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4 | |
4 | |
5 | #include "EXTERN.h" |
5 | #include "EXTERN.h" |
6 | #include "perl.h" |
6 | #include "perl.h" |
7 | #include "XSUB.h" |
7 | #include "XSUB.h" |
8 | |
8 | |
9 | #include "autoconf/config.h" |
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10 | |
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11 | #include <stddef.h> |
9 | #include <stddef.h> |
12 | #include <stdlib.h> |
10 | #include <stdlib.h> |
13 | #include <errno.h> |
11 | #include <errno.h> |
14 | #include <sys/time.h> |
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15 | #include <sys/select.h> |
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16 | #include <sys/types.h> |
12 | #include <sys/types.h> |
17 | #include <sys/stat.h> |
13 | #include <sys/stat.h> |
18 | #include <limits.h> |
14 | #include <limits.h> |
19 | #include <unistd.h> |
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20 | #include <fcntl.h> |
15 | #include <fcntl.h> |
21 | #include <signal.h> |
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22 | #include <sched.h> |
16 | #include <sched.h> |
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17 | |
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18 | #ifdef _WIN32 |
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19 | |
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20 | # define SIGIO 0 |
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21 | typedef Direntry_t X_DIRENT; |
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22 | #undef malloc |
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23 | #undef free |
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24 | |
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25 | // perl overrides all those nice win32 functions |
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26 | # undef open |
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27 | # undef read |
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28 | # undef write |
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29 | # undef send |
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30 | # undef recv |
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31 | # undef stat |
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32 | # undef fstat |
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33 | # define lstat stat |
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34 | # undef truncate |
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35 | # undef ftruncate |
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36 | # undef open |
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37 | # undef close |
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38 | # undef unlink |
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39 | # undef rmdir |
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40 | # undef rename |
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41 | # undef lseek |
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42 | |
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43 | # define chown(a,b,c) (errno = ENOSYS, -1) |
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44 | # define fchown(a,b,c) (errno = ENOSYS, -1) |
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45 | # define fchmod(a,b) (errno = ENOSYS, -1) |
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46 | # define symlink(a,b) (errno = ENOSYS, -1) |
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47 | # define readlink(a,b,c) (errno = ENOSYS, -1) |
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48 | # define mknod(a,b,c) (errno = ENOSYS, -1) |
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49 | # define truncate(a,b) (errno = ENOSYS, -1) |
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50 | # define ftruncate(fd,o) chsize ((fd), (o)) |
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51 | # define fsync(fd) _commit (fd) |
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52 | # define opendir(fd) (errno = ENOSYS, 0) |
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53 | # define readdir(fd) (errno = ENOSYS, -1) |
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54 | # define closedir(fd) (errno = ENOSYS, -1) |
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55 | # define mkdir(a,b) mkdir (a) |
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56 | |
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57 | #else |
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58 | |
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59 | # include "autoconf/config.h" |
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60 | # include <sys/time.h> |
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61 | # include <sys/select.h> |
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62 | # include <unistd.h> |
23 | #include <utime.h> |
63 | # include <utime.h> |
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64 | # include <signal.h> |
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65 | typedef struct dirent X_DIRENT; |
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66 | |
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67 | #endif |
24 | |
68 | |
25 | #if HAVE_SENDFILE |
69 | #if HAVE_SENDFILE |
26 | # if __linux |
70 | # if __linux |
27 | # include <sys/sendfile.h> |
71 | # include <sys/sendfile.h> |
28 | # elif __freebsd |
72 | # elif __freebsd |
… | |
… | |
53 | # define SvVAL64 SvIV |
97 | # define SvVAL64 SvIV |
54 | #else |
98 | #else |
55 | # define SvVAL64 SvNV |
99 | # define SvVAL64 SvNV |
56 | #endif |
100 | #endif |
57 | |
101 | |
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102 | static HV *stash; |
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103 | |
58 | #define dBUF \ |
104 | #define dBUF \ |
59 | char *aio_buf; \ |
105 | char *aio_buf; \ |
60 | LOCK (wrklock); \ |
106 | X_LOCK (wrklock); \ |
61 | self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \ |
107 | self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \ |
62 | UNLOCK (wrklock); \ |
108 | X_UNLOCK (wrklock); \ |
63 | if (!aio_buf) \ |
109 | if (!aio_buf) \ |
64 | return -1; |
110 | return -1; |
65 | |
111 | |
66 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
112 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
67 | |
113 | |
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69 | REQ_QUIT, |
115 | REQ_QUIT, |
70 | REQ_OPEN, REQ_CLOSE, |
116 | REQ_OPEN, REQ_CLOSE, |
71 | REQ_READ, REQ_WRITE, |
117 | REQ_READ, REQ_WRITE, |
72 | REQ_READAHEAD, REQ_SENDFILE, |
118 | REQ_READAHEAD, REQ_SENDFILE, |
73 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
119 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
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120 | REQ_TRUNCATE, REQ_FTRUNCATE, |
74 | REQ_UTIME, REQ_FUTIME, |
121 | REQ_UTIME, REQ_FUTIME, |
75 | REQ_CHMOD, REQ_FCHMOD, |
122 | REQ_CHMOD, REQ_FCHMOD, |
76 | REQ_CHOWN, REQ_FCHOWN, |
123 | REQ_CHOWN, REQ_FCHOWN, |
77 | REQ_FSYNC, REQ_FDATASYNC, |
124 | REQ_SYNC, REQ_FSYNC, REQ_FDATASYNC, |
78 | REQ_UNLINK, REQ_RMDIR, REQ_MKDIR, REQ_RENAME, |
125 | REQ_UNLINK, REQ_RMDIR, REQ_MKDIR, REQ_RENAME, |
79 | REQ_MKNOD, REQ_READDIR, |
126 | REQ_MKNOD, REQ_READDIR, |
80 | REQ_LINK, REQ_SYMLINK, REQ_READLINK, |
127 | REQ_LINK, REQ_SYMLINK, REQ_READLINK, |
81 | REQ_GROUP, REQ_NOP, |
128 | REQ_GROUP, REQ_NOP, |
82 | REQ_BUSY, |
129 | REQ_BUSY, |
… | |
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142 | |
189 | |
143 | static thread_t main_tid; |
190 | static thread_t main_tid; |
144 | static int main_sig; |
191 | static int main_sig; |
145 | static int block_sig_level; |
192 | static int block_sig_level; |
146 | |
193 | |
147 | void block_sig () |
194 | void block_sig (void) |
148 | { |
195 | { |
149 | sigset_t ss; |
196 | sigset_t ss; |
150 | |
197 | |
151 | if (block_sig_level++) |
198 | if (block_sig_level++) |
152 | return; |
199 | return; |
… | |
… | |
157 | sigemptyset (&ss); |
204 | sigemptyset (&ss); |
158 | sigaddset (&ss, main_sig); |
205 | sigaddset (&ss, main_sig); |
159 | pthread_sigmask (SIG_BLOCK, &ss, 0); |
206 | pthread_sigmask (SIG_BLOCK, &ss, 0); |
160 | } |
207 | } |
161 | |
208 | |
162 | void unblock_sig () |
209 | void unblock_sig (void) |
163 | { |
210 | { |
164 | sigset_t ss; |
211 | sigset_t ss; |
165 | |
212 | |
166 | if (--block_sig_level) |
213 | if (--block_sig_level) |
167 | return; |
214 | return; |
… | |
… | |
177 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
224 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
178 | |
225 | |
179 | static unsigned int started, idle, wanted; |
226 | static unsigned int started, idle, wanted; |
180 | |
227 | |
181 | /* worker threads management */ |
228 | /* worker threads management */ |
182 | static mutex_t wrklock = MUTEX_INIT; |
229 | static mutex_t wrklock = X_MUTEX_INIT; |
183 | |
230 | |
184 | typedef struct worker { |
231 | typedef struct worker { |
185 | /* locked by wrklock */ |
232 | /* locked by wrklock */ |
186 | struct worker *prev, *next; |
233 | struct worker *prev, *next; |
187 | |
234 | |
… | |
… | |
219 | } |
266 | } |
220 | |
267 | |
221 | static volatile unsigned int nreqs, nready, npending; |
268 | static volatile unsigned int nreqs, nready, npending; |
222 | static volatile unsigned int max_idle = 4; |
269 | static volatile unsigned int max_idle = 4; |
223 | static volatile unsigned int max_outstanding = 0xffffffff; |
270 | static volatile unsigned int max_outstanding = 0xffffffff; |
224 | static int respipe [2]; |
271 | static int respipe_osf [2], respipe [2] = { -1, -1 }; |
225 | |
272 | |
226 | static mutex_t reslock = MUTEX_INIT; |
273 | static mutex_t reslock = X_MUTEX_INIT; |
227 | static mutex_t reqlock = MUTEX_INIT; |
274 | static mutex_t reqlock = X_MUTEX_INIT; |
228 | static cond_t reqwait = COND_INIT; |
275 | static cond_t reqwait = X_COND_INIT; |
229 | |
276 | |
230 | #if WORDACCESS_UNSAFE |
277 | #if WORDACCESS_UNSAFE |
231 | |
278 | |
232 | static unsigned int get_nready () |
279 | static unsigned int get_nready (void) |
233 | { |
280 | { |
234 | unsigned int retval; |
281 | unsigned int retval; |
235 | |
282 | |
236 | LOCK (reqlock); |
283 | X_LOCK (reqlock); |
237 | retval = nready; |
284 | retval = nready; |
238 | UNLOCK (reqlock); |
285 | X_UNLOCK (reqlock); |
239 | |
286 | |
240 | return retval; |
287 | return retval; |
241 | } |
288 | } |
242 | |
289 | |
243 | static unsigned int get_npending () |
290 | static unsigned int get_npending (void) |
244 | { |
291 | { |
245 | unsigned int retval; |
292 | unsigned int retval; |
246 | |
293 | |
247 | LOCK (reslock); |
294 | X_LOCK (reslock); |
248 | retval = npending; |
295 | retval = npending; |
249 | UNLOCK (reslock); |
296 | X_UNLOCK (reslock); |
250 | |
297 | |
251 | return retval; |
298 | return retval; |
252 | } |
299 | } |
253 | |
300 | |
254 | static unsigned int get_nthreads () |
301 | static unsigned int get_nthreads (void) |
255 | { |
302 | { |
256 | unsigned int retval; |
303 | unsigned int retval; |
257 | |
304 | |
258 | LOCK (wrklock); |
305 | X_LOCK (wrklock); |
259 | retval = started; |
306 | retval = started; |
260 | UNLOCK (wrklock); |
307 | X_UNLOCK (wrklock); |
261 | |
308 | |
262 | return retval; |
309 | return retval; |
263 | } |
310 | } |
264 | |
311 | |
265 | #else |
312 | #else |
… | |
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322 | } |
369 | } |
323 | |
370 | |
324 | abort (); |
371 | abort (); |
325 | } |
372 | } |
326 | |
373 | |
327 | static int poll_cb (); |
374 | static int poll_cb (void); |
328 | static int req_invoke (aio_req req); |
375 | static int req_invoke (aio_req req); |
329 | static void req_destroy (aio_req req); |
376 | static void req_destroy (aio_req req); |
330 | static void req_cancel (aio_req req); |
377 | static void req_cancel (aio_req req); |
331 | |
378 | |
332 | /* must be called at most once */ |
379 | /* must be called at most once */ |
… | |
… | |
456 | break; |
503 | break; |
457 | |
504 | |
458 | case REQ_OPEN: |
505 | case REQ_OPEN: |
459 | { |
506 | { |
460 | /* convert fd to fh */ |
507 | /* convert fd to fh */ |
461 | SV *fh; |
508 | SV *fh = &PL_sv_undef; |
462 | |
509 | |
463 | PUSHs (sv_2mortal (newSViv (req->result))); |
510 | if (req->result >= 0) |
464 | PUTBACK; |
511 | { |
465 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
512 | GV *gv = (GV *)sv_newmortal (); |
466 | SPAGAIN; |
513 | int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); |
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514 | char sym [64]; |
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515 | int symlen; |
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516 | |
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517 | symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result); |
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518 | gv_init (gv, stash, sym, symlen, 0); |
467 | |
519 | |
468 | fh = POPs; |
520 | symlen = snprintf ( |
469 | PUSHMARK (SP); |
521 | sym, |
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522 | sizeof (sym), |
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523 | "%s&=%d", |
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524 | flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<", |
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525 | req->result |
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526 | ); |
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527 | |
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528 | if (do_open (gv, sym, symlen, 0, 0, 0, 0)) |
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529 | fh = (SV *)gv; |
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530 | } |
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531 | |
470 | XPUSHs (fh); |
532 | PUSHs (fh); |
471 | } |
533 | } |
472 | break; |
534 | break; |
473 | |
535 | |
474 | case REQ_GROUP: |
536 | case REQ_GROUP: |
475 | req->int1 = 2; /* mark group as finished */ |
537 | req->int1 = 2; /* mark group as finished */ |
… | |
… | |
519 | } |
581 | } |
520 | |
582 | |
521 | errno = req->errorno; |
583 | errno = req->errorno; |
522 | |
584 | |
523 | PUTBACK; |
585 | PUTBACK; |
524 | call_sv (req->callback, G_VOID | G_EVAL); |
586 | call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
525 | SPAGAIN; |
587 | SPAGAIN; |
526 | |
588 | |
527 | FREETMPS; |
589 | FREETMPS; |
528 | LEAVE; |
590 | LEAVE; |
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591 | |
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592 | PUTBACK; |
529 | } |
593 | } |
530 | |
594 | |
531 | if (req->grp) |
595 | if (req->grp) |
532 | { |
596 | { |
533 | aio_req grp = req->grp; |
597 | aio_req grp = req->grp; |
… | |
… | |
582 | req->flags |= FLAG_CANCELLED; |
646 | req->flags |= FLAG_CANCELLED; |
583 | |
647 | |
584 | req_cancel_subs (req); |
648 | req_cancel_subs (req); |
585 | } |
649 | } |
586 | |
650 | |
587 | static void *aio_proc (void *arg); |
651 | #ifdef USE_SOCKETS_AS_HANDLES |
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652 | # define TO_SOCKET(x) (win32_get_osfhandle (x)) |
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653 | #else |
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654 | # define TO_SOCKET(x) (x) |
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655 | #endif |
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656 | |
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657 | static void |
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658 | create_respipe (void) |
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659 | { |
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660 | int old_readfd = respipe [0]; |
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661 | |
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662 | if (respipe [1] >= 0) |
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663 | respipe_close (TO_SOCKET (respipe [1])); |
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664 | |
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665 | #ifdef _WIN32 |
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666 | if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe)) |
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667 | #else |
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668 | if (pipe (respipe)) |
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669 | #endif |
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670 | croak ("unable to initialize result pipe"); |
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671 | |
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672 | if (old_readfd >= 0) |
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673 | { |
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674 | if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0) |
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675 | croak ("unable to initialize result pipe(2)"); |
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676 | |
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677 | respipe_close (respipe [0]); |
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678 | respipe [0] = old_readfd; |
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679 | } |
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680 | |
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681 | #ifdef _WIN32 |
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682 | int arg = 1; |
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683 | if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg) |
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684 | || ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg)) |
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685 | #else |
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686 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK) |
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687 | || fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
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688 | #endif |
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689 | croak ("unable to initialize result pipe(3)"); |
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690 | |
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691 | respipe_osf [0] = TO_SOCKET (respipe [0]); |
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692 | respipe_osf [1] = TO_SOCKET (respipe [1]); |
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693 | } |
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694 | |
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695 | X_THREAD_PROC (aio_proc); |
588 | |
696 | |
589 | static void start_thread (void) |
697 | static void start_thread (void) |
590 | { |
698 | { |
591 | worker *wrk = calloc (1, sizeof (worker)); |
699 | worker *wrk = calloc (1, sizeof (worker)); |
592 | |
700 | |
593 | if (!wrk) |
701 | if (!wrk) |
594 | croak ("unable to allocate worker thread data"); |
702 | croak ("unable to allocate worker thread data"); |
595 | |
703 | |
596 | LOCK (wrklock); |
704 | X_LOCK (wrklock); |
597 | |
705 | |
598 | if (thread_create (&wrk->tid, aio_proc, (void *)wrk)) |
706 | if (thread_create (&wrk->tid, aio_proc, (void *)wrk)) |
599 | { |
707 | { |
600 | wrk->prev = &wrk_first; |
708 | wrk->prev = &wrk_first; |
601 | wrk->next = wrk_first.next; |
709 | wrk->next = wrk_first.next; |
… | |
… | |
604 | ++started; |
712 | ++started; |
605 | } |
713 | } |
606 | else |
714 | else |
607 | free (wrk); |
715 | free (wrk); |
608 | |
716 | |
609 | UNLOCK (wrklock); |
717 | X_UNLOCK (wrklock); |
610 | } |
718 | } |
611 | |
719 | |
612 | static void maybe_start_thread () |
720 | static void maybe_start_thread (void) |
613 | { |
721 | { |
614 | if (get_nthreads () >= wanted) |
722 | if (get_nthreads () >= wanted) |
615 | return; |
723 | return; |
616 | |
724 | |
617 | /* todo: maybe use idle here, but might be less exact */ |
725 | /* todo: maybe use idle here, but might be less exact */ |
… | |
… | |
625 | { |
733 | { |
626 | block_sig (); |
734 | block_sig (); |
627 | |
735 | |
628 | ++nreqs; |
736 | ++nreqs; |
629 | |
737 | |
630 | LOCK (reqlock); |
738 | X_LOCK (reqlock); |
631 | ++nready; |
739 | ++nready; |
632 | reqq_push (&req_queue, req); |
740 | reqq_push (&req_queue, req); |
633 | COND_SIGNAL (reqwait); |
741 | X_COND_SIGNAL (reqwait); |
634 | UNLOCK (reqlock); |
742 | X_UNLOCK (reqlock); |
635 | |
743 | |
636 | unblock_sig (); |
744 | unblock_sig (); |
637 | |
745 | |
638 | maybe_start_thread (); |
746 | maybe_start_thread (); |
639 | } |
747 | } |
… | |
… | |
645 | Newz (0, req, 1, aio_cb); |
753 | Newz (0, req, 1, aio_cb); |
646 | |
754 | |
647 | req->type = REQ_QUIT; |
755 | req->type = REQ_QUIT; |
648 | req->pri = PRI_MAX + PRI_BIAS; |
756 | req->pri = PRI_MAX + PRI_BIAS; |
649 | |
757 | |
650 | LOCK (reqlock); |
758 | X_LOCK (reqlock); |
651 | reqq_push (&req_queue, req); |
759 | reqq_push (&req_queue, req); |
652 | COND_SIGNAL (reqwait); |
760 | X_COND_SIGNAL (reqwait); |
653 | UNLOCK (reqlock); |
761 | X_UNLOCK (reqlock); |
654 | |
762 | |
655 | LOCK (wrklock); |
763 | X_LOCK (wrklock); |
656 | --started; |
764 | --started; |
657 | UNLOCK (wrklock); |
765 | X_UNLOCK (wrklock); |
658 | } |
766 | } |
659 | |
767 | |
660 | static void set_max_idle (int nthreads) |
768 | static void set_max_idle (int nthreads) |
661 | { |
769 | { |
662 | if (WORDACCESS_UNSAFE) LOCK (reqlock); |
770 | if (WORDACCESS_UNSAFE) X_LOCK (reqlock); |
663 | max_idle = nthreads <= 0 ? 1 : nthreads; |
771 | max_idle = nthreads <= 0 ? 1 : nthreads; |
664 | if (WORDACCESS_UNSAFE) UNLOCK (reqlock); |
772 | if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock); |
665 | } |
773 | } |
666 | |
774 | |
667 | static void min_parallel (int nthreads) |
775 | static void min_parallel (int nthreads) |
668 | { |
776 | { |
669 | if (wanted < nthreads) |
777 | if (wanted < nthreads) |
… | |
… | |
677 | |
785 | |
678 | while (started > wanted) |
786 | while (started > wanted) |
679 | end_thread (); |
787 | end_thread (); |
680 | } |
788 | } |
681 | |
789 | |
682 | static void poll_wait () |
790 | static void poll_wait (void) |
683 | { |
791 | { |
684 | fd_set rfd; |
792 | fd_set rfd; |
685 | |
793 | |
686 | while (nreqs) |
794 | while (nreqs) |
687 | { |
795 | { |
688 | int size; |
796 | int size; |
689 | if (WORDACCESS_UNSAFE) LOCK (reslock); |
797 | if (WORDACCESS_UNSAFE) X_LOCK (reslock); |
690 | size = res_queue.size; |
798 | size = res_queue.size; |
691 | if (WORDACCESS_UNSAFE) UNLOCK (reslock); |
799 | if (WORDACCESS_UNSAFE) X_UNLOCK (reslock); |
692 | |
800 | |
693 | if (size) |
801 | if (size) |
694 | return; |
802 | return; |
695 | |
803 | |
696 | maybe_start_thread (); |
804 | maybe_start_thread (); |
697 | |
805 | |
698 | FD_ZERO(&rfd); |
806 | FD_ZERO (&rfd); |
699 | FD_SET(respipe [0], &rfd); |
807 | FD_SET (respipe [0], &rfd); |
700 | |
808 | |
701 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
809 | PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0); |
702 | } |
810 | } |
703 | } |
811 | } |
704 | |
812 | |
705 | static int poll_cb () |
813 | static int poll_cb (void) |
706 | { |
814 | { |
707 | dSP; |
815 | dSP; |
708 | int count = 0; |
816 | int count = 0; |
709 | int maxreqs = max_poll_reqs; |
817 | int maxreqs = max_poll_reqs; |
710 | int do_croak = 0; |
818 | int do_croak = 0; |
… | |
… | |
720 | { |
828 | { |
721 | for (;;) |
829 | for (;;) |
722 | { |
830 | { |
723 | maybe_start_thread (); |
831 | maybe_start_thread (); |
724 | |
832 | |
725 | LOCK (reslock); |
833 | X_LOCK (reslock); |
726 | req = reqq_shift (&res_queue); |
834 | req = reqq_shift (&res_queue); |
727 | |
835 | |
728 | if (req) |
836 | if (req) |
729 | { |
837 | { |
730 | --npending; |
838 | --npending; |
731 | |
839 | |
732 | if (!res_queue.size) |
840 | if (!res_queue.size) |
733 | { |
841 | { |
734 | /* read any signals sent by the worker threads */ |
842 | /* read any signals sent by the worker threads */ |
735 | char buf [4]; |
843 | char buf [4]; |
736 | while (read (respipe [0], buf, 4) == 4) |
844 | while (respipe_read (respipe [0], buf, 4) == 4) |
737 | ; |
845 | ; |
738 | } |
846 | } |
739 | } |
847 | } |
740 | |
848 | |
741 | UNLOCK (reslock); |
849 | X_UNLOCK (reslock); |
742 | |
850 | |
743 | if (!req) |
851 | if (!req) |
744 | break; |
852 | break; |
745 | |
853 | |
746 | --nreqs; |
854 | --nreqs; |
… | |
… | |
786 | |
894 | |
787 | unblock_sig (); |
895 | unblock_sig (); |
788 | return count; |
896 | return count; |
789 | } |
897 | } |
790 | |
898 | |
791 | static void create_pipe () |
|
|
792 | { |
|
|
793 | if (pipe (respipe)) |
|
|
794 | croak ("unable to initialize result pipe"); |
|
|
795 | |
|
|
796 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)) |
|
|
797 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
798 | |
|
|
799 | if (fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
|
|
800 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
801 | } |
|
|
802 | |
|
|
803 | /*****************************************************************************/ |
899 | /*****************************************************************************/ |
804 | /* work around various missing functions */ |
900 | /* work around various missing functions */ |
805 | |
901 | |
806 | #if !HAVE_PREADWRITE |
902 | #if !HAVE_PREADWRITE |
807 | # define pread aio_pread |
903 | # define pread aio_pread |
… | |
… | |
810 | /* |
906 | /* |
811 | * make our pread/pwrite safe against themselves, but not against |
907 | * make our pread/pwrite safe against themselves, but not against |
812 | * normal read/write by using a mutex. slows down execution a lot, |
908 | * normal read/write by using a mutex. slows down execution a lot, |
813 | * but that's your problem, not mine. |
909 | * but that's your problem, not mine. |
814 | */ |
910 | */ |
815 | static mutex_t preadwritelock = MUTEX_INIT; |
911 | static mutex_t preadwritelock = X_MUTEX_INIT; |
816 | |
912 | |
817 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
913 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
818 | { |
914 | { |
819 | ssize_t res; |
915 | ssize_t res; |
820 | off_t ooffset; |
916 | off_t ooffset; |
821 | |
917 | |
822 | LOCK (preadwritelock); |
918 | X_LOCK (preadwritelock); |
823 | ooffset = lseek (fd, 0, SEEK_CUR); |
919 | ooffset = lseek (fd, 0, SEEK_CUR); |
824 | lseek (fd, offset, SEEK_SET); |
920 | lseek (fd, offset, SEEK_SET); |
825 | res = read (fd, buf, count); |
921 | res = read (fd, buf, count); |
826 | lseek (fd, ooffset, SEEK_SET); |
922 | lseek (fd, ooffset, SEEK_SET); |
827 | UNLOCK (preadwritelock); |
923 | X_UNLOCK (preadwritelock); |
828 | |
924 | |
829 | return res; |
925 | return res; |
830 | } |
926 | } |
831 | |
927 | |
832 | static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset) |
928 | static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset) |
833 | { |
929 | { |
834 | ssize_t res; |
930 | ssize_t res; |
835 | off_t ooffset; |
931 | off_t ooffset; |
836 | |
932 | |
837 | LOCK (preadwritelock); |
933 | X_LOCK (preadwritelock); |
838 | ooffset = lseek (fd, 0, SEEK_CUR); |
934 | ooffset = lseek (fd, 0, SEEK_CUR); |
839 | lseek (fd, offset, SEEK_SET); |
935 | lseek (fd, offset, SEEK_SET); |
840 | res = write (fd, buf, count); |
936 | res = write (fd, buf, count); |
841 | lseek (fd, offset, SEEK_SET); |
937 | lseek (fd, offset, SEEK_SET); |
842 | UNLOCK (preadwritelock); |
938 | X_UNLOCK (preadwritelock); |
843 | |
939 | |
844 | return res; |
940 | return res; |
845 | } |
941 | } |
846 | #endif |
942 | #endif |
847 | |
943 | |
… | |
… | |
880 | #if !HAVE_READAHEAD |
976 | #if !HAVE_READAHEAD |
881 | # define readahead(fd,offset,count) aio_readahead (fd, offset, count, self) |
977 | # define readahead(fd,offset,count) aio_readahead (fd, offset, count, self) |
882 | |
978 | |
883 | static ssize_t aio_readahead (int fd, off_t offset, size_t count, worker *self) |
979 | static ssize_t aio_readahead (int fd, off_t offset, size_t count, worker *self) |
884 | { |
980 | { |
|
|
981 | size_t todo = count; |
885 | dBUF; |
982 | dBUF; |
886 | |
983 | |
887 | while (count > 0) |
984 | while (todo > 0) |
888 | { |
985 | { |
889 | size_t len = count < AIO_BUFSIZE ? count : AIO_BUFSIZE; |
986 | size_t len = todo < AIO_BUFSIZE ? todo : AIO_BUFSIZE; |
890 | |
987 | |
891 | pread (fd, aio_buf, len, offset); |
988 | pread (fd, aio_buf, len, offset); |
892 | offset += len; |
989 | offset += len; |
893 | count -= len; |
990 | todo -= len; |
894 | } |
991 | } |
895 | |
992 | |
896 | errno = 0; |
993 | errno = 0; |
|
|
994 | return count; |
897 | } |
995 | } |
898 | |
996 | |
899 | #endif |
997 | #endif |
900 | |
998 | |
901 | #if !HAVE_READDIR_R |
999 | #if !HAVE_READDIR_R |
902 | # define readdir_r aio_readdir_r |
1000 | # define readdir_r aio_readdir_r |
903 | |
1001 | |
904 | static mutex_t readdirlock = MUTEX_INIT; |
1002 | static mutex_t readdirlock = X_MUTEX_INIT; |
905 | |
1003 | |
906 | static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) |
1004 | static int readdir_r (DIR *dirp, X_DIRENT *ent, X_DIRENT **res) |
907 | { |
1005 | { |
908 | struct dirent *e; |
1006 | X_DIRENT *e; |
909 | int errorno; |
1007 | int errorno; |
910 | |
1008 | |
911 | LOCK (readdirlock); |
1009 | X_LOCK (readdirlock); |
912 | |
1010 | |
913 | e = readdir (dirp); |
1011 | e = readdir (dirp); |
914 | errorno = errno; |
1012 | errorno = errno; |
915 | |
1013 | |
916 | if (e) |
1014 | if (e) |
… | |
… | |
919 | strcpy (ent->d_name, e->d_name); |
1017 | strcpy (ent->d_name, e->d_name); |
920 | } |
1018 | } |
921 | else |
1019 | else |
922 | *res = 0; |
1020 | *res = 0; |
923 | |
1021 | |
924 | UNLOCK (readdirlock); |
1022 | X_UNLOCK (readdirlock); |
925 | |
1023 | |
926 | errno = errorno; |
1024 | errno = errorno; |
927 | return e ? 0 : -1; |
1025 | return e ? 0 : -1; |
928 | } |
1026 | } |
929 | #endif |
1027 | #endif |
… | |
… | |
1025 | static void scandir_ (aio_req req, worker *self) |
1123 | static void scandir_ (aio_req req, worker *self) |
1026 | { |
1124 | { |
1027 | DIR *dirp; |
1125 | DIR *dirp; |
1028 | union |
1126 | union |
1029 | { |
1127 | { |
1030 | struct dirent d; |
1128 | X_DIRENT d; |
1031 | char b [offsetof (struct dirent, d_name) + NAME_MAX + 1]; |
1129 | char b [offsetof (X_DIRENT, d_name) + NAME_MAX + 1]; |
1032 | } *u; |
1130 | } *u; |
1033 | struct dirent *entp; |
1131 | X_DIRENT *entp; |
1034 | char *name, *names; |
1132 | char *name, *names; |
1035 | int memlen = 4096; |
1133 | int memlen = 4096; |
1036 | int memofs = 0; |
1134 | int memofs = 0; |
1037 | int res = 0; |
1135 | int res = 0; |
1038 | int errorno; |
|
|
1039 | |
1136 | |
1040 | LOCK (wrklock); |
1137 | X_LOCK (wrklock); |
1041 | self->dirp = dirp = opendir (req->ptr1); |
1138 | self->dirp = dirp = opendir (req->ptr1); |
1042 | self->dbuf = u = malloc (sizeof (*u)); |
1139 | self->dbuf = u = malloc (sizeof (*u)); |
1043 | req->flags |= FLAG_PTR2_FREE; |
1140 | req->flags |= FLAG_PTR2_FREE; |
1044 | req->ptr2 = names = malloc (memlen); |
1141 | req->ptr2 = names = malloc (memlen); |
1045 | UNLOCK (wrklock); |
1142 | X_UNLOCK (wrklock); |
1046 | |
1143 | |
1047 | if (dirp && u && names) |
1144 | if (dirp && u && names) |
1048 | for (;;) |
1145 | for (;;) |
1049 | { |
1146 | { |
1050 | errno = 0; |
1147 | errno = 0; |
… | |
… | |
1062 | res++; |
1159 | res++; |
1063 | |
1160 | |
1064 | while (memofs + len > memlen) |
1161 | while (memofs + len > memlen) |
1065 | { |
1162 | { |
1066 | memlen *= 2; |
1163 | memlen *= 2; |
1067 | LOCK (wrklock); |
1164 | X_LOCK (wrklock); |
1068 | req->ptr2 = names = realloc (names, memlen); |
1165 | req->ptr2 = names = realloc (names, memlen); |
1069 | UNLOCK (wrklock); |
1166 | X_UNLOCK (wrklock); |
1070 | |
1167 | |
1071 | if (!names) |
1168 | if (!names) |
1072 | break; |
1169 | break; |
1073 | } |
1170 | } |
1074 | |
1171 | |
… | |
… | |
1083 | req->result = res; |
1180 | req->result = res; |
1084 | } |
1181 | } |
1085 | |
1182 | |
1086 | /*****************************************************************************/ |
1183 | /*****************************************************************************/ |
1087 | |
1184 | |
1088 | static void *aio_proc (void *thr_arg) |
1185 | X_THREAD_PROC (aio_proc) |
1089 | { |
1186 | { |
|
|
1187 | {//D |
1090 | aio_req req; |
1188 | aio_req req; |
1091 | struct timespec ts; |
1189 | struct timespec ts; |
1092 | worker *self = (worker *)thr_arg; |
1190 | worker *self = (worker *)thr_arg; |
1093 | |
1191 | |
1094 | /* try to distribute timeouts somewhat evenly */ |
1192 | /* try to distribute timeouts somewhat randomly */ |
1095 | ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL) |
1193 | ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL); |
1096 | * (1000000000UL / 1024UL); |
|
|
1097 | |
1194 | |
1098 | for (;;) |
1195 | for (;;) |
1099 | { |
1196 | { |
1100 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
1197 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
1101 | |
1198 | |
1102 | LOCK (reqlock); |
1199 | X_LOCK (reqlock); |
1103 | |
1200 | |
1104 | for (;;) |
1201 | for (;;) |
1105 | { |
1202 | { |
1106 | self->req = req = reqq_shift (&req_queue); |
1203 | self->req = req = reqq_shift (&req_queue); |
1107 | |
1204 | |
1108 | if (req) |
1205 | if (req) |
1109 | break; |
1206 | break; |
1110 | |
1207 | |
1111 | ++idle; |
1208 | ++idle; |
1112 | |
1209 | |
1113 | if (COND_TIMEDWAIT (reqwait, reqlock, ts) |
1210 | if (X_COND_TIMEDWAIT (reqwait, reqlock, ts) |
1114 | == ETIMEDOUT) |
1211 | == ETIMEDOUT) |
1115 | { |
1212 | { |
1116 | if (idle > max_idle) |
1213 | if (idle > max_idle) |
1117 | { |
1214 | { |
1118 | --idle; |
1215 | --idle; |
1119 | UNLOCK (reqlock); |
1216 | X_UNLOCK (reqlock); |
1120 | LOCK (wrklock); |
1217 | X_LOCK (wrklock); |
1121 | --started; |
1218 | --started; |
1122 | UNLOCK (wrklock); |
1219 | X_UNLOCK (wrklock); |
1123 | goto quit; |
1220 | goto quit; |
1124 | } |
1221 | } |
1125 | |
1222 | |
1126 | /* we are allowed to idle, so do so without any timeout */ |
1223 | /* we are allowed to idle, so do so without any timeout */ |
1127 | COND_WAIT (reqwait, reqlock); |
1224 | X_COND_WAIT (reqwait, reqlock); |
1128 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
1225 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
1129 | } |
1226 | } |
1130 | |
1227 | |
1131 | --idle; |
1228 | --idle; |
1132 | } |
1229 | } |
1133 | |
1230 | |
1134 | --nready; |
1231 | --nready; |
1135 | |
1232 | |
1136 | UNLOCK (reqlock); |
1233 | X_UNLOCK (reqlock); |
1137 | |
1234 | |
1138 | errno = 0; /* strictly unnecessary */ |
1235 | errno = 0; /* strictly unnecessary */ |
1139 | |
1236 | |
1140 | if (!(req->flags & FLAG_CANCELLED)) |
1237 | if (!(req->flags & FLAG_CANCELLED)) |
1141 | switch (req->type) |
1238 | switch (req->type) |
… | |
… | |
1156 | |
1253 | |
1157 | case REQ_CHOWN: req->result = chown (req->ptr1, req->int2, req->int3); break; |
1254 | case REQ_CHOWN: req->result = chown (req->ptr1, req->int2, req->int3); break; |
1158 | case REQ_FCHOWN: req->result = fchown (req->int1, req->int2, req->int3); break; |
1255 | case REQ_FCHOWN: req->result = fchown (req->int1, req->int2, req->int3); break; |
1159 | case REQ_CHMOD: req->result = chmod (req->ptr1, req->mode); break; |
1256 | case REQ_CHMOD: req->result = chmod (req->ptr1, req->mode); break; |
1160 | case REQ_FCHMOD: req->result = fchmod (req->int1, req->mode); break; |
1257 | case REQ_FCHMOD: req->result = fchmod (req->int1, req->mode); break; |
|
|
1258 | case REQ_TRUNCATE: req->result = truncate (req->ptr1, req->offs); break; |
|
|
1259 | case REQ_FTRUNCATE: req->result = ftruncate (req->int1, req->offs); break; |
1161 | |
1260 | |
1162 | case REQ_OPEN: req->result = open (req->ptr1, req->int1, req->mode); break; |
1261 | case REQ_OPEN: req->result = open (req->ptr1, req->int1, req->mode); break; |
1163 | case REQ_CLOSE: req->result = close (req->int1); break; |
1262 | case REQ_CLOSE: req->result = close (req->int1); break; |
1164 | case REQ_UNLINK: req->result = unlink (req->ptr1); break; |
1263 | case REQ_UNLINK: req->result = unlink (req->ptr1); break; |
1165 | case REQ_RMDIR: req->result = rmdir (req->ptr1); break; |
1264 | case REQ_RMDIR: req->result = rmdir (req->ptr1); break; |
… | |
… | |
1168 | case REQ_LINK: req->result = link (req->ptr2, req->ptr1); break; |
1267 | case REQ_LINK: req->result = link (req->ptr2, req->ptr1); break; |
1169 | case REQ_SYMLINK: req->result = symlink (req->ptr2, req->ptr1); break; |
1268 | case REQ_SYMLINK: req->result = symlink (req->ptr2, req->ptr1); break; |
1170 | case REQ_MKNOD: req->result = mknod (req->ptr2, req->mode, (dev_t)req->offs); break; |
1269 | case REQ_MKNOD: req->result = mknod (req->ptr2, req->mode, (dev_t)req->offs); break; |
1171 | case REQ_READLINK: req->result = readlink (req->ptr2, req->ptr1, NAME_MAX); break; |
1270 | case REQ_READLINK: req->result = readlink (req->ptr2, req->ptr1, NAME_MAX); break; |
1172 | |
1271 | |
|
|
1272 | case REQ_SYNC: req->result = 0; sync (); break; |
|
|
1273 | case REQ_FSYNC: req->result = fsync (req->int1); break; |
1173 | case REQ_FDATASYNC: req->result = fdatasync (req->int1); break; |
1274 | case REQ_FDATASYNC: req->result = fdatasync (req->int1); break; |
1174 | case REQ_FSYNC: req->result = fsync (req->int1); break; |
1275 | |
1175 | case REQ_READDIR: scandir_ (req, self); break; |
1276 | case REQ_READDIR: scandir_ (req, self); break; |
1176 | |
1277 | |
1177 | case REQ_BUSY: |
1278 | case REQ_BUSY: |
|
|
1279 | #ifdef _WIN32 |
|
|
1280 | Sleep (req->nv1 * 1000.); |
|
|
1281 | #else |
1178 | { |
1282 | { |
1179 | struct timeval tv; |
1283 | struct timeval tv; |
1180 | |
1284 | |
1181 | tv.tv_sec = req->nv1; |
1285 | tv.tv_sec = req->nv1; |
1182 | tv.tv_usec = (req->nv1 - tv.tv_usec) * 1000000.; |
1286 | tv.tv_usec = (req->nv1 - tv.tv_sec) * 1000000.; |
1183 | |
1287 | |
1184 | req->result = select (0, 0, 0, 0, &tv); |
1288 | req->result = select (0, 0, 0, 0, &tv); |
1185 | } |
1289 | } |
|
|
1290 | #endif |
|
|
1291 | break; |
1186 | |
1292 | |
1187 | case REQ_UTIME: |
1293 | case REQ_UTIME: |
1188 | case REQ_FUTIME: |
1294 | case REQ_FUTIME: |
1189 | { |
1295 | { |
1190 | struct timeval tv[2]; |
1296 | struct timeval tv[2]; |
… | |
… | |
1220 | break; |
1326 | break; |
1221 | } |
1327 | } |
1222 | |
1328 | |
1223 | req->errorno = errno; |
1329 | req->errorno = errno; |
1224 | |
1330 | |
1225 | LOCK (reslock); |
1331 | X_LOCK (reslock); |
1226 | |
1332 | |
1227 | ++npending; |
1333 | ++npending; |
1228 | |
1334 | |
1229 | if (!reqq_push (&res_queue, req)) |
1335 | if (!reqq_push (&res_queue, req)) |
1230 | { |
1336 | { |
1231 | /* write a dummy byte to the pipe so fh becomes ready */ |
1337 | /* write a dummy byte to the pipe so fh becomes ready */ |
1232 | write (respipe [1], &respipe, 1); |
1338 | respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); |
1233 | |
1339 | |
1234 | /* optionally signal the main thread asynchronously */ |
1340 | /* optionally signal the main thread asynchronously */ |
1235 | if (main_sig) |
1341 | if (main_sig) |
1236 | pthread_kill (main_tid, main_sig); |
1342 | pthread_kill (main_tid, main_sig); |
1237 | } |
1343 | } |
1238 | |
1344 | |
1239 | self->req = 0; |
1345 | self->req = 0; |
1240 | worker_clear (self); |
1346 | worker_clear (self); |
1241 | |
1347 | |
1242 | UNLOCK (reslock); |
1348 | X_UNLOCK (reslock); |
1243 | } |
1349 | } |
1244 | |
1350 | |
1245 | quit: |
1351 | quit: |
1246 | LOCK (wrklock); |
1352 | X_LOCK (wrklock); |
1247 | worker_free (self); |
1353 | worker_free (self); |
1248 | UNLOCK (wrklock); |
1354 | X_UNLOCK (wrklock); |
1249 | |
1355 | |
1250 | return 0; |
1356 | return 0; |
|
|
1357 | }//D |
1251 | } |
1358 | } |
1252 | |
1359 | |
1253 | /*****************************************************************************/ |
1360 | /*****************************************************************************/ |
1254 | |
1361 | |
1255 | static void atfork_prepare (void) |
1362 | static void atfork_prepare (void) |
1256 | { |
1363 | { |
1257 | LOCK (wrklock); |
1364 | X_LOCK (wrklock); |
1258 | LOCK (reqlock); |
1365 | X_LOCK (reqlock); |
1259 | LOCK (reslock); |
1366 | X_LOCK (reslock); |
1260 | #if !HAVE_PREADWRITE |
1367 | #if !HAVE_PREADWRITE |
1261 | LOCK (preadwritelock); |
1368 | X_LOCK (preadwritelock); |
1262 | #endif |
1369 | #endif |
1263 | #if !HAVE_READDIR_R |
1370 | #if !HAVE_READDIR_R |
1264 | LOCK (readdirlock); |
1371 | X_LOCK (readdirlock); |
1265 | #endif |
1372 | #endif |
1266 | } |
1373 | } |
1267 | |
1374 | |
1268 | static void atfork_parent (void) |
1375 | static void atfork_parent (void) |
1269 | { |
1376 | { |
1270 | #if !HAVE_READDIR_R |
1377 | #if !HAVE_READDIR_R |
1271 | UNLOCK (readdirlock); |
1378 | X_UNLOCK (readdirlock); |
1272 | #endif |
1379 | #endif |
1273 | #if !HAVE_PREADWRITE |
1380 | #if !HAVE_PREADWRITE |
1274 | UNLOCK (preadwritelock); |
1381 | X_UNLOCK (preadwritelock); |
1275 | #endif |
1382 | #endif |
1276 | UNLOCK (reslock); |
1383 | X_UNLOCK (reslock); |
1277 | UNLOCK (reqlock); |
1384 | X_UNLOCK (reqlock); |
1278 | UNLOCK (wrklock); |
1385 | X_UNLOCK (wrklock); |
1279 | } |
1386 | } |
1280 | |
1387 | |
1281 | static void atfork_child (void) |
1388 | static void atfork_child (void) |
1282 | { |
1389 | { |
1283 | aio_req prv; |
1390 | aio_req prv; |
… | |
… | |
1303 | idle = 0; |
1410 | idle = 0; |
1304 | nreqs = 0; |
1411 | nreqs = 0; |
1305 | nready = 0; |
1412 | nready = 0; |
1306 | npending = 0; |
1413 | npending = 0; |
1307 | |
1414 | |
1308 | close (respipe [0]); |
|
|
1309 | close (respipe [1]); |
|
|
1310 | create_pipe (); |
1415 | create_respipe (); |
1311 | |
1416 | |
1312 | atfork_parent (); |
1417 | atfork_parent (); |
1313 | } |
1418 | } |
1314 | |
1419 | |
1315 | #define dREQ \ |
1420 | #define dREQ \ |
… | |
… | |
1337 | |
1442 | |
1338 | PROTOTYPES: ENABLE |
1443 | PROTOTYPES: ENABLE |
1339 | |
1444 | |
1340 | BOOT: |
1445 | BOOT: |
1341 | { |
1446 | { |
1342 | HV *stash = gv_stashpv ("IO::AIO", 1); |
1447 | stash = gv_stashpv ("IO::AIO", 1); |
1343 | |
1448 | |
1344 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
1449 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
1345 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
1450 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
1346 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
1451 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
1347 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
1452 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
1348 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
1453 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
|
|
1454 | #ifdef _WIN32 |
|
|
1455 | X_MUTEX_CHECK (wrklock); |
|
|
1456 | X_MUTEX_CHECK (reslock); |
|
|
1457 | X_MUTEX_CHECK (reqlock); |
|
|
1458 | X_MUTEX_CHECK (reqwait); |
|
|
1459 | X_MUTEX_CHECK (preadwritelock); |
|
|
1460 | X_MUTEX_CHECK (readdirlock); |
|
|
1461 | |
|
|
1462 | X_COND_CHECK (reqwait); |
|
|
1463 | #else |
1349 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
1464 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
1350 | newCONSTSUB (stash, "SIGIO", newSViv (SIGIO)); |
1465 | newCONSTSUB (stash, "SIGIO", newSViv (SIGIO)); |
|
|
1466 | #endif |
1351 | |
1467 | |
1352 | create_pipe (); |
1468 | create_respipe (); |
|
|
1469 | |
1353 | ATFORK (atfork_prepare, atfork_parent, atfork_child); |
1470 | X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child); |
1354 | } |
1471 | } |
1355 | |
1472 | |
1356 | void |
1473 | void |
1357 | max_poll_reqs (int nreqs) |
1474 | max_poll_reqs (int nreqs) |
1358 | PROTOTYPE: $ |
1475 | PROTOTYPE: $ |
… | |
… | |
1403 | |
1520 | |
1404 | REQ_SEND; |
1521 | REQ_SEND; |
1405 | } |
1522 | } |
1406 | |
1523 | |
1407 | void |
1524 | void |
1408 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
1525 | aio_fsync (SV *fh, SV *callback=&PL_sv_undef) |
1409 | PROTOTYPE: $;$ |
1526 | PROTOTYPE: $;$ |
1410 | ALIAS: |
1527 | ALIAS: |
1411 | aio_close = REQ_CLOSE |
|
|
1412 | aio_fsync = REQ_FSYNC |
1528 | aio_fsync = REQ_FSYNC |
1413 | aio_fdatasync = REQ_FDATASYNC |
1529 | aio_fdatasync = REQ_FDATASYNC |
1414 | PPCODE: |
1530 | PPCODE: |
1415 | { |
1531 | { |
1416 | dREQ; |
1532 | dREQ; |
… | |
… | |
1420 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1536 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1421 | |
1537 | |
1422 | REQ_SEND (req); |
1538 | REQ_SEND (req); |
1423 | } |
1539 | } |
1424 | |
1540 | |
|
|
1541 | int |
|
|
1542 | _dup (int fd) |
|
|
1543 | PROTOTYPE: $ |
|
|
1544 | CODE: |
|
|
1545 | RETVAL = dup (fd); |
|
|
1546 | OUTPUT: |
|
|
1547 | RETVAL |
|
|
1548 | |
1425 | void |
1549 | void |
|
|
1550 | _aio_close (int fd, SV *callback=&PL_sv_undef) |
|
|
1551 | PROTOTYPE: $;$ |
|
|
1552 | PPCODE: |
|
|
1553 | { |
|
|
1554 | dREQ; |
|
|
1555 | |
|
|
1556 | req->type = REQ_CLOSE; |
|
|
1557 | req->int1 = fd; |
|
|
1558 | |
|
|
1559 | REQ_SEND (req); |
|
|
1560 | } |
|
|
1561 | |
|
|
1562 | void |
1426 | aio_read (SV *fh, SV *offset, UV length, SV8 *data, UV dataoffset, SV *callback=&PL_sv_undef) |
1563 | aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) |
1427 | ALIAS: |
1564 | ALIAS: |
1428 | aio_read = REQ_READ |
1565 | aio_read = REQ_READ |
1429 | aio_write = REQ_WRITE |
1566 | aio_write = REQ_WRITE |
1430 | PROTOTYPE: $$$$$;$ |
1567 | PROTOTYPE: $$$$$;$ |
1431 | PPCODE: |
1568 | PPCODE: |
1432 | { |
1569 | { |
1433 | STRLEN svlen; |
1570 | STRLEN svlen; |
1434 | char *svptr = SvPVbyte (data, svlen); |
1571 | char *svptr = SvPVbyte (data, svlen); |
|
|
1572 | UV len = SvUV (length); |
1435 | |
1573 | |
1436 | SvUPGRADE (data, SVt_PV); |
1574 | SvUPGRADE (data, SVt_PV); |
1437 | SvPOK_on (data); |
1575 | SvPOK_on (data); |
1438 | |
1576 | |
1439 | if (dataoffset < 0) |
1577 | if (dataoffset < 0) |
1440 | dataoffset += svlen; |
1578 | dataoffset += svlen; |
1441 | |
1579 | |
1442 | if (dataoffset < 0 || dataoffset > svlen) |
1580 | if (dataoffset < 0 || dataoffset > svlen) |
1443 | croak ("data offset outside of string"); |
1581 | croak ("dataoffset outside of data scalar"); |
1444 | |
1582 | |
1445 | if (ix == REQ_WRITE) |
1583 | if (ix == REQ_WRITE) |
1446 | { |
1584 | { |
1447 | /* write: check length and adjust. */ |
1585 | /* write: check length and adjust. */ |
1448 | if (length < 0 || length + dataoffset > svlen) |
1586 | if (!SvOK (length) || len + dataoffset > svlen) |
1449 | length = svlen - dataoffset; |
1587 | len = svlen - dataoffset; |
1450 | } |
1588 | } |
1451 | else |
1589 | else |
1452 | { |
1590 | { |
1453 | /* read: grow scalar as necessary */ |
1591 | /* read: grow scalar as necessary */ |
1454 | svptr = SvGROW (data, length + dataoffset + 1); |
1592 | svptr = SvGROW (data, len + dataoffset + 1); |
1455 | } |
1593 | } |
1456 | |
1594 | |
1457 | if (length < 0) |
1595 | if (len < 0) |
1458 | croak ("length must not be negative"); |
1596 | croak ("length must not be negative"); |
1459 | |
1597 | |
1460 | { |
1598 | { |
1461 | dREQ; |
1599 | dREQ; |
1462 | |
1600 | |
1463 | req->type = ix; |
1601 | req->type = ix; |
1464 | req->sv1 = newSVsv (fh); |
1602 | req->sv1 = newSVsv (fh); |
1465 | req->int1 = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
1603 | req->int1 = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
1466 | : IoOFP (sv_2io (fh))); |
1604 | : IoOFP (sv_2io (fh))); |
1467 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
1605 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
1468 | req->size = length; |
1606 | req->size = len; |
1469 | req->sv2 = SvREFCNT_inc (data); |
1607 | req->sv2 = SvREFCNT_inc (data); |
1470 | req->ptr1 = (char *)svptr + dataoffset; |
1608 | req->ptr1 = (char *)svptr + dataoffset; |
1471 | req->stroffset = dataoffset; |
1609 | req->stroffset = dataoffset; |
1472 | |
1610 | |
1473 | if (!SvREADONLY (data)) |
1611 | if (!SvREADONLY (data)) |
… | |
… | |
1590 | |
1728 | |
1591 | REQ_SEND; |
1729 | REQ_SEND; |
1592 | } |
1730 | } |
1593 | |
1731 | |
1594 | void |
1732 | void |
|
|
1733 | aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) |
|
|
1734 | PPCODE: |
|
|
1735 | { |
|
|
1736 | dREQ; |
|
|
1737 | |
|
|
1738 | req->sv1 = newSVsv (fh_or_path); |
|
|
1739 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
|
|
1740 | |
|
|
1741 | if (SvPOK (fh_or_path)) |
|
|
1742 | { |
|
|
1743 | req->type = REQ_TRUNCATE; |
|
|
1744 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1745 | } |
|
|
1746 | else |
|
|
1747 | { |
|
|
1748 | req->type = REQ_FTRUNCATE; |
|
|
1749 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1750 | } |
|
|
1751 | |
|
|
1752 | REQ_SEND; |
|
|
1753 | } |
|
|
1754 | |
|
|
1755 | void |
1595 | aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) |
1756 | aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) |
1596 | PPCODE: |
1757 | PPCODE: |
1597 | { |
1758 | { |
1598 | dREQ; |
1759 | dREQ; |
1599 | |
1760 | |
… | |
… | |
1728 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1889 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1729 | } |
1890 | } |
1730 | |
1891 | |
1731 | void |
1892 | void |
1732 | aio_nop (SV *callback=&PL_sv_undef) |
1893 | aio_nop (SV *callback=&PL_sv_undef) |
|
|
1894 | ALIAS: |
|
|
1895 | aio_nop = REQ_NOP |
|
|
1896 | aio_sync = REQ_SYNC |
1733 | PPCODE: |
1897 | PPCODE: |
1734 | { |
1898 | { |
1735 | dREQ; |
1899 | dREQ; |
1736 | |
1900 | |
1737 | req->type = REQ_NOP; |
1901 | req->type = ix; |
1738 | |
1902 | |
1739 | REQ_SEND; |
1903 | REQ_SEND; |
1740 | } |
1904 | } |
1741 | |
1905 | |
1742 | int |
1906 | int |
… | |
… | |
1808 | CODE: |
1972 | CODE: |
1809 | { |
1973 | { |
1810 | if (block_sig_level) |
1974 | if (block_sig_level) |
1811 | croak ("cannot call IO::AIO::setsig from within aio_block/callback"); |
1975 | croak ("cannot call IO::AIO::setsig from within aio_block/callback"); |
1812 | |
1976 | |
1813 | LOCK (reslock); |
1977 | X_LOCK (reslock); |
1814 | main_tid = pthread_self (); |
1978 | main_tid = pthread_self (); |
1815 | main_sig = signum; |
1979 | main_sig = signum; |
1816 | UNLOCK (reslock); |
1980 | X_UNLOCK (reslock); |
1817 | |
1981 | |
1818 | if (main_sig && npending) |
1982 | if (main_sig && npending) |
1819 | pthread_kill (main_tid, main_sig); |
1983 | pthread_kill (main_tid, main_sig); |
1820 | } |
1984 | } |
1821 | |
1985 | |
… | |
… | |
1828 | |
1992 | |
1829 | block_sig (); |
1993 | block_sig (); |
1830 | PUSHMARK (SP); |
1994 | PUSHMARK (SP); |
1831 | PUTBACK; |
1995 | PUTBACK; |
1832 | count = call_sv (cb, GIMME_V | G_NOARGS | G_EVAL); |
1996 | count = call_sv (cb, GIMME_V | G_NOARGS | G_EVAL); |
1833 | SPAGAIN; |
|
|
1834 | unblock_sig (); |
1997 | unblock_sig (); |
1835 | |
1998 | |
1836 | if (SvTRUE (ERRSV)) |
1999 | if (SvTRUE (ERRSV)) |
1837 | croak (0); |
2000 | croak (0); |
1838 | |
2001 | |
… | |
… | |
1865 | |
2028 | |
1866 | int |
2029 | int |
1867 | nthreads() |
2030 | nthreads() |
1868 | PROTOTYPE: |
2031 | PROTOTYPE: |
1869 | CODE: |
2032 | CODE: |
1870 | if (WORDACCESS_UNSAFE) LOCK (wrklock); |
2033 | if (WORDACCESS_UNSAFE) X_LOCK (wrklock); |
1871 | RETVAL = started; |
2034 | RETVAL = started; |
1872 | if (WORDACCESS_UNSAFE) UNLOCK (wrklock); |
2035 | if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock); |
1873 | OUTPUT: |
2036 | OUTPUT: |
1874 | RETVAL |
2037 | RETVAL |
1875 | |
2038 | |
1876 | PROTOTYPES: DISABLE |
2039 | PROTOTYPES: DISABLE |
1877 | |
2040 | |