ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/Linux-AIO/AIO.xs
(Generate patch)

Comparing Linux-AIO/AIO.xs (file contents):
Revision 1.13 by root, Mon Apr 1 20:30:08 2002 UTC vs.
Revision 1.14 by root, Tue Apr 2 14:01:09 2002 UTC

… …
22} aio_thread; 22} aio_thread;
23 23
24typedef struct { 24typedef struct {
25 int type; 25 int type;
26 aio_thread *thread; 26 aio_thread *thread;
27
28 SV *savesv;
29 27
30 int fd; 28 int fd;
31 off_t offset; 29 off_t offset;
32 size_t length; 30 size_t length;
33 ssize_t result; 31 ssize_t result;
… …
110 } 108 }
111 109
112 if (length < 0) 110 if (length < 0)
113 croak ("length must not be negative"); 111 croak ("length must not be negative");
114 112
115 New (0, req, 1, aio_cb); 113 Newz (0, req, 1, aio_cb);
116 114
117 if (!req) 115 if (!req)
118 croak ("out of memory during aio_req allocation"); 116 croak ("out of memory during aio_req allocation");
119 117
120 req->type = dowrite ? REQ_WRITE : REQ_READ; 118 req->type = dowrite ? REQ_WRITE : REQ_READ;
… …
145 else 143 else
146 { 144 {
147 int errorno = errno; 145 int errorno = errno;
148 errno = req->errorno; 146 errno = req->errorno;
149 147
150 if (req->savesv)
151 SvREFCNT_dec (req->savesv);
152
153 if (req->type == REQ_READ) 148 if (req->type == REQ_READ)
154 SvCUR_set (req->data, req->dataoffset 149 SvCUR_set (req->data, req->dataoffset
155 + req->result > 0 ? req->result : 0); 150 + req->result > 0 ? req->result : 0);
151
152 if (req->data)
153 SvREFCNT_dec (req->data);
156 154
157 if (req->type == REQ_STAT || req->type == REQ_LSTAT || req->type == REQ_FSTAT) 155 if (req->type == REQ_STAT || req->type == REQ_LSTAT || req->type == REQ_FSTAT)
158 { 156 {
159 PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; 157 PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT;
160 PL_laststatval = req->result; 158 PL_laststatval = req->result;
… …
179 XPUSHs (sv_2mortal (newSViv (req->result))); 177 XPUSHs (sv_2mortal (newSViv (req->result)));
180 PUTBACK; 178 PUTBACK;
181 call_sv (req->callback, G_VOID); 179 call_sv (req->callback, G_VOID);
182 SPAGAIN; 180 SPAGAIN;
183 181
184 SvREFCNT_dec (req->data); 182 if (req->callback)
185 SvREFCNT_dec (req->callback); 183 SvREFCNT_dec (req->callback);
186 184
187 errno = errorno; 185 errno = errorno;
188 nreqs--; 186 nreqs--;
189 count++; 187 count++;
190 } 188 }
… …
225 223
226 /* then loop */ 224 /* then loop */
227 while (read (reqpipe[0], (void *)&req, sizeof (req)) == sizeof (req)) 225 while (read (reqpipe[0], (void *)&req, sizeof (req)) == sizeof (req))
228 { 226 {
229 req->thread = thr; 227 req->thread = thr;
230 errno = 0; 228 errno = 0; /* strictly unnecessary */
231 229
232 if (req->type == REQ_READ) 230 if (req->type == REQ_READ)
233 req->result = pread (req->fd, req->dataptr, req->length, req->offset); 231 req->result = pread (req->fd, req->dataptr, req->length, req->offset);
234 else if (req->type == REQ_WRITE) 232 else if (req->type == REQ_WRITE)
235 req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); 233 req->result = pwrite (req->fd, req->dataptr, req->length, req->offset);
… …
291 { 289 {
292 end_thread (); 290 end_thread ();
293 cur--; 291 cur--;
294 } 292 }
295 293
296 poll_cb ();
297 while (started > nthreads) 294 while (started > nthreads)
298 { 295 {
299 sched_yield (); 296 fd_set rfd;
300 fcntl (respipe[0], F_SETFL, 0); 297 FD_ZERO(&rfd);
298 FD_SET(respipe[0], &rfd);
299
300 select (respipe[0] + 1, &rfd, 0, 0, 0);
301 poll_cb (); 301 poll_cb ();
302 fcntl (respipe[0], F_SETFL, O_NONBLOCK);
303 } 302 }
304 303
305void 304void
306aio_open(pathname,flags,mode,callback) 305aio_open(pathname,flags,mode,callback)
307 SV * pathname 306 SV * pathname
… …
310 SV * callback 309 SV * callback
311 PROTOTYPE: $$$$ 310 PROTOTYPE: $$$$
312 CODE: 311 CODE:
313 aio_req req; 312 aio_req req;
314 313
315 New (0, req, 1, aio_cb); 314 Newz (0, req, 1, aio_cb);
316 315
317 if (!req) 316 if (!req)
318 croak ("out of memory during aio_req allocation"); 317 croak ("out of memory during aio_req allocation");
319 318
320 req->type = REQ_OPEN; 319 req->type = REQ_OPEN;
321 req->savesv = newSVsv (pathname); 320 req->data = newSVsv (pathname);
322 req->dataptr = SvPV_nolen (req->savesv); 321 req->dataptr = SvPV_nolen (req->data);
323 req->fd = flags; 322 req->fd = flags;
324 req->mode = mode; 323 req->mode = mode;
325 req->callback = SvREFCNT_inc (callback); 324 req->callback = SvREFCNT_inc (callback);
326 325
327 send_req (req); 326 send_req (req);
328 327
329void 328void
330aio_close(fh,callback) 329aio_close(fh,callback)
331 InputStream fh 330 InputStream fh
332 SV * callback 331 SV * callback
333 PROTOTYPE: $ 332 PROTOTYPE: $$
334 CODE: 333 CODE:
335 aio_req req; 334 aio_req req;
336 335
337 New (0, req, 1, aio_cb); 336 Newz (0, req, 1, aio_cb);
338 337
339 if (!req) 338 if (!req)
340 croak ("out of memory during aio_req allocation"); 339 croak ("out of memory during aio_req allocation");
341 340
342 req->type = REQ_CLOSE; 341 req->type = REQ_CLOSE;
… …
377 ALIAS: 376 ALIAS:
378 aio_lstat = 1 377 aio_lstat = 1
379 CODE: 378 CODE:
380 aio_req req; 379 aio_req req;
381 380
382 New (0, req, 1, aio_cb); 381 Newz (0, req, 1, aio_cb);
383 382
384 if (!req) 383 if (!req)
385 croak ("out of memory during aio_req allocation"); 384 croak ("out of memory during aio_req allocation");
386 385
387 New (0, req->statdata, 1, struct stat64); 386 New (0, req->statdata, 1, struct stat64);
… …
390 croak ("out of memory during aio_req->statdata allocation"); 389 croak ("out of memory during aio_req->statdata allocation");
391 390
392 if (SvPOK (fh_or_path)) 391 if (SvPOK (fh_or_path))
393 { 392 {
394 req->type = ix ? REQ_LSTAT : REQ_STAT; 393 req->type = ix ? REQ_LSTAT : REQ_STAT;
395 req->savesv = newSVsv (fh_or_path); 394 req->data = newSVsv (fh_or_path);
396 req->dataptr = SvPV_nolen (req->savesv); 395 req->dataptr = SvPV_nolen (req->data);
397 } 396 }
398 else 397 else
399 { 398 {
400 req->type = REQ_FSTAT; 399 req->type = REQ_FSTAT;
401 req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); 400 req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines