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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.3 by root, Sun Jul 10 20:07:11 2005 UTC vs.
Revision 1.18 by root, Sun Jul 31 19:00:31 2005 UTC

…		…
1	#define PERL_NO_GET_CONTEXT
2
3	#include "EXTERN.h"	1	#include "EXTERN.h"
4	#include "perl.h"	2	#include "perl.h"
5	#include "XSUB.h"	3	#include "XSUB.h"
6		4
		5	#include "autoconf/config.h"
		6
7	#include <sys/types.h>	7	#include <sys/types.h>
8	#include <sys/stat.h>	8	#include <sys/stat.h>
		9
9	#include <unistd.h>	10	#include <unistd.h>
10	#include <fcntl.h>	11	#include <fcntl.h>
11	#include <signal.h>	12	#include <signal.h>
12	#include <sched.h>	13	#include <sched.h>
		14
		15	#ifndef _REENTRANT
		16	# define _REENTRANT 1
		17	#endif
13	#include <endian.h>	18	#include <errno.h>
14		19
15	#include <pthread.h>	20	#include <pthread.h>
16	#include <sys/syscall.h>
17		21
18	typedef void InputStream; / hack, but 5.6.1 is simply toooo old ;) */	22	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 ;) */	23	typedef void OutputStream; / hack, but 5.6.1 is simply toooo old ;) */
20	typedef void InOutStream; / hack, but 5.6.1 is simply toooo old ;) */	24	typedef void InOutStream; / hack, but 5.6.1 is simply toooo old ;) */
21		25
22	#if __i386 \|\| __amd64
23	# define STACKSIZE ( 256 * sizeof (long))
24	#elif __ia64	26	#if __ia64
25	# define STACKSIZE (8192 * sizeof (long))	27	# define STACKSIZE 65536
26	#else	28	#else
27	# define STACKSIZE ( 512 * sizeof (long))	29	# define STACKSIZE 4096
28	#endif	30	#endif
29		31
30	enum {	32	enum {
31	REQ_QUIT,	33	REQ_QUIT,
32	REQ_OPEN, REQ_CLOSE,	34	REQ_OPEN, REQ_CLOSE,
44	off_t offset;	46	off_t offset;
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;	51	SV data, callback, *fh;
50	void *dataptr;	52	void *dataptr;
51	STRLEN dataoffset;	53	STRLEN dataoffset;
52		54
53	Stat_t *statdata;	55	Stat_t *statdata;
54	} aio_cb;	56	} aio_cb;
55		57
56	typedef aio_cb *aio_req;	58	typedef aio_cb *aio_req;
57		59
58	static int started;	60	static int started;
59	static int nreqs;	61	static volatile int nreqs;
		62	static int max_outstanding = 1<<30;
60	static int respipe [2];	63	static int respipe [2];
61		64
62	static pthread_mutex_t reslock = PTHREAD_MUTEX_INITIALIZER;	65	static pthread_mutex_t reslock = PTHREAD_MUTEX_INITIALIZER;
63	static pthread_mutex_t reqlock = PTHREAD_MUTEX_INITIALIZER;	66	static pthread_mutex_t reqlock = PTHREAD_MUTEX_INITIALIZER;
64	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	67	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;
65		68
66	static volatile aio_req reqs, reqe; /* queue start, queue end */	69	static volatile aio_req reqs, reqe; /* queue start, queue end */
67	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
		73	poll_wait ()
		74	{
		75	if (nreqs && !ress)
		76	{
		77	fd_set rfd;
		78	FD_ZERO(&rfd);
		79	FD_SET(respipe [0], &rfd);
		80
		81	select (respipe [0] + 1, &rfd, 0, 0, 0);
		82	}
		83	}
		84
		85	static int
		86	poll_cb ()
		87	{
		88	dSP;
		89	int count = 0;
		90	aio_req req, prv;
		91
		92	pthread_mutex_lock (&reslock);
		93
		94	{
		95	/* read any signals sent by the worker threads */
		96	char buf [32];
		97	while (read (respipe [0], buf, 32) > 0)
		98	;
		99	}
		100
		101	req = ress;
		102	ress = rese = 0;
		103
		104	pthread_mutex_unlock (&reslock);
		105
		106	while (req)
		107	{
		108	nreqs--;
		109
		110	if (req->type == REQ_QUIT)
		111	started--;
		112	else
		113	{
		114	int errorno = errno;
		115	errno = req->errorno;
		116
		117	if (req->type == REQ_READ)
		118	SvCUR_set (req->data, req->dataoffset
		119	+ req->result > 0 ? req->result : 0);
		120
		121	if (req->data)
		122	SvREFCNT_dec (req->data);
		123
		124	if (req->fh)
		125	SvREFCNT_dec (req->fh);
		126
		127	if (req->type == REQ_STAT \|\| req->type == REQ_LSTAT \|\| req->type == REQ_FSTAT)
		128	{
		129	PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT;
		130	PL_laststatval = req->result;
		131	PL_statcache = *(req->statdata);
		132
		133	Safefree (req->statdata);
		134	}
		135
		136	ENTER;
		137	PUSHMARK (SP);
		138	XPUSHs (sv_2mortal (newSViv (req->result)));
		139
		140	if (req->type == REQ_OPEN)
		141	{
		142	/* convert fd to fh */
		143	SV *fh;
		144
		145	PUTBACK;
		146	call_pv ("IO::AIO::_fd2fh", G_SCALAR \| G_EVAL);
		147	SPAGAIN;
		148
		149	fh = SvREFCNT_inc (POPs);
		150
		151	PUSHMARK (SP);
		152	XPUSHs (sv_2mortal (fh));
		153	}
		154
		155	if (SvOK (req->callback))
		156	{
		157	PUTBACK;
		158	call_sv (req->callback, G_VOID \| G_EVAL);
		159	SPAGAIN;
		160	}
		161
		162	LEAVE;
		163
		164	if (req->callback)
		165	SvREFCNT_dec (req->callback);
		166
		167	errno = errorno;
		168	count++;
		169	}
		170
		171	prv = req;
		172	req = req->next;
		173	Safefree (prv);
		174
		175	/* TODO: croak on errors? */
		176	}
		177
		178	return count;
		179	}
68		180
69	static void aio_proc(void arg);	181	static void aio_proc(void arg);
70		182
71	static void	183	static void
72	start_thread (void)	184	start_thread (void)
…		…
105	else	217	else
106	reqe = reqs = req;	218	reqe = reqs = req;
107		219
108	pthread_cond_signal (&reqwait);	220	pthread_cond_signal (&reqwait);
109	pthread_mutex_unlock (&reqlock);	221	pthread_mutex_unlock (&reqlock);
		222
		223	while (nreqs > max_outstanding)
		224	{
		225	poll_wait ();
		226	poll_cb ();
		227	}
110	}	228	}
111		229
112	static void	230	static void
113	end_thread (void)	231	end_thread (void)
114	{	232	{
…		…
117	req->type = REQ_QUIT;	235	req->type = REQ_QUIT;
118		236
119	send_req (req);	237	send_req (req);
120	}	238	}
121		239
122	static void	240	/* work around various missing functions */
123	read_write (pTHX_
124	int dowrite, int fd, off_t offset, size_t length,
125	SV data, STRLEN dataoffset, SV callback)
126	{
127	aio_req req;
128	STRLEN svlen;
129	char *svptr = SvPV (data, svlen);
130		241
131	SvUPGRADE (data, SVt_PV);	242	#if !HAVE_PREADWRITE
132	SvPOK_on (data);	243	# define pread aio_pread
		244	# define pwrite aio_pwrite
133		245
134	if (dataoffset < 0)	246	/*
135	dataoffset += svlen;	247	* make our pread/pwrite safe against themselves, but not against
		248	* normal read/write by using a mutex. slows down execution a lot,
		249	* but that's your problem, not mine.
		250	*/
		251	static pthread_mutex_t iolock = PTHREAD_MUTEX_INITIALIZER;
136		252
137	if (dataoffset < 0 \|\| dataoffset > svlen)	253	static ssize_t
138	croak ("data offset outside of string");	254	pread (int fd, void *buf, size_t count, off_t offset)
		255	{
		256	ssize_t res;
		257	off_t ooffset;
139		258
140	if (dowrite)	259	pthread_mutex_lock (&iolock);
		260	ooffset = lseek (fd, 0, SEEK_CUR);
		261	lseek (fd, offset, SEEK_SET);
		262	res = read (fd, buf, count);
		263	lseek (fd, ooffset, SEEK_SET);
		264	pthread_mutex_unlock (&iolock);
		265
		266	return res;
		267	}
		268
		269	static ssize_t
		270	pwrite (int fd, void *buf, size_t count, off_t offset)
		271	{
		272	ssize_t res;
		273	off_t ooffset;
		274
		275	pthread_mutex_lock (&iolock);
		276	ooffset = lseek (fd, 0, SEEK_CUR);
		277	lseek (fd, offset, SEEK_SET);
		278	res = write (fd, buf, count);
		279	lseek (fd, offset, SEEK_SET);
		280	pthread_mutex_unlock (&iolock);
		281
		282	return res;
		283	}
		284	#endif
		285
		286	#if !HAVE_FDATASYNC
		287	# define fdatasync fsync
		288	#endif
		289
		290	#if !HAVE_READAHEAD
		291	# define readahead aio_readahead
		292
		293	static char readahead_buf[4096];
		294
		295	static ssize_t
		296	readahead (int fd, off_t offset, size_t count)
		297	{
		298	while (count > 0)
141	{	299	{
142	/* write: check length and adjust. */	300	size_t len = count < sizeof (readahead_buf) ? count : sizeof (readahead_buf);
143	if (length < 0 \|\| length + dataoffset > svlen)	301
144	length = svlen - dataoffset;	302	pread (fd, readahead_buf, len, offset);
		303	offset += len;
		304	count -= len;
145	}	305	}
146	else
147	{
148	/* read: grow scalar as necessary */
149	svptr = SvGROW (data, length + dataoffset);
150	}
151		306
152	if (length < 0)	307	errno = 0;
153	croak ("length must not be negative");
154
155	Newz (0, req, 1, aio_cb);
156
157	if (!req)
158	croak ("out of memory during aio_req allocation");
159
160	req->type = dowrite ? REQ_WRITE : REQ_READ;
161	req->fd = fd;
162	req->offset = offset;
163	req->length = length;
164	req->data = SvREFCNT_inc (data);
165	req->dataptr = (char *)svptr + dataoffset;
166	req->callback = SvREFCNT_inc (callback);
167
168	send_req (req);
169	}	308	}
170		309	#endif
171	static void
172	poll_wait ()
173	{
174	if (!nreqs)
175	return;
176
177	fd_set rfd;
178	FD_ZERO(&rfd);
179	FD_SET(respipe [0], &rfd);
180
181	select (respipe [0] + 1, &rfd, 0, 0, 0);
182	}
183
184	static int
185	poll_cb (pTHX)
186	{
187	dSP;
188	int count = 0;
189	aio_req req;
190
191	{
192	/* read and signals sent by the worker threads */
193	char buf [32];
194	while (read (respipe [0], buf, 32) > 0)
195	;
196	}
197
198	for (;;)
199	{
200	pthread_mutex_lock (&reslock);
201
202	req = ress;
203
204	if (ress)
205	{
206	ress = ress->next;
207	if (!ress) rese = 0;
208	}
209
210	pthread_mutex_unlock (&reslock);
211
212	if (!req)
213	break;
214
215	nreqs--;
216
217	if (req->type == REQ_QUIT)
218	started--;
219	else
220	{
221	int errorno = errno;
222	errno = req->errorno;
223
224	if (req->type == REQ_READ)
225	SvCUR_set (req->data, req->dataoffset
226	+ req->result > 0 ? req->result : 0);
227
228	if (req->data)
229	SvREFCNT_dec (req->data);
230
231	if (req->type == REQ_STAT \|\| req->type == REQ_LSTAT \|\| req->type == REQ_FSTAT)
232	{
233	PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT;
234	PL_laststatval = req->result;
235	PL_statcache = *(req->statdata);
236
237	Safefree (req->statdata);
238	}
239
240	PUSHMARK (SP);
241	XPUSHs (sv_2mortal (newSViv (req->result)));
242
243	if (req->type == REQ_OPEN)
244	{
245	/* convert fd to fh */
246	SV *fh;
247
248	PUTBACK;
249	call_pv ("IO::AIO::_fd2fh", G_SCALAR \| G_EVAL);
250	SPAGAIN;
251
252	fh = POPs;
253
254	PUSHMARK (SP);
255	XPUSHs (fh);
256	}
257
258	PUTBACK;
259	call_sv (req->callback, G_VOID \| G_EVAL);
260	SPAGAIN;
261
262	if (req->callback)
263	SvREFCNT_dec (req->callback);
264
265	errno = errorno;
266	count++;
267	}
268
269	Safefree (req);
270	}
271
272	return count;
273	}
274		310
275	static void *	311	static void *
276	aio_proc (void *thr_arg)	312	aio_proc (void *thr_arg)
277	{	313	{
278	aio_req req;	314	aio_req req;
…		…
304		340
305	type = req->type;	341	type = req->type;
306		342
307	switch (type)	343	switch (type)
308	{	344	{
309	case REQ_READ: req->result = pread64 (req->fd, req->dataptr, req->length, req->offset); break;	345	case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break;
310	case REQ_WRITE: req->result = pwrite64 (req->fd, req->dataptr, req->length, req->offset); break;	346	case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break;
311	#if SYS_readahead	347
312	case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break;	348	case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break;
313	#else
314	case REQ_READAHEAD: req->result = -1; errno = ENOSYS; break;
315	#endif
316		349
317	case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break;	350	case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break;
318	case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break;	351	case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break;
319	case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break;	352	case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break;
320		353
321	case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break;	354	case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break;
322	case REQ_CLOSE: req->result = close (req->fd); break;	355	case REQ_CLOSE: req->result = close (req->fd); break;
323	case REQ_UNLINK: req->result = unlink (req->dataptr); break;	356	case REQ_UNLINK: req->result = unlink (req->dataptr); break;
324		357
		358	case REQ_FDATASYNC: req->result = fdatasync (req->fd); break;
325	case REQ_FSYNC: req->result = fsync (req->fd); break;	359	case REQ_FSYNC: req->result = fsync (req->fd); break;
326	case REQ_FDATASYNC: req->result = fdatasync (req->fd); break;
327		360
328	case REQ_QUIT:	361	case REQ_QUIT:
329	break;	362	break;
330		363
331	default:	364	default:
…		…
359	return 0;	392	return 0;
360	}	393	}
361		394
362	MODULE = IO::AIO PACKAGE = IO::AIO	395	MODULE = IO::AIO PACKAGE = IO::AIO
363		396
		397	PROTOTYPES: ENABLE
		398
364	BOOT:	399	BOOT:
365	{	400	{
366	if (pipe (respipe))	401	if (pipe (respipe))
367	croak ("unable to initialize result pipe");	402	croak ("unable to initialize result pipe");
368		403
…		…
395	}	430	}
396		431
397	while (started > nthreads)	432	while (started > nthreads)
398	{	433	{
399	poll_wait ();	434	poll_wait ();
400	poll_cb (aTHX);	435	poll_cb ();
401	}	436	}
402	}	437	}
403		438
		439	int
		440	max_outstanding(nreqs)
		441	int nreqs
		442	PROTOTYPE: $
		443	CODE:
		444	RETVAL = max_outstanding;
		445	max_outstanding = nreqs;
		446
404	void	447	void
405	aio_open(pathname,flags,mode,callback)	448	aio_open(pathname,flags,mode,callback=&PL_sv_undef)
406	SV * pathname	449	SV * pathname
407	int flags	450	int flags
408	int mode	451	int mode
409	SV * callback	452	SV * callback
410	PROTOTYPE: $$$$	453	PROTOTYPE: $$$;$
411	CODE:	454	CODE:
412	{	455	{
413	aio_req req;	456	aio_req req;
414		457
415	Newz (0, req, 1, aio_cb);	458	Newz (0, req, 1, aio_cb);
…		…
426		469
427	send_req (req);	470	send_req (req);
428	}	471	}
429		472
430	void	473	void
431	aio_close(fh,callback)	474	aio_close(fh,callback=&PL_sv_undef)
432	InputStream fh	475	SV * fh
433	SV * callback	476	SV * callback
434	PROTOTYPE: $$	477	PROTOTYPE: $;$
435	ALIAS:	478	ALIAS:
436	aio_close = REQ_CLOSE	479	aio_close = REQ_CLOSE
437	aio_fsync = REQ_FSYNC	480	aio_fsync = REQ_FSYNC
438	aio_fdatasync = REQ_FDATASYNC	481	aio_fdatasync = REQ_FDATASYNC
439	CODE:	482	CODE:
…		…
444		487
445	if (!req)	488	if (!req)
446	croak ("out of memory during aio_req allocation");	489	croak ("out of memory during aio_req allocation");
447		490
448	req->type = ix;	491	req->type = ix;
		492	req->fh = newSVsv (fh);
449	req->fd = PerlIO_fileno (fh);	493	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
450	req->callback = SvREFCNT_inc (callback);	494	req->callback = SvREFCNT_inc (callback);
451		495
452	send_req (req);	496	send_req (req);
453	}	497	}
454		498
455	void	499	void
456	aio_read(fh,offset,length,data,dataoffset,callback)	500	aio_read(fh,offset,length,data,dataoffset,callback=&PL_sv_undef)
457	InputStream fh	501	SV * fh
458	UV offset	502	UV offset
459	IV length	503	IV length
460	SV * data	504	SV * data
461	IV dataoffset	505	IV dataoffset
462	SV * callback	506	SV * callback
		507	ALIAS:
		508	aio_read = REQ_READ
		509	aio_write = REQ_WRITE
463	PROTOTYPE: $$$$$$	510	PROTOTYPE: $$$$$;$
464	CODE:	511	CODE:
465	read_write (aTHX_ 0, PerlIO_fileno (fh), offset, length, data, dataoffset, callback);
466
467	void
468	aio_write(fh,offset,length,data,dataoffset,callback)
469	OutputStream fh
470	UV offset
471	IV length
472	SV * data
473	IV dataoffset
474	SV * callback
475	PROTOTYPE: $$$$$$
476	CODE:
477	read_write (aTHX_ 1, PerlIO_fileno (fh), offset, length, data, dataoffset, callback);
478
479	void
480	aio_readahead(fh,offset,length,callback)
481	InputStream fh
482	UV offset
483	IV length
484	SV * callback
485	PROTOTYPE: $$$$
486	CODE:
487	{	512	{
488	aio_req req;	513	aio_req req;
		514	STRLEN svlen;
		515	char *svptr = SvPV (data, svlen);
		516
		517	SvUPGRADE (data, SVt_PV);
		518	SvPOK_on (data);
		519
		520	if (dataoffset < 0)
		521	dataoffset += svlen;
		522
		523	if (dataoffset < 0 \|\| dataoffset > svlen)
		524	croak ("data offset outside of string");
		525
		526	if (ix == REQ_WRITE)
		527	{
		528	/* write: check length and adjust. */
		529	if (length < 0 \|\| length + dataoffset > svlen)
		530	length = svlen - dataoffset;
		531	}
		532	else
		533	{
		534	/* read: grow scalar as necessary */
		535	svptr = SvGROW (data, length + dataoffset);
		536	}
489		537
490	if (length < 0)	538	if (length < 0)
491	croak ("length must not be negative");	539	croak ("length must not be negative");
492		540
493	Newz (0, req, 1, aio_cb);	541	Newz (0, req, 1, aio_cb);
494		542
495	if (!req)	543	if (!req)
496	croak ("out of memory during aio_req allocation");	544	croak ("out of memory during aio_req allocation");
497		545
		546	req->type = ix;
		547	req->fh = newSVsv (fh);
		548	req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh))
		549	: IoOFP (sv_2io (fh)));
		550	req->offset = offset;
		551	req->length = length;
		552	req->data = SvREFCNT_inc (data);
		553	req->dataptr = (char *)svptr + dataoffset;
		554	req->callback = SvREFCNT_inc (callback);
		555
		556	send_req (req);
		557	}
		558
		559	void
		560	aio_readahead(fh,offset,length,callback=&PL_sv_undef)
		561	SV * fh
		562	UV offset
		563	IV length
		564	SV * callback
		565	PROTOTYPE: $$$;$
		566	CODE:
		567	{
		568	aio_req req;
		569
		570	if (length < 0)
		571	croak ("length must not be negative");
		572
		573	Newz (0, req, 1, aio_cb);
		574
		575	if (!req)
		576	croak ("out of memory during aio_req allocation");
		577
498	req->type = REQ_READAHEAD;	578	req->type = REQ_READAHEAD;
		579	req->fh = newSVsv (fh);
499	req->fd = PerlIO_fileno (fh);	580	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
500	req->offset = offset;	581	req->offset = offset;
501	req->length = length;	582	req->length = length;
502	req->callback = SvREFCNT_inc (callback);	583	req->callback = SvREFCNT_inc (callback);
503		584
504	send_req (req);	585	send_req (req);
505	}	586	}
506		587
507	void	588	void
508	aio_stat(fh_or_path,callback)	589	aio_stat(fh_or_path,callback=&PL_sv_undef)
509	SV * fh_or_path	590	SV * fh_or_path
510	SV * callback	591	SV * callback
511	PROTOTYPE: $$
512	ALIAS:	592	ALIAS:
		593	aio_stat = REQ_STAT
513	aio_lstat = 1	594	aio_lstat = REQ_LSTAT
514	CODE:	595	CODE:
515	{	596	{
516	aio_req req;	597	aio_req req;
517		598
518	Newz (0, req, 1, aio_cb);	599	Newz (0, req, 1, aio_cb);
…		…
525	if (!req->statdata)	606	if (!req->statdata)
526	croak ("out of memory during aio_req->statdata allocation");	607	croak ("out of memory during aio_req->statdata allocation");
527		608
528	if (SvPOK (fh_or_path))	609	if (SvPOK (fh_or_path))
529	{	610	{
530	req->type = ix ? REQ_LSTAT : REQ_STAT;	611	req->type = ix;
531	req->data = newSVsv (fh_or_path);	612	req->data = newSVsv (fh_or_path);
532	req->dataptr = SvPV_nolen (req->data);	613	req->dataptr = SvPV_nolen (req->data);
533	}	614	}
534	else	615	else
535	{	616	{
536	req->type = REQ_FSTAT;	617	req->type = REQ_FSTAT;
		618	req->fh = newSVsv (fh_or_path);
537	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	619	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
538	}	620	}
539		621
540	req->callback = SvREFCNT_inc (callback);	622	req->callback = SvREFCNT_inc (callback);
541		623
542	send_req (req);	624	send_req (req);
543	}	625	}
544		626
545	void	627	void
546	aio_unlink(pathname,callback)	628	aio_unlink(pathname,callback=&PL_sv_undef)
547	SV * pathname	629	SV * pathname
548	SV * callback	630	SV * callback
549	PROTOTYPE: $$
550	CODE:	631	CODE:
551	{	632	{
552	aio_req req;	633	aio_req req;
553		634
554	Newz (0, req, 1, aio_cb);	635	Newz (0, req, 1, aio_cb);
…		…
562	req->callback = SvREFCNT_inc (callback);	643	req->callback = SvREFCNT_inc (callback);
563		644
564	send_req (req);	645	send_req (req);
565	}	646	}
566		647
		648	void
		649	flush()
		650	PROTOTYPE:
		651	CODE:
		652	while (nreqs)
		653	{
		654	poll_wait ();
		655	poll_cb ();
		656	}
		657
		658	void
		659	poll()
		660	PROTOTYPE:
		661	CODE:
		662	if (nreqs)
		663	{
		664	poll_wait ();
		665	poll_cb ();
		666	}
		667
567	int	668	int
568	poll_fileno()	669	poll_fileno()
569	PROTOTYPE:	670	PROTOTYPE:
570	CODE:	671	CODE:
571	RETVAL = respipe [0];	672	RETVAL = respipe [0];
…		…
574		675
575	int	676	int
576	poll_cb(...)	677	poll_cb(...)
577	PROTOTYPE:	678	PROTOTYPE:
578	CODE:	679	CODE:
579	RETVAL = poll_cb (aTHX);	680	RETVAL = poll_cb ();
580	OUTPUT:	681	OUTPUT:
581	RETVAL	682	RETVAL
582		683
583	void	684	void
584	poll_wait()	685	poll_wait()

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Comparing IO-AIO/AIO.xs (file contents): Revision 1.3 by root, Sun Jul 10 20:07:11 2005 UTC vs. Revision 1.18 by root, Sun Jul 31 19:00:31 2005 UTC

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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.3 by root, Sun Jul 10 20:07:11 2005 UTC vs.
Revision 1.18 by root, Sun Jul 31 19:00:31 2005 UTC