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" |
|
|
8 | #include "perliol.h" |
7 | |
9 | |
8 | #include "autoconf/config.h" |
10 | #if !defined mg_findext |
|
|
11 | # define mg_findext(sv,type,vtbl) mg_find (sv, type) |
|
|
12 | #endif |
9 | |
13 | |
10 | #include <pthread.h> |
14 | #include <stddef.h> |
11 | |
15 | #include <stdlib.h> |
|
|
16 | #include <errno.h> |
12 | #include <sys/types.h> |
17 | #include <sys/types.h> |
|
|
18 | #include <sys/socket.h> |
13 | #include <sys/stat.h> |
19 | #include <sys/stat.h> |
14 | |
|
|
15 | #include <unistd.h> |
20 | #include <limits.h> |
16 | #include <fcntl.h> |
21 | #include <fcntl.h> |
17 | #include <signal.h> |
|
|
18 | #include <sched.h> |
22 | #include <sched.h> |
19 | |
23 | |
20 | #if HAVE_SENDFILE |
24 | /* the incompetent fool that created musl keeps __linux__, refuses |
21 | # if __linux |
25 | * to implement any linux standard apis, and also has no way to test |
|
|
26 | * for his broken iplementation. don't complain to me if this fails |
|
|
27 | * for you. |
|
|
28 | */ |
|
|
29 | #if __linux__ && (defined __GLIBC__ || defined __UCLIBC__) |
|
|
30 | # include <linux/fs.h> |
|
|
31 | # ifdef FS_IOC_FIEMAP |
|
|
32 | # include <linux/types.h> |
|
|
33 | # include <linux/fiemap.h> |
|
|
34 | # define HAVE_FIEMAP 1 |
|
|
35 | # endif |
|
|
36 | #endif |
|
|
37 | |
|
|
38 | /* perl namespace pollution */ |
|
|
39 | #undef VERSION |
|
|
40 | |
|
|
41 | /* perl stupidly overrides readdir and maybe others */ |
|
|
42 | /* with thread-unsafe versions, imagine that :( */ |
|
|
43 | #undef readdir |
|
|
44 | #undef opendir |
|
|
45 | #undef closedir |
|
|
46 | |
|
|
47 | #ifdef _WIN32 |
|
|
48 | |
|
|
49 | // perl overrides all those nice libc functions |
|
|
50 | |
|
|
51 | #undef malloc |
|
|
52 | #undef free |
|
|
53 | #undef open |
|
|
54 | #undef read |
|
|
55 | #undef write |
|
|
56 | #undef send |
|
|
57 | #undef recv |
|
|
58 | #undef stat |
|
|
59 | #undef lstat |
|
|
60 | #undef fstat |
|
|
61 | #undef truncate |
|
|
62 | #undef ftruncate |
|
|
63 | #undef open |
|
|
64 | #undef link |
|
|
65 | #undef close |
|
|
66 | #undef unlink |
|
|
67 | #undef mkdir |
|
|
68 | #undef rmdir |
|
|
69 | #undef rename |
|
|
70 | #undef lseek |
|
|
71 | #undef opendir |
|
|
72 | #undef readdir |
|
|
73 | #undef closedir |
|
|
74 | #undef chmod |
|
|
75 | #undef fchmod |
|
|
76 | #undef dup |
|
|
77 | #undef dup2 |
|
|
78 | #undef abort |
|
|
79 | #undef pipe |
|
|
80 | #undef utime |
|
|
81 | |
|
|
82 | #define EIO_STRUCT_STAT struct _stati64 |
|
|
83 | #define EIO_STRUCT_STATI64 |
|
|
84 | |
|
|
85 | #else |
|
|
86 | |
|
|
87 | #include <sys/time.h> |
22 | # include <sys/sendfile.h> |
88 | #include <sys/select.h> |
23 | # elif __freebsd |
89 | #include <unistd.h> |
|
|
90 | #include <utime.h> |
|
|
91 | #include <signal.h> |
|
|
92 | |
|
|
93 | #define EIO_STRUCT_STAT Stat_t |
|
|
94 | |
|
|
95 | #endif |
|
|
96 | |
|
|
97 | /*****************************************************************************/ |
|
|
98 | |
|
|
99 | #if __GNUC__ >= 3 |
|
|
100 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
|
|
101 | #else |
|
|
102 | # define expect(expr,value) (expr) |
|
|
103 | #endif |
|
|
104 | |
|
|
105 | #define expect_false(expr) expect ((expr) != 0, 0) |
|
|
106 | #define expect_true(expr) expect ((expr) != 0, 1) |
|
|
107 | |
|
|
108 | /*****************************************************************************/ |
|
|
109 | |
|
|
110 | #include "config.h" |
|
|
111 | |
|
|
112 | #if HAVE_SYS_MKDEV_H |
24 | # include <sys/socket.h> |
113 | # include <sys/mkdev.h> |
|
|
114 | #elif HAVE_SYS_SYSMACROS_H |
|
|
115 | # include <sys/sysmacros.h> |
|
|
116 | #endif |
|
|
117 | |
|
|
118 | #if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES |
|
|
119 | # include <sys/mman.h> |
|
|
120 | #endif |
|
|
121 | |
|
|
122 | #if HAVE_SYS_UIO_H |
25 | # include <sys/uio.h> |
123 | # include <sys/uio.h> |
26 | # elif __hpux |
124 | #endif |
27 | # include <sys/socket.h> |
125 | |
28 | # elif __solaris /* not yet */ |
126 | #if HAVE_ST_XTIMENSEC |
|
|
127 | # define ATIMENSEC PL_statcache.st_atimensec |
|
|
128 | # define MTIMENSEC PL_statcache.st_mtimensec |
|
|
129 | # define CTIMENSEC PL_statcache.st_ctimensec |
|
|
130 | #elif HAVE_ST_XTIMESPEC |
|
|
131 | # define ATIMENSEC PL_statcache.st_atim.tv_nsec |
|
|
132 | # define MTIMENSEC PL_statcache.st_mtim.tv_nsec |
|
|
133 | # define CTIMENSEC PL_statcache.st_ctim.tv_nsec |
|
|
134 | #else |
|
|
135 | # define ATIMENSEC 0 |
|
|
136 | # define MTIMENSEC 0 |
|
|
137 | # define CTIMENSEC 0 |
|
|
138 | #endif |
|
|
139 | |
|
|
140 | #if HAVE_ST_BIRTHTIMENSEC |
|
|
141 | # define BTIMESEC PL_statcache.st_birthtime |
|
|
142 | # define BTIMENSEC PL_statcache.st_birthtimensec |
|
|
143 | #elif HAVE_ST_BIRTHTIMESPEC |
|
|
144 | # define BTIMESEC PL_statcache.st_birthtim.tv_sec |
|
|
145 | # define BTIMENSEC PL_statcache.st_birthtim.tv_nsec |
|
|
146 | #else |
|
|
147 | # define BTIMESEC 0 |
|
|
148 | # define BTIMENSEC 0 |
|
|
149 | #endif |
|
|
150 | |
|
|
151 | #if HAVE_ST_GEN |
|
|
152 | # define ST_GEN PL_statcache.st_gen |
|
|
153 | #else |
|
|
154 | # define ST_GEN 0 |
|
|
155 | #endif |
|
|
156 | |
|
|
157 | #include "schmorp.h" |
|
|
158 | |
|
|
159 | #if HAVE_EVENTFD |
29 | # include <sys/sendfile.h> |
160 | # include <sys/eventfd.h> |
|
|
161 | #endif |
|
|
162 | |
|
|
163 | #if HAVE_TIMERFD |
|
|
164 | # include <sys/timerfd.h> |
|
|
165 | #endif |
|
|
166 | |
|
|
167 | #if HAVE_RLIMITS |
|
|
168 | #include <sys/time.h> |
|
|
169 | #include <sys/resource.h> |
|
|
170 | #endif |
|
|
171 | |
|
|
172 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
|
|
173 | typedef int aio_rfd; /* read file desriptor */ |
|
|
174 | typedef int aio_wfd; /* write file descriptor */ |
|
|
175 | |
|
|
176 | static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash; |
|
|
177 | |
|
|
178 | #define EIO_REQ_MEMBERS \ |
|
|
179 | SV *callback; \ |
|
|
180 | SV *sv1, *sv2; \ |
|
|
181 | SV *sv3, *sv4; \ |
|
|
182 | STRLEN stroffset; \ |
|
|
183 | SV *self; |
|
|
184 | |
|
|
185 | #define EIO_NO_WRAPPERS 1 |
|
|
186 | |
|
|
187 | #include "libeio/eio.h" |
|
|
188 | |
|
|
189 | static int req_invoke (eio_req *req); |
|
|
190 | #define EIO_FINISH(req) req_invoke (req) |
|
|
191 | static void req_destroy (eio_req *grp); |
|
|
192 | #define EIO_DESTROY(req) req_destroy (req) |
|
|
193 | |
|
|
194 | #include "libeio/eio.c" |
|
|
195 | |
|
|
196 | #if !HAVE_POSIX_FADVISE |
|
|
197 | # define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ |
|
|
198 | #endif |
|
|
199 | |
|
|
200 | #if !HAVE_POSIX_MADVISE |
|
|
201 | # define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ |
|
|
202 | #endif |
|
|
203 | |
|
|
204 | #ifndef MAP_ANONYMOUS |
|
|
205 | # ifdef MAP_ANON |
|
|
206 | # define MAP_ANONYMOUS MAP_ANON |
30 | # else |
207 | # else |
31 | # error sendfile support requested but not available |
208 | # define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ |
32 | # endif |
209 | # endif |
33 | #endif |
210 | #endif |
34 | |
211 | |
35 | #if __ia64 |
212 | #ifndef makedev |
36 | # define STACKSIZE 65536 |
213 | # define makedev(maj,min) (((maj) << 8) | (min)) |
37 | #else |
|
|
38 | # define STACKSIZE 4096 |
|
|
39 | #endif |
214 | #endif |
|
|
215 | #ifndef major |
|
|
216 | # define major(dev) ((dev) >> 8) |
|
|
217 | #endif |
|
|
218 | #ifndef minor |
|
|
219 | # define minor(dev) ((dev) & 0xff) |
|
|
220 | #endif |
40 | |
221 | |
41 | enum { |
222 | /* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */ |
42 | REQ_QUIT, |
223 | #ifdef __sun |
43 | REQ_OPEN, REQ_CLOSE, |
224 | # undef PAGESIZE |
44 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
225 | #endif |
45 | REQ_SENDFILE, |
226 | |
46 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
227 | #if PAGESIZE <= 0 |
47 | REQ_FSYNC, REQ_FDATASYNC, |
228 | # define PAGESIZE sysconf (_SC_PAGESIZE) |
48 | REQ_UNLINK, REQ_RMDIR, |
229 | #endif |
49 | REQ_SYMLINK, |
230 | |
|
|
231 | /*****************************************************************************/ |
|
|
232 | |
|
|
233 | #if !_POSIX_MAPPED_FILES |
|
|
234 | # define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1) |
|
|
235 | # define munmap(addr,length) EIO_ENOSYS () |
|
|
236 | #endif |
|
|
237 | |
|
|
238 | #if !_POSIX_MEMORY_PROTECTION |
|
|
239 | # define mprotect(addr,len,prot) EIO_ENOSYS () |
|
|
240 | #endif |
|
|
241 | |
|
|
242 | #if !MREMAP_MAYMOVE |
|
|
243 | # define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1) |
|
|
244 | #endif |
|
|
245 | |
|
|
246 | #define FOREIGN_MAGIC PERL_MAGIC_ext |
|
|
247 | |
|
|
248 | static int ecb_cold |
|
|
249 | mmap_free (pTHX_ SV *sv, MAGIC *mg) |
|
|
250 | { |
|
|
251 | int old_errno = errno; |
|
|
252 | munmap (mg->mg_ptr, (size_t)mg->mg_obj); |
|
|
253 | errno = old_errno; |
|
|
254 | |
|
|
255 | mg->mg_obj = 0; /* just in case */ |
|
|
256 | |
|
|
257 | SvREADONLY_off (sv); |
|
|
258 | |
|
|
259 | if (SvPVX (sv) != mg->mg_ptr) |
|
|
260 | croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected"); |
|
|
261 | |
|
|
262 | SvCUR_set (sv, 0); |
|
|
263 | SvPVX (sv) = 0; |
|
|
264 | SvOK_off (sv); |
|
|
265 | |
|
|
266 | return 0; |
|
|
267 | } |
|
|
268 | |
|
|
269 | static MGVTBL mmap_vtbl = { |
|
|
270 | 0, 0, 0, 0, mmap_free |
50 | }; |
271 | }; |
51 | |
272 | |
52 | typedef struct aio_cb { |
273 | static int ecb_cold |
53 | struct aio_cb *volatile next; |
274 | sysfree_free (pTHX_ SV *sv, MAGIC *mg) |
54 | |
|
|
55 | int type; |
|
|
56 | |
|
|
57 | int fd, fd2; |
|
|
58 | off_t offset; |
|
|
59 | size_t length; |
|
|
60 | ssize_t result; |
|
|
61 | mode_t mode; /* open */ |
|
|
62 | int errorno; |
|
|
63 | SV *data, *callback; |
|
|
64 | SV *fh, *fh2; |
|
|
65 | void *dataptr, *data2ptr; |
|
|
66 | STRLEN dataoffset; |
|
|
67 | |
|
|
68 | Stat_t *statdata; |
|
|
69 | } aio_cb; |
|
|
70 | |
|
|
71 | typedef aio_cb *aio_req; |
|
|
72 | |
|
|
73 | static int started, wanted; |
|
|
74 | static volatile int nreqs; |
|
|
75 | static int max_outstanding = 1<<30; |
|
|
76 | static int respipe [2]; |
|
|
77 | |
|
|
78 | static pthread_mutex_t reslock = PTHREAD_MUTEX_INITIALIZER; |
|
|
79 | static pthread_mutex_t reqlock = PTHREAD_MUTEX_INITIALIZER; |
|
|
80 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
|
|
81 | |
|
|
82 | static volatile aio_req reqs, reqe; /* queue start, queue end */ |
|
|
83 | static volatile aio_req ress, rese; /* queue start, queue end */ |
|
|
84 | |
|
|
85 | static void free_req (aio_req req) |
|
|
86 | { |
275 | { |
87 | if (req->data) |
276 | free (mg->mg_ptr); |
88 | SvREFCNT_dec (req->data); |
277 | mg->mg_obj = 0; /* just in case */ |
89 | |
278 | |
90 | if (req->fh) |
279 | SvREADONLY_off (sv); |
91 | SvREFCNT_dec (req->fh); |
|
|
92 | |
280 | |
93 | if (req->fh2) |
281 | if (SvPVX (sv) != mg->mg_ptr) |
94 | SvREFCNT_dec (req->fh2); |
282 | croak ("ERROR: IO::AIO mapped scalar changed location, detected"); |
95 | |
283 | |
96 | if (req->statdata) |
284 | SvCUR_set (sv, 0); |
97 | Safefree (req->statdata); |
285 | SvPVX (sv) = 0; |
|
|
286 | SvOK_off (sv); |
98 | |
287 | |
99 | if (req->callback) |
288 | return 0; |
100 | SvREFCNT_dec (req->callback); |
|
|
101 | |
|
|
102 | Safefree (req); |
|
|
103 | } |
289 | } |
104 | |
290 | |
|
|
291 | static MGVTBL sysfree_vtbl = { |
|
|
292 | 0, 0, 0, 0, sysfree_free |
|
|
293 | }; |
|
|
294 | |
|
|
295 | /*****************************************************************************/ |
|
|
296 | |
|
|
297 | /* helper: set scalar to foreign ptr with custom free */ |
|
|
298 | ecb_noinline |
105 | static void |
299 | static void |
106 | poll_wait () |
300 | sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length) |
107 | { |
301 | { |
108 | if (nreqs && !ress) |
302 | sv_force_normal (sv); |
109 | { |
|
|
110 | fd_set rfd; |
|
|
111 | FD_ZERO(&rfd); |
|
|
112 | FD_SET(respipe [0], &rfd); |
|
|
113 | |
303 | |
114 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
304 | /* we store the length in mg_obj, as namlen is I32 :/ */ |
115 | } |
305 | sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0) |
116 | } |
306 | ->mg_obj = (SV *)length; |
117 | |
307 | |
|
|
308 | SvUPGRADE (sv, SVt_PV); /* nop... */ |
|
|
309 | |
|
|
310 | if (SvLEN (sv)) |
|
|
311 | Safefree (SvPVX (sv)); |
|
|
312 | |
|
|
313 | SvPVX (sv) = (char *)addr; |
|
|
314 | SvCUR_set (sv, length); |
|
|
315 | SvLEN_set (sv, 0); |
|
|
316 | SvPOK_only (sv); |
|
|
317 | } |
|
|
318 | |
118 | static int |
319 | static void |
119 | poll_cb () |
320 | sv_clear_foreign (SV *sv) |
120 | { |
321 | { |
121 | dSP; |
322 | /* todo: iterate over magic and only free ours, but of course */ |
|
|
323 | /* the perl5porters will call that (correct) behaviour buggy */ |
|
|
324 | sv_unmagic (sv, FOREIGN_MAGIC); |
|
|
325 | } |
|
|
326 | |
|
|
327 | /*****************************************************************************/ |
|
|
328 | |
|
|
329 | /* defines all sorts of constants to 0 unless they are already defined */ |
|
|
330 | /* also provides const_iv_ and const_niv_ macros for them */ |
|
|
331 | #include "def0.h" |
|
|
332 | |
|
|
333 | /*****************************************************************************/ |
|
|
334 | |
|
|
335 | static void |
|
|
336 | fiemap (eio_req *req) |
|
|
337 | { |
|
|
338 | req->result = -1; |
|
|
339 | |
|
|
340 | #if HAVE_FIEMAP |
|
|
341 | /* assume some c99 */ |
|
|
342 | struct fiemap *fiemap = 0; |
|
|
343 | size_t end_offset; |
|
|
344 | int count = req->int3; |
|
|
345 | |
|
|
346 | req->flags |= EIO_FLAG_PTR1_FREE; |
|
|
347 | |
|
|
348 | /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */ |
|
|
349 | /* increase in 3.5kb steps */ |
|
|
350 | if (count < 0) |
122 | int count = 0; |
351 | count = 8; |
123 | int do_croak = 0; |
352 | |
124 | aio_req req; |
353 | fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count); |
|
|
354 | errno = ENOMEM; |
|
|
355 | if (!fiemap) |
|
|
356 | return; |
|
|
357 | |
|
|
358 | req->ptr1 = fiemap; |
|
|
359 | |
|
|
360 | fiemap->fm_start = req->offs; |
|
|
361 | fiemap->fm_length = req->size; |
|
|
362 | fiemap->fm_flags = req->int2; |
|
|
363 | fiemap->fm_extent_count = count; |
|
|
364 | |
|
|
365 | if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0) |
|
|
366 | return; |
|
|
367 | |
|
|
368 | if (req->int3 >= 0 /* not autosizing */ |
|
|
369 | || !fiemap->fm_mapped_extents /* no more extents */ |
|
|
370 | || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */) |
|
|
371 | goto done; |
|
|
372 | |
|
|
373 | /* else we have to loop - |
|
|
374 | * it would be tempting (actually I tried that first) to just query the |
|
|
375 | * number of extents needed, but linux often feels like not returning all |
|
|
376 | * extents, without telling us it left any out. this complicates |
|
|
377 | * this quite a bit. |
|
|
378 | */ |
|
|
379 | |
|
|
380 | end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start); |
125 | |
381 | |
126 | for (;;) |
382 | for (;;) |
127 | { |
383 | { |
128 | pthread_mutex_lock (&reslock); |
384 | /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */ |
129 | req = ress; |
385 | char scratch[3072]; |
|
|
386 | struct fiemap *incmap = (struct fiemap *)scratch; |
130 | |
387 | |
|
|
388 | incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical |
|
|
389 | + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length; |
|
|
390 | incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start); |
|
|
391 | incmap->fm_flags = fiemap->fm_flags; |
|
|
392 | incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent); |
|
|
393 | |
|
|
394 | if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0) |
|
|
395 | return; |
|
|
396 | |
|
|
397 | if (!incmap->fm_mapped_extents) |
|
|
398 | goto done; |
|
|
399 | |
|
|
400 | count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents; |
|
|
401 | fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count); |
|
|
402 | errno = ENOMEM; |
131 | if (req) |
403 | if (!fiemap) |
|
|
404 | return; |
|
|
405 | |
|
|
406 | req->ptr1 = fiemap; |
|
|
407 | |
|
|
408 | for (count = 0; count < incmap->fm_mapped_extents; ++count) |
132 | { |
409 | { |
133 | ress = req->next; |
410 | struct fiemap_extent *e = incmap->fm_extents + count; |
134 | |
411 | |
135 | if (!ress) |
412 | if (e->fe_logical + e->fe_length >= end_offset) |
136 | { |
413 | goto done; |
137 | /* read any signals sent by the worker threads */ |
|
|
138 | char buf [32]; |
|
|
139 | while (read (respipe [0], buf, 32) == 32) |
|
|
140 | ; |
|
|
141 | |
414 | |
142 | rese = 0; |
415 | fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e; |
143 | } |
416 | |
|
|
417 | if (e->fe_flags & FIEMAP_EXTENT_LAST) |
|
|
418 | goto done; |
|
|
419 | |
144 | } |
420 | } |
|
|
421 | } |
145 | |
422 | |
146 | pthread_mutex_unlock (&reslock); |
423 | done: |
|
|
424 | req->result = 0; |
147 | |
425 | |
148 | if (!req) |
426 | #else |
149 | break; |
427 | errno = ENOSYS; |
|
|
428 | #endif |
|
|
429 | } |
150 | |
430 | |
151 | nreqs--; |
431 | /*****************************************************************************/ |
152 | |
432 | |
153 | if (req->type == REQ_QUIT) |
433 | static int close_fd; /* dummy fd to close fds via dup2 */ |
154 | started--; |
434 | |
155 | else |
435 | #if HAVE_STATX |
|
|
436 | static struct statx stx; |
|
|
437 | #define statx_offsetof(member) offsetof (struct statx, member) |
|
|
438 | #define eio__statx statx |
|
|
439 | #else |
|
|
440 | #define statx_offsetof(member) 0 |
|
|
441 | #define eio__statx(dir,path,flags,mask,stx) EIO_ENOSYS() |
|
|
442 | #endif |
|
|
443 | |
|
|
444 | enum { |
|
|
445 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
|
|
446 | }; |
|
|
447 | |
|
|
448 | typedef eio_req *aio_req; |
|
|
449 | typedef eio_req *aio_req_ornot; |
|
|
450 | typedef eio_wd aio_wd; |
|
|
451 | |
|
|
452 | static SV *on_next_submit; |
|
|
453 | static int next_pri = EIO_PRI_DEFAULT; |
|
|
454 | static int max_outstanding; |
|
|
455 | |
|
|
456 | static s_epipe respipe; |
|
|
457 | |
|
|
458 | static void req_destroy (aio_req req); |
|
|
459 | static void req_cancel (aio_req req); |
|
|
460 | |
|
|
461 | static void |
|
|
462 | want_poll (void) |
|
|
463 | { |
|
|
464 | /* write a dummy byte to the pipe so fh becomes ready */ |
|
|
465 | s_epipe_signal (&respipe); |
|
|
466 | } |
|
|
467 | |
|
|
468 | static void |
|
|
469 | done_poll (void) |
|
|
470 | { |
|
|
471 | /* read any signals sent by the worker threads */ |
|
|
472 | s_epipe_drain (&respipe); |
|
|
473 | } |
|
|
474 | |
|
|
475 | /* must be called at most once */ |
|
|
476 | ecb_noinline |
|
|
477 | static SV * |
|
|
478 | req_sv (aio_req req, HV *stash) |
|
|
479 | { |
|
|
480 | if (!req->self) |
|
|
481 | { |
|
|
482 | req->self = (SV *)newHV (); |
|
|
483 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
|
|
484 | } |
|
|
485 | |
|
|
486 | return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); |
|
|
487 | } |
|
|
488 | |
|
|
489 | static SV * |
|
|
490 | newSVaio_wd (aio_wd wd) |
|
|
491 | { |
|
|
492 | return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash); |
|
|
493 | } |
|
|
494 | |
|
|
495 | ecb_noinline |
|
|
496 | static aio_req |
|
|
497 | SvAIO_REQ (SV *sv) |
|
|
498 | { |
|
|
499 | MAGIC *mg; |
|
|
500 | |
|
|
501 | if (!SvROK (sv) |
|
|
502 | /* for speed reasons, we do not verify that SvROK actually has a stash ptr */ |
|
|
503 | || (SvSTASH (SvRV (sv)) != aio_grp_stash |
|
|
504 | && SvSTASH (SvRV (sv)) != aio_req_stash |
|
|
505 | && !sv_derived_from (sv, "IO::AIO::REQ"))) |
|
|
506 | croak ("object of class IO::AIO::REQ expected"); |
|
|
507 | |
|
|
508 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
|
|
509 | |
|
|
510 | return mg ? (aio_req)mg->mg_ptr : 0; |
|
|
511 | } |
|
|
512 | |
|
|
513 | static aio_wd |
|
|
514 | SvAIO_WD (SV *sv) |
|
|
515 | { |
|
|
516 | if (!SvROK (sv) |
|
|
517 | || SvTYPE (SvRV (sv)) != SVt_PVMG |
|
|
518 | || SvSTASH (SvRV (sv)) != aio_wd_stash) |
|
|
519 | croak ("IO::AIO: expected a working directory object as returned by aio_wd"); |
|
|
520 | |
|
|
521 | return (aio_wd)(long)SvIVX (SvRV (sv)); |
|
|
522 | } |
|
|
523 | |
|
|
524 | static SV * |
|
|
525 | newmortalFH (int fd, int flags) |
|
|
526 | { |
|
|
527 | if (fd < 0) |
|
|
528 | return &PL_sv_undef; |
|
|
529 | |
|
|
530 | GV *gv = (GV *)sv_newmortal (); |
|
|
531 | char sym[64]; |
|
|
532 | int symlen; |
|
|
533 | |
|
|
534 | symlen = snprintf (sym, sizeof (sym), "fd#%d", fd); |
|
|
535 | gv_init (gv, aio_stash, sym, symlen, 0); |
|
|
536 | |
|
|
537 | symlen = snprintf ( |
|
|
538 | sym, |
|
|
539 | sizeof (sym), |
|
|
540 | "%s&=%d", |
|
|
541 | flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<", |
|
|
542 | fd |
|
|
543 | ); |
|
|
544 | |
|
|
545 | return do_open (gv, sym, symlen, 0, 0, 0, 0) |
|
|
546 | ? (SV *)gv : &PL_sv_undef; |
|
|
547 | } |
|
|
548 | |
|
|
549 | static void |
|
|
550 | aio_grp_feed (aio_req grp) |
|
|
551 | { |
|
|
552 | if (grp->sv2 && SvOK (grp->sv2)) |
|
|
553 | { |
|
|
554 | dSP; |
|
|
555 | |
|
|
556 | ENTER; |
|
|
557 | SAVETMPS; |
|
|
558 | PUSHMARK (SP); |
|
|
559 | XPUSHs (req_sv (grp, aio_grp_stash)); |
|
|
560 | PUTBACK; |
|
|
561 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
|
|
562 | SPAGAIN; |
|
|
563 | FREETMPS; |
|
|
564 | LEAVE; |
|
|
565 | } |
|
|
566 | } |
|
|
567 | |
|
|
568 | ecb_noinline |
|
|
569 | static void |
|
|
570 | req_submit (eio_req *req) |
|
|
571 | { |
|
|
572 | eio_submit (req); |
|
|
573 | |
|
|
574 | if (expect_false (on_next_submit)) |
|
|
575 | { |
|
|
576 | dSP; |
|
|
577 | SV *cb = sv_2mortal (on_next_submit); |
|
|
578 | |
|
|
579 | on_next_submit = 0; |
|
|
580 | |
|
|
581 | PUSHMARK (SP); |
|
|
582 | PUTBACK; |
|
|
583 | call_sv (cb, G_DISCARD | G_EVAL); |
|
|
584 | } |
|
|
585 | } |
|
|
586 | |
|
|
587 | static int |
|
|
588 | req_invoke (eio_req *req) |
|
|
589 | { |
|
|
590 | if (req->flags & FLAG_SV2_RO_OFF) |
|
|
591 | SvREADONLY_off (req->sv2); |
|
|
592 | |
|
|
593 | if (!EIO_CANCELLED (req) && req->callback) |
|
|
594 | { |
|
|
595 | dSP; |
|
|
596 | static SV *sv_result_cache; /* caches the result integer SV */ |
|
|
597 | SV *sv_result; |
|
|
598 | |
|
|
599 | ENTER; |
|
|
600 | SAVETMPS; |
|
|
601 | PUSHMARK (SP); |
|
|
602 | EXTEND (SP, 1); |
|
|
603 | |
|
|
604 | /* do not recreate the result IV from scratch each time */ |
|
|
605 | if (expect_true (sv_result_cache)) |
156 | { |
606 | { |
157 | int errorno = errno; |
607 | sv_result = sv_result_cache; sv_result_cache = 0; |
158 | errno = req->errorno; |
608 | SvIV_set (sv_result, req->result); |
159 | |
609 | SvIOK_only (sv_result); |
160 | if (req->type == REQ_READ) |
|
|
161 | SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0)); |
|
|
162 | |
|
|
163 | if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE)) |
|
|
164 | SvREADONLY_off (req->data); |
|
|
165 | |
|
|
166 | if (req->statdata) |
|
|
167 | { |
|
|
168 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
169 | PL_laststatval = req->result; |
|
|
170 | PL_statcache = *(req->statdata); |
|
|
171 | } |
|
|
172 | |
|
|
173 | ENTER; |
|
|
174 | PUSHMARK (SP); |
|
|
175 | XPUSHs (sv_2mortal (newSViv (req->result))); |
|
|
176 | |
|
|
177 | if (req->type == REQ_OPEN) |
|
|
178 | { |
|
|
179 | /* convert fd to fh */ |
|
|
180 | SV *fh; |
|
|
181 | |
|
|
182 | PUTBACK; |
|
|
183 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
|
|
184 | SPAGAIN; |
|
|
185 | |
|
|
186 | fh = SvREFCNT_inc (POPs); |
|
|
187 | |
|
|
188 | PUSHMARK (SP); |
|
|
189 | XPUSHs (sv_2mortal (fh)); |
|
|
190 | } |
|
|
191 | |
|
|
192 | if (SvOK (req->callback)) |
|
|
193 | { |
|
|
194 | PUTBACK; |
|
|
195 | call_sv (req->callback, G_VOID | G_EVAL); |
|
|
196 | SPAGAIN; |
|
|
197 | |
|
|
198 | if (SvTRUE (ERRSV)) |
|
|
199 | { |
|
|
200 | free_req (req); |
|
|
201 | croak (0); |
|
|
202 | } |
|
|
203 | } |
|
|
204 | |
|
|
205 | LEAVE; |
|
|
206 | |
|
|
207 | errno = errorno; |
|
|
208 | count++; |
|
|
209 | } |
|
|
210 | |
|
|
211 | free_req (req); |
|
|
212 | } |
|
|
213 | |
|
|
214 | return count; |
|
|
215 | } |
|
|
216 | |
|
|
217 | static void *aio_proc(void *arg); |
|
|
218 | |
|
|
219 | static void |
|
|
220 | start_thread (void) |
|
|
221 | { |
|
|
222 | sigset_t fullsigset, oldsigset; |
|
|
223 | pthread_t tid; |
|
|
224 | pthread_attr_t attr; |
|
|
225 | |
|
|
226 | pthread_attr_init (&attr); |
|
|
227 | pthread_attr_setstacksize (&attr, STACKSIZE); |
|
|
228 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
|
|
229 | |
|
|
230 | sigfillset (&fullsigset); |
|
|
231 | sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset); |
|
|
232 | |
|
|
233 | if (pthread_create (&tid, &attr, aio_proc, 0) == 0) |
|
|
234 | started++; |
|
|
235 | |
|
|
236 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
|
|
237 | } |
|
|
238 | |
|
|
239 | static void |
|
|
240 | send_req (aio_req req) |
|
|
241 | { |
|
|
242 | while (started < wanted && nreqs >= started) |
|
|
243 | start_thread (); |
|
|
244 | |
|
|
245 | nreqs++; |
|
|
246 | |
|
|
247 | pthread_mutex_lock (&reqlock); |
|
|
248 | |
|
|
249 | req->next = 0; |
|
|
250 | |
|
|
251 | if (reqe) |
|
|
252 | { |
|
|
253 | reqe->next = req; |
|
|
254 | reqe = req; |
|
|
255 | } |
|
|
256 | else |
|
|
257 | reqe = reqs = req; |
|
|
258 | |
|
|
259 | pthread_cond_signal (&reqwait); |
|
|
260 | pthread_mutex_unlock (&reqlock); |
|
|
261 | |
|
|
262 | if (nreqs > max_outstanding) |
|
|
263 | for (;;) |
|
|
264 | { |
|
|
265 | poll_cb (); |
|
|
266 | |
|
|
267 | if (nreqs <= max_outstanding) |
|
|
268 | break; |
|
|
269 | |
|
|
270 | poll_wait (); |
|
|
271 | } |
|
|
272 | } |
|
|
273 | |
|
|
274 | static void |
|
|
275 | end_thread (void) |
|
|
276 | { |
|
|
277 | aio_req req; |
|
|
278 | Newz (0, req, 1, aio_cb); |
|
|
279 | req->type = REQ_QUIT; |
|
|
280 | |
|
|
281 | send_req (req); |
|
|
282 | } |
|
|
283 | |
|
|
284 | static void min_parallel (int nthreads) |
|
|
285 | { |
|
|
286 | if (wanted < nthreads) |
|
|
287 | wanted = nthreads; |
|
|
288 | } |
|
|
289 | |
|
|
290 | static void max_parallel (int nthreads) |
|
|
291 | { |
|
|
292 | int cur = started; |
|
|
293 | |
|
|
294 | if (wanted > nthreads) |
|
|
295 | wanted = nthreads; |
|
|
296 | |
|
|
297 | while (cur > wanted) |
|
|
298 | { |
|
|
299 | end_thread (); |
|
|
300 | cur--; |
|
|
301 | } |
|
|
302 | |
|
|
303 | while (started > wanted) |
|
|
304 | { |
|
|
305 | poll_wait (); |
|
|
306 | poll_cb (); |
|
|
307 | } |
|
|
308 | } |
|
|
309 | |
|
|
310 | static void create_pipe () |
|
|
311 | { |
|
|
312 | if (pipe (respipe)) |
|
|
313 | croak ("unable to initialize result pipe"); |
|
|
314 | |
|
|
315 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)) |
|
|
316 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
317 | |
|
|
318 | if (fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
|
|
319 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
320 | } |
|
|
321 | |
|
|
322 | static void atfork_prepare (void) |
|
|
323 | { |
|
|
324 | pthread_mutex_lock (&reqlock); |
|
|
325 | pthread_mutex_lock (&reslock); |
|
|
326 | } |
|
|
327 | |
|
|
328 | static void atfork_parent (void) |
|
|
329 | { |
|
|
330 | pthread_mutex_unlock (&reslock); |
|
|
331 | pthread_mutex_unlock (&reqlock); |
|
|
332 | } |
|
|
333 | |
|
|
334 | static void atfork_child (void) |
|
|
335 | { |
|
|
336 | aio_req prv; |
|
|
337 | |
|
|
338 | started = 0; |
|
|
339 | |
|
|
340 | while (reqs) |
|
|
341 | { |
|
|
342 | prv = reqs; |
|
|
343 | reqs = prv->next; |
|
|
344 | free_req (prv); |
|
|
345 | } |
|
|
346 | |
|
|
347 | reqs = reqe = 0; |
|
|
348 | |
|
|
349 | while (ress) |
|
|
350 | { |
|
|
351 | prv = ress; |
|
|
352 | ress = prv->next; |
|
|
353 | free_req (prv); |
|
|
354 | } |
|
|
355 | |
|
|
356 | ress = rese = 0; |
|
|
357 | |
|
|
358 | close (respipe [0]); |
|
|
359 | close (respipe [1]); |
|
|
360 | create_pipe (); |
|
|
361 | |
|
|
362 | atfork_parent (); |
|
|
363 | } |
|
|
364 | |
|
|
365 | /*****************************************************************************/ |
|
|
366 | /* work around various missing functions */ |
|
|
367 | |
|
|
368 | #if !HAVE_PREADWRITE |
|
|
369 | # define pread aio_pread |
|
|
370 | # define pwrite aio_pwrite |
|
|
371 | |
|
|
372 | /* |
|
|
373 | * make our pread/pwrite safe against themselves, but not against |
|
|
374 | * normal read/write by using a mutex. slows down execution a lot, |
|
|
375 | * but that's your problem, not mine. |
|
|
376 | */ |
|
|
377 | static pthread_mutex_t iolock = PTHREAD_MUTEX_INITIALIZER; |
|
|
378 | |
|
|
379 | static ssize_t |
|
|
380 | pread (int fd, void *buf, size_t count, off_t offset) |
|
|
381 | { |
|
|
382 | ssize_t res; |
|
|
383 | off_t ooffset; |
|
|
384 | |
|
|
385 | pthread_mutex_lock (&iolock); |
|
|
386 | ooffset = lseek (fd, 0, SEEK_CUR); |
|
|
387 | lseek (fd, offset, SEEK_SET); |
|
|
388 | res = read (fd, buf, count); |
|
|
389 | lseek (fd, ooffset, SEEK_SET); |
|
|
390 | pthread_mutex_unlock (&iolock); |
|
|
391 | |
|
|
392 | return res; |
|
|
393 | } |
|
|
394 | |
|
|
395 | static ssize_t |
|
|
396 | pwrite (int fd, void *buf, size_t count, off_t offset) |
|
|
397 | { |
|
|
398 | ssize_t res; |
|
|
399 | off_t ooffset; |
|
|
400 | |
|
|
401 | pthread_mutex_lock (&iolock); |
|
|
402 | ooffset = lseek (fd, 0, SEEK_CUR); |
|
|
403 | lseek (fd, offset, SEEK_SET); |
|
|
404 | res = write (fd, buf, count); |
|
|
405 | lseek (fd, offset, SEEK_SET); |
|
|
406 | pthread_mutex_unlock (&iolock); |
|
|
407 | |
|
|
408 | return res; |
|
|
409 | } |
|
|
410 | #endif |
|
|
411 | |
|
|
412 | #if !HAVE_FDATASYNC |
|
|
413 | # define fdatasync fsync |
|
|
414 | #endif |
|
|
415 | |
|
|
416 | #if !HAVE_READAHEAD |
|
|
417 | # define readahead aio_readahead |
|
|
418 | |
|
|
419 | static char readahead_buf[4096]; |
|
|
420 | |
|
|
421 | static ssize_t |
|
|
422 | readahead (int fd, off_t offset, size_t count) |
|
|
423 | { |
|
|
424 | while (count > 0) |
|
|
425 | { |
|
|
426 | size_t len = count < sizeof (readahead_buf) ? count : sizeof (readahead_buf); |
|
|
427 | |
|
|
428 | pread (fd, readahead_buf, len, offset); |
|
|
429 | offset += len; |
|
|
430 | count -= len; |
|
|
431 | } |
|
|
432 | |
|
|
433 | errno = 0; |
|
|
434 | } |
|
|
435 | #endif |
|
|
436 | |
|
|
437 | /* sendfile always needs emulation */ |
|
|
438 | static ssize_t |
|
|
439 | sendfile_ (int ofd, int ifd, off_t offset, size_t count) |
|
|
440 | { |
|
|
441 | ssize_t res; |
|
|
442 | |
|
|
443 | if (!count) |
|
|
444 | return 0; |
|
|
445 | |
|
|
446 | #if HAVE_SENDFILE |
|
|
447 | # if __linux |
|
|
448 | res = sendfile (ofd, ifd, &offset, count); |
|
|
449 | |
|
|
450 | # elif __freebsd |
|
|
451 | /* |
|
|
452 | * Of course, the freebsd sendfile is a dire hack with no thoughts |
|
|
453 | * wasted on making it similar to other I/O functions. |
|
|
454 | */ |
|
|
455 | { |
|
|
456 | off_t sbytes; |
|
|
457 | res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0); |
|
|
458 | |
|
|
459 | if (res < 0 && sbytes) |
|
|
460 | /* maybe only on EAGAIN only: as usual, the manpage leaves you guessing */ |
|
|
461 | res = sbytes; |
|
|
462 | } |
|
|
463 | |
|
|
464 | # elif __hpux |
|
|
465 | res = sendfile (ofd, ifd, offset, count, 0, 0); |
|
|
466 | |
|
|
467 | # elif __solaris |
|
|
468 | { |
|
|
469 | struct sendfilevec vec; |
|
|
470 | size_t sbytes; |
|
|
471 | |
|
|
472 | vec.sfv_fd = ifd; |
|
|
473 | vec.sfv_flag = 0; |
|
|
474 | vec.sfv_off = offset; |
|
|
475 | vec.sfv_len = count; |
|
|
476 | |
|
|
477 | res = sendfilev (ofd, &vec, 1, &sbytes); |
|
|
478 | |
|
|
479 | if (res < 0 && sbytes) |
|
|
480 | res = sbytes; |
|
|
481 | } |
|
|
482 | |
|
|
483 | # else |
|
|
484 | res = -1; |
|
|
485 | errno = ENOSYS; |
|
|
486 | # endif |
|
|
487 | #endif |
|
|
488 | |
|
|
489 | if (res < 0 |
|
|
490 | && (errno == ENOSYS || errno == EINVAL || errno == ENOTSOCK |
|
|
491 | #if __solaris |
|
|
492 | || errno == EAFNOSUPPORT || errno == EPROTOTYPE |
|
|
493 | #endif |
|
|
494 | ) |
|
|
495 | ) |
|
|
496 | { |
|
|
497 | /* emulate sendfile. this is a major pain in the ass */ |
|
|
498 | char *buf = malloc (4096); |
|
|
499 | res = 0; |
|
|
500 | |
|
|
501 | for (;;) |
|
|
502 | { |
|
|
503 | ssize_t cnt; |
|
|
504 | |
|
|
505 | cnt = pread (ifd, buf, 4096, offset); |
|
|
506 | |
|
|
507 | if (cnt <= 0) |
|
|
508 | { |
|
|
509 | if (cnt && !res) res = -1; |
|
|
510 | break; |
|
|
511 | } |
|
|
512 | |
|
|
513 | cnt = write (ofd, buf, cnt); |
|
|
514 | |
|
|
515 | if (cnt <= 0) |
|
|
516 | { |
|
|
517 | if (cnt && !res) res = -1; |
|
|
518 | break; |
|
|
519 | } |
|
|
520 | |
|
|
521 | offset += cnt; |
|
|
522 | res += cnt; |
|
|
523 | } |
|
|
524 | |
|
|
525 | { |
|
|
526 | int errorno = errno; |
|
|
527 | free (buf); |
|
|
528 | errno = errorno; |
|
|
529 | } |
|
|
530 | } |
|
|
531 | |
|
|
532 | return res; |
|
|
533 | } |
|
|
534 | |
|
|
535 | /*****************************************************************************/ |
|
|
536 | |
|
|
537 | static void * |
|
|
538 | aio_proc (void *thr_arg) |
|
|
539 | { |
|
|
540 | aio_req req; |
|
|
541 | int type; |
|
|
542 | |
|
|
543 | do |
|
|
544 | { |
|
|
545 | pthread_mutex_lock (&reqlock); |
|
|
546 | |
|
|
547 | for (;;) |
|
|
548 | { |
|
|
549 | req = reqs; |
|
|
550 | |
|
|
551 | if (reqs) |
|
|
552 | { |
|
|
553 | reqs = reqs->next; |
|
|
554 | if (!reqs) reqe = 0; |
|
|
555 | } |
|
|
556 | |
|
|
557 | if (req) |
|
|
558 | break; |
|
|
559 | |
|
|
560 | pthread_cond_wait (&reqwait, &reqlock); |
|
|
561 | } |
|
|
562 | |
|
|
563 | pthread_mutex_unlock (&reqlock); |
|
|
564 | |
|
|
565 | errno = 0; /* strictly unnecessary */ |
|
|
566 | |
|
|
567 | type = req->type; |
|
|
568 | |
|
|
569 | switch (type) |
|
|
570 | { |
|
|
571 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
|
|
572 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
|
|
573 | |
|
|
574 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
|
|
575 | case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length); break; |
|
|
576 | |
|
|
577 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
|
|
578 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
|
|
579 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
|
|
580 | |
|
|
581 | case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; |
|
|
582 | case REQ_CLOSE: req->result = close (req->fd); break; |
|
|
583 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
|
|
584 | case REQ_RMDIR: req->result = rmdir (req->dataptr); break; |
|
|
585 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
|
|
586 | |
|
|
587 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
|
|
588 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
|
|
589 | |
|
|
590 | case REQ_QUIT: |
|
|
591 | break; |
|
|
592 | |
|
|
593 | default: |
|
|
594 | req->result = ENOSYS; |
|
|
595 | break; |
|
|
596 | } |
|
|
597 | |
|
|
598 | req->errorno = errno; |
|
|
599 | |
|
|
600 | pthread_mutex_lock (&reslock); |
|
|
601 | |
|
|
602 | req->next = 0; |
|
|
603 | |
|
|
604 | if (rese) |
|
|
605 | { |
|
|
606 | rese->next = req; |
|
|
607 | rese = req; |
|
|
608 | } |
610 | } |
609 | else |
611 | else |
610 | { |
612 | { |
611 | rese = ress = req; |
613 | sv_result = newSViv (req->result); |
612 | |
614 | SvREADONLY_on (sv_result); |
613 | /* write a dummy byte to the pipe so fh becomes ready */ |
|
|
614 | write (respipe [1], &respipe, 1); |
|
|
615 | } |
615 | } |
616 | |
616 | |
617 | pthread_mutex_unlock (&reslock); |
617 | switch (req->type) |
|
|
618 | { |
|
|
619 | case EIO_WD_OPEN: |
|
|
620 | PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd))); |
|
|
621 | break; |
|
|
622 | |
|
|
623 | case EIO_READDIR: |
|
|
624 | { |
|
|
625 | SV *rv = &PL_sv_undef; |
|
|
626 | |
|
|
627 | if (req->result >= 0) |
|
|
628 | { |
|
|
629 | int i; |
|
|
630 | char *names = (char *)req->ptr2; |
|
|
631 | eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */ |
|
|
632 | AV *av = newAV (); |
|
|
633 | |
|
|
634 | av_extend (av, req->result - 1); |
|
|
635 | |
|
|
636 | for (i = 0; i < req->result; ++i) |
|
|
637 | { |
|
|
638 | if (req->int1 & EIO_READDIR_DENTS) |
|
|
639 | { |
|
|
640 | SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen); |
|
|
641 | |
|
|
642 | if (req->int1 & EIO_READDIR_CUSTOM2) |
|
|
643 | { |
|
|
644 | static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */ |
|
|
645 | AV *avent = newAV (); |
|
|
646 | |
|
|
647 | av_extend (avent, 2); |
|
|
648 | |
|
|
649 | if (!sv_type [ent->type]) |
|
|
650 | { |
|
|
651 | sv_type [ent->type] = newSViv (ent->type); |
|
|
652 | SvREADONLY_on (sv_type [ent->type]); |
|
|
653 | } |
|
|
654 | |
|
|
655 | av_store (avent, 0, namesv); |
|
|
656 | av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type])); |
|
|
657 | av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode)); |
|
|
658 | |
|
|
659 | av_store (av, i, newRV_noinc ((SV *)avent)); |
|
|
660 | } |
|
|
661 | else |
|
|
662 | av_store (av, i, namesv); |
|
|
663 | |
|
|
664 | ++ent; |
|
|
665 | } |
|
|
666 | else |
|
|
667 | { |
|
|
668 | SV *name = newSVpv (names, 0); |
|
|
669 | av_store (av, i, name); |
|
|
670 | names += SvCUR (name) + 1; |
|
|
671 | } |
|
|
672 | } |
|
|
673 | |
|
|
674 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
|
|
675 | } |
|
|
676 | |
|
|
677 | PUSHs (rv); |
|
|
678 | |
|
|
679 | if (req->int1 & EIO_READDIR_CUSTOM1) |
|
|
680 | XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); |
|
|
681 | } |
|
|
682 | break; |
|
|
683 | |
|
|
684 | case EIO_OPEN: |
|
|
685 | PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR))); |
|
|
686 | break; |
|
|
687 | |
|
|
688 | case EIO_STATVFS: |
|
|
689 | case EIO_FSTATVFS: |
|
|
690 | { |
|
|
691 | SV *rv = &PL_sv_undef; |
|
|
692 | |
|
|
693 | #ifndef _WIN32 |
|
|
694 | if (req->result >= 0) |
|
|
695 | { |
|
|
696 | EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); |
|
|
697 | HV *hv = newHV (); |
|
|
698 | /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom |
|
|
699 | * chooses to make it a struct. |
|
|
700 | */ |
|
|
701 | unsigned long fsid = 0; |
|
|
702 | memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid)); |
|
|
703 | |
|
|
704 | rv = sv_2mortal (newRV_noinc ((SV *)hv)); |
|
|
705 | |
|
|
706 | hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); |
|
|
707 | hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); |
|
|
708 | hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0); |
|
|
709 | hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); |
|
|
710 | hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); |
|
|
711 | hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); |
|
|
712 | hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); |
|
|
713 | hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); |
|
|
714 | hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0); |
|
|
715 | hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); |
|
|
716 | hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); |
|
|
717 | } |
|
|
718 | #endif |
|
|
719 | |
|
|
720 | PUSHs (rv); |
|
|
721 | } |
|
|
722 | |
|
|
723 | break; |
|
|
724 | |
|
|
725 | case EIO_GROUP: |
|
|
726 | req->int1 = 2; /* mark group as finished */ |
|
|
727 | |
|
|
728 | if (req->sv1) |
|
|
729 | { |
|
|
730 | int i; |
|
|
731 | AV *av = (AV *)req->sv1; |
|
|
732 | |
|
|
733 | EXTEND (SP, AvFILL (av) + 1); |
|
|
734 | for (i = 0; i <= AvFILL (av); ++i) |
|
|
735 | PUSHs (*av_fetch (av, i, 0)); |
|
|
736 | } |
|
|
737 | break; |
|
|
738 | |
|
|
739 | case EIO_NOP: |
|
|
740 | case EIO_BUSY: |
|
|
741 | break; |
|
|
742 | |
|
|
743 | case EIO_READLINK: |
|
|
744 | case EIO_REALPATH: |
|
|
745 | if (req->result > 0) |
|
|
746 | PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); |
|
|
747 | break; |
|
|
748 | |
|
|
749 | case EIO_STAT: |
|
|
750 | case EIO_LSTAT: |
|
|
751 | case EIO_FSTAT: |
|
|
752 | PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
753 | |
|
|
754 | if (!(PL_laststatval = req->result)) |
|
|
755 | /* if compilation fails here then perl's Stat_t is not struct _stati64 */ |
|
|
756 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
|
|
757 | |
|
|
758 | PUSHs (sv_result); |
|
|
759 | break; |
|
|
760 | |
|
|
761 | case EIO_SEEK: |
|
|
762 | PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs))); |
|
|
763 | break; |
|
|
764 | |
|
|
765 | case EIO_READ: |
|
|
766 | { |
|
|
767 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
|
|
768 | *SvEND (req->sv2) = 0; |
|
|
769 | SvPOK_only (req->sv2); |
|
|
770 | SvSETMAGIC (req->sv2); |
|
|
771 | PUSHs (sv_result); |
|
|
772 | } |
|
|
773 | break; |
|
|
774 | |
|
|
775 | case EIO_SLURP: |
|
|
776 | { |
|
|
777 | if (req->result >= 0) |
|
|
778 | { |
|
|
779 | /* if length was originally not known, we steal the malloc'ed memory */ |
|
|
780 | if (req->flags & EIO_FLAG_PTR2_FREE) |
|
|
781 | { |
|
|
782 | req->flags &= ~EIO_FLAG_PTR2_FREE; |
|
|
783 | sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result); |
|
|
784 | } |
|
|
785 | else |
|
|
786 | { |
|
|
787 | SvCUR_set (req->sv2, req->result); |
|
|
788 | *SvEND (req->sv2) = 0; |
|
|
789 | SvPOK_only (req->sv2); |
|
|
790 | } |
|
|
791 | |
|
|
792 | SvSETMAGIC (req->sv2); |
|
|
793 | } |
|
|
794 | |
|
|
795 | PUSHs (sv_result); |
|
|
796 | } |
|
|
797 | break; |
|
|
798 | |
|
|
799 | case EIO_CUSTOM: |
|
|
800 | if (req->feed == fiemap) |
|
|
801 | { |
|
|
802 | #if HAVE_FIEMAP |
|
|
803 | if (!req->result) |
|
|
804 | { |
|
|
805 | struct fiemap *fiemap = (struct fiemap *)req->ptr1; |
|
|
806 | |
|
|
807 | if (fiemap->fm_extent_count) |
|
|
808 | { |
|
|
809 | AV *av = newAV (); |
|
|
810 | int i; |
|
|
811 | |
|
|
812 | while (fiemap->fm_mapped_extents) |
|
|
813 | { |
|
|
814 | struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents]; |
|
|
815 | AV *ext_av = newAV (); |
|
|
816 | |
|
|
817 | av_store (ext_av, 3, newSVuv (extent->fe_flags)); |
|
|
818 | av_store (ext_av, 2, newSVval64 (extent->fe_length)); |
|
|
819 | av_store (ext_av, 1, newSVval64 (extent->fe_physical)); |
|
|
820 | av_store (ext_av, 0, newSVval64 (extent->fe_logical)); |
|
|
821 | |
|
|
822 | av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av)); |
|
|
823 | } |
|
|
824 | |
|
|
825 | PUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
826 | } |
|
|
827 | else |
|
|
828 | { |
|
|
829 | SvIV_set (sv_result, fiemap->fm_mapped_extents); |
|
|
830 | PUSHs (sv_result); |
|
|
831 | } |
|
|
832 | } |
|
|
833 | #endif |
|
|
834 | } |
|
|
835 | else |
|
|
836 | PUSHs (sv_result); |
|
|
837 | break; |
|
|
838 | |
|
|
839 | #if 0 |
|
|
840 | case EIO_CLOSE: |
|
|
841 | PerlIOUnix_refcnt_dec (req->int1); |
|
|
842 | break; |
|
|
843 | #endif |
|
|
844 | |
|
|
845 | case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ |
|
|
846 | if (req->result > 0) |
|
|
847 | SvIV_set (sv_result, 0); |
|
|
848 | /* FALLTHROUGH */ |
|
|
849 | |
|
|
850 | default: |
|
|
851 | PUSHs (sv_result); |
|
|
852 | break; |
|
|
853 | } |
|
|
854 | |
|
|
855 | errno = req->errorno; |
|
|
856 | |
|
|
857 | PUTBACK; |
|
|
858 | call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
|
|
859 | SPAGAIN; |
|
|
860 | |
|
|
861 | if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache)) |
|
|
862 | SvREFCNT_dec (sv_result); |
|
|
863 | else |
|
|
864 | sv_result_cache = sv_result; |
|
|
865 | |
|
|
866 | FREETMPS; |
|
|
867 | LEAVE; |
|
|
868 | |
|
|
869 | PUTBACK; |
618 | } |
870 | } |
619 | while (type != REQ_QUIT); |
|
|
620 | |
871 | |
|
|
872 | return !!SvTRUE (ERRSV); |
|
|
873 | } |
|
|
874 | |
|
|
875 | static void |
|
|
876 | req_destroy (aio_req req) |
|
|
877 | { |
|
|
878 | if (req->self) |
|
|
879 | { |
|
|
880 | sv_unmagic (req->self, PERL_MAGIC_ext); |
|
|
881 | SvREFCNT_dec (req->self); |
|
|
882 | } |
|
|
883 | |
|
|
884 | SvREFCNT_dec (req->sv1); |
|
|
885 | SvREFCNT_dec (req->sv2); |
|
|
886 | SvREFCNT_dec (req->sv3); |
|
|
887 | SvREFCNT_dec (req->sv4); |
|
|
888 | SvREFCNT_dec (req->callback); |
|
|
889 | |
|
|
890 | free (req); |
|
|
891 | } |
|
|
892 | |
|
|
893 | static void |
|
|
894 | req_cancel_subs (aio_req grp) |
|
|
895 | { |
|
|
896 | if (grp->type != EIO_GROUP) |
|
|
897 | return; |
|
|
898 | |
|
|
899 | SvREFCNT_dec (grp->sv2); |
|
|
900 | grp->sv2 = 0; |
|
|
901 | |
|
|
902 | eio_grp_cancel (grp); |
|
|
903 | } |
|
|
904 | |
|
|
905 | ecb_cold |
|
|
906 | static void |
|
|
907 | create_respipe (void) |
|
|
908 | { |
|
|
909 | if (s_epipe_renew (&respipe)) |
|
|
910 | croak ("IO::AIO: unable to initialize result pipe"); |
|
|
911 | } |
|
|
912 | |
|
|
913 | static void |
|
|
914 | poll_wait (void) |
|
|
915 | { |
|
|
916 | while (eio_nreqs ()) |
|
|
917 | { |
|
|
918 | int size; |
|
|
919 | |
|
|
920 | X_LOCK (EIO_POOL->reslock); |
|
|
921 | size = EIO_POOL->res_queue.size; |
|
|
922 | X_UNLOCK (EIO_POOL->reslock); |
|
|
923 | |
|
|
924 | if (size) |
|
|
925 | return; |
|
|
926 | |
|
|
927 | etp_maybe_start_thread (EIO_POOL); |
|
|
928 | |
|
|
929 | s_epipe_wait (&respipe); |
|
|
930 | } |
|
|
931 | } |
|
|
932 | |
|
|
933 | static int |
|
|
934 | poll_cb (void) |
|
|
935 | { |
|
|
936 | for (;;) |
|
|
937 | { |
|
|
938 | int res = eio_poll (); |
|
|
939 | |
|
|
940 | if (res > 0) |
|
|
941 | croak (0); |
|
|
942 | |
|
|
943 | if (!max_outstanding || max_outstanding > eio_nreqs ()) |
|
|
944 | return res; |
|
|
945 | |
|
|
946 | poll_wait (); |
|
|
947 | } |
|
|
948 | } |
|
|
949 | |
|
|
950 | ecb_cold |
|
|
951 | static void |
|
|
952 | reinit (void) |
|
|
953 | { |
|
|
954 | create_respipe (); |
|
|
955 | |
|
|
956 | if (eio_init (want_poll, done_poll) < 0) |
|
|
957 | croak ("IO::AIO: unable to initialise eio library"); |
|
|
958 | } |
|
|
959 | |
|
|
960 | /*****************************************************************************/ |
|
|
961 | |
|
|
962 | static SV * |
|
|
963 | get_cb (SV *cb_sv) |
|
|
964 | { |
|
|
965 | SvGETMAGIC (cb_sv); |
|
|
966 | return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; |
|
|
967 | } |
|
|
968 | |
|
|
969 | ecb_noinline |
|
|
970 | static aio_req ecb_noinline |
|
|
971 | dreq (SV *callback) |
|
|
972 | { |
|
|
973 | SV *cb_cv; |
|
|
974 | aio_req req; |
|
|
975 | int req_pri = next_pri; |
|
|
976 | next_pri = EIO_PRI_DEFAULT; |
|
|
977 | |
|
|
978 | cb_cv = get_cb (callback); |
|
|
979 | |
|
|
980 | req = calloc (sizeof (*req), 1); |
|
|
981 | if (!req) |
|
|
982 | croak ("out of memory during eio_req allocation"); |
|
|
983 | |
|
|
984 | req->callback = SvREFCNT_inc (cb_cv); |
|
|
985 | req->pri = req_pri; |
|
|
986 | |
621 | return 0; |
987 | return req; |
622 | } |
988 | } |
623 | |
989 | |
624 | #define dREQ \ |
990 | #define dREQ \ |
625 | aio_req req; \ |
991 | aio_req req = dreq (callback); \ |
|
|
992 | |
|
|
993 | #define REQ_SEND \ |
|
|
994 | PUTBACK; \ |
|
|
995 | req_submit (req); \ |
|
|
996 | SPAGAIN; \ |
626 | \ |
997 | \ |
627 | if (SvOK (callback) && !SvROK (callback)) \ |
998 | if (GIMME_V != G_VOID) \ |
628 | croak ("clalback must be undef or of reference type"); \ |
999 | XPUSHs (req_sv (req, aio_req_stash)); |
629 | \ |
1000 | |
630 | Newz (0, req, 1, aio_cb); \ |
1001 | /* *wdsv, *pathsv, *wd and *ptr must be 0-initialized */ |
631 | if (!req) \ |
1002 | ecb_inline |
632 | croak ("out of memory during aio_req allocation"); \ |
1003 | void |
633 | \ |
1004 | req_set_path (SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr) |
634 | req->callback = newSVsv (callback); |
1005 | { |
635 | |
1006 | if (expect_false (SvROK (path))) |
|
|
1007 | { |
|
|
1008 | SV *rv = SvRV (path); |
|
|
1009 | SV *wdob; |
|
|
1010 | |
|
|
1011 | if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1) |
|
|
1012 | { |
|
|
1013 | path = AvARRAY (rv)[1]; |
|
|
1014 | wdob = AvARRAY (rv)[0]; |
|
|
1015 | |
|
|
1016 | if (SvOK (wdob)) |
|
|
1017 | { |
|
|
1018 | *wd = SvAIO_WD (wdob); |
|
|
1019 | *wdsv = SvREFCNT_inc_NN (SvRV (wdob)); |
|
|
1020 | } |
|
|
1021 | else |
|
|
1022 | *wd = EIO_INVALID_WD; |
|
|
1023 | } |
|
|
1024 | else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash) |
|
|
1025 | { |
|
|
1026 | *wd = (aio_wd)(long)SvIVX (rv); |
|
|
1027 | *wdsv = SvREFCNT_inc_NN (rv); |
|
|
1028 | *ptr = "."; |
|
|
1029 | return; /* path set to "." */ |
|
|
1030 | } |
|
|
1031 | else |
|
|
1032 | croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair"); |
|
|
1033 | } |
|
|
1034 | |
|
|
1035 | *pathsv = newSVsv (path); |
|
|
1036 | *ptr = SvPVbyte_nolen (*pathsv); |
|
|
1037 | } |
|
|
1038 | |
|
|
1039 | ecb_noinline |
|
|
1040 | static void |
|
|
1041 | req_set_path1 (aio_req req, SV *path) |
|
|
1042 | { |
|
|
1043 | req_set_path (path, &req->sv1, &req->sv3, &req->wd, &req->ptr1); |
|
|
1044 | } |
|
|
1045 | |
|
|
1046 | ecb_noinline |
|
|
1047 | static void |
|
|
1048 | req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path) |
|
|
1049 | { |
|
|
1050 | SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path; |
|
|
1051 | |
|
|
1052 | switch (SvTYPE (rv)) |
|
|
1053 | { |
|
|
1054 | case SVt_PVIO: |
|
|
1055 | case SVt_PVLV: |
|
|
1056 | case SVt_PVGV: |
|
|
1057 | req->type = type_fh; |
|
|
1058 | req->sv1 = newSVsv (fh_or_path); |
|
|
1059 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1060 | break; |
|
|
1061 | |
|
|
1062 | default: |
|
|
1063 | req->type = type_path; |
|
|
1064 | req_set_path1 (req, fh_or_path); |
|
|
1065 | break; |
|
|
1066 | } |
|
|
1067 | } |
|
|
1068 | |
|
|
1069 | /*****************************************************************************/ |
|
|
1070 | |
|
|
1071 | static void |
|
|
1072 | ts_set (struct timespec *ts, NV value) |
|
|
1073 | { |
|
|
1074 | ts->tv_sec = value; |
|
|
1075 | ts->tv_nsec = (value - ts->tv_sec) * 1e9; |
|
|
1076 | } |
|
|
1077 | |
|
|
1078 | static NV |
|
|
1079 | ts_get (const struct timespec *ts) |
|
|
1080 | { |
|
|
1081 | return ts->tv_sec + ts->tv_nsec * 1e-9; |
|
|
1082 | } |
|
|
1083 | |
|
|
1084 | /*****************************************************************************/ |
|
|
1085 | |
|
|
1086 | XS(boot_IO__AIO) ecb_cold; |
|
|
1087 | |
636 | MODULE = IO::AIO PACKAGE = IO::AIO |
1088 | MODULE = IO::AIO PACKAGE = IO::AIO |
637 | |
1089 | |
638 | PROTOTYPES: ENABLE |
1090 | PROTOTYPES: ENABLE |
639 | |
1091 | |
640 | BOOT: |
1092 | BOOT: |
641 | { |
1093 | { |
642 | create_pipe (); |
1094 | static const struct { |
643 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
1095 | const char *name; |
644 | } |
1096 | IV iv; |
|
|
1097 | } *civ, const_iv[] = { |
|
|
1098 | # define const_niv(name, value) { # name, (IV) value }, |
|
|
1099 | # define const_iv(name) { # name, (IV) name }, |
|
|
1100 | # define const_eio(name) { # name, (IV) EIO_ ## name }, |
645 | |
1101 | |
|
|
1102 | /* you have to re-run ./gendef0 after adding/removing any constants here */ |
|
|
1103 | /* the first block can be undef if missing */ |
|
|
1104 | const_iv (ENOSYS) |
|
|
1105 | const_iv (EXDEV) |
|
|
1106 | const_iv (EBADR) |
|
|
1107 | |
|
|
1108 | /* for lseek */ |
|
|
1109 | const_iv (SEEK_DATA) |
|
|
1110 | const_iv (SEEK_HOLE) |
|
|
1111 | |
|
|
1112 | const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) |
|
|
1113 | const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) |
|
|
1114 | const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) |
|
|
1115 | const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) |
|
|
1116 | const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) |
|
|
1117 | const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) |
|
|
1118 | |
|
|
1119 | const_niv (MADV_NORMAL , POSIX_MADV_NORMAL) |
|
|
1120 | const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL) |
|
|
1121 | const_niv (MADV_RANDOM , POSIX_MADV_RANDOM) |
|
|
1122 | const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED) |
|
|
1123 | const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED) |
|
|
1124 | |
|
|
1125 | /* the second block will be 0 when missing */ |
|
|
1126 | const_iv (O_ACCMODE) |
|
|
1127 | |
|
|
1128 | const_iv (O_RDONLY) |
|
|
1129 | const_iv (O_WRONLY) |
|
|
1130 | const_iv (O_RDWR) |
|
|
1131 | const_iv (O_CREAT) |
|
|
1132 | const_iv (O_TRUNC) |
|
|
1133 | const_iv (O_EXCL) |
|
|
1134 | const_iv (O_APPEND) |
|
|
1135 | |
|
|
1136 | const_iv (O_ASYNC) |
|
|
1137 | const_iv (O_DIRECT) |
|
|
1138 | const_iv (O_NOATIME) |
|
|
1139 | |
|
|
1140 | const_iv (O_CLOEXEC) |
|
|
1141 | const_iv (O_NOCTTY) |
|
|
1142 | const_iv (O_NOFOLLOW) |
|
|
1143 | const_iv (O_NONBLOCK) |
|
|
1144 | const_iv (O_EXEC) |
|
|
1145 | const_iv (O_SEARCH) |
|
|
1146 | const_iv (O_DIRECTORY) |
|
|
1147 | const_iv (O_DSYNC) |
|
|
1148 | const_iv (O_RSYNC) |
|
|
1149 | const_iv (O_SYNC) |
|
|
1150 | const_iv (O_PATH) |
|
|
1151 | const_iv (O_TMPFILE) |
|
|
1152 | const_iv (O_TTY_INIT) |
|
|
1153 | |
|
|
1154 | const_iv (S_IFIFO) |
|
|
1155 | const_iv (S_IFCHR) |
|
|
1156 | const_iv (S_IFBLK) |
|
|
1157 | const_iv (S_IFLNK) |
|
|
1158 | const_iv (S_IFREG) |
|
|
1159 | const_iv (S_IFDIR) |
|
|
1160 | const_iv (S_IFWHT) |
|
|
1161 | const_iv (S_IFSOCK) |
|
|
1162 | const_iv (S_IFMT) |
|
|
1163 | |
|
|
1164 | const_iv (ST_RDONLY) |
|
|
1165 | const_iv (ST_NOSUID) |
|
|
1166 | const_iv (ST_NODEV) |
|
|
1167 | const_iv (ST_NOEXEC) |
|
|
1168 | const_iv (ST_SYNCHRONOUS) |
|
|
1169 | const_iv (ST_MANDLOCK) |
|
|
1170 | const_iv (ST_WRITE) |
|
|
1171 | const_iv (ST_APPEND) |
|
|
1172 | const_iv (ST_IMMUTABLE) |
|
|
1173 | const_iv (ST_NOATIME) |
|
|
1174 | const_iv (ST_NODIRATIME) |
|
|
1175 | const_iv (ST_RELATIME) |
|
|
1176 | |
|
|
1177 | const_iv (PROT_NONE) |
|
|
1178 | const_iv (PROT_EXEC) |
|
|
1179 | const_iv (PROT_READ) |
|
|
1180 | const_iv (PROT_WRITE) |
|
|
1181 | |
|
|
1182 | const_iv (MAP_PRIVATE) |
|
|
1183 | const_iv (MAP_SHARED) |
|
|
1184 | const_iv (MAP_FIXED) |
|
|
1185 | const_iv (MAP_ANONYMOUS) |
|
|
1186 | |
|
|
1187 | /* linuxish */ |
|
|
1188 | const_iv (MAP_LOCKED) |
|
|
1189 | const_iv (MAP_NORESERVE) |
|
|
1190 | const_iv (MAP_POPULATE) |
|
|
1191 | const_iv (MAP_NONBLOCK) |
|
|
1192 | const_iv (MAP_GROWSDOWN) |
|
|
1193 | const_iv (MAP_32BIT) |
|
|
1194 | const_iv (MAP_HUGETLB) |
|
|
1195 | const_iv (MAP_STACK) |
|
|
1196 | |
|
|
1197 | const_iv (MREMAP_MAYMOVE) |
|
|
1198 | const_iv (MREMAP_FIXED) |
|
|
1199 | |
|
|
1200 | const_iv (MSG_CMSG_CLOEXEC) |
|
|
1201 | const_iv (SOCK_CLOEXEC) |
|
|
1202 | |
|
|
1203 | const_iv (F_DUPFD_CLOEXEC) |
|
|
1204 | |
|
|
1205 | const_iv (F_ADD_SEALS) |
|
|
1206 | const_iv (F_GET_SEALS) |
|
|
1207 | const_iv (F_SEAL_SEAL) |
|
|
1208 | const_iv (F_SEAL_SHRINK) |
|
|
1209 | const_iv (F_SEAL_GROW) |
|
|
1210 | const_iv (F_SEAL_WRITE) |
|
|
1211 | |
|
|
1212 | const_iv (F_OFD_GETLK) |
|
|
1213 | const_iv (F_OFD_SETLK) |
|
|
1214 | const_iv (F_OFD_GETLKW) |
|
|
1215 | |
|
|
1216 | const_iv (FIFREEZE) |
|
|
1217 | const_iv (FITHAW) |
|
|
1218 | const_iv (FITRIM) |
|
|
1219 | const_iv (FICLONE) |
|
|
1220 | const_iv (FICLONERANGE) |
|
|
1221 | const_iv (FIDEDUPERANGE) |
|
|
1222 | |
|
|
1223 | const_iv (FS_IOC_GETFLAGS) |
|
|
1224 | const_iv (FS_IOC_SETFLAGS) |
|
|
1225 | const_iv (FS_IOC_GETVERSION) |
|
|
1226 | const_iv (FS_IOC_SETVERSION) |
|
|
1227 | const_iv (FS_IOC_FIEMAP) |
|
|
1228 | const_iv (FS_IOC_FSGETXATTR) |
|
|
1229 | const_iv (FS_IOC_FSSETXATTR) |
|
|
1230 | const_iv (FS_IOC_SET_ENCRYPTION_POLICY) |
|
|
1231 | const_iv (FS_IOC_GET_ENCRYPTION_PWSALT) |
|
|
1232 | const_iv (FS_IOC_GET_ENCRYPTION_POLICY) |
|
|
1233 | |
|
|
1234 | const_iv (FS_KEY_DESCRIPTOR_SIZE) |
|
|
1235 | |
|
|
1236 | const_iv (FS_SECRM_FL) |
|
|
1237 | const_iv (FS_UNRM_FL) |
|
|
1238 | const_iv (FS_COMPR_FL) |
|
|
1239 | const_iv (FS_SYNC_FL) |
|
|
1240 | const_iv (FS_IMMUTABLE_FL) |
|
|
1241 | const_iv (FS_APPEND_FL) |
|
|
1242 | const_iv (FS_NODUMP_FL) |
|
|
1243 | const_iv (FS_NOATIME_FL) |
|
|
1244 | const_iv (FS_DIRTY_FL) |
|
|
1245 | const_iv (FS_COMPRBLK_FL) |
|
|
1246 | const_iv (FS_NOCOMP_FL) |
|
|
1247 | const_iv (FS_ENCRYPT_FL) |
|
|
1248 | const_iv (FS_BTREE_FL) |
|
|
1249 | const_iv (FS_INDEX_FL) |
|
|
1250 | const_iv (FS_JOURNAL_DATA_FL) |
|
|
1251 | const_iv (FS_NOTAIL_FL) |
|
|
1252 | const_iv (FS_DIRSYNC_FL) |
|
|
1253 | const_iv (FS_TOPDIR_FL) |
|
|
1254 | const_iv (FS_FL_USER_MODIFIABLE) |
|
|
1255 | |
|
|
1256 | const_iv (FS_XFLAG_REALTIME) |
|
|
1257 | const_iv (FS_XFLAG_PREALLOC) |
|
|
1258 | const_iv (FS_XFLAG_IMMUTABLE) |
|
|
1259 | const_iv (FS_XFLAG_APPEND) |
|
|
1260 | const_iv (FS_XFLAG_SYNC) |
|
|
1261 | const_iv (FS_XFLAG_NOATIME) |
|
|
1262 | const_iv (FS_XFLAG_NODUMP) |
|
|
1263 | const_iv (FS_XFLAG_RTINHERIT) |
|
|
1264 | const_iv (FS_XFLAG_PROJINHERIT) |
|
|
1265 | const_iv (FS_XFLAG_NOSYMLINKS) |
|
|
1266 | const_iv (FS_XFLAG_EXTSIZE) |
|
|
1267 | const_iv (FS_XFLAG_EXTSZINHERIT) |
|
|
1268 | const_iv (FS_XFLAG_NODEFRAG) |
|
|
1269 | const_iv (FS_XFLAG_FILESTREAM) |
|
|
1270 | const_iv (FS_XFLAG_DAX) |
|
|
1271 | const_iv (FS_XFLAG_HASATTR) |
|
|
1272 | |
|
|
1273 | const_iv (FIEMAP_FLAG_SYNC) |
|
|
1274 | const_iv (FIEMAP_FLAG_XATTR) |
|
|
1275 | const_iv (FIEMAP_FLAGS_COMPAT) |
|
|
1276 | const_iv (FIEMAP_EXTENT_LAST) |
|
|
1277 | const_iv (FIEMAP_EXTENT_UNKNOWN) |
|
|
1278 | const_iv (FIEMAP_EXTENT_DELALLOC) |
|
|
1279 | const_iv (FIEMAP_EXTENT_ENCODED) |
|
|
1280 | const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED) |
|
|
1281 | const_iv (FIEMAP_EXTENT_NOT_ALIGNED) |
|
|
1282 | const_iv (FIEMAP_EXTENT_DATA_INLINE) |
|
|
1283 | const_iv (FIEMAP_EXTENT_DATA_TAIL) |
|
|
1284 | const_iv (FIEMAP_EXTENT_UNWRITTEN) |
|
|
1285 | const_iv (FIEMAP_EXTENT_MERGED) |
|
|
1286 | const_iv (FIEMAP_EXTENT_SHARED) |
|
|
1287 | |
|
|
1288 | const_iv (SPLICE_F_MOVE) |
|
|
1289 | const_iv (SPLICE_F_NONBLOCK) |
|
|
1290 | const_iv (SPLICE_F_MORE) |
|
|
1291 | const_iv (SPLICE_F_GIFT) |
|
|
1292 | |
|
|
1293 | const_iv (EFD_CLOEXEC) |
|
|
1294 | const_iv (EFD_NONBLOCK) |
|
|
1295 | const_iv (EFD_SEMAPHORE) |
|
|
1296 | |
|
|
1297 | const_iv (MFD_CLOEXEC) |
|
|
1298 | const_iv (MFD_ALLOW_SEALING) |
|
|
1299 | const_iv (MFD_HUGETLB) |
|
|
1300 | |
|
|
1301 | const_iv (CLOCK_REALTIME) |
|
|
1302 | const_iv (CLOCK_MONOTONIC) |
|
|
1303 | const_iv (CLOCK_BOOTTIME) |
|
|
1304 | const_iv (CLOCK_REALTIME_ALARM) |
|
|
1305 | const_iv (CLOCK_BOOTTIME_ALARM) |
|
|
1306 | |
|
|
1307 | const_iv (TFD_NONBLOCK) |
|
|
1308 | const_iv (TFD_CLOEXEC) |
|
|
1309 | |
|
|
1310 | const_iv (TFD_TIMER_ABSTIME) |
|
|
1311 | const_iv (TFD_TIMER_CANCEL_ON_SET) |
|
|
1312 | |
|
|
1313 | const_iv (STATX_TYPE) |
|
|
1314 | const_iv (STATX_MODE) |
|
|
1315 | const_iv (STATX_NLINK) |
|
|
1316 | const_iv (STATX_UID) |
|
|
1317 | const_iv (STATX_GID) |
|
|
1318 | const_iv (STATX_ATIME) |
|
|
1319 | const_iv (STATX_MTIME) |
|
|
1320 | const_iv (STATX_CTIME) |
|
|
1321 | const_iv (STATX_INO) |
|
|
1322 | const_iv (STATX_SIZE) |
|
|
1323 | const_iv (STATX_BLOCKS) |
|
|
1324 | const_iv (STATX_BASIC_STATS) |
|
|
1325 | const_iv (STATX_ALL) |
|
|
1326 | const_iv (STATX_BTIME) |
|
|
1327 | const_iv (STATX_ATTR_COMPRESSED) |
|
|
1328 | const_iv (STATX_ATTR_IMMUTABLE) |
|
|
1329 | const_iv (STATX_ATTR_APPEND) |
|
|
1330 | const_iv (STATX_ATTR_NODUMP) |
|
|
1331 | const_iv (STATX_ATTR_ENCRYPTED) |
|
|
1332 | const_iv (STATX_ATTR_AUTOMOUNT) |
|
|
1333 | |
|
|
1334 | /* these are libeio constants, and are independent of gendef0 */ |
|
|
1335 | const_eio (SEEK_SET) |
|
|
1336 | const_eio (SEEK_CUR) |
|
|
1337 | const_eio (SEEK_END) |
|
|
1338 | |
|
|
1339 | const_eio (MCL_FUTURE) |
|
|
1340 | const_eio (MCL_CURRENT) |
|
|
1341 | const_eio (MCL_ONFAULT) |
|
|
1342 | |
|
|
1343 | const_eio (MS_ASYNC) |
|
|
1344 | const_eio (MS_INVALIDATE) |
|
|
1345 | const_eio (MS_SYNC) |
|
|
1346 | |
|
|
1347 | const_eio (MT_MODIFY) |
|
|
1348 | |
|
|
1349 | const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) |
|
|
1350 | const_eio (SYNC_FILE_RANGE_WRITE) |
|
|
1351 | const_eio (SYNC_FILE_RANGE_WAIT_AFTER) |
|
|
1352 | |
|
|
1353 | const_eio (FALLOC_FL_KEEP_SIZE) |
|
|
1354 | const_eio (FALLOC_FL_PUNCH_HOLE) |
|
|
1355 | const_eio (FALLOC_FL_COLLAPSE_RANGE) |
|
|
1356 | const_eio (FALLOC_FL_ZERO_RANGE) |
|
|
1357 | const_eio (FALLOC_FL_INSERT_RANGE) |
|
|
1358 | const_eio (FALLOC_FL_UNSHARE_RANGE) |
|
|
1359 | |
|
|
1360 | const_eio (RENAME_NOREPLACE) |
|
|
1361 | const_eio (RENAME_EXCHANGE) |
|
|
1362 | const_eio (RENAME_WHITEOUT) |
|
|
1363 | |
|
|
1364 | const_eio (READDIR_DENTS) |
|
|
1365 | const_eio (READDIR_DIRS_FIRST) |
|
|
1366 | const_eio (READDIR_STAT_ORDER) |
|
|
1367 | const_eio (READDIR_FOUND_UNKNOWN) |
|
|
1368 | |
|
|
1369 | const_eio (DT_UNKNOWN) |
|
|
1370 | const_eio (DT_FIFO) |
|
|
1371 | const_eio (DT_CHR) |
|
|
1372 | const_eio (DT_DIR) |
|
|
1373 | const_eio (DT_BLK) |
|
|
1374 | const_eio (DT_REG) |
|
|
1375 | const_eio (DT_LNK) |
|
|
1376 | const_eio (DT_SOCK) |
|
|
1377 | const_eio (DT_WHT) |
|
|
1378 | }; |
|
|
1379 | |
|
|
1380 | aio_stash = gv_stashpv ("IO::AIO" , 1); |
|
|
1381 | aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); |
|
|
1382 | aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); |
|
|
1383 | aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1); |
|
|
1384 | |
|
|
1385 | for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--) |
|
|
1386 | newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv)); |
|
|
1387 | |
|
|
1388 | newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); |
|
|
1389 | |
|
|
1390 | /* allocate dummy pipe fd for aio_close */ |
|
|
1391 | { |
|
|
1392 | int pipefd [2]; |
|
|
1393 | |
|
|
1394 | if ( |
|
|
1395 | #ifdef _WIN32 |
|
|
1396 | _pipe (pipefd, 1, _O_BINARY) < 0 |
|
|
1397 | #else |
|
|
1398 | pipe (pipefd) < 0 |
|
|
1399 | || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0 |
|
|
1400 | #endif |
|
|
1401 | || close (pipefd [1]) < 0 |
|
|
1402 | ) |
|
|
1403 | croak ("IO::AIO: unable to create dummy pipe for aio_close"); |
|
|
1404 | |
|
|
1405 | close_fd = pipefd [0]; |
|
|
1406 | } |
|
|
1407 | |
|
|
1408 | reinit (); |
|
|
1409 | } |
|
|
1410 | |
646 | void |
1411 | void |
647 | min_parallel(nthreads) |
1412 | reinit () |
648 | int nthreads |
1413 | PROTOTYPE: |
|
|
1414 | |
|
|
1415 | void |
|
|
1416 | max_poll_reqs (unsigned int nreqs) |
649 | PROTOTYPE: $ |
1417 | PROTOTYPE: $ |
|
|
1418 | CODE: |
|
|
1419 | eio_set_max_poll_reqs (nreqs); |
650 | |
1420 | |
651 | void |
1421 | void |
652 | max_parallel(nthreads) |
1422 | max_poll_time (double nseconds) |
653 | int nthreads |
|
|
654 | PROTOTYPE: $ |
1423 | PROTOTYPE: $ |
655 | |
|
|
656 | int |
|
|
657 | max_outstanding(nreqs) |
|
|
658 | int nreqs |
|
|
659 | PROTOTYPE: $ |
|
|
660 | CODE: |
1424 | CODE: |
661 | RETVAL = max_outstanding; |
1425 | eio_set_max_poll_time (nseconds); |
|
|
1426 | |
|
|
1427 | void |
|
|
1428 | min_parallel (unsigned int nthreads) |
|
|
1429 | PROTOTYPE: $ |
|
|
1430 | CODE: |
|
|
1431 | eio_set_min_parallel (nthreads); |
|
|
1432 | |
|
|
1433 | void |
|
|
1434 | max_parallel (unsigned int nthreads) |
|
|
1435 | PROTOTYPE: $ |
|
|
1436 | CODE: |
|
|
1437 | eio_set_max_parallel (nthreads); |
|
|
1438 | |
|
|
1439 | void |
|
|
1440 | max_idle (unsigned int nthreads) |
|
|
1441 | PROTOTYPE: $ |
|
|
1442 | CODE: |
|
|
1443 | eio_set_max_idle (nthreads); |
|
|
1444 | |
|
|
1445 | void |
|
|
1446 | idle_timeout (unsigned int seconds) |
|
|
1447 | PROTOTYPE: $ |
|
|
1448 | CODE: |
|
|
1449 | eio_set_idle_timeout (seconds); |
|
|
1450 | |
|
|
1451 | void |
|
|
1452 | max_outstanding (unsigned int maxreqs) |
|
|
1453 | PROTOTYPE: $ |
|
|
1454 | CODE: |
662 | max_outstanding = nreqs; |
1455 | max_outstanding = maxreqs; |
663 | |
1456 | |
664 | void |
1457 | void |
665 | aio_open(pathname,flags,mode,callback=&PL_sv_undef) |
1458 | aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef) |
666 | SV * pathname |
|
|
667 | int flags |
|
|
668 | int mode |
|
|
669 | SV * callback |
|
|
670 | PROTOTYPE: $$$;$ |
|
|
671 | CODE: |
1459 | PPCODE: |
672 | { |
1460 | { |
673 | dREQ; |
1461 | dREQ; |
674 | |
1462 | |
|
|
1463 | req->type = EIO_WD_OPEN; |
|
|
1464 | req_set_path1 (req, pathname); |
|
|
1465 | |
|
|
1466 | REQ_SEND; |
|
|
1467 | } |
|
|
1468 | |
|
|
1469 | void |
|
|
1470 | aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef) |
|
|
1471 | PPCODE: |
|
|
1472 | { |
|
|
1473 | dREQ; |
|
|
1474 | |
675 | req->type = REQ_OPEN; |
1475 | req->type = EIO_OPEN; |
676 | req->data = newSVsv (pathname); |
1476 | req_set_path1 (req, pathname); |
677 | req->dataptr = SvPVbyte_nolen (req->data); |
|
|
678 | req->fd = flags; |
1477 | req->int1 = flags; |
679 | req->mode = mode; |
1478 | req->int2 = mode; |
680 | |
1479 | |
681 | send_req (req); |
1480 | REQ_SEND; |
682 | } |
1481 | } |
683 | |
1482 | |
684 | void |
1483 | void |
685 | aio_close(fh,callback=&PL_sv_undef) |
1484 | aio_fsync (SV *fh, SV *callback = &PL_sv_undef) |
686 | SV * fh |
|
|
687 | SV * callback |
|
|
688 | PROTOTYPE: $;$ |
|
|
689 | ALIAS: |
1485 | ALIAS: |
690 | aio_close = REQ_CLOSE |
|
|
691 | aio_fsync = REQ_FSYNC |
1486 | aio_fsync = EIO_FSYNC |
692 | aio_fdatasync = REQ_FDATASYNC |
1487 | aio_fdatasync = EIO_FDATASYNC |
|
|
1488 | aio_syncfs = EIO_SYNCFS |
693 | CODE: |
1489 | PPCODE: |
694 | { |
1490 | { |
|
|
1491 | int fd = s_fileno_croak (fh, 0); |
695 | dREQ; |
1492 | dREQ; |
696 | |
1493 | |
697 | req->type = ix; |
1494 | req->type = ix; |
698 | req->fh = newSVsv (fh); |
1495 | req->sv1 = newSVsv (fh); |
699 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1496 | req->int1 = fd; |
700 | |
1497 | |
701 | send_req (req); |
1498 | REQ_SEND; |
702 | } |
1499 | } |
703 | |
1500 | |
704 | void |
1501 | void |
|
|
1502 | aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef) |
|
|
1503 | PPCODE: |
|
|
1504 | { |
|
|
1505 | int fd = s_fileno_croak (fh, 0); |
|
|
1506 | dREQ; |
|
|
1507 | |
|
|
1508 | req->type = EIO_SYNC_FILE_RANGE; |
|
|
1509 | req->sv1 = newSVsv (fh); |
|
|
1510 | req->int1 = fd; |
|
|
1511 | req->offs = offset; |
|
|
1512 | req->size = nbytes; |
|
|
1513 | req->int2 = flags; |
|
|
1514 | |
|
|
1515 | REQ_SEND; |
|
|
1516 | } |
|
|
1517 | |
|
|
1518 | void |
|
|
1519 | aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef) |
|
|
1520 | PPCODE: |
|
|
1521 | { |
|
|
1522 | int fd = s_fileno_croak (fh, 0); |
|
|
1523 | dREQ; |
|
|
1524 | |
|
|
1525 | req->type = EIO_FALLOCATE; |
|
|
1526 | req->sv1 = newSVsv (fh); |
|
|
1527 | req->int1 = fd; |
|
|
1528 | req->int2 = mode; |
|
|
1529 | req->offs = offset; |
|
|
1530 | req->size = len; |
|
|
1531 | |
|
|
1532 | REQ_SEND; |
|
|
1533 | } |
|
|
1534 | |
|
|
1535 | void |
|
|
1536 | aio_close (SV *fh, SV *callback = &PL_sv_undef) |
|
|
1537 | PPCODE: |
|
|
1538 | { |
|
|
1539 | int fd = s_fileno_croak (fh, 0); |
|
|
1540 | dREQ; |
|
|
1541 | #if 0 |
|
|
1542 | /* partially duplicate logic in s_fileno */ |
|
|
1543 | SvGETMAGIC (fh); |
|
|
1544 | |
|
|
1545 | if (SvROK (fh)) |
|
|
1546 | { |
|
|
1547 | fh = SvRV (fh); |
|
|
1548 | SvGETMAGIC (fh); |
|
|
1549 | } |
|
|
1550 | |
|
|
1551 | if (SvTYPE (fh) == SVt_PVGV) |
|
|
1552 | { |
|
|
1553 | /* perl filehandle */ |
|
|
1554 | PerlIOUnix_refcnt_inc (fd); |
|
|
1555 | do_close ((GV *)fh, 1); |
|
|
1556 | |
|
|
1557 | req->type = EIO_CLOSE; |
|
|
1558 | req->int1 = fd; |
|
|
1559 | /*req->sv2 = newSVsv (fh);*/ /* since we stole the fd, no need to keep the fh */ |
|
|
1560 | } |
|
|
1561 | else |
|
|
1562 | #endif |
|
|
1563 | { |
|
|
1564 | /* fd number */ |
|
|
1565 | req->type = EIO_DUP2; |
|
|
1566 | req->int1 = close_fd; |
|
|
1567 | req->sv2 = newSVsv (fh); |
|
|
1568 | req->int2 = fd; |
|
|
1569 | } |
|
|
1570 | |
|
|
1571 | REQ_SEND; |
|
|
1572 | } |
|
|
1573 | |
|
|
1574 | void |
|
|
1575 | aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef) |
|
|
1576 | PPCODE: |
|
|
1577 | { |
|
|
1578 | int fd = s_fileno_croak (fh, 0); |
|
|
1579 | dREQ; |
|
|
1580 | |
|
|
1581 | req->type = EIO_SEEK; |
|
|
1582 | req->sv1 = newSVsv (fh); |
|
|
1583 | req->int1 = fd; |
|
|
1584 | req->offs = SvVAL64 (offset); |
|
|
1585 | req->int2 = whence; |
|
|
1586 | |
|
|
1587 | REQ_SEND; |
|
|
1588 | } |
|
|
1589 | |
|
|
1590 | void |
705 | aio_read(fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
1591 | aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef) |
706 | SV * fh |
|
|
707 | UV offset |
|
|
708 | UV length |
|
|
709 | SV * data |
|
|
710 | UV dataoffset |
|
|
711 | SV * callback |
|
|
712 | ALIAS: |
1592 | ALIAS: |
713 | aio_read = REQ_READ |
1593 | aio_read = EIO_READ |
714 | aio_write = REQ_WRITE |
1594 | aio_write = EIO_WRITE |
715 | PROTOTYPE: $$$$$;$ |
|
|
716 | CODE: |
1595 | PPCODE: |
717 | { |
1596 | { |
718 | aio_req req; |
|
|
719 | STRLEN svlen; |
1597 | STRLEN svlen; |
|
|
1598 | int fd = s_fileno_croak (fh, ix == EIO_WRITE); |
720 | char *svptr = SvPVbyte (data, svlen); |
1599 | char *svptr = SvPVbyte (data, svlen); |
721 | |
1600 | UV len = SvUV (length); |
722 | SvUPGRADE (data, SVt_PV); |
|
|
723 | SvPOK_on (data); |
|
|
724 | |
1601 | |
725 | if (dataoffset < 0) |
1602 | if (dataoffset < 0) |
726 | dataoffset += svlen; |
1603 | dataoffset += svlen; |
727 | |
1604 | |
728 | if (dataoffset < 0 || dataoffset > svlen) |
1605 | if (dataoffset < 0 || dataoffset > svlen) |
729 | croak ("data offset outside of string"); |
1606 | croak ("dataoffset outside of data scalar"); |
730 | |
1607 | |
731 | if (ix == REQ_WRITE) |
1608 | if (ix == EIO_WRITE) |
732 | { |
1609 | { |
733 | /* write: check length and adjust. */ |
1610 | /* write: check length and adjust. */ |
734 | if (length < 0 || length + dataoffset > svlen) |
1611 | if (!SvOK (length) || len + dataoffset > svlen) |
735 | length = svlen - dataoffset; |
1612 | len = svlen - dataoffset; |
736 | } |
1613 | } |
737 | else |
1614 | else |
738 | { |
1615 | { |
739 | /* read: grow scalar as necessary */ |
1616 | /* read: check type and grow scalar as necessary */ |
|
|
1617 | if (!SvPOK (data) || SvLEN (data) >= SvCUR (data)) |
740 | svptr = SvGROW (data, length + dataoffset); |
1618 | svptr = sv_grow (data, len + dataoffset + 1); |
|
|
1619 | else if (SvCUR (data) < len + dataoffset) |
|
|
1620 | croak ("length + dataoffset outside of scalar, and cannot grow"); |
741 | } |
1621 | } |
742 | |
|
|
743 | if (length < 0) |
|
|
744 | croak ("length must not be negative"); |
|
|
745 | |
1622 | |
746 | { |
1623 | { |
747 | dREQ; |
1624 | dREQ; |
748 | |
1625 | |
749 | req->type = ix; |
1626 | req->type = ix; |
750 | req->fh = newSVsv (fh); |
1627 | req->sv1 = newSVsv (fh); |
751 | req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
1628 | req->int1 = fd; |
752 | : IoOFP (sv_2io (fh))); |
1629 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
753 | req->offset = offset; |
1630 | req->size = len; |
754 | req->length = length; |
|
|
755 | req->data = SvREFCNT_inc (data); |
1631 | req->sv2 = SvREFCNT_inc (data); |
756 | req->dataptr = (char *)svptr + dataoffset; |
1632 | req->ptr2 = (char *)svptr + dataoffset; |
|
|
1633 | req->stroffset = dataoffset; |
757 | |
1634 | |
758 | if (!SvREADONLY (data)) |
1635 | if (!SvREADONLY (data)) |
759 | { |
1636 | { |
760 | SvREADONLY_on (data); |
1637 | SvREADONLY_on (data); |
761 | req->data2ptr = (void *)data; |
1638 | req->flags |= FLAG_SV2_RO_OFF; |
762 | } |
1639 | } |
763 | |
1640 | |
764 | send_req (req); |
1641 | REQ_SEND; |
765 | } |
1642 | } |
766 | } |
1643 | } |
767 | |
1644 | |
768 | void |
1645 | void |
769 | aio_sendfile(out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) |
1646 | aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef) |
770 | SV * out_fh |
|
|
771 | SV * in_fh |
|
|
772 | UV in_offset |
|
|
773 | UV length |
|
|
774 | SV * callback |
|
|
775 | PROTOTYPE: $$$$;$ |
|
|
776 | CODE: |
|
|
777 | { |
|
|
778 | dREQ; |
|
|
779 | |
|
|
780 | req->type = REQ_SENDFILE; |
|
|
781 | req->fh = newSVsv (out_fh); |
|
|
782 | req->fd = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
|
|
783 | req->fh2 = newSVsv (in_fh); |
|
|
784 | req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
|
|
785 | req->offset = in_offset; |
|
|
786 | req->length = length; |
|
|
787 | |
|
|
788 | send_req (req); |
|
|
789 | } |
|
|
790 | |
|
|
791 | void |
|
|
792 | aio_readahead(fh,offset,length,callback=&PL_sv_undef) |
|
|
793 | SV * fh |
|
|
794 | UV offset |
|
|
795 | IV length |
|
|
796 | SV * callback |
|
|
797 | PROTOTYPE: $$$;$ |
|
|
798 | CODE: |
|
|
799 | { |
|
|
800 | dREQ; |
|
|
801 | |
|
|
802 | req->type = REQ_READAHEAD; |
|
|
803 | req->fh = newSVsv (fh); |
|
|
804 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
|
|
805 | req->offset = offset; |
|
|
806 | req->length = length; |
|
|
807 | |
|
|
808 | send_req (req); |
|
|
809 | } |
|
|
810 | |
|
|
811 | void |
|
|
812 | aio_stat(fh_or_path,callback=&PL_sv_undef) |
|
|
813 | SV * fh_or_path |
|
|
814 | SV * callback |
|
|
815 | ALIAS: |
1647 | ALIAS: |
816 | aio_stat = REQ_STAT |
1648 | aio_ioctl = EIO_IOCTL |
817 | aio_lstat = REQ_LSTAT |
1649 | aio_fcntl = EIO_FCNTL |
818 | CODE: |
1650 | PPCODE: |
819 | { |
1651 | { |
820 | dREQ; |
1652 | int fd = s_fileno_croak (fh, 0); |
|
|
1653 | char *svptr; |
821 | |
1654 | |
822 | New (0, req->statdata, 1, Stat_t); |
1655 | if (SvPOK (arg) || !SvNIOK (arg)) |
823 | if (!req->statdata) |
|
|
824 | { |
1656 | { |
825 | free_req (req); |
1657 | STRLEN svlen; |
826 | croak ("out of memory during aio_req->statdata allocation"); |
1658 | /* perl uses IOCPARM_LEN for fcntl, so we do, too */ |
827 | } |
1659 | #ifdef IOCPARM_LEN |
|
|
1660 | STRLEN need = IOCPARM_LEN (request); |
|
|
1661 | #else |
|
|
1662 | STRLEN need = 256; |
|
|
1663 | #endif |
828 | |
1664 | |
829 | if (SvPOK (fh_or_path)) |
1665 | if (svlen < need) |
830 | { |
1666 | svptr = SvGROW (arg, need); |
831 | req->type = ix; |
|
|
832 | req->data = newSVsv (fh_or_path); |
|
|
833 | req->dataptr = SvPVbyte_nolen (req->data); |
|
|
834 | } |
1667 | } |
835 | else |
1668 | else |
|
|
1669 | svptr = (char *)SvIV (arg); |
|
|
1670 | |
836 | { |
1671 | { |
|
|
1672 | dREQ; |
|
|
1673 | |
837 | req->type = REQ_FSTAT; |
1674 | req->type = ix; |
838 | req->fh = newSVsv (fh_or_path); |
1675 | req->sv1 = newSVsv (fh); |
839 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1676 | req->int1 = fd; |
|
|
1677 | req->int2 = (long)request; |
|
|
1678 | req->sv2 = SvREFCNT_inc (arg); |
|
|
1679 | req->ptr2 = svptr; |
|
|
1680 | |
|
|
1681 | REQ_SEND; |
840 | } |
1682 | } |
841 | |
|
|
842 | send_req (req); |
|
|
843 | } |
1683 | } |
844 | |
1684 | |
845 | void |
1685 | void |
846 | aio_unlink(pathname,callback=&PL_sv_undef) |
1686 | aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef) |
847 | SV * pathname |
|
|
848 | SV * callback |
|
|
849 | ALIAS: |
1687 | ALIAS: |
850 | aio_unlink = REQ_UNLINK |
1688 | aio_readlink = EIO_READLINK |
851 | aio_rmdir = REQ_RMDIR |
1689 | aio_realpath = EIO_REALPATH |
|
|
1690 | PPCODE: |
|
|
1691 | { |
|
|
1692 | dREQ; |
|
|
1693 | |
|
|
1694 | req->type = ix; |
|
|
1695 | req_set_path1 (req, pathname); |
|
|
1696 | |
|
|
1697 | REQ_SEND; |
|
|
1698 | } |
|
|
1699 | |
|
|
1700 | void |
|
|
1701 | aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef) |
|
|
1702 | PPCODE: |
|
|
1703 | { |
|
|
1704 | int ifd = s_fileno_croak (in_fh , 0); |
|
|
1705 | int ofd = s_fileno_croak (out_fh, 1); |
|
|
1706 | dREQ; |
|
|
1707 | |
|
|
1708 | req->type = EIO_SENDFILE; |
|
|
1709 | req->sv1 = newSVsv (out_fh); |
|
|
1710 | req->int1 = ofd; |
|
|
1711 | req->sv2 = newSVsv (in_fh); |
|
|
1712 | req->int2 = ifd; |
|
|
1713 | req->offs = in_offset; |
|
|
1714 | req->size = length; |
|
|
1715 | |
|
|
1716 | REQ_SEND; |
|
|
1717 | } |
|
|
1718 | |
|
|
1719 | void |
|
|
1720 | aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef) |
|
|
1721 | PPCODE: |
|
|
1722 | { |
|
|
1723 | int fd = s_fileno_croak (fh, 0); |
|
|
1724 | dREQ; |
|
|
1725 | |
|
|
1726 | req->type = EIO_READAHEAD; |
|
|
1727 | req->sv1 = newSVsv (fh); |
|
|
1728 | req->int1 = fd; |
|
|
1729 | req->offs = offset; |
|
|
1730 | req->size = length; |
|
|
1731 | |
|
|
1732 | REQ_SEND; |
|
|
1733 | } |
|
|
1734 | |
|
|
1735 | void |
|
|
1736 | aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef) |
|
|
1737 | ALIAS: |
|
|
1738 | aio_stat = EIO_STAT |
|
|
1739 | aio_lstat = EIO_LSTAT |
|
|
1740 | aio_statvfs = EIO_STATVFS |
|
|
1741 | PPCODE: |
|
|
1742 | { |
|
|
1743 | dREQ; |
|
|
1744 | |
|
|
1745 | req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path); |
|
|
1746 | |
|
|
1747 | REQ_SEND; |
|
|
1748 | } |
|
|
1749 | |
|
|
1750 | void |
|
|
1751 | st_xtime () |
|
|
1752 | ALIAS: |
|
|
1753 | st_atime = 0x01 |
|
|
1754 | st_mtime = 0x02 |
|
|
1755 | st_ctime = 0x04 |
|
|
1756 | st_btime = 0x08 |
|
|
1757 | st_xtime = 0x0f |
|
|
1758 | PPCODE: |
|
|
1759 | EXTEND (SP, 4); |
|
|
1760 | if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC)); |
|
|
1761 | if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC)); |
|
|
1762 | if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC)); |
|
|
1763 | if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC)); |
|
|
1764 | |
|
|
1765 | void |
|
|
1766 | st_xtimensec () |
|
|
1767 | ALIAS: |
|
|
1768 | st_atimensec = 0x01 |
|
|
1769 | st_mtimensec = 0x02 |
|
|
1770 | st_ctimensec = 0x04 |
|
|
1771 | st_btimensec = 0x08 |
|
|
1772 | st_xtimensec = 0x0f |
|
|
1773 | st_btimesec = 0x10 |
|
|
1774 | st_gen = 0x20 |
|
|
1775 | PPCODE: |
|
|
1776 | EXTEND (SP, 4); |
|
|
1777 | if (ix & 0x01) PUSHs (newSViv (ATIMENSEC)); |
|
|
1778 | if (ix & 0x02) PUSHs (newSViv (MTIMENSEC)); |
|
|
1779 | if (ix & 0x04) PUSHs (newSViv (CTIMENSEC)); |
|
|
1780 | if (ix & 0x08) PUSHs (newSViv (BTIMENSEC)); |
|
|
1781 | if (ix & 0x10) PUSHs (newSVuv (BTIMESEC)); |
|
|
1782 | if (ix & 0x20) PUSHs (newSVuv (ST_GEN)); |
|
|
1783 | |
|
|
1784 | UV |
|
|
1785 | major (UV dev) |
|
|
1786 | ALIAS: |
|
|
1787 | minor = 1 |
852 | CODE: |
1788 | CODE: |
|
|
1789 | RETVAL = ix ? minor (dev) : major (dev); |
|
|
1790 | OUTPUT: |
|
|
1791 | RETVAL |
|
|
1792 | |
|
|
1793 | UV |
|
|
1794 | makedev (UV maj, UV min) |
|
|
1795 | CODE: |
|
|
1796 | RETVAL = makedev (maj, min); |
|
|
1797 | OUTPUT: |
|
|
1798 | RETVAL |
|
|
1799 | |
|
|
1800 | void |
|
|
1801 | aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef) |
|
|
1802 | PPCODE: |
|
|
1803 | { |
|
|
1804 | dREQ; |
|
|
1805 | |
|
|
1806 | req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; |
|
|
1807 | req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; |
|
|
1808 | req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path); |
|
|
1809 | |
|
|
1810 | REQ_SEND; |
|
|
1811 | } |
|
|
1812 | |
|
|
1813 | void |
|
|
1814 | aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef) |
|
|
1815 | PPCODE: |
|
|
1816 | { |
|
|
1817 | dREQ; |
|
|
1818 | |
|
|
1819 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
|
|
1820 | req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path); |
|
|
1821 | |
|
|
1822 | REQ_SEND; |
|
|
1823 | } |
|
|
1824 | |
|
|
1825 | void |
|
|
1826 | aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef) |
|
|
1827 | PPCODE: |
|
|
1828 | { |
|
|
1829 | dREQ; |
|
|
1830 | |
|
|
1831 | req->int2 = mode; |
|
|
1832 | req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path); |
|
|
1833 | |
|
|
1834 | REQ_SEND; |
|
|
1835 | } |
|
|
1836 | |
|
|
1837 | void |
|
|
1838 | aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef) |
|
|
1839 | PPCODE: |
|
|
1840 | { |
|
|
1841 | dREQ; |
|
|
1842 | |
|
|
1843 | req->int2 = SvOK (uid) ? SvIV (uid) : -1; |
|
|
1844 | req->int3 = SvOK (gid) ? SvIV (gid) : -1; |
|
|
1845 | req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path); |
|
|
1846 | |
|
|
1847 | REQ_SEND; |
|
|
1848 | } |
|
|
1849 | |
|
|
1850 | void |
|
|
1851 | aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef) |
|
|
1852 | PPCODE: |
|
|
1853 | { |
|
|
1854 | dREQ; |
|
|
1855 | |
|
|
1856 | req->type = EIO_READDIR; |
|
|
1857 | req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; |
|
|
1858 | |
|
|
1859 | if (flags & EIO_READDIR_DENTS) |
|
|
1860 | req->int1 |= EIO_READDIR_CUSTOM2; |
|
|
1861 | |
|
|
1862 | req_set_path1 (req, pathname); |
|
|
1863 | |
|
|
1864 | REQ_SEND; |
|
|
1865 | } |
|
|
1866 | |
|
|
1867 | void |
|
|
1868 | aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef) |
|
|
1869 | PPCODE: |
|
|
1870 | { |
|
|
1871 | dREQ; |
|
|
1872 | |
|
|
1873 | req->type = EIO_MKDIR; |
|
|
1874 | req->int2 = mode; |
|
|
1875 | req_set_path1 (req, pathname); |
|
|
1876 | |
|
|
1877 | REQ_SEND; |
|
|
1878 | } |
|
|
1879 | |
|
|
1880 | void |
|
|
1881 | aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef) |
|
|
1882 | ALIAS: |
|
|
1883 | aio_unlink = EIO_UNLINK |
|
|
1884 | aio_rmdir = EIO_RMDIR |
|
|
1885 | aio_readdir = EIO_READDIR |
|
|
1886 | PPCODE: |
853 | { |
1887 | { |
854 | dREQ; |
1888 | dREQ; |
855 | |
1889 | |
856 | req->type = ix; |
1890 | req->type = ix; |
857 | req->data = newSVsv (pathname); |
1891 | req_set_path1 (req, pathname); |
858 | req->dataptr = SvPVbyte_nolen (req->data); |
|
|
859 | |
|
|
860 | send_req (req); |
|
|
861 | } |
|
|
862 | |
1892 | |
|
|
1893 | REQ_SEND; |
|
|
1894 | } |
|
|
1895 | |
863 | void |
1896 | void |
864 | aio_symlink(oldpath,newpath,callback=&PL_sv_undef) |
1897 | aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef) |
865 | SV * oldpath |
1898 | ALIAS: |
866 | SV * newpath |
1899 | aio_link = EIO_LINK |
867 | SV * callback |
1900 | aio_symlink = EIO_SYMLINK |
|
|
1901 | aio_rename = EIO_RENAME |
868 | CODE: |
1902 | PPCODE: |
869 | { |
1903 | { |
|
|
1904 | eio_wd wd2 = 0; |
870 | dREQ; |
1905 | dREQ; |
871 | |
1906 | |
872 | req->type = REQ_SYMLINK; |
1907 | req->type = ix; |
873 | req->fh = newSVsv (oldpath); |
1908 | req_set_path1 (req, oldpath); |
874 | req->data2ptr = SvPVbyte_nolen (req->fh); |
1909 | req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); |
875 | req->data = newSVsv (newpath); |
1910 | req->int3 = (long)wd2; |
876 | req->dataptr = SvPVbyte_nolen (req->data); |
|
|
877 | |
1911 | |
878 | send_req (req); |
1912 | REQ_SEND; |
879 | } |
1913 | } |
880 | |
1914 | |
881 | void |
1915 | void |
882 | flush() |
1916 | aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef) |
883 | PROTOTYPE: |
1917 | PPCODE: |
|
|
1918 | { |
|
|
1919 | eio_wd wd2 = 0; |
|
|
1920 | dREQ; |
|
|
1921 | |
|
|
1922 | req->type = EIO_RENAME; |
|
|
1923 | req_set_path1 (req, oldpath); |
|
|
1924 | req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); |
|
|
1925 | req->int2 = flags; |
|
|
1926 | req->int3 = (long)wd2; |
|
|
1927 | |
|
|
1928 | REQ_SEND; |
|
|
1929 | } |
|
|
1930 | |
|
|
1931 | void |
|
|
1932 | aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef) |
|
|
1933 | PPCODE: |
|
|
1934 | { |
|
|
1935 | dREQ; |
|
|
1936 | |
|
|
1937 | req->type = EIO_MKNOD; |
|
|
1938 | req->int2 = (mode_t)mode; |
|
|
1939 | req->offs = dev; |
|
|
1940 | req_set_path1 (req, pathname); |
|
|
1941 | |
|
|
1942 | REQ_SEND; |
|
|
1943 | } |
|
|
1944 | |
|
|
1945 | void |
|
|
1946 | aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef) |
|
|
1947 | ALIAS: |
|
|
1948 | aio_mtouch = EIO_MTOUCH |
|
|
1949 | aio_msync = EIO_MSYNC |
|
|
1950 | PPCODE: |
|
|
1951 | { |
|
|
1952 | STRLEN svlen; |
|
|
1953 | char *svptr = SvPVbyte (data, svlen); |
|
|
1954 | UV len = SvUV (length); |
|
|
1955 | |
|
|
1956 | if (flags < 0) |
|
|
1957 | flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0; |
|
|
1958 | |
|
|
1959 | if (offset < 0) |
|
|
1960 | offset += svlen; |
|
|
1961 | |
|
|
1962 | if (offset < 0 || offset > svlen) |
|
|
1963 | croak ("offset outside of scalar"); |
|
|
1964 | |
|
|
1965 | if (!SvOK (length) || len + offset > svlen) |
|
|
1966 | len = svlen - offset; |
|
|
1967 | |
|
|
1968 | { |
|
|
1969 | dREQ; |
|
|
1970 | |
|
|
1971 | req->type = ix; |
|
|
1972 | req->sv2 = SvREFCNT_inc (data); |
|
|
1973 | req->ptr2 = (char *)svptr + offset; |
|
|
1974 | req->size = len; |
|
|
1975 | req->int1 = flags; |
|
|
1976 | |
|
|
1977 | REQ_SEND; |
|
|
1978 | } |
|
|
1979 | } |
|
|
1980 | |
|
|
1981 | void |
|
|
1982 | aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef) |
|
|
1983 | PPCODE: |
|
|
1984 | { |
|
|
1985 | STRLEN svlen; |
|
|
1986 | char *svptr = SvPVbyte (data, svlen); |
|
|
1987 | UV len = SvUV (length); |
|
|
1988 | |
|
|
1989 | if (offset < 0) |
|
|
1990 | offset += svlen; |
|
|
1991 | |
|
|
1992 | if (offset < 0 || offset > svlen) |
|
|
1993 | croak ("offset outside of scalar"); |
|
|
1994 | |
|
|
1995 | if (!SvOK (length) || len + offset > svlen) |
|
|
1996 | len = svlen - offset; |
|
|
1997 | |
|
|
1998 | { |
|
|
1999 | dREQ; |
|
|
2000 | |
|
|
2001 | req->type = EIO_MLOCK; |
|
|
2002 | req->sv2 = SvREFCNT_inc (data); |
|
|
2003 | req->ptr2 = (char *)svptr + offset; |
|
|
2004 | req->size = len; |
|
|
2005 | |
|
|
2006 | REQ_SEND; |
|
|
2007 | } |
|
|
2008 | } |
|
|
2009 | |
|
|
2010 | void |
|
|
2011 | aio_mlockall (IV flags, SV *callback = &PL_sv_undef) |
|
|
2012 | PPCODE: |
|
|
2013 | { |
|
|
2014 | dREQ; |
|
|
2015 | |
|
|
2016 | req->type = EIO_MLOCKALL; |
|
|
2017 | req->int1 = flags; |
|
|
2018 | |
|
|
2019 | REQ_SEND; |
|
|
2020 | } |
|
|
2021 | |
|
|
2022 | void |
|
|
2023 | aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef) |
|
|
2024 | PPCODE: |
|
|
2025 | { |
|
|
2026 | int fd = s_fileno_croak (fh, 0); |
|
|
2027 | dREQ; |
|
|
2028 | |
|
|
2029 | req->type = EIO_CUSTOM; |
|
|
2030 | req->sv1 = newSVsv (fh); |
|
|
2031 | req->int1 = fd; |
|
|
2032 | |
|
|
2033 | req->feed = fiemap; |
|
|
2034 | #if HAVE_FIEMAP |
|
|
2035 | /* keep our fingers crossed that the next two types are 64 bit */ |
|
|
2036 | req->offs = start; |
|
|
2037 | req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL; |
|
|
2038 | req->int2 = flags; |
|
|
2039 | req->int3 = SvOK (count) ? SvIV (count) : -1; |
|
|
2040 | #endif |
|
|
2041 | |
|
|
2042 | REQ_SEND; |
|
|
2043 | } |
|
|
2044 | |
|
|
2045 | void |
|
|
2046 | aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef) |
|
|
2047 | PPCODE: |
|
|
2048 | { |
|
|
2049 | char *svptr = 0; |
|
|
2050 | |
|
|
2051 | sv_clear_foreign (data); |
|
|
2052 | |
|
|
2053 | if (length) /* known length, directly read into scalar */ |
|
|
2054 | { |
|
|
2055 | if (!SvPOK (data) || SvLEN (data) >= SvCUR (data)) |
|
|
2056 | svptr = sv_grow (data, length + 1); |
|
|
2057 | else if (SvCUR (data) < length) |
|
|
2058 | croak ("length outside of scalar, and cannot grow"); |
|
|
2059 | else |
|
|
2060 | svptr = SvPVbyte_nolen (data); |
|
|
2061 | } |
|
|
2062 | |
|
|
2063 | { |
|
|
2064 | dREQ; |
|
|
2065 | |
|
|
2066 | req->type = EIO_SLURP; |
|
|
2067 | req_set_path1 (req, pathname); |
|
|
2068 | req->offs = offset; |
|
|
2069 | req->size = length; |
|
|
2070 | req->sv2 = SvREFCNT_inc (data); |
|
|
2071 | req->ptr2 = svptr; |
|
|
2072 | |
|
|
2073 | if (!SvREADONLY (data)) |
|
|
2074 | { |
|
|
2075 | SvREADONLY_on (data); |
|
|
2076 | req->flags |= FLAG_SV2_RO_OFF; |
|
|
2077 | } |
|
|
2078 | |
|
|
2079 | REQ_SEND; |
|
|
2080 | } |
|
|
2081 | } |
|
|
2082 | |
|
|
2083 | void |
|
|
2084 | aio_busy (double delay, SV *callback = &PL_sv_undef) |
|
|
2085 | PPCODE: |
|
|
2086 | { |
|
|
2087 | dREQ; |
|
|
2088 | |
|
|
2089 | req->type = EIO_BUSY; |
|
|
2090 | req->nv1 = delay < 0. ? 0. : delay; |
|
|
2091 | |
|
|
2092 | REQ_SEND; |
|
|
2093 | } |
|
|
2094 | |
|
|
2095 | void |
|
|
2096 | aio_group (SV *callback = &PL_sv_undef) |
|
|
2097 | PPCODE: |
|
|
2098 | { |
|
|
2099 | dREQ; |
|
|
2100 | |
|
|
2101 | req->type = EIO_GROUP; |
|
|
2102 | |
|
|
2103 | PUTBACK; |
|
|
2104 | req_submit (req); |
|
|
2105 | SPAGAIN; |
|
|
2106 | |
|
|
2107 | XPUSHs (req_sv (req, aio_grp_stash)); |
|
|
2108 | } |
|
|
2109 | |
|
|
2110 | void |
|
|
2111 | aio_nop (SV *callback = &PL_sv_undef) |
|
|
2112 | ALIAS: |
|
|
2113 | aio_nop = EIO_NOP |
|
|
2114 | aio_sync = EIO_SYNC |
|
|
2115 | PPCODE: |
|
|
2116 | { |
|
|
2117 | dREQ; |
|
|
2118 | |
|
|
2119 | req->type = ix; |
|
|
2120 | |
|
|
2121 | REQ_SEND; |
|
|
2122 | } |
|
|
2123 | |
|
|
2124 | int |
|
|
2125 | aioreq_pri (int pri = NO_INIT) |
884 | CODE: |
2126 | CODE: |
|
|
2127 | RETVAL = next_pri; |
|
|
2128 | if (items > 0) |
|
|
2129 | { |
|
|
2130 | if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; |
|
|
2131 | if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX; |
|
|
2132 | next_pri = pri; |
|
|
2133 | } |
|
|
2134 | OUTPUT: |
|
|
2135 | RETVAL |
|
|
2136 | |
|
|
2137 | void |
|
|
2138 | aioreq_nice (int nice = 0) |
|
|
2139 | CODE: |
|
|
2140 | nice = next_pri - nice; |
|
|
2141 | if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN; |
|
|
2142 | if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; |
|
|
2143 | next_pri = nice; |
|
|
2144 | |
|
|
2145 | void |
|
|
2146 | flush () |
|
|
2147 | CODE: |
885 | while (nreqs) |
2148 | while (eio_nreqs ()) |
886 | { |
2149 | { |
887 | poll_wait (); |
2150 | poll_wait (); |
888 | poll_cb (); |
2151 | poll_cb (); |
889 | } |
2152 | } |
890 | |
2153 | |
891 | void |
2154 | int |
892 | poll() |
2155 | poll () |
893 | PROTOTYPE: |
|
|
894 | CODE: |
2156 | CODE: |
895 | if (nreqs) |
|
|
896 | { |
|
|
897 | poll_wait (); |
2157 | poll_wait (); |
898 | poll_cb (); |
2158 | RETVAL = poll_cb (); |
899 | } |
|
|
900 | |
|
|
901 | int |
|
|
902 | poll_fileno() |
|
|
903 | PROTOTYPE: |
|
|
904 | CODE: |
|
|
905 | RETVAL = respipe [0]; |
|
|
906 | OUTPUT: |
2159 | OUTPUT: |
907 | RETVAL |
2160 | RETVAL |
908 | |
2161 | |
909 | int |
2162 | int |
|
|
2163 | poll_fileno () |
|
|
2164 | CODE: |
|
|
2165 | RETVAL = s_epipe_fd (&respipe); |
|
|
2166 | OUTPUT: |
|
|
2167 | RETVAL |
|
|
2168 | |
|
|
2169 | int |
910 | poll_cb(...) |
2170 | poll_cb (...) |
911 | PROTOTYPE: |
2171 | PROTOTYPE: |
912 | CODE: |
2172 | CODE: |
913 | RETVAL = poll_cb (); |
2173 | RETVAL = poll_cb (); |
914 | OUTPUT: |
2174 | OUTPUT: |
915 | RETVAL |
2175 | RETVAL |
916 | |
2176 | |
917 | void |
2177 | void |
918 | poll_wait() |
2178 | poll_wait () |
|
|
2179 | CODE: |
|
|
2180 | poll_wait (); |
|
|
2181 | |
|
|
2182 | int |
|
|
2183 | nreqs () |
|
|
2184 | CODE: |
|
|
2185 | RETVAL = eio_nreqs (); |
|
|
2186 | OUTPUT: |
|
|
2187 | RETVAL |
|
|
2188 | |
|
|
2189 | int |
|
|
2190 | nready () |
|
|
2191 | CODE: |
|
|
2192 | RETVAL = eio_nready (); |
|
|
2193 | OUTPUT: |
|
|
2194 | RETVAL |
|
|
2195 | |
|
|
2196 | int |
|
|
2197 | npending () |
|
|
2198 | CODE: |
|
|
2199 | RETVAL = eio_npending (); |
|
|
2200 | OUTPUT: |
|
|
2201 | RETVAL |
|
|
2202 | |
|
|
2203 | int |
|
|
2204 | nthreads () |
|
|
2205 | CODE: |
|
|
2206 | RETVAL = eio_nthreads (); |
|
|
2207 | OUTPUT: |
|
|
2208 | RETVAL |
|
|
2209 | |
|
|
2210 | int |
|
|
2211 | fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) |
|
|
2212 | CODE: |
|
|
2213 | RETVAL = posix_fadvise (fh, offset, length, advice); |
|
|
2214 | OUTPUT: |
|
|
2215 | RETVAL |
|
|
2216 | |
|
|
2217 | IV |
|
|
2218 | sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) |
|
|
2219 | CODE: |
|
|
2220 | RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); |
|
|
2221 | OUTPUT: |
|
|
2222 | RETVAL |
|
|
2223 | |
|
|
2224 | void |
|
|
2225 | mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0) |
|
|
2226 | PPCODE: |
|
|
2227 | sv_clear_foreign (scalar); |
|
|
2228 | { |
|
|
2229 | int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; |
|
|
2230 | void *addr = (void *)mmap (0, length, prot, flags, fd, offset); |
|
|
2231 | if (addr == (void *)-1) |
|
|
2232 | XSRETURN_NO; |
|
|
2233 | |
|
|
2234 | sv_set_foreign (scalar, &mmap_vtbl, addr, length); |
|
|
2235 | |
|
|
2236 | if (!(prot & PROT_WRITE)) |
|
|
2237 | SvREADONLY_on (scalar); |
|
|
2238 | |
|
|
2239 | XSRETURN_YES; |
|
|
2240 | } |
|
|
2241 | |
|
|
2242 | void |
|
|
2243 | munmap (SV *scalar) |
|
|
2244 | CODE: |
|
|
2245 | sv_clear_foreign (scalar); |
|
|
2246 | |
|
|
2247 | SV * |
|
|
2248 | mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0) |
|
|
2249 | CODE: |
|
|
2250 | { |
|
|
2251 | MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl); |
|
|
2252 | void *new; |
|
|
2253 | |
|
|
2254 | if (!mg || SvPVX (scalar) != mg->mg_ptr) |
|
|
2255 | croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified"); |
|
|
2256 | |
|
|
2257 | new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address); |
|
|
2258 | |
|
|
2259 | RETVAL = &PL_sv_no; |
|
|
2260 | |
|
|
2261 | if (new != (void *)-1) |
|
|
2262 | { |
|
|
2263 | RETVAL = new == (void *)mg->mg_ptr |
|
|
2264 | ? newSVpvn ("0 but true", 10) |
|
|
2265 | : &PL_sv_yes; |
|
|
2266 | |
|
|
2267 | mg->mg_ptr = (char *)new; |
|
|
2268 | mg->mg_obj = (SV *)new_length; |
|
|
2269 | |
|
|
2270 | SvPVX (scalar) = mg->mg_ptr; |
|
|
2271 | SvCUR_set (scalar, new_length); |
|
|
2272 | } |
|
|
2273 | } |
|
|
2274 | OUTPUT: |
|
|
2275 | RETVAL |
|
|
2276 | |
|
|
2277 | int |
|
|
2278 | madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) |
|
|
2279 | ALIAS: |
|
|
2280 | mprotect = 1 |
|
|
2281 | CODE: |
|
|
2282 | { |
|
|
2283 | STRLEN svlen; |
|
|
2284 | void *addr = SvPVbyte (scalar, svlen); |
|
|
2285 | STRLEN len = SvUV (length); |
|
|
2286 | |
|
|
2287 | if (offset < 0) |
|
|
2288 | offset += svlen; |
|
|
2289 | |
|
|
2290 | if (offset < 0 || offset > svlen) |
|
|
2291 | croak ("offset outside of scalar"); |
|
|
2292 | |
|
|
2293 | if (!SvOK (length) || len + offset > svlen) |
|
|
2294 | len = svlen - offset; |
|
|
2295 | |
|
|
2296 | addr = (void *)(((intptr_t)addr) + offset); |
|
|
2297 | eio_page_align (&addr, &len); |
|
|
2298 | |
|
|
2299 | switch (ix) |
|
|
2300 | { |
|
|
2301 | case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break; |
|
|
2302 | case 1: RETVAL = mprotect (addr, len, advice_or_prot); break; |
|
|
2303 | } |
|
|
2304 | } |
|
|
2305 | OUTPUT: |
|
|
2306 | RETVAL |
|
|
2307 | |
|
|
2308 | int |
|
|
2309 | munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef) |
|
|
2310 | CODE: |
|
|
2311 | { |
|
|
2312 | STRLEN svlen; |
|
|
2313 | void *addr = SvPVbyte (scalar, svlen); |
|
|
2314 | size_t len = SvUV (length); |
|
|
2315 | |
|
|
2316 | if (offset < 0) |
|
|
2317 | offset += svlen; |
|
|
2318 | |
|
|
2319 | if (offset < 0 || offset > svlen) |
|
|
2320 | croak ("offset outside of scalar"); |
|
|
2321 | |
|
|
2322 | if (!SvOK (length) || len + offset > svlen) |
|
|
2323 | len = svlen - offset; |
|
|
2324 | |
|
|
2325 | addr = (void *)(((intptr_t)addr) + offset); |
|
|
2326 | eio_page_align (&addr, &len); |
|
|
2327 | #if _POSIX_MEMLOCK_RANGE |
|
|
2328 | RETVAL = munlock (addr, len); |
|
|
2329 | #else |
|
|
2330 | RETVAL = EIO_ENOSYS (); |
|
|
2331 | #endif |
|
|
2332 | } |
|
|
2333 | OUTPUT: |
|
|
2334 | RETVAL |
|
|
2335 | |
|
|
2336 | int |
|
|
2337 | mlockall (int flags) |
|
|
2338 | PROTOTYPE: $; |
|
|
2339 | CODE: |
|
|
2340 | RETVAL = eio_mlockall_sync (flags); |
|
|
2341 | OUTPUT: |
|
|
2342 | RETVAL |
|
|
2343 | |
|
|
2344 | int |
|
|
2345 | munlockall () |
|
|
2346 | CODE: |
|
|
2347 | #if _POSIX_MEMLOCK |
|
|
2348 | munlockall (); |
|
|
2349 | #else |
|
|
2350 | RETVAL = EIO_ENOSYS (); |
|
|
2351 | #endif |
|
|
2352 | OUTPUT: |
|
|
2353 | RETVAL |
|
|
2354 | |
|
|
2355 | int |
|
|
2356 | statx (SV8 *pathname, int flags, UV mask) |
|
|
2357 | CODE: |
|
|
2358 | { |
|
|
2359 | /* undocumented, and might go away, and anyway, should use eio_statx */ |
|
|
2360 | SV *wdsv = 0; |
|
|
2361 | SV *pathsv = 0; |
|
|
2362 | eio_wd wd = EIO_CWD; |
|
|
2363 | void *ptr; |
|
|
2364 | int res; |
|
|
2365 | |
|
|
2366 | req_set_path (pathname, &wdsv, &pathsv, &wd, &ptr); |
|
|
2367 | RETVAL = eio__statx (!wd || wd->fd == EIO_CWD ? AT_FDCWD : wd->fd, ptr, flags, mask & STATX_ALL, &stx); |
|
|
2368 | |
|
|
2369 | SvREFCNT_dec (pathsv); |
|
|
2370 | SvREFCNT_dec (wdsv); |
|
|
2371 | } |
|
|
2372 | OUTPUT: |
|
|
2373 | RETVAL |
|
|
2374 | |
|
|
2375 | U32 |
|
|
2376 | stx_mode () |
919 | PROTOTYPE: |
2377 | PROTOTYPE: |
920 | CODE: |
2378 | CODE: |
|
|
2379 | #if HAVE_STATX |
|
|
2380 | RETVAL = stx.stx_mode; |
|
|
2381 | #else |
|
|
2382 | XSRETURN_UNDEF; |
|
|
2383 | #endif |
|
|
2384 | OUTPUT: |
|
|
2385 | RETVAL |
|
|
2386 | |
|
|
2387 | #define STATX_OFFSET_mask statx_offsetof (stx_mask) |
|
|
2388 | #define STATX_OFFSET_blksize statx_offsetof (stx_blksize) |
|
|
2389 | #define STATX_OFFSET_nlink statx_offsetof (stx_nlink) |
|
|
2390 | #define STATX_OFFSET_uid statx_offsetof (stx_uid) |
|
|
2391 | #define STATX_OFFSET_gid statx_offsetof (stx_gid) |
|
|
2392 | #define STATX_OFFSET_rdev_major statx_offsetof (stx_rdev_major) |
|
|
2393 | #define STATX_OFFSET_rdev_minor statx_offsetof (stx_rdev_minor) |
|
|
2394 | #define STATX_OFFSET_dev_major statx_offsetof (stx_dev_major) |
|
|
2395 | #define STATX_OFFSET_dev_minor statx_offsetof (stx_dev_minor) |
|
|
2396 | #define STATX_OFFSET_attributes statx_offsetof (stx_attributes) |
|
|
2397 | #define STATX_OFFSET_ino statx_offsetof (stx_ino) |
|
|
2398 | #define STATX_OFFSET_size statx_offsetof (stx_size) |
|
|
2399 | #define STATX_OFFSET_blocks statx_offsetof (stx_blocks) |
|
|
2400 | #define STATX_OFFSET_attributes_mask statx_offsetof (stx_attributes_mask) |
|
|
2401 | #define STATX_OFFSET_atime statx_offsetof (stx_atime) |
|
|
2402 | #define STATX_OFFSET_btime statx_offsetof (stx_btime) |
|
|
2403 | #define STATX_OFFSET_ctime statx_offsetof (stx_ctime) |
|
|
2404 | #define STATX_OFFSET_mtime statx_offsetof (stx_mtime) |
|
|
2405 | |
|
|
2406 | U32 |
|
|
2407 | stx_mask () |
|
|
2408 | PROTOTYPE: |
|
|
2409 | ALIAS: |
|
|
2410 | stx_mask = STATX_OFFSET_mask |
|
|
2411 | stx_blksize = STATX_OFFSET_blksize |
|
|
2412 | stx_nlink = STATX_OFFSET_nlink |
|
|
2413 | stx_uid = STATX_OFFSET_uid |
|
|
2414 | stx_gid = STATX_OFFSET_gid |
|
|
2415 | stx_rdev_major = STATX_OFFSET_rdev_major |
|
|
2416 | stx_rdev_minor = STATX_OFFSET_rdev_minor |
|
|
2417 | stx_dev_major = STATX_OFFSET_dev_major |
|
|
2418 | stx_dev_minor = STATX_OFFSET_dev_minor |
|
|
2419 | CODE: |
|
|
2420 | #if HAVE_STATX |
|
|
2421 | RETVAL = *(__u32 *)((char *)&stx + ix); |
|
|
2422 | #else |
|
|
2423 | XSRETURN_UNDEF; |
|
|
2424 | #endif |
|
|
2425 | OUTPUT: |
|
|
2426 | RETVAL |
|
|
2427 | |
|
|
2428 | VAL64 |
|
|
2429 | stx_attributes () |
|
|
2430 | PROTOTYPE: |
|
|
2431 | ALIAS: |
|
|
2432 | stx_attributes = STATX_OFFSET_attributes |
|
|
2433 | stx_ino = STATX_OFFSET_ino |
|
|
2434 | stx_size = STATX_OFFSET_size |
|
|
2435 | stx_blocks = STATX_OFFSET_blocks |
|
|
2436 | stx_attributes_mask = STATX_OFFSET_attributes_mask |
|
|
2437 | CODE: |
|
|
2438 | #if HAVE_STATX |
|
|
2439 | RETVAL = *(__u64 *)((char *)&stx + ix); |
|
|
2440 | #else |
|
|
2441 | XSRETURN_UNDEF; |
|
|
2442 | #endif |
|
|
2443 | OUTPUT: |
|
|
2444 | RETVAL |
|
|
2445 | |
|
|
2446 | NV |
|
|
2447 | stx_atime () |
|
|
2448 | PROTOTYPE: |
|
|
2449 | ALIAS: |
|
|
2450 | stx_atime = STATX_OFFSET_atime |
|
|
2451 | stx_btime = STATX_OFFSET_btime |
|
|
2452 | stx_ctime = STATX_OFFSET_ctime |
|
|
2453 | stx_mtime = STATX_OFFSET_mtime |
|
|
2454 | CODE: |
|
|
2455 | #if HAVE_STATX |
|
|
2456 | struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix); |
|
|
2457 | RETVAL = ts->tv_sec + ts->tv_nsec * 1e-9; |
|
|
2458 | #else |
|
|
2459 | XSRETURN_UNDEF; |
|
|
2460 | #endif |
|
|
2461 | OUTPUT: |
|
|
2462 | RETVAL |
|
|
2463 | |
|
|
2464 | VAL64 |
|
|
2465 | stx_atimesec () |
|
|
2466 | PROTOTYPE: |
|
|
2467 | ALIAS: |
|
|
2468 | stx_atimesec = STATX_OFFSET_atime |
|
|
2469 | stx_btimesec = STATX_OFFSET_btime |
|
|
2470 | stx_ctimesec = STATX_OFFSET_ctime |
|
|
2471 | stx_mtimesec = STATX_OFFSET_mtime |
|
|
2472 | CODE: |
|
|
2473 | #if HAVE_STATX |
|
|
2474 | struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix); |
|
|
2475 | RETVAL = ts->tv_sec; |
|
|
2476 | #else |
|
|
2477 | XSRETURN_UNDEF; |
|
|
2478 | #endif |
|
|
2479 | OUTPUT: |
|
|
2480 | RETVAL |
|
|
2481 | |
|
|
2482 | U32 |
|
|
2483 | stx_atimensec () |
|
|
2484 | PROTOTYPE: |
|
|
2485 | ALIAS: |
|
|
2486 | stx_atimensec = STATX_OFFSET_atime |
|
|
2487 | stx_btimensec = STATX_OFFSET_btime |
|
|
2488 | stx_ctimensec = STATX_OFFSET_ctime |
|
|
2489 | stx_mtimensec = STATX_OFFSET_mtime |
|
|
2490 | CODE: |
|
|
2491 | #if HAVE_STATX |
|
|
2492 | struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix); |
|
|
2493 | RETVAL = ts->tv_nsec; |
|
|
2494 | #else |
|
|
2495 | RETVAL = 0; |
|
|
2496 | #endif |
|
|
2497 | OUTPUT: |
|
|
2498 | RETVAL |
|
|
2499 | |
|
|
2500 | void |
|
|
2501 | accept4 (aio_rfd rfh, SV *sockaddr, int salen, int flags) |
|
|
2502 | PPCODE: |
|
|
2503 | { |
|
|
2504 | SV *retval; |
|
|
2505 | #if HAVE_ACCEPT4 |
|
|
2506 | socklen_t salen_ = salen ? salen + 1 : 0; |
|
|
2507 | |
921 | if (nreqs) |
2508 | if (salen) |
922 | poll_wait (); |
2509 | { |
|
|
2510 | sv_upgrade (sockaddr, SVt_PV); |
|
|
2511 | sv_grow (sockaddr, salen_); |
|
|
2512 | } |
|
|
2513 | |
|
|
2514 | int res = accept4 (rfh, salen ? (struct sockaddr *)SvPVX (sockaddr) : 0, salen ? &salen_ : 0, flags); |
|
|
2515 | |
|
|
2516 | retval = newmortalFH (res, O_RDWR); |
|
|
2517 | sv_dump(retval); |
|
|
2518 | |
|
|
2519 | if (res >= 0 && salen > 0) |
|
|
2520 | { |
|
|
2521 | if (salen_ > salen + 1) |
|
|
2522 | salen_ = salen + 1; |
|
|
2523 | |
|
|
2524 | SvPOK_only (sockaddr); |
|
|
2525 | SvCUR_set (sockaddr, salen_); |
|
|
2526 | } |
|
|
2527 | #else |
|
|
2528 | errno = ENOSYS; |
|
|
2529 | retval = &PL_sv_undef; |
|
|
2530 | #endif |
|
|
2531 | XPUSHs (retval); |
|
|
2532 | } |
923 | |
2533 | |
924 | int |
2534 | int |
925 | nreqs() |
2535 | splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags) |
|
|
2536 | CODE: |
|
|
2537 | { |
|
|
2538 | #if HAVE_LINUX_SPLICE |
|
|
2539 | loff_t off_in_, off_out_; |
|
|
2540 | RETVAL = splice ( |
|
|
2541 | rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0, |
|
|
2542 | wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0, |
|
|
2543 | length, flags |
|
|
2544 | ); |
|
|
2545 | #else |
|
|
2546 | RETVAL = EIO_ENOSYS (); |
|
|
2547 | #endif |
|
|
2548 | } |
|
|
2549 | OUTPUT: |
|
|
2550 | RETVAL |
|
|
2551 | |
|
|
2552 | int |
|
|
2553 | tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags) |
|
|
2554 | CODE: |
|
|
2555 | #if HAVE_LINUX_SPLICE |
|
|
2556 | RETVAL = tee (rfh, wfh, length, flags); |
|
|
2557 | #else |
|
|
2558 | RETVAL = EIO_ENOSYS (); |
|
|
2559 | #endif |
|
|
2560 | OUTPUT: |
|
|
2561 | RETVAL |
|
|
2562 | |
|
|
2563 | int |
|
|
2564 | pipesize (aio_rfd rfh, int new_size = -1) |
|
|
2565 | PROTOTYPE: $;$ |
|
|
2566 | CODE: |
|
|
2567 | #if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ) |
|
|
2568 | if (new_size >= 0) |
|
|
2569 | RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size); |
|
|
2570 | else |
|
|
2571 | RETVAL = fcntl (rfh, F_GETPIPE_SZ); |
|
|
2572 | #else |
|
|
2573 | errno = ENOSYS; |
|
|
2574 | RETVAL = -1; |
|
|
2575 | #endif |
|
|
2576 | OUTPUT: |
|
|
2577 | RETVAL |
|
|
2578 | |
|
|
2579 | void |
|
|
2580 | pipe2 (int flags = 0) |
926 | PROTOTYPE: |
2581 | PROTOTYPE: ;$ |
|
|
2582 | PPCODE: |
|
|
2583 | { |
|
|
2584 | int fd[2]; |
|
|
2585 | int res; |
|
|
2586 | |
|
|
2587 | if (flags) |
|
|
2588 | #if HAVE_PIPE2 |
|
|
2589 | res = pipe2 (fd, flags); |
|
|
2590 | #else |
|
|
2591 | res = (errno = ENOSYS, -1); |
|
|
2592 | #endif |
|
|
2593 | else |
|
|
2594 | res = pipe (fd); |
|
|
2595 | |
|
|
2596 | if (!res) |
|
|
2597 | { |
|
|
2598 | EXTEND (SP, 2); |
|
|
2599 | PUSHs (newmortalFH (fd[0], O_RDONLY)); |
|
|
2600 | PUSHs (newmortalFH (fd[1], O_WRONLY)); |
|
|
2601 | } |
|
|
2602 | } |
|
|
2603 | |
|
|
2604 | void |
|
|
2605 | eventfd (unsigned int initval = 0, int flags = 0) |
|
|
2606 | PPCODE: |
|
|
2607 | { |
|
|
2608 | int fd; |
|
|
2609 | #if HAVE_EVENTFD |
|
|
2610 | fd = eventfd (initval, flags); |
|
|
2611 | #else |
|
|
2612 | fd = (errno = ENOSYS, -1); |
|
|
2613 | #endif |
|
|
2614 | |
|
|
2615 | XPUSHs (newmortalFH (fd, O_RDWR)); |
|
|
2616 | } |
|
|
2617 | |
|
|
2618 | void |
|
|
2619 | timerfd_create (int clockid, int flags = 0) |
|
|
2620 | PPCODE: |
|
|
2621 | { |
|
|
2622 | int fd; |
|
|
2623 | #if HAVE_TIMERFD |
|
|
2624 | fd = timerfd_create (clockid, flags); |
|
|
2625 | #else |
|
|
2626 | fd = (errno = ENOSYS, -1); |
|
|
2627 | #endif |
|
|
2628 | |
|
|
2629 | XPUSHs (newmortalFH (fd, O_RDWR)); |
|
|
2630 | } |
|
|
2631 | |
|
|
2632 | void |
|
|
2633 | timerfd_settime (SV *fh, int flags, NV interval, NV value) |
|
|
2634 | PPCODE: |
|
|
2635 | { |
|
|
2636 | int fd = s_fileno_croak (fh, 0); |
|
|
2637 | #if HAVE_TIMERFD |
|
|
2638 | int res; |
|
|
2639 | struct itimerspec its, ots; |
|
|
2640 | |
|
|
2641 | ts_set (&its.it_interval, interval); |
|
|
2642 | ts_set (&its.it_value , value); |
|
|
2643 | res = timerfd_settime (fd, flags, &its, &ots); |
|
|
2644 | |
|
|
2645 | if (!res) |
|
|
2646 | { |
|
|
2647 | EXTEND (SP, 2); |
|
|
2648 | PUSHs (newSVnv (ts_get (&ots.it_interval))); |
|
|
2649 | PUSHs (newSVnv (ts_get (&ots.it_value))); |
|
|
2650 | } |
|
|
2651 | #else |
|
|
2652 | errno = ENOSYS; |
|
|
2653 | #endif |
|
|
2654 | } |
|
|
2655 | |
|
|
2656 | void |
|
|
2657 | timerfd_gettime (SV *fh) |
|
|
2658 | PPCODE: |
|
|
2659 | { |
|
|
2660 | int fd = s_fileno_croak (fh, 0); |
|
|
2661 | #if HAVE_TIMERFD |
|
|
2662 | int res; |
|
|
2663 | struct itimerspec ots; |
|
|
2664 | res = timerfd_gettime (fd, &ots); |
|
|
2665 | |
|
|
2666 | if (!res) |
|
|
2667 | { |
|
|
2668 | EXTEND (SP, 2); |
|
|
2669 | PUSHs (newSVnv (ts_get (&ots.it_interval))); |
|
|
2670 | PUSHs (newSVnv (ts_get (&ots.it_value))); |
|
|
2671 | } |
|
|
2672 | #else |
|
|
2673 | errno = ENOSYS; |
|
|
2674 | #endif |
|
|
2675 | } |
|
|
2676 | |
|
|
2677 | void |
|
|
2678 | memfd_create (SV8 *pathname, int flags = 0) |
|
|
2679 | PPCODE: |
|
|
2680 | { |
|
|
2681 | int fd; |
|
|
2682 | #if HAVE_MEMFD_CREATE |
|
|
2683 | fd = memfd_create (SvPVbyte_nolen (pathname), flags); |
|
|
2684 | #else |
|
|
2685 | fd = (errno = ENOSYS, -1); |
|
|
2686 | #endif |
|
|
2687 | |
|
|
2688 | XPUSHs (newmortalFH (fd, O_RDWR)); |
|
|
2689 | } |
|
|
2690 | |
|
|
2691 | UV |
|
|
2692 | get_fdlimit () |
927 | CODE: |
2693 | CODE: |
928 | RETVAL = nreqs; |
2694 | #if HAVE_RLIMITS |
|
|
2695 | struct rlimit rl; |
|
|
2696 | if (0 == getrlimit (RLIMIT_NOFILE, &rl)) |
|
|
2697 | XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur); |
|
|
2698 | #endif |
|
|
2699 | XSRETURN_UNDEF; |
929 | OUTPUT: |
2700 | OUTPUT: |
930 | RETVAL |
2701 | RETVAL |
931 | |
2702 | |
|
|
2703 | void |
|
|
2704 | min_fdlimit (UV limit = 0x7fffffffU) |
|
|
2705 | CODE: |
|
|
2706 | { |
|
|
2707 | #if HAVE_RLIMITS |
|
|
2708 | struct rlimit rl; |
|
|
2709 | rlim_t orig_rlim_max; |
|
|
2710 | UV bit; |
|
|
2711 | |
|
|
2712 | if (0 != getrlimit (RLIMIT_NOFILE, &rl)) |
|
|
2713 | goto fail; |
|
|
2714 | |
|
|
2715 | if (rl.rlim_cur == RLIM_INFINITY) |
|
|
2716 | XSRETURN_YES; |
|
|
2717 | |
|
|
2718 | orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max; |
|
|
2719 | |
|
|
2720 | if (rl.rlim_cur < limit) |
|
|
2721 | { |
|
|
2722 | rl.rlim_cur = limit; |
|
|
2723 | |
|
|
2724 | if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY) |
|
|
2725 | rl.rlim_max = rl.rlim_cur; |
|
|
2726 | } |
|
|
2727 | |
|
|
2728 | if (0 == setrlimit (RLIMIT_NOFILE, &rl)) |
|
|
2729 | XSRETURN_YES; |
|
|
2730 | |
|
|
2731 | if (errno == EPERM) |
|
|
2732 | { |
|
|
2733 | /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */ |
|
|
2734 | /* our limit overflows a system-wide limit */ |
|
|
2735 | /* try an adaptive algorithm, but do not lower the hardlimit */ |
|
|
2736 | rl.rlim_max = 0; |
|
|
2737 | for (bit = 0x40000000U; bit; bit >>= 1) |
|
|
2738 | { |
|
|
2739 | rl.rlim_max |= bit; |
|
|
2740 | rl.rlim_cur = rl.rlim_max; |
|
|
2741 | |
|
|
2742 | /* nevr decrease the hard limit */ |
|
|
2743 | if (rl.rlim_max < orig_rlim_max) |
|
|
2744 | break; |
|
|
2745 | |
|
|
2746 | if (0 != setrlimit (RLIMIT_NOFILE, &rl)) |
|
|
2747 | rl.rlim_max &= ~bit; /* too high, remove bit again */ |
|
|
2748 | } |
|
|
2749 | |
|
|
2750 | /* now, raise the soft limit to the max permitted */ |
|
|
2751 | if (0 == getrlimit (RLIMIT_NOFILE, &rl)) |
|
|
2752 | { |
|
|
2753 | rl.rlim_cur = rl.rlim_max; |
|
|
2754 | if (0 == setrlimit (RLIMIT_NOFILE, &rl)) |
|
|
2755 | errno = EPERM; |
|
|
2756 | } |
|
|
2757 | } |
|
|
2758 | #endif |
|
|
2759 | fail: |
|
|
2760 | XSRETURN_UNDEF; |
|
|
2761 | } |
|
|
2762 | |
|
|
2763 | void _on_next_submit (SV *cb) |
|
|
2764 | CODE: |
|
|
2765 | SvREFCNT_dec (on_next_submit); |
|
|
2766 | on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
|
|
2767 | |
|
|
2768 | PROTOTYPES: DISABLE |
|
|
2769 | |
|
|
2770 | MODULE = IO::AIO PACKAGE = IO::AIO::WD |
|
|
2771 | |
|
|
2772 | BOOT: |
|
|
2773 | { |
|
|
2774 | newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD )); |
|
|
2775 | newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD)); |
|
|
2776 | } |
|
|
2777 | |
|
|
2778 | void |
|
|
2779 | DESTROY (SV *self) |
|
|
2780 | CODE: |
|
|
2781 | { |
|
|
2782 | aio_wd wd = SvAIO_WD (self); |
|
|
2783 | #if HAVE_AT |
|
|
2784 | { |
|
|
2785 | SV *callback = &PL_sv_undef; |
|
|
2786 | dREQ; /* clobbers next_pri :/ */ |
|
|
2787 | next_pri = req->pri; /* restore next_pri */ |
|
|
2788 | req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */ |
|
|
2789 | req->type = EIO_WD_CLOSE; |
|
|
2790 | req->wd = wd; |
|
|
2791 | REQ_SEND; |
|
|
2792 | } |
|
|
2793 | #else |
|
|
2794 | eio_wd_close_sync (wd); |
|
|
2795 | #endif |
|
|
2796 | } |
|
|
2797 | |
|
|
2798 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
|
|
2799 | |
|
|
2800 | void |
|
|
2801 | cancel (aio_req_ornot req) |
|
|
2802 | CODE: |
|
|
2803 | eio_cancel (req); |
|
|
2804 | |
|
|
2805 | void |
|
|
2806 | cb (aio_req_ornot req, SV *callback = NO_INIT) |
|
|
2807 | PPCODE: |
|
|
2808 | { |
|
|
2809 | if (GIMME_V != G_VOID) |
|
|
2810 | XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); |
|
|
2811 | |
|
|
2812 | if (items > 1) |
|
|
2813 | { |
|
|
2814 | SV *cb_cv = get_cb (callback); |
|
|
2815 | |
|
|
2816 | SvREFCNT_dec (req->callback); |
|
|
2817 | req->callback = SvREFCNT_inc (cb_cv); |
|
|
2818 | } |
|
|
2819 | } |
|
|
2820 | |
|
|
2821 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
|
|
2822 | |
|
|
2823 | void |
|
|
2824 | add (aio_req grp, ...) |
|
|
2825 | PPCODE: |
|
|
2826 | { |
|
|
2827 | int i; |
|
|
2828 | |
|
|
2829 | if (grp->int1 == 2) |
|
|
2830 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
|
|
2831 | |
|
|
2832 | for (i = 1; i < items; ++i ) |
|
|
2833 | { |
|
|
2834 | aio_req req; |
|
|
2835 | |
|
|
2836 | if (GIMME_V != G_VOID) |
|
|
2837 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
|
|
2838 | |
|
|
2839 | req = SvAIO_REQ (ST (i)); |
|
|
2840 | |
|
|
2841 | if (req) |
|
|
2842 | eio_grp_add (grp, req); |
|
|
2843 | } |
|
|
2844 | } |
|
|
2845 | |
|
|
2846 | void |
|
|
2847 | cancel_subs (aio_req_ornot req) |
|
|
2848 | CODE: |
|
|
2849 | req_cancel_subs (req); |
|
|
2850 | |
|
|
2851 | void |
|
|
2852 | result (aio_req grp, ...) |
|
|
2853 | CODE: |
|
|
2854 | { |
|
|
2855 | int i; |
|
|
2856 | AV *av; |
|
|
2857 | |
|
|
2858 | grp->errorno = errno; |
|
|
2859 | |
|
|
2860 | av = newAV (); |
|
|
2861 | av_extend (av, items - 1); |
|
|
2862 | |
|
|
2863 | for (i = 1; i < items; ++i ) |
|
|
2864 | av_push (av, newSVsv (ST (i))); |
|
|
2865 | |
|
|
2866 | SvREFCNT_dec (grp->sv1); |
|
|
2867 | grp->sv1 = (SV *)av; |
|
|
2868 | } |
|
|
2869 | |
|
|
2870 | void |
|
|
2871 | errno (aio_req grp, int errorno = errno) |
|
|
2872 | CODE: |
|
|
2873 | grp->errorno = errorno; |
|
|
2874 | |
|
|
2875 | void |
|
|
2876 | limit (aio_req grp, int limit) |
|
|
2877 | CODE: |
|
|
2878 | eio_grp_limit (grp, limit); |
|
|
2879 | |
|
|
2880 | void |
|
|
2881 | feed (aio_req grp, SV *callback = &PL_sv_undef) |
|
|
2882 | CODE: |
|
|
2883 | { |
|
|
2884 | SvREFCNT_dec (grp->sv2); |
|
|
2885 | grp->sv2 = newSVsv (callback); |
|
|
2886 | grp->feed = aio_grp_feed; |
|
|
2887 | |
|
|
2888 | if (grp->int2 <= 0) |
|
|
2889 | grp->int2 = 2; |
|
|
2890 | |
|
|
2891 | eio_grp_limit (grp, grp->int2); |
|
|
2892 | } |
|
|
2893 | |