[ViewVC] Diff of: cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.43 by root, Sat Oct 21 23:06:04 2006 UTC vs.
Revision 1.50 by root, Sun Oct 22 21:13:47 2006 UTC

…		…
9		9
10	#include <pthread.h>	10	#include <pthread.h>
11		11
12	#include <stddef.h>	12	#include <stddef.h>
13	#include <errno.h>	13	#include <errno.h>
		14	#include <sys/time.h>
		15	#include <sys/select.h>
14	#include <sys/types.h>	16	#include <sys/types.h>
15	#include <sys/stat.h>	17	#include <sys/stat.h>
16	#include <limits.h>	18	#include <limits.h>
17	#include <unistd.h>	19	#include <unistd.h>
18	#include <fcntl.h>	20	#include <fcntl.h>
…		…
53	REQ_STAT, REQ_LSTAT, REQ_FSTAT,	55	REQ_STAT, REQ_LSTAT, REQ_FSTAT,
54	REQ_FSYNC, REQ_FDATASYNC,	56	REQ_FSYNC, REQ_FDATASYNC,
55	REQ_UNLINK, REQ_RMDIR, REQ_RENAME,	57	REQ_UNLINK, REQ_RMDIR, REQ_RENAME,
56	REQ_READDIR,	58	REQ_READDIR,
57	REQ_LINK, REQ_SYMLINK,	59	REQ_LINK, REQ_SYMLINK,
		60	REQ_SLEEP,
		61	REQ_GROUP,
58	};	62	};
59		63
60	#define AIO_CB_KLASS "IO::AIO::CB"	64	#define AIO_REQ_KLASS "IO::AIO::REQ"
		65	#define AIO_GRP_KLASS "IO::AIO::GRP"
61		66
62	typedef struct aio_cb	67	typedef struct aio_cb
63	{	68	{
64	struct aio_cb grp_prev, grp_next;
65	struct aio_grp *grp;
66
67	struct aio_cb *volatile next;	69	struct aio_cb *volatile next;
		70
		71	struct aio_cb grp, grp_prev, grp_next, grp_first;
68		72
69	SV self; / the perl counterpart of this request, if any */	73	SV self; / the perl counterpart of this request, if any */
70		74
71	SV data, callback;	75	SV data, callback;
72	SV fh, fh2;	76	SV fh, fh2;
…		…
97	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	101	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;
98		102
99	static volatile aio_req reqs, reqe; /* queue start, queue end */	103	static volatile aio_req reqs, reqe; /* queue start, queue end */
100	static volatile aio_req ress, rese; /* queue start, queue end */	104	static volatile aio_req ress, rese; /* queue start, queue end */
101		105
102	typedef struct aio_grp	106	static void req_invoke (aio_req req);
103	{	107	static void req_free (aio_req req);
104	struct aio_cb first, last;
105	SV *callback;
106	int busycount;
107	} aio_grp;
108
109	static void aio_grp_begin (aio_grp *grp)
110	{
111	++grp->busycount;
112	}
113
114	static void aio_grp_end (aio_grp *grp)
115	{
116	--grp->busycount;
117
118	if (grp->busycount)
119	return;
120
121	SvREFCNT_dec (grp->callback);
122	grp->callback = 0;
123	}
124
125	static aio_grp *aio_grp_new ()
126	{
127	aio_grp *grp;
128
129	Newz (0, grp, 1, aio_grp);
130	aio_grp_begin (grp);
131
132	return grp;
133	}
134		108
135	/* must be called at most once */	109	/* must be called at most once */
136	static SV *req_sv (aio_req req)	110	static SV req_sv (aio_req req, const char klass)
137	{	111	{
		112	if (!req->self)
		113	{
138	req->self = (SV *)newHV ();	114	req->self = (SV *)newHV ();
139	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	115	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
		116	}
140		117
141	return sv_bless (newRV_noinc (req->self), gv_stashpv (AIO_CB_KLASS, 1));	118	return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1)));
142	}	119	}
143		120
144	static aio_req SvAIO_REQ (SV *sv)	121	static aio_req SvAIO_REQ (SV *sv)
145	{	122	{
146	if (!sv_derived_from (sv, AIO_CB_KLASS) \|\| !SvROK (sv))	123	if (!sv_derived_from (sv, AIO_REQ_KLASS) \|\| !SvROK (sv))
147	croak ("object of class " AIO_CB_KLASS " expected");	124	croak ("object of class " AIO_REQ_KLASS " expected");
148		125
149	MAGIC *mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	126	MAGIC *mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
150		127
151	return mg ? (aio_req)mg->mg_ptr : 0;	128	return mg ? (aio_req)mg->mg_ptr : 0;
152	}	129	}
153		130
154	static void req_free (aio_req req)	131	static void aio_grp_feed (aio_req grp)
155	{	132	{
156	if (req->self)	133	while (grp->length < grp->fd2)
157	{
158	sv_unmagic (req->self, PERL_MAGIC_ext);
159	SvREFCNT_dec (req->self);
160	}	134	{
		135	int old_len = grp->length;
161		136
162	if (req->data)	137	if (grp->fh2 && SvOK (grp->fh2))
163	SvREFCNT_dec (req->data);	138	{
		139	dSP;
164		140
165	if (req->fh)	141	ENTER;
166	SvREFCNT_dec (req->fh);	142	SAVETMPS;
		143	PUSHMARK (SP);
		144	XPUSHs (req_sv (grp, AIO_GRP_KLASS));
		145	PUTBACK;
		146	call_sv (grp->fh2, G_VOID \| G_EVAL);
		147	SPAGAIN;
		148	FREETMPS;
		149	LEAVE;
		150	}
167		151
168	if (req->fh2)	152	/* stop if no progress has been made */
		153	if (old_len == grp->length)
		154	{
169	SvREFCNT_dec (req->fh2);	155	SvREFCNT_dec (grp->fh2);
170		156	grp->fh2 = 0;
171	if (req->statdata)	157	break;
172	Safefree (req->statdata);	158	}
173		159	}
174	if (req->callback)
175	SvREFCNT_dec (req->callback);
176
177	if (req->type == REQ_READDIR && req->result >= 0)
178	free (req->data2ptr);
179
180	Safefree (req);
181	}	160	}
182		161
183	static void	162	static void aio_grp_dec (aio_req grp)
184	poll_wait ()	163	{
		164	--grp->length;
		165
		166	/* call feeder, if applicable */
		167	aio_grp_feed (grp);
		168
		169	/* finish, if done */
		170	if (!grp->length && grp->fd)
		171	{
		172	req_invoke (grp);
		173	req_free (grp);
		174	}
		175	}
		176
		177	static void poll_wait ()
185	{	178	{
186	if (nreqs && !ress)	179	if (nreqs && !ress)
187	{	180	{
188	fd_set rfd;	181	fd_set rfd;
189	FD_ZERO(&rfd);	182	FD_ZERO(&rfd);
…		…
191		184
192	select (respipe [0] + 1, &rfd, 0, 0, 0);	185	select (respipe [0] + 1, &rfd, 0, 0, 0);
193	}	186	}
194	}	187	}
195		188
196	static int	189	static void req_invoke (aio_req req)
197	poll_cb ()	190	{
		191	dSP;
		192	int errorno = errno;
		193
		194	if (req->cancelled \|\| !SvOK (req->callback))
		195	return;
		196
		197	errno = req->errorno;
		198
		199	ENTER;
		200	SAVETMPS;
		201	PUSHMARK (SP);
		202	EXTEND (SP, 1);
		203
		204	switch (req->type)
		205	{
		206	case REQ_READDIR:
		207	{
		208	SV *rv = &PL_sv_undef;
		209
		210	if (req->result >= 0)
		211	{
		212	char *buf = req->data2ptr;
		213	AV *av = newAV ();
		214
		215	while (req->result)
		216	{
		217	SV *sv = newSVpv (buf, 0);
		218
		219	av_push (av, sv);
		220	buf += SvCUR (sv) + 1;
		221	req->result--;
		222	}
		223
		224	rv = sv_2mortal (newRV_noinc ((SV *)av));
		225	}
		226
		227	PUSHs (rv);
		228	}
		229	break;
		230
		231	case REQ_OPEN:
		232	{
		233	/* convert fd to fh */
		234	SV *fh;
		235
		236	PUSHs (sv_2mortal (newSViv (req->result)));
		237	PUTBACK;
		238	call_pv ("IO::AIO::_fd2fh", G_SCALAR \| G_EVAL);
		239	SPAGAIN;
		240
		241	fh = SvREFCNT_inc (POPs);
		242
		243	PUSHMARK (SP);
		244	XPUSHs (sv_2mortal (fh));
		245	}
		246	break;
		247
		248	case REQ_GROUP:
		249	req->fd = 2; /* mark group as finished */
		250
		251	if (req->data)
		252	{
		253	int i;
		254	AV av = (AV )req->data;
		255
		256	EXTEND (SP, AvFILL (av) + 1);
		257	for (i = 0; i <= AvFILL (av); ++i)
		258	PUSHs (*av_fetch (av, i, 0));
		259	}
		260	break;
		261
		262	case REQ_SLEEP:
		263	break;
		264
		265	default:
		266	PUSHs (sv_2mortal (newSViv (req->result)));
		267	break;
		268	}
		269
		270
		271	PUTBACK;
		272	call_sv (req->callback, G_VOID \| G_EVAL);
		273	SPAGAIN;
		274
		275	if (SvTRUE (ERRSV))
		276	{
		277	req_free (req);
		278	croak (0);
		279	}
		280
		281	FREETMPS;
		282	LEAVE;
		283
		284	errno = errorno;
		285	}
		286
		287	static void req_free (aio_req req)
		288	{
		289	if (req->grp)
		290	{
		291	aio_req grp = req->grp;
		292
		293	/* unlink request */
		294	if (req->grp_next) req->grp_next->grp_prev = req->grp_prev;
		295	if (req->grp_prev) req->grp_prev->grp_next = req->grp_next;
		296
		297	if (grp->grp_first == req)
		298	grp->grp_first = req->grp_next;
		299
		300	aio_grp_dec (grp);
		301	}
		302
		303	if (req->self)
		304	{
		305	sv_unmagic (req->self, PERL_MAGIC_ext);
		306	SvREFCNT_dec (req->self);
		307	}
		308
		309	SvREFCNT_dec (req->data);
		310	SvREFCNT_dec (req->fh);
		311	SvREFCNT_dec (req->fh2);
		312	SvREFCNT_dec (req->callback);
		313	Safefree (req->statdata);
		314
		315	if (req->type == REQ_READDIR && req->result >= 0)
		316	free (req->data2ptr);
		317
		318	Safefree (req);
		319	}
		320
		321	static void req_cancel (aio_req req)
		322	{
		323	req->cancelled = 1;
		324
		325	if (req->type == REQ_GROUP)
		326	{
		327	aio_req sub;
		328
		329	for (sub = req->grp_first; sub; sub = sub->grp_next)
		330	req_cancel (sub);
		331	}
		332	}
		333
		334	static int poll_cb ()
198	{	335	{
199	dSP;	336	dSP;
200	int count = 0;	337	int count = 0;
201	int do_croak = 0;	338	int do_croak = 0;
202	aio_req req;	339	aio_req req;
…		…
224	pthread_mutex_unlock (&reslock);	361	pthread_mutex_unlock (&reslock);
225		362
226	if (!req)	363	if (!req)
227	break;	364	break;
228		365
229	nreqs--;	366	--nreqs;
230		367
231	if (req->type == REQ_QUIT)	368	if (req->type == REQ_QUIT)
232	started--;	369	started--;
		370	else if (req->type == REQ_GROUP && req->length)
		371	{
		372	req->fd = 1; /* mark request as delayed */
		373	continue;
		374	}
233	else	375	else
234	{	376	{
235	int errorno = errno;
236	errno = req->errorno;
237
238	if (req->type == REQ_READ)	377	if (req->type == REQ_READ)
239	SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0));	378	SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0));
240		379
241	if (req->data2ptr && (req->type == REQ_READ \|\| req->type == REQ_WRITE))	380	if (req->data2ptr && (req->type == REQ_READ \|\| req->type == REQ_WRITE))
242	SvREADONLY_off (req->data);	381	SvREADONLY_off (req->data);
…		…
246	PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT;	385	PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT;
247	PL_laststatval = req->result;	386	PL_laststatval = req->result;
248	PL_statcache = *(req->statdata);	387	PL_statcache = *(req->statdata);
249	}	388	}
250		389
251	ENTER;	390	req_invoke (req);
252	PUSHMARK (SP);
253		391
254	if (req->type == REQ_READDIR)
255	{
256	SV *rv = &PL_sv_undef;
257
258	if (req->result >= 0)
259	{
260	char *buf = req->data2ptr;
261	AV *av = newAV ();
262
263	while (req->result)
264	{
265	SV *sv = newSVpv (buf, 0);
266
267	av_push (av, sv);
268	buf += SvCUR (sv) + 1;
269	req->result--;
270	}
271
272	rv = sv_2mortal (newRV_noinc ((SV *)av));
273	}
274
275	XPUSHs (rv);
276	}
277	else
278	{
279	XPUSHs (sv_2mortal (newSViv (req->result)));
280
281	if (req->type == REQ_OPEN)
282	{
283	/* convert fd to fh */
284	SV *fh;
285
286	PUTBACK;
287	call_pv ("IO::AIO::_fd2fh", G_SCALAR \| G_EVAL);
288	SPAGAIN;
289
290	fh = SvREFCNT_inc (POPs);
291
292	PUSHMARK (SP);
293	XPUSHs (sv_2mortal (fh));
294	}
295	}
296
297	if (SvOK (req->callback) && !req->cancelled)
298	{
299	PUTBACK;
300	call_sv (req->callback, G_VOID \| G_EVAL);
301	SPAGAIN;
302
303	if (SvTRUE (ERRSV))
304	{
305	req_free (req);
306	croak (0);
307	}
308	}
309
310	LEAVE;
311
312	errno = errorno;
313	count++;	392	count++;
314	}	393	}
315		394
316	req_free (req);	395	req_free (req);
317	}	396	}
…		…
319	return count;	398	return count;
320	}	399	}
321		400
322	static void aio_proc(void arg);	401	static void aio_proc(void arg);
323		402
324	static void
325	start_thread (void)	403	static void start_thread (void)
326	{	404	{
327	sigset_t fullsigset, oldsigset;	405	sigset_t fullsigset, oldsigset;
328	pthread_t tid;	406	pthread_t tid;
329	pthread_attr_t attr;	407	pthread_attr_t attr;
330		408
…		…
339	started++;	417	started++;
340		418
341	sigprocmask (SIG_SETMASK, &oldsigset, 0);	419	sigprocmask (SIG_SETMASK, &oldsigset, 0);
342	}	420	}
343		421
344	static void
345	req_send (aio_req req)	422	static void req_send (aio_req req)
346	{	423	{
347	while (started < wanted && nreqs >= started)	424	while (started < wanted && nreqs >= started)
348	start_thread ();	425	start_thread ();
349		426
350	nreqs++;	427	++nreqs;
351		428
352	pthread_mutex_lock (&reqlock);	429	pthread_mutex_lock (&reqlock);
353		430
354	req->next = 0;	431	req->next = 0;
355		432
…		…
374		451
375	poll_wait ();	452	poll_wait ();
376	}	453	}
377	}	454	}
378		455
379	static void	456	static void end_thread (void)
380	end_thread (void)
381	{	457	{
382	aio_req req;	458	aio_req req;
383	Newz (0, req, 1, aio_cb);	459	Newz (0, req, 1, aio_cb);
384	req->type = REQ_QUIT;	460	req->type = REQ_QUIT;
385		461
…		…
436	* normal read/write by using a mutex. slows down execution a lot,	512	* normal read/write by using a mutex. slows down execution a lot,
437	* but that's your problem, not mine.	513	* but that's your problem, not mine.
438	*/	514	*/
439	static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER;	515	static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER;
440		516
441	static ssize_t	517	static ssize_t pread (int fd, void *buf, size_t count, off_t offset)
442	pread (int fd, void *buf, size_t count, off_t offset)
443	{	518	{
444	ssize_t res;	519	ssize_t res;
445	off_t ooffset;	520	off_t ooffset;
446		521
447	pthread_mutex_lock (&preadwritelock);	522	pthread_mutex_lock (&preadwritelock);
…		…
452	pthread_mutex_unlock (&preadwritelock);	527	pthread_mutex_unlock (&preadwritelock);
453		528
454	return res;	529	return res;
455	}	530	}
456		531
457	static ssize_t
458	pwrite (int fd, void *buf, size_t count, off_t offset)	532	static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset)
459	{	533	{
460	ssize_t res;	534	ssize_t res;
461	off_t ooffset;	535	off_t ooffset;
462		536
463	pthread_mutex_lock (&preadwritelock);	537	pthread_mutex_lock (&preadwritelock);
…		…
476	#endif	550	#endif
477		551
478	#if !HAVE_READAHEAD	552	#if !HAVE_READAHEAD
479	# define readahead aio_readahead	553	# define readahead aio_readahead
480		554
481	static ssize_t
482	readahead (int fd, off_t offset, size_t count)	555	static ssize_t readahead (int fd, off_t offset, size_t count)
483	{	556	{
484	char readahead_buf[4096];	557	char readahead_buf[4096];
485		558
486	while (count > 0)	559	while (count > 0)
487	{	560	{
…		…
499	#if !HAVE_READDIR_R	572	#if !HAVE_READDIR_R
500	# define readdir_r aio_readdir_r	573	# define readdir_r aio_readdir_r
501		574
502	static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER;	575	static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER;
503		576
504	static int
505	readdir_r (DIR dirp, struct dirent ent, struct dirent **res)	577	static int readdir_r (DIR dirp, struct dirent ent, struct dirent **res)
506	{	578	{
507	struct dirent *e;	579	struct dirent *e;
508	int errorno;	580	int errorno;
509		581
510	pthread_mutex_lock (&readdirlock);	582	pthread_mutex_lock (&readdirlock);
…		…
526	return e ? 0 : -1;	598	return e ? 0 : -1;
527	}	599	}
528	#endif	600	#endif
529		601
530	/* sendfile always needs emulation */	602	/* sendfile always needs emulation */
531	static ssize_t
532	sendfile_ (int ofd, int ifd, off_t offset, size_t count)	603	static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count)
533	{	604	{
534	ssize_t res;	605	ssize_t res;
535		606
536	if (!count)	607	if (!count)
537	return 0;	608	return 0;
…		…
619		690
620	return res;	691	return res;
621	}	692	}
622		693
623	/* read a full directory */	694	/* read a full directory */
624	static int
625	scandir_ (const char path, void *namesp)	695	static int scandir_ (const char path, void *namesp)
626	{	696	{
627	DIR *dirp = opendir (path);	697	DIR *dirp = opendir (path);
628	union	698	union
629	{	699	{
630	struct dirent d;	700	struct dirent d;
…		…
684	return res;	754	return res;
685	}	755	}
686		756
687	/*****************************************************************************/	757	/*****************************************************************************/
688		758
689	static void *
690	aio_proc (void *thr_arg)	759	static void aio_proc (void thr_arg)
691	{	760	{
692	aio_req req;	761	aio_req req;
693	int type;	762	int type;
694		763
695	do	764	do
…		…
715	pthread_mutex_unlock (&reqlock);	784	pthread_mutex_unlock (&reqlock);
716		785
717	errno = 0; /* strictly unnecessary */	786	errno = 0; /* strictly unnecessary */
718		787
719	if (!req->cancelled)	788	if (!req->cancelled)
720	switch (req->type)	789	switch (type = req->type) /* remember type for QUIT check */
721	{	790	{
722	case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break;	791	case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break;
723	case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break;	792	case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break;
724		793
725	case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break;	794	case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break;
…		…
738	case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break;	807	case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break;
739		808
740	case REQ_FDATASYNC: req->result = fdatasync (req->fd); break;	809	case REQ_FDATASYNC: req->result = fdatasync (req->fd); break;
741	case REQ_FSYNC: req->result = fsync (req->fd); break;	810	case REQ_FSYNC: req->result = fsync (req->fd); break;
742	case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break;	811	case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break;
		812
		813	case REQ_SLEEP:
		814	{
		815	struct timeval tv;
		816
		817	tv.tv_sec = req->fd;
		818	tv.tv_usec = req->fd2;
		819
		820	req->result = select (0, 0, 0, 0, &tv);
		821	}
743		822
744	case REQ_QUIT:	823	case REQ_QUIT:
745	break;	824	break;
746		825
747	default:	826	default:
…		…
846		925
847	#define REQ_SEND \	926	#define REQ_SEND \
848	req_send (req); \	927	req_send (req); \
849	\	928	\
850	if (GIMME_V != G_VOID) \	929	if (GIMME_V != G_VOID) \
851	XPUSHs (req_sv (req));	930	XPUSHs (req_sv (req, AIO_REQ_KLASS));
852		931
853	MODULE = IO::AIO PACKAGE = IO::AIO	932	MODULE = IO::AIO PACKAGE = IO::AIO
854		933
855	PROTOTYPES: ENABLE	934	PROTOTYPES: ENABLE
856		935
…		…
1103	req->dataptr = SvPVbyte_nolen (req->data);	1182	req->dataptr = SvPVbyte_nolen (req->data);
1104		1183
1105	REQ_SEND;	1184	REQ_SEND;
1106	}	1185	}
1107		1186
1108	#if 0
1109
1110	# undocumented, because it does not cancel active requests
1111	void	1187	void
1112	cancel_most_requests ()	1188	aio_sleep (delay,callback=&PL_sv_undef)
		1189	double delay
		1190	SV * callback
		1191	PPCODE:
		1192	{
		1193	dREQ;
		1194
		1195	req->type = REQ_SLEEP;
		1196	req->fd = delay < 0. ? 0 : delay;
		1197	req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd);
		1198
		1199	REQ_SEND;
		1200	}
		1201
		1202	void
		1203	aio_group (callback=&PL_sv_undef)
		1204	SV * callback
1113	PROTOTYPE:	1205	PROTOTYPE: ;$
1114	CODE:	1206	PPCODE:
1115	{	1207	{
1116	aio_req *req;	1208	dREQ;
1117		1209	req->type = REQ_GROUP;
1118	pthread_mutex_lock (&reqlock);	1210	req_send (req);
1119	for (req = reqs; req; req = req->next)	1211	XPUSHs (req_sv (req, AIO_GRP_KLASS));
1120	req->flags \|= 1;
1121	pthread_mutex_unlock (&reqlock);
1122
1123	pthread_mutex_lock (&reslock);
1124	for (req = ress; req; req = req->next)
1125	req->flags \|= 1;
1126	pthread_mutex_unlock (&reslock);
1127	}	1212	}
1128
1129	#endif
1130		1213
1131	void	1214	void
1132	flush ()	1215	flush ()
1133	PROTOTYPE:	1216	PROTOTYPE:
1134	CODE:	1217	CODE:
…		…
1177	CODE:	1260	CODE:
1178	RETVAL = nreqs;	1261	RETVAL = nreqs;
1179	OUTPUT:	1262	OUTPUT:
1180	RETVAL	1263	RETVAL
1181		1264
		1265	PROTOTYPES: DISABLE
		1266
1182	MODULE = IO::AIO PACKAGE = IO::AIO::CB	1267	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1183		1268
1184	void	1269	void
1185	cancel (aio_req_ornot req)	1270	cancel (aio_req_ornot req)
1186	PROTOTYPE:	1271	PROTOTYPE:
1187	CODE:	1272	CODE:
1188	req->cancelled = 1;	1273	req_cancel (req);
1189		1274
		1275	MODULE = IO::AIO PACKAGE = IO::AIO::GRP
		1276
		1277	void
		1278	add (aio_req grp, ...)
		1279	PPCODE:
		1280	{
		1281	int i;
		1282
		1283	if (grp->fd == 2)
		1284	croak ("cannot add requests to IO::AIO::GRP after the group finished");
		1285
		1286	for (i = 1; i < items; ++i )
		1287	{
		1288	if (GIMME_V != G_VOID)
		1289	XPUSHs (sv_2mortal (newSVsv (ST (i))));
		1290
		1291	aio_req req = SvAIO_REQ (ST (i));
		1292
		1293	if (req)
		1294	{
		1295	++grp->length;
		1296	req->grp = grp;
		1297
		1298	req->grp_prev = 0;
		1299	req->grp_next = grp->grp_first;
		1300
		1301	if (grp->grp_first)
		1302	grp->grp_first->grp_prev = req;
		1303
		1304	grp->grp_first = req;
		1305	}
		1306	}
		1307	}
		1308
		1309	void
		1310	lock (aio_req grp)
		1311	CODE:
		1312	++grp->length;
		1313
		1314	void
		1315	unlock (aio_req grp)
		1316	CODE:
		1317	aio_grp_dec (grp);
		1318
		1319	void
		1320	feeder_limit (aio_req grp, int limit)
		1321	CODE:
		1322	grp->fd2 = limit;
		1323	aio_grp_feed (grp);
		1324
		1325	void
		1326	set_feeder (aio_req grp, SV *callback=&PL_sv_undef)
		1327	CODE:
		1328	{
		1329	SvREFCNT_dec (grp->fh2);
		1330	grp->fh2 = newSVsv (callback);
		1331
		1332	if (grp->fd2 <= 0)
		1333	grp->fd2 = 2;
		1334
		1335	aio_grp_feed (grp);
		1336	}
		1337

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Comparing IO-AIO/AIO.xs (file contents): Revision 1.43 by root, Sat Oct 21 23:06:04 2006 UTC vs. Revision 1.50 by root, Sun Oct 22 21:13:47 2006 UTC

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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.43 by root, Sat Oct 21 23:06:04 2006 UTC vs.
Revision 1.50 by root, Sun Oct 22 21:13:47 2006 UTC