1 | #include "xthread.h" |
1 | #include "libeio/xthread.h" |
2 | |
2 | |
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" |
… | |
… | |
15 | #include <fcntl.h> |
15 | #include <fcntl.h> |
16 | #include <sched.h> |
16 | #include <sched.h> |
17 | |
17 | |
18 | #ifdef _WIN32 |
18 | #ifdef _WIN32 |
19 | |
19 | |
20 | # define SIGIO 0 |
20 | # define EIO_STRUCT_DIRENT Direntry_t |
21 | typedef Direntry_t X_DIRENT; |
|
|
22 | #undef malloc |
21 | # undef malloc |
23 | #undef free |
22 | # undef free |
24 | |
23 | |
25 | // perl overrides all those nice win32 functions |
24 | // perl overrides all those nice win32 functions |
26 | # undef open |
25 | # undef open |
27 | # undef read |
26 | # undef read |
28 | # undef write |
27 | # undef write |
… | |
… | |
54 | # define closedir(fd) (errno = ENOSYS, -1) |
53 | # define closedir(fd) (errno = ENOSYS, -1) |
55 | # define mkdir(a,b) mkdir (a) |
54 | # define mkdir(a,b) mkdir (a) |
56 | |
55 | |
57 | #else |
56 | #else |
58 | |
57 | |
59 | # include "autoconf/config.h" |
|
|
60 | # include <sys/time.h> |
58 | # include <sys/time.h> |
61 | # include <sys/select.h> |
59 | # include <sys/select.h> |
62 | # include <unistd.h> |
60 | # include <unistd.h> |
63 | # include <utime.h> |
61 | # include <utime.h> |
64 | # include <signal.h> |
62 | # include <signal.h> |
65 | typedef struct dirent X_DIRENT; |
63 | # define EIO_STRUCT_DIRENT struct dirent |
66 | |
64 | |
67 | #endif |
65 | #endif |
68 | |
66 | |
69 | #if HAVE_SENDFILE |
67 | #define EIO_STRUCT_STAT Stat_t |
70 | # if __linux |
|
|
71 | # include <sys/sendfile.h> |
|
|
72 | # elif __freebsd |
|
|
73 | # include <sys/socket.h> |
|
|
74 | # include <sys/uio.h> |
|
|
75 | # elif __hpux |
|
|
76 | # include <sys/socket.h> |
|
|
77 | # elif __solaris /* not yet */ |
|
|
78 | # include <sys/sendfile.h> |
|
|
79 | # else |
|
|
80 | # error sendfile support requested but not available |
|
|
81 | # endif |
|
|
82 | #endif |
|
|
83 | |
|
|
84 | /* number of seconds after which idle threads exit */ |
|
|
85 | #define IDLE_TIMEOUT 10 |
|
|
86 | |
|
|
87 | /* used for struct dirent, AIX doesn't provide it */ |
|
|
88 | #ifndef NAME_MAX |
|
|
89 | # define NAME_MAX 4096 |
|
|
90 | #endif |
|
|
91 | |
|
|
92 | /* buffer size for various temporary buffers */ |
|
|
93 | #define AIO_BUFSIZE 65536 |
|
|
94 | |
68 | |
95 | /* use NV for 32 bit perls as it allows larger offsets */ |
69 | /* use NV for 32 bit perls as it allows larger offsets */ |
96 | #if IVSIZE >= 8 |
70 | #if IVSIZE >= 8 |
97 | # define SvVAL64 SvIV |
71 | # define SvVAL64 SvIV |
98 | #else |
72 | #else |
99 | # define SvVAL64 SvNV |
73 | # define SvVAL64 SvNV |
100 | #endif |
74 | #endif |
101 | |
75 | |
102 | #define dBUF \ |
76 | static HV *stash; |
103 | char *aio_buf; \ |
|
|
104 | X_LOCK (wrklock); \ |
|
|
105 | self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \ |
|
|
106 | X_UNLOCK (wrklock); \ |
|
|
107 | if (!aio_buf) \ |
|
|
108 | return -1; |
|
|
109 | |
|
|
110 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
77 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
111 | |
|
|
112 | enum { |
|
|
113 | REQ_QUIT, |
|
|
114 | REQ_OPEN, REQ_CLOSE, |
|
|
115 | REQ_READ, REQ_WRITE, |
|
|
116 | REQ_READAHEAD, REQ_SENDFILE, |
|
|
117 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
|
|
118 | REQ_TRUNCATE, REQ_FTRUNCATE, |
|
|
119 | REQ_UTIME, REQ_FUTIME, |
|
|
120 | REQ_CHMOD, REQ_FCHMOD, |
|
|
121 | REQ_CHOWN, REQ_FCHOWN, |
|
|
122 | REQ_FSYNC, REQ_FDATASYNC, |
|
|
123 | REQ_UNLINK, REQ_RMDIR, REQ_MKDIR, REQ_RENAME, |
|
|
124 | REQ_MKNOD, REQ_READDIR, |
|
|
125 | REQ_LINK, REQ_SYMLINK, REQ_READLINK, |
|
|
126 | REQ_GROUP, REQ_NOP, |
|
|
127 | REQ_BUSY, |
|
|
128 | }; |
|
|
129 | |
78 | |
130 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
79 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
131 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
80 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
132 | |
81 | |
133 | typedef struct aio_cb |
82 | #define EIO_COMMON \ |
134 | { |
|
|
135 | struct aio_cb *volatile next; |
|
|
136 | |
|
|
137 | SV *callback; |
83 | SV *callback; \ |
138 | SV *sv1, *sv2; |
84 | SV *sv1, *sv2; \ |
139 | void *ptr1, *ptr2; |
|
|
140 | off_t offs; |
|
|
141 | size_t size; |
|
|
142 | ssize_t result; |
|
|
143 | double nv1, nv2; |
|
|
144 | |
|
|
145 | STRLEN stroffset; |
85 | STRLEN stroffset; \ |
146 | int type; |
86 | SV *self |
147 | int int1, int2, int3; |
|
|
148 | int errorno; |
|
|
149 | mode_t mode; /* open */ |
|
|
150 | |
87 | |
151 | unsigned char flags; |
88 | #include "libeio/eio.h" |
152 | unsigned char pri; |
|
|
153 | |
89 | |
154 | SV *self; /* the perl counterpart of this request, if any */ |
90 | static int req_invoke (eio_req *req); |
155 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
91 | #define EIO_FINISH(req) req_invoke (req) |
156 | } aio_cb; |
92 | static void aio_grp_feed (eio_req *grp); |
|
|
93 | #define EIO_FEED(req) aio_grp_feed (req) |
|
|
94 | static void req_destroy (eio_req *grp); |
|
|
95 | #define EIO_DESTROY(req) req_destroy (req) |
157 | |
96 | |
158 | enum { |
97 | enum { |
159 | FLAG_CANCELLED = 0x01, /* request was cancelled */ |
|
|
160 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
98 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
161 | FLAG_PTR2_FREE = 0x80, /* need to free(ptr2) */ |
|
|
162 | }; |
99 | }; |
163 | |
100 | |
|
|
101 | #include "libeio/eio.c" |
|
|
102 | |
164 | typedef aio_cb *aio_req; |
103 | typedef eio_req *aio_req; |
165 | typedef aio_cb *aio_req_ornot; |
104 | typedef eio_req *aio_req_ornot; |
166 | |
105 | |
167 | enum { |
106 | static SV *on_next_submit; |
168 | PRI_MIN = -4, |
|
|
169 | PRI_MAX = 4, |
|
|
170 | |
|
|
171 | DEFAULT_PRI = 0, |
|
|
172 | PRI_BIAS = -PRI_MIN, |
|
|
173 | NUM_PRI = PRI_MAX + PRI_BIAS + 1, |
|
|
174 | }; |
|
|
175 | |
|
|
176 | #define AIO_TICKS ((1000000 + 1023) >> 10) |
|
|
177 | |
|
|
178 | static unsigned int max_poll_time = 0; |
|
|
179 | static unsigned int max_poll_reqs = 0; |
|
|
180 | |
|
|
181 | /* calculcate time difference in ~1/AIO_TICKS of a second */ |
|
|
182 | static int tvdiff (struct timeval *tv1, struct timeval *tv2) |
|
|
183 | { |
|
|
184 | return (tv2->tv_sec - tv1->tv_sec ) * AIO_TICKS |
|
|
185 | + ((tv2->tv_usec - tv1->tv_usec) >> 10); |
|
|
186 | } |
|
|
187 | |
|
|
188 | static thread_t main_tid; |
|
|
189 | static int main_sig; |
|
|
190 | static int block_sig_level; |
|
|
191 | |
|
|
192 | void block_sig () |
|
|
193 | { |
|
|
194 | sigset_t ss; |
|
|
195 | |
|
|
196 | if (block_sig_level++) |
|
|
197 | return; |
|
|
198 | |
|
|
199 | if (!main_sig) |
|
|
200 | return; |
|
|
201 | |
|
|
202 | sigemptyset (&ss); |
|
|
203 | sigaddset (&ss, main_sig); |
|
|
204 | pthread_sigmask (SIG_BLOCK, &ss, 0); |
|
|
205 | } |
|
|
206 | |
|
|
207 | void unblock_sig () |
|
|
208 | { |
|
|
209 | sigset_t ss; |
|
|
210 | |
|
|
211 | if (--block_sig_level) |
|
|
212 | return; |
|
|
213 | |
|
|
214 | if (!main_sig) |
|
|
215 | return; |
|
|
216 | |
|
|
217 | sigemptyset (&ss); |
|
|
218 | sigaddset (&ss, main_sig); |
|
|
219 | pthread_sigmask (SIG_UNBLOCK, &ss, 0); |
|
|
220 | } |
|
|
221 | |
|
|
222 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
107 | static int next_pri = EIO_DEFAULT_PRI + EIO_PRI_BIAS; |
|
|
108 | static int max_outstanding; |
223 | |
109 | |
224 | static unsigned int started, idle, wanted; |
|
|
225 | |
|
|
226 | /* worker threads management */ |
|
|
227 | static mutex_t wrklock = X_MUTEX_INIT; |
|
|
228 | |
|
|
229 | typedef struct worker { |
|
|
230 | /* locked by wrklock */ |
|
|
231 | struct worker *prev, *next; |
|
|
232 | |
|
|
233 | thread_t tid; |
|
|
234 | |
|
|
235 | /* locked by reslock, reqlock or wrklock */ |
|
|
236 | aio_req req; /* currently processed request */ |
|
|
237 | void *dbuf; |
|
|
238 | DIR *dirp; |
|
|
239 | } worker; |
|
|
240 | |
|
|
241 | static worker wrk_first = { &wrk_first, &wrk_first, 0 }; |
|
|
242 | |
|
|
243 | static void worker_clear (worker *wrk) |
|
|
244 | { |
|
|
245 | if (wrk->dirp) |
|
|
246 | { |
|
|
247 | closedir (wrk->dirp); |
|
|
248 | wrk->dirp = 0; |
|
|
249 | } |
|
|
250 | |
|
|
251 | if (wrk->dbuf) |
|
|
252 | { |
|
|
253 | free (wrk->dbuf); |
|
|
254 | wrk->dbuf = 0; |
|
|
255 | } |
|
|
256 | } |
|
|
257 | |
|
|
258 | static void worker_free (worker *wrk) |
|
|
259 | { |
|
|
260 | wrk->next->prev = wrk->prev; |
|
|
261 | wrk->prev->next = wrk->next; |
|
|
262 | |
|
|
263 | free (wrk); |
|
|
264 | } |
|
|
265 | |
|
|
266 | static volatile unsigned int nreqs, nready, npending; |
|
|
267 | static volatile unsigned int max_idle = 4; |
|
|
268 | static volatile unsigned int max_outstanding = 0xffffffff; |
|
|
269 | static int respipe_osf [2], respipe [2] = { -1, -1 }; |
110 | static int respipe_osf [2], respipe [2] = { -1, -1 }; |
270 | |
111 | |
271 | static mutex_t reslock = X_MUTEX_INIT; |
|
|
272 | static mutex_t reqlock = X_MUTEX_INIT; |
|
|
273 | static cond_t reqwait = X_COND_INIT; |
|
|
274 | |
|
|
275 | #if WORDACCESS_UNSAFE |
|
|
276 | |
|
|
277 | static unsigned int get_nready () |
|
|
278 | { |
|
|
279 | unsigned int retval; |
|
|
280 | |
|
|
281 | X_LOCK (reqlock); |
|
|
282 | retval = nready; |
|
|
283 | X_UNLOCK (reqlock); |
|
|
284 | |
|
|
285 | return retval; |
|
|
286 | } |
|
|
287 | |
|
|
288 | static unsigned int get_npending () |
|
|
289 | { |
|
|
290 | unsigned int retval; |
|
|
291 | |
|
|
292 | X_LOCK (reslock); |
|
|
293 | retval = npending; |
|
|
294 | X_UNLOCK (reslock); |
|
|
295 | |
|
|
296 | return retval; |
|
|
297 | } |
|
|
298 | |
|
|
299 | static unsigned int get_nthreads () |
|
|
300 | { |
|
|
301 | unsigned int retval; |
|
|
302 | |
|
|
303 | X_LOCK (wrklock); |
|
|
304 | retval = started; |
|
|
305 | X_UNLOCK (wrklock); |
|
|
306 | |
|
|
307 | return retval; |
|
|
308 | } |
|
|
309 | |
|
|
310 | #else |
|
|
311 | |
|
|
312 | # define get_nready() nready |
|
|
313 | # define get_npending() npending |
|
|
314 | # define get_nthreads() started |
|
|
315 | |
|
|
316 | #endif |
|
|
317 | |
|
|
318 | /* |
|
|
319 | * a somewhat faster data structure might be nice, but |
|
|
320 | * with 8 priorities this actually needs <20 insns |
|
|
321 | * per shift, the most expensive operation. |
|
|
322 | */ |
|
|
323 | typedef struct { |
|
|
324 | aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */ |
|
|
325 | int size; |
|
|
326 | } reqq; |
|
|
327 | |
|
|
328 | static reqq req_queue; |
|
|
329 | static reqq res_queue; |
|
|
330 | |
|
|
331 | int reqq_push (reqq *q, aio_req req) |
|
|
332 | { |
|
|
333 | int pri = req->pri; |
|
|
334 | req->next = 0; |
|
|
335 | |
|
|
336 | if (q->qe[pri]) |
|
|
337 | { |
|
|
338 | q->qe[pri]->next = req; |
|
|
339 | q->qe[pri] = req; |
|
|
340 | } |
|
|
341 | else |
|
|
342 | q->qe[pri] = q->qs[pri] = req; |
|
|
343 | |
|
|
344 | return q->size++; |
|
|
345 | } |
|
|
346 | |
|
|
347 | aio_req reqq_shift (reqq *q) |
|
|
348 | { |
|
|
349 | int pri; |
|
|
350 | |
|
|
351 | if (!q->size) |
|
|
352 | return 0; |
|
|
353 | |
|
|
354 | --q->size; |
|
|
355 | |
|
|
356 | for (pri = NUM_PRI; pri--; ) |
|
|
357 | { |
|
|
358 | aio_req req = q->qs[pri]; |
|
|
359 | |
|
|
360 | if (req) |
|
|
361 | { |
|
|
362 | if (!(q->qs[pri] = req->next)) |
|
|
363 | q->qe[pri] = 0; |
|
|
364 | |
|
|
365 | return req; |
|
|
366 | } |
|
|
367 | } |
|
|
368 | |
|
|
369 | abort (); |
|
|
370 | } |
|
|
371 | |
|
|
372 | static int poll_cb (); |
|
|
373 | static int req_invoke (aio_req req); |
|
|
374 | static void req_destroy (aio_req req); |
112 | static void req_destroy (aio_req req); |
375 | static void req_cancel (aio_req req); |
113 | static void req_cancel (aio_req req); |
|
|
114 | |
|
|
115 | static void want_poll (void) |
|
|
116 | { |
|
|
117 | /* write a dummy byte to the pipe so fh becomes ready */ |
|
|
118 | respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); |
|
|
119 | } |
|
|
120 | |
|
|
121 | static void done_poll (void) |
|
|
122 | { |
|
|
123 | /* read any signals sent by the worker threads */ |
|
|
124 | char buf [4]; |
|
|
125 | while (respipe_read (respipe [0], buf, 4) == 4) |
|
|
126 | ; |
|
|
127 | } |
376 | |
128 | |
377 | /* must be called at most once */ |
129 | /* must be called at most once */ |
378 | static SV *req_sv (aio_req req, const char *klass) |
130 | static SV *req_sv (aio_req req, const char *klass) |
379 | { |
131 | { |
380 | if (!req->self) |
132 | if (!req->self) |
… | |
… | |
398 | return mg ? (aio_req)mg->mg_ptr : 0; |
150 | return mg ? (aio_req)mg->mg_ptr : 0; |
399 | } |
151 | } |
400 | |
152 | |
401 | static void aio_grp_feed (aio_req grp) |
153 | static void aio_grp_feed (aio_req grp) |
402 | { |
154 | { |
403 | block_sig (); |
155 | if (grp->sv2 && SvOK (grp->sv2)) |
404 | |
|
|
405 | while (grp->size < grp->int2 && !(grp->flags & FLAG_CANCELLED)) |
|
|
406 | { |
156 | { |
407 | int old_len = grp->size; |
|
|
408 | |
|
|
409 | if (grp->sv2 && SvOK (grp->sv2)) |
|
|
410 | { |
|
|
411 | dSP; |
157 | dSP; |
412 | |
158 | |
413 | ENTER; |
159 | ENTER; |
414 | SAVETMPS; |
160 | SAVETMPS; |
415 | PUSHMARK (SP); |
161 | PUSHMARK (SP); |
416 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
162 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
417 | PUTBACK; |
163 | PUTBACK; |
418 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
164 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
419 | SPAGAIN; |
165 | SPAGAIN; |
420 | FREETMPS; |
166 | FREETMPS; |
421 | LEAVE; |
167 | LEAVE; |
422 | } |
|
|
423 | |
|
|
424 | /* stop if no progress has been made */ |
|
|
425 | if (old_len == grp->size) |
|
|
426 | { |
|
|
427 | SvREFCNT_dec (grp->sv2); |
|
|
428 | grp->sv2 = 0; |
|
|
429 | break; |
|
|
430 | } |
|
|
431 | } |
168 | } |
432 | |
|
|
433 | unblock_sig (); |
|
|
434 | } |
169 | } |
435 | |
170 | |
436 | static void aio_grp_dec (aio_req grp) |
171 | static void req_submit (eio_req *req) |
437 | { |
172 | { |
438 | --grp->size; |
173 | eio_submit (req); |
439 | |
174 | |
440 | /* call feeder, if applicable */ |
175 | if (on_next_submit) |
441 | aio_grp_feed (grp); |
|
|
442 | |
|
|
443 | /* finish, if done */ |
|
|
444 | if (!grp->size && grp->int1) |
|
|
445 | { |
176 | { |
446 | block_sig (); |
177 | dSP; |
|
|
178 | SV *cb = sv_2mortal (on_next_submit); |
447 | |
179 | |
448 | if (!req_invoke (grp)) |
180 | on_next_submit = 0; |
449 | { |
|
|
450 | req_destroy (grp); |
|
|
451 | unblock_sig (); |
|
|
452 | croak (0); |
|
|
453 | } |
|
|
454 | |
181 | |
455 | req_destroy (grp); |
182 | PUSHMARK (SP); |
456 | unblock_sig (); |
183 | PUTBACK; |
|
|
184 | call_sv (cb, G_DISCARD | G_EVAL); |
457 | } |
185 | } |
458 | } |
186 | } |
459 | |
187 | |
460 | static int req_invoke (aio_req req) |
188 | static int req_invoke (eio_req *req) |
461 | { |
189 | { |
462 | dSP; |
190 | dSP; |
463 | |
191 | |
464 | if (req->flags & FLAG_SV2_RO_OFF) |
192 | if (req->flags & FLAG_SV2_RO_OFF) |
465 | SvREADONLY_off (req->sv2); |
193 | SvREADONLY_off (req->sv2); |
466 | |
194 | |
467 | if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback)) |
195 | if (!EIO_CANCELLED (req) && SvOK (req->callback)) |
468 | { |
196 | { |
469 | ENTER; |
197 | ENTER; |
470 | SAVETMPS; |
198 | SAVETMPS; |
471 | PUSHMARK (SP); |
199 | PUSHMARK (SP); |
472 | EXTEND (SP, 1); |
200 | EXTEND (SP, 1); |
473 | |
201 | |
474 | switch (req->type) |
202 | switch (req->type) |
475 | { |
203 | { |
476 | case REQ_READDIR: |
204 | case EIO_READDIR: |
477 | { |
205 | { |
478 | SV *rv = &PL_sv_undef; |
206 | SV *rv = &PL_sv_undef; |
479 | |
207 | |
480 | if (req->result >= 0) |
208 | if (req->result >= 0) |
481 | { |
209 | { |
… | |
… | |
498 | |
226 | |
499 | PUSHs (rv); |
227 | PUSHs (rv); |
500 | } |
228 | } |
501 | break; |
229 | break; |
502 | |
230 | |
503 | case REQ_OPEN: |
231 | case EIO_OPEN: |
504 | { |
232 | { |
505 | /* convert fd to fh */ |
233 | /* convert fd to fh */ |
506 | SV *fh; |
234 | SV *fh = &PL_sv_undef; |
507 | |
235 | |
508 | PUSHs (sv_2mortal (newSViv (req->result))); |
236 | if (req->result >= 0) |
509 | PUTBACK; |
237 | { |
510 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
238 | GV *gv = (GV *)sv_newmortal (); |
511 | SPAGAIN; |
239 | int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); |
|
|
240 | char sym [64]; |
|
|
241 | int symlen; |
|
|
242 | |
|
|
243 | symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result); |
|
|
244 | gv_init (gv, stash, sym, symlen, 0); |
512 | |
245 | |
513 | fh = POPs; |
246 | symlen = snprintf ( |
514 | PUSHMARK (SP); |
247 | sym, |
|
|
248 | sizeof (sym), |
|
|
249 | "%s&=%d", |
|
|
250 | flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<", |
|
|
251 | req->result |
|
|
252 | ); |
|
|
253 | |
|
|
254 | if (do_open (gv, sym, symlen, 0, 0, 0, 0)) |
|
|
255 | fh = (SV *)gv; |
|
|
256 | } |
|
|
257 | |
515 | XPUSHs (fh); |
258 | PUSHs (fh); |
516 | } |
259 | } |
517 | break; |
260 | break; |
518 | |
261 | |
519 | case REQ_GROUP: |
262 | case EIO_GROUP: |
520 | req->int1 = 2; /* mark group as finished */ |
263 | req->int1 = 2; /* mark group as finished */ |
521 | |
264 | |
522 | if (req->sv1) |
265 | if (req->sv1) |
523 | { |
266 | { |
524 | int i; |
267 | int i; |
… | |
… | |
528 | for (i = 0; i <= AvFILL (av); ++i) |
271 | for (i = 0; i <= AvFILL (av); ++i) |
529 | PUSHs (*av_fetch (av, i, 0)); |
272 | PUSHs (*av_fetch (av, i, 0)); |
530 | } |
273 | } |
531 | break; |
274 | break; |
532 | |
275 | |
533 | case REQ_NOP: |
276 | case EIO_NOP: |
534 | case REQ_BUSY: |
277 | case EIO_BUSY: |
535 | break; |
278 | break; |
536 | |
279 | |
537 | case REQ_READLINK: |
280 | case EIO_READLINK: |
538 | if (req->result > 0) |
281 | if (req->result > 0) |
539 | { |
282 | { |
540 | SvCUR_set (req->sv2, req->result); |
283 | SvCUR_set (req->sv2, req->result); |
541 | *SvEND (req->sv2) = 0; |
284 | *SvEND (req->sv2) = 0; |
542 | PUSHs (req->sv2); |
285 | PUSHs (req->sv2); |
543 | } |
286 | } |
544 | break; |
287 | break; |
545 | |
288 | |
546 | case REQ_STAT: |
289 | case EIO_STAT: |
547 | case REQ_LSTAT: |
290 | case EIO_LSTAT: |
548 | case REQ_FSTAT: |
291 | case EIO_FSTAT: |
549 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
292 | PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
550 | PL_laststatval = req->result; |
293 | PL_laststatval = req->result; |
551 | PL_statcache = *(Stat_t *)(req->ptr2); |
294 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
552 | PUSHs (sv_2mortal (newSViv (req->result))); |
295 | PUSHs (sv_2mortal (newSViv (req->result))); |
553 | break; |
296 | break; |
554 | |
297 | |
555 | case REQ_READ: |
298 | case EIO_READ: |
556 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
299 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
557 | *SvEND (req->sv2) = 0; |
300 | *SvEND (req->sv2) = 0; |
558 | PUSHs (sv_2mortal (newSViv (req->result))); |
301 | PUSHs (sv_2mortal (newSViv (req->result))); |
559 | break; |
302 | break; |
560 | |
303 | |
|
|
304 | case EIO_DUP2: |
|
|
305 | if (req->result > 0) |
|
|
306 | req->result = 0; |
|
|
307 | /* FALLTHROUGH */ |
|
|
308 | |
561 | default: |
309 | default: |
562 | PUSHs (sv_2mortal (newSViv (req->result))); |
310 | PUSHs (sv_2mortal (newSViv (req->result))); |
563 | break; |
311 | break; |
564 | } |
312 | } |
565 | |
313 | |
566 | errno = req->errorno; |
314 | errno = req->errorno; |
567 | |
315 | |
568 | PUTBACK; |
316 | PUTBACK; |
569 | call_sv (req->callback, G_VOID | G_EVAL); |
317 | call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
570 | SPAGAIN; |
318 | SPAGAIN; |
571 | |
319 | |
572 | FREETMPS; |
320 | FREETMPS; |
573 | LEAVE; |
321 | LEAVE; |
|
|
322 | |
|
|
323 | PUTBACK; |
574 | } |
324 | } |
575 | |
325 | |
576 | if (req->grp) |
|
|
577 | { |
|
|
578 | aio_req grp = req->grp; |
|
|
579 | |
|
|
580 | /* unlink request */ |
|
|
581 | if (req->grp_next) req->grp_next->grp_prev = req->grp_prev; |
|
|
582 | if (req->grp_prev) req->grp_prev->grp_next = req->grp_next; |
|
|
583 | |
|
|
584 | if (grp->grp_first == req) |
|
|
585 | grp->grp_first = req->grp_next; |
|
|
586 | |
|
|
587 | aio_grp_dec (grp); |
|
|
588 | } |
|
|
589 | |
|
|
590 | return !SvTRUE (ERRSV); |
326 | return !!SvTRUE (ERRSV); |
591 | } |
327 | } |
592 | |
328 | |
593 | static void req_destroy (aio_req req) |
329 | static void req_destroy (aio_req req) |
594 | { |
330 | { |
595 | if (req->self) |
331 | if (req->self) |
… | |
… | |
600 | |
336 | |
601 | SvREFCNT_dec (req->sv1); |
337 | SvREFCNT_dec (req->sv1); |
602 | SvREFCNT_dec (req->sv2); |
338 | SvREFCNT_dec (req->sv2); |
603 | SvREFCNT_dec (req->callback); |
339 | SvREFCNT_dec (req->callback); |
604 | |
340 | |
605 | if (req->flags & FLAG_PTR2_FREE) |
|
|
606 | free (req->ptr2); |
|
|
607 | |
|
|
608 | Safefree (req); |
341 | Safefree (req); |
609 | } |
342 | } |
610 | |
343 | |
611 | static void req_cancel_subs (aio_req grp) |
344 | static void req_cancel_subs (aio_req grp) |
612 | { |
345 | { |
613 | aio_req sub; |
346 | aio_req sub; |
614 | |
347 | |
615 | if (grp->type != REQ_GROUP) |
348 | if (grp->type != EIO_GROUP) |
616 | return; |
349 | return; |
617 | |
350 | |
618 | SvREFCNT_dec (grp->sv2); |
351 | SvREFCNT_dec (grp->sv2); |
619 | grp->sv2 = 0; |
352 | grp->sv2 = 0; |
620 | |
353 | |
621 | for (sub = grp->grp_first; sub; sub = sub->grp_next) |
354 | eio_grp_cancel (grp); |
622 | req_cancel (sub); |
|
|
623 | } |
|
|
624 | |
|
|
625 | static void req_cancel (aio_req req) |
|
|
626 | { |
|
|
627 | req->flags |= FLAG_CANCELLED; |
|
|
628 | |
|
|
629 | req_cancel_subs (req); |
|
|
630 | } |
355 | } |
631 | |
356 | |
632 | #ifdef USE_SOCKETS_AS_HANDLES |
357 | #ifdef USE_SOCKETS_AS_HANDLES |
633 | # define TO_SOCKET(x) (win32_get_osfhandle (x)) |
358 | # define TO_SOCKET(x) (win32_get_osfhandle (x)) |
634 | #else |
359 | #else |
635 | # define TO_SOCKET(x) (x) |
360 | # define TO_SOCKET(x) (x) |
636 | #endif |
361 | #endif |
637 | |
362 | |
638 | static void |
363 | static void |
639 | create_respipe () |
364 | create_respipe (void) |
640 | { |
365 | { |
641 | int old_readfd = respipe [0]; |
366 | int old_readfd = respipe [0]; |
642 | |
367 | |
643 | if (respipe [1] >= 0) |
368 | if (respipe [1] >= 0) |
644 | respipe_close (TO_SOCKET (respipe [1])); |
369 | respipe_close (TO_SOCKET (respipe [1])); |
… | |
… | |
671 | |
396 | |
672 | respipe_osf [0] = TO_SOCKET (respipe [0]); |
397 | respipe_osf [0] = TO_SOCKET (respipe [0]); |
673 | respipe_osf [1] = TO_SOCKET (respipe [1]); |
398 | respipe_osf [1] = TO_SOCKET (respipe [1]); |
674 | } |
399 | } |
675 | |
400 | |
676 | X_THREAD_PROC (aio_proc); |
|
|
677 | |
|
|
678 | static void start_thread (void) |
|
|
679 | { |
|
|
680 | worker *wrk = calloc (1, sizeof (worker)); |
|
|
681 | |
|
|
682 | if (!wrk) |
|
|
683 | croak ("unable to allocate worker thread data"); |
|
|
684 | |
|
|
685 | X_LOCK (wrklock); |
|
|
686 | |
|
|
687 | if (thread_create (&wrk->tid, aio_proc, (void *)wrk)) |
|
|
688 | { |
|
|
689 | wrk->prev = &wrk_first; |
|
|
690 | wrk->next = wrk_first.next; |
|
|
691 | wrk_first.next->prev = wrk; |
|
|
692 | wrk_first.next = wrk; |
|
|
693 | ++started; |
|
|
694 | } |
|
|
695 | else |
|
|
696 | free (wrk); |
|
|
697 | |
|
|
698 | X_UNLOCK (wrklock); |
|
|
699 | } |
|
|
700 | |
|
|
701 | static void maybe_start_thread () |
|
|
702 | { |
|
|
703 | if (get_nthreads () >= wanted) |
|
|
704 | return; |
|
|
705 | |
|
|
706 | /* todo: maybe use idle here, but might be less exact */ |
|
|
707 | if (0 <= (int)get_nthreads () + (int)get_npending () - (int)nreqs) |
|
|
708 | return; |
|
|
709 | |
|
|
710 | start_thread (); |
|
|
711 | } |
|
|
712 | |
|
|
713 | static void req_send (aio_req req) |
|
|
714 | { |
|
|
715 | block_sig (); |
|
|
716 | |
|
|
717 | ++nreqs; |
|
|
718 | |
|
|
719 | X_LOCK (reqlock); |
|
|
720 | ++nready; |
|
|
721 | reqq_push (&req_queue, req); |
|
|
722 | X_COND_SIGNAL (reqwait); |
|
|
723 | X_UNLOCK (reqlock); |
|
|
724 | |
|
|
725 | unblock_sig (); |
|
|
726 | |
|
|
727 | maybe_start_thread (); |
|
|
728 | } |
|
|
729 | |
|
|
730 | static void end_thread (void) |
|
|
731 | { |
|
|
732 | aio_req req; |
|
|
733 | |
|
|
734 | Newz (0, req, 1, aio_cb); |
|
|
735 | |
|
|
736 | req->type = REQ_QUIT; |
|
|
737 | req->pri = PRI_MAX + PRI_BIAS; |
|
|
738 | |
|
|
739 | X_LOCK (reqlock); |
|
|
740 | reqq_push (&req_queue, req); |
|
|
741 | X_COND_SIGNAL (reqwait); |
|
|
742 | X_UNLOCK (reqlock); |
|
|
743 | |
|
|
744 | X_LOCK (wrklock); |
|
|
745 | --started; |
|
|
746 | X_UNLOCK (wrklock); |
|
|
747 | } |
|
|
748 | |
|
|
749 | static void set_max_idle (int nthreads) |
|
|
750 | { |
|
|
751 | if (WORDACCESS_UNSAFE) X_LOCK (reqlock); |
|
|
752 | max_idle = nthreads <= 0 ? 1 : nthreads; |
|
|
753 | if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock); |
|
|
754 | } |
|
|
755 | |
|
|
756 | static void min_parallel (int nthreads) |
|
|
757 | { |
|
|
758 | if (wanted < nthreads) |
|
|
759 | wanted = nthreads; |
|
|
760 | } |
|
|
761 | |
|
|
762 | static void max_parallel (int nthreads) |
|
|
763 | { |
|
|
764 | if (wanted > nthreads) |
|
|
765 | wanted = nthreads; |
|
|
766 | |
|
|
767 | while (started > wanted) |
|
|
768 | end_thread (); |
|
|
769 | } |
|
|
770 | |
|
|
771 | static void poll_wait () |
401 | static void poll_wait (void) |
772 | { |
402 | { |
773 | fd_set rfd; |
403 | fd_set rfd; |
774 | |
404 | |
775 | while (nreqs) |
405 | while (eio_nreqs ()) |
776 | { |
406 | { |
777 | int size; |
407 | int size; |
778 | if (WORDACCESS_UNSAFE) X_LOCK (reslock); |
408 | |
|
|
409 | X_LOCK (reslock); |
779 | size = res_queue.size; |
410 | size = res_queue.size; |
780 | if (WORDACCESS_UNSAFE) X_UNLOCK (reslock); |
411 | X_UNLOCK (reslock); |
781 | |
412 | |
782 | if (size) |
413 | if (size) |
783 | return; |
414 | return; |
784 | |
415 | |
785 | maybe_start_thread (); |
416 | maybe_start_thread (); |
… | |
… | |
789 | |
420 | |
790 | PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0); |
421 | PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0); |
791 | } |
422 | } |
792 | } |
423 | } |
793 | |
424 | |
794 | static int poll_cb () |
425 | static int poll_cb (void) |
795 | { |
426 | { |
796 | dSP; |
427 | int res; |
797 | int count = 0; |
|
|
798 | int maxreqs = max_poll_reqs; |
|
|
799 | int do_croak = 0; |
|
|
800 | struct timeval tv_start, tv_now; |
|
|
801 | aio_req req; |
|
|
802 | |
428 | |
803 | if (max_poll_time) |
429 | do |
804 | gettimeofday (&tv_start, 0); |
|
|
805 | |
|
|
806 | block_sig (); |
|
|
807 | |
|
|
808 | for (;;) |
|
|
809 | { |
430 | { |
810 | for (;;) |
431 | res = eio_poll (); |
811 | { |
|
|
812 | maybe_start_thread (); |
|
|
813 | |
432 | |
814 | X_LOCK (reslock); |
433 | if (res > 0) |
815 | req = reqq_shift (&res_queue); |
|
|
816 | |
|
|
817 | if (req) |
|
|
818 | { |
|
|
819 | --npending; |
|
|
820 | |
|
|
821 | if (!res_queue.size) |
|
|
822 | { |
|
|
823 | /* read any signals sent by the worker threads */ |
|
|
824 | char buf [4]; |
|
|
825 | while (respipe_read (respipe [0], buf, 4) == 4) |
|
|
826 | ; |
|
|
827 | } |
|
|
828 | } |
|
|
829 | |
|
|
830 | X_UNLOCK (reslock); |
|
|
831 | |
|
|
832 | if (!req) |
|
|
833 | break; |
|
|
834 | |
|
|
835 | --nreqs; |
|
|
836 | |
|
|
837 | if (req->type == REQ_GROUP && req->size) |
|
|
838 | { |
|
|
839 | req->int1 = 1; /* mark request as delayed */ |
|
|
840 | continue; |
|
|
841 | } |
|
|
842 | else |
|
|
843 | { |
|
|
844 | if (!req_invoke (req)) |
|
|
845 | { |
|
|
846 | req_destroy (req); |
|
|
847 | unblock_sig (); |
|
|
848 | croak (0); |
434 | croak (0); |
849 | } |
|
|
850 | |
|
|
851 | count++; |
|
|
852 | } |
|
|
853 | |
|
|
854 | req_destroy (req); |
|
|
855 | |
|
|
856 | if (maxreqs && !--maxreqs) |
|
|
857 | break; |
|
|
858 | |
|
|
859 | if (max_poll_time) |
|
|
860 | { |
|
|
861 | gettimeofday (&tv_now, 0); |
|
|
862 | |
|
|
863 | if (tvdiff (&tv_start, &tv_now) >= max_poll_time) |
|
|
864 | break; |
|
|
865 | } |
|
|
866 | } |
|
|
867 | |
|
|
868 | if (nreqs <= max_outstanding) |
|
|
869 | break; |
|
|
870 | |
|
|
871 | poll_wait (); |
|
|
872 | |
|
|
873 | ++maxreqs; |
|
|
874 | } |
435 | } |
875 | |
436 | while (max_outstanding && max_outstanding <= eio_nreqs ()); |
876 | unblock_sig (); |
|
|
877 | return count; |
|
|
878 | } |
|
|
879 | |
|
|
880 | /*****************************************************************************/ |
|
|
881 | /* work around various missing functions */ |
|
|
882 | |
|
|
883 | #if !HAVE_PREADWRITE |
|
|
884 | # define pread aio_pread |
|
|
885 | # define pwrite aio_pwrite |
|
|
886 | |
|
|
887 | /* |
|
|
888 | * make our pread/pwrite safe against themselves, but not against |
|
|
889 | * normal read/write by using a mutex. slows down execution a lot, |
|
|
890 | * but that's your problem, not mine. |
|
|
891 | */ |
|
|
892 | static mutex_t preadwritelock = X_MUTEX_INIT; |
|
|
893 | |
|
|
894 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
|
|
895 | { |
|
|
896 | ssize_t res; |
|
|
897 | off_t ooffset; |
|
|
898 | |
|
|
899 | X_LOCK (preadwritelock); |
|
|
900 | ooffset = lseek (fd, 0, SEEK_CUR); |
|
|
901 | lseek (fd, offset, SEEK_SET); |
|
|
902 | res = read (fd, buf, count); |
|
|
903 | lseek (fd, ooffset, SEEK_SET); |
|
|
904 | X_UNLOCK (preadwritelock); |
|
|
905 | |
437 | |
906 | return res; |
438 | return res; |
907 | } |
439 | } |
908 | |
440 | |
909 | static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset) |
|
|
910 | { |
|
|
911 | ssize_t res; |
|
|
912 | off_t ooffset; |
|
|
913 | |
|
|
914 | X_LOCK (preadwritelock); |
|
|
915 | ooffset = lseek (fd, 0, SEEK_CUR); |
|
|
916 | lseek (fd, offset, SEEK_SET); |
|
|
917 | res = write (fd, buf, count); |
|
|
918 | lseek (fd, offset, SEEK_SET); |
|
|
919 | X_UNLOCK (preadwritelock); |
|
|
920 | |
|
|
921 | return res; |
|
|
922 | } |
|
|
923 | #endif |
|
|
924 | |
|
|
925 | #ifndef HAVE_FUTIMES |
|
|
926 | |
|
|
927 | # define utimes(path,times) aio_utimes (path, times) |
|
|
928 | # define futimes(fd,times) aio_futimes (fd, times) |
|
|
929 | |
|
|
930 | int aio_utimes (const char *filename, const struct timeval times[2]) |
|
|
931 | { |
|
|
932 | if (times) |
|
|
933 | { |
|
|
934 | struct utimbuf buf; |
|
|
935 | |
|
|
936 | buf.actime = times[0].tv_sec; |
|
|
937 | buf.modtime = times[1].tv_sec; |
|
|
938 | |
|
|
939 | return utime (filename, &buf); |
|
|
940 | } |
|
|
941 | else |
|
|
942 | return utime (filename, 0); |
|
|
943 | } |
|
|
944 | |
|
|
945 | int aio_futimes (int fd, const struct timeval tv[2]) |
|
|
946 | { |
|
|
947 | errno = ENOSYS; |
|
|
948 | return -1; |
|
|
949 | } |
|
|
950 | |
|
|
951 | #endif |
|
|
952 | |
|
|
953 | #if !HAVE_FDATASYNC |
|
|
954 | # define fdatasync fsync |
|
|
955 | #endif |
|
|
956 | |
|
|
957 | #if !HAVE_READAHEAD |
|
|
958 | # define readahead(fd,offset,count) aio_readahead (fd, offset, count, self) |
|
|
959 | |
|
|
960 | static ssize_t aio_readahead (int fd, off_t offset, size_t count, worker *self) |
|
|
961 | { |
|
|
962 | size_t todo = count; |
|
|
963 | dBUF; |
|
|
964 | |
|
|
965 | while (todo > 0) |
|
|
966 | { |
|
|
967 | size_t len = todo < AIO_BUFSIZE ? todo : AIO_BUFSIZE; |
|
|
968 | |
|
|
969 | pread (fd, aio_buf, len, offset); |
|
|
970 | offset += len; |
|
|
971 | todo -= len; |
|
|
972 | } |
|
|
973 | |
|
|
974 | errno = 0; |
|
|
975 | return count; |
|
|
976 | } |
|
|
977 | |
|
|
978 | #endif |
|
|
979 | |
|
|
980 | #if !HAVE_READDIR_R |
|
|
981 | # define readdir_r aio_readdir_r |
|
|
982 | |
|
|
983 | static mutex_t readdirlock = X_MUTEX_INIT; |
|
|
984 | |
|
|
985 | static int readdir_r (DIR *dirp, X_DIRENT *ent, X_DIRENT **res) |
|
|
986 | { |
|
|
987 | X_DIRENT *e; |
|
|
988 | int errorno; |
|
|
989 | |
|
|
990 | X_LOCK (readdirlock); |
|
|
991 | |
|
|
992 | e = readdir (dirp); |
|
|
993 | errorno = errno; |
|
|
994 | |
|
|
995 | if (e) |
|
|
996 | { |
|
|
997 | *res = ent; |
|
|
998 | strcpy (ent->d_name, e->d_name); |
|
|
999 | } |
|
|
1000 | else |
|
|
1001 | *res = 0; |
|
|
1002 | |
|
|
1003 | X_UNLOCK (readdirlock); |
|
|
1004 | |
|
|
1005 | errno = errorno; |
|
|
1006 | return e ? 0 : -1; |
|
|
1007 | } |
|
|
1008 | #endif |
|
|
1009 | |
|
|
1010 | /* sendfile always needs emulation */ |
|
|
1011 | static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count, worker *self) |
|
|
1012 | { |
|
|
1013 | ssize_t res; |
|
|
1014 | |
|
|
1015 | if (!count) |
|
|
1016 | return 0; |
|
|
1017 | |
|
|
1018 | #if HAVE_SENDFILE |
|
|
1019 | # if __linux |
|
|
1020 | res = sendfile (ofd, ifd, &offset, count); |
|
|
1021 | |
|
|
1022 | # elif __freebsd |
|
|
1023 | /* |
|
|
1024 | * Of course, the freebsd sendfile is a dire hack with no thoughts |
|
|
1025 | * wasted on making it similar to other I/O functions. |
|
|
1026 | */ |
|
|
1027 | { |
|
|
1028 | off_t sbytes; |
|
|
1029 | res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0); |
|
|
1030 | |
|
|
1031 | if (res < 0 && sbytes) |
|
|
1032 | /* maybe only on EAGAIN: as usual, the manpage leaves you guessing */ |
|
|
1033 | res = sbytes; |
|
|
1034 | } |
|
|
1035 | |
|
|
1036 | # elif __hpux |
|
|
1037 | res = sendfile (ofd, ifd, offset, count, 0, 0); |
|
|
1038 | |
|
|
1039 | # elif __solaris |
|
|
1040 | { |
|
|
1041 | struct sendfilevec vec; |
|
|
1042 | size_t sbytes; |
|
|
1043 | |
|
|
1044 | vec.sfv_fd = ifd; |
|
|
1045 | vec.sfv_flag = 0; |
|
|
1046 | vec.sfv_off = offset; |
|
|
1047 | vec.sfv_len = count; |
|
|
1048 | |
|
|
1049 | res = sendfilev (ofd, &vec, 1, &sbytes); |
|
|
1050 | |
|
|
1051 | if (res < 0 && sbytes) |
|
|
1052 | res = sbytes; |
|
|
1053 | } |
|
|
1054 | |
|
|
1055 | # endif |
|
|
1056 | #else |
|
|
1057 | res = -1; |
|
|
1058 | errno = ENOSYS; |
|
|
1059 | #endif |
|
|
1060 | |
|
|
1061 | if (res < 0 |
|
|
1062 | && (errno == ENOSYS || errno == EINVAL || errno == ENOTSOCK |
|
|
1063 | #if __solaris |
|
|
1064 | || errno == EAFNOSUPPORT || errno == EPROTOTYPE |
|
|
1065 | #endif |
|
|
1066 | ) |
|
|
1067 | ) |
|
|
1068 | { |
|
|
1069 | /* emulate sendfile. this is a major pain in the ass */ |
|
|
1070 | dBUF; |
|
|
1071 | |
|
|
1072 | res = 0; |
|
|
1073 | |
|
|
1074 | while (count) |
|
|
1075 | { |
|
|
1076 | ssize_t cnt; |
|
|
1077 | |
|
|
1078 | cnt = pread (ifd, aio_buf, count > AIO_BUFSIZE ? AIO_BUFSIZE : count, offset); |
|
|
1079 | |
|
|
1080 | if (cnt <= 0) |
|
|
1081 | { |
|
|
1082 | if (cnt && !res) res = -1; |
|
|
1083 | break; |
|
|
1084 | } |
|
|
1085 | |
|
|
1086 | cnt = write (ofd, aio_buf, cnt); |
|
|
1087 | |
|
|
1088 | if (cnt <= 0) |
|
|
1089 | { |
|
|
1090 | if (cnt && !res) res = -1; |
|
|
1091 | break; |
|
|
1092 | } |
|
|
1093 | |
|
|
1094 | offset += cnt; |
|
|
1095 | res += cnt; |
|
|
1096 | count -= cnt; |
|
|
1097 | } |
|
|
1098 | } |
|
|
1099 | |
|
|
1100 | return res; |
|
|
1101 | } |
|
|
1102 | |
|
|
1103 | /* read a full directory */ |
|
|
1104 | static void scandir_ (aio_req req, worker *self) |
|
|
1105 | { |
|
|
1106 | DIR *dirp; |
|
|
1107 | union |
|
|
1108 | { |
|
|
1109 | X_DIRENT d; |
|
|
1110 | char b [offsetof (X_DIRENT, d_name) + NAME_MAX + 1]; |
|
|
1111 | } *u; |
|
|
1112 | X_DIRENT *entp; |
|
|
1113 | char *name, *names; |
|
|
1114 | int memlen = 4096; |
|
|
1115 | int memofs = 0; |
|
|
1116 | int res = 0; |
|
|
1117 | |
|
|
1118 | X_LOCK (wrklock); |
|
|
1119 | self->dirp = dirp = opendir (req->ptr1); |
|
|
1120 | self->dbuf = u = malloc (sizeof (*u)); |
|
|
1121 | req->flags |= FLAG_PTR2_FREE; |
|
|
1122 | req->ptr2 = names = malloc (memlen); |
|
|
1123 | X_UNLOCK (wrklock); |
|
|
1124 | |
|
|
1125 | if (dirp && u && names) |
|
|
1126 | for (;;) |
|
|
1127 | { |
|
|
1128 | errno = 0; |
|
|
1129 | readdir_r (dirp, &u->d, &entp); |
|
|
1130 | |
|
|
1131 | if (!entp) |
|
|
1132 | break; |
|
|
1133 | |
|
|
1134 | name = entp->d_name; |
|
|
1135 | |
|
|
1136 | if (name [0] != '.' || (name [1] && (name [1] != '.' || name [2]))) |
|
|
1137 | { |
|
|
1138 | int len = strlen (name) + 1; |
|
|
1139 | |
|
|
1140 | res++; |
|
|
1141 | |
|
|
1142 | while (memofs + len > memlen) |
|
|
1143 | { |
|
|
1144 | memlen *= 2; |
|
|
1145 | X_LOCK (wrklock); |
|
|
1146 | req->ptr2 = names = realloc (names, memlen); |
|
|
1147 | X_UNLOCK (wrklock); |
|
|
1148 | |
|
|
1149 | if (!names) |
|
|
1150 | break; |
|
|
1151 | } |
|
|
1152 | |
|
|
1153 | memcpy (names + memofs, name, len); |
|
|
1154 | memofs += len; |
|
|
1155 | } |
|
|
1156 | } |
|
|
1157 | |
|
|
1158 | if (errno) |
|
|
1159 | res = -1; |
|
|
1160 | |
|
|
1161 | req->result = res; |
|
|
1162 | } |
|
|
1163 | |
|
|
1164 | /*****************************************************************************/ |
|
|
1165 | |
|
|
1166 | X_THREAD_PROC (aio_proc) |
|
|
1167 | { |
|
|
1168 | {//D |
|
|
1169 | aio_req req; |
|
|
1170 | struct timespec ts; |
|
|
1171 | worker *self = (worker *)thr_arg; |
|
|
1172 | |
|
|
1173 | /* try to distribute timeouts somewhat randomly */ |
|
|
1174 | ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL); |
|
|
1175 | |
|
|
1176 | for (;;) |
|
|
1177 | { |
|
|
1178 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
|
|
1179 | |
|
|
1180 | X_LOCK (reqlock); |
|
|
1181 | |
|
|
1182 | for (;;) |
|
|
1183 | { |
|
|
1184 | self->req = req = reqq_shift (&req_queue); |
|
|
1185 | |
|
|
1186 | if (req) |
|
|
1187 | break; |
|
|
1188 | |
|
|
1189 | ++idle; |
|
|
1190 | |
|
|
1191 | if (X_COND_TIMEDWAIT (reqwait, reqlock, ts) |
|
|
1192 | == ETIMEDOUT) |
|
|
1193 | { |
|
|
1194 | if (idle > max_idle) |
|
|
1195 | { |
|
|
1196 | --idle; |
|
|
1197 | X_UNLOCK (reqlock); |
|
|
1198 | X_LOCK (wrklock); |
|
|
1199 | --started; |
|
|
1200 | X_UNLOCK (wrklock); |
|
|
1201 | goto quit; |
|
|
1202 | } |
|
|
1203 | |
|
|
1204 | /* we are allowed to idle, so do so without any timeout */ |
|
|
1205 | X_COND_WAIT (reqwait, reqlock); |
|
|
1206 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
|
|
1207 | } |
|
|
1208 | |
|
|
1209 | --idle; |
|
|
1210 | } |
|
|
1211 | |
|
|
1212 | --nready; |
|
|
1213 | |
|
|
1214 | X_UNLOCK (reqlock); |
|
|
1215 | |
|
|
1216 | errno = 0; /* strictly unnecessary */ |
|
|
1217 | |
|
|
1218 | if (!(req->flags & FLAG_CANCELLED)) |
|
|
1219 | switch (req->type) |
|
|
1220 | { |
|
|
1221 | case REQ_READ: req->result = req->offs >= 0 |
|
|
1222 | ? pread (req->int1, req->ptr1, req->size, req->offs) |
|
|
1223 | : read (req->int1, req->ptr1, req->size); break; |
|
|
1224 | case REQ_WRITE: req->result = req->offs >= 0 |
|
|
1225 | ? pwrite (req->int1, req->ptr1, req->size, req->offs) |
|
|
1226 | : write (req->int1, req->ptr1, req->size); break; |
|
|
1227 | |
|
|
1228 | case REQ_READAHEAD: req->result = readahead (req->int1, req->offs, req->size); break; |
|
|
1229 | case REQ_SENDFILE: req->result = sendfile_ (req->int1, req->int2, req->offs, req->size, self); break; |
|
|
1230 | |
|
|
1231 | case REQ_STAT: req->result = stat (req->ptr1, (Stat_t *)req->ptr2); break; |
|
|
1232 | case REQ_LSTAT: req->result = lstat (req->ptr1, (Stat_t *)req->ptr2); break; |
|
|
1233 | case REQ_FSTAT: req->result = fstat (req->int1, (Stat_t *)req->ptr2); break; |
|
|
1234 | |
|
|
1235 | case REQ_CHOWN: req->result = chown (req->ptr1, req->int2, req->int3); break; |
|
|
1236 | case REQ_FCHOWN: req->result = fchown (req->int1, req->int2, req->int3); break; |
|
|
1237 | case REQ_CHMOD: req->result = chmod (req->ptr1, req->mode); break; |
|
|
1238 | case REQ_FCHMOD: req->result = fchmod (req->int1, req->mode); break; |
|
|
1239 | case REQ_TRUNCATE: req->result = truncate (req->ptr1, req->offs); break; |
|
|
1240 | case REQ_FTRUNCATE: req->result = ftruncate (req->int1, req->offs); break; |
|
|
1241 | |
|
|
1242 | case REQ_OPEN: req->result = open (req->ptr1, req->int1, req->mode); break; |
|
|
1243 | case REQ_CLOSE: req->result = close (req->int1); break; |
|
|
1244 | case REQ_UNLINK: req->result = unlink (req->ptr1); break; |
|
|
1245 | case REQ_RMDIR: req->result = rmdir (req->ptr1); break; |
|
|
1246 | case REQ_MKDIR: req->result = mkdir (req->ptr1, req->mode); break; |
|
|
1247 | case REQ_RENAME: req->result = rename (req->ptr2, req->ptr1); break; |
|
|
1248 | case REQ_LINK: req->result = link (req->ptr2, req->ptr1); break; |
|
|
1249 | case REQ_SYMLINK: req->result = symlink (req->ptr2, req->ptr1); break; |
|
|
1250 | case REQ_MKNOD: req->result = mknod (req->ptr2, req->mode, (dev_t)req->offs); break; |
|
|
1251 | case REQ_READLINK: req->result = readlink (req->ptr2, req->ptr1, NAME_MAX); break; |
|
|
1252 | |
|
|
1253 | case REQ_FDATASYNC: req->result = fdatasync (req->int1); break; |
|
|
1254 | case REQ_FSYNC: req->result = fsync (req->int1); break; |
|
|
1255 | case REQ_READDIR: scandir_ (req, self); break; |
|
|
1256 | |
|
|
1257 | case REQ_BUSY: |
|
|
1258 | #ifdef _WIN32 |
|
|
1259 | Sleep (req->nv1 * 1000.); |
|
|
1260 | #else |
|
|
1261 | { |
|
|
1262 | struct timeval tv; |
|
|
1263 | |
|
|
1264 | tv.tv_sec = req->nv1; |
|
|
1265 | tv.tv_usec = (req->nv1 - tv.tv_sec) * 1000000.; |
|
|
1266 | |
|
|
1267 | req->result = select (0, 0, 0, 0, &tv); |
|
|
1268 | } |
|
|
1269 | #endif |
|
|
1270 | break; |
|
|
1271 | |
|
|
1272 | case REQ_UTIME: |
|
|
1273 | case REQ_FUTIME: |
|
|
1274 | { |
|
|
1275 | struct timeval tv[2]; |
|
|
1276 | struct timeval *times; |
|
|
1277 | |
|
|
1278 | if (req->nv1 != -1. || req->nv2 != -1.) |
|
|
1279 | { |
|
|
1280 | tv[0].tv_sec = req->nv1; |
|
|
1281 | tv[0].tv_usec = (req->nv1 - tv[0].tv_sec) * 1000000.; |
|
|
1282 | tv[1].tv_sec = req->nv2; |
|
|
1283 | tv[1].tv_usec = (req->nv2 - tv[1].tv_sec) * 1000000.; |
|
|
1284 | |
|
|
1285 | times = tv; |
|
|
1286 | } |
|
|
1287 | else |
|
|
1288 | times = 0; |
|
|
1289 | |
|
|
1290 | |
|
|
1291 | req->result = req->type == REQ_FUTIME |
|
|
1292 | ? futimes (req->int1, times) |
|
|
1293 | : utimes (req->ptr1, times); |
|
|
1294 | } |
|
|
1295 | |
|
|
1296 | case REQ_GROUP: |
|
|
1297 | case REQ_NOP: |
|
|
1298 | break; |
|
|
1299 | |
|
|
1300 | case REQ_QUIT: |
|
|
1301 | goto quit; |
|
|
1302 | |
|
|
1303 | default: |
|
|
1304 | req->result = -1; |
|
|
1305 | break; |
|
|
1306 | } |
|
|
1307 | |
|
|
1308 | req->errorno = errno; |
|
|
1309 | |
|
|
1310 | X_LOCK (reslock); |
|
|
1311 | |
|
|
1312 | ++npending; |
|
|
1313 | |
|
|
1314 | if (!reqq_push (&res_queue, req)) |
|
|
1315 | { |
|
|
1316 | /* write a dummy byte to the pipe so fh becomes ready */ |
|
|
1317 | respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); |
|
|
1318 | |
|
|
1319 | /* optionally signal the main thread asynchronously */ |
|
|
1320 | if (main_sig) |
|
|
1321 | pthread_kill (main_tid, main_sig); |
|
|
1322 | } |
|
|
1323 | |
|
|
1324 | self->req = 0; |
|
|
1325 | worker_clear (self); |
|
|
1326 | |
|
|
1327 | X_UNLOCK (reslock); |
|
|
1328 | } |
|
|
1329 | |
|
|
1330 | quit: |
|
|
1331 | X_LOCK (wrklock); |
|
|
1332 | worker_free (self); |
|
|
1333 | X_UNLOCK (wrklock); |
|
|
1334 | |
|
|
1335 | return 0; |
|
|
1336 | }//D |
|
|
1337 | } |
|
|
1338 | |
|
|
1339 | /*****************************************************************************/ |
|
|
1340 | |
|
|
1341 | static void atfork_prepare (void) |
|
|
1342 | { |
|
|
1343 | X_LOCK (wrklock); |
|
|
1344 | X_LOCK (reqlock); |
|
|
1345 | X_LOCK (reslock); |
|
|
1346 | #if !HAVE_PREADWRITE |
|
|
1347 | X_LOCK (preadwritelock); |
|
|
1348 | #endif |
|
|
1349 | #if !HAVE_READDIR_R |
|
|
1350 | X_LOCK (readdirlock); |
|
|
1351 | #endif |
|
|
1352 | } |
|
|
1353 | |
|
|
1354 | static void atfork_parent (void) |
|
|
1355 | { |
|
|
1356 | #if !HAVE_READDIR_R |
|
|
1357 | X_UNLOCK (readdirlock); |
|
|
1358 | #endif |
|
|
1359 | #if !HAVE_PREADWRITE |
|
|
1360 | X_UNLOCK (preadwritelock); |
|
|
1361 | #endif |
|
|
1362 | X_UNLOCK (reslock); |
|
|
1363 | X_UNLOCK (reqlock); |
|
|
1364 | X_UNLOCK (wrklock); |
|
|
1365 | } |
|
|
1366 | |
|
|
1367 | static void atfork_child (void) |
441 | static void atfork_child (void) |
1368 | { |
442 | { |
1369 | aio_req prv; |
|
|
1370 | |
|
|
1371 | while (prv = reqq_shift (&req_queue)) |
|
|
1372 | req_destroy (prv); |
|
|
1373 | |
|
|
1374 | while (prv = reqq_shift (&res_queue)) |
|
|
1375 | req_destroy (prv); |
|
|
1376 | |
|
|
1377 | while (wrk_first.next != &wrk_first) |
|
|
1378 | { |
|
|
1379 | worker *wrk = wrk_first.next; |
|
|
1380 | |
|
|
1381 | if (wrk->req) |
|
|
1382 | req_destroy (wrk->req); |
|
|
1383 | |
|
|
1384 | worker_clear (wrk); |
|
|
1385 | worker_free (wrk); |
|
|
1386 | } |
|
|
1387 | |
|
|
1388 | started = 0; |
|
|
1389 | idle = 0; |
|
|
1390 | nreqs = 0; |
|
|
1391 | nready = 0; |
|
|
1392 | npending = 0; |
|
|
1393 | |
|
|
1394 | create_respipe (); |
443 | create_respipe (); |
1395 | |
|
|
1396 | atfork_parent (); |
|
|
1397 | } |
444 | } |
1398 | |
445 | |
1399 | #define dREQ \ |
446 | #define dREQ \ |
1400 | aio_req req; \ |
447 | aio_req req; \ |
1401 | int req_pri = next_pri; \ |
448 | int req_pri = next_pri; \ |
1402 | next_pri = DEFAULT_PRI + PRI_BIAS; \ |
449 | next_pri = EIO_DEFAULT_PRI + EIO_PRI_BIAS; \ |
1403 | \ |
450 | \ |
1404 | if (SvOK (callback) && !SvROK (callback)) \ |
451 | if (SvOK (callback) && !SvROK (callback)) \ |
1405 | croak ("callback must be undef or of reference type"); \ |
452 | croak ("callback must be undef or of reference type"); \ |
1406 | \ |
453 | \ |
1407 | Newz (0, req, 1, aio_cb); \ |
454 | Newz (0, req, 1, eio_req); \ |
1408 | if (!req) \ |
455 | if (!req) \ |
1409 | croak ("out of memory during aio_req allocation"); \ |
456 | croak ("out of memory during eio_req allocation"); \ |
1410 | \ |
457 | \ |
1411 | req->callback = newSVsv (callback); \ |
458 | req->callback = newSVsv (callback); \ |
1412 | req->pri = req_pri |
459 | req->pri = req_pri |
1413 | |
460 | |
1414 | #define REQ_SEND \ |
461 | #define REQ_SEND \ |
1415 | req_send (req); \ |
462 | req_submit (req); \ |
1416 | \ |
463 | \ |
1417 | if (GIMME_V != G_VOID) \ |
464 | if (GIMME_V != G_VOID) \ |
1418 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
465 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
1419 | |
466 | |
1420 | MODULE = IO::AIO PACKAGE = IO::AIO |
467 | MODULE = IO::AIO PACKAGE = IO::AIO |
1421 | |
468 | |
1422 | PROTOTYPES: ENABLE |
469 | PROTOTYPES: ENABLE |
1423 | |
470 | |
1424 | BOOT: |
471 | BOOT: |
1425 | { |
472 | { |
1426 | HV *stash = gv_stashpv ("IO::AIO", 1); |
473 | stash = gv_stashpv ("IO::AIO", 1); |
1427 | |
474 | |
1428 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
475 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
1429 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
476 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
1430 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
477 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
1431 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
478 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
… | |
… | |
1439 | X_MUTEX_CHECK (readdirlock); |
486 | X_MUTEX_CHECK (readdirlock); |
1440 | |
487 | |
1441 | X_COND_CHECK (reqwait); |
488 | X_COND_CHECK (reqwait); |
1442 | #else |
489 | #else |
1443 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
490 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
1444 | newCONSTSUB (stash, "SIGIO", newSViv (SIGIO)); |
|
|
1445 | #endif |
491 | #endif |
1446 | |
492 | |
1447 | create_respipe (); |
493 | create_respipe (); |
1448 | |
494 | |
1449 | X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child); |
495 | if (eio_init (want_poll, done_poll) < 0) |
|
|
496 | croak ("IO::AIO: unable to initialise eio library"); |
|
|
497 | |
|
|
498 | /* atfork child called in fifo order, so before eio's handler */ |
|
|
499 | X_THREAD_ATFORK (0, 0, atfork_child); |
1450 | } |
500 | } |
1451 | |
501 | |
1452 | void |
502 | void |
1453 | max_poll_reqs (int nreqs) |
503 | max_poll_reqs (int nreqs) |
1454 | PROTOTYPE: $ |
504 | PROTOTYPE: $ |
1455 | CODE: |
505 | CODE: |
1456 | max_poll_reqs = nreqs; |
506 | eio_set_max_poll_reqs (nreqs); |
1457 | |
507 | |
1458 | void |
508 | void |
1459 | max_poll_time (double nseconds) |
509 | max_poll_time (double nseconds) |
1460 | PROTOTYPE: $ |
510 | PROTOTYPE: $ |
1461 | CODE: |
511 | CODE: |
1462 | max_poll_time = nseconds * AIO_TICKS; |
512 | eio_set_max_poll_time (nseconds); |
1463 | |
513 | |
1464 | void |
514 | void |
1465 | min_parallel (int nthreads) |
515 | min_parallel (int nthreads) |
1466 | PROTOTYPE: $ |
516 | PROTOTYPE: $ |
|
|
517 | CODE: |
|
|
518 | eio_set_min_parallel (nthreads); |
1467 | |
519 | |
1468 | void |
520 | void |
1469 | max_parallel (int nthreads) |
521 | max_parallel (int nthreads) |
1470 | PROTOTYPE: $ |
522 | PROTOTYPE: $ |
|
|
523 | CODE: |
|
|
524 | eio_set_max_parallel (nthreads); |
1471 | |
525 | |
1472 | void |
526 | void |
1473 | max_idle (int nthreads) |
527 | max_idle (int nthreads) |
1474 | PROTOTYPE: $ |
528 | PROTOTYPE: $ |
1475 | CODE: |
529 | CODE: |
1476 | set_max_idle (nthreads); |
530 | eio_set_max_idle (nthreads); |
1477 | |
531 | |
1478 | int |
532 | void |
1479 | max_outstanding (int maxreqs) |
533 | max_outstanding (int maxreqs) |
1480 | PROTOTYPE: $ |
534 | PROTOTYPE: $ |
1481 | CODE: |
535 | CODE: |
1482 | RETVAL = max_outstanding; |
|
|
1483 | max_outstanding = maxreqs; |
536 | max_outstanding = maxreqs; |
1484 | OUTPUT: |
|
|
1485 | RETVAL |
|
|
1486 | |
537 | |
1487 | void |
538 | void |
1488 | aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) |
539 | aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) |
1489 | PROTOTYPE: $$$;$ |
540 | PROTOTYPE: $$$;$ |
1490 | PPCODE: |
541 | PPCODE: |
1491 | { |
542 | { |
1492 | dREQ; |
543 | dREQ; |
1493 | |
544 | |
1494 | req->type = REQ_OPEN; |
545 | req->type = EIO_OPEN; |
1495 | req->sv1 = newSVsv (pathname); |
546 | req->sv1 = newSVsv (pathname); |
1496 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
547 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1497 | req->int1 = flags; |
548 | req->int1 = flags; |
1498 | req->mode = mode; |
549 | req->int2 = mode; |
1499 | |
550 | |
1500 | REQ_SEND; |
551 | REQ_SEND; |
1501 | } |
552 | } |
1502 | |
553 | |
1503 | void |
554 | void |
1504 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
555 | aio_fsync (SV *fh, SV *callback=&PL_sv_undef) |
1505 | PROTOTYPE: $;$ |
556 | PROTOTYPE: $;$ |
1506 | ALIAS: |
557 | ALIAS: |
1507 | aio_close = REQ_CLOSE |
|
|
1508 | aio_fsync = REQ_FSYNC |
558 | aio_fsync = EIO_FSYNC |
1509 | aio_fdatasync = REQ_FDATASYNC |
559 | aio_fdatasync = EIO_FDATASYNC |
1510 | PPCODE: |
560 | PPCODE: |
1511 | { |
561 | { |
1512 | dREQ; |
562 | dREQ; |
1513 | |
563 | |
1514 | req->type = ix; |
564 | req->type = ix; |
… | |
… | |
1517 | |
567 | |
1518 | REQ_SEND (req); |
568 | REQ_SEND (req); |
1519 | } |
569 | } |
1520 | |
570 | |
1521 | void |
571 | void |
|
|
572 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
|
|
573 | PROTOTYPE: $;$ |
|
|
574 | PPCODE: |
|
|
575 | { |
|
|
576 | static int close_pipe = -1; /* dummy fd to close fds via dup2 */ |
|
|
577 | dREQ; |
|
|
578 | |
|
|
579 | if (close_pipe < 0) |
|
|
580 | { |
|
|
581 | int pipefd [2]; |
|
|
582 | |
|
|
583 | if (pipe (pipefd) < 0 |
|
|
584 | || close (pipefd [1]) < 0 |
|
|
585 | || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) |
|
|
586 | abort (); /*D*/ |
|
|
587 | |
|
|
588 | close_pipe = pipefd [0]; |
|
|
589 | } |
|
|
590 | |
|
|
591 | req->type = EIO_DUP2; |
|
|
592 | req->int1 = close_pipe; |
|
|
593 | req->sv2 = newSVsv (fh); |
|
|
594 | req->int2 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
|
|
595 | |
|
|
596 | REQ_SEND (req); |
|
|
597 | } |
|
|
598 | |
|
|
599 | void |
1522 | aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) |
600 | aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) |
1523 | ALIAS: |
601 | ALIAS: |
1524 | aio_read = REQ_READ |
602 | aio_read = EIO_READ |
1525 | aio_write = REQ_WRITE |
603 | aio_write = EIO_WRITE |
1526 | PROTOTYPE: $$$$$;$ |
604 | PROTOTYPE: $$$$$;$ |
1527 | PPCODE: |
605 | PPCODE: |
1528 | { |
606 | { |
1529 | STRLEN svlen; |
607 | STRLEN svlen; |
1530 | char *svptr = SvPVbyte (data, svlen); |
608 | char *svptr = SvPVbyte (data, svlen); |
… | |
… | |
1537 | dataoffset += svlen; |
615 | dataoffset += svlen; |
1538 | |
616 | |
1539 | if (dataoffset < 0 || dataoffset > svlen) |
617 | if (dataoffset < 0 || dataoffset > svlen) |
1540 | croak ("dataoffset outside of data scalar"); |
618 | croak ("dataoffset outside of data scalar"); |
1541 | |
619 | |
1542 | if (ix == REQ_WRITE) |
620 | if (ix == EIO_WRITE) |
1543 | { |
621 | { |
1544 | /* write: check length and adjust. */ |
622 | /* write: check length and adjust. */ |
1545 | if (!SvOK (length) || len + dataoffset > svlen) |
623 | if (!SvOK (length) || len + dataoffset > svlen) |
1546 | len = svlen - dataoffset; |
624 | len = svlen - dataoffset; |
1547 | } |
625 | } |
… | |
… | |
1557 | { |
635 | { |
1558 | dREQ; |
636 | dREQ; |
1559 | |
637 | |
1560 | req->type = ix; |
638 | req->type = ix; |
1561 | req->sv1 = newSVsv (fh); |
639 | req->sv1 = newSVsv (fh); |
1562 | req->int1 = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
640 | req->int1 = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh)) |
1563 | : IoOFP (sv_2io (fh))); |
641 | : IoOFP (sv_2io (fh))); |
1564 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
642 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
1565 | req->size = len; |
643 | req->size = len; |
1566 | req->sv2 = SvREFCNT_inc (data); |
644 | req->sv2 = SvREFCNT_inc (data); |
1567 | req->ptr1 = (char *)svptr + dataoffset; |
645 | req->ptr2 = (char *)svptr + dataoffset; |
1568 | req->stroffset = dataoffset; |
646 | req->stroffset = dataoffset; |
1569 | |
647 | |
1570 | if (!SvREADONLY (data)) |
648 | if (!SvREADONLY (data)) |
1571 | { |
649 | { |
1572 | SvREADONLY_on (data); |
650 | SvREADONLY_on (data); |
… | |
… | |
1586 | dREQ; |
664 | dREQ; |
1587 | |
665 | |
1588 | data = newSV (NAME_MAX); |
666 | data = newSV (NAME_MAX); |
1589 | SvPOK_on (data); |
667 | SvPOK_on (data); |
1590 | |
668 | |
1591 | req->type = REQ_READLINK; |
669 | req->type = EIO_READLINK; |
1592 | req->sv1 = newSVsv (path); |
670 | req->sv1 = newSVsv (path); |
1593 | req->ptr2 = SvPVbyte_nolen (req->sv1); |
671 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1594 | req->sv2 = data; |
672 | req->sv2 = data; |
1595 | req->ptr1 = SvPVbyte_nolen (data); |
673 | req->ptr2 = SvPVbyte_nolen (data); |
1596 | |
674 | |
1597 | REQ_SEND; |
675 | REQ_SEND; |
1598 | } |
676 | } |
1599 | |
677 | |
1600 | void |
678 | void |
… | |
… | |
1602 | PROTOTYPE: $$$$;$ |
680 | PROTOTYPE: $$$$;$ |
1603 | PPCODE: |
681 | PPCODE: |
1604 | { |
682 | { |
1605 | dREQ; |
683 | dREQ; |
1606 | |
684 | |
1607 | req->type = REQ_SENDFILE; |
685 | req->type = EIO_SENDFILE; |
1608 | req->sv1 = newSVsv (out_fh); |
686 | req->sv1 = newSVsv (out_fh); |
1609 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
687 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
1610 | req->sv2 = newSVsv (in_fh); |
688 | req->sv2 = newSVsv (in_fh); |
1611 | req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
689 | req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
1612 | req->offs = SvVAL64 (in_offset); |
690 | req->offs = SvVAL64 (in_offset); |
… | |
… | |
1620 | PROTOTYPE: $$$;$ |
698 | PROTOTYPE: $$$;$ |
1621 | PPCODE: |
699 | PPCODE: |
1622 | { |
700 | { |
1623 | dREQ; |
701 | dREQ; |
1624 | |
702 | |
1625 | req->type = REQ_READAHEAD; |
703 | req->type = EIO_READAHEAD; |
1626 | req->sv1 = newSVsv (fh); |
704 | req->sv1 = newSVsv (fh); |
1627 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
705 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1628 | req->offs = SvVAL64 (offset); |
706 | req->offs = SvVAL64 (offset); |
1629 | req->size = length; |
707 | req->size = length; |
1630 | |
708 | |
… | |
… | |
1632 | } |
710 | } |
1633 | |
711 | |
1634 | void |
712 | void |
1635 | aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
713 | aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
1636 | ALIAS: |
714 | ALIAS: |
1637 | aio_stat = REQ_STAT |
715 | aio_stat = EIO_STAT |
1638 | aio_lstat = REQ_LSTAT |
716 | aio_lstat = EIO_LSTAT |
1639 | PPCODE: |
717 | PPCODE: |
1640 | { |
718 | { |
1641 | dREQ; |
719 | dREQ; |
1642 | |
720 | |
1643 | req->ptr2 = malloc (sizeof (Stat_t)); |
721 | req->ptr2 = malloc (sizeof (EIO_STRUCT_STAT)); |
1644 | if (!req->ptr2) |
722 | if (!req->ptr2) |
1645 | { |
723 | { |
1646 | req_destroy (req); |
724 | req_destroy (req); |
1647 | croak ("out of memory during aio_stat statdata allocation"); |
725 | croak ("out of memory during aio_stat statdata allocation"); |
1648 | } |
726 | } |
1649 | |
727 | |
1650 | req->flags |= FLAG_PTR2_FREE; |
728 | req->flags |= EIO_FLAG_PTR2_FREE; |
1651 | req->sv1 = newSVsv (fh_or_path); |
729 | req->sv1 = newSVsv (fh_or_path); |
1652 | |
730 | |
1653 | if (SvPOK (fh_or_path)) |
731 | if (SvPOK (fh_or_path)) |
1654 | { |
732 | { |
1655 | req->type = ix; |
733 | req->type = ix; |
1656 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
734 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1657 | } |
735 | } |
1658 | else |
736 | else |
1659 | { |
737 | { |
1660 | req->type = REQ_FSTAT; |
738 | req->type = EIO_FSTAT; |
1661 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
739 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1662 | } |
740 | } |
1663 | |
741 | |
1664 | REQ_SEND; |
742 | REQ_SEND; |
1665 | } |
743 | } |
… | |
… | |
1674 | req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; |
752 | req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; |
1675 | req->sv1 = newSVsv (fh_or_path); |
753 | req->sv1 = newSVsv (fh_or_path); |
1676 | |
754 | |
1677 | if (SvPOK (fh_or_path)) |
755 | if (SvPOK (fh_or_path)) |
1678 | { |
756 | { |
1679 | req->type = REQ_UTIME; |
757 | req->type = EIO_UTIME; |
1680 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
758 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1681 | } |
759 | } |
1682 | else |
760 | else |
1683 | { |
761 | { |
1684 | req->type = REQ_FUTIME; |
762 | req->type = EIO_FUTIME; |
1685 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
763 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1686 | } |
764 | } |
1687 | |
765 | |
1688 | REQ_SEND; |
766 | REQ_SEND; |
1689 | } |
767 | } |
… | |
… | |
1697 | req->sv1 = newSVsv (fh_or_path); |
775 | req->sv1 = newSVsv (fh_or_path); |
1698 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
776 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
1699 | |
777 | |
1700 | if (SvPOK (fh_or_path)) |
778 | if (SvPOK (fh_or_path)) |
1701 | { |
779 | { |
1702 | req->type = REQ_TRUNCATE; |
780 | req->type = EIO_TRUNCATE; |
1703 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
781 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1704 | } |
782 | } |
1705 | else |
783 | else |
1706 | { |
784 | { |
1707 | req->type = REQ_FTRUNCATE; |
785 | req->type = EIO_FTRUNCATE; |
1708 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
786 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1709 | } |
787 | } |
1710 | |
788 | |
1711 | REQ_SEND; |
789 | REQ_SEND; |
1712 | } |
790 | } |
1713 | |
791 | |
1714 | void |
792 | void |
1715 | aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) |
793 | aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) |
|
|
794 | ALIAS: |
|
|
795 | aio_chmod = EIO_CHMOD |
|
|
796 | aio_fchmod = EIO_FCHMOD |
|
|
797 | aio_mkdir = EIO_MKDIR |
1716 | PPCODE: |
798 | PPCODE: |
1717 | { |
799 | { |
1718 | dREQ; |
800 | dREQ; |
1719 | |
801 | |
|
|
802 | req->type = ix; |
1720 | req->mode = mode; |
803 | req->int2 = mode; |
1721 | req->sv1 = newSVsv (fh_or_path); |
804 | req->sv1 = newSVsv (fh_or_path); |
1722 | |
805 | |
1723 | if (SvPOK (fh_or_path)) |
806 | if (ix == EIO_FCHMOD) |
1724 | { |
807 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1725 | req->type = REQ_CHMOD; |
|
|
1726 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1727 | } |
|
|
1728 | else |
808 | else |
1729 | { |
809 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1730 | req->type = REQ_FCHMOD; |
|
|
1731 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1732 | } |
|
|
1733 | |
810 | |
1734 | REQ_SEND; |
811 | REQ_SEND; |
1735 | } |
812 | } |
1736 | |
813 | |
1737 | void |
814 | void |
… | |
… | |
1744 | req->int3 = SvOK (gid) ? SvIV (gid) : -1; |
821 | req->int3 = SvOK (gid) ? SvIV (gid) : -1; |
1745 | req->sv1 = newSVsv (fh_or_path); |
822 | req->sv1 = newSVsv (fh_or_path); |
1746 | |
823 | |
1747 | if (SvPOK (fh_or_path)) |
824 | if (SvPOK (fh_or_path)) |
1748 | { |
825 | { |
1749 | req->type = REQ_CHOWN; |
826 | req->type = EIO_CHOWN; |
1750 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
827 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1751 | } |
828 | } |
1752 | else |
829 | else |
1753 | { |
830 | { |
1754 | req->type = REQ_FCHOWN; |
831 | req->type = EIO_FCHOWN; |
1755 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
832 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1756 | } |
833 | } |
1757 | |
834 | |
1758 | REQ_SEND; |
835 | REQ_SEND; |
1759 | } |
836 | } |
1760 | |
837 | |
1761 | void |
838 | void |
1762 | aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) |
839 | aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) |
1763 | ALIAS: |
840 | ALIAS: |
1764 | aio_unlink = REQ_UNLINK |
841 | aio_unlink = EIO_UNLINK |
1765 | aio_rmdir = REQ_RMDIR |
842 | aio_rmdir = EIO_RMDIR |
1766 | aio_readdir = REQ_READDIR |
843 | aio_readdir = EIO_READDIR |
1767 | PPCODE: |
844 | PPCODE: |
1768 | { |
845 | { |
1769 | dREQ; |
846 | dREQ; |
1770 | |
847 | |
1771 | req->type = ix; |
848 | req->type = ix; |
… | |
… | |
1774 | |
851 | |
1775 | REQ_SEND; |
852 | REQ_SEND; |
1776 | } |
853 | } |
1777 | |
854 | |
1778 | void |
855 | void |
1779 | aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef) |
856 | aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) |
|
|
857 | ALIAS: |
|
|
858 | aio_link = EIO_LINK |
|
|
859 | aio_symlink = EIO_SYMLINK |
|
|
860 | aio_rename = EIO_RENAME |
1780 | PPCODE: |
861 | PPCODE: |
1781 | { |
862 | { |
1782 | dREQ; |
863 | dREQ; |
1783 | |
864 | |
|
|
865 | req->type = ix; |
|
|
866 | req->sv1 = newSVsv (oldpath); |
|
|
867 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
868 | req->sv2 = newSVsv (newpath); |
|
|
869 | req->ptr2 = SvPVbyte_nolen (req->sv2); |
|
|
870 | |
|
|
871 | REQ_SEND; |
|
|
872 | } |
|
|
873 | |
|
|
874 | void |
|
|
875 | aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) |
|
|
876 | PPCODE: |
|
|
877 | { |
|
|
878 | dREQ; |
|
|
879 | |
1784 | req->type = REQ_MKDIR; |
880 | req->type = EIO_MKNOD; |
1785 | req->sv1 = newSVsv (pathname); |
881 | req->sv1 = newSVsv (pathname); |
1786 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
882 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1787 | req->mode = mode; |
|
|
1788 | |
|
|
1789 | REQ_SEND; |
|
|
1790 | } |
|
|
1791 | |
|
|
1792 | void |
|
|
1793 | aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) |
|
|
1794 | ALIAS: |
|
|
1795 | aio_link = REQ_LINK |
|
|
1796 | aio_symlink = REQ_SYMLINK |
|
|
1797 | aio_rename = REQ_RENAME |
|
|
1798 | PPCODE: |
|
|
1799 | { |
|
|
1800 | dREQ; |
|
|
1801 | |
|
|
1802 | req->type = ix; |
|
|
1803 | req->sv2 = newSVsv (oldpath); |
|
|
1804 | req->ptr2 = SvPVbyte_nolen (req->sv2); |
|
|
1805 | req->sv1 = newSVsv (newpath); |
|
|
1806 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1807 | |
|
|
1808 | REQ_SEND; |
|
|
1809 | } |
|
|
1810 | |
|
|
1811 | void |
|
|
1812 | aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) |
|
|
1813 | PPCODE: |
|
|
1814 | { |
|
|
1815 | dREQ; |
|
|
1816 | |
|
|
1817 | req->type = REQ_MKNOD; |
|
|
1818 | req->sv1 = newSVsv (pathname); |
|
|
1819 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1820 | req->mode = (mode_t)mode; |
883 | req->int2 = (mode_t)mode; |
1821 | req->offs = dev; |
884 | req->offs = dev; |
1822 | |
885 | |
1823 | REQ_SEND; |
886 | REQ_SEND; |
1824 | } |
887 | } |
1825 | |
888 | |
… | |
… | |
1827 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
890 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
1828 | PPCODE: |
891 | PPCODE: |
1829 | { |
892 | { |
1830 | dREQ; |
893 | dREQ; |
1831 | |
894 | |
1832 | req->type = REQ_BUSY; |
895 | req->type = EIO_BUSY; |
1833 | req->nv1 = delay < 0. ? 0. : delay; |
896 | req->nv1 = delay < 0. ? 0. : delay; |
1834 | |
897 | |
1835 | REQ_SEND; |
898 | REQ_SEND; |
1836 | } |
899 | } |
1837 | |
900 | |
… | |
… | |
1840 | PROTOTYPE: ;$ |
903 | PROTOTYPE: ;$ |
1841 | PPCODE: |
904 | PPCODE: |
1842 | { |
905 | { |
1843 | dREQ; |
906 | dREQ; |
1844 | |
907 | |
1845 | req->type = REQ_GROUP; |
908 | req->type = EIO_GROUP; |
1846 | |
909 | |
1847 | req_send (req); |
910 | eio_submit (req); |
1848 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
911 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1849 | } |
912 | } |
1850 | |
913 | |
1851 | void |
914 | void |
1852 | aio_nop (SV *callback=&PL_sv_undef) |
915 | aio_nop (SV *callback=&PL_sv_undef) |
|
|
916 | ALIAS: |
|
|
917 | aio_nop = EIO_NOP |
|
|
918 | aio_sync = EIO_SYNC |
1853 | PPCODE: |
919 | PPCODE: |
1854 | { |
920 | { |
1855 | dREQ; |
921 | dREQ; |
1856 | |
922 | |
1857 | req->type = REQ_NOP; |
923 | req->type = ix; |
1858 | |
924 | |
1859 | REQ_SEND; |
925 | REQ_SEND; |
1860 | } |
926 | } |
1861 | |
927 | |
1862 | int |
928 | int |
1863 | aioreq_pri (int pri = 0) |
929 | aioreq_pri (int pri = 0) |
1864 | PROTOTYPE: ;$ |
930 | PROTOTYPE: ;$ |
1865 | CODE: |
931 | CODE: |
1866 | RETVAL = next_pri - PRI_BIAS; |
932 | RETVAL = next_pri - EIO_PRI_BIAS; |
1867 | if (items > 0) |
933 | if (items > 0) |
1868 | { |
934 | { |
1869 | if (pri < PRI_MIN) pri = PRI_MIN; |
935 | if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; |
1870 | if (pri > PRI_MAX) pri = PRI_MAX; |
936 | if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX; |
1871 | next_pri = pri + PRI_BIAS; |
937 | next_pri = pri + EIO_PRI_BIAS; |
1872 | } |
938 | } |
1873 | OUTPUT: |
939 | OUTPUT: |
1874 | RETVAL |
940 | RETVAL |
1875 | |
941 | |
1876 | void |
942 | void |
1877 | aioreq_nice (int nice = 0) |
943 | aioreq_nice (int nice = 0) |
1878 | CODE: |
944 | CODE: |
1879 | nice = next_pri - nice; |
945 | nice = next_pri - nice; |
1880 | if (nice < PRI_MIN) nice = PRI_MIN; |
946 | if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN; |
1881 | if (nice > PRI_MAX) nice = PRI_MAX; |
947 | if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; |
1882 | next_pri = nice + PRI_BIAS; |
948 | next_pri = nice + EIO_PRI_BIAS; |
1883 | |
949 | |
1884 | void |
950 | void |
1885 | flush () |
951 | flush () |
1886 | PROTOTYPE: |
952 | PROTOTYPE: |
1887 | CODE: |
953 | CODE: |
1888 | while (nreqs) |
954 | while (eio_nreqs ()) |
1889 | { |
955 | { |
1890 | poll_wait (); |
956 | poll_wait (); |
1891 | poll_cb (); |
957 | poll_cb (); |
1892 | } |
958 | } |
1893 | |
959 | |
… | |
… | |
1920 | poll_wait() |
986 | poll_wait() |
1921 | PROTOTYPE: |
987 | PROTOTYPE: |
1922 | CODE: |
988 | CODE: |
1923 | poll_wait (); |
989 | poll_wait (); |
1924 | |
990 | |
1925 | void |
|
|
1926 | setsig (int signum = SIGIO) |
|
|
1927 | PROTOTYPE: ;$ |
|
|
1928 | CODE: |
|
|
1929 | { |
|
|
1930 | if (block_sig_level) |
|
|
1931 | croak ("cannot call IO::AIO::setsig from within aio_block/callback"); |
|
|
1932 | |
|
|
1933 | X_LOCK (reslock); |
|
|
1934 | main_tid = pthread_self (); |
|
|
1935 | main_sig = signum; |
|
|
1936 | X_UNLOCK (reslock); |
|
|
1937 | |
|
|
1938 | if (main_sig && npending) |
|
|
1939 | pthread_kill (main_tid, main_sig); |
|
|
1940 | } |
|
|
1941 | |
|
|
1942 | void |
|
|
1943 | aio_block (SV *cb) |
|
|
1944 | PROTOTYPE: & |
|
|
1945 | PPCODE: |
|
|
1946 | { |
|
|
1947 | int count; |
|
|
1948 | |
|
|
1949 | block_sig (); |
|
|
1950 | PUSHMARK (SP); |
|
|
1951 | PUTBACK; |
|
|
1952 | count = call_sv (cb, GIMME_V | G_NOARGS | G_EVAL); |
|
|
1953 | SPAGAIN; |
|
|
1954 | unblock_sig (); |
|
|
1955 | |
|
|
1956 | if (SvTRUE (ERRSV)) |
|
|
1957 | croak (0); |
|
|
1958 | |
|
|
1959 | XSRETURN (count); |
|
|
1960 | } |
|
|
1961 | |
|
|
1962 | int |
991 | int |
1963 | nreqs() |
992 | nreqs() |
1964 | PROTOTYPE: |
993 | PROTOTYPE: |
1965 | CODE: |
994 | CODE: |
1966 | RETVAL = nreqs; |
995 | RETVAL = eio_nreqs (); |
1967 | OUTPUT: |
996 | OUTPUT: |
1968 | RETVAL |
997 | RETVAL |
1969 | |
998 | |
1970 | int |
999 | int |
1971 | nready() |
1000 | nready() |
1972 | PROTOTYPE: |
1001 | PROTOTYPE: |
1973 | CODE: |
1002 | CODE: |
1974 | RETVAL = get_nready (); |
1003 | RETVAL = eio_nready (); |
1975 | OUTPUT: |
1004 | OUTPUT: |
1976 | RETVAL |
1005 | RETVAL |
1977 | |
1006 | |
1978 | int |
1007 | int |
1979 | npending() |
1008 | npending() |
1980 | PROTOTYPE: |
1009 | PROTOTYPE: |
1981 | CODE: |
1010 | CODE: |
1982 | RETVAL = get_npending (); |
1011 | RETVAL = eio_npending (); |
1983 | OUTPUT: |
1012 | OUTPUT: |
1984 | RETVAL |
1013 | RETVAL |
1985 | |
1014 | |
1986 | int |
1015 | int |
1987 | nthreads() |
1016 | nthreads() |
… | |
… | |
1991 | RETVAL = started; |
1020 | RETVAL = started; |
1992 | if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock); |
1021 | if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock); |
1993 | OUTPUT: |
1022 | OUTPUT: |
1994 | RETVAL |
1023 | RETVAL |
1995 | |
1024 | |
|
|
1025 | void _on_next_submit (SV *cb) |
|
|
1026 | CODE: |
|
|
1027 | SvREFCNT_dec (on_next_submit); |
|
|
1028 | on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
|
|
1029 | |
1996 | PROTOTYPES: DISABLE |
1030 | PROTOTYPES: DISABLE |
1997 | |
1031 | |
1998 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1032 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1999 | |
1033 | |
2000 | void |
1034 | void |
2001 | cancel (aio_req_ornot req) |
1035 | cancel (aio_req_ornot req) |
2002 | CODE: |
1036 | CODE: |
2003 | req_cancel (req); |
1037 | eio_cancel (req); |
2004 | |
1038 | |
2005 | void |
1039 | void |
2006 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
1040 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
2007 | CODE: |
1041 | CODE: |
2008 | SvREFCNT_dec (req->callback); |
1042 | SvREFCNT_dec (req->callback); |
… | |
… | |
2013 | void |
1047 | void |
2014 | add (aio_req grp, ...) |
1048 | add (aio_req grp, ...) |
2015 | PPCODE: |
1049 | PPCODE: |
2016 | { |
1050 | { |
2017 | int i; |
1051 | int i; |
2018 | aio_req req; |
|
|
2019 | |
|
|
2020 | if (main_sig && !block_sig_level) |
|
|
2021 | croak ("aio_group->add called outside aio_block/callback context while IO::AIO::setsig is in use"); |
|
|
2022 | |
1052 | |
2023 | if (grp->int1 == 2) |
1053 | if (grp->int1 == 2) |
2024 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1054 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
2025 | |
1055 | |
2026 | for (i = 1; i < items; ++i ) |
1056 | for (i = 1; i < items; ++i ) |
2027 | { |
1057 | { |
|
|
1058 | aio_req req; |
|
|
1059 | |
2028 | if (GIMME_V != G_VOID) |
1060 | if (GIMME_V != G_VOID) |
2029 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
1061 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
2030 | |
1062 | |
2031 | req = SvAIO_REQ (ST (i)); |
1063 | req = SvAIO_REQ (ST (i)); |
2032 | |
1064 | |
2033 | if (req) |
1065 | if (req) |
2034 | { |
1066 | eio_grp_add (grp, req); |
2035 | ++grp->size; |
|
|
2036 | req->grp = grp; |
|
|
2037 | |
|
|
2038 | req->grp_prev = 0; |
|
|
2039 | req->grp_next = grp->grp_first; |
|
|
2040 | |
|
|
2041 | if (grp->grp_first) |
|
|
2042 | grp->grp_first->grp_prev = req; |
|
|
2043 | |
|
|
2044 | grp->grp_first = req; |
|
|
2045 | } |
|
|
2046 | } |
1067 | } |
2047 | } |
1068 | } |
2048 | |
1069 | |
2049 | void |
1070 | void |
2050 | cancel_subs (aio_req_ornot req) |
1071 | cancel_subs (aio_req_ornot req) |
… | |
… | |
2075 | grp->errorno = errorno; |
1096 | grp->errorno = errorno; |
2076 | |
1097 | |
2077 | void |
1098 | void |
2078 | limit (aio_req grp, int limit) |
1099 | limit (aio_req grp, int limit) |
2079 | CODE: |
1100 | CODE: |
2080 | grp->int2 = limit; |
1101 | eio_grp_limit (grp, limit); |
2081 | aio_grp_feed (grp); |
|
|
2082 | |
1102 | |
2083 | void |
1103 | void |
2084 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1104 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
2085 | CODE: |
1105 | CODE: |
2086 | { |
1106 | { |
… | |
… | |
2088 | grp->sv2 = newSVsv (callback); |
1108 | grp->sv2 = newSVsv (callback); |
2089 | |
1109 | |
2090 | if (grp->int2 <= 0) |
1110 | if (grp->int2 <= 0) |
2091 | grp->int2 = 2; |
1111 | grp->int2 = 2; |
2092 | |
1112 | |
2093 | aio_grp_feed (grp); |
1113 | eio_grp_limit (grp, grp->int2); |
2094 | } |
1114 | } |
2095 | |
1115 | |