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1 | /* this works around a bug in mingw32 providing a non-working setjmp */ |
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2 | #define USE_NO_MINGW_SETJMP_TWO_ARGS |
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3 | |
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4 | #define NDEBUG 1 |
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5 | |
1 | #include "libcoro/coro.c" |
6 | #include "libcoro/coro.c" |
2 | |
7 | |
3 | #define PERL_NO_GET_CONTEXT |
8 | #define PERL_NO_GET_CONTEXT |
4 | #define PERL_EXT |
9 | #define PERL_EXT |
5 | |
10 | |
6 | #include "EXTERN.h" |
11 | #include "EXTERN.h" |
7 | #include "perl.h" |
12 | #include "perl.h" |
8 | #include "XSUB.h" |
13 | #include "XSUB.h" |
9 | #include "perliol.h" |
14 | #include "perliol.h" |
10 | |
15 | |
11 | #include "patchlevel.h" |
16 | #include "schmorp.h" |
12 | |
17 | |
13 | #include <stdio.h> |
18 | #include <stdio.h> |
14 | #include <errno.h> |
19 | #include <errno.h> |
15 | #include <assert.h> |
20 | #include <assert.h> |
16 | |
21 | |
17 | #ifdef WIN32 |
22 | #ifndef SVs_PADSTALE |
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23 | # define SVs_PADSTALE 0 |
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24 | #endif |
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25 | |
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26 | #if defined(_WIN32) |
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27 | # undef HAS_GETTIMEOFDAY |
18 | # undef setjmp |
28 | # undef setjmp |
19 | # undef longjmp |
29 | # undef longjmp |
20 | # undef _exit |
30 | # undef _exit |
21 | # define setjmp _setjmp /* deep magic */ |
31 | # define setjmp _setjmp /* deep magic */ |
22 | #else |
32 | #else |
… | |
… | |
51 | #endif |
61 | #endif |
52 | |
62 | |
53 | /* the maximum number of idle cctx that will be pooled */ |
63 | /* the maximum number of idle cctx that will be pooled */ |
54 | static int cctx_max_idle = 4; |
64 | static int cctx_max_idle = 4; |
55 | |
65 | |
56 | #define PERL_VERSION_ATLEAST(a,b,c) \ |
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57 | (PERL_REVISION > (a) \ |
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58 | || (PERL_REVISION == (a) \ |
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59 | && (PERL_VERSION > (b) \ |
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60 | || (PERL_VERSION == (b) && PERLSUBVERSION >= (c))))) |
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61 | |
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62 | #if !PERL_VERSION_ATLEAST (5,6,0) |
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63 | # ifndef PL_ppaddr |
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64 | # define PL_ppaddr ppaddr |
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65 | # endif |
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66 | # ifndef call_sv |
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67 | # define call_sv perl_call_sv |
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68 | # endif |
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69 | # ifndef get_sv |
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70 | # define get_sv perl_get_sv |
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71 | # endif |
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72 | # ifndef get_cv |
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73 | # define get_cv perl_get_cv |
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74 | # endif |
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75 | # ifndef IS_PADGV |
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76 | # define IS_PADGV(v) 0 |
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77 | # endif |
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78 | # ifndef IS_PADCONST |
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79 | # define IS_PADCONST(v) 0 |
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80 | # endif |
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81 | #endif |
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82 | |
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83 | /* 5.11 */ |
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84 | #ifndef CxHASARGS |
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85 | # define CxHASARGS(cx) (cx)->blk_sub.hasargs |
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86 | #endif |
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87 | |
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88 | /* 5.10.0 */ |
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89 | #ifndef SvREFCNT_inc_NN |
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90 | # define SvREFCNT_inc_NN(sv) SvREFCNT_inc (sv) |
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91 | #endif |
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92 | |
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93 | /* 5.8.8 */ |
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94 | #ifndef GV_NOTQUAL |
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95 | # define GV_NOTQUAL 0 |
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96 | #endif |
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97 | #ifndef newSV |
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98 | # define newSV(l) NEWSV(0,l) |
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99 | #endif |
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100 | #ifndef CvISXSUB_on |
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101 | # define CvISXSUB_on(cv) (void)cv |
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102 | #endif |
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103 | |
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104 | /* 5.8.7 */ |
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105 | #ifndef SvRV_set |
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106 | # define SvRV_set(s,v) SvRV(s) = (v) |
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107 | #endif |
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108 | |
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109 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
66 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
110 | # undef CORO_STACKGUARD |
67 | # undef CORO_STACKGUARD |
111 | #endif |
68 | #endif |
112 | |
69 | |
113 | #ifndef CORO_STACKGUARD |
70 | #ifndef CORO_STACKGUARD |
… | |
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127 | #else |
84 | #else |
128 | # define dSTACKLEVEL volatile void *stacklevel |
85 | # define dSTACKLEVEL volatile void *stacklevel |
129 | # define STACKLEVEL ((void *)&stacklevel) |
86 | # define STACKLEVEL ((void *)&stacklevel) |
130 | #endif |
87 | #endif |
131 | |
88 | |
132 | #define IN_DESTRUCT (PL_main_cv == Nullcv) |
89 | #define IN_DESTRUCT PL_dirty |
133 | |
90 | |
134 | #if __GNUC__ >= 3 |
91 | #if __GNUC__ >= 3 |
135 | # define attribute(x) __attribute__(x) |
92 | # define attribute(x) __attribute__(x) |
136 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
93 | # define expect(expr,value) __builtin_expect ((expr), (value)) |
137 | # define INLINE static inline |
94 | # define INLINE static inline |
138 | #else |
95 | #else |
139 | # define attribute(x) |
96 | # define attribute(x) |
140 | # define expect(expr,value) (expr) |
97 | # define expect(expr,value) (expr) |
141 | # define INLINE static |
98 | # define INLINE static |
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153 | # if CORO_PTHREAD |
110 | # if CORO_PTHREAD |
154 | static void *coro_thx; |
111 | static void *coro_thx; |
155 | # endif |
112 | # endif |
156 | #endif |
113 | #endif |
157 | |
114 | |
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115 | #ifdef __linux |
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116 | # include <time.h> /* for timespec */ |
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117 | # include <syscall.h> /* for SYS_* */ |
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118 | # ifdef SYS_clock_gettime |
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119 | # define coro_clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
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120 | # define CORO_CLOCK_MONOTONIC 1 |
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121 | # define CORO_CLOCK_THREAD_CPUTIME_ID 3 |
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122 | # endif |
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123 | #endif |
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124 | |
158 | static double (*nvtime)(); /* so why doesn't it take void? */ |
125 | static double (*nvtime)(); /* so why doesn't it take void? */ |
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126 | static void (*u2time)(pTHX_ UV ret[2]); |
159 | |
127 | |
160 | /* we hijack an hopefully unused CV flag for our purposes */ |
128 | /* we hijack an hopefully unused CV flag for our purposes */ |
161 | #define CVf_SLF 0x4000 |
129 | #define CVf_SLF 0x4000 |
162 | static OP *pp_slf (pTHX); |
130 | static OP *pp_slf (pTHX); |
163 | |
131 | |
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167 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
135 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
168 | static JMPENV *main_top_env; |
136 | static JMPENV *main_top_env; |
169 | static HV *coro_state_stash, *coro_stash; |
137 | static HV *coro_state_stash, *coro_stash; |
170 | static volatile SV *coro_mortal; /* will be freed/thrown after next transfer */ |
138 | static volatile SV *coro_mortal; /* will be freed/thrown after next transfer */ |
171 | |
139 | |
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140 | static AV *av_destroy; /* destruction queue */ |
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141 | static SV *sv_manager; /* the manager coro */ |
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142 | static SV *sv_idle; /* $Coro::idle */ |
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143 | |
172 | static GV *irsgv; /* $/ */ |
144 | static GV *irsgv; /* $/ */ |
173 | static GV *stdoutgv; /* *STDOUT */ |
145 | static GV *stdoutgv; /* *STDOUT */ |
174 | static SV *rv_diehook; |
146 | static SV *rv_diehook; |
175 | static SV *rv_warnhook; |
147 | static SV *rv_warnhook; |
176 | static HV *hv_sig; /* %SIG */ |
148 | static HV *hv_sig; /* %SIG */ |
177 | |
149 | |
178 | /* async_pool helper stuff */ |
150 | /* async_pool helper stuff */ |
179 | static SV *sv_pool_rss; |
151 | static SV *sv_pool_rss; |
180 | static SV *sv_pool_size; |
152 | static SV *sv_pool_size; |
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153 | static SV *sv_async_pool_idle; /* description string */ |
181 | static AV *av_async_pool; |
154 | static AV *av_async_pool; /* idle pool */ |
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155 | static SV *sv_Coro; /* class string */ |
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156 | static CV *cv_pool_handler; |
182 | |
157 | |
183 | /* Coro::AnyEvent */ |
158 | /* Coro::AnyEvent */ |
184 | static SV *sv_activity; |
159 | static SV *sv_activity; |
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160 | |
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161 | /* enable processtime/realtime profiling */ |
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162 | static char enable_times; |
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163 | typedef U32 coro_ts[2]; |
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164 | static coro_ts time_real, time_cpu; |
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165 | static char times_valid; |
185 | |
166 | |
186 | static struct coro_cctx *cctx_first; |
167 | static struct coro_cctx *cctx_first; |
187 | static int cctx_count, cctx_idle; |
168 | static int cctx_count, cctx_idle; |
188 | |
169 | |
189 | enum { |
170 | enum { |
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215 | int valgrind_id; |
196 | int valgrind_id; |
216 | #endif |
197 | #endif |
217 | unsigned char flags; |
198 | unsigned char flags; |
218 | } coro_cctx; |
199 | } coro_cctx; |
219 | |
200 | |
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201 | static coro_cctx *cctx_current; /* the currently running cctx */ |
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202 | |
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203 | /*****************************************************************************/ |
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204 | |
220 | enum { |
205 | enum { |
221 | CF_RUNNING = 0x0001, /* coroutine is running */ |
206 | CF_RUNNING = 0x0001, /* coroutine is running */ |
222 | CF_READY = 0x0002, /* coroutine is ready */ |
207 | CF_READY = 0x0002, /* coroutine is ready */ |
223 | CF_NEW = 0x0004, /* has never been switched to */ |
208 | CF_NEW = 0x0004, /* has never been switched to */ |
224 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
209 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
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210 | CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */ |
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211 | CF_NOCANCEL = 0x0020, /* cannot cancel, set slf_frame.data to 1 (hackish) */ |
225 | }; |
212 | }; |
226 | |
213 | |
227 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
214 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
228 | typedef struct |
215 | typedef struct |
229 | { |
216 | { |
230 | SV *defsv; |
217 | SV *defsv; |
231 | AV *defav; |
218 | AV *defav; |
232 | SV *errsv; |
219 | SV *errsv; |
233 | SV *irsgv; |
220 | SV *irsgv; |
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221 | HV *hinthv; |
234 | #define VAR(name,type) type name; |
222 | #define VAR(name,type) type name; |
235 | # include "state.h" |
223 | # include "state.h" |
236 | #undef VAR |
224 | #undef VAR |
237 | } perl_slots; |
225 | } perl_slots; |
238 | |
226 | |
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240 | |
228 | |
241 | /* this is a structure representing a perl-level coroutine */ |
229 | /* this is a structure representing a perl-level coroutine */ |
242 | struct coro { |
230 | struct coro { |
243 | /* the C coroutine allocated to this perl coroutine, if any */ |
231 | /* the C coroutine allocated to this perl coroutine, if any */ |
244 | coro_cctx *cctx; |
232 | coro_cctx *cctx; |
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233 | |
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234 | /* ready queue */ |
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235 | struct coro *next_ready; |
245 | |
236 | |
246 | /* state data */ |
237 | /* state data */ |
247 | struct CoroSLF slf_frame; /* saved slf frame */ |
238 | struct CoroSLF slf_frame; /* saved slf frame */ |
248 | AV *mainstack; |
239 | AV *mainstack; |
249 | perl_slots *slot; /* basically the saved sp */ |
240 | perl_slots *slot; /* basically the saved sp */ |
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251 | CV *startcv; /* the CV to execute */ |
242 | CV *startcv; /* the CV to execute */ |
252 | AV *args; /* data associated with this coroutine (initial args) */ |
243 | AV *args; /* data associated with this coroutine (initial args) */ |
253 | int refcnt; /* coroutines are refcounted, yes */ |
244 | int refcnt; /* coroutines are refcounted, yes */ |
254 | int flags; /* CF_ flags */ |
245 | int flags; /* CF_ flags */ |
255 | HV *hv; /* the perl hash associated with this coro, if any */ |
246 | HV *hv; /* the perl hash associated with this coro, if any */ |
256 | void (*on_destroy)(pTHX_ struct coro *coro); |
247 | void (*on_destroy)(pTHX_ struct coro *coro); /* for temporary use by xs in critical sections */ |
257 | |
248 | |
258 | /* statistics */ |
249 | /* statistics */ |
259 | int usecount; /* number of transfers to this coro */ |
250 | int usecount; /* number of transfers to this coro */ |
260 | |
251 | |
261 | /* coro process data */ |
252 | /* coro process data */ |
… | |
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263 | SV *except; /* exception to be thrown */ |
254 | SV *except; /* exception to be thrown */ |
264 | SV *rouse_cb; |
255 | SV *rouse_cb; |
265 | |
256 | |
266 | /* async_pool */ |
257 | /* async_pool */ |
267 | SV *saved_deffh; |
258 | SV *saved_deffh; |
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259 | SV *invoke_cb; |
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260 | AV *invoke_av; |
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261 | |
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262 | /* on_enter/on_leave */ |
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263 | AV *on_enter; |
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264 | AV *on_leave; |
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265 | |
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266 | /* swap_sv */ |
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267 | AV *swap_sv; |
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268 | |
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269 | /* times */ |
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270 | coro_ts t_cpu, t_real; |
268 | |
271 | |
269 | /* linked list */ |
272 | /* linked list */ |
270 | struct coro *next, *prev; |
273 | struct coro *next, *prev; |
271 | }; |
274 | }; |
272 | |
275 | |
273 | typedef struct coro *Coro__State; |
276 | typedef struct coro *Coro__State; |
274 | typedef struct coro *Coro__State_or_hashref; |
277 | typedef struct coro *Coro__State_or_hashref; |
275 | |
278 | |
276 | /* the following variables are effectively part of the perl context */ |
279 | /* the following variables are effectively part of the perl context */ |
277 | /* and get copied between struct coro and these variables */ |
280 | /* and get copied between struct coro and these variables */ |
278 | /* the mainr easonw e don't support windows process emulation */ |
281 | /* the main reason we don't support windows process emulation */ |
279 | static struct CoroSLF slf_frame; /* the current slf frame */ |
282 | static struct CoroSLF slf_frame; /* the current slf frame */ |
280 | |
283 | |
281 | /** Coro ********************************************************************/ |
284 | /** Coro ********************************************************************/ |
282 | |
285 | |
283 | #define PRIO_MAX 3 |
286 | #define CORO_PRIO_MAX 3 |
284 | #define PRIO_HIGH 1 |
287 | #define CORO_PRIO_HIGH 1 |
285 | #define PRIO_NORMAL 0 |
288 | #define CORO_PRIO_NORMAL 0 |
286 | #define PRIO_LOW -1 |
289 | #define CORO_PRIO_LOW -1 |
287 | #define PRIO_IDLE -3 |
290 | #define CORO_PRIO_IDLE -3 |
288 | #define PRIO_MIN -4 |
291 | #define CORO_PRIO_MIN -4 |
289 | |
292 | |
290 | /* for Coro.pm */ |
293 | /* for Coro.pm */ |
291 | static SV *coro_current; |
294 | static SV *coro_current; |
292 | static SV *coro_readyhook; |
295 | static SV *coro_readyhook; |
293 | static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1]; |
296 | static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ |
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297 | static CV *cv_coro_run, *cv_coro_terminate; |
294 | static struct coro *coro_first; |
298 | static struct coro *coro_first; |
295 | #define coro_nready coroapi.nready |
299 | #define coro_nready coroapi.nready |
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300 | |
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301 | /** Coro::Select ************************************************************/ |
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302 | |
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303 | static OP *(*coro_old_pp_sselect) (pTHX); |
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304 | static SV *coro_select_select; |
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305 | |
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306 | /* horrible hack, but if it works... */ |
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307 | static OP * |
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308 | coro_pp_sselect (pTHX) |
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309 | { |
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310 | dSP; |
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311 | PUSHMARK (SP - 4); /* fake argument list */ |
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312 | XPUSHs (coro_select_select); |
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313 | PUTBACK; |
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314 | |
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315 | /* entersub is an UNOP, select a LISTOP... keep your fingers crossed */ |
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316 | PL_op->op_flags |= OPf_STACKED; |
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317 | PL_op->op_private = 0; |
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318 | return PL_ppaddr [OP_ENTERSUB](aTHX); |
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319 | } |
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320 | |
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321 | /** time stuff **************************************************************/ |
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322 | |
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323 | #ifdef HAS_GETTIMEOFDAY |
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324 | |
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325 | static void |
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326 | coro_u2time (pTHX_ UV ret[2]) |
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327 | { |
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328 | struct timeval tv; |
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329 | gettimeofday (&tv, 0); |
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330 | |
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331 | ret [0] = tv.tv_sec; |
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332 | ret [1] = tv.tv_usec; |
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333 | } |
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334 | |
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335 | static double |
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336 | coro_nvtime () |
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337 | { |
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338 | struct timeval tv; |
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339 | gettimeofday (&tv, 0); |
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340 | |
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341 | return tv.tv_sec + tv.tv_usec * 1e-6; |
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342 | } |
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343 | |
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344 | static void |
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345 | time_init (pTHX) |
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346 | { |
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347 | nvtime = coro_nvtime; |
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348 | u2time = coro_u2time; |
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349 | } |
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350 | |
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351 | #else |
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352 | |
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353 | static void |
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354 | time_init (pTHX) |
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355 | { |
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356 | SV **svp; |
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357 | |
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358 | require_pv ("Time/HiRes.pm"); |
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359 | |
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360 | svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
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361 | |
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362 | if (!svp) croak ("Time::HiRes is required, but missing. Caught"); |
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363 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer. Caught"); |
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364 | |
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365 | nvtime = INT2PTR (double (*)(), SvIV (*svp)); |
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366 | |
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367 | svp = hv_fetch (PL_modglobal, "Time::U2time", 12, 0); |
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368 | u2time = INT2PTR (void (*)(pTHX_ UV ret[2]), SvIV (*svp)); |
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369 | } |
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370 | |
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371 | #endif |
296 | |
372 | |
297 | /** lowlevel stuff **********************************************************/ |
373 | /** lowlevel stuff **********************************************************/ |
298 | |
374 | |
299 | static SV * |
375 | static SV * |
300 | coro_get_sv (pTHX_ const char *name, int create) |
376 | coro_get_sv (pTHX_ const char *name, int create) |
… | |
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324 | get_hv (name, create); |
400 | get_hv (name, create); |
325 | #endif |
401 | #endif |
326 | return get_hv (name, create); |
402 | return get_hv (name, create); |
327 | } |
403 | } |
328 | |
404 | |
329 | /* may croak */ |
405 | INLINE void |
330 | INLINE CV * |
406 | coro_times_update () |
331 | coro_sv_2cv (SV *sv) |
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332 | { |
407 | { |
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408 | #ifdef coro_clock_gettime |
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409 | struct timespec ts; |
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410 | |
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411 | ts.tv_sec = ts.tv_nsec = 0; |
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412 | coro_clock_gettime (CORO_CLOCK_THREAD_CPUTIME_ID, &ts); |
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413 | time_cpu [0] = ts.tv_sec; time_cpu [1] = ts.tv_nsec; |
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414 | |
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415 | ts.tv_sec = ts.tv_nsec = 0; |
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416 | coro_clock_gettime (CORO_CLOCK_MONOTONIC, &ts); |
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417 | time_real [0] = ts.tv_sec; time_real [1] = ts.tv_nsec; |
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418 | #else |
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419 | dTHX; |
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420 | UV tv[2]; |
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421 | |
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422 | u2time (aTHX_ tv); |
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423 | time_real [0] = tv [0]; |
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424 | time_real [1] = tv [1] * 1000; |
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425 | #endif |
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426 | } |
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427 | |
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428 | INLINE void |
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429 | coro_times_add (struct coro *c) |
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430 | { |
|
|
431 | c->t_real [1] += time_real [1]; |
|
|
432 | if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } |
|
|
433 | c->t_real [0] += time_real [0]; |
|
|
434 | |
|
|
435 | c->t_cpu [1] += time_cpu [1]; |
|
|
436 | if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } |
|
|
437 | c->t_cpu [0] += time_cpu [0]; |
|
|
438 | } |
|
|
439 | |
|
|
440 | INLINE void |
|
|
441 | coro_times_sub (struct coro *c) |
|
|
442 | { |
|
|
443 | if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } |
|
|
444 | c->t_real [1] -= time_real [1]; |
|
|
445 | c->t_real [0] -= time_real [0]; |
|
|
446 | |
|
|
447 | if (c->t_cpu [1] < time_cpu [1]) { c->t_cpu [1] += 1000000000; --c->t_cpu [0]; } |
|
|
448 | c->t_cpu [1] -= time_cpu [1]; |
|
|
449 | c->t_cpu [0] -= time_cpu [0]; |
|
|
450 | } |
|
|
451 | |
|
|
452 | /*****************************************************************************/ |
|
|
453 | /* magic glue */ |
|
|
454 | |
|
|
455 | #define CORO_MAGIC_type_cv 26 |
|
|
456 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
|
|
457 | |
|
|
458 | #define CORO_MAGIC_NN(sv, type) \ |
|
|
459 | (expect_true (SvMAGIC (sv)->mg_type == type) \ |
|
|
460 | ? SvMAGIC (sv) \ |
|
|
461 | : mg_find (sv, type)) |
|
|
462 | |
|
|
463 | #define CORO_MAGIC(sv, type) \ |
|
|
464 | (expect_true (SvMAGIC (sv)) \ |
|
|
465 | ? CORO_MAGIC_NN (sv, type) \ |
|
|
466 | : 0) |
|
|
467 | |
|
|
468 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
|
|
469 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
|
|
470 | |
|
|
471 | INLINE struct coro * |
|
|
472 | SvSTATE_ (pTHX_ SV *coro) |
|
|
473 | { |
333 | HV *st; |
474 | HV *stash; |
334 | GV *gvp; |
475 | MAGIC *mg; |
335 | return sv_2cv (sv, &st, &gvp, 0); |
476 | |
|
|
477 | if (SvROK (coro)) |
|
|
478 | coro = SvRV (coro); |
|
|
479 | |
|
|
480 | if (expect_false (SvTYPE (coro) != SVt_PVHV)) |
|
|
481 | croak ("Coro::State object required"); |
|
|
482 | |
|
|
483 | stash = SvSTASH (coro); |
|
|
484 | if (expect_false (stash != coro_stash && stash != coro_state_stash)) |
|
|
485 | { |
|
|
486 | /* very slow, but rare, check */ |
|
|
487 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
|
|
488 | croak ("Coro::State object required"); |
|
|
489 | } |
|
|
490 | |
|
|
491 | mg = CORO_MAGIC_state (coro); |
|
|
492 | return (struct coro *)mg->mg_ptr; |
336 | } |
493 | } |
|
|
494 | |
|
|
495 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
|
|
496 | |
|
|
497 | /* faster than SvSTATE, but expects a coroutine hv */ |
|
|
498 | #define SvSTATE_hv(hv) ((struct coro *)CORO_MAGIC_NN ((SV *)hv, CORO_MAGIC_type_state)->mg_ptr) |
|
|
499 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
|
|
500 | |
|
|
501 | /*****************************************************************************/ |
|
|
502 | /* padlist management and caching */ |
337 | |
503 | |
338 | static AV * |
504 | static AV * |
339 | coro_clone_padlist (pTHX_ CV *cv) |
505 | coro_derive_padlist (pTHX_ CV *cv) |
340 | { |
506 | { |
341 | AV *padlist = CvPADLIST (cv); |
507 | AV *padlist = CvPADLIST (cv); |
342 | AV *newpadlist, *newpad; |
508 | AV *newpadlist, *newpad; |
343 | |
509 | |
344 | newpadlist = newAV (); |
510 | newpadlist = newAV (); |
… | |
… | |
349 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
515 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
350 | #endif |
516 | #endif |
351 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
517 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
352 | --AvFILLp (padlist); |
518 | --AvFILLp (padlist); |
353 | |
519 | |
354 | av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE))); |
520 | av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0])); |
355 | av_store (newpadlist, 1, (SV *)newpad); |
521 | av_store (newpadlist, 1, (SV *)newpad); |
356 | |
522 | |
357 | return newpadlist; |
523 | return newpadlist; |
358 | } |
524 | } |
359 | |
525 | |
360 | static void |
526 | static void |
361 | free_padlist (pTHX_ AV *padlist) |
527 | free_padlist (pTHX_ AV *padlist) |
362 | { |
528 | { |
363 | /* may be during global destruction */ |
529 | /* may be during global destruction */ |
364 | if (SvREFCNT (padlist)) |
530 | if (!IN_DESTRUCT) |
365 | { |
531 | { |
366 | I32 i = AvFILLp (padlist); |
532 | I32 i = AvFILLp (padlist); |
367 | while (i >= 0) |
533 | |
|
|
534 | while (i > 0) /* special-case index 0 */ |
368 | { |
535 | { |
369 | SV **svp = av_fetch (padlist, i--, FALSE); |
536 | /* we try to be extra-careful here */ |
370 | if (svp) |
537 | AV *av = (AV *)AvARRAY (padlist)[i--]; |
371 | { |
538 | I32 j = AvFILLp (av); |
372 | SV *sv; |
539 | |
373 | while (&PL_sv_undef != (sv = av_pop ((AV *)*svp))) |
540 | while (j >= 0) |
|
|
541 | SvREFCNT_dec (AvARRAY (av)[j--]); |
|
|
542 | |
|
|
543 | AvFILLp (av) = -1; |
374 | SvREFCNT_dec (sv); |
544 | SvREFCNT_dec (av); |
375 | |
|
|
376 | SvREFCNT_dec (*svp); |
|
|
377 | } |
|
|
378 | } |
545 | } |
379 | |
546 | |
|
|
547 | SvREFCNT_dec (AvARRAY (padlist)[0]); |
|
|
548 | |
|
|
549 | AvFILLp (padlist) = -1; |
380 | SvREFCNT_dec ((SV*)padlist); |
550 | SvREFCNT_dec ((SV*)padlist); |
381 | } |
551 | } |
382 | } |
552 | } |
383 | |
553 | |
384 | static int |
554 | static int |
385 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
555 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
386 | { |
556 | { |
387 | AV *padlist; |
557 | AV *padlist; |
388 | AV *av = (AV *)mg->mg_obj; |
558 | AV *av = (AV *)mg->mg_obj; |
|
|
559 | |
|
|
560 | /* perl manages to free our internal AV and _then_ call us */ |
|
|
561 | if (IN_DESTRUCT) |
|
|
562 | return 0; |
389 | |
563 | |
390 | /* casting is fun. */ |
564 | /* casting is fun. */ |
391 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
565 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
392 | free_padlist (aTHX_ padlist); |
566 | free_padlist (aTHX_ padlist); |
393 | |
567 | |
394 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
568 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
395 | |
569 | |
396 | return 0; |
570 | return 0; |
397 | } |
571 | } |
398 | |
|
|
399 | #define CORO_MAGIC_type_cv 26 |
|
|
400 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
|
|
401 | |
572 | |
402 | static MGVTBL coro_cv_vtbl = { |
573 | static MGVTBL coro_cv_vtbl = { |
403 | 0, 0, 0, 0, |
574 | 0, 0, 0, 0, |
404 | coro_cv_free |
575 | coro_cv_free |
405 | }; |
576 | }; |
406 | |
|
|
407 | #define CORO_MAGIC_NN(sv, type) \ |
|
|
408 | (expect_true (SvMAGIC (sv)->mg_type == type) \ |
|
|
409 | ? SvMAGIC (sv) \ |
|
|
410 | : mg_find (sv, type)) |
|
|
411 | |
|
|
412 | #define CORO_MAGIC(sv, type) \ |
|
|
413 | (expect_true (SvMAGIC (sv)) \ |
|
|
414 | ? CORO_MAGIC_NN (sv, type) \ |
|
|
415 | : 0) |
|
|
416 | |
|
|
417 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
|
|
418 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
|
|
419 | |
|
|
420 | INLINE struct coro * |
|
|
421 | SvSTATE_ (pTHX_ SV *coro) |
|
|
422 | { |
|
|
423 | HV *stash; |
|
|
424 | MAGIC *mg; |
|
|
425 | |
|
|
426 | if (SvROK (coro)) |
|
|
427 | coro = SvRV (coro); |
|
|
428 | |
|
|
429 | if (expect_false (SvTYPE (coro) != SVt_PVHV)) |
|
|
430 | croak ("Coro::State object required"); |
|
|
431 | |
|
|
432 | stash = SvSTASH (coro); |
|
|
433 | if (expect_false (stash != coro_stash && stash != coro_state_stash)) |
|
|
434 | { |
|
|
435 | /* very slow, but rare, check */ |
|
|
436 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
|
|
437 | croak ("Coro::State object required"); |
|
|
438 | } |
|
|
439 | |
|
|
440 | mg = CORO_MAGIC_state (coro); |
|
|
441 | return (struct coro *)mg->mg_ptr; |
|
|
442 | } |
|
|
443 | |
|
|
444 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
|
|
445 | |
|
|
446 | /* faster than SvSTATE, but expects a coroutine hv */ |
|
|
447 | #define SvSTATE_hv(hv) ((struct coro *)CORO_MAGIC_NN ((SV *)hv, CORO_MAGIC_type_state)->mg_ptr) |
|
|
448 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
|
|
449 | |
577 | |
450 | /* the next two functions merely cache the padlists */ |
578 | /* the next two functions merely cache the padlists */ |
451 | static void |
579 | static void |
452 | get_padlist (pTHX_ CV *cv) |
580 | get_padlist (pTHX_ CV *cv) |
453 | { |
581 | { |
… | |
… | |
464 | CV *cp = Perl_cv_clone (aTHX_ cv); |
592 | CV *cp = Perl_cv_clone (aTHX_ cv); |
465 | CvPADLIST (cv) = CvPADLIST (cp); |
593 | CvPADLIST (cv) = CvPADLIST (cp); |
466 | CvPADLIST (cp) = 0; |
594 | CvPADLIST (cp) = 0; |
467 | SvREFCNT_dec (cp); |
595 | SvREFCNT_dec (cp); |
468 | #else |
596 | #else |
469 | CvPADLIST (cv) = coro_clone_padlist (aTHX_ cv); |
597 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
470 | #endif |
598 | #endif |
471 | } |
599 | } |
472 | } |
600 | } |
473 | |
601 | |
474 | static void |
602 | static void |
… | |
… | |
481 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
609 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
482 | |
610 | |
483 | av = (AV *)mg->mg_obj; |
611 | av = (AV *)mg->mg_obj; |
484 | |
612 | |
485 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
613 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
486 | av_extend (av, AvMAX (av) + 1); |
614 | av_extend (av, AvFILLp (av) + 1); |
487 | |
615 | |
488 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
616 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
489 | } |
617 | } |
490 | |
618 | |
491 | /** load & save, init *******************************************************/ |
619 | /** load & save, init *******************************************************/ |
|
|
620 | |
|
|
621 | /* swap sv heads, at least logically */ |
|
|
622 | static void |
|
|
623 | swap_svs (pTHX_ Coro__State c) |
|
|
624 | { |
|
|
625 | int i; |
|
|
626 | |
|
|
627 | for (i = 0; i <= AvFILLp (c->swap_sv); ) |
|
|
628 | { |
|
|
629 | SV *a = AvARRAY (c->swap_sv)[i++]; |
|
|
630 | SV *b = AvARRAY (c->swap_sv)[i++]; |
|
|
631 | |
|
|
632 | const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */ |
|
|
633 | SV tmp; |
|
|
634 | |
|
|
635 | /* swap sv_any */ |
|
|
636 | SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp); |
|
|
637 | |
|
|
638 | /* swap sv_flags */ |
|
|
639 | SvFLAGS (&tmp) = SvFLAGS (a); |
|
|
640 | SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep); |
|
|
641 | SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep); |
|
|
642 | |
|
|
643 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
644 | /* perl 5.10 complicates this _quite_ a bit, but it also is |
|
|
645 | * much faster, so no quarrels here. alternatively, we could |
|
|
646 | * sv_upgrade to avoid this. |
|
|
647 | */ |
|
|
648 | { |
|
|
649 | /* swap sv_u */ |
|
|
650 | tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u; |
|
|
651 | |
|
|
652 | /* if SvANY points to the head, we need to adjust the pointers, |
|
|
653 | * as the pointer for a still points to b, and maybe vice versa. |
|
|
654 | */ |
|
|
655 | #define svany_in_head(type) \ |
|
|
656 | (((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type))) |
|
|
657 | |
|
|
658 | if (svany_in_head (SvTYPE (a))) |
|
|
659 | SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a); |
|
|
660 | |
|
|
661 | if (svany_in_head (SvTYPE (b))) |
|
|
662 | SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b); |
|
|
663 | } |
|
|
664 | #endif |
|
|
665 | } |
|
|
666 | } |
|
|
667 | |
|
|
668 | #define SWAP_SVS(coro) \ |
|
|
669 | if (expect_false ((coro)->swap_sv)) \ |
|
|
670 | swap_svs (aTHX_ (coro)) |
|
|
671 | |
|
|
672 | static void |
|
|
673 | on_enterleave_call (pTHX_ SV *cb); |
492 | |
674 | |
493 | static void |
675 | static void |
494 | load_perl (pTHX_ Coro__State c) |
676 | load_perl (pTHX_ Coro__State c) |
495 | { |
677 | { |
496 | perl_slots *slot = c->slot; |
678 | perl_slots *slot = c->slot; |
497 | c->slot = 0; |
679 | c->slot = 0; |
498 | |
680 | |
499 | PL_mainstack = c->mainstack; |
681 | PL_mainstack = c->mainstack; |
500 | |
682 | |
501 | GvSV (PL_defgv) = slot->defsv; |
683 | GvSV (PL_defgv) = slot->defsv; |
502 | GvAV (PL_defgv) = slot->defav; |
684 | GvAV (PL_defgv) = slot->defav; |
503 | GvSV (PL_errgv) = slot->errsv; |
685 | GvSV (PL_errgv) = slot->errsv; |
504 | GvSV (irsgv) = slot->irsgv; |
686 | GvSV (irsgv) = slot->irsgv; |
|
|
687 | GvHV (PL_hintgv) = slot->hinthv; |
505 | |
688 | |
506 | #define VAR(name,type) PL_ ## name = slot->name; |
689 | #define VAR(name,type) PL_ ## name = slot->name; |
507 | # include "state.h" |
690 | # include "state.h" |
508 | #undef VAR |
691 | #undef VAR |
509 | |
692 | |
… | |
… | |
523 | PUTBACK; |
706 | PUTBACK; |
524 | } |
707 | } |
525 | |
708 | |
526 | slf_frame = c->slf_frame; |
709 | slf_frame = c->slf_frame; |
527 | CORO_THROW = c->except; |
710 | CORO_THROW = c->except; |
|
|
711 | |
|
|
712 | if (expect_false (enable_times)) |
|
|
713 | { |
|
|
714 | if (expect_false (!times_valid)) |
|
|
715 | coro_times_update (); |
|
|
716 | |
|
|
717 | coro_times_sub (c); |
|
|
718 | } |
|
|
719 | |
|
|
720 | if (expect_false (c->on_enter)) |
|
|
721 | { |
|
|
722 | int i; |
|
|
723 | |
|
|
724 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
|
|
725 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
|
|
726 | } |
|
|
727 | |
|
|
728 | SWAP_SVS (c); |
528 | } |
729 | } |
529 | |
730 | |
530 | static void |
731 | static void |
531 | save_perl (pTHX_ Coro__State c) |
732 | save_perl (pTHX_ Coro__State c) |
532 | { |
733 | { |
|
|
734 | SWAP_SVS (c); |
|
|
735 | |
|
|
736 | if (expect_false (c->on_leave)) |
|
|
737 | { |
|
|
738 | int i; |
|
|
739 | |
|
|
740 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
|
|
741 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
|
|
742 | } |
|
|
743 | |
|
|
744 | times_valid = 0; |
|
|
745 | |
|
|
746 | if (expect_false (enable_times)) |
|
|
747 | { |
|
|
748 | coro_times_update (); times_valid = 1; |
|
|
749 | coro_times_add (c); |
|
|
750 | } |
|
|
751 | |
533 | c->except = CORO_THROW; |
752 | c->except = CORO_THROW; |
534 | c->slf_frame = slf_frame; |
753 | c->slf_frame = slf_frame; |
535 | |
754 | |
536 | { |
755 | { |
537 | dSP; |
756 | dSP; |
… | |
… | |
550 | { |
769 | { |
551 | while (expect_true (cxix >= 0)) |
770 | while (expect_true (cxix >= 0)) |
552 | { |
771 | { |
553 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
772 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
554 | |
773 | |
555 | if (expect_true (CxTYPE (cx) == CXt_SUB || CxTYPE (cx) == CXt_FORMAT)) |
774 | if (expect_true (CxTYPE (cx) == CXt_SUB) || expect_false (CxTYPE (cx) == CXt_FORMAT)) |
556 | { |
775 | { |
557 | CV *cv = cx->blk_sub.cv; |
776 | CV *cv = cx->blk_sub.cv; |
558 | |
777 | |
559 | if (expect_true (CvDEPTH (cv))) |
778 | if (expect_true (CvDEPTH (cv))) |
560 | { |
779 | { |
… | |
… | |
584 | /* we manually unroll here, as usually 2 slots is enough */ |
803 | /* we manually unroll here, as usually 2 slots is enough */ |
585 | if (SLOT_COUNT >= 1) CXINC; |
804 | if (SLOT_COUNT >= 1) CXINC; |
586 | if (SLOT_COUNT >= 2) CXINC; |
805 | if (SLOT_COUNT >= 2) CXINC; |
587 | if (SLOT_COUNT >= 3) CXINC; |
806 | if (SLOT_COUNT >= 3) CXINC; |
588 | { |
807 | { |
589 | int i; |
808 | unsigned int i; |
590 | for (i = 3; i < SLOT_COUNT; ++i) |
809 | for (i = 3; i < SLOT_COUNT; ++i) |
591 | CXINC; |
810 | CXINC; |
592 | } |
811 | } |
593 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
812 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
594 | |
813 | |
595 | c->mainstack = PL_mainstack; |
814 | c->mainstack = PL_mainstack; |
596 | |
815 | |
597 | { |
816 | { |
598 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
817 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
599 | |
818 | |
600 | slot->defav = GvAV (PL_defgv); |
819 | slot->defav = GvAV (PL_defgv); |
601 | slot->defsv = DEFSV; |
820 | slot->defsv = DEFSV; |
602 | slot->errsv = ERRSV; |
821 | slot->errsv = ERRSV; |
603 | slot->irsgv = GvSV (irsgv); |
822 | slot->irsgv = GvSV (irsgv); |
|
|
823 | slot->hinthv = GvHV (PL_hintgv); |
604 | |
824 | |
605 | #define VAR(name,type) slot->name = PL_ ## name; |
825 | #define VAR(name,type) slot->name = PL_ ## name; |
606 | # include "state.h" |
826 | # include "state.h" |
607 | #undef VAR |
827 | #undef VAR |
608 | } |
828 | } |
… | |
… | |
686 | #if !PERL_VERSION_ATLEAST (5,10,0) |
906 | #if !PERL_VERSION_ATLEAST (5,10,0) |
687 | Safefree (PL_retstack); |
907 | Safefree (PL_retstack); |
688 | #endif |
908 | #endif |
689 | } |
909 | } |
690 | |
910 | |
|
|
911 | #define CORO_RSS \ |
|
|
912 | rss += sizeof (SYM (curstackinfo)); \ |
|
|
913 | rss += (SYM (curstackinfo->si_cxmax) + 1) * sizeof (PERL_CONTEXT); \ |
|
|
914 | rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (SYM (curstack))) * sizeof (SV *); \ |
|
|
915 | rss += SYM (tmps_max) * sizeof (SV *); \ |
|
|
916 | rss += (SYM (markstack_max) - SYM (markstack_ptr)) * sizeof (I32); \ |
|
|
917 | rss += SYM (scopestack_max) * sizeof (I32); \ |
|
|
918 | rss += SYM (savestack_max) * sizeof (ANY); |
|
|
919 | |
691 | static size_t |
920 | static size_t |
692 | coro_rss (pTHX_ struct coro *coro) |
921 | coro_rss (pTHX_ struct coro *coro) |
693 | { |
922 | { |
694 | size_t rss = sizeof (*coro); |
923 | size_t rss = sizeof (*coro); |
695 | |
924 | |
696 | if (coro->mainstack) |
925 | if (coro->mainstack) |
697 | { |
926 | { |
698 | perl_slots tmp_slot; |
|
|
699 | perl_slots *slot; |
|
|
700 | |
|
|
701 | if (coro->flags & CF_RUNNING) |
927 | if (coro->flags & CF_RUNNING) |
702 | { |
928 | { |
703 | slot = &tmp_slot; |
929 | #define SYM(sym) PL_ ## sym |
704 | |
930 | CORO_RSS; |
705 | #define VAR(name,type) slot->name = PL_ ## name; |
|
|
706 | # include "state.h" |
|
|
707 | #undef VAR |
931 | #undef SYM |
708 | } |
932 | } |
709 | else |
933 | else |
710 | slot = coro->slot; |
|
|
711 | |
|
|
712 | if (slot) |
|
|
713 | { |
934 | { |
714 | rss += sizeof (slot->curstackinfo); |
935 | #define SYM(sym) coro->slot->sym |
715 | rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT); |
936 | CORO_RSS; |
716 | rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *); |
937 | #undef SYM |
717 | rss += slot->tmps_max * sizeof (SV *); |
|
|
718 | rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32); |
|
|
719 | rss += slot->scopestack_max * sizeof (I32); |
|
|
720 | rss += slot->savestack_max * sizeof (ANY); |
|
|
721 | |
|
|
722 | #if !PERL_VERSION_ATLEAST (5,10,0) |
|
|
723 | rss += slot->retstack_max * sizeof (OP *); |
|
|
724 | #endif |
|
|
725 | } |
938 | } |
726 | } |
939 | } |
727 | |
940 | |
728 | return rss; |
941 | return rss; |
729 | } |
942 | } |
… | |
… | |
742 | #endif |
955 | #endif |
743 | |
956 | |
744 | /* |
957 | /* |
745 | * This overrides the default magic get method of %SIG elements. |
958 | * This overrides the default magic get method of %SIG elements. |
746 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
959 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
747 | * and instead of tryign to save and restore the hash elements, we just provide |
960 | * and instead of trying to save and restore the hash elements, we just provide |
748 | * readback here. |
961 | * readback here. |
749 | * We only do this when the hook is != 0, as they are often set to 0 temporarily, |
|
|
750 | * not expecting this to actually change the hook. This is a potential problem |
|
|
751 | * when a schedule happens then, but we ignore this. |
|
|
752 | */ |
962 | */ |
753 | static int |
963 | static int |
754 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
964 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
755 | { |
965 | { |
756 | const char *s = MgPV_nolen_const (mg); |
966 | const char *s = MgPV_nolen_const (mg); |
… | |
… | |
809 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
1019 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
810 | |
1020 | |
811 | if (svp) |
1021 | if (svp) |
812 | { |
1022 | { |
813 | SV *old = *svp; |
1023 | SV *old = *svp; |
814 | *svp = newSVsv (sv); |
1024 | *svp = SvOK (sv) ? newSVsv (sv) : 0; |
815 | SvREFCNT_dec (old); |
1025 | SvREFCNT_dec (old); |
816 | return 0; |
1026 | return 0; |
817 | } |
1027 | } |
818 | } |
1028 | } |
819 | |
1029 | |
… | |
… | |
831 | slf_check_nop (pTHX_ struct CoroSLF *frame) |
1041 | slf_check_nop (pTHX_ struct CoroSLF *frame) |
832 | { |
1042 | { |
833 | return 0; |
1043 | return 0; |
834 | } |
1044 | } |
835 | |
1045 | |
836 | static UNOP coro_setup_op; |
1046 | static int |
|
|
1047 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
|
|
1048 | { |
|
|
1049 | return 1; |
|
|
1050 | } |
|
|
1051 | |
|
|
1052 | static UNOP init_perl_op; |
837 | |
1053 | |
838 | static void NOINLINE /* noinline to keep it out of the transfer fast path */ |
1054 | static void NOINLINE /* noinline to keep it out of the transfer fast path */ |
839 | coro_setup (pTHX_ struct coro *coro) |
1055 | init_perl (pTHX_ struct coro *coro) |
840 | { |
1056 | { |
841 | /* |
1057 | /* |
842 | * emulate part of the perl startup here. |
1058 | * emulate part of the perl startup here. |
843 | */ |
1059 | */ |
844 | coro_init_stacks (aTHX); |
1060 | coro_init_stacks (aTHX); |
845 | |
1061 | |
846 | PL_runops = RUNOPS_DEFAULT; |
1062 | PL_runops = RUNOPS_DEFAULT; |
847 | PL_curcop = &PL_compiling; |
1063 | PL_curcop = &PL_compiling; |
848 | PL_in_eval = EVAL_NULL; |
1064 | PL_in_eval = EVAL_NULL; |
849 | PL_comppad = 0; |
1065 | PL_comppad = 0; |
|
|
1066 | PL_comppad_name = 0; |
|
|
1067 | PL_comppad_name_fill = 0; |
|
|
1068 | PL_comppad_name_floor = 0; |
850 | PL_curpm = 0; |
1069 | PL_curpm = 0; |
851 | PL_curpad = 0; |
1070 | PL_curpad = 0; |
852 | PL_localizing = 0; |
1071 | PL_localizing = 0; |
853 | PL_dirty = 0; |
|
|
854 | PL_restartop = 0; |
1072 | PL_restartop = 0; |
855 | #if PERL_VERSION_ATLEAST (5,10,0) |
1073 | #if PERL_VERSION_ATLEAST (5,10,0) |
856 | PL_parser = 0; |
1074 | PL_parser = 0; |
857 | #endif |
1075 | #endif |
|
|
1076 | PL_hints = 0; |
858 | |
1077 | |
859 | /* recreate the die/warn hooks */ |
1078 | /* recreate the die/warn hooks */ |
860 | PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); |
1079 | PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); |
861 | PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook); |
1080 | PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook); |
862 | |
1081 | |
863 | GvSV (PL_defgv) = newSV (0); |
1082 | GvSV (PL_defgv) = newSV (0); |
864 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1083 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
865 | GvSV (PL_errgv) = newSV (0); |
1084 | GvSV (PL_errgv) = newSV (0); |
866 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
1085 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
|
|
1086 | GvHV (PL_hintgv) = 0; |
867 | PL_rs = newSVsv (GvSV (irsgv)); |
1087 | PL_rs = newSVsv (GvSV (irsgv)); |
868 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
1088 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
869 | |
1089 | |
870 | { |
1090 | { |
871 | dSP; |
1091 | dSP; |
… | |
… | |
888 | */ |
1108 | */ |
889 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
1109 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
890 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
1110 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
891 | |
1111 | |
892 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
1112 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
893 | coro_setup_op.op_next = PL_op; |
1113 | init_perl_op.op_next = PL_op; |
894 | coro_setup_op.op_type = OP_CUSTOM; |
1114 | init_perl_op.op_type = OP_ENTERSUB; |
895 | coro_setup_op.op_ppaddr = pp_slf; |
1115 | init_perl_op.op_ppaddr = pp_slf; |
896 | /* no flags etc. required, as an init function won't be called */ |
1116 | /* no flags etc. required, as an init function won't be called */ |
897 | |
1117 | |
898 | PL_op = (OP *)&coro_setup_op; |
1118 | PL_op = (OP *)&init_perl_op; |
899 | |
1119 | |
900 | /* copy throw, in case it was set before coro_setup */ |
1120 | /* copy throw, in case it was set before init_perl */ |
901 | CORO_THROW = coro->except; |
1121 | CORO_THROW = coro->except; |
902 | } |
|
|
903 | |
1122 | |
|
|
1123 | SWAP_SVS (coro); |
|
|
1124 | |
|
|
1125 | if (expect_false (enable_times)) |
|
|
1126 | { |
|
|
1127 | coro_times_update (); |
|
|
1128 | coro_times_sub (coro); |
|
|
1129 | } |
|
|
1130 | } |
|
|
1131 | |
904 | static void |
1132 | static void |
905 | coro_destruct (pTHX_ struct coro *coro) |
1133 | coro_unwind_stacks (pTHX) |
906 | { |
1134 | { |
907 | if (!IN_DESTRUCT) |
1135 | if (!IN_DESTRUCT) |
908 | { |
1136 | { |
909 | /* restore all saved variables and stuff */ |
1137 | /* restore all saved variables and stuff */ |
910 | LEAVE_SCOPE (0); |
1138 | LEAVE_SCOPE (0); |
… | |
… | |
918 | POPSTACK_TO (PL_mainstack); |
1146 | POPSTACK_TO (PL_mainstack); |
919 | |
1147 | |
920 | /* unwind main stack */ |
1148 | /* unwind main stack */ |
921 | dounwind (-1); |
1149 | dounwind (-1); |
922 | } |
1150 | } |
|
|
1151 | } |
923 | |
1152 | |
924 | SvREFCNT_dec (GvSV (PL_defgv)); |
1153 | static void |
925 | SvREFCNT_dec (GvAV (PL_defgv)); |
1154 | destroy_perl (pTHX_ struct coro *coro) |
926 | SvREFCNT_dec (GvSV (PL_errgv)); |
1155 | { |
927 | SvREFCNT_dec (PL_defoutgv); |
1156 | SV *svf [9]; |
928 | SvREFCNT_dec (PL_rs); |
|
|
929 | SvREFCNT_dec (GvSV (irsgv)); |
|
|
930 | |
1157 | |
931 | SvREFCNT_dec (PL_diehook); |
|
|
932 | SvREFCNT_dec (PL_warnhook); |
|
|
933 | |
1158 | { |
|
|
1159 | struct coro *current = SvSTATE_current; |
|
|
1160 | |
|
|
1161 | assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack)); |
|
|
1162 | |
|
|
1163 | save_perl (aTHX_ current); |
|
|
1164 | SvRV_set (coro_current, (SV *)coro->hv); /* this will cause acroak in transfer_check */ |
|
|
1165 | load_perl (aTHX_ coro); |
|
|
1166 | |
|
|
1167 | coro_unwind_stacks (aTHX); |
|
|
1168 | coro_destruct_stacks (aTHX); |
|
|
1169 | |
|
|
1170 | /* restore swapped sv's */ |
|
|
1171 | SWAP_SVS (coro); |
|
|
1172 | |
|
|
1173 | // now save some sv's to be free'd later |
|
|
1174 | svf [0] = GvSV (PL_defgv); |
|
|
1175 | svf [1] = (SV *)GvAV (PL_defgv); |
|
|
1176 | svf [2] = GvSV (PL_errgv); |
|
|
1177 | svf [3] = (SV *)PL_defoutgv; |
|
|
1178 | svf [4] = PL_rs; |
|
|
1179 | svf [5] = GvSV (irsgv); |
|
|
1180 | svf [6] = (SV *)GvHV (PL_hintgv); |
|
|
1181 | svf [7] = PL_diehook; |
|
|
1182 | svf [8] = PL_warnhook; |
|
|
1183 | assert (9 == sizeof (svf) / sizeof (*svf)); |
|
|
1184 | |
|
|
1185 | SvRV_set (coro_current, (SV *)current->hv); |
|
|
1186 | load_perl (aTHX_ current); |
|
|
1187 | } |
|
|
1188 | |
|
|
1189 | { |
|
|
1190 | unsigned int i; |
|
|
1191 | |
|
|
1192 | for (i = 0; i < sizeof (svf) / sizeof (*svf); ++i) |
|
|
1193 | SvREFCNT_dec (svf [i]); |
|
|
1194 | |
934 | SvREFCNT_dec (coro->saved_deffh); |
1195 | SvREFCNT_dec (coro->saved_deffh); |
935 | SvREFCNT_dec (coro->rouse_cb); |
1196 | SvREFCNT_dec (coro->rouse_cb); |
936 | |
1197 | SvREFCNT_dec (coro->invoke_cb); |
937 | coro_destruct_stacks (aTHX); |
1198 | SvREFCNT_dec (coro->invoke_av); |
|
|
1199 | } |
938 | } |
1200 | } |
939 | |
1201 | |
940 | INLINE void |
1202 | INLINE void |
941 | free_coro_mortal (pTHX) |
1203 | free_coro_mortal (pTHX) |
942 | { |
1204 | { |
… | |
… | |
950 | static int |
1212 | static int |
951 | runops_trace (pTHX) |
1213 | runops_trace (pTHX) |
952 | { |
1214 | { |
953 | COP *oldcop = 0; |
1215 | COP *oldcop = 0; |
954 | int oldcxix = -2; |
1216 | int oldcxix = -2; |
955 | struct coro *coro = SvSTATE_current; /* trace cctx is tied to specific coro */ |
|
|
956 | coro_cctx *cctx = coro->cctx; |
|
|
957 | |
1217 | |
958 | while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX))) |
1218 | while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX))) |
959 | { |
1219 | { |
960 | PERL_ASYNC_CHECK (); |
1220 | PERL_ASYNC_CHECK (); |
961 | |
1221 | |
962 | if (cctx->flags & CC_TRACE_ALL) |
1222 | if (cctx_current->flags & CC_TRACE_ALL) |
963 | { |
1223 | { |
964 | if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB) |
1224 | if (PL_op->op_type == OP_LEAVESUB && cctx_current->flags & CC_TRACE_SUB) |
965 | { |
1225 | { |
966 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1226 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
967 | SV **bot, **top; |
1227 | SV **bot, **top; |
968 | AV *av = newAV (); /* return values */ |
1228 | AV *av = newAV (); /* return values */ |
969 | SV **cb; |
1229 | SV **cb; |
… | |
… | |
1006 | |
1266 | |
1007 | if (PL_curcop != &PL_compiling) |
1267 | if (PL_curcop != &PL_compiling) |
1008 | { |
1268 | { |
1009 | SV **cb; |
1269 | SV **cb; |
1010 | |
1270 | |
1011 | if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB) |
1271 | if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB) |
1012 | { |
1272 | { |
1013 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1273 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1014 | |
1274 | |
1015 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
1275 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
1016 | { |
1276 | { |
1017 | runops_proc_t old_runops = PL_runops; |
|
|
1018 | dSP; |
1277 | dSP; |
1019 | GV *gv = CvGV (cx->blk_sub.cv); |
1278 | GV *gv = CvGV (cx->blk_sub.cv); |
1020 | SV *fullname = sv_2mortal (newSV (0)); |
1279 | SV *fullname = sv_2mortal (newSV (0)); |
1021 | |
1280 | |
1022 | if (isGV (gv)) |
1281 | if (isGV (gv)) |
… | |
… | |
1040 | } |
1299 | } |
1041 | |
1300 | |
1042 | oldcxix = cxstack_ix; |
1301 | oldcxix = cxstack_ix; |
1043 | } |
1302 | } |
1044 | |
1303 | |
1045 | if (cctx->flags & CC_TRACE_LINE) |
1304 | if (cctx_current->flags & CC_TRACE_LINE) |
1046 | { |
1305 | { |
1047 | dSP; |
1306 | dSP; |
1048 | |
1307 | |
1049 | PL_runops = RUNOPS_DEFAULT; |
1308 | PL_runops = RUNOPS_DEFAULT; |
1050 | ENTER; |
1309 | ENTER; |
… | |
… | |
1069 | |
1328 | |
1070 | TAINT_NOT; |
1329 | TAINT_NOT; |
1071 | return 0; |
1330 | return 0; |
1072 | } |
1331 | } |
1073 | |
1332 | |
1074 | static struct coro_cctx *cctx_ssl_cctx; |
|
|
1075 | static struct CoroSLF cctx_ssl_frame; |
1333 | static struct CoroSLF cctx_ssl_frame; |
1076 | |
1334 | |
1077 | static void |
1335 | static void |
1078 | slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta) |
1336 | slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta) |
1079 | { |
1337 | { |
1080 | ta->prev = (struct coro *)cctx_ssl_cctx; |
|
|
1081 | ta->next = 0; |
1338 | ta->prev = 0; |
1082 | } |
1339 | } |
1083 | |
1340 | |
1084 | static int |
1341 | static int |
1085 | slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame) |
1342 | slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame) |
1086 | { |
1343 | { |
… | |
… | |
1089 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1346 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1090 | } |
1347 | } |
1091 | |
1348 | |
1092 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1349 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1093 | static void NOINLINE |
1350 | static void NOINLINE |
1094 | cctx_prepare (pTHX_ coro_cctx *cctx) |
1351 | cctx_prepare (pTHX) |
1095 | { |
1352 | { |
1096 | PL_top_env = &PL_start_env; |
1353 | PL_top_env = &PL_start_env; |
1097 | |
1354 | |
1098 | if (cctx->flags & CC_TRACE) |
1355 | if (cctx_current->flags & CC_TRACE) |
1099 | PL_runops = runops_trace; |
1356 | PL_runops = runops_trace; |
1100 | |
1357 | |
1101 | /* we already must be executing an SLF op, there is no other valid way |
1358 | /* we already must be executing an SLF op, there is no other valid way |
1102 | * that can lead to creation of a new cctx */ |
1359 | * that can lead to creation of a new cctx */ |
1103 | assert (("FATAL: can't prepare slf-less cctx in Coro module (please report)", |
1360 | assert (("FATAL: can't prepare slf-less cctx in Coro module (please report)", |
1104 | slf_frame.prepare && PL_op->op_ppaddr == pp_slf)); |
1361 | slf_frame.prepare && PL_op->op_ppaddr == pp_slf)); |
1105 | |
1362 | |
1106 | /* we must emulate leaving pp_slf, which is done inside slf_check_set_stacklevel */ |
1363 | /* we must emulate leaving pp_slf, which is done inside slf_check_set_stacklevel */ |
1107 | cctx_ssl_cctx = cctx; |
|
|
1108 | cctx_ssl_frame = slf_frame; |
1364 | cctx_ssl_frame = slf_frame; |
1109 | |
1365 | |
1110 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1366 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1111 | slf_frame.check = slf_check_set_stacklevel; |
1367 | slf_frame.check = slf_check_set_stacklevel; |
1112 | } |
1368 | } |
… | |
… | |
1135 | /* normally we would need to skip the entersub here */ |
1391 | /* normally we would need to skip the entersub here */ |
1136 | /* not doing so will re-execute it, which is exactly what we want */ |
1392 | /* not doing so will re-execute it, which is exactly what we want */ |
1137 | /* PL_nop = PL_nop->op_next */ |
1393 | /* PL_nop = PL_nop->op_next */ |
1138 | |
1394 | |
1139 | /* inject a fake subroutine call to cctx_init */ |
1395 | /* inject a fake subroutine call to cctx_init */ |
1140 | cctx_prepare (aTHX_ (coro_cctx *)arg); |
1396 | cctx_prepare (aTHX); |
1141 | |
1397 | |
1142 | /* cctx_run is the alternative tail of transfer() */ |
1398 | /* cctx_run is the alternative tail of transfer() */ |
1143 | transfer_tail (aTHX); |
1399 | transfer_tail (aTHX); |
1144 | |
1400 | |
1145 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1401 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1146 | PL_restartop = PL_op; |
1402 | PL_restartop = PL_op; |
1147 | perl_run (PL_curinterp); |
1403 | perl_run (PL_curinterp); |
1148 | /* |
1404 | /* |
1149 | * Unfortunately, there is no way to get at the return values of the |
1405 | * Unfortunately, there is no way to get at the return values of the |
1150 | * coro body here, as perl_run destroys these |
1406 | * coro body here, as perl_run destroys these. Likewise, we cannot catch |
|
|
1407 | * runtime errors here, as this is just a random interpreter, not a thread. |
1151 | */ |
1408 | */ |
1152 | |
1409 | |
1153 | /* |
1410 | /* |
1154 | * If perl-run returns we assume exit() was being called or the coro |
1411 | * If perl-run returns we assume exit() was being called or the coro |
1155 | * fell off the end, which seems to be the only valid (non-bug) |
1412 | * fell off the end, which seems to be the only valid (non-bug) |
1156 | * reason for perl_run to return. We try to exit by jumping to the |
1413 | * reason for perl_run to return. We try to exit by jumping to the |
1157 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
1414 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
1158 | * coroutine as Coro has no such concept |
1415 | * coroutine as Coro has no such concept. |
|
|
1416 | * This actually isn't valid with the pthread backend, but OSes requiring |
|
|
1417 | * that backend are too broken to do it in a standards-compliant way. |
1159 | */ |
1418 | */ |
1160 | PL_top_env = main_top_env; |
1419 | PL_top_env = main_top_env; |
1161 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
1420 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
1162 | } |
1421 | } |
1163 | } |
1422 | } |
… | |
… | |
1240 | cctx_destroy (coro_cctx *cctx) |
1499 | cctx_destroy (coro_cctx *cctx) |
1241 | { |
1500 | { |
1242 | if (!cctx) |
1501 | if (!cctx) |
1243 | return; |
1502 | return; |
1244 | |
1503 | |
|
|
1504 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current)); |
|
|
1505 | |
1245 | --cctx_count; |
1506 | --cctx_count; |
1246 | coro_destroy (&cctx->cctx); |
1507 | coro_destroy (&cctx->cctx); |
1247 | |
1508 | |
1248 | /* coro_transfer creates new, empty cctx's */ |
1509 | /* coro_transfer creates new, empty cctx's */ |
1249 | if (cctx->sptr) |
1510 | if (cctx->sptr) |
… | |
… | |
1312 | /* TODO: throwing up here is considered harmful */ |
1573 | /* TODO: throwing up here is considered harmful */ |
1313 | |
1574 | |
1314 | if (expect_true (prev != next)) |
1575 | if (expect_true (prev != next)) |
1315 | { |
1576 | { |
1316 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1577 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1317 | croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states,"); |
1578 | croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); |
1318 | |
1579 | |
1319 | if (expect_false (next->flags & CF_RUNNING)) |
|
|
1320 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states,"); |
|
|
1321 | |
|
|
1322 | if (expect_false (next->flags & CF_DESTROYED)) |
1580 | if (expect_false (next->flags & (CF_RUNNING | CF_DESTROYED | CF_SUSPENDED))) |
1323 | croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states,"); |
1581 | croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); |
1324 | |
1582 | |
1325 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1583 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1326 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1584 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1327 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1585 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1328 | #endif |
1586 | #endif |
… | |
… | |
1334 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1592 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1335 | { |
1593 | { |
1336 | dSTACKLEVEL; |
1594 | dSTACKLEVEL; |
1337 | |
1595 | |
1338 | /* sometimes transfer is only called to set idle_sp */ |
1596 | /* sometimes transfer is only called to set idle_sp */ |
1339 | if (expect_false (!next)) |
1597 | if (expect_false (!prev)) |
1340 | { |
1598 | { |
1341 | ((coro_cctx *)prev)->idle_sp = STACKLEVEL; |
1599 | cctx_current->idle_sp = STACKLEVEL; |
1342 | assert (((coro_cctx *)prev)->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1600 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1343 | } |
1601 | } |
1344 | else if (expect_true (prev != next)) |
1602 | else if (expect_true (prev != next)) |
1345 | { |
1603 | { |
1346 | coro_cctx *prev__cctx; |
1604 | coro_cctx *cctx_prev; |
1347 | |
1605 | |
1348 | if (expect_false (prev->flags & CF_NEW)) |
1606 | if (expect_false (prev->flags & CF_NEW)) |
1349 | { |
1607 | { |
1350 | /* create a new empty/source context */ |
1608 | /* create a new empty/source context */ |
1351 | prev->cctx = cctx_new_empty (); |
|
|
1352 | prev->flags &= ~CF_NEW; |
1609 | prev->flags &= ~CF_NEW; |
1353 | prev->flags |= CF_RUNNING; |
1610 | prev->flags |= CF_RUNNING; |
1354 | } |
1611 | } |
1355 | |
1612 | |
1356 | prev->flags &= ~CF_RUNNING; |
1613 | prev->flags &= ~CF_RUNNING; |
… | |
… | |
1362 | if (expect_false (next->flags & CF_NEW)) |
1619 | if (expect_false (next->flags & CF_NEW)) |
1363 | { |
1620 | { |
1364 | /* need to start coroutine */ |
1621 | /* need to start coroutine */ |
1365 | next->flags &= ~CF_NEW; |
1622 | next->flags &= ~CF_NEW; |
1366 | /* setup coroutine call */ |
1623 | /* setup coroutine call */ |
1367 | coro_setup (aTHX_ next); |
1624 | init_perl (aTHX_ next); |
1368 | } |
1625 | } |
1369 | else |
1626 | else |
1370 | load_perl (aTHX_ next); |
1627 | load_perl (aTHX_ next); |
1371 | |
1628 | |
1372 | prev__cctx = prev->cctx; |
|
|
1373 | |
|
|
1374 | /* possibly untie and reuse the cctx */ |
1629 | /* possibly untie and reuse the cctx */ |
1375 | if (expect_true ( |
1630 | if (expect_true ( |
1376 | prev__cctx->idle_sp == STACKLEVEL |
1631 | cctx_current->idle_sp == STACKLEVEL |
1377 | && !(prev__cctx->flags & CC_TRACE) |
1632 | && !(cctx_current->flags & CC_TRACE) |
1378 | && !force_cctx |
1633 | && !force_cctx |
1379 | )) |
1634 | )) |
1380 | { |
1635 | { |
1381 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1636 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1382 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == prev__cctx->idle_te)); |
1637 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1383 | |
1638 | |
1384 | prev->cctx = 0; |
|
|
1385 | |
|
|
1386 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */ |
1639 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1387 | /* without this the next cctx_get might destroy the prev__cctx while still in use */ |
1640 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1388 | if (expect_false (CCTX_EXPIRED (prev__cctx))) |
1641 | if (expect_false (CCTX_EXPIRED (cctx_current))) |
1389 | if (!next->cctx) |
1642 | if (expect_true (!next->cctx)) |
1390 | next->cctx = cctx_get (aTHX); |
1643 | next->cctx = cctx_get (aTHX); |
1391 | |
1644 | |
1392 | cctx_put (prev__cctx); |
1645 | cctx_put (cctx_current); |
1393 | } |
1646 | } |
|
|
1647 | else |
|
|
1648 | prev->cctx = cctx_current; |
1394 | |
1649 | |
1395 | ++next->usecount; |
1650 | ++next->usecount; |
1396 | |
1651 | |
1397 | if (expect_true (!next->cctx)) |
1652 | cctx_prev = cctx_current; |
1398 | next->cctx = cctx_get (aTHX); |
1653 | cctx_current = expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1399 | |
1654 | |
1400 | if (expect_false (prev__cctx != next->cctx)) |
1655 | next->cctx = 0; |
|
|
1656 | |
|
|
1657 | if (expect_false (cctx_prev != cctx_current)) |
1401 | { |
1658 | { |
1402 | prev__cctx->top_env = PL_top_env; |
1659 | cctx_prev->top_env = PL_top_env; |
1403 | PL_top_env = next->cctx->top_env; |
1660 | PL_top_env = cctx_current->top_env; |
1404 | coro_transfer (&prev__cctx->cctx, &next->cctx->cctx); |
1661 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1405 | } |
1662 | } |
1406 | |
1663 | |
1407 | transfer_tail (aTHX); |
1664 | transfer_tail (aTHX); |
1408 | } |
1665 | } |
1409 | } |
1666 | } |
… | |
… | |
1411 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1668 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1412 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1669 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1413 | |
1670 | |
1414 | /** high level stuff ********************************************************/ |
1671 | /** high level stuff ********************************************************/ |
1415 | |
1672 | |
1416 | static int |
1673 | static void |
1417 | coro_state_destroy (pTHX_ struct coro *coro) |
1674 | coro_state_destroy (pTHX_ struct coro *coro) |
1418 | { |
1675 | { |
1419 | if (coro->flags & CF_DESTROYED) |
1676 | if (coro->flags & CF_DESTROYED) |
1420 | return 0; |
1677 | return; |
1421 | |
1678 | |
|
|
1679 | /* this callback is reserved for slf functions needing to do cleanup */ |
1422 | if (coro->on_destroy) |
1680 | if (coro->on_destroy && !PL_dirty) |
1423 | coro->on_destroy (aTHX_ coro); |
1681 | coro->on_destroy (aTHX_ coro); |
|
|
1682 | |
|
|
1683 | /* |
|
|
1684 | * The on_destroy above most likely is from an SLF call. |
|
|
1685 | * Since by definition the SLF call will not finish when we destroy |
|
|
1686 | * the coro, we will have to force-finish it here, otherwise |
|
|
1687 | * cleanup functions cannot call SLF functions. |
|
|
1688 | */ |
|
|
1689 | coro->slf_frame.prepare = 0; |
1424 | |
1690 | |
1425 | coro->flags |= CF_DESTROYED; |
1691 | coro->flags |= CF_DESTROYED; |
1426 | |
1692 | |
1427 | if (coro->flags & CF_READY) |
1693 | if (coro->flags & CF_READY) |
1428 | { |
1694 | { |
… | |
… | |
1431 | --coro_nready; |
1697 | --coro_nready; |
1432 | } |
1698 | } |
1433 | else |
1699 | else |
1434 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
1700 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
1435 | |
1701 | |
1436 | if (coro->mainstack && coro->mainstack != main_mainstack) |
1702 | if (coro->mainstack |
1437 | { |
1703 | && coro->mainstack != main_mainstack |
1438 | struct coro temp; |
1704 | && coro->slot |
1439 | |
1705 | && !PL_dirty) |
1440 | assert (("FATAL: tried to destroy currently running coroutine (please report)", !(coro->flags & CF_RUNNING))); |
|
|
1441 | |
|
|
1442 | save_perl (aTHX_ &temp); |
|
|
1443 | load_perl (aTHX_ coro); |
1706 | destroy_perl (aTHX_ coro); |
1444 | |
1707 | |
1445 | coro_destruct (aTHX_ coro); |
1708 | if (coro->next) coro->next->prev = coro->prev; |
1446 | |
1709 | if (coro->prev) coro->prev->next = coro->next; |
1447 | load_perl (aTHX_ &temp); |
1710 | if (coro == coro_first) coro_first = coro->next; |
1448 | |
|
|
1449 | coro->slot = 0; |
|
|
1450 | } |
|
|
1451 | |
1711 | |
1452 | cctx_destroy (coro->cctx); |
1712 | cctx_destroy (coro->cctx); |
1453 | SvREFCNT_dec (coro->startcv); |
1713 | SvREFCNT_dec (coro->startcv); |
1454 | SvREFCNT_dec (coro->args); |
1714 | SvREFCNT_dec (coro->args); |
|
|
1715 | SvREFCNT_dec (coro->swap_sv); |
1455 | SvREFCNT_dec (CORO_THROW); |
1716 | SvREFCNT_dec (CORO_THROW); |
1456 | |
|
|
1457 | if (coro->next) coro->next->prev = coro->prev; |
|
|
1458 | if (coro->prev) coro->prev->next = coro->next; |
|
|
1459 | if (coro == coro_first) coro_first = coro->next; |
|
|
1460 | |
|
|
1461 | return 1; |
|
|
1462 | } |
1717 | } |
1463 | |
1718 | |
1464 | static int |
1719 | static int |
1465 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1720 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1466 | { |
1721 | { |
… | |
… | |
1514 | |
1769 | |
1515 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1770 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1516 | TRANSFER (ta, 1); |
1771 | TRANSFER (ta, 1); |
1517 | } |
1772 | } |
1518 | |
1773 | |
1519 | /*****************************************************************************/ |
|
|
1520 | /* gensub: simple closure generation utility */ |
|
|
1521 | |
|
|
1522 | #define GENSUB_ARG CvXSUBANY (cv).any_ptr |
|
|
1523 | |
|
|
1524 | /* create a closure from XS, returns a code reference */ |
|
|
1525 | /* the arg can be accessed via GENSUB_ARG from the callback */ |
|
|
1526 | /* the callback must use dXSARGS/XSRETURN */ |
|
|
1527 | static SV * |
|
|
1528 | gensub (pTHX_ void (*xsub)(pTHX_ CV *), void *arg) |
|
|
1529 | { |
|
|
1530 | CV *cv = (CV *)newSV (0); |
|
|
1531 | |
|
|
1532 | sv_upgrade ((SV *)cv, SVt_PVCV); |
|
|
1533 | |
|
|
1534 | CvANON_on (cv); |
|
|
1535 | CvISXSUB_on (cv); |
|
|
1536 | CvXSUB (cv) = xsub; |
|
|
1537 | GENSUB_ARG = arg; |
|
|
1538 | |
|
|
1539 | return newRV_noinc ((SV *)cv); |
|
|
1540 | } |
|
|
1541 | |
|
|
1542 | /** Coro ********************************************************************/ |
1774 | /** Coro ********************************************************************/ |
1543 | |
1775 | |
1544 | INLINE void |
1776 | INLINE void |
1545 | coro_enq (pTHX_ struct coro *coro) |
1777 | coro_enq (pTHX_ struct coro *coro) |
1546 | { |
1778 | { |
1547 | av_push (coro_ready [coro->prio - PRIO_MIN], SvREFCNT_inc_NN (coro->hv)); |
1779 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1548 | } |
|
|
1549 | |
1780 | |
1550 | INLINE SV * |
1781 | SvREFCNT_inc_NN (coro->hv); |
|
|
1782 | |
|
|
1783 | coro->next_ready = 0; |
|
|
1784 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
|
|
1785 | ready [1] = coro; |
|
|
1786 | } |
|
|
1787 | |
|
|
1788 | INLINE struct coro * |
1551 | coro_deq (pTHX) |
1789 | coro_deq (pTHX) |
1552 | { |
1790 | { |
1553 | int prio; |
1791 | int prio; |
1554 | |
1792 | |
1555 | for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; ) |
1793 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
1556 | if (AvFILLp (coro_ready [prio]) >= 0) |
1794 | { |
1557 | return av_shift (coro_ready [prio]); |
1795 | struct coro **ready = coro_ready [prio]; |
|
|
1796 | |
|
|
1797 | if (ready [0]) |
|
|
1798 | { |
|
|
1799 | struct coro *coro = ready [0]; |
|
|
1800 | ready [0] = coro->next_ready; |
|
|
1801 | return coro; |
|
|
1802 | } |
|
|
1803 | } |
1558 | |
1804 | |
1559 | return 0; |
1805 | return 0; |
|
|
1806 | } |
|
|
1807 | |
|
|
1808 | static void |
|
|
1809 | invoke_sv_ready_hook_helper (void) |
|
|
1810 | { |
|
|
1811 | dTHX; |
|
|
1812 | dSP; |
|
|
1813 | |
|
|
1814 | ENTER; |
|
|
1815 | SAVETMPS; |
|
|
1816 | |
|
|
1817 | PUSHMARK (SP); |
|
|
1818 | PUTBACK; |
|
|
1819 | call_sv (coro_readyhook, G_VOID | G_DISCARD); |
|
|
1820 | |
|
|
1821 | FREETMPS; |
|
|
1822 | LEAVE; |
1560 | } |
1823 | } |
1561 | |
1824 | |
1562 | static int |
1825 | static int |
1563 | api_ready (pTHX_ SV *coro_sv) |
1826 | api_ready (pTHX_ SV *coro_sv) |
1564 | { |
1827 | { |
1565 | struct coro *coro; |
|
|
1566 | SV *sv_hook; |
|
|
1567 | void (*xs_hook)(void); |
|
|
1568 | |
|
|
1569 | if (SvROK (coro_sv)) |
|
|
1570 | coro_sv = SvRV (coro_sv); |
|
|
1571 | |
|
|
1572 | coro = SvSTATE (coro_sv); |
1828 | struct coro *coro = SvSTATE (coro_sv); |
1573 | |
1829 | |
1574 | if (coro->flags & CF_READY) |
1830 | if (coro->flags & CF_READY) |
1575 | return 0; |
1831 | return 0; |
1576 | |
1832 | |
1577 | coro->flags |= CF_READY; |
1833 | coro->flags |= CF_READY; |
1578 | |
1834 | |
1579 | sv_hook = coro_nready ? 0 : coro_readyhook; |
|
|
1580 | xs_hook = coro_nready ? 0 : coroapi.readyhook; |
|
|
1581 | |
|
|
1582 | coro_enq (aTHX_ coro); |
1835 | coro_enq (aTHX_ coro); |
1583 | ++coro_nready; |
|
|
1584 | |
1836 | |
1585 | if (sv_hook) |
1837 | if (!coro_nready++) |
1586 | { |
1838 | if (coroapi.readyhook) |
1587 | dSP; |
1839 | coroapi.readyhook (); |
1588 | |
|
|
1589 | ENTER; |
|
|
1590 | SAVETMPS; |
|
|
1591 | |
|
|
1592 | PUSHMARK (SP); |
|
|
1593 | PUTBACK; |
|
|
1594 | call_sv (sv_hook, G_VOID | G_DISCARD); |
|
|
1595 | |
|
|
1596 | FREETMPS; |
|
|
1597 | LEAVE; |
|
|
1598 | } |
|
|
1599 | |
|
|
1600 | if (xs_hook) |
|
|
1601 | xs_hook (); |
|
|
1602 | |
1840 | |
1603 | return 1; |
1841 | return 1; |
1604 | } |
1842 | } |
1605 | |
1843 | |
1606 | static int |
1844 | static int |
1607 | api_is_ready (pTHX_ SV *coro_sv) |
1845 | api_is_ready (pTHX_ SV *coro_sv) |
1608 | { |
1846 | { |
1609 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1847 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1610 | } |
1848 | } |
1611 | |
1849 | |
|
|
1850 | /* expects to own a reference to next->hv */ |
1612 | INLINE void |
1851 | INLINE void |
1613 | prepare_schedule (pTHX_ struct coro_transfer_args *ta) |
1852 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1614 | { |
1853 | { |
1615 | SV *prev_sv, *next_sv; |
|
|
1616 | |
|
|
1617 | for (;;) |
|
|
1618 | { |
|
|
1619 | next_sv = coro_deq (aTHX); |
|
|
1620 | |
|
|
1621 | /* nothing to schedule: call the idle handler */ |
|
|
1622 | if (expect_false (!next_sv)) |
|
|
1623 | { |
|
|
1624 | dSP; |
|
|
1625 | |
|
|
1626 | ENTER; |
|
|
1627 | SAVETMPS; |
|
|
1628 | |
|
|
1629 | PUSHMARK (SP); |
|
|
1630 | PUTBACK; |
|
|
1631 | call_sv (get_sv ("Coro::idle", FALSE), G_VOID | G_DISCARD); |
|
|
1632 | |
|
|
1633 | FREETMPS; |
|
|
1634 | LEAVE; |
|
|
1635 | continue; |
|
|
1636 | } |
|
|
1637 | |
|
|
1638 | ta->next = SvSTATE_hv (next_sv); |
|
|
1639 | |
|
|
1640 | /* cannot transfer to destroyed coros, skip and look for next */ |
|
|
1641 | if (expect_false (ta->next->flags & CF_DESTROYED)) |
|
|
1642 | { |
|
|
1643 | SvREFCNT_dec (next_sv); |
|
|
1644 | /* coro_nready has already been taken care of by destroy */ |
|
|
1645 | continue; |
|
|
1646 | } |
|
|
1647 | |
|
|
1648 | --coro_nready; |
|
|
1649 | break; |
|
|
1650 | } |
|
|
1651 | |
|
|
1652 | /* free this only after the transfer */ |
|
|
1653 | prev_sv = SvRV (coro_current); |
1854 | SV *prev_sv = SvRV (coro_current); |
|
|
1855 | |
1654 | ta->prev = SvSTATE_hv (prev_sv); |
1856 | ta->prev = SvSTATE_hv (prev_sv); |
|
|
1857 | ta->next = next; |
|
|
1858 | |
1655 | TRANSFER_CHECK (*ta); |
1859 | TRANSFER_CHECK (*ta); |
1656 | assert (("FATAL: next coroutine isn't marked as ready in Coro (please report)", ta->next->flags & CF_READY)); |
1860 | |
1657 | ta->next->flags &= ~CF_READY; |
|
|
1658 | SvRV_set (coro_current, next_sv); |
1861 | SvRV_set (coro_current, (SV *)next->hv); |
1659 | |
1862 | |
1660 | free_coro_mortal (aTHX); |
1863 | free_coro_mortal (aTHX); |
1661 | coro_mortal = prev_sv; |
1864 | coro_mortal = prev_sv; |
1662 | } |
1865 | } |
1663 | |
1866 | |
|
|
1867 | static void |
|
|
1868 | prepare_schedule (pTHX_ struct coro_transfer_args *ta) |
|
|
1869 | { |
|
|
1870 | for (;;) |
|
|
1871 | { |
|
|
1872 | struct coro *next = coro_deq (aTHX); |
|
|
1873 | |
|
|
1874 | if (expect_true (next)) |
|
|
1875 | { |
|
|
1876 | /* cannot transfer to destroyed coros, skip and look for next */ |
|
|
1877 | if (expect_false (next->flags & (CF_DESTROYED | CF_SUSPENDED))) |
|
|
1878 | SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ |
|
|
1879 | else |
|
|
1880 | { |
|
|
1881 | next->flags &= ~CF_READY; |
|
|
1882 | --coro_nready; |
|
|
1883 | |
|
|
1884 | prepare_schedule_to (aTHX_ ta, next); |
|
|
1885 | break; |
|
|
1886 | } |
|
|
1887 | } |
|
|
1888 | else |
|
|
1889 | { |
|
|
1890 | /* nothing to schedule: call the idle handler */ |
|
|
1891 | if (SvROK (sv_idle) |
|
|
1892 | && SvOBJECT (SvRV (sv_idle))) |
|
|
1893 | { |
|
|
1894 | if (SvRV (sv_idle) == SvRV (coro_current)) |
|
|
1895 | croak ("FATAL: $Coro::IDLE blocked itself - did you try to block inside an event loop callback? Caught"); |
|
|
1896 | |
|
|
1897 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
|
|
1898 | api_ready (aTHX_ SvRV (sv_idle)); |
|
|
1899 | --coro_nready; |
|
|
1900 | } |
|
|
1901 | else |
|
|
1902 | { |
|
|
1903 | /* TODO: deprecated, remove, cannot work reliably *//*D*/ |
|
|
1904 | dSP; |
|
|
1905 | |
|
|
1906 | ENTER; |
|
|
1907 | SAVETMPS; |
|
|
1908 | |
|
|
1909 | PUSHMARK (SP); |
|
|
1910 | PUTBACK; |
|
|
1911 | call_sv (sv_idle, G_VOID | G_DISCARD); |
|
|
1912 | |
|
|
1913 | FREETMPS; |
|
|
1914 | LEAVE; |
|
|
1915 | } |
|
|
1916 | } |
|
|
1917 | } |
|
|
1918 | } |
|
|
1919 | |
1664 | INLINE void |
1920 | INLINE void |
1665 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1921 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1666 | { |
1922 | { |
1667 | api_ready (aTHX_ coro_current); |
1923 | api_ready (aTHX_ coro_current); |
1668 | prepare_schedule (aTHX_ ta); |
1924 | prepare_schedule (aTHX_ ta); |
… | |
… | |
1687 | { |
1943 | { |
1688 | struct coro_transfer_args ta; |
1944 | struct coro_transfer_args ta; |
1689 | |
1945 | |
1690 | prepare_schedule (aTHX_ &ta); |
1946 | prepare_schedule (aTHX_ &ta); |
1691 | TRANSFER (ta, 1); |
1947 | TRANSFER (ta, 1); |
|
|
1948 | } |
|
|
1949 | |
|
|
1950 | static void |
|
|
1951 | api_schedule_to (pTHX_ SV *coro_sv) |
|
|
1952 | { |
|
|
1953 | struct coro_transfer_args ta; |
|
|
1954 | struct coro *next = SvSTATE (coro_sv); |
|
|
1955 | |
|
|
1956 | SvREFCNT_inc_NN (coro_sv); |
|
|
1957 | prepare_schedule_to (aTHX_ &ta, next); |
1692 | } |
1958 | } |
1693 | |
1959 | |
1694 | static int |
1960 | static int |
1695 | api_cede (pTHX) |
1961 | api_cede (pTHX) |
1696 | { |
1962 | { |
… | |
… | |
1725 | static void |
1991 | static void |
1726 | api_trace (pTHX_ SV *coro_sv, int flags) |
1992 | api_trace (pTHX_ SV *coro_sv, int flags) |
1727 | { |
1993 | { |
1728 | struct coro *coro = SvSTATE (coro_sv); |
1994 | struct coro *coro = SvSTATE (coro_sv); |
1729 | |
1995 | |
|
|
1996 | if (coro->flags & CF_RUNNING) |
|
|
1997 | croak ("cannot enable tracing on a running coroutine, caught"); |
|
|
1998 | |
1730 | if (flags & CC_TRACE) |
1999 | if (flags & CC_TRACE) |
1731 | { |
2000 | { |
1732 | if (!coro->cctx) |
2001 | if (!coro->cctx) |
1733 | coro->cctx = cctx_new_run (); |
2002 | coro->cctx = cctx_new_run (); |
1734 | else if (!(coro->cctx->flags & CC_TRACE)) |
2003 | else if (!(coro->cctx->flags & CC_TRACE)) |
1735 | croak ("cannot enable tracing on coroutine with custom stack,"); |
2004 | croak ("cannot enable tracing on coroutine with custom stack, caught"); |
1736 | |
2005 | |
1737 | coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL)); |
2006 | coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL)); |
1738 | } |
2007 | } |
1739 | else if (coro->cctx && coro->cctx->flags & CC_TRACE) |
2008 | else if (coro->cctx && coro->cctx->flags & CC_TRACE) |
1740 | { |
2009 | { |
… | |
… | |
1745 | else |
2014 | else |
1746 | coro->slot->runops = RUNOPS_DEFAULT; |
2015 | coro->slot->runops = RUNOPS_DEFAULT; |
1747 | } |
2016 | } |
1748 | } |
2017 | } |
1749 | |
2018 | |
|
|
2019 | static void |
|
|
2020 | coro_call_on_destroy (pTHX_ struct coro *coro) |
|
|
2021 | { |
|
|
2022 | SV **on_destroyp = hv_fetch (coro->hv, "_on_destroy", sizeof ("_on_destroy") - 1, 0); |
|
|
2023 | |
|
|
2024 | if (on_destroyp) |
|
|
2025 | { |
|
|
2026 | SV **statusp = hv_fetch (coro->hv, "_status", sizeof ("_status") - 1, 0); |
|
|
2027 | AV *on_destroy = sv_2mortal (SvREFCNT_inc ((AV *)SvRV (*on_destroyp))); |
|
|
2028 | AV *status = statusp ? sv_2mortal (SvREFCNT_inc ((AV *)SvRV (*statusp))) : 0; |
|
|
2029 | |
|
|
2030 | while (AvFILLp (on_destroy) >= 0) |
|
|
2031 | { |
|
|
2032 | dSP; /* don't disturb outer sp */ |
|
|
2033 | SV *cb = av_pop (on_destroy); |
|
|
2034 | |
|
|
2035 | PUSHMARK (SP); |
|
|
2036 | |
|
|
2037 | if (statusp) |
|
|
2038 | { |
|
|
2039 | int i; |
|
|
2040 | EXTEND (SP, AvFILLp (status) + 1); |
|
|
2041 | |
|
|
2042 | for (i = 0; i <= AvFILLp (status); ++i) |
|
|
2043 | PUSHs (AvARRAY (status)[i]); |
|
|
2044 | } |
|
|
2045 | |
|
|
2046 | PUTBACK; |
|
|
2047 | call_sv (sv_2mortal (cb), G_VOID | G_DISCARD); |
|
|
2048 | } |
|
|
2049 | } |
|
|
2050 | } |
|
|
2051 | |
|
|
2052 | static void |
|
|
2053 | coro_set_status (HV *coro_hv, SV **arg, int items) |
|
|
2054 | { |
|
|
2055 | AV *av = newAV (); |
|
|
2056 | |
|
|
2057 | /* items are actually not so common, so optimise for this case */ |
|
|
2058 | if (items) |
|
|
2059 | { |
|
|
2060 | int i; |
|
|
2061 | |
|
|
2062 | av_extend (av, items - 1); |
|
|
2063 | |
|
|
2064 | for (i = 0; i < items; ++i) |
|
|
2065 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
|
|
2066 | } |
|
|
2067 | |
|
|
2068 | hv_store (coro_hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0); |
|
|
2069 | } |
|
|
2070 | |
|
|
2071 | static void |
|
|
2072 | slf_init_terminate_cancel_common (pTHX_ struct CoroSLF *frame, HV *coro_hv) |
|
|
2073 | { |
|
|
2074 | av_push (av_destroy, (SV *)newRV_inc ((SV *)coro_hv)); /* RVinc for perl */ |
|
|
2075 | api_ready (aTHX_ sv_manager); |
|
|
2076 | |
|
|
2077 | frame->prepare = prepare_schedule; |
|
|
2078 | frame->check = slf_check_repeat; |
|
|
2079 | |
|
|
2080 | /* as a minor optimisation, we could unwind all stacks here */ |
|
|
2081 | /* but that puts extra pressure on pp_slf, and is not worth much */ |
|
|
2082 | /*coro_unwind_stacks (aTHX);*/ |
|
|
2083 | } |
|
|
2084 | |
|
|
2085 | static void |
|
|
2086 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2087 | { |
|
|
2088 | HV *coro_hv = (HV *)SvRV (coro_current); |
|
|
2089 | |
|
|
2090 | coro_set_status (coro_hv, arg, items); |
|
|
2091 | slf_init_terminate_cancel_common (frame, coro_hv); |
|
|
2092 | } |
|
|
2093 | |
|
|
2094 | static void |
|
|
2095 | slf_init_cancel (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2096 | { |
|
|
2097 | HV *coro_hv; |
|
|
2098 | struct coro *coro; |
|
|
2099 | |
|
|
2100 | if (items <= 0) |
|
|
2101 | croak ("Coro::cancel called without coro object,"); |
|
|
2102 | |
|
|
2103 | coro = SvSTATE (arg [0]); |
|
|
2104 | coro_hv = coro->hv; |
|
|
2105 | |
|
|
2106 | coro_set_status (coro_hv, arg + 1, items - 1); |
|
|
2107 | |
|
|
2108 | if (expect_false (coro->flags & CF_NOCANCEL)) |
|
|
2109 | { |
|
|
2110 | /* coro currently busy cancelling something, so just notify it */ |
|
|
2111 | coro->slf_frame.data = (void *)coro; |
|
|
2112 | |
|
|
2113 | frame->prepare = prepare_nop; |
|
|
2114 | frame->check = slf_check_nop; |
|
|
2115 | } |
|
|
2116 | else if (coro_hv == (HV *)SvRV (coro_current)) |
|
|
2117 | { |
|
|
2118 | /* cancelling the current coro is allowed, and equals terminate */ |
|
|
2119 | slf_init_terminate_cancel_common (frame, coro_hv); |
|
|
2120 | } |
|
|
2121 | else |
|
|
2122 | { |
|
|
2123 | struct coro *self = SvSTATE_current; |
|
|
2124 | |
|
|
2125 | /* otherwise we cancel directly, purely for speed reasons |
|
|
2126 | * unfortunately, this requires some magic trickery, as |
|
|
2127 | * somebody else could cancel us, so we have to fight the cancellation. |
|
|
2128 | * this is ugly, and hopefully fully worth the extra speed. |
|
|
2129 | * besides, I can't get the slow-but-safe version working... |
|
|
2130 | */ |
|
|
2131 | slf_frame.data = 0; |
|
|
2132 | self->flags |= CF_NOCANCEL; |
|
|
2133 | |
|
|
2134 | coro_state_destroy (aTHX_ coro); |
|
|
2135 | coro_call_on_destroy (aTHX_ coro); |
|
|
2136 | |
|
|
2137 | self->flags &= ~CF_NOCANCEL; |
|
|
2138 | |
|
|
2139 | if (slf_frame.data) |
|
|
2140 | { |
|
|
2141 | /* while we were busy we have been cancelled, so terminate */ |
|
|
2142 | slf_init_terminate_cancel_common (frame, self->hv); |
|
|
2143 | } |
|
|
2144 | else |
|
|
2145 | { |
|
|
2146 | frame->prepare = prepare_nop; |
|
|
2147 | frame->check = slf_check_nop; |
|
|
2148 | } |
|
|
2149 | } |
|
|
2150 | } |
|
|
2151 | |
|
|
2152 | /*****************************************************************************/ |
|
|
2153 | /* async pool handler */ |
|
|
2154 | |
|
|
2155 | static int |
|
|
2156 | slf_check_pool_handler (pTHX_ struct CoroSLF *frame) |
|
|
2157 | { |
|
|
2158 | HV *hv = (HV *)SvRV (coro_current); |
|
|
2159 | struct coro *coro = (struct coro *)frame->data; |
|
|
2160 | |
|
|
2161 | if (!coro->invoke_cb) |
|
|
2162 | return 1; /* loop till we have invoke */ |
|
|
2163 | else |
|
|
2164 | { |
|
|
2165 | hv_store (hv, "desc", sizeof ("desc") - 1, |
|
|
2166 | newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0); |
|
|
2167 | |
|
|
2168 | coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv); |
|
|
2169 | |
|
|
2170 | { |
|
|
2171 | dSP; |
|
|
2172 | XPUSHs (sv_2mortal (coro->invoke_cb)); coro->invoke_cb = 0; |
|
|
2173 | PUTBACK; |
|
|
2174 | } |
|
|
2175 | |
|
|
2176 | SvREFCNT_dec (GvAV (PL_defgv)); |
|
|
2177 | GvAV (PL_defgv) = coro->invoke_av; |
|
|
2178 | coro->invoke_av = 0; |
|
|
2179 | |
|
|
2180 | return 0; |
|
|
2181 | } |
|
|
2182 | } |
|
|
2183 | |
|
|
2184 | static void |
|
|
2185 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2186 | { |
|
|
2187 | HV *hv = (HV *)SvRV (coro_current); |
|
|
2188 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
|
|
2189 | |
|
|
2190 | if (expect_true (coro->saved_deffh)) |
|
|
2191 | { |
|
|
2192 | /* subsequent iteration */ |
|
|
2193 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
|
|
2194 | coro->saved_deffh = 0; |
|
|
2195 | |
|
|
2196 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
|
|
2197 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
|
|
2198 | { |
|
|
2199 | coro->invoke_cb = SvREFCNT_inc_NN ((SV *)cv_coro_terminate); |
|
|
2200 | coro->invoke_av = newAV (); |
|
|
2201 | |
|
|
2202 | frame->prepare = prepare_nop; |
|
|
2203 | } |
|
|
2204 | else |
|
|
2205 | { |
|
|
2206 | av_clear (GvAV (PL_defgv)); |
|
|
2207 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
|
|
2208 | |
|
|
2209 | coro->prio = 0; |
|
|
2210 | |
|
|
2211 | if (coro->cctx && (coro->cctx->flags & CC_TRACE)) |
|
|
2212 | api_trace (aTHX_ coro_current, 0); |
|
|
2213 | |
|
|
2214 | frame->prepare = prepare_schedule; |
|
|
2215 | av_push (av_async_pool, SvREFCNT_inc (hv)); |
|
|
2216 | } |
|
|
2217 | } |
|
|
2218 | else |
|
|
2219 | { |
|
|
2220 | /* first iteration, simply fall through */ |
|
|
2221 | frame->prepare = prepare_nop; |
|
|
2222 | } |
|
|
2223 | |
|
|
2224 | frame->check = slf_check_pool_handler; |
|
|
2225 | frame->data = (void *)coro; |
|
|
2226 | } |
|
|
2227 | |
1750 | /*****************************************************************************/ |
2228 | /*****************************************************************************/ |
1751 | /* rouse callback */ |
2229 | /* rouse callback */ |
1752 | |
2230 | |
1753 | #define CORO_MAGIC_type_rouse PERL_MAGIC_ext |
2231 | #define CORO_MAGIC_type_rouse PERL_MAGIC_ext |
1754 | |
2232 | |
1755 | static void |
2233 | static void |
1756 | coro_rouse_callback (pTHX_ CV *cv) |
2234 | coro_rouse_callback (pTHX_ CV *cv) |
1757 | { |
2235 | { |
1758 | dXSARGS; |
2236 | dXSARGS; |
1759 | SV *data = (SV *)GENSUB_ARG; |
2237 | SV *data = (SV *)S_GENSUB_ARG; |
1760 | |
2238 | |
1761 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2239 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
1762 | { |
2240 | { |
1763 | /* first call, set args */ |
2241 | /* first call, set args */ |
1764 | int i; |
2242 | SV *coro = SvRV (data); |
1765 | AV *av = newAV (); |
2243 | AV *av = newAV (); |
1766 | SV *coro = SvRV (data); |
|
|
1767 | |
2244 | |
1768 | SvRV_set (data, (SV *)av); |
2245 | SvRV_set (data, (SV *)av); |
1769 | api_ready (aTHX_ coro); |
|
|
1770 | SvREFCNT_dec (coro); |
|
|
1771 | |
2246 | |
1772 | /* better take a full copy of the arguments */ |
2247 | /* better take a full copy of the arguments */ |
1773 | while (items--) |
2248 | while (items--) |
1774 | av_store (av, items, newSVsv (ST (items))); |
2249 | av_store (av, items, newSVsv (ST (items))); |
|
|
2250 | |
|
|
2251 | api_ready (aTHX_ coro); |
|
|
2252 | SvREFCNT_dec (coro); |
1775 | } |
2253 | } |
1776 | |
2254 | |
1777 | XSRETURN_EMPTY; |
2255 | XSRETURN_EMPTY; |
1778 | } |
2256 | } |
1779 | |
2257 | |
… | |
… | |
1796 | |
2274 | |
1797 | EXTEND (SP, AvFILLp (av) + 1); |
2275 | EXTEND (SP, AvFILLp (av) + 1); |
1798 | for (i = 0; i <= AvFILLp (av); ++i) |
2276 | for (i = 0; i <= AvFILLp (av); ++i) |
1799 | PUSHs (sv_2mortal (AvARRAY (av)[i])); |
2277 | PUSHs (sv_2mortal (AvARRAY (av)[i])); |
1800 | |
2278 | |
1801 | /* we have stolen the elements, so ste length to zero and free */ |
2279 | /* we have stolen the elements, so set length to zero and free */ |
1802 | AvFILLp (av) = -1; |
2280 | AvFILLp (av) = -1; |
1803 | av_undef (av); |
2281 | av_undef (av); |
1804 | |
2282 | |
1805 | PUTBACK; |
2283 | PUTBACK; |
1806 | } |
2284 | } |
… | |
… | |
1830 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2308 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
1831 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2309 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
1832 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2310 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
1833 | |
2311 | |
1834 | { |
2312 | { |
1835 | CV *cv = (CV *)SvRV (cb); /* for GENSUB_ARG */ |
2313 | CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ |
1836 | SV *data = (SV *)GENSUB_ARG; |
2314 | SV *data = (SV *)S_GENSUB_ARG; |
1837 | |
2315 | |
1838 | frame->data = (void *)data; |
2316 | frame->data = (void *)data; |
1839 | frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule; |
2317 | frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule; |
1840 | frame->check = slf_check_rouse_wait; |
2318 | frame->check = slf_check_rouse_wait; |
1841 | } |
2319 | } |
… | |
… | |
1845 | coro_new_rouse_cb (pTHX) |
2323 | coro_new_rouse_cb (pTHX) |
1846 | { |
2324 | { |
1847 | HV *hv = (HV *)SvRV (coro_current); |
2325 | HV *hv = (HV *)SvRV (coro_current); |
1848 | struct coro *coro = SvSTATE_hv (hv); |
2326 | struct coro *coro = SvSTATE_hv (hv); |
1849 | SV *data = newRV_inc ((SV *)hv); |
2327 | SV *data = newRV_inc ((SV *)hv); |
1850 | SV *cb = gensub (aTHX_ coro_rouse_callback, (void *)data); |
2328 | SV *cb = s_gensub (aTHX_ coro_rouse_callback, (void *)data); |
1851 | |
2329 | |
1852 | sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0); |
2330 | sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0); |
1853 | SvREFCNT_dec (data); /* magicext increases the refcount */ |
2331 | SvREFCNT_dec (data); /* magicext increases the refcount */ |
1854 | |
2332 | |
1855 | SvREFCNT_dec (coro->rouse_cb); |
2333 | SvREFCNT_dec (coro->rouse_cb); |
… | |
… | |
1910 | static void |
2388 | static void |
1911 | slf_init_schedule (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2389 | slf_init_schedule (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
1912 | { |
2390 | { |
1913 | frame->prepare = prepare_schedule; |
2391 | frame->prepare = prepare_schedule; |
1914 | frame->check = slf_check_nop; |
2392 | frame->check = slf_check_nop; |
|
|
2393 | } |
|
|
2394 | |
|
|
2395 | static void |
|
|
2396 | slf_prepare_schedule_to (pTHX_ struct coro_transfer_args *ta) |
|
|
2397 | { |
|
|
2398 | struct coro *next = (struct coro *)slf_frame.data; |
|
|
2399 | |
|
|
2400 | SvREFCNT_inc_NN (next->hv); |
|
|
2401 | prepare_schedule_to (aTHX_ ta, next); |
|
|
2402 | } |
|
|
2403 | |
|
|
2404 | static void |
|
|
2405 | slf_init_schedule_to (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2406 | { |
|
|
2407 | if (!items) |
|
|
2408 | croak ("Coro::schedule_to expects a coroutine argument, caught"); |
|
|
2409 | |
|
|
2410 | frame->data = (void *)SvSTATE (arg [0]); |
|
|
2411 | frame->prepare = slf_prepare_schedule_to; |
|
|
2412 | frame->check = slf_check_nop; |
|
|
2413 | } |
|
|
2414 | |
|
|
2415 | static void |
|
|
2416 | slf_init_cede_to (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2417 | { |
|
|
2418 | api_ready (aTHX_ SvRV (coro_current)); |
|
|
2419 | |
|
|
2420 | slf_init_schedule_to (aTHX_ frame, cv, arg, items); |
1915 | } |
2421 | } |
1916 | |
2422 | |
1917 | static void |
2423 | static void |
1918 | slf_init_cede (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2424 | slf_init_cede (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
1919 | { |
2425 | { |
… | |
… | |
2052 | if (PL_op->op_flags & OPf_STACKED) |
2558 | if (PL_op->op_flags & OPf_STACKED) |
2053 | { |
2559 | { |
2054 | if (items > slf_arga) |
2560 | if (items > slf_arga) |
2055 | { |
2561 | { |
2056 | slf_arga = items; |
2562 | slf_arga = items; |
2057 | free (slf_argv); |
2563 | Safefree (slf_argv); |
2058 | slf_argv = malloc (slf_arga * sizeof (SV *)); |
2564 | New (0, slf_argv, slf_arga, SV *); |
2059 | } |
2565 | } |
2060 | |
2566 | |
2061 | slf_argc = items; |
2567 | slf_argc = items; |
2062 | |
2568 | |
2063 | for (i = 0; i < items; ++i) |
2569 | for (i = 0; i < items; ++i) |
… | |
… | |
2065 | } |
2571 | } |
2066 | else |
2572 | else |
2067 | slf_argc = 0; |
2573 | slf_argc = 0; |
2068 | |
2574 | |
2069 | PL_op->op_ppaddr = pp_slf; |
2575 | PL_op->op_ppaddr = pp_slf; |
2070 | PL_op->op_type = OP_CUSTOM; /* maybe we should leave it at entersub? */ |
2576 | /*PL_op->op_type = OP_CUSTOM; /* we do behave like entersub still */ |
2071 | |
2577 | |
2072 | PL_op = (OP *)&slf_restore; |
2578 | PL_op = (OP *)&slf_restore; |
|
|
2579 | } |
|
|
2580 | |
|
|
2581 | /*****************************************************************************/ |
|
|
2582 | /* dynamic wind */ |
|
|
2583 | |
|
|
2584 | static void |
|
|
2585 | on_enterleave_call (pTHX_ SV *cb) |
|
|
2586 | { |
|
|
2587 | dSP; |
|
|
2588 | |
|
|
2589 | PUSHSTACK; |
|
|
2590 | |
|
|
2591 | PUSHMARK (SP); |
|
|
2592 | PUTBACK; |
|
|
2593 | call_sv (cb, G_VOID | G_DISCARD); |
|
|
2594 | SPAGAIN; |
|
|
2595 | |
|
|
2596 | POPSTACK; |
|
|
2597 | } |
|
|
2598 | |
|
|
2599 | static SV * |
|
|
2600 | coro_avp_pop_and_free (pTHX_ AV **avp) |
|
|
2601 | { |
|
|
2602 | AV *av = *avp; |
|
|
2603 | SV *res = av_pop (av); |
|
|
2604 | |
|
|
2605 | if (AvFILLp (av) < 0) |
|
|
2606 | { |
|
|
2607 | *avp = 0; |
|
|
2608 | SvREFCNT_dec (av); |
|
|
2609 | } |
|
|
2610 | |
|
|
2611 | return res; |
|
|
2612 | } |
|
|
2613 | |
|
|
2614 | static void |
|
|
2615 | coro_pop_on_enter (pTHX_ void *coro) |
|
|
2616 | { |
|
|
2617 | SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_enter); |
|
|
2618 | SvREFCNT_dec (cb); |
|
|
2619 | } |
|
|
2620 | |
|
|
2621 | static void |
|
|
2622 | coro_pop_on_leave (pTHX_ void *coro) |
|
|
2623 | { |
|
|
2624 | SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_leave); |
|
|
2625 | on_enterleave_call (aTHX_ sv_2mortal (cb)); |
2073 | } |
2626 | } |
2074 | |
2627 | |
2075 | /*****************************************************************************/ |
2628 | /*****************************************************************************/ |
2076 | /* PerlIO::cede */ |
2629 | /* PerlIO::cede */ |
2077 | |
2630 | |
… | |
… | |
2151 | /* Coro::Semaphore & Coro::Signal */ |
2704 | /* Coro::Semaphore & Coro::Signal */ |
2152 | |
2705 | |
2153 | static SV * |
2706 | static SV * |
2154 | coro_waitarray_new (pTHX_ int count) |
2707 | coro_waitarray_new (pTHX_ int count) |
2155 | { |
2708 | { |
2156 | /* a semaphore contains a counter IV in $sem->[0] and any waiters after that */ |
2709 | /* a waitarray=semaphore contains a counter IV in $sem->[0] and any waiters after that */ |
2157 | AV *av = newAV (); |
2710 | AV *av = newAV (); |
2158 | SV **ary; |
2711 | SV **ary; |
2159 | |
2712 | |
2160 | /* unfortunately, building manually saves memory */ |
2713 | /* unfortunately, building manually saves memory */ |
2161 | Newx (ary, 2, SV *); |
2714 | Newx (ary, 2, SV *); |
2162 | AvALLOC (av) = ary; |
2715 | AvALLOC (av) = ary; |
|
|
2716 | #if PERL_VERSION_ATLEAST (5,10,0) |
2163 | /*AvARRAY (av) = ary;*/ |
2717 | AvARRAY (av) = ary; |
|
|
2718 | #else |
2164 | SvPVX ((SV *)av) = (char *)ary; /* 5.8.8 needs this syntax instead of AvARRAY = ary */ |
2719 | /* 5.8.8 needs this syntax instead of AvARRAY = ary, yet */ |
|
|
2720 | /* -DDEBUGGING flags this as a bug, despite it perfectly working */ |
|
|
2721 | SvPVX ((SV *)av) = (char *)ary; |
|
|
2722 | #endif |
2165 | AvMAX (av) = 1; |
2723 | AvMAX (av) = 1; |
2166 | AvFILLp (av) = 0; |
2724 | AvFILLp (av) = 0; |
2167 | ary [0] = newSViv (count); |
2725 | ary [0] = newSViv (count); |
2168 | |
2726 | |
2169 | return newRV_noinc ((SV *)av); |
2727 | return newRV_noinc ((SV *)av); |
… | |
… | |
2298 | { |
2856 | { |
2299 | if (items >= 2) |
2857 | if (items >= 2) |
2300 | { |
2858 | { |
2301 | /* callback form */ |
2859 | /* callback form */ |
2302 | AV *av = (AV *)SvRV (arg [0]); |
2860 | AV *av = (AV *)SvRV (arg [0]); |
2303 | CV *cb_cv = coro_sv_2cv (arg [1]); |
2861 | SV *cb_cv = s_get_cv_croak (arg [1]); |
2304 | |
2862 | |
2305 | av_push (av, (SV *)SvREFCNT_inc_NN (cb_cv)); |
2863 | av_push (av, SvREFCNT_inc_NN (cb_cv)); |
2306 | |
2864 | |
2307 | if (SvIVX (AvARRAY (av)[0]) > 0) |
2865 | if (SvIVX (AvARRAY (av)[0]) > 0) |
2308 | coro_semaphore_adjust (aTHX_ av, 0); |
2866 | coro_semaphore_adjust (aTHX_ av, 0); |
2309 | |
2867 | |
2310 | frame->prepare = prepare_nop; |
2868 | frame->prepare = prepare_nop; |
… | |
… | |
2334 | AvARRAY (av)[0] = AvARRAY (av)[1]; |
2892 | AvARRAY (av)[0] = AvARRAY (av)[1]; |
2335 | AvARRAY (av)[1] = cb; |
2893 | AvARRAY (av)[1] = cb; |
2336 | |
2894 | |
2337 | cb = av_shift (av); |
2895 | cb = av_shift (av); |
2338 | |
2896 | |
|
|
2897 | if (SvTYPE (cb) == SVt_PVCV) |
|
|
2898 | { |
|
|
2899 | dSP; |
|
|
2900 | PUSHMARK (SP); |
|
|
2901 | XPUSHs (sv_2mortal (newRV_inc ((SV *)av))); |
|
|
2902 | PUTBACK; |
|
|
2903 | call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR); |
|
|
2904 | } |
|
|
2905 | else |
|
|
2906 | { |
2339 | api_ready (aTHX_ cb); |
2907 | api_ready (aTHX_ cb); |
2340 | sv_setiv (cb, 0); /* signal waiter */ |
2908 | sv_setiv (cb, 0); /* signal waiter */ |
|
|
2909 | } |
|
|
2910 | |
2341 | SvREFCNT_dec (cb); |
2911 | SvREFCNT_dec (cb); |
2342 | |
2912 | |
2343 | --count; |
2913 | --count; |
2344 | } |
2914 | } |
2345 | } |
2915 | } |
… | |
… | |
2354 | static void |
2924 | static void |
2355 | slf_init_signal_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2925 | slf_init_signal_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2356 | { |
2926 | { |
2357 | AV *av = (AV *)SvRV (arg [0]); |
2927 | AV *av = (AV *)SvRV (arg [0]); |
2358 | |
2928 | |
|
|
2929 | if (items >= 2) |
|
|
2930 | { |
|
|
2931 | SV *cb_cv = s_get_cv_croak (arg [1]); |
|
|
2932 | av_push (av, SvREFCNT_inc_NN (cb_cv)); |
|
|
2933 | |
2359 | if (SvIVX (AvARRAY (av)[0])) |
2934 | if (SvIVX (AvARRAY (av)[0])) |
|
|
2935 | coro_signal_wake (aTHX_ av, 1); /* must be the only waiter */ |
|
|
2936 | |
|
|
2937 | frame->prepare = prepare_nop; |
|
|
2938 | frame->check = slf_check_nop; |
|
|
2939 | } |
|
|
2940 | else if (SvIVX (AvARRAY (av)[0])) |
2360 | { |
2941 | { |
2361 | SvIVX (AvARRAY (av)[0]) = 0; |
2942 | SvIVX (AvARRAY (av)[0]) = 0; |
2362 | frame->prepare = prepare_nop; |
2943 | frame->prepare = prepare_nop; |
2363 | frame->check = slf_check_nop; |
2944 | frame->check = slf_check_nop; |
2364 | } |
2945 | } |
2365 | else |
2946 | else |
2366 | { |
2947 | { |
2367 | SV *waiter = newRV_inc (SvRV (coro_current)); /* owned by signal av */ |
2948 | SV *waiter = newSVsv (coro_current); /* owned by signal av */ |
2368 | |
2949 | |
2369 | av_push (av, waiter); |
2950 | av_push (av, waiter); |
2370 | |
2951 | |
2371 | frame->data = (void *)sv_2mortal (SvREFCNT_inc_NN (waiter)); /* owned by process */ |
2952 | frame->data = (void *)sv_2mortal (SvREFCNT_inc_NN (waiter)); /* owned by process */ |
2372 | frame->prepare = prepare_schedule; |
2953 | frame->prepare = prepare_schedule; |
… | |
… | |
2390 | |
2971 | |
2391 | static void |
2972 | static void |
2392 | coro_aio_callback (pTHX_ CV *cv) |
2973 | coro_aio_callback (pTHX_ CV *cv) |
2393 | { |
2974 | { |
2394 | dXSARGS; |
2975 | dXSARGS; |
2395 | AV *state = (AV *)GENSUB_ARG; |
2976 | AV *state = (AV *)S_GENSUB_ARG; |
2396 | SV *coro = av_pop (state); |
2977 | SV *coro = av_pop (state); |
2397 | SV *data_sv = newSV (sizeof (struct io_state)); |
2978 | SV *data_sv = newSV (sizeof (struct io_state)); |
2398 | |
2979 | |
2399 | av_extend (state, items); |
2980 | av_extend (state, items - 1); |
2400 | |
2981 | |
2401 | sv_upgrade (data_sv, SVt_PV); |
2982 | sv_upgrade (data_sv, SVt_PV); |
2402 | SvCUR_set (data_sv, sizeof (struct io_state)); |
2983 | SvCUR_set (data_sv, sizeof (struct io_state)); |
2403 | SvPOK_only (data_sv); |
2984 | SvPOK_only (data_sv); |
2404 | |
2985 | |
… | |
… | |
2514 | |
3095 | |
2515 | for (i = 0; i < items; ++i) |
3096 | for (i = 0; i < items; ++i) |
2516 | PUSHs (arg [i]); |
3097 | PUSHs (arg [i]); |
2517 | |
3098 | |
2518 | /* now push the callback closure */ |
3099 | /* now push the callback closure */ |
2519 | PUSHs (sv_2mortal (gensub (aTHX_ coro_aio_callback, (void *)SvREFCNT_inc_NN ((SV *)state)))); |
3100 | PUSHs (sv_2mortal (s_gensub (aTHX_ coro_aio_callback, (void *)SvREFCNT_inc_NN ((SV *)state)))); |
2520 | |
3101 | |
2521 | /* now call the AIO function - we assume our request is uncancelable */ |
3102 | /* now call the AIO function - we assume our request is uncancelable */ |
2522 | PUTBACK; |
3103 | PUTBACK; |
2523 | call_sv ((SV *)req, G_VOID | G_DISCARD); |
3104 | call_sv ((SV *)req, G_VOID | G_DISCARD); |
2524 | } |
3105 | } |
2525 | |
3106 | |
2526 | /* now that the requets is going, we loop toll we have a result */ |
3107 | /* now that the request is going, we loop till we have a result */ |
2527 | frame->data = (void *)state; |
3108 | frame->data = (void *)state; |
2528 | frame->prepare = prepare_schedule; |
3109 | frame->prepare = prepare_schedule; |
2529 | frame->check = slf_check_aio_req; |
3110 | frame->check = slf_check_aio_req; |
2530 | } |
3111 | } |
2531 | |
3112 | |
… | |
… | |
2538 | |
3119 | |
2539 | XSRETURN_EMPTY; |
3120 | XSRETURN_EMPTY; |
2540 | } |
3121 | } |
2541 | |
3122 | |
2542 | /*****************************************************************************/ |
3123 | /*****************************************************************************/ |
|
|
3124 | |
|
|
3125 | #if CORO_CLONE |
|
|
3126 | # include "clone.c" |
|
|
3127 | #endif |
|
|
3128 | |
|
|
3129 | /*****************************************************************************/ |
|
|
3130 | |
|
|
3131 | static SV * |
|
|
3132 | coro_new (pTHX_ HV *stash, SV **argv, int argc, int is_coro) |
|
|
3133 | { |
|
|
3134 | SV *coro_sv; |
|
|
3135 | struct coro *coro; |
|
|
3136 | MAGIC *mg; |
|
|
3137 | HV *hv; |
|
|
3138 | SV *cb; |
|
|
3139 | int i; |
|
|
3140 | |
|
|
3141 | if (argc > 0) |
|
|
3142 | { |
|
|
3143 | cb = s_get_cv_croak (argv [0]); |
|
|
3144 | |
|
|
3145 | if (!is_coro) |
|
|
3146 | { |
|
|
3147 | if (CvISXSUB (cb)) |
|
|
3148 | croak ("Coro::State doesn't support XS functions as coroutine start, caught"); |
|
|
3149 | |
|
|
3150 | if (!CvROOT (cb)) |
|
|
3151 | croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught"); |
|
|
3152 | } |
|
|
3153 | } |
|
|
3154 | |
|
|
3155 | Newz (0, coro, 1, struct coro); |
|
|
3156 | coro->args = newAV (); |
|
|
3157 | coro->flags = CF_NEW; |
|
|
3158 | |
|
|
3159 | if (coro_first) coro_first->prev = coro; |
|
|
3160 | coro->next = coro_first; |
|
|
3161 | coro_first = coro; |
|
|
3162 | |
|
|
3163 | coro->hv = hv = newHV (); |
|
|
3164 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
|
|
3165 | mg->mg_flags |= MGf_DUP; |
|
|
3166 | coro_sv = sv_bless (newRV_noinc ((SV *)hv), stash); |
|
|
3167 | |
|
|
3168 | if (argc > 0) |
|
|
3169 | { |
|
|
3170 | av_extend (coro->args, argc + is_coro - 1); |
|
|
3171 | |
|
|
3172 | if (is_coro) |
|
|
3173 | { |
|
|
3174 | av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb)); |
|
|
3175 | cb = (SV *)cv_coro_run; |
|
|
3176 | } |
|
|
3177 | |
|
|
3178 | coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb); |
|
|
3179 | |
|
|
3180 | for (i = 1; i < argc; i++) |
|
|
3181 | av_push (coro->args, newSVsv (argv [i])); |
|
|
3182 | } |
|
|
3183 | |
|
|
3184 | return coro_sv; |
|
|
3185 | } |
2543 | |
3186 | |
2544 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
3187 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
2545 | |
3188 | |
2546 | PROTOTYPES: DISABLE |
3189 | PROTOTYPES: DISABLE |
2547 | |
3190 | |
… | |
… | |
2552 | coro_thx = PERL_GET_CONTEXT; |
3195 | coro_thx = PERL_GET_CONTEXT; |
2553 | # endif |
3196 | # endif |
2554 | #endif |
3197 | #endif |
2555 | BOOT_PAGESIZE; |
3198 | BOOT_PAGESIZE; |
2556 | |
3199 | |
|
|
3200 | cctx_current = cctx_new_empty (); |
|
|
3201 | |
2557 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3202 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
2558 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3203 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
2559 | |
3204 | |
2560 | orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get; |
3205 | orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get; |
2561 | orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set; |
3206 | orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set; |
… | |
… | |
2580 | |
3225 | |
2581 | { |
3226 | { |
2582 | SV *slf = sv_2mortal (newSViv (PTR2IV (pp_slf))); |
3227 | SV *slf = sv_2mortal (newSViv (PTR2IV (pp_slf))); |
2583 | |
3228 | |
2584 | if (!PL_custom_op_names) PL_custom_op_names = newHV (); |
3229 | if (!PL_custom_op_names) PL_custom_op_names = newHV (); |
2585 | hv_store_ent (PL_custom_op_names, slf, |
3230 | hv_store_ent (PL_custom_op_names, slf, newSVpv ("coro_slf", 0), 0); |
2586 | newSVpv ("coro_slf", 0), 0); |
|
|
2587 | |
3231 | |
2588 | if (!PL_custom_op_descs) PL_custom_op_descs = newHV (); |
3232 | if (!PL_custom_op_descs) PL_custom_op_descs = newHV (); |
2589 | hv_store_ent (PL_custom_op_descs, slf, |
3233 | hv_store_ent (PL_custom_op_descs, slf, newSVpv ("coro schedule like function", 0), 0); |
2590 | newSVpv ("coro schedule like function", 0), 0); |
|
|
2591 | } |
3234 | } |
2592 | |
3235 | |
2593 | coroapi.ver = CORO_API_VERSION; |
3236 | coroapi.ver = CORO_API_VERSION; |
2594 | coroapi.rev = CORO_API_REVISION; |
3237 | coroapi.rev = CORO_API_REVISION; |
2595 | |
3238 | |
… | |
… | |
2600 | coroapi.prepare_nop = prepare_nop; |
3243 | coroapi.prepare_nop = prepare_nop; |
2601 | coroapi.prepare_schedule = prepare_schedule; |
3244 | coroapi.prepare_schedule = prepare_schedule; |
2602 | coroapi.prepare_cede = prepare_cede; |
3245 | coroapi.prepare_cede = prepare_cede; |
2603 | coroapi.prepare_cede_notself = prepare_cede_notself; |
3246 | coroapi.prepare_cede_notself = prepare_cede_notself; |
2604 | |
3247 | |
2605 | { |
3248 | time_init (aTHX); |
2606 | SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
|
|
2607 | |
3249 | |
2608 | if (!svp) croak ("Time::HiRes is required"); |
|
|
2609 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer"); |
|
|
2610 | |
|
|
2611 | nvtime = INT2PTR (double (*)(), SvIV (*svp)); |
|
|
2612 | } |
|
|
2613 | |
|
|
2614 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
3250 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
2615 | } |
3251 | } |
2616 | |
3252 | |
2617 | SV * |
3253 | SV * |
2618 | new (char *klass, ...) |
3254 | new (SV *klass, ...) |
|
|
3255 | ALIAS: |
|
|
3256 | Coro::new = 1 |
2619 | CODE: |
3257 | CODE: |
2620 | { |
3258 | RETVAL = coro_new (aTHX_ ix ? coro_stash : coro_state_stash, &ST (1), items - 1, ix); |
2621 | struct coro *coro; |
3259 | OUTPUT: |
2622 | MAGIC *mg; |
|
|
2623 | HV *hv; |
|
|
2624 | CV *cb; |
|
|
2625 | int i; |
|
|
2626 | |
|
|
2627 | if (items > 1) |
|
|
2628 | { |
|
|
2629 | cb = coro_sv_2cv (ST (1)); |
|
|
2630 | |
|
|
2631 | if (CvISXSUB (cb)) |
|
|
2632 | croak ("Coro::State doesn't support XS functions as coroutine start, caught"); |
|
|
2633 | |
|
|
2634 | if (!CvROOT (cb)) |
|
|
2635 | croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught"); |
|
|
2636 | } |
|
|
2637 | |
|
|
2638 | Newz (0, coro, 1, struct coro); |
|
|
2639 | coro->args = newAV (); |
|
|
2640 | coro->flags = CF_NEW; |
|
|
2641 | |
|
|
2642 | if (coro_first) coro_first->prev = coro; |
|
|
2643 | coro->next = coro_first; |
|
|
2644 | coro_first = coro; |
|
|
2645 | |
|
|
2646 | coro->hv = hv = newHV (); |
|
|
2647 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
|
|
2648 | mg->mg_flags |= MGf_DUP; |
|
|
2649 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
|
|
2650 | |
|
|
2651 | if (items > 1) |
|
|
2652 | { |
|
|
2653 | coro->startcv = SvREFCNT_inc_NN (cb); |
|
|
2654 | |
|
|
2655 | av_extend (coro->args, items - 1); |
|
|
2656 | for (i = 2; i < items; i++) |
|
|
2657 | av_push (coro->args, newSVsv (ST (i))); |
|
|
2658 | } |
|
|
2659 | } |
|
|
2660 | OUTPUT: |
|
|
2661 | RETVAL |
3260 | RETVAL |
2662 | |
3261 | |
2663 | void |
3262 | void |
2664 | transfer (...) |
3263 | transfer (...) |
2665 | PROTOTYPE: $$ |
3264 | PROTOTYPE: $$ |
2666 | CODE: |
3265 | CODE: |
2667 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3266 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
2668 | |
3267 | |
2669 | bool |
|
|
2670 | _destroy (SV *coro_sv) |
|
|
2671 | CODE: |
|
|
2672 | RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv)); |
|
|
2673 | OUTPUT: |
|
|
2674 | RETVAL |
|
|
2675 | |
|
|
2676 | void |
3268 | void |
2677 | _exit (int code) |
3269 | _exit (int code) |
2678 | PROTOTYPE: $ |
3270 | PROTOTYPE: $ |
2679 | CODE: |
3271 | CODE: |
2680 | _exit (code); |
3272 | _exit (code); |
|
|
3273 | |
|
|
3274 | SV * |
|
|
3275 | clone (Coro::State coro) |
|
|
3276 | CODE: |
|
|
3277 | { |
|
|
3278 | #if CORO_CLONE |
|
|
3279 | struct coro *ncoro = coro_clone (aTHX_ coro); |
|
|
3280 | MAGIC *mg; |
|
|
3281 | /* TODO: too much duplication */ |
|
|
3282 | ncoro->hv = newHV (); |
|
|
3283 | mg = sv_magicext ((SV *)ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)ncoro, 0); |
|
|
3284 | mg->mg_flags |= MGf_DUP; |
|
|
3285 | RETVAL = sv_bless (newRV_noinc ((SV *)ncoro->hv), SvSTASH (coro->hv)); |
|
|
3286 | #else |
|
|
3287 | croak ("Coro::State->clone has not been configured into this installation of Coro, realised"); |
|
|
3288 | #endif |
|
|
3289 | } |
|
|
3290 | OUTPUT: |
|
|
3291 | RETVAL |
2681 | |
3292 | |
2682 | int |
3293 | int |
2683 | cctx_stacksize (int new_stacksize = 0) |
3294 | cctx_stacksize (int new_stacksize = 0) |
2684 | PROTOTYPE: ;$ |
3295 | PROTOTYPE: ;$ |
2685 | CODE: |
3296 | CODE: |
… | |
… | |
2735 | eval = 1 |
3346 | eval = 1 |
2736 | CODE: |
3347 | CODE: |
2737 | { |
3348 | { |
2738 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
3349 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
2739 | { |
3350 | { |
2740 | struct coro temp; |
3351 | struct coro *current = SvSTATE_current; |
|
|
3352 | struct CoroSLF slf_save; |
2741 | |
3353 | |
2742 | if (!(coro->flags & CF_RUNNING)) |
3354 | if (current != coro) |
2743 | { |
3355 | { |
2744 | PUTBACK; |
3356 | PUTBACK; |
2745 | save_perl (aTHX_ &temp); |
3357 | save_perl (aTHX_ current); |
2746 | load_perl (aTHX_ coro); |
3358 | load_perl (aTHX_ coro); |
|
|
3359 | /* the coro is most likely in an active SLF call. |
|
|
3360 | * while not strictly required (the code we execute is |
|
|
3361 | * not allowed to call any SLF functions), it's cleaner |
|
|
3362 | * to reinitialise the slf_frame and restore it later. |
|
|
3363 | * This might one day allow us to actually do SLF calls |
|
|
3364 | * from code executed here. |
|
|
3365 | */ |
|
|
3366 | slf_save = slf_frame; |
|
|
3367 | slf_frame.prepare = 0; |
|
|
3368 | SPAGAIN; |
2747 | } |
3369 | } |
2748 | |
3370 | |
2749 | { |
|
|
2750 | dSP; |
|
|
2751 | ENTER; |
|
|
2752 | SAVETMPS; |
|
|
2753 | PUTBACK; |
|
|
2754 | PUSHSTACK; |
3371 | PUSHSTACK; |
|
|
3372 | |
2755 | PUSHMARK (SP); |
3373 | PUSHMARK (SP); |
|
|
3374 | PUTBACK; |
2756 | |
3375 | |
2757 | if (ix) |
3376 | if (ix) |
2758 | eval_sv (coderef, 0); |
3377 | eval_sv (coderef, 0); |
2759 | else |
3378 | else |
2760 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
3379 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
2761 | |
3380 | |
2762 | POPSTACK; |
3381 | POPSTACK; |
2763 | SPAGAIN; |
3382 | SPAGAIN; |
2764 | FREETMPS; |
|
|
2765 | LEAVE; |
|
|
2766 | PUTBACK; |
|
|
2767 | } |
|
|
2768 | |
3383 | |
2769 | if (!(coro->flags & CF_RUNNING)) |
3384 | if (current != coro) |
2770 | { |
3385 | { |
|
|
3386 | PUTBACK; |
|
|
3387 | slf_frame = slf_save; |
2771 | save_perl (aTHX_ coro); |
3388 | save_perl (aTHX_ coro); |
2772 | load_perl (aTHX_ &temp); |
3389 | load_perl (aTHX_ current); |
2773 | SPAGAIN; |
3390 | SPAGAIN; |
2774 | } |
3391 | } |
2775 | } |
3392 | } |
2776 | } |
3393 | } |
2777 | |
3394 | |
… | |
… | |
2781 | ALIAS: |
3398 | ALIAS: |
2782 | is_ready = CF_READY |
3399 | is_ready = CF_READY |
2783 | is_running = CF_RUNNING |
3400 | is_running = CF_RUNNING |
2784 | is_new = CF_NEW |
3401 | is_new = CF_NEW |
2785 | is_destroyed = CF_DESTROYED |
3402 | is_destroyed = CF_DESTROYED |
|
|
3403 | is_suspended = CF_SUSPENDED |
2786 | CODE: |
3404 | CODE: |
2787 | RETVAL = boolSV (coro->flags & ix); |
3405 | RETVAL = boolSV (coro->flags & ix); |
2788 | OUTPUT: |
3406 | OUTPUT: |
2789 | RETVAL |
3407 | RETVAL |
2790 | |
3408 | |
2791 | void |
3409 | void |
2792 | throw (Coro::State self, SV *throw = &PL_sv_undef) |
3410 | throw (Coro::State self, SV *exception = &PL_sv_undef) |
2793 | PROTOTYPE: $;$ |
3411 | PROTOTYPE: $;$ |
2794 | CODE: |
3412 | CODE: |
2795 | { |
3413 | { |
2796 | struct coro *current = SvSTATE_current; |
3414 | struct coro *current = SvSTATE_current; |
2797 | SV **throwp = self == current ? &CORO_THROW : &self->except; |
3415 | SV **exceptionp = self == current ? &CORO_THROW : &self->except; |
2798 | SvREFCNT_dec (*throwp); |
3416 | SvREFCNT_dec (*exceptionp); |
2799 | *throwp = SvOK (throw) ? newSVsv (throw) : 0; |
3417 | SvGETMAGIC (exception); |
|
|
3418 | *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; |
2800 | } |
3419 | } |
2801 | |
3420 | |
2802 | void |
3421 | void |
2803 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3422 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
2804 | PROTOTYPE: $;$ |
3423 | PROTOTYPE: $;$ |
… | |
… | |
2806 | |
3425 | |
2807 | SV * |
3426 | SV * |
2808 | has_cctx (Coro::State coro) |
3427 | has_cctx (Coro::State coro) |
2809 | PROTOTYPE: $ |
3428 | PROTOTYPE: $ |
2810 | CODE: |
3429 | CODE: |
2811 | RETVAL = boolSV (!!coro->cctx); |
3430 | /* maybe manage the running flag differently */ |
|
|
3431 | RETVAL = boolSV (!!coro->cctx || (coro->flags & CF_RUNNING)); |
2812 | OUTPUT: |
3432 | OUTPUT: |
2813 | RETVAL |
3433 | RETVAL |
2814 | |
3434 | |
2815 | int |
3435 | int |
2816 | is_traced (Coro::State coro) |
3436 | is_traced (Coro::State coro) |
… | |
… | |
2836 | |
3456 | |
2837 | void |
3457 | void |
2838 | force_cctx () |
3458 | force_cctx () |
2839 | PROTOTYPE: |
3459 | PROTOTYPE: |
2840 | CODE: |
3460 | CODE: |
2841 | SvSTATE_current->cctx->idle_sp = 0; |
3461 | cctx_current->idle_sp = 0; |
2842 | |
3462 | |
2843 | void |
3463 | void |
2844 | swap_defsv (Coro::State self) |
3464 | swap_defsv (Coro::State self) |
2845 | PROTOTYPE: $ |
3465 | PROTOTYPE: $ |
2846 | ALIAS: |
3466 | ALIAS: |
… | |
… | |
2854 | SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv; |
3474 | SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv; |
2855 | |
3475 | |
2856 | SV *tmp = *src; *src = *dst; *dst = tmp; |
3476 | SV *tmp = *src; *src = *dst; *dst = tmp; |
2857 | } |
3477 | } |
2858 | |
3478 | |
|
|
3479 | void |
|
|
3480 | cancel (Coro::State self) |
|
|
3481 | CODE: |
|
|
3482 | coro_state_destroy (aTHX_ self); |
|
|
3483 | |
|
|
3484 | SV * |
|
|
3485 | enable_times (int enabled = enable_times) |
|
|
3486 | CODE: |
|
|
3487 | { |
|
|
3488 | RETVAL = boolSV (enable_times); |
|
|
3489 | |
|
|
3490 | if (enabled != enable_times) |
|
|
3491 | { |
|
|
3492 | enable_times = enabled; |
|
|
3493 | |
|
|
3494 | coro_times_update (); |
|
|
3495 | (enabled ? coro_times_sub : coro_times_add)(SvSTATE (coro_current)); |
|
|
3496 | } |
|
|
3497 | } |
|
|
3498 | OUTPUT: |
|
|
3499 | RETVAL |
|
|
3500 | |
|
|
3501 | void |
|
|
3502 | times (Coro::State self) |
|
|
3503 | PPCODE: |
|
|
3504 | { |
|
|
3505 | struct coro *current = SvSTATE (coro_current); |
|
|
3506 | |
|
|
3507 | if (expect_false (current == self)) |
|
|
3508 | { |
|
|
3509 | coro_times_update (); |
|
|
3510 | coro_times_add (SvSTATE (coro_current)); |
|
|
3511 | } |
|
|
3512 | |
|
|
3513 | EXTEND (SP, 2); |
|
|
3514 | PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9))); |
|
|
3515 | PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9))); |
|
|
3516 | |
|
|
3517 | if (expect_false (current == self)) |
|
|
3518 | coro_times_sub (SvSTATE (coro_current)); |
|
|
3519 | } |
|
|
3520 | |
|
|
3521 | void |
|
|
3522 | swap_sv (Coro::State coro, SV *sv, SV *swapsv) |
|
|
3523 | CODE: |
|
|
3524 | { |
|
|
3525 | struct coro *current = SvSTATE_current; |
|
|
3526 | |
|
|
3527 | if (current == coro) |
|
|
3528 | SWAP_SVS (current); |
|
|
3529 | |
|
|
3530 | if (!coro->swap_sv) |
|
|
3531 | coro->swap_sv = newAV (); |
|
|
3532 | |
|
|
3533 | av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (sv ))); |
|
|
3534 | av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (swapsv))); |
|
|
3535 | |
|
|
3536 | if (current == coro) |
|
|
3537 | SWAP_SVS (current); |
|
|
3538 | } |
|
|
3539 | |
2859 | |
3540 | |
2860 | MODULE = Coro::State PACKAGE = Coro |
3541 | MODULE = Coro::State PACKAGE = Coro |
2861 | |
3542 | |
2862 | BOOT: |
3543 | BOOT: |
2863 | { |
3544 | { |
2864 | int i; |
|
|
2865 | |
|
|
2866 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
|
|
2867 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3545 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
2868 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3546 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
2869 | |
3547 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
|
|
3548 | cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD); |
2870 | coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE); |
3549 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
2871 | SvREADONLY_on (coro_current); |
3550 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
|
|
3551 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
|
|
3552 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
|
|
3553 | sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); |
2872 | |
3554 | |
|
|
3555 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
|
|
3556 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
|
|
3557 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
|
|
3558 | CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */ |
|
|
3559 | |
2873 | coro_stash = gv_stashpv ("Coro", TRUE); |
3560 | coro_stash = gv_stashpv ("Coro", TRUE); |
2874 | |
3561 | |
2875 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
3562 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
2876 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
3563 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
2877 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); |
3564 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL)); |
2878 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); |
3565 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (CORO_PRIO_LOW)); |
2879 | newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE)); |
3566 | newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (CORO_PRIO_IDLE)); |
2880 | newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN)); |
3567 | newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (CORO_PRIO_MIN)); |
2881 | |
|
|
2882 | for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) |
|
|
2883 | coro_ready[i] = newAV (); |
|
|
2884 | |
3568 | |
2885 | { |
3569 | { |
2886 | SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE); |
3570 | SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE); |
2887 | |
3571 | |
2888 | coroapi.schedule = api_schedule; |
3572 | coroapi.schedule = api_schedule; |
|
|
3573 | coroapi.schedule_to = api_schedule_to; |
2889 | coroapi.cede = api_cede; |
3574 | coroapi.cede = api_cede; |
2890 | coroapi.cede_notself = api_cede_notself; |
3575 | coroapi.cede_notself = api_cede_notself; |
2891 | coroapi.ready = api_ready; |
3576 | coroapi.ready = api_ready; |
2892 | coroapi.is_ready = api_is_ready; |
3577 | coroapi.is_ready = api_is_ready; |
2893 | coroapi.nready = coro_nready; |
3578 | coroapi.nready = coro_nready; |
… | |
… | |
2897 | sv_setiv (sv, (IV)&coroapi); |
3582 | sv_setiv (sv, (IV)&coroapi); |
2898 | SvREADONLY_on (sv); |
3583 | SvREADONLY_on (sv); |
2899 | } |
3584 | } |
2900 | } |
3585 | } |
2901 | |
3586 | |
|
|
3587 | SV * |
|
|
3588 | async (...) |
|
|
3589 | PROTOTYPE: &@ |
|
|
3590 | CODE: |
|
|
3591 | RETVAL = coro_new (aTHX_ coro_stash, &ST (0), items, 1); |
|
|
3592 | api_ready (aTHX_ RETVAL); |
|
|
3593 | OUTPUT: |
|
|
3594 | RETVAL |
|
|
3595 | |
|
|
3596 | void |
|
|
3597 | _destroy (Coro::State coro) |
|
|
3598 | CODE: |
|
|
3599 | /* used by the manager thread */ |
|
|
3600 | coro_state_destroy (aTHX_ coro); |
|
|
3601 | coro_call_on_destroy (aTHX_ coro); |
|
|
3602 | |
|
|
3603 | void |
|
|
3604 | terminate (...) |
|
|
3605 | CODE: |
|
|
3606 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
|
|
3607 | |
|
|
3608 | void |
|
|
3609 | cancel (...) |
|
|
3610 | CODE: |
|
|
3611 | CORO_EXECUTE_SLF_XS (slf_init_cancel); |
|
|
3612 | |
2902 | void |
3613 | void |
2903 | schedule (...) |
3614 | schedule (...) |
2904 | CODE: |
3615 | CODE: |
2905 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
3616 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
|
|
3617 | |
|
|
3618 | void |
|
|
3619 | schedule_to (...) |
|
|
3620 | CODE: |
|
|
3621 | CORO_EXECUTE_SLF_XS (slf_init_schedule_to); |
|
|
3622 | |
|
|
3623 | void |
|
|
3624 | cede_to (...) |
|
|
3625 | CODE: |
|
|
3626 | CORO_EXECUTE_SLF_XS (slf_init_cede_to); |
2906 | |
3627 | |
2907 | void |
3628 | void |
2908 | cede (...) |
3629 | cede (...) |
2909 | CODE: |
3630 | CODE: |
2910 | CORO_EXECUTE_SLF_XS (slf_init_cede); |
3631 | CORO_EXECUTE_SLF_XS (slf_init_cede); |
… | |
… | |
2924 | void |
3645 | void |
2925 | _set_readyhook (SV *hook) |
3646 | _set_readyhook (SV *hook) |
2926 | PROTOTYPE: $ |
3647 | PROTOTYPE: $ |
2927 | CODE: |
3648 | CODE: |
2928 | SvREFCNT_dec (coro_readyhook); |
3649 | SvREFCNT_dec (coro_readyhook); |
|
|
3650 | SvGETMAGIC (hook); |
|
|
3651 | if (SvOK (hook)) |
|
|
3652 | { |
2929 | coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0; |
3653 | coro_readyhook = newSVsv (hook); |
|
|
3654 | CORO_READYHOOK = invoke_sv_ready_hook_helper; |
|
|
3655 | } |
|
|
3656 | else |
|
|
3657 | { |
|
|
3658 | coro_readyhook = 0; |
|
|
3659 | CORO_READYHOOK = 0; |
|
|
3660 | } |
2930 | |
3661 | |
2931 | int |
3662 | int |
2932 | prio (Coro::State coro, int newprio = 0) |
3663 | prio (Coro::State coro, int newprio = 0) |
2933 | PROTOTYPE: $;$ |
3664 | PROTOTYPE: $;$ |
2934 | ALIAS: |
3665 | ALIAS: |
… | |
… | |
2940 | if (items > 1) |
3671 | if (items > 1) |
2941 | { |
3672 | { |
2942 | if (ix) |
3673 | if (ix) |
2943 | newprio = coro->prio - newprio; |
3674 | newprio = coro->prio - newprio; |
2944 | |
3675 | |
2945 | if (newprio < PRIO_MIN) newprio = PRIO_MIN; |
3676 | if (newprio < CORO_PRIO_MIN) newprio = CORO_PRIO_MIN; |
2946 | if (newprio > PRIO_MAX) newprio = PRIO_MAX; |
3677 | if (newprio > CORO_PRIO_MAX) newprio = CORO_PRIO_MAX; |
2947 | |
3678 | |
2948 | coro->prio = newprio; |
3679 | coro->prio = newprio; |
2949 | } |
3680 | } |
2950 | } |
3681 | } |
2951 | OUTPUT: |
3682 | OUTPUT: |
… | |
… | |
2965 | CODE: |
3696 | CODE: |
2966 | RETVAL = coro_nready; |
3697 | RETVAL = coro_nready; |
2967 | OUTPUT: |
3698 | OUTPUT: |
2968 | RETVAL |
3699 | RETVAL |
2969 | |
3700 | |
2970 | # for async_pool speedup |
|
|
2971 | void |
3701 | void |
2972 | _pool_1 (SV *cb) |
3702 | suspend (Coro::State self) |
|
|
3703 | PROTOTYPE: $ |
2973 | CODE: |
3704 | CODE: |
2974 | { |
3705 | self->flags |= CF_SUSPENDED; |
2975 | HV *hv = (HV *)SvRV (coro_current); |
|
|
2976 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
|
|
2977 | AV *defav = GvAV (PL_defgv); |
|
|
2978 | SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0); |
|
|
2979 | AV *invoke_av; |
|
|
2980 | int i, len; |
|
|
2981 | |
3706 | |
2982 | if (!invoke) |
3707 | void |
|
|
3708 | resume (Coro::State self) |
|
|
3709 | PROTOTYPE: $ |
|
|
3710 | CODE: |
|
|
3711 | self->flags &= ~CF_SUSPENDED; |
|
|
3712 | |
|
|
3713 | void |
|
|
3714 | _pool_handler (...) |
|
|
3715 | CODE: |
|
|
3716 | CORO_EXECUTE_SLF_XS (slf_init_pool_handler); |
|
|
3717 | |
|
|
3718 | void |
|
|
3719 | async_pool (SV *cv, ...) |
|
|
3720 | PROTOTYPE: &@ |
|
|
3721 | PPCODE: |
|
|
3722 | { |
|
|
3723 | HV *hv = (HV *)av_pop (av_async_pool); |
|
|
3724 | AV *av = newAV (); |
|
|
3725 | SV *cb = ST (0); |
|
|
3726 | int i; |
|
|
3727 | |
|
|
3728 | av_extend (av, items - 2); |
|
|
3729 | for (i = 1; i < items; ++i) |
|
|
3730 | av_push (av, SvREFCNT_inc_NN (ST (i))); |
|
|
3731 | |
|
|
3732 | if ((SV *)hv == &PL_sv_undef) |
2983 | { |
3733 | { |
2984 | SV *old = PL_diehook; |
3734 | SV *sv = coro_new (aTHX_ coro_stash, (SV **)&cv_pool_handler, 1, 1); |
2985 | PL_diehook = 0; |
3735 | hv = (HV *)SvREFCNT_inc_NN (SvRV (sv)); |
2986 | SvREFCNT_dec (old); |
3736 | SvREFCNT_dec (sv); |
2987 | croak ("\3async_pool terminate\2\n"); |
|
|
2988 | } |
3737 | } |
2989 | |
3738 | |
2990 | SvREFCNT_dec (coro->saved_deffh); |
|
|
2991 | coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv); |
|
|
2992 | |
|
|
2993 | hv_store (hv, "desc", sizeof ("desc") - 1, |
|
|
2994 | newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0); |
|
|
2995 | |
|
|
2996 | invoke_av = (AV *)SvRV (invoke); |
|
|
2997 | len = av_len (invoke_av); |
|
|
2998 | |
|
|
2999 | sv_setsv (cb, AvARRAY (invoke_av)[0]); |
|
|
3000 | |
|
|
3001 | if (len > 0) |
|
|
3002 | { |
3739 | { |
3003 | av_fill (defav, len - 1); |
3740 | struct coro *coro = SvSTATE_hv (hv); |
3004 | for (i = 0; i < len; ++i) |
3741 | |
3005 | av_store (defav, i, SvREFCNT_inc_NN (AvARRAY (invoke_av)[i + 1])); |
3742 | assert (!coro->invoke_cb); |
|
|
3743 | assert (!coro->invoke_av); |
|
|
3744 | coro->invoke_cb = SvREFCNT_inc (cb); |
|
|
3745 | coro->invoke_av = av; |
3006 | } |
3746 | } |
3007 | } |
|
|
3008 | |
3747 | |
3009 | void |
3748 | api_ready (aTHX_ (SV *)hv); |
3010 | _pool_2 (SV *cb) |
|
|
3011 | CODE: |
|
|
3012 | { |
|
|
3013 | HV *hv = (HV *)SvRV (coro_current); |
|
|
3014 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
|
|
3015 | |
3749 | |
3016 | sv_setsv (cb, &PL_sv_undef); |
3750 | if (GIMME_V != G_VOID) |
3017 | |
3751 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv))); |
3018 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
3752 | else |
3019 | coro->saved_deffh = 0; |
|
|
3020 | |
|
|
3021 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
|
|
3022 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
|
|
3023 | { |
|
|
3024 | SV *old = PL_diehook; |
|
|
3025 | PL_diehook = 0; |
|
|
3026 | SvREFCNT_dec (old); |
3753 | SvREFCNT_dec (hv); |
3027 | croak ("\3async_pool terminate\2\n"); |
|
|
3028 | } |
|
|
3029 | |
|
|
3030 | av_clear (GvAV (PL_defgv)); |
|
|
3031 | hv_store (hv, "desc", sizeof ("desc") - 1, |
|
|
3032 | newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0); |
|
|
3033 | |
|
|
3034 | coro->prio = 0; |
|
|
3035 | |
|
|
3036 | if (coro->cctx && (coro->cctx->flags & CC_TRACE)) |
|
|
3037 | api_trace (aTHX_ coro_current, 0); |
|
|
3038 | |
|
|
3039 | av_push (av_async_pool, newSVsv (coro_current)); |
|
|
3040 | } |
3754 | } |
3041 | |
3755 | |
3042 | SV * |
3756 | SV * |
3043 | rouse_cb () |
3757 | rouse_cb () |
3044 | PROTOTYPE: |
3758 | PROTOTYPE: |
… | |
… | |
3051 | rouse_wait (...) |
3765 | rouse_wait (...) |
3052 | PROTOTYPE: ;$ |
3766 | PROTOTYPE: ;$ |
3053 | PPCODE: |
3767 | PPCODE: |
3054 | CORO_EXECUTE_SLF_XS (slf_init_rouse_wait); |
3768 | CORO_EXECUTE_SLF_XS (slf_init_rouse_wait); |
3055 | |
3769 | |
|
|
3770 | void |
|
|
3771 | on_enter (SV *block) |
|
|
3772 | ALIAS: |
|
|
3773 | on_leave = 1 |
|
|
3774 | PROTOTYPE: & |
|
|
3775 | CODE: |
|
|
3776 | { |
|
|
3777 | struct coro *coro = SvSTATE_current; |
|
|
3778 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
|
|
3779 | |
|
|
3780 | block = s_get_cv_croak (block); |
|
|
3781 | |
|
|
3782 | if (!*avp) |
|
|
3783 | *avp = newAV (); |
|
|
3784 | |
|
|
3785 | av_push (*avp, SvREFCNT_inc (block)); |
|
|
3786 | |
|
|
3787 | if (!ix) |
|
|
3788 | on_enterleave_call (aTHX_ block); |
|
|
3789 | |
|
|
3790 | LEAVE; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */ |
|
|
3791 | SAVEDESTRUCTOR_X (ix ? coro_pop_on_leave : coro_pop_on_enter, (void *)coro); |
|
|
3792 | ENTER; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */ |
|
|
3793 | } |
|
|
3794 | |
3056 | |
3795 | |
3057 | MODULE = Coro::State PACKAGE = PerlIO::cede |
3796 | MODULE = Coro::State PACKAGE = PerlIO::cede |
3058 | |
3797 | |
3059 | BOOT: |
3798 | BOOT: |
3060 | PerlIO_define_layer (aTHX_ &PerlIO_cede); |
3799 | PerlIO_define_layer (aTHX_ &PerlIO_cede); |
… | |
… | |
3063 | MODULE = Coro::State PACKAGE = Coro::Semaphore |
3802 | MODULE = Coro::State PACKAGE = Coro::Semaphore |
3064 | |
3803 | |
3065 | SV * |
3804 | SV * |
3066 | new (SV *klass, SV *count = 0) |
3805 | new (SV *klass, SV *count = 0) |
3067 | CODE: |
3806 | CODE: |
|
|
3807 | { |
|
|
3808 | int semcnt = 1; |
|
|
3809 | |
|
|
3810 | if (count) |
|
|
3811 | { |
|
|
3812 | SvGETMAGIC (count); |
|
|
3813 | |
|
|
3814 | if (SvOK (count)) |
|
|
3815 | semcnt = SvIV (count); |
|
|
3816 | } |
|
|
3817 | |
3068 | RETVAL = sv_bless ( |
3818 | RETVAL = sv_bless ( |
3069 | coro_waitarray_new (aTHX_ count && SvOK (count) ? SvIV (count) : 1), |
3819 | coro_waitarray_new (aTHX_ semcnt), |
3070 | GvSTASH (CvGV (cv)) |
3820 | GvSTASH (CvGV (cv)) |
3071 | ); |
3821 | ); |
|
|
3822 | } |
3072 | OUTPUT: |
3823 | OUTPUT: |
3073 | RETVAL |
3824 | RETVAL |
3074 | |
3825 | |
3075 | # helper for Coro::Channel |
3826 | # helper for Coro::Channel and others |
3076 | SV * |
3827 | SV * |
3077 | _alloc (int count) |
3828 | _alloc (int count) |
3078 | CODE: |
3829 | CODE: |
3079 | RETVAL = coro_waitarray_new (aTHX_ count); |
3830 | RETVAL = coro_waitarray_new (aTHX_ count); |
3080 | OUTPUT: |
3831 | OUTPUT: |
… | |
… | |
3138 | for (i = 1; i <= wcount; ++i) |
3889 | for (i = 1; i <= wcount; ++i) |
3139 | PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i]))); |
3890 | PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i]))); |
3140 | } |
3891 | } |
3141 | } |
3892 | } |
3142 | |
3893 | |
|
|
3894 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
|
|
3895 | |
|
|
3896 | void |
|
|
3897 | _may_delete (SV *sem, int count, int extra_refs) |
|
|
3898 | PPCODE: |
|
|
3899 | { |
|
|
3900 | AV *av = (AV *)SvRV (sem); |
|
|
3901 | |
|
|
3902 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
|
|
3903 | && AvFILLp (av) == 0 /* no waiters, just count */ |
|
|
3904 | && SvIV (AvARRAY (av)[0]) == count) |
|
|
3905 | XSRETURN_YES; |
|
|
3906 | |
|
|
3907 | XSRETURN_NO; |
|
|
3908 | } |
|
|
3909 | |
3143 | MODULE = Coro::State PACKAGE = Coro::Signal |
3910 | MODULE = Coro::State PACKAGE = Coro::Signal |
3144 | |
3911 | |
3145 | SV * |
3912 | SV * |
3146 | new (SV *klass) |
3913 | new (SV *klass) |
3147 | CODE: |
3914 | CODE: |
… | |
… | |
3218 | |
3985 | |
3219 | void |
3986 | void |
3220 | _register (char *target, char *proto, SV *req) |
3987 | _register (char *target, char *proto, SV *req) |
3221 | CODE: |
3988 | CODE: |
3222 | { |
3989 | { |
3223 | CV *req_cv = coro_sv_2cv (req); |
3990 | SV *req_cv = s_get_cv_croak (req); |
3224 | /* newXSproto doesn't return the CV on 5.8 */ |
3991 | /* newXSproto doesn't return the CV on 5.8 */ |
3225 | CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__); |
3992 | CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__); |
3226 | sv_setpv ((SV *)slf_cv, proto); |
3993 | sv_setpv ((SV *)slf_cv, proto); |
3227 | sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0); |
3994 | sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0); |
3228 | } |
3995 | } |
3229 | |
3996 | |
|
|
3997 | MODULE = Coro::State PACKAGE = Coro::Select |
|
|
3998 | |
|
|
3999 | void |
|
|
4000 | patch_pp_sselect () |
|
|
4001 | CODE: |
|
|
4002 | if (!coro_old_pp_sselect) |
|
|
4003 | { |
|
|
4004 | coro_select_select = (SV *)get_cv ("Coro::Select::select", 0); |
|
|
4005 | coro_old_pp_sselect = PL_ppaddr [OP_SSELECT]; |
|
|
4006 | PL_ppaddr [OP_SSELECT] = coro_pp_sselect; |
|
|
4007 | } |
|
|
4008 | |
|
|
4009 | void |
|
|
4010 | unpatch_pp_sselect () |
|
|
4011 | CODE: |
|
|
4012 | if (coro_old_pp_sselect) |
|
|
4013 | { |
|
|
4014 | PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; |
|
|
4015 | coro_old_pp_sselect = 0; |
|
|
4016 | } |
|
|
4017 | |