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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.14 by root, Sat Jul 23 18:15:36 2005 UTC vs.
Revision 1.31 by root, Thu Aug 18 16:34:53 2005 UTC

…		…
		1	#define _REENTRANT 1
		2	#include <errno.h>
		3
		4	#include "EXTERN.h"
1	#include "perl.h"	5	#include "perl.h"
2	#include "XSUB.h"	6	#include "XSUB.h"
		7
		8	#include "autoconf/config.h"
3		9
4	#include <sys/types.h>	10	#include <sys/types.h>
5	#include <sys/stat.h>	11	#include <sys/stat.h>
6		12
7	#include <unistd.h>	13	#include <unistd.h>
8	#include <fcntl.h>	14	#include <fcntl.h>
9	#include <signal.h>	15	#include <signal.h>
10	#include <sched.h>	16	#include <sched.h>
11	#if __linux
12	#include <sys/syscall.h>
13	#endif
14		17
15	#include <pthread.h>	18	#include <pthread.h>
16		19
17	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 ;) */
18	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 ;) */
26		29
27	enum {	30	enum {
28	REQ_QUIT,	31	REQ_QUIT,
29	REQ_OPEN, REQ_CLOSE,	32	REQ_OPEN, REQ_CLOSE,
30	REQ_READ, REQ_WRITE, REQ_READAHEAD,	33	REQ_READ, REQ_WRITE, REQ_READAHEAD,
31	REQ_STAT, REQ_LSTAT, REQ_FSTAT, REQ_UNLINK,	34	REQ_STAT, REQ_LSTAT, REQ_FSTAT,
32	REQ_FSYNC, REQ_FDATASYNC,	35	REQ_FSYNC, REQ_FDATASYNC,
		36	REQ_UNLINK, REQ_RMDIR,
		37	REQ_SYMLINK,
33	};	38	};
34		39
35	typedef struct aio_cb {	40	typedef struct aio_cb {
36	struct aio_cb *volatile next;	41	struct aio_cb *volatile next;
37		42
…		…
42	size_t length;	47	size_t length;
43	ssize_t result;	48	ssize_t result;
44	mode_t mode; /* open */	49	mode_t mode; /* open */
45	int errorno;	50	int errorno;
46	SV data, callback, *fh;	51	SV data, callback, *fh;
47	void *dataptr;	52	void dataptr, data2ptr;
48	STRLEN dataoffset;	53	STRLEN dataoffset;
49		54
50	Stat_t *statdata;	55	Stat_t *statdata;
51	} aio_cb;	56	} aio_cb;
52		57
53	typedef aio_cb *aio_req;	58	typedef aio_cb *aio_req;
54		59
55	static int started;	60	static int started, wanted;
56	static volatile int nreqs;	61	static volatile int nreqs;
57	static int max_outstanding = 1<<30;	62	static int max_outstanding = 1<<30;
58	static int respipe [2];	63	static int respipe [2];
59		64
60	static pthread_mutex_t reslock = PTHREAD_MUTEX_INITIALIZER;	65	static pthread_mutex_t reslock = PTHREAD_MUTEX_INITIALIZER;
…		…
62	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	67	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;
63		68
64	static volatile aio_req reqs, reqe; /* queue start, queue end */	69	static volatile aio_req reqs, reqe; /* queue start, queue end */
65	static volatile aio_req ress, rese; /* queue start, queue end */	70	static volatile aio_req ress, rese; /* queue start, queue end */
66		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	}
		88
67	static void	89	static void
68	poll_wait ()	90	poll_wait ()
69	{	91	{
70	if (nreqs && !ress)	92	if (nreqs && !ress)
71	{	93	{
…		…
80	static int	102	static int
81	poll_cb ()	103	poll_cb ()
82	{	104	{
83	dSP;	105	dSP;
84	int count = 0;	106	int count = 0;
		107	int do_croak = 0;
85	aio_req req, prv;	108	aio_req req;
86		109
		110	for (;;)
		111	{
87	pthread_mutex_lock (&reslock);	112	pthread_mutex_lock (&reslock);
		113	req = ress;
88		114
89	{	115	if (req)
		116	{
		117	ress = req->next;
		118
		119	if (!ress)
		120	{
90	/* read any signals sent by the worker threads */	121	/* read any signals sent by the worker threads */
91	char buf [32];	122	char buf [32];
92	while (read (respipe [0], buf, 32) > 0)	123	while (read (respipe [0], buf, 32) == 32)
		124	;
		125
		126	rese = 0;
		127	}
93	;	128	}
94	}
95		129
96	req = ress;
97	ress = rese = 0;
98
99	pthread_mutex_unlock (&reslock);	130	pthread_mutex_unlock (&reslock);
100		131
101	while (req)	132	if (!req)
102	{	133	break;
		134
103	nreqs--;	135	nreqs--;
104		136
105	if (req->type == REQ_QUIT)	137	if (req->type == REQ_QUIT)
106	started--;	138	started--;
107	else	139	else
108	{	140	{
109	int errorno = errno;	141	int errorno = errno;
110	errno = req->errorno;	142	errno = req->errorno;
111		143
112	if (req->type == REQ_READ)	144	if (req->type == REQ_READ)
113	SvCUR_set (req->data, req->dataoffset	145	SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0));
114	+ req->result > 0 ? req->result : 0);
115		146
		147	if (req->data2ptr && (req->type == REQ_READ \|\| req->type == REQ_WRITE))
		148	SvREADONLY_off (req->data);
		149
116	if (req->data)	150	if (req->statdata)
117	SvREFCNT_dec (req->data);
118
119	if (req->fh)
120	SvREFCNT_dec (req->fh);
121
122	if (req->type == REQ_STAT \|\| req->type == REQ_LSTAT \|\| req->type == REQ_FSTAT)
123	{	151	{
124	PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT;	152	PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT;
125	PL_laststatval = req->result;	153	PL_laststatval = req->result;
126	PL_statcache = *(req->statdata);	154	PL_statcache = *(req->statdata);
127
128	Safefree (req->statdata);
129	}	155	}
130		156
131	ENTER;	157	ENTER;
132	PUSHMARK (SP);	158	PUSHMARK (SP);
133	XPUSHs (sv_2mortal (newSViv (req->result)));	159	XPUSHs (sv_2mortal (newSViv (req->result)));
…		…
150	if (SvOK (req->callback))	176	if (SvOK (req->callback))
151	{	177	{
152	PUTBACK;	178	PUTBACK;
153	call_sv (req->callback, G_VOID \| G_EVAL);	179	call_sv (req->callback, G_VOID \| G_EVAL);
154	SPAGAIN;	180	SPAGAIN;
		181
		182	if (SvTRUE (ERRSV))
		183	{
		184	free_req (req);
		185	croak (0);
		186	}
155	}	187	}
156		188
157	LEAVE;	189	LEAVE;
158
159	if (req->callback)
160	SvREFCNT_dec (req->callback);
161		190
162	errno = errorno;	191	errno = errorno;
163	count++;	192	count++;
164	}	193	}
165		194
166	prv = req;	195	free_req (req);
167	req = req->next;
168	Safefree (prv);
169
170	/* TODO: croak on errors? */
171	}	196	}
172		197
173	return count;	198	return count;
174	}	199	}
175		200
…		…
196	}	221	}
197		222
198	static void	223	static void
199	send_req (aio_req req)	224	send_req (aio_req req)
200	{	225	{
		226	while (started < wanted && nreqs >= started)
		227	start_thread ();
		228
201	nreqs++;	229	nreqs++;
202		230
203	pthread_mutex_lock (&reqlock);	231	pthread_mutex_lock (&reqlock);
204		232
205	req->next = 0;	233	req->next = 0;
…		…
213	reqe = reqs = req;	241	reqe = reqs = req;
214		242
215	pthread_cond_signal (&reqwait);	243	pthread_cond_signal (&reqwait);
216	pthread_mutex_unlock (&reqlock);	244	pthread_mutex_unlock (&reqlock);
217		245
218	while (nreqs > max_outstanding)	246	if (nreqs > max_outstanding)
		247	for (;;)
		248	{
		249	poll_cb ();
		250
		251	if (nreqs <= max_outstanding)
		252	break;
		253
		254	poll_wait ();
		255	}
		256	}
		257
		258	static void
		259	end_thread (void)
		260	{
		261	aio_req req;
		262	Newz (0, req, 1, aio_cb);
		263	req->type = REQ_QUIT;
		264
		265	send_req (req);
		266	}
		267
		268	static void min_parallel (int nthreads)
		269	{
		270	if (wanted < nthreads)
		271	wanted = nthreads;
		272	}
		273
		274	static void max_parallel (int nthreads)
		275	{
		276	int cur = started;
		277
		278	if (wanted > nthreads)
		279	wanted = nthreads;
		280
		281	while (cur > wanted)
		282	{
		283	end_thread ();
		284	cur--;
		285	}
		286
		287	while (started > wanted)
219	{	288	{
220	poll_wait ();	289	poll_wait ();
221	poll_cb ();	290	poll_cb ();
222	}	291	}
223	}	292	}
224		293
225	static void	294	static void create_pipe ()
226	end_thread (void)
227	{	295	{
		296	if (pipe (respipe))
		297	croak ("unable to initialize result pipe");
		298
		299	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK))
		300	croak ("cannot set result pipe to nonblocking mode");
		301
		302	if (fcntl (respipe [1], F_SETFL, O_NONBLOCK))
		303	croak ("cannot set result pipe to nonblocking mode");
		304	}
		305
		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	{
228	aio_req req;	320	aio_req prv;
229	New (0, req, 1, aio_cb);
230	req->type = REQ_QUIT;
231		321
232	send_req (req);	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 ();
233	}	347	}
		348
		349	/*****************************************************************************/
		350	/* work around various missing functions */
		351
		352	#if !HAVE_PREADWRITE
		353	# define pread aio_pread
		354	# define pwrite aio_pwrite
		355
		356	/*
		357	* make our pread/pwrite safe against themselves, but not against
		358	* normal read/write by using a mutex. slows down execution a lot,
		359	* but that's your problem, not mine.
		360	*/
		361	static pthread_mutex_t iolock = PTHREAD_MUTEX_INITIALIZER;
		362
		363	static ssize_t
		364	pread (int fd, void *buf, size_t count, off_t offset)
		365	{
		366	ssize_t res;
		367	off_t ooffset;
		368
		369	pthread_mutex_lock (&iolock);
		370	ooffset = lseek (fd, 0, SEEK_CUR);
		371	lseek (fd, offset, SEEK_SET);
		372	res = read (fd, buf, count);
		373	lseek (fd, ooffset, SEEK_SET);
		374	pthread_mutex_unlock (&iolock);
		375
		376	return res;
		377	}
		378
		379	static ssize_t
		380	pwrite (int fd, void *buf, size_t count, off_t offset)
		381	{
		382	ssize_t res;
		383	off_t ooffset;
		384
		385	pthread_mutex_lock (&iolock);
		386	ooffset = lseek (fd, 0, SEEK_CUR);
		387	lseek (fd, offset, SEEK_SET);
		388	res = write (fd, buf, count);
		389	lseek (fd, offset, SEEK_SET);
		390	pthread_mutex_unlock (&iolock);
		391
		392	return res;
		393	}
		394	#endif
		395
		396	#if !HAVE_FDATASYNC
		397	# define fdatasync fsync
		398	#endif
		399
		400	#if !HAVE_READAHEAD
		401	# define readahead aio_readahead
		402
		403	static char readahead_buf[4096];
		404
		405	static ssize_t
		406	readahead (int fd, off_t offset, size_t count)
		407	{
		408	while (count > 0)
		409	{
		410	size_t len = count < sizeof (readahead_buf) ? count : sizeof (readahead_buf);
		411
		412	pread (fd, readahead_buf, len, offset);
		413	offset += len;
		414	count -= len;
		415	}
		416
		417	errno = 0;
		418	}
		419	#endif
		420
		421	/*****************************************************************************/
234		422
235	static void *	423	static void *
236	aio_proc (void *thr_arg)	424	aio_proc (void *thr_arg)
237	{	425	{
238	aio_req req;	426	aio_req req;
…		…
266		454
267	switch (type)	455	switch (type)
268	{	456	{
269	case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break;	457	case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break;
270	case REQ_WRITE: req->result = pwrite (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;
271	#if SYS_readahead	459
272	case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break;	460	case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break;
273	#else
274	case REQ_READAHEAD: req->result = -1; errno = ENOSYS; break;
275	#endif
276		461
277	case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break;	462	case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break;
278	case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break;	463	case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break;
279	case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break;	464	case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break;
280		465
281	case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break;	466	case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break;
282	case REQ_CLOSE: req->result = close (req->fd); break;	467	case REQ_CLOSE: req->result = close (req->fd); break;
283	case REQ_UNLINK: req->result = unlink (req->dataptr); break;	468	case REQ_UNLINK: req->result = unlink (req->dataptr); break;
		469	case REQ_RMDIR: req->result = rmdir (req->dataptr); break;
		470	case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break;
284		471
		472	case REQ_FDATASYNC: req->result = fdatasync (req->fd); break;
285	case REQ_FSYNC: req->result = fsync (req->fd); break;	473	case REQ_FSYNC: req->result = fsync (req->fd); break;
286	case REQ_FDATASYNC: req->result = fdatasync (req->fd); break;
287		474
288	case REQ_QUIT:	475	case REQ_QUIT:
289	break;	476	break;
290		477
291	default:	478	default:
…		…
317	while (type != REQ_QUIT);	504	while (type != REQ_QUIT);
318		505
319	return 0;	506	return 0;
320	}	507	}
321		508
		509	#define dREQ \
		510	aio_req req; \
		511	\
		512	if (SvOK (callback) && !SvROK (callback)) \
		513	croak ("clalback must be undef or of reference type"); \
		514	\
		515	Newz (0, req, 1, aio_cb); \
		516	if (!req) \
		517	croak ("out of memory during aio_req allocation"); \
		518	\
		519	req->callback = newSVsv (callback);
		520
322	MODULE = IO::AIO PACKAGE = IO::AIO	521	MODULE = IO::AIO PACKAGE = IO::AIO
323		522
324	PROTOTYPES: ENABLE	523	PROTOTYPES: ENABLE
325		524
326	BOOT:	525	BOOT:
327	{	526	{
328	if (pipe (respipe))	527	create_pipe ();
329	croak ("unable to initialize result pipe");	528	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);
330
331	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK))
332	croak ("cannot set result pipe to nonblocking mode");
333
334	if (fcntl (respipe [1], F_SETFL, O_NONBLOCK))
335	croak ("cannot set result pipe to nonblocking mode");
336	}	529	}
337		530
338	void	531	void
339	min_parallel(nthreads)	532	min_parallel(nthreads)
340	int nthreads	533	int nthreads
341	PROTOTYPE: $	534	PROTOTYPE: $
342	CODE:
343	while (nthreads > started)
344	start_thread ();
345		535
346	void	536	void
347	max_parallel(nthreads)	537	max_parallel(nthreads)
348	int nthreads	538	int nthreads
349	PROTOTYPE: $	539	PROTOTYPE: $
350	CODE:
351	{
352	int cur = started;
353	while (cur > nthreads)
354	{
355	end_thread ();
356	cur--;
357	}
358
359	while (started > nthreads)
360	{
361	poll_wait ();
362	poll_cb ();
363	}
364	}
365		540
366	int	541	int
367	max_outstanding(nreqs)	542	max_outstanding(nreqs)
368	int nreqs	543	int nreqs
369	PROTOTYPE: $	544	PROTOTYPE: $
…		…
378	int mode	553	int mode
379	SV * callback	554	SV * callback
380	PROTOTYPE: $$$;$	555	PROTOTYPE: $$$;$
381	CODE:	556	CODE:
382	{	557	{
383	aio_req req;	558	dREQ;
384
385	Newz (0, req, 1, aio_cb);
386
387	if (!req)
388	croak ("out of memory during aio_req allocation");
389		559
390	req->type = REQ_OPEN;	560	req->type = REQ_OPEN;
391	req->data = newSVsv (pathname);	561	req->data = newSVsv (pathname);
392	req->dataptr = SvPV_nolen (req->data);	562	req->dataptr = SvPVbyte_nolen (req->data);
393	req->fd = flags;	563	req->fd = flags;
394	req->mode = mode;	564	req->mode = mode;
395	req->callback = SvREFCNT_inc (callback);
396		565
397	send_req (req);	566	send_req (req);
398	}	567	}
399		568
400	void	569	void
…		…
406	aio_close = REQ_CLOSE	575	aio_close = REQ_CLOSE
407	aio_fsync = REQ_FSYNC	576	aio_fsync = REQ_FSYNC
408	aio_fdatasync = REQ_FDATASYNC	577	aio_fdatasync = REQ_FDATASYNC
409	CODE:	578	CODE:
410	{	579	{
411	aio_req req;	580	dREQ;
412
413	Newz (0, req, 1, aio_cb);
414
415	if (!req)
416	croak ("out of memory during aio_req allocation");
417		581
418	req->type = ix;	582	req->type = ix;
419	req->fh = newSVsv (fh);	583	req->fh = newSVsv (fh);
420	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));	584	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
421	req->callback = SvREFCNT_inc (callback);
422		585
423	send_req (req);	586	send_req (req);
424	}	587	}
425		588
426	void	589	void
…		…
437	PROTOTYPE: $$$$$;$	600	PROTOTYPE: $$$$$;$
438	CODE:	601	CODE:
439	{	602	{
440	aio_req req;	603	aio_req req;
441	STRLEN svlen;	604	STRLEN svlen;
442	char *svptr = SvPV (data, svlen);	605	char *svptr = SvPVbyte (data, svlen);
443		606
444	SvUPGRADE (data, SVt_PV);	607	SvUPGRADE (data, SVt_PV);
445	SvPOK_on (data);	608	SvPOK_on (data);
446		609
447	if (dataoffset < 0)	610	if (dataoffset < 0)
…		…
463	}	626	}
464		627
465	if (length < 0)	628	if (length < 0)
466	croak ("length must not be negative");	629	croak ("length must not be negative");
467		630
468	Newz (0, req, 1, aio_cb);	631	{
		632	dREQ;
469		633
470	if (!req)
471	croak ("out of memory during aio_req allocation");
472
473	req->type = ix;	634	req->type = ix;
474	req->fh = newSVsv (fh);	635	req->fh = newSVsv (fh);
475	req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh))	636	req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh))
476	: IoOFP (sv_2io (fh)));	637	: IoOFP (sv_2io (fh)));
477	req->offset = offset;	638	req->offset = offset;
478	req->length = length;	639	req->length = length;
479	req->data = SvREFCNT_inc (data);	640	req->data = SvREFCNT_inc (data);
480	req->dataptr = (char *)svptr + dataoffset;	641	req->dataptr = (char *)svptr + dataoffset;
481	req->callback = SvREFCNT_inc (callback);
482		642
		643	if (!SvREADONLY (data))
		644	{
		645	SvREADONLY_on (data);
		646	req->data2ptr = (void *)data;
		647	}
		648
483	send_req (req);	649	send_req (req);
		650	}
484	}	651	}
485		652
486	void	653	void
487	aio_readahead(fh,offset,length,callback=&PL_sv_undef)	654	aio_readahead(fh,offset,length,callback=&PL_sv_undef)
488	SV * fh	655	SV * fh
…		…
490	IV length	657	IV length
491	SV * callback	658	SV * callback
492	PROTOTYPE: $$$;$	659	PROTOTYPE: $$$;$
493	CODE:	660	CODE:
494	{	661	{
495	aio_req req;	662	dREQ;
496
497	if (length < 0)
498	croak ("length must not be negative");
499
500	Newz (0, req, 1, aio_cb);
501
502	if (!req)
503	croak ("out of memory during aio_req allocation");
504		663
505	req->type = REQ_READAHEAD;	664	req->type = REQ_READAHEAD;
506	req->fh = newSVsv (fh);	665	req->fh = newSVsv (fh);
507	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));	666	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
508	req->offset = offset;	667	req->offset = offset;
509	req->length = length;	668	req->length = length;
510	req->callback = SvREFCNT_inc (callback);
511		669
512	send_req (req);	670	send_req (req);
513	}	671	}
514		672
515	void	673	void
…		…
519	ALIAS:	677	ALIAS:
520	aio_stat = REQ_STAT	678	aio_stat = REQ_STAT
521	aio_lstat = REQ_LSTAT	679	aio_lstat = REQ_LSTAT
522	CODE:	680	CODE:
523	{	681	{
524	aio_req req;	682	dREQ;
525
526	Newz (0, req, 1, aio_cb);
527
528	if (!req)
529	croak ("out of memory during aio_req allocation");
530		683
531	New (0, req->statdata, 1, Stat_t);	684	New (0, req->statdata, 1, Stat_t);
532
533	if (!req->statdata)	685	if (!req->statdata)
		686	{
		687	free_req (req);
534	croak ("out of memory during aio_req->statdata allocation");	688	croak ("out of memory during aio_req->statdata allocation");
		689	}
535		690
536	if (SvPOK (fh_or_path))	691	if (SvPOK (fh_or_path))
537	{	692	{
538	req->type = ix;	693	req->type = ix;
539	req->data = newSVsv (fh_or_path);	694	req->data = newSVsv (fh_or_path);
540	req->dataptr = SvPV_nolen (req->data);	695	req->dataptr = SvPVbyte_nolen (req->data);
541	}	696	}
542	else	697	else
543	{	698	{
544	req->type = REQ_FSTAT;	699	req->type = REQ_FSTAT;
545	req->fh = newSVsv (fh_or_path);	700	req->fh = newSVsv (fh_or_path);
546	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	701	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
547	}	702	}
548		703
549	req->callback = SvREFCNT_inc (callback);
550
551	send_req (req);	704	send_req (req);
552	}	705	}
553		706
554	void	707	void
555	aio_unlink(pathname,callback=&PL_sv_undef)	708	aio_unlink(pathname,callback=&PL_sv_undef)
556	SV * pathname	709	SV * pathname
557	SV * callback	710	SV * callback
		711	ALIAS:
		712	aio_unlink = REQ_UNLINK
		713	aio_rmdir = REQ_RMDIR
558	CODE:	714	CODE:
559	{	715	{
560	aio_req req;	716	dREQ;
561		717
562	Newz (0, req, 1, aio_cb);	718	req->type = ix;
		719	req->data = newSVsv (pathname);
		720	req->dataptr = SvPVbyte_nolen (req->data);
563		721
564	if (!req)	722	send_req (req);
565	croak ("out of memory during aio_req allocation");	723	}
		724
		725	void
		726	aio_symlink(oldpath,newpath,callback=&PL_sv_undef)
		727	SV * oldpath
		728	SV * newpath
		729	SV * callback
		730	CODE:
		731	{
		732	dREQ;
566		733
567	req->type = REQ_UNLINK;	734	req->type = REQ_SYMLINK;
		735	req->fh = newSVsv (oldpath);
		736	req->data2ptr = SvPVbyte_nolen (req->fh);
568	req->data = newSVsv (pathname);	737	req->data = newSVsv (newpath);
569	req->dataptr = SvPV_nolen (req->data);	738	req->dataptr = SvPVbyte_nolen (req->data);
570	req->callback = SvREFCNT_inc (callback);
571		739
572	send_req (req);	740	send_req (req);
573	}	741	}
574		742
575	void	743	void

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Comparing IO-AIO/AIO.xs (file contents): Revision 1.14 by root, Sat Jul 23 18:15:36 2005 UTC vs. Revision 1.31 by root, Thu Aug 18 16:34:53 2005 UTC

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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.14 by root, Sat Jul 23 18:15:36 2005 UTC vs.
Revision 1.31 by root, Thu Aug 18 16:34:53 2005 UTC