1 | /* this works around a bug in mingw32 providing a non-working setjmp */ |
1 | /* this works around a bug in mingw32 providing a non-working setjmp */ |
2 | #define USE_NO_MINGW_SETJMP_TWO_ARGS |
2 | #define USE_NO_MINGW_SETJMP_TWO_ARGS |
3 | |
3 | |
4 | #define NDEBUG 1 |
4 | #define NDEBUG 1 /* perl usually disables NDEBUG later */ |
5 | |
5 | |
6 | #include "libcoro/coro.c" |
6 | #include "libcoro/coro.c" |
7 | |
7 | |
8 | #define PERL_NO_GET_CONTEXT |
8 | #define PERL_NO_GET_CONTEXT |
9 | #define PERL_EXT |
9 | #define PERL_EXT |
… | |
… | |
13 | #include "XSUB.h" |
13 | #include "XSUB.h" |
14 | #include "perliol.h" |
14 | #include "perliol.h" |
15 | |
15 | |
16 | #include "schmorp.h" |
16 | #include "schmorp.h" |
17 | |
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> |
18 | #include <stdio.h> |
23 | #include <stdio.h> |
19 | #include <errno.h> |
24 | #include <errno.h> |
20 | #include <assert.h> |
25 | #include <assert.h> |
21 | |
26 | |
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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 | |
22 | #ifndef SVs_PADSTALE |
35 | #ifndef SVs_PADSTALE |
23 | # define SVs_PADSTALE 0 |
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 |
24 | #endif |
66 | #endif |
25 | |
67 | |
26 | #if defined(_WIN32) |
68 | #if defined(_WIN32) |
27 | # undef HAS_GETTIMEOFDAY |
69 | # undef HAS_GETTIMEOFDAY |
28 | # undef setjmp |
70 | # undef setjmp |
… | |
… | |
31 | # define setjmp _setjmp /* deep magic */ |
73 | # define setjmp _setjmp /* deep magic */ |
32 | #else |
74 | #else |
33 | # include <inttypes.h> /* most portable stdint.h */ |
75 | # include <inttypes.h> /* most portable stdint.h */ |
34 | #endif |
76 | #endif |
35 | |
77 | |
36 | #ifdef HAVE_MMAP |
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37 | # include <unistd.h> |
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38 | # include <sys/mman.h> |
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39 | # ifndef MAP_ANONYMOUS |
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40 | # ifdef MAP_ANON |
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41 | # define MAP_ANONYMOUS MAP_ANON |
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42 | # else |
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43 | # undef HAVE_MMAP |
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44 | # endif |
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45 | # endif |
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46 | # include <limits.h> |
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47 | # ifndef PAGESIZE |
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48 | # define PAGESIZE pagesize |
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49 | # define BOOT_PAGESIZE pagesize = sysconf (_SC_PAGESIZE) |
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50 | static long pagesize; |
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51 | # else |
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52 | # define BOOT_PAGESIZE (void)0 |
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53 | # endif |
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54 | #else |
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55 | # define PAGESIZE 0 |
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56 | # define BOOT_PAGESIZE (void)0 |
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57 | #endif |
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58 | |
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59 | #if CORO_USE_VALGRIND |
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60 | # include <valgrind/valgrind.h> |
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61 | #endif |
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62 | |
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63 | /* the maximum number of idle cctx that will be pooled */ |
78 | /* the maximum number of idle cctx that will be pooled */ |
64 | static int cctx_max_idle = 4; |
79 | static int cctx_max_idle = 4; |
65 | |
80 | |
66 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
81 | #if defined(DEBUGGING) && PERL_VERSION_ATLEAST(5,12,0) |
67 | # undef CORO_STACKGUARD |
82 | # define HAS_SCOPESTACK_NAME 1 |
68 | #endif |
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69 | |
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70 | #ifndef CORO_STACKGUARD |
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71 | # define CORO_STACKGUARD 0 |
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72 | #endif |
83 | #endif |
73 | |
84 | |
74 | /* prefer perl internal functions over our own? */ |
85 | /* prefer perl internal functions over our own? */ |
75 | #ifndef CORO_PREFER_PERL_FUNCTIONS |
86 | #ifndef CORO_PREFER_PERL_FUNCTIONS |
76 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
87 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
… | |
… | |
86 | # define STACKLEVEL ((void *)&stacklevel) |
97 | # define STACKLEVEL ((void *)&stacklevel) |
87 | #endif |
98 | #endif |
88 | |
99 | |
89 | #define IN_DESTRUCT PL_dirty |
100 | #define IN_DESTRUCT PL_dirty |
90 | |
101 | |
91 | #if __GNUC__ >= 3 |
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92 | # define attribute(x) __attribute__(x) |
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93 | # define expect(expr,value) __builtin_expect ((expr), (value)) |
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94 | # define INLINE static inline |
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95 | #else |
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96 | # define attribute(x) |
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97 | # define expect(expr,value) (expr) |
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98 | # define INLINE static |
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99 | #endif |
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100 | |
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101 | #define expect_false(expr) expect ((expr) != 0, 0) |
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102 | #define expect_true(expr) expect ((expr) != 0, 1) |
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103 | |
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104 | #define NOINLINE attribute ((noinline)) |
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105 | |
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106 | #include "CoroAPI.h" |
102 | #include "CoroAPI.h" |
107 | #define GCoroAPI (&coroapi) /* very sneaky */ |
103 | #define GCoroAPI (&coroapi) /* very sneaky */ |
108 | |
104 | |
109 | #ifdef USE_ITHREADS |
105 | #ifdef USE_ITHREADS |
110 | # if CORO_PTHREAD |
106 | # if CORO_PTHREAD |
… | |
… | |
120 | # define CORO_CLOCK_MONOTONIC 1 |
116 | # define CORO_CLOCK_MONOTONIC 1 |
121 | # define CORO_CLOCK_THREAD_CPUTIME_ID 3 |
117 | # define CORO_CLOCK_THREAD_CPUTIME_ID 3 |
122 | # endif |
118 | # endif |
123 | #endif |
119 | #endif |
124 | |
120 | |
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121 | #if PERL_VERSION_ATLEAST(5,24,0) |
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122 | # define SUB_ARGARRAY PL_curpad[0] |
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123 | #else |
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124 | # define SUB_ARGARRAY (SV *)cx->blk_sub.argarray |
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125 | #endif |
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126 | |
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127 | /* perl usually suppresses asserts. for debugging, we sometimes force it to be on */ |
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128 | #if 0 |
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129 | # undef NDEBUG |
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130 | # include <assert.h> |
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131 | #endif |
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132 | |
125 | static double (*nvtime)(); /* so why doesn't it take void? */ |
133 | static double (*nvtime)(); /* so why doesn't it take void? */ |
126 | static void (*u2time)(pTHX_ UV ret[2]); |
134 | static void (*u2time)(pTHX_ UV ret[2]); |
127 | |
135 | |
128 | /* we hijack an hopefully unused CV flag for our purposes */ |
136 | /* we hijack an hopefully unused CV flag for our purposes */ |
129 | #define CVf_SLF 0x4000 |
137 | #define CVf_SLF 0x4000 |
130 | static OP *pp_slf (pTHX); |
138 | static OP *pp_slf (pTHX); |
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139 | static void slf_destroy (pTHX_ struct coro *coro); |
131 | |
140 | |
132 | static U32 cctx_gen; |
141 | static U32 cctx_gen; |
133 | static size_t cctx_stacksize = CORO_STACKSIZE; |
142 | static size_t cctx_stacksize = CORO_STACKSIZE; |
134 | static struct CoroAPI coroapi; |
143 | static struct CoroAPI coroapi; |
135 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
144 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
… | |
… | |
143 | |
152 | |
144 | static GV *irsgv; /* $/ */ |
153 | static GV *irsgv; /* $/ */ |
145 | static GV *stdoutgv; /* *STDOUT */ |
154 | static GV *stdoutgv; /* *STDOUT */ |
146 | static SV *rv_diehook; |
155 | static SV *rv_diehook; |
147 | static SV *rv_warnhook; |
156 | static SV *rv_warnhook; |
148 | static HV *hv_sig; /* %SIG */ |
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149 | |
157 | |
150 | /* async_pool helper stuff */ |
158 | /* async_pool helper stuff */ |
151 | static SV *sv_pool_rss; |
159 | static SV *sv_pool_rss; |
152 | static SV *sv_pool_size; |
160 | static SV *sv_pool_size; |
153 | static SV *sv_async_pool_idle; /* description string */ |
161 | static SV *sv_async_pool_idle; /* description string */ |
… | |
… | |
165 | static char times_valid; |
173 | static char times_valid; |
166 | |
174 | |
167 | static struct coro_cctx *cctx_first; |
175 | static struct coro_cctx *cctx_first; |
168 | static int cctx_count, cctx_idle; |
176 | static int cctx_count, cctx_idle; |
169 | |
177 | |
170 | enum { |
178 | enum |
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179 | { |
171 | CC_MAPPED = 0x01, |
180 | CC_MAPPED = 0x01, |
172 | CC_NOREUSE = 0x02, /* throw this away after tracing */ |
181 | CC_NOREUSE = 0x02, /* throw this away after tracing */ |
173 | CC_TRACE = 0x04, |
182 | CC_TRACE = 0x04, |
174 | CC_TRACE_SUB = 0x08, /* trace sub calls */ |
183 | CC_TRACE_SUB = 0x08, /* trace sub calls */ |
175 | CC_TRACE_LINE = 0x10, /* trace each statement */ |
184 | CC_TRACE_LINE = 0x10, /* trace each statement */ |
… | |
… | |
180 | typedef struct coro_cctx |
189 | typedef struct coro_cctx |
181 | { |
190 | { |
182 | struct coro_cctx *next; |
191 | struct coro_cctx *next; |
183 | |
192 | |
184 | /* the stack */ |
193 | /* the stack */ |
185 | void *sptr; |
194 | struct coro_stack stack; |
186 | size_t ssize; |
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187 | |
195 | |
188 | /* cpu state */ |
196 | /* cpu state */ |
189 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
197 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
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198 | #ifndef NDEBUG |
190 | JMPENV *idle_te; /* same as idle_sp, but for top_env, TODO: remove once stable */ |
199 | JMPENV *idle_te; /* same as idle_sp, but for top_env */ |
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200 | #endif |
191 | JMPENV *top_env; |
201 | JMPENV *top_env; |
192 | coro_context cctx; |
202 | coro_context cctx; |
193 | |
203 | |
194 | U32 gen; |
204 | U32 gen; |
195 | #if CORO_USE_VALGRIND |
205 | #if CORO_USE_VALGRIND |
196 | int valgrind_id; |
206 | int valgrind_id; |
197 | #endif |
207 | #endif |
198 | unsigned char flags; |
208 | unsigned char flags; |
199 | } coro_cctx; |
209 | } coro_cctx; |
200 | |
210 | |
201 | coro_cctx *cctx_current; /* the currently running cctx */ |
211 | static coro_cctx *cctx_current; /* the currently running cctx */ |
202 | |
212 | |
203 | /*****************************************************************************/ |
213 | /*****************************************************************************/ |
204 | |
214 | |
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215 | static MGVTBL coro_state_vtbl; |
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216 | |
205 | enum { |
217 | enum |
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218 | { |
206 | CF_RUNNING = 0x0001, /* coroutine is running */ |
219 | CF_RUNNING = 0x0001, /* coroutine is running */ |
207 | CF_READY = 0x0002, /* coroutine is ready */ |
220 | CF_READY = 0x0002, /* coroutine is ready */ |
208 | CF_NEW = 0x0004, /* has never been switched to */ |
221 | CF_NEW = 0x0004, /* has never been switched to */ |
209 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
222 | CF_ZOMBIE = 0x0008, /* coroutine data has been freed */ |
210 | CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */ |
223 | CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */ |
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224 | CF_NOCANCEL = 0x0020, /* cannot cancel, set slf_frame.data to 1 (hackish) */ |
211 | }; |
225 | }; |
212 | |
226 | |
213 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
227 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
214 | typedef struct |
228 | typedef struct |
215 | { |
229 | { |
216 | SV *defsv; |
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217 | AV *defav; |
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218 | SV *errsv; |
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219 | SV *irsgv; |
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220 | HV *hinthv; |
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221 | #define VAR(name,type) type name; |
230 | #define VARx(name,expr,type) type name; |
222 | # include "state.h" |
231 | #include "state.h" |
223 | #undef VAR |
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224 | } perl_slots; |
232 | } perl_slots; |
225 | |
233 | |
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234 | /* how many context stack entries do we need for perl_slots */ |
226 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
235 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
227 | |
236 | |
228 | /* this is a structure representing a perl-level coroutine */ |
237 | /* this is a structure representing a perl-level coroutine */ |
229 | struct coro { |
238 | struct coro |
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239 | { |
230 | /* the C coroutine allocated to this perl coroutine, if any */ |
240 | /* the C coroutine allocated to this perl coroutine, if any */ |
231 | coro_cctx *cctx; |
241 | coro_cctx *cctx; |
232 | |
242 | |
233 | /* ready queue */ |
243 | /* ready queue */ |
234 | struct coro *next_ready; |
244 | struct coro *next_ready; |
… | |
… | |
236 | /* state data */ |
246 | /* state data */ |
237 | struct CoroSLF slf_frame; /* saved slf frame */ |
247 | struct CoroSLF slf_frame; /* saved slf frame */ |
238 | AV *mainstack; |
248 | AV *mainstack; |
239 | perl_slots *slot; /* basically the saved sp */ |
249 | perl_slots *slot; /* basically the saved sp */ |
240 | |
250 | |
241 | CV *startcv; /* the CV to execute */ |
251 | CV *startcv; /* the CV to execute */ |
242 | AV *args; /* data associated with this coroutine (initial args) */ |
252 | AV *args; /* data associated with this coroutine (initial args) */ |
243 | int refcnt; /* coroutines are refcounted, yes */ |
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|
244 | int flags; /* CF_ flags */ |
253 | int flags; /* CF_ flags */ |
245 | HV *hv; /* the perl hash associated with this coro, if any */ |
254 | HV *hv; /* the perl hash associated with this coro, if any */ |
246 | void (*on_destroy)(pTHX_ struct coro *coro); /* for temporary use by xs in critical sections */ |
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247 | |
255 | |
248 | /* statistics */ |
256 | /* statistics */ |
249 | int usecount; /* number of transfers to this coro */ |
257 | int usecount; /* number of transfers to this coro */ |
250 | |
258 | |
251 | /* coro process data */ |
259 | /* coro process data */ |
252 | int prio; |
260 | int prio; |
253 | SV *except; /* exception to be thrown */ |
261 | SV *except; /* exception to be thrown */ |
254 | SV *rouse_cb; |
262 | SV *rouse_cb; /* last rouse callback */ |
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263 | AV *on_destroy; /* callbacks or coros to notify on destroy */ |
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264 | AV *status; /* the exit status list */ |
255 | |
265 | |
256 | /* async_pool */ |
266 | /* async_pool */ |
257 | SV *saved_deffh; |
267 | SV *saved_deffh; |
258 | SV *invoke_cb; |
268 | SV *invoke_cb; |
259 | AV *invoke_av; |
269 | AV *invoke_av; |
260 | |
270 | |
261 | /* on_enter/on_leave */ |
271 | /* on_enter/on_leave */ |
262 | AV *on_enter; |
272 | AV *on_enter; AV *on_enter_xs; |
263 | AV *on_leave; |
273 | AV *on_leave; AV *on_leave_xs; |
264 | |
274 | |
265 | /* swap_sv */ |
275 | /* swap_sv */ |
266 | AV *swap_sv; |
276 | AV *swap_sv; |
267 | |
277 | |
268 | /* times */ |
278 | /* times */ |
… | |
… | |
275 | typedef struct coro *Coro__State; |
285 | typedef struct coro *Coro__State; |
276 | typedef struct coro *Coro__State_or_hashref; |
286 | typedef struct coro *Coro__State_or_hashref; |
277 | |
287 | |
278 | /* the following variables are effectively part of the perl context */ |
288 | /* the following variables are effectively part of the perl context */ |
279 | /* and get copied between struct coro and these variables */ |
289 | /* and get copied between struct coro and these variables */ |
280 | /* the mainr easonw e don't support windows process emulation */ |
290 | /* the main reason we don't support windows process emulation */ |
281 | static struct CoroSLF slf_frame; /* the current slf frame */ |
291 | static struct CoroSLF slf_frame; /* the current slf frame */ |
282 | |
292 | |
283 | /** Coro ********************************************************************/ |
293 | /** Coro ********************************************************************/ |
284 | |
294 | |
285 | #define CORO_PRIO_MAX 3 |
295 | #define CORO_PRIO_MAX 3 |
… | |
… | |
291 | |
301 | |
292 | /* for Coro.pm */ |
302 | /* for Coro.pm */ |
293 | static SV *coro_current; |
303 | static SV *coro_current; |
294 | static SV *coro_readyhook; |
304 | static SV *coro_readyhook; |
295 | static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ |
305 | static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ |
296 | static CV *cv_coro_run, *cv_coro_terminate; |
306 | static CV *cv_coro_run; |
297 | static struct coro *coro_first; |
307 | static struct coro *coro_first; |
298 | #define coro_nready coroapi.nready |
308 | #define coro_nready coroapi.nready |
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309 | |
|
|
310 | /** JIT *********************************************************************/ |
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311 | |
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312 | #if CORO_JIT |
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313 | /* APPLE doesn't have mmap though */ |
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314 | #define CORO_JIT_UNIXY (__linux || __FreeBSD__ || __OpenBSD__ || __NetBSD__ || __solaris || __APPLE__) |
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315 | #ifndef CORO_JIT_TYPE |
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316 | #if ECB_AMD64 && CORO_JIT_UNIXY |
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317 | #define CORO_JIT_TYPE "amd64-unix" |
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318 | #elif __i386 && CORO_JIT_UNIXY |
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319 | #define CORO_JIT_TYPE "x86-unix" |
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320 | #endif |
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321 | #endif |
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322 | #endif |
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323 | |
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324 | #if !defined(CORO_JIT_TYPE) || _POSIX_MEMORY_PROTECTION <= 0 |
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325 | #undef CORO_JIT |
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326 | #endif |
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327 | |
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328 | #if CORO_JIT |
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329 | typedef void (*load_save_perl_slots_type)(perl_slots *); |
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330 | static load_save_perl_slots_type load_perl_slots, save_perl_slots; |
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331 | #endif |
299 | |
332 | |
300 | /** Coro::Select ************************************************************/ |
333 | /** Coro::Select ************************************************************/ |
301 | |
334 | |
302 | static OP *(*coro_old_pp_sselect) (pTHX); |
335 | static OP *(*coro_old_pp_sselect) (pTHX); |
303 | static SV *coro_select_select; |
336 | static SV *coro_select_select; |
… | |
… | |
319 | |
352 | |
320 | /** time stuff **************************************************************/ |
353 | /** time stuff **************************************************************/ |
321 | |
354 | |
322 | #ifdef HAS_GETTIMEOFDAY |
355 | #ifdef HAS_GETTIMEOFDAY |
323 | |
356 | |
324 | static void |
357 | ecb_inline void |
325 | coro_u2time (pTHX_ UV ret[2]) |
358 | coro_u2time (pTHX_ UV ret[2]) |
326 | { |
359 | { |
327 | struct timeval tv; |
360 | struct timeval tv; |
328 | gettimeofday (&tv, 0); |
361 | gettimeofday (&tv, 0); |
329 | |
362 | |
330 | ret [0] = tv.tv_sec; |
363 | ret [0] = tv.tv_sec; |
331 | ret [1] = tv.tv_usec; |
364 | ret [1] = tv.tv_usec; |
332 | } |
365 | } |
333 | |
366 | |
334 | static double |
367 | ecb_inline double |
335 | coro_nvtime () |
368 | coro_nvtime (void) |
336 | { |
369 | { |
337 | struct timeval tv; |
370 | struct timeval tv; |
338 | gettimeofday (&tv, 0); |
371 | gettimeofday (&tv, 0); |
339 | |
372 | |
340 | return tv.tv_sec + tv.tv_usec * 1e-6; |
373 | return tv.tv_sec + tv.tv_usec * 1e-6; |
341 | } |
374 | } |
342 | |
375 | |
343 | static void |
376 | ecb_inline void |
344 | time_init (pTHX) |
377 | time_init (pTHX) |
345 | { |
378 | { |
346 | nvtime = coro_nvtime; |
379 | nvtime = coro_nvtime; |
347 | u2time = coro_u2time; |
380 | u2time = coro_u2time; |
348 | } |
381 | } |
349 | |
382 | |
350 | #else |
383 | #else |
351 | |
384 | |
352 | static void |
385 | ecb_inline void |
353 | time_init (pTHX) |
386 | time_init (pTHX) |
354 | { |
387 | { |
355 | SV **svp; |
388 | SV **svp; |
356 | |
389 | |
357 | require_pv ("Time/HiRes.pm"); |
390 | require_pv ("Time/HiRes.pm"); |
358 | |
391 | |
359 | svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
392 | svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
360 | |
393 | |
361 | if (!svp) croak ("Time::HiRes is required, but missing. Caught"); |
394 | if (!svp) croak ("Time::HiRes is required, but missing. Caught"); |
362 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer. Caught"); |
395 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer. Caught"); |
363 | |
396 | |
… | |
… | |
369 | |
402 | |
370 | #endif |
403 | #endif |
371 | |
404 | |
372 | /** lowlevel stuff **********************************************************/ |
405 | /** lowlevel stuff **********************************************************/ |
373 | |
406 | |
374 | static SV * |
407 | static SV * ecb_noinline |
375 | coro_get_sv (pTHX_ const char *name, int create) |
408 | coro_get_sv (pTHX_ const char *name, int create) |
376 | { |
409 | { |
377 | #if PERL_VERSION_ATLEAST (5,10,0) |
410 | #if PERL_VERSION_ATLEAST (5,10,0) |
378 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
411 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
379 | get_sv (name, create); |
412 | get_sv (name, create); |
380 | #endif |
413 | #endif |
381 | return get_sv (name, create); |
414 | return get_sv (name, create); |
382 | } |
415 | } |
383 | |
416 | |
384 | static AV * |
417 | static AV * ecb_noinline |
385 | coro_get_av (pTHX_ const char *name, int create) |
418 | coro_get_av (pTHX_ const char *name, int create) |
386 | { |
419 | { |
387 | #if PERL_VERSION_ATLEAST (5,10,0) |
420 | #if PERL_VERSION_ATLEAST (5,10,0) |
388 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
421 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
389 | get_av (name, create); |
422 | get_av (name, create); |
390 | #endif |
423 | #endif |
391 | return get_av (name, create); |
424 | return get_av (name, create); |
392 | } |
425 | } |
393 | |
426 | |
394 | static HV * |
427 | static HV * ecb_noinline |
395 | coro_get_hv (pTHX_ const char *name, int create) |
428 | coro_get_hv (pTHX_ const char *name, int create) |
396 | { |
429 | { |
397 | #if PERL_VERSION_ATLEAST (5,10,0) |
430 | #if PERL_VERSION_ATLEAST (5,10,0) |
398 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
431 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
399 | get_hv (name, create); |
432 | get_hv (name, create); |
400 | #endif |
433 | #endif |
401 | return get_hv (name, create); |
434 | return get_hv (name, create); |
402 | } |
435 | } |
403 | |
436 | |
404 | INLINE void |
437 | ecb_inline void |
405 | coro_times_update () |
438 | coro_times_update (void) |
406 | { |
439 | { |
407 | #ifdef coro_clock_gettime |
440 | #ifdef coro_clock_gettime |
408 | struct timespec ts; |
441 | struct timespec ts; |
409 | |
442 | |
410 | ts.tv_sec = ts.tv_nsec = 0; |
443 | ts.tv_sec = ts.tv_nsec = 0; |
… | |
… | |
422 | time_real [0] = tv [0]; |
455 | time_real [0] = tv [0]; |
423 | time_real [1] = tv [1] * 1000; |
456 | time_real [1] = tv [1] * 1000; |
424 | #endif |
457 | #endif |
425 | } |
458 | } |
426 | |
459 | |
427 | INLINE void |
460 | ecb_inline void |
428 | coro_times_add (struct coro *c) |
461 | coro_times_add (struct coro *c) |
429 | { |
462 | { |
430 | c->t_real [1] += time_real [1]; |
463 | c->t_real [1] += time_real [1]; |
431 | if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } |
464 | if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } |
432 | c->t_real [0] += time_real [0]; |
465 | c->t_real [0] += time_real [0]; |
… | |
… | |
434 | c->t_cpu [1] += time_cpu [1]; |
467 | c->t_cpu [1] += time_cpu [1]; |
435 | if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } |
468 | if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } |
436 | c->t_cpu [0] += time_cpu [0]; |
469 | c->t_cpu [0] += time_cpu [0]; |
437 | } |
470 | } |
438 | |
471 | |
439 | INLINE void |
472 | ecb_inline void |
440 | coro_times_sub (struct coro *c) |
473 | coro_times_sub (struct coro *c) |
441 | { |
474 | { |
442 | if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } |
475 | if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } |
443 | c->t_real [1] -= time_real [1]; |
476 | c->t_real [1] -= time_real [1]; |
444 | c->t_real [0] -= time_real [0]; |
477 | c->t_real [0] -= time_real [0]; |
… | |
… | |
452 | /* magic glue */ |
485 | /* magic glue */ |
453 | |
486 | |
454 | #define CORO_MAGIC_type_cv 26 |
487 | #define CORO_MAGIC_type_cv 26 |
455 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
488 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
456 | |
489 | |
457 | #define CORO_MAGIC_NN(sv, type) \ |
490 | #define CORO_MAGIC_NN(sv, type) \ |
458 | (expect_true (SvMAGIC (sv)->mg_type == type) \ |
491 | (ecb_expect_true (SvMAGIC (sv)->mg_type == type) \ |
459 | ? SvMAGIC (sv) \ |
492 | ? SvMAGIC (sv) \ |
460 | : mg_find (sv, type)) |
493 | : mg_find (sv, type)) |
461 | |
494 | |
462 | #define CORO_MAGIC(sv, type) \ |
495 | #define CORO_MAGIC(sv, type) \ |
463 | (expect_true (SvMAGIC (sv)) \ |
496 | (ecb_expect_true (SvMAGIC (sv)) \ |
464 | ? CORO_MAGIC_NN (sv, type) \ |
497 | ? CORO_MAGIC_NN (sv, type) \ |
465 | : 0) |
498 | : 0) |
466 | |
499 | |
467 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
500 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
468 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
501 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
469 | |
502 | |
470 | INLINE struct coro * |
503 | ecb_inline MAGIC * |
471 | SvSTATE_ (pTHX_ SV *coro) |
504 | SvSTATEhv_p (pTHX_ SV *coro) |
472 | { |
505 | { |
473 | HV *stash; |
|
|
474 | MAGIC *mg; |
506 | MAGIC *mg; |
475 | |
507 | |
|
|
508 | if (ecb_expect_true ( |
|
|
509 | SvTYPE (coro) == SVt_PVHV |
|
|
510 | && (mg = CORO_MAGIC_state (coro)) |
|
|
511 | && mg->mg_virtual == &coro_state_vtbl |
|
|
512 | )) |
|
|
513 | return mg; |
|
|
514 | |
|
|
515 | return 0; |
|
|
516 | } |
|
|
517 | |
|
|
518 | ecb_inline struct coro * |
|
|
519 | SvSTATE_ (pTHX_ SV *coro_sv) |
|
|
520 | { |
|
|
521 | MAGIC *mg; |
|
|
522 | |
476 | if (SvROK (coro)) |
523 | if (SvROK (coro_sv)) |
477 | coro = SvRV (coro); |
524 | coro_sv = SvRV (coro_sv); |
478 | |
525 | |
479 | if (expect_false (SvTYPE (coro) != SVt_PVHV)) |
526 | mg = SvSTATEhv_p (aTHX_ coro_sv); |
|
|
527 | if (!mg) |
480 | croak ("Coro::State object required"); |
528 | croak ("Coro::State object required"); |
481 | |
529 | |
482 | stash = SvSTASH (coro); |
|
|
483 | if (expect_false (stash != coro_stash && stash != coro_state_stash)) |
|
|
484 | { |
|
|
485 | /* very slow, but rare, check */ |
|
|
486 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
|
|
487 | croak ("Coro::State object required"); |
|
|
488 | } |
|
|
489 | |
|
|
490 | mg = CORO_MAGIC_state (coro); |
|
|
491 | return (struct coro *)mg->mg_ptr; |
530 | return (struct coro *)mg->mg_ptr; |
492 | } |
531 | } |
493 | |
532 | |
494 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
533 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
495 | |
534 | |
… | |
… | |
498 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
537 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
499 | |
538 | |
500 | /*****************************************************************************/ |
539 | /*****************************************************************************/ |
501 | /* padlist management and caching */ |
540 | /* padlist management and caching */ |
502 | |
541 | |
503 | static AV * |
542 | ecb_inline PADLIST * |
504 | coro_derive_padlist (pTHX_ CV *cv) |
543 | coro_derive_padlist (pTHX_ CV *cv) |
505 | { |
544 | { |
506 | AV *padlist = CvPADLIST (cv); |
545 | PADLIST *padlist = CvPADLIST (cv); |
507 | AV *newpadlist, *newpad; |
546 | PADLIST *newpadlist; |
|
|
547 | PADNAMELIST *padnames; |
|
|
548 | PAD *newpad; |
|
|
549 | PADOFFSET off = PadlistMAX (padlist) + 1; |
508 | |
550 | |
509 | newpadlist = newAV (); |
551 | #if NEWPADAPI |
|
|
552 | |
|
|
553 | /* if we had the original CvDEPTH, we might be able to steal the CvDEPTH+1 entry instead */ |
|
|
554 | /* 20131102194744.GA6705@schmorp.de, 20131102195825.2013.qmail@lists-nntp.develooper.com */ |
|
|
555 | while (!PadlistARRAY (padlist)[off - 1]) |
|
|
556 | --off; |
|
|
557 | |
|
|
558 | Perl_pad_push (aTHX_ padlist, off); |
|
|
559 | |
|
|
560 | newpad = PadlistARRAY (padlist)[off]; |
|
|
561 | PadlistARRAY (padlist)[off] = 0; |
|
|
562 | |
|
|
563 | #else |
|
|
564 | |
|
|
565 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
566 | Perl_pad_push (aTHX_ padlist, off); |
|
|
567 | #else |
|
|
568 | Perl_pad_push (aTHX_ padlist, off, 1); |
|
|
569 | #endif |
|
|
570 | |
|
|
571 | newpad = PadlistARRAY (padlist)[off]; |
|
|
572 | PadlistMAX (padlist) = off - 1; |
|
|
573 | |
|
|
574 | #endif |
|
|
575 | |
|
|
576 | newPADLIST (newpadlist); |
|
|
577 | #if !PERL_VERSION_ATLEAST(5,15,3) |
|
|
578 | /* Padlists are AvREAL as of 5.15.3. See perl bug #98092 and perl commit 7d953ba. */ |
510 | AvREAL_off (newpadlist); |
579 | AvREAL_off (newpadlist); |
511 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
512 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1); |
|
|
513 | #else |
|
|
514 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
|
|
515 | #endif |
580 | #endif |
516 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
|
|
517 | --AvFILLp (padlist); |
|
|
518 | |
581 | |
519 | av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0])); |
582 | /* Already extended to 2 elements by newPADLIST. */ |
520 | av_store (newpadlist, 1, (SV *)newpad); |
583 | PadlistMAX (newpadlist) = 1; |
|
|
584 | |
|
|
585 | padnames = PadlistNAMES (padlist); |
|
|
586 | ++PadnamelistREFCNT (padnames); |
|
|
587 | PadlistNAMES (newpadlist) = padnames; |
|
|
588 | |
|
|
589 | PadlistARRAY (newpadlist)[1] = newpad; |
521 | |
590 | |
522 | return newpadlist; |
591 | return newpadlist; |
523 | } |
592 | } |
524 | |
593 | |
525 | static void |
594 | ecb_inline void |
526 | free_padlist (pTHX_ AV *padlist) |
595 | free_padlist (pTHX_ PADLIST *padlist) |
527 | { |
596 | { |
528 | /* may be during global destruction */ |
597 | /* may be during global destruction */ |
529 | if (!IN_DESTRUCT) |
598 | if (!IN_DESTRUCT) |
530 | { |
599 | { |
531 | I32 i = AvFILLp (padlist); |
600 | I32 i = PadlistMAX (padlist); |
532 | |
601 | |
533 | while (i > 0) /* special-case index 0 */ |
602 | while (i > 0) /* special-case index 0 */ |
534 | { |
603 | { |
535 | /* we try to be extra-careful here */ |
604 | /* we try to be extra-careful here */ |
536 | AV *av = (AV *)AvARRAY (padlist)[i--]; |
605 | PAD *pad = PadlistARRAY (padlist)[i--]; |
537 | I32 j = AvFILLp (av); |
|
|
538 | |
606 | |
|
|
607 | if (pad) |
|
|
608 | { |
|
|
609 | I32 j = PadMAX (pad); |
|
|
610 | |
539 | while (j >= 0) |
611 | while (j >= 0) |
540 | SvREFCNT_dec (AvARRAY (av)[j--]); |
612 | SvREFCNT_dec (PadARRAY (pad)[j--]); |
541 | |
613 | |
542 | AvFILLp (av) = -1; |
614 | PadMAX (pad) = -1; |
543 | SvREFCNT_dec (av); |
615 | SvREFCNT_dec (pad); |
|
|
616 | } |
544 | } |
617 | } |
545 | |
618 | |
546 | SvREFCNT_dec (AvARRAY (padlist)[0]); |
619 | PadnamelistREFCNT_dec (PadlistNAMES (padlist)); |
547 | |
620 | |
|
|
621 | #if NEWPADAPI |
|
|
622 | Safefree (PadlistARRAY (padlist)); |
|
|
623 | Safefree (padlist); |
|
|
624 | #else |
548 | AvFILLp (padlist) = -1; |
625 | AvFILLp (padlist) = -1; |
|
|
626 | AvREAL_off (padlist); |
549 | SvREFCNT_dec ((SV*)padlist); |
627 | SvREFCNT_dec ((SV*)padlist); |
|
|
628 | #endif |
550 | } |
629 | } |
551 | } |
630 | } |
552 | |
631 | |
553 | static int |
632 | static int |
554 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
633 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
555 | { |
634 | { |
556 | AV *padlist; |
635 | PADLIST *padlist; |
557 | AV *av = (AV *)mg->mg_obj; |
636 | PADLIST **padlists = (PADLIST **)(mg->mg_ptr + sizeof(size_t)); |
|
|
637 | size_t len = *(size_t *)mg->mg_ptr; |
558 | |
638 | |
559 | /* perl manages to free our internal AV and _then_ call us */ |
639 | /* perl manages to free our internal AV and _then_ call us */ |
560 | if (IN_DESTRUCT) |
640 | if (IN_DESTRUCT) |
561 | return 0; |
641 | return 0; |
562 | |
642 | |
563 | /* casting is fun. */ |
643 | while (len--) |
564 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
|
|
565 | free_padlist (aTHX_ padlist); |
644 | free_padlist (aTHX_ padlists[len]); |
566 | |
|
|
567 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
|
|
568 | |
645 | |
569 | return 0; |
646 | return 0; |
570 | } |
647 | } |
571 | |
648 | |
572 | static MGVTBL coro_cv_vtbl = { |
649 | static MGVTBL coro_cv_vtbl = { |
573 | 0, 0, 0, 0, |
650 | 0, 0, 0, 0, |
574 | coro_cv_free |
651 | coro_cv_free |
575 | }; |
652 | }; |
576 | |
653 | |
577 | /* the next two functions merely cache the padlists */ |
654 | /* the next two functions merely cache the padlists */ |
578 | static void |
655 | ecb_inline void |
579 | get_padlist (pTHX_ CV *cv) |
656 | get_padlist (pTHX_ CV *cv) |
580 | { |
657 | { |
581 | MAGIC *mg = CORO_MAGIC_cv (cv); |
658 | MAGIC *mg = CORO_MAGIC_cv (cv); |
582 | AV *av; |
659 | size_t *lenp; |
583 | |
660 | |
584 | if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
661 | if (ecb_expect_true (mg && *(lenp = (size_t *)mg->mg_ptr))) |
585 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
662 | CvPADLIST (cv) = ((PADLIST **)(mg->mg_ptr + sizeof(size_t)))[--*lenp]; |
586 | else |
663 | else |
587 | { |
664 | { |
588 | #if CORO_PREFER_PERL_FUNCTIONS |
665 | #if CORO_PREFER_PERL_FUNCTIONS |
589 | /* this is probably cleaner? but also slower! */ |
666 | /* this is probably cleaner? but also slower! */ |
590 | /* in practise, it seems to be less stable */ |
667 | /* in practise, it seems to be less stable */ |
… | |
… | |
596 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
673 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
597 | #endif |
674 | #endif |
598 | } |
675 | } |
599 | } |
676 | } |
600 | |
677 | |
601 | static void |
678 | ecb_inline void |
602 | put_padlist (pTHX_ CV *cv) |
679 | put_padlist (pTHX_ CV *cv) |
603 | { |
680 | { |
604 | MAGIC *mg = CORO_MAGIC_cv (cv); |
681 | MAGIC *mg = CORO_MAGIC_cv (cv); |
605 | AV *av; |
|
|
606 | |
682 | |
607 | if (expect_false (!mg)) |
683 | if (ecb_expect_false (!mg)) |
|
|
684 | { |
608 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
685 | mg = sv_magicext ((SV *)cv, 0, CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
|
|
686 | Newz (0, mg->mg_ptr ,sizeof (size_t) + sizeof (PADLIST *), char); |
|
|
687 | mg->mg_len = 1; /* so mg_free frees mg_ptr */ |
|
|
688 | } |
|
|
689 | else |
|
|
690 | Renew (mg->mg_ptr, |
|
|
691 | sizeof(size_t) + (*(size_t *)mg->mg_ptr + 1) * sizeof(PADLIST *), |
|
|
692 | char); |
609 | |
693 | |
610 | av = (AV *)mg->mg_obj; |
694 | ((PADLIST **)(mg->mg_ptr + sizeof (size_t))) [(*(size_t *)mg->mg_ptr)++] = CvPADLIST (cv); |
611 | |
|
|
612 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
|
|
613 | av_extend (av, AvFILLp (av) + 1); |
|
|
614 | |
|
|
615 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
|
|
616 | } |
695 | } |
617 | |
696 | |
618 | /** load & save, init *******************************************************/ |
697 | /** load & save, init *******************************************************/ |
619 | |
698 | |
|
|
699 | ecb_inline void |
|
|
700 | swap_sv (SV *a, SV *b) |
|
|
701 | { |
|
|
702 | const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */ |
|
|
703 | SV tmp; |
|
|
704 | |
|
|
705 | /* swap sv_any */ |
|
|
706 | SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp); |
|
|
707 | |
|
|
708 | /* swap sv_flags */ |
|
|
709 | SvFLAGS (&tmp) = SvFLAGS (a); |
|
|
710 | SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep); |
|
|
711 | SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep); |
|
|
712 | |
|
|
713 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
714 | /* perl 5.10 and later complicates this _quite_ a bit, but it also |
|
|
715 | * is much faster, so no quarrels here. alternatively, we could |
|
|
716 | * sv_upgrade to avoid this. |
|
|
717 | */ |
|
|
718 | { |
|
|
719 | /* swap sv_u */ |
|
|
720 | tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u; |
|
|
721 | |
|
|
722 | /* if SvANY points to the head, we need to adjust the pointers, |
|
|
723 | * as the pointer for a still points to b, and maybe vice versa. |
|
|
724 | */ |
|
|
725 | U32 svany_in_head_set = (1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV); |
|
|
726 | #if NVSIZE <= IVSIZE && PERL_VERSION_ATLEAST(5,22,0) |
|
|
727 | svany_in_head_set |= 1 << SVt_NV; |
|
|
728 | #endif |
|
|
729 | |
|
|
730 | #define svany_in_head(type) (svany_in_head_set & (1 << (type))) |
|
|
731 | |
|
|
732 | if (svany_in_head (SvTYPE (a))) |
|
|
733 | SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a); |
|
|
734 | |
|
|
735 | if (svany_in_head (SvTYPE (b))) |
|
|
736 | SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b); |
|
|
737 | } |
|
|
738 | #endif |
|
|
739 | } |
|
|
740 | |
620 | /* swap sv heads, at least logically */ |
741 | /* swap sv heads, at least logically */ |
621 | static void |
742 | static void |
622 | swap_svs (pTHX_ Coro__State c) |
743 | swap_svs_enter (pTHX_ Coro__State c) |
623 | { |
744 | { |
624 | int i; |
745 | int i; |
625 | |
746 | |
626 | for (i = 0; i <= AvFILLp (c->swap_sv); ) |
747 | for (i = 0; i <= AvFILLp (c->swap_sv); i += 2) |
627 | { |
748 | swap_sv (AvARRAY (c->swap_sv)[i], AvARRAY (c->swap_sv)[i + 1]); |
628 | SV *a = AvARRAY (c->swap_sv)[i++]; |
|
|
629 | SV *b = AvARRAY (c->swap_sv)[i++]; |
|
|
630 | |
|
|
631 | const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */ |
|
|
632 | SV tmp; |
|
|
633 | |
|
|
634 | /* swap sv_any */ |
|
|
635 | SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp); |
|
|
636 | |
|
|
637 | /* swap sv_flags */ |
|
|
638 | SvFLAGS (&tmp) = SvFLAGS (a); |
|
|
639 | SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep); |
|
|
640 | SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep); |
|
|
641 | |
|
|
642 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
643 | /* perl 5.10 complicates this _quite_ a bit, but it also is |
|
|
644 | * much faster, so no quarrels here. alternatively, we could |
|
|
645 | * sv_upgrade to avoid this. |
|
|
646 | */ |
|
|
647 | { |
|
|
648 | /* swap sv_u */ |
|
|
649 | tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u; |
|
|
650 | |
|
|
651 | /* if SvANY points to the head, we need to adjust the pointers, |
|
|
652 | * as the pointer for a still points to b, and maybe vice versa. |
|
|
653 | */ |
|
|
654 | #define svany_in_head(type) \ |
|
|
655 | (((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type))) |
|
|
656 | |
|
|
657 | if (svany_in_head (SvTYPE (a))) |
|
|
658 | SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a); |
|
|
659 | |
|
|
660 | if (svany_in_head (SvTYPE (b))) |
|
|
661 | SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b); |
|
|
662 | } |
|
|
663 | #endif |
|
|
664 | } |
|
|
665 | } |
749 | } |
666 | |
750 | |
|
|
751 | static void |
|
|
752 | swap_svs_leave (pTHX_ Coro__State c) |
|
|
753 | { |
|
|
754 | int i; |
|
|
755 | |
|
|
756 | for (i = AvFILLp (c->swap_sv) - 1; i >= 0; i -= 2) |
|
|
757 | swap_sv (AvARRAY (c->swap_sv)[i], AvARRAY (c->swap_sv)[i + 1]); |
|
|
758 | } |
|
|
759 | |
667 | #define SWAP_SVS(coro) \ |
760 | #define SWAP_SVS_ENTER(coro) \ |
668 | if (expect_false ((coro)->swap_sv)) \ |
761 | if (ecb_expect_false ((coro)->swap_sv)) \ |
669 | swap_svs (aTHX_ (coro)) |
762 | swap_svs_enter (aTHX_ (coro)) |
|
|
763 | |
|
|
764 | #define SWAP_SVS_LEAVE(coro) \ |
|
|
765 | if (ecb_expect_false ((coro)->swap_sv)) \ |
|
|
766 | swap_svs_leave (aTHX_ (coro)) |
670 | |
767 | |
671 | static void |
768 | static void |
672 | on_enterleave_call (pTHX_ SV *cb); |
769 | on_enterleave_call (pTHX_ SV *cb); |
673 | |
770 | |
674 | static void |
771 | static void |
… | |
… | |
677 | perl_slots *slot = c->slot; |
774 | perl_slots *slot = c->slot; |
678 | c->slot = 0; |
775 | c->slot = 0; |
679 | |
776 | |
680 | PL_mainstack = c->mainstack; |
777 | PL_mainstack = c->mainstack; |
681 | |
778 | |
682 | GvSV (PL_defgv) = slot->defsv; |
779 | #if CORO_JIT |
683 | GvAV (PL_defgv) = slot->defav; |
780 | load_perl_slots (slot); |
684 | GvSV (PL_errgv) = slot->errsv; |
781 | #else |
685 | GvSV (irsgv) = slot->irsgv; |
|
|
686 | GvHV (PL_hintgv) = slot->hinthv; |
|
|
687 | |
|
|
688 | #define VAR(name,type) PL_ ## name = slot->name; |
782 | #define VARx(name,expr,type) expr = slot->name; |
689 | # include "state.h" |
783 | #include "state.h" |
690 | #undef VAR |
784 | #endif |
691 | |
785 | |
692 | { |
786 | { |
693 | dSP; |
787 | dSP; |
694 | |
788 | |
695 | CV *cv; |
789 | CV *cv; |
696 | |
790 | |
697 | /* now do the ugly restore mess */ |
791 | /* now do the ugly restore mess */ |
698 | while (expect_true (cv = (CV *)POPs)) |
792 | while (ecb_expect_true (cv = (CV *)POPs)) |
699 | { |
793 | { |
700 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
794 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
701 | CvDEPTH (cv) = PTR2IV (POPs); |
795 | CvDEPTH (cv) = PTR2IV (POPs); |
702 | CvPADLIST (cv) = (AV *)POPs; |
796 | CvPADLIST (cv) = (PADLIST *)POPs; |
703 | } |
797 | } |
704 | |
798 | |
705 | PUTBACK; |
799 | PUTBACK; |
706 | } |
800 | } |
707 | |
801 | |
708 | slf_frame = c->slf_frame; |
802 | slf_frame = c->slf_frame; |
709 | CORO_THROW = c->except; |
803 | CORO_THROW = c->except; |
710 | |
804 | |
711 | if (expect_false (enable_times)) |
805 | if (ecb_expect_false (enable_times)) |
712 | { |
806 | { |
713 | if (expect_false (!times_valid)) |
807 | if (ecb_expect_false (!times_valid)) |
714 | coro_times_update (); |
808 | coro_times_update (); |
715 | |
809 | |
716 | coro_times_sub (c); |
810 | coro_times_sub (c); |
717 | } |
811 | } |
718 | |
812 | |
719 | if (expect_false (c->on_enter)) |
813 | if (ecb_expect_false (c->on_enter)) |
720 | { |
814 | { |
721 | int i; |
815 | int i; |
722 | |
816 | |
723 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
817 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
724 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
818 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
725 | } |
819 | } |
726 | |
820 | |
|
|
821 | if (ecb_expect_false (c->on_enter_xs)) |
|
|
822 | { |
|
|
823 | int i; |
|
|
824 | |
|
|
825 | for (i = 0; i <= AvFILLp (c->on_enter_xs); i += 2) |
|
|
826 | ((coro_enterleave_hook)AvARRAY (c->on_enter_xs)[i]) (aTHX_ AvARRAY (c->on_enter_xs)[i + 1]); |
|
|
827 | } |
|
|
828 | |
727 | SWAP_SVS (c); |
829 | SWAP_SVS_ENTER (c); |
728 | } |
830 | } |
729 | |
831 | |
730 | static void |
832 | static void |
731 | save_perl (pTHX_ Coro__State c) |
833 | save_perl (pTHX_ Coro__State c) |
732 | { |
834 | { |
733 | SWAP_SVS (c); |
835 | SWAP_SVS_LEAVE (c); |
734 | |
836 | |
|
|
837 | if (ecb_expect_false (c->on_leave_xs)) |
|
|
838 | { |
|
|
839 | int i; |
|
|
840 | |
|
|
841 | for (i = AvFILLp (c->on_leave_xs) - 1; i >= 0; i -= 2) |
|
|
842 | ((coro_enterleave_hook)AvARRAY (c->on_leave_xs)[i]) (aTHX_ AvARRAY (c->on_leave_xs)[i + 1]); |
|
|
843 | } |
|
|
844 | |
735 | if (expect_false (c->on_leave)) |
845 | if (ecb_expect_false (c->on_leave)) |
736 | { |
846 | { |
737 | int i; |
847 | int i; |
738 | |
848 | |
739 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
849 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
740 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
850 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
741 | } |
851 | } |
742 | |
852 | |
743 | times_valid = 0; |
853 | times_valid = 0; |
744 | |
854 | |
745 | if (expect_false (enable_times)) |
855 | if (ecb_expect_false (enable_times)) |
746 | { |
856 | { |
747 | coro_times_update (); times_valid = 1; |
857 | coro_times_update (); times_valid = 1; |
748 | coro_times_add (c); |
858 | coro_times_add (c); |
749 | } |
859 | } |
750 | |
860 | |
… | |
… | |
764 | |
874 | |
765 | XPUSHs (Nullsv); |
875 | XPUSHs (Nullsv); |
766 | /* this loop was inspired by pp_caller */ |
876 | /* this loop was inspired by pp_caller */ |
767 | for (;;) |
877 | for (;;) |
768 | { |
878 | { |
769 | while (expect_true (cxix >= 0)) |
879 | while (ecb_expect_true (cxix >= 0)) |
770 | { |
880 | { |
771 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
881 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
772 | |
882 | |
773 | if (expect_true (CxTYPE (cx) == CXt_SUB) || expect_false (CxTYPE (cx) == CXt_FORMAT)) |
883 | if (ecb_expect_true (CxTYPE (cx) == CXt_SUB) || ecb_expect_false (CxTYPE (cx) == CXt_FORMAT)) |
774 | { |
884 | { |
775 | CV *cv = cx->blk_sub.cv; |
885 | CV *cv = cx->blk_sub.cv; |
776 | |
886 | |
777 | if (expect_true (CvDEPTH (cv))) |
887 | if (ecb_expect_true (CvDEPTH (cv))) |
778 | { |
888 | { |
779 | EXTEND (SP, 3); |
889 | EXTEND (SP, 3); |
780 | PUSHs ((SV *)CvPADLIST (cv)); |
890 | PUSHs ((SV *)CvPADLIST (cv)); |
781 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
891 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
782 | PUSHs ((SV *)cv); |
892 | PUSHs ((SV *)cv); |
… | |
… | |
785 | get_padlist (aTHX_ cv); |
895 | get_padlist (aTHX_ cv); |
786 | } |
896 | } |
787 | } |
897 | } |
788 | } |
898 | } |
789 | |
899 | |
790 | if (expect_true (top_si->si_type == PERLSI_MAIN)) |
900 | if (ecb_expect_true (top_si->si_type == PERLSI_MAIN)) |
791 | break; |
901 | break; |
792 | |
902 | |
793 | top_si = top_si->si_prev; |
903 | top_si = top_si->si_prev; |
794 | ccstk = top_si->si_cxstack; |
904 | ccstk = top_si->si_cxstack; |
795 | cxix = top_si->si_cxix; |
905 | cxix = top_si->si_cxix; |
… | |
… | |
797 | |
907 | |
798 | PUTBACK; |
908 | PUTBACK; |
799 | } |
909 | } |
800 | |
910 | |
801 | /* allocate some space on the context stack for our purposes */ |
911 | /* allocate some space on the context stack for our purposes */ |
802 | /* we manually unroll here, as usually 2 slots is enough */ |
912 | if (ecb_expect_false (cxstack_ix + (int)SLOT_COUNT >= cxstack_max)) |
803 | if (SLOT_COUNT >= 1) CXINC; |
|
|
804 | if (SLOT_COUNT >= 2) CXINC; |
|
|
805 | if (SLOT_COUNT >= 3) CXINC; |
|
|
806 | { |
913 | { |
807 | unsigned int i; |
914 | unsigned int i; |
|
|
915 | |
808 | for (i = 3; i < SLOT_COUNT; ++i) |
916 | for (i = 0; i < SLOT_COUNT; ++i) |
809 | CXINC; |
917 | CXINC; |
810 | } |
918 | |
811 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
919 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
|
|
920 | } |
812 | |
921 | |
813 | c->mainstack = PL_mainstack; |
922 | c->mainstack = PL_mainstack; |
814 | |
923 | |
815 | { |
924 | { |
816 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
925 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
817 | |
926 | |
818 | slot->defav = GvAV (PL_defgv); |
927 | #if CORO_JIT |
819 | slot->defsv = DEFSV; |
928 | save_perl_slots (slot); |
820 | slot->errsv = ERRSV; |
929 | #else |
821 | slot->irsgv = GvSV (irsgv); |
|
|
822 | slot->hinthv = GvHV (PL_hintgv); |
|
|
823 | |
|
|
824 | #define VAR(name,type) slot->name = PL_ ## name; |
930 | #define VARx(name,expr,type) slot->name = expr; |
825 | # include "state.h" |
931 | #include "state.h" |
826 | #undef VAR |
932 | #endif |
827 | } |
933 | } |
828 | } |
934 | } |
829 | |
935 | |
830 | /* |
936 | /* |
831 | * allocate various perl stacks. This is almost an exact copy |
937 | * allocate various perl stacks. This is almost an exact copy |
… | |
… | |
837 | # define coro_init_stacks(thx) init_stacks () |
943 | # define coro_init_stacks(thx) init_stacks () |
838 | #else |
944 | #else |
839 | static void |
945 | static void |
840 | coro_init_stacks (pTHX) |
946 | coro_init_stacks (pTHX) |
841 | { |
947 | { |
842 | PL_curstackinfo = new_stackinfo(32, 8); |
948 | PL_curstackinfo = new_stackinfo(32, 4 + SLOT_COUNT); /* 3 is minimum due to perl rounding down in scope.c:GROW() */ |
843 | PL_curstackinfo->si_type = PERLSI_MAIN; |
949 | PL_curstackinfo->si_type = PERLSI_MAIN; |
844 | PL_curstack = PL_curstackinfo->si_stack; |
950 | PL_curstack = PL_curstackinfo->si_stack; |
845 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
951 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
846 | |
952 | |
847 | PL_stack_base = AvARRAY(PL_curstack); |
953 | PL_stack_base = AvARRAY(PL_curstack); |
… | |
… | |
862 | #endif |
968 | #endif |
863 | |
969 | |
864 | New(54,PL_scopestack,8,I32); |
970 | New(54,PL_scopestack,8,I32); |
865 | PL_scopestack_ix = 0; |
971 | PL_scopestack_ix = 0; |
866 | PL_scopestack_max = 8; |
972 | PL_scopestack_max = 8; |
|
|
973 | #if HAS_SCOPESTACK_NAME |
|
|
974 | New(54,PL_scopestack_name,8,const char*); |
|
|
975 | #endif |
867 | |
976 | |
868 | New(54,PL_savestack,24,ANY); |
977 | New(54,PL_savestack,24,ANY); |
869 | PL_savestack_ix = 0; |
978 | PL_savestack_ix = 0; |
870 | PL_savestack_max = 24; |
979 | PL_savestack_max = 24; |
|
|
980 | #if PERL_VERSION_ATLEAST (5,24,0) |
|
|
981 | /* perl 5.24 moves SS_MAXPUSH optimisation from */ |
|
|
982 | /* the header macros to PL_savestack_max */ |
|
|
983 | PL_savestack_max -= SS_MAXPUSH; |
|
|
984 | #endif |
871 | |
985 | |
872 | #if !PERL_VERSION_ATLEAST (5,10,0) |
986 | #if !PERL_VERSION_ATLEAST (5,10,0) |
873 | New(54,PL_retstack,4,OP*); |
987 | New(54,PL_retstack,4,OP*); |
874 | PL_retstack_ix = 0; |
988 | PL_retstack_ix = 0; |
875 | PL_retstack_max = 4; |
989 | PL_retstack_max = 4; |
… | |
… | |
899 | } |
1013 | } |
900 | |
1014 | |
901 | Safefree (PL_tmps_stack); |
1015 | Safefree (PL_tmps_stack); |
902 | Safefree (PL_markstack); |
1016 | Safefree (PL_markstack); |
903 | Safefree (PL_scopestack); |
1017 | Safefree (PL_scopestack); |
|
|
1018 | #if HAS_SCOPESTACK_NAME |
|
|
1019 | Safefree (PL_scopestack_name); |
|
|
1020 | #endif |
904 | Safefree (PL_savestack); |
1021 | Safefree (PL_savestack); |
905 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1022 | #if !PERL_VERSION_ATLEAST (5,10,0) |
906 | Safefree (PL_retstack); |
1023 | Safefree (PL_retstack); |
907 | #endif |
1024 | #endif |
908 | } |
1025 | } |
… | |
… | |
938 | } |
1055 | } |
939 | |
1056 | |
940 | return rss; |
1057 | return rss; |
941 | } |
1058 | } |
942 | |
1059 | |
943 | /** coroutine stack handling ************************************************/ |
1060 | /** provide custom get/set/clear methods for %SIG elements ******************/ |
944 | |
|
|
945 | static int (*orig_sigelem_get) (pTHX_ SV *sv, MAGIC *mg); |
|
|
946 | static int (*orig_sigelem_set) (pTHX_ SV *sv, MAGIC *mg); |
|
|
947 | static int (*orig_sigelem_clr) (pTHX_ SV *sv, MAGIC *mg); |
|
|
948 | |
1061 | |
949 | /* apparently < 5.8.8 */ |
1062 | /* apparently < 5.8.8 */ |
950 | #ifndef MgPV_nolen_const |
1063 | #ifndef MgPV_nolen_const |
951 | #define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \ |
1064 | #define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \ |
952 | SvPV_nolen((SV*)((mg)->mg_ptr)) : \ |
1065 | SvPV_nolen((SV*)((mg)->mg_ptr)) : \ |
953 | (const char*)(mg)->mg_ptr) |
1066 | (const char*)(mg)->mg_ptr) |
954 | #endif |
1067 | #endif |
955 | |
1068 | |
|
|
1069 | /* this will be a patched copy of PL_vtbl_sigelem */ |
|
|
1070 | static MGVTBL coro_sigelem_vtbl; |
|
|
1071 | |
|
|
1072 | static int ecb_cold |
|
|
1073 | coro_sig_copy (pTHX_ SV *sv, MAGIC *mg, SV *nsv, const char *name, I32 namlen) |
|
|
1074 | { |
|
|
1075 | char *key = SvPV_nolen ((SV *)name); |
|
|
1076 | |
|
|
1077 | /* do what mg_copy normally does */ |
|
|
1078 | sv_magic (nsv, mg->mg_obj, PERL_MAGIC_sigelem, name, namlen); |
|
|
1079 | assert (mg_find (nsv, PERL_MAGIC_sigelem)->mg_virtual == &PL_vtbl_sigelem); |
|
|
1080 | |
|
|
1081 | /* patch sigelem vtbl, but only for __WARN__ and __DIE__ */ |
|
|
1082 | if (*key == '_' |
|
|
1083 | && (strEQ (key, "__DIE__") |
|
|
1084 | || strEQ (key, "__WARN__"))) |
|
|
1085 | mg_find (nsv, PERL_MAGIC_sigelem)->mg_virtual = &coro_sigelem_vtbl; |
|
|
1086 | |
|
|
1087 | return 1; |
|
|
1088 | } |
|
|
1089 | |
|
|
1090 | /* perl does not have a %SIG vtbl, we provide one so we can override */ |
|
|
1091 | /* the magic vtbl for the __DIE__ and __WARN__ members */ |
|
|
1092 | static const MGVTBL coro_sig_vtbl = { |
|
|
1093 | 0, 0, 0, 0, 0, |
|
|
1094 | coro_sig_copy |
|
|
1095 | }; |
|
|
1096 | |
956 | /* |
1097 | /* |
957 | * This overrides the default magic get method of %SIG elements. |
1098 | * This overrides the default magic get method of %SIG elements. |
958 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
1099 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
959 | * and instead of trying to save and restore the hash elements, we just provide |
1100 | * and instead of trying to save and restore the hash elements (extremely slow), |
960 | * readback here. |
1101 | * we just provide our own readback here. |
961 | */ |
1102 | */ |
962 | static int |
1103 | static int ecb_cold |
963 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
1104 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
964 | { |
1105 | { |
965 | const char *s = MgPV_nolen_const (mg); |
1106 | const char *s = MgPV_nolen_const (mg); |
|
|
1107 | /* the key must be either __DIE__ or __WARN__ here */ |
|
|
1108 | SV **svp = s[2] == 'D' ? &PL_diehook : &PL_warnhook; |
966 | |
1109 | |
967 | if (*s == '_') |
1110 | SV *ssv; |
968 | { |
|
|
969 | SV **svp = 0; |
|
|
970 | |
1111 | |
971 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
|
|
972 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
|
|
973 | |
|
|
974 | if (svp) |
1112 | if (!*svp) |
975 | { |
1113 | ssv = &PL_sv_undef; |
976 | sv_setsv (sv, *svp ? *svp : &PL_sv_undef); |
1114 | else if (SvTYPE (*svp) == SVt_PVCV) /* perlio directly stores a CV in warnhook. ugh. */ |
977 | return 0; |
1115 | ssv = sv_2mortal (newRV_inc (*svp)); |
978 | } |
1116 | else |
979 | } |
1117 | ssv = *svp; |
980 | |
1118 | |
981 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
1119 | sv_setsv (sv, ssv); |
|
|
1120 | return 0; |
982 | } |
1121 | } |
983 | |
1122 | |
984 | static int |
1123 | static int ecb_cold |
985 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
1124 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
986 | { |
1125 | { |
987 | const char *s = MgPV_nolen_const (mg); |
1126 | const char *s = MgPV_nolen_const (mg); |
|
|
1127 | /* the key must be either __DIE__ or __WARN__ here */ |
|
|
1128 | SV **svp = s[2] == 'D' ? &PL_diehook : &PL_warnhook; |
988 | |
1129 | |
989 | if (*s == '_') |
|
|
990 | { |
|
|
991 | SV **svp = 0; |
|
|
992 | |
|
|
993 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
|
|
994 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
|
|
995 | |
|
|
996 | if (svp) |
|
|
997 | { |
|
|
998 | SV *old = *svp; |
1130 | SV *old = *svp; |
999 | *svp = 0; |
1131 | *svp = 0; |
1000 | SvREFCNT_dec (old); |
1132 | SvREFCNT_dec (old); |
1001 | return 0; |
1133 | return 0; |
1002 | } |
|
|
1003 | } |
|
|
1004 | |
|
|
1005 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
|
|
1006 | } |
1134 | } |
1007 | |
1135 | |
1008 | static int |
1136 | static int ecb_cold |
1009 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
1137 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
1010 | { |
1138 | { |
1011 | const char *s = MgPV_nolen_const (mg); |
1139 | const char *s = MgPV_nolen_const (mg); |
|
|
1140 | /* the key must be either __DIE__ or __WARN__ here */ |
|
|
1141 | SV **svp = s[2] == 'D' ? &PL_diehook : &PL_warnhook; |
1012 | |
1142 | |
1013 | if (*s == '_') |
|
|
1014 | { |
|
|
1015 | SV **svp = 0; |
|
|
1016 | |
|
|
1017 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
|
|
1018 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
|
|
1019 | |
|
|
1020 | if (svp) |
|
|
1021 | { |
|
|
1022 | SV *old = *svp; |
1143 | SV *old = *svp; |
1023 | *svp = SvOK (sv) ? newSVsv (sv) : 0; |
1144 | *svp = SvOK (sv) ? newSVsv (sv) : 0; |
1024 | SvREFCNT_dec (old); |
1145 | SvREFCNT_dec (old); |
1025 | return 0; |
1146 | return 0; |
1026 | } |
|
|
1027 | } |
|
|
1028 | |
|
|
1029 | return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0; |
|
|
1030 | } |
1147 | } |
1031 | |
1148 | |
1032 | static void |
1149 | static void |
1033 | prepare_nop (pTHX_ struct coro_transfer_args *ta) |
1150 | prepare_nop (pTHX_ struct coro_transfer_args *ta) |
1034 | { |
1151 | { |
… | |
… | |
1046 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
1163 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
1047 | { |
1164 | { |
1048 | return 1; |
1165 | return 1; |
1049 | } |
1166 | } |
1050 | |
1167 | |
|
|
1168 | /** coroutine stack handling ************************************************/ |
|
|
1169 | |
1051 | static UNOP init_perl_op; |
1170 | static UNOP init_perl_op; |
1052 | |
1171 | |
1053 | static void NOINLINE /* noinline to keep it out of the transfer fast path */ |
1172 | ecb_noinline static void /* noinline to keep it out of the transfer fast path */ |
1054 | init_perl (pTHX_ struct coro *coro) |
1173 | init_perl (pTHX_ struct coro *coro) |
1055 | { |
1174 | { |
1056 | /* |
1175 | /* |
1057 | * emulate part of the perl startup here. |
1176 | * emulate part of the perl startup here. |
1058 | */ |
1177 | */ |
… | |
… | |
1073 | PL_parser = 0; |
1192 | PL_parser = 0; |
1074 | #endif |
1193 | #endif |
1075 | PL_hints = 0; |
1194 | PL_hints = 0; |
1076 | |
1195 | |
1077 | /* recreate the die/warn hooks */ |
1196 | /* recreate the die/warn hooks */ |
1078 | PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); |
1197 | PL_diehook = SvREFCNT_inc (rv_diehook); |
1079 | PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook); |
1198 | PL_warnhook = SvREFCNT_inc (rv_warnhook); |
1080 | |
1199 | |
1081 | GvSV (PL_defgv) = newSV (0); |
1200 | GvSV (PL_defgv) = newSV (0); |
1082 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1201 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1083 | GvSV (PL_errgv) = newSV (0); |
1202 | GvSV (PL_errgv) = newSV (0); |
1084 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
1203 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
1085 | GvHV (PL_hintgv) = 0; |
1204 | GvHV (PL_hintgv) = newHV (); |
|
|
1205 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
1206 | hv_magic (GvHV (PL_hintgv), 0, PERL_MAGIC_hints); |
|
|
1207 | #endif |
1086 | PL_rs = newSVsv (GvSV (irsgv)); |
1208 | PL_rs = newSVsv (GvSV (irsgv)); |
1087 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
1209 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
1088 | |
1210 | |
1089 | { |
1211 | { |
1090 | dSP; |
1212 | dSP; |
… | |
… | |
1105 | /* this newly created coroutine might be run on an existing cctx which most |
1227 | /* this newly created coroutine might be run on an existing cctx which most |
1106 | * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. |
1228 | * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. |
1107 | */ |
1229 | */ |
1108 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
1230 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
1109 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
1231 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
|
|
1232 | slf_frame.destroy = 0; |
1110 | |
1233 | |
1111 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
1234 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
1112 | init_perl_op.op_next = PL_op; |
1235 | init_perl_op.op_next = PL_op; |
1113 | init_perl_op.op_type = OP_ENTERSUB; |
1236 | init_perl_op.op_type = OP_ENTERSUB; |
1114 | init_perl_op.op_ppaddr = pp_slf; |
1237 | init_perl_op.op_ppaddr = pp_slf; |
… | |
… | |
1117 | PL_op = (OP *)&init_perl_op; |
1240 | PL_op = (OP *)&init_perl_op; |
1118 | |
1241 | |
1119 | /* copy throw, in case it was set before init_perl */ |
1242 | /* copy throw, in case it was set before init_perl */ |
1120 | CORO_THROW = coro->except; |
1243 | CORO_THROW = coro->except; |
1121 | |
1244 | |
1122 | SWAP_SVS (coro); |
1245 | SWAP_SVS_ENTER (coro); |
1123 | |
1246 | |
1124 | if (expect_false (enable_times)) |
1247 | if (ecb_expect_false (enable_times)) |
1125 | { |
1248 | { |
1126 | coro_times_update (); |
1249 | coro_times_update (); |
1127 | coro_times_sub (coro); |
1250 | coro_times_sub (coro); |
1128 | } |
1251 | } |
1129 | } |
1252 | } |
… | |
… | |
1153 | destroy_perl (pTHX_ struct coro *coro) |
1276 | destroy_perl (pTHX_ struct coro *coro) |
1154 | { |
1277 | { |
1155 | SV *svf [9]; |
1278 | SV *svf [9]; |
1156 | |
1279 | |
1157 | { |
1280 | { |
|
|
1281 | SV *old_current = SvRV (coro_current); |
1158 | struct coro *current = SvSTATE_current; |
1282 | struct coro *current = SvSTATE (old_current); |
1159 | |
1283 | |
1160 | assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack)); |
1284 | assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack)); |
1161 | |
1285 | |
1162 | save_perl (aTHX_ current); |
1286 | save_perl (aTHX_ current); |
|
|
1287 | |
|
|
1288 | /* this will cause transfer_check to croak on block*/ |
|
|
1289 | SvRV_set (coro_current, (SV *)coro->hv); |
|
|
1290 | |
1163 | load_perl (aTHX_ coro); |
1291 | load_perl (aTHX_ coro); |
1164 | |
1292 | |
|
|
1293 | /* restore swapped sv's */ |
|
|
1294 | SWAP_SVS_LEAVE (coro); |
|
|
1295 | |
1165 | coro_unwind_stacks (aTHX); |
1296 | coro_unwind_stacks (aTHX); |
|
|
1297 | |
1166 | coro_destruct_stacks (aTHX); |
1298 | coro_destruct_stacks (aTHX); |
1167 | |
1299 | |
1168 | /* restore swapped sv's */ |
|
|
1169 | SWAP_SVS (coro); |
|
|
1170 | |
|
|
1171 | // now save some sv's to be free'd later |
1300 | /* now save some sv's to be free'd later */ |
1172 | svf [0] = GvSV (PL_defgv); |
1301 | svf [0] = GvSV (PL_defgv); |
1173 | svf [1] = (SV *)GvAV (PL_defgv); |
1302 | svf [1] = (SV *)GvAV (PL_defgv); |
1174 | svf [2] = GvSV (PL_errgv); |
1303 | svf [2] = GvSV (PL_errgv); |
1175 | svf [3] = (SV *)PL_defoutgv; |
1304 | svf [3] = (SV *)PL_defoutgv; |
1176 | svf [4] = PL_rs; |
1305 | svf [4] = PL_rs; |
… | |
… | |
1178 | svf [6] = (SV *)GvHV (PL_hintgv); |
1307 | svf [6] = (SV *)GvHV (PL_hintgv); |
1179 | svf [7] = PL_diehook; |
1308 | svf [7] = PL_diehook; |
1180 | svf [8] = PL_warnhook; |
1309 | svf [8] = PL_warnhook; |
1181 | assert (9 == sizeof (svf) / sizeof (*svf)); |
1310 | assert (9 == sizeof (svf) / sizeof (*svf)); |
1182 | |
1311 | |
|
|
1312 | SvRV_set (coro_current, old_current); |
|
|
1313 | |
1183 | load_perl (aTHX_ current); |
1314 | load_perl (aTHX_ current); |
1184 | } |
1315 | } |
1185 | |
1316 | |
1186 | { |
1317 | { |
1187 | unsigned int i; |
1318 | unsigned int i; |
… | |
… | |
1191 | |
1322 | |
1192 | SvREFCNT_dec (coro->saved_deffh); |
1323 | SvREFCNT_dec (coro->saved_deffh); |
1193 | SvREFCNT_dec (coro->rouse_cb); |
1324 | SvREFCNT_dec (coro->rouse_cb); |
1194 | SvREFCNT_dec (coro->invoke_cb); |
1325 | SvREFCNT_dec (coro->invoke_cb); |
1195 | SvREFCNT_dec (coro->invoke_av); |
1326 | SvREFCNT_dec (coro->invoke_av); |
|
|
1327 | SvREFCNT_dec (coro->on_enter_xs); |
|
|
1328 | SvREFCNT_dec (coro->on_leave_xs); |
1196 | } |
1329 | } |
1197 | } |
1330 | } |
1198 | |
1331 | |
1199 | INLINE void |
1332 | ecb_inline void |
1200 | free_coro_mortal (pTHX) |
1333 | free_coro_mortal (pTHX) |
1201 | { |
1334 | { |
1202 | if (expect_true (coro_mortal)) |
1335 | if (ecb_expect_true (coro_mortal)) |
1203 | { |
1336 | { |
1204 | SvREFCNT_dec (coro_mortal); |
1337 | SvREFCNT_dec ((SV *)coro_mortal); |
1205 | coro_mortal = 0; |
1338 | coro_mortal = 0; |
1206 | } |
1339 | } |
1207 | } |
1340 | } |
1208 | |
1341 | |
1209 | static int |
1342 | static int |
… | |
… | |
1263 | |
1396 | |
1264 | if (PL_curcop != &PL_compiling) |
1397 | if (PL_curcop != &PL_compiling) |
1265 | { |
1398 | { |
1266 | SV **cb; |
1399 | SV **cb; |
1267 | |
1400 | |
1268 | if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB) |
1401 | if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB && cxstack_ix >= 0) |
1269 | { |
1402 | { |
1270 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1403 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1271 | |
1404 | |
1272 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
1405 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
1273 | { |
1406 | { |
… | |
… | |
1283 | SAVETMPS; |
1416 | SAVETMPS; |
1284 | EXTEND (SP, 3); |
1417 | EXTEND (SP, 3); |
1285 | PUSHMARK (SP); |
1418 | PUSHMARK (SP); |
1286 | PUSHs (&PL_sv_yes); |
1419 | PUSHs (&PL_sv_yes); |
1287 | PUSHs (fullname); |
1420 | PUSHs (fullname); |
1288 | PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef); |
1421 | PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc (SUB_ARGARRAY)) : &PL_sv_undef); |
1289 | PUTBACK; |
1422 | PUTBACK; |
1290 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
1423 | cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
1291 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
1424 | if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
1292 | SPAGAIN; |
1425 | SPAGAIN; |
1293 | FREETMPS; |
1426 | FREETMPS; |
… | |
… | |
1342 | |
1475 | |
1343 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1476 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1344 | } |
1477 | } |
1345 | |
1478 | |
1346 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1479 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1347 | static void NOINLINE |
1480 | static void ecb_noinline |
1348 | cctx_prepare (pTHX) |
1481 | cctx_prepare (pTHX) |
1349 | { |
1482 | { |
1350 | PL_top_env = &PL_start_env; |
1483 | PL_top_env = &PL_start_env; |
1351 | |
1484 | |
1352 | if (cctx_current->flags & CC_TRACE) |
1485 | if (cctx_current->flags & CC_TRACE) |
… | |
… | |
1363 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1496 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1364 | slf_frame.check = slf_check_set_stacklevel; |
1497 | slf_frame.check = slf_check_set_stacklevel; |
1365 | } |
1498 | } |
1366 | |
1499 | |
1367 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1500 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1368 | INLINE void |
1501 | ecb_inline void |
1369 | transfer_tail (pTHX) |
1502 | transfer_tail (pTHX) |
1370 | { |
1503 | { |
1371 | free_coro_mortal (aTHX); |
1504 | free_coro_mortal (aTHX); |
|
|
1505 | } |
|
|
1506 | |
|
|
1507 | /* try to exit the same way perl's main function would do */ |
|
|
1508 | /* we do not bother resetting the environment or other things *7 |
|
|
1509 | /* that are not, uhm, essential */ |
|
|
1510 | /* this obviously also doesn't work when perl is embedded */ |
|
|
1511 | static void ecb_noinline ecb_cold |
|
|
1512 | perlish_exit (pTHX) |
|
|
1513 | { |
|
|
1514 | int exitstatus = perl_destruct (PL_curinterp); |
|
|
1515 | perl_free (PL_curinterp); |
|
|
1516 | exit (exitstatus); |
1372 | } |
1517 | } |
1373 | |
1518 | |
1374 | /* |
1519 | /* |
1375 | * this is a _very_ stripped down perl interpreter ;) |
1520 | * this is a _very_ stripped down perl interpreter ;) |
1376 | */ |
1521 | */ |
… | |
… | |
1403 | * coro body here, as perl_run destroys these. Likewise, we cannot catch |
1548 | * coro body here, as perl_run destroys these. Likewise, we cannot catch |
1404 | * runtime errors here, as this is just a random interpreter, not a thread. |
1549 | * runtime errors here, as this is just a random interpreter, not a thread. |
1405 | */ |
1550 | */ |
1406 | |
1551 | |
1407 | /* |
1552 | /* |
|
|
1553 | * pp_entersub in 5.24 no longer ENTERs, but perl_destruct |
|
|
1554 | * requires PL_scopestack_ix, so do it here if required. |
|
|
1555 | */ |
|
|
1556 | if (!PL_scopestack_ix) |
|
|
1557 | ENTER; |
|
|
1558 | |
|
|
1559 | /* |
1408 | * If perl-run returns we assume exit() was being called or the coro |
1560 | * If perl-run returns we assume exit() was being called or the coro |
1409 | * fell off the end, which seems to be the only valid (non-bug) |
1561 | * fell off the end, which seems to be the only valid (non-bug) |
1410 | * reason for perl_run to return. We try to exit by jumping to the |
1562 | * reason for perl_run to return. We try to mimic whatever perl is normally |
1411 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
1563 | * doing in that case. YMMV. |
1412 | * coroutine as Coro has no such concept. |
|
|
1413 | * This actually isn't valid with the pthread backend, but OSes requiring |
|
|
1414 | * that backend are too broken to do it in a standards-compliant way. |
|
|
1415 | */ |
1564 | */ |
1416 | PL_top_env = main_top_env; |
1565 | perlish_exit (aTHX); |
1417 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
|
|
1418 | } |
1566 | } |
1419 | } |
1567 | } |
1420 | |
1568 | |
1421 | static coro_cctx * |
1569 | static coro_cctx * |
1422 | cctx_new () |
1570 | cctx_new (void) |
1423 | { |
1571 | { |
1424 | coro_cctx *cctx; |
1572 | coro_cctx *cctx; |
1425 | |
1573 | |
1426 | ++cctx_count; |
1574 | ++cctx_count; |
1427 | New (0, cctx, 1, coro_cctx); |
1575 | New (0, cctx, 1, coro_cctx); |
… | |
… | |
1433 | return cctx; |
1581 | return cctx; |
1434 | } |
1582 | } |
1435 | |
1583 | |
1436 | /* create a new cctx only suitable as source */ |
1584 | /* create a new cctx only suitable as source */ |
1437 | static coro_cctx * |
1585 | static coro_cctx * |
1438 | cctx_new_empty () |
1586 | cctx_new_empty (void) |
1439 | { |
1587 | { |
1440 | coro_cctx *cctx = cctx_new (); |
1588 | coro_cctx *cctx = cctx_new (); |
1441 | |
1589 | |
1442 | cctx->sptr = 0; |
1590 | cctx->stack.sptr = 0; |
1443 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
1591 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
1444 | |
1592 | |
1445 | return cctx; |
1593 | return cctx; |
1446 | } |
1594 | } |
1447 | |
1595 | |
1448 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1596 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1449 | static coro_cctx * |
1597 | static coro_cctx * |
1450 | cctx_new_run () |
1598 | cctx_new_run (void) |
1451 | { |
1599 | { |
1452 | coro_cctx *cctx = cctx_new (); |
1600 | coro_cctx *cctx = cctx_new (); |
1453 | void *stack_start; |
|
|
1454 | size_t stack_size; |
|
|
1455 | |
1601 | |
1456 | #if HAVE_MMAP |
1602 | if (!coro_stack_alloc (&cctx->stack, cctx_stacksize)) |
1457 | cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
|
|
1458 | /* mmap supposedly does allocate-on-write for us */ |
|
|
1459 | cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
|
|
1460 | |
|
|
1461 | if (cctx->sptr != (void *)-1) |
|
|
1462 | { |
|
|
1463 | #if CORO_STACKGUARD |
|
|
1464 | mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); |
|
|
1465 | #endif |
|
|
1466 | stack_start = (char *)cctx->sptr + CORO_STACKGUARD * PAGESIZE; |
|
|
1467 | stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE; |
|
|
1468 | cctx->flags |= CC_MAPPED; |
|
|
1469 | } |
1603 | { |
1470 | else |
|
|
1471 | #endif |
|
|
1472 | { |
|
|
1473 | cctx->ssize = cctx_stacksize * (long)sizeof (long); |
|
|
1474 | New (0, cctx->sptr, cctx_stacksize, long); |
|
|
1475 | |
|
|
1476 | if (!cctx->sptr) |
|
|
1477 | { |
|
|
1478 | perror ("FATAL: unable to allocate stack for coroutine, exiting."); |
1604 | perror ("FATAL: unable to allocate stack for coroutine, exiting."); |
1479 | _exit (EXIT_FAILURE); |
1605 | _exit (EXIT_FAILURE); |
1480 | } |
|
|
1481 | |
|
|
1482 | stack_start = cctx->sptr; |
|
|
1483 | stack_size = cctx->ssize; |
|
|
1484 | } |
1606 | } |
1485 | |
1607 | |
1486 | #if CORO_USE_VALGRIND |
|
|
1487 | cctx->valgrind_id = VALGRIND_STACK_REGISTER ((char *)stack_start, (char *)stack_start + stack_size); |
|
|
1488 | #endif |
|
|
1489 | |
|
|
1490 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size); |
1608 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, cctx->stack.sptr, cctx->stack.ssze); |
1491 | |
1609 | |
1492 | return cctx; |
1610 | return cctx; |
1493 | } |
1611 | } |
1494 | |
1612 | |
1495 | static void |
1613 | static void |
1496 | cctx_destroy (coro_cctx *cctx) |
1614 | cctx_destroy (coro_cctx *cctx) |
1497 | { |
1615 | { |
1498 | if (!cctx) |
1616 | if (!cctx) |
1499 | return; |
1617 | return; |
1500 | |
1618 | |
1501 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));//D temporary? |
1619 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current)); |
1502 | |
1620 | |
1503 | --cctx_count; |
1621 | --cctx_count; |
1504 | coro_destroy (&cctx->cctx); |
1622 | coro_destroy (&cctx->cctx); |
1505 | |
1623 | |
1506 | /* coro_transfer creates new, empty cctx's */ |
1624 | coro_stack_free (&cctx->stack); |
1507 | if (cctx->sptr) |
|
|
1508 | { |
|
|
1509 | #if CORO_USE_VALGRIND |
|
|
1510 | VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); |
|
|
1511 | #endif |
|
|
1512 | |
|
|
1513 | #if HAVE_MMAP |
|
|
1514 | if (cctx->flags & CC_MAPPED) |
|
|
1515 | munmap (cctx->sptr, cctx->ssize); |
|
|
1516 | else |
|
|
1517 | #endif |
|
|
1518 | Safefree (cctx->sptr); |
|
|
1519 | } |
|
|
1520 | |
1625 | |
1521 | Safefree (cctx); |
1626 | Safefree (cctx); |
1522 | } |
1627 | } |
1523 | |
1628 | |
1524 | /* wether this cctx should be destructed */ |
1629 | /* wether this cctx should be destructed */ |
1525 | #define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) |
1630 | #define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) |
1526 | |
1631 | |
1527 | static coro_cctx * |
1632 | static coro_cctx * |
1528 | cctx_get (pTHX) |
1633 | cctx_get (pTHX) |
1529 | { |
1634 | { |
1530 | while (expect_true (cctx_first)) |
1635 | while (ecb_expect_true (cctx_first)) |
1531 | { |
1636 | { |
1532 | coro_cctx *cctx = cctx_first; |
1637 | coro_cctx *cctx = cctx_first; |
1533 | cctx_first = cctx->next; |
1638 | cctx_first = cctx->next; |
1534 | --cctx_idle; |
1639 | --cctx_idle; |
1535 | |
1640 | |
1536 | if (expect_true (!CCTX_EXPIRED (cctx))) |
1641 | if (ecb_expect_true (!CCTX_EXPIRED (cctx))) |
1537 | return cctx; |
1642 | return cctx; |
1538 | |
1643 | |
1539 | cctx_destroy (cctx); |
1644 | cctx_destroy (cctx); |
1540 | } |
1645 | } |
1541 | |
1646 | |
… | |
… | |
1543 | } |
1648 | } |
1544 | |
1649 | |
1545 | static void |
1650 | static void |
1546 | cctx_put (coro_cctx *cctx) |
1651 | cctx_put (coro_cctx *cctx) |
1547 | { |
1652 | { |
1548 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr)); |
1653 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->stack.sptr)); |
1549 | |
1654 | |
1550 | /* free another cctx if overlimit */ |
1655 | /* free another cctx if overlimit */ |
1551 | if (expect_false (cctx_idle >= cctx_max_idle)) |
1656 | if (ecb_expect_false (cctx_idle >= cctx_max_idle)) |
1552 | { |
1657 | { |
1553 | coro_cctx *first = cctx_first; |
1658 | coro_cctx *first = cctx_first; |
1554 | cctx_first = first->next; |
1659 | cctx_first = first->next; |
1555 | --cctx_idle; |
1660 | --cctx_idle; |
1556 | |
1661 | |
… | |
… | |
1567 | static void |
1672 | static void |
1568 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1673 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1569 | { |
1674 | { |
1570 | /* TODO: throwing up here is considered harmful */ |
1675 | /* TODO: throwing up here is considered harmful */ |
1571 | |
1676 | |
1572 | if (expect_true (prev != next)) |
1677 | if (ecb_expect_true (prev != next)) |
1573 | { |
1678 | { |
1574 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1679 | if (ecb_expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1575 | croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); |
1680 | croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); |
1576 | |
1681 | |
1577 | if (expect_false (next->flags & (CF_RUNNING | CF_DESTROYED | CF_SUSPENDED))) |
1682 | if (ecb_expect_false (next->flags & (CF_RUNNING | CF_ZOMBIE | CF_SUSPENDED))) |
1578 | croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); |
1683 | croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); |
1579 | |
1684 | |
1580 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1685 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1581 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1686 | if (ecb_expect_false (PL_lex_state != LEX_NOTPARSING)) |
1582 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1687 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1583 | #endif |
1688 | #endif |
1584 | } |
1689 | } |
1585 | } |
1690 | } |
1586 | |
1691 | |
1587 | /* always use the TRANSFER macro */ |
1692 | /* always use the TRANSFER macro */ |
1588 | static void NOINLINE /* noinline so we have a fixed stackframe */ |
1693 | static void ecb_noinline /* noinline so we have a fixed stackframe */ |
1589 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1694 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1590 | { |
1695 | { |
1591 | dSTACKLEVEL; |
1696 | dSTACKLEVEL; |
1592 | |
1697 | |
1593 | /* sometimes transfer is only called to set idle_sp */ |
1698 | /* sometimes transfer is only called to set idle_sp */ |
1594 | if (expect_false (!prev)) |
1699 | if (ecb_expect_false (!prev)) |
1595 | { |
1700 | { |
1596 | cctx_current->idle_sp = STACKLEVEL; |
1701 | cctx_current->idle_sp = STACKLEVEL; |
1597 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1702 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1598 | } |
1703 | } |
1599 | else if (expect_true (prev != next)) |
1704 | else if (ecb_expect_true (prev != next)) |
1600 | { |
1705 | { |
1601 | coro_cctx *cctx_prev; |
1706 | coro_cctx *cctx_prev; |
1602 | |
1707 | |
1603 | if (expect_false (prev->flags & CF_NEW)) |
1708 | if (ecb_expect_false (prev->flags & CF_NEW)) |
1604 | { |
1709 | { |
1605 | /* create a new empty/source context */ |
1710 | /* create a new empty/source context */ |
1606 | prev->flags &= ~CF_NEW; |
1711 | prev->flags &= ~CF_NEW; |
1607 | prev->flags |= CF_RUNNING; |
1712 | prev->flags |= CF_RUNNING; |
1608 | } |
1713 | } |
… | |
… | |
1611 | next->flags |= CF_RUNNING; |
1716 | next->flags |= CF_RUNNING; |
1612 | |
1717 | |
1613 | /* first get rid of the old state */ |
1718 | /* first get rid of the old state */ |
1614 | save_perl (aTHX_ prev); |
1719 | save_perl (aTHX_ prev); |
1615 | |
1720 | |
1616 | if (expect_false (next->flags & CF_NEW)) |
1721 | if (ecb_expect_false (next->flags & CF_NEW)) |
1617 | { |
1722 | { |
1618 | /* need to start coroutine */ |
1723 | /* need to start coroutine */ |
1619 | next->flags &= ~CF_NEW; |
1724 | next->flags &= ~CF_NEW; |
1620 | /* setup coroutine call */ |
1725 | /* setup coroutine call */ |
1621 | init_perl (aTHX_ next); |
1726 | init_perl (aTHX_ next); |
1622 | } |
1727 | } |
1623 | else |
1728 | else |
1624 | load_perl (aTHX_ next); |
1729 | load_perl (aTHX_ next); |
1625 | |
1730 | |
1626 | /* possibly untie and reuse the cctx */ |
1731 | /* possibly untie and reuse the cctx */ |
1627 | if (expect_true ( |
1732 | if (ecb_expect_true ( |
1628 | cctx_current->idle_sp == STACKLEVEL |
1733 | cctx_current->idle_sp == STACKLEVEL |
1629 | && !(cctx_current->flags & CC_TRACE) |
1734 | && !(cctx_current->flags & CC_TRACE) |
1630 | && !force_cctx |
1735 | && !force_cctx |
1631 | )) |
1736 | )) |
1632 | { |
1737 | { |
1633 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1738 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1634 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1739 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1635 | |
1740 | |
1636 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1741 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1637 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1742 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1638 | if (expect_false (CCTX_EXPIRED (cctx_current))) |
1743 | if (ecb_expect_false (CCTX_EXPIRED (cctx_current))) |
1639 | if (expect_true (!next->cctx)) |
1744 | if (ecb_expect_true (!next->cctx)) |
1640 | next->cctx = cctx_get (aTHX); |
1745 | next->cctx = cctx_get (aTHX); |
1641 | |
1746 | |
1642 | cctx_put (cctx_current); |
1747 | cctx_put (cctx_current); |
1643 | } |
1748 | } |
1644 | else |
1749 | else |
1645 | prev->cctx = cctx_current; |
1750 | prev->cctx = cctx_current; |
1646 | |
1751 | |
1647 | ++next->usecount; |
1752 | ++next->usecount; |
1648 | |
1753 | |
1649 | cctx_prev = cctx_current; |
1754 | cctx_prev = cctx_current; |
1650 | cctx_current = expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1755 | cctx_current = ecb_expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1651 | |
1756 | |
1652 | next->cctx = 0; |
1757 | next->cctx = 0; |
1653 | |
1758 | |
1654 | if (expect_false (cctx_prev != cctx_current)) |
1759 | if (ecb_expect_false (cctx_prev != cctx_current)) |
1655 | { |
1760 | { |
1656 | cctx_prev->top_env = PL_top_env; |
1761 | cctx_prev->top_env = PL_top_env; |
1657 | PL_top_env = cctx_current->top_env; |
1762 | PL_top_env = cctx_current->top_env; |
1658 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1763 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1659 | } |
1764 | } |
… | |
… | |
1665 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1770 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1666 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1771 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1667 | |
1772 | |
1668 | /** high level stuff ********************************************************/ |
1773 | /** high level stuff ********************************************************/ |
1669 | |
1774 | |
|
|
1775 | /* this function is actually Coro, not Coro::State, but we call it from here */ |
|
|
1776 | /* because it is convenient - but it hasn't been declared yet for that reason */ |
1670 | static int |
1777 | static void |
|
|
1778 | coro_call_on_destroy (pTHX_ struct coro *coro); |
|
|
1779 | |
|
|
1780 | static void |
1671 | coro_state_destroy (pTHX_ struct coro *coro) |
1781 | coro_state_destroy (pTHX_ struct coro *coro) |
1672 | { |
1782 | { |
1673 | if (coro->flags & CF_DESTROYED) |
1783 | if (coro->flags & CF_ZOMBIE) |
1674 | return 0; |
1784 | return; |
1675 | |
1785 | |
1676 | if (coro->on_destroy && !PL_dirty) |
|
|
1677 | coro->on_destroy (aTHX_ coro); |
1786 | slf_destroy (aTHX_ coro); |
1678 | |
1787 | |
1679 | coro->flags |= CF_DESTROYED; |
1788 | coro->flags |= CF_ZOMBIE; |
1680 | |
1789 | |
1681 | if (coro->flags & CF_READY) |
1790 | if (coro->flags & CF_READY) |
1682 | { |
1791 | { |
1683 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1792 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1684 | /* alternative: look through all ready queues and remove the coro */ |
1793 | /* alternative: look through all ready queues and remove the coro */ |
1685 | --coro_nready; |
1794 | --coro_nready; |
1686 | } |
1795 | } |
1687 | else |
1796 | else |
1688 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
1797 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
|
|
1798 | |
|
|
1799 | if (coro->next) coro->next->prev = coro->prev; |
|
|
1800 | if (coro->prev) coro->prev->next = coro->next; |
|
|
1801 | if (coro == coro_first) coro_first = coro->next; |
1689 | |
1802 | |
1690 | if (coro->mainstack |
1803 | if (coro->mainstack |
1691 | && coro->mainstack != main_mainstack |
1804 | && coro->mainstack != main_mainstack |
1692 | && coro->slot |
1805 | && coro->slot |
1693 | && !PL_dirty) |
1806 | && !PL_dirty) |
1694 | destroy_perl (aTHX_ coro); |
1807 | destroy_perl (aTHX_ coro); |
1695 | |
1808 | |
1696 | if (coro->next) coro->next->prev = coro->prev; |
|
|
1697 | if (coro->prev) coro->prev->next = coro->next; |
|
|
1698 | if (coro == coro_first) coro_first = coro->next; |
|
|
1699 | |
|
|
1700 | cctx_destroy (coro->cctx); |
1809 | cctx_destroy (coro->cctx); |
1701 | SvREFCNT_dec (coro->startcv); |
1810 | SvREFCNT_dec (coro->startcv); |
1702 | SvREFCNT_dec (coro->args); |
1811 | SvREFCNT_dec (coro->args); |
1703 | SvREFCNT_dec (coro->swap_sv); |
1812 | SvREFCNT_dec (coro->swap_sv); |
1704 | SvREFCNT_dec (CORO_THROW); |
1813 | SvREFCNT_dec (CORO_THROW); |
1705 | |
1814 | |
1706 | return 1; |
1815 | coro_call_on_destroy (aTHX_ coro); |
|
|
1816 | |
|
|
1817 | /* more destruction mayhem in coro_state_free */ |
1707 | } |
1818 | } |
1708 | |
1819 | |
1709 | static int |
1820 | static int |
1710 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1821 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1711 | { |
1822 | { |
1712 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1823 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1713 | mg->mg_ptr = 0; |
1824 | mg->mg_ptr = 0; |
1714 | |
1825 | |
1715 | coro->hv = 0; |
|
|
1716 | |
|
|
1717 | if (--coro->refcnt < 0) |
|
|
1718 | { |
|
|
1719 | coro_state_destroy (aTHX_ coro); |
1826 | coro_state_destroy (aTHX_ coro); |
|
|
1827 | SvREFCNT_dec (coro->on_destroy); |
|
|
1828 | SvREFCNT_dec (coro->status); |
|
|
1829 | |
1720 | Safefree (coro); |
1830 | Safefree (coro); |
1721 | } |
|
|
1722 | |
1831 | |
1723 | return 0; |
1832 | return 0; |
1724 | } |
1833 | } |
1725 | |
1834 | |
1726 | static int |
1835 | static int ecb_cold |
1727 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1836 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1728 | { |
1837 | { |
1729 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1838 | /* called when perl clones the current process the slow way (windows process emulation) */ |
1730 | |
1839 | /* WE SIMply nuke the pointers in the copy, causing perl to croak */ |
1731 | ++coro->refcnt; |
1840 | mg->mg_ptr = 0; |
|
|
1841 | mg->mg_virtual = 0; |
1732 | |
1842 | |
1733 | return 0; |
1843 | return 0; |
1734 | } |
1844 | } |
1735 | |
1845 | |
1736 | static MGVTBL coro_state_vtbl = { |
1846 | static MGVTBL coro_state_vtbl = { |
… | |
… | |
1761 | TRANSFER (ta, 1); |
1871 | TRANSFER (ta, 1); |
1762 | } |
1872 | } |
1763 | |
1873 | |
1764 | /** Coro ********************************************************************/ |
1874 | /** Coro ********************************************************************/ |
1765 | |
1875 | |
1766 | INLINE void |
1876 | ecb_inline void |
1767 | coro_enq (pTHX_ struct coro *coro) |
1877 | coro_enq (pTHX_ struct coro *coro) |
1768 | { |
1878 | { |
1769 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1879 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1770 | |
1880 | |
1771 | SvREFCNT_inc_NN (coro->hv); |
1881 | SvREFCNT_inc_NN (coro->hv); |
… | |
… | |
1773 | coro->next_ready = 0; |
1883 | coro->next_ready = 0; |
1774 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
1884 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
1775 | ready [1] = coro; |
1885 | ready [1] = coro; |
1776 | } |
1886 | } |
1777 | |
1887 | |
1778 | INLINE struct coro * |
1888 | ecb_inline struct coro * |
1779 | coro_deq (pTHX) |
1889 | coro_deq (pTHX) |
1780 | { |
1890 | { |
1781 | int prio; |
1891 | int prio; |
1782 | |
1892 | |
1783 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
1893 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
… | |
… | |
1836 | { |
1946 | { |
1837 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1947 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1838 | } |
1948 | } |
1839 | |
1949 | |
1840 | /* expects to own a reference to next->hv */ |
1950 | /* expects to own a reference to next->hv */ |
1841 | INLINE void |
1951 | ecb_inline void |
1842 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1952 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1843 | { |
1953 | { |
1844 | SV *prev_sv = SvRV (coro_current); |
1954 | SV *prev_sv = SvRV (coro_current); |
1845 | |
1955 | |
1846 | ta->prev = SvSTATE_hv (prev_sv); |
1956 | ta->prev = SvSTATE_hv (prev_sv); |
… | |
… | |
1859 | { |
1969 | { |
1860 | for (;;) |
1970 | for (;;) |
1861 | { |
1971 | { |
1862 | struct coro *next = coro_deq (aTHX); |
1972 | struct coro *next = coro_deq (aTHX); |
1863 | |
1973 | |
1864 | if (expect_true (next)) |
1974 | if (ecb_expect_true (next)) |
1865 | { |
1975 | { |
1866 | /* cannot transfer to destroyed coros, skip and look for next */ |
1976 | /* cannot transfer to destroyed coros, skip and look for next */ |
1867 | if (expect_false (next->flags & (CF_DESTROYED | CF_SUSPENDED))) |
1977 | if (ecb_expect_false (next->flags & (CF_ZOMBIE | CF_SUSPENDED))) |
1868 | SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ |
1978 | SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ |
1869 | else |
1979 | else |
1870 | { |
1980 | { |
1871 | next->flags &= ~CF_READY; |
1981 | next->flags &= ~CF_READY; |
1872 | --coro_nready; |
1982 | --coro_nready; |
… | |
… | |
1880 | /* nothing to schedule: call the idle handler */ |
1990 | /* nothing to schedule: call the idle handler */ |
1881 | if (SvROK (sv_idle) |
1991 | if (SvROK (sv_idle) |
1882 | && SvOBJECT (SvRV (sv_idle))) |
1992 | && SvOBJECT (SvRV (sv_idle))) |
1883 | { |
1993 | { |
1884 | if (SvRV (sv_idle) == SvRV (coro_current)) |
1994 | if (SvRV (sv_idle) == SvRV (coro_current)) |
|
|
1995 | { |
|
|
1996 | require_pv ("Carp"); |
|
|
1997 | |
|
|
1998 | { |
|
|
1999 | dSP; |
|
|
2000 | |
|
|
2001 | ENTER; |
|
|
2002 | SAVETMPS; |
|
|
2003 | |
|
|
2004 | PUSHMARK (SP); |
1885 | croak ("FATAL: $Coro::IDLE blocked itself - did you try to block inside an event loop callback? Caught"); |
2005 | XPUSHs (sv_2mortal (newSVpv ("FATAL: $Coro::idle blocked itself - did you try to block inside an event loop callback? Caught", 0))); |
|
|
2006 | PUTBACK; |
|
|
2007 | call_pv ("Carp::confess", G_VOID | G_DISCARD); |
|
|
2008 | |
|
|
2009 | FREETMPS; |
|
|
2010 | LEAVE; |
|
|
2011 | } |
|
|
2012 | } |
1886 | |
2013 | |
1887 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
2014 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
1888 | api_ready (aTHX_ SvRV (sv_idle)); |
2015 | api_ready (aTHX_ SvRV (sv_idle)); |
1889 | --coro_nready; |
2016 | --coro_nready; |
1890 | } |
2017 | } |
… | |
… | |
1905 | } |
2032 | } |
1906 | } |
2033 | } |
1907 | } |
2034 | } |
1908 | } |
2035 | } |
1909 | |
2036 | |
1910 | INLINE void |
2037 | ecb_inline void |
1911 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
2038 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1912 | { |
2039 | { |
1913 | api_ready (aTHX_ coro_current); |
2040 | api_ready (aTHX_ coro_current); |
1914 | prepare_schedule (aTHX_ ta); |
2041 | prepare_schedule (aTHX_ ta); |
1915 | } |
2042 | } |
1916 | |
2043 | |
1917 | INLINE void |
2044 | ecb_inline void |
1918 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
2045 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
1919 | { |
2046 | { |
1920 | SV *prev = SvRV (coro_current); |
2047 | SV *prev = SvRV (coro_current); |
1921 | |
2048 | |
1922 | if (coro_nready) |
2049 | if (coro_nready) |
… | |
… | |
1952 | { |
2079 | { |
1953 | struct coro_transfer_args ta; |
2080 | struct coro_transfer_args ta; |
1954 | |
2081 | |
1955 | prepare_cede (aTHX_ &ta); |
2082 | prepare_cede (aTHX_ &ta); |
1956 | |
2083 | |
1957 | if (expect_true (ta.prev != ta.next)) |
2084 | if (ecb_expect_true (ta.prev != ta.next)) |
1958 | { |
2085 | { |
1959 | TRANSFER (ta, 1); |
2086 | TRANSFER (ta, 1); |
1960 | return 1; |
2087 | return 1; |
1961 | } |
2088 | } |
1962 | else |
2089 | else |
… | |
… | |
2005 | coro->slot->runops = RUNOPS_DEFAULT; |
2132 | coro->slot->runops = RUNOPS_DEFAULT; |
2006 | } |
2133 | } |
2007 | } |
2134 | } |
2008 | |
2135 | |
2009 | static void |
2136 | static void |
|
|
2137 | coro_push_av (pTHX_ AV *av, I32 gimme_v) |
|
|
2138 | { |
|
|
2139 | if (AvFILLp (av) >= 0 && gimme_v != G_VOID) |
|
|
2140 | { |
|
|
2141 | dSP; |
|
|
2142 | |
|
|
2143 | if (gimme_v == G_SCALAR) |
|
|
2144 | XPUSHs (AvARRAY (av)[AvFILLp (av)]); |
|
|
2145 | else |
|
|
2146 | { |
|
|
2147 | int i; |
|
|
2148 | EXTEND (SP, AvFILLp (av) + 1); |
|
|
2149 | |
|
|
2150 | for (i = 0; i <= AvFILLp (av); ++i) |
|
|
2151 | PUSHs (AvARRAY (av)[i]); |
|
|
2152 | } |
|
|
2153 | |
|
|
2154 | PUTBACK; |
|
|
2155 | } |
|
|
2156 | } |
|
|
2157 | |
|
|
2158 | static void |
|
|
2159 | coro_push_on_destroy (pTHX_ struct coro *coro, SV *cb) |
|
|
2160 | { |
|
|
2161 | if (!coro->on_destroy) |
|
|
2162 | coro->on_destroy = newAV (); |
|
|
2163 | |
|
|
2164 | av_push (coro->on_destroy, cb); |
|
|
2165 | } |
|
|
2166 | |
|
|
2167 | static void |
|
|
2168 | slf_destroy_join (pTHX_ struct CoroSLF *frame) |
|
|
2169 | { |
|
|
2170 | SvREFCNT_dec ((SV *)((struct coro *)frame->data)->hv); |
|
|
2171 | } |
|
|
2172 | |
|
|
2173 | static int |
|
|
2174 | slf_check_join (pTHX_ struct CoroSLF *frame) |
|
|
2175 | { |
|
|
2176 | struct coro *coro = (struct coro *)frame->data; |
|
|
2177 | |
|
|
2178 | if (!coro->status) |
|
|
2179 | return 1; |
|
|
2180 | |
|
|
2181 | frame->destroy = 0; |
|
|
2182 | |
|
|
2183 | coro_push_av (aTHX_ coro->status, GIMME_V); |
|
|
2184 | |
|
|
2185 | SvREFCNT_dec ((SV *)coro->hv); |
|
|
2186 | |
|
|
2187 | return 0; |
|
|
2188 | } |
|
|
2189 | |
|
|
2190 | static void |
|
|
2191 | slf_init_join (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2192 | { |
|
|
2193 | struct coro *coro = SvSTATE (items > 0 ? arg [0] : &PL_sv_undef); |
|
|
2194 | |
|
|
2195 | if (items > 1) |
|
|
2196 | croak ("join called with too many arguments"); |
|
|
2197 | |
|
|
2198 | if (coro->status) |
|
|
2199 | frame->prepare = prepare_nop; |
|
|
2200 | else |
|
|
2201 | { |
|
|
2202 | coro_push_on_destroy (aTHX_ coro, SvREFCNT_inc_NN (SvRV (coro_current))); |
|
|
2203 | frame->prepare = prepare_schedule; |
|
|
2204 | } |
|
|
2205 | |
|
|
2206 | frame->check = slf_check_join; |
|
|
2207 | frame->destroy = slf_destroy_join; |
|
|
2208 | frame->data = (void *)coro; |
|
|
2209 | SvREFCNT_inc (coro->hv); |
|
|
2210 | } |
|
|
2211 | |
|
|
2212 | static void |
2010 | coro_call_on_destroy (pTHX_ struct coro *coro) |
2213 | coro_call_on_destroy (pTHX_ struct coro *coro) |
2011 | { |
2214 | { |
2012 | SV **on_destroyp = hv_fetch (coro->hv, "_on_destroy", sizeof ("_on_destroy") - 1, 0); |
2215 | AV *od = coro->on_destroy; |
2013 | |
2216 | |
2014 | if (on_destroyp) |
2217 | if (!od) |
2015 | { |
2218 | return; |
2016 | SV **statusp = hv_fetch (coro->hv, "_status", sizeof ("_status") - 1, 0); |
|
|
2017 | AV *on_destroy = sv_2mortal (SvREFCNT_inc ((AV *)SvRV (*on_destroyp))); |
|
|
2018 | AV *status = statusp ? sv_2mortal (SvREFCNT_inc ((AV *)SvRV (*statusp))) : 0; |
|
|
2019 | |
2219 | |
|
|
2220 | coro->on_destroy = 0; |
|
|
2221 | sv_2mortal ((SV *)od); |
|
|
2222 | |
2020 | while (AvFILLp (on_destroy) >= 0) |
2223 | while (AvFILLp (od) >= 0) |
|
|
2224 | { |
|
|
2225 | SV *cb = sv_2mortal (av_pop (od)); |
|
|
2226 | |
|
|
2227 | /* coro hv's (and only hv's at the moment) are supported as well */ |
|
|
2228 | if (SvSTATEhv_p (aTHX_ cb)) |
|
|
2229 | api_ready (aTHX_ cb); |
|
|
2230 | else |
2021 | { |
2231 | { |
2022 | dSP; /* don't disturb outer sp */ |
2232 | dSP; /* don't disturb outer sp */ |
2023 | SV *cb = av_pop (on_destroy); |
|
|
2024 | |
|
|
2025 | PUSHMARK (SP); |
2233 | PUSHMARK (SP); |
2026 | |
2234 | |
2027 | if (statusp) |
2235 | if (coro->status) |
2028 | { |
2236 | { |
2029 | int i; |
2237 | PUTBACK; |
2030 | EXTEND (SP, AvFILLp (status) + 1); |
2238 | coro_push_av (aTHX_ coro->status, G_ARRAY); |
2031 | |
2239 | SPAGAIN; |
2032 | for (i = 0; i <= AvFILLp (status); ++i) |
|
|
2033 | PUSHs (AvARRAY (status)[i]); |
|
|
2034 | } |
2240 | } |
2035 | |
2241 | |
2036 | PUTBACK; |
2242 | PUTBACK; |
2037 | call_sv (sv_2mortal (cb), G_VOID | G_DISCARD); |
2243 | call_sv (cb, G_VOID | G_DISCARD); |
2038 | } |
2244 | } |
2039 | } |
2245 | } |
2040 | } |
2246 | } |
2041 | |
2247 | |
2042 | static void |
2248 | static void |
2043 | coro_set_status (HV *coro_hv, SV **arg, int items) |
2249 | coro_set_status (pTHX_ struct coro *coro, SV **arg, int items) |
2044 | { |
2250 | { |
2045 | AV *av = newAV (); |
2251 | AV *av; |
|
|
2252 | |
|
|
2253 | if (coro->status) |
|
|
2254 | { |
|
|
2255 | av = coro->status; |
|
|
2256 | av_clear (av); |
|
|
2257 | } |
|
|
2258 | else |
|
|
2259 | av = coro->status = newAV (); |
2046 | |
2260 | |
2047 | /* items are actually not so common, so optimise for this case */ |
2261 | /* items are actually not so common, so optimise for this case */ |
2048 | if (items) |
2262 | if (items) |
2049 | { |
2263 | { |
2050 | int i; |
2264 | int i; |
… | |
… | |
2052 | av_extend (av, items - 1); |
2266 | av_extend (av, items - 1); |
2053 | |
2267 | |
2054 | for (i = 0; i < items; ++i) |
2268 | for (i = 0; i < items; ++i) |
2055 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
2269 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
2056 | } |
2270 | } |
2057 | |
|
|
2058 | hv_store (coro_hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0); |
|
|
2059 | } |
2271 | } |
2060 | |
2272 | |
2061 | static void |
2273 | static void |
2062 | slf_init_terminate_cancel_common (pTHX_ struct CoroSLF *frame, HV *coro_hv) |
2274 | slf_init_terminate_cancel_common (pTHX_ struct CoroSLF *frame, HV *coro_hv) |
2063 | { |
2275 | { |
… | |
… | |
2075 | static void |
2287 | static void |
2076 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2288 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2077 | { |
2289 | { |
2078 | HV *coro_hv = (HV *)SvRV (coro_current); |
2290 | HV *coro_hv = (HV *)SvRV (coro_current); |
2079 | |
2291 | |
2080 | coro_set_status (coro_hv, arg, items); |
2292 | coro_set_status (aTHX_ SvSTATE ((SV *)coro_hv), arg, items); |
2081 | slf_init_terminate_cancel_common (frame, coro_hv); |
2293 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
2082 | } |
2294 | } |
2083 | |
2295 | |
2084 | static void |
2296 | static void |
2085 | slf_init_cancel (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2297 | slf_init_cancel (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2086 | { |
2298 | { |
… | |
… | |
2091 | croak ("Coro::cancel called without coro object,"); |
2303 | croak ("Coro::cancel called without coro object,"); |
2092 | |
2304 | |
2093 | coro = SvSTATE (arg [0]); |
2305 | coro = SvSTATE (arg [0]); |
2094 | coro_hv = coro->hv; |
2306 | coro_hv = coro->hv; |
2095 | |
2307 | |
2096 | coro_set_status (coro_hv, arg + 1, items - 1); |
2308 | coro_set_status (aTHX_ coro, arg + 1, items - 1); |
2097 | |
2309 | |
2098 | /* cancelling the current coro is allowed, and equals terminate */ |
2310 | if (ecb_expect_false (coro->flags & CF_NOCANCEL)) |
2099 | if (coro_hv == (HV *)SvRV (coro_current)) |
|
|
2100 | slf_init_terminate_cancel_common (frame, coro_hv); |
|
|
2101 | else |
|
|
2102 | { |
2311 | { |
2103 | /* otherwise we cancel ourselves */ |
2312 | /* coro currently busy cancelling something, so just notify it */ |
2104 | coro_state_destroy (aTHX_ coro); |
2313 | coro->slf_frame.data = (void *)coro; |
2105 | coro_call_on_destroy (aTHX_ coro); |
|
|
2106 | |
2314 | |
2107 | frame->prepare = prepare_nop; |
2315 | frame->prepare = prepare_nop; |
2108 | frame->check = slf_check_nop; |
2316 | frame->check = slf_check_nop; |
2109 | } |
2317 | } |
|
|
2318 | else if (coro_hv == (HV *)SvRV (coro_current)) |
|
|
2319 | { |
|
|
2320 | /* cancelling the current coro is allowed, and equals terminate */ |
|
|
2321 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
|
|
2322 | } |
|
|
2323 | else |
|
|
2324 | { |
|
|
2325 | struct coro *self = SvSTATE_current; |
|
|
2326 | |
|
|
2327 | if (!self) |
|
|
2328 | croak ("Coro::cancel called outside of thread content,"); |
|
|
2329 | |
|
|
2330 | /* otherwise we cancel directly, purely for speed reasons |
|
|
2331 | * unfortunately, this requires some magic trickery, as |
|
|
2332 | * somebody else could cancel us, so we have to fight the cancellation. |
|
|
2333 | * this is ugly, and hopefully fully worth the extra speed. |
|
|
2334 | * besides, I can't get the slow-but-safe version working... |
|
|
2335 | */ |
|
|
2336 | slf_frame.data = 0; |
|
|
2337 | self->flags |= CF_NOCANCEL; |
|
|
2338 | coro_state_destroy (aTHX_ coro); |
|
|
2339 | self->flags &= ~CF_NOCANCEL; |
|
|
2340 | |
|
|
2341 | if (slf_frame.data) |
|
|
2342 | { |
|
|
2343 | /* while we were busy we have been cancelled, so terminate */ |
|
|
2344 | slf_init_terminate_cancel_common (aTHX_ frame, self->hv); |
|
|
2345 | } |
|
|
2346 | else |
|
|
2347 | { |
|
|
2348 | frame->prepare = prepare_nop; |
|
|
2349 | frame->check = slf_check_nop; |
|
|
2350 | } |
|
|
2351 | } |
|
|
2352 | } |
|
|
2353 | |
|
|
2354 | static int |
|
|
2355 | slf_check_safe_cancel (pTHX_ struct CoroSLF *frame) |
|
|
2356 | { |
|
|
2357 | frame->prepare = 0; |
|
|
2358 | coro_unwind_stacks (aTHX); |
|
|
2359 | |
|
|
2360 | slf_init_terminate_cancel_common (aTHX_ frame, (HV *)SvRV (coro_current)); |
|
|
2361 | |
|
|
2362 | return 1; |
|
|
2363 | } |
|
|
2364 | |
|
|
2365 | static int |
|
|
2366 | safe_cancel (pTHX_ struct coro *coro, SV **arg, int items) |
|
|
2367 | { |
|
|
2368 | if (coro->cctx) |
|
|
2369 | croak ("coro inside C callback, unable to cancel at this time, caught"); |
|
|
2370 | |
|
|
2371 | if (coro->flags & CF_NEW) |
|
|
2372 | { |
|
|
2373 | coro_set_status (aTHX_ coro, arg, items); |
|
|
2374 | coro_state_destroy (aTHX_ coro); |
|
|
2375 | } |
|
|
2376 | else |
|
|
2377 | { |
|
|
2378 | if (!coro->slf_frame.prepare) |
|
|
2379 | croak ("coro outside an SLF function, unable to cancel at this time, caught"); |
|
|
2380 | |
|
|
2381 | slf_destroy (aTHX_ coro); |
|
|
2382 | |
|
|
2383 | coro_set_status (aTHX_ coro, arg, items); |
|
|
2384 | coro->slf_frame.prepare = prepare_nop; |
|
|
2385 | coro->slf_frame.check = slf_check_safe_cancel; |
|
|
2386 | |
|
|
2387 | api_ready (aTHX_ (SV *)coro->hv); |
|
|
2388 | } |
|
|
2389 | |
|
|
2390 | return 1; |
2110 | } |
2391 | } |
2111 | |
2392 | |
2112 | /*****************************************************************************/ |
2393 | /*****************************************************************************/ |
2113 | /* async pool handler */ |
2394 | /* async pool handler */ |
2114 | |
2395 | |
… | |
… | |
2145 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2426 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2146 | { |
2427 | { |
2147 | HV *hv = (HV *)SvRV (coro_current); |
2428 | HV *hv = (HV *)SvRV (coro_current); |
2148 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
2429 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
2149 | |
2430 | |
2150 | if (expect_true (coro->saved_deffh)) |
2431 | if (ecb_expect_true (coro->saved_deffh)) |
2151 | { |
2432 | { |
2152 | /* subsequent iteration */ |
2433 | /* subsequent iteration */ |
2153 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
2434 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
2154 | coro->saved_deffh = 0; |
2435 | coro->saved_deffh = 0; |
2155 | |
2436 | |
2156 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
2437 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
2157 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
2438 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
2158 | { |
2439 | { |
2159 | coro->invoke_cb = SvREFCNT_inc_NN ((SV *)cv_coro_terminate); |
2440 | slf_init_terminate_cancel_common (aTHX_ frame, hv); |
2160 | coro->invoke_av = newAV (); |
2441 | return; |
2161 | |
|
|
2162 | frame->prepare = prepare_nop; |
|
|
2163 | } |
2442 | } |
2164 | else |
2443 | else |
2165 | { |
2444 | { |
2166 | av_clear (GvAV (PL_defgv)); |
2445 | av_clear (GvAV (PL_defgv)); |
2167 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
2446 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
2168 | |
2447 | |
|
|
2448 | if (ecb_expect_false (coro->swap_sv)) |
|
|
2449 | { |
|
|
2450 | SWAP_SVS_LEAVE (coro); |
|
|
2451 | SvREFCNT_dec_NN (coro->swap_sv); |
|
|
2452 | coro->swap_sv = 0; |
|
|
2453 | } |
|
|
2454 | |
2169 | coro->prio = 0; |
2455 | coro->prio = 0; |
2170 | |
2456 | |
2171 | if (coro->cctx && (coro->cctx->flags & CC_TRACE)) |
2457 | if (ecb_expect_false (coro->cctx) && ecb_expect_false (coro->cctx->flags & CC_TRACE)) |
2172 | api_trace (aTHX_ coro_current, 0); |
2458 | api_trace (aTHX_ coro_current, 0); |
2173 | |
2459 | |
2174 | frame->prepare = prepare_schedule; |
2460 | frame->prepare = prepare_schedule; |
2175 | av_push (av_async_pool, SvREFCNT_inc (hv)); |
2461 | av_push (av_async_pool, SvREFCNT_inc (hv)); |
2176 | } |
2462 | } |
… | |
… | |
2217 | |
2503 | |
2218 | static int |
2504 | static int |
2219 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
2505 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
2220 | { |
2506 | { |
2221 | SV *data = (SV *)frame->data; |
2507 | SV *data = (SV *)frame->data; |
2222 | |
2508 | |
2223 | if (CORO_THROW) |
2509 | if (CORO_THROW) |
2224 | return 0; |
2510 | return 0; |
2225 | |
2511 | |
2226 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2512 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2227 | return 1; |
2513 | return 1; |
… | |
… | |
2263 | cb = sv_2mortal (coro->rouse_cb); |
2549 | cb = sv_2mortal (coro->rouse_cb); |
2264 | coro->rouse_cb = 0; |
2550 | coro->rouse_cb = 0; |
2265 | } |
2551 | } |
2266 | |
2552 | |
2267 | if (!SvROK (cb) |
2553 | if (!SvROK (cb) |
2268 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2554 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2269 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2555 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2270 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2556 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2271 | |
2557 | |
2272 | { |
2558 | { |
2273 | CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ |
2559 | CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ |
… | |
… | |
2390 | static void |
2676 | static void |
2391 | slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2677 | slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2392 | { |
2678 | { |
2393 | frame->prepare = prepare_cede_notself; |
2679 | frame->prepare = prepare_cede_notself; |
2394 | frame->check = slf_check_nop; |
2680 | frame->check = slf_check_nop; |
|
|
2681 | } |
|
|
2682 | |
|
|
2683 | /* "undo"/cancel a running slf call - used when cancelling a coro, mainly */ |
|
|
2684 | static void |
|
|
2685 | slf_destroy (pTHX_ struct coro *coro) |
|
|
2686 | { |
|
|
2687 | struct CoroSLF frame = coro->slf_frame; |
|
|
2688 | |
|
|
2689 | /* |
|
|
2690 | * The on_destroy below most likely is from an SLF call. |
|
|
2691 | * Since by definition the SLF call will not finish when we destroy |
|
|
2692 | * the coro, we will have to force-finish it here, otherwise |
|
|
2693 | * cleanup functions cannot call SLF functions. |
|
|
2694 | */ |
|
|
2695 | coro->slf_frame.prepare = 0; |
|
|
2696 | |
|
|
2697 | /* this callback is reserved for slf functions needing to do cleanup */ |
|
|
2698 | if (frame.destroy && frame.prepare && !PL_dirty) |
|
|
2699 | frame.destroy (aTHX_ &frame); |
2395 | } |
2700 | } |
2396 | |
2701 | |
2397 | /* |
2702 | /* |
2398 | * these not obviously related functions are all rolled into one |
2703 | * these not obviously related functions are all rolled into one |
2399 | * function to increase chances that they all will call transfer with the same |
2704 | * function to increase chances that they all will call transfer with the same |
… | |
… | |
2406 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
2711 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
2407 | |
2712 | |
2408 | /* set up the slf frame, unless it has already been set-up */ |
2713 | /* set up the slf frame, unless it has already been set-up */ |
2409 | /* the latter happens when a new coro has been started */ |
2714 | /* the latter happens when a new coro has been started */ |
2410 | /* or when a new cctx was attached to an existing coroutine */ |
2715 | /* or when a new cctx was attached to an existing coroutine */ |
2411 | if (expect_true (!slf_frame.prepare)) |
2716 | if (ecb_expect_true (!slf_frame.prepare)) |
2412 | { |
2717 | { |
2413 | /* first iteration */ |
2718 | /* first iteration */ |
2414 | dSP; |
2719 | dSP; |
2415 | SV **arg = PL_stack_base + TOPMARK + 1; |
2720 | SV **arg = PL_stack_base + TOPMARK + 1; |
2416 | int items = SP - arg; /* args without function object */ |
2721 | int items = SP - arg; /* args without function object */ |
… | |
… | |
2457 | while (slf_frame.check (aTHX_ &slf_frame)); |
2762 | while (slf_frame.check (aTHX_ &slf_frame)); |
2458 | |
2763 | |
2459 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
2764 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
2460 | |
2765 | |
2461 | /* exception handling */ |
2766 | /* exception handling */ |
2462 | if (expect_false (CORO_THROW)) |
2767 | if (ecb_expect_false (CORO_THROW)) |
2463 | { |
2768 | { |
2464 | SV *exception = sv_2mortal (CORO_THROW); |
2769 | SV *exception = sv_2mortal (CORO_THROW); |
2465 | |
2770 | |
2466 | CORO_THROW = 0; |
2771 | CORO_THROW = 0; |
2467 | sv_setsv (ERRSV, exception); |
2772 | sv_setsv (ERRSV, exception); |
2468 | croak (0); |
2773 | croak (0); |
2469 | } |
2774 | } |
2470 | |
2775 | |
2471 | /* return value handling - mostly like entersub */ |
2776 | /* return value handling - mostly like entersub */ |
2472 | /* make sure we put something on the stack in scalar context */ |
2777 | /* make sure we put something on the stack in scalar context */ |
2473 | if (GIMME_V == G_SCALAR) |
2778 | if (GIMME_V == G_SCALAR |
|
|
2779 | && ecb_expect_false (PL_stack_sp != PL_stack_base + checkmark + 1)) |
2474 | { |
2780 | { |
2475 | dSP; |
2781 | dSP; |
2476 | SV **bot = PL_stack_base + checkmark; |
2782 | SV **bot = PL_stack_base + checkmark; |
2477 | |
2783 | |
2478 | if (sp == bot) /* too few, push undef */ |
2784 | if (sp == bot) /* too few, push undef */ |
2479 | bot [1] = &PL_sv_undef; |
2785 | bot [1] = &PL_sv_undef; |
2480 | else if (sp != bot + 1) /* too many, take last one */ |
2786 | else /* too many, take last one */ |
2481 | bot [1] = *sp; |
2787 | bot [1] = *sp; |
2482 | |
2788 | |
2483 | SP = bot + 1; |
2789 | SP = bot + 1; |
2484 | |
2790 | |
2485 | PUTBACK; |
2791 | PUTBACK; |
… | |
… | |
2583 | { |
2889 | { |
2584 | SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_leave); |
2890 | SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_leave); |
2585 | on_enterleave_call (aTHX_ sv_2mortal (cb)); |
2891 | on_enterleave_call (aTHX_ sv_2mortal (cb)); |
2586 | } |
2892 | } |
2587 | |
2893 | |
|
|
2894 | static void |
|
|
2895 | enterleave_hook_xs (pTHX_ struct coro *coro, AV **avp, coro_enterleave_hook hook, void *arg) |
|
|
2896 | { |
|
|
2897 | if (!hook) |
|
|
2898 | return; |
|
|
2899 | |
|
|
2900 | if (!*avp) |
|
|
2901 | { |
|
|
2902 | *avp = newAV (); |
|
|
2903 | AvREAL_off (*avp); |
|
|
2904 | } |
|
|
2905 | |
|
|
2906 | av_push (*avp, (SV *)hook); |
|
|
2907 | av_push (*avp, (SV *)arg); |
|
|
2908 | } |
|
|
2909 | |
|
|
2910 | static void |
|
|
2911 | enterleave_unhook_xs (pTHX_ struct coro *coro, AV **avp, coro_enterleave_hook hook, int execute) |
|
|
2912 | { |
|
|
2913 | AV *av = *avp; |
|
|
2914 | int i; |
|
|
2915 | |
|
|
2916 | if (!av) |
|
|
2917 | return; |
|
|
2918 | |
|
|
2919 | for (i = AvFILLp (av) - 1; i >= 0; i -= 2) |
|
|
2920 | if (AvARRAY (av)[i] == (SV *)hook) |
|
|
2921 | { |
|
|
2922 | if (execute) |
|
|
2923 | hook (aTHX_ (void *)AvARRAY (av)[i + 1]); |
|
|
2924 | |
|
|
2925 | memmove (AvARRAY (av) + i, AvARRAY (av) + i + 2, AvFILLp (av) - i - 1); |
|
|
2926 | av_pop (av); |
|
|
2927 | av_pop (av); |
|
|
2928 | break; |
|
|
2929 | } |
|
|
2930 | |
|
|
2931 | if (AvFILLp (av) >= 0) |
|
|
2932 | { |
|
|
2933 | *avp = 0; |
|
|
2934 | SvREFCNT_dec_NN (av); |
|
|
2935 | } |
|
|
2936 | } |
|
|
2937 | |
|
|
2938 | static void |
|
|
2939 | api_enterleave_hook (pTHX_ SV *coro_sv, coro_enterleave_hook enter, void *enter_arg, coro_enterleave_hook leave, void *leave_arg) |
|
|
2940 | { |
|
|
2941 | struct coro *coro = SvSTATE (coro_sv); |
|
|
2942 | |
|
|
2943 | if (SvSTATE_current == coro) |
|
|
2944 | if (enter) |
|
|
2945 | enter (aTHX_ enter_arg); |
|
|
2946 | |
|
|
2947 | enterleave_hook_xs (aTHX_ coro, &coro->on_enter_xs, enter, enter_arg); |
|
|
2948 | enterleave_hook_xs (aTHX_ coro, &coro->on_leave_xs, leave, leave_arg); |
|
|
2949 | } |
|
|
2950 | |
|
|
2951 | static void |
|
|
2952 | api_enterleave_unhook (pTHX_ SV *coro_sv, coro_enterleave_hook enter, coro_enterleave_hook leave) |
|
|
2953 | { |
|
|
2954 | struct coro *coro = SvSTATE (coro_sv); |
|
|
2955 | |
|
|
2956 | enterleave_unhook_xs (aTHX_ coro, &coro->on_enter_xs, enter, 0); |
|
|
2957 | enterleave_unhook_xs (aTHX_ coro, &coro->on_leave_xs, leave, SvSTATE_current == coro); |
|
|
2958 | } |
|
|
2959 | |
|
|
2960 | static void |
|
|
2961 | savedestructor_unhook_enter (pTHX_ coro_enterleave_hook enter) |
|
|
2962 | { |
|
|
2963 | struct coro *coro = SvSTATE_current; |
|
|
2964 | |
|
|
2965 | enterleave_unhook_xs (aTHX_ coro, &coro->on_enter_xs, enter, 0); |
|
|
2966 | } |
|
|
2967 | |
|
|
2968 | static void |
|
|
2969 | savedestructor_unhook_leave (pTHX_ coro_enterleave_hook leave) |
|
|
2970 | { |
|
|
2971 | struct coro *coro = SvSTATE_current; |
|
|
2972 | |
|
|
2973 | enterleave_unhook_xs (aTHX_ coro, &coro->on_leave_xs, leave, 1); |
|
|
2974 | } |
|
|
2975 | |
|
|
2976 | static void |
|
|
2977 | api_enterleave_scope_hook (pTHX_ coro_enterleave_hook enter, void *enter_arg, coro_enterleave_hook leave, void *leave_arg) |
|
|
2978 | { |
|
|
2979 | api_enterleave_hook (aTHX_ coro_current, enter, enter_arg, leave, leave_arg); |
|
|
2980 | |
|
|
2981 | /* this ought to be much cheaper than malloc + a single destructor call */ |
|
|
2982 | if (enter) SAVEDESTRUCTOR_X (savedestructor_unhook_enter, enter); |
|
|
2983 | if (leave) SAVEDESTRUCTOR_X (savedestructor_unhook_leave, leave); |
|
|
2984 | } |
|
|
2985 | |
2588 | /*****************************************************************************/ |
2986 | /*****************************************************************************/ |
2589 | /* PerlIO::cede */ |
2987 | /* PerlIO::cede */ |
2590 | |
2988 | |
2591 | typedef struct |
2989 | typedef struct |
2592 | { |
2990 | { |
2593 | PerlIOBuf base; |
2991 | PerlIOBuf base; |
2594 | NV next, every; |
2992 | NV next, every; |
2595 | } PerlIOCede; |
2993 | } PerlIOCede; |
2596 | |
2994 | |
2597 | static IV |
2995 | static IV ecb_cold |
2598 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
2996 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
2599 | { |
2997 | { |
2600 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2998 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2601 | |
2999 | |
2602 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
3000 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
2603 | self->next = nvtime () + self->every; |
3001 | self->next = nvtime () + self->every; |
2604 | |
3002 | |
2605 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
3003 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
2606 | } |
3004 | } |
2607 | |
3005 | |
2608 | static SV * |
3006 | static SV * ecb_cold |
2609 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
3007 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
2610 | { |
3008 | { |
2611 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
3009 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2612 | |
3010 | |
2613 | return newSVnv (self->every); |
3011 | return newSVnv (self->every); |
… | |
… | |
2720 | XPUSHs (sv_2mortal (newRV_inc ((SV *)av))); |
3118 | XPUSHs (sv_2mortal (newRV_inc ((SV *)av))); |
2721 | PUTBACK; |
3119 | PUTBACK; |
2722 | call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR); |
3120 | call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR); |
2723 | } |
3121 | } |
2724 | |
3122 | |
2725 | SvREFCNT_dec (cb); |
3123 | SvREFCNT_dec_NN (cb); |
2726 | } |
3124 | } |
2727 | } |
3125 | } |
2728 | |
3126 | |
2729 | static void |
3127 | static void |
2730 | coro_semaphore_on_destroy (pTHX_ struct coro *coro) |
3128 | coro_semaphore_destroy (pTHX_ struct CoroSLF *frame) |
2731 | { |
3129 | { |
2732 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
3130 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
2733 | coro_semaphore_adjust (aTHX_ (AV *)coro->slf_frame.data, 0); |
3131 | coro_semaphore_adjust (aTHX_ (AV *)frame->data, 0); |
2734 | } |
3132 | } |
2735 | |
3133 | |
2736 | static int |
3134 | static int |
2737 | slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire) |
3135 | slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire) |
2738 | { |
3136 | { |
2739 | AV *av = (AV *)frame->data; |
3137 | AV *av = (AV *)frame->data; |
2740 | SV *count_sv = AvARRAY (av)[0]; |
3138 | SV *count_sv = AvARRAY (av)[0]; |
|
|
3139 | SV *coro_hv = SvRV (coro_current); |
|
|
3140 | |
|
|
3141 | frame->destroy = 0; |
2741 | |
3142 | |
2742 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
3143 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2743 | if (CORO_THROW) |
3144 | if (ecb_expect_false (CORO_THROW)) |
|
|
3145 | { |
|
|
3146 | /* we still might be responsible for the semaphore, so wake up others */ |
|
|
3147 | coro_semaphore_adjust (aTHX_ av, 0); |
|
|
3148 | |
2744 | return 0; |
3149 | return 0; |
|
|
3150 | } |
2745 | else if (SvIVX (count_sv) > 0) |
3151 | else if (SvIVX (count_sv) > 0) |
2746 | { |
3152 | { |
2747 | SvSTATE_current->on_destroy = 0; |
|
|
2748 | |
|
|
2749 | if (acquire) |
3153 | if (acquire) |
2750 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
3154 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2751 | else |
3155 | else |
2752 | coro_semaphore_adjust (aTHX_ av, 0); |
3156 | coro_semaphore_adjust (aTHX_ av, 0); |
2753 | |
3157 | |
… | |
… | |
2757 | { |
3161 | { |
2758 | int i; |
3162 | int i; |
2759 | /* if we were woken up but can't down, we look through the whole */ |
3163 | /* if we were woken up but can't down, we look through the whole */ |
2760 | /* waiters list and only add us if we aren't in there already */ |
3164 | /* waiters list and only add us if we aren't in there already */ |
2761 | /* this avoids some degenerate memory usage cases */ |
3165 | /* this avoids some degenerate memory usage cases */ |
2762 | |
3166 | for (i = AvFILLp (av); i > 0; --i) /* i > 0 is not an off-by-one bug */ |
2763 | for (i = 1; i <= AvFILLp (av); ++i) |
|
|
2764 | if (AvARRAY (av)[i] == SvRV (coro_current)) |
3167 | if (AvARRAY (av)[i] == coro_hv) |
2765 | return 1; |
3168 | return 1; |
2766 | |
3169 | |
2767 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
3170 | av_push (av, SvREFCNT_inc (coro_hv)); |
2768 | return 1; |
3171 | return 1; |
2769 | } |
3172 | } |
2770 | } |
3173 | } |
2771 | |
3174 | |
2772 | static int |
3175 | static int |
… | |
… | |
2795 | { |
3198 | { |
2796 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
3199 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2797 | |
3200 | |
2798 | frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); |
3201 | frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); |
2799 | frame->prepare = prepare_schedule; |
3202 | frame->prepare = prepare_schedule; |
2800 | |
|
|
2801 | /* to avoid race conditions when a woken-up coro gets terminated */ |
3203 | /* to avoid race conditions when a woken-up coro gets terminated */ |
2802 | /* we arrange for a temporary on_destroy that calls adjust (0) */ |
3204 | /* we arrange for a temporary on_destroy that calls adjust (0) */ |
2803 | SvSTATE_current->on_destroy = coro_semaphore_on_destroy; |
3205 | frame->destroy = coro_semaphore_destroy; |
2804 | } |
3206 | } |
2805 | } |
3207 | } |
2806 | |
3208 | |
2807 | static void |
3209 | static void |
2808 | slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
3210 | slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
… | |
… | |
2866 | { |
3268 | { |
2867 | api_ready (aTHX_ cb); |
3269 | api_ready (aTHX_ cb); |
2868 | sv_setiv (cb, 0); /* signal waiter */ |
3270 | sv_setiv (cb, 0); /* signal waiter */ |
2869 | } |
3271 | } |
2870 | |
3272 | |
2871 | SvREFCNT_dec (cb); |
3273 | SvREFCNT_dec_NN (cb); |
2872 | |
3274 | |
2873 | --count; |
3275 | --count; |
2874 | } |
3276 | } |
2875 | } |
3277 | } |
2876 | |
3278 | |
… | |
… | |
2961 | } |
3363 | } |
2962 | |
3364 | |
2963 | av_push (state, data_sv); |
3365 | av_push (state, data_sv); |
2964 | |
3366 | |
2965 | api_ready (aTHX_ coro); |
3367 | api_ready (aTHX_ coro); |
2966 | SvREFCNT_dec (coro); |
3368 | SvREFCNT_dec_NN (coro); |
2967 | SvREFCNT_dec ((AV *)state); |
3369 | SvREFCNT_dec_NN ((AV *)state); |
2968 | } |
3370 | } |
2969 | |
3371 | |
2970 | static int |
3372 | static int |
2971 | slf_check_aio_req (pTHX_ struct CoroSLF *frame) |
3373 | slf_check_aio_req (pTHX_ struct CoroSLF *frame) |
2972 | { |
3374 | { |
… | |
… | |
2977 | /* it quickly returns */ |
3379 | /* it quickly returns */ |
2978 | if (CORO_THROW) |
3380 | if (CORO_THROW) |
2979 | return 0; |
3381 | return 0; |
2980 | |
3382 | |
2981 | /* one element that is an RV? repeat! */ |
3383 | /* one element that is an RV? repeat! */ |
2982 | if (AvFILLp (state) == 0 && SvROK (AvARRAY (state)[0])) |
3384 | if (AvFILLp (state) == 0 && SvTYPE (AvARRAY (state)[0]) != SVt_PV) |
2983 | return 1; |
3385 | return 1; |
2984 | |
3386 | |
2985 | /* restore status */ |
3387 | /* restore status */ |
2986 | { |
3388 | { |
2987 | SV *data_sv = av_pop (state); |
3389 | SV *data_sv = av_pop (state); |
… | |
… | |
2990 | errno = data->errorno; |
3392 | errno = data->errorno; |
2991 | PL_laststype = data->laststype; |
3393 | PL_laststype = data->laststype; |
2992 | PL_laststatval = data->laststatval; |
3394 | PL_laststatval = data->laststatval; |
2993 | PL_statcache = data->statcache; |
3395 | PL_statcache = data->statcache; |
2994 | |
3396 | |
2995 | SvREFCNT_dec (data_sv); |
3397 | SvREFCNT_dec_NN (data_sv); |
2996 | } |
3398 | } |
2997 | |
3399 | |
2998 | /* push result values */ |
3400 | /* push result values */ |
2999 | { |
3401 | { |
3000 | dSP; |
3402 | dSP; |
… | |
… | |
3026 | dSP; |
3428 | dSP; |
3027 | |
3429 | |
3028 | static SV *prio_cv; |
3430 | static SV *prio_cv; |
3029 | static SV *prio_sv; |
3431 | static SV *prio_sv; |
3030 | |
3432 | |
3031 | if (expect_false (!prio_cv)) |
3433 | if (ecb_expect_false (!prio_cv)) |
3032 | { |
3434 | { |
3033 | prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0); |
3435 | prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0); |
3034 | prio_sv = newSViv (0); |
3436 | prio_sv = newSViv (0); |
3035 | } |
3437 | } |
3036 | |
3438 | |
… | |
… | |
3142 | } |
3544 | } |
3143 | |
3545 | |
3144 | return coro_sv; |
3546 | return coro_sv; |
3145 | } |
3547 | } |
3146 | |
3548 | |
|
|
3549 | #ifndef __cplusplus |
|
|
3550 | ecb_cold XS(boot_Coro__State); |
|
|
3551 | #endif |
|
|
3552 | |
|
|
3553 | #if CORO_JIT |
|
|
3554 | |
|
|
3555 | static void ecb_noinline ecb_cold |
|
|
3556 | pushav_4uv (pTHX_ UV a, UV b, UV c, UV d) |
|
|
3557 | { |
|
|
3558 | dSP; |
|
|
3559 | AV *av = newAV (); |
|
|
3560 | |
|
|
3561 | av_store (av, 3, newSVuv (d)); |
|
|
3562 | av_store (av, 2, newSVuv (c)); |
|
|
3563 | av_store (av, 1, newSVuv (b)); |
|
|
3564 | av_store (av, 0, newSVuv (a)); |
|
|
3565 | |
|
|
3566 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
3567 | |
|
|
3568 | PUTBACK; |
|
|
3569 | } |
|
|
3570 | |
|
|
3571 | static void ecb_noinline ecb_cold |
|
|
3572 | jit_init (pTHX) |
|
|
3573 | { |
|
|
3574 | dSP; |
|
|
3575 | SV *load, *save; |
|
|
3576 | char *map_base; |
|
|
3577 | char *load_ptr, *save_ptr; |
|
|
3578 | STRLEN load_len, save_len, map_len; |
|
|
3579 | int count; |
|
|
3580 | |
|
|
3581 | eval_pv ("require 'Coro/jit-" CORO_JIT_TYPE ".pl'", 1); |
|
|
3582 | |
|
|
3583 | PUSHMARK (SP); |
|
|
3584 | #define VARx(name,expr,type) pushav_4uv (aTHX_ (UV)&(expr), sizeof (expr), offsetof (perl_slots, name), sizeof (type)); |
|
|
3585 | #include "state.h" |
|
|
3586 | count = call_pv ("Coro::State::_jit", G_ARRAY); |
|
|
3587 | SPAGAIN; |
|
|
3588 | |
|
|
3589 | save = POPs; save_ptr = SvPVbyte (save, save_len); |
|
|
3590 | load = POPs; load_ptr = SvPVbyte (load, load_len); |
|
|
3591 | |
|
|
3592 | map_len = load_len + save_len + 16; |
|
|
3593 | |
|
|
3594 | map_base = mmap (0, map_len, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); |
|
|
3595 | |
|
|
3596 | if (map_base == (char *)MAP_FAILED) |
|
|
3597 | map_base = mmap (0, map_len, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); |
|
|
3598 | |
|
|
3599 | assert (("Coro: unable to mmap jit code page, cannot continue.", map_base != (char *)MAP_FAILED)); |
|
|
3600 | |
|
|
3601 | load_perl_slots = (load_save_perl_slots_type)map_base; |
|
|
3602 | memcpy (map_base, load_ptr, load_len); |
|
|
3603 | |
|
|
3604 | map_base += (load_len + 15) & ~15; |
|
|
3605 | |
|
|
3606 | save_perl_slots = (load_save_perl_slots_type)map_base; |
|
|
3607 | memcpy (map_base, save_ptr, save_len); |
|
|
3608 | |
|
|
3609 | /* we are good citizens and try to make the page read-only, so the evil evil */ |
|
|
3610 | /* hackers might have it a bit more difficult */ |
|
|
3611 | mprotect (map_base, map_len, PROT_READ | PROT_EXEC); |
|
|
3612 | |
|
|
3613 | PUTBACK; |
|
|
3614 | eval_pv ("undef &Coro::State::_jit", 1); |
|
|
3615 | } |
|
|
3616 | |
|
|
3617 | #endif |
|
|
3618 | |
3147 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
3619 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
3148 | |
3620 | |
3149 | PROTOTYPES: DISABLE |
3621 | PROTOTYPES: DISABLE |
3150 | |
3622 | |
3151 | BOOT: |
3623 | BOOT: |
3152 | { |
3624 | { |
|
|
3625 | #define VARx(name,expr,type) if (sizeof (type) < sizeof (expr)) croak ("FATAL: Coro thread context slot '" # name "' too small for this version of perl."); |
|
|
3626 | #include "state.h" |
3153 | #ifdef USE_ITHREADS |
3627 | #ifdef USE_ITHREADS |
3154 | # if CORO_PTHREAD |
3628 | # if CORO_PTHREAD |
3155 | coro_thx = PERL_GET_CONTEXT; |
3629 | coro_thx = PERL_GET_CONTEXT; |
3156 | # endif |
3630 | # endif |
3157 | #endif |
3631 | #endif |
3158 | BOOT_PAGESIZE; |
3632 | /* perl defines these to check for existance first, but why it doesn't */ |
|
|
3633 | /* just create them one at init time is not clear to me, except for */ |
|
|
3634 | /* programs trying to delete them, but... */ |
|
|
3635 | /* anyway, we declare this as invalid and make sure they are initialised here */ |
|
|
3636 | DEFSV; |
|
|
3637 | ERRSV; |
3159 | |
3638 | |
3160 | cctx_current = cctx_new_empty (); |
3639 | cctx_current = cctx_new_empty (); |
3161 | |
3640 | |
3162 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3641 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3163 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3642 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3164 | |
3643 | |
3165 | orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get; |
3644 | { |
3166 | orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set; |
3645 | /* |
3167 | orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr; |
3646 | * we provide a vtbvl for %SIG magic that replaces PL_vtbl_sig |
|
|
3647 | * by coro_sig_vtbl in hash values. |
|
|
3648 | */ |
|
|
3649 | MAGIC *mg = mg_find ((SV *)GvHV (gv_fetchpv ("SIG", GV_ADD | GV_NOTQUAL, SVt_PVHV)), PERL_MAGIC_sig); |
|
|
3650 | |
|
|
3651 | /* this only works if perl doesn't have a vtbl for %SIG */ |
|
|
3652 | assert (!mg->mg_virtual); |
|
|
3653 | |
|
|
3654 | /* |
|
|
3655 | * The irony is that the perl API itself asserts that mg_virtual |
|
|
3656 | * must be non-const, yet perl5porters insisted on marking their |
|
|
3657 | * vtbls as read-only, just to thwart perl modules from patching |
|
|
3658 | * them. |
|
|
3659 | */ |
|
|
3660 | mg->mg_virtual = (MGVTBL *)&coro_sig_vtbl; |
|
|
3661 | mg->mg_flags |= MGf_COPY; |
|
|
3662 | |
|
|
3663 | coro_sigelem_vtbl = PL_vtbl_sigelem; |
|
|
3664 | coro_sigelem_vtbl.svt_get = coro_sigelem_get; |
|
|
3665 | coro_sigelem_vtbl.svt_set = coro_sigelem_set; |
|
|
3666 | coro_sigelem_vtbl.svt_clear = coro_sigelem_clr; |
|
|
3667 | } |
3168 | |
3668 | |
3169 | hv_sig = coro_get_hv (aTHX_ "SIG", TRUE); |
|
|
3170 | rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV)); |
3669 | rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV)); |
3171 | rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV)); |
3670 | rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV)); |
3172 | |
3671 | |
3173 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
3672 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
3174 | |
3673 | |
… | |
… | |
3206 | coroapi.prepare_cede_notself = prepare_cede_notself; |
3705 | coroapi.prepare_cede_notself = prepare_cede_notself; |
3207 | |
3706 | |
3208 | time_init (aTHX); |
3707 | time_init (aTHX); |
3209 | |
3708 | |
3210 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
3709 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
|
|
3710 | #if CORO_JIT |
|
|
3711 | PUTBACK; |
|
|
3712 | jit_init (aTHX); |
|
|
3713 | SPAGAIN; |
|
|
3714 | #endif |
3211 | } |
3715 | } |
3212 | |
3716 | |
3213 | SV * |
3717 | SV * |
3214 | new (SV *klass, ...) |
3718 | new (SV *klass, ...) |
3215 | ALIAS: |
3719 | ALIAS: |
… | |
… | |
3222 | void |
3726 | void |
3223 | transfer (...) |
3727 | transfer (...) |
3224 | PROTOTYPE: $$ |
3728 | PROTOTYPE: $$ |
3225 | CODE: |
3729 | CODE: |
3226 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3730 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3227 | |
|
|
3228 | void |
|
|
3229 | _exit (int code) |
|
|
3230 | PROTOTYPE: $ |
|
|
3231 | CODE: |
|
|
3232 | _exit (code); |
|
|
3233 | |
3731 | |
3234 | SV * |
3732 | SV * |
3235 | clone (Coro::State coro) |
3733 | clone (Coro::State coro) |
3236 | CODE: |
3734 | CODE: |
3237 | { |
3735 | { |
… | |
… | |
3292 | void |
3790 | void |
3293 | list () |
3791 | list () |
3294 | PROTOTYPE: |
3792 | PROTOTYPE: |
3295 | PPCODE: |
3793 | PPCODE: |
3296 | { |
3794 | { |
3297 | struct coro *coro; |
3795 | struct coro *coro; |
3298 | for (coro = coro_first; coro; coro = coro->next) |
3796 | for (coro = coro_first; coro; coro = coro->next) |
3299 | if (coro->hv) |
3797 | if (coro->hv) |
3300 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
3798 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
3301 | } |
3799 | } |
3302 | |
3800 | |
… | |
… | |
3307 | CODE: |
3805 | CODE: |
3308 | { |
3806 | { |
3309 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
3807 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
3310 | { |
3808 | { |
3311 | struct coro *current = SvSTATE_current; |
3809 | struct coro *current = SvSTATE_current; |
|
|
3810 | struct CoroSLF slf_save; |
3312 | |
3811 | |
3313 | if (current != coro) |
3812 | if (current != coro) |
3314 | { |
3813 | { |
3315 | PUTBACK; |
3814 | PUTBACK; |
3316 | save_perl (aTHX_ current); |
3815 | save_perl (aTHX_ current); |
3317 | load_perl (aTHX_ coro); |
3816 | load_perl (aTHX_ coro); |
|
|
3817 | /* the coro is most likely in an active SLF call. |
|
|
3818 | * while not strictly required (the code we execute is |
|
|
3819 | * not allowed to call any SLF functions), it's cleaner |
|
|
3820 | * to reinitialise the slf_frame and restore it later. |
|
|
3821 | * This might one day allow us to actually do SLF calls |
|
|
3822 | * from code executed here. |
|
|
3823 | */ |
|
|
3824 | slf_save = slf_frame; |
|
|
3825 | slf_frame.prepare = 0; |
3318 | SPAGAIN; |
3826 | SPAGAIN; |
3319 | } |
3827 | } |
3320 | |
3828 | |
3321 | PUSHSTACK; |
3829 | PUSHSTACK; |
3322 | |
3830 | |
… | |
… | |
3332 | SPAGAIN; |
3840 | SPAGAIN; |
3333 | |
3841 | |
3334 | if (current != coro) |
3842 | if (current != coro) |
3335 | { |
3843 | { |
3336 | PUTBACK; |
3844 | PUTBACK; |
|
|
3845 | slf_frame = slf_save; |
3337 | save_perl (aTHX_ coro); |
3846 | save_perl (aTHX_ coro); |
3338 | load_perl (aTHX_ current); |
3847 | load_perl (aTHX_ current); |
3339 | SPAGAIN; |
3848 | SPAGAIN; |
3340 | } |
3849 | } |
3341 | } |
3850 | } |
… | |
… | |
3346 | PROTOTYPE: $ |
3855 | PROTOTYPE: $ |
3347 | ALIAS: |
3856 | ALIAS: |
3348 | is_ready = CF_READY |
3857 | is_ready = CF_READY |
3349 | is_running = CF_RUNNING |
3858 | is_running = CF_RUNNING |
3350 | is_new = CF_NEW |
3859 | is_new = CF_NEW |
3351 | is_destroyed = CF_DESTROYED |
3860 | is_destroyed = CF_ZOMBIE |
|
|
3861 | is_zombie = CF_ZOMBIE |
3352 | is_suspended = CF_SUSPENDED |
3862 | is_suspended = CF_SUSPENDED |
3353 | CODE: |
3863 | CODE: |
3354 | RETVAL = boolSV (coro->flags & ix); |
3864 | RETVAL = boolSV (coro->flags & ix); |
3355 | OUTPUT: |
3865 | OUTPUT: |
3356 | RETVAL |
3866 | RETVAL |
3357 | |
3867 | |
3358 | void |
3868 | void |
3359 | throw (Coro::State self, SV *exception = &PL_sv_undef) |
3869 | throw (SV *self, SV *exception = &PL_sv_undef) |
3360 | PROTOTYPE: $;$ |
3870 | PROTOTYPE: $;$ |
3361 | CODE: |
3871 | CODE: |
3362 | { |
3872 | { |
|
|
3873 | struct coro *coro = SvSTATE (self); |
3363 | struct coro *current = SvSTATE_current; |
3874 | struct coro *current = SvSTATE_current; |
3364 | SV **exceptionp = self == current ? &CORO_THROW : &self->except; |
3875 | SV **exceptionp = coro == current ? &CORO_THROW : &coro->except; |
3365 | SvREFCNT_dec (*exceptionp); |
3876 | SvREFCNT_dec (*exceptionp); |
3366 | SvGETMAGIC (exception); |
3877 | SvGETMAGIC (exception); |
3367 | *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; |
3878 | *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; |
|
|
3879 | |
|
|
3880 | api_ready (aTHX_ self); |
3368 | } |
3881 | } |
3369 | |
3882 | |
3370 | void |
3883 | void |
3371 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3884 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3372 | PROTOTYPE: $;$ |
3885 | PROTOTYPE: $;$ |
… | |
… | |
3449 | |
3962 | |
3450 | void |
3963 | void |
3451 | times (Coro::State self) |
3964 | times (Coro::State self) |
3452 | PPCODE: |
3965 | PPCODE: |
3453 | { |
3966 | { |
3454 | struct coro *current = SvSTATE (coro_current); |
3967 | struct coro *current = SvSTATE (coro_current); |
3455 | |
3968 | |
3456 | if (expect_false (current == self)) |
3969 | if (ecb_expect_false (current == self)) |
3457 | { |
3970 | { |
3458 | coro_times_update (); |
3971 | coro_times_update (); |
3459 | coro_times_add (SvSTATE (coro_current)); |
3972 | coro_times_add (SvSTATE (coro_current)); |
3460 | } |
3973 | } |
3461 | |
3974 | |
3462 | EXTEND (SP, 2); |
3975 | EXTEND (SP, 2); |
3463 | PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9))); |
3976 | PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9))); |
3464 | PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9))); |
3977 | PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9))); |
3465 | |
3978 | |
3466 | if (expect_false (current == self)) |
3979 | if (ecb_expect_false (current == self)) |
3467 | coro_times_sub (SvSTATE (coro_current)); |
3980 | coro_times_sub (SvSTATE (coro_current)); |
3468 | } |
3981 | } |
3469 | |
3982 | |
3470 | void |
3983 | void |
3471 | swap_sv (Coro::State coro, SV *sv, SV *swapsv) |
3984 | swap_sv (Coro::State coro, SV *sva, SV *svb) |
3472 | CODE: |
3985 | CODE: |
3473 | { |
3986 | { |
3474 | struct coro *current = SvSTATE_current; |
3987 | struct coro *current = SvSTATE_current; |
|
|
3988 | AV *swap_sv; |
|
|
3989 | int i; |
|
|
3990 | |
|
|
3991 | sva = SvRV (sva); |
|
|
3992 | svb = SvRV (svb); |
3475 | |
3993 | |
3476 | if (current == coro) |
3994 | if (current == coro) |
3477 | SWAP_SVS (current); |
3995 | SWAP_SVS_LEAVE (current); |
3478 | |
3996 | |
3479 | if (!coro->swap_sv) |
3997 | if (!coro->swap_sv) |
3480 | coro->swap_sv = newAV (); |
3998 | coro->swap_sv = newAV (); |
3481 | |
3999 | |
|
|
4000 | swap_sv = coro->swap_sv; |
|
|
4001 | |
|
|
4002 | for (i = AvFILLp (swap_sv) - 1; i >= 0; i -= 2) |
|
|
4003 | { |
|
|
4004 | SV *a = AvARRAY (swap_sv)[i ]; |
|
|
4005 | SV *b = AvARRAY (swap_sv)[i + 1]; |
|
|
4006 | |
|
|
4007 | if (a == sva && b == svb) |
|
|
4008 | { |
|
|
4009 | SvREFCNT_dec_NN (a); |
|
|
4010 | SvREFCNT_dec_NN (b); |
|
|
4011 | |
|
|
4012 | for (; i <= AvFILLp (swap_sv) - 2; i++) |
|
|
4013 | AvARRAY (swap_sv)[i] = AvARRAY (swap_sv)[i + 2]; |
|
|
4014 | |
|
|
4015 | AvFILLp (swap_sv) -= 2; |
|
|
4016 | |
|
|
4017 | goto removed; |
|
|
4018 | } |
|
|
4019 | } |
|
|
4020 | |
3482 | av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (sv ))); |
4021 | av_push (swap_sv, SvREFCNT_inc_NN (sva)); |
3483 | av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (swapsv))); |
4022 | av_push (swap_sv, SvREFCNT_inc_NN (svb)); |
|
|
4023 | |
|
|
4024 | removed: |
3484 | |
4025 | |
3485 | if (current == coro) |
4026 | if (current == coro) |
3486 | SWAP_SVS (current); |
4027 | SWAP_SVS_ENTER (current); |
3487 | } |
4028 | } |
3488 | |
4029 | |
3489 | |
4030 | |
3490 | MODULE = Coro::State PACKAGE = Coro |
4031 | MODULE = Coro::State PACKAGE = Coro |
3491 | |
4032 | |
3492 | BOOT: |
4033 | BOOT: |
3493 | { |
4034 | { |
|
|
4035 | if (SVt_LAST > 32) |
|
|
4036 | croak ("Coro internal error: SVt_LAST > 32, swap_sv might need adjustment"); |
|
|
4037 | |
3494 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
4038 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3495 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
4039 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3496 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
4040 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
3497 | cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD); |
|
|
3498 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
4041 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
3499 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
4042 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
3500 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
4043 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
3501 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
4044 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
3502 | sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); |
4045 | sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); |
3503 | |
4046 | |
3504 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
4047 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3505 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
4048 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
3506 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
4049 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
3507 | CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */ |
4050 | CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */ |
3508 | |
4051 | |
3509 | coro_stash = gv_stashpv ("Coro", TRUE); |
4052 | coro_stash = gv_stashpv ("Coro", TRUE); |
3510 | |
4053 | |
3511 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
4054 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
3512 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
4055 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
3513 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL)); |
4056 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL)); |
… | |
… | |
3525 | coroapi.ready = api_ready; |
4068 | coroapi.ready = api_ready; |
3526 | coroapi.is_ready = api_is_ready; |
4069 | coroapi.is_ready = api_is_ready; |
3527 | coroapi.nready = coro_nready; |
4070 | coroapi.nready = coro_nready; |
3528 | coroapi.current = coro_current; |
4071 | coroapi.current = coro_current; |
3529 | |
4072 | |
|
|
4073 | coroapi.enterleave_hook = api_enterleave_hook; |
|
|
4074 | coroapi.enterleave_unhook = api_enterleave_unhook; |
|
|
4075 | coroapi.enterleave_scope_hook = api_enterleave_scope_hook; |
|
|
4076 | |
3530 | /*GCoroAPI = &coroapi;*/ |
4077 | /*GCoroAPI = &coroapi;*/ |
3531 | sv_setiv (sv, (IV)&coroapi); |
4078 | sv_setiv (sv, (IV)&coroapi); |
3532 | SvREADONLY_on (sv); |
4079 | SvREADONLY_on (sv); |
3533 | } |
4080 | } |
3534 | } |
4081 | } |
… | |
… | |
3545 | void |
4092 | void |
3546 | _destroy (Coro::State coro) |
4093 | _destroy (Coro::State coro) |
3547 | CODE: |
4094 | CODE: |
3548 | /* used by the manager thread */ |
4095 | /* used by the manager thread */ |
3549 | coro_state_destroy (aTHX_ coro); |
4096 | coro_state_destroy (aTHX_ coro); |
|
|
4097 | |
|
|
4098 | void |
|
|
4099 | on_destroy (Coro::State coro, SV *cb) |
|
|
4100 | CODE: |
3550 | coro_call_on_destroy (aTHX_ coro); |
4101 | coro_push_on_destroy (aTHX_ coro, newSVsv (cb)); |
|
|
4102 | |
|
|
4103 | void |
|
|
4104 | join (...) |
|
|
4105 | CODE: |
|
|
4106 | CORO_EXECUTE_SLF_XS (slf_init_join); |
3551 | |
4107 | |
3552 | void |
4108 | void |
3553 | terminate (...) |
4109 | terminate (...) |
3554 | CODE: |
4110 | CODE: |
3555 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
4111 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
… | |
… | |
3557 | void |
4113 | void |
3558 | cancel (...) |
4114 | cancel (...) |
3559 | CODE: |
4115 | CODE: |
3560 | CORO_EXECUTE_SLF_XS (slf_init_cancel); |
4116 | CORO_EXECUTE_SLF_XS (slf_init_cancel); |
3561 | |
4117 | |
|
|
4118 | int |
|
|
4119 | safe_cancel (Coro::State self, ...) |
|
|
4120 | C_ARGS: aTHX_ self, &ST (1), items - 1 |
|
|
4121 | |
3562 | void |
4122 | void |
3563 | schedule (...) |
4123 | schedule (...) |
3564 | CODE: |
4124 | CODE: |
3565 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
4125 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
3566 | |
4126 | |
… | |
… | |
3586 | |
4146 | |
3587 | void |
4147 | void |
3588 | _set_current (SV *current) |
4148 | _set_current (SV *current) |
3589 | PROTOTYPE: $ |
4149 | PROTOTYPE: $ |
3590 | CODE: |
4150 | CODE: |
3591 | SvREFCNT_dec (SvRV (coro_current)); |
4151 | SvREFCNT_dec_NN (SvRV (coro_current)); |
3592 | SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current))); |
4152 | SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current))); |
3593 | |
4153 | |
3594 | void |
4154 | void |
3595 | _set_readyhook (SV *hook) |
4155 | _set_readyhook (SV *hook) |
3596 | PROTOTYPE: $ |
4156 | PROTOTYPE: $ |
… | |
… | |
3680 | |
4240 | |
3681 | if ((SV *)hv == &PL_sv_undef) |
4241 | if ((SV *)hv == &PL_sv_undef) |
3682 | { |
4242 | { |
3683 | SV *sv = coro_new (aTHX_ coro_stash, (SV **)&cv_pool_handler, 1, 1); |
4243 | SV *sv = coro_new (aTHX_ coro_stash, (SV **)&cv_pool_handler, 1, 1); |
3684 | hv = (HV *)SvREFCNT_inc_NN (SvRV (sv)); |
4244 | hv = (HV *)SvREFCNT_inc_NN (SvRV (sv)); |
3685 | SvREFCNT_dec (sv); |
4245 | SvREFCNT_dec_NN (sv); |
3686 | } |
4246 | } |
3687 | |
4247 | |
3688 | { |
4248 | { |
3689 | struct coro *coro = SvSTATE_hv (hv); |
4249 | struct coro *coro = SvSTATE_hv (hv); |
3690 | |
4250 | |
… | |
… | |
3697 | api_ready (aTHX_ (SV *)hv); |
4257 | api_ready (aTHX_ (SV *)hv); |
3698 | |
4258 | |
3699 | if (GIMME_V != G_VOID) |
4259 | if (GIMME_V != G_VOID) |
3700 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv))); |
4260 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv))); |
3701 | else |
4261 | else |
3702 | SvREFCNT_dec (hv); |
4262 | SvREFCNT_dec_NN (hv); |
3703 | } |
4263 | } |
3704 | |
4264 | |
3705 | SV * |
4265 | SV * |
3706 | rouse_cb () |
4266 | rouse_cb () |
3707 | PROTOTYPE: |
4267 | PROTOTYPE: |
… | |
… | |
3722 | on_leave = 1 |
4282 | on_leave = 1 |
3723 | PROTOTYPE: & |
4283 | PROTOTYPE: & |
3724 | CODE: |
4284 | CODE: |
3725 | { |
4285 | { |
3726 | struct coro *coro = SvSTATE_current; |
4286 | struct coro *coro = SvSTATE_current; |
3727 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
4287 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
3728 | |
4288 | |
3729 | block = s_get_cv_croak (block); |
4289 | block = s_get_cv_croak (block); |
3730 | |
4290 | |
3731 | if (!*avp) |
4291 | if (!*avp) |
3732 | *avp = newAV (); |
4292 | *avp = newAV (); |
… | |
… | |
3752 | |
4312 | |
3753 | SV * |
4313 | SV * |
3754 | new (SV *klass, SV *count = 0) |
4314 | new (SV *klass, SV *count = 0) |
3755 | CODE: |
4315 | CODE: |
3756 | { |
4316 | { |
3757 | int semcnt = 1; |
4317 | int semcnt = 1; |
3758 | |
4318 | |
3759 | if (count) |
4319 | if (count) |
3760 | { |
4320 | { |
3761 | SvGETMAGIC (count); |
4321 | SvGETMAGIC (count); |
3762 | |
4322 | |
… | |
… | |
3786 | RETVAL = newSVsv (AvARRAY ((AV *)SvRV (self))[0]); |
4346 | RETVAL = newSVsv (AvARRAY ((AV *)SvRV (self))[0]); |
3787 | OUTPUT: |
4347 | OUTPUT: |
3788 | RETVAL |
4348 | RETVAL |
3789 | |
4349 | |
3790 | void |
4350 | void |
3791 | up (SV *self, int adjust = 1) |
4351 | up (SV *self) |
3792 | ALIAS: |
|
|
3793 | adjust = 1 |
|
|
3794 | CODE: |
4352 | CODE: |
|
|
4353 | coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), 1); |
|
|
4354 | |
|
|
4355 | void |
|
|
4356 | adjust (SV *self, int adjust) |
|
|
4357 | CODE: |
3795 | coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), ix ? adjust : 1); |
4358 | coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), adjust); |
3796 | |
4359 | |
3797 | void |
4360 | void |
3798 | down (...) |
4361 | down (...) |
3799 | CODE: |
4362 | CODE: |
3800 | CORO_EXECUTE_SLF_XS (slf_init_semaphore_down); |
4363 | CORO_EXECUTE_SLF_XS (slf_init_semaphore_down); |
… | |
… | |
3822 | XSRETURN_NO; |
4385 | XSRETURN_NO; |
3823 | } |
4386 | } |
3824 | |
4387 | |
3825 | void |
4388 | void |
3826 | waiters (SV *self) |
4389 | waiters (SV *self) |
3827 | PPCODE: |
4390 | PPCODE: |
3828 | { |
4391 | { |
3829 | AV *av = (AV *)SvRV (self); |
4392 | AV *av = (AV *)SvRV (self); |
3830 | int wcount = AvFILLp (av) + 1 - 1; |
4393 | int wcount = AvFILLp (av) + 1 - 1; |
3831 | |
4394 | |
3832 | if (GIMME_V == G_SCALAR) |
4395 | if (GIMME_V == G_SCALAR) |
… | |
… | |
3841 | } |
4404 | } |
3842 | |
4405 | |
3843 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
4406 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
3844 | |
4407 | |
3845 | void |
4408 | void |
3846 | _may_delete (SV *sem, int count, int extra_refs) |
4409 | _may_delete (SV *sem, int count, unsigned int extra_refs) |
3847 | PPCODE: |
4410 | PPCODE: |
3848 | { |
4411 | { |
3849 | AV *av = (AV *)SvRV (sem); |
4412 | AV *av = (AV *)SvRV (sem); |
3850 | |
4413 | |
3851 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
4414 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
3852 | && AvFILLp (av) == 0 /* no waiters, just count */ |
4415 | && AvFILLp (av) == 0 /* no waiters, just count */ |
3853 | && SvIV (AvARRAY (av)[0]) == count) |
4416 | && SvIV (AvARRAY (av)[0]) == count) |
3854 | XSRETURN_YES; |
4417 | XSRETURN_YES; |
… | |
… | |
3875 | |
4438 | |
3876 | void |
4439 | void |
3877 | broadcast (SV *self) |
4440 | broadcast (SV *self) |
3878 | CODE: |
4441 | CODE: |
3879 | { |
4442 | { |
3880 | AV *av = (AV *)SvRV (self); |
4443 | AV *av = (AV *)SvRV (self); |
3881 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
4444 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
3882 | } |
4445 | } |
3883 | |
4446 | |
3884 | void |
4447 | void |
3885 | send (SV *self) |
4448 | send (SV *self) |
… | |
… | |
3893 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
4456 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
3894 | } |
4457 | } |
3895 | |
4458 | |
3896 | IV |
4459 | IV |
3897 | awaited (SV *self) |
4460 | awaited (SV *self) |
3898 | CODE: |
4461 | CODE: |
3899 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
4462 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
3900 | OUTPUT: |
4463 | OUTPUT: |
3901 | RETVAL |
4464 | RETVAL |
3902 | |
4465 | |
3903 | |
4466 | |
… | |
… | |
3908 | |
4471 | |
3909 | void |
4472 | void |
3910 | _schedule (...) |
4473 | _schedule (...) |
3911 | CODE: |
4474 | CODE: |
3912 | { |
4475 | { |
3913 | static int incede; |
4476 | static int incede; |
3914 | |
4477 | |
3915 | api_cede_notself (aTHX); |
4478 | api_cede_notself (aTHX); |
3916 | |
4479 | |
3917 | ++incede; |
4480 | ++incede; |
3918 | while (coro_nready >= incede && api_cede (aTHX)) |
4481 | while (coro_nready >= incede && api_cede (aTHX)) |
… | |
… | |
3962 | { |
4525 | { |
3963 | PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; |
4526 | PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; |
3964 | coro_old_pp_sselect = 0; |
4527 | coro_old_pp_sselect = 0; |
3965 | } |
4528 | } |
3966 | |
4529 | |
|
|
4530 | MODULE = Coro::State PACKAGE = Coro::Util |
|
|
4531 | |
|
|
4532 | void |
|
|
4533 | _exit (int code) |
|
|
4534 | CODE: |
|
|
4535 | _exit (code); |
|
|
4536 | |
|
|
4537 | NV |
|
|
4538 | time () |
|
|
4539 | CODE: |
|
|
4540 | RETVAL = nvtime (aTHX); |
|
|
4541 | OUTPUT: |
|
|
4542 | RETVAL |
|
|
4543 | |
|
|
4544 | NV |
|
|
4545 | gettimeofday () |
|
|
4546 | PPCODE: |
|
|
4547 | { |
|
|
4548 | UV tv [2]; |
|
|
4549 | u2time (aTHX_ tv); |
|
|
4550 | EXTEND (SP, 2); |
|
|
4551 | PUSHs (sv_2mortal (newSVuv (tv [0]))); |
|
|
4552 | PUSHs (sv_2mortal (newSVuv (tv [1]))); |
|
|
4553 | } |
|
|
4554 | |