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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" |
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17 | #include "ecb.h" |
12 | |
18 | |
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19 | #include <stddef.h> |
13 | #include <stdio.h> |
20 | #include <stdio.h> |
14 | #include <errno.h> |
21 | #include <errno.h> |
15 | #include <assert.h> |
22 | #include <assert.h> |
16 | |
23 | |
17 | #ifdef WIN32 |
24 | #ifndef SVs_PADSTALE |
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25 | # define SVs_PADSTALE 0 |
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26 | #endif |
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27 | |
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28 | #if defined(_WIN32) |
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29 | # undef HAS_GETTIMEOFDAY |
18 | # undef setjmp |
30 | # undef setjmp |
19 | # undef longjmp |
31 | # undef longjmp |
20 | # undef _exit |
32 | # undef _exit |
21 | # define setjmp _setjmp /* deep magic */ |
33 | # define setjmp _setjmp /* deep magic */ |
22 | #else |
34 | #else |
23 | # include <inttypes.h> /* most portable stdint.h */ |
35 | # include <inttypes.h> /* most portable stdint.h */ |
24 | #endif |
36 | #endif |
25 | |
37 | |
26 | #ifdef HAVE_MMAP |
38 | #if HAVE_MMAP |
27 | # include <unistd.h> |
39 | # include <unistd.h> |
28 | # include <sys/mman.h> |
40 | # include <sys/mman.h> |
29 | # ifndef MAP_ANONYMOUS |
41 | # ifndef MAP_ANONYMOUS |
30 | # ifdef MAP_ANON |
42 | # ifdef MAP_ANON |
31 | # define MAP_ANONYMOUS MAP_ANON |
43 | # define MAP_ANONYMOUS MAP_ANON |
… | |
… | |
51 | #endif |
63 | #endif |
52 | |
64 | |
53 | /* the maximum number of idle cctx that will be pooled */ |
65 | /* the maximum number of idle cctx that will be pooled */ |
54 | static int cctx_max_idle = 4; |
66 | static int cctx_max_idle = 4; |
55 | |
67 | |
56 | #define PERL_VERSION_ATLEAST(a,b,c) \ |
68 | #if defined(DEBUGGING) && PERL_VERSION_ATLEAST(5,12,0) |
57 | (PERL_REVISION > (a) \ |
69 | # define HAS_SCOPESTACK_NAME 1 |
58 | || (PERL_REVISION == (a) \ |
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59 | && (PERL_VERSION > (b) \ |
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60 | || (PERL_VERSION == (b) && PERL_SUBVERSION >= (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 | #ifndef CvISXSUB |
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104 | # define CvISXSUB(cv) (CvXSUB (cv) ? TRUE : FALSE) |
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105 | #endif |
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106 | #ifndef Newx |
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107 | # define Newx(ptr,nitems,type) New (0,ptr,nitems,type) |
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108 | #endif |
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109 | |
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110 | /* 5.8.7 */ |
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111 | #ifndef SvRV_set |
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112 | # define SvRV_set(s,v) SvRV(s) = (v) |
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113 | #endif |
70 | #endif |
114 | |
71 | |
115 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
72 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
116 | # undef CORO_STACKGUARD |
73 | # undef CORO_STACKGUARD |
117 | #endif |
74 | #endif |
… | |
… | |
135 | # define STACKLEVEL ((void *)&stacklevel) |
92 | # define STACKLEVEL ((void *)&stacklevel) |
136 | #endif |
93 | #endif |
137 | |
94 | |
138 | #define IN_DESTRUCT PL_dirty |
95 | #define IN_DESTRUCT PL_dirty |
139 | |
96 | |
140 | #if __GNUC__ >= 3 |
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141 | # define attribute(x) __attribute__(x) |
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142 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
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143 | # define INLINE static inline |
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144 | #else |
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145 | # define attribute(x) |
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146 | # define expect(expr,value) (expr) |
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147 | # define INLINE static |
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148 | #endif |
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149 | |
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150 | #define expect_false(expr) expect ((expr) != 0, 0) |
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151 | #define expect_true(expr) expect ((expr) != 0, 1) |
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152 | |
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153 | #define NOINLINE attribute ((noinline)) |
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154 | |
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155 | #include "CoroAPI.h" |
97 | #include "CoroAPI.h" |
156 | #define GCoroAPI (&coroapi) /* very sneaky */ |
98 | #define GCoroAPI (&coroapi) /* very sneaky */ |
157 | |
99 | |
158 | #ifdef USE_ITHREADS |
100 | #ifdef USE_ITHREADS |
159 | # if CORO_PTHREAD |
101 | # if CORO_PTHREAD |
160 | static void *coro_thx; |
102 | static void *coro_thx; |
161 | # endif |
103 | # endif |
162 | #endif |
104 | #endif |
163 | |
105 | |
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106 | /* used in state.h */ |
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107 | #define VAR(name,type) VARx(name, PL_ ## name, type) |
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108 | |
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109 | #ifdef __linux |
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110 | # include <time.h> /* for timespec */ |
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111 | # include <syscall.h> /* for SYS_* */ |
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112 | # ifdef SYS_clock_gettime |
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113 | # define coro_clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
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114 | # define CORO_CLOCK_MONOTONIC 1 |
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115 | # define CORO_CLOCK_THREAD_CPUTIME_ID 3 |
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116 | # endif |
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117 | #endif |
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118 | |
164 | static double (*nvtime)(); /* so why doesn't it take void? */ |
119 | static double (*nvtime)(); /* so why doesn't it take void? */ |
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120 | static void (*u2time)(pTHX_ UV ret[2]); |
165 | |
121 | |
166 | /* we hijack an hopefully unused CV flag for our purposes */ |
122 | /* we hijack an hopefully unused CV flag for our purposes */ |
167 | #define CVf_SLF 0x4000 |
123 | #define CVf_SLF 0x4000 |
168 | static OP *pp_slf (pTHX); |
124 | static OP *pp_slf (pTHX); |
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125 | static void slf_destroy (pTHX_ struct coro *coro); |
169 | |
126 | |
170 | static U32 cctx_gen; |
127 | static U32 cctx_gen; |
171 | static size_t cctx_stacksize = CORO_STACKSIZE; |
128 | static size_t cctx_stacksize = CORO_STACKSIZE; |
172 | static struct CoroAPI coroapi; |
129 | static struct CoroAPI coroapi; |
173 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
130 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
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190 | static SV *sv_pool_size; |
147 | static SV *sv_pool_size; |
191 | static SV *sv_async_pool_idle; /* description string */ |
148 | static SV *sv_async_pool_idle; /* description string */ |
192 | static AV *av_async_pool; /* idle pool */ |
149 | static AV *av_async_pool; /* idle pool */ |
193 | static SV *sv_Coro; /* class string */ |
150 | static SV *sv_Coro; /* class string */ |
194 | static CV *cv_pool_handler; |
151 | static CV *cv_pool_handler; |
195 | static CV *cv_coro_state_new; |
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196 | |
152 | |
197 | /* Coro::AnyEvent */ |
153 | /* Coro::AnyEvent */ |
198 | static SV *sv_activity; |
154 | static SV *sv_activity; |
199 | |
155 | |
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156 | /* enable processtime/realtime profiling */ |
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157 | static char enable_times; |
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158 | typedef U32 coro_ts[2]; |
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159 | static coro_ts time_real, time_cpu; |
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160 | static char times_valid; |
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161 | |
200 | static struct coro_cctx *cctx_first; |
162 | static struct coro_cctx *cctx_first; |
201 | static int cctx_count, cctx_idle; |
163 | static int cctx_count, cctx_idle; |
202 | |
164 | |
203 | enum { |
165 | enum |
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166 | { |
204 | CC_MAPPED = 0x01, |
167 | CC_MAPPED = 0x01, |
205 | CC_NOREUSE = 0x02, /* throw this away after tracing */ |
168 | CC_NOREUSE = 0x02, /* throw this away after tracing */ |
206 | CC_TRACE = 0x04, |
169 | CC_TRACE = 0x04, |
207 | CC_TRACE_SUB = 0x08, /* trace sub calls */ |
170 | CC_TRACE_SUB = 0x08, /* trace sub calls */ |
208 | CC_TRACE_LINE = 0x10, /* trace each statement */ |
171 | CC_TRACE_LINE = 0x10, /* trace each statement */ |
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229 | int valgrind_id; |
192 | int valgrind_id; |
230 | #endif |
193 | #endif |
231 | unsigned char flags; |
194 | unsigned char flags; |
232 | } coro_cctx; |
195 | } coro_cctx; |
233 | |
196 | |
234 | coro_cctx *cctx_current; /* the currently running cctx */ |
197 | static coro_cctx *cctx_current; /* the currently running cctx */ |
235 | |
198 | |
236 | /*****************************************************************************/ |
199 | /*****************************************************************************/ |
237 | |
200 | |
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201 | static MGVTBL coro_state_vtbl; |
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202 | |
238 | enum { |
203 | enum |
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204 | { |
239 | CF_RUNNING = 0x0001, /* coroutine is running */ |
205 | CF_RUNNING = 0x0001, /* coroutine is running */ |
240 | CF_READY = 0x0002, /* coroutine is ready */ |
206 | CF_READY = 0x0002, /* coroutine is ready */ |
241 | CF_NEW = 0x0004, /* has never been switched to */ |
207 | CF_NEW = 0x0004, /* has never been switched to */ |
242 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
208 | CF_ZOMBIE = 0x0008, /* coroutine data has been freed */ |
243 | CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */ |
209 | CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */ |
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210 | CF_NOCANCEL = 0x0020, /* cannot cancel, set slf_frame.data to 1 (hackish) */ |
244 | }; |
211 | }; |
245 | |
212 | |
246 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
213 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
247 | typedef struct |
214 | typedef struct |
248 | { |
215 | { |
249 | SV *defsv; |
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250 | AV *defav; |
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251 | SV *errsv; |
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252 | SV *irsgv; |
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253 | HV *hinthv; |
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254 | #define VAR(name,type) type name; |
216 | #define VARx(name,expr,type) type name; |
255 | # include "state.h" |
217 | # include "state.h" |
256 | #undef VAR |
218 | #undef VARx |
257 | } perl_slots; |
219 | } perl_slots; |
258 | |
220 | |
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221 | /* how many context stack entries do we need for perl_slots */ |
259 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
222 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
260 | |
223 | |
261 | /* this is a structure representing a perl-level coroutine */ |
224 | /* this is a structure representing a perl-level coroutine */ |
262 | struct coro { |
225 | struct coro |
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226 | { |
263 | /* the C coroutine allocated to this perl coroutine, if any */ |
227 | /* the C coroutine allocated to this perl coroutine, if any */ |
264 | coro_cctx *cctx; |
228 | coro_cctx *cctx; |
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229 | |
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230 | /* ready queue */ |
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231 | struct coro *next_ready; |
265 | |
232 | |
266 | /* state data */ |
233 | /* state data */ |
267 | struct CoroSLF slf_frame; /* saved slf frame */ |
234 | struct CoroSLF slf_frame; /* saved slf frame */ |
268 | AV *mainstack; |
235 | AV *mainstack; |
269 | perl_slots *slot; /* basically the saved sp */ |
236 | perl_slots *slot; /* basically the saved sp */ |
270 | |
237 | |
271 | CV *startcv; /* the CV to execute */ |
238 | CV *startcv; /* the CV to execute */ |
272 | AV *args; /* data associated with this coroutine (initial args) */ |
239 | AV *args; /* data associated with this coroutine (initial args) */ |
273 | int refcnt; /* coroutines are refcounted, yes */ |
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274 | int flags; /* CF_ flags */ |
240 | int flags; /* CF_ flags */ |
275 | HV *hv; /* the perl hash associated with this coro, if any */ |
241 | HV *hv; /* the perl hash associated with this coro, if any */ |
276 | void (*on_destroy)(pTHX_ struct coro *coro); |
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277 | |
242 | |
278 | /* statistics */ |
243 | /* statistics */ |
279 | int usecount; /* number of transfers to this coro */ |
244 | int usecount; /* number of transfers to this coro */ |
280 | |
245 | |
281 | /* coro process data */ |
246 | /* coro process data */ |
282 | int prio; |
247 | int prio; |
283 | SV *except; /* exception to be thrown */ |
248 | SV *except; /* exception to be thrown */ |
284 | SV *rouse_cb; |
249 | SV *rouse_cb; /* last rouse callback */ |
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250 | AV *on_destroy; /* callbacks or coros to notify on destroy */ |
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251 | AV *status; /* the exit status list */ |
285 | |
252 | |
286 | /* async_pool */ |
253 | /* async_pool */ |
287 | SV *saved_deffh; |
254 | SV *saved_deffh; |
288 | SV *invoke_cb; |
255 | SV *invoke_cb; |
289 | AV *invoke_av; |
256 | AV *invoke_av; |
290 | |
257 | |
291 | /* on_enter/on_leave */ |
258 | /* on_enter/on_leave */ |
292 | AV *on_enter; |
259 | AV *on_enter; |
293 | AV *on_leave; |
260 | AV *on_leave; |
294 | |
261 | |
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262 | /* swap_sv */ |
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263 | AV *swap_sv; |
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264 | |
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265 | /* times */ |
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266 | coro_ts t_cpu, t_real; |
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267 | |
295 | /* linked list */ |
268 | /* linked list */ |
296 | struct coro *next, *prev; |
269 | struct coro *next, *prev; |
297 | }; |
270 | }; |
298 | |
271 | |
299 | typedef struct coro *Coro__State; |
272 | typedef struct coro *Coro__State; |
300 | typedef struct coro *Coro__State_or_hashref; |
273 | typedef struct coro *Coro__State_or_hashref; |
301 | |
274 | |
302 | /* the following variables are effectively part of the perl context */ |
275 | /* the following variables are effectively part of the perl context */ |
303 | /* and get copied between struct coro and these variables */ |
276 | /* and get copied between struct coro and these variables */ |
304 | /* the mainr easonw e don't support windows process emulation */ |
277 | /* the main reason we don't support windows process emulation */ |
305 | static struct CoroSLF slf_frame; /* the current slf frame */ |
278 | static struct CoroSLF slf_frame; /* the current slf frame */ |
306 | |
279 | |
307 | /** Coro ********************************************************************/ |
280 | /** Coro ********************************************************************/ |
308 | |
281 | |
309 | #define PRIO_MAX 3 |
282 | #define CORO_PRIO_MAX 3 |
310 | #define PRIO_HIGH 1 |
283 | #define CORO_PRIO_HIGH 1 |
311 | #define PRIO_NORMAL 0 |
284 | #define CORO_PRIO_NORMAL 0 |
312 | #define PRIO_LOW -1 |
285 | #define CORO_PRIO_LOW -1 |
313 | #define PRIO_IDLE -3 |
286 | #define CORO_PRIO_IDLE -3 |
314 | #define PRIO_MIN -4 |
287 | #define CORO_PRIO_MIN -4 |
315 | |
288 | |
316 | /* for Coro.pm */ |
289 | /* for Coro.pm */ |
317 | static SV *coro_current; |
290 | static SV *coro_current; |
318 | static SV *coro_readyhook; |
291 | static SV *coro_readyhook; |
319 | static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1]; |
292 | static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ |
320 | static CV *cv_coro_run, *cv_coro_terminate; |
293 | static CV *cv_coro_run; |
321 | static struct coro *coro_first; |
294 | static struct coro *coro_first; |
322 | #define coro_nready coroapi.nready |
295 | #define coro_nready coroapi.nready |
323 | |
296 | |
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297 | /** JIT *********************************************************************/ |
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298 | |
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299 | #if CORO_JIT |
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300 | /* APPLE doesn't have HAVE_MMAP though */ |
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301 | #define CORO_JIT_UNIXY (__linux || __FreeBSD__ || __OpenBSD__ || __NetBSD__ || __solaris || __APPLE__) |
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302 | #ifndef CORO_JIT_TYPE |
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303 | #if __x86_64 && CORO_JIT_UNIXY |
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304 | #define CORO_JIT_TYPE "amd64-unix" |
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305 | #elif __i386 && CORO_JIT_UNIXY |
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306 | #define CORO_JIT_TYPE "x86-unix" |
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307 | #endif |
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308 | #endif |
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309 | #endif |
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310 | |
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311 | #if !defined(CORO_JIT_TYPE) || !HAVE_MMAP |
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312 | #undef CORO_JIT |
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313 | #endif |
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314 | |
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315 | #if CORO_JIT |
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316 | typedef void (*load_save_perl_slots_type)(perl_slots *); |
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317 | static load_save_perl_slots_type load_perl_slots, save_perl_slots; |
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318 | #endif |
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319 | |
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320 | /** Coro::Select ************************************************************/ |
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321 | |
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322 | static OP *(*coro_old_pp_sselect) (pTHX); |
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323 | static SV *coro_select_select; |
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324 | |
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325 | /* horrible hack, but if it works... */ |
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326 | static OP * |
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327 | coro_pp_sselect (pTHX) |
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328 | { |
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329 | dSP; |
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330 | PUSHMARK (SP - 4); /* fake argument list */ |
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331 | XPUSHs (coro_select_select); |
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332 | PUTBACK; |
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333 | |
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334 | /* entersub is an UNOP, select a LISTOP... keep your fingers crossed */ |
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335 | PL_op->op_flags |= OPf_STACKED; |
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336 | PL_op->op_private = 0; |
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337 | return PL_ppaddr [OP_ENTERSUB](aTHX); |
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338 | } |
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339 | |
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340 | /** time stuff **************************************************************/ |
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341 | |
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342 | #ifdef HAS_GETTIMEOFDAY |
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343 | |
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344 | ecb_inline void |
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345 | coro_u2time (pTHX_ UV ret[2]) |
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346 | { |
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347 | struct timeval tv; |
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348 | gettimeofday (&tv, 0); |
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349 | |
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350 | ret [0] = tv.tv_sec; |
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351 | ret [1] = tv.tv_usec; |
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352 | } |
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353 | |
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354 | ecb_inline double |
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355 | coro_nvtime (void) |
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356 | { |
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357 | struct timeval tv; |
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358 | gettimeofday (&tv, 0); |
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359 | |
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360 | return tv.tv_sec + tv.tv_usec * 1e-6; |
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361 | } |
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362 | |
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363 | ecb_inline void |
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364 | time_init (pTHX) |
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365 | { |
|
|
366 | nvtime = coro_nvtime; |
|
|
367 | u2time = coro_u2time; |
|
|
368 | } |
|
|
369 | |
|
|
370 | #else |
|
|
371 | |
|
|
372 | ecb_inline void |
|
|
373 | time_init (pTHX) |
|
|
374 | { |
|
|
375 | SV **svp; |
|
|
376 | |
|
|
377 | require_pv ("Time/HiRes.pm"); |
|
|
378 | |
|
|
379 | svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
|
|
380 | |
|
|
381 | if (!svp) croak ("Time::HiRes is required, but missing. Caught"); |
|
|
382 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer. Caught"); |
|
|
383 | |
|
|
384 | nvtime = INT2PTR (double (*)(), SvIV (*svp)); |
|
|
385 | |
|
|
386 | svp = hv_fetch (PL_modglobal, "Time::U2time", 12, 0); |
|
|
387 | u2time = INT2PTR (void (*)(pTHX_ UV ret[2]), SvIV (*svp)); |
|
|
388 | } |
|
|
389 | |
|
|
390 | #endif |
|
|
391 | |
324 | /** lowlevel stuff **********************************************************/ |
392 | /** lowlevel stuff **********************************************************/ |
325 | |
393 | |
326 | static SV * |
394 | static SV * ecb_noinline |
327 | coro_get_sv (pTHX_ const char *name, int create) |
395 | coro_get_sv (pTHX_ const char *name, int create) |
328 | { |
396 | { |
329 | #if PERL_VERSION_ATLEAST (5,10,0) |
397 | #if PERL_VERSION_ATLEAST (5,10,0) |
330 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
398 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
331 | get_sv (name, create); |
399 | get_sv (name, create); |
332 | #endif |
400 | #endif |
333 | return get_sv (name, create); |
401 | return get_sv (name, create); |
334 | } |
402 | } |
335 | |
403 | |
336 | static AV * |
404 | static AV * ecb_noinline |
337 | coro_get_av (pTHX_ const char *name, int create) |
405 | coro_get_av (pTHX_ const char *name, int create) |
338 | { |
406 | { |
339 | #if PERL_VERSION_ATLEAST (5,10,0) |
407 | #if PERL_VERSION_ATLEAST (5,10,0) |
340 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
408 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
341 | get_av (name, create); |
409 | get_av (name, create); |
342 | #endif |
410 | #endif |
343 | return get_av (name, create); |
411 | return get_av (name, create); |
344 | } |
412 | } |
345 | |
413 | |
346 | static HV * |
414 | static HV * ecb_noinline |
347 | coro_get_hv (pTHX_ const char *name, int create) |
415 | coro_get_hv (pTHX_ const char *name, int create) |
348 | { |
416 | { |
349 | #if PERL_VERSION_ATLEAST (5,10,0) |
417 | #if PERL_VERSION_ATLEAST (5,10,0) |
350 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
418 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
351 | get_hv (name, create); |
419 | get_hv (name, create); |
352 | #endif |
420 | #endif |
353 | return get_hv (name, create); |
421 | return get_hv (name, create); |
354 | } |
422 | } |
355 | |
423 | |
356 | /* may croak */ |
424 | ecb_inline void |
357 | INLINE CV * |
425 | coro_times_update (void) |
358 | coro_sv_2cv (pTHX_ SV *sv) |
|
|
359 | { |
426 | { |
360 | HV *st; |
427 | #ifdef coro_clock_gettime |
361 | GV *gvp; |
428 | struct timespec ts; |
362 | CV *cv = sv_2cv (sv, &st, &gvp, 0); |
|
|
363 | |
429 | |
364 | if (!cv) |
430 | ts.tv_sec = ts.tv_nsec = 0; |
365 | croak ("code reference expected"); |
431 | coro_clock_gettime (CORO_CLOCK_THREAD_CPUTIME_ID, &ts); |
|
|
432 | time_cpu [0] = ts.tv_sec; time_cpu [1] = ts.tv_nsec; |
366 | |
433 | |
367 | return cv; |
434 | ts.tv_sec = ts.tv_nsec = 0; |
|
|
435 | coro_clock_gettime (CORO_CLOCK_MONOTONIC, &ts); |
|
|
436 | time_real [0] = ts.tv_sec; time_real [1] = ts.tv_nsec; |
|
|
437 | #else |
|
|
438 | dTHX; |
|
|
439 | UV tv[2]; |
|
|
440 | |
|
|
441 | u2time (aTHX_ tv); |
|
|
442 | time_real [0] = tv [0]; |
|
|
443 | time_real [1] = tv [1] * 1000; |
|
|
444 | #endif |
|
|
445 | } |
|
|
446 | |
|
|
447 | ecb_inline void |
|
|
448 | coro_times_add (struct coro *c) |
|
|
449 | { |
|
|
450 | c->t_real [1] += time_real [1]; |
|
|
451 | if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } |
|
|
452 | c->t_real [0] += time_real [0]; |
|
|
453 | |
|
|
454 | c->t_cpu [1] += time_cpu [1]; |
|
|
455 | if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } |
|
|
456 | c->t_cpu [0] += time_cpu [0]; |
|
|
457 | } |
|
|
458 | |
|
|
459 | ecb_inline void |
|
|
460 | coro_times_sub (struct coro *c) |
|
|
461 | { |
|
|
462 | if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } |
|
|
463 | c->t_real [1] -= time_real [1]; |
|
|
464 | c->t_real [0] -= time_real [0]; |
|
|
465 | |
|
|
466 | if (c->t_cpu [1] < time_cpu [1]) { c->t_cpu [1] += 1000000000; --c->t_cpu [0]; } |
|
|
467 | c->t_cpu [1] -= time_cpu [1]; |
|
|
468 | c->t_cpu [0] -= time_cpu [0]; |
368 | } |
469 | } |
369 | |
470 | |
370 | /*****************************************************************************/ |
471 | /*****************************************************************************/ |
371 | /* magic glue */ |
472 | /* magic glue */ |
372 | |
473 | |
373 | #define CORO_MAGIC_type_cv 26 |
474 | #define CORO_MAGIC_type_cv 26 |
374 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
475 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
375 | |
476 | |
376 | #define CORO_MAGIC_NN(sv, type) \ |
477 | #define CORO_MAGIC_NN(sv, type) \ |
377 | (expect_true (SvMAGIC (sv)->mg_type == type) \ |
478 | (ecb_expect_true (SvMAGIC (sv)->mg_type == type) \ |
378 | ? SvMAGIC (sv) \ |
479 | ? SvMAGIC (sv) \ |
379 | : mg_find (sv, type)) |
480 | : mg_find (sv, type)) |
380 | |
481 | |
381 | #define CORO_MAGIC(sv, type) \ |
482 | #define CORO_MAGIC(sv, type) \ |
382 | (expect_true (SvMAGIC (sv)) \ |
483 | (ecb_expect_true (SvMAGIC (sv)) \ |
383 | ? CORO_MAGIC_NN (sv, type) \ |
484 | ? CORO_MAGIC_NN (sv, type) \ |
384 | : 0) |
485 | : 0) |
385 | |
486 | |
386 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
487 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
387 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
488 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
388 | |
489 | |
389 | INLINE struct coro * |
490 | ecb_inline MAGIC * |
|
|
491 | SvSTATEhv_p (pTHX_ SV *coro) |
|
|
492 | { |
|
|
493 | MAGIC *mg; |
|
|
494 | |
|
|
495 | if (ecb_expect_true ( |
|
|
496 | SvTYPE (coro) == SVt_PVHV |
|
|
497 | && (mg = CORO_MAGIC_state (coro)) |
|
|
498 | && mg->mg_virtual == &coro_state_vtbl |
|
|
499 | )) |
|
|
500 | return mg; |
|
|
501 | |
|
|
502 | return 0; |
|
|
503 | } |
|
|
504 | |
|
|
505 | ecb_inline struct coro * |
390 | SvSTATE_ (pTHX_ SV *coro) |
506 | SvSTATE_ (pTHX_ SV *coro) |
391 | { |
507 | { |
392 | HV *stash; |
|
|
393 | MAGIC *mg; |
508 | MAGIC *mg; |
394 | |
509 | |
395 | if (SvROK (coro)) |
510 | if (SvROK (coro)) |
396 | coro = SvRV (coro); |
511 | coro = SvRV (coro); |
397 | |
512 | |
398 | if (expect_false (SvTYPE (coro) != SVt_PVHV)) |
513 | mg = SvSTATEhv_p (aTHX_ coro); |
|
|
514 | if (!mg) |
399 | croak ("Coro::State object required"); |
515 | croak ("Coro::State object required"); |
400 | |
516 | |
401 | stash = SvSTASH (coro); |
|
|
402 | if (expect_false (stash != coro_stash && stash != coro_state_stash)) |
|
|
403 | { |
|
|
404 | /* very slow, but rare, check */ |
|
|
405 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
|
|
406 | croak ("Coro::State object required"); |
|
|
407 | } |
|
|
408 | |
|
|
409 | mg = CORO_MAGIC_state (coro); |
|
|
410 | return (struct coro *)mg->mg_ptr; |
517 | return (struct coro *)mg->mg_ptr; |
411 | } |
518 | } |
412 | |
519 | |
413 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
520 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
414 | |
521 | |
… | |
… | |
417 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
524 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
418 | |
525 | |
419 | /*****************************************************************************/ |
526 | /*****************************************************************************/ |
420 | /* padlist management and caching */ |
527 | /* padlist management and caching */ |
421 | |
528 | |
422 | static AV * |
529 | ecb_inline AV * |
423 | coro_derive_padlist (pTHX_ CV *cv) |
530 | coro_derive_padlist (pTHX_ CV *cv) |
424 | { |
531 | { |
425 | AV *padlist = CvPADLIST (cv); |
532 | AV *padlist = CvPADLIST (cv); |
426 | AV *newpadlist, *newpad; |
533 | AV *newpadlist, *newpad; |
427 | |
534 | |
… | |
… | |
439 | av_store (newpadlist, 1, (SV *)newpad); |
546 | av_store (newpadlist, 1, (SV *)newpad); |
440 | |
547 | |
441 | return newpadlist; |
548 | return newpadlist; |
442 | } |
549 | } |
443 | |
550 | |
444 | static void |
551 | ecb_inline void |
445 | free_padlist (pTHX_ AV *padlist) |
552 | free_padlist (pTHX_ AV *padlist) |
446 | { |
553 | { |
447 | /* may be during global destruction */ |
554 | /* may be during global destruction */ |
448 | if (!IN_DESTRUCT) |
555 | if (!IN_DESTRUCT) |
449 | { |
556 | { |
… | |
… | |
473 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
580 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
474 | { |
581 | { |
475 | AV *padlist; |
582 | AV *padlist; |
476 | AV *av = (AV *)mg->mg_obj; |
583 | AV *av = (AV *)mg->mg_obj; |
477 | |
584 | |
|
|
585 | /* perl manages to free our internal AV and _then_ call us */ |
|
|
586 | if (IN_DESTRUCT) |
|
|
587 | return 0; |
|
|
588 | |
478 | /* casting is fun. */ |
589 | /* casting is fun. */ |
479 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
590 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
480 | free_padlist (aTHX_ padlist); |
591 | free_padlist (aTHX_ padlist); |
481 | |
592 | |
482 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
593 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
… | |
… | |
488 | 0, 0, 0, 0, |
599 | 0, 0, 0, 0, |
489 | coro_cv_free |
600 | coro_cv_free |
490 | }; |
601 | }; |
491 | |
602 | |
492 | /* the next two functions merely cache the padlists */ |
603 | /* the next two functions merely cache the padlists */ |
493 | static void |
604 | ecb_inline void |
494 | get_padlist (pTHX_ CV *cv) |
605 | get_padlist (pTHX_ CV *cv) |
495 | { |
606 | { |
496 | MAGIC *mg = CORO_MAGIC_cv (cv); |
607 | MAGIC *mg = CORO_MAGIC_cv (cv); |
497 | AV *av; |
608 | AV *av; |
498 | |
609 | |
499 | if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
610 | if (ecb_expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
500 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
611 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
501 | else |
612 | else |
502 | { |
613 | { |
503 | #if CORO_PREFER_PERL_FUNCTIONS |
614 | #if CORO_PREFER_PERL_FUNCTIONS |
504 | /* this is probably cleaner? but also slower! */ |
615 | /* this is probably cleaner? but also slower! */ |
… | |
… | |
511 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
622 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
512 | #endif |
623 | #endif |
513 | } |
624 | } |
514 | } |
625 | } |
515 | |
626 | |
516 | static void |
627 | ecb_inline void |
517 | put_padlist (pTHX_ CV *cv) |
628 | put_padlist (pTHX_ CV *cv) |
518 | { |
629 | { |
519 | MAGIC *mg = CORO_MAGIC_cv (cv); |
630 | MAGIC *mg = CORO_MAGIC_cv (cv); |
520 | AV *av; |
631 | AV *av; |
521 | |
632 | |
522 | if (expect_false (!mg)) |
633 | if (ecb_expect_false (!mg)) |
523 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
634 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
524 | |
635 | |
525 | av = (AV *)mg->mg_obj; |
636 | av = (AV *)mg->mg_obj; |
526 | |
637 | |
527 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
638 | if (ecb_expect_false (AvFILLp (av) >= AvMAX (av))) |
528 | av_extend (av, AvFILLp (av) + 1); |
639 | av_extend (av, AvFILLp (av) + 1); |
529 | |
640 | |
530 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
641 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
531 | } |
642 | } |
532 | |
643 | |
533 | /** load & save, init *******************************************************/ |
644 | /** load & save, init *******************************************************/ |
|
|
645 | |
|
|
646 | /* swap sv heads, at least logically */ |
|
|
647 | static void |
|
|
648 | swap_svs (pTHX_ Coro__State c) |
|
|
649 | { |
|
|
650 | int i; |
|
|
651 | |
|
|
652 | for (i = 0; i <= AvFILLp (c->swap_sv); ) |
|
|
653 | { |
|
|
654 | SV *a = AvARRAY (c->swap_sv)[i++]; |
|
|
655 | SV *b = AvARRAY (c->swap_sv)[i++]; |
|
|
656 | |
|
|
657 | const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */ |
|
|
658 | SV tmp; |
|
|
659 | |
|
|
660 | /* swap sv_any */ |
|
|
661 | SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp); |
|
|
662 | |
|
|
663 | /* swap sv_flags */ |
|
|
664 | SvFLAGS (&tmp) = SvFLAGS (a); |
|
|
665 | SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep); |
|
|
666 | SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep); |
|
|
667 | |
|
|
668 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
669 | /* perl 5.10 complicates this _quite_ a bit, but it also is |
|
|
670 | * much faster, so no quarrels here. alternatively, we could |
|
|
671 | * sv_upgrade to avoid this. |
|
|
672 | */ |
|
|
673 | { |
|
|
674 | /* swap sv_u */ |
|
|
675 | tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u; |
|
|
676 | |
|
|
677 | /* if SvANY points to the head, we need to adjust the pointers, |
|
|
678 | * as the pointer for a still points to b, and maybe vice versa. |
|
|
679 | */ |
|
|
680 | #define svany_in_head(type) \ |
|
|
681 | (((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type))) |
|
|
682 | |
|
|
683 | if (svany_in_head (SvTYPE (a))) |
|
|
684 | SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a); |
|
|
685 | |
|
|
686 | if (svany_in_head (SvTYPE (b))) |
|
|
687 | SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b); |
|
|
688 | } |
|
|
689 | #endif |
|
|
690 | } |
|
|
691 | } |
|
|
692 | |
|
|
693 | #define SWAP_SVS(coro) \ |
|
|
694 | if (ecb_expect_false ((coro)->swap_sv)) \ |
|
|
695 | swap_svs (aTHX_ (coro)) |
534 | |
696 | |
535 | static void |
697 | static void |
536 | on_enterleave_call (pTHX_ SV *cb); |
698 | on_enterleave_call (pTHX_ SV *cb); |
537 | |
699 | |
538 | static void |
700 | static void |
… | |
… | |
541 | perl_slots *slot = c->slot; |
703 | perl_slots *slot = c->slot; |
542 | c->slot = 0; |
704 | c->slot = 0; |
543 | |
705 | |
544 | PL_mainstack = c->mainstack; |
706 | PL_mainstack = c->mainstack; |
545 | |
707 | |
546 | GvSV (PL_defgv) = slot->defsv; |
708 | #if CORO_JIT |
547 | GvAV (PL_defgv) = slot->defav; |
709 | load_perl_slots (slot); |
548 | GvSV (PL_errgv) = slot->errsv; |
710 | #else |
549 | GvSV (irsgv) = slot->irsgv; |
|
|
550 | GvHV (PL_hintgv) = slot->hinthv; |
|
|
551 | |
|
|
552 | #define VAR(name,type) PL_ ## name = slot->name; |
711 | #define VARx(name,expr,type) expr = slot->name; |
553 | # include "state.h" |
712 | # include "state.h" |
554 | #undef VAR |
713 | #undef VARx |
|
|
714 | #endif |
555 | |
715 | |
556 | { |
716 | { |
557 | dSP; |
717 | dSP; |
558 | |
718 | |
559 | CV *cv; |
719 | CV *cv; |
560 | |
720 | |
561 | /* now do the ugly restore mess */ |
721 | /* now do the ugly restore mess */ |
562 | while (expect_true (cv = (CV *)POPs)) |
722 | while (ecb_expect_true (cv = (CV *)POPs)) |
563 | { |
723 | { |
564 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
724 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
565 | CvDEPTH (cv) = PTR2IV (POPs); |
725 | CvDEPTH (cv) = PTR2IV (POPs); |
566 | CvPADLIST (cv) = (AV *)POPs; |
726 | CvPADLIST (cv) = (AV *)POPs; |
567 | } |
727 | } |
… | |
… | |
570 | } |
730 | } |
571 | |
731 | |
572 | slf_frame = c->slf_frame; |
732 | slf_frame = c->slf_frame; |
573 | CORO_THROW = c->except; |
733 | CORO_THROW = c->except; |
574 | |
734 | |
|
|
735 | if (ecb_expect_false (enable_times)) |
|
|
736 | { |
|
|
737 | if (ecb_expect_false (!times_valid)) |
|
|
738 | coro_times_update (); |
|
|
739 | |
|
|
740 | coro_times_sub (c); |
|
|
741 | } |
|
|
742 | |
575 | if (expect_false (c->on_enter)) |
743 | if (ecb_expect_false (c->on_enter)) |
576 | { |
744 | { |
577 | int i; |
745 | int i; |
578 | |
746 | |
579 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
747 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
580 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
748 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
581 | } |
749 | } |
|
|
750 | |
|
|
751 | SWAP_SVS (c); |
582 | } |
752 | } |
583 | |
753 | |
584 | static void |
754 | static void |
585 | save_perl (pTHX_ Coro__State c) |
755 | save_perl (pTHX_ Coro__State c) |
586 | { |
756 | { |
|
|
757 | SWAP_SVS (c); |
|
|
758 | |
587 | if (expect_false (c->on_leave)) |
759 | if (ecb_expect_false (c->on_leave)) |
588 | { |
760 | { |
589 | int i; |
761 | int i; |
590 | |
762 | |
591 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
763 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
592 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
764 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
|
|
765 | } |
|
|
766 | |
|
|
767 | times_valid = 0; |
|
|
768 | |
|
|
769 | if (ecb_expect_false (enable_times)) |
|
|
770 | { |
|
|
771 | coro_times_update (); times_valid = 1; |
|
|
772 | coro_times_add (c); |
593 | } |
773 | } |
594 | |
774 | |
595 | c->except = CORO_THROW; |
775 | c->except = CORO_THROW; |
596 | c->slf_frame = slf_frame; |
776 | c->slf_frame = slf_frame; |
597 | |
777 | |
… | |
… | |
608 | |
788 | |
609 | XPUSHs (Nullsv); |
789 | XPUSHs (Nullsv); |
610 | /* this loop was inspired by pp_caller */ |
790 | /* this loop was inspired by pp_caller */ |
611 | for (;;) |
791 | for (;;) |
612 | { |
792 | { |
613 | while (expect_true (cxix >= 0)) |
793 | while (ecb_expect_true (cxix >= 0)) |
614 | { |
794 | { |
615 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
795 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
616 | |
796 | |
617 | if (expect_true (CxTYPE (cx) == CXt_SUB || CxTYPE (cx) == CXt_FORMAT)) |
797 | if (ecb_expect_true (CxTYPE (cx) == CXt_SUB) || ecb_expect_false (CxTYPE (cx) == CXt_FORMAT)) |
618 | { |
798 | { |
619 | CV *cv = cx->blk_sub.cv; |
799 | CV *cv = cx->blk_sub.cv; |
620 | |
800 | |
621 | if (expect_true (CvDEPTH (cv))) |
801 | if (ecb_expect_true (CvDEPTH (cv))) |
622 | { |
802 | { |
623 | EXTEND (SP, 3); |
803 | EXTEND (SP, 3); |
624 | PUSHs ((SV *)CvPADLIST (cv)); |
804 | PUSHs ((SV *)CvPADLIST (cv)); |
625 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
805 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
626 | PUSHs ((SV *)cv); |
806 | PUSHs ((SV *)cv); |
… | |
… | |
629 | get_padlist (aTHX_ cv); |
809 | get_padlist (aTHX_ cv); |
630 | } |
810 | } |
631 | } |
811 | } |
632 | } |
812 | } |
633 | |
813 | |
634 | if (expect_true (top_si->si_type == PERLSI_MAIN)) |
814 | if (ecb_expect_true (top_si->si_type == PERLSI_MAIN)) |
635 | break; |
815 | break; |
636 | |
816 | |
637 | top_si = top_si->si_prev; |
817 | top_si = top_si->si_prev; |
638 | ccstk = top_si->si_cxstack; |
818 | ccstk = top_si->si_cxstack; |
639 | cxix = top_si->si_cxix; |
819 | cxix = top_si->si_cxix; |
… | |
… | |
641 | |
821 | |
642 | PUTBACK; |
822 | PUTBACK; |
643 | } |
823 | } |
644 | |
824 | |
645 | /* allocate some space on the context stack for our purposes */ |
825 | /* allocate some space on the context stack for our purposes */ |
646 | /* we manually unroll here, as usually 2 slots is enough */ |
826 | if (ecb_expect_false (cxstack_ix + (int)SLOT_COUNT >= cxstack_max)) |
647 | if (SLOT_COUNT >= 1) CXINC; |
|
|
648 | if (SLOT_COUNT >= 2) CXINC; |
|
|
649 | if (SLOT_COUNT >= 3) CXINC; |
|
|
650 | { |
827 | { |
651 | int i; |
828 | unsigned int i; |
|
|
829 | |
652 | for (i = 3; i < SLOT_COUNT; ++i) |
830 | for (i = 0; i < SLOT_COUNT; ++i) |
653 | CXINC; |
831 | CXINC; |
654 | } |
832 | |
655 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
833 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
|
|
834 | } |
656 | |
835 | |
657 | c->mainstack = PL_mainstack; |
836 | c->mainstack = PL_mainstack; |
658 | |
837 | |
659 | { |
838 | { |
660 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
839 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
661 | |
840 | |
662 | slot->defav = GvAV (PL_defgv); |
841 | #if CORO_JIT |
663 | slot->defsv = DEFSV; |
842 | save_perl_slots (slot); |
664 | slot->errsv = ERRSV; |
843 | #else |
665 | slot->irsgv = GvSV (irsgv); |
|
|
666 | slot->hinthv = GvHV (PL_hintgv); |
|
|
667 | |
|
|
668 | #define VAR(name,type) slot->name = PL_ ## name; |
844 | #define VARx(name,expr,type) slot->name = expr; |
669 | # include "state.h" |
845 | # include "state.h" |
670 | #undef VAR |
846 | #undef VARx |
|
|
847 | #endif |
671 | } |
848 | } |
672 | } |
849 | } |
673 | |
850 | |
674 | /* |
851 | /* |
675 | * allocate various perl stacks. This is almost an exact copy |
852 | * allocate various perl stacks. This is almost an exact copy |
… | |
… | |
681 | # define coro_init_stacks(thx) init_stacks () |
858 | # define coro_init_stacks(thx) init_stacks () |
682 | #else |
859 | #else |
683 | static void |
860 | static void |
684 | coro_init_stacks (pTHX) |
861 | coro_init_stacks (pTHX) |
685 | { |
862 | { |
686 | PL_curstackinfo = new_stackinfo(32, 8); |
863 | PL_curstackinfo = new_stackinfo(32, 4 + SLOT_COUNT); /* 3 is minimum due to perl rounding down in scope.c:GROW() */ |
687 | PL_curstackinfo->si_type = PERLSI_MAIN; |
864 | PL_curstackinfo->si_type = PERLSI_MAIN; |
688 | PL_curstack = PL_curstackinfo->si_stack; |
865 | PL_curstack = PL_curstackinfo->si_stack; |
689 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
866 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
690 | |
867 | |
691 | PL_stack_base = AvARRAY(PL_curstack); |
868 | PL_stack_base = AvARRAY(PL_curstack); |
… | |
… | |
706 | #endif |
883 | #endif |
707 | |
884 | |
708 | New(54,PL_scopestack,8,I32); |
885 | New(54,PL_scopestack,8,I32); |
709 | PL_scopestack_ix = 0; |
886 | PL_scopestack_ix = 0; |
710 | PL_scopestack_max = 8; |
887 | PL_scopestack_max = 8; |
|
|
888 | #if HAS_SCOPESTACK_NAME |
|
|
889 | New(54,PL_scopestack_name,8,const char*); |
|
|
890 | #endif |
711 | |
891 | |
712 | New(54,PL_savestack,24,ANY); |
892 | New(54,PL_savestack,24,ANY); |
713 | PL_savestack_ix = 0; |
893 | PL_savestack_ix = 0; |
714 | PL_savestack_max = 24; |
894 | PL_savestack_max = 24; |
715 | |
895 | |
… | |
… | |
743 | } |
923 | } |
744 | |
924 | |
745 | Safefree (PL_tmps_stack); |
925 | Safefree (PL_tmps_stack); |
746 | Safefree (PL_markstack); |
926 | Safefree (PL_markstack); |
747 | Safefree (PL_scopestack); |
927 | Safefree (PL_scopestack); |
|
|
928 | #if HAS_SCOPESTACK_NAME |
|
|
929 | Safefree (PL_scopestack_name); |
|
|
930 | #endif |
748 | Safefree (PL_savestack); |
931 | Safefree (PL_savestack); |
749 | #if !PERL_VERSION_ATLEAST (5,10,0) |
932 | #if !PERL_VERSION_ATLEAST (5,10,0) |
750 | Safefree (PL_retstack); |
933 | Safefree (PL_retstack); |
751 | #endif |
934 | #endif |
752 | } |
935 | } |
… | |
… | |
798 | #endif |
981 | #endif |
799 | |
982 | |
800 | /* |
983 | /* |
801 | * This overrides the default magic get method of %SIG elements. |
984 | * This overrides the default magic get method of %SIG elements. |
802 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
985 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
803 | * and instead of trying to save and restore the hash elements, we just provide |
986 | * and instead of trying to save and restore the hash elements (extremely slow), |
804 | * readback here. |
987 | * we just provide our own readback here. |
805 | */ |
988 | */ |
806 | static int |
989 | static int ecb_cold |
807 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
990 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
808 | { |
991 | { |
809 | const char *s = MgPV_nolen_const (mg); |
992 | const char *s = MgPV_nolen_const (mg); |
810 | |
993 | |
811 | if (*s == '_') |
994 | if (*s == '_') |
… | |
… | |
823 | } |
1006 | } |
824 | |
1007 | |
825 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
1008 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
826 | } |
1009 | } |
827 | |
1010 | |
828 | static int |
1011 | static int ecb_cold |
829 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
1012 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
830 | { |
1013 | { |
831 | const char *s = MgPV_nolen_const (mg); |
1014 | const char *s = MgPV_nolen_const (mg); |
832 | |
1015 | |
833 | if (*s == '_') |
1016 | if (*s == '_') |
… | |
… | |
847 | } |
1030 | } |
848 | |
1031 | |
849 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
1032 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
850 | } |
1033 | } |
851 | |
1034 | |
852 | static int |
1035 | static int ecb_cold |
853 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
1036 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
854 | { |
1037 | { |
855 | const char *s = MgPV_nolen_const (mg); |
1038 | const char *s = MgPV_nolen_const (mg); |
856 | |
1039 | |
857 | if (*s == '_') |
1040 | if (*s == '_') |
… | |
… | |
890 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
1073 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
891 | { |
1074 | { |
892 | return 1; |
1075 | return 1; |
893 | } |
1076 | } |
894 | |
1077 | |
895 | static UNOP coro_setup_op; |
1078 | static UNOP init_perl_op; |
896 | |
1079 | |
897 | static void NOINLINE /* noinline to keep it out of the transfer fast path */ |
1080 | ecb_noinline static void /* noinline to keep it out of the transfer fast path */ |
898 | coro_setup (pTHX_ struct coro *coro) |
1081 | init_perl (pTHX_ struct coro *coro) |
899 | { |
1082 | { |
900 | /* |
1083 | /* |
901 | * emulate part of the perl startup here. |
1084 | * emulate part of the perl startup here. |
902 | */ |
1085 | */ |
903 | coro_init_stacks (aTHX); |
1086 | coro_init_stacks (aTHX); |
… | |
… | |
910 | PL_comppad_name_fill = 0; |
1093 | PL_comppad_name_fill = 0; |
911 | PL_comppad_name_floor = 0; |
1094 | PL_comppad_name_floor = 0; |
912 | PL_curpm = 0; |
1095 | PL_curpm = 0; |
913 | PL_curpad = 0; |
1096 | PL_curpad = 0; |
914 | PL_localizing = 0; |
1097 | PL_localizing = 0; |
915 | PL_dirty = 0; |
|
|
916 | PL_restartop = 0; |
1098 | PL_restartop = 0; |
917 | #if PERL_VERSION_ATLEAST (5,10,0) |
1099 | #if PERL_VERSION_ATLEAST (5,10,0) |
918 | PL_parser = 0; |
1100 | PL_parser = 0; |
919 | #endif |
1101 | #endif |
920 | PL_hints = 0; |
1102 | PL_hints = 0; |
921 | |
1103 | |
922 | /* recreate the die/warn hooks */ |
1104 | /* recreate the die/warn hooks */ |
923 | PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); |
1105 | PL_diehook = SvREFCNT_inc (rv_diehook); |
924 | PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook); |
1106 | PL_warnhook = SvREFCNT_inc (rv_warnhook); |
925 | |
1107 | |
926 | GvSV (PL_defgv) = newSV (0); |
1108 | GvSV (PL_defgv) = newSV (0); |
927 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1109 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
928 | GvSV (PL_errgv) = newSV (0); |
1110 | GvSV (PL_errgv) = newSV (0); |
929 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
1111 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
… | |
… | |
950 | /* this newly created coroutine might be run on an existing cctx which most |
1132 | /* this newly created coroutine might be run on an existing cctx which most |
951 | * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. |
1133 | * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. |
952 | */ |
1134 | */ |
953 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
1135 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
954 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
1136 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
|
|
1137 | slf_frame.destroy = 0; |
955 | |
1138 | |
956 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
1139 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
957 | coro_setup_op.op_next = PL_op; |
1140 | init_perl_op.op_next = PL_op; |
958 | coro_setup_op.op_type = OP_ENTERSUB; |
1141 | init_perl_op.op_type = OP_ENTERSUB; |
959 | coro_setup_op.op_ppaddr = pp_slf; |
1142 | init_perl_op.op_ppaddr = pp_slf; |
960 | /* no flags etc. required, as an init function won't be called */ |
1143 | /* no flags etc. required, as an init function won't be called */ |
961 | |
1144 | |
962 | PL_op = (OP *)&coro_setup_op; |
1145 | PL_op = (OP *)&init_perl_op; |
963 | |
1146 | |
964 | /* copy throw, in case it was set before coro_setup */ |
1147 | /* copy throw, in case it was set before init_perl */ |
965 | CORO_THROW = coro->except; |
1148 | CORO_THROW = coro->except; |
|
|
1149 | |
|
|
1150 | SWAP_SVS (coro); |
|
|
1151 | |
|
|
1152 | if (ecb_expect_false (enable_times)) |
|
|
1153 | { |
|
|
1154 | coro_times_update (); |
|
|
1155 | coro_times_sub (coro); |
|
|
1156 | } |
966 | } |
1157 | } |
967 | |
1158 | |
968 | static void |
1159 | static void |
969 | coro_unwind_stacks (pTHX) |
1160 | coro_unwind_stacks (pTHX) |
970 | { |
1161 | { |
… | |
… | |
985 | dounwind (-1); |
1176 | dounwind (-1); |
986 | } |
1177 | } |
987 | } |
1178 | } |
988 | |
1179 | |
989 | static void |
1180 | static void |
990 | coro_destruct_perl (pTHX_ struct coro *coro) |
1181 | destroy_perl (pTHX_ struct coro *coro) |
991 | { |
1182 | { |
|
|
1183 | SV *svf [9]; |
|
|
1184 | |
|
|
1185 | { |
|
|
1186 | SV *old_current = SvRV (coro_current); |
|
|
1187 | struct coro *current = SvSTATE (old_current); |
|
|
1188 | |
|
|
1189 | assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack)); |
|
|
1190 | |
|
|
1191 | save_perl (aTHX_ current); |
|
|
1192 | |
|
|
1193 | /* this will cause transfer_check to croak on block*/ |
|
|
1194 | SvRV_set (coro_current, (SV *)coro->hv); |
|
|
1195 | |
|
|
1196 | load_perl (aTHX_ coro); |
|
|
1197 | |
992 | coro_unwind_stacks (aTHX); |
1198 | coro_unwind_stacks (aTHX); |
993 | |
1199 | |
994 | SvREFCNT_dec (GvSV (PL_defgv)); |
1200 | /* restore swapped sv's */ |
995 | SvREFCNT_dec (GvAV (PL_defgv)); |
1201 | SWAP_SVS (coro); |
996 | SvREFCNT_dec (GvSV (PL_errgv)); |
|
|
997 | SvREFCNT_dec (PL_defoutgv); |
|
|
998 | SvREFCNT_dec (PL_rs); |
|
|
999 | SvREFCNT_dec (GvSV (irsgv)); |
|
|
1000 | SvREFCNT_dec (GvHV (PL_hintgv)); |
|
|
1001 | |
1202 | |
1002 | SvREFCNT_dec (PL_diehook); |
1203 | coro_destruct_stacks (aTHX); |
1003 | SvREFCNT_dec (PL_warnhook); |
1204 | |
|
|
1205 | /* now save some sv's to be free'd later */ |
|
|
1206 | svf [0] = GvSV (PL_defgv); |
|
|
1207 | svf [1] = (SV *)GvAV (PL_defgv); |
|
|
1208 | svf [2] = GvSV (PL_errgv); |
|
|
1209 | svf [3] = (SV *)PL_defoutgv; |
|
|
1210 | svf [4] = PL_rs; |
|
|
1211 | svf [5] = GvSV (irsgv); |
|
|
1212 | svf [6] = (SV *)GvHV (PL_hintgv); |
|
|
1213 | svf [7] = PL_diehook; |
|
|
1214 | svf [8] = PL_warnhook; |
|
|
1215 | assert (9 == sizeof (svf) / sizeof (*svf)); |
|
|
1216 | |
|
|
1217 | SvRV_set (coro_current, old_current); |
|
|
1218 | |
|
|
1219 | load_perl (aTHX_ current); |
1004 | |
1220 | } |
|
|
1221 | |
|
|
1222 | { |
|
|
1223 | unsigned int i; |
|
|
1224 | |
|
|
1225 | for (i = 0; i < sizeof (svf) / sizeof (*svf); ++i) |
|
|
1226 | SvREFCNT_dec (svf [i]); |
|
|
1227 | |
1005 | SvREFCNT_dec (coro->saved_deffh); |
1228 | SvREFCNT_dec (coro->saved_deffh); |
1006 | SvREFCNT_dec (coro->rouse_cb); |
1229 | SvREFCNT_dec (coro->rouse_cb); |
1007 | SvREFCNT_dec (coro->invoke_cb); |
1230 | SvREFCNT_dec (coro->invoke_cb); |
1008 | SvREFCNT_dec (coro->invoke_av); |
1231 | SvREFCNT_dec (coro->invoke_av); |
1009 | |
1232 | } |
1010 | coro_destruct_stacks (aTHX); |
|
|
1011 | } |
1233 | } |
1012 | |
1234 | |
1013 | INLINE void |
1235 | ecb_inline void |
1014 | free_coro_mortal (pTHX) |
1236 | free_coro_mortal (pTHX) |
1015 | { |
1237 | { |
1016 | if (expect_true (coro_mortal)) |
1238 | if (ecb_expect_true (coro_mortal)) |
1017 | { |
1239 | { |
1018 | SvREFCNT_dec (coro_mortal); |
1240 | SvREFCNT_dec ((SV *)coro_mortal); |
1019 | coro_mortal = 0; |
1241 | coro_mortal = 0; |
1020 | } |
1242 | } |
1021 | } |
1243 | } |
1022 | |
1244 | |
1023 | static int |
1245 | static int |
… | |
… | |
1156 | |
1378 | |
1157 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1379 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1158 | } |
1380 | } |
1159 | |
1381 | |
1160 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1382 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1161 | static void NOINLINE |
1383 | static void ecb_noinline |
1162 | cctx_prepare (pTHX) |
1384 | cctx_prepare (pTHX) |
1163 | { |
1385 | { |
1164 | PL_top_env = &PL_start_env; |
1386 | PL_top_env = &PL_start_env; |
1165 | |
1387 | |
1166 | if (cctx_current->flags & CC_TRACE) |
1388 | if (cctx_current->flags & CC_TRACE) |
… | |
… | |
1177 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1399 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1178 | slf_frame.check = slf_check_set_stacklevel; |
1400 | slf_frame.check = slf_check_set_stacklevel; |
1179 | } |
1401 | } |
1180 | |
1402 | |
1181 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1403 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1182 | INLINE void |
1404 | ecb_inline void |
1183 | transfer_tail (pTHX) |
1405 | transfer_tail (pTHX) |
1184 | { |
1406 | { |
1185 | free_coro_mortal (aTHX); |
1407 | free_coro_mortal (aTHX); |
1186 | } |
1408 | } |
1187 | |
1409 | |
… | |
… | |
1212 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1434 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1213 | PL_restartop = PL_op; |
1435 | PL_restartop = PL_op; |
1214 | perl_run (PL_curinterp); |
1436 | perl_run (PL_curinterp); |
1215 | /* |
1437 | /* |
1216 | * Unfortunately, there is no way to get at the return values of the |
1438 | * Unfortunately, there is no way to get at the return values of the |
1217 | * coro body here, as perl_run destroys these |
1439 | * coro body here, as perl_run destroys these. Likewise, we cannot catch |
|
|
1440 | * runtime errors here, as this is just a random interpreter, not a thread. |
1218 | */ |
1441 | */ |
1219 | |
1442 | |
1220 | /* |
1443 | /* |
1221 | * If perl-run returns we assume exit() was being called or the coro |
1444 | * If perl-run returns we assume exit() was being called or the coro |
1222 | * fell off the end, which seems to be the only valid (non-bug) |
1445 | * fell off the end, which seems to be the only valid (non-bug) |
… | |
… | |
1230 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
1453 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
1231 | } |
1454 | } |
1232 | } |
1455 | } |
1233 | |
1456 | |
1234 | static coro_cctx * |
1457 | static coro_cctx * |
1235 | cctx_new () |
1458 | cctx_new (void) |
1236 | { |
1459 | { |
1237 | coro_cctx *cctx; |
1460 | coro_cctx *cctx; |
1238 | |
1461 | |
1239 | ++cctx_count; |
1462 | ++cctx_count; |
1240 | New (0, cctx, 1, coro_cctx); |
1463 | New (0, cctx, 1, coro_cctx); |
… | |
… | |
1246 | return cctx; |
1469 | return cctx; |
1247 | } |
1470 | } |
1248 | |
1471 | |
1249 | /* create a new cctx only suitable as source */ |
1472 | /* create a new cctx only suitable as source */ |
1250 | static coro_cctx * |
1473 | static coro_cctx * |
1251 | cctx_new_empty () |
1474 | cctx_new_empty (void) |
1252 | { |
1475 | { |
1253 | coro_cctx *cctx = cctx_new (); |
1476 | coro_cctx *cctx = cctx_new (); |
1254 | |
1477 | |
1255 | cctx->sptr = 0; |
1478 | cctx->sptr = 0; |
1256 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
1479 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
… | |
… | |
1258 | return cctx; |
1481 | return cctx; |
1259 | } |
1482 | } |
1260 | |
1483 | |
1261 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1484 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1262 | static coro_cctx * |
1485 | static coro_cctx * |
1263 | cctx_new_run () |
1486 | cctx_new_run (void) |
1264 | { |
1487 | { |
1265 | coro_cctx *cctx = cctx_new (); |
1488 | coro_cctx *cctx = cctx_new (); |
1266 | void *stack_start; |
1489 | void *stack_start; |
1267 | size_t stack_size; |
1490 | size_t stack_size; |
1268 | |
1491 | |
1269 | #if HAVE_MMAP |
1492 | #if HAVE_MMAP |
1270 | cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
1493 | cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
1271 | /* mmap supposedly does allocate-on-write for us */ |
1494 | /* mmap supposedly does allocate-on-write for us */ |
1272 | cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
1495 | cctx->sptr = mmap (0, cctx->ssize, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_ANONYMOUS, 0, 0); |
1273 | |
1496 | |
1274 | if (cctx->sptr != (void *)-1) |
1497 | if (cctx->sptr != (void *)-1) |
1275 | { |
1498 | { |
1276 | #if CORO_STACKGUARD |
1499 | #if CORO_STACKGUARD |
1277 | mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); |
1500 | mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); |
… | |
… | |
1309 | cctx_destroy (coro_cctx *cctx) |
1532 | cctx_destroy (coro_cctx *cctx) |
1310 | { |
1533 | { |
1311 | if (!cctx) |
1534 | if (!cctx) |
1312 | return; |
1535 | return; |
1313 | |
1536 | |
1314 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));//D temporary? |
1537 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current)); |
1315 | |
1538 | |
1316 | --cctx_count; |
1539 | --cctx_count; |
1317 | coro_destroy (&cctx->cctx); |
1540 | coro_destroy (&cctx->cctx); |
1318 | |
1541 | |
1319 | /* coro_transfer creates new, empty cctx's */ |
1542 | /* coro_transfer creates new, empty cctx's */ |
… | |
… | |
1338 | #define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) |
1561 | #define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) |
1339 | |
1562 | |
1340 | static coro_cctx * |
1563 | static coro_cctx * |
1341 | cctx_get (pTHX) |
1564 | cctx_get (pTHX) |
1342 | { |
1565 | { |
1343 | while (expect_true (cctx_first)) |
1566 | while (ecb_expect_true (cctx_first)) |
1344 | { |
1567 | { |
1345 | coro_cctx *cctx = cctx_first; |
1568 | coro_cctx *cctx = cctx_first; |
1346 | cctx_first = cctx->next; |
1569 | cctx_first = cctx->next; |
1347 | --cctx_idle; |
1570 | --cctx_idle; |
1348 | |
1571 | |
1349 | if (expect_true (!CCTX_EXPIRED (cctx))) |
1572 | if (ecb_expect_true (!CCTX_EXPIRED (cctx))) |
1350 | return cctx; |
1573 | return cctx; |
1351 | |
1574 | |
1352 | cctx_destroy (cctx); |
1575 | cctx_destroy (cctx); |
1353 | } |
1576 | } |
1354 | |
1577 | |
… | |
… | |
1359 | cctx_put (coro_cctx *cctx) |
1582 | cctx_put (coro_cctx *cctx) |
1360 | { |
1583 | { |
1361 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr)); |
1584 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr)); |
1362 | |
1585 | |
1363 | /* free another cctx if overlimit */ |
1586 | /* free another cctx if overlimit */ |
1364 | if (expect_false (cctx_idle >= cctx_max_idle)) |
1587 | if (ecb_expect_false (cctx_idle >= cctx_max_idle)) |
1365 | { |
1588 | { |
1366 | coro_cctx *first = cctx_first; |
1589 | coro_cctx *first = cctx_first; |
1367 | cctx_first = first->next; |
1590 | cctx_first = first->next; |
1368 | --cctx_idle; |
1591 | --cctx_idle; |
1369 | |
1592 | |
… | |
… | |
1380 | static void |
1603 | static void |
1381 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1604 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1382 | { |
1605 | { |
1383 | /* TODO: throwing up here is considered harmful */ |
1606 | /* TODO: throwing up here is considered harmful */ |
1384 | |
1607 | |
1385 | if (expect_true (prev != next)) |
1608 | if (ecb_expect_true (prev != next)) |
1386 | { |
1609 | { |
1387 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1610 | if (ecb_expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1388 | croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); |
1611 | croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); |
1389 | |
1612 | |
1390 | if (expect_false (next->flags & (CF_RUNNING | CF_DESTROYED | CF_SUSPENDED))) |
1613 | if (ecb_expect_false (next->flags & (CF_RUNNING | CF_ZOMBIE | CF_SUSPENDED))) |
1391 | croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); |
1614 | croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); |
1392 | |
1615 | |
1393 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1616 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1394 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1617 | if (ecb_expect_false (PL_lex_state != LEX_NOTPARSING)) |
1395 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1618 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1396 | #endif |
1619 | #endif |
1397 | } |
1620 | } |
1398 | } |
1621 | } |
1399 | |
1622 | |
1400 | /* always use the TRANSFER macro */ |
1623 | /* always use the TRANSFER macro */ |
1401 | static void NOINLINE /* noinline so we have a fixed stackframe */ |
1624 | static void ecb_noinline /* noinline so we have a fixed stackframe */ |
1402 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1625 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1403 | { |
1626 | { |
1404 | dSTACKLEVEL; |
1627 | dSTACKLEVEL; |
1405 | |
1628 | |
1406 | /* sometimes transfer is only called to set idle_sp */ |
1629 | /* sometimes transfer is only called to set idle_sp */ |
1407 | if (expect_false (!prev)) |
1630 | if (ecb_expect_false (!prev)) |
1408 | { |
1631 | { |
1409 | cctx_current->idle_sp = STACKLEVEL; |
1632 | cctx_current->idle_sp = STACKLEVEL; |
1410 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1633 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1411 | } |
1634 | } |
1412 | else if (expect_true (prev != next)) |
1635 | else if (ecb_expect_true (prev != next)) |
1413 | { |
1636 | { |
1414 | coro_cctx *cctx_prev; |
1637 | coro_cctx *cctx_prev; |
1415 | |
1638 | |
1416 | if (expect_false (prev->flags & CF_NEW)) |
1639 | if (ecb_expect_false (prev->flags & CF_NEW)) |
1417 | { |
1640 | { |
1418 | /* create a new empty/source context */ |
1641 | /* create a new empty/source context */ |
1419 | prev->flags &= ~CF_NEW; |
1642 | prev->flags &= ~CF_NEW; |
1420 | prev->flags |= CF_RUNNING; |
1643 | prev->flags |= CF_RUNNING; |
1421 | } |
1644 | } |
… | |
… | |
1424 | next->flags |= CF_RUNNING; |
1647 | next->flags |= CF_RUNNING; |
1425 | |
1648 | |
1426 | /* first get rid of the old state */ |
1649 | /* first get rid of the old state */ |
1427 | save_perl (aTHX_ prev); |
1650 | save_perl (aTHX_ prev); |
1428 | |
1651 | |
1429 | if (expect_false (next->flags & CF_NEW)) |
1652 | if (ecb_expect_false (next->flags & CF_NEW)) |
1430 | { |
1653 | { |
1431 | /* need to start coroutine */ |
1654 | /* need to start coroutine */ |
1432 | next->flags &= ~CF_NEW; |
1655 | next->flags &= ~CF_NEW; |
1433 | /* setup coroutine call */ |
1656 | /* setup coroutine call */ |
1434 | coro_setup (aTHX_ next); |
1657 | init_perl (aTHX_ next); |
1435 | } |
1658 | } |
1436 | else |
1659 | else |
1437 | load_perl (aTHX_ next); |
1660 | load_perl (aTHX_ next); |
1438 | |
1661 | |
1439 | /* possibly untie and reuse the cctx */ |
1662 | /* possibly untie and reuse the cctx */ |
1440 | if (expect_true ( |
1663 | if (ecb_expect_true ( |
1441 | cctx_current->idle_sp == STACKLEVEL |
1664 | cctx_current->idle_sp == STACKLEVEL |
1442 | && !(cctx_current->flags & CC_TRACE) |
1665 | && !(cctx_current->flags & CC_TRACE) |
1443 | && !force_cctx |
1666 | && !force_cctx |
1444 | )) |
1667 | )) |
1445 | { |
1668 | { |
1446 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1669 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1447 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1670 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1448 | |
1671 | |
1449 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1672 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1450 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1673 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1451 | if (expect_false (CCTX_EXPIRED (cctx_current))) |
1674 | if (ecb_expect_false (CCTX_EXPIRED (cctx_current))) |
1452 | if (expect_true (!next->cctx)) |
1675 | if (ecb_expect_true (!next->cctx)) |
1453 | next->cctx = cctx_get (aTHX); |
1676 | next->cctx = cctx_get (aTHX); |
1454 | |
1677 | |
1455 | cctx_put (cctx_current); |
1678 | cctx_put (cctx_current); |
1456 | } |
1679 | } |
1457 | else |
1680 | else |
1458 | prev->cctx = cctx_current; |
1681 | prev->cctx = cctx_current; |
1459 | |
1682 | |
1460 | ++next->usecount; |
1683 | ++next->usecount; |
1461 | |
1684 | |
1462 | cctx_prev = cctx_current; |
1685 | cctx_prev = cctx_current; |
1463 | cctx_current = expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1686 | cctx_current = ecb_expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1464 | |
1687 | |
1465 | next->cctx = 0; |
1688 | next->cctx = 0; |
1466 | |
1689 | |
1467 | if (expect_false (cctx_prev != cctx_current)) |
1690 | if (ecb_expect_false (cctx_prev != cctx_current)) |
1468 | { |
1691 | { |
1469 | cctx_prev->top_env = PL_top_env; |
1692 | cctx_prev->top_env = PL_top_env; |
1470 | PL_top_env = cctx_current->top_env; |
1693 | PL_top_env = cctx_current->top_env; |
1471 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1694 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1472 | } |
1695 | } |
… | |
… | |
1478 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1701 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1479 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1702 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1480 | |
1703 | |
1481 | /** high level stuff ********************************************************/ |
1704 | /** high level stuff ********************************************************/ |
1482 | |
1705 | |
|
|
1706 | /* this function is actually Coro, not Coro::State, but we call it from here */ |
|
|
1707 | /* because it is convenient - but it hasn't been declared yet for that reason */ |
1483 | static int |
1708 | static void |
|
|
1709 | coro_call_on_destroy (pTHX_ struct coro *coro); |
|
|
1710 | |
|
|
1711 | static void |
1484 | coro_state_destroy (pTHX_ struct coro *coro) |
1712 | coro_state_destroy (pTHX_ struct coro *coro) |
1485 | { |
1713 | { |
1486 | if (coro->flags & CF_DESTROYED) |
1714 | if (coro->flags & CF_ZOMBIE) |
1487 | return 0; |
1715 | return; |
1488 | |
1716 | |
1489 | if (coro->on_destroy) |
|
|
1490 | coro->on_destroy (aTHX_ coro); |
1717 | slf_destroy (aTHX_ coro); |
1491 | |
1718 | |
1492 | coro->flags |= CF_DESTROYED; |
1719 | coro->flags |= CF_ZOMBIE; |
1493 | |
1720 | |
1494 | if (coro->flags & CF_READY) |
1721 | if (coro->flags & CF_READY) |
1495 | { |
1722 | { |
1496 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1723 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1497 | /* alternative: look through all ready queues and remove the coro */ |
1724 | /* alternative: look through all ready queues and remove the coro */ |
1498 | --coro_nready; |
1725 | --coro_nready; |
1499 | } |
1726 | } |
1500 | else |
1727 | else |
1501 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
1728 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
|
|
1729 | |
|
|
1730 | if (coro->next) coro->next->prev = coro->prev; |
|
|
1731 | if (coro->prev) coro->prev->next = coro->next; |
|
|
1732 | if (coro == coro_first) coro_first = coro->next; |
1502 | |
1733 | |
1503 | if (coro->mainstack |
1734 | if (coro->mainstack |
1504 | && coro->mainstack != main_mainstack |
1735 | && coro->mainstack != main_mainstack |
1505 | && coro->slot |
1736 | && coro->slot |
1506 | && !PL_dirty) |
1737 | && !PL_dirty) |
1507 | { |
|
|
1508 | struct coro *current = SvSTATE_current; |
|
|
1509 | |
|
|
1510 | assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack)); |
|
|
1511 | |
|
|
1512 | save_perl (aTHX_ current); |
|
|
1513 | load_perl (aTHX_ coro); |
|
|
1514 | |
|
|
1515 | coro_destruct_perl (aTHX_ coro); |
1738 | destroy_perl (aTHX_ coro); |
1516 | |
|
|
1517 | load_perl (aTHX_ current); |
|
|
1518 | |
|
|
1519 | coro->slot = 0; |
|
|
1520 | } |
|
|
1521 | |
1739 | |
1522 | cctx_destroy (coro->cctx); |
1740 | cctx_destroy (coro->cctx); |
1523 | SvREFCNT_dec (coro->startcv); |
1741 | SvREFCNT_dec (coro->startcv); |
1524 | SvREFCNT_dec (coro->args); |
1742 | SvREFCNT_dec (coro->args); |
|
|
1743 | SvREFCNT_dec (coro->swap_sv); |
1525 | SvREFCNT_dec (CORO_THROW); |
1744 | SvREFCNT_dec (CORO_THROW); |
1526 | |
1745 | |
1527 | if (coro->next) coro->next->prev = coro->prev; |
1746 | coro_call_on_destroy (aTHX_ coro); |
1528 | if (coro->prev) coro->prev->next = coro->next; |
|
|
1529 | if (coro == coro_first) coro_first = coro->next; |
|
|
1530 | |
1747 | |
1531 | return 1; |
1748 | /* more destruction mayhem in coro_state_free */ |
1532 | } |
1749 | } |
1533 | |
1750 | |
1534 | static int |
1751 | static int |
1535 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1752 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1536 | { |
1753 | { |
1537 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1754 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1538 | mg->mg_ptr = 0; |
1755 | mg->mg_ptr = 0; |
1539 | |
1756 | |
1540 | coro->hv = 0; |
|
|
1541 | |
|
|
1542 | if (--coro->refcnt < 0) |
|
|
1543 | { |
|
|
1544 | coro_state_destroy (aTHX_ coro); |
1757 | coro_state_destroy (aTHX_ coro); |
|
|
1758 | SvREFCNT_dec (coro->on_destroy); |
|
|
1759 | SvREFCNT_dec (coro->status); |
|
|
1760 | |
1545 | Safefree (coro); |
1761 | Safefree (coro); |
1546 | } |
|
|
1547 | |
1762 | |
1548 | return 0; |
1763 | return 0; |
1549 | } |
1764 | } |
1550 | |
1765 | |
1551 | static int |
1766 | static int ecb_cold |
1552 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1767 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1553 | { |
1768 | { |
1554 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1769 | /* called when perl clones the current process the slow way (windows process emulation) */ |
1555 | |
1770 | /* WE SIMply nuke the pointers in the copy, causing perl to croak */ |
1556 | ++coro->refcnt; |
1771 | mg->mg_ptr = 0; |
|
|
1772 | mg->mg_virtual = 0; |
1557 | |
1773 | |
1558 | return 0; |
1774 | return 0; |
1559 | } |
1775 | } |
1560 | |
1776 | |
1561 | static MGVTBL coro_state_vtbl = { |
1777 | static MGVTBL coro_state_vtbl = { |
… | |
… | |
1584 | |
1800 | |
1585 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1801 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1586 | TRANSFER (ta, 1); |
1802 | TRANSFER (ta, 1); |
1587 | } |
1803 | } |
1588 | |
1804 | |
1589 | /*****************************************************************************/ |
|
|
1590 | /* gensub: simple closure generation utility */ |
|
|
1591 | |
|
|
1592 | #define GENSUB_ARG CvXSUBANY (cv).any_ptr |
|
|
1593 | |
|
|
1594 | /* create a closure from XS, returns a code reference */ |
|
|
1595 | /* the arg can be accessed via GENSUB_ARG from the callback */ |
|
|
1596 | /* the callback must use dXSARGS/XSRETURN */ |
|
|
1597 | static SV * |
|
|
1598 | gensub (pTHX_ void (*xsub)(pTHX_ CV *), void *arg) |
|
|
1599 | { |
|
|
1600 | CV *cv = (CV *)newSV (0); |
|
|
1601 | |
|
|
1602 | sv_upgrade ((SV *)cv, SVt_PVCV); |
|
|
1603 | |
|
|
1604 | CvANON_on (cv); |
|
|
1605 | CvISXSUB_on (cv); |
|
|
1606 | CvXSUB (cv) = xsub; |
|
|
1607 | GENSUB_ARG = arg; |
|
|
1608 | |
|
|
1609 | return newRV_noinc ((SV *)cv); |
|
|
1610 | } |
|
|
1611 | |
|
|
1612 | /** Coro ********************************************************************/ |
1805 | /** Coro ********************************************************************/ |
1613 | |
1806 | |
1614 | INLINE void |
1807 | ecb_inline void |
1615 | coro_enq (pTHX_ struct coro *coro) |
1808 | coro_enq (pTHX_ struct coro *coro) |
1616 | { |
1809 | { |
1617 | av_push (coro_ready [coro->prio - PRIO_MIN], SvREFCNT_inc_NN (coro->hv)); |
1810 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1618 | } |
|
|
1619 | |
1811 | |
1620 | INLINE SV * |
1812 | SvREFCNT_inc_NN (coro->hv); |
|
|
1813 | |
|
|
1814 | coro->next_ready = 0; |
|
|
1815 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
|
|
1816 | ready [1] = coro; |
|
|
1817 | } |
|
|
1818 | |
|
|
1819 | ecb_inline struct coro * |
1621 | coro_deq (pTHX) |
1820 | coro_deq (pTHX) |
1622 | { |
1821 | { |
1623 | int prio; |
1822 | int prio; |
1624 | |
1823 | |
1625 | for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; ) |
1824 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
1626 | if (AvFILLp (coro_ready [prio]) >= 0) |
1825 | { |
1627 | return av_shift (coro_ready [prio]); |
1826 | struct coro **ready = coro_ready [prio]; |
|
|
1827 | |
|
|
1828 | if (ready [0]) |
|
|
1829 | { |
|
|
1830 | struct coro *coro = ready [0]; |
|
|
1831 | ready [0] = coro->next_ready; |
|
|
1832 | return coro; |
|
|
1833 | } |
|
|
1834 | } |
1628 | |
1835 | |
1629 | return 0; |
1836 | return 0; |
|
|
1837 | } |
|
|
1838 | |
|
|
1839 | static void |
|
|
1840 | invoke_sv_ready_hook_helper (void) |
|
|
1841 | { |
|
|
1842 | dTHX; |
|
|
1843 | dSP; |
|
|
1844 | |
|
|
1845 | ENTER; |
|
|
1846 | SAVETMPS; |
|
|
1847 | |
|
|
1848 | PUSHMARK (SP); |
|
|
1849 | PUTBACK; |
|
|
1850 | call_sv (coro_readyhook, G_VOID | G_DISCARD); |
|
|
1851 | |
|
|
1852 | FREETMPS; |
|
|
1853 | LEAVE; |
1630 | } |
1854 | } |
1631 | |
1855 | |
1632 | static int |
1856 | static int |
1633 | api_ready (pTHX_ SV *coro_sv) |
1857 | api_ready (pTHX_ SV *coro_sv) |
1634 | { |
1858 | { |
1635 | struct coro *coro; |
|
|
1636 | SV *sv_hook; |
|
|
1637 | void (*xs_hook)(void); |
|
|
1638 | |
|
|
1639 | coro = SvSTATE (coro_sv); |
1859 | struct coro *coro = SvSTATE (coro_sv); |
1640 | |
1860 | |
1641 | if (coro->flags & CF_READY) |
1861 | if (coro->flags & CF_READY) |
1642 | return 0; |
1862 | return 0; |
1643 | |
1863 | |
1644 | coro->flags |= CF_READY; |
1864 | coro->flags |= CF_READY; |
1645 | |
1865 | |
1646 | sv_hook = coro_nready ? 0 : coro_readyhook; |
|
|
1647 | xs_hook = coro_nready ? 0 : coroapi.readyhook; |
|
|
1648 | |
|
|
1649 | coro_enq (aTHX_ coro); |
1866 | coro_enq (aTHX_ coro); |
1650 | ++coro_nready; |
|
|
1651 | |
1867 | |
1652 | if (sv_hook) |
1868 | if (!coro_nready++) |
1653 | { |
1869 | if (coroapi.readyhook) |
1654 | dSP; |
1870 | coroapi.readyhook (); |
1655 | |
|
|
1656 | ENTER; |
|
|
1657 | SAVETMPS; |
|
|
1658 | |
|
|
1659 | PUSHMARK (SP); |
|
|
1660 | PUTBACK; |
|
|
1661 | call_sv (sv_hook, G_VOID | G_DISCARD); |
|
|
1662 | |
|
|
1663 | FREETMPS; |
|
|
1664 | LEAVE; |
|
|
1665 | } |
|
|
1666 | |
|
|
1667 | if (xs_hook) |
|
|
1668 | xs_hook (); |
|
|
1669 | |
1871 | |
1670 | return 1; |
1872 | return 1; |
1671 | } |
1873 | } |
1672 | |
1874 | |
1673 | static int |
1875 | static int |
… | |
… | |
1675 | { |
1877 | { |
1676 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1878 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1677 | } |
1879 | } |
1678 | |
1880 | |
1679 | /* expects to own a reference to next->hv */ |
1881 | /* expects to own a reference to next->hv */ |
1680 | INLINE void |
1882 | ecb_inline void |
1681 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1883 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1682 | { |
1884 | { |
1683 | SV *prev_sv = SvRV (coro_current); |
1885 | SV *prev_sv = SvRV (coro_current); |
1684 | |
1886 | |
1685 | ta->prev = SvSTATE_hv (prev_sv); |
1887 | ta->prev = SvSTATE_hv (prev_sv); |
… | |
… | |
1696 | static void |
1898 | static void |
1697 | prepare_schedule (pTHX_ struct coro_transfer_args *ta) |
1899 | prepare_schedule (pTHX_ struct coro_transfer_args *ta) |
1698 | { |
1900 | { |
1699 | for (;;) |
1901 | for (;;) |
1700 | { |
1902 | { |
1701 | SV *next_sv = coro_deq (aTHX); |
1903 | struct coro *next = coro_deq (aTHX); |
1702 | |
1904 | |
1703 | if (expect_true (next_sv)) |
1905 | if (ecb_expect_true (next)) |
1704 | { |
1906 | { |
1705 | struct coro *next = SvSTATE_hv (next_sv); |
|
|
1706 | |
|
|
1707 | /* cannot transfer to destroyed coros, skip and look for next */ |
1907 | /* cannot transfer to destroyed coros, skip and look for next */ |
1708 | if (expect_false (next->flags & (CF_DESTROYED | CF_SUSPENDED))) |
1908 | if (ecb_expect_false (next->flags & (CF_ZOMBIE | CF_SUSPENDED))) |
1709 | SvREFCNT_dec (next_sv); /* coro_nready has already been taken care of by destroy */ |
1909 | SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ |
1710 | else |
1910 | else |
1711 | { |
1911 | { |
1712 | next->flags &= ~CF_READY; |
1912 | next->flags &= ~CF_READY; |
1713 | --coro_nready; |
1913 | --coro_nready; |
1714 | |
1914 | |
… | |
… | |
1720 | { |
1920 | { |
1721 | /* nothing to schedule: call the idle handler */ |
1921 | /* nothing to schedule: call the idle handler */ |
1722 | if (SvROK (sv_idle) |
1922 | if (SvROK (sv_idle) |
1723 | && SvOBJECT (SvRV (sv_idle))) |
1923 | && SvOBJECT (SvRV (sv_idle))) |
1724 | { |
1924 | { |
|
|
1925 | if (SvRV (sv_idle) == SvRV (coro_current)) |
|
|
1926 | croak ("FATAL: $Coro::IDLE blocked itself - did you try to block inside an event loop callback? Caught"); |
|
|
1927 | |
1725 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
1928 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
1726 | api_ready (aTHX_ SvRV (sv_idle)); |
1929 | api_ready (aTHX_ SvRV (sv_idle)); |
1727 | --coro_nready; |
1930 | --coro_nready; |
1728 | } |
1931 | } |
1729 | else |
1932 | else |
1730 | { |
1933 | { |
|
|
1934 | /* TODO: deprecated, remove, cannot work reliably *//*D*/ |
1731 | dSP; |
1935 | dSP; |
1732 | |
1936 | |
1733 | ENTER; |
1937 | ENTER; |
1734 | SAVETMPS; |
1938 | SAVETMPS; |
1735 | |
1939 | |
… | |
… | |
1742 | } |
1946 | } |
1743 | } |
1947 | } |
1744 | } |
1948 | } |
1745 | } |
1949 | } |
1746 | |
1950 | |
1747 | INLINE void |
1951 | ecb_inline void |
1748 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1952 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1749 | { |
1953 | { |
1750 | api_ready (aTHX_ coro_current); |
1954 | api_ready (aTHX_ coro_current); |
1751 | prepare_schedule (aTHX_ ta); |
1955 | prepare_schedule (aTHX_ ta); |
1752 | } |
1956 | } |
1753 | |
1957 | |
1754 | INLINE void |
1958 | ecb_inline void |
1755 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
1959 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
1756 | { |
1960 | { |
1757 | SV *prev = SvRV (coro_current); |
1961 | SV *prev = SvRV (coro_current); |
1758 | |
1962 | |
1759 | if (coro_nready) |
1963 | if (coro_nready) |
… | |
… | |
1789 | { |
1993 | { |
1790 | struct coro_transfer_args ta; |
1994 | struct coro_transfer_args ta; |
1791 | |
1995 | |
1792 | prepare_cede (aTHX_ &ta); |
1996 | prepare_cede (aTHX_ &ta); |
1793 | |
1997 | |
1794 | if (expect_true (ta.prev != ta.next)) |
1998 | if (ecb_expect_true (ta.prev != ta.next)) |
1795 | { |
1999 | { |
1796 | TRANSFER (ta, 1); |
2000 | TRANSFER (ta, 1); |
1797 | return 1; |
2001 | return 1; |
1798 | } |
2002 | } |
1799 | else |
2003 | else |
… | |
… | |
1842 | coro->slot->runops = RUNOPS_DEFAULT; |
2046 | coro->slot->runops = RUNOPS_DEFAULT; |
1843 | } |
2047 | } |
1844 | } |
2048 | } |
1845 | |
2049 | |
1846 | static void |
2050 | static void |
|
|
2051 | coro_push_av (pTHX_ AV *av, I32 gimme_v) |
|
|
2052 | { |
|
|
2053 | if (AvFILLp (av) >= 0 && gimme_v != G_VOID) |
|
|
2054 | { |
|
|
2055 | dSP; |
|
|
2056 | |
|
|
2057 | if (gimme_v == G_SCALAR) |
|
|
2058 | XPUSHs (AvARRAY (av)[AvFILLp (av)]); |
|
|
2059 | else |
|
|
2060 | { |
|
|
2061 | int i; |
|
|
2062 | EXTEND (SP, AvFILLp (av) + 1); |
|
|
2063 | |
|
|
2064 | for (i = 0; i <= AvFILLp (av); ++i) |
|
|
2065 | PUSHs (AvARRAY (av)[i]); |
|
|
2066 | } |
|
|
2067 | |
|
|
2068 | PUTBACK; |
|
|
2069 | } |
|
|
2070 | } |
|
|
2071 | |
|
|
2072 | static void |
|
|
2073 | coro_push_on_destroy (pTHX_ struct coro *coro, SV *cb) |
|
|
2074 | { |
|
|
2075 | if (!coro->on_destroy) |
|
|
2076 | coro->on_destroy = newAV (); |
|
|
2077 | |
|
|
2078 | av_push (coro->on_destroy, cb); |
|
|
2079 | } |
|
|
2080 | |
|
|
2081 | static void |
|
|
2082 | slf_destroy_join (pTHX_ struct CoroSLF *frame) |
|
|
2083 | { |
|
|
2084 | SvREFCNT_dec ((SV *)((struct coro *)frame->data)->hv); |
|
|
2085 | } |
|
|
2086 | |
|
|
2087 | static int |
|
|
2088 | slf_check_join (pTHX_ struct CoroSLF *frame) |
|
|
2089 | { |
|
|
2090 | struct coro *coro = (struct coro *)frame->data; |
|
|
2091 | |
|
|
2092 | if (!coro->status) |
|
|
2093 | return 1; |
|
|
2094 | |
|
|
2095 | frame->destroy = 0; |
|
|
2096 | |
|
|
2097 | coro_push_av (aTHX_ coro->status, GIMME_V); |
|
|
2098 | |
|
|
2099 | SvREFCNT_dec ((SV *)coro->hv); |
|
|
2100 | |
|
|
2101 | return 0; |
|
|
2102 | } |
|
|
2103 | |
|
|
2104 | static void |
|
|
2105 | slf_init_join (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2106 | { |
|
|
2107 | struct coro *coro = SvSTATE (items > 0 ? arg [0] : &PL_sv_undef); |
|
|
2108 | |
|
|
2109 | if (items > 1) |
|
|
2110 | croak ("join called with too many arguments"); |
|
|
2111 | |
|
|
2112 | if (coro->status) |
|
|
2113 | frame->prepare = prepare_nop; |
|
|
2114 | else |
|
|
2115 | { |
|
|
2116 | coro_push_on_destroy (aTHX_ coro, SvREFCNT_inc_NN (SvRV (coro_current))); |
|
|
2117 | frame->prepare = prepare_schedule; |
|
|
2118 | } |
|
|
2119 | |
|
|
2120 | frame->check = slf_check_join; |
|
|
2121 | frame->destroy = slf_destroy_join; |
|
|
2122 | frame->data = (void *)coro; |
|
|
2123 | SvREFCNT_inc (coro->hv); |
|
|
2124 | } |
|
|
2125 | |
|
|
2126 | static void |
1847 | coro_call_on_destroy (pTHX_ struct coro *coro) |
2127 | coro_call_on_destroy (pTHX_ struct coro *coro) |
1848 | { |
2128 | { |
1849 | SV **on_destroyp = hv_fetch (coro->hv, "_on_destroy", sizeof ("_on_destroy") - 1, 0); |
2129 | AV *od = coro->on_destroy; |
1850 | SV **statusp = hv_fetch (coro->hv, "_status", sizeof ("_status") - 1, 0); |
|
|
1851 | |
2130 | |
1852 | if (on_destroyp) |
2131 | if (!od) |
1853 | { |
2132 | return; |
1854 | AV *on_destroy = (AV *)SvRV (*on_destroyp); |
|
|
1855 | |
2133 | |
1856 | while (AvFILLp (on_destroy) >= 0) |
2134 | while (AvFILLp (od) >= 0) |
|
|
2135 | { |
|
|
2136 | SV *cb = sv_2mortal (av_pop (od)); |
|
|
2137 | |
|
|
2138 | /* coro hv's (and only hv's at the moment) are supported as well */ |
|
|
2139 | if (SvSTATEhv_p (aTHX_ cb)) |
|
|
2140 | api_ready (aTHX_ cb); |
|
|
2141 | else |
1857 | { |
2142 | { |
1858 | dSP; /* don't disturb outer sp */ |
2143 | dSP; /* don't disturb outer sp */ |
1859 | SV *cb = av_pop (on_destroy); |
|
|
1860 | |
|
|
1861 | PUSHMARK (SP); |
2144 | PUSHMARK (SP); |
1862 | |
2145 | |
1863 | if (statusp) |
2146 | if (coro->status) |
1864 | { |
2147 | { |
1865 | int i; |
2148 | PUTBACK; |
1866 | AV *status = (AV *)SvRV (*statusp); |
2149 | coro_push_av (aTHX_ coro->status, G_ARRAY); |
1867 | EXTEND (SP, AvFILLp (status) + 1); |
2150 | SPAGAIN; |
1868 | |
|
|
1869 | for (i = 0; i <= AvFILLp (status); ++i) |
|
|
1870 | PUSHs (AvARRAY (status)[i]); |
|
|
1871 | } |
2151 | } |
1872 | |
2152 | |
1873 | PUTBACK; |
2153 | PUTBACK; |
1874 | call_sv (sv_2mortal (cb), G_VOID | G_DISCARD); |
2154 | call_sv (cb, G_VOID | G_DISCARD); |
1875 | } |
2155 | } |
1876 | } |
2156 | } |
1877 | } |
2157 | } |
1878 | |
2158 | |
1879 | static void |
2159 | static void |
1880 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2160 | coro_set_status (pTHX_ struct coro *coro, SV **arg, int items) |
1881 | { |
2161 | { |
|
|
2162 | AV *av; |
|
|
2163 | |
|
|
2164 | if (coro->status) |
|
|
2165 | { |
|
|
2166 | av = coro->status; |
|
|
2167 | av_clear (av); |
|
|
2168 | } |
|
|
2169 | else |
|
|
2170 | av = coro->status = newAV (); |
|
|
2171 | |
|
|
2172 | /* items are actually not so common, so optimise for this case */ |
|
|
2173 | if (items) |
|
|
2174 | { |
1882 | int i; |
2175 | int i; |
1883 | HV *hv = (HV *)SvRV (coro_current); |
|
|
1884 | AV *av = newAV (); |
|
|
1885 | |
2176 | |
1886 | av_extend (av, items - 1); |
2177 | av_extend (av, items - 1); |
|
|
2178 | |
1887 | for (i = 0; i < items; ++i) |
2179 | for (i = 0; i < items; ++i) |
1888 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
2180 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
|
|
2181 | } |
|
|
2182 | } |
1889 | |
2183 | |
1890 | hv_store (hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0); |
2184 | static void |
1891 | |
2185 | slf_init_terminate_cancel_common (pTHX_ struct CoroSLF *frame, HV *coro_hv) |
|
|
2186 | { |
1892 | av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */ |
2187 | av_push (av_destroy, (SV *)newRV_inc ((SV *)coro_hv)); /* RVinc for perl */ |
1893 | api_ready (aTHX_ sv_manager); |
2188 | api_ready (aTHX_ sv_manager); |
1894 | |
2189 | |
1895 | frame->prepare = prepare_schedule; |
2190 | frame->prepare = prepare_schedule; |
1896 | frame->check = slf_check_repeat; |
2191 | frame->check = slf_check_repeat; |
1897 | |
2192 | |
1898 | /* as a minor optimisation, we could unwind all stacks here */ |
2193 | /* as a minor optimisation, we could unwind all stacks here */ |
1899 | /* but that puts extra pressure on pp_slf, and is not worth much */ |
2194 | /* but that puts extra pressure on pp_slf, and is not worth much */ |
1900 | /*coro_unwind_stacks (aTHX);*/ |
2195 | /*coro_unwind_stacks (aTHX);*/ |
|
|
2196 | } |
|
|
2197 | |
|
|
2198 | static void |
|
|
2199 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2200 | { |
|
|
2201 | HV *coro_hv = (HV *)SvRV (coro_current); |
|
|
2202 | |
|
|
2203 | coro_set_status (aTHX_ SvSTATE ((SV *)coro_hv), arg, items); |
|
|
2204 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
|
|
2205 | } |
|
|
2206 | |
|
|
2207 | static void |
|
|
2208 | slf_init_cancel (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2209 | { |
|
|
2210 | HV *coro_hv; |
|
|
2211 | struct coro *coro; |
|
|
2212 | |
|
|
2213 | if (items <= 0) |
|
|
2214 | croak ("Coro::cancel called without coro object,"); |
|
|
2215 | |
|
|
2216 | coro = SvSTATE (arg [0]); |
|
|
2217 | coro_hv = coro->hv; |
|
|
2218 | |
|
|
2219 | coro_set_status (aTHX_ coro, arg + 1, items - 1); |
|
|
2220 | |
|
|
2221 | if (ecb_expect_false (coro->flags & CF_NOCANCEL)) |
|
|
2222 | { |
|
|
2223 | /* coro currently busy cancelling something, so just notify it */ |
|
|
2224 | coro->slf_frame.data = (void *)coro; |
|
|
2225 | |
|
|
2226 | frame->prepare = prepare_nop; |
|
|
2227 | frame->check = slf_check_nop; |
|
|
2228 | } |
|
|
2229 | else if (coro_hv == (HV *)SvRV (coro_current)) |
|
|
2230 | { |
|
|
2231 | /* cancelling the current coro is allowed, and equals terminate */ |
|
|
2232 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
|
|
2233 | } |
|
|
2234 | else |
|
|
2235 | { |
|
|
2236 | struct coro *self = SvSTATE_current; |
|
|
2237 | |
|
|
2238 | /* otherwise we cancel directly, purely for speed reasons |
|
|
2239 | * unfortunately, this requires some magic trickery, as |
|
|
2240 | * somebody else could cancel us, so we have to fight the cancellation. |
|
|
2241 | * this is ugly, and hopefully fully worth the extra speed. |
|
|
2242 | * besides, I can't get the slow-but-safe version working... |
|
|
2243 | */ |
|
|
2244 | slf_frame.data = 0; |
|
|
2245 | self->flags |= CF_NOCANCEL; |
|
|
2246 | coro_state_destroy (aTHX_ coro); |
|
|
2247 | self->flags &= ~CF_NOCANCEL; |
|
|
2248 | |
|
|
2249 | if (slf_frame.data) |
|
|
2250 | { |
|
|
2251 | /* while we were busy we have been cancelled, so terminate */ |
|
|
2252 | slf_init_terminate_cancel_common (aTHX_ frame, self->hv); |
|
|
2253 | } |
|
|
2254 | else |
|
|
2255 | { |
|
|
2256 | frame->prepare = prepare_nop; |
|
|
2257 | frame->check = slf_check_nop; |
|
|
2258 | } |
|
|
2259 | } |
|
|
2260 | } |
|
|
2261 | |
|
|
2262 | static int |
|
|
2263 | slf_check_safe_cancel (pTHX_ struct CoroSLF *frame) |
|
|
2264 | { |
|
|
2265 | frame->prepare = 0; |
|
|
2266 | coro_unwind_stacks (aTHX); |
|
|
2267 | |
|
|
2268 | slf_init_terminate_cancel_common (aTHX_ frame, (HV *)SvRV (coro_current)); |
|
|
2269 | |
|
|
2270 | return 1; |
|
|
2271 | } |
|
|
2272 | |
|
|
2273 | static int |
|
|
2274 | safe_cancel (pTHX_ struct coro *coro, SV **arg, int items) |
|
|
2275 | { |
|
|
2276 | if (coro->cctx) |
|
|
2277 | croak ("coro inside C callback, unable to cancel at this time, caught"); |
|
|
2278 | |
|
|
2279 | if (coro->flags & CF_NEW) |
|
|
2280 | { |
|
|
2281 | coro_set_status (aTHX_ coro, arg, items); |
|
|
2282 | coro_state_destroy (aTHX_ coro); |
|
|
2283 | } |
|
|
2284 | else |
|
|
2285 | { |
|
|
2286 | if (!coro->slf_frame.prepare) |
|
|
2287 | croak ("coro outside an SLF function, unable to cancel at this time, caught"); |
|
|
2288 | |
|
|
2289 | slf_destroy (aTHX_ coro); |
|
|
2290 | |
|
|
2291 | coro_set_status (aTHX_ coro, arg, items); |
|
|
2292 | coro->slf_frame.prepare = prepare_nop; |
|
|
2293 | coro->slf_frame.check = slf_check_safe_cancel; |
|
|
2294 | |
|
|
2295 | api_ready (aTHX_ (SV *)coro->hv); |
|
|
2296 | } |
|
|
2297 | |
|
|
2298 | return 1; |
1901 | } |
2299 | } |
1902 | |
2300 | |
1903 | /*****************************************************************************/ |
2301 | /*****************************************************************************/ |
1904 | /* async pool handler */ |
2302 | /* async pool handler */ |
1905 | |
2303 | |
… | |
… | |
1936 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2334 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
1937 | { |
2335 | { |
1938 | HV *hv = (HV *)SvRV (coro_current); |
2336 | HV *hv = (HV *)SvRV (coro_current); |
1939 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
2337 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
1940 | |
2338 | |
1941 | if (expect_true (coro->saved_deffh)) |
2339 | if (ecb_expect_true (coro->saved_deffh)) |
1942 | { |
2340 | { |
1943 | /* subsequent iteration */ |
2341 | /* subsequent iteration */ |
1944 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
2342 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
1945 | coro->saved_deffh = 0; |
2343 | coro->saved_deffh = 0; |
1946 | |
2344 | |
1947 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
2345 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
1948 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
2346 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
1949 | { |
2347 | { |
1950 | coro->invoke_cb = SvREFCNT_inc_NN ((SV *)cv_coro_terminate); |
2348 | slf_init_terminate_cancel_common (aTHX_ frame, hv); |
1951 | coro->invoke_av = newAV (); |
2349 | return; |
1952 | |
|
|
1953 | frame->prepare = prepare_nop; |
|
|
1954 | } |
2350 | } |
1955 | else |
2351 | else |
1956 | { |
2352 | { |
1957 | av_clear (GvAV (PL_defgv)); |
2353 | av_clear (GvAV (PL_defgv)); |
1958 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
2354 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
… | |
… | |
1983 | |
2379 | |
1984 | static void |
2380 | static void |
1985 | coro_rouse_callback (pTHX_ CV *cv) |
2381 | coro_rouse_callback (pTHX_ CV *cv) |
1986 | { |
2382 | { |
1987 | dXSARGS; |
2383 | dXSARGS; |
1988 | SV *data = (SV *)GENSUB_ARG; |
2384 | SV *data = (SV *)S_GENSUB_ARG; |
1989 | |
2385 | |
1990 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2386 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
1991 | { |
2387 | { |
1992 | /* first call, set args */ |
2388 | /* first call, set args */ |
|
|
2389 | SV *coro = SvRV (data); |
1993 | AV *av = newAV (); |
2390 | AV *av = newAV (); |
1994 | SV *coro = SvRV (data); |
|
|
1995 | |
2391 | |
1996 | SvRV_set (data, (SV *)av); |
2392 | SvRV_set (data, (SV *)av); |
1997 | api_ready (aTHX_ coro); |
|
|
1998 | SvREFCNT_dec (coro); |
|
|
1999 | |
2393 | |
2000 | /* better take a full copy of the arguments */ |
2394 | /* better take a full copy of the arguments */ |
2001 | while (items--) |
2395 | while (items--) |
2002 | av_store (av, items, newSVsv (ST (items))); |
2396 | av_store (av, items, newSVsv (ST (items))); |
|
|
2397 | |
|
|
2398 | api_ready (aTHX_ coro); |
|
|
2399 | SvREFCNT_dec (coro); |
2003 | } |
2400 | } |
2004 | |
2401 | |
2005 | XSRETURN_EMPTY; |
2402 | XSRETURN_EMPTY; |
2006 | } |
2403 | } |
2007 | |
2404 | |
… | |
… | |
2024 | |
2421 | |
2025 | EXTEND (SP, AvFILLp (av) + 1); |
2422 | EXTEND (SP, AvFILLp (av) + 1); |
2026 | for (i = 0; i <= AvFILLp (av); ++i) |
2423 | for (i = 0; i <= AvFILLp (av); ++i) |
2027 | PUSHs (sv_2mortal (AvARRAY (av)[i])); |
2424 | PUSHs (sv_2mortal (AvARRAY (av)[i])); |
2028 | |
2425 | |
2029 | /* we have stolen the elements, so ste length to zero and free */ |
2426 | /* we have stolen the elements, so set length to zero and free */ |
2030 | AvFILLp (av) = -1; |
2427 | AvFILLp (av) = -1; |
2031 | av_undef (av); |
2428 | av_undef (av); |
2032 | |
2429 | |
2033 | PUTBACK; |
2430 | PUTBACK; |
2034 | } |
2431 | } |
… | |
… | |
2058 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2455 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2059 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2456 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2060 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2457 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2061 | |
2458 | |
2062 | { |
2459 | { |
2063 | CV *cv = (CV *)SvRV (cb); /* for GENSUB_ARG */ |
2460 | CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ |
2064 | SV *data = (SV *)GENSUB_ARG; |
2461 | SV *data = (SV *)S_GENSUB_ARG; |
2065 | |
2462 | |
2066 | frame->data = (void *)data; |
2463 | frame->data = (void *)data; |
2067 | frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule; |
2464 | frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule; |
2068 | frame->check = slf_check_rouse_wait; |
2465 | frame->check = slf_check_rouse_wait; |
2069 | } |
2466 | } |
… | |
… | |
2073 | coro_new_rouse_cb (pTHX) |
2470 | coro_new_rouse_cb (pTHX) |
2074 | { |
2471 | { |
2075 | HV *hv = (HV *)SvRV (coro_current); |
2472 | HV *hv = (HV *)SvRV (coro_current); |
2076 | struct coro *coro = SvSTATE_hv (hv); |
2473 | struct coro *coro = SvSTATE_hv (hv); |
2077 | SV *data = newRV_inc ((SV *)hv); |
2474 | SV *data = newRV_inc ((SV *)hv); |
2078 | SV *cb = gensub (aTHX_ coro_rouse_callback, (void *)data); |
2475 | SV *cb = s_gensub (aTHX_ coro_rouse_callback, (void *)data); |
2079 | |
2476 | |
2080 | sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0); |
2477 | sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0); |
2081 | SvREFCNT_dec (data); /* magicext increases the refcount */ |
2478 | SvREFCNT_dec (data); /* magicext increases the refcount */ |
2082 | |
2479 | |
2083 | SvREFCNT_dec (coro->rouse_cb); |
2480 | SvREFCNT_dec (coro->rouse_cb); |
… | |
… | |
2180 | static void |
2577 | static void |
2181 | slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2578 | slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2182 | { |
2579 | { |
2183 | frame->prepare = prepare_cede_notself; |
2580 | frame->prepare = prepare_cede_notself; |
2184 | frame->check = slf_check_nop; |
2581 | frame->check = slf_check_nop; |
|
|
2582 | } |
|
|
2583 | |
|
|
2584 | /* "undo"/cancel a running slf call - used when cancelling a coro, mainly */ |
|
|
2585 | static void |
|
|
2586 | slf_destroy (pTHX_ struct coro *coro) |
|
|
2587 | { |
|
|
2588 | /* this callback is reserved for slf functions needing to do cleanup */ |
|
|
2589 | if (coro->slf_frame.destroy && coro->slf_frame.prepare && !PL_dirty) |
|
|
2590 | coro->slf_frame.destroy (aTHX_ &coro->slf_frame); |
|
|
2591 | |
|
|
2592 | /* |
|
|
2593 | * The on_destroy above most likely is from an SLF call. |
|
|
2594 | * Since by definition the SLF call will not finish when we destroy |
|
|
2595 | * the coro, we will have to force-finish it here, otherwise |
|
|
2596 | * cleanup functions cannot call SLF functions. |
|
|
2597 | */ |
|
|
2598 | coro->slf_frame.prepare = 0; |
2185 | } |
2599 | } |
2186 | |
2600 | |
2187 | /* |
2601 | /* |
2188 | * these not obviously related functions are all rolled into one |
2602 | * these not obviously related functions are all rolled into one |
2189 | * function to increase chances that they all will call transfer with the same |
2603 | * function to increase chances that they all will call transfer with the same |
… | |
… | |
2196 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
2610 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
2197 | |
2611 | |
2198 | /* set up the slf frame, unless it has already been set-up */ |
2612 | /* set up the slf frame, unless it has already been set-up */ |
2199 | /* the latter happens when a new coro has been started */ |
2613 | /* the latter happens when a new coro has been started */ |
2200 | /* or when a new cctx was attached to an existing coroutine */ |
2614 | /* or when a new cctx was attached to an existing coroutine */ |
2201 | if (expect_true (!slf_frame.prepare)) |
2615 | if (ecb_expect_true (!slf_frame.prepare)) |
2202 | { |
2616 | { |
2203 | /* first iteration */ |
2617 | /* first iteration */ |
2204 | dSP; |
2618 | dSP; |
2205 | SV **arg = PL_stack_base + TOPMARK + 1; |
2619 | SV **arg = PL_stack_base + TOPMARK + 1; |
2206 | int items = SP - arg; /* args without function object */ |
2620 | int items = SP - arg; /* args without function object */ |
… | |
… | |
2247 | while (slf_frame.check (aTHX_ &slf_frame)); |
2661 | while (slf_frame.check (aTHX_ &slf_frame)); |
2248 | |
2662 | |
2249 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
2663 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
2250 | |
2664 | |
2251 | /* exception handling */ |
2665 | /* exception handling */ |
2252 | if (expect_false (CORO_THROW)) |
2666 | if (ecb_expect_false (CORO_THROW)) |
2253 | { |
2667 | { |
2254 | SV *exception = sv_2mortal (CORO_THROW); |
2668 | SV *exception = sv_2mortal (CORO_THROW); |
2255 | |
2669 | |
2256 | CORO_THROW = 0; |
2670 | CORO_THROW = 0; |
2257 | sv_setsv (ERRSV, exception); |
2671 | sv_setsv (ERRSV, exception); |
2258 | croak (0); |
2672 | croak (0); |
2259 | } |
2673 | } |
2260 | |
2674 | |
2261 | /* return value handling - mostly like entersub */ |
2675 | /* return value handling - mostly like entersub */ |
2262 | /* make sure we put something on the stack in scalar context */ |
2676 | /* make sure we put something on the stack in scalar context */ |
2263 | if (GIMME_V == G_SCALAR) |
2677 | if (GIMME_V == G_SCALAR |
|
|
2678 | && ecb_expect_false (PL_stack_sp != PL_stack_base + checkmark + 1)) |
2264 | { |
2679 | { |
2265 | dSP; |
2680 | dSP; |
2266 | SV **bot = PL_stack_base + checkmark; |
2681 | SV **bot = PL_stack_base + checkmark; |
2267 | |
2682 | |
2268 | if (sp == bot) /* too few, push undef */ |
2683 | if (sp == bot) /* too few, push undef */ |
2269 | bot [1] = &PL_sv_undef; |
2684 | bot [1] = &PL_sv_undef; |
2270 | else if (sp != bot + 1) /* too many, take last one */ |
2685 | else /* too many, take last one */ |
2271 | bot [1] = *sp; |
2686 | bot [1] = *sp; |
2272 | |
2687 | |
2273 | SP = bot + 1; |
2688 | SP = bot + 1; |
2274 | |
2689 | |
2275 | PUTBACK; |
2690 | PUTBACK; |
… | |
… | |
2308 | if (PL_op->op_flags & OPf_STACKED) |
2723 | if (PL_op->op_flags & OPf_STACKED) |
2309 | { |
2724 | { |
2310 | if (items > slf_arga) |
2725 | if (items > slf_arga) |
2311 | { |
2726 | { |
2312 | slf_arga = items; |
2727 | slf_arga = items; |
2313 | free (slf_argv); |
2728 | Safefree (slf_argv); |
2314 | slf_argv = malloc (slf_arga * sizeof (SV *)); |
2729 | New (0, slf_argv, slf_arga, SV *); |
2315 | } |
2730 | } |
2316 | |
2731 | |
2317 | slf_argc = items; |
2732 | slf_argc = items; |
2318 | |
2733 | |
2319 | for (i = 0; i < items; ++i) |
2734 | for (i = 0; i < items; ++i) |
… | |
… | |
2382 | { |
2797 | { |
2383 | PerlIOBuf base; |
2798 | PerlIOBuf base; |
2384 | NV next, every; |
2799 | NV next, every; |
2385 | } PerlIOCede; |
2800 | } PerlIOCede; |
2386 | |
2801 | |
2387 | static IV |
2802 | static IV ecb_cold |
2388 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
2803 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
2389 | { |
2804 | { |
2390 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2805 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2391 | |
2806 | |
2392 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
2807 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
2393 | self->next = nvtime () + self->every; |
2808 | self->next = nvtime () + self->every; |
2394 | |
2809 | |
2395 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
2810 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
2396 | } |
2811 | } |
2397 | |
2812 | |
2398 | static SV * |
2813 | static SV * ecb_cold |
2399 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
2814 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
2400 | { |
2815 | { |
2401 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2816 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2402 | |
2817 | |
2403 | return newSVnv (self->every); |
2818 | return newSVnv (self->every); |
… | |
… | |
2454 | /* Coro::Semaphore & Coro::Signal */ |
2869 | /* Coro::Semaphore & Coro::Signal */ |
2455 | |
2870 | |
2456 | static SV * |
2871 | static SV * |
2457 | coro_waitarray_new (pTHX_ int count) |
2872 | coro_waitarray_new (pTHX_ int count) |
2458 | { |
2873 | { |
2459 | /* a semaphore contains a counter IV in $sem->[0] and any waiters after that */ |
2874 | /* a waitarray=semaphore contains a counter IV in $sem->[0] and any waiters after that */ |
2460 | AV *av = newAV (); |
2875 | AV *av = newAV (); |
2461 | SV **ary; |
2876 | SV **ary; |
2462 | |
2877 | |
2463 | /* unfortunately, building manually saves memory */ |
2878 | /* unfortunately, building manually saves memory */ |
2464 | Newx (ary, 2, SV *); |
2879 | Newx (ary, 2, SV *); |
… | |
… | |
2515 | SvREFCNT_dec (cb); |
2930 | SvREFCNT_dec (cb); |
2516 | } |
2931 | } |
2517 | } |
2932 | } |
2518 | |
2933 | |
2519 | static void |
2934 | static void |
2520 | coro_semaphore_on_destroy (pTHX_ struct coro *coro) |
2935 | coro_semaphore_destroy (pTHX_ struct CoroSLF *frame) |
2521 | { |
2936 | { |
2522 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
2937 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
2523 | coro_semaphore_adjust (aTHX_ (AV *)coro->slf_frame.data, 0); |
2938 | coro_semaphore_adjust (aTHX_ (AV *)frame->data, 0); |
2524 | } |
2939 | } |
2525 | |
2940 | |
2526 | static int |
2941 | static int |
2527 | slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire) |
2942 | slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire) |
2528 | { |
2943 | { |
2529 | AV *av = (AV *)frame->data; |
2944 | AV *av = (AV *)frame->data; |
2530 | SV *count_sv = AvARRAY (av)[0]; |
2945 | SV *count_sv = AvARRAY (av)[0]; |
|
|
2946 | SV *coro_hv = SvRV (coro_current); |
2531 | |
2947 | |
2532 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2948 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2533 | if (CORO_THROW) |
2949 | if (CORO_THROW) |
2534 | return 0; |
2950 | return 0; |
2535 | else if (SvIVX (count_sv) > 0) |
2951 | else if (SvIVX (count_sv) > 0) |
2536 | { |
2952 | { |
2537 | SvSTATE_current->on_destroy = 0; |
2953 | frame->destroy = 0; |
2538 | |
2954 | |
2539 | if (acquire) |
2955 | if (acquire) |
2540 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2956 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2541 | else |
2957 | else |
2542 | coro_semaphore_adjust (aTHX_ av, 0); |
2958 | coro_semaphore_adjust (aTHX_ av, 0); |
… | |
… | |
2547 | { |
2963 | { |
2548 | int i; |
2964 | int i; |
2549 | /* if we were woken up but can't down, we look through the whole */ |
2965 | /* if we were woken up but can't down, we look through the whole */ |
2550 | /* waiters list and only add us if we aren't in there already */ |
2966 | /* waiters list and only add us if we aren't in there already */ |
2551 | /* this avoids some degenerate memory usage cases */ |
2967 | /* this avoids some degenerate memory usage cases */ |
2552 | |
2968 | for (i = AvFILLp (av); i > 0; --i) /* i > 0 is not an off-by-one bug */ |
2553 | for (i = 1; i <= AvFILLp (av); ++i) |
|
|
2554 | if (AvARRAY (av)[i] == SvRV (coro_current)) |
2969 | if (AvARRAY (av)[i] == coro_hv) |
2555 | return 1; |
2970 | return 1; |
2556 | |
2971 | |
2557 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2972 | av_push (av, SvREFCNT_inc (coro_hv)); |
2558 | return 1; |
2973 | return 1; |
2559 | } |
2974 | } |
2560 | } |
2975 | } |
2561 | |
2976 | |
2562 | static int |
2977 | static int |
… | |
… | |
2585 | { |
3000 | { |
2586 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
3001 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2587 | |
3002 | |
2588 | frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); |
3003 | frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); |
2589 | frame->prepare = prepare_schedule; |
3004 | frame->prepare = prepare_schedule; |
2590 | |
|
|
2591 | /* to avoid race conditions when a woken-up coro gets terminated */ |
3005 | /* to avoid race conditions when a woken-up coro gets terminated */ |
2592 | /* we arrange for a temporary on_destroy that calls adjust (0) */ |
3006 | /* we arrange for a temporary on_destroy that calls adjust (0) */ |
2593 | SvSTATE_current->on_destroy = coro_semaphore_on_destroy; |
3007 | frame->destroy = coro_semaphore_destroy; |
2594 | } |
3008 | } |
2595 | } |
3009 | } |
2596 | |
3010 | |
2597 | static void |
3011 | static void |
2598 | slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
3012 | slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
… | |
… | |
2606 | { |
3020 | { |
2607 | if (items >= 2) |
3021 | if (items >= 2) |
2608 | { |
3022 | { |
2609 | /* callback form */ |
3023 | /* callback form */ |
2610 | AV *av = (AV *)SvRV (arg [0]); |
3024 | AV *av = (AV *)SvRV (arg [0]); |
2611 | CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]); |
3025 | SV *cb_cv = s_get_cv_croak (arg [1]); |
2612 | |
3026 | |
2613 | av_push (av, (SV *)SvREFCNT_inc_NN (cb_cv)); |
3027 | av_push (av, SvREFCNT_inc_NN (cb_cv)); |
2614 | |
3028 | |
2615 | if (SvIVX (AvARRAY (av)[0]) > 0) |
3029 | if (SvIVX (AvARRAY (av)[0]) > 0) |
2616 | coro_semaphore_adjust (aTHX_ av, 0); |
3030 | coro_semaphore_adjust (aTHX_ av, 0); |
2617 | |
3031 | |
2618 | frame->prepare = prepare_nop; |
3032 | frame->prepare = prepare_nop; |
… | |
… | |
2642 | AvARRAY (av)[0] = AvARRAY (av)[1]; |
3056 | AvARRAY (av)[0] = AvARRAY (av)[1]; |
2643 | AvARRAY (av)[1] = cb; |
3057 | AvARRAY (av)[1] = cb; |
2644 | |
3058 | |
2645 | cb = av_shift (av); |
3059 | cb = av_shift (av); |
2646 | |
3060 | |
|
|
3061 | if (SvTYPE (cb) == SVt_PVCV) |
|
|
3062 | { |
|
|
3063 | dSP; |
|
|
3064 | PUSHMARK (SP); |
|
|
3065 | XPUSHs (sv_2mortal (newRV_inc ((SV *)av))); |
|
|
3066 | PUTBACK; |
|
|
3067 | call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR); |
|
|
3068 | } |
|
|
3069 | else |
|
|
3070 | { |
2647 | api_ready (aTHX_ cb); |
3071 | api_ready (aTHX_ cb); |
2648 | sv_setiv (cb, 0); /* signal waiter */ |
3072 | sv_setiv (cb, 0); /* signal waiter */ |
|
|
3073 | } |
|
|
3074 | |
2649 | SvREFCNT_dec (cb); |
3075 | SvREFCNT_dec (cb); |
2650 | |
3076 | |
2651 | --count; |
3077 | --count; |
2652 | } |
3078 | } |
2653 | } |
3079 | } |
… | |
… | |
2662 | static void |
3088 | static void |
2663 | slf_init_signal_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
3089 | slf_init_signal_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2664 | { |
3090 | { |
2665 | AV *av = (AV *)SvRV (arg [0]); |
3091 | AV *av = (AV *)SvRV (arg [0]); |
2666 | |
3092 | |
|
|
3093 | if (items >= 2) |
|
|
3094 | { |
|
|
3095 | SV *cb_cv = s_get_cv_croak (arg [1]); |
|
|
3096 | av_push (av, SvREFCNT_inc_NN (cb_cv)); |
|
|
3097 | |
2667 | if (SvIVX (AvARRAY (av)[0])) |
3098 | if (SvIVX (AvARRAY (av)[0])) |
|
|
3099 | coro_signal_wake (aTHX_ av, 1); /* must be the only waiter */ |
|
|
3100 | |
|
|
3101 | frame->prepare = prepare_nop; |
|
|
3102 | frame->check = slf_check_nop; |
|
|
3103 | } |
|
|
3104 | else if (SvIVX (AvARRAY (av)[0])) |
2668 | { |
3105 | { |
2669 | SvIVX (AvARRAY (av)[0]) = 0; |
3106 | SvIVX (AvARRAY (av)[0]) = 0; |
2670 | frame->prepare = prepare_nop; |
3107 | frame->prepare = prepare_nop; |
2671 | frame->check = slf_check_nop; |
3108 | frame->check = slf_check_nop; |
2672 | } |
3109 | } |
2673 | else |
3110 | else |
2674 | { |
3111 | { |
2675 | SV *waiter = newRV_inc (SvRV (coro_current)); /* owned by signal av */ |
3112 | SV *waiter = newSVsv (coro_current); /* owned by signal av */ |
2676 | |
3113 | |
2677 | av_push (av, waiter); |
3114 | av_push (av, waiter); |
2678 | |
3115 | |
2679 | frame->data = (void *)sv_2mortal (SvREFCNT_inc_NN (waiter)); /* owned by process */ |
3116 | frame->data = (void *)sv_2mortal (SvREFCNT_inc_NN (waiter)); /* owned by process */ |
2680 | frame->prepare = prepare_schedule; |
3117 | frame->prepare = prepare_schedule; |
… | |
… | |
2698 | |
3135 | |
2699 | static void |
3136 | static void |
2700 | coro_aio_callback (pTHX_ CV *cv) |
3137 | coro_aio_callback (pTHX_ CV *cv) |
2701 | { |
3138 | { |
2702 | dXSARGS; |
3139 | dXSARGS; |
2703 | AV *state = (AV *)GENSUB_ARG; |
3140 | AV *state = (AV *)S_GENSUB_ARG; |
2704 | SV *coro = av_pop (state); |
3141 | SV *coro = av_pop (state); |
2705 | SV *data_sv = newSV (sizeof (struct io_state)); |
3142 | SV *data_sv = newSV (sizeof (struct io_state)); |
2706 | |
3143 | |
2707 | av_extend (state, items - 1); |
3144 | av_extend (state, items - 1); |
2708 | |
3145 | |
… | |
… | |
2793 | dSP; |
3230 | dSP; |
2794 | |
3231 | |
2795 | static SV *prio_cv; |
3232 | static SV *prio_cv; |
2796 | static SV *prio_sv; |
3233 | static SV *prio_sv; |
2797 | |
3234 | |
2798 | if (expect_false (!prio_cv)) |
3235 | if (ecb_expect_false (!prio_cv)) |
2799 | { |
3236 | { |
2800 | prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0); |
3237 | prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0); |
2801 | prio_sv = newSViv (0); |
3238 | prio_sv = newSViv (0); |
2802 | } |
3239 | } |
2803 | |
3240 | |
… | |
… | |
2822 | |
3259 | |
2823 | for (i = 0; i < items; ++i) |
3260 | for (i = 0; i < items; ++i) |
2824 | PUSHs (arg [i]); |
3261 | PUSHs (arg [i]); |
2825 | |
3262 | |
2826 | /* now push the callback closure */ |
3263 | /* now push the callback closure */ |
2827 | PUSHs (sv_2mortal (gensub (aTHX_ coro_aio_callback, (void *)SvREFCNT_inc_NN ((SV *)state)))); |
3264 | PUSHs (sv_2mortal (s_gensub (aTHX_ coro_aio_callback, (void *)SvREFCNT_inc_NN ((SV *)state)))); |
2828 | |
3265 | |
2829 | /* now call the AIO function - we assume our request is uncancelable */ |
3266 | /* now call the AIO function - we assume our request is uncancelable */ |
2830 | PUTBACK; |
3267 | PUTBACK; |
2831 | call_sv ((SV *)req, G_VOID | G_DISCARD); |
3268 | call_sv ((SV *)req, G_VOID | G_DISCARD); |
2832 | } |
3269 | } |
2833 | |
3270 | |
2834 | /* now that the requets is going, we loop toll we have a result */ |
3271 | /* now that the request is going, we loop till we have a result */ |
2835 | frame->data = (void *)state; |
3272 | frame->data = (void *)state; |
2836 | frame->prepare = prepare_schedule; |
3273 | frame->prepare = prepare_schedule; |
2837 | frame->check = slf_check_aio_req; |
3274 | frame->check = slf_check_aio_req; |
2838 | } |
3275 | } |
2839 | |
3276 | |
… | |
… | |
2849 | |
3286 | |
2850 | /*****************************************************************************/ |
3287 | /*****************************************************************************/ |
2851 | |
3288 | |
2852 | #if CORO_CLONE |
3289 | #if CORO_CLONE |
2853 | # include "clone.c" |
3290 | # include "clone.c" |
|
|
3291 | #endif |
|
|
3292 | |
|
|
3293 | /*****************************************************************************/ |
|
|
3294 | |
|
|
3295 | static SV * |
|
|
3296 | coro_new (pTHX_ HV *stash, SV **argv, int argc, int is_coro) |
|
|
3297 | { |
|
|
3298 | SV *coro_sv; |
|
|
3299 | struct coro *coro; |
|
|
3300 | MAGIC *mg; |
|
|
3301 | HV *hv; |
|
|
3302 | SV *cb; |
|
|
3303 | int i; |
|
|
3304 | |
|
|
3305 | if (argc > 0) |
|
|
3306 | { |
|
|
3307 | cb = s_get_cv_croak (argv [0]); |
|
|
3308 | |
|
|
3309 | if (!is_coro) |
|
|
3310 | { |
|
|
3311 | if (CvISXSUB (cb)) |
|
|
3312 | croak ("Coro::State doesn't support XS functions as coroutine start, caught"); |
|
|
3313 | |
|
|
3314 | if (!CvROOT (cb)) |
|
|
3315 | croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught"); |
|
|
3316 | } |
|
|
3317 | } |
|
|
3318 | |
|
|
3319 | Newz (0, coro, 1, struct coro); |
|
|
3320 | coro->args = newAV (); |
|
|
3321 | coro->flags = CF_NEW; |
|
|
3322 | |
|
|
3323 | if (coro_first) coro_first->prev = coro; |
|
|
3324 | coro->next = coro_first; |
|
|
3325 | coro_first = coro; |
|
|
3326 | |
|
|
3327 | coro->hv = hv = newHV (); |
|
|
3328 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
|
|
3329 | mg->mg_flags |= MGf_DUP; |
|
|
3330 | coro_sv = sv_bless (newRV_noinc ((SV *)hv), stash); |
|
|
3331 | |
|
|
3332 | if (argc > 0) |
|
|
3333 | { |
|
|
3334 | av_extend (coro->args, argc + is_coro - 1); |
|
|
3335 | |
|
|
3336 | if (is_coro) |
|
|
3337 | { |
|
|
3338 | av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb)); |
|
|
3339 | cb = (SV *)cv_coro_run; |
|
|
3340 | } |
|
|
3341 | |
|
|
3342 | coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb); |
|
|
3343 | |
|
|
3344 | for (i = 1; i < argc; i++) |
|
|
3345 | av_push (coro->args, newSVsv (argv [i])); |
|
|
3346 | } |
|
|
3347 | |
|
|
3348 | return coro_sv; |
|
|
3349 | } |
|
|
3350 | |
|
|
3351 | #ifndef __cplusplus |
|
|
3352 | ecb_cold XS(boot_Coro__State); |
|
|
3353 | #endif |
|
|
3354 | |
|
|
3355 | #if CORO_JIT |
|
|
3356 | |
|
|
3357 | static void ecb_noinline ecb_cold |
|
|
3358 | pushav_4uv (pTHX_ UV a, UV b, UV c, UV d) |
|
|
3359 | { |
|
|
3360 | dSP; |
|
|
3361 | AV *av = newAV (); |
|
|
3362 | |
|
|
3363 | av_store (av, 3, newSVuv (d)); |
|
|
3364 | av_store (av, 2, newSVuv (c)); |
|
|
3365 | av_store (av, 1, newSVuv (b)); |
|
|
3366 | av_store (av, 0, newSVuv (a)); |
|
|
3367 | |
|
|
3368 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
3369 | |
|
|
3370 | PUTBACK; |
|
|
3371 | } |
|
|
3372 | |
|
|
3373 | static void ecb_noinline ecb_cold |
|
|
3374 | jit_init (pTHX) |
|
|
3375 | { |
|
|
3376 | dSP; |
|
|
3377 | SV *load, *save; |
|
|
3378 | char *map_base; |
|
|
3379 | char *load_ptr, *save_ptr; |
|
|
3380 | STRLEN load_len, save_len, map_len; |
|
|
3381 | int count; |
|
|
3382 | |
|
|
3383 | eval_pv ("require 'Coro/jit-" CORO_JIT_TYPE ".pl'", 1); |
|
|
3384 | |
|
|
3385 | PUSHMARK (SP); |
|
|
3386 | #define VARx(name,expr,type) pushav_4uv (aTHX_ (UV)&(expr), sizeof (expr), offsetof (perl_slots, name), sizeof (type)); |
|
|
3387 | # include "state.h" |
|
|
3388 | #undef VARx |
|
|
3389 | count = call_pv ("Coro::State::_jit", G_ARRAY); |
|
|
3390 | SPAGAIN; |
|
|
3391 | |
|
|
3392 | save = POPs; save_ptr = SvPVbyte (save, save_len); |
|
|
3393 | load = POPs; load_ptr = SvPVbyte (load, load_len); |
|
|
3394 | |
|
|
3395 | map_len = load_len + save_len + 16; |
|
|
3396 | |
|
|
3397 | map_base = mmap (0, map_len, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); |
|
|
3398 | |
|
|
3399 | assert (("Coro: unable to mmap jit code page, cannot continue.", map_base != (char *)MAP_FAILED)); |
|
|
3400 | |
|
|
3401 | load_perl_slots = (load_save_perl_slots_type)map_base; |
|
|
3402 | memcpy (map_base, load_ptr, load_len); |
|
|
3403 | |
|
|
3404 | map_base += (load_len + 15) & ~15; |
|
|
3405 | |
|
|
3406 | save_perl_slots = (load_save_perl_slots_type)map_base; |
|
|
3407 | memcpy (map_base, save_ptr, save_len); |
|
|
3408 | |
|
|
3409 | /* we are good citizens and try to make the page read-only, so the evil evil */ |
|
|
3410 | /* hackers might have it a bit more difficult */ |
|
|
3411 | mprotect (map_base, map_len, PROT_READ | PROT_EXEC); |
|
|
3412 | |
|
|
3413 | PUTBACK; |
|
|
3414 | eval_pv ("undef &Coro::State::_jit", 1); |
|
|
3415 | } |
|
|
3416 | |
2854 | #endif |
3417 | #endif |
2855 | |
3418 | |
2856 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
3419 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
2857 | |
3420 | |
2858 | PROTOTYPES: DISABLE |
3421 | PROTOTYPES: DISABLE |
… | |
… | |
2863 | # if CORO_PTHREAD |
3426 | # if CORO_PTHREAD |
2864 | coro_thx = PERL_GET_CONTEXT; |
3427 | coro_thx = PERL_GET_CONTEXT; |
2865 | # endif |
3428 | # endif |
2866 | #endif |
3429 | #endif |
2867 | BOOT_PAGESIZE; |
3430 | BOOT_PAGESIZE; |
|
|
3431 | |
|
|
3432 | /* perl defines these to check for existance first, but why it doesn't */ |
|
|
3433 | /* just create them one at init time is not clear to me, except for */ |
|
|
3434 | /* programs trying to delete them, but... */ |
|
|
3435 | /* anyway, we declare this as invalid and make sure they are initialised here */ |
|
|
3436 | DEFSV; |
|
|
3437 | ERRSV; |
2868 | |
3438 | |
2869 | cctx_current = cctx_new_empty (); |
3439 | cctx_current = cctx_new_empty (); |
2870 | |
3440 | |
2871 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3441 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
2872 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3442 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
… | |
… | |
2912 | coroapi.prepare_nop = prepare_nop; |
3482 | coroapi.prepare_nop = prepare_nop; |
2913 | coroapi.prepare_schedule = prepare_schedule; |
3483 | coroapi.prepare_schedule = prepare_schedule; |
2914 | coroapi.prepare_cede = prepare_cede; |
3484 | coroapi.prepare_cede = prepare_cede; |
2915 | coroapi.prepare_cede_notself = prepare_cede_notself; |
3485 | coroapi.prepare_cede_notself = prepare_cede_notself; |
2916 | |
3486 | |
2917 | { |
3487 | time_init (aTHX); |
2918 | SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
|
|
2919 | |
3488 | |
2920 | if (!svp) croak ("Time::HiRes is required"); |
|
|
2921 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer"); |
|
|
2922 | |
|
|
2923 | nvtime = INT2PTR (double (*)(), SvIV (*svp)); |
|
|
2924 | } |
|
|
2925 | |
|
|
2926 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
3489 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
|
|
3490 | #if CORO_JIT |
|
|
3491 | PUTBACK; |
|
|
3492 | jit_init (aTHX); |
|
|
3493 | SPAGAIN; |
|
|
3494 | #endif |
2927 | } |
3495 | } |
2928 | |
3496 | |
2929 | SV * |
3497 | SV * |
2930 | new (char *klass, ...) |
3498 | new (SV *klass, ...) |
2931 | ALIAS: |
3499 | ALIAS: |
2932 | Coro::new = 1 |
3500 | Coro::new = 1 |
2933 | CODE: |
3501 | CODE: |
2934 | { |
3502 | RETVAL = coro_new (aTHX_ ix ? coro_stash : coro_state_stash, &ST (1), items - 1, ix); |
2935 | struct coro *coro; |
3503 | OUTPUT: |
2936 | MAGIC *mg; |
|
|
2937 | HV *hv; |
|
|
2938 | CV *cb; |
|
|
2939 | int i; |
|
|
2940 | |
|
|
2941 | if (items > 1) |
|
|
2942 | { |
|
|
2943 | cb = coro_sv_2cv (aTHX_ ST (1)); |
|
|
2944 | |
|
|
2945 | if (!ix) |
|
|
2946 | { |
|
|
2947 | if (CvISXSUB (cb)) |
|
|
2948 | croak ("Coro::State doesn't support XS functions as coroutine start, caught"); |
|
|
2949 | |
|
|
2950 | if (!CvROOT (cb)) |
|
|
2951 | croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught"); |
|
|
2952 | } |
|
|
2953 | } |
|
|
2954 | |
|
|
2955 | Newz (0, coro, 1, struct coro); |
|
|
2956 | coro->args = newAV (); |
|
|
2957 | coro->flags = CF_NEW; |
|
|
2958 | |
|
|
2959 | if (coro_first) coro_first->prev = coro; |
|
|
2960 | coro->next = coro_first; |
|
|
2961 | coro_first = coro; |
|
|
2962 | |
|
|
2963 | coro->hv = hv = newHV (); |
|
|
2964 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
|
|
2965 | mg->mg_flags |= MGf_DUP; |
|
|
2966 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
|
|
2967 | |
|
|
2968 | if (items > 1) |
|
|
2969 | { |
|
|
2970 | av_extend (coro->args, items - 1 + ix - 1); |
|
|
2971 | |
|
|
2972 | if (ix) |
|
|
2973 | { |
|
|
2974 | av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb)); |
|
|
2975 | cb = cv_coro_run; |
|
|
2976 | } |
|
|
2977 | |
|
|
2978 | coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb); |
|
|
2979 | |
|
|
2980 | for (i = 2; i < items; i++) |
|
|
2981 | av_push (coro->args, newSVsv (ST (i))); |
|
|
2982 | } |
|
|
2983 | } |
|
|
2984 | OUTPUT: |
|
|
2985 | RETVAL |
3504 | RETVAL |
2986 | |
3505 | |
2987 | void |
3506 | void |
2988 | transfer (...) |
3507 | transfer (...) |
2989 | PROTOTYPE: $$ |
3508 | PROTOTYPE: $$ |
2990 | CODE: |
3509 | CODE: |
2991 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3510 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
2992 | |
|
|
2993 | bool |
|
|
2994 | _destroy (SV *coro_sv) |
|
|
2995 | CODE: |
|
|
2996 | RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv)); |
|
|
2997 | OUTPUT: |
|
|
2998 | RETVAL |
|
|
2999 | |
3511 | |
3000 | void |
3512 | void |
3001 | _exit (int code) |
3513 | _exit (int code) |
3002 | PROTOTYPE: $ |
3514 | PROTOTYPE: $ |
3003 | CODE: |
3515 | CODE: |
… | |
… | |
3079 | CODE: |
3591 | CODE: |
3080 | { |
3592 | { |
3081 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
3593 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
3082 | { |
3594 | { |
3083 | struct coro *current = SvSTATE_current; |
3595 | struct coro *current = SvSTATE_current; |
|
|
3596 | struct CoroSLF slf_save; |
3084 | |
3597 | |
3085 | if (current != coro) |
3598 | if (current != coro) |
3086 | { |
3599 | { |
3087 | PUTBACK; |
3600 | PUTBACK; |
3088 | save_perl (aTHX_ current); |
3601 | save_perl (aTHX_ current); |
3089 | load_perl (aTHX_ coro); |
3602 | load_perl (aTHX_ coro); |
|
|
3603 | /* the coro is most likely in an active SLF call. |
|
|
3604 | * while not strictly required (the code we execute is |
|
|
3605 | * not allowed to call any SLF functions), it's cleaner |
|
|
3606 | * to reinitialise the slf_frame and restore it later. |
|
|
3607 | * This might one day allow us to actually do SLF calls |
|
|
3608 | * from code executed here. |
|
|
3609 | */ |
|
|
3610 | slf_save = slf_frame; |
|
|
3611 | slf_frame.prepare = 0; |
3090 | SPAGAIN; |
3612 | SPAGAIN; |
3091 | } |
3613 | } |
3092 | |
3614 | |
3093 | PUSHSTACK; |
3615 | PUSHSTACK; |
3094 | |
3616 | |
… | |
… | |
3104 | SPAGAIN; |
3626 | SPAGAIN; |
3105 | |
3627 | |
3106 | if (current != coro) |
3628 | if (current != coro) |
3107 | { |
3629 | { |
3108 | PUTBACK; |
3630 | PUTBACK; |
|
|
3631 | slf_frame = slf_save; |
3109 | save_perl (aTHX_ coro); |
3632 | save_perl (aTHX_ coro); |
3110 | load_perl (aTHX_ current); |
3633 | load_perl (aTHX_ current); |
3111 | SPAGAIN; |
3634 | SPAGAIN; |
3112 | } |
3635 | } |
3113 | } |
3636 | } |
… | |
… | |
3118 | PROTOTYPE: $ |
3641 | PROTOTYPE: $ |
3119 | ALIAS: |
3642 | ALIAS: |
3120 | is_ready = CF_READY |
3643 | is_ready = CF_READY |
3121 | is_running = CF_RUNNING |
3644 | is_running = CF_RUNNING |
3122 | is_new = CF_NEW |
3645 | is_new = CF_NEW |
3123 | is_destroyed = CF_DESTROYED |
3646 | is_destroyed = CF_ZOMBIE |
|
|
3647 | is_zombie = CF_ZOMBIE |
3124 | is_suspended = CF_SUSPENDED |
3648 | is_suspended = CF_SUSPENDED |
3125 | CODE: |
3649 | CODE: |
3126 | RETVAL = boolSV (coro->flags & ix); |
3650 | RETVAL = boolSV (coro->flags & ix); |
3127 | OUTPUT: |
3651 | OUTPUT: |
3128 | RETVAL |
3652 | RETVAL |
3129 | |
3653 | |
3130 | void |
3654 | void |
3131 | throw (Coro::State self, SV *throw = &PL_sv_undef) |
3655 | throw (Coro::State self, SV *exception = &PL_sv_undef) |
3132 | PROTOTYPE: $;$ |
3656 | PROTOTYPE: $;$ |
3133 | CODE: |
3657 | CODE: |
3134 | { |
3658 | { |
3135 | struct coro *current = SvSTATE_current; |
3659 | struct coro *current = SvSTATE_current; |
3136 | SV **throwp = self == current ? &CORO_THROW : &self->except; |
3660 | SV **exceptionp = self == current ? &CORO_THROW : &self->except; |
3137 | SvREFCNT_dec (*throwp); |
3661 | SvREFCNT_dec (*exceptionp); |
3138 | *throwp = SvOK (throw) ? newSVsv (throw) : 0; |
3662 | SvGETMAGIC (exception); |
|
|
3663 | *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; |
3139 | } |
3664 | } |
3140 | |
3665 | |
3141 | void |
3666 | void |
3142 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3667 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3143 | PROTOTYPE: $;$ |
3668 | PROTOTYPE: $;$ |
… | |
… | |
3198 | |
3723 | |
3199 | void |
3724 | void |
3200 | cancel (Coro::State self) |
3725 | cancel (Coro::State self) |
3201 | CODE: |
3726 | CODE: |
3202 | coro_state_destroy (aTHX_ self); |
3727 | coro_state_destroy (aTHX_ self); |
3203 | coro_call_on_destroy (aTHX_ self); /* actually only for Coro objects */ |
3728 | |
|
|
3729 | SV * |
|
|
3730 | enable_times (int enabled = enable_times) |
|
|
3731 | CODE: |
|
|
3732 | { |
|
|
3733 | RETVAL = boolSV (enable_times); |
|
|
3734 | |
|
|
3735 | if (enabled != enable_times) |
|
|
3736 | { |
|
|
3737 | enable_times = enabled; |
|
|
3738 | |
|
|
3739 | coro_times_update (); |
|
|
3740 | (enabled ? coro_times_sub : coro_times_add)(SvSTATE (coro_current)); |
|
|
3741 | } |
|
|
3742 | } |
|
|
3743 | OUTPUT: |
|
|
3744 | RETVAL |
|
|
3745 | |
|
|
3746 | void |
|
|
3747 | times (Coro::State self) |
|
|
3748 | PPCODE: |
|
|
3749 | { |
|
|
3750 | struct coro *current = SvSTATE (coro_current); |
|
|
3751 | |
|
|
3752 | if (ecb_expect_false (current == self)) |
|
|
3753 | { |
|
|
3754 | coro_times_update (); |
|
|
3755 | coro_times_add (SvSTATE (coro_current)); |
|
|
3756 | } |
|
|
3757 | |
|
|
3758 | EXTEND (SP, 2); |
|
|
3759 | PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9))); |
|
|
3760 | PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9))); |
|
|
3761 | |
|
|
3762 | if (ecb_expect_false (current == self)) |
|
|
3763 | coro_times_sub (SvSTATE (coro_current)); |
|
|
3764 | } |
|
|
3765 | |
|
|
3766 | void |
|
|
3767 | swap_sv (Coro::State coro, SV *sv, SV *swapsv) |
|
|
3768 | CODE: |
|
|
3769 | { |
|
|
3770 | struct coro *current = SvSTATE_current; |
|
|
3771 | |
|
|
3772 | if (current == coro) |
|
|
3773 | SWAP_SVS (current); |
|
|
3774 | |
|
|
3775 | if (!coro->swap_sv) |
|
|
3776 | coro->swap_sv = newAV (); |
|
|
3777 | |
|
|
3778 | av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (sv ))); |
|
|
3779 | av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (swapsv))); |
|
|
3780 | |
|
|
3781 | if (current == coro) |
|
|
3782 | SWAP_SVS (current); |
|
|
3783 | } |
3204 | |
3784 | |
3205 | |
3785 | |
3206 | MODULE = Coro::State PACKAGE = Coro |
3786 | MODULE = Coro::State PACKAGE = Coro |
3207 | |
3787 | |
3208 | BOOT: |
3788 | BOOT: |
3209 | { |
3789 | { |
3210 | int i; |
|
|
3211 | |
|
|
3212 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3790 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3213 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3791 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3214 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
3792 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
3215 | cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD); |
|
|
3216 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
3793 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
3217 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
3794 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
3218 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
3795 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
3219 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
3796 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
3220 | sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); |
3797 | sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); |
3221 | |
3798 | |
3222 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3799 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3223 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
3800 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
3224 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
3801 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
3225 | cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new); |
3802 | CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */ |
3226 | |
3803 | |
3227 | coro_stash = gv_stashpv ("Coro", TRUE); |
3804 | coro_stash = gv_stashpv ("Coro", TRUE); |
3228 | |
3805 | |
3229 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
3806 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
3230 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
3807 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
3231 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); |
3808 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL)); |
3232 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); |
3809 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (CORO_PRIO_LOW)); |
3233 | newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE)); |
3810 | newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (CORO_PRIO_IDLE)); |
3234 | newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN)); |
3811 | newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (CORO_PRIO_MIN)); |
3235 | |
|
|
3236 | for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) |
|
|
3237 | coro_ready[i] = newAV (); |
|
|
3238 | |
3812 | |
3239 | { |
3813 | { |
3240 | SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE); |
3814 | SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE); |
3241 | |
3815 | |
3242 | coroapi.schedule = api_schedule; |
3816 | coroapi.schedule = api_schedule; |
… | |
… | |
3252 | sv_setiv (sv, (IV)&coroapi); |
3826 | sv_setiv (sv, (IV)&coroapi); |
3253 | SvREADONLY_on (sv); |
3827 | SvREADONLY_on (sv); |
3254 | } |
3828 | } |
3255 | } |
3829 | } |
3256 | |
3830 | |
|
|
3831 | SV * |
|
|
3832 | async (...) |
|
|
3833 | PROTOTYPE: &@ |
|
|
3834 | CODE: |
|
|
3835 | RETVAL = coro_new (aTHX_ coro_stash, &ST (0), items, 1); |
|
|
3836 | api_ready (aTHX_ RETVAL); |
|
|
3837 | OUTPUT: |
|
|
3838 | RETVAL |
|
|
3839 | |
|
|
3840 | void |
|
|
3841 | _destroy (Coro::State coro) |
|
|
3842 | CODE: |
|
|
3843 | /* used by the manager thread */ |
|
|
3844 | coro_state_destroy (aTHX_ coro); |
|
|
3845 | |
|
|
3846 | void |
|
|
3847 | on_destroy (Coro::State coro, SV *cb) |
|
|
3848 | CODE: |
|
|
3849 | coro_push_on_destroy (aTHX_ coro, newSVsv (cb)); |
|
|
3850 | |
|
|
3851 | void |
|
|
3852 | join (...) |
|
|
3853 | CODE: |
|
|
3854 | CORO_EXECUTE_SLF_XS (slf_init_join); |
|
|
3855 | |
3257 | void |
3856 | void |
3258 | terminate (...) |
3857 | terminate (...) |
3259 | CODE: |
3858 | CODE: |
3260 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
3859 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
|
|
3860 | |
|
|
3861 | void |
|
|
3862 | cancel (...) |
|
|
3863 | CODE: |
|
|
3864 | CORO_EXECUTE_SLF_XS (slf_init_cancel); |
|
|
3865 | |
|
|
3866 | int |
|
|
3867 | safe_cancel (Coro::State self, ...) |
|
|
3868 | C_ARGS: aTHX_ self, &ST (1), items - 1 |
3261 | |
3869 | |
3262 | void |
3870 | void |
3263 | schedule (...) |
3871 | schedule (...) |
3264 | CODE: |
3872 | CODE: |
3265 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
3873 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
… | |
… | |
3294 | void |
3902 | void |
3295 | _set_readyhook (SV *hook) |
3903 | _set_readyhook (SV *hook) |
3296 | PROTOTYPE: $ |
3904 | PROTOTYPE: $ |
3297 | CODE: |
3905 | CODE: |
3298 | SvREFCNT_dec (coro_readyhook); |
3906 | SvREFCNT_dec (coro_readyhook); |
|
|
3907 | SvGETMAGIC (hook); |
|
|
3908 | if (SvOK (hook)) |
|
|
3909 | { |
3299 | coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0; |
3910 | coro_readyhook = newSVsv (hook); |
|
|
3911 | CORO_READYHOOK = invoke_sv_ready_hook_helper; |
|
|
3912 | } |
|
|
3913 | else |
|
|
3914 | { |
|
|
3915 | coro_readyhook = 0; |
|
|
3916 | CORO_READYHOOK = 0; |
|
|
3917 | } |
3300 | |
3918 | |
3301 | int |
3919 | int |
3302 | prio (Coro::State coro, int newprio = 0) |
3920 | prio (Coro::State coro, int newprio = 0) |
3303 | PROTOTYPE: $;$ |
3921 | PROTOTYPE: $;$ |
3304 | ALIAS: |
3922 | ALIAS: |
… | |
… | |
3310 | if (items > 1) |
3928 | if (items > 1) |
3311 | { |
3929 | { |
3312 | if (ix) |
3930 | if (ix) |
3313 | newprio = coro->prio - newprio; |
3931 | newprio = coro->prio - newprio; |
3314 | |
3932 | |
3315 | if (newprio < PRIO_MIN) newprio = PRIO_MIN; |
3933 | if (newprio < CORO_PRIO_MIN) newprio = CORO_PRIO_MIN; |
3316 | if (newprio > PRIO_MAX) newprio = PRIO_MAX; |
3934 | if (newprio > CORO_PRIO_MAX) newprio = CORO_PRIO_MAX; |
3317 | |
3935 | |
3318 | coro->prio = newprio; |
3936 | coro->prio = newprio; |
3319 | } |
3937 | } |
3320 | } |
3938 | } |
3321 | OUTPUT: |
3939 | OUTPUT: |
… | |
… | |
3336 | RETVAL = coro_nready; |
3954 | RETVAL = coro_nready; |
3337 | OUTPUT: |
3955 | OUTPUT: |
3338 | RETVAL |
3956 | RETVAL |
3339 | |
3957 | |
3340 | void |
3958 | void |
|
|
3959 | suspend (Coro::State self) |
|
|
3960 | PROTOTYPE: $ |
|
|
3961 | CODE: |
|
|
3962 | self->flags |= CF_SUSPENDED; |
|
|
3963 | |
|
|
3964 | void |
|
|
3965 | resume (Coro::State self) |
|
|
3966 | PROTOTYPE: $ |
|
|
3967 | CODE: |
|
|
3968 | self->flags &= ~CF_SUSPENDED; |
|
|
3969 | |
|
|
3970 | void |
3341 | _pool_handler (...) |
3971 | _pool_handler (...) |
3342 | CODE: |
3972 | CODE: |
3343 | CORO_EXECUTE_SLF_XS (slf_init_pool_handler); |
3973 | CORO_EXECUTE_SLF_XS (slf_init_pool_handler); |
3344 | |
3974 | |
3345 | void |
3975 | void |
… | |
… | |
3356 | for (i = 1; i < items; ++i) |
3986 | for (i = 1; i < items; ++i) |
3357 | av_push (av, SvREFCNT_inc_NN (ST (i))); |
3987 | av_push (av, SvREFCNT_inc_NN (ST (i))); |
3358 | |
3988 | |
3359 | if ((SV *)hv == &PL_sv_undef) |
3989 | if ((SV *)hv == &PL_sv_undef) |
3360 | { |
3990 | { |
3361 | PUSHMARK (SP); |
3991 | SV *sv = coro_new (aTHX_ coro_stash, (SV **)&cv_pool_handler, 1, 1); |
3362 | EXTEND (SP, 2); |
|
|
3363 | PUSHs (sv_Coro); |
|
|
3364 | PUSHs ((SV *)cv_pool_handler); |
|
|
3365 | PUTBACK; |
|
|
3366 | call_sv ((SV *)cv_coro_state_new, G_SCALAR); |
|
|
3367 | SPAGAIN; |
|
|
3368 | |
|
|
3369 | hv = (HV *)SvREFCNT_inc_NN (SvRV (POPs)); |
3992 | hv = (HV *)SvREFCNT_inc_NN (SvRV (sv)); |
|
|
3993 | SvREFCNT_dec (sv); |
3370 | } |
3994 | } |
3371 | |
3995 | |
3372 | { |
3996 | { |
3373 | struct coro *coro = SvSTATE_hv (hv); |
3997 | struct coro *coro = SvSTATE_hv (hv); |
3374 | |
3998 | |
… | |
… | |
3408 | CODE: |
4032 | CODE: |
3409 | { |
4033 | { |
3410 | struct coro *coro = SvSTATE_current; |
4034 | struct coro *coro = SvSTATE_current; |
3411 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
4035 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
3412 | |
4036 | |
3413 | block = (SV *)coro_sv_2cv (aTHX_ block); |
4037 | block = s_get_cv_croak (block); |
3414 | |
4038 | |
3415 | if (!*avp) |
4039 | if (!*avp) |
3416 | *avp = newAV (); |
4040 | *avp = newAV (); |
3417 | |
4041 | |
3418 | av_push (*avp, SvREFCNT_inc (block)); |
4042 | av_push (*avp, SvREFCNT_inc (block)); |
3419 | |
4043 | |
3420 | if (!ix) |
4044 | if (!ix) |
3421 | on_enterleave_call (aTHX_ block); |
4045 | on_enterleave_call (aTHX_ block); |
3422 | |
4046 | |
3423 | LEAVE; /* pp_entersub unfortunately forces an ENTER/LEAVE around xs calls */ |
4047 | LEAVE; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */ |
3424 | SAVEDESTRUCTOR_X (ix ? coro_pop_on_leave : coro_pop_on_enter, (void *)coro); |
4048 | SAVEDESTRUCTOR_X (ix ? coro_pop_on_leave : coro_pop_on_enter, (void *)coro); |
3425 | ENTER; /* pp_entersub unfortunately forces an ENTER/LEAVE around xs calls */ |
4049 | ENTER; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */ |
3426 | } |
4050 | } |
3427 | |
4051 | |
3428 | |
4052 | |
3429 | MODULE = Coro::State PACKAGE = PerlIO::cede |
4053 | MODULE = Coro::State PACKAGE = PerlIO::cede |
3430 | |
4054 | |
… | |
… | |
3435 | MODULE = Coro::State PACKAGE = Coro::Semaphore |
4059 | MODULE = Coro::State PACKAGE = Coro::Semaphore |
3436 | |
4060 | |
3437 | SV * |
4061 | SV * |
3438 | new (SV *klass, SV *count = 0) |
4062 | new (SV *klass, SV *count = 0) |
3439 | CODE: |
4063 | CODE: |
|
|
4064 | { |
|
|
4065 | int semcnt = 1; |
|
|
4066 | |
|
|
4067 | if (count) |
|
|
4068 | { |
|
|
4069 | SvGETMAGIC (count); |
|
|
4070 | |
|
|
4071 | if (SvOK (count)) |
|
|
4072 | semcnt = SvIV (count); |
|
|
4073 | } |
|
|
4074 | |
3440 | RETVAL = sv_bless ( |
4075 | RETVAL = sv_bless ( |
3441 | coro_waitarray_new (aTHX_ count && SvOK (count) ? SvIV (count) : 1), |
4076 | coro_waitarray_new (aTHX_ semcnt), |
3442 | GvSTASH (CvGV (cv)) |
4077 | GvSTASH (CvGV (cv)) |
3443 | ); |
4078 | ); |
|
|
4079 | } |
3444 | OUTPUT: |
4080 | OUTPUT: |
3445 | RETVAL |
4081 | RETVAL |
3446 | |
4082 | |
3447 | # helper for Coro::Channel and others |
4083 | # helper for Coro::Channel and others |
3448 | SV * |
4084 | SV * |
… | |
… | |
3510 | for (i = 1; i <= wcount; ++i) |
4146 | for (i = 1; i <= wcount; ++i) |
3511 | PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i]))); |
4147 | PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i]))); |
3512 | } |
4148 | } |
3513 | } |
4149 | } |
3514 | |
4150 | |
|
|
4151 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
|
|
4152 | |
|
|
4153 | void |
|
|
4154 | _may_delete (SV *sem, int count, unsigned int extra_refs) |
|
|
4155 | PPCODE: |
|
|
4156 | { |
|
|
4157 | AV *av = (AV *)SvRV (sem); |
|
|
4158 | |
|
|
4159 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
|
|
4160 | && AvFILLp (av) == 0 /* no waiters, just count */ |
|
|
4161 | && SvIV (AvARRAY (av)[0]) == count) |
|
|
4162 | XSRETURN_YES; |
|
|
4163 | |
|
|
4164 | XSRETURN_NO; |
|
|
4165 | } |
|
|
4166 | |
3515 | MODULE = Coro::State PACKAGE = Coro::Signal |
4167 | MODULE = Coro::State PACKAGE = Coro::Signal |
3516 | |
4168 | |
3517 | SV * |
4169 | SV * |
3518 | new (SV *klass) |
4170 | new (SV *klass) |
3519 | CODE: |
4171 | CODE: |
… | |
… | |
3590 | |
4242 | |
3591 | void |
4243 | void |
3592 | _register (char *target, char *proto, SV *req) |
4244 | _register (char *target, char *proto, SV *req) |
3593 | CODE: |
4245 | CODE: |
3594 | { |
4246 | { |
3595 | CV *req_cv = coro_sv_2cv (aTHX_ req); |
4247 | SV *req_cv = s_get_cv_croak (req); |
3596 | /* newXSproto doesn't return the CV on 5.8 */ |
4248 | /* newXSproto doesn't return the CV on 5.8 */ |
3597 | CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__); |
4249 | CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__); |
3598 | sv_setpv ((SV *)slf_cv, proto); |
4250 | sv_setpv ((SV *)slf_cv, proto); |
3599 | sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0); |
4251 | sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0); |
3600 | } |
4252 | } |
3601 | |
4253 | |
|
|
4254 | MODULE = Coro::State PACKAGE = Coro::Select |
|
|
4255 | |
|
|
4256 | void |
|
|
4257 | patch_pp_sselect () |
|
|
4258 | CODE: |
|
|
4259 | if (!coro_old_pp_sselect) |
|
|
4260 | { |
|
|
4261 | coro_select_select = (SV *)get_cv ("Coro::Select::select", 0); |
|
|
4262 | coro_old_pp_sselect = PL_ppaddr [OP_SSELECT]; |
|
|
4263 | PL_ppaddr [OP_SSELECT] = coro_pp_sselect; |
|
|
4264 | } |
|
|
4265 | |
|
|
4266 | void |
|
|
4267 | unpatch_pp_sselect () |
|
|
4268 | CODE: |
|
|
4269 | if (coro_old_pp_sselect) |
|
|
4270 | { |
|
|
4271 | PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; |
|
|
4272 | coro_old_pp_sselect = 0; |
|
|
4273 | } |
|
|
4274 | |