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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.31 by root, Thu Aug 18 16:34:53 2005 UTC vs.
Revision 1.41 by root, Sat Jun 24 19:14:04 2006 UTC

…		…
5	#include "perl.h"	5	#include "perl.h"
6	#include "XSUB.h"	6	#include "XSUB.h"
7		7
8	#include "autoconf/config.h"	8	#include "autoconf/config.h"
9		9
		10	#include <pthread.h>
		11
		12	#include <stddef.h>
		13	#include <errno.h>
10	#include <sys/types.h>	14	#include <sys/types.h>
11	#include <sys/stat.h>	15	#include <sys/stat.h>
12		16	#include <limits.h>
13	#include <unistd.h>	17	#include <unistd.h>
14	#include <fcntl.h>	18	#include <fcntl.h>
15	#include <signal.h>	19	#include <signal.h>
16	#include <sched.h>	20	#include <sched.h>
17		21
18	#include <pthread.h>	22	#if HAVE_SENDFILE
		23	# if __linux
		24	# include <sys/sendfile.h>
		25	# elif __freebsd
		26	# include <sys/socket.h>
		27	# include <sys/uio.h>
		28	# elif __hpux
		29	# include <sys/socket.h>
		30	# elif __solaris /* not yet */
		31	# include <sys/sendfile.h>
		32	# else
		33	# error sendfile support requested but not available
		34	# endif
		35	#endif
19		36
20	typedef void InputStream; / hack, but 5.6.1 is simply toooo old ;) */	37	/* used for struct dirent, AIX doesn't provide it */
21	typedef void OutputStream; / hack, but 5.6.1 is simply toooo old ;) */	38	#ifndef NAME_MAX
22	typedef void InOutStream; / hack, but 5.6.1 is simply toooo old ;) */	39	# define NAME_MAX 4096
		40	#endif
23		41
24	#if __ia64	42	#if __ia64
25	# define STACKSIZE 65536	43	# define STACKSIZE 65536
26	#else	44	#else
27	# define STACKSIZE 4096	45	# define STACKSIZE 8192
28	#endif	46	#endif
29		47
30	enum {	48	enum {
31	REQ_QUIT,	49	REQ_QUIT,
32	REQ_OPEN, REQ_CLOSE,	50	REQ_OPEN, REQ_CLOSE,
33	REQ_READ, REQ_WRITE, REQ_READAHEAD,	51	REQ_READ, REQ_WRITE, REQ_READAHEAD,
		52	REQ_SENDFILE,
34	REQ_STAT, REQ_LSTAT, REQ_FSTAT,	53	REQ_STAT, REQ_LSTAT, REQ_FSTAT,
35	REQ_FSYNC, REQ_FDATASYNC,	54	REQ_FSYNC, REQ_FDATASYNC,
36	REQ_UNLINK, REQ_RMDIR,	55	REQ_UNLINK, REQ_RMDIR, REQ_RENAME,
37	REQ_SYMLINK,	56	REQ_READDIR,
		57	REQ_LINK, REQ_SYMLINK,
38	};	58	};
39		59
40	typedef struct aio_cb {	60	typedef struct aio_cb {
41	struct aio_cb *volatile next;	61	struct aio_cb *volatile next;
42		62
43	int type;	63	int type;
44		64
		65	/* should receive a cleanup, with unions */
45	int fd;	66	int fd, fd2;
46	off_t offset;	67	off_t offset;
47	size_t length;	68	size_t length;
48	ssize_t result;	69	ssize_t result;
49	mode_t mode; /* open */	70	mode_t mode; /* open */
50	int errorno;	71	int errorno;
51	SV data, callback, *fh;	72	SV data, callback;
		73	SV fh, fh2;
52	void dataptr, data2ptr;	74	void dataptr, data2ptr;
53	STRLEN dataoffset;	75	STRLEN dataoffset;
54		76
55	Stat_t *statdata;	77	Stat_t *statdata;
56	} aio_cb;	78	} aio_cb;
…		…
75	SvREFCNT_dec (req->data);	97	SvREFCNT_dec (req->data);
76		98
77	if (req->fh)	99	if (req->fh)
78	SvREFCNT_dec (req->fh);	100	SvREFCNT_dec (req->fh);
79		101
		102	if (req->fh2)
		103	SvREFCNT_dec (req->fh2);
		104
80	if (req->statdata)	105	if (req->statdata)
81	Safefree (req->statdata);	106	Safefree (req->statdata);
82		107
83	if (req->callback)	108	if (req->callback)
84	SvREFCNT_dec (req->callback);	109	SvREFCNT_dec (req->callback);
		110
		111	if (req->type == REQ_READDIR && req->result >= 0)
		112	free (req->data2ptr);
85		113
86	Safefree (req);	114	Safefree (req);
87	}	115	}
88		116
89	static void	117	static void
…		…
154	PL_statcache = *(req->statdata);	182	PL_statcache = *(req->statdata);
155	}	183	}
156		184
157	ENTER;	185	ENTER;
158	PUSHMARK (SP);	186	PUSHMARK (SP);
159	XPUSHs (sv_2mortal (newSViv (req->result)));
160		187
161	if (req->type == REQ_OPEN)	188	if (req->type == REQ_READDIR)
162	{	189	{
		190	SV *rv = &PL_sv_undef;
		191
		192	if (req->result >= 0)
		193	{
		194	char *buf = req->data2ptr;
		195	AV *av = newAV ();
		196
		197	while (req->result)
		198	{
		199	SV *sv = newSVpv (buf, 0);
		200
		201	av_push (av, sv);
		202	buf += SvCUR (sv) + 1;
		203	req->result--;
		204	}
		205
		206	rv = sv_2mortal (newRV_noinc ((SV *)av));
		207	}
		208
		209	XPUSHs (rv);
		210	}
		211	else
		212	{
		213	XPUSHs (sv_2mortal (newSViv (req->result)));
		214
		215	if (req->type == REQ_OPEN)
		216	{
163	/* convert fd to fh */	217	/* convert fd to fh */
164	SV *fh;	218	SV *fh;
165		219
166	PUTBACK;	220	PUTBACK;
167	call_pv ("IO::AIO::_fd2fh", G_SCALAR \| G_EVAL);	221	call_pv ("IO::AIO::_fd2fh", G_SCALAR \| G_EVAL);
168	SPAGAIN;	222	SPAGAIN;
169		223
170	fh = SvREFCNT_inc (POPs);	224	fh = SvREFCNT_inc (POPs);
171		225
172	PUSHMARK (SP);	226	PUSHMARK (SP);
173	XPUSHs (sv_2mortal (fh));	227	XPUSHs (sv_2mortal (fh));
		228	}
174	}	229	}
175		230
176	if (SvOK (req->callback))	231	if (SvOK (req->callback))
177	{	232	{
178	PUTBACK;	233	PUTBACK;
…		…
301		356
302	if (fcntl (respipe [1], F_SETFL, O_NONBLOCK))	357	if (fcntl (respipe [1], F_SETFL, O_NONBLOCK))
303	croak ("cannot set result pipe to nonblocking mode");	358	croak ("cannot set result pipe to nonblocking mode");
304	}	359	}
305		360
306	static void atfork_prepare (void)
307	{
308	pthread_mutex_lock (&reqlock);
309	pthread_mutex_lock (&reslock);
310	}
311
312	static void atfork_parent (void)
313	{
314	pthread_mutex_unlock (&reslock);
315	pthread_mutex_unlock (&reqlock);
316	}
317
318	static void atfork_child (void)
319	{
320	aio_req prv;
321
322	started = 0;
323
324	while (reqs)
325	{
326	prv = reqs;
327	reqs = prv->next;
328	free_req (prv);
329	}
330
331	reqs = reqe = 0;
332
333	while (ress)
334	{
335	prv = ress;
336	ress = prv->next;
337	free_req (prv);
338	}
339
340	ress = rese = 0;
341
342	close (respipe [0]);
343	close (respipe [1]);
344	create_pipe ();
345
346	atfork_parent ();
347	}
348
349	/*****************************************************************************/	361	/*****************************************************************************/
350	/* work around various missing functions */	362	/* work around various missing functions */
351		363
352	#if !HAVE_PREADWRITE	364	#if !HAVE_PREADWRITE
353	# define pread aio_pread	365	# define pread aio_pread
…		…
356	/*	368	/*
357	* make our pread/pwrite safe against themselves, but not against	369	* make our pread/pwrite safe against themselves, but not against
358	* normal read/write by using a mutex. slows down execution a lot,	370	* normal read/write by using a mutex. slows down execution a lot,
359	* but that's your problem, not mine.	371	* but that's your problem, not mine.
360	*/	372	*/
361	static pthread_mutex_t iolock = PTHREAD_MUTEX_INITIALIZER;	373	static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER;
362		374
363	static ssize_t	375	static ssize_t
364	pread (int fd, void *buf, size_t count, off_t offset)	376	pread (int fd, void *buf, size_t count, off_t offset)
365	{	377	{
366	ssize_t res;	378	ssize_t res;
367	off_t ooffset;	379	off_t ooffset;
368		380
369	pthread_mutex_lock (&iolock);	381	pthread_mutex_lock (&preadwritelock);
370	ooffset = lseek (fd, 0, SEEK_CUR);	382	ooffset = lseek (fd, 0, SEEK_CUR);
371	lseek (fd, offset, SEEK_SET);	383	lseek (fd, offset, SEEK_SET);
372	res = read (fd, buf, count);	384	res = read (fd, buf, count);
373	lseek (fd, ooffset, SEEK_SET);	385	lseek (fd, ooffset, SEEK_SET);
374	pthread_mutex_unlock (&iolock);	386	pthread_mutex_unlock (&preadwritelock);
375		387
376	return res;	388	return res;
377	}	389	}
378		390
379	static ssize_t	391	static ssize_t
380	pwrite (int fd, void *buf, size_t count, off_t offset)	392	pwrite (int fd, void *buf, size_t count, off_t offset)
381	{	393	{
382	ssize_t res;	394	ssize_t res;
383	off_t ooffset;	395	off_t ooffset;
384		396
385	pthread_mutex_lock (&iolock);	397	pthread_mutex_lock (&preadwritelock);
386	ooffset = lseek (fd, 0, SEEK_CUR);	398	ooffset = lseek (fd, 0, SEEK_CUR);
387	lseek (fd, offset, SEEK_SET);	399	lseek (fd, offset, SEEK_SET);
388	res = write (fd, buf, count);	400	res = write (fd, buf, count);
389	lseek (fd, offset, SEEK_SET);	401	lseek (fd, offset, SEEK_SET);
390	pthread_mutex_unlock (&iolock);	402	pthread_mutex_unlock (&preadwritelock);
391		403
392	return res;	404	return res;
393	}	405	}
394	#endif	406	#endif
395		407
…		…
398	#endif	410	#endif
399		411
400	#if !HAVE_READAHEAD	412	#if !HAVE_READAHEAD
401	# define readahead aio_readahead	413	# define readahead aio_readahead
402		414
403	static char readahead_buf[4096];
404
405	static ssize_t	415	static ssize_t
406	readahead (int fd, off_t offset, size_t count)	416	readahead (int fd, off_t offset, size_t count)
407	{	417	{
		418	char readahead_buf[4096];
		419
408	while (count > 0)	420	while (count > 0)
409	{	421	{
410	size_t len = count < sizeof (readahead_buf) ? count : sizeof (readahead_buf);	422	size_t len = count < sizeof (readahead_buf) ? count : sizeof (readahead_buf);
411		423
412	pread (fd, readahead_buf, len, offset);	424	pread (fd, readahead_buf, len, offset);
…		…
415	}	427	}
416		428
417	errno = 0;	429	errno = 0;
418	}	430	}
419	#endif	431	#endif
		432
		433	#if !HAVE_READDIR_R
		434	# define readdir_r aio_readdir_r
		435
		436	static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER;
		437
		438	static int
		439	readdir_r (DIR dirp, struct dirent ent, struct dirent **res)
		440	{
		441	struct dirent *e;
		442	int errorno;
		443
		444	pthread_mutex_lock (&readdirlock);
		445
		446	e = readdir (dirp);
		447	errorno = errno;
		448
		449	if (e)
		450	{
		451	*res = ent;
		452	strcpy (ent->d_name, e->d_name);
		453	}
		454	else
		455	*res = 0;
		456
		457	pthread_mutex_unlock (&readdirlock);
		458
		459	errno = errorno;
		460	return e ? 0 : -1;
		461	}
		462	#endif
		463
		464	/* sendfile always needs emulation */
		465	static ssize_t
		466	sendfile_ (int ofd, int ifd, off_t offset, size_t count)
		467	{
		468	ssize_t res;
		469
		470	if (!count)
		471	return 0;
		472
		473	#if HAVE_SENDFILE
		474	# if __linux
		475	res = sendfile (ofd, ifd, &offset, count);
		476
		477	# elif __freebsd
		478	/*
		479	* Of course, the freebsd sendfile is a dire hack with no thoughts
		480	* wasted on making it similar to other I/O functions.
		481	*/
		482	{
		483	off_t sbytes;
		484	res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0);
		485
		486	if (res < 0 && sbytes)
		487	/* maybe only on EAGAIN only: as usual, the manpage leaves you guessing */
		488	res = sbytes;
		489	}
		490
		491	# elif __hpux
		492	res = sendfile (ofd, ifd, offset, count, 0, 0);
		493
		494	# elif __solaris
		495	{
		496	struct sendfilevec vec;
		497	size_t sbytes;
		498
		499	vec.sfv_fd = ifd;
		500	vec.sfv_flag = 0;
		501	vec.sfv_off = offset;
		502	vec.sfv_len = count;
		503
		504	res = sendfilev (ofd, &vec, 1, &sbytes);
		505
		506	if (res < 0 && sbytes)
		507	res = sbytes;
		508	}
		509
		510	# endif
		511	#else
		512	res = -1;
		513	errno = ENOSYS;
		514	#endif
		515
		516	if (res < 0
		517	&& (errno == ENOSYS \|\| errno == EINVAL \|\| errno == ENOTSOCK
		518	#if __solaris
		519	\|\| errno == EAFNOSUPPORT \|\| errno == EPROTOTYPE
		520	#endif
		521	)
		522	)
		523	{
		524	/* emulate sendfile. this is a major pain in the ass */
		525	char buf[4096];
		526	res = 0;
		527
		528	while (count)
		529	{
		530	ssize_t cnt;
		531
		532	cnt = pread (ifd, buf, count > 4096 ? 4096 : count, offset);
		533
		534	if (cnt <= 0)
		535	{
		536	if (cnt && !res) res = -1;
		537	break;
		538	}
		539
		540	cnt = write (ofd, buf, cnt);
		541
		542	if (cnt <= 0)
		543	{
		544	if (cnt && !res) res = -1;
		545	break;
		546	}
		547
		548	offset += cnt;
		549	res += cnt;
		550	count -= cnt;
		551	}
		552	}
		553
		554	return res;
		555	}
		556
		557	/* read a full directory */
		558	static int
		559	scandir_ (const char path, void *namesp)
		560	{
		561	DIR *dirp = opendir (path);
		562	union
		563	{
		564	struct dirent d;
		565	char b [offsetof (struct dirent, d_name) + NAME_MAX + 1];
		566	} u;
		567	struct dirent *entp;
		568	char name, names;
		569	int memlen = 4096;
		570	int memofs = 0;
		571	int res = 0;
		572	int errorno;
		573
		574	if (!dirp)
		575	return -1;
		576
		577	names = malloc (memlen);
		578
		579	for (;;)
		580	{
		581	errno = 0, readdir_r (dirp, &u.d, &entp);
		582
		583	if (!entp)
		584	break;
		585
		586	name = entp->d_name;
		587
		588	if (name [0] != '.' \|\| (name [1] && (name [1] != '.' \|\| name [2])))
		589	{
		590	int len = strlen (name) + 1;
		591
		592	res++;
		593
		594	while (memofs + len > memlen)
		595	{
		596	memlen *= 2;
		597	names = realloc (names, memlen);
		598	if (!names)
		599	break;
		600	}
		601
		602	memcpy (names + memofs, name, len);
		603	memofs += len;
		604	}
		605	}
		606
		607	errorno = errno;
		608	closedir (dirp);
		609
		610	if (errorno)
		611	{
		612	free (names);
		613	errno = errorno;
		614	res = -1;
		615	}
		616
		617	namesp = (void )names;
		618	return res;
		619	}
420		620
421	/*****************************************************************************/	621	/*****************************************************************************/
422		622
423	static void *	623	static void *
424	aio_proc (void *thr_arg)	624	aio_proc (void *thr_arg)
…		…
456	{	656	{
457	case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break;	657	case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break;
458	case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break;	658	case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break;
459		659
460	case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break;	660	case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break;
		661	case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length); break;
461		662
462	case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break;	663	case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break;
463	case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break;	664	case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break;
464	case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break;	665	case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break;
465		666
466	case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break;	667	case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break;
467	case REQ_CLOSE: req->result = close (req->fd); break;	668	case REQ_CLOSE: req->result = close (req->fd); break;
468	case REQ_UNLINK: req->result = unlink (req->dataptr); break;	669	case REQ_UNLINK: req->result = unlink (req->dataptr); break;
469	case REQ_RMDIR: req->result = rmdir (req->dataptr); break;	670	case REQ_RMDIR: req->result = rmdir (req->dataptr); break;
		671	case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break;
		672	case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break;
470	case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break;	673	case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break;
471		674
472	case REQ_FDATASYNC: req->result = fdatasync (req->fd); break;	675	case REQ_FDATASYNC: req->result = fdatasync (req->fd); break;
473	case REQ_FSYNC: req->result = fsync (req->fd); break;	676	case REQ_FSYNC: req->result = fsync (req->fd); break;
		677	case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break;
474		678
475	case REQ_QUIT:	679	case REQ_QUIT:
476	break;	680	break;
477		681
478	default:	682	default:
…		…
502	pthread_mutex_unlock (&reslock);	706	pthread_mutex_unlock (&reslock);
503	}	707	}
504	while (type != REQ_QUIT);	708	while (type != REQ_QUIT);
505		709
506	return 0;	710	return 0;
		711	}
		712
		713	/*****************************************************************************/
		714
		715	static void atfork_prepare (void)
		716	{
		717	pthread_mutex_lock (&reqlock);
		718	pthread_mutex_lock (&reslock);
		719	#if !HAVE_PREADWRITE
		720	pthread_mutex_lock (&preadwritelock);
		721	#endif
		722	#if !HAVE_READDIR_R
		723	pthread_mutex_lock (&readdirlock);
		724	#endif
		725	}
		726
		727	static void atfork_parent (void)
		728	{
		729	#if !HAVE_READDIR_R
		730	pthread_mutex_unlock (&readdirlock);
		731	#endif
		732	#if !HAVE_PREADWRITE
		733	pthread_mutex_unlock (&preadwritelock);
		734	#endif
		735	pthread_mutex_unlock (&reslock);
		736	pthread_mutex_unlock (&reqlock);
		737	}
		738
		739	static void atfork_child (void)
		740	{
		741	aio_req prv;
		742
		743	started = 0;
		744
		745	while (reqs)
		746	{
		747	prv = reqs;
		748	reqs = prv->next;
		749	free_req (prv);
		750	}
		751
		752	reqs = reqe = 0;
		753
		754	while (ress)
		755	{
		756	prv = ress;
		757	ress = prv->next;
		758	free_req (prv);
		759	}
		760
		761	ress = rese = 0;
		762
		763	close (respipe [0]);
		764	close (respipe [1]);
		765	create_pipe ();
		766
		767	atfork_parent ();
507	}	768	}
508		769
509	#define dREQ \	770	#define dREQ \
510	aio_req req; \	771	aio_req req; \
511	\	772	\
…		…
522		783
523	PROTOTYPES: ENABLE	784	PROTOTYPES: ENABLE
524		785
525	BOOT:	786	BOOT:
526	{	787	{
		788	HV *stash = gv_stashpv ("IO::AIO", 1);
		789	newCONSTSUB (stash, "EXDEV", newSViv (EXDEV));
		790	newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY));
		791	newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY));
		792
527	create_pipe ();	793	create_pipe ();
528	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);	794	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);
529	}	795	}
530		796
531	void	797	void
532	min_parallel(nthreads)	798	min_parallel (nthreads)
533	int nthreads	799	int nthreads
534	PROTOTYPE: $	800	PROTOTYPE: $
535		801
536	void	802	void
537	max_parallel(nthreads)	803	max_parallel (nthreads)
538	int nthreads	804	int nthreads
539	PROTOTYPE: $	805	PROTOTYPE: $
540		806
541	int	807	int
542	max_outstanding(nreqs)	808	max_outstanding (nreqs)
543	int nreqs	809	int nreqs
544	PROTOTYPE: $	810	PROTOTYPE: $
545	CODE:	811	CODE:
546	RETVAL = max_outstanding;	812	RETVAL = max_outstanding;
547	max_outstanding = nreqs;	813	max_outstanding = nreqs;
548		814
549	void	815	void
550	aio_open(pathname,flags,mode,callback=&PL_sv_undef)	816	aio_open (pathname,flags,mode,callback=&PL_sv_undef)
551	SV * pathname	817	SV * pathname
552	int flags	818	int flags
553	int mode	819	int mode
554	SV * callback	820	SV * callback
555	PROTOTYPE: $$$;$	821	PROTOTYPE: $$$;$
…		…
565		831
566	send_req (req);	832	send_req (req);
567	}	833	}
568		834
569	void	835	void
570	aio_close(fh,callback=&PL_sv_undef)	836	aio_close (fh,callback=&PL_sv_undef)
571	SV * fh	837	SV * fh
572	SV * callback	838	SV * callback
573	PROTOTYPE: $;$	839	PROTOTYPE: $;$
574	ALIAS:	840	ALIAS:
575	aio_close = REQ_CLOSE	841	aio_close = REQ_CLOSE
…		…
585		851
586	send_req (req);	852	send_req (req);
587	}	853	}
588		854
589	void	855	void
590	aio_read(fh,offset,length,data,dataoffset,callback=&PL_sv_undef)	856	aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef)
591	SV * fh	857	SV * fh
592	UV offset	858	UV offset
593	IV length	859	UV length
594	SV * data	860	SV * data
595	IV dataoffset	861	UV dataoffset
596	SV * callback	862	SV * callback
597	ALIAS:	863	ALIAS:
598	aio_read = REQ_READ	864	aio_read = REQ_READ
599	aio_write = REQ_WRITE	865	aio_write = REQ_WRITE
600	PROTOTYPE: $$$$$;$	866	PROTOTYPE: $$$$$;$
…		…
649	send_req (req);	915	send_req (req);
650	}	916	}
651	}	917	}
652		918
653	void	919	void
		920	aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef)
		921	SV * out_fh
		922	SV * in_fh
		923	UV in_offset
		924	UV length
		925	SV * callback
		926	PROTOTYPE: $$$$;$
		927	CODE:
		928	{
		929	dREQ;
		930
		931	req->type = REQ_SENDFILE;
		932	req->fh = newSVsv (out_fh);
		933	req->fd = PerlIO_fileno (IoIFP (sv_2io (out_fh)));
		934	req->fh2 = newSVsv (in_fh);
		935	req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));
		936	req->offset = in_offset;
		937	req->length = length;
		938
		939	send_req (req);
		940	}
		941
		942	void
654	aio_readahead(fh,offset,length,callback=&PL_sv_undef)	943	aio_readahead (fh,offset,length,callback=&PL_sv_undef)
655	SV * fh	944	SV * fh
656	UV offset	945	UV offset
657	IV length	946	IV length
658	SV * callback	947	SV * callback
659	PROTOTYPE: $$$;$	948	PROTOTYPE: $$$;$
…		…
669		958
670	send_req (req);	959	send_req (req);
671	}	960	}
672		961
673	void	962	void
674	aio_stat(fh_or_path,callback=&PL_sv_undef)	963	aio_stat (fh_or_path,callback=&PL_sv_undef)
675	SV * fh_or_path	964	SV * fh_or_path
676	SV * callback	965	SV * callback
677	ALIAS:	966	ALIAS:
678	aio_stat = REQ_STAT	967	aio_stat = REQ_STAT
679	aio_lstat = REQ_LSTAT	968	aio_lstat = REQ_LSTAT
…		…
703		992
704	send_req (req);	993	send_req (req);
705	}	994	}
706		995
707	void	996	void
708	aio_unlink(pathname,callback=&PL_sv_undef)	997	aio_unlink (pathname,callback=&PL_sv_undef)
709	SV * pathname	998	SV * pathname
710	SV * callback	999	SV * callback
711	ALIAS:	1000	ALIAS:
712	aio_unlink = REQ_UNLINK	1001	aio_unlink = REQ_UNLINK
713	aio_rmdir = REQ_RMDIR	1002	aio_rmdir = REQ_RMDIR
		1003	aio_readdir = REQ_READDIR
714	CODE:	1004	CODE:
715	{	1005	{
716	dREQ;	1006	dREQ;
717		1007
718	req->type = ix;	1008	req->type = ix;
…		…
721		1011
722	send_req (req);	1012	send_req (req);
723	}	1013	}
724		1014
725	void	1015	void
726	aio_symlink(oldpath,newpath,callback=&PL_sv_undef)	1016	aio_link (oldpath,newpath,callback=&PL_sv_undef)
727	SV * oldpath	1017	SV * oldpath
728	SV * newpath	1018	SV * newpath
729	SV * callback	1019	SV * callback
		1020	ALIAS:
		1021	aio_link = REQ_LINK
		1022	aio_symlink = REQ_SYMLINK
		1023	aio_rename = REQ_RENAME
730	CODE:	1024	CODE:
731	{	1025	{
732	dREQ;	1026	dREQ;
733		1027
734	req->type = REQ_SYMLINK;	1028	req->type = ix;
735	req->fh = newSVsv (oldpath);	1029	req->fh = newSVsv (oldpath);
736	req->data2ptr = SvPVbyte_nolen (req->fh);	1030	req->data2ptr = SvPVbyte_nolen (req->fh);
737	req->data = newSVsv (newpath);	1031	req->data = newSVsv (newpath);
738	req->dataptr = SvPVbyte_nolen (req->data);	1032	req->dataptr = SvPVbyte_nolen (req->data);
739		1033
740	send_req (req);	1034	send_req (req);
741	}	1035	}
742		1036
743	void	1037	void
744	flush()	1038	flush ()
745	PROTOTYPE:	1039	PROTOTYPE:
746	CODE:	1040	CODE:
747	while (nreqs)	1041	while (nreqs)
748	{	1042	{
749	poll_wait ();	1043	poll_wait ();

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Comparing IO-AIO/AIO.xs (file contents): Revision 1.31 by root, Thu Aug 18 16:34:53 2005 UTC vs. Revision 1.41 by root, Sat Jun 24 19:14:04 2006 UTC

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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.31 by root, Thu Aug 18 16:34:53 2005 UTC vs.
Revision 1.41 by root, Sat Jun 24 19:14:04 2006 UTC