
|
|
612 | } |
734 | } |
613 | |
735 | |
614 | #define SWAP_SVS(coro) \ |
736 | #define SWAP_SVS(coro) \ |
615 | if (expect_false ((coro)->swap_sv)) \ |
737 | if (ecb_expect_false ((coro)->swap_sv)) \ |
616 | swap_svs (aTHX_ (coro)) |
738 | swap_svs (aTHX_ (coro)) |
617 | |
739 | |
618 | static void |
740 | static void |
619 | on_enterleave_call (pTHX_ SV *cb); |
741 | on_enterleave_call (pTHX_ SV *cb); |
620 | |
742 | |
… | |
… | |
624 | perl_slots *slot = c->slot; |
746 | perl_slots *slot = c->slot; |
625 | c->slot = 0; |
747 | c->slot = 0; |
626 | |
748 | |
627 | PL_mainstack = c->mainstack; |
749 | PL_mainstack = c->mainstack; |
628 | |
750 | |
629 | GvSV (PL_defgv) = slot->defsv; |
751 | #if CORO_JIT |
630 | GvAV (PL_defgv) = slot->defav; |
752 | load_perl_slots (slot); |
631 | GvSV (PL_errgv) = slot->errsv; |
753 | #else |
632 | GvSV (irsgv) = slot->irsgv; |
|
|
633 | GvHV (PL_hintgv) = slot->hinthv; |
|
|
634 | |
|
|
635 | #define VAR(name,type) PL_ ## name = slot->name; |
754 | #define VARx(name,expr,type) expr = slot->name; |
636 | # include "state.h" |
755 | #include "state.h" |
637 | #undef VAR |
756 | #endif |
638 | |
757 | |
639 | { |
758 | { |
640 | dSP; |
759 | dSP; |
641 | |
760 | |
642 | CV *cv; |
761 | CV *cv; |
643 | |
762 | |
644 | /* now do the ugly restore mess */ |
763 | /* now do the ugly restore mess */ |
645 | while (expect_true (cv = (CV *)POPs)) |
764 | while (ecb_expect_true (cv = (CV *)POPs)) |
646 | { |
765 | { |
647 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
766 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
648 | CvDEPTH (cv) = PTR2IV (POPs); |
767 | CvDEPTH (cv) = PTR2IV (POPs); |
649 | CvPADLIST (cv) = (AV *)POPs; |
768 | CvPADLIST (cv) = (PADLIST *)POPs; |
650 | } |
769 | } |
651 | |
770 | |
652 | PUTBACK; |
771 | PUTBACK; |
653 | } |
772 | } |
654 | |
773 | |
655 | slf_frame = c->slf_frame; |
774 | slf_frame = c->slf_frame; |
656 | CORO_THROW = c->except; |
775 | CORO_THROW = c->except; |
657 | |
776 | |
658 | if (expect_false (enable_times)) |
777 | if (ecb_expect_false (enable_times)) |
659 | { |
778 | { |
660 | if (expect_false (!times_valid)) |
779 | if (ecb_expect_false (!times_valid)) |
661 | coro_times_update (); |
780 | coro_times_update (); |
662 | |
781 | |
663 | coro_times_sub (c); |
782 | coro_times_sub (c); |
664 | } |
783 | } |
665 | |
784 | |
666 | if (expect_false (c->on_enter)) |
785 | if (ecb_expect_false (c->on_enter)) |
667 | { |
786 | { |
668 | int i; |
787 | int i; |
669 | |
788 | |
670 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
789 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
671 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
790 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
672 | } |
791 | } |
673 | |
792 | |
|
|
793 | if (ecb_expect_false (c->on_enter_xs)) |
|
|
794 | { |
|
|
795 | int i; |
|
|
796 | |
|
|
797 | for (i = 0; i <= AvFILLp (c->on_enter_xs); i += 2) |
|
|
798 | ((coro_enterleave_hook)AvARRAY (c->on_enter_xs)[i]) (aTHX_ AvARRAY (c->on_enter_xs)[i + 1]); |
|
|
799 | } |
|
|
800 | |
674 | SWAP_SVS (c); |
801 | SWAP_SVS (c); |
675 | } |
802 | } |
676 | |
803 | |
677 | static void |
804 | static void |
678 | save_perl (pTHX_ Coro__State c) |
805 | save_perl (pTHX_ Coro__State c) |
679 | { |
806 | { |
680 | SWAP_SVS (c); |
807 | SWAP_SVS (c); |
681 | |
808 | |
|
|
809 | if (ecb_expect_false (c->on_leave_xs)) |
|
|
810 | { |
|
|
811 | int i; |
|
|
812 | |
|
|
813 | for (i = AvFILLp (c->on_leave_xs) - 1; i >= 0; i -= 2) |
|
|
814 | ((coro_enterleave_hook)AvARRAY (c->on_leave_xs)[i]) (aTHX_ AvARRAY (c->on_leave_xs)[i + 1]); |
|
|
815 | } |
|
|
816 | |
682 | if (expect_false (c->on_leave)) |
817 | if (ecb_expect_false (c->on_leave)) |
683 | { |
818 | { |
684 | int i; |
819 | int i; |
685 | |
820 | |
686 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
821 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
687 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
822 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
688 | } |
823 | } |
689 | |
824 | |
690 | times_valid = 0; |
825 | times_valid = 0; |
691 | |
826 | |
692 | if (expect_false (enable_times)) |
827 | if (ecb_expect_false (enable_times)) |
693 | { |
828 | { |
694 | coro_times_update (); times_valid = 1; |
829 | coro_times_update (); times_valid = 1; |
695 | coro_times_add (c); |
830 | coro_times_add (c); |
696 | } |
831 | } |
697 | |
832 | |
… | |
… | |
711 | |
846 | |
712 | XPUSHs (Nullsv); |
847 | XPUSHs (Nullsv); |
713 | /* this loop was inspired by pp_caller */ |
848 | /* this loop was inspired by pp_caller */ |
714 | for (;;) |
849 | for (;;) |
715 | { |
850 | { |
716 | while (expect_true (cxix >= 0)) |
851 | while (ecb_expect_true (cxix >= 0)) |
717 | { |
852 | { |
718 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
853 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
719 | |
854 | |
720 | if (expect_true (CxTYPE (cx) == CXt_SUB) || expect_false (CxTYPE (cx) == CXt_FORMAT)) |
855 | if (ecb_expect_true (CxTYPE (cx) == CXt_SUB) || ecb_expect_false (CxTYPE (cx) == CXt_FORMAT)) |
721 | { |
856 | { |
722 | CV *cv = cx->blk_sub.cv; |
857 | CV *cv = cx->blk_sub.cv; |
723 | |
858 | |
724 | if (expect_true (CvDEPTH (cv))) |
859 | if (ecb_expect_true (CvDEPTH (cv))) |
725 | { |
860 | { |
726 | EXTEND (SP, 3); |
861 | EXTEND (SP, 3); |
727 | PUSHs ((SV *)CvPADLIST (cv)); |
862 | PUSHs ((SV *)CvPADLIST (cv)); |
728 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
863 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
729 | PUSHs ((SV *)cv); |
864 | PUSHs ((SV *)cv); |
… | |
… | |
732 | get_padlist (aTHX_ cv); |
867 | get_padlist (aTHX_ cv); |
733 | } |
868 | } |
734 | } |
869 | } |
735 | } |
870 | } |
736 | |
871 | |
737 | if (expect_true (top_si->si_type == PERLSI_MAIN)) |
872 | if (ecb_expect_true (top_si->si_type == PERLSI_MAIN)) |
738 | break; |
873 | break; |
739 | |
874 | |
740 | top_si = top_si->si_prev; |
875 | top_si = top_si->si_prev; |
741 | ccstk = top_si->si_cxstack; |
876 | ccstk = top_si->si_cxstack; |
742 | cxix = top_si->si_cxix; |
877 | cxix = top_si->si_cxix; |
… | |
… | |
744 | |
879 | |
745 | PUTBACK; |
880 | PUTBACK; |
746 | } |
881 | } |
747 | |
882 | |
748 | /* allocate some space on the context stack for our purposes */ |
883 | /* allocate some space on the context stack for our purposes */ |
749 | /* we manually unroll here, as usually 2 slots is enough */ |
884 | if (ecb_expect_false (cxstack_ix + (int)SLOT_COUNT >= cxstack_max)) |
750 | if (SLOT_COUNT >= 1) CXINC; |
|
|
751 | if (SLOT_COUNT >= 2) CXINC; |
|
|
752 | if (SLOT_COUNT >= 3) CXINC; |
|
|
753 | { |
885 | { |
754 | unsigned int i; |
886 | unsigned int i; |
|
|
887 | |
755 | for (i = 3; i < SLOT_COUNT; ++i) |
888 | for (i = 0; i < SLOT_COUNT; ++i) |
756 | CXINC; |
889 | CXINC; |
757 | } |
890 | |
758 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
891 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
|
|
892 | } |
759 | |
893 | |
760 | c->mainstack = PL_mainstack; |
894 | c->mainstack = PL_mainstack; |
761 | |
895 | |
762 | { |
896 | { |
763 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
897 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
764 | |
898 | |
765 | slot->defav = GvAV (PL_defgv); |
899 | #if CORO_JIT |
766 | slot->defsv = DEFSV; |
900 | save_perl_slots (slot); |
767 | slot->errsv = ERRSV; |
901 | #else |
768 | slot->irsgv = GvSV (irsgv); |
|
|
769 | slot->hinthv = GvHV (PL_hintgv); |
|
|
770 | |
|
|
771 | #define VAR(name,type) slot->name = PL_ ## name; |
902 | #define VARx(name,expr,type) slot->name = expr; |
772 | # include "state.h" |
903 | #include "state.h" |
773 | #undef VAR |
904 | #endif |
774 | } |
905 | } |
775 | } |
906 | } |
776 | |
907 | |
777 | /* |
908 | /* |
778 | * allocate various perl stacks. This is almost an exact copy |
909 | * allocate various perl stacks. This is almost an exact copy |
… | |
… | |
784 | # define coro_init_stacks(thx) init_stacks () |
915 | # define coro_init_stacks(thx) init_stacks () |
785 | #else |
916 | #else |
786 | static void |
917 | static void |
787 | coro_init_stacks (pTHX) |
918 | coro_init_stacks (pTHX) |
788 | { |
919 | { |
789 | PL_curstackinfo = new_stackinfo(32, 8); |
920 | PL_curstackinfo = new_stackinfo(32, 4 + SLOT_COUNT); /* 3 is minimum due to perl rounding down in scope.c:GROW() */ |
790 | PL_curstackinfo->si_type = PERLSI_MAIN; |
921 | PL_curstackinfo->si_type = PERLSI_MAIN; |
791 | PL_curstack = PL_curstackinfo->si_stack; |
922 | PL_curstack = PL_curstackinfo->si_stack; |
792 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
923 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
793 | |
924 | |
794 | PL_stack_base = AvARRAY(PL_curstack); |
925 | PL_stack_base = AvARRAY(PL_curstack); |
… | |
… | |
809 | #endif |
940 | #endif |
810 | |
941 | |
811 | New(54,PL_scopestack,8,I32); |
942 | New(54,PL_scopestack,8,I32); |
812 | PL_scopestack_ix = 0; |
943 | PL_scopestack_ix = 0; |
813 | PL_scopestack_max = 8; |
944 | PL_scopestack_max = 8; |
|
|
945 | #if HAS_SCOPESTACK_NAME |
|
|
946 | New(54,PL_scopestack_name,8,const char*); |
|
|
947 | #endif |
814 | |
948 | |
815 | New(54,PL_savestack,24,ANY); |
949 | New(54,PL_savestack,24,ANY); |
816 | PL_savestack_ix = 0; |
950 | PL_savestack_ix = 0; |
817 | PL_savestack_max = 24; |
951 | PL_savestack_max = 24; |
818 | |
952 | |
… | |
… | |
846 | } |
980 | } |
847 | |
981 | |
848 | Safefree (PL_tmps_stack); |
982 | Safefree (PL_tmps_stack); |
849 | Safefree (PL_markstack); |
983 | Safefree (PL_markstack); |
850 | Safefree (PL_scopestack); |
984 | Safefree (PL_scopestack); |
|
|
985 | #if HAS_SCOPESTACK_NAME |
|
|
986 | Safefree (PL_scopestack_name); |
|
|
987 | #endif |
851 | Safefree (PL_savestack); |
988 | Safefree (PL_savestack); |
852 | #if !PERL_VERSION_ATLEAST (5,10,0) |
989 | #if !PERL_VERSION_ATLEAST (5,10,0) |
853 | Safefree (PL_retstack); |
990 | Safefree (PL_retstack); |
854 | #endif |
991 | #endif |
855 | } |
992 | } |
… | |
… | |
901 | #endif |
1038 | #endif |
902 | |
1039 | |
903 | /* |
1040 | /* |
904 | * This overrides the default magic get method of %SIG elements. |
1041 | * This overrides the default magic get method of %SIG elements. |
905 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
1042 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
906 | * and instead of trying to save and restore the hash elements, we just provide |
1043 | * and instead of trying to save and restore the hash elements (extremely slow), |
907 | * readback here. |
1044 | * we just provide our own readback here. |
908 | */ |
1045 | */ |
909 | static int |
1046 | static int ecb_cold |
910 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
1047 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
911 | { |
1048 | { |
912 | const char *s = MgPV_nolen_const (mg); |
1049 | const char *s = MgPV_nolen_const (mg); |
913 | |
1050 | |
914 | if (*s == '_') |
1051 | if (*s == '_') |
915 | { |
1052 | { |
916 | SV **svp = 0; |
1053 | SV **svp = 0; |
917 | |
1054 | |
918 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
1055 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
919 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
1056 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
920 | |
1057 | |
921 | if (svp) |
1058 | if (svp) |
922 | { |
1059 | { |
923 | sv_setsv (sv, *svp ? *svp : &PL_sv_undef); |
1060 | SV *ssv; |
|
|
1061 | |
|
|
1062 | if (!*svp) |
|
|
1063 | ssv = &PL_sv_undef; |
|
|
1064 | else if (SvTYPE (*svp) == SVt_PVCV) /* perlio directly stores a CV in warnhook. ugh. */ |
|
|
1065 | ssv = sv_2mortal (newRV_inc (*svp)); |
|
|
1066 | else |
|
|
1067 | ssv = *svp; |
|
|
1068 | |
|
|
1069 | sv_setsv (sv, ssv); |
924 | return 0; |
1070 | return 0; |
925 | } |
1071 | } |
926 | } |
1072 | } |
927 | |
1073 | |
928 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
1074 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
929 | } |
1075 | } |
930 | |
1076 | |
931 | static int |
1077 | static int ecb_cold |
932 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
1078 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
933 | { |
1079 | { |
934 | const char *s = MgPV_nolen_const (mg); |
1080 | const char *s = MgPV_nolen_const (mg); |
935 | |
1081 | |
936 | if (*s == '_') |
1082 | if (*s == '_') |
… | |
… | |
950 | } |
1096 | } |
951 | |
1097 | |
952 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
1098 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
953 | } |
1099 | } |
954 | |
1100 | |
955 | static int |
1101 | static int ecb_cold |
956 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
1102 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
957 | { |
1103 | { |
958 | const char *s = MgPV_nolen_const (mg); |
1104 | const char *s = MgPV_nolen_const (mg); |
959 | |
1105 | |
960 | if (*s == '_') |
1106 | if (*s == '_') |
… | |
… | |
995 | return 1; |
1141 | return 1; |
996 | } |
1142 | } |
997 | |
1143 | |
998 | static UNOP init_perl_op; |
1144 | static UNOP init_perl_op; |
999 | |
1145 | |
1000 | static void NOINLINE /* noinline to keep it out of the transfer fast path */ |
1146 | ecb_noinline static void /* noinline to keep it out of the transfer fast path */ |
1001 | init_perl (pTHX_ struct coro *coro) |
1147 | init_perl (pTHX_ struct coro *coro) |
1002 | { |
1148 | { |
1003 | /* |
1149 | /* |
1004 | * emulate part of the perl startup here. |
1150 | * emulate part of the perl startup here. |
1005 | */ |
1151 | */ |
… | |
… | |
1013 | PL_comppad_name_fill = 0; |
1159 | PL_comppad_name_fill = 0; |
1014 | PL_comppad_name_floor = 0; |
1160 | PL_comppad_name_floor = 0; |
1015 | PL_curpm = 0; |
1161 | PL_curpm = 0; |
1016 | PL_curpad = 0; |
1162 | PL_curpad = 0; |
1017 | PL_localizing = 0; |
1163 | PL_localizing = 0; |
1018 | PL_dirty = 0; |
|
|
1019 | PL_restartop = 0; |
1164 | PL_restartop = 0; |
1020 | #if PERL_VERSION_ATLEAST (5,10,0) |
1165 | #if PERL_VERSION_ATLEAST (5,10,0) |
1021 | PL_parser = 0; |
1166 | PL_parser = 0; |
1022 | #endif |
1167 | #endif |
1023 | PL_hints = 0; |
1168 | PL_hints = 0; |
1024 | |
1169 | |
1025 | /* recreate the die/warn hooks */ |
1170 | /* recreate the die/warn hooks */ |
1026 | PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); |
1171 | PL_diehook = SvREFCNT_inc (rv_diehook); |
1027 | PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook); |
1172 | PL_warnhook = SvREFCNT_inc (rv_warnhook); |
1028 | |
1173 | |
1029 | GvSV (PL_defgv) = newSV (0); |
1174 | GvSV (PL_defgv) = newSV (0); |
1030 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1175 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1031 | GvSV (PL_errgv) = newSV (0); |
1176 | GvSV (PL_errgv) = newSV (0); |
1032 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
1177 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
1033 | GvHV (PL_hintgv) = 0; |
1178 | GvHV (PL_hintgv) = newHV (); |
|
|
1179 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
1180 | hv_magic (GvHV (PL_hintgv), 0, PERL_MAGIC_hints); |
|
|
1181 | #endif |
1034 | PL_rs = newSVsv (GvSV (irsgv)); |
1182 | PL_rs = newSVsv (GvSV (irsgv)); |
1035 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
1183 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
1036 | |
1184 | |
1037 | { |
1185 | { |
1038 | dSP; |
1186 | dSP; |
… | |
… | |
1053 | /* this newly created coroutine might be run on an existing cctx which most |
1201 | /* this newly created coroutine might be run on an existing cctx which most |
1054 | * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. |
1202 | * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. |
1055 | */ |
1203 | */ |
1056 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
1204 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
1057 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
1205 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
|
|
1206 | slf_frame.destroy = 0; |
1058 | |
1207 | |
1059 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
1208 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
1060 | init_perl_op.op_next = PL_op; |
1209 | init_perl_op.op_next = PL_op; |
1061 | init_perl_op.op_type = OP_ENTERSUB; |
1210 | init_perl_op.op_type = OP_ENTERSUB; |
1062 | init_perl_op.op_ppaddr = pp_slf; |
1211 | init_perl_op.op_ppaddr = pp_slf; |
… | |
… | |
1067 | /* copy throw, in case it was set before init_perl */ |
1216 | /* copy throw, in case it was set before init_perl */ |
1068 | CORO_THROW = coro->except; |
1217 | CORO_THROW = coro->except; |
1069 | |
1218 | |
1070 | SWAP_SVS (coro); |
1219 | SWAP_SVS (coro); |
1071 | |
1220 | |
1072 | if (expect_false (enable_times)) |
1221 | if (ecb_expect_false (enable_times)) |
1073 | { |
1222 | { |
1074 | coro_times_update (); |
1223 | coro_times_update (); |
1075 | coro_times_sub (coro); |
1224 | coro_times_sub (coro); |
1076 | } |
1225 | } |
1077 | } |
1226 | } |
… | |
… | |
1101 | destroy_perl (pTHX_ struct coro *coro) |
1250 | destroy_perl (pTHX_ struct coro *coro) |
1102 | { |
1251 | { |
1103 | SV *svf [9]; |
1252 | SV *svf [9]; |
1104 | |
1253 | |
1105 | { |
1254 | { |
|
|
1255 | SV *old_current = SvRV (coro_current); |
1106 | struct coro *current = SvSTATE_current; |
1256 | struct coro *current = SvSTATE (old_current); |
1107 | |
1257 | |
1108 | assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack)); |
1258 | assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack)); |
1109 | |
1259 | |
1110 | save_perl (aTHX_ current); |
1260 | save_perl (aTHX_ current); |
|
|
1261 | |
|
|
1262 | /* this will cause transfer_check to croak on block*/ |
|
|
1263 | SvRV_set (coro_current, (SV *)coro->hv); |
|
|
1264 | |
1111 | load_perl (aTHX_ coro); |
1265 | load_perl (aTHX_ coro); |
1112 | |
1266 | |
1113 | coro_unwind_stacks (aTHX); |
1267 | coro_unwind_stacks (aTHX); |
1114 | coro_destruct_stacks (aTHX); |
|
|
1115 | |
1268 | |
1116 | /* restore swapped sv's */ |
1269 | /* restore swapped sv's */ |
1117 | SWAP_SVS (coro); |
1270 | SWAP_SVS (coro); |
1118 | |
1271 | |
|
|
1272 | coro_destruct_stacks (aTHX); |
|
|
1273 | |
1119 | // now save some sv's to be free'd later |
1274 | /* now save some sv's to be free'd later */ |
1120 | svf [0] = GvSV (PL_defgv); |
1275 | svf [0] = GvSV (PL_defgv); |
1121 | svf [1] = (SV *)GvAV (PL_defgv); |
1276 | svf [1] = (SV *)GvAV (PL_defgv); |
1122 | svf [2] = GvSV (PL_errgv); |
1277 | svf [2] = GvSV (PL_errgv); |
1123 | svf [3] = (SV *)PL_defoutgv; |
1278 | svf [3] = (SV *)PL_defoutgv; |
1124 | svf [4] = PL_rs; |
1279 | svf [4] = PL_rs; |
… | |
… | |
1126 | svf [6] = (SV *)GvHV (PL_hintgv); |
1281 | svf [6] = (SV *)GvHV (PL_hintgv); |
1127 | svf [7] = PL_diehook; |
1282 | svf [7] = PL_diehook; |
1128 | svf [8] = PL_warnhook; |
1283 | svf [8] = PL_warnhook; |
1129 | assert (9 == sizeof (svf) / sizeof (*svf)); |
1284 | assert (9 == sizeof (svf) / sizeof (*svf)); |
1130 | |
1285 | |
|
|
1286 | SvRV_set (coro_current, old_current); |
|
|
1287 | |
1131 | load_perl (aTHX_ current); |
1288 | load_perl (aTHX_ current); |
1132 | } |
1289 | } |
1133 | |
1290 | |
1134 | { |
1291 | { |
1135 | unsigned int i; |
1292 | unsigned int i; |
… | |
… | |
1139 | |
1296 | |
1140 | SvREFCNT_dec (coro->saved_deffh); |
1297 | SvREFCNT_dec (coro->saved_deffh); |
1141 | SvREFCNT_dec (coro->rouse_cb); |
1298 | SvREFCNT_dec (coro->rouse_cb); |
1142 | SvREFCNT_dec (coro->invoke_cb); |
1299 | SvREFCNT_dec (coro->invoke_cb); |
1143 | SvREFCNT_dec (coro->invoke_av); |
1300 | SvREFCNT_dec (coro->invoke_av); |
|
|
1301 | SvREFCNT_dec (coro->on_enter_xs); |
|
|
1302 | SvREFCNT_dec (coro->on_leave_xs); |
1144 | } |
1303 | } |
1145 | } |
1304 | } |
1146 | |
1305 | |
1147 | INLINE void |
1306 | ecb_inline void |
1148 | free_coro_mortal (pTHX) |
1307 | free_coro_mortal (pTHX) |
1149 | { |
1308 | { |
1150 | if (expect_true (coro_mortal)) |
1309 | if (ecb_expect_true (coro_mortal)) |
1151 | { |
1310 | { |
1152 | SvREFCNT_dec (coro_mortal); |
1311 | SvREFCNT_dec ((SV *)coro_mortal); |
1153 | coro_mortal = 0; |
1312 | coro_mortal = 0; |
1154 | } |
1313 | } |
1155 | } |
1314 | } |
1156 | |
1315 | |
1157 | static int |
1316 | static int |
… | |
… | |
1211 | |
1370 | |
1212 | if (PL_curcop != &PL_compiling) |
1371 | if (PL_curcop != &PL_compiling) |
1213 | { |
1372 | { |
1214 | SV **cb; |
1373 | SV **cb; |
1215 | |
1374 | |
1216 | if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB) |
1375 | if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB && cxstack_ix >= 0) |
1217 | { |
1376 | { |
1218 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1377 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1219 | |
1378 | |
1220 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
1379 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
1221 | { |
1380 | { |
… | |
… | |
1290 | |
1449 | |
1291 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1450 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1292 | } |
1451 | } |
1293 | |
1452 | |
1294 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1453 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1295 | static void NOINLINE |
1454 | static void ecb_noinline |
1296 | cctx_prepare (pTHX) |
1455 | cctx_prepare (pTHX) |
1297 | { |
1456 | { |
1298 | PL_top_env = &PL_start_env; |
1457 | PL_top_env = &PL_start_env; |
1299 | |
1458 | |
1300 | if (cctx_current->flags & CC_TRACE) |
1459 | if (cctx_current->flags & CC_TRACE) |
… | |
… | |
1311 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1470 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1312 | slf_frame.check = slf_check_set_stacklevel; |
1471 | slf_frame.check = slf_check_set_stacklevel; |
1313 | } |
1472 | } |
1314 | |
1473 | |
1315 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1474 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1316 | INLINE void |
1475 | ecb_inline void |
1317 | transfer_tail (pTHX) |
1476 | transfer_tail (pTHX) |
1318 | { |
1477 | { |
1319 | free_coro_mortal (aTHX); |
1478 | free_coro_mortal (aTHX); |
|
|
1479 | } |
|
|
1480 | |
|
|
1481 | /* try to exit the same way perl's main function would do */ |
|
|
1482 | /* we do not bother resetting the environment or other things *7 |
|
|
1483 | /* that are not, uhm, essential */ |
|
|
1484 | /* this obviously also doesn't work when perl is embedded */ |
|
|
1485 | static void ecb_noinline ecb_cold |
|
|
1486 | perlish_exit (pTHX) |
|
|
1487 | { |
|
|
1488 | int exitstatus = perl_destruct (PL_curinterp); |
|
|
1489 | perl_free (PL_curinterp); |
|
|
1490 | exit (exitstatus); |
1320 | } |
1491 | } |
1321 | |
1492 | |
1322 | /* |
1493 | /* |
1323 | * this is a _very_ stripped down perl interpreter ;) |
1494 | * this is a _very_ stripped down perl interpreter ;) |
1324 | */ |
1495 | */ |
… | |
… | |
1353 | */ |
1524 | */ |
1354 | |
1525 | |
1355 | /* |
1526 | /* |
1356 | * If perl-run returns we assume exit() was being called or the coro |
1527 | * If perl-run returns we assume exit() was being called or the coro |
1357 | * fell off the end, which seems to be the only valid (non-bug) |
1528 | * fell off the end, which seems to be the only valid (non-bug) |
1358 | * reason for perl_run to return. We try to exit by jumping to the |
1529 | * reason for perl_run to return. We try to mimic whatever perl is normally |
1359 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
1530 | * doing in that case. YMMV. |
1360 | * coroutine as Coro has no such concept. |
|
|
1361 | * This actually isn't valid with the pthread backend, but OSes requiring |
|
|
1362 | * that backend are too broken to do it in a standards-compliant way. |
|
|
1363 | */ |
1531 | */ |
1364 | PL_top_env = main_top_env; |
1532 | perlish_exit (aTHX); |
1365 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
|
|
1366 | } |
1533 | } |
1367 | } |
1534 | } |
1368 | |
1535 | |
1369 | static coro_cctx * |
1536 | static coro_cctx * |
1370 | cctx_new () |
1537 | cctx_new (void) |
1371 | { |
1538 | { |
1372 | coro_cctx *cctx; |
1539 | coro_cctx *cctx; |
1373 | |
1540 | |
1374 | ++cctx_count; |
1541 | ++cctx_count; |
1375 | New (0, cctx, 1, coro_cctx); |
1542 | New (0, cctx, 1, coro_cctx); |
… | |
… | |
1381 | return cctx; |
1548 | return cctx; |
1382 | } |
1549 | } |
1383 | |
1550 | |
1384 | /* create a new cctx only suitable as source */ |
1551 | /* create a new cctx only suitable as source */ |
1385 | static coro_cctx * |
1552 | static coro_cctx * |
1386 | cctx_new_empty () |
1553 | cctx_new_empty (void) |
1387 | { |
1554 | { |
1388 | coro_cctx *cctx = cctx_new (); |
1555 | coro_cctx *cctx = cctx_new (); |
1389 | |
1556 | |
1390 | cctx->sptr = 0; |
1557 | cctx->stack.sptr = 0; |
1391 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
1558 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
1392 | |
1559 | |
1393 | return cctx; |
1560 | return cctx; |
1394 | } |
1561 | } |
1395 | |
1562 | |
1396 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1563 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1397 | static coro_cctx * |
1564 | static coro_cctx * |
1398 | cctx_new_run () |
1565 | cctx_new_run (void) |
1399 | { |
1566 | { |
1400 | coro_cctx *cctx = cctx_new (); |
1567 | coro_cctx *cctx = cctx_new (); |
1401 | void *stack_start; |
|
|
1402 | size_t stack_size; |
|
|
1403 | |
1568 | |
1404 | #if HAVE_MMAP |
1569 | if (!coro_stack_alloc (&cctx->stack, cctx_stacksize)) |
1405 | cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
|
|
1406 | /* mmap supposedly does allocate-on-write for us */ |
|
|
1407 | cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
|
|
1408 | |
|
|
1409 | if (cctx->sptr != (void *)-1) |
|
|
1410 | { |
|
|
1411 | #if CORO_STACKGUARD |
|
|
1412 | mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); |
|
|
1413 | #endif |
|
|
1414 | stack_start = (char *)cctx->sptr + CORO_STACKGUARD * PAGESIZE; |
|
|
1415 | stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE; |
|
|
1416 | cctx->flags |= CC_MAPPED; |
|
|
1417 | } |
1570 | { |
1418 | else |
|
|
1419 | #endif |
|
|
1420 | { |
|
|
1421 | cctx->ssize = cctx_stacksize * (long)sizeof (long); |
|
|
1422 | New (0, cctx->sptr, cctx_stacksize, long); |
|
|
1423 | |
|
|
1424 | if (!cctx->sptr) |
|
|
1425 | { |
|
|
1426 | perror ("FATAL: unable to allocate stack for coroutine, exiting."); |
1571 | perror ("FATAL: unable to allocate stack for coroutine, exiting."); |
1427 | _exit (EXIT_FAILURE); |
1572 | _exit (EXIT_FAILURE); |
1428 | } |
|
|
1429 | |
|
|
1430 | stack_start = cctx->sptr; |
|
|
1431 | stack_size = cctx->ssize; |
|
|
1432 | } |
1573 | } |
1433 | |
1574 | |
1434 | #if CORO_USE_VALGRIND |
|
|
1435 | cctx->valgrind_id = VALGRIND_STACK_REGISTER ((char *)stack_start, (char *)stack_start + stack_size); |
|
|
1436 | #endif |
|
|
1437 | |
|
|
1438 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size); |
1575 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, cctx->stack.sptr, cctx->stack.ssze); |
1439 | |
1576 | |
1440 | return cctx; |
1577 | return cctx; |
1441 | } |
1578 | } |
1442 | |
1579 | |
1443 | static void |
1580 | static void |
1444 | cctx_destroy (coro_cctx *cctx) |
1581 | cctx_destroy (coro_cctx *cctx) |
1445 | { |
1582 | { |
1446 | if (!cctx) |
1583 | if (!cctx) |
1447 | return; |
1584 | return; |
1448 | |
1585 | |
1449 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));//D temporary? |
1586 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current)); |
1450 | |
1587 | |
1451 | --cctx_count; |
1588 | --cctx_count; |
1452 | coro_destroy (&cctx->cctx); |
1589 | coro_destroy (&cctx->cctx); |
1453 | |
1590 | |
1454 | /* coro_transfer creates new, empty cctx's */ |
1591 | coro_stack_free (&cctx->stack); |
1455 | if (cctx->sptr) |
|
|
1456 | { |
|
|
1457 | #if CORO_USE_VALGRIND |
|
|
1458 | VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); |
|
|
1459 | #endif |
|
|
1460 | |
|
|
1461 | #if HAVE_MMAP |
|
|
1462 | if (cctx->flags & CC_MAPPED) |
|
|
1463 | munmap (cctx->sptr, cctx->ssize); |
|
|
1464 | else |
|
|
1465 | #endif |
|
|
1466 | Safefree (cctx->sptr); |
|
|
1467 | } |
|
|
1468 | |
1592 | |
1469 | Safefree (cctx); |
1593 | Safefree (cctx); |
1470 | } |
1594 | } |
1471 | |
1595 | |
1472 | /* wether this cctx should be destructed */ |
1596 | /* wether this cctx should be destructed */ |
1473 | #define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) |
1597 | #define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) |
1474 | |
1598 | |
1475 | static coro_cctx * |
1599 | static coro_cctx * |
1476 | cctx_get (pTHX) |
1600 | cctx_get (pTHX) |
1477 | { |
1601 | { |
1478 | while (expect_true (cctx_first)) |
1602 | while (ecb_expect_true (cctx_first)) |
1479 | { |
1603 | { |
1480 | coro_cctx *cctx = cctx_first; |
1604 | coro_cctx *cctx = cctx_first; |
1481 | cctx_first = cctx->next; |
1605 | cctx_first = cctx->next; |
1482 | --cctx_idle; |
1606 | --cctx_idle; |
1483 | |
1607 | |
1484 | if (expect_true (!CCTX_EXPIRED (cctx))) |
1608 | if (ecb_expect_true (!CCTX_EXPIRED (cctx))) |
1485 | return cctx; |
1609 | return cctx; |
1486 | |
1610 | |
1487 | cctx_destroy (cctx); |
1611 | cctx_destroy (cctx); |
1488 | } |
1612 | } |
1489 | |
1613 | |
… | |
… | |
1491 | } |
1615 | } |
1492 | |
1616 | |
1493 | static void |
1617 | static void |
1494 | cctx_put (coro_cctx *cctx) |
1618 | cctx_put (coro_cctx *cctx) |
1495 | { |
1619 | { |
1496 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr)); |
1620 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->stack.sptr)); |
1497 | |
1621 | |
1498 | /* free another cctx if overlimit */ |
1622 | /* free another cctx if overlimit */ |
1499 | if (expect_false (cctx_idle >= cctx_max_idle)) |
1623 | if (ecb_expect_false (cctx_idle >= cctx_max_idle)) |
1500 | { |
1624 | { |
1501 | coro_cctx *first = cctx_first; |
1625 | coro_cctx *first = cctx_first; |
1502 | cctx_first = first->next; |
1626 | cctx_first = first->next; |
1503 | --cctx_idle; |
1627 | --cctx_idle; |
1504 | |
1628 | |
… | |
… | |
1515 | static void |
1639 | static void |
1516 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1640 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1517 | { |
1641 | { |
1518 | /* TODO: throwing up here is considered harmful */ |
1642 | /* TODO: throwing up here is considered harmful */ |
1519 | |
1643 | |
1520 | if (expect_true (prev != next)) |
1644 | if (ecb_expect_true (prev != next)) |
1521 | { |
1645 | { |
1522 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1646 | if (ecb_expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1523 | croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); |
1647 | croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); |
1524 | |
1648 | |
1525 | if (expect_false (next->flags & (CF_RUNNING | CF_DESTROYED | CF_SUSPENDED))) |
1649 | if (ecb_expect_false (next->flags & (CF_RUNNING | CF_ZOMBIE | CF_SUSPENDED))) |
1526 | croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); |
1650 | croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); |
1527 | |
1651 | |
1528 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1652 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1529 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1653 | if (ecb_expect_false (PL_lex_state != LEX_NOTPARSING)) |
1530 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1654 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1531 | #endif |
1655 | #endif |
1532 | } |
1656 | } |
1533 | } |
1657 | } |
1534 | |
1658 | |
1535 | /* always use the TRANSFER macro */ |
1659 | /* always use the TRANSFER macro */ |
1536 | static void NOINLINE /* noinline so we have a fixed stackframe */ |
1660 | static void ecb_noinline /* noinline so we have a fixed stackframe */ |
1537 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1661 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1538 | { |
1662 | { |
1539 | dSTACKLEVEL; |
1663 | dSTACKLEVEL; |
1540 | |
1664 | |
1541 | /* sometimes transfer is only called to set idle_sp */ |
1665 | /* sometimes transfer is only called to set idle_sp */ |
1542 | if (expect_false (!prev)) |
1666 | if (ecb_expect_false (!prev)) |
1543 | { |
1667 | { |
1544 | cctx_current->idle_sp = STACKLEVEL; |
1668 | cctx_current->idle_sp = STACKLEVEL; |
1545 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1669 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1546 | } |
1670 | } |
1547 | else if (expect_true (prev != next)) |
1671 | else if (ecb_expect_true (prev != next)) |
1548 | { |
1672 | { |
1549 | coro_cctx *cctx_prev; |
1673 | coro_cctx *cctx_prev; |
1550 | |
1674 | |
1551 | if (expect_false (prev->flags & CF_NEW)) |
1675 | if (ecb_expect_false (prev->flags & CF_NEW)) |
1552 | { |
1676 | { |
1553 | /* create a new empty/source context */ |
1677 | /* create a new empty/source context */ |
1554 | prev->flags &= ~CF_NEW; |
1678 | prev->flags &= ~CF_NEW; |
1555 | prev->flags |= CF_RUNNING; |
1679 | prev->flags |= CF_RUNNING; |
1556 | } |
1680 | } |
… | |
… | |
1559 | next->flags |= CF_RUNNING; |
1683 | next->flags |= CF_RUNNING; |
1560 | |
1684 | |
1561 | /* first get rid of the old state */ |
1685 | /* first get rid of the old state */ |
1562 | save_perl (aTHX_ prev); |
1686 | save_perl (aTHX_ prev); |
1563 | |
1687 | |
1564 | if (expect_false (next->flags & CF_NEW)) |
1688 | if (ecb_expect_false (next->flags & CF_NEW)) |
1565 | { |
1689 | { |
1566 | /* need to start coroutine */ |
1690 | /* need to start coroutine */ |
1567 | next->flags &= ~CF_NEW; |
1691 | next->flags &= ~CF_NEW; |
1568 | /* setup coroutine call */ |
1692 | /* setup coroutine call */ |
1569 | init_perl (aTHX_ next); |
1693 | init_perl (aTHX_ next); |
1570 | } |
1694 | } |
1571 | else |
1695 | else |
1572 | load_perl (aTHX_ next); |
1696 | load_perl (aTHX_ next); |
1573 | |
1697 | |
1574 | /* possibly untie and reuse the cctx */ |
1698 | /* possibly untie and reuse the cctx */ |
1575 | if (expect_true ( |
1699 | if (ecb_expect_true ( |
1576 | cctx_current->idle_sp == STACKLEVEL |
1700 | cctx_current->idle_sp == STACKLEVEL |
1577 | && !(cctx_current->flags & CC_TRACE) |
1701 | && !(cctx_current->flags & CC_TRACE) |
1578 | && !force_cctx |
1702 | && !force_cctx |
1579 | )) |
1703 | )) |
1580 | { |
1704 | { |
1581 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1705 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1582 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1706 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1583 | |
1707 | |
1584 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1708 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1585 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1709 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1586 | if (expect_false (CCTX_EXPIRED (cctx_current))) |
1710 | if (ecb_expect_false (CCTX_EXPIRED (cctx_current))) |
1587 | if (expect_true (!next->cctx)) |
1711 | if (ecb_expect_true (!next->cctx)) |
1588 | next->cctx = cctx_get (aTHX); |
1712 | next->cctx = cctx_get (aTHX); |
1589 | |
1713 | |
1590 | cctx_put (cctx_current); |
1714 | cctx_put (cctx_current); |
1591 | } |
1715 | } |
1592 | else |
1716 | else |
1593 | prev->cctx = cctx_current; |
1717 | prev->cctx = cctx_current; |
1594 | |
1718 | |
1595 | ++next->usecount; |
1719 | ++next->usecount; |
1596 | |
1720 | |
1597 | cctx_prev = cctx_current; |
1721 | cctx_prev = cctx_current; |
1598 | cctx_current = expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1722 | cctx_current = ecb_expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1599 | |
1723 | |
1600 | next->cctx = 0; |
1724 | next->cctx = 0; |
1601 | |
1725 | |
1602 | if (expect_false (cctx_prev != cctx_current)) |
1726 | if (ecb_expect_false (cctx_prev != cctx_current)) |
1603 | { |
1727 | { |
1604 | cctx_prev->top_env = PL_top_env; |
1728 | cctx_prev->top_env = PL_top_env; |
1605 | PL_top_env = cctx_current->top_env; |
1729 | PL_top_env = cctx_current->top_env; |
1606 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1730 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1607 | } |
1731 | } |
… | |
… | |
1613 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1737 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1614 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1738 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1615 | |
1739 | |
1616 | /** high level stuff ********************************************************/ |
1740 | /** high level stuff ********************************************************/ |
1617 | |
1741 | |
|
|
1742 | /* this function is actually Coro, not Coro::State, but we call it from here */ |
|
|
1743 | /* because it is convenient - but it hasn't been declared yet for that reason */ |
1618 | static int |
1744 | static void |
|
|
1745 | coro_call_on_destroy (pTHX_ struct coro *coro); |
|
|
1746 | |
|
|
1747 | static void |
1619 | coro_state_destroy (pTHX_ struct coro *coro) |
1748 | coro_state_destroy (pTHX_ struct coro *coro) |
1620 | { |
1749 | { |
1621 | if (coro->flags & CF_DESTROYED) |
1750 | if (coro->flags & CF_ZOMBIE) |
1622 | return 0; |
1751 | return; |
1623 | |
1752 | |
1624 | if (coro->on_destroy && !PL_dirty) |
|
|
1625 | coro->on_destroy (aTHX_ coro); |
1753 | slf_destroy (aTHX_ coro); |
1626 | |
1754 | |
1627 | coro->flags |= CF_DESTROYED; |
1755 | coro->flags |= CF_ZOMBIE; |
1628 | |
1756 | |
1629 | if (coro->flags & CF_READY) |
1757 | if (coro->flags & CF_READY) |
1630 | { |
1758 | { |
1631 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1759 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1632 | /* alternative: look through all ready queues and remove the coro */ |
1760 | /* alternative: look through all ready queues and remove the coro */ |
1633 | --coro_nready; |
1761 | --coro_nready; |
1634 | } |
1762 | } |
1635 | else |
1763 | else |
1636 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
1764 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
|
|
1765 | |
|
|
1766 | if (coro->next) coro->next->prev = coro->prev; |
|
|
1767 | if (coro->prev) coro->prev->next = coro->next; |
|
|
1768 | if (coro == coro_first) coro_first = coro->next; |
1637 | |
1769 | |
1638 | if (coro->mainstack |
1770 | if (coro->mainstack |
1639 | && coro->mainstack != main_mainstack |
1771 | && coro->mainstack != main_mainstack |
1640 | && coro->slot |
1772 | && coro->slot |
1641 | && !PL_dirty) |
1773 | && !PL_dirty) |
1642 | destroy_perl (aTHX_ coro); |
1774 | destroy_perl (aTHX_ coro); |
1643 | |
1775 | |
1644 | if (coro->next) coro->next->prev = coro->prev; |
|
|
1645 | if (coro->prev) coro->prev->next = coro->next; |
|
|
1646 | if (coro == coro_first) coro_first = coro->next; |
|
|
1647 | |
|
|
1648 | cctx_destroy (coro->cctx); |
1776 | cctx_destroy (coro->cctx); |
1649 | SvREFCNT_dec (coro->startcv); |
1777 | SvREFCNT_dec (coro->startcv); |
1650 | SvREFCNT_dec (coro->args); |
1778 | SvREFCNT_dec (coro->args); |
1651 | SvREFCNT_dec (coro->swap_sv); |
1779 | SvREFCNT_dec (coro->swap_sv); |
1652 | SvREFCNT_dec (CORO_THROW); |
1780 | SvREFCNT_dec (CORO_THROW); |
1653 | |
1781 | |
1654 | return 1; |
1782 | coro_call_on_destroy (aTHX_ coro); |
|
|
1783 | |
|
|
1784 | /* more destruction mayhem in coro_state_free */ |
1655 | } |
1785 | } |
1656 | |
1786 | |
1657 | static int |
1787 | static int |
1658 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1788 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1659 | { |
1789 | { |
1660 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1790 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1661 | mg->mg_ptr = 0; |
1791 | mg->mg_ptr = 0; |
1662 | |
1792 | |
1663 | coro->hv = 0; |
|
|
1664 | |
|
|
1665 | if (--coro->refcnt < 0) |
|
|
1666 | { |
|
|
1667 | coro_state_destroy (aTHX_ coro); |
1793 | coro_state_destroy (aTHX_ coro); |
|
|
1794 | SvREFCNT_dec (coro->on_destroy); |
|
|
1795 | SvREFCNT_dec (coro->status); |
|
|
1796 | |
1668 | Safefree (coro); |
1797 | Safefree (coro); |
1669 | } |
|
|
1670 | |
1798 | |
1671 | return 0; |
1799 | return 0; |
1672 | } |
1800 | } |
1673 | |
1801 | |
1674 | static int |
1802 | static int ecb_cold |
1675 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1803 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1676 | { |
1804 | { |
1677 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1805 | /* called when perl clones the current process the slow way (windows process emulation) */ |
1678 | |
1806 | /* WE SIMply nuke the pointers in the copy, causing perl to croak */ |
1679 | ++coro->refcnt; |
1807 | mg->mg_ptr = 0; |
|
|
1808 | mg->mg_virtual = 0; |
1680 | |
1809 | |
1681 | return 0; |
1810 | return 0; |
1682 | } |
1811 | } |
1683 | |
1812 | |
1684 | static MGVTBL coro_state_vtbl = { |
1813 | static MGVTBL coro_state_vtbl = { |
… | |
… | |
1709 | TRANSFER (ta, 1); |
1838 | TRANSFER (ta, 1); |
1710 | } |
1839 | } |
1711 | |
1840 | |
1712 | /** Coro ********************************************************************/ |
1841 | /** Coro ********************************************************************/ |
1713 | |
1842 | |
1714 | INLINE void |
1843 | ecb_inline void |
1715 | coro_enq (pTHX_ struct coro *coro) |
1844 | coro_enq (pTHX_ struct coro *coro) |
1716 | { |
1845 | { |
1717 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1846 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1718 | |
1847 | |
1719 | SvREFCNT_inc_NN (coro->hv); |
1848 | SvREFCNT_inc_NN (coro->hv); |
… | |
… | |
1721 | coro->next_ready = 0; |
1850 | coro->next_ready = 0; |
1722 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
1851 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
1723 | ready [1] = coro; |
1852 | ready [1] = coro; |
1724 | } |
1853 | } |
1725 | |
1854 | |
1726 | INLINE struct coro * |
1855 | ecb_inline struct coro * |
1727 | coro_deq (pTHX) |
1856 | coro_deq (pTHX) |
1728 | { |
1857 | { |
1729 | int prio; |
1858 | int prio; |
1730 | |
1859 | |
1731 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
1860 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
… | |
… | |
1784 | { |
1913 | { |
1785 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1914 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1786 | } |
1915 | } |
1787 | |
1916 | |
1788 | /* expects to own a reference to next->hv */ |
1917 | /* expects to own a reference to next->hv */ |
1789 | INLINE void |
1918 | ecb_inline void |
1790 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1919 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1791 | { |
1920 | { |
1792 | SV *prev_sv = SvRV (coro_current); |
1921 | SV *prev_sv = SvRV (coro_current); |
1793 | |
1922 | |
1794 | ta->prev = SvSTATE_hv (prev_sv); |
1923 | ta->prev = SvSTATE_hv (prev_sv); |
… | |
… | |
1807 | { |
1936 | { |
1808 | for (;;) |
1937 | for (;;) |
1809 | { |
1938 | { |
1810 | struct coro *next = coro_deq (aTHX); |
1939 | struct coro *next = coro_deq (aTHX); |
1811 | |
1940 | |
1812 | if (expect_true (next)) |
1941 | if (ecb_expect_true (next)) |
1813 | { |
1942 | { |
1814 | /* cannot transfer to destroyed coros, skip and look for next */ |
1943 | /* cannot transfer to destroyed coros, skip and look for next */ |
1815 | if (expect_false (next->flags & (CF_DESTROYED | CF_SUSPENDED))) |
1944 | if (ecb_expect_false (next->flags & (CF_ZOMBIE | CF_SUSPENDED))) |
1816 | SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ |
1945 | SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ |
1817 | else |
1946 | else |
1818 | { |
1947 | { |
1819 | next->flags &= ~CF_READY; |
1948 | next->flags &= ~CF_READY; |
1820 | --coro_nready; |
1949 | --coro_nready; |
… | |
… | |
1828 | /* nothing to schedule: call the idle handler */ |
1957 | /* nothing to schedule: call the idle handler */ |
1829 | if (SvROK (sv_idle) |
1958 | if (SvROK (sv_idle) |
1830 | && SvOBJECT (SvRV (sv_idle))) |
1959 | && SvOBJECT (SvRV (sv_idle))) |
1831 | { |
1960 | { |
1832 | if (SvRV (sv_idle) == SvRV (coro_current)) |
1961 | if (SvRV (sv_idle) == SvRV (coro_current)) |
|
|
1962 | { |
|
|
1963 | require_pv ("Carp"); |
|
|
1964 | |
|
|
1965 | { |
|
|
1966 | dSP; |
|
|
1967 | |
|
|
1968 | ENTER; |
|
|
1969 | SAVETMPS; |
|
|
1970 | |
|
|
1971 | PUSHMARK (SP); |
1833 | croak ("FATAL: $Coro::IDLE blocked itself - did you try to block inside an event loop callback? Caught"); |
1972 | XPUSHs (sv_2mortal (newSVpv ("FATAL: $Coro::idle blocked itself - did you try to block inside an event loop callback? Caught", 0))); |
|
|
1973 | PUTBACK; |
|
|
1974 | call_pv ("Carp::confess", G_VOID | G_DISCARD); |
|
|
1975 | |
|
|
1976 | FREETMPS; |
|
|
1977 | LEAVE; |
|
|
1978 | } |
|
|
1979 | } |
1834 | |
1980 | |
1835 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
1981 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
1836 | api_ready (aTHX_ SvRV (sv_idle)); |
1982 | api_ready (aTHX_ SvRV (sv_idle)); |
1837 | --coro_nready; |
1983 | --coro_nready; |
1838 | } |
1984 | } |
… | |
… | |
1853 | } |
1999 | } |
1854 | } |
2000 | } |
1855 | } |
2001 | } |
1856 | } |
2002 | } |
1857 | |
2003 | |
1858 | INLINE void |
2004 | ecb_inline void |
1859 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
2005 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1860 | { |
2006 | { |
1861 | api_ready (aTHX_ coro_current); |
2007 | api_ready (aTHX_ coro_current); |
1862 | prepare_schedule (aTHX_ ta); |
2008 | prepare_schedule (aTHX_ ta); |
1863 | } |
2009 | } |
1864 | |
2010 | |
1865 | INLINE void |
2011 | ecb_inline void |
1866 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
2012 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
1867 | { |
2013 | { |
1868 | SV *prev = SvRV (coro_current); |
2014 | SV *prev = SvRV (coro_current); |
1869 | |
2015 | |
1870 | if (coro_nready) |
2016 | if (coro_nready) |
… | |
… | |
1900 | { |
2046 | { |
1901 | struct coro_transfer_args ta; |
2047 | struct coro_transfer_args ta; |
1902 | |
2048 | |
1903 | prepare_cede (aTHX_ &ta); |
2049 | prepare_cede (aTHX_ &ta); |
1904 | |
2050 | |
1905 | if (expect_true (ta.prev != ta.next)) |
2051 | if (ecb_expect_true (ta.prev != ta.next)) |
1906 | { |
2052 | { |
1907 | TRANSFER (ta, 1); |
2053 | TRANSFER (ta, 1); |
1908 | return 1; |
2054 | return 1; |
1909 | } |
2055 | } |
1910 | else |
2056 | else |
… | |
… | |
1953 | coro->slot->runops = RUNOPS_DEFAULT; |
2099 | coro->slot->runops = RUNOPS_DEFAULT; |
1954 | } |
2100 | } |
1955 | } |
2101 | } |
1956 | |
2102 | |
1957 | static void |
2103 | static void |
|
|
2104 | coro_push_av (pTHX_ AV *av, I32 gimme_v) |
|
|
2105 | { |
|
|
2106 | if (AvFILLp (av) >= 0 && gimme_v != G_VOID) |
|
|
2107 | { |
|
|
2108 | dSP; |
|
|
2109 | |
|
|
2110 | if (gimme_v == G_SCALAR) |
|
|
2111 | XPUSHs (AvARRAY (av)[AvFILLp (av)]); |
|
|
2112 | else |
|
|
2113 | { |
|
|
2114 | int i; |
|
|
2115 | EXTEND (SP, AvFILLp (av) + 1); |
|
|
2116 | |
|
|
2117 | for (i = 0; i <= AvFILLp (av); ++i) |
|
|
2118 | PUSHs (AvARRAY (av)[i]); |
|
|
2119 | } |
|
|
2120 | |
|
|
2121 | PUTBACK; |
|
|
2122 | } |
|
|
2123 | } |
|
|
2124 | |
|
|
2125 | static void |
|
|
2126 | coro_push_on_destroy (pTHX_ struct coro *coro, SV *cb) |
|
|
2127 | { |
|
|
2128 | if (!coro->on_destroy) |
|
|
2129 | coro->on_destroy = newAV (); |
|
|
2130 | |
|
|
2131 | av_push (coro->on_destroy, cb); |
|
|
2132 | } |
|
|
2133 | |
|
|
2134 | static void |
|
|
2135 | slf_destroy_join (pTHX_ struct CoroSLF *frame) |
|
|
2136 | { |
|
|
2137 | SvREFCNT_dec ((SV *)((struct coro *)frame->data)->hv); |
|
|
2138 | } |
|
|
2139 | |
|
|
2140 | static int |
|
|
2141 | slf_check_join (pTHX_ struct CoroSLF *frame) |
|
|
2142 | { |
|
|
2143 | struct coro *coro = (struct coro *)frame->data; |
|
|
2144 | |
|
|
2145 | if (!coro->status) |
|
|
2146 | return 1; |
|
|
2147 | |
|
|
2148 | frame->destroy = 0; |
|
|
2149 | |
|
|
2150 | coro_push_av (aTHX_ coro->status, GIMME_V); |
|
|
2151 | |
|
|
2152 | SvREFCNT_dec ((SV *)coro->hv); |
|
|
2153 | |
|
|
2154 | return 0; |
|
|
2155 | } |
|
|
2156 | |
|
|
2157 | static void |
|
|
2158 | slf_init_join (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2159 | { |
|
|
2160 | struct coro *coro = SvSTATE (items > 0 ? arg [0] : &PL_sv_undef); |
|
|
2161 | |
|
|
2162 | if (items > 1) |
|
|
2163 | croak ("join called with too many arguments"); |
|
|
2164 | |
|
|
2165 | if (coro->status) |
|
|
2166 | frame->prepare = prepare_nop; |
|
|
2167 | else |
|
|
2168 | { |
|
|
2169 | coro_push_on_destroy (aTHX_ coro, SvREFCNT_inc_NN (SvRV (coro_current))); |
|
|
2170 | frame->prepare = prepare_schedule; |
|
|
2171 | } |
|
|
2172 | |
|
|
2173 | frame->check = slf_check_join; |
|
|
2174 | frame->destroy = slf_destroy_join; |
|
|
2175 | frame->data = (void *)coro; |
|
|
2176 | SvREFCNT_inc (coro->hv); |
|
|
2177 | } |
|
|
2178 | |
|
|
2179 | static void |
1958 | coro_call_on_destroy (pTHX_ struct coro *coro) |
2180 | coro_call_on_destroy (pTHX_ struct coro *coro) |
1959 | { |
2181 | { |
1960 | SV **on_destroyp = hv_fetch (coro->hv, "_on_destroy", sizeof ("_on_destroy") - 1, 0); |
2182 | AV *od = coro->on_destroy; |
1961 | SV **statusp = hv_fetch (coro->hv, "_status", sizeof ("_status") - 1, 0); |
|
|
1962 | |
2183 | |
1963 | if (on_destroyp) |
2184 | if (!od) |
1964 | { |
2185 | return; |
1965 | AV *on_destroy = (AV *)SvRV (*on_destroyp); |
|
|
1966 | |
2186 | |
|
|
2187 | coro->on_destroy = 0; |
|
|
2188 | sv_2mortal ((SV *)od); |
|
|
2189 | |
1967 | while (AvFILLp (on_destroy) >= 0) |
2190 | while (AvFILLp (od) >= 0) |
|
|
2191 | { |
|
|
2192 | SV *cb = sv_2mortal (av_pop (od)); |
|
|
2193 | |
|
|
2194 | /* coro hv's (and only hv's at the moment) are supported as well */ |
|
|
2195 | if (SvSTATEhv_p (aTHX_ cb)) |
|
|
2196 | api_ready (aTHX_ cb); |
|
|
2197 | else |
1968 | { |
2198 | { |
1969 | dSP; /* don't disturb outer sp */ |
2199 | dSP; /* don't disturb outer sp */ |
1970 | SV *cb = av_pop (on_destroy); |
|
|
1971 | |
|
|
1972 | PUSHMARK (SP); |
2200 | PUSHMARK (SP); |
1973 | |
2201 | |
1974 | if (statusp) |
2202 | if (coro->status) |
1975 | { |
2203 | { |
1976 | int i; |
2204 | PUTBACK; |
1977 | AV *status = (AV *)SvRV (*statusp); |
2205 | coro_push_av (aTHX_ coro->status, G_ARRAY); |
1978 | EXTEND (SP, AvFILLp (status) + 1); |
2206 | SPAGAIN; |
1979 | |
|
|
1980 | for (i = 0; i <= AvFILLp (status); ++i) |
|
|
1981 | PUSHs (AvARRAY (status)[i]); |
|
|
1982 | } |
2207 | } |
1983 | |
2208 | |
1984 | PUTBACK; |
2209 | PUTBACK; |
1985 | call_sv (sv_2mortal (cb), G_VOID | G_DISCARD); |
2210 | call_sv (cb, G_VOID | G_DISCARD); |
1986 | } |
2211 | } |
1987 | } |
2212 | } |
1988 | } |
2213 | } |
1989 | |
2214 | |
1990 | static void |
2215 | static void |
1991 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2216 | coro_set_status (pTHX_ struct coro *coro, SV **arg, int items) |
1992 | { |
2217 | { |
1993 | int i; |
2218 | AV *av; |
1994 | HV *hv = (HV *)SvRV (coro_current); |
2219 | |
1995 | AV *av = newAV (); |
2220 | if (coro->status) |
|
|
2221 | { |
|
|
2222 | av = coro->status; |
|
|
2223 | av_clear (av); |
|
|
2224 | } |
|
|
2225 | else |
|
|
2226 | av = coro->status = newAV (); |
1996 | |
2227 | |
1997 | /* items are actually not so common, so optimise for this case */ |
2228 | /* items are actually not so common, so optimise for this case */ |
1998 | if (items) |
2229 | if (items) |
1999 | { |
2230 | { |
|
|
2231 | int i; |
|
|
2232 | |
2000 | av_extend (av, items - 1); |
2233 | av_extend (av, items - 1); |
2001 | |
2234 | |
2002 | for (i = 0; i < items; ++i) |
2235 | for (i = 0; i < items; ++i) |
2003 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
2236 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
2004 | } |
2237 | } |
|
|
2238 | } |
2005 | |
2239 | |
2006 | hv_store (hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0); |
2240 | static void |
2007 | |
2241 | slf_init_terminate_cancel_common (pTHX_ struct CoroSLF *frame, HV *coro_hv) |
|
|
2242 | { |
2008 | av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */ |
2243 | av_push (av_destroy, (SV *)newRV_inc ((SV *)coro_hv)); /* RVinc for perl */ |
2009 | api_ready (aTHX_ sv_manager); |
2244 | api_ready (aTHX_ sv_manager); |
2010 | |
2245 | |
2011 | frame->prepare = prepare_schedule; |
2246 | frame->prepare = prepare_schedule; |
2012 | frame->check = slf_check_repeat; |
2247 | frame->check = slf_check_repeat; |
2013 | |
2248 | |
2014 | /* as a minor optimisation, we could unwind all stacks here */ |
2249 | /* as a minor optimisation, we could unwind all stacks here */ |
2015 | /* but that puts extra pressure on pp_slf, and is not worth much */ |
2250 | /* but that puts extra pressure on pp_slf, and is not worth much */ |
2016 | /*coro_unwind_stacks (aTHX);*/ |
2251 | /*coro_unwind_stacks (aTHX);*/ |
|
|
2252 | } |
|
|
2253 | |
|
|
2254 | static void |
|
|
2255 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2256 | { |
|
|
2257 | HV *coro_hv = (HV *)SvRV (coro_current); |
|
|
2258 | |
|
|
2259 | coro_set_status (aTHX_ SvSTATE ((SV *)coro_hv), arg, items); |
|
|
2260 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
|
|
2261 | } |
|
|
2262 | |
|
|
2263 | static void |
|
|
2264 | slf_init_cancel (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2265 | { |
|
|
2266 | HV *coro_hv; |
|
|
2267 | struct coro *coro; |
|
|
2268 | |
|
|
2269 | if (items <= 0) |
|
|
2270 | croak ("Coro::cancel called without coro object,"); |
|
|
2271 | |
|
|
2272 | coro = SvSTATE (arg [0]); |
|
|
2273 | coro_hv = coro->hv; |
|
|
2274 | |
|
|
2275 | coro_set_status (aTHX_ coro, arg + 1, items - 1); |
|
|
2276 | |
|
|
2277 | if (ecb_expect_false (coro->flags & CF_NOCANCEL)) |
|
|
2278 | { |
|
|
2279 | /* coro currently busy cancelling something, so just notify it */ |
|
|
2280 | coro->slf_frame.data = (void *)coro; |
|
|
2281 | |
|
|
2282 | frame->prepare = prepare_nop; |
|
|
2283 | frame->check = slf_check_nop; |
|
|
2284 | } |
|
|
2285 | else if (coro_hv == (HV *)SvRV (coro_current)) |
|
|
2286 | { |
|
|
2287 | /* cancelling the current coro is allowed, and equals terminate */ |
|
|
2288 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
|
|
2289 | } |
|
|
2290 | else |
|
|
2291 | { |
|
|
2292 | struct coro *self = SvSTATE_current; |
|
|
2293 | |
|
|
2294 | if (!self) |
|
|
2295 | croak ("Coro::cancel called outside of thread content,"); |
|
|
2296 | |
|
|
2297 | /* otherwise we cancel directly, purely for speed reasons |
|
|
2298 | * unfortunately, this requires some magic trickery, as |
|
|
2299 | * somebody else could cancel us, so we have to fight the cancellation. |
|
|
2300 | * this is ugly, and hopefully fully worth the extra speed. |
|
|
2301 | * besides, I can't get the slow-but-safe version working... |
|
|
2302 | */ |
|
|
2303 | slf_frame.data = 0; |
|
|
2304 | self->flags |= CF_NOCANCEL; |
|
|
2305 | coro_state_destroy (aTHX_ coro); |
|
|
2306 | self->flags &= ~CF_NOCANCEL; |
|
|
2307 | |
|
|
2308 | if (slf_frame.data) |
|
|
2309 | { |
|
|
2310 | /* while we were busy we have been cancelled, so terminate */ |
|
|
2311 | slf_init_terminate_cancel_common (aTHX_ frame, self->hv); |
|
|
2312 | } |
|
|
2313 | else |
|
|
2314 | { |
|
|
2315 | frame->prepare = prepare_nop; |
|
|
2316 | frame->check = slf_check_nop; |
|
|
2317 | } |
|
|
2318 | } |
|
|
2319 | } |
|
|
2320 | |
|
|
2321 | static int |
|
|
2322 | slf_check_safe_cancel (pTHX_ struct CoroSLF *frame) |
|
|
2323 | { |
|
|
2324 | frame->prepare = 0; |
|
|
2325 | coro_unwind_stacks (aTHX); |
|
|
2326 | |
|
|
2327 | slf_init_terminate_cancel_common (aTHX_ frame, (HV *)SvRV (coro_current)); |
|
|
2328 | |
|
|
2329 | return 1; |
|
|
2330 | } |
|
|
2331 | |
|
|
2332 | static int |
|
|
2333 | safe_cancel (pTHX_ struct coro *coro, SV **arg, int items) |
|
|
2334 | { |
|
|
2335 | if (coro->cctx) |
|
|
2336 | croak ("coro inside C callback, unable to cancel at this time, caught"); |
|
|
2337 | |
|
|
2338 | if (coro->flags & CF_NEW) |
|
|
2339 | { |
|
|
2340 | coro_set_status (aTHX_ coro, arg, items); |
|
|
2341 | coro_state_destroy (aTHX_ coro); |
|
|
2342 | } |
|
|
2343 | else |
|
|
2344 | { |
|
|
2345 | if (!coro->slf_frame.prepare) |
|
|
2346 | croak ("coro outside an SLF function, unable to cancel at this time, caught"); |
|
|
2347 | |
|
|
2348 | slf_destroy (aTHX_ coro); |
|
|
2349 | |
|
|
2350 | coro_set_status (aTHX_ coro, arg, items); |
|
|
2351 | coro->slf_frame.prepare = prepare_nop; |
|
|
2352 | coro->slf_frame.check = slf_check_safe_cancel; |
|
|
2353 | |
|
|
2354 | api_ready (aTHX_ (SV *)coro->hv); |
|
|
2355 | } |
|
|
2356 | |
|
|
2357 | return 1; |
2017 | } |
2358 | } |
2018 | |
2359 | |
2019 | /*****************************************************************************/ |
2360 | /*****************************************************************************/ |
2020 | /* async pool handler */ |
2361 | /* async pool handler */ |
2021 | |
2362 | |
… | |
… | |
2052 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2393 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2053 | { |
2394 | { |
2054 | HV *hv = (HV *)SvRV (coro_current); |
2395 | HV *hv = (HV *)SvRV (coro_current); |
2055 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
2396 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
2056 | |
2397 | |
2057 | if (expect_true (coro->saved_deffh)) |
2398 | if (ecb_expect_true (coro->saved_deffh)) |
2058 | { |
2399 | { |
2059 | /* subsequent iteration */ |
2400 | /* subsequent iteration */ |
2060 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
2401 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
2061 | coro->saved_deffh = 0; |
2402 | coro->saved_deffh = 0; |
2062 | |
2403 | |
2063 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
2404 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
2064 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
2405 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
2065 | { |
2406 | { |
2066 | coro->invoke_cb = SvREFCNT_inc_NN ((SV *)cv_coro_terminate); |
2407 | slf_init_terminate_cancel_common (aTHX_ frame, hv); |
2067 | coro->invoke_av = newAV (); |
2408 | return; |
2068 | |
|
|
2069 | frame->prepare = prepare_nop; |
|
|
2070 | } |
2409 | } |
2071 | else |
2410 | else |
2072 | { |
2411 | { |
2073 | av_clear (GvAV (PL_defgv)); |
2412 | av_clear (GvAV (PL_defgv)); |
2074 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
2413 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
… | |
… | |
2124 | |
2463 | |
2125 | static int |
2464 | static int |
2126 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
2465 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
2127 | { |
2466 | { |
2128 | SV *data = (SV *)frame->data; |
2467 | SV *data = (SV *)frame->data; |
2129 | |
2468 | |
2130 | if (CORO_THROW) |
2469 | if (CORO_THROW) |
2131 | return 0; |
2470 | return 0; |
2132 | |
2471 | |
2133 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2472 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2134 | return 1; |
2473 | return 1; |
… | |
… | |
2170 | cb = sv_2mortal (coro->rouse_cb); |
2509 | cb = sv_2mortal (coro->rouse_cb); |
2171 | coro->rouse_cb = 0; |
2510 | coro->rouse_cb = 0; |
2172 | } |
2511 | } |
2173 | |
2512 | |
2174 | if (!SvROK (cb) |
2513 | if (!SvROK (cb) |
2175 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2514 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2176 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2515 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2177 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2516 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2178 | |
2517 | |
2179 | { |
2518 | { |
2180 | CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ |
2519 | CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ |
… | |
… | |
2297 | static void |
2636 | static void |
2298 | slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2637 | slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2299 | { |
2638 | { |
2300 | frame->prepare = prepare_cede_notself; |
2639 | frame->prepare = prepare_cede_notself; |
2301 | frame->check = slf_check_nop; |
2640 | frame->check = slf_check_nop; |
|
|
2641 | } |
|
|
2642 | |
|
|
2643 | /* "undo"/cancel a running slf call - used when cancelling a coro, mainly */ |
|
|
2644 | static void |
|
|
2645 | slf_destroy (pTHX_ struct coro *coro) |
|
|
2646 | { |
|
|
2647 | struct CoroSLF frame = coro->slf_frame; |
|
|
2648 | |
|
|
2649 | /* |
|
|
2650 | * The on_destroy below most likely is from an SLF call. |
|
|
2651 | * Since by definition the SLF call will not finish when we destroy |
|
|
2652 | * the coro, we will have to force-finish it here, otherwise |
|
|
2653 | * cleanup functions cannot call SLF functions. |
|
|
2654 | */ |
|
|
2655 | coro->slf_frame.prepare = 0; |
|
|
2656 | |
|
|
2657 | /* this callback is reserved for slf functions needing to do cleanup */ |
|
|
2658 | if (frame.destroy && frame.prepare && !PL_dirty) |
|
|
2659 | frame.destroy (aTHX_ &frame); |
2302 | } |
2660 | } |
2303 | |
2661 | |
2304 | /* |
2662 | /* |
2305 | * these not obviously related functions are all rolled into one |
2663 | * these not obviously related functions are all rolled into one |
2306 | * function to increase chances that they all will call transfer with the same |
2664 | * function to increase chances that they all will call transfer with the same |
… | |
… | |
2313 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
2671 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
2314 | |
2672 | |
2315 | /* set up the slf frame, unless it has already been set-up */ |
2673 | /* set up the slf frame, unless it has already been set-up */ |
2316 | /* the latter happens when a new coro has been started */ |
2674 | /* the latter happens when a new coro has been started */ |
2317 | /* or when a new cctx was attached to an existing coroutine */ |
2675 | /* or when a new cctx was attached to an existing coroutine */ |
2318 | if (expect_true (!slf_frame.prepare)) |
2676 | if (ecb_expect_true (!slf_frame.prepare)) |
2319 | { |
2677 | { |
2320 | /* first iteration */ |
2678 | /* first iteration */ |
2321 | dSP; |
2679 | dSP; |
2322 | SV **arg = PL_stack_base + TOPMARK + 1; |
2680 | SV **arg = PL_stack_base + TOPMARK + 1; |
2323 | int items = SP - arg; /* args without function object */ |
2681 | int items = SP - arg; /* args without function object */ |
… | |
… | |
2364 | while (slf_frame.check (aTHX_ &slf_frame)); |
2722 | while (slf_frame.check (aTHX_ &slf_frame)); |
2365 | |
2723 | |
2366 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
2724 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
2367 | |
2725 | |
2368 | /* exception handling */ |
2726 | /* exception handling */ |
2369 | if (expect_false (CORO_THROW)) |
2727 | if (ecb_expect_false (CORO_THROW)) |
2370 | { |
2728 | { |
2371 | SV *exception = sv_2mortal (CORO_THROW); |
2729 | SV *exception = sv_2mortal (CORO_THROW); |
2372 | |
2730 | |
2373 | CORO_THROW = 0; |
2731 | CORO_THROW = 0; |
2374 | sv_setsv (ERRSV, exception); |
2732 | sv_setsv (ERRSV, exception); |
2375 | croak (0); |
2733 | croak (0); |
2376 | } |
2734 | } |
2377 | |
2735 | |
2378 | /* return value handling - mostly like entersub */ |
2736 | /* return value handling - mostly like entersub */ |
2379 | /* make sure we put something on the stack in scalar context */ |
2737 | /* make sure we put something on the stack in scalar context */ |
2380 | if (GIMME_V == G_SCALAR) |
2738 | if (GIMME_V == G_SCALAR |
|
|
2739 | && ecb_expect_false (PL_stack_sp != PL_stack_base + checkmark + 1)) |
2381 | { |
2740 | { |
2382 | dSP; |
2741 | dSP; |
2383 | SV **bot = PL_stack_base + checkmark; |
2742 | SV **bot = PL_stack_base + checkmark; |
2384 | |
2743 | |
2385 | if (sp == bot) /* too few, push undef */ |
2744 | if (sp == bot) /* too few, push undef */ |
2386 | bot [1] = &PL_sv_undef; |
2745 | bot [1] = &PL_sv_undef; |
2387 | else if (sp != bot + 1) /* too many, take last one */ |
2746 | else /* too many, take last one */ |
2388 | bot [1] = *sp; |
2747 | bot [1] = *sp; |
2389 | |
2748 | |
2390 | SP = bot + 1; |
2749 | SP = bot + 1; |
2391 | |
2750 | |
2392 | PUTBACK; |
2751 | PUTBACK; |
… | |
… | |
2490 | { |
2849 | { |
2491 | SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_leave); |
2850 | SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_leave); |
2492 | on_enterleave_call (aTHX_ sv_2mortal (cb)); |
2851 | on_enterleave_call (aTHX_ sv_2mortal (cb)); |
2493 | } |
2852 | } |
2494 | |
2853 | |
|
|
2854 | static void |
|
|
2855 | enterleave_hook_xs (pTHX_ struct coro *coro, AV **avp, coro_enterleave_hook hook, void *arg) |
|
|
2856 | { |
|
|
2857 | if (!hook) |
|
|
2858 | return; |
|
|
2859 | |
|
|
2860 | if (!*avp) |
|
|
2861 | { |
|
|
2862 | *avp = newAV (); |
|
|
2863 | AvREAL_off (*avp); |
|
|
2864 | } |
|
|
2865 | |
|
|
2866 | av_push (*avp, (SV *)hook); |
|
|
2867 | av_push (*avp, (SV *)arg); |
|
|
2868 | } |
|
|
2869 | |
|
|
2870 | static void |
|
|
2871 | enterleave_unhook_xs (pTHX_ struct coro *coro, AV **avp, coro_enterleave_hook hook, int execute) |
|
|
2872 | { |
|
|
2873 | AV *av = *avp; |
|
|
2874 | int i; |
|
|
2875 | |
|
|
2876 | if (!av) |
|
|
2877 | return; |
|
|
2878 | |
|
|
2879 | for (i = AvFILLp (av) - 1; i >= 0; i -= 2) |
|
|
2880 | if (AvARRAY (av)[i] == (SV *)hook) |
|
|
2881 | { |
|
|
2882 | if (execute) |
|
|
2883 | hook (aTHX_ (void *)AvARRAY (av)[i + 1]); |
|
|
2884 | |
|
|
2885 | memmove (AvARRAY (av) + i, AvARRAY (av) + i + 2, AvFILLp (av) - i - 1); |
|
|
2886 | av_pop (av); |
|
|
2887 | av_pop (av); |
|
|
2888 | break; |
|
|
2889 | } |
|
|
2890 | |
|
|
2891 | if (AvFILLp (av) >= 0) |
|
|
2892 | { |
|
|
2893 | *avp = 0; |
|
|
2894 | SvREFCNT_dec_NN (av); |
|
|
2895 | } |
|
|
2896 | } |
|
|
2897 | |
|
|
2898 | static void |
|
|
2899 | api_enterleave_hook (pTHX_ SV *coro_sv, coro_enterleave_hook enter, void *enter_arg, coro_enterleave_hook leave, void *leave_arg) |
|
|
2900 | { |
|
|
2901 | struct coro *coro = SvSTATE (coro_sv); |
|
|
2902 | |
|
|
2903 | if (SvSTATE_current == coro) |
|
|
2904 | if (enter) |
|
|
2905 | enter (aTHX_ enter_arg); |
|
|
2906 | |
|
|
2907 | enterleave_hook_xs (aTHX_ coro, &coro->on_enter_xs, enter, enter_arg); |
|
|
2908 | enterleave_hook_xs (aTHX_ coro, &coro->on_leave_xs, leave, leave_arg); |
|
|
2909 | } |
|
|
2910 | |
|
|
2911 | static void |
|
|
2912 | api_enterleave_unhook (pTHX_ SV *coro_sv, coro_enterleave_hook enter, coro_enterleave_hook leave) |
|
|
2913 | { |
|
|
2914 | struct coro *coro = SvSTATE (coro_sv); |
|
|
2915 | |
|
|
2916 | enterleave_unhook_xs (aTHX_ coro, &coro->on_enter_xs, enter, 0); |
|
|
2917 | enterleave_unhook_xs (aTHX_ coro, &coro->on_leave_xs, leave, SvSTATE_current == coro); |
|
|
2918 | } |
|
|
2919 | |
|
|
2920 | static void |
|
|
2921 | savedestructor_unhook_enter (pTHX_ coro_enterleave_hook enter) |
|
|
2922 | { |
|
|
2923 | struct coro *coro = SvSTATE_current; |
|
|
2924 | |
|
|
2925 | enterleave_unhook_xs (aTHX_ coro, &coro->on_enter_xs, enter, 0); |
|
|
2926 | } |
|
|
2927 | |
|
|
2928 | static void |
|
|
2929 | savedestructor_unhook_leave (pTHX_ coro_enterleave_hook leave) |
|
|
2930 | { |
|
|
2931 | struct coro *coro = SvSTATE_current; |
|
|
2932 | |
|
|
2933 | enterleave_unhook_xs (aTHX_ coro, &coro->on_leave_xs, leave, 1); |
|
|
2934 | } |
|
|
2935 | |
|
|
2936 | static void |
|
|
2937 | api_enterleave_scope_hook (pTHX_ coro_enterleave_hook enter, void *enter_arg, coro_enterleave_hook leave, void *leave_arg) |
|
|
2938 | { |
|
|
2939 | api_enterleave_hook (aTHX_ coro_current, enter, enter_arg, leave, leave_arg); |
|
|
2940 | |
|
|
2941 | /* this ought to be much cheaper than malloc + a single destructor call */ |
|
|
2942 | if (enter) SAVEDESTRUCTOR_X (savedestructor_unhook_enter, enter); |
|
|
2943 | if (leave) SAVEDESTRUCTOR_X (savedestructor_unhook_leave, leave); |
|
|
2944 | } |
|
|
2945 | |
2495 | /*****************************************************************************/ |
2946 | /*****************************************************************************/ |
2496 | /* PerlIO::cede */ |
2947 | /* PerlIO::cede */ |
2497 | |
2948 | |
2498 | typedef struct |
2949 | typedef struct |
2499 | { |
2950 | { |
2500 | PerlIOBuf base; |
2951 | PerlIOBuf base; |
2501 | NV next, every; |
2952 | NV next, every; |
2502 | } PerlIOCede; |
2953 | } PerlIOCede; |
2503 | |
2954 | |
2504 | static IV |
2955 | static IV ecb_cold |
2505 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
2956 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
2506 | { |
2957 | { |
2507 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2958 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2508 | |
2959 | |
2509 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
2960 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
2510 | self->next = nvtime () + self->every; |
2961 | self->next = nvtime () + self->every; |
2511 | |
2962 | |
2512 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
2963 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
2513 | } |
2964 | } |
2514 | |
2965 | |
2515 | static SV * |
2966 | static SV * ecb_cold |
2516 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
2967 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
2517 | { |
2968 | { |
2518 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2969 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2519 | |
2970 | |
2520 | return newSVnv (self->every); |
2971 | return newSVnv (self->every); |
… | |
… | |
2627 | XPUSHs (sv_2mortal (newRV_inc ((SV *)av))); |
3078 | XPUSHs (sv_2mortal (newRV_inc ((SV *)av))); |
2628 | PUTBACK; |
3079 | PUTBACK; |
2629 | call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR); |
3080 | call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR); |
2630 | } |
3081 | } |
2631 | |
3082 | |
2632 | SvREFCNT_dec (cb); |
3083 | SvREFCNT_dec_NN (cb); |
2633 | } |
3084 | } |
2634 | } |
3085 | } |
2635 | |
3086 | |
2636 | static void |
3087 | static void |
2637 | coro_semaphore_on_destroy (pTHX_ struct coro *coro) |
3088 | coro_semaphore_destroy (pTHX_ struct CoroSLF *frame) |
2638 | { |
3089 | { |
2639 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
3090 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
2640 | coro_semaphore_adjust (aTHX_ (AV *)coro->slf_frame.data, 0); |
3091 | coro_semaphore_adjust (aTHX_ (AV *)frame->data, 0); |
2641 | } |
3092 | } |
2642 | |
3093 | |
2643 | static int |
3094 | static int |
2644 | slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire) |
3095 | slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire) |
2645 | { |
3096 | { |
2646 | AV *av = (AV *)frame->data; |
3097 | AV *av = (AV *)frame->data; |
2647 | SV *count_sv = AvARRAY (av)[0]; |
3098 | SV *count_sv = AvARRAY (av)[0]; |
|
|
3099 | SV *coro_hv = SvRV (coro_current); |
|
|
3100 | |
|
|
3101 | frame->destroy = 0; |
2648 | |
3102 | |
2649 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
3103 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2650 | if (CORO_THROW) |
3104 | if (ecb_expect_false (CORO_THROW)) |
|
|
3105 | { |
|
|
3106 | /* we still might be responsible for the semaphore, so wake up others */ |
|
|
3107 | coro_semaphore_adjust (aTHX_ av, 0); |
|
|
3108 | |
2651 | return 0; |
3109 | return 0; |
|
|
3110 | } |
2652 | else if (SvIVX (count_sv) > 0) |
3111 | else if (SvIVX (count_sv) > 0) |
2653 | { |
3112 | { |
2654 | SvSTATE_current->on_destroy = 0; |
|
|
2655 | |
|
|
2656 | if (acquire) |
3113 | if (acquire) |
2657 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
3114 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2658 | else |
3115 | else |
2659 | coro_semaphore_adjust (aTHX_ av, 0); |
3116 | coro_semaphore_adjust (aTHX_ av, 0); |
2660 | |
3117 | |
… | |
… | |
2664 | { |
3121 | { |
2665 | int i; |
3122 | int i; |
2666 | /* if we were woken up but can't down, we look through the whole */ |
3123 | /* if we were woken up but can't down, we look through the whole */ |
2667 | /* waiters list and only add us if we aren't in there already */ |
3124 | /* waiters list and only add us if we aren't in there already */ |
2668 | /* this avoids some degenerate memory usage cases */ |
3125 | /* this avoids some degenerate memory usage cases */ |
2669 | |
3126 | for (i = AvFILLp (av); i > 0; --i) /* i > 0 is not an off-by-one bug */ |
2670 | for (i = 1; i <= AvFILLp (av); ++i) |
|
|
2671 | if (AvARRAY (av)[i] == SvRV (coro_current)) |
3127 | if (AvARRAY (av)[i] == coro_hv) |
2672 | return 1; |
3128 | return 1; |
2673 | |
3129 | |
2674 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
3130 | av_push (av, SvREFCNT_inc (coro_hv)); |
2675 | return 1; |
3131 | return 1; |
2676 | } |
3132 | } |
2677 | } |
3133 | } |
2678 | |
3134 | |
2679 | static int |
3135 | static int |
… | |
… | |
2702 | { |
3158 | { |
2703 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
3159 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2704 | |
3160 | |
2705 | frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); |
3161 | frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); |
2706 | frame->prepare = prepare_schedule; |
3162 | frame->prepare = prepare_schedule; |
2707 | |
|
|
2708 | /* to avoid race conditions when a woken-up coro gets terminated */ |
3163 | /* to avoid race conditions when a woken-up coro gets terminated */ |
2709 | /* we arrange for a temporary on_destroy that calls adjust (0) */ |
3164 | /* we arrange for a temporary on_destroy that calls adjust (0) */ |
2710 | SvSTATE_current->on_destroy = coro_semaphore_on_destroy; |
3165 | frame->destroy = coro_semaphore_destroy; |
2711 | } |
3166 | } |
2712 | } |
3167 | } |
2713 | |
3168 | |
2714 | static void |
3169 | static void |
2715 | slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
3170 | slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
… | |
… | |
2773 | { |
3228 | { |
2774 | api_ready (aTHX_ cb); |
3229 | api_ready (aTHX_ cb); |
2775 | sv_setiv (cb, 0); /* signal waiter */ |
3230 | sv_setiv (cb, 0); /* signal waiter */ |
2776 | } |
3231 | } |
2777 | |
3232 | |
2778 | SvREFCNT_dec (cb); |
3233 | SvREFCNT_dec_NN (cb); |
2779 | |
3234 | |
2780 | --count; |
3235 | --count; |
2781 | } |
3236 | } |
2782 | } |
3237 | } |
2783 | |
3238 | |
… | |
… | |
2868 | } |
3323 | } |
2869 | |
3324 | |
2870 | av_push (state, data_sv); |
3325 | av_push (state, data_sv); |
2871 | |
3326 | |
2872 | api_ready (aTHX_ coro); |
3327 | api_ready (aTHX_ coro); |
2873 | SvREFCNT_dec (coro); |
3328 | SvREFCNT_dec_NN (coro); |
2874 | SvREFCNT_dec ((AV *)state); |
3329 | SvREFCNT_dec_NN ((AV *)state); |
2875 | } |
3330 | } |
2876 | |
3331 | |
2877 | static int |
3332 | static int |
2878 | slf_check_aio_req (pTHX_ struct CoroSLF *frame) |
3333 | slf_check_aio_req (pTHX_ struct CoroSLF *frame) |
2879 | { |
3334 | { |
… | |
… | |
2884 | /* it quickly returns */ |
3339 | /* it quickly returns */ |
2885 | if (CORO_THROW) |
3340 | if (CORO_THROW) |
2886 | return 0; |
3341 | return 0; |
2887 | |
3342 | |
2888 | /* one element that is an RV? repeat! */ |
3343 | /* one element that is an RV? repeat! */ |
2889 | if (AvFILLp (state) == 0 && SvROK (AvARRAY (state)[0])) |
3344 | if (AvFILLp (state) == 0 && SvTYPE (AvARRAY (state)[0]) != SVt_PV) |
2890 | return 1; |
3345 | return 1; |
2891 | |
3346 | |
2892 | /* restore status */ |
3347 | /* restore status */ |
2893 | { |
3348 | { |
2894 | SV *data_sv = av_pop (state); |
3349 | SV *data_sv = av_pop (state); |
… | |
… | |
2897 | errno = data->errorno; |
3352 | errno = data->errorno; |
2898 | PL_laststype = data->laststype; |
3353 | PL_laststype = data->laststype; |
2899 | PL_laststatval = data->laststatval; |
3354 | PL_laststatval = data->laststatval; |
2900 | PL_statcache = data->statcache; |
3355 | PL_statcache = data->statcache; |
2901 | |
3356 | |
2902 | SvREFCNT_dec (data_sv); |
3357 | SvREFCNT_dec_NN (data_sv); |
2903 | } |
3358 | } |
2904 | |
3359 | |
2905 | /* push result values */ |
3360 | /* push result values */ |
2906 | { |
3361 | { |
2907 | dSP; |
3362 | dSP; |
… | |
… | |
2933 | dSP; |
3388 | dSP; |
2934 | |
3389 | |
2935 | static SV *prio_cv; |
3390 | static SV *prio_cv; |
2936 | static SV *prio_sv; |
3391 | static SV *prio_sv; |
2937 | |
3392 | |
2938 | if (expect_false (!prio_cv)) |
3393 | if (ecb_expect_false (!prio_cv)) |
2939 | { |
3394 | { |
2940 | prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0); |
3395 | prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0); |
2941 | prio_sv = newSViv (0); |
3396 | prio_sv = newSViv (0); |
2942 | } |
3397 | } |
2943 | |
3398 | |
… | |
… | |
3049 | } |
3504 | } |
3050 | |
3505 | |
3051 | return coro_sv; |
3506 | return coro_sv; |
3052 | } |
3507 | } |
3053 | |
3508 | |
|
|
3509 | #ifndef __cplusplus |
|
|
3510 | ecb_cold XS(boot_Coro__State); |
|
|
3511 | #endif |
|
|
3512 | |
|
|
3513 | #if CORO_JIT |
|
|
3514 | |
|
|
3515 | static void ecb_noinline ecb_cold |
|
|
3516 | pushav_4uv (pTHX_ UV a, UV b, UV c, UV d) |
|
|
3517 | { |
|
|
3518 | dSP; |
|
|
3519 | AV *av = newAV (); |
|
|
3520 | |
|
|
3521 | av_store (av, 3, newSVuv (d)); |
|
|
3522 | av_store (av, 2, newSVuv (c)); |
|
|
3523 | av_store (av, 1, newSVuv (b)); |
|
|
3524 | av_store (av, 0, newSVuv (a)); |
|
|
3525 | |
|
|
3526 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
3527 | |
|
|
3528 | PUTBACK; |
|
|
3529 | } |
|
|
3530 | |
|
|
3531 | static void ecb_noinline ecb_cold |
|
|
3532 | jit_init (pTHX) |
|
|
3533 | { |
|
|
3534 | dSP; |
|
|
3535 | SV *load, *save; |
|
|
3536 | char *map_base; |
|
|
3537 | char *load_ptr, *save_ptr; |
|
|
3538 | STRLEN load_len, save_len, map_len; |
|
|
3539 | int count; |
|
|
3540 | |
|
|
3541 | eval_pv ("require 'Coro/jit-" CORO_JIT_TYPE ".pl'", 1); |
|
|
3542 | |
|
|
3543 | PUSHMARK (SP); |
|
|
3544 | #define VARx(name,expr,type) pushav_4uv (aTHX_ (UV)&(expr), sizeof (expr), offsetof (perl_slots, name), sizeof (type)); |
|
|
3545 | #include "state.h" |
|
|
3546 | count = call_pv ("Coro::State::_jit", G_ARRAY); |
|
|
3547 | SPAGAIN; |
|
|
3548 | |
|
|
3549 | save = POPs; save_ptr = SvPVbyte (save, save_len); |
|
|
3550 | load = POPs; load_ptr = SvPVbyte (load, load_len); |
|
|
3551 | |
|
|
3552 | map_len = load_len + save_len + 16; |
|
|
3553 | |
|
|
3554 | map_base = mmap (0, map_len, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); |
|
|
3555 | |
|
|
3556 | assert (("Coro: unable to mmap jit code page, cannot continue.", map_base != (char *)MAP_FAILED)); |
|
|
3557 | |
|
|
3558 | load_perl_slots = (load_save_perl_slots_type)map_base; |
|
|
3559 | memcpy (map_base, load_ptr, load_len); |
|
|
3560 | |
|
|
3561 | map_base += (load_len + 15) & ~15; |
|
|
3562 | |
|
|
3563 | save_perl_slots = (load_save_perl_slots_type)map_base; |
|
|
3564 | memcpy (map_base, save_ptr, save_len); |
|
|
3565 | |
|
|
3566 | /* we are good citizens and try to make the page read-only, so the evil evil */ |
|
|
3567 | /* hackers might have it a bit more difficult */ |
|
|
3568 | mprotect (map_base, map_len, PROT_READ | PROT_EXEC); |
|
|
3569 | |
|
|
3570 | PUTBACK; |
|
|
3571 | eval_pv ("undef &Coro::State::_jit", 1); |
|
|
3572 | } |
|
|
3573 | |
|
|
3574 | #endif |
|
|
3575 | |
3054 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
3576 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
3055 | |
3577 | |
3056 | PROTOTYPES: DISABLE |
3578 | PROTOTYPES: DISABLE |
3057 | |
3579 | |
3058 | BOOT: |
3580 | BOOT: |
3059 | { |
3581 | { |
|
|
3582 | #define VARx(name,expr,type) if (sizeof (type) < sizeof (expr)) croak ("FATAL: Coro thread context slot '" # name "' too small for this version of perl."); |
|
|
3583 | #include "state.h" |
3060 | #ifdef USE_ITHREADS |
3584 | #ifdef USE_ITHREADS |
3061 | # if CORO_PTHREAD |
3585 | # if CORO_PTHREAD |
3062 | coro_thx = PERL_GET_CONTEXT; |
3586 | coro_thx = PERL_GET_CONTEXT; |
3063 | # endif |
3587 | # endif |
3064 | #endif |
3588 | #endif |
3065 | BOOT_PAGESIZE; |
3589 | /* perl defines these to check for existance first, but why it doesn't */ |
|
|
3590 | /* just create them one at init time is not clear to me, except for */ |
|
|
3591 | /* programs trying to delete them, but... */ |
|
|
3592 | /* anyway, we declare this as invalid and make sure they are initialised here */ |
|
|
3593 | DEFSV; |
|
|
3594 | ERRSV; |
3066 | |
3595 | |
3067 | cctx_current = cctx_new_empty (); |
3596 | cctx_current = cctx_new_empty (); |
3068 | |
3597 | |
3069 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3598 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3070 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3599 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
… | |
… | |
3110 | coroapi.prepare_nop = prepare_nop; |
3639 | coroapi.prepare_nop = prepare_nop; |
3111 | coroapi.prepare_schedule = prepare_schedule; |
3640 | coroapi.prepare_schedule = prepare_schedule; |
3112 | coroapi.prepare_cede = prepare_cede; |
3641 | coroapi.prepare_cede = prepare_cede; |
3113 | coroapi.prepare_cede_notself = prepare_cede_notself; |
3642 | coroapi.prepare_cede_notself = prepare_cede_notself; |
3114 | |
3643 | |
3115 | { |
3644 | time_init (aTHX); |
3116 | SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
|
|
3117 | |
|
|
3118 | if (!svp) croak ("Time::HiRes is required"); |
|
|
3119 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer"); |
|
|
3120 | |
|
|
3121 | nvtime = INT2PTR (double (*)(), SvIV (*svp)); |
|
|
3122 | |
|
|
3123 | svp = hv_fetch (PL_modglobal, "Time::U2time", 12, 0); |
|
|
3124 | u2time = INT2PTR (void (*)(pTHX_ UV ret[2]), SvIV (*svp)); |
|
|
3125 | } |
|
|
3126 | |
3645 | |
3127 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
3646 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
|
|
3647 | #if CORO_JIT |
|
|
3648 | PUTBACK; |
|
|
3649 | jit_init (aTHX); |
|
|
3650 | SPAGAIN; |
|
|
3651 | #endif |
3128 | } |
3652 | } |
3129 | |
3653 | |
3130 | SV * |
3654 | SV * |
3131 | new (SV *klass, ...) |
3655 | new (SV *klass, ...) |
3132 | ALIAS: |
3656 | ALIAS: |
… | |
… | |
3139 | void |
3663 | void |
3140 | transfer (...) |
3664 | transfer (...) |
3141 | PROTOTYPE: $$ |
3665 | PROTOTYPE: $$ |
3142 | CODE: |
3666 | CODE: |
3143 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3667 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3144 | |
|
|
3145 | bool |
|
|
3146 | _destroy (SV *coro_sv) |
|
|
3147 | CODE: |
|
|
3148 | RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv)); |
|
|
3149 | OUTPUT: |
|
|
3150 | RETVAL |
|
|
3151 | |
|
|
3152 | void |
|
|
3153 | _exit (int code) |
|
|
3154 | PROTOTYPE: $ |
|
|
3155 | CODE: |
|
|
3156 | _exit (code); |
|
|
3157 | |
3668 | |
3158 | SV * |
3669 | SV * |
3159 | clone (Coro::State coro) |
3670 | clone (Coro::State coro) |
3160 | CODE: |
3671 | CODE: |
3161 | { |
3672 | { |
… | |
… | |
3216 | void |
3727 | void |
3217 | list () |
3728 | list () |
3218 | PROTOTYPE: |
3729 | PROTOTYPE: |
3219 | PPCODE: |
3730 | PPCODE: |
3220 | { |
3731 | { |
3221 | struct coro *coro; |
3732 | struct coro *coro; |
3222 | for (coro = coro_first; coro; coro = coro->next) |
3733 | for (coro = coro_first; coro; coro = coro->next) |
3223 | if (coro->hv) |
3734 | if (coro->hv) |
3224 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
3735 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
3225 | } |
3736 | } |
3226 | |
3737 | |
… | |
… | |
3231 | CODE: |
3742 | CODE: |
3232 | { |
3743 | { |
3233 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
3744 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
3234 | { |
3745 | { |
3235 | struct coro *current = SvSTATE_current; |
3746 | struct coro *current = SvSTATE_current; |
|
|
3747 | struct CoroSLF slf_save; |
3236 | |
3748 | |
3237 | if (current != coro) |
3749 | if (current != coro) |
3238 | { |
3750 | { |
3239 | PUTBACK; |
3751 | PUTBACK; |
3240 | save_perl (aTHX_ current); |
3752 | save_perl (aTHX_ current); |
3241 | load_perl (aTHX_ coro); |
3753 | load_perl (aTHX_ coro); |
|
|
3754 | /* the coro is most likely in an active SLF call. |
|
|
3755 | * while not strictly required (the code we execute is |
|
|
3756 | * not allowed to call any SLF functions), it's cleaner |
|
|
3757 | * to reinitialise the slf_frame and restore it later. |
|
|
3758 | * This might one day allow us to actually do SLF calls |
|
|
3759 | * from code executed here. |
|
|
3760 | */ |
|
|
3761 | slf_save = slf_frame; |
|
|
3762 | slf_frame.prepare = 0; |
3242 | SPAGAIN; |
3763 | SPAGAIN; |
3243 | } |
3764 | } |
3244 | |
3765 | |
3245 | PUSHSTACK; |
3766 | PUSHSTACK; |
3246 | |
3767 | |
… | |
… | |
3256 | SPAGAIN; |
3777 | SPAGAIN; |
3257 | |
3778 | |
3258 | if (current != coro) |
3779 | if (current != coro) |
3259 | { |
3780 | { |
3260 | PUTBACK; |
3781 | PUTBACK; |
|
|
3782 | slf_frame = slf_save; |
3261 | save_perl (aTHX_ coro); |
3783 | save_perl (aTHX_ coro); |
3262 | load_perl (aTHX_ current); |
3784 | load_perl (aTHX_ current); |
3263 | SPAGAIN; |
3785 | SPAGAIN; |
3264 | } |
3786 | } |
3265 | } |
3787 | } |
… | |
… | |
3270 | PROTOTYPE: $ |
3792 | PROTOTYPE: $ |
3271 | ALIAS: |
3793 | ALIAS: |
3272 | is_ready = CF_READY |
3794 | is_ready = CF_READY |
3273 | is_running = CF_RUNNING |
3795 | is_running = CF_RUNNING |
3274 | is_new = CF_NEW |
3796 | is_new = CF_NEW |
3275 | is_destroyed = CF_DESTROYED |
3797 | is_destroyed = CF_ZOMBIE |
|
|
3798 | is_zombie = CF_ZOMBIE |
3276 | is_suspended = CF_SUSPENDED |
3799 | is_suspended = CF_SUSPENDED |
3277 | CODE: |
3800 | CODE: |
3278 | RETVAL = boolSV (coro->flags & ix); |
3801 | RETVAL = boolSV (coro->flags & ix); |
3279 | OUTPUT: |
3802 | OUTPUT: |
3280 | RETVAL |
3803 | RETVAL |
3281 | |
3804 | |
3282 | void |
3805 | void |
3283 | throw (Coro::State self, SV *exception = &PL_sv_undef) |
3806 | throw (SV *self, SV *exception = &PL_sv_undef) |
3284 | PROTOTYPE: $;$ |
3807 | PROTOTYPE: $;$ |
3285 | CODE: |
3808 | CODE: |
3286 | { |
3809 | { |
|
|
3810 | struct coro *coro = SvSTATE (self); |
3287 | struct coro *current = SvSTATE_current; |
3811 | struct coro *current = SvSTATE_current; |
3288 | SV **exceptionp = self == current ? &CORO_THROW : &self->except; |
3812 | SV **exceptionp = coro == current ? &CORO_THROW : &coro->except; |
3289 | SvREFCNT_dec (*exceptionp); |
3813 | SvREFCNT_dec (*exceptionp); |
3290 | SvGETMAGIC (exception); |
3814 | SvGETMAGIC (exception); |
3291 | *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; |
3815 | *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; |
|
|
3816 | |
|
|
3817 | api_ready (aTHX_ self); |
3292 | } |
3818 | } |
3293 | |
3819 | |
3294 | void |
3820 | void |
3295 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3821 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3296 | PROTOTYPE: $;$ |
3822 | PROTOTYPE: $;$ |
… | |
… | |
3351 | |
3877 | |
3352 | void |
3878 | void |
3353 | cancel (Coro::State self) |
3879 | cancel (Coro::State self) |
3354 | CODE: |
3880 | CODE: |
3355 | coro_state_destroy (aTHX_ self); |
3881 | coro_state_destroy (aTHX_ self); |
3356 | coro_call_on_destroy (aTHX_ self); /* actually only for Coro objects */ |
|
|
3357 | |
|
|
3358 | |
3882 | |
3359 | SV * |
3883 | SV * |
3360 | enable_times (int enabled = enable_times) |
3884 | enable_times (int enabled = enable_times) |
3361 | CODE: |
3885 | CODE: |
3362 | { |
3886 | { |
… | |
… | |
3375 | |
3899 | |
3376 | void |
3900 | void |
3377 | times (Coro::State self) |
3901 | times (Coro::State self) |
3378 | PPCODE: |
3902 | PPCODE: |
3379 | { |
3903 | { |
3380 | struct coro *current = SvSTATE (coro_current); |
3904 | struct coro *current = SvSTATE (coro_current); |
3381 | |
3905 | |
3382 | if (expect_false (current == self)) |
3906 | if (ecb_expect_false (current == self)) |
3383 | { |
3907 | { |
3384 | coro_times_update (); |
3908 | coro_times_update (); |
3385 | coro_times_add (SvSTATE (coro_current)); |
3909 | coro_times_add (SvSTATE (coro_current)); |
3386 | } |
3910 | } |
3387 | |
3911 | |
3388 | EXTEND (SP, 2); |
3912 | EXTEND (SP, 2); |
3389 | PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9))); |
3913 | PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9))); |
3390 | PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9))); |
3914 | PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9))); |
3391 | |
3915 | |
3392 | if (expect_false (current == self)) |
3916 | if (ecb_expect_false (current == self)) |
3393 | coro_times_sub (SvSTATE (coro_current)); |
3917 | coro_times_sub (SvSTATE (coro_current)); |
3394 | } |
3918 | } |
3395 | |
3919 | |
3396 | void |
3920 | void |
3397 | swap_sv (Coro::State coro, SV *sv, SV *swapsv) |
3921 | swap_sv (Coro::State coro, SV *sv, SV *swapsv) |
… | |
… | |
3418 | BOOT: |
3942 | BOOT: |
3419 | { |
3943 | { |
3420 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3944 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3421 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3945 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3422 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
3946 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
3423 | cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD); |
|
|
3424 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
3947 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
3425 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
3948 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
3426 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
3949 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
3427 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
3950 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
3428 | sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); |
3951 | sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); |
3429 | |
3952 | |
3430 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3953 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3431 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
3954 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
3432 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
3955 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
3433 | CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */ |
3956 | CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */ |
3434 | |
3957 | |
3435 | coro_stash = gv_stashpv ("Coro", TRUE); |
3958 | coro_stash = gv_stashpv ("Coro", TRUE); |
3436 | |
3959 | |
3437 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
3960 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
3438 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
3961 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
3439 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL)); |
3962 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL)); |
… | |
… | |
3451 | coroapi.ready = api_ready; |
3974 | coroapi.ready = api_ready; |
3452 | coroapi.is_ready = api_is_ready; |
3975 | coroapi.is_ready = api_is_ready; |
3453 | coroapi.nready = coro_nready; |
3976 | coroapi.nready = coro_nready; |
3454 | coroapi.current = coro_current; |
3977 | coroapi.current = coro_current; |
3455 | |
3978 | |
|
|
3979 | coroapi.enterleave_hook = api_enterleave_hook; |
|
|
3980 | coroapi.enterleave_unhook = api_enterleave_unhook; |
|
|
3981 | coroapi.enterleave_scope_hook = api_enterleave_scope_hook; |
|
|
3982 | |
3456 | /*GCoroAPI = &coroapi;*/ |
3983 | /*GCoroAPI = &coroapi;*/ |
3457 | sv_setiv (sv, (IV)&coroapi); |
3984 | sv_setiv (sv, (IV)&coroapi); |
3458 | SvREADONLY_on (sv); |
3985 | SvREADONLY_on (sv); |
3459 | } |
3986 | } |
3460 | } |
3987 | } |
… | |
… | |
3467 | api_ready (aTHX_ RETVAL); |
3994 | api_ready (aTHX_ RETVAL); |
3468 | OUTPUT: |
3995 | OUTPUT: |
3469 | RETVAL |
3996 | RETVAL |
3470 | |
3997 | |
3471 | void |
3998 | void |
|
|
3999 | _destroy (Coro::State coro) |
|
|
4000 | CODE: |
|
|
4001 | /* used by the manager thread */ |
|
|
4002 | coro_state_destroy (aTHX_ coro); |
|
|
4003 | |
|
|
4004 | void |
|
|
4005 | on_destroy (Coro::State coro, SV *cb) |
|
|
4006 | CODE: |
|
|
4007 | coro_push_on_destroy (aTHX_ coro, newSVsv (cb)); |
|
|
4008 | |
|
|
4009 | void |
|
|
4010 | join (...) |
|
|
4011 | CODE: |
|
|
4012 | CORO_EXECUTE_SLF_XS (slf_init_join); |
|
|
4013 | |
|
|
4014 | void |
3472 | terminate (...) |
4015 | terminate (...) |
3473 | CODE: |
4016 | CODE: |
3474 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
4017 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
|
|
4018 | |
|
|
4019 | void |
|
|
4020 | cancel (...) |
|
|
4021 | CODE: |
|
|
4022 | CORO_EXECUTE_SLF_XS (slf_init_cancel); |
|
|
4023 | |
|
|
4024 | int |
|
|
4025 | safe_cancel (Coro::State self, ...) |
|
|
4026 | C_ARGS: aTHX_ self, &ST (1), items - 1 |
3475 | |
4027 | |
3476 | void |
4028 | void |
3477 | schedule (...) |
4029 | schedule (...) |
3478 | CODE: |
4030 | CODE: |
3479 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
4031 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
… | |
… | |
3500 | |
4052 | |
3501 | void |
4053 | void |
3502 | _set_current (SV *current) |
4054 | _set_current (SV *current) |
3503 | PROTOTYPE: $ |
4055 | PROTOTYPE: $ |
3504 | CODE: |
4056 | CODE: |
3505 | SvREFCNT_dec (SvRV (coro_current)); |
4057 | SvREFCNT_dec_NN (SvRV (coro_current)); |
3506 | SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current))); |
4058 | SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current))); |
3507 | |
4059 | |
3508 | void |
4060 | void |
3509 | _set_readyhook (SV *hook) |
4061 | _set_readyhook (SV *hook) |
3510 | PROTOTYPE: $ |
4062 | PROTOTYPE: $ |
… | |
… | |
3594 | |
4146 | |
3595 | if ((SV *)hv == &PL_sv_undef) |
4147 | if ((SV *)hv == &PL_sv_undef) |
3596 | { |
4148 | { |
3597 | SV *sv = coro_new (aTHX_ coro_stash, (SV **)&cv_pool_handler, 1, 1); |
4149 | SV *sv = coro_new (aTHX_ coro_stash, (SV **)&cv_pool_handler, 1, 1); |
3598 | hv = (HV *)SvREFCNT_inc_NN (SvRV (sv)); |
4150 | hv = (HV *)SvREFCNT_inc_NN (SvRV (sv)); |
3599 | SvREFCNT_dec (sv); |
4151 | SvREFCNT_dec_NN (sv); |
3600 | } |
4152 | } |
3601 | |
4153 | |
3602 | { |
4154 | { |
3603 | struct coro *coro = SvSTATE_hv (hv); |
4155 | struct coro *coro = SvSTATE_hv (hv); |
3604 | |
4156 | |
… | |
… | |
3611 | api_ready (aTHX_ (SV *)hv); |
4163 | api_ready (aTHX_ (SV *)hv); |
3612 | |
4164 | |
3613 | if (GIMME_V != G_VOID) |
4165 | if (GIMME_V != G_VOID) |
3614 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv))); |
4166 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv))); |
3615 | else |
4167 | else |
3616 | SvREFCNT_dec (hv); |
4168 | SvREFCNT_dec_NN (hv); |
3617 | } |
4169 | } |
3618 | |
4170 | |
3619 | SV * |
4171 | SV * |
3620 | rouse_cb () |
4172 | rouse_cb () |
3621 | PROTOTYPE: |
4173 | PROTOTYPE: |
… | |
… | |
3636 | on_leave = 1 |
4188 | on_leave = 1 |
3637 | PROTOTYPE: & |
4189 | PROTOTYPE: & |
3638 | CODE: |
4190 | CODE: |
3639 | { |
4191 | { |
3640 | struct coro *coro = SvSTATE_current; |
4192 | struct coro *coro = SvSTATE_current; |
3641 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
4193 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
3642 | |
4194 | |
3643 | block = s_get_cv_croak (block); |
4195 | block = s_get_cv_croak (block); |
3644 | |
4196 | |
3645 | if (!*avp) |
4197 | if (!*avp) |
3646 | *avp = newAV (); |
4198 | *avp = newAV (); |
… | |
… | |
3666 | |
4218 | |
3667 | SV * |
4219 | SV * |
3668 | new (SV *klass, SV *count = 0) |
4220 | new (SV *klass, SV *count = 0) |
3669 | CODE: |
4221 | CODE: |
3670 | { |
4222 | { |
3671 | int semcnt = 1; |
4223 | int semcnt = 1; |
3672 | |
4224 | |
3673 | if (count) |
4225 | if (count) |
3674 | { |
4226 | { |
3675 | SvGETMAGIC (count); |
4227 | SvGETMAGIC (count); |
3676 | |
4228 | |
… | |
… | |
3736 | XSRETURN_NO; |
4288 | XSRETURN_NO; |
3737 | } |
4289 | } |
3738 | |
4290 | |
3739 | void |
4291 | void |
3740 | waiters (SV *self) |
4292 | waiters (SV *self) |
3741 | PPCODE: |
4293 | PPCODE: |
3742 | { |
4294 | { |
3743 | AV *av = (AV *)SvRV (self); |
4295 | AV *av = (AV *)SvRV (self); |
3744 | int wcount = AvFILLp (av) + 1 - 1; |
4296 | int wcount = AvFILLp (av) + 1 - 1; |
3745 | |
4297 | |
3746 | if (GIMME_V == G_SCALAR) |
4298 | if (GIMME_V == G_SCALAR) |
… | |
… | |
3755 | } |
4307 | } |
3756 | |
4308 | |
3757 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
4309 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
3758 | |
4310 | |
3759 | void |
4311 | void |
3760 | _may_delete (SV *sem, int count, int extra_refs) |
4312 | _may_delete (SV *sem, int count, unsigned int extra_refs) |
3761 | PPCODE: |
4313 | PPCODE: |
3762 | { |
4314 | { |
3763 | AV *av = (AV *)SvRV (sem); |
4315 | AV *av = (AV *)SvRV (sem); |
3764 | |
4316 | |
3765 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
4317 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
3766 | && AvFILLp (av) == 0 /* no waiters, just count */ |
4318 | && AvFILLp (av) == 0 /* no waiters, just count */ |
3767 | && SvIV (AvARRAY (av)[0]) == count) |
4319 | && SvIV (AvARRAY (av)[0]) == count) |
3768 | XSRETURN_YES; |
4320 | XSRETURN_YES; |
… | |
… | |
3789 | |
4341 | |
3790 | void |
4342 | void |
3791 | broadcast (SV *self) |
4343 | broadcast (SV *self) |
3792 | CODE: |
4344 | CODE: |
3793 | { |
4345 | { |
3794 | AV *av = (AV *)SvRV (self); |
4346 | AV *av = (AV *)SvRV (self); |
3795 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
4347 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
3796 | } |
4348 | } |
3797 | |
4349 | |
3798 | void |
4350 | void |
3799 | send (SV *self) |
4351 | send (SV *self) |
… | |
… | |
3807 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
4359 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
3808 | } |
4360 | } |
3809 | |
4361 | |
3810 | IV |
4362 | IV |
3811 | awaited (SV *self) |
4363 | awaited (SV *self) |
3812 | CODE: |
4364 | CODE: |
3813 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
4365 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
3814 | OUTPUT: |
4366 | OUTPUT: |
3815 | RETVAL |
4367 | RETVAL |
3816 | |
4368 | |
3817 | |
4369 | |
… | |
… | |
3822 | |
4374 | |
3823 | void |
4375 | void |
3824 | _schedule (...) |
4376 | _schedule (...) |
3825 | CODE: |
4377 | CODE: |
3826 | { |
4378 | { |
3827 | static int incede; |
4379 | static int incede; |
3828 | |
4380 | |
3829 | api_cede_notself (aTHX); |
4381 | api_cede_notself (aTHX); |
3830 | |
4382 | |
3831 | ++incede; |
4383 | ++incede; |
3832 | while (coro_nready >= incede && api_cede (aTHX)) |
4384 | while (coro_nready >= incede && api_cede (aTHX)) |
… | |
… | |
3876 | { |
4428 | { |
3877 | PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; |
4429 | PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; |
3878 | coro_old_pp_sselect = 0; |
4430 | coro_old_pp_sselect = 0; |
3879 | } |
4431 | } |
3880 | |
4432 | |
|
|
4433 | MODULE = Coro::State PACKAGE = Coro::Util |
3881 | |
4434 | |
|
|
4435 | void |
|
|
4436 | _exit (int code) |
|
|
4437 | CODE: |
|
|
4438 | _exit (code); |
|
|
4439 | |
|
|
4440 | NV |
|
|
4441 | time () |
|
|
4442 | CODE: |
|
|
4443 | RETVAL = nvtime (aTHX); |
|
|
4444 | OUTPUT: |
|
|
4445 | RETVAL |
|
|
4446 | |
|
|
4447 | NV |
|
|
4448 | gettimeofday () |
|
|
4449 | PPCODE: |
|
|
4450 | { |
|
|
4451 | UV tv [2]; |
|
|
4452 | u2time (aTHX_ tv); |
|
|
4453 | EXTEND (SP, 2); |
|
|
4454 | PUSHs (sv_2mortal (newSVuv (tv [0]))); |
|
|
4455 | PUSHs (sv_2mortal (newSVuv (tv [1]))); |
|
|
4456 | } |
|
|
4457 | |