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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); |
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131 | static void slf_destroy (pTHX_ struct coro *coro); |
163 | |
132 | |
164 | static U32 cctx_gen; |
133 | static U32 cctx_gen; |
165 | static size_t cctx_stacksize = CORO_STACKSIZE; |
134 | static size_t cctx_stacksize = CORO_STACKSIZE; |
166 | static struct CoroAPI coroapi; |
135 | static struct CoroAPI coroapi; |
167 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
136 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
168 | static JMPENV *main_top_env; |
137 | static JMPENV *main_top_env; |
169 | static HV *coro_state_stash, *coro_stash; |
138 | static HV *coro_state_stash, *coro_stash; |
170 | static volatile SV *coro_mortal; /* will be freed/thrown after next transfer */ |
139 | static volatile SV *coro_mortal; /* will be freed/thrown after next transfer */ |
171 | |
140 | |
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141 | static AV *av_destroy; /* destruction queue */ |
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142 | static SV *sv_manager; /* the manager coro */ |
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143 | static SV *sv_idle; /* $Coro::idle */ |
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144 | |
172 | static GV *irsgv; /* $/ */ |
145 | static GV *irsgv; /* $/ */ |
173 | static GV *stdoutgv; /* *STDOUT */ |
146 | static GV *stdoutgv; /* *STDOUT */ |
174 | static SV *rv_diehook; |
147 | static SV *rv_diehook; |
175 | static SV *rv_warnhook; |
148 | static SV *rv_warnhook; |
176 | static HV *hv_sig; /* %SIG */ |
149 | static HV *hv_sig; /* %SIG */ |
177 | |
150 | |
178 | /* async_pool helper stuff */ |
151 | /* async_pool helper stuff */ |
179 | static SV *sv_pool_rss; |
152 | static SV *sv_pool_rss; |
180 | static SV *sv_pool_size; |
153 | static SV *sv_pool_size; |
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154 | static SV *sv_async_pool_idle; /* description string */ |
181 | static AV *av_async_pool; |
155 | static AV *av_async_pool; /* idle pool */ |
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156 | static SV *sv_Coro; /* class string */ |
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157 | static CV *cv_pool_handler; |
182 | |
158 | |
183 | /* Coro::AnyEvent */ |
159 | /* Coro::AnyEvent */ |
184 | static SV *sv_activity; |
160 | static SV *sv_activity; |
185 | |
161 | |
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162 | /* enable processtime/realtime profiling */ |
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163 | static char enable_times; |
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164 | typedef U32 coro_ts[2]; |
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165 | static coro_ts time_real, time_cpu; |
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166 | static char times_valid; |
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167 | |
186 | static struct coro_cctx *cctx_first; |
168 | static struct coro_cctx *cctx_first; |
187 | static int cctx_count, cctx_idle; |
169 | static int cctx_count, cctx_idle; |
188 | |
170 | |
189 | enum { |
171 | enum |
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172 | { |
190 | CC_MAPPED = 0x01, |
173 | CC_MAPPED = 0x01, |
191 | CC_NOREUSE = 0x02, /* throw this away after tracing */ |
174 | CC_NOREUSE = 0x02, /* throw this away after tracing */ |
192 | CC_TRACE = 0x04, |
175 | CC_TRACE = 0x04, |
193 | CC_TRACE_SUB = 0x08, /* trace sub calls */ |
176 | CC_TRACE_SUB = 0x08, /* trace sub calls */ |
194 | CC_TRACE_LINE = 0x10, /* trace each statement */ |
177 | CC_TRACE_LINE = 0x10, /* trace each statement */ |
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215 | int valgrind_id; |
198 | int valgrind_id; |
216 | #endif |
199 | #endif |
217 | unsigned char flags; |
200 | unsigned char flags; |
218 | } coro_cctx; |
201 | } coro_cctx; |
219 | |
202 | |
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203 | static coro_cctx *cctx_current; /* the currently running cctx */ |
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204 | |
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205 | /*****************************************************************************/ |
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206 | |
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207 | static MGVTBL coro_state_vtbl; |
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208 | |
220 | enum { |
209 | enum |
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210 | { |
221 | CF_RUNNING = 0x0001, /* coroutine is running */ |
211 | CF_RUNNING = 0x0001, /* coroutine is running */ |
222 | CF_READY = 0x0002, /* coroutine is ready */ |
212 | CF_READY = 0x0002, /* coroutine is ready */ |
223 | CF_NEW = 0x0004, /* has never been switched to */ |
213 | CF_NEW = 0x0004, /* has never been switched to */ |
224 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
214 | CF_ZOMBIE = 0x0008, /* coroutine data has been freed */ |
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215 | CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */ |
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216 | CF_NOCANCEL = 0x0020, /* cannot cancel, set slf_frame.data to 1 (hackish) */ |
225 | }; |
217 | }; |
226 | |
218 | |
227 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
219 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
228 | typedef struct |
220 | typedef struct |
229 | { |
221 | { |
230 | SV *defsv; |
222 | SV *defsv; |
231 | AV *defav; |
223 | AV *defav; |
232 | SV *errsv; |
224 | SV *errsv; |
233 | SV *irsgv; |
225 | SV *irsgv; |
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226 | HV *hinthv; |
234 | #define VAR(name,type) type name; |
227 | #define VAR(name,type) type name; |
235 | # include "state.h" |
228 | # include "state.h" |
236 | #undef VAR |
229 | #undef VAR |
237 | } perl_slots; |
230 | } perl_slots; |
238 | |
231 | |
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232 | // how many context stack entries do we need for perl_slots |
239 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
233 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
240 | |
234 | |
241 | /* this is a structure representing a perl-level coroutine */ |
235 | /* this is a structure representing a perl-level coroutine */ |
242 | struct coro { |
236 | struct coro |
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237 | { |
243 | /* the C coroutine allocated to this perl coroutine, if any */ |
238 | /* the C coroutine allocated to this perl coroutine, if any */ |
244 | coro_cctx *cctx; |
239 | coro_cctx *cctx; |
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240 | |
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241 | /* ready queue */ |
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242 | struct coro *next_ready; |
245 | |
243 | |
246 | /* state data */ |
244 | /* state data */ |
247 | struct CoroSLF slf_frame; /* saved slf frame */ |
245 | struct CoroSLF slf_frame; /* saved slf frame */ |
248 | AV *mainstack; |
246 | AV *mainstack; |
249 | perl_slots *slot; /* basically the saved sp */ |
247 | perl_slots *slot; /* basically the saved sp */ |
250 | |
248 | |
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249 | CV *startcv; /* the CV to execute */ |
251 | AV *args; /* data associated with this coroutine (initial args) */ |
250 | AV *args; /* data associated with this coroutine (initial args) */ |
252 | int refcnt; /* coroutines are refcounted, yes */ |
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253 | int flags; /* CF_ flags */ |
251 | int flags; /* CF_ flags */ |
254 | HV *hv; /* the perl hash associated with this coro, if any */ |
252 | HV *hv; /* the perl hash associated with this coro, if any */ |
255 | void (*on_destroy)(pTHX_ struct coro *coro); |
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256 | |
253 | |
257 | /* statistics */ |
254 | /* statistics */ |
258 | int usecount; /* number of transfers to this coro */ |
255 | int usecount; /* number of transfers to this coro */ |
259 | |
256 | |
260 | /* coro process data */ |
257 | /* coro process data */ |
261 | int prio; |
258 | int prio; |
262 | SV *except; /* exception to be thrown */ |
259 | SV *except; /* exception to be thrown */ |
263 | SV *rouse_cb; |
260 | SV *rouse_cb; /* last rouse callback */ |
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261 | AV *on_destroy; /* callbacks or coros to notify on destroy */ |
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262 | AV *status; /* the exit status list */ |
264 | |
263 | |
265 | /* async_pool */ |
264 | /* async_pool */ |
266 | SV *saved_deffh; |
265 | SV *saved_deffh; |
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266 | SV *invoke_cb; |
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267 | AV *invoke_av; |
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268 | |
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269 | /* on_enter/on_leave */ |
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270 | AV *on_enter; |
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271 | AV *on_leave; |
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272 | |
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273 | /* swap_sv */ |
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274 | AV *swap_sv; |
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275 | |
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276 | /* times */ |
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277 | coro_ts t_cpu, t_real; |
267 | |
278 | |
268 | /* linked list */ |
279 | /* linked list */ |
269 | struct coro *next, *prev; |
280 | struct coro *next, *prev; |
270 | }; |
281 | }; |
271 | |
282 | |
272 | typedef struct coro *Coro__State; |
283 | typedef struct coro *Coro__State; |
273 | typedef struct coro *Coro__State_or_hashref; |
284 | typedef struct coro *Coro__State_or_hashref; |
274 | |
285 | |
275 | /* the following variables are effectively part of the perl context */ |
286 | /* the following variables are effectively part of the perl context */ |
276 | /* and get copied between struct coro and these variables */ |
287 | /* and get copied between struct coro and these variables */ |
277 | /* the mainr easonw e don't support windows process emulation */ |
288 | /* the main reason we don't support windows process emulation */ |
278 | static struct CoroSLF slf_frame; /* the current slf frame */ |
289 | static struct CoroSLF slf_frame; /* the current slf frame */ |
279 | |
290 | |
280 | /** Coro ********************************************************************/ |
291 | /** Coro ********************************************************************/ |
281 | |
292 | |
282 | #define PRIO_MAX 3 |
293 | #define CORO_PRIO_MAX 3 |
283 | #define PRIO_HIGH 1 |
294 | #define CORO_PRIO_HIGH 1 |
284 | #define PRIO_NORMAL 0 |
295 | #define CORO_PRIO_NORMAL 0 |
285 | #define PRIO_LOW -1 |
296 | #define CORO_PRIO_LOW -1 |
286 | #define PRIO_IDLE -3 |
297 | #define CORO_PRIO_IDLE -3 |
287 | #define PRIO_MIN -4 |
298 | #define CORO_PRIO_MIN -4 |
288 | |
299 | |
289 | /* for Coro.pm */ |
300 | /* for Coro.pm */ |
290 | static SV *coro_current; |
301 | static SV *coro_current; |
291 | static SV *coro_readyhook; |
302 | static SV *coro_readyhook; |
292 | static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1]; |
303 | static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ |
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304 | static CV *cv_coro_run; |
293 | static struct coro *coro_first; |
305 | static struct coro *coro_first; |
294 | #define coro_nready coroapi.nready |
306 | #define coro_nready coroapi.nready |
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307 | |
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308 | /** Coro::Select ************************************************************/ |
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309 | |
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310 | static OP *(*coro_old_pp_sselect) (pTHX); |
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311 | static SV *coro_select_select; |
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312 | |
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313 | /* horrible hack, but if it works... */ |
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314 | static OP * |
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315 | coro_pp_sselect (pTHX) |
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316 | { |
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317 | dSP; |
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318 | PUSHMARK (SP - 4); /* fake argument list */ |
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319 | XPUSHs (coro_select_select); |
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320 | PUTBACK; |
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321 | |
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322 | /* entersub is an UNOP, select a LISTOP... keep your fingers crossed */ |
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323 | PL_op->op_flags |= OPf_STACKED; |
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324 | PL_op->op_private = 0; |
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325 | return PL_ppaddr [OP_ENTERSUB](aTHX); |
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326 | } |
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327 | |
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328 | /** time stuff **************************************************************/ |
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329 | |
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330 | #ifdef HAS_GETTIMEOFDAY |
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331 | |
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332 | static void |
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333 | coro_u2time (pTHX_ UV ret[2]) |
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334 | { |
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335 | struct timeval tv; |
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336 | gettimeofday (&tv, 0); |
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337 | |
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338 | ret [0] = tv.tv_sec; |
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339 | ret [1] = tv.tv_usec; |
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340 | } |
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341 | |
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342 | static double |
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343 | coro_nvtime () |
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344 | { |
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345 | struct timeval tv; |
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346 | gettimeofday (&tv, 0); |
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347 | |
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348 | return tv.tv_sec + tv.tv_usec * 1e-6; |
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349 | } |
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350 | |
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351 | static void |
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352 | time_init (pTHX) |
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353 | { |
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354 | nvtime = coro_nvtime; |
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355 | u2time = coro_u2time; |
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356 | } |
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357 | |
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358 | #else |
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359 | |
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360 | static void |
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361 | time_init (pTHX) |
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362 | { |
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363 | SV **svp; |
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364 | |
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365 | require_pv ("Time/HiRes.pm"); |
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366 | |
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367 | svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
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368 | |
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369 | if (!svp) croak ("Time::HiRes is required, but missing. Caught"); |
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370 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer. Caught"); |
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371 | |
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372 | nvtime = INT2PTR (double (*)(), SvIV (*svp)); |
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373 | |
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374 | svp = hv_fetch (PL_modglobal, "Time::U2time", 12, 0); |
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375 | u2time = INT2PTR (void (*)(pTHX_ UV ret[2]), SvIV (*svp)); |
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376 | } |
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377 | |
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378 | #endif |
295 | |
379 | |
296 | /** lowlevel stuff **********************************************************/ |
380 | /** lowlevel stuff **********************************************************/ |
297 | |
381 | |
298 | static SV * |
382 | static SV * |
299 | coro_get_sv (pTHX_ const char *name, int create) |
383 | coro_get_sv (pTHX_ const char *name, int create) |
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… | |
323 | get_hv (name, create); |
407 | get_hv (name, create); |
324 | #endif |
408 | #endif |
325 | return get_hv (name, create); |
409 | return get_hv (name, create); |
326 | } |
410 | } |
327 | |
411 | |
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412 | INLINE void |
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413 | coro_times_update () |
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414 | { |
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415 | #ifdef coro_clock_gettime |
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416 | struct timespec ts; |
|
|
417 | |
|
|
418 | ts.tv_sec = ts.tv_nsec = 0; |
|
|
419 | coro_clock_gettime (CORO_CLOCK_THREAD_CPUTIME_ID, &ts); |
|
|
420 | time_cpu [0] = ts.tv_sec; time_cpu [1] = ts.tv_nsec; |
|
|
421 | |
|
|
422 | ts.tv_sec = ts.tv_nsec = 0; |
|
|
423 | coro_clock_gettime (CORO_CLOCK_MONOTONIC, &ts); |
|
|
424 | time_real [0] = ts.tv_sec; time_real [1] = ts.tv_nsec; |
|
|
425 | #else |
|
|
426 | dTHX; |
|
|
427 | UV tv[2]; |
|
|
428 | |
|
|
429 | u2time (aTHX_ tv); |
|
|
430 | time_real [0] = tv [0]; |
|
|
431 | time_real [1] = tv [1] * 1000; |
|
|
432 | #endif |
|
|
433 | } |
|
|
434 | |
|
|
435 | INLINE void |
|
|
436 | coro_times_add (struct coro *c) |
|
|
437 | { |
|
|
438 | c->t_real [1] += time_real [1]; |
|
|
439 | if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } |
|
|
440 | c->t_real [0] += time_real [0]; |
|
|
441 | |
|
|
442 | c->t_cpu [1] += time_cpu [1]; |
|
|
443 | if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } |
|
|
444 | c->t_cpu [0] += time_cpu [0]; |
|
|
445 | } |
|
|
446 | |
|
|
447 | INLINE void |
|
|
448 | coro_times_sub (struct coro *c) |
|
|
449 | { |
|
|
450 | if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } |
|
|
451 | c->t_real [1] -= time_real [1]; |
|
|
452 | c->t_real [0] -= time_real [0]; |
|
|
453 | |
|
|
454 | if (c->t_cpu [1] < time_cpu [1]) { c->t_cpu [1] += 1000000000; --c->t_cpu [0]; } |
|
|
455 | c->t_cpu [1] -= time_cpu [1]; |
|
|
456 | c->t_cpu [0] -= time_cpu [0]; |
|
|
457 | } |
|
|
458 | |
|
|
459 | /*****************************************************************************/ |
|
|
460 | /* magic glue */ |
|
|
461 | |
|
|
462 | #define CORO_MAGIC_type_cv 26 |
|
|
463 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
|
|
464 | |
|
|
465 | #define CORO_MAGIC_NN(sv, type) \ |
|
|
466 | (expect_true (SvMAGIC (sv)->mg_type == type) \ |
|
|
467 | ? SvMAGIC (sv) \ |
|
|
468 | : mg_find (sv, type)) |
|
|
469 | |
|
|
470 | #define CORO_MAGIC(sv, type) \ |
|
|
471 | (expect_true (SvMAGIC (sv)) \ |
|
|
472 | ? CORO_MAGIC_NN (sv, type) \ |
|
|
473 | : 0) |
|
|
474 | |
|
|
475 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
|
|
476 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
|
|
477 | |
|
|
478 | INLINE MAGIC * |
|
|
479 | SvSTATEhv_p (pTHX_ SV *coro) |
|
|
480 | { |
|
|
481 | MAGIC *mg; |
|
|
482 | |
|
|
483 | if (expect_true ( |
|
|
484 | SvTYPE (coro) == SVt_PVHV |
|
|
485 | && (mg = CORO_MAGIC_state (coro)) |
|
|
486 | && mg->mg_virtual == &coro_state_vtbl |
|
|
487 | )) |
|
|
488 | return mg; |
|
|
489 | |
|
|
490 | return 0; |
|
|
491 | } |
|
|
492 | |
|
|
493 | INLINE struct coro * |
|
|
494 | SvSTATE_ (pTHX_ SV *coro) |
|
|
495 | { |
|
|
496 | MAGIC *mg; |
|
|
497 | |
|
|
498 | if (SvROK (coro)) |
|
|
499 | coro = SvRV (coro); |
|
|
500 | |
|
|
501 | mg = SvSTATEhv_p (coro); |
|
|
502 | if (!mg) |
|
|
503 | croak ("Coro::State object required"); |
|
|
504 | |
|
|
505 | return (struct coro *)mg->mg_ptr; |
|
|
506 | } |
|
|
507 | |
|
|
508 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
|
|
509 | |
|
|
510 | /* faster than SvSTATE, but expects a coroutine hv */ |
|
|
511 | #define SvSTATE_hv(hv) ((struct coro *)CORO_MAGIC_NN ((SV *)hv, CORO_MAGIC_type_state)->mg_ptr) |
|
|
512 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
|
|
513 | |
|
|
514 | /*****************************************************************************/ |
|
|
515 | /* padlist management and caching */ |
|
|
516 | |
328 | static AV * |
517 | static AV * |
329 | coro_clone_padlist (pTHX_ CV *cv) |
518 | coro_derive_padlist (pTHX_ CV *cv) |
330 | { |
519 | { |
331 | AV *padlist = CvPADLIST (cv); |
520 | AV *padlist = CvPADLIST (cv); |
332 | AV *newpadlist, *newpad; |
521 | AV *newpadlist, *newpad; |
333 | |
522 | |
334 | newpadlist = newAV (); |
523 | newpadlist = newAV (); |
… | |
… | |
339 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
528 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
340 | #endif |
529 | #endif |
341 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
530 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
342 | --AvFILLp (padlist); |
531 | --AvFILLp (padlist); |
343 | |
532 | |
344 | av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE))); |
533 | av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0])); |
345 | av_store (newpadlist, 1, (SV *)newpad); |
534 | av_store (newpadlist, 1, (SV *)newpad); |
346 | |
535 | |
347 | return newpadlist; |
536 | return newpadlist; |
348 | } |
537 | } |
349 | |
538 | |
350 | static void |
539 | static void |
351 | free_padlist (pTHX_ AV *padlist) |
540 | free_padlist (pTHX_ AV *padlist) |
352 | { |
541 | { |
353 | /* may be during global destruction */ |
542 | /* may be during global destruction */ |
354 | if (SvREFCNT (padlist)) |
543 | if (!IN_DESTRUCT) |
355 | { |
544 | { |
356 | I32 i = AvFILLp (padlist); |
545 | I32 i = AvFILLp (padlist); |
357 | while (i >= 0) |
546 | |
|
|
547 | while (i > 0) /* special-case index 0 */ |
358 | { |
548 | { |
359 | SV **svp = av_fetch (padlist, i--, FALSE); |
549 | /* we try to be extra-careful here */ |
360 | if (svp) |
550 | AV *av = (AV *)AvARRAY (padlist)[i--]; |
361 | { |
551 | I32 j = AvFILLp (av); |
362 | SV *sv; |
552 | |
363 | while (&PL_sv_undef != (sv = av_pop ((AV *)*svp))) |
553 | while (j >= 0) |
|
|
554 | SvREFCNT_dec (AvARRAY (av)[j--]); |
|
|
555 | |
|
|
556 | AvFILLp (av) = -1; |
364 | SvREFCNT_dec (sv); |
557 | SvREFCNT_dec (av); |
365 | |
|
|
366 | SvREFCNT_dec (*svp); |
|
|
367 | } |
|
|
368 | } |
558 | } |
369 | |
559 | |
|
|
560 | SvREFCNT_dec (AvARRAY (padlist)[0]); |
|
|
561 | |
|
|
562 | AvFILLp (padlist) = -1; |
370 | SvREFCNT_dec ((SV*)padlist); |
563 | SvREFCNT_dec ((SV*)padlist); |
371 | } |
564 | } |
372 | } |
565 | } |
373 | |
566 | |
374 | static int |
567 | static int |
375 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
568 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
376 | { |
569 | { |
377 | AV *padlist; |
570 | AV *padlist; |
378 | AV *av = (AV *)mg->mg_obj; |
571 | AV *av = (AV *)mg->mg_obj; |
|
|
572 | |
|
|
573 | /* perl manages to free our internal AV and _then_ call us */ |
|
|
574 | if (IN_DESTRUCT) |
|
|
575 | return 0; |
379 | |
576 | |
380 | /* casting is fun. */ |
577 | /* casting is fun. */ |
381 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
578 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
382 | free_padlist (aTHX_ padlist); |
579 | free_padlist (aTHX_ padlist); |
383 | |
580 | |
384 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
581 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
385 | |
582 | |
386 | return 0; |
583 | return 0; |
387 | } |
584 | } |
388 | |
|
|
389 | #define CORO_MAGIC_type_cv 26 |
|
|
390 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
|
|
391 | |
585 | |
392 | static MGVTBL coro_cv_vtbl = { |
586 | static MGVTBL coro_cv_vtbl = { |
393 | 0, 0, 0, 0, |
587 | 0, 0, 0, 0, |
394 | coro_cv_free |
588 | coro_cv_free |
395 | }; |
589 | }; |
396 | |
|
|
397 | #define CORO_MAGIC_NN(sv, type) \ |
|
|
398 | (expect_true (SvMAGIC (sv)->mg_type == type) \ |
|
|
399 | ? SvMAGIC (sv) \ |
|
|
400 | : mg_find (sv, type)) |
|
|
401 | |
|
|
402 | #define CORO_MAGIC(sv, type) \ |
|
|
403 | (expect_true (SvMAGIC (sv)) \ |
|
|
404 | ? CORO_MAGIC_NN (sv, type) \ |
|
|
405 | : 0) |
|
|
406 | |
|
|
407 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
|
|
408 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
|
|
409 | |
|
|
410 | INLINE struct coro * |
|
|
411 | SvSTATE_ (pTHX_ SV *coro) |
|
|
412 | { |
|
|
413 | HV *stash; |
|
|
414 | MAGIC *mg; |
|
|
415 | |
|
|
416 | if (SvROK (coro)) |
|
|
417 | coro = SvRV (coro); |
|
|
418 | |
|
|
419 | if (expect_false (SvTYPE (coro) != SVt_PVHV)) |
|
|
420 | croak ("Coro::State object required"); |
|
|
421 | |
|
|
422 | stash = SvSTASH (coro); |
|
|
423 | if (expect_false (stash != coro_stash && stash != coro_state_stash)) |
|
|
424 | { |
|
|
425 | /* very slow, but rare, check */ |
|
|
426 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
|
|
427 | croak ("Coro::State object required"); |
|
|
428 | } |
|
|
429 | |
|
|
430 | mg = CORO_MAGIC_state (coro); |
|
|
431 | return (struct coro *)mg->mg_ptr; |
|
|
432 | } |
|
|
433 | |
|
|
434 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
|
|
435 | |
|
|
436 | /* faster than SvSTATE, but expects a coroutine hv */ |
|
|
437 | #define SvSTATE_hv(hv) ((struct coro *)CORO_MAGIC_NN ((SV *)hv, CORO_MAGIC_type_state)->mg_ptr) |
|
|
438 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
|
|
439 | |
590 | |
440 | /* the next two functions merely cache the padlists */ |
591 | /* the next two functions merely cache the padlists */ |
441 | static void |
592 | static void |
442 | get_padlist (pTHX_ CV *cv) |
593 | get_padlist (pTHX_ CV *cv) |
443 | { |
594 | { |
… | |
… | |
454 | CV *cp = Perl_cv_clone (aTHX_ cv); |
605 | CV *cp = Perl_cv_clone (aTHX_ cv); |
455 | CvPADLIST (cv) = CvPADLIST (cp); |
606 | CvPADLIST (cv) = CvPADLIST (cp); |
456 | CvPADLIST (cp) = 0; |
607 | CvPADLIST (cp) = 0; |
457 | SvREFCNT_dec (cp); |
608 | SvREFCNT_dec (cp); |
458 | #else |
609 | #else |
459 | CvPADLIST (cv) = coro_clone_padlist (aTHX_ cv); |
610 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
460 | #endif |
611 | #endif |
461 | } |
612 | } |
462 | } |
613 | } |
463 | |
614 | |
464 | static void |
615 | static void |
… | |
… | |
471 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
622 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
472 | |
623 | |
473 | av = (AV *)mg->mg_obj; |
624 | av = (AV *)mg->mg_obj; |
474 | |
625 | |
475 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
626 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
476 | av_extend (av, AvMAX (av) + 1); |
627 | av_extend (av, AvFILLp (av) + 1); |
477 | |
628 | |
478 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
629 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
479 | } |
630 | } |
480 | |
631 | |
481 | /** load & save, init *******************************************************/ |
632 | /** load & save, init *******************************************************/ |
|
|
633 | |
|
|
634 | /* swap sv heads, at least logically */ |
|
|
635 | static void |
|
|
636 | swap_svs (pTHX_ Coro__State c) |
|
|
637 | { |
|
|
638 | int i; |
|
|
639 | |
|
|
640 | for (i = 0; i <= AvFILLp (c->swap_sv); ) |
|
|
641 | { |
|
|
642 | SV *a = AvARRAY (c->swap_sv)[i++]; |
|
|
643 | SV *b = AvARRAY (c->swap_sv)[i++]; |
|
|
644 | |
|
|
645 | const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */ |
|
|
646 | SV tmp; |
|
|
647 | |
|
|
648 | /* swap sv_any */ |
|
|
649 | SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp); |
|
|
650 | |
|
|
651 | /* swap sv_flags */ |
|
|
652 | SvFLAGS (&tmp) = SvFLAGS (a); |
|
|
653 | SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep); |
|
|
654 | SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep); |
|
|
655 | |
|
|
656 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
657 | /* perl 5.10 complicates this _quite_ a bit, but it also is |
|
|
658 | * much faster, so no quarrels here. alternatively, we could |
|
|
659 | * sv_upgrade to avoid this. |
|
|
660 | */ |
|
|
661 | { |
|
|
662 | /* swap sv_u */ |
|
|
663 | tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u; |
|
|
664 | |
|
|
665 | /* if SvANY points to the head, we need to adjust the pointers, |
|
|
666 | * as the pointer for a still points to b, and maybe vice versa. |
|
|
667 | */ |
|
|
668 | #define svany_in_head(type) \ |
|
|
669 | (((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type))) |
|
|
670 | |
|
|
671 | if (svany_in_head (SvTYPE (a))) |
|
|
672 | SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a); |
|
|
673 | |
|
|
674 | if (svany_in_head (SvTYPE (b))) |
|
|
675 | SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b); |
|
|
676 | } |
|
|
677 | #endif |
|
|
678 | } |
|
|
679 | } |
|
|
680 | |
|
|
681 | #define SWAP_SVS(coro) \ |
|
|
682 | if (expect_false ((coro)->swap_sv)) \ |
|
|
683 | swap_svs (aTHX_ (coro)) |
|
|
684 | |
|
|
685 | static void |
|
|
686 | on_enterleave_call (pTHX_ SV *cb); |
482 | |
687 | |
483 | static void |
688 | static void |
484 | load_perl (pTHX_ Coro__State c) |
689 | load_perl (pTHX_ Coro__State c) |
485 | { |
690 | { |
486 | perl_slots *slot = c->slot; |
691 | perl_slots *slot = c->slot; |
487 | c->slot = 0; |
692 | c->slot = 0; |
488 | |
693 | |
489 | PL_mainstack = c->mainstack; |
694 | PL_mainstack = c->mainstack; |
490 | |
695 | |
491 | GvSV (PL_defgv) = slot->defsv; |
696 | GvSV (PL_defgv) = slot->defsv; |
492 | GvAV (PL_defgv) = slot->defav; |
697 | GvAV (PL_defgv) = slot->defav; |
493 | GvSV (PL_errgv) = slot->errsv; |
698 | GvSV (PL_errgv) = slot->errsv; |
494 | GvSV (irsgv) = slot->irsgv; |
699 | GvSV (irsgv) = slot->irsgv; |
|
|
700 | GvHV (PL_hintgv) = slot->hinthv; |
495 | |
701 | |
496 | #define VAR(name,type) PL_ ## name = slot->name; |
702 | #define VAR(name,type) PL_ ## name = slot->name; |
497 | # include "state.h" |
703 | # include "state.h" |
498 | #undef VAR |
704 | #undef VAR |
499 | |
705 | |
… | |
… | |
513 | PUTBACK; |
719 | PUTBACK; |
514 | } |
720 | } |
515 | |
721 | |
516 | slf_frame = c->slf_frame; |
722 | slf_frame = c->slf_frame; |
517 | CORO_THROW = c->except; |
723 | CORO_THROW = c->except; |
|
|
724 | |
|
|
725 | if (expect_false (enable_times)) |
|
|
726 | { |
|
|
727 | if (expect_false (!times_valid)) |
|
|
728 | coro_times_update (); |
|
|
729 | |
|
|
730 | coro_times_sub (c); |
|
|
731 | } |
|
|
732 | |
|
|
733 | if (expect_false (c->on_enter)) |
|
|
734 | { |
|
|
735 | int i; |
|
|
736 | |
|
|
737 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
|
|
738 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
|
|
739 | } |
|
|
740 | |
|
|
741 | SWAP_SVS (c); |
518 | } |
742 | } |
519 | |
743 | |
520 | static void |
744 | static void |
521 | save_perl (pTHX_ Coro__State c) |
745 | save_perl (pTHX_ Coro__State c) |
522 | { |
746 | { |
|
|
747 | SWAP_SVS (c); |
|
|
748 | |
|
|
749 | if (expect_false (c->on_leave)) |
|
|
750 | { |
|
|
751 | int i; |
|
|
752 | |
|
|
753 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
|
|
754 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
|
|
755 | } |
|
|
756 | |
|
|
757 | times_valid = 0; |
|
|
758 | |
|
|
759 | if (expect_false (enable_times)) |
|
|
760 | { |
|
|
761 | coro_times_update (); times_valid = 1; |
|
|
762 | coro_times_add (c); |
|
|
763 | } |
|
|
764 | |
523 | c->except = CORO_THROW; |
765 | c->except = CORO_THROW; |
524 | c->slf_frame = slf_frame; |
766 | c->slf_frame = slf_frame; |
525 | |
767 | |
526 | { |
768 | { |
527 | dSP; |
769 | dSP; |
… | |
… | |
540 | { |
782 | { |
541 | while (expect_true (cxix >= 0)) |
783 | while (expect_true (cxix >= 0)) |
542 | { |
784 | { |
543 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
785 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
544 | |
786 | |
545 | if (expect_true (CxTYPE (cx) == CXt_SUB || CxTYPE (cx) == CXt_FORMAT)) |
787 | if (expect_true (CxTYPE (cx) == CXt_SUB) || expect_false (CxTYPE (cx) == CXt_FORMAT)) |
546 | { |
788 | { |
547 | CV *cv = cx->blk_sub.cv; |
789 | CV *cv = cx->blk_sub.cv; |
548 | |
790 | |
549 | if (expect_true (CvDEPTH (cv))) |
791 | if (expect_true (CvDEPTH (cv))) |
550 | { |
792 | { |
… | |
… | |
569 | |
811 | |
570 | PUTBACK; |
812 | PUTBACK; |
571 | } |
813 | } |
572 | |
814 | |
573 | /* allocate some space on the context stack for our purposes */ |
815 | /* allocate some space on the context stack for our purposes */ |
574 | /* we manually unroll here, as usually 2 slots is enough */ |
816 | if (expect_false (cxstack_ix + SLOT_COUNT >= cxstack_max)) |
575 | if (SLOT_COUNT >= 1) CXINC; |
|
|
576 | if (SLOT_COUNT >= 2) CXINC; |
|
|
577 | if (SLOT_COUNT >= 3) CXINC; |
|
|
578 | { |
817 | { |
579 | int i; |
818 | unsigned int i; |
|
|
819 | |
580 | for (i = 3; i < SLOT_COUNT; ++i) |
820 | for (i = 0; i < SLOT_COUNT; ++i) |
581 | CXINC; |
821 | CXINC; |
582 | } |
822 | |
583 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
823 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
|
|
824 | } |
584 | |
825 | |
585 | c->mainstack = PL_mainstack; |
826 | c->mainstack = PL_mainstack; |
586 | |
827 | |
587 | { |
828 | { |
588 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
829 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
589 | |
830 | |
590 | slot->defav = GvAV (PL_defgv); |
831 | slot->defav = GvAV (PL_defgv); |
591 | slot->defsv = DEFSV; |
832 | slot->defsv = DEFSV; |
592 | slot->errsv = ERRSV; |
833 | slot->errsv = ERRSV; |
593 | slot->irsgv = GvSV (irsgv); |
834 | slot->irsgv = GvSV (irsgv); |
|
|
835 | slot->hinthv = GvHV (PL_hintgv); |
594 | |
836 | |
595 | #define VAR(name,type) slot->name = PL_ ## name; |
837 | #define VAR(name,type) slot->name = PL_ ## name; |
596 | # include "state.h" |
838 | # include "state.h" |
597 | #undef VAR |
839 | #undef VAR |
598 | } |
840 | } |
… | |
… | |
608 | # define coro_init_stacks(thx) init_stacks () |
850 | # define coro_init_stacks(thx) init_stacks () |
609 | #else |
851 | #else |
610 | static void |
852 | static void |
611 | coro_init_stacks (pTHX) |
853 | coro_init_stacks (pTHX) |
612 | { |
854 | { |
613 | PL_curstackinfo = new_stackinfo(32, 8); |
855 | PL_curstackinfo = new_stackinfo(32, 4 + SLOT_COUNT); /* 3 is minimum due to perl rounding down in scope.c:GROW() */ |
614 | PL_curstackinfo->si_type = PERLSI_MAIN; |
856 | PL_curstackinfo->si_type = PERLSI_MAIN; |
615 | PL_curstack = PL_curstackinfo->si_stack; |
857 | PL_curstack = PL_curstackinfo->si_stack; |
616 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
858 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
617 | |
859 | |
618 | PL_stack_base = AvARRAY(PL_curstack); |
860 | PL_stack_base = AvARRAY(PL_curstack); |
… | |
… | |
676 | #if !PERL_VERSION_ATLEAST (5,10,0) |
918 | #if !PERL_VERSION_ATLEAST (5,10,0) |
677 | Safefree (PL_retstack); |
919 | Safefree (PL_retstack); |
678 | #endif |
920 | #endif |
679 | } |
921 | } |
680 | |
922 | |
|
|
923 | #define CORO_RSS \ |
|
|
924 | rss += sizeof (SYM (curstackinfo)); \ |
|
|
925 | rss += (SYM (curstackinfo->si_cxmax) + 1) * sizeof (PERL_CONTEXT); \ |
|
|
926 | rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (SYM (curstack))) * sizeof (SV *); \ |
|
|
927 | rss += SYM (tmps_max) * sizeof (SV *); \ |
|
|
928 | rss += (SYM (markstack_max) - SYM (markstack_ptr)) * sizeof (I32); \ |
|
|
929 | rss += SYM (scopestack_max) * sizeof (I32); \ |
|
|
930 | rss += SYM (savestack_max) * sizeof (ANY); |
|
|
931 | |
681 | static size_t |
932 | static size_t |
682 | coro_rss (pTHX_ struct coro *coro) |
933 | coro_rss (pTHX_ struct coro *coro) |
683 | { |
934 | { |
684 | size_t rss = sizeof (*coro); |
935 | size_t rss = sizeof (*coro); |
685 | |
936 | |
686 | if (coro->mainstack) |
937 | if (coro->mainstack) |
687 | { |
938 | { |
688 | perl_slots tmp_slot; |
|
|
689 | perl_slots *slot; |
|
|
690 | |
|
|
691 | if (coro->flags & CF_RUNNING) |
939 | if (coro->flags & CF_RUNNING) |
692 | { |
940 | { |
693 | slot = &tmp_slot; |
941 | #define SYM(sym) PL_ ## sym |
694 | |
942 | CORO_RSS; |
695 | #define VAR(name,type) slot->name = PL_ ## name; |
|
|
696 | # include "state.h" |
|
|
697 | #undef VAR |
943 | #undef SYM |
698 | } |
944 | } |
699 | else |
945 | else |
700 | slot = coro->slot; |
|
|
701 | |
|
|
702 | if (slot) |
|
|
703 | { |
946 | { |
704 | rss += sizeof (slot->curstackinfo); |
947 | #define SYM(sym) coro->slot->sym |
705 | rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT); |
948 | CORO_RSS; |
706 | rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *); |
949 | #undef SYM |
707 | rss += slot->tmps_max * sizeof (SV *); |
|
|
708 | rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32); |
|
|
709 | rss += slot->scopestack_max * sizeof (I32); |
|
|
710 | rss += slot->savestack_max * sizeof (ANY); |
|
|
711 | |
|
|
712 | #if !PERL_VERSION_ATLEAST (5,10,0) |
|
|
713 | rss += slot->retstack_max * sizeof (OP *); |
|
|
714 | #endif |
|
|
715 | } |
950 | } |
716 | } |
951 | } |
717 | |
952 | |
718 | return rss; |
953 | return rss; |
719 | } |
954 | } |
… | |
… | |
732 | #endif |
967 | #endif |
733 | |
968 | |
734 | /* |
969 | /* |
735 | * This overrides the default magic get method of %SIG elements. |
970 | * This overrides the default magic get method of %SIG elements. |
736 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
971 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
737 | * and instead of tryign to save and restore the hash elements, we just provide |
972 | * and instead of trying to save and restore the hash elements, we just provide |
738 | * readback here. |
973 | * readback here. |
739 | * We only do this when the hook is != 0, as they are often set to 0 temporarily, |
|
|
740 | * not expecting this to actually change the hook. This is a potential problem |
|
|
741 | * when a schedule happens then, but we ignore this. |
|
|
742 | */ |
974 | */ |
743 | static int |
975 | static int |
744 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
976 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
745 | { |
977 | { |
746 | const char *s = MgPV_nolen_const (mg); |
978 | const char *s = MgPV_nolen_const (mg); |
… | |
… | |
799 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
1031 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
800 | |
1032 | |
801 | if (svp) |
1033 | if (svp) |
802 | { |
1034 | { |
803 | SV *old = *svp; |
1035 | SV *old = *svp; |
804 | *svp = newSVsv (sv); |
1036 | *svp = SvOK (sv) ? newSVsv (sv) : 0; |
805 | SvREFCNT_dec (old); |
1037 | SvREFCNT_dec (old); |
806 | return 0; |
1038 | return 0; |
807 | } |
1039 | } |
808 | } |
1040 | } |
809 | |
1041 | |
… | |
… | |
821 | slf_check_nop (pTHX_ struct CoroSLF *frame) |
1053 | slf_check_nop (pTHX_ struct CoroSLF *frame) |
822 | { |
1054 | { |
823 | return 0; |
1055 | return 0; |
824 | } |
1056 | } |
825 | |
1057 | |
826 | static UNOP coro_setup_op; |
1058 | static int |
|
|
1059 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
|
|
1060 | { |
|
|
1061 | return 1; |
|
|
1062 | } |
|
|
1063 | |
|
|
1064 | static UNOP init_perl_op; |
827 | |
1065 | |
828 | static void NOINLINE /* noinline to keep it out of the transfer fast path */ |
1066 | static void NOINLINE /* noinline to keep it out of the transfer fast path */ |
829 | coro_setup (pTHX_ struct coro *coro) |
1067 | init_perl (pTHX_ struct coro *coro) |
830 | { |
1068 | { |
831 | /* |
1069 | /* |
832 | * emulate part of the perl startup here. |
1070 | * emulate part of the perl startup here. |
833 | */ |
1071 | */ |
834 | coro_init_stacks (aTHX); |
1072 | coro_init_stacks (aTHX); |
835 | |
1073 | |
836 | PL_runops = RUNOPS_DEFAULT; |
1074 | PL_runops = RUNOPS_DEFAULT; |
837 | PL_curcop = &PL_compiling; |
1075 | PL_curcop = &PL_compiling; |
838 | PL_in_eval = EVAL_NULL; |
1076 | PL_in_eval = EVAL_NULL; |
839 | PL_comppad = 0; |
1077 | PL_comppad = 0; |
|
|
1078 | PL_comppad_name = 0; |
|
|
1079 | PL_comppad_name_fill = 0; |
|
|
1080 | PL_comppad_name_floor = 0; |
840 | PL_curpm = 0; |
1081 | PL_curpm = 0; |
841 | PL_curpad = 0; |
1082 | PL_curpad = 0; |
842 | PL_localizing = 0; |
1083 | PL_localizing = 0; |
843 | PL_dirty = 0; |
|
|
844 | PL_restartop = 0; |
1084 | PL_restartop = 0; |
845 | #if PERL_VERSION_ATLEAST (5,10,0) |
1085 | #if PERL_VERSION_ATLEAST (5,10,0) |
846 | PL_parser = 0; |
1086 | PL_parser = 0; |
847 | #endif |
1087 | #endif |
|
|
1088 | PL_hints = 0; |
848 | |
1089 | |
849 | /* recreate the die/warn hooks */ |
1090 | /* recreate the die/warn hooks */ |
850 | PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); |
1091 | PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); |
851 | PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook); |
1092 | PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook); |
852 | |
1093 | |
853 | GvSV (PL_defgv) = newSV (0); |
1094 | GvSV (PL_defgv) = newSV (0); |
854 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1095 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
855 | GvSV (PL_errgv) = newSV (0); |
1096 | GvSV (PL_errgv) = newSV (0); |
856 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
1097 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
|
|
1098 | GvHV (PL_hintgv) = 0; |
857 | PL_rs = newSVsv (GvSV (irsgv)); |
1099 | PL_rs = newSVsv (GvSV (irsgv)); |
858 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
1100 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
859 | |
1101 | |
860 | { |
1102 | { |
861 | dSP; |
1103 | dSP; |
862 | UNOP myop; |
1104 | UNOP myop; |
863 | |
1105 | |
864 | Zero (&myop, 1, UNOP); |
1106 | Zero (&myop, 1, UNOP); |
865 | myop.op_next = Nullop; |
1107 | myop.op_next = Nullop; |
|
|
1108 | myop.op_type = OP_ENTERSUB; |
866 | myop.op_flags = OPf_WANT_VOID; |
1109 | myop.op_flags = OPf_WANT_VOID; |
867 | |
1110 | |
868 | PUSHMARK (SP); |
1111 | PUSHMARK (SP); |
869 | XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv)))); |
1112 | PUSHs ((SV *)coro->startcv); |
870 | PUTBACK; |
1113 | PUTBACK; |
871 | PL_op = (OP *)&myop; |
1114 | PL_op = (OP *)&myop; |
872 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
1115 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
873 | SPAGAIN; |
|
|
874 | } |
1116 | } |
875 | |
1117 | |
876 | /* this newly created coroutine might be run on an existing cctx which most |
1118 | /* this newly created coroutine might be run on an existing cctx which most |
877 | * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. |
1119 | * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. |
878 | */ |
1120 | */ |
879 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
1121 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
880 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
1122 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
|
|
1123 | slf_frame.destroy = 0; |
881 | |
1124 | |
882 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
1125 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
883 | coro_setup_op.op_next = PL_op; |
1126 | init_perl_op.op_next = PL_op; |
884 | coro_setup_op.op_type = OP_CUSTOM; |
1127 | init_perl_op.op_type = OP_ENTERSUB; |
885 | coro_setup_op.op_ppaddr = pp_slf; |
1128 | init_perl_op.op_ppaddr = pp_slf; |
886 | /* no flags required, as an init function won't be called */ |
1129 | /* no flags etc. required, as an init function won't be called */ |
887 | |
1130 | |
888 | PL_op = (OP *)&coro_setup_op; |
1131 | PL_op = (OP *)&init_perl_op; |
889 | |
1132 | |
890 | /* copy throw, in case it was set before coro_setup */ |
1133 | /* copy throw, in case it was set before init_perl */ |
891 | CORO_THROW = coro->except; |
1134 | CORO_THROW = coro->except; |
892 | } |
|
|
893 | |
1135 | |
|
|
1136 | SWAP_SVS (coro); |
|
|
1137 | |
|
|
1138 | if (expect_false (enable_times)) |
|
|
1139 | { |
|
|
1140 | coro_times_update (); |
|
|
1141 | coro_times_sub (coro); |
|
|
1142 | } |
|
|
1143 | } |
|
|
1144 | |
894 | static void |
1145 | static void |
895 | coro_destruct (pTHX_ struct coro *coro) |
1146 | coro_unwind_stacks (pTHX) |
896 | { |
1147 | { |
897 | if (!IN_DESTRUCT) |
1148 | if (!IN_DESTRUCT) |
898 | { |
1149 | { |
899 | /* restore all saved variables and stuff */ |
1150 | /* restore all saved variables and stuff */ |
900 | LEAVE_SCOPE (0); |
1151 | LEAVE_SCOPE (0); |
… | |
… | |
908 | POPSTACK_TO (PL_mainstack); |
1159 | POPSTACK_TO (PL_mainstack); |
909 | |
1160 | |
910 | /* unwind main stack */ |
1161 | /* unwind main stack */ |
911 | dounwind (-1); |
1162 | dounwind (-1); |
912 | } |
1163 | } |
|
|
1164 | } |
913 | |
1165 | |
914 | SvREFCNT_dec (GvSV (PL_defgv)); |
1166 | static void |
915 | SvREFCNT_dec (GvAV (PL_defgv)); |
1167 | destroy_perl (pTHX_ struct coro *coro) |
916 | SvREFCNT_dec (GvSV (PL_errgv)); |
1168 | { |
917 | SvREFCNT_dec (PL_defoutgv); |
1169 | SV *svf [9]; |
918 | SvREFCNT_dec (PL_rs); |
|
|
919 | SvREFCNT_dec (GvSV (irsgv)); |
|
|
920 | |
1170 | |
921 | SvREFCNT_dec (PL_diehook); |
|
|
922 | SvREFCNT_dec (PL_warnhook); |
|
|
923 | |
1171 | { |
924 | SvREFCNT_dec (CORO_THROW); |
1172 | SV *old_current = SvRV (coro_current); |
|
|
1173 | struct coro *current = SvSTATE (old_current); |
|
|
1174 | |
|
|
1175 | assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack)); |
|
|
1176 | |
|
|
1177 | save_perl (aTHX_ current); |
|
|
1178 | |
|
|
1179 | /* this will cause transfer_check to croak on block*/ |
|
|
1180 | SvRV_set (coro_current, (SV *)coro->hv); |
|
|
1181 | |
|
|
1182 | load_perl (aTHX_ coro); |
|
|
1183 | |
|
|
1184 | coro_unwind_stacks (aTHX); |
|
|
1185 | |
|
|
1186 | /* restore swapped sv's */ |
|
|
1187 | SWAP_SVS (coro); |
|
|
1188 | |
|
|
1189 | coro_destruct_stacks (aTHX); |
|
|
1190 | |
|
|
1191 | // now save some sv's to be free'd later |
|
|
1192 | svf [0] = GvSV (PL_defgv); |
|
|
1193 | svf [1] = (SV *)GvAV (PL_defgv); |
|
|
1194 | svf [2] = GvSV (PL_errgv); |
|
|
1195 | svf [3] = (SV *)PL_defoutgv; |
|
|
1196 | svf [4] = PL_rs; |
|
|
1197 | svf [5] = GvSV (irsgv); |
|
|
1198 | svf [6] = (SV *)GvHV (PL_hintgv); |
|
|
1199 | svf [7] = PL_diehook; |
|
|
1200 | svf [8] = PL_warnhook; |
|
|
1201 | assert (9 == sizeof (svf) / sizeof (*svf)); |
|
|
1202 | |
|
|
1203 | SvRV_set (coro_current, old_current); |
|
|
1204 | |
|
|
1205 | load_perl (aTHX_ current); |
|
|
1206 | } |
|
|
1207 | |
|
|
1208 | { |
|
|
1209 | unsigned int i; |
|
|
1210 | |
|
|
1211 | for (i = 0; i < sizeof (svf) / sizeof (*svf); ++i) |
|
|
1212 | SvREFCNT_dec (svf [i]); |
|
|
1213 | |
925 | SvREFCNT_dec (coro->saved_deffh); |
1214 | SvREFCNT_dec (coro->saved_deffh); |
926 | SvREFCNT_dec (coro->rouse_cb); |
1215 | SvREFCNT_dec (coro->rouse_cb); |
927 | |
1216 | SvREFCNT_dec (coro->invoke_cb); |
928 | coro_destruct_stacks (aTHX); |
1217 | SvREFCNT_dec (coro->invoke_av); |
|
|
1218 | } |
929 | } |
1219 | } |
930 | |
1220 | |
931 | INLINE void |
1221 | INLINE void |
932 | free_coro_mortal (pTHX) |
1222 | free_coro_mortal (pTHX) |
933 | { |
1223 | { |
934 | if (expect_true (coro_mortal)) |
1224 | if (expect_true (coro_mortal)) |
935 | { |
1225 | { |
936 | SvREFCNT_dec (coro_mortal); |
1226 | SvREFCNT_dec ((SV *)coro_mortal); |
937 | coro_mortal = 0; |
1227 | coro_mortal = 0; |
938 | } |
1228 | } |
939 | } |
1229 | } |
940 | |
1230 | |
941 | static int |
1231 | static int |
942 | runops_trace (pTHX) |
1232 | runops_trace (pTHX) |
943 | { |
1233 | { |
944 | COP *oldcop = 0; |
1234 | COP *oldcop = 0; |
945 | int oldcxix = -2; |
1235 | int oldcxix = -2; |
946 | struct coro *coro = SvSTATE_current; /* trace cctx is tied to specific coro */ |
|
|
947 | coro_cctx *cctx = coro->cctx; |
|
|
948 | |
1236 | |
949 | while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX))) |
1237 | while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX))) |
950 | { |
1238 | { |
951 | PERL_ASYNC_CHECK (); |
1239 | PERL_ASYNC_CHECK (); |
952 | |
1240 | |
953 | if (cctx->flags & CC_TRACE_ALL) |
1241 | if (cctx_current->flags & CC_TRACE_ALL) |
954 | { |
1242 | { |
955 | if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB) |
1243 | if (PL_op->op_type == OP_LEAVESUB && cctx_current->flags & CC_TRACE_SUB) |
956 | { |
1244 | { |
957 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1245 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
958 | SV **bot, **top; |
1246 | SV **bot, **top; |
959 | AV *av = newAV (); /* return values */ |
1247 | AV *av = newAV (); /* return values */ |
960 | SV **cb; |
1248 | SV **cb; |
… | |
… | |
997 | |
1285 | |
998 | if (PL_curcop != &PL_compiling) |
1286 | if (PL_curcop != &PL_compiling) |
999 | { |
1287 | { |
1000 | SV **cb; |
1288 | SV **cb; |
1001 | |
1289 | |
1002 | if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB) |
1290 | if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB) |
1003 | { |
1291 | { |
1004 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1292 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1005 | |
1293 | |
1006 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
1294 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
1007 | { |
1295 | { |
1008 | runops_proc_t old_runops = PL_runops; |
|
|
1009 | dSP; |
1296 | dSP; |
1010 | GV *gv = CvGV (cx->blk_sub.cv); |
1297 | GV *gv = CvGV (cx->blk_sub.cv); |
1011 | SV *fullname = sv_2mortal (newSV (0)); |
1298 | SV *fullname = sv_2mortal (newSV (0)); |
1012 | |
1299 | |
1013 | if (isGV (gv)) |
1300 | if (isGV (gv)) |
… | |
… | |
1018 | SAVETMPS; |
1305 | SAVETMPS; |
1019 | EXTEND (SP, 3); |
1306 | EXTEND (SP, 3); |
1020 | PUSHMARK (SP); |
1307 | PUSHMARK (SP); |
1021 | PUSHs (&PL_sv_yes); |
1308 | PUSHs (&PL_sv_yes); |
1022 | PUSHs (fullname); |
1309 | PUSHs (fullname); |
1023 | PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef); |
1310 | PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef); |
1024 | PUTBACK; |
1311 | PUTBACK; |
1025 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
1312 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
1026 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
1313 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
1027 | SPAGAIN; |
1314 | SPAGAIN; |
1028 | FREETMPS; |
1315 | FREETMPS; |
… | |
… | |
1031 | } |
1318 | } |
1032 | |
1319 | |
1033 | oldcxix = cxstack_ix; |
1320 | oldcxix = cxstack_ix; |
1034 | } |
1321 | } |
1035 | |
1322 | |
1036 | if (cctx->flags & CC_TRACE_LINE) |
1323 | if (cctx_current->flags & CC_TRACE_LINE) |
1037 | { |
1324 | { |
1038 | dSP; |
1325 | dSP; |
1039 | |
1326 | |
1040 | PL_runops = RUNOPS_DEFAULT; |
1327 | PL_runops = RUNOPS_DEFAULT; |
1041 | ENTER; |
1328 | ENTER; |
… | |
… | |
1060 | |
1347 | |
1061 | TAINT_NOT; |
1348 | TAINT_NOT; |
1062 | return 0; |
1349 | return 0; |
1063 | } |
1350 | } |
1064 | |
1351 | |
1065 | static struct coro_cctx *cctx_ssl_cctx; |
|
|
1066 | static struct CoroSLF cctx_ssl_frame; |
1352 | static struct CoroSLF cctx_ssl_frame; |
1067 | |
1353 | |
1068 | static void |
1354 | static void |
1069 | slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta) |
1355 | slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta) |
1070 | { |
1356 | { |
1071 | ta->prev = (struct coro *)cctx_ssl_cctx; |
|
|
1072 | ta->next = 0; |
1357 | ta->prev = 0; |
1073 | } |
1358 | } |
1074 | |
1359 | |
1075 | static int |
1360 | static int |
1076 | slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame) |
1361 | slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame) |
1077 | { |
1362 | { |
… | |
… | |
1080 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1365 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1081 | } |
1366 | } |
1082 | |
1367 | |
1083 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1368 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1084 | static void NOINLINE |
1369 | static void NOINLINE |
1085 | cctx_prepare (pTHX_ coro_cctx *cctx) |
1370 | cctx_prepare (pTHX) |
1086 | { |
1371 | { |
1087 | PL_top_env = &PL_start_env; |
1372 | PL_top_env = &PL_start_env; |
1088 | |
1373 | |
1089 | if (cctx->flags & CC_TRACE) |
1374 | if (cctx_current->flags & CC_TRACE) |
1090 | PL_runops = runops_trace; |
1375 | PL_runops = runops_trace; |
1091 | |
1376 | |
1092 | /* we already must be executing an SLF op, there is no other valid way |
1377 | /* we already must be executing an SLF op, there is no other valid way |
1093 | * that can lead to creation of a new cctx */ |
1378 | * that can lead to creation of a new cctx */ |
1094 | assert (("FATAL: can't prepare slf-less cctx in Coro module (please report)", |
1379 | assert (("FATAL: can't prepare slf-less cctx in Coro module (please report)", |
1095 | slf_frame.prepare && PL_op->op_ppaddr == pp_slf)); |
1380 | slf_frame.prepare && PL_op->op_ppaddr == pp_slf)); |
1096 | |
1381 | |
1097 | /* we must emulate leaving pp_slf, which is done inside slf_check_set_stacklevel */ |
1382 | /* we must emulate leaving pp_slf, which is done inside slf_check_set_stacklevel */ |
1098 | cctx_ssl_cctx = cctx; |
|
|
1099 | cctx_ssl_frame = slf_frame; |
1383 | cctx_ssl_frame = slf_frame; |
1100 | |
1384 | |
1101 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1385 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1102 | slf_frame.check = slf_check_set_stacklevel; |
1386 | slf_frame.check = slf_check_set_stacklevel; |
1103 | } |
1387 | } |
… | |
… | |
1126 | /* normally we would need to skip the entersub here */ |
1410 | /* normally we would need to skip the entersub here */ |
1127 | /* not doing so will re-execute it, which is exactly what we want */ |
1411 | /* not doing so will re-execute it, which is exactly what we want */ |
1128 | /* PL_nop = PL_nop->op_next */ |
1412 | /* PL_nop = PL_nop->op_next */ |
1129 | |
1413 | |
1130 | /* inject a fake subroutine call to cctx_init */ |
1414 | /* inject a fake subroutine call to cctx_init */ |
1131 | cctx_prepare (aTHX_ (coro_cctx *)arg); |
1415 | cctx_prepare (aTHX); |
1132 | |
1416 | |
1133 | /* cctx_run is the alternative tail of transfer() */ |
1417 | /* cctx_run is the alternative tail of transfer() */ |
1134 | transfer_tail (aTHX); |
1418 | transfer_tail (aTHX); |
1135 | |
1419 | |
1136 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1420 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1137 | PL_restartop = PL_op; |
1421 | PL_restartop = PL_op; |
1138 | perl_run (PL_curinterp); |
1422 | perl_run (PL_curinterp); |
|
|
1423 | /* |
|
|
1424 | * Unfortunately, there is no way to get at the return values of the |
|
|
1425 | * coro body here, as perl_run destroys these. Likewise, we cannot catch |
|
|
1426 | * runtime errors here, as this is just a random interpreter, not a thread. |
|
|
1427 | */ |
1139 | |
1428 | |
1140 | /* |
1429 | /* |
1141 | * If perl-run returns we assume exit() was being called or the coro |
1430 | * If perl-run returns we assume exit() was being called or the coro |
1142 | * fell off the end, which seems to be the only valid (non-bug) |
1431 | * fell off the end, which seems to be the only valid (non-bug) |
1143 | * reason for perl_run to return. We try to exit by jumping to the |
1432 | * reason for perl_run to return. We try to exit by jumping to the |
1144 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
1433 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
1145 | * coroutine as Coro has no such concept |
1434 | * coroutine as Coro has no such concept. |
|
|
1435 | * This actually isn't valid with the pthread backend, but OSes requiring |
|
|
1436 | * that backend are too broken to do it in a standards-compliant way. |
1146 | */ |
1437 | */ |
1147 | PL_top_env = main_top_env; |
1438 | PL_top_env = main_top_env; |
1148 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
1439 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
1149 | } |
1440 | } |
1150 | } |
1441 | } |
… | |
… | |
1227 | cctx_destroy (coro_cctx *cctx) |
1518 | cctx_destroy (coro_cctx *cctx) |
1228 | { |
1519 | { |
1229 | if (!cctx) |
1520 | if (!cctx) |
1230 | return; |
1521 | return; |
1231 | |
1522 | |
|
|
1523 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current)); |
|
|
1524 | |
1232 | --cctx_count; |
1525 | --cctx_count; |
1233 | coro_destroy (&cctx->cctx); |
1526 | coro_destroy (&cctx->cctx); |
1234 | |
1527 | |
1235 | /* coro_transfer creates new, empty cctx's */ |
1528 | /* coro_transfer creates new, empty cctx's */ |
1236 | if (cctx->sptr) |
1529 | if (cctx->sptr) |
… | |
… | |
1299 | /* TODO: throwing up here is considered harmful */ |
1592 | /* TODO: throwing up here is considered harmful */ |
1300 | |
1593 | |
1301 | if (expect_true (prev != next)) |
1594 | if (expect_true (prev != next)) |
1302 | { |
1595 | { |
1303 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1596 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1304 | croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states,"); |
1597 | croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); |
1305 | |
1598 | |
1306 | if (expect_false (next->flags & CF_RUNNING)) |
1599 | if (expect_false (next->flags & (CF_RUNNING | CF_ZOMBIE | CF_SUSPENDED))) |
1307 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states,"); |
|
|
1308 | |
|
|
1309 | if (expect_false (next->flags & CF_DESTROYED)) |
|
|
1310 | croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states,"); |
1600 | croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); |
1311 | |
1601 | |
1312 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1602 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1313 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1603 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1314 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1604 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1315 | #endif |
1605 | #endif |
… | |
… | |
1321 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1611 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1322 | { |
1612 | { |
1323 | dSTACKLEVEL; |
1613 | dSTACKLEVEL; |
1324 | |
1614 | |
1325 | /* sometimes transfer is only called to set idle_sp */ |
1615 | /* sometimes transfer is only called to set idle_sp */ |
1326 | if (expect_false (!next)) |
1616 | if (expect_false (!prev)) |
1327 | { |
1617 | { |
1328 | ((coro_cctx *)prev)->idle_sp = STACKLEVEL; |
1618 | cctx_current->idle_sp = STACKLEVEL; |
1329 | assert (((coro_cctx *)prev)->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1619 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1330 | } |
1620 | } |
1331 | else if (expect_true (prev != next)) |
1621 | else if (expect_true (prev != next)) |
1332 | { |
1622 | { |
1333 | coro_cctx *prev__cctx; |
1623 | coro_cctx *cctx_prev; |
1334 | |
1624 | |
1335 | if (expect_false (prev->flags & CF_NEW)) |
1625 | if (expect_false (prev->flags & CF_NEW)) |
1336 | { |
1626 | { |
1337 | /* create a new empty/source context */ |
1627 | /* create a new empty/source context */ |
1338 | prev->cctx = cctx_new_empty (); |
|
|
1339 | prev->flags &= ~CF_NEW; |
1628 | prev->flags &= ~CF_NEW; |
1340 | prev->flags |= CF_RUNNING; |
1629 | prev->flags |= CF_RUNNING; |
1341 | } |
1630 | } |
1342 | |
1631 | |
1343 | prev->flags &= ~CF_RUNNING; |
1632 | prev->flags &= ~CF_RUNNING; |
… | |
… | |
1349 | if (expect_false (next->flags & CF_NEW)) |
1638 | if (expect_false (next->flags & CF_NEW)) |
1350 | { |
1639 | { |
1351 | /* need to start coroutine */ |
1640 | /* need to start coroutine */ |
1352 | next->flags &= ~CF_NEW; |
1641 | next->flags &= ~CF_NEW; |
1353 | /* setup coroutine call */ |
1642 | /* setup coroutine call */ |
1354 | coro_setup (aTHX_ next); |
1643 | init_perl (aTHX_ next); |
1355 | } |
1644 | } |
1356 | else |
1645 | else |
1357 | load_perl (aTHX_ next); |
1646 | load_perl (aTHX_ next); |
1358 | |
1647 | |
1359 | prev__cctx = prev->cctx; |
|
|
1360 | |
|
|
1361 | /* possibly untie and reuse the cctx */ |
1648 | /* possibly untie and reuse the cctx */ |
1362 | if (expect_true ( |
1649 | if (expect_true ( |
1363 | prev__cctx->idle_sp == STACKLEVEL |
1650 | cctx_current->idle_sp == STACKLEVEL |
1364 | && !(prev__cctx->flags & CC_TRACE) |
1651 | && !(cctx_current->flags & CC_TRACE) |
1365 | && !force_cctx |
1652 | && !force_cctx |
1366 | )) |
1653 | )) |
1367 | { |
1654 | { |
1368 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1655 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1369 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == prev__cctx->idle_te)); |
1656 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1370 | |
1657 | |
1371 | prev->cctx = 0; |
|
|
1372 | |
|
|
1373 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */ |
1658 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1374 | /* without this the next cctx_get might destroy the prev__cctx while still in use */ |
1659 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1375 | if (expect_false (CCTX_EXPIRED (prev__cctx))) |
1660 | if (expect_false (CCTX_EXPIRED (cctx_current))) |
1376 | if (!next->cctx) |
1661 | if (expect_true (!next->cctx)) |
1377 | next->cctx = cctx_get (aTHX); |
1662 | next->cctx = cctx_get (aTHX); |
1378 | |
1663 | |
1379 | cctx_put (prev__cctx); |
1664 | cctx_put (cctx_current); |
1380 | } |
1665 | } |
|
|
1666 | else |
|
|
1667 | prev->cctx = cctx_current; |
1381 | |
1668 | |
1382 | ++next->usecount; |
1669 | ++next->usecount; |
1383 | |
1670 | |
1384 | if (expect_true (!next->cctx)) |
1671 | cctx_prev = cctx_current; |
1385 | next->cctx = cctx_get (aTHX); |
1672 | cctx_current = expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1386 | |
1673 | |
1387 | if (expect_false (prev__cctx != next->cctx)) |
1674 | next->cctx = 0; |
|
|
1675 | |
|
|
1676 | if (expect_false (cctx_prev != cctx_current)) |
1388 | { |
1677 | { |
1389 | prev__cctx->top_env = PL_top_env; |
1678 | cctx_prev->top_env = PL_top_env; |
1390 | PL_top_env = next->cctx->top_env; |
1679 | PL_top_env = cctx_current->top_env; |
1391 | coro_transfer (&prev__cctx->cctx, &next->cctx->cctx); |
1680 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1392 | } |
1681 | } |
1393 | |
1682 | |
1394 | transfer_tail (aTHX); |
1683 | transfer_tail (aTHX); |
1395 | } |
1684 | } |
1396 | } |
1685 | } |
… | |
… | |
1398 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1687 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1399 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1688 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1400 | |
1689 | |
1401 | /** high level stuff ********************************************************/ |
1690 | /** high level stuff ********************************************************/ |
1402 | |
1691 | |
|
|
1692 | /* this function is actually Coro, not Coro::State, but we call it from here */ |
|
|
1693 | /* because it is convenient - but it hasn't been declared yet for that reason */ |
1403 | static int |
1694 | static void |
|
|
1695 | coro_call_on_destroy (pTHX_ struct coro *coro); |
|
|
1696 | |
|
|
1697 | static void |
1404 | coro_state_destroy (pTHX_ struct coro *coro) |
1698 | coro_state_destroy (pTHX_ struct coro *coro) |
1405 | { |
1699 | { |
1406 | if (coro->flags & CF_DESTROYED) |
1700 | if (coro->flags & CF_ZOMBIE) |
1407 | return 0; |
1701 | return; |
1408 | |
1702 | |
1409 | if (coro->on_destroy) |
|
|
1410 | coro->on_destroy (aTHX_ coro); |
1703 | slf_destroy (aTHX_ coro); |
1411 | |
1704 | |
1412 | coro->flags |= CF_DESTROYED; |
1705 | coro->flags |= CF_ZOMBIE; |
1413 | |
1706 | |
1414 | if (coro->flags & CF_READY) |
1707 | if (coro->flags & CF_READY) |
1415 | { |
1708 | { |
1416 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1709 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1417 | /* alternative: look through all ready queues and remove the coro */ |
1710 | /* alternative: look through all ready queues and remove the coro */ |
1418 | --coro_nready; |
1711 | --coro_nready; |
1419 | } |
1712 | } |
1420 | else |
1713 | else |
1421 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
1714 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
1422 | |
1715 | |
1423 | if (coro->mainstack && coro->mainstack != main_mainstack) |
|
|
1424 | { |
|
|
1425 | struct coro temp; |
|
|
1426 | |
|
|
1427 | assert (("FATAL: tried to destroy currently running coroutine (please report)", !(coro->flags & CF_RUNNING))); |
|
|
1428 | |
|
|
1429 | save_perl (aTHX_ &temp); |
|
|
1430 | load_perl (aTHX_ coro); |
|
|
1431 | |
|
|
1432 | coro_destruct (aTHX_ coro); |
|
|
1433 | |
|
|
1434 | load_perl (aTHX_ &temp); |
|
|
1435 | |
|
|
1436 | coro->slot = 0; |
|
|
1437 | } |
|
|
1438 | |
|
|
1439 | cctx_destroy (coro->cctx); |
|
|
1440 | SvREFCNT_dec (coro->args); |
|
|
1441 | |
|
|
1442 | if (coro->next) coro->next->prev = coro->prev; |
1716 | if (coro->next) coro->next->prev = coro->prev; |
1443 | if (coro->prev) coro->prev->next = coro->next; |
1717 | if (coro->prev) coro->prev->next = coro->next; |
1444 | if (coro == coro_first) coro_first = coro->next; |
1718 | if (coro == coro_first) coro_first = coro->next; |
1445 | |
1719 | |
1446 | return 1; |
1720 | if (coro->mainstack |
|
|
1721 | && coro->mainstack != main_mainstack |
|
|
1722 | && coro->slot |
|
|
1723 | && !PL_dirty) |
|
|
1724 | destroy_perl (aTHX_ coro); |
|
|
1725 | |
|
|
1726 | cctx_destroy (coro->cctx); |
|
|
1727 | SvREFCNT_dec (coro->startcv); |
|
|
1728 | SvREFCNT_dec (coro->args); |
|
|
1729 | SvREFCNT_dec (coro->swap_sv); |
|
|
1730 | SvREFCNT_dec (CORO_THROW); |
|
|
1731 | |
|
|
1732 | coro_call_on_destroy (coro); |
|
|
1733 | |
|
|
1734 | /* more destruction mayhem in coro_state_free */ |
1447 | } |
1735 | } |
1448 | |
1736 | |
1449 | static int |
1737 | static int |
1450 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1738 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1451 | { |
1739 | { |
1452 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1740 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1453 | mg->mg_ptr = 0; |
1741 | mg->mg_ptr = 0; |
1454 | |
1742 | |
1455 | coro->hv = 0; |
|
|
1456 | |
|
|
1457 | if (--coro->refcnt < 0) |
|
|
1458 | { |
|
|
1459 | coro_state_destroy (aTHX_ coro); |
1743 | coro_state_destroy (coro); |
|
|
1744 | SvREFCNT_dec (coro->on_destroy); |
|
|
1745 | SvREFCNT_dec (coro->status); |
|
|
1746 | |
1460 | Safefree (coro); |
1747 | Safefree (coro); |
1461 | } |
|
|
1462 | |
1748 | |
1463 | return 0; |
1749 | return 0; |
1464 | } |
1750 | } |
1465 | |
1751 | |
1466 | static int |
1752 | static int |
1467 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1753 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1468 | { |
1754 | { |
1469 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1755 | /* called when perl clones the current process the slow way (windows process emulation) */ |
1470 | |
1756 | /* WE SIMply nuke the pointers in the copy, causing perl to croak */ |
1471 | ++coro->refcnt; |
1757 | mg->mg_ptr = 0; |
|
|
1758 | mg->mg_virtual = 0; |
1472 | |
1759 | |
1473 | return 0; |
1760 | return 0; |
1474 | } |
1761 | } |
1475 | |
1762 | |
1476 | static MGVTBL coro_state_vtbl = { |
1763 | static MGVTBL coro_state_vtbl = { |
… | |
… | |
1499 | |
1786 | |
1500 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1787 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1501 | TRANSFER (ta, 1); |
1788 | TRANSFER (ta, 1); |
1502 | } |
1789 | } |
1503 | |
1790 | |
1504 | /*****************************************************************************/ |
|
|
1505 | /* gensub: simple closure generation utility */ |
|
|
1506 | |
|
|
1507 | #define GENSUB_ARG CvXSUBANY (cv).any_ptr |
|
|
1508 | |
|
|
1509 | /* create a closure from XS, returns a code reference */ |
|
|
1510 | /* the arg can be accessed via GENSUB_ARG from the callback */ |
|
|
1511 | /* the callback must use dXSARGS/XSRETURN */ |
|
|
1512 | static SV * |
|
|
1513 | gensub (pTHX_ void (*xsub)(pTHX_ CV *), void *arg) |
|
|
1514 | { |
|
|
1515 | CV *cv = (CV *)newSV (0); |
|
|
1516 | |
|
|
1517 | sv_upgrade ((SV *)cv, SVt_PVCV); |
|
|
1518 | |
|
|
1519 | CvANON_on (cv); |
|
|
1520 | CvISXSUB_on (cv); |
|
|
1521 | CvXSUB (cv) = xsub; |
|
|
1522 | GENSUB_ARG = arg; |
|
|
1523 | |
|
|
1524 | return newRV_noinc ((SV *)cv); |
|
|
1525 | } |
|
|
1526 | |
|
|
1527 | /** Coro ********************************************************************/ |
1791 | /** Coro ********************************************************************/ |
1528 | |
1792 | |
1529 | INLINE void |
1793 | INLINE void |
1530 | coro_enq (pTHX_ struct coro *coro) |
1794 | coro_enq (pTHX_ struct coro *coro) |
1531 | { |
1795 | { |
1532 | av_push (coro_ready [coro->prio - PRIO_MIN], SvREFCNT_inc_NN (coro->hv)); |
1796 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1533 | } |
|
|
1534 | |
1797 | |
1535 | INLINE SV * |
1798 | SvREFCNT_inc_NN (coro->hv); |
|
|
1799 | |
|
|
1800 | coro->next_ready = 0; |
|
|
1801 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
|
|
1802 | ready [1] = coro; |
|
|
1803 | } |
|
|
1804 | |
|
|
1805 | INLINE struct coro * |
1536 | coro_deq (pTHX) |
1806 | coro_deq (pTHX) |
1537 | { |
1807 | { |
1538 | int prio; |
1808 | int prio; |
1539 | |
1809 | |
1540 | for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; ) |
1810 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
1541 | if (AvFILLp (coro_ready [prio]) >= 0) |
1811 | { |
1542 | return av_shift (coro_ready [prio]); |
1812 | struct coro **ready = coro_ready [prio]; |
|
|
1813 | |
|
|
1814 | if (ready [0]) |
|
|
1815 | { |
|
|
1816 | struct coro *coro = ready [0]; |
|
|
1817 | ready [0] = coro->next_ready; |
|
|
1818 | return coro; |
|
|
1819 | } |
|
|
1820 | } |
1543 | |
1821 | |
1544 | return 0; |
1822 | return 0; |
|
|
1823 | } |
|
|
1824 | |
|
|
1825 | static void |
|
|
1826 | invoke_sv_ready_hook_helper (void) |
|
|
1827 | { |
|
|
1828 | dTHX; |
|
|
1829 | dSP; |
|
|
1830 | |
|
|
1831 | ENTER; |
|
|
1832 | SAVETMPS; |
|
|
1833 | |
|
|
1834 | PUSHMARK (SP); |
|
|
1835 | PUTBACK; |
|
|
1836 | call_sv (coro_readyhook, G_VOID | G_DISCARD); |
|
|
1837 | |
|
|
1838 | FREETMPS; |
|
|
1839 | LEAVE; |
1545 | } |
1840 | } |
1546 | |
1841 | |
1547 | static int |
1842 | static int |
1548 | api_ready (pTHX_ SV *coro_sv) |
1843 | api_ready (pTHX_ SV *coro_sv) |
1549 | { |
1844 | { |
1550 | struct coro *coro; |
|
|
1551 | SV *sv_hook; |
|
|
1552 | void (*xs_hook)(void); |
|
|
1553 | |
|
|
1554 | if (SvROK (coro_sv)) |
|
|
1555 | coro_sv = SvRV (coro_sv); |
|
|
1556 | |
|
|
1557 | coro = SvSTATE (coro_sv); |
1845 | struct coro *coro = SvSTATE (coro_sv); |
1558 | |
1846 | |
1559 | if (coro->flags & CF_READY) |
1847 | if (coro->flags & CF_READY) |
1560 | return 0; |
1848 | return 0; |
1561 | |
1849 | |
1562 | coro->flags |= CF_READY; |
1850 | coro->flags |= CF_READY; |
1563 | |
1851 | |
1564 | sv_hook = coro_nready ? 0 : coro_readyhook; |
|
|
1565 | xs_hook = coro_nready ? 0 : coroapi.readyhook; |
|
|
1566 | |
|
|
1567 | coro_enq (aTHX_ coro); |
1852 | coro_enq (aTHX_ coro); |
1568 | ++coro_nready; |
|
|
1569 | |
1853 | |
1570 | if (sv_hook) |
1854 | if (!coro_nready++) |
1571 | { |
1855 | if (coroapi.readyhook) |
1572 | dSP; |
1856 | coroapi.readyhook (); |
1573 | |
|
|
1574 | ENTER; |
|
|
1575 | SAVETMPS; |
|
|
1576 | |
|
|
1577 | PUSHMARK (SP); |
|
|
1578 | PUTBACK; |
|
|
1579 | call_sv (sv_hook, G_VOID | G_DISCARD); |
|
|
1580 | |
|
|
1581 | FREETMPS; |
|
|
1582 | LEAVE; |
|
|
1583 | } |
|
|
1584 | |
|
|
1585 | if (xs_hook) |
|
|
1586 | xs_hook (); |
|
|
1587 | |
1857 | |
1588 | return 1; |
1858 | return 1; |
1589 | } |
1859 | } |
1590 | |
1860 | |
1591 | static int |
1861 | static int |
1592 | api_is_ready (pTHX_ SV *coro_sv) |
1862 | api_is_ready (pTHX_ SV *coro_sv) |
1593 | { |
1863 | { |
1594 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1864 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1595 | } |
1865 | } |
1596 | |
1866 | |
|
|
1867 | /* expects to own a reference to next->hv */ |
1597 | INLINE void |
1868 | INLINE void |
1598 | prepare_schedule (pTHX_ struct coro_transfer_args *ta) |
1869 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1599 | { |
1870 | { |
1600 | SV *prev_sv, *next_sv; |
|
|
1601 | |
|
|
1602 | for (;;) |
|
|
1603 | { |
|
|
1604 | next_sv = coro_deq (aTHX); |
|
|
1605 | |
|
|
1606 | /* nothing to schedule: call the idle handler */ |
|
|
1607 | if (expect_false (!next_sv)) |
|
|
1608 | { |
|
|
1609 | dSP; |
|
|
1610 | |
|
|
1611 | ENTER; |
|
|
1612 | SAVETMPS; |
|
|
1613 | |
|
|
1614 | PUSHMARK (SP); |
|
|
1615 | PUTBACK; |
|
|
1616 | call_sv (get_sv ("Coro::idle", FALSE), G_VOID | G_DISCARD); |
|
|
1617 | |
|
|
1618 | FREETMPS; |
|
|
1619 | LEAVE; |
|
|
1620 | continue; |
|
|
1621 | } |
|
|
1622 | |
|
|
1623 | ta->next = SvSTATE_hv (next_sv); |
|
|
1624 | |
|
|
1625 | /* cannot transfer to destroyed coros, skip and look for next */ |
|
|
1626 | if (expect_false (ta->next->flags & CF_DESTROYED)) |
|
|
1627 | { |
|
|
1628 | SvREFCNT_dec (next_sv); |
|
|
1629 | /* coro_nready has already been taken care of by destroy */ |
|
|
1630 | continue; |
|
|
1631 | } |
|
|
1632 | |
|
|
1633 | --coro_nready; |
|
|
1634 | break; |
|
|
1635 | } |
|
|
1636 | |
|
|
1637 | /* free this only after the transfer */ |
|
|
1638 | prev_sv = SvRV (coro_current); |
1871 | SV *prev_sv = SvRV (coro_current); |
|
|
1872 | |
1639 | ta->prev = SvSTATE_hv (prev_sv); |
1873 | ta->prev = SvSTATE_hv (prev_sv); |
|
|
1874 | ta->next = next; |
|
|
1875 | |
1640 | TRANSFER_CHECK (*ta); |
1876 | TRANSFER_CHECK (*ta); |
1641 | assert (("FATAL: next coroutine isn't marked as ready in Coro (please report)", ta->next->flags & CF_READY)); |
1877 | |
1642 | ta->next->flags &= ~CF_READY; |
|
|
1643 | SvRV_set (coro_current, next_sv); |
1878 | SvRV_set (coro_current, (SV *)next->hv); |
1644 | |
1879 | |
1645 | free_coro_mortal (aTHX); |
1880 | free_coro_mortal (aTHX); |
1646 | coro_mortal = prev_sv; |
1881 | coro_mortal = prev_sv; |
1647 | } |
1882 | } |
1648 | |
1883 | |
|
|
1884 | static void |
|
|
1885 | prepare_schedule (pTHX_ struct coro_transfer_args *ta) |
|
|
1886 | { |
|
|
1887 | for (;;) |
|
|
1888 | { |
|
|
1889 | struct coro *next = coro_deq (aTHX); |
|
|
1890 | |
|
|
1891 | if (expect_true (next)) |
|
|
1892 | { |
|
|
1893 | /* cannot transfer to destroyed coros, skip and look for next */ |
|
|
1894 | if (expect_false (next->flags & (CF_ZOMBIE | CF_SUSPENDED))) |
|
|
1895 | SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ |
|
|
1896 | else |
|
|
1897 | { |
|
|
1898 | next->flags &= ~CF_READY; |
|
|
1899 | --coro_nready; |
|
|
1900 | |
|
|
1901 | prepare_schedule_to (aTHX_ ta, next); |
|
|
1902 | break; |
|
|
1903 | } |
|
|
1904 | } |
|
|
1905 | else |
|
|
1906 | { |
|
|
1907 | /* nothing to schedule: call the idle handler */ |
|
|
1908 | if (SvROK (sv_idle) |
|
|
1909 | && SvOBJECT (SvRV (sv_idle))) |
|
|
1910 | { |
|
|
1911 | if (SvRV (sv_idle) == SvRV (coro_current)) |
|
|
1912 | croak ("FATAL: $Coro::IDLE blocked itself - did you try to block inside an event loop callback? Caught"); |
|
|
1913 | |
|
|
1914 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
|
|
1915 | api_ready (aTHX_ SvRV (sv_idle)); |
|
|
1916 | --coro_nready; |
|
|
1917 | } |
|
|
1918 | else |
|
|
1919 | { |
|
|
1920 | /* TODO: deprecated, remove, cannot work reliably *//*D*/ |
|
|
1921 | dSP; |
|
|
1922 | |
|
|
1923 | ENTER; |
|
|
1924 | SAVETMPS; |
|
|
1925 | |
|
|
1926 | PUSHMARK (SP); |
|
|
1927 | PUTBACK; |
|
|
1928 | call_sv (sv_idle, G_VOID | G_DISCARD); |
|
|
1929 | |
|
|
1930 | FREETMPS; |
|
|
1931 | LEAVE; |
|
|
1932 | } |
|
|
1933 | } |
|
|
1934 | } |
|
|
1935 | } |
|
|
1936 | |
1649 | INLINE void |
1937 | INLINE void |
1650 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1938 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1651 | { |
1939 | { |
1652 | api_ready (aTHX_ coro_current); |
1940 | api_ready (aTHX_ coro_current); |
1653 | prepare_schedule (aTHX_ ta); |
1941 | prepare_schedule (aTHX_ ta); |
… | |
… | |
1672 | { |
1960 | { |
1673 | struct coro_transfer_args ta; |
1961 | struct coro_transfer_args ta; |
1674 | |
1962 | |
1675 | prepare_schedule (aTHX_ &ta); |
1963 | prepare_schedule (aTHX_ &ta); |
1676 | TRANSFER (ta, 1); |
1964 | TRANSFER (ta, 1); |
|
|
1965 | } |
|
|
1966 | |
|
|
1967 | static void |
|
|
1968 | api_schedule_to (pTHX_ SV *coro_sv) |
|
|
1969 | { |
|
|
1970 | struct coro_transfer_args ta; |
|
|
1971 | struct coro *next = SvSTATE (coro_sv); |
|
|
1972 | |
|
|
1973 | SvREFCNT_inc_NN (coro_sv); |
|
|
1974 | prepare_schedule_to (aTHX_ &ta, next); |
1677 | } |
1975 | } |
1678 | |
1976 | |
1679 | static int |
1977 | static int |
1680 | api_cede (pTHX) |
1978 | api_cede (pTHX) |
1681 | { |
1979 | { |
… | |
… | |
1710 | static void |
2008 | static void |
1711 | api_trace (pTHX_ SV *coro_sv, int flags) |
2009 | api_trace (pTHX_ SV *coro_sv, int flags) |
1712 | { |
2010 | { |
1713 | struct coro *coro = SvSTATE (coro_sv); |
2011 | struct coro *coro = SvSTATE (coro_sv); |
1714 | |
2012 | |
|
|
2013 | if (coro->flags & CF_RUNNING) |
|
|
2014 | croak ("cannot enable tracing on a running coroutine, caught"); |
|
|
2015 | |
1715 | if (flags & CC_TRACE) |
2016 | if (flags & CC_TRACE) |
1716 | { |
2017 | { |
1717 | if (!coro->cctx) |
2018 | if (!coro->cctx) |
1718 | coro->cctx = cctx_new_run (); |
2019 | coro->cctx = cctx_new_run (); |
1719 | else if (!(coro->cctx->flags & CC_TRACE)) |
2020 | else if (!(coro->cctx->flags & CC_TRACE)) |
1720 | croak ("cannot enable tracing on coroutine with custom stack,"); |
2021 | croak ("cannot enable tracing on coroutine with custom stack, caught"); |
1721 | |
2022 | |
1722 | coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL)); |
2023 | coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL)); |
1723 | } |
2024 | } |
1724 | else if (coro->cctx && coro->cctx->flags & CC_TRACE) |
2025 | else if (coro->cctx && coro->cctx->flags & CC_TRACE) |
1725 | { |
2026 | { |
… | |
… | |
1730 | else |
2031 | else |
1731 | coro->slot->runops = RUNOPS_DEFAULT; |
2032 | coro->slot->runops = RUNOPS_DEFAULT; |
1732 | } |
2033 | } |
1733 | } |
2034 | } |
1734 | |
2035 | |
|
|
2036 | static void |
|
|
2037 | coro_push_av (pTHX_ AV *av, I32 gimme_v) |
|
|
2038 | { |
|
|
2039 | if (AvFILLp (av) >= 0 && gimme_v != G_VOID) |
|
|
2040 | { |
|
|
2041 | dSP; |
|
|
2042 | |
|
|
2043 | if (gimme_v == G_SCALAR) |
|
|
2044 | XPUSHs (AvARRAY (av)[AvFILLp (av)]); |
|
|
2045 | else |
|
|
2046 | { |
|
|
2047 | int i; |
|
|
2048 | EXTEND (SP, AvFILLp (av) + 1); |
|
|
2049 | |
|
|
2050 | for (i = 0; i <= AvFILLp (av); ++i) |
|
|
2051 | PUSHs (AvARRAY (av)[i]); |
|
|
2052 | } |
|
|
2053 | |
|
|
2054 | PUTBACK; |
|
|
2055 | } |
|
|
2056 | } |
|
|
2057 | |
|
|
2058 | static void |
|
|
2059 | coro_push_on_destroy (aTHX_ struct coro *coro, SV *cb) |
|
|
2060 | { |
|
|
2061 | if (!coro->on_destroy) |
|
|
2062 | coro->on_destroy = newAV (); |
|
|
2063 | |
|
|
2064 | av_push (coro->on_destroy, cb); |
|
|
2065 | } |
|
|
2066 | |
|
|
2067 | static void |
|
|
2068 | slf_destroy_join (pTHX_ struct CoroSLF *frame) |
|
|
2069 | { |
|
|
2070 | SvREFCNT_dec ((SV *)((struct coro *)frame->data)->hv); |
|
|
2071 | } |
|
|
2072 | |
|
|
2073 | static int |
|
|
2074 | slf_check_join (pTHX_ struct CoroSLF *frame) |
|
|
2075 | { |
|
|
2076 | struct coro *coro = (struct coro *)frame->data; |
|
|
2077 | |
|
|
2078 | if (!coro->status) |
|
|
2079 | return 1; |
|
|
2080 | |
|
|
2081 | frame->destroy = 0; |
|
|
2082 | |
|
|
2083 | coro_push_av (coro->status, GIMME_V); |
|
|
2084 | |
|
|
2085 | SvREFCNT_dec ((SV *)coro->hv); |
|
|
2086 | |
|
|
2087 | return 0; |
|
|
2088 | } |
|
|
2089 | |
|
|
2090 | static void |
|
|
2091 | slf_init_join (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2092 | { |
|
|
2093 | struct coro *coro = SvSTATE (items > 0 ? arg [0] : &PL_sv_undef); |
|
|
2094 | |
|
|
2095 | if (items > 1) |
|
|
2096 | croak ("join called with too many arguments"); |
|
|
2097 | |
|
|
2098 | if (coro->status) |
|
|
2099 | frame->prepare = prepare_nop; |
|
|
2100 | else |
|
|
2101 | { |
|
|
2102 | coro_push_on_destroy (aTHX_ coro, SvREFCNT_inc_NN (SvRV (coro_current))); |
|
|
2103 | frame->prepare = prepare_schedule; |
|
|
2104 | } |
|
|
2105 | |
|
|
2106 | frame->check = slf_check_join; |
|
|
2107 | frame->destroy = slf_destroy_join; |
|
|
2108 | frame->data = (void *)coro; |
|
|
2109 | SvREFCNT_inc (coro->hv); |
|
|
2110 | } |
|
|
2111 | |
|
|
2112 | static void |
|
|
2113 | coro_call_on_destroy (pTHX_ struct coro *coro) |
|
|
2114 | { |
|
|
2115 | AV *od = coro->on_destroy; |
|
|
2116 | |
|
|
2117 | if (!od) |
|
|
2118 | return; |
|
|
2119 | |
|
|
2120 | while (AvFILLp (od) >= 0) |
|
|
2121 | { |
|
|
2122 | SV *cb = sv_2mortal (av_pop (od)); |
|
|
2123 | |
|
|
2124 | /* coro hv's (and only hv's at the moment) are supported as well */ |
|
|
2125 | if (SvSTATEhv_p (aTHX_ cb)) |
|
|
2126 | api_ready (aTHX_ cb); |
|
|
2127 | else |
|
|
2128 | { |
|
|
2129 | dSP; /* don't disturb outer sp */ |
|
|
2130 | PUSHMARK (SP); |
|
|
2131 | |
|
|
2132 | if (coro->status) |
|
|
2133 | { |
|
|
2134 | PUTBACK; |
|
|
2135 | coro_push_av (aTHX_ coro->status, G_ARRAY); |
|
|
2136 | SPAGAIN; |
|
|
2137 | } |
|
|
2138 | |
|
|
2139 | PUTBACK; |
|
|
2140 | call_sv (cb, G_VOID | G_DISCARD); |
|
|
2141 | } |
|
|
2142 | } |
|
|
2143 | } |
|
|
2144 | |
|
|
2145 | static void |
|
|
2146 | coro_set_status (pTHX_ struct coro *coro, SV **arg, int items) |
|
|
2147 | { |
|
|
2148 | AV *av; |
|
|
2149 | |
|
|
2150 | if (coro->status) |
|
|
2151 | { |
|
|
2152 | av = coro->status; |
|
|
2153 | av_clear (av); |
|
|
2154 | } |
|
|
2155 | else |
|
|
2156 | av = coro->status = newAV (); |
|
|
2157 | |
|
|
2158 | /* items are actually not so common, so optimise for this case */ |
|
|
2159 | if (items) |
|
|
2160 | { |
|
|
2161 | int i; |
|
|
2162 | |
|
|
2163 | av_extend (av, items - 1); |
|
|
2164 | |
|
|
2165 | for (i = 0; i < items; ++i) |
|
|
2166 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
|
|
2167 | } |
|
|
2168 | } |
|
|
2169 | |
|
|
2170 | static void |
|
|
2171 | slf_init_terminate_cancel_common (pTHX_ struct CoroSLF *frame, HV *coro_hv) |
|
|
2172 | { |
|
|
2173 | av_push (av_destroy, (SV *)newRV_inc ((SV *)coro_hv)); /* RVinc for perl */ |
|
|
2174 | api_ready (aTHX_ sv_manager); |
|
|
2175 | |
|
|
2176 | frame->prepare = prepare_schedule; |
|
|
2177 | frame->check = slf_check_repeat; |
|
|
2178 | |
|
|
2179 | /* as a minor optimisation, we could unwind all stacks here */ |
|
|
2180 | /* but that puts extra pressure on pp_slf, and is not worth much */ |
|
|
2181 | /*coro_unwind_stacks (aTHX);*/ |
|
|
2182 | } |
|
|
2183 | |
|
|
2184 | static void |
|
|
2185 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2186 | { |
|
|
2187 | HV *coro_hv = (HV *)SvRV (coro_current); |
|
|
2188 | |
|
|
2189 | coro_set_status (aTHX_ SvSTATE ((SV *)coro_hv), arg, items); |
|
|
2190 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
|
|
2191 | } |
|
|
2192 | |
|
|
2193 | static void |
|
|
2194 | slf_init_cancel (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2195 | { |
|
|
2196 | HV *coro_hv; |
|
|
2197 | struct coro *coro; |
|
|
2198 | |
|
|
2199 | if (items <= 0) |
|
|
2200 | croak ("Coro::cancel called without coro object,"); |
|
|
2201 | |
|
|
2202 | coro = SvSTATE (arg [0]); |
|
|
2203 | coro_hv = coro->hv; |
|
|
2204 | |
|
|
2205 | coro_set_status (aTHX_ coro, arg + 1, items - 1); |
|
|
2206 | |
|
|
2207 | if (expect_false (coro->flags & CF_NOCANCEL)) |
|
|
2208 | { |
|
|
2209 | /* coro currently busy cancelling something, so just notify it */ |
|
|
2210 | coro->slf_frame.data = (void *)coro; |
|
|
2211 | |
|
|
2212 | frame->prepare = prepare_nop; |
|
|
2213 | frame->check = slf_check_nop; |
|
|
2214 | } |
|
|
2215 | else if (coro_hv == (HV *)SvRV (coro_current)) |
|
|
2216 | { |
|
|
2217 | /* cancelling the current coro is allowed, and equals terminate */ |
|
|
2218 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
|
|
2219 | } |
|
|
2220 | else |
|
|
2221 | { |
|
|
2222 | struct coro *self = SvSTATE_current; |
|
|
2223 | |
|
|
2224 | /* otherwise we cancel directly, purely for speed reasons |
|
|
2225 | * unfortunately, this requires some magic trickery, as |
|
|
2226 | * somebody else could cancel us, so we have to fight the cancellation. |
|
|
2227 | * this is ugly, and hopefully fully worth the extra speed. |
|
|
2228 | * besides, I can't get the slow-but-safe version working... |
|
|
2229 | */ |
|
|
2230 | slf_frame.data = 0; |
|
|
2231 | self->flags |= CF_NOCANCEL; |
|
|
2232 | coro_state_destroy (aTHX_ coro); |
|
|
2233 | self->flags &= ~CF_NOCANCEL; |
|
|
2234 | |
|
|
2235 | if (slf_frame.data) |
|
|
2236 | { |
|
|
2237 | /* while we were busy we have been cancelled, so terminate */ |
|
|
2238 | slf_init_terminate_cancel_common (aTHX_ frame, self->hv); |
|
|
2239 | } |
|
|
2240 | else |
|
|
2241 | { |
|
|
2242 | frame->prepare = prepare_nop; |
|
|
2243 | frame->check = slf_check_nop; |
|
|
2244 | } |
|
|
2245 | } |
|
|
2246 | } |
|
|
2247 | |
|
|
2248 | static int |
|
|
2249 | slf_check_safe_cancel (pTHX_ struct CoroSLF *frame) |
|
|
2250 | { |
|
|
2251 | frame->prepare = 0; |
|
|
2252 | coro_unwind_stacks (aTHX); |
|
|
2253 | |
|
|
2254 | slf_init_terminate_cancel_common (aTHX_ frame, (HV *)SvRV (coro_current)); |
|
|
2255 | |
|
|
2256 | return 1; |
|
|
2257 | } |
|
|
2258 | |
|
|
2259 | static int |
|
|
2260 | safe_cancel (pTHX_ struct coro *coro, SV **arg, int items) |
|
|
2261 | { |
|
|
2262 | if (coro->cctx) |
|
|
2263 | croak ("coro inside C callback, unable to cancel at this time, caught"); |
|
|
2264 | |
|
|
2265 | if (coro->flags & CF_NEW) |
|
|
2266 | { |
|
|
2267 | coro_set_status (aTHX_ coro, arg, items); |
|
|
2268 | coro_state_destroy (aTHX_ coro); |
|
|
2269 | } |
|
|
2270 | else |
|
|
2271 | { |
|
|
2272 | if (!coro->slf_frame.prepare) |
|
|
2273 | croak ("coro outside an SLF function, unable to cancel at this time, caught"); |
|
|
2274 | |
|
|
2275 | slf_destroy (aTHX_ coro); |
|
|
2276 | |
|
|
2277 | coro_set_status (aTHX_ coro, arg, items); |
|
|
2278 | coro->slf_frame.prepare = prepare_nop; |
|
|
2279 | coro->slf_frame.check = slf_check_safe_cancel; |
|
|
2280 | |
|
|
2281 | api_ready (aTHX_ (SV *)coro->hv); |
|
|
2282 | } |
|
|
2283 | |
|
|
2284 | return 1; |
|
|
2285 | } |
|
|
2286 | |
|
|
2287 | /*****************************************************************************/ |
|
|
2288 | /* async pool handler */ |
|
|
2289 | |
|
|
2290 | static int |
|
|
2291 | slf_check_pool_handler (pTHX_ struct CoroSLF *frame) |
|
|
2292 | { |
|
|
2293 | HV *hv = (HV *)SvRV (coro_current); |
|
|
2294 | struct coro *coro = (struct coro *)frame->data; |
|
|
2295 | |
|
|
2296 | if (!coro->invoke_cb) |
|
|
2297 | return 1; /* loop till we have invoke */ |
|
|
2298 | else |
|
|
2299 | { |
|
|
2300 | hv_store (hv, "desc", sizeof ("desc") - 1, |
|
|
2301 | newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0); |
|
|
2302 | |
|
|
2303 | coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv); |
|
|
2304 | |
|
|
2305 | { |
|
|
2306 | dSP; |
|
|
2307 | XPUSHs (sv_2mortal (coro->invoke_cb)); coro->invoke_cb = 0; |
|
|
2308 | PUTBACK; |
|
|
2309 | } |
|
|
2310 | |
|
|
2311 | SvREFCNT_dec (GvAV (PL_defgv)); |
|
|
2312 | GvAV (PL_defgv) = coro->invoke_av; |
|
|
2313 | coro->invoke_av = 0; |
|
|
2314 | |
|
|
2315 | return 0; |
|
|
2316 | } |
|
|
2317 | } |
|
|
2318 | |
|
|
2319 | static void |
|
|
2320 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2321 | { |
|
|
2322 | HV *hv = (HV *)SvRV (coro_current); |
|
|
2323 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
|
|
2324 | |
|
|
2325 | if (expect_true (coro->saved_deffh)) |
|
|
2326 | { |
|
|
2327 | /* subsequent iteration */ |
|
|
2328 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
|
|
2329 | coro->saved_deffh = 0; |
|
|
2330 | |
|
|
2331 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
|
|
2332 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
|
|
2333 | { |
|
|
2334 | slf_init_terminate_cancel_common (aTHX_ frame, hv); |
|
|
2335 | return; |
|
|
2336 | } |
|
|
2337 | else |
|
|
2338 | { |
|
|
2339 | av_clear (GvAV (PL_defgv)); |
|
|
2340 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
|
|
2341 | |
|
|
2342 | coro->prio = 0; |
|
|
2343 | |
|
|
2344 | if (coro->cctx && (coro->cctx->flags & CC_TRACE)) |
|
|
2345 | api_trace (aTHX_ coro_current, 0); |
|
|
2346 | |
|
|
2347 | frame->prepare = prepare_schedule; |
|
|
2348 | av_push (av_async_pool, SvREFCNT_inc (hv)); |
|
|
2349 | } |
|
|
2350 | } |
|
|
2351 | else |
|
|
2352 | { |
|
|
2353 | /* first iteration, simply fall through */ |
|
|
2354 | frame->prepare = prepare_nop; |
|
|
2355 | } |
|
|
2356 | |
|
|
2357 | frame->check = slf_check_pool_handler; |
|
|
2358 | frame->data = (void *)coro; |
|
|
2359 | } |
|
|
2360 | |
1735 | /*****************************************************************************/ |
2361 | /*****************************************************************************/ |
1736 | /* rouse callback */ |
2362 | /* rouse callback */ |
1737 | |
2363 | |
1738 | #define CORO_MAGIC_type_rouse PERL_MAGIC_ext |
2364 | #define CORO_MAGIC_type_rouse PERL_MAGIC_ext |
1739 | |
2365 | |
1740 | static void |
2366 | static void |
1741 | coro_rouse_callback (pTHX_ CV *cv) |
2367 | coro_rouse_callback (pTHX_ CV *cv) |
1742 | { |
2368 | { |
1743 | dXSARGS; |
2369 | dXSARGS; |
1744 | SV *data = (SV *)GENSUB_ARG; |
2370 | SV *data = (SV *)S_GENSUB_ARG; |
1745 | |
2371 | |
1746 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2372 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
1747 | { |
2373 | { |
1748 | /* first call, set args */ |
2374 | /* first call, set args */ |
1749 | int i; |
2375 | SV *coro = SvRV (data); |
1750 | AV *av = newAV (); |
2376 | AV *av = newAV (); |
1751 | SV *coro = SvRV (data); |
|
|
1752 | |
2377 | |
1753 | SvRV_set (data, (SV *)av); |
2378 | SvRV_set (data, (SV *)av); |
1754 | api_ready (aTHX_ coro); |
|
|
1755 | SvREFCNT_dec (coro); |
|
|
1756 | |
2379 | |
1757 | /* better take a full copy of the arguments */ |
2380 | /* better take a full copy of the arguments */ |
1758 | while (items--) |
2381 | while (items--) |
1759 | av_store (av, items, newSVsv (ST (items))); |
2382 | av_store (av, items, newSVsv (ST (items))); |
|
|
2383 | |
|
|
2384 | api_ready (aTHX_ coro); |
|
|
2385 | SvREFCNT_dec (coro); |
1760 | } |
2386 | } |
1761 | |
2387 | |
1762 | XSRETURN_EMPTY; |
2388 | XSRETURN_EMPTY; |
1763 | } |
2389 | } |
1764 | |
2390 | |
… | |
… | |
1781 | |
2407 | |
1782 | EXTEND (SP, AvFILLp (av) + 1); |
2408 | EXTEND (SP, AvFILLp (av) + 1); |
1783 | for (i = 0; i <= AvFILLp (av); ++i) |
2409 | for (i = 0; i <= AvFILLp (av); ++i) |
1784 | PUSHs (sv_2mortal (AvARRAY (av)[i])); |
2410 | PUSHs (sv_2mortal (AvARRAY (av)[i])); |
1785 | |
2411 | |
1786 | /* we have stolen the elements, so ste length to zero and free */ |
2412 | /* we have stolen the elements, so set length to zero and free */ |
1787 | AvFILLp (av) = -1; |
2413 | AvFILLp (av) = -1; |
1788 | av_undef (av); |
2414 | av_undef (av); |
1789 | |
2415 | |
1790 | PUTBACK; |
2416 | PUTBACK; |
1791 | } |
2417 | } |
… | |
… | |
1815 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2441 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
1816 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2442 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
1817 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2443 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
1818 | |
2444 | |
1819 | { |
2445 | { |
1820 | CV *cv = (CV *)SvRV (cb); /* for GENSUB_ARG */ |
2446 | CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ |
1821 | SV *data = (SV *)GENSUB_ARG; |
2447 | SV *data = (SV *)S_GENSUB_ARG; |
1822 | |
2448 | |
1823 | frame->data = (void *)data; |
2449 | frame->data = (void *)data; |
1824 | frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule; |
2450 | frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule; |
1825 | frame->check = slf_check_rouse_wait; |
2451 | frame->check = slf_check_rouse_wait; |
1826 | } |
2452 | } |
… | |
… | |
1830 | coro_new_rouse_cb (pTHX) |
2456 | coro_new_rouse_cb (pTHX) |
1831 | { |
2457 | { |
1832 | HV *hv = (HV *)SvRV (coro_current); |
2458 | HV *hv = (HV *)SvRV (coro_current); |
1833 | struct coro *coro = SvSTATE_hv (hv); |
2459 | struct coro *coro = SvSTATE_hv (hv); |
1834 | SV *data = newRV_inc ((SV *)hv); |
2460 | SV *data = newRV_inc ((SV *)hv); |
1835 | SV *cb = gensub (aTHX_ coro_rouse_callback, (void *)data); |
2461 | SV *cb = s_gensub (aTHX_ coro_rouse_callback, (void *)data); |
1836 | |
2462 | |
1837 | sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0); |
2463 | sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0); |
1838 | SvREFCNT_dec (data); /* magicext increases the refcount */ |
2464 | SvREFCNT_dec (data); /* magicext increases the refcount */ |
1839 | |
2465 | |
1840 | SvREFCNT_dec (coro->rouse_cb); |
2466 | SvREFCNT_dec (coro->rouse_cb); |
… | |
… | |
1898 | frame->prepare = prepare_schedule; |
2524 | frame->prepare = prepare_schedule; |
1899 | frame->check = slf_check_nop; |
2525 | frame->check = slf_check_nop; |
1900 | } |
2526 | } |
1901 | |
2527 | |
1902 | static void |
2528 | static void |
|
|
2529 | slf_prepare_schedule_to (pTHX_ struct coro_transfer_args *ta) |
|
|
2530 | { |
|
|
2531 | struct coro *next = (struct coro *)slf_frame.data; |
|
|
2532 | |
|
|
2533 | SvREFCNT_inc_NN (next->hv); |
|
|
2534 | prepare_schedule_to (aTHX_ ta, next); |
|
|
2535 | } |
|
|
2536 | |
|
|
2537 | static void |
|
|
2538 | slf_init_schedule_to (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2539 | { |
|
|
2540 | if (!items) |
|
|
2541 | croak ("Coro::schedule_to expects a coroutine argument, caught"); |
|
|
2542 | |
|
|
2543 | frame->data = (void *)SvSTATE (arg [0]); |
|
|
2544 | frame->prepare = slf_prepare_schedule_to; |
|
|
2545 | frame->check = slf_check_nop; |
|
|
2546 | } |
|
|
2547 | |
|
|
2548 | static void |
|
|
2549 | slf_init_cede_to (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2550 | { |
|
|
2551 | api_ready (aTHX_ SvRV (coro_current)); |
|
|
2552 | |
|
|
2553 | slf_init_schedule_to (aTHX_ frame, cv, arg, items); |
|
|
2554 | } |
|
|
2555 | |
|
|
2556 | static void |
1903 | slf_init_cede (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2557 | slf_init_cede (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
1904 | { |
2558 | { |
1905 | frame->prepare = prepare_cede; |
2559 | frame->prepare = prepare_cede; |
1906 | frame->check = slf_check_nop; |
2560 | frame->check = slf_check_nop; |
1907 | } |
2561 | } |
… | |
… | |
1909 | static void |
2563 | static void |
1910 | slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2564 | slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
1911 | { |
2565 | { |
1912 | frame->prepare = prepare_cede_notself; |
2566 | frame->prepare = prepare_cede_notself; |
1913 | frame->check = slf_check_nop; |
2567 | frame->check = slf_check_nop; |
|
|
2568 | } |
|
|
2569 | |
|
|
2570 | /* "undo"/cancel a running slf call - used when cancelling a coro, mainly */ |
|
|
2571 | static void |
|
|
2572 | slf_destroy (pTHX_ struct coro *coro) |
|
|
2573 | { |
|
|
2574 | /* this callback is reserved for slf functions needing to do cleanup */ |
|
|
2575 | if (coro->slf_frame.destroy && coro->slf_frame.prepare && !PL_dirty) |
|
|
2576 | coro->slf_frame.destroy (aTHX_ &coro->slf_frame); |
|
|
2577 | |
|
|
2578 | /* |
|
|
2579 | * The on_destroy above most likely is from an SLF call. |
|
|
2580 | * Since by definition the SLF call will not finish when we destroy |
|
|
2581 | * the coro, we will have to force-finish it here, otherwise |
|
|
2582 | * cleanup functions cannot call SLF functions. |
|
|
2583 | */ |
|
|
2584 | coro->slf_frame.prepare = 0; |
1914 | } |
2585 | } |
1915 | |
2586 | |
1916 | /* |
2587 | /* |
1917 | * these not obviously related functions are all rolled into one |
2588 | * these not obviously related functions are all rolled into one |
1918 | * function to increase chances that they all will call transfer with the same |
2589 | * function to increase chances that they all will call transfer with the same |
… | |
… | |
1987 | croak (0); |
2658 | croak (0); |
1988 | } |
2659 | } |
1989 | |
2660 | |
1990 | /* return value handling - mostly like entersub */ |
2661 | /* return value handling - mostly like entersub */ |
1991 | /* make sure we put something on the stack in scalar context */ |
2662 | /* make sure we put something on the stack in scalar context */ |
1992 | if (GIMME_V == G_SCALAR) |
2663 | if (GIMME_V == G_SCALAR |
|
|
2664 | && expect_false (PL_stack_sp != PL_stack_base + checkmark + 1)) |
1993 | { |
2665 | { |
1994 | dSP; |
2666 | dSP; |
1995 | SV **bot = PL_stack_base + checkmark; |
2667 | SV **bot = PL_stack_base + checkmark; |
1996 | |
2668 | |
1997 | if (sp == bot) /* too few, push undef */ |
2669 | if (sp == bot) /* too few, push undef */ |
1998 | bot [1] = &PL_sv_undef; |
2670 | bot [1] = &PL_sv_undef; |
1999 | else if (sp != bot + 1) /* too many, take last one */ |
2671 | else /* too many, take last one */ |
2000 | bot [1] = *sp; |
2672 | bot [1] = *sp; |
2001 | |
2673 | |
2002 | SP = bot + 1; |
2674 | SP = bot + 1; |
2003 | |
2675 | |
2004 | PUTBACK; |
2676 | PUTBACK; |
… | |
… | |
2037 | if (PL_op->op_flags & OPf_STACKED) |
2709 | if (PL_op->op_flags & OPf_STACKED) |
2038 | { |
2710 | { |
2039 | if (items > slf_arga) |
2711 | if (items > slf_arga) |
2040 | { |
2712 | { |
2041 | slf_arga = items; |
2713 | slf_arga = items; |
2042 | free (slf_argv); |
2714 | Safefree (slf_argv); |
2043 | slf_argv = malloc (slf_arga * sizeof (SV *)); |
2715 | New (0, slf_argv, slf_arga, SV *); |
2044 | } |
2716 | } |
2045 | |
2717 | |
2046 | slf_argc = items; |
2718 | slf_argc = items; |
2047 | |
2719 | |
2048 | for (i = 0; i < items; ++i) |
2720 | for (i = 0; i < items; ++i) |
… | |
… | |
2050 | } |
2722 | } |
2051 | else |
2723 | else |
2052 | slf_argc = 0; |
2724 | slf_argc = 0; |
2053 | |
2725 | |
2054 | PL_op->op_ppaddr = pp_slf; |
2726 | PL_op->op_ppaddr = pp_slf; |
2055 | PL_op->op_type = OP_CUSTOM; /* maybe we should leave it at entersub? */ |
2727 | /*PL_op->op_type = OP_CUSTOM; /* we do behave like entersub still */ |
2056 | |
2728 | |
2057 | PL_op = (OP *)&slf_restore; |
2729 | PL_op = (OP *)&slf_restore; |
|
|
2730 | } |
|
|
2731 | |
|
|
2732 | /*****************************************************************************/ |
|
|
2733 | /* dynamic wind */ |
|
|
2734 | |
|
|
2735 | static void |
|
|
2736 | on_enterleave_call (pTHX_ SV *cb) |
|
|
2737 | { |
|
|
2738 | dSP; |
|
|
2739 | |
|
|
2740 | PUSHSTACK; |
|
|
2741 | |
|
|
2742 | PUSHMARK (SP); |
|
|
2743 | PUTBACK; |
|
|
2744 | call_sv (cb, G_VOID | G_DISCARD); |
|
|
2745 | SPAGAIN; |
|
|
2746 | |
|
|
2747 | POPSTACK; |
|
|
2748 | } |
|
|
2749 | |
|
|
2750 | static SV * |
|
|
2751 | coro_avp_pop_and_free (pTHX_ AV **avp) |
|
|
2752 | { |
|
|
2753 | AV *av = *avp; |
|
|
2754 | SV *res = av_pop (av); |
|
|
2755 | |
|
|
2756 | if (AvFILLp (av) < 0) |
|
|
2757 | { |
|
|
2758 | *avp = 0; |
|
|
2759 | SvREFCNT_dec (av); |
|
|
2760 | } |
|
|
2761 | |
|
|
2762 | return res; |
|
|
2763 | } |
|
|
2764 | |
|
|
2765 | static void |
|
|
2766 | coro_pop_on_enter (pTHX_ void *coro) |
|
|
2767 | { |
|
|
2768 | SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_enter); |
|
|
2769 | SvREFCNT_dec (cb); |
|
|
2770 | } |
|
|
2771 | |
|
|
2772 | static void |
|
|
2773 | coro_pop_on_leave (pTHX_ void *coro) |
|
|
2774 | { |
|
|
2775 | SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_leave); |
|
|
2776 | on_enterleave_call (aTHX_ sv_2mortal (cb)); |
2058 | } |
2777 | } |
2059 | |
2778 | |
2060 | /*****************************************************************************/ |
2779 | /*****************************************************************************/ |
2061 | /* PerlIO::cede */ |
2780 | /* PerlIO::cede */ |
2062 | |
2781 | |
… | |
… | |
2136 | /* Coro::Semaphore & Coro::Signal */ |
2855 | /* Coro::Semaphore & Coro::Signal */ |
2137 | |
2856 | |
2138 | static SV * |
2857 | static SV * |
2139 | coro_waitarray_new (pTHX_ int count) |
2858 | coro_waitarray_new (pTHX_ int count) |
2140 | { |
2859 | { |
2141 | /* a semaphore contains a counter IV in $sem->[0] and any waiters after that */ |
2860 | /* a waitarray=semaphore contains a counter IV in $sem->[0] and any waiters after that */ |
2142 | AV *av = newAV (); |
2861 | AV *av = newAV (); |
2143 | SV **ary; |
2862 | SV **ary; |
2144 | |
2863 | |
2145 | /* unfortunately, building manually saves memory */ |
2864 | /* unfortunately, building manually saves memory */ |
2146 | Newx (ary, 2, SV *); |
2865 | Newx (ary, 2, SV *); |
2147 | AvALLOC (av) = ary; |
2866 | AvALLOC (av) = ary; |
|
|
2867 | #if PERL_VERSION_ATLEAST (5,10,0) |
2148 | /*AvARRAY (av) = ary;*/ |
2868 | AvARRAY (av) = ary; |
|
|
2869 | #else |
2149 | SvPVX ((SV *)av) = (char *)ary; /* 5.8.8 needs this syntax instead of AvARRAY = ary */ |
2870 | /* 5.8.8 needs this syntax instead of AvARRAY = ary, yet */ |
|
|
2871 | /* -DDEBUGGING flags this as a bug, despite it perfectly working */ |
|
|
2872 | SvPVX ((SV *)av) = (char *)ary; |
|
|
2873 | #endif |
2150 | AvMAX (av) = 1; |
2874 | AvMAX (av) = 1; |
2151 | AvFILLp (av) = 0; |
2875 | AvFILLp (av) = 0; |
2152 | ary [0] = newSViv (count); |
2876 | ary [0] = newSViv (count); |
2153 | |
2877 | |
2154 | return newRV_noinc ((SV *)av); |
2878 | return newRV_noinc ((SV *)av); |
… | |
… | |
2174 | AvARRAY (av)[0] = AvARRAY (av)[1]; |
2898 | AvARRAY (av)[0] = AvARRAY (av)[1]; |
2175 | AvARRAY (av)[1] = count_sv; |
2899 | AvARRAY (av)[1] = count_sv; |
2176 | cb = av_shift (av); |
2900 | cb = av_shift (av); |
2177 | |
2901 | |
2178 | if (SvOBJECT (cb)) |
2902 | if (SvOBJECT (cb)) |
|
|
2903 | { |
2179 | api_ready (aTHX_ cb); |
2904 | api_ready (aTHX_ cb); |
2180 | else |
2905 | --count; |
2181 | croak ("callbacks not yet supported"); |
2906 | } |
|
|
2907 | else if (SvTYPE (cb) == SVt_PVCV) |
|
|
2908 | { |
|
|
2909 | dSP; |
|
|
2910 | PUSHMARK (SP); |
|
|
2911 | XPUSHs (sv_2mortal (newRV_inc ((SV *)av))); |
|
|
2912 | PUTBACK; |
|
|
2913 | call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR); |
|
|
2914 | } |
2182 | |
2915 | |
2183 | SvREFCNT_dec (cb); |
2916 | SvREFCNT_dec (cb); |
2184 | |
|
|
2185 | --count; |
|
|
2186 | } |
2917 | } |
2187 | } |
2918 | } |
2188 | |
2919 | |
2189 | static void |
2920 | static void |
2190 | coro_semaphore_on_destroy (pTHX_ struct coro *coro) |
2921 | coro_semaphore_destroy (pTHX_ struct CoroSLF *frame) |
2191 | { |
2922 | { |
2192 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
2923 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
2193 | coro_semaphore_adjust (aTHX_ (AV *)coro->slf_frame.data, 0); |
2924 | coro_semaphore_adjust (aTHX_ (AV *)frame->data, 0); |
2194 | } |
2925 | } |
2195 | |
2926 | |
2196 | static int |
2927 | static int |
2197 | slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire) |
2928 | slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire) |
2198 | { |
2929 | { |
2199 | AV *av = (AV *)frame->data; |
2930 | AV *av = (AV *)frame->data; |
2200 | SV *count_sv = AvARRAY (av)[0]; |
2931 | SV *count_sv = AvARRAY (av)[0]; |
|
|
2932 | SV *coro_hv = SvRV (coro_current); |
2201 | |
2933 | |
2202 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2934 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2203 | if (CORO_THROW) |
2935 | if (CORO_THROW) |
2204 | return 0; |
2936 | return 0; |
2205 | else if (SvIVX (count_sv) > 0) |
2937 | else if (SvIVX (count_sv) > 0) |
2206 | { |
2938 | { |
2207 | SvSTATE_current->on_destroy = 0; |
2939 | frame->destroy = 0; |
2208 | |
2940 | |
2209 | if (acquire) |
2941 | if (acquire) |
2210 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2942 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2211 | else |
2943 | else |
2212 | coro_semaphore_adjust (aTHX_ av, 0); |
2944 | coro_semaphore_adjust (aTHX_ av, 0); |
… | |
… | |
2217 | { |
2949 | { |
2218 | int i; |
2950 | int i; |
2219 | /* if we were woken up but can't down, we look through the whole */ |
2951 | /* if we were woken up but can't down, we look through the whole */ |
2220 | /* waiters list and only add us if we aren't in there already */ |
2952 | /* waiters list and only add us if we aren't in there already */ |
2221 | /* this avoids some degenerate memory usage cases */ |
2953 | /* this avoids some degenerate memory usage cases */ |
2222 | |
2954 | for (i = AvFILLp (av); i > 0; --i) // i > 0 is not an off-by-one bug |
2223 | for (i = 1; i <= AvFILLp (av); ++i) |
|
|
2224 | if (AvARRAY (av)[i] == SvRV (coro_current)) |
2955 | if (AvARRAY (av)[i] == coro_hv) |
2225 | return 1; |
2956 | return 1; |
2226 | |
2957 | |
2227 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2958 | av_push (av, SvREFCNT_inc (coro_hv)); |
2228 | return 1; |
2959 | return 1; |
2229 | } |
2960 | } |
2230 | } |
2961 | } |
2231 | |
2962 | |
2232 | static int |
2963 | static int |
… | |
… | |
2255 | { |
2986 | { |
2256 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2987 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2257 | |
2988 | |
2258 | frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); |
2989 | frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); |
2259 | frame->prepare = prepare_schedule; |
2990 | frame->prepare = prepare_schedule; |
2260 | |
|
|
2261 | /* to avoid race conditions when a woken-up coro gets terminated */ |
2991 | /* to avoid race conditions when a woken-up coro gets terminated */ |
2262 | /* we arrange for a temporary on_destroy that calls adjust (0) */ |
2992 | /* we arrange for a temporary on_destroy that calls adjust (0) */ |
2263 | SvSTATE_current->on_destroy = coro_semaphore_on_destroy; |
2993 | frame->destroy = coro_semaphore_destroy; |
2264 | } |
2994 | } |
2265 | } |
2995 | } |
2266 | |
2996 | |
2267 | static void |
2997 | static void |
2268 | slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2998 | slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
… | |
… | |
2272 | } |
3002 | } |
2273 | |
3003 | |
2274 | static void |
3004 | static void |
2275 | slf_init_semaphore_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
3005 | slf_init_semaphore_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2276 | { |
3006 | { |
|
|
3007 | if (items >= 2) |
|
|
3008 | { |
|
|
3009 | /* callback form */ |
|
|
3010 | AV *av = (AV *)SvRV (arg [0]); |
|
|
3011 | SV *cb_cv = s_get_cv_croak (arg [1]); |
|
|
3012 | |
|
|
3013 | av_push (av, SvREFCNT_inc_NN (cb_cv)); |
|
|
3014 | |
|
|
3015 | if (SvIVX (AvARRAY (av)[0]) > 0) |
|
|
3016 | coro_semaphore_adjust (aTHX_ av, 0); |
|
|
3017 | |
|
|
3018 | frame->prepare = prepare_nop; |
|
|
3019 | frame->check = slf_check_nop; |
|
|
3020 | } |
|
|
3021 | else |
|
|
3022 | { |
2277 | slf_init_semaphore_down_or_wait (aTHX_ frame, cv, arg, items); |
3023 | slf_init_semaphore_down_or_wait (aTHX_ frame, cv, arg, items); |
2278 | frame->check = slf_check_semaphore_wait; |
3024 | frame->check = slf_check_semaphore_wait; |
|
|
3025 | } |
2279 | } |
3026 | } |
2280 | |
3027 | |
2281 | /* signal */ |
3028 | /* signal */ |
2282 | |
3029 | |
2283 | static void |
3030 | static void |
… | |
… | |
2295 | AvARRAY (av)[0] = AvARRAY (av)[1]; |
3042 | AvARRAY (av)[0] = AvARRAY (av)[1]; |
2296 | AvARRAY (av)[1] = cb; |
3043 | AvARRAY (av)[1] = cb; |
2297 | |
3044 | |
2298 | cb = av_shift (av); |
3045 | cb = av_shift (av); |
2299 | |
3046 | |
|
|
3047 | if (SvTYPE (cb) == SVt_PVCV) |
|
|
3048 | { |
|
|
3049 | dSP; |
|
|
3050 | PUSHMARK (SP); |
|
|
3051 | XPUSHs (sv_2mortal (newRV_inc ((SV *)av))); |
|
|
3052 | PUTBACK; |
|
|
3053 | call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR); |
|
|
3054 | } |
|
|
3055 | else |
|
|
3056 | { |
2300 | api_ready (aTHX_ cb); |
3057 | api_ready (aTHX_ cb); |
2301 | sv_setiv (cb, 0); /* signal waiter */ |
3058 | sv_setiv (cb, 0); /* signal waiter */ |
|
|
3059 | } |
|
|
3060 | |
2302 | SvREFCNT_dec (cb); |
3061 | SvREFCNT_dec (cb); |
2303 | |
3062 | |
2304 | --count; |
3063 | --count; |
2305 | } |
3064 | } |
2306 | } |
3065 | } |
… | |
… | |
2315 | static void |
3074 | static void |
2316 | slf_init_signal_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
3075 | slf_init_signal_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2317 | { |
3076 | { |
2318 | AV *av = (AV *)SvRV (arg [0]); |
3077 | AV *av = (AV *)SvRV (arg [0]); |
2319 | |
3078 | |
|
|
3079 | if (items >= 2) |
|
|
3080 | { |
|
|
3081 | SV *cb_cv = s_get_cv_croak (arg [1]); |
|
|
3082 | av_push (av, SvREFCNT_inc_NN (cb_cv)); |
|
|
3083 | |
2320 | if (SvIVX (AvARRAY (av)[0])) |
3084 | if (SvIVX (AvARRAY (av)[0])) |
|
|
3085 | coro_signal_wake (aTHX_ av, 1); /* must be the only waiter */ |
|
|
3086 | |
|
|
3087 | frame->prepare = prepare_nop; |
|
|
3088 | frame->check = slf_check_nop; |
|
|
3089 | } |
|
|
3090 | else if (SvIVX (AvARRAY (av)[0])) |
2321 | { |
3091 | { |
2322 | SvIVX (AvARRAY (av)[0]) = 0; |
3092 | SvIVX (AvARRAY (av)[0]) = 0; |
2323 | frame->prepare = prepare_nop; |
3093 | frame->prepare = prepare_nop; |
2324 | frame->check = slf_check_nop; |
3094 | frame->check = slf_check_nop; |
2325 | } |
3095 | } |
2326 | else |
3096 | else |
2327 | { |
3097 | { |
2328 | SV *waiter = newRV_inc (SvRV (coro_current)); /* owned by signal av */ |
3098 | SV *waiter = newSVsv (coro_current); /* owned by signal av */ |
2329 | |
3099 | |
2330 | av_push (av, waiter); |
3100 | av_push (av, waiter); |
2331 | |
3101 | |
2332 | frame->data = (void *)sv_2mortal (SvREFCNT_inc_NN (waiter)); /* owned by process */ |
3102 | frame->data = (void *)sv_2mortal (SvREFCNT_inc_NN (waiter)); /* owned by process */ |
2333 | frame->prepare = prepare_schedule; |
3103 | frame->prepare = prepare_schedule; |
… | |
… | |
2351 | |
3121 | |
2352 | static void |
3122 | static void |
2353 | coro_aio_callback (pTHX_ CV *cv) |
3123 | coro_aio_callback (pTHX_ CV *cv) |
2354 | { |
3124 | { |
2355 | dXSARGS; |
3125 | dXSARGS; |
2356 | AV *state = (AV *)GENSUB_ARG; |
3126 | AV *state = (AV *)S_GENSUB_ARG; |
2357 | SV *coro = av_pop (state); |
3127 | SV *coro = av_pop (state); |
2358 | SV *data_sv = newSV (sizeof (struct io_state)); |
3128 | SV *data_sv = newSV (sizeof (struct io_state)); |
2359 | |
3129 | |
2360 | av_extend (state, items); |
3130 | av_extend (state, items - 1); |
2361 | |
3131 | |
2362 | sv_upgrade (data_sv, SVt_PV); |
3132 | sv_upgrade (data_sv, SVt_PV); |
2363 | SvCUR_set (data_sv, sizeof (struct io_state)); |
3133 | SvCUR_set (data_sv, sizeof (struct io_state)); |
2364 | SvPOK_only (data_sv); |
3134 | SvPOK_only (data_sv); |
2365 | |
3135 | |
… | |
… | |
2475 | |
3245 | |
2476 | for (i = 0; i < items; ++i) |
3246 | for (i = 0; i < items; ++i) |
2477 | PUSHs (arg [i]); |
3247 | PUSHs (arg [i]); |
2478 | |
3248 | |
2479 | /* now push the callback closure */ |
3249 | /* now push the callback closure */ |
2480 | PUSHs (sv_2mortal (gensub (aTHX_ coro_aio_callback, (void *)SvREFCNT_inc_NN ((SV *)state)))); |
3250 | PUSHs (sv_2mortal (s_gensub (aTHX_ coro_aio_callback, (void *)SvREFCNT_inc_NN ((SV *)state)))); |
2481 | |
3251 | |
2482 | /* now call the AIO function - we assume our request is uncancelable */ |
3252 | /* now call the AIO function - we assume our request is uncancelable */ |
2483 | PUTBACK; |
3253 | PUTBACK; |
2484 | call_sv ((SV *)req, G_VOID | G_DISCARD); |
3254 | call_sv ((SV *)req, G_VOID | G_DISCARD); |
2485 | } |
3255 | } |
2486 | |
3256 | |
2487 | /* now that the requets is going, we loop toll we have a result */ |
3257 | /* now that the request is going, we loop till we have a result */ |
2488 | frame->data = (void *)state; |
3258 | frame->data = (void *)state; |
2489 | frame->prepare = prepare_schedule; |
3259 | frame->prepare = prepare_schedule; |
2490 | frame->check = slf_check_aio_req; |
3260 | frame->check = slf_check_aio_req; |
2491 | } |
3261 | } |
2492 | |
3262 | |
… | |
… | |
2499 | |
3269 | |
2500 | XSRETURN_EMPTY; |
3270 | XSRETURN_EMPTY; |
2501 | } |
3271 | } |
2502 | |
3272 | |
2503 | /*****************************************************************************/ |
3273 | /*****************************************************************************/ |
|
|
3274 | |
|
|
3275 | #if CORO_CLONE |
|
|
3276 | # include "clone.c" |
|
|
3277 | #endif |
|
|
3278 | |
|
|
3279 | /*****************************************************************************/ |
|
|
3280 | |
|
|
3281 | static SV * |
|
|
3282 | coro_new (pTHX_ HV *stash, SV **argv, int argc, int is_coro) |
|
|
3283 | { |
|
|
3284 | SV *coro_sv; |
|
|
3285 | struct coro *coro; |
|
|
3286 | MAGIC *mg; |
|
|
3287 | HV *hv; |
|
|
3288 | SV *cb; |
|
|
3289 | int i; |
|
|
3290 | |
|
|
3291 | if (argc > 0) |
|
|
3292 | { |
|
|
3293 | cb = s_get_cv_croak (argv [0]); |
|
|
3294 | |
|
|
3295 | if (!is_coro) |
|
|
3296 | { |
|
|
3297 | if (CvISXSUB (cb)) |
|
|
3298 | croak ("Coro::State doesn't support XS functions as coroutine start, caught"); |
|
|
3299 | |
|
|
3300 | if (!CvROOT (cb)) |
|
|
3301 | croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught"); |
|
|
3302 | } |
|
|
3303 | } |
|
|
3304 | |
|
|
3305 | Newz (0, coro, 1, struct coro); |
|
|
3306 | coro->args = newAV (); |
|
|
3307 | coro->flags = CF_NEW; |
|
|
3308 | |
|
|
3309 | if (coro_first) coro_first->prev = coro; |
|
|
3310 | coro->next = coro_first; |
|
|
3311 | coro_first = coro; |
|
|
3312 | |
|
|
3313 | coro->hv = hv = newHV (); |
|
|
3314 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
|
|
3315 | mg->mg_flags |= MGf_DUP; |
|
|
3316 | coro_sv = sv_bless (newRV_noinc ((SV *)hv), stash); |
|
|
3317 | |
|
|
3318 | if (argc > 0) |
|
|
3319 | { |
|
|
3320 | av_extend (coro->args, argc + is_coro - 1); |
|
|
3321 | |
|
|
3322 | if (is_coro) |
|
|
3323 | { |
|
|
3324 | av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb)); |
|
|
3325 | cb = (SV *)cv_coro_run; |
|
|
3326 | } |
|
|
3327 | |
|
|
3328 | coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb); |
|
|
3329 | |
|
|
3330 | for (i = 1; i < argc; i++) |
|
|
3331 | av_push (coro->args, newSVsv (argv [i])); |
|
|
3332 | } |
|
|
3333 | |
|
|
3334 | return coro_sv; |
|
|
3335 | } |
2504 | |
3336 | |
2505 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
3337 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
2506 | |
3338 | |
2507 | PROTOTYPES: DISABLE |
3339 | PROTOTYPES: DISABLE |
2508 | |
3340 | |
… | |
… | |
2513 | coro_thx = PERL_GET_CONTEXT; |
3345 | coro_thx = PERL_GET_CONTEXT; |
2514 | # endif |
3346 | # endif |
2515 | #endif |
3347 | #endif |
2516 | BOOT_PAGESIZE; |
3348 | BOOT_PAGESIZE; |
2517 | |
3349 | |
|
|
3350 | cctx_current = cctx_new_empty (); |
|
|
3351 | |
2518 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3352 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
2519 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3353 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
2520 | |
3354 | |
2521 | orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get; |
3355 | orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get; |
2522 | orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set; |
3356 | orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set; |
… | |
… | |
2541 | |
3375 | |
2542 | { |
3376 | { |
2543 | SV *slf = sv_2mortal (newSViv (PTR2IV (pp_slf))); |
3377 | SV *slf = sv_2mortal (newSViv (PTR2IV (pp_slf))); |
2544 | |
3378 | |
2545 | if (!PL_custom_op_names) PL_custom_op_names = newHV (); |
3379 | if (!PL_custom_op_names) PL_custom_op_names = newHV (); |
2546 | hv_store_ent (PL_custom_op_names, slf, |
3380 | hv_store_ent (PL_custom_op_names, slf, newSVpv ("coro_slf", 0), 0); |
2547 | newSVpv ("coro_slf", 0), 0); |
|
|
2548 | |
3381 | |
2549 | if (!PL_custom_op_descs) PL_custom_op_descs = newHV (); |
3382 | if (!PL_custom_op_descs) PL_custom_op_descs = newHV (); |
2550 | hv_store_ent (PL_custom_op_descs, slf, |
3383 | hv_store_ent (PL_custom_op_descs, slf, newSVpv ("coro schedule like function", 0), 0); |
2551 | newSVpv ("coro schedule like function", 0), 0); |
|
|
2552 | } |
3384 | } |
2553 | |
3385 | |
2554 | coroapi.ver = CORO_API_VERSION; |
3386 | coroapi.ver = CORO_API_VERSION; |
2555 | coroapi.rev = CORO_API_REVISION; |
3387 | coroapi.rev = CORO_API_REVISION; |
2556 | |
3388 | |
… | |
… | |
2561 | coroapi.prepare_nop = prepare_nop; |
3393 | coroapi.prepare_nop = prepare_nop; |
2562 | coroapi.prepare_schedule = prepare_schedule; |
3394 | coroapi.prepare_schedule = prepare_schedule; |
2563 | coroapi.prepare_cede = prepare_cede; |
3395 | coroapi.prepare_cede = prepare_cede; |
2564 | coroapi.prepare_cede_notself = prepare_cede_notself; |
3396 | coroapi.prepare_cede_notself = prepare_cede_notself; |
2565 | |
3397 | |
2566 | { |
3398 | time_init (aTHX); |
2567 | SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
|
|
2568 | |
3399 | |
2569 | if (!svp) croak ("Time::HiRes is required"); |
|
|
2570 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer"); |
|
|
2571 | |
|
|
2572 | nvtime = INT2PTR (double (*)(), SvIV (*svp)); |
|
|
2573 | } |
|
|
2574 | |
|
|
2575 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
3400 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
2576 | } |
3401 | } |
2577 | |
3402 | |
2578 | SV * |
3403 | SV * |
2579 | new (char *klass, ...) |
3404 | new (SV *klass, ...) |
|
|
3405 | ALIAS: |
|
|
3406 | Coro::new = 1 |
2580 | CODE: |
3407 | CODE: |
2581 | { |
3408 | RETVAL = coro_new (aTHX_ ix ? coro_stash : coro_state_stash, &ST (1), items - 1, ix); |
2582 | struct coro *coro; |
3409 | OUTPUT: |
2583 | MAGIC *mg; |
|
|
2584 | HV *hv; |
|
|
2585 | int i; |
|
|
2586 | |
|
|
2587 | Newz (0, coro, 1, struct coro); |
|
|
2588 | coro->args = newAV (); |
|
|
2589 | coro->flags = CF_NEW; |
|
|
2590 | |
|
|
2591 | if (coro_first) coro_first->prev = coro; |
|
|
2592 | coro->next = coro_first; |
|
|
2593 | coro_first = coro; |
|
|
2594 | |
|
|
2595 | coro->hv = hv = newHV (); |
|
|
2596 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
|
|
2597 | mg->mg_flags |= MGf_DUP; |
|
|
2598 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
|
|
2599 | |
|
|
2600 | av_extend (coro->args, items - 1); |
|
|
2601 | for (i = 1; i < items; i++) |
|
|
2602 | av_push (coro->args, newSVsv (ST (i))); |
|
|
2603 | } |
|
|
2604 | OUTPUT: |
|
|
2605 | RETVAL |
3410 | RETVAL |
2606 | |
3411 | |
2607 | void |
3412 | void |
2608 | transfer (...) |
3413 | transfer (...) |
2609 | PROTOTYPE: $$ |
3414 | PROTOTYPE: $$ |
2610 | CODE: |
3415 | CODE: |
2611 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3416 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
2612 | |
3417 | |
2613 | bool |
|
|
2614 | _destroy (SV *coro_sv) |
|
|
2615 | CODE: |
|
|
2616 | RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv)); |
|
|
2617 | OUTPUT: |
|
|
2618 | RETVAL |
|
|
2619 | |
|
|
2620 | void |
3418 | void |
2621 | _exit (int code) |
3419 | _exit (int code) |
2622 | PROTOTYPE: $ |
3420 | PROTOTYPE: $ |
2623 | CODE: |
3421 | CODE: |
2624 | _exit (code); |
3422 | _exit (code); |
|
|
3423 | |
|
|
3424 | SV * |
|
|
3425 | clone (Coro::State coro) |
|
|
3426 | CODE: |
|
|
3427 | { |
|
|
3428 | #if CORO_CLONE |
|
|
3429 | struct coro *ncoro = coro_clone (aTHX_ coro); |
|
|
3430 | MAGIC *mg; |
|
|
3431 | /* TODO: too much duplication */ |
|
|
3432 | ncoro->hv = newHV (); |
|
|
3433 | mg = sv_magicext ((SV *)ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)ncoro, 0); |
|
|
3434 | mg->mg_flags |= MGf_DUP; |
|
|
3435 | RETVAL = sv_bless (newRV_noinc ((SV *)ncoro->hv), SvSTASH (coro->hv)); |
|
|
3436 | #else |
|
|
3437 | croak ("Coro::State->clone has not been configured into this installation of Coro, realised"); |
|
|
3438 | #endif |
|
|
3439 | } |
|
|
3440 | OUTPUT: |
|
|
3441 | RETVAL |
2625 | |
3442 | |
2626 | int |
3443 | int |
2627 | cctx_stacksize (int new_stacksize = 0) |
3444 | cctx_stacksize (int new_stacksize = 0) |
2628 | PROTOTYPE: ;$ |
3445 | PROTOTYPE: ;$ |
2629 | CODE: |
3446 | CODE: |
… | |
… | |
2679 | eval = 1 |
3496 | eval = 1 |
2680 | CODE: |
3497 | CODE: |
2681 | { |
3498 | { |
2682 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
3499 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
2683 | { |
3500 | { |
2684 | struct coro temp; |
3501 | struct coro *current = SvSTATE_current; |
|
|
3502 | struct CoroSLF slf_save; |
2685 | |
3503 | |
2686 | if (!(coro->flags & CF_RUNNING)) |
3504 | if (current != coro) |
2687 | { |
3505 | { |
2688 | PUTBACK; |
3506 | PUTBACK; |
2689 | save_perl (aTHX_ &temp); |
3507 | save_perl (aTHX_ current); |
2690 | load_perl (aTHX_ coro); |
3508 | load_perl (aTHX_ coro); |
|
|
3509 | /* the coro is most likely in an active SLF call. |
|
|
3510 | * while not strictly required (the code we execute is |
|
|
3511 | * not allowed to call any SLF functions), it's cleaner |
|
|
3512 | * to reinitialise the slf_frame and restore it later. |
|
|
3513 | * This might one day allow us to actually do SLF calls |
|
|
3514 | * from code executed here. |
|
|
3515 | */ |
|
|
3516 | slf_save = slf_frame; |
|
|
3517 | slf_frame.prepare = 0; |
|
|
3518 | SPAGAIN; |
2691 | } |
3519 | } |
2692 | |
3520 | |
2693 | { |
|
|
2694 | dSP; |
|
|
2695 | ENTER; |
|
|
2696 | SAVETMPS; |
|
|
2697 | PUTBACK; |
|
|
2698 | PUSHSTACK; |
3521 | PUSHSTACK; |
|
|
3522 | |
2699 | PUSHMARK (SP); |
3523 | PUSHMARK (SP); |
|
|
3524 | PUTBACK; |
2700 | |
3525 | |
2701 | if (ix) |
3526 | if (ix) |
2702 | eval_sv (coderef, 0); |
3527 | eval_sv (coderef, 0); |
2703 | else |
3528 | else |
2704 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
3529 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
2705 | |
3530 | |
2706 | POPSTACK; |
3531 | POPSTACK; |
2707 | SPAGAIN; |
3532 | SPAGAIN; |
2708 | FREETMPS; |
|
|
2709 | LEAVE; |
|
|
2710 | PUTBACK; |
|
|
2711 | } |
|
|
2712 | |
3533 | |
2713 | if (!(coro->flags & CF_RUNNING)) |
3534 | if (current != coro) |
2714 | { |
3535 | { |
|
|
3536 | PUTBACK; |
|
|
3537 | slf_frame = slf_save; |
2715 | save_perl (aTHX_ coro); |
3538 | save_perl (aTHX_ coro); |
2716 | load_perl (aTHX_ &temp); |
3539 | load_perl (aTHX_ current); |
2717 | SPAGAIN; |
3540 | SPAGAIN; |
2718 | } |
3541 | } |
2719 | } |
3542 | } |
2720 | } |
3543 | } |
2721 | |
3544 | |
… | |
… | |
2724 | PROTOTYPE: $ |
3547 | PROTOTYPE: $ |
2725 | ALIAS: |
3548 | ALIAS: |
2726 | is_ready = CF_READY |
3549 | is_ready = CF_READY |
2727 | is_running = CF_RUNNING |
3550 | is_running = CF_RUNNING |
2728 | is_new = CF_NEW |
3551 | is_new = CF_NEW |
2729 | is_destroyed = CF_DESTROYED |
3552 | is_destroyed = CF_ZOMBIE |
|
|
3553 | is_zombie = CF_ZOMBIE |
|
|
3554 | is_suspended = CF_SUSPENDED |
2730 | CODE: |
3555 | CODE: |
2731 | RETVAL = boolSV (coro->flags & ix); |
3556 | RETVAL = boolSV (coro->flags & ix); |
2732 | OUTPUT: |
3557 | OUTPUT: |
2733 | RETVAL |
3558 | RETVAL |
2734 | |
3559 | |
2735 | void |
3560 | void |
2736 | throw (Coro::State self, SV *throw = &PL_sv_undef) |
3561 | throw (Coro::State self, SV *exception = &PL_sv_undef) |
2737 | PROTOTYPE: $;$ |
3562 | PROTOTYPE: $;$ |
2738 | CODE: |
3563 | CODE: |
2739 | { |
3564 | { |
2740 | struct coro *current = SvSTATE_current; |
3565 | struct coro *current = SvSTATE_current; |
2741 | SV **throwp = self == current ? &CORO_THROW : &self->except; |
3566 | SV **exceptionp = self == current ? &CORO_THROW : &self->except; |
2742 | SvREFCNT_dec (*throwp); |
3567 | SvREFCNT_dec (*exceptionp); |
2743 | *throwp = SvOK (throw) ? newSVsv (throw) : 0; |
3568 | SvGETMAGIC (exception); |
|
|
3569 | *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; |
2744 | } |
3570 | } |
2745 | |
3571 | |
2746 | void |
3572 | void |
2747 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3573 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
2748 | PROTOTYPE: $;$ |
3574 | PROTOTYPE: $;$ |
… | |
… | |
2750 | |
3576 | |
2751 | SV * |
3577 | SV * |
2752 | has_cctx (Coro::State coro) |
3578 | has_cctx (Coro::State coro) |
2753 | PROTOTYPE: $ |
3579 | PROTOTYPE: $ |
2754 | CODE: |
3580 | CODE: |
2755 | RETVAL = boolSV (!!coro->cctx); |
3581 | /* maybe manage the running flag differently */ |
|
|
3582 | RETVAL = boolSV (!!coro->cctx || (coro->flags & CF_RUNNING)); |
2756 | OUTPUT: |
3583 | OUTPUT: |
2757 | RETVAL |
3584 | RETVAL |
2758 | |
3585 | |
2759 | int |
3586 | int |
2760 | is_traced (Coro::State coro) |
3587 | is_traced (Coro::State coro) |
… | |
… | |
2780 | |
3607 | |
2781 | void |
3608 | void |
2782 | force_cctx () |
3609 | force_cctx () |
2783 | PROTOTYPE: |
3610 | PROTOTYPE: |
2784 | CODE: |
3611 | CODE: |
2785 | SvSTATE_current->cctx->idle_sp = 0; |
3612 | cctx_current->idle_sp = 0; |
2786 | |
3613 | |
2787 | void |
3614 | void |
2788 | swap_defsv (Coro::State self) |
3615 | swap_defsv (Coro::State self) |
2789 | PROTOTYPE: $ |
3616 | PROTOTYPE: $ |
2790 | ALIAS: |
3617 | ALIAS: |
… | |
… | |
2798 | SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv; |
3625 | SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv; |
2799 | |
3626 | |
2800 | SV *tmp = *src; *src = *dst; *dst = tmp; |
3627 | SV *tmp = *src; *src = *dst; *dst = tmp; |
2801 | } |
3628 | } |
2802 | |
3629 | |
|
|
3630 | void |
|
|
3631 | cancel (Coro::State self) |
|
|
3632 | CODE: |
|
|
3633 | coro_state_destroy (aTHX_ self); |
|
|
3634 | |
|
|
3635 | SV * |
|
|
3636 | enable_times (int enabled = enable_times) |
|
|
3637 | CODE: |
|
|
3638 | { |
|
|
3639 | RETVAL = boolSV (enable_times); |
|
|
3640 | |
|
|
3641 | if (enabled != enable_times) |
|
|
3642 | { |
|
|
3643 | enable_times = enabled; |
|
|
3644 | |
|
|
3645 | coro_times_update (); |
|
|
3646 | (enabled ? coro_times_sub : coro_times_add)(SvSTATE (coro_current)); |
|
|
3647 | } |
|
|
3648 | } |
|
|
3649 | OUTPUT: |
|
|
3650 | RETVAL |
|
|
3651 | |
|
|
3652 | void |
|
|
3653 | times (Coro::State self) |
|
|
3654 | PPCODE: |
|
|
3655 | { |
|
|
3656 | struct coro *current = SvSTATE (coro_current); |
|
|
3657 | |
|
|
3658 | if (expect_false (current == self)) |
|
|
3659 | { |
|
|
3660 | coro_times_update (); |
|
|
3661 | coro_times_add (SvSTATE (coro_current)); |
|
|
3662 | } |
|
|
3663 | |
|
|
3664 | EXTEND (SP, 2); |
|
|
3665 | PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9))); |
|
|
3666 | PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9))); |
|
|
3667 | |
|
|
3668 | if (expect_false (current == self)) |
|
|
3669 | coro_times_sub (SvSTATE (coro_current)); |
|
|
3670 | } |
|
|
3671 | |
|
|
3672 | void |
|
|
3673 | swap_sv (Coro::State coro, SV *sv, SV *swapsv) |
|
|
3674 | CODE: |
|
|
3675 | { |
|
|
3676 | struct coro *current = SvSTATE_current; |
|
|
3677 | |
|
|
3678 | if (current == coro) |
|
|
3679 | SWAP_SVS (current); |
|
|
3680 | |
|
|
3681 | if (!coro->swap_sv) |
|
|
3682 | coro->swap_sv = newAV (); |
|
|
3683 | |
|
|
3684 | av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (sv ))); |
|
|
3685 | av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (swapsv))); |
|
|
3686 | |
|
|
3687 | if (current == coro) |
|
|
3688 | SWAP_SVS (current); |
|
|
3689 | } |
|
|
3690 | |
2803 | |
3691 | |
2804 | MODULE = Coro::State PACKAGE = Coro |
3692 | MODULE = Coro::State PACKAGE = Coro |
2805 | |
3693 | |
2806 | BOOT: |
3694 | BOOT: |
2807 | { |
3695 | { |
2808 | int i; |
|
|
2809 | |
|
|
2810 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
|
|
2811 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3696 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
2812 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3697 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
2813 | |
3698 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
2814 | coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE); |
3699 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
2815 | SvREADONLY_on (coro_current); |
3700 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
|
|
3701 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
|
|
3702 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
|
|
3703 | sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); |
2816 | |
3704 | |
|
|
3705 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
|
|
3706 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
|
|
3707 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
|
|
3708 | CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */ |
|
|
3709 | |
2817 | coro_stash = gv_stashpv ("Coro", TRUE); |
3710 | coro_stash = gv_stashpv ("Coro", TRUE); |
2818 | |
3711 | |
2819 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
3712 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
2820 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
3713 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
2821 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); |
3714 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL)); |
2822 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); |
3715 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (CORO_PRIO_LOW)); |
2823 | newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE)); |
3716 | newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (CORO_PRIO_IDLE)); |
2824 | newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN)); |
3717 | newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (CORO_PRIO_MIN)); |
2825 | |
|
|
2826 | for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) |
|
|
2827 | coro_ready[i] = newAV (); |
|
|
2828 | |
3718 | |
2829 | { |
3719 | { |
2830 | SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE); |
3720 | SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE); |
2831 | |
3721 | |
2832 | coroapi.schedule = api_schedule; |
3722 | coroapi.schedule = api_schedule; |
|
|
3723 | coroapi.schedule_to = api_schedule_to; |
2833 | coroapi.cede = api_cede; |
3724 | coroapi.cede = api_cede; |
2834 | coroapi.cede_notself = api_cede_notself; |
3725 | coroapi.cede_notself = api_cede_notself; |
2835 | coroapi.ready = api_ready; |
3726 | coroapi.ready = api_ready; |
2836 | coroapi.is_ready = api_is_ready; |
3727 | coroapi.is_ready = api_is_ready; |
2837 | coroapi.nready = coro_nready; |
3728 | coroapi.nready = coro_nready; |
… | |
… | |
2841 | sv_setiv (sv, (IV)&coroapi); |
3732 | sv_setiv (sv, (IV)&coroapi); |
2842 | SvREADONLY_on (sv); |
3733 | SvREADONLY_on (sv); |
2843 | } |
3734 | } |
2844 | } |
3735 | } |
2845 | |
3736 | |
|
|
3737 | SV * |
|
|
3738 | async (...) |
|
|
3739 | PROTOTYPE: &@ |
|
|
3740 | CODE: |
|
|
3741 | RETVAL = coro_new (aTHX_ coro_stash, &ST (0), items, 1); |
|
|
3742 | api_ready (aTHX_ RETVAL); |
|
|
3743 | OUTPUT: |
|
|
3744 | RETVAL |
|
|
3745 | |
|
|
3746 | void |
|
|
3747 | _destroy (Coro::State coro) |
|
|
3748 | CODE: |
|
|
3749 | /* used by the manager thread */ |
|
|
3750 | coro_state_destroy (aTHX_ coro); |
|
|
3751 | |
|
|
3752 | void |
|
|
3753 | on_destroy (Coro::State coro, SV *cb) |
|
|
3754 | CODE: |
|
|
3755 | coro_push_on_destroy (aTHX_ coro, newSVsv (cb)); |
|
|
3756 | |
|
|
3757 | void |
|
|
3758 | join (...) |
|
|
3759 | CODE: |
|
|
3760 | CORO_EXECUTE_SLF_XS (slf_init_join); |
|
|
3761 | |
|
|
3762 | void |
|
|
3763 | terminate (...) |
|
|
3764 | CODE: |
|
|
3765 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
|
|
3766 | |
|
|
3767 | void |
|
|
3768 | cancel (...) |
|
|
3769 | CODE: |
|
|
3770 | CORO_EXECUTE_SLF_XS (slf_init_cancel); |
|
|
3771 | |
|
|
3772 | int |
|
|
3773 | safe_cancel (Coro::State self, ...) |
|
|
3774 | C_ARGS: aTHX_ self, &ST (1), items - 1 |
|
|
3775 | |
2846 | void |
3776 | void |
2847 | schedule (...) |
3777 | schedule (...) |
2848 | CODE: |
3778 | CODE: |
2849 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
3779 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
|
|
3780 | |
|
|
3781 | void |
|
|
3782 | schedule_to (...) |
|
|
3783 | CODE: |
|
|
3784 | CORO_EXECUTE_SLF_XS (slf_init_schedule_to); |
|
|
3785 | |
|
|
3786 | void |
|
|
3787 | cede_to (...) |
|
|
3788 | CODE: |
|
|
3789 | CORO_EXECUTE_SLF_XS (slf_init_cede_to); |
2850 | |
3790 | |
2851 | void |
3791 | void |
2852 | cede (...) |
3792 | cede (...) |
2853 | CODE: |
3793 | CODE: |
2854 | CORO_EXECUTE_SLF_XS (slf_init_cede); |
3794 | CORO_EXECUTE_SLF_XS (slf_init_cede); |
… | |
… | |
2868 | void |
3808 | void |
2869 | _set_readyhook (SV *hook) |
3809 | _set_readyhook (SV *hook) |
2870 | PROTOTYPE: $ |
3810 | PROTOTYPE: $ |
2871 | CODE: |
3811 | CODE: |
2872 | SvREFCNT_dec (coro_readyhook); |
3812 | SvREFCNT_dec (coro_readyhook); |
|
|
3813 | SvGETMAGIC (hook); |
|
|
3814 | if (SvOK (hook)) |
|
|
3815 | { |
2873 | coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0; |
3816 | coro_readyhook = newSVsv (hook); |
|
|
3817 | CORO_READYHOOK = invoke_sv_ready_hook_helper; |
|
|
3818 | } |
|
|
3819 | else |
|
|
3820 | { |
|
|
3821 | coro_readyhook = 0; |
|
|
3822 | CORO_READYHOOK = 0; |
|
|
3823 | } |
2874 | |
3824 | |
2875 | int |
3825 | int |
2876 | prio (Coro::State coro, int newprio = 0) |
3826 | prio (Coro::State coro, int newprio = 0) |
2877 | PROTOTYPE: $;$ |
3827 | PROTOTYPE: $;$ |
2878 | ALIAS: |
3828 | ALIAS: |
… | |
… | |
2884 | if (items > 1) |
3834 | if (items > 1) |
2885 | { |
3835 | { |
2886 | if (ix) |
3836 | if (ix) |
2887 | newprio = coro->prio - newprio; |
3837 | newprio = coro->prio - newprio; |
2888 | |
3838 | |
2889 | if (newprio < PRIO_MIN) newprio = PRIO_MIN; |
3839 | if (newprio < CORO_PRIO_MIN) newprio = CORO_PRIO_MIN; |
2890 | if (newprio > PRIO_MAX) newprio = PRIO_MAX; |
3840 | if (newprio > CORO_PRIO_MAX) newprio = CORO_PRIO_MAX; |
2891 | |
3841 | |
2892 | coro->prio = newprio; |
3842 | coro->prio = newprio; |
2893 | } |
3843 | } |
2894 | } |
3844 | } |
2895 | OUTPUT: |
3845 | OUTPUT: |
… | |
… | |
2909 | CODE: |
3859 | CODE: |
2910 | RETVAL = coro_nready; |
3860 | RETVAL = coro_nready; |
2911 | OUTPUT: |
3861 | OUTPUT: |
2912 | RETVAL |
3862 | RETVAL |
2913 | |
3863 | |
2914 | # for async_pool speedup |
|
|
2915 | void |
3864 | void |
2916 | _pool_1 (SV *cb) |
3865 | suspend (Coro::State self) |
|
|
3866 | PROTOTYPE: $ |
2917 | CODE: |
3867 | CODE: |
2918 | { |
3868 | self->flags |= CF_SUSPENDED; |
2919 | HV *hv = (HV *)SvRV (coro_current); |
|
|
2920 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
|
|
2921 | AV *defav = GvAV (PL_defgv); |
|
|
2922 | SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0); |
|
|
2923 | AV *invoke_av; |
|
|
2924 | int i, len; |
|
|
2925 | |
3869 | |
2926 | if (!invoke) |
3870 | void |
|
|
3871 | resume (Coro::State self) |
|
|
3872 | PROTOTYPE: $ |
|
|
3873 | CODE: |
|
|
3874 | self->flags &= ~CF_SUSPENDED; |
|
|
3875 | |
|
|
3876 | void |
|
|
3877 | _pool_handler (...) |
|
|
3878 | CODE: |
|
|
3879 | CORO_EXECUTE_SLF_XS (slf_init_pool_handler); |
|
|
3880 | |
|
|
3881 | void |
|
|
3882 | async_pool (SV *cv, ...) |
|
|
3883 | PROTOTYPE: &@ |
|
|
3884 | PPCODE: |
|
|
3885 | { |
|
|
3886 | HV *hv = (HV *)av_pop (av_async_pool); |
|
|
3887 | AV *av = newAV (); |
|
|
3888 | SV *cb = ST (0); |
|
|
3889 | int i; |
|
|
3890 | |
|
|
3891 | av_extend (av, items - 2); |
|
|
3892 | for (i = 1; i < items; ++i) |
|
|
3893 | av_push (av, SvREFCNT_inc_NN (ST (i))); |
|
|
3894 | |
|
|
3895 | if ((SV *)hv == &PL_sv_undef) |
2927 | { |
3896 | { |
2928 | SV *old = PL_diehook; |
3897 | SV *sv = coro_new (aTHX_ coro_stash, (SV **)&cv_pool_handler, 1, 1); |
2929 | PL_diehook = 0; |
3898 | hv = (HV *)SvREFCNT_inc_NN (SvRV (sv)); |
2930 | SvREFCNT_dec (old); |
3899 | SvREFCNT_dec (sv); |
2931 | croak ("\3async_pool terminate\2\n"); |
|
|
2932 | } |
3900 | } |
2933 | |
3901 | |
2934 | SvREFCNT_dec (coro->saved_deffh); |
|
|
2935 | coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv); |
|
|
2936 | |
|
|
2937 | hv_store (hv, "desc", sizeof ("desc") - 1, |
|
|
2938 | newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0); |
|
|
2939 | |
|
|
2940 | invoke_av = (AV *)SvRV (invoke); |
|
|
2941 | len = av_len (invoke_av); |
|
|
2942 | |
|
|
2943 | sv_setsv (cb, AvARRAY (invoke_av)[0]); |
|
|
2944 | |
|
|
2945 | if (len > 0) |
|
|
2946 | { |
3902 | { |
2947 | av_fill (defav, len - 1); |
3903 | struct coro *coro = SvSTATE_hv (hv); |
2948 | for (i = 0; i < len; ++i) |
3904 | |
2949 | av_store (defav, i, SvREFCNT_inc_NN (AvARRAY (invoke_av)[i + 1])); |
3905 | assert (!coro->invoke_cb); |
|
|
3906 | assert (!coro->invoke_av); |
|
|
3907 | coro->invoke_cb = SvREFCNT_inc (cb); |
|
|
3908 | coro->invoke_av = av; |
2950 | } |
3909 | } |
2951 | } |
|
|
2952 | |
3910 | |
2953 | void |
3911 | api_ready (aTHX_ (SV *)hv); |
2954 | _pool_2 (SV *cb) |
|
|
2955 | CODE: |
|
|
2956 | { |
|
|
2957 | HV *hv = (HV *)SvRV (coro_current); |
|
|
2958 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
|
|
2959 | |
3912 | |
2960 | sv_setsv (cb, &PL_sv_undef); |
3913 | if (GIMME_V != G_VOID) |
2961 | |
3914 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv))); |
2962 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
3915 | else |
2963 | coro->saved_deffh = 0; |
|
|
2964 | |
|
|
2965 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
|
|
2966 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
|
|
2967 | { |
|
|
2968 | SV *old = PL_diehook; |
|
|
2969 | PL_diehook = 0; |
|
|
2970 | SvREFCNT_dec (old); |
3916 | SvREFCNT_dec (hv); |
2971 | croak ("\3async_pool terminate\2\n"); |
|
|
2972 | } |
|
|
2973 | |
|
|
2974 | av_clear (GvAV (PL_defgv)); |
|
|
2975 | hv_store (hv, "desc", sizeof ("desc") - 1, |
|
|
2976 | newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0); |
|
|
2977 | |
|
|
2978 | coro->prio = 0; |
|
|
2979 | |
|
|
2980 | if (coro->cctx && (coro->cctx->flags & CC_TRACE)) |
|
|
2981 | api_trace (aTHX_ coro_current, 0); |
|
|
2982 | |
|
|
2983 | av_push (av_async_pool, newSVsv (coro_current)); |
|
|
2984 | } |
3917 | } |
2985 | |
3918 | |
2986 | SV * |
3919 | SV * |
2987 | rouse_cb () |
3920 | rouse_cb () |
2988 | PROTOTYPE: |
3921 | PROTOTYPE: |
… | |
… | |
2990 | RETVAL = coro_new_rouse_cb (aTHX); |
3923 | RETVAL = coro_new_rouse_cb (aTHX); |
2991 | OUTPUT: |
3924 | OUTPUT: |
2992 | RETVAL |
3925 | RETVAL |
2993 | |
3926 | |
2994 | void |
3927 | void |
2995 | rouse_wait (SV *cb = 0) |
3928 | rouse_wait (...) |
2996 | PROTOTYPE: ;$ |
3929 | PROTOTYPE: ;$ |
2997 | PPCODE: |
3930 | PPCODE: |
2998 | CORO_EXECUTE_SLF_XS (slf_init_rouse_wait); |
3931 | CORO_EXECUTE_SLF_XS (slf_init_rouse_wait); |
2999 | |
3932 | |
|
|
3933 | void |
|
|
3934 | on_enter (SV *block) |
|
|
3935 | ALIAS: |
|
|
3936 | on_leave = 1 |
|
|
3937 | PROTOTYPE: & |
|
|
3938 | CODE: |
|
|
3939 | { |
|
|
3940 | struct coro *coro = SvSTATE_current; |
|
|
3941 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
|
|
3942 | |
|
|
3943 | block = s_get_cv_croak (block); |
|
|
3944 | |
|
|
3945 | if (!*avp) |
|
|
3946 | *avp = newAV (); |
|
|
3947 | |
|
|
3948 | av_push (*avp, SvREFCNT_inc (block)); |
|
|
3949 | |
|
|
3950 | if (!ix) |
|
|
3951 | on_enterleave_call (aTHX_ block); |
|
|
3952 | |
|
|
3953 | LEAVE; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */ |
|
|
3954 | SAVEDESTRUCTOR_X (ix ? coro_pop_on_leave : coro_pop_on_enter, (void *)coro); |
|
|
3955 | ENTER; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */ |
|
|
3956 | } |
|
|
3957 | |
3000 | |
3958 | |
3001 | MODULE = Coro::State PACKAGE = PerlIO::cede |
3959 | MODULE = Coro::State PACKAGE = PerlIO::cede |
3002 | |
3960 | |
3003 | BOOT: |
3961 | BOOT: |
3004 | PerlIO_define_layer (aTHX_ &PerlIO_cede); |
3962 | PerlIO_define_layer (aTHX_ &PerlIO_cede); |
… | |
… | |
3007 | MODULE = Coro::State PACKAGE = Coro::Semaphore |
3965 | MODULE = Coro::State PACKAGE = Coro::Semaphore |
3008 | |
3966 | |
3009 | SV * |
3967 | SV * |
3010 | new (SV *klass, SV *count = 0) |
3968 | new (SV *klass, SV *count = 0) |
3011 | CODE: |
3969 | CODE: |
|
|
3970 | { |
|
|
3971 | int semcnt = 1; |
|
|
3972 | |
|
|
3973 | if (count) |
|
|
3974 | { |
|
|
3975 | SvGETMAGIC (count); |
|
|
3976 | |
|
|
3977 | if (SvOK (count)) |
|
|
3978 | semcnt = SvIV (count); |
|
|
3979 | } |
|
|
3980 | |
3012 | RETVAL = sv_bless ( |
3981 | RETVAL = sv_bless ( |
3013 | coro_waitarray_new (aTHX_ count && SvOK (count) ? SvIV (count) : 1), |
3982 | coro_waitarray_new (aTHX_ semcnt), |
3014 | GvSTASH (CvGV (cv)) |
3983 | GvSTASH (CvGV (cv)) |
3015 | ); |
3984 | ); |
|
|
3985 | } |
3016 | OUTPUT: |
3986 | OUTPUT: |
3017 | RETVAL |
3987 | RETVAL |
3018 | |
3988 | |
3019 | # helper for Coro::Channel |
3989 | # helper for Coro::Channel and others |
3020 | SV * |
3990 | SV * |
3021 | _alloc (int count) |
3991 | _alloc (int count) |
3022 | CODE: |
3992 | CODE: |
3023 | RETVAL = coro_waitarray_new (aTHX_ count); |
3993 | RETVAL = coro_waitarray_new (aTHX_ count); |
3024 | OUTPUT: |
3994 | OUTPUT: |
… | |
… | |
3037 | adjust = 1 |
4007 | adjust = 1 |
3038 | CODE: |
4008 | CODE: |
3039 | coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), ix ? adjust : 1); |
4009 | coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), ix ? adjust : 1); |
3040 | |
4010 | |
3041 | void |
4011 | void |
3042 | down (SV *self) |
4012 | down (...) |
3043 | CODE: |
4013 | CODE: |
3044 | CORO_EXECUTE_SLF_XS (slf_init_semaphore_down); |
4014 | CORO_EXECUTE_SLF_XS (slf_init_semaphore_down); |
3045 | |
4015 | |
3046 | void |
4016 | void |
3047 | wait (SV *self) |
4017 | wait (...) |
3048 | CODE: |
4018 | CODE: |
3049 | CORO_EXECUTE_SLF_XS (slf_init_semaphore_wait); |
4019 | CORO_EXECUTE_SLF_XS (slf_init_semaphore_wait); |
3050 | |
4020 | |
3051 | void |
4021 | void |
3052 | try (SV *self) |
4022 | try (SV *self) |
… | |
… | |
3082 | for (i = 1; i <= wcount; ++i) |
4052 | for (i = 1; i <= wcount; ++i) |
3083 | PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i]))); |
4053 | PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i]))); |
3084 | } |
4054 | } |
3085 | } |
4055 | } |
3086 | |
4056 | |
|
|
4057 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
|
|
4058 | |
|
|
4059 | void |
|
|
4060 | _may_delete (SV *sem, int count, int extra_refs) |
|
|
4061 | PPCODE: |
|
|
4062 | { |
|
|
4063 | AV *av = (AV *)SvRV (sem); |
|
|
4064 | |
|
|
4065 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
|
|
4066 | && AvFILLp (av) == 0 /* no waiters, just count */ |
|
|
4067 | && SvIV (AvARRAY (av)[0]) == count) |
|
|
4068 | XSRETURN_YES; |
|
|
4069 | |
|
|
4070 | XSRETURN_NO; |
|
|
4071 | } |
|
|
4072 | |
3087 | MODULE = Coro::State PACKAGE = Coro::Signal |
4073 | MODULE = Coro::State PACKAGE = Coro::Signal |
3088 | |
4074 | |
3089 | SV * |
4075 | SV * |
3090 | new (SV *klass) |
4076 | new (SV *klass) |
3091 | CODE: |
4077 | CODE: |
… | |
… | |
3095 | ); |
4081 | ); |
3096 | OUTPUT: |
4082 | OUTPUT: |
3097 | RETVAL |
4083 | RETVAL |
3098 | |
4084 | |
3099 | void |
4085 | void |
3100 | wait (SV *self) |
4086 | wait (...) |
3101 | CODE: |
4087 | CODE: |
3102 | CORO_EXECUTE_SLF_XS (slf_init_signal_wait); |
4088 | CORO_EXECUTE_SLF_XS (slf_init_signal_wait); |
3103 | |
4089 | |
3104 | void |
4090 | void |
3105 | broadcast (SV *self) |
4091 | broadcast (SV *self) |
… | |
… | |
3162 | |
4148 | |
3163 | void |
4149 | void |
3164 | _register (char *target, char *proto, SV *req) |
4150 | _register (char *target, char *proto, SV *req) |
3165 | CODE: |
4151 | CODE: |
3166 | { |
4152 | { |
3167 | HV *st; |
4153 | SV *req_cv = s_get_cv_croak (req); |
3168 | GV *gvp; |
|
|
3169 | CV *req_cv = sv_2cv (req, &st, &gvp, 0); |
|
|
3170 | /* newXSproto doesn't return the CV on 5.8 */ |
4154 | /* newXSproto doesn't return the CV on 5.8 */ |
3171 | CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__); |
4155 | CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__); |
3172 | sv_setpv ((SV *)slf_cv, proto); |
4156 | sv_setpv ((SV *)slf_cv, proto); |
3173 | sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0); |
4157 | sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0); |
3174 | } |
4158 | } |
3175 | |
4159 | |
|
|
4160 | MODULE = Coro::State PACKAGE = Coro::Select |
|
|
4161 | |
|
|
4162 | void |
|
|
4163 | patch_pp_sselect () |
|
|
4164 | CODE: |
|
|
4165 | if (!coro_old_pp_sselect) |
|
|
4166 | { |
|
|
4167 | coro_select_select = (SV *)get_cv ("Coro::Select::select", 0); |
|
|
4168 | coro_old_pp_sselect = PL_ppaddr [OP_SSELECT]; |
|
|
4169 | PL_ppaddr [OP_SSELECT] = coro_pp_sselect; |
|
|
4170 | } |
|
|
4171 | |
|
|
4172 | void |
|
|
4173 | unpatch_pp_sselect () |
|
|
4174 | CODE: |
|
|
4175 | if (coro_old_pp_sselect) |
|
|
4176 | { |
|
|
4177 | PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; |
|
|
4178 | coro_old_pp_sselect = 0; |
|
|
4179 | } |
|
|
4180 | |