[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 1.27 by root, Wed Aug 17 04:47:02 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
117	if (req->data)	147	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	{	148	{
125	PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT;	149	PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT;
126	PL_laststatval = req->result;	150	PL_laststatval = req->result;
127	PL_statcache = *(req->statdata);	151	PL_statcache = *(req->statdata);
128
129	Safefree (req->statdata);
130	}	152	}
131		153
132	ENTER;	154	ENTER;
133	PUSHMARK (SP);	155	PUSHMARK (SP);
134	XPUSHs (sv_2mortal (newSViv (req->result)));	156	XPUSHs (sv_2mortal (newSViv (req->result)));
…		…
151	if (SvOK (req->callback))	173	if (SvOK (req->callback))
152	{	174	{
153	PUTBACK;	175	PUTBACK;
154	call_sv (req->callback, G_VOID \| G_EVAL);	176	call_sv (req->callback, G_VOID \| G_EVAL);
155	SPAGAIN;	177	SPAGAIN;
		178
		179	if (SvTRUE (ERRSV))
		180	{
		181	free_req (req);
		182	croak (0);
		183	}
156	}	184	}
157		185
158	LEAVE;	186	LEAVE;
159
160	if (req->callback)
161	SvREFCNT_dec (req->callback);
162		187
163	errno = errorno;	188	errno = errorno;
164	count++;	189	count++;
165	}	190	}
166		191
167	prv = req;	192	free_req (req);
168	req = req->next;
169	Safefree (prv);
170
171	/* TODO: croak on errors? */
172	}	193	}
173		194
174	return count;	195	return count;
175	}	196	}
176		197
…		…
214	reqe = reqs = req;	235	reqe = reqs = req;
215		236
216	pthread_cond_signal (&reqwait);	237	pthread_cond_signal (&reqwait);
217	pthread_mutex_unlock (&reqlock);	238	pthread_mutex_unlock (&reqlock);
218		239
219	while (nreqs > max_outstanding)	240	if (nreqs > max_outstanding)
		241	for (;;)
		242	{
		243	poll_cb ();
		244
		245	if (nreqs <= max_outstanding)
		246	break;
		247
		248	poll_wait ();
		249	}
		250	}
		251
		252	static void
		253	end_thread (void)
		254	{
		255	aio_req req;
		256	Newz (0, req, 1, aio_cb);
		257	req->type = REQ_QUIT;
		258
		259	send_req (req);
		260	}
		261
		262	static void min_parallel (int nthreads)
		263	{
		264	while (nthreads > started)
		265	start_thread ();
		266	}
		267
		268	static void max_parallel (int nthreads)
		269	{
		270	int cur = started;
		271
		272	while (cur > nthreads)
		273	{
		274	end_thread ();
		275	cur--;
		276	}
		277
		278	while (started > nthreads)
220	{	279	{
221	poll_wait ();	280	poll_wait ();
222	poll_cb ();	281	poll_cb ();
223	}	282	}
224	}	283	}
225		284
226	static void	285	static void create_pipe ()
227	end_thread (void)
228	{	286	{
229	aio_req req;	287	if (pipe (respipe))
230	New (0, req, 1, aio_cb);	288	croak ("unable to initialize result pipe");
231	req->type = REQ_QUIT;
232		289
233	send_req (req);	290	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK))
		291	croak ("cannot set result pipe to nonblocking mode");
		292
		293	if (fcntl (respipe [1], F_SETFL, O_NONBLOCK))
		294	croak ("cannot set result pipe to nonblocking mode");
234	}	295	}
		296
		297	static void atfork_prepare (void)
		298	{
		299	for (;;) {
		300
		301	for (;;)
		302	{
		303	poll_cb ();
		304
		305	if (!nreqs)
		306	break;
		307
		308	poll_wait ();
		309	}
		310
		311	pthread_mutex_lock (&reqlock);
		312
		313	if (!nreqs)
		314	break;
		315
		316	pthread_mutex_unlock (&reqlock);
		317	}
		318
		319	pthread_mutex_lock (&reslock);
		320
		321	assert (!nreqs && !reqs && !ress);
		322	}
		323
		324	static void atfork_parent (void)
		325	{
		326	pthread_mutex_unlock (&reslock);
		327	pthread_mutex_unlock (&reqlock);
		328	}
		329
		330	static void atfork_child (void)
		331	{
		332	int restart = started;
		333	started = 0;
		334
		335	atfork_parent ();
		336
		337	min_parallel (restart);
		338	}
		339
		340	/*****************************************************************************/
		341	/* work around various missing functions */
		342
		343	#if !HAVE_PREADWRITE
		344	# define pread aio_pread
		345	# define pwrite aio_pwrite
		346
		347	/*
		348	* make our pread/pwrite safe against themselves, but not against
		349	* normal read/write by using a mutex. slows down execution a lot,
		350	* but that's your problem, not mine.
		351	*/
		352	static pthread_mutex_t iolock = PTHREAD_MUTEX_INITIALIZER;
		353
		354	static ssize_t
		355	pread (int fd, void *buf, size_t count, off_t offset)
		356	{
		357	ssize_t res;
		358	off_t ooffset;
		359
		360	pthread_mutex_lock (&iolock);
		361	ooffset = lseek (fd, 0, SEEK_CUR);
		362	lseek (fd, offset, SEEK_SET);
		363	res = read (fd, buf, count);
		364	lseek (fd, ooffset, SEEK_SET);
		365	pthread_mutex_unlock (&iolock);
		366
		367	return res;
		368	}
		369
		370	static ssize_t
		371	pwrite (int fd, void *buf, size_t count, off_t offset)
		372	{
		373	ssize_t res;
		374	off_t ooffset;
		375
		376	pthread_mutex_lock (&iolock);
		377	ooffset = lseek (fd, 0, SEEK_CUR);
		378	lseek (fd, offset, SEEK_SET);
		379	res = write (fd, buf, count);
		380	lseek (fd, offset, SEEK_SET);
		381	pthread_mutex_unlock (&iolock);
		382
		383	return res;
		384	}
		385	#endif
		386
		387	#if !HAVE_FDATASYNC
		388	# define fdatasync fsync
		389	#endif
		390
		391	#if !HAVE_READAHEAD
		392	# define readahead aio_readahead
		393
		394	static char readahead_buf[4096];
		395
		396	static ssize_t
		397	readahead (int fd, off_t offset, size_t count)
		398	{
		399	while (count > 0)
		400	{
		401	size_t len = count < sizeof (readahead_buf) ? count : sizeof (readahead_buf);
		402
		403	pread (fd, readahead_buf, len, offset);
		404	offset += len;
		405	count -= len;
		406	}
		407
		408	errno = 0;
		409	}
		410	#endif
		411
		412	/*****************************************************************************/
235		413
236	static void *	414	static void *
237	aio_proc (void *thr_arg)	415	aio_proc (void *thr_arg)
238	{	416	{
239	aio_req req;	417	aio_req req;
…		…
267		445
268	switch (type)	446	switch (type)
269	{	447	{
270	case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break;	448	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;	449	case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break;
272	#if SYS_readahead	450
273	case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break;	451	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		452
278	case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break;	453	case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break;
279	case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break;	454	case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break;
280	case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break;	455	case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break;
281		456
282	case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break;	457	case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break;
283	case REQ_CLOSE: req->result = close (req->fd); break;	458	case REQ_CLOSE: req->result = close (req->fd); break;
284	case REQ_UNLINK: req->result = unlink (req->dataptr); break;	459	case REQ_UNLINK: req->result = unlink (req->dataptr); break;
		460	case REQ_RMDIR: req->result = rmdir (req->dataptr); break;
		461	case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break;
285		462
		463	case REQ_FDATASYNC: req->result = fdatasync (req->fd); break;
286	case REQ_FSYNC: req->result = fsync (req->fd); break;	464	case REQ_FSYNC: req->result = fsync (req->fd); break;
287	case REQ_FDATASYNC: req->result = fdatasync (req->fd); break;
288		465
289	case REQ_QUIT:	466	case REQ_QUIT:
290	break;	467	break;
291		468
292	default:	469	default:
…		…
318	while (type != REQ_QUIT);	495	while (type != REQ_QUIT);
319		496
320	return 0;	497	return 0;
321	}	498	}
322		499
		500	#define dREQ \
		501	aio_req req; \
		502	\
		503	if (SvOK (callback) && !SvROK (callback)) \
		504	croak ("clalback must be undef or of reference type"); \
		505	\
		506	Newz (0, req, 1, aio_cb); \
		507	if (!req) \
		508	croak ("out of memory during aio_req allocation"); \
		509	\
		510	req->callback = newSVsv (callback);
		511
323	MODULE = IO::AIO PACKAGE = IO::AIO	512	MODULE = IO::AIO PACKAGE = IO::AIO
324		513
325	PROTOTYPES: ENABLE	514	PROTOTYPES: ENABLE
326		515
327	BOOT:	516	BOOT:
328	{	517	{
329	if (pipe (respipe))	518	create_pipe ();
330	croak ("unable to initialize result pipe");	519	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	}	520	}
338		521
339	void	522	void
340	min_parallel(nthreads)	523	min_parallel(nthreads)
341	int nthreads	524	int nthreads
342	PROTOTYPE: $	525	PROTOTYPE: $
343	CODE:
344	while (nthreads > started)
345	start_thread ();
346		526
347	void	527	void
348	max_parallel(nthreads)	528	max_parallel(nthreads)
349	int nthreads	529	int nthreads
350	PROTOTYPE: $	530	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		531
367	int	532	int
368	max_outstanding(nreqs)	533	max_outstanding(nreqs)
369	int nreqs	534	int nreqs
370	PROTOTYPE: $	535	PROTOTYPE: $
…		…
379	int mode	544	int mode
380	SV * callback	545	SV * callback
381	PROTOTYPE: $$$;$	546	PROTOTYPE: $$$;$
382	CODE:	547	CODE:
383	{	548	{
384	aio_req req;	549	dREQ;
385
386	Newz (0, req, 1, aio_cb);
387
388	if (!req)
389	croak ("out of memory during aio_req allocation");
390		550
391	req->type = REQ_OPEN;	551	req->type = REQ_OPEN;
392	req->data = newSVsv (pathname);	552	req->data = newSVsv (pathname);
393	req->dataptr = SvPV_nolen (req->data);	553	req->dataptr = SvPVbyte_nolen (req->data);
394	req->fd = flags;	554	req->fd = flags;
395	req->mode = mode;	555	req->mode = mode;
396	req->callback = SvREFCNT_inc (callback);
397		556
398	send_req (req);	557	send_req (req);
399	}	558	}
400		559
401	void	560	void
…		…
407	aio_close = REQ_CLOSE	566	aio_close = REQ_CLOSE
408	aio_fsync = REQ_FSYNC	567	aio_fsync = REQ_FSYNC
409	aio_fdatasync = REQ_FDATASYNC	568	aio_fdatasync = REQ_FDATASYNC
410	CODE:	569	CODE:
411	{	570	{
412	aio_req req;	571	dREQ;
413
414	Newz (0, req, 1, aio_cb);
415
416	if (!req)
417	croak ("out of memory during aio_req allocation");
418		572
419	req->type = ix;	573	req->type = ix;
420	req->fh = newSVsv (fh);	574	req->fh = newSVsv (fh);
421	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));	575	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
422	req->callback = SvREFCNT_inc (callback);
423		576
424	send_req (req);	577	send_req (req);
425	}	578	}
426		579
427	void	580	void
…		…
438	PROTOTYPE: $$$$$;$	591	PROTOTYPE: $$$$$;$
439	CODE:	592	CODE:
440	{	593	{
441	aio_req req;	594	aio_req req;
442	STRLEN svlen;	595	STRLEN svlen;
443	char *svptr = SvPV (data, svlen);	596	char *svptr = SvPVbyte (data, svlen);
444		597
445	SvUPGRADE (data, SVt_PV);	598	SvUPGRADE (data, SVt_PV);
446	SvPOK_on (data);	599	SvPOK_on (data);
447		600
448	if (dataoffset < 0)	601	if (dataoffset < 0)
…		…
464	}	617	}
465		618
466	if (length < 0)	619	if (length < 0)
467	croak ("length must not be negative");	620	croak ("length must not be negative");
468		621
469	Newz (0, req, 1, aio_cb);	622	{
		623	dREQ;
470		624
471	if (!req)
472	croak ("out of memory during aio_req allocation");
473
474	req->type = ix;	625	req->type = ix;
475	req->fh = newSVsv (fh);	626	req->fh = newSVsv (fh);
476	req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh))	627	req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh))
477	: IoOFP (sv_2io (fh)));	628	: IoOFP (sv_2io (fh)));
478	req->offset = offset;	629	req->offset = offset;
479	req->length = length;	630	req->length = length;
480	req->data = SvREFCNT_inc (data);	631	req->data = SvREFCNT_inc (data);
481	req->dataptr = (char *)svptr + dataoffset;	632	req->dataptr = (char *)svptr + dataoffset;
482	req->callback = SvREFCNT_inc (callback);
483		633
484	send_req (req);	634	send_req (req);
		635	}
485	}	636	}
486		637
487	void	638	void
488	aio_readahead(fh,offset,length,callback=&PL_sv_undef)	639	aio_readahead(fh,offset,length,callback=&PL_sv_undef)
489	SV * fh	640	SV * fh
…		…
491	IV length	642	IV length
492	SV * callback	643	SV * callback
493	PROTOTYPE: $$$;$	644	PROTOTYPE: $$$;$
494	CODE:	645	CODE:
495	{	646	{
496	aio_req req;	647	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		648
506	req->type = REQ_READAHEAD;	649	req->type = REQ_READAHEAD;
507	req->fh = newSVsv (fh);	650	req->fh = newSVsv (fh);
508	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));	651	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
509	req->offset = offset;	652	req->offset = offset;
510	req->length = length;	653	req->length = length;
511	req->callback = SvREFCNT_inc (callback);
512		654
513	send_req (req);	655	send_req (req);
514	}	656	}
515		657
516	void	658	void
…		…
520	ALIAS:	662	ALIAS:
521	aio_stat = REQ_STAT	663	aio_stat = REQ_STAT
522	aio_lstat = REQ_LSTAT	664	aio_lstat = REQ_LSTAT
523	CODE:	665	CODE:
524	{	666	{
525	aio_req req;	667	dREQ;
526
527	Newz (0, req, 1, aio_cb);
528
529	if (!req)
530	croak ("out of memory during aio_req allocation");
531		668
532	New (0, req->statdata, 1, Stat_t);	669	New (0, req->statdata, 1, Stat_t);
533
534	if (!req->statdata)	670	if (!req->statdata)
		671	{
		672	free_req (req);
535	croak ("out of memory during aio_req->statdata allocation");	673	croak ("out of memory during aio_req->statdata allocation");
		674	}
536		675
537	if (SvPOK (fh_or_path))	676	if (SvPOK (fh_or_path))
538	{	677	{
539	req->type = ix;	678	req->type = ix;
540	req->data = newSVsv (fh_or_path);	679	req->data = newSVsv (fh_or_path);
541	req->dataptr = SvPV_nolen (req->data);	680	req->dataptr = SvPVbyte_nolen (req->data);
542	}	681	}
543	else	682	else
544	{	683	{
545	req->type = REQ_FSTAT;	684	req->type = REQ_FSTAT;
546	req->fh = newSVsv (fh_or_path);	685	req->fh = newSVsv (fh_or_path);
547	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	686	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
548	}	687	}
549		688
550	req->callback = SvREFCNT_inc (callback);
551
552	send_req (req);	689	send_req (req);
553	}	690	}
554		691
555	void	692	void
556	aio_unlink(pathname,callback=&PL_sv_undef)	693	aio_unlink(pathname,callback=&PL_sv_undef)
557	SV * pathname	694	SV * pathname
558	SV * callback	695	SV * callback
		696	ALIAS:
		697	aio_unlink = REQ_UNLINK
		698	aio_rmdir = REQ_RMDIR
559	CODE:	699	CODE:
560	{	700	{
561	aio_req req;	701	dREQ;
562		702
563	Newz (0, req, 1, aio_cb);	703	req->type = ix;
		704	req->data = newSVsv (pathname);
		705	req->dataptr = SvPVbyte_nolen (req->data);
564		706
565	if (!req)	707	send_req (req);
566	croak ("out of memory during aio_req allocation");	708	}
		709
		710	void
		711	aio_symlink(oldpath,newpath,callback=&PL_sv_undef)
		712	SV * oldpath
		713	SV * newpath
		714	SV * callback
		715	CODE:
		716	{
		717	dREQ;
567		718
568	req->type = REQ_UNLINK;	719	req->type = REQ_SYMLINK;
		720	req->fh = newSVsv (oldpath);
		721	req->data2ptr = SvPVbyte_nolen (req->fh);
569	req->data = newSVsv (pathname);	722	req->data = newSVsv (newpath);
570	req->dataptr = SvPV_nolen (req->data);	723	req->dataptr = SvPVbyte_nolen (req->data);
571	req->callback = SvREFCNT_inc (callback);
572		724
573	send_req (req);	725	send_req (req);
574	}	726	}
575		727
576	void	728	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 1.27 by root, Wed Aug 17 04:47:02 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 1.27 by root, Wed Aug 17 04:47:02 2005 UTC