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1 | #if __linux |
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2 | # define _GNU_SOURCE |
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3 | #endif |
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4 | |
1 | #define _REENTRANT 1 |
5 | #define _REENTRANT 1 |
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6 | |
2 | #include <errno.h> |
7 | #include <errno.h> |
3 | |
8 | |
4 | #include "EXTERN.h" |
9 | #include "EXTERN.h" |
5 | #include "perl.h" |
10 | #include "perl.h" |
6 | #include "XSUB.h" |
11 | #include "XSUB.h" |
… | |
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41 | # define NAME_MAX 4096 |
46 | # define NAME_MAX 4096 |
42 | #endif |
47 | #endif |
43 | |
48 | |
44 | #if __ia64 |
49 | #if __ia64 |
45 | # define STACKSIZE 65536 |
50 | # define STACKSIZE 65536 |
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51 | #elif __i386 || __x86_64 /* 16k is unreasonably high :( */ |
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52 | # define STACKSIZE PTHREAD_STACK_MIN |
46 | #else |
53 | #else |
47 | # define STACKSIZE 8192 |
54 | # define STACKSIZE 16384 |
48 | #endif |
55 | #endif |
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56 | |
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57 | /* buffer size for various temporary buffers */ |
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58 | #define AIO_BUFSIZE 65536 |
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59 | |
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60 | #define dBUF \ |
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61 | char *aio_buf = malloc (AIO_BUFSIZE); \ |
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62 | if (!aio_buf) \ |
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63 | return -1; |
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64 | |
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65 | #define fBUF free (aio_buf) |
49 | |
66 | |
50 | enum { |
67 | enum { |
51 | REQ_QUIT, |
68 | REQ_QUIT, |
52 | REQ_OPEN, REQ_CLOSE, |
69 | REQ_OPEN, REQ_CLOSE, |
53 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
70 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
… | |
… | |
55 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
72 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
56 | REQ_FSYNC, REQ_FDATASYNC, |
73 | REQ_FSYNC, REQ_FDATASYNC, |
57 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
74 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
58 | REQ_READDIR, |
75 | REQ_READDIR, |
59 | REQ_LINK, REQ_SYMLINK, |
76 | REQ_LINK, REQ_SYMLINK, |
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77 | REQ_GROUP, REQ_NOP, |
60 | REQ_SLEEP, |
78 | REQ_SLEEP, |
61 | REQ_GROUP, |
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62 | }; |
79 | }; |
63 | |
80 | |
64 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
81 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
65 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
82 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
66 | |
83 | |
67 | typedef struct aio_cb |
84 | typedef struct aio_cb |
68 | { |
85 | { |
69 | struct aio_cb *volatile next; |
86 | struct aio_cb *volatile next; |
70 | |
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71 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
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72 | |
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73 | SV *self; /* the perl counterpart of this request, if any */ |
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74 | |
87 | |
75 | SV *data, *callback; |
88 | SV *data, *callback; |
76 | SV *fh, *fh2; |
89 | SV *fh, *fh2; |
77 | void *dataptr, *data2ptr; |
90 | void *dataptr, *data2ptr; |
78 | Stat_t *statdata; |
91 | Stat_t *statdata; |
79 | off_t offset; |
92 | off_t offset; |
80 | size_t length; |
93 | size_t length; |
81 | ssize_t result; |
94 | ssize_t result; |
82 | |
95 | |
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96 | STRLEN dataoffset; |
83 | int type; |
97 | int type; |
84 | int fd, fd2; |
98 | int fd, fd2; |
85 | int errorno; |
99 | int errorno; |
86 | STRLEN dataoffset; |
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87 | mode_t mode; /* open */ |
100 | mode_t mode; /* open */ |
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101 | |
88 | unsigned char cancelled; |
102 | unsigned char flags; |
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103 | unsigned char pri; |
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104 | |
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105 | SV *self; /* the perl counterpart of this request, if any */ |
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106 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
89 | } aio_cb; |
107 | } aio_cb; |
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108 | |
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109 | enum { |
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110 | FLAG_CANCELLED = 0x01, |
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111 | }; |
90 | |
112 | |
91 | typedef aio_cb *aio_req; |
113 | typedef aio_cb *aio_req; |
92 | typedef aio_cb *aio_req_ornot; |
114 | typedef aio_cb *aio_req_ornot; |
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115 | |
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116 | enum { |
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117 | PRI_MIN = -4, |
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118 | PRI_MAX = 4, |
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119 | |
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120 | DEFAULT_PRI = 0, |
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121 | PRI_BIAS = -PRI_MIN, |
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122 | }; |
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123 | |
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124 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
93 | |
125 | |
94 | static int started, wanted; |
126 | static int started, wanted; |
95 | static volatile int nreqs; |
127 | static volatile int nreqs; |
96 | static int max_outstanding = 1<<30; |
128 | static int max_outstanding = 1<<30; |
97 | static int respipe [2]; |
129 | static int respipe [2]; |
98 | |
130 | |
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131 | #if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP) |
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132 | # define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP |
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133 | #else |
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134 | # define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
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135 | #endif |
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136 | |
99 | static pthread_mutex_t reslock = PTHREAD_MUTEX_INITIALIZER; |
137 | static pthread_mutex_t reslock = AIO_MUTEX_INIT; |
100 | static pthread_mutex_t reqlock = PTHREAD_MUTEX_INITIALIZER; |
138 | static pthread_mutex_t reqlock = AIO_MUTEX_INIT; |
101 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
139 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
102 | |
140 | |
103 | static volatile aio_req reqs, reqe; /* queue start, queue end */ |
141 | static volatile aio_req reqs, reqe; /* queue start, queue end */ |
104 | static volatile aio_req ress, rese; /* queue start, queue end */ |
142 | static volatile aio_req ress, rese; /* queue start, queue end */ |
105 | |
143 | |
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144 | static void req_invoke (aio_req req); |
106 | static void req_free (aio_req req); |
145 | static void req_free (aio_req req); |
107 | |
146 | |
108 | /* must be called at most once */ |
147 | /* must be called at most once */ |
109 | static SV *req_sv (aio_req req, const char *klass) |
148 | static SV *req_sv (aio_req req, const char *klass) |
110 | { |
149 | { |
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117 | return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); |
156 | return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); |
118 | } |
157 | } |
119 | |
158 | |
120 | static aio_req SvAIO_REQ (SV *sv) |
159 | static aio_req SvAIO_REQ (SV *sv) |
121 | { |
160 | { |
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161 | MAGIC *mg; |
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162 | |
122 | if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) |
163 | if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) |
123 | croak ("object of class " AIO_REQ_KLASS " expected"); |
164 | croak ("object of class " AIO_REQ_KLASS " expected"); |
124 | |
165 | |
125 | MAGIC *mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
166 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
126 | |
167 | |
127 | return mg ? (aio_req)mg->mg_ptr : 0; |
168 | return mg ? (aio_req)mg->mg_ptr : 0; |
128 | } |
169 | } |
129 | |
170 | |
130 | static void aio_grp_feed (aio_req grp) |
171 | static void aio_grp_feed (aio_req grp) |
131 | { |
172 | { |
132 | while (grp->length < grp->fd2) |
173 | while (grp->length < grp->fd2 && !(grp->flags & FLAG_CANCELLED)) |
133 | { |
174 | { |
134 | int old_len = grp->length; |
175 | int old_len = grp->length; |
135 | |
176 | |
136 | if (grp->fh2 && SvOK (grp->fh2)) |
177 | if (grp->fh2 && SvOK (grp->fh2)) |
137 | { |
178 | { |
… | |
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156 | break; |
197 | break; |
157 | } |
198 | } |
158 | } |
199 | } |
159 | } |
200 | } |
160 | |
201 | |
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202 | static void aio_grp_dec (aio_req grp) |
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203 | { |
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204 | --grp->length; |
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205 | |
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206 | /* call feeder, if applicable */ |
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207 | aio_grp_feed (grp); |
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208 | |
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209 | /* finish, if done */ |
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210 | if (!grp->length && grp->fd) |
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211 | { |
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212 | req_invoke (grp); |
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213 | req_free (grp); |
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214 | } |
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215 | } |
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216 | |
161 | static void poll_wait () |
217 | static void poll_wait () |
162 | { |
218 | { |
163 | if (nreqs && !ress) |
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164 | { |
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165 | fd_set rfd; |
219 | fd_set rfd; |
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220 | |
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221 | while (nreqs) |
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222 | { |
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223 | aio_req req; |
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224 | #if !(__i386 || __x86_64) /* safe without sempahore on this archs */ |
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225 | pthread_mutex_lock (&reslock); |
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226 | #endif |
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227 | req = ress; |
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228 | #if !(__i386 || __x86_64) /* safe without sempahore on this archs */ |
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229 | pthread_mutex_unlock (&reslock); |
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230 | #endif |
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231 | |
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232 | if (req) |
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233 | return; |
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234 | |
166 | FD_ZERO(&rfd); |
235 | FD_ZERO(&rfd); |
167 | FD_SET(respipe [0], &rfd); |
236 | FD_SET(respipe [0], &rfd); |
168 | |
237 | |
169 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
238 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
170 | } |
239 | } |
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173 | static void req_invoke (aio_req req) |
242 | static void req_invoke (aio_req req) |
174 | { |
243 | { |
175 | dSP; |
244 | dSP; |
176 | int errorno = errno; |
245 | int errorno = errno; |
177 | |
246 | |
178 | if (req->cancelled || !SvOK (req->callback)) |
247 | if (req->flags & FLAG_CANCELLED || !SvOK (req->callback)) |
179 | return; |
248 | return; |
180 | |
249 | |
181 | errno = req->errorno; |
250 | errno = req->errorno; |
182 | |
251 | |
183 | ENTER; |
252 | ENTER; |
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241 | for (i = 0; i <= AvFILL (av); ++i) |
310 | for (i = 0; i <= AvFILL (av); ++i) |
242 | PUSHs (*av_fetch (av, i, 0)); |
311 | PUSHs (*av_fetch (av, i, 0)); |
243 | } |
312 | } |
244 | break; |
313 | break; |
245 | |
314 | |
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315 | case REQ_NOP: |
246 | case REQ_SLEEP: |
316 | case REQ_SLEEP: |
247 | break; |
317 | break; |
248 | |
318 | |
249 | default: |
319 | default: |
250 | PUSHs (sv_2mortal (newSViv (req->result))); |
320 | PUSHs (sv_2mortal (newSViv (req->result))); |
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254 | |
324 | |
255 | PUTBACK; |
325 | PUTBACK; |
256 | call_sv (req->callback, G_VOID | G_EVAL); |
326 | call_sv (req->callback, G_VOID | G_EVAL); |
257 | SPAGAIN; |
327 | SPAGAIN; |
258 | |
328 | |
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329 | FREETMPS; |
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330 | LEAVE; |
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331 | |
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332 | errno = errorno; |
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333 | |
259 | if (SvTRUE (ERRSV)) |
334 | if (SvTRUE (ERRSV)) |
260 | { |
335 | { |
261 | req_free (req); |
336 | req_free (req); |
262 | croak (0); |
337 | croak (0); |
263 | } |
338 | } |
264 | |
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265 | FREETMPS; |
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266 | LEAVE; |
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267 | |
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268 | errno = errorno; |
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269 | } |
339 | } |
270 | |
340 | |
271 | static void req_free (aio_req req) |
341 | static void req_free (aio_req req) |
272 | { |
342 | { |
273 | if (req->grp) |
343 | if (req->grp) |
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279 | if (req->grp_prev) req->grp_prev->grp_next = req->grp_next; |
349 | if (req->grp_prev) req->grp_prev->grp_next = req->grp_next; |
280 | |
350 | |
281 | if (grp->grp_first == req) |
351 | if (grp->grp_first == req) |
282 | grp->grp_first = req->grp_next; |
352 | grp->grp_first = req->grp_next; |
283 | |
353 | |
284 | --grp->length; |
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285 | |
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286 | /* call feeder, if applicable */ |
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287 | aio_grp_feed (grp); |
354 | aio_grp_dec (grp); |
288 | |
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289 | /* finish, if done */ |
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290 | if (!grp->length && grp->fd) |
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291 | { |
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292 | req_invoke (grp); |
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293 | req_free (grp); |
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294 | } |
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295 | } |
355 | } |
296 | |
356 | |
297 | if (req->self) |
357 | if (req->self) |
298 | { |
358 | { |
299 | sv_unmagic (req->self, PERL_MAGIC_ext); |
359 | sv_unmagic (req->self, PERL_MAGIC_ext); |
… | |
… | |
312 | Safefree (req); |
372 | Safefree (req); |
313 | } |
373 | } |
314 | |
374 | |
315 | static void req_cancel (aio_req req) |
375 | static void req_cancel (aio_req req) |
316 | { |
376 | { |
317 | req->cancelled = 1; |
377 | req->flags |= FLAG_CANCELLED; |
318 | |
378 | |
319 | if (req->type == REQ_GROUP) |
379 | if (req->type == REQ_GROUP) |
320 | { |
380 | { |
321 | aio_req sub; |
381 | aio_req sub; |
322 | |
382 | |
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355 | pthread_mutex_unlock (&reslock); |
415 | pthread_mutex_unlock (&reslock); |
356 | |
416 | |
357 | if (!req) |
417 | if (!req) |
358 | break; |
418 | break; |
359 | |
419 | |
360 | nreqs--; |
420 | --nreqs; |
361 | |
421 | |
362 | if (req->type == REQ_QUIT) |
422 | if (req->type == REQ_QUIT) |
363 | started--; |
423 | started--; |
364 | else if (req->type == REQ_GROUP && req->length) |
424 | else if (req->type == REQ_GROUP && req->length) |
365 | { |
425 | { |
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416 | static void req_send (aio_req req) |
476 | static void req_send (aio_req req) |
417 | { |
477 | { |
418 | while (started < wanted && nreqs >= started) |
478 | while (started < wanted && nreqs >= started) |
419 | start_thread (); |
479 | start_thread (); |
420 | |
480 | |
421 | nreqs++; |
481 | ++nreqs; |
422 | |
482 | |
423 | pthread_mutex_lock (&reqlock); |
483 | pthread_mutex_lock (&reqlock); |
424 | |
484 | |
425 | req->next = 0; |
485 | req->next = 0; |
426 | |
486 | |
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… | |
546 | #if !HAVE_READAHEAD |
606 | #if !HAVE_READAHEAD |
547 | # define readahead aio_readahead |
607 | # define readahead aio_readahead |
548 | |
608 | |
549 | static ssize_t readahead (int fd, off_t offset, size_t count) |
609 | static ssize_t readahead (int fd, off_t offset, size_t count) |
550 | { |
610 | { |
551 | char readahead_buf[4096]; |
611 | dBUF; |
552 | |
612 | |
553 | while (count > 0) |
613 | while (count > 0) |
554 | { |
614 | { |
555 | size_t len = count < sizeof (readahead_buf) ? count : sizeof (readahead_buf); |
615 | size_t len = count < AIO_BUFSIZE ? count : AIO_BUFSIZE; |
556 | |
616 | |
557 | pread (fd, readahead_buf, len, offset); |
617 | pread (fd, aio_buf, len, offset); |
558 | offset += len; |
618 | offset += len; |
559 | count -= len; |
619 | count -= len; |
560 | } |
620 | } |
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621 | |
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622 | fBUF; |
561 | |
623 | |
562 | errno = 0; |
624 | errno = 0; |
563 | } |
625 | } |
564 | #endif |
626 | #endif |
565 | |
627 | |
… | |
… | |
651 | #endif |
713 | #endif |
652 | ) |
714 | ) |
653 | ) |
715 | ) |
654 | { |
716 | { |
655 | /* emulate sendfile. this is a major pain in the ass */ |
717 | /* emulate sendfile. this is a major pain in the ass */ |
656 | char buf[4096]; |
718 | dBUF; |
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719 | |
657 | res = 0; |
720 | res = 0; |
658 | |
721 | |
659 | while (count) |
722 | while (count) |
660 | { |
723 | { |
661 | ssize_t cnt; |
724 | ssize_t cnt; |
662 | |
725 | |
663 | cnt = pread (ifd, buf, count > 4096 ? 4096 : count, offset); |
726 | cnt = pread (ifd, aio_buf, count > AIO_BUFSIZE ? AIO_BUFSIZE : count, offset); |
664 | |
727 | |
665 | if (cnt <= 0) |
728 | if (cnt <= 0) |
666 | { |
729 | { |
667 | if (cnt && !res) res = -1; |
730 | if (cnt && !res) res = -1; |
668 | break; |
731 | break; |
669 | } |
732 | } |
670 | |
733 | |
671 | cnt = write (ofd, buf, cnt); |
734 | cnt = write (ofd, aio_buf, cnt); |
672 | |
735 | |
673 | if (cnt <= 0) |
736 | if (cnt <= 0) |
674 | { |
737 | { |
675 | if (cnt && !res) res = -1; |
738 | if (cnt && !res) res = -1; |
676 | break; |
739 | break; |
… | |
… | |
678 | |
741 | |
679 | offset += cnt; |
742 | offset += cnt; |
680 | res += cnt; |
743 | res += cnt; |
681 | count -= cnt; |
744 | count -= cnt; |
682 | } |
745 | } |
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746 | |
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747 | fBUF; |
683 | } |
748 | } |
684 | |
749 | |
685 | return res; |
750 | return res; |
686 | } |
751 | } |
687 | |
752 | |
688 | /* read a full directory */ |
753 | /* read a full directory */ |
689 | static int scandir_ (const char *path, void **namesp) |
754 | static int scandir_ (const char *path, void **namesp) |
690 | { |
755 | { |
691 | DIR *dirp = opendir (path); |
756 | DIR *dirp; |
692 | union |
757 | union |
693 | { |
758 | { |
694 | struct dirent d; |
759 | struct dirent d; |
695 | char b [offsetof (struct dirent, d_name) + NAME_MAX + 1]; |
760 | char b [offsetof (struct dirent, d_name) + NAME_MAX + 1]; |
696 | } u; |
761 | } *u; |
697 | struct dirent *entp; |
762 | struct dirent *entp; |
698 | char *name, *names; |
763 | char *name, *names; |
699 | int memlen = 4096; |
764 | int memlen = 4096; |
700 | int memofs = 0; |
765 | int memofs = 0; |
701 | int res = 0; |
766 | int res = 0; |
702 | int errorno; |
767 | int errorno; |
703 | |
768 | |
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769 | dirp = opendir (path); |
704 | if (!dirp) |
770 | if (!dirp) |
705 | return -1; |
771 | return -1; |
706 | |
772 | |
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773 | u = malloc (sizeof (*u)); |
707 | names = malloc (memlen); |
774 | names = malloc (memlen); |
708 | |
775 | |
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776 | if (u && names) |
709 | for (;;) |
777 | for (;;) |
710 | { |
778 | { |
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779 | errno = 0; |
711 | errno = 0, readdir_r (dirp, &u.d, &entp); |
780 | readdir_r (dirp, &u->d, &entp); |
712 | |
781 | |
713 | if (!entp) |
782 | if (!entp) |
714 | break; |
783 | break; |
715 | |
784 | |
716 | name = entp->d_name; |
785 | name = entp->d_name; |
717 | |
786 | |
718 | if (name [0] != '.' || (name [1] && (name [1] != '.' || name [2]))) |
787 | if (name [0] != '.' || (name [1] && (name [1] != '.' || name [2]))) |
719 | { |
788 | { |
720 | int len = strlen (name) + 1; |
789 | int len = strlen (name) + 1; |
721 | |
790 | |
722 | res++; |
791 | res++; |
723 | |
792 | |
724 | while (memofs + len > memlen) |
793 | while (memofs + len > memlen) |
725 | { |
794 | { |
726 | memlen *= 2; |
795 | memlen *= 2; |
727 | names = realloc (names, memlen); |
796 | names = realloc (names, memlen); |
728 | if (!names) |
797 | if (!names) |
729 | break; |
798 | break; |
730 | } |
799 | } |
731 | |
800 | |
732 | memcpy (names + memofs, name, len); |
801 | memcpy (names + memofs, name, len); |
733 | memofs += len; |
802 | memofs += len; |
734 | } |
803 | } |
735 | } |
804 | } |
736 | |
805 | |
737 | errorno = errno; |
806 | errorno = errno; |
|
|
807 | free (u); |
738 | closedir (dirp); |
808 | closedir (dirp); |
739 | |
809 | |
740 | if (errorno) |
810 | if (errorno) |
741 | { |
811 | { |
742 | free (names); |
812 | free (names); |
… | |
… | |
776 | } |
846 | } |
777 | |
847 | |
778 | pthread_mutex_unlock (&reqlock); |
848 | pthread_mutex_unlock (&reqlock); |
779 | |
849 | |
780 | errno = 0; /* strictly unnecessary */ |
850 | errno = 0; /* strictly unnecessary */ |
|
|
851 | type = req->type; /* remember type for QUIT check */ |
781 | |
852 | |
782 | if (!req->cancelled) |
853 | if (!(req->flags & FLAG_CANCELLED)) |
783 | switch (req->type) |
854 | switch (type) |
784 | { |
855 | { |
785 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
856 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
786 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
857 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
787 | |
858 | |
788 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
859 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
… | |
… | |
812 | tv.tv_usec = req->fd2; |
883 | tv.tv_usec = req->fd2; |
813 | |
884 | |
814 | req->result = select (0, 0, 0, 0, &tv); |
885 | req->result = select (0, 0, 0, 0, &tv); |
815 | } |
886 | } |
816 | |
887 | |
|
|
888 | case REQ_GROUP: |
|
|
889 | case REQ_NOP: |
817 | case REQ_QUIT: |
890 | case REQ_QUIT: |
818 | break; |
891 | break; |
819 | |
892 | |
820 | default: |
893 | default: |
821 | req->result = ENOSYS; |
894 | req->result = ENOSYS; |
… | |
… | |
905 | atfork_parent (); |
978 | atfork_parent (); |
906 | } |
979 | } |
907 | |
980 | |
908 | #define dREQ \ |
981 | #define dREQ \ |
909 | aio_req req; \ |
982 | aio_req req; \ |
|
|
983 | int req_pri = next_pri; \ |
|
|
984 | next_pri = DEFAULT_PRI + PRI_BIAS; \ |
910 | \ |
985 | \ |
911 | if (SvOK (callback) && !SvROK (callback)) \ |
986 | if (SvOK (callback) && !SvROK (callback)) \ |
912 | croak ("callback must be undef or of reference type"); \ |
987 | croak ("callback must be undef or of reference type"); \ |
913 | \ |
988 | \ |
914 | Newz (0, req, 1, aio_cb); \ |
989 | Newz (0, req, 1, aio_cb); \ |
915 | if (!req) \ |
990 | if (!req) \ |
916 | croak ("out of memory during aio_req allocation"); \ |
991 | croak ("out of memory during aio_req allocation"); \ |
917 | \ |
992 | \ |
918 | req->callback = newSVsv (callback) |
993 | req->callback = newSVsv (callback); \ |
|
|
994 | req->pri = req_pri |
919 | |
995 | |
920 | #define REQ_SEND \ |
996 | #define REQ_SEND \ |
921 | req_send (req); \ |
997 | req_send (req); \ |
922 | \ |
998 | \ |
923 | if (GIMME_V != G_VOID) \ |
999 | if (GIMME_V != G_VOID) \ |
… | |
… | |
1198 | SV * callback |
1274 | SV * callback |
1199 | PROTOTYPE: ;$ |
1275 | PROTOTYPE: ;$ |
1200 | PPCODE: |
1276 | PPCODE: |
1201 | { |
1277 | { |
1202 | dREQ; |
1278 | dREQ; |
|
|
1279 | |
1203 | req->type = REQ_GROUP; |
1280 | req->type = REQ_GROUP; |
1204 | req_send (req); |
1281 | req_send (req); |
|
|
1282 | |
1205 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1283 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1206 | } |
1284 | } |
|
|
1285 | |
|
|
1286 | void |
|
|
1287 | aio_nop (callback=&PL_sv_undef) |
|
|
1288 | SV * callback |
|
|
1289 | PPCODE: |
|
|
1290 | { |
|
|
1291 | dREQ; |
|
|
1292 | |
|
|
1293 | req->type = REQ_NOP; |
|
|
1294 | |
|
|
1295 | REQ_SEND; |
|
|
1296 | } |
|
|
1297 | |
|
|
1298 | #if 0 |
|
|
1299 | |
|
|
1300 | void |
|
|
1301 | aio_pri (int pri = DEFAULT_PRI) |
|
|
1302 | CODE: |
|
|
1303 | if (pri < PRI_MIN) pri = PRI_MIN; |
|
|
1304 | if (pri > PRI_MAX) pri = PRI_MAX; |
|
|
1305 | next_pri = pri + PRI_BIAS; |
|
|
1306 | |
|
|
1307 | #endif |
1207 | |
1308 | |
1208 | void |
1309 | void |
1209 | flush () |
1310 | flush () |
1210 | PROTOTYPE: |
1311 | PROTOTYPE: |
1211 | CODE: |
1312 | CODE: |
… | |
… | |
1264 | cancel (aio_req_ornot req) |
1365 | cancel (aio_req_ornot req) |
1265 | PROTOTYPE: |
1366 | PROTOTYPE: |
1266 | CODE: |
1367 | CODE: |
1267 | req_cancel (req); |
1368 | req_cancel (req); |
1268 | |
1369 | |
|
|
1370 | void |
|
|
1371 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
|
|
1372 | CODE: |
|
|
1373 | SvREFCNT_dec (req->callback); |
|
|
1374 | req->callback = newSVsv (callback); |
|
|
1375 | |
1269 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1376 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1270 | |
1377 | |
1271 | void |
1378 | void |
1272 | add (aio_req grp, ...) |
1379 | add (aio_req grp, ...) |
1273 | PPCODE: |
1380 | PPCODE: |
1274 | { |
1381 | { |
1275 | int i; |
1382 | int i; |
|
|
1383 | aio_req req; |
1276 | |
1384 | |
1277 | if (grp->fd == 2) |
1385 | if (grp->fd == 2) |
1278 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1386 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1279 | |
1387 | |
1280 | for (i = 1; i < items; ++i ) |
1388 | for (i = 1; i < items; ++i ) |
1281 | { |
1389 | { |
1282 | if (GIMME_V != G_VOID) |
1390 | if (GIMME_V != G_VOID) |
1283 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
1391 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
1284 | |
1392 | |
1285 | aio_req req = SvAIO_REQ (ST (i)); |
1393 | req = SvAIO_REQ (ST (i)); |
1286 | |
1394 | |
1287 | if (req) |
1395 | if (req) |
1288 | { |
1396 | { |
1289 | ++grp->length; |
1397 | ++grp->length; |
1290 | req->grp = grp; |
1398 | req->grp = grp; |
… | |
… | |
1300 | } |
1408 | } |
1301 | } |
1409 | } |
1302 | |
1410 | |
1303 | void |
1411 | void |
1304 | result (aio_req grp, ...) |
1412 | result (aio_req grp, ...) |
1305 | CODE: |
1413 | CODE: |
1306 | { |
1414 | { |
1307 | int i; |
1415 | int i; |
1308 | AV *av = newAV (); |
1416 | AV *av = newAV (); |
1309 | |
1417 | |
1310 | for (i = 1; i < items; ++i ) |
1418 | for (i = 1; i < items; ++i ) |
1311 | av_push (av, newSVsv (ST (i))); |
1419 | av_push (av, newSVsv (ST (i))); |
1312 | |
1420 | |
1313 | SvREFCNT_dec (grp->data); |
1421 | SvREFCNT_dec (grp->data); |
1314 | grp->data = (SV *)av; |
1422 | grp->data = (SV *)av; |
1315 | } |
1423 | } |
1316 | |
1424 | |
1317 | void |
1425 | void |
1318 | feeder_limit (aio_req grp, int limit) |
1426 | feed_limit (aio_req grp, int limit) |
1319 | CODE: |
1427 | CODE: |
1320 | grp->fd2 = limit; |
1428 | grp->fd2 = limit; |
1321 | aio_grp_feed (grp); |
1429 | aio_grp_feed (grp); |
1322 | |
1430 | |
1323 | void |
1431 | void |
1324 | set_feeder (aio_req grp, SV *callback=&PL_sv_undef) |
1432 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1325 | CODE: |
1433 | CODE: |
1326 | { |
1434 | { |
1327 | SvREFCNT_dec (grp->fh2); |
1435 | SvREFCNT_dec (grp->fh2); |
1328 | grp->fh2 = newSVsv (callback); |
1436 | grp->fh2 = newSVsv (callback); |
1329 | |
1437 | |