… | |
… | |
3 | #include <errno.h> |
3 | #include <errno.h> |
4 | |
4 | |
5 | #include "EXTERN.h" |
5 | #include "EXTERN.h" |
6 | #include "perl.h" |
6 | #include "perl.h" |
7 | #include "XSUB.h" |
7 | #include "XSUB.h" |
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8 | |
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9 | #include "schmorp.h" |
8 | |
10 | |
9 | #include <stddef.h> |
11 | #include <stddef.h> |
10 | #include <stdlib.h> |
12 | #include <stdlib.h> |
11 | #include <errno.h> |
13 | #include <errno.h> |
12 | #include <sys/types.h> |
14 | #include <sys/types.h> |
… | |
… | |
65 | # include <signal.h> |
67 | # include <signal.h> |
66 | # define EIO_STRUCT_DIRENT struct dirent |
68 | # define EIO_STRUCT_DIRENT struct dirent |
67 | |
69 | |
68 | #endif |
70 | #endif |
69 | |
71 | |
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72 | /* perl stupidly overrides readdir and maybe others */ |
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73 | /* with thread-unsafe versions, imagine that :( */ |
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74 | #undef readdir |
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75 | #undef opendir |
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76 | #undef closedir |
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77 | |
70 | #define EIO_STRUCT_STAT Stat_t |
78 | #define EIO_STRUCT_STAT Stat_t |
71 | |
79 | |
72 | /* use NV for 32 bit perls as it allows larger offsets */ |
80 | /* use NV for 32 bit perls as it allows larger offsets */ |
73 | #if IVSIZE >= 8 |
81 | #if IVSIZE >= 8 |
|
|
82 | # define VAL64 IV |
74 | # define SvVAL64 SvIV |
83 | # define SvVAL64 SvIV |
|
|
84 | # define newSVval64 newSViv |
75 | #else |
85 | #else |
|
|
86 | # define VAL64 NV |
76 | # define SvVAL64 SvNV |
87 | # define SvVAL64 SvNV |
|
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88 | # define newSVval64 newSVnv |
77 | #endif |
89 | #endif |
78 | |
90 | |
79 | static HV *stash; |
91 | /*****************************************************************************/ |
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92 | |
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93 | #if __GNUC__ >= 3 |
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94 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
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95 | #else |
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96 | # define expect(expr,value) (expr) |
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97 | #endif |
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98 | |
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99 | #define expect_false(expr) expect ((expr) != 0, 0) |
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100 | #define expect_true(expr) expect ((expr) != 0, 1) |
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101 | |
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102 | /*****************************************************************************/ |
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103 | |
80 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
104 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
|
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105 | typedef int aio_rfd; /* read file desriptor */ |
|
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106 | typedef int aio_wfd; /* write file descriptor */ |
81 | |
107 | |
82 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
108 | static HV *aio_stash, *aio_req_stash, *aio_grp_stash; |
83 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
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84 | |
109 | |
85 | #define EIO_REQ_MEMBERS \ |
110 | #define EIO_REQ_MEMBERS \ |
86 | SV *callback; \ |
111 | SV *callback; \ |
87 | SV *sv1, *sv2; \ |
112 | SV *sv1, *sv2; \ |
88 | STRLEN stroffset; \ |
113 | STRLEN stroffset; \ |
… | |
… | |
90 | |
115 | |
91 | #define EIO_NO_WRAPPERS 1 |
116 | #define EIO_NO_WRAPPERS 1 |
92 | |
117 | |
93 | #include "libeio/eio.h" |
118 | #include "libeio/eio.h" |
94 | |
119 | |
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120 | #ifndef POSIX_FADV_NORMAL |
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121 | # define POSIX_FADV_NORMAL 0 |
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122 | # define NO_FADVISE 1 |
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123 | #endif |
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124 | |
|
|
125 | #ifndef POSIX_FADV_SEQUENTIAL |
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126 | # define POSIX_FADV_SEQUENTIAL 0 |
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127 | #endif |
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128 | |
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129 | #ifndef POSIX_FADV_RANDOM |
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130 | # define POSIX_FADV_RANDOM 0 |
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131 | #endif |
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132 | |
|
|
133 | #ifndef POSIX_FADV_NOREUSE |
|
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134 | # define POSIX_FADV_NOREUSE 0 |
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135 | #endif |
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136 | |
|
|
137 | #ifndef POSIX_FADV_WILLNEED |
|
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138 | # define POSIX_FADV_WILLNEED 0 |
|
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139 | #endif |
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140 | |
|
|
141 | #ifndef POSIX_FADV_DONTNEED |
|
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142 | # define POSIX_FADV_DONTNEED 0 |
|
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143 | #endif |
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144 | |
95 | static int req_invoke (eio_req *req); |
145 | static int req_invoke (eio_req *req); |
96 | #define EIO_FINISH(req) req_invoke (req) |
146 | #define EIO_FINISH(req) req_invoke (req) |
97 | static void aio_grp_feed (eio_req *grp); |
|
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98 | #define EIO_FEED(req) aio_grp_feed (req) |
|
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99 | static void req_destroy (eio_req *grp); |
147 | static void req_destroy (eio_req *grp); |
100 | #define EIO_DESTROY(req) req_destroy (req) |
148 | #define EIO_DESTROY(req) req_destroy (req) |
101 | |
149 | |
102 | enum { |
150 | enum { |
103 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
151 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
… | |
… | |
110 | |
158 | |
111 | static SV *on_next_submit; |
159 | static SV *on_next_submit; |
112 | static int next_pri = EIO_PRI_DEFAULT; |
160 | static int next_pri = EIO_PRI_DEFAULT; |
113 | static int max_outstanding; |
161 | static int max_outstanding; |
114 | |
162 | |
115 | static int respipe_osf [2], respipe [2] = { -1, -1 }; |
163 | static s_epipe respipe; |
116 | |
164 | |
117 | static void req_destroy (aio_req req); |
165 | static void req_destroy (aio_req req); |
118 | static void req_cancel (aio_req req); |
166 | static void req_cancel (aio_req req); |
119 | |
167 | |
120 | static void want_poll (void) |
168 | static void want_poll (void) |
121 | { |
169 | { |
122 | /* write a dummy byte to the pipe so fh becomes ready */ |
170 | /* write a dummy byte to the pipe so fh becomes ready */ |
123 | respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); |
171 | s_epipe_signal (&respipe); |
124 | } |
172 | } |
125 | |
173 | |
126 | static void done_poll (void) |
174 | static void done_poll (void) |
127 | { |
175 | { |
128 | /* read any signals sent by the worker threads */ |
176 | /* read any signals sent by the worker threads */ |
129 | char buf [4]; |
177 | s_epipe_drain (&respipe); |
130 | while (respipe_read (respipe [0], buf, 4) == 4) |
|
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131 | ; |
|
|
132 | } |
178 | } |
133 | |
179 | |
134 | /* must be called at most once */ |
180 | /* must be called at most once */ |
135 | static SV *req_sv (aio_req req, const char *klass) |
181 | static SV *req_sv (aio_req req, HV *stash) |
136 | { |
182 | { |
137 | if (!req->self) |
183 | if (!req->self) |
138 | { |
184 | { |
139 | req->self = (SV *)newHV (); |
185 | req->self = (SV *)newHV (); |
140 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
186 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
141 | } |
187 | } |
142 | |
188 | |
143 | return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); |
189 | return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); |
144 | } |
190 | } |
145 | |
191 | |
146 | static aio_req SvAIO_REQ (SV *sv) |
192 | static aio_req SvAIO_REQ (SV *sv) |
147 | { |
193 | { |
148 | MAGIC *mg; |
194 | MAGIC *mg; |
149 | |
195 | |
150 | if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) |
196 | if (!SvROK (sv) |
|
|
197 | || (SvSTASH (SvRV (sv)) != aio_grp_stash |
|
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198 | && SvSTASH (SvRV (sv)) != aio_req_stash |
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199 | && !sv_derived_from (sv, "IO::AIO::REQ"))) |
151 | croak ("object of class " AIO_REQ_KLASS " expected"); |
200 | croak ("object of class IO::AIO::REQ expected"); |
152 | |
201 | |
153 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
202 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
154 | |
203 | |
155 | return mg ? (aio_req)mg->mg_ptr : 0; |
204 | return mg ? (aio_req)mg->mg_ptr : 0; |
156 | } |
205 | } |
… | |
… | |
162 | dSP; |
211 | dSP; |
163 | |
212 | |
164 | ENTER; |
213 | ENTER; |
165 | SAVETMPS; |
214 | SAVETMPS; |
166 | PUSHMARK (SP); |
215 | PUSHMARK (SP); |
167 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
216 | XPUSHs (req_sv (grp, aio_grp_stash)); |
168 | PUTBACK; |
217 | PUTBACK; |
169 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
218 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
170 | SPAGAIN; |
219 | SPAGAIN; |
171 | FREETMPS; |
220 | FREETMPS; |
172 | LEAVE; |
221 | LEAVE; |
… | |
… | |
175 | |
224 | |
176 | static void req_submit (eio_req *req) |
225 | static void req_submit (eio_req *req) |
177 | { |
226 | { |
178 | eio_submit (req); |
227 | eio_submit (req); |
179 | |
228 | |
180 | if (on_next_submit) |
229 | if (expect_false (on_next_submit)) |
181 | { |
230 | { |
182 | dSP; |
231 | dSP; |
183 | SV *cb = sv_2mortal (on_next_submit); |
232 | SV *cb = sv_2mortal (on_next_submit); |
184 | |
233 | |
185 | on_next_submit = 0; |
234 | on_next_submit = 0; |
… | |
… | |
195 | dSP; |
244 | dSP; |
196 | |
245 | |
197 | if (req->flags & FLAG_SV2_RO_OFF) |
246 | if (req->flags & FLAG_SV2_RO_OFF) |
198 | SvREADONLY_off (req->sv2); |
247 | SvREADONLY_off (req->sv2); |
199 | |
248 | |
200 | if (!EIO_CANCELLED (req) && SvOK (req->callback)) |
249 | if (!EIO_CANCELLED (req) && req->callback) |
201 | { |
250 | { |
202 | ENTER; |
251 | ENTER; |
203 | SAVETMPS; |
252 | SAVETMPS; |
204 | PUSHMARK (SP); |
253 | PUSHMARK (SP); |
205 | EXTEND (SP, 1); |
254 | EXTEND (SP, 1); |
… | |
… | |
211 | SV *rv = &PL_sv_undef; |
260 | SV *rv = &PL_sv_undef; |
212 | |
261 | |
213 | if (req->result >= 0) |
262 | if (req->result >= 0) |
214 | { |
263 | { |
215 | int i; |
264 | int i; |
216 | char *buf = req->ptr2; |
265 | char *names = (char *)req->ptr2; |
|
|
266 | eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */ |
217 | AV *av = newAV (); |
267 | AV *av = newAV (); |
218 | |
268 | |
219 | av_extend (av, req->result - 1); |
269 | av_extend (av, req->result - 1); |
220 | |
270 | |
221 | for (i = 0; i < req->result; ++i) |
271 | for (i = 0; i < req->result; ++i) |
222 | { |
272 | { |
223 | SV *sv = newSVpv (buf, 0); |
273 | if (req->int1 & EIO_READDIR_DENTS) |
|
|
274 | { |
|
|
275 | SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen); |
224 | |
276 | |
|
|
277 | if (req->int1 & EIO_READDIR_CUSTOM2) |
|
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278 | { |
|
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279 | static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */ |
|
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280 | AV *avent = newAV (); |
|
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281 | |
|
|
282 | av_extend (avent, 2); |
|
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283 | |
|
|
284 | if (!sv_type [ent->type]) |
|
|
285 | { |
|
|
286 | sv_type [ent->type] = newSViv (ent->type); |
|
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287 | SvREADONLY_on (sv_type [ent->type]); |
|
|
288 | } |
|
|
289 | |
|
|
290 | av_store (avent, 0, namesv); |
|
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291 | av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type])); |
|
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292 | av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode)); |
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293 | |
|
|
294 | av_store (av, i, newRV_noinc ((SV *)avent)); |
|
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295 | } |
|
|
296 | else |
225 | av_store (av, i, sv); |
297 | av_store (av, i, namesv); |
|
|
298 | |
|
|
299 | ++ent; |
|
|
300 | } |
|
|
301 | else |
|
|
302 | { |
|
|
303 | SV *name = newSVpv (names, 0); |
|
|
304 | av_store (av, i, name); |
226 | buf += SvCUR (sv) + 1; |
305 | names += SvCUR (name) + 1; |
|
|
306 | } |
227 | } |
307 | } |
228 | |
308 | |
229 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
309 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
230 | } |
310 | } |
231 | |
311 | |
232 | PUSHs (rv); |
312 | PUSHs (rv); |
|
|
313 | |
|
|
314 | if (req->int1 & EIO_READDIR_CUSTOM1) |
|
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315 | XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); |
233 | } |
316 | } |
234 | break; |
317 | break; |
235 | |
318 | |
236 | case EIO_OPEN: |
319 | case EIO_OPEN: |
237 | { |
320 | { |
… | |
… | |
243 | GV *gv = (GV *)sv_newmortal (); |
326 | GV *gv = (GV *)sv_newmortal (); |
244 | int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); |
327 | int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); |
245 | char sym [64]; |
328 | char sym [64]; |
246 | int symlen; |
329 | int symlen; |
247 | |
330 | |
248 | symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result); |
331 | symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); |
249 | gv_init (gv, stash, sym, symlen, 0); |
332 | gv_init (gv, aio_stash, sym, symlen, 0); |
250 | |
333 | |
251 | symlen = snprintf ( |
334 | symlen = snprintf ( |
252 | sym, |
335 | sym, |
253 | sizeof (sym), |
336 | sizeof (sym), |
254 | "%s&=%d", |
337 | "%s&=%d", |
255 | flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<", |
338 | flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<", |
256 | req->result |
339 | (int)req->result |
257 | ); |
340 | ); |
258 | |
341 | |
259 | if (do_open (gv, sym, symlen, 0, 0, 0, 0)) |
342 | if (do_open (gv, sym, symlen, 0, 0, 0, 0)) |
260 | fh = (SV *)gv; |
343 | fh = (SV *)gv; |
261 | } |
344 | } |
… | |
… | |
295 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
378 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
296 | PUSHs (sv_2mortal (newSViv (req->result))); |
379 | PUSHs (sv_2mortal (newSViv (req->result))); |
297 | break; |
380 | break; |
298 | |
381 | |
299 | case EIO_READ: |
382 | case EIO_READ: |
|
|
383 | { |
300 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
384 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
301 | *SvEND (req->sv2) = 0; |
385 | *SvEND (req->sv2) = 0; |
|
|
386 | SvPOK_only (req->sv2); |
|
|
387 | SvSETMAGIC (req->sv2); |
302 | PUSHs (sv_2mortal (newSViv (req->result))); |
388 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
389 | } |
303 | break; |
390 | break; |
304 | |
391 | |
305 | case EIO_DUP2: |
392 | case EIO_DUP2: |
306 | if (req->result > 0) |
393 | if (req->result > 0) |
307 | req->result = 0; |
394 | req->result = 0; |
… | |
… | |
353 | grp->sv2 = 0; |
440 | grp->sv2 = 0; |
354 | |
441 | |
355 | eio_grp_cancel (grp); |
442 | eio_grp_cancel (grp); |
356 | } |
443 | } |
357 | |
444 | |
358 | #ifdef USE_SOCKETS_AS_HANDLES |
|
|
359 | # define TO_SOCKET(x) (win32_get_osfhandle (x)) |
|
|
360 | #else |
|
|
361 | # define TO_SOCKET(x) (x) |
|
|
362 | #endif |
|
|
363 | |
|
|
364 | static void |
445 | static void |
365 | create_respipe (void) |
446 | create_respipe (void) |
366 | { |
447 | { |
367 | int old_readfd = respipe [0]; |
|
|
368 | |
|
|
369 | if (respipe [1] >= 0) |
|
|
370 | respipe_close (TO_SOCKET (respipe [1])); |
|
|
371 | |
|
|
372 | #ifdef _WIN32 |
|
|
373 | if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe)) |
|
|
374 | #else |
|
|
375 | if (pipe (respipe)) |
448 | if (s_epipe_renew (&respipe)) |
376 | #endif |
|
|
377 | croak ("unable to initialize result pipe"); |
449 | croak ("IO::AIO: unable to initialize result pipe"); |
378 | |
|
|
379 | if (old_readfd >= 0) |
|
|
380 | { |
|
|
381 | if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0) |
|
|
382 | croak ("unable to initialize result pipe(2)"); |
|
|
383 | |
|
|
384 | respipe_close (respipe [0]); |
|
|
385 | respipe [0] = old_readfd; |
|
|
386 | } |
|
|
387 | |
|
|
388 | #ifdef _WIN32 |
|
|
389 | int arg = 1; |
|
|
390 | if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg) |
|
|
391 | || ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg)) |
|
|
392 | #else |
|
|
393 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK) |
|
|
394 | || fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
|
|
395 | #endif |
|
|
396 | croak ("unable to initialize result pipe(3)"); |
|
|
397 | |
|
|
398 | respipe_osf [0] = TO_SOCKET (respipe [0]); |
|
|
399 | respipe_osf [1] = TO_SOCKET (respipe [1]); |
|
|
400 | } |
450 | } |
401 | |
451 | |
402 | static void poll_wait (void) |
452 | static void poll_wait (void) |
403 | { |
453 | { |
404 | fd_set rfd; |
|
|
405 | |
|
|
406 | while (eio_nreqs ()) |
454 | while (eio_nreqs ()) |
407 | { |
455 | { |
408 | int size; |
456 | int size; |
409 | |
457 | |
410 | X_LOCK (reslock); |
458 | X_LOCK (reslock); |
… | |
… | |
412 | X_UNLOCK (reslock); |
460 | X_UNLOCK (reslock); |
413 | |
461 | |
414 | if (size) |
462 | if (size) |
415 | return; |
463 | return; |
416 | |
464 | |
417 | maybe_start_thread (); |
465 | etp_maybe_start_thread (); |
418 | |
466 | |
419 | FD_ZERO (&rfd); |
467 | s_epipe_wait (&respipe); |
420 | FD_SET (respipe [0], &rfd); |
|
|
421 | |
|
|
422 | PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0); |
|
|
423 | } |
468 | } |
424 | } |
469 | } |
425 | |
470 | |
426 | static int poll_cb (void) |
471 | static int poll_cb (void) |
427 | { |
472 | { |
428 | int res; |
473 | for (;;) |
429 | |
|
|
430 | do |
|
|
431 | { |
474 | { |
432 | res = eio_poll (); |
475 | int res = eio_poll (); |
433 | |
476 | |
434 | if (res > 0) |
477 | if (res > 0) |
435 | croak (0); |
478 | croak (0); |
|
|
479 | |
|
|
480 | if (!max_outstanding || max_outstanding > eio_nreqs ()) |
|
|
481 | return res; |
|
|
482 | |
|
|
483 | poll_wait (); |
436 | } |
484 | } |
437 | while (max_outstanding && max_outstanding <= eio_nreqs ()); |
|
|
438 | |
|
|
439 | return res; |
|
|
440 | } |
485 | } |
441 | |
486 | |
442 | static void atfork_child (void) |
487 | static void atfork_child (void) |
443 | { |
488 | { |
444 | create_respipe (); |
489 | create_respipe (); |
445 | } |
490 | } |
446 | |
491 | |
|
|
492 | static SV * |
|
|
493 | get_cb (SV *cb_sv) |
|
|
494 | { |
|
|
495 | SvGETMAGIC (cb_sv); |
|
|
496 | return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; |
|
|
497 | } |
|
|
498 | |
447 | #define dREQ \ |
499 | #define dREQ \ |
|
|
500 | SV *cb_cv; \ |
448 | aio_req req; \ |
501 | aio_req req; \ |
449 | int req_pri = next_pri; \ |
502 | int req_pri = next_pri; \ |
450 | next_pri = EIO_PRI_DEFAULT; \ |
503 | next_pri = EIO_PRI_DEFAULT; \ |
451 | \ |
504 | \ |
452 | if (SvOK (callback) && !SvROK (callback)) \ |
505 | cb_cv = get_cb (callback); \ |
453 | croak ("callback must be undef or of reference type"); \ |
|
|
454 | \ |
506 | \ |
455 | Newz (0, req, 1, eio_req); \ |
507 | Newz (0, req, 1, eio_req); \ |
456 | if (!req) \ |
508 | if (!req) \ |
457 | croak ("out of memory during eio_req allocation"); \ |
509 | croak ("out of memory during eio_req allocation"); \ |
458 | \ |
510 | \ |
459 | req->callback = newSVsv (callback); \ |
511 | req->callback = SvREFCNT_inc (cb_cv); \ |
460 | req->pri = req_pri |
512 | req->pri = req_pri |
461 | |
513 | |
462 | #define REQ_SEND \ |
514 | #define REQ_SEND \ |
|
|
515 | PUTBACK; \ |
463 | req_submit (req); \ |
516 | req_submit (req); \ |
|
|
517 | SPAGAIN; \ |
464 | \ |
518 | \ |
465 | if (GIMME_V != G_VOID) \ |
519 | if (GIMME_V != G_VOID) \ |
466 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
520 | XPUSHs (req_sv (req, aio_req_stash)); |
467 | |
521 | |
468 | MODULE = IO::AIO PACKAGE = IO::AIO |
522 | MODULE = IO::AIO PACKAGE = IO::AIO |
469 | |
523 | |
470 | PROTOTYPES: ENABLE |
524 | PROTOTYPES: ENABLE |
471 | |
525 | |
472 | BOOT: |
526 | BOOT: |
473 | { |
527 | { |
474 | stash = gv_stashpv ("IO::AIO", 1); |
528 | static const struct { |
475 | |
529 | const char *name; |
476 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
530 | IV iv; |
477 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
531 | } *civ, const_iv[] = { |
478 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
532 | # define const_iv(name, value) { # name, (IV) value }, |
479 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
533 | # define const_eio(name) { # name, (IV) EIO_ ## name }, |
480 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
534 | const_iv (EXDEV , EXDEV) |
|
|
535 | const_iv (ENOSYS , ENOSYS) |
|
|
536 | const_iv (O_RDONLY, O_RDONLY) |
|
|
537 | const_iv (O_WRONLY, O_WRONLY) |
|
|
538 | const_iv (O_CREAT , O_CREAT) |
|
|
539 | const_iv (O_TRUNC , O_TRUNC) |
481 | #ifndef _WIN32 |
540 | #ifndef _WIN32 |
482 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
541 | const_iv (S_IFIFO , S_IFIFO) |
483 | #endif |
542 | #endif |
|
|
543 | const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) |
|
|
544 | const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) |
|
|
545 | const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) |
|
|
546 | const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) |
|
|
547 | const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) |
|
|
548 | const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED) |
484 | |
549 | |
|
|
550 | const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) |
|
|
551 | const_eio (SYNC_FILE_RANGE_WRITE) |
|
|
552 | const_eio (SYNC_FILE_RANGE_WAIT_AFTER) |
|
|
553 | |
|
|
554 | const_eio (READDIR_DENTS) |
|
|
555 | const_eio (READDIR_DIRS_FIRST) |
|
|
556 | const_eio (READDIR_STAT_ORDER) |
|
|
557 | const_eio (READDIR_FOUND_UNKNOWN) |
|
|
558 | |
|
|
559 | const_eio (DT_UNKNOWN) |
|
|
560 | const_eio (DT_FIFO) |
|
|
561 | const_eio (DT_CHR) |
|
|
562 | const_eio (DT_DIR) |
|
|
563 | const_eio (DT_BLK) |
|
|
564 | const_eio (DT_REG) |
|
|
565 | const_eio (DT_LNK) |
|
|
566 | const_eio (DT_SOCK) |
|
|
567 | const_eio (DT_WHT) |
|
|
568 | }; |
|
|
569 | |
|
|
570 | aio_stash = gv_stashpv ("IO::AIO" , 1); |
|
|
571 | aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); |
|
|
572 | aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); |
|
|
573 | |
|
|
574 | for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) |
|
|
575 | newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); |
|
|
576 | |
485 | create_respipe (); |
577 | create_respipe (); |
486 | |
578 | |
487 | if (eio_init (want_poll, done_poll) < 0) |
579 | if (eio_init (want_poll, done_poll) < 0) |
488 | croak ("IO::AIO: unable to initialise eio library"); |
580 | croak ("IO::AIO: unable to initialise eio library"); |
489 | |
581 | |
490 | /* atfork child called in fifo order, so before eio's handler */ |
582 | /* atfork child called in fifo order, so before eio's handler */ |
491 | X_THREAD_ATFORK (0, 0, atfork_child); |
583 | X_THREAD_ATFORK (0, 0, atfork_child); |
492 | } |
584 | } |
493 | |
585 | |
494 | void |
586 | void |
495 | max_poll_reqs (int nreqs) |
587 | max_poll_reqs (int nreqs) |
496 | PROTOTYPE: $ |
588 | PROTOTYPE: $ |
… | |
… | |
549 | ALIAS: |
641 | ALIAS: |
550 | aio_fsync = EIO_FSYNC |
642 | aio_fsync = EIO_FSYNC |
551 | aio_fdatasync = EIO_FDATASYNC |
643 | aio_fdatasync = EIO_FDATASYNC |
552 | PPCODE: |
644 | PPCODE: |
553 | { |
645 | { |
|
|
646 | int fd = s_fileno_croak (fh, 0); |
554 | dREQ; |
647 | dREQ; |
555 | |
648 | |
556 | req->type = ix; |
649 | req->type = ix; |
557 | req->sv1 = newSVsv (fh); |
650 | req->sv1 = newSVsv (fh); |
558 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
651 | req->int1 = fd; |
|
|
652 | |
|
|
653 | REQ_SEND (req); |
|
|
654 | } |
|
|
655 | |
|
|
656 | void |
|
|
657 | aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) |
|
|
658 | PROTOTYPE: $$$$;$ |
|
|
659 | PPCODE: |
|
|
660 | { |
|
|
661 | int fd = s_fileno_croak (fh, 0); |
|
|
662 | dREQ; |
|
|
663 | |
|
|
664 | req->type = EIO_SYNC_FILE_RANGE; |
|
|
665 | req->sv1 = newSVsv (fh); |
|
|
666 | req->int1 = fd; |
|
|
667 | req->offs = offset; |
|
|
668 | req->size = nbytes; |
|
|
669 | req->int2 = flags; |
559 | |
670 | |
560 | REQ_SEND (req); |
671 | REQ_SEND (req); |
561 | } |
672 | } |
562 | |
673 | |
563 | void |
674 | void |
564 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
675 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
565 | PROTOTYPE: $;$ |
676 | PROTOTYPE: $;$ |
566 | PPCODE: |
677 | PPCODE: |
567 | { |
678 | { |
568 | static int close_pipe = -1; /* dummy fd to close fds via dup2 */ |
679 | static int close_pipe = -1; /* dummy fd to close fds via dup2 */ |
|
|
680 | int fd = s_fileno_croak (fh, 0); |
569 | dREQ; |
681 | dREQ; |
570 | |
682 | |
571 | if (close_pipe < 0) |
683 | if (close_pipe < 0) |
572 | { |
684 | { |
573 | int pipefd [2]; |
685 | int pipefd [2]; |
… | |
… | |
581 | } |
693 | } |
582 | |
694 | |
583 | req->type = EIO_DUP2; |
695 | req->type = EIO_DUP2; |
584 | req->int1 = close_pipe; |
696 | req->int1 = close_pipe; |
585 | req->sv2 = newSVsv (fh); |
697 | req->sv2 = newSVsv (fh); |
586 | req->int2 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
698 | req->int2 = fd; |
587 | |
699 | |
588 | REQ_SEND (req); |
700 | REQ_SEND (req); |
589 | } |
701 | } |
590 | |
702 | |
591 | void |
703 | void |
… | |
… | |
595 | aio_write = EIO_WRITE |
707 | aio_write = EIO_WRITE |
596 | PROTOTYPE: $$$$$;$ |
708 | PROTOTYPE: $$$$$;$ |
597 | PPCODE: |
709 | PPCODE: |
598 | { |
710 | { |
599 | STRLEN svlen; |
711 | STRLEN svlen; |
|
|
712 | int fd = s_fileno_croak (fh, ix == EIO_WRITE); |
600 | char *svptr = SvPVbyte (data, svlen); |
713 | char *svptr = SvPVbyte (data, svlen); |
601 | UV len = SvUV (length); |
714 | UV len = SvUV (length); |
602 | |
|
|
603 | SvUPGRADE (data, SVt_PV); |
|
|
604 | SvPOK_on (data); |
|
|
605 | |
715 | |
606 | if (dataoffset < 0) |
716 | if (dataoffset < 0) |
607 | dataoffset += svlen; |
717 | dataoffset += svlen; |
608 | |
718 | |
609 | if (dataoffset < 0 || dataoffset > svlen) |
719 | if (dataoffset < 0 || dataoffset > svlen) |
… | |
… | |
615 | if (!SvOK (length) || len + dataoffset > svlen) |
725 | if (!SvOK (length) || len + dataoffset > svlen) |
616 | len = svlen - dataoffset; |
726 | len = svlen - dataoffset; |
617 | } |
727 | } |
618 | else |
728 | else |
619 | { |
729 | { |
620 | /* read: grow scalar as necessary */ |
730 | /* read: check type and grow scalar as necessary */ |
|
|
731 | SvUPGRADE (data, SVt_PV); |
621 | svptr = SvGROW (data, len + dataoffset + 1); |
732 | svptr = SvGROW (data, len + dataoffset + 1); |
622 | } |
733 | } |
623 | |
|
|
624 | if (len < 0) |
|
|
625 | croak ("length must not be negative"); |
|
|
626 | |
734 | |
627 | { |
735 | { |
628 | dREQ; |
736 | dREQ; |
629 | |
737 | |
630 | req->type = ix; |
738 | req->type = ix; |
631 | req->sv1 = newSVsv (fh); |
739 | req->sv1 = newSVsv (fh); |
632 | req->int1 = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh)) |
740 | req->int1 = fd; |
633 | : IoOFP (sv_2io (fh))); |
|
|
634 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
741 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
635 | req->size = len; |
742 | req->size = len; |
636 | req->sv2 = SvREFCNT_inc (data); |
743 | req->sv2 = SvREFCNT_inc (data); |
637 | req->ptr2 = (char *)svptr + dataoffset; |
744 | req->ptr2 = (char *)svptr + dataoffset; |
638 | req->stroffset = dataoffset; |
745 | req->stroffset = dataoffset; |
… | |
… | |
661 | |
768 | |
662 | REQ_SEND; |
769 | REQ_SEND; |
663 | } |
770 | } |
664 | |
771 | |
665 | void |
772 | void |
666 | aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV length, SV *callback=&PL_sv_undef) |
773 | aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) |
667 | PROTOTYPE: $$$$;$ |
774 | PROTOTYPE: $$$$;$ |
668 | PPCODE: |
775 | PPCODE: |
669 | { |
776 | { |
|
|
777 | int ifd = s_fileno_croak (in_fh , 0); |
|
|
778 | int ofd = s_fileno_croak (out_fh, 1); |
670 | dREQ; |
779 | dREQ; |
671 | |
780 | |
672 | req->type = EIO_SENDFILE; |
781 | req->type = EIO_SENDFILE; |
673 | req->sv1 = newSVsv (out_fh); |
782 | req->sv1 = newSVsv (out_fh); |
674 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
783 | req->int1 = ofd; |
675 | req->sv2 = newSVsv (in_fh); |
784 | req->sv2 = newSVsv (in_fh); |
676 | req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
785 | req->int2 = ifd; |
677 | req->offs = SvVAL64 (in_offset); |
786 | req->offs = in_offset; |
678 | req->size = length; |
787 | req->size = length; |
679 | |
788 | |
680 | REQ_SEND; |
789 | REQ_SEND; |
681 | } |
790 | } |
682 | |
791 | |
683 | void |
792 | void |
684 | aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef) |
793 | aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) |
685 | PROTOTYPE: $$$;$ |
794 | PROTOTYPE: $$$;$ |
686 | PPCODE: |
795 | PPCODE: |
687 | { |
796 | { |
|
|
797 | int fd = s_fileno_croak (fh, 0); |
688 | dREQ; |
798 | dREQ; |
689 | |
799 | |
690 | req->type = EIO_READAHEAD; |
800 | req->type = EIO_READAHEAD; |
691 | req->sv1 = newSVsv (fh); |
801 | req->sv1 = newSVsv (fh); |
692 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
802 | req->int1 = fd; |
693 | req->offs = SvVAL64 (offset); |
803 | req->offs = offset; |
694 | req->size = length; |
804 | req->size = length; |
695 | |
805 | |
696 | REQ_SEND; |
806 | REQ_SEND; |
697 | } |
807 | } |
698 | |
808 | |
… | |
… | |
814 | req->type = EIO_FCHOWN; |
924 | req->type = EIO_FCHOWN; |
815 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
925 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
816 | } |
926 | } |
817 | |
927 | |
818 | REQ_SEND; |
928 | REQ_SEND; |
|
|
929 | } |
|
|
930 | |
|
|
931 | void |
|
|
932 | aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) |
|
|
933 | PPCODE: |
|
|
934 | { |
|
|
935 | dREQ; |
|
|
936 | |
|
|
937 | req->type = EIO_READDIR; |
|
|
938 | req->sv1 = newSVsv (pathname); |
|
|
939 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
940 | req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; |
|
|
941 | |
|
|
942 | if (flags & EIO_READDIR_DENTS) |
|
|
943 | req->int1 |= EIO_READDIR_CUSTOM2; |
|
|
944 | |
|
|
945 | REQ_SEND; |
819 | } |
946 | } |
820 | |
947 | |
821 | void |
948 | void |
822 | aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) |
949 | aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) |
823 | ALIAS: |
950 | ALIAS: |
… | |
… | |
888 | { |
1015 | { |
889 | dREQ; |
1016 | dREQ; |
890 | |
1017 | |
891 | req->type = EIO_GROUP; |
1018 | req->type = EIO_GROUP; |
892 | |
1019 | |
893 | eio_submit (req); |
1020 | req_submit (req); |
894 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1021 | XPUSHs (req_sv (req, aio_grp_stash)); |
895 | } |
1022 | } |
896 | |
1023 | |
897 | void |
1024 | void |
898 | aio_nop (SV *callback=&PL_sv_undef) |
1025 | aio_nop (SV *callback=&PL_sv_undef) |
899 | ALIAS: |
1026 | ALIAS: |
… | |
… | |
951 | |
1078 | |
952 | int |
1079 | int |
953 | poll_fileno() |
1080 | poll_fileno() |
954 | PROTOTYPE: |
1081 | PROTOTYPE: |
955 | CODE: |
1082 | CODE: |
956 | RETVAL = respipe [0]; |
1083 | RETVAL = s_epipe_fd (&respipe); |
957 | OUTPUT: |
1084 | OUTPUT: |
958 | RETVAL |
1085 | RETVAL |
959 | |
1086 | |
960 | int |
1087 | int |
961 | poll_cb(...) |
1088 | poll_cb(...) |
… | |
… | |
1001 | CODE: |
1128 | CODE: |
1002 | RETVAL = eio_nthreads (); |
1129 | RETVAL = eio_nthreads (); |
1003 | OUTPUT: |
1130 | OUTPUT: |
1004 | RETVAL |
1131 | RETVAL |
1005 | |
1132 | |
|
|
1133 | int |
|
|
1134 | fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) |
|
|
1135 | PROTOTYPE: $$$$ |
|
|
1136 | CODE: |
|
|
1137 | #if _XOPEN_SOURCE >= 600 && !NO_FADVISE |
|
|
1138 | RETVAL = posix_fadvise (fh, offset, length, advice); |
|
|
1139 | #else |
|
|
1140 | RETVAL = errno = ENOSYS; |
|
|
1141 | #endif |
|
|
1142 | OUTPUT: |
|
|
1143 | RETVAL |
|
|
1144 | |
|
|
1145 | ssize_t |
|
|
1146 | sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) |
|
|
1147 | PROTOTYPE: $$$$ |
|
|
1148 | CODE: |
|
|
1149 | eio_sendfile_sync (ofh, ifh, offset, count); |
|
|
1150 | |
1006 | void _on_next_submit (SV *cb) |
1151 | void _on_next_submit (SV *cb) |
1007 | CODE: |
1152 | CODE: |
1008 | SvREFCNT_dec (on_next_submit); |
1153 | SvREFCNT_dec (on_next_submit); |
1009 | on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
1154 | on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
1010 | |
1155 | |
… | |
… | |
1017 | CODE: |
1162 | CODE: |
1018 | eio_cancel (req); |
1163 | eio_cancel (req); |
1019 | |
1164 | |
1020 | void |
1165 | void |
1021 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
1166 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
1022 | CODE: |
1167 | PPCODE: |
|
|
1168 | { |
|
|
1169 | if (GIMME_V != G_VOID) |
|
|
1170 | XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); |
|
|
1171 | |
|
|
1172 | if (items > 1) |
|
|
1173 | { |
|
|
1174 | SV *cb_cv =get_cb (callback); |
|
|
1175 | |
1023 | SvREFCNT_dec (req->callback); |
1176 | SvREFCNT_dec (req->callback); |
1024 | req->callback = newSVsv (callback); |
1177 | req->callback = SvREFCNT_inc (cb_cv); |
|
|
1178 | } |
|
|
1179 | } |
1025 | |
1180 | |
1026 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1181 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1027 | |
1182 | |
1028 | void |
1183 | void |
1029 | add (aio_req grp, ...) |
1184 | add (aio_req grp, ...) |
… | |
… | |
1061 | AV *av; |
1216 | AV *av; |
1062 | |
1217 | |
1063 | grp->errorno = errno; |
1218 | grp->errorno = errno; |
1064 | |
1219 | |
1065 | av = newAV (); |
1220 | av = newAV (); |
|
|
1221 | av_extend (av, items - 1); |
1066 | |
1222 | |
1067 | for (i = 1; i < items; ++i ) |
1223 | for (i = 1; i < items; ++i ) |
1068 | av_push (av, newSVsv (ST (i))); |
1224 | av_push (av, newSVsv (ST (i))); |
1069 | |
1225 | |
1070 | SvREFCNT_dec (grp->sv1); |
1226 | SvREFCNT_dec (grp->sv1); |
… | |
… | |
1084 | void |
1240 | void |
1085 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1241 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1086 | CODE: |
1242 | CODE: |
1087 | { |
1243 | { |
1088 | SvREFCNT_dec (grp->sv2); |
1244 | SvREFCNT_dec (grp->sv2); |
1089 | grp->sv2 = newSVsv (callback); |
1245 | grp->sv2 = newSVsv (callback); |
|
|
1246 | grp->feed = aio_grp_feed; |
1090 | |
1247 | |
1091 | if (grp->int2 <= 0) |
1248 | if (grp->int2 <= 0) |
1092 | grp->int2 = 2; |
1249 | grp->int2 = 2; |
1093 | |
1250 | |
1094 | eio_grp_limit (grp, grp->int2); |
1251 | eio_grp_limit (grp, grp->int2); |