1 | #define _REENTRANT 1 |
1 | #include "libeio/xthread.h" |
|
|
2 | |
2 | #include <errno.h> |
3 | #include <errno.h> |
3 | |
4 | |
4 | #include "EXTERN.h" |
5 | #include "EXTERN.h" |
5 | #include "perl.h" |
6 | #include "perl.h" |
6 | #include "XSUB.h" |
7 | #include "XSUB.h" |
7 | |
8 | |
8 | #include "autoconf/config.h" |
9 | #include "schmorp.h" |
9 | |
10 | |
10 | #include <pthread.h> |
11 | #include <stddef.h> |
11 | |
12 | #include <stdlib.h> |
|
|
13 | #include <errno.h> |
12 | #include <sys/types.h> |
14 | #include <sys/types.h> |
13 | #include <sys/stat.h> |
15 | #include <sys/stat.h> |
14 | |
16 | #include <sys/statvfs.h> |
15 | #include <unistd.h> |
17 | #include <limits.h> |
16 | #include <fcntl.h> |
18 | #include <fcntl.h> |
17 | #include <signal.h> |
|
|
18 | #include <sched.h> |
19 | #include <sched.h> |
19 | |
20 | |
20 | #if HAVE_SENDFILE |
21 | #if _POSIX_MEMLOCK |
21 | # if __linux |
|
|
22 | # include <sys/sendfile.h> |
|
|
23 | # elif __freebsd |
|
|
24 | # include <sys/socket.h> |
|
|
25 | # include <sys/uio.h> |
22 | # include <sys/mman.h> |
26 | # elif __hpux |
|
|
27 | # include <sys/socket.h> |
|
|
28 | # endif |
23 | #endif |
29 | #endif |
|
|
30 | |
24 | |
31 | #if __ia64 |
25 | /* perl namespace pollution */ |
32 | # define STACKSIZE 65536 |
26 | #undef VERSION |
|
|
27 | |
|
|
28 | #ifdef _WIN32 |
|
|
29 | |
|
|
30 | # define EIO_STRUCT_DIRENT Direntry_t |
|
|
31 | # undef malloc |
|
|
32 | # undef free |
|
|
33 | |
|
|
34 | // perl overrides all those nice win32 functions |
|
|
35 | # undef open |
|
|
36 | # undef read |
|
|
37 | # undef write |
|
|
38 | # undef send |
|
|
39 | # undef recv |
|
|
40 | # undef stat |
|
|
41 | # undef fstat |
|
|
42 | # define lstat stat |
|
|
43 | # undef truncate |
|
|
44 | # undef ftruncate |
|
|
45 | # undef open |
|
|
46 | # undef close |
|
|
47 | # undef unlink |
|
|
48 | # undef rmdir |
|
|
49 | # undef rename |
|
|
50 | # undef lseek |
|
|
51 | |
|
|
52 | # define chown(a,b,c) (errno = ENOSYS, -1) |
|
|
53 | # define fchown(a,b,c) (errno = ENOSYS, -1) |
|
|
54 | # define fchmod(a,b) (errno = ENOSYS, -1) |
|
|
55 | # define symlink(a,b) (errno = ENOSYS, -1) |
|
|
56 | # define readlink(a,b,c) (errno = ENOSYS, -1) |
|
|
57 | # define mknod(a,b,c) (errno = ENOSYS, -1) |
|
|
58 | # define truncate(a,b) (errno = ENOSYS, -1) |
|
|
59 | # define ftruncate(fd,o) chsize ((fd), (o)) |
|
|
60 | # define fsync(fd) _commit (fd) |
|
|
61 | # define opendir(fd) (errno = ENOSYS, 0) |
|
|
62 | # define readdir(fd) (errno = ENOSYS, -1) |
|
|
63 | # define closedir(fd) (errno = ENOSYS, -1) |
|
|
64 | # define mkdir(a,b) mkdir (a) |
|
|
65 | |
33 | #else |
66 | #else |
34 | # define STACKSIZE 4096 |
67 | |
|
|
68 | # include <sys/time.h> |
|
|
69 | # include <sys/select.h> |
|
|
70 | # include <unistd.h> |
|
|
71 | # include <utime.h> |
|
|
72 | # include <signal.h> |
|
|
73 | # define EIO_STRUCT_DIRENT struct dirent |
|
|
74 | |
35 | #endif |
75 | #endif |
|
|
76 | |
|
|
77 | /* perl stupidly overrides readdir and maybe others */ |
|
|
78 | /* with thread-unsafe versions, imagine that :( */ |
|
|
79 | #undef readdir |
|
|
80 | #undef opendir |
|
|
81 | #undef closedir |
|
|
82 | |
|
|
83 | #define EIO_STRUCT_STAT Stat_t |
|
|
84 | |
|
|
85 | /* use NV for 32 bit perls as it allows larger offsets */ |
|
|
86 | #if IVSIZE >= 8 |
|
|
87 | # define VAL64 IV |
|
|
88 | # define SvVAL64 SvIV |
|
|
89 | # define newSVval64 newSViv |
|
|
90 | #else |
|
|
91 | # define VAL64 NV |
|
|
92 | # define SvVAL64 SvNV |
|
|
93 | # define newSVval64 newSVnv |
|
|
94 | #endif |
|
|
95 | |
|
|
96 | /*****************************************************************************/ |
|
|
97 | |
|
|
98 | #if __GNUC__ >= 3 |
|
|
99 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
|
|
100 | #else |
|
|
101 | # define expect(expr,value) (expr) |
|
|
102 | #endif |
|
|
103 | |
|
|
104 | #define expect_false(expr) expect ((expr) != 0, 0) |
|
|
105 | #define expect_true(expr) expect ((expr) != 0, 1) |
|
|
106 | |
|
|
107 | /*****************************************************************************/ |
|
|
108 | |
|
|
109 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
|
|
110 | typedef int aio_rfd; /* read file desriptor */ |
|
|
111 | typedef int aio_wfd; /* write file descriptor */ |
|
|
112 | |
|
|
113 | static HV *aio_stash, *aio_req_stash, *aio_grp_stash; |
|
|
114 | |
|
|
115 | #define EIO_REQ_MEMBERS \ |
|
|
116 | SV *callback; \ |
|
|
117 | SV *sv1, *sv2; \ |
|
|
118 | STRLEN stroffset; \ |
|
|
119 | SV *self; |
|
|
120 | |
|
|
121 | #define EIO_NO_WRAPPERS 1 |
|
|
122 | |
|
|
123 | #include "libeio/eio.h" |
|
|
124 | |
|
|
125 | #ifndef POSIX_FADV_NORMAL |
|
|
126 | # define POSIX_FADV_NORMAL 0 |
|
|
127 | # define NO_FADVISE 1 |
|
|
128 | #endif |
|
|
129 | #ifndef POSIX_FADV_SEQUENTIAL |
|
|
130 | # define POSIX_FADV_SEQUENTIAL 0 |
|
|
131 | #endif |
|
|
132 | #ifndef POSIX_FADV_RANDOM |
|
|
133 | # define POSIX_FADV_RANDOM 0 |
|
|
134 | #endif |
|
|
135 | #ifndef POSIX_FADV_NOREUSE |
|
|
136 | # define POSIX_FADV_NOREUSE 0 |
|
|
137 | #endif |
|
|
138 | #ifndef POSIX_FADV_WILLNEED |
|
|
139 | # define POSIX_FADV_WILLNEED 0 |
|
|
140 | #endif |
|
|
141 | #ifndef POSIX_FADV_DONTNEED |
|
|
142 | # define POSIX_FADV_DONTNEED 0 |
|
|
143 | #endif |
|
|
144 | |
|
|
145 | #ifndef ST_NODEV |
|
|
146 | # define ST_NODEV 0 |
|
|
147 | #endif |
|
|
148 | #ifndef ST_NOEXEC |
|
|
149 | # define ST_NOEXEC 0 |
|
|
150 | #endif |
|
|
151 | #ifndef ST_SYNCHRONOUS |
|
|
152 | # define ST_SYNCHRONOUS 0 |
|
|
153 | #endif |
|
|
154 | #ifndef ST_MANDLOCK |
|
|
155 | # define ST_MANDLOCK 0 |
|
|
156 | #endif |
|
|
157 | #ifndef ST_WRITE |
|
|
158 | # define ST_WRITE 0 |
|
|
159 | #endif |
|
|
160 | #ifndef ST_APPEND |
|
|
161 | # define ST_APPEND 0 |
|
|
162 | #endif |
|
|
163 | #ifndef ST_IMMUTABLE |
|
|
164 | # define ST_IMMUTABLE 0 |
|
|
165 | #endif |
|
|
166 | #ifndef ST_NOATIME |
|
|
167 | # define ST_NOATIME 0 |
|
|
168 | #endif |
|
|
169 | #ifndef ST_NODIRATIME |
|
|
170 | # define ST_NODIRATIME 0 |
|
|
171 | #endif |
|
|
172 | #ifndef ST_RELATIME |
|
|
173 | # define ST_RELATIME 0 |
|
|
174 | #endif |
|
|
175 | |
|
|
176 | #ifndef MCL_CURRENT |
|
|
177 | # define MCL_CURRENT 0 |
|
|
178 | #endif |
|
|
179 | #ifndef MCL_FUTURE |
|
|
180 | # define MCL_FUTURE 0 |
|
|
181 | #endif |
|
|
182 | |
|
|
183 | static int req_invoke (eio_req *req); |
|
|
184 | #define EIO_FINISH(req) req_invoke (req) |
|
|
185 | static void req_destroy (eio_req *grp); |
|
|
186 | #define EIO_DESTROY(req) req_destroy (req) |
36 | |
187 | |
37 | enum { |
188 | enum { |
38 | REQ_QUIT, |
189 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
39 | REQ_OPEN, REQ_CLOSE, |
|
|
40 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
|
|
41 | REQ_SENDFILE, |
|
|
42 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
|
|
43 | REQ_FSYNC, REQ_FDATASYNC, |
|
|
44 | REQ_UNLINK, REQ_RMDIR, |
|
|
45 | REQ_SYMLINK, |
|
|
46 | }; |
190 | }; |
47 | |
191 | |
48 | typedef struct aio_cb { |
192 | #include "libeio/eio.c" |
49 | struct aio_cb *volatile next; |
|
|
50 | |
193 | |
51 | int type; |
|
|
52 | |
|
|
53 | int fd, fd2; |
|
|
54 | off_t offset; |
|
|
55 | size_t length; |
|
|
56 | ssize_t result; |
|
|
57 | mode_t mode; /* open */ |
|
|
58 | int errorno; |
|
|
59 | SV *data, *callback; |
|
|
60 | SV *fh, *fh2; |
|
|
61 | void *dataptr, *data2ptr; |
|
|
62 | STRLEN dataoffset; |
|
|
63 | |
|
|
64 | Stat_t *statdata; |
|
|
65 | } aio_cb; |
|
|
66 | |
|
|
67 | typedef aio_cb *aio_req; |
194 | typedef eio_req *aio_req; |
|
|
195 | typedef eio_req *aio_req_ornot; |
68 | |
196 | |
69 | static int started, wanted; |
197 | static SV *on_next_submit; |
70 | static volatile int nreqs; |
198 | static int next_pri = EIO_PRI_DEFAULT; |
71 | static int max_outstanding = 1<<30; |
199 | static int max_outstanding; |
72 | static int respipe [2]; |
|
|
73 | |
200 | |
74 | static pthread_mutex_t reslock = PTHREAD_MUTEX_INITIALIZER; |
201 | static s_epipe respipe; |
75 | static pthread_mutex_t reqlock = PTHREAD_MUTEX_INITIALIZER; |
|
|
76 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
|
|
77 | |
202 | |
78 | static volatile aio_req reqs, reqe; /* queue start, queue end */ |
203 | static void req_destroy (aio_req req); |
79 | static volatile aio_req ress, rese; /* queue start, queue end */ |
|
|
80 | |
|
|
81 | static void free_req (aio_req req) |
204 | static void req_cancel (aio_req req); |
82 | { |
|
|
83 | if (req->data) |
|
|
84 | SvREFCNT_dec (req->data); |
|
|
85 | |
205 | |
|
|
206 | static void want_poll (void) |
|
|
207 | { |
|
|
208 | /* write a dummy byte to the pipe so fh becomes ready */ |
|
|
209 | s_epipe_signal (&respipe); |
|
|
210 | } |
|
|
211 | |
|
|
212 | static void done_poll (void) |
|
|
213 | { |
|
|
214 | /* read any signals sent by the worker threads */ |
|
|
215 | s_epipe_drain (&respipe); |
|
|
216 | } |
|
|
217 | |
|
|
218 | /* must be called at most once */ |
|
|
219 | static SV *req_sv (aio_req req, HV *stash) |
|
|
220 | { |
|
|
221 | if (!req->self) |
|
|
222 | { |
|
|
223 | req->self = (SV *)newHV (); |
|
|
224 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
|
|
225 | } |
|
|
226 | |
|
|
227 | return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); |
|
|
228 | } |
|
|
229 | |
|
|
230 | static aio_req SvAIO_REQ (SV *sv) |
|
|
231 | { |
|
|
232 | MAGIC *mg; |
|
|
233 | |
|
|
234 | if (!SvROK (sv) |
|
|
235 | || (SvSTASH (SvRV (sv)) != aio_grp_stash |
|
|
236 | && SvSTASH (SvRV (sv)) != aio_req_stash |
|
|
237 | && !sv_derived_from (sv, "IO::AIO::REQ"))) |
|
|
238 | croak ("object of class IO::AIO::REQ expected"); |
|
|
239 | |
|
|
240 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
|
|
241 | |
|
|
242 | return mg ? (aio_req)mg->mg_ptr : 0; |
|
|
243 | } |
|
|
244 | |
|
|
245 | static void aio_grp_feed (aio_req grp) |
|
|
246 | { |
|
|
247 | if (grp->sv2 && SvOK (grp->sv2)) |
|
|
248 | { |
|
|
249 | dSP; |
|
|
250 | |
|
|
251 | ENTER; |
|
|
252 | SAVETMPS; |
|
|
253 | PUSHMARK (SP); |
|
|
254 | XPUSHs (req_sv (grp, aio_grp_stash)); |
|
|
255 | PUTBACK; |
|
|
256 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
|
|
257 | SPAGAIN; |
|
|
258 | FREETMPS; |
|
|
259 | LEAVE; |
|
|
260 | } |
|
|
261 | } |
|
|
262 | |
|
|
263 | static void req_submit (eio_req *req) |
|
|
264 | { |
|
|
265 | eio_submit (req); |
|
|
266 | |
|
|
267 | if (expect_false (on_next_submit)) |
|
|
268 | { |
|
|
269 | dSP; |
|
|
270 | SV *cb = sv_2mortal (on_next_submit); |
|
|
271 | |
|
|
272 | on_next_submit = 0; |
|
|
273 | |
|
|
274 | PUSHMARK (SP); |
|
|
275 | PUTBACK; |
|
|
276 | call_sv (cb, G_DISCARD | G_EVAL); |
|
|
277 | } |
|
|
278 | } |
|
|
279 | |
|
|
280 | static int req_invoke (eio_req *req) |
|
|
281 | { |
|
|
282 | dSP; |
|
|
283 | |
|
|
284 | if (req->flags & FLAG_SV2_RO_OFF) |
|
|
285 | SvREADONLY_off (req->sv2); |
|
|
286 | |
|
|
287 | if (!EIO_CANCELLED (req) && req->callback) |
|
|
288 | { |
|
|
289 | ENTER; |
|
|
290 | SAVETMPS; |
|
|
291 | PUSHMARK (SP); |
|
|
292 | EXTEND (SP, 1); |
|
|
293 | |
|
|
294 | switch (req->type) |
|
|
295 | { |
|
|
296 | case EIO_READDIR: |
|
|
297 | { |
|
|
298 | SV *rv = &PL_sv_undef; |
|
|
299 | |
|
|
300 | if (req->result >= 0) |
|
|
301 | { |
|
|
302 | int i; |
|
|
303 | char *names = (char *)req->ptr2; |
|
|
304 | eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */ |
|
|
305 | AV *av = newAV (); |
|
|
306 | |
|
|
307 | av_extend (av, req->result - 1); |
|
|
308 | |
|
|
309 | for (i = 0; i < req->result; ++i) |
|
|
310 | { |
|
|
311 | if (req->int1 & EIO_READDIR_DENTS) |
|
|
312 | { |
|
|
313 | SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen); |
|
|
314 | |
|
|
315 | if (req->int1 & EIO_READDIR_CUSTOM2) |
|
|
316 | { |
|
|
317 | static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */ |
|
|
318 | AV *avent = newAV (); |
|
|
319 | |
|
|
320 | av_extend (avent, 2); |
|
|
321 | |
|
|
322 | if (!sv_type [ent->type]) |
|
|
323 | { |
|
|
324 | sv_type [ent->type] = newSViv (ent->type); |
|
|
325 | SvREADONLY_on (sv_type [ent->type]); |
|
|
326 | } |
|
|
327 | |
|
|
328 | av_store (avent, 0, namesv); |
|
|
329 | av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type])); |
|
|
330 | av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode)); |
|
|
331 | |
|
|
332 | av_store (av, i, newRV_noinc ((SV *)avent)); |
|
|
333 | } |
|
|
334 | else |
|
|
335 | av_store (av, i, namesv); |
|
|
336 | |
|
|
337 | ++ent; |
|
|
338 | } |
|
|
339 | else |
|
|
340 | { |
|
|
341 | SV *name = newSVpv (names, 0); |
|
|
342 | av_store (av, i, name); |
|
|
343 | names += SvCUR (name) + 1; |
|
|
344 | } |
|
|
345 | } |
|
|
346 | |
|
|
347 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
|
|
348 | } |
|
|
349 | |
|
|
350 | PUSHs (rv); |
|
|
351 | |
|
|
352 | if (req->int1 & EIO_READDIR_CUSTOM1) |
|
|
353 | XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); |
|
|
354 | } |
|
|
355 | break; |
|
|
356 | |
|
|
357 | case EIO_OPEN: |
|
|
358 | { |
|
|
359 | /* convert fd to fh */ |
|
|
360 | SV *fh = &PL_sv_undef; |
|
|
361 | |
|
|
362 | if (req->result >= 0) |
|
|
363 | { |
|
|
364 | GV *gv = (GV *)sv_newmortal (); |
|
|
365 | int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); |
|
|
366 | char sym [64]; |
|
|
367 | int symlen; |
|
|
368 | |
|
|
369 | symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); |
|
|
370 | gv_init (gv, aio_stash, sym, symlen, 0); |
|
|
371 | |
|
|
372 | symlen = snprintf ( |
|
|
373 | sym, |
|
|
374 | sizeof (sym), |
|
|
375 | "%s&=%d", |
|
|
376 | flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<", |
|
|
377 | (int)req->result |
|
|
378 | ); |
|
|
379 | |
|
|
380 | if (do_open (gv, sym, symlen, 0, 0, 0, 0)) |
|
|
381 | fh = (SV *)gv; |
|
|
382 | } |
|
|
383 | |
|
|
384 | PUSHs (fh); |
|
|
385 | } |
|
|
386 | break; |
|
|
387 | |
|
|
388 | case EIO_STATVFS: |
|
|
389 | case EIO_FSTATVFS: |
|
|
390 | { |
|
|
391 | SV *rv = &PL_sv_undef; |
|
|
392 | |
|
|
393 | if (req->result >= 0) |
|
|
394 | { |
|
|
395 | EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); |
|
|
396 | HV *hv = newHV (); |
|
|
397 | |
|
|
398 | rv = sv_2mortal (newRV_noinc ((SV *)hv)); |
|
|
399 | |
|
|
400 | hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); |
|
|
401 | hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); |
|
|
402 | hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0); |
|
|
403 | hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); |
|
|
404 | hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); |
|
|
405 | hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); |
|
|
406 | hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); |
|
|
407 | hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); |
|
|
408 | hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); |
|
|
409 | hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); |
|
|
410 | hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); |
|
|
411 | } |
|
|
412 | |
|
|
413 | PUSHs (rv); |
|
|
414 | } |
|
|
415 | |
|
|
416 | break; |
|
|
417 | |
|
|
418 | case EIO_GROUP: |
|
|
419 | req->int1 = 2; /* mark group as finished */ |
|
|
420 | |
|
|
421 | if (req->sv1) |
|
|
422 | { |
|
|
423 | int i; |
|
|
424 | AV *av = (AV *)req->sv1; |
|
|
425 | |
|
|
426 | EXTEND (SP, AvFILL (av) + 1); |
|
|
427 | for (i = 0; i <= AvFILL (av); ++i) |
|
|
428 | PUSHs (*av_fetch (av, i, 0)); |
|
|
429 | } |
|
|
430 | break; |
|
|
431 | |
|
|
432 | case EIO_NOP: |
|
|
433 | case EIO_BUSY: |
|
|
434 | break; |
|
|
435 | |
|
|
436 | case EIO_READLINK: |
|
|
437 | if (req->result > 0) |
|
|
438 | PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); |
|
|
439 | break; |
|
|
440 | |
|
|
441 | case EIO_STAT: |
|
|
442 | case EIO_LSTAT: |
|
|
443 | case EIO_FSTAT: |
|
|
444 | PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
445 | PL_laststatval = req->result; |
|
|
446 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
|
|
447 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
448 | break; |
|
|
449 | |
|
|
450 | case EIO_READ: |
|
|
451 | { |
|
|
452 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
|
|
453 | *SvEND (req->sv2) = 0; |
|
|
454 | SvPOK_only (req->sv2); |
|
|
455 | SvSETMAGIC (req->sv2); |
|
|
456 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
457 | } |
|
|
458 | break; |
|
|
459 | |
|
|
460 | case EIO_DUP2: |
|
|
461 | if (req->result > 0) |
|
|
462 | req->result = 0; |
|
|
463 | /* FALLTHROUGH */ |
|
|
464 | |
|
|
465 | default: |
|
|
466 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
467 | break; |
|
|
468 | } |
|
|
469 | |
|
|
470 | errno = req->errorno; |
|
|
471 | |
|
|
472 | PUTBACK; |
|
|
473 | call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
|
|
474 | SPAGAIN; |
|
|
475 | |
|
|
476 | FREETMPS; |
|
|
477 | LEAVE; |
|
|
478 | |
|
|
479 | PUTBACK; |
|
|
480 | } |
|
|
481 | |
|
|
482 | return !!SvTRUE (ERRSV); |
|
|
483 | } |
|
|
484 | |
|
|
485 | static void req_destroy (aio_req req) |
|
|
486 | { |
86 | if (req->fh) |
487 | if (req->self) |
|
|
488 | { |
|
|
489 | sv_unmagic (req->self, PERL_MAGIC_ext); |
87 | SvREFCNT_dec (req->fh); |
490 | SvREFCNT_dec (req->self); |
|
|
491 | } |
88 | |
492 | |
89 | if (req->fh2) |
493 | SvREFCNT_dec (req->sv1); |
90 | SvREFCNT_dec (req->fh2); |
494 | SvREFCNT_dec (req->sv2); |
91 | |
|
|
92 | if (req->statdata) |
|
|
93 | Safefree (req->statdata); |
|
|
94 | |
|
|
95 | if (req->callback) |
|
|
96 | SvREFCNT_dec (req->callback); |
495 | SvREFCNT_dec (req->callback); |
97 | |
496 | |
98 | Safefree (req); |
497 | Safefree (req); |
99 | } |
498 | } |
100 | |
499 | |
|
|
500 | static void req_cancel_subs (aio_req grp) |
|
|
501 | { |
|
|
502 | aio_req sub; |
|
|
503 | |
|
|
504 | if (grp->type != EIO_GROUP) |
|
|
505 | return; |
|
|
506 | |
|
|
507 | SvREFCNT_dec (grp->sv2); |
|
|
508 | grp->sv2 = 0; |
|
|
509 | |
|
|
510 | eio_grp_cancel (grp); |
|
|
511 | } |
|
|
512 | |
101 | static void |
513 | static void |
102 | poll_wait () |
514 | create_respipe (void) |
103 | { |
515 | { |
104 | if (nreqs && !ress) |
516 | if (s_epipe_renew (&respipe)) |
|
|
517 | croak ("IO::AIO: unable to initialize result pipe"); |
|
|
518 | } |
|
|
519 | |
|
|
520 | static void poll_wait (void) |
|
|
521 | { |
|
|
522 | while (eio_nreqs ()) |
105 | { |
523 | { |
106 | fd_set rfd; |
524 | int size; |
107 | FD_ZERO(&rfd); |
|
|
108 | FD_SET(respipe [0], &rfd); |
|
|
109 | |
525 | |
110 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
526 | X_LOCK (reslock); |
|
|
527 | size = res_queue.size; |
|
|
528 | X_UNLOCK (reslock); |
|
|
529 | |
|
|
530 | if (size) |
|
|
531 | return; |
|
|
532 | |
|
|
533 | etp_maybe_start_thread (); |
|
|
534 | |
|
|
535 | s_epipe_wait (&respipe); |
111 | } |
536 | } |
112 | } |
537 | } |
113 | |
538 | |
114 | static int |
539 | static int poll_cb (void) |
115 | poll_cb () |
|
|
116 | { |
540 | { |
117 | dSP; |
|
|
118 | int count = 0; |
|
|
119 | int do_croak = 0; |
|
|
120 | aio_req req; |
|
|
121 | |
|
|
122 | for (;;) |
541 | for (;;) |
123 | { |
542 | { |
124 | pthread_mutex_lock (&reslock); |
543 | int res = eio_poll (); |
125 | req = ress; |
|
|
126 | |
544 | |
127 | if (req) |
545 | if (res > 0) |
128 | { |
|
|
129 | ress = req->next; |
|
|
130 | |
|
|
131 | if (!ress) |
|
|
132 | { |
|
|
133 | /* read any signals sent by the worker threads */ |
|
|
134 | char buf [32]; |
|
|
135 | while (read (respipe [0], buf, 32) == 32) |
|
|
136 | ; |
|
|
137 | |
|
|
138 | rese = 0; |
|
|
139 | } |
|
|
140 | } |
|
|
141 | |
|
|
142 | pthread_mutex_unlock (&reslock); |
|
|
143 | |
|
|
144 | if (!req) |
|
|
145 | break; |
|
|
146 | |
|
|
147 | nreqs--; |
|
|
148 | |
|
|
149 | if (req->type == REQ_QUIT) |
|
|
150 | started--; |
|
|
151 | else |
|
|
152 | { |
|
|
153 | int errorno = errno; |
|
|
154 | errno = req->errorno; |
|
|
155 | |
|
|
156 | if (req->type == REQ_READ) |
|
|
157 | SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0)); |
|
|
158 | |
|
|
159 | if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE)) |
|
|
160 | SvREADONLY_off (req->data); |
|
|
161 | |
|
|
162 | if (req->statdata) |
|
|
163 | { |
|
|
164 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
165 | PL_laststatval = req->result; |
|
|
166 | PL_statcache = *(req->statdata); |
|
|
167 | } |
|
|
168 | |
|
|
169 | ENTER; |
|
|
170 | PUSHMARK (SP); |
|
|
171 | XPUSHs (sv_2mortal (newSViv (req->result))); |
|
|
172 | |
|
|
173 | if (req->type == REQ_OPEN) |
|
|
174 | { |
|
|
175 | /* convert fd to fh */ |
|
|
176 | SV *fh; |
|
|
177 | |
|
|
178 | PUTBACK; |
|
|
179 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
|
|
180 | SPAGAIN; |
|
|
181 | |
|
|
182 | fh = SvREFCNT_inc (POPs); |
|
|
183 | |
|
|
184 | PUSHMARK (SP); |
|
|
185 | XPUSHs (sv_2mortal (fh)); |
|
|
186 | } |
|
|
187 | |
|
|
188 | if (SvOK (req->callback)) |
|
|
189 | { |
|
|
190 | PUTBACK; |
|
|
191 | call_sv (req->callback, G_VOID | G_EVAL); |
|
|
192 | SPAGAIN; |
|
|
193 | |
|
|
194 | if (SvTRUE (ERRSV)) |
|
|
195 | { |
|
|
196 | free_req (req); |
|
|
197 | croak (0); |
546 | croak (0); |
198 | } |
|
|
199 | } |
|
|
200 | |
547 | |
201 | LEAVE; |
548 | if (!max_outstanding || max_outstanding > eio_nreqs ()) |
|
|
549 | return res; |
202 | |
550 | |
203 | errno = errorno; |
551 | poll_wait (); |
204 | count++; |
|
|
205 | } |
|
|
206 | |
|
|
207 | free_req (req); |
|
|
208 | } |
552 | } |
209 | |
|
|
210 | return count; |
|
|
211 | } |
|
|
212 | |
|
|
213 | static void *aio_proc(void *arg); |
|
|
214 | |
|
|
215 | static void |
|
|
216 | start_thread (void) |
|
|
217 | { |
|
|
218 | sigset_t fullsigset, oldsigset; |
|
|
219 | pthread_t tid; |
|
|
220 | pthread_attr_t attr; |
|
|
221 | |
|
|
222 | pthread_attr_init (&attr); |
|
|
223 | pthread_attr_setstacksize (&attr, STACKSIZE); |
|
|
224 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
|
|
225 | |
|
|
226 | sigfillset (&fullsigset); |
|
|
227 | sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset); |
|
|
228 | |
|
|
229 | if (pthread_create (&tid, &attr, aio_proc, 0) == 0) |
|
|
230 | started++; |
|
|
231 | |
|
|
232 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
|
|
233 | } |
|
|
234 | |
|
|
235 | static void |
|
|
236 | send_req (aio_req req) |
|
|
237 | { |
|
|
238 | while (started < wanted && nreqs >= started) |
|
|
239 | start_thread (); |
|
|
240 | |
|
|
241 | nreqs++; |
|
|
242 | |
|
|
243 | pthread_mutex_lock (&reqlock); |
|
|
244 | |
|
|
245 | req->next = 0; |
|
|
246 | |
|
|
247 | if (reqe) |
|
|
248 | { |
|
|
249 | reqe->next = req; |
|
|
250 | reqe = req; |
|
|
251 | } |
|
|
252 | else |
|
|
253 | reqe = reqs = req; |
|
|
254 | |
|
|
255 | pthread_cond_signal (&reqwait); |
|
|
256 | pthread_mutex_unlock (&reqlock); |
|
|
257 | |
|
|
258 | if (nreqs > max_outstanding) |
|
|
259 | for (;;) |
|
|
260 | { |
|
|
261 | poll_cb (); |
|
|
262 | |
|
|
263 | if (nreqs <= max_outstanding) |
|
|
264 | break; |
|
|
265 | |
|
|
266 | poll_wait (); |
|
|
267 | } |
|
|
268 | } |
|
|
269 | |
|
|
270 | static void |
|
|
271 | end_thread (void) |
|
|
272 | { |
|
|
273 | aio_req req; |
|
|
274 | Newz (0, req, 1, aio_cb); |
|
|
275 | req->type = REQ_QUIT; |
|
|
276 | |
|
|
277 | send_req (req); |
|
|
278 | } |
|
|
279 | |
|
|
280 | static void min_parallel (int nthreads) |
|
|
281 | { |
|
|
282 | if (wanted < nthreads) |
|
|
283 | wanted = nthreads; |
|
|
284 | } |
|
|
285 | |
|
|
286 | static void max_parallel (int nthreads) |
|
|
287 | { |
|
|
288 | int cur = started; |
|
|
289 | |
|
|
290 | if (wanted > nthreads) |
|
|
291 | wanted = nthreads; |
|
|
292 | |
|
|
293 | while (cur > wanted) |
|
|
294 | { |
|
|
295 | end_thread (); |
|
|
296 | cur--; |
|
|
297 | } |
|
|
298 | |
|
|
299 | while (started > wanted) |
|
|
300 | { |
|
|
301 | poll_wait (); |
|
|
302 | poll_cb (); |
|
|
303 | } |
|
|
304 | } |
|
|
305 | |
|
|
306 | static void create_pipe () |
|
|
307 | { |
|
|
308 | if (pipe (respipe)) |
|
|
309 | croak ("unable to initialize result pipe"); |
|
|
310 | |
|
|
311 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)) |
|
|
312 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
313 | |
|
|
314 | if (fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
|
|
315 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
316 | } |
|
|
317 | |
|
|
318 | static void atfork_prepare (void) |
|
|
319 | { |
|
|
320 | pthread_mutex_lock (&reqlock); |
|
|
321 | pthread_mutex_lock (&reslock); |
|
|
322 | } |
|
|
323 | |
|
|
324 | static void atfork_parent (void) |
|
|
325 | { |
|
|
326 | pthread_mutex_unlock (&reslock); |
|
|
327 | pthread_mutex_unlock (&reqlock); |
|
|
328 | } |
553 | } |
329 | |
554 | |
330 | static void atfork_child (void) |
555 | static void atfork_child (void) |
331 | { |
556 | { |
332 | aio_req prv; |
|
|
333 | |
|
|
334 | started = 0; |
|
|
335 | |
|
|
336 | while (reqs) |
|
|
337 | { |
|
|
338 | prv = reqs; |
|
|
339 | reqs = prv->next; |
|
|
340 | free_req (prv); |
|
|
341 | } |
|
|
342 | |
|
|
343 | reqs = reqe = 0; |
|
|
344 | |
|
|
345 | while (ress) |
|
|
346 | { |
|
|
347 | prv = ress; |
|
|
348 | ress = prv->next; |
|
|
349 | free_req (prv); |
|
|
350 | } |
|
|
351 | |
|
|
352 | ress = rese = 0; |
|
|
353 | |
|
|
354 | close (respipe [0]); |
|
|
355 | close (respipe [1]); |
|
|
356 | create_pipe (); |
557 | create_respipe (); |
357 | |
|
|
358 | atfork_parent (); |
|
|
359 | } |
558 | } |
360 | |
559 | |
361 | /*****************************************************************************/ |
|
|
362 | /* work around various missing functions */ |
|
|
363 | |
|
|
364 | #if !HAVE_PREADWRITE |
|
|
365 | # define pread aio_pread |
|
|
366 | # define pwrite aio_pwrite |
|
|
367 | |
|
|
368 | /* |
|
|
369 | * make our pread/pwrite safe against themselves, but not against |
|
|
370 | * normal read/write by using a mutex. slows down execution a lot, |
|
|
371 | * but that's your problem, not mine. |
|
|
372 | */ |
|
|
373 | static pthread_mutex_t iolock = PTHREAD_MUTEX_INITIALIZER; |
|
|
374 | |
|
|
375 | static ssize_t |
|
|
376 | pread (int fd, void *buf, size_t count, off_t offset) |
|
|
377 | { |
|
|
378 | ssize_t res; |
|
|
379 | off_t ooffset; |
|
|
380 | |
|
|
381 | pthread_mutex_lock (&iolock); |
|
|
382 | ooffset = lseek (fd, 0, SEEK_CUR); |
|
|
383 | lseek (fd, offset, SEEK_SET); |
|
|
384 | res = read (fd, buf, count); |
|
|
385 | lseek (fd, ooffset, SEEK_SET); |
|
|
386 | pthread_mutex_unlock (&iolock); |
|
|
387 | |
|
|
388 | return res; |
|
|
389 | } |
|
|
390 | |
|
|
391 | static ssize_t |
|
|
392 | pwrite (int fd, void *buf, size_t count, off_t offset) |
|
|
393 | { |
|
|
394 | ssize_t res; |
|
|
395 | off_t ooffset; |
|
|
396 | |
|
|
397 | pthread_mutex_lock (&iolock); |
|
|
398 | ooffset = lseek (fd, 0, SEEK_CUR); |
|
|
399 | lseek (fd, offset, SEEK_SET); |
|
|
400 | res = write (fd, buf, count); |
|
|
401 | lseek (fd, offset, SEEK_SET); |
|
|
402 | pthread_mutex_unlock (&iolock); |
|
|
403 | |
|
|
404 | return res; |
|
|
405 | } |
|
|
406 | #endif |
|
|
407 | |
|
|
408 | #if !HAVE_FDATASYNC |
|
|
409 | # define fdatasync fsync |
|
|
410 | #endif |
|
|
411 | |
|
|
412 | #if !HAVE_READAHEAD |
|
|
413 | # define readahead aio_readahead |
|
|
414 | |
|
|
415 | static char readahead_buf[4096]; |
|
|
416 | |
|
|
417 | static ssize_t |
|
|
418 | readahead (int fd, off_t offset, size_t count) |
|
|
419 | { |
|
|
420 | while (count > 0) |
|
|
421 | { |
|
|
422 | size_t len = count < sizeof (readahead_buf) ? count : sizeof (readahead_buf); |
|
|
423 | |
|
|
424 | pread (fd, readahead_buf, len, offset); |
|
|
425 | offset += len; |
|
|
426 | count -= len; |
|
|
427 | } |
|
|
428 | |
|
|
429 | errno = 0; |
|
|
430 | } |
|
|
431 | #endif |
|
|
432 | |
|
|
433 | /* sendfile always needs emulation */ |
|
|
434 | static ssize_t |
|
|
435 | sendfile_ (int ofd, int ifd, off_t offset, size_t count) |
|
|
436 | { |
|
|
437 | ssize_t res; |
|
|
438 | |
|
|
439 | if (!count) |
|
|
440 | return 0; |
|
|
441 | |
|
|
442 | #if __linux |
|
|
443 | res = sendfile (ofd, ifd, &offset, count); |
|
|
444 | |
|
|
445 | #elif __freebsd |
|
|
446 | /* |
|
|
447 | * Of course, the freebsd sendfile is a dire hack with no thoughts |
|
|
448 | * wasted on making it similar to other i/o functions. |
|
|
449 | */ |
|
|
450 | { |
|
|
451 | off_t sbytes; |
|
|
452 | res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0); |
|
|
453 | |
|
|
454 | if (!res && errno == EAGAIN) |
|
|
455 | /* maybe on others, too, as usual, the manpage leaves you guessing */ |
|
|
456 | res = sbytes; |
|
|
457 | } |
|
|
458 | |
|
|
459 | #elif __hpux |
|
|
460 | res = sendfile (ofd, ifd, offset, count, 0, 0); |
|
|
461 | |
|
|
462 | #else |
|
|
463 | res = -1; |
|
|
464 | errno = ENOSYS; |
|
|
465 | #endif |
|
|
466 | |
|
|
467 | if (res < 0 && (errno == ENOSYS || errno == EINVAL || errno == ENOTSOCK)) |
|
|
468 | { |
|
|
469 | /* emulate sendfile. this is a major pain in the ass */ |
|
|
470 | char *buf = malloc (4096); |
|
|
471 | res = 0; |
|
|
472 | |
|
|
473 | for (;;) |
|
|
474 | { |
|
|
475 | ssize_t cnt; |
|
|
476 | |
|
|
477 | cnt = pread (ifd, buf, 4096, offset); |
|
|
478 | |
|
|
479 | if (cnt <= 0) |
|
|
480 | { |
|
|
481 | if (cnt && !res) res = -1; |
|
|
482 | break; |
|
|
483 | } |
|
|
484 | |
|
|
485 | cnt = write (ofd, buf, cnt); |
|
|
486 | |
|
|
487 | if (cnt <= 0) |
|
|
488 | { |
|
|
489 | if (cnt && !res) res = -1; |
|
|
490 | break; |
|
|
491 | } |
|
|
492 | |
|
|
493 | offset += cnt; |
|
|
494 | res += cnt; |
|
|
495 | } |
|
|
496 | |
|
|
497 | { |
|
|
498 | int errorno = errno; |
|
|
499 | free (buf); |
|
|
500 | errno = errorno; |
|
|
501 | } |
|
|
502 | } |
|
|
503 | |
|
|
504 | return res; |
|
|
505 | } |
|
|
506 | |
|
|
507 | /*****************************************************************************/ |
|
|
508 | |
|
|
509 | static void * |
560 | static SV * |
510 | aio_proc (void *thr_arg) |
561 | get_cb (SV *cb_sv) |
511 | { |
562 | { |
512 | aio_req req; |
563 | SvGETMAGIC (cb_sv); |
513 | int type; |
564 | return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; |
514 | |
|
|
515 | do |
|
|
516 | { |
|
|
517 | pthread_mutex_lock (&reqlock); |
|
|
518 | |
|
|
519 | for (;;) |
|
|
520 | { |
|
|
521 | req = reqs; |
|
|
522 | |
|
|
523 | if (reqs) |
|
|
524 | { |
|
|
525 | reqs = reqs->next; |
|
|
526 | if (!reqs) reqe = 0; |
|
|
527 | } |
|
|
528 | |
|
|
529 | if (req) |
|
|
530 | break; |
|
|
531 | |
|
|
532 | pthread_cond_wait (&reqwait, &reqlock); |
|
|
533 | } |
|
|
534 | |
|
|
535 | pthread_mutex_unlock (&reqlock); |
|
|
536 | |
|
|
537 | errno = 0; /* strictly unnecessary */ |
|
|
538 | |
|
|
539 | type = req->type; |
|
|
540 | |
|
|
541 | switch (type) |
|
|
542 | { |
|
|
543 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
|
|
544 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
|
|
545 | |
|
|
546 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
|
|
547 | case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length); break; |
|
|
548 | |
|
|
549 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
|
|
550 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
|
|
551 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
|
|
552 | |
|
|
553 | case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; |
|
|
554 | case REQ_CLOSE: req->result = close (req->fd); break; |
|
|
555 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
|
|
556 | case REQ_RMDIR: req->result = rmdir (req->dataptr); break; |
|
|
557 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
|
|
558 | |
|
|
559 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
|
|
560 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
|
|
561 | |
|
|
562 | case REQ_QUIT: |
|
|
563 | break; |
|
|
564 | |
|
|
565 | default: |
|
|
566 | req->result = ENOSYS; |
|
|
567 | break; |
|
|
568 | } |
|
|
569 | |
|
|
570 | req->errorno = errno; |
|
|
571 | |
|
|
572 | pthread_mutex_lock (&reslock); |
|
|
573 | |
|
|
574 | req->next = 0; |
|
|
575 | |
|
|
576 | if (rese) |
|
|
577 | { |
|
|
578 | rese->next = req; |
|
|
579 | rese = req; |
|
|
580 | } |
|
|
581 | else |
|
|
582 | { |
|
|
583 | rese = ress = req; |
|
|
584 | |
|
|
585 | /* write a dummy byte to the pipe so fh becomes ready */ |
|
|
586 | write (respipe [1], &respipe, 1); |
|
|
587 | } |
|
|
588 | |
|
|
589 | pthread_mutex_unlock (&reslock); |
|
|
590 | } |
|
|
591 | while (type != REQ_QUIT); |
|
|
592 | |
|
|
593 | return 0; |
|
|
594 | } |
565 | } |
595 | |
566 | |
596 | #define dREQ \ |
567 | #define dREQ \ |
|
|
568 | SV *cb_cv; \ |
597 | aio_req req; \ |
569 | aio_req req; \ |
|
|
570 | int req_pri = next_pri; \ |
|
|
571 | next_pri = EIO_PRI_DEFAULT; \ |
598 | \ |
572 | \ |
599 | if (SvOK (callback) && !SvROK (callback)) \ |
573 | cb_cv = get_cb (callback); \ |
600 | croak ("clalback must be undef or of reference type"); \ |
|
|
601 | \ |
574 | \ |
602 | Newz (0, req, 1, aio_cb); \ |
575 | Newz (0, req, 1, eio_req); \ |
603 | if (!req) \ |
576 | if (!req) \ |
604 | croak ("out of memory during aio_req allocation"); \ |
577 | croak ("out of memory during eio_req allocation"); \ |
605 | \ |
578 | \ |
606 | req->callback = newSVsv (callback); |
579 | req->callback = SvREFCNT_inc (cb_cv); \ |
607 | |
580 | req->pri = req_pri |
|
|
581 | |
|
|
582 | #define REQ_SEND \ |
|
|
583 | PUTBACK; \ |
|
|
584 | req_submit (req); \ |
|
|
585 | SPAGAIN; \ |
|
|
586 | \ |
|
|
587 | if (GIMME_V != G_VOID) \ |
|
|
588 | XPUSHs (req_sv (req, aio_req_stash)); |
|
|
589 | |
608 | MODULE = IO::AIO PACKAGE = IO::AIO |
590 | MODULE = IO::AIO PACKAGE = IO::AIO |
609 | |
591 | |
610 | PROTOTYPES: ENABLE |
592 | PROTOTYPES: ENABLE |
611 | |
593 | |
612 | BOOT: |
594 | BOOT: |
613 | { |
595 | { |
|
|
596 | static const struct { |
|
|
597 | const char *name; |
|
|
598 | IV iv; |
|
|
599 | } *civ, const_iv[] = { |
|
|
600 | # define const_iv(name, value) { # name, (IV) value }, |
|
|
601 | # define const_eio(name) { # name, (IV) EIO_ ## name }, |
|
|
602 | const_iv (EXDEV , EXDEV) |
|
|
603 | const_iv (ENOSYS , ENOSYS) |
|
|
604 | const_iv (O_RDONLY, O_RDONLY) |
|
|
605 | const_iv (O_WRONLY, O_WRONLY) |
|
|
606 | const_iv (O_CREAT , O_CREAT) |
|
|
607 | const_iv (O_TRUNC , O_TRUNC) |
|
|
608 | #ifndef _WIN32 |
|
|
609 | const_iv (S_IFIFO , S_IFIFO) |
|
|
610 | #endif |
|
|
611 | const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) |
|
|
612 | const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) |
|
|
613 | const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) |
|
|
614 | const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) |
|
|
615 | const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) |
|
|
616 | const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED) |
|
|
617 | |
|
|
618 | const_iv (ST_RDONLY , ST_RDONLY) |
|
|
619 | const_iv (ST_NOSUID , ST_NOSUID) |
|
|
620 | const_iv (ST_NODEV , ST_NODEV) |
|
|
621 | const_iv (ST_NOEXEC , ST_NOEXEC) |
|
|
622 | const_iv (ST_SYNCHRONOUS , ST_SYNCHRONOUS) |
|
|
623 | const_iv (ST_MANDLOCK , ST_MANDLOCK) |
|
|
624 | const_iv (ST_WRITE , ST_WRITE) |
|
|
625 | const_iv (ST_APPEND , ST_APPEND) |
|
|
626 | const_iv (ST_IMMUTABLE , ST_IMMUTABLE) |
|
|
627 | const_iv (ST_NOATIME , ST_NOATIME) |
|
|
628 | const_iv (ST_NODIRATIME , ST_NODIRATIME) |
|
|
629 | const_iv (ST_RELATIME , ST_RELATIME) |
|
|
630 | |
|
|
631 | const_iv (MCL_FUTURE , MCL_FUTURE) |
|
|
632 | const_iv (MCL_CURRENT , MCL_CURRENT) |
|
|
633 | |
|
|
634 | const_eio (MS_ASYNC) |
|
|
635 | const_eio (MS_INVALIDATE) |
|
|
636 | const_eio (MS_SYNC) |
|
|
637 | |
|
|
638 | const_eio (MT_MODIFY) |
|
|
639 | |
|
|
640 | const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) |
|
|
641 | const_eio (SYNC_FILE_RANGE_WRITE) |
|
|
642 | const_eio (SYNC_FILE_RANGE_WAIT_AFTER) |
|
|
643 | |
|
|
644 | const_eio (READDIR_DENTS) |
|
|
645 | const_eio (READDIR_DIRS_FIRST) |
|
|
646 | const_eio (READDIR_STAT_ORDER) |
|
|
647 | const_eio (READDIR_FOUND_UNKNOWN) |
|
|
648 | |
|
|
649 | const_eio (DT_UNKNOWN) |
|
|
650 | const_eio (DT_FIFO) |
|
|
651 | const_eio (DT_CHR) |
|
|
652 | const_eio (DT_DIR) |
|
|
653 | const_eio (DT_BLK) |
|
|
654 | const_eio (DT_REG) |
|
|
655 | const_eio (DT_LNK) |
|
|
656 | const_eio (DT_SOCK) |
|
|
657 | const_eio (DT_WHT) |
|
|
658 | }; |
|
|
659 | |
|
|
660 | aio_stash = gv_stashpv ("IO::AIO" , 1); |
|
|
661 | aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); |
|
|
662 | aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); |
|
|
663 | |
|
|
664 | for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) |
|
|
665 | newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); |
|
|
666 | |
614 | create_pipe (); |
667 | create_respipe (); |
615 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
|
|
616 | } |
|
|
617 | |
668 | |
|
|
669 | if (eio_init (want_poll, done_poll) < 0) |
|
|
670 | croak ("IO::AIO: unable to initialise eio library"); |
|
|
671 | |
|
|
672 | /* atfork child called in fifo order, so before eio's handler */ |
|
|
673 | X_THREAD_ATFORK (0, 0, atfork_child); |
|
|
674 | } |
|
|
675 | |
618 | void |
676 | void |
619 | min_parallel(nthreads) |
677 | max_poll_reqs (int nreqs) |
620 | int nthreads |
|
|
621 | PROTOTYPE: $ |
678 | PROTOTYPE: $ |
|
|
679 | CODE: |
|
|
680 | eio_set_max_poll_reqs (nreqs); |
622 | |
681 | |
623 | void |
682 | void |
624 | max_parallel(nthreads) |
683 | max_poll_time (double nseconds) |
625 | int nthreads |
|
|
626 | PROTOTYPE: $ |
684 | PROTOTYPE: $ |
627 | |
|
|
628 | int |
|
|
629 | max_outstanding(nreqs) |
|
|
630 | int nreqs |
|
|
631 | PROTOTYPE: $ |
|
|
632 | CODE: |
685 | CODE: |
633 | RETVAL = max_outstanding; |
686 | eio_set_max_poll_time (nseconds); |
|
|
687 | |
|
|
688 | void |
|
|
689 | min_parallel (int nthreads) |
|
|
690 | PROTOTYPE: $ |
|
|
691 | CODE: |
|
|
692 | eio_set_min_parallel (nthreads); |
|
|
693 | |
|
|
694 | void |
|
|
695 | max_parallel (int nthreads) |
|
|
696 | PROTOTYPE: $ |
|
|
697 | CODE: |
|
|
698 | eio_set_max_parallel (nthreads); |
|
|
699 | |
|
|
700 | void |
|
|
701 | max_idle (int nthreads) |
|
|
702 | PROTOTYPE: $ |
|
|
703 | CODE: |
|
|
704 | eio_set_max_idle (nthreads); |
|
|
705 | |
|
|
706 | void |
|
|
707 | max_outstanding (int maxreqs) |
|
|
708 | PROTOTYPE: $ |
|
|
709 | CODE: |
634 | max_outstanding = nreqs; |
710 | max_outstanding = maxreqs; |
635 | |
711 | |
636 | void |
712 | void |
637 | aio_open(pathname,flags,mode,callback=&PL_sv_undef) |
713 | aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) |
638 | SV * pathname |
|
|
639 | int flags |
|
|
640 | int mode |
|
|
641 | SV * callback |
|
|
642 | PROTOTYPE: $$$;$ |
714 | PROTOTYPE: $$$;$ |
643 | CODE: |
715 | PPCODE: |
644 | { |
716 | { |
645 | dREQ; |
717 | dREQ; |
646 | |
718 | |
647 | req->type = REQ_OPEN; |
719 | req->type = EIO_OPEN; |
648 | req->data = newSVsv (pathname); |
720 | req->sv1 = newSVsv (pathname); |
649 | req->dataptr = SvPVbyte_nolen (req->data); |
721 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
650 | req->fd = flags; |
722 | req->int1 = flags; |
651 | req->mode = mode; |
723 | req->int2 = mode; |
652 | |
724 | |
653 | send_req (req); |
725 | REQ_SEND; |
654 | } |
726 | } |
655 | |
727 | |
656 | void |
728 | void |
657 | aio_close(fh,callback=&PL_sv_undef) |
729 | aio_fsync (SV *fh, SV *callback=&PL_sv_undef) |
658 | SV * fh |
|
|
659 | SV * callback |
|
|
660 | PROTOTYPE: $;$ |
730 | PROTOTYPE: $;$ |
661 | ALIAS: |
731 | ALIAS: |
662 | aio_close = REQ_CLOSE |
|
|
663 | aio_fsync = REQ_FSYNC |
732 | aio_fsync = EIO_FSYNC |
664 | aio_fdatasync = REQ_FDATASYNC |
733 | aio_fdatasync = EIO_FDATASYNC |
665 | CODE: |
734 | PPCODE: |
666 | { |
735 | { |
|
|
736 | int fd = s_fileno_croak (fh, 0); |
667 | dREQ; |
737 | dREQ; |
668 | |
738 | |
669 | req->type = ix; |
739 | req->type = ix; |
670 | req->fh = newSVsv (fh); |
740 | req->sv1 = newSVsv (fh); |
671 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
741 | req->int1 = fd; |
672 | |
742 | |
673 | send_req (req); |
743 | REQ_SEND (req); |
674 | } |
744 | } |
675 | |
745 | |
676 | void |
746 | void |
|
|
747 | aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) |
|
|
748 | PROTOTYPE: $$$$;$ |
|
|
749 | PPCODE: |
|
|
750 | { |
|
|
751 | int fd = s_fileno_croak (fh, 0); |
|
|
752 | dREQ; |
|
|
753 | |
|
|
754 | req->type = EIO_SYNC_FILE_RANGE; |
|
|
755 | req->sv1 = newSVsv (fh); |
|
|
756 | req->int1 = fd; |
|
|
757 | req->offs = offset; |
|
|
758 | req->size = nbytes; |
|
|
759 | req->int2 = flags; |
|
|
760 | |
|
|
761 | REQ_SEND (req); |
|
|
762 | } |
|
|
763 | |
|
|
764 | void |
|
|
765 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
|
|
766 | PROTOTYPE: $;$ |
|
|
767 | PPCODE: |
|
|
768 | { |
|
|
769 | static int close_pipe = -1; /* dummy fd to close fds via dup2 */ |
|
|
770 | int fd = s_fileno_croak (fh, 0); |
|
|
771 | dREQ; |
|
|
772 | |
|
|
773 | if (close_pipe < 0) |
|
|
774 | { |
|
|
775 | int pipefd [2]; |
|
|
776 | |
|
|
777 | if (pipe (pipefd) < 0 |
|
|
778 | || close (pipefd [1]) < 0 |
|
|
779 | || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) |
|
|
780 | abort (); /*D*/ |
|
|
781 | |
|
|
782 | close_pipe = pipefd [0]; |
|
|
783 | } |
|
|
784 | |
|
|
785 | req->type = EIO_DUP2; |
|
|
786 | req->int1 = close_pipe; |
|
|
787 | req->sv2 = newSVsv (fh); |
|
|
788 | req->int2 = fd; |
|
|
789 | |
|
|
790 | REQ_SEND (req); |
|
|
791 | } |
|
|
792 | |
|
|
793 | void |
677 | aio_read(fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
794 | aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) |
678 | SV * fh |
|
|
679 | UV offset |
|
|
680 | UV length |
|
|
681 | SV * data |
|
|
682 | UV dataoffset |
|
|
683 | SV * callback |
|
|
684 | ALIAS: |
795 | ALIAS: |
685 | aio_read = REQ_READ |
796 | aio_read = EIO_READ |
686 | aio_write = REQ_WRITE |
797 | aio_write = EIO_WRITE |
687 | PROTOTYPE: $$$$$;$ |
798 | PROTOTYPE: $$$$$;$ |
688 | CODE: |
799 | PPCODE: |
689 | { |
800 | { |
690 | aio_req req; |
|
|
691 | STRLEN svlen; |
801 | STRLEN svlen; |
|
|
802 | int fd = s_fileno_croak (fh, ix == EIO_WRITE); |
692 | char *svptr = SvPVbyte (data, svlen); |
803 | char *svptr = SvPVbyte (data, svlen); |
693 | |
804 | UV len = SvUV (length); |
694 | SvUPGRADE (data, SVt_PV); |
|
|
695 | SvPOK_on (data); |
|
|
696 | |
805 | |
697 | if (dataoffset < 0) |
806 | if (dataoffset < 0) |
698 | dataoffset += svlen; |
807 | dataoffset += svlen; |
699 | |
808 | |
700 | if (dataoffset < 0 || dataoffset > svlen) |
809 | if (dataoffset < 0 || dataoffset > svlen) |
701 | croak ("data offset outside of string"); |
810 | croak ("dataoffset outside of data scalar"); |
702 | |
811 | |
703 | if (ix == REQ_WRITE) |
812 | if (ix == EIO_WRITE) |
704 | { |
813 | { |
705 | /* write: check length and adjust. */ |
814 | /* write: check length and adjust. */ |
706 | if (length < 0 || length + dataoffset > svlen) |
815 | if (!SvOK (length) || len + dataoffset > svlen) |
707 | length = svlen - dataoffset; |
816 | len = svlen - dataoffset; |
708 | } |
817 | } |
709 | else |
818 | else |
710 | { |
819 | { |
711 | /* read: grow scalar as necessary */ |
820 | /* read: check type and grow scalar as necessary */ |
|
|
821 | SvUPGRADE (data, SVt_PV); |
712 | svptr = SvGROW (data, length + dataoffset); |
822 | svptr = SvGROW (data, len + dataoffset + 1); |
713 | } |
823 | } |
714 | |
|
|
715 | if (length < 0) |
|
|
716 | croak ("length must not be negative"); |
|
|
717 | |
824 | |
718 | { |
825 | { |
719 | dREQ; |
826 | dREQ; |
720 | |
827 | |
721 | req->type = ix; |
828 | req->type = ix; |
722 | req->fh = newSVsv (fh); |
829 | req->sv1 = newSVsv (fh); |
723 | req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
830 | req->int1 = fd; |
724 | : IoOFP (sv_2io (fh))); |
831 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
725 | req->offset = offset; |
832 | req->size = len; |
726 | req->length = length; |
|
|
727 | req->data = SvREFCNT_inc (data); |
833 | req->sv2 = SvREFCNT_inc (data); |
728 | req->dataptr = (char *)svptr + dataoffset; |
834 | req->ptr2 = (char *)svptr + dataoffset; |
|
|
835 | req->stroffset = dataoffset; |
729 | |
836 | |
730 | if (!SvREADONLY (data)) |
837 | if (!SvREADONLY (data)) |
731 | { |
838 | { |
732 | SvREADONLY_on (data); |
839 | SvREADONLY_on (data); |
733 | req->data2ptr = (void *)data; |
840 | req->flags |= FLAG_SV2_RO_OFF; |
734 | } |
841 | } |
735 | |
842 | |
736 | send_req (req); |
843 | REQ_SEND; |
737 | } |
844 | } |
738 | } |
845 | } |
739 | |
846 | |
740 | void |
847 | void |
|
|
848 | aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) |
|
|
849 | PROTOTYPE: $$;$ |
|
|
850 | PPCODE: |
|
|
851 | { |
|
|
852 | SV *data; |
|
|
853 | dREQ; |
|
|
854 | |
|
|
855 | req->type = EIO_READLINK; |
|
|
856 | req->sv1 = newSVsv (path); |
|
|
857 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
858 | |
|
|
859 | REQ_SEND; |
|
|
860 | } |
|
|
861 | |
|
|
862 | void |
741 | aio_sendfile(out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) |
863 | aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) |
742 | SV * out_fh |
|
|
743 | SV * in_fh |
|
|
744 | UV in_offset |
|
|
745 | UV length |
|
|
746 | SV * callback |
|
|
747 | PROTOTYPE: $$$$;$ |
864 | PROTOTYPE: $$$$;$ |
748 | CODE: |
865 | PPCODE: |
749 | { |
866 | { |
|
|
867 | int ifd = s_fileno_croak (in_fh , 0); |
|
|
868 | int ofd = s_fileno_croak (out_fh, 1); |
750 | dREQ; |
869 | dREQ; |
751 | |
870 | |
752 | req->type = REQ_SENDFILE; |
871 | req->type = EIO_SENDFILE; |
753 | req->fh = newSVsv (out_fh); |
872 | req->sv1 = newSVsv (out_fh); |
754 | req->fd = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
873 | req->int1 = ofd; |
755 | req->fh2 = newSVsv (in_fh); |
874 | req->sv2 = newSVsv (in_fh); |
756 | req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
875 | req->int2 = ifd; |
757 | req->offset = in_offset; |
876 | req->offs = in_offset; |
758 | req->length = length; |
877 | req->size = length; |
759 | |
878 | |
760 | send_req (req); |
879 | REQ_SEND; |
761 | } |
880 | } |
762 | |
881 | |
763 | void |
882 | void |
764 | aio_readahead(fh,offset,length,callback=&PL_sv_undef) |
883 | aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) |
765 | SV * fh |
|
|
766 | UV offset |
|
|
767 | IV length |
|
|
768 | SV * callback |
|
|
769 | PROTOTYPE: $$$;$ |
884 | PROTOTYPE: $$$;$ |
770 | CODE: |
885 | PPCODE: |
771 | { |
886 | { |
|
|
887 | int fd = s_fileno_croak (fh, 0); |
772 | dREQ; |
888 | dREQ; |
773 | |
889 | |
774 | req->type = REQ_READAHEAD; |
890 | req->type = EIO_READAHEAD; |
775 | req->fh = newSVsv (fh); |
891 | req->sv1 = newSVsv (fh); |
776 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
892 | req->int1 = fd; |
777 | req->offset = offset; |
893 | req->offs = offset; |
778 | req->length = length; |
894 | req->size = length; |
779 | |
895 | |
780 | send_req (req); |
896 | REQ_SEND; |
781 | } |
897 | } |
782 | |
898 | |
783 | void |
899 | void |
784 | aio_stat(fh_or_path,callback=&PL_sv_undef) |
900 | aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
785 | SV * fh_or_path |
|
|
786 | SV * callback |
|
|
787 | ALIAS: |
901 | ALIAS: |
788 | aio_stat = REQ_STAT |
902 | aio_stat = EIO_STAT |
789 | aio_lstat = REQ_LSTAT |
903 | aio_lstat = EIO_LSTAT |
|
|
904 | aio_statvfs = EIO_STATVFS |
790 | CODE: |
905 | PPCODE: |
791 | { |
906 | { |
792 | dREQ; |
907 | dREQ; |
793 | |
908 | |
794 | New (0, req->statdata, 1, Stat_t); |
909 | req->sv1 = newSVsv (fh_or_path); |
795 | if (!req->statdata) |
|
|
796 | { |
|
|
797 | free_req (req); |
|
|
798 | croak ("out of memory during aio_req->statdata allocation"); |
|
|
799 | } |
|
|
800 | |
910 | |
801 | if (SvPOK (fh_or_path)) |
911 | if (SvPOK (req->sv1)) |
802 | { |
912 | { |
803 | req->type = ix; |
913 | req->type = ix; |
804 | req->data = newSVsv (fh_or_path); |
|
|
805 | req->dataptr = SvPVbyte_nolen (req->data); |
914 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
806 | } |
915 | } |
807 | else |
916 | else |
808 | { |
917 | { |
809 | req->type = REQ_FSTAT; |
918 | req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT; |
810 | req->fh = newSVsv (fh_or_path); |
|
|
811 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
919 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
920 | } |
|
|
921 | |
|
|
922 | REQ_SEND; |
|
|
923 | } |
|
|
924 | |
|
|
925 | void |
|
|
926 | aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) |
|
|
927 | PPCODE: |
|
|
928 | { |
|
|
929 | dREQ; |
|
|
930 | |
|
|
931 | req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; |
|
|
932 | req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; |
|
|
933 | req->sv1 = newSVsv (fh_or_path); |
|
|
934 | |
|
|
935 | if (SvPOK (req->sv1)) |
812 | } |
936 | { |
|
|
937 | req->type = EIO_UTIME; |
|
|
938 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
939 | } |
|
|
940 | else |
|
|
941 | { |
|
|
942 | req->type = EIO_FUTIME; |
|
|
943 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
944 | } |
813 | |
945 | |
814 | send_req (req); |
946 | REQ_SEND; |
815 | } |
947 | } |
816 | |
948 | |
817 | void |
949 | void |
|
|
950 | aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) |
|
|
951 | PPCODE: |
|
|
952 | { |
|
|
953 | dREQ; |
|
|
954 | |
|
|
955 | req->sv1 = newSVsv (fh_or_path); |
|
|
956 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
|
|
957 | |
|
|
958 | if (SvPOK (req->sv1)) |
|
|
959 | { |
|
|
960 | req->type = EIO_TRUNCATE; |
|
|
961 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
962 | } |
|
|
963 | else |
|
|
964 | { |
|
|
965 | req->type = EIO_FTRUNCATE; |
|
|
966 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
967 | } |
|
|
968 | |
|
|
969 | REQ_SEND; |
|
|
970 | } |
|
|
971 | |
|
|
972 | void |
|
|
973 | aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) |
|
|
974 | ALIAS: |
|
|
975 | aio_chmod = EIO_CHMOD |
|
|
976 | aio_mkdir = EIO_MKDIR |
|
|
977 | PPCODE: |
|
|
978 | { |
|
|
979 | dREQ; |
|
|
980 | |
|
|
981 | req->int2 = mode; |
|
|
982 | req->sv1 = newSVsv (fh_or_path); |
|
|
983 | |
|
|
984 | if (SvPOK (req->sv1)) |
|
|
985 | { |
|
|
986 | req->type = ix; |
|
|
987 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
988 | } |
|
|
989 | else |
|
|
990 | { |
|
|
991 | req->type = EIO_FCHMOD; |
|
|
992 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
993 | } |
|
|
994 | |
|
|
995 | REQ_SEND; |
|
|
996 | } |
|
|
997 | |
|
|
998 | void |
|
|
999 | aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) |
|
|
1000 | PPCODE: |
|
|
1001 | { |
|
|
1002 | dREQ; |
|
|
1003 | |
|
|
1004 | req->int2 = SvOK (uid) ? SvIV (uid) : -1; |
|
|
1005 | req->int3 = SvOK (gid) ? SvIV (gid) : -1; |
|
|
1006 | req->sv1 = newSVsv (fh_or_path); |
|
|
1007 | |
|
|
1008 | if (SvPOK (req->sv1)) |
|
|
1009 | { |
|
|
1010 | req->type = EIO_CHOWN; |
|
|
1011 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1012 | } |
|
|
1013 | else |
|
|
1014 | { |
|
|
1015 | req->type = EIO_FCHOWN; |
|
|
1016 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1017 | } |
|
|
1018 | |
|
|
1019 | REQ_SEND; |
|
|
1020 | } |
|
|
1021 | |
|
|
1022 | void |
|
|
1023 | aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) |
|
|
1024 | PPCODE: |
|
|
1025 | { |
|
|
1026 | dREQ; |
|
|
1027 | |
|
|
1028 | req->type = EIO_READDIR; |
|
|
1029 | req->sv1 = newSVsv (pathname); |
|
|
1030 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1031 | req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; |
|
|
1032 | |
|
|
1033 | if (flags & EIO_READDIR_DENTS) |
|
|
1034 | req->int1 |= EIO_READDIR_CUSTOM2; |
|
|
1035 | |
|
|
1036 | REQ_SEND; |
|
|
1037 | } |
|
|
1038 | |
|
|
1039 | void |
818 | aio_unlink(pathname,callback=&PL_sv_undef) |
1040 | aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) |
819 | SV * pathname |
|
|
820 | SV * callback |
|
|
821 | ALIAS: |
1041 | ALIAS: |
822 | aio_unlink = REQ_UNLINK |
1042 | aio_unlink = EIO_UNLINK |
823 | aio_rmdir = REQ_RMDIR |
1043 | aio_rmdir = EIO_RMDIR |
|
|
1044 | aio_readdir = EIO_READDIR |
824 | CODE: |
1045 | PPCODE: |
825 | { |
1046 | { |
826 | dREQ; |
1047 | dREQ; |
827 | |
1048 | |
828 | req->type = ix; |
1049 | req->type = ix; |
829 | req->data = newSVsv (pathname); |
1050 | req->sv1 = newSVsv (pathname); |
830 | req->dataptr = SvPVbyte_nolen (req->data); |
1051 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
831 | |
|
|
832 | send_req (req); |
|
|
833 | } |
|
|
834 | |
1052 | |
|
|
1053 | REQ_SEND; |
|
|
1054 | } |
|
|
1055 | |
835 | void |
1056 | void |
836 | aio_symlink(oldpath,newpath,callback=&PL_sv_undef) |
1057 | aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) |
837 | SV * oldpath |
1058 | ALIAS: |
838 | SV * newpath |
1059 | aio_link = EIO_LINK |
839 | SV * callback |
1060 | aio_symlink = EIO_SYMLINK |
|
|
1061 | aio_rename = EIO_RENAME |
840 | CODE: |
1062 | PPCODE: |
841 | { |
1063 | { |
842 | dREQ; |
1064 | dREQ; |
843 | |
1065 | |
844 | req->type = REQ_SYMLINK; |
1066 | req->type = ix; |
845 | req->fh = newSVsv (oldpath); |
1067 | req->sv1 = newSVsv (oldpath); |
846 | req->data2ptr = SvPVbyte_nolen (req->fh); |
1068 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
847 | req->data = newSVsv (newpath); |
1069 | req->sv2 = newSVsv (newpath); |
848 | req->dataptr = SvPVbyte_nolen (req->data); |
1070 | req->ptr2 = SvPVbyte_nolen (req->sv2); |
849 | |
1071 | |
850 | send_req (req); |
1072 | REQ_SEND; |
851 | } |
1073 | } |
852 | |
1074 | |
853 | void |
1075 | void |
|
|
1076 | aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) |
|
|
1077 | PPCODE: |
|
|
1078 | { |
|
|
1079 | dREQ; |
|
|
1080 | |
|
|
1081 | req->type = EIO_MKNOD; |
|
|
1082 | req->sv1 = newSVsv (pathname); |
|
|
1083 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1084 | req->int2 = (mode_t)mode; |
|
|
1085 | req->offs = dev; |
|
|
1086 | |
|
|
1087 | REQ_SEND; |
|
|
1088 | } |
|
|
1089 | |
|
|
1090 | void |
|
|
1091 | aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) |
|
|
1092 | ALIAS: |
|
|
1093 | aio_mtouch = EIO_MTOUCH |
|
|
1094 | aio_msync = EIO_MSYNC |
|
|
1095 | PROTOTYPE: $$$$;$ |
|
|
1096 | PPCODE: |
|
|
1097 | { |
|
|
1098 | STRLEN svlen; |
|
|
1099 | UV len = SvUV (length); |
|
|
1100 | char *svptr = SvPVbyte (data, svlen); |
|
|
1101 | |
|
|
1102 | if (offset < 0) |
|
|
1103 | offset += svlen; |
|
|
1104 | |
|
|
1105 | if (offset < 0 || offset > svlen) |
|
|
1106 | croak ("offset outside of scalar"); |
|
|
1107 | |
|
|
1108 | if (!SvOK (length) || len + offset > svlen) |
|
|
1109 | len = svlen - offset; |
|
|
1110 | |
|
|
1111 | { |
|
|
1112 | dREQ; |
|
|
1113 | |
|
|
1114 | req->type = ix; |
|
|
1115 | req->size = len; |
|
|
1116 | req->sv2 = SvREFCNT_inc (data); |
|
|
1117 | req->ptr2 = (char *)svptr + offset; |
|
|
1118 | req->int1 = flags; |
|
|
1119 | |
|
|
1120 | REQ_SEND; |
|
|
1121 | } |
|
|
1122 | } |
|
|
1123 | |
|
|
1124 | void |
|
|
1125 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
|
|
1126 | PPCODE: |
|
|
1127 | { |
|
|
1128 | dREQ; |
|
|
1129 | |
|
|
1130 | req->type = EIO_BUSY; |
|
|
1131 | req->nv1 = delay < 0. ? 0. : delay; |
|
|
1132 | |
|
|
1133 | REQ_SEND; |
|
|
1134 | } |
|
|
1135 | |
|
|
1136 | void |
|
|
1137 | aio_group (SV *callback=&PL_sv_undef) |
|
|
1138 | PROTOTYPE: ;$ |
|
|
1139 | PPCODE: |
|
|
1140 | { |
|
|
1141 | dREQ; |
|
|
1142 | |
|
|
1143 | req->type = EIO_GROUP; |
|
|
1144 | |
|
|
1145 | req_submit (req); |
|
|
1146 | XPUSHs (req_sv (req, aio_grp_stash)); |
|
|
1147 | } |
|
|
1148 | |
|
|
1149 | void |
|
|
1150 | aio_nop (SV *callback=&PL_sv_undef) |
|
|
1151 | ALIAS: |
|
|
1152 | aio_nop = EIO_NOP |
|
|
1153 | aio_sync = EIO_SYNC |
|
|
1154 | PPCODE: |
|
|
1155 | { |
|
|
1156 | dREQ; |
|
|
1157 | |
|
|
1158 | req->type = ix; |
|
|
1159 | |
|
|
1160 | REQ_SEND; |
|
|
1161 | } |
|
|
1162 | |
|
|
1163 | int |
|
|
1164 | aioreq_pri (int pri = 0) |
|
|
1165 | PROTOTYPE: ;$ |
|
|
1166 | CODE: |
|
|
1167 | RETVAL = next_pri; |
|
|
1168 | if (items > 0) |
|
|
1169 | { |
|
|
1170 | if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; |
|
|
1171 | if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX; |
|
|
1172 | next_pri = pri; |
|
|
1173 | } |
|
|
1174 | OUTPUT: |
|
|
1175 | RETVAL |
|
|
1176 | |
|
|
1177 | void |
|
|
1178 | aioreq_nice (int nice = 0) |
|
|
1179 | CODE: |
|
|
1180 | nice = next_pri - nice; |
|
|
1181 | if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN; |
|
|
1182 | if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; |
|
|
1183 | next_pri = nice; |
|
|
1184 | |
|
|
1185 | void |
854 | flush() |
1186 | flush () |
855 | PROTOTYPE: |
1187 | PROTOTYPE: |
856 | CODE: |
1188 | CODE: |
857 | while (nreqs) |
1189 | while (eio_nreqs ()) |
858 | { |
1190 | { |
859 | poll_wait (); |
1191 | poll_wait (); |
860 | poll_cb (); |
1192 | poll_cb (); |
861 | } |
1193 | } |
862 | |
1194 | |
863 | void |
1195 | int |
864 | poll() |
1196 | poll() |
865 | PROTOTYPE: |
1197 | PROTOTYPE: |
866 | CODE: |
1198 | CODE: |
867 | if (nreqs) |
|
|
868 | { |
|
|
869 | poll_wait (); |
1199 | poll_wait (); |
870 | poll_cb (); |
1200 | RETVAL = poll_cb (); |
871 | } |
1201 | OUTPUT: |
|
|
1202 | RETVAL |
872 | |
1203 | |
873 | int |
1204 | int |
874 | poll_fileno() |
1205 | poll_fileno() |
875 | PROTOTYPE: |
1206 | PROTOTYPE: |
876 | CODE: |
1207 | CODE: |
877 | RETVAL = respipe [0]; |
1208 | RETVAL = s_epipe_fd (&respipe); |
878 | OUTPUT: |
1209 | OUTPUT: |
879 | RETVAL |
1210 | RETVAL |
880 | |
1211 | |
881 | int |
1212 | int |
882 | poll_cb(...) |
1213 | poll_cb(...) |
… | |
… | |
888 | |
1219 | |
889 | void |
1220 | void |
890 | poll_wait() |
1221 | poll_wait() |
891 | PROTOTYPE: |
1222 | PROTOTYPE: |
892 | CODE: |
1223 | CODE: |
893 | if (nreqs) |
|
|
894 | poll_wait (); |
1224 | poll_wait (); |
895 | |
1225 | |
896 | int |
1226 | int |
897 | nreqs() |
1227 | nreqs() |
898 | PROTOTYPE: |
1228 | PROTOTYPE: |
899 | CODE: |
1229 | CODE: |
900 | RETVAL = nreqs; |
1230 | RETVAL = eio_nreqs (); |
901 | OUTPUT: |
1231 | OUTPUT: |
902 | RETVAL |
1232 | RETVAL |
903 | |
1233 | |
|
|
1234 | int |
|
|
1235 | nready() |
|
|
1236 | PROTOTYPE: |
|
|
1237 | CODE: |
|
|
1238 | RETVAL = eio_nready (); |
|
|
1239 | OUTPUT: |
|
|
1240 | RETVAL |
|
|
1241 | |
|
|
1242 | int |
|
|
1243 | npending() |
|
|
1244 | PROTOTYPE: |
|
|
1245 | CODE: |
|
|
1246 | RETVAL = eio_npending (); |
|
|
1247 | OUTPUT: |
|
|
1248 | RETVAL |
|
|
1249 | |
|
|
1250 | int |
|
|
1251 | nthreads() |
|
|
1252 | PROTOTYPE: |
|
|
1253 | CODE: |
|
|
1254 | RETVAL = eio_nthreads (); |
|
|
1255 | OUTPUT: |
|
|
1256 | RETVAL |
|
|
1257 | |
|
|
1258 | int |
|
|
1259 | fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) |
|
|
1260 | PROTOTYPE: $$$$ |
|
|
1261 | CODE: |
|
|
1262 | #if _XOPEN_SOURCE >= 600 && !NO_FADVISE |
|
|
1263 | RETVAL = posix_fadvise (fh, offset, length, advice); |
|
|
1264 | #else |
|
|
1265 | RETVAL = errno = ENOSYS; |
|
|
1266 | #endif |
|
|
1267 | OUTPUT: |
|
|
1268 | RETVAL |
|
|
1269 | |
|
|
1270 | ssize_t |
|
|
1271 | sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) |
|
|
1272 | PROTOTYPE: $$$$ |
|
|
1273 | CODE: |
|
|
1274 | RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); |
|
|
1275 | OUTPUT: |
|
|
1276 | RETVAL |
|
|
1277 | |
|
|
1278 | int |
|
|
1279 | mlockall (int flags) |
|
|
1280 | PROTOTYPE: $ |
|
|
1281 | CODE: |
|
|
1282 | #if _POSIX_MEMLOCK |
|
|
1283 | #if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7 |
|
|
1284 | extern int mallopt (int, int); |
|
|
1285 | mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */ |
|
|
1286 | #endif |
|
|
1287 | mlockall (flags); |
|
|
1288 | #else |
|
|
1289 | RETVAL =-1; |
|
|
1290 | errno = ENOSYS; |
|
|
1291 | #endif |
|
|
1292 | OUTPUT: |
|
|
1293 | RETVAL |
|
|
1294 | |
|
|
1295 | int |
|
|
1296 | munlockall () |
|
|
1297 | PROTOTYPE: |
|
|
1298 | CODE: |
|
|
1299 | #if _POSIX_MEMLOCK |
|
|
1300 | munlockall (); |
|
|
1301 | #else |
|
|
1302 | RETVAL =-1; |
|
|
1303 | errno = ENOSYS; |
|
|
1304 | #endif |
|
|
1305 | OUTPUT: |
|
|
1306 | RETVAL |
|
|
1307 | |
|
|
1308 | void _on_next_submit (SV *cb) |
|
|
1309 | CODE: |
|
|
1310 | SvREFCNT_dec (on_next_submit); |
|
|
1311 | on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
|
|
1312 | |
|
|
1313 | PROTOTYPES: DISABLE |
|
|
1314 | |
|
|
1315 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
|
|
1316 | |
|
|
1317 | void |
|
|
1318 | cancel (aio_req_ornot req) |
|
|
1319 | CODE: |
|
|
1320 | eio_cancel (req); |
|
|
1321 | |
|
|
1322 | void |
|
|
1323 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
|
|
1324 | PPCODE: |
|
|
1325 | { |
|
|
1326 | if (GIMME_V != G_VOID) |
|
|
1327 | XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); |
|
|
1328 | |
|
|
1329 | if (items > 1) |
|
|
1330 | { |
|
|
1331 | SV *cb_cv =get_cb (callback); |
|
|
1332 | |
|
|
1333 | SvREFCNT_dec (req->callback); |
|
|
1334 | req->callback = SvREFCNT_inc (cb_cv); |
|
|
1335 | } |
|
|
1336 | } |
|
|
1337 | |
|
|
1338 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
|
|
1339 | |
|
|
1340 | void |
|
|
1341 | add (aio_req grp, ...) |
|
|
1342 | PPCODE: |
|
|
1343 | { |
|
|
1344 | int i; |
|
|
1345 | |
|
|
1346 | if (grp->int1 == 2) |
|
|
1347 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
|
|
1348 | |
|
|
1349 | for (i = 1; i < items; ++i ) |
|
|
1350 | { |
|
|
1351 | aio_req req; |
|
|
1352 | |
|
|
1353 | if (GIMME_V != G_VOID) |
|
|
1354 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
|
|
1355 | |
|
|
1356 | req = SvAIO_REQ (ST (i)); |
|
|
1357 | |
|
|
1358 | if (req) |
|
|
1359 | eio_grp_add (grp, req); |
|
|
1360 | } |
|
|
1361 | } |
|
|
1362 | |
|
|
1363 | void |
|
|
1364 | cancel_subs (aio_req_ornot req) |
|
|
1365 | CODE: |
|
|
1366 | req_cancel_subs (req); |
|
|
1367 | |
|
|
1368 | void |
|
|
1369 | result (aio_req grp, ...) |
|
|
1370 | CODE: |
|
|
1371 | { |
|
|
1372 | int i; |
|
|
1373 | AV *av; |
|
|
1374 | |
|
|
1375 | grp->errorno = errno; |
|
|
1376 | |
|
|
1377 | av = newAV (); |
|
|
1378 | av_extend (av, items - 1); |
|
|
1379 | |
|
|
1380 | for (i = 1; i < items; ++i ) |
|
|
1381 | av_push (av, newSVsv (ST (i))); |
|
|
1382 | |
|
|
1383 | SvREFCNT_dec (grp->sv1); |
|
|
1384 | grp->sv1 = (SV *)av; |
|
|
1385 | } |
|
|
1386 | |
|
|
1387 | void |
|
|
1388 | errno (aio_req grp, int errorno = errno) |
|
|
1389 | CODE: |
|
|
1390 | grp->errorno = errorno; |
|
|
1391 | |
|
|
1392 | void |
|
|
1393 | limit (aio_req grp, int limit) |
|
|
1394 | CODE: |
|
|
1395 | eio_grp_limit (grp, limit); |
|
|
1396 | |
|
|
1397 | void |
|
|
1398 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
|
|
1399 | CODE: |
|
|
1400 | { |
|
|
1401 | SvREFCNT_dec (grp->sv2); |
|
|
1402 | grp->sv2 = newSVsv (callback); |
|
|
1403 | grp->feed = aio_grp_feed; |
|
|
1404 | |
|
|
1405 | if (grp->int2 <= 0) |
|
|
1406 | grp->int2 = 2; |
|
|
1407 | |
|
|
1408 | eio_grp_limit (grp, grp->int2); |
|
|
1409 | } |
|
|
1410 | |