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1 | /* this works around a bug in mingw32 providing a non-working setjmp */ |
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2 | #define USE_NO_MINGW_SETJMP_TWO_ARGS |
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3 | |
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4 | #define NDEBUG 1 /* perl usually disables NDEBUG later */ |
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5 | |
1 | #include "libcoro/coro.c" |
6 | #include "libcoro/coro.c" |
2 | |
7 | |
3 | #define PERL_NO_GET_CONTEXT |
8 | #define PERL_NO_GET_CONTEXT |
4 | #define PERL_EXT |
9 | #define PERL_EXT |
5 | |
10 | |
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8 | #include "XSUB.h" |
13 | #include "XSUB.h" |
9 | #include "perliol.h" |
14 | #include "perliol.h" |
10 | |
15 | |
11 | #include "schmorp.h" |
16 | #include "schmorp.h" |
12 | |
17 | |
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18 | #define ECB_NO_THREADS 1 |
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19 | #define ECB_NO_LIBM 1 |
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20 | #include "ecb.h" |
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21 | |
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22 | #include <stddef.h> |
13 | #include <stdio.h> |
23 | #include <stdio.h> |
14 | #include <errno.h> |
24 | #include <errno.h> |
15 | #include <assert.h> |
25 | #include <assert.h> |
16 | |
26 | |
17 | #ifdef WIN32 |
27 | #ifndef SvREFCNT_dec_NN |
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28 | #define SvREFCNT_dec_NN(sv) SvREFCNT_dec (sv) |
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29 | #endif |
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30 | |
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31 | #ifndef SvREFCNT_inc_NN |
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32 | #define SvREFCNT_inc_NN(sv) SvREFCNT_inc (sv) |
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33 | #endif |
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34 | |
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35 | #ifndef SVs_PADSTALE |
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36 | # define SVs_PADSTALE 0 |
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37 | #endif |
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38 | |
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39 | #ifdef PadARRAY |
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40 | # define NEWPADAPI 1 |
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41 | # define newPADLIST(var) (Newz (0, var, 1, PADLIST), Newx (PadlistARRAY (var), 2, PAD *)) |
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42 | #else |
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43 | typedef AV PADNAMELIST; |
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44 | # if !PERL_VERSION_ATLEAST(5,8,0) |
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45 | typedef AV PADLIST; |
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46 | typedef AV PAD; |
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47 | # endif |
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48 | # define PadlistARRAY(pl) ((PAD **)AvARRAY (pl)) |
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49 | # define PadlistMAX(pl) AvFILLp (pl) |
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50 | # define PadlistNAMES(pl) (*PadlistARRAY (pl)) |
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51 | # define PadARRAY AvARRAY |
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52 | # define PadMAX AvFILLp |
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53 | # define newPADLIST(var) ((var) = newAV (), av_extend (var, 1)) |
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54 | #endif |
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55 | #ifndef PadnamelistREFCNT |
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56 | # define PadnamelistREFCNT(pnl) SvREFCNT (pnl) |
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57 | #endif |
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58 | #ifndef PadnamelistREFCNT_dec |
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59 | # define PadnamelistREFCNT_dec(pnl) SvREFCNT_dec (pnl) |
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60 | #endif |
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61 | |
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62 | /* 5.19.something has replaced SVt_BIND by SVt_INVLIST */ |
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63 | /* we just alias it to SVt_IV, as that is sufficient for swap_sv for now */ |
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64 | #if PERL_VERSION_ATLEAST(5,19,0) |
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65 | # define SVt_BIND SVt_IV |
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66 | #endif |
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67 | |
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68 | #if defined(_WIN32) |
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69 | # undef HAS_GETTIMEOFDAY |
18 | # undef setjmp |
70 | # undef setjmp |
19 | # undef longjmp |
71 | # undef longjmp |
20 | # undef _exit |
72 | # undef _exit |
21 | # define setjmp _setjmp /* deep magic */ |
73 | # define setjmp _setjmp /* deep magic */ |
22 | #else |
74 | #else |
23 | # include <inttypes.h> /* most portable stdint.h */ |
75 | # include <inttypes.h> /* most portable stdint.h */ |
24 | #endif |
76 | #endif |
25 | |
77 | |
26 | #ifdef HAVE_MMAP |
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27 | # include <unistd.h> |
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28 | # include <sys/mman.h> |
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29 | # ifndef MAP_ANONYMOUS |
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30 | # ifdef MAP_ANON |
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31 | # define MAP_ANONYMOUS MAP_ANON |
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32 | # else |
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33 | # undef HAVE_MMAP |
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34 | # endif |
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35 | # endif |
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36 | # include <limits.h> |
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37 | # ifndef PAGESIZE |
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38 | # define PAGESIZE pagesize |
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39 | # define BOOT_PAGESIZE pagesize = sysconf (_SC_PAGESIZE) |
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40 | static long pagesize; |
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41 | # else |
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42 | # define BOOT_PAGESIZE (void)0 |
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43 | # endif |
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44 | #else |
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45 | # define PAGESIZE 0 |
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46 | # define BOOT_PAGESIZE (void)0 |
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47 | #endif |
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48 | |
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49 | #if CORO_USE_VALGRIND |
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50 | # include <valgrind/valgrind.h> |
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51 | #endif |
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52 | |
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53 | /* the maximum number of idle cctx that will be pooled */ |
78 | /* the maximum number of idle cctx that will be pooled */ |
54 | static int cctx_max_idle = 4; |
79 | static int cctx_max_idle = 4; |
55 | |
80 | |
56 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
81 | #if defined(DEBUGGING) && PERL_VERSION_ATLEAST(5,12,0) |
57 | # undef CORO_STACKGUARD |
82 | # define HAS_SCOPESTACK_NAME 1 |
58 | #endif |
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59 | |
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60 | #ifndef CORO_STACKGUARD |
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61 | # define CORO_STACKGUARD 0 |
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62 | #endif |
83 | #endif |
63 | |
84 | |
64 | /* prefer perl internal functions over our own? */ |
85 | /* prefer perl internal functions over our own? */ |
65 | #ifndef CORO_PREFER_PERL_FUNCTIONS |
86 | #ifndef CORO_PREFER_PERL_FUNCTIONS |
66 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
87 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
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76 | # define STACKLEVEL ((void *)&stacklevel) |
97 | # define STACKLEVEL ((void *)&stacklevel) |
77 | #endif |
98 | #endif |
78 | |
99 | |
79 | #define IN_DESTRUCT PL_dirty |
100 | #define IN_DESTRUCT PL_dirty |
80 | |
101 | |
81 | #if __GNUC__ >= 3 |
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82 | # define attribute(x) __attribute__(x) |
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83 | # define expect(expr,value) __builtin_expect ((expr), (value)) |
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84 | # define INLINE static inline |
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85 | #else |
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86 | # define attribute(x) |
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87 | # define expect(expr,value) (expr) |
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88 | # define INLINE static |
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89 | #endif |
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90 | |
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91 | #define expect_false(expr) expect ((expr) != 0, 0) |
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92 | #define expect_true(expr) expect ((expr) != 0, 1) |
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93 | |
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94 | #define NOINLINE attribute ((noinline)) |
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95 | |
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96 | #include "CoroAPI.h" |
102 | #include "CoroAPI.h" |
97 | #define GCoroAPI (&coroapi) /* very sneaky */ |
103 | #define GCoroAPI (&coroapi) /* very sneaky */ |
98 | |
104 | |
99 | #ifdef USE_ITHREADS |
105 | #ifdef USE_ITHREADS |
100 | # if CORO_PTHREAD |
106 | # if CORO_PTHREAD |
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110 | # define CORO_CLOCK_MONOTONIC 1 |
116 | # define CORO_CLOCK_MONOTONIC 1 |
111 | # define CORO_CLOCK_THREAD_CPUTIME_ID 3 |
117 | # define CORO_CLOCK_THREAD_CPUTIME_ID 3 |
112 | # endif |
118 | # endif |
113 | #endif |
119 | #endif |
114 | |
120 | |
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121 | /* one off bugfix for perl 5.22 */ |
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122 | #if PERL_VERSION_ATLEAST(5,22,0) && !PERL_VERSION_ATLEAST(5,24,0) |
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123 | # undef PadlistNAMES |
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124 | # define PadlistNAMES(pl) *((PADNAMELIST **)PadlistARRAY (pl)) |
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125 | #endif |
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126 | |
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127 | #if PERL_VERSION_ATLEAST(5,24,0) |
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128 | # define SUB_ARGARRAY PL_curpad[0] |
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129 | #else |
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130 | # define SUB_ARGARRAY (SV *)cx->blk_sub.argarray |
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131 | #endif |
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132 | |
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133 | /* perl usually suppresses asserts. for debugging, we sometimes force it to be on */ |
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134 | #if 0 |
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135 | # undef NDEBUG |
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136 | # include <assert.h> |
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137 | #endif |
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138 | |
115 | static double (*nvtime)(); /* so why doesn't it take void? */ |
139 | static double (*nvtime)(); /* so why doesn't it take void? */ |
116 | static void (*u2time)(pTHX_ UV ret[2]); |
140 | static void (*u2time)(pTHX_ UV ret[2]); |
117 | |
141 | |
118 | /* we hijack an hopefully unused CV flag for our purposes */ |
142 | /* we hijack an hopefully unused CV flag for our purposes */ |
119 | #define CVf_SLF 0x4000 |
143 | #define CVf_SLF 0x4000 |
120 | static OP *pp_slf (pTHX); |
144 | static OP *pp_slf (pTHX); |
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145 | static void slf_destroy (pTHX_ struct coro *coro); |
121 | |
146 | |
122 | static U32 cctx_gen; |
147 | static U32 cctx_gen; |
123 | static size_t cctx_stacksize = CORO_STACKSIZE; |
148 | static size_t cctx_stacksize = CORO_STACKSIZE; |
124 | static struct CoroAPI coroapi; |
149 | static struct CoroAPI coroapi; |
125 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
150 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
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133 | |
158 | |
134 | static GV *irsgv; /* $/ */ |
159 | static GV *irsgv; /* $/ */ |
135 | static GV *stdoutgv; /* *STDOUT */ |
160 | static GV *stdoutgv; /* *STDOUT */ |
136 | static SV *rv_diehook; |
161 | static SV *rv_diehook; |
137 | static SV *rv_warnhook; |
162 | static SV *rv_warnhook; |
138 | static HV *hv_sig; /* %SIG */ |
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139 | |
163 | |
140 | /* async_pool helper stuff */ |
164 | /* async_pool helper stuff */ |
141 | static SV *sv_pool_rss; |
165 | static SV *sv_pool_rss; |
142 | static SV *sv_pool_size; |
166 | static SV *sv_pool_size; |
143 | static SV *sv_async_pool_idle; /* description string */ |
167 | static SV *sv_async_pool_idle; /* description string */ |
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155 | static char times_valid; |
179 | static char times_valid; |
156 | |
180 | |
157 | static struct coro_cctx *cctx_first; |
181 | static struct coro_cctx *cctx_first; |
158 | static int cctx_count, cctx_idle; |
182 | static int cctx_count, cctx_idle; |
159 | |
183 | |
160 | enum { |
184 | enum |
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185 | { |
161 | CC_MAPPED = 0x01, |
186 | CC_MAPPED = 0x01, |
162 | CC_NOREUSE = 0x02, /* throw this away after tracing */ |
187 | CC_NOREUSE = 0x02, /* throw this away after tracing */ |
163 | CC_TRACE = 0x04, |
188 | CC_TRACE = 0x04, |
164 | CC_TRACE_SUB = 0x08, /* trace sub calls */ |
189 | CC_TRACE_SUB = 0x08, /* trace sub calls */ |
165 | CC_TRACE_LINE = 0x10, /* trace each statement */ |
190 | CC_TRACE_LINE = 0x10, /* trace each statement */ |
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170 | typedef struct coro_cctx |
195 | typedef struct coro_cctx |
171 | { |
196 | { |
172 | struct coro_cctx *next; |
197 | struct coro_cctx *next; |
173 | |
198 | |
174 | /* the stack */ |
199 | /* the stack */ |
175 | void *sptr; |
200 | struct coro_stack stack; |
176 | size_t ssize; |
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177 | |
201 | |
178 | /* cpu state */ |
202 | /* cpu state */ |
179 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
203 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
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204 | #ifndef NDEBUG |
180 | JMPENV *idle_te; /* same as idle_sp, but for top_env, TODO: remove once stable */ |
205 | JMPENV *idle_te; /* same as idle_sp, but for top_env */ |
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206 | #endif |
181 | JMPENV *top_env; |
207 | JMPENV *top_env; |
182 | coro_context cctx; |
208 | coro_context cctx; |
183 | |
209 | |
184 | U32 gen; |
210 | U32 gen; |
185 | #if CORO_USE_VALGRIND |
211 | #if CORO_USE_VALGRIND |
186 | int valgrind_id; |
212 | int valgrind_id; |
187 | #endif |
213 | #endif |
188 | unsigned char flags; |
214 | unsigned char flags; |
189 | } coro_cctx; |
215 | } coro_cctx; |
190 | |
216 | |
191 | coro_cctx *cctx_current; /* the currently running cctx */ |
217 | static coro_cctx *cctx_current; /* the currently running cctx */ |
192 | |
218 | |
193 | /*****************************************************************************/ |
219 | /*****************************************************************************/ |
194 | |
220 | |
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221 | static MGVTBL coro_state_vtbl; |
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222 | |
195 | enum { |
223 | enum |
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224 | { |
196 | CF_RUNNING = 0x0001, /* coroutine is running */ |
225 | CF_RUNNING = 0x0001, /* coroutine is running */ |
197 | CF_READY = 0x0002, /* coroutine is ready */ |
226 | CF_READY = 0x0002, /* coroutine is ready */ |
198 | CF_NEW = 0x0004, /* has never been switched to */ |
227 | CF_NEW = 0x0004, /* has never been switched to */ |
199 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
228 | CF_ZOMBIE = 0x0008, /* coroutine data has been freed */ |
200 | CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */ |
229 | CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */ |
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230 | CF_NOCANCEL = 0x0020, /* cannot cancel, set slf_frame.data to 1 (hackish) */ |
201 | }; |
231 | }; |
202 | |
232 | |
203 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
233 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
204 | typedef struct |
234 | typedef struct |
205 | { |
235 | { |
206 | SV *defsv; |
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207 | AV *defav; |
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208 | SV *errsv; |
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209 | SV *irsgv; |
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210 | HV *hinthv; |
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211 | #define VAR(name,type) type name; |
236 | #define VARx(name,expr,type) type name; |
212 | # include "state.h" |
237 | #include "state.h" |
213 | #undef VAR |
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214 | } perl_slots; |
238 | } perl_slots; |
215 | |
239 | |
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240 | /* how many context stack entries do we need for perl_slots */ |
216 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
241 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
217 | |
242 | |
218 | /* this is a structure representing a perl-level coroutine */ |
243 | /* this is a structure representing a perl-level coroutine */ |
219 | struct coro { |
244 | struct coro |
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245 | { |
220 | /* the C coroutine allocated to this perl coroutine, if any */ |
246 | /* the C coroutine allocated to this perl coroutine, if any */ |
221 | coro_cctx *cctx; |
247 | coro_cctx *cctx; |
222 | |
248 | |
223 | /* ready queue */ |
249 | /* ready queue */ |
224 | struct coro *next_ready; |
250 | struct coro *next_ready; |
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226 | /* state data */ |
252 | /* state data */ |
227 | struct CoroSLF slf_frame; /* saved slf frame */ |
253 | struct CoroSLF slf_frame; /* saved slf frame */ |
228 | AV *mainstack; |
254 | AV *mainstack; |
229 | perl_slots *slot; /* basically the saved sp */ |
255 | perl_slots *slot; /* basically the saved sp */ |
230 | |
256 | |
231 | CV *startcv; /* the CV to execute */ |
257 | CV *startcv; /* the CV to execute */ |
232 | AV *args; /* data associated with this coroutine (initial args) */ |
258 | AV *args; /* data associated with this coroutine (initial args) */ |
233 | int refcnt; /* coroutines are refcounted, yes */ |
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234 | int flags; /* CF_ flags */ |
259 | int flags; /* CF_ flags */ |
235 | HV *hv; /* the perl hash associated with this coro, if any */ |
260 | HV *hv; /* the perl hash associated with this coro, if any */ |
236 | void (*on_destroy)(pTHX_ struct coro *coro); |
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237 | |
261 | |
238 | /* statistics */ |
262 | /* statistics */ |
239 | int usecount; /* number of transfers to this coro */ |
263 | int usecount; /* number of transfers to this coro */ |
240 | |
264 | |
241 | /* coro process data */ |
265 | /* coro process data */ |
242 | int prio; |
266 | int prio; |
243 | SV *except; /* exception to be thrown */ |
267 | SV *except; /* exception to be thrown */ |
244 | SV *rouse_cb; |
268 | SV *rouse_cb; /* last rouse callback */ |
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269 | AV *on_destroy; /* callbacks or coros to notify on destroy */ |
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270 | AV *status; /* the exit status list */ |
245 | |
271 | |
246 | /* async_pool */ |
272 | /* async_pool */ |
247 | SV *saved_deffh; |
273 | SV *saved_deffh; |
248 | SV *invoke_cb; |
274 | SV *invoke_cb; |
249 | AV *invoke_av; |
275 | AV *invoke_av; |
250 | |
276 | |
251 | /* on_enter/on_leave */ |
277 | /* on_enter/on_leave */ |
252 | AV *on_enter; |
278 | AV *on_enter; AV *on_enter_xs; |
253 | AV *on_leave; |
279 | AV *on_leave; AV *on_leave_xs; |
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280 | |
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281 | /* swap_sv */ |
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282 | AV *swap_sv; |
254 | |
283 | |
255 | /* times */ |
284 | /* times */ |
256 | coro_ts t_cpu, t_real; |
285 | coro_ts t_cpu, t_real; |
257 | |
286 | |
258 | /* linked list */ |
287 | /* linked list */ |
… | |
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262 | typedef struct coro *Coro__State; |
291 | typedef struct coro *Coro__State; |
263 | typedef struct coro *Coro__State_or_hashref; |
292 | typedef struct coro *Coro__State_or_hashref; |
264 | |
293 | |
265 | /* the following variables are effectively part of the perl context */ |
294 | /* the following variables are effectively part of the perl context */ |
266 | /* and get copied between struct coro and these variables */ |
295 | /* and get copied between struct coro and these variables */ |
267 | /* the mainr easonw e don't support windows process emulation */ |
296 | /* the main reason we don't support windows process emulation */ |
268 | static struct CoroSLF slf_frame; /* the current slf frame */ |
297 | static struct CoroSLF slf_frame; /* the current slf frame */ |
269 | |
298 | |
270 | /** Coro ********************************************************************/ |
299 | /** Coro ********************************************************************/ |
271 | |
300 | |
272 | #define CORO_PRIO_MAX 3 |
301 | #define CORO_PRIO_MAX 3 |
… | |
… | |
278 | |
307 | |
279 | /* for Coro.pm */ |
308 | /* for Coro.pm */ |
280 | static SV *coro_current; |
309 | static SV *coro_current; |
281 | static SV *coro_readyhook; |
310 | static SV *coro_readyhook; |
282 | static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ |
311 | static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ |
283 | static CV *cv_coro_run, *cv_coro_terminate; |
312 | static CV *cv_coro_run; |
284 | static struct coro *coro_first; |
313 | static struct coro *coro_first; |
285 | #define coro_nready coroapi.nready |
314 | #define coro_nready coroapi.nready |
286 | |
315 | |
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316 | /** JIT *********************************************************************/ |
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317 | |
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318 | #if CORO_JIT |
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319 | /* APPLE doesn't have mmap though */ |
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320 | #define CORO_JIT_UNIXY (__linux || __FreeBSD__ || __OpenBSD__ || __NetBSD__ || __solaris || __APPLE__) |
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321 | #ifndef CORO_JIT_TYPE |
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322 | #if ECB_AMD64 && CORO_JIT_UNIXY |
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323 | #define CORO_JIT_TYPE "amd64-unix" |
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324 | #elif __i386 && CORO_JIT_UNIXY |
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325 | #define CORO_JIT_TYPE "x86-unix" |
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326 | #endif |
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327 | #endif |
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328 | #endif |
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329 | |
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330 | #if !defined(CORO_JIT_TYPE) || _POSIX_MEMORY_PROTECTION <= 0 |
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331 | #undef CORO_JIT |
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332 | #endif |
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333 | |
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334 | #if CORO_JIT |
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335 | typedef void (*load_save_perl_slots_type)(perl_slots *); |
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336 | static load_save_perl_slots_type load_perl_slots, save_perl_slots; |
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337 | #endif |
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338 | |
287 | /** Coro::Select ************************************************************/ |
339 | /** Coro::Select ************************************************************/ |
288 | |
340 | |
289 | static OP *(*coro_old_pp_sselect) (pTHX); |
341 | static OP *(*coro_old_pp_sselect) (pTHX); |
290 | static SV *coro_select_select; |
342 | static SV *coro_select_select; |
291 | |
343 | |
292 | /* horrible hack, but if it works... */ |
344 | /* horrible hack, but if it works... */ |
293 | static OP * |
345 | static OP * |
294 | coro_pp_sselect (aTHX) |
346 | coro_pp_sselect (pTHX) |
295 | { |
347 | { |
296 | dSP; |
348 | dSP; |
297 | PUSHMARK (SP - 4); /* fake argument list */ |
349 | PUSHMARK (SP - 4); /* fake argument list */ |
298 | XPUSHs (coro_select_select); |
350 | XPUSHs (coro_select_select); |
299 | PUTBACK; |
351 | PUTBACK; |
… | |
… | |
302 | PL_op->op_flags |= OPf_STACKED; |
354 | PL_op->op_flags |= OPf_STACKED; |
303 | PL_op->op_private = 0; |
355 | PL_op->op_private = 0; |
304 | return PL_ppaddr [OP_ENTERSUB](aTHX); |
356 | return PL_ppaddr [OP_ENTERSUB](aTHX); |
305 | } |
357 | } |
306 | |
358 | |
|
|
359 | /** time stuff **************************************************************/ |
|
|
360 | |
|
|
361 | #ifdef HAS_GETTIMEOFDAY |
|
|
362 | |
|
|
363 | ecb_inline void |
|
|
364 | coro_u2time (pTHX_ UV ret[2]) |
|
|
365 | { |
|
|
366 | struct timeval tv; |
|
|
367 | gettimeofday (&tv, 0); |
|
|
368 | |
|
|
369 | ret [0] = tv.tv_sec; |
|
|
370 | ret [1] = tv.tv_usec; |
|
|
371 | } |
|
|
372 | |
|
|
373 | ecb_inline double |
|
|
374 | coro_nvtime (void) |
|
|
375 | { |
|
|
376 | struct timeval tv; |
|
|
377 | gettimeofday (&tv, 0); |
|
|
378 | |
|
|
379 | return tv.tv_sec + tv.tv_usec * 1e-6; |
|
|
380 | } |
|
|
381 | |
|
|
382 | ecb_inline void |
|
|
383 | time_init (pTHX) |
|
|
384 | { |
|
|
385 | nvtime = coro_nvtime; |
|
|
386 | u2time = coro_u2time; |
|
|
387 | } |
|
|
388 | |
|
|
389 | #else |
|
|
390 | |
|
|
391 | ecb_inline void |
|
|
392 | time_init (pTHX) |
|
|
393 | { |
|
|
394 | SV **svp; |
|
|
395 | |
|
|
396 | require_pv ("Time/HiRes.pm"); |
|
|
397 | |
|
|
398 | svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
|
|
399 | |
|
|
400 | if (!svp) croak ("Time::HiRes is required, but missing. Caught"); |
|
|
401 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer. Caught"); |
|
|
402 | |
|
|
403 | nvtime = INT2PTR (double (*)(), SvIV (*svp)); |
|
|
404 | |
|
|
405 | svp = hv_fetch (PL_modglobal, "Time::U2time", 12, 0); |
|
|
406 | u2time = INT2PTR (void (*)(pTHX_ UV ret[2]), SvIV (*svp)); |
|
|
407 | } |
|
|
408 | |
|
|
409 | #endif |
|
|
410 | |
307 | /** lowlevel stuff **********************************************************/ |
411 | /** lowlevel stuff **********************************************************/ |
308 | |
412 | |
309 | static SV * |
413 | static SV * ecb_noinline |
310 | coro_get_sv (pTHX_ const char *name, int create) |
414 | coro_get_sv (pTHX_ const char *name, int create) |
311 | { |
415 | { |
312 | #if PERL_VERSION_ATLEAST (5,10,0) |
416 | #if PERL_VERSION_ATLEAST (5,10,0) |
313 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
417 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
314 | get_sv (name, create); |
418 | get_sv (name, create); |
315 | #endif |
419 | #endif |
316 | return get_sv (name, create); |
420 | return get_sv (name, create); |
317 | } |
421 | } |
318 | |
422 | |
319 | static AV * |
423 | static AV * ecb_noinline |
320 | coro_get_av (pTHX_ const char *name, int create) |
424 | coro_get_av (pTHX_ const char *name, int create) |
321 | { |
425 | { |
322 | #if PERL_VERSION_ATLEAST (5,10,0) |
426 | #if PERL_VERSION_ATLEAST (5,10,0) |
323 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
427 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
324 | get_av (name, create); |
428 | get_av (name, create); |
325 | #endif |
429 | #endif |
326 | return get_av (name, create); |
430 | return get_av (name, create); |
327 | } |
431 | } |
328 | |
432 | |
329 | static HV * |
433 | static HV * ecb_noinline |
330 | coro_get_hv (pTHX_ const char *name, int create) |
434 | coro_get_hv (pTHX_ const char *name, int create) |
331 | { |
435 | { |
332 | #if PERL_VERSION_ATLEAST (5,10,0) |
436 | #if PERL_VERSION_ATLEAST (5,10,0) |
333 | /* 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 */ |
334 | get_hv (name, create); |
438 | get_hv (name, create); |
335 | #endif |
439 | #endif |
336 | return get_hv (name, create); |
440 | return get_hv (name, create); |
337 | } |
441 | } |
338 | |
442 | |
339 | INLINE void |
443 | ecb_inline void |
340 | coro_times_update () |
444 | coro_times_update (void) |
341 | { |
445 | { |
342 | #ifdef coro_clock_gettime |
446 | #ifdef coro_clock_gettime |
343 | struct timespec ts; |
447 | struct timespec ts; |
344 | |
448 | |
345 | ts.tv_sec = ts.tv_nsec = 0; |
449 | ts.tv_sec = ts.tv_nsec = 0; |
… | |
… | |
357 | time_real [0] = tv [0]; |
461 | time_real [0] = tv [0]; |
358 | time_real [1] = tv [1] * 1000; |
462 | time_real [1] = tv [1] * 1000; |
359 | #endif |
463 | #endif |
360 | } |
464 | } |
361 | |
465 | |
362 | INLINE void |
466 | ecb_inline void |
363 | coro_times_add (struct coro *c) |
467 | coro_times_add (struct coro *c) |
364 | { |
468 | { |
365 | c->t_real [1] += time_real [1]; |
469 | c->t_real [1] += time_real [1]; |
366 | if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } |
470 | if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } |
367 | c->t_real [0] += time_real [0]; |
471 | c->t_real [0] += time_real [0]; |
… | |
… | |
369 | c->t_cpu [1] += time_cpu [1]; |
473 | c->t_cpu [1] += time_cpu [1]; |
370 | if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } |
474 | if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } |
371 | c->t_cpu [0] += time_cpu [0]; |
475 | c->t_cpu [0] += time_cpu [0]; |
372 | } |
476 | } |
373 | |
477 | |
374 | INLINE void |
478 | ecb_inline void |
375 | coro_times_sub (struct coro *c) |
479 | coro_times_sub (struct coro *c) |
376 | { |
480 | { |
377 | if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } |
481 | if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } |
378 | c->t_real [1] -= time_real [1]; |
482 | c->t_real [1] -= time_real [1]; |
379 | c->t_real [0] -= time_real [0]; |
483 | c->t_real [0] -= time_real [0]; |
… | |
… | |
387 | /* magic glue */ |
491 | /* magic glue */ |
388 | |
492 | |
389 | #define CORO_MAGIC_type_cv 26 |
493 | #define CORO_MAGIC_type_cv 26 |
390 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
494 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
391 | |
495 | |
392 | #define CORO_MAGIC_NN(sv, type) \ |
496 | #define CORO_MAGIC_NN(sv, type) \ |
393 | (expect_true (SvMAGIC (sv)->mg_type == type) \ |
497 | (ecb_expect_true (SvMAGIC (sv)->mg_type == type) \ |
394 | ? SvMAGIC (sv) \ |
498 | ? SvMAGIC (sv) \ |
395 | : mg_find (sv, type)) |
499 | : mg_find (sv, type)) |
396 | |
500 | |
397 | #define CORO_MAGIC(sv, type) \ |
501 | #define CORO_MAGIC(sv, type) \ |
398 | (expect_true (SvMAGIC (sv)) \ |
502 | (ecb_expect_true (SvMAGIC (sv)) \ |
399 | ? CORO_MAGIC_NN (sv, type) \ |
503 | ? CORO_MAGIC_NN (sv, type) \ |
400 | : 0) |
504 | : 0) |
401 | |
505 | |
402 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
506 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
403 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
507 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
404 | |
508 | |
405 | INLINE struct coro * |
509 | ecb_inline MAGIC * |
406 | SvSTATE_ (pTHX_ SV *coro) |
510 | SvSTATEhv_p (pTHX_ SV *coro) |
407 | { |
511 | { |
408 | HV *stash; |
|
|
409 | MAGIC *mg; |
512 | MAGIC *mg; |
410 | |
513 | |
|
|
514 | if (ecb_expect_true ( |
|
|
515 | SvTYPE (coro) == SVt_PVHV |
|
|
516 | && (mg = CORO_MAGIC_state (coro)) |
|
|
517 | && mg->mg_virtual == &coro_state_vtbl |
|
|
518 | )) |
|
|
519 | return mg; |
|
|
520 | |
|
|
521 | return 0; |
|
|
522 | } |
|
|
523 | |
|
|
524 | ecb_inline struct coro * |
|
|
525 | SvSTATE_ (pTHX_ SV *coro_sv) |
|
|
526 | { |
|
|
527 | MAGIC *mg; |
|
|
528 | |
411 | if (SvROK (coro)) |
529 | if (SvROK (coro_sv)) |
412 | coro = SvRV (coro); |
530 | coro_sv = SvRV (coro_sv); |
413 | |
531 | |
414 | if (expect_false (SvTYPE (coro) != SVt_PVHV)) |
532 | mg = SvSTATEhv_p (aTHX_ coro_sv); |
|
|
533 | if (!mg) |
415 | croak ("Coro::State object required"); |
534 | croak ("Coro::State object required"); |
416 | |
535 | |
417 | stash = SvSTASH (coro); |
|
|
418 | if (expect_false (stash != coro_stash && stash != coro_state_stash)) |
|
|
419 | { |
|
|
420 | /* very slow, but rare, check */ |
|
|
421 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
|
|
422 | croak ("Coro::State object required"); |
|
|
423 | } |
|
|
424 | |
|
|
425 | mg = CORO_MAGIC_state (coro); |
|
|
426 | return (struct coro *)mg->mg_ptr; |
536 | return (struct coro *)mg->mg_ptr; |
427 | } |
537 | } |
428 | |
538 | |
429 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
539 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
430 | |
540 | |
… | |
… | |
433 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
543 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
434 | |
544 | |
435 | /*****************************************************************************/ |
545 | /*****************************************************************************/ |
436 | /* padlist management and caching */ |
546 | /* padlist management and caching */ |
437 | |
547 | |
438 | static AV * |
548 | ecb_inline PADLIST * |
439 | coro_derive_padlist (pTHX_ CV *cv) |
549 | coro_derive_padlist (pTHX_ CV *cv) |
440 | { |
550 | { |
441 | AV *padlist = CvPADLIST (cv); |
551 | PADLIST *padlist = CvPADLIST (cv); |
442 | AV *newpadlist, *newpad; |
552 | PADLIST *newpadlist; |
|
|
553 | PADNAMELIST *padnames; |
|
|
554 | PAD *newpad; |
|
|
555 | PADOFFSET off = PadlistMAX (padlist) + 1; |
443 | |
556 | |
444 | newpadlist = newAV (); |
557 | #if NEWPADAPI |
|
|
558 | |
|
|
559 | /* if we had the original CvDEPTH, we might be able to steal the CvDEPTH+1 entry instead */ |
|
|
560 | /* 20131102194744.GA6705@schmorp.de, 20131102195825.2013.qmail@lists-nntp.develooper.com */ |
|
|
561 | while (!PadlistARRAY (padlist)[off - 1]) |
|
|
562 | --off; |
|
|
563 | |
|
|
564 | Perl_pad_push (aTHX_ padlist, off); |
|
|
565 | |
|
|
566 | newpad = PadlistARRAY (padlist)[off]; |
|
|
567 | PadlistARRAY (padlist)[off] = 0; |
|
|
568 | |
|
|
569 | #else |
|
|
570 | |
|
|
571 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
572 | Perl_pad_push (aTHX_ padlist, off); |
|
|
573 | #else |
|
|
574 | Perl_pad_push (aTHX_ padlist, off, 1); |
|
|
575 | #endif |
|
|
576 | |
|
|
577 | newpad = PadlistARRAY (padlist)[off]; |
|
|
578 | PadlistMAX (padlist) = off - 1; |
|
|
579 | |
|
|
580 | #endif |
|
|
581 | |
|
|
582 | newPADLIST (newpadlist); |
|
|
583 | #if !PERL_VERSION_ATLEAST(5,15,3) |
|
|
584 | /* Padlists are AvREAL as of 5.15.3. See perl bug #98092 and perl commit 7d953ba. */ |
445 | AvREAL_off (newpadlist); |
585 | AvREAL_off (newpadlist); |
446 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
447 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1); |
|
|
448 | #else |
|
|
449 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
|
|
450 | #endif |
586 | #endif |
451 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
|
|
452 | --AvFILLp (padlist); |
|
|
453 | |
587 | |
454 | av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0])); |
588 | /* Already extended to 2 elements by newPADLIST. */ |
455 | av_store (newpadlist, 1, (SV *)newpad); |
589 | PadlistMAX (newpadlist) = 1; |
|
|
590 | |
|
|
591 | padnames = PadlistNAMES (padlist); |
|
|
592 | ++PadnamelistREFCNT (padnames); |
|
|
593 | PadlistNAMES (newpadlist) = padnames; |
|
|
594 | |
|
|
595 | PadlistARRAY (newpadlist)[1] = newpad; |
456 | |
596 | |
457 | return newpadlist; |
597 | return newpadlist; |
458 | } |
598 | } |
459 | |
599 | |
460 | static void |
600 | ecb_inline void |
461 | free_padlist (pTHX_ AV *padlist) |
601 | free_padlist (pTHX_ PADLIST *padlist) |
462 | { |
602 | { |
463 | /* may be during global destruction */ |
603 | /* may be during global destruction */ |
464 | if (!IN_DESTRUCT) |
604 | if (!IN_DESTRUCT) |
465 | { |
605 | { |
466 | I32 i = AvFILLp (padlist); |
606 | I32 i = PadlistMAX (padlist); |
467 | |
607 | |
468 | while (i > 0) /* special-case index 0 */ |
608 | while (i > 0) /* special-case index 0 */ |
469 | { |
609 | { |
470 | /* we try to be extra-careful here */ |
610 | /* we try to be extra-careful here */ |
471 | AV *av = (AV *)AvARRAY (padlist)[i--]; |
611 | PAD *pad = PadlistARRAY (padlist)[i--]; |
472 | I32 j = AvFILLp (av); |
|
|
473 | |
612 | |
|
|
613 | if (pad) |
|
|
614 | { |
|
|
615 | I32 j = PadMAX (pad); |
|
|
616 | |
474 | while (j >= 0) |
617 | while (j >= 0) |
475 | SvREFCNT_dec (AvARRAY (av)[j--]); |
618 | SvREFCNT_dec (PadARRAY (pad)[j--]); |
476 | |
619 | |
477 | AvFILLp (av) = -1; |
620 | PadMAX (pad) = -1; |
478 | SvREFCNT_dec (av); |
621 | SvREFCNT_dec (pad); |
|
|
622 | } |
479 | } |
623 | } |
480 | |
624 | |
481 | SvREFCNT_dec (AvARRAY (padlist)[0]); |
625 | PadnamelistREFCNT_dec (PadlistNAMES (padlist)); |
482 | |
626 | |
|
|
627 | #if NEWPADAPI |
|
|
628 | Safefree (PadlistARRAY (padlist)); |
|
|
629 | Safefree (padlist); |
|
|
630 | #else |
483 | AvFILLp (padlist) = -1; |
631 | AvFILLp (padlist) = -1; |
|
|
632 | AvREAL_off (padlist); |
484 | SvREFCNT_dec ((SV*)padlist); |
633 | SvREFCNT_dec ((SV*)padlist); |
|
|
634 | #endif |
485 | } |
635 | } |
486 | } |
636 | } |
487 | |
637 | |
488 | static int |
638 | static int |
489 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
639 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
490 | { |
640 | { |
491 | AV *padlist; |
641 | PADLIST *padlist; |
492 | AV *av = (AV *)mg->mg_obj; |
642 | PADLIST **padlists = (PADLIST **)(mg->mg_ptr + sizeof(size_t)); |
|
|
643 | size_t len = *(size_t *)mg->mg_ptr; |
493 | |
644 | |
494 | /* perl manages to free our internal AV and _then_ call us */ |
645 | /* perl manages to free our internal AV and _then_ call us */ |
495 | if (IN_DESTRUCT) |
646 | if (IN_DESTRUCT) |
496 | return 0; |
647 | return 0; |
497 | |
648 | |
498 | /* casting is fun. */ |
649 | while (len--) |
499 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
|
|
500 | free_padlist (aTHX_ padlist); |
650 | free_padlist (aTHX_ padlists[len]); |
501 | |
|
|
502 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
|
|
503 | |
651 | |
504 | return 0; |
652 | return 0; |
505 | } |
653 | } |
506 | |
654 | |
507 | static MGVTBL coro_cv_vtbl = { |
655 | static MGVTBL coro_cv_vtbl = { |
508 | 0, 0, 0, 0, |
656 | 0, 0, 0, 0, |
509 | coro_cv_free |
657 | coro_cv_free |
510 | }; |
658 | }; |
511 | |
659 | |
512 | /* the next two functions merely cache the padlists */ |
660 | /* the next two functions merely cache the padlists */ |
513 | static void |
661 | ecb_inline void |
514 | get_padlist (pTHX_ CV *cv) |
662 | get_padlist (pTHX_ CV *cv) |
515 | { |
663 | { |
516 | MAGIC *mg = CORO_MAGIC_cv (cv); |
664 | MAGIC *mg = CORO_MAGIC_cv (cv); |
517 | AV *av; |
665 | size_t *lenp; |
518 | |
666 | |
519 | if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
667 | if (ecb_expect_true (mg && *(lenp = (size_t *)mg->mg_ptr))) |
520 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
668 | CvPADLIST (cv) = ((PADLIST **)(mg->mg_ptr + sizeof(size_t)))[--*lenp]; |
521 | else |
669 | else |
522 | { |
670 | { |
523 | #if CORO_PREFER_PERL_FUNCTIONS |
671 | #if CORO_PREFER_PERL_FUNCTIONS |
524 | /* this is probably cleaner? but also slower! */ |
672 | /* this is probably cleaner? but also slower! */ |
525 | /* in practise, it seems to be less stable */ |
673 | /* in practise, it seems to be less stable */ |
… | |
… | |
531 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
679 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
532 | #endif |
680 | #endif |
533 | } |
681 | } |
534 | } |
682 | } |
535 | |
683 | |
536 | static void |
684 | ecb_inline void |
537 | put_padlist (pTHX_ CV *cv) |
685 | put_padlist (pTHX_ CV *cv) |
538 | { |
686 | { |
539 | MAGIC *mg = CORO_MAGIC_cv (cv); |
687 | MAGIC *mg = CORO_MAGIC_cv (cv); |
540 | AV *av; |
|
|
541 | |
688 | |
542 | if (expect_false (!mg)) |
689 | if (ecb_expect_false (!mg)) |
|
|
690 | { |
543 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
691 | mg = sv_magicext ((SV *)cv, 0, CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
|
|
692 | Newz (0, mg->mg_ptr ,sizeof (size_t) + sizeof (PADLIST *), char); |
|
|
693 | mg->mg_len = 1; /* so mg_free frees mg_ptr */ |
|
|
694 | } |
|
|
695 | else |
|
|
696 | Renew (mg->mg_ptr, |
|
|
697 | sizeof(size_t) + (*(size_t *)mg->mg_ptr + 1) * sizeof(PADLIST *), |
|
|
698 | char); |
544 | |
699 | |
545 | av = (AV *)mg->mg_obj; |
700 | ((PADLIST **)(mg->mg_ptr + sizeof (size_t))) [(*(size_t *)mg->mg_ptr)++] = CvPADLIST (cv); |
546 | |
|
|
547 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
|
|
548 | av_extend (av, AvFILLp (av) + 1); |
|
|
549 | |
|
|
550 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
|
|
551 | } |
701 | } |
552 | |
702 | |
553 | /** load & save, init *******************************************************/ |
703 | /** load & save, init *******************************************************/ |
|
|
704 | |
|
|
705 | ecb_inline void |
|
|
706 | swap_sv (SV *a, SV *b) |
|
|
707 | { |
|
|
708 | const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */ |
|
|
709 | SV tmp; |
|
|
710 | |
|
|
711 | /* swap sv_any */ |
|
|
712 | SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp); |
|
|
713 | |
|
|
714 | /* swap sv_flags */ |
|
|
715 | SvFLAGS (&tmp) = SvFLAGS (a); |
|
|
716 | SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep); |
|
|
717 | SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep); |
|
|
718 | |
|
|
719 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
720 | /* perl 5.10 and later complicates this _quite_ a bit, but it also |
|
|
721 | * is much faster, so no quarrels here. alternatively, we could |
|
|
722 | * sv_upgrade to avoid this. |
|
|
723 | */ |
|
|
724 | { |
|
|
725 | /* swap sv_u */ |
|
|
726 | tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u; |
|
|
727 | |
|
|
728 | /* if SvANY points to the head, we need to adjust the pointers, |
|
|
729 | * as the pointer for a still points to b, and maybe vice versa. |
|
|
730 | */ |
|
|
731 | U32 svany_in_head_set = (1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV); |
|
|
732 | #if NVSIZE <= IVSIZE && PERL_VERSION_ATLEAST(5,22,0) |
|
|
733 | svany_in_head_set |= 1 << SVt_NV; |
|
|
734 | #endif |
|
|
735 | |
|
|
736 | #define svany_in_head(type) (svany_in_head_set & (1 << (type))) |
|
|
737 | |
|
|
738 | if (svany_in_head (SvTYPE (a))) |
|
|
739 | SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a); |
|
|
740 | |
|
|
741 | if (svany_in_head (SvTYPE (b))) |
|
|
742 | SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b); |
|
|
743 | } |
|
|
744 | #endif |
|
|
745 | } |
|
|
746 | |
|
|
747 | /* swap sv heads, at least logically */ |
|
|
748 | static void |
|
|
749 | swap_svs_enter (pTHX_ Coro__State c) |
|
|
750 | { |
|
|
751 | int i; |
|
|
752 | |
|
|
753 | for (i = 0; i <= AvFILLp (c->swap_sv); i += 2) |
|
|
754 | swap_sv (AvARRAY (c->swap_sv)[i], AvARRAY (c->swap_sv)[i + 1]); |
|
|
755 | } |
|
|
756 | |
|
|
757 | static void |
|
|
758 | swap_svs_leave (pTHX_ Coro__State c) |
|
|
759 | { |
|
|
760 | int i; |
|
|
761 | |
|
|
762 | for (i = AvFILLp (c->swap_sv) - 1; i >= 0; i -= 2) |
|
|
763 | swap_sv (AvARRAY (c->swap_sv)[i], AvARRAY (c->swap_sv)[i + 1]); |
|
|
764 | } |
|
|
765 | |
|
|
766 | #define SWAP_SVS_ENTER(coro) \ |
|
|
767 | if (ecb_expect_false ((coro)->swap_sv)) \ |
|
|
768 | swap_svs_enter (aTHX_ (coro)) |
|
|
769 | |
|
|
770 | #define SWAP_SVS_LEAVE(coro) \ |
|
|
771 | if (ecb_expect_false ((coro)->swap_sv)) \ |
|
|
772 | swap_svs_leave (aTHX_ (coro)) |
554 | |
773 | |
555 | static void |
774 | static void |
556 | on_enterleave_call (pTHX_ SV *cb); |
775 | on_enterleave_call (pTHX_ SV *cb); |
557 | |
776 | |
558 | static void |
777 | static void |
… | |
… | |
561 | perl_slots *slot = c->slot; |
780 | perl_slots *slot = c->slot; |
562 | c->slot = 0; |
781 | c->slot = 0; |
563 | |
782 | |
564 | PL_mainstack = c->mainstack; |
783 | PL_mainstack = c->mainstack; |
565 | |
784 | |
566 | GvSV (PL_defgv) = slot->defsv; |
785 | #if CORO_JIT |
567 | GvAV (PL_defgv) = slot->defav; |
786 | load_perl_slots (slot); |
568 | GvSV (PL_errgv) = slot->errsv; |
787 | #else |
569 | GvSV (irsgv) = slot->irsgv; |
|
|
570 | GvHV (PL_hintgv) = slot->hinthv; |
|
|
571 | |
|
|
572 | #define VAR(name,type) PL_ ## name = slot->name; |
788 | #define VARx(name,expr,type) expr = slot->name; |
573 | # include "state.h" |
789 | #include "state.h" |
574 | #undef VAR |
790 | #endif |
575 | |
791 | |
576 | { |
792 | { |
577 | dSP; |
793 | dSP; |
578 | |
794 | |
579 | CV *cv; |
795 | CV *cv; |
580 | |
796 | |
581 | /* now do the ugly restore mess */ |
797 | /* now do the ugly restore mess */ |
582 | while (expect_true (cv = (CV *)POPs)) |
798 | while (ecb_expect_true (cv = (CV *)POPs)) |
583 | { |
799 | { |
584 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
800 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
585 | CvDEPTH (cv) = PTR2IV (POPs); |
801 | CvDEPTH (cv) = PTR2IV (POPs); |
586 | CvPADLIST (cv) = (AV *)POPs; |
802 | CvPADLIST (cv) = (PADLIST *)POPs; |
587 | } |
803 | } |
588 | |
804 | |
589 | PUTBACK; |
805 | PUTBACK; |
590 | } |
806 | } |
591 | |
807 | |
592 | slf_frame = c->slf_frame; |
808 | slf_frame = c->slf_frame; |
593 | CORO_THROW = c->except; |
809 | CORO_THROW = c->except; |
594 | |
810 | |
595 | if (expect_false (enable_times)) |
811 | if (ecb_expect_false (enable_times)) |
596 | { |
812 | { |
597 | if (expect_false (!times_valid)) |
813 | if (ecb_expect_false (!times_valid)) |
598 | coro_times_update (); |
814 | coro_times_update (); |
599 | |
815 | |
600 | coro_times_sub (c); |
816 | coro_times_sub (c); |
601 | } |
817 | } |
602 | |
818 | |
603 | if (expect_false (c->on_enter)) |
819 | if (ecb_expect_false (c->on_enter)) |
604 | { |
820 | { |
605 | int i; |
821 | int i; |
606 | |
822 | |
607 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
823 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
608 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
824 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
609 | } |
825 | } |
|
|
826 | |
|
|
827 | if (ecb_expect_false (c->on_enter_xs)) |
|
|
828 | { |
|
|
829 | int i; |
|
|
830 | |
|
|
831 | for (i = 0; i <= AvFILLp (c->on_enter_xs); i += 2) |
|
|
832 | ((coro_enterleave_hook)AvARRAY (c->on_enter_xs)[i]) (aTHX_ AvARRAY (c->on_enter_xs)[i + 1]); |
|
|
833 | } |
|
|
834 | |
|
|
835 | SWAP_SVS_ENTER (c); |
610 | } |
836 | } |
611 | |
837 | |
612 | static void |
838 | static void |
613 | save_perl (pTHX_ Coro__State c) |
839 | save_perl (pTHX_ Coro__State c) |
614 | { |
840 | { |
|
|
841 | SWAP_SVS_LEAVE (c); |
|
|
842 | |
|
|
843 | if (ecb_expect_false (c->on_leave_xs)) |
|
|
844 | { |
|
|
845 | int i; |
|
|
846 | |
|
|
847 | for (i = AvFILLp (c->on_leave_xs) - 1; i >= 0; i -= 2) |
|
|
848 | ((coro_enterleave_hook)AvARRAY (c->on_leave_xs)[i]) (aTHX_ AvARRAY (c->on_leave_xs)[i + 1]); |
|
|
849 | } |
|
|
850 | |
615 | if (expect_false (c->on_leave)) |
851 | if (ecb_expect_false (c->on_leave)) |
616 | { |
852 | { |
617 | int i; |
853 | int i; |
618 | |
854 | |
619 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
855 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
620 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
856 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
621 | } |
857 | } |
622 | |
858 | |
623 | times_valid = 0; |
859 | times_valid = 0; |
624 | |
860 | |
625 | if (expect_false (enable_times)) |
861 | if (ecb_expect_false (enable_times)) |
626 | { |
862 | { |
627 | coro_times_update (); times_valid = 1; |
863 | coro_times_update (); times_valid = 1; |
628 | coro_times_add (c); |
864 | coro_times_add (c); |
629 | } |
865 | } |
630 | |
866 | |
… | |
… | |
644 | |
880 | |
645 | XPUSHs (Nullsv); |
881 | XPUSHs (Nullsv); |
646 | /* this loop was inspired by pp_caller */ |
882 | /* this loop was inspired by pp_caller */ |
647 | for (;;) |
883 | for (;;) |
648 | { |
884 | { |
649 | while (expect_true (cxix >= 0)) |
885 | while (ecb_expect_true (cxix >= 0)) |
650 | { |
886 | { |
651 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
887 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
652 | |
888 | |
653 | if (expect_true (CxTYPE (cx) == CXt_SUB) || expect_false (CxTYPE (cx) == CXt_FORMAT)) |
889 | if (ecb_expect_true (CxTYPE (cx) == CXt_SUB) || ecb_expect_false (CxTYPE (cx) == CXt_FORMAT)) |
654 | { |
890 | { |
655 | CV *cv = cx->blk_sub.cv; |
891 | CV *cv = cx->blk_sub.cv; |
656 | |
892 | |
657 | if (expect_true (CvDEPTH (cv))) |
893 | if (ecb_expect_true (CvDEPTH (cv))) |
658 | { |
894 | { |
659 | EXTEND (SP, 3); |
895 | EXTEND (SP, 3); |
660 | PUSHs ((SV *)CvPADLIST (cv)); |
896 | PUSHs ((SV *)CvPADLIST (cv)); |
661 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
897 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
662 | PUSHs ((SV *)cv); |
898 | PUSHs ((SV *)cv); |
… | |
… | |
665 | get_padlist (aTHX_ cv); |
901 | get_padlist (aTHX_ cv); |
666 | } |
902 | } |
667 | } |
903 | } |
668 | } |
904 | } |
669 | |
905 | |
670 | if (expect_true (top_si->si_type == PERLSI_MAIN)) |
906 | if (ecb_expect_true (top_si->si_type == PERLSI_MAIN)) |
671 | break; |
907 | break; |
672 | |
908 | |
673 | top_si = top_si->si_prev; |
909 | top_si = top_si->si_prev; |
674 | ccstk = top_si->si_cxstack; |
910 | ccstk = top_si->si_cxstack; |
675 | cxix = top_si->si_cxix; |
911 | cxix = top_si->si_cxix; |
… | |
… | |
677 | |
913 | |
678 | PUTBACK; |
914 | PUTBACK; |
679 | } |
915 | } |
680 | |
916 | |
681 | /* allocate some space on the context stack for our purposes */ |
917 | /* allocate some space on the context stack for our purposes */ |
682 | /* we manually unroll here, as usually 2 slots is enough */ |
918 | if (ecb_expect_false (cxstack_ix + (int)SLOT_COUNT >= cxstack_max)) |
683 | if (SLOT_COUNT >= 1) CXINC; |
|
|
684 | if (SLOT_COUNT >= 2) CXINC; |
|
|
685 | if (SLOT_COUNT >= 3) CXINC; |
|
|
686 | { |
919 | { |
687 | unsigned int i; |
920 | unsigned int i; |
|
|
921 | |
688 | for (i = 3; i < SLOT_COUNT; ++i) |
922 | for (i = 0; i < SLOT_COUNT; ++i) |
689 | CXINC; |
923 | CXINC; |
690 | } |
924 | |
691 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
925 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
|
|
926 | } |
692 | |
927 | |
693 | c->mainstack = PL_mainstack; |
928 | c->mainstack = PL_mainstack; |
694 | |
929 | |
695 | { |
930 | { |
696 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
931 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
697 | |
932 | |
698 | slot->defav = GvAV (PL_defgv); |
933 | #if CORO_JIT |
699 | slot->defsv = DEFSV; |
934 | save_perl_slots (slot); |
700 | slot->errsv = ERRSV; |
935 | #else |
701 | slot->irsgv = GvSV (irsgv); |
|
|
702 | slot->hinthv = GvHV (PL_hintgv); |
|
|
703 | |
|
|
704 | #define VAR(name,type) slot->name = PL_ ## name; |
936 | #define VARx(name,expr,type) slot->name = expr; |
705 | # include "state.h" |
937 | #include "state.h" |
706 | #undef VAR |
938 | #endif |
707 | } |
939 | } |
708 | } |
940 | } |
709 | |
941 | |
710 | /* |
942 | /* |
711 | * allocate various perl stacks. This is almost an exact copy |
943 | * allocate various perl stacks. This is almost an exact copy |
… | |
… | |
717 | # define coro_init_stacks(thx) init_stacks () |
949 | # define coro_init_stacks(thx) init_stacks () |
718 | #else |
950 | #else |
719 | static void |
951 | static void |
720 | coro_init_stacks (pTHX) |
952 | coro_init_stacks (pTHX) |
721 | { |
953 | { |
722 | PL_curstackinfo = new_stackinfo(32, 8); |
954 | PL_curstackinfo = new_stackinfo(32, 4 + SLOT_COUNT); /* 3 is minimum due to perl rounding down in scope.c:GROW() */ |
723 | PL_curstackinfo->si_type = PERLSI_MAIN; |
955 | PL_curstackinfo->si_type = PERLSI_MAIN; |
724 | PL_curstack = PL_curstackinfo->si_stack; |
956 | PL_curstack = PL_curstackinfo->si_stack; |
725 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
957 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
726 | |
958 | |
727 | PL_stack_base = AvARRAY(PL_curstack); |
959 | PL_stack_base = AvARRAY(PL_curstack); |
… | |
… | |
742 | #endif |
974 | #endif |
743 | |
975 | |
744 | New(54,PL_scopestack,8,I32); |
976 | New(54,PL_scopestack,8,I32); |
745 | PL_scopestack_ix = 0; |
977 | PL_scopestack_ix = 0; |
746 | PL_scopestack_max = 8; |
978 | PL_scopestack_max = 8; |
|
|
979 | #if HAS_SCOPESTACK_NAME |
|
|
980 | New(54,PL_scopestack_name,8,const char*); |
|
|
981 | #endif |
747 | |
982 | |
748 | New(54,PL_savestack,24,ANY); |
983 | New(54,PL_savestack,24,ANY); |
749 | PL_savestack_ix = 0; |
984 | PL_savestack_ix = 0; |
750 | PL_savestack_max = 24; |
985 | PL_savestack_max = 24; |
|
|
986 | #if PERL_VERSION_ATLEAST (5,24,0) |
|
|
987 | /* perl 5.24 moves SS_MAXPUSH optimisation from */ |
|
|
988 | /* the header macros to PL_savestack_max */ |
|
|
989 | PL_savestack_max -= SS_MAXPUSH; |
|
|
990 | #endif |
751 | |
991 | |
752 | #if !PERL_VERSION_ATLEAST (5,10,0) |
992 | #if !PERL_VERSION_ATLEAST (5,10,0) |
753 | New(54,PL_retstack,4,OP*); |
993 | New(54,PL_retstack,4,OP*); |
754 | PL_retstack_ix = 0; |
994 | PL_retstack_ix = 0; |
755 | PL_retstack_max = 4; |
995 | PL_retstack_max = 4; |
… | |
… | |
779 | } |
1019 | } |
780 | |
1020 | |
781 | Safefree (PL_tmps_stack); |
1021 | Safefree (PL_tmps_stack); |
782 | Safefree (PL_markstack); |
1022 | Safefree (PL_markstack); |
783 | Safefree (PL_scopestack); |
1023 | Safefree (PL_scopestack); |
|
|
1024 | #if HAS_SCOPESTACK_NAME |
|
|
1025 | Safefree (PL_scopestack_name); |
|
|
1026 | #endif |
784 | Safefree (PL_savestack); |
1027 | Safefree (PL_savestack); |
785 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1028 | #if !PERL_VERSION_ATLEAST (5,10,0) |
786 | Safefree (PL_retstack); |
1029 | Safefree (PL_retstack); |
787 | #endif |
1030 | #endif |
788 | } |
1031 | } |
… | |
… | |
818 | } |
1061 | } |
819 | |
1062 | |
820 | return rss; |
1063 | return rss; |
821 | } |
1064 | } |
822 | |
1065 | |
823 | /** coroutine stack handling ************************************************/ |
1066 | /** provide custom get/set/clear methods for %SIG elements ******************/ |
824 | |
|
|
825 | static int (*orig_sigelem_get) (pTHX_ SV *sv, MAGIC *mg); |
|
|
826 | static int (*orig_sigelem_set) (pTHX_ SV *sv, MAGIC *mg); |
|
|
827 | static int (*orig_sigelem_clr) (pTHX_ SV *sv, MAGIC *mg); |
|
|
828 | |
1067 | |
829 | /* apparently < 5.8.8 */ |
1068 | /* apparently < 5.8.8 */ |
830 | #ifndef MgPV_nolen_const |
1069 | #ifndef MgPV_nolen_const |
831 | #define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \ |
1070 | #define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \ |
832 | SvPV_nolen((SV*)((mg)->mg_ptr)) : \ |
1071 | SvPV_nolen((SV*)((mg)->mg_ptr)) : \ |
833 | (const char*)(mg)->mg_ptr) |
1072 | (const char*)(mg)->mg_ptr) |
834 | #endif |
1073 | #endif |
835 | |
1074 | |
|
|
1075 | /* this will be a patched copy of PL_vtbl_sigelem */ |
|
|
1076 | static MGVTBL coro_sigelem_vtbl; |
|
|
1077 | |
|
|
1078 | static int ecb_cold |
|
|
1079 | coro_sig_copy (pTHX_ SV *sv, MAGIC *mg, SV *nsv, const char *name, I32 namlen) |
|
|
1080 | { |
|
|
1081 | char *key = SvPV_nolen ((SV *)name); |
|
|
1082 | |
|
|
1083 | /* do what mg_copy normally does */ |
|
|
1084 | sv_magic (nsv, mg->mg_obj, PERL_MAGIC_sigelem, name, namlen); |
|
|
1085 | assert (mg_find (nsv, PERL_MAGIC_sigelem)->mg_virtual == &PL_vtbl_sigelem); |
|
|
1086 | |
|
|
1087 | /* patch sigelem vtbl, but only for __WARN__ and __DIE__ */ |
|
|
1088 | if (*key == '_' |
|
|
1089 | && (strEQ (key, "__DIE__") |
|
|
1090 | || strEQ (key, "__WARN__"))) |
|
|
1091 | mg_find (nsv, PERL_MAGIC_sigelem)->mg_virtual = &coro_sigelem_vtbl; |
|
|
1092 | |
|
|
1093 | return 1; |
|
|
1094 | } |
|
|
1095 | |
|
|
1096 | /* perl does not have a %SIG vtbl, we provide one so we can override */ |
|
|
1097 | /* the magic vtbl for the __DIE__ and __WARN__ members */ |
|
|
1098 | static const MGVTBL coro_sig_vtbl = { |
|
|
1099 | 0, 0, 0, 0, 0, |
|
|
1100 | coro_sig_copy |
|
|
1101 | }; |
|
|
1102 | |
836 | /* |
1103 | /* |
837 | * This overrides the default magic get method of %SIG elements. |
1104 | * This overrides the default magic get method of %SIG elements. |
838 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
1105 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
839 | * and instead of trying to save and restore the hash elements, we just provide |
1106 | * and instead of trying to save and restore the hash elements (extremely slow), |
840 | * readback here. |
1107 | * we just provide our own readback here. |
841 | */ |
1108 | */ |
842 | static int |
1109 | static int ecb_cold |
843 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
1110 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
844 | { |
1111 | { |
845 | const char *s = MgPV_nolen_const (mg); |
1112 | const char *s = MgPV_nolen_const (mg); |
|
|
1113 | /* the key must be either __DIE__ or __WARN__ here */ |
|
|
1114 | SV **svp = s[2] == 'D' ? &PL_diehook : &PL_warnhook; |
846 | |
1115 | |
847 | if (*s == '_') |
1116 | SV *ssv; |
848 | { |
|
|
849 | SV **svp = 0; |
|
|
850 | |
1117 | |
851 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
|
|
852 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
|
|
853 | |
|
|
854 | if (svp) |
1118 | if (!*svp) |
855 | { |
1119 | ssv = &PL_sv_undef; |
856 | sv_setsv (sv, *svp ? *svp : &PL_sv_undef); |
1120 | else if (SvTYPE (*svp) == SVt_PVCV) /* perlio directly stores a CV in warnhook. ugh. */ |
857 | return 0; |
1121 | ssv = sv_2mortal (newRV_inc (*svp)); |
858 | } |
1122 | else |
859 | } |
1123 | ssv = *svp; |
860 | |
1124 | |
861 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
1125 | sv_setsv (sv, ssv); |
|
|
1126 | return 0; |
862 | } |
1127 | } |
863 | |
1128 | |
864 | static int |
1129 | static int ecb_cold |
865 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
1130 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
866 | { |
1131 | { |
867 | 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; |
868 | |
1135 | |
869 | if (*s == '_') |
|
|
870 | { |
|
|
871 | SV **svp = 0; |
|
|
872 | |
|
|
873 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
|
|
874 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
|
|
875 | |
|
|
876 | if (svp) |
|
|
877 | { |
|
|
878 | SV *old = *svp; |
1136 | SV *old = *svp; |
879 | *svp = 0; |
1137 | *svp = 0; |
880 | SvREFCNT_dec (old); |
1138 | SvREFCNT_dec (old); |
881 | return 0; |
1139 | return 0; |
882 | } |
|
|
883 | } |
|
|
884 | |
|
|
885 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
|
|
886 | } |
1140 | } |
887 | |
1141 | |
888 | static int |
1142 | static int ecb_cold |
889 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
1143 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
890 | { |
1144 | { |
891 | const char *s = MgPV_nolen_const (mg); |
1145 | const char *s = MgPV_nolen_const (mg); |
|
|
1146 | /* the key must be either __DIE__ or __WARN__ here */ |
|
|
1147 | SV **svp = s[2] == 'D' ? &PL_diehook : &PL_warnhook; |
892 | |
1148 | |
893 | if (*s == '_') |
|
|
894 | { |
|
|
895 | SV **svp = 0; |
|
|
896 | |
|
|
897 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
|
|
898 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
|
|
899 | |
|
|
900 | if (svp) |
|
|
901 | { |
|
|
902 | SV *old = *svp; |
1149 | SV *old = *svp; |
903 | *svp = SvOK (sv) ? newSVsv (sv) : 0; |
1150 | *svp = SvOK (sv) ? newSVsv (sv) : 0; |
904 | SvREFCNT_dec (old); |
1151 | SvREFCNT_dec (old); |
905 | return 0; |
1152 | return 0; |
906 | } |
|
|
907 | } |
|
|
908 | |
|
|
909 | return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0; |
|
|
910 | } |
1153 | } |
911 | |
1154 | |
912 | static void |
1155 | static void |
913 | prepare_nop (pTHX_ struct coro_transfer_args *ta) |
1156 | prepare_nop (pTHX_ struct coro_transfer_args *ta) |
914 | { |
1157 | { |
… | |
… | |
926 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
1169 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
927 | { |
1170 | { |
928 | return 1; |
1171 | return 1; |
929 | } |
1172 | } |
930 | |
1173 | |
931 | static UNOP coro_setup_op; |
1174 | /** coroutine stack handling ************************************************/ |
932 | |
1175 | |
933 | static void NOINLINE /* noinline to keep it out of the transfer fast path */ |
1176 | static UNOP init_perl_op; |
|
|
1177 | |
|
|
1178 | ecb_noinline static void /* noinline to keep it out of the transfer fast path */ |
934 | coro_setup (pTHX_ struct coro *coro) |
1179 | init_perl (pTHX_ struct coro *coro) |
935 | { |
1180 | { |
936 | /* |
1181 | /* |
937 | * emulate part of the perl startup here. |
1182 | * emulate part of the perl startup here. |
938 | */ |
1183 | */ |
939 | coro_init_stacks (aTHX); |
1184 | coro_init_stacks (aTHX); |
… | |
… | |
946 | PL_comppad_name_fill = 0; |
1191 | PL_comppad_name_fill = 0; |
947 | PL_comppad_name_floor = 0; |
1192 | PL_comppad_name_floor = 0; |
948 | PL_curpm = 0; |
1193 | PL_curpm = 0; |
949 | PL_curpad = 0; |
1194 | PL_curpad = 0; |
950 | PL_localizing = 0; |
1195 | PL_localizing = 0; |
951 | PL_dirty = 0; |
|
|
952 | PL_restartop = 0; |
1196 | PL_restartop = 0; |
953 | #if PERL_VERSION_ATLEAST (5,10,0) |
1197 | #if PERL_VERSION_ATLEAST (5,10,0) |
954 | PL_parser = 0; |
1198 | PL_parser = 0; |
955 | #endif |
1199 | #endif |
956 | PL_hints = 0; |
1200 | PL_hints = 0; |
957 | |
1201 | |
958 | /* recreate the die/warn hooks */ |
1202 | /* recreate the die/warn hooks */ |
959 | PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); |
1203 | PL_diehook = SvREFCNT_inc (rv_diehook); |
960 | PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook); |
1204 | PL_warnhook = SvREFCNT_inc (rv_warnhook); |
961 | |
1205 | |
962 | GvSV (PL_defgv) = newSV (0); |
1206 | GvSV (PL_defgv) = newSV (0); |
963 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1207 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
964 | GvSV (PL_errgv) = newSV (0); |
1208 | GvSV (PL_errgv) = newSV (0); |
965 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
1209 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
966 | GvHV (PL_hintgv) = 0; |
1210 | GvHV (PL_hintgv) = newHV (); |
|
|
1211 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
1212 | hv_magic (GvHV (PL_hintgv), 0, PERL_MAGIC_hints); |
|
|
1213 | #endif |
967 | PL_rs = newSVsv (GvSV (irsgv)); |
1214 | PL_rs = newSVsv (GvSV (irsgv)); |
968 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
1215 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
969 | |
1216 | |
970 | { |
1217 | { |
971 | dSP; |
1218 | dSP; |
… | |
… | |
975 | myop.op_next = Nullop; |
1222 | myop.op_next = Nullop; |
976 | myop.op_type = OP_ENTERSUB; |
1223 | myop.op_type = OP_ENTERSUB; |
977 | myop.op_flags = OPf_WANT_VOID; |
1224 | myop.op_flags = OPf_WANT_VOID; |
978 | |
1225 | |
979 | PUSHMARK (SP); |
1226 | PUSHMARK (SP); |
980 | PUSHs ((SV *)coro->startcv); |
1227 | XPUSHs ((SV *)coro->startcv); |
981 | PUTBACK; |
1228 | PUTBACK; |
982 | PL_op = (OP *)&myop; |
1229 | PL_op = (OP *)&myop; |
983 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
1230 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
984 | } |
1231 | } |
985 | |
1232 | |
986 | /* this newly created coroutine might be run on an existing cctx which most |
1233 | /* this newly created coroutine might be run on an existing cctx which most |
987 | * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. |
1234 | * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. |
988 | */ |
1235 | */ |
989 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
1236 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
990 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
1237 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
|
|
1238 | slf_frame.destroy = 0; |
991 | |
1239 | |
992 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
1240 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
993 | coro_setup_op.op_next = PL_op; |
1241 | init_perl_op.op_next = PL_op; |
994 | coro_setup_op.op_type = OP_ENTERSUB; |
1242 | init_perl_op.op_type = OP_ENTERSUB; |
995 | coro_setup_op.op_ppaddr = pp_slf; |
1243 | init_perl_op.op_ppaddr = pp_slf; |
996 | /* no flags etc. required, as an init function won't be called */ |
1244 | /* no flags etc. required, as an init function won't be called */ |
997 | |
1245 | |
998 | PL_op = (OP *)&coro_setup_op; |
1246 | PL_op = (OP *)&init_perl_op; |
999 | |
1247 | |
1000 | /* copy throw, in case it was set before coro_setup */ |
1248 | /* copy throw, in case it was set before init_perl */ |
1001 | CORO_THROW = coro->except; |
1249 | CORO_THROW = coro->except; |
1002 | |
1250 | |
|
|
1251 | SWAP_SVS_ENTER (coro); |
|
|
1252 | |
1003 | if (expect_false (enable_times)) |
1253 | if (ecb_expect_false (enable_times)) |
1004 | { |
1254 | { |
1005 | coro_times_update (); |
1255 | coro_times_update (); |
1006 | coro_times_sub (coro); |
1256 | coro_times_sub (coro); |
1007 | } |
1257 | } |
1008 | } |
1258 | } |
… | |
… | |
1027 | dounwind (-1); |
1277 | dounwind (-1); |
1028 | } |
1278 | } |
1029 | } |
1279 | } |
1030 | |
1280 | |
1031 | static void |
1281 | static void |
1032 | coro_destruct_perl (pTHX_ struct coro *coro) |
1282 | destroy_perl (pTHX_ struct coro *coro) |
1033 | { |
1283 | { |
1034 | SV *svf [9]; |
1284 | SV *svf [9]; |
1035 | |
1285 | |
1036 | { |
1286 | { |
|
|
1287 | SV *old_current = SvRV (coro_current); |
1037 | struct coro *current = SvSTATE_current; |
1288 | struct coro *current = SvSTATE (old_current); |
1038 | |
1289 | |
1039 | assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack)); |
1290 | assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack)); |
1040 | |
1291 | |
1041 | save_perl (aTHX_ current); |
1292 | save_perl (aTHX_ current); |
|
|
1293 | |
|
|
1294 | /* this will cause transfer_check to croak on block*/ |
|
|
1295 | SvRV_set (coro_current, (SV *)coro->hv); |
|
|
1296 | |
1042 | load_perl (aTHX_ coro); |
1297 | load_perl (aTHX_ coro); |
1043 | |
1298 | |
|
|
1299 | /* restore swapped sv's */ |
|
|
1300 | SWAP_SVS_LEAVE (coro); |
|
|
1301 | |
1044 | coro_unwind_stacks (aTHX); |
1302 | coro_unwind_stacks (aTHX); |
|
|
1303 | |
1045 | coro_destruct_stacks (aTHX); |
1304 | coro_destruct_stacks (aTHX); |
1046 | |
1305 | |
1047 | // now save some sv's to be free'd later |
1306 | /* now save some sv's to be free'd later */ |
1048 | svf [0] = GvSV (PL_defgv); |
1307 | svf [0] = GvSV (PL_defgv); |
1049 | svf [1] = (SV *)GvAV (PL_defgv); |
1308 | svf [1] = (SV *)GvAV (PL_defgv); |
1050 | svf [2] = GvSV (PL_errgv); |
1309 | svf [2] = GvSV (PL_errgv); |
1051 | svf [3] = (SV *)PL_defoutgv; |
1310 | svf [3] = (SV *)PL_defoutgv; |
1052 | svf [4] = PL_rs; |
1311 | svf [4] = PL_rs; |
… | |
… | |
1054 | svf [6] = (SV *)GvHV (PL_hintgv); |
1313 | svf [6] = (SV *)GvHV (PL_hintgv); |
1055 | svf [7] = PL_diehook; |
1314 | svf [7] = PL_diehook; |
1056 | svf [8] = PL_warnhook; |
1315 | svf [8] = PL_warnhook; |
1057 | assert (9 == sizeof (svf) / sizeof (*svf)); |
1316 | assert (9 == sizeof (svf) / sizeof (*svf)); |
1058 | |
1317 | |
|
|
1318 | SvRV_set (coro_current, old_current); |
|
|
1319 | |
1059 | load_perl (aTHX_ current); |
1320 | load_perl (aTHX_ current); |
1060 | } |
1321 | } |
1061 | |
1322 | |
1062 | { |
1323 | { |
1063 | unsigned int i; |
1324 | unsigned int i; |
… | |
… | |
1067 | |
1328 | |
1068 | SvREFCNT_dec (coro->saved_deffh); |
1329 | SvREFCNT_dec (coro->saved_deffh); |
1069 | SvREFCNT_dec (coro->rouse_cb); |
1330 | SvREFCNT_dec (coro->rouse_cb); |
1070 | SvREFCNT_dec (coro->invoke_cb); |
1331 | SvREFCNT_dec (coro->invoke_cb); |
1071 | SvREFCNT_dec (coro->invoke_av); |
1332 | SvREFCNT_dec (coro->invoke_av); |
|
|
1333 | SvREFCNT_dec (coro->on_enter_xs); |
|
|
1334 | SvREFCNT_dec (coro->on_leave_xs); |
1072 | } |
1335 | } |
1073 | } |
1336 | } |
1074 | |
1337 | |
1075 | INLINE void |
1338 | ecb_inline void |
1076 | free_coro_mortal (pTHX) |
1339 | free_coro_mortal (pTHX) |
1077 | { |
1340 | { |
1078 | if (expect_true (coro_mortal)) |
1341 | if (ecb_expect_true (coro_mortal)) |
1079 | { |
1342 | { |
1080 | SvREFCNT_dec (coro_mortal); |
1343 | SvREFCNT_dec ((SV *)coro_mortal); |
1081 | coro_mortal = 0; |
1344 | coro_mortal = 0; |
1082 | } |
1345 | } |
1083 | } |
1346 | } |
1084 | |
1347 | |
1085 | static int |
1348 | static int |
… | |
… | |
1117 | av_push (av, SvREFCNT_inc_NN (*bot++)); |
1380 | av_push (av, SvREFCNT_inc_NN (*bot++)); |
1118 | |
1381 | |
1119 | PL_runops = RUNOPS_DEFAULT; |
1382 | PL_runops = RUNOPS_DEFAULT; |
1120 | ENTER; |
1383 | ENTER; |
1121 | SAVETMPS; |
1384 | SAVETMPS; |
|
|
1385 | PUSHMARK (SP); |
1122 | EXTEND (SP, 3); |
1386 | EXTEND (SP, 3); |
1123 | PUSHMARK (SP); |
|
|
1124 | PUSHs (&PL_sv_no); |
1387 | PUSHs (&PL_sv_no); |
1125 | PUSHs (fullname); |
1388 | PUSHs (fullname); |
1126 | PUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
1389 | PUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
1127 | PUTBACK; |
1390 | PUTBACK; |
1128 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
1391 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
… | |
… | |
1139 | |
1402 | |
1140 | if (PL_curcop != &PL_compiling) |
1403 | if (PL_curcop != &PL_compiling) |
1141 | { |
1404 | { |
1142 | SV **cb; |
1405 | SV **cb; |
1143 | |
1406 | |
1144 | if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB) |
1407 | if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB && cxstack_ix >= 0) |
1145 | { |
1408 | { |
1146 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1409 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1147 | |
1410 | |
1148 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
1411 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
1149 | { |
1412 | { |
… | |
… | |
1155 | gv_efullname3 (fullname, gv, 0); |
1418 | gv_efullname3 (fullname, gv, 0); |
1156 | |
1419 | |
1157 | PL_runops = RUNOPS_DEFAULT; |
1420 | PL_runops = RUNOPS_DEFAULT; |
1158 | ENTER; |
1421 | ENTER; |
1159 | SAVETMPS; |
1422 | SAVETMPS; |
|
|
1423 | PUSHMARK (SP); |
1160 | EXTEND (SP, 3); |
1424 | EXTEND (SP, 3); |
1161 | PUSHMARK (SP); |
|
|
1162 | PUSHs (&PL_sv_yes); |
1425 | PUSHs (&PL_sv_yes); |
1163 | PUSHs (fullname); |
1426 | PUSHs (fullname); |
1164 | PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef); |
1427 | PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc (SUB_ARGARRAY)) : &PL_sv_undef); |
1165 | PUTBACK; |
1428 | PUTBACK; |
1166 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
1429 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
1167 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
1430 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
1168 | SPAGAIN; |
1431 | SPAGAIN; |
1169 | FREETMPS; |
1432 | FREETMPS; |
… | |
… | |
1179 | dSP; |
1442 | dSP; |
1180 | |
1443 | |
1181 | PL_runops = RUNOPS_DEFAULT; |
1444 | PL_runops = RUNOPS_DEFAULT; |
1182 | ENTER; |
1445 | ENTER; |
1183 | SAVETMPS; |
1446 | SAVETMPS; |
1184 | EXTEND (SP, 3); |
|
|
1185 | PL_runops = RUNOPS_DEFAULT; |
|
|
1186 | PUSHMARK (SP); |
1447 | PUSHMARK (SP); |
|
|
1448 | EXTEND (SP, 2); |
1187 | PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0))); |
1449 | PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0))); |
1188 | PUSHs (sv_2mortal (newSViv (CopLINE (oldcop)))); |
1450 | PUSHs (sv_2mortal (newSViv (CopLINE (oldcop)))); |
1189 | PUTBACK; |
1451 | PUTBACK; |
1190 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_line_cb", sizeof ("_trace_line_cb") - 1, 0); |
1452 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_line_cb", sizeof ("_trace_line_cb") - 1, 0); |
1191 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
1453 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
… | |
… | |
1218 | |
1480 | |
1219 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1481 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1220 | } |
1482 | } |
1221 | |
1483 | |
1222 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1484 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1223 | static void NOINLINE |
1485 | static void ecb_noinline |
1224 | cctx_prepare (pTHX) |
1486 | cctx_prepare (pTHX) |
1225 | { |
1487 | { |
1226 | PL_top_env = &PL_start_env; |
1488 | PL_top_env = &PL_start_env; |
1227 | |
1489 | |
1228 | if (cctx_current->flags & CC_TRACE) |
1490 | if (cctx_current->flags & CC_TRACE) |
… | |
… | |
1239 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1501 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1240 | slf_frame.check = slf_check_set_stacklevel; |
1502 | slf_frame.check = slf_check_set_stacklevel; |
1241 | } |
1503 | } |
1242 | |
1504 | |
1243 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1505 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1244 | INLINE void |
1506 | ecb_inline void |
1245 | transfer_tail (pTHX) |
1507 | transfer_tail (pTHX) |
1246 | { |
1508 | { |
1247 | free_coro_mortal (aTHX); |
1509 | free_coro_mortal (aTHX); |
|
|
1510 | } |
|
|
1511 | |
|
|
1512 | /* try to exit the same way perl's main function would do */ |
|
|
1513 | /* we do not bother resetting the environment or other things *7 |
|
|
1514 | /* that are not, uhm, essential */ |
|
|
1515 | /* this obviously also doesn't work when perl is embedded */ |
|
|
1516 | static void ecb_noinline ecb_cold |
|
|
1517 | perlish_exit (pTHX) |
|
|
1518 | { |
|
|
1519 | int exitstatus = perl_destruct (PL_curinterp); |
|
|
1520 | perl_free (PL_curinterp); |
|
|
1521 | exit (exitstatus); |
1248 | } |
1522 | } |
1249 | |
1523 | |
1250 | /* |
1524 | /* |
1251 | * this is a _very_ stripped down perl interpreter ;) |
1525 | * this is a _very_ stripped down perl interpreter ;) |
1252 | */ |
1526 | */ |
… | |
… | |
1279 | * coro body here, as perl_run destroys these. Likewise, we cannot catch |
1553 | * coro body here, as perl_run destroys these. Likewise, we cannot catch |
1280 | * runtime errors here, as this is just a random interpreter, not a thread. |
1554 | * runtime errors here, as this is just a random interpreter, not a thread. |
1281 | */ |
1555 | */ |
1282 | |
1556 | |
1283 | /* |
1557 | /* |
|
|
1558 | * pp_entersub in 5.24 no longer ENTERs, but perl_destruct |
|
|
1559 | * requires PL_scopestack_ix, so do it here if required. |
|
|
1560 | */ |
|
|
1561 | if (!PL_scopestack_ix) |
|
|
1562 | ENTER; |
|
|
1563 | |
|
|
1564 | /* |
1284 | * If perl-run returns we assume exit() was being called or the coro |
1565 | * If perl-run returns we assume exit() was being called or the coro |
1285 | * fell off the end, which seems to be the only valid (non-bug) |
1566 | * fell off the end, which seems to be the only valid (non-bug) |
1286 | * reason for perl_run to return. We try to exit by jumping to the |
1567 | * reason for perl_run to return. We try to mimic whatever perl is normally |
1287 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
1568 | * doing in that case. YMMV. |
1288 | * coroutine as Coro has no such concept. |
|
|
1289 | * This actually isn't valid with the pthread backend, but OSes requiring |
|
|
1290 | * that backend are too broken to do it in a standards-compliant way. |
|
|
1291 | */ |
1569 | */ |
1292 | PL_top_env = main_top_env; |
1570 | perlish_exit (aTHX); |
1293 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
|
|
1294 | } |
1571 | } |
1295 | } |
1572 | } |
1296 | |
1573 | |
1297 | static coro_cctx * |
1574 | static coro_cctx * |
1298 | cctx_new () |
1575 | cctx_new (void) |
1299 | { |
1576 | { |
1300 | coro_cctx *cctx; |
1577 | coro_cctx *cctx; |
1301 | |
1578 | |
1302 | ++cctx_count; |
1579 | ++cctx_count; |
1303 | New (0, cctx, 1, coro_cctx); |
1580 | New (0, cctx, 1, coro_cctx); |
… | |
… | |
1309 | return cctx; |
1586 | return cctx; |
1310 | } |
1587 | } |
1311 | |
1588 | |
1312 | /* create a new cctx only suitable as source */ |
1589 | /* create a new cctx only suitable as source */ |
1313 | static coro_cctx * |
1590 | static coro_cctx * |
1314 | cctx_new_empty () |
1591 | cctx_new_empty (void) |
1315 | { |
1592 | { |
1316 | coro_cctx *cctx = cctx_new (); |
1593 | coro_cctx *cctx = cctx_new (); |
1317 | |
1594 | |
1318 | cctx->sptr = 0; |
1595 | cctx->stack.sptr = 0; |
1319 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
1596 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
1320 | |
1597 | |
1321 | return cctx; |
1598 | return cctx; |
1322 | } |
1599 | } |
1323 | |
1600 | |
1324 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1601 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1325 | static coro_cctx * |
1602 | static coro_cctx * |
1326 | cctx_new_run () |
1603 | cctx_new_run (void) |
1327 | { |
1604 | { |
1328 | coro_cctx *cctx = cctx_new (); |
1605 | coro_cctx *cctx = cctx_new (); |
1329 | void *stack_start; |
|
|
1330 | size_t stack_size; |
|
|
1331 | |
1606 | |
1332 | #if HAVE_MMAP |
1607 | if (!coro_stack_alloc (&cctx->stack, cctx_stacksize)) |
1333 | cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
|
|
1334 | /* mmap supposedly does allocate-on-write for us */ |
|
|
1335 | cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
|
|
1336 | |
|
|
1337 | if (cctx->sptr != (void *)-1) |
|
|
1338 | { |
|
|
1339 | #if CORO_STACKGUARD |
|
|
1340 | mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); |
|
|
1341 | #endif |
|
|
1342 | stack_start = (char *)cctx->sptr + CORO_STACKGUARD * PAGESIZE; |
|
|
1343 | stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE; |
|
|
1344 | cctx->flags |= CC_MAPPED; |
|
|
1345 | } |
1608 | { |
1346 | else |
|
|
1347 | #endif |
|
|
1348 | { |
|
|
1349 | cctx->ssize = cctx_stacksize * (long)sizeof (long); |
|
|
1350 | New (0, cctx->sptr, cctx_stacksize, long); |
|
|
1351 | |
|
|
1352 | if (!cctx->sptr) |
|
|
1353 | { |
|
|
1354 | perror ("FATAL: unable to allocate stack for coroutine, exiting."); |
1609 | perror ("FATAL: unable to allocate stack for coroutine, exiting."); |
1355 | _exit (EXIT_FAILURE); |
1610 | _exit (EXIT_FAILURE); |
1356 | } |
|
|
1357 | |
|
|
1358 | stack_start = cctx->sptr; |
|
|
1359 | stack_size = cctx->ssize; |
|
|
1360 | } |
1611 | } |
1361 | |
1612 | |
1362 | #if CORO_USE_VALGRIND |
|
|
1363 | cctx->valgrind_id = VALGRIND_STACK_REGISTER ((char *)stack_start, (char *)stack_start + stack_size); |
|
|
1364 | #endif |
|
|
1365 | |
|
|
1366 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size); |
1613 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, cctx->stack.sptr, cctx->stack.ssze); |
1367 | |
1614 | |
1368 | return cctx; |
1615 | return cctx; |
1369 | } |
1616 | } |
1370 | |
1617 | |
1371 | static void |
1618 | static void |
1372 | cctx_destroy (coro_cctx *cctx) |
1619 | cctx_destroy (coro_cctx *cctx) |
1373 | { |
1620 | { |
1374 | if (!cctx) |
1621 | if (!cctx) |
1375 | return; |
1622 | return; |
1376 | |
1623 | |
1377 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));//D temporary? |
1624 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current)); |
1378 | |
1625 | |
1379 | --cctx_count; |
1626 | --cctx_count; |
1380 | coro_destroy (&cctx->cctx); |
1627 | coro_destroy (&cctx->cctx); |
1381 | |
1628 | |
1382 | /* coro_transfer creates new, empty cctx's */ |
1629 | coro_stack_free (&cctx->stack); |
1383 | if (cctx->sptr) |
|
|
1384 | { |
|
|
1385 | #if CORO_USE_VALGRIND |
|
|
1386 | VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); |
|
|
1387 | #endif |
|
|
1388 | |
|
|
1389 | #if HAVE_MMAP |
|
|
1390 | if (cctx->flags & CC_MAPPED) |
|
|
1391 | munmap (cctx->sptr, cctx->ssize); |
|
|
1392 | else |
|
|
1393 | #endif |
|
|
1394 | Safefree (cctx->sptr); |
|
|
1395 | } |
|
|
1396 | |
1630 | |
1397 | Safefree (cctx); |
1631 | Safefree (cctx); |
1398 | } |
1632 | } |
1399 | |
1633 | |
1400 | /* wether this cctx should be destructed */ |
1634 | /* wether this cctx should be destructed */ |
1401 | #define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) |
1635 | #define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) |
1402 | |
1636 | |
1403 | static coro_cctx * |
1637 | static coro_cctx * |
1404 | cctx_get (pTHX) |
1638 | cctx_get (pTHX) |
1405 | { |
1639 | { |
1406 | while (expect_true (cctx_first)) |
1640 | while (ecb_expect_true (cctx_first)) |
1407 | { |
1641 | { |
1408 | coro_cctx *cctx = cctx_first; |
1642 | coro_cctx *cctx = cctx_first; |
1409 | cctx_first = cctx->next; |
1643 | cctx_first = cctx->next; |
1410 | --cctx_idle; |
1644 | --cctx_idle; |
1411 | |
1645 | |
1412 | if (expect_true (!CCTX_EXPIRED (cctx))) |
1646 | if (ecb_expect_true (!CCTX_EXPIRED (cctx))) |
1413 | return cctx; |
1647 | return cctx; |
1414 | |
1648 | |
1415 | cctx_destroy (cctx); |
1649 | cctx_destroy (cctx); |
1416 | } |
1650 | } |
1417 | |
1651 | |
… | |
… | |
1419 | } |
1653 | } |
1420 | |
1654 | |
1421 | static void |
1655 | static void |
1422 | cctx_put (coro_cctx *cctx) |
1656 | cctx_put (coro_cctx *cctx) |
1423 | { |
1657 | { |
1424 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr)); |
1658 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->stack.sptr)); |
1425 | |
1659 | |
1426 | /* free another cctx if overlimit */ |
1660 | /* free another cctx if overlimit */ |
1427 | if (expect_false (cctx_idle >= cctx_max_idle)) |
1661 | if (ecb_expect_false (cctx_idle >= cctx_max_idle)) |
1428 | { |
1662 | { |
1429 | coro_cctx *first = cctx_first; |
1663 | coro_cctx *first = cctx_first; |
1430 | cctx_first = first->next; |
1664 | cctx_first = first->next; |
1431 | --cctx_idle; |
1665 | --cctx_idle; |
1432 | |
1666 | |
… | |
… | |
1443 | static void |
1677 | static void |
1444 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1678 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1445 | { |
1679 | { |
1446 | /* TODO: throwing up here is considered harmful */ |
1680 | /* TODO: throwing up here is considered harmful */ |
1447 | |
1681 | |
1448 | if (expect_true (prev != next)) |
1682 | if (ecb_expect_true (prev != next)) |
1449 | { |
1683 | { |
1450 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1684 | if (ecb_expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1451 | croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); |
1685 | croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); |
1452 | |
1686 | |
1453 | if (expect_false (next->flags & (CF_RUNNING | CF_DESTROYED | CF_SUSPENDED))) |
1687 | if (ecb_expect_false (next->flags & (CF_RUNNING | CF_ZOMBIE | CF_SUSPENDED))) |
1454 | croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); |
1688 | croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); |
1455 | |
1689 | |
1456 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1690 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1457 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1691 | if (ecb_expect_false (PL_lex_state != LEX_NOTPARSING)) |
1458 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1692 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1459 | #endif |
1693 | #endif |
1460 | } |
1694 | } |
1461 | } |
1695 | } |
1462 | |
1696 | |
1463 | /* always use the TRANSFER macro */ |
1697 | /* always use the TRANSFER macro */ |
1464 | static void NOINLINE /* noinline so we have a fixed stackframe */ |
1698 | static void ecb_noinline /* noinline so we have a fixed stackframe */ |
1465 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1699 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1466 | { |
1700 | { |
1467 | dSTACKLEVEL; |
1701 | dSTACKLEVEL; |
1468 | |
1702 | |
1469 | /* sometimes transfer is only called to set idle_sp */ |
1703 | /* sometimes transfer is only called to set idle_sp */ |
1470 | if (expect_false (!prev)) |
1704 | if (ecb_expect_false (!prev)) |
1471 | { |
1705 | { |
1472 | cctx_current->idle_sp = STACKLEVEL; |
1706 | cctx_current->idle_sp = STACKLEVEL; |
1473 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1707 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1474 | } |
1708 | } |
1475 | else if (expect_true (prev != next)) |
1709 | else if (ecb_expect_true (prev != next)) |
1476 | { |
1710 | { |
1477 | coro_cctx *cctx_prev; |
1711 | coro_cctx *cctx_prev; |
1478 | |
1712 | |
1479 | if (expect_false (prev->flags & CF_NEW)) |
1713 | if (ecb_expect_false (prev->flags & CF_NEW)) |
1480 | { |
1714 | { |
1481 | /* create a new empty/source context */ |
1715 | /* create a new empty/source context */ |
1482 | prev->flags &= ~CF_NEW; |
1716 | prev->flags &= ~CF_NEW; |
1483 | prev->flags |= CF_RUNNING; |
1717 | prev->flags |= CF_RUNNING; |
1484 | } |
1718 | } |
… | |
… | |
1487 | next->flags |= CF_RUNNING; |
1721 | next->flags |= CF_RUNNING; |
1488 | |
1722 | |
1489 | /* first get rid of the old state */ |
1723 | /* first get rid of the old state */ |
1490 | save_perl (aTHX_ prev); |
1724 | save_perl (aTHX_ prev); |
1491 | |
1725 | |
1492 | if (expect_false (next->flags & CF_NEW)) |
1726 | if (ecb_expect_false (next->flags & CF_NEW)) |
1493 | { |
1727 | { |
1494 | /* need to start coroutine */ |
1728 | /* need to start coroutine */ |
1495 | next->flags &= ~CF_NEW; |
1729 | next->flags &= ~CF_NEW; |
1496 | /* setup coroutine call */ |
1730 | /* setup coroutine call */ |
1497 | coro_setup (aTHX_ next); |
1731 | init_perl (aTHX_ next); |
1498 | } |
1732 | } |
1499 | else |
1733 | else |
1500 | load_perl (aTHX_ next); |
1734 | load_perl (aTHX_ next); |
1501 | |
1735 | |
1502 | /* possibly untie and reuse the cctx */ |
1736 | /* possibly untie and reuse the cctx */ |
1503 | if (expect_true ( |
1737 | if (ecb_expect_true ( |
1504 | cctx_current->idle_sp == STACKLEVEL |
1738 | cctx_current->idle_sp == STACKLEVEL |
1505 | && !(cctx_current->flags & CC_TRACE) |
1739 | && !(cctx_current->flags & CC_TRACE) |
1506 | && !force_cctx |
1740 | && !force_cctx |
1507 | )) |
1741 | )) |
1508 | { |
1742 | { |
1509 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1743 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1510 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1744 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1511 | |
1745 | |
1512 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1746 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1513 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1747 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1514 | if (expect_false (CCTX_EXPIRED (cctx_current))) |
1748 | if (ecb_expect_false (CCTX_EXPIRED (cctx_current))) |
1515 | if (expect_true (!next->cctx)) |
1749 | if (ecb_expect_true (!next->cctx)) |
1516 | next->cctx = cctx_get (aTHX); |
1750 | next->cctx = cctx_get (aTHX); |
1517 | |
1751 | |
1518 | cctx_put (cctx_current); |
1752 | cctx_put (cctx_current); |
1519 | } |
1753 | } |
1520 | else |
1754 | else |
1521 | prev->cctx = cctx_current; |
1755 | prev->cctx = cctx_current; |
1522 | |
1756 | |
1523 | ++next->usecount; |
1757 | ++next->usecount; |
1524 | |
1758 | |
1525 | cctx_prev = cctx_current; |
1759 | cctx_prev = cctx_current; |
1526 | cctx_current = expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1760 | cctx_current = ecb_expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1527 | |
1761 | |
1528 | next->cctx = 0; |
1762 | next->cctx = 0; |
1529 | |
1763 | |
1530 | if (expect_false (cctx_prev != cctx_current)) |
1764 | if (ecb_expect_false (cctx_prev != cctx_current)) |
1531 | { |
1765 | { |
1532 | cctx_prev->top_env = PL_top_env; |
1766 | cctx_prev->top_env = PL_top_env; |
1533 | PL_top_env = cctx_current->top_env; |
1767 | PL_top_env = cctx_current->top_env; |
1534 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1768 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1535 | } |
1769 | } |
… | |
… | |
1541 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1775 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1542 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1776 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1543 | |
1777 | |
1544 | /** high level stuff ********************************************************/ |
1778 | /** high level stuff ********************************************************/ |
1545 | |
1779 | |
|
|
1780 | /* this function is actually Coro, not Coro::State, but we call it from here */ |
|
|
1781 | /* because it is convenient - but it hasn't been declared yet for that reason */ |
1546 | static int |
1782 | static void |
|
|
1783 | coro_call_on_destroy (pTHX_ struct coro *coro); |
|
|
1784 | |
|
|
1785 | static void |
1547 | coro_state_destroy (pTHX_ struct coro *coro) |
1786 | coro_state_destroy (pTHX_ struct coro *coro) |
1548 | { |
1787 | { |
1549 | if (coro->flags & CF_DESTROYED) |
1788 | if (coro->flags & CF_ZOMBIE) |
1550 | return 0; |
1789 | return; |
1551 | |
1790 | |
1552 | if (coro->on_destroy && !PL_dirty) |
|
|
1553 | coro->on_destroy (aTHX_ coro); |
1791 | slf_destroy (aTHX_ coro); |
1554 | |
1792 | |
1555 | coro->flags |= CF_DESTROYED; |
1793 | coro->flags |= CF_ZOMBIE; |
1556 | |
1794 | |
1557 | if (coro->flags & CF_READY) |
1795 | if (coro->flags & CF_READY) |
1558 | { |
1796 | { |
1559 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1797 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1560 | /* alternative: look through all ready queues and remove the coro */ |
1798 | /* alternative: look through all ready queues and remove the coro */ |
1561 | --coro_nready; |
1799 | --coro_nready; |
1562 | } |
1800 | } |
1563 | else |
1801 | else |
1564 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
1802 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
|
|
1803 | |
|
|
1804 | if (coro->next) coro->next->prev = coro->prev; |
|
|
1805 | if (coro->prev) coro->prev->next = coro->next; |
|
|
1806 | if (coro == coro_first) coro_first = coro->next; |
1565 | |
1807 | |
1566 | if (coro->mainstack |
1808 | if (coro->mainstack |
1567 | && coro->mainstack != main_mainstack |
1809 | && coro->mainstack != main_mainstack |
1568 | && coro->slot |
1810 | && coro->slot |
1569 | && !PL_dirty) |
1811 | && !PL_dirty) |
1570 | coro_destruct_perl (aTHX_ coro); |
1812 | destroy_perl (aTHX_ coro); |
1571 | |
1813 | |
1572 | cctx_destroy (coro->cctx); |
1814 | cctx_destroy (coro->cctx); |
1573 | SvREFCNT_dec (coro->startcv); |
1815 | SvREFCNT_dec (coro->startcv); |
1574 | SvREFCNT_dec (coro->args); |
1816 | SvREFCNT_dec (coro->args); |
|
|
1817 | SvREFCNT_dec (coro->swap_sv); |
1575 | SvREFCNT_dec (CORO_THROW); |
1818 | SvREFCNT_dec (CORO_THROW); |
1576 | |
1819 | |
1577 | if (coro->next) coro->next->prev = coro->prev; |
1820 | coro_call_on_destroy (aTHX_ coro); |
1578 | if (coro->prev) coro->prev->next = coro->next; |
|
|
1579 | if (coro == coro_first) coro_first = coro->next; |
|
|
1580 | |
1821 | |
1581 | return 1; |
1822 | /* more destruction mayhem in coro_state_free */ |
1582 | } |
1823 | } |
1583 | |
1824 | |
1584 | static int |
1825 | static int |
1585 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1826 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1586 | { |
1827 | { |
1587 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1828 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1588 | mg->mg_ptr = 0; |
1829 | mg->mg_ptr = 0; |
1589 | |
1830 | |
1590 | coro->hv = 0; |
|
|
1591 | |
|
|
1592 | if (--coro->refcnt < 0) |
|
|
1593 | { |
|
|
1594 | coro_state_destroy (aTHX_ coro); |
1831 | coro_state_destroy (aTHX_ coro); |
|
|
1832 | SvREFCNT_dec (coro->on_destroy); |
|
|
1833 | SvREFCNT_dec (coro->status); |
|
|
1834 | |
1595 | Safefree (coro); |
1835 | Safefree (coro); |
1596 | } |
|
|
1597 | |
1836 | |
1598 | return 0; |
1837 | return 0; |
1599 | } |
1838 | } |
1600 | |
1839 | |
1601 | static int |
1840 | static int ecb_cold |
1602 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1841 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1603 | { |
1842 | { |
1604 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1843 | /* called when perl clones the current process the slow way (windows process emulation) */ |
1605 | |
1844 | /* WE SIMply nuke the pointers in the copy, causing perl to croak */ |
1606 | ++coro->refcnt; |
1845 | mg->mg_ptr = 0; |
|
|
1846 | mg->mg_virtual = 0; |
1607 | |
1847 | |
1608 | return 0; |
1848 | return 0; |
1609 | } |
1849 | } |
1610 | |
1850 | |
1611 | static MGVTBL coro_state_vtbl = { |
1851 | static MGVTBL coro_state_vtbl = { |
… | |
… | |
1636 | TRANSFER (ta, 1); |
1876 | TRANSFER (ta, 1); |
1637 | } |
1877 | } |
1638 | |
1878 | |
1639 | /** Coro ********************************************************************/ |
1879 | /** Coro ********************************************************************/ |
1640 | |
1880 | |
1641 | INLINE void |
1881 | ecb_inline void |
1642 | coro_enq (pTHX_ struct coro *coro) |
1882 | coro_enq (pTHX_ struct coro *coro) |
1643 | { |
1883 | { |
1644 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1884 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1645 | |
1885 | |
1646 | SvREFCNT_inc_NN (coro->hv); |
1886 | SvREFCNT_inc_NN (coro->hv); |
… | |
… | |
1648 | coro->next_ready = 0; |
1888 | coro->next_ready = 0; |
1649 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
1889 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
1650 | ready [1] = coro; |
1890 | ready [1] = coro; |
1651 | } |
1891 | } |
1652 | |
1892 | |
1653 | INLINE struct coro * |
1893 | ecb_inline struct coro * |
1654 | coro_deq (pTHX) |
1894 | coro_deq (pTHX) |
1655 | { |
1895 | { |
1656 | int prio; |
1896 | int prio; |
1657 | |
1897 | |
1658 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
1898 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
… | |
… | |
1711 | { |
1951 | { |
1712 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1952 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1713 | } |
1953 | } |
1714 | |
1954 | |
1715 | /* expects to own a reference to next->hv */ |
1955 | /* expects to own a reference to next->hv */ |
1716 | INLINE void |
1956 | ecb_inline void |
1717 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1957 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1718 | { |
1958 | { |
1719 | SV *prev_sv = SvRV (coro_current); |
1959 | SV *prev_sv = SvRV (coro_current); |
1720 | |
1960 | |
1721 | ta->prev = SvSTATE_hv (prev_sv); |
1961 | ta->prev = SvSTATE_hv (prev_sv); |
… | |
… | |
1734 | { |
1974 | { |
1735 | for (;;) |
1975 | for (;;) |
1736 | { |
1976 | { |
1737 | struct coro *next = coro_deq (aTHX); |
1977 | struct coro *next = coro_deq (aTHX); |
1738 | |
1978 | |
1739 | if (expect_true (next)) |
1979 | if (ecb_expect_true (next)) |
1740 | { |
1980 | { |
1741 | /* cannot transfer to destroyed coros, skip and look for next */ |
1981 | /* cannot transfer to destroyed coros, skip and look for next */ |
1742 | if (expect_false (next->flags & (CF_DESTROYED | CF_SUSPENDED))) |
1982 | if (ecb_expect_false (next->flags & (CF_ZOMBIE | CF_SUSPENDED))) |
1743 | SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ |
1983 | SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ |
1744 | else |
1984 | else |
1745 | { |
1985 | { |
1746 | next->flags &= ~CF_READY; |
1986 | next->flags &= ~CF_READY; |
1747 | --coro_nready; |
1987 | --coro_nready; |
… | |
… | |
1754 | { |
1994 | { |
1755 | /* nothing to schedule: call the idle handler */ |
1995 | /* nothing to schedule: call the idle handler */ |
1756 | if (SvROK (sv_idle) |
1996 | if (SvROK (sv_idle) |
1757 | && SvOBJECT (SvRV (sv_idle))) |
1997 | && SvOBJECT (SvRV (sv_idle))) |
1758 | { |
1998 | { |
|
|
1999 | if (SvRV (sv_idle) == SvRV (coro_current)) |
|
|
2000 | { |
|
|
2001 | require_pv ("Carp"); |
|
|
2002 | |
|
|
2003 | { |
|
|
2004 | dSP; |
|
|
2005 | |
|
|
2006 | ENTER; |
|
|
2007 | SAVETMPS; |
|
|
2008 | |
|
|
2009 | PUSHMARK (SP); |
|
|
2010 | XPUSHs (sv_2mortal (newSVpv ("FATAL: $Coro::idle blocked itself - did you try to block inside an event loop callback? Caught", 0))); |
|
|
2011 | PUTBACK; |
|
|
2012 | call_pv ("Carp::confess", G_VOID | G_DISCARD); |
|
|
2013 | |
|
|
2014 | FREETMPS; |
|
|
2015 | LEAVE; |
|
|
2016 | } |
|
|
2017 | } |
|
|
2018 | |
1759 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
2019 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
1760 | api_ready (aTHX_ SvRV (sv_idle)); |
2020 | api_ready (aTHX_ SvRV (sv_idle)); |
1761 | --coro_nready; |
2021 | --coro_nready; |
1762 | } |
2022 | } |
1763 | else |
2023 | else |
1764 | { |
2024 | { |
|
|
2025 | /* TODO: deprecated, remove, cannot work reliably *//*D*/ |
1765 | dSP; |
2026 | dSP; |
1766 | |
2027 | |
1767 | ENTER; |
2028 | ENTER; |
1768 | SAVETMPS; |
2029 | SAVETMPS; |
1769 | |
2030 | |
… | |
… | |
1776 | } |
2037 | } |
1777 | } |
2038 | } |
1778 | } |
2039 | } |
1779 | } |
2040 | } |
1780 | |
2041 | |
1781 | INLINE void |
2042 | ecb_inline void |
1782 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
2043 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1783 | { |
2044 | { |
1784 | api_ready (aTHX_ coro_current); |
2045 | api_ready (aTHX_ coro_current); |
1785 | prepare_schedule (aTHX_ ta); |
2046 | prepare_schedule (aTHX_ ta); |
1786 | } |
2047 | } |
1787 | |
2048 | |
1788 | INLINE void |
2049 | ecb_inline void |
1789 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
2050 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
1790 | { |
2051 | { |
1791 | SV *prev = SvRV (coro_current); |
2052 | SV *prev = SvRV (coro_current); |
1792 | |
2053 | |
1793 | if (coro_nready) |
2054 | if (coro_nready) |
… | |
… | |
1823 | { |
2084 | { |
1824 | struct coro_transfer_args ta; |
2085 | struct coro_transfer_args ta; |
1825 | |
2086 | |
1826 | prepare_cede (aTHX_ &ta); |
2087 | prepare_cede (aTHX_ &ta); |
1827 | |
2088 | |
1828 | if (expect_true (ta.prev != ta.next)) |
2089 | if (ecb_expect_true (ta.prev != ta.next)) |
1829 | { |
2090 | { |
1830 | TRANSFER (ta, 1); |
2091 | TRANSFER (ta, 1); |
1831 | return 1; |
2092 | return 1; |
1832 | } |
2093 | } |
1833 | else |
2094 | else |
… | |
… | |
1876 | coro->slot->runops = RUNOPS_DEFAULT; |
2137 | coro->slot->runops = RUNOPS_DEFAULT; |
1877 | } |
2138 | } |
1878 | } |
2139 | } |
1879 | |
2140 | |
1880 | static void |
2141 | static void |
|
|
2142 | coro_push_av (pTHX_ AV *av, I32 gimme_v) |
|
|
2143 | { |
|
|
2144 | if (AvFILLp (av) >= 0 && gimme_v != G_VOID) |
|
|
2145 | { |
|
|
2146 | dSP; |
|
|
2147 | |
|
|
2148 | if (gimme_v == G_SCALAR) |
|
|
2149 | XPUSHs (AvARRAY (av)[AvFILLp (av)]); |
|
|
2150 | else |
|
|
2151 | { |
|
|
2152 | int i; |
|
|
2153 | EXTEND (SP, AvFILLp (av) + 1); |
|
|
2154 | |
|
|
2155 | for (i = 0; i <= AvFILLp (av); ++i) |
|
|
2156 | PUSHs (AvARRAY (av)[i]); |
|
|
2157 | } |
|
|
2158 | |
|
|
2159 | PUTBACK; |
|
|
2160 | } |
|
|
2161 | } |
|
|
2162 | |
|
|
2163 | static void |
|
|
2164 | coro_push_on_destroy (pTHX_ struct coro *coro, SV *cb) |
|
|
2165 | { |
|
|
2166 | if (!coro->on_destroy) |
|
|
2167 | coro->on_destroy = newAV (); |
|
|
2168 | |
|
|
2169 | av_push (coro->on_destroy, cb); |
|
|
2170 | } |
|
|
2171 | |
|
|
2172 | static void |
|
|
2173 | slf_destroy_join (pTHX_ struct CoroSLF *frame) |
|
|
2174 | { |
|
|
2175 | SvREFCNT_dec ((SV *)((struct coro *)frame->data)->hv); |
|
|
2176 | } |
|
|
2177 | |
|
|
2178 | static int |
|
|
2179 | slf_check_join (pTHX_ struct CoroSLF *frame) |
|
|
2180 | { |
|
|
2181 | struct coro *coro = (struct coro *)frame->data; |
|
|
2182 | |
|
|
2183 | if (!coro->status) |
|
|
2184 | return 1; |
|
|
2185 | |
|
|
2186 | frame->destroy = 0; |
|
|
2187 | |
|
|
2188 | coro_push_av (aTHX_ coro->status, GIMME_V); |
|
|
2189 | |
|
|
2190 | SvREFCNT_dec ((SV *)coro->hv); |
|
|
2191 | |
|
|
2192 | return 0; |
|
|
2193 | } |
|
|
2194 | |
|
|
2195 | static void |
|
|
2196 | slf_init_join (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2197 | { |
|
|
2198 | struct coro *coro = SvSTATE (items > 0 ? arg [0] : &PL_sv_undef); |
|
|
2199 | |
|
|
2200 | if (items > 1) |
|
|
2201 | croak ("join called with too many arguments"); |
|
|
2202 | |
|
|
2203 | if (coro->status) |
|
|
2204 | frame->prepare = prepare_nop; |
|
|
2205 | else |
|
|
2206 | { |
|
|
2207 | coro_push_on_destroy (aTHX_ coro, SvREFCNT_inc_NN (SvRV (coro_current))); |
|
|
2208 | frame->prepare = prepare_schedule; |
|
|
2209 | } |
|
|
2210 | |
|
|
2211 | frame->check = slf_check_join; |
|
|
2212 | frame->destroy = slf_destroy_join; |
|
|
2213 | frame->data = (void *)coro; |
|
|
2214 | SvREFCNT_inc (coro->hv); |
|
|
2215 | } |
|
|
2216 | |
|
|
2217 | static void |
1881 | coro_call_on_destroy (pTHX_ struct coro *coro) |
2218 | coro_call_on_destroy (pTHX_ struct coro *coro) |
1882 | { |
2219 | { |
1883 | SV **on_destroyp = hv_fetch (coro->hv, "_on_destroy", sizeof ("_on_destroy") - 1, 0); |
2220 | AV *od = coro->on_destroy; |
1884 | SV **statusp = hv_fetch (coro->hv, "_status", sizeof ("_status") - 1, 0); |
|
|
1885 | |
2221 | |
1886 | if (on_destroyp) |
2222 | if (!od) |
1887 | { |
2223 | return; |
1888 | AV *on_destroy = (AV *)SvRV (*on_destroyp); |
|
|
1889 | |
2224 | |
|
|
2225 | coro->on_destroy = 0; |
|
|
2226 | sv_2mortal ((SV *)od); |
|
|
2227 | |
1890 | while (AvFILLp (on_destroy) >= 0) |
2228 | while (AvFILLp (od) >= 0) |
|
|
2229 | { |
|
|
2230 | SV *cb = sv_2mortal (av_pop (od)); |
|
|
2231 | |
|
|
2232 | /* coro hv's (and only hv's at the moment) are supported as well */ |
|
|
2233 | if (SvSTATEhv_p (aTHX_ cb)) |
|
|
2234 | api_ready (aTHX_ cb); |
|
|
2235 | else |
1891 | { |
2236 | { |
1892 | dSP; /* don't disturb outer sp */ |
2237 | dSP; /* don't disturb outer sp */ |
1893 | SV *cb = av_pop (on_destroy); |
|
|
1894 | |
|
|
1895 | PUSHMARK (SP); |
2238 | PUSHMARK (SP); |
1896 | |
2239 | |
1897 | if (statusp) |
2240 | if (coro->status) |
1898 | { |
2241 | { |
1899 | int i; |
2242 | PUTBACK; |
1900 | AV *status = (AV *)SvRV (*statusp); |
2243 | coro_push_av (aTHX_ coro->status, G_ARRAY); |
1901 | EXTEND (SP, AvFILLp (status) + 1); |
2244 | SPAGAIN; |
1902 | |
|
|
1903 | for (i = 0; i <= AvFILLp (status); ++i) |
|
|
1904 | PUSHs (AvARRAY (status)[i]); |
|
|
1905 | } |
2245 | } |
1906 | |
2246 | |
1907 | PUTBACK; |
2247 | PUTBACK; |
1908 | call_sv (sv_2mortal (cb), G_VOID | G_DISCARD); |
2248 | call_sv (cb, G_VOID | G_DISCARD); |
1909 | } |
2249 | } |
1910 | } |
2250 | } |
1911 | } |
2251 | } |
1912 | |
2252 | |
1913 | static void |
2253 | static void |
1914 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2254 | coro_set_status (pTHX_ struct coro *coro, SV **arg, int items) |
1915 | { |
2255 | { |
1916 | int i; |
2256 | AV *av; |
1917 | HV *hv = (HV *)SvRV (coro_current); |
2257 | |
1918 | AV *av = newAV (); |
2258 | if (coro->status) |
|
|
2259 | { |
|
|
2260 | av = coro->status; |
|
|
2261 | av_clear (av); |
|
|
2262 | } |
|
|
2263 | else |
|
|
2264 | av = coro->status = newAV (); |
1919 | |
2265 | |
1920 | /* items are actually not so common, so optimise for this case */ |
2266 | /* items are actually not so common, so optimise for this case */ |
1921 | if (items) |
2267 | if (items) |
1922 | { |
2268 | { |
|
|
2269 | int i; |
|
|
2270 | |
1923 | av_extend (av, items - 1); |
2271 | av_extend (av, items - 1); |
1924 | |
2272 | |
1925 | for (i = 0; i < items; ++i) |
2273 | for (i = 0; i < items; ++i) |
1926 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
2274 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
1927 | } |
2275 | } |
|
|
2276 | } |
1928 | |
2277 | |
1929 | hv_store (hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0); |
2278 | static void |
1930 | |
2279 | slf_init_terminate_cancel_common (pTHX_ struct CoroSLF *frame, HV *coro_hv) |
|
|
2280 | { |
1931 | av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */ |
2281 | av_push (av_destroy, (SV *)newRV_inc ((SV *)coro_hv)); /* RVinc for perl */ |
1932 | api_ready (aTHX_ sv_manager); |
2282 | api_ready (aTHX_ sv_manager); |
1933 | |
2283 | |
1934 | frame->prepare = prepare_schedule; |
2284 | frame->prepare = prepare_schedule; |
1935 | frame->check = slf_check_repeat; |
2285 | frame->check = slf_check_repeat; |
1936 | |
2286 | |
1937 | /* as a minor optimisation, we could unwind all stacks here */ |
2287 | /* as a minor optimisation, we could unwind all stacks here */ |
1938 | /* but that puts extra pressure on pp_slf, and is not worth much */ |
2288 | /* but that puts extra pressure on pp_slf, and is not worth much */ |
1939 | /*coro_unwind_stacks (aTHX);*/ |
2289 | /*coro_unwind_stacks (aTHX);*/ |
|
|
2290 | } |
|
|
2291 | |
|
|
2292 | static void |
|
|
2293 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2294 | { |
|
|
2295 | HV *coro_hv = (HV *)SvRV (coro_current); |
|
|
2296 | |
|
|
2297 | coro_set_status (aTHX_ SvSTATE ((SV *)coro_hv), arg, items); |
|
|
2298 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
|
|
2299 | } |
|
|
2300 | |
|
|
2301 | static void |
|
|
2302 | slf_init_cancel (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2303 | { |
|
|
2304 | HV *coro_hv; |
|
|
2305 | struct coro *coro; |
|
|
2306 | |
|
|
2307 | if (items <= 0) |
|
|
2308 | croak ("Coro::cancel called without coro object,"); |
|
|
2309 | |
|
|
2310 | coro = SvSTATE (arg [0]); |
|
|
2311 | coro_hv = coro->hv; |
|
|
2312 | |
|
|
2313 | coro_set_status (aTHX_ coro, arg + 1, items - 1); |
|
|
2314 | |
|
|
2315 | if (ecb_expect_false (coro->flags & CF_NOCANCEL)) |
|
|
2316 | { |
|
|
2317 | /* coro currently busy cancelling something, so just notify it */ |
|
|
2318 | coro->slf_frame.data = (void *)coro; |
|
|
2319 | |
|
|
2320 | frame->prepare = prepare_nop; |
|
|
2321 | frame->check = slf_check_nop; |
|
|
2322 | } |
|
|
2323 | else if (coro_hv == (HV *)SvRV (coro_current)) |
|
|
2324 | { |
|
|
2325 | /* cancelling the current coro is allowed, and equals terminate */ |
|
|
2326 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
|
|
2327 | } |
|
|
2328 | else |
|
|
2329 | { |
|
|
2330 | struct coro *self = SvSTATE_current; |
|
|
2331 | |
|
|
2332 | if (!self) |
|
|
2333 | croak ("Coro::cancel called outside of thread content,"); |
|
|
2334 | |
|
|
2335 | /* otherwise we cancel directly, purely for speed reasons |
|
|
2336 | * unfortunately, this requires some magic trickery, as |
|
|
2337 | * somebody else could cancel us, so we have to fight the cancellation. |
|
|
2338 | * this is ugly, and hopefully fully worth the extra speed. |
|
|
2339 | * besides, I can't get the slow-but-safe version working... |
|
|
2340 | */ |
|
|
2341 | slf_frame.data = 0; |
|
|
2342 | self->flags |= CF_NOCANCEL; |
|
|
2343 | coro_state_destroy (aTHX_ coro); |
|
|
2344 | self->flags &= ~CF_NOCANCEL; |
|
|
2345 | |
|
|
2346 | if (slf_frame.data) |
|
|
2347 | { |
|
|
2348 | /* while we were busy we have been cancelled, so terminate */ |
|
|
2349 | slf_init_terminate_cancel_common (aTHX_ frame, self->hv); |
|
|
2350 | } |
|
|
2351 | else |
|
|
2352 | { |
|
|
2353 | frame->prepare = prepare_nop; |
|
|
2354 | frame->check = slf_check_nop; |
|
|
2355 | } |
|
|
2356 | } |
|
|
2357 | } |
|
|
2358 | |
|
|
2359 | static int |
|
|
2360 | slf_check_safe_cancel (pTHX_ struct CoroSLF *frame) |
|
|
2361 | { |
|
|
2362 | frame->prepare = 0; |
|
|
2363 | coro_unwind_stacks (aTHX); |
|
|
2364 | |
|
|
2365 | slf_init_terminate_cancel_common (aTHX_ frame, (HV *)SvRV (coro_current)); |
|
|
2366 | |
|
|
2367 | return 1; |
|
|
2368 | } |
|
|
2369 | |
|
|
2370 | static int |
|
|
2371 | safe_cancel (pTHX_ struct coro *coro, SV **arg, int items) |
|
|
2372 | { |
|
|
2373 | if (coro->cctx) |
|
|
2374 | croak ("coro inside C callback, unable to cancel at this time, caught"); |
|
|
2375 | |
|
|
2376 | if (coro->flags & (CF_NEW | CF_ZOMBIE)) |
|
|
2377 | { |
|
|
2378 | coro_set_status (aTHX_ coro, arg, items); |
|
|
2379 | coro_state_destroy (aTHX_ coro); |
|
|
2380 | } |
|
|
2381 | else |
|
|
2382 | { |
|
|
2383 | if (!coro->slf_frame.prepare) |
|
|
2384 | croak ("coro outside an SLF function, unable to cancel at this time, caught"); |
|
|
2385 | |
|
|
2386 | slf_destroy (aTHX_ coro); |
|
|
2387 | |
|
|
2388 | coro_set_status (aTHX_ coro, arg, items); |
|
|
2389 | coro->slf_frame.prepare = prepare_nop; |
|
|
2390 | coro->slf_frame.check = slf_check_safe_cancel; |
|
|
2391 | |
|
|
2392 | api_ready (aTHX_ (SV *)coro->hv); |
|
|
2393 | } |
|
|
2394 | |
|
|
2395 | return 1; |
1940 | } |
2396 | } |
1941 | |
2397 | |
1942 | /*****************************************************************************/ |
2398 | /*****************************************************************************/ |
1943 | /* async pool handler */ |
2399 | /* async pool handler */ |
1944 | |
2400 | |
… | |
… | |
1975 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2431 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
1976 | { |
2432 | { |
1977 | HV *hv = (HV *)SvRV (coro_current); |
2433 | HV *hv = (HV *)SvRV (coro_current); |
1978 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
2434 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
1979 | |
2435 | |
1980 | if (expect_true (coro->saved_deffh)) |
2436 | if (ecb_expect_true (coro->saved_deffh)) |
1981 | { |
2437 | { |
1982 | /* subsequent iteration */ |
2438 | /* subsequent iteration */ |
1983 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
2439 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
1984 | coro->saved_deffh = 0; |
2440 | coro->saved_deffh = 0; |
1985 | |
2441 | |
1986 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
2442 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
1987 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
2443 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
1988 | { |
2444 | { |
1989 | coro->invoke_cb = SvREFCNT_inc_NN ((SV *)cv_coro_terminate); |
2445 | slf_init_terminate_cancel_common (aTHX_ frame, hv); |
1990 | coro->invoke_av = newAV (); |
2446 | return; |
1991 | |
|
|
1992 | frame->prepare = prepare_nop; |
|
|
1993 | } |
2447 | } |
1994 | else |
2448 | else |
1995 | { |
2449 | { |
1996 | av_clear (GvAV (PL_defgv)); |
2450 | av_clear (GvAV (PL_defgv)); |
1997 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
2451 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
1998 | |
2452 | |
|
|
2453 | if (ecb_expect_false (coro->swap_sv)) |
|
|
2454 | { |
|
|
2455 | SWAP_SVS_LEAVE (coro); |
|
|
2456 | SvREFCNT_dec_NN (coro->swap_sv); |
|
|
2457 | coro->swap_sv = 0; |
|
|
2458 | } |
|
|
2459 | |
1999 | coro->prio = 0; |
2460 | coro->prio = 0; |
2000 | |
2461 | |
2001 | if (coro->cctx && (coro->cctx->flags & CC_TRACE)) |
2462 | if (ecb_expect_false (coro->cctx) && ecb_expect_false (coro->cctx->flags & CC_TRACE)) |
2002 | api_trace (aTHX_ coro_current, 0); |
2463 | api_trace (aTHX_ coro_current, 0); |
2003 | |
2464 | |
2004 | frame->prepare = prepare_schedule; |
2465 | frame->prepare = prepare_schedule; |
2005 | av_push (av_async_pool, SvREFCNT_inc (hv)); |
2466 | av_push (av_async_pool, SvREFCNT_inc (hv)); |
2006 | } |
2467 | } |
… | |
… | |
2047 | |
2508 | |
2048 | static int |
2509 | static int |
2049 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
2510 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
2050 | { |
2511 | { |
2051 | SV *data = (SV *)frame->data; |
2512 | SV *data = (SV *)frame->data; |
2052 | |
2513 | |
2053 | if (CORO_THROW) |
2514 | if (CORO_THROW) |
2054 | return 0; |
2515 | return 0; |
2055 | |
2516 | |
2056 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2517 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2057 | return 1; |
2518 | return 1; |
… | |
… | |
2093 | cb = sv_2mortal (coro->rouse_cb); |
2554 | cb = sv_2mortal (coro->rouse_cb); |
2094 | coro->rouse_cb = 0; |
2555 | coro->rouse_cb = 0; |
2095 | } |
2556 | } |
2096 | |
2557 | |
2097 | if (!SvROK (cb) |
2558 | if (!SvROK (cb) |
2098 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2559 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2099 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2560 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2100 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2561 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2101 | |
2562 | |
2102 | { |
2563 | { |
2103 | CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ |
2564 | CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ |
… | |
… | |
2220 | static void |
2681 | static void |
2221 | slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2682 | slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2222 | { |
2683 | { |
2223 | frame->prepare = prepare_cede_notself; |
2684 | frame->prepare = prepare_cede_notself; |
2224 | frame->check = slf_check_nop; |
2685 | frame->check = slf_check_nop; |
|
|
2686 | } |
|
|
2687 | |
|
|
2688 | /* "undo"/cancel a running slf call - used when cancelling a coro, mainly */ |
|
|
2689 | static void |
|
|
2690 | slf_destroy (pTHX_ struct coro *coro) |
|
|
2691 | { |
|
|
2692 | struct CoroSLF frame = coro->slf_frame; |
|
|
2693 | |
|
|
2694 | /* |
|
|
2695 | * The on_destroy below most likely is from an SLF call. |
|
|
2696 | * Since by definition the SLF call will not finish when we destroy |
|
|
2697 | * the coro, we will have to force-finish it here, otherwise |
|
|
2698 | * cleanup functions cannot call SLF functions. |
|
|
2699 | */ |
|
|
2700 | coro->slf_frame.prepare = 0; |
|
|
2701 | |
|
|
2702 | /* this callback is reserved for slf functions needing to do cleanup */ |
|
|
2703 | if (frame.destroy && frame.prepare && !PL_dirty) |
|
|
2704 | frame.destroy (aTHX_ &frame); |
2225 | } |
2705 | } |
2226 | |
2706 | |
2227 | /* |
2707 | /* |
2228 | * these not obviously related functions are all rolled into one |
2708 | * these not obviously related functions are all rolled into one |
2229 | * function to increase chances that they all will call transfer with the same |
2709 | * function to increase chances that they all will call transfer with the same |
… | |
… | |
2236 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
2716 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
2237 | |
2717 | |
2238 | /* set up the slf frame, unless it has already been set-up */ |
2718 | /* set up the slf frame, unless it has already been set-up */ |
2239 | /* the latter happens when a new coro has been started */ |
2719 | /* the latter happens when a new coro has been started */ |
2240 | /* or when a new cctx was attached to an existing coroutine */ |
2720 | /* or when a new cctx was attached to an existing coroutine */ |
2241 | if (expect_true (!slf_frame.prepare)) |
2721 | if (ecb_expect_true (!slf_frame.prepare)) |
2242 | { |
2722 | { |
2243 | /* first iteration */ |
2723 | /* first iteration */ |
2244 | dSP; |
2724 | dSP; |
2245 | SV **arg = PL_stack_base + TOPMARK + 1; |
2725 | SV **arg = PL_stack_base + TOPMARK + 1; |
2246 | int items = SP - arg; /* args without function object */ |
2726 | int items = SP - arg; /* args without function object */ |
… | |
… | |
2287 | while (slf_frame.check (aTHX_ &slf_frame)); |
2767 | while (slf_frame.check (aTHX_ &slf_frame)); |
2288 | |
2768 | |
2289 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
2769 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
2290 | |
2770 | |
2291 | /* exception handling */ |
2771 | /* exception handling */ |
2292 | if (expect_false (CORO_THROW)) |
2772 | if (ecb_expect_false (CORO_THROW)) |
2293 | { |
2773 | { |
2294 | SV *exception = sv_2mortal (CORO_THROW); |
2774 | SV *exception = sv_2mortal (CORO_THROW); |
2295 | |
2775 | |
2296 | CORO_THROW = 0; |
2776 | CORO_THROW = 0; |
2297 | sv_setsv (ERRSV, exception); |
2777 | sv_setsv (ERRSV, exception); |
2298 | croak (0); |
2778 | croak (0); |
2299 | } |
2779 | } |
2300 | |
2780 | |
2301 | /* return value handling - mostly like entersub */ |
2781 | /* return value handling - mostly like entersub */ |
2302 | /* make sure we put something on the stack in scalar context */ |
2782 | /* make sure we put something on the stack in scalar context */ |
2303 | if (GIMME_V == G_SCALAR) |
2783 | if (GIMME_V == G_SCALAR |
|
|
2784 | && ecb_expect_false (PL_stack_sp != PL_stack_base + checkmark + 1)) |
2304 | { |
2785 | { |
2305 | dSP; |
2786 | dSP; |
2306 | SV **bot = PL_stack_base + checkmark; |
2787 | SV **bot = PL_stack_base + checkmark; |
2307 | |
2788 | |
2308 | if (sp == bot) /* too few, push undef */ |
2789 | if (sp == bot) /* too few, push undef */ |
2309 | bot [1] = &PL_sv_undef; |
2790 | bot [1] = &PL_sv_undef; |
2310 | else if (sp != bot + 1) /* too many, take last one */ |
2791 | else /* too many, take last one */ |
2311 | bot [1] = *sp; |
2792 | bot [1] = *sp; |
2312 | |
2793 | |
2313 | SP = bot + 1; |
2794 | SP = bot + 1; |
2314 | |
2795 | |
2315 | PUTBACK; |
2796 | PUTBACK; |
… | |
… | |
2348 | if (PL_op->op_flags & OPf_STACKED) |
2829 | if (PL_op->op_flags & OPf_STACKED) |
2349 | { |
2830 | { |
2350 | if (items > slf_arga) |
2831 | if (items > slf_arga) |
2351 | { |
2832 | { |
2352 | slf_arga = items; |
2833 | slf_arga = items; |
2353 | free (slf_argv); |
2834 | Safefree (slf_argv); |
2354 | slf_argv = malloc (slf_arga * sizeof (SV *)); |
2835 | New (0, slf_argv, slf_arga, SV *); |
2355 | } |
2836 | } |
2356 | |
2837 | |
2357 | slf_argc = items; |
2838 | slf_argc = items; |
2358 | |
2839 | |
2359 | for (i = 0; i < items; ++i) |
2840 | for (i = 0; i < items; ++i) |
… | |
… | |
2413 | { |
2894 | { |
2414 | SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_leave); |
2895 | SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_leave); |
2415 | on_enterleave_call (aTHX_ sv_2mortal (cb)); |
2896 | on_enterleave_call (aTHX_ sv_2mortal (cb)); |
2416 | } |
2897 | } |
2417 | |
2898 | |
|
|
2899 | static void |
|
|
2900 | enterleave_hook_xs (pTHX_ struct coro *coro, AV **avp, coro_enterleave_hook hook, void *arg) |
|
|
2901 | { |
|
|
2902 | if (!hook) |
|
|
2903 | return; |
|
|
2904 | |
|
|
2905 | if (!*avp) |
|
|
2906 | { |
|
|
2907 | *avp = newAV (); |
|
|
2908 | AvREAL_off (*avp); |
|
|
2909 | } |
|
|
2910 | |
|
|
2911 | av_push (*avp, (SV *)hook); |
|
|
2912 | av_push (*avp, (SV *)arg); |
|
|
2913 | } |
|
|
2914 | |
|
|
2915 | static void |
|
|
2916 | enterleave_unhook_xs (pTHX_ struct coro *coro, AV **avp, coro_enterleave_hook hook, int execute) |
|
|
2917 | { |
|
|
2918 | AV *av = *avp; |
|
|
2919 | int i; |
|
|
2920 | |
|
|
2921 | if (!av) |
|
|
2922 | return; |
|
|
2923 | |
|
|
2924 | for (i = AvFILLp (av) - 1; i >= 0; i -= 2) |
|
|
2925 | if (AvARRAY (av)[i] == (SV *)hook) |
|
|
2926 | { |
|
|
2927 | if (execute) |
|
|
2928 | hook (aTHX_ (void *)AvARRAY (av)[i + 1]); |
|
|
2929 | |
|
|
2930 | memmove (AvARRAY (av) + i, AvARRAY (av) + i + 2, AvFILLp (av) - i - 1); |
|
|
2931 | av_pop (av); |
|
|
2932 | av_pop (av); |
|
|
2933 | break; |
|
|
2934 | } |
|
|
2935 | |
|
|
2936 | if (AvFILLp (av) >= 0) |
|
|
2937 | { |
|
|
2938 | *avp = 0; |
|
|
2939 | SvREFCNT_dec_NN (av); |
|
|
2940 | } |
|
|
2941 | } |
|
|
2942 | |
|
|
2943 | static void |
|
|
2944 | api_enterleave_hook (pTHX_ SV *coro_sv, coro_enterleave_hook enter, void *enter_arg, coro_enterleave_hook leave, void *leave_arg) |
|
|
2945 | { |
|
|
2946 | struct coro *coro = SvSTATE (coro_sv); |
|
|
2947 | |
|
|
2948 | if (SvSTATE_current == coro) |
|
|
2949 | if (enter) |
|
|
2950 | enter (aTHX_ enter_arg); |
|
|
2951 | |
|
|
2952 | enterleave_hook_xs (aTHX_ coro, &coro->on_enter_xs, enter, enter_arg); |
|
|
2953 | enterleave_hook_xs (aTHX_ coro, &coro->on_leave_xs, leave, leave_arg); |
|
|
2954 | } |
|
|
2955 | |
|
|
2956 | static void |
|
|
2957 | api_enterleave_unhook (pTHX_ SV *coro_sv, coro_enterleave_hook enter, coro_enterleave_hook leave) |
|
|
2958 | { |
|
|
2959 | struct coro *coro = SvSTATE (coro_sv); |
|
|
2960 | |
|
|
2961 | enterleave_unhook_xs (aTHX_ coro, &coro->on_enter_xs, enter, 0); |
|
|
2962 | enterleave_unhook_xs (aTHX_ coro, &coro->on_leave_xs, leave, SvSTATE_current == coro); |
|
|
2963 | } |
|
|
2964 | |
|
|
2965 | static void |
|
|
2966 | savedestructor_unhook_enter (pTHX_ coro_enterleave_hook enter) |
|
|
2967 | { |
|
|
2968 | struct coro *coro = SvSTATE_current; |
|
|
2969 | |
|
|
2970 | enterleave_unhook_xs (aTHX_ coro, &coro->on_enter_xs, enter, 0); |
|
|
2971 | } |
|
|
2972 | |
|
|
2973 | static void |
|
|
2974 | savedestructor_unhook_leave (pTHX_ coro_enterleave_hook leave) |
|
|
2975 | { |
|
|
2976 | struct coro *coro = SvSTATE_current; |
|
|
2977 | |
|
|
2978 | enterleave_unhook_xs (aTHX_ coro, &coro->on_leave_xs, leave, 1); |
|
|
2979 | } |
|
|
2980 | |
|
|
2981 | static void |
|
|
2982 | api_enterleave_scope_hook (pTHX_ coro_enterleave_hook enter, void *enter_arg, coro_enterleave_hook leave, void *leave_arg) |
|
|
2983 | { |
|
|
2984 | api_enterleave_hook (aTHX_ coro_current, enter, enter_arg, leave, leave_arg); |
|
|
2985 | |
|
|
2986 | /* this ought to be much cheaper than malloc + a single destructor call */ |
|
|
2987 | if (enter) SAVEDESTRUCTOR_X (savedestructor_unhook_enter, enter); |
|
|
2988 | if (leave) SAVEDESTRUCTOR_X (savedestructor_unhook_leave, leave); |
|
|
2989 | } |
|
|
2990 | |
2418 | /*****************************************************************************/ |
2991 | /*****************************************************************************/ |
2419 | /* PerlIO::cede */ |
2992 | /* PerlIO::cede */ |
2420 | |
2993 | |
2421 | typedef struct |
2994 | typedef struct |
2422 | { |
2995 | { |
2423 | PerlIOBuf base; |
2996 | PerlIOBuf base; |
2424 | NV next, every; |
2997 | NV next, every; |
2425 | } PerlIOCede; |
2998 | } PerlIOCede; |
2426 | |
2999 | |
2427 | static IV |
3000 | static IV ecb_cold |
2428 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
3001 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
2429 | { |
3002 | { |
2430 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
3003 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2431 | |
3004 | |
2432 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
3005 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
2433 | self->next = nvtime () + self->every; |
3006 | self->next = nvtime () + self->every; |
2434 | |
3007 | |
2435 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
3008 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
2436 | } |
3009 | } |
2437 | |
3010 | |
2438 | static SV * |
3011 | static SV * ecb_cold |
2439 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
3012 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
2440 | { |
3013 | { |
2441 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
3014 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2442 | |
3015 | |
2443 | return newSVnv (self->every); |
3016 | return newSVnv (self->every); |
… | |
… | |
2550 | XPUSHs (sv_2mortal (newRV_inc ((SV *)av))); |
3123 | XPUSHs (sv_2mortal (newRV_inc ((SV *)av))); |
2551 | PUTBACK; |
3124 | PUTBACK; |
2552 | call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR); |
3125 | call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR); |
2553 | } |
3126 | } |
2554 | |
3127 | |
2555 | SvREFCNT_dec (cb); |
3128 | SvREFCNT_dec_NN (cb); |
2556 | } |
3129 | } |
2557 | } |
3130 | } |
2558 | |
3131 | |
2559 | static void |
3132 | static void |
2560 | coro_semaphore_on_destroy (pTHX_ struct coro *coro) |
3133 | coro_semaphore_destroy (pTHX_ struct CoroSLF *frame) |
2561 | { |
3134 | { |
2562 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
3135 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
2563 | coro_semaphore_adjust (aTHX_ (AV *)coro->slf_frame.data, 0); |
3136 | coro_semaphore_adjust (aTHX_ (AV *)frame->data, 0); |
2564 | } |
3137 | } |
2565 | |
3138 | |
2566 | static int |
3139 | static int |
2567 | slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire) |
3140 | slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire) |
2568 | { |
3141 | { |
2569 | AV *av = (AV *)frame->data; |
3142 | AV *av = (AV *)frame->data; |
2570 | SV *count_sv = AvARRAY (av)[0]; |
3143 | SV *count_sv = AvARRAY (av)[0]; |
|
|
3144 | SV *coro_hv = SvRV (coro_current); |
|
|
3145 | |
|
|
3146 | frame->destroy = 0; |
2571 | |
3147 | |
2572 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
3148 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2573 | if (CORO_THROW) |
3149 | if (ecb_expect_false (CORO_THROW)) |
|
|
3150 | { |
|
|
3151 | /* we still might be responsible for the semaphore, so wake up others */ |
|
|
3152 | coro_semaphore_adjust (aTHX_ av, 0); |
|
|
3153 | |
2574 | return 0; |
3154 | return 0; |
|
|
3155 | } |
2575 | else if (SvIVX (count_sv) > 0) |
3156 | else if (SvIVX (count_sv) > 0) |
2576 | { |
3157 | { |
2577 | SvSTATE_current->on_destroy = 0; |
|
|
2578 | |
|
|
2579 | if (acquire) |
3158 | if (acquire) |
2580 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
3159 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2581 | else |
3160 | else |
2582 | coro_semaphore_adjust (aTHX_ av, 0); |
3161 | coro_semaphore_adjust (aTHX_ av, 0); |
2583 | |
3162 | |
… | |
… | |
2587 | { |
3166 | { |
2588 | int i; |
3167 | int i; |
2589 | /* if we were woken up but can't down, we look through the whole */ |
3168 | /* if we were woken up but can't down, we look through the whole */ |
2590 | /* waiters list and only add us if we aren't in there already */ |
3169 | /* waiters list and only add us if we aren't in there already */ |
2591 | /* this avoids some degenerate memory usage cases */ |
3170 | /* this avoids some degenerate memory usage cases */ |
2592 | |
3171 | for (i = AvFILLp (av); i > 0; --i) /* i > 0 is not an off-by-one bug */ |
2593 | for (i = 1; i <= AvFILLp (av); ++i) |
|
|
2594 | if (AvARRAY (av)[i] == SvRV (coro_current)) |
3172 | if (AvARRAY (av)[i] == coro_hv) |
2595 | return 1; |
3173 | return 1; |
2596 | |
3174 | |
2597 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
3175 | av_push (av, SvREFCNT_inc (coro_hv)); |
2598 | return 1; |
3176 | return 1; |
2599 | } |
3177 | } |
2600 | } |
3178 | } |
2601 | |
3179 | |
2602 | static int |
3180 | static int |
… | |
… | |
2625 | { |
3203 | { |
2626 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
3204 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2627 | |
3205 | |
2628 | frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); |
3206 | frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); |
2629 | frame->prepare = prepare_schedule; |
3207 | frame->prepare = prepare_schedule; |
2630 | |
|
|
2631 | /* to avoid race conditions when a woken-up coro gets terminated */ |
3208 | /* to avoid race conditions when a woken-up coro gets terminated */ |
2632 | /* we arrange for a temporary on_destroy that calls adjust (0) */ |
3209 | /* we arrange for a temporary on_destroy that calls adjust (0) */ |
2633 | SvSTATE_current->on_destroy = coro_semaphore_on_destroy; |
3210 | frame->destroy = coro_semaphore_destroy; |
2634 | } |
3211 | } |
2635 | } |
3212 | } |
2636 | |
3213 | |
2637 | static void |
3214 | static void |
2638 | slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
3215 | slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
… | |
… | |
2696 | { |
3273 | { |
2697 | api_ready (aTHX_ cb); |
3274 | api_ready (aTHX_ cb); |
2698 | sv_setiv (cb, 0); /* signal waiter */ |
3275 | sv_setiv (cb, 0); /* signal waiter */ |
2699 | } |
3276 | } |
2700 | |
3277 | |
2701 | SvREFCNT_dec (cb); |
3278 | SvREFCNT_dec_NN (cb); |
2702 | |
3279 | |
2703 | --count; |
3280 | --count; |
2704 | } |
3281 | } |
2705 | } |
3282 | } |
2706 | |
3283 | |
… | |
… | |
2720 | { |
3297 | { |
2721 | SV *cb_cv = s_get_cv_croak (arg [1]); |
3298 | SV *cb_cv = s_get_cv_croak (arg [1]); |
2722 | av_push (av, SvREFCNT_inc_NN (cb_cv)); |
3299 | av_push (av, SvREFCNT_inc_NN (cb_cv)); |
2723 | |
3300 | |
2724 | if (SvIVX (AvARRAY (av)[0])) |
3301 | if (SvIVX (AvARRAY (av)[0])) |
2725 | coro_signal_wake (aTHX_ av, 1); /* ust be the only waiter */ |
3302 | coro_signal_wake (aTHX_ av, 1); /* must be the only waiter */ |
2726 | |
3303 | |
2727 | frame->prepare = prepare_nop; |
3304 | frame->prepare = prepare_nop; |
2728 | frame->check = slf_check_nop; |
3305 | frame->check = slf_check_nop; |
2729 | } |
3306 | } |
2730 | else if (SvIVX (AvARRAY (av)[0])) |
3307 | else if (SvIVX (AvARRAY (av)[0])) |
… | |
… | |
2791 | } |
3368 | } |
2792 | |
3369 | |
2793 | av_push (state, data_sv); |
3370 | av_push (state, data_sv); |
2794 | |
3371 | |
2795 | api_ready (aTHX_ coro); |
3372 | api_ready (aTHX_ coro); |
2796 | SvREFCNT_dec (coro); |
3373 | SvREFCNT_dec_NN (coro); |
2797 | SvREFCNT_dec ((AV *)state); |
3374 | SvREFCNT_dec_NN ((AV *)state); |
2798 | } |
3375 | } |
2799 | |
3376 | |
2800 | static int |
3377 | static int |
2801 | slf_check_aio_req (pTHX_ struct CoroSLF *frame) |
3378 | slf_check_aio_req (pTHX_ struct CoroSLF *frame) |
2802 | { |
3379 | { |
… | |
… | |
2807 | /* it quickly returns */ |
3384 | /* it quickly returns */ |
2808 | if (CORO_THROW) |
3385 | if (CORO_THROW) |
2809 | return 0; |
3386 | return 0; |
2810 | |
3387 | |
2811 | /* one element that is an RV? repeat! */ |
3388 | /* one element that is an RV? repeat! */ |
2812 | if (AvFILLp (state) == 0 && SvROK (AvARRAY (state)[0])) |
3389 | if (AvFILLp (state) == 0 && SvTYPE (AvARRAY (state)[0]) != SVt_PV) |
2813 | return 1; |
3390 | return 1; |
2814 | |
3391 | |
2815 | /* restore status */ |
3392 | /* restore status */ |
2816 | { |
3393 | { |
2817 | SV *data_sv = av_pop (state); |
3394 | SV *data_sv = av_pop (state); |
… | |
… | |
2820 | errno = data->errorno; |
3397 | errno = data->errorno; |
2821 | PL_laststype = data->laststype; |
3398 | PL_laststype = data->laststype; |
2822 | PL_laststatval = data->laststatval; |
3399 | PL_laststatval = data->laststatval; |
2823 | PL_statcache = data->statcache; |
3400 | PL_statcache = data->statcache; |
2824 | |
3401 | |
2825 | SvREFCNT_dec (data_sv); |
3402 | SvREFCNT_dec_NN (data_sv); |
2826 | } |
3403 | } |
2827 | |
3404 | |
2828 | /* push result values */ |
3405 | /* push result values */ |
2829 | { |
3406 | { |
2830 | dSP; |
3407 | dSP; |
… | |
… | |
2856 | dSP; |
3433 | dSP; |
2857 | |
3434 | |
2858 | static SV *prio_cv; |
3435 | static SV *prio_cv; |
2859 | static SV *prio_sv; |
3436 | static SV *prio_sv; |
2860 | |
3437 | |
2861 | if (expect_false (!prio_cv)) |
3438 | if (ecb_expect_false (!prio_cv)) |
2862 | { |
3439 | { |
2863 | prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0); |
3440 | prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0); |
2864 | prio_sv = newSViv (0); |
3441 | prio_sv = newSViv (0); |
2865 | } |
3442 | } |
2866 | |
3443 | |
… | |
… | |
2892 | /* now call the AIO function - we assume our request is uncancelable */ |
3469 | /* now call the AIO function - we assume our request is uncancelable */ |
2893 | PUTBACK; |
3470 | PUTBACK; |
2894 | call_sv ((SV *)req, G_VOID | G_DISCARD); |
3471 | call_sv ((SV *)req, G_VOID | G_DISCARD); |
2895 | } |
3472 | } |
2896 | |
3473 | |
2897 | /* now that the requets is going, we loop toll we have a result */ |
3474 | /* now that the request is going, we loop till we have a result */ |
2898 | frame->data = (void *)state; |
3475 | frame->data = (void *)state; |
2899 | frame->prepare = prepare_schedule; |
3476 | frame->prepare = prepare_schedule; |
2900 | frame->check = slf_check_aio_req; |
3477 | frame->check = slf_check_aio_req; |
2901 | } |
3478 | } |
2902 | |
3479 | |
… | |
… | |
2972 | } |
3549 | } |
2973 | |
3550 | |
2974 | return coro_sv; |
3551 | return coro_sv; |
2975 | } |
3552 | } |
2976 | |
3553 | |
|
|
3554 | #ifndef __cplusplus |
|
|
3555 | ecb_cold XS(boot_Coro__State); |
|
|
3556 | #endif |
|
|
3557 | |
|
|
3558 | #if CORO_JIT |
|
|
3559 | |
|
|
3560 | static void ecb_noinline ecb_cold |
|
|
3561 | pushav_4uv (pTHX_ UV a, UV b, UV c, UV d) |
|
|
3562 | { |
|
|
3563 | dSP; |
|
|
3564 | AV *av = newAV (); |
|
|
3565 | |
|
|
3566 | av_store (av, 3, newSVuv (d)); |
|
|
3567 | av_store (av, 2, newSVuv (c)); |
|
|
3568 | av_store (av, 1, newSVuv (b)); |
|
|
3569 | av_store (av, 0, newSVuv (a)); |
|
|
3570 | |
|
|
3571 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
3572 | |
|
|
3573 | PUTBACK; |
|
|
3574 | } |
|
|
3575 | |
|
|
3576 | static void ecb_noinline ecb_cold |
|
|
3577 | jit_init (pTHX) |
|
|
3578 | { |
|
|
3579 | dSP; |
|
|
3580 | SV *load, *save; |
|
|
3581 | char *map_base; |
|
|
3582 | char *load_ptr, *save_ptr; |
|
|
3583 | STRLEN load_len, save_len, map_len; |
|
|
3584 | int count; |
|
|
3585 | |
|
|
3586 | eval_pv ("require 'Coro/jit-" CORO_JIT_TYPE ".pl'", 1); |
|
|
3587 | |
|
|
3588 | PUSHMARK (SP); |
|
|
3589 | #define VARx(name,expr,type) pushav_4uv (aTHX_ (UV)&(expr), sizeof (expr), offsetof (perl_slots, name), sizeof (type)); |
|
|
3590 | #include "state.h" |
|
|
3591 | count = call_pv ("Coro::State::_jit", G_ARRAY); |
|
|
3592 | SPAGAIN; |
|
|
3593 | |
|
|
3594 | save = POPs; save_ptr = SvPVbyte (save, save_len); |
|
|
3595 | load = POPs; load_ptr = SvPVbyte (load, load_len); |
|
|
3596 | |
|
|
3597 | map_len = load_len + save_len + 16; |
|
|
3598 | |
|
|
3599 | map_base = mmap (0, map_len, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); |
|
|
3600 | |
|
|
3601 | if (map_base == (char *)MAP_FAILED) |
|
|
3602 | map_base = mmap (0, map_len, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); |
|
|
3603 | |
|
|
3604 | assert (("Coro: unable to mmap jit code page, cannot continue.", map_base != (char *)MAP_FAILED)); |
|
|
3605 | |
|
|
3606 | load_perl_slots = (load_save_perl_slots_type)map_base; |
|
|
3607 | memcpy (map_base, load_ptr, load_len); |
|
|
3608 | |
|
|
3609 | map_base += (load_len + 15) & ~15; |
|
|
3610 | |
|
|
3611 | save_perl_slots = (load_save_perl_slots_type)map_base; |
|
|
3612 | memcpy (map_base, save_ptr, save_len); |
|
|
3613 | |
|
|
3614 | /* we are good citizens and try to make the page read-only, so the evil evil */ |
|
|
3615 | /* hackers might have it a bit more difficult */ |
|
|
3616 | mprotect (map_base, map_len, PROT_READ | PROT_EXEC); |
|
|
3617 | |
|
|
3618 | PUTBACK; |
|
|
3619 | eval_pv ("undef &Coro::State::_jit", 1); |
|
|
3620 | } |
|
|
3621 | |
|
|
3622 | #endif |
|
|
3623 | |
2977 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
3624 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
2978 | |
3625 | |
2979 | PROTOTYPES: DISABLE |
3626 | PROTOTYPES: DISABLE |
2980 | |
3627 | |
2981 | BOOT: |
3628 | BOOT: |
2982 | { |
3629 | { |
|
|
3630 | #define VARx(name,expr,type) if (sizeof (type) < sizeof (expr)) croak ("FATAL: Coro thread context slot '" # name "' too small for this version of perl."); |
|
|
3631 | #include "state.h" |
2983 | #ifdef USE_ITHREADS |
3632 | #ifdef USE_ITHREADS |
2984 | # if CORO_PTHREAD |
3633 | # if CORO_PTHREAD |
2985 | coro_thx = PERL_GET_CONTEXT; |
3634 | coro_thx = PERL_GET_CONTEXT; |
2986 | # endif |
3635 | # endif |
2987 | #endif |
3636 | #endif |
2988 | BOOT_PAGESIZE; |
3637 | /* perl defines these to check for existance first, but why it doesn't */ |
|
|
3638 | /* just create them one at init time is not clear to me, except for */ |
|
|
3639 | /* programs trying to delete them, but... */ |
|
|
3640 | /* anyway, we declare this as invalid and make sure they are initialised here */ |
|
|
3641 | DEFSV; |
|
|
3642 | ERRSV; |
2989 | |
3643 | |
2990 | cctx_current = cctx_new_empty (); |
3644 | cctx_current = cctx_new_empty (); |
2991 | |
3645 | |
2992 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3646 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
2993 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3647 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
2994 | |
3648 | |
2995 | orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get; |
3649 | { |
2996 | orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set; |
3650 | /* |
2997 | orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr; |
3651 | * we provide a vtbvl for %SIG magic that replaces PL_vtbl_sig |
|
|
3652 | * by coro_sig_vtbl in hash values. |
|
|
3653 | */ |
|
|
3654 | MAGIC *mg = mg_find ((SV *)GvHV (gv_fetchpv ("SIG", GV_ADD | GV_NOTQUAL, SVt_PVHV)), PERL_MAGIC_sig); |
|
|
3655 | |
|
|
3656 | /* this only works if perl doesn't have a vtbl for %SIG */ |
|
|
3657 | assert (!mg->mg_virtual); |
|
|
3658 | |
|
|
3659 | /* |
|
|
3660 | * The irony is that the perl API itself asserts that mg_virtual |
|
|
3661 | * must be non-const, yet perl5porters insisted on marking their |
|
|
3662 | * vtbls as read-only, just to thwart perl modules from patching |
|
|
3663 | * them. |
|
|
3664 | */ |
|
|
3665 | mg->mg_virtual = (MGVTBL *)&coro_sig_vtbl; |
|
|
3666 | mg->mg_flags |= MGf_COPY; |
|
|
3667 | |
|
|
3668 | coro_sigelem_vtbl = PL_vtbl_sigelem; |
|
|
3669 | coro_sigelem_vtbl.svt_get = coro_sigelem_get; |
|
|
3670 | coro_sigelem_vtbl.svt_set = coro_sigelem_set; |
|
|
3671 | coro_sigelem_vtbl.svt_clear = coro_sigelem_clr; |
|
|
3672 | } |
2998 | |
3673 | |
2999 | hv_sig = coro_get_hv (aTHX_ "SIG", TRUE); |
|
|
3000 | rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV)); |
3674 | rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV)); |
3001 | rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV)); |
3675 | rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV)); |
3002 | |
3676 | |
3003 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
3677 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
3004 | |
3678 | |
… | |
… | |
3033 | coroapi.prepare_nop = prepare_nop; |
3707 | coroapi.prepare_nop = prepare_nop; |
3034 | coroapi.prepare_schedule = prepare_schedule; |
3708 | coroapi.prepare_schedule = prepare_schedule; |
3035 | coroapi.prepare_cede = prepare_cede; |
3709 | coroapi.prepare_cede = prepare_cede; |
3036 | coroapi.prepare_cede_notself = prepare_cede_notself; |
3710 | coroapi.prepare_cede_notself = prepare_cede_notself; |
3037 | |
3711 | |
3038 | { |
3712 | time_init (aTHX); |
3039 | SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
|
|
3040 | |
|
|
3041 | if (!svp) croak ("Time::HiRes is required"); |
|
|
3042 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer"); |
|
|
3043 | |
|
|
3044 | nvtime = INT2PTR (double (*)(), SvIV (*svp)); |
|
|
3045 | |
|
|
3046 | svp = hv_fetch (PL_modglobal, "Time::U2time", 12, 0); |
|
|
3047 | u2time = INT2PTR (void (*)(pTHX_ UV ret[2]), SvIV (*svp)); |
|
|
3048 | } |
|
|
3049 | |
3713 | |
3050 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
3714 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
|
|
3715 | #if CORO_JIT |
|
|
3716 | PUTBACK; |
|
|
3717 | jit_init (aTHX); |
|
|
3718 | SPAGAIN; |
|
|
3719 | #endif |
3051 | } |
3720 | } |
3052 | |
3721 | |
3053 | SV * |
3722 | SV * |
3054 | new (SV *klass, ...) |
3723 | new (SV *klass, ...) |
3055 | ALIAS: |
3724 | ALIAS: |
… | |
… | |
3062 | void |
3731 | void |
3063 | transfer (...) |
3732 | transfer (...) |
3064 | PROTOTYPE: $$ |
3733 | PROTOTYPE: $$ |
3065 | CODE: |
3734 | CODE: |
3066 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3735 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3067 | |
|
|
3068 | bool |
|
|
3069 | _destroy (SV *coro_sv) |
|
|
3070 | CODE: |
|
|
3071 | RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv)); |
|
|
3072 | OUTPUT: |
|
|
3073 | RETVAL |
|
|
3074 | |
|
|
3075 | void |
|
|
3076 | _exit (int code) |
|
|
3077 | PROTOTYPE: $ |
|
|
3078 | CODE: |
|
|
3079 | _exit (code); |
|
|
3080 | |
3736 | |
3081 | SV * |
3737 | SV * |
3082 | clone (Coro::State coro) |
3738 | clone (Coro::State coro) |
3083 | CODE: |
3739 | CODE: |
3084 | { |
3740 | { |
… | |
… | |
3139 | void |
3795 | void |
3140 | list () |
3796 | list () |
3141 | PROTOTYPE: |
3797 | PROTOTYPE: |
3142 | PPCODE: |
3798 | PPCODE: |
3143 | { |
3799 | { |
3144 | struct coro *coro; |
3800 | struct coro *coro; |
3145 | for (coro = coro_first; coro; coro = coro->next) |
3801 | for (coro = coro_first; coro; coro = coro->next) |
3146 | if (coro->hv) |
3802 | if (coro->hv) |
3147 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
3803 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
3148 | } |
3804 | } |
3149 | |
3805 | |
… | |
… | |
3154 | CODE: |
3810 | CODE: |
3155 | { |
3811 | { |
3156 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
3812 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
3157 | { |
3813 | { |
3158 | struct coro *current = SvSTATE_current; |
3814 | struct coro *current = SvSTATE_current; |
|
|
3815 | struct CoroSLF slf_save; |
3159 | |
3816 | |
3160 | if (current != coro) |
3817 | if (current != coro) |
3161 | { |
3818 | { |
3162 | PUTBACK; |
3819 | PUTBACK; |
3163 | save_perl (aTHX_ current); |
3820 | save_perl (aTHX_ current); |
3164 | load_perl (aTHX_ coro); |
3821 | load_perl (aTHX_ coro); |
|
|
3822 | /* the coro is most likely in an active SLF call. |
|
|
3823 | * while not strictly required (the code we execute is |
|
|
3824 | * not allowed to call any SLF functions), it's cleaner |
|
|
3825 | * to reinitialise the slf_frame and restore it later. |
|
|
3826 | * This might one day allow us to actually do SLF calls |
|
|
3827 | * from code executed here. |
|
|
3828 | */ |
|
|
3829 | slf_save = slf_frame; |
|
|
3830 | slf_frame.prepare = 0; |
3165 | SPAGAIN; |
3831 | SPAGAIN; |
3166 | } |
3832 | } |
3167 | |
3833 | |
3168 | PUSHSTACK; |
3834 | PUSHSTACK; |
3169 | |
3835 | |
… | |
… | |
3179 | SPAGAIN; |
3845 | SPAGAIN; |
3180 | |
3846 | |
3181 | if (current != coro) |
3847 | if (current != coro) |
3182 | { |
3848 | { |
3183 | PUTBACK; |
3849 | PUTBACK; |
|
|
3850 | slf_frame = slf_save; |
3184 | save_perl (aTHX_ coro); |
3851 | save_perl (aTHX_ coro); |
3185 | load_perl (aTHX_ current); |
3852 | load_perl (aTHX_ current); |
3186 | SPAGAIN; |
3853 | SPAGAIN; |
3187 | } |
3854 | } |
3188 | } |
3855 | } |
… | |
… | |
3193 | PROTOTYPE: $ |
3860 | PROTOTYPE: $ |
3194 | ALIAS: |
3861 | ALIAS: |
3195 | is_ready = CF_READY |
3862 | is_ready = CF_READY |
3196 | is_running = CF_RUNNING |
3863 | is_running = CF_RUNNING |
3197 | is_new = CF_NEW |
3864 | is_new = CF_NEW |
3198 | is_destroyed = CF_DESTROYED |
3865 | is_destroyed = CF_ZOMBIE |
|
|
3866 | is_zombie = CF_ZOMBIE |
3199 | is_suspended = CF_SUSPENDED |
3867 | is_suspended = CF_SUSPENDED |
3200 | CODE: |
3868 | CODE: |
3201 | RETVAL = boolSV (coro->flags & ix); |
3869 | RETVAL = boolSV (coro->flags & ix); |
3202 | OUTPUT: |
3870 | OUTPUT: |
3203 | RETVAL |
3871 | RETVAL |
3204 | |
3872 | |
3205 | void |
3873 | void |
3206 | throw (Coro::State self, SV *throw = &PL_sv_undef) |
3874 | throw (SV *self, SV *exception = &PL_sv_undef) |
3207 | PROTOTYPE: $;$ |
3875 | PROTOTYPE: $;$ |
3208 | CODE: |
3876 | CODE: |
3209 | { |
3877 | { |
|
|
3878 | struct coro *coro = SvSTATE (self); |
3210 | struct coro *current = SvSTATE_current; |
3879 | struct coro *current = SvSTATE_current; |
3211 | SV **throwp = self == current ? &CORO_THROW : &self->except; |
3880 | SV **exceptionp = coro == current ? &CORO_THROW : &coro->except; |
3212 | SvREFCNT_dec (*throwp); |
3881 | SvREFCNT_dec (*exceptionp); |
3213 | SvGETMAGIC (throw); |
3882 | SvGETMAGIC (exception); |
3214 | *throwp = SvOK (throw) ? newSVsv (throw) : 0; |
3883 | *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; |
|
|
3884 | |
|
|
3885 | api_ready (aTHX_ self); |
3215 | } |
3886 | } |
3216 | |
3887 | |
3217 | void |
3888 | void |
3218 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3889 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3219 | PROTOTYPE: $;$ |
3890 | PROTOTYPE: $;$ |
… | |
… | |
3274 | |
3945 | |
3275 | void |
3946 | void |
3276 | cancel (Coro::State self) |
3947 | cancel (Coro::State self) |
3277 | CODE: |
3948 | CODE: |
3278 | coro_state_destroy (aTHX_ self); |
3949 | coro_state_destroy (aTHX_ self); |
3279 | coro_call_on_destroy (aTHX_ self); /* actually only for Coro objects */ |
|
|
3280 | |
|
|
3281 | |
3950 | |
3282 | SV * |
3951 | SV * |
3283 | enable_times (int enabled = enable_times) |
3952 | enable_times (int enabled = enable_times) |
3284 | CODE: |
3953 | CODE: |
3285 | { |
3954 | { |
… | |
… | |
3298 | |
3967 | |
3299 | void |
3968 | void |
3300 | times (Coro::State self) |
3969 | times (Coro::State self) |
3301 | PPCODE: |
3970 | PPCODE: |
3302 | { |
3971 | { |
3303 | struct coro *current = SvSTATE (coro_current); |
3972 | struct coro *current = SvSTATE (coro_current); |
3304 | |
3973 | |
3305 | if (expect_false (current == self)) |
3974 | if (ecb_expect_false (current == self)) |
3306 | { |
3975 | { |
3307 | coro_times_update (); |
3976 | coro_times_update (); |
3308 | coro_times_add (SvSTATE (coro_current)); |
3977 | coro_times_add (SvSTATE (coro_current)); |
3309 | } |
3978 | } |
3310 | |
3979 | |
3311 | EXTEND (SP, 2); |
3980 | EXTEND (SP, 2); |
3312 | PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9))); |
3981 | PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9))); |
3313 | PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9))); |
3982 | PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9))); |
3314 | |
3983 | |
3315 | if (expect_false (current == self)) |
3984 | if (ecb_expect_false (current == self)) |
3316 | coro_times_sub (SvSTATE (coro_current)); |
3985 | coro_times_sub (SvSTATE (coro_current)); |
3317 | } |
3986 | } |
3318 | |
3987 | |
|
|
3988 | void |
|
|
3989 | swap_sv (Coro::State coro, SV *sva, SV *svb) |
|
|
3990 | CODE: |
|
|
3991 | { |
|
|
3992 | struct coro *current = SvSTATE_current; |
|
|
3993 | AV *swap_sv; |
|
|
3994 | int i; |
|
|
3995 | |
|
|
3996 | sva = SvRV (sva); |
|
|
3997 | svb = SvRV (svb); |
|
|
3998 | |
|
|
3999 | if (current == coro) |
|
|
4000 | SWAP_SVS_LEAVE (current); |
|
|
4001 | |
|
|
4002 | if (!coro->swap_sv) |
|
|
4003 | coro->swap_sv = newAV (); |
|
|
4004 | |
|
|
4005 | swap_sv = coro->swap_sv; |
|
|
4006 | |
|
|
4007 | for (i = AvFILLp (swap_sv) - 1; i >= 0; i -= 2) |
|
|
4008 | { |
|
|
4009 | SV *a = AvARRAY (swap_sv)[i ]; |
|
|
4010 | SV *b = AvARRAY (swap_sv)[i + 1]; |
|
|
4011 | |
|
|
4012 | if (a == sva && b == svb) |
|
|
4013 | { |
|
|
4014 | SvREFCNT_dec_NN (a); |
|
|
4015 | SvREFCNT_dec_NN (b); |
|
|
4016 | |
|
|
4017 | for (; i <= AvFILLp (swap_sv) - 2; i++) |
|
|
4018 | AvARRAY (swap_sv)[i] = AvARRAY (swap_sv)[i + 2]; |
|
|
4019 | |
|
|
4020 | AvFILLp (swap_sv) -= 2; |
|
|
4021 | |
|
|
4022 | goto removed; |
|
|
4023 | } |
|
|
4024 | } |
|
|
4025 | |
|
|
4026 | av_push (swap_sv, SvREFCNT_inc_NN (sva)); |
|
|
4027 | av_push (swap_sv, SvREFCNT_inc_NN (svb)); |
|
|
4028 | |
|
|
4029 | removed: |
|
|
4030 | |
|
|
4031 | if (current == coro) |
|
|
4032 | SWAP_SVS_ENTER (current); |
|
|
4033 | } |
|
|
4034 | |
|
|
4035 | |
3319 | MODULE = Coro::State PACKAGE = Coro |
4036 | MODULE = Coro::State PACKAGE = Coro |
3320 | |
4037 | |
3321 | BOOT: |
4038 | BOOT: |
3322 | { |
4039 | { |
|
|
4040 | if (SVt_LAST > 32) |
|
|
4041 | croak ("Coro internal error: SVt_LAST > 32, swap_sv might need adjustment"); |
|
|
4042 | |
3323 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
4043 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3324 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
4044 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3325 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
4045 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
3326 | cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD); |
|
|
3327 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
4046 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
3328 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
4047 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
3329 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
4048 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
3330 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
4049 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
3331 | sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); |
4050 | sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); |
3332 | |
4051 | |
3333 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
4052 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3334 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
4053 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
3335 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
4054 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
|
|
4055 | CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */ |
3336 | |
4056 | |
3337 | coro_stash = gv_stashpv ("Coro", TRUE); |
4057 | coro_stash = gv_stashpv ("Coro", TRUE); |
3338 | |
4058 | |
3339 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
4059 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
3340 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
4060 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
… | |
… | |
3353 | coroapi.ready = api_ready; |
4073 | coroapi.ready = api_ready; |
3354 | coroapi.is_ready = api_is_ready; |
4074 | coroapi.is_ready = api_is_ready; |
3355 | coroapi.nready = coro_nready; |
4075 | coroapi.nready = coro_nready; |
3356 | coroapi.current = coro_current; |
4076 | coroapi.current = coro_current; |
3357 | |
4077 | |
|
|
4078 | coroapi.enterleave_hook = api_enterleave_hook; |
|
|
4079 | coroapi.enterleave_unhook = api_enterleave_unhook; |
|
|
4080 | coroapi.enterleave_scope_hook = api_enterleave_scope_hook; |
|
|
4081 | |
3358 | /*GCoroAPI = &coroapi;*/ |
4082 | /*GCoroAPI = &coroapi;*/ |
3359 | sv_setiv (sv, (IV)&coroapi); |
4083 | sv_setiv (sv, PTR2IV (&coroapi)); |
3360 | SvREADONLY_on (sv); |
4084 | SvREADONLY_on (sv); |
3361 | } |
4085 | } |
3362 | } |
4086 | } |
3363 | |
4087 | |
3364 | SV * |
4088 | SV * |
3365 | async (...) |
4089 | async (...) |
3366 | PROTOTYPE: &@ |
4090 | PROTOTYPE: &@ |
3367 | CODE: |
4091 | CODE: |
3368 | RETVAL = coro_new (aTHX_ coro_stash, &ST (0), items, 1); |
4092 | RETVAL = coro_new (aTHX_ coro_stash, &ST (0), items, 1); |
3369 | api_ready (RETVAL); |
4093 | api_ready (aTHX_ RETVAL); |
3370 | OUTPUT: |
4094 | OUTPUT: |
3371 | RETVAL |
4095 | RETVAL |
|
|
4096 | |
|
|
4097 | void |
|
|
4098 | _destroy (Coro::State coro) |
|
|
4099 | CODE: |
|
|
4100 | /* used by the manager thread */ |
|
|
4101 | coro_state_destroy (aTHX_ coro); |
|
|
4102 | |
|
|
4103 | void |
|
|
4104 | on_destroy (Coro::State coro, SV *cb) |
|
|
4105 | CODE: |
|
|
4106 | coro_push_on_destroy (aTHX_ coro, newSVsv (cb)); |
|
|
4107 | |
|
|
4108 | void |
|
|
4109 | join (...) |
|
|
4110 | CODE: |
|
|
4111 | CORO_EXECUTE_SLF_XS (slf_init_join); |
3372 | |
4112 | |
3373 | void |
4113 | void |
3374 | terminate (...) |
4114 | terminate (...) |
3375 | CODE: |
4115 | CODE: |
3376 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
4116 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
3377 | |
4117 | |
3378 | void |
4118 | void |
|
|
4119 | cancel (...) |
|
|
4120 | CODE: |
|
|
4121 | CORO_EXECUTE_SLF_XS (slf_init_cancel); |
|
|
4122 | |
|
|
4123 | int |
|
|
4124 | safe_cancel (Coro::State self, ...) |
|
|
4125 | C_ARGS: aTHX_ self, &ST (1), items - 1 |
|
|
4126 | |
|
|
4127 | void |
3379 | schedule (...) |
4128 | schedule (...) |
3380 | CODE: |
4129 | CODE: |
3381 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
4130 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
3382 | |
4131 | |
3383 | void |
4132 | void |
… | |
… | |
3402 | |
4151 | |
3403 | void |
4152 | void |
3404 | _set_current (SV *current) |
4153 | _set_current (SV *current) |
3405 | PROTOTYPE: $ |
4154 | PROTOTYPE: $ |
3406 | CODE: |
4155 | CODE: |
3407 | SvREFCNT_dec (SvRV (coro_current)); |
4156 | SvREFCNT_dec_NN (SvRV (coro_current)); |
3408 | SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current))); |
4157 | SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current))); |
3409 | |
4158 | |
3410 | void |
4159 | void |
3411 | _set_readyhook (SV *hook) |
4160 | _set_readyhook (SV *hook) |
3412 | PROTOTYPE: $ |
4161 | PROTOTYPE: $ |
… | |
… | |
3496 | |
4245 | |
3497 | if ((SV *)hv == &PL_sv_undef) |
4246 | if ((SV *)hv == &PL_sv_undef) |
3498 | { |
4247 | { |
3499 | SV *sv = coro_new (aTHX_ coro_stash, (SV **)&cv_pool_handler, 1, 1); |
4248 | SV *sv = coro_new (aTHX_ coro_stash, (SV **)&cv_pool_handler, 1, 1); |
3500 | hv = (HV *)SvREFCNT_inc_NN (SvRV (sv)); |
4249 | hv = (HV *)SvREFCNT_inc_NN (SvRV (sv)); |
3501 | SvREFCNT_dec (sv); |
4250 | SvREFCNT_dec_NN (sv); |
3502 | } |
4251 | } |
3503 | |
4252 | |
3504 | { |
4253 | { |
3505 | struct coro *coro = SvSTATE_hv (hv); |
4254 | struct coro *coro = SvSTATE_hv (hv); |
3506 | |
4255 | |
… | |
… | |
3513 | api_ready (aTHX_ (SV *)hv); |
4262 | api_ready (aTHX_ (SV *)hv); |
3514 | |
4263 | |
3515 | if (GIMME_V != G_VOID) |
4264 | if (GIMME_V != G_VOID) |
3516 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv))); |
4265 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv))); |
3517 | else |
4266 | else |
3518 | SvREFCNT_dec (hv); |
4267 | SvREFCNT_dec_NN (hv); |
3519 | } |
4268 | } |
3520 | |
4269 | |
3521 | SV * |
4270 | SV * |
3522 | rouse_cb () |
4271 | rouse_cb () |
3523 | PROTOTYPE: |
4272 | PROTOTYPE: |
… | |
… | |
3538 | on_leave = 1 |
4287 | on_leave = 1 |
3539 | PROTOTYPE: & |
4288 | PROTOTYPE: & |
3540 | CODE: |
4289 | CODE: |
3541 | { |
4290 | { |
3542 | struct coro *coro = SvSTATE_current; |
4291 | struct coro *coro = SvSTATE_current; |
3543 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
4292 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
3544 | |
4293 | |
3545 | block = s_get_cv_croak (block); |
4294 | block = s_get_cv_croak (block); |
3546 | |
4295 | |
3547 | if (!*avp) |
4296 | if (!*avp) |
3548 | *avp = newAV (); |
4297 | *avp = newAV (); |
… | |
… | |
3568 | |
4317 | |
3569 | SV * |
4318 | SV * |
3570 | new (SV *klass, SV *count = 0) |
4319 | new (SV *klass, SV *count = 0) |
3571 | CODE: |
4320 | CODE: |
3572 | { |
4321 | { |
3573 | int semcnt = 1; |
4322 | int semcnt = 1; |
3574 | |
4323 | |
3575 | if (count) |
4324 | if (count) |
3576 | { |
4325 | { |
3577 | SvGETMAGIC (count); |
4326 | SvGETMAGIC (count); |
3578 | |
4327 | |
… | |
… | |
3602 | RETVAL = newSVsv (AvARRAY ((AV *)SvRV (self))[0]); |
4351 | RETVAL = newSVsv (AvARRAY ((AV *)SvRV (self))[0]); |
3603 | OUTPUT: |
4352 | OUTPUT: |
3604 | RETVAL |
4353 | RETVAL |
3605 | |
4354 | |
3606 | void |
4355 | void |
3607 | up (SV *self, int adjust = 1) |
4356 | up (SV *self) |
3608 | ALIAS: |
|
|
3609 | adjust = 1 |
|
|
3610 | CODE: |
4357 | CODE: |
|
|
4358 | coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), 1); |
|
|
4359 | |
|
|
4360 | void |
|
|
4361 | adjust (SV *self, int adjust) |
|
|
4362 | CODE: |
3611 | coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), ix ? adjust : 1); |
4363 | coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), adjust); |
3612 | |
4364 | |
3613 | void |
4365 | void |
3614 | down (...) |
4366 | down (...) |
3615 | CODE: |
4367 | CODE: |
3616 | CORO_EXECUTE_SLF_XS (slf_init_semaphore_down); |
4368 | CORO_EXECUTE_SLF_XS (slf_init_semaphore_down); |
… | |
… | |
3638 | XSRETURN_NO; |
4390 | XSRETURN_NO; |
3639 | } |
4391 | } |
3640 | |
4392 | |
3641 | void |
4393 | void |
3642 | waiters (SV *self) |
4394 | waiters (SV *self) |
3643 | PPCODE: |
4395 | PPCODE: |
3644 | { |
4396 | { |
3645 | AV *av = (AV *)SvRV (self); |
4397 | AV *av = (AV *)SvRV (self); |
3646 | int wcount = AvFILLp (av) + 1 - 1; |
4398 | int wcount = AvFILLp (av) + 1 - 1; |
3647 | |
4399 | |
3648 | if (GIMME_V == G_SCALAR) |
4400 | if (GIMME_V == G_SCALAR) |
… | |
… | |
3657 | } |
4409 | } |
3658 | |
4410 | |
3659 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
4411 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
3660 | |
4412 | |
3661 | void |
4413 | void |
3662 | _may_delete (SV *sem, int count, int extra_refs) |
4414 | _may_delete (SV *sem, int count, unsigned int extra_refs) |
3663 | PPCODE: |
4415 | PPCODE: |
3664 | { |
4416 | { |
3665 | AV *av = (AV *)SvRV (sem); |
4417 | AV *av = (AV *)SvRV (sem); |
3666 | |
4418 | |
3667 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
4419 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
3668 | && AvFILLp (av) == 0 /* no waiters, just count */ |
4420 | && AvFILLp (av) == 0 /* no waiters, just count */ |
3669 | && SvIV (AvARRAY (av)[0]) == count) |
4421 | && SvIV (AvARRAY (av)[0]) == count) |
3670 | XSRETURN_YES; |
4422 | XSRETURN_YES; |
… | |
… | |
3691 | |
4443 | |
3692 | void |
4444 | void |
3693 | broadcast (SV *self) |
4445 | broadcast (SV *self) |
3694 | CODE: |
4446 | CODE: |
3695 | { |
4447 | { |
3696 | AV *av = (AV *)SvRV (self); |
4448 | AV *av = (AV *)SvRV (self); |
3697 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
4449 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
3698 | } |
4450 | } |
3699 | |
4451 | |
3700 | void |
4452 | void |
3701 | send (SV *self) |
4453 | send (SV *self) |
… | |
… | |
3709 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
4461 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
3710 | } |
4462 | } |
3711 | |
4463 | |
3712 | IV |
4464 | IV |
3713 | awaited (SV *self) |
4465 | awaited (SV *self) |
3714 | CODE: |
4466 | CODE: |
3715 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
4467 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
3716 | OUTPUT: |
4468 | OUTPUT: |
3717 | RETVAL |
4469 | RETVAL |
3718 | |
4470 | |
3719 | |
4471 | |
… | |
… | |
3724 | |
4476 | |
3725 | void |
4477 | void |
3726 | _schedule (...) |
4478 | _schedule (...) |
3727 | CODE: |
4479 | CODE: |
3728 | { |
4480 | { |
3729 | static int incede; |
4481 | static int incede; |
3730 | |
4482 | |
3731 | api_cede_notself (aTHX); |
4483 | api_cede_notself (aTHX); |
3732 | |
4484 | |
3733 | ++incede; |
4485 | ++incede; |
3734 | while (coro_nready >= incede && api_cede (aTHX)) |
4486 | while (coro_nready >= incede && api_cede (aTHX)) |
… | |
… | |
3778 | { |
4530 | { |
3779 | PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; |
4531 | PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; |
3780 | coro_old_pp_sselect = 0; |
4532 | coro_old_pp_sselect = 0; |
3781 | } |
4533 | } |
3782 | |
4534 | |
|
|
4535 | MODULE = Coro::State PACKAGE = Coro::Util |
3783 | |
4536 | |
|
|
4537 | void |
|
|
4538 | _exit (int code) |
|
|
4539 | CODE: |
|
|
4540 | _exit (code); |
|
|
4541 | |
|
|
4542 | NV |
|
|
4543 | time () |
|
|
4544 | CODE: |
|
|
4545 | RETVAL = nvtime (aTHX); |
|
|
4546 | OUTPUT: |
|
|
4547 | RETVAL |
|
|
4548 | |
|
|
4549 | NV |
|
|
4550 | gettimeofday () |
|
|
4551 | PPCODE: |
|
|
4552 | { |
|
|
4553 | UV tv [2]; |
|
|
4554 | u2time (aTHX_ tv); |
|
|
4555 | EXTEND (SP, 2); |
|
|
4556 | PUSHs (sv_2mortal (newSVuv (tv [0]))); |
|
|
4557 | PUSHs (sv_2mortal (newSVuv (tv [1]))); |
|
|
4558 | } |
|
|
4559 | |