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1 | /* this works around a bug in mingw32 providing a non-working setjmp */ |
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2 | #define USE_NO_MINGW_SETJMP_TWO_ARGS |
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3 | |
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4 | #define NDEBUG 1 /* perl usually disables NDEBUG later */ |
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5 | |
1 | #include "libcoro/coro.c" |
6 | #include "libcoro/coro.c" |
2 | |
7 | |
3 | #define PERL_NO_GET_CONTEXT |
8 | #define PERL_NO_GET_CONTEXT |
4 | #define PERL_EXT |
9 | #define PERL_EXT |
5 | |
10 | |
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8 | #include "XSUB.h" |
13 | #include "XSUB.h" |
9 | #include "perliol.h" |
14 | #include "perliol.h" |
10 | |
15 | |
11 | #include "schmorp.h" |
16 | #include "schmorp.h" |
12 | |
17 | |
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18 | #define ECB_NO_THREADS 1 |
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19 | #define ECB_NO_LIBM 1 |
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20 | #include "ecb.h" |
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21 | |
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22 | #include <stddef.h> |
13 | #include <stdio.h> |
23 | #include <stdio.h> |
14 | #include <errno.h> |
24 | #include <errno.h> |
15 | #include <assert.h> |
25 | #include <assert.h> |
16 | |
26 | |
17 | #ifdef WIN32 |
27 | #ifndef SvREFCNT_dec_NN |
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28 | #define SvREFCNT_dec_NN(sv) SvREFCNT_dec (sv) |
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29 | #endif |
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30 | |
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31 | #ifndef SvREFCNT_inc_NN |
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32 | #define SvREFCNT_inc_NN(sv) SvREFCNT_inc (sv) |
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33 | #endif |
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34 | |
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35 | #ifndef SVs_PADSTALE |
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36 | # define SVs_PADSTALE 0 |
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37 | #endif |
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38 | |
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39 | #ifdef PadARRAY |
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40 | # define NEWPADAPI 1 |
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41 | # define newPADLIST(var) (Newz (0, var, 1, PADLIST), Newx (PadlistARRAY (var), 2, PAD *)) |
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42 | #else |
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43 | typedef AV PADNAMELIST; |
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44 | # if !PERL_VERSION_ATLEAST(5,8,0) |
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45 | typedef AV PADLIST; |
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46 | typedef AV PAD; |
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47 | # endif |
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48 | # define PadlistARRAY(pl) ((PAD **)AvARRAY (pl)) |
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49 | # define PadlistMAX(pl) AvFILLp (pl) |
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50 | # define PadlistNAMES(pl) (*PadlistARRAY (pl)) |
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51 | # define PadARRAY AvARRAY |
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52 | # define PadMAX AvFILLp |
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53 | # define newPADLIST(var) ((var) = newAV (), av_extend (var, 1)) |
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54 | #endif |
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55 | #ifndef PadnamelistREFCNT |
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56 | # define PadnamelistREFCNT(pnl) SvREFCNT (pnl) |
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57 | #endif |
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58 | #ifndef PadnamelistREFCNT_dec |
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59 | # define PadnamelistREFCNT_dec(pnl) SvREFCNT_dec (pnl) |
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60 | #endif |
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61 | |
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62 | /* 5.19.something has replaced SVt_BIND by SVt_INVLIST */ |
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63 | /* we just alias it to SVt_IV, as that is sufficient for swap_sv for now */ |
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64 | #if PERL_VERSION_ATLEAST(5,19,0) |
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65 | # define SVt_BIND SVt_IV |
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66 | #endif |
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67 | |
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68 | #if defined(_WIN32) |
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69 | # undef HAS_GETTIMEOFDAY |
18 | # undef setjmp |
70 | # undef setjmp |
19 | # undef longjmp |
71 | # undef longjmp |
20 | # undef _exit |
72 | # undef _exit |
21 | # define setjmp _setjmp /* deep magic */ |
73 | # define setjmp _setjmp /* deep magic */ |
22 | #else |
74 | #else |
23 | # include <inttypes.h> /* most portable stdint.h */ |
75 | # include <inttypes.h> /* most portable stdint.h */ |
24 | #endif |
76 | #endif |
25 | |
77 | |
26 | #ifdef HAVE_MMAP |
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27 | # include <unistd.h> |
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28 | # include <sys/mman.h> |
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29 | # ifndef MAP_ANONYMOUS |
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30 | # ifdef MAP_ANON |
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31 | # define MAP_ANONYMOUS MAP_ANON |
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32 | # else |
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33 | # undef HAVE_MMAP |
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34 | # endif |
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35 | # endif |
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36 | # include <limits.h> |
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37 | # ifndef PAGESIZE |
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38 | # define PAGESIZE pagesize |
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39 | # define BOOT_PAGESIZE pagesize = sysconf (_SC_PAGESIZE) |
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40 | static long pagesize; |
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41 | # else |
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42 | # define BOOT_PAGESIZE (void)0 |
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43 | # endif |
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44 | #else |
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45 | # define PAGESIZE 0 |
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46 | # define BOOT_PAGESIZE (void)0 |
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47 | #endif |
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48 | |
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49 | #if CORO_USE_VALGRIND |
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50 | # include <valgrind/valgrind.h> |
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51 | #endif |
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52 | |
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53 | /* the maximum number of idle cctx that will be pooled */ |
78 | /* the maximum number of idle cctx that will be pooled */ |
54 | static int cctx_max_idle = 4; |
79 | static int cctx_max_idle = 4; |
55 | |
80 | |
56 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
81 | #if defined(DEBUGGING) && PERL_VERSION_ATLEAST(5,12,0) |
57 | # undef CORO_STACKGUARD |
82 | # define HAS_SCOPESTACK_NAME 1 |
58 | #endif |
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59 | |
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60 | #ifndef CORO_STACKGUARD |
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61 | # define CORO_STACKGUARD 0 |
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62 | #endif |
83 | #endif |
63 | |
84 | |
64 | /* prefer perl internal functions over our own? */ |
85 | /* prefer perl internal functions over our own? */ |
65 | #ifndef CORO_PREFER_PERL_FUNCTIONS |
86 | #ifndef CORO_PREFER_PERL_FUNCTIONS |
66 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
87 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
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76 | # define STACKLEVEL ((void *)&stacklevel) |
97 | # define STACKLEVEL ((void *)&stacklevel) |
77 | #endif |
98 | #endif |
78 | |
99 | |
79 | #define IN_DESTRUCT PL_dirty |
100 | #define IN_DESTRUCT PL_dirty |
80 | |
101 | |
81 | #if __GNUC__ >= 3 |
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82 | # define attribute(x) __attribute__(x) |
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83 | # define expect(expr,value) __builtin_expect ((expr), (value)) |
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84 | # define INLINE static inline |
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85 | #else |
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86 | # define attribute(x) |
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87 | # define expect(expr,value) (expr) |
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88 | # define INLINE static |
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89 | #endif |
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90 | |
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91 | #define expect_false(expr) expect ((expr) != 0, 0) |
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92 | #define expect_true(expr) expect ((expr) != 0, 1) |
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93 | |
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94 | #define NOINLINE attribute ((noinline)) |
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95 | |
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96 | #include "CoroAPI.h" |
102 | #include "CoroAPI.h" |
97 | #define GCoroAPI (&coroapi) /* very sneaky */ |
103 | #define GCoroAPI (&coroapi) /* very sneaky */ |
98 | |
104 | |
99 | #ifdef USE_ITHREADS |
105 | #ifdef USE_ITHREADS |
100 | # if CORO_PTHREAD |
106 | # if CORO_PTHREAD |
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116 | static void (*u2time)(pTHX_ UV ret[2]); |
122 | static void (*u2time)(pTHX_ UV ret[2]); |
117 | |
123 | |
118 | /* we hijack an hopefully unused CV flag for our purposes */ |
124 | /* we hijack an hopefully unused CV flag for our purposes */ |
119 | #define CVf_SLF 0x4000 |
125 | #define CVf_SLF 0x4000 |
120 | static OP *pp_slf (pTHX); |
126 | static OP *pp_slf (pTHX); |
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127 | static void slf_destroy (pTHX_ struct coro *coro); |
121 | |
128 | |
122 | static U32 cctx_gen; |
129 | static U32 cctx_gen; |
123 | static size_t cctx_stacksize = CORO_STACKSIZE; |
130 | static size_t cctx_stacksize = CORO_STACKSIZE; |
124 | static struct CoroAPI coroapi; |
131 | static struct CoroAPI coroapi; |
125 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
132 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
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142 | static SV *sv_pool_size; |
149 | static SV *sv_pool_size; |
143 | static SV *sv_async_pool_idle; /* description string */ |
150 | static SV *sv_async_pool_idle; /* description string */ |
144 | static AV *av_async_pool; /* idle pool */ |
151 | static AV *av_async_pool; /* idle pool */ |
145 | static SV *sv_Coro; /* class string */ |
152 | static SV *sv_Coro; /* class string */ |
146 | static CV *cv_pool_handler; |
153 | static CV *cv_pool_handler; |
147 | static CV *cv_coro_state_new; |
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148 | |
154 | |
149 | /* Coro::AnyEvent */ |
155 | /* Coro::AnyEvent */ |
150 | static SV *sv_activity; |
156 | static SV *sv_activity; |
151 | |
157 | |
152 | /* enable processtime/realtime profiling */ |
158 | /* enable processtime/realtime profiling */ |
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156 | static char times_valid; |
162 | static char times_valid; |
157 | |
163 | |
158 | static struct coro_cctx *cctx_first; |
164 | static struct coro_cctx *cctx_first; |
159 | static int cctx_count, cctx_idle; |
165 | static int cctx_count, cctx_idle; |
160 | |
166 | |
161 | enum { |
167 | enum |
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168 | { |
162 | CC_MAPPED = 0x01, |
169 | CC_MAPPED = 0x01, |
163 | CC_NOREUSE = 0x02, /* throw this away after tracing */ |
170 | CC_NOREUSE = 0x02, /* throw this away after tracing */ |
164 | CC_TRACE = 0x04, |
171 | CC_TRACE = 0x04, |
165 | CC_TRACE_SUB = 0x08, /* trace sub calls */ |
172 | CC_TRACE_SUB = 0x08, /* trace sub calls */ |
166 | CC_TRACE_LINE = 0x10, /* trace each statement */ |
173 | CC_TRACE_LINE = 0x10, /* trace each statement */ |
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171 | typedef struct coro_cctx |
178 | typedef struct coro_cctx |
172 | { |
179 | { |
173 | struct coro_cctx *next; |
180 | struct coro_cctx *next; |
174 | |
181 | |
175 | /* the stack */ |
182 | /* the stack */ |
176 | void *sptr; |
183 | struct coro_stack stack; |
177 | size_t ssize; |
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178 | |
184 | |
179 | /* cpu state */ |
185 | /* cpu state */ |
180 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
186 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
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187 | #ifndef NDEBUG |
181 | JMPENV *idle_te; /* same as idle_sp, but for top_env, TODO: remove once stable */ |
188 | JMPENV *idle_te; /* same as idle_sp, but for top_env */ |
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189 | #endif |
182 | JMPENV *top_env; |
190 | JMPENV *top_env; |
183 | coro_context cctx; |
191 | coro_context cctx; |
184 | |
192 | |
185 | U32 gen; |
193 | U32 gen; |
186 | #if CORO_USE_VALGRIND |
194 | #if CORO_USE_VALGRIND |
187 | int valgrind_id; |
195 | int valgrind_id; |
188 | #endif |
196 | #endif |
189 | unsigned char flags; |
197 | unsigned char flags; |
190 | } coro_cctx; |
198 | } coro_cctx; |
191 | |
199 | |
192 | coro_cctx *cctx_current; /* the currently running cctx */ |
200 | static coro_cctx *cctx_current; /* the currently running cctx */ |
193 | |
201 | |
194 | /*****************************************************************************/ |
202 | /*****************************************************************************/ |
195 | |
203 | |
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204 | static MGVTBL coro_state_vtbl; |
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205 | |
196 | enum { |
206 | enum |
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207 | { |
197 | CF_RUNNING = 0x0001, /* coroutine is running */ |
208 | CF_RUNNING = 0x0001, /* coroutine is running */ |
198 | CF_READY = 0x0002, /* coroutine is ready */ |
209 | CF_READY = 0x0002, /* coroutine is ready */ |
199 | CF_NEW = 0x0004, /* has never been switched to */ |
210 | CF_NEW = 0x0004, /* has never been switched to */ |
200 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
211 | CF_ZOMBIE = 0x0008, /* coroutine data has been freed */ |
201 | CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */ |
212 | CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */ |
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213 | CF_NOCANCEL = 0x0020, /* cannot cancel, set slf_frame.data to 1 (hackish) */ |
202 | }; |
214 | }; |
203 | |
215 | |
204 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
216 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
205 | typedef struct |
217 | typedef struct |
206 | { |
218 | { |
207 | SV *defsv; |
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208 | AV *defav; |
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209 | SV *errsv; |
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210 | SV *irsgv; |
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211 | HV *hinthv; |
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212 | #define VAR(name,type) type name; |
219 | #define VARx(name,expr,type) type name; |
213 | # include "state.h" |
220 | #include "state.h" |
214 | #undef VAR |
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215 | } perl_slots; |
221 | } perl_slots; |
216 | |
222 | |
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223 | /* how many context stack entries do we need for perl_slots */ |
217 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
224 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
218 | |
225 | |
219 | /* this is a structure representing a perl-level coroutine */ |
226 | /* this is a structure representing a perl-level coroutine */ |
220 | struct coro { |
227 | struct coro |
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228 | { |
221 | /* the C coroutine allocated to this perl coroutine, if any */ |
229 | /* the C coroutine allocated to this perl coroutine, if any */ |
222 | coro_cctx *cctx; |
230 | coro_cctx *cctx; |
223 | |
231 | |
224 | /* ready queue */ |
232 | /* ready queue */ |
225 | struct coro *next_ready; |
233 | struct coro *next_ready; |
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227 | /* state data */ |
235 | /* state data */ |
228 | struct CoroSLF slf_frame; /* saved slf frame */ |
236 | struct CoroSLF slf_frame; /* saved slf frame */ |
229 | AV *mainstack; |
237 | AV *mainstack; |
230 | perl_slots *slot; /* basically the saved sp */ |
238 | perl_slots *slot; /* basically the saved sp */ |
231 | |
239 | |
232 | CV *startcv; /* the CV to execute */ |
240 | CV *startcv; /* the CV to execute */ |
233 | AV *args; /* data associated with this coroutine (initial args) */ |
241 | AV *args; /* data associated with this coroutine (initial args) */ |
234 | int refcnt; /* coroutines are refcounted, yes */ |
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235 | int flags; /* CF_ flags */ |
242 | int flags; /* CF_ flags */ |
236 | HV *hv; /* the perl hash associated with this coro, if any */ |
243 | HV *hv; /* the perl hash associated with this coro, if any */ |
237 | void (*on_destroy)(pTHX_ struct coro *coro); |
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238 | |
244 | |
239 | /* statistics */ |
245 | /* statistics */ |
240 | int usecount; /* number of transfers to this coro */ |
246 | int usecount; /* number of transfers to this coro */ |
241 | |
247 | |
242 | /* coro process data */ |
248 | /* coro process data */ |
243 | int prio; |
249 | int prio; |
244 | SV *except; /* exception to be thrown */ |
250 | SV *except; /* exception to be thrown */ |
245 | SV *rouse_cb; |
251 | SV *rouse_cb; /* last rouse callback */ |
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252 | AV *on_destroy; /* callbacks or coros to notify on destroy */ |
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253 | AV *status; /* the exit status list */ |
246 | |
254 | |
247 | /* async_pool */ |
255 | /* async_pool */ |
248 | SV *saved_deffh; |
256 | SV *saved_deffh; |
249 | SV *invoke_cb; |
257 | SV *invoke_cb; |
250 | AV *invoke_av; |
258 | AV *invoke_av; |
251 | |
259 | |
252 | /* on_enter/on_leave */ |
260 | /* on_enter/on_leave */ |
253 | AV *on_enter; |
261 | AV *on_enter; AV *on_enter_xs; |
254 | AV *on_leave; |
262 | AV *on_leave; AV *on_leave_xs; |
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263 | |
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264 | /* swap_sv */ |
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265 | AV *swap_sv; |
255 | |
266 | |
256 | /* times */ |
267 | /* times */ |
257 | coro_ts t_cpu, t_real; |
268 | coro_ts t_cpu, t_real; |
258 | |
269 | |
259 | /* linked list */ |
270 | /* linked list */ |
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263 | typedef struct coro *Coro__State; |
274 | typedef struct coro *Coro__State; |
264 | typedef struct coro *Coro__State_or_hashref; |
275 | typedef struct coro *Coro__State_or_hashref; |
265 | |
276 | |
266 | /* the following variables are effectively part of the perl context */ |
277 | /* the following variables are effectively part of the perl context */ |
267 | /* and get copied between struct coro and these variables */ |
278 | /* and get copied between struct coro and these variables */ |
268 | /* the mainr easonw e don't support windows process emulation */ |
279 | /* the main reason we don't support windows process emulation */ |
269 | static struct CoroSLF slf_frame; /* the current slf frame */ |
280 | static struct CoroSLF slf_frame; /* the current slf frame */ |
270 | |
281 | |
271 | /** Coro ********************************************************************/ |
282 | /** Coro ********************************************************************/ |
272 | |
283 | |
273 | #define CORO_PRIO_MAX 3 |
284 | #define CORO_PRIO_MAX 3 |
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279 | |
290 | |
280 | /* for Coro.pm */ |
291 | /* for Coro.pm */ |
281 | static SV *coro_current; |
292 | static SV *coro_current; |
282 | static SV *coro_readyhook; |
293 | static SV *coro_readyhook; |
283 | static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ |
294 | static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ |
284 | static CV *cv_coro_run, *cv_coro_terminate; |
295 | static CV *cv_coro_run; |
285 | static struct coro *coro_first; |
296 | static struct coro *coro_first; |
286 | #define coro_nready coroapi.nready |
297 | #define coro_nready coroapi.nready |
287 | |
298 | |
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299 | /** JIT *********************************************************************/ |
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300 | |
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301 | #if CORO_JIT |
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302 | /* APPLE doesn't have mmap though */ |
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303 | #define CORO_JIT_UNIXY (__linux || __FreeBSD__ || __OpenBSD__ || __NetBSD__ || __solaris || __APPLE__) |
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304 | #ifndef CORO_JIT_TYPE |
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305 | #if ECB_AMD64 && CORO_JIT_UNIXY |
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306 | #define CORO_JIT_TYPE "amd64-unix" |
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307 | #elif __i386 && CORO_JIT_UNIXY |
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308 | #define CORO_JIT_TYPE "x86-unix" |
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309 | #endif |
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310 | #endif |
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311 | #endif |
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312 | |
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313 | #if !defined(CORO_JIT_TYPE) || _POSIX_MEMORY_PROTECTION <= 0 |
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314 | #undef CORO_JIT |
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315 | #endif |
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316 | |
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317 | #if CORO_JIT |
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318 | typedef void (*load_save_perl_slots_type)(perl_slots *); |
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319 | static load_save_perl_slots_type load_perl_slots, save_perl_slots; |
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320 | #endif |
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321 | |
288 | /** Coro::Select ************************************************************/ |
322 | /** Coro::Select ************************************************************/ |
289 | |
323 | |
290 | static OP *(*coro_old_pp_sselect) (pTHX); |
324 | static OP *(*coro_old_pp_sselect) (pTHX); |
291 | static SV *coro_select_select; |
325 | static SV *coro_select_select; |
292 | |
326 | |
293 | /* horrible hack, but if it works... */ |
327 | /* horrible hack, but if it works... */ |
294 | static OP * |
328 | static OP * |
295 | coro_pp_sselect (aTHX) |
329 | coro_pp_sselect (pTHX) |
296 | { |
330 | { |
297 | dSP; |
331 | dSP; |
298 | PUSHMARK (SP - 4); /* fake argument list */ |
332 | PUSHMARK (SP - 4); /* fake argument list */ |
299 | XPUSHs (coro_select_select); |
333 | XPUSHs (coro_select_select); |
300 | PUTBACK; |
334 | PUTBACK; |
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303 | PL_op->op_flags |= OPf_STACKED; |
337 | PL_op->op_flags |= OPf_STACKED; |
304 | PL_op->op_private = 0; |
338 | PL_op->op_private = 0; |
305 | return PL_ppaddr [OP_ENTERSUB](aTHX); |
339 | return PL_ppaddr [OP_ENTERSUB](aTHX); |
306 | } |
340 | } |
307 | |
341 | |
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342 | /** time stuff **************************************************************/ |
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343 | |
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344 | #ifdef HAS_GETTIMEOFDAY |
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345 | |
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346 | ecb_inline void |
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347 | coro_u2time (pTHX_ UV ret[2]) |
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348 | { |
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349 | struct timeval tv; |
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350 | gettimeofday (&tv, 0); |
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351 | |
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352 | ret [0] = tv.tv_sec; |
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353 | ret [1] = tv.tv_usec; |
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354 | } |
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355 | |
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356 | ecb_inline double |
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357 | coro_nvtime (void) |
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358 | { |
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359 | struct timeval tv; |
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360 | gettimeofday (&tv, 0); |
|
|
361 | |
|
|
362 | return tv.tv_sec + tv.tv_usec * 1e-6; |
|
|
363 | } |
|
|
364 | |
|
|
365 | ecb_inline void |
|
|
366 | time_init (pTHX) |
|
|
367 | { |
|
|
368 | nvtime = coro_nvtime; |
|
|
369 | u2time = coro_u2time; |
|
|
370 | } |
|
|
371 | |
|
|
372 | #else |
|
|
373 | |
|
|
374 | ecb_inline void |
|
|
375 | time_init (pTHX) |
|
|
376 | { |
|
|
377 | SV **svp; |
|
|
378 | |
|
|
379 | require_pv ("Time/HiRes.pm"); |
|
|
380 | |
|
|
381 | svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
|
|
382 | |
|
|
383 | if (!svp) croak ("Time::HiRes is required, but missing. Caught"); |
|
|
384 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer. Caught"); |
|
|
385 | |
|
|
386 | nvtime = INT2PTR (double (*)(), SvIV (*svp)); |
|
|
387 | |
|
|
388 | svp = hv_fetch (PL_modglobal, "Time::U2time", 12, 0); |
|
|
389 | u2time = INT2PTR (void (*)(pTHX_ UV ret[2]), SvIV (*svp)); |
|
|
390 | } |
|
|
391 | |
|
|
392 | #endif |
|
|
393 | |
308 | /** lowlevel stuff **********************************************************/ |
394 | /** lowlevel stuff **********************************************************/ |
309 | |
395 | |
310 | static SV * |
396 | static SV * ecb_noinline |
311 | coro_get_sv (pTHX_ const char *name, int create) |
397 | coro_get_sv (pTHX_ const char *name, int create) |
312 | { |
398 | { |
313 | #if PERL_VERSION_ATLEAST (5,10,0) |
399 | #if PERL_VERSION_ATLEAST (5,10,0) |
314 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
400 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
315 | get_sv (name, create); |
401 | get_sv (name, create); |
316 | #endif |
402 | #endif |
317 | return get_sv (name, create); |
403 | return get_sv (name, create); |
318 | } |
404 | } |
319 | |
405 | |
320 | static AV * |
406 | static AV * ecb_noinline |
321 | coro_get_av (pTHX_ const char *name, int create) |
407 | coro_get_av (pTHX_ const char *name, int create) |
322 | { |
408 | { |
323 | #if PERL_VERSION_ATLEAST (5,10,0) |
409 | #if PERL_VERSION_ATLEAST (5,10,0) |
324 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
410 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
325 | get_av (name, create); |
411 | get_av (name, create); |
326 | #endif |
412 | #endif |
327 | return get_av (name, create); |
413 | return get_av (name, create); |
328 | } |
414 | } |
329 | |
415 | |
330 | static HV * |
416 | static HV * ecb_noinline |
331 | coro_get_hv (pTHX_ const char *name, int create) |
417 | coro_get_hv (pTHX_ const char *name, int create) |
332 | { |
418 | { |
333 | #if PERL_VERSION_ATLEAST (5,10,0) |
419 | #if PERL_VERSION_ATLEAST (5,10,0) |
334 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
420 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
335 | get_hv (name, create); |
421 | get_hv (name, create); |
336 | #endif |
422 | #endif |
337 | return get_hv (name, create); |
423 | return get_hv (name, create); |
338 | } |
424 | } |
339 | |
425 | |
340 | INLINE void |
426 | ecb_inline void |
341 | coro_times_update () |
427 | coro_times_update (void) |
342 | { |
428 | { |
343 | #ifdef coro_clock_gettime |
429 | #ifdef coro_clock_gettime |
344 | struct timespec ts; |
430 | struct timespec ts; |
345 | |
431 | |
346 | ts.tv_sec = ts.tv_nsec = 0; |
432 | ts.tv_sec = ts.tv_nsec = 0; |
… | |
… | |
358 | time_real [0] = tv [0]; |
444 | time_real [0] = tv [0]; |
359 | time_real [1] = tv [1] * 1000; |
445 | time_real [1] = tv [1] * 1000; |
360 | #endif |
446 | #endif |
361 | } |
447 | } |
362 | |
448 | |
363 | INLINE void |
449 | ecb_inline void |
364 | coro_times_add (struct coro *c) |
450 | coro_times_add (struct coro *c) |
365 | { |
451 | { |
366 | c->t_real [1] += time_real [1]; |
452 | c->t_real [1] += time_real [1]; |
367 | if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } |
453 | if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } |
368 | c->t_real [0] += time_real [0]; |
454 | c->t_real [0] += time_real [0]; |
… | |
… | |
370 | c->t_cpu [1] += time_cpu [1]; |
456 | c->t_cpu [1] += time_cpu [1]; |
371 | if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } |
457 | if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } |
372 | c->t_cpu [0] += time_cpu [0]; |
458 | c->t_cpu [0] += time_cpu [0]; |
373 | } |
459 | } |
374 | |
460 | |
375 | INLINE void |
461 | ecb_inline void |
376 | coro_times_sub (struct coro *c) |
462 | coro_times_sub (struct coro *c) |
377 | { |
463 | { |
378 | if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } |
464 | if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } |
379 | c->t_real [1] -= time_real [1]; |
465 | c->t_real [1] -= time_real [1]; |
380 | c->t_real [0] -= time_real [0]; |
466 | c->t_real [0] -= time_real [0]; |
… | |
… | |
388 | /* magic glue */ |
474 | /* magic glue */ |
389 | |
475 | |
390 | #define CORO_MAGIC_type_cv 26 |
476 | #define CORO_MAGIC_type_cv 26 |
391 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
477 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
392 | |
478 | |
393 | #define CORO_MAGIC_NN(sv, type) \ |
479 | #define CORO_MAGIC_NN(sv, type) \ |
394 | (expect_true (SvMAGIC (sv)->mg_type == type) \ |
480 | (ecb_expect_true (SvMAGIC (sv)->mg_type == type) \ |
395 | ? SvMAGIC (sv) \ |
481 | ? SvMAGIC (sv) \ |
396 | : mg_find (sv, type)) |
482 | : mg_find (sv, type)) |
397 | |
483 | |
398 | #define CORO_MAGIC(sv, type) \ |
484 | #define CORO_MAGIC(sv, type) \ |
399 | (expect_true (SvMAGIC (sv)) \ |
485 | (ecb_expect_true (SvMAGIC (sv)) \ |
400 | ? CORO_MAGIC_NN (sv, type) \ |
486 | ? CORO_MAGIC_NN (sv, type) \ |
401 | : 0) |
487 | : 0) |
402 | |
488 | |
403 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
489 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
404 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
490 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
405 | |
491 | |
406 | INLINE struct coro * |
492 | ecb_inline MAGIC * |
407 | SvSTATE_ (pTHX_ SV *coro) |
493 | SvSTATEhv_p (pTHX_ SV *coro) |
408 | { |
494 | { |
409 | HV *stash; |
|
|
410 | MAGIC *mg; |
495 | MAGIC *mg; |
411 | |
496 | |
|
|
497 | if (ecb_expect_true ( |
|
|
498 | SvTYPE (coro) == SVt_PVHV |
|
|
499 | && (mg = CORO_MAGIC_state (coro)) |
|
|
500 | && mg->mg_virtual == &coro_state_vtbl |
|
|
501 | )) |
|
|
502 | return mg; |
|
|
503 | |
|
|
504 | return 0; |
|
|
505 | } |
|
|
506 | |
|
|
507 | ecb_inline struct coro * |
|
|
508 | SvSTATE_ (pTHX_ SV *coro_sv) |
|
|
509 | { |
|
|
510 | MAGIC *mg; |
|
|
511 | |
412 | if (SvROK (coro)) |
512 | if (SvROK (coro_sv)) |
413 | coro = SvRV (coro); |
513 | coro_sv = SvRV (coro_sv); |
414 | |
514 | |
415 | if (expect_false (SvTYPE (coro) != SVt_PVHV)) |
515 | mg = SvSTATEhv_p (aTHX_ coro_sv); |
|
|
516 | if (!mg) |
416 | croak ("Coro::State object required"); |
517 | croak ("Coro::State object required"); |
417 | |
518 | |
418 | stash = SvSTASH (coro); |
|
|
419 | if (expect_false (stash != coro_stash && stash != coro_state_stash)) |
|
|
420 | { |
|
|
421 | /* very slow, but rare, check */ |
|
|
422 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
|
|
423 | croak ("Coro::State object required"); |
|
|
424 | } |
|
|
425 | |
|
|
426 | mg = CORO_MAGIC_state (coro); |
|
|
427 | return (struct coro *)mg->mg_ptr; |
519 | return (struct coro *)mg->mg_ptr; |
428 | } |
520 | } |
429 | |
521 | |
430 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
522 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
431 | |
523 | |
… | |
… | |
434 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
526 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
435 | |
527 | |
436 | /*****************************************************************************/ |
528 | /*****************************************************************************/ |
437 | /* padlist management and caching */ |
529 | /* padlist management and caching */ |
438 | |
530 | |
439 | static AV * |
531 | ecb_inline PADLIST * |
440 | coro_derive_padlist (pTHX_ CV *cv) |
532 | coro_derive_padlist (pTHX_ CV *cv) |
441 | { |
533 | { |
442 | AV *padlist = CvPADLIST (cv); |
534 | PADLIST *padlist = CvPADLIST (cv); |
443 | AV *newpadlist, *newpad; |
535 | PADLIST *newpadlist; |
|
|
536 | PADNAMELIST *padnames; |
|
|
537 | PAD *newpad; |
|
|
538 | PADOFFSET off = PadlistMAX (padlist) + 1; |
444 | |
539 | |
445 | newpadlist = newAV (); |
540 | #if NEWPADAPI |
|
|
541 | |
|
|
542 | /* if we had the original CvDEPTH, we might be able to steal the CvDEPTH+1 entry instead */ |
|
|
543 | /* 20131102194744.GA6705@schmorp.de, 20131102195825.2013.qmail@lists-nntp.develooper.com */ |
|
|
544 | while (!PadlistARRAY (padlist)[off - 1]) |
|
|
545 | --off; |
|
|
546 | |
|
|
547 | Perl_pad_push (aTHX_ padlist, off); |
|
|
548 | |
|
|
549 | newpad = PadlistARRAY (padlist)[off]; |
|
|
550 | PadlistARRAY (padlist)[off] = 0; |
|
|
551 | |
|
|
552 | #else |
|
|
553 | |
|
|
554 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
555 | Perl_pad_push (aTHX_ padlist, off); |
|
|
556 | #else |
|
|
557 | Perl_pad_push (aTHX_ padlist, off, 1); |
|
|
558 | #endif |
|
|
559 | |
|
|
560 | newpad = PadlistARRAY (padlist)[off]; |
|
|
561 | PadlistMAX (padlist) = off - 1; |
|
|
562 | |
|
|
563 | #endif |
|
|
564 | |
|
|
565 | newPADLIST (newpadlist); |
|
|
566 | #if !PERL_VERSION_ATLEAST(5,15,3) |
|
|
567 | /* Padlists are AvREAL as of 5.15.3. See perl bug #98092 and perl commit 7d953ba. */ |
446 | AvREAL_off (newpadlist); |
568 | AvREAL_off (newpadlist); |
447 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
448 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1); |
|
|
449 | #else |
|
|
450 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
|
|
451 | #endif |
569 | #endif |
452 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
|
|
453 | --AvFILLp (padlist); |
|
|
454 | |
570 | |
455 | av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0])); |
571 | /* Already extended to 2 elements by newPADLIST. */ |
456 | av_store (newpadlist, 1, (SV *)newpad); |
572 | PadlistMAX (newpadlist) = 1; |
|
|
573 | |
|
|
574 | padnames = PadlistNAMES (padlist); |
|
|
575 | ++PadnamelistREFCNT (padnames); |
|
|
576 | PadlistNAMES (newpadlist) = padnames; |
|
|
577 | |
|
|
578 | PadlistARRAY (newpadlist)[1] = newpad; |
457 | |
579 | |
458 | return newpadlist; |
580 | return newpadlist; |
459 | } |
581 | } |
460 | |
582 | |
461 | static void |
583 | ecb_inline void |
462 | free_padlist (pTHX_ AV *padlist) |
584 | free_padlist (pTHX_ PADLIST *padlist) |
463 | { |
585 | { |
464 | /* may be during global destruction */ |
586 | /* may be during global destruction */ |
465 | if (!IN_DESTRUCT) |
587 | if (!IN_DESTRUCT) |
466 | { |
588 | { |
467 | I32 i = AvFILLp (padlist); |
589 | I32 i = PadlistMAX (padlist); |
468 | |
590 | |
469 | while (i > 0) /* special-case index 0 */ |
591 | while (i > 0) /* special-case index 0 */ |
470 | { |
592 | { |
471 | /* we try to be extra-careful here */ |
593 | /* we try to be extra-careful here */ |
472 | AV *av = (AV *)AvARRAY (padlist)[i--]; |
594 | PAD *pad = PadlistARRAY (padlist)[i--]; |
473 | I32 j = AvFILLp (av); |
|
|
474 | |
595 | |
|
|
596 | if (pad) |
|
|
597 | { |
|
|
598 | I32 j = PadMAX (pad); |
|
|
599 | |
475 | while (j >= 0) |
600 | while (j >= 0) |
476 | SvREFCNT_dec (AvARRAY (av)[j--]); |
601 | SvREFCNT_dec (PadARRAY (pad)[j--]); |
477 | |
602 | |
478 | AvFILLp (av) = -1; |
603 | PadMAX (pad) = -1; |
479 | SvREFCNT_dec (av); |
604 | SvREFCNT_dec (pad); |
|
|
605 | } |
480 | } |
606 | } |
481 | |
607 | |
482 | SvREFCNT_dec (AvARRAY (padlist)[0]); |
608 | PadnamelistREFCNT_dec (PadlistNAMES (padlist)); |
483 | |
609 | |
|
|
610 | #if NEWPADAPI |
|
|
611 | Safefree (PadlistARRAY (padlist)); |
|
|
612 | Safefree (padlist); |
|
|
613 | #else |
484 | AvFILLp (padlist) = -1; |
614 | AvFILLp (padlist) = -1; |
|
|
615 | AvREAL_off (padlist); |
485 | SvREFCNT_dec ((SV*)padlist); |
616 | SvREFCNT_dec ((SV*)padlist); |
|
|
617 | #endif |
486 | } |
618 | } |
487 | } |
619 | } |
488 | |
620 | |
489 | static int |
621 | static int |
490 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
622 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
491 | { |
623 | { |
492 | AV *padlist; |
624 | PADLIST *padlist; |
493 | AV *av = (AV *)mg->mg_obj; |
625 | PADLIST **padlists = (PADLIST **)(mg->mg_ptr + sizeof(size_t)); |
|
|
626 | size_t len = *(size_t *)mg->mg_ptr; |
494 | |
627 | |
495 | /* perl manages to free our internal AV and _then_ call us */ |
628 | /* perl manages to free our internal AV and _then_ call us */ |
496 | if (IN_DESTRUCT) |
629 | if (IN_DESTRUCT) |
497 | return 0; |
630 | return 0; |
498 | |
631 | |
499 | /* casting is fun. */ |
632 | while (len--) |
500 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
|
|
501 | free_padlist (aTHX_ padlist); |
633 | free_padlist (aTHX_ padlists[len]); |
502 | |
|
|
503 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
|
|
504 | |
634 | |
505 | return 0; |
635 | return 0; |
506 | } |
636 | } |
507 | |
637 | |
508 | static MGVTBL coro_cv_vtbl = { |
638 | static MGVTBL coro_cv_vtbl = { |
509 | 0, 0, 0, 0, |
639 | 0, 0, 0, 0, |
510 | coro_cv_free |
640 | coro_cv_free |
511 | }; |
641 | }; |
512 | |
642 | |
513 | /* the next two functions merely cache the padlists */ |
643 | /* the next two functions merely cache the padlists */ |
514 | static void |
644 | ecb_inline void |
515 | get_padlist (pTHX_ CV *cv) |
645 | get_padlist (pTHX_ CV *cv) |
516 | { |
646 | { |
517 | MAGIC *mg = CORO_MAGIC_cv (cv); |
647 | MAGIC *mg = CORO_MAGIC_cv (cv); |
518 | AV *av; |
648 | size_t *lenp; |
519 | |
649 | |
520 | if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
650 | if (ecb_expect_true (mg && *(lenp = (size_t *)mg->mg_ptr))) |
521 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
651 | CvPADLIST (cv) = ((PADLIST **)(mg->mg_ptr + sizeof(size_t)))[--*lenp]; |
522 | else |
652 | else |
523 | { |
653 | { |
524 | #if CORO_PREFER_PERL_FUNCTIONS |
654 | #if CORO_PREFER_PERL_FUNCTIONS |
525 | /* this is probably cleaner? but also slower! */ |
655 | /* this is probably cleaner? but also slower! */ |
526 | /* in practise, it seems to be less stable */ |
656 | /* in practise, it seems to be less stable */ |
… | |
… | |
532 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
662 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
533 | #endif |
663 | #endif |
534 | } |
664 | } |
535 | } |
665 | } |
536 | |
666 | |
537 | static void |
667 | ecb_inline void |
538 | put_padlist (pTHX_ CV *cv) |
668 | put_padlist (pTHX_ CV *cv) |
539 | { |
669 | { |
540 | MAGIC *mg = CORO_MAGIC_cv (cv); |
670 | MAGIC *mg = CORO_MAGIC_cv (cv); |
541 | AV *av; |
|
|
542 | |
671 | |
543 | if (expect_false (!mg)) |
672 | if (ecb_expect_false (!mg)) |
|
|
673 | { |
544 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
674 | mg = sv_magicext ((SV *)cv, 0, CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
|
|
675 | Newz (0, mg->mg_ptr ,sizeof (size_t) + sizeof (PADLIST *), char); |
|
|
676 | mg->mg_len = 1; /* so mg_free frees mg_ptr */ |
|
|
677 | } |
|
|
678 | else |
|
|
679 | Renew (mg->mg_ptr, |
|
|
680 | sizeof(size_t) + (*(size_t *)mg->mg_ptr + 1) * sizeof(PADLIST *), |
|
|
681 | char); |
545 | |
682 | |
546 | av = (AV *)mg->mg_obj; |
683 | ((PADLIST **)(mg->mg_ptr + sizeof (size_t))) [(*(size_t *)mg->mg_ptr)++] = CvPADLIST (cv); |
547 | |
|
|
548 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
|
|
549 | av_extend (av, AvFILLp (av) + 1); |
|
|
550 | |
|
|
551 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
|
|
552 | } |
684 | } |
553 | |
685 | |
554 | /** load & save, init *******************************************************/ |
686 | /** load & save, init *******************************************************/ |
|
|
687 | |
|
|
688 | ecb_inline void |
|
|
689 | swap_sv (SV *a, SV *b) |
|
|
690 | { |
|
|
691 | const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */ |
|
|
692 | SV tmp; |
|
|
693 | |
|
|
694 | /* swap sv_any */ |
|
|
695 | SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp); |
|
|
696 | |
|
|
697 | /* swap sv_flags */ |
|
|
698 | SvFLAGS (&tmp) = SvFLAGS (a); |
|
|
699 | SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep); |
|
|
700 | SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep); |
|
|
701 | |
|
|
702 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
703 | /* perl 5.10 and later complicates this _quite_ a bit, but it also |
|
|
704 | * is much faster, so no quarrels here. alternatively, we could |
|
|
705 | * sv_upgrade to avoid this. |
|
|
706 | */ |
|
|
707 | { |
|
|
708 | /* swap sv_u */ |
|
|
709 | tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u; |
|
|
710 | |
|
|
711 | /* if SvANY points to the head, we need to adjust the pointers, |
|
|
712 | * as the pointer for a still points to b, and maybe vice versa. |
|
|
713 | */ |
|
|
714 | #define svany_in_head(type) \ |
|
|
715 | (((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type))) |
|
|
716 | |
|
|
717 | if (svany_in_head (SvTYPE (a))) |
|
|
718 | SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a); |
|
|
719 | |
|
|
720 | if (svany_in_head (SvTYPE (b))) |
|
|
721 | SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b); |
|
|
722 | } |
|
|
723 | #endif |
|
|
724 | } |
|
|
725 | |
|
|
726 | /* swap sv heads, at least logically */ |
|
|
727 | static void |
|
|
728 | swap_svs (pTHX_ Coro__State c) |
|
|
729 | { |
|
|
730 | int i; |
|
|
731 | |
|
|
732 | for (i = 0; i <= AvFILLp (c->swap_sv); i += 2) |
|
|
733 | swap_sv (AvARRAY (c->swap_sv)[i], AvARRAY (c->swap_sv)[i + 1]); |
|
|
734 | } |
|
|
735 | |
|
|
736 | #define SWAP_SVS(coro) \ |
|
|
737 | if (ecb_expect_false ((coro)->swap_sv)) \ |
|
|
738 | swap_svs (aTHX_ (coro)) |
555 | |
739 | |
556 | static void |
740 | static void |
557 | on_enterleave_call (pTHX_ SV *cb); |
741 | on_enterleave_call (pTHX_ SV *cb); |
558 | |
742 | |
559 | static void |
743 | static void |
… | |
… | |
562 | perl_slots *slot = c->slot; |
746 | perl_slots *slot = c->slot; |
563 | c->slot = 0; |
747 | c->slot = 0; |
564 | |
748 | |
565 | PL_mainstack = c->mainstack; |
749 | PL_mainstack = c->mainstack; |
566 | |
750 | |
567 | GvSV (PL_defgv) = slot->defsv; |
751 | #if CORO_JIT |
568 | GvAV (PL_defgv) = slot->defav; |
752 | load_perl_slots (slot); |
569 | GvSV (PL_errgv) = slot->errsv; |
753 | #else |
570 | GvSV (irsgv) = slot->irsgv; |
|
|
571 | GvHV (PL_hintgv) = slot->hinthv; |
|
|
572 | |
|
|
573 | #define VAR(name,type) PL_ ## name = slot->name; |
754 | #define VARx(name,expr,type) expr = slot->name; |
574 | # include "state.h" |
755 | #include "state.h" |
575 | #undef VAR |
756 | #endif |
576 | |
757 | |
577 | { |
758 | { |
578 | dSP; |
759 | dSP; |
579 | |
760 | |
580 | CV *cv; |
761 | CV *cv; |
581 | |
762 | |
582 | /* now do the ugly restore mess */ |
763 | /* now do the ugly restore mess */ |
583 | while (expect_true (cv = (CV *)POPs)) |
764 | while (ecb_expect_true (cv = (CV *)POPs)) |
584 | { |
765 | { |
585 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
766 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
586 | CvDEPTH (cv) = PTR2IV (POPs); |
767 | CvDEPTH (cv) = PTR2IV (POPs); |
587 | CvPADLIST (cv) = (AV *)POPs; |
768 | CvPADLIST (cv) = (PADLIST *)POPs; |
588 | } |
769 | } |
589 | |
770 | |
590 | PUTBACK; |
771 | PUTBACK; |
591 | } |
772 | } |
592 | |
773 | |
593 | slf_frame = c->slf_frame; |
774 | slf_frame = c->slf_frame; |
594 | CORO_THROW = c->except; |
775 | CORO_THROW = c->except; |
595 | |
776 | |
596 | if (expect_false (enable_times)) |
777 | if (ecb_expect_false (enable_times)) |
597 | { |
778 | { |
598 | if (expect_false (!times_valid)) |
779 | if (ecb_expect_false (!times_valid)) |
599 | coro_times_update (); |
780 | coro_times_update (); |
600 | |
781 | |
601 | coro_times_sub (c); |
782 | coro_times_sub (c); |
602 | } |
783 | } |
603 | |
784 | |
604 | if (expect_false (c->on_enter)) |
785 | if (ecb_expect_false (c->on_enter)) |
605 | { |
786 | { |
606 | int i; |
787 | int i; |
607 | |
788 | |
608 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
789 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
609 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
790 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
610 | } |
791 | } |
|
|
792 | |
|
|
793 | if (ecb_expect_false (c->on_enter_xs)) |
|
|
794 | { |
|
|
795 | int i; |
|
|
796 | |
|
|
797 | for (i = 0; i <= AvFILLp (c->on_enter_xs); i += 2) |
|
|
798 | ((coro_enterleave_hook)AvARRAY (c->on_enter_xs)[i]) (aTHX_ AvARRAY (c->on_enter_xs)[i + 1]); |
|
|
799 | } |
|
|
800 | |
|
|
801 | SWAP_SVS (c); |
611 | } |
802 | } |
612 | |
803 | |
613 | static void |
804 | static void |
614 | save_perl (pTHX_ Coro__State c) |
805 | save_perl (pTHX_ Coro__State c) |
615 | { |
806 | { |
|
|
807 | SWAP_SVS (c); |
|
|
808 | |
|
|
809 | if (ecb_expect_false (c->on_leave_xs)) |
|
|
810 | { |
|
|
811 | int i; |
|
|
812 | |
|
|
813 | for (i = AvFILLp (c->on_leave_xs) - 1; i >= 0; i -= 2) |
|
|
814 | ((coro_enterleave_hook)AvARRAY (c->on_leave_xs)[i]) (aTHX_ AvARRAY (c->on_leave_xs)[i + 1]); |
|
|
815 | } |
|
|
816 | |
616 | if (expect_false (c->on_leave)) |
817 | if (ecb_expect_false (c->on_leave)) |
617 | { |
818 | { |
618 | int i; |
819 | int i; |
619 | |
820 | |
620 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
821 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
621 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
822 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
622 | } |
823 | } |
623 | |
824 | |
624 | times_valid = 0; |
825 | times_valid = 0; |
625 | |
826 | |
626 | if (expect_false (enable_times)) |
827 | if (ecb_expect_false (enable_times)) |
627 | { |
828 | { |
628 | coro_times_update (); times_valid = 1; |
829 | coro_times_update (); times_valid = 1; |
629 | coro_times_add (c); |
830 | coro_times_add (c); |
630 | } |
831 | } |
631 | |
832 | |
… | |
… | |
645 | |
846 | |
646 | XPUSHs (Nullsv); |
847 | XPUSHs (Nullsv); |
647 | /* this loop was inspired by pp_caller */ |
848 | /* this loop was inspired by pp_caller */ |
648 | for (;;) |
849 | for (;;) |
649 | { |
850 | { |
650 | while (expect_true (cxix >= 0)) |
851 | while (ecb_expect_true (cxix >= 0)) |
651 | { |
852 | { |
652 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
853 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
653 | |
854 | |
654 | if (expect_true (CxTYPE (cx) == CXt_SUB) || expect_false (CxTYPE (cx) == CXt_FORMAT)) |
855 | if (ecb_expect_true (CxTYPE (cx) == CXt_SUB) || ecb_expect_false (CxTYPE (cx) == CXt_FORMAT)) |
655 | { |
856 | { |
656 | CV *cv = cx->blk_sub.cv; |
857 | CV *cv = cx->blk_sub.cv; |
657 | |
858 | |
658 | if (expect_true (CvDEPTH (cv))) |
859 | if (ecb_expect_true (CvDEPTH (cv))) |
659 | { |
860 | { |
660 | EXTEND (SP, 3); |
861 | EXTEND (SP, 3); |
661 | PUSHs ((SV *)CvPADLIST (cv)); |
862 | PUSHs ((SV *)CvPADLIST (cv)); |
662 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
863 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
663 | PUSHs ((SV *)cv); |
864 | PUSHs ((SV *)cv); |
… | |
… | |
666 | get_padlist (aTHX_ cv); |
867 | get_padlist (aTHX_ cv); |
667 | } |
868 | } |
668 | } |
869 | } |
669 | } |
870 | } |
670 | |
871 | |
671 | if (expect_true (top_si->si_type == PERLSI_MAIN)) |
872 | if (ecb_expect_true (top_si->si_type == PERLSI_MAIN)) |
672 | break; |
873 | break; |
673 | |
874 | |
674 | top_si = top_si->si_prev; |
875 | top_si = top_si->si_prev; |
675 | ccstk = top_si->si_cxstack; |
876 | ccstk = top_si->si_cxstack; |
676 | cxix = top_si->si_cxix; |
877 | cxix = top_si->si_cxix; |
… | |
… | |
678 | |
879 | |
679 | PUTBACK; |
880 | PUTBACK; |
680 | } |
881 | } |
681 | |
882 | |
682 | /* allocate some space on the context stack for our purposes */ |
883 | /* allocate some space on the context stack for our purposes */ |
683 | /* we manually unroll here, as usually 2 slots is enough */ |
884 | if (ecb_expect_false (cxstack_ix + (int)SLOT_COUNT >= cxstack_max)) |
684 | if (SLOT_COUNT >= 1) CXINC; |
|
|
685 | if (SLOT_COUNT >= 2) CXINC; |
|
|
686 | if (SLOT_COUNT >= 3) CXINC; |
|
|
687 | { |
885 | { |
688 | unsigned int i; |
886 | unsigned int i; |
|
|
887 | |
689 | for (i = 3; i < SLOT_COUNT; ++i) |
888 | for (i = 0; i < SLOT_COUNT; ++i) |
690 | CXINC; |
889 | CXINC; |
691 | } |
890 | |
692 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
891 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
|
|
892 | } |
693 | |
893 | |
694 | c->mainstack = PL_mainstack; |
894 | c->mainstack = PL_mainstack; |
695 | |
895 | |
696 | { |
896 | { |
697 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
897 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
698 | |
898 | |
699 | slot->defav = GvAV (PL_defgv); |
899 | #if CORO_JIT |
700 | slot->defsv = DEFSV; |
900 | save_perl_slots (slot); |
701 | slot->errsv = ERRSV; |
901 | #else |
702 | slot->irsgv = GvSV (irsgv); |
|
|
703 | slot->hinthv = GvHV (PL_hintgv); |
|
|
704 | |
|
|
705 | #define VAR(name,type) slot->name = PL_ ## name; |
902 | #define VARx(name,expr,type) slot->name = expr; |
706 | # include "state.h" |
903 | #include "state.h" |
707 | #undef VAR |
904 | #endif |
708 | } |
905 | } |
709 | } |
906 | } |
710 | |
907 | |
711 | /* |
908 | /* |
712 | * allocate various perl stacks. This is almost an exact copy |
909 | * allocate various perl stacks. This is almost an exact copy |
… | |
… | |
718 | # define coro_init_stacks(thx) init_stacks () |
915 | # define coro_init_stacks(thx) init_stacks () |
719 | #else |
916 | #else |
720 | static void |
917 | static void |
721 | coro_init_stacks (pTHX) |
918 | coro_init_stacks (pTHX) |
722 | { |
919 | { |
723 | PL_curstackinfo = new_stackinfo(32, 8); |
920 | PL_curstackinfo = new_stackinfo(32, 4 + SLOT_COUNT); /* 3 is minimum due to perl rounding down in scope.c:GROW() */ |
724 | PL_curstackinfo->si_type = PERLSI_MAIN; |
921 | PL_curstackinfo->si_type = PERLSI_MAIN; |
725 | PL_curstack = PL_curstackinfo->si_stack; |
922 | PL_curstack = PL_curstackinfo->si_stack; |
726 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
923 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
727 | |
924 | |
728 | PL_stack_base = AvARRAY(PL_curstack); |
925 | PL_stack_base = AvARRAY(PL_curstack); |
… | |
… | |
743 | #endif |
940 | #endif |
744 | |
941 | |
745 | New(54,PL_scopestack,8,I32); |
942 | New(54,PL_scopestack,8,I32); |
746 | PL_scopestack_ix = 0; |
943 | PL_scopestack_ix = 0; |
747 | PL_scopestack_max = 8; |
944 | PL_scopestack_max = 8; |
|
|
945 | #if HAS_SCOPESTACK_NAME |
|
|
946 | New(54,PL_scopestack_name,8,const char*); |
|
|
947 | #endif |
748 | |
948 | |
749 | New(54,PL_savestack,24,ANY); |
949 | New(54,PL_savestack,24,ANY); |
750 | PL_savestack_ix = 0; |
950 | PL_savestack_ix = 0; |
751 | PL_savestack_max = 24; |
951 | PL_savestack_max = 24; |
752 | |
952 | |
… | |
… | |
780 | } |
980 | } |
781 | |
981 | |
782 | Safefree (PL_tmps_stack); |
982 | Safefree (PL_tmps_stack); |
783 | Safefree (PL_markstack); |
983 | Safefree (PL_markstack); |
784 | Safefree (PL_scopestack); |
984 | Safefree (PL_scopestack); |
|
|
985 | #if HAS_SCOPESTACK_NAME |
|
|
986 | Safefree (PL_scopestack_name); |
|
|
987 | #endif |
785 | Safefree (PL_savestack); |
988 | Safefree (PL_savestack); |
786 | #if !PERL_VERSION_ATLEAST (5,10,0) |
989 | #if !PERL_VERSION_ATLEAST (5,10,0) |
787 | Safefree (PL_retstack); |
990 | Safefree (PL_retstack); |
788 | #endif |
991 | #endif |
789 | } |
992 | } |
… | |
… | |
835 | #endif |
1038 | #endif |
836 | |
1039 | |
837 | /* |
1040 | /* |
838 | * This overrides the default magic get method of %SIG elements. |
1041 | * This overrides the default magic get method of %SIG elements. |
839 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
1042 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
840 | * and instead of trying to save and restore the hash elements, we just provide |
1043 | * and instead of trying to save and restore the hash elements (extremely slow), |
841 | * readback here. |
1044 | * we just provide our own readback here. |
842 | */ |
1045 | */ |
843 | static int |
1046 | static int ecb_cold |
844 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
1047 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
845 | { |
1048 | { |
846 | const char *s = MgPV_nolen_const (mg); |
1049 | const char *s = MgPV_nolen_const (mg); |
847 | |
1050 | |
848 | if (*s == '_') |
1051 | if (*s == '_') |
849 | { |
1052 | { |
850 | SV **svp = 0; |
1053 | SV **svp = 0; |
851 | |
1054 | |
852 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
1055 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
853 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
1056 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
854 | |
1057 | |
855 | if (svp) |
1058 | if (svp) |
856 | { |
1059 | { |
857 | sv_setsv (sv, *svp ? *svp : &PL_sv_undef); |
1060 | SV *ssv; |
|
|
1061 | |
|
|
1062 | if (!*svp) |
|
|
1063 | ssv = &PL_sv_undef; |
|
|
1064 | else if (SvTYPE (*svp) == SVt_PVCV) /* perlio directly stores a CV in warnhook. ugh. */ |
|
|
1065 | ssv = sv_2mortal (newRV_inc (*svp)); |
|
|
1066 | else |
|
|
1067 | ssv = *svp; |
|
|
1068 | |
|
|
1069 | sv_setsv (sv, ssv); |
858 | return 0; |
1070 | return 0; |
859 | } |
1071 | } |
860 | } |
1072 | } |
861 | |
1073 | |
862 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
1074 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
863 | } |
1075 | } |
864 | |
1076 | |
865 | static int |
1077 | static int ecb_cold |
866 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
1078 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
867 | { |
1079 | { |
868 | const char *s = MgPV_nolen_const (mg); |
1080 | const char *s = MgPV_nolen_const (mg); |
869 | |
1081 | |
870 | if (*s == '_') |
1082 | if (*s == '_') |
… | |
… | |
884 | } |
1096 | } |
885 | |
1097 | |
886 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
1098 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
887 | } |
1099 | } |
888 | |
1100 | |
889 | static int |
1101 | static int ecb_cold |
890 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
1102 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
891 | { |
1103 | { |
892 | const char *s = MgPV_nolen_const (mg); |
1104 | const char *s = MgPV_nolen_const (mg); |
893 | |
1105 | |
894 | if (*s == '_') |
1106 | if (*s == '_') |
… | |
… | |
927 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
1139 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
928 | { |
1140 | { |
929 | return 1; |
1141 | return 1; |
930 | } |
1142 | } |
931 | |
1143 | |
932 | static UNOP coro_setup_op; |
1144 | static UNOP init_perl_op; |
933 | |
1145 | |
934 | static void NOINLINE /* noinline to keep it out of the transfer fast path */ |
1146 | ecb_noinline static void /* noinline to keep it out of the transfer fast path */ |
935 | coro_setup (pTHX_ struct coro *coro) |
1147 | init_perl (pTHX_ struct coro *coro) |
936 | { |
1148 | { |
937 | /* |
1149 | /* |
938 | * emulate part of the perl startup here. |
1150 | * emulate part of the perl startup here. |
939 | */ |
1151 | */ |
940 | coro_init_stacks (aTHX); |
1152 | coro_init_stacks (aTHX); |
… | |
… | |
947 | PL_comppad_name_fill = 0; |
1159 | PL_comppad_name_fill = 0; |
948 | PL_comppad_name_floor = 0; |
1160 | PL_comppad_name_floor = 0; |
949 | PL_curpm = 0; |
1161 | PL_curpm = 0; |
950 | PL_curpad = 0; |
1162 | PL_curpad = 0; |
951 | PL_localizing = 0; |
1163 | PL_localizing = 0; |
952 | PL_dirty = 0; |
|
|
953 | PL_restartop = 0; |
1164 | PL_restartop = 0; |
954 | #if PERL_VERSION_ATLEAST (5,10,0) |
1165 | #if PERL_VERSION_ATLEAST (5,10,0) |
955 | PL_parser = 0; |
1166 | PL_parser = 0; |
956 | #endif |
1167 | #endif |
957 | PL_hints = 0; |
1168 | PL_hints = 0; |
958 | |
1169 | |
959 | /* recreate the die/warn hooks */ |
1170 | /* recreate the die/warn hooks */ |
960 | PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); |
1171 | PL_diehook = SvREFCNT_inc (rv_diehook); |
961 | PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook); |
1172 | PL_warnhook = SvREFCNT_inc (rv_warnhook); |
962 | |
1173 | |
963 | GvSV (PL_defgv) = newSV (0); |
1174 | GvSV (PL_defgv) = newSV (0); |
964 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1175 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
965 | GvSV (PL_errgv) = newSV (0); |
1176 | GvSV (PL_errgv) = newSV (0); |
966 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
1177 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
967 | GvHV (PL_hintgv) = 0; |
1178 | GvHV (PL_hintgv) = newHV (); |
|
|
1179 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
1180 | hv_magic (GvHV (PL_hintgv), 0, PERL_MAGIC_hints); |
|
|
1181 | #endif |
968 | PL_rs = newSVsv (GvSV (irsgv)); |
1182 | PL_rs = newSVsv (GvSV (irsgv)); |
969 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
1183 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
970 | |
1184 | |
971 | { |
1185 | { |
972 | dSP; |
1186 | dSP; |
… | |
… | |
987 | /* this newly created coroutine might be run on an existing cctx which most |
1201 | /* this newly created coroutine might be run on an existing cctx which most |
988 | * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. |
1202 | * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. |
989 | */ |
1203 | */ |
990 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
1204 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
991 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
1205 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
|
|
1206 | slf_frame.destroy = 0; |
992 | |
1207 | |
993 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
1208 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
994 | coro_setup_op.op_next = PL_op; |
1209 | init_perl_op.op_next = PL_op; |
995 | coro_setup_op.op_type = OP_ENTERSUB; |
1210 | init_perl_op.op_type = OP_ENTERSUB; |
996 | coro_setup_op.op_ppaddr = pp_slf; |
1211 | init_perl_op.op_ppaddr = pp_slf; |
997 | /* no flags etc. required, as an init function won't be called */ |
1212 | /* no flags etc. required, as an init function won't be called */ |
998 | |
1213 | |
999 | PL_op = (OP *)&coro_setup_op; |
1214 | PL_op = (OP *)&init_perl_op; |
1000 | |
1215 | |
1001 | /* copy throw, in case it was set before coro_setup */ |
1216 | /* copy throw, in case it was set before init_perl */ |
1002 | CORO_THROW = coro->except; |
1217 | CORO_THROW = coro->except; |
1003 | |
1218 | |
|
|
1219 | SWAP_SVS (coro); |
|
|
1220 | |
1004 | if (expect_false (enable_times)) |
1221 | if (ecb_expect_false (enable_times)) |
1005 | { |
1222 | { |
1006 | coro_times_update (); |
1223 | coro_times_update (); |
1007 | coro_times_sub (coro); |
1224 | coro_times_sub (coro); |
1008 | } |
1225 | } |
1009 | } |
1226 | } |
… | |
… | |
1028 | dounwind (-1); |
1245 | dounwind (-1); |
1029 | } |
1246 | } |
1030 | } |
1247 | } |
1031 | |
1248 | |
1032 | static void |
1249 | static void |
1033 | coro_destruct_perl (pTHX_ struct coro *coro) |
1250 | destroy_perl (pTHX_ struct coro *coro) |
1034 | { |
1251 | { |
1035 | SV *svf [9]; |
1252 | SV *svf [9]; |
1036 | |
1253 | |
1037 | { |
1254 | { |
|
|
1255 | SV *old_current = SvRV (coro_current); |
1038 | struct coro *current = SvSTATE_current; |
1256 | struct coro *current = SvSTATE (old_current); |
1039 | |
1257 | |
1040 | assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack)); |
1258 | assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack)); |
1041 | |
1259 | |
1042 | save_perl (aTHX_ current); |
1260 | save_perl (aTHX_ current); |
|
|
1261 | |
|
|
1262 | /* this will cause transfer_check to croak on block*/ |
|
|
1263 | SvRV_set (coro_current, (SV *)coro->hv); |
|
|
1264 | |
1043 | load_perl (aTHX_ coro); |
1265 | load_perl (aTHX_ coro); |
1044 | |
1266 | |
1045 | coro_unwind_stacks (aTHX); |
1267 | coro_unwind_stacks (aTHX); |
|
|
1268 | |
|
|
1269 | /* restore swapped sv's */ |
|
|
1270 | SWAP_SVS (coro); |
|
|
1271 | |
1046 | coro_destruct_stacks (aTHX); |
1272 | coro_destruct_stacks (aTHX); |
1047 | |
1273 | |
1048 | // now save some sv's to be free'd later |
1274 | /* now save some sv's to be free'd later */ |
1049 | svf [0] = GvSV (PL_defgv); |
1275 | svf [0] = GvSV (PL_defgv); |
1050 | svf [1] = (SV *)GvAV (PL_defgv); |
1276 | svf [1] = (SV *)GvAV (PL_defgv); |
1051 | svf [2] = GvSV (PL_errgv); |
1277 | svf [2] = GvSV (PL_errgv); |
1052 | svf [3] = (SV *)PL_defoutgv; |
1278 | svf [3] = (SV *)PL_defoutgv; |
1053 | svf [4] = PL_rs; |
1279 | svf [4] = PL_rs; |
… | |
… | |
1055 | svf [6] = (SV *)GvHV (PL_hintgv); |
1281 | svf [6] = (SV *)GvHV (PL_hintgv); |
1056 | svf [7] = PL_diehook; |
1282 | svf [7] = PL_diehook; |
1057 | svf [8] = PL_warnhook; |
1283 | svf [8] = PL_warnhook; |
1058 | assert (9 == sizeof (svf) / sizeof (*svf)); |
1284 | assert (9 == sizeof (svf) / sizeof (*svf)); |
1059 | |
1285 | |
|
|
1286 | SvRV_set (coro_current, old_current); |
|
|
1287 | |
1060 | load_perl (aTHX_ current); |
1288 | load_perl (aTHX_ current); |
1061 | } |
1289 | } |
1062 | |
1290 | |
1063 | { |
1291 | { |
1064 | unsigned int i; |
1292 | unsigned int i; |
… | |
… | |
1068 | |
1296 | |
1069 | SvREFCNT_dec (coro->saved_deffh); |
1297 | SvREFCNT_dec (coro->saved_deffh); |
1070 | SvREFCNT_dec (coro->rouse_cb); |
1298 | SvREFCNT_dec (coro->rouse_cb); |
1071 | SvREFCNT_dec (coro->invoke_cb); |
1299 | SvREFCNT_dec (coro->invoke_cb); |
1072 | SvREFCNT_dec (coro->invoke_av); |
1300 | SvREFCNT_dec (coro->invoke_av); |
|
|
1301 | SvREFCNT_dec (coro->on_enter_xs); |
|
|
1302 | SvREFCNT_dec (coro->on_leave_xs); |
1073 | } |
1303 | } |
1074 | } |
1304 | } |
1075 | |
1305 | |
1076 | INLINE void |
1306 | ecb_inline void |
1077 | free_coro_mortal (pTHX) |
1307 | free_coro_mortal (pTHX) |
1078 | { |
1308 | { |
1079 | if (expect_true (coro_mortal)) |
1309 | if (ecb_expect_true (coro_mortal)) |
1080 | { |
1310 | { |
1081 | SvREFCNT_dec (coro_mortal); |
1311 | SvREFCNT_dec ((SV *)coro_mortal); |
1082 | coro_mortal = 0; |
1312 | coro_mortal = 0; |
1083 | } |
1313 | } |
1084 | } |
1314 | } |
1085 | |
1315 | |
1086 | static int |
1316 | static int |
… | |
… | |
1140 | |
1370 | |
1141 | if (PL_curcop != &PL_compiling) |
1371 | if (PL_curcop != &PL_compiling) |
1142 | { |
1372 | { |
1143 | SV **cb; |
1373 | SV **cb; |
1144 | |
1374 | |
1145 | if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB) |
1375 | if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB && cxstack_ix >= 0) |
1146 | { |
1376 | { |
1147 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1377 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1148 | |
1378 | |
1149 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
1379 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
1150 | { |
1380 | { |
… | |
… | |
1219 | |
1449 | |
1220 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1450 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1221 | } |
1451 | } |
1222 | |
1452 | |
1223 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1453 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1224 | static void NOINLINE |
1454 | static void ecb_noinline |
1225 | cctx_prepare (pTHX) |
1455 | cctx_prepare (pTHX) |
1226 | { |
1456 | { |
1227 | PL_top_env = &PL_start_env; |
1457 | PL_top_env = &PL_start_env; |
1228 | |
1458 | |
1229 | if (cctx_current->flags & CC_TRACE) |
1459 | if (cctx_current->flags & CC_TRACE) |
… | |
… | |
1240 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1470 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1241 | slf_frame.check = slf_check_set_stacklevel; |
1471 | slf_frame.check = slf_check_set_stacklevel; |
1242 | } |
1472 | } |
1243 | |
1473 | |
1244 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1474 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1245 | INLINE void |
1475 | ecb_inline void |
1246 | transfer_tail (pTHX) |
1476 | transfer_tail (pTHX) |
1247 | { |
1477 | { |
1248 | free_coro_mortal (aTHX); |
1478 | free_coro_mortal (aTHX); |
|
|
1479 | } |
|
|
1480 | |
|
|
1481 | /* try to exit the same way perl's main function would do */ |
|
|
1482 | /* we do not bother resetting the environment or other things *7 |
|
|
1483 | /* that are not, uhm, essential */ |
|
|
1484 | /* this obviously also doesn't work when perl is embedded */ |
|
|
1485 | static void ecb_noinline ecb_cold |
|
|
1486 | perlish_exit (pTHX) |
|
|
1487 | { |
|
|
1488 | int exitstatus = perl_destruct (PL_curinterp); |
|
|
1489 | perl_free (PL_curinterp); |
|
|
1490 | exit (exitstatus); |
1249 | } |
1491 | } |
1250 | |
1492 | |
1251 | /* |
1493 | /* |
1252 | * this is a _very_ stripped down perl interpreter ;) |
1494 | * this is a _very_ stripped down perl interpreter ;) |
1253 | */ |
1495 | */ |
… | |
… | |
1282 | */ |
1524 | */ |
1283 | |
1525 | |
1284 | /* |
1526 | /* |
1285 | * If perl-run returns we assume exit() was being called or the coro |
1527 | * If perl-run returns we assume exit() was being called or the coro |
1286 | * fell off the end, which seems to be the only valid (non-bug) |
1528 | * fell off the end, which seems to be the only valid (non-bug) |
1287 | * reason for perl_run to return. We try to exit by jumping to the |
1529 | * reason for perl_run to return. We try to mimic whatever perl is normally |
1288 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
1530 | * doing in that case. YMMV. |
1289 | * coroutine as Coro has no such concept. |
|
|
1290 | * This actually isn't valid with the pthread backend, but OSes requiring |
|
|
1291 | * that backend are too broken to do it in a standards-compliant way. |
|
|
1292 | */ |
1531 | */ |
1293 | PL_top_env = main_top_env; |
1532 | perlish_exit (aTHX); |
1294 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
|
|
1295 | } |
1533 | } |
1296 | } |
1534 | } |
1297 | |
1535 | |
1298 | static coro_cctx * |
1536 | static coro_cctx * |
1299 | cctx_new () |
1537 | cctx_new (void) |
1300 | { |
1538 | { |
1301 | coro_cctx *cctx; |
1539 | coro_cctx *cctx; |
1302 | |
1540 | |
1303 | ++cctx_count; |
1541 | ++cctx_count; |
1304 | New (0, cctx, 1, coro_cctx); |
1542 | New (0, cctx, 1, coro_cctx); |
… | |
… | |
1310 | return cctx; |
1548 | return cctx; |
1311 | } |
1549 | } |
1312 | |
1550 | |
1313 | /* create a new cctx only suitable as source */ |
1551 | /* create a new cctx only suitable as source */ |
1314 | static coro_cctx * |
1552 | static coro_cctx * |
1315 | cctx_new_empty () |
1553 | cctx_new_empty (void) |
1316 | { |
1554 | { |
1317 | coro_cctx *cctx = cctx_new (); |
1555 | coro_cctx *cctx = cctx_new (); |
1318 | |
1556 | |
1319 | cctx->sptr = 0; |
1557 | cctx->stack.sptr = 0; |
1320 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
1558 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
1321 | |
1559 | |
1322 | return cctx; |
1560 | return cctx; |
1323 | } |
1561 | } |
1324 | |
1562 | |
1325 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1563 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1326 | static coro_cctx * |
1564 | static coro_cctx * |
1327 | cctx_new_run () |
1565 | cctx_new_run (void) |
1328 | { |
1566 | { |
1329 | coro_cctx *cctx = cctx_new (); |
1567 | coro_cctx *cctx = cctx_new (); |
1330 | void *stack_start; |
|
|
1331 | size_t stack_size; |
|
|
1332 | |
1568 | |
1333 | #if HAVE_MMAP |
1569 | if (!coro_stack_alloc (&cctx->stack, cctx_stacksize)) |
1334 | cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
|
|
1335 | /* mmap supposedly does allocate-on-write for us */ |
|
|
1336 | cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
|
|
1337 | |
|
|
1338 | if (cctx->sptr != (void *)-1) |
|
|
1339 | { |
|
|
1340 | #if CORO_STACKGUARD |
|
|
1341 | mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); |
|
|
1342 | #endif |
|
|
1343 | stack_start = (char *)cctx->sptr + CORO_STACKGUARD * PAGESIZE; |
|
|
1344 | stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE; |
|
|
1345 | cctx->flags |= CC_MAPPED; |
|
|
1346 | } |
1570 | { |
1347 | else |
|
|
1348 | #endif |
|
|
1349 | { |
|
|
1350 | cctx->ssize = cctx_stacksize * (long)sizeof (long); |
|
|
1351 | New (0, cctx->sptr, cctx_stacksize, long); |
|
|
1352 | |
|
|
1353 | if (!cctx->sptr) |
|
|
1354 | { |
|
|
1355 | perror ("FATAL: unable to allocate stack for coroutine, exiting."); |
1571 | perror ("FATAL: unable to allocate stack for coroutine, exiting."); |
1356 | _exit (EXIT_FAILURE); |
1572 | _exit (EXIT_FAILURE); |
1357 | } |
|
|
1358 | |
|
|
1359 | stack_start = cctx->sptr; |
|
|
1360 | stack_size = cctx->ssize; |
|
|
1361 | } |
1573 | } |
1362 | |
1574 | |
1363 | #if CORO_USE_VALGRIND |
|
|
1364 | cctx->valgrind_id = VALGRIND_STACK_REGISTER ((char *)stack_start, (char *)stack_start + stack_size); |
|
|
1365 | #endif |
|
|
1366 | |
|
|
1367 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size); |
1575 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, cctx->stack.sptr, cctx->stack.ssze); |
1368 | |
1576 | |
1369 | return cctx; |
1577 | return cctx; |
1370 | } |
1578 | } |
1371 | |
1579 | |
1372 | static void |
1580 | static void |
1373 | cctx_destroy (coro_cctx *cctx) |
1581 | cctx_destroy (coro_cctx *cctx) |
1374 | { |
1582 | { |
1375 | if (!cctx) |
1583 | if (!cctx) |
1376 | return; |
1584 | return; |
1377 | |
1585 | |
1378 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));//D temporary? |
1586 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current)); |
1379 | |
1587 | |
1380 | --cctx_count; |
1588 | --cctx_count; |
1381 | coro_destroy (&cctx->cctx); |
1589 | coro_destroy (&cctx->cctx); |
1382 | |
1590 | |
1383 | /* coro_transfer creates new, empty cctx's */ |
1591 | coro_stack_free (&cctx->stack); |
1384 | if (cctx->sptr) |
|
|
1385 | { |
|
|
1386 | #if CORO_USE_VALGRIND |
|
|
1387 | VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); |
|
|
1388 | #endif |
|
|
1389 | |
|
|
1390 | #if HAVE_MMAP |
|
|
1391 | if (cctx->flags & CC_MAPPED) |
|
|
1392 | munmap (cctx->sptr, cctx->ssize); |
|
|
1393 | else |
|
|
1394 | #endif |
|
|
1395 | Safefree (cctx->sptr); |
|
|
1396 | } |
|
|
1397 | |
1592 | |
1398 | Safefree (cctx); |
1593 | Safefree (cctx); |
1399 | } |
1594 | } |
1400 | |
1595 | |
1401 | /* wether this cctx should be destructed */ |
1596 | /* wether this cctx should be destructed */ |
1402 | #define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) |
1597 | #define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) |
1403 | |
1598 | |
1404 | static coro_cctx * |
1599 | static coro_cctx * |
1405 | cctx_get (pTHX) |
1600 | cctx_get (pTHX) |
1406 | { |
1601 | { |
1407 | while (expect_true (cctx_first)) |
1602 | while (ecb_expect_true (cctx_first)) |
1408 | { |
1603 | { |
1409 | coro_cctx *cctx = cctx_first; |
1604 | coro_cctx *cctx = cctx_first; |
1410 | cctx_first = cctx->next; |
1605 | cctx_first = cctx->next; |
1411 | --cctx_idle; |
1606 | --cctx_idle; |
1412 | |
1607 | |
1413 | if (expect_true (!CCTX_EXPIRED (cctx))) |
1608 | if (ecb_expect_true (!CCTX_EXPIRED (cctx))) |
1414 | return cctx; |
1609 | return cctx; |
1415 | |
1610 | |
1416 | cctx_destroy (cctx); |
1611 | cctx_destroy (cctx); |
1417 | } |
1612 | } |
1418 | |
1613 | |
… | |
… | |
1420 | } |
1615 | } |
1421 | |
1616 | |
1422 | static void |
1617 | static void |
1423 | cctx_put (coro_cctx *cctx) |
1618 | cctx_put (coro_cctx *cctx) |
1424 | { |
1619 | { |
1425 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr)); |
1620 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->stack.sptr)); |
1426 | |
1621 | |
1427 | /* free another cctx if overlimit */ |
1622 | /* free another cctx if overlimit */ |
1428 | if (expect_false (cctx_idle >= cctx_max_idle)) |
1623 | if (ecb_expect_false (cctx_idle >= cctx_max_idle)) |
1429 | { |
1624 | { |
1430 | coro_cctx *first = cctx_first; |
1625 | coro_cctx *first = cctx_first; |
1431 | cctx_first = first->next; |
1626 | cctx_first = first->next; |
1432 | --cctx_idle; |
1627 | --cctx_idle; |
1433 | |
1628 | |
… | |
… | |
1444 | static void |
1639 | static void |
1445 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1640 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1446 | { |
1641 | { |
1447 | /* TODO: throwing up here is considered harmful */ |
1642 | /* TODO: throwing up here is considered harmful */ |
1448 | |
1643 | |
1449 | if (expect_true (prev != next)) |
1644 | if (ecb_expect_true (prev != next)) |
1450 | { |
1645 | { |
1451 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1646 | if (ecb_expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1452 | croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); |
1647 | croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); |
1453 | |
1648 | |
1454 | if (expect_false (next->flags & (CF_RUNNING | CF_DESTROYED | CF_SUSPENDED))) |
1649 | if (ecb_expect_false (next->flags & (CF_RUNNING | CF_ZOMBIE | CF_SUSPENDED))) |
1455 | croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); |
1650 | croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); |
1456 | |
1651 | |
1457 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1652 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1458 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1653 | if (ecb_expect_false (PL_lex_state != LEX_NOTPARSING)) |
1459 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1654 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1460 | #endif |
1655 | #endif |
1461 | } |
1656 | } |
1462 | } |
1657 | } |
1463 | |
1658 | |
1464 | /* always use the TRANSFER macro */ |
1659 | /* always use the TRANSFER macro */ |
1465 | static void NOINLINE /* noinline so we have a fixed stackframe */ |
1660 | static void ecb_noinline /* noinline so we have a fixed stackframe */ |
1466 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1661 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1467 | { |
1662 | { |
1468 | dSTACKLEVEL; |
1663 | dSTACKLEVEL; |
1469 | |
1664 | |
1470 | /* sometimes transfer is only called to set idle_sp */ |
1665 | /* sometimes transfer is only called to set idle_sp */ |
1471 | if (expect_false (!prev)) |
1666 | if (ecb_expect_false (!prev)) |
1472 | { |
1667 | { |
1473 | cctx_current->idle_sp = STACKLEVEL; |
1668 | cctx_current->idle_sp = STACKLEVEL; |
1474 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1669 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1475 | } |
1670 | } |
1476 | else if (expect_true (prev != next)) |
1671 | else if (ecb_expect_true (prev != next)) |
1477 | { |
1672 | { |
1478 | coro_cctx *cctx_prev; |
1673 | coro_cctx *cctx_prev; |
1479 | |
1674 | |
1480 | if (expect_false (prev->flags & CF_NEW)) |
1675 | if (ecb_expect_false (prev->flags & CF_NEW)) |
1481 | { |
1676 | { |
1482 | /* create a new empty/source context */ |
1677 | /* create a new empty/source context */ |
1483 | prev->flags &= ~CF_NEW; |
1678 | prev->flags &= ~CF_NEW; |
1484 | prev->flags |= CF_RUNNING; |
1679 | prev->flags |= CF_RUNNING; |
1485 | } |
1680 | } |
… | |
… | |
1488 | next->flags |= CF_RUNNING; |
1683 | next->flags |= CF_RUNNING; |
1489 | |
1684 | |
1490 | /* first get rid of the old state */ |
1685 | /* first get rid of the old state */ |
1491 | save_perl (aTHX_ prev); |
1686 | save_perl (aTHX_ prev); |
1492 | |
1687 | |
1493 | if (expect_false (next->flags & CF_NEW)) |
1688 | if (ecb_expect_false (next->flags & CF_NEW)) |
1494 | { |
1689 | { |
1495 | /* need to start coroutine */ |
1690 | /* need to start coroutine */ |
1496 | next->flags &= ~CF_NEW; |
1691 | next->flags &= ~CF_NEW; |
1497 | /* setup coroutine call */ |
1692 | /* setup coroutine call */ |
1498 | coro_setup (aTHX_ next); |
1693 | init_perl (aTHX_ next); |
1499 | } |
1694 | } |
1500 | else |
1695 | else |
1501 | load_perl (aTHX_ next); |
1696 | load_perl (aTHX_ next); |
1502 | |
1697 | |
1503 | /* possibly untie and reuse the cctx */ |
1698 | /* possibly untie and reuse the cctx */ |
1504 | if (expect_true ( |
1699 | if (ecb_expect_true ( |
1505 | cctx_current->idle_sp == STACKLEVEL |
1700 | cctx_current->idle_sp == STACKLEVEL |
1506 | && !(cctx_current->flags & CC_TRACE) |
1701 | && !(cctx_current->flags & CC_TRACE) |
1507 | && !force_cctx |
1702 | && !force_cctx |
1508 | )) |
1703 | )) |
1509 | { |
1704 | { |
1510 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1705 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1511 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1706 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1512 | |
1707 | |
1513 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1708 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1514 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1709 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1515 | if (expect_false (CCTX_EXPIRED (cctx_current))) |
1710 | if (ecb_expect_false (CCTX_EXPIRED (cctx_current))) |
1516 | if (expect_true (!next->cctx)) |
1711 | if (ecb_expect_true (!next->cctx)) |
1517 | next->cctx = cctx_get (aTHX); |
1712 | next->cctx = cctx_get (aTHX); |
1518 | |
1713 | |
1519 | cctx_put (cctx_current); |
1714 | cctx_put (cctx_current); |
1520 | } |
1715 | } |
1521 | else |
1716 | else |
1522 | prev->cctx = cctx_current; |
1717 | prev->cctx = cctx_current; |
1523 | |
1718 | |
1524 | ++next->usecount; |
1719 | ++next->usecount; |
1525 | |
1720 | |
1526 | cctx_prev = cctx_current; |
1721 | cctx_prev = cctx_current; |
1527 | cctx_current = expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1722 | cctx_current = ecb_expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1528 | |
1723 | |
1529 | next->cctx = 0; |
1724 | next->cctx = 0; |
1530 | |
1725 | |
1531 | if (expect_false (cctx_prev != cctx_current)) |
1726 | if (ecb_expect_false (cctx_prev != cctx_current)) |
1532 | { |
1727 | { |
1533 | cctx_prev->top_env = PL_top_env; |
1728 | cctx_prev->top_env = PL_top_env; |
1534 | PL_top_env = cctx_current->top_env; |
1729 | PL_top_env = cctx_current->top_env; |
1535 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1730 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1536 | } |
1731 | } |
… | |
… | |
1542 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1737 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1543 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1738 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1544 | |
1739 | |
1545 | /** high level stuff ********************************************************/ |
1740 | /** high level stuff ********************************************************/ |
1546 | |
1741 | |
|
|
1742 | /* this function is actually Coro, not Coro::State, but we call it from here */ |
|
|
1743 | /* because it is convenient - but it hasn't been declared yet for that reason */ |
1547 | static int |
1744 | static void |
|
|
1745 | coro_call_on_destroy (pTHX_ struct coro *coro); |
|
|
1746 | |
|
|
1747 | static void |
1548 | coro_state_destroy (pTHX_ struct coro *coro) |
1748 | coro_state_destroy (pTHX_ struct coro *coro) |
1549 | { |
1749 | { |
1550 | if (coro->flags & CF_DESTROYED) |
1750 | if (coro->flags & CF_ZOMBIE) |
1551 | return 0; |
1751 | return; |
1552 | |
1752 | |
1553 | if (coro->on_destroy && !PL_dirty) |
|
|
1554 | coro->on_destroy (aTHX_ coro); |
1753 | slf_destroy (aTHX_ coro); |
1555 | |
1754 | |
1556 | coro->flags |= CF_DESTROYED; |
1755 | coro->flags |= CF_ZOMBIE; |
1557 | |
1756 | |
1558 | if (coro->flags & CF_READY) |
1757 | if (coro->flags & CF_READY) |
1559 | { |
1758 | { |
1560 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1759 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1561 | /* alternative: look through all ready queues and remove the coro */ |
1760 | /* alternative: look through all ready queues and remove the coro */ |
1562 | --coro_nready; |
1761 | --coro_nready; |
1563 | } |
1762 | } |
1564 | else |
1763 | else |
1565 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
1764 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
|
|
1765 | |
|
|
1766 | if (coro->next) coro->next->prev = coro->prev; |
|
|
1767 | if (coro->prev) coro->prev->next = coro->next; |
|
|
1768 | if (coro == coro_first) coro_first = coro->next; |
1566 | |
1769 | |
1567 | if (coro->mainstack |
1770 | if (coro->mainstack |
1568 | && coro->mainstack != main_mainstack |
1771 | && coro->mainstack != main_mainstack |
1569 | && coro->slot |
1772 | && coro->slot |
1570 | && !PL_dirty) |
1773 | && !PL_dirty) |
1571 | coro_destruct_perl (aTHX_ coro); |
1774 | destroy_perl (aTHX_ coro); |
1572 | |
1775 | |
1573 | cctx_destroy (coro->cctx); |
1776 | cctx_destroy (coro->cctx); |
1574 | SvREFCNT_dec (coro->startcv); |
1777 | SvREFCNT_dec (coro->startcv); |
1575 | SvREFCNT_dec (coro->args); |
1778 | SvREFCNT_dec (coro->args); |
|
|
1779 | SvREFCNT_dec (coro->swap_sv); |
1576 | SvREFCNT_dec (CORO_THROW); |
1780 | SvREFCNT_dec (CORO_THROW); |
1577 | |
1781 | |
1578 | if (coro->next) coro->next->prev = coro->prev; |
1782 | coro_call_on_destroy (aTHX_ coro); |
1579 | if (coro->prev) coro->prev->next = coro->next; |
|
|
1580 | if (coro == coro_first) coro_first = coro->next; |
|
|
1581 | |
1783 | |
1582 | return 1; |
1784 | /* more destruction mayhem in coro_state_free */ |
1583 | } |
1785 | } |
1584 | |
1786 | |
1585 | static int |
1787 | static int |
1586 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1788 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1587 | { |
1789 | { |
1588 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1790 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1589 | mg->mg_ptr = 0; |
1791 | mg->mg_ptr = 0; |
1590 | |
1792 | |
1591 | coro->hv = 0; |
|
|
1592 | |
|
|
1593 | if (--coro->refcnt < 0) |
|
|
1594 | { |
|
|
1595 | coro_state_destroy (aTHX_ coro); |
1793 | coro_state_destroy (aTHX_ coro); |
|
|
1794 | SvREFCNT_dec (coro->on_destroy); |
|
|
1795 | SvREFCNT_dec (coro->status); |
|
|
1796 | |
1596 | Safefree (coro); |
1797 | Safefree (coro); |
1597 | } |
|
|
1598 | |
1798 | |
1599 | return 0; |
1799 | return 0; |
1600 | } |
1800 | } |
1601 | |
1801 | |
1602 | static int |
1802 | static int ecb_cold |
1603 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1803 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1604 | { |
1804 | { |
1605 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1805 | /* called when perl clones the current process the slow way (windows process emulation) */ |
1606 | |
1806 | /* WE SIMply nuke the pointers in the copy, causing perl to croak */ |
1607 | ++coro->refcnt; |
1807 | mg->mg_ptr = 0; |
|
|
1808 | mg->mg_virtual = 0; |
1608 | |
1809 | |
1609 | return 0; |
1810 | return 0; |
1610 | } |
1811 | } |
1611 | |
1812 | |
1612 | static MGVTBL coro_state_vtbl = { |
1813 | static MGVTBL coro_state_vtbl = { |
… | |
… | |
1637 | TRANSFER (ta, 1); |
1838 | TRANSFER (ta, 1); |
1638 | } |
1839 | } |
1639 | |
1840 | |
1640 | /** Coro ********************************************************************/ |
1841 | /** Coro ********************************************************************/ |
1641 | |
1842 | |
1642 | INLINE void |
1843 | ecb_inline void |
1643 | coro_enq (pTHX_ struct coro *coro) |
1844 | coro_enq (pTHX_ struct coro *coro) |
1644 | { |
1845 | { |
1645 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1846 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1646 | |
1847 | |
1647 | SvREFCNT_inc_NN (coro->hv); |
1848 | SvREFCNT_inc_NN (coro->hv); |
… | |
… | |
1649 | coro->next_ready = 0; |
1850 | coro->next_ready = 0; |
1650 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
1851 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
1651 | ready [1] = coro; |
1852 | ready [1] = coro; |
1652 | } |
1853 | } |
1653 | |
1854 | |
1654 | INLINE struct coro * |
1855 | ecb_inline struct coro * |
1655 | coro_deq (pTHX) |
1856 | coro_deq (pTHX) |
1656 | { |
1857 | { |
1657 | int prio; |
1858 | int prio; |
1658 | |
1859 | |
1659 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
1860 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
… | |
… | |
1712 | { |
1913 | { |
1713 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1914 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1714 | } |
1915 | } |
1715 | |
1916 | |
1716 | /* expects to own a reference to next->hv */ |
1917 | /* expects to own a reference to next->hv */ |
1717 | INLINE void |
1918 | ecb_inline void |
1718 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1919 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1719 | { |
1920 | { |
1720 | SV *prev_sv = SvRV (coro_current); |
1921 | SV *prev_sv = SvRV (coro_current); |
1721 | |
1922 | |
1722 | ta->prev = SvSTATE_hv (prev_sv); |
1923 | ta->prev = SvSTATE_hv (prev_sv); |
… | |
… | |
1735 | { |
1936 | { |
1736 | for (;;) |
1937 | for (;;) |
1737 | { |
1938 | { |
1738 | struct coro *next = coro_deq (aTHX); |
1939 | struct coro *next = coro_deq (aTHX); |
1739 | |
1940 | |
1740 | if (expect_true (next)) |
1941 | if (ecb_expect_true (next)) |
1741 | { |
1942 | { |
1742 | /* cannot transfer to destroyed coros, skip and look for next */ |
1943 | /* cannot transfer to destroyed coros, skip and look for next */ |
1743 | if (expect_false (next->flags & (CF_DESTROYED | CF_SUSPENDED))) |
1944 | if (ecb_expect_false (next->flags & (CF_ZOMBIE | CF_SUSPENDED))) |
1744 | SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ |
1945 | SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ |
1745 | else |
1946 | else |
1746 | { |
1947 | { |
1747 | next->flags &= ~CF_READY; |
1948 | next->flags &= ~CF_READY; |
1748 | --coro_nready; |
1949 | --coro_nready; |
… | |
… | |
1755 | { |
1956 | { |
1756 | /* nothing to schedule: call the idle handler */ |
1957 | /* nothing to schedule: call the idle handler */ |
1757 | if (SvROK (sv_idle) |
1958 | if (SvROK (sv_idle) |
1758 | && SvOBJECT (SvRV (sv_idle))) |
1959 | && SvOBJECT (SvRV (sv_idle))) |
1759 | { |
1960 | { |
|
|
1961 | if (SvRV (sv_idle) == SvRV (coro_current)) |
|
|
1962 | { |
|
|
1963 | require_pv ("Carp"); |
|
|
1964 | |
|
|
1965 | { |
|
|
1966 | dSP; |
|
|
1967 | |
|
|
1968 | ENTER; |
|
|
1969 | SAVETMPS; |
|
|
1970 | |
|
|
1971 | PUSHMARK (SP); |
|
|
1972 | XPUSHs (sv_2mortal (newSVpv ("FATAL: $Coro::idle blocked itself - did you try to block inside an event loop callback? Caught", 0))); |
|
|
1973 | PUTBACK; |
|
|
1974 | call_pv ("Carp::confess", G_VOID | G_DISCARD); |
|
|
1975 | |
|
|
1976 | FREETMPS; |
|
|
1977 | LEAVE; |
|
|
1978 | } |
|
|
1979 | } |
|
|
1980 | |
1760 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
1981 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
1761 | api_ready (aTHX_ SvRV (sv_idle)); |
1982 | api_ready (aTHX_ SvRV (sv_idle)); |
1762 | --coro_nready; |
1983 | --coro_nready; |
1763 | } |
1984 | } |
1764 | else |
1985 | else |
1765 | { |
1986 | { |
|
|
1987 | /* TODO: deprecated, remove, cannot work reliably *//*D*/ |
1766 | dSP; |
1988 | dSP; |
1767 | |
1989 | |
1768 | ENTER; |
1990 | ENTER; |
1769 | SAVETMPS; |
1991 | SAVETMPS; |
1770 | |
1992 | |
… | |
… | |
1777 | } |
1999 | } |
1778 | } |
2000 | } |
1779 | } |
2001 | } |
1780 | } |
2002 | } |
1781 | |
2003 | |
1782 | INLINE void |
2004 | ecb_inline void |
1783 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
2005 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1784 | { |
2006 | { |
1785 | api_ready (aTHX_ coro_current); |
2007 | api_ready (aTHX_ coro_current); |
1786 | prepare_schedule (aTHX_ ta); |
2008 | prepare_schedule (aTHX_ ta); |
1787 | } |
2009 | } |
1788 | |
2010 | |
1789 | INLINE void |
2011 | ecb_inline void |
1790 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
2012 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
1791 | { |
2013 | { |
1792 | SV *prev = SvRV (coro_current); |
2014 | SV *prev = SvRV (coro_current); |
1793 | |
2015 | |
1794 | if (coro_nready) |
2016 | if (coro_nready) |
… | |
… | |
1824 | { |
2046 | { |
1825 | struct coro_transfer_args ta; |
2047 | struct coro_transfer_args ta; |
1826 | |
2048 | |
1827 | prepare_cede (aTHX_ &ta); |
2049 | prepare_cede (aTHX_ &ta); |
1828 | |
2050 | |
1829 | if (expect_true (ta.prev != ta.next)) |
2051 | if (ecb_expect_true (ta.prev != ta.next)) |
1830 | { |
2052 | { |
1831 | TRANSFER (ta, 1); |
2053 | TRANSFER (ta, 1); |
1832 | return 1; |
2054 | return 1; |
1833 | } |
2055 | } |
1834 | else |
2056 | else |
… | |
… | |
1877 | coro->slot->runops = RUNOPS_DEFAULT; |
2099 | coro->slot->runops = RUNOPS_DEFAULT; |
1878 | } |
2100 | } |
1879 | } |
2101 | } |
1880 | |
2102 | |
1881 | static void |
2103 | static void |
|
|
2104 | coro_push_av (pTHX_ AV *av, I32 gimme_v) |
|
|
2105 | { |
|
|
2106 | if (AvFILLp (av) >= 0 && gimme_v != G_VOID) |
|
|
2107 | { |
|
|
2108 | dSP; |
|
|
2109 | |
|
|
2110 | if (gimme_v == G_SCALAR) |
|
|
2111 | XPUSHs (AvARRAY (av)[AvFILLp (av)]); |
|
|
2112 | else |
|
|
2113 | { |
|
|
2114 | int i; |
|
|
2115 | EXTEND (SP, AvFILLp (av) + 1); |
|
|
2116 | |
|
|
2117 | for (i = 0; i <= AvFILLp (av); ++i) |
|
|
2118 | PUSHs (AvARRAY (av)[i]); |
|
|
2119 | } |
|
|
2120 | |
|
|
2121 | PUTBACK; |
|
|
2122 | } |
|
|
2123 | } |
|
|
2124 | |
|
|
2125 | static void |
|
|
2126 | coro_push_on_destroy (pTHX_ struct coro *coro, SV *cb) |
|
|
2127 | { |
|
|
2128 | if (!coro->on_destroy) |
|
|
2129 | coro->on_destroy = newAV (); |
|
|
2130 | |
|
|
2131 | av_push (coro->on_destroy, cb); |
|
|
2132 | } |
|
|
2133 | |
|
|
2134 | static void |
|
|
2135 | slf_destroy_join (pTHX_ struct CoroSLF *frame) |
|
|
2136 | { |
|
|
2137 | SvREFCNT_dec ((SV *)((struct coro *)frame->data)->hv); |
|
|
2138 | } |
|
|
2139 | |
|
|
2140 | static int |
|
|
2141 | slf_check_join (pTHX_ struct CoroSLF *frame) |
|
|
2142 | { |
|
|
2143 | struct coro *coro = (struct coro *)frame->data; |
|
|
2144 | |
|
|
2145 | if (!coro->status) |
|
|
2146 | return 1; |
|
|
2147 | |
|
|
2148 | frame->destroy = 0; |
|
|
2149 | |
|
|
2150 | coro_push_av (aTHX_ coro->status, GIMME_V); |
|
|
2151 | |
|
|
2152 | SvREFCNT_dec ((SV *)coro->hv); |
|
|
2153 | |
|
|
2154 | return 0; |
|
|
2155 | } |
|
|
2156 | |
|
|
2157 | static void |
|
|
2158 | slf_init_join (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2159 | { |
|
|
2160 | struct coro *coro = SvSTATE (items > 0 ? arg [0] : &PL_sv_undef); |
|
|
2161 | |
|
|
2162 | if (items > 1) |
|
|
2163 | croak ("join called with too many arguments"); |
|
|
2164 | |
|
|
2165 | if (coro->status) |
|
|
2166 | frame->prepare = prepare_nop; |
|
|
2167 | else |
|
|
2168 | { |
|
|
2169 | coro_push_on_destroy (aTHX_ coro, SvREFCNT_inc_NN (SvRV (coro_current))); |
|
|
2170 | frame->prepare = prepare_schedule; |
|
|
2171 | } |
|
|
2172 | |
|
|
2173 | frame->check = slf_check_join; |
|
|
2174 | frame->destroy = slf_destroy_join; |
|
|
2175 | frame->data = (void *)coro; |
|
|
2176 | SvREFCNT_inc (coro->hv); |
|
|
2177 | } |
|
|
2178 | |
|
|
2179 | static void |
1882 | coro_call_on_destroy (pTHX_ struct coro *coro) |
2180 | coro_call_on_destroy (pTHX_ struct coro *coro) |
1883 | { |
2181 | { |
1884 | SV **on_destroyp = hv_fetch (coro->hv, "_on_destroy", sizeof ("_on_destroy") - 1, 0); |
2182 | AV *od = coro->on_destroy; |
1885 | SV **statusp = hv_fetch (coro->hv, "_status", sizeof ("_status") - 1, 0); |
|
|
1886 | |
2183 | |
1887 | if (on_destroyp) |
2184 | if (!od) |
1888 | { |
2185 | return; |
1889 | AV *on_destroy = (AV *)SvRV (*on_destroyp); |
|
|
1890 | |
2186 | |
|
|
2187 | coro->on_destroy = 0; |
|
|
2188 | sv_2mortal ((SV *)od); |
|
|
2189 | |
1891 | while (AvFILLp (on_destroy) >= 0) |
2190 | while (AvFILLp (od) >= 0) |
|
|
2191 | { |
|
|
2192 | SV *cb = sv_2mortal (av_pop (od)); |
|
|
2193 | |
|
|
2194 | /* coro hv's (and only hv's at the moment) are supported as well */ |
|
|
2195 | if (SvSTATEhv_p (aTHX_ cb)) |
|
|
2196 | api_ready (aTHX_ cb); |
|
|
2197 | else |
1892 | { |
2198 | { |
1893 | dSP; /* don't disturb outer sp */ |
2199 | dSP; /* don't disturb outer sp */ |
1894 | SV *cb = av_pop (on_destroy); |
|
|
1895 | |
|
|
1896 | PUSHMARK (SP); |
2200 | PUSHMARK (SP); |
1897 | |
2201 | |
1898 | if (statusp) |
2202 | if (coro->status) |
1899 | { |
2203 | { |
1900 | int i; |
2204 | PUTBACK; |
1901 | AV *status = (AV *)SvRV (*statusp); |
2205 | coro_push_av (aTHX_ coro->status, G_ARRAY); |
1902 | EXTEND (SP, AvFILLp (status) + 1); |
2206 | SPAGAIN; |
1903 | |
|
|
1904 | for (i = 0; i <= AvFILLp (status); ++i) |
|
|
1905 | PUSHs (AvARRAY (status)[i]); |
|
|
1906 | } |
2207 | } |
1907 | |
2208 | |
1908 | PUTBACK; |
2209 | PUTBACK; |
1909 | call_sv (sv_2mortal (cb), G_VOID | G_DISCARD); |
2210 | call_sv (cb, G_VOID | G_DISCARD); |
1910 | } |
2211 | } |
1911 | } |
2212 | } |
1912 | } |
2213 | } |
1913 | |
2214 | |
1914 | static void |
2215 | static void |
1915 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2216 | coro_set_status (pTHX_ struct coro *coro, SV **arg, int items) |
1916 | { |
2217 | { |
1917 | int i; |
2218 | AV *av; |
1918 | HV *hv = (HV *)SvRV (coro_current); |
2219 | |
1919 | AV *av = newAV (); |
2220 | if (coro->status) |
|
|
2221 | { |
|
|
2222 | av = coro->status; |
|
|
2223 | av_clear (av); |
|
|
2224 | } |
|
|
2225 | else |
|
|
2226 | av = coro->status = newAV (); |
1920 | |
2227 | |
1921 | /* items are actually not so common, so optimise for this case */ |
2228 | /* items are actually not so common, so optimise for this case */ |
1922 | if (items) |
2229 | if (items) |
1923 | { |
2230 | { |
|
|
2231 | int i; |
|
|
2232 | |
1924 | av_extend (av, items - 1); |
2233 | av_extend (av, items - 1); |
1925 | |
2234 | |
1926 | for (i = 0; i < items; ++i) |
2235 | for (i = 0; i < items; ++i) |
1927 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
2236 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
1928 | } |
2237 | } |
|
|
2238 | } |
1929 | |
2239 | |
1930 | hv_store (hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0); |
2240 | static void |
1931 | |
2241 | slf_init_terminate_cancel_common (pTHX_ struct CoroSLF *frame, HV *coro_hv) |
|
|
2242 | { |
1932 | av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */ |
2243 | av_push (av_destroy, (SV *)newRV_inc ((SV *)coro_hv)); /* RVinc for perl */ |
1933 | api_ready (aTHX_ sv_manager); |
2244 | api_ready (aTHX_ sv_manager); |
1934 | |
2245 | |
1935 | frame->prepare = prepare_schedule; |
2246 | frame->prepare = prepare_schedule; |
1936 | frame->check = slf_check_repeat; |
2247 | frame->check = slf_check_repeat; |
1937 | |
2248 | |
1938 | /* as a minor optimisation, we could unwind all stacks here */ |
2249 | /* as a minor optimisation, we could unwind all stacks here */ |
1939 | /* but that puts extra pressure on pp_slf, and is not worth much */ |
2250 | /* but that puts extra pressure on pp_slf, and is not worth much */ |
1940 | /*coro_unwind_stacks (aTHX);*/ |
2251 | /*coro_unwind_stacks (aTHX);*/ |
|
|
2252 | } |
|
|
2253 | |
|
|
2254 | static void |
|
|
2255 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2256 | { |
|
|
2257 | HV *coro_hv = (HV *)SvRV (coro_current); |
|
|
2258 | |
|
|
2259 | coro_set_status (aTHX_ SvSTATE ((SV *)coro_hv), arg, items); |
|
|
2260 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
|
|
2261 | } |
|
|
2262 | |
|
|
2263 | static void |
|
|
2264 | slf_init_cancel (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2265 | { |
|
|
2266 | HV *coro_hv; |
|
|
2267 | struct coro *coro; |
|
|
2268 | |
|
|
2269 | if (items <= 0) |
|
|
2270 | croak ("Coro::cancel called without coro object,"); |
|
|
2271 | |
|
|
2272 | coro = SvSTATE (arg [0]); |
|
|
2273 | coro_hv = coro->hv; |
|
|
2274 | |
|
|
2275 | coro_set_status (aTHX_ coro, arg + 1, items - 1); |
|
|
2276 | |
|
|
2277 | if (ecb_expect_false (coro->flags & CF_NOCANCEL)) |
|
|
2278 | { |
|
|
2279 | /* coro currently busy cancelling something, so just notify it */ |
|
|
2280 | coro->slf_frame.data = (void *)coro; |
|
|
2281 | |
|
|
2282 | frame->prepare = prepare_nop; |
|
|
2283 | frame->check = slf_check_nop; |
|
|
2284 | } |
|
|
2285 | else if (coro_hv == (HV *)SvRV (coro_current)) |
|
|
2286 | { |
|
|
2287 | /* cancelling the current coro is allowed, and equals terminate */ |
|
|
2288 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
|
|
2289 | } |
|
|
2290 | else |
|
|
2291 | { |
|
|
2292 | struct coro *self = SvSTATE_current; |
|
|
2293 | |
|
|
2294 | if (!self) |
|
|
2295 | croak ("Coro::cancel called outside of thread content,"); |
|
|
2296 | |
|
|
2297 | /* otherwise we cancel directly, purely for speed reasons |
|
|
2298 | * unfortunately, this requires some magic trickery, as |
|
|
2299 | * somebody else could cancel us, so we have to fight the cancellation. |
|
|
2300 | * this is ugly, and hopefully fully worth the extra speed. |
|
|
2301 | * besides, I can't get the slow-but-safe version working... |
|
|
2302 | */ |
|
|
2303 | slf_frame.data = 0; |
|
|
2304 | self->flags |= CF_NOCANCEL; |
|
|
2305 | coro_state_destroy (aTHX_ coro); |
|
|
2306 | self->flags &= ~CF_NOCANCEL; |
|
|
2307 | |
|
|
2308 | if (slf_frame.data) |
|
|
2309 | { |
|
|
2310 | /* while we were busy we have been cancelled, so terminate */ |
|
|
2311 | slf_init_terminate_cancel_common (aTHX_ frame, self->hv); |
|
|
2312 | } |
|
|
2313 | else |
|
|
2314 | { |
|
|
2315 | frame->prepare = prepare_nop; |
|
|
2316 | frame->check = slf_check_nop; |
|
|
2317 | } |
|
|
2318 | } |
|
|
2319 | } |
|
|
2320 | |
|
|
2321 | static int |
|
|
2322 | slf_check_safe_cancel (pTHX_ struct CoroSLF *frame) |
|
|
2323 | { |
|
|
2324 | frame->prepare = 0; |
|
|
2325 | coro_unwind_stacks (aTHX); |
|
|
2326 | |
|
|
2327 | slf_init_terminate_cancel_common (aTHX_ frame, (HV *)SvRV (coro_current)); |
|
|
2328 | |
|
|
2329 | return 1; |
|
|
2330 | } |
|
|
2331 | |
|
|
2332 | static int |
|
|
2333 | safe_cancel (pTHX_ struct coro *coro, SV **arg, int items) |
|
|
2334 | { |
|
|
2335 | if (coro->cctx) |
|
|
2336 | croak ("coro inside C callback, unable to cancel at this time, caught"); |
|
|
2337 | |
|
|
2338 | if (coro->flags & CF_NEW) |
|
|
2339 | { |
|
|
2340 | coro_set_status (aTHX_ coro, arg, items); |
|
|
2341 | coro_state_destroy (aTHX_ coro); |
|
|
2342 | } |
|
|
2343 | else |
|
|
2344 | { |
|
|
2345 | if (!coro->slf_frame.prepare) |
|
|
2346 | croak ("coro outside an SLF function, unable to cancel at this time, caught"); |
|
|
2347 | |
|
|
2348 | slf_destroy (aTHX_ coro); |
|
|
2349 | |
|
|
2350 | coro_set_status (aTHX_ coro, arg, items); |
|
|
2351 | coro->slf_frame.prepare = prepare_nop; |
|
|
2352 | coro->slf_frame.check = slf_check_safe_cancel; |
|
|
2353 | |
|
|
2354 | api_ready (aTHX_ (SV *)coro->hv); |
|
|
2355 | } |
|
|
2356 | |
|
|
2357 | return 1; |
1941 | } |
2358 | } |
1942 | |
2359 | |
1943 | /*****************************************************************************/ |
2360 | /*****************************************************************************/ |
1944 | /* async pool handler */ |
2361 | /* async pool handler */ |
1945 | |
2362 | |
… | |
… | |
1976 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2393 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
1977 | { |
2394 | { |
1978 | HV *hv = (HV *)SvRV (coro_current); |
2395 | HV *hv = (HV *)SvRV (coro_current); |
1979 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
2396 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
1980 | |
2397 | |
1981 | if (expect_true (coro->saved_deffh)) |
2398 | if (ecb_expect_true (coro->saved_deffh)) |
1982 | { |
2399 | { |
1983 | /* subsequent iteration */ |
2400 | /* subsequent iteration */ |
1984 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
2401 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
1985 | coro->saved_deffh = 0; |
2402 | coro->saved_deffh = 0; |
1986 | |
2403 | |
1987 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
2404 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
1988 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
2405 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
1989 | { |
2406 | { |
1990 | coro->invoke_cb = SvREFCNT_inc_NN ((SV *)cv_coro_terminate); |
2407 | slf_init_terminate_cancel_common (aTHX_ frame, hv); |
1991 | coro->invoke_av = newAV (); |
2408 | return; |
1992 | |
|
|
1993 | frame->prepare = prepare_nop; |
|
|
1994 | } |
2409 | } |
1995 | else |
2410 | else |
1996 | { |
2411 | { |
1997 | av_clear (GvAV (PL_defgv)); |
2412 | av_clear (GvAV (PL_defgv)); |
1998 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
2413 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
… | |
… | |
2048 | |
2463 | |
2049 | static int |
2464 | static int |
2050 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
2465 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
2051 | { |
2466 | { |
2052 | SV *data = (SV *)frame->data; |
2467 | SV *data = (SV *)frame->data; |
2053 | |
2468 | |
2054 | if (CORO_THROW) |
2469 | if (CORO_THROW) |
2055 | return 0; |
2470 | return 0; |
2056 | |
2471 | |
2057 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2472 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2058 | return 1; |
2473 | return 1; |
… | |
… | |
2094 | cb = sv_2mortal (coro->rouse_cb); |
2509 | cb = sv_2mortal (coro->rouse_cb); |
2095 | coro->rouse_cb = 0; |
2510 | coro->rouse_cb = 0; |
2096 | } |
2511 | } |
2097 | |
2512 | |
2098 | if (!SvROK (cb) |
2513 | if (!SvROK (cb) |
2099 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2514 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2100 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2515 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2101 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2516 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2102 | |
2517 | |
2103 | { |
2518 | { |
2104 | CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ |
2519 | CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ |
… | |
… | |
2221 | static void |
2636 | static void |
2222 | slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2637 | slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2223 | { |
2638 | { |
2224 | frame->prepare = prepare_cede_notself; |
2639 | frame->prepare = prepare_cede_notself; |
2225 | frame->check = slf_check_nop; |
2640 | frame->check = slf_check_nop; |
|
|
2641 | } |
|
|
2642 | |
|
|
2643 | /* "undo"/cancel a running slf call - used when cancelling a coro, mainly */ |
|
|
2644 | static void |
|
|
2645 | slf_destroy (pTHX_ struct coro *coro) |
|
|
2646 | { |
|
|
2647 | struct CoroSLF frame = coro->slf_frame; |
|
|
2648 | |
|
|
2649 | /* |
|
|
2650 | * The on_destroy below most likely is from an SLF call. |
|
|
2651 | * Since by definition the SLF call will not finish when we destroy |
|
|
2652 | * the coro, we will have to force-finish it here, otherwise |
|
|
2653 | * cleanup functions cannot call SLF functions. |
|
|
2654 | */ |
|
|
2655 | coro->slf_frame.prepare = 0; |
|
|
2656 | |
|
|
2657 | /* this callback is reserved for slf functions needing to do cleanup */ |
|
|
2658 | if (frame.destroy && frame.prepare && !PL_dirty) |
|
|
2659 | frame.destroy (aTHX_ &frame); |
2226 | } |
2660 | } |
2227 | |
2661 | |
2228 | /* |
2662 | /* |
2229 | * these not obviously related functions are all rolled into one |
2663 | * these not obviously related functions are all rolled into one |
2230 | * function to increase chances that they all will call transfer with the same |
2664 | * function to increase chances that they all will call transfer with the same |
… | |
… | |
2237 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
2671 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
2238 | |
2672 | |
2239 | /* set up the slf frame, unless it has already been set-up */ |
2673 | /* set up the slf frame, unless it has already been set-up */ |
2240 | /* the latter happens when a new coro has been started */ |
2674 | /* the latter happens when a new coro has been started */ |
2241 | /* or when a new cctx was attached to an existing coroutine */ |
2675 | /* or when a new cctx was attached to an existing coroutine */ |
2242 | if (expect_true (!slf_frame.prepare)) |
2676 | if (ecb_expect_true (!slf_frame.prepare)) |
2243 | { |
2677 | { |
2244 | /* first iteration */ |
2678 | /* first iteration */ |
2245 | dSP; |
2679 | dSP; |
2246 | SV **arg = PL_stack_base + TOPMARK + 1; |
2680 | SV **arg = PL_stack_base + TOPMARK + 1; |
2247 | int items = SP - arg; /* args without function object */ |
2681 | int items = SP - arg; /* args without function object */ |
… | |
… | |
2288 | while (slf_frame.check (aTHX_ &slf_frame)); |
2722 | while (slf_frame.check (aTHX_ &slf_frame)); |
2289 | |
2723 | |
2290 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
2724 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
2291 | |
2725 | |
2292 | /* exception handling */ |
2726 | /* exception handling */ |
2293 | if (expect_false (CORO_THROW)) |
2727 | if (ecb_expect_false (CORO_THROW)) |
2294 | { |
2728 | { |
2295 | SV *exception = sv_2mortal (CORO_THROW); |
2729 | SV *exception = sv_2mortal (CORO_THROW); |
2296 | |
2730 | |
2297 | CORO_THROW = 0; |
2731 | CORO_THROW = 0; |
2298 | sv_setsv (ERRSV, exception); |
2732 | sv_setsv (ERRSV, exception); |
2299 | croak (0); |
2733 | croak (0); |
2300 | } |
2734 | } |
2301 | |
2735 | |
2302 | /* return value handling - mostly like entersub */ |
2736 | /* return value handling - mostly like entersub */ |
2303 | /* make sure we put something on the stack in scalar context */ |
2737 | /* make sure we put something on the stack in scalar context */ |
2304 | if (GIMME_V == G_SCALAR) |
2738 | if (GIMME_V == G_SCALAR |
|
|
2739 | && ecb_expect_false (PL_stack_sp != PL_stack_base + checkmark + 1)) |
2305 | { |
2740 | { |
2306 | dSP; |
2741 | dSP; |
2307 | SV **bot = PL_stack_base + checkmark; |
2742 | SV **bot = PL_stack_base + checkmark; |
2308 | |
2743 | |
2309 | if (sp == bot) /* too few, push undef */ |
2744 | if (sp == bot) /* too few, push undef */ |
2310 | bot [1] = &PL_sv_undef; |
2745 | bot [1] = &PL_sv_undef; |
2311 | else if (sp != bot + 1) /* too many, take last one */ |
2746 | else /* too many, take last one */ |
2312 | bot [1] = *sp; |
2747 | bot [1] = *sp; |
2313 | |
2748 | |
2314 | SP = bot + 1; |
2749 | SP = bot + 1; |
2315 | |
2750 | |
2316 | PUTBACK; |
2751 | PUTBACK; |
… | |
… | |
2349 | if (PL_op->op_flags & OPf_STACKED) |
2784 | if (PL_op->op_flags & OPf_STACKED) |
2350 | { |
2785 | { |
2351 | if (items > slf_arga) |
2786 | if (items > slf_arga) |
2352 | { |
2787 | { |
2353 | slf_arga = items; |
2788 | slf_arga = items; |
2354 | free (slf_argv); |
2789 | Safefree (slf_argv); |
2355 | slf_argv = malloc (slf_arga * sizeof (SV *)); |
2790 | New (0, slf_argv, slf_arga, SV *); |
2356 | } |
2791 | } |
2357 | |
2792 | |
2358 | slf_argc = items; |
2793 | slf_argc = items; |
2359 | |
2794 | |
2360 | for (i = 0; i < items; ++i) |
2795 | for (i = 0; i < items; ++i) |
… | |
… | |
2414 | { |
2849 | { |
2415 | SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_leave); |
2850 | SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_leave); |
2416 | on_enterleave_call (aTHX_ sv_2mortal (cb)); |
2851 | on_enterleave_call (aTHX_ sv_2mortal (cb)); |
2417 | } |
2852 | } |
2418 | |
2853 | |
|
|
2854 | static void |
|
|
2855 | enterleave_hook_xs (pTHX_ struct coro *coro, AV **avp, coro_enterleave_hook hook, void *arg) |
|
|
2856 | { |
|
|
2857 | if (!hook) |
|
|
2858 | return; |
|
|
2859 | |
|
|
2860 | if (!*avp) |
|
|
2861 | { |
|
|
2862 | *avp = newAV (); |
|
|
2863 | AvREAL_off (*avp); |
|
|
2864 | } |
|
|
2865 | |
|
|
2866 | av_push (*avp, (SV *)hook); |
|
|
2867 | av_push (*avp, (SV *)arg); |
|
|
2868 | } |
|
|
2869 | |
|
|
2870 | static void |
|
|
2871 | enterleave_unhook_xs (pTHX_ struct coro *coro, AV **avp, coro_enterleave_hook hook, int execute) |
|
|
2872 | { |
|
|
2873 | AV *av = *avp; |
|
|
2874 | int i; |
|
|
2875 | |
|
|
2876 | if (!av) |
|
|
2877 | return; |
|
|
2878 | |
|
|
2879 | for (i = AvFILLp (av) - 1; i >= 0; i -= 2) |
|
|
2880 | if (AvARRAY (av)[i] == (SV *)hook) |
|
|
2881 | { |
|
|
2882 | if (execute) |
|
|
2883 | hook ((void *)AvARRAY (av)[i + 1]); |
|
|
2884 | |
|
|
2885 | memmove (AvARRAY (av) + i, AvARRAY (av) + i + 2, AvFILLp (av) - i - 1); |
|
|
2886 | av_pop (av); |
|
|
2887 | av_pop (av); |
|
|
2888 | break; |
|
|
2889 | } |
|
|
2890 | |
|
|
2891 | if (AvFILLp (av) >= 0) |
|
|
2892 | { |
|
|
2893 | *avp = 0; |
|
|
2894 | SvREFCNT_dec_NN (av); |
|
|
2895 | } |
|
|
2896 | } |
|
|
2897 | |
|
|
2898 | static void |
|
|
2899 | api_enterleave_hook (pTHX_ SV *coro_sv, coro_enterleave_hook enter, void *enter_arg, coro_enterleave_hook leave, void *leave_arg) |
|
|
2900 | { |
|
|
2901 | struct coro *coro = SvSTATE (coro_sv); |
|
|
2902 | |
|
|
2903 | if (SvSTATE_current == coro) |
|
|
2904 | if (enter) |
|
|
2905 | enter (aTHX enter_arg); |
|
|
2906 | |
|
|
2907 | enterleave_hook_xs (aTHX_ coro, &coro->on_enter_xs, enter, enter_arg); |
|
|
2908 | enterleave_hook_xs (aTHX_ coro, &coro->on_leave_xs, leave, leave_arg); |
|
|
2909 | } |
|
|
2910 | |
|
|
2911 | static void |
|
|
2912 | api_enterleave_unhook (pTHX_ SV *coro_sv, coro_enterleave_hook enter, coro_enterleave_hook leave) |
|
|
2913 | { |
|
|
2914 | struct coro *coro = SvSTATE (coro_sv); |
|
|
2915 | |
|
|
2916 | enterleave_unhook_xs (aTHX_ coro, &coro->on_enter_xs, enter, 0); |
|
|
2917 | enterleave_unhook_xs (aTHX_ coro, &coro->on_leave_xs, leave, SvSTATE_current == coro); |
|
|
2918 | } |
|
|
2919 | |
|
|
2920 | static void |
|
|
2921 | savedestructor_unhook_enter (pTHX_ coro_enterleave_hook enter) |
|
|
2922 | { |
|
|
2923 | struct coro *coro = SvSTATE_current; |
|
|
2924 | |
|
|
2925 | enterleave_unhook_xs (aTHX_ coro, &coro->on_enter_xs, enter, 0); |
|
|
2926 | } |
|
|
2927 | |
|
|
2928 | static void |
|
|
2929 | savedestructor_unhook_leave (pTHX_ coro_enterleave_hook leave) |
|
|
2930 | { |
|
|
2931 | struct coro *coro = SvSTATE_current; |
|
|
2932 | |
|
|
2933 | enterleave_unhook_xs (aTHX_ coro, &coro->on_leave_xs, leave, 1); |
|
|
2934 | } |
|
|
2935 | |
|
|
2936 | static void |
|
|
2937 | api_enterleave_scope_hook (pTHX_ coro_enterleave_hook enter, void *enter_arg, coro_enterleave_hook leave, void *leave_arg) |
|
|
2938 | { |
|
|
2939 | api_enterleave_hook (aTHX_ coro_current, enter, enter_arg, leave, leave_arg); |
|
|
2940 | |
|
|
2941 | /* this ought to be much cheaper than malloc + a single destructor call */ |
|
|
2942 | if (enter) SAVEDESTRUCTOR_X (savedestructor_unhook_enter, enter); |
|
|
2943 | if (leave) SAVEDESTRUCTOR_X (savedestructor_unhook_leave, leave); |
|
|
2944 | } |
|
|
2945 | |
2419 | /*****************************************************************************/ |
2946 | /*****************************************************************************/ |
2420 | /* PerlIO::cede */ |
2947 | /* PerlIO::cede */ |
2421 | |
2948 | |
2422 | typedef struct |
2949 | typedef struct |
2423 | { |
2950 | { |
2424 | PerlIOBuf base; |
2951 | PerlIOBuf base; |
2425 | NV next, every; |
2952 | NV next, every; |
2426 | } PerlIOCede; |
2953 | } PerlIOCede; |
2427 | |
2954 | |
2428 | static IV |
2955 | static IV ecb_cold |
2429 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
2956 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
2430 | { |
2957 | { |
2431 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2958 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2432 | |
2959 | |
2433 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
2960 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
2434 | self->next = nvtime () + self->every; |
2961 | self->next = nvtime () + self->every; |
2435 | |
2962 | |
2436 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
2963 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
2437 | } |
2964 | } |
2438 | |
2965 | |
2439 | static SV * |
2966 | static SV * ecb_cold |
2440 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
2967 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
2441 | { |
2968 | { |
2442 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2969 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2443 | |
2970 | |
2444 | return newSVnv (self->every); |
2971 | return newSVnv (self->every); |
… | |
… | |
2551 | XPUSHs (sv_2mortal (newRV_inc ((SV *)av))); |
3078 | XPUSHs (sv_2mortal (newRV_inc ((SV *)av))); |
2552 | PUTBACK; |
3079 | PUTBACK; |
2553 | call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR); |
3080 | call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR); |
2554 | } |
3081 | } |
2555 | |
3082 | |
2556 | SvREFCNT_dec (cb); |
3083 | SvREFCNT_dec_NN (cb); |
2557 | } |
3084 | } |
2558 | } |
3085 | } |
2559 | |
3086 | |
2560 | static void |
3087 | static void |
2561 | coro_semaphore_on_destroy (pTHX_ struct coro *coro) |
3088 | coro_semaphore_destroy (pTHX_ struct CoroSLF *frame) |
2562 | { |
3089 | { |
2563 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
3090 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
2564 | coro_semaphore_adjust (aTHX_ (AV *)coro->slf_frame.data, 0); |
3091 | coro_semaphore_adjust (aTHX_ (AV *)frame->data, 0); |
2565 | } |
3092 | } |
2566 | |
3093 | |
2567 | static int |
3094 | static int |
2568 | slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire) |
3095 | slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire) |
2569 | { |
3096 | { |
2570 | AV *av = (AV *)frame->data; |
3097 | AV *av = (AV *)frame->data; |
2571 | SV *count_sv = AvARRAY (av)[0]; |
3098 | SV *count_sv = AvARRAY (av)[0]; |
|
|
3099 | SV *coro_hv = SvRV (coro_current); |
|
|
3100 | |
|
|
3101 | frame->destroy = 0; |
2572 | |
3102 | |
2573 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
3103 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2574 | if (CORO_THROW) |
3104 | if (ecb_expect_false (CORO_THROW)) |
|
|
3105 | { |
|
|
3106 | /* we still might be responsible for the semaphore, so wake up others */ |
|
|
3107 | coro_semaphore_adjust (aTHX_ av, 0); |
|
|
3108 | |
2575 | return 0; |
3109 | return 0; |
|
|
3110 | } |
2576 | else if (SvIVX (count_sv) > 0) |
3111 | else if (SvIVX (count_sv) > 0) |
2577 | { |
3112 | { |
2578 | SvSTATE_current->on_destroy = 0; |
|
|
2579 | |
|
|
2580 | if (acquire) |
3113 | if (acquire) |
2581 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
3114 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2582 | else |
3115 | else |
2583 | coro_semaphore_adjust (aTHX_ av, 0); |
3116 | coro_semaphore_adjust (aTHX_ av, 0); |
2584 | |
3117 | |
… | |
… | |
2588 | { |
3121 | { |
2589 | int i; |
3122 | int i; |
2590 | /* if we were woken up but can't down, we look through the whole */ |
3123 | /* if we were woken up but can't down, we look through the whole */ |
2591 | /* waiters list and only add us if we aren't in there already */ |
3124 | /* waiters list and only add us if we aren't in there already */ |
2592 | /* this avoids some degenerate memory usage cases */ |
3125 | /* this avoids some degenerate memory usage cases */ |
2593 | |
3126 | for (i = AvFILLp (av); i > 0; --i) /* i > 0 is not an off-by-one bug */ |
2594 | for (i = 1; i <= AvFILLp (av); ++i) |
|
|
2595 | if (AvARRAY (av)[i] == SvRV (coro_current)) |
3127 | if (AvARRAY (av)[i] == coro_hv) |
2596 | return 1; |
3128 | return 1; |
2597 | |
3129 | |
2598 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
3130 | av_push (av, SvREFCNT_inc (coro_hv)); |
2599 | return 1; |
3131 | return 1; |
2600 | } |
3132 | } |
2601 | } |
3133 | } |
2602 | |
3134 | |
2603 | static int |
3135 | static int |
… | |
… | |
2626 | { |
3158 | { |
2627 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
3159 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2628 | |
3160 | |
2629 | frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); |
3161 | frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); |
2630 | frame->prepare = prepare_schedule; |
3162 | frame->prepare = prepare_schedule; |
2631 | |
|
|
2632 | /* to avoid race conditions when a woken-up coro gets terminated */ |
3163 | /* to avoid race conditions when a woken-up coro gets terminated */ |
2633 | /* we arrange for a temporary on_destroy that calls adjust (0) */ |
3164 | /* we arrange for a temporary on_destroy that calls adjust (0) */ |
2634 | SvSTATE_current->on_destroy = coro_semaphore_on_destroy; |
3165 | frame->destroy = coro_semaphore_destroy; |
2635 | } |
3166 | } |
2636 | } |
3167 | } |
2637 | |
3168 | |
2638 | static void |
3169 | static void |
2639 | slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
3170 | slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
… | |
… | |
2697 | { |
3228 | { |
2698 | api_ready (aTHX_ cb); |
3229 | api_ready (aTHX_ cb); |
2699 | sv_setiv (cb, 0); /* signal waiter */ |
3230 | sv_setiv (cb, 0); /* signal waiter */ |
2700 | } |
3231 | } |
2701 | |
3232 | |
2702 | SvREFCNT_dec (cb); |
3233 | SvREFCNT_dec_NN (cb); |
2703 | |
3234 | |
2704 | --count; |
3235 | --count; |
2705 | } |
3236 | } |
2706 | } |
3237 | } |
2707 | |
3238 | |
… | |
… | |
2721 | { |
3252 | { |
2722 | SV *cb_cv = s_get_cv_croak (arg [1]); |
3253 | SV *cb_cv = s_get_cv_croak (arg [1]); |
2723 | av_push (av, SvREFCNT_inc_NN (cb_cv)); |
3254 | av_push (av, SvREFCNT_inc_NN (cb_cv)); |
2724 | |
3255 | |
2725 | if (SvIVX (AvARRAY (av)[0])) |
3256 | if (SvIVX (AvARRAY (av)[0])) |
2726 | coro_signal_wake (aTHX_ av, 1); /* ust be the only waiter */ |
3257 | coro_signal_wake (aTHX_ av, 1); /* must be the only waiter */ |
2727 | |
3258 | |
2728 | frame->prepare = prepare_nop; |
3259 | frame->prepare = prepare_nop; |
2729 | frame->check = slf_check_nop; |
3260 | frame->check = slf_check_nop; |
2730 | } |
3261 | } |
2731 | else if (SvIVX (AvARRAY (av)[0])) |
3262 | else if (SvIVX (AvARRAY (av)[0])) |
… | |
… | |
2792 | } |
3323 | } |
2793 | |
3324 | |
2794 | av_push (state, data_sv); |
3325 | av_push (state, data_sv); |
2795 | |
3326 | |
2796 | api_ready (aTHX_ coro); |
3327 | api_ready (aTHX_ coro); |
2797 | SvREFCNT_dec (coro); |
3328 | SvREFCNT_dec_NN (coro); |
2798 | SvREFCNT_dec ((AV *)state); |
3329 | SvREFCNT_dec_NN ((AV *)state); |
2799 | } |
3330 | } |
2800 | |
3331 | |
2801 | static int |
3332 | static int |
2802 | slf_check_aio_req (pTHX_ struct CoroSLF *frame) |
3333 | slf_check_aio_req (pTHX_ struct CoroSLF *frame) |
2803 | { |
3334 | { |
… | |
… | |
2808 | /* it quickly returns */ |
3339 | /* it quickly returns */ |
2809 | if (CORO_THROW) |
3340 | if (CORO_THROW) |
2810 | return 0; |
3341 | return 0; |
2811 | |
3342 | |
2812 | /* one element that is an RV? repeat! */ |
3343 | /* one element that is an RV? repeat! */ |
2813 | if (AvFILLp (state) == 0 && SvROK (AvARRAY (state)[0])) |
3344 | if (AvFILLp (state) == 0 && SvTYPE (AvARRAY (state)[0]) != SVt_PV) |
2814 | return 1; |
3345 | return 1; |
2815 | |
3346 | |
2816 | /* restore status */ |
3347 | /* restore status */ |
2817 | { |
3348 | { |
2818 | SV *data_sv = av_pop (state); |
3349 | SV *data_sv = av_pop (state); |
… | |
… | |
2821 | errno = data->errorno; |
3352 | errno = data->errorno; |
2822 | PL_laststype = data->laststype; |
3353 | PL_laststype = data->laststype; |
2823 | PL_laststatval = data->laststatval; |
3354 | PL_laststatval = data->laststatval; |
2824 | PL_statcache = data->statcache; |
3355 | PL_statcache = data->statcache; |
2825 | |
3356 | |
2826 | SvREFCNT_dec (data_sv); |
3357 | SvREFCNT_dec_NN (data_sv); |
2827 | } |
3358 | } |
2828 | |
3359 | |
2829 | /* push result values */ |
3360 | /* push result values */ |
2830 | { |
3361 | { |
2831 | dSP; |
3362 | dSP; |
… | |
… | |
2857 | dSP; |
3388 | dSP; |
2858 | |
3389 | |
2859 | static SV *prio_cv; |
3390 | static SV *prio_cv; |
2860 | static SV *prio_sv; |
3391 | static SV *prio_sv; |
2861 | |
3392 | |
2862 | if (expect_false (!prio_cv)) |
3393 | if (ecb_expect_false (!prio_cv)) |
2863 | { |
3394 | { |
2864 | prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0); |
3395 | prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0); |
2865 | prio_sv = newSViv (0); |
3396 | prio_sv = newSViv (0); |
2866 | } |
3397 | } |
2867 | |
3398 | |
… | |
… | |
2893 | /* now call the AIO function - we assume our request is uncancelable */ |
3424 | /* now call the AIO function - we assume our request is uncancelable */ |
2894 | PUTBACK; |
3425 | PUTBACK; |
2895 | call_sv ((SV *)req, G_VOID | G_DISCARD); |
3426 | call_sv ((SV *)req, G_VOID | G_DISCARD); |
2896 | } |
3427 | } |
2897 | |
3428 | |
2898 | /* now that the requets is going, we loop toll we have a result */ |
3429 | /* now that the request is going, we loop till we have a result */ |
2899 | frame->data = (void *)state; |
3430 | frame->data = (void *)state; |
2900 | frame->prepare = prepare_schedule; |
3431 | frame->prepare = prepare_schedule; |
2901 | frame->check = slf_check_aio_req; |
3432 | frame->check = slf_check_aio_req; |
2902 | } |
3433 | } |
2903 | |
3434 | |
… | |
… | |
2918 | #endif |
3449 | #endif |
2919 | |
3450 | |
2920 | /*****************************************************************************/ |
3451 | /*****************************************************************************/ |
2921 | |
3452 | |
2922 | static SV * |
3453 | static SV * |
2923 | coro_new (HV *stash, SV **argv, int argc, int is_coro) |
3454 | coro_new (pTHX_ HV *stash, SV **argv, int argc, int is_coro) |
2924 | { |
3455 | { |
2925 | SV *coro_sv; |
3456 | SV *coro_sv; |
2926 | struct coro *coro; |
3457 | struct coro *coro; |
2927 | MAGIC *mg; |
3458 | MAGIC *mg; |
2928 | HV *hv; |
3459 | HV *hv; |
… | |
… | |
2973 | } |
3504 | } |
2974 | |
3505 | |
2975 | return coro_sv; |
3506 | return coro_sv; |
2976 | } |
3507 | } |
2977 | |
3508 | |
|
|
3509 | #ifndef __cplusplus |
|
|
3510 | ecb_cold XS(boot_Coro__State); |
|
|
3511 | #endif |
|
|
3512 | |
|
|
3513 | #if CORO_JIT |
|
|
3514 | |
|
|
3515 | static void ecb_noinline ecb_cold |
|
|
3516 | pushav_4uv (pTHX_ UV a, UV b, UV c, UV d) |
|
|
3517 | { |
|
|
3518 | dSP; |
|
|
3519 | AV *av = newAV (); |
|
|
3520 | |
|
|
3521 | av_store (av, 3, newSVuv (d)); |
|
|
3522 | av_store (av, 2, newSVuv (c)); |
|
|
3523 | av_store (av, 1, newSVuv (b)); |
|
|
3524 | av_store (av, 0, newSVuv (a)); |
|
|
3525 | |
|
|
3526 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
3527 | |
|
|
3528 | PUTBACK; |
|
|
3529 | } |
|
|
3530 | |
|
|
3531 | static void ecb_noinline ecb_cold |
|
|
3532 | jit_init (pTHX) |
|
|
3533 | { |
|
|
3534 | dSP; |
|
|
3535 | SV *load, *save; |
|
|
3536 | char *map_base; |
|
|
3537 | char *load_ptr, *save_ptr; |
|
|
3538 | STRLEN load_len, save_len, map_len; |
|
|
3539 | int count; |
|
|
3540 | |
|
|
3541 | eval_pv ("require 'Coro/jit-" CORO_JIT_TYPE ".pl'", 1); |
|
|
3542 | |
|
|
3543 | PUSHMARK (SP); |
|
|
3544 | #define VARx(name,expr,type) pushav_4uv (aTHX_ (UV)&(expr), sizeof (expr), offsetof (perl_slots, name), sizeof (type)); |
|
|
3545 | #include "state.h" |
|
|
3546 | count = call_pv ("Coro::State::_jit", G_ARRAY); |
|
|
3547 | SPAGAIN; |
|
|
3548 | |
|
|
3549 | save = POPs; save_ptr = SvPVbyte (save, save_len); |
|
|
3550 | load = POPs; load_ptr = SvPVbyte (load, load_len); |
|
|
3551 | |
|
|
3552 | map_len = load_len + save_len + 16; |
|
|
3553 | |
|
|
3554 | map_base = mmap (0, map_len, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); |
|
|
3555 | |
|
|
3556 | assert (("Coro: unable to mmap jit code page, cannot continue.", map_base != (char *)MAP_FAILED)); |
|
|
3557 | |
|
|
3558 | load_perl_slots = (load_save_perl_slots_type)map_base; |
|
|
3559 | memcpy (map_base, load_ptr, load_len); |
|
|
3560 | |
|
|
3561 | map_base += (load_len + 15) & ~15; |
|
|
3562 | |
|
|
3563 | save_perl_slots = (load_save_perl_slots_type)map_base; |
|
|
3564 | memcpy (map_base, save_ptr, save_len); |
|
|
3565 | |
|
|
3566 | /* we are good citizens and try to make the page read-only, so the evil evil */ |
|
|
3567 | /* hackers might have it a bit more difficult */ |
|
|
3568 | mprotect (map_base, map_len, PROT_READ | PROT_EXEC); |
|
|
3569 | |
|
|
3570 | PUTBACK; |
|
|
3571 | eval_pv ("undef &Coro::State::_jit", 1); |
|
|
3572 | } |
|
|
3573 | |
|
|
3574 | #endif |
|
|
3575 | |
2978 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
3576 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
2979 | |
3577 | |
2980 | PROTOTYPES: DISABLE |
3578 | PROTOTYPES: DISABLE |
2981 | |
3579 | |
2982 | BOOT: |
3580 | BOOT: |
2983 | { |
3581 | { |
|
|
3582 | #define VARx(name,expr,type) if (sizeof (type) < sizeof (expr)) croak ("FATAL: Coro thread context slot '" # name "' too small for this version of perl."); |
|
|
3583 | #include "state.h" |
2984 | #ifdef USE_ITHREADS |
3584 | #ifdef USE_ITHREADS |
2985 | # if CORO_PTHREAD |
3585 | # if CORO_PTHREAD |
2986 | coro_thx = PERL_GET_CONTEXT; |
3586 | coro_thx = PERL_GET_CONTEXT; |
2987 | # endif |
3587 | # endif |
2988 | #endif |
3588 | #endif |
2989 | BOOT_PAGESIZE; |
3589 | /* perl defines these to check for existance first, but why it doesn't */ |
|
|
3590 | /* just create them one at init time is not clear to me, except for */ |
|
|
3591 | /* programs trying to delete them, but... */ |
|
|
3592 | /* anyway, we declare this as invalid and make sure they are initialised here */ |
|
|
3593 | DEFSV; |
|
|
3594 | ERRSV; |
2990 | |
3595 | |
2991 | cctx_current = cctx_new_empty (); |
3596 | cctx_current = cctx_new_empty (); |
2992 | |
3597 | |
2993 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3598 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
2994 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3599 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
… | |
… | |
3034 | coroapi.prepare_nop = prepare_nop; |
3639 | coroapi.prepare_nop = prepare_nop; |
3035 | coroapi.prepare_schedule = prepare_schedule; |
3640 | coroapi.prepare_schedule = prepare_schedule; |
3036 | coroapi.prepare_cede = prepare_cede; |
3641 | coroapi.prepare_cede = prepare_cede; |
3037 | coroapi.prepare_cede_notself = prepare_cede_notself; |
3642 | coroapi.prepare_cede_notself = prepare_cede_notself; |
3038 | |
3643 | |
3039 | { |
3644 | time_init (aTHX); |
3040 | SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
|
|
3041 | |
|
|
3042 | if (!svp) croak ("Time::HiRes is required"); |
|
|
3043 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer"); |
|
|
3044 | |
|
|
3045 | nvtime = INT2PTR (double (*)(), SvIV (*svp)); |
|
|
3046 | |
|
|
3047 | svp = hv_fetch (PL_modglobal, "Time::U2time", 12, 0); |
|
|
3048 | u2time = INT2PTR (void (*)(pTHX_ UV ret[2]), SvIV (*svp)); |
|
|
3049 | } |
|
|
3050 | |
3645 | |
3051 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
3646 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
|
|
3647 | #if CORO_JIT |
|
|
3648 | PUTBACK; |
|
|
3649 | jit_init (aTHX); |
|
|
3650 | SPAGAIN; |
|
|
3651 | #endif |
3052 | } |
3652 | } |
3053 | |
3653 | |
3054 | SV * |
3654 | SV * |
3055 | new (SV *klass, ...) |
3655 | new (SV *klass, ...) |
3056 | ALIAS: |
3656 | ALIAS: |
3057 | Coro::new = 1 |
3657 | Coro::new = 1 |
3058 | CODE: |
3658 | CODE: |
3059 | RETVAL = coro_new (ix ? coro_stash : coro_state_stash, &ST (1), items - 1, ix); |
3659 | RETVAL = coro_new (aTHX_ ix ? coro_stash : coro_state_stash, &ST (1), items - 1, ix); |
3060 | OUTPUT: |
3660 | OUTPUT: |
3061 | RETVAL |
3661 | RETVAL |
3062 | |
3662 | |
3063 | void |
3663 | void |
3064 | transfer (...) |
3664 | transfer (...) |
3065 | PROTOTYPE: $$ |
3665 | PROTOTYPE: $$ |
3066 | CODE: |
3666 | CODE: |
3067 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3667 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3068 | |
|
|
3069 | bool |
|
|
3070 | _destroy (SV *coro_sv) |
|
|
3071 | CODE: |
|
|
3072 | RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv)); |
|
|
3073 | OUTPUT: |
|
|
3074 | RETVAL |
|
|
3075 | |
|
|
3076 | void |
|
|
3077 | _exit (int code) |
|
|
3078 | PROTOTYPE: $ |
|
|
3079 | CODE: |
|
|
3080 | _exit (code); |
|
|
3081 | |
3668 | |
3082 | SV * |
3669 | SV * |
3083 | clone (Coro::State coro) |
3670 | clone (Coro::State coro) |
3084 | CODE: |
3671 | CODE: |
3085 | { |
3672 | { |
… | |
… | |
3140 | void |
3727 | void |
3141 | list () |
3728 | list () |
3142 | PROTOTYPE: |
3729 | PROTOTYPE: |
3143 | PPCODE: |
3730 | PPCODE: |
3144 | { |
3731 | { |
3145 | struct coro *coro; |
3732 | struct coro *coro; |
3146 | for (coro = coro_first; coro; coro = coro->next) |
3733 | for (coro = coro_first; coro; coro = coro->next) |
3147 | if (coro->hv) |
3734 | if (coro->hv) |
3148 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
3735 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
3149 | } |
3736 | } |
3150 | |
3737 | |
… | |
… | |
3155 | CODE: |
3742 | CODE: |
3156 | { |
3743 | { |
3157 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
3744 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
3158 | { |
3745 | { |
3159 | struct coro *current = SvSTATE_current; |
3746 | struct coro *current = SvSTATE_current; |
|
|
3747 | struct CoroSLF slf_save; |
3160 | |
3748 | |
3161 | if (current != coro) |
3749 | if (current != coro) |
3162 | { |
3750 | { |
3163 | PUTBACK; |
3751 | PUTBACK; |
3164 | save_perl (aTHX_ current); |
3752 | save_perl (aTHX_ current); |
3165 | load_perl (aTHX_ coro); |
3753 | load_perl (aTHX_ coro); |
|
|
3754 | /* the coro is most likely in an active SLF call. |
|
|
3755 | * while not strictly required (the code we execute is |
|
|
3756 | * not allowed to call any SLF functions), it's cleaner |
|
|
3757 | * to reinitialise the slf_frame and restore it later. |
|
|
3758 | * This might one day allow us to actually do SLF calls |
|
|
3759 | * from code executed here. |
|
|
3760 | */ |
|
|
3761 | slf_save = slf_frame; |
|
|
3762 | slf_frame.prepare = 0; |
3166 | SPAGAIN; |
3763 | SPAGAIN; |
3167 | } |
3764 | } |
3168 | |
3765 | |
3169 | PUSHSTACK; |
3766 | PUSHSTACK; |
3170 | |
3767 | |
… | |
… | |
3180 | SPAGAIN; |
3777 | SPAGAIN; |
3181 | |
3778 | |
3182 | if (current != coro) |
3779 | if (current != coro) |
3183 | { |
3780 | { |
3184 | PUTBACK; |
3781 | PUTBACK; |
|
|
3782 | slf_frame = slf_save; |
3185 | save_perl (aTHX_ coro); |
3783 | save_perl (aTHX_ coro); |
3186 | load_perl (aTHX_ current); |
3784 | load_perl (aTHX_ current); |
3187 | SPAGAIN; |
3785 | SPAGAIN; |
3188 | } |
3786 | } |
3189 | } |
3787 | } |
… | |
… | |
3194 | PROTOTYPE: $ |
3792 | PROTOTYPE: $ |
3195 | ALIAS: |
3793 | ALIAS: |
3196 | is_ready = CF_READY |
3794 | is_ready = CF_READY |
3197 | is_running = CF_RUNNING |
3795 | is_running = CF_RUNNING |
3198 | is_new = CF_NEW |
3796 | is_new = CF_NEW |
3199 | is_destroyed = CF_DESTROYED |
3797 | is_destroyed = CF_ZOMBIE |
|
|
3798 | is_zombie = CF_ZOMBIE |
3200 | is_suspended = CF_SUSPENDED |
3799 | is_suspended = CF_SUSPENDED |
3201 | CODE: |
3800 | CODE: |
3202 | RETVAL = boolSV (coro->flags & ix); |
3801 | RETVAL = boolSV (coro->flags & ix); |
3203 | OUTPUT: |
3802 | OUTPUT: |
3204 | RETVAL |
3803 | RETVAL |
3205 | |
3804 | |
3206 | void |
3805 | void |
3207 | throw (Coro::State self, SV *throw = &PL_sv_undef) |
3806 | throw (SV *self, SV *exception = &PL_sv_undef) |
3208 | PROTOTYPE: $;$ |
3807 | PROTOTYPE: $;$ |
3209 | CODE: |
3808 | CODE: |
3210 | { |
3809 | { |
|
|
3810 | struct coro *coro = SvSTATE (self); |
3211 | struct coro *current = SvSTATE_current; |
3811 | struct coro *current = SvSTATE_current; |
3212 | SV **throwp = self == current ? &CORO_THROW : &self->except; |
3812 | SV **exceptionp = coro == current ? &CORO_THROW : &coro->except; |
3213 | SvREFCNT_dec (*throwp); |
3813 | SvREFCNT_dec (*exceptionp); |
3214 | SvGETMAGIC (throw); |
3814 | SvGETMAGIC (exception); |
3215 | *throwp = SvOK (throw) ? newSVsv (throw) : 0; |
3815 | *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; |
|
|
3816 | |
|
|
3817 | api_ready (aTHX_ self); |
3216 | } |
3818 | } |
3217 | |
3819 | |
3218 | void |
3820 | void |
3219 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3821 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3220 | PROTOTYPE: $;$ |
3822 | PROTOTYPE: $;$ |
… | |
… | |
3275 | |
3877 | |
3276 | void |
3878 | void |
3277 | cancel (Coro::State self) |
3879 | cancel (Coro::State self) |
3278 | CODE: |
3880 | CODE: |
3279 | coro_state_destroy (aTHX_ self); |
3881 | coro_state_destroy (aTHX_ self); |
3280 | coro_call_on_destroy (aTHX_ self); /* actually only for Coro objects */ |
|
|
3281 | |
|
|
3282 | |
3882 | |
3283 | SV * |
3883 | SV * |
3284 | enable_times (int enabled = enable_times) |
3884 | enable_times (int enabled = enable_times) |
3285 | CODE: |
3885 | CODE: |
3286 | { |
3886 | { |
… | |
… | |
3299 | |
3899 | |
3300 | void |
3900 | void |
3301 | times (Coro::State self) |
3901 | times (Coro::State self) |
3302 | PPCODE: |
3902 | PPCODE: |
3303 | { |
3903 | { |
3304 | struct coro *current = SvSTATE (coro_current); |
3904 | struct coro *current = SvSTATE (coro_current); |
3305 | |
3905 | |
3306 | if (expect_false (current == self)) |
3906 | if (ecb_expect_false (current == self)) |
3307 | { |
3907 | { |
3308 | coro_times_update (); |
3908 | coro_times_update (); |
3309 | coro_times_add (SvSTATE (coro_current)); |
3909 | coro_times_add (SvSTATE (coro_current)); |
3310 | } |
3910 | } |
3311 | |
3911 | |
3312 | EXTEND (SP, 2); |
3912 | EXTEND (SP, 2); |
3313 | PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9))); |
3913 | PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9))); |
3314 | PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9))); |
3914 | PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9))); |
3315 | |
3915 | |
3316 | if (expect_false (current == self)) |
3916 | if (ecb_expect_false (current == self)) |
3317 | coro_times_sub (SvSTATE (coro_current)); |
3917 | coro_times_sub (SvSTATE (coro_current)); |
3318 | } |
3918 | } |
|
|
3919 | |
|
|
3920 | void |
|
|
3921 | swap_sv (Coro::State coro, SV *sv, SV *swapsv) |
|
|
3922 | CODE: |
|
|
3923 | { |
|
|
3924 | struct coro *current = SvSTATE_current; |
|
|
3925 | |
|
|
3926 | if (current == coro) |
|
|
3927 | SWAP_SVS (current); |
|
|
3928 | |
|
|
3929 | if (!coro->swap_sv) |
|
|
3930 | coro->swap_sv = newAV (); |
|
|
3931 | |
|
|
3932 | av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (sv ))); |
|
|
3933 | av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (swapsv))); |
|
|
3934 | |
|
|
3935 | if (current == coro) |
|
|
3936 | SWAP_SVS (current); |
|
|
3937 | } |
|
|
3938 | |
3319 | |
3939 | |
3320 | MODULE = Coro::State PACKAGE = Coro |
3940 | MODULE = Coro::State PACKAGE = Coro |
3321 | |
3941 | |
3322 | BOOT: |
3942 | BOOT: |
3323 | { |
3943 | { |
3324 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3944 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3325 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3945 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3326 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
3946 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
3327 | cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD); |
|
|
3328 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
3947 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
3329 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
3948 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
3330 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
3949 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
3331 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
3950 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
3332 | sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); |
3951 | sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); |
3333 | |
3952 | |
3334 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3953 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3335 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
3954 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
3336 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
3955 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
3337 | cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new); |
3956 | CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */ |
3338 | |
3957 | |
3339 | coro_stash = gv_stashpv ("Coro", TRUE); |
3958 | coro_stash = gv_stashpv ("Coro", TRUE); |
3340 | |
3959 | |
3341 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
3960 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
3342 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
3961 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
… | |
… | |
3355 | coroapi.ready = api_ready; |
3974 | coroapi.ready = api_ready; |
3356 | coroapi.is_ready = api_is_ready; |
3975 | coroapi.is_ready = api_is_ready; |
3357 | coroapi.nready = coro_nready; |
3976 | coroapi.nready = coro_nready; |
3358 | coroapi.current = coro_current; |
3977 | coroapi.current = coro_current; |
3359 | |
3978 | |
|
|
3979 | coroapi.enterleave_hook = api_enterleave_hook; |
|
|
3980 | coroapi.enterleave_unhook = api_enterleave_unhook; |
|
|
3981 | coroapi.enterleave_scope_hook = api_enterleave_scope_hook; |
|
|
3982 | |
3360 | /*GCoroAPI = &coroapi;*/ |
3983 | /*GCoroAPI = &coroapi;*/ |
3361 | sv_setiv (sv, (IV)&coroapi); |
3984 | sv_setiv (sv, (IV)&coroapi); |
3362 | SvREADONLY_on (sv); |
3985 | SvREADONLY_on (sv); |
3363 | } |
3986 | } |
3364 | } |
3987 | } |
3365 | |
3988 | |
3366 | SV * |
3989 | SV * |
3367 | async (...) |
3990 | async (...) |
3368 | PROTOTYPE: &@ |
3991 | PROTOTYPE: &@ |
3369 | CODE: |
3992 | CODE: |
3370 | RETVAL = coro_new (coro_stash, &ST (0), items, 1); |
3993 | RETVAL = coro_new (aTHX_ coro_stash, &ST (0), items, 1); |
3371 | api_ready (RETVAL); |
3994 | api_ready (aTHX_ RETVAL); |
3372 | OUTPUT: |
3995 | OUTPUT: |
3373 | RETVAL |
3996 | RETVAL |
|
|
3997 | |
|
|
3998 | void |
|
|
3999 | _destroy (Coro::State coro) |
|
|
4000 | CODE: |
|
|
4001 | /* used by the manager thread */ |
|
|
4002 | coro_state_destroy (aTHX_ coro); |
|
|
4003 | |
|
|
4004 | void |
|
|
4005 | on_destroy (Coro::State coro, SV *cb) |
|
|
4006 | CODE: |
|
|
4007 | coro_push_on_destroy (aTHX_ coro, newSVsv (cb)); |
|
|
4008 | |
|
|
4009 | void |
|
|
4010 | join (...) |
|
|
4011 | CODE: |
|
|
4012 | CORO_EXECUTE_SLF_XS (slf_init_join); |
3374 | |
4013 | |
3375 | void |
4014 | void |
3376 | terminate (...) |
4015 | terminate (...) |
3377 | CODE: |
4016 | CODE: |
3378 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
4017 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
3379 | |
4018 | |
3380 | void |
4019 | void |
|
|
4020 | cancel (...) |
|
|
4021 | CODE: |
|
|
4022 | CORO_EXECUTE_SLF_XS (slf_init_cancel); |
|
|
4023 | |
|
|
4024 | int |
|
|
4025 | safe_cancel (Coro::State self, ...) |
|
|
4026 | C_ARGS: aTHX_ self, &ST (1), items - 1 |
|
|
4027 | |
|
|
4028 | void |
3381 | schedule (...) |
4029 | schedule (...) |
3382 | CODE: |
4030 | CODE: |
3383 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
4031 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
3384 | |
4032 | |
3385 | void |
4033 | void |
… | |
… | |
3404 | |
4052 | |
3405 | void |
4053 | void |
3406 | _set_current (SV *current) |
4054 | _set_current (SV *current) |
3407 | PROTOTYPE: $ |
4055 | PROTOTYPE: $ |
3408 | CODE: |
4056 | CODE: |
3409 | SvREFCNT_dec (SvRV (coro_current)); |
4057 | SvREFCNT_dec_NN (SvRV (coro_current)); |
3410 | SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current))); |
4058 | SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current))); |
3411 | |
4059 | |
3412 | void |
4060 | void |
3413 | _set_readyhook (SV *hook) |
4061 | _set_readyhook (SV *hook) |
3414 | PROTOTYPE: $ |
4062 | PROTOTYPE: $ |
… | |
… | |
3496 | for (i = 1; i < items; ++i) |
4144 | for (i = 1; i < items; ++i) |
3497 | av_push (av, SvREFCNT_inc_NN (ST (i))); |
4145 | av_push (av, SvREFCNT_inc_NN (ST (i))); |
3498 | |
4146 | |
3499 | if ((SV *)hv == &PL_sv_undef) |
4147 | if ((SV *)hv == &PL_sv_undef) |
3500 | { |
4148 | { |
3501 | PUSHMARK (SP); |
4149 | SV *sv = coro_new (aTHX_ coro_stash, (SV **)&cv_pool_handler, 1, 1); |
3502 | EXTEND (SP, 2); |
|
|
3503 | PUSHs (sv_Coro); |
|
|
3504 | PUSHs ((SV *)cv_pool_handler); |
|
|
3505 | PUTBACK; |
|
|
3506 | call_sv ((SV *)cv_coro_state_new, G_SCALAR); |
|
|
3507 | SPAGAIN; |
|
|
3508 | |
|
|
3509 | hv = (HV *)SvREFCNT_inc_NN (SvRV (POPs)); |
4150 | hv = (HV *)SvREFCNT_inc_NN (SvRV (sv)); |
|
|
4151 | SvREFCNT_dec_NN (sv); |
3510 | } |
4152 | } |
3511 | |
4153 | |
3512 | { |
4154 | { |
3513 | struct coro *coro = SvSTATE_hv (hv); |
4155 | struct coro *coro = SvSTATE_hv (hv); |
3514 | |
4156 | |
… | |
… | |
3521 | api_ready (aTHX_ (SV *)hv); |
4163 | api_ready (aTHX_ (SV *)hv); |
3522 | |
4164 | |
3523 | if (GIMME_V != G_VOID) |
4165 | if (GIMME_V != G_VOID) |
3524 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv))); |
4166 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv))); |
3525 | else |
4167 | else |
3526 | SvREFCNT_dec (hv); |
4168 | SvREFCNT_dec_NN (hv); |
3527 | } |
4169 | } |
3528 | |
4170 | |
3529 | SV * |
4171 | SV * |
3530 | rouse_cb () |
4172 | rouse_cb () |
3531 | PROTOTYPE: |
4173 | PROTOTYPE: |
… | |
… | |
3546 | on_leave = 1 |
4188 | on_leave = 1 |
3547 | PROTOTYPE: & |
4189 | PROTOTYPE: & |
3548 | CODE: |
4190 | CODE: |
3549 | { |
4191 | { |
3550 | struct coro *coro = SvSTATE_current; |
4192 | struct coro *coro = SvSTATE_current; |
3551 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
4193 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
3552 | |
4194 | |
3553 | block = s_get_cv_croak (block); |
4195 | block = s_get_cv_croak (block); |
3554 | |
4196 | |
3555 | if (!*avp) |
4197 | if (!*avp) |
3556 | *avp = newAV (); |
4198 | *avp = newAV (); |
… | |
… | |
3576 | |
4218 | |
3577 | SV * |
4219 | SV * |
3578 | new (SV *klass, SV *count = 0) |
4220 | new (SV *klass, SV *count = 0) |
3579 | CODE: |
4221 | CODE: |
3580 | { |
4222 | { |
3581 | int semcnt = 1; |
4223 | int semcnt = 1; |
3582 | |
4224 | |
3583 | if (count) |
4225 | if (count) |
3584 | { |
4226 | { |
3585 | SvGETMAGIC (count); |
4227 | SvGETMAGIC (count); |
3586 | |
4228 | |
… | |
… | |
3646 | XSRETURN_NO; |
4288 | XSRETURN_NO; |
3647 | } |
4289 | } |
3648 | |
4290 | |
3649 | void |
4291 | void |
3650 | waiters (SV *self) |
4292 | waiters (SV *self) |
3651 | PPCODE: |
4293 | PPCODE: |
3652 | { |
4294 | { |
3653 | AV *av = (AV *)SvRV (self); |
4295 | AV *av = (AV *)SvRV (self); |
3654 | int wcount = AvFILLp (av) + 1 - 1; |
4296 | int wcount = AvFILLp (av) + 1 - 1; |
3655 | |
4297 | |
3656 | if (GIMME_V == G_SCALAR) |
4298 | if (GIMME_V == G_SCALAR) |
… | |
… | |
3665 | } |
4307 | } |
3666 | |
4308 | |
3667 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
4309 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
3668 | |
4310 | |
3669 | void |
4311 | void |
3670 | _may_delete (SV *sem, int count, int extra_refs) |
4312 | _may_delete (SV *sem, int count, unsigned int extra_refs) |
3671 | PPCODE: |
4313 | PPCODE: |
3672 | { |
4314 | { |
3673 | AV *av = (AV *)SvRV (sem); |
4315 | AV *av = (AV *)SvRV (sem); |
3674 | |
4316 | |
3675 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
4317 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
3676 | && AvFILLp (av) == 0 /* no waiters, just count */ |
4318 | && AvFILLp (av) == 0 /* no waiters, just count */ |
3677 | && SvIV (AvARRAY (av)[0]) == count) |
4319 | && SvIV (AvARRAY (av)[0]) == count) |
3678 | XSRETURN_YES; |
4320 | XSRETURN_YES; |
… | |
… | |
3699 | |
4341 | |
3700 | void |
4342 | void |
3701 | broadcast (SV *self) |
4343 | broadcast (SV *self) |
3702 | CODE: |
4344 | CODE: |
3703 | { |
4345 | { |
3704 | AV *av = (AV *)SvRV (self); |
4346 | AV *av = (AV *)SvRV (self); |
3705 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
4347 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
3706 | } |
4348 | } |
3707 | |
4349 | |
3708 | void |
4350 | void |
3709 | send (SV *self) |
4351 | send (SV *self) |
… | |
… | |
3717 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
4359 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
3718 | } |
4360 | } |
3719 | |
4361 | |
3720 | IV |
4362 | IV |
3721 | awaited (SV *self) |
4363 | awaited (SV *self) |
3722 | CODE: |
4364 | CODE: |
3723 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
4365 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
3724 | OUTPUT: |
4366 | OUTPUT: |
3725 | RETVAL |
4367 | RETVAL |
3726 | |
4368 | |
3727 | |
4369 | |
… | |
… | |
3732 | |
4374 | |
3733 | void |
4375 | void |
3734 | _schedule (...) |
4376 | _schedule (...) |
3735 | CODE: |
4377 | CODE: |
3736 | { |
4378 | { |
3737 | static int incede; |
4379 | static int incede; |
3738 | |
4380 | |
3739 | api_cede_notself (aTHX); |
4381 | api_cede_notself (aTHX); |
3740 | |
4382 | |
3741 | ++incede; |
4383 | ++incede; |
3742 | while (coro_nready >= incede && api_cede (aTHX)) |
4384 | while (coro_nready >= incede && api_cede (aTHX)) |
… | |
… | |
3786 | { |
4428 | { |
3787 | PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; |
4429 | PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; |
3788 | coro_old_pp_sselect = 0; |
4430 | coro_old_pp_sselect = 0; |
3789 | } |
4431 | } |
3790 | |
4432 | |
|
|
4433 | MODULE = Coro::State PACKAGE = Coro::Util |
3791 | |
4434 | |
|
|
4435 | void |
|
|
4436 | _exit (int code) |
|
|
4437 | CODE: |
|
|
4438 | _exit (code); |
|
|
4439 | |
|
|
4440 | NV |
|
|
4441 | time () |
|
|
4442 | CODE: |
|
|
4443 | RETVAL = nvtime (aTHX); |
|
|
4444 | OUTPUT: |
|
|
4445 | RETVAL |
|
|
4446 | |
|
|
4447 | NV |
|
|
4448 | gettimeofday () |
|
|
4449 | PPCODE: |
|
|
4450 | { |
|
|
4451 | UV tv [2]; |
|
|
4452 | u2time (aTHX_ tv); |
|
|
4453 | EXTEND (SP, 2); |
|
|
4454 | PUSHs (sv_2mortal (newSVuv (tv [0]))); |
|
|
4455 | PUSHs (sv_2mortal (newSVuv (tv [1]))); |
|
|
4456 | } |
|
|
4457 | |