1 | /* this works around a bug in mingw32 providing a non-working setjmp */ |
1 | /* this works around a bug in mingw32 providing a non-working setjmp */ |
2 | #define USE_NO_MINGW_SETJMP_TWO_ARGS |
2 | #define USE_NO_MINGW_SETJMP_TWO_ARGS |
3 | |
3 | |
4 | #define NDEBUG 1 |
4 | #define NDEBUG 1 /* perl usually disables NDEBUG later */ |
5 | |
5 | |
6 | #include "libcoro/coro.c" |
6 | #include "libcoro/coro.c" |
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7 | |
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8 | #if CORO_UCONTEXT |
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9 | #define CORO_BACKEND "ucontext" |
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10 | #elif CORO_SJLJ |
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11 | #define CORO_BACKEND "sjlj" |
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12 | #elif CORO_LINUX |
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13 | #define CORO_BACKEND "linux" |
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14 | #elif CORO_LOSER |
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15 | #define CORO_BACKEND "loser" |
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16 | #elif CORO_FIBER |
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17 | #define CORO_BACKEND "fiber" |
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18 | #elif CORO_IRIX |
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19 | #define CORO_BACKEND "irix" |
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20 | #elif CORO_ASM |
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21 | #define CORO_BACKEND "asm" |
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22 | #elif CORO_PTHREAD |
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23 | #define CORO_BACKEND "pthread" |
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24 | #else |
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25 | #define CORO_BACKEND "unknown" |
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26 | #endif |
7 | |
27 | |
8 | #define PERL_NO_GET_CONTEXT |
28 | #define PERL_NO_GET_CONTEXT |
9 | #define PERL_EXT |
29 | #define PERL_EXT |
10 | |
30 | |
11 | #include "EXTERN.h" |
31 | #include "EXTERN.h" |
… | |
… | |
13 | #include "XSUB.h" |
33 | #include "XSUB.h" |
14 | #include "perliol.h" |
34 | #include "perliol.h" |
15 | |
35 | |
16 | #include "schmorp.h" |
36 | #include "schmorp.h" |
17 | |
37 | |
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38 | #define ECB_NO_THREADS 1 |
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39 | #define ECB_NO_LIBM 1 |
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40 | #include "ecb.h" |
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41 | |
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42 | #include <stddef.h> |
18 | #include <stdio.h> |
43 | #include <stdio.h> |
19 | #include <errno.h> |
44 | #include <errno.h> |
20 | #include <assert.h> |
45 | #include <assert.h> |
21 | |
46 | |
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47 | #ifndef SvREFCNT_dec_NN |
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48 | #define SvREFCNT_dec_NN(sv) SvREFCNT_dec (sv) |
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49 | #endif |
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50 | |
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51 | #ifndef SvREFCNT_inc_NN |
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52 | #define SvREFCNT_inc_NN(sv) SvREFCNT_inc (sv) |
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53 | #endif |
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54 | |
22 | #ifndef SVs_PADSTALE |
55 | #ifndef SVs_PADSTALE |
23 | # define SVs_PADSTALE 0 |
56 | # define SVs_PADSTALE 0 |
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57 | #endif |
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58 | |
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59 | #ifdef PadARRAY |
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60 | # define NEWPADAPI 1 |
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61 | # define newPADLIST(var) (Newz (0, var, 1, PADLIST), Newx (PadlistARRAY (var), 2, PAD *)) |
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62 | #else |
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63 | typedef AV PADNAMELIST; |
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64 | # if !PERL_VERSION_ATLEAST(5,8,0) |
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65 | typedef AV PADLIST; |
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66 | typedef AV PAD; |
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67 | # endif |
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68 | # define PadlistARRAY(pl) ((PAD **)AvARRAY (pl)) |
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69 | # define PadlistMAX(pl) AvFILLp (pl) |
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70 | # define PadlistNAMES(pl) (*PadlistARRAY (pl)) |
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71 | # define PadARRAY AvARRAY |
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72 | # define PadMAX AvFILLp |
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73 | # define newPADLIST(var) ((var) = newAV (), av_extend (var, 1)) |
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74 | #endif |
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75 | #ifndef PadnamelistREFCNT |
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76 | # define PadnamelistREFCNT(pnl) SvREFCNT (pnl) |
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77 | #endif |
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78 | #ifndef PadnamelistREFCNT_dec |
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79 | # define PadnamelistREFCNT_dec(pnl) SvREFCNT_dec (pnl) |
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80 | #endif |
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81 | |
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82 | /* 5.19.something has replaced SVt_BIND by SVt_INVLIST */ |
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83 | /* we just alias it to SVt_IV, as that is sufficient for swap_sv for now */ |
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84 | #if PERL_VERSION_ATLEAST(5,19,0) |
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85 | # define SVt_BIND SVt_IV |
24 | #endif |
86 | #endif |
25 | |
87 | |
26 | #if defined(_WIN32) |
88 | #if defined(_WIN32) |
27 | # undef HAS_GETTIMEOFDAY |
89 | # undef HAS_GETTIMEOFDAY |
28 | # undef setjmp |
90 | # undef setjmp |
… | |
… | |
31 | # define setjmp _setjmp /* deep magic */ |
93 | # define setjmp _setjmp /* deep magic */ |
32 | #else |
94 | #else |
33 | # include <inttypes.h> /* most portable stdint.h */ |
95 | # include <inttypes.h> /* most portable stdint.h */ |
34 | #endif |
96 | #endif |
35 | |
97 | |
36 | #ifdef HAVE_MMAP |
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37 | # include <unistd.h> |
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38 | # include <sys/mman.h> |
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39 | # ifndef MAP_ANONYMOUS |
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40 | # ifdef MAP_ANON |
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41 | # define MAP_ANONYMOUS MAP_ANON |
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42 | # else |
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43 | # undef HAVE_MMAP |
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44 | # endif |
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45 | # endif |
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46 | # include <limits.h> |
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47 | # ifndef PAGESIZE |
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48 | # define PAGESIZE pagesize |
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49 | # define BOOT_PAGESIZE pagesize = sysconf (_SC_PAGESIZE) |
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50 | static long pagesize; |
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51 | # else |
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52 | # define BOOT_PAGESIZE (void)0 |
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53 | # endif |
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54 | #else |
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55 | # define PAGESIZE 0 |
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56 | # define BOOT_PAGESIZE (void)0 |
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57 | #endif |
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58 | |
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59 | #if CORO_USE_VALGRIND |
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60 | # include <valgrind/valgrind.h> |
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61 | #endif |
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62 | |
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63 | /* the maximum number of idle cctx that will be pooled */ |
98 | /* the maximum number of idle cctx that will be pooled */ |
64 | static int cctx_max_idle = 4; |
99 | static int cctx_max_idle = 4; |
65 | |
100 | |
66 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
101 | #if defined(DEBUGGING) && PERL_VERSION_ATLEAST(5,12,0) |
67 | # undef CORO_STACKGUARD |
102 | # define HAS_SCOPESTACK_NAME 1 |
68 | #endif |
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69 | |
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70 | #ifndef CORO_STACKGUARD |
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71 | # define CORO_STACKGUARD 0 |
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72 | #endif |
103 | #endif |
73 | |
104 | |
74 | /* prefer perl internal functions over our own? */ |
105 | /* prefer perl internal functions over our own? */ |
75 | #ifndef CORO_PREFER_PERL_FUNCTIONS |
106 | #ifndef CORO_PREFER_PERL_FUNCTIONS |
76 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
107 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
… | |
… | |
86 | # define STACKLEVEL ((void *)&stacklevel) |
117 | # define STACKLEVEL ((void *)&stacklevel) |
87 | #endif |
118 | #endif |
88 | |
119 | |
89 | #define IN_DESTRUCT PL_dirty |
120 | #define IN_DESTRUCT PL_dirty |
90 | |
121 | |
91 | #if __GNUC__ >= 3 |
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92 | # define attribute(x) __attribute__(x) |
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93 | # define expect(expr,value) __builtin_expect ((expr), (value)) |
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94 | # define INLINE static inline |
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95 | #else |
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96 | # define attribute(x) |
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97 | # define expect(expr,value) (expr) |
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98 | # define INLINE static |
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99 | #endif |
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100 | |
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101 | #define expect_false(expr) expect ((expr) != 0, 0) |
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102 | #define expect_true(expr) expect ((expr) != 0, 1) |
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103 | |
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104 | #define NOINLINE attribute ((noinline)) |
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105 | |
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106 | #include "CoroAPI.h" |
122 | #include "CoroAPI.h" |
107 | #define GCoroAPI (&coroapi) /* very sneaky */ |
123 | #define GCoroAPI (&coroapi) /* very sneaky */ |
108 | |
124 | |
109 | #ifdef USE_ITHREADS |
125 | #ifdef USE_ITHREADS |
110 | # if CORO_PTHREAD |
126 | # if CORO_PTHREAD |
… | |
… | |
120 | # define CORO_CLOCK_MONOTONIC 1 |
136 | # define CORO_CLOCK_MONOTONIC 1 |
121 | # define CORO_CLOCK_THREAD_CPUTIME_ID 3 |
137 | # define CORO_CLOCK_THREAD_CPUTIME_ID 3 |
122 | # endif |
138 | # endif |
123 | #endif |
139 | #endif |
124 | |
140 | |
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141 | /* one off bugfix for perl 5.22 */ |
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142 | #if PERL_VERSION_ATLEAST(5,22,0) && !PERL_VERSION_ATLEAST(5,24,0) |
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143 | # undef PadlistNAMES |
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144 | # define PadlistNAMES(pl) *((PADNAMELIST **)PadlistARRAY (pl)) |
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145 | #endif |
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146 | |
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147 | #if PERL_VERSION_ATLEAST(5,24,0) |
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148 | # define SUB_ARGARRAY PL_curpad[0] |
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149 | #else |
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150 | # define SUB_ARGARRAY (SV *)cx->blk_sub.argarray |
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151 | #endif |
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152 | |
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153 | /* perl usually suppresses asserts. for debugging, we sometimes force it to be on */ |
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154 | #if 0 |
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155 | # undef NDEBUG |
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156 | # include <assert.h> |
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157 | #endif |
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158 | |
125 | static double (*nvtime)(); /* so why doesn't it take void? */ |
159 | static double (*nvtime)(); /* so why doesn't it take void? */ |
126 | static void (*u2time)(pTHX_ UV ret[2]); |
160 | static void (*u2time)(pTHX_ UV ret[2]); |
127 | |
161 | |
128 | /* we hijack an hopefully unused CV flag for our purposes */ |
162 | /* we hijack an hopefully unused CV flag for our purposes */ |
129 | #define CVf_SLF 0x4000 |
163 | #define CVf_SLF 0x4000 |
130 | static OP *pp_slf (pTHX); |
164 | static OP *pp_slf (pTHX); |
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165 | static void slf_destroy (pTHX_ struct coro *coro); |
131 | |
166 | |
132 | static U32 cctx_gen; |
167 | static U32 cctx_gen; |
133 | static size_t cctx_stacksize = CORO_STACKSIZE; |
168 | static size_t cctx_stacksize = CORO_STACKSIZE; |
134 | static struct CoroAPI coroapi; |
169 | static struct CoroAPI coroapi; |
135 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
170 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
… | |
… | |
143 | |
178 | |
144 | static GV *irsgv; /* $/ */ |
179 | static GV *irsgv; /* $/ */ |
145 | static GV *stdoutgv; /* *STDOUT */ |
180 | static GV *stdoutgv; /* *STDOUT */ |
146 | static SV *rv_diehook; |
181 | static SV *rv_diehook; |
147 | static SV *rv_warnhook; |
182 | static SV *rv_warnhook; |
148 | static HV *hv_sig; /* %SIG */ |
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149 | |
183 | |
150 | /* async_pool helper stuff */ |
184 | /* async_pool helper stuff */ |
151 | static SV *sv_pool_rss; |
185 | static SV *sv_pool_rss; |
152 | static SV *sv_pool_size; |
186 | static SV *sv_pool_size; |
153 | static SV *sv_async_pool_idle; /* description string */ |
187 | static SV *sv_async_pool_idle; /* description string */ |
… | |
… | |
165 | static char times_valid; |
199 | static char times_valid; |
166 | |
200 | |
167 | static struct coro_cctx *cctx_first; |
201 | static struct coro_cctx *cctx_first; |
168 | static int cctx_count, cctx_idle; |
202 | static int cctx_count, cctx_idle; |
169 | |
203 | |
170 | enum { |
204 | enum |
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205 | { |
171 | CC_MAPPED = 0x01, |
206 | CC_MAPPED = 0x01, |
172 | CC_NOREUSE = 0x02, /* throw this away after tracing */ |
207 | CC_NOREUSE = 0x02, /* throw this away after tracing */ |
173 | CC_TRACE = 0x04, |
208 | CC_TRACE = 0x04, |
174 | CC_TRACE_SUB = 0x08, /* trace sub calls */ |
209 | CC_TRACE_SUB = 0x08, /* trace sub calls */ |
175 | CC_TRACE_LINE = 0x10, /* trace each statement */ |
210 | CC_TRACE_LINE = 0x10, /* trace each statement */ |
… | |
… | |
180 | typedef struct coro_cctx |
215 | typedef struct coro_cctx |
181 | { |
216 | { |
182 | struct coro_cctx *next; |
217 | struct coro_cctx *next; |
183 | |
218 | |
184 | /* the stack */ |
219 | /* the stack */ |
185 | void *sptr; |
220 | struct coro_stack stack; |
186 | size_t ssize; |
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187 | |
221 | |
188 | /* cpu state */ |
222 | /* cpu state */ |
189 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
223 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
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224 | #ifndef NDEBUG |
190 | JMPENV *idle_te; /* same as idle_sp, but for top_env, TODO: remove once stable */ |
225 | JMPENV *idle_te; /* same as idle_sp, but for top_env */ |
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226 | #endif |
191 | JMPENV *top_env; |
227 | JMPENV *top_env; |
192 | coro_context cctx; |
228 | coro_context cctx; |
193 | |
229 | |
194 | U32 gen; |
230 | U32 gen; |
195 | #if CORO_USE_VALGRIND |
231 | #if CORO_USE_VALGRIND |
… | |
… | |
200 | |
236 | |
201 | static coro_cctx *cctx_current; /* the currently running cctx */ |
237 | static coro_cctx *cctx_current; /* the currently running cctx */ |
202 | |
238 | |
203 | /*****************************************************************************/ |
239 | /*****************************************************************************/ |
204 | |
240 | |
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241 | static MGVTBL coro_state_vtbl; |
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242 | |
205 | enum { |
243 | enum |
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244 | { |
206 | CF_RUNNING = 0x0001, /* coroutine is running */ |
245 | CF_RUNNING = 0x0001, /* coroutine is running */ |
207 | CF_READY = 0x0002, /* coroutine is ready */ |
246 | CF_READY = 0x0002, /* coroutine is ready */ |
208 | CF_NEW = 0x0004, /* has never been switched to */ |
247 | CF_NEW = 0x0004, /* has never been switched to */ |
209 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
248 | CF_ZOMBIE = 0x0008, /* coroutine data has been freed */ |
210 | CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */ |
249 | CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */ |
211 | CF_NOCANCEL = 0x0020, /* cannot cancel, set slf_frame.data to 1 (hackish) */ |
250 | CF_NOCANCEL = 0x0020, /* cannot cancel, set slf_frame.data to 1 (hackish) */ |
212 | }; |
251 | }; |
213 | |
252 | |
214 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
253 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
215 | typedef struct |
254 | typedef struct |
216 | { |
255 | { |
217 | SV *defsv; |
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218 | AV *defav; |
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219 | SV *errsv; |
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220 | SV *irsgv; |
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221 | HV *hinthv; |
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222 | #define VAR(name,type) type name; |
256 | #define VARx(name,expr,type) type name; |
223 | # include "state.h" |
257 | #include "state.h" |
224 | #undef VAR |
|
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225 | } perl_slots; |
258 | } perl_slots; |
226 | |
259 | |
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260 | /* how many context stack entries do we need for perl_slots */ |
227 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
261 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
228 | |
262 | |
229 | /* this is a structure representing a perl-level coroutine */ |
263 | /* this is a structure representing a perl-level coroutine */ |
230 | struct coro { |
264 | struct coro |
|
|
265 | { |
231 | /* the C coroutine allocated to this perl coroutine, if any */ |
266 | /* the C coroutine allocated to this perl coroutine, if any */ |
232 | coro_cctx *cctx; |
267 | coro_cctx *cctx; |
233 | |
268 | |
234 | /* ready queue */ |
269 | /* ready queue */ |
235 | struct coro *next_ready; |
270 | struct coro *next_ready; |
… | |
… | |
237 | /* state data */ |
272 | /* state data */ |
238 | struct CoroSLF slf_frame; /* saved slf frame */ |
273 | struct CoroSLF slf_frame; /* saved slf frame */ |
239 | AV *mainstack; |
274 | AV *mainstack; |
240 | perl_slots *slot; /* basically the saved sp */ |
275 | perl_slots *slot; /* basically the saved sp */ |
241 | |
276 | |
242 | CV *startcv; /* the CV to execute */ |
277 | CV *startcv; /* the CV to execute */ |
243 | AV *args; /* data associated with this coroutine (initial args) */ |
278 | AV *args; /* data associated with this coroutine (initial args) */ |
244 | int refcnt; /* coroutines are refcounted, yes */ |
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|
245 | int flags; /* CF_ flags */ |
279 | int flags; /* CF_ flags */ |
246 | HV *hv; /* the perl hash associated with this coro, if any */ |
280 | HV *hv; /* the perl hash associated with this coro, if any */ |
247 | void (*on_destroy)(pTHX_ struct coro *coro); /* for temporary use by xs in critical sections */ |
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248 | |
281 | |
249 | /* statistics */ |
282 | /* statistics */ |
250 | int usecount; /* number of transfers to this coro */ |
283 | int usecount; /* number of transfers to this coro */ |
251 | |
284 | |
252 | /* coro process data */ |
285 | /* coro process data */ |
253 | int prio; |
286 | int prio; |
254 | SV *except; /* exception to be thrown */ |
287 | SV *except; /* exception to be thrown */ |
255 | SV *rouse_cb; |
288 | SV *rouse_cb; /* last rouse callback */ |
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289 | AV *on_destroy; /* callbacks or coros to notify on destroy */ |
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290 | AV *status; /* the exit status list */ |
256 | |
291 | |
257 | /* async_pool */ |
292 | /* async_pool */ |
258 | SV *saved_deffh; |
293 | SV *saved_deffh; |
259 | SV *invoke_cb; |
294 | SV *invoke_cb; |
260 | AV *invoke_av; |
295 | AV *invoke_av; |
261 | |
296 | |
262 | /* on_enter/on_leave */ |
297 | /* on_enter/on_leave */ |
263 | AV *on_enter; |
298 | AV *on_enter; AV *on_enter_xs; |
264 | AV *on_leave; |
299 | AV *on_leave; AV *on_leave_xs; |
265 | |
300 | |
266 | /* swap_sv */ |
301 | /* swap_sv */ |
267 | AV *swap_sv; |
302 | AV *swap_sv; |
268 | |
303 | |
269 | /* times */ |
304 | /* times */ |
… | |
… | |
292 | |
327 | |
293 | /* for Coro.pm */ |
328 | /* for Coro.pm */ |
294 | static SV *coro_current; |
329 | static SV *coro_current; |
295 | static SV *coro_readyhook; |
330 | static SV *coro_readyhook; |
296 | static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ |
331 | static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ |
297 | static CV *cv_coro_run, *cv_coro_terminate; |
332 | static CV *cv_coro_run; |
298 | static struct coro *coro_first; |
333 | static struct coro *coro_first; |
299 | #define coro_nready coroapi.nready |
334 | #define coro_nready coroapi.nready |
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335 | |
|
|
336 | /** JIT *********************************************************************/ |
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337 | |
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338 | #if CORO_JIT |
|
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339 | /* APPLE doesn't have mmap though */ |
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340 | #define CORO_JIT_UNIXY (__linux || __FreeBSD__ || __OpenBSD__ || __NetBSD__ || __solaris || __APPLE__) |
|
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341 | #ifndef CORO_JIT_TYPE |
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|
342 | #if ECB_AMD64 && CORO_JIT_UNIXY |
|
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343 | #define CORO_JIT_TYPE "amd64-unix" |
|
|
344 | #elif __i386 && CORO_JIT_UNIXY |
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345 | #define CORO_JIT_TYPE "x86-unix" |
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346 | #endif |
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347 | #endif |
|
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348 | #endif |
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349 | |
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350 | #if !defined(CORO_JIT_TYPE) || _POSIX_MEMORY_PROTECTION <= 0 |
|
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351 | #undef CORO_JIT |
|
|
352 | #endif |
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353 | |
|
|
354 | #if CORO_JIT |
|
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355 | typedef void (*load_save_perl_slots_type)(perl_slots *); |
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356 | static load_save_perl_slots_type load_perl_slots, save_perl_slots; |
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|
357 | #endif |
300 | |
358 | |
301 | /** Coro::Select ************************************************************/ |
359 | /** Coro::Select ************************************************************/ |
302 | |
360 | |
303 | static OP *(*coro_old_pp_sselect) (pTHX); |
361 | static OP *(*coro_old_pp_sselect) (pTHX); |
304 | static SV *coro_select_select; |
362 | static SV *coro_select_select; |
… | |
… | |
320 | |
378 | |
321 | /** time stuff **************************************************************/ |
379 | /** time stuff **************************************************************/ |
322 | |
380 | |
323 | #ifdef HAS_GETTIMEOFDAY |
381 | #ifdef HAS_GETTIMEOFDAY |
324 | |
382 | |
325 | static void |
383 | ecb_inline void |
326 | coro_u2time (pTHX_ UV ret[2]) |
384 | coro_u2time (pTHX_ UV ret[2]) |
327 | { |
385 | { |
328 | struct timeval tv; |
386 | struct timeval tv; |
329 | gettimeofday (&tv, 0); |
387 | gettimeofday (&tv, 0); |
330 | |
388 | |
331 | ret [0] = tv.tv_sec; |
389 | ret [0] = tv.tv_sec; |
332 | ret [1] = tv.tv_usec; |
390 | ret [1] = tv.tv_usec; |
333 | } |
391 | } |
334 | |
392 | |
335 | static double |
393 | ecb_inline double |
336 | coro_nvtime () |
394 | coro_nvtime (void) |
337 | { |
395 | { |
338 | struct timeval tv; |
396 | struct timeval tv; |
339 | gettimeofday (&tv, 0); |
397 | gettimeofday (&tv, 0); |
340 | |
398 | |
341 | return tv.tv_sec + tv.tv_usec * 1e-6; |
399 | return tv.tv_sec + tv.tv_usec * 1e-6; |
342 | } |
400 | } |
343 | |
401 | |
344 | static void |
402 | ecb_inline void |
345 | time_init (pTHX) |
403 | time_init (pTHX) |
346 | { |
404 | { |
347 | nvtime = coro_nvtime; |
405 | nvtime = coro_nvtime; |
348 | u2time = coro_u2time; |
406 | u2time = coro_u2time; |
349 | } |
407 | } |
350 | |
408 | |
351 | #else |
409 | #else |
352 | |
410 | |
353 | static void |
411 | ecb_inline void |
354 | time_init (pTHX) |
412 | time_init (pTHX) |
355 | { |
413 | { |
356 | SV **svp; |
414 | SV **svp; |
357 | |
415 | |
358 | require_pv ("Time/HiRes.pm"); |
416 | require_pv ("Time/HiRes.pm"); |
359 | |
417 | |
360 | svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
418 | svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
361 | |
419 | |
362 | if (!svp) croak ("Time::HiRes is required, but missing. Caught"); |
420 | if (!svp) croak ("Time::HiRes is required, but missing. Caught"); |
363 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer. Caught"); |
421 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer. Caught"); |
364 | |
422 | |
… | |
… | |
370 | |
428 | |
371 | #endif |
429 | #endif |
372 | |
430 | |
373 | /** lowlevel stuff **********************************************************/ |
431 | /** lowlevel stuff **********************************************************/ |
374 | |
432 | |
375 | static SV * |
433 | static SV * ecb_noinline |
376 | coro_get_sv (pTHX_ const char *name, int create) |
434 | coro_get_sv (pTHX_ const char *name, int create) |
377 | { |
435 | { |
378 | #if PERL_VERSION_ATLEAST (5,10,0) |
436 | #if PERL_VERSION_ATLEAST (5,10,0) |
379 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
437 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
380 | get_sv (name, create); |
438 | get_sv (name, create); |
381 | #endif |
439 | #endif |
382 | return get_sv (name, create); |
440 | return get_sv (name, create); |
383 | } |
441 | } |
384 | |
442 | |
385 | static AV * |
443 | static AV * ecb_noinline |
386 | coro_get_av (pTHX_ const char *name, int create) |
444 | coro_get_av (pTHX_ const char *name, int create) |
387 | { |
445 | { |
388 | #if PERL_VERSION_ATLEAST (5,10,0) |
446 | #if PERL_VERSION_ATLEAST (5,10,0) |
389 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
447 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
390 | get_av (name, create); |
448 | get_av (name, create); |
391 | #endif |
449 | #endif |
392 | return get_av (name, create); |
450 | return get_av (name, create); |
393 | } |
451 | } |
394 | |
452 | |
395 | static HV * |
453 | static HV * ecb_noinline |
396 | coro_get_hv (pTHX_ const char *name, int create) |
454 | coro_get_hv (pTHX_ const char *name, int create) |
397 | { |
455 | { |
398 | #if PERL_VERSION_ATLEAST (5,10,0) |
456 | #if PERL_VERSION_ATLEAST (5,10,0) |
399 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
457 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
400 | get_hv (name, create); |
458 | get_hv (name, create); |
401 | #endif |
459 | #endif |
402 | return get_hv (name, create); |
460 | return get_hv (name, create); |
403 | } |
461 | } |
404 | |
462 | |
405 | INLINE void |
463 | ecb_inline void |
406 | coro_times_update () |
464 | coro_times_update (void) |
407 | { |
465 | { |
408 | #ifdef coro_clock_gettime |
466 | #ifdef coro_clock_gettime |
409 | struct timespec ts; |
467 | struct timespec ts; |
410 | |
468 | |
411 | ts.tv_sec = ts.tv_nsec = 0; |
469 | ts.tv_sec = ts.tv_nsec = 0; |
… | |
… | |
423 | time_real [0] = tv [0]; |
481 | time_real [0] = tv [0]; |
424 | time_real [1] = tv [1] * 1000; |
482 | time_real [1] = tv [1] * 1000; |
425 | #endif |
483 | #endif |
426 | } |
484 | } |
427 | |
485 | |
428 | INLINE void |
486 | ecb_inline void |
429 | coro_times_add (struct coro *c) |
487 | coro_times_add (struct coro *c) |
430 | { |
488 | { |
431 | c->t_real [1] += time_real [1]; |
489 | c->t_real [1] += time_real [1]; |
432 | if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } |
490 | if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } |
433 | c->t_real [0] += time_real [0]; |
491 | c->t_real [0] += time_real [0]; |
… | |
… | |
435 | c->t_cpu [1] += time_cpu [1]; |
493 | c->t_cpu [1] += time_cpu [1]; |
436 | if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } |
494 | if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } |
437 | c->t_cpu [0] += time_cpu [0]; |
495 | c->t_cpu [0] += time_cpu [0]; |
438 | } |
496 | } |
439 | |
497 | |
440 | INLINE void |
498 | ecb_inline void |
441 | coro_times_sub (struct coro *c) |
499 | coro_times_sub (struct coro *c) |
442 | { |
500 | { |
443 | if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } |
501 | if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } |
444 | c->t_real [1] -= time_real [1]; |
502 | c->t_real [1] -= time_real [1]; |
445 | c->t_real [0] -= time_real [0]; |
503 | c->t_real [0] -= time_real [0]; |
… | |
… | |
453 | /* magic glue */ |
511 | /* magic glue */ |
454 | |
512 | |
455 | #define CORO_MAGIC_type_cv 26 |
513 | #define CORO_MAGIC_type_cv 26 |
456 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
514 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
457 | |
515 | |
458 | #define CORO_MAGIC_NN(sv, type) \ |
516 | #define CORO_MAGIC_NN(sv, type) \ |
459 | (expect_true (SvMAGIC (sv)->mg_type == type) \ |
517 | (ecb_expect_true (SvMAGIC (sv)->mg_type == type) \ |
460 | ? SvMAGIC (sv) \ |
518 | ? SvMAGIC (sv) \ |
461 | : mg_find (sv, type)) |
519 | : mg_find (sv, type)) |
462 | |
520 | |
463 | #define CORO_MAGIC(sv, type) \ |
521 | #define CORO_MAGIC(sv, type) \ |
464 | (expect_true (SvMAGIC (sv)) \ |
522 | (ecb_expect_true (SvMAGIC (sv)) \ |
465 | ? CORO_MAGIC_NN (sv, type) \ |
523 | ? CORO_MAGIC_NN (sv, type) \ |
466 | : 0) |
524 | : 0) |
467 | |
525 | |
468 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
526 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
469 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
527 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
470 | |
528 | |
471 | INLINE struct coro * |
529 | ecb_inline MAGIC * |
472 | SvSTATE_ (pTHX_ SV *coro) |
530 | SvSTATEhv_p (pTHX_ SV *coro) |
473 | { |
531 | { |
474 | HV *stash; |
|
|
475 | MAGIC *mg; |
532 | MAGIC *mg; |
476 | |
533 | |
|
|
534 | if (ecb_expect_true ( |
|
|
535 | SvTYPE (coro) == SVt_PVHV |
|
|
536 | && (mg = CORO_MAGIC_state (coro)) |
|
|
537 | && mg->mg_virtual == &coro_state_vtbl |
|
|
538 | )) |
|
|
539 | return mg; |
|
|
540 | |
|
|
541 | return 0; |
|
|
542 | } |
|
|
543 | |
|
|
544 | ecb_inline struct coro * |
|
|
545 | SvSTATE_ (pTHX_ SV *coro_sv) |
|
|
546 | { |
|
|
547 | MAGIC *mg; |
|
|
548 | |
477 | if (SvROK (coro)) |
549 | if (SvROK (coro_sv)) |
478 | coro = SvRV (coro); |
550 | coro_sv = SvRV (coro_sv); |
479 | |
551 | |
480 | if (expect_false (SvTYPE (coro) != SVt_PVHV)) |
552 | mg = SvSTATEhv_p (aTHX_ coro_sv); |
|
|
553 | if (!mg) |
481 | croak ("Coro::State object required"); |
554 | croak ("Coro::State object required"); |
482 | |
555 | |
483 | stash = SvSTASH (coro); |
|
|
484 | if (expect_false (stash != coro_stash && stash != coro_state_stash)) |
|
|
485 | { |
|
|
486 | /* very slow, but rare, check */ |
|
|
487 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
|
|
488 | croak ("Coro::State object required"); |
|
|
489 | } |
|
|
490 | |
|
|
491 | mg = CORO_MAGIC_state (coro); |
|
|
492 | return (struct coro *)mg->mg_ptr; |
556 | return (struct coro *)mg->mg_ptr; |
493 | } |
557 | } |
494 | |
558 | |
495 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
559 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
496 | |
560 | |
… | |
… | |
499 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
563 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
500 | |
564 | |
501 | /*****************************************************************************/ |
565 | /*****************************************************************************/ |
502 | /* padlist management and caching */ |
566 | /* padlist management and caching */ |
503 | |
567 | |
504 | static AV * |
568 | ecb_inline PADLIST * |
505 | coro_derive_padlist (pTHX_ CV *cv) |
569 | coro_derive_padlist (pTHX_ CV *cv) |
506 | { |
570 | { |
507 | AV *padlist = CvPADLIST (cv); |
571 | PADLIST *padlist = CvPADLIST (cv); |
508 | AV *newpadlist, *newpad; |
572 | PADLIST *newpadlist; |
|
|
573 | PADNAMELIST *padnames; |
|
|
574 | PAD *newpad; |
|
|
575 | PADOFFSET off = PadlistMAX (padlist) + 1; |
509 | |
576 | |
510 | newpadlist = newAV (); |
577 | #if NEWPADAPI |
|
|
578 | |
|
|
579 | /* if we had the original CvDEPTH, we might be able to steal the CvDEPTH+1 entry instead */ |
|
|
580 | /* 20131102194744.GA6705@schmorp.de, 20131102195825.2013.qmail@lists-nntp.develooper.com */ |
|
|
581 | while (!PadlistARRAY (padlist)[off - 1]) |
|
|
582 | --off; |
|
|
583 | |
|
|
584 | Perl_pad_push (aTHX_ padlist, off); |
|
|
585 | |
|
|
586 | newpad = PadlistARRAY (padlist)[off]; |
|
|
587 | PadlistARRAY (padlist)[off] = 0; |
|
|
588 | |
|
|
589 | #else |
|
|
590 | |
|
|
591 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
592 | Perl_pad_push (aTHX_ padlist, off); |
|
|
593 | #else |
|
|
594 | Perl_pad_push (aTHX_ padlist, off, 1); |
|
|
595 | #endif |
|
|
596 | |
|
|
597 | newpad = PadlistARRAY (padlist)[off]; |
|
|
598 | PadlistMAX (padlist) = off - 1; |
|
|
599 | |
|
|
600 | #endif |
|
|
601 | |
|
|
602 | newPADLIST (newpadlist); |
|
|
603 | #if !PERL_VERSION_ATLEAST(5,15,3) |
|
|
604 | /* Padlists are AvREAL as of 5.15.3. See perl bug #98092 and perl commit 7d953ba. */ |
511 | AvREAL_off (newpadlist); |
605 | AvREAL_off (newpadlist); |
512 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
513 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1); |
|
|
514 | #else |
|
|
515 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
|
|
516 | #endif |
606 | #endif |
517 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
|
|
518 | --AvFILLp (padlist); |
|
|
519 | |
607 | |
520 | av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0])); |
608 | /* Already extended to 2 elements by newPADLIST. */ |
521 | av_store (newpadlist, 1, (SV *)newpad); |
609 | PadlistMAX (newpadlist) = 1; |
|
|
610 | |
|
|
611 | padnames = PadlistNAMES (padlist); |
|
|
612 | ++PadnamelistREFCNT (padnames); |
|
|
613 | PadlistNAMES (newpadlist) = padnames; |
|
|
614 | |
|
|
615 | PadlistARRAY (newpadlist)[1] = newpad; |
522 | |
616 | |
523 | return newpadlist; |
617 | return newpadlist; |
524 | } |
618 | } |
525 | |
619 | |
526 | static void |
620 | ecb_inline void |
527 | free_padlist (pTHX_ AV *padlist) |
621 | free_padlist (pTHX_ PADLIST *padlist) |
528 | { |
622 | { |
529 | /* may be during global destruction */ |
623 | /* may be during global destruction */ |
530 | if (!IN_DESTRUCT) |
624 | if (!IN_DESTRUCT) |
531 | { |
625 | { |
532 | I32 i = AvFILLp (padlist); |
626 | I32 i = PadlistMAX (padlist); |
533 | |
627 | |
534 | while (i > 0) /* special-case index 0 */ |
628 | while (i > 0) /* special-case index 0 */ |
535 | { |
629 | { |
536 | /* we try to be extra-careful here */ |
630 | /* we try to be extra-careful here */ |
537 | AV *av = (AV *)AvARRAY (padlist)[i--]; |
631 | PAD *pad = PadlistARRAY (padlist)[i--]; |
538 | I32 j = AvFILLp (av); |
|
|
539 | |
632 | |
|
|
633 | if (pad) |
|
|
634 | { |
|
|
635 | I32 j = PadMAX (pad); |
|
|
636 | |
540 | while (j >= 0) |
637 | while (j >= 0) |
541 | SvREFCNT_dec (AvARRAY (av)[j--]); |
638 | SvREFCNT_dec (PadARRAY (pad)[j--]); |
542 | |
639 | |
543 | AvFILLp (av) = -1; |
640 | PadMAX (pad) = -1; |
544 | SvREFCNT_dec (av); |
641 | SvREFCNT_dec (pad); |
|
|
642 | } |
545 | } |
643 | } |
546 | |
644 | |
547 | SvREFCNT_dec (AvARRAY (padlist)[0]); |
645 | PadnamelistREFCNT_dec (PadlistNAMES (padlist)); |
548 | |
646 | |
|
|
647 | #if NEWPADAPI |
|
|
648 | Safefree (PadlistARRAY (padlist)); |
|
|
649 | Safefree (padlist); |
|
|
650 | #else |
549 | AvFILLp (padlist) = -1; |
651 | AvFILLp (padlist) = -1; |
|
|
652 | AvREAL_off (padlist); |
550 | SvREFCNT_dec ((SV*)padlist); |
653 | SvREFCNT_dec ((SV*)padlist); |
|
|
654 | #endif |
551 | } |
655 | } |
552 | } |
656 | } |
553 | |
657 | |
554 | static int |
658 | static int |
555 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
659 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
556 | { |
660 | { |
557 | AV *padlist; |
661 | PADLIST *padlist; |
558 | AV *av = (AV *)mg->mg_obj; |
662 | PADLIST **padlists = (PADLIST **)(mg->mg_ptr + sizeof(size_t)); |
|
|
663 | size_t len = *(size_t *)mg->mg_ptr; |
559 | |
664 | |
560 | /* perl manages to free our internal AV and _then_ call us */ |
665 | /* perl manages to free our internal AV and _then_ call us */ |
561 | if (IN_DESTRUCT) |
666 | if (IN_DESTRUCT) |
562 | return 0; |
667 | return 0; |
563 | |
668 | |
564 | /* casting is fun. */ |
669 | while (len--) |
565 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
|
|
566 | free_padlist (aTHX_ padlist); |
670 | free_padlist (aTHX_ padlists[len]); |
567 | |
|
|
568 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
|
|
569 | |
671 | |
570 | return 0; |
672 | return 0; |
571 | } |
673 | } |
572 | |
674 | |
573 | static MGVTBL coro_cv_vtbl = { |
675 | static MGVTBL coro_cv_vtbl = { |
574 | 0, 0, 0, 0, |
676 | 0, 0, 0, 0, |
575 | coro_cv_free |
677 | coro_cv_free |
576 | }; |
678 | }; |
577 | |
679 | |
578 | /* the next two functions merely cache the padlists */ |
680 | /* the next two functions merely cache the padlists */ |
579 | static void |
681 | ecb_inline void |
580 | get_padlist (pTHX_ CV *cv) |
682 | get_padlist (pTHX_ CV *cv) |
581 | { |
683 | { |
582 | MAGIC *mg = CORO_MAGIC_cv (cv); |
684 | MAGIC *mg = CORO_MAGIC_cv (cv); |
583 | AV *av; |
685 | size_t *lenp; |
584 | |
686 | |
585 | if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
687 | if (ecb_expect_true (mg && *(lenp = (size_t *)mg->mg_ptr))) |
586 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
688 | CvPADLIST (cv) = ((PADLIST **)(mg->mg_ptr + sizeof(size_t)))[--*lenp]; |
587 | else |
689 | else |
588 | { |
690 | { |
589 | #if CORO_PREFER_PERL_FUNCTIONS |
691 | #if CORO_PREFER_PERL_FUNCTIONS |
590 | /* this is probably cleaner? but also slower! */ |
692 | /* this is probably cleaner? but also slower! */ |
591 | /* in practise, it seems to be less stable */ |
693 | /* in practise, it seems to be less stable */ |
… | |
… | |
597 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
699 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
598 | #endif |
700 | #endif |
599 | } |
701 | } |
600 | } |
702 | } |
601 | |
703 | |
602 | static void |
704 | ecb_inline void |
603 | put_padlist (pTHX_ CV *cv) |
705 | put_padlist (pTHX_ CV *cv) |
604 | { |
706 | { |
605 | MAGIC *mg = CORO_MAGIC_cv (cv); |
707 | MAGIC *mg = CORO_MAGIC_cv (cv); |
606 | AV *av; |
|
|
607 | |
708 | |
608 | if (expect_false (!mg)) |
709 | if (ecb_expect_false (!mg)) |
|
|
710 | { |
609 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
711 | mg = sv_magicext ((SV *)cv, 0, CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
|
|
712 | Newz (0, mg->mg_ptr ,sizeof (size_t) + sizeof (PADLIST *), char); |
|
|
713 | mg->mg_len = 1; /* so mg_free frees mg_ptr */ |
|
|
714 | } |
|
|
715 | else |
|
|
716 | Renew (mg->mg_ptr, |
|
|
717 | sizeof(size_t) + (*(size_t *)mg->mg_ptr + 1) * sizeof(PADLIST *), |
|
|
718 | char); |
610 | |
719 | |
611 | av = (AV *)mg->mg_obj; |
720 | ((PADLIST **)(mg->mg_ptr + sizeof (size_t))) [(*(size_t *)mg->mg_ptr)++] = CvPADLIST (cv); |
612 | |
|
|
613 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
|
|
614 | av_extend (av, AvFILLp (av) + 1); |
|
|
615 | |
|
|
616 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
|
|
617 | } |
721 | } |
618 | |
722 | |
619 | /** load & save, init *******************************************************/ |
723 | /** load & save, init *******************************************************/ |
620 | |
724 | |
|
|
725 | ecb_inline void |
|
|
726 | swap_sv (SV *a, SV *b) |
|
|
727 | { |
|
|
728 | const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */ |
|
|
729 | SV tmp; |
|
|
730 | |
|
|
731 | /* swap sv_any */ |
|
|
732 | SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp); |
|
|
733 | |
|
|
734 | /* swap sv_flags */ |
|
|
735 | SvFLAGS (&tmp) = SvFLAGS (a); |
|
|
736 | SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep); |
|
|
737 | SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep); |
|
|
738 | |
|
|
739 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
740 | /* perl 5.10 and later complicates this _quite_ a bit, but it also |
|
|
741 | * is much faster, so no quarrels here. alternatively, we could |
|
|
742 | * sv_upgrade to avoid this. |
|
|
743 | */ |
|
|
744 | { |
|
|
745 | /* swap sv_u */ |
|
|
746 | tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u; |
|
|
747 | |
|
|
748 | /* if SvANY points to the head, we need to adjust the pointers, |
|
|
749 | * as the pointer for a still points to b, and maybe vice versa. |
|
|
750 | */ |
|
|
751 | U32 svany_in_head_set = (1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV); |
|
|
752 | #if NVSIZE <= IVSIZE && PERL_VERSION_ATLEAST(5,22,0) |
|
|
753 | svany_in_head_set |= 1 << SVt_NV; |
|
|
754 | #endif |
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|
755 | |
|
|
756 | #define svany_in_head(type) (svany_in_head_set & (1 << (type))) |
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|
757 | |
|
|
758 | if (svany_in_head (SvTYPE (a))) |
|
|
759 | SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a); |
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|
760 | |
|
|
761 | if (svany_in_head (SvTYPE (b))) |
|
|
762 | SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b); |
|
|
763 | } |
|
|
764 | #endif |
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|
765 | } |
|
|
766 | |
621 | /* swap sv heads, at least logically */ |
767 | /* swap sv heads, at least logically */ |
622 | static void |
768 | static void |
623 | swap_svs (pTHX_ Coro__State c) |
769 | swap_svs_enter (pTHX_ Coro__State c) |
624 | { |
770 | { |
625 | int i; |
771 | int i; |
626 | |
772 | |
627 | for (i = 0; i <= AvFILLp (c->swap_sv); ) |
773 | for (i = 0; i <= AvFILLp (c->swap_sv); i += 2) |
628 | { |
774 | swap_sv (AvARRAY (c->swap_sv)[i], AvARRAY (c->swap_sv)[i + 1]); |
629 | SV *a = AvARRAY (c->swap_sv)[i++]; |
|
|
630 | SV *b = AvARRAY (c->swap_sv)[i++]; |
|
|
631 | |
|
|
632 | const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */ |
|
|
633 | SV tmp; |
|
|
634 | |
|
|
635 | /* swap sv_any */ |
|
|
636 | SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp); |
|
|
637 | |
|
|
638 | /* swap sv_flags */ |
|
|
639 | SvFLAGS (&tmp) = SvFLAGS (a); |
|
|
640 | SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep); |
|
|
641 | SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep); |
|
|
642 | |
|
|
643 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
644 | /* perl 5.10 complicates this _quite_ a bit, but it also is |
|
|
645 | * much faster, so no quarrels here. alternatively, we could |
|
|
646 | * sv_upgrade to avoid this. |
|
|
647 | */ |
|
|
648 | { |
|
|
649 | /* swap sv_u */ |
|
|
650 | tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u; |
|
|
651 | |
|
|
652 | /* if SvANY points to the head, we need to adjust the pointers, |
|
|
653 | * as the pointer for a still points to b, and maybe vice versa. |
|
|
654 | */ |
|
|
655 | #define svany_in_head(type) \ |
|
|
656 | (((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type))) |
|
|
657 | |
|
|
658 | if (svany_in_head (SvTYPE (a))) |
|
|
659 | SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a); |
|
|
660 | |
|
|
661 | if (svany_in_head (SvTYPE (b))) |
|
|
662 | SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b); |
|
|
663 | } |
|
|
664 | #endif |
|
|
665 | } |
|
|
666 | } |
775 | } |
667 | |
776 | |
|
|
777 | static void |
|
|
778 | swap_svs_leave (pTHX_ Coro__State c) |
|
|
779 | { |
|
|
780 | int i; |
|
|
781 | |
|
|
782 | for (i = AvFILLp (c->swap_sv) - 1; i >= 0; i -= 2) |
|
|
783 | swap_sv (AvARRAY (c->swap_sv)[i], AvARRAY (c->swap_sv)[i + 1]); |
|
|
784 | } |
|
|
785 | |
668 | #define SWAP_SVS(coro) \ |
786 | #define SWAP_SVS_ENTER(coro) \ |
669 | if (expect_false ((coro)->swap_sv)) \ |
787 | if (ecb_expect_false ((coro)->swap_sv)) \ |
670 | swap_svs (aTHX_ (coro)) |
788 | swap_svs_enter (aTHX_ (coro)) |
|
|
789 | |
|
|
790 | #define SWAP_SVS_LEAVE(coro) \ |
|
|
791 | if (ecb_expect_false ((coro)->swap_sv)) \ |
|
|
792 | swap_svs_leave (aTHX_ (coro)) |
671 | |
793 | |
672 | static void |
794 | static void |
673 | on_enterleave_call (pTHX_ SV *cb); |
795 | on_enterleave_call (pTHX_ SV *cb); |
674 | |
796 | |
675 | static void |
797 | static void |
… | |
… | |
678 | perl_slots *slot = c->slot; |
800 | perl_slots *slot = c->slot; |
679 | c->slot = 0; |
801 | c->slot = 0; |
680 | |
802 | |
681 | PL_mainstack = c->mainstack; |
803 | PL_mainstack = c->mainstack; |
682 | |
804 | |
683 | GvSV (PL_defgv) = slot->defsv; |
805 | #if CORO_JIT |
684 | GvAV (PL_defgv) = slot->defav; |
806 | load_perl_slots (slot); |
685 | GvSV (PL_errgv) = slot->errsv; |
807 | #else |
686 | GvSV (irsgv) = slot->irsgv; |
|
|
687 | GvHV (PL_hintgv) = slot->hinthv; |
|
|
688 | |
|
|
689 | #define VAR(name,type) PL_ ## name = slot->name; |
808 | #define VARx(name,expr,type) expr = slot->name; |
690 | # include "state.h" |
809 | #include "state.h" |
691 | #undef VAR |
810 | #endif |
692 | |
811 | |
693 | { |
812 | { |
694 | dSP; |
813 | dSP; |
695 | |
814 | |
696 | CV *cv; |
815 | CV *cv; |
697 | |
816 | |
698 | /* now do the ugly restore mess */ |
817 | /* now do the ugly restore mess */ |
699 | while (expect_true (cv = (CV *)POPs)) |
818 | while (ecb_expect_true (cv = (CV *)POPs)) |
700 | { |
819 | { |
701 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
820 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
702 | CvDEPTH (cv) = PTR2IV (POPs); |
821 | CvDEPTH (cv) = PTR2IV (POPs); |
703 | CvPADLIST (cv) = (AV *)POPs; |
822 | CvPADLIST (cv) = (PADLIST *)POPs; |
704 | } |
823 | } |
705 | |
824 | |
706 | PUTBACK; |
825 | PUTBACK; |
707 | } |
826 | } |
708 | |
827 | |
709 | slf_frame = c->slf_frame; |
828 | slf_frame = c->slf_frame; |
710 | CORO_THROW = c->except; |
829 | CORO_THROW = c->except; |
711 | |
830 | |
712 | if (expect_false (enable_times)) |
831 | if (ecb_expect_false (enable_times)) |
713 | { |
832 | { |
714 | if (expect_false (!times_valid)) |
833 | if (ecb_expect_false (!times_valid)) |
715 | coro_times_update (); |
834 | coro_times_update (); |
716 | |
835 | |
717 | coro_times_sub (c); |
836 | coro_times_sub (c); |
718 | } |
837 | } |
719 | |
838 | |
720 | if (expect_false (c->on_enter)) |
839 | if (ecb_expect_false (c->on_enter)) |
721 | { |
840 | { |
722 | int i; |
841 | int i; |
723 | |
842 | |
724 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
843 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
725 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
844 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
726 | } |
845 | } |
727 | |
846 | |
|
|
847 | if (ecb_expect_false (c->on_enter_xs)) |
|
|
848 | { |
|
|
849 | int i; |
|
|
850 | |
|
|
851 | for (i = 0; i <= AvFILLp (c->on_enter_xs); i += 2) |
|
|
852 | ((coro_enterleave_hook)AvARRAY (c->on_enter_xs)[i]) (aTHX_ AvARRAY (c->on_enter_xs)[i + 1]); |
|
|
853 | } |
|
|
854 | |
728 | SWAP_SVS (c); |
855 | SWAP_SVS_ENTER (c); |
729 | } |
856 | } |
730 | |
857 | |
731 | static void |
858 | static void |
732 | save_perl (pTHX_ Coro__State c) |
859 | save_perl (pTHX_ Coro__State c) |
733 | { |
860 | { |
734 | SWAP_SVS (c); |
861 | SWAP_SVS_LEAVE (c); |
735 | |
862 | |
|
|
863 | if (ecb_expect_false (c->on_leave_xs)) |
|
|
864 | { |
|
|
865 | int i; |
|
|
866 | |
|
|
867 | for (i = AvFILLp (c->on_leave_xs) - 1; i >= 0; i -= 2) |
|
|
868 | ((coro_enterleave_hook)AvARRAY (c->on_leave_xs)[i]) (aTHX_ AvARRAY (c->on_leave_xs)[i + 1]); |
|
|
869 | } |
|
|
870 | |
736 | if (expect_false (c->on_leave)) |
871 | if (ecb_expect_false (c->on_leave)) |
737 | { |
872 | { |
738 | int i; |
873 | int i; |
739 | |
874 | |
740 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
875 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
741 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
876 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
742 | } |
877 | } |
743 | |
878 | |
744 | times_valid = 0; |
879 | times_valid = 0; |
745 | |
880 | |
746 | if (expect_false (enable_times)) |
881 | if (ecb_expect_false (enable_times)) |
747 | { |
882 | { |
748 | coro_times_update (); times_valid = 1; |
883 | coro_times_update (); times_valid = 1; |
749 | coro_times_add (c); |
884 | coro_times_add (c); |
750 | } |
885 | } |
751 | |
886 | |
… | |
… | |
765 | |
900 | |
766 | XPUSHs (Nullsv); |
901 | XPUSHs (Nullsv); |
767 | /* this loop was inspired by pp_caller */ |
902 | /* this loop was inspired by pp_caller */ |
768 | for (;;) |
903 | for (;;) |
769 | { |
904 | { |
770 | while (expect_true (cxix >= 0)) |
905 | while (ecb_expect_true (cxix >= 0)) |
771 | { |
906 | { |
772 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
907 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
773 | |
908 | |
774 | if (expect_true (CxTYPE (cx) == CXt_SUB) || expect_false (CxTYPE (cx) == CXt_FORMAT)) |
909 | if (ecb_expect_true (CxTYPE (cx) == CXt_SUB) || ecb_expect_false (CxTYPE (cx) == CXt_FORMAT)) |
775 | { |
910 | { |
776 | CV *cv = cx->blk_sub.cv; |
911 | CV *cv = cx->blk_sub.cv; |
777 | |
912 | |
778 | if (expect_true (CvDEPTH (cv))) |
913 | if (ecb_expect_true (CvDEPTH (cv))) |
779 | { |
914 | { |
780 | EXTEND (SP, 3); |
915 | EXTEND (SP, 3); |
781 | PUSHs ((SV *)CvPADLIST (cv)); |
916 | PUSHs ((SV *)CvPADLIST (cv)); |
782 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
917 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
783 | PUSHs ((SV *)cv); |
918 | PUSHs ((SV *)cv); |
… | |
… | |
786 | get_padlist (aTHX_ cv); |
921 | get_padlist (aTHX_ cv); |
787 | } |
922 | } |
788 | } |
923 | } |
789 | } |
924 | } |
790 | |
925 | |
791 | if (expect_true (top_si->si_type == PERLSI_MAIN)) |
926 | if (ecb_expect_true (top_si->si_type == PERLSI_MAIN)) |
792 | break; |
927 | break; |
793 | |
928 | |
794 | top_si = top_si->si_prev; |
929 | top_si = top_si->si_prev; |
795 | ccstk = top_si->si_cxstack; |
930 | ccstk = top_si->si_cxstack; |
796 | cxix = top_si->si_cxix; |
931 | cxix = top_si->si_cxix; |
… | |
… | |
798 | |
933 | |
799 | PUTBACK; |
934 | PUTBACK; |
800 | } |
935 | } |
801 | |
936 | |
802 | /* allocate some space on the context stack for our purposes */ |
937 | /* allocate some space on the context stack for our purposes */ |
803 | /* we manually unroll here, as usually 2 slots is enough */ |
938 | if (ecb_expect_false (cxstack_ix + (int)SLOT_COUNT >= cxstack_max)) |
804 | if (SLOT_COUNT >= 1) CXINC; |
|
|
805 | if (SLOT_COUNT >= 2) CXINC; |
|
|
806 | if (SLOT_COUNT >= 3) CXINC; |
|
|
807 | { |
939 | { |
808 | unsigned int i; |
940 | unsigned int i; |
|
|
941 | |
809 | for (i = 3; i < SLOT_COUNT; ++i) |
942 | for (i = 0; i < SLOT_COUNT; ++i) |
810 | CXINC; |
943 | CXINC; |
811 | } |
944 | |
812 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
945 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
|
|
946 | } |
813 | |
947 | |
814 | c->mainstack = PL_mainstack; |
948 | c->mainstack = PL_mainstack; |
815 | |
949 | |
816 | { |
950 | { |
817 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
951 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
818 | |
952 | |
819 | slot->defav = GvAV (PL_defgv); |
953 | #if CORO_JIT |
820 | slot->defsv = DEFSV; |
954 | save_perl_slots (slot); |
821 | slot->errsv = ERRSV; |
955 | #else |
822 | slot->irsgv = GvSV (irsgv); |
|
|
823 | slot->hinthv = GvHV (PL_hintgv); |
|
|
824 | |
|
|
825 | #define VAR(name,type) slot->name = PL_ ## name; |
956 | #define VARx(name,expr,type) slot->name = expr; |
826 | # include "state.h" |
957 | #include "state.h" |
827 | #undef VAR |
958 | #endif |
828 | } |
959 | } |
829 | } |
960 | } |
830 | |
961 | |
831 | /* |
962 | /* |
832 | * allocate various perl stacks. This is almost an exact copy |
963 | * allocate various perl stacks. This is almost an exact copy |
… | |
… | |
838 | # define coro_init_stacks(thx) init_stacks () |
969 | # define coro_init_stacks(thx) init_stacks () |
839 | #else |
970 | #else |
840 | static void |
971 | static void |
841 | coro_init_stacks (pTHX) |
972 | coro_init_stacks (pTHX) |
842 | { |
973 | { |
843 | PL_curstackinfo = new_stackinfo(32, 8); |
974 | PL_curstackinfo = new_stackinfo(32, 4 + SLOT_COUNT); /* 3 is minimum due to perl rounding down in scope.c:GROW() */ |
844 | PL_curstackinfo->si_type = PERLSI_MAIN; |
975 | PL_curstackinfo->si_type = PERLSI_MAIN; |
845 | PL_curstack = PL_curstackinfo->si_stack; |
976 | PL_curstack = PL_curstackinfo->si_stack; |
846 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
977 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
847 | |
978 | |
848 | PL_stack_base = AvARRAY(PL_curstack); |
979 | PL_stack_base = AvARRAY(PL_curstack); |
… | |
… | |
863 | #endif |
994 | #endif |
864 | |
995 | |
865 | New(54,PL_scopestack,8,I32); |
996 | New(54,PL_scopestack,8,I32); |
866 | PL_scopestack_ix = 0; |
997 | PL_scopestack_ix = 0; |
867 | PL_scopestack_max = 8; |
998 | PL_scopestack_max = 8; |
|
|
999 | #if HAS_SCOPESTACK_NAME |
|
|
1000 | New(54,PL_scopestack_name,8,const char*); |
|
|
1001 | #endif |
868 | |
1002 | |
869 | New(54,PL_savestack,24,ANY); |
1003 | New(54,PL_savestack,24,ANY); |
870 | PL_savestack_ix = 0; |
1004 | PL_savestack_ix = 0; |
871 | PL_savestack_max = 24; |
1005 | PL_savestack_max = 24; |
|
|
1006 | #if PERL_VERSION_ATLEAST (5,24,0) |
|
|
1007 | /* perl 5.24 moves SS_MAXPUSH optimisation from */ |
|
|
1008 | /* the header macros to PL_savestack_max */ |
|
|
1009 | PL_savestack_max -= SS_MAXPUSH; |
|
|
1010 | #endif |
872 | |
1011 | |
873 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1012 | #if !PERL_VERSION_ATLEAST (5,10,0) |
874 | New(54,PL_retstack,4,OP*); |
1013 | New(54,PL_retstack,4,OP*); |
875 | PL_retstack_ix = 0; |
1014 | PL_retstack_ix = 0; |
876 | PL_retstack_max = 4; |
1015 | PL_retstack_max = 4; |
… | |
… | |
900 | } |
1039 | } |
901 | |
1040 | |
902 | Safefree (PL_tmps_stack); |
1041 | Safefree (PL_tmps_stack); |
903 | Safefree (PL_markstack); |
1042 | Safefree (PL_markstack); |
904 | Safefree (PL_scopestack); |
1043 | Safefree (PL_scopestack); |
|
|
1044 | #if HAS_SCOPESTACK_NAME |
|
|
1045 | Safefree (PL_scopestack_name); |
|
|
1046 | #endif |
905 | Safefree (PL_savestack); |
1047 | Safefree (PL_savestack); |
906 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1048 | #if !PERL_VERSION_ATLEAST (5,10,0) |
907 | Safefree (PL_retstack); |
1049 | Safefree (PL_retstack); |
908 | #endif |
1050 | #endif |
909 | } |
1051 | } |
… | |
… | |
939 | } |
1081 | } |
940 | |
1082 | |
941 | return rss; |
1083 | return rss; |
942 | } |
1084 | } |
943 | |
1085 | |
944 | /** coroutine stack handling ************************************************/ |
1086 | /** provide custom get/set/clear methods for %SIG elements ******************/ |
945 | |
|
|
946 | static int (*orig_sigelem_get) (pTHX_ SV *sv, MAGIC *mg); |
|
|
947 | static int (*orig_sigelem_set) (pTHX_ SV *sv, MAGIC *mg); |
|
|
948 | static int (*orig_sigelem_clr) (pTHX_ SV *sv, MAGIC *mg); |
|
|
949 | |
1087 | |
950 | /* apparently < 5.8.8 */ |
1088 | /* apparently < 5.8.8 */ |
951 | #ifndef MgPV_nolen_const |
1089 | #ifndef MgPV_nolen_const |
952 | #define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \ |
1090 | #define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \ |
953 | SvPV_nolen((SV*)((mg)->mg_ptr)) : \ |
1091 | SvPV_nolen((SV*)((mg)->mg_ptr)) : \ |
954 | (const char*)(mg)->mg_ptr) |
1092 | (const char*)(mg)->mg_ptr) |
955 | #endif |
1093 | #endif |
956 | |
1094 | |
|
|
1095 | /* this will be a patched copy of PL_vtbl_sigelem */ |
|
|
1096 | static MGVTBL coro_sigelem_vtbl; |
|
|
1097 | |
|
|
1098 | static int ecb_cold |
|
|
1099 | coro_sig_copy (pTHX_ SV *sv, MAGIC *mg, SV *nsv, const char *name, I32 namlen) |
|
|
1100 | { |
|
|
1101 | char *key = SvPV_nolen ((SV *)name); |
|
|
1102 | |
|
|
1103 | /* do what mg_copy normally does */ |
|
|
1104 | sv_magic (nsv, mg->mg_obj, PERL_MAGIC_sigelem, name, namlen); |
|
|
1105 | assert (mg_find (nsv, PERL_MAGIC_sigelem)->mg_virtual == &PL_vtbl_sigelem); |
|
|
1106 | |
|
|
1107 | /* patch sigelem vtbl, but only for __WARN__ and __DIE__ */ |
|
|
1108 | if (*key == '_' |
|
|
1109 | && (strEQ (key, "__DIE__") |
|
|
1110 | || strEQ (key, "__WARN__"))) |
|
|
1111 | mg_find (nsv, PERL_MAGIC_sigelem)->mg_virtual = &coro_sigelem_vtbl; |
|
|
1112 | |
|
|
1113 | return 1; |
|
|
1114 | } |
|
|
1115 | |
|
|
1116 | /* perl does not have a %SIG vtbl, we provide one so we can override */ |
|
|
1117 | /* the magic vtbl for the __DIE__ and __WARN__ members */ |
|
|
1118 | static const MGVTBL coro_sig_vtbl = { |
|
|
1119 | 0, 0, 0, 0, 0, |
|
|
1120 | coro_sig_copy |
|
|
1121 | }; |
|
|
1122 | |
957 | /* |
1123 | /* |
958 | * This overrides the default magic get method of %SIG elements. |
1124 | * This overrides the default magic get method of %SIG elements. |
959 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
1125 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
960 | * and instead of trying to save and restore the hash elements, we just provide |
1126 | * and instead of trying to save and restore the hash elements (extremely slow), |
961 | * readback here. |
1127 | * we just provide our own readback here. |
962 | */ |
1128 | */ |
963 | static int |
1129 | static int ecb_cold |
964 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
1130 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
965 | { |
1131 | { |
966 | const char *s = MgPV_nolen_const (mg); |
1132 | const char *s = MgPV_nolen_const (mg); |
|
|
1133 | /* the key must be either __DIE__ or __WARN__ here */ |
|
|
1134 | SV **svp = s[2] == 'D' ? &PL_diehook : &PL_warnhook; |
967 | |
1135 | |
968 | if (*s == '_') |
1136 | SV *ssv; |
969 | { |
|
|
970 | SV **svp = 0; |
|
|
971 | |
1137 | |
972 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
|
|
973 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
|
|
974 | |
|
|
975 | if (svp) |
1138 | if (!*svp) |
976 | { |
1139 | ssv = &PL_sv_undef; |
977 | sv_setsv (sv, *svp ? *svp : &PL_sv_undef); |
1140 | else if (SvTYPE (*svp) == SVt_PVCV) /* perlio directly stores a CV in warnhook. ugh. */ |
978 | return 0; |
1141 | ssv = sv_2mortal (newRV_inc (*svp)); |
979 | } |
1142 | else |
980 | } |
1143 | ssv = *svp; |
981 | |
1144 | |
982 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
1145 | sv_setsv (sv, ssv); |
|
|
1146 | return 0; |
983 | } |
1147 | } |
984 | |
1148 | |
985 | static int |
1149 | static int ecb_cold |
986 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
1150 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
987 | { |
1151 | { |
988 | const char *s = MgPV_nolen_const (mg); |
1152 | const char *s = MgPV_nolen_const (mg); |
|
|
1153 | /* the key must be either __DIE__ or __WARN__ here */ |
|
|
1154 | SV **svp = s[2] == 'D' ? &PL_diehook : &PL_warnhook; |
989 | |
1155 | |
990 | if (*s == '_') |
|
|
991 | { |
|
|
992 | SV **svp = 0; |
|
|
993 | |
|
|
994 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
|
|
995 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
|
|
996 | |
|
|
997 | if (svp) |
|
|
998 | { |
|
|
999 | SV *old = *svp; |
1156 | SV *old = *svp; |
1000 | *svp = 0; |
1157 | *svp = 0; |
1001 | SvREFCNT_dec (old); |
1158 | SvREFCNT_dec (old); |
1002 | return 0; |
1159 | return 0; |
1003 | } |
|
|
1004 | } |
|
|
1005 | |
|
|
1006 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
|
|
1007 | } |
1160 | } |
1008 | |
1161 | |
1009 | static int |
1162 | static int ecb_cold |
1010 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
1163 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
1011 | { |
1164 | { |
1012 | const char *s = MgPV_nolen_const (mg); |
1165 | const char *s = MgPV_nolen_const (mg); |
|
|
1166 | /* the key must be either __DIE__ or __WARN__ here */ |
|
|
1167 | SV **svp = s[2] == 'D' ? &PL_diehook : &PL_warnhook; |
1013 | |
1168 | |
1014 | if (*s == '_') |
|
|
1015 | { |
|
|
1016 | SV **svp = 0; |
|
|
1017 | |
|
|
1018 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
|
|
1019 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
|
|
1020 | |
|
|
1021 | if (svp) |
|
|
1022 | { |
|
|
1023 | SV *old = *svp; |
1169 | SV *old = *svp; |
1024 | *svp = SvOK (sv) ? newSVsv (sv) : 0; |
1170 | *svp = SvOK (sv) ? newSVsv (sv) : 0; |
1025 | SvREFCNT_dec (old); |
1171 | SvREFCNT_dec (old); |
1026 | return 0; |
1172 | return 0; |
1027 | } |
|
|
1028 | } |
|
|
1029 | |
|
|
1030 | return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0; |
|
|
1031 | } |
1173 | } |
1032 | |
1174 | |
1033 | static void |
1175 | static void |
1034 | prepare_nop (pTHX_ struct coro_transfer_args *ta) |
1176 | prepare_nop (pTHX_ struct coro_transfer_args *ta) |
1035 | { |
1177 | { |
… | |
… | |
1047 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
1189 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
1048 | { |
1190 | { |
1049 | return 1; |
1191 | return 1; |
1050 | } |
1192 | } |
1051 | |
1193 | |
|
|
1194 | /** coroutine stack handling ************************************************/ |
|
|
1195 | |
1052 | static UNOP init_perl_op; |
1196 | static UNOP init_perl_op; |
1053 | |
1197 | |
1054 | static void NOINLINE /* noinline to keep it out of the transfer fast path */ |
1198 | ecb_noinline static void /* noinline to keep it out of the transfer fast path */ |
1055 | init_perl (pTHX_ struct coro *coro) |
1199 | init_perl (pTHX_ struct coro *coro) |
1056 | { |
1200 | { |
1057 | /* |
1201 | /* |
1058 | * emulate part of the perl startup here. |
1202 | * emulate part of the perl startup here. |
1059 | */ |
1203 | */ |
… | |
… | |
1074 | PL_parser = 0; |
1218 | PL_parser = 0; |
1075 | #endif |
1219 | #endif |
1076 | PL_hints = 0; |
1220 | PL_hints = 0; |
1077 | |
1221 | |
1078 | /* recreate the die/warn hooks */ |
1222 | /* recreate the die/warn hooks */ |
1079 | PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); |
1223 | PL_diehook = SvREFCNT_inc (rv_diehook); |
1080 | PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook); |
1224 | PL_warnhook = SvREFCNT_inc (rv_warnhook); |
1081 | |
1225 | |
1082 | GvSV (PL_defgv) = newSV (0); |
1226 | GvSV (PL_defgv) = newSV (0); |
1083 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1227 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1084 | GvSV (PL_errgv) = newSV (0); |
1228 | GvSV (PL_errgv) = newSV (0); |
1085 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
1229 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
1086 | GvHV (PL_hintgv) = 0; |
1230 | GvHV (PL_hintgv) = newHV (); |
|
|
1231 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
1232 | hv_magic (GvHV (PL_hintgv), 0, PERL_MAGIC_hints); |
|
|
1233 | #endif |
1087 | PL_rs = newSVsv (GvSV (irsgv)); |
1234 | PL_rs = newSVsv (GvSV (irsgv)); |
1088 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
1235 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
1089 | |
1236 | |
1090 | { |
1237 | { |
1091 | dSP; |
1238 | dSP; |
… | |
… | |
1095 | myop.op_next = Nullop; |
1242 | myop.op_next = Nullop; |
1096 | myop.op_type = OP_ENTERSUB; |
1243 | myop.op_type = OP_ENTERSUB; |
1097 | myop.op_flags = OPf_WANT_VOID; |
1244 | myop.op_flags = OPf_WANT_VOID; |
1098 | |
1245 | |
1099 | PUSHMARK (SP); |
1246 | PUSHMARK (SP); |
1100 | PUSHs ((SV *)coro->startcv); |
1247 | XPUSHs ((SV *)coro->startcv); |
1101 | PUTBACK; |
1248 | PUTBACK; |
1102 | PL_op = (OP *)&myop; |
1249 | PL_op = (OP *)&myop; |
1103 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
1250 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
1104 | } |
1251 | } |
1105 | |
1252 | |
1106 | /* this newly created coroutine might be run on an existing cctx which most |
1253 | /* this newly created coroutine might be run on an existing cctx which most |
1107 | * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. |
1254 | * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. |
1108 | */ |
1255 | */ |
1109 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
1256 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
1110 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
1257 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
|
|
1258 | slf_frame.destroy = 0; |
1111 | |
1259 | |
1112 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
1260 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
1113 | init_perl_op.op_next = PL_op; |
1261 | init_perl_op.op_next = PL_op; |
1114 | init_perl_op.op_type = OP_ENTERSUB; |
1262 | init_perl_op.op_type = OP_ENTERSUB; |
1115 | init_perl_op.op_ppaddr = pp_slf; |
1263 | init_perl_op.op_ppaddr = pp_slf; |
… | |
… | |
1118 | PL_op = (OP *)&init_perl_op; |
1266 | PL_op = (OP *)&init_perl_op; |
1119 | |
1267 | |
1120 | /* copy throw, in case it was set before init_perl */ |
1268 | /* copy throw, in case it was set before init_perl */ |
1121 | CORO_THROW = coro->except; |
1269 | CORO_THROW = coro->except; |
1122 | |
1270 | |
1123 | SWAP_SVS (coro); |
1271 | SWAP_SVS_ENTER (coro); |
1124 | |
1272 | |
1125 | if (expect_false (enable_times)) |
1273 | if (ecb_expect_false (enable_times)) |
1126 | { |
1274 | { |
1127 | coro_times_update (); |
1275 | coro_times_update (); |
1128 | coro_times_sub (coro); |
1276 | coro_times_sub (coro); |
1129 | } |
1277 | } |
1130 | } |
1278 | } |
… | |
… | |
1154 | destroy_perl (pTHX_ struct coro *coro) |
1302 | destroy_perl (pTHX_ struct coro *coro) |
1155 | { |
1303 | { |
1156 | SV *svf [9]; |
1304 | SV *svf [9]; |
1157 | |
1305 | |
1158 | { |
1306 | { |
|
|
1307 | SV *old_current = SvRV (coro_current); |
1159 | struct coro *current = SvSTATE_current; |
1308 | struct coro *current = SvSTATE (old_current); |
1160 | |
1309 | |
1161 | assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack)); |
1310 | assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack)); |
1162 | |
1311 | |
1163 | save_perl (aTHX_ current); |
1312 | save_perl (aTHX_ current); |
|
|
1313 | |
|
|
1314 | /* this will cause transfer_check to croak on block*/ |
1164 | /*SvRV_set (coro_current, (SV *)coro->hv);*/ |
1315 | SvRV_set (coro_current, (SV *)coro->hv); |
|
|
1316 | |
1165 | load_perl (aTHX_ coro); |
1317 | load_perl (aTHX_ coro); |
1166 | |
1318 | |
|
|
1319 | /* restore swapped sv's */ |
|
|
1320 | SWAP_SVS_LEAVE (coro); |
|
|
1321 | |
1167 | coro_unwind_stacks (aTHX); |
1322 | coro_unwind_stacks (aTHX); |
|
|
1323 | |
1168 | coro_destruct_stacks (aTHX); |
1324 | coro_destruct_stacks (aTHX); |
1169 | |
1325 | |
1170 | /* restore swapped sv's */ |
|
|
1171 | SWAP_SVS (coro); |
|
|
1172 | |
|
|
1173 | // now save some sv's to be free'd later |
1326 | /* now save some sv's to be free'd later */ |
1174 | svf [0] = GvSV (PL_defgv); |
1327 | svf [0] = GvSV (PL_defgv); |
1175 | svf [1] = (SV *)GvAV (PL_defgv); |
1328 | svf [1] = (SV *)GvAV (PL_defgv); |
1176 | svf [2] = GvSV (PL_errgv); |
1329 | svf [2] = GvSV (PL_errgv); |
1177 | svf [3] = (SV *)PL_defoutgv; |
1330 | svf [3] = (SV *)PL_defoutgv; |
1178 | svf [4] = PL_rs; |
1331 | svf [4] = PL_rs; |
… | |
… | |
1180 | svf [6] = (SV *)GvHV (PL_hintgv); |
1333 | svf [6] = (SV *)GvHV (PL_hintgv); |
1181 | svf [7] = PL_diehook; |
1334 | svf [7] = PL_diehook; |
1182 | svf [8] = PL_warnhook; |
1335 | svf [8] = PL_warnhook; |
1183 | assert (9 == sizeof (svf) / sizeof (*svf)); |
1336 | assert (9 == sizeof (svf) / sizeof (*svf)); |
1184 | |
1337 | |
1185 | /*SvRV_set (coro_current, (SV *)current->hv);*/ |
1338 | SvRV_set (coro_current, old_current); |
|
|
1339 | |
1186 | load_perl (aTHX_ current); |
1340 | load_perl (aTHX_ current); |
1187 | } |
1341 | } |
1188 | |
1342 | |
1189 | { |
1343 | { |
1190 | unsigned int i; |
1344 | unsigned int i; |
… | |
… | |
1194 | |
1348 | |
1195 | SvREFCNT_dec (coro->saved_deffh); |
1349 | SvREFCNT_dec (coro->saved_deffh); |
1196 | SvREFCNT_dec (coro->rouse_cb); |
1350 | SvREFCNT_dec (coro->rouse_cb); |
1197 | SvREFCNT_dec (coro->invoke_cb); |
1351 | SvREFCNT_dec (coro->invoke_cb); |
1198 | SvREFCNT_dec (coro->invoke_av); |
1352 | SvREFCNT_dec (coro->invoke_av); |
|
|
1353 | SvREFCNT_dec (coro->on_enter_xs); |
|
|
1354 | SvREFCNT_dec (coro->on_leave_xs); |
1199 | } |
1355 | } |
1200 | } |
1356 | } |
1201 | |
1357 | |
1202 | INLINE void |
1358 | ecb_inline void |
1203 | free_coro_mortal (pTHX) |
1359 | free_coro_mortal (pTHX) |
1204 | { |
1360 | { |
1205 | if (expect_true (coro_mortal)) |
1361 | if (ecb_expect_true (coro_mortal)) |
1206 | { |
1362 | { |
1207 | SvREFCNT_dec (coro_mortal); |
1363 | SvREFCNT_dec ((SV *)coro_mortal); |
1208 | coro_mortal = 0; |
1364 | coro_mortal = 0; |
1209 | } |
1365 | } |
1210 | } |
1366 | } |
1211 | |
1367 | |
1212 | static int |
1368 | static int |
… | |
… | |
1244 | av_push (av, SvREFCNT_inc_NN (*bot++)); |
1400 | av_push (av, SvREFCNT_inc_NN (*bot++)); |
1245 | |
1401 | |
1246 | PL_runops = RUNOPS_DEFAULT; |
1402 | PL_runops = RUNOPS_DEFAULT; |
1247 | ENTER; |
1403 | ENTER; |
1248 | SAVETMPS; |
1404 | SAVETMPS; |
|
|
1405 | PUSHMARK (SP); |
1249 | EXTEND (SP, 3); |
1406 | EXTEND (SP, 3); |
1250 | PUSHMARK (SP); |
|
|
1251 | PUSHs (&PL_sv_no); |
1407 | PUSHs (&PL_sv_no); |
1252 | PUSHs (fullname); |
1408 | PUSHs (fullname); |
1253 | PUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
1409 | PUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
1254 | PUTBACK; |
1410 | PUTBACK; |
1255 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
1411 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
… | |
… | |
1266 | |
1422 | |
1267 | if (PL_curcop != &PL_compiling) |
1423 | if (PL_curcop != &PL_compiling) |
1268 | { |
1424 | { |
1269 | SV **cb; |
1425 | SV **cb; |
1270 | |
1426 | |
1271 | if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB) |
1427 | if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB && cxstack_ix >= 0) |
1272 | { |
1428 | { |
1273 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1429 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1274 | |
1430 | |
1275 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
1431 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
1276 | { |
1432 | { |
… | |
… | |
1282 | gv_efullname3 (fullname, gv, 0); |
1438 | gv_efullname3 (fullname, gv, 0); |
1283 | |
1439 | |
1284 | PL_runops = RUNOPS_DEFAULT; |
1440 | PL_runops = RUNOPS_DEFAULT; |
1285 | ENTER; |
1441 | ENTER; |
1286 | SAVETMPS; |
1442 | SAVETMPS; |
|
|
1443 | PUSHMARK (SP); |
1287 | EXTEND (SP, 3); |
1444 | EXTEND (SP, 3); |
1288 | PUSHMARK (SP); |
|
|
1289 | PUSHs (&PL_sv_yes); |
1445 | PUSHs (&PL_sv_yes); |
1290 | PUSHs (fullname); |
1446 | PUSHs (fullname); |
1291 | PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef); |
1447 | PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc (SUB_ARGARRAY)) : &PL_sv_undef); |
1292 | PUTBACK; |
1448 | PUTBACK; |
1293 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
1449 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
1294 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
1450 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
1295 | SPAGAIN; |
1451 | SPAGAIN; |
1296 | FREETMPS; |
1452 | FREETMPS; |
… | |
… | |
1306 | dSP; |
1462 | dSP; |
1307 | |
1463 | |
1308 | PL_runops = RUNOPS_DEFAULT; |
1464 | PL_runops = RUNOPS_DEFAULT; |
1309 | ENTER; |
1465 | ENTER; |
1310 | SAVETMPS; |
1466 | SAVETMPS; |
1311 | EXTEND (SP, 3); |
|
|
1312 | PL_runops = RUNOPS_DEFAULT; |
|
|
1313 | PUSHMARK (SP); |
1467 | PUSHMARK (SP); |
|
|
1468 | EXTEND (SP, 2); |
1314 | PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0))); |
1469 | PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0))); |
1315 | PUSHs (sv_2mortal (newSViv (CopLINE (oldcop)))); |
1470 | PUSHs (sv_2mortal (newSViv (CopLINE (oldcop)))); |
1316 | PUTBACK; |
1471 | PUTBACK; |
1317 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_line_cb", sizeof ("_trace_line_cb") - 1, 0); |
1472 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_line_cb", sizeof ("_trace_line_cb") - 1, 0); |
1318 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
1473 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
… | |
… | |
1345 | |
1500 | |
1346 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1501 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1347 | } |
1502 | } |
1348 | |
1503 | |
1349 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1504 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1350 | static void NOINLINE |
1505 | static void ecb_noinline |
1351 | cctx_prepare (pTHX) |
1506 | cctx_prepare (pTHX) |
1352 | { |
1507 | { |
1353 | PL_top_env = &PL_start_env; |
1508 | PL_top_env = &PL_start_env; |
1354 | |
1509 | |
1355 | if (cctx_current->flags & CC_TRACE) |
1510 | if (cctx_current->flags & CC_TRACE) |
… | |
… | |
1366 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1521 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1367 | slf_frame.check = slf_check_set_stacklevel; |
1522 | slf_frame.check = slf_check_set_stacklevel; |
1368 | } |
1523 | } |
1369 | |
1524 | |
1370 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1525 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1371 | INLINE void |
1526 | ecb_inline void |
1372 | transfer_tail (pTHX) |
1527 | transfer_tail (pTHX) |
1373 | { |
1528 | { |
1374 | free_coro_mortal (aTHX); |
1529 | free_coro_mortal (aTHX); |
|
|
1530 | } |
|
|
1531 | |
|
|
1532 | /* try to exit the same way perl's main function would do */ |
|
|
1533 | /* we do not bother resetting the environment or other things *7 |
|
|
1534 | /* that are not, uhm, essential */ |
|
|
1535 | /* this obviously also doesn't work when perl is embedded */ |
|
|
1536 | static void ecb_noinline ecb_cold |
|
|
1537 | perlish_exit (pTHX) |
|
|
1538 | { |
|
|
1539 | int exitstatus = perl_destruct (PL_curinterp); |
|
|
1540 | perl_free (PL_curinterp); |
|
|
1541 | exit (exitstatus); |
1375 | } |
1542 | } |
1376 | |
1543 | |
1377 | /* |
1544 | /* |
1378 | * this is a _very_ stripped down perl interpreter ;) |
1545 | * this is a _very_ stripped down perl interpreter ;) |
1379 | */ |
1546 | */ |
… | |
… | |
1406 | * coro body here, as perl_run destroys these. Likewise, we cannot catch |
1573 | * coro body here, as perl_run destroys these. Likewise, we cannot catch |
1407 | * runtime errors here, as this is just a random interpreter, not a thread. |
1574 | * runtime errors here, as this is just a random interpreter, not a thread. |
1408 | */ |
1575 | */ |
1409 | |
1576 | |
1410 | /* |
1577 | /* |
|
|
1578 | * pp_entersub in 5.24 no longer ENTERs, but perl_destruct |
|
|
1579 | * requires PL_scopestack_ix, so do it here if required. |
|
|
1580 | */ |
|
|
1581 | if (!PL_scopestack_ix) |
|
|
1582 | ENTER; |
|
|
1583 | |
|
|
1584 | /* |
1411 | * If perl-run returns we assume exit() was being called or the coro |
1585 | * If perl-run returns we assume exit() was being called or the coro |
1412 | * fell off the end, which seems to be the only valid (non-bug) |
1586 | * fell off the end, which seems to be the only valid (non-bug) |
1413 | * reason for perl_run to return. We try to exit by jumping to the |
1587 | * reason for perl_run to return. We try to mimic whatever perl is normally |
1414 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
1588 | * doing in that case. YMMV. |
1415 | * coroutine as Coro has no such concept. |
|
|
1416 | * This actually isn't valid with the pthread backend, but OSes requiring |
|
|
1417 | * that backend are too broken to do it in a standards-compliant way. |
|
|
1418 | */ |
1589 | */ |
1419 | PL_top_env = main_top_env; |
1590 | perlish_exit (aTHX); |
1420 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
|
|
1421 | } |
1591 | } |
1422 | } |
1592 | } |
1423 | |
1593 | |
1424 | static coro_cctx * |
1594 | static coro_cctx * |
1425 | cctx_new () |
1595 | cctx_new (void) |
1426 | { |
1596 | { |
1427 | coro_cctx *cctx; |
1597 | coro_cctx *cctx; |
1428 | |
1598 | |
1429 | ++cctx_count; |
1599 | ++cctx_count; |
1430 | New (0, cctx, 1, coro_cctx); |
1600 | New (0, cctx, 1, coro_cctx); |
… | |
… | |
1436 | return cctx; |
1606 | return cctx; |
1437 | } |
1607 | } |
1438 | |
1608 | |
1439 | /* create a new cctx only suitable as source */ |
1609 | /* create a new cctx only suitable as source */ |
1440 | static coro_cctx * |
1610 | static coro_cctx * |
1441 | cctx_new_empty () |
1611 | cctx_new_empty (void) |
1442 | { |
1612 | { |
1443 | coro_cctx *cctx = cctx_new (); |
1613 | coro_cctx *cctx = cctx_new (); |
1444 | |
1614 | |
1445 | cctx->sptr = 0; |
1615 | cctx->stack.sptr = 0; |
1446 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
1616 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
1447 | |
1617 | |
1448 | return cctx; |
1618 | return cctx; |
1449 | } |
1619 | } |
1450 | |
1620 | |
1451 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1621 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1452 | static coro_cctx * |
1622 | static coro_cctx * |
1453 | cctx_new_run () |
1623 | cctx_new_run (void) |
1454 | { |
1624 | { |
1455 | coro_cctx *cctx = cctx_new (); |
1625 | coro_cctx *cctx = cctx_new (); |
1456 | void *stack_start; |
|
|
1457 | size_t stack_size; |
|
|
1458 | |
1626 | |
1459 | #if HAVE_MMAP |
1627 | if (!coro_stack_alloc (&cctx->stack, cctx_stacksize)) |
1460 | cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
|
|
1461 | /* mmap supposedly does allocate-on-write for us */ |
|
|
1462 | cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
|
|
1463 | |
|
|
1464 | if (cctx->sptr != (void *)-1) |
|
|
1465 | { |
|
|
1466 | #if CORO_STACKGUARD |
|
|
1467 | mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); |
|
|
1468 | #endif |
|
|
1469 | stack_start = (char *)cctx->sptr + CORO_STACKGUARD * PAGESIZE; |
|
|
1470 | stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE; |
|
|
1471 | cctx->flags |= CC_MAPPED; |
|
|
1472 | } |
1628 | { |
1473 | else |
|
|
1474 | #endif |
|
|
1475 | { |
|
|
1476 | cctx->ssize = cctx_stacksize * (long)sizeof (long); |
|
|
1477 | New (0, cctx->sptr, cctx_stacksize, long); |
|
|
1478 | |
|
|
1479 | if (!cctx->sptr) |
|
|
1480 | { |
|
|
1481 | perror ("FATAL: unable to allocate stack for coroutine, exiting."); |
1629 | perror ("FATAL: unable to allocate stack for coroutine, exiting."); |
1482 | _exit (EXIT_FAILURE); |
1630 | _exit (EXIT_FAILURE); |
1483 | } |
|
|
1484 | |
|
|
1485 | stack_start = cctx->sptr; |
|
|
1486 | stack_size = cctx->ssize; |
|
|
1487 | } |
1631 | } |
1488 | |
1632 | |
1489 | #if CORO_USE_VALGRIND |
|
|
1490 | cctx->valgrind_id = VALGRIND_STACK_REGISTER ((char *)stack_start, (char *)stack_start + stack_size); |
|
|
1491 | #endif |
|
|
1492 | |
|
|
1493 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size); |
1633 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, cctx->stack.sptr, cctx->stack.ssze); |
1494 | |
1634 | |
1495 | return cctx; |
1635 | return cctx; |
1496 | } |
1636 | } |
1497 | |
1637 | |
1498 | static void |
1638 | static void |
… | |
… | |
1504 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current)); |
1644 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current)); |
1505 | |
1645 | |
1506 | --cctx_count; |
1646 | --cctx_count; |
1507 | coro_destroy (&cctx->cctx); |
1647 | coro_destroy (&cctx->cctx); |
1508 | |
1648 | |
1509 | /* coro_transfer creates new, empty cctx's */ |
1649 | coro_stack_free (&cctx->stack); |
1510 | if (cctx->sptr) |
|
|
1511 | { |
|
|
1512 | #if CORO_USE_VALGRIND |
|
|
1513 | VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); |
|
|
1514 | #endif |
|
|
1515 | |
|
|
1516 | #if HAVE_MMAP |
|
|
1517 | if (cctx->flags & CC_MAPPED) |
|
|
1518 | munmap (cctx->sptr, cctx->ssize); |
|
|
1519 | else |
|
|
1520 | #endif |
|
|
1521 | Safefree (cctx->sptr); |
|
|
1522 | } |
|
|
1523 | |
1650 | |
1524 | Safefree (cctx); |
1651 | Safefree (cctx); |
1525 | } |
1652 | } |
1526 | |
1653 | |
1527 | /* wether this cctx should be destructed */ |
1654 | /* wether this cctx should be destructed */ |
1528 | #define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) |
1655 | #define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) |
1529 | |
1656 | |
1530 | static coro_cctx * |
1657 | static coro_cctx * |
1531 | cctx_get (pTHX) |
1658 | cctx_get (pTHX) |
1532 | { |
1659 | { |
1533 | while (expect_true (cctx_first)) |
1660 | while (ecb_expect_true (cctx_first)) |
1534 | { |
1661 | { |
1535 | coro_cctx *cctx = cctx_first; |
1662 | coro_cctx *cctx = cctx_first; |
1536 | cctx_first = cctx->next; |
1663 | cctx_first = cctx->next; |
1537 | --cctx_idle; |
1664 | --cctx_idle; |
1538 | |
1665 | |
1539 | if (expect_true (!CCTX_EXPIRED (cctx))) |
1666 | if (ecb_expect_true (!CCTX_EXPIRED (cctx))) |
1540 | return cctx; |
1667 | return cctx; |
1541 | |
1668 | |
1542 | cctx_destroy (cctx); |
1669 | cctx_destroy (cctx); |
1543 | } |
1670 | } |
1544 | |
1671 | |
… | |
… | |
1546 | } |
1673 | } |
1547 | |
1674 | |
1548 | static void |
1675 | static void |
1549 | cctx_put (coro_cctx *cctx) |
1676 | cctx_put (coro_cctx *cctx) |
1550 | { |
1677 | { |
1551 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr)); |
1678 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->stack.sptr)); |
1552 | |
1679 | |
1553 | /* free another cctx if overlimit */ |
1680 | /* free another cctx if overlimit */ |
1554 | if (expect_false (cctx_idle >= cctx_max_idle)) |
1681 | if (ecb_expect_false (cctx_idle >= cctx_max_idle)) |
1555 | { |
1682 | { |
1556 | coro_cctx *first = cctx_first; |
1683 | coro_cctx *first = cctx_first; |
1557 | cctx_first = first->next; |
1684 | cctx_first = first->next; |
1558 | --cctx_idle; |
1685 | --cctx_idle; |
1559 | |
1686 | |
… | |
… | |
1570 | static void |
1697 | static void |
1571 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1698 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1572 | { |
1699 | { |
1573 | /* TODO: throwing up here is considered harmful */ |
1700 | /* TODO: throwing up here is considered harmful */ |
1574 | |
1701 | |
1575 | if (expect_true (prev != next)) |
1702 | if (ecb_expect_true (prev != next)) |
1576 | { |
1703 | { |
1577 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1704 | if (ecb_expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1578 | croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); |
1705 | croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); |
1579 | |
1706 | |
1580 | if (expect_false (next->flags & (CF_RUNNING | CF_DESTROYED | CF_SUSPENDED))) |
1707 | if (ecb_expect_false (next->flags & (CF_RUNNING | CF_ZOMBIE | CF_SUSPENDED))) |
1581 | croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); |
1708 | croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); |
1582 | |
1709 | |
1583 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1710 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1584 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1711 | if (ecb_expect_false (PL_lex_state != LEX_NOTPARSING)) |
1585 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1712 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1586 | #endif |
1713 | #endif |
1587 | } |
1714 | } |
1588 | } |
1715 | } |
1589 | |
1716 | |
1590 | /* always use the TRANSFER macro */ |
1717 | /* always use the TRANSFER macro */ |
1591 | static void NOINLINE /* noinline so we have a fixed stackframe */ |
1718 | static void ecb_noinline /* noinline so we have a fixed stackframe */ |
1592 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1719 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1593 | { |
1720 | { |
1594 | dSTACKLEVEL; |
1721 | dSTACKLEVEL; |
1595 | |
1722 | |
1596 | /* sometimes transfer is only called to set idle_sp */ |
1723 | /* sometimes transfer is only called to set idle_sp */ |
1597 | if (expect_false (!prev)) |
1724 | if (ecb_expect_false (!prev)) |
1598 | { |
1725 | { |
1599 | cctx_current->idle_sp = STACKLEVEL; |
1726 | cctx_current->idle_sp = STACKLEVEL; |
1600 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1727 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1601 | } |
1728 | } |
1602 | else if (expect_true (prev != next)) |
1729 | else if (ecb_expect_true (prev != next)) |
1603 | { |
1730 | { |
1604 | coro_cctx *cctx_prev; |
1731 | coro_cctx *cctx_prev; |
1605 | |
1732 | |
1606 | if (expect_false (prev->flags & CF_NEW)) |
1733 | if (ecb_expect_false (prev->flags & CF_NEW)) |
1607 | { |
1734 | { |
1608 | /* create a new empty/source context */ |
1735 | /* create a new empty/source context */ |
1609 | prev->flags &= ~CF_NEW; |
1736 | prev->flags &= ~CF_NEW; |
1610 | prev->flags |= CF_RUNNING; |
1737 | prev->flags |= CF_RUNNING; |
1611 | } |
1738 | } |
… | |
… | |
1614 | next->flags |= CF_RUNNING; |
1741 | next->flags |= CF_RUNNING; |
1615 | |
1742 | |
1616 | /* first get rid of the old state */ |
1743 | /* first get rid of the old state */ |
1617 | save_perl (aTHX_ prev); |
1744 | save_perl (aTHX_ prev); |
1618 | |
1745 | |
1619 | if (expect_false (next->flags & CF_NEW)) |
1746 | if (ecb_expect_false (next->flags & CF_NEW)) |
1620 | { |
1747 | { |
1621 | /* need to start coroutine */ |
1748 | /* need to start coroutine */ |
1622 | next->flags &= ~CF_NEW; |
1749 | next->flags &= ~CF_NEW; |
1623 | /* setup coroutine call */ |
1750 | /* setup coroutine call */ |
1624 | init_perl (aTHX_ next); |
1751 | init_perl (aTHX_ next); |
1625 | } |
1752 | } |
1626 | else |
1753 | else |
1627 | load_perl (aTHX_ next); |
1754 | load_perl (aTHX_ next); |
1628 | |
1755 | |
1629 | /* possibly untie and reuse the cctx */ |
1756 | /* possibly untie and reuse the cctx */ |
1630 | if (expect_true ( |
1757 | if (ecb_expect_true ( |
1631 | cctx_current->idle_sp == STACKLEVEL |
1758 | cctx_current->idle_sp == STACKLEVEL |
1632 | && !(cctx_current->flags & CC_TRACE) |
1759 | && !(cctx_current->flags & CC_TRACE) |
1633 | && !force_cctx |
1760 | && !force_cctx |
1634 | )) |
1761 | )) |
1635 | { |
1762 | { |
1636 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1763 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1637 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1764 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1638 | |
1765 | |
1639 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1766 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1640 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1767 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1641 | if (expect_false (CCTX_EXPIRED (cctx_current))) |
1768 | if (ecb_expect_false (CCTX_EXPIRED (cctx_current))) |
1642 | if (expect_true (!next->cctx)) |
1769 | if (ecb_expect_true (!next->cctx)) |
1643 | next->cctx = cctx_get (aTHX); |
1770 | next->cctx = cctx_get (aTHX); |
1644 | |
1771 | |
1645 | cctx_put (cctx_current); |
1772 | cctx_put (cctx_current); |
1646 | } |
1773 | } |
1647 | else |
1774 | else |
1648 | prev->cctx = cctx_current; |
1775 | prev->cctx = cctx_current; |
1649 | |
1776 | |
1650 | ++next->usecount; |
1777 | ++next->usecount; |
1651 | |
1778 | |
1652 | cctx_prev = cctx_current; |
1779 | cctx_prev = cctx_current; |
1653 | cctx_current = expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1780 | cctx_current = ecb_expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1654 | |
1781 | |
1655 | next->cctx = 0; |
1782 | next->cctx = 0; |
1656 | |
1783 | |
1657 | if (expect_false (cctx_prev != cctx_current)) |
1784 | if (ecb_expect_false (cctx_prev != cctx_current)) |
1658 | { |
1785 | { |
1659 | cctx_prev->top_env = PL_top_env; |
1786 | cctx_prev->top_env = PL_top_env; |
1660 | PL_top_env = cctx_current->top_env; |
1787 | PL_top_env = cctx_current->top_env; |
1661 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1788 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1662 | } |
1789 | } |
… | |
… | |
1668 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1795 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1669 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1796 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1670 | |
1797 | |
1671 | /** high level stuff ********************************************************/ |
1798 | /** high level stuff ********************************************************/ |
1672 | |
1799 | |
|
|
1800 | /* this function is actually Coro, not Coro::State, but we call it from here */ |
|
|
1801 | /* because it is convenient - but it hasn't been declared yet for that reason */ |
|
|
1802 | static void |
|
|
1803 | coro_call_on_destroy (pTHX_ struct coro *coro); |
|
|
1804 | |
1673 | static void |
1805 | static void |
1674 | coro_state_destroy (pTHX_ struct coro *coro) |
1806 | coro_state_destroy (pTHX_ struct coro *coro) |
1675 | { |
1807 | { |
1676 | if (coro->flags & CF_DESTROYED) |
1808 | if (coro->flags & CF_ZOMBIE) |
1677 | return; |
1809 | return; |
1678 | |
1810 | |
1679 | /* this callback is reserved for slf functions needing to do cleanup */ |
|
|
1680 | if (coro->on_destroy && !PL_dirty) |
|
|
1681 | coro->on_destroy (aTHX_ coro); |
1811 | slf_destroy (aTHX_ coro); |
1682 | |
1812 | |
1683 | /* |
|
|
1684 | * The on_destroy above most likely is from an SLF call. |
|
|
1685 | * Since by definition the SLF call will not finish when we destroy |
|
|
1686 | * the coro, we will have to force-finish it here, otherwise |
|
|
1687 | * cleanup functions cannot call SLF functions. |
|
|
1688 | */ |
|
|
1689 | coro->slf_frame.prepare = 0; |
|
|
1690 | |
|
|
1691 | coro->flags |= CF_DESTROYED; |
1813 | coro->flags |= CF_ZOMBIE; |
1692 | |
1814 | |
1693 | if (coro->flags & CF_READY) |
1815 | if (coro->flags & CF_READY) |
1694 | { |
1816 | { |
1695 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1817 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1696 | /* alternative: look through all ready queues and remove the coro */ |
1818 | /* alternative: look through all ready queues and remove the coro */ |
1697 | --coro_nready; |
1819 | --coro_nready; |
1698 | } |
1820 | } |
1699 | else |
1821 | else |
1700 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
1822 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
|
|
1823 | |
|
|
1824 | if (coro->next) coro->next->prev = coro->prev; |
|
|
1825 | if (coro->prev) coro->prev->next = coro->next; |
|
|
1826 | if (coro == coro_first) coro_first = coro->next; |
1701 | |
1827 | |
1702 | if (coro->mainstack |
1828 | if (coro->mainstack |
1703 | && coro->mainstack != main_mainstack |
1829 | && coro->mainstack != main_mainstack |
1704 | && coro->slot |
1830 | && coro->slot |
1705 | && !PL_dirty) |
1831 | && !PL_dirty) |
1706 | destroy_perl (aTHX_ coro); |
1832 | destroy_perl (aTHX_ coro); |
1707 | |
1833 | |
1708 | if (coro->next) coro->next->prev = coro->prev; |
|
|
1709 | if (coro->prev) coro->prev->next = coro->next; |
|
|
1710 | if (coro == coro_first) coro_first = coro->next; |
|
|
1711 | |
|
|
1712 | cctx_destroy (coro->cctx); |
1834 | cctx_destroy (coro->cctx); |
1713 | SvREFCNT_dec (coro->startcv); |
1835 | SvREFCNT_dec (coro->startcv); |
1714 | SvREFCNT_dec (coro->args); |
1836 | SvREFCNT_dec (coro->args); |
1715 | SvREFCNT_dec (coro->swap_sv); |
1837 | SvREFCNT_dec (coro->swap_sv); |
1716 | SvREFCNT_dec (CORO_THROW); |
1838 | SvREFCNT_dec (CORO_THROW); |
|
|
1839 | |
|
|
1840 | coro_call_on_destroy (aTHX_ coro); |
|
|
1841 | |
|
|
1842 | /* more destruction mayhem in coro_state_free */ |
1717 | } |
1843 | } |
1718 | |
1844 | |
1719 | static int |
1845 | static int |
1720 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1846 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1721 | { |
1847 | { |
1722 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1848 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1723 | mg->mg_ptr = 0; |
1849 | mg->mg_ptr = 0; |
1724 | |
1850 | |
1725 | coro->hv = 0; |
|
|
1726 | |
|
|
1727 | if (--coro->refcnt < 0) |
|
|
1728 | { |
|
|
1729 | coro_state_destroy (aTHX_ coro); |
1851 | coro_state_destroy (aTHX_ coro); |
|
|
1852 | SvREFCNT_dec (coro->on_destroy); |
|
|
1853 | SvREFCNT_dec (coro->status); |
|
|
1854 | |
1730 | Safefree (coro); |
1855 | Safefree (coro); |
1731 | } |
|
|
1732 | |
1856 | |
1733 | return 0; |
1857 | return 0; |
1734 | } |
1858 | } |
1735 | |
1859 | |
1736 | static int |
1860 | static int ecb_cold |
1737 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1861 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1738 | { |
1862 | { |
1739 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1863 | /* called when perl clones the current process the slow way (windows process emulation) */ |
1740 | |
1864 | /* WE SIMply nuke the pointers in the copy, causing perl to croak */ |
1741 | ++coro->refcnt; |
1865 | mg->mg_ptr = 0; |
|
|
1866 | mg->mg_virtual = 0; |
1742 | |
1867 | |
1743 | return 0; |
1868 | return 0; |
1744 | } |
1869 | } |
1745 | |
1870 | |
1746 | static MGVTBL coro_state_vtbl = { |
1871 | static MGVTBL coro_state_vtbl = { |
… | |
… | |
1771 | TRANSFER (ta, 1); |
1896 | TRANSFER (ta, 1); |
1772 | } |
1897 | } |
1773 | |
1898 | |
1774 | /** Coro ********************************************************************/ |
1899 | /** Coro ********************************************************************/ |
1775 | |
1900 | |
1776 | INLINE void |
1901 | ecb_inline void |
1777 | coro_enq (pTHX_ struct coro *coro) |
1902 | coro_enq (pTHX_ struct coro *coro) |
1778 | { |
1903 | { |
1779 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1904 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1780 | |
1905 | |
1781 | SvREFCNT_inc_NN (coro->hv); |
1906 | SvREFCNT_inc_NN (coro->hv); |
… | |
… | |
1783 | coro->next_ready = 0; |
1908 | coro->next_ready = 0; |
1784 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
1909 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
1785 | ready [1] = coro; |
1910 | ready [1] = coro; |
1786 | } |
1911 | } |
1787 | |
1912 | |
1788 | INLINE struct coro * |
1913 | ecb_inline struct coro * |
1789 | coro_deq (pTHX) |
1914 | coro_deq (pTHX) |
1790 | { |
1915 | { |
1791 | int prio; |
1916 | int prio; |
1792 | |
1917 | |
1793 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
1918 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
… | |
… | |
1846 | { |
1971 | { |
1847 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1972 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1848 | } |
1973 | } |
1849 | |
1974 | |
1850 | /* expects to own a reference to next->hv */ |
1975 | /* expects to own a reference to next->hv */ |
1851 | INLINE void |
1976 | ecb_inline void |
1852 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1977 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1853 | { |
1978 | { |
1854 | SV *prev_sv = SvRV (coro_current); |
1979 | SV *prev_sv = SvRV (coro_current); |
1855 | |
1980 | |
1856 | ta->prev = SvSTATE_hv (prev_sv); |
1981 | ta->prev = SvSTATE_hv (prev_sv); |
… | |
… | |
1869 | { |
1994 | { |
1870 | for (;;) |
1995 | for (;;) |
1871 | { |
1996 | { |
1872 | struct coro *next = coro_deq (aTHX); |
1997 | struct coro *next = coro_deq (aTHX); |
1873 | |
1998 | |
1874 | if (expect_true (next)) |
1999 | if (ecb_expect_true (next)) |
1875 | { |
2000 | { |
1876 | /* cannot transfer to destroyed coros, skip and look for next */ |
2001 | /* cannot transfer to destroyed coros, skip and look for next */ |
1877 | if (expect_false (next->flags & (CF_DESTROYED | CF_SUSPENDED))) |
2002 | if (ecb_expect_false (next->flags & (CF_ZOMBIE | CF_SUSPENDED))) |
1878 | SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ |
2003 | SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ |
1879 | else |
2004 | else |
1880 | { |
2005 | { |
1881 | next->flags &= ~CF_READY; |
2006 | next->flags &= ~CF_READY; |
1882 | --coro_nready; |
2007 | --coro_nready; |
… | |
… | |
1890 | /* nothing to schedule: call the idle handler */ |
2015 | /* nothing to schedule: call the idle handler */ |
1891 | if (SvROK (sv_idle) |
2016 | if (SvROK (sv_idle) |
1892 | && SvOBJECT (SvRV (sv_idle))) |
2017 | && SvOBJECT (SvRV (sv_idle))) |
1893 | { |
2018 | { |
1894 | if (SvRV (sv_idle) == SvRV (coro_current)) |
2019 | if (SvRV (sv_idle) == SvRV (coro_current)) |
|
|
2020 | { |
|
|
2021 | require_pv ("Carp"); |
|
|
2022 | |
|
|
2023 | { |
|
|
2024 | dSP; |
|
|
2025 | |
|
|
2026 | ENTER; |
|
|
2027 | SAVETMPS; |
|
|
2028 | |
|
|
2029 | PUSHMARK (SP); |
1895 | croak ("FATAL: $Coro::IDLE blocked itself - did you try to block inside an event loop callback? Caught"); |
2030 | XPUSHs (sv_2mortal (newSVpv ("FATAL: $Coro::idle blocked itself - did you try to block inside an event loop callback? Caught", 0))); |
|
|
2031 | PUTBACK; |
|
|
2032 | call_pv ("Carp::confess", G_VOID | G_DISCARD); |
|
|
2033 | |
|
|
2034 | FREETMPS; |
|
|
2035 | LEAVE; |
|
|
2036 | } |
|
|
2037 | } |
1896 | |
2038 | |
1897 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
2039 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
1898 | api_ready (aTHX_ SvRV (sv_idle)); |
2040 | api_ready (aTHX_ SvRV (sv_idle)); |
1899 | --coro_nready; |
2041 | --coro_nready; |
1900 | } |
2042 | } |
… | |
… | |
1915 | } |
2057 | } |
1916 | } |
2058 | } |
1917 | } |
2059 | } |
1918 | } |
2060 | } |
1919 | |
2061 | |
1920 | INLINE void |
2062 | ecb_inline void |
1921 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
2063 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1922 | { |
2064 | { |
1923 | api_ready (aTHX_ coro_current); |
2065 | api_ready (aTHX_ coro_current); |
1924 | prepare_schedule (aTHX_ ta); |
2066 | prepare_schedule (aTHX_ ta); |
1925 | } |
2067 | } |
1926 | |
2068 | |
1927 | INLINE void |
2069 | ecb_inline void |
1928 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
2070 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
1929 | { |
2071 | { |
1930 | SV *prev = SvRV (coro_current); |
2072 | SV *prev = SvRV (coro_current); |
1931 | |
2073 | |
1932 | if (coro_nready) |
2074 | if (coro_nready) |
… | |
… | |
1962 | { |
2104 | { |
1963 | struct coro_transfer_args ta; |
2105 | struct coro_transfer_args ta; |
1964 | |
2106 | |
1965 | prepare_cede (aTHX_ &ta); |
2107 | prepare_cede (aTHX_ &ta); |
1966 | |
2108 | |
1967 | if (expect_true (ta.prev != ta.next)) |
2109 | if (ecb_expect_true (ta.prev != ta.next)) |
1968 | { |
2110 | { |
1969 | TRANSFER (ta, 1); |
2111 | TRANSFER (ta, 1); |
1970 | return 1; |
2112 | return 1; |
1971 | } |
2113 | } |
1972 | else |
2114 | else |
… | |
… | |
2015 | coro->slot->runops = RUNOPS_DEFAULT; |
2157 | coro->slot->runops = RUNOPS_DEFAULT; |
2016 | } |
2158 | } |
2017 | } |
2159 | } |
2018 | |
2160 | |
2019 | static void |
2161 | static void |
|
|
2162 | coro_push_av (pTHX_ AV *av, I32 gimme_v) |
|
|
2163 | { |
|
|
2164 | if (AvFILLp (av) >= 0 && gimme_v != G_VOID) |
|
|
2165 | { |
|
|
2166 | dSP; |
|
|
2167 | |
|
|
2168 | if (gimme_v == G_SCALAR) |
|
|
2169 | XPUSHs (AvARRAY (av)[AvFILLp (av)]); |
|
|
2170 | else |
|
|
2171 | { |
|
|
2172 | int i; |
|
|
2173 | EXTEND (SP, AvFILLp (av) + 1); |
|
|
2174 | |
|
|
2175 | for (i = 0; i <= AvFILLp (av); ++i) |
|
|
2176 | PUSHs (AvARRAY (av)[i]); |
|
|
2177 | } |
|
|
2178 | |
|
|
2179 | PUTBACK; |
|
|
2180 | } |
|
|
2181 | } |
|
|
2182 | |
|
|
2183 | static void |
|
|
2184 | coro_push_on_destroy (pTHX_ struct coro *coro, SV *cb) |
|
|
2185 | { |
|
|
2186 | if (!coro->on_destroy) |
|
|
2187 | coro->on_destroy = newAV (); |
|
|
2188 | |
|
|
2189 | av_push (coro->on_destroy, cb); |
|
|
2190 | } |
|
|
2191 | |
|
|
2192 | static void |
|
|
2193 | slf_destroy_join (pTHX_ struct CoroSLF *frame) |
|
|
2194 | { |
|
|
2195 | SvREFCNT_dec ((SV *)((struct coro *)frame->data)->hv); |
|
|
2196 | } |
|
|
2197 | |
|
|
2198 | static int |
|
|
2199 | slf_check_join (pTHX_ struct CoroSLF *frame) |
|
|
2200 | { |
|
|
2201 | struct coro *coro = (struct coro *)frame->data; |
|
|
2202 | |
|
|
2203 | if (!coro->status) |
|
|
2204 | return 1; |
|
|
2205 | |
|
|
2206 | frame->destroy = 0; |
|
|
2207 | |
|
|
2208 | coro_push_av (aTHX_ coro->status, GIMME_V); |
|
|
2209 | |
|
|
2210 | SvREFCNT_dec ((SV *)coro->hv); |
|
|
2211 | |
|
|
2212 | return 0; |
|
|
2213 | } |
|
|
2214 | |
|
|
2215 | static void |
|
|
2216 | slf_init_join (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2217 | { |
|
|
2218 | struct coro *coro = SvSTATE (items > 0 ? arg [0] : &PL_sv_undef); |
|
|
2219 | |
|
|
2220 | if (items > 1) |
|
|
2221 | croak ("join called with too many arguments"); |
|
|
2222 | |
|
|
2223 | if (coro->status) |
|
|
2224 | frame->prepare = prepare_nop; |
|
|
2225 | else |
|
|
2226 | { |
|
|
2227 | coro_push_on_destroy (aTHX_ coro, SvREFCNT_inc_NN (SvRV (coro_current))); |
|
|
2228 | frame->prepare = prepare_schedule; |
|
|
2229 | } |
|
|
2230 | |
|
|
2231 | frame->check = slf_check_join; |
|
|
2232 | frame->destroy = slf_destroy_join; |
|
|
2233 | frame->data = (void *)coro; |
|
|
2234 | SvREFCNT_inc (coro->hv); |
|
|
2235 | } |
|
|
2236 | |
|
|
2237 | static void |
2020 | coro_call_on_destroy (pTHX_ struct coro *coro) |
2238 | coro_call_on_destroy (pTHX_ struct coro *coro) |
2021 | { |
2239 | { |
2022 | SV **on_destroyp = hv_fetch (coro->hv, "_on_destroy", sizeof ("_on_destroy") - 1, 0); |
2240 | AV *od = coro->on_destroy; |
2023 | |
2241 | |
2024 | if (on_destroyp) |
2242 | if (!od) |
2025 | { |
2243 | return; |
2026 | SV **statusp = hv_fetch (coro->hv, "_status", sizeof ("_status") - 1, 0); |
|
|
2027 | AV *on_destroy = sv_2mortal (SvREFCNT_inc ((AV *)SvRV (*on_destroyp))); |
|
|
2028 | AV *status = statusp ? sv_2mortal (SvREFCNT_inc ((AV *)SvRV (*statusp))) : 0; |
|
|
2029 | |
2244 | |
|
|
2245 | coro->on_destroy = 0; |
|
|
2246 | sv_2mortal ((SV *)od); |
|
|
2247 | |
2030 | while (AvFILLp (on_destroy) >= 0) |
2248 | while (AvFILLp (od) >= 0) |
|
|
2249 | { |
|
|
2250 | SV *cb = sv_2mortal (av_pop (od)); |
|
|
2251 | |
|
|
2252 | /* coro hv's (and only hv's at the moment) are supported as well */ |
|
|
2253 | if (SvSTATEhv_p (aTHX_ cb)) |
|
|
2254 | api_ready (aTHX_ cb); |
|
|
2255 | else |
2031 | { |
2256 | { |
2032 | dSP; /* don't disturb outer sp */ |
2257 | dSP; /* don't disturb outer sp */ |
2033 | SV *cb = av_pop (on_destroy); |
|
|
2034 | |
|
|
2035 | PUSHMARK (SP); |
2258 | PUSHMARK (SP); |
2036 | |
2259 | |
2037 | if (statusp) |
2260 | if (coro->status) |
2038 | { |
2261 | { |
2039 | int i; |
2262 | PUTBACK; |
2040 | EXTEND (SP, AvFILLp (status) + 1); |
2263 | coro_push_av (aTHX_ coro->status, G_ARRAY); |
2041 | |
2264 | SPAGAIN; |
2042 | for (i = 0; i <= AvFILLp (status); ++i) |
|
|
2043 | PUSHs (AvARRAY (status)[i]); |
|
|
2044 | } |
2265 | } |
2045 | |
2266 | |
2046 | PUTBACK; |
2267 | PUTBACK; |
2047 | call_sv (sv_2mortal (cb), G_VOID | G_DISCARD); |
2268 | call_sv (cb, G_VOID | G_DISCARD); |
2048 | } |
2269 | } |
2049 | } |
2270 | } |
2050 | } |
2271 | } |
2051 | |
2272 | |
2052 | static void |
2273 | static void |
2053 | coro_set_status (HV *coro_hv, SV **arg, int items) |
2274 | coro_set_status (pTHX_ struct coro *coro, SV **arg, int items) |
2054 | { |
2275 | { |
2055 | AV *av = newAV (); |
2276 | AV *av; |
|
|
2277 | |
|
|
2278 | if (coro->status) |
|
|
2279 | { |
|
|
2280 | av = coro->status; |
|
|
2281 | av_clear (av); |
|
|
2282 | } |
|
|
2283 | else |
|
|
2284 | av = coro->status = newAV (); |
2056 | |
2285 | |
2057 | /* items are actually not so common, so optimise for this case */ |
2286 | /* items are actually not so common, so optimise for this case */ |
2058 | if (items) |
2287 | if (items) |
2059 | { |
2288 | { |
2060 | int i; |
2289 | int i; |
… | |
… | |
2062 | av_extend (av, items - 1); |
2291 | av_extend (av, items - 1); |
2063 | |
2292 | |
2064 | for (i = 0; i < items; ++i) |
2293 | for (i = 0; i < items; ++i) |
2065 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
2294 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
2066 | } |
2295 | } |
2067 | |
|
|
2068 | hv_store (coro_hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0); |
|
|
2069 | } |
2296 | } |
2070 | |
2297 | |
2071 | static void |
2298 | static void |
2072 | slf_init_terminate_cancel_common (pTHX_ struct CoroSLF *frame, HV *coro_hv) |
2299 | slf_init_terminate_cancel_common (pTHX_ struct CoroSLF *frame, HV *coro_hv) |
2073 | { |
2300 | { |
… | |
… | |
2085 | static void |
2312 | static void |
2086 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2313 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2087 | { |
2314 | { |
2088 | HV *coro_hv = (HV *)SvRV (coro_current); |
2315 | HV *coro_hv = (HV *)SvRV (coro_current); |
2089 | |
2316 | |
2090 | coro_set_status (coro_hv, arg, items); |
2317 | coro_set_status (aTHX_ SvSTATE ((SV *)coro_hv), arg, items); |
2091 | slf_init_terminate_cancel_common (frame, coro_hv); |
2318 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
2092 | } |
2319 | } |
2093 | |
2320 | |
2094 | static void |
2321 | static void |
2095 | slf_init_cancel (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2322 | slf_init_cancel (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2096 | { |
2323 | { |
… | |
… | |
2101 | croak ("Coro::cancel called without coro object,"); |
2328 | croak ("Coro::cancel called without coro object,"); |
2102 | |
2329 | |
2103 | coro = SvSTATE (arg [0]); |
2330 | coro = SvSTATE (arg [0]); |
2104 | coro_hv = coro->hv; |
2331 | coro_hv = coro->hv; |
2105 | |
2332 | |
2106 | coro_set_status (coro_hv, arg + 1, items - 1); |
2333 | coro_set_status (aTHX_ coro, arg + 1, items - 1); |
2107 | |
2334 | |
2108 | if (expect_false (coro->flags & CF_NOCANCEL)) |
2335 | if (ecb_expect_false (coro->flags & CF_NOCANCEL)) |
2109 | { |
2336 | { |
2110 | /* coro currently busy cancelling something, so just notify it */ |
2337 | /* coro currently busy cancelling something, so just notify it */ |
2111 | coro->slf_frame.data = (void *)coro; |
2338 | coro->slf_frame.data = (void *)coro; |
2112 | |
2339 | |
2113 | frame->prepare = prepare_nop; |
2340 | frame->prepare = prepare_nop; |
2114 | frame->check = slf_check_nop; |
2341 | frame->check = slf_check_nop; |
2115 | } |
2342 | } |
2116 | else if (coro_hv == (HV *)SvRV (coro_current)) |
2343 | else if (coro_hv == (HV *)SvRV (coro_current)) |
2117 | { |
2344 | { |
2118 | /* cancelling the current coro is allowed, and equals terminate */ |
2345 | /* cancelling the current coro is allowed, and equals terminate */ |
2119 | slf_init_terminate_cancel_common (frame, coro_hv); |
2346 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
2120 | } |
2347 | } |
2121 | else |
2348 | else |
2122 | { |
2349 | { |
2123 | struct coro *self = SvSTATE_current; |
2350 | struct coro *self = SvSTATE_current; |
|
|
2351 | |
|
|
2352 | if (!self) |
|
|
2353 | croak ("Coro::cancel called outside of thread content,"); |
2124 | |
2354 | |
2125 | /* otherwise we cancel directly, purely for speed reasons |
2355 | /* otherwise we cancel directly, purely for speed reasons |
2126 | * unfortunately, this requires some magic trickery, as |
2356 | * unfortunately, this requires some magic trickery, as |
2127 | * somebody else could cancel us, so we have to fight the cancellation. |
2357 | * somebody else could cancel us, so we have to fight the cancellation. |
2128 | * this is ugly, and hopefully fully worth the extra speed. |
2358 | * this is ugly, and hopefully fully worth the extra speed. |
2129 | * besides, I can't get the slow-but-safe version working... |
2359 | * besides, I can't get the slow-but-safe version working... |
2130 | */ |
2360 | */ |
2131 | slf_frame.data = 0; |
2361 | slf_frame.data = 0; |
2132 | self->flags |= CF_NOCANCEL; |
2362 | self->flags |= CF_NOCANCEL; |
2133 | |
|
|
2134 | coro_state_destroy (aTHX_ coro); |
2363 | coro_state_destroy (aTHX_ coro); |
2135 | coro_call_on_destroy (aTHX_ coro); |
|
|
2136 | |
|
|
2137 | self->flags &= ~CF_NOCANCEL; |
2364 | self->flags &= ~CF_NOCANCEL; |
2138 | |
2365 | |
2139 | if (slf_frame.data) |
2366 | if (slf_frame.data) |
2140 | { |
2367 | { |
2141 | /* while we were busy we have been cancelled, so terminate */ |
2368 | /* while we were busy we have been cancelled, so terminate */ |
2142 | slf_init_terminate_cancel_common (frame, self->hv); |
2369 | slf_init_terminate_cancel_common (aTHX_ frame, self->hv); |
2143 | } |
2370 | } |
2144 | else |
2371 | else |
2145 | { |
2372 | { |
2146 | frame->prepare = prepare_nop; |
2373 | frame->prepare = prepare_nop; |
2147 | frame->check = slf_check_nop; |
2374 | frame->check = slf_check_nop; |
2148 | } |
2375 | } |
2149 | } |
2376 | } |
2150 | } |
2377 | } |
2151 | |
2378 | |
|
|
2379 | static int |
|
|
2380 | slf_check_safe_cancel (pTHX_ struct CoroSLF *frame) |
|
|
2381 | { |
|
|
2382 | frame->prepare = 0; |
|
|
2383 | coro_unwind_stacks (aTHX); |
|
|
2384 | |
|
|
2385 | slf_init_terminate_cancel_common (aTHX_ frame, (HV *)SvRV (coro_current)); |
|
|
2386 | |
|
|
2387 | return 1; |
|
|
2388 | } |
|
|
2389 | |
|
|
2390 | static int |
|
|
2391 | safe_cancel (pTHX_ struct coro *coro, SV **arg, int items) |
|
|
2392 | { |
|
|
2393 | if (coro->cctx) |
|
|
2394 | croak ("coro inside C callback, unable to cancel at this time, caught"); |
|
|
2395 | |
|
|
2396 | if (coro->flags & (CF_NEW | CF_ZOMBIE)) |
|
|
2397 | { |
|
|
2398 | coro_set_status (aTHX_ coro, arg, items); |
|
|
2399 | coro_state_destroy (aTHX_ coro); |
|
|
2400 | } |
|
|
2401 | else |
|
|
2402 | { |
|
|
2403 | if (!coro->slf_frame.prepare) |
|
|
2404 | croak ("coro outside an SLF function, unable to cancel at this time, caught"); |
|
|
2405 | |
|
|
2406 | slf_destroy (aTHX_ coro); |
|
|
2407 | |
|
|
2408 | coro_set_status (aTHX_ coro, arg, items); |
|
|
2409 | coro->slf_frame.prepare = prepare_nop; |
|
|
2410 | coro->slf_frame.check = slf_check_safe_cancel; |
|
|
2411 | |
|
|
2412 | api_ready (aTHX_ (SV *)coro->hv); |
|
|
2413 | } |
|
|
2414 | |
|
|
2415 | return 1; |
|
|
2416 | } |
|
|
2417 | |
2152 | /*****************************************************************************/ |
2418 | /*****************************************************************************/ |
2153 | /* async pool handler */ |
2419 | /* async pool handler */ |
2154 | |
2420 | |
2155 | static int |
2421 | static int |
2156 | slf_check_pool_handler (pTHX_ struct CoroSLF *frame) |
2422 | slf_check_pool_handler (pTHX_ struct CoroSLF *frame) |
… | |
… | |
2185 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2451 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2186 | { |
2452 | { |
2187 | HV *hv = (HV *)SvRV (coro_current); |
2453 | HV *hv = (HV *)SvRV (coro_current); |
2188 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
2454 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
2189 | |
2455 | |
2190 | if (expect_true (coro->saved_deffh)) |
2456 | if (ecb_expect_true (coro->saved_deffh)) |
2191 | { |
2457 | { |
2192 | /* subsequent iteration */ |
2458 | /* subsequent iteration */ |
2193 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
2459 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
2194 | coro->saved_deffh = 0; |
2460 | coro->saved_deffh = 0; |
2195 | |
2461 | |
2196 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
2462 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
2197 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
2463 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
2198 | { |
2464 | { |
2199 | coro->invoke_cb = SvREFCNT_inc_NN ((SV *)cv_coro_terminate); |
2465 | slf_init_terminate_cancel_common (aTHX_ frame, hv); |
2200 | coro->invoke_av = newAV (); |
2466 | return; |
2201 | |
|
|
2202 | frame->prepare = prepare_nop; |
|
|
2203 | } |
2467 | } |
2204 | else |
2468 | else |
2205 | { |
2469 | { |
2206 | av_clear (GvAV (PL_defgv)); |
2470 | av_clear (GvAV (PL_defgv)); |
2207 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
2471 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
2208 | |
2472 | |
|
|
2473 | if (ecb_expect_false (coro->swap_sv)) |
|
|
2474 | { |
|
|
2475 | SWAP_SVS_LEAVE (coro); |
|
|
2476 | SvREFCNT_dec_NN (coro->swap_sv); |
|
|
2477 | coro->swap_sv = 0; |
|
|
2478 | } |
|
|
2479 | |
2209 | coro->prio = 0; |
2480 | coro->prio = 0; |
2210 | |
2481 | |
2211 | if (coro->cctx && (coro->cctx->flags & CC_TRACE)) |
2482 | if (ecb_expect_false (coro->cctx) && ecb_expect_false (coro->cctx->flags & CC_TRACE)) |
2212 | api_trace (aTHX_ coro_current, 0); |
2483 | api_trace (aTHX_ coro_current, 0); |
2213 | |
2484 | |
2214 | frame->prepare = prepare_schedule; |
2485 | frame->prepare = prepare_schedule; |
2215 | av_push (av_async_pool, SvREFCNT_inc (hv)); |
2486 | av_push (av_async_pool, SvREFCNT_inc (hv)); |
2216 | } |
2487 | } |
… | |
… | |
2257 | |
2528 | |
2258 | static int |
2529 | static int |
2259 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
2530 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
2260 | { |
2531 | { |
2261 | SV *data = (SV *)frame->data; |
2532 | SV *data = (SV *)frame->data; |
2262 | |
2533 | |
2263 | if (CORO_THROW) |
2534 | if (CORO_THROW) |
2264 | return 0; |
2535 | return 0; |
2265 | |
2536 | |
2266 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2537 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2267 | return 1; |
2538 | return 1; |
… | |
… | |
2303 | cb = sv_2mortal (coro->rouse_cb); |
2574 | cb = sv_2mortal (coro->rouse_cb); |
2304 | coro->rouse_cb = 0; |
2575 | coro->rouse_cb = 0; |
2305 | } |
2576 | } |
2306 | |
2577 | |
2307 | if (!SvROK (cb) |
2578 | if (!SvROK (cb) |
2308 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2579 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2309 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2580 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2310 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2581 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2311 | |
2582 | |
2312 | { |
2583 | { |
2313 | CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ |
2584 | CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ |
… | |
… | |
2430 | static void |
2701 | static void |
2431 | slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2702 | slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2432 | { |
2703 | { |
2433 | frame->prepare = prepare_cede_notself; |
2704 | frame->prepare = prepare_cede_notself; |
2434 | frame->check = slf_check_nop; |
2705 | frame->check = slf_check_nop; |
|
|
2706 | } |
|
|
2707 | |
|
|
2708 | /* "undo"/cancel a running slf call - used when cancelling a coro, mainly */ |
|
|
2709 | static void |
|
|
2710 | slf_destroy (pTHX_ struct coro *coro) |
|
|
2711 | { |
|
|
2712 | struct CoroSLF frame = coro->slf_frame; |
|
|
2713 | |
|
|
2714 | /* |
|
|
2715 | * The on_destroy below most likely is from an SLF call. |
|
|
2716 | * Since by definition the SLF call will not finish when we destroy |
|
|
2717 | * the coro, we will have to force-finish it here, otherwise |
|
|
2718 | * cleanup functions cannot call SLF functions. |
|
|
2719 | */ |
|
|
2720 | coro->slf_frame.prepare = 0; |
|
|
2721 | |
|
|
2722 | /* this callback is reserved for slf functions needing to do cleanup */ |
|
|
2723 | if (frame.destroy && frame.prepare && !PL_dirty) |
|
|
2724 | frame.destroy (aTHX_ &frame); |
2435 | } |
2725 | } |
2436 | |
2726 | |
2437 | /* |
2727 | /* |
2438 | * these not obviously related functions are all rolled into one |
2728 | * these not obviously related functions are all rolled into one |
2439 | * function to increase chances that they all will call transfer with the same |
2729 | * function to increase chances that they all will call transfer with the same |
… | |
… | |
2446 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
2736 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
2447 | |
2737 | |
2448 | /* set up the slf frame, unless it has already been set-up */ |
2738 | /* set up the slf frame, unless it has already been set-up */ |
2449 | /* the latter happens when a new coro has been started */ |
2739 | /* the latter happens when a new coro has been started */ |
2450 | /* or when a new cctx was attached to an existing coroutine */ |
2740 | /* or when a new cctx was attached to an existing coroutine */ |
2451 | if (expect_true (!slf_frame.prepare)) |
2741 | if (ecb_expect_true (!slf_frame.prepare)) |
2452 | { |
2742 | { |
2453 | /* first iteration */ |
2743 | /* first iteration */ |
2454 | dSP; |
2744 | dSP; |
2455 | SV **arg = PL_stack_base + TOPMARK + 1; |
2745 | SV **arg = PL_stack_base + TOPMARK + 1; |
2456 | int items = SP - arg; /* args without function object */ |
2746 | int items = SP - arg; /* args without function object */ |
… | |
… | |
2497 | while (slf_frame.check (aTHX_ &slf_frame)); |
2787 | while (slf_frame.check (aTHX_ &slf_frame)); |
2498 | |
2788 | |
2499 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
2789 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
2500 | |
2790 | |
2501 | /* exception handling */ |
2791 | /* exception handling */ |
2502 | if (expect_false (CORO_THROW)) |
2792 | if (ecb_expect_false (CORO_THROW)) |
2503 | { |
2793 | { |
2504 | SV *exception = sv_2mortal (CORO_THROW); |
2794 | SV *exception = sv_2mortal (CORO_THROW); |
2505 | |
2795 | |
2506 | CORO_THROW = 0; |
2796 | CORO_THROW = 0; |
2507 | sv_setsv (ERRSV, exception); |
2797 | sv_setsv (ERRSV, exception); |
2508 | croak (0); |
2798 | croak (0); |
2509 | } |
2799 | } |
2510 | |
2800 | |
2511 | /* return value handling - mostly like entersub */ |
2801 | /* return value handling - mostly like entersub */ |
2512 | /* make sure we put something on the stack in scalar context */ |
2802 | /* make sure we put something on the stack in scalar context */ |
2513 | if (GIMME_V == G_SCALAR) |
2803 | if (GIMME_V == G_SCALAR |
|
|
2804 | && ecb_expect_false (PL_stack_sp != PL_stack_base + checkmark + 1)) |
2514 | { |
2805 | { |
2515 | dSP; |
2806 | dSP; |
2516 | SV **bot = PL_stack_base + checkmark; |
2807 | SV **bot = PL_stack_base + checkmark; |
2517 | |
2808 | |
2518 | if (sp == bot) /* too few, push undef */ |
2809 | if (sp == bot) /* too few, push undef */ |
2519 | bot [1] = &PL_sv_undef; |
2810 | bot [1] = &PL_sv_undef; |
2520 | else if (sp != bot + 1) /* too many, take last one */ |
2811 | else /* too many, take last one */ |
2521 | bot [1] = *sp; |
2812 | bot [1] = *sp; |
2522 | |
2813 | |
2523 | SP = bot + 1; |
2814 | SP = bot + 1; |
2524 | |
2815 | |
2525 | PUTBACK; |
2816 | PUTBACK; |
… | |
… | |
2623 | { |
2914 | { |
2624 | SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_leave); |
2915 | SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_leave); |
2625 | on_enterleave_call (aTHX_ sv_2mortal (cb)); |
2916 | on_enterleave_call (aTHX_ sv_2mortal (cb)); |
2626 | } |
2917 | } |
2627 | |
2918 | |
|
|
2919 | static void |
|
|
2920 | enterleave_hook_xs (pTHX_ struct coro *coro, AV **avp, coro_enterleave_hook hook, void *arg) |
|
|
2921 | { |
|
|
2922 | if (!hook) |
|
|
2923 | return; |
|
|
2924 | |
|
|
2925 | if (!*avp) |
|
|
2926 | { |
|
|
2927 | *avp = newAV (); |
|
|
2928 | AvREAL_off (*avp); |
|
|
2929 | } |
|
|
2930 | |
|
|
2931 | av_push (*avp, (SV *)hook); |
|
|
2932 | av_push (*avp, (SV *)arg); |
|
|
2933 | } |
|
|
2934 | |
|
|
2935 | static void |
|
|
2936 | enterleave_unhook_xs (pTHX_ struct coro *coro, AV **avp, coro_enterleave_hook hook, int execute) |
|
|
2937 | { |
|
|
2938 | AV *av = *avp; |
|
|
2939 | int i; |
|
|
2940 | |
|
|
2941 | if (!av) |
|
|
2942 | return; |
|
|
2943 | |
|
|
2944 | for (i = AvFILLp (av) - 1; i >= 0; i -= 2) |
|
|
2945 | if (AvARRAY (av)[i] == (SV *)hook) |
|
|
2946 | { |
|
|
2947 | if (execute) |
|
|
2948 | hook (aTHX_ (void *)AvARRAY (av)[i + 1]); |
|
|
2949 | |
|
|
2950 | memmove (AvARRAY (av) + i, AvARRAY (av) + i + 2, AvFILLp (av) - i - 1); |
|
|
2951 | av_pop (av); |
|
|
2952 | av_pop (av); |
|
|
2953 | break; |
|
|
2954 | } |
|
|
2955 | |
|
|
2956 | if (AvFILLp (av) >= 0) |
|
|
2957 | { |
|
|
2958 | *avp = 0; |
|
|
2959 | SvREFCNT_dec_NN (av); |
|
|
2960 | } |
|
|
2961 | } |
|
|
2962 | |
|
|
2963 | static void |
|
|
2964 | api_enterleave_hook (pTHX_ SV *coro_sv, coro_enterleave_hook enter, void *enter_arg, coro_enterleave_hook leave, void *leave_arg) |
|
|
2965 | { |
|
|
2966 | struct coro *coro = SvSTATE (coro_sv); |
|
|
2967 | |
|
|
2968 | if (SvSTATE_current == coro) |
|
|
2969 | if (enter) |
|
|
2970 | enter (aTHX_ enter_arg); |
|
|
2971 | |
|
|
2972 | enterleave_hook_xs (aTHX_ coro, &coro->on_enter_xs, enter, enter_arg); |
|
|
2973 | enterleave_hook_xs (aTHX_ coro, &coro->on_leave_xs, leave, leave_arg); |
|
|
2974 | } |
|
|
2975 | |
|
|
2976 | static void |
|
|
2977 | api_enterleave_unhook (pTHX_ SV *coro_sv, coro_enterleave_hook enter, coro_enterleave_hook leave) |
|
|
2978 | { |
|
|
2979 | struct coro *coro = SvSTATE (coro_sv); |
|
|
2980 | |
|
|
2981 | enterleave_unhook_xs (aTHX_ coro, &coro->on_enter_xs, enter, 0); |
|
|
2982 | enterleave_unhook_xs (aTHX_ coro, &coro->on_leave_xs, leave, SvSTATE_current == coro); |
|
|
2983 | } |
|
|
2984 | |
|
|
2985 | static void |
|
|
2986 | savedestructor_unhook_enter (pTHX_ coro_enterleave_hook enter) |
|
|
2987 | { |
|
|
2988 | struct coro *coro = SvSTATE_current; |
|
|
2989 | |
|
|
2990 | enterleave_unhook_xs (aTHX_ coro, &coro->on_enter_xs, enter, 0); |
|
|
2991 | } |
|
|
2992 | |
|
|
2993 | static void |
|
|
2994 | savedestructor_unhook_leave (pTHX_ coro_enterleave_hook leave) |
|
|
2995 | { |
|
|
2996 | struct coro *coro = SvSTATE_current; |
|
|
2997 | |
|
|
2998 | enterleave_unhook_xs (aTHX_ coro, &coro->on_leave_xs, leave, 1); |
|
|
2999 | } |
|
|
3000 | |
|
|
3001 | static void |
|
|
3002 | api_enterleave_scope_hook (pTHX_ coro_enterleave_hook enter, void *enter_arg, coro_enterleave_hook leave, void *leave_arg) |
|
|
3003 | { |
|
|
3004 | api_enterleave_hook (aTHX_ coro_current, enter, enter_arg, leave, leave_arg); |
|
|
3005 | |
|
|
3006 | /* this ought to be much cheaper than malloc + a single destructor call */ |
|
|
3007 | if (enter) SAVEDESTRUCTOR_X (savedestructor_unhook_enter, enter); |
|
|
3008 | if (leave) SAVEDESTRUCTOR_X (savedestructor_unhook_leave, leave); |
|
|
3009 | } |
|
|
3010 | |
2628 | /*****************************************************************************/ |
3011 | /*****************************************************************************/ |
2629 | /* PerlIO::cede */ |
3012 | /* PerlIO::cede */ |
2630 | |
3013 | |
2631 | typedef struct |
3014 | typedef struct |
2632 | { |
3015 | { |
2633 | PerlIOBuf base; |
3016 | PerlIOBuf base; |
2634 | NV next, every; |
3017 | NV next, every; |
2635 | } PerlIOCede; |
3018 | } PerlIOCede; |
2636 | |
3019 | |
2637 | static IV |
3020 | static IV ecb_cold |
2638 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
3021 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
2639 | { |
3022 | { |
2640 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
3023 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2641 | |
3024 | |
2642 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
3025 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
2643 | self->next = nvtime () + self->every; |
3026 | self->next = nvtime () + self->every; |
2644 | |
3027 | |
2645 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
3028 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
2646 | } |
3029 | } |
2647 | |
3030 | |
2648 | static SV * |
3031 | static SV * ecb_cold |
2649 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
3032 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
2650 | { |
3033 | { |
2651 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
3034 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2652 | |
3035 | |
2653 | return newSVnv (self->every); |
3036 | return newSVnv (self->every); |
… | |
… | |
2760 | XPUSHs (sv_2mortal (newRV_inc ((SV *)av))); |
3143 | XPUSHs (sv_2mortal (newRV_inc ((SV *)av))); |
2761 | PUTBACK; |
3144 | PUTBACK; |
2762 | call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR); |
3145 | call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR); |
2763 | } |
3146 | } |
2764 | |
3147 | |
2765 | SvREFCNT_dec (cb); |
3148 | SvREFCNT_dec_NN (cb); |
2766 | } |
3149 | } |
2767 | } |
3150 | } |
2768 | |
3151 | |
2769 | static void |
3152 | static void |
2770 | coro_semaphore_on_destroy (pTHX_ struct coro *coro) |
3153 | coro_semaphore_destroy (pTHX_ struct CoroSLF *frame) |
2771 | { |
3154 | { |
2772 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
3155 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
2773 | coro_semaphore_adjust (aTHX_ (AV *)coro->slf_frame.data, 0); |
3156 | coro_semaphore_adjust (aTHX_ (AV *)frame->data, 0); |
2774 | } |
3157 | } |
2775 | |
3158 | |
2776 | static int |
3159 | static int |
2777 | slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire) |
3160 | slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire) |
2778 | { |
3161 | { |
2779 | AV *av = (AV *)frame->data; |
3162 | AV *av = (AV *)frame->data; |
2780 | SV *count_sv = AvARRAY (av)[0]; |
3163 | SV *count_sv = AvARRAY (av)[0]; |
|
|
3164 | SV *coro_hv = SvRV (coro_current); |
|
|
3165 | |
|
|
3166 | frame->destroy = 0; |
2781 | |
3167 | |
2782 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
3168 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2783 | if (CORO_THROW) |
3169 | if (ecb_expect_false (CORO_THROW)) |
|
|
3170 | { |
|
|
3171 | /* we still might be responsible for the semaphore, so wake up others */ |
|
|
3172 | coro_semaphore_adjust (aTHX_ av, 0); |
|
|
3173 | |
2784 | return 0; |
3174 | return 0; |
|
|
3175 | } |
2785 | else if (SvIVX (count_sv) > 0) |
3176 | else if (SvIVX (count_sv) > 0) |
2786 | { |
3177 | { |
2787 | SvSTATE_current->on_destroy = 0; |
|
|
2788 | |
|
|
2789 | if (acquire) |
3178 | if (acquire) |
2790 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
3179 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2791 | else |
3180 | else |
2792 | coro_semaphore_adjust (aTHX_ av, 0); |
3181 | coro_semaphore_adjust (aTHX_ av, 0); |
2793 | |
3182 | |
… | |
… | |
2797 | { |
3186 | { |
2798 | int i; |
3187 | int i; |
2799 | /* if we were woken up but can't down, we look through the whole */ |
3188 | /* if we were woken up but can't down, we look through the whole */ |
2800 | /* waiters list and only add us if we aren't in there already */ |
3189 | /* waiters list and only add us if we aren't in there already */ |
2801 | /* this avoids some degenerate memory usage cases */ |
3190 | /* this avoids some degenerate memory usage cases */ |
2802 | |
3191 | for (i = AvFILLp (av); i > 0; --i) /* i > 0 is not an off-by-one bug */ |
2803 | for (i = 1; i <= AvFILLp (av); ++i) |
|
|
2804 | if (AvARRAY (av)[i] == SvRV (coro_current)) |
3192 | if (AvARRAY (av)[i] == coro_hv) |
2805 | return 1; |
3193 | return 1; |
2806 | |
3194 | |
2807 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
3195 | av_push (av, SvREFCNT_inc (coro_hv)); |
2808 | return 1; |
3196 | return 1; |
2809 | } |
3197 | } |
2810 | } |
3198 | } |
2811 | |
3199 | |
2812 | static int |
3200 | static int |
… | |
… | |
2835 | { |
3223 | { |
2836 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
3224 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2837 | |
3225 | |
2838 | frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); |
3226 | frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); |
2839 | frame->prepare = prepare_schedule; |
3227 | frame->prepare = prepare_schedule; |
2840 | |
|
|
2841 | /* to avoid race conditions when a woken-up coro gets terminated */ |
3228 | /* to avoid race conditions when a woken-up coro gets terminated */ |
2842 | /* we arrange for a temporary on_destroy that calls adjust (0) */ |
3229 | /* we arrange for a temporary on_destroy that calls adjust (0) */ |
2843 | SvSTATE_current->on_destroy = coro_semaphore_on_destroy; |
3230 | frame->destroy = coro_semaphore_destroy; |
2844 | } |
3231 | } |
2845 | } |
3232 | } |
2846 | |
3233 | |
2847 | static void |
3234 | static void |
2848 | slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
3235 | slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
… | |
… | |
2906 | { |
3293 | { |
2907 | api_ready (aTHX_ cb); |
3294 | api_ready (aTHX_ cb); |
2908 | sv_setiv (cb, 0); /* signal waiter */ |
3295 | sv_setiv (cb, 0); /* signal waiter */ |
2909 | } |
3296 | } |
2910 | |
3297 | |
2911 | SvREFCNT_dec (cb); |
3298 | SvREFCNT_dec_NN (cb); |
2912 | |
3299 | |
2913 | --count; |
3300 | --count; |
2914 | } |
3301 | } |
2915 | } |
3302 | } |
2916 | |
3303 | |
… | |
… | |
3001 | } |
3388 | } |
3002 | |
3389 | |
3003 | av_push (state, data_sv); |
3390 | av_push (state, data_sv); |
3004 | |
3391 | |
3005 | api_ready (aTHX_ coro); |
3392 | api_ready (aTHX_ coro); |
3006 | SvREFCNT_dec (coro); |
3393 | SvREFCNT_dec_NN (coro); |
3007 | SvREFCNT_dec ((AV *)state); |
3394 | SvREFCNT_dec_NN ((AV *)state); |
3008 | } |
3395 | } |
3009 | |
3396 | |
3010 | static int |
3397 | static int |
3011 | slf_check_aio_req (pTHX_ struct CoroSLF *frame) |
3398 | slf_check_aio_req (pTHX_ struct CoroSLF *frame) |
3012 | { |
3399 | { |
… | |
… | |
3017 | /* it quickly returns */ |
3404 | /* it quickly returns */ |
3018 | if (CORO_THROW) |
3405 | if (CORO_THROW) |
3019 | return 0; |
3406 | return 0; |
3020 | |
3407 | |
3021 | /* one element that is an RV? repeat! */ |
3408 | /* one element that is an RV? repeat! */ |
3022 | if (AvFILLp (state) == 0 && SvROK (AvARRAY (state)[0])) |
3409 | if (AvFILLp (state) == 0 && SvTYPE (AvARRAY (state)[0]) != SVt_PV) |
3023 | return 1; |
3410 | return 1; |
3024 | |
3411 | |
3025 | /* restore status */ |
3412 | /* restore status */ |
3026 | { |
3413 | { |
3027 | SV *data_sv = av_pop (state); |
3414 | SV *data_sv = av_pop (state); |
… | |
… | |
3030 | errno = data->errorno; |
3417 | errno = data->errorno; |
3031 | PL_laststype = data->laststype; |
3418 | PL_laststype = data->laststype; |
3032 | PL_laststatval = data->laststatval; |
3419 | PL_laststatval = data->laststatval; |
3033 | PL_statcache = data->statcache; |
3420 | PL_statcache = data->statcache; |
3034 | |
3421 | |
3035 | SvREFCNT_dec (data_sv); |
3422 | SvREFCNT_dec_NN (data_sv); |
3036 | } |
3423 | } |
3037 | |
3424 | |
3038 | /* push result values */ |
3425 | /* push result values */ |
3039 | { |
3426 | { |
3040 | dSP; |
3427 | dSP; |
… | |
… | |
3066 | dSP; |
3453 | dSP; |
3067 | |
3454 | |
3068 | static SV *prio_cv; |
3455 | static SV *prio_cv; |
3069 | static SV *prio_sv; |
3456 | static SV *prio_sv; |
3070 | |
3457 | |
3071 | if (expect_false (!prio_cv)) |
3458 | if (ecb_expect_false (!prio_cv)) |
3072 | { |
3459 | { |
3073 | prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0); |
3460 | prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0); |
3074 | prio_sv = newSViv (0); |
3461 | prio_sv = newSViv (0); |
3075 | } |
3462 | } |
3076 | |
3463 | |
… | |
… | |
3182 | } |
3569 | } |
3183 | |
3570 | |
3184 | return coro_sv; |
3571 | return coro_sv; |
3185 | } |
3572 | } |
3186 | |
3573 | |
|
|
3574 | #ifndef __cplusplus |
|
|
3575 | ecb_cold XS(boot_Coro__State); |
|
|
3576 | #endif |
|
|
3577 | |
|
|
3578 | #if CORO_JIT |
|
|
3579 | |
|
|
3580 | static void ecb_noinline ecb_cold |
|
|
3581 | pushav_4uv (pTHX_ UV a, UV b, UV c, UV d) |
|
|
3582 | { |
|
|
3583 | dSP; |
|
|
3584 | AV *av = newAV (); |
|
|
3585 | |
|
|
3586 | av_store (av, 3, newSVuv (d)); |
|
|
3587 | av_store (av, 2, newSVuv (c)); |
|
|
3588 | av_store (av, 1, newSVuv (b)); |
|
|
3589 | av_store (av, 0, newSVuv (a)); |
|
|
3590 | |
|
|
3591 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
3592 | |
|
|
3593 | PUTBACK; |
|
|
3594 | } |
|
|
3595 | |
|
|
3596 | static void ecb_noinline ecb_cold |
|
|
3597 | jit_init (pTHX) |
|
|
3598 | { |
|
|
3599 | dSP; |
|
|
3600 | SV *load, *save; |
|
|
3601 | char *map_base; |
|
|
3602 | char *load_ptr, *save_ptr; |
|
|
3603 | STRLEN load_len, save_len, map_len; |
|
|
3604 | int count; |
|
|
3605 | |
|
|
3606 | eval_pv ("require 'Coro/jit-" CORO_JIT_TYPE ".pl'", 1); |
|
|
3607 | |
|
|
3608 | PUSHMARK (SP); |
|
|
3609 | #define VARx(name,expr,type) pushav_4uv (aTHX_ (UV)&(expr), sizeof (expr), offsetof (perl_slots, name), sizeof (type)); |
|
|
3610 | #include "state.h" |
|
|
3611 | count = call_pv ("Coro::State::_jit", G_ARRAY); |
|
|
3612 | SPAGAIN; |
|
|
3613 | |
|
|
3614 | save = POPs; save_ptr = SvPVbyte (save, save_len); |
|
|
3615 | load = POPs; load_ptr = SvPVbyte (load, load_len); |
|
|
3616 | |
|
|
3617 | map_len = load_len + save_len + 16; |
|
|
3618 | |
|
|
3619 | map_base = mmap (0, map_len, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); |
|
|
3620 | |
|
|
3621 | if (map_base == (char *)MAP_FAILED) |
|
|
3622 | map_base = mmap (0, map_len, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); |
|
|
3623 | |
|
|
3624 | assert (("Coro: unable to mmap jit code page, cannot continue.", map_base != (char *)MAP_FAILED)); |
|
|
3625 | |
|
|
3626 | load_perl_slots = (load_save_perl_slots_type)map_base; |
|
|
3627 | memcpy (map_base, load_ptr, load_len); |
|
|
3628 | |
|
|
3629 | map_base += (load_len + 15) & ~15; |
|
|
3630 | |
|
|
3631 | save_perl_slots = (load_save_perl_slots_type)map_base; |
|
|
3632 | memcpy (map_base, save_ptr, save_len); |
|
|
3633 | |
|
|
3634 | /* we are good citizens and try to make the page read-only, so the evil evil */ |
|
|
3635 | /* hackers might have it a bit more difficult */ |
|
|
3636 | mprotect (map_base, map_len, PROT_READ | PROT_EXEC); |
|
|
3637 | |
|
|
3638 | PUTBACK; |
|
|
3639 | eval_pv ("undef &Coro::State::_jit", 1); |
|
|
3640 | } |
|
|
3641 | |
|
|
3642 | #endif |
|
|
3643 | |
3187 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
3644 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
3188 | |
3645 | |
3189 | PROTOTYPES: DISABLE |
3646 | PROTOTYPES: DISABLE |
3190 | |
3647 | |
3191 | BOOT: |
3648 | BOOT: |
3192 | { |
3649 | { |
|
|
3650 | #define VARx(name,expr,type) if (sizeof (type) < sizeof (expr)) croak ("FATAL: Coro thread context slot '" # name "' too small for this version of perl."); |
|
|
3651 | #include "state.h" |
3193 | #ifdef USE_ITHREADS |
3652 | #ifdef USE_ITHREADS |
3194 | # if CORO_PTHREAD |
3653 | # if CORO_PTHREAD |
3195 | coro_thx = PERL_GET_CONTEXT; |
3654 | coro_thx = PERL_GET_CONTEXT; |
3196 | # endif |
3655 | # endif |
3197 | #endif |
3656 | #endif |
3198 | BOOT_PAGESIZE; |
3657 | /* perl defines these to check for existance first, but why it doesn't */ |
|
|
3658 | /* just create them one at init time is not clear to me, except for */ |
|
|
3659 | /* programs trying to delete them, but... */ |
|
|
3660 | /* anyway, we declare this as invalid and make sure they are initialised here */ |
|
|
3661 | DEFSV; |
|
|
3662 | ERRSV; |
3199 | |
3663 | |
3200 | cctx_current = cctx_new_empty (); |
3664 | cctx_current = cctx_new_empty (); |
3201 | |
3665 | |
3202 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3666 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3203 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3667 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3204 | |
3668 | |
3205 | orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get; |
3669 | { |
3206 | orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set; |
3670 | /* |
3207 | orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr; |
3671 | * we provide a vtbvl for %SIG magic that replaces PL_vtbl_sig |
|
|
3672 | * by coro_sig_vtbl in hash values. |
|
|
3673 | */ |
|
|
3674 | MAGIC *mg = mg_find ((SV *)GvHV (gv_fetchpv ("SIG", GV_ADD | GV_NOTQUAL, SVt_PVHV)), PERL_MAGIC_sig); |
|
|
3675 | |
|
|
3676 | /* this only works if perl doesn't have a vtbl for %SIG */ |
|
|
3677 | assert (!mg->mg_virtual); |
|
|
3678 | |
|
|
3679 | /* |
|
|
3680 | * The irony is that the perl API itself asserts that mg_virtual |
|
|
3681 | * must be non-const, yet perl5porters insisted on marking their |
|
|
3682 | * vtbls as read-only, just to thwart perl modules from patching |
|
|
3683 | * them. |
|
|
3684 | */ |
|
|
3685 | mg->mg_virtual = (MGVTBL *)&coro_sig_vtbl; |
|
|
3686 | mg->mg_flags |= MGf_COPY; |
|
|
3687 | |
|
|
3688 | coro_sigelem_vtbl = PL_vtbl_sigelem; |
|
|
3689 | coro_sigelem_vtbl.svt_get = coro_sigelem_get; |
|
|
3690 | coro_sigelem_vtbl.svt_set = coro_sigelem_set; |
|
|
3691 | coro_sigelem_vtbl.svt_clear = coro_sigelem_clr; |
|
|
3692 | } |
3208 | |
3693 | |
3209 | hv_sig = coro_get_hv (aTHX_ "SIG", TRUE); |
|
|
3210 | rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV)); |
3694 | rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV)); |
3211 | rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV)); |
3695 | rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV)); |
3212 | |
3696 | |
3213 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
3697 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
|
|
3698 | |
|
|
3699 | newCONSTSUB (coro_state_stash, "BACKEND", newSVpv (CORO_BACKEND, 0)); /* undocumented */ |
3214 | |
3700 | |
3215 | newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE)); |
3701 | newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE)); |
3216 | newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB)); |
3702 | newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB)); |
3217 | newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE)); |
3703 | newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE)); |
3218 | newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL)); |
3704 | newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL)); |
… | |
… | |
3246 | coroapi.prepare_cede_notself = prepare_cede_notself; |
3732 | coroapi.prepare_cede_notself = prepare_cede_notself; |
3247 | |
3733 | |
3248 | time_init (aTHX); |
3734 | time_init (aTHX); |
3249 | |
3735 | |
3250 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
3736 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
|
|
3737 | #if CORO_JIT |
|
|
3738 | PUTBACK; |
|
|
3739 | jit_init (aTHX); |
|
|
3740 | SPAGAIN; |
|
|
3741 | #endif |
3251 | } |
3742 | } |
3252 | |
3743 | |
3253 | SV * |
3744 | SV * |
3254 | new (SV *klass, ...) |
3745 | new (SV *klass, ...) |
3255 | ALIAS: |
3746 | ALIAS: |
… | |
… | |
3262 | void |
3753 | void |
3263 | transfer (...) |
3754 | transfer (...) |
3264 | PROTOTYPE: $$ |
3755 | PROTOTYPE: $$ |
3265 | CODE: |
3756 | CODE: |
3266 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3757 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3267 | |
|
|
3268 | void |
|
|
3269 | _exit (int code) |
|
|
3270 | PROTOTYPE: $ |
|
|
3271 | CODE: |
|
|
3272 | _exit (code); |
|
|
3273 | |
3758 | |
3274 | SV * |
3759 | SV * |
3275 | clone (Coro::State coro) |
3760 | clone (Coro::State coro) |
3276 | CODE: |
3761 | CODE: |
3277 | { |
3762 | { |
… | |
… | |
3332 | void |
3817 | void |
3333 | list () |
3818 | list () |
3334 | PROTOTYPE: |
3819 | PROTOTYPE: |
3335 | PPCODE: |
3820 | PPCODE: |
3336 | { |
3821 | { |
3337 | struct coro *coro; |
3822 | struct coro *coro; |
3338 | for (coro = coro_first; coro; coro = coro->next) |
3823 | for (coro = coro_first; coro; coro = coro->next) |
3339 | if (coro->hv) |
3824 | if (coro->hv) |
3340 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
3825 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
3341 | } |
3826 | } |
3342 | |
3827 | |
… | |
… | |
3344 | call (Coro::State coro, SV *coderef) |
3829 | call (Coro::State coro, SV *coderef) |
3345 | ALIAS: |
3830 | ALIAS: |
3346 | eval = 1 |
3831 | eval = 1 |
3347 | CODE: |
3832 | CODE: |
3348 | { |
3833 | { |
|
|
3834 | struct coro *current = SvSTATE_current; |
|
|
3835 | |
3349 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
3836 | if ((coro == current) || (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot))) |
3350 | { |
3837 | { |
3351 | struct coro *current = SvSTATE_current; |
|
|
3352 | struct CoroSLF slf_save; |
3838 | struct CoroSLF slf_save; |
3353 | |
3839 | |
3354 | if (current != coro) |
3840 | if (current != coro) |
3355 | { |
3841 | { |
3356 | PUTBACK; |
3842 | PUTBACK; |
… | |
… | |
3397 | PROTOTYPE: $ |
3883 | PROTOTYPE: $ |
3398 | ALIAS: |
3884 | ALIAS: |
3399 | is_ready = CF_READY |
3885 | is_ready = CF_READY |
3400 | is_running = CF_RUNNING |
3886 | is_running = CF_RUNNING |
3401 | is_new = CF_NEW |
3887 | is_new = CF_NEW |
3402 | is_destroyed = CF_DESTROYED |
3888 | is_destroyed = CF_ZOMBIE |
|
|
3889 | is_zombie = CF_ZOMBIE |
3403 | is_suspended = CF_SUSPENDED |
3890 | is_suspended = CF_SUSPENDED |
3404 | CODE: |
3891 | CODE: |
3405 | RETVAL = boolSV (coro->flags & ix); |
3892 | RETVAL = boolSV (coro->flags & ix); |
3406 | OUTPUT: |
3893 | OUTPUT: |
3407 | RETVAL |
3894 | RETVAL |
3408 | |
3895 | |
3409 | void |
3896 | void |
3410 | throw (Coro::State self, SV *exception = &PL_sv_undef) |
3897 | throw (SV *self, SV *exception = &PL_sv_undef) |
3411 | PROTOTYPE: $;$ |
3898 | PROTOTYPE: $;$ |
3412 | CODE: |
3899 | CODE: |
3413 | { |
3900 | { |
|
|
3901 | struct coro *coro = SvSTATE (self); |
3414 | struct coro *current = SvSTATE_current; |
3902 | struct coro *current = SvSTATE_current; |
3415 | SV **exceptionp = self == current ? &CORO_THROW : &self->except; |
3903 | SV **exceptionp = coro == current ? &CORO_THROW : &coro->except; |
3416 | SvREFCNT_dec (*exceptionp); |
3904 | SvREFCNT_dec (*exceptionp); |
3417 | SvGETMAGIC (exception); |
3905 | SvGETMAGIC (exception); |
3418 | *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; |
3906 | *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; |
|
|
3907 | |
|
|
3908 | api_ready (aTHX_ self); |
3419 | } |
3909 | } |
3420 | |
3910 | |
3421 | void |
3911 | void |
3422 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3912 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3423 | PROTOTYPE: $;$ |
3913 | PROTOTYPE: $;$ |
… | |
… | |
3500 | |
3990 | |
3501 | void |
3991 | void |
3502 | times (Coro::State self) |
3992 | times (Coro::State self) |
3503 | PPCODE: |
3993 | PPCODE: |
3504 | { |
3994 | { |
3505 | struct coro *current = SvSTATE (coro_current); |
3995 | struct coro *current = SvSTATE (coro_current); |
3506 | |
3996 | |
3507 | if (expect_false (current == self)) |
3997 | if (ecb_expect_false (current == self)) |
3508 | { |
3998 | { |
3509 | coro_times_update (); |
3999 | coro_times_update (); |
3510 | coro_times_add (SvSTATE (coro_current)); |
4000 | coro_times_add (SvSTATE (coro_current)); |
3511 | } |
4001 | } |
3512 | |
4002 | |
3513 | EXTEND (SP, 2); |
4003 | EXTEND (SP, 2); |
3514 | PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9))); |
4004 | PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9))); |
3515 | PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9))); |
4005 | PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9))); |
3516 | |
4006 | |
3517 | if (expect_false (current == self)) |
4007 | if (ecb_expect_false (current == self)) |
3518 | coro_times_sub (SvSTATE (coro_current)); |
4008 | coro_times_sub (SvSTATE (coro_current)); |
3519 | } |
4009 | } |
3520 | |
4010 | |
3521 | void |
4011 | void |
3522 | swap_sv (Coro::State coro, SV *sv, SV *swapsv) |
4012 | swap_sv (Coro::State coro, SV *sva, SV *svb) |
3523 | CODE: |
4013 | CODE: |
3524 | { |
4014 | { |
3525 | struct coro *current = SvSTATE_current; |
4015 | struct coro *current = SvSTATE_current; |
|
|
4016 | AV *swap_sv; |
|
|
4017 | int i; |
|
|
4018 | |
|
|
4019 | sva = SvRV (sva); |
|
|
4020 | svb = SvRV (svb); |
3526 | |
4021 | |
3527 | if (current == coro) |
4022 | if (current == coro) |
3528 | SWAP_SVS (current); |
4023 | SWAP_SVS_LEAVE (current); |
3529 | |
4024 | |
3530 | if (!coro->swap_sv) |
4025 | if (!coro->swap_sv) |
3531 | coro->swap_sv = newAV (); |
4026 | coro->swap_sv = newAV (); |
3532 | |
4027 | |
|
|
4028 | swap_sv = coro->swap_sv; |
|
|
4029 | |
|
|
4030 | for (i = AvFILLp (swap_sv) - 1; i >= 0; i -= 2) |
|
|
4031 | { |
|
|
4032 | SV *a = AvARRAY (swap_sv)[i ]; |
|
|
4033 | SV *b = AvARRAY (swap_sv)[i + 1]; |
|
|
4034 | |
|
|
4035 | if (a == sva && b == svb) |
|
|
4036 | { |
|
|
4037 | SvREFCNT_dec_NN (a); |
|
|
4038 | SvREFCNT_dec_NN (b); |
|
|
4039 | |
|
|
4040 | for (; i <= AvFILLp (swap_sv) - 2; i++) |
|
|
4041 | AvARRAY (swap_sv)[i] = AvARRAY (swap_sv)[i + 2]; |
|
|
4042 | |
|
|
4043 | AvFILLp (swap_sv) -= 2; |
|
|
4044 | |
|
|
4045 | goto removed; |
|
|
4046 | } |
|
|
4047 | } |
|
|
4048 | |
3533 | av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (sv ))); |
4049 | av_push (swap_sv, SvREFCNT_inc_NN (sva)); |
3534 | av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (swapsv))); |
4050 | av_push (swap_sv, SvREFCNT_inc_NN (svb)); |
|
|
4051 | |
|
|
4052 | removed: |
3535 | |
4053 | |
3536 | if (current == coro) |
4054 | if (current == coro) |
3537 | SWAP_SVS (current); |
4055 | SWAP_SVS_ENTER (current); |
3538 | } |
4056 | } |
3539 | |
4057 | |
3540 | |
4058 | |
3541 | MODULE = Coro::State PACKAGE = Coro |
4059 | MODULE = Coro::State PACKAGE = Coro |
3542 | |
4060 | |
3543 | BOOT: |
4061 | BOOT: |
3544 | { |
4062 | { |
|
|
4063 | if (SVt_LAST > 32) |
|
|
4064 | croak ("Coro internal error: SVt_LAST > 32, swap_sv might need adjustment"); |
|
|
4065 | |
3545 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
4066 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3546 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
4067 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3547 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
4068 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
3548 | cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD); |
|
|
3549 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
4069 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
3550 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
4070 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
3551 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
4071 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
3552 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
4072 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
3553 | sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); |
4073 | sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); |
3554 | |
4074 | |
3555 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
4075 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3556 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
4076 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
3557 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
4077 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
3558 | CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */ |
4078 | CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */ |
3559 | |
4079 | |
3560 | coro_stash = gv_stashpv ("Coro", TRUE); |
4080 | coro_stash = gv_stashpv ("Coro", TRUE); |
3561 | |
4081 | |
3562 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
4082 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
3563 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
4083 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
3564 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL)); |
4084 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL)); |
… | |
… | |
3576 | coroapi.ready = api_ready; |
4096 | coroapi.ready = api_ready; |
3577 | coroapi.is_ready = api_is_ready; |
4097 | coroapi.is_ready = api_is_ready; |
3578 | coroapi.nready = coro_nready; |
4098 | coroapi.nready = coro_nready; |
3579 | coroapi.current = coro_current; |
4099 | coroapi.current = coro_current; |
3580 | |
4100 | |
|
|
4101 | coroapi.enterleave_hook = api_enterleave_hook; |
|
|
4102 | coroapi.enterleave_unhook = api_enterleave_unhook; |
|
|
4103 | coroapi.enterleave_scope_hook = api_enterleave_scope_hook; |
|
|
4104 | |
3581 | /*GCoroAPI = &coroapi;*/ |
4105 | /*GCoroAPI = &coroapi;*/ |
3582 | sv_setiv (sv, (IV)&coroapi); |
4106 | sv_setiv (sv, PTR2IV (&coroapi)); |
3583 | SvREADONLY_on (sv); |
4107 | SvREADONLY_on (sv); |
3584 | } |
4108 | } |
3585 | } |
4109 | } |
3586 | |
4110 | |
3587 | SV * |
4111 | SV * |
… | |
… | |
3596 | void |
4120 | void |
3597 | _destroy (Coro::State coro) |
4121 | _destroy (Coro::State coro) |
3598 | CODE: |
4122 | CODE: |
3599 | /* used by the manager thread */ |
4123 | /* used by the manager thread */ |
3600 | coro_state_destroy (aTHX_ coro); |
4124 | coro_state_destroy (aTHX_ coro); |
|
|
4125 | |
|
|
4126 | void |
|
|
4127 | on_destroy (Coro::State coro, SV *cb) |
|
|
4128 | CODE: |
3601 | coro_call_on_destroy (aTHX_ coro); |
4129 | coro_push_on_destroy (aTHX_ coro, newSVsv (cb)); |
|
|
4130 | |
|
|
4131 | void |
|
|
4132 | join (...) |
|
|
4133 | CODE: |
|
|
4134 | CORO_EXECUTE_SLF_XS (slf_init_join); |
3602 | |
4135 | |
3603 | void |
4136 | void |
3604 | terminate (...) |
4137 | terminate (...) |
3605 | CODE: |
4138 | CODE: |
3606 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
4139 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
… | |
… | |
3608 | void |
4141 | void |
3609 | cancel (...) |
4142 | cancel (...) |
3610 | CODE: |
4143 | CODE: |
3611 | CORO_EXECUTE_SLF_XS (slf_init_cancel); |
4144 | CORO_EXECUTE_SLF_XS (slf_init_cancel); |
3612 | |
4145 | |
|
|
4146 | int |
|
|
4147 | safe_cancel (Coro::State self, ...) |
|
|
4148 | C_ARGS: aTHX_ self, &ST (1), items - 1 |
|
|
4149 | |
3613 | void |
4150 | void |
3614 | schedule (...) |
4151 | schedule (...) |
3615 | CODE: |
4152 | CODE: |
3616 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
4153 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
3617 | |
4154 | |
… | |
… | |
3637 | |
4174 | |
3638 | void |
4175 | void |
3639 | _set_current (SV *current) |
4176 | _set_current (SV *current) |
3640 | PROTOTYPE: $ |
4177 | PROTOTYPE: $ |
3641 | CODE: |
4178 | CODE: |
3642 | SvREFCNT_dec (SvRV (coro_current)); |
4179 | SvREFCNT_dec_NN (SvRV (coro_current)); |
3643 | SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current))); |
4180 | SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current))); |
3644 | |
4181 | |
3645 | void |
4182 | void |
3646 | _set_readyhook (SV *hook) |
4183 | _set_readyhook (SV *hook) |
3647 | PROTOTYPE: $ |
4184 | PROTOTYPE: $ |
… | |
… | |
3731 | |
4268 | |
3732 | if ((SV *)hv == &PL_sv_undef) |
4269 | if ((SV *)hv == &PL_sv_undef) |
3733 | { |
4270 | { |
3734 | SV *sv = coro_new (aTHX_ coro_stash, (SV **)&cv_pool_handler, 1, 1); |
4271 | SV *sv = coro_new (aTHX_ coro_stash, (SV **)&cv_pool_handler, 1, 1); |
3735 | hv = (HV *)SvREFCNT_inc_NN (SvRV (sv)); |
4272 | hv = (HV *)SvREFCNT_inc_NN (SvRV (sv)); |
3736 | SvREFCNT_dec (sv); |
4273 | SvREFCNT_dec_NN (sv); |
3737 | } |
4274 | } |
3738 | |
4275 | |
3739 | { |
4276 | { |
3740 | struct coro *coro = SvSTATE_hv (hv); |
4277 | struct coro *coro = SvSTATE_hv (hv); |
3741 | |
4278 | |
… | |
… | |
3748 | api_ready (aTHX_ (SV *)hv); |
4285 | api_ready (aTHX_ (SV *)hv); |
3749 | |
4286 | |
3750 | if (GIMME_V != G_VOID) |
4287 | if (GIMME_V != G_VOID) |
3751 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv))); |
4288 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv))); |
3752 | else |
4289 | else |
3753 | SvREFCNT_dec (hv); |
4290 | SvREFCNT_dec_NN (hv); |
3754 | } |
4291 | } |
3755 | |
4292 | |
3756 | SV * |
4293 | SV * |
3757 | rouse_cb () |
4294 | rouse_cb () |
3758 | PROTOTYPE: |
4295 | PROTOTYPE: |
… | |
… | |
3773 | on_leave = 1 |
4310 | on_leave = 1 |
3774 | PROTOTYPE: & |
4311 | PROTOTYPE: & |
3775 | CODE: |
4312 | CODE: |
3776 | { |
4313 | { |
3777 | struct coro *coro = SvSTATE_current; |
4314 | struct coro *coro = SvSTATE_current; |
3778 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
4315 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
3779 | |
4316 | |
3780 | block = s_get_cv_croak (block); |
4317 | block = s_get_cv_croak (block); |
3781 | |
4318 | |
3782 | if (!*avp) |
4319 | if (!*avp) |
3783 | *avp = newAV (); |
4320 | *avp = newAV (); |
… | |
… | |
3803 | |
4340 | |
3804 | SV * |
4341 | SV * |
3805 | new (SV *klass, SV *count = 0) |
4342 | new (SV *klass, SV *count = 0) |
3806 | CODE: |
4343 | CODE: |
3807 | { |
4344 | { |
3808 | int semcnt = 1; |
4345 | int semcnt = 1; |
3809 | |
4346 | |
3810 | if (count) |
4347 | if (count) |
3811 | { |
4348 | { |
3812 | SvGETMAGIC (count); |
4349 | SvGETMAGIC (count); |
3813 | |
4350 | |
… | |
… | |
3837 | RETVAL = newSVsv (AvARRAY ((AV *)SvRV (self))[0]); |
4374 | RETVAL = newSVsv (AvARRAY ((AV *)SvRV (self))[0]); |
3838 | OUTPUT: |
4375 | OUTPUT: |
3839 | RETVAL |
4376 | RETVAL |
3840 | |
4377 | |
3841 | void |
4378 | void |
3842 | up (SV *self, int adjust = 1) |
4379 | up (SV *self) |
3843 | ALIAS: |
|
|
3844 | adjust = 1 |
|
|
3845 | CODE: |
4380 | CODE: |
|
|
4381 | coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), 1); |
|
|
4382 | |
|
|
4383 | void |
|
|
4384 | adjust (SV *self, int adjust) |
|
|
4385 | CODE: |
3846 | coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), ix ? adjust : 1); |
4386 | coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), adjust); |
3847 | |
4387 | |
3848 | void |
4388 | void |
3849 | down (...) |
4389 | down (...) |
3850 | CODE: |
4390 | CODE: |
3851 | CORO_EXECUTE_SLF_XS (slf_init_semaphore_down); |
4391 | CORO_EXECUTE_SLF_XS (slf_init_semaphore_down); |
… | |
… | |
3873 | XSRETURN_NO; |
4413 | XSRETURN_NO; |
3874 | } |
4414 | } |
3875 | |
4415 | |
3876 | void |
4416 | void |
3877 | waiters (SV *self) |
4417 | waiters (SV *self) |
3878 | PPCODE: |
4418 | PPCODE: |
3879 | { |
4419 | { |
3880 | AV *av = (AV *)SvRV (self); |
4420 | AV *av = (AV *)SvRV (self); |
3881 | int wcount = AvFILLp (av) + 1 - 1; |
4421 | int wcount = AvFILLp (av) + 1 - 1; |
3882 | |
4422 | |
3883 | if (GIMME_V == G_SCALAR) |
4423 | if (GIMME_V == G_SCALAR) |
… | |
… | |
3892 | } |
4432 | } |
3893 | |
4433 | |
3894 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
4434 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
3895 | |
4435 | |
3896 | void |
4436 | void |
3897 | _may_delete (SV *sem, int count, int extra_refs) |
4437 | _may_delete (SV *sem, int count, unsigned int extra_refs) |
3898 | PPCODE: |
4438 | PPCODE: |
3899 | { |
4439 | { |
3900 | AV *av = (AV *)SvRV (sem); |
4440 | AV *av = (AV *)SvRV (sem); |
3901 | |
4441 | |
3902 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
4442 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
3903 | && AvFILLp (av) == 0 /* no waiters, just count */ |
4443 | && AvFILLp (av) == 0 /* no waiters, just count */ |
3904 | && SvIV (AvARRAY (av)[0]) == count) |
4444 | && SvIV (AvARRAY (av)[0]) == count) |
3905 | XSRETURN_YES; |
4445 | XSRETURN_YES; |
… | |
… | |
3926 | |
4466 | |
3927 | void |
4467 | void |
3928 | broadcast (SV *self) |
4468 | broadcast (SV *self) |
3929 | CODE: |
4469 | CODE: |
3930 | { |
4470 | { |
3931 | AV *av = (AV *)SvRV (self); |
4471 | AV *av = (AV *)SvRV (self); |
3932 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
4472 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
3933 | } |
4473 | } |
3934 | |
4474 | |
3935 | void |
4475 | void |
3936 | send (SV *self) |
4476 | send (SV *self) |
… | |
… | |
3944 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
4484 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
3945 | } |
4485 | } |
3946 | |
4486 | |
3947 | IV |
4487 | IV |
3948 | awaited (SV *self) |
4488 | awaited (SV *self) |
3949 | CODE: |
4489 | CODE: |
3950 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
4490 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
3951 | OUTPUT: |
4491 | OUTPUT: |
3952 | RETVAL |
4492 | RETVAL |
3953 | |
4493 | |
3954 | |
4494 | |
… | |
… | |
3959 | |
4499 | |
3960 | void |
4500 | void |
3961 | _schedule (...) |
4501 | _schedule (...) |
3962 | CODE: |
4502 | CODE: |
3963 | { |
4503 | { |
3964 | static int incede; |
4504 | static int incede; |
3965 | |
4505 | |
3966 | api_cede_notself (aTHX); |
4506 | api_cede_notself (aTHX); |
3967 | |
4507 | |
3968 | ++incede; |
4508 | ++incede; |
3969 | while (coro_nready >= incede && api_cede (aTHX)) |
4509 | while (coro_nready >= incede && api_cede (aTHX)) |
… | |
… | |
4013 | { |
4553 | { |
4014 | PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; |
4554 | PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; |
4015 | coro_old_pp_sselect = 0; |
4555 | coro_old_pp_sselect = 0; |
4016 | } |
4556 | } |
4017 | |
4557 | |
|
|
4558 | MODULE = Coro::State PACKAGE = Coro::Util |
|
|
4559 | |
|
|
4560 | void |
|
|
4561 | _exit (int code) |
|
|
4562 | CODE: |
|
|
4563 | _exit (code); |
|
|
4564 | |
|
|
4565 | NV |
|
|
4566 | time () |
|
|
4567 | CODE: |
|
|
4568 | RETVAL = nvtime (aTHX); |
|
|
4569 | OUTPUT: |
|
|
4570 | RETVAL |
|
|
4571 | |
|
|
4572 | NV |
|
|
4573 | gettimeofday () |
|
|
4574 | PPCODE: |
|
|
4575 | { |
|
|
4576 | UV tv [2]; |
|
|
4577 | u2time (aTHX_ tv); |
|
|
4578 | EXTEND (SP, 2); |
|
|
4579 | PUSHs (sv_2mortal (newSVuv (tv [0]))); |
|
|
4580 | PUSHs (sv_2mortal (newSVuv (tv [1]))); |
|
|
4581 | } |
|
|
4582 | |