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 | #if !defined mg_findext |
9 | |
10 | # define mg_findext(sv,type,vtbl) mg_find (sv, type) |
10 | #include <pthread.h> |
11 | #endif |
11 | |
12 | |
12 | #include <stddef.h> |
13 | #include <stddef.h> |
|
|
14 | #include <stdlib.h> |
13 | #include <errno.h> |
15 | #include <errno.h> |
14 | #include <sys/types.h> |
16 | #include <sys/types.h> |
|
|
17 | #include <sys/socket.h> |
15 | #include <sys/stat.h> |
18 | #include <sys/stat.h> |
16 | #include <limits.h> |
19 | #include <limits.h> |
17 | #include <unistd.h> |
|
|
18 | #include <fcntl.h> |
20 | #include <fcntl.h> |
19 | #include <signal.h> |
|
|
20 | #include <sched.h> |
21 | #include <sched.h> |
21 | |
22 | |
22 | #if HAVE_SENDFILE |
23 | #if HAVE_SYS_MKDEV_H |
23 | # if __linux |
|
|
24 | # include <sys/sendfile.h> |
|
|
25 | # elif __freebsd |
|
|
26 | # include <sys/socket.h> |
24 | # include <sys/mkdev.h> |
|
|
25 | #elif HAVE_SYS_SYSMACROS_H |
|
|
26 | # include <sys/sysmacros.h> |
|
|
27 | #endif |
|
|
28 | |
|
|
29 | #if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES |
27 | # include <sys/uio.h> |
30 | # include <sys/mman.h> |
28 | # elif __hpux |
31 | #endif |
|
|
32 | |
|
|
33 | /* the incompetent fool that created musl keeps __linux__, refuses |
|
|
34 | * to implement any linux standard apis, and also has no way to test |
|
|
35 | * for his broken iplementation. don't complain to me if this fails |
|
|
36 | * for you. |
|
|
37 | */ |
|
|
38 | #if __linux__ && (defined __GLIBC__ || defined __UCLIBC__) |
|
|
39 | # include <linux/fs.h> |
|
|
40 | # ifdef FS_IOC_FIEMAP |
|
|
41 | # include <linux/types.h> |
|
|
42 | # include <linux/fiemap.h> |
|
|
43 | # define HAVE_FIEMAP 1 |
|
|
44 | # endif |
|
|
45 | #endif |
|
|
46 | |
|
|
47 | /* perl namespace pollution */ |
|
|
48 | #undef VERSION |
|
|
49 | |
|
|
50 | /* perl stupidly overrides readdir and maybe others */ |
|
|
51 | /* with thread-unsafe versions, imagine that :( */ |
|
|
52 | #undef readdir |
|
|
53 | #undef opendir |
|
|
54 | #undef closedir |
|
|
55 | |
|
|
56 | #ifdef _WIN32 |
|
|
57 | |
|
|
58 | // perl overrides all those nice libc functions |
|
|
59 | |
|
|
60 | #undef malloc |
|
|
61 | #undef free |
|
|
62 | #undef open |
|
|
63 | #undef read |
|
|
64 | #undef write |
|
|
65 | #undef send |
|
|
66 | #undef recv |
|
|
67 | #undef stat |
|
|
68 | #undef lstat |
|
|
69 | #undef fstat |
|
|
70 | #undef truncate |
|
|
71 | #undef ftruncate |
|
|
72 | #undef open |
|
|
73 | #undef link |
|
|
74 | #undef close |
|
|
75 | #undef unlink |
|
|
76 | #undef mkdir |
|
|
77 | #undef rmdir |
|
|
78 | #undef rename |
|
|
79 | #undef lseek |
|
|
80 | #undef opendir |
|
|
81 | #undef readdir |
|
|
82 | #undef closedir |
|
|
83 | #undef chmod |
|
|
84 | #undef fchmod |
|
|
85 | #undef dup |
|
|
86 | #undef dup2 |
|
|
87 | #undef abort |
|
|
88 | #undef pipe |
|
|
89 | #undef utime |
|
|
90 | |
|
|
91 | #define EIO_STRUCT_STAT struct _stati64 |
|
|
92 | #define EIO_STRUCT_STATI64 |
|
|
93 | |
|
|
94 | #else |
|
|
95 | |
29 | # include <sys/socket.h> |
96 | #include <sys/time.h> |
30 | # elif __solaris /* not yet */ |
|
|
31 | # include <sys/sendfile.h> |
97 | #include <sys/select.h> |
|
|
98 | #include <unistd.h> |
|
|
99 | #include <utime.h> |
|
|
100 | #include <signal.h> |
|
|
101 | |
|
|
102 | #define EIO_STRUCT_STAT Stat_t |
|
|
103 | |
|
|
104 | #endif |
|
|
105 | |
|
|
106 | /*****************************************************************************/ |
|
|
107 | |
|
|
108 | #if __GNUC__ >= 3 |
|
|
109 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
|
|
110 | #else |
|
|
111 | # define expect(expr,value) (expr) |
|
|
112 | #endif |
|
|
113 | |
|
|
114 | #define expect_false(expr) expect ((expr) != 0, 0) |
|
|
115 | #define expect_true(expr) expect ((expr) != 0, 1) |
|
|
116 | |
|
|
117 | /*****************************************************************************/ |
|
|
118 | |
|
|
119 | #include "config.h" |
|
|
120 | |
|
|
121 | #if HAVE_ST_XTIMENSEC |
|
|
122 | # define ATIMENSEC PL_statcache.st_atimensec |
|
|
123 | # define MTIMENSEC PL_statcache.st_mtimensec |
|
|
124 | # define CTIMENSEC PL_statcache.st_ctimensec |
|
|
125 | #elif HAVE_ST_XTIMESPEC |
|
|
126 | # define ATIMENSEC PL_statcache.st_atim.tv_nsec |
|
|
127 | # define MTIMENSEC PL_statcache.st_mtim.tv_nsec |
|
|
128 | # define CTIMENSEC PL_statcache.st_ctim.tv_nsec |
|
|
129 | #else |
|
|
130 | # define ATIMENSEC 0 |
|
|
131 | # define MTIMENSEC 0 |
|
|
132 | # define CTIMENSEC 0 |
|
|
133 | #endif |
|
|
134 | |
|
|
135 | #if HAVE_ST_BIRTHTIMENSEC |
|
|
136 | # define BTIMESEC PL_statcache.st_birthtime |
|
|
137 | # define BTIMENSEC PL_statcache.st_birthtimensec |
|
|
138 | #elif HAVE_ST_BIRTHTIMESPEC |
|
|
139 | # define BTIMESEC PL_statcache.st_birthtim.tv_sec |
|
|
140 | # define BTIMENSEC PL_statcache.st_birthtim.tv_nsec |
|
|
141 | #else |
|
|
142 | # define BTIMESEC 0 |
|
|
143 | # define BTIMENSEC 0 |
|
|
144 | #endif |
|
|
145 | |
|
|
146 | #if HAVE_ST_GEN |
|
|
147 | # define ST_GEN PL_statcache.st_gen |
|
|
148 | #else |
|
|
149 | # define ST_GEN 0 |
|
|
150 | #endif |
|
|
151 | |
|
|
152 | #include "schmorp.h" |
|
|
153 | |
|
|
154 | #if HAVE_EVENTFD |
|
|
155 | # include <sys/eventfd.h> |
|
|
156 | #endif |
|
|
157 | |
|
|
158 | #if HAVE_TIMERFD |
|
|
159 | # include <sys/timerfd.h> |
|
|
160 | #endif |
|
|
161 | |
|
|
162 | #if HAVE_RLIMITS |
|
|
163 | #include <sys/time.h> |
|
|
164 | #include <sys/resource.h> |
|
|
165 | #endif |
|
|
166 | |
|
|
167 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
|
|
168 | typedef int aio_rfd; /* read file desriptor */ |
|
|
169 | typedef int aio_wfd; /* write file descriptor */ |
|
|
170 | |
|
|
171 | static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash; |
|
|
172 | |
|
|
173 | #define EIO_REQ_MEMBERS \ |
|
|
174 | SV *callback; \ |
|
|
175 | SV *sv1, *sv2; \ |
|
|
176 | SV *sv3, *sv4; \ |
|
|
177 | STRLEN stroffset; \ |
|
|
178 | SV *self; |
|
|
179 | |
|
|
180 | #define EIO_NO_WRAPPERS 1 |
|
|
181 | |
|
|
182 | #include "libeio/eio.h" |
|
|
183 | |
|
|
184 | static int req_invoke (eio_req *req); |
|
|
185 | #define EIO_FINISH(req) req_invoke (req) |
|
|
186 | static void req_destroy (eio_req *grp); |
|
|
187 | #define EIO_DESTROY(req) req_destroy (req) |
|
|
188 | |
|
|
189 | #include "libeio/eio.c" |
|
|
190 | |
|
|
191 | #if !HAVE_POSIX_FADVISE |
|
|
192 | # define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ |
|
|
193 | #endif |
|
|
194 | |
|
|
195 | #if !HAVE_POSIX_MADVISE |
|
|
196 | # define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ |
|
|
197 | #endif |
|
|
198 | |
|
|
199 | #ifndef MAP_ANONYMOUS |
|
|
200 | # ifdef MAP_ANON |
|
|
201 | # define MAP_ANONYMOUS MAP_ANON |
32 | # else |
202 | # else |
33 | # error sendfile support requested but not available |
203 | # define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ |
34 | # endif |
204 | # endif |
35 | #endif |
205 | #endif |
36 | |
206 | |
37 | /* used for struct dirent, AIX doesn't provide it */ |
207 | #ifndef makedev |
38 | #ifndef NAME_MAX |
208 | # define makedev(maj,min) (((maj) << 8) | (min)) |
39 | # define NAME_MAX 4096 |
|
|
40 | #endif |
209 | #endif |
|
|
210 | #ifndef major |
|
|
211 | # define major(dev) ((dev) >> 8) |
|
|
212 | #endif |
|
|
213 | #ifndef minor |
|
|
214 | # define minor(dev) ((dev) & 0xff) |
|
|
215 | #endif |
41 | |
216 | |
42 | #if __ia64 |
217 | /* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */ |
43 | # define STACKSIZE 65536 |
218 | #ifdef __sun |
|
|
219 | # undef PAGESIZE |
|
|
220 | #endif |
|
|
221 | |
|
|
222 | #if PAGESIZE <= 0 |
|
|
223 | # define PAGESIZE sysconf (_SC_PAGESIZE) |
|
|
224 | #endif |
|
|
225 | |
|
|
226 | /*****************************************************************************/ |
|
|
227 | |
|
|
228 | #if !_POSIX_MAPPED_FILES |
|
|
229 | # define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1) |
|
|
230 | # define munmap(addr,length) EIO_ENOSYS () |
|
|
231 | #endif |
|
|
232 | |
|
|
233 | #if !_POSIX_MEMORY_PROTECTION |
|
|
234 | # define mprotect(addr,len,prot) EIO_ENOSYS () |
|
|
235 | #endif |
|
|
236 | |
|
|
237 | #if !MREMAP_MAYMOVE |
|
|
238 | # define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1) |
|
|
239 | #endif |
|
|
240 | |
|
|
241 | #define FOREIGN_MAGIC PERL_MAGIC_ext |
|
|
242 | |
|
|
243 | static int ecb_cold |
|
|
244 | mmap_free (pTHX_ SV *sv, MAGIC *mg) |
|
|
245 | { |
|
|
246 | int old_errno = errno; |
|
|
247 | munmap (mg->mg_ptr, (size_t)mg->mg_obj); |
|
|
248 | errno = old_errno; |
|
|
249 | |
|
|
250 | mg->mg_obj = 0; /* just in case */ |
|
|
251 | |
|
|
252 | SvREADONLY_off (sv); |
|
|
253 | |
|
|
254 | if (SvPVX (sv) != mg->mg_ptr) |
|
|
255 | croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected"); |
|
|
256 | |
|
|
257 | SvCUR_set (sv, 0); |
|
|
258 | SvPVX (sv) = 0; |
|
|
259 | SvOK_off (sv); |
|
|
260 | |
|
|
261 | return 0; |
|
|
262 | } |
|
|
263 | |
|
|
264 | static MGVTBL mmap_vtbl = { |
|
|
265 | 0, 0, 0, 0, mmap_free |
|
|
266 | }; |
|
|
267 | |
|
|
268 | static int ecb_cold |
|
|
269 | sysfree_free (pTHX_ SV *sv, MAGIC *mg) |
|
|
270 | { |
|
|
271 | free (mg->mg_ptr); |
|
|
272 | mg->mg_obj = 0; /* just in case */ |
|
|
273 | |
|
|
274 | SvREADONLY_off (sv); |
|
|
275 | |
|
|
276 | if (SvPVX (sv) != mg->mg_ptr) |
|
|
277 | croak ("ERROR: IO::AIO mapped scalar changed location, detected"); |
|
|
278 | |
|
|
279 | SvCUR_set (sv, 0); |
|
|
280 | SvPVX (sv) = 0; |
|
|
281 | SvOK_off (sv); |
|
|
282 | |
|
|
283 | return 0; |
|
|
284 | } |
|
|
285 | |
|
|
286 | static MGVTBL sysfree_vtbl = { |
|
|
287 | 0, 0, 0, 0, sysfree_free |
|
|
288 | }; |
|
|
289 | |
|
|
290 | /*****************************************************************************/ |
|
|
291 | |
|
|
292 | /* helper: set scalar to foreign ptr with custom free */ |
|
|
293 | static void |
|
|
294 | sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length) |
|
|
295 | { |
|
|
296 | sv_force_normal (sv); |
|
|
297 | |
|
|
298 | /* we store the length in mg_obj, as namlen is I32 :/ */ |
|
|
299 | sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0) |
|
|
300 | ->mg_obj = (SV *)length; |
|
|
301 | |
|
|
302 | SvUPGRADE (sv, SVt_PV); /* nop... */ |
|
|
303 | |
|
|
304 | if (SvLEN (sv)) |
|
|
305 | Safefree (SvPVX (sv)); |
|
|
306 | |
|
|
307 | SvPVX (sv) = (char *)addr; |
|
|
308 | SvCUR_set (sv, length); |
|
|
309 | SvLEN_set (sv, 0); |
|
|
310 | SvPOK_only (sv); |
|
|
311 | } |
|
|
312 | |
|
|
313 | static void |
|
|
314 | sv_clear_foreign (SV *sv) |
|
|
315 | { |
|
|
316 | /* todo: iterate over magic and only free ours, but of course */ |
|
|
317 | /* the perl5porters will call that (correct) behaviour buggy */ |
|
|
318 | sv_unmagic (sv, FOREIGN_MAGIC); |
|
|
319 | } |
|
|
320 | |
|
|
321 | /*****************************************************************************/ |
|
|
322 | |
|
|
323 | /* defines all sorts of constants to 0 unless they are already defined */ |
|
|
324 | /* also provides const_iv_ and const_niv_ macros for them */ |
|
|
325 | #include "def0.h" |
|
|
326 | |
|
|
327 | /*****************************************************************************/ |
|
|
328 | |
|
|
329 | static void |
|
|
330 | fiemap (eio_req *req) |
|
|
331 | { |
|
|
332 | req->result = -1; |
|
|
333 | |
|
|
334 | #if HAVE_FIEMAP |
|
|
335 | /* assume some c99 */ |
|
|
336 | struct fiemap *fiemap = 0; |
|
|
337 | size_t end_offset; |
|
|
338 | int count = req->int3; |
|
|
339 | |
|
|
340 | req->flags |= EIO_FLAG_PTR1_FREE; |
|
|
341 | |
|
|
342 | /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */ |
|
|
343 | /* increase in 3.5kb steps */ |
|
|
344 | if (count < 0) |
|
|
345 | count = 8; |
|
|
346 | |
|
|
347 | fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count); |
|
|
348 | errno = ENOMEM; |
|
|
349 | if (!fiemap) |
|
|
350 | return; |
|
|
351 | |
|
|
352 | req->ptr1 = fiemap; |
|
|
353 | |
|
|
354 | fiemap->fm_start = req->offs; |
|
|
355 | fiemap->fm_length = req->size; |
|
|
356 | fiemap->fm_flags = req->int2; |
|
|
357 | fiemap->fm_extent_count = count; |
|
|
358 | |
|
|
359 | if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0) |
|
|
360 | return; |
|
|
361 | |
|
|
362 | if (req->int3 >= 0 /* not autosizing */ |
|
|
363 | || !fiemap->fm_mapped_extents /* no more extents */ |
|
|
364 | || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */) |
|
|
365 | goto done; |
|
|
366 | |
|
|
367 | /* else we have to loop - |
|
|
368 | * it would be tempting (actually I tried that first) to just query the |
|
|
369 | * number of extents needed, but linux often feels like not returning all |
|
|
370 | * extents, without telling us it left any out. this complicates |
|
|
371 | * this quite a bit. |
|
|
372 | */ |
|
|
373 | |
|
|
374 | end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start); |
|
|
375 | |
|
|
376 | for (;;) |
|
|
377 | { |
|
|
378 | /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */ |
|
|
379 | char scratch[3072]; |
|
|
380 | struct fiemap *incmap = (struct fiemap *)scratch; |
|
|
381 | |
|
|
382 | incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical |
|
|
383 | + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length; |
|
|
384 | incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start); |
|
|
385 | incmap->fm_flags = fiemap->fm_flags; |
|
|
386 | incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent); |
|
|
387 | |
|
|
388 | if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0) |
|
|
389 | return; |
|
|
390 | |
|
|
391 | if (!incmap->fm_mapped_extents) |
|
|
392 | goto done; |
|
|
393 | |
|
|
394 | count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents; |
|
|
395 | fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count); |
|
|
396 | errno = ENOMEM; |
|
|
397 | if (!fiemap) |
|
|
398 | return; |
|
|
399 | |
|
|
400 | req->ptr1 = fiemap; |
|
|
401 | |
|
|
402 | for (count = 0; count < incmap->fm_mapped_extents; ++count) |
|
|
403 | { |
|
|
404 | struct fiemap_extent *e = incmap->fm_extents + count; |
|
|
405 | |
|
|
406 | if (e->fe_logical + e->fe_length >= end_offset) |
|
|
407 | goto done; |
|
|
408 | |
|
|
409 | fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e; |
|
|
410 | |
|
|
411 | if (e->fe_flags & FIEMAP_EXTENT_LAST) |
|
|
412 | goto done; |
|
|
413 | |
|
|
414 | } |
|
|
415 | } |
|
|
416 | |
|
|
417 | done: |
|
|
418 | req->result = 0; |
|
|
419 | |
44 | #else |
420 | #else |
45 | # define STACKSIZE 8192 |
421 | errno = ENOSYS; |
46 | #endif |
422 | #endif |
|
|
423 | } |
|
|
424 | |
|
|
425 | /*****************************************************************************/ |
|
|
426 | |
|
|
427 | static int close_fd; /* dummy fd to close fds via dup2 */ |
47 | |
428 | |
48 | enum { |
429 | enum { |
49 | REQ_QUIT, |
430 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
50 | REQ_OPEN, REQ_CLOSE, |
|
|
51 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
|
|
52 | REQ_SENDFILE, |
|
|
53 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
|
|
54 | REQ_FSYNC, REQ_FDATASYNC, |
|
|
55 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
|
|
56 | REQ_READDIR, |
|
|
57 | REQ_LINK, REQ_SYMLINK, |
|
|
58 | REQ_GROUP, |
|
|
59 | }; |
431 | }; |
60 | |
432 | |
61 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
|
|
62 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
|
|
63 | |
|
|
64 | typedef struct aio_cb |
|
|
65 | { |
|
|
66 | struct aio_cb *grp, *grp_prev, *grp_next; |
|
|
67 | |
|
|
68 | struct aio_cb *volatile next; |
|
|
69 | |
|
|
70 | SV *self; /* the perl counterpart of this request, if any */ |
|
|
71 | |
|
|
72 | SV *data, *callback; |
|
|
73 | SV *fh, *fh2; |
|
|
74 | void *dataptr, *data2ptr; |
|
|
75 | Stat_t *statdata; |
|
|
76 | off_t offset; |
|
|
77 | size_t length; |
|
|
78 | ssize_t result; |
|
|
79 | |
|
|
80 | int type; |
|
|
81 | int fd, fd2; |
|
|
82 | int errorno; |
|
|
83 | STRLEN dataoffset; |
|
|
84 | mode_t mode; /* open */ |
|
|
85 | unsigned char cancelled; |
|
|
86 | } aio_cb; |
|
|
87 | |
|
|
88 | typedef aio_cb *aio_req; |
433 | typedef eio_req *aio_req; |
89 | typedef aio_cb *aio_req_ornot; |
434 | typedef eio_req *aio_req_ornot; |
90 | typedef aio_cb *aio_group; |
435 | typedef eio_wd aio_wd; |
91 | |
436 | |
92 | static int started, wanted; |
437 | static SV *on_next_submit; |
93 | static volatile int nreqs; |
438 | static int next_pri = EIO_PRI_DEFAULT; |
94 | static int max_outstanding = 1<<30; |
439 | static int max_outstanding; |
95 | static int respipe [2]; |
|
|
96 | |
440 | |
97 | static pthread_mutex_t reslock = PTHREAD_MUTEX_INITIALIZER; |
441 | static s_epipe respipe; |
98 | static pthread_mutex_t reqlock = PTHREAD_MUTEX_INITIALIZER; |
|
|
99 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
|
|
100 | |
442 | |
101 | static volatile aio_req reqs, reqe; /* queue start, queue end */ |
443 | static void req_destroy (aio_req req); |
102 | static volatile aio_req ress, rese; /* queue start, queue end */ |
444 | static void req_cancel (aio_req req); |
|
|
445 | |
|
|
446 | static void |
|
|
447 | want_poll (void) |
|
|
448 | { |
|
|
449 | /* write a dummy byte to the pipe so fh becomes ready */ |
|
|
450 | s_epipe_signal (&respipe); |
|
|
451 | } |
|
|
452 | |
|
|
453 | static void |
|
|
454 | done_poll (void) |
|
|
455 | { |
|
|
456 | /* read any signals sent by the worker threads */ |
|
|
457 | s_epipe_drain (&respipe); |
|
|
458 | } |
103 | |
459 | |
104 | /* must be called at most once */ |
460 | /* must be called at most once */ |
105 | static SV *req_sv (aio_req req, const char *klass) |
461 | static SV * |
|
|
462 | req_sv (aio_req req, HV *stash) |
106 | { |
463 | { |
|
|
464 | if (!req->self) |
|
|
465 | { |
107 | req->self = (SV *)newHV (); |
466 | req->self = (SV *)newHV (); |
108 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
467 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
|
|
468 | } |
109 | |
469 | |
110 | return sv_2mortal (sv_bless (newRV_noinc (req->self), gv_stashpv (klass, 1))); |
470 | return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); |
111 | } |
471 | } |
112 | |
472 | |
113 | static aio_req SvAIO_REQ (SV *sv, const char *klass) |
473 | static SV * |
|
|
474 | newSVaio_wd (aio_wd wd) |
114 | { |
475 | { |
115 | if (!sv_derived_from (sv, klass) || !SvROK (sv)) |
476 | return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash); |
|
|
477 | } |
|
|
478 | |
|
|
479 | static aio_req |
|
|
480 | SvAIO_REQ (SV *sv) |
|
|
481 | { |
|
|
482 | MAGIC *mg; |
|
|
483 | |
|
|
484 | if (!SvROK (sv) |
|
|
485 | /* for speed reasons, we do not verify that SvROK actually has a stash ptr */ |
|
|
486 | || (SvSTASH (SvRV (sv)) != aio_grp_stash |
|
|
487 | && SvSTASH (SvRV (sv)) != aio_req_stash |
|
|
488 | && !sv_derived_from (sv, "IO::AIO::REQ"))) |
116 | croak ("object of class %s expected", klass); |
489 | croak ("object of class IO::AIO::REQ expected"); |
117 | |
490 | |
118 | MAGIC *mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
491 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
119 | |
492 | |
120 | return mg ? (aio_req)mg->mg_ptr : 0; |
493 | return mg ? (aio_req)mg->mg_ptr : 0; |
121 | } |
494 | } |
122 | |
495 | |
123 | static void req_free (aio_req req) |
496 | static aio_wd |
|
|
497 | SvAIO_WD (SV *sv) |
|
|
498 | { |
|
|
499 | if (!SvROK (sv) |
|
|
500 | || SvTYPE (SvRV (sv)) != SVt_PVMG |
|
|
501 | || SvSTASH (SvRV (sv)) != aio_wd_stash) |
|
|
502 | croak ("IO::AIO: expected a working directory object as returned by aio_wd"); |
|
|
503 | |
|
|
504 | return (aio_wd)(long)SvIVX (SvRV (sv)); |
|
|
505 | } |
|
|
506 | |
|
|
507 | static SV * |
|
|
508 | newmortalFH (int fd, int flags) |
|
|
509 | { |
|
|
510 | if (fd < 0) |
|
|
511 | return &PL_sv_undef; |
|
|
512 | |
|
|
513 | GV *gv = (GV *)sv_newmortal (); |
|
|
514 | char sym[64]; |
|
|
515 | int symlen; |
|
|
516 | |
|
|
517 | symlen = snprintf (sym, sizeof (sym), "fd#%d", fd); |
|
|
518 | gv_init (gv, aio_stash, sym, symlen, 0); |
|
|
519 | |
|
|
520 | symlen = snprintf ( |
|
|
521 | sym, |
|
|
522 | sizeof (sym), |
|
|
523 | "%s&=%d", |
|
|
524 | flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<", |
|
|
525 | fd |
|
|
526 | ); |
|
|
527 | |
|
|
528 | return do_open (gv, sym, symlen, 0, 0, 0, 0) |
|
|
529 | ? (SV *)gv : &PL_sv_undef; |
|
|
530 | } |
|
|
531 | |
|
|
532 | static void |
|
|
533 | aio_grp_feed (aio_req grp) |
|
|
534 | { |
|
|
535 | if (grp->sv2 && SvOK (grp->sv2)) |
|
|
536 | { |
|
|
537 | dSP; |
|
|
538 | |
|
|
539 | ENTER; |
|
|
540 | SAVETMPS; |
|
|
541 | PUSHMARK (SP); |
|
|
542 | XPUSHs (req_sv (grp, aio_grp_stash)); |
|
|
543 | PUTBACK; |
|
|
544 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
|
|
545 | SPAGAIN; |
|
|
546 | FREETMPS; |
|
|
547 | LEAVE; |
|
|
548 | } |
|
|
549 | } |
|
|
550 | |
|
|
551 | static void |
|
|
552 | req_submit (eio_req *req) |
|
|
553 | { |
|
|
554 | eio_submit (req); |
|
|
555 | |
|
|
556 | if (expect_false (on_next_submit)) |
|
|
557 | { |
|
|
558 | dSP; |
|
|
559 | SV *cb = sv_2mortal (on_next_submit); |
|
|
560 | |
|
|
561 | on_next_submit = 0; |
|
|
562 | |
|
|
563 | PUSHMARK (SP); |
|
|
564 | PUTBACK; |
|
|
565 | call_sv (cb, G_DISCARD | G_EVAL); |
|
|
566 | } |
|
|
567 | } |
|
|
568 | |
|
|
569 | static int |
|
|
570 | req_invoke (eio_req *req) |
|
|
571 | { |
|
|
572 | if (req->flags & FLAG_SV2_RO_OFF) |
|
|
573 | SvREADONLY_off (req->sv2); |
|
|
574 | |
|
|
575 | if (!EIO_CANCELLED (req) && req->callback) |
|
|
576 | { |
|
|
577 | dSP; |
|
|
578 | static SV *sv_result_cache; /* caches the result integer SV */ |
|
|
579 | SV *sv_result; |
|
|
580 | |
|
|
581 | ENTER; |
|
|
582 | SAVETMPS; |
|
|
583 | PUSHMARK (SP); |
|
|
584 | EXTEND (SP, 1); |
|
|
585 | |
|
|
586 | /* do not recreate the result IV from scratch each time */ |
|
|
587 | if (expect_true (sv_result_cache)) |
|
|
588 | { |
|
|
589 | sv_result = sv_result_cache; sv_result_cache = 0; |
|
|
590 | SvIV_set (sv_result, req->result); |
|
|
591 | SvIOK_only (sv_result); |
|
|
592 | } |
|
|
593 | else |
|
|
594 | { |
|
|
595 | sv_result = newSViv (req->result); |
|
|
596 | SvREADONLY_on (sv_result); |
|
|
597 | } |
|
|
598 | |
|
|
599 | switch (req->type) |
|
|
600 | { |
|
|
601 | case EIO_WD_OPEN: |
|
|
602 | PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd))); |
|
|
603 | break; |
|
|
604 | |
|
|
605 | case EIO_READDIR: |
|
|
606 | { |
|
|
607 | SV *rv = &PL_sv_undef; |
|
|
608 | |
|
|
609 | if (req->result >= 0) |
|
|
610 | { |
|
|
611 | int i; |
|
|
612 | char *names = (char *)req->ptr2; |
|
|
613 | eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */ |
|
|
614 | AV *av = newAV (); |
|
|
615 | |
|
|
616 | av_extend (av, req->result - 1); |
|
|
617 | |
|
|
618 | for (i = 0; i < req->result; ++i) |
|
|
619 | { |
|
|
620 | if (req->int1 & EIO_READDIR_DENTS) |
|
|
621 | { |
|
|
622 | SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen); |
|
|
623 | |
|
|
624 | if (req->int1 & EIO_READDIR_CUSTOM2) |
|
|
625 | { |
|
|
626 | static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */ |
|
|
627 | AV *avent = newAV (); |
|
|
628 | |
|
|
629 | av_extend (avent, 2); |
|
|
630 | |
|
|
631 | if (!sv_type [ent->type]) |
|
|
632 | { |
|
|
633 | sv_type [ent->type] = newSViv (ent->type); |
|
|
634 | SvREADONLY_on (sv_type [ent->type]); |
|
|
635 | } |
|
|
636 | |
|
|
637 | av_store (avent, 0, namesv); |
|
|
638 | av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type])); |
|
|
639 | av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode)); |
|
|
640 | |
|
|
641 | av_store (av, i, newRV_noinc ((SV *)avent)); |
|
|
642 | } |
|
|
643 | else |
|
|
644 | av_store (av, i, namesv); |
|
|
645 | |
|
|
646 | ++ent; |
|
|
647 | } |
|
|
648 | else |
|
|
649 | { |
|
|
650 | SV *name = newSVpv (names, 0); |
|
|
651 | av_store (av, i, name); |
|
|
652 | names += SvCUR (name) + 1; |
|
|
653 | } |
|
|
654 | } |
|
|
655 | |
|
|
656 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
|
|
657 | } |
|
|
658 | |
|
|
659 | PUSHs (rv); |
|
|
660 | |
|
|
661 | if (req->int1 & EIO_READDIR_CUSTOM1) |
|
|
662 | XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); |
|
|
663 | } |
|
|
664 | break; |
|
|
665 | |
|
|
666 | case EIO_OPEN: |
|
|
667 | PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR))); |
|
|
668 | break; |
|
|
669 | |
|
|
670 | case EIO_STATVFS: |
|
|
671 | case EIO_FSTATVFS: |
|
|
672 | { |
|
|
673 | SV *rv = &PL_sv_undef; |
|
|
674 | |
|
|
675 | #ifndef _WIN32 |
|
|
676 | if (req->result >= 0) |
|
|
677 | { |
|
|
678 | EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); |
|
|
679 | HV *hv = newHV (); |
|
|
680 | /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom |
|
|
681 | * chooses to make it a struct. |
|
|
682 | */ |
|
|
683 | unsigned long fsid = 0; |
|
|
684 | memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid)); |
|
|
685 | |
|
|
686 | rv = sv_2mortal (newRV_noinc ((SV *)hv)); |
|
|
687 | |
|
|
688 | hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); |
|
|
689 | hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); |
|
|
690 | hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0); |
|
|
691 | hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); |
|
|
692 | hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); |
|
|
693 | hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); |
|
|
694 | hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); |
|
|
695 | hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); |
|
|
696 | hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0); |
|
|
697 | hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); |
|
|
698 | hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); |
|
|
699 | } |
|
|
700 | #endif |
|
|
701 | |
|
|
702 | PUSHs (rv); |
|
|
703 | } |
|
|
704 | |
|
|
705 | break; |
|
|
706 | |
|
|
707 | case EIO_GROUP: |
|
|
708 | req->int1 = 2; /* mark group as finished */ |
|
|
709 | |
|
|
710 | if (req->sv1) |
|
|
711 | { |
|
|
712 | int i; |
|
|
713 | AV *av = (AV *)req->sv1; |
|
|
714 | |
|
|
715 | EXTEND (SP, AvFILL (av) + 1); |
|
|
716 | for (i = 0; i <= AvFILL (av); ++i) |
|
|
717 | PUSHs (*av_fetch (av, i, 0)); |
|
|
718 | } |
|
|
719 | break; |
|
|
720 | |
|
|
721 | case EIO_NOP: |
|
|
722 | case EIO_BUSY: |
|
|
723 | break; |
|
|
724 | |
|
|
725 | case EIO_READLINK: |
|
|
726 | case EIO_REALPATH: |
|
|
727 | if (req->result > 0) |
|
|
728 | PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); |
|
|
729 | break; |
|
|
730 | |
|
|
731 | case EIO_STAT: |
|
|
732 | case EIO_LSTAT: |
|
|
733 | case EIO_FSTAT: |
|
|
734 | PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
735 | |
|
|
736 | if (!(PL_laststatval = req->result)) |
|
|
737 | /* if compilation fails here then perl's Stat_t is not struct _stati64 */ |
|
|
738 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
|
|
739 | |
|
|
740 | PUSHs (sv_result); |
|
|
741 | break; |
|
|
742 | |
|
|
743 | case EIO_SEEK: |
|
|
744 | PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs))); |
|
|
745 | break; |
|
|
746 | |
|
|
747 | case EIO_READ: |
|
|
748 | { |
|
|
749 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
|
|
750 | *SvEND (req->sv2) = 0; |
|
|
751 | SvPOK_only (req->sv2); |
|
|
752 | SvSETMAGIC (req->sv2); |
|
|
753 | PUSHs (sv_result); |
|
|
754 | } |
|
|
755 | break; |
|
|
756 | |
|
|
757 | case EIO_SLURP: |
|
|
758 | { |
|
|
759 | if (req->result >= 0) |
|
|
760 | { |
|
|
761 | /* if length was originally not known, we steal the malloc'ed memory */ |
|
|
762 | if (req->flags & EIO_FLAG_PTR2_FREE) |
|
|
763 | { |
|
|
764 | req->flags &= ~EIO_FLAG_PTR2_FREE; |
|
|
765 | sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result); |
|
|
766 | } |
|
|
767 | else |
|
|
768 | { |
|
|
769 | SvCUR_set (req->sv2, req->result); |
|
|
770 | *SvEND (req->sv2) = 0; |
|
|
771 | SvPOK_only (req->sv2); |
|
|
772 | } |
|
|
773 | |
|
|
774 | SvSETMAGIC (req->sv2); |
|
|
775 | } |
|
|
776 | |
|
|
777 | PUSHs (sv_result); |
|
|
778 | } |
|
|
779 | break; |
|
|
780 | |
|
|
781 | case EIO_CUSTOM: |
|
|
782 | if (req->feed == fiemap) |
|
|
783 | { |
|
|
784 | #if HAVE_FIEMAP |
|
|
785 | if (!req->result) |
|
|
786 | { |
|
|
787 | struct fiemap *fiemap = (struct fiemap *)req->ptr1; |
|
|
788 | |
|
|
789 | if (fiemap->fm_extent_count) |
|
|
790 | { |
|
|
791 | AV *av = newAV (); |
|
|
792 | int i; |
|
|
793 | |
|
|
794 | while (fiemap->fm_mapped_extents) |
|
|
795 | { |
|
|
796 | struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents]; |
|
|
797 | AV *ext_av = newAV (); |
|
|
798 | |
|
|
799 | av_store (ext_av, 3, newSVuv (extent->fe_flags)); |
|
|
800 | av_store (ext_av, 2, newSVval64 (extent->fe_length)); |
|
|
801 | av_store (ext_av, 1, newSVval64 (extent->fe_physical)); |
|
|
802 | av_store (ext_av, 0, newSVval64 (extent->fe_logical)); |
|
|
803 | |
|
|
804 | av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av)); |
|
|
805 | } |
|
|
806 | |
|
|
807 | PUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
808 | } |
|
|
809 | else |
|
|
810 | { |
|
|
811 | SvIV_set (sv_result, fiemap->fm_mapped_extents); |
|
|
812 | PUSHs (sv_result); |
|
|
813 | } |
|
|
814 | } |
|
|
815 | #endif |
|
|
816 | } |
|
|
817 | else |
|
|
818 | PUSHs (sv_result); |
|
|
819 | break; |
|
|
820 | |
|
|
821 | case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ |
|
|
822 | if (req->result > 0) |
|
|
823 | SvIV_set (sv_result, 0); |
|
|
824 | /* FALLTHROUGH */ |
|
|
825 | |
|
|
826 | default: |
|
|
827 | PUSHs (sv_result); |
|
|
828 | break; |
|
|
829 | } |
|
|
830 | |
|
|
831 | errno = req->errorno; |
|
|
832 | |
|
|
833 | PUTBACK; |
|
|
834 | call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
|
|
835 | SPAGAIN; |
|
|
836 | |
|
|
837 | if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache)) |
|
|
838 | SvREFCNT_dec (sv_result); |
|
|
839 | else |
|
|
840 | sv_result_cache = sv_result; |
|
|
841 | |
|
|
842 | FREETMPS; |
|
|
843 | LEAVE; |
|
|
844 | |
|
|
845 | PUTBACK; |
|
|
846 | } |
|
|
847 | |
|
|
848 | return !!SvTRUE (ERRSV); |
|
|
849 | } |
|
|
850 | |
|
|
851 | static void |
|
|
852 | req_destroy (aio_req req) |
124 | { |
853 | { |
125 | if (req->self) |
854 | if (req->self) |
126 | { |
855 | { |
127 | sv_unmagic (req->self, PERL_MAGIC_ext); |
856 | sv_unmagic (req->self, PERL_MAGIC_ext); |
128 | SvREFCNT_dec (req->self); |
857 | SvREFCNT_dec (req->self); |
129 | } |
858 | } |
130 | |
859 | |
131 | if (req->data) |
|
|
132 | SvREFCNT_dec (req->data); |
|
|
133 | |
|
|
134 | if (req->fh) |
|
|
135 | SvREFCNT_dec (req->fh); |
860 | SvREFCNT_dec (req->sv1); |
136 | |
|
|
137 | if (req->fh2) |
|
|
138 | SvREFCNT_dec (req->fh2); |
861 | SvREFCNT_dec (req->sv2); |
139 | |
862 | SvREFCNT_dec (req->sv3); |
140 | if (req->statdata) |
863 | SvREFCNT_dec (req->sv4); |
141 | Safefree (req->statdata); |
|
|
142 | |
|
|
143 | if (req->callback) |
|
|
144 | SvREFCNT_dec (req->callback); |
864 | SvREFCNT_dec (req->callback); |
145 | |
865 | |
146 | if (req->type == REQ_READDIR && req->result >= 0) |
|
|
147 | free (req->data2ptr); |
|
|
148 | |
|
|
149 | Safefree (req); |
866 | free (req); |
150 | } |
867 | } |
151 | |
868 | |
152 | static void |
869 | static void |
|
|
870 | req_cancel_subs (aio_req grp) |
|
|
871 | { |
|
|
872 | if (grp->type != EIO_GROUP) |
|
|
873 | return; |
|
|
874 | |
|
|
875 | SvREFCNT_dec (grp->sv2); |
|
|
876 | grp->sv2 = 0; |
|
|
877 | |
|
|
878 | eio_grp_cancel (grp); |
|
|
879 | } |
|
|
880 | |
|
|
881 | static void ecb_cold |
|
|
882 | create_respipe (void) |
|
|
883 | { |
|
|
884 | if (s_epipe_renew (&respipe)) |
|
|
885 | croak ("IO::AIO: unable to initialize result pipe"); |
|
|
886 | } |
|
|
887 | |
|
|
888 | static void |
153 | poll_wait () |
889 | poll_wait (void) |
154 | { |
890 | { |
155 | if (nreqs && !ress) |
891 | while (eio_nreqs ()) |
156 | { |
892 | { |
157 | fd_set rfd; |
893 | int size; |
158 | FD_ZERO(&rfd); |
|
|
159 | FD_SET(respipe [0], &rfd); |
|
|
160 | |
894 | |
161 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
895 | X_LOCK (EIO_POOL->reslock); |
|
|
896 | size = EIO_POOL->res_queue.size; |
|
|
897 | X_UNLOCK (EIO_POOL->reslock); |
|
|
898 | |
|
|
899 | if (size) |
|
|
900 | return; |
|
|
901 | |
|
|
902 | etp_maybe_start_thread (EIO_POOL); |
|
|
903 | |
|
|
904 | s_epipe_wait (&respipe); |
162 | } |
905 | } |
163 | } |
906 | } |
164 | |
907 | |
165 | static int |
908 | static int |
166 | poll_cb () |
909 | poll_cb (void) |
167 | { |
910 | { |
168 | dSP; |
|
|
169 | int count = 0; |
|
|
170 | int do_croak = 0; |
|
|
171 | aio_req req; |
|
|
172 | |
|
|
173 | for (;;) |
911 | for (;;) |
174 | { |
912 | { |
175 | pthread_mutex_lock (&reslock); |
913 | int res = eio_poll (); |
176 | req = ress; |
|
|
177 | |
914 | |
178 | if (req) |
915 | if (res > 0) |
|
|
916 | croak (0); |
|
|
917 | |
|
|
918 | if (!max_outstanding || max_outstanding > eio_nreqs ()) |
|
|
919 | return res; |
|
|
920 | |
|
|
921 | poll_wait (); |
|
|
922 | } |
|
|
923 | } |
|
|
924 | |
|
|
925 | static void ecb_cold |
|
|
926 | reinit (void) |
|
|
927 | { |
|
|
928 | create_respipe (); |
|
|
929 | |
|
|
930 | if (eio_init (want_poll, done_poll) < 0) |
|
|
931 | croak ("IO::AIO: unable to initialise eio library"); |
|
|
932 | } |
|
|
933 | |
|
|
934 | /*****************************************************************************/ |
|
|
935 | |
|
|
936 | static SV * |
|
|
937 | get_cb (SV *cb_sv) |
|
|
938 | { |
|
|
939 | SvGETMAGIC (cb_sv); |
|
|
940 | return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; |
|
|
941 | } |
|
|
942 | |
|
|
943 | static aio_req ecb_noinline |
|
|
944 | dreq (SV *callback) |
|
|
945 | { |
|
|
946 | SV *cb_cv; |
|
|
947 | aio_req req; |
|
|
948 | int req_pri = next_pri; |
|
|
949 | next_pri = EIO_PRI_DEFAULT; |
|
|
950 | |
|
|
951 | cb_cv = get_cb (callback); |
|
|
952 | |
|
|
953 | req = calloc (sizeof (*req), 1); |
|
|
954 | if (!req) |
|
|
955 | croak ("out of memory during eio_req allocation"); |
|
|
956 | |
|
|
957 | req->callback = SvREFCNT_inc (cb_cv); |
|
|
958 | req->pri = req_pri; |
|
|
959 | |
|
|
960 | return req; |
|
|
961 | } |
|
|
962 | |
|
|
963 | #define dREQ \ |
|
|
964 | aio_req req = dreq (callback); \ |
|
|
965 | |
|
|
966 | #define REQ_SEND \ |
|
|
967 | PUTBACK; \ |
|
|
968 | req_submit (req); \ |
|
|
969 | SPAGAIN; \ |
|
|
970 | \ |
|
|
971 | if (GIMME_V != G_VOID) \ |
|
|
972 | XPUSHs (req_sv (req, aio_req_stash)); |
|
|
973 | |
|
|
974 | ecb_inline void |
|
|
975 | req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr) |
|
|
976 | { |
|
|
977 | if (expect_false (SvROK (path))) |
|
|
978 | { |
|
|
979 | SV *rv = SvRV (path); |
|
|
980 | SV *wdob; |
|
|
981 | |
|
|
982 | if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1) |
179 | { |
983 | { |
180 | ress = req->next; |
984 | path = AvARRAY (rv)[1]; |
|
|
985 | wdob = AvARRAY (rv)[0]; |
181 | |
986 | |
182 | if (!ress) |
987 | if (SvOK (wdob)) |
183 | { |
988 | { |
184 | /* read any signals sent by the worker threads */ |
989 | *wd = SvAIO_WD (wdob); |
185 | char buf [32]; |
990 | *wdsv = SvREFCNT_inc_NN (SvRV (wdob)); |
186 | while (read (respipe [0], buf, 32) == 32) |
|
|
187 | ; |
|
|
188 | |
|
|
189 | rese = 0; |
|
|
190 | } |
|
|
191 | } |
|
|
192 | |
|
|
193 | pthread_mutex_unlock (&reslock); |
|
|
194 | |
|
|
195 | if (!req) |
|
|
196 | break; |
|
|
197 | |
|
|
198 | nreqs--; |
|
|
199 | |
|
|
200 | if (req->type == REQ_QUIT) |
|
|
201 | started--; |
|
|
202 | else |
|
|
203 | { |
|
|
204 | int errorno = errno; |
|
|
205 | errno = req->errorno; |
|
|
206 | |
|
|
207 | if (req->type == REQ_READ) |
|
|
208 | SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0)); |
|
|
209 | |
|
|
210 | if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE)) |
|
|
211 | SvREADONLY_off (req->data); |
|
|
212 | |
|
|
213 | if (req->statdata) |
|
|
214 | { |
|
|
215 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
216 | PL_laststatval = req->result; |
|
|
217 | PL_statcache = *(req->statdata); |
|
|
218 | } |
|
|
219 | |
|
|
220 | ENTER; |
|
|
221 | PUSHMARK (SP); |
|
|
222 | |
|
|
223 | if (req->type == REQ_READDIR) |
|
|
224 | { |
|
|
225 | SV *rv = &PL_sv_undef; |
|
|
226 | |
|
|
227 | if (req->result >= 0) |
|
|
228 | { |
|
|
229 | char *buf = req->data2ptr; |
|
|
230 | AV *av = newAV (); |
|
|
231 | |
|
|
232 | while (req->result) |
|
|
233 | { |
|
|
234 | SV *sv = newSVpv (buf, 0); |
|
|
235 | |
|
|
236 | av_push (av, sv); |
|
|
237 | buf += SvCUR (sv) + 1; |
|
|
238 | req->result--; |
|
|
239 | } |
|
|
240 | |
|
|
241 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
|
|
242 | } |
|
|
243 | |
|
|
244 | XPUSHs (rv); |
|
|
245 | } |
991 | } |
246 | else |
992 | else |
247 | { |
993 | *wd = EIO_INVALID_WD; |
248 | XPUSHs (sv_2mortal (newSViv (req->result))); |
|
|
249 | |
|
|
250 | if (req->type == REQ_OPEN) |
|
|
251 | { |
|
|
252 | /* convert fd to fh */ |
|
|
253 | SV *fh; |
|
|
254 | |
|
|
255 | PUTBACK; |
|
|
256 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
|
|
257 | SPAGAIN; |
|
|
258 | |
|
|
259 | fh = SvREFCNT_inc (POPs); |
|
|
260 | |
|
|
261 | PUSHMARK (SP); |
|
|
262 | XPUSHs (sv_2mortal (fh)); |
|
|
263 | } |
|
|
264 | } |
|
|
265 | |
|
|
266 | if (SvOK (req->callback) && !req->cancelled) |
|
|
267 | { |
|
|
268 | PUTBACK; |
|
|
269 | call_sv (req->callback, G_VOID | G_EVAL); |
|
|
270 | SPAGAIN; |
|
|
271 | |
|
|
272 | if (SvTRUE (ERRSV)) |
|
|
273 | { |
|
|
274 | req_free (req); |
|
|
275 | croak (0); |
|
|
276 | } |
|
|
277 | } |
|
|
278 | |
|
|
279 | LEAVE; |
|
|
280 | |
|
|
281 | errno = errorno; |
|
|
282 | count++; |
|
|
283 | } |
994 | } |
284 | |
995 | else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash) |
285 | req_free (req); |
|
|
286 | } |
|
|
287 | |
|
|
288 | return count; |
|
|
289 | } |
|
|
290 | |
|
|
291 | static void *aio_proc(void *arg); |
|
|
292 | |
|
|
293 | static void |
|
|
294 | start_thread (void) |
|
|
295 | { |
|
|
296 | sigset_t fullsigset, oldsigset; |
|
|
297 | pthread_t tid; |
|
|
298 | pthread_attr_t attr; |
|
|
299 | |
|
|
300 | pthread_attr_init (&attr); |
|
|
301 | pthread_attr_setstacksize (&attr, STACKSIZE); |
|
|
302 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
|
|
303 | |
|
|
304 | sigfillset (&fullsigset); |
|
|
305 | sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset); |
|
|
306 | |
|
|
307 | if (pthread_create (&tid, &attr, aio_proc, 0) == 0) |
|
|
308 | started++; |
|
|
309 | |
|
|
310 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
|
|
311 | } |
|
|
312 | |
|
|
313 | static void |
|
|
314 | req_send (aio_req req) |
|
|
315 | { |
|
|
316 | while (started < wanted && nreqs >= started) |
|
|
317 | start_thread (); |
|
|
318 | |
|
|
319 | nreqs++; |
|
|
320 | |
|
|
321 | pthread_mutex_lock (&reqlock); |
|
|
322 | |
|
|
323 | req->next = 0; |
|
|
324 | |
|
|
325 | if (reqe) |
|
|
326 | { |
|
|
327 | reqe->next = req; |
|
|
328 | reqe = req; |
|
|
329 | } |
|
|
330 | else |
|
|
331 | reqe = reqs = req; |
|
|
332 | |
|
|
333 | pthread_cond_signal (&reqwait); |
|
|
334 | pthread_mutex_unlock (&reqlock); |
|
|
335 | |
|
|
336 | if (nreqs > max_outstanding) |
|
|
337 | for (;;) |
|
|
338 | { |
|
|
339 | poll_cb (); |
|
|
340 | |
|
|
341 | if (nreqs <= max_outstanding) |
|
|
342 | break; |
|
|
343 | |
|
|
344 | poll_wait (); |
|
|
345 | } |
|
|
346 | } |
|
|
347 | |
|
|
348 | static void |
|
|
349 | end_thread (void) |
|
|
350 | { |
|
|
351 | aio_req req; |
|
|
352 | Newz (0, req, 1, aio_cb); |
|
|
353 | req->type = REQ_QUIT; |
|
|
354 | |
|
|
355 | req_send (req); |
|
|
356 | } |
|
|
357 | |
|
|
358 | static void min_parallel (int nthreads) |
|
|
359 | { |
|
|
360 | if (wanted < nthreads) |
|
|
361 | wanted = nthreads; |
|
|
362 | } |
|
|
363 | |
|
|
364 | static void max_parallel (int nthreads) |
|
|
365 | { |
|
|
366 | int cur = started; |
|
|
367 | |
|
|
368 | if (wanted > nthreads) |
|
|
369 | wanted = nthreads; |
|
|
370 | |
|
|
371 | while (cur > wanted) |
|
|
372 | { |
|
|
373 | end_thread (); |
|
|
374 | cur--; |
|
|
375 | } |
|
|
376 | |
|
|
377 | while (started > wanted) |
|
|
378 | { |
|
|
379 | poll_wait (); |
|
|
380 | poll_cb (); |
|
|
381 | } |
|
|
382 | } |
|
|
383 | |
|
|
384 | static void create_pipe () |
|
|
385 | { |
|
|
386 | if (pipe (respipe)) |
|
|
387 | croak ("unable to initialize result pipe"); |
|
|
388 | |
|
|
389 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)) |
|
|
390 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
391 | |
|
|
392 | if (fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
|
|
393 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
394 | } |
|
|
395 | |
|
|
396 | /*****************************************************************************/ |
|
|
397 | /* work around various missing functions */ |
|
|
398 | |
|
|
399 | #if !HAVE_PREADWRITE |
|
|
400 | # define pread aio_pread |
|
|
401 | # define pwrite aio_pwrite |
|
|
402 | |
|
|
403 | /* |
|
|
404 | * make our pread/pwrite safe against themselves, but not against |
|
|
405 | * normal read/write by using a mutex. slows down execution a lot, |
|
|
406 | * but that's your problem, not mine. |
|
|
407 | */ |
|
|
408 | static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER; |
|
|
409 | |
|
|
410 | static ssize_t |
|
|
411 | pread (int fd, void *buf, size_t count, off_t offset) |
|
|
412 | { |
|
|
413 | ssize_t res; |
|
|
414 | off_t ooffset; |
|
|
415 | |
|
|
416 | pthread_mutex_lock (&preadwritelock); |
|
|
417 | ooffset = lseek (fd, 0, SEEK_CUR); |
|
|
418 | lseek (fd, offset, SEEK_SET); |
|
|
419 | res = read (fd, buf, count); |
|
|
420 | lseek (fd, ooffset, SEEK_SET); |
|
|
421 | pthread_mutex_unlock (&preadwritelock); |
|
|
422 | |
|
|
423 | return res; |
|
|
424 | } |
|
|
425 | |
|
|
426 | static ssize_t |
|
|
427 | pwrite (int fd, void *buf, size_t count, off_t offset) |
|
|
428 | { |
|
|
429 | ssize_t res; |
|
|
430 | off_t ooffset; |
|
|
431 | |
|
|
432 | pthread_mutex_lock (&preadwritelock); |
|
|
433 | ooffset = lseek (fd, 0, SEEK_CUR); |
|
|
434 | lseek (fd, offset, SEEK_SET); |
|
|
435 | res = write (fd, buf, count); |
|
|
436 | lseek (fd, offset, SEEK_SET); |
|
|
437 | pthread_mutex_unlock (&preadwritelock); |
|
|
438 | |
|
|
439 | return res; |
|
|
440 | } |
|
|
441 | #endif |
|
|
442 | |
|
|
443 | #if !HAVE_FDATASYNC |
|
|
444 | # define fdatasync fsync |
|
|
445 | #endif |
|
|
446 | |
|
|
447 | #if !HAVE_READAHEAD |
|
|
448 | # define readahead aio_readahead |
|
|
449 | |
|
|
450 | static ssize_t |
|
|
451 | readahead (int fd, off_t offset, size_t count) |
|
|
452 | { |
|
|
453 | char readahead_buf[4096]; |
|
|
454 | |
|
|
455 | while (count > 0) |
|
|
456 | { |
|
|
457 | size_t len = count < sizeof (readahead_buf) ? count : sizeof (readahead_buf); |
|
|
458 | |
|
|
459 | pread (fd, readahead_buf, len, offset); |
|
|
460 | offset += len; |
|
|
461 | count -= len; |
|
|
462 | } |
|
|
463 | |
|
|
464 | errno = 0; |
|
|
465 | } |
|
|
466 | #endif |
|
|
467 | |
|
|
468 | #if !HAVE_READDIR_R |
|
|
469 | # define readdir_r aio_readdir_r |
|
|
470 | |
|
|
471 | static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER; |
|
|
472 | |
|
|
473 | static int |
|
|
474 | readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) |
|
|
475 | { |
|
|
476 | struct dirent *e; |
|
|
477 | int errorno; |
|
|
478 | |
|
|
479 | pthread_mutex_lock (&readdirlock); |
|
|
480 | |
|
|
481 | e = readdir (dirp); |
|
|
482 | errorno = errno; |
|
|
483 | |
|
|
484 | if (e) |
|
|
485 | { |
|
|
486 | *res = ent; |
|
|
487 | strcpy (ent->d_name, e->d_name); |
|
|
488 | } |
|
|
489 | else |
|
|
490 | *res = 0; |
|
|
491 | |
|
|
492 | pthread_mutex_unlock (&readdirlock); |
|
|
493 | |
|
|
494 | errno = errorno; |
|
|
495 | return e ? 0 : -1; |
|
|
496 | } |
|
|
497 | #endif |
|
|
498 | |
|
|
499 | /* sendfile always needs emulation */ |
|
|
500 | static ssize_t |
|
|
501 | sendfile_ (int ofd, int ifd, off_t offset, size_t count) |
|
|
502 | { |
|
|
503 | ssize_t res; |
|
|
504 | |
|
|
505 | if (!count) |
|
|
506 | return 0; |
|
|
507 | |
|
|
508 | #if HAVE_SENDFILE |
|
|
509 | # if __linux |
|
|
510 | res = sendfile (ofd, ifd, &offset, count); |
|
|
511 | |
|
|
512 | # elif __freebsd |
|
|
513 | /* |
|
|
514 | * Of course, the freebsd sendfile is a dire hack with no thoughts |
|
|
515 | * wasted on making it similar to other I/O functions. |
|
|
516 | */ |
|
|
517 | { |
|
|
518 | off_t sbytes; |
|
|
519 | res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0); |
|
|
520 | |
|
|
521 | if (res < 0 && sbytes) |
|
|
522 | /* maybe only on EAGAIN only: as usual, the manpage leaves you guessing */ |
|
|
523 | res = sbytes; |
|
|
524 | } |
|
|
525 | |
|
|
526 | # elif __hpux |
|
|
527 | res = sendfile (ofd, ifd, offset, count, 0, 0); |
|
|
528 | |
|
|
529 | # elif __solaris |
|
|
530 | { |
|
|
531 | struct sendfilevec vec; |
|
|
532 | size_t sbytes; |
|
|
533 | |
|
|
534 | vec.sfv_fd = ifd; |
|
|
535 | vec.sfv_flag = 0; |
|
|
536 | vec.sfv_off = offset; |
|
|
537 | vec.sfv_len = count; |
|
|
538 | |
|
|
539 | res = sendfilev (ofd, &vec, 1, &sbytes); |
|
|
540 | |
|
|
541 | if (res < 0 && sbytes) |
|
|
542 | res = sbytes; |
|
|
543 | } |
|
|
544 | |
|
|
545 | # endif |
|
|
546 | #else |
|
|
547 | res = -1; |
|
|
548 | errno = ENOSYS; |
|
|
549 | #endif |
|
|
550 | |
|
|
551 | if (res < 0 |
|
|
552 | && (errno == ENOSYS || errno == EINVAL || errno == ENOTSOCK |
|
|
553 | #if __solaris |
|
|
554 | || errno == EAFNOSUPPORT || errno == EPROTOTYPE |
|
|
555 | #endif |
|
|
556 | ) |
|
|
557 | ) |
|
|
558 | { |
|
|
559 | /* emulate sendfile. this is a major pain in the ass */ |
|
|
560 | char buf[4096]; |
|
|
561 | res = 0; |
|
|
562 | |
|
|
563 | while (count) |
|
|
564 | { |
996 | { |
565 | ssize_t cnt; |
997 | *wd = (aio_wd)(long)SvIVX (rv); |
566 | |
998 | *wdsv = SvREFCNT_inc_NN (rv); |
567 | cnt = pread (ifd, buf, count > 4096 ? 4096 : count, offset); |
999 | *ptr = "."; |
568 | |
1000 | return; /* path set to "." */ |
569 | if (cnt <= 0) |
|
|
570 | { |
|
|
571 | if (cnt && !res) res = -1; |
|
|
572 | break; |
|
|
573 | } |
|
|
574 | |
|
|
575 | cnt = write (ofd, buf, cnt); |
|
|
576 | |
|
|
577 | if (cnt <= 0) |
|
|
578 | { |
|
|
579 | if (cnt && !res) res = -1; |
|
|
580 | break; |
|
|
581 | } |
|
|
582 | |
|
|
583 | offset += cnt; |
|
|
584 | res += cnt; |
|
|
585 | count -= cnt; |
|
|
586 | } |
|
|
587 | } |
|
|
588 | |
|
|
589 | return res; |
|
|
590 | } |
|
|
591 | |
|
|
592 | /* read a full directory */ |
|
|
593 | static int |
|
|
594 | scandir_ (const char *path, void **namesp) |
|
|
595 | { |
|
|
596 | DIR *dirp = opendir (path); |
|
|
597 | union |
|
|
598 | { |
|
|
599 | struct dirent d; |
|
|
600 | char b [offsetof (struct dirent, d_name) + NAME_MAX + 1]; |
|
|
601 | } u; |
|
|
602 | struct dirent *entp; |
|
|
603 | char *name, *names; |
|
|
604 | int memlen = 4096; |
|
|
605 | int memofs = 0; |
|
|
606 | int res = 0; |
|
|
607 | int errorno; |
|
|
608 | |
|
|
609 | if (!dirp) |
|
|
610 | return -1; |
|
|
611 | |
|
|
612 | names = malloc (memlen); |
|
|
613 | |
|
|
614 | for (;;) |
|
|
615 | { |
|
|
616 | errno = 0, readdir_r (dirp, &u.d, &entp); |
|
|
617 | |
|
|
618 | if (!entp) |
|
|
619 | break; |
|
|
620 | |
|
|
621 | name = entp->d_name; |
|
|
622 | |
|
|
623 | if (name [0] != '.' || (name [1] && (name [1] != '.' || name [2]))) |
|
|
624 | { |
|
|
625 | int len = strlen (name) + 1; |
|
|
626 | |
|
|
627 | res++; |
|
|
628 | |
|
|
629 | while (memofs + len > memlen) |
|
|
630 | { |
|
|
631 | memlen *= 2; |
|
|
632 | names = realloc (names, memlen); |
|
|
633 | if (!names) |
|
|
634 | break; |
|
|
635 | } |
|
|
636 | |
|
|
637 | memcpy (names + memofs, name, len); |
|
|
638 | memofs += len; |
|
|
639 | } |
|
|
640 | } |
|
|
641 | |
|
|
642 | errorno = errno; |
|
|
643 | closedir (dirp); |
|
|
644 | |
|
|
645 | if (errorno) |
|
|
646 | { |
|
|
647 | free (names); |
|
|
648 | errno = errorno; |
|
|
649 | res = -1; |
|
|
650 | } |
|
|
651 | |
|
|
652 | *namesp = (void *)names; |
|
|
653 | return res; |
|
|
654 | } |
|
|
655 | |
|
|
656 | /*****************************************************************************/ |
|
|
657 | |
|
|
658 | static void * |
|
|
659 | aio_proc (void *thr_arg) |
|
|
660 | { |
|
|
661 | aio_req req; |
|
|
662 | int type; |
|
|
663 | |
|
|
664 | do |
|
|
665 | { |
|
|
666 | pthread_mutex_lock (&reqlock); |
|
|
667 | |
|
|
668 | for (;;) |
|
|
669 | { |
|
|
670 | req = reqs; |
|
|
671 | |
|
|
672 | if (reqs) |
|
|
673 | { |
|
|
674 | reqs = reqs->next; |
|
|
675 | if (!reqs) reqe = 0; |
|
|
676 | } |
|
|
677 | |
|
|
678 | if (req) |
|
|
679 | break; |
|
|
680 | |
|
|
681 | pthread_cond_wait (&reqwait, &reqlock); |
|
|
682 | } |
|
|
683 | |
|
|
684 | pthread_mutex_unlock (&reqlock); |
|
|
685 | |
|
|
686 | errno = 0; /* strictly unnecessary */ |
|
|
687 | |
|
|
688 | if (!req->cancelled) |
|
|
689 | switch (req->type) |
|
|
690 | { |
|
|
691 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
|
|
692 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
|
|
693 | |
|
|
694 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
|
|
695 | case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length); break; |
|
|
696 | |
|
|
697 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
|
|
698 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
|
|
699 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
|
|
700 | |
|
|
701 | case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; |
|
|
702 | case REQ_CLOSE: req->result = close (req->fd); break; |
|
|
703 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
|
|
704 | case REQ_RMDIR: req->result = rmdir (req->dataptr); break; |
|
|
705 | case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break; |
|
|
706 | case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break; |
|
|
707 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
|
|
708 | |
|
|
709 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
|
|
710 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
|
|
711 | case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break; |
|
|
712 | |
|
|
713 | case REQ_QUIT: |
|
|
714 | break; |
|
|
715 | |
|
|
716 | default: |
|
|
717 | req->result = ENOSYS; |
|
|
718 | break; |
|
|
719 | } |
|
|
720 | |
|
|
721 | req->errorno = errno; |
|
|
722 | |
|
|
723 | pthread_mutex_lock (&reslock); |
|
|
724 | |
|
|
725 | req->next = 0; |
|
|
726 | |
|
|
727 | if (rese) |
|
|
728 | { |
|
|
729 | rese->next = req; |
|
|
730 | rese = req; |
|
|
731 | } |
1001 | } |
732 | else |
1002 | else |
733 | { |
1003 | croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair"); |
734 | rese = ress = req; |
|
|
735 | |
|
|
736 | /* write a dummy byte to the pipe so fh becomes ready */ |
|
|
737 | write (respipe [1], &respipe, 1); |
|
|
738 | } |
|
|
739 | |
|
|
740 | pthread_mutex_unlock (&reslock); |
|
|
741 | } |
1004 | } |
742 | while (type != REQ_QUIT); |
|
|
743 | |
1005 | |
744 | return 0; |
1006 | *pathsv = newSVsv (path); |
|
|
1007 | *ptr = SvPVbyte_nolen (*pathsv); |
|
|
1008 | } |
|
|
1009 | |
|
|
1010 | static void ecb_noinline |
|
|
1011 | req_set_path1 (aio_req req, SV *path) |
|
|
1012 | { |
|
|
1013 | req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1); |
|
|
1014 | } |
|
|
1015 | |
|
|
1016 | static void ecb_noinline |
|
|
1017 | req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path) |
|
|
1018 | { |
|
|
1019 | SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path; |
|
|
1020 | |
|
|
1021 | switch (SvTYPE (rv)) |
|
|
1022 | { |
|
|
1023 | case SVt_PVIO: |
|
|
1024 | case SVt_PVLV: |
|
|
1025 | case SVt_PVGV: |
|
|
1026 | req->type = type_fh; |
|
|
1027 | req->sv1 = newSVsv (fh_or_path); |
|
|
1028 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1029 | break; |
|
|
1030 | |
|
|
1031 | default: |
|
|
1032 | req->type = type_path; |
|
|
1033 | req_set_path1 (req, fh_or_path); |
|
|
1034 | break; |
|
|
1035 | } |
745 | } |
1036 | } |
746 | |
1037 | |
747 | /*****************************************************************************/ |
1038 | /*****************************************************************************/ |
748 | |
1039 | |
749 | static void atfork_prepare (void) |
1040 | static void |
|
|
1041 | ts_set (struct timespec *ts, NV value) |
750 | { |
1042 | { |
751 | pthread_mutex_lock (&reqlock); |
1043 | ts->tv_sec = value; |
752 | pthread_mutex_lock (&reslock); |
1044 | ts->tv_nsec = (value - ts->tv_sec) * 1e9; |
753 | #if !HAVE_PREADWRITE |
|
|
754 | pthread_mutex_lock (&preadwritelock); |
|
|
755 | #endif |
|
|
756 | #if !HAVE_READDIR_R |
|
|
757 | pthread_mutex_lock (&readdirlock); |
|
|
758 | #endif |
|
|
759 | } |
1045 | } |
760 | |
1046 | |
761 | static void atfork_parent (void) |
1047 | static NV |
|
|
1048 | ts_get (const struct timespec *ts) |
762 | { |
1049 | { |
763 | #if !HAVE_READDIR_R |
1050 | return ts->tv_sec + ts->tv_nsec * 1e-9; |
764 | pthread_mutex_unlock (&readdirlock); |
|
|
765 | #endif |
|
|
766 | #if !HAVE_PREADWRITE |
|
|
767 | pthread_mutex_unlock (&preadwritelock); |
|
|
768 | #endif |
|
|
769 | pthread_mutex_unlock (&reslock); |
|
|
770 | pthread_mutex_unlock (&reqlock); |
|
|
771 | } |
1051 | } |
772 | |
1052 | |
773 | static void atfork_child (void) |
1053 | /*****************************************************************************/ |
774 | { |
|
|
775 | aio_req prv; |
|
|
776 | |
1054 | |
777 | started = 0; |
1055 | XS(boot_IO__AIO) ecb_cold; |
778 | |
1056 | |
779 | while (reqs) |
|
|
780 | { |
|
|
781 | prv = reqs; |
|
|
782 | reqs = prv->next; |
|
|
783 | req_free (prv); |
|
|
784 | } |
|
|
785 | |
|
|
786 | reqs = reqe = 0; |
|
|
787 | |
|
|
788 | while (ress) |
|
|
789 | { |
|
|
790 | prv = ress; |
|
|
791 | ress = prv->next; |
|
|
792 | req_free (prv); |
|
|
793 | } |
|
|
794 | |
|
|
795 | ress = rese = 0; |
|
|
796 | |
|
|
797 | close (respipe [0]); |
|
|
798 | close (respipe [1]); |
|
|
799 | create_pipe (); |
|
|
800 | |
|
|
801 | atfork_parent (); |
|
|
802 | } |
|
|
803 | |
|
|
804 | #define dREQ \ |
|
|
805 | aio_req req; \ |
|
|
806 | \ |
|
|
807 | if (SvOK (callback) && !SvROK (callback)) \ |
|
|
808 | croak ("callback must be undef or of reference type"); \ |
|
|
809 | \ |
|
|
810 | Newz (0, req, 1, aio_cb); \ |
|
|
811 | if (!req) \ |
|
|
812 | croak ("out of memory during aio_req allocation"); \ |
|
|
813 | \ |
|
|
814 | req->callback = newSVsv (callback) |
|
|
815 | |
|
|
816 | #define REQ_SEND \ |
|
|
817 | req_send (req); \ |
|
|
818 | \ |
|
|
819 | if (GIMME_V != G_VOID) \ |
|
|
820 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
|
|
821 | |
|
|
822 | MODULE = IO::AIO PACKAGE = IO::AIO |
1057 | MODULE = IO::AIO PACKAGE = IO::AIO |
823 | |
1058 | |
824 | PROTOTYPES: ENABLE |
1059 | PROTOTYPES: ENABLE |
825 | |
1060 | |
826 | BOOT: |
1061 | BOOT: |
827 | { |
1062 | { |
|
|
1063 | static const struct { |
|
|
1064 | const char *name; |
|
|
1065 | IV iv; |
|
|
1066 | } *civ, const_iv[] = { |
|
|
1067 | # define const_niv(name, value) { # name, (IV) value }, |
|
|
1068 | # define const_iv(name) { # name, (IV) name }, |
|
|
1069 | # define const_eio(name) { # name, (IV) EIO_ ## name }, |
|
|
1070 | |
|
|
1071 | /* you have to re-run ./gendef0 after adding/removing any constants here */ |
|
|
1072 | /* the first block can be undef if missing */ |
|
|
1073 | const_iv (ENOSYS) |
|
|
1074 | const_iv (EXDEV) |
|
|
1075 | const_iv (EBADR) |
|
|
1076 | |
|
|
1077 | /* for lseek */ |
|
|
1078 | const_iv (SEEK_DATA) |
|
|
1079 | const_iv (SEEK_HOLE) |
|
|
1080 | |
|
|
1081 | const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) |
|
|
1082 | const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) |
|
|
1083 | const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) |
|
|
1084 | const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) |
|
|
1085 | const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) |
|
|
1086 | const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) |
|
|
1087 | |
|
|
1088 | const_niv (MADV_NORMAL , POSIX_MADV_NORMAL) |
|
|
1089 | const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL) |
|
|
1090 | const_niv (MADV_RANDOM , POSIX_MADV_RANDOM) |
|
|
1091 | const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED) |
|
|
1092 | const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED) |
|
|
1093 | |
|
|
1094 | /* the second block will be 0 when missing */ |
|
|
1095 | const_iv (O_ACCMODE) |
|
|
1096 | |
|
|
1097 | const_iv (O_RDONLY) |
|
|
1098 | const_iv (O_WRONLY) |
|
|
1099 | const_iv (O_RDWR) |
|
|
1100 | const_iv (O_CREAT) |
|
|
1101 | const_iv (O_TRUNC) |
|
|
1102 | const_iv (O_EXCL) |
|
|
1103 | const_iv (O_APPEND) |
|
|
1104 | |
|
|
1105 | const_iv (O_ASYNC) |
|
|
1106 | const_iv (O_DIRECT) |
|
|
1107 | const_iv (O_NOATIME) |
|
|
1108 | |
|
|
1109 | const_iv (O_CLOEXEC) |
|
|
1110 | const_iv (O_NOCTTY) |
|
|
1111 | const_iv (O_NOFOLLOW) |
|
|
1112 | const_iv (O_NONBLOCK) |
|
|
1113 | const_iv (O_EXEC) |
|
|
1114 | const_iv (O_SEARCH) |
|
|
1115 | const_iv (O_DIRECTORY) |
|
|
1116 | const_iv (O_DSYNC) |
|
|
1117 | const_iv (O_RSYNC) |
|
|
1118 | const_iv (O_SYNC) |
|
|
1119 | const_iv (O_PATH) |
|
|
1120 | const_iv (O_TMPFILE) |
|
|
1121 | const_iv (O_TTY_INIT) |
|
|
1122 | |
|
|
1123 | const_iv (S_IFIFO) |
|
|
1124 | const_iv (S_IFCHR) |
|
|
1125 | const_iv (S_IFBLK) |
|
|
1126 | const_iv (S_IFLNK) |
|
|
1127 | const_iv (S_IFREG) |
|
|
1128 | const_iv (S_IFDIR) |
|
|
1129 | const_iv (S_IFWHT) |
|
|
1130 | const_iv (S_IFSOCK) |
|
|
1131 | const_iv (S_IFMT) |
|
|
1132 | |
|
|
1133 | const_iv (ST_RDONLY) |
|
|
1134 | const_iv (ST_NOSUID) |
|
|
1135 | const_iv (ST_NODEV) |
|
|
1136 | const_iv (ST_NOEXEC) |
|
|
1137 | const_iv (ST_SYNCHRONOUS) |
|
|
1138 | const_iv (ST_MANDLOCK) |
|
|
1139 | const_iv (ST_WRITE) |
|
|
1140 | const_iv (ST_APPEND) |
|
|
1141 | const_iv (ST_IMMUTABLE) |
|
|
1142 | const_iv (ST_NOATIME) |
|
|
1143 | const_iv (ST_NODIRATIME) |
|
|
1144 | const_iv (ST_RELATIME) |
|
|
1145 | |
|
|
1146 | const_iv (PROT_NONE) |
|
|
1147 | const_iv (PROT_EXEC) |
|
|
1148 | const_iv (PROT_READ) |
|
|
1149 | const_iv (PROT_WRITE) |
|
|
1150 | |
|
|
1151 | const_iv (MAP_PRIVATE) |
|
|
1152 | const_iv (MAP_SHARED) |
|
|
1153 | const_iv (MAP_FIXED) |
|
|
1154 | const_iv (MAP_ANONYMOUS) |
|
|
1155 | |
|
|
1156 | /* linuxish */ |
|
|
1157 | const_iv (MAP_LOCKED) |
|
|
1158 | const_iv (MAP_NORESERVE) |
|
|
1159 | const_iv (MAP_POPULATE) |
|
|
1160 | const_iv (MAP_NONBLOCK) |
|
|
1161 | const_iv (MAP_GROWSDOWN) |
|
|
1162 | const_iv (MAP_32BIT) |
|
|
1163 | const_iv (MAP_HUGETLB) |
|
|
1164 | const_iv (MAP_STACK) |
|
|
1165 | |
|
|
1166 | const_iv (MREMAP_MAYMOVE) |
|
|
1167 | const_iv (MREMAP_FIXED) |
|
|
1168 | |
|
|
1169 | const_iv (F_DUPFD_CLOEXEC) |
|
|
1170 | |
|
|
1171 | const_iv (MSG_CMSG_CLOEXEC) |
|
|
1172 | const_iv (SOCK_CLOEXEC) |
|
|
1173 | |
|
|
1174 | const_iv (F_OFD_GETLK) |
|
|
1175 | const_iv (F_OFD_SETLK) |
|
|
1176 | const_iv (F_OFD_GETLKW) |
|
|
1177 | |
|
|
1178 | const_iv (FIFREEZE) |
|
|
1179 | const_iv (FITHAW) |
|
|
1180 | const_iv (FITRIM) |
|
|
1181 | const_iv (FICLONE) |
|
|
1182 | const_iv (FICLONERANGE) |
|
|
1183 | const_iv (FIDEDUPERANGE) |
|
|
1184 | |
|
|
1185 | const_iv (FS_IOC_GETFLAGS) |
|
|
1186 | const_iv (FS_IOC_SETFLAGS) |
|
|
1187 | const_iv (FS_IOC_GETVERSION) |
|
|
1188 | const_iv (FS_IOC_SETVERSION) |
|
|
1189 | const_iv (FS_IOC_FIEMAP) |
|
|
1190 | const_iv (FS_IOC_FSGETXATTR) |
|
|
1191 | const_iv (FS_IOC_FSSETXATTR) |
|
|
1192 | const_iv (FS_IOC_SET_ENCRYPTION_POLICY) |
|
|
1193 | const_iv (FS_IOC_GET_ENCRYPTION_PWSALT) |
|
|
1194 | const_iv (FS_IOC_GET_ENCRYPTION_POLICY) |
|
|
1195 | |
|
|
1196 | const_iv (FS_KEY_DESCRIPTOR_SIZE) |
|
|
1197 | |
|
|
1198 | const_iv (FS_SECRM_FL) |
|
|
1199 | const_iv (FS_UNRM_FL) |
|
|
1200 | const_iv (FS_COMPR_FL) |
|
|
1201 | const_iv (FS_SYNC_FL) |
|
|
1202 | const_iv (FS_IMMUTABLE_FL) |
|
|
1203 | const_iv (FS_APPEND_FL) |
|
|
1204 | const_iv (FS_NODUMP_FL) |
|
|
1205 | const_iv (FS_NOATIME_FL) |
|
|
1206 | const_iv (FS_DIRTY_FL) |
|
|
1207 | const_iv (FS_COMPRBLK_FL) |
|
|
1208 | const_iv (FS_NOCOMP_FL) |
|
|
1209 | const_iv (FS_ENCRYPT_FL) |
|
|
1210 | const_iv (FS_BTREE_FL) |
|
|
1211 | const_iv (FS_INDEX_FL) |
|
|
1212 | const_iv (FS_JOURNAL_DATA_FL) |
|
|
1213 | const_iv (FS_NOTAIL_FL) |
|
|
1214 | const_iv (FS_DIRSYNC_FL) |
|
|
1215 | const_iv (FS_TOPDIR_FL) |
|
|
1216 | const_iv (FS_FL_USER_MODIFIABLE) |
|
|
1217 | |
|
|
1218 | const_iv (FS_XFLAG_REALTIME) |
|
|
1219 | const_iv (FS_XFLAG_PREALLOC) |
|
|
1220 | const_iv (FS_XFLAG_IMMUTABLE) |
|
|
1221 | const_iv (FS_XFLAG_APPEND) |
|
|
1222 | const_iv (FS_XFLAG_SYNC) |
|
|
1223 | const_iv (FS_XFLAG_NOATIME) |
|
|
1224 | const_iv (FS_XFLAG_NODUMP) |
|
|
1225 | const_iv (FS_XFLAG_RTINHERIT) |
|
|
1226 | const_iv (FS_XFLAG_PROJINHERIT) |
|
|
1227 | const_iv (FS_XFLAG_NOSYMLINKS) |
|
|
1228 | const_iv (FS_XFLAG_EXTSIZE) |
|
|
1229 | const_iv (FS_XFLAG_EXTSZINHERIT) |
|
|
1230 | const_iv (FS_XFLAG_NODEFRAG) |
|
|
1231 | const_iv (FS_XFLAG_FILESTREAM) |
|
|
1232 | const_iv (FS_XFLAG_DAX) |
|
|
1233 | const_iv (FS_XFLAG_HASATTR) |
|
|
1234 | |
|
|
1235 | const_iv (FIEMAP_FLAG_SYNC) |
|
|
1236 | const_iv (FIEMAP_FLAG_XATTR) |
|
|
1237 | const_iv (FIEMAP_FLAGS_COMPAT) |
|
|
1238 | const_iv (FIEMAP_EXTENT_LAST) |
|
|
1239 | const_iv (FIEMAP_EXTENT_UNKNOWN) |
|
|
1240 | const_iv (FIEMAP_EXTENT_DELALLOC) |
|
|
1241 | const_iv (FIEMAP_EXTENT_ENCODED) |
|
|
1242 | const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED) |
|
|
1243 | const_iv (FIEMAP_EXTENT_NOT_ALIGNED) |
|
|
1244 | const_iv (FIEMAP_EXTENT_DATA_INLINE) |
|
|
1245 | const_iv (FIEMAP_EXTENT_DATA_TAIL) |
|
|
1246 | const_iv (FIEMAP_EXTENT_UNWRITTEN) |
|
|
1247 | const_iv (FIEMAP_EXTENT_MERGED) |
|
|
1248 | const_iv (FIEMAP_EXTENT_SHARED) |
|
|
1249 | |
|
|
1250 | const_iv (SPLICE_F_MOVE) |
|
|
1251 | const_iv (SPLICE_F_NONBLOCK) |
|
|
1252 | const_iv (SPLICE_F_MORE) |
|
|
1253 | const_iv (SPLICE_F_GIFT) |
|
|
1254 | |
|
|
1255 | const_iv (EFD_CLOEXEC) |
|
|
1256 | const_iv (EFD_NONBLOCK) |
|
|
1257 | const_iv (EFD_SEMAPHORE) |
|
|
1258 | |
|
|
1259 | const_iv (CLOCK_REALTIME) |
|
|
1260 | const_iv (CLOCK_MONOTONIC) |
|
|
1261 | const_iv (CLOCK_BOOTTIME) |
|
|
1262 | const_iv (CLOCK_REALTIME_ALARM) |
|
|
1263 | const_iv (CLOCK_BOOTTIME_ALARM) |
|
|
1264 | |
|
|
1265 | const_iv (TFD_NONBLOCK) |
|
|
1266 | const_iv (TFD_CLOEXEC) |
|
|
1267 | |
|
|
1268 | const_iv (TFD_TIMER_ABSTIME) |
|
|
1269 | const_iv (TFD_TIMER_CANCEL_ON_SET) |
|
|
1270 | |
|
|
1271 | /* these are libeio constants, and are independent of gendef0 */ |
|
|
1272 | const_eio (SEEK_SET) |
|
|
1273 | const_eio (SEEK_CUR) |
|
|
1274 | const_eio (SEEK_END) |
|
|
1275 | |
|
|
1276 | const_eio (MCL_FUTURE) |
|
|
1277 | const_eio (MCL_CURRENT) |
|
|
1278 | |
|
|
1279 | const_eio (MS_ASYNC) |
|
|
1280 | const_eio (MS_INVALIDATE) |
|
|
1281 | const_eio (MS_SYNC) |
|
|
1282 | |
|
|
1283 | const_eio (MT_MODIFY) |
|
|
1284 | |
|
|
1285 | const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) |
|
|
1286 | const_eio (SYNC_FILE_RANGE_WRITE) |
|
|
1287 | const_eio (SYNC_FILE_RANGE_WAIT_AFTER) |
|
|
1288 | |
|
|
1289 | const_eio (FALLOC_FL_KEEP_SIZE) |
|
|
1290 | const_eio (FALLOC_FL_PUNCH_HOLE) |
|
|
1291 | const_eio (FALLOC_FL_COLLAPSE_RANGE) |
|
|
1292 | const_eio (FALLOC_FL_ZERO_RANGE) |
|
|
1293 | const_eio (FALLOC_FL_INSERT_RANGE) |
|
|
1294 | const_eio (FALLOC_FL_UNSHARE_RANGE) |
|
|
1295 | |
|
|
1296 | const_eio (RENAME_NOREPLACE) |
|
|
1297 | const_eio (RENAME_EXCHANGE) |
|
|
1298 | const_eio (RENAME_WHITEOUT) |
|
|
1299 | |
|
|
1300 | const_eio (READDIR_DENTS) |
|
|
1301 | const_eio (READDIR_DIRS_FIRST) |
|
|
1302 | const_eio (READDIR_STAT_ORDER) |
|
|
1303 | const_eio (READDIR_FOUND_UNKNOWN) |
|
|
1304 | |
|
|
1305 | const_eio (DT_UNKNOWN) |
|
|
1306 | const_eio (DT_FIFO) |
|
|
1307 | const_eio (DT_CHR) |
|
|
1308 | const_eio (DT_DIR) |
|
|
1309 | const_eio (DT_BLK) |
|
|
1310 | const_eio (DT_REG) |
|
|
1311 | const_eio (DT_LNK) |
|
|
1312 | const_eio (DT_SOCK) |
|
|
1313 | const_eio (DT_WHT) |
|
|
1314 | }; |
|
|
1315 | |
828 | HV *stash = gv_stashpv ("IO::AIO", 1); |
1316 | aio_stash = gv_stashpv ("IO::AIO" , 1); |
829 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
1317 | aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); |
830 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
1318 | aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); |
831 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
1319 | aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1); |
832 | |
1320 | |
833 | create_pipe (); |
1321 | for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--) |
834 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
1322 | newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv)); |
835 | } |
|
|
836 | |
1323 | |
|
|
1324 | newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); |
|
|
1325 | |
|
|
1326 | /* allocate dummy pipe fd for aio_close */ |
|
|
1327 | { |
|
|
1328 | int pipefd [2]; |
|
|
1329 | |
|
|
1330 | if ( |
|
|
1331 | #ifdef _WIN32 |
|
|
1332 | _pipe (pipefd, 1, _O_BINARY) < 0 |
|
|
1333 | #else |
|
|
1334 | pipe (pipefd) < 0 |
|
|
1335 | || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0 |
|
|
1336 | #endif |
|
|
1337 | || close (pipefd [1]) < 0 |
|
|
1338 | ) |
|
|
1339 | croak ("IO::AIO: unable to create dummy pipe for aio_close"); |
|
|
1340 | |
|
|
1341 | close_fd = pipefd [0]; |
|
|
1342 | } |
|
|
1343 | |
|
|
1344 | reinit (); |
|
|
1345 | } |
|
|
1346 | |
837 | void |
1347 | void |
838 | min_parallel (nthreads) |
1348 | reinit () |
839 | int nthreads |
1349 | PROTOTYPE: |
|
|
1350 | |
|
|
1351 | void |
|
|
1352 | max_poll_reqs (unsigned int nreqs) |
840 | PROTOTYPE: $ |
1353 | PROTOTYPE: $ |
|
|
1354 | CODE: |
|
|
1355 | eio_set_max_poll_reqs (nreqs); |
841 | |
1356 | |
842 | void |
1357 | void |
843 | max_parallel (nthreads) |
1358 | max_poll_time (double nseconds) |
844 | int nthreads |
|
|
845 | PROTOTYPE: $ |
1359 | PROTOTYPE: $ |
846 | |
|
|
847 | int |
|
|
848 | max_outstanding (nreqs) |
|
|
849 | int nreqs |
|
|
850 | PROTOTYPE: $ |
|
|
851 | CODE: |
1360 | CODE: |
852 | RETVAL = max_outstanding; |
1361 | eio_set_max_poll_time (nseconds); |
|
|
1362 | |
|
|
1363 | void |
|
|
1364 | min_parallel (unsigned int nthreads) |
|
|
1365 | PROTOTYPE: $ |
|
|
1366 | CODE: |
|
|
1367 | eio_set_min_parallel (nthreads); |
|
|
1368 | |
|
|
1369 | void |
|
|
1370 | max_parallel (unsigned int nthreads) |
|
|
1371 | PROTOTYPE: $ |
|
|
1372 | CODE: |
|
|
1373 | eio_set_max_parallel (nthreads); |
|
|
1374 | |
|
|
1375 | void |
|
|
1376 | max_idle (unsigned int nthreads) |
|
|
1377 | PROTOTYPE: $ |
|
|
1378 | CODE: |
|
|
1379 | eio_set_max_idle (nthreads); |
|
|
1380 | |
|
|
1381 | void |
|
|
1382 | idle_timeout (unsigned int seconds) |
|
|
1383 | PROTOTYPE: $ |
|
|
1384 | CODE: |
|
|
1385 | eio_set_idle_timeout (seconds); |
|
|
1386 | |
|
|
1387 | void |
|
|
1388 | max_outstanding (unsigned int maxreqs) |
|
|
1389 | PROTOTYPE: $ |
|
|
1390 | CODE: |
853 | max_outstanding = nreqs; |
1391 | max_outstanding = maxreqs; |
854 | |
1392 | |
855 | void |
1393 | void |
856 | aio_open (pathname,flags,mode,callback=&PL_sv_undef) |
1394 | aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef) |
857 | SV * pathname |
|
|
858 | int flags |
|
|
859 | int mode |
|
|
860 | SV * callback |
|
|
861 | PROTOTYPE: $$$;$ |
|
|
862 | PPCODE: |
1395 | PPCODE: |
863 | { |
1396 | { |
864 | dREQ; |
1397 | dREQ; |
865 | |
1398 | |
866 | req->type = REQ_OPEN; |
1399 | req->type = EIO_WD_OPEN; |
867 | req->data = newSVsv (pathname); |
1400 | req_set_path1 (req, pathname); |
868 | req->dataptr = SvPVbyte_nolen (req->data); |
|
|
869 | req->fd = flags; |
|
|
870 | req->mode = mode; |
|
|
871 | |
1401 | |
872 | REQ_SEND; |
1402 | REQ_SEND; |
873 | } |
1403 | } |
874 | |
1404 | |
875 | void |
1405 | void |
|
|
1406 | aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef) |
|
|
1407 | PPCODE: |
|
|
1408 | { |
|
|
1409 | dREQ; |
|
|
1410 | |
|
|
1411 | req->type = EIO_OPEN; |
|
|
1412 | req_set_path1 (req, pathname); |
|
|
1413 | req->int1 = flags; |
|
|
1414 | req->int2 = mode; |
|
|
1415 | |
|
|
1416 | REQ_SEND; |
|
|
1417 | } |
|
|
1418 | |
|
|
1419 | void |
876 | aio_close (fh,callback=&PL_sv_undef) |
1420 | aio_fsync (SV *fh, SV *callback = &PL_sv_undef) |
877 | SV * fh |
|
|
878 | SV * callback |
|
|
879 | PROTOTYPE: $;$ |
|
|
880 | ALIAS: |
1421 | ALIAS: |
881 | aio_close = REQ_CLOSE |
|
|
882 | aio_fsync = REQ_FSYNC |
1422 | aio_fsync = EIO_FSYNC |
883 | aio_fdatasync = REQ_FDATASYNC |
1423 | aio_fdatasync = EIO_FDATASYNC |
|
|
1424 | aio_syncfs = EIO_SYNCFS |
884 | PPCODE: |
1425 | PPCODE: |
885 | { |
1426 | { |
|
|
1427 | int fd = s_fileno_croak (fh, 0); |
886 | dREQ; |
1428 | dREQ; |
887 | |
1429 | |
888 | req->type = ix; |
1430 | req->type = ix; |
889 | req->fh = newSVsv (fh); |
1431 | req->sv1 = newSVsv (fh); |
890 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1432 | req->int1 = fd; |
891 | |
1433 | |
892 | REQ_SEND (req); |
1434 | REQ_SEND; |
893 | } |
1435 | } |
894 | |
1436 | |
895 | void |
1437 | void |
|
|
1438 | aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef) |
|
|
1439 | PPCODE: |
|
|
1440 | { |
|
|
1441 | int fd = s_fileno_croak (fh, 0); |
|
|
1442 | dREQ; |
|
|
1443 | |
|
|
1444 | req->type = EIO_SYNC_FILE_RANGE; |
|
|
1445 | req->sv1 = newSVsv (fh); |
|
|
1446 | req->int1 = fd; |
|
|
1447 | req->offs = offset; |
|
|
1448 | req->size = nbytes; |
|
|
1449 | req->int2 = flags; |
|
|
1450 | |
|
|
1451 | REQ_SEND; |
|
|
1452 | } |
|
|
1453 | |
|
|
1454 | void |
|
|
1455 | aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef) |
|
|
1456 | PPCODE: |
|
|
1457 | { |
|
|
1458 | int fd = s_fileno_croak (fh, 0); |
|
|
1459 | dREQ; |
|
|
1460 | |
|
|
1461 | req->type = EIO_FALLOCATE; |
|
|
1462 | req->sv1 = newSVsv (fh); |
|
|
1463 | req->int1 = fd; |
|
|
1464 | req->int2 = mode; |
|
|
1465 | req->offs = offset; |
|
|
1466 | req->size = len; |
|
|
1467 | |
|
|
1468 | REQ_SEND; |
|
|
1469 | } |
|
|
1470 | |
|
|
1471 | void |
|
|
1472 | aio_close (SV *fh, SV *callback = &PL_sv_undef) |
|
|
1473 | PPCODE: |
|
|
1474 | { |
|
|
1475 | int fd = s_fileno_croak (fh, 0); |
|
|
1476 | dREQ; |
|
|
1477 | |
|
|
1478 | req->type = EIO_DUP2; |
|
|
1479 | req->int1 = close_fd; |
|
|
1480 | req->sv2 = newSVsv (fh); |
|
|
1481 | req->int2 = fd; |
|
|
1482 | |
|
|
1483 | REQ_SEND; |
|
|
1484 | } |
|
|
1485 | |
|
|
1486 | void |
|
|
1487 | aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef) |
|
|
1488 | PPCODE: |
|
|
1489 | { |
|
|
1490 | int fd = s_fileno_croak (fh, 0); |
|
|
1491 | dREQ; |
|
|
1492 | |
|
|
1493 | req->type = EIO_SEEK; |
|
|
1494 | req->sv1 = newSVsv (fh); |
|
|
1495 | req->int1 = fd; |
|
|
1496 | req->offs = SvVAL64 (offset); |
|
|
1497 | req->int2 = whence; |
|
|
1498 | |
|
|
1499 | REQ_SEND; |
|
|
1500 | } |
|
|
1501 | |
|
|
1502 | void |
896 | aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
1503 | aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef) |
897 | SV * fh |
|
|
898 | UV offset |
|
|
899 | UV length |
|
|
900 | SV * data |
|
|
901 | UV dataoffset |
|
|
902 | SV * callback |
|
|
903 | ALIAS: |
1504 | ALIAS: |
904 | aio_read = REQ_READ |
1505 | aio_read = EIO_READ |
905 | aio_write = REQ_WRITE |
1506 | aio_write = EIO_WRITE |
906 | PROTOTYPE: $$$$$;$ |
|
|
907 | PPCODE: |
1507 | PPCODE: |
908 | { |
1508 | { |
909 | aio_req req; |
|
|
910 | STRLEN svlen; |
1509 | STRLEN svlen; |
|
|
1510 | int fd = s_fileno_croak (fh, ix == EIO_WRITE); |
911 | char *svptr = SvPVbyte (data, svlen); |
1511 | char *svptr = SvPVbyte (data, svlen); |
912 | |
1512 | UV len = SvUV (length); |
913 | SvUPGRADE (data, SVt_PV); |
|
|
914 | SvPOK_on (data); |
|
|
915 | |
1513 | |
916 | if (dataoffset < 0) |
1514 | if (dataoffset < 0) |
917 | dataoffset += svlen; |
1515 | dataoffset += svlen; |
918 | |
1516 | |
919 | if (dataoffset < 0 || dataoffset > svlen) |
1517 | if (dataoffset < 0 || dataoffset > svlen) |
920 | croak ("data offset outside of string"); |
1518 | croak ("dataoffset outside of data scalar"); |
921 | |
1519 | |
922 | if (ix == REQ_WRITE) |
1520 | if (ix == EIO_WRITE) |
923 | { |
1521 | { |
924 | /* write: check length and adjust. */ |
1522 | /* write: check length and adjust. */ |
925 | if (length < 0 || length + dataoffset > svlen) |
1523 | if (!SvOK (length) || len + dataoffset > svlen) |
926 | length = svlen - dataoffset; |
1524 | len = svlen - dataoffset; |
927 | } |
1525 | } |
928 | else |
1526 | else |
929 | { |
1527 | { |
930 | /* read: grow scalar as necessary */ |
1528 | /* read: check type and grow scalar as necessary */ |
|
|
1529 | if (!SvPOK (data) || SvLEN (data) >= SvCUR (data)) |
931 | svptr = SvGROW (data, length + dataoffset); |
1530 | svptr = sv_grow (data, len + dataoffset + 1); |
|
|
1531 | else if (SvCUR (data) < len + dataoffset) |
|
|
1532 | croak ("length + dataoffset outside of scalar, and cannot grow"); |
932 | } |
1533 | } |
933 | |
|
|
934 | if (length < 0) |
|
|
935 | croak ("length must not be negative"); |
|
|
936 | |
1534 | |
937 | { |
1535 | { |
938 | dREQ; |
1536 | dREQ; |
939 | |
1537 | |
940 | req->type = ix; |
1538 | req->type = ix; |
941 | req->fh = newSVsv (fh); |
1539 | req->sv1 = newSVsv (fh); |
942 | req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
1540 | req->int1 = fd; |
943 | : IoOFP (sv_2io (fh))); |
1541 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
944 | req->offset = offset; |
1542 | req->size = len; |
945 | req->length = length; |
|
|
946 | req->data = SvREFCNT_inc (data); |
1543 | req->sv2 = SvREFCNT_inc (data); |
947 | req->dataptr = (char *)svptr + dataoffset; |
1544 | req->ptr2 = (char *)svptr + dataoffset; |
|
|
1545 | req->stroffset = dataoffset; |
948 | |
1546 | |
949 | if (!SvREADONLY (data)) |
1547 | if (!SvREADONLY (data)) |
950 | { |
1548 | { |
951 | SvREADONLY_on (data); |
1549 | SvREADONLY_on (data); |
952 | req->data2ptr = (void *)data; |
1550 | req->flags |= FLAG_SV2_RO_OFF; |
953 | } |
1551 | } |
954 | |
1552 | |
955 | REQ_SEND; |
1553 | REQ_SEND; |
956 | } |
1554 | } |
957 | } |
1555 | } |
958 | |
1556 | |
959 | void |
1557 | void |
960 | aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) |
1558 | aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef) |
961 | SV * out_fh |
1559 | ALIAS: |
962 | SV * in_fh |
1560 | aio_ioctl = EIO_IOCTL |
963 | UV in_offset |
1561 | aio_fcntl = EIO_FCNTL |
964 | UV length |
|
|
965 | SV * callback |
|
|
966 | PROTOTYPE: $$$$;$ |
|
|
967 | PPCODE: |
1562 | PPCODE: |
968 | { |
1563 | { |
969 | dREQ; |
1564 | int fd = s_fileno_croak (fh, 0); |
|
|
1565 | char *svptr; |
970 | |
1566 | |
971 | req->type = REQ_SENDFILE; |
1567 | if (SvPOK (arg) || !SvNIOK (arg)) |
972 | req->fh = newSVsv (out_fh); |
|
|
973 | req->fd = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
|
|
974 | req->fh2 = newSVsv (in_fh); |
|
|
975 | req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
|
|
976 | req->offset = in_offset; |
|
|
977 | req->length = length; |
|
|
978 | |
|
|
979 | REQ_SEND; |
|
|
980 | } |
|
|
981 | |
|
|
982 | void |
|
|
983 | aio_readahead (fh,offset,length,callback=&PL_sv_undef) |
|
|
984 | SV * fh |
|
|
985 | UV offset |
|
|
986 | IV length |
|
|
987 | SV * callback |
|
|
988 | PROTOTYPE: $$$;$ |
|
|
989 | PPCODE: |
|
|
990 | { |
|
|
991 | dREQ; |
|
|
992 | |
|
|
993 | req->type = REQ_READAHEAD; |
|
|
994 | req->fh = newSVsv (fh); |
|
|
995 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
|
|
996 | req->offset = offset; |
|
|
997 | req->length = length; |
|
|
998 | |
|
|
999 | REQ_SEND; |
|
|
1000 | } |
|
|
1001 | |
|
|
1002 | void |
|
|
1003 | aio_stat (fh_or_path,callback=&PL_sv_undef) |
|
|
1004 | SV * fh_or_path |
|
|
1005 | SV * callback |
|
|
1006 | ALIAS: |
|
|
1007 | aio_stat = REQ_STAT |
|
|
1008 | aio_lstat = REQ_LSTAT |
|
|
1009 | PPCODE: |
|
|
1010 | { |
|
|
1011 | dREQ; |
|
|
1012 | |
|
|
1013 | New (0, req->statdata, 1, Stat_t); |
|
|
1014 | if (!req->statdata) |
|
|
1015 | { |
1568 | { |
1016 | req_free (req); |
1569 | STRLEN svlen; |
1017 | croak ("out of memory during aio_req->statdata allocation"); |
1570 | /* perl uses IOCPARM_LEN for fcntl, so we do, too */ |
1018 | } |
1571 | #ifdef IOCPARM_LEN |
|
|
1572 | STRLEN need = IOCPARM_LEN (request); |
|
|
1573 | #else |
|
|
1574 | STRLEN need = 256; |
|
|
1575 | #endif |
1019 | |
1576 | |
1020 | if (SvPOK (fh_or_path)) |
1577 | if (svlen < need) |
1021 | { |
1578 | svptr = SvGROW (arg, need); |
1022 | req->type = ix; |
|
|
1023 | req->data = newSVsv (fh_or_path); |
|
|
1024 | req->dataptr = SvPVbyte_nolen (req->data); |
|
|
1025 | } |
1579 | } |
1026 | else |
1580 | else |
|
|
1581 | svptr = (char *)SvIV (arg); |
|
|
1582 | |
1027 | { |
1583 | { |
|
|
1584 | dREQ; |
|
|
1585 | |
1028 | req->type = REQ_FSTAT; |
1586 | req->type = ix; |
1029 | req->fh = newSVsv (fh_or_path); |
1587 | req->sv1 = newSVsv (fh); |
1030 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1588 | req->int1 = fd; |
|
|
1589 | req->int2 = (long)request; |
|
|
1590 | req->sv2 = SvREFCNT_inc (arg); |
|
|
1591 | req->ptr2 = svptr; |
|
|
1592 | |
|
|
1593 | REQ_SEND; |
1031 | } |
1594 | } |
|
|
1595 | } |
|
|
1596 | |
|
|
1597 | void |
|
|
1598 | aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef) |
|
|
1599 | ALIAS: |
|
|
1600 | aio_readlink = EIO_READLINK |
|
|
1601 | aio_realpath = EIO_REALPATH |
|
|
1602 | PPCODE: |
|
|
1603 | { |
|
|
1604 | dREQ; |
|
|
1605 | |
|
|
1606 | req->type = ix; |
|
|
1607 | req_set_path1 (req, pathname); |
1032 | |
1608 | |
1033 | REQ_SEND; |
1609 | REQ_SEND; |
1034 | } |
1610 | } |
1035 | |
1611 | |
1036 | void |
1612 | void |
1037 | aio_unlink (pathname,callback=&PL_sv_undef) |
1613 | aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef) |
1038 | SV * pathname |
1614 | PPCODE: |
1039 | SV * callback |
1615 | { |
|
|
1616 | int ifd = s_fileno_croak (in_fh , 0); |
|
|
1617 | int ofd = s_fileno_croak (out_fh, 1); |
|
|
1618 | dREQ; |
|
|
1619 | |
|
|
1620 | req->type = EIO_SENDFILE; |
|
|
1621 | req->sv1 = newSVsv (out_fh); |
|
|
1622 | req->int1 = ofd; |
|
|
1623 | req->sv2 = newSVsv (in_fh); |
|
|
1624 | req->int2 = ifd; |
|
|
1625 | req->offs = in_offset; |
|
|
1626 | req->size = length; |
|
|
1627 | |
|
|
1628 | REQ_SEND; |
|
|
1629 | } |
|
|
1630 | |
|
|
1631 | void |
|
|
1632 | aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef) |
|
|
1633 | PPCODE: |
|
|
1634 | { |
|
|
1635 | int fd = s_fileno_croak (fh, 0); |
|
|
1636 | dREQ; |
|
|
1637 | |
|
|
1638 | req->type = EIO_READAHEAD; |
|
|
1639 | req->sv1 = newSVsv (fh); |
|
|
1640 | req->int1 = fd; |
|
|
1641 | req->offs = offset; |
|
|
1642 | req->size = length; |
|
|
1643 | |
|
|
1644 | REQ_SEND; |
|
|
1645 | } |
|
|
1646 | |
|
|
1647 | void |
|
|
1648 | aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef) |
1040 | ALIAS: |
1649 | ALIAS: |
|
|
1650 | aio_stat = EIO_STAT |
|
|
1651 | aio_lstat = EIO_LSTAT |
|
|
1652 | aio_statvfs = EIO_STATVFS |
|
|
1653 | PPCODE: |
|
|
1654 | { |
|
|
1655 | dREQ; |
|
|
1656 | |
|
|
1657 | req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path); |
|
|
1658 | |
|
|
1659 | REQ_SEND; |
|
|
1660 | } |
|
|
1661 | |
|
|
1662 | void |
|
|
1663 | st_xtime () |
|
|
1664 | ALIAS: |
|
|
1665 | st_atime = 0x01 |
|
|
1666 | st_mtime = 0x02 |
|
|
1667 | st_ctime = 0x04 |
|
|
1668 | st_btime = 0x08 |
|
|
1669 | st_xtime = 0x0f |
|
|
1670 | PPCODE: |
|
|
1671 | EXTEND (SP, 4); |
|
|
1672 | if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC)); |
|
|
1673 | if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC)); |
|
|
1674 | if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC)); |
|
|
1675 | if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC)); |
|
|
1676 | |
|
|
1677 | void |
|
|
1678 | st_xtimensec () |
|
|
1679 | ALIAS: |
|
|
1680 | st_atimensec = 0x01 |
|
|
1681 | st_mtimensec = 0x02 |
|
|
1682 | st_ctimensec = 0x04 |
|
|
1683 | st_btimensec = 0x08 |
|
|
1684 | st_xtimensec = 0x0f |
|
|
1685 | st_btimesec = 0x10 |
|
|
1686 | st_gen = 0x20 |
|
|
1687 | PPCODE: |
|
|
1688 | EXTEND (SP, 4); |
|
|
1689 | if (ix & 0x01) PUSHs (newSViv (ATIMENSEC)); |
|
|
1690 | if (ix & 0x02) PUSHs (newSViv (MTIMENSEC)); |
|
|
1691 | if (ix & 0x04) PUSHs (newSViv (CTIMENSEC)); |
|
|
1692 | if (ix & 0x08) PUSHs (newSViv (BTIMENSEC)); |
|
|
1693 | if (ix & 0x10) PUSHs (newSVuv (BTIMESEC)); |
|
|
1694 | if (ix & 0x20) PUSHs (newSVuv (ST_GEN)); |
|
|
1695 | |
|
|
1696 | UV |
|
|
1697 | major (UV dev) |
|
|
1698 | ALIAS: |
|
|
1699 | minor = 1 |
|
|
1700 | CODE: |
|
|
1701 | RETVAL = ix ? minor (dev) : major (dev); |
|
|
1702 | OUTPUT: |
|
|
1703 | RETVAL |
|
|
1704 | |
|
|
1705 | UV |
|
|
1706 | makedev (UV maj, UV min) |
|
|
1707 | CODE: |
|
|
1708 | RETVAL = makedev (maj, min); |
|
|
1709 | OUTPUT: |
|
|
1710 | RETVAL |
|
|
1711 | |
|
|
1712 | void |
|
|
1713 | aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef) |
|
|
1714 | PPCODE: |
|
|
1715 | { |
|
|
1716 | dREQ; |
|
|
1717 | |
|
|
1718 | req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; |
|
|
1719 | req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; |
|
|
1720 | req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path); |
|
|
1721 | |
|
|
1722 | REQ_SEND; |
|
|
1723 | } |
|
|
1724 | |
|
|
1725 | void |
|
|
1726 | aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef) |
|
|
1727 | PPCODE: |
|
|
1728 | { |
|
|
1729 | dREQ; |
|
|
1730 | |
|
|
1731 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
|
|
1732 | req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path); |
|
|
1733 | |
|
|
1734 | REQ_SEND; |
|
|
1735 | } |
|
|
1736 | |
|
|
1737 | void |
|
|
1738 | aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef) |
|
|
1739 | PPCODE: |
|
|
1740 | { |
|
|
1741 | dREQ; |
|
|
1742 | |
|
|
1743 | req->int2 = mode; |
|
|
1744 | req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path); |
|
|
1745 | |
|
|
1746 | REQ_SEND; |
|
|
1747 | } |
|
|
1748 | |
|
|
1749 | void |
|
|
1750 | aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef) |
|
|
1751 | PPCODE: |
|
|
1752 | { |
|
|
1753 | dREQ; |
|
|
1754 | |
|
|
1755 | req->int2 = SvOK (uid) ? SvIV (uid) : -1; |
|
|
1756 | req->int3 = SvOK (gid) ? SvIV (gid) : -1; |
|
|
1757 | req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path); |
|
|
1758 | |
|
|
1759 | REQ_SEND; |
|
|
1760 | } |
|
|
1761 | |
|
|
1762 | void |
|
|
1763 | aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef) |
|
|
1764 | PPCODE: |
|
|
1765 | { |
|
|
1766 | dREQ; |
|
|
1767 | |
|
|
1768 | req->type = EIO_READDIR; |
|
|
1769 | req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; |
|
|
1770 | |
|
|
1771 | if (flags & EIO_READDIR_DENTS) |
|
|
1772 | req->int1 |= EIO_READDIR_CUSTOM2; |
|
|
1773 | |
|
|
1774 | req_set_path1 (req, pathname); |
|
|
1775 | |
|
|
1776 | REQ_SEND; |
|
|
1777 | } |
|
|
1778 | |
|
|
1779 | void |
|
|
1780 | aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef) |
|
|
1781 | PPCODE: |
|
|
1782 | { |
|
|
1783 | dREQ; |
|
|
1784 | |
|
|
1785 | req->type = EIO_MKDIR; |
|
|
1786 | req->int2 = mode; |
|
|
1787 | req_set_path1 (req, pathname); |
|
|
1788 | |
|
|
1789 | REQ_SEND; |
|
|
1790 | } |
|
|
1791 | |
|
|
1792 | void |
|
|
1793 | aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef) |
|
|
1794 | ALIAS: |
1041 | aio_unlink = REQ_UNLINK |
1795 | aio_unlink = EIO_UNLINK |
1042 | aio_rmdir = REQ_RMDIR |
1796 | aio_rmdir = EIO_RMDIR |
1043 | aio_readdir = REQ_READDIR |
1797 | aio_readdir = EIO_READDIR |
1044 | PPCODE: |
1798 | PPCODE: |
1045 | { |
1799 | { |
1046 | dREQ; |
1800 | dREQ; |
1047 | |
1801 | |
1048 | req->type = ix; |
1802 | req->type = ix; |
1049 | req->data = newSVsv (pathname); |
1803 | req_set_path1 (req, pathname); |
1050 | req->dataptr = SvPVbyte_nolen (req->data); |
1804 | |
1051 | |
|
|
1052 | REQ_SEND; |
1805 | REQ_SEND; |
1053 | } |
1806 | } |
1054 | |
1807 | |
1055 | void |
1808 | void |
1056 | aio_link (oldpath,newpath,callback=&PL_sv_undef) |
1809 | aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef) |
1057 | SV * oldpath |
|
|
1058 | SV * newpath |
|
|
1059 | SV * callback |
|
|
1060 | ALIAS: |
1810 | ALIAS: |
1061 | aio_link = REQ_LINK |
1811 | aio_link = EIO_LINK |
1062 | aio_symlink = REQ_SYMLINK |
1812 | aio_symlink = EIO_SYMLINK |
1063 | aio_rename = REQ_RENAME |
1813 | aio_rename = EIO_RENAME |
1064 | PPCODE: |
1814 | PPCODE: |
1065 | { |
1815 | { |
|
|
1816 | eio_wd wd2 = 0; |
1066 | dREQ; |
1817 | dREQ; |
1067 | |
1818 | |
1068 | req->type = ix; |
1819 | req->type = ix; |
1069 | req->fh = newSVsv (oldpath); |
1820 | req_set_path1 (req, oldpath); |
1070 | req->data2ptr = SvPVbyte_nolen (req->fh); |
1821 | req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); |
1071 | req->data = newSVsv (newpath); |
1822 | req->int3 = (long)wd2; |
1072 | req->dataptr = SvPVbyte_nolen (req->data); |
|
|
1073 | |
1823 | |
1074 | REQ_SEND; |
1824 | REQ_SEND; |
1075 | } |
1825 | } |
1076 | |
1826 | |
1077 | void |
1827 | void |
1078 | aio_group (callback=&PL_sv_undef) |
1828 | aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef) |
1079 | SV * callback |
1829 | PPCODE: |
1080 | PROTOTYPE: ;& |
1830 | { |
|
|
1831 | eio_wd wd2 = 0; |
|
|
1832 | dREQ; |
|
|
1833 | |
|
|
1834 | req->type = EIO_RENAME; |
|
|
1835 | req_set_path1 (req, oldpath); |
|
|
1836 | req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); |
|
|
1837 | req->int2 = flags; |
|
|
1838 | req->int3 = (long)wd2; |
|
|
1839 | |
|
|
1840 | REQ_SEND; |
|
|
1841 | } |
|
|
1842 | |
|
|
1843 | void |
|
|
1844 | aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef) |
|
|
1845 | PPCODE: |
|
|
1846 | { |
|
|
1847 | dREQ; |
|
|
1848 | |
|
|
1849 | req->type = EIO_MKNOD; |
|
|
1850 | req->int2 = (mode_t)mode; |
|
|
1851 | req->offs = dev; |
|
|
1852 | req_set_path1 (req, pathname); |
|
|
1853 | |
|
|
1854 | REQ_SEND; |
|
|
1855 | } |
|
|
1856 | |
|
|
1857 | void |
|
|
1858 | aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef) |
|
|
1859 | ALIAS: |
|
|
1860 | aio_mtouch = EIO_MTOUCH |
|
|
1861 | aio_msync = EIO_MSYNC |
1081 | PPCODE: |
1862 | PPCODE: |
1082 | { |
1863 | { |
|
|
1864 | STRLEN svlen; |
|
|
1865 | char *svptr = SvPVbyte (data, svlen); |
|
|
1866 | UV len = SvUV (length); |
|
|
1867 | |
|
|
1868 | if (flags < 0) |
|
|
1869 | flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0; |
|
|
1870 | |
|
|
1871 | if (offset < 0) |
|
|
1872 | offset += svlen; |
|
|
1873 | |
|
|
1874 | if (offset < 0 || offset > svlen) |
|
|
1875 | croak ("offset outside of scalar"); |
|
|
1876 | |
|
|
1877 | if (!SvOK (length) || len + offset > svlen) |
|
|
1878 | len = svlen - offset; |
|
|
1879 | |
|
|
1880 | { |
|
|
1881 | dREQ; |
|
|
1882 | |
|
|
1883 | req->type = ix; |
|
|
1884 | req->sv2 = SvREFCNT_inc (data); |
|
|
1885 | req->ptr2 = (char *)svptr + offset; |
|
|
1886 | req->size = len; |
|
|
1887 | req->int1 = flags; |
|
|
1888 | |
|
|
1889 | REQ_SEND; |
|
|
1890 | } |
|
|
1891 | } |
|
|
1892 | |
|
|
1893 | void |
|
|
1894 | aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef) |
|
|
1895 | PPCODE: |
|
|
1896 | { |
|
|
1897 | STRLEN svlen; |
|
|
1898 | char *svptr = SvPVbyte (data, svlen); |
|
|
1899 | UV len = SvUV (length); |
|
|
1900 | |
|
|
1901 | if (offset < 0) |
|
|
1902 | offset += svlen; |
|
|
1903 | |
|
|
1904 | if (offset < 0 || offset > svlen) |
|
|
1905 | croak ("offset outside of scalar"); |
|
|
1906 | |
|
|
1907 | if (!SvOK (length) || len + offset > svlen) |
|
|
1908 | len = svlen - offset; |
|
|
1909 | |
|
|
1910 | { |
|
|
1911 | dREQ; |
|
|
1912 | |
|
|
1913 | req->type = EIO_MLOCK; |
|
|
1914 | req->sv2 = SvREFCNT_inc (data); |
|
|
1915 | req->ptr2 = (char *)svptr + offset; |
|
|
1916 | req->size = len; |
|
|
1917 | |
|
|
1918 | REQ_SEND; |
|
|
1919 | } |
|
|
1920 | } |
|
|
1921 | |
|
|
1922 | void |
|
|
1923 | aio_mlockall (IV flags, SV *callback = &PL_sv_undef) |
|
|
1924 | PPCODE: |
|
|
1925 | { |
|
|
1926 | dREQ; |
|
|
1927 | |
|
|
1928 | req->type = EIO_MLOCKALL; |
|
|
1929 | req->int1 = flags; |
|
|
1930 | |
|
|
1931 | REQ_SEND; |
|
|
1932 | } |
|
|
1933 | |
|
|
1934 | void |
|
|
1935 | aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef) |
|
|
1936 | PPCODE: |
|
|
1937 | { |
|
|
1938 | int fd = s_fileno_croak (fh, 0); |
1083 | dREQ; |
1939 | dREQ; |
|
|
1940 | |
|
|
1941 | req->type = EIO_CUSTOM; |
|
|
1942 | req->sv1 = newSVsv (fh); |
|
|
1943 | req->int1 = fd; |
|
|
1944 | |
|
|
1945 | req->feed = fiemap; |
|
|
1946 | #if HAVE_FIEMAP |
|
|
1947 | /* keep our fingers crossed that the next two types are 64 bit */ |
|
|
1948 | req->offs = start; |
|
|
1949 | req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL; |
|
|
1950 | req->int2 = flags; |
|
|
1951 | req->int3 = SvOK (count) ? SvIV (count) : -1; |
|
|
1952 | #endif |
|
|
1953 | |
|
|
1954 | REQ_SEND; |
|
|
1955 | } |
|
|
1956 | |
|
|
1957 | void |
|
|
1958 | aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef) |
|
|
1959 | PPCODE: |
|
|
1960 | { |
|
|
1961 | char *svptr = 0; |
|
|
1962 | |
|
|
1963 | sv_clear_foreign (data); |
|
|
1964 | |
|
|
1965 | if (length) /* known length, directly read into scalar */ |
|
|
1966 | { |
|
|
1967 | if (!SvPOK (data) || SvLEN (data) >= SvCUR (data)) |
|
|
1968 | svptr = sv_grow (data, length + 1); |
|
|
1969 | else if (SvCUR (data) < length) |
|
|
1970 | croak ("length outside of scalar, and cannot grow"); |
|
|
1971 | else |
|
|
1972 | svptr = SvPVbyte_nolen (data); |
|
|
1973 | } |
|
|
1974 | |
|
|
1975 | { |
|
|
1976 | dREQ; |
|
|
1977 | |
|
|
1978 | req->type = EIO_SLURP; |
|
|
1979 | req_set_path1 (req, pathname); |
|
|
1980 | req->offs = offset; |
|
|
1981 | req->size = length; |
|
|
1982 | req->sv2 = SvREFCNT_inc (data); |
|
|
1983 | req->ptr2 = svptr; |
|
|
1984 | |
|
|
1985 | if (!SvREADONLY (data)) |
|
|
1986 | { |
|
|
1987 | SvREADONLY_on (data); |
|
|
1988 | req->flags |= FLAG_SV2_RO_OFF; |
|
|
1989 | } |
|
|
1990 | |
|
|
1991 | REQ_SEND; |
|
|
1992 | } |
|
|
1993 | } |
|
|
1994 | |
|
|
1995 | void |
|
|
1996 | aio_busy (double delay, SV *callback = &PL_sv_undef) |
|
|
1997 | PPCODE: |
|
|
1998 | { |
|
|
1999 | dREQ; |
|
|
2000 | |
|
|
2001 | req->type = EIO_BUSY; |
|
|
2002 | req->nv1 = delay < 0. ? 0. : delay; |
|
|
2003 | |
|
|
2004 | REQ_SEND; |
|
|
2005 | } |
|
|
2006 | |
|
|
2007 | void |
|
|
2008 | aio_group (SV *callback = &PL_sv_undef) |
|
|
2009 | PPCODE: |
|
|
2010 | { |
|
|
2011 | dREQ; |
|
|
2012 | |
1084 | req->type = REQ_GROUP; |
2013 | req->type = EIO_GROUP; |
|
|
2014 | |
|
|
2015 | PUTBACK; |
|
|
2016 | req_submit (req); |
|
|
2017 | SPAGAIN; |
|
|
2018 | |
1085 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
2019 | XPUSHs (req_sv (req, aio_grp_stash)); |
1086 | } |
2020 | } |
|
|
2021 | |
|
|
2022 | void |
|
|
2023 | aio_nop (SV *callback = &PL_sv_undef) |
|
|
2024 | ALIAS: |
|
|
2025 | aio_nop = EIO_NOP |
|
|
2026 | aio_sync = EIO_SYNC |
|
|
2027 | PPCODE: |
|
|
2028 | { |
|
|
2029 | dREQ; |
|
|
2030 | |
|
|
2031 | req->type = ix; |
|
|
2032 | |
|
|
2033 | REQ_SEND; |
|
|
2034 | } |
|
|
2035 | |
|
|
2036 | int |
|
|
2037 | aioreq_pri (int pri = NO_INIT) |
|
|
2038 | CODE: |
|
|
2039 | RETVAL = next_pri; |
|
|
2040 | if (items > 0) |
|
|
2041 | { |
|
|
2042 | if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; |
|
|
2043 | if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX; |
|
|
2044 | next_pri = pri; |
|
|
2045 | } |
|
|
2046 | OUTPUT: |
|
|
2047 | RETVAL |
|
|
2048 | |
|
|
2049 | void |
|
|
2050 | aioreq_nice (int nice = 0) |
|
|
2051 | CODE: |
|
|
2052 | nice = next_pri - nice; |
|
|
2053 | if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN; |
|
|
2054 | if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; |
|
|
2055 | next_pri = nice; |
1087 | |
2056 | |
1088 | void |
2057 | void |
1089 | flush () |
2058 | flush () |
1090 | PROTOTYPE: |
|
|
1091 | CODE: |
2059 | CODE: |
1092 | while (nreqs) |
2060 | while (eio_nreqs ()) |
1093 | { |
2061 | { |
1094 | poll_wait (); |
2062 | poll_wait (); |
1095 | poll_cb (); |
2063 | poll_cb (); |
1096 | } |
2064 | } |
1097 | |
2065 | |
1098 | void |
2066 | int |
1099 | poll() |
2067 | poll () |
1100 | PROTOTYPE: |
|
|
1101 | CODE: |
2068 | CODE: |
1102 | if (nreqs) |
|
|
1103 | { |
|
|
1104 | poll_wait (); |
2069 | poll_wait (); |
1105 | poll_cb (); |
2070 | RETVAL = poll_cb (); |
1106 | } |
|
|
1107 | |
|
|
1108 | int |
|
|
1109 | poll_fileno() |
|
|
1110 | PROTOTYPE: |
|
|
1111 | CODE: |
|
|
1112 | RETVAL = respipe [0]; |
|
|
1113 | OUTPUT: |
2071 | OUTPUT: |
1114 | RETVAL |
2072 | RETVAL |
1115 | |
2073 | |
1116 | int |
2074 | int |
|
|
2075 | poll_fileno () |
|
|
2076 | CODE: |
|
|
2077 | RETVAL = s_epipe_fd (&respipe); |
|
|
2078 | OUTPUT: |
|
|
2079 | RETVAL |
|
|
2080 | |
|
|
2081 | int |
1117 | poll_cb(...) |
2082 | poll_cb (...) |
1118 | PROTOTYPE: |
2083 | PROTOTYPE: |
1119 | CODE: |
2084 | CODE: |
1120 | RETVAL = poll_cb (); |
2085 | RETVAL = poll_cb (); |
1121 | OUTPUT: |
2086 | OUTPUT: |
1122 | RETVAL |
2087 | RETVAL |
1123 | |
2088 | |
1124 | void |
2089 | void |
1125 | poll_wait() |
2090 | poll_wait () |
1126 | PROTOTYPE: |
|
|
1127 | CODE: |
2091 | CODE: |
1128 | if (nreqs) |
|
|
1129 | poll_wait (); |
2092 | poll_wait (); |
1130 | |
2093 | |
1131 | int |
2094 | int |
1132 | nreqs() |
2095 | nreqs () |
1133 | PROTOTYPE: |
|
|
1134 | CODE: |
2096 | CODE: |
1135 | RETVAL = nreqs; |
2097 | RETVAL = eio_nreqs (); |
1136 | OUTPUT: |
2098 | OUTPUT: |
1137 | RETVAL |
2099 | RETVAL |
1138 | |
2100 | |
|
|
2101 | int |
|
|
2102 | nready () |
|
|
2103 | CODE: |
|
|
2104 | RETVAL = eio_nready (); |
|
|
2105 | OUTPUT: |
|
|
2106 | RETVAL |
|
|
2107 | |
|
|
2108 | int |
|
|
2109 | npending () |
|
|
2110 | CODE: |
|
|
2111 | RETVAL = eio_npending (); |
|
|
2112 | OUTPUT: |
|
|
2113 | RETVAL |
|
|
2114 | |
|
|
2115 | int |
|
|
2116 | nthreads () |
|
|
2117 | CODE: |
|
|
2118 | RETVAL = eio_nthreads (); |
|
|
2119 | OUTPUT: |
|
|
2120 | RETVAL |
|
|
2121 | |
|
|
2122 | int |
|
|
2123 | fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) |
|
|
2124 | CODE: |
|
|
2125 | RETVAL = posix_fadvise (fh, offset, length, advice); |
|
|
2126 | OUTPUT: |
|
|
2127 | RETVAL |
|
|
2128 | |
|
|
2129 | IV |
|
|
2130 | sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) |
|
|
2131 | CODE: |
|
|
2132 | RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); |
|
|
2133 | OUTPUT: |
|
|
2134 | RETVAL |
|
|
2135 | |
|
|
2136 | void |
|
|
2137 | mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0) |
|
|
2138 | PPCODE: |
|
|
2139 | sv_clear_foreign (scalar); |
|
|
2140 | { |
|
|
2141 | int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; |
|
|
2142 | void *addr = (void *)mmap (0, length, prot, flags, fd, offset); |
|
|
2143 | if (addr == (void *)-1) |
|
|
2144 | XSRETURN_NO; |
|
|
2145 | |
|
|
2146 | sv_set_foreign (scalar, &mmap_vtbl, addr, length); |
|
|
2147 | |
|
|
2148 | if (!(prot & PROT_WRITE)) |
|
|
2149 | SvREADONLY_on (scalar); |
|
|
2150 | |
|
|
2151 | XSRETURN_YES; |
|
|
2152 | } |
|
|
2153 | |
|
|
2154 | void |
|
|
2155 | munmap (SV *scalar) |
|
|
2156 | CODE: |
|
|
2157 | sv_clear_foreign (scalar); |
|
|
2158 | |
|
|
2159 | SV * |
|
|
2160 | mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0) |
|
|
2161 | CODE: |
|
|
2162 | { |
|
|
2163 | MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl); |
|
|
2164 | void *new; |
|
|
2165 | |
|
|
2166 | if (!mg || SvPVX (scalar) != mg->mg_ptr) |
|
|
2167 | croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified"); |
|
|
2168 | |
|
|
2169 | new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address); |
|
|
2170 | |
|
|
2171 | RETVAL = &PL_sv_no; |
|
|
2172 | |
|
|
2173 | if (new != (void *)-1) |
|
|
2174 | { |
|
|
2175 | RETVAL = new == (void *)mg->mg_ptr |
|
|
2176 | ? newSVpvn ("0 but true", 10) |
|
|
2177 | : &PL_sv_yes; |
|
|
2178 | |
|
|
2179 | mg->mg_ptr = (char *)new; |
|
|
2180 | mg->mg_obj = (SV *)new_length; |
|
|
2181 | |
|
|
2182 | SvPVX (scalar) = mg->mg_ptr; |
|
|
2183 | SvCUR_set (scalar, new_length); |
|
|
2184 | } |
|
|
2185 | } |
|
|
2186 | OUTPUT: |
|
|
2187 | RETVAL |
|
|
2188 | |
|
|
2189 | int |
|
|
2190 | madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) |
|
|
2191 | ALIAS: |
|
|
2192 | mprotect = 1 |
|
|
2193 | CODE: |
|
|
2194 | { |
|
|
2195 | STRLEN svlen; |
|
|
2196 | void *addr = SvPVbyte (scalar, svlen); |
|
|
2197 | STRLEN len = SvUV (length); |
|
|
2198 | |
|
|
2199 | if (offset < 0) |
|
|
2200 | offset += svlen; |
|
|
2201 | |
|
|
2202 | if (offset < 0 || offset > svlen) |
|
|
2203 | croak ("offset outside of scalar"); |
|
|
2204 | |
|
|
2205 | if (!SvOK (length) || len + offset > svlen) |
|
|
2206 | len = svlen - offset; |
|
|
2207 | |
|
|
2208 | addr = (void *)(((intptr_t)addr) + offset); |
|
|
2209 | eio_page_align (&addr, &len); |
|
|
2210 | |
|
|
2211 | switch (ix) |
|
|
2212 | { |
|
|
2213 | case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break; |
|
|
2214 | case 1: RETVAL = mprotect (addr, len, advice_or_prot); break; |
|
|
2215 | } |
|
|
2216 | } |
|
|
2217 | OUTPUT: |
|
|
2218 | RETVAL |
|
|
2219 | |
|
|
2220 | int |
|
|
2221 | munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef) |
|
|
2222 | CODE: |
|
|
2223 | { |
|
|
2224 | STRLEN svlen; |
|
|
2225 | void *addr = SvPVbyte (scalar, svlen); |
|
|
2226 | size_t len = SvUV (length); |
|
|
2227 | |
|
|
2228 | if (offset < 0) |
|
|
2229 | offset += svlen; |
|
|
2230 | |
|
|
2231 | if (offset < 0 || offset > svlen) |
|
|
2232 | croak ("offset outside of scalar"); |
|
|
2233 | |
|
|
2234 | if (!SvOK (length) || len + offset > svlen) |
|
|
2235 | len = svlen - offset; |
|
|
2236 | |
|
|
2237 | addr = (void *)(((intptr_t)addr) + offset); |
|
|
2238 | eio_page_align (&addr, &len); |
|
|
2239 | #if _POSIX_MEMLOCK_RANGE |
|
|
2240 | RETVAL = munlock (addr, len); |
|
|
2241 | #else |
|
|
2242 | RETVAL = EIO_ENOSYS (); |
|
|
2243 | #endif |
|
|
2244 | } |
|
|
2245 | OUTPUT: |
|
|
2246 | RETVAL |
|
|
2247 | |
|
|
2248 | int |
|
|
2249 | munlockall () |
|
|
2250 | CODE: |
|
|
2251 | #if _POSIX_MEMLOCK |
|
|
2252 | munlockall (); |
|
|
2253 | #else |
|
|
2254 | RETVAL = EIO_ENOSYS (); |
|
|
2255 | #endif |
|
|
2256 | OUTPUT: |
|
|
2257 | RETVAL |
|
|
2258 | |
|
|
2259 | int |
|
|
2260 | splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags) |
|
|
2261 | CODE: |
|
|
2262 | { |
|
|
2263 | #if HAVE_LINUX_SPLICE |
|
|
2264 | loff_t off_in_, off_out_; |
|
|
2265 | RETVAL = splice ( |
|
|
2266 | rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0, |
|
|
2267 | wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0, |
|
|
2268 | length, flags |
|
|
2269 | ); |
|
|
2270 | #else |
|
|
2271 | RETVAL = EIO_ENOSYS (); |
|
|
2272 | #endif |
|
|
2273 | } |
|
|
2274 | OUTPUT: |
|
|
2275 | RETVAL |
|
|
2276 | |
|
|
2277 | int |
|
|
2278 | tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags) |
|
|
2279 | CODE: |
|
|
2280 | #if HAVE_LINUX_SPLICE |
|
|
2281 | RETVAL = tee (rfh, wfh, length, flags); |
|
|
2282 | #else |
|
|
2283 | RETVAL = EIO_ENOSYS (); |
|
|
2284 | #endif |
|
|
2285 | OUTPUT: |
|
|
2286 | RETVAL |
|
|
2287 | |
|
|
2288 | int |
|
|
2289 | pipesize (aio_rfd rfh, int new_size = -1) |
|
|
2290 | PROTOTYPE: $;$ |
|
|
2291 | CODE: |
|
|
2292 | #if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ) |
|
|
2293 | if (new_size >= 0) |
|
|
2294 | RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size); |
|
|
2295 | else |
|
|
2296 | RETVAL = fcntl (rfh, F_GETPIPE_SZ); |
|
|
2297 | #else |
|
|
2298 | errno = ENOSYS; |
|
|
2299 | RETVAL = -1; |
|
|
2300 | #endif |
|
|
2301 | OUTPUT: |
|
|
2302 | RETVAL |
|
|
2303 | |
|
|
2304 | void |
|
|
2305 | pipe2 (int flags = 0) |
|
|
2306 | PROTOTYPE: ;$ |
|
|
2307 | PPCODE: |
|
|
2308 | { |
|
|
2309 | int fd[2]; |
|
|
2310 | int res; |
|
|
2311 | |
|
|
2312 | if (flags) |
|
|
2313 | #if HAVE_PIPE2 |
|
|
2314 | res = pipe2 (fd, flags); |
|
|
2315 | #else |
|
|
2316 | res = (errno = ENOSYS, -1); |
|
|
2317 | #endif |
|
|
2318 | else |
|
|
2319 | res = pipe (fd); |
|
|
2320 | |
|
|
2321 | if (!res) |
|
|
2322 | { |
|
|
2323 | EXTEND (SP, 2); |
|
|
2324 | PUSHs (newmortalFH (fd[0], O_RDONLY)); |
|
|
2325 | PUSHs (newmortalFH (fd[1], O_WRONLY)); |
|
|
2326 | } |
|
|
2327 | } |
|
|
2328 | |
|
|
2329 | void |
|
|
2330 | eventfd (unsigned int initval = 0, int flags = 0) |
|
|
2331 | PPCODE: |
|
|
2332 | { |
|
|
2333 | int fd; |
|
|
2334 | #if HAVE_EVENTFD |
|
|
2335 | fd = eventfd (initval, flags); |
|
|
2336 | #else |
|
|
2337 | fd = (errno = ENOSYS, -1); |
|
|
2338 | #endif |
|
|
2339 | |
|
|
2340 | XPUSHs (newmortalFH (fd, O_RDWR)); |
|
|
2341 | } |
|
|
2342 | |
|
|
2343 | void |
|
|
2344 | timerfd_create (int clockid, int flags = 0) |
|
|
2345 | PPCODE: |
|
|
2346 | { |
|
|
2347 | int fd; |
|
|
2348 | #if HAVE_TIMERFD |
|
|
2349 | fd = timerfd_create (clockid, flags); |
|
|
2350 | #else |
|
|
2351 | fd = (errno = ENOSYS, -1); |
|
|
2352 | #endif |
|
|
2353 | |
|
|
2354 | XPUSHs (newmortalFH (fd, O_RDWR)); |
|
|
2355 | } |
|
|
2356 | |
|
|
2357 | void |
|
|
2358 | timerfd_settime (SV *fh, int flags, NV interval, NV value) |
|
|
2359 | PPCODE: |
|
|
2360 | { |
|
|
2361 | int fd = s_fileno_croak (fh, 0); |
|
|
2362 | #if HAVE_TIMERFD |
|
|
2363 | int res; |
|
|
2364 | struct itimerspec its, ots; |
|
|
2365 | |
|
|
2366 | ts_set (&its.it_interval, interval); |
|
|
2367 | ts_set (&its.it_value , value); |
|
|
2368 | res = timerfd_settime (fd, flags, &its, &ots); |
|
|
2369 | |
|
|
2370 | if (!res) |
|
|
2371 | { |
|
|
2372 | EXTEND (SP, 2); |
|
|
2373 | PUSHs (newSVnv (ts_get (&ots.it_interval))); |
|
|
2374 | PUSHs (newSVnv (ts_get (&ots.it_value))); |
|
|
2375 | } |
|
|
2376 | #else |
|
|
2377 | errno = ENOSYS; |
|
|
2378 | #endif |
|
|
2379 | } |
|
|
2380 | |
|
|
2381 | void |
|
|
2382 | timerfd_gettime (SV *fh) |
|
|
2383 | PPCODE: |
|
|
2384 | { |
|
|
2385 | int fd = s_fileno_croak (fh, 0); |
|
|
2386 | #if HAVE_TIMERFD |
|
|
2387 | int res; |
|
|
2388 | struct itimerspec ots; |
|
|
2389 | res = timerfd_gettime (fd, &ots); |
|
|
2390 | |
|
|
2391 | if (!res) |
|
|
2392 | { |
|
|
2393 | EXTEND (SP, 2); |
|
|
2394 | PUSHs (newSVnv (ts_get (&ots.it_interval))); |
|
|
2395 | PUSHs (newSVnv (ts_get (&ots.it_value))); |
|
|
2396 | } |
|
|
2397 | #else |
|
|
2398 | errno = ENOSYS; |
|
|
2399 | #endif |
|
|
2400 | } |
|
|
2401 | |
|
|
2402 | UV |
|
|
2403 | get_fdlimit () |
|
|
2404 | CODE: |
|
|
2405 | #if HAVE_RLIMITS |
|
|
2406 | struct rlimit rl; |
|
|
2407 | if (0 == getrlimit (RLIMIT_NOFILE, &rl)) |
|
|
2408 | XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur); |
|
|
2409 | #endif |
|
|
2410 | XSRETURN_UNDEF; |
|
|
2411 | OUTPUT: |
|
|
2412 | RETVAL |
|
|
2413 | |
|
|
2414 | void |
|
|
2415 | min_fdlimit (UV limit = 0x7fffffffU) |
|
|
2416 | CODE: |
|
|
2417 | { |
|
|
2418 | #if HAVE_RLIMITS |
|
|
2419 | struct rlimit rl; |
|
|
2420 | rlim_t orig_rlim_max; |
|
|
2421 | UV bit; |
|
|
2422 | |
|
|
2423 | if (0 != getrlimit (RLIMIT_NOFILE, &rl)) |
|
|
2424 | goto fail; |
|
|
2425 | |
|
|
2426 | if (rl.rlim_cur == RLIM_INFINITY) |
|
|
2427 | XSRETURN_YES; |
|
|
2428 | |
|
|
2429 | orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max; |
|
|
2430 | |
|
|
2431 | if (rl.rlim_cur < limit) |
|
|
2432 | { |
|
|
2433 | rl.rlim_cur = limit; |
|
|
2434 | |
|
|
2435 | if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY) |
|
|
2436 | rl.rlim_max = rl.rlim_cur; |
|
|
2437 | } |
|
|
2438 | |
|
|
2439 | if (0 == setrlimit (RLIMIT_NOFILE, &rl)) |
|
|
2440 | XSRETURN_YES; |
|
|
2441 | |
|
|
2442 | if (errno == EPERM) |
|
|
2443 | { |
|
|
2444 | /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */ |
|
|
2445 | /* our limit overflows a system-wide limit */ |
|
|
2446 | /* try an adaptive algorithm, but do not lower the hardlimit */ |
|
|
2447 | rl.rlim_max = 0; |
|
|
2448 | for (bit = 0x40000000U; bit; bit >>= 1) |
|
|
2449 | { |
|
|
2450 | rl.rlim_max |= bit; |
|
|
2451 | rl.rlim_cur = rl.rlim_max; |
|
|
2452 | |
|
|
2453 | /* nevr decrease the hard limit */ |
|
|
2454 | if (rl.rlim_max < orig_rlim_max) |
|
|
2455 | break; |
|
|
2456 | |
|
|
2457 | if (0 != setrlimit (RLIMIT_NOFILE, &rl)) |
|
|
2458 | rl.rlim_max &= ~bit; /* too high, remove bit again */ |
|
|
2459 | } |
|
|
2460 | |
|
|
2461 | /* now, raise the soft limit to the max permitted */ |
|
|
2462 | if (0 == getrlimit (RLIMIT_NOFILE, &rl)) |
|
|
2463 | { |
|
|
2464 | rl.rlim_cur = rl.rlim_max; |
|
|
2465 | if (0 == setrlimit (RLIMIT_NOFILE, &rl)) |
|
|
2466 | errno = EPERM; |
|
|
2467 | } |
|
|
2468 | } |
|
|
2469 | #endif |
|
|
2470 | fail: |
|
|
2471 | XSRETURN_UNDEF; |
|
|
2472 | } |
|
|
2473 | |
|
|
2474 | void _on_next_submit (SV *cb) |
|
|
2475 | CODE: |
|
|
2476 | SvREFCNT_dec (on_next_submit); |
|
|
2477 | on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
|
|
2478 | |
|
|
2479 | PROTOTYPES: DISABLE |
|
|
2480 | |
|
|
2481 | MODULE = IO::AIO PACKAGE = IO::AIO::WD |
|
|
2482 | |
|
|
2483 | BOOT: |
|
|
2484 | { |
|
|
2485 | newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD )); |
|
|
2486 | newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD)); |
|
|
2487 | } |
|
|
2488 | |
|
|
2489 | void |
|
|
2490 | DESTROY (SV *self) |
|
|
2491 | CODE: |
|
|
2492 | { |
|
|
2493 | aio_wd wd = SvAIO_WD (self); |
|
|
2494 | #if HAVE_AT |
|
|
2495 | { |
|
|
2496 | SV *callback = &PL_sv_undef; |
|
|
2497 | dREQ; /* clobbers next_pri :/ */ |
|
|
2498 | next_pri = req->pri; /* restore next_pri */ |
|
|
2499 | req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */ |
|
|
2500 | req->type = EIO_WD_CLOSE; |
|
|
2501 | req->wd = wd; |
|
|
2502 | REQ_SEND; |
|
|
2503 | } |
|
|
2504 | #else |
|
|
2505 | eio_wd_close_sync (wd); |
|
|
2506 | #endif |
|
|
2507 | } |
|
|
2508 | |
1139 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
2509 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1140 | |
2510 | |
1141 | void |
2511 | void |
1142 | cancel (aio_req_ornot req) |
2512 | cancel (aio_req_ornot req) |
1143 | PROTOTYPE: |
|
|
1144 | CODE: |
2513 | CODE: |
1145 | req->cancelled = 1; |
2514 | eio_cancel (req); |
1146 | |
2515 | |
|
|
2516 | void |
|
|
2517 | cb (aio_req_ornot req, SV *callback = NO_INIT) |
|
|
2518 | PPCODE: |
|
|
2519 | { |
|
|
2520 | if (GIMME_V != G_VOID) |
|
|
2521 | XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); |
|
|
2522 | |
|
|
2523 | if (items > 1) |
|
|
2524 | { |
|
|
2525 | SV *cb_cv = get_cb (callback); |
|
|
2526 | |
|
|
2527 | SvREFCNT_dec (req->callback); |
|
|
2528 | req->callback = SvREFCNT_inc (cb_cv); |
|
|
2529 | } |
|
|
2530 | } |
|
|
2531 | |
|
|
2532 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
|
|
2533 | |
|
|
2534 | void |
|
|
2535 | add (aio_req grp, ...) |
|
|
2536 | PPCODE: |
|
|
2537 | { |
|
|
2538 | int i; |
|
|
2539 | |
|
|
2540 | if (grp->int1 == 2) |
|
|
2541 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
|
|
2542 | |
|
|
2543 | for (i = 1; i < items; ++i ) |
|
|
2544 | { |
|
|
2545 | aio_req req; |
|
|
2546 | |
|
|
2547 | if (GIMME_V != G_VOID) |
|
|
2548 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
|
|
2549 | |
|
|
2550 | req = SvAIO_REQ (ST (i)); |
|
|
2551 | |
|
|
2552 | if (req) |
|
|
2553 | eio_grp_add (grp, req); |
|
|
2554 | } |
|
|
2555 | } |
|
|
2556 | |
|
|
2557 | void |
|
|
2558 | cancel_subs (aio_req_ornot req) |
|
|
2559 | CODE: |
|
|
2560 | req_cancel_subs (req); |
|
|
2561 | |
|
|
2562 | void |
|
|
2563 | result (aio_req grp, ...) |
|
|
2564 | CODE: |
|
|
2565 | { |
|
|
2566 | int i; |
|
|
2567 | AV *av; |
|
|
2568 | |
|
|
2569 | grp->errorno = errno; |
|
|
2570 | |
|
|
2571 | av = newAV (); |
|
|
2572 | av_extend (av, items - 1); |
|
|
2573 | |
|
|
2574 | for (i = 1; i < items; ++i ) |
|
|
2575 | av_push (av, newSVsv (ST (i))); |
|
|
2576 | |
|
|
2577 | SvREFCNT_dec (grp->sv1); |
|
|
2578 | grp->sv1 = (SV *)av; |
|
|
2579 | } |
|
|
2580 | |
|
|
2581 | void |
|
|
2582 | errno (aio_req grp, int errorno = errno) |
|
|
2583 | CODE: |
|
|
2584 | grp->errorno = errorno; |
|
|
2585 | |
|
|
2586 | void |
|
|
2587 | limit (aio_req grp, int limit) |
|
|
2588 | CODE: |
|
|
2589 | eio_grp_limit (grp, limit); |
|
|
2590 | |
|
|
2591 | void |
|
|
2592 | feed (aio_req grp, SV *callback = &PL_sv_undef) |
|
|
2593 | CODE: |
|
|
2594 | { |
|
|
2595 | SvREFCNT_dec (grp->sv2); |
|
|
2596 | grp->sv2 = newSVsv (callback); |
|
|
2597 | grp->feed = aio_grp_feed; |
|
|
2598 | |
|
|
2599 | if (grp->int2 <= 0) |
|
|
2600 | grp->int2 = 2; |
|
|
2601 | |
|
|
2602 | eio_grp_limit (grp, grp->int2); |
|
|
2603 | } |
|
|
2604 | |