1 |
root |
1.63 |
#include "libcoro/coro.c" |
2 |
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3 |
root |
1.146 |
#define PERL_NO_GET_CONTEXT |
4 |
root |
1.198 |
#define PERL_EXT |
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root |
1.146 |
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6 |
root |
1.1 |
#include "EXTERN.h" |
7 |
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#include "perl.h" |
8 |
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#include "XSUB.h" |
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10 |
pcg |
1.46 |
#include "patchlevel.h" |
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12 |
root |
1.127 |
#include <stdio.h> |
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#include <errno.h> |
14 |
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#include <assert.h> |
15 |
root |
1.209 |
#include <inttypes.h> /* portable stdint.h */ |
16 |
root |
1.127 |
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17 |
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#ifdef HAVE_MMAP |
18 |
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# include <unistd.h> |
19 |
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# include <sys/mman.h> |
20 |
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# ifndef MAP_ANONYMOUS |
21 |
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# ifdef MAP_ANON |
22 |
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# define MAP_ANONYMOUS MAP_ANON |
23 |
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# else |
24 |
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# undef HAVE_MMAP |
25 |
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# endif |
26 |
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# endif |
27 |
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# include <limits.h> |
28 |
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# ifndef PAGESIZE |
29 |
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# define PAGESIZE pagesize |
30 |
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# define BOOT_PAGESIZE pagesize = sysconf (_SC_PAGESIZE) |
31 |
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static long pagesize; |
32 |
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# else |
33 |
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# define BOOT_PAGESIZE (void)0 |
34 |
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# endif |
35 |
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#else |
36 |
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# define PAGESIZE 0 |
37 |
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# define BOOT_PAGESIZE (void)0 |
38 |
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#endif |
39 |
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40 |
root |
1.143 |
#if CORO_USE_VALGRIND |
41 |
root |
1.104 |
# include <valgrind/valgrind.h> |
42 |
root |
1.141 |
# define REGISTER_STACK(cctx,start,end) (cctx)->valgrind_id = VALGRIND_STACK_REGISTER ((start), (end)) |
43 |
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#else |
44 |
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# define REGISTER_STACK(cctx,start,end) |
45 |
root |
1.104 |
#endif |
46 |
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47 |
root |
1.115 |
/* the maximum number of idle cctx that will be pooled */ |
48 |
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#define MAX_IDLE_CCTX 8 |
49 |
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50 |
root |
1.100 |
#define PERL_VERSION_ATLEAST(a,b,c) \ |
51 |
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(PERL_REVISION > (a) \ |
52 |
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|| (PERL_REVISION == (a) \ |
53 |
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&& (PERL_VERSION > (b) \ |
54 |
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|| (PERL_VERSION == (b) && PERLSUBVERSION >= (c))))) |
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56 |
root |
1.102 |
#if !PERL_VERSION_ATLEAST (5,6,0) |
57 |
pcg |
1.46 |
# ifndef PL_ppaddr |
58 |
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# define PL_ppaddr ppaddr |
59 |
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# endif |
60 |
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# ifndef call_sv |
61 |
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# define call_sv perl_call_sv |
62 |
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# endif |
63 |
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# ifndef get_sv |
64 |
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# define get_sv perl_get_sv |
65 |
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# endif |
66 |
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# ifndef get_cv |
67 |
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# define get_cv perl_get_cv |
68 |
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# endif |
69 |
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# ifndef IS_PADGV |
70 |
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# define IS_PADGV(v) 0 |
71 |
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# endif |
72 |
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# ifndef IS_PADCONST |
73 |
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# define IS_PADCONST(v) 0 |
74 |
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# endif |
75 |
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#endif |
76 |
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77 |
root |
1.190 |
/* 5.8.8 */ |
78 |
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#ifndef GV_NOTQUAL |
79 |
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# define GV_NOTQUAL 0 |
80 |
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#endif |
81 |
root |
1.191 |
#ifndef newSV |
82 |
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# define newSV(l) NEWSV(0,l) |
83 |
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#endif |
84 |
root |
1.190 |
|
85 |
root |
1.223 |
/* 5.11 */ |
86 |
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#ifndef CxHASARGS |
87 |
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# define CxHASARGS(cx) (cx)->blk_sub.hasargs |
88 |
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#endif |
89 |
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90 |
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/* 5.8.7 */ |
91 |
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#ifndef SvRV_set |
92 |
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# define SvRV_set(s,v) SvRV(s) = (v) |
93 |
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#endif |
94 |
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95 |
root |
1.78 |
#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
96 |
root |
1.143 |
# undef CORO_STACKGUARD |
97 |
root |
1.78 |
#endif |
98 |
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99 |
root |
1.143 |
#ifndef CORO_STACKGUARD |
100 |
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# define CORO_STACKGUARD 0 |
101 |
root |
1.78 |
#endif |
102 |
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103 |
root |
1.127 |
/* prefer perl internal functions over our own? */ |
104 |
root |
1.143 |
#ifndef CORO_PREFER_PERL_FUNCTIONS |
105 |
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# define CORO_PREFER_PERL_FUNCTIONS 0 |
106 |
root |
1.3 |
#endif |
107 |
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108 |
root |
1.158 |
/* The next macros try to return the current stack pointer, in an as |
109 |
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* portable way as possible. */ |
110 |
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#define dSTACKLEVEL volatile char stacklevel |
111 |
root |
1.92 |
#define STACKLEVEL ((void *)&stacklevel) |
112 |
root |
1.15 |
|
113 |
root |
1.34 |
#define IN_DESTRUCT (PL_main_cv == Nullcv) |
114 |
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115 |
root |
1.100 |
#if __GNUC__ >= 3 |
116 |
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# define attribute(x) __attribute__(x) |
117 |
root |
1.131 |
# define BARRIER __asm__ __volatile__ ("" : : : "memory") |
118 |
root |
1.194 |
# define expect(expr,value) __builtin_expect ((expr),(value)) |
119 |
root |
1.100 |
#else |
120 |
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# define attribute(x) |
121 |
root |
1.131 |
# define BARRIER |
122 |
root |
1.194 |
# define expect(expr,value) (expr) |
123 |
root |
1.100 |
#endif |
124 |
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125 |
root |
1.194 |
#define expect_false(expr) expect ((expr) != 0, 0) |
126 |
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#define expect_true(expr) expect ((expr) != 0, 1) |
127 |
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128 |
root |
1.100 |
#define NOINLINE attribute ((noinline)) |
129 |
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130 |
root |
1.23 |
#include "CoroAPI.h" |
131 |
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132 |
pcg |
1.55 |
#ifdef USE_ITHREADS |
133 |
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static perl_mutex coro_mutex; |
134 |
root |
1.69 |
# define LOCK do { MUTEX_LOCK (&coro_mutex); } while (0) |
135 |
pcg |
1.55 |
# define UNLOCK do { MUTEX_UNLOCK (&coro_mutex); } while (0) |
136 |
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#else |
137 |
root |
1.69 |
# define LOCK (void)0 |
138 |
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# define UNLOCK (void)0 |
139 |
pcg |
1.55 |
#endif |
140 |
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141 |
root |
1.136 |
/* helper storage struct for Coro::AIO */ |
142 |
root |
1.120 |
struct io_state |
143 |
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{ |
144 |
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int errorno; |
145 |
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I32 laststype; |
146 |
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int laststatval; |
147 |
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Stat_t statcache; |
148 |
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}; |
149 |
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150 |
root |
1.145 |
static size_t coro_stacksize = CORO_STACKSIZE; |
151 |
root |
1.23 |
static struct CoroAPI coroapi; |
152 |
pcg |
1.56 |
static AV *main_mainstack; /* used to differentiate between $main and others */ |
153 |
root |
1.148 |
static JMPENV *main_top_env; |
154 |
root |
1.88 |
static HV *coro_state_stash, *coro_stash; |
155 |
root |
1.217 |
static volatile SV *coro_mortal; /* will be freed after next transfer */ |
156 |
root |
1.23 |
|
157 |
root |
1.189 |
static GV *irsgv; /* $/ */ |
158 |
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static GV *stdoutgv; /* *STDOUT */ |
159 |
root |
1.214 |
static SV *rv_diehook; |
160 |
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static SV *rv_warnhook; |
161 |
root |
1.200 |
static HV *hv_sig; /* %SIG */ |
162 |
root |
1.178 |
|
163 |
root |
1.159 |
/* async_pool helper stuff */ |
164 |
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static SV *sv_pool_rss; |
165 |
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static SV *sv_pool_size; |
166 |
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static AV *av_async_pool; |
167 |
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168 |
root |
1.211 |
static struct coro_cctx *cctx_first; |
169 |
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static int cctx_count, cctx_idle; |
170 |
root |
1.107 |
|
171 |
root |
1.165 |
enum { |
172 |
root |
1.167 |
CC_MAPPED = 0x01, |
173 |
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CC_NOREUSE = 0x02, /* throw this away after tracing */ |
174 |
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CC_TRACE = 0x04, |
175 |
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CC_TRACE_SUB = 0x08, /* trace sub calls */ |
176 |
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CC_TRACE_LINE = 0x10, /* trace each statement */ |
177 |
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CC_TRACE_ALL = CC_TRACE_SUB | CC_TRACE_LINE, |
178 |
root |
1.165 |
}; |
179 |
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180 |
root |
1.92 |
/* this is a structure representing a c-level coroutine */ |
181 |
root |
1.106 |
typedef struct coro_cctx { |
182 |
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struct coro_cctx *next; |
183 |
root |
1.15 |
|
184 |
root |
1.93 |
/* the stack */ |
185 |
root |
1.15 |
void *sptr; |
186 |
root |
1.145 |
size_t ssize; |
187 |
root |
1.89 |
|
188 |
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/* cpu state */ |
189 |
root |
1.132 |
void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
190 |
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JMPENV *idle_te; /* same as idle_sp, but for top_env, TODO: remove once stable */ |
191 |
root |
1.93 |
JMPENV *top_env; |
192 |
root |
1.89 |
coro_context cctx; |
193 |
root |
1.104 |
|
194 |
root |
1.143 |
#if CORO_USE_VALGRIND |
195 |
root |
1.104 |
int valgrind_id; |
196 |
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#endif |
197 |
root |
1.165 |
unsigned char flags; |
198 |
root |
1.106 |
} coro_cctx; |
199 |
root |
1.15 |
|
200 |
root |
1.111 |
enum { |
201 |
root |
1.133 |
CF_RUNNING = 0x0001, /* coroutine is running */ |
202 |
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CF_READY = 0x0002, /* coroutine is ready */ |
203 |
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CF_NEW = 0x0004, /* has never been switched to */ |
204 |
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CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
205 |
root |
1.111 |
}; |
206 |
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207 |
root |
1.198 |
/* the structure where most of the perl state is stored, overlaid on the cxstack */ |
208 |
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typedef struct { |
209 |
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SV *defsv; |
210 |
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AV *defav; |
211 |
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SV *errsv; |
212 |
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SV *irsgv; |
213 |
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#define VAR(name,type) type name; |
214 |
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# include "state.h" |
215 |
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#undef VAR |
216 |
|
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} perl_slots; |
217 |
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218 |
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#define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
219 |
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220 |
root |
1.92 |
/* this is a structure representing a perl-level coroutine */ |
221 |
root |
1.1 |
struct coro { |
222 |
root |
1.92 |
/* the c coroutine allocated to this perl coroutine, if any */ |
223 |
root |
1.106 |
coro_cctx *cctx; |
224 |
root |
1.92 |
|
225 |
root |
1.198 |
/* process data */ |
226 |
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AV *mainstack; |
227 |
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perl_slots *slot; /* basically the saved sp */ |
228 |
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229 |
root |
1.203 |
AV *args; /* data associated with this coroutine (initial args) */ |
230 |
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int refcnt; /* coroutines are refcounted, yes */ |
231 |
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int flags; /* CF_ flags */ |
232 |
|
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HV *hv; /* the perl hash associated with this coro, if any */ |
233 |
root |
1.92 |
|
234 |
root |
1.172 |
/* statistics */ |
235 |
root |
1.181 |
int usecount; /* number of transfers to this coro */ |
236 |
root |
1.172 |
|
237 |
root |
1.87 |
/* coro process data */ |
238 |
|
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int prio; |
239 |
root |
1.203 |
SV *throw; /* exception to be thrown */ |
240 |
root |
1.181 |
|
241 |
|
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/* async_pool */ |
242 |
root |
1.184 |
SV *saved_deffh; |
243 |
root |
1.151 |
|
244 |
|
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/* linked list */ |
245 |
|
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struct coro *next, *prev; |
246 |
root |
1.1 |
}; |
247 |
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248 |
|
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typedef struct coro *Coro__State; |
249 |
|
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typedef struct coro *Coro__State_or_hashref; |
250 |
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251 |
root |
1.137 |
/** Coro ********************************************************************/ |
252 |
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253 |
|
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#define PRIO_MAX 3 |
254 |
|
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#define PRIO_HIGH 1 |
255 |
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#define PRIO_NORMAL 0 |
256 |
|
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#define PRIO_LOW -1 |
257 |
|
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#define PRIO_IDLE -3 |
258 |
|
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#define PRIO_MIN -4 |
259 |
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|
260 |
|
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/* for Coro.pm */ |
261 |
|
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static SV *coro_current; |
262 |
|
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static AV *coro_ready [PRIO_MAX-PRIO_MIN+1]; |
263 |
|
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static int coro_nready; |
264 |
root |
1.153 |
static struct coro *coro_first; |
265 |
root |
1.137 |
|
266 |
|
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/** lowlevel stuff **********************************************************/ |
267 |
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|
268 |
root |
1.199 |
static SV * |
269 |
root |
1.213 |
coro_get_sv (pTHX_ const char *name, int create) |
270 |
root |
1.199 |
{ |
271 |
|
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#if PERL_VERSION_ATLEAST (5,9,0) |
272 |
|
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/* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
273 |
|
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get_sv (name, create); |
274 |
|
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#endif |
275 |
|
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return get_sv (name, create); |
276 |
|
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} |
277 |
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|
278 |
root |
1.200 |
static AV * |
279 |
root |
1.213 |
coro_get_av (pTHX_ const char *name, int create) |
280 |
root |
1.199 |
{ |
281 |
|
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#if PERL_VERSION_ATLEAST (5,9,0) |
282 |
|
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/* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
283 |
|
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get_av (name, create); |
284 |
|
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#endif |
285 |
|
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return get_av (name, create); |
286 |
|
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} |
287 |
|
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|
288 |
root |
1.200 |
static HV * |
289 |
root |
1.213 |
coro_get_hv (pTHX_ const char *name, int create) |
290 |
root |
1.200 |
{ |
291 |
|
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#if PERL_VERSION_ATLEAST (5,9,0) |
292 |
|
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/* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
293 |
|
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get_hv (name, create); |
294 |
|
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#endif |
295 |
|
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return get_hv (name, create); |
296 |
|
|
} |
297 |
|
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|
298 |
root |
1.77 |
static AV * |
299 |
root |
1.146 |
coro_clone_padlist (pTHX_ CV *cv) |
300 |
root |
1.77 |
{ |
301 |
|
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AV *padlist = CvPADLIST (cv); |
302 |
|
|
AV *newpadlist, *newpad; |
303 |
root |
1.3 |
|
304 |
|
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newpadlist = newAV (); |
305 |
|
|
AvREAL_off (newpadlist); |
306 |
root |
1.100 |
#if PERL_VERSION_ATLEAST (5,9,0) |
307 |
|
|
Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1); |
308 |
|
|
#else |
309 |
root |
1.77 |
Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
310 |
root |
1.79 |
#endif |
311 |
root |
1.77 |
newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
312 |
|
|
--AvFILLp (padlist); |
313 |
root |
1.3 |
|
314 |
root |
1.77 |
av_store (newpadlist, 0, SvREFCNT_inc (*av_fetch (padlist, 0, FALSE))); |
315 |
|
|
av_store (newpadlist, 1, (SV *)newpad); |
316 |
root |
1.3 |
|
317 |
|
|
return newpadlist; |
318 |
|
|
} |
319 |
|
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|
320 |
root |
1.77 |
static void |
321 |
root |
1.146 |
free_padlist (pTHX_ AV *padlist) |
322 |
root |
1.3 |
{ |
323 |
|
|
/* may be during global destruction */ |
324 |
pcg |
1.50 |
if (SvREFCNT (padlist)) |
325 |
root |
1.3 |
{ |
326 |
pcg |
1.50 |
I32 i = AvFILLp (padlist); |
327 |
root |
1.3 |
while (i >= 0) |
328 |
|
|
{ |
329 |
pcg |
1.50 |
SV **svp = av_fetch (padlist, i--, FALSE); |
330 |
|
|
if (svp) |
331 |
|
|
{ |
332 |
|
|
SV *sv; |
333 |
|
|
while (&PL_sv_undef != (sv = av_pop ((AV *)*svp))) |
334 |
|
|
SvREFCNT_dec (sv); |
335 |
|
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|
336 |
|
|
SvREFCNT_dec (*svp); |
337 |
|
|
} |
338 |
root |
1.3 |
} |
339 |
|
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|
340 |
pcg |
1.50 |
SvREFCNT_dec ((SV*)padlist); |
341 |
|
|
} |
342 |
|
|
} |
343 |
|
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|
344 |
root |
1.77 |
static int |
345 |
pcg |
1.54 |
coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
346 |
pcg |
1.50 |
{ |
347 |
|
|
AV *padlist; |
348 |
|
|
AV *av = (AV *)mg->mg_obj; |
349 |
|
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|
350 |
|
|
/* casting is fun. */ |
351 |
|
|
while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
352 |
root |
1.146 |
free_padlist (aTHX_ padlist); |
353 |
root |
1.61 |
|
354 |
root |
1.76 |
return 0; |
355 |
root |
1.3 |
} |
356 |
pcg |
1.50 |
|
357 |
root |
1.214 |
#define CORO_MAGIC_type_cv PERL_MAGIC_ext |
358 |
|
|
#define CORO_MAGIC_type_state PERL_MAGIC_ext |
359 |
pcg |
1.50 |
|
360 |
root |
1.214 |
static MGVTBL coro_cv_vtbl = { |
361 |
|
|
0, 0, 0, 0, |
362 |
|
|
coro_cv_free |
363 |
|
|
}; |
364 |
root |
1.3 |
|
365 |
root |
1.214 |
#define CORO_MAGIC(sv,type) \ |
366 |
|
|
SvMAGIC (sv) \ |
367 |
|
|
? SvMAGIC (sv)->mg_type == type \ |
368 |
|
|
? SvMAGIC (sv) \ |
369 |
|
|
: mg_find (sv, type) \ |
370 |
root |
1.109 |
: 0 |
371 |
|
|
|
372 |
root |
1.214 |
#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
373 |
|
|
#define CORO_MAGIC_state(sv) CORO_MAGIC (((SV *)(sv)), CORO_MAGIC_type_state) |
374 |
|
|
|
375 |
root |
1.169 |
static struct coro * |
376 |
|
|
SvSTATE_ (pTHX_ SV *coro) |
377 |
|
|
{ |
378 |
|
|
HV *stash; |
379 |
|
|
MAGIC *mg; |
380 |
|
|
|
381 |
|
|
if (SvROK (coro)) |
382 |
|
|
coro = SvRV (coro); |
383 |
|
|
|
384 |
root |
1.194 |
if (expect_false (SvTYPE (coro) != SVt_PVHV)) |
385 |
root |
1.172 |
croak ("Coro::State object required"); |
386 |
|
|
|
387 |
root |
1.169 |
stash = SvSTASH (coro); |
388 |
root |
1.194 |
if (expect_false (stash != coro_stash && stash != coro_state_stash)) |
389 |
root |
1.169 |
{ |
390 |
|
|
/* very slow, but rare, check */ |
391 |
|
|
if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
392 |
|
|
croak ("Coro::State object required"); |
393 |
|
|
} |
394 |
|
|
|
395 |
root |
1.214 |
mg = CORO_MAGIC_state (coro); |
396 |
root |
1.169 |
return (struct coro *)mg->mg_ptr; |
397 |
|
|
} |
398 |
|
|
|
399 |
|
|
#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
400 |
|
|
|
401 |
root |
1.7 |
/* the next two functions merely cache the padlists */ |
402 |
root |
1.77 |
static void |
403 |
root |
1.146 |
get_padlist (pTHX_ CV *cv) |
404 |
root |
1.3 |
{ |
405 |
root |
1.214 |
MAGIC *mg = CORO_MAGIC_cv (cv); |
406 |
root |
1.109 |
AV *av; |
407 |
root |
1.4 |
|
408 |
root |
1.194 |
if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
409 |
root |
1.109 |
CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
410 |
root |
1.4 |
else |
411 |
root |
1.77 |
{ |
412 |
root |
1.143 |
#if CORO_PREFER_PERL_FUNCTIONS |
413 |
root |
1.96 |
/* this is probably cleaner, but also slower? */ |
414 |
root |
1.98 |
CV *cp = Perl_cv_clone (cv); |
415 |
root |
1.77 |
CvPADLIST (cv) = CvPADLIST (cp); |
416 |
|
|
CvPADLIST (cp) = 0; |
417 |
|
|
SvREFCNT_dec (cp); |
418 |
|
|
#else |
419 |
root |
1.146 |
CvPADLIST (cv) = coro_clone_padlist (aTHX_ cv); |
420 |
root |
1.77 |
#endif |
421 |
|
|
} |
422 |
root |
1.4 |
} |
423 |
|
|
|
424 |
root |
1.77 |
static void |
425 |
root |
1.146 |
put_padlist (pTHX_ CV *cv) |
426 |
root |
1.4 |
{ |
427 |
root |
1.214 |
MAGIC *mg = CORO_MAGIC_cv (cv); |
428 |
root |
1.109 |
AV *av; |
429 |
root |
1.7 |
|
430 |
root |
1.194 |
if (expect_false (!mg)) |
431 |
root |
1.214 |
mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
432 |
root |
1.7 |
|
433 |
root |
1.109 |
av = (AV *)mg->mg_obj; |
434 |
|
|
|
435 |
root |
1.194 |
if (expect_false (AvFILLp (av) >= AvMAX (av))) |
436 |
root |
1.109 |
av_extend (av, AvMAX (av) + 1); |
437 |
|
|
|
438 |
|
|
AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
439 |
root |
1.7 |
} |
440 |
|
|
|
441 |
root |
1.137 |
/** load & save, init *******************************************************/ |
442 |
|
|
|
443 |
root |
1.7 |
static void |
444 |
root |
1.146 |
load_perl (pTHX_ Coro__State c) |
445 |
root |
1.7 |
{ |
446 |
root |
1.198 |
perl_slots *slot = c->slot; |
447 |
|
|
c->slot = 0; |
448 |
|
|
|
449 |
|
|
PL_mainstack = c->mainstack; |
450 |
root |
1.7 |
|
451 |
root |
1.198 |
GvSV (PL_defgv) = slot->defsv; |
452 |
|
|
GvAV (PL_defgv) = slot->defav; |
453 |
|
|
GvSV (PL_errgv) = slot->errsv; |
454 |
|
|
GvSV (irsgv) = slot->irsgv; |
455 |
|
|
|
456 |
|
|
#define VAR(name,type) PL_ ## name = slot->name; |
457 |
|
|
# include "state.h" |
458 |
|
|
#undef VAR |
459 |
root |
1.7 |
|
460 |
|
|
{ |
461 |
|
|
dSP; |
462 |
root |
1.198 |
|
463 |
root |
1.7 |
CV *cv; |
464 |
|
|
|
465 |
|
|
/* now do the ugly restore mess */ |
466 |
root |
1.194 |
while (expect_true (cv = (CV *)POPs)) |
467 |
root |
1.7 |
{ |
468 |
root |
1.146 |
put_padlist (aTHX_ cv); /* mark this padlist as available */ |
469 |
root |
1.109 |
CvDEPTH (cv) = PTR2IV (POPs); |
470 |
|
|
CvPADLIST (cv) = (AV *)POPs; |
471 |
root |
1.7 |
} |
472 |
|
|
|
473 |
|
|
PUTBACK; |
474 |
|
|
} |
475 |
|
|
} |
476 |
|
|
|
477 |
root |
1.3 |
static void |
478 |
root |
1.146 |
save_perl (pTHX_ Coro__State c) |
479 |
root |
1.3 |
{ |
480 |
|
|
{ |
481 |
|
|
dSP; |
482 |
|
|
I32 cxix = cxstack_ix; |
483 |
root |
1.11 |
PERL_CONTEXT *ccstk = cxstack; |
484 |
root |
1.3 |
PERL_SI *top_si = PL_curstackinfo; |
485 |
|
|
|
486 |
|
|
/* |
487 |
|
|
* the worst thing you can imagine happens first - we have to save |
488 |
|
|
* (and reinitialize) all cv's in the whole callchain :( |
489 |
|
|
*/ |
490 |
|
|
|
491 |
root |
1.157 |
XPUSHs (Nullsv); |
492 |
root |
1.3 |
/* this loop was inspired by pp_caller */ |
493 |
|
|
for (;;) |
494 |
|
|
{ |
495 |
root |
1.194 |
while (expect_true (cxix >= 0)) |
496 |
root |
1.3 |
{ |
497 |
root |
1.4 |
PERL_CONTEXT *cx = &ccstk[cxix--]; |
498 |
root |
1.3 |
|
499 |
root |
1.194 |
if (expect_true (CxTYPE (cx) == CXt_SUB || CxTYPE (cx) == CXt_FORMAT)) |
500 |
root |
1.3 |
{ |
501 |
|
|
CV *cv = cx->blk_sub.cv; |
502 |
root |
1.109 |
|
503 |
root |
1.194 |
if (expect_true (CvDEPTH (cv))) |
504 |
root |
1.3 |
{ |
505 |
root |
1.109 |
EXTEND (SP, 3); |
506 |
root |
1.117 |
PUSHs ((SV *)CvPADLIST (cv)); |
507 |
root |
1.109 |
PUSHs (INT2PTR (SV *, CvDEPTH (cv))); |
508 |
root |
1.3 |
PUSHs ((SV *)cv); |
509 |
|
|
|
510 |
root |
1.109 |
CvDEPTH (cv) = 0; |
511 |
root |
1.146 |
get_padlist (aTHX_ cv); |
512 |
root |
1.3 |
} |
513 |
|
|
} |
514 |
|
|
} |
515 |
|
|
|
516 |
root |
1.194 |
if (expect_true (top_si->si_type == PERLSI_MAIN)) |
517 |
root |
1.3 |
break; |
518 |
|
|
|
519 |
|
|
top_si = top_si->si_prev; |
520 |
root |
1.158 |
ccstk = top_si->si_cxstack; |
521 |
|
|
cxix = top_si->si_cxix; |
522 |
root |
1.3 |
} |
523 |
|
|
|
524 |
|
|
PUTBACK; |
525 |
|
|
} |
526 |
|
|
|
527 |
root |
1.198 |
/* allocate some space on the context stack for our purposes */ |
528 |
root |
1.202 |
/* we manually unroll here, as usually 2 slots is enough */ |
529 |
|
|
if (SLOT_COUNT >= 1) CXINC; |
530 |
|
|
if (SLOT_COUNT >= 2) CXINC; |
531 |
|
|
if (SLOT_COUNT >= 3) CXINC; |
532 |
root |
1.198 |
{ |
533 |
|
|
int i; |
534 |
|
|
for (i = 3; i < SLOT_COUNT; ++i) |
535 |
|
|
CXINC; |
536 |
|
|
} |
537 |
root |
1.202 |
cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
538 |
root |
1.198 |
|
539 |
|
|
c->mainstack = PL_mainstack; |
540 |
|
|
|
541 |
|
|
{ |
542 |
|
|
perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
543 |
|
|
|
544 |
|
|
slot->defav = GvAV (PL_defgv); |
545 |
|
|
slot->defsv = DEFSV; |
546 |
|
|
slot->errsv = ERRSV; |
547 |
|
|
slot->irsgv = GvSV (irsgv); |
548 |
|
|
|
549 |
|
|
#define VAR(name,type) slot->name = PL_ ## name; |
550 |
|
|
# include "state.h" |
551 |
|
|
#undef VAR |
552 |
|
|
} |
553 |
root |
1.13 |
} |
554 |
|
|
|
555 |
|
|
/* |
556 |
|
|
* allocate various perl stacks. This is an exact copy |
557 |
|
|
* of perl.c:init_stacks, except that it uses less memory |
558 |
pcg |
1.52 |
* on the (sometimes correct) assumption that coroutines do |
559 |
|
|
* not usually need a lot of stackspace. |
560 |
root |
1.13 |
*/ |
561 |
root |
1.204 |
#if CORO_PREFER_PERL_FUNCTIONS |
562 |
root |
1.126 |
# define coro_init_stacks init_stacks |
563 |
|
|
#else |
564 |
root |
1.77 |
static void |
565 |
root |
1.146 |
coro_init_stacks (pTHX) |
566 |
root |
1.13 |
{ |
567 |
root |
1.198 |
PL_curstackinfo = new_stackinfo(32, 8); |
568 |
root |
1.13 |
PL_curstackinfo->si_type = PERLSI_MAIN; |
569 |
|
|
PL_curstack = PL_curstackinfo->si_stack; |
570 |
|
|
PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
571 |
|
|
|
572 |
|
|
PL_stack_base = AvARRAY(PL_curstack); |
573 |
|
|
PL_stack_sp = PL_stack_base; |
574 |
|
|
PL_stack_max = PL_stack_base + AvMAX(PL_curstack); |
575 |
|
|
|
576 |
root |
1.198 |
New(50,PL_tmps_stack,32,SV*); |
577 |
root |
1.13 |
PL_tmps_floor = -1; |
578 |
|
|
PL_tmps_ix = -1; |
579 |
root |
1.198 |
PL_tmps_max = 32; |
580 |
root |
1.13 |
|
581 |
root |
1.154 |
New(54,PL_markstack,16,I32); |
582 |
root |
1.13 |
PL_markstack_ptr = PL_markstack; |
583 |
root |
1.154 |
PL_markstack_max = PL_markstack + 16; |
584 |
root |
1.13 |
|
585 |
pcg |
1.46 |
#ifdef SET_MARK_OFFSET |
586 |
root |
1.13 |
SET_MARK_OFFSET; |
587 |
pcg |
1.46 |
#endif |
588 |
root |
1.13 |
|
589 |
root |
1.198 |
New(54,PL_scopestack,8,I32); |
590 |
root |
1.13 |
PL_scopestack_ix = 0; |
591 |
root |
1.198 |
PL_scopestack_max = 8; |
592 |
root |
1.13 |
|
593 |
root |
1.198 |
New(54,PL_savestack,24,ANY); |
594 |
root |
1.13 |
PL_savestack_ix = 0; |
595 |
root |
1.198 |
PL_savestack_max = 24; |
596 |
root |
1.13 |
|
597 |
root |
1.100 |
#if !PERL_VERSION_ATLEAST (5,9,0) |
598 |
root |
1.156 |
New(54,PL_retstack,4,OP*); |
599 |
root |
1.13 |
PL_retstack_ix = 0; |
600 |
root |
1.156 |
PL_retstack_max = 4; |
601 |
root |
1.71 |
#endif |
602 |
root |
1.3 |
} |
603 |
root |
1.127 |
#endif |
604 |
root |
1.1 |
|
605 |
root |
1.7 |
/* |
606 |
|
|
* destroy the stacks, the callchain etc... |
607 |
|
|
*/ |
608 |
root |
1.77 |
static void |
609 |
root |
1.146 |
coro_destroy_stacks (pTHX) |
610 |
root |
1.1 |
{ |
611 |
root |
1.4 |
while (PL_curstackinfo->si_next) |
612 |
|
|
PL_curstackinfo = PL_curstackinfo->si_next; |
613 |
|
|
|
614 |
|
|
while (PL_curstackinfo) |
615 |
|
|
{ |
616 |
|
|
PERL_SI *p = PL_curstackinfo->si_prev; |
617 |
|
|
|
618 |
root |
1.34 |
if (!IN_DESTRUCT) |
619 |
root |
1.126 |
SvREFCNT_dec (PL_curstackinfo->si_stack); |
620 |
root |
1.7 |
|
621 |
pcg |
1.57 |
Safefree (PL_curstackinfo->si_cxstack); |
622 |
|
|
Safefree (PL_curstackinfo); |
623 |
root |
1.4 |
PL_curstackinfo = p; |
624 |
|
|
} |
625 |
|
|
|
626 |
pcg |
1.57 |
Safefree (PL_tmps_stack); |
627 |
|
|
Safefree (PL_markstack); |
628 |
|
|
Safefree (PL_scopestack); |
629 |
|
|
Safefree (PL_savestack); |
630 |
root |
1.100 |
#if !PERL_VERSION_ATLEAST (5,9,0) |
631 |
pcg |
1.57 |
Safefree (PL_retstack); |
632 |
root |
1.71 |
#endif |
633 |
root |
1.1 |
} |
634 |
|
|
|
635 |
root |
1.152 |
static size_t |
636 |
root |
1.171 |
coro_rss (pTHX_ struct coro *coro) |
637 |
root |
1.152 |
{ |
638 |
root |
1.183 |
size_t rss = sizeof (*coro); |
639 |
root |
1.152 |
|
640 |
|
|
if (coro->mainstack) |
641 |
|
|
{ |
642 |
root |
1.198 |
perl_slots tmp_slot; |
643 |
|
|
perl_slots *slot; |
644 |
|
|
|
645 |
root |
1.153 |
if (coro->flags & CF_RUNNING) |
646 |
|
|
{ |
647 |
root |
1.198 |
slot = &tmp_slot; |
648 |
|
|
|
649 |
|
|
#define VAR(name,type) slot->name = PL_ ## name; |
650 |
root |
1.153 |
# include "state.h" |
651 |
|
|
#undef VAR |
652 |
|
|
} |
653 |
root |
1.198 |
else |
654 |
|
|
slot = coro->slot; |
655 |
root |
1.153 |
|
656 |
root |
1.198 |
rss += sizeof (slot->curstackinfo); |
657 |
|
|
rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT); |
658 |
|
|
rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *); |
659 |
|
|
rss += slot->tmps_max * sizeof (SV *); |
660 |
|
|
rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32); |
661 |
|
|
rss += slot->scopestack_max * sizeof (I32); |
662 |
|
|
rss += slot->savestack_max * sizeof (ANY); |
663 |
root |
1.152 |
|
664 |
|
|
#if !PERL_VERSION_ATLEAST (5,9,0) |
665 |
root |
1.198 |
rss += slot->retstack_max * sizeof (OP *); |
666 |
root |
1.152 |
#endif |
667 |
|
|
} |
668 |
|
|
|
669 |
|
|
return rss; |
670 |
|
|
} |
671 |
|
|
|
672 |
root |
1.137 |
/** coroutine stack handling ************************************************/ |
673 |
|
|
|
674 |
root |
1.214 |
static int (*orig_sigelem_get) (pTHX_ SV *sv, MAGIC *mg); |
675 |
root |
1.220 |
static int (*orig_sigelem_set) (pTHX_ SV *sv, MAGIC *mg); |
676 |
root |
1.214 |
|
677 |
|
|
/* |
678 |
|
|
* This overrides the default magic get method of %SIG elements. |
679 |
|
|
* The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
680 |
|
|
* and instead of tryign to save and restore the hash elements, we just provide |
681 |
|
|
* readback here. |
682 |
|
|
* We only do this when the hook is != 0, as they are often set to 0 temporarily, |
683 |
|
|
* not expecting this to actually change the hook. This is a potential problem |
684 |
|
|
* when a schedule happens then, but we ignore this. |
685 |
|
|
*/ |
686 |
|
|
static int |
687 |
|
|
coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
688 |
|
|
{ |
689 |
|
|
const char *s = MgPV_nolen_const (mg); |
690 |
|
|
|
691 |
|
|
if (*s == '_') |
692 |
|
|
{ |
693 |
|
|
if (strEQ (s, "__DIE__" ) && PL_diehook ) return sv_setsv (sv, PL_diehook ), 0; |
694 |
|
|
if (strEQ (s, "__WARN__") && PL_warnhook) return sv_setsv (sv, PL_warnhook), 0; |
695 |
|
|
} |
696 |
|
|
|
697 |
root |
1.220 |
return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
698 |
|
|
} |
699 |
|
|
|
700 |
|
|
static int |
701 |
|
|
coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
702 |
|
|
{ |
703 |
|
|
const char *s = MgPV_nolen_const (mg); |
704 |
|
|
|
705 |
|
|
if (*s == '_') |
706 |
|
|
{ |
707 |
|
|
SV **svp = 0; |
708 |
|
|
|
709 |
|
|
if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
710 |
|
|
if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
711 |
|
|
|
712 |
|
|
if (svp) |
713 |
|
|
{ |
714 |
|
|
SV *old = *svp; |
715 |
|
|
*svp = newSVsv (sv); |
716 |
|
|
SvREFCNT_dec (old); |
717 |
|
|
return; |
718 |
|
|
} |
719 |
|
|
} |
720 |
|
|
|
721 |
|
|
return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0; |
722 |
root |
1.214 |
} |
723 |
|
|
|
724 |
root |
1.13 |
static void |
725 |
root |
1.179 |
coro_setup (pTHX_ struct coro *coro) |
726 |
root |
1.13 |
{ |
727 |
root |
1.89 |
/* |
728 |
|
|
* emulate part of the perl startup here. |
729 |
|
|
*/ |
730 |
root |
1.146 |
coro_init_stacks (aTHX); |
731 |
root |
1.15 |
|
732 |
root |
1.169 |
PL_runops = RUNOPS_DEFAULT; |
733 |
root |
1.117 |
PL_curcop = &PL_compiling; |
734 |
|
|
PL_in_eval = EVAL_NULL; |
735 |
root |
1.142 |
PL_comppad = 0; |
736 |
root |
1.117 |
PL_curpm = 0; |
737 |
root |
1.196 |
PL_curpad = 0; |
738 |
root |
1.117 |
PL_localizing = 0; |
739 |
|
|
PL_dirty = 0; |
740 |
|
|
PL_restartop = 0; |
741 |
root |
1.214 |
|
742 |
|
|
/* recreate the die/warn hooks */ |
743 |
root |
1.220 |
PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); |
744 |
|
|
PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook); |
745 |
root |
1.178 |
|
746 |
root |
1.191 |
GvSV (PL_defgv) = newSV (0); |
747 |
root |
1.178 |
GvAV (PL_defgv) = coro->args; coro->args = 0; |
748 |
root |
1.191 |
GvSV (PL_errgv) = newSV (0); |
749 |
root |
1.180 |
GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
750 |
root |
1.179 |
PL_rs = newSVsv (GvSV (irsgv)); |
751 |
root |
1.196 |
PL_defoutgv = (GV *)SvREFCNT_inc (stdoutgv); |
752 |
root |
1.103 |
|
753 |
root |
1.102 |
{ |
754 |
|
|
dSP; |
755 |
|
|
LOGOP myop; |
756 |
|
|
|
757 |
|
|
Zero (&myop, 1, LOGOP); |
758 |
|
|
myop.op_next = Nullop; |
759 |
|
|
myop.op_flags = OPf_WANT_VOID; |
760 |
root |
1.89 |
|
761 |
root |
1.102 |
PUSHMARK (SP); |
762 |
root |
1.192 |
XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv)))); |
763 |
root |
1.102 |
PUTBACK; |
764 |
root |
1.120 |
PL_op = (OP *)&myop; |
765 |
root |
1.102 |
PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
766 |
|
|
SPAGAIN; |
767 |
root |
1.117 |
} |
768 |
root |
1.210 |
|
769 |
|
|
/* this newly created coroutine might be run on an existing cctx which most |
770 |
|
|
* likely was suspended in set_stacklevel, called from entersub. |
771 |
|
|
* set_stacklevl doesn't do anything on return, but entersub does LEAVE, |
772 |
|
|
* so we ENTER here for symmetry |
773 |
|
|
*/ |
774 |
|
|
ENTER; |
775 |
root |
1.13 |
} |
776 |
|
|
|
777 |
|
|
static void |
778 |
root |
1.179 |
coro_destroy (pTHX_ struct coro *coro) |
779 |
root |
1.178 |
{ |
780 |
|
|
if (!IN_DESTRUCT) |
781 |
|
|
{ |
782 |
|
|
/* restore all saved variables and stuff */ |
783 |
|
|
LEAVE_SCOPE (0); |
784 |
|
|
assert (PL_tmps_floor == -1); |
785 |
|
|
|
786 |
|
|
/* free all temporaries */ |
787 |
|
|
FREETMPS; |
788 |
|
|
assert (PL_tmps_ix == -1); |
789 |
|
|
|
790 |
|
|
/* unwind all extra stacks */ |
791 |
|
|
POPSTACK_TO (PL_mainstack); |
792 |
|
|
|
793 |
|
|
/* unwind main stack */ |
794 |
|
|
dounwind (-1); |
795 |
|
|
} |
796 |
|
|
|
797 |
|
|
SvREFCNT_dec (GvSV (PL_defgv)); |
798 |
|
|
SvREFCNT_dec (GvAV (PL_defgv)); |
799 |
|
|
SvREFCNT_dec (GvSV (PL_errgv)); |
800 |
root |
1.180 |
SvREFCNT_dec (PL_defoutgv); |
801 |
root |
1.178 |
SvREFCNT_dec (PL_rs); |
802 |
|
|
SvREFCNT_dec (GvSV (irsgv)); |
803 |
|
|
|
804 |
root |
1.198 |
SvREFCNT_dec (PL_diehook); |
805 |
|
|
SvREFCNT_dec (PL_warnhook); |
806 |
|
|
|
807 |
root |
1.184 |
SvREFCNT_dec (coro->saved_deffh); |
808 |
root |
1.196 |
SvREFCNT_dec (coro->throw); |
809 |
root |
1.181 |
|
810 |
root |
1.178 |
coro_destroy_stacks (aTHX); |
811 |
|
|
} |
812 |
|
|
|
813 |
|
|
static void |
814 |
root |
1.146 |
free_coro_mortal (pTHX) |
815 |
root |
1.13 |
{ |
816 |
root |
1.194 |
if (expect_true (coro_mortal)) |
817 |
root |
1.15 |
{ |
818 |
root |
1.89 |
SvREFCNT_dec (coro_mortal); |
819 |
|
|
coro_mortal = 0; |
820 |
|
|
} |
821 |
root |
1.13 |
} |
822 |
|
|
|
823 |
root |
1.165 |
static int |
824 |
root |
1.169 |
runops_trace (pTHX) |
825 |
root |
1.165 |
{ |
826 |
|
|
COP *oldcop = 0; |
827 |
root |
1.167 |
int oldcxix = -2; |
828 |
root |
1.169 |
struct coro *coro = SvSTATE (coro_current); /* trace cctx is tied to specific coro */ |
829 |
|
|
coro_cctx *cctx = coro->cctx; |
830 |
root |
1.165 |
|
831 |
|
|
while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX))) |
832 |
|
|
{ |
833 |
|
|
PERL_ASYNC_CHECK (); |
834 |
|
|
|
835 |
root |
1.173 |
if (cctx->flags & CC_TRACE_ALL) |
836 |
root |
1.167 |
{ |
837 |
root |
1.173 |
if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB) |
838 |
|
|
{ |
839 |
|
|
PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
840 |
|
|
SV **bot, **top; |
841 |
|
|
AV *av = newAV (); /* return values */ |
842 |
|
|
SV **cb; |
843 |
|
|
dSP; |
844 |
root |
1.167 |
|
845 |
root |
1.173 |
GV *gv = CvGV (cx->blk_sub.cv); |
846 |
|
|
SV *fullname = sv_2mortal (newSV (0)); |
847 |
|
|
if (isGV (gv)) |
848 |
|
|
gv_efullname3 (fullname, gv, 0); |
849 |
|
|
|
850 |
|
|
bot = PL_stack_base + cx->blk_oldsp + 1; |
851 |
|
|
top = cx->blk_gimme == G_ARRAY ? SP + 1 |
852 |
|
|
: cx->blk_gimme == G_SCALAR ? bot + 1 |
853 |
|
|
: bot; |
854 |
root |
1.167 |
|
855 |
root |
1.193 |
av_extend (av, top - bot); |
856 |
root |
1.173 |
while (bot < top) |
857 |
|
|
av_push (av, SvREFCNT_inc (*bot++)); |
858 |
root |
1.167 |
|
859 |
root |
1.173 |
PL_runops = RUNOPS_DEFAULT; |
860 |
root |
1.167 |
ENTER; |
861 |
|
|
SAVETMPS; |
862 |
|
|
EXTEND (SP, 3); |
863 |
root |
1.173 |
PUSHMARK (SP); |
864 |
|
|
PUSHs (&PL_sv_no); |
865 |
|
|
PUSHs (fullname); |
866 |
|
|
PUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
867 |
|
|
PUTBACK; |
868 |
root |
1.212 |
cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
869 |
root |
1.173 |
if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
870 |
|
|
SPAGAIN; |
871 |
|
|
FREETMPS; |
872 |
|
|
LEAVE; |
873 |
|
|
PL_runops = runops_trace; |
874 |
|
|
} |
875 |
|
|
|
876 |
|
|
if (oldcop != PL_curcop) |
877 |
|
|
{ |
878 |
|
|
oldcop = PL_curcop; |
879 |
root |
1.167 |
|
880 |
root |
1.173 |
if (PL_curcop != &PL_compiling) |
881 |
root |
1.167 |
{ |
882 |
root |
1.173 |
SV **cb; |
883 |
|
|
|
884 |
|
|
if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB) |
885 |
|
|
{ |
886 |
|
|
PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
887 |
|
|
|
888 |
|
|
if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
889 |
|
|
{ |
890 |
|
|
runops_proc_t old_runops = PL_runops; |
891 |
|
|
dSP; |
892 |
|
|
GV *gv = CvGV (cx->blk_sub.cv); |
893 |
|
|
SV *fullname = sv_2mortal (newSV (0)); |
894 |
|
|
|
895 |
|
|
if (isGV (gv)) |
896 |
|
|
gv_efullname3 (fullname, gv, 0); |
897 |
|
|
|
898 |
|
|
PL_runops = RUNOPS_DEFAULT; |
899 |
|
|
ENTER; |
900 |
|
|
SAVETMPS; |
901 |
|
|
EXTEND (SP, 3); |
902 |
|
|
PUSHMARK (SP); |
903 |
|
|
PUSHs (&PL_sv_yes); |
904 |
|
|
PUSHs (fullname); |
905 |
root |
1.223 |
PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef); |
906 |
root |
1.173 |
PUTBACK; |
907 |
root |
1.212 |
cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); |
908 |
root |
1.173 |
if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
909 |
|
|
SPAGAIN; |
910 |
|
|
FREETMPS; |
911 |
|
|
LEAVE; |
912 |
|
|
PL_runops = runops_trace; |
913 |
|
|
} |
914 |
|
|
|
915 |
|
|
oldcxix = cxstack_ix; |
916 |
|
|
} |
917 |
root |
1.167 |
|
918 |
root |
1.173 |
if (cctx->flags & CC_TRACE_LINE) |
919 |
root |
1.167 |
{ |
920 |
root |
1.173 |
dSP; |
921 |
root |
1.167 |
|
922 |
root |
1.173 |
PL_runops = RUNOPS_DEFAULT; |
923 |
|
|
ENTER; |
924 |
|
|
SAVETMPS; |
925 |
|
|
EXTEND (SP, 3); |
926 |
|
|
PL_runops = RUNOPS_DEFAULT; |
927 |
root |
1.167 |
PUSHMARK (SP); |
928 |
root |
1.173 |
PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0))); |
929 |
|
|
PUSHs (sv_2mortal (newSViv (CopLINE (oldcop)))); |
930 |
root |
1.167 |
PUTBACK; |
931 |
root |
1.212 |
cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_line_cb", sizeof ("_trace_line_cb") - 1, 0); |
932 |
root |
1.169 |
if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
933 |
root |
1.167 |
SPAGAIN; |
934 |
root |
1.173 |
FREETMPS; |
935 |
|
|
LEAVE; |
936 |
|
|
PL_runops = runops_trace; |
937 |
root |
1.167 |
} |
938 |
root |
1.169 |
} |
939 |
root |
1.167 |
} |
940 |
root |
1.165 |
} |
941 |
|
|
} |
942 |
|
|
|
943 |
|
|
TAINT_NOT; |
944 |
|
|
return 0; |
945 |
|
|
} |
946 |
|
|
|
947 |
root |
1.120 |
/* inject a fake call to Coro::State::_cctx_init into the execution */ |
948 |
root |
1.150 |
/* _cctx_init should be careful, as it could be called at almost any time */ |
949 |
|
|
/* during execution of a perl program */ |
950 |
root |
1.100 |
static void NOINLINE |
951 |
root |
1.201 |
cctx_prepare (pTHX_ coro_cctx *cctx) |
952 |
root |
1.99 |
{ |
953 |
|
|
dSP; |
954 |
root |
1.102 |
LOGOP myop; |
955 |
root |
1.99 |
|
956 |
root |
1.165 |
PL_top_env = &PL_start_env; |
957 |
|
|
|
958 |
|
|
if (cctx->flags & CC_TRACE) |
959 |
root |
1.169 |
PL_runops = runops_trace; |
960 |
root |
1.165 |
|
961 |
root |
1.102 |
Zero (&myop, 1, LOGOP); |
962 |
root |
1.99 |
myop.op_next = PL_op; |
963 |
root |
1.120 |
myop.op_flags = OPf_WANT_VOID | OPf_STACKED; |
964 |
root |
1.102 |
|
965 |
|
|
PUSHMARK (SP); |
966 |
root |
1.120 |
EXTEND (SP, 2); |
967 |
|
|
PUSHs (sv_2mortal (newSViv (PTR2IV (cctx)))); |
968 |
|
|
PUSHs ((SV *)get_cv ("Coro::State::_cctx_init", FALSE)); |
969 |
root |
1.99 |
PUTBACK; |
970 |
root |
1.120 |
PL_op = (OP *)&myop; |
971 |
|
|
PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); |
972 |
root |
1.99 |
SPAGAIN; |
973 |
|
|
} |
974 |
|
|
|
975 |
root |
1.148 |
/* |
976 |
|
|
* this is a _very_ stripped down perl interpreter ;) |
977 |
|
|
*/ |
978 |
root |
1.99 |
static void |
979 |
root |
1.201 |
cctx_run (void *arg) |
980 |
root |
1.13 |
{ |
981 |
root |
1.146 |
dTHX; |
982 |
|
|
|
983 |
root |
1.201 |
/* cctx_run is the alternative tail of transfer(), so unlock here. */ |
984 |
root |
1.102 |
UNLOCK; |
985 |
|
|
|
986 |
root |
1.165 |
/* we now skip the entersub that lead to transfer() */ |
987 |
|
|
PL_op = PL_op->op_next; |
988 |
root |
1.107 |
|
989 |
root |
1.148 |
/* inject a fake subroutine call to cctx_init */ |
990 |
root |
1.201 |
cctx_prepare (aTHX_ (coro_cctx *)arg); |
991 |
root |
1.89 |
|
992 |
root |
1.148 |
/* somebody or something will hit me for both perl_run and PL_restartop */ |
993 |
root |
1.120 |
PL_restartop = PL_op; |
994 |
root |
1.102 |
perl_run (PL_curinterp); |
995 |
root |
1.89 |
|
996 |
root |
1.149 |
/* |
997 |
|
|
* If perl-run returns we assume exit() was being called or the coro |
998 |
|
|
* fell off the end, which seems to be the only valid (non-bug) |
999 |
|
|
* reason for perl_run to return. We try to exit by jumping to the |
1000 |
|
|
* bootstrap-time "top" top_env, as we cannot restore the "main" |
1001 |
|
|
* coroutine as Coro has no such concept |
1002 |
|
|
*/ |
1003 |
root |
1.148 |
PL_top_env = main_top_env; |
1004 |
|
|
JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
1005 |
root |
1.89 |
} |
1006 |
|
|
|
1007 |
root |
1.106 |
static coro_cctx * |
1008 |
|
|
cctx_new () |
1009 |
root |
1.89 |
{ |
1010 |
root |
1.106 |
coro_cctx *cctx; |
1011 |
root |
1.145 |
void *stack_start; |
1012 |
|
|
size_t stack_size; |
1013 |
root |
1.89 |
|
1014 |
root |
1.107 |
++cctx_count; |
1015 |
|
|
|
1016 |
root |
1.124 |
Newz (0, cctx, 1, coro_cctx); |
1017 |
root |
1.89 |
|
1018 |
|
|
#if HAVE_MMAP |
1019 |
root |
1.145 |
cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
1020 |
root |
1.120 |
/* mmap supposedly does allocate-on-write for us */ |
1021 |
root |
1.106 |
cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
1022 |
root |
1.19 |
|
1023 |
root |
1.141 |
if (cctx->sptr != (void *)-1) |
1024 |
root |
1.13 |
{ |
1025 |
root |
1.143 |
# if CORO_STACKGUARD |
1026 |
|
|
mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); |
1027 |
root |
1.94 |
# endif |
1028 |
root |
1.145 |
stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr; |
1029 |
|
|
stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE; |
1030 |
root |
1.165 |
cctx->flags |= CC_MAPPED; |
1031 |
root |
1.141 |
} |
1032 |
|
|
else |
1033 |
|
|
#endif |
1034 |
root |
1.89 |
{ |
1035 |
root |
1.145 |
cctx->ssize = coro_stacksize * (long)sizeof (long); |
1036 |
|
|
New (0, cctx->sptr, coro_stacksize, long); |
1037 |
root |
1.13 |
|
1038 |
root |
1.141 |
if (!cctx->sptr) |
1039 |
|
|
{ |
1040 |
|
|
perror ("FATAL: unable to allocate stack for coroutine"); |
1041 |
|
|
_exit (EXIT_FAILURE); |
1042 |
|
|
} |
1043 |
root |
1.89 |
|
1044 |
root |
1.145 |
stack_start = cctx->sptr; |
1045 |
|
|
stack_size = cctx->ssize; |
1046 |
|
|
} |
1047 |
root |
1.104 |
|
1048 |
root |
1.145 |
REGISTER_STACK (cctx, (char *)stack_start, (char *)stack_start + stack_size); |
1049 |
root |
1.201 |
coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size); |
1050 |
root |
1.13 |
|
1051 |
root |
1.106 |
return cctx; |
1052 |
root |
1.13 |
} |
1053 |
|
|
|
1054 |
root |
1.15 |
static void |
1055 |
root |
1.115 |
cctx_destroy (coro_cctx *cctx) |
1056 |
root |
1.15 |
{ |
1057 |
root |
1.106 |
if (!cctx) |
1058 |
root |
1.89 |
return; |
1059 |
|
|
|
1060 |
root |
1.107 |
--cctx_count; |
1061 |
|
|
|
1062 |
root |
1.143 |
#if CORO_USE_VALGRIND |
1063 |
root |
1.106 |
VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); |
1064 |
root |
1.104 |
#endif |
1065 |
|
|
|
1066 |
root |
1.89 |
#if HAVE_MMAP |
1067 |
root |
1.165 |
if (cctx->flags & CC_MAPPED) |
1068 |
root |
1.141 |
munmap (cctx->sptr, cctx->ssize); |
1069 |
|
|
else |
1070 |
root |
1.89 |
#endif |
1071 |
root |
1.141 |
Safefree (cctx->sptr); |
1072 |
root |
1.89 |
|
1073 |
root |
1.106 |
Safefree (cctx); |
1074 |
root |
1.89 |
} |
1075 |
root |
1.32 |
|
1076 |
root |
1.193 |
/* wether this cctx should be destructed */ |
1077 |
|
|
#define CCTX_EXPIRED(cctx) ((cctx)->ssize < coro_stacksize || ((cctx)->flags & CC_NOREUSE)) |
1078 |
|
|
|
1079 |
root |
1.106 |
static coro_cctx * |
1080 |
root |
1.211 |
cctx_get (pTHX) |
1081 |
root |
1.89 |
{ |
1082 |
root |
1.211 |
while (expect_true (cctx_first)) |
1083 |
root |
1.89 |
{ |
1084 |
root |
1.211 |
coro_cctx *cctx = cctx_first; |
1085 |
|
|
cctx_first = cctx->next; |
1086 |
|
|
--cctx_idle; |
1087 |
root |
1.145 |
|
1088 |
root |
1.194 |
if (expect_true (!CCTX_EXPIRED (cctx))) |
1089 |
root |
1.145 |
return cctx; |
1090 |
|
|
|
1091 |
|
|
cctx_destroy (cctx); |
1092 |
root |
1.89 |
} |
1093 |
root |
1.91 |
|
1094 |
root |
1.145 |
return cctx_new (); |
1095 |
root |
1.89 |
} |
1096 |
root |
1.19 |
|
1097 |
root |
1.89 |
static void |
1098 |
root |
1.211 |
cctx_put (coro_cctx *cctx) |
1099 |
root |
1.89 |
{ |
1100 |
root |
1.115 |
/* free another cctx if overlimit */ |
1101 |
root |
1.211 |
if (expect_false (cctx_idle >= MAX_IDLE_CCTX)) |
1102 |
root |
1.115 |
{ |
1103 |
root |
1.211 |
coro_cctx *first = cctx_first; |
1104 |
|
|
cctx_first = first->next; |
1105 |
|
|
--cctx_idle; |
1106 |
root |
1.115 |
|
1107 |
|
|
cctx_destroy (first); |
1108 |
|
|
} |
1109 |
|
|
|
1110 |
root |
1.211 |
++cctx_idle; |
1111 |
|
|
cctx->next = cctx_first; |
1112 |
|
|
cctx_first = cctx; |
1113 |
root |
1.15 |
} |
1114 |
|
|
|
1115 |
root |
1.137 |
/** coroutine switching *****************************************************/ |
1116 |
|
|
|
1117 |
root |
1.194 |
static void |
1118 |
root |
1.170 |
transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1119 |
|
|
{ |
1120 |
root |
1.194 |
if (expect_true (prev != next)) |
1121 |
root |
1.170 |
{ |
1122 |
root |
1.194 |
if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1123 |
root |
1.170 |
croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states"); |
1124 |
|
|
|
1125 |
root |
1.194 |
if (expect_false (next->flags & CF_RUNNING)) |
1126 |
root |
1.170 |
croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states"); |
1127 |
|
|
|
1128 |
root |
1.194 |
if (expect_false (next->flags & CF_DESTROYED)) |
1129 |
root |
1.170 |
croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states"); |
1130 |
|
|
|
1131 |
root |
1.198 |
if ( |
1132 |
|
|
#if PERL_VERSION_ATLEAST (5,9,0) |
1133 |
root |
1.222 |
expect_false (PL_parser && PL_parser->lex_state != LEX_NOTPARSING) |
1134 |
root |
1.198 |
#else |
1135 |
|
|
expect_false (PL_lex_state != LEX_NOTPARSING) |
1136 |
|
|
#endif |
1137 |
|
|
) |
1138 |
root |
1.170 |
croak ("Coro::State::transfer called while parsing, but this is not supported"); |
1139 |
|
|
} |
1140 |
|
|
} |
1141 |
|
|
|
1142 |
|
|
/* always use the TRANSFER macro */ |
1143 |
root |
1.100 |
static void NOINLINE |
1144 |
root |
1.227 |
transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1145 |
root |
1.8 |
{ |
1146 |
root |
1.15 |
dSTACKLEVEL; |
1147 |
root |
1.216 |
static volatile int has_throw; |
1148 |
root |
1.8 |
|
1149 |
root |
1.89 |
/* sometimes transfer is only called to set idle_sp */ |
1150 |
root |
1.194 |
if (expect_false (!next)) |
1151 |
root |
1.124 |
{ |
1152 |
|
|
((coro_cctx *)prev)->idle_sp = STACKLEVEL; |
1153 |
root |
1.132 |
assert (((coro_cctx *)prev)->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1154 |
root |
1.124 |
} |
1155 |
root |
1.194 |
else if (expect_true (prev != next)) |
1156 |
root |
1.8 |
{ |
1157 |
root |
1.106 |
coro_cctx *prev__cctx; |
1158 |
root |
1.89 |
|
1159 |
root |
1.194 |
if (expect_false (prev->flags & CF_NEW)) |
1160 |
root |
1.111 |
{ |
1161 |
|
|
/* create a new empty context */ |
1162 |
|
|
Newz (0, prev->cctx, 1, coro_cctx); |
1163 |
root |
1.117 |
prev->flags &= ~CF_NEW; |
1164 |
|
|
prev->flags |= CF_RUNNING; |
1165 |
root |
1.111 |
} |
1166 |
|
|
|
1167 |
|
|
prev->flags &= ~CF_RUNNING; |
1168 |
|
|
next->flags |= CF_RUNNING; |
1169 |
|
|
|
1170 |
root |
1.92 |
LOCK; |
1171 |
root |
1.13 |
|
1172 |
root |
1.214 |
/* first get rid of the old state */ |
1173 |
|
|
save_perl (aTHX_ prev); |
1174 |
|
|
|
1175 |
root |
1.194 |
if (expect_false (next->flags & CF_NEW)) |
1176 |
root |
1.90 |
{ |
1177 |
|
|
/* need to start coroutine */ |
1178 |
root |
1.117 |
next->flags &= ~CF_NEW; |
1179 |
root |
1.89 |
/* setup coroutine call */ |
1180 |
root |
1.179 |
coro_setup (aTHX_ next); |
1181 |
root |
1.8 |
} |
1182 |
root |
1.118 |
else |
1183 |
root |
1.214 |
load_perl (aTHX_ next); |
1184 |
root |
1.15 |
|
1185 |
root |
1.106 |
prev__cctx = prev->cctx; |
1186 |
root |
1.92 |
|
1187 |
root |
1.106 |
/* possibly "free" the cctx */ |
1188 |
root |
1.227 |
if (expect_true ( |
1189 |
|
|
prev__cctx->idle_sp == STACKLEVEL |
1190 |
|
|
&& !(prev__cctx->flags & CC_TRACE) |
1191 |
|
|
&& !force_cctx |
1192 |
|
|
)) |
1193 |
root |
1.92 |
{ |
1194 |
root |
1.114 |
/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */ |
1195 |
root |
1.132 |
assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te)); |
1196 |
root |
1.112 |
|
1197 |
root |
1.117 |
prev->cctx = 0; |
1198 |
|
|
|
1199 |
root |
1.193 |
/* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */ |
1200 |
root |
1.194 |
/* without this the next cctx_get might destroy the prev__cctx while still in use */ |
1201 |
|
|
if (expect_false (CCTX_EXPIRED (prev__cctx))) |
1202 |
root |
1.201 |
if (!next->cctx) |
1203 |
root |
1.211 |
next->cctx = cctx_get (aTHX); |
1204 |
root |
1.193 |
|
1205 |
root |
1.211 |
cctx_put (prev__cctx); |
1206 |
root |
1.92 |
} |
1207 |
|
|
|
1208 |
root |
1.172 |
++next->usecount; |
1209 |
|
|
|
1210 |
root |
1.194 |
if (expect_true (!next->cctx)) |
1211 |
root |
1.211 |
next->cctx = cctx_get (aTHX); |
1212 |
root |
1.111 |
|
1213 |
root |
1.216 |
has_throw = !!next->throw; |
1214 |
|
|
|
1215 |
root |
1.194 |
if (expect_false (prev__cctx != next->cctx)) |
1216 |
root |
1.117 |
{ |
1217 |
root |
1.106 |
prev__cctx->top_env = PL_top_env; |
1218 |
|
|
PL_top_env = next->cctx->top_env; |
1219 |
|
|
coro_transfer (&prev__cctx->cctx, &next->cctx->cctx); |
1220 |
root |
1.92 |
} |
1221 |
|
|
|
1222 |
root |
1.146 |
free_coro_mortal (aTHX); |
1223 |
root |
1.92 |
UNLOCK; |
1224 |
root |
1.196 |
|
1225 |
root |
1.216 |
if (expect_false (has_throw)) |
1226 |
root |
1.196 |
{ |
1227 |
|
|
struct coro *coro = SvSTATE (coro_current); |
1228 |
|
|
|
1229 |
|
|
if (coro->throw) |
1230 |
|
|
{ |
1231 |
|
|
SV *exception = coro->throw; |
1232 |
|
|
coro->throw = 0; |
1233 |
|
|
sv_setsv (ERRSV, exception); |
1234 |
|
|
croak (0); |
1235 |
|
|
} |
1236 |
|
|
} |
1237 |
root |
1.8 |
} |
1238 |
root |
1.39 |
} |
1239 |
root |
1.23 |
|
1240 |
root |
1.92 |
struct transfer_args |
1241 |
|
|
{ |
1242 |
|
|
struct coro *prev, *next; |
1243 |
|
|
}; |
1244 |
|
|
|
1245 |
root |
1.227 |
#define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1246 |
root |
1.170 |
#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1247 |
root |
1.92 |
|
1248 |
root |
1.137 |
/** high level stuff ********************************************************/ |
1249 |
|
|
|
1250 |
root |
1.133 |
static int |
1251 |
root |
1.146 |
coro_state_destroy (pTHX_ struct coro *coro) |
1252 |
root |
1.87 |
{ |
1253 |
root |
1.133 |
if (coro->flags & CF_DESTROYED) |
1254 |
|
|
return 0; |
1255 |
|
|
|
1256 |
|
|
coro->flags |= CF_DESTROYED; |
1257 |
root |
1.137 |
|
1258 |
|
|
if (coro->flags & CF_READY) |
1259 |
|
|
{ |
1260 |
|
|
/* reduce nready, as destroying a ready coro effectively unreadies it */ |
1261 |
root |
1.139 |
/* alternative: look through all ready queues and remove the coro */ |
1262 |
root |
1.137 |
LOCK; |
1263 |
|
|
--coro_nready; |
1264 |
|
|
UNLOCK; |
1265 |
|
|
} |
1266 |
|
|
else |
1267 |
|
|
coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
1268 |
root |
1.87 |
|
1269 |
|
|
if (coro->mainstack && coro->mainstack != main_mainstack) |
1270 |
|
|
{ |
1271 |
root |
1.140 |
struct coro temp; |
1272 |
|
|
|
1273 |
root |
1.177 |
if (coro->flags & CF_RUNNING) |
1274 |
|
|
croak ("FATAL: tried to destroy currently running coroutine"); |
1275 |
root |
1.133 |
|
1276 |
root |
1.146 |
save_perl (aTHX_ &temp); |
1277 |
|
|
load_perl (aTHX_ coro); |
1278 |
root |
1.87 |
|
1279 |
root |
1.179 |
coro_destroy (aTHX_ coro); |
1280 |
root |
1.87 |
|
1281 |
root |
1.198 |
load_perl (aTHX_ &temp); |
1282 |
root |
1.87 |
|
1283 |
root |
1.198 |
coro->slot = 0; |
1284 |
root |
1.87 |
} |
1285 |
|
|
|
1286 |
root |
1.115 |
cctx_destroy (coro->cctx); |
1287 |
root |
1.87 |
SvREFCNT_dec (coro->args); |
1288 |
root |
1.133 |
|
1289 |
root |
1.151 |
if (coro->next) coro->next->prev = coro->prev; |
1290 |
|
|
if (coro->prev) coro->prev->next = coro->next; |
1291 |
root |
1.153 |
if (coro == coro_first) coro_first = coro->next; |
1292 |
root |
1.151 |
|
1293 |
root |
1.133 |
return 1; |
1294 |
root |
1.87 |
} |
1295 |
|
|
|
1296 |
|
|
static int |
1297 |
root |
1.134 |
coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1298 |
root |
1.87 |
{ |
1299 |
|
|
struct coro *coro = (struct coro *)mg->mg_ptr; |
1300 |
|
|
mg->mg_ptr = 0; |
1301 |
|
|
|
1302 |
root |
1.151 |
coro->hv = 0; |
1303 |
|
|
|
1304 |
root |
1.134 |
if (--coro->refcnt < 0) |
1305 |
|
|
{ |
1306 |
root |
1.146 |
coro_state_destroy (aTHX_ coro); |
1307 |
root |
1.134 |
Safefree (coro); |
1308 |
|
|
} |
1309 |
root |
1.133 |
|
1310 |
root |
1.87 |
return 0; |
1311 |
|
|
} |
1312 |
|
|
|
1313 |
|
|
static int |
1314 |
root |
1.98 |
coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1315 |
root |
1.87 |
{ |
1316 |
|
|
struct coro *coro = (struct coro *)mg->mg_ptr; |
1317 |
|
|
|
1318 |
|
|
++coro->refcnt; |
1319 |
|
|
|
1320 |
|
|
return 0; |
1321 |
|
|
} |
1322 |
|
|
|
1323 |
root |
1.100 |
static MGVTBL coro_state_vtbl = { |
1324 |
|
|
0, 0, 0, 0, |
1325 |
root |
1.134 |
coro_state_free, |
1326 |
root |
1.100 |
0, |
1327 |
|
|
#ifdef MGf_DUP |
1328 |
|
|
coro_state_dup, |
1329 |
root |
1.102 |
#else |
1330 |
|
|
# define MGf_DUP 0 |
1331 |
root |
1.100 |
#endif |
1332 |
|
|
}; |
1333 |
root |
1.87 |
|
1334 |
root |
1.23 |
static void |
1335 |
root |
1.146 |
prepare_transfer (pTHX_ struct transfer_args *ta, SV *prev_sv, SV *next_sv) |
1336 |
root |
1.23 |
{ |
1337 |
root |
1.122 |
ta->prev = SvSTATE (prev_sv); |
1338 |
|
|
ta->next = SvSTATE (next_sv); |
1339 |
root |
1.170 |
TRANSFER_CHECK (*ta); |
1340 |
root |
1.92 |
} |
1341 |
|
|
|
1342 |
|
|
static void |
1343 |
root |
1.122 |
api_transfer (SV *prev_sv, SV *next_sv) |
1344 |
root |
1.92 |
{ |
1345 |
root |
1.146 |
dTHX; |
1346 |
root |
1.92 |
struct transfer_args ta; |
1347 |
|
|
|
1348 |
root |
1.146 |
prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1349 |
root |
1.227 |
TRANSFER (ta, 1); |
1350 |
root |
1.21 |
} |
1351 |
|
|
|
1352 |
root |
1.22 |
/** Coro ********************************************************************/ |
1353 |
|
|
|
1354 |
|
|
static void |
1355 |
root |
1.146 |
coro_enq (pTHX_ SV *coro_sv) |
1356 |
root |
1.22 |
{ |
1357 |
root |
1.112 |
av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv); |
1358 |
root |
1.22 |
} |
1359 |
|
|
|
1360 |
|
|
static SV * |
1361 |
root |
1.218 |
coro_deq (pTHX) |
1362 |
root |
1.22 |
{ |
1363 |
root |
1.218 |
int prio; |
1364 |
root |
1.22 |
|
1365 |
root |
1.218 |
for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; ) |
1366 |
root |
1.83 |
if (AvFILLp (coro_ready [prio]) >= 0) |
1367 |
root |
1.137 |
return av_shift (coro_ready [prio]); |
1368 |
root |
1.22 |
|
1369 |
|
|
return 0; |
1370 |
|
|
} |
1371 |
|
|
|
1372 |
root |
1.111 |
static int |
1373 |
|
|
api_ready (SV *coro_sv) |
1374 |
root |
1.23 |
{ |
1375 |
root |
1.146 |
dTHX; |
1376 |
root |
1.111 |
struct coro *coro; |
1377 |
|
|
|
1378 |
|
|
if (SvROK (coro_sv)) |
1379 |
|
|
coro_sv = SvRV (coro_sv); |
1380 |
|
|
|
1381 |
|
|
coro = SvSTATE (coro_sv); |
1382 |
root |
1.112 |
|
1383 |
root |
1.111 |
if (coro->flags & CF_READY) |
1384 |
|
|
return 0; |
1385 |
pcg |
1.56 |
|
1386 |
root |
1.111 |
coro->flags |= CF_READY; |
1387 |
root |
1.39 |
|
1388 |
pcg |
1.55 |
LOCK; |
1389 |
root |
1.146 |
coro_enq (aTHX_ SvREFCNT_inc (coro_sv)); |
1390 |
root |
1.137 |
++coro_nready; |
1391 |
pcg |
1.55 |
UNLOCK; |
1392 |
root |
1.111 |
|
1393 |
|
|
return 1; |
1394 |
|
|
} |
1395 |
|
|
|
1396 |
|
|
static int |
1397 |
|
|
api_is_ready (SV *coro_sv) |
1398 |
|
|
{ |
1399 |
root |
1.146 |
dTHX; |
1400 |
root |
1.130 |
return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1401 |
root |
1.23 |
} |
1402 |
|
|
|
1403 |
|
|
static void |
1404 |
root |
1.146 |
prepare_schedule (pTHX_ struct transfer_args *ta) |
1405 |
root |
1.23 |
{ |
1406 |
root |
1.133 |
SV *prev_sv, *next_sv; |
1407 |
root |
1.88 |
|
1408 |
|
|
for (;;) |
1409 |
|
|
{ |
1410 |
|
|
LOCK; |
1411 |
root |
1.218 |
next_sv = coro_deq (aTHX); |
1412 |
root |
1.88 |
|
1413 |
root |
1.133 |
/* nothing to schedule: call the idle handler */ |
1414 |
root |
1.194 |
if (expect_false (!next_sv)) |
1415 |
root |
1.133 |
{ |
1416 |
root |
1.140 |
dSP; |
1417 |
root |
1.138 |
UNLOCK; |
1418 |
root |
1.133 |
|
1419 |
|
|
ENTER; |
1420 |
|
|
SAVETMPS; |
1421 |
root |
1.23 |
|
1422 |
root |
1.133 |
PUSHMARK (SP); |
1423 |
|
|
PUTBACK; |
1424 |
|
|
call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD); |
1425 |
root |
1.219 |
SPAGAIN; |
1426 |
root |
1.133 |
|
1427 |
|
|
FREETMPS; |
1428 |
|
|
LEAVE; |
1429 |
|
|
continue; |
1430 |
|
|
} |
1431 |
root |
1.88 |
|
1432 |
root |
1.133 |
ta->next = SvSTATE (next_sv); |
1433 |
pcg |
1.55 |
|
1434 |
root |
1.133 |
/* cannot transfer to destroyed coros, skip and look for next */ |
1435 |
root |
1.194 |
if (expect_false (ta->next->flags & CF_DESTROYED)) |
1436 |
root |
1.133 |
{ |
1437 |
root |
1.138 |
UNLOCK; |
1438 |
root |
1.133 |
SvREFCNT_dec (next_sv); |
1439 |
root |
1.137 |
/* coro_nready is already taken care of by destroy */ |
1440 |
root |
1.133 |
continue; |
1441 |
|
|
} |
1442 |
root |
1.23 |
|
1443 |
root |
1.137 |
--coro_nready; |
1444 |
|
|
UNLOCK; |
1445 |
root |
1.133 |
break; |
1446 |
root |
1.88 |
} |
1447 |
|
|
|
1448 |
root |
1.133 |
/* free this only after the transfer */ |
1449 |
|
|
prev_sv = SvRV (coro_current); |
1450 |
|
|
ta->prev = SvSTATE (prev_sv); |
1451 |
root |
1.170 |
TRANSFER_CHECK (*ta); |
1452 |
root |
1.133 |
assert (ta->next->flags & CF_READY); |
1453 |
|
|
ta->next->flags &= ~CF_READY; |
1454 |
root |
1.170 |
SvRV_set (coro_current, next_sv); |
1455 |
root |
1.23 |
|
1456 |
root |
1.99 |
LOCK; |
1457 |
root |
1.146 |
free_coro_mortal (aTHX); |
1458 |
root |
1.133 |
coro_mortal = prev_sv; |
1459 |
root |
1.99 |
UNLOCK; |
1460 |
root |
1.92 |
} |
1461 |
|
|
|
1462 |
|
|
static void |
1463 |
root |
1.146 |
prepare_cede (pTHX_ struct transfer_args *ta) |
1464 |
root |
1.92 |
{ |
1465 |
root |
1.117 |
api_ready (coro_current); |
1466 |
root |
1.146 |
prepare_schedule (aTHX_ ta); |
1467 |
root |
1.131 |
} |
1468 |
pcg |
1.55 |
|
1469 |
root |
1.131 |
static int |
1470 |
root |
1.146 |
prepare_cede_notself (pTHX_ struct transfer_args *ta) |
1471 |
root |
1.131 |
{ |
1472 |
|
|
if (coro_nready) |
1473 |
|
|
{ |
1474 |
|
|
SV *prev = SvRV (coro_current); |
1475 |
root |
1.146 |
prepare_schedule (aTHX_ ta); |
1476 |
root |
1.131 |
api_ready (prev); |
1477 |
|
|
return 1; |
1478 |
|
|
} |
1479 |
|
|
else |
1480 |
|
|
return 0; |
1481 |
root |
1.39 |
} |
1482 |
|
|
|
1483 |
root |
1.92 |
static void |
1484 |
|
|
api_schedule (void) |
1485 |
|
|
{ |
1486 |
root |
1.146 |
dTHX; |
1487 |
root |
1.92 |
struct transfer_args ta; |
1488 |
|
|
|
1489 |
root |
1.146 |
prepare_schedule (aTHX_ &ta); |
1490 |
root |
1.227 |
TRANSFER (ta, 1); |
1491 |
root |
1.92 |
} |
1492 |
root |
1.89 |
|
1493 |
root |
1.131 |
static int |
1494 |
root |
1.39 |
api_cede (void) |
1495 |
|
|
{ |
1496 |
root |
1.146 |
dTHX; |
1497 |
root |
1.92 |
struct transfer_args ta; |
1498 |
root |
1.89 |
|
1499 |
root |
1.146 |
prepare_cede (aTHX_ &ta); |
1500 |
root |
1.131 |
|
1501 |
root |
1.194 |
if (expect_true (ta.prev != ta.next)) |
1502 |
root |
1.131 |
{ |
1503 |
root |
1.227 |
TRANSFER (ta, 1); |
1504 |
root |
1.131 |
return 1; |
1505 |
|
|
} |
1506 |
|
|
else |
1507 |
|
|
return 0; |
1508 |
|
|
} |
1509 |
|
|
|
1510 |
|
|
static int |
1511 |
|
|
api_cede_notself (void) |
1512 |
|
|
{ |
1513 |
root |
1.146 |
dTHX; |
1514 |
root |
1.131 |
struct transfer_args ta; |
1515 |
|
|
|
1516 |
root |
1.146 |
if (prepare_cede_notself (aTHX_ &ta)) |
1517 |
root |
1.131 |
{ |
1518 |
root |
1.227 |
TRANSFER (ta, 1); |
1519 |
root |
1.131 |
return 1; |
1520 |
|
|
} |
1521 |
|
|
else |
1522 |
|
|
return 0; |
1523 |
root |
1.23 |
} |
1524 |
|
|
|
1525 |
root |
1.173 |
static void |
1526 |
root |
1.174 |
api_trace (SV *coro_sv, int flags) |
1527 |
root |
1.173 |
{ |
1528 |
|
|
dTHX; |
1529 |
root |
1.174 |
struct coro *coro = SvSTATE (coro_sv); |
1530 |
root |
1.173 |
|
1531 |
|
|
if (flags & CC_TRACE) |
1532 |
|
|
{ |
1533 |
|
|
if (!coro->cctx) |
1534 |
|
|
coro->cctx = cctx_new (); |
1535 |
|
|
else if (!(coro->cctx->flags & CC_TRACE)) |
1536 |
|
|
croak ("cannot enable tracing on coroutine with custom stack"); |
1537 |
|
|
|
1538 |
|
|
coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL)); |
1539 |
|
|
} |
1540 |
|
|
else if (coro->cctx && coro->cctx->flags & CC_TRACE) |
1541 |
|
|
{ |
1542 |
|
|
coro->cctx->flags &= ~(CC_TRACE | CC_TRACE_ALL); |
1543 |
|
|
|
1544 |
|
|
if (coro->flags & CF_RUNNING) |
1545 |
|
|
PL_runops = RUNOPS_DEFAULT; |
1546 |
|
|
else |
1547 |
root |
1.198 |
coro->slot->runops = RUNOPS_DEFAULT; |
1548 |
root |
1.173 |
} |
1549 |
|
|
} |
1550 |
|
|
|
1551 |
|
|
MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
1552 |
root |
1.1 |
|
1553 |
root |
1.87 |
PROTOTYPES: DISABLE |
1554 |
root |
1.1 |
|
1555 |
root |
1.3 |
BOOT: |
1556 |
root |
1.88 |
{ |
1557 |
pcg |
1.55 |
#ifdef USE_ITHREADS |
1558 |
|
|
MUTEX_INIT (&coro_mutex); |
1559 |
|
|
#endif |
1560 |
root |
1.78 |
BOOT_PAGESIZE; |
1561 |
pcg |
1.55 |
|
1562 |
root |
1.190 |
irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
1563 |
|
|
stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
1564 |
root |
1.220 |
|
1565 |
root |
1.214 |
orig_sigelem_get = PL_vtbl_sigelem.svt_get; |
1566 |
|
|
PL_vtbl_sigelem.svt_get = coro_sigelem_get; |
1567 |
root |
1.220 |
orig_sigelem_set = PL_vtbl_sigelem.svt_set; |
1568 |
|
|
PL_vtbl_sigelem.svt_set = coro_sigelem_set; |
1569 |
|
|
|
1570 |
root |
1.213 |
hv_sig = coro_get_hv (aTHX_ "SIG", TRUE); |
1571 |
root |
1.220 |
rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV)); |
1572 |
|
|
rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV)); |
1573 |
root |
1.199 |
|
1574 |
root |
1.14 |
coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
1575 |
root |
1.7 |
|
1576 |
root |
1.167 |
newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE)); |
1577 |
|
|
newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB)); |
1578 |
|
|
newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE)); |
1579 |
|
|
newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL)); |
1580 |
|
|
|
1581 |
root |
1.12 |
main_mainstack = PL_mainstack; |
1582 |
root |
1.148 |
main_top_env = PL_top_env; |
1583 |
|
|
|
1584 |
|
|
while (main_top_env->je_prev) |
1585 |
|
|
main_top_env = main_top_env->je_prev; |
1586 |
root |
1.23 |
|
1587 |
root |
1.26 |
coroapi.ver = CORO_API_VERSION; |
1588 |
root |
1.210 |
coroapi.rev = CORO_API_REVISION; |
1589 |
root |
1.26 |
coroapi.transfer = api_transfer; |
1590 |
root |
1.87 |
|
1591 |
|
|
assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
1592 |
root |
1.9 |
} |
1593 |
root |
1.3 |
|
1594 |
root |
1.87 |
SV * |
1595 |
root |
1.86 |
new (char *klass, ...) |
1596 |
root |
1.1 |
CODE: |
1597 |
root |
1.86 |
{ |
1598 |
root |
1.87 |
struct coro *coro; |
1599 |
root |
1.214 |
MAGIC *mg; |
1600 |
root |
1.87 |
HV *hv; |
1601 |
root |
1.86 |
int i; |
1602 |
|
|
|
1603 |
pcg |
1.47 |
Newz (0, coro, 1, struct coro); |
1604 |
root |
1.178 |
coro->args = newAV (); |
1605 |
root |
1.117 |
coro->flags = CF_NEW; |
1606 |
root |
1.86 |
|
1607 |
root |
1.153 |
if (coro_first) coro_first->prev = coro; |
1608 |
|
|
coro->next = coro_first; |
1609 |
|
|
coro_first = coro; |
1610 |
root |
1.151 |
|
1611 |
|
|
coro->hv = hv = newHV (); |
1612 |
root |
1.214 |
mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
1613 |
|
|
mg->mg_flags |= MGf_DUP; |
1614 |
root |
1.89 |
RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
1615 |
|
|
|
1616 |
root |
1.192 |
av_extend (coro->args, items - 1); |
1617 |
root |
1.86 |
for (i = 1; i < items; i++) |
1618 |
|
|
av_push (coro->args, newSVsv (ST (i))); |
1619 |
|
|
} |
1620 |
root |
1.1 |
OUTPUT: |
1621 |
|
|
RETVAL |
1622 |
|
|
|
1623 |
root |
1.176 |
# these not obviously related functions are all rolled into the same xs |
1624 |
|
|
# function to increase chances that they all will call transfer with the same |
1625 |
|
|
# stack offset |
1626 |
root |
1.1 |
void |
1627 |
root |
1.94 |
_set_stacklevel (...) |
1628 |
root |
1.92 |
ALIAS: |
1629 |
root |
1.210 |
Coro::State::transfer = 1 |
1630 |
|
|
Coro::schedule = 2 |
1631 |
|
|
Coro::cede = 3 |
1632 |
|
|
Coro::cede_notself = 4 |
1633 |
|
|
CODE: |
1634 |
root |
1.87 |
{ |
1635 |
root |
1.92 |
struct transfer_args ta; |
1636 |
root |
1.1 |
|
1637 |
root |
1.219 |
PUTBACK; |
1638 |
root |
1.210 |
switch (ix) |
1639 |
root |
1.1 |
{ |
1640 |
root |
1.210 |
case 0: |
1641 |
|
|
ta.prev = (struct coro *)INT2PTR (coro_cctx *, SvIV (ST (0))); |
1642 |
|
|
ta.next = 0; |
1643 |
|
|
break; |
1644 |
|
|
|
1645 |
|
|
case 1: |
1646 |
|
|
if (items != 2) |
1647 |
|
|
croak ("Coro::State::transfer (prev,next) expects two arguments, not %d", items); |
1648 |
|
|
|
1649 |
|
|
prepare_transfer (aTHX_ &ta, ST (0), ST (1)); |
1650 |
|
|
break; |
1651 |
|
|
|
1652 |
|
|
case 2: |
1653 |
|
|
prepare_schedule (aTHX_ &ta); |
1654 |
|
|
break; |
1655 |
|
|
|
1656 |
|
|
case 3: |
1657 |
|
|
prepare_cede (aTHX_ &ta); |
1658 |
|
|
break; |
1659 |
|
|
|
1660 |
|
|
case 4: |
1661 |
|
|
if (!prepare_cede_notself (aTHX_ &ta)) |
1662 |
|
|
XSRETURN_EMPTY; |
1663 |
root |
1.131 |
|
1664 |
root |
1.210 |
break; |
1665 |
root |
1.92 |
} |
1666 |
root |
1.219 |
SPAGAIN; |
1667 |
root |
1.135 |
|
1668 |
root |
1.210 |
BARRIER; |
1669 |
|
|
PUTBACK; |
1670 |
root |
1.227 |
TRANSFER (ta, 0); |
1671 |
root |
1.210 |
SPAGAIN; /* might be the sp of a different coroutine now */ |
1672 |
|
|
/* be extra careful not to ever do anything after TRANSFER */ |
1673 |
root |
1.209 |
} |
1674 |
root |
1.1 |
|
1675 |
root |
1.133 |
bool |
1676 |
|
|
_destroy (SV *coro_sv) |
1677 |
root |
1.87 |
CODE: |
1678 |
root |
1.146 |
RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv)); |
1679 |
root |
1.133 |
OUTPUT: |
1680 |
|
|
RETVAL |
1681 |
root |
1.12 |
|
1682 |
root |
1.7 |
void |
1683 |
root |
1.87 |
_exit (code) |
1684 |
root |
1.20 |
int code |
1685 |
|
|
PROTOTYPE: $ |
1686 |
|
|
CODE: |
1687 |
|
|
_exit (code); |
1688 |
root |
1.1 |
|
1689 |
root |
1.106 |
int |
1690 |
root |
1.145 |
cctx_stacksize (int new_stacksize = 0) |
1691 |
|
|
CODE: |
1692 |
|
|
RETVAL = coro_stacksize; |
1693 |
|
|
if (new_stacksize) |
1694 |
|
|
coro_stacksize = new_stacksize; |
1695 |
|
|
OUTPUT: |
1696 |
|
|
RETVAL |
1697 |
|
|
|
1698 |
|
|
int |
1699 |
root |
1.106 |
cctx_count () |
1700 |
|
|
CODE: |
1701 |
|
|
RETVAL = cctx_count; |
1702 |
|
|
OUTPUT: |
1703 |
|
|
RETVAL |
1704 |
|
|
|
1705 |
|
|
int |
1706 |
|
|
cctx_idle () |
1707 |
|
|
CODE: |
1708 |
root |
1.211 |
RETVAL = cctx_idle; |
1709 |
root |
1.106 |
OUTPUT: |
1710 |
|
|
RETVAL |
1711 |
|
|
|
1712 |
root |
1.151 |
void |
1713 |
|
|
list () |
1714 |
|
|
PPCODE: |
1715 |
|
|
{ |
1716 |
|
|
struct coro *coro; |
1717 |
root |
1.153 |
for (coro = coro_first; coro; coro = coro->next) |
1718 |
root |
1.151 |
if (coro->hv) |
1719 |
|
|
XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
1720 |
|
|
} |
1721 |
|
|
|
1722 |
|
|
void |
1723 |
root |
1.164 |
call (Coro::State coro, SV *coderef) |
1724 |
|
|
ALIAS: |
1725 |
|
|
eval = 1 |
1726 |
root |
1.151 |
CODE: |
1727 |
|
|
{ |
1728 |
|
|
if (coro->mainstack) |
1729 |
|
|
{ |
1730 |
|
|
struct coro temp; |
1731 |
|
|
|
1732 |
|
|
if (!(coro->flags & CF_RUNNING)) |
1733 |
|
|
{ |
1734 |
root |
1.219 |
PUTBACK; |
1735 |
root |
1.151 |
save_perl (aTHX_ &temp); |
1736 |
|
|
load_perl (aTHX_ coro); |
1737 |
|
|
} |
1738 |
|
|
|
1739 |
|
|
{ |
1740 |
|
|
dSP; |
1741 |
|
|
ENTER; |
1742 |
|
|
SAVETMPS; |
1743 |
root |
1.208 |
PUTBACK; |
1744 |
|
|
PUSHSTACK; |
1745 |
root |
1.151 |
PUSHMARK (SP); |
1746 |
root |
1.198 |
|
1747 |
root |
1.164 |
if (ix) |
1748 |
|
|
eval_sv (coderef, 0); |
1749 |
|
|
else |
1750 |
|
|
call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
1751 |
root |
1.198 |
|
1752 |
root |
1.208 |
POPSTACK; |
1753 |
root |
1.211 |
SPAGAIN; |
1754 |
root |
1.151 |
FREETMPS; |
1755 |
|
|
LEAVE; |
1756 |
root |
1.210 |
PUTBACK; |
1757 |
root |
1.151 |
} |
1758 |
|
|
|
1759 |
|
|
if (!(coro->flags & CF_RUNNING)) |
1760 |
|
|
{ |
1761 |
|
|
save_perl (aTHX_ coro); |
1762 |
|
|
load_perl (aTHX_ &temp); |
1763 |
root |
1.219 |
SPAGAIN; |
1764 |
root |
1.151 |
} |
1765 |
|
|
} |
1766 |
|
|
} |
1767 |
root |
1.172 |
|
1768 |
root |
1.151 |
SV * |
1769 |
root |
1.152 |
is_ready (Coro::State coro) |
1770 |
root |
1.151 |
PROTOTYPE: $ |
1771 |
|
|
ALIAS: |
1772 |
|
|
is_ready = CF_READY |
1773 |
|
|
is_running = CF_RUNNING |
1774 |
|
|
is_new = CF_NEW |
1775 |
|
|
is_destroyed = CF_DESTROYED |
1776 |
|
|
CODE: |
1777 |
|
|
RETVAL = boolSV (coro->flags & ix); |
1778 |
|
|
OUTPUT: |
1779 |
|
|
RETVAL |
1780 |
|
|
|
1781 |
root |
1.165 |
void |
1782 |
root |
1.174 |
api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
1783 |
root |
1.165 |
|
1784 |
root |
1.162 |
SV * |
1785 |
|
|
has_stack (Coro::State coro) |
1786 |
|
|
PROTOTYPE: $ |
1787 |
|
|
CODE: |
1788 |
|
|
RETVAL = boolSV (!!coro->cctx); |
1789 |
|
|
OUTPUT: |
1790 |
|
|
RETVAL |
1791 |
|
|
|
1792 |
root |
1.167 |
int |
1793 |
|
|
is_traced (Coro::State coro) |
1794 |
|
|
PROTOTYPE: $ |
1795 |
|
|
CODE: |
1796 |
|
|
RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL; |
1797 |
|
|
OUTPUT: |
1798 |
|
|
RETVAL |
1799 |
|
|
|
1800 |
root |
1.152 |
IV |
1801 |
|
|
rss (Coro::State coro) |
1802 |
|
|
PROTOTYPE: $ |
1803 |
root |
1.172 |
ALIAS: |
1804 |
|
|
usecount = 1 |
1805 |
root |
1.152 |
CODE: |
1806 |
root |
1.172 |
switch (ix) |
1807 |
|
|
{ |
1808 |
|
|
case 0: RETVAL = coro_rss (aTHX_ coro); break; |
1809 |
|
|
case 1: RETVAL = coro->usecount; break; |
1810 |
|
|
} |
1811 |
root |
1.152 |
OUTPUT: |
1812 |
|
|
RETVAL |
1813 |
|
|
|
1814 |
root |
1.226 |
void |
1815 |
|
|
force_cctx () |
1816 |
|
|
CODE: |
1817 |
|
|
struct coro *coro = SvSTATE (coro_current); |
1818 |
|
|
coro->cctx->idle_sp = 0; |
1819 |
root |
1.151 |
|
1820 |
root |
1.21 |
MODULE = Coro::State PACKAGE = Coro |
1821 |
|
|
|
1822 |
|
|
BOOT: |
1823 |
|
|
{ |
1824 |
root |
1.22 |
int i; |
1825 |
|
|
|
1826 |
root |
1.213 |
sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
1827 |
|
|
sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
1828 |
|
|
av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
1829 |
root |
1.159 |
|
1830 |
root |
1.213 |
coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE); |
1831 |
root |
1.159 |
SvREADONLY_on (coro_current); |
1832 |
|
|
|
1833 |
root |
1.198 |
coro_stash = gv_stashpv ("Coro", TRUE); |
1834 |
root |
1.88 |
|
1835 |
|
|
newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
1836 |
|
|
newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
1837 |
|
|
newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); |
1838 |
|
|
newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); |
1839 |
|
|
newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE)); |
1840 |
|
|
newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN)); |
1841 |
root |
1.22 |
|
1842 |
|
|
for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) |
1843 |
|
|
coro_ready[i] = newAV (); |
1844 |
root |
1.26 |
|
1845 |
|
|
{ |
1846 |
root |
1.198 |
SV *sv = perl_get_sv ("Coro::API", TRUE); |
1847 |
|
|
perl_get_sv ("Coro::API", TRUE); /* silence 5.10 warning */ |
1848 |
root |
1.26 |
|
1849 |
root |
1.131 |
coroapi.schedule = api_schedule; |
1850 |
|
|
coroapi.cede = api_cede; |
1851 |
|
|
coroapi.cede_notself = api_cede_notself; |
1852 |
|
|
coroapi.ready = api_ready; |
1853 |
|
|
coroapi.is_ready = api_is_ready; |
1854 |
|
|
coroapi.nready = &coro_nready; |
1855 |
|
|
coroapi.current = coro_current; |
1856 |
root |
1.26 |
|
1857 |
|
|
GCoroAPI = &coroapi; |
1858 |
root |
1.81 |
sv_setiv (sv, (IV)&coroapi); |
1859 |
|
|
SvREADONLY_on (sv); |
1860 |
root |
1.26 |
} |
1861 |
root |
1.21 |
} |
1862 |
|
|
|
1863 |
root |
1.122 |
void |
1864 |
|
|
_set_current (SV *current) |
1865 |
|
|
PROTOTYPE: $ |
1866 |
|
|
CODE: |
1867 |
|
|
SvREFCNT_dec (SvRV (coro_current)); |
1868 |
|
|
SvRV_set (coro_current, SvREFCNT_inc (SvRV (current))); |
1869 |
|
|
|
1870 |
root |
1.92 |
int |
1871 |
|
|
prio (Coro::State coro, int newprio = 0) |
1872 |
|
|
ALIAS: |
1873 |
|
|
nice = 1 |
1874 |
|
|
CODE: |
1875 |
|
|
{ |
1876 |
|
|
RETVAL = coro->prio; |
1877 |
|
|
|
1878 |
|
|
if (items > 1) |
1879 |
|
|
{ |
1880 |
|
|
if (ix) |
1881 |
root |
1.129 |
newprio = coro->prio - newprio; |
1882 |
root |
1.92 |
|
1883 |
|
|
if (newprio < PRIO_MIN) newprio = PRIO_MIN; |
1884 |
|
|
if (newprio > PRIO_MAX) newprio = PRIO_MAX; |
1885 |
|
|
|
1886 |
|
|
coro->prio = newprio; |
1887 |
|
|
} |
1888 |
|
|
} |
1889 |
root |
1.130 |
OUTPUT: |
1890 |
|
|
RETVAL |
1891 |
root |
1.92 |
|
1892 |
root |
1.111 |
SV * |
1893 |
root |
1.89 |
ready (SV *self) |
1894 |
root |
1.35 |
PROTOTYPE: $ |
1895 |
root |
1.21 |
CODE: |
1896 |
root |
1.111 |
RETVAL = boolSV (api_ready (self)); |
1897 |
|
|
OUTPUT: |
1898 |
|
|
RETVAL |
1899 |
|
|
|
1900 |
root |
1.25 |
int |
1901 |
root |
1.87 |
nready (...) |
1902 |
root |
1.25 |
PROTOTYPE: |
1903 |
|
|
CODE: |
1904 |
|
|
RETVAL = coro_nready; |
1905 |
|
|
OUTPUT: |
1906 |
|
|
RETVAL |
1907 |
|
|
|
1908 |
root |
1.196 |
void |
1909 |
|
|
throw (Coro::State self, SV *throw = &PL_sv_undef) |
1910 |
|
|
PROTOTYPE: $;$ |
1911 |
|
|
CODE: |
1912 |
|
|
SvREFCNT_dec (self->throw); |
1913 |
|
|
self->throw = SvOK (throw) ? newSVsv (throw) : 0; |
1914 |
|
|
|
1915 |
root |
1.224 |
void |
1916 |
|
|
swap_defsv (Coro::State self) |
1917 |
|
|
PROTOTYPE: $ |
1918 |
|
|
ALIAS: |
1919 |
|
|
swap_defav = 1 |
1920 |
|
|
CODE: |
1921 |
|
|
if (!self->slot) |
1922 |
|
|
croak ("cannot swap state with coroutine that has no saved state"); |
1923 |
|
|
else |
1924 |
|
|
{ |
1925 |
root |
1.225 |
SV **src = ix ? (SV **)&GvAV (PL_defgv) : &GvSV (PL_defgv); |
1926 |
|
|
SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv; |
1927 |
root |
1.224 |
|
1928 |
|
|
SV *tmp = *src; *src = *dst; *dst = tmp; |
1929 |
|
|
} |
1930 |
|
|
|
1931 |
root |
1.159 |
# for async_pool speedup |
1932 |
root |
1.161 |
void |
1933 |
|
|
_pool_1 (SV *cb) |
1934 |
root |
1.159 |
CODE: |
1935 |
|
|
{ |
1936 |
root |
1.181 |
struct coro *coro = SvSTATE (coro_current); |
1937 |
root |
1.159 |
HV *hv = (HV *)SvRV (coro_current); |
1938 |
|
|
AV *defav = GvAV (PL_defgv); |
1939 |
root |
1.212 |
SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0); |
1940 |
root |
1.159 |
AV *invoke_av; |
1941 |
root |
1.181 |
int i, len; |
1942 |
|
|
|
1943 |
root |
1.159 |
if (!invoke) |
1944 |
root |
1.221 |
{ |
1945 |
|
|
SvREFCNT_dec (PL_diehook); PL_diehook = 0; |
1946 |
|
|
croak ("\3async_pool terminate\2\n"); |
1947 |
|
|
} |
1948 |
root |
1.159 |
|
1949 |
root |
1.184 |
SvREFCNT_dec (coro->saved_deffh); |
1950 |
|
|
coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv); |
1951 |
root |
1.182 |
|
1952 |
root |
1.159 |
hv_store (hv, "desc", sizeof ("desc") - 1, |
1953 |
root |
1.212 |
newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0); |
1954 |
root |
1.159 |
|
1955 |
|
|
invoke_av = (AV *)SvRV (invoke); |
1956 |
|
|
len = av_len (invoke_av); |
1957 |
|
|
|
1958 |
root |
1.161 |
sv_setsv (cb, AvARRAY (invoke_av)[0]); |
1959 |
root |
1.159 |
|
1960 |
|
|
if (len > 0) |
1961 |
|
|
{ |
1962 |
root |
1.161 |
av_fill (defav, len - 1); |
1963 |
root |
1.159 |
for (i = 0; i < len; ++i) |
1964 |
|
|
av_store (defav, i, SvREFCNT_inc (AvARRAY (invoke_av)[i + 1])); |
1965 |
|
|
} |
1966 |
|
|
|
1967 |
|
|
SvREFCNT_dec (invoke); |
1968 |
|
|
} |
1969 |
|
|
|
1970 |
|
|
void |
1971 |
root |
1.161 |
_pool_2 (SV *cb) |
1972 |
root |
1.159 |
CODE: |
1973 |
|
|
{ |
1974 |
|
|
struct coro *coro = SvSTATE (coro_current); |
1975 |
|
|
|
1976 |
root |
1.161 |
sv_setsv (cb, &PL_sv_undef); |
1977 |
|
|
|
1978 |
root |
1.184 |
SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
1979 |
|
|
coro->saved_deffh = 0; |
1980 |
root |
1.181 |
|
1981 |
root |
1.171 |
if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss) |
1982 |
root |
1.159 |
|| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
1983 |
root |
1.221 |
{ |
1984 |
|
|
SvREFCNT_dec (PL_diehook); PL_diehook = 0; |
1985 |
|
|
croak ("\3async_pool terminate\2\n"); |
1986 |
|
|
} |
1987 |
root |
1.159 |
|
1988 |
|
|
av_clear (GvAV (PL_defgv)); |
1989 |
root |
1.212 |
hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1, |
1990 |
|
|
newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0); |
1991 |
root |
1.175 |
|
1992 |
root |
1.159 |
coro->prio = 0; |
1993 |
root |
1.173 |
|
1994 |
|
|
if (coro->cctx && (coro->cctx->flags & CC_TRACE)) |
1995 |
root |
1.174 |
api_trace (coro_current, 0); |
1996 |
root |
1.173 |
|
1997 |
root |
1.159 |
av_push (av_async_pool, newSVsv (coro_current)); |
1998 |
|
|
} |
1999 |
|
|
|
2000 |
|
|
|
2001 |
root |
1.89 |
MODULE = Coro::State PACKAGE = Coro::AIO |
2002 |
|
|
|
2003 |
root |
1.70 |
SV * |
2004 |
root |
1.89 |
_get_state () |
2005 |
root |
1.70 |
CODE: |
2006 |
|
|
{ |
2007 |
root |
1.121 |
struct io_state *data; |
2008 |
|
|
|
2009 |
root |
1.120 |
RETVAL = newSV (sizeof (struct io_state)); |
2010 |
root |
1.121 |
data = (struct io_state *)SvPVX (RETVAL); |
2011 |
root |
1.120 |
SvCUR_set (RETVAL, sizeof (struct io_state)); |
2012 |
|
|
SvPOK_only (RETVAL); |
2013 |
|
|
|
2014 |
|
|
data->errorno = errno; |
2015 |
|
|
data->laststype = PL_laststype; |
2016 |
|
|
data->laststatval = PL_laststatval; |
2017 |
|
|
data->statcache = PL_statcache; |
2018 |
root |
1.70 |
} |
2019 |
|
|
OUTPUT: |
2020 |
|
|
RETVAL |
2021 |
|
|
|
2022 |
|
|
void |
2023 |
root |
1.89 |
_set_state (char *data_) |
2024 |
root |
1.70 |
PROTOTYPE: $ |
2025 |
|
|
CODE: |
2026 |
|
|
{ |
2027 |
root |
1.120 |
struct io_state *data = (void *)data_; |
2028 |
root |
1.70 |
|
2029 |
root |
1.120 |
errno = data->errorno; |
2030 |
|
|
PL_laststype = data->laststype; |
2031 |
root |
1.70 |
PL_laststatval = data->laststatval; |
2032 |
root |
1.120 |
PL_statcache = data->statcache; |
2033 |
root |
1.70 |
} |
2034 |
root |
1.120 |
|