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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.13 by root, Fri Jul 22 08:25:22 2005 UTC vs.
Revision 1.26 by root, Wed Aug 17 03:52:20 2005 UTC

…		…
1	#define _XOPEN_SOURCE 500	1	#define _REENTRANT 1
		2	#include <errno.h>
2		3
3	#include "EXTERN.h"	4	#include "EXTERN.h"
4	#include "perl.h"	5	#include "perl.h"
5	#include "XSUB.h"	6	#include "XSUB.h"
		7
		8	#include "autoconf/config.h"
6		9
7	#include <sys/types.h>	10	#include <sys/types.h>
8	#include <sys/stat.h>	11	#include <sys/stat.h>
9		12
10	#include <unistd.h>	13	#include <unistd.h>
11	#include <fcntl.h>	14	#include <fcntl.h>
12	#include <signal.h>	15	#include <signal.h>
13	#include <sched.h>	16	#include <sched.h>
14	#if __linux
15	#include <sys/syscall.h>
16	#endif
17		17
18	#include <pthread.h>	18	#include <pthread.h>
19		19
20	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 ;) */
21	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 ;) */
29		29
30	enum {	30	enum {
31	REQ_QUIT,	31	REQ_QUIT,
32	REQ_OPEN, REQ_CLOSE,	32	REQ_OPEN, REQ_CLOSE,
33	REQ_READ, REQ_WRITE, REQ_READAHEAD,	33	REQ_READ, REQ_WRITE, REQ_READAHEAD,
34	REQ_STAT, REQ_LSTAT, REQ_FSTAT, REQ_UNLINK,	34	REQ_STAT, REQ_LSTAT, REQ_FSTAT,
35	REQ_FSYNC, REQ_FDATASYNC,	35	REQ_FSYNC, REQ_FDATASYNC,
		36	REQ_UNLINK, REQ_RMDIR,
		37	REQ_SYMLINK,
36	};	38	};
37		39
38	typedef struct aio_cb {	40	typedef struct aio_cb {
39	struct aio_cb *volatile next;	41	struct aio_cb *volatile next;
40		42
…		…
45	size_t length;	47	size_t length;
46	ssize_t result;	48	ssize_t result;
47	mode_t mode; /* open */	49	mode_t mode; /* open */
48	int errorno;	50	int errorno;
49	SV data, callback, *fh;	51	SV data, callback, *fh;
50	void *dataptr;	52	void dataptr, data2ptr;
51	STRLEN dataoffset;	53	STRLEN dataoffset;
52		54
53	Stat_t *statdata;	55	Stat_t *statdata;
54	} aio_cb;	56	} aio_cb;
55		57
…		…
60	static int max_outstanding = 1<<30;	62	static int max_outstanding = 1<<30;
61	static int respipe [2];	63	static int respipe [2];
62		64
63	static pthread_mutex_t reslock = PTHREAD_MUTEX_INITIALIZER;	65	static pthread_mutex_t reslock = PTHREAD_MUTEX_INITIALIZER;
64	static pthread_mutex_t reqlock = PTHREAD_MUTEX_INITIALIZER;	66	static pthread_mutex_t reqlock = PTHREAD_MUTEX_INITIALIZER;
		67	static pthread_mutex_t frklock = PTHREAD_MUTEX_INITIALIZER;
65	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	68	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;
66		69
67	static volatile aio_req reqs, reqe; /* queue start, queue end */	70	static volatile aio_req reqs, reqe; /* queue start, queue end */
68	static volatile aio_req ress, rese; /* queue start, queue end */	71	static volatile aio_req ress, rese; /* queue start, queue end */
		72
		73	static void free_req (aio_req req)
		74	{
		75	if (req->data)
		76	SvREFCNT_dec (req->data);
		77
		78	if (req->fh)
		79	SvREFCNT_dec (req->fh);
		80
		81	if (req->type == REQ_STAT \|\| req->type == REQ_LSTAT \|\| req->type == REQ_FSTAT)
		82	Safefree (req->statdata);
		83
		84	if (req->callback)
		85	SvREFCNT_dec (req->callback);
		86
		87	Safefree (req);
		88	}
69		89
70	static void	90	static void
71	poll_wait ()	91	poll_wait ()
72	{	92	{
73	if (nreqs && !ress)	93	if (nreqs && !ress)
…		…
83	static int	103	static int
84	poll_cb ()	104	poll_cb ()
85	{	105	{
86	dSP;	106	dSP;
87	int count = 0;	107	int count = 0;
		108	int do_croak = 0;
88	aio_req req, prv;	109	aio_req req, prv;
89		110
90	pthread_mutex_lock (&reslock);	111	pthread_mutex_lock (&reslock);
91		112
92	{	113	{
93	/* read any signals sent by the worker threads */	114	/* read any signals sent by the worker threads */
94	char buf [32];	115	char buf [32];
95	while (read (respipe [0], buf, 32) > 0)	116	while (read (respipe [0], buf, 32) == 32)
96	;	117	;
97	}	118	}
98		119
99	req = ress;	120	req = ress;
100	ress = rese = 0;	121	ress = rese = 0;
…		…
114		135
115	if (req->type == REQ_READ)	136	if (req->type == REQ_READ)
116	SvCUR_set (req->data, req->dataoffset	137	SvCUR_set (req->data, req->dataoffset
117	+ req->result > 0 ? req->result : 0);	138	+ req->result > 0 ? req->result : 0);
118		139
119	if (req->data)
120	SvREFCNT_dec (req->data);
121
122	if (req->fh)
123	SvREFCNT_dec (req->fh);
124
125	if (req->type == REQ_STAT \|\| req->type == REQ_LSTAT \|\| req->type == REQ_FSTAT)	140	if (req->type == REQ_STAT \|\| req->type == REQ_LSTAT \|\| req->type == REQ_FSTAT)
126	{	141	{
127	PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT;	142	PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT;
128	PL_laststatval = req->result;	143	PL_laststatval = req->result;
129	PL_statcache = *(req->statdata);	144	PL_statcache = *(req->statdata);
130
131	Safefree (req->statdata);
132	}	145	}
133		146
134	ENTER;	147	ENTER;
135	PUSHMARK (SP);	148	PUSHMARK (SP);
136	XPUSHs (sv_2mortal (newSViv (req->result)));	149	XPUSHs (sv_2mortal (newSViv (req->result)));
…		…
156	call_sv (req->callback, G_VOID \| G_EVAL);	169	call_sv (req->callback, G_VOID \| G_EVAL);
157	SPAGAIN;	170	SPAGAIN;
158	}	171	}
159		172
160	LEAVE;	173	LEAVE;
		174
		175	do_croak = SvTRUE (ERRSV);
161		176
162	if (req->callback)
163	SvREFCNT_dec (req->callback);
164
165	errno = errorno;	177	errno = errorno;
166	count++;	178	count++;
167	}	179	}
168		180
169	prv = req;	181	prv = req;
170	req = req->next;	182	req = req->next;
171	Safefree (prv);	183	free_req (prv);
172		184
173	/* TODO: croak on errors? */	185	if (do_croak)
		186	croak (0);
174	}	187	}
175		188
176	return count;	189	return count;
177	}	190	}
178		191
…		…
227		240
228	static void	241	static void
229	end_thread (void)	242	end_thread (void)
230	{	243	{
231	aio_req req;	244	aio_req req;
232	New (0, req, 1, aio_cb);	245	Newz (0, req, 1, aio_cb);
233	req->type = REQ_QUIT;	246	req->type = REQ_QUIT;
234		247
235	send_req (req);	248	send_req (req);
236	}	249	}
		250
		251
		252	static void min_parallel (int nthreads)
		253	{
		254	while (nthreads > started)
		255	start_thread ();
		256	}
		257
		258	static void max_parallel (int nthreads)
		259	{
		260	int cur = started;
		261	while (cur > nthreads)
		262	{
		263	end_thread ();
		264	cur--;
		265	}
		266
		267	while (started > nthreads)
		268	{
		269	poll_wait ();
		270	poll_cb ();
		271	}
		272	}
		273
		274	static void create_pipe ()
		275	{
		276	if (pipe (respipe))
		277	croak ("unable to initialize result pipe");
		278
		279	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK))
		280	croak ("cannot set result pipe to nonblocking mode");
		281
		282	if (fcntl (respipe [1], F_SETFL, O_NONBLOCK))
		283	croak ("cannot set result pipe to nonblocking mode");
		284	}
		285
		286	static void atfork_prepare (void)
		287	{
		288	pthread_mutex_lock (&frklock);
		289	pthread_mutex_lock (&reqlock);
		290	pthread_mutex_lock (&reslock);
		291	}
		292
		293	static void atfork_parent (void)
		294	{
		295	pthread_mutex_unlock (&reslock);
		296	pthread_mutex_unlock (&reqlock);
		297	pthread_mutex_unlock (&frklock);
		298	}
		299
		300	static void atfork_child (void)
		301	{
		302	int restart = started;
		303	started = 0;
		304
		305	while (reqs)
		306	{
		307	free_req (reqs);
		308	reqs = reqs->next;
		309	}
		310
		311	reqs = reqe = 0;
		312
		313	while (ress)
		314	{
		315	free_req (ress);
		316	ress = ress->next;
		317	}
		318
		319	ress = rese = 0;
		320
		321	close (respipe [0]);
		322	close (respipe [1]);
		323
		324	create_pipe ();
		325
		326	atfork_parent ();
		327
		328	min_parallel (restart);
		329	}
		330
		331	/*****************************************************************************/
		332	/* work around various missing functions */
		333
		334	#if !HAVE_PREADWRITE
		335	# define pread aio_pread
		336	# define pwrite aio_pwrite
		337
		338	/*
		339	* make our pread/pwrite safe against themselves, but not against
		340	* normal read/write by using a mutex. slows down execution a lot,
		341	* but that's your problem, not mine.
		342	*/
		343	static pthread_mutex_t iolock = PTHREAD_MUTEX_INITIALIZER;
		344
		345	static ssize_t
		346	pread (int fd, void *buf, size_t count, off_t offset)
		347	{
		348	ssize_t res;
		349	off_t ooffset;
		350
		351	pthread_mutex_lock (&iolock);
		352	ooffset = lseek (fd, 0, SEEK_CUR);
		353	lseek (fd, offset, SEEK_SET);
		354	res = read (fd, buf, count);
		355	lseek (fd, ooffset, SEEK_SET);
		356	pthread_mutex_unlock (&iolock);
		357
		358	return res;
		359	}
		360
		361	static ssize_t
		362	pwrite (int fd, void *buf, size_t count, off_t offset)
		363	{
		364	ssize_t res;
		365	off_t ooffset;
		366
		367	pthread_mutex_lock (&iolock);
		368	ooffset = lseek (fd, 0, SEEK_CUR);
		369	lseek (fd, offset, SEEK_SET);
		370	res = write (fd, buf, count);
		371	lseek (fd, offset, SEEK_SET);
		372	pthread_mutex_unlock (&iolock);
		373
		374	return res;
		375	}
		376	#endif
		377
		378	#if !HAVE_FDATASYNC
		379	# define fdatasync fsync
		380	#endif
		381
		382	#if !HAVE_READAHEAD
		383	# define readahead aio_readahead
		384
		385	static char readahead_buf[4096];
		386
		387	static ssize_t
		388	readahead (int fd, off_t offset, size_t count)
		389	{
		390	while (count > 0)
		391	{
		392	size_t len = count < sizeof (readahead_buf) ? count : sizeof (readahead_buf);
		393
		394	pread (fd, readahead_buf, len, offset);
		395	offset += len;
		396	count -= len;
		397	}
		398
		399	errno = 0;
		400	}
		401	#endif
		402
		403	/*****************************************************************************/
237		404
238	static void *	405	static void *
239	aio_proc (void *thr_arg)	406	aio_proc (void *thr_arg)
240	{	407	{
241	aio_req req;	408	aio_req req;
…		…
269		436
270	switch (type)	437	switch (type)
271	{	438	{
272	case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break;	439	case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break;
273	case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break;	440	case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break;
274	#if SYS_readahead	441
275	case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break;	442	case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break;
276	#else
277	case REQ_READAHEAD: req->result = -1; errno = ENOSYS; break;
278	#endif
279		443
280	case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break;	444	case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break;
281	case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break;	445	case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break;
282	case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break;	446	case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break;
283		447
284	case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break;	448	case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break;
285	case REQ_CLOSE: req->result = close (req->fd); break;	449	case REQ_CLOSE: req->result = close (req->fd); break;
286	case REQ_UNLINK: req->result = unlink (req->dataptr); break;	450	case REQ_UNLINK: req->result = unlink (req->dataptr); break;
		451	case REQ_RMDIR: req->result = rmdir (req->dataptr); break;
		452	case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break;
287		453
		454	case REQ_FDATASYNC: req->result = fdatasync (req->fd); break;
288	case REQ_FSYNC: req->result = fsync (req->fd); break;	455	case REQ_FSYNC: req->result = fsync (req->fd); break;
289	case REQ_FDATASYNC: req->result = fdatasync (req->fd); break;
290		456
291	case REQ_QUIT:	457	case REQ_QUIT:
292	break;	458	break;
293		459
294	default:	460	default:
…		…
320	while (type != REQ_QUIT);	486	while (type != REQ_QUIT);
321		487
322	return 0;	488	return 0;
323	}	489	}
324		490
		491	#define dREQ \
		492	aio_req req; \
		493	\
		494	if (SvOK (callback) && !SvROK (callback)) \
		495	croak ("clalback must be undef or of reference type"); \
		496	\
		497	Newz (0, req, 1, aio_cb); \
		498	if (!req) \
		499	croak ("out of memory during aio_req allocation"); \
		500	\
		501	req->callback = SvREFCNT_inc (callback);
		502
325	MODULE = IO::AIO PACKAGE = IO::AIO	503	MODULE = IO::AIO PACKAGE = IO::AIO
326		504
327	PROTOTYPES: ENABLE	505	PROTOTYPES: ENABLE
328		506
329	BOOT:	507	BOOT:
330	{	508	{
331	if (pipe (respipe))	509	create_pipe ();
332	croak ("unable to initialize result pipe");	510	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);
333
334	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK))
335	croak ("cannot set result pipe to nonblocking mode");
336
337	if (fcntl (respipe [1], F_SETFL, O_NONBLOCK))
338	croak ("cannot set result pipe to nonblocking mode");
339	}	511	}
340		512
341	void	513	void
342	min_parallel(nthreads)	514	min_parallel(nthreads)
343	int nthreads	515	int nthreads
344	PROTOTYPE: $	516	PROTOTYPE: $
345	CODE:
346	while (nthreads > started)
347	start_thread ();
348		517
349	void	518	void
350	max_parallel(nthreads)	519	max_parallel(nthreads)
351	int nthreads	520	int nthreads
352	PROTOTYPE: $	521	PROTOTYPE: $
353	CODE:
354	{
355	int cur = started;
356	while (cur > nthreads)
357	{
358	end_thread ();
359	cur--;
360	}
361
362	while (started > nthreads)
363	{
364	poll_wait ();
365	poll_cb ();
366	}
367	}
368		522
369	int	523	int
370	max_outstanding(nreqs)	524	max_outstanding(nreqs)
371	int nreqs	525	int nreqs
372	PROTOTYPE: $	526	PROTOTYPE: $
…		…
381	int mode	535	int mode
382	SV * callback	536	SV * callback
383	PROTOTYPE: $$$;$	537	PROTOTYPE: $$$;$
384	CODE:	538	CODE:
385	{	539	{
386	aio_req req;	540	dREQ;
387
388	Newz (0, req, 1, aio_cb);
389
390	if (!req)
391	croak ("out of memory during aio_req allocation");
392		541
393	req->type = REQ_OPEN;	542	req->type = REQ_OPEN;
394	req->data = newSVsv (pathname);	543	req->data = newSVsv (pathname);
395	req->dataptr = SvPV_nolen (req->data);	544	req->dataptr = SvPVbyte_nolen (req->data);
396	req->fd = flags;	545	req->fd = flags;
397	req->mode = mode;	546	req->mode = mode;
398	req->callback = SvREFCNT_inc (callback);
399		547
400	send_req (req);	548	send_req (req);
401	}	549	}
402		550
403	void	551	void
…		…
409	aio_close = REQ_CLOSE	557	aio_close = REQ_CLOSE
410	aio_fsync = REQ_FSYNC	558	aio_fsync = REQ_FSYNC
411	aio_fdatasync = REQ_FDATASYNC	559	aio_fdatasync = REQ_FDATASYNC
412	CODE:	560	CODE:
413	{	561	{
414	aio_req req;	562	dREQ;
415
416	Newz (0, req, 1, aio_cb);
417
418	if (!req)
419	croak ("out of memory during aio_req allocation");
420		563
421	req->type = ix;	564	req->type = ix;
422	req->fh = newSVsv (fh);	565	req->fh = newSVsv (fh);
423	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));	566	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
424	req->callback = SvREFCNT_inc (callback);
425		567
426	send_req (req);	568	send_req (req);
427	}	569	}
428		570
429	void	571	void
…		…
440	PROTOTYPE: $$$$$;$	582	PROTOTYPE: $$$$$;$
441	CODE:	583	CODE:
442	{	584	{
443	aio_req req;	585	aio_req req;
444	STRLEN svlen;	586	STRLEN svlen;
445	char *svptr = SvPV (data, svlen);	587	char *svptr = SvPVbyte (data, svlen);
446		588
447	SvUPGRADE (data, SVt_PV);	589	SvUPGRADE (data, SVt_PV);
448	SvPOK_on (data);	590	SvPOK_on (data);
449		591
450	if (dataoffset < 0)	592	if (dataoffset < 0)
…		…
466	}	608	}
467		609
468	if (length < 0)	610	if (length < 0)
469	croak ("length must not be negative");	611	croak ("length must not be negative");
470		612
471	Newz (0, req, 1, aio_cb);	613	{
		614	dREQ;
472		615
473	if (!req)
474	croak ("out of memory during aio_req allocation");
475
476	req->type = ix;	616	req->type = ix;
477	req->fh = newSVsv (fh);	617	req->fh = newSVsv (fh);
478	req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh))	618	req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh))
479	: IoOFP (sv_2io (fh)));	619	: IoOFP (sv_2io (fh)));
480	req->offset = offset;	620	req->offset = offset;
481	req->length = length;	621	req->length = length;
482	req->data = SvREFCNT_inc (data);	622	req->data = SvREFCNT_inc (data);
483	req->dataptr = (char *)svptr + dataoffset;	623	req->dataptr = (char *)svptr + dataoffset;
484	req->callback = SvREFCNT_inc (callback);	624	req->callback = SvREFCNT_inc (callback);
485		625
486	send_req (req);	626	send_req (req);
		627	}
487	}	628	}
488		629
489	void	630	void
490	aio_readahead(fh,offset,length,callback=&PL_sv_undef)	631	aio_readahead(fh,offset,length,callback=&PL_sv_undef)
491	SV * fh	632	SV * fh
…		…
493	IV length	634	IV length
494	SV * callback	635	SV * callback
495	PROTOTYPE: $$$;$	636	PROTOTYPE: $$$;$
496	CODE:	637	CODE:
497	{	638	{
498	aio_req req;	639	dREQ;
499
500	if (length < 0)
501	croak ("length must not be negative");
502
503	Newz (0, req, 1, aio_cb);
504
505	if (!req)
506	croak ("out of memory during aio_req allocation");
507		640
508	req->type = REQ_READAHEAD;	641	req->type = REQ_READAHEAD;
509	req->fh = newSVsv (fh);	642	req->fh = newSVsv (fh);
510	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));	643	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
511	req->offset = offset;	644	req->offset = offset;
512	req->length = length;	645	req->length = length;
513	req->callback = SvREFCNT_inc (callback);
514		646
515	send_req (req);	647	send_req (req);
516	}	648	}
517		649
518	void	650	void
…		…
522	ALIAS:	654	ALIAS:
523	aio_stat = REQ_STAT	655	aio_stat = REQ_STAT
524	aio_lstat = REQ_LSTAT	656	aio_lstat = REQ_LSTAT
525	CODE:	657	CODE:
526	{	658	{
527	aio_req req;	659	dREQ;
528
529	Newz (0, req, 1, aio_cb);
530
531	if (!req)
532	croak ("out of memory during aio_req allocation");
533		660
534	New (0, req->statdata, 1, Stat_t);	661	New (0, req->statdata, 1, Stat_t);
535
536	if (!req->statdata)	662	if (!req->statdata)
537	croak ("out of memory during aio_req->statdata allocation");	663	croak ("out of memory during aio_req->statdata allocation (sorry, i just leaked memory, too)");
538		664
539	if (SvPOK (fh_or_path))	665	if (SvPOK (fh_or_path))
540	{	666	{
541	req->type = ix;	667	req->type = ix;
542	req->data = newSVsv (fh_or_path);	668	req->data = newSVsv (fh_or_path);
543	req->dataptr = SvPV_nolen (req->data);	669	req->dataptr = SvPVbyte_nolen (req->data);
544	}	670	}
545	else	671	else
546	{	672	{
547	req->type = REQ_FSTAT;	673	req->type = REQ_FSTAT;
548	req->fh = newSVsv (fh_or_path);	674	req->fh = newSVsv (fh_or_path);
549	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	675	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
550	}	676	}
551		677
552	req->callback = SvREFCNT_inc (callback);
553
554	send_req (req);	678	send_req (req);
555	}	679	}
556		680
557	void	681	void
558	aio_unlink(pathname,callback=&PL_sv_undef)	682	aio_unlink(pathname,callback=&PL_sv_undef)
559	SV * pathname	683	SV * pathname
560	SV * callback	684	SV * callback
		685	ALIAS:
		686	aio_unlink = REQ_UNLINK
		687	aio_rmdir = REQ_RMDIR
561	CODE:	688	CODE:
562	{	689	{
563	aio_req req;	690	dREQ;
564		691
565	Newz (0, req, 1, aio_cb);	692	req->type = ix;
		693	req->data = newSVsv (pathname);
		694	req->dataptr = SvPVbyte_nolen (req->data);
566		695
567	if (!req)	696	send_req (req);
568	croak ("out of memory during aio_req allocation");	697	}
		698
		699	void
		700	aio_symlink(oldpath,newpath,callback=&PL_sv_undef)
		701	SV * oldpath
		702	SV * newpath
		703	SV * callback
		704	CODE:
		705	{
		706	dREQ;
569		707
570	req->type = REQ_UNLINK;	708	req->type = REQ_SYMLINK;
		709	req->fh = newSVsv (oldpath);
		710	req->data2ptr = SvPVbyte_nolen (req->fh);
571	req->data = newSVsv (pathname);	711	req->data = newSVsv (newpath);
572	req->dataptr = SvPV_nolen (req->data);	712	req->dataptr = SvPVbyte_nolen (req->data);
573	req->callback = SvREFCNT_inc (callback);
574		713
575	send_req (req);	714	send_req (req);
576	}	715	}
577		716
578	void	717	void

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Comparing IO-AIO/AIO.xs (file contents): Revision 1.13 by root, Fri Jul 22 08:25:22 2005 UTC vs. Revision 1.26 by root, Wed Aug 17 03:52:20 2005 UTC

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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.13 by root, Fri Jul 22 08:25:22 2005 UTC vs.
Revision 1.26 by root, Wed Aug 17 03:52:20 2005 UTC