1 | /* solaris */ |
1 | /* solaris */ |
2 | #define _POSIX_PTHREAD_SEMANTICS 1 |
2 | #define _POSIX_PTHREAD_SEMANTICS 1 |
3 | |
3 | |
4 | #if __linux |
4 | #if __linux && !defined(_GNU_SOURCE) |
5 | # define _GNU_SOURCE |
5 | # define _GNU_SOURCE |
6 | #endif |
6 | #endif |
7 | |
7 | |
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8 | /* just in case */ |
8 | #define _REENTRANT 1 |
9 | #define _REENTRANT 1 |
9 | |
10 | |
10 | #include <errno.h> |
11 | #include <errno.h> |
11 | |
12 | |
12 | #include "EXTERN.h" |
13 | #include "EXTERN.h" |
… | |
… | |
42 | # else |
43 | # else |
43 | # error sendfile support requested but not available |
44 | # error sendfile support requested but not available |
44 | # endif |
45 | # endif |
45 | #endif |
46 | #endif |
46 | |
47 | |
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48 | /* number of seconds after which idle threads exit */ |
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49 | #define IDLE_TIMEOUT 10 |
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50 | |
47 | /* used for struct dirent, AIX doesn't provide it */ |
51 | /* used for struct dirent, AIX doesn't provide it */ |
48 | #ifndef NAME_MAX |
52 | #ifndef NAME_MAX |
49 | # define NAME_MAX 4096 |
53 | # define NAME_MAX 4096 |
50 | #endif |
54 | #endif |
51 | |
55 | |
… | |
… | |
58 | # define STACKSIZE 65536 |
62 | # define STACKSIZE 65536 |
59 | #elif __i386 || __x86_64 /* 16k is unreasonably high :( */ |
63 | #elif __i386 || __x86_64 /* 16k is unreasonably high :( */ |
60 | # define STACKSIZE PTHREAD_STACK_MIN |
64 | # define STACKSIZE PTHREAD_STACK_MIN |
61 | #else |
65 | #else |
62 | # define STACKSIZE 16384 |
66 | # define STACKSIZE 16384 |
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67 | #endif |
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68 | |
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69 | /* wether word reads are potentially non-atomic. |
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70 | * this is conservatice, likely most arches this runs |
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71 | * on have atomic word read/writes. |
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72 | */ |
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73 | #ifndef WORDACCESS_UNSAFE |
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74 | # if __i386 || __x86_64 |
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75 | # define WORDACCESS_UNSAFE 0 |
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76 | # else |
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77 | # define WORDACCESS_UNSAFE 1 |
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78 | # endif |
63 | #endif |
79 | #endif |
64 | |
80 | |
65 | /* buffer size for various temporary buffers */ |
81 | /* buffer size for various temporary buffers */ |
66 | #define AIO_BUFSIZE 65536 |
82 | #define AIO_BUFSIZE 65536 |
67 | |
83 | |
… | |
… | |
79 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
95 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
80 | REQ_SENDFILE, |
96 | REQ_SENDFILE, |
81 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
97 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
82 | REQ_FSYNC, REQ_FDATASYNC, |
98 | REQ_FSYNC, REQ_FDATASYNC, |
83 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
99 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
84 | REQ_READDIR, |
100 | REQ_MKNOD, REQ_READDIR, |
85 | REQ_LINK, REQ_SYMLINK, |
101 | REQ_LINK, REQ_SYMLINK, REQ_READLINK, |
86 | REQ_GROUP, REQ_NOP, |
102 | REQ_GROUP, REQ_NOP, |
87 | REQ_BUSY, |
103 | REQ_BUSY, |
88 | }; |
104 | }; |
89 | |
105 | |
90 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
106 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
… | |
… | |
92 | |
108 | |
93 | typedef struct aio_cb |
109 | typedef struct aio_cb |
94 | { |
110 | { |
95 | struct aio_cb *volatile next; |
111 | struct aio_cb *volatile next; |
96 | |
112 | |
97 | SV *data, *callback; |
113 | SV *callback, *fh; |
98 | SV *fh, *fh2; |
114 | SV *sv1, *sv2; |
99 | void *dataptr, *data2ptr; |
115 | void *ptr1, *ptr2; |
100 | Stat_t *statdata; |
116 | Stat_t *statdata; |
101 | off_t offset; |
117 | off_t offs; |
102 | size_t length; |
118 | size_t size; |
103 | ssize_t result; |
119 | ssize_t result; |
104 | |
120 | |
105 | STRLEN dataoffset; |
121 | STRLEN stroffset; |
106 | int type; |
122 | int type; |
107 | int fd, fd2; |
123 | int int1, int2; |
108 | int errorno; |
124 | int errorno; |
109 | mode_t mode; /* open */ |
125 | mode_t mode; /* open */ |
110 | |
126 | |
111 | unsigned char flags; |
127 | unsigned char flags; |
112 | unsigned char pri; |
128 | unsigned char pri; |
… | |
… | |
114 | SV *self; /* the perl counterpart of this request, if any */ |
130 | SV *self; /* the perl counterpart of this request, if any */ |
115 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
131 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
116 | } aio_cb; |
132 | } aio_cb; |
117 | |
133 | |
118 | enum { |
134 | enum { |
119 | FLAG_CANCELLED = 0x01, |
135 | FLAG_CANCELLED = 0x01, |
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136 | FLAG_DATA_RO_OFF = 0x80, /* data was set readonly */ |
120 | }; |
137 | }; |
121 | |
138 | |
122 | typedef aio_cb *aio_req; |
139 | typedef aio_cb *aio_req; |
123 | typedef aio_cb *aio_req_ornot; |
140 | typedef aio_cb *aio_req_ornot; |
124 | |
141 | |
… | |
… | |
129 | DEFAULT_PRI = 0, |
146 | DEFAULT_PRI = 0, |
130 | PRI_BIAS = -PRI_MIN, |
147 | PRI_BIAS = -PRI_MIN, |
131 | NUM_PRI = PRI_MAX + PRI_BIAS + 1, |
148 | NUM_PRI = PRI_MAX + PRI_BIAS + 1, |
132 | }; |
149 | }; |
133 | |
150 | |
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151 | #define AIO_TICKS ((1000000 + 1023) >> 10) |
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152 | |
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153 | static unsigned int max_poll_time = 0; |
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154 | static unsigned int max_poll_reqs = 0; |
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155 | |
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156 | /* calculcate time difference in ~1/AIO_TICKS of a second */ |
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157 | static int tvdiff (struct timeval *tv1, struct timeval *tv2) |
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158 | { |
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159 | return (tv2->tv_sec - tv1->tv_sec ) * AIO_TICKS |
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160 | + ((tv2->tv_usec - tv1->tv_usec) >> 10); |
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161 | } |
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162 | |
134 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
163 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
135 | |
164 | |
136 | static int started, wanted; |
165 | static unsigned int started, idle, wanted; |
137 | static volatile int nreqs; |
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138 | static int respipe [2]; |
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139 | |
166 | |
140 | #if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP) |
167 | #if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP) |
141 | # define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP |
168 | # define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP |
142 | #else |
169 | #else |
143 | # define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
170 | # define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
144 | #endif |
171 | #endif |
145 | |
172 | |
146 | #define LOCK(mutex) pthread_mutex_lock (&(mutex)) |
173 | #define LOCK(mutex) pthread_mutex_lock (&(mutex)) |
147 | #define UNLOCK(mutex) pthread_mutex_unlock (&(mutex)) |
174 | #define UNLOCK(mutex) pthread_mutex_unlock (&(mutex)) |
148 | |
175 | |
149 | /* worker threasd management */ |
176 | /* worker threads management */ |
150 | static pthread_mutex_t wrklock = AIO_MUTEX_INIT; |
177 | static pthread_mutex_t wrklock = AIO_MUTEX_INIT; |
151 | |
178 | |
152 | typedef struct worker { |
179 | typedef struct worker { |
153 | /* locked by wrklock */ |
180 | /* locked by wrklock */ |
154 | struct worker *prev, *next; |
181 | struct worker *prev, *next; |
… | |
… | |
184 | wrk->prev->next = wrk->next; |
211 | wrk->prev->next = wrk->next; |
185 | |
212 | |
186 | free (wrk); |
213 | free (wrk); |
187 | } |
214 | } |
188 | |
215 | |
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216 | static volatile unsigned int nreqs, nready, npending; |
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217 | static volatile unsigned int max_idle = 4; |
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218 | static volatile unsigned int max_outstanding = 0xffffffff; |
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219 | static int respipe [2]; |
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220 | |
189 | static pthread_mutex_t reslock = AIO_MUTEX_INIT; |
221 | static pthread_mutex_t reslock = AIO_MUTEX_INIT; |
190 | static pthread_mutex_t reqlock = AIO_MUTEX_INIT; |
222 | static pthread_mutex_t reqlock = AIO_MUTEX_INIT; |
191 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
223 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
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224 | |
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225 | #if WORDACCESS_UNSAFE |
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226 | |
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227 | static unsigned int get_nready () |
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228 | { |
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229 | unsigned int retval; |
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230 | |
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231 | LOCK (reqlock); |
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232 | retval = nready; |
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233 | UNLOCK (reqlock); |
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234 | |
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235 | return retval; |
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236 | } |
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237 | |
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238 | static unsigned int get_npending () |
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239 | { |
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240 | unsigned int retval; |
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241 | |
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242 | LOCK (reslock); |
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243 | retval = npending; |
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244 | UNLOCK (reslock); |
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245 | |
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246 | return retval; |
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247 | } |
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248 | |
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249 | static unsigned int get_nthreads () |
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250 | { |
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251 | unsigned int retval; |
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252 | |
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253 | LOCK (wrklock); |
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254 | retval = started; |
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255 | UNLOCK (wrklock); |
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256 | |
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257 | return retval; |
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258 | } |
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259 | |
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260 | #else |
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261 | |
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262 | # define get_nready() nready |
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263 | # define get_npending() npending |
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264 | # define get_nthreads() started |
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265 | |
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266 | #endif |
192 | |
267 | |
193 | /* |
268 | /* |
194 | * a somewhat faster data structure might be nice, but |
269 | * a somewhat faster data structure might be nice, but |
195 | * with 8 priorities this actually needs <20 insns |
270 | * with 8 priorities this actually needs <20 insns |
196 | * per shift, the most expensive operation. |
271 | * per shift, the most expensive operation. |
… | |
… | |
273 | return mg ? (aio_req)mg->mg_ptr : 0; |
348 | return mg ? (aio_req)mg->mg_ptr : 0; |
274 | } |
349 | } |
275 | |
350 | |
276 | static void aio_grp_feed (aio_req grp) |
351 | static void aio_grp_feed (aio_req grp) |
277 | { |
352 | { |
278 | while (grp->length < grp->fd2 && !(grp->flags & FLAG_CANCELLED)) |
353 | while (grp->size < grp->int2 && !(grp->flags & FLAG_CANCELLED)) |
279 | { |
354 | { |
280 | int old_len = grp->length; |
355 | int old_len = grp->size; |
281 | |
356 | |
282 | if (grp->fh2 && SvOK (grp->fh2)) |
357 | if (grp->sv2 && SvOK (grp->sv2)) |
283 | { |
358 | { |
284 | dSP; |
359 | dSP; |
285 | |
360 | |
286 | ENTER; |
361 | ENTER; |
287 | SAVETMPS; |
362 | SAVETMPS; |
288 | PUSHMARK (SP); |
363 | PUSHMARK (SP); |
289 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
364 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
290 | PUTBACK; |
365 | PUTBACK; |
291 | call_sv (grp->fh2, G_VOID | G_EVAL | G_KEEPERR); |
366 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
292 | SPAGAIN; |
367 | SPAGAIN; |
293 | FREETMPS; |
368 | FREETMPS; |
294 | LEAVE; |
369 | LEAVE; |
295 | } |
370 | } |
296 | |
371 | |
297 | /* stop if no progress has been made */ |
372 | /* stop if no progress has been made */ |
298 | if (old_len == grp->length) |
373 | if (old_len == grp->size) |
299 | { |
374 | { |
300 | SvREFCNT_dec (grp->fh2); |
375 | SvREFCNT_dec (grp->sv2); |
301 | grp->fh2 = 0; |
376 | grp->sv2 = 0; |
302 | break; |
377 | break; |
303 | } |
378 | } |
304 | } |
379 | } |
305 | } |
380 | } |
306 | |
381 | |
307 | static void aio_grp_dec (aio_req grp) |
382 | static void aio_grp_dec (aio_req grp) |
308 | { |
383 | { |
309 | --grp->length; |
384 | --grp->size; |
310 | |
385 | |
311 | /* call feeder, if applicable */ |
386 | /* call feeder, if applicable */ |
312 | aio_grp_feed (grp); |
387 | aio_grp_feed (grp); |
313 | |
388 | |
314 | /* finish, if done */ |
389 | /* finish, if done */ |
315 | if (!grp->length && grp->fd) |
390 | if (!grp->size && grp->int1) |
316 | { |
391 | { |
317 | req_invoke (grp); |
392 | req_invoke (grp); |
318 | req_free (grp); |
393 | req_free (grp); |
319 | } |
394 | } |
320 | } |
395 | } |
321 | |
396 | |
322 | static void poll_wait () |
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323 | { |
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324 | fd_set rfd; |
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325 | |
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326 | while (nreqs) |
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327 | { |
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328 | int size; |
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329 | #if !(__i386 || __x86_64) /* safe without sempahore on these archs */ |
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330 | LOCK (reslock); |
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331 | #endif |
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332 | size = res_queue.size; |
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333 | #if !(__i386 || __x86_64) /* safe without sempahore on these archs */ |
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334 | UNLOCK (reslock); |
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335 | #endif |
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336 | |
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337 | if (size) |
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338 | return; |
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339 | |
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340 | FD_ZERO(&rfd); |
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341 | FD_SET(respipe [0], &rfd); |
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342 | |
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343 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
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344 | } |
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345 | } |
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346 | |
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347 | static void req_invoke (aio_req req) |
397 | static void req_invoke (aio_req req) |
348 | { |
398 | { |
349 | dSP; |
399 | dSP; |
350 | |
400 | |
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401 | if (req->flags & FLAG_DATA_RO_OFF) |
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402 | SvREADONLY_off (req->sv1); |
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403 | |
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404 | if (req->statdata) |
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405 | { |
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406 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
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407 | PL_laststatval = req->result; |
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408 | PL_statcache = *(req->statdata); |
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409 | } |
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410 | |
351 | if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback)) |
411 | if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback)) |
352 | { |
412 | { |
353 | errno = req->errorno; |
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354 | |
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355 | ENTER; |
413 | ENTER; |
356 | SAVETMPS; |
414 | SAVETMPS; |
357 | PUSHMARK (SP); |
415 | PUSHMARK (SP); |
358 | EXTEND (SP, 1); |
416 | EXTEND (SP, 1); |
359 | |
417 | |
… | |
… | |
364 | SV *rv = &PL_sv_undef; |
422 | SV *rv = &PL_sv_undef; |
365 | |
423 | |
366 | if (req->result >= 0) |
424 | if (req->result >= 0) |
367 | { |
425 | { |
368 | int i; |
426 | int i; |
369 | char *buf = req->data2ptr; |
427 | char *buf = req->ptr2; |
370 | AV *av = newAV (); |
428 | AV *av = newAV (); |
371 | |
429 | |
372 | av_extend (av, req->result - 1); |
430 | av_extend (av, req->result - 1); |
373 | |
431 | |
374 | for (i = 0; i < req->result; ++i) |
432 | for (i = 0; i < req->result; ++i) |
… | |
… | |
402 | XPUSHs (sv_2mortal (fh)); |
460 | XPUSHs (sv_2mortal (fh)); |
403 | } |
461 | } |
404 | break; |
462 | break; |
405 | |
463 | |
406 | case REQ_GROUP: |
464 | case REQ_GROUP: |
407 | req->fd = 2; /* mark group as finished */ |
465 | req->int1 = 2; /* mark group as finished */ |
408 | |
466 | |
409 | if (req->data) |
467 | if (req->sv1) |
410 | { |
468 | { |
411 | int i; |
469 | int i; |
412 | AV *av = (AV *)req->data; |
470 | AV *av = (AV *)req->sv1; |
413 | |
471 | |
414 | EXTEND (SP, AvFILL (av) + 1); |
472 | EXTEND (SP, AvFILL (av) + 1); |
415 | for (i = 0; i <= AvFILL (av); ++i) |
473 | for (i = 0; i <= AvFILL (av); ++i) |
416 | PUSHs (*av_fetch (av, i, 0)); |
474 | PUSHs (*av_fetch (av, i, 0)); |
417 | } |
475 | } |
… | |
… | |
419 | |
477 | |
420 | case REQ_NOP: |
478 | case REQ_NOP: |
421 | case REQ_BUSY: |
479 | case REQ_BUSY: |
422 | break; |
480 | break; |
423 | |
481 | |
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482 | case REQ_READLINK: |
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483 | if (req->result > 0) |
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484 | { |
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485 | SvCUR_set (req->sv1, req->result); |
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486 | *SvEND (req->sv1) = 0; |
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487 | PUSHs (req->sv1); |
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488 | } |
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489 | break; |
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490 | |
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491 | case REQ_READ: |
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492 | SvCUR_set (req->sv1, req->stroffset + (req->result > 0 ? req->result : 0)); |
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493 | *SvEND (req->sv1) = 0; |
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494 | /* fall through */ |
424 | default: |
495 | default: |
425 | PUSHs (sv_2mortal (newSViv (req->result))); |
496 | PUSHs (sv_2mortal (newSViv (req->result))); |
426 | break; |
497 | break; |
427 | } |
498 | } |
428 | |
499 | |
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500 | errno = req->errorno; |
429 | |
501 | |
430 | PUTBACK; |
502 | PUTBACK; |
431 | call_sv (req->callback, G_VOID | G_EVAL); |
503 | call_sv (req->callback, G_VOID | G_EVAL); |
432 | SPAGAIN; |
504 | SPAGAIN; |
433 | |
505 | |
… | |
… | |
462 | { |
534 | { |
463 | sv_unmagic (req->self, PERL_MAGIC_ext); |
535 | sv_unmagic (req->self, PERL_MAGIC_ext); |
464 | SvREFCNT_dec (req->self); |
536 | SvREFCNT_dec (req->self); |
465 | } |
537 | } |
466 | |
538 | |
467 | SvREFCNT_dec (req->data); |
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468 | SvREFCNT_dec (req->fh); |
539 | SvREFCNT_dec (req->fh); |
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540 | SvREFCNT_dec (req->sv1); |
469 | SvREFCNT_dec (req->fh2); |
541 | SvREFCNT_dec (req->sv2); |
470 | SvREFCNT_dec (req->callback); |
542 | SvREFCNT_dec (req->callback); |
471 | Safefree (req->statdata); |
543 | Safefree (req->statdata); |
472 | |
544 | |
473 | if (req->type == REQ_READDIR) |
545 | if (req->type == REQ_READDIR) |
474 | free (req->data2ptr); |
546 | free (req->ptr2); |
475 | |
547 | |
476 | Safefree (req); |
548 | Safefree (req); |
477 | } |
549 | } |
478 | |
550 | |
479 | static void req_cancel_subs (aio_req grp) |
551 | static void req_cancel_subs (aio_req grp) |
… | |
… | |
481 | aio_req sub; |
553 | aio_req sub; |
482 | |
554 | |
483 | if (grp->type != REQ_GROUP) |
555 | if (grp->type != REQ_GROUP) |
484 | return; |
556 | return; |
485 | |
557 | |
486 | SvREFCNT_dec (grp->fh2); |
558 | SvREFCNT_dec (grp->sv2); |
487 | grp->fh2 = 0; |
559 | grp->sv2 = 0; |
488 | |
560 | |
489 | for (sub = grp->grp_first; sub; sub = sub->grp_next) |
561 | for (sub = grp->grp_first; sub; sub = sub->grp_next) |
490 | req_cancel (sub); |
562 | req_cancel (sub); |
491 | } |
563 | } |
492 | |
564 | |
493 | static void req_cancel (aio_req req) |
565 | static void req_cancel (aio_req req) |
494 | { |
566 | { |
495 | req->flags |= FLAG_CANCELLED; |
567 | req->flags |= FLAG_CANCELLED; |
496 | |
568 | |
497 | req_cancel_subs (req); |
569 | req_cancel_subs (req); |
498 | } |
|
|
499 | |
|
|
500 | static int poll_cb () |
|
|
501 | { |
|
|
502 | dSP; |
|
|
503 | int count = 0; |
|
|
504 | int do_croak = 0; |
|
|
505 | aio_req req; |
|
|
506 | |
|
|
507 | for (;;) |
|
|
508 | { |
|
|
509 | LOCK (reslock); |
|
|
510 | req = reqq_shift (&res_queue); |
|
|
511 | |
|
|
512 | if (req) |
|
|
513 | { |
|
|
514 | if (!res_queue.size) |
|
|
515 | { |
|
|
516 | /* read any signals sent by the worker threads */ |
|
|
517 | char buf [32]; |
|
|
518 | while (read (respipe [0], buf, 32) == 32) |
|
|
519 | ; |
|
|
520 | } |
|
|
521 | } |
|
|
522 | |
|
|
523 | UNLOCK (reslock); |
|
|
524 | |
|
|
525 | if (!req) |
|
|
526 | break; |
|
|
527 | |
|
|
528 | --nreqs; |
|
|
529 | |
|
|
530 | if (req->type == REQ_QUIT) |
|
|
531 | started--; |
|
|
532 | else if (req->type == REQ_GROUP && req->length) |
|
|
533 | { |
|
|
534 | req->fd = 1; /* mark request as delayed */ |
|
|
535 | continue; |
|
|
536 | } |
|
|
537 | else |
|
|
538 | { |
|
|
539 | if (req->type == REQ_READ) |
|
|
540 | SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0)); |
|
|
541 | |
|
|
542 | if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE)) |
|
|
543 | SvREADONLY_off (req->data); |
|
|
544 | |
|
|
545 | if (req->statdata) |
|
|
546 | { |
|
|
547 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
548 | PL_laststatval = req->result; |
|
|
549 | PL_statcache = *(req->statdata); |
|
|
550 | } |
|
|
551 | |
|
|
552 | req_invoke (req); |
|
|
553 | |
|
|
554 | count++; |
|
|
555 | } |
|
|
556 | |
|
|
557 | req_free (req); |
|
|
558 | } |
|
|
559 | |
|
|
560 | return count; |
|
|
561 | } |
570 | } |
562 | |
571 | |
563 | static void *aio_proc(void *arg); |
572 | static void *aio_proc(void *arg); |
564 | |
573 | |
565 | static void start_thread (void) |
574 | static void start_thread (void) |
… | |
… | |
573 | croak ("unable to allocate worker thread data"); |
582 | croak ("unable to allocate worker thread data"); |
574 | |
583 | |
575 | pthread_attr_init (&attr); |
584 | pthread_attr_init (&attr); |
576 | pthread_attr_setstacksize (&attr, STACKSIZE); |
585 | pthread_attr_setstacksize (&attr, STACKSIZE); |
577 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
586 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
|
|
587 | #ifdef PTHREAD_SCOPE_PROCESS |
|
|
588 | pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS); |
|
|
589 | #endif |
578 | |
590 | |
579 | sigfillset (&fullsigset); |
591 | sigfillset (&fullsigset); |
580 | |
592 | |
581 | LOCK (wrklock); |
593 | LOCK (wrklock); |
582 | sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset); |
594 | sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset); |
… | |
… | |
585 | { |
597 | { |
586 | wrk->prev = &wrk_first; |
598 | wrk->prev = &wrk_first; |
587 | wrk->next = wrk_first.next; |
599 | wrk->next = wrk_first.next; |
588 | wrk_first.next->prev = wrk; |
600 | wrk_first.next->prev = wrk; |
589 | wrk_first.next = wrk; |
601 | wrk_first.next = wrk; |
590 | started++; |
602 | ++started; |
591 | } |
603 | } |
592 | else |
604 | else |
593 | free (wrk); |
605 | free (wrk); |
594 | |
606 | |
595 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
607 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
596 | UNLOCK (wrklock); |
608 | UNLOCK (wrklock); |
597 | } |
609 | } |
598 | |
610 | |
|
|
611 | static void maybe_start_thread () |
|
|
612 | { |
|
|
613 | if (get_nthreads () >= wanted) |
|
|
614 | return; |
|
|
615 | |
|
|
616 | /* todo: maybe use idle here, but might be less exact */ |
|
|
617 | if (0 <= (int)get_nthreads () + (int)get_npending () - (int)nreqs) |
|
|
618 | return; |
|
|
619 | |
|
|
620 | start_thread (); |
|
|
621 | } |
|
|
622 | |
599 | static void req_send (aio_req req) |
623 | static void req_send (aio_req req) |
600 | { |
624 | { |
601 | while (started < wanted && nreqs >= started) |
|
|
602 | start_thread (); |
|
|
603 | |
|
|
604 | ++nreqs; |
625 | ++nreqs; |
|
|
626 | |
|
|
627 | LOCK (reqlock); |
|
|
628 | ++nready; |
|
|
629 | reqq_push (&req_queue, req); |
|
|
630 | pthread_cond_signal (&reqwait); |
|
|
631 | UNLOCK (reqlock); |
|
|
632 | |
|
|
633 | maybe_start_thread (); |
|
|
634 | } |
|
|
635 | |
|
|
636 | static void end_thread (void) |
|
|
637 | { |
|
|
638 | aio_req req; |
|
|
639 | |
|
|
640 | Newz (0, req, 1, aio_cb); |
|
|
641 | |
|
|
642 | req->type = REQ_QUIT; |
|
|
643 | req->pri = PRI_MAX + PRI_BIAS; |
605 | |
644 | |
606 | LOCK (reqlock); |
645 | LOCK (reqlock); |
607 | reqq_push (&req_queue, req); |
646 | reqq_push (&req_queue, req); |
608 | pthread_cond_signal (&reqwait); |
647 | pthread_cond_signal (&reqwait); |
609 | UNLOCK (reqlock); |
648 | UNLOCK (reqlock); |
610 | } |
|
|
611 | |
649 | |
612 | static void end_thread (void) |
650 | LOCK (wrklock); |
613 | { |
651 | --started; |
614 | aio_req req; |
652 | UNLOCK (wrklock); |
|
|
653 | } |
615 | |
654 | |
616 | Newz (0, req, 1, aio_cb); |
655 | static void set_max_idle (int nthreads) |
617 | |
656 | { |
618 | req->type = REQ_QUIT; |
657 | if (WORDACCESS_UNSAFE) LOCK (reqlock); |
619 | req->pri = PRI_MAX + PRI_BIAS; |
658 | max_idle = nthreads <= 0 ? 1 : nthreads; |
620 | |
659 | if (WORDACCESS_UNSAFE) UNLOCK (reqlock); |
621 | req_send (req); |
|
|
622 | } |
660 | } |
623 | |
661 | |
624 | static void min_parallel (int nthreads) |
662 | static void min_parallel (int nthreads) |
625 | { |
663 | { |
626 | if (wanted < nthreads) |
664 | if (wanted < nthreads) |
627 | wanted = nthreads; |
665 | wanted = nthreads; |
628 | } |
666 | } |
629 | |
667 | |
630 | static void max_parallel (int nthreads) |
668 | static void max_parallel (int nthreads) |
631 | { |
669 | { |
632 | int cur = started; |
|
|
633 | |
|
|
634 | if (wanted > nthreads) |
670 | if (wanted > nthreads) |
635 | wanted = nthreads; |
671 | wanted = nthreads; |
636 | |
672 | |
637 | while (cur > wanted) |
|
|
638 | { |
|
|
639 | end_thread (); |
|
|
640 | cur--; |
|
|
641 | } |
|
|
642 | |
|
|
643 | while (started > wanted) |
673 | while (started > wanted) |
|
|
674 | end_thread (); |
|
|
675 | } |
|
|
676 | |
|
|
677 | static void poll_wait () |
|
|
678 | { |
|
|
679 | fd_set rfd; |
|
|
680 | |
|
|
681 | while (nreqs) |
|
|
682 | { |
|
|
683 | int size; |
|
|
684 | if (WORDACCESS_UNSAFE) LOCK (reslock); |
|
|
685 | size = res_queue.size; |
|
|
686 | if (WORDACCESS_UNSAFE) UNLOCK (reslock); |
|
|
687 | |
|
|
688 | if (size) |
|
|
689 | return; |
|
|
690 | |
|
|
691 | maybe_start_thread (); |
|
|
692 | |
|
|
693 | FD_ZERO(&rfd); |
|
|
694 | FD_SET(respipe [0], &rfd); |
|
|
695 | |
|
|
696 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
644 | { |
697 | } |
|
|
698 | } |
|
|
699 | |
|
|
700 | static int poll_cb () |
|
|
701 | { |
|
|
702 | dSP; |
|
|
703 | int count = 0; |
|
|
704 | int maxreqs = max_poll_reqs; |
|
|
705 | int do_croak = 0; |
|
|
706 | struct timeval tv_start, tv_now; |
|
|
707 | aio_req req; |
|
|
708 | |
|
|
709 | if (max_poll_time) |
|
|
710 | gettimeofday (&tv_start, 0); |
|
|
711 | |
|
|
712 | for (;;) |
|
|
713 | { |
|
|
714 | for (;;) |
|
|
715 | { |
|
|
716 | maybe_start_thread (); |
|
|
717 | |
|
|
718 | LOCK (reslock); |
|
|
719 | req = reqq_shift (&res_queue); |
|
|
720 | |
|
|
721 | if (req) |
|
|
722 | { |
|
|
723 | --npending; |
|
|
724 | |
|
|
725 | if (!res_queue.size) |
|
|
726 | { |
|
|
727 | /* read any signals sent by the worker threads */ |
|
|
728 | char buf [32]; |
|
|
729 | while (read (respipe [0], buf, 32) == 32) |
|
|
730 | ; |
|
|
731 | } |
|
|
732 | } |
|
|
733 | |
|
|
734 | UNLOCK (reslock); |
|
|
735 | |
|
|
736 | if (!req) |
|
|
737 | break; |
|
|
738 | |
|
|
739 | --nreqs; |
|
|
740 | |
|
|
741 | if (req->type == REQ_GROUP && req->size) |
|
|
742 | { |
|
|
743 | req->int1 = 1; /* mark request as delayed */ |
|
|
744 | continue; |
|
|
745 | } |
|
|
746 | else |
|
|
747 | { |
|
|
748 | req_invoke (req); |
|
|
749 | |
|
|
750 | count++; |
|
|
751 | } |
|
|
752 | |
|
|
753 | req_free (req); |
|
|
754 | |
|
|
755 | if (maxreqs && !--maxreqs) |
|
|
756 | break; |
|
|
757 | |
|
|
758 | if (max_poll_time) |
|
|
759 | { |
|
|
760 | gettimeofday (&tv_now, 0); |
|
|
761 | |
|
|
762 | if (tvdiff (&tv_start, &tv_now) >= max_poll_time) |
|
|
763 | break; |
|
|
764 | } |
|
|
765 | } |
|
|
766 | |
|
|
767 | if (nreqs <= max_outstanding) |
|
|
768 | break; |
|
|
769 | |
645 | poll_wait (); |
770 | poll_wait (); |
646 | poll_cb (); |
771 | |
|
|
772 | ++maxreqs; |
647 | } |
773 | } |
|
|
774 | |
|
|
775 | return count; |
648 | } |
776 | } |
649 | |
777 | |
650 | static void create_pipe () |
778 | static void create_pipe () |
651 | { |
779 | { |
652 | if (pipe (respipe)) |
780 | if (pipe (respipe)) |
… | |
… | |
779 | { |
907 | { |
780 | off_t sbytes; |
908 | off_t sbytes; |
781 | res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0); |
909 | res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0); |
782 | |
910 | |
783 | if (res < 0 && sbytes) |
911 | if (res < 0 && sbytes) |
784 | /* maybe only on EAGAIN only: as usual, the manpage leaves you guessing */ |
912 | /* maybe only on EAGAIN: as usual, the manpage leaves you guessing */ |
785 | res = sbytes; |
913 | res = sbytes; |
786 | } |
914 | } |
787 | |
915 | |
788 | # elif __hpux |
916 | # elif __hpux |
789 | res = sendfile (ofd, ifd, offset, count, 0, 0); |
917 | res = sendfile (ofd, ifd, offset, count, 0, 0); |
… | |
… | |
867 | int memofs = 0; |
995 | int memofs = 0; |
868 | int res = 0; |
996 | int res = 0; |
869 | int errorno; |
997 | int errorno; |
870 | |
998 | |
871 | LOCK (wrklock); |
999 | LOCK (wrklock); |
872 | self->dirp = dirp = opendir (req->dataptr); |
1000 | self->dirp = dirp = opendir (req->ptr1); |
873 | self->dbuf = u = malloc (sizeof (*u)); |
1001 | self->dbuf = u = malloc (sizeof (*u)); |
|
|
1002 | req->ptr2 = names = malloc (memlen); |
874 | UNLOCK (wrklock); |
1003 | UNLOCK (wrklock); |
875 | |
|
|
876 | req->data2ptr = names = malloc (memlen); |
|
|
877 | |
1004 | |
878 | if (dirp && u && names) |
1005 | if (dirp && u && names) |
879 | for (;;) |
1006 | for (;;) |
880 | { |
1007 | { |
881 | errno = 0; |
1008 | errno = 0; |
… | |
… | |
894 | |
1021 | |
895 | while (memofs + len > memlen) |
1022 | while (memofs + len > memlen) |
896 | { |
1023 | { |
897 | memlen *= 2; |
1024 | memlen *= 2; |
898 | LOCK (wrklock); |
1025 | LOCK (wrklock); |
899 | req->data2ptr = names = realloc (names, memlen); |
1026 | req->ptr2 = names = realloc (names, memlen); |
900 | UNLOCK (wrklock); |
1027 | UNLOCK (wrklock); |
901 | |
1028 | |
902 | if (!names) |
1029 | if (!names) |
903 | break; |
1030 | break; |
904 | } |
1031 | } |
… | |
… | |
917 | /*****************************************************************************/ |
1044 | /*****************************************************************************/ |
918 | |
1045 | |
919 | static void *aio_proc (void *thr_arg) |
1046 | static void *aio_proc (void *thr_arg) |
920 | { |
1047 | { |
921 | aio_req req; |
1048 | aio_req req; |
922 | int type; |
1049 | struct timespec ts; |
923 | worker *self = (worker *)thr_arg; |
1050 | worker *self = (worker *)thr_arg; |
924 | |
1051 | |
925 | do |
1052 | /* try to distribute timeouts somewhat evenly */ |
|
|
1053 | ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL) |
|
|
1054 | * (1000000000UL / 1024UL); |
|
|
1055 | |
|
|
1056 | for (;;) |
926 | { |
1057 | { |
|
|
1058 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
|
|
1059 | |
927 | LOCK (reqlock); |
1060 | LOCK (reqlock); |
928 | |
1061 | |
929 | for (;;) |
1062 | for (;;) |
930 | { |
1063 | { |
931 | self->req = req = reqq_shift (&req_queue); |
1064 | self->req = req = reqq_shift (&req_queue); |
932 | |
1065 | |
933 | if (req) |
1066 | if (req) |
934 | break; |
1067 | break; |
935 | |
1068 | |
|
|
1069 | ++idle; |
|
|
1070 | |
|
|
1071 | if (pthread_cond_timedwait (&reqwait, &reqlock, &ts) |
|
|
1072 | == ETIMEDOUT) |
|
|
1073 | { |
|
|
1074 | if (idle > max_idle) |
|
|
1075 | { |
|
|
1076 | --idle; |
|
|
1077 | UNLOCK (reqlock); |
|
|
1078 | LOCK (wrklock); |
|
|
1079 | --started; |
|
|
1080 | UNLOCK (wrklock); |
|
|
1081 | goto quit; |
|
|
1082 | } |
|
|
1083 | |
|
|
1084 | /* we are allowed to idle, so do so without any timeout */ |
936 | pthread_cond_wait (&reqwait, &reqlock); |
1085 | pthread_cond_wait (&reqwait, &reqlock); |
|
|
1086 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
|
|
1087 | } |
|
|
1088 | |
|
|
1089 | --idle; |
937 | } |
1090 | } |
|
|
1091 | |
|
|
1092 | --nready; |
938 | |
1093 | |
939 | UNLOCK (reqlock); |
1094 | UNLOCK (reqlock); |
940 | |
1095 | |
941 | errno = 0; /* strictly unnecessary */ |
1096 | errno = 0; /* strictly unnecessary */ |
942 | type = req->type; /* remember type for QUIT check */ |
|
|
943 | |
1097 | |
944 | if (!(req->flags & FLAG_CANCELLED)) |
1098 | if (!(req->flags & FLAG_CANCELLED)) |
945 | switch (type) |
1099 | switch (req->type) |
946 | { |
1100 | { |
947 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
1101 | case REQ_READ: req->result = pread (req->int1, req->ptr1, req->size, req->offs); break; |
948 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
1102 | case REQ_WRITE: req->result = pwrite (req->int1, req->ptr1, req->size, req->offs); break; |
949 | |
1103 | |
950 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
1104 | case REQ_READAHEAD: req->result = readahead (req->int1, req->offs, req->size); break; |
951 | case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length, self); break; |
1105 | case REQ_SENDFILE: req->result = sendfile_ (req->int1, req->int2, req->offs, req->size, self); break; |
952 | |
1106 | |
953 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
1107 | case REQ_STAT: req->result = stat (req->ptr1, req->statdata); break; |
954 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
1108 | case REQ_LSTAT: req->result = lstat (req->ptr1, req->statdata); break; |
955 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
1109 | case REQ_FSTAT: req->result = fstat (req->int1, req->statdata); break; |
956 | |
1110 | |
957 | case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; |
1111 | case REQ_OPEN: req->result = open (req->ptr1, req->int1, req->mode); break; |
958 | case REQ_CLOSE: req->result = close (req->fd); break; |
1112 | case REQ_CLOSE: req->result = close (req->int1); break; |
959 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
1113 | case REQ_UNLINK: req->result = unlink (req->ptr1); break; |
960 | case REQ_RMDIR: req->result = rmdir (req->dataptr); break; |
1114 | case REQ_RMDIR: req->result = rmdir (req->ptr1); break; |
961 | case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break; |
1115 | case REQ_RENAME: req->result = rename (req->ptr2, req->ptr1); break; |
962 | case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break; |
1116 | case REQ_LINK: req->result = link (req->ptr2, req->ptr1); break; |
963 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
1117 | case REQ_SYMLINK: req->result = symlink (req->ptr2, req->ptr1); break; |
|
|
1118 | case REQ_MKNOD: req->result = mknod (req->ptr2, req->mode, (dev_t)req->offs); break; |
|
|
1119 | case REQ_READLINK: req->result = readlink (req->ptr2, req->ptr1, NAME_MAX); break; |
964 | |
1120 | |
965 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
1121 | case REQ_FDATASYNC: req->result = fdatasync (req->int1); break; |
966 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
1122 | case REQ_FSYNC: req->result = fsync (req->int1); break; |
967 | case REQ_READDIR: scandir_ (req, self); break; |
1123 | case REQ_READDIR: scandir_ (req, self); break; |
968 | |
1124 | |
969 | case REQ_BUSY: |
1125 | case REQ_BUSY: |
970 | { |
1126 | { |
971 | struct timeval tv; |
1127 | struct timeval tv; |
972 | |
1128 | |
973 | tv.tv_sec = req->fd; |
1129 | tv.tv_sec = req->int1; |
974 | tv.tv_usec = req->fd2; |
1130 | tv.tv_usec = req->int2; |
975 | |
1131 | |
976 | req->result = select (0, 0, 0, 0, &tv); |
1132 | req->result = select (0, 0, 0, 0, &tv); |
977 | } |
1133 | } |
978 | |
1134 | |
979 | case REQ_GROUP: |
1135 | case REQ_GROUP: |
980 | case REQ_NOP: |
1136 | case REQ_NOP: |
|
|
1137 | break; |
|
|
1138 | |
981 | case REQ_QUIT: |
1139 | case REQ_QUIT: |
982 | break; |
1140 | goto quit; |
983 | |
1141 | |
984 | default: |
1142 | default: |
985 | req->result = ENOSYS; |
1143 | req->result = ENOSYS; |
986 | break; |
1144 | break; |
987 | } |
1145 | } |
988 | |
1146 | |
989 | req->errorno = errno; |
1147 | req->errorno = errno; |
990 | |
1148 | |
991 | LOCK (reslock); |
1149 | LOCK (reslock); |
992 | |
1150 | |
|
|
1151 | ++npending; |
|
|
1152 | |
993 | if (!reqq_push (&res_queue, req)) |
1153 | if (!reqq_push (&res_queue, req)) |
994 | /* write a dummy byte to the pipe so fh becomes ready */ |
1154 | /* write a dummy byte to the pipe so fh becomes ready */ |
995 | write (respipe [1], &respipe, 1); |
1155 | write (respipe [1], &respipe, 1); |
996 | |
1156 | |
997 | self->req = 0; |
1157 | self->req = 0; |
998 | worker_clear (self); |
1158 | worker_clear (self); |
999 | |
1159 | |
1000 | UNLOCK (reslock); |
1160 | UNLOCK (reslock); |
1001 | } |
1161 | } |
1002 | while (type != REQ_QUIT); |
|
|
1003 | |
1162 | |
|
|
1163 | quit: |
1004 | LOCK (wrklock); |
1164 | LOCK (wrklock); |
1005 | worker_free (self); |
1165 | worker_free (self); |
1006 | UNLOCK (wrklock); |
1166 | UNLOCK (wrklock); |
1007 | |
1167 | |
1008 | return 0; |
1168 | return 0; |
… | |
… | |
1055 | |
1215 | |
1056 | worker_clear (wrk); |
1216 | worker_clear (wrk); |
1057 | worker_free (wrk); |
1217 | worker_free (wrk); |
1058 | } |
1218 | } |
1059 | |
1219 | |
1060 | started = 0; |
1220 | started = 0; |
|
|
1221 | idle = 0; |
1061 | nreqs = 0; |
1222 | nreqs = 0; |
|
|
1223 | nready = 0; |
|
|
1224 | npending = 0; |
1062 | |
1225 | |
1063 | close (respipe [0]); |
1226 | close (respipe [0]); |
1064 | close (respipe [1]); |
1227 | close (respipe [1]); |
1065 | create_pipe (); |
1228 | create_pipe (); |
1066 | |
1229 | |
… | |
… | |
1093 | PROTOTYPES: ENABLE |
1256 | PROTOTYPES: ENABLE |
1094 | |
1257 | |
1095 | BOOT: |
1258 | BOOT: |
1096 | { |
1259 | { |
1097 | HV *stash = gv_stashpv ("IO::AIO", 1); |
1260 | HV *stash = gv_stashpv ("IO::AIO", 1); |
|
|
1261 | |
1098 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
1262 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
1099 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
1263 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
1100 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
1264 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
|
|
1265 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
|
|
1266 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
|
|
1267 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
1101 | |
1268 | |
1102 | create_pipe (); |
1269 | create_pipe (); |
1103 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
1270 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
1104 | } |
1271 | } |
1105 | |
1272 | |
1106 | void |
1273 | void |
1107 | min_parallel (nthreads) |
1274 | max_poll_reqs (int nreqs) |
1108 | int nthreads |
|
|
1109 | PROTOTYPE: $ |
1275 | PROTOTYPE: $ |
|
|
1276 | CODE: |
|
|
1277 | max_poll_reqs = nreqs; |
1110 | |
1278 | |
1111 | void |
1279 | void |
1112 | max_parallel (nthreads) |
1280 | max_poll_time (double nseconds) |
1113 | int nthreads |
|
|
1114 | PROTOTYPE: $ |
1281 | PROTOTYPE: $ |
|
|
1282 | CODE: |
|
|
1283 | max_poll_time = nseconds * AIO_TICKS; |
|
|
1284 | |
|
|
1285 | void |
|
|
1286 | min_parallel (int nthreads) |
|
|
1287 | PROTOTYPE: $ |
|
|
1288 | |
|
|
1289 | void |
|
|
1290 | max_parallel (int nthreads) |
|
|
1291 | PROTOTYPE: $ |
|
|
1292 | |
|
|
1293 | void |
|
|
1294 | max_idle (int nthreads) |
|
|
1295 | PROTOTYPE: $ |
|
|
1296 | CODE: |
|
|
1297 | set_max_idle (nthreads); |
|
|
1298 | |
|
|
1299 | int |
|
|
1300 | max_outstanding (int maxreqs) |
|
|
1301 | PROTOTYPE: $ |
|
|
1302 | CODE: |
|
|
1303 | RETVAL = max_outstanding; |
|
|
1304 | max_outstanding = maxreqs; |
|
|
1305 | OUTPUT: |
|
|
1306 | RETVAL |
1115 | |
1307 | |
1116 | void |
1308 | void |
1117 | aio_open (pathname,flags,mode,callback=&PL_sv_undef) |
1309 | aio_open (pathname,flags,mode,callback=&PL_sv_undef) |
1118 | SV * pathname |
1310 | SV * pathname |
1119 | int flags |
1311 | int flags |
… | |
… | |
1123 | PPCODE: |
1315 | PPCODE: |
1124 | { |
1316 | { |
1125 | dREQ; |
1317 | dREQ; |
1126 | |
1318 | |
1127 | req->type = REQ_OPEN; |
1319 | req->type = REQ_OPEN; |
1128 | req->data = newSVsv (pathname); |
1320 | req->sv1 = newSVsv (pathname); |
1129 | req->dataptr = SvPVbyte_nolen (req->data); |
1321 | req->ptr1 = SvPVbyte_nolen (pathname); |
1130 | req->fd = flags; |
1322 | req->int1 = flags; |
1131 | req->mode = mode; |
1323 | req->mode = mode; |
1132 | |
1324 | |
1133 | REQ_SEND; |
1325 | REQ_SEND; |
1134 | } |
1326 | } |
1135 | |
1327 | |
… | |
… | |
1145 | PPCODE: |
1337 | PPCODE: |
1146 | { |
1338 | { |
1147 | dREQ; |
1339 | dREQ; |
1148 | |
1340 | |
1149 | req->type = ix; |
1341 | req->type = ix; |
1150 | req->fh = newSVsv (fh); |
1342 | req->fh = newSVsv (fh); |
1151 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1343 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1152 | |
1344 | |
1153 | REQ_SEND (req); |
1345 | REQ_SEND (req); |
1154 | } |
1346 | } |
1155 | |
1347 | |
1156 | void |
1348 | void |
… | |
… | |
1165 | aio_read = REQ_READ |
1357 | aio_read = REQ_READ |
1166 | aio_write = REQ_WRITE |
1358 | aio_write = REQ_WRITE |
1167 | PROTOTYPE: $$$$$;$ |
1359 | PROTOTYPE: $$$$$;$ |
1168 | PPCODE: |
1360 | PPCODE: |
1169 | { |
1361 | { |
1170 | aio_req req; |
|
|
1171 | STRLEN svlen; |
1362 | STRLEN svlen; |
1172 | char *svptr = SvPVbyte (data, svlen); |
1363 | char *svptr = SvPVbyte (data, svlen); |
1173 | |
1364 | |
1174 | SvUPGRADE (data, SVt_PV); |
1365 | SvUPGRADE (data, SVt_PV); |
1175 | SvPOK_on (data); |
1366 | SvPOK_on (data); |
… | |
… | |
1197 | |
1388 | |
1198 | { |
1389 | { |
1199 | dREQ; |
1390 | dREQ; |
1200 | |
1391 | |
1201 | req->type = ix; |
1392 | req->type = ix; |
1202 | req->fh = newSVsv (fh); |
1393 | req->fh = newSVsv (fh); |
1203 | req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
1394 | req->int1 = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
1204 | : IoOFP (sv_2io (fh))); |
1395 | : IoOFP (sv_2io (fh))); |
1205 | req->offset = offset; |
1396 | req->offs = offset; |
1206 | req->length = length; |
1397 | req->size = length; |
1207 | req->data = SvREFCNT_inc (data); |
1398 | req->sv1 = SvREFCNT_inc (data); |
1208 | req->dataptr = (char *)svptr + dataoffset; |
1399 | req->ptr1 = (char *)svptr + dataoffset; |
|
|
1400 | req->stroffset = dataoffset; |
1209 | |
1401 | |
1210 | if (!SvREADONLY (data)) |
1402 | if (!SvREADONLY (data)) |
1211 | { |
1403 | { |
1212 | SvREADONLY_on (data); |
1404 | SvREADONLY_on (data); |
1213 | req->data2ptr = (void *)data; |
1405 | req->flags |= FLAG_DATA_RO_OFF; |
1214 | } |
1406 | } |
1215 | |
1407 | |
1216 | REQ_SEND; |
1408 | REQ_SEND; |
1217 | } |
1409 | } |
|
|
1410 | } |
|
|
1411 | |
|
|
1412 | void |
|
|
1413 | aio_readlink (path,callback=&PL_sv_undef) |
|
|
1414 | SV * path |
|
|
1415 | SV * callback |
|
|
1416 | PROTOTYPE: $$;$ |
|
|
1417 | PPCODE: |
|
|
1418 | { |
|
|
1419 | SV *data; |
|
|
1420 | dREQ; |
|
|
1421 | |
|
|
1422 | data = newSV (NAME_MAX); |
|
|
1423 | SvPOK_on (data); |
|
|
1424 | |
|
|
1425 | req->type = REQ_READLINK; |
|
|
1426 | req->fh = newSVsv (path); |
|
|
1427 | req->ptr2 = SvPVbyte_nolen (path); |
|
|
1428 | req->sv1 = data; |
|
|
1429 | req->ptr1 = SvPVbyte_nolen (data); |
|
|
1430 | |
|
|
1431 | REQ_SEND; |
1218 | } |
1432 | } |
1219 | |
1433 | |
1220 | void |
1434 | void |
1221 | aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) |
1435 | aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) |
1222 | SV * out_fh |
1436 | SV * out_fh |
… | |
… | |
1228 | PPCODE: |
1442 | PPCODE: |
1229 | { |
1443 | { |
1230 | dREQ; |
1444 | dREQ; |
1231 | |
1445 | |
1232 | req->type = REQ_SENDFILE; |
1446 | req->type = REQ_SENDFILE; |
1233 | req->fh = newSVsv (out_fh); |
1447 | req->fh = newSVsv (out_fh); |
1234 | req->fd = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
1448 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
1235 | req->fh2 = newSVsv (in_fh); |
1449 | req->sv2 = newSVsv (in_fh); |
1236 | req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
1450 | req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
1237 | req->offset = in_offset; |
1451 | req->offs = in_offset; |
1238 | req->length = length; |
1452 | req->size = length; |
1239 | |
1453 | |
1240 | REQ_SEND; |
1454 | REQ_SEND; |
1241 | } |
1455 | } |
1242 | |
1456 | |
1243 | void |
1457 | void |
… | |
… | |
1250 | PPCODE: |
1464 | PPCODE: |
1251 | { |
1465 | { |
1252 | dREQ; |
1466 | dREQ; |
1253 | |
1467 | |
1254 | req->type = REQ_READAHEAD; |
1468 | req->type = REQ_READAHEAD; |
1255 | req->fh = newSVsv (fh); |
1469 | req->fh = newSVsv (fh); |
1256 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1470 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1257 | req->offset = offset; |
1471 | req->offs = offset; |
1258 | req->length = length; |
1472 | req->size = length; |
1259 | |
1473 | |
1260 | REQ_SEND; |
1474 | REQ_SEND; |
1261 | } |
1475 | } |
1262 | |
1476 | |
1263 | void |
1477 | void |
… | |
… | |
1279 | } |
1493 | } |
1280 | |
1494 | |
1281 | if (SvPOK (fh_or_path)) |
1495 | if (SvPOK (fh_or_path)) |
1282 | { |
1496 | { |
1283 | req->type = ix; |
1497 | req->type = ix; |
1284 | req->data = newSVsv (fh_or_path); |
1498 | req->sv1 = newSVsv (fh_or_path); |
1285 | req->dataptr = SvPVbyte_nolen (req->data); |
1499 | req->ptr1 = SvPVbyte_nolen (fh_or_path); |
1286 | } |
1500 | } |
1287 | else |
1501 | else |
1288 | { |
1502 | { |
1289 | req->type = REQ_FSTAT; |
1503 | req->type = REQ_FSTAT; |
1290 | req->fh = newSVsv (fh_or_path); |
1504 | req->fh = newSVsv (fh_or_path); |
1291 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1505 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1292 | } |
1506 | } |
1293 | |
1507 | |
1294 | REQ_SEND; |
1508 | REQ_SEND; |
1295 | } |
1509 | } |
1296 | |
1510 | |
1297 | void |
1511 | void |
1298 | aio_unlink (pathname,callback=&PL_sv_undef) |
1512 | aio_unlink (pathname,callback=&PL_sv_undef) |
1299 | SV * pathname |
1513 | SV * pathname |
1300 | SV * callback |
1514 | SV * callback |
1301 | ALIAS: |
1515 | ALIAS: |
1302 | aio_unlink = REQ_UNLINK |
1516 | aio_unlink = REQ_UNLINK |
1303 | aio_rmdir = REQ_RMDIR |
1517 | aio_rmdir = REQ_RMDIR |
1304 | aio_readdir = REQ_READDIR |
1518 | aio_readdir = REQ_READDIR |
1305 | PPCODE: |
1519 | PPCODE: |
1306 | { |
1520 | { |
1307 | dREQ; |
1521 | dREQ; |
1308 | |
1522 | |
1309 | req->type = ix; |
1523 | req->type = ix; |
1310 | req->data = newSVsv (pathname); |
1524 | req->sv1 = newSVsv (pathname); |
1311 | req->dataptr = SvPVbyte_nolen (req->data); |
1525 | req->ptr1 = SvPVbyte_nolen (pathname); |
1312 | |
1526 | |
1313 | REQ_SEND; |
1527 | REQ_SEND; |
1314 | } |
1528 | } |
1315 | |
1529 | |
1316 | void |
1530 | void |
1317 | aio_link (oldpath,newpath,callback=&PL_sv_undef) |
1531 | aio_link (oldpath,newpath,callback=&PL_sv_undef) |
1318 | SV * oldpath |
1532 | SV * oldpath |
1319 | SV * newpath |
1533 | SV * newpath |
1320 | SV * callback |
1534 | SV * callback |
1321 | ALIAS: |
1535 | ALIAS: |
1322 | aio_link = REQ_LINK |
1536 | aio_link = REQ_LINK |
1323 | aio_symlink = REQ_SYMLINK |
1537 | aio_symlink = REQ_SYMLINK |
1324 | aio_rename = REQ_RENAME |
1538 | aio_rename = REQ_RENAME |
1325 | PPCODE: |
1539 | PPCODE: |
1326 | { |
1540 | { |
1327 | dREQ; |
1541 | dREQ; |
1328 | |
1542 | |
1329 | req->type = ix; |
1543 | req->type = ix; |
1330 | req->fh = newSVsv (oldpath); |
1544 | req->fh = newSVsv (oldpath); |
1331 | req->data2ptr = SvPVbyte_nolen (req->fh); |
1545 | req->ptr2 = SvPVbyte_nolen (req->fh); |
1332 | req->data = newSVsv (newpath); |
1546 | req->sv1 = newSVsv (newpath); |
1333 | req->dataptr = SvPVbyte_nolen (req->data); |
1547 | req->ptr1 = SvPVbyte_nolen (newpath); |
1334 | |
1548 | |
1335 | REQ_SEND; |
1549 | REQ_SEND; |
1336 | } |
1550 | } |
1337 | |
1551 | |
1338 | void |
1552 | void |
|
|
1553 | aio_mknod (pathname,mode,dev,callback=&PL_sv_undef) |
|
|
1554 | SV * pathname |
|
|
1555 | SV * callback |
|
|
1556 | UV mode |
|
|
1557 | UV dev |
|
|
1558 | PPCODE: |
|
|
1559 | { |
|
|
1560 | dREQ; |
|
|
1561 | |
|
|
1562 | req->type = REQ_MKNOD; |
|
|
1563 | req->sv1 = newSVsv (pathname); |
|
|
1564 | req->ptr1 = SvPVbyte_nolen (pathname); |
|
|
1565 | req->mode = (mode_t)mode; |
|
|
1566 | req->offs = dev; |
|
|
1567 | |
|
|
1568 | REQ_SEND; |
|
|
1569 | } |
|
|
1570 | |
|
|
1571 | void |
1339 | aio_busy (delay,callback=&PL_sv_undef) |
1572 | aio_busy (delay,callback=&PL_sv_undef) |
1340 | double delay |
1573 | double delay |
1341 | SV * callback |
1574 | SV * callback |
1342 | PPCODE: |
1575 | PPCODE: |
1343 | { |
1576 | { |
1344 | dREQ; |
1577 | dREQ; |
1345 | |
1578 | |
1346 | req->type = REQ_BUSY; |
1579 | req->type = REQ_BUSY; |
1347 | req->fd = delay < 0. ? 0 : delay; |
1580 | req->int1 = delay < 0. ? 0 : delay; |
1348 | req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd); |
1581 | req->int2 = delay < 0. ? 0 : 1000. * (delay - req->int1); |
1349 | |
1582 | |
1350 | REQ_SEND; |
1583 | REQ_SEND; |
1351 | } |
1584 | } |
1352 | |
1585 | |
1353 | void |
1586 | void |
… | |
… | |
1357 | PPCODE: |
1590 | PPCODE: |
1358 | { |
1591 | { |
1359 | dREQ; |
1592 | dREQ; |
1360 | |
1593 | |
1361 | req->type = REQ_GROUP; |
1594 | req->type = REQ_GROUP; |
|
|
1595 | |
1362 | req_send (req); |
1596 | req_send (req); |
1363 | |
|
|
1364 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1597 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1365 | } |
1598 | } |
1366 | |
1599 | |
1367 | void |
1600 | void |
1368 | aio_nop (callback=&PL_sv_undef) |
1601 | aio_nop (callback=&PL_sv_undef) |
1369 | SV * callback |
1602 | SV * callback |
1370 | PPCODE: |
1603 | PPCODE: |
1371 | { |
1604 | { |
1372 | dREQ; |
1605 | dREQ; |
1373 | |
1606 | |
1374 | req->type = REQ_NOP; |
1607 | req->type = REQ_NOP; |
1375 | |
1608 | |
1376 | REQ_SEND; |
1609 | REQ_SEND; |
1377 | } |
1610 | } |
1378 | |
1611 | |
1379 | void |
1612 | int |
1380 | aioreq_pri (int pri = DEFAULT_PRI) |
1613 | aioreq_pri (int pri = 0) |
1381 | CODE: |
1614 | PROTOTYPE: ;$ |
|
|
1615 | CODE: |
|
|
1616 | RETVAL = next_pri - PRI_BIAS; |
|
|
1617 | if (items > 0) |
|
|
1618 | { |
1382 | if (pri < PRI_MIN) pri = PRI_MIN; |
1619 | if (pri < PRI_MIN) pri = PRI_MIN; |
1383 | if (pri > PRI_MAX) pri = PRI_MAX; |
1620 | if (pri > PRI_MAX) pri = PRI_MAX; |
1384 | next_pri = pri + PRI_BIAS; |
1621 | next_pri = pri + PRI_BIAS; |
|
|
1622 | } |
|
|
1623 | OUTPUT: |
|
|
1624 | RETVAL |
1385 | |
1625 | |
1386 | void |
1626 | void |
1387 | aioreq_nice (int nice = 0) |
1627 | aioreq_nice (int nice = 0) |
1388 | CODE: |
1628 | CODE: |
1389 | nice = next_pri - nice; |
1629 | nice = next_pri - nice; |
1390 | if (nice < PRI_MIN) nice = PRI_MIN; |
1630 | if (nice < PRI_MIN) nice = PRI_MIN; |
1391 | if (nice > PRI_MAX) nice = PRI_MAX; |
1631 | if (nice > PRI_MAX) nice = PRI_MAX; |
1392 | next_pri = nice + PRI_BIAS; |
1632 | next_pri = nice + PRI_BIAS; |
1393 | |
1633 | |
1394 | void |
1634 | void |
1395 | flush () |
1635 | flush () |
1396 | PROTOTYPE: |
1636 | PROTOTYPE: |
1397 | CODE: |
1637 | CODE: |
1398 | while (nreqs) |
1638 | while (nreqs) |
1399 | { |
1639 | { |
1400 | poll_wait (); |
1640 | poll_wait (); |
1401 | poll_cb (); |
1641 | poll_cb (0); |
1402 | } |
1642 | } |
1403 | |
1643 | |
1404 | void |
1644 | void |
1405 | poll() |
1645 | poll() |
1406 | PROTOTYPE: |
1646 | PROTOTYPE: |
1407 | CODE: |
1647 | CODE: |
1408 | if (nreqs) |
1648 | if (nreqs) |
1409 | { |
1649 | { |
1410 | poll_wait (); |
1650 | poll_wait (); |
1411 | poll_cb (); |
1651 | poll_cb (0); |
1412 | } |
1652 | } |
1413 | |
1653 | |
1414 | int |
1654 | int |
1415 | poll_fileno() |
1655 | poll_fileno() |
1416 | PROTOTYPE: |
1656 | PROTOTYPE: |
… | |
… | |
1440 | CODE: |
1680 | CODE: |
1441 | RETVAL = nreqs; |
1681 | RETVAL = nreqs; |
1442 | OUTPUT: |
1682 | OUTPUT: |
1443 | RETVAL |
1683 | RETVAL |
1444 | |
1684 | |
|
|
1685 | int |
|
|
1686 | nready() |
|
|
1687 | PROTOTYPE: |
|
|
1688 | CODE: |
|
|
1689 | RETVAL = get_nready (); |
|
|
1690 | OUTPUT: |
|
|
1691 | RETVAL |
|
|
1692 | |
|
|
1693 | int |
|
|
1694 | npending() |
|
|
1695 | PROTOTYPE: |
|
|
1696 | CODE: |
|
|
1697 | RETVAL = get_npending (); |
|
|
1698 | OUTPUT: |
|
|
1699 | RETVAL |
|
|
1700 | |
|
|
1701 | int |
|
|
1702 | nthreads() |
|
|
1703 | PROTOTYPE: |
|
|
1704 | CODE: |
|
|
1705 | if (WORDACCESS_UNSAFE) LOCK (wrklock); |
|
|
1706 | RETVAL = started; |
|
|
1707 | if (WORDACCESS_UNSAFE) UNLOCK (wrklock); |
|
|
1708 | OUTPUT: |
|
|
1709 | RETVAL |
|
|
1710 | |
1445 | PROTOTYPES: DISABLE |
1711 | PROTOTYPES: DISABLE |
1446 | |
1712 | |
1447 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1713 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1448 | |
1714 | |
1449 | void |
1715 | void |
… | |
… | |
1464 | PPCODE: |
1730 | PPCODE: |
1465 | { |
1731 | { |
1466 | int i; |
1732 | int i; |
1467 | aio_req req; |
1733 | aio_req req; |
1468 | |
1734 | |
1469 | if (grp->fd == 2) |
1735 | if (grp->int1 == 2) |
1470 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1736 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1471 | |
1737 | |
1472 | for (i = 1; i < items; ++i ) |
1738 | for (i = 1; i < items; ++i ) |
1473 | { |
1739 | { |
1474 | if (GIMME_V != G_VOID) |
1740 | if (GIMME_V != G_VOID) |
… | |
… | |
1476 | |
1742 | |
1477 | req = SvAIO_REQ (ST (i)); |
1743 | req = SvAIO_REQ (ST (i)); |
1478 | |
1744 | |
1479 | if (req) |
1745 | if (req) |
1480 | { |
1746 | { |
1481 | ++grp->length; |
1747 | ++grp->size; |
1482 | req->grp = grp; |
1748 | req->grp = grp; |
1483 | |
1749 | |
1484 | req->grp_prev = 0; |
1750 | req->grp_prev = 0; |
1485 | req->grp_next = grp->grp_first; |
1751 | req->grp_next = grp->grp_first; |
1486 | |
1752 | |
… | |
… | |
1500 | void |
1766 | void |
1501 | result (aio_req grp, ...) |
1767 | result (aio_req grp, ...) |
1502 | CODE: |
1768 | CODE: |
1503 | { |
1769 | { |
1504 | int i; |
1770 | int i; |
|
|
1771 | AV *av; |
|
|
1772 | |
|
|
1773 | grp->errorno = errno; |
|
|
1774 | |
1505 | AV *av = newAV (); |
1775 | av = newAV (); |
1506 | |
1776 | |
1507 | for (i = 1; i < items; ++i ) |
1777 | for (i = 1; i < items; ++i ) |
1508 | av_push (av, newSVsv (ST (i))); |
1778 | av_push (av, newSVsv (ST (i))); |
1509 | |
1779 | |
1510 | SvREFCNT_dec (grp->data); |
1780 | SvREFCNT_dec (grp->sv1); |
1511 | grp->data = (SV *)av; |
1781 | grp->sv1 = (SV *)av; |
1512 | } |
1782 | } |
|
|
1783 | |
|
|
1784 | void |
|
|
1785 | errno (aio_req grp, int errorno = errno) |
|
|
1786 | CODE: |
|
|
1787 | grp->errorno = errorno; |
1513 | |
1788 | |
1514 | void |
1789 | void |
1515 | limit (aio_req grp, int limit) |
1790 | limit (aio_req grp, int limit) |
1516 | CODE: |
1791 | CODE: |
1517 | grp->fd2 = limit; |
1792 | grp->int2 = limit; |
1518 | aio_grp_feed (grp); |
1793 | aio_grp_feed (grp); |
1519 | |
1794 | |
1520 | void |
1795 | void |
1521 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1796 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1522 | CODE: |
1797 | CODE: |
1523 | { |
1798 | { |
1524 | SvREFCNT_dec (grp->fh2); |
1799 | SvREFCNT_dec (grp->sv2); |
1525 | grp->fh2 = newSVsv (callback); |
1800 | grp->sv2 = newSVsv (callback); |
1526 | |
1801 | |
1527 | if (grp->fd2 <= 0) |
1802 | if (grp->int2 <= 0) |
1528 | grp->fd2 = 2; |
1803 | grp->int2 = 2; |
1529 | |
1804 | |
1530 | aio_grp_feed (grp); |
1805 | aio_grp_feed (grp); |
1531 | } |
1806 | } |
1532 | |
1807 | |