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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.107 by root, Wed Oct 3 21:27:51 2007 UTC vs.
Revision 1.239 by root, Tue Feb 23 19:42:43 2016 UTC

1#include "xthread.h" 1#include "libeio/xthread.h"
2 2
3#include <errno.h> 3#include <errno.h>
4 4
5#include "EXTERN.h" 5#include "EXTERN.h"
6#include "perl.h" 6#include "perl.h"
7#include "XSUB.h" 7#include "XSUB.h"
8
9#include "schmorp.h"
8 10
9#include <stddef.h> 11#include <stddef.h>
10#include <stdlib.h> 12#include <stdlib.h>
11#include <errno.h> 13#include <errno.h>
12#include <sys/types.h> 14#include <sys/types.h>
13#include <sys/stat.h> 15#include <sys/stat.h>
14#include <limits.h> 16#include <limits.h>
15#include <fcntl.h> 17#include <fcntl.h>
16#include <sched.h> 18#include <sched.h>
17 19
20#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
21# include <sys/mman.h>
22#endif
23
24/* the incompetent fool that created musl keeps __linux__, refuses
25 * to implement any linux standard apis, and also has no way to test
26 * for his broken iplementation. on't complain if this fails for you.
27 */
28#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
29# include <linux/fs.h>
30# ifdef FS_IOC_FIEMAP
31# include <linux/types.h>
32# include <linux/fiemap.h>
33# define HAVE_FIEMAP 1
34# endif
35#endif
36
37/* perl namespace pollution */
38#undef VERSION
39
40/* perl stupidly overrides readdir and maybe others */
41/* with thread-unsafe versions, imagine that :( */
42#undef readdir
43#undef opendir
44#undef closedir
45
18#ifdef _WIN32 46#ifdef _WIN32
19 47
20# define SIGIO 0 48 // perl overrides all those nice libc functions
21 typedef Direntry_t X_DIRENT; 49
22#undef malloc 50 #undef malloc
23#undef free 51 #undef free
24
25// perl overrides all those nice win32 functions
26# undef open 52 #undef open
27# undef read 53 #undef read
28# undef write 54 #undef write
29# undef send 55 #undef send
30# undef recv 56 #undef recv
31# undef stat 57 #undef stat
58 #undef lstat
32# undef fstat 59 #undef fstat
33# define lstat stat
34# undef truncate 60 #undef truncate
35# undef ftruncate 61 #undef ftruncate
36# undef open 62 #undef open
63 #undef link
37# undef close 64 #undef close
38# undef unlink 65 #undef unlink
66 #undef mkdir
39# undef rmdir 67 #undef rmdir
40# undef rename 68 #undef rename
41# undef lseek 69 #undef lseek
70 #undef opendir
71 #undef readdir
72 #undef closedir
73 #undef chmod
74 #undef fchmod
75 #undef dup
76 #undef dup2
77 #undef abort
78 #undef pipe
42 79
43# define chown(a,b,c) (errno = ENOSYS, -1) 80 #define EIO_STRUCT_STAT struct _stati64
44# define fchown(a,b,c) (errno = ENOSYS, -1) 81 #define EIO_STRUCT_STATI64
45# define fchmod(a,b) (errno = ENOSYS, -1)
46# define symlink(a,b) (errno = ENOSYS, -1)
47# define readlink(a,b,c) (errno = ENOSYS, -1)
48# define mknod(a,b,c) (errno = ENOSYS, -1)
49# define truncate(a,b) (errno = ENOSYS, -1)
50# define ftruncate(fd,o) chsize ((fd), (o))
51# define fsync(fd) _commit (fd)
52# define opendir(fd) (errno = ENOSYS, 0)
53# define readdir(fd) (errno = ENOSYS, -1)
54# define closedir(fd) (errno = ENOSYS, -1)
55# define mkdir(a,b) mkdir (a)
56 82
57#else 83#else
58 84
59# include "autoconf/config.h"
60# include <sys/time.h> 85 #include <sys/time.h>
61# include <sys/select.h> 86 #include <sys/select.h>
62# include <unistd.h> 87 #include <unistd.h>
63# include <utime.h> 88 #include <utime.h>
64# include <signal.h> 89 #include <signal.h>
65 typedef struct dirent X_DIRENT;
66 90
67#endif 91 #define EIO_STRUCT_STAT Stat_t
68 92
69#if HAVE_SENDFILE 93#endif
70# if __linux 94
71# include <sys/sendfile.h> 95/*****************************************************************************/
72# elif __freebsd 96
73# include <sys/socket.h> 97#if __GNUC__ >= 3
74# include <sys/uio.h> 98# define expect(expr,value) __builtin_expect ((expr),(value))
75# elif __hpux 99#else
76# include <sys/socket.h> 100# define expect(expr,value) (expr)
77# elif __solaris /* not yet */ 101#endif
78# include <sys/sendfile.h> 102
103#define expect_false(expr) expect ((expr) != 0, 0)
104#define expect_true(expr) expect ((expr) != 0, 1)
105
106/*****************************************************************************/
107
108typedef SV SV8; /* byte-sv, used for argument-checking */
109typedef int aio_rfd; /* read file desriptor */
110typedef int aio_wfd; /* write file descriptor */
111
112static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
113
114#define EIO_REQ_MEMBERS \
115 SV *callback; \
116 SV *sv1, *sv2; \
117 SV *sv3, *sv4; \
118 STRLEN stroffset; \
119 SV *self;
120
121#define EIO_NO_WRAPPERS 1
122
123#include "libeio/config.h"
124#include "libeio/eio.h"
125
126static int req_invoke (eio_req *req);
127#define EIO_FINISH(req) req_invoke (req)
128static void req_destroy (eio_req *grp);
129#define EIO_DESTROY(req) req_destroy (req)
130
131#include "libeio/eio.c"
132
133#if !HAVE_POSIX_FADVISE
134# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
135#endif
136
137#if !HAVE_POSIX_MADVISE
138# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
139#endif
140
141#ifndef MAP_ANONYMOUS
142# ifdef MAP_ANON
143# define MAP_ANONYMOUS MAP_ANON
79# else 144# else
80# error sendfile support requested but not available 145# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
81# endif 146# endif
82#endif 147#endif
83 148
84/* number of seconds after which idle threads exit */ 149/* defines all sorts of constants to 0 unless they are already defined */
85#define IDLE_TIMEOUT 10 150/* also provides const_iv_ and const_niv_ macros for them */
151#include "def0.h"
86 152
87/* used for struct dirent, AIX doesn't provide it */ 153#ifndef makedev
88#ifndef NAME_MAX 154# define makedev(maj,min) (((maj) << 8) | (min))
89# define NAME_MAX 4096
90#endif 155#endif
91 156#ifndef major
92/* buffer size for various temporary buffers */ 157# define major(dev) ((dev) >> 8)
93#define AIO_BUFSIZE 65536
94
95/* use NV for 32 bit perls as it allows larger offsets */
96#if IVSIZE >= 8
97# define SvVAL64 SvIV
98#else
99# define SvVAL64 SvNV
100#endif 158#endif
159#ifndef minor
160# define minor(dev) ((dev) & 0xff)
161#endif
101 162
102static HV *stash; 163#if PAGESIZE <= 0
164# define PAGESIZE sysconf (_SC_PAGESIZE)
165#endif
103 166
104#define dBUF \ 167/*****************************************************************************/
105 char *aio_buf; \
106 X_LOCK (wrklock); \
107 self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \
108 X_UNLOCK (wrklock); \
109 if (!aio_buf) \
110 return -1;
111 168
112typedef SV SV8; /* byte-sv, used for argument-checking */ 169static void
113 170fiemap (eio_req *req)
114enum {
115 REQ_QUIT,
116 REQ_OPEN, REQ_CLOSE,
117 REQ_READ, REQ_WRITE,
118 REQ_READAHEAD, REQ_SENDFILE,
119 REQ_STAT, REQ_LSTAT, REQ_FSTAT,
120 REQ_TRUNCATE, REQ_FTRUNCATE,
121 REQ_UTIME, REQ_FUTIME,
122 REQ_CHMOD, REQ_FCHMOD,
123 REQ_CHOWN, REQ_FCHOWN,
124 REQ_FSYNC, REQ_FDATASYNC,
125 REQ_UNLINK, REQ_RMDIR, REQ_MKDIR, REQ_RENAME,
126 REQ_MKNOD, REQ_READDIR,
127 REQ_LINK, REQ_SYMLINK, REQ_READLINK,
128 REQ_GROUP, REQ_NOP,
129 REQ_BUSY,
130};
131
132#define AIO_REQ_KLASS "IO::AIO::REQ"
133#define AIO_GRP_KLASS "IO::AIO::GRP"
134
135typedef struct aio_cb
136{ 171{
137 struct aio_cb *volatile next; 172 req->result = -1;
138 173
139 SV *callback; 174#if HAVE_FIEMAP
140 SV *sv1, *sv2; 175 /* assume some c99 */
141 void *ptr1, *ptr2; 176 struct fiemap *fiemap = 0;
142 off_t offs; 177 size_t end_offset;
143 size_t size; 178 int count = req->int3;
144 ssize_t result;
145 double nv1, nv2;
146 179
147 STRLEN stroffset; 180 req->flags |= EIO_FLAG_PTR1_FREE;
148 int type;
149 int int1, int2, int3;
150 int errorno;
151 mode_t mode; /* open */
152 181
153 unsigned char flags; 182 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
154 unsigned char pri; 183 /* increase in 3.5kb steps */
184 if (count < 0)
185 count = 8;
155 186
156 SV *self; /* the perl counterpart of this request, if any */ 187 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
157 struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; 188 errno = ENOMEM;
158} aio_cb; 189 if (!fiemap)
159
160enum {
161 FLAG_CANCELLED = 0x01, /* request was cancelled */
162 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
163 FLAG_PTR2_FREE = 0x80, /* need to free(ptr2) */
164};
165
166typedef aio_cb *aio_req;
167typedef aio_cb *aio_req_ornot;
168
169enum {
170 PRI_MIN = -4,
171 PRI_MAX = 4,
172
173 DEFAULT_PRI = 0,
174 PRI_BIAS = -PRI_MIN,
175 NUM_PRI = PRI_MAX + PRI_BIAS + 1,
176};
177
178#define AIO_TICKS ((1000000 + 1023) >> 10)
179
180static unsigned int max_poll_time = 0;
181static unsigned int max_poll_reqs = 0;
182
183/* calculcate time difference in ~1/AIO_TICKS of a second */
184static int tvdiff (struct timeval *tv1, struct timeval *tv2)
185{
186 return (tv2->tv_sec - tv1->tv_sec ) * AIO_TICKS
187 + ((tv2->tv_usec - tv1->tv_usec) >> 10);
188}
189
190static thread_t main_tid;
191static int main_sig;
192static int block_sig_level;
193
194void block_sig ()
195{
196 sigset_t ss;
197
198 if (block_sig_level++)
199 return; 190 return;
200 191
201 if (!main_sig) 192 req->ptr1 = fiemap;
193
194 fiemap->fm_start = req->offs;
195 fiemap->fm_length = req->size;
196 fiemap->fm_flags = req->int2;
197 fiemap->fm_extent_count = count;
198
199 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
202 return; 200 return;
203 201
204 sigemptyset (&ss); 202 if (req->int3 >= 0 /* not autosizing */
205 sigaddset (&ss, main_sig); 203 || !fiemap->fm_mapped_extents /* no more extents */
206 pthread_sigmask (SIG_BLOCK, &ss, 0); 204 || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
207} 205 goto done;
208 206
209void unblock_sig () 207 /* else we have to loop -
210{ 208 * it would be tempting (actually I tried that first) to just query the
211 sigset_t ss; 209 * number of extents needed, but linux often feels like not returning all
210 * extents, without telling us it left any out. this complicates
211 * this quite a bit.
212 */
212 213
213 if (--block_sig_level) 214 end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
214 return;
215 215
216 if (!main_sig) 216 for (;;)
217 return;
218
219 sigemptyset (&ss);
220 sigaddset (&ss, main_sig);
221 pthread_sigmask (SIG_UNBLOCK, &ss, 0);
222}
223
224static int next_pri = DEFAULT_PRI + PRI_BIAS;
225
226static unsigned int started, idle, wanted;
227
228/* worker threads management */
229static mutex_t wrklock = X_MUTEX_INIT;
230
231typedef struct worker {
232 /* locked by wrklock */
233 struct worker *prev, *next;
234
235 thread_t tid;
236
237 /* locked by reslock, reqlock or wrklock */
238 aio_req req; /* currently processed request */
239 void *dbuf;
240 DIR *dirp;
241} worker;
242
243static worker wrk_first = { &wrk_first, &wrk_first, 0 };
244
245static void worker_clear (worker *wrk)
246{
247 if (wrk->dirp)
248 { 217 {
249 closedir (wrk->dirp); 218 /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
250 wrk->dirp = 0; 219 char scratch[3072];
251 } 220 struct fiemap *incmap = (struct fiemap *)scratch;
252 221
253 if (wrk->dbuf) 222 incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
254 { 223 + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
255 free (wrk->dbuf); 224 incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
256 wrk->dbuf = 0; 225 incmap->fm_flags = fiemap->fm_flags;
257 } 226 incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
258}
259 227
260static void worker_free (worker *wrk) 228 if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
261{
262 wrk->next->prev = wrk->prev;
263 wrk->prev->next = wrk->next;
264
265 free (wrk);
266}
267
268static volatile unsigned int nreqs, nready, npending;
269static volatile unsigned int max_idle = 4;
270static volatile unsigned int max_outstanding = 0xffffffff;
271static int respipe_osf [2], respipe [2] = { -1, -1 };
272
273static mutex_t reslock = X_MUTEX_INIT;
274static mutex_t reqlock = X_MUTEX_INIT;
275static cond_t reqwait = X_COND_INIT;
276
277#if WORDACCESS_UNSAFE
278
279static unsigned int get_nready ()
280{
281 unsigned int retval;
282
283 X_LOCK (reqlock);
284 retval = nready;
285 X_UNLOCK (reqlock);
286
287 return retval;
288}
289
290static unsigned int get_npending ()
291{
292 unsigned int retval;
293
294 X_LOCK (reslock);
295 retval = npending;
296 X_UNLOCK (reslock);
297
298 return retval;
299}
300
301static unsigned int get_nthreads ()
302{
303 unsigned int retval;
304
305 X_LOCK (wrklock);
306 retval = started;
307 X_UNLOCK (wrklock);
308
309 return retval;
310}
311
312#else
313
314# define get_nready() nready
315# define get_npending() npending
316# define get_nthreads() started
317
318#endif
319
320/*
321 * a somewhat faster data structure might be nice, but
322 * with 8 priorities this actually needs <20 insns
323 * per shift, the most expensive operation.
324 */
325typedef struct {
326 aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */
327 int size;
328} reqq;
329
330static reqq req_queue;
331static reqq res_queue;
332
333int reqq_push (reqq *q, aio_req req)
334{
335 int pri = req->pri;
336 req->next = 0;
337
338 if (q->qe[pri])
339 {
340 q->qe[pri]->next = req;
341 q->qe[pri] = req;
342 }
343 else
344 q->qe[pri] = q->qs[pri] = req;
345
346 return q->size++;
347}
348
349aio_req reqq_shift (reqq *q)
350{
351 int pri;
352
353 if (!q->size)
354 return 0; 229 return;
355 230
356 --q->size; 231 if (!incmap->fm_mapped_extents)
232 goto done;
357 233
358 for (pri = NUM_PRI; pri--; ) 234 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
359 { 235 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
360 aio_req req = q->qs[pri]; 236 errno = ENOMEM;
361
362 if (req) 237 if (!fiemap)
238 return;
239
240 req->ptr1 = fiemap;
241
242 for (count = 0; count < incmap->fm_mapped_extents; ++count)
363 { 243 {
364 if (!(q->qs[pri] = req->next)) 244 struct fiemap_extent *e = incmap->fm_extents + count;
365 q->qe[pri] = 0;
366 245
367 return req; 246 if (e->fe_logical + e->fe_length >= end_offset)
247 goto done;
248
249 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
250
251 if (e->fe_flags & FIEMAP_EXTENT_LAST)
252 goto done;
253
368 } 254 }
369 } 255 }
370 256
371 abort (); 257done:
372} 258 req->result = 0;
373 259
374static int poll_cb (); 260#else
375static int req_invoke (aio_req req); 261 errno = ENOSYS;
262#endif
263}
264
265/*****************************************************************************/
266
267enum {
268 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
269};
270
271typedef eio_req *aio_req;
272typedef eio_req *aio_req_ornot;
273typedef eio_wd aio_wd;
274
275static SV *on_next_submit;
276static int next_pri = EIO_PRI_DEFAULT;
277static int max_outstanding;
278
279static s_epipe respipe;
280
376static void req_destroy (aio_req req); 281static void req_destroy (aio_req req);
377static void req_cancel (aio_req req); 282static void req_cancel (aio_req req);
378 283
284static void
285want_poll (void)
286{
287 /* write a dummy byte to the pipe so fh becomes ready */
288 s_epipe_signal (&respipe);
289}
290
291static void
292done_poll (void)
293{
294 /* read any signals sent by the worker threads */
295 s_epipe_drain (&respipe);
296}
297
379/* must be called at most once */ 298/* must be called at most once */
380static SV *req_sv (aio_req req, const char *klass) 299static SV *
300req_sv (aio_req req, HV *stash)
381{ 301{
382 if (!req->self) 302 if (!req->self)
383 { 303 {
384 req->self = (SV *)newHV (); 304 req->self = (SV *)newHV ();
385 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 305 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
386 } 306 }
387 307
388 return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); 308 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
389} 309}
390 310
391static aio_req SvAIO_REQ (SV *sv) 311static SV *
312newSVaio_wd (aio_wd wd)
313{
314 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
315}
316
317static aio_req
318SvAIO_REQ (SV *sv)
392{ 319{
393 MAGIC *mg; 320 MAGIC *mg;
394 321
395 if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) 322 if (!SvROK (sv)
323 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
324 || (SvSTASH (SvRV (sv)) != aio_grp_stash
325 && SvSTASH (SvRV (sv)) != aio_req_stash
326 && !sv_derived_from (sv, "IO::AIO::REQ")))
396 croak ("object of class " AIO_REQ_KLASS " expected"); 327 croak ("object of class IO::AIO::REQ expected");
397 328
398 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 329 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
399 330
400 return mg ? (aio_req)mg->mg_ptr : 0; 331 return mg ? (aio_req)mg->mg_ptr : 0;
401} 332}
402 333
334static aio_wd
335SvAIO_WD (SV *sv)
336{
337 if (!SvROK (sv)
338 || SvTYPE (SvRV (sv)) != SVt_PVMG
339 || SvSTASH (SvRV (sv)) != aio_wd_stash)
340 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
341
342 return (aio_wd)(long)SvIVX (SvRV (sv));
343}
344
345static SV *
346newmortalFH (int fd, int flags)
347{
348 if (fd < 0)
349 return &PL_sv_undef;
350
351 GV *gv = (GV *)sv_newmortal ();
352 char sym[64];
353 int symlen;
354
355 symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
356 gv_init (gv, aio_stash, sym, symlen, 0);
357
358 symlen = snprintf (
359 sym,
360 sizeof (sym),
361 "%s&=%d",
362 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
363 fd
364 );
365
366 return do_open (gv, sym, symlen, 0, 0, 0, 0)
367 ? (SV *)gv : &PL_sv_undef;
368}
369
370static void
403static void aio_grp_feed (aio_req grp) 371aio_grp_feed (aio_req grp)
404{ 372{
405 block_sig (); 373 if (grp->sv2 && SvOK (grp->sv2))
406
407 while (grp->size < grp->int2 && !(grp->flags & FLAG_CANCELLED))
408 { 374 {
409 int old_len = grp->size;
410
411 if (grp->sv2 && SvOK (grp->sv2))
412 {
413 dSP; 375 dSP;
414 376
415 ENTER; 377 ENTER;
416 SAVETMPS; 378 SAVETMPS;
417 PUSHMARK (SP); 379 PUSHMARK (SP);
418 XPUSHs (req_sv (grp, AIO_GRP_KLASS)); 380 XPUSHs (req_sv (grp, aio_grp_stash));
419 PUTBACK; 381 PUTBACK;
420 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); 382 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
421 SPAGAIN; 383 SPAGAIN;
422 FREETMPS; 384 FREETMPS;
423 LEAVE; 385 LEAVE;
424 }
425
426 /* stop if no progress has been made */
427 if (old_len == grp->size)
428 {
429 SvREFCNT_dec (grp->sv2);
430 grp->sv2 = 0;
431 break;
432 }
433 } 386 }
434
435 unblock_sig ();
436} 387}
437 388
438static void aio_grp_dec (aio_req grp) 389static void
390req_submit (eio_req *req)
439{ 391{
440 --grp->size; 392 eio_submit (req);
441 393
442 /* call feeder, if applicable */ 394 if (expect_false (on_next_submit))
443 aio_grp_feed (grp);
444
445 /* finish, if done */
446 if (!grp->size && grp->int1)
447 { 395 {
448 block_sig (); 396 dSP;
397 SV *cb = sv_2mortal (on_next_submit);
449 398
450 if (!req_invoke (grp)) 399 on_next_submit = 0;
451 {
452 req_destroy (grp);
453 unblock_sig ();
454 croak (0);
455 }
456 400
457 req_destroy (grp); 401 PUSHMARK (SP);
458 unblock_sig (); 402 PUTBACK;
403 call_sv (cb, G_DISCARD | G_EVAL);
459 } 404 }
460} 405}
461 406
407static int
462static int req_invoke (aio_req req) 408req_invoke (eio_req *req)
463{ 409{
464 dSP;
465
466 if (req->flags & FLAG_SV2_RO_OFF) 410 if (req->flags & FLAG_SV2_RO_OFF)
467 SvREADONLY_off (req->sv2); 411 SvREADONLY_off (req->sv2);
468 412
469 if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback)) 413 if (!EIO_CANCELLED (req) && req->callback)
470 { 414 {
415 dSP;
416 static SV *sv_result_cache; /* caches the result integer SV */
417 SV *sv_result;
418
471 ENTER; 419 ENTER;
472 SAVETMPS; 420 SAVETMPS;
473 PUSHMARK (SP); 421 PUSHMARK (SP);
474 EXTEND (SP, 1); 422 EXTEND (SP, 1);
475 423
424 /* do not recreate the result IV from scratch each time */
425 if (expect_true (sv_result_cache))
426 {
427 sv_result = sv_result_cache; sv_result_cache = 0;
428 SvIV_set (sv_result, req->result);
429 SvIOK_only (sv_result);
430 }
431 else
432 {
433 sv_result = newSViv (req->result);
434 SvREADONLY_on (sv_result);
435 }
436
476 switch (req->type) 437 switch (req->type)
477 { 438 {
439 case EIO_WD_OPEN:
440 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
441 break;
442
478 case REQ_READDIR: 443 case EIO_READDIR:
479 { 444 {
480 SV *rv = &PL_sv_undef; 445 SV *rv = &PL_sv_undef;
481 446
482 if (req->result >= 0) 447 if (req->result >= 0)
483 { 448 {
484 int i; 449 int i;
485 char *buf = req->ptr2; 450 char *names = (char *)req->ptr2;
451 eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */
486 AV *av = newAV (); 452 AV *av = newAV ();
487 453
488 av_extend (av, req->result - 1); 454 av_extend (av, req->result - 1);
489 455
490 for (i = 0; i < req->result; ++i) 456 for (i = 0; i < req->result; ++i)
491 { 457 {
492 SV *sv = newSVpv (buf, 0); 458 if (req->int1 & EIO_READDIR_DENTS)
459 {
460 SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen);
493 461
462 if (req->int1 & EIO_READDIR_CUSTOM2)
463 {
464 static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */
465 AV *avent = newAV ();
466
467 av_extend (avent, 2);
468
469 if (!sv_type [ent->type])
470 {
471 sv_type [ent->type] = newSViv (ent->type);
472 SvREADONLY_on (sv_type [ent->type]);
473 }
474
475 av_store (avent, 0, namesv);
476 av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type]));
477 av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode));
478
479 av_store (av, i, newRV_noinc ((SV *)avent));
480 }
481 else
494 av_store (av, i, sv); 482 av_store (av, i, namesv);
483
484 ++ent;
485 }
486 else
487 {
488 SV *name = newSVpv (names, 0);
489 av_store (av, i, name);
495 buf += SvCUR (sv) + 1; 490 names += SvCUR (name) + 1;
491 }
496 } 492 }
497 493
498 rv = sv_2mortal (newRV_noinc ((SV *)av)); 494 rv = sv_2mortal (newRV_noinc ((SV *)av));
499 } 495 }
500 496
501 PUSHs (rv); 497 PUSHs (rv);
498
499 if (req->int1 & EIO_READDIR_CUSTOM1)
500 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
502 } 501 }
503 break; 502 break;
504 503
505 case REQ_OPEN: 504 case EIO_OPEN:
505 PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
506 break;
507
508 case EIO_STATVFS:
509 case EIO_FSTATVFS:
506 { 510 {
507 /* convert fd to fh */
508 SV *fh = &PL_sv_undef; 511 SV *rv = &PL_sv_undef;
509 512
513#ifndef _WIN32
510 if (req->result >= 0) 514 if (req->result >= 0)
511 { 515 {
516 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
512 GV *gv = (GV *)sv_newmortal (); 517 HV *hv = newHV ();
513 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); 518 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
514 char sym [64]; 519 * chooses to make it a struct.
515 int symlen;
516 520 */
517 symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result); 521 unsigned long fsid = 0;
518 gv_init (gv, stash, sym, symlen, 0); 522 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
519 523
520 symlen = snprintf ( 524 rv = sv_2mortal (newRV_noinc ((SV *)hv));
521 sym,
522 sizeof (sym),
523 "%s&=%d",
524 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
525 req->result
526 );
527 525
528 if (do_open (gv, sym, symlen, 0, 0, 0, 0)) 526 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
529 fh = gv; 527 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
528 hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
529 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
530 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
531 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
532 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
533 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
534 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
535 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
536 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
530 } 537 }
538#endif
531 539
532 XPUSHs (fh); 540 PUSHs (rv);
533 } 541 }
542
534 break; 543 break;
535 544
536 case REQ_GROUP: 545 case EIO_GROUP:
537 req->int1 = 2; /* mark group as finished */ 546 req->int1 = 2; /* mark group as finished */
538 547
539 if (req->sv1) 548 if (req->sv1)
540 { 549 {
541 int i; 550 int i;
… …
545 for (i = 0; i <= AvFILL (av); ++i) 554 for (i = 0; i <= AvFILL (av); ++i)
546 PUSHs (*av_fetch (av, i, 0)); 555 PUSHs (*av_fetch (av, i, 0));
547 } 556 }
548 break; 557 break;
549 558
550 case REQ_NOP: 559 case EIO_NOP:
551 case REQ_BUSY: 560 case EIO_BUSY:
552 break; 561 break;
553 562
554 case REQ_READLINK: 563 case EIO_READLINK:
564 case EIO_REALPATH:
555 if (req->result > 0) 565 if (req->result > 0)
566 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
567 break;
568
569 case EIO_STAT:
570 case EIO_LSTAT:
571 case EIO_FSTAT:
572 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
573
574 if (!(PL_laststatval = req->result))
575 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
576 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
577
578 PUSHs (sv_result);
579 break;
580
581 case EIO_SEEK:
582 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
583 break;
584
585 case EIO_READ:
586 {
587 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
588 *SvEND (req->sv2) = 0;
589 SvPOK_only (req->sv2);
590 SvSETMAGIC (req->sv2);
591 PUSHs (sv_result);
592 }
593 break;
594
595 case EIO_CUSTOM:
596 if (req->feed == fiemap)
556 { 597 {
557 SvCUR_set (req->sv2, req->result); 598#if HAVE_FIEMAP
558 *SvEND (req->sv2) = 0;
559 PUSHs (req->sv2); 599 if (!req->result)
600 {
601 struct fiemap *fiemap = (struct fiemap *)req->ptr1;
602
603 if (fiemap->fm_extent_count)
604 {
605 AV *av = newAV ();
606 int i;
607
608 while (fiemap->fm_mapped_extents)
609 {
610 struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
611 AV *ext_av = newAV ();
612
613 av_store (ext_av, 3, newSVuv (extent->fe_flags));
614 av_store (ext_av, 2, newSVval64 (extent->fe_length));
615 av_store (ext_av, 1, newSVval64 (extent->fe_physical));
616 av_store (ext_av, 0, newSVval64 (extent->fe_logical));
617
618 av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
619 }
620
621 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
622 }
623 else
624 {
625 SvIV_set (sv_result, fiemap->fm_mapped_extents);
626 PUSHs (sv_result);
627 }
628 }
629#endif
560 } 630 }
631 else
632 PUSHs (sv_result);
561 break; 633 break;
562 634
563 case REQ_STAT: 635 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
564 case REQ_LSTAT: 636 if (req->result > 0)
565 case REQ_FSTAT: 637 SvIV_set (sv_result, 0);
566 PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; 638 /* FALLTHROUGH */
567 PL_laststatval = req->result;
568 PL_statcache = *(Stat_t *)(req->ptr2);
569 PUSHs (sv_2mortal (newSViv (req->result)));
570 break;
571
572 case REQ_READ:
573 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
574 *SvEND (req->sv2) = 0;
575 PUSHs (sv_2mortal (newSViv (req->result)));
576 break;
577 639
578 default: 640 default:
579 PUSHs (sv_2mortal (newSViv (req->result))); 641 PUSHs (sv_result);
580 break; 642 break;
581 } 643 }
582 644
583 errno = req->errorno; 645 errno = req->errorno;
584 646
585 PUTBACK; 647 PUTBACK;
586 call_sv (req->callback, G_VOID | G_EVAL); 648 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
587 SPAGAIN; 649 SPAGAIN;
650
651 if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
652 SvREFCNT_dec (sv_result);
653 else
654 sv_result_cache = sv_result;
588 655
589 FREETMPS; 656 FREETMPS;
590 LEAVE; 657 LEAVE;
658
659 PUTBACK;
591 } 660 }
592 661
593 if (req->grp)
594 {
595 aio_req grp = req->grp;
596
597 /* unlink request */
598 if (req->grp_next) req->grp_next->grp_prev = req->grp_prev;
599 if (req->grp_prev) req->grp_prev->grp_next = req->grp_next;
600
601 if (grp->grp_first == req)
602 grp->grp_first = req->grp_next;
603
604 aio_grp_dec (grp);
605 }
606
607 return !SvTRUE (ERRSV); 662 return !!SvTRUE (ERRSV);
608} 663}
609 664
665static void
610static void req_destroy (aio_req req) 666req_destroy (aio_req req)
611{ 667{
612 if (req->self) 668 if (req->self)
613 { 669 {
614 sv_unmagic (req->self, PERL_MAGIC_ext); 670 sv_unmagic (req->self, PERL_MAGIC_ext);
615 SvREFCNT_dec (req->self); 671 SvREFCNT_dec (req->self);
616 } 672 }
617 673
618 SvREFCNT_dec (req->sv1); 674 SvREFCNT_dec (req->sv1);
619 SvREFCNT_dec (req->sv2); 675 SvREFCNT_dec (req->sv2);
676 SvREFCNT_dec (req->sv3);
677 SvREFCNT_dec (req->sv4);
620 SvREFCNT_dec (req->callback); 678 SvREFCNT_dec (req->callback);
621 679
622 if (req->flags & FLAG_PTR2_FREE)
623 free (req->ptr2);
624
625 Safefree (req); 680 free (req);
626} 681}
627 682
683static void
628static void req_cancel_subs (aio_req grp) 684req_cancel_subs (aio_req grp)
629{ 685{
630 aio_req sub;
631
632 if (grp->type != REQ_GROUP) 686 if (grp->type != EIO_GROUP)
633 return; 687 return;
634 688
635 SvREFCNT_dec (grp->sv2); 689 SvREFCNT_dec (grp->sv2);
636 grp->sv2 = 0; 690 grp->sv2 = 0;
637 691
638 for (sub = grp->grp_first; sub; sub = sub->grp_next) 692 eio_grp_cancel (grp);
639 req_cancel (sub);
640} 693}
641 694
642static void req_cancel (aio_req req) 695static void ecb_cold
696create_respipe (void)
643{ 697{
644 req->flags |= FLAG_CANCELLED; 698 if (s_epipe_renew (&respipe))
645 699 croak ("IO::AIO: unable to initialize result pipe");
646 req_cancel_subs (req);
647} 700}
648
649#ifdef USE_SOCKETS_AS_HANDLES
650# define TO_SOCKET(x) (win32_get_osfhandle (x))
651#else
652# define TO_SOCKET(x) (x)
653#endif
654 701
655static void 702static void
656create_respipe () 703poll_wait (void)
657{ 704{
658 int old_readfd = respipe [0];
659
660 if (respipe [1] >= 0)
661 respipe_close (TO_SOCKET (respipe [1]));
662
663#ifdef _WIN32
664 if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
665#else
666 if (pipe (respipe))
667#endif
668 croak ("unable to initialize result pipe");
669
670 if (old_readfd >= 0)
671 {
672 if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
673 croak ("unable to initialize result pipe(2)");
674
675 respipe_close (respipe [0]);
676 respipe [0] = old_readfd;
677 }
678
679#ifdef _WIN32
680 int arg = 1;
681 if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
682 || ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
683#else
684 if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
685 || fcntl (respipe [1], F_SETFL, O_NONBLOCK))
686#endif
687 croak ("unable to initialize result pipe(3)");
688
689 respipe_osf [0] = TO_SOCKET (respipe [0]);
690 respipe_osf [1] = TO_SOCKET (respipe [1]);
691}
692
693X_THREAD_PROC (aio_proc);
694
695static void start_thread (void)
696{
697 worker *wrk = calloc (1, sizeof (worker));
698
699 if (!wrk)
700 croak ("unable to allocate worker thread data");
701
702 X_LOCK (wrklock);
703
704 if (thread_create (&wrk->tid, aio_proc, (void *)wrk))
705 {
706 wrk->prev = &wrk_first;
707 wrk->next = wrk_first.next;
708 wrk_first.next->prev = wrk;
709 wrk_first.next = wrk;
710 ++started;
711 }
712 else
713 free (wrk);
714
715 X_UNLOCK (wrklock);
716}
717
718static void maybe_start_thread ()
719{
720 if (get_nthreads () >= wanted)
721 return;
722
723 /* todo: maybe use idle here, but might be less exact */
724 if (0 <= (int)get_nthreads () + (int)get_npending () - (int)nreqs)
725 return;
726
727 start_thread ();
728}
729
730static void req_send (aio_req req)
731{
732 block_sig ();
733
734 ++nreqs;
735
736 X_LOCK (reqlock);
737 ++nready;
738 reqq_push (&req_queue, req);
739 X_COND_SIGNAL (reqwait);
740 X_UNLOCK (reqlock);
741
742 unblock_sig ();
743
744 maybe_start_thread ();
745}
746
747static void end_thread (void)
748{
749 aio_req req;
750
751 Newz (0, req, 1, aio_cb);
752
753 req->type = REQ_QUIT;
754 req->pri = PRI_MAX + PRI_BIAS;
755
756 X_LOCK (reqlock);
757 reqq_push (&req_queue, req);
758 X_COND_SIGNAL (reqwait);
759 X_UNLOCK (reqlock);
760
761 X_LOCK (wrklock);
762 --started;
763 X_UNLOCK (wrklock);
764}
765
766static void set_max_idle (int nthreads)
767{
768 if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
769 max_idle = nthreads <= 0 ? 1 : nthreads;
770 if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
771}
772
773static void min_parallel (int nthreads)
774{
775 if (wanted < nthreads)
776 wanted = nthreads;
777}
778
779static void max_parallel (int nthreads)
780{
781 if (wanted > nthreads)
782 wanted = nthreads;
783
784 while (started > wanted)
785 end_thread ();
786}
787
788static void poll_wait ()
789{
790 fd_set rfd;
791
792 while (nreqs) 705 while (eio_nreqs ())
793 { 706 {
794 int size; 707 int size;
795 if (WORDACCESS_UNSAFE) X_LOCK (reslock); 708
709 X_LOCK (EIO_POOL->reslock);
796 size = res_queue.size; 710 size = EIO_POOL->res_queue.size;
797 if (WORDACCESS_UNSAFE) X_UNLOCK (reslock); 711 X_UNLOCK (EIO_POOL->reslock);
798 712
799 if (size) 713 if (size)
800 return; 714 return;
801 715
802 maybe_start_thread (); 716 etp_maybe_start_thread (EIO_POOL);
803 717
804 FD_ZERO (&rfd); 718 s_epipe_wait (&respipe);
805 FD_SET (respipe [0], &rfd);
806
807 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
808 } 719 }
809} 720}
810 721
811static int poll_cb () 722static int
723poll_cb (void)
812{ 724{
813 dSP;
814 int count = 0;
815 int maxreqs = max_poll_reqs;
816 int do_croak = 0;
817 struct timeval tv_start, tv_now;
818 aio_req req;
819
820 if (max_poll_time)
821 gettimeofday (&tv_start, 0);
822
823 block_sig ();
824
825 for (;;) 725 for (;;)
826 { 726 {
827 for (;;) 727 int res = eio_poll ();
728
729 if (res > 0)
730 croak (0);
731
732 if (!max_outstanding || max_outstanding > eio_nreqs ())
733 return res;
734
735 poll_wait ();
736 }
737}
738
739static void ecb_cold
740reinit (void)
741{
742 create_respipe ();
743
744 if (eio_init (want_poll, done_poll) < 0)
745 croak ("IO::AIO: unable to initialise eio library");
746}
747
748/*****************************************************************************/
749
750#if !_POSIX_MAPPED_FILES
751# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
752# define munmap(addr,length) EIO_ENOSYS ()
753#endif
754
755#if !_POSIX_MEMORY_PROTECTION
756# define mprotect(addr,len,prot) EIO_ENOSYS ()
757#endif
758
759#define MMAP_MAGIC PERL_MAGIC_ext
760
761static int ecb_cold
762mmap_free (pTHX_ SV *sv, MAGIC *mg)
763{
764 int old_errno = errno;
765 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
766 errno = old_errno;
767
768 mg->mg_obj = 0; /* just in case */
769
770 SvREADONLY_off (sv);
771
772 if (SvPVX (sv) != mg->mg_ptr)
773 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
774
775 SvCUR_set (sv, 0);
776 SvPVX (sv) = 0;
777 SvOK_off (sv);
778
779 return 0;
780}
781
782static MGVTBL mmap_vtbl = {
783 0, 0, 0, 0, mmap_free
784};
785
786/*****************************************************************************/
787
788static SV *
789get_cb (SV *cb_sv)
790{
791 SvGETMAGIC (cb_sv);
792 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
793}
794
795static aio_req ecb_noinline
796dreq (SV *callback)
797{
798 SV *cb_cv;
799 aio_req req;
800 int req_pri = next_pri;
801 next_pri = EIO_PRI_DEFAULT;
802
803 cb_cv = get_cb (callback);
804
805 req = calloc (sizeof (*req), 1);
806 if (!req)
807 croak ("out of memory during eio_req allocation");
808
809 req->callback = SvREFCNT_inc (cb_cv);
810 req->pri = req_pri;
811
812 return req;
813}
814
815#define dREQ \
816 aio_req req = dreq (callback); \
817
818#define REQ_SEND \
819 PUTBACK; \
820 req_submit (req); \
821 SPAGAIN; \
822 \
823 if (GIMME_V != G_VOID) \
824 XPUSHs (req_sv (req, aio_req_stash));
825
826ecb_inline void
827req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
828{
829 if (expect_false (SvROK (path)))
830 {
831 SV *rv = SvRV (path);
832 SV *wdob;
833
834 if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
828 { 835 {
829 maybe_start_thread (); 836 path = AvARRAY (rv)[1];
837 wdob = AvARRAY (rv)[0];
830 838
831 X_LOCK (reslock); 839 if (SvOK (wdob))
832 req = reqq_shift (&res_queue);
833
834 if (req)
835 { 840 {
836 --npending; 841 *wd = SvAIO_WD (wdob);
837 842 *wdsv = SvREFCNT_inc_NN (SvRV (wdob));
838 if (!res_queue.size)
839 {
840 /* read any signals sent by the worker threads */
841 char buf [4];
842 while (respipe_read (respipe [0], buf, 4) == 4)
843 ;
844 }
845 }
846
847 X_UNLOCK (reslock);
848
849 if (!req)
850 break;
851
852 --nreqs;
853
854 if (req->type == REQ_GROUP && req->size)
855 {
856 req->int1 = 1; /* mark request as delayed */
857 continue;
858 } 843 }
859 else 844 else
860 { 845 *wd = EIO_INVALID_WD;
861 if (!req_invoke (req))
862 {
863 req_destroy (req);
864 unblock_sig ();
865 croak (0);
866 }
867
868 count++;
869 }
870
871 req_destroy (req);
872
873 if (maxreqs && !--maxreqs)
874 break;
875
876 if (max_poll_time)
877 {
878 gettimeofday (&tv_now, 0);
879
880 if (tvdiff (&tv_start, &tv_now) >= max_poll_time)
881 break;
882 }
883 } 846 }
847 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
848 {
849 *wd = (aio_wd)(long)SvIVX (rv);
850 *wdsv = SvREFCNT_inc_NN (rv);
851 *ptr = ".";
852 return; /* path set to "." */
853 }
854 else
855 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
856 }
884 857
885 if (nreqs <= max_outstanding) 858 *pathsv = newSVsv (path);
859 *ptr = SvPVbyte_nolen (*pathsv);
860}
861
862static void ecb_noinline
863req_set_path1 (aio_req req, SV *path)
864{
865 req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
866}
867
868static void ecb_noinline
869req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
870{
871 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
872
873 switch (SvTYPE (rv))
874 {
875 case SVt_PVIO:
876 case SVt_PVLV:
877 case SVt_PVGV:
878 req->type = type_fh;
879 req->sv1 = newSVsv (fh_or_path);
880 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
886 break; 881 break;
887 882
888 poll_wait (); 883 default:
889 884 req->type = type_path;
890 ++maxreqs; 885 req_set_path1 (req, fh_or_path);
886 break;
891 } 887 }
892
893 unblock_sig ();
894 return count;
895} 888}
896 889
897/*****************************************************************************/ 890XS(boot_IO__AIO) ecb_cold;
898/* work around various missing functions */
899 891
900#if !HAVE_PREADWRITE
901# define pread aio_pread
902# define pwrite aio_pwrite
903
904/*
905 * make our pread/pwrite safe against themselves, but not against
906 * normal read/write by using a mutex. slows down execution a lot,
907 * but that's your problem, not mine.
908 */
909static mutex_t preadwritelock = X_MUTEX_INIT;
910
911static ssize_t pread (int fd, void *buf, size_t count, off_t offset)
912{
913 ssize_t res;
914 off_t ooffset;
915
916 X_LOCK (preadwritelock);
917 ooffset = lseek (fd, 0, SEEK_CUR);
918 lseek (fd, offset, SEEK_SET);
919 res = read (fd, buf, count);
920 lseek (fd, ooffset, SEEK_SET);
921 X_UNLOCK (preadwritelock);
922
923 return res;
924}
925
926static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset)
927{
928 ssize_t res;
929 off_t ooffset;
930
931 X_LOCK (preadwritelock);
932 ooffset = lseek (fd, 0, SEEK_CUR);
933 lseek (fd, offset, SEEK_SET);
934 res = write (fd, buf, count);
935 lseek (fd, offset, SEEK_SET);
936 X_UNLOCK (preadwritelock);
937
938 return res;
939}
940#endif
941
942#ifndef HAVE_FUTIMES
943
944# define utimes(path,times) aio_utimes (path, times)
945# define futimes(fd,times) aio_futimes (fd, times)
946
947int aio_utimes (const char *filename, const struct timeval times[2])
948{
949 if (times)
950 {
951 struct utimbuf buf;
952
953 buf.actime = times[0].tv_sec;
954 buf.modtime = times[1].tv_sec;
955
956 return utime (filename, &buf);
957 }
958 else
959 return utime (filename, 0);
960}
961
962int aio_futimes (int fd, const struct timeval tv[2])
963{
964 errno = ENOSYS;
965 return -1;
966}
967
968#endif
969
970#if !HAVE_FDATASYNC
971# define fdatasync fsync
972#endif
973
974#if !HAVE_READAHEAD
975# define readahead(fd,offset,count) aio_readahead (fd, offset, count, self)
976
977static ssize_t aio_readahead (int fd, off_t offset, size_t count, worker *self)
978{
979 size_t todo = count;
980 dBUF;
981
982 while (todo > 0)
983 {
984 size_t len = todo < AIO_BUFSIZE ? todo : AIO_BUFSIZE;
985
986 pread (fd, aio_buf, len, offset);
987 offset += len;
988 todo -= len;
989 }
990
991 errno = 0;
992 return count;
993}
994
995#endif
996
997#if !HAVE_READDIR_R
998# define readdir_r aio_readdir_r
999
1000static mutex_t readdirlock = X_MUTEX_INIT;
1001
1002static int readdir_r (DIR *dirp, X_DIRENT *ent, X_DIRENT **res)
1003{
1004 X_DIRENT *e;
1005 int errorno;
1006
1007 X_LOCK (readdirlock);
1008
1009 e = readdir (dirp);
1010 errorno = errno;
1011
1012 if (e)
1013 {
1014 *res = ent;
1015 strcpy (ent->d_name, e->d_name);
1016 }
1017 else
1018 *res = 0;
1019
1020 X_UNLOCK (readdirlock);
1021
1022 errno = errorno;
1023 return e ? 0 : -1;
1024}
1025#endif
1026
1027/* sendfile always needs emulation */
1028static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count, worker *self)
1029{
1030 ssize_t res;
1031
1032 if (!count)
1033 return 0;
1034
1035#if HAVE_SENDFILE
1036# if __linux
1037 res = sendfile (ofd, ifd, &offset, count);
1038
1039# elif __freebsd
1040 /*
1041 * Of course, the freebsd sendfile is a dire hack with no thoughts
1042 * wasted on making it similar to other I/O functions.
1043 */
1044 {
1045 off_t sbytes;
1046 res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0);
1047
1048 if (res < 0 && sbytes)
1049 /* maybe only on EAGAIN: as usual, the manpage leaves you guessing */
1050 res = sbytes;
1051 }
1052
1053# elif __hpux
1054 res = sendfile (ofd, ifd, offset, count, 0, 0);
1055
1056# elif __solaris
1057 {
1058 struct sendfilevec vec;
1059 size_t sbytes;
1060
1061 vec.sfv_fd = ifd;
1062 vec.sfv_flag = 0;
1063 vec.sfv_off = offset;
1064 vec.sfv_len = count;
1065
1066 res = sendfilev (ofd, &vec, 1, &sbytes);
1067
1068 if (res < 0 && sbytes)
1069 res = sbytes;
1070 }
1071
1072# endif
1073#else
1074 res = -1;
1075 errno = ENOSYS;
1076#endif
1077
1078 if (res < 0
1079 && (errno == ENOSYS || errno == EINVAL || errno == ENOTSOCK
1080#if __solaris
1081 || errno == EAFNOSUPPORT || errno == EPROTOTYPE
1082#endif
1083 )
1084 )
1085 {
1086 /* emulate sendfile. this is a major pain in the ass */
1087 dBUF;
1088
1089 res = 0;
1090
1091 while (count)
1092 {
1093 ssize_t cnt;
1094
1095 cnt = pread (ifd, aio_buf, count > AIO_BUFSIZE ? AIO_BUFSIZE : count, offset);
1096
1097 if (cnt <= 0)
1098 {
1099 if (cnt && !res) res = -1;
1100 break;
1101 }
1102
1103 cnt = write (ofd, aio_buf, cnt);
1104
1105 if (cnt <= 0)
1106 {
1107 if (cnt && !res) res = -1;
1108 break;
1109 }
1110
1111 offset += cnt;
1112 res += cnt;
1113 count -= cnt;
1114 }
1115 }
1116
1117 return res;
1118}
1119
1120/* read a full directory */
1121static void scandir_ (aio_req req, worker *self)
1122{
1123 DIR *dirp;
1124 union
1125 {
1126 X_DIRENT d;
1127 char b [offsetof (X_DIRENT, d_name) + NAME_MAX + 1];
1128 } *u;
1129 X_DIRENT *entp;
1130 char *name, *names;
1131 int memlen = 4096;
1132 int memofs = 0;
1133 int res = 0;
1134
1135 X_LOCK (wrklock);
1136 self->dirp = dirp = opendir (req->ptr1);
1137 self->dbuf = u = malloc (sizeof (*u));
1138 req->flags |= FLAG_PTR2_FREE;
1139 req->ptr2 = names = malloc (memlen);
1140 X_UNLOCK (wrklock);
1141
1142 if (dirp && u && names)
1143 for (;;)
1144 {
1145 errno = 0;
1146 readdir_r (dirp, &u->d, &entp);
1147
1148 if (!entp)
1149 break;
1150
1151 name = entp->d_name;
1152
1153 if (name [0] != '.' || (name [1] && (name [1] != '.' || name [2])))
1154 {
1155 int len = strlen (name) + 1;
1156
1157 res++;
1158
1159 while (memofs + len > memlen)
1160 {
1161 memlen *= 2;
1162 X_LOCK (wrklock);
1163 req->ptr2 = names = realloc (names, memlen);
1164 X_UNLOCK (wrklock);
1165
1166 if (!names)
1167 break;
1168 }
1169
1170 memcpy (names + memofs, name, len);
1171 memofs += len;
1172 }
1173 }
1174
1175 if (errno)
1176 res = -1;
1177
1178 req->result = res;
1179}
1180
1181/*****************************************************************************/
1182
1183X_THREAD_PROC (aio_proc)
1184{
1185 {//D
1186 aio_req req;
1187 struct timespec ts;
1188 worker *self = (worker *)thr_arg;
1189
1190 /* try to distribute timeouts somewhat randomly */
1191 ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
1192
1193 for (;;)
1194 {
1195 ts.tv_sec = time (0) + IDLE_TIMEOUT;
1196
1197 X_LOCK (reqlock);
1198
1199 for (;;)
1200 {
1201 self->req = req = reqq_shift (&req_queue);
1202
1203 if (req)
1204 break;
1205
1206 ++idle;
1207
1208 if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
1209 == ETIMEDOUT)
1210 {
1211 if (idle > max_idle)
1212 {
1213 --idle;
1214 X_UNLOCK (reqlock);
1215 X_LOCK (wrklock);
1216 --started;
1217 X_UNLOCK (wrklock);
1218 goto quit;
1219 }
1220
1221 /* we are allowed to idle, so do so without any timeout */
1222 X_COND_WAIT (reqwait, reqlock);
1223 ts.tv_sec = time (0) + IDLE_TIMEOUT;
1224 }
1225
1226 --idle;
1227 }
1228
1229 --nready;
1230
1231 X_UNLOCK (reqlock);
1232
1233 errno = 0; /* strictly unnecessary */
1234
1235 if (!(req->flags & FLAG_CANCELLED))
1236 switch (req->type)
1237 {
1238 case REQ_READ: req->result = req->offs >= 0
1239 ? pread (req->int1, req->ptr1, req->size, req->offs)
1240 : read (req->int1, req->ptr1, req->size); break;
1241 case REQ_WRITE: req->result = req->offs >= 0
1242 ? pwrite (req->int1, req->ptr1, req->size, req->offs)
1243 : write (req->int1, req->ptr1, req->size); break;
1244
1245 case REQ_READAHEAD: req->result = readahead (req->int1, req->offs, req->size); break;
1246 case REQ_SENDFILE: req->result = sendfile_ (req->int1, req->int2, req->offs, req->size, self); break;
1247
1248 case REQ_STAT: req->result = stat (req->ptr1, (Stat_t *)req->ptr2); break;
1249 case REQ_LSTAT: req->result = lstat (req->ptr1, (Stat_t *)req->ptr2); break;
1250 case REQ_FSTAT: req->result = fstat (req->int1, (Stat_t *)req->ptr2); break;
1251
1252 case REQ_CHOWN: req->result = chown (req->ptr1, req->int2, req->int3); break;
1253 case REQ_FCHOWN: req->result = fchown (req->int1, req->int2, req->int3); break;
1254 case REQ_CHMOD: req->result = chmod (req->ptr1, req->mode); break;
1255 case REQ_FCHMOD: req->result = fchmod (req->int1, req->mode); break;
1256 case REQ_TRUNCATE: req->result = truncate (req->ptr1, req->offs); break;
1257 case REQ_FTRUNCATE: req->result = ftruncate (req->int1, req->offs); break;
1258
1259 case REQ_OPEN: req->result = open (req->ptr1, req->int1, req->mode); break;
1260 case REQ_CLOSE: req->result = PerlIO_close ((PerlIO *)req->ptr1); break;
1261 case REQ_UNLINK: req->result = unlink (req->ptr1); break;
1262 case REQ_RMDIR: req->result = rmdir (req->ptr1); break;
1263 case REQ_MKDIR: req->result = mkdir (req->ptr1, req->mode); break;
1264 case REQ_RENAME: req->result = rename (req->ptr2, req->ptr1); break;
1265 case REQ_LINK: req->result = link (req->ptr2, req->ptr1); break;
1266 case REQ_SYMLINK: req->result = symlink (req->ptr2, req->ptr1); break;
1267 case REQ_MKNOD: req->result = mknod (req->ptr2, req->mode, (dev_t)req->offs); break;
1268 case REQ_READLINK: req->result = readlink (req->ptr2, req->ptr1, NAME_MAX); break;
1269
1270 case REQ_FDATASYNC: req->result = fdatasync (req->int1); break;
1271 case REQ_FSYNC: req->result = fsync (req->int1); break;
1272 case REQ_READDIR: scandir_ (req, self); break;
1273
1274 case REQ_BUSY:
1275#ifdef _WIN32
1276 Sleep (req->nv1 * 1000.);
1277#else
1278 {
1279 struct timeval tv;
1280
1281 tv.tv_sec = req->nv1;
1282 tv.tv_usec = (req->nv1 - tv.tv_sec) * 1000000.;
1283
1284 req->result = select (0, 0, 0, 0, &tv);
1285 }
1286#endif
1287 break;
1288
1289 case REQ_UTIME:
1290 case REQ_FUTIME:
1291 {
1292 struct timeval tv[2];
1293 struct timeval *times;
1294
1295 if (req->nv1 != -1. || req->nv2 != -1.)
1296 {
1297 tv[0].tv_sec = req->nv1;
1298 tv[0].tv_usec = (req->nv1 - tv[0].tv_sec) * 1000000.;
1299 tv[1].tv_sec = req->nv2;
1300 tv[1].tv_usec = (req->nv2 - tv[1].tv_sec) * 1000000.;
1301
1302 times = tv;
1303 }
1304 else
1305 times = 0;
1306
1307
1308 req->result = req->type == REQ_FUTIME
1309 ? futimes (req->int1, times)
1310 : utimes (req->ptr1, times);
1311 }
1312
1313 case REQ_GROUP:
1314 case REQ_NOP:
1315 break;
1316
1317 case REQ_QUIT:
1318 goto quit;
1319
1320 default:
1321 req->result = -1;
1322 break;
1323 }
1324
1325 req->errorno = errno;
1326
1327 X_LOCK (reslock);
1328
1329 ++npending;
1330
1331 if (!reqq_push (&res_queue, req))
1332 {
1333 /* write a dummy byte to the pipe so fh becomes ready */
1334 respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
1335
1336 /* optionally signal the main thread asynchronously */
1337 if (main_sig)
1338 pthread_kill (main_tid, main_sig);
1339 }
1340
1341 self->req = 0;
1342 worker_clear (self);
1343
1344 X_UNLOCK (reslock);
1345 }
1346
1347quit:
1348 X_LOCK (wrklock);
1349 worker_free (self);
1350 X_UNLOCK (wrklock);
1351
1352 return 0;
1353 }//D
1354}
1355
1356/*****************************************************************************/
1357
1358static void atfork_prepare (void)
1359{
1360 X_LOCK (wrklock);
1361 X_LOCK (reqlock);
1362 X_LOCK (reslock);
1363#if !HAVE_PREADWRITE
1364 X_LOCK (preadwritelock);
1365#endif
1366#if !HAVE_READDIR_R
1367 X_LOCK (readdirlock);
1368#endif
1369}
1370
1371static void atfork_parent (void)
1372{
1373#if !HAVE_READDIR_R
1374 X_UNLOCK (readdirlock);
1375#endif
1376#if !HAVE_PREADWRITE
1377 X_UNLOCK (preadwritelock);
1378#endif
1379 X_UNLOCK (reslock);
1380 X_UNLOCK (reqlock);
1381 X_UNLOCK (wrklock);
1382}
1383
1384static void atfork_child (void)
1385{
1386 aio_req prv;
1387
1388 while (prv = reqq_shift (&req_queue))
1389 req_destroy (prv);
1390
1391 while (prv = reqq_shift (&res_queue))
1392 req_destroy (prv);
1393
1394 while (wrk_first.next != &wrk_first)
1395 {
1396 worker *wrk = wrk_first.next;
1397
1398 if (wrk->req)
1399 req_destroy (wrk->req);
1400
1401 worker_clear (wrk);
1402 worker_free (wrk);
1403 }
1404
1405 started = 0;
1406 idle = 0;
1407 nreqs = 0;
1408 nready = 0;
1409 npending = 0;
1410
1411 create_respipe ();
1412
1413 atfork_parent ();
1414}
1415
1416#define dREQ \
1417 aio_req req; \
1418 int req_pri = next_pri; \
1419 next_pri = DEFAULT_PRI + PRI_BIAS; \
1420 \
1421 if (SvOK (callback) && !SvROK (callback)) \
1422 croak ("callback must be undef or of reference type"); \
1423 \
1424 Newz (0, req, 1, aio_cb); \
1425 if (!req) \
1426 croak ("out of memory during aio_req allocation"); \
1427 \
1428 req->callback = newSVsv (callback); \
1429 req->pri = req_pri
1430
1431#define REQ_SEND \
1432 req_send (req); \
1433 \
1434 if (GIMME_V != G_VOID) \
1435 XPUSHs (req_sv (req, AIO_REQ_KLASS));
1436
1437MODULE = IO::AIO PACKAGE = IO::AIO 892MODULE = IO::AIO PACKAGE = IO::AIO
1438 893
1439PROTOTYPES: ENABLE 894PROTOTYPES: ENABLE
1440 895
1441BOOT: 896BOOT:
1442{ 897{
898 static const struct {
899 const char *name;
900 IV iv;
901 } *civ, const_iv[] = {
902# define const_niv(name, value) { # name, (IV) value },
903# define const_iv(name) { # name, (IV) name },
904# define const_eio(name) { # name, (IV) EIO_ ## name },
905
906 /* you have to re-run ./gendef0 after adding/removing any constants here */
907 /* the first block can be undef if missing */
908 const_iv (ENOSYS)
909 const_iv (EXDEV)
910 const_iv (EBADR)
911
912 /* for lseek */
913 const_iv (SEEK_DATA)
914 const_iv (SEEK_HOLE)
915
916 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
917 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
918 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
919 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
920 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
921 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
922
923 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
924 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
925 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
926 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
927 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
928
929 /* the second block will be 0 when missing */
930 const_iv (O_RDONLY)
931 const_iv (O_WRONLY)
932 const_iv (O_RDWR)
933 const_iv (O_CREAT)
934 const_iv (O_TRUNC)
935 const_iv (O_EXCL)
936 const_iv (O_APPEND)
937
938 const_iv (O_ASYNC)
939 const_iv (O_DIRECT)
940 const_iv (O_NOATIME)
941
942 const_iv (O_CLOEXEC)
943 const_iv (O_NOCTTY)
944 const_iv (O_NOFOLLOW)
945 const_iv (O_NONBLOCK)
946 const_iv (O_EXEC)
947 const_iv (O_SEARCH)
948 const_iv (O_DIRECTORY)
949 const_iv (O_DSYNC)
950 const_iv (O_RSYNC)
951 const_iv (O_SYNC)
952 const_iv (O_PATH)
953 const_iv (O_TMPFILE)
954 const_iv (O_TTY_INIT)
955
956 const_iv (S_IFIFO)
957 const_iv (S_IFCHR)
958 const_iv (S_IFBLK)
959 const_iv (S_IFLNK)
960 const_iv (S_IFREG)
961 const_iv (S_IFDIR)
962 const_iv (S_IFWHT)
963 const_iv (S_IFSOCK)
964 const_iv (S_IFMT)
965
966 const_iv (ST_RDONLY)
967 const_iv (ST_NOSUID)
968 const_iv (ST_NODEV)
969 const_iv (ST_NOEXEC)
970 const_iv (ST_SYNCHRONOUS)
971 const_iv (ST_MANDLOCK)
972 const_iv (ST_WRITE)
973 const_iv (ST_APPEND)
974 const_iv (ST_IMMUTABLE)
975 const_iv (ST_NOATIME)
976 const_iv (ST_NODIRATIME)
977 const_iv (ST_RELATIME)
978
979 const_iv (PROT_NONE)
980 const_iv (PROT_EXEC)
981 const_iv (PROT_READ)
982 const_iv (PROT_WRITE)
983
984 const_iv (MAP_PRIVATE)
985 const_iv (MAP_SHARED)
986 const_iv (MAP_FIXED)
987 const_iv (MAP_ANONYMOUS)
988
989 /* linuxish */
990 const_iv (MAP_LOCKED)
991 const_iv (MAP_NORESERVE)
992 const_iv (MAP_POPULATE)
993 const_iv (MAP_NONBLOCK)
994 const_iv (MAP_GROWSDOWN)
995 const_iv (MAP_32BIT)
996 const_iv (MAP_HUGETLB)
997 const_iv (MAP_STACK)
998
999 const_iv (FIEMAP_FLAG_SYNC)
1000 const_iv (FIEMAP_FLAG_XATTR)
1001 const_iv (FIEMAP_FLAGS_COMPAT)
1002 const_iv (FIEMAP_EXTENT_LAST)
1003 const_iv (FIEMAP_EXTENT_UNKNOWN)
1004 const_iv (FIEMAP_EXTENT_DELALLOC)
1005 const_iv (FIEMAP_EXTENT_ENCODED)
1006 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
1007 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
1008 const_iv (FIEMAP_EXTENT_DATA_INLINE)
1009 const_iv (FIEMAP_EXTENT_DATA_TAIL)
1010 const_iv (FIEMAP_EXTENT_UNWRITTEN)
1011 const_iv (FIEMAP_EXTENT_MERGED)
1012 const_iv (FIEMAP_EXTENT_SHARED)
1013
1014 const_iv (SPLICE_F_MOVE)
1015 const_iv (SPLICE_F_NONBLOCK)
1016 const_iv (SPLICE_F_MORE)
1017 const_iv (SPLICE_F_GIFT)
1018
1019 /* these are libeio constants, and are independent of gendef0 */
1020 const_eio (SEEK_SET)
1021 const_eio (SEEK_CUR)
1022 const_eio (SEEK_END)
1023
1024 const_eio (MCL_FUTURE)
1025 const_eio (MCL_CURRENT)
1026
1027 const_eio (MS_ASYNC)
1028 const_eio (MS_INVALIDATE)
1029 const_eio (MS_SYNC)
1030
1031 const_eio (MT_MODIFY)
1032
1033 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
1034 const_eio (SYNC_FILE_RANGE_WRITE)
1035 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1036
1037 const_eio (FALLOC_FL_KEEP_SIZE)
1038 const_eio (FALLOC_FL_PUNCH_HOLE)
1039 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1040 const_eio (FALLOC_FL_ZERO_RANGE)
1041
1042 const_eio (READDIR_DENTS)
1043 const_eio (READDIR_DIRS_FIRST)
1044 const_eio (READDIR_STAT_ORDER)
1045 const_eio (READDIR_FOUND_UNKNOWN)
1046
1047 const_eio (DT_UNKNOWN)
1048 const_eio (DT_FIFO)
1049 const_eio (DT_CHR)
1050 const_eio (DT_DIR)
1051 const_eio (DT_BLK)
1052 const_eio (DT_REG)
1053 const_eio (DT_LNK)
1054 const_eio (DT_SOCK)
1055 const_eio (DT_WHT)
1056 };
1057
1443 stash = gv_stashpv ("IO::AIO", 1); 1058 aio_stash = gv_stashpv ("IO::AIO" , 1);
1059 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
1060 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
1061 aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
1444 1062
1445 newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); 1063 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
1446 newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); 1064 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
1447 newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY));
1448 newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT));
1449 newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC));
1450#ifdef _WIN32
1451 X_MUTEX_CHECK (wrklock);
1452 X_MUTEX_CHECK (reslock);
1453 X_MUTEX_CHECK (reqlock);
1454 X_MUTEX_CHECK (reqwait);
1455 X_MUTEX_CHECK (preadwritelock);
1456 X_MUTEX_CHECK (readdirlock);
1457 1065
1458 X_COND_CHECK (reqwait); 1066 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
1459#else
1460 newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));
1461 newCONSTSUB (stash, "SIGIO", newSViv (SIGIO));
1462#endif
1463 1067
1464 create_respipe (); 1068 reinit ();
1465
1466 X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
1467} 1069}
1468 1070
1469void 1071void
1072reinit ()
1073 PROTOTYPE:
1074
1075void
1470max_poll_reqs (int nreqs) 1076max_poll_reqs (unsigned int nreqs)
1471 PROTOTYPE: $ 1077 PROTOTYPE: $
1472 CODE: 1078 CODE:
1473 max_poll_reqs = nreqs; 1079 eio_set_max_poll_reqs (nreqs);
1474 1080
1475void 1081void
1476max_poll_time (double nseconds) 1082max_poll_time (double nseconds)
1477 PROTOTYPE: $ 1083 PROTOTYPE: $
1478 CODE: 1084 CODE:
1479 max_poll_time = nseconds * AIO_TICKS; 1085 eio_set_max_poll_time (nseconds);
1480 1086
1481void 1087void
1482min_parallel (int nthreads) 1088min_parallel (unsigned int nthreads)
1483 PROTOTYPE: $
1484
1485void
1486max_parallel (int nthreads)
1487 PROTOTYPE: $
1488
1489void
1490max_idle (int nthreads)
1491 PROTOTYPE: $ 1089 PROTOTYPE: $
1492 CODE: 1090 CODE:
1493 set_max_idle (nthreads); 1091 eio_set_min_parallel (nthreads);
1494 1092
1495int 1093void
1496max_outstanding (int maxreqs) 1094max_parallel (unsigned int nthreads)
1497 PROTOTYPE: $ 1095 PROTOTYPE: $
1498 CODE: 1096 CODE:
1499 RETVAL = max_outstanding; 1097 eio_set_max_parallel (nthreads);
1098
1099void
1100max_idle (unsigned int nthreads)
1101 PROTOTYPE: $
1102 CODE:
1103 eio_set_max_idle (nthreads);
1104
1105void
1106idle_timeout (unsigned int seconds)
1107 PROTOTYPE: $
1108 CODE:
1109 eio_set_idle_timeout (seconds);
1110
1111void
1112max_outstanding (unsigned int maxreqs)
1113 PROTOTYPE: $
1114 CODE:
1500 max_outstanding = maxreqs; 1115 max_outstanding = maxreqs;
1501 OUTPUT:
1502 RETVAL
1503 1116
1504void 1117void
1505aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1118aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
1506 PROTOTYPE: $$$;$
1507 PPCODE: 1119 PPCODE:
1508{ 1120{
1509 dREQ; 1121 dREQ;
1510 1122
1123 req->type = EIO_WD_OPEN;
1124 req_set_path1 (req, pathname);
1125
1126 REQ_SEND;
1127}
1128
1129void
1130aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1131 PPCODE:
1132{
1133 dREQ;
1134
1511 req->type = REQ_OPEN; 1135 req->type = EIO_OPEN;
1512 req->sv1 = newSVsv (pathname); 1136 req_set_path1 (req, pathname);
1513 req->ptr1 = SvPVbyte_nolen (req->sv1);
1514 req->int1 = flags; 1137 req->int1 = flags;
1515 req->mode = mode; 1138 req->int2 = mode;
1516 1139
1517 REQ_SEND; 1140 REQ_SEND;
1518} 1141}
1519 1142
1520void 1143void
1521aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1144aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
1522 PROTOTYPE: $;$
1523 ALIAS: 1145 ALIAS:
1524 aio_fsync = REQ_FSYNC 1146 aio_fsync = EIO_FSYNC
1525 aio_fdatasync = REQ_FDATASYNC 1147 aio_fdatasync = EIO_FDATASYNC
1148 aio_syncfs = EIO_SYNCFS
1526 PPCODE: 1149 PPCODE:
1527{ 1150{
1151 int fd = s_fileno_croak (fh, 0);
1528 dREQ; 1152 dREQ;
1529 1153
1530 req->type = ix; 1154 req->type = ix;
1531 req->sv1 = newSVsv (fh); 1155 req->sv1 = newSVsv (fh);
1532 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); 1156 req->int1 = fd;
1533 1157
1534 REQ_SEND (req); 1158 REQ_SEND;
1535} 1159}
1536 1160
1537void 1161void
1538aio_close (SV *fh, SV *callback=&PL_sv_undef) 1162aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
1539 PROTOTYPE: $;$
1540 PPCODE: 1163 PPCODE:
1541{ 1164{
1542 PerlIO *io = IoIFP (sv_2io (fh)); 1165 int fd = s_fileno_croak (fh, 0);
1543 int fd = PerlIO_fileno (io);
1544
1545 if (fd < 0)
1546 croak ("aio_close called with fd-less filehandle");
1547
1548 PerlIO_binmode (io, 0, 0, 0);
1549
1550 {
1551 dREQ; 1166 dREQ;
1552 1167
1553 req->type = REQ_CLOSE; 1168 req->type = EIO_SYNC_FILE_RANGE;
1554 req->sv1 = newSVsv (fh); 1169 req->sv1 = newSVsv (fh);
1555 req->ptr1 = (void *)io; 1170 req->int1 = fd;
1171 req->offs = offset;
1172 req->size = nbytes;
1173 req->int2 = flags;
1556 1174
1557 REQ_SEND (req); 1175 REQ_SEND;
1176}
1177
1178void
1179aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
1180 PPCODE:
1181{
1182 int fd = s_fileno_croak (fh, 0);
1183 dREQ;
1184
1185 req->type = EIO_FALLOCATE;
1186 req->sv1 = newSVsv (fh);
1187 req->int1 = fd;
1188 req->int2 = mode;
1189 req->offs = offset;
1190 req->size = len;
1191
1192 REQ_SEND;
1193}
1194
1195void
1196aio_close (SV *fh, SV *callback = &PL_sv_undef)
1197 PPCODE:
1198{
1199 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1200 int fd = s_fileno_croak (fh, 0);
1201 dREQ;
1202
1203 if (expect_false (close_fd < 0))
1204 {
1205 int pipefd [2];
1206
1207 if (
1208#ifdef _WIN32
1209 _pipe (pipefd, 1, _O_BINARY) < 0
1210#else
1211 pipe (pipefd) < 0
1212 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1213#endif
1214 || close (pipefd [1]) < 0
1215 )
1216 abort (); /*D*/
1217
1218 close_fd = pipefd [0];
1558 } 1219 }
1559}
1560 1220
1221 req->type = EIO_DUP2;
1222 req->int1 = close_fd;
1223 req->sv2 = newSVsv (fh);
1224 req->int2 = fd;
1225
1226 REQ_SEND;
1227}
1228
1561void 1229void
1230aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1231 PPCODE:
1232{
1233 int fd = s_fileno_croak (fh, 0);
1234 dREQ;
1235
1236 req->type = EIO_SEEK;
1237 req->sv1 = newSVsv (fh);
1238 req->int1 = fd;
1239 req->offs = SvVAL64 (offset);
1240 req->int2 = whence;
1241
1242 REQ_SEND;
1243}
1244
1245void
1562aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1246aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
1563 ALIAS: 1247 ALIAS:
1564 aio_read = REQ_READ 1248 aio_read = EIO_READ
1565 aio_write = REQ_WRITE 1249 aio_write = EIO_WRITE
1566 PROTOTYPE: $$$$$;$
1567 PPCODE: 1250 PPCODE:
1568{ 1251{
1569 STRLEN svlen; 1252 STRLEN svlen;
1253 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
1570 char *svptr = SvPVbyte (data, svlen); 1254 char *svptr = SvPVbyte (data, svlen);
1571 UV len = SvUV (length); 1255 UV len = SvUV (length);
1572 1256
1573 SvUPGRADE (data, SVt_PV);
1574 SvPOK_on (data);
1575
1576 if (dataoffset < 0) 1257 if (dataoffset < 0)
1577 dataoffset += svlen; 1258 dataoffset += svlen;
1578 1259
1579 if (dataoffset < 0 || dataoffset > svlen) 1260 if (dataoffset < 0 || dataoffset > svlen)
1580 croak ("dataoffset outside of data scalar"); 1261 croak ("dataoffset outside of data scalar");
1581 1262
1582 if (ix == REQ_WRITE) 1263 if (ix == EIO_WRITE)
1583 { 1264 {
1584 /* write: check length and adjust. */ 1265 /* write: check length and adjust. */
1585 if (!SvOK (length) || len + dataoffset > svlen) 1266 if (!SvOK (length) || len + dataoffset > svlen)
1586 len = svlen - dataoffset; 1267 len = svlen - dataoffset;
1587 } 1268 }
1588 else 1269 else
1589 { 1270 {
1590 /* read: grow scalar as necessary */ 1271 /* read: check type and grow scalar as necessary */
1272 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1591 svptr = SvGROW (data, len + dataoffset + 1); 1273 svptr = sv_grow (data, len + dataoffset + 1);
1274 else if (SvCUR (data) < len + dataoffset)
1275 croak ("length + dataoffset outside of scalar, and cannot grow");
1592 } 1276 }
1593
1594 if (len < 0)
1595 croak ("length must not be negative");
1596 1277
1597 { 1278 {
1598 dREQ; 1279 dREQ;
1599 1280
1600 req->type = ix; 1281 req->type = ix;
1601 req->sv1 = newSVsv (fh); 1282 req->sv1 = newSVsv (fh);
1602 req->int1 = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) 1283 req->int1 = fd;
1603 : IoOFP (sv_2io (fh)));
1604 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1284 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1605 req->size = len; 1285 req->size = len;
1606 req->sv2 = SvREFCNT_inc (data); 1286 req->sv2 = SvREFCNT_inc (data);
1607 req->ptr1 = (char *)svptr + dataoffset; 1287 req->ptr2 = (char *)svptr + dataoffset;
1608 req->stroffset = dataoffset; 1288 req->stroffset = dataoffset;
1609 1289
1610 if (!SvREADONLY (data)) 1290 if (!SvREADONLY (data))
1611 { 1291 {
1612 SvREADONLY_on (data); 1292 SvREADONLY_on (data);
… …
1616 REQ_SEND; 1296 REQ_SEND;
1617 } 1297 }
1618} 1298}
1619 1299
1620void 1300void
1621aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1301aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
1622 PROTOTYPE: $$;$ 1302 ALIAS:
1303 aio_ioctl = EIO_IOCTL
1304 aio_fcntl = EIO_FCNTL
1623 PPCODE: 1305 PPCODE:
1624{ 1306{
1625 SV *data; 1307 int fd = s_fileno_croak (fh, 0);
1626 dREQ; 1308 char *svptr;
1627 1309
1628 data = newSV (NAME_MAX); 1310 if (SvPOK (arg) || !SvNIOK (arg))
1629 SvPOK_on (data);
1630
1631 req->type = REQ_READLINK;
1632 req->sv1 = newSVsv (path);
1633 req->ptr2 = SvPVbyte_nolen (req->sv1);
1634 req->sv2 = data;
1635 req->ptr1 = SvPVbyte_nolen (data);
1636
1637 REQ_SEND;
1638}
1639
1640void
1641aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV length, SV *callback=&PL_sv_undef)
1642 PROTOTYPE: $$$$;$
1643 PPCODE:
1644{
1645 dREQ;
1646
1647 req->type = REQ_SENDFILE;
1648 req->sv1 = newSVsv (out_fh);
1649 req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh)));
1650 req->sv2 = newSVsv (in_fh);
1651 req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));
1652 req->offs = SvVAL64 (in_offset);
1653 req->size = length;
1654
1655 REQ_SEND;
1656}
1657
1658void
1659aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef)
1660 PROTOTYPE: $$$;$
1661 PPCODE:
1662{
1663 dREQ;
1664
1665 req->type = REQ_READAHEAD;
1666 req->sv1 = newSVsv (fh);
1667 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));
1668 req->offs = SvVAL64 (offset);
1669 req->size = length;
1670
1671 REQ_SEND;
1672}
1673
1674void
1675aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)
1676 ALIAS:
1677 aio_stat = REQ_STAT
1678 aio_lstat = REQ_LSTAT
1679 PPCODE:
1680{
1681 dREQ;
1682
1683 req->ptr2 = malloc (sizeof (Stat_t));
1684 if (!req->ptr2)
1685 { 1311 {
1686 req_destroy (req); 1312 STRLEN svlen;
1687 croak ("out of memory during aio_stat statdata allocation"); 1313 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1688 } 1314#ifdef IOCPARM_LEN
1315 STRLEN need = IOCPARM_LEN (request);
1316#else
1317 STRLEN need = 256;
1318#endif
1689 1319
1690 req->flags |= FLAG_PTR2_FREE; 1320 if (svlen < need)
1691 req->sv1 = newSVsv (fh_or_path); 1321 svptr = SvGROW (arg, need + 1);
1692
1693 if (SvPOK (fh_or_path))
1694 {
1695 req->type = ix;
1696 req->ptr1 = SvPVbyte_nolen (req->sv1);
1697 } 1322 }
1698 else 1323 else
1324 svptr = (char *)SvIV (arg);
1325
1699 { 1326 {
1327 dREQ;
1328
1700 req->type = REQ_FSTAT; 1329 req->type = ix;
1701 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); 1330 req->sv1 = newSVsv (fh);
1331 req->int1 = fd;
1332 req->int2 = (long)request;
1333 req->sv2 = SvREFCNT_inc (arg);
1334 req->ptr2 = svptr;
1335
1336 REQ_SEND;
1702 } 1337 }
1338}
1339
1340void
1341aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1342 ALIAS:
1343 aio_readlink = EIO_READLINK
1344 aio_realpath = EIO_REALPATH
1345 PPCODE:
1346{
1347 dREQ;
1348
1349 req->type = ix;
1350 req_set_path1 (req, pathname);
1703 1351
1704 REQ_SEND; 1352 REQ_SEND;
1705} 1353}
1706 1354
1707void 1355void
1356aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1357 PPCODE:
1358{
1359 int ifd = s_fileno_croak (in_fh , 0);
1360 int ofd = s_fileno_croak (out_fh, 1);
1361 dREQ;
1362
1363 req->type = EIO_SENDFILE;
1364 req->sv1 = newSVsv (out_fh);
1365 req->int1 = ofd;
1366 req->sv2 = newSVsv (in_fh);
1367 req->int2 = ifd;
1368 req->offs = in_offset;
1369 req->size = length;
1370
1371 REQ_SEND;
1372}
1373
1374void
1375aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1376 PPCODE:
1377{
1378 int fd = s_fileno_croak (fh, 0);
1379 dREQ;
1380
1381 req->type = EIO_READAHEAD;
1382 req->sv1 = newSVsv (fh);
1383 req->int1 = fd;
1384 req->offs = offset;
1385 req->size = length;
1386
1387 REQ_SEND;
1388}
1389
1390void
1391aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1392 ALIAS:
1393 aio_stat = EIO_STAT
1394 aio_lstat = EIO_LSTAT
1395 aio_statvfs = EIO_STATVFS
1396 PPCODE:
1397{
1398 dREQ;
1399
1400 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1401
1402 REQ_SEND;
1403}
1404
1405UV
1406major (UV dev)
1407 ALIAS:
1408 minor = 1
1409 CODE:
1410 RETVAL = ix ? major (dev) : minor (dev);
1411 OUTPUT:
1412 RETVAL
1413
1414UV
1415makedev (UV maj, UV min)
1416 CODE:
1417 RETVAL = makedev (maj, min);
1418 OUTPUT:
1419 RETVAL
1420
1421void
1708aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1422aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1709 PPCODE: 1423 PPCODE:
1710{ 1424{
1711 dREQ; 1425 dREQ;
1712 1426
1713 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1427 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1714 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1428 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1715 req->sv1 = newSVsv (fh_or_path); 1429 req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1716
1717 if (SvPOK (fh_or_path))
1718 {
1719 req->type = REQ_UTIME;
1720 req->ptr1 = SvPVbyte_nolen (req->sv1);
1721 }
1722 else
1723 {
1724 req->type = REQ_FUTIME;
1725 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1726 }
1727 1430
1728 REQ_SEND; 1431 REQ_SEND;
1729} 1432}
1730 1433
1731void 1434void
1732aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1435aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1733 PPCODE: 1436 PPCODE:
1734{ 1437{
1735 dREQ; 1438 dREQ;
1736 1439
1737 req->sv1 = newSVsv (fh_or_path);
1738 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1440 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1739 1441 req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1740 if (SvPOK (fh_or_path))
1741 {
1742 req->type = REQ_TRUNCATE;
1743 req->ptr1 = SvPVbyte_nolen (req->sv1);
1744 }
1745 else
1746 {
1747 req->type = REQ_FTRUNCATE;
1748 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1749 }
1750 1442
1751 REQ_SEND; 1443 REQ_SEND;
1752} 1444}
1753 1445
1754void 1446void
1755aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1447aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1756 PPCODE: 1448 PPCODE:
1757{ 1449{
1758 dREQ; 1450 dREQ;
1759 1451
1760 req->mode = mode; 1452 req->int2 = mode;
1761 req->sv1 = newSVsv (fh_or_path); 1453 req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1762
1763 if (SvPOK (fh_or_path))
1764 {
1765 req->type = REQ_CHMOD;
1766 req->ptr1 = SvPVbyte_nolen (req->sv1);
1767 }
1768 else
1769 {
1770 req->type = REQ_FCHMOD;
1771 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1772 }
1773 1454
1774 REQ_SEND; 1455 REQ_SEND;
1775} 1456}
1776 1457
1777void 1458void
1778aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1459aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1779 PPCODE: 1460 PPCODE:
1780{ 1461{
1781 dREQ; 1462 dREQ;
1782 1463
1783 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1464 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1784 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1465 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1785 req->sv1 = newSVsv (fh_or_path); 1466 req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1786
1787 if (SvPOK (fh_or_path))
1788 {
1789 req->type = REQ_CHOWN;
1790 req->ptr1 = SvPVbyte_nolen (req->sv1);
1791 }
1792 else
1793 {
1794 req->type = REQ_FCHOWN;
1795 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1796 }
1797 1467
1798 REQ_SEND; 1468 REQ_SEND;
1799} 1469}
1800 1470
1801void 1471void
1472aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1473 PPCODE:
1474{
1475 dREQ;
1476
1477 req->type = EIO_READDIR;
1478 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1479
1480 if (flags & EIO_READDIR_DENTS)
1481 req->int1 |= EIO_READDIR_CUSTOM2;
1482
1483 req_set_path1 (req, pathname);
1484
1485 REQ_SEND;
1486}
1487
1488void
1489aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1490 PPCODE:
1491{
1492 dREQ;
1493
1494 req->type = EIO_MKDIR;
1495 req->int2 = mode;
1496 req_set_path1 (req, pathname);
1497
1498 REQ_SEND;
1499}
1500
1501void
1802aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1502aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1803 ALIAS: 1503 ALIAS:
1804 aio_unlink = REQ_UNLINK 1504 aio_unlink = EIO_UNLINK
1805 aio_rmdir = REQ_RMDIR 1505 aio_rmdir = EIO_RMDIR
1806 aio_readdir = REQ_READDIR 1506 aio_readdir = EIO_READDIR
1807 PPCODE: 1507 PPCODE:
1808{ 1508{
1809 dREQ; 1509 dREQ;
1810 1510
1811 req->type = ix; 1511 req->type = ix;
1812 req->sv1 = newSVsv (pathname); 1512 req_set_path1 (req, pathname);
1813 req->ptr1 = SvPVbyte_nolen (req->sv1);
1814 1513
1815 REQ_SEND; 1514 REQ_SEND;
1816} 1515}
1817 1516
1818void 1517void
1819aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef) 1518aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1519 ALIAS:
1520 aio_link = EIO_LINK
1521 aio_symlink = EIO_SYMLINK
1522 aio_rename = EIO_RENAME
1820 PPCODE: 1523 PPCODE:
1821{ 1524{
1822 dREQ; 1525 eio_wd wd2 = 0;
1823
1824 req->type = REQ_MKDIR;
1825 req->sv1 = newSVsv (pathname);
1826 req->ptr1 = SvPVbyte_nolen (req->sv1);
1827 req->mode = mode;
1828
1829 REQ_SEND;
1830}
1831
1832void
1833aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef)
1834 ALIAS:
1835 aio_link = REQ_LINK
1836 aio_symlink = REQ_SYMLINK
1837 aio_rename = REQ_RENAME
1838 PPCODE:
1839{
1840 dREQ; 1526 dREQ;
1841 1527
1842 req->type = ix; 1528 req->type = ix;
1843 req->sv2 = newSVsv (oldpath); 1529 req_set_path1 (req, oldpath);
1844 req->ptr2 = SvPVbyte_nolen (req->sv2); 1530 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1845 req->sv1 = newSVsv (newpath); 1531 req->int3 = (long)wd2;
1846 req->ptr1 = SvPVbyte_nolen (req->sv1);
1847 1532
1848 REQ_SEND; 1533 REQ_SEND;
1849} 1534}
1850 1535
1851void 1536void
1852aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 1537aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1853 PPCODE: 1538 PPCODE:
1854{ 1539{
1855 dREQ; 1540 dREQ;
1856 1541
1857 req->type = REQ_MKNOD; 1542 req->type = EIO_MKNOD;
1858 req->sv1 = newSVsv (pathname);
1859 req->ptr1 = SvPVbyte_nolen (req->sv1);
1860 req->mode = (mode_t)mode; 1543 req->int2 = (mode_t)mode;
1861 req->offs = dev; 1544 req->offs = dev;
1545 req_set_path1 (req, pathname);
1862 1546
1863 REQ_SEND; 1547 REQ_SEND;
1864} 1548}
1865 1549
1866void 1550void
1551aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback = &PL_sv_undef)
1552 ALIAS:
1553 aio_mtouch = EIO_MTOUCH
1554 aio_msync = EIO_MSYNC
1555 PPCODE:
1556{
1557 STRLEN svlen;
1558 char *svptr = SvPVbyte (data, svlen);
1559 UV len = SvUV (length);
1560
1561 if (offset < 0)
1562 offset += svlen;
1563
1564 if (offset < 0 || offset > svlen)
1565 croak ("offset outside of scalar");
1566
1567 if (!SvOK (length) || len + offset > svlen)
1568 len = svlen - offset;
1569
1570 {
1571 dREQ;
1572
1573 req->type = ix;
1574 req->sv2 = SvREFCNT_inc (data);
1575 req->ptr2 = (char *)svptr + offset;
1576 req->size = len;
1577 req->int1 = flags;
1578
1579 REQ_SEND;
1580 }
1581}
1582
1583void
1584aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1585 PPCODE:
1586{
1587 STRLEN svlen;
1588 char *svptr = SvPVbyte (data, svlen);
1589 UV len = SvUV (length);
1590
1591 if (offset < 0)
1592 offset += svlen;
1593
1594 if (offset < 0 || offset > svlen)
1595 croak ("offset outside of scalar");
1596
1597 if (!SvOK (length) || len + offset > svlen)
1598 len = svlen - offset;
1599
1600 {
1601 dREQ;
1602
1603 req->type = EIO_MLOCK;
1604 req->sv2 = SvREFCNT_inc (data);
1605 req->ptr2 = (char *)svptr + offset;
1606 req->size = len;
1607
1608 REQ_SEND;
1609 }
1610}
1611
1612void
1613aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1614 PPCODE:
1615{
1616 dREQ;
1617
1618 req->type = EIO_MLOCKALL;
1619 req->int1 = flags;
1620
1621 REQ_SEND;
1622}
1623
1624void
1625aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
1626 PPCODE:
1627{
1628 int fd = s_fileno_croak (fh, 0);
1629 dREQ;
1630
1631 req->type = EIO_CUSTOM;
1632 req->sv1 = newSVsv (fh);
1633 req->int1 = fd;
1634
1635 req->feed = fiemap;
1636#if HAVE_FIEMAP
1637 /* keep our fingers crossed that the next two types are 64 bit */
1638 req->offs = start;
1639 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
1640 req->int2 = flags;
1641 req->int3 = SvOK (count) ? SvIV (count) : -1;
1642#endif
1643
1644 REQ_SEND;
1645}
1646
1647void
1867aio_busy (double delay, SV *callback=&PL_sv_undef) 1648aio_busy (double delay, SV *callback = &PL_sv_undef)
1868 PPCODE: 1649 PPCODE:
1869{ 1650{
1870 dREQ; 1651 dREQ;
1871 1652
1872 req->type = REQ_BUSY; 1653 req->type = EIO_BUSY;
1873 req->nv1 = delay < 0. ? 0. : delay; 1654 req->nv1 = delay < 0. ? 0. : delay;
1874 1655
1875 REQ_SEND; 1656 REQ_SEND;
1876} 1657}
1877 1658
1878void 1659void
1879aio_group (SV *callback=&PL_sv_undef) 1660aio_group (SV *callback = &PL_sv_undef)
1880 PROTOTYPE: ;$
1881 PPCODE: 1661 PPCODE:
1882{ 1662{
1883 dREQ; 1663 dREQ;
1884 1664
1885 req->type = REQ_GROUP; 1665 req->type = EIO_GROUP;
1886 1666
1667 PUTBACK;
1887 req_send (req); 1668 req_submit (req);
1669 SPAGAIN;
1670
1888 XPUSHs (req_sv (req, AIO_GRP_KLASS)); 1671 XPUSHs (req_sv (req, aio_grp_stash));
1889} 1672}
1890 1673
1891void 1674void
1892aio_nop (SV *callback=&PL_sv_undef) 1675aio_nop (SV *callback = &PL_sv_undef)
1676 ALIAS:
1677 aio_nop = EIO_NOP
1678 aio_sync = EIO_SYNC
1893 PPCODE: 1679 PPCODE:
1894{ 1680{
1895 dREQ; 1681 dREQ;
1896 1682
1897 req->type = REQ_NOP; 1683 req->type = ix;
1898 1684
1899 REQ_SEND; 1685 REQ_SEND;
1900} 1686}
1901 1687
1902int 1688int
1903aioreq_pri (int pri = 0) 1689aioreq_pri (int pri = NO_INIT)
1904 PROTOTYPE: ;$
1905 CODE: 1690 CODE:
1906 RETVAL = next_pri - PRI_BIAS; 1691 RETVAL = next_pri;
1907 if (items > 0) 1692 if (items > 0)
1908 { 1693 {
1909 if (pri < PRI_MIN) pri = PRI_MIN; 1694 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
1910 if (pri > PRI_MAX) pri = PRI_MAX; 1695 if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX;
1911 next_pri = pri + PRI_BIAS; 1696 next_pri = pri;
1912 } 1697 }
1913 OUTPUT: 1698 OUTPUT:
1914 RETVAL 1699 RETVAL
1915 1700
1916void 1701void
1917aioreq_nice (int nice = 0) 1702aioreq_nice (int nice = 0)
1918 CODE: 1703 CODE:
1919 nice = next_pri - nice; 1704 nice = next_pri - nice;
1920 if (nice < PRI_MIN) nice = PRI_MIN; 1705 if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN;
1921 if (nice > PRI_MAX) nice = PRI_MAX; 1706 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1922 next_pri = nice + PRI_BIAS; 1707 next_pri = nice;
1923 1708
1924void 1709void
1925flush () 1710flush ()
1926 PROTOTYPE:
1927 CODE: 1711 CODE:
1928 while (nreqs) 1712 while (eio_nreqs ())
1929 { 1713 {
1930 poll_wait (); 1714 poll_wait ();
1931 poll_cb (); 1715 poll_cb ();
1932 } 1716 }
1933 1717
1934int 1718int
1935poll() 1719poll ()
1936 PROTOTYPE:
1937 CODE: 1720 CODE:
1938 poll_wait (); 1721 poll_wait ();
1939 RETVAL = poll_cb (); 1722 RETVAL = poll_cb ();
1940 OUTPUT: 1723 OUTPUT:
1941 RETVAL 1724 RETVAL
1942 1725
1943int 1726int
1944poll_fileno() 1727poll_fileno ()
1945 PROTOTYPE:
1946 CODE: 1728 CODE:
1947 RETVAL = respipe [0]; 1729 RETVAL = s_epipe_fd (&respipe);
1948 OUTPUT: 1730 OUTPUT:
1949 RETVAL 1731 RETVAL
1950 1732
1951int 1733int
1952poll_cb(...) 1734poll_cb (...)
1953 PROTOTYPE: 1735 PROTOTYPE:
1954 CODE: 1736 CODE:
1955 RETVAL = poll_cb (); 1737 RETVAL = poll_cb ();
1956 OUTPUT: 1738 OUTPUT:
1957 RETVAL 1739 RETVAL
1958 1740
1959void 1741void
1960poll_wait() 1742poll_wait ()
1961 PROTOTYPE:
1962 CODE: 1743 CODE:
1963 poll_wait (); 1744 poll_wait ();
1964 1745
1965void
1966setsig (int signum = SIGIO)
1967 PROTOTYPE: ;$
1968 CODE:
1969{
1970 if (block_sig_level)
1971 croak ("cannot call IO::AIO::setsig from within aio_block/callback");
1972
1973 X_LOCK (reslock);
1974 main_tid = pthread_self ();
1975 main_sig = signum;
1976 X_UNLOCK (reslock);
1977
1978 if (main_sig && npending)
1979 pthread_kill (main_tid, main_sig);
1980}
1981
1982void
1983aio_block (SV *cb)
1984 PROTOTYPE: &
1985 PPCODE:
1986{
1987 int count;
1988
1989 block_sig ();
1990 PUSHMARK (SP);
1991 PUTBACK;
1992 count = call_sv (cb, GIMME_V | G_NOARGS | G_EVAL);
1993 SPAGAIN;
1994 unblock_sig ();
1995
1996 if (SvTRUE (ERRSV))
1997 croak (0);
1998
1999 XSRETURN (count);
2000}
2001
2002int 1746int
2003nreqs() 1747nreqs ()
2004 PROTOTYPE:
2005 CODE: 1748 CODE:
2006 RETVAL = nreqs; 1749 RETVAL = eio_nreqs ();
2007 OUTPUT: 1750 OUTPUT:
2008 RETVAL 1751 RETVAL
2009 1752
2010int 1753int
2011nready() 1754nready ()
2012 PROTOTYPE:
2013 CODE: 1755 CODE:
2014 RETVAL = get_nready (); 1756 RETVAL = eio_nready ();
2015 OUTPUT: 1757 OUTPUT:
2016 RETVAL 1758 RETVAL
2017 1759
2018int 1760int
2019npending() 1761npending ()
2020 PROTOTYPE:
2021 CODE: 1762 CODE:
2022 RETVAL = get_npending (); 1763 RETVAL = eio_npending ();
2023 OUTPUT: 1764 OUTPUT:
2024 RETVAL 1765 RETVAL
2025 1766
2026int 1767int
2027nthreads() 1768nthreads ()
2028 PROTOTYPE:
2029 CODE: 1769 CODE:
2030 if (WORDACCESS_UNSAFE) X_LOCK (wrklock); 1770 RETVAL = eio_nthreads ();
2031 RETVAL = started;
2032 if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
2033 OUTPUT: 1771 OUTPUT:
2034 RETVAL 1772 RETVAL
2035 1773
1774int
1775fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1776 CODE:
1777 RETVAL = posix_fadvise (fh, offset, length, advice);
1778 OUTPUT:
1779 RETVAL
1780
1781IV
1782sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1783 CODE:
1784 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1785 OUTPUT:
1786 RETVAL
1787
1788void
1789mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1790 PPCODE:
1791 sv_unmagic (scalar, MMAP_MAGIC);
1792{
1793 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1794 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1795 if (addr == (void *)-1)
1796 XSRETURN_NO;
1797
1798 sv_force_normal (scalar);
1799
1800 /* we store the length in mg_obj, as namlen is I32 :/ */
1801 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1802 ->mg_obj = (SV *)length;
1803
1804 SvUPGRADE (scalar, SVt_PV); /* nop... */
1805
1806 if (!(prot & PROT_WRITE))
1807 SvREADONLY_on (scalar);
1808
1809 if (SvLEN (scalar))
1810 Safefree (SvPVX (scalar));
1811
1812 SvPVX (scalar) = (char *)addr;
1813 SvCUR_set (scalar, length);
1814 SvLEN_set (scalar, 0);
1815 SvPOK_only (scalar);
1816
1817 XSRETURN_YES;
1818}
1819
1820void
1821munmap (SV *scalar)
1822 CODE:
1823 sv_unmagic (scalar, MMAP_MAGIC);
1824
1825int
1826madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1827 ALIAS:
1828 mprotect = 1
1829 CODE:
1830{
1831 STRLEN svlen;
1832 void *addr = SvPVbyte (scalar, svlen);
1833 STRLEN len = SvUV (length);
1834
1835 if (offset < 0)
1836 offset += svlen;
1837
1838 if (offset < 0 || offset > svlen)
1839 croak ("offset outside of scalar");
1840
1841 if (!SvOK (length) || len + offset > svlen)
1842 len = svlen - offset;
1843
1844 addr = (void *)(((intptr_t)addr) + offset);
1845 eio_page_align (&addr, &len);
1846
1847 switch (ix)
1848 {
1849 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
1850 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
1851 }
1852}
1853 OUTPUT:
1854 RETVAL
1855
1856int
1857munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
1858 CODE:
1859{
1860 STRLEN svlen;
1861 void *addr = SvPVbyte (scalar, svlen);
1862 size_t len = SvUV (length);
1863
1864 if (offset < 0)
1865 offset += svlen;
1866
1867 if (offset < 0 || offset > svlen)
1868 croak ("offset outside of scalar");
1869
1870 if (!SvOK (length) || len + offset > svlen)
1871 len = svlen - offset;
1872
1873 addr = (void *)(((intptr_t)addr) + offset);
1874 eio_page_align (&addr, &len);
1875#if _POSIX_MEMLOCK_RANGE
1876 RETVAL = munlock (addr, len);
1877#else
1878 RETVAL = EIO_ENOSYS ();
1879#endif
1880}
1881 OUTPUT:
1882 RETVAL
1883
1884int
1885munlockall ()
1886 CODE:
1887#if _POSIX_MEMLOCK
1888 munlockall ();
1889#else
1890 RETVAL = EIO_ENOSYS ();
1891#endif
1892 OUTPUT:
1893 RETVAL
1894
1895int
1896splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
1897 CODE:
1898{
1899#if HAVE_LINUX_SPLICE
1900 loff_t off_in_, off_out_;
1901 RETVAL = splice (
1902 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
1903 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
1904 length, flags
1905 );
1906#else
1907 RETVAL = EIO_ENOSYS ();
1908#endif
1909}
1910 OUTPUT:
1911 RETVAL
1912
1913int
1914tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
1915 CODE:
1916#if HAVE_LINUX_SPLICE
1917 RETVAL = tee (rfh, wfh, length, flags);
1918#else
1919 RETVAL = EIO_ENOSYS ();
1920#endif
1921 OUTPUT:
1922 RETVAL
1923
1924int
1925pipesize (aio_rfd rfh, int new_size = -1)
1926 PROTOTYPE: $;$
1927 CODE:
1928#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
1929 if (new_size >= 0)
1930 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
1931 else
1932 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
1933#else
1934 errno = ENOSYS;
1935 RETVAL = -1;
1936#endif
1937 OUTPUT:
1938 RETVAL
1939
1940void
1941pipe2 (int flags = 0)
1942 PROTOTYPE: ;$
1943 PPCODE:
1944{
1945 int fd[2];
1946 int res;
1947
1948 if (flags)
1949#if HAVE_PIPE2
1950 res = pipe2 (fd, flags);
1951#else
1952 res = (errno = ENOSYS, -1);
1953#endif
1954 else
1955 res = pipe (fd);
1956
1957 if (!res)
1958 {
1959 EXTEND (SP, 2);
1960 PUSHs (newmortalFH (fd[0], O_RDONLY));
1961 PUSHs (newmortalFH (fd[1], O_WRONLY));
1962 }
1963}
1964
1965void _on_next_submit (SV *cb)
1966 CODE:
1967 SvREFCNT_dec (on_next_submit);
1968 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1969
2036PROTOTYPES: DISABLE 1970PROTOTYPES: DISABLE
1971
1972MODULE = IO::AIO PACKAGE = IO::AIO::WD
1973
1974BOOT:
1975{
1976 newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
1977 newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
1978}
1979
1980void
1981DESTROY (SV *self)
1982 CODE:
1983{
1984 aio_wd wd = SvAIO_WD (self);
1985#if HAVE_AT
1986 {
1987 SV *callback = &PL_sv_undef;
1988 dREQ; /* clobbers next_pri :/ */
1989 next_pri = req->pri; /* restore next_pri */
1990 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
1991 req->type = EIO_WD_CLOSE;
1992 req->wd = wd;
1993 REQ_SEND;
1994 }
1995#else
1996 eio_wd_close_sync (wd);
1997#endif
1998}
2037 1999
2038MODULE = IO::AIO PACKAGE = IO::AIO::REQ 2000MODULE = IO::AIO PACKAGE = IO::AIO::REQ
2039 2001
2040void 2002void
2041cancel (aio_req_ornot req) 2003cancel (aio_req_ornot req)
2042 CODE: 2004 CODE:
2043 req_cancel (req); 2005 eio_cancel (req);
2044 2006
2045void 2007void
2046cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2008cb (aio_req_ornot req, SV *callback = NO_INIT)
2047 CODE: 2009 PPCODE:
2010{
2011 if (GIMME_V != G_VOID)
2012 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
2013
2014 if (items > 1)
2015 {
2016 SV *cb_cv = get_cb (callback);
2017
2048 SvREFCNT_dec (req->callback); 2018 SvREFCNT_dec (req->callback);
2049 req->callback = newSVsv (callback); 2019 req->callback = SvREFCNT_inc (cb_cv);
2020 }
2021}
2050 2022
2051MODULE = IO::AIO PACKAGE = IO::AIO::GRP 2023MODULE = IO::AIO PACKAGE = IO::AIO::GRP
2052 2024
2053void 2025void
2054add (aio_req grp, ...) 2026add (aio_req grp, ...)
2055 PPCODE: 2027 PPCODE:
2056{ 2028{
2057 int i; 2029 int i;
2058 aio_req req;
2059
2060 if (main_sig && !block_sig_level)
2061 croak ("aio_group->add called outside aio_block/callback context while IO::AIO::setsig is in use");
2062 2030
2063 if (grp->int1 == 2) 2031 if (grp->int1 == 2)
2064 croak ("cannot add requests to IO::AIO::GRP after the group finished"); 2032 croak ("cannot add requests to IO::AIO::GRP after the group finished");
2065 2033
2066 for (i = 1; i < items; ++i ) 2034 for (i = 1; i < items; ++i )
2067 { 2035 {
2036 aio_req req;
2037
2068 if (GIMME_V != G_VOID) 2038 if (GIMME_V != G_VOID)
2069 XPUSHs (sv_2mortal (newSVsv (ST (i)))); 2039 XPUSHs (sv_2mortal (newSVsv (ST (i))));
2070 2040
2071 req = SvAIO_REQ (ST (i)); 2041 req = SvAIO_REQ (ST (i));
2072 2042
2073 if (req) 2043 if (req)
2074 { 2044 eio_grp_add (grp, req);
2075 ++grp->size;
2076 req->grp = grp;
2077
2078 req->grp_prev = 0;
2079 req->grp_next = grp->grp_first;
2080
2081 if (grp->grp_first)
2082 grp->grp_first->grp_prev = req;
2083
2084 grp->grp_first = req;
2085 }
2086 } 2045 }
2087} 2046}
2088 2047
2089void 2048void
2090cancel_subs (aio_req_ornot req) 2049cancel_subs (aio_req_ornot req)
… …
2099 AV *av; 2058 AV *av;
2100 2059
2101 grp->errorno = errno; 2060 grp->errorno = errno;
2102 2061
2103 av = newAV (); 2062 av = newAV ();
2063 av_extend (av, items - 1);
2104 2064
2105 for (i = 1; i < items; ++i ) 2065 for (i = 1; i < items; ++i )
2106 av_push (av, newSVsv (ST (i))); 2066 av_push (av, newSVsv (ST (i)));
2107 2067
2108 SvREFCNT_dec (grp->sv1); 2068 SvREFCNT_dec (grp->sv1);
… …
2115 grp->errorno = errorno; 2075 grp->errorno = errorno;
2116 2076
2117void 2077void
2118limit (aio_req grp, int limit) 2078limit (aio_req grp, int limit)
2119 CODE: 2079 CODE:
2120 grp->int2 = limit; 2080 eio_grp_limit (grp, limit);
2121 aio_grp_feed (grp);
2122 2081
2123void 2082void
2124feed (aio_req grp, SV *callback=&PL_sv_undef) 2083feed (aio_req grp, SV *callback = &PL_sv_undef)
2125 CODE: 2084 CODE:
2126{ 2085{
2127 SvREFCNT_dec (grp->sv2); 2086 SvREFCNT_dec (grp->sv2);
2128 grp->sv2 = newSVsv (callback); 2087 grp->sv2 = newSVsv (callback);
2088 grp->feed = aio_grp_feed;
2129 2089
2130 if (grp->int2 <= 0) 2090 if (grp->int2 <= 0)
2131 grp->int2 = 2; 2091 grp->int2 = 2;
2132 2092
2133 aio_grp_feed (grp); 2093 eio_grp_limit (grp, grp->int2);
2134} 2094}
2135 2095

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