[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 1.55 by root, Mon Oct 23 00:47:29 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_GROUP, REQ_NOP,
		61	REQ_SLEEP,
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	{
		123	MAGIC *mg;
		124
146	if (!sv_derived_from (sv, AIO_CB_KLASS) \|\| !SvROK (sv))	125	if (!sv_derived_from (sv, AIO_REQ_KLASS) \|\| !SvROK (sv))
147	croak ("object of class " AIO_CB_KLASS " expected");	126	croak ("object of class " AIO_REQ_KLASS " expected");
148		127
149	MAGIC *mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	128	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
150		129
151	return mg ? (aio_req)mg->mg_ptr : 0;	130	return mg ? (aio_req)mg->mg_ptr : 0;
152	}	131	}
153		132
154	static void req_free (aio_req req)	133	static void aio_grp_feed (aio_req grp)
155	{	134	{
156	if (req->self)	135	while (grp->length < grp->fd2)
157	{
158	sv_unmagic (req->self, PERL_MAGIC_ext);
159	SvREFCNT_dec (req->self);
160	}	136	{
		137	int old_len = grp->length;
161		138
162	if (req->data)	139	if (grp->fh2 && SvOK (grp->fh2))
163	SvREFCNT_dec (req->data);	140	{
		141	dSP;
164		142
165	if (req->fh)	143	ENTER;
166	SvREFCNT_dec (req->fh);	144	SAVETMPS;
		145	PUSHMARK (SP);
		146	XPUSHs (req_sv (grp, AIO_GRP_KLASS));
		147	PUTBACK;
		148	call_sv (grp->fh2, G_VOID \| G_EVAL);
		149	SPAGAIN;
		150	FREETMPS;
		151	LEAVE;
		152	}
167		153
168	if (req->fh2)	154	/* stop if no progress has been made */
		155	if (old_len == grp->length)
		156	{
169	SvREFCNT_dec (req->fh2);	157	SvREFCNT_dec (grp->fh2);
170		158	grp->fh2 = 0;
171	if (req->statdata)	159	break;
172	Safefree (req->statdata);	160	}
173		161	}
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	}	162	}
182		163
183	static void	164	static void aio_grp_dec (aio_req grp)
184	poll_wait ()	165	{
		166	--grp->length;
		167
		168	/* call feeder, if applicable */
		169	aio_grp_feed (grp);
		170
		171	/* finish, if done */
		172	if (!grp->length && grp->fd)
		173	{
		174	req_invoke (grp);
		175	req_free (grp);
		176	}
		177	}
		178
		179	static void poll_wait ()
185	{	180	{
186	if (nreqs && !ress)	181	if (nreqs && !ress)
187	{	182	{
188	fd_set rfd;	183	fd_set rfd;
189	FD_ZERO(&rfd);	184	FD_ZERO(&rfd);
…		…
191		186
192	select (respipe [0] + 1, &rfd, 0, 0, 0);	187	select (respipe [0] + 1, &rfd, 0, 0, 0);
193	}	188	}
194	}	189	}
195		190
196	static int	191	static void req_invoke (aio_req req)
197	poll_cb ()	192	{
		193	dSP;
		194	int errorno = errno;
		195
		196	if (req->cancelled \|\| !SvOK (req->callback))
		197	return;
		198
		199	errno = req->errorno;
		200
		201	ENTER;
		202	SAVETMPS;
		203	PUSHMARK (SP);
		204	EXTEND (SP, 1);
		205
		206	switch (req->type)
		207	{
		208	case REQ_READDIR:
		209	{
		210	SV *rv = &PL_sv_undef;
		211
		212	if (req->result >= 0)
		213	{
		214	char *buf = req->data2ptr;
		215	AV *av = newAV ();
		216
		217	while (req->result)
		218	{
		219	SV *sv = newSVpv (buf, 0);
		220
		221	av_push (av, sv);
		222	buf += SvCUR (sv) + 1;
		223	req->result--;
		224	}
		225
		226	rv = sv_2mortal (newRV_noinc ((SV *)av));
		227	}
		228
		229	PUSHs (rv);
		230	}
		231	break;
		232
		233	case REQ_OPEN:
		234	{
		235	/* convert fd to fh */
		236	SV *fh;
		237
		238	PUSHs (sv_2mortal (newSViv (req->result)));
		239	PUTBACK;
		240	call_pv ("IO::AIO::_fd2fh", G_SCALAR \| G_EVAL);
		241	SPAGAIN;
		242
		243	fh = SvREFCNT_inc (POPs);
		244
		245	PUSHMARK (SP);
		246	XPUSHs (sv_2mortal (fh));
		247	}
		248	break;
		249
		250	case REQ_GROUP:
		251	req->fd = 2; /* mark group as finished */
		252
		253	if (req->data)
		254	{
		255	int i;
		256	AV av = (AV )req->data;
		257
		258	EXTEND (SP, AvFILL (av) + 1);
		259	for (i = 0; i <= AvFILL (av); ++i)
		260	PUSHs (*av_fetch (av, i, 0));
		261	}
		262	break;
		263
		264	case REQ_NOP:
		265	case REQ_SLEEP:
		266	break;
		267
		268	default:
		269	PUSHs (sv_2mortal (newSViv (req->result)));
		270	break;
		271	}
		272
		273
		274	PUTBACK;
		275	call_sv (req->callback, G_VOID \| G_EVAL);
		276	SPAGAIN;
		277
		278	FREETMPS;
		279	LEAVE;
		280
		281	errno = errorno;
		282
		283	if (SvTRUE (ERRSV))
		284	{
		285	req_free (req);
		286	croak (0);
		287	}
		288	}
		289
		290	static void req_free (aio_req req)
		291	{
		292	if (req->grp)
		293	{
		294	aio_req grp = req->grp;
		295
		296	/* unlink request */
		297	if (req->grp_next) req->grp_next->grp_prev = req->grp_prev;
		298	if (req->grp_prev) req->grp_prev->grp_next = req->grp_next;
		299
		300	if (grp->grp_first == req)
		301	grp->grp_first = req->grp_next;
		302
		303	aio_grp_dec (grp);
		304	}
		305
		306	if (req->self)
		307	{
		308	sv_unmagic (req->self, PERL_MAGIC_ext);
		309	SvREFCNT_dec (req->self);
		310	}
		311
		312	SvREFCNT_dec (req->data);
		313	SvREFCNT_dec (req->fh);
		314	SvREFCNT_dec (req->fh2);
		315	SvREFCNT_dec (req->callback);
		316	Safefree (req->statdata);
		317
		318	if (req->type == REQ_READDIR && req->result >= 0)
		319	free (req->data2ptr);
		320
		321	Safefree (req);
		322	}
		323
		324	static void req_cancel (aio_req req)
		325	{
		326	req->cancelled = 1;
		327
		328	if (req->type == REQ_GROUP)
		329	{
		330	aio_req sub;
		331
		332	for (sub = req->grp_first; sub; sub = sub->grp_next)
		333	req_cancel (sub);
		334	}
		335	}
		336
		337	static int poll_cb ()
198	{	338	{
199	dSP;	339	dSP;
200	int count = 0;	340	int count = 0;
201	int do_croak = 0;	341	int do_croak = 0;
202	aio_req req;	342	aio_req req;
…		…
224	pthread_mutex_unlock (&reslock);	364	pthread_mutex_unlock (&reslock);
225		365
226	if (!req)	366	if (!req)
227	break;	367	break;
228		368
229	nreqs--;	369	--nreqs;
230		370
231	if (req->type == REQ_QUIT)	371	if (req->type == REQ_QUIT)
232	started--;	372	started--;
		373	else if (req->type == REQ_GROUP && req->length)
		374	{
		375	req->fd = 1; /* mark request as delayed */
		376	continue;
		377	}
233	else	378	else
234	{	379	{
235	int errorno = errno;
236	errno = req->errorno;
237
238	if (req->type == REQ_READ)	380	if (req->type == REQ_READ)
239	SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0));	381	SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0));
240		382
241	if (req->data2ptr && (req->type == REQ_READ \|\| req->type == REQ_WRITE))	383	if (req->data2ptr && (req->type == REQ_READ \|\| req->type == REQ_WRITE))
242	SvREADONLY_off (req->data);	384	SvREADONLY_off (req->data);
…		…
246	PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT;	388	PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT;
247	PL_laststatval = req->result;	389	PL_laststatval = req->result;
248	PL_statcache = *(req->statdata);	390	PL_statcache = *(req->statdata);
249	}	391	}
250		392
251	ENTER;	393	req_invoke (req);
252	PUSHMARK (SP);
253		394
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++;	395	count++;
314	}	396	}
315		397
316	req_free (req);	398	req_free (req);
317	}	399	}
…		…
319	return count;	401	return count;
320	}	402	}
321		403
322	static void aio_proc(void arg);	404	static void aio_proc(void arg);
323		405
324	static void
325	start_thread (void)	406	static void start_thread (void)
326	{	407	{
327	sigset_t fullsigset, oldsigset;	408	sigset_t fullsigset, oldsigset;
328	pthread_t tid;	409	pthread_t tid;
329	pthread_attr_t attr;	410	pthread_attr_t attr;
330		411
…		…
339	started++;	420	started++;
340		421
341	sigprocmask (SIG_SETMASK, &oldsigset, 0);	422	sigprocmask (SIG_SETMASK, &oldsigset, 0);
342	}	423	}
343		424
344	static void
345	req_send (aio_req req)	425	static void req_send (aio_req req)
346	{	426	{
347	while (started < wanted && nreqs >= started)	427	while (started < wanted && nreqs >= started)
348	start_thread ();	428	start_thread ();
349		429
350	nreqs++;	430	++nreqs;
351		431
352	pthread_mutex_lock (&reqlock);	432	pthread_mutex_lock (&reqlock);
353		433
354	req->next = 0;	434	req->next = 0;
355		435
…		…
374		454
375	poll_wait ();	455	poll_wait ();
376	}	456	}
377	}	457	}
378		458
379	static void	459	static void end_thread (void)
380	end_thread (void)
381	{	460	{
382	aio_req req;	461	aio_req req;
383	Newz (0, req, 1, aio_cb);	462	Newz (0, req, 1, aio_cb);
384	req->type = REQ_QUIT;	463	req->type = REQ_QUIT;
385		464
…		…
436	* normal read/write by using a mutex. slows down execution a lot,	515	* normal read/write by using a mutex. slows down execution a lot,
437	* but that's your problem, not mine.	516	* but that's your problem, not mine.
438	*/	517	*/
439	static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER;	518	static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER;
440		519
441	static ssize_t	520	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	{	521	{
444	ssize_t res;	522	ssize_t res;
445	off_t ooffset;	523	off_t ooffset;
446		524
447	pthread_mutex_lock (&preadwritelock);	525	pthread_mutex_lock (&preadwritelock);
…		…
452	pthread_mutex_unlock (&preadwritelock);	530	pthread_mutex_unlock (&preadwritelock);
453		531
454	return res;	532	return res;
455	}	533	}
456		534
457	static ssize_t
458	pwrite (int fd, void *buf, size_t count, off_t offset)	535	static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset)
459	{	536	{
460	ssize_t res;	537	ssize_t res;
461	off_t ooffset;	538	off_t ooffset;
462		539
463	pthread_mutex_lock (&preadwritelock);	540	pthread_mutex_lock (&preadwritelock);
…		…
476	#endif	553	#endif
477		554
478	#if !HAVE_READAHEAD	555	#if !HAVE_READAHEAD
479	# define readahead aio_readahead	556	# define readahead aio_readahead
480		557
481	static ssize_t
482	readahead (int fd, off_t offset, size_t count)	558	static ssize_t readahead (int fd, off_t offset, size_t count)
483	{	559	{
484	char readahead_buf[4096];	560	char readahead_buf[4096];
485		561
486	while (count > 0)	562	while (count > 0)
487	{	563	{
…		…
499	#if !HAVE_READDIR_R	575	#if !HAVE_READDIR_R
500	# define readdir_r aio_readdir_r	576	# define readdir_r aio_readdir_r
501		577
502	static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER;	578	static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER;
503		579
504	static int
505	readdir_r (DIR dirp, struct dirent ent, struct dirent **res)	580	static int readdir_r (DIR dirp, struct dirent ent, struct dirent **res)
506	{	581	{
507	struct dirent *e;	582	struct dirent *e;
508	int errorno;	583	int errorno;
509		584
510	pthread_mutex_lock (&readdirlock);	585	pthread_mutex_lock (&readdirlock);
…		…
526	return e ? 0 : -1;	601	return e ? 0 : -1;
527	}	602	}
528	#endif	603	#endif
529		604
530	/* sendfile always needs emulation */	605	/* sendfile always needs emulation */
531	static ssize_t
532	sendfile_ (int ofd, int ifd, off_t offset, size_t count)	606	static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count)
533	{	607	{
534	ssize_t res;	608	ssize_t res;
535		609
536	if (!count)	610	if (!count)
537	return 0;	611	return 0;
…		…
619		693
620	return res;	694	return res;
621	}	695	}
622		696
623	/* read a full directory */	697	/* read a full directory */
624	static int
625	scandir_ (const char path, void *namesp)	698	static int scandir_ (const char path, void *namesp)
626	{	699	{
627	DIR *dirp = opendir (path);	700	DIR *dirp = opendir (path);
628	union	701	union
629	{	702	{
630	struct dirent d;	703	struct dirent d;
…		…
684	return res;	757	return res;
685	}	758	}
686		759
687	/*****************************************************************************/	760	/*****************************************************************************/
688		761
689	static void *
690	aio_proc (void *thr_arg)	762	static void aio_proc (void thr_arg)
691	{	763	{
692	aio_req req;	764	aio_req req;
693	int type;	765	int type;
694		766
695	do	767	do
…		…
715	pthread_mutex_unlock (&reqlock);	787	pthread_mutex_unlock (&reqlock);
716		788
717	errno = 0; /* strictly unnecessary */	789	errno = 0; /* strictly unnecessary */
718		790
719	if (!req->cancelled)	791	if (!req->cancelled)
720	switch (req->type)	792	switch (type = req->type) /* remember type for QUIT check */
721	{	793	{
722	case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break;	794	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;	795	case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break;
724		796
725	case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break;	797	case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break;
…		…
739		811
740	case REQ_FDATASYNC: req->result = fdatasync (req->fd); break;	812	case REQ_FDATASYNC: req->result = fdatasync (req->fd); break;
741	case REQ_FSYNC: req->result = fsync (req->fd); break;	813	case REQ_FSYNC: req->result = fsync (req->fd); break;
742	case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break;	814	case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break;
743		815
		816	case REQ_SLEEP:
		817	{
		818	struct timeval tv;
		819
		820	tv.tv_sec = req->fd;
		821	tv.tv_usec = req->fd2;
		822
		823	req->result = select (0, 0, 0, 0, &tv);
		824	}
		825
		826	case REQ_GROUP:
		827	case REQ_NOP:
744	case REQ_QUIT:	828	case REQ_QUIT:
745	break;	829	break;
746		830
747	default:	831	default:
748	req->result = ENOSYS;	832	req->result = ENOSYS;
…		…
846		930
847	#define REQ_SEND \	931	#define REQ_SEND \
848	req_send (req); \	932	req_send (req); \
849	\	933	\
850	if (GIMME_V != G_VOID) \	934	if (GIMME_V != G_VOID) \
851	XPUSHs (req_sv (req));	935	XPUSHs (req_sv (req, AIO_REQ_KLASS));
852		936
853	MODULE = IO::AIO PACKAGE = IO::AIO	937	MODULE = IO::AIO PACKAGE = IO::AIO
854		938
855	PROTOTYPES: ENABLE	939	PROTOTYPES: ENABLE
856		940
…		…
1103	req->dataptr = SvPVbyte_nolen (req->data);	1187	req->dataptr = SvPVbyte_nolen (req->data);
1104		1188
1105	REQ_SEND;	1189	REQ_SEND;
1106	}	1190	}
1107		1191
1108	#if 0
1109
1110	# undocumented, because it does not cancel active requests
1111	void	1192	void
1112	cancel_most_requests ()	1193	aio_sleep (delay,callback=&PL_sv_undef)
		1194	double delay
		1195	SV * callback
		1196	PPCODE:
		1197	{
		1198	dREQ;
		1199
		1200	req->type = REQ_SLEEP;
		1201	req->fd = delay < 0. ? 0 : delay;
		1202	req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd);
		1203
		1204	REQ_SEND;
		1205	}
		1206
		1207	void
		1208	aio_group (callback=&PL_sv_undef)
		1209	SV * callback
1113	PROTOTYPE:	1210	PROTOTYPE: ;$
1114	CODE:	1211	PPCODE:
1115	{	1212	{
1116	aio_req *req;	1213	dREQ;
1117		1214	req->type = REQ_GROUP;
1118	pthread_mutex_lock (&reqlock);	1215	req_send (req);
1119	for (req = reqs; req; req = req->next)	1216	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	}	1217	}
1128		1218
1129	#endif	1219	void
		1220	aio_nop (callback=&PL_sv_undef)
		1221	SV * callback
		1222	PPCODE:
		1223	{
		1224	dREQ;
		1225
		1226	req->type = REQ_NOP;
		1227
		1228	REQ_SEND;
		1229	}
1130		1230
1131	void	1231	void
1132	flush ()	1232	flush ()
1133	PROTOTYPE:	1233	PROTOTYPE:
1134	CODE:	1234	CODE:
…		…
1177	CODE:	1277	CODE:
1178	RETVAL = nreqs;	1278	RETVAL = nreqs;
1179	OUTPUT:	1279	OUTPUT:
1180	RETVAL	1280	RETVAL
1181		1281
		1282	PROTOTYPES: DISABLE
		1283
1182	MODULE = IO::AIO PACKAGE = IO::AIO::CB	1284	MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1183		1285
1184	void	1286	void
1185	cancel (aio_req_ornot req)	1287	cancel (aio_req_ornot req)
1186	PROTOTYPE:	1288	PROTOTYPE:
1187	CODE:	1289	CODE:
1188	req->cancelled = 1;	1290	req_cancel (req);
1189		1291
		1292	MODULE = IO::AIO PACKAGE = IO::AIO::GRP
		1293
		1294	void
		1295	add (aio_req grp, ...)
		1296	PPCODE:
		1297	{
		1298	int i;
		1299	aio_req req;
		1300
		1301	if (grp->fd == 2)
		1302	croak ("cannot add requests to IO::AIO::GRP after the group finished");
		1303
		1304	for (i = 1; i < items; ++i )
		1305	{
		1306	if (GIMME_V != G_VOID)
		1307	XPUSHs (sv_2mortal (newSVsv (ST (i))));
		1308
		1309	req = SvAIO_REQ (ST (i));
		1310
		1311	if (req)
		1312	{
		1313	++grp->length;
		1314	req->grp = grp;
		1315
		1316	req->grp_prev = 0;
		1317	req->grp_next = grp->grp_first;
		1318
		1319	if (grp->grp_first)
		1320	grp->grp_first->grp_prev = req;
		1321
		1322	grp->grp_first = req;
		1323	}
		1324	}
		1325	}
		1326
		1327	void
		1328	result (aio_req grp, ...)
		1329	CODE:
		1330	{
		1331	int i;
		1332	AV *av = newAV ();
		1333
		1334	for (i = 1; i < items; ++i )
		1335	av_push (av, newSVsv (ST (i)));
		1336
		1337	SvREFCNT_dec (grp->data);
		1338	grp->data = (SV *)av;
		1339	}
		1340
		1341	void
		1342	lock (aio_req grp)
		1343	CODE:
		1344	++grp->length;
		1345
		1346	void
		1347	unlock (aio_req grp)
		1348	CODE:
		1349	aio_grp_dec (grp);
		1350
		1351	void
		1352	feeder_limit (aio_req grp, int limit)
		1353	CODE:
		1354	grp->fd2 = limit;
		1355	aio_grp_feed (grp);
		1356
		1357	void
		1358	set_feeder (aio_req grp, SV *callback=&PL_sv_undef)
		1359	CODE:
		1360	{
		1361	SvREFCNT_dec (grp->fh2);
		1362	grp->fh2 = newSVsv (callback);
		1363
		1364	if (grp->fd2 <= 0)
		1365	grp->fd2 = 2;
		1366
		1367	aio_grp_feed (grp);
		1368	}
		1369

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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 1.55 by root, Mon Oct 23 00:47:29 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 1.55 by root, Mon Oct 23 00:47:29 2006 UTC