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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 /* perl usually disables NDEBUG later */ |
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5 | |
1 | #include "libcoro/coro.c" |
6 | #include "libcoro/coro.c" |
2 | |
7 | |
3 | #define PERL_NO_GET_CONTEXT |
8 | #define PERL_NO_GET_CONTEXT |
4 | #define PERL_EXT |
9 | #define PERL_EXT |
5 | |
10 | |
6 | #include "EXTERN.h" |
11 | #include "EXTERN.h" |
7 | #include "perl.h" |
12 | #include "perl.h" |
8 | #include "XSUB.h" |
13 | #include "XSUB.h" |
9 | #include "perliol.h" |
14 | #include "perliol.h" |
10 | |
15 | |
11 | #include "patchlevel.h" |
16 | #include "schmorp.h" |
12 | |
17 | |
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18 | #define ECB_NO_THREADS 1 |
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19 | #include "ecb.h" |
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20 | |
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21 | #include <stddef.h> |
13 | #include <stdio.h> |
22 | #include <stdio.h> |
14 | #include <errno.h> |
23 | #include <errno.h> |
15 | #include <assert.h> |
24 | #include <assert.h> |
16 | |
25 | |
17 | #ifdef WIN32 |
26 | #ifndef SVs_PADSTALE |
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27 | # define SVs_PADSTALE 0 |
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28 | #endif |
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29 | |
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30 | #ifdef PadARRAY |
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31 | # define NEWPADAPI 1 |
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32 | # define newPADLIST(var) (Newz (0, var, 1, PADLIST), Newx (PadlistARRAY (var), 2, PAD *)) |
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33 | #else |
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34 | typedef AV PADNAMELIST; |
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35 | # if !PERL_VERSION_ATLEAST(5,8,0) |
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36 | typedef AV PADLIST; |
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37 | typedef AV PAD; |
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38 | # endif |
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39 | # define PadlistARRAY(pl) ((PAD **)AvARRAY (pl)) |
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40 | # define PadlistMAX(pl) AvFILLp (pl) |
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41 | # define PadlistNAMES(pl) (*PadlistARRAY (pl)) |
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42 | # define PadARRAY AvARRAY |
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43 | # define PadMAX AvFILLp |
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44 | # define newPADLIST(var) ((var) = newAV (), av_extend (var, 1)) |
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45 | #endif |
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46 | |
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47 | /* 5.19.something has replaced SVt_BIND by SVt_INVLIST */ |
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48 | /* we just alias it to SVt_IV, as that is sufficient for swap_sv for now */ |
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49 | #if PERL_VERSION_ATLEAST(5,19,0) |
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50 | # define SVt_BIND SVt_IV |
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51 | #endif |
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52 | |
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53 | #if defined(_WIN32) |
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54 | # undef HAS_GETTIMEOFDAY |
18 | # undef setjmp |
55 | # undef setjmp |
19 | # undef longjmp |
56 | # undef longjmp |
20 | # undef _exit |
57 | # undef _exit |
21 | # define setjmp _setjmp /* deep magic */ |
58 | # define setjmp _setjmp /* deep magic */ |
22 | #else |
59 | #else |
23 | # include <inttypes.h> /* most portable stdint.h */ |
60 | # include <inttypes.h> /* most portable stdint.h */ |
24 | #endif |
61 | #endif |
25 | |
62 | |
26 | #ifdef HAVE_MMAP |
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27 | # include <unistd.h> |
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28 | # include <sys/mman.h> |
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29 | # ifndef MAP_ANONYMOUS |
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30 | # ifdef MAP_ANON |
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31 | # define MAP_ANONYMOUS MAP_ANON |
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32 | # else |
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33 | # undef HAVE_MMAP |
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34 | # endif |
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35 | # endif |
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36 | # include <limits.h> |
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37 | # ifndef PAGESIZE |
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38 | # define PAGESIZE pagesize |
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39 | # define BOOT_PAGESIZE pagesize = sysconf (_SC_PAGESIZE) |
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40 | static long pagesize; |
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41 | # else |
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42 | # define BOOT_PAGESIZE (void)0 |
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43 | # endif |
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44 | #else |
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45 | # define PAGESIZE 0 |
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46 | # define BOOT_PAGESIZE (void)0 |
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47 | #endif |
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48 | |
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49 | #if CORO_USE_VALGRIND |
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50 | # include <valgrind/valgrind.h> |
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51 | #endif |
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52 | |
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53 | /* the maximum number of idle cctx that will be pooled */ |
63 | /* the maximum number of idle cctx that will be pooled */ |
54 | static int cctx_max_idle = 4; |
64 | static int cctx_max_idle = 4; |
55 | |
65 | |
56 | #define PERL_VERSION_ATLEAST(a,b,c) \ |
66 | #if defined(DEBUGGING) && PERL_VERSION_ATLEAST(5,12,0) |
57 | (PERL_REVISION > (a) \ |
67 | # 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 |
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114 | |
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115 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
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116 | # undef CORO_STACKGUARD |
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117 | #endif |
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118 | |
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119 | #ifndef CORO_STACKGUARD |
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120 | # define CORO_STACKGUARD 0 |
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121 | #endif |
68 | #endif |
122 | |
69 | |
123 | /* prefer perl internal functions over our own? */ |
70 | /* prefer perl internal functions over our own? */ |
124 | #ifndef CORO_PREFER_PERL_FUNCTIONS |
71 | #ifndef CORO_PREFER_PERL_FUNCTIONS |
125 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
72 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
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135 | # define STACKLEVEL ((void *)&stacklevel) |
82 | # define STACKLEVEL ((void *)&stacklevel) |
136 | #endif |
83 | #endif |
137 | |
84 | |
138 | #define IN_DESTRUCT PL_dirty |
85 | #define IN_DESTRUCT PL_dirty |
139 | |
86 | |
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" |
87 | #include "CoroAPI.h" |
156 | #define GCoroAPI (&coroapi) /* very sneaky */ |
88 | #define GCoroAPI (&coroapi) /* very sneaky */ |
157 | |
89 | |
158 | #ifdef USE_ITHREADS |
90 | #ifdef USE_ITHREADS |
159 | # if CORO_PTHREAD |
91 | # if CORO_PTHREAD |
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170 | # define CORO_CLOCK_THREAD_CPUTIME_ID 3 |
102 | # define CORO_CLOCK_THREAD_CPUTIME_ID 3 |
171 | # endif |
103 | # endif |
172 | #endif |
104 | #endif |
173 | |
105 | |
174 | static double (*nvtime)(); /* so why doesn't it take void? */ |
106 | static double (*nvtime)(); /* so why doesn't it take void? */ |
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107 | static void (*u2time)(pTHX_ UV ret[2]); |
175 | |
108 | |
176 | /* we hijack an hopefully unused CV flag for our purposes */ |
109 | /* we hijack an hopefully unused CV flag for our purposes */ |
177 | #define CVf_SLF 0x4000 |
110 | #define CVf_SLF 0x4000 |
178 | static OP *pp_slf (pTHX); |
111 | static OP *pp_slf (pTHX); |
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112 | static void slf_destroy (pTHX_ struct coro *coro); |
179 | |
113 | |
180 | static U32 cctx_gen; |
114 | static U32 cctx_gen; |
181 | static size_t cctx_stacksize = CORO_STACKSIZE; |
115 | static size_t cctx_stacksize = CORO_STACKSIZE; |
182 | static struct CoroAPI coroapi; |
116 | static struct CoroAPI coroapi; |
183 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
117 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
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200 | static SV *sv_pool_size; |
134 | static SV *sv_pool_size; |
201 | static SV *sv_async_pool_idle; /* description string */ |
135 | static SV *sv_async_pool_idle; /* description string */ |
202 | static AV *av_async_pool; /* idle pool */ |
136 | static AV *av_async_pool; /* idle pool */ |
203 | static SV *sv_Coro; /* class string */ |
137 | static SV *sv_Coro; /* class string */ |
204 | static CV *cv_pool_handler; |
138 | static CV *cv_pool_handler; |
205 | static CV *cv_coro_state_new; |
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206 | |
139 | |
207 | /* Coro::AnyEvent */ |
140 | /* Coro::AnyEvent */ |
208 | static SV *sv_activity; |
141 | static SV *sv_activity; |
209 | |
142 | |
210 | /* enable processtime/realtime profiling */ |
143 | /* enable processtime/realtime profiling */ |
211 | static char profile_times; |
144 | static char enable_times; |
212 | typedef U32 coro_ts[2]; |
145 | typedef U32 coro_ts[2]; |
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146 | static coro_ts time_real, time_cpu; |
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147 | static char times_valid; |
213 | |
148 | |
214 | static struct coro_cctx *cctx_first; |
149 | static struct coro_cctx *cctx_first; |
215 | static int cctx_count, cctx_idle; |
150 | static int cctx_count, cctx_idle; |
216 | |
151 | |
217 | enum { |
152 | enum |
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153 | { |
218 | CC_MAPPED = 0x01, |
154 | CC_MAPPED = 0x01, |
219 | CC_NOREUSE = 0x02, /* throw this away after tracing */ |
155 | CC_NOREUSE = 0x02, /* throw this away after tracing */ |
220 | CC_TRACE = 0x04, |
156 | CC_TRACE = 0x04, |
221 | CC_TRACE_SUB = 0x08, /* trace sub calls */ |
157 | CC_TRACE_SUB = 0x08, /* trace sub calls */ |
222 | CC_TRACE_LINE = 0x10, /* trace each statement */ |
158 | CC_TRACE_LINE = 0x10, /* trace each statement */ |
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227 | typedef struct coro_cctx |
163 | typedef struct coro_cctx |
228 | { |
164 | { |
229 | struct coro_cctx *next; |
165 | struct coro_cctx *next; |
230 | |
166 | |
231 | /* the stack */ |
167 | /* the stack */ |
232 | void *sptr; |
168 | struct coro_stack stack; |
233 | size_t ssize; |
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234 | |
169 | |
235 | /* cpu state */ |
170 | /* cpu state */ |
236 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
171 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
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172 | #ifndef NDEBUG |
237 | JMPENV *idle_te; /* same as idle_sp, but for top_env, TODO: remove once stable */ |
173 | JMPENV *idle_te; /* same as idle_sp, but for top_env */ |
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174 | #endif |
238 | JMPENV *top_env; |
175 | JMPENV *top_env; |
239 | coro_context cctx; |
176 | coro_context cctx; |
240 | |
177 | |
241 | U32 gen; |
178 | U32 gen; |
242 | #if CORO_USE_VALGRIND |
179 | #if CORO_USE_VALGRIND |
243 | int valgrind_id; |
180 | int valgrind_id; |
244 | #endif |
181 | #endif |
245 | unsigned char flags; |
182 | unsigned char flags; |
246 | } coro_cctx; |
183 | } coro_cctx; |
247 | |
184 | |
248 | coro_cctx *cctx_current; /* the currently running cctx */ |
185 | static coro_cctx *cctx_current; /* the currently running cctx */ |
249 | |
186 | |
250 | /*****************************************************************************/ |
187 | /*****************************************************************************/ |
251 | |
188 | |
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189 | static MGVTBL coro_state_vtbl; |
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190 | |
252 | enum { |
191 | enum |
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192 | { |
253 | CF_RUNNING = 0x0001, /* coroutine is running */ |
193 | CF_RUNNING = 0x0001, /* coroutine is running */ |
254 | CF_READY = 0x0002, /* coroutine is ready */ |
194 | CF_READY = 0x0002, /* coroutine is ready */ |
255 | CF_NEW = 0x0004, /* has never been switched to */ |
195 | CF_NEW = 0x0004, /* has never been switched to */ |
256 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
196 | CF_ZOMBIE = 0x0008, /* coroutine data has been freed */ |
257 | CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */ |
197 | CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */ |
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198 | CF_NOCANCEL = 0x0020, /* cannot cancel, set slf_frame.data to 1 (hackish) */ |
258 | }; |
199 | }; |
259 | |
200 | |
260 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
201 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
261 | typedef struct |
202 | typedef struct |
262 | { |
203 | { |
263 | SV *defsv; |
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264 | AV *defav; |
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265 | SV *errsv; |
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266 | SV *irsgv; |
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267 | HV *hinthv; |
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268 | #define VAR(name,type) type name; |
204 | #define VARx(name,expr,type) type name; |
269 | # include "state.h" |
205 | #include "state.h" |
270 | #undef VAR |
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271 | } perl_slots; |
206 | } perl_slots; |
272 | |
207 | |
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208 | /* how many context stack entries do we need for perl_slots */ |
273 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
209 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
274 | |
210 | |
275 | /* this is a structure representing a perl-level coroutine */ |
211 | /* this is a structure representing a perl-level coroutine */ |
276 | struct coro { |
212 | struct coro |
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213 | { |
277 | /* the C coroutine allocated to this perl coroutine, if any */ |
214 | /* the C coroutine allocated to this perl coroutine, if any */ |
278 | coro_cctx *cctx; |
215 | coro_cctx *cctx; |
279 | |
216 | |
280 | /* ready queue */ |
217 | /* ready queue */ |
281 | struct coro *next_ready; |
218 | struct coro *next_ready; |
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283 | /* state data */ |
220 | /* state data */ |
284 | struct CoroSLF slf_frame; /* saved slf frame */ |
221 | struct CoroSLF slf_frame; /* saved slf frame */ |
285 | AV *mainstack; |
222 | AV *mainstack; |
286 | perl_slots *slot; /* basically the saved sp */ |
223 | perl_slots *slot; /* basically the saved sp */ |
287 | |
224 | |
288 | CV *startcv; /* the CV to execute */ |
225 | CV *startcv; /* the CV to execute */ |
289 | AV *args; /* data associated with this coroutine (initial args) */ |
226 | AV *args; /* data associated with this coroutine (initial args) */ |
290 | int refcnt; /* coroutines are refcounted, yes */ |
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291 | int flags; /* CF_ flags */ |
227 | int flags; /* CF_ flags */ |
292 | HV *hv; /* the perl hash associated with this coro, if any */ |
228 | HV *hv; /* the perl hash associated with this coro, if any */ |
293 | void (*on_destroy)(pTHX_ struct coro *coro); |
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294 | |
229 | |
295 | /* statistics */ |
230 | /* statistics */ |
296 | int usecount; /* number of transfers to this coro */ |
231 | int usecount; /* number of transfers to this coro */ |
297 | |
232 | |
298 | /* coro process data */ |
233 | /* coro process data */ |
299 | int prio; |
234 | int prio; |
300 | SV *except; /* exception to be thrown */ |
235 | SV *except; /* exception to be thrown */ |
301 | SV *rouse_cb; |
236 | SV *rouse_cb; /* last rouse callback */ |
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237 | AV *on_destroy; /* callbacks or coros to notify on destroy */ |
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238 | AV *status; /* the exit status list */ |
302 | |
239 | |
303 | /* async_pool */ |
240 | /* async_pool */ |
304 | SV *saved_deffh; |
241 | SV *saved_deffh; |
305 | SV *invoke_cb; |
242 | SV *invoke_cb; |
306 | AV *invoke_av; |
243 | AV *invoke_av; |
307 | |
244 | |
308 | /* on_enter/on_leave */ |
245 | /* on_enter/on_leave */ |
309 | AV *on_enter; |
246 | AV *on_enter; |
310 | AV *on_leave; |
247 | AV *on_leave; |
311 | |
248 | |
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249 | /* swap_sv */ |
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250 | AV *swap_sv; |
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251 | |
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252 | /* times */ |
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253 | coro_ts t_cpu, t_real; |
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254 | |
312 | /* linked list */ |
255 | /* linked list */ |
313 | struct coro *next, *prev; |
256 | struct coro *next, *prev; |
314 | }; |
257 | }; |
315 | |
258 | |
316 | typedef struct coro *Coro__State; |
259 | typedef struct coro *Coro__State; |
317 | typedef struct coro *Coro__State_or_hashref; |
260 | typedef struct coro *Coro__State_or_hashref; |
318 | |
261 | |
319 | /* the following variables are effectively part of the perl context */ |
262 | /* the following variables are effectively part of the perl context */ |
320 | /* and get copied between struct coro and these variables */ |
263 | /* and get copied between struct coro and these variables */ |
321 | /* the mainr easonw e don't support windows process emulation */ |
264 | /* the main reason we don't support windows process emulation */ |
322 | static struct CoroSLF slf_frame; /* the current slf frame */ |
265 | static struct CoroSLF slf_frame; /* the current slf frame */ |
323 | |
266 | |
324 | /** Coro ********************************************************************/ |
267 | /** Coro ********************************************************************/ |
325 | |
268 | |
326 | #define CORO_PRIO_MAX 3 |
269 | #define CORO_PRIO_MAX 3 |
… | |
… | |
332 | |
275 | |
333 | /* for Coro.pm */ |
276 | /* for Coro.pm */ |
334 | static SV *coro_current; |
277 | static SV *coro_current; |
335 | static SV *coro_readyhook; |
278 | static SV *coro_readyhook; |
336 | static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ |
279 | static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ |
337 | static CV *cv_coro_run, *cv_coro_terminate; |
280 | static CV *cv_coro_run; |
338 | static struct coro *coro_first; |
281 | static struct coro *coro_first; |
339 | #define coro_nready coroapi.nready |
282 | #define coro_nready coroapi.nready |
340 | |
283 | |
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284 | /** JIT *********************************************************************/ |
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285 | |
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286 | #if CORO_JIT |
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287 | /* APPLE doesn't have mmap though */ |
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288 | #define CORO_JIT_UNIXY (__linux || __FreeBSD__ || __OpenBSD__ || __NetBSD__ || __solaris || __APPLE__) |
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289 | #ifndef CORO_JIT_TYPE |
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290 | #if ECB_AMD64 && CORO_JIT_UNIXY |
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291 | #define CORO_JIT_TYPE "amd64-unix" |
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292 | #elif __i386 && CORO_JIT_UNIXY |
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293 | #define CORO_JIT_TYPE "x86-unix" |
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294 | #endif |
|
|
295 | #endif |
|
|
296 | #endif |
|
|
297 | |
|
|
298 | #if !defined(CORO_JIT_TYPE) || _POSIX_MEMORY_PROTECTION <= 0 |
|
|
299 | #undef CORO_JIT |
|
|
300 | #endif |
|
|
301 | |
|
|
302 | #if CORO_JIT |
|
|
303 | typedef void (*load_save_perl_slots_type)(perl_slots *); |
|
|
304 | static load_save_perl_slots_type load_perl_slots, save_perl_slots; |
|
|
305 | #endif |
|
|
306 | |
|
|
307 | /** Coro::Select ************************************************************/ |
|
|
308 | |
|
|
309 | static OP *(*coro_old_pp_sselect) (pTHX); |
|
|
310 | static SV *coro_select_select; |
|
|
311 | |
|
|
312 | /* horrible hack, but if it works... */ |
|
|
313 | static OP * |
|
|
314 | coro_pp_sselect (pTHX) |
|
|
315 | { |
|
|
316 | dSP; |
|
|
317 | PUSHMARK (SP - 4); /* fake argument list */ |
|
|
318 | XPUSHs (coro_select_select); |
|
|
319 | PUTBACK; |
|
|
320 | |
|
|
321 | /* entersub is an UNOP, select a LISTOP... keep your fingers crossed */ |
|
|
322 | PL_op->op_flags |= OPf_STACKED; |
|
|
323 | PL_op->op_private = 0; |
|
|
324 | return PL_ppaddr [OP_ENTERSUB](aTHX); |
|
|
325 | } |
|
|
326 | |
|
|
327 | /** time stuff **************************************************************/ |
|
|
328 | |
|
|
329 | #ifdef HAS_GETTIMEOFDAY |
|
|
330 | |
|
|
331 | ecb_inline void |
|
|
332 | coro_u2time (pTHX_ UV ret[2]) |
|
|
333 | { |
|
|
334 | struct timeval tv; |
|
|
335 | gettimeofday (&tv, 0); |
|
|
336 | |
|
|
337 | ret [0] = tv.tv_sec; |
|
|
338 | ret [1] = tv.tv_usec; |
|
|
339 | } |
|
|
340 | |
|
|
341 | ecb_inline double |
|
|
342 | coro_nvtime (void) |
|
|
343 | { |
|
|
344 | struct timeval tv; |
|
|
345 | gettimeofday (&tv, 0); |
|
|
346 | |
|
|
347 | return tv.tv_sec + tv.tv_usec * 1e-6; |
|
|
348 | } |
|
|
349 | |
|
|
350 | ecb_inline void |
|
|
351 | time_init (pTHX) |
|
|
352 | { |
|
|
353 | nvtime = coro_nvtime; |
|
|
354 | u2time = coro_u2time; |
|
|
355 | } |
|
|
356 | |
|
|
357 | #else |
|
|
358 | |
|
|
359 | ecb_inline void |
|
|
360 | time_init (pTHX) |
|
|
361 | { |
|
|
362 | SV **svp; |
|
|
363 | |
|
|
364 | require_pv ("Time/HiRes.pm"); |
|
|
365 | |
|
|
366 | svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
|
|
367 | |
|
|
368 | if (!svp) croak ("Time::HiRes is required, but missing. Caught"); |
|
|
369 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer. Caught"); |
|
|
370 | |
|
|
371 | nvtime = INT2PTR (double (*)(), SvIV (*svp)); |
|
|
372 | |
|
|
373 | svp = hv_fetch (PL_modglobal, "Time::U2time", 12, 0); |
|
|
374 | u2time = INT2PTR (void (*)(pTHX_ UV ret[2]), SvIV (*svp)); |
|
|
375 | } |
|
|
376 | |
|
|
377 | #endif |
|
|
378 | |
341 | /** lowlevel stuff **********************************************************/ |
379 | /** lowlevel stuff **********************************************************/ |
342 | |
380 | |
343 | static SV * |
381 | static SV * ecb_noinline |
344 | coro_get_sv (pTHX_ const char *name, int create) |
382 | coro_get_sv (pTHX_ const char *name, int create) |
345 | { |
383 | { |
346 | #if PERL_VERSION_ATLEAST (5,10,0) |
384 | #if PERL_VERSION_ATLEAST (5,10,0) |
347 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
385 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
348 | get_sv (name, create); |
386 | get_sv (name, create); |
349 | #endif |
387 | #endif |
350 | return get_sv (name, create); |
388 | return get_sv (name, create); |
351 | } |
389 | } |
352 | |
390 | |
353 | static AV * |
391 | static AV * ecb_noinline |
354 | coro_get_av (pTHX_ const char *name, int create) |
392 | coro_get_av (pTHX_ const char *name, int create) |
355 | { |
393 | { |
356 | #if PERL_VERSION_ATLEAST (5,10,0) |
394 | #if PERL_VERSION_ATLEAST (5,10,0) |
357 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
395 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
358 | get_av (name, create); |
396 | get_av (name, create); |
359 | #endif |
397 | #endif |
360 | return get_av (name, create); |
398 | return get_av (name, create); |
361 | } |
399 | } |
362 | |
400 | |
363 | static HV * |
401 | static HV * ecb_noinline |
364 | coro_get_hv (pTHX_ const char *name, int create) |
402 | coro_get_hv (pTHX_ const char *name, int create) |
365 | { |
403 | { |
366 | #if PERL_VERSION_ATLEAST (5,10,0) |
404 | #if PERL_VERSION_ATLEAST (5,10,0) |
367 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
405 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
368 | get_hv (name, create); |
406 | get_hv (name, create); |
369 | #endif |
407 | #endif |
370 | return get_hv (name, create); |
408 | return get_hv (name, create); |
371 | } |
409 | } |
372 | |
410 | |
373 | /* may croak */ |
411 | ecb_inline void |
374 | INLINE CV * |
412 | coro_times_update (void) |
375 | coro_sv_2cv (pTHX_ SV *sv) |
|
|
376 | { |
413 | { |
377 | HV *st; |
414 | #ifdef coro_clock_gettime |
378 | GV *gvp; |
415 | struct timespec ts; |
379 | CV *cv = sv_2cv (sv, &st, &gvp, 0); |
|
|
380 | |
416 | |
381 | if (!cv) |
417 | ts.tv_sec = ts.tv_nsec = 0; |
382 | croak ("code reference expected"); |
418 | coro_clock_gettime (CORO_CLOCK_THREAD_CPUTIME_ID, &ts); |
|
|
419 | time_cpu [0] = ts.tv_sec; time_cpu [1] = ts.tv_nsec; |
383 | |
420 | |
384 | return cv; |
421 | ts.tv_sec = ts.tv_nsec = 0; |
|
|
422 | coro_clock_gettime (CORO_CLOCK_MONOTONIC, &ts); |
|
|
423 | time_real [0] = ts.tv_sec; time_real [1] = ts.tv_nsec; |
|
|
424 | #else |
|
|
425 | dTHX; |
|
|
426 | UV tv[2]; |
|
|
427 | |
|
|
428 | u2time (aTHX_ tv); |
|
|
429 | time_real [0] = tv [0]; |
|
|
430 | time_real [1] = tv [1] * 1000; |
|
|
431 | #endif |
|
|
432 | } |
|
|
433 | |
|
|
434 | ecb_inline void |
|
|
435 | coro_times_add (struct coro *c) |
|
|
436 | { |
|
|
437 | c->t_real [1] += time_real [1]; |
|
|
438 | if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } |
|
|
439 | c->t_real [0] += time_real [0]; |
|
|
440 | |
|
|
441 | c->t_cpu [1] += time_cpu [1]; |
|
|
442 | if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } |
|
|
443 | c->t_cpu [0] += time_cpu [0]; |
|
|
444 | } |
|
|
445 | |
|
|
446 | ecb_inline void |
|
|
447 | coro_times_sub (struct coro *c) |
|
|
448 | { |
|
|
449 | if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } |
|
|
450 | c->t_real [1] -= time_real [1]; |
|
|
451 | c->t_real [0] -= time_real [0]; |
|
|
452 | |
|
|
453 | if (c->t_cpu [1] < time_cpu [1]) { c->t_cpu [1] += 1000000000; --c->t_cpu [0]; } |
|
|
454 | c->t_cpu [1] -= time_cpu [1]; |
|
|
455 | c->t_cpu [0] -= time_cpu [0]; |
385 | } |
456 | } |
386 | |
457 | |
387 | /*****************************************************************************/ |
458 | /*****************************************************************************/ |
388 | /* magic glue */ |
459 | /* magic glue */ |
389 | |
460 | |
390 | #define CORO_MAGIC_type_cv 26 |
461 | #define CORO_MAGIC_type_cv 26 |
391 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
462 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
392 | |
463 | |
393 | #define CORO_MAGIC_NN(sv, type) \ |
464 | #define CORO_MAGIC_NN(sv, type) \ |
394 | (expect_true (SvMAGIC (sv)->mg_type == type) \ |
465 | (ecb_expect_true (SvMAGIC (sv)->mg_type == type) \ |
395 | ? SvMAGIC (sv) \ |
466 | ? SvMAGIC (sv) \ |
396 | : mg_find (sv, type)) |
467 | : mg_find (sv, type)) |
397 | |
468 | |
398 | #define CORO_MAGIC(sv, type) \ |
469 | #define CORO_MAGIC(sv, type) \ |
399 | (expect_true (SvMAGIC (sv)) \ |
470 | (ecb_expect_true (SvMAGIC (sv)) \ |
400 | ? CORO_MAGIC_NN (sv, type) \ |
471 | ? CORO_MAGIC_NN (sv, type) \ |
401 | : 0) |
472 | : 0) |
402 | |
473 | |
403 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
474 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
404 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
475 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
405 | |
476 | |
406 | INLINE struct coro * |
477 | ecb_inline MAGIC * |
|
|
478 | SvSTATEhv_p (pTHX_ SV *coro) |
|
|
479 | { |
|
|
480 | MAGIC *mg; |
|
|
481 | |
|
|
482 | if (ecb_expect_true ( |
|
|
483 | SvTYPE (coro) == SVt_PVHV |
|
|
484 | && (mg = CORO_MAGIC_state (coro)) |
|
|
485 | && mg->mg_virtual == &coro_state_vtbl |
|
|
486 | )) |
|
|
487 | return mg; |
|
|
488 | |
|
|
489 | return 0; |
|
|
490 | } |
|
|
491 | |
|
|
492 | ecb_inline struct coro * |
407 | SvSTATE_ (pTHX_ SV *coro) |
493 | SvSTATE_ (pTHX_ SV *coro) |
408 | { |
494 | { |
409 | HV *stash; |
|
|
410 | MAGIC *mg; |
495 | MAGIC *mg; |
411 | |
496 | |
412 | if (SvROK (coro)) |
497 | if (SvROK (coro)) |
413 | coro = SvRV (coro); |
498 | coro = SvRV (coro); |
414 | |
499 | |
415 | if (expect_false (SvTYPE (coro) != SVt_PVHV)) |
500 | mg = SvSTATEhv_p (aTHX_ coro); |
|
|
501 | if (!mg) |
416 | croak ("Coro::State object required"); |
502 | croak ("Coro::State object required"); |
417 | |
503 | |
418 | stash = SvSTASH (coro); |
|
|
419 | if (expect_false (stash != coro_stash && stash != coro_state_stash)) |
|
|
420 | { |
|
|
421 | /* very slow, but rare, check */ |
|
|
422 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
|
|
423 | croak ("Coro::State object required"); |
|
|
424 | } |
|
|
425 | |
|
|
426 | mg = CORO_MAGIC_state (coro); |
|
|
427 | return (struct coro *)mg->mg_ptr; |
504 | return (struct coro *)mg->mg_ptr; |
428 | } |
505 | } |
429 | |
506 | |
430 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
507 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
431 | |
508 | |
… | |
… | |
434 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
511 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
435 | |
512 | |
436 | /*****************************************************************************/ |
513 | /*****************************************************************************/ |
437 | /* padlist management and caching */ |
514 | /* padlist management and caching */ |
438 | |
515 | |
439 | static AV * |
516 | ecb_inline PADLIST * |
440 | coro_derive_padlist (pTHX_ CV *cv) |
517 | coro_derive_padlist (pTHX_ CV *cv) |
441 | { |
518 | { |
442 | AV *padlist = CvPADLIST (cv); |
519 | PADLIST *padlist = CvPADLIST (cv); |
443 | AV *newpadlist, *newpad; |
520 | PADLIST *newpadlist; |
|
|
521 | PAD *newpad; |
|
|
522 | PADOFFSET off = PadlistMAX (padlist) + 1; |
444 | |
523 | |
445 | newpadlist = newAV (); |
524 | #if NEWPADAPI |
|
|
525 | |
|
|
526 | /* if we had the original CvDEPTH, we might be able to steal the CvDEPTH+1 entry instead */ |
|
|
527 | /* 20131102194744.GA6705@schmorp.de, 20131102195825.2013.qmail@lists-nntp.develooper.com */ |
|
|
528 | while (!PadlistARRAY (padlist)[off - 1]) |
|
|
529 | --off; |
|
|
530 | |
|
|
531 | Perl_pad_push (aTHX_ padlist, off); |
|
|
532 | |
|
|
533 | newpad = PadlistARRAY (padlist)[off]; |
|
|
534 | PadlistARRAY (padlist)[off] = 0; |
|
|
535 | |
|
|
536 | #else |
|
|
537 | |
|
|
538 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
539 | Perl_pad_push (aTHX_ padlist, off); |
|
|
540 | #else |
|
|
541 | Perl_pad_push (aTHX_ padlist, off, 1); |
|
|
542 | #endif |
|
|
543 | |
|
|
544 | newpad = PadlistARRAY (padlist)[off]; |
|
|
545 | PadlistMAX (padlist) = off - 1; |
|
|
546 | |
|
|
547 | #endif |
|
|
548 | |
|
|
549 | newPADLIST (newpadlist); |
|
|
550 | #if !PERL_VERSION_ATLEAST(5,15,3) |
|
|
551 | /* Padlists are AvREAL as of 5.15.3. See perl bug #98092 and perl commit 7d953ba. */ |
446 | AvREAL_off (newpadlist); |
552 | AvREAL_off (newpadlist); |
447 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
448 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1); |
|
|
449 | #else |
|
|
450 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
|
|
451 | #endif |
553 | #endif |
452 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
|
|
453 | --AvFILLp (padlist); |
|
|
454 | |
554 | |
455 | av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0])); |
555 | /* Already extended to 2 elements by newPADLIST. */ |
456 | av_store (newpadlist, 1, (SV *)newpad); |
556 | PadlistMAX (newpadlist) = 1; |
|
|
557 | PadlistNAMES (newpadlist) = (PADNAMELIST *)SvREFCNT_inc_NN (PadlistNAMES (padlist)); |
|
|
558 | PadlistARRAY (newpadlist)[1] = newpad; |
457 | |
559 | |
458 | return newpadlist; |
560 | return newpadlist; |
459 | } |
561 | } |
460 | |
562 | |
461 | static void |
563 | ecb_inline void |
462 | free_padlist (pTHX_ AV *padlist) |
564 | free_padlist (pTHX_ PADLIST *padlist) |
463 | { |
565 | { |
464 | /* may be during global destruction */ |
566 | /* may be during global destruction */ |
465 | if (!IN_DESTRUCT) |
567 | if (!IN_DESTRUCT) |
466 | { |
568 | { |
467 | I32 i = AvFILLp (padlist); |
569 | I32 i = PadlistMAX (padlist); |
468 | |
570 | |
469 | while (i > 0) /* special-case index 0 */ |
571 | while (i > 0) /* special-case index 0 */ |
470 | { |
572 | { |
471 | /* we try to be extra-careful here */ |
573 | /* we try to be extra-careful here */ |
472 | AV *av = (AV *)AvARRAY (padlist)[i--]; |
574 | PAD *pad = PadlistARRAY (padlist)[i--]; |
473 | I32 j = AvFILLp (av); |
575 | I32 j = PadMAX (pad); |
474 | |
576 | |
475 | while (j >= 0) |
577 | while (j >= 0) |
476 | SvREFCNT_dec (AvARRAY (av)[j--]); |
578 | SvREFCNT_dec (PadARRAY (pad)[j--]); |
477 | |
579 | |
478 | AvFILLp (av) = -1; |
580 | PadMAX (pad) = -1; |
479 | SvREFCNT_dec (av); |
581 | SvREFCNT_dec (pad); |
480 | } |
582 | } |
481 | |
583 | |
482 | SvREFCNT_dec (AvARRAY (padlist)[0]); |
584 | SvREFCNT_dec (PadlistNAMES (padlist)); |
483 | |
585 | |
|
|
586 | #if NEWPADAPI |
|
|
587 | Safefree (PadlistARRAY (padlist)); |
|
|
588 | Safefree (padlist); |
|
|
589 | #else |
484 | AvFILLp (padlist) = -1; |
590 | AvFILLp (padlist) = -1; |
|
|
591 | AvREAL_off (padlist); |
485 | SvREFCNT_dec ((SV*)padlist); |
592 | SvREFCNT_dec ((SV*)padlist); |
|
|
593 | #endif |
486 | } |
594 | } |
487 | } |
595 | } |
488 | |
596 | |
489 | static int |
597 | static int |
490 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
598 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
491 | { |
599 | { |
492 | AV *padlist; |
600 | PADLIST *padlist; |
493 | AV *av = (AV *)mg->mg_obj; |
601 | PADLIST **padlists = (PADLIST **)(mg->mg_ptr + sizeof(size_t)); |
|
|
602 | size_t len = *(size_t *)mg->mg_ptr; |
494 | |
603 | |
495 | /* perl manages to free our internal AV and _then_ call us */ |
604 | /* perl manages to free our internal AV and _then_ call us */ |
496 | if (IN_DESTRUCT) |
605 | if (IN_DESTRUCT) |
497 | return; |
606 | return 0; |
498 | |
607 | |
499 | /* casting is fun. */ |
608 | while (len--) |
500 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
|
|
501 | free_padlist (aTHX_ padlist); |
609 | free_padlist (aTHX_ padlists[len]); |
502 | |
|
|
503 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
|
|
504 | |
610 | |
505 | return 0; |
611 | return 0; |
506 | } |
612 | } |
507 | |
613 | |
508 | static MGVTBL coro_cv_vtbl = { |
614 | static MGVTBL coro_cv_vtbl = { |
509 | 0, 0, 0, 0, |
615 | 0, 0, 0, 0, |
510 | coro_cv_free |
616 | coro_cv_free |
511 | }; |
617 | }; |
512 | |
618 | |
513 | /* the next two functions merely cache the padlists */ |
619 | /* the next two functions merely cache the padlists */ |
514 | static void |
620 | ecb_inline void |
515 | get_padlist (pTHX_ CV *cv) |
621 | get_padlist (pTHX_ CV *cv) |
516 | { |
622 | { |
517 | MAGIC *mg = CORO_MAGIC_cv (cv); |
623 | MAGIC *mg = CORO_MAGIC_cv (cv); |
518 | AV *av; |
624 | size_t *lenp; |
519 | |
625 | |
520 | if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
626 | if (ecb_expect_true (mg && *(lenp = (size_t *)mg->mg_ptr))) |
521 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
627 | CvPADLIST (cv) = ((PADLIST **)(mg->mg_ptr + sizeof(size_t)))[--*lenp]; |
522 | else |
628 | else |
523 | { |
629 | { |
524 | #if CORO_PREFER_PERL_FUNCTIONS |
630 | #if CORO_PREFER_PERL_FUNCTIONS |
525 | /* this is probably cleaner? but also slower! */ |
631 | /* this is probably cleaner? but also slower! */ |
526 | /* in practise, it seems to be less stable */ |
632 | /* in practise, it seems to be less stable */ |
… | |
… | |
532 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
638 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
533 | #endif |
639 | #endif |
534 | } |
640 | } |
535 | } |
641 | } |
536 | |
642 | |
537 | static void |
643 | ecb_inline void |
538 | put_padlist (pTHX_ CV *cv) |
644 | put_padlist (pTHX_ CV *cv) |
539 | { |
645 | { |
540 | MAGIC *mg = CORO_MAGIC_cv (cv); |
646 | MAGIC *mg = CORO_MAGIC_cv (cv); |
541 | AV *av; |
|
|
542 | |
647 | |
543 | if (expect_false (!mg)) |
648 | if (ecb_expect_false (!mg)) |
|
|
649 | { |
544 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
650 | mg = sv_magicext ((SV *)cv, 0, CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
|
|
651 | Newz (0, mg->mg_ptr ,sizeof (size_t) + sizeof (PADLIST *), char); |
|
|
652 | mg->mg_len = 1; /* so mg_free frees mg_ptr */ |
|
|
653 | } |
|
|
654 | else |
|
|
655 | Renew (mg->mg_ptr, |
|
|
656 | sizeof(size_t) + (*(size_t *)mg->mg_ptr + 1) * sizeof(PADLIST *), |
|
|
657 | char); |
545 | |
658 | |
546 | av = (AV *)mg->mg_obj; |
659 | ((PADLIST **)(mg->mg_ptr + sizeof (size_t))) [(*(size_t *)mg->mg_ptr)++] = CvPADLIST (cv); |
547 | |
|
|
548 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
|
|
549 | av_extend (av, AvFILLp (av) + 1); |
|
|
550 | |
|
|
551 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
|
|
552 | } |
660 | } |
553 | |
661 | |
554 | /** load & save, init *******************************************************/ |
662 | /** load & save, init *******************************************************/ |
|
|
663 | |
|
|
664 | ecb_inline void |
|
|
665 | swap_sv (SV *a, SV *b) |
|
|
666 | { |
|
|
667 | const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */ |
|
|
668 | SV tmp; |
|
|
669 | |
|
|
670 | /* swap sv_any */ |
|
|
671 | SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp); |
|
|
672 | |
|
|
673 | /* swap sv_flags */ |
|
|
674 | SvFLAGS (&tmp) = SvFLAGS (a); |
|
|
675 | SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep); |
|
|
676 | SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep); |
|
|
677 | |
|
|
678 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
679 | /* perl 5.10 and later complicates this _quite_ a bit, but it also |
|
|
680 | * is much faster, so no quarrels here. alternatively, we could |
|
|
681 | * sv_upgrade to avoid this. |
|
|
682 | */ |
|
|
683 | { |
|
|
684 | /* swap sv_u */ |
|
|
685 | tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u; |
|
|
686 | |
|
|
687 | /* if SvANY points to the head, we need to adjust the pointers, |
|
|
688 | * as the pointer for a still points to b, and maybe vice versa. |
|
|
689 | */ |
|
|
690 | #define svany_in_head(type) \ |
|
|
691 | (((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type))) |
|
|
692 | |
|
|
693 | if (svany_in_head (SvTYPE (a))) |
|
|
694 | SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a); |
|
|
695 | |
|
|
696 | if (svany_in_head (SvTYPE (b))) |
|
|
697 | SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b); |
|
|
698 | } |
|
|
699 | #endif |
|
|
700 | } |
|
|
701 | |
|
|
702 | /* swap sv heads, at least logically */ |
|
|
703 | static void |
|
|
704 | swap_svs (pTHX_ Coro__State c) |
|
|
705 | { |
|
|
706 | int i; |
|
|
707 | |
|
|
708 | for (i = 0; i <= AvFILLp (c->swap_sv); i += 2) |
|
|
709 | swap_sv (AvARRAY (c->swap_sv)[i], AvARRAY (c->swap_sv)[i + 1]); |
|
|
710 | } |
|
|
711 | |
|
|
712 | #define SWAP_SVS(coro) \ |
|
|
713 | if (ecb_expect_false ((coro)->swap_sv)) \ |
|
|
714 | swap_svs (aTHX_ (coro)) |
555 | |
715 | |
556 | static void |
716 | static void |
557 | on_enterleave_call (pTHX_ SV *cb); |
717 | on_enterleave_call (pTHX_ SV *cb); |
558 | |
718 | |
559 | static void |
719 | static void |
… | |
… | |
562 | perl_slots *slot = c->slot; |
722 | perl_slots *slot = c->slot; |
563 | c->slot = 0; |
723 | c->slot = 0; |
564 | |
724 | |
565 | PL_mainstack = c->mainstack; |
725 | PL_mainstack = c->mainstack; |
566 | |
726 | |
567 | GvSV (PL_defgv) = slot->defsv; |
727 | #if CORO_JIT |
568 | GvAV (PL_defgv) = slot->defav; |
728 | load_perl_slots (slot); |
569 | GvSV (PL_errgv) = slot->errsv; |
729 | #else |
570 | GvSV (irsgv) = slot->irsgv; |
|
|
571 | GvHV (PL_hintgv) = slot->hinthv; |
|
|
572 | |
|
|
573 | #define VAR(name,type) PL_ ## name = slot->name; |
730 | #define VARx(name,expr,type) expr = slot->name; |
574 | # include "state.h" |
731 | #include "state.h" |
575 | #undef VAR |
732 | #endif |
576 | |
733 | |
577 | { |
734 | { |
578 | dSP; |
735 | dSP; |
579 | |
736 | |
580 | CV *cv; |
737 | CV *cv; |
581 | |
738 | |
582 | /* now do the ugly restore mess */ |
739 | /* now do the ugly restore mess */ |
583 | while (expect_true (cv = (CV *)POPs)) |
740 | while (ecb_expect_true (cv = (CV *)POPs)) |
584 | { |
741 | { |
585 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
742 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
586 | CvDEPTH (cv) = PTR2IV (POPs); |
743 | CvDEPTH (cv) = PTR2IV (POPs); |
587 | CvPADLIST (cv) = (AV *)POPs; |
744 | CvPADLIST (cv) = (PADLIST *)POPs; |
588 | } |
745 | } |
589 | |
746 | |
590 | PUTBACK; |
747 | PUTBACK; |
591 | } |
748 | } |
592 | |
749 | |
593 | slf_frame = c->slf_frame; |
750 | slf_frame = c->slf_frame; |
594 | CORO_THROW = c->except; |
751 | CORO_THROW = c->except; |
595 | |
752 | |
|
|
753 | if (ecb_expect_false (enable_times)) |
|
|
754 | { |
|
|
755 | if (ecb_expect_false (!times_valid)) |
|
|
756 | coro_times_update (); |
|
|
757 | |
|
|
758 | coro_times_sub (c); |
|
|
759 | } |
|
|
760 | |
596 | if (expect_false (c->on_enter)) |
761 | if (ecb_expect_false (c->on_enter)) |
597 | { |
762 | { |
598 | int i; |
763 | int i; |
599 | |
764 | |
600 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
765 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
601 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
766 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
602 | } |
767 | } |
|
|
768 | |
|
|
769 | SWAP_SVS (c); |
603 | } |
770 | } |
604 | |
771 | |
605 | static void |
772 | static void |
606 | save_perl (pTHX_ Coro__State c) |
773 | save_perl (pTHX_ Coro__State c) |
607 | { |
774 | { |
|
|
775 | SWAP_SVS (c); |
|
|
776 | |
608 | if (expect_false (c->on_leave)) |
777 | if (ecb_expect_false (c->on_leave)) |
609 | { |
778 | { |
610 | int i; |
779 | int i; |
611 | |
780 | |
612 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
781 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
613 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
782 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
|
|
783 | } |
|
|
784 | |
|
|
785 | times_valid = 0; |
|
|
786 | |
|
|
787 | if (ecb_expect_false (enable_times)) |
|
|
788 | { |
|
|
789 | coro_times_update (); times_valid = 1; |
|
|
790 | coro_times_add (c); |
614 | } |
791 | } |
615 | |
792 | |
616 | c->except = CORO_THROW; |
793 | c->except = CORO_THROW; |
617 | c->slf_frame = slf_frame; |
794 | c->slf_frame = slf_frame; |
618 | |
795 | |
… | |
… | |
629 | |
806 | |
630 | XPUSHs (Nullsv); |
807 | XPUSHs (Nullsv); |
631 | /* this loop was inspired by pp_caller */ |
808 | /* this loop was inspired by pp_caller */ |
632 | for (;;) |
809 | for (;;) |
633 | { |
810 | { |
634 | while (expect_true (cxix >= 0)) |
811 | while (ecb_expect_true (cxix >= 0)) |
635 | { |
812 | { |
636 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
813 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
637 | |
814 | |
638 | if (expect_true (CxTYPE (cx) == CXt_SUB) || expect_false (CxTYPE (cx) == CXt_FORMAT)) |
815 | if (ecb_expect_true (CxTYPE (cx) == CXt_SUB) || ecb_expect_false (CxTYPE (cx) == CXt_FORMAT)) |
639 | { |
816 | { |
640 | CV *cv = cx->blk_sub.cv; |
817 | CV *cv = cx->blk_sub.cv; |
641 | |
818 | |
642 | if (expect_true (CvDEPTH (cv))) |
819 | if (ecb_expect_true (CvDEPTH (cv))) |
643 | { |
820 | { |
644 | EXTEND (SP, 3); |
821 | EXTEND (SP, 3); |
645 | PUSHs ((SV *)CvPADLIST (cv)); |
822 | PUSHs ((SV *)CvPADLIST (cv)); |
646 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
823 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
647 | PUSHs ((SV *)cv); |
824 | PUSHs ((SV *)cv); |
… | |
… | |
650 | get_padlist (aTHX_ cv); |
827 | get_padlist (aTHX_ cv); |
651 | } |
828 | } |
652 | } |
829 | } |
653 | } |
830 | } |
654 | |
831 | |
655 | if (expect_true (top_si->si_type == PERLSI_MAIN)) |
832 | if (ecb_expect_true (top_si->si_type == PERLSI_MAIN)) |
656 | break; |
833 | break; |
657 | |
834 | |
658 | top_si = top_si->si_prev; |
835 | top_si = top_si->si_prev; |
659 | ccstk = top_si->si_cxstack; |
836 | ccstk = top_si->si_cxstack; |
660 | cxix = top_si->si_cxix; |
837 | cxix = top_si->si_cxix; |
… | |
… | |
662 | |
839 | |
663 | PUTBACK; |
840 | PUTBACK; |
664 | } |
841 | } |
665 | |
842 | |
666 | /* allocate some space on the context stack for our purposes */ |
843 | /* allocate some space on the context stack for our purposes */ |
667 | /* we manually unroll here, as usually 2 slots is enough */ |
844 | if (ecb_expect_false (cxstack_ix + (int)SLOT_COUNT >= cxstack_max)) |
668 | if (SLOT_COUNT >= 1) CXINC; |
|
|
669 | if (SLOT_COUNT >= 2) CXINC; |
|
|
670 | if (SLOT_COUNT >= 3) CXINC; |
|
|
671 | { |
845 | { |
672 | int i; |
846 | unsigned int i; |
|
|
847 | |
673 | for (i = 3; i < SLOT_COUNT; ++i) |
848 | for (i = 0; i < SLOT_COUNT; ++i) |
674 | CXINC; |
849 | CXINC; |
675 | } |
850 | |
676 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
851 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
|
|
852 | } |
677 | |
853 | |
678 | c->mainstack = PL_mainstack; |
854 | c->mainstack = PL_mainstack; |
679 | |
855 | |
680 | { |
856 | { |
681 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
857 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
682 | |
858 | |
683 | slot->defav = GvAV (PL_defgv); |
859 | #if CORO_JIT |
684 | slot->defsv = DEFSV; |
860 | save_perl_slots (slot); |
685 | slot->errsv = ERRSV; |
861 | #else |
686 | slot->irsgv = GvSV (irsgv); |
|
|
687 | slot->hinthv = GvHV (PL_hintgv); |
|
|
688 | |
|
|
689 | #define VAR(name,type) slot->name = PL_ ## name; |
862 | #define VARx(name,expr,type) slot->name = expr; |
690 | # include "state.h" |
863 | #include "state.h" |
691 | #undef VAR |
864 | #endif |
692 | } |
865 | } |
693 | } |
866 | } |
694 | |
867 | |
695 | /* |
868 | /* |
696 | * allocate various perl stacks. This is almost an exact copy |
869 | * allocate various perl stacks. This is almost an exact copy |
… | |
… | |
702 | # define coro_init_stacks(thx) init_stacks () |
875 | # define coro_init_stacks(thx) init_stacks () |
703 | #else |
876 | #else |
704 | static void |
877 | static void |
705 | coro_init_stacks (pTHX) |
878 | coro_init_stacks (pTHX) |
706 | { |
879 | { |
707 | PL_curstackinfo = new_stackinfo(32, 8); |
880 | PL_curstackinfo = new_stackinfo(32, 4 + SLOT_COUNT); /* 3 is minimum due to perl rounding down in scope.c:GROW() */ |
708 | PL_curstackinfo->si_type = PERLSI_MAIN; |
881 | PL_curstackinfo->si_type = PERLSI_MAIN; |
709 | PL_curstack = PL_curstackinfo->si_stack; |
882 | PL_curstack = PL_curstackinfo->si_stack; |
710 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
883 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
711 | |
884 | |
712 | PL_stack_base = AvARRAY(PL_curstack); |
885 | PL_stack_base = AvARRAY(PL_curstack); |
… | |
… | |
727 | #endif |
900 | #endif |
728 | |
901 | |
729 | New(54,PL_scopestack,8,I32); |
902 | New(54,PL_scopestack,8,I32); |
730 | PL_scopestack_ix = 0; |
903 | PL_scopestack_ix = 0; |
731 | PL_scopestack_max = 8; |
904 | PL_scopestack_max = 8; |
|
|
905 | #if HAS_SCOPESTACK_NAME |
|
|
906 | New(54,PL_scopestack_name,8,const char*); |
|
|
907 | #endif |
732 | |
908 | |
733 | New(54,PL_savestack,24,ANY); |
909 | New(54,PL_savestack,24,ANY); |
734 | PL_savestack_ix = 0; |
910 | PL_savestack_ix = 0; |
735 | PL_savestack_max = 24; |
911 | PL_savestack_max = 24; |
736 | |
912 | |
… | |
… | |
764 | } |
940 | } |
765 | |
941 | |
766 | Safefree (PL_tmps_stack); |
942 | Safefree (PL_tmps_stack); |
767 | Safefree (PL_markstack); |
943 | Safefree (PL_markstack); |
768 | Safefree (PL_scopestack); |
944 | Safefree (PL_scopestack); |
|
|
945 | #if HAS_SCOPESTACK_NAME |
|
|
946 | Safefree (PL_scopestack_name); |
|
|
947 | #endif |
769 | Safefree (PL_savestack); |
948 | Safefree (PL_savestack); |
770 | #if !PERL_VERSION_ATLEAST (5,10,0) |
949 | #if !PERL_VERSION_ATLEAST (5,10,0) |
771 | Safefree (PL_retstack); |
950 | Safefree (PL_retstack); |
772 | #endif |
951 | #endif |
773 | } |
952 | } |
… | |
… | |
819 | #endif |
998 | #endif |
820 | |
999 | |
821 | /* |
1000 | /* |
822 | * This overrides the default magic get method of %SIG elements. |
1001 | * This overrides the default magic get method of %SIG elements. |
823 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
1002 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
824 | * and instead of trying to save and restore the hash elements, we just provide |
1003 | * and instead of trying to save and restore the hash elements (extremely slow), |
825 | * readback here. |
1004 | * we just provide our own readback here. |
826 | */ |
1005 | */ |
827 | static int |
1006 | static int ecb_cold |
828 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
1007 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
829 | { |
1008 | { |
830 | const char *s = MgPV_nolen_const (mg); |
1009 | const char *s = MgPV_nolen_const (mg); |
831 | |
1010 | |
832 | if (*s == '_') |
1011 | if (*s == '_') |
833 | { |
1012 | { |
834 | SV **svp = 0; |
1013 | SV **svp = 0; |
835 | |
1014 | |
836 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
1015 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
837 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
1016 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
838 | |
1017 | |
839 | if (svp) |
1018 | if (svp) |
840 | { |
1019 | { |
841 | sv_setsv (sv, *svp ? *svp : &PL_sv_undef); |
1020 | SV *ssv; |
|
|
1021 | |
|
|
1022 | if (!*svp) |
|
|
1023 | ssv = &PL_sv_undef; |
|
|
1024 | else if (SvTYPE (*svp) == SVt_PVCV) /* perlio directly stores a CV in warnhook. ugh. */ |
|
|
1025 | ssv = sv_2mortal (newRV_inc (*svp)); |
|
|
1026 | else |
|
|
1027 | ssv = *svp; |
|
|
1028 | |
|
|
1029 | sv_setsv (sv, ssv); |
842 | return 0; |
1030 | return 0; |
843 | } |
1031 | } |
844 | } |
1032 | } |
845 | |
1033 | |
846 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
1034 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
847 | } |
1035 | } |
848 | |
1036 | |
849 | static int |
1037 | static int ecb_cold |
850 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
1038 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
851 | { |
1039 | { |
852 | const char *s = MgPV_nolen_const (mg); |
1040 | const char *s = MgPV_nolen_const (mg); |
853 | |
1041 | |
854 | if (*s == '_') |
1042 | if (*s == '_') |
… | |
… | |
868 | } |
1056 | } |
869 | |
1057 | |
870 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
1058 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
871 | } |
1059 | } |
872 | |
1060 | |
873 | static int |
1061 | static int ecb_cold |
874 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
1062 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
875 | { |
1063 | { |
876 | const char *s = MgPV_nolen_const (mg); |
1064 | const char *s = MgPV_nolen_const (mg); |
877 | |
1065 | |
878 | if (*s == '_') |
1066 | if (*s == '_') |
… | |
… | |
911 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
1099 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
912 | { |
1100 | { |
913 | return 1; |
1101 | return 1; |
914 | } |
1102 | } |
915 | |
1103 | |
916 | static UNOP coro_setup_op; |
1104 | static UNOP init_perl_op; |
917 | |
1105 | |
918 | static void NOINLINE /* noinline to keep it out of the transfer fast path */ |
1106 | ecb_noinline static void /* noinline to keep it out of the transfer fast path */ |
919 | coro_setup (pTHX_ struct coro *coro) |
1107 | init_perl (pTHX_ struct coro *coro) |
920 | { |
1108 | { |
921 | /* |
1109 | /* |
922 | * emulate part of the perl startup here. |
1110 | * emulate part of the perl startup here. |
923 | */ |
1111 | */ |
924 | coro_init_stacks (aTHX); |
1112 | coro_init_stacks (aTHX); |
… | |
… | |
931 | PL_comppad_name_fill = 0; |
1119 | PL_comppad_name_fill = 0; |
932 | PL_comppad_name_floor = 0; |
1120 | PL_comppad_name_floor = 0; |
933 | PL_curpm = 0; |
1121 | PL_curpm = 0; |
934 | PL_curpad = 0; |
1122 | PL_curpad = 0; |
935 | PL_localizing = 0; |
1123 | PL_localizing = 0; |
936 | PL_dirty = 0; |
|
|
937 | PL_restartop = 0; |
1124 | PL_restartop = 0; |
938 | #if PERL_VERSION_ATLEAST (5,10,0) |
1125 | #if PERL_VERSION_ATLEAST (5,10,0) |
939 | PL_parser = 0; |
1126 | PL_parser = 0; |
940 | #endif |
1127 | #endif |
941 | PL_hints = 0; |
1128 | PL_hints = 0; |
942 | |
1129 | |
943 | /* recreate the die/warn hooks */ |
1130 | /* recreate the die/warn hooks */ |
944 | PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); |
1131 | PL_diehook = SvREFCNT_inc (rv_diehook); |
945 | PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook); |
1132 | PL_warnhook = SvREFCNT_inc (rv_warnhook); |
946 | |
1133 | |
947 | GvSV (PL_defgv) = newSV (0); |
1134 | GvSV (PL_defgv) = newSV (0); |
948 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1135 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
949 | GvSV (PL_errgv) = newSV (0); |
1136 | GvSV (PL_errgv) = newSV (0); |
950 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
1137 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
951 | GvHV (PL_hintgv) = 0; |
1138 | GvHV (PL_hintgv) = 0; |
… | |
… | |
971 | /* this newly created coroutine might be run on an existing cctx which most |
1158 | /* this newly created coroutine might be run on an existing cctx which most |
972 | * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. |
1159 | * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. |
973 | */ |
1160 | */ |
974 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
1161 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
975 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
1162 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
|
|
1163 | slf_frame.destroy = 0; |
976 | |
1164 | |
977 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
1165 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
978 | coro_setup_op.op_next = PL_op; |
1166 | init_perl_op.op_next = PL_op; |
979 | coro_setup_op.op_type = OP_ENTERSUB; |
1167 | init_perl_op.op_type = OP_ENTERSUB; |
980 | coro_setup_op.op_ppaddr = pp_slf; |
1168 | init_perl_op.op_ppaddr = pp_slf; |
981 | /* no flags etc. required, as an init function won't be called */ |
1169 | /* no flags etc. required, as an init function won't be called */ |
982 | |
1170 | |
983 | PL_op = (OP *)&coro_setup_op; |
1171 | PL_op = (OP *)&init_perl_op; |
984 | |
1172 | |
985 | /* copy throw, in case it was set before coro_setup */ |
1173 | /* copy throw, in case it was set before init_perl */ |
986 | CORO_THROW = coro->except; |
1174 | CORO_THROW = coro->except; |
|
|
1175 | |
|
|
1176 | SWAP_SVS (coro); |
|
|
1177 | |
|
|
1178 | if (ecb_expect_false (enable_times)) |
|
|
1179 | { |
|
|
1180 | coro_times_update (); |
|
|
1181 | coro_times_sub (coro); |
|
|
1182 | } |
987 | } |
1183 | } |
988 | |
1184 | |
989 | static void |
1185 | static void |
990 | coro_unwind_stacks (pTHX) |
1186 | coro_unwind_stacks (pTHX) |
991 | { |
1187 | { |
… | |
… | |
1006 | dounwind (-1); |
1202 | dounwind (-1); |
1007 | } |
1203 | } |
1008 | } |
1204 | } |
1009 | |
1205 | |
1010 | static void |
1206 | static void |
1011 | coro_destruct_perl (pTHX_ struct coro *coro) |
1207 | destroy_perl (pTHX_ struct coro *coro) |
1012 | { |
1208 | { |
1013 | SV *svf [9]; |
1209 | SV *svf [9]; |
1014 | |
1210 | |
1015 | { |
1211 | { |
|
|
1212 | SV *old_current = SvRV (coro_current); |
1016 | struct coro *current = SvSTATE_current; |
1213 | struct coro *current = SvSTATE (old_current); |
1017 | |
1214 | |
1018 | assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack)); |
1215 | assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack)); |
1019 | |
1216 | |
1020 | save_perl (aTHX_ current); |
1217 | save_perl (aTHX_ current); |
|
|
1218 | |
|
|
1219 | /* this will cause transfer_check to croak on block*/ |
|
|
1220 | SvRV_set (coro_current, (SV *)coro->hv); |
|
|
1221 | |
1021 | load_perl (aTHX_ coro); |
1222 | load_perl (aTHX_ coro); |
1022 | |
1223 | |
1023 | coro_unwind_stacks (aTHX); |
1224 | coro_unwind_stacks (aTHX); |
|
|
1225 | |
|
|
1226 | /* restore swapped sv's */ |
|
|
1227 | SWAP_SVS (coro); |
|
|
1228 | |
1024 | coro_destruct_stacks (aTHX); |
1229 | coro_destruct_stacks (aTHX); |
1025 | |
1230 | |
1026 | // now save some sv's to be free'd later |
1231 | /* now save some sv's to be free'd later */ |
1027 | svf [0] = GvSV (PL_defgv); |
1232 | svf [0] = GvSV (PL_defgv); |
1028 | svf [1] = (SV *)GvAV (PL_defgv); |
1233 | svf [1] = (SV *)GvAV (PL_defgv); |
1029 | svf [2] = GvSV (PL_errgv); |
1234 | svf [2] = GvSV (PL_errgv); |
1030 | svf [3] = (SV *)PL_defoutgv; |
1235 | svf [3] = (SV *)PL_defoutgv; |
1031 | svf [4] = PL_rs; |
1236 | svf [4] = PL_rs; |
… | |
… | |
1033 | svf [6] = (SV *)GvHV (PL_hintgv); |
1238 | svf [6] = (SV *)GvHV (PL_hintgv); |
1034 | svf [7] = PL_diehook; |
1239 | svf [7] = PL_diehook; |
1035 | svf [8] = PL_warnhook; |
1240 | svf [8] = PL_warnhook; |
1036 | assert (9 == sizeof (svf) / sizeof (*svf)); |
1241 | assert (9 == sizeof (svf) / sizeof (*svf)); |
1037 | |
1242 | |
|
|
1243 | SvRV_set (coro_current, old_current); |
|
|
1244 | |
1038 | load_perl (aTHX_ current); |
1245 | load_perl (aTHX_ current); |
1039 | } |
1246 | } |
1040 | |
1247 | |
1041 | { |
1248 | { |
1042 | int i; |
1249 | unsigned int i; |
1043 | |
1250 | |
1044 | for (i = 0; i < sizeof (svf) / sizeof (*svf); ++i) |
1251 | for (i = 0; i < sizeof (svf) / sizeof (*svf); ++i) |
1045 | SvREFCNT_dec (svf [i]); |
1252 | SvREFCNT_dec (svf [i]); |
1046 | |
1253 | |
1047 | SvREFCNT_dec (coro->saved_deffh); |
1254 | SvREFCNT_dec (coro->saved_deffh); |
… | |
… | |
1049 | SvREFCNT_dec (coro->invoke_cb); |
1256 | SvREFCNT_dec (coro->invoke_cb); |
1050 | SvREFCNT_dec (coro->invoke_av); |
1257 | SvREFCNT_dec (coro->invoke_av); |
1051 | } |
1258 | } |
1052 | } |
1259 | } |
1053 | |
1260 | |
1054 | INLINE void |
1261 | ecb_inline void |
1055 | free_coro_mortal (pTHX) |
1262 | free_coro_mortal (pTHX) |
1056 | { |
1263 | { |
1057 | if (expect_true (coro_mortal)) |
1264 | if (ecb_expect_true (coro_mortal)) |
1058 | { |
1265 | { |
1059 | SvREFCNT_dec (coro_mortal); |
1266 | SvREFCNT_dec ((SV *)coro_mortal); |
1060 | coro_mortal = 0; |
1267 | coro_mortal = 0; |
1061 | } |
1268 | } |
1062 | } |
1269 | } |
1063 | |
1270 | |
1064 | static int |
1271 | static int |
… | |
… | |
1197 | |
1404 | |
1198 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1405 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1199 | } |
1406 | } |
1200 | |
1407 | |
1201 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1408 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1202 | static void NOINLINE |
1409 | static void ecb_noinline |
1203 | cctx_prepare (pTHX) |
1410 | cctx_prepare (pTHX) |
1204 | { |
1411 | { |
1205 | PL_top_env = &PL_start_env; |
1412 | PL_top_env = &PL_start_env; |
1206 | |
1413 | |
1207 | if (cctx_current->flags & CC_TRACE) |
1414 | if (cctx_current->flags & CC_TRACE) |
… | |
… | |
1218 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1425 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1219 | slf_frame.check = slf_check_set_stacklevel; |
1426 | slf_frame.check = slf_check_set_stacklevel; |
1220 | } |
1427 | } |
1221 | |
1428 | |
1222 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1429 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1223 | INLINE void |
1430 | ecb_inline void |
1224 | transfer_tail (pTHX) |
1431 | transfer_tail (pTHX) |
1225 | { |
1432 | { |
1226 | free_coro_mortal (aTHX); |
1433 | free_coro_mortal (aTHX); |
|
|
1434 | } |
|
|
1435 | |
|
|
1436 | /* try to exit the same way perl's main function would do */ |
|
|
1437 | /* we do not bother resetting the environment or other things *7 |
|
|
1438 | /* that are not, uhm, essential */ |
|
|
1439 | /* this obviously also doesn't work when perl is embedded */ |
|
|
1440 | static void ecb_noinline ecb_cold |
|
|
1441 | perlish_exit (pTHX) |
|
|
1442 | { |
|
|
1443 | int exitstatus = perl_destruct (PL_curinterp); |
|
|
1444 | perl_free (PL_curinterp); |
|
|
1445 | exit (exitstatus); |
1227 | } |
1446 | } |
1228 | |
1447 | |
1229 | /* |
1448 | /* |
1230 | * this is a _very_ stripped down perl interpreter ;) |
1449 | * this is a _very_ stripped down perl interpreter ;) |
1231 | */ |
1450 | */ |
… | |
… | |
1253 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1472 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1254 | PL_restartop = PL_op; |
1473 | PL_restartop = PL_op; |
1255 | perl_run (PL_curinterp); |
1474 | perl_run (PL_curinterp); |
1256 | /* |
1475 | /* |
1257 | * Unfortunately, there is no way to get at the return values of the |
1476 | * Unfortunately, there is no way to get at the return values of the |
1258 | * coro body here, as perl_run destroys these |
1477 | * coro body here, as perl_run destroys these. Likewise, we cannot catch |
|
|
1478 | * runtime errors here, as this is just a random interpreter, not a thread. |
1259 | */ |
1479 | */ |
1260 | |
1480 | |
1261 | /* |
1481 | /* |
1262 | * If perl-run returns we assume exit() was being called or the coro |
1482 | * If perl-run returns we assume exit() was being called or the coro |
1263 | * fell off the end, which seems to be the only valid (non-bug) |
1483 | * fell off the end, which seems to be the only valid (non-bug) |
1264 | * reason for perl_run to return. We try to exit by jumping to the |
1484 | * reason for perl_run to return. We try to mimic whatever perl is normally |
1265 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
1485 | * doing in that case. YMMV. |
1266 | * coroutine as Coro has no such concept. |
|
|
1267 | * This actually isn't valid with the pthread backend, but OSes requiring |
|
|
1268 | * that backend are too broken to do it in a standards-compliant way. |
|
|
1269 | */ |
1486 | */ |
1270 | PL_top_env = main_top_env; |
1487 | perlish_exit (aTHX); |
1271 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
|
|
1272 | } |
1488 | } |
1273 | } |
1489 | } |
1274 | |
1490 | |
1275 | static coro_cctx * |
1491 | static coro_cctx * |
1276 | cctx_new () |
1492 | cctx_new (void) |
1277 | { |
1493 | { |
1278 | coro_cctx *cctx; |
1494 | coro_cctx *cctx; |
1279 | |
1495 | |
1280 | ++cctx_count; |
1496 | ++cctx_count; |
1281 | New (0, cctx, 1, coro_cctx); |
1497 | New (0, cctx, 1, coro_cctx); |
… | |
… | |
1287 | return cctx; |
1503 | return cctx; |
1288 | } |
1504 | } |
1289 | |
1505 | |
1290 | /* create a new cctx only suitable as source */ |
1506 | /* create a new cctx only suitable as source */ |
1291 | static coro_cctx * |
1507 | static coro_cctx * |
1292 | cctx_new_empty () |
1508 | cctx_new_empty (void) |
1293 | { |
1509 | { |
1294 | coro_cctx *cctx = cctx_new (); |
1510 | coro_cctx *cctx = cctx_new (); |
1295 | |
1511 | |
1296 | cctx->sptr = 0; |
1512 | cctx->stack.sptr = 0; |
1297 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
1513 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
1298 | |
1514 | |
1299 | return cctx; |
1515 | return cctx; |
1300 | } |
1516 | } |
1301 | |
1517 | |
1302 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1518 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1303 | static coro_cctx * |
1519 | static coro_cctx * |
1304 | cctx_new_run () |
1520 | cctx_new_run (void) |
1305 | { |
1521 | { |
1306 | coro_cctx *cctx = cctx_new (); |
1522 | coro_cctx *cctx = cctx_new (); |
1307 | void *stack_start; |
|
|
1308 | size_t stack_size; |
|
|
1309 | |
1523 | |
1310 | #if HAVE_MMAP |
1524 | if (!coro_stack_alloc (&cctx->stack, cctx_stacksize)) |
1311 | cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
|
|
1312 | /* mmap supposedly does allocate-on-write for us */ |
|
|
1313 | cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
|
|
1314 | |
|
|
1315 | if (cctx->sptr != (void *)-1) |
|
|
1316 | { |
|
|
1317 | #if CORO_STACKGUARD |
|
|
1318 | mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); |
|
|
1319 | #endif |
|
|
1320 | stack_start = (char *)cctx->sptr + CORO_STACKGUARD * PAGESIZE; |
|
|
1321 | stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE; |
|
|
1322 | cctx->flags |= CC_MAPPED; |
|
|
1323 | } |
1525 | { |
1324 | else |
|
|
1325 | #endif |
|
|
1326 | { |
|
|
1327 | cctx->ssize = cctx_stacksize * (long)sizeof (long); |
|
|
1328 | New (0, cctx->sptr, cctx_stacksize, long); |
|
|
1329 | |
|
|
1330 | if (!cctx->sptr) |
|
|
1331 | { |
|
|
1332 | perror ("FATAL: unable to allocate stack for coroutine, exiting."); |
1526 | perror ("FATAL: unable to allocate stack for coroutine, exiting."); |
1333 | _exit (EXIT_FAILURE); |
1527 | _exit (EXIT_FAILURE); |
1334 | } |
|
|
1335 | |
|
|
1336 | stack_start = cctx->sptr; |
|
|
1337 | stack_size = cctx->ssize; |
|
|
1338 | } |
1528 | } |
1339 | |
1529 | |
1340 | #if CORO_USE_VALGRIND |
|
|
1341 | cctx->valgrind_id = VALGRIND_STACK_REGISTER ((char *)stack_start, (char *)stack_start + stack_size); |
|
|
1342 | #endif |
|
|
1343 | |
|
|
1344 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size); |
1530 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, cctx->stack.sptr, cctx->stack.ssze); |
1345 | |
1531 | |
1346 | return cctx; |
1532 | return cctx; |
1347 | } |
1533 | } |
1348 | |
1534 | |
1349 | static void |
1535 | static void |
1350 | cctx_destroy (coro_cctx *cctx) |
1536 | cctx_destroy (coro_cctx *cctx) |
1351 | { |
1537 | { |
1352 | if (!cctx) |
1538 | if (!cctx) |
1353 | return; |
1539 | return; |
1354 | |
1540 | |
1355 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));//D temporary? |
1541 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current)); |
1356 | |
1542 | |
1357 | --cctx_count; |
1543 | --cctx_count; |
1358 | coro_destroy (&cctx->cctx); |
1544 | coro_destroy (&cctx->cctx); |
1359 | |
1545 | |
1360 | /* coro_transfer creates new, empty cctx's */ |
1546 | coro_stack_free (&cctx->stack); |
1361 | if (cctx->sptr) |
|
|
1362 | { |
|
|
1363 | #if CORO_USE_VALGRIND |
|
|
1364 | VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); |
|
|
1365 | #endif |
|
|
1366 | |
|
|
1367 | #if HAVE_MMAP |
|
|
1368 | if (cctx->flags & CC_MAPPED) |
|
|
1369 | munmap (cctx->sptr, cctx->ssize); |
|
|
1370 | else |
|
|
1371 | #endif |
|
|
1372 | Safefree (cctx->sptr); |
|
|
1373 | } |
|
|
1374 | |
1547 | |
1375 | Safefree (cctx); |
1548 | Safefree (cctx); |
1376 | } |
1549 | } |
1377 | |
1550 | |
1378 | /* wether this cctx should be destructed */ |
1551 | /* wether this cctx should be destructed */ |
1379 | #define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) |
1552 | #define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) |
1380 | |
1553 | |
1381 | static coro_cctx * |
1554 | static coro_cctx * |
1382 | cctx_get (pTHX) |
1555 | cctx_get (pTHX) |
1383 | { |
1556 | { |
1384 | while (expect_true (cctx_first)) |
1557 | while (ecb_expect_true (cctx_first)) |
1385 | { |
1558 | { |
1386 | coro_cctx *cctx = cctx_first; |
1559 | coro_cctx *cctx = cctx_first; |
1387 | cctx_first = cctx->next; |
1560 | cctx_first = cctx->next; |
1388 | --cctx_idle; |
1561 | --cctx_idle; |
1389 | |
1562 | |
1390 | if (expect_true (!CCTX_EXPIRED (cctx))) |
1563 | if (ecb_expect_true (!CCTX_EXPIRED (cctx))) |
1391 | return cctx; |
1564 | return cctx; |
1392 | |
1565 | |
1393 | cctx_destroy (cctx); |
1566 | cctx_destroy (cctx); |
1394 | } |
1567 | } |
1395 | |
1568 | |
… | |
… | |
1397 | } |
1570 | } |
1398 | |
1571 | |
1399 | static void |
1572 | static void |
1400 | cctx_put (coro_cctx *cctx) |
1573 | cctx_put (coro_cctx *cctx) |
1401 | { |
1574 | { |
1402 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr)); |
1575 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->stack.sptr)); |
1403 | |
1576 | |
1404 | /* free another cctx if overlimit */ |
1577 | /* free another cctx if overlimit */ |
1405 | if (expect_false (cctx_idle >= cctx_max_idle)) |
1578 | if (ecb_expect_false (cctx_idle >= cctx_max_idle)) |
1406 | { |
1579 | { |
1407 | coro_cctx *first = cctx_first; |
1580 | coro_cctx *first = cctx_first; |
1408 | cctx_first = first->next; |
1581 | cctx_first = first->next; |
1409 | --cctx_idle; |
1582 | --cctx_idle; |
1410 | |
1583 | |
… | |
… | |
1421 | static void |
1594 | static void |
1422 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1595 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1423 | { |
1596 | { |
1424 | /* TODO: throwing up here is considered harmful */ |
1597 | /* TODO: throwing up here is considered harmful */ |
1425 | |
1598 | |
1426 | if (expect_true (prev != next)) |
1599 | if (ecb_expect_true (prev != next)) |
1427 | { |
1600 | { |
1428 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1601 | if (ecb_expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1429 | croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); |
1602 | croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); |
1430 | |
1603 | |
1431 | if (expect_false (next->flags & (CF_RUNNING | CF_DESTROYED | CF_SUSPENDED))) |
1604 | if (ecb_expect_false (next->flags & (CF_RUNNING | CF_ZOMBIE | CF_SUSPENDED))) |
1432 | croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); |
1605 | croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); |
1433 | |
1606 | |
1434 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1607 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1435 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1608 | if (ecb_expect_false (PL_lex_state != LEX_NOTPARSING)) |
1436 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1609 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1437 | #endif |
1610 | #endif |
1438 | } |
1611 | } |
1439 | } |
1612 | } |
1440 | |
1613 | |
1441 | /* always use the TRANSFER macro */ |
1614 | /* always use the TRANSFER macro */ |
1442 | static void NOINLINE /* noinline so we have a fixed stackframe */ |
1615 | static void ecb_noinline /* noinline so we have a fixed stackframe */ |
1443 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1616 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1444 | { |
1617 | { |
1445 | dSTACKLEVEL; |
1618 | dSTACKLEVEL; |
1446 | |
1619 | |
1447 | /* sometimes transfer is only called to set idle_sp */ |
1620 | /* sometimes transfer is only called to set idle_sp */ |
1448 | if (expect_false (!prev)) |
1621 | if (ecb_expect_false (!prev)) |
1449 | { |
1622 | { |
1450 | cctx_current->idle_sp = STACKLEVEL; |
1623 | cctx_current->idle_sp = STACKLEVEL; |
1451 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1624 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1452 | } |
1625 | } |
1453 | else if (expect_true (prev != next)) |
1626 | else if (ecb_expect_true (prev != next)) |
1454 | { |
1627 | { |
1455 | coro_cctx *cctx_prev; |
1628 | coro_cctx *cctx_prev; |
1456 | |
1629 | |
1457 | if (expect_false (prev->flags & CF_NEW)) |
1630 | if (ecb_expect_false (prev->flags & CF_NEW)) |
1458 | { |
1631 | { |
1459 | /* create a new empty/source context */ |
1632 | /* create a new empty/source context */ |
1460 | prev->flags &= ~CF_NEW; |
1633 | prev->flags &= ~CF_NEW; |
1461 | prev->flags |= CF_RUNNING; |
1634 | prev->flags |= CF_RUNNING; |
1462 | } |
1635 | } |
… | |
… | |
1465 | next->flags |= CF_RUNNING; |
1638 | next->flags |= CF_RUNNING; |
1466 | |
1639 | |
1467 | /* first get rid of the old state */ |
1640 | /* first get rid of the old state */ |
1468 | save_perl (aTHX_ prev); |
1641 | save_perl (aTHX_ prev); |
1469 | |
1642 | |
1470 | if (expect_false (next->flags & CF_NEW)) |
1643 | if (ecb_expect_false (next->flags & CF_NEW)) |
1471 | { |
1644 | { |
1472 | /* need to start coroutine */ |
1645 | /* need to start coroutine */ |
1473 | next->flags &= ~CF_NEW; |
1646 | next->flags &= ~CF_NEW; |
1474 | /* setup coroutine call */ |
1647 | /* setup coroutine call */ |
1475 | coro_setup (aTHX_ next); |
1648 | init_perl (aTHX_ next); |
1476 | } |
1649 | } |
1477 | else |
1650 | else |
1478 | load_perl (aTHX_ next); |
1651 | load_perl (aTHX_ next); |
1479 | |
1652 | |
1480 | /* possibly untie and reuse the cctx */ |
1653 | /* possibly untie and reuse the cctx */ |
1481 | if (expect_true ( |
1654 | if (ecb_expect_true ( |
1482 | cctx_current->idle_sp == STACKLEVEL |
1655 | cctx_current->idle_sp == STACKLEVEL |
1483 | && !(cctx_current->flags & CC_TRACE) |
1656 | && !(cctx_current->flags & CC_TRACE) |
1484 | && !force_cctx |
1657 | && !force_cctx |
1485 | )) |
1658 | )) |
1486 | { |
1659 | { |
1487 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1660 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1488 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1661 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1489 | |
1662 | |
1490 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1663 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1491 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1664 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1492 | if (expect_false (CCTX_EXPIRED (cctx_current))) |
1665 | if (ecb_expect_false (CCTX_EXPIRED (cctx_current))) |
1493 | if (expect_true (!next->cctx)) |
1666 | if (ecb_expect_true (!next->cctx)) |
1494 | next->cctx = cctx_get (aTHX); |
1667 | next->cctx = cctx_get (aTHX); |
1495 | |
1668 | |
1496 | cctx_put (cctx_current); |
1669 | cctx_put (cctx_current); |
1497 | } |
1670 | } |
1498 | else |
1671 | else |
1499 | prev->cctx = cctx_current; |
1672 | prev->cctx = cctx_current; |
1500 | |
1673 | |
1501 | ++next->usecount; |
1674 | ++next->usecount; |
1502 | |
1675 | |
1503 | cctx_prev = cctx_current; |
1676 | cctx_prev = cctx_current; |
1504 | cctx_current = expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1677 | cctx_current = ecb_expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1505 | |
1678 | |
1506 | next->cctx = 0; |
1679 | next->cctx = 0; |
1507 | |
1680 | |
1508 | if (expect_false (cctx_prev != cctx_current)) |
1681 | if (ecb_expect_false (cctx_prev != cctx_current)) |
1509 | { |
1682 | { |
1510 | cctx_prev->top_env = PL_top_env; |
1683 | cctx_prev->top_env = PL_top_env; |
1511 | PL_top_env = cctx_current->top_env; |
1684 | PL_top_env = cctx_current->top_env; |
1512 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1685 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1513 | } |
1686 | } |
… | |
… | |
1519 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1692 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1520 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1693 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1521 | |
1694 | |
1522 | /** high level stuff ********************************************************/ |
1695 | /** high level stuff ********************************************************/ |
1523 | |
1696 | |
|
|
1697 | /* this function is actually Coro, not Coro::State, but we call it from here */ |
|
|
1698 | /* because it is convenient - but it hasn't been declared yet for that reason */ |
1524 | static int |
1699 | static void |
|
|
1700 | coro_call_on_destroy (pTHX_ struct coro *coro); |
|
|
1701 | |
|
|
1702 | static void |
1525 | coro_state_destroy (pTHX_ struct coro *coro) |
1703 | coro_state_destroy (pTHX_ struct coro *coro) |
1526 | { |
1704 | { |
1527 | if (coro->flags & CF_DESTROYED) |
1705 | if (coro->flags & CF_ZOMBIE) |
1528 | return 0; |
1706 | return; |
1529 | |
1707 | |
1530 | if (coro->on_destroy && !PL_dirty) |
|
|
1531 | coro->on_destroy (aTHX_ coro); |
1708 | slf_destroy (aTHX_ coro); |
1532 | |
1709 | |
1533 | coro->flags |= CF_DESTROYED; |
1710 | coro->flags |= CF_ZOMBIE; |
1534 | |
1711 | |
1535 | if (coro->flags & CF_READY) |
1712 | if (coro->flags & CF_READY) |
1536 | { |
1713 | { |
1537 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1714 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1538 | /* alternative: look through all ready queues and remove the coro */ |
1715 | /* alternative: look through all ready queues and remove the coro */ |
1539 | --coro_nready; |
1716 | --coro_nready; |
1540 | } |
1717 | } |
1541 | else |
1718 | else |
1542 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
1719 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
|
|
1720 | |
|
|
1721 | if (coro->next) coro->next->prev = coro->prev; |
|
|
1722 | if (coro->prev) coro->prev->next = coro->next; |
|
|
1723 | if (coro == coro_first) coro_first = coro->next; |
1543 | |
1724 | |
1544 | if (coro->mainstack |
1725 | if (coro->mainstack |
1545 | && coro->mainstack != main_mainstack |
1726 | && coro->mainstack != main_mainstack |
1546 | && coro->slot |
1727 | && coro->slot |
1547 | && !PL_dirty) |
1728 | && !PL_dirty) |
1548 | coro_destruct_perl (aTHX_ coro); |
1729 | destroy_perl (aTHX_ coro); |
1549 | |
1730 | |
1550 | cctx_destroy (coro->cctx); |
1731 | cctx_destroy (coro->cctx); |
1551 | SvREFCNT_dec (coro->startcv); |
1732 | SvREFCNT_dec (coro->startcv); |
1552 | SvREFCNT_dec (coro->args); |
1733 | SvREFCNT_dec (coro->args); |
|
|
1734 | SvREFCNT_dec (coro->swap_sv); |
1553 | SvREFCNT_dec (CORO_THROW); |
1735 | SvREFCNT_dec (CORO_THROW); |
1554 | |
1736 | |
1555 | if (coro->next) coro->next->prev = coro->prev; |
1737 | coro_call_on_destroy (aTHX_ coro); |
1556 | if (coro->prev) coro->prev->next = coro->next; |
|
|
1557 | if (coro == coro_first) coro_first = coro->next; |
|
|
1558 | |
1738 | |
1559 | return 1; |
1739 | /* more destruction mayhem in coro_state_free */ |
1560 | } |
1740 | } |
1561 | |
1741 | |
1562 | static int |
1742 | static int |
1563 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1743 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1564 | { |
1744 | { |
1565 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1745 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1566 | mg->mg_ptr = 0; |
1746 | mg->mg_ptr = 0; |
1567 | |
1747 | |
1568 | coro->hv = 0; |
|
|
1569 | |
|
|
1570 | if (--coro->refcnt < 0) |
|
|
1571 | { |
|
|
1572 | coro_state_destroy (aTHX_ coro); |
1748 | coro_state_destroy (aTHX_ coro); |
|
|
1749 | SvREFCNT_dec (coro->on_destroy); |
|
|
1750 | SvREFCNT_dec (coro->status); |
|
|
1751 | |
1573 | Safefree (coro); |
1752 | Safefree (coro); |
1574 | } |
|
|
1575 | |
1753 | |
1576 | return 0; |
1754 | return 0; |
1577 | } |
1755 | } |
1578 | |
1756 | |
1579 | static int |
1757 | static int ecb_cold |
1580 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1758 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1581 | { |
1759 | { |
1582 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1760 | /* called when perl clones the current process the slow way (windows process emulation) */ |
1583 | |
1761 | /* WE SIMply nuke the pointers in the copy, causing perl to croak */ |
1584 | ++coro->refcnt; |
1762 | mg->mg_ptr = 0; |
|
|
1763 | mg->mg_virtual = 0; |
1585 | |
1764 | |
1586 | return 0; |
1765 | return 0; |
1587 | } |
1766 | } |
1588 | |
1767 | |
1589 | static MGVTBL coro_state_vtbl = { |
1768 | static MGVTBL coro_state_vtbl = { |
… | |
… | |
1612 | |
1791 | |
1613 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1792 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1614 | TRANSFER (ta, 1); |
1793 | TRANSFER (ta, 1); |
1615 | } |
1794 | } |
1616 | |
1795 | |
1617 | /*****************************************************************************/ |
|
|
1618 | /* gensub: simple closure generation utility */ |
|
|
1619 | |
|
|
1620 | #define GENSUB_ARG CvXSUBANY (cv).any_ptr |
|
|
1621 | |
|
|
1622 | /* create a closure from XS, returns a code reference */ |
|
|
1623 | /* the arg can be accessed via GENSUB_ARG from the callback */ |
|
|
1624 | /* the callback must use dXSARGS/XSRETURN */ |
|
|
1625 | static SV * |
|
|
1626 | gensub (pTHX_ void (*xsub)(pTHX_ CV *), void *arg) |
|
|
1627 | { |
|
|
1628 | CV *cv = (CV *)newSV (0); |
|
|
1629 | |
|
|
1630 | sv_upgrade ((SV *)cv, SVt_PVCV); |
|
|
1631 | |
|
|
1632 | CvANON_on (cv); |
|
|
1633 | CvISXSUB_on (cv); |
|
|
1634 | CvXSUB (cv) = xsub; |
|
|
1635 | GENSUB_ARG = arg; |
|
|
1636 | |
|
|
1637 | return newRV_noinc ((SV *)cv); |
|
|
1638 | } |
|
|
1639 | |
|
|
1640 | /** Coro ********************************************************************/ |
1796 | /** Coro ********************************************************************/ |
1641 | |
1797 | |
1642 | INLINE void |
1798 | ecb_inline void |
1643 | coro_enq (pTHX_ struct coro *coro) |
1799 | coro_enq (pTHX_ struct coro *coro) |
1644 | { |
1800 | { |
1645 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1801 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1646 | |
1802 | |
1647 | SvREFCNT_inc_NN (coro->hv); |
1803 | SvREFCNT_inc_NN (coro->hv); |
… | |
… | |
1649 | coro->next_ready = 0; |
1805 | coro->next_ready = 0; |
1650 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
1806 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
1651 | ready [1] = coro; |
1807 | ready [1] = coro; |
1652 | } |
1808 | } |
1653 | |
1809 | |
1654 | INLINE struct coro * |
1810 | ecb_inline struct coro * |
1655 | coro_deq (pTHX) |
1811 | coro_deq (pTHX) |
1656 | { |
1812 | { |
1657 | int prio; |
1813 | int prio; |
1658 | |
1814 | |
1659 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
1815 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
… | |
… | |
1669 | } |
1825 | } |
1670 | |
1826 | |
1671 | return 0; |
1827 | return 0; |
1672 | } |
1828 | } |
1673 | |
1829 | |
|
|
1830 | static void |
|
|
1831 | invoke_sv_ready_hook_helper (void) |
|
|
1832 | { |
|
|
1833 | dTHX; |
|
|
1834 | dSP; |
|
|
1835 | |
|
|
1836 | ENTER; |
|
|
1837 | SAVETMPS; |
|
|
1838 | |
|
|
1839 | PUSHMARK (SP); |
|
|
1840 | PUTBACK; |
|
|
1841 | call_sv (coro_readyhook, G_VOID | G_DISCARD); |
|
|
1842 | |
|
|
1843 | FREETMPS; |
|
|
1844 | LEAVE; |
|
|
1845 | } |
|
|
1846 | |
1674 | static int |
1847 | static int |
1675 | api_ready (pTHX_ SV *coro_sv) |
1848 | api_ready (pTHX_ SV *coro_sv) |
1676 | { |
1849 | { |
1677 | struct coro *coro; |
|
|
1678 | SV *sv_hook; |
|
|
1679 | void (*xs_hook)(void); |
|
|
1680 | |
|
|
1681 | coro = SvSTATE (coro_sv); |
1850 | struct coro *coro = SvSTATE (coro_sv); |
1682 | |
1851 | |
1683 | if (coro->flags & CF_READY) |
1852 | if (coro->flags & CF_READY) |
1684 | return 0; |
1853 | return 0; |
1685 | |
1854 | |
1686 | coro->flags |= CF_READY; |
1855 | coro->flags |= CF_READY; |
1687 | |
1856 | |
1688 | sv_hook = coro_nready ? 0 : coro_readyhook; |
|
|
1689 | xs_hook = coro_nready ? 0 : coroapi.readyhook; |
|
|
1690 | |
|
|
1691 | coro_enq (aTHX_ coro); |
1857 | coro_enq (aTHX_ coro); |
1692 | ++coro_nready; |
|
|
1693 | |
1858 | |
1694 | if (sv_hook) |
1859 | if (!coro_nready++) |
1695 | { |
1860 | if (coroapi.readyhook) |
1696 | dSP; |
1861 | coroapi.readyhook (); |
1697 | |
|
|
1698 | ENTER; |
|
|
1699 | SAVETMPS; |
|
|
1700 | |
|
|
1701 | PUSHMARK (SP); |
|
|
1702 | PUTBACK; |
|
|
1703 | call_sv (sv_hook, G_VOID | G_DISCARD); |
|
|
1704 | |
|
|
1705 | FREETMPS; |
|
|
1706 | LEAVE; |
|
|
1707 | } |
|
|
1708 | |
|
|
1709 | if (xs_hook) |
|
|
1710 | xs_hook (); |
|
|
1711 | |
1862 | |
1712 | return 1; |
1863 | return 1; |
1713 | } |
1864 | } |
1714 | |
1865 | |
1715 | static int |
1866 | static int |
… | |
… | |
1717 | { |
1868 | { |
1718 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1869 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1719 | } |
1870 | } |
1720 | |
1871 | |
1721 | /* expects to own a reference to next->hv */ |
1872 | /* expects to own a reference to next->hv */ |
1722 | INLINE void |
1873 | ecb_inline void |
1723 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1874 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1724 | { |
1875 | { |
1725 | SV *prev_sv = SvRV (coro_current); |
1876 | SV *prev_sv = SvRV (coro_current); |
1726 | |
1877 | |
1727 | ta->prev = SvSTATE_hv (prev_sv); |
1878 | ta->prev = SvSTATE_hv (prev_sv); |
… | |
… | |
1740 | { |
1891 | { |
1741 | for (;;) |
1892 | for (;;) |
1742 | { |
1893 | { |
1743 | struct coro *next = coro_deq (aTHX); |
1894 | struct coro *next = coro_deq (aTHX); |
1744 | |
1895 | |
1745 | if (expect_true (next)) |
1896 | if (ecb_expect_true (next)) |
1746 | { |
1897 | { |
1747 | /* cannot transfer to destroyed coros, skip and look for next */ |
1898 | /* cannot transfer to destroyed coros, skip and look for next */ |
1748 | if (expect_false (next->flags & (CF_DESTROYED | CF_SUSPENDED))) |
1899 | if (ecb_expect_false (next->flags & (CF_ZOMBIE | CF_SUSPENDED))) |
1749 | SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ |
1900 | SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ |
1750 | else |
1901 | else |
1751 | { |
1902 | { |
1752 | next->flags &= ~CF_READY; |
1903 | next->flags &= ~CF_READY; |
1753 | --coro_nready; |
1904 | --coro_nready; |
… | |
… | |
1760 | { |
1911 | { |
1761 | /* nothing to schedule: call the idle handler */ |
1912 | /* nothing to schedule: call the idle handler */ |
1762 | if (SvROK (sv_idle) |
1913 | if (SvROK (sv_idle) |
1763 | && SvOBJECT (SvRV (sv_idle))) |
1914 | && SvOBJECT (SvRV (sv_idle))) |
1764 | { |
1915 | { |
|
|
1916 | if (SvRV (sv_idle) == SvRV (coro_current)) |
|
|
1917 | croak ("FATAL: $Coro::IDLE blocked itself - did you try to block inside an event loop callback? Caught"); |
|
|
1918 | |
1765 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
1919 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
1766 | api_ready (aTHX_ SvRV (sv_idle)); |
1920 | api_ready (aTHX_ SvRV (sv_idle)); |
1767 | --coro_nready; |
1921 | --coro_nready; |
1768 | } |
1922 | } |
1769 | else |
1923 | else |
1770 | { |
1924 | { |
|
|
1925 | /* TODO: deprecated, remove, cannot work reliably *//*D*/ |
1771 | dSP; |
1926 | dSP; |
1772 | |
1927 | |
1773 | ENTER; |
1928 | ENTER; |
1774 | SAVETMPS; |
1929 | SAVETMPS; |
1775 | |
1930 | |
… | |
… | |
1782 | } |
1937 | } |
1783 | } |
1938 | } |
1784 | } |
1939 | } |
1785 | } |
1940 | } |
1786 | |
1941 | |
1787 | INLINE void |
1942 | ecb_inline void |
1788 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1943 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1789 | { |
1944 | { |
1790 | api_ready (aTHX_ coro_current); |
1945 | api_ready (aTHX_ coro_current); |
1791 | prepare_schedule (aTHX_ ta); |
1946 | prepare_schedule (aTHX_ ta); |
1792 | } |
1947 | } |
1793 | |
1948 | |
1794 | INLINE void |
1949 | ecb_inline void |
1795 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
1950 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
1796 | { |
1951 | { |
1797 | SV *prev = SvRV (coro_current); |
1952 | SV *prev = SvRV (coro_current); |
1798 | |
1953 | |
1799 | if (coro_nready) |
1954 | if (coro_nready) |
… | |
… | |
1829 | { |
1984 | { |
1830 | struct coro_transfer_args ta; |
1985 | struct coro_transfer_args ta; |
1831 | |
1986 | |
1832 | prepare_cede (aTHX_ &ta); |
1987 | prepare_cede (aTHX_ &ta); |
1833 | |
1988 | |
1834 | if (expect_true (ta.prev != ta.next)) |
1989 | if (ecb_expect_true (ta.prev != ta.next)) |
1835 | { |
1990 | { |
1836 | TRANSFER (ta, 1); |
1991 | TRANSFER (ta, 1); |
1837 | return 1; |
1992 | return 1; |
1838 | } |
1993 | } |
1839 | else |
1994 | else |
… | |
… | |
1882 | coro->slot->runops = RUNOPS_DEFAULT; |
2037 | coro->slot->runops = RUNOPS_DEFAULT; |
1883 | } |
2038 | } |
1884 | } |
2039 | } |
1885 | |
2040 | |
1886 | static void |
2041 | static void |
|
|
2042 | coro_push_av (pTHX_ AV *av, I32 gimme_v) |
|
|
2043 | { |
|
|
2044 | if (AvFILLp (av) >= 0 && gimme_v != G_VOID) |
|
|
2045 | { |
|
|
2046 | dSP; |
|
|
2047 | |
|
|
2048 | if (gimme_v == G_SCALAR) |
|
|
2049 | XPUSHs (AvARRAY (av)[AvFILLp (av)]); |
|
|
2050 | else |
|
|
2051 | { |
|
|
2052 | int i; |
|
|
2053 | EXTEND (SP, AvFILLp (av) + 1); |
|
|
2054 | |
|
|
2055 | for (i = 0; i <= AvFILLp (av); ++i) |
|
|
2056 | PUSHs (AvARRAY (av)[i]); |
|
|
2057 | } |
|
|
2058 | |
|
|
2059 | PUTBACK; |
|
|
2060 | } |
|
|
2061 | } |
|
|
2062 | |
|
|
2063 | static void |
|
|
2064 | coro_push_on_destroy (pTHX_ struct coro *coro, SV *cb) |
|
|
2065 | { |
|
|
2066 | if (!coro->on_destroy) |
|
|
2067 | coro->on_destroy = newAV (); |
|
|
2068 | |
|
|
2069 | av_push (coro->on_destroy, cb); |
|
|
2070 | } |
|
|
2071 | |
|
|
2072 | static void |
|
|
2073 | slf_destroy_join (pTHX_ struct CoroSLF *frame) |
|
|
2074 | { |
|
|
2075 | SvREFCNT_dec ((SV *)((struct coro *)frame->data)->hv); |
|
|
2076 | } |
|
|
2077 | |
|
|
2078 | static int |
|
|
2079 | slf_check_join (pTHX_ struct CoroSLF *frame) |
|
|
2080 | { |
|
|
2081 | struct coro *coro = (struct coro *)frame->data; |
|
|
2082 | |
|
|
2083 | if (!coro->status) |
|
|
2084 | return 1; |
|
|
2085 | |
|
|
2086 | frame->destroy = 0; |
|
|
2087 | |
|
|
2088 | coro_push_av (aTHX_ coro->status, GIMME_V); |
|
|
2089 | |
|
|
2090 | SvREFCNT_dec ((SV *)coro->hv); |
|
|
2091 | |
|
|
2092 | return 0; |
|
|
2093 | } |
|
|
2094 | |
|
|
2095 | static void |
|
|
2096 | slf_init_join (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2097 | { |
|
|
2098 | struct coro *coro = SvSTATE (items > 0 ? arg [0] : &PL_sv_undef); |
|
|
2099 | |
|
|
2100 | if (items > 1) |
|
|
2101 | croak ("join called with too many arguments"); |
|
|
2102 | |
|
|
2103 | if (coro->status) |
|
|
2104 | frame->prepare = prepare_nop; |
|
|
2105 | else |
|
|
2106 | { |
|
|
2107 | coro_push_on_destroy (aTHX_ coro, SvREFCNT_inc_NN (SvRV (coro_current))); |
|
|
2108 | frame->prepare = prepare_schedule; |
|
|
2109 | } |
|
|
2110 | |
|
|
2111 | frame->check = slf_check_join; |
|
|
2112 | frame->destroy = slf_destroy_join; |
|
|
2113 | frame->data = (void *)coro; |
|
|
2114 | SvREFCNT_inc (coro->hv); |
|
|
2115 | } |
|
|
2116 | |
|
|
2117 | static void |
1887 | coro_call_on_destroy (pTHX_ struct coro *coro) |
2118 | coro_call_on_destroy (pTHX_ struct coro *coro) |
1888 | { |
2119 | { |
1889 | SV **on_destroyp = hv_fetch (coro->hv, "_on_destroy", sizeof ("_on_destroy") - 1, 0); |
2120 | AV *od = coro->on_destroy; |
1890 | SV **statusp = hv_fetch (coro->hv, "_status", sizeof ("_status") - 1, 0); |
|
|
1891 | |
2121 | |
1892 | if (on_destroyp) |
2122 | if (!od) |
1893 | { |
2123 | return; |
1894 | AV *on_destroy = (AV *)SvRV (*on_destroyp); |
|
|
1895 | |
2124 | |
|
|
2125 | coro->on_destroy = 0; |
|
|
2126 | sv_2mortal ((SV *)od); |
|
|
2127 | |
1896 | while (AvFILLp (on_destroy) >= 0) |
2128 | while (AvFILLp (od) >= 0) |
|
|
2129 | { |
|
|
2130 | SV *cb = sv_2mortal (av_pop (od)); |
|
|
2131 | |
|
|
2132 | /* coro hv's (and only hv's at the moment) are supported as well */ |
|
|
2133 | if (SvSTATEhv_p (aTHX_ cb)) |
|
|
2134 | api_ready (aTHX_ cb); |
|
|
2135 | else |
1897 | { |
2136 | { |
1898 | dSP; /* don't disturb outer sp */ |
2137 | dSP; /* don't disturb outer sp */ |
1899 | SV *cb = av_pop (on_destroy); |
|
|
1900 | |
|
|
1901 | PUSHMARK (SP); |
2138 | PUSHMARK (SP); |
1902 | |
2139 | |
1903 | if (statusp) |
2140 | if (coro->status) |
1904 | { |
2141 | { |
1905 | int i; |
2142 | PUTBACK; |
1906 | AV *status = (AV *)SvRV (*statusp); |
2143 | coro_push_av (aTHX_ coro->status, G_ARRAY); |
1907 | EXTEND (SP, AvFILLp (status) + 1); |
2144 | SPAGAIN; |
1908 | |
|
|
1909 | for (i = 0; i <= AvFILLp (status); ++i) |
|
|
1910 | PUSHs (AvARRAY (status)[i]); |
|
|
1911 | } |
2145 | } |
1912 | |
2146 | |
1913 | PUTBACK; |
2147 | PUTBACK; |
1914 | call_sv (sv_2mortal (cb), G_VOID | G_DISCARD); |
2148 | call_sv (cb, G_VOID | G_DISCARD); |
1915 | } |
2149 | } |
1916 | } |
2150 | } |
1917 | } |
2151 | } |
1918 | |
2152 | |
1919 | static void |
2153 | static void |
1920 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2154 | coro_set_status (pTHX_ struct coro *coro, SV **arg, int items) |
1921 | { |
2155 | { |
|
|
2156 | AV *av; |
|
|
2157 | |
|
|
2158 | if (coro->status) |
|
|
2159 | { |
|
|
2160 | av = coro->status; |
|
|
2161 | av_clear (av); |
|
|
2162 | } |
|
|
2163 | else |
|
|
2164 | av = coro->status = newAV (); |
|
|
2165 | |
|
|
2166 | /* items are actually not so common, so optimise for this case */ |
|
|
2167 | if (items) |
|
|
2168 | { |
1922 | int i; |
2169 | int i; |
1923 | HV *hv = (HV *)SvRV (coro_current); |
|
|
1924 | AV *av = newAV (); |
|
|
1925 | |
2170 | |
1926 | av_extend (av, items - 1); |
2171 | av_extend (av, items - 1); |
|
|
2172 | |
1927 | for (i = 0; i < items; ++i) |
2173 | for (i = 0; i < items; ++i) |
1928 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
2174 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
|
|
2175 | } |
|
|
2176 | } |
1929 | |
2177 | |
1930 | hv_store (hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0); |
2178 | static void |
1931 | |
2179 | slf_init_terminate_cancel_common (pTHX_ struct CoroSLF *frame, HV *coro_hv) |
|
|
2180 | { |
1932 | av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */ |
2181 | av_push (av_destroy, (SV *)newRV_inc ((SV *)coro_hv)); /* RVinc for perl */ |
1933 | api_ready (aTHX_ sv_manager); |
2182 | api_ready (aTHX_ sv_manager); |
1934 | |
2183 | |
1935 | frame->prepare = prepare_schedule; |
2184 | frame->prepare = prepare_schedule; |
1936 | frame->check = slf_check_repeat; |
2185 | frame->check = slf_check_repeat; |
1937 | |
2186 | |
1938 | /* as a minor optimisation, we could unwind all stacks here */ |
2187 | /* as a minor optimisation, we could unwind all stacks here */ |
1939 | /* but that puts extra pressure on pp_slf, and is not worth much */ |
2188 | /* but that puts extra pressure on pp_slf, and is not worth much */ |
1940 | /*coro_unwind_stacks (aTHX);*/ |
2189 | /*coro_unwind_stacks (aTHX);*/ |
|
|
2190 | } |
|
|
2191 | |
|
|
2192 | static void |
|
|
2193 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2194 | { |
|
|
2195 | HV *coro_hv = (HV *)SvRV (coro_current); |
|
|
2196 | |
|
|
2197 | coro_set_status (aTHX_ SvSTATE ((SV *)coro_hv), arg, items); |
|
|
2198 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
|
|
2199 | } |
|
|
2200 | |
|
|
2201 | static void |
|
|
2202 | slf_init_cancel (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2203 | { |
|
|
2204 | HV *coro_hv; |
|
|
2205 | struct coro *coro; |
|
|
2206 | |
|
|
2207 | if (items <= 0) |
|
|
2208 | croak ("Coro::cancel called without coro object,"); |
|
|
2209 | |
|
|
2210 | coro = SvSTATE (arg [0]); |
|
|
2211 | coro_hv = coro->hv; |
|
|
2212 | |
|
|
2213 | coro_set_status (aTHX_ coro, arg + 1, items - 1); |
|
|
2214 | |
|
|
2215 | if (ecb_expect_false (coro->flags & CF_NOCANCEL)) |
|
|
2216 | { |
|
|
2217 | /* coro currently busy cancelling something, so just notify it */ |
|
|
2218 | coro->slf_frame.data = (void *)coro; |
|
|
2219 | |
|
|
2220 | frame->prepare = prepare_nop; |
|
|
2221 | frame->check = slf_check_nop; |
|
|
2222 | } |
|
|
2223 | else if (coro_hv == (HV *)SvRV (coro_current)) |
|
|
2224 | { |
|
|
2225 | /* cancelling the current coro is allowed, and equals terminate */ |
|
|
2226 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
|
|
2227 | } |
|
|
2228 | else |
|
|
2229 | { |
|
|
2230 | struct coro *self = SvSTATE_current; |
|
|
2231 | |
|
|
2232 | /* otherwise we cancel directly, purely for speed reasons |
|
|
2233 | * unfortunately, this requires some magic trickery, as |
|
|
2234 | * somebody else could cancel us, so we have to fight the cancellation. |
|
|
2235 | * this is ugly, and hopefully fully worth the extra speed. |
|
|
2236 | * besides, I can't get the slow-but-safe version working... |
|
|
2237 | */ |
|
|
2238 | slf_frame.data = 0; |
|
|
2239 | self->flags |= CF_NOCANCEL; |
|
|
2240 | coro_state_destroy (aTHX_ coro); |
|
|
2241 | self->flags &= ~CF_NOCANCEL; |
|
|
2242 | |
|
|
2243 | if (slf_frame.data) |
|
|
2244 | { |
|
|
2245 | /* while we were busy we have been cancelled, so terminate */ |
|
|
2246 | slf_init_terminate_cancel_common (aTHX_ frame, self->hv); |
|
|
2247 | } |
|
|
2248 | else |
|
|
2249 | { |
|
|
2250 | frame->prepare = prepare_nop; |
|
|
2251 | frame->check = slf_check_nop; |
|
|
2252 | } |
|
|
2253 | } |
|
|
2254 | } |
|
|
2255 | |
|
|
2256 | static int |
|
|
2257 | slf_check_safe_cancel (pTHX_ struct CoroSLF *frame) |
|
|
2258 | { |
|
|
2259 | frame->prepare = 0; |
|
|
2260 | coro_unwind_stacks (aTHX); |
|
|
2261 | |
|
|
2262 | slf_init_terminate_cancel_common (aTHX_ frame, (HV *)SvRV (coro_current)); |
|
|
2263 | |
|
|
2264 | return 1; |
|
|
2265 | } |
|
|
2266 | |
|
|
2267 | static int |
|
|
2268 | safe_cancel (pTHX_ struct coro *coro, SV **arg, int items) |
|
|
2269 | { |
|
|
2270 | if (coro->cctx) |
|
|
2271 | croak ("coro inside C callback, unable to cancel at this time, caught"); |
|
|
2272 | |
|
|
2273 | if (coro->flags & CF_NEW) |
|
|
2274 | { |
|
|
2275 | coro_set_status (aTHX_ coro, arg, items); |
|
|
2276 | coro_state_destroy (aTHX_ coro); |
|
|
2277 | } |
|
|
2278 | else |
|
|
2279 | { |
|
|
2280 | if (!coro->slf_frame.prepare) |
|
|
2281 | croak ("coro outside an SLF function, unable to cancel at this time, caught"); |
|
|
2282 | |
|
|
2283 | slf_destroy (aTHX_ coro); |
|
|
2284 | |
|
|
2285 | coro_set_status (aTHX_ coro, arg, items); |
|
|
2286 | coro->slf_frame.prepare = prepare_nop; |
|
|
2287 | coro->slf_frame.check = slf_check_safe_cancel; |
|
|
2288 | |
|
|
2289 | api_ready (aTHX_ (SV *)coro->hv); |
|
|
2290 | } |
|
|
2291 | |
|
|
2292 | return 1; |
1941 | } |
2293 | } |
1942 | |
2294 | |
1943 | /*****************************************************************************/ |
2295 | /*****************************************************************************/ |
1944 | /* async pool handler */ |
2296 | /* async pool handler */ |
1945 | |
2297 | |
… | |
… | |
1976 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2328 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
1977 | { |
2329 | { |
1978 | HV *hv = (HV *)SvRV (coro_current); |
2330 | HV *hv = (HV *)SvRV (coro_current); |
1979 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
2331 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
1980 | |
2332 | |
1981 | if (expect_true (coro->saved_deffh)) |
2333 | if (ecb_expect_true (coro->saved_deffh)) |
1982 | { |
2334 | { |
1983 | /* subsequent iteration */ |
2335 | /* subsequent iteration */ |
1984 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
2336 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
1985 | coro->saved_deffh = 0; |
2337 | coro->saved_deffh = 0; |
1986 | |
2338 | |
1987 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
2339 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
1988 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
2340 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
1989 | { |
2341 | { |
1990 | coro->invoke_cb = SvREFCNT_inc_NN ((SV *)cv_coro_terminate); |
2342 | slf_init_terminate_cancel_common (aTHX_ frame, hv); |
1991 | coro->invoke_av = newAV (); |
2343 | return; |
1992 | |
|
|
1993 | frame->prepare = prepare_nop; |
|
|
1994 | } |
2344 | } |
1995 | else |
2345 | else |
1996 | { |
2346 | { |
1997 | av_clear (GvAV (PL_defgv)); |
2347 | av_clear (GvAV (PL_defgv)); |
1998 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
2348 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
… | |
… | |
2023 | |
2373 | |
2024 | static void |
2374 | static void |
2025 | coro_rouse_callback (pTHX_ CV *cv) |
2375 | coro_rouse_callback (pTHX_ CV *cv) |
2026 | { |
2376 | { |
2027 | dXSARGS; |
2377 | dXSARGS; |
2028 | SV *data = (SV *)GENSUB_ARG; |
2378 | SV *data = (SV *)S_GENSUB_ARG; |
2029 | |
2379 | |
2030 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2380 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2031 | { |
2381 | { |
2032 | /* first call, set args */ |
2382 | /* first call, set args */ |
2033 | SV *coro = SvRV (data); |
2383 | SV *coro = SvRV (data); |
… | |
… | |
2048 | |
2398 | |
2049 | static int |
2399 | static int |
2050 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
2400 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
2051 | { |
2401 | { |
2052 | SV *data = (SV *)frame->data; |
2402 | SV *data = (SV *)frame->data; |
2053 | |
2403 | |
2054 | if (CORO_THROW) |
2404 | if (CORO_THROW) |
2055 | return 0; |
2405 | return 0; |
2056 | |
2406 | |
2057 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2407 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2058 | return 1; |
2408 | return 1; |
… | |
… | |
2094 | cb = sv_2mortal (coro->rouse_cb); |
2444 | cb = sv_2mortal (coro->rouse_cb); |
2095 | coro->rouse_cb = 0; |
2445 | coro->rouse_cb = 0; |
2096 | } |
2446 | } |
2097 | |
2447 | |
2098 | if (!SvROK (cb) |
2448 | if (!SvROK (cb) |
2099 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2449 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2100 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2450 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2101 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2451 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2102 | |
2452 | |
2103 | { |
2453 | { |
2104 | CV *cv = (CV *)SvRV (cb); /* for GENSUB_ARG */ |
2454 | CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ |
2105 | SV *data = (SV *)GENSUB_ARG; |
2455 | SV *data = (SV *)S_GENSUB_ARG; |
2106 | |
2456 | |
2107 | frame->data = (void *)data; |
2457 | frame->data = (void *)data; |
2108 | frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule; |
2458 | frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule; |
2109 | frame->check = slf_check_rouse_wait; |
2459 | frame->check = slf_check_rouse_wait; |
2110 | } |
2460 | } |
… | |
… | |
2114 | coro_new_rouse_cb (pTHX) |
2464 | coro_new_rouse_cb (pTHX) |
2115 | { |
2465 | { |
2116 | HV *hv = (HV *)SvRV (coro_current); |
2466 | HV *hv = (HV *)SvRV (coro_current); |
2117 | struct coro *coro = SvSTATE_hv (hv); |
2467 | struct coro *coro = SvSTATE_hv (hv); |
2118 | SV *data = newRV_inc ((SV *)hv); |
2468 | SV *data = newRV_inc ((SV *)hv); |
2119 | SV *cb = gensub (aTHX_ coro_rouse_callback, (void *)data); |
2469 | SV *cb = s_gensub (aTHX_ coro_rouse_callback, (void *)data); |
2120 | |
2470 | |
2121 | sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0); |
2471 | sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0); |
2122 | SvREFCNT_dec (data); /* magicext increases the refcount */ |
2472 | SvREFCNT_dec (data); /* magicext increases the refcount */ |
2123 | |
2473 | |
2124 | SvREFCNT_dec (coro->rouse_cb); |
2474 | SvREFCNT_dec (coro->rouse_cb); |
… | |
… | |
2221 | static void |
2571 | static void |
2222 | slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2572 | slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2223 | { |
2573 | { |
2224 | frame->prepare = prepare_cede_notself; |
2574 | frame->prepare = prepare_cede_notself; |
2225 | frame->check = slf_check_nop; |
2575 | frame->check = slf_check_nop; |
|
|
2576 | } |
|
|
2577 | |
|
|
2578 | /* "undo"/cancel a running slf call - used when cancelling a coro, mainly */ |
|
|
2579 | static void |
|
|
2580 | slf_destroy (pTHX_ struct coro *coro) |
|
|
2581 | { |
|
|
2582 | /* this callback is reserved for slf functions needing to do cleanup */ |
|
|
2583 | if (coro->slf_frame.destroy && coro->slf_frame.prepare && !PL_dirty) |
|
|
2584 | coro->slf_frame.destroy (aTHX_ &coro->slf_frame); |
|
|
2585 | |
|
|
2586 | /* |
|
|
2587 | * The on_destroy above most likely is from an SLF call. |
|
|
2588 | * Since by definition the SLF call will not finish when we destroy |
|
|
2589 | * the coro, we will have to force-finish it here, otherwise |
|
|
2590 | * cleanup functions cannot call SLF functions. |
|
|
2591 | */ |
|
|
2592 | coro->slf_frame.prepare = 0; |
2226 | } |
2593 | } |
2227 | |
2594 | |
2228 | /* |
2595 | /* |
2229 | * these not obviously related functions are all rolled into one |
2596 | * these not obviously related functions are all rolled into one |
2230 | * function to increase chances that they all will call transfer with the same |
2597 | * function to increase chances that they all will call transfer with the same |
… | |
… | |
2237 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
2604 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
2238 | |
2605 | |
2239 | /* set up the slf frame, unless it has already been set-up */ |
2606 | /* set up the slf frame, unless it has already been set-up */ |
2240 | /* the latter happens when a new coro has been started */ |
2607 | /* the latter happens when a new coro has been started */ |
2241 | /* or when a new cctx was attached to an existing coroutine */ |
2608 | /* or when a new cctx was attached to an existing coroutine */ |
2242 | if (expect_true (!slf_frame.prepare)) |
2609 | if (ecb_expect_true (!slf_frame.prepare)) |
2243 | { |
2610 | { |
2244 | /* first iteration */ |
2611 | /* first iteration */ |
2245 | dSP; |
2612 | dSP; |
2246 | SV **arg = PL_stack_base + TOPMARK + 1; |
2613 | SV **arg = PL_stack_base + TOPMARK + 1; |
2247 | int items = SP - arg; /* args without function object */ |
2614 | int items = SP - arg; /* args without function object */ |
… | |
… | |
2288 | while (slf_frame.check (aTHX_ &slf_frame)); |
2655 | while (slf_frame.check (aTHX_ &slf_frame)); |
2289 | |
2656 | |
2290 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
2657 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
2291 | |
2658 | |
2292 | /* exception handling */ |
2659 | /* exception handling */ |
2293 | if (expect_false (CORO_THROW)) |
2660 | if (ecb_expect_false (CORO_THROW)) |
2294 | { |
2661 | { |
2295 | SV *exception = sv_2mortal (CORO_THROW); |
2662 | SV *exception = sv_2mortal (CORO_THROW); |
2296 | |
2663 | |
2297 | CORO_THROW = 0; |
2664 | CORO_THROW = 0; |
2298 | sv_setsv (ERRSV, exception); |
2665 | sv_setsv (ERRSV, exception); |
2299 | croak (0); |
2666 | croak (0); |
2300 | } |
2667 | } |
2301 | |
2668 | |
2302 | /* return value handling - mostly like entersub */ |
2669 | /* return value handling - mostly like entersub */ |
2303 | /* make sure we put something on the stack in scalar context */ |
2670 | /* make sure we put something on the stack in scalar context */ |
2304 | if (GIMME_V == G_SCALAR) |
2671 | if (GIMME_V == G_SCALAR |
|
|
2672 | && ecb_expect_false (PL_stack_sp != PL_stack_base + checkmark + 1)) |
2305 | { |
2673 | { |
2306 | dSP; |
2674 | dSP; |
2307 | SV **bot = PL_stack_base + checkmark; |
2675 | SV **bot = PL_stack_base + checkmark; |
2308 | |
2676 | |
2309 | if (sp == bot) /* too few, push undef */ |
2677 | if (sp == bot) /* too few, push undef */ |
2310 | bot [1] = &PL_sv_undef; |
2678 | bot [1] = &PL_sv_undef; |
2311 | else if (sp != bot + 1) /* too many, take last one */ |
2679 | else /* too many, take last one */ |
2312 | bot [1] = *sp; |
2680 | bot [1] = *sp; |
2313 | |
2681 | |
2314 | SP = bot + 1; |
2682 | SP = bot + 1; |
2315 | |
2683 | |
2316 | PUTBACK; |
2684 | PUTBACK; |
… | |
… | |
2349 | if (PL_op->op_flags & OPf_STACKED) |
2717 | if (PL_op->op_flags & OPf_STACKED) |
2350 | { |
2718 | { |
2351 | if (items > slf_arga) |
2719 | if (items > slf_arga) |
2352 | { |
2720 | { |
2353 | slf_arga = items; |
2721 | slf_arga = items; |
2354 | free (slf_argv); |
2722 | Safefree (slf_argv); |
2355 | slf_argv = malloc (slf_arga * sizeof (SV *)); |
2723 | New (0, slf_argv, slf_arga, SV *); |
2356 | } |
2724 | } |
2357 | |
2725 | |
2358 | slf_argc = items; |
2726 | slf_argc = items; |
2359 | |
2727 | |
2360 | for (i = 0; i < items; ++i) |
2728 | for (i = 0; i < items; ++i) |
… | |
… | |
2423 | { |
2791 | { |
2424 | PerlIOBuf base; |
2792 | PerlIOBuf base; |
2425 | NV next, every; |
2793 | NV next, every; |
2426 | } PerlIOCede; |
2794 | } PerlIOCede; |
2427 | |
2795 | |
2428 | static IV |
2796 | static IV ecb_cold |
2429 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
2797 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
2430 | { |
2798 | { |
2431 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2799 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2432 | |
2800 | |
2433 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
2801 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
2434 | self->next = nvtime () + self->every; |
2802 | self->next = nvtime () + self->every; |
2435 | |
2803 | |
2436 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
2804 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
2437 | } |
2805 | } |
2438 | |
2806 | |
2439 | static SV * |
2807 | static SV * ecb_cold |
2440 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
2808 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
2441 | { |
2809 | { |
2442 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2810 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2443 | |
2811 | |
2444 | return newSVnv (self->every); |
2812 | return newSVnv (self->every); |
… | |
… | |
2556 | SvREFCNT_dec (cb); |
2924 | SvREFCNT_dec (cb); |
2557 | } |
2925 | } |
2558 | } |
2926 | } |
2559 | |
2927 | |
2560 | static void |
2928 | static void |
2561 | coro_semaphore_on_destroy (pTHX_ struct coro *coro) |
2929 | coro_semaphore_destroy (pTHX_ struct CoroSLF *frame) |
2562 | { |
2930 | { |
2563 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
2931 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
2564 | coro_semaphore_adjust (aTHX_ (AV *)coro->slf_frame.data, 0); |
2932 | coro_semaphore_adjust (aTHX_ (AV *)frame->data, 0); |
2565 | } |
2933 | } |
2566 | |
2934 | |
2567 | static int |
2935 | static int |
2568 | slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire) |
2936 | slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire) |
2569 | { |
2937 | { |
2570 | AV *av = (AV *)frame->data; |
2938 | AV *av = (AV *)frame->data; |
2571 | SV *count_sv = AvARRAY (av)[0]; |
2939 | SV *count_sv = AvARRAY (av)[0]; |
|
|
2940 | SV *coro_hv = SvRV (coro_current); |
2572 | |
2941 | |
2573 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2942 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2574 | if (CORO_THROW) |
2943 | if (CORO_THROW) |
2575 | return 0; |
2944 | return 0; |
2576 | else if (SvIVX (count_sv) > 0) |
2945 | else if (SvIVX (count_sv) > 0) |
2577 | { |
2946 | { |
2578 | SvSTATE_current->on_destroy = 0; |
2947 | frame->destroy = 0; |
2579 | |
2948 | |
2580 | if (acquire) |
2949 | if (acquire) |
2581 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2950 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2582 | else |
2951 | else |
2583 | coro_semaphore_adjust (aTHX_ av, 0); |
2952 | coro_semaphore_adjust (aTHX_ av, 0); |
… | |
… | |
2588 | { |
2957 | { |
2589 | int i; |
2958 | int i; |
2590 | /* if we were woken up but can't down, we look through the whole */ |
2959 | /* if we were woken up but can't down, we look through the whole */ |
2591 | /* waiters list and only add us if we aren't in there already */ |
2960 | /* waiters list and only add us if we aren't in there already */ |
2592 | /* this avoids some degenerate memory usage cases */ |
2961 | /* this avoids some degenerate memory usage cases */ |
2593 | |
2962 | for (i = AvFILLp (av); i > 0; --i) /* i > 0 is not an off-by-one bug */ |
2594 | for (i = 1; i <= AvFILLp (av); ++i) |
|
|
2595 | if (AvARRAY (av)[i] == SvRV (coro_current)) |
2963 | if (AvARRAY (av)[i] == coro_hv) |
2596 | return 1; |
2964 | return 1; |
2597 | |
2965 | |
2598 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2966 | av_push (av, SvREFCNT_inc (coro_hv)); |
2599 | return 1; |
2967 | return 1; |
2600 | } |
2968 | } |
2601 | } |
2969 | } |
2602 | |
2970 | |
2603 | static int |
2971 | static int |
… | |
… | |
2626 | { |
2994 | { |
2627 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2995 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2628 | |
2996 | |
2629 | frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); |
2997 | frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); |
2630 | frame->prepare = prepare_schedule; |
2998 | frame->prepare = prepare_schedule; |
2631 | |
|
|
2632 | /* to avoid race conditions when a woken-up coro gets terminated */ |
2999 | /* to avoid race conditions when a woken-up coro gets terminated */ |
2633 | /* we arrange for a temporary on_destroy that calls adjust (0) */ |
3000 | /* we arrange for a temporary on_destroy that calls adjust (0) */ |
2634 | SvSTATE_current->on_destroy = coro_semaphore_on_destroy; |
3001 | frame->destroy = coro_semaphore_destroy; |
2635 | } |
3002 | } |
2636 | } |
3003 | } |
2637 | |
3004 | |
2638 | static void |
3005 | static void |
2639 | slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
3006 | slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
… | |
… | |
2647 | { |
3014 | { |
2648 | if (items >= 2) |
3015 | if (items >= 2) |
2649 | { |
3016 | { |
2650 | /* callback form */ |
3017 | /* callback form */ |
2651 | AV *av = (AV *)SvRV (arg [0]); |
3018 | AV *av = (AV *)SvRV (arg [0]); |
2652 | CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]); |
3019 | SV *cb_cv = s_get_cv_croak (arg [1]); |
2653 | |
3020 | |
2654 | av_push (av, SvREFCNT_inc_NN (cb_cv)); |
3021 | av_push (av, SvREFCNT_inc_NN (cb_cv)); |
2655 | |
3022 | |
2656 | if (SvIVX (AvARRAY (av)[0]) > 0) |
3023 | if (SvIVX (AvARRAY (av)[0]) > 0) |
2657 | coro_semaphore_adjust (aTHX_ av, 0); |
3024 | coro_semaphore_adjust (aTHX_ av, 0); |
… | |
… | |
2717 | { |
3084 | { |
2718 | AV *av = (AV *)SvRV (arg [0]); |
3085 | AV *av = (AV *)SvRV (arg [0]); |
2719 | |
3086 | |
2720 | if (items >= 2) |
3087 | if (items >= 2) |
2721 | { |
3088 | { |
2722 | CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]); |
3089 | SV *cb_cv = s_get_cv_croak (arg [1]); |
2723 | av_push (av, SvREFCNT_inc_NN (cb_cv)); |
3090 | av_push (av, SvREFCNT_inc_NN (cb_cv)); |
2724 | |
3091 | |
2725 | if (SvIVX (AvARRAY (av)[0])) |
3092 | if (SvIVX (AvARRAY (av)[0])) |
2726 | coro_signal_wake (aTHX_ av, 1); /* ust be the only waiter */ |
3093 | coro_signal_wake (aTHX_ av, 1); /* must be the only waiter */ |
2727 | |
3094 | |
2728 | frame->prepare = prepare_nop; |
3095 | frame->prepare = prepare_nop; |
2729 | frame->check = slf_check_nop; |
3096 | frame->check = slf_check_nop; |
2730 | } |
3097 | } |
2731 | else if (SvIVX (AvARRAY (av)[0])) |
3098 | else if (SvIVX (AvARRAY (av)[0])) |
… | |
… | |
2762 | |
3129 | |
2763 | static void |
3130 | static void |
2764 | coro_aio_callback (pTHX_ CV *cv) |
3131 | coro_aio_callback (pTHX_ CV *cv) |
2765 | { |
3132 | { |
2766 | dXSARGS; |
3133 | dXSARGS; |
2767 | AV *state = (AV *)GENSUB_ARG; |
3134 | AV *state = (AV *)S_GENSUB_ARG; |
2768 | SV *coro = av_pop (state); |
3135 | SV *coro = av_pop (state); |
2769 | SV *data_sv = newSV (sizeof (struct io_state)); |
3136 | SV *data_sv = newSV (sizeof (struct io_state)); |
2770 | |
3137 | |
2771 | av_extend (state, items - 1); |
3138 | av_extend (state, items - 1); |
2772 | |
3139 | |
… | |
… | |
2808 | /* it quickly returns */ |
3175 | /* it quickly returns */ |
2809 | if (CORO_THROW) |
3176 | if (CORO_THROW) |
2810 | return 0; |
3177 | return 0; |
2811 | |
3178 | |
2812 | /* one element that is an RV? repeat! */ |
3179 | /* one element that is an RV? repeat! */ |
2813 | if (AvFILLp (state) == 0 && SvROK (AvARRAY (state)[0])) |
3180 | if (AvFILLp (state) == 0 && SvTYPE (AvARRAY (state)[0]) != SVt_PV) |
2814 | return 1; |
3181 | return 1; |
2815 | |
3182 | |
2816 | /* restore status */ |
3183 | /* restore status */ |
2817 | { |
3184 | { |
2818 | SV *data_sv = av_pop (state); |
3185 | SV *data_sv = av_pop (state); |
… | |
… | |
2857 | dSP; |
3224 | dSP; |
2858 | |
3225 | |
2859 | static SV *prio_cv; |
3226 | static SV *prio_cv; |
2860 | static SV *prio_sv; |
3227 | static SV *prio_sv; |
2861 | |
3228 | |
2862 | if (expect_false (!prio_cv)) |
3229 | if (ecb_expect_false (!prio_cv)) |
2863 | { |
3230 | { |
2864 | prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0); |
3231 | prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0); |
2865 | prio_sv = newSViv (0); |
3232 | prio_sv = newSViv (0); |
2866 | } |
3233 | } |
2867 | |
3234 | |
… | |
… | |
2886 | |
3253 | |
2887 | for (i = 0; i < items; ++i) |
3254 | for (i = 0; i < items; ++i) |
2888 | PUSHs (arg [i]); |
3255 | PUSHs (arg [i]); |
2889 | |
3256 | |
2890 | /* now push the callback closure */ |
3257 | /* now push the callback closure */ |
2891 | PUSHs (sv_2mortal (gensub (aTHX_ coro_aio_callback, (void *)SvREFCNT_inc_NN ((SV *)state)))); |
3258 | PUSHs (sv_2mortal (s_gensub (aTHX_ coro_aio_callback, (void *)SvREFCNT_inc_NN ((SV *)state)))); |
2892 | |
3259 | |
2893 | /* now call the AIO function - we assume our request is uncancelable */ |
3260 | /* now call the AIO function - we assume our request is uncancelable */ |
2894 | PUTBACK; |
3261 | PUTBACK; |
2895 | call_sv ((SV *)req, G_VOID | G_DISCARD); |
3262 | call_sv ((SV *)req, G_VOID | G_DISCARD); |
2896 | } |
3263 | } |
2897 | |
3264 | |
2898 | /* now that the requets is going, we loop toll we have a result */ |
3265 | /* now that the request is going, we loop till we have a result */ |
2899 | frame->data = (void *)state; |
3266 | frame->data = (void *)state; |
2900 | frame->prepare = prepare_schedule; |
3267 | frame->prepare = prepare_schedule; |
2901 | frame->check = slf_check_aio_req; |
3268 | frame->check = slf_check_aio_req; |
2902 | } |
3269 | } |
2903 | |
3270 | |
… | |
… | |
2913 | |
3280 | |
2914 | /*****************************************************************************/ |
3281 | /*****************************************************************************/ |
2915 | |
3282 | |
2916 | #if CORO_CLONE |
3283 | #if CORO_CLONE |
2917 | # include "clone.c" |
3284 | # include "clone.c" |
|
|
3285 | #endif |
|
|
3286 | |
|
|
3287 | /*****************************************************************************/ |
|
|
3288 | |
|
|
3289 | static SV * |
|
|
3290 | coro_new (pTHX_ HV *stash, SV **argv, int argc, int is_coro) |
|
|
3291 | { |
|
|
3292 | SV *coro_sv; |
|
|
3293 | struct coro *coro; |
|
|
3294 | MAGIC *mg; |
|
|
3295 | HV *hv; |
|
|
3296 | SV *cb; |
|
|
3297 | int i; |
|
|
3298 | |
|
|
3299 | if (argc > 0) |
|
|
3300 | { |
|
|
3301 | cb = s_get_cv_croak (argv [0]); |
|
|
3302 | |
|
|
3303 | if (!is_coro) |
|
|
3304 | { |
|
|
3305 | if (CvISXSUB (cb)) |
|
|
3306 | croak ("Coro::State doesn't support XS functions as coroutine start, caught"); |
|
|
3307 | |
|
|
3308 | if (!CvROOT (cb)) |
|
|
3309 | croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught"); |
|
|
3310 | } |
|
|
3311 | } |
|
|
3312 | |
|
|
3313 | Newz (0, coro, 1, struct coro); |
|
|
3314 | coro->args = newAV (); |
|
|
3315 | coro->flags = CF_NEW; |
|
|
3316 | |
|
|
3317 | if (coro_first) coro_first->prev = coro; |
|
|
3318 | coro->next = coro_first; |
|
|
3319 | coro_first = coro; |
|
|
3320 | |
|
|
3321 | coro->hv = hv = newHV (); |
|
|
3322 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
|
|
3323 | mg->mg_flags |= MGf_DUP; |
|
|
3324 | coro_sv = sv_bless (newRV_noinc ((SV *)hv), stash); |
|
|
3325 | |
|
|
3326 | if (argc > 0) |
|
|
3327 | { |
|
|
3328 | av_extend (coro->args, argc + is_coro - 1); |
|
|
3329 | |
|
|
3330 | if (is_coro) |
|
|
3331 | { |
|
|
3332 | av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb)); |
|
|
3333 | cb = (SV *)cv_coro_run; |
|
|
3334 | } |
|
|
3335 | |
|
|
3336 | coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb); |
|
|
3337 | |
|
|
3338 | for (i = 1; i < argc; i++) |
|
|
3339 | av_push (coro->args, newSVsv (argv [i])); |
|
|
3340 | } |
|
|
3341 | |
|
|
3342 | return coro_sv; |
|
|
3343 | } |
|
|
3344 | |
|
|
3345 | #ifndef __cplusplus |
|
|
3346 | ecb_cold XS(boot_Coro__State); |
|
|
3347 | #endif |
|
|
3348 | |
|
|
3349 | #if CORO_JIT |
|
|
3350 | |
|
|
3351 | static void ecb_noinline ecb_cold |
|
|
3352 | pushav_4uv (pTHX_ UV a, UV b, UV c, UV d) |
|
|
3353 | { |
|
|
3354 | dSP; |
|
|
3355 | AV *av = newAV (); |
|
|
3356 | |
|
|
3357 | av_store (av, 3, newSVuv (d)); |
|
|
3358 | av_store (av, 2, newSVuv (c)); |
|
|
3359 | av_store (av, 1, newSVuv (b)); |
|
|
3360 | av_store (av, 0, newSVuv (a)); |
|
|
3361 | |
|
|
3362 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
3363 | |
|
|
3364 | PUTBACK; |
|
|
3365 | } |
|
|
3366 | |
|
|
3367 | static void ecb_noinline ecb_cold |
|
|
3368 | jit_init (pTHX) |
|
|
3369 | { |
|
|
3370 | dSP; |
|
|
3371 | SV *load, *save; |
|
|
3372 | char *map_base; |
|
|
3373 | char *load_ptr, *save_ptr; |
|
|
3374 | STRLEN load_len, save_len, map_len; |
|
|
3375 | int count; |
|
|
3376 | |
|
|
3377 | eval_pv ("require 'Coro/jit-" CORO_JIT_TYPE ".pl'", 1); |
|
|
3378 | |
|
|
3379 | PUSHMARK (SP); |
|
|
3380 | #define VARx(name,expr,type) pushav_4uv (aTHX_ (UV)&(expr), sizeof (expr), offsetof (perl_slots, name), sizeof (type)); |
|
|
3381 | #include "state.h" |
|
|
3382 | count = call_pv ("Coro::State::_jit", G_ARRAY); |
|
|
3383 | SPAGAIN; |
|
|
3384 | |
|
|
3385 | save = POPs; save_ptr = SvPVbyte (save, save_len); |
|
|
3386 | load = POPs; load_ptr = SvPVbyte (load, load_len); |
|
|
3387 | |
|
|
3388 | map_len = load_len + save_len + 16; |
|
|
3389 | |
|
|
3390 | map_base = mmap (0, map_len, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); |
|
|
3391 | |
|
|
3392 | assert (("Coro: unable to mmap jit code page, cannot continue.", map_base != (char *)MAP_FAILED)); |
|
|
3393 | |
|
|
3394 | load_perl_slots = (load_save_perl_slots_type)map_base; |
|
|
3395 | memcpy (map_base, load_ptr, load_len); |
|
|
3396 | |
|
|
3397 | map_base += (load_len + 15) & ~15; |
|
|
3398 | |
|
|
3399 | save_perl_slots = (load_save_perl_slots_type)map_base; |
|
|
3400 | memcpy (map_base, save_ptr, save_len); |
|
|
3401 | |
|
|
3402 | /* we are good citizens and try to make the page read-only, so the evil evil */ |
|
|
3403 | /* hackers might have it a bit more difficult */ |
|
|
3404 | mprotect (map_base, map_len, PROT_READ | PROT_EXEC); |
|
|
3405 | |
|
|
3406 | PUTBACK; |
|
|
3407 | eval_pv ("undef &Coro::State::_jit", 1); |
|
|
3408 | } |
|
|
3409 | |
2918 | #endif |
3410 | #endif |
2919 | |
3411 | |
2920 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
3412 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
2921 | |
3413 | |
2922 | PROTOTYPES: DISABLE |
3414 | PROTOTYPES: DISABLE |
… | |
… | |
2926 | #ifdef USE_ITHREADS |
3418 | #ifdef USE_ITHREADS |
2927 | # if CORO_PTHREAD |
3419 | # if CORO_PTHREAD |
2928 | coro_thx = PERL_GET_CONTEXT; |
3420 | coro_thx = PERL_GET_CONTEXT; |
2929 | # endif |
3421 | # endif |
2930 | #endif |
3422 | #endif |
2931 | BOOT_PAGESIZE; |
3423 | /* perl defines these to check for existance first, but why it doesn't */ |
|
|
3424 | /* just create them one at init time is not clear to me, except for */ |
|
|
3425 | /* programs trying to delete them, but... */ |
|
|
3426 | /* anyway, we declare this as invalid and make sure they are initialised here */ |
|
|
3427 | DEFSV; |
|
|
3428 | ERRSV; |
2932 | |
3429 | |
2933 | cctx_current = cctx_new_empty (); |
3430 | cctx_current = cctx_new_empty (); |
2934 | |
3431 | |
2935 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3432 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
2936 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3433 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
… | |
… | |
2976 | coroapi.prepare_nop = prepare_nop; |
3473 | coroapi.prepare_nop = prepare_nop; |
2977 | coroapi.prepare_schedule = prepare_schedule; |
3474 | coroapi.prepare_schedule = prepare_schedule; |
2978 | coroapi.prepare_cede = prepare_cede; |
3475 | coroapi.prepare_cede = prepare_cede; |
2979 | coroapi.prepare_cede_notself = prepare_cede_notself; |
3476 | coroapi.prepare_cede_notself = prepare_cede_notself; |
2980 | |
3477 | |
2981 | { |
3478 | time_init (aTHX); |
2982 | SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
|
|
2983 | |
|
|
2984 | if (!svp) croak ("Time::HiRes is required"); |
|
|
2985 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer"); |
|
|
2986 | |
|
|
2987 | nvtime = INT2PTR (double (*)(), SvIV (*svp)); |
|
|
2988 | } |
|
|
2989 | |
3479 | |
2990 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
3480 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
|
|
3481 | #if CORO_JIT |
|
|
3482 | PUTBACK; |
|
|
3483 | jit_init (aTHX); |
|
|
3484 | SPAGAIN; |
|
|
3485 | #endif |
2991 | } |
3486 | } |
2992 | |
3487 | |
2993 | SV * |
3488 | SV * |
2994 | new (char *klass, ...) |
3489 | new (SV *klass, ...) |
2995 | ALIAS: |
3490 | ALIAS: |
2996 | Coro::new = 1 |
3491 | Coro::new = 1 |
2997 | CODE: |
3492 | CODE: |
2998 | { |
3493 | RETVAL = coro_new (aTHX_ ix ? coro_stash : coro_state_stash, &ST (1), items - 1, ix); |
2999 | struct coro *coro; |
3494 | OUTPUT: |
3000 | MAGIC *mg; |
|
|
3001 | HV *hv; |
|
|
3002 | CV *cb; |
|
|
3003 | int i; |
|
|
3004 | |
|
|
3005 | if (items > 1) |
|
|
3006 | { |
|
|
3007 | cb = coro_sv_2cv (aTHX_ ST (1)); |
|
|
3008 | |
|
|
3009 | if (!ix) |
|
|
3010 | { |
|
|
3011 | if (CvISXSUB (cb)) |
|
|
3012 | croak ("Coro::State doesn't support XS functions as coroutine start, caught"); |
|
|
3013 | |
|
|
3014 | if (!CvROOT (cb)) |
|
|
3015 | croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught"); |
|
|
3016 | } |
|
|
3017 | } |
|
|
3018 | |
|
|
3019 | Newz (0, coro, 1, struct coro); |
|
|
3020 | coro->args = newAV (); |
|
|
3021 | coro->flags = CF_NEW; |
|
|
3022 | |
|
|
3023 | if (coro_first) coro_first->prev = coro; |
|
|
3024 | coro->next = coro_first; |
|
|
3025 | coro_first = coro; |
|
|
3026 | |
|
|
3027 | coro->hv = hv = newHV (); |
|
|
3028 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
|
|
3029 | mg->mg_flags |= MGf_DUP; |
|
|
3030 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
|
|
3031 | |
|
|
3032 | if (items > 1) |
|
|
3033 | { |
|
|
3034 | av_extend (coro->args, items - 1 + ix - 1); |
|
|
3035 | |
|
|
3036 | if (ix) |
|
|
3037 | { |
|
|
3038 | av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb)); |
|
|
3039 | cb = cv_coro_run; |
|
|
3040 | } |
|
|
3041 | |
|
|
3042 | coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb); |
|
|
3043 | |
|
|
3044 | for (i = 2; i < items; i++) |
|
|
3045 | av_push (coro->args, newSVsv (ST (i))); |
|
|
3046 | } |
|
|
3047 | } |
|
|
3048 | OUTPUT: |
|
|
3049 | RETVAL |
3495 | RETVAL |
3050 | |
3496 | |
3051 | void |
3497 | void |
3052 | transfer (...) |
3498 | transfer (...) |
3053 | PROTOTYPE: $$ |
3499 | PROTOTYPE: $$ |
3054 | CODE: |
3500 | CODE: |
3055 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3501 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3056 | |
|
|
3057 | bool |
|
|
3058 | _destroy (SV *coro_sv) |
|
|
3059 | CODE: |
|
|
3060 | RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv)); |
|
|
3061 | OUTPUT: |
|
|
3062 | RETVAL |
|
|
3063 | |
|
|
3064 | void |
|
|
3065 | _exit (int code) |
|
|
3066 | PROTOTYPE: $ |
|
|
3067 | CODE: |
|
|
3068 | _exit (code); |
|
|
3069 | |
3502 | |
3070 | SV * |
3503 | SV * |
3071 | clone (Coro::State coro) |
3504 | clone (Coro::State coro) |
3072 | CODE: |
3505 | CODE: |
3073 | { |
3506 | { |
… | |
… | |
3128 | void |
3561 | void |
3129 | list () |
3562 | list () |
3130 | PROTOTYPE: |
3563 | PROTOTYPE: |
3131 | PPCODE: |
3564 | PPCODE: |
3132 | { |
3565 | { |
3133 | struct coro *coro; |
3566 | struct coro *coro; |
3134 | for (coro = coro_first; coro; coro = coro->next) |
3567 | for (coro = coro_first; coro; coro = coro->next) |
3135 | if (coro->hv) |
3568 | if (coro->hv) |
3136 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
3569 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
3137 | } |
3570 | } |
3138 | |
3571 | |
… | |
… | |
3143 | CODE: |
3576 | CODE: |
3144 | { |
3577 | { |
3145 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
3578 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
3146 | { |
3579 | { |
3147 | struct coro *current = SvSTATE_current; |
3580 | struct coro *current = SvSTATE_current; |
|
|
3581 | struct CoroSLF slf_save; |
3148 | |
3582 | |
3149 | if (current != coro) |
3583 | if (current != coro) |
3150 | { |
3584 | { |
3151 | PUTBACK; |
3585 | PUTBACK; |
3152 | save_perl (aTHX_ current); |
3586 | save_perl (aTHX_ current); |
3153 | load_perl (aTHX_ coro); |
3587 | load_perl (aTHX_ coro); |
|
|
3588 | /* the coro is most likely in an active SLF call. |
|
|
3589 | * while not strictly required (the code we execute is |
|
|
3590 | * not allowed to call any SLF functions), it's cleaner |
|
|
3591 | * to reinitialise the slf_frame and restore it later. |
|
|
3592 | * This might one day allow us to actually do SLF calls |
|
|
3593 | * from code executed here. |
|
|
3594 | */ |
|
|
3595 | slf_save = slf_frame; |
|
|
3596 | slf_frame.prepare = 0; |
3154 | SPAGAIN; |
3597 | SPAGAIN; |
3155 | } |
3598 | } |
3156 | |
3599 | |
3157 | PUSHSTACK; |
3600 | PUSHSTACK; |
3158 | |
3601 | |
… | |
… | |
3168 | SPAGAIN; |
3611 | SPAGAIN; |
3169 | |
3612 | |
3170 | if (current != coro) |
3613 | if (current != coro) |
3171 | { |
3614 | { |
3172 | PUTBACK; |
3615 | PUTBACK; |
|
|
3616 | slf_frame = slf_save; |
3173 | save_perl (aTHX_ coro); |
3617 | save_perl (aTHX_ coro); |
3174 | load_perl (aTHX_ current); |
3618 | load_perl (aTHX_ current); |
3175 | SPAGAIN; |
3619 | SPAGAIN; |
3176 | } |
3620 | } |
3177 | } |
3621 | } |
… | |
… | |
3182 | PROTOTYPE: $ |
3626 | PROTOTYPE: $ |
3183 | ALIAS: |
3627 | ALIAS: |
3184 | is_ready = CF_READY |
3628 | is_ready = CF_READY |
3185 | is_running = CF_RUNNING |
3629 | is_running = CF_RUNNING |
3186 | is_new = CF_NEW |
3630 | is_new = CF_NEW |
3187 | is_destroyed = CF_DESTROYED |
3631 | is_destroyed = CF_ZOMBIE |
|
|
3632 | is_zombie = CF_ZOMBIE |
3188 | is_suspended = CF_SUSPENDED |
3633 | is_suspended = CF_SUSPENDED |
3189 | CODE: |
3634 | CODE: |
3190 | RETVAL = boolSV (coro->flags & ix); |
3635 | RETVAL = boolSV (coro->flags & ix); |
3191 | OUTPUT: |
3636 | OUTPUT: |
3192 | RETVAL |
3637 | RETVAL |
3193 | |
3638 | |
3194 | void |
3639 | void |
3195 | throw (Coro::State self, SV *throw = &PL_sv_undef) |
3640 | throw (SV *self, SV *exception = &PL_sv_undef) |
3196 | PROTOTYPE: $;$ |
3641 | PROTOTYPE: $;$ |
3197 | CODE: |
3642 | CODE: |
3198 | { |
3643 | { |
|
|
3644 | struct coro *coro = SvSTATE (self); |
3199 | struct coro *current = SvSTATE_current; |
3645 | struct coro *current = SvSTATE_current; |
3200 | SV **throwp = self == current ? &CORO_THROW : &self->except; |
3646 | SV **exceptionp = coro == current ? &CORO_THROW : &coro->except; |
3201 | SvREFCNT_dec (*throwp); |
3647 | SvREFCNT_dec (*exceptionp); |
3202 | SvGETMAGIC (throw); |
3648 | SvGETMAGIC (exception); |
3203 | *throwp = SvOK (throw) ? newSVsv (throw) : 0; |
3649 | *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; |
|
|
3650 | |
|
|
3651 | api_ready (aTHX_ self); |
3204 | } |
3652 | } |
3205 | |
3653 | |
3206 | void |
3654 | void |
3207 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3655 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3208 | PROTOTYPE: $;$ |
3656 | PROTOTYPE: $;$ |
… | |
… | |
3263 | |
3711 | |
3264 | void |
3712 | void |
3265 | cancel (Coro::State self) |
3713 | cancel (Coro::State self) |
3266 | CODE: |
3714 | CODE: |
3267 | coro_state_destroy (aTHX_ self); |
3715 | coro_state_destroy (aTHX_ self); |
3268 | coro_call_on_destroy (aTHX_ self); /* actually only for Coro objects */ |
3716 | |
|
|
3717 | SV * |
|
|
3718 | enable_times (int enabled = enable_times) |
|
|
3719 | CODE: |
|
|
3720 | { |
|
|
3721 | RETVAL = boolSV (enable_times); |
|
|
3722 | |
|
|
3723 | if (enabled != enable_times) |
|
|
3724 | { |
|
|
3725 | enable_times = enabled; |
|
|
3726 | |
|
|
3727 | coro_times_update (); |
|
|
3728 | (enabled ? coro_times_sub : coro_times_add)(SvSTATE (coro_current)); |
|
|
3729 | } |
|
|
3730 | } |
|
|
3731 | OUTPUT: |
|
|
3732 | RETVAL |
|
|
3733 | |
|
|
3734 | void |
|
|
3735 | times (Coro::State self) |
|
|
3736 | PPCODE: |
|
|
3737 | { |
|
|
3738 | struct coro *current = SvSTATE (coro_current); |
|
|
3739 | |
|
|
3740 | if (ecb_expect_false (current == self)) |
|
|
3741 | { |
|
|
3742 | coro_times_update (); |
|
|
3743 | coro_times_add (SvSTATE (coro_current)); |
|
|
3744 | } |
|
|
3745 | |
|
|
3746 | EXTEND (SP, 2); |
|
|
3747 | PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9))); |
|
|
3748 | PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9))); |
|
|
3749 | |
|
|
3750 | if (ecb_expect_false (current == self)) |
|
|
3751 | coro_times_sub (SvSTATE (coro_current)); |
|
|
3752 | } |
|
|
3753 | |
|
|
3754 | void |
|
|
3755 | swap_sv (Coro::State coro, SV *sv, SV *swapsv) |
|
|
3756 | CODE: |
|
|
3757 | { |
|
|
3758 | struct coro *current = SvSTATE_current; |
|
|
3759 | |
|
|
3760 | if (current == coro) |
|
|
3761 | SWAP_SVS (current); |
|
|
3762 | |
|
|
3763 | if (!coro->swap_sv) |
|
|
3764 | coro->swap_sv = newAV (); |
|
|
3765 | |
|
|
3766 | av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (sv ))); |
|
|
3767 | av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (swapsv))); |
|
|
3768 | |
|
|
3769 | if (current == coro) |
|
|
3770 | SWAP_SVS (current); |
|
|
3771 | } |
3269 | |
3772 | |
3270 | |
3773 | |
3271 | MODULE = Coro::State PACKAGE = Coro |
3774 | MODULE = Coro::State PACKAGE = Coro |
3272 | |
3775 | |
3273 | BOOT: |
3776 | BOOT: |
3274 | { |
3777 | { |
3275 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3778 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3276 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3779 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3277 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
3780 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
3278 | cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD); |
|
|
3279 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
3781 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
3280 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
3782 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
3281 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
3783 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
3282 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
3784 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
3283 | sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); |
3785 | sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); |
3284 | |
3786 | |
3285 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3787 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3286 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
3788 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
3287 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
3789 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
3288 | cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new); |
3790 | CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */ |
3289 | |
3791 | |
3290 | coro_stash = gv_stashpv ("Coro", TRUE); |
3792 | coro_stash = gv_stashpv ("Coro", TRUE); |
3291 | |
3793 | |
3292 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
3794 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
3293 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
3795 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
… | |
… | |
3312 | sv_setiv (sv, (IV)&coroapi); |
3814 | sv_setiv (sv, (IV)&coroapi); |
3313 | SvREADONLY_on (sv); |
3815 | SvREADONLY_on (sv); |
3314 | } |
3816 | } |
3315 | } |
3817 | } |
3316 | |
3818 | |
|
|
3819 | SV * |
|
|
3820 | async (...) |
|
|
3821 | PROTOTYPE: &@ |
|
|
3822 | CODE: |
|
|
3823 | RETVAL = coro_new (aTHX_ coro_stash, &ST (0), items, 1); |
|
|
3824 | api_ready (aTHX_ RETVAL); |
|
|
3825 | OUTPUT: |
|
|
3826 | RETVAL |
|
|
3827 | |
|
|
3828 | void |
|
|
3829 | _destroy (Coro::State coro) |
|
|
3830 | CODE: |
|
|
3831 | /* used by the manager thread */ |
|
|
3832 | coro_state_destroy (aTHX_ coro); |
|
|
3833 | |
|
|
3834 | void |
|
|
3835 | on_destroy (Coro::State coro, SV *cb) |
|
|
3836 | CODE: |
|
|
3837 | coro_push_on_destroy (aTHX_ coro, newSVsv (cb)); |
|
|
3838 | |
|
|
3839 | void |
|
|
3840 | join (...) |
|
|
3841 | CODE: |
|
|
3842 | CORO_EXECUTE_SLF_XS (slf_init_join); |
|
|
3843 | |
3317 | void |
3844 | void |
3318 | terminate (...) |
3845 | terminate (...) |
3319 | CODE: |
3846 | CODE: |
3320 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
3847 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
|
|
3848 | |
|
|
3849 | void |
|
|
3850 | cancel (...) |
|
|
3851 | CODE: |
|
|
3852 | CORO_EXECUTE_SLF_XS (slf_init_cancel); |
|
|
3853 | |
|
|
3854 | int |
|
|
3855 | safe_cancel (Coro::State self, ...) |
|
|
3856 | C_ARGS: aTHX_ self, &ST (1), items - 1 |
3321 | |
3857 | |
3322 | void |
3858 | void |
3323 | schedule (...) |
3859 | schedule (...) |
3324 | CODE: |
3860 | CODE: |
3325 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
3861 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
… | |
… | |
3355 | _set_readyhook (SV *hook) |
3891 | _set_readyhook (SV *hook) |
3356 | PROTOTYPE: $ |
3892 | PROTOTYPE: $ |
3357 | CODE: |
3893 | CODE: |
3358 | SvREFCNT_dec (coro_readyhook); |
3894 | SvREFCNT_dec (coro_readyhook); |
3359 | SvGETMAGIC (hook); |
3895 | SvGETMAGIC (hook); |
|
|
3896 | if (SvOK (hook)) |
|
|
3897 | { |
3360 | coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0; |
3898 | coro_readyhook = newSVsv (hook); |
|
|
3899 | CORO_READYHOOK = invoke_sv_ready_hook_helper; |
|
|
3900 | } |
|
|
3901 | else |
|
|
3902 | { |
|
|
3903 | coro_readyhook = 0; |
|
|
3904 | CORO_READYHOOK = 0; |
|
|
3905 | } |
3361 | |
3906 | |
3362 | int |
3907 | int |
3363 | prio (Coro::State coro, int newprio = 0) |
3908 | prio (Coro::State coro, int newprio = 0) |
3364 | PROTOTYPE: $;$ |
3909 | PROTOTYPE: $;$ |
3365 | ALIAS: |
3910 | ALIAS: |
… | |
… | |
3429 | for (i = 1; i < items; ++i) |
3974 | for (i = 1; i < items; ++i) |
3430 | av_push (av, SvREFCNT_inc_NN (ST (i))); |
3975 | av_push (av, SvREFCNT_inc_NN (ST (i))); |
3431 | |
3976 | |
3432 | if ((SV *)hv == &PL_sv_undef) |
3977 | if ((SV *)hv == &PL_sv_undef) |
3433 | { |
3978 | { |
3434 | PUSHMARK (SP); |
3979 | SV *sv = coro_new (aTHX_ coro_stash, (SV **)&cv_pool_handler, 1, 1); |
3435 | EXTEND (SP, 2); |
|
|
3436 | PUSHs (sv_Coro); |
|
|
3437 | PUSHs ((SV *)cv_pool_handler); |
|
|
3438 | PUTBACK; |
|
|
3439 | call_sv ((SV *)cv_coro_state_new, G_SCALAR); |
|
|
3440 | SPAGAIN; |
|
|
3441 | |
|
|
3442 | hv = (HV *)SvREFCNT_inc_NN (SvRV (POPs)); |
3980 | hv = (HV *)SvREFCNT_inc_NN (SvRV (sv)); |
|
|
3981 | SvREFCNT_dec (sv); |
3443 | } |
3982 | } |
3444 | |
3983 | |
3445 | { |
3984 | { |
3446 | struct coro *coro = SvSTATE_hv (hv); |
3985 | struct coro *coro = SvSTATE_hv (hv); |
3447 | |
3986 | |
… | |
… | |
3479 | on_leave = 1 |
4018 | on_leave = 1 |
3480 | PROTOTYPE: & |
4019 | PROTOTYPE: & |
3481 | CODE: |
4020 | CODE: |
3482 | { |
4021 | { |
3483 | struct coro *coro = SvSTATE_current; |
4022 | struct coro *coro = SvSTATE_current; |
3484 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
4023 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
3485 | |
4024 | |
3486 | block = (SV *)coro_sv_2cv (aTHX_ block); |
4025 | block = s_get_cv_croak (block); |
3487 | |
4026 | |
3488 | if (!*avp) |
4027 | if (!*avp) |
3489 | *avp = newAV (); |
4028 | *avp = newAV (); |
3490 | |
4029 | |
3491 | av_push (*avp, SvREFCNT_inc (block)); |
4030 | av_push (*avp, SvREFCNT_inc (block)); |
… | |
… | |
3509 | |
4048 | |
3510 | SV * |
4049 | SV * |
3511 | new (SV *klass, SV *count = 0) |
4050 | new (SV *klass, SV *count = 0) |
3512 | CODE: |
4051 | CODE: |
3513 | { |
4052 | { |
3514 | int semcnt = 1; |
4053 | int semcnt = 1; |
3515 | |
4054 | |
3516 | if (count) |
4055 | if (count) |
3517 | { |
4056 | { |
3518 | SvGETMAGIC (count); |
4057 | SvGETMAGIC (count); |
3519 | |
4058 | |
… | |
… | |
3579 | XSRETURN_NO; |
4118 | XSRETURN_NO; |
3580 | } |
4119 | } |
3581 | |
4120 | |
3582 | void |
4121 | void |
3583 | waiters (SV *self) |
4122 | waiters (SV *self) |
3584 | PPCODE: |
4123 | PPCODE: |
3585 | { |
4124 | { |
3586 | AV *av = (AV *)SvRV (self); |
4125 | AV *av = (AV *)SvRV (self); |
3587 | int wcount = AvFILLp (av) + 1 - 1; |
4126 | int wcount = AvFILLp (av) + 1 - 1; |
3588 | |
4127 | |
3589 | if (GIMME_V == G_SCALAR) |
4128 | if (GIMME_V == G_SCALAR) |
… | |
… | |
3598 | } |
4137 | } |
3599 | |
4138 | |
3600 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
4139 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
3601 | |
4140 | |
3602 | void |
4141 | void |
3603 | _may_delete (SV *sem, int count, int extra_refs) |
4142 | _may_delete (SV *sem, int count, unsigned int extra_refs) |
3604 | PPCODE: |
4143 | PPCODE: |
3605 | { |
4144 | { |
3606 | AV *av = (AV *)SvRV (sem); |
4145 | AV *av = (AV *)SvRV (sem); |
3607 | |
4146 | |
3608 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
4147 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
3609 | && AvFILLp (av) == 0 /* no waiters, just count */ |
4148 | && AvFILLp (av) == 0 /* no waiters, just count */ |
3610 | && SvIV (AvARRAY (av)[0]) == count) |
4149 | && SvIV (AvARRAY (av)[0]) == count) |
3611 | XSRETURN_YES; |
4150 | XSRETURN_YES; |
… | |
… | |
3632 | |
4171 | |
3633 | void |
4172 | void |
3634 | broadcast (SV *self) |
4173 | broadcast (SV *self) |
3635 | CODE: |
4174 | CODE: |
3636 | { |
4175 | { |
3637 | AV *av = (AV *)SvRV (self); |
4176 | AV *av = (AV *)SvRV (self); |
3638 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
4177 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
3639 | } |
4178 | } |
3640 | |
4179 | |
3641 | void |
4180 | void |
3642 | send (SV *self) |
4181 | send (SV *self) |
… | |
… | |
3650 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
4189 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
3651 | } |
4190 | } |
3652 | |
4191 | |
3653 | IV |
4192 | IV |
3654 | awaited (SV *self) |
4193 | awaited (SV *self) |
3655 | CODE: |
4194 | CODE: |
3656 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
4195 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
3657 | OUTPUT: |
4196 | OUTPUT: |
3658 | RETVAL |
4197 | RETVAL |
3659 | |
4198 | |
3660 | |
4199 | |
… | |
… | |
3665 | |
4204 | |
3666 | void |
4205 | void |
3667 | _schedule (...) |
4206 | _schedule (...) |
3668 | CODE: |
4207 | CODE: |
3669 | { |
4208 | { |
3670 | static int incede; |
4209 | static int incede; |
3671 | |
4210 | |
3672 | api_cede_notself (aTHX); |
4211 | api_cede_notself (aTHX); |
3673 | |
4212 | |
3674 | ++incede; |
4213 | ++incede; |
3675 | while (coro_nready >= incede && api_cede (aTHX)) |
4214 | while (coro_nready >= incede && api_cede (aTHX)) |
… | |
… | |
3691 | |
4230 | |
3692 | void |
4231 | void |
3693 | _register (char *target, char *proto, SV *req) |
4232 | _register (char *target, char *proto, SV *req) |
3694 | CODE: |
4233 | CODE: |
3695 | { |
4234 | { |
3696 | CV *req_cv = coro_sv_2cv (aTHX_ req); |
4235 | SV *req_cv = s_get_cv_croak (req); |
3697 | /* newXSproto doesn't return the CV on 5.8 */ |
4236 | /* newXSproto doesn't return the CV on 5.8 */ |
3698 | CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__); |
4237 | CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__); |
3699 | sv_setpv ((SV *)slf_cv, proto); |
4238 | sv_setpv ((SV *)slf_cv, proto); |
3700 | sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0); |
4239 | sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0); |
3701 | } |
4240 | } |
3702 | |
4241 | |
|
|
4242 | MODULE = Coro::State PACKAGE = Coro::Select |
|
|
4243 | |
|
|
4244 | void |
|
|
4245 | patch_pp_sselect () |
|
|
4246 | CODE: |
|
|
4247 | if (!coro_old_pp_sselect) |
|
|
4248 | { |
|
|
4249 | coro_select_select = (SV *)get_cv ("Coro::Select::select", 0); |
|
|
4250 | coro_old_pp_sselect = PL_ppaddr [OP_SSELECT]; |
|
|
4251 | PL_ppaddr [OP_SSELECT] = coro_pp_sselect; |
|
|
4252 | } |
|
|
4253 | |
|
|
4254 | void |
|
|
4255 | unpatch_pp_sselect () |
|
|
4256 | CODE: |
|
|
4257 | if (coro_old_pp_sselect) |
|
|
4258 | { |
|
|
4259 | PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; |
|
|
4260 | coro_old_pp_sselect = 0; |
|
|
4261 | } |
|
|
4262 | |
|
|
4263 | MODULE = Coro::State PACKAGE = Coro::Util |
|
|
4264 | |
|
|
4265 | void |
|
|
4266 | _exit (int code) |
|
|
4267 | CODE: |
|
|
4268 | _exit (code); |
|
|
4269 | |
|
|
4270 | NV |
|
|
4271 | time () |
|
|
4272 | CODE: |
|
|
4273 | RETVAL = nvtime (aTHX); |
|
|
4274 | OUTPUT: |
|
|
4275 | RETVAL |
|
|
4276 | |
|
|
4277 | NV |
|
|
4278 | gettimeofday () |
|
|
4279 | PPCODE: |
|
|
4280 | { |
|
|
4281 | UV tv [2]; |
|
|
4282 | u2time (aTHX_ tv); |
|
|
4283 | EXTEND (SP, 2); |
|
|
4284 | PUSHs (sv_2mortal (newSVuv (tv [0]))); |
|
|
4285 | PUSHs (sv_2mortal (newSVuv (tv [1]))); |
|
|
4286 | } |
|
|
4287 | |