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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.15 by root, Sat Jul 23 18:19:56 2005 UTC vs.
Revision 1.29 by root, Wed Aug 17 06:12:10 2005 UTC

…		…
		1	#define _REENTRANT 1
		2	#include <errno.h>
		3
1	#include "EXTERN.h"	4	#include "EXTERN.h"
2	#include "perl.h"	5	#include "perl.h"
3	#include "XSUB.h"	6	#include "XSUB.h"
		7
		8	#include "autoconf/config.h"
4		9
5	#include <sys/types.h>	10	#include <sys/types.h>
6	#include <sys/stat.h>	11	#include <sys/stat.h>
7		12
8	#include <unistd.h>	13	#include <unistd.h>
9	#include <fcntl.h>	14	#include <fcntl.h>
10	#include <signal.h>	15	#include <signal.h>
11	#include <sched.h>	16	#include <sched.h>
12	#if __linux
13	#include <sys/syscall.h>
14	#endif
15		17
16	#include <pthread.h>	18	#include <pthread.h>
17		19
18	typedef void InputStream; / hack, but 5.6.1 is simply toooo old ;) */	20	typedef void InputStream; / hack, but 5.6.1 is simply toooo old ;) */
19	typedef void OutputStream; / hack, but 5.6.1 is simply toooo old ;) */	21	typedef void OutputStream; / hack, but 5.6.1 is simply toooo old ;) */
27		29
28	enum {	30	enum {
29	REQ_QUIT,	31	REQ_QUIT,
30	REQ_OPEN, REQ_CLOSE,	32	REQ_OPEN, REQ_CLOSE,
31	REQ_READ, REQ_WRITE, REQ_READAHEAD,	33	REQ_READ, REQ_WRITE, REQ_READAHEAD,
32	REQ_STAT, REQ_LSTAT, REQ_FSTAT, REQ_UNLINK,	34	REQ_STAT, REQ_LSTAT, REQ_FSTAT,
33	REQ_FSYNC, REQ_FDATASYNC,	35	REQ_FSYNC, REQ_FDATASYNC,
		36	REQ_UNLINK, REQ_RMDIR,
		37	REQ_SYMLINK,
34	};	38	};
35		39
36	typedef struct aio_cb {	40	typedef struct aio_cb {
37	struct aio_cb *volatile next;	41	struct aio_cb *volatile next;
38		42
…		…
43	size_t length;	47	size_t length;
44	ssize_t result;	48	ssize_t result;
45	mode_t mode; /* open */	49	mode_t mode; /* open */
46	int errorno;	50	int errorno;
47	SV data, callback, *fh;	51	SV data, callback, *fh;
48	void *dataptr;	52	void dataptr, data2ptr;
49	STRLEN dataoffset;	53	STRLEN dataoffset;
50		54
51	Stat_t *statdata;	55	Stat_t *statdata;
52	} aio_cb;	56	} aio_cb;
53		57
…		…
62	static pthread_mutex_t reqlock = PTHREAD_MUTEX_INITIALIZER;	66	static pthread_mutex_t reqlock = PTHREAD_MUTEX_INITIALIZER;
63	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	67	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;
64		68
65	static volatile aio_req reqs, reqe; /* queue start, queue end */	69	static volatile aio_req reqs, reqe; /* queue start, queue end */
66	static volatile aio_req ress, rese; /* queue start, queue end */	70	static volatile aio_req ress, rese; /* queue start, queue end */
		71
		72	static void free_req (aio_req req)
		73	{
		74	if (req->data)
		75	SvREFCNT_dec (req->data);
		76
		77	if (req->fh)
		78	SvREFCNT_dec (req->fh);
		79
		80	if (req->statdata)
		81	Safefree (req->statdata);
		82
		83	if (req->callback)
		84	SvREFCNT_dec (req->callback);
		85
		86	Safefree (req);
		87	}
67		88
68	static void	89	static void
69	poll_wait ()	90	poll_wait ()
70	{	91	{
71	if (nreqs && !ress)	92	if (nreqs && !ress)
…		…
81	static int	102	static int
82	poll_cb ()	103	poll_cb ()
83	{	104	{
84	dSP;	105	dSP;
85	int count = 0;	106	int count = 0;
		107	int do_croak = 0;
86	aio_req req, prv;	108	aio_req req;
87		109
88	pthread_mutex_lock (&reslock);	110	for (;;)
89
90	{
91	/* read any signals sent by the worker threads */
92	char buf [32];
93	while (read (respipe [0], buf, 32) > 0)
94	;
95	}
96
97	req = ress;
98	ress = rese = 0;
99
100	pthread_mutex_unlock (&reslock);
101
102	while (req)
103	{	111	{
		112	pthread_mutex_lock (&reslock);
		113	req = ress;
		114
		115	if (req)
		116	{
		117	ress = req->next;
		118
		119	if (!ress)
		120	{
		121	rese = 0;
		122
		123	/* read any signals sent by the worker threads */
		124	char buf [32];
		125	while (read (respipe [0], buf, 32) == 32)
		126	;
		127	}
		128	}
		129
		130	pthread_mutex_unlock (&reslock);
		131
		132	if (!req)
		133	break;
		134
104	nreqs--;	135	nreqs--;
105		136
106	if (req->type == REQ_QUIT)	137	if (req->type == REQ_QUIT)
107	started--;	138	started--;
108	else	139	else
109	{	140	{
110	int errorno = errno;	141	int errorno = errno;
111	errno = req->errorno;	142	errno = req->errorno;
112		143
113	if (req->type == REQ_READ)	144	if (req->type == REQ_READ)
114	SvCUR_set (req->data, req->dataoffset	145	SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0));
115	+ req->result > 0 ? req->result : 0);
116		146
		147	if (req->data2ptr && (req->type == REQ_READ \|\| req->type == REQ_WRITE))
		148	SvREADONLY_off (req->data);
		149
117	if (req->data)	150	if (req->statdata)
118	SvREFCNT_dec (req->data);
119
120	if (req->fh)
121	SvREFCNT_dec (req->fh);
122
123	if (req->type == REQ_STAT \|\| req->type == REQ_LSTAT \|\| req->type == REQ_FSTAT)
124	{	151	{
125	PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT;	152	PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT;
126	PL_laststatval = req->result;	153	PL_laststatval = req->result;
127	PL_statcache = *(req->statdata);	154	PL_statcache = *(req->statdata);
128
129	Safefree (req->statdata);
130	}	155	}
131		156
132	ENTER;	157	ENTER;
133	PUSHMARK (SP);	158	PUSHMARK (SP);
134	XPUSHs (sv_2mortal (newSViv (req->result)));	159	XPUSHs (sv_2mortal (newSViv (req->result)));
…		…
151	if (SvOK (req->callback))	176	if (SvOK (req->callback))
152	{	177	{
153	PUTBACK;	178	PUTBACK;
154	call_sv (req->callback, G_VOID \| G_EVAL);	179	call_sv (req->callback, G_VOID \| G_EVAL);
155	SPAGAIN;	180	SPAGAIN;
		181
		182	if (SvTRUE (ERRSV))
		183	{
		184	free_req (req);
		185	croak (0);
		186	}
156	}	187	}
157		188
158	LEAVE;	189	LEAVE;
159
160	if (req->callback)
161	SvREFCNT_dec (req->callback);
162		190
163	errno = errorno;	191	errno = errorno;
164	count++;	192	count++;
165	}	193	}
166		194
167	prv = req;	195	free_req (req);
168	req = req->next;
169	Safefree (prv);
170
171	/* TODO: croak on errors? */
172	}	196	}
173		197
174	return count;	198	return count;
175	}	199	}
176		200
…		…
214	reqe = reqs = req;	238	reqe = reqs = req;
215		239
216	pthread_cond_signal (&reqwait);	240	pthread_cond_signal (&reqwait);
217	pthread_mutex_unlock (&reqlock);	241	pthread_mutex_unlock (&reqlock);
218		242
219	while (nreqs > max_outstanding)	243	if (nreqs > max_outstanding)
		244	for (;;)
		245	{
		246	poll_cb ();
		247
		248	if (nreqs <= max_outstanding)
		249	break;
		250
		251	poll_wait ();
		252	}
		253	}
		254
		255	static void
		256	end_thread (void)
		257	{
		258	aio_req req;
		259	Newz (0, req, 1, aio_cb);
		260	req->type = REQ_QUIT;
		261
		262	send_req (req);
		263	}
		264
		265	static void min_parallel (int nthreads)
		266	{
		267	while (nthreads > started)
		268	start_thread ();
		269	}
		270
		271	static void max_parallel (int nthreads)
		272	{
		273	int cur = started;
		274
		275	while (cur > nthreads)
		276	{
		277	end_thread ();
		278	cur--;
		279	}
		280
		281	while (started > nthreads)
220	{	282	{
221	poll_wait ();	283	poll_wait ();
222	poll_cb ();	284	poll_cb ();
223	}	285	}
224	}	286	}
225		287
226	static void	288	static void create_pipe ()
227	end_thread (void)
228	{	289	{
		290	if (pipe (respipe))
		291	croak ("unable to initialize result pipe");
		292
		293	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK))
		294	croak ("cannot set result pipe to nonblocking mode");
		295
		296	if (fcntl (respipe [1], F_SETFL, O_NONBLOCK))
		297	croak ("cannot set result pipe to nonblocking mode");
		298	}
		299
		300	static void atfork_prepare (void)
		301	{
		302	pthread_mutex_lock (&reqlock);
		303	pthread_mutex_lock (&reslock);
		304	}
		305
		306	static void atfork_parent (void)
		307	{
		308	pthread_mutex_unlock (&reslock);
		309	pthread_mutex_unlock (&reqlock);
		310	}
		311
		312	static void atfork_child (void)
		313	{
229	aio_req req;	314	aio_req prv;
230	New (0, req, 1, aio_cb);
231	req->type = REQ_QUIT;
232		315
233	send_req (req);	316	int restart = started;
		317	started = 0;
		318
		319	while (reqs)
		320	{
		321	prv = reqs;
		322	reqs = prv->next;
		323	free_req (prv);
		324	}
		325
		326	reqs = reqe = 0;
		327
		328	while (ress)
		329	{
		330	prv = ress;
		331	ress = prv->next;
		332	free_req (prv);
		333	}
		334
		335	ress = rese = 0;
		336
		337	close (respipe [0]);
		338	close (respipe [1]);
		339	create_pipe ();
		340
		341	atfork_parent ();
		342
		343	min_parallel (restart);
234	}	344	}
		345
		346	/*****************************************************************************/
		347	/* work around various missing functions */
		348
		349	#if !HAVE_PREADWRITE
		350	# define pread aio_pread
		351	# define pwrite aio_pwrite
		352
		353	/*
		354	* make our pread/pwrite safe against themselves, but not against
		355	* normal read/write by using a mutex. slows down execution a lot,
		356	* but that's your problem, not mine.
		357	*/
		358	static pthread_mutex_t iolock = PTHREAD_MUTEX_INITIALIZER;
		359
		360	static ssize_t
		361	pread (int fd, void *buf, size_t count, off_t offset)
		362	{
		363	ssize_t res;
		364	off_t ooffset;
		365
		366	pthread_mutex_lock (&iolock);
		367	ooffset = lseek (fd, 0, SEEK_CUR);
		368	lseek (fd, offset, SEEK_SET);
		369	res = read (fd, buf, count);
		370	lseek (fd, ooffset, SEEK_SET);
		371	pthread_mutex_unlock (&iolock);
		372
		373	return res;
		374	}
		375
		376	static ssize_t
		377	pwrite (int fd, void *buf, size_t count, off_t offset)
		378	{
		379	ssize_t res;
		380	off_t ooffset;
		381
		382	pthread_mutex_lock (&iolock);
		383	ooffset = lseek (fd, 0, SEEK_CUR);
		384	lseek (fd, offset, SEEK_SET);
		385	res = write (fd, buf, count);
		386	lseek (fd, offset, SEEK_SET);
		387	pthread_mutex_unlock (&iolock);
		388
		389	return res;
		390	}
		391	#endif
		392
		393	#if !HAVE_FDATASYNC
		394	# define fdatasync fsync
		395	#endif
		396
		397	#if !HAVE_READAHEAD
		398	# define readahead aio_readahead
		399
		400	static char readahead_buf[4096];
		401
		402	static ssize_t
		403	readahead (int fd, off_t offset, size_t count)
		404	{
		405	while (count > 0)
		406	{
		407	size_t len = count < sizeof (readahead_buf) ? count : sizeof (readahead_buf);
		408
		409	pread (fd, readahead_buf, len, offset);
		410	offset += len;
		411	count -= len;
		412	}
		413
		414	errno = 0;
		415	}
		416	#endif
		417
		418	/*****************************************************************************/
235		419
236	static void *	420	static void *
237	aio_proc (void *thr_arg)	421	aio_proc (void *thr_arg)
238	{	422	{
239	aio_req req;	423	aio_req req;
…		…
267		451
268	switch (type)	452	switch (type)
269	{	453	{
270	case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break;	454	case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break;
271	case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break;	455	case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break;
272	#if SYS_readahead	456
273	case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break;	457	case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break;
274	#else
275	case REQ_READAHEAD: req->result = -1; errno = ENOSYS; break;
276	#endif
277		458
278	case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break;	459	case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break;
279	case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break;	460	case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break;
280	case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break;	461	case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break;
281		462
282	case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break;	463	case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break;
283	case REQ_CLOSE: req->result = close (req->fd); break;	464	case REQ_CLOSE: req->result = close (req->fd); break;
284	case REQ_UNLINK: req->result = unlink (req->dataptr); break;	465	case REQ_UNLINK: req->result = unlink (req->dataptr); break;
		466	case REQ_RMDIR: req->result = rmdir (req->dataptr); break;
		467	case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break;
285		468
		469	case REQ_FDATASYNC: req->result = fdatasync (req->fd); break;
286	case REQ_FSYNC: req->result = fsync (req->fd); break;	470	case REQ_FSYNC: req->result = fsync (req->fd); break;
287	case REQ_FDATASYNC: req->result = fdatasync (req->fd); break;
288		471
289	case REQ_QUIT:	472	case REQ_QUIT:
290	break;	473	break;
291		474
292	default:	475	default:
…		…
318	while (type != REQ_QUIT);	501	while (type != REQ_QUIT);
319		502
320	return 0;	503	return 0;
321	}	504	}
322		505
		506	#define dREQ \
		507	aio_req req; \
		508	\
		509	if (SvOK (callback) && !SvROK (callback)) \
		510	croak ("clalback must be undef or of reference type"); \
		511	\
		512	Newz (0, req, 1, aio_cb); \
		513	if (!req) \
		514	croak ("out of memory during aio_req allocation"); \
		515	\
		516	req->callback = newSVsv (callback);
		517
323	MODULE = IO::AIO PACKAGE = IO::AIO	518	MODULE = IO::AIO PACKAGE = IO::AIO
324		519
325	PROTOTYPES: ENABLE	520	PROTOTYPES: ENABLE
326		521
327	BOOT:	522	BOOT:
328	{	523	{
329	if (pipe (respipe))	524	create_pipe ();
330	croak ("unable to initialize result pipe");	525	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);
331
332	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK))
333	croak ("cannot set result pipe to nonblocking mode");
334
335	if (fcntl (respipe [1], F_SETFL, O_NONBLOCK))
336	croak ("cannot set result pipe to nonblocking mode");
337	}	526	}
338		527
339	void	528	void
340	min_parallel(nthreads)	529	min_parallel(nthreads)
341	int nthreads	530	int nthreads
342	PROTOTYPE: $	531	PROTOTYPE: $
343	CODE:
344	while (nthreads > started)
345	start_thread ();
346		532
347	void	533	void
348	max_parallel(nthreads)	534	max_parallel(nthreads)
349	int nthreads	535	int nthreads
350	PROTOTYPE: $	536	PROTOTYPE: $
351	CODE:
352	{
353	int cur = started;
354	while (cur > nthreads)
355	{
356	end_thread ();
357	cur--;
358	}
359
360	while (started > nthreads)
361	{
362	poll_wait ();
363	poll_cb ();
364	}
365	}
366		537
367	int	538	int
368	max_outstanding(nreqs)	539	max_outstanding(nreqs)
369	int nreqs	540	int nreqs
370	PROTOTYPE: $	541	PROTOTYPE: $
…		…
379	int mode	550	int mode
380	SV * callback	551	SV * callback
381	PROTOTYPE: $$$;$	552	PROTOTYPE: $$$;$
382	CODE:	553	CODE:
383	{	554	{
384	aio_req req;	555	dREQ;
385
386	Newz (0, req, 1, aio_cb);
387
388	if (!req)
389	croak ("out of memory during aio_req allocation");
390		556
391	req->type = REQ_OPEN;	557	req->type = REQ_OPEN;
392	req->data = newSVsv (pathname);	558	req->data = newSVsv (pathname);
393	req->dataptr = SvPV_nolen (req->data);	559	req->dataptr = SvPVbyte_nolen (req->data);
394	req->fd = flags;	560	req->fd = flags;
395	req->mode = mode;	561	req->mode = mode;
396	req->callback = SvREFCNT_inc (callback);
397		562
398	send_req (req);	563	send_req (req);
399	}	564	}
400		565
401	void	566	void
…		…
407	aio_close = REQ_CLOSE	572	aio_close = REQ_CLOSE
408	aio_fsync = REQ_FSYNC	573	aio_fsync = REQ_FSYNC
409	aio_fdatasync = REQ_FDATASYNC	574	aio_fdatasync = REQ_FDATASYNC
410	CODE:	575	CODE:
411	{	576	{
412	aio_req req;	577	dREQ;
413
414	Newz (0, req, 1, aio_cb);
415
416	if (!req)
417	croak ("out of memory during aio_req allocation");
418		578
419	req->type = ix;	579	req->type = ix;
420	req->fh = newSVsv (fh);	580	req->fh = newSVsv (fh);
421	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));	581	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
422	req->callback = SvREFCNT_inc (callback);
423		582
424	send_req (req);	583	send_req (req);
425	}	584	}
426		585
427	void	586	void
…		…
438	PROTOTYPE: $$$$$;$	597	PROTOTYPE: $$$$$;$
439	CODE:	598	CODE:
440	{	599	{
441	aio_req req;	600	aio_req req;
442	STRLEN svlen;	601	STRLEN svlen;
443	char *svptr = SvPV (data, svlen);	602	char *svptr = SvPVbyte (data, svlen);
444		603
445	SvUPGRADE (data, SVt_PV);	604	SvUPGRADE (data, SVt_PV);
446	SvPOK_on (data);	605	SvPOK_on (data);
447		606
448	if (dataoffset < 0)	607	if (dataoffset < 0)
…		…
464	}	623	}
465		624
466	if (length < 0)	625	if (length < 0)
467	croak ("length must not be negative");	626	croak ("length must not be negative");
468		627
469	Newz (0, req, 1, aio_cb);	628	{
		629	dREQ;
470		630
471	if (!req)
472	croak ("out of memory during aio_req allocation");
473
474	req->type = ix;	631	req->type = ix;
475	req->fh = newSVsv (fh);	632	req->fh = newSVsv (fh);
476	req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh))	633	req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh))
477	: IoOFP (sv_2io (fh)));	634	: IoOFP (sv_2io (fh)));
478	req->offset = offset;	635	req->offset = offset;
479	req->length = length;	636	req->length = length;
480	req->data = SvREFCNT_inc (data);	637	req->data = SvREFCNT_inc (data);
481	req->dataptr = (char *)svptr + dataoffset;	638	req->dataptr = (char *)svptr + dataoffset;
482	req->callback = SvREFCNT_inc (callback);
483		639
		640	if (!SvREADONLY (data))
		641	{
		642	SvREADONLY_on (data);
		643	req->data2ptr = (void *)data;
		644	}
		645
484	send_req (req);	646	send_req (req);
		647	}
485	}	648	}
486		649
487	void	650	void
488	aio_readahead(fh,offset,length,callback=&PL_sv_undef)	651	aio_readahead(fh,offset,length,callback=&PL_sv_undef)
489	SV * fh	652	SV * fh
…		…
491	IV length	654	IV length
492	SV * callback	655	SV * callback
493	PROTOTYPE: $$$;$	656	PROTOTYPE: $$$;$
494	CODE:	657	CODE:
495	{	658	{
496	aio_req req;	659	dREQ;
497
498	if (length < 0)
499	croak ("length must not be negative");
500
501	Newz (0, req, 1, aio_cb);
502
503	if (!req)
504	croak ("out of memory during aio_req allocation");
505		660
506	req->type = REQ_READAHEAD;	661	req->type = REQ_READAHEAD;
507	req->fh = newSVsv (fh);	662	req->fh = newSVsv (fh);
508	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));	663	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
509	req->offset = offset;	664	req->offset = offset;
510	req->length = length;	665	req->length = length;
511	req->callback = SvREFCNT_inc (callback);
512		666
513	send_req (req);	667	send_req (req);
514	}	668	}
515		669
516	void	670	void
…		…
520	ALIAS:	674	ALIAS:
521	aio_stat = REQ_STAT	675	aio_stat = REQ_STAT
522	aio_lstat = REQ_LSTAT	676	aio_lstat = REQ_LSTAT
523	CODE:	677	CODE:
524	{	678	{
525	aio_req req;	679	dREQ;
526
527	Newz (0, req, 1, aio_cb);
528
529	if (!req)
530	croak ("out of memory during aio_req allocation");
531		680
532	New (0, req->statdata, 1, Stat_t);	681	New (0, req->statdata, 1, Stat_t);
533
534	if (!req->statdata)	682	if (!req->statdata)
		683	{
		684	free_req (req);
535	croak ("out of memory during aio_req->statdata allocation");	685	croak ("out of memory during aio_req->statdata allocation");
		686	}
536		687
537	if (SvPOK (fh_or_path))	688	if (SvPOK (fh_or_path))
538	{	689	{
539	req->type = ix;	690	req->type = ix;
540	req->data = newSVsv (fh_or_path);	691	req->data = newSVsv (fh_or_path);
541	req->dataptr = SvPV_nolen (req->data);	692	req->dataptr = SvPVbyte_nolen (req->data);
542	}	693	}
543	else	694	else
544	{	695	{
545	req->type = REQ_FSTAT;	696	req->type = REQ_FSTAT;
546	req->fh = newSVsv (fh_or_path);	697	req->fh = newSVsv (fh_or_path);
547	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	698	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
548	}	699	}
549		700
550	req->callback = SvREFCNT_inc (callback);
551
552	send_req (req);	701	send_req (req);
553	}	702	}
554		703
555	void	704	void
556	aio_unlink(pathname,callback=&PL_sv_undef)	705	aio_unlink(pathname,callback=&PL_sv_undef)
557	SV * pathname	706	SV * pathname
558	SV * callback	707	SV * callback
		708	ALIAS:
		709	aio_unlink = REQ_UNLINK
		710	aio_rmdir = REQ_RMDIR
559	CODE:	711	CODE:
560	{	712	{
561	aio_req req;	713	dREQ;
562		714
563	Newz (0, req, 1, aio_cb);	715	req->type = ix;
		716	req->data = newSVsv (pathname);
		717	req->dataptr = SvPVbyte_nolen (req->data);
564		718
565	if (!req)	719	send_req (req);
566	croak ("out of memory during aio_req allocation");	720	}
		721
		722	void
		723	aio_symlink(oldpath,newpath,callback=&PL_sv_undef)
		724	SV * oldpath
		725	SV * newpath
		726	SV * callback
		727	CODE:
		728	{
		729	dREQ;
567		730
568	req->type = REQ_UNLINK;	731	req->type = REQ_SYMLINK;
		732	req->fh = newSVsv (oldpath);
		733	req->data2ptr = SvPVbyte_nolen (req->fh);
569	req->data = newSVsv (pathname);	734	req->data = newSVsv (newpath);
570	req->dataptr = SvPV_nolen (req->data);	735	req->dataptr = SvPVbyte_nolen (req->data);
571	req->callback = SvREFCNT_inc (callback);
572		736
573	send_req (req);	737	send_req (req);
574	}	738	}
575		739
576	void	740	void

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Comparing IO-AIO/AIO.xs (file contents): Revision 1.15 by root, Sat Jul 23 18:19:56 2005 UTC vs. Revision 1.29 by root, Wed Aug 17 06:12:10 2005 UTC

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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.15 by root, Sat Jul 23 18:19:56 2005 UTC vs.
Revision 1.29 by root, Wed Aug 17 06:12:10 2005 UTC