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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.2 by root, Sun Jul 10 18:16:49 2005 UTC vs.
Revision 1.15 by root, Sat Jul 23 18:19:56 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
7	#include <sys/types.h>	5	#include <sys/types.h>
8	#include <sys/stat.h>	6	#include <sys/stat.h>
		7
9	#include <unistd.h>	8	#include <unistd.h>
10	#include <fcntl.h>	9	#include <fcntl.h>
11	#include <signal.h>	10	#include <signal.h>
12	#include <sched.h>	11	#include <sched.h>
13	#include <endian.h>	12	#if __linux
		13	#include <sys/syscall.h>
		14	#endif
14		15
15	#include <pthread.h>	16	#include <pthread.h>
16	#include <sys/syscall.h>
17		17
18	typedef void InputStream; / hack, but 5.6.1 is simply toooo old ;) */	18	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 ;) */	19	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 ;) */	20	typedef void InOutStream; / hack, but 5.6.1 is simply toooo old ;) */
21		21
22	#if __i386 \|\| __amd64
23	# define STACKSIZE ( 256 * sizeof (long))
24	#elif __ia64	22	#if __ia64
25	# define STACKSIZE (8192 * sizeof (long))	23	# define STACKSIZE 65536
26	#else	24	#else
27	# define STACKSIZE ( 512 * sizeof (long))	25	# define STACKSIZE 4096
28	#endif	26	#endif
29		27
30	enum {	28	enum {
31	REQ_QUIT,	29	REQ_QUIT,
32	REQ_OPEN, REQ_CLOSE,	30	REQ_OPEN, REQ_CLOSE,
34	REQ_STAT, REQ_LSTAT, REQ_FSTAT, REQ_UNLINK,	32	REQ_STAT, REQ_LSTAT, REQ_FSTAT, REQ_UNLINK,
35	REQ_FSYNC, REQ_FDATASYNC,	33	REQ_FSYNC, REQ_FDATASYNC,
36	};	34	};
37		35
38	typedef struct aio_cb {	36	typedef struct aio_cb {
39	struct aio_cb *next;	37	struct aio_cb *volatile next;
40		38
41	int type;	39	int type;
42		40
43	int fd;	41	int fd;
44	off_t offset;	42	off_t offset;
45	size_t length;	43	size_t length;
46	ssize_t result;	44	ssize_t result;
47	mode_t mode; /* open */	45	mode_t mode; /* open */
48	int errorno;	46	int errorno;
49	SV data, callback;	47	SV data, callback, *fh;
50	void *dataptr;	48	void *dataptr;
51	STRLEN dataoffset;	49	STRLEN dataoffset;
52		50
53	Stat_t *statdata;	51	Stat_t *statdata;
54	} aio_cb;	52	} aio_cb;
55		53
56	typedef aio_cb *aio_req;	54	typedef aio_cb *aio_req;
57		55
58	static int started;	56	static int started;
59	static int nreqs;	57	static volatile int nreqs;
		58	static int max_outstanding = 1<<30;
60	static int reqpipe[2], respipe[2];	59	static int respipe [2];
61		60
		61	static pthread_mutex_t reslock = PTHREAD_MUTEX_INITIALIZER;
		62	static pthread_mutex_t reqlock = PTHREAD_MUTEX_INITIALIZER;
		63	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;
		64
62	static aio_req qs, qe; /* queue start, queue end */	65	static volatile aio_req reqs, reqe; /* queue start, queue end */
63		66	static volatile aio_req ress, rese; /* queue start, queue end */
64	static void aio_proc(void arg);
65
66	static void
67	start_thread (void)
68	{
69	sigset_t fullsigset, oldsigset;
70	pthread_t tid;
71	pthread_attr_t attr;
72
73	pthread_attr_init (&attr);
74	pthread_attr_setstacksize (&attr, STACKSIZE);
75	pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
76
77	sigfillset (&fullsigset);
78	sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset);
79
80	if (pthread_create (&tid, &attr, aio_proc, 0) == 0)
81	started++;
82
83	sigprocmask (SIG_SETMASK, &oldsigset, 0);
84	}
85
86	static void
87	send_reqs (void)
88	{
89	/* this write is atomic */
90	while (qs && write (reqpipe[1], &qs, sizeof qs) == sizeof qs)
91	{
92	qs = qs->next;
93	if (!qs) qe = 0;
94	}
95	}
96
97	static void
98	send_req (aio_req req)
99	{
100	nreqs++;
101	req->next = 0;
102
103	if (qe)
104	{
105	qe->next = req;
106	qe = req;
107	}
108	else
109	qe = qs = req;
110
111	send_reqs ();
112	}
113
114	static void
115	end_thread (void)
116	{
117	aio_req req;
118	New (0, req, 1, aio_cb);
119	req->type = REQ_QUIT;
120
121	send_req (req);
122	}
123
124	static void
125	read_write (pTHX_
126	int dowrite, int fd, off_t offset, size_t length,
127	SV data, STRLEN dataoffset, SV callback)
128	{
129	aio_req req;
130	STRLEN svlen;
131	char *svptr = SvPV (data, svlen);
132
133	SvUPGRADE (data, SVt_PV);
134	SvPOK_on (data);
135
136	if (dataoffset < 0)
137	dataoffset += svlen;
138
139	if (dataoffset < 0 \|\| dataoffset > svlen)
140	croak ("data offset outside of string");
141
142	if (dowrite)
143	{
144	/* write: check length and adjust. */
145	if (length < 0 \|\| length + dataoffset > svlen)
146	length = svlen - dataoffset;
147	}
148	else
149	{
150	/* read: grow scalar as necessary */
151	svptr = SvGROW (data, length + dataoffset);
152	}
153
154	if (length < 0)
155	croak ("length must not be negative");
156
157	Newz (0, req, 1, aio_cb);
158
159	if (!req)
160	croak ("out of memory during aio_req allocation");
161
162	req->type = dowrite ? REQ_WRITE : REQ_READ;
163	req->fd = fd;
164	req->offset = offset;
165	req->length = length;
166	req->data = SvREFCNT_inc (data);
167	req->dataptr = (char *)svptr + dataoffset;
168	req->callback = SvREFCNT_inc (callback);
169
170	send_req (req);
171	}
172		67
173	static void	68	static void
174	poll_wait ()	69	poll_wait ()
175	{	70	{
		71	if (nreqs && !ress)
		72	{
176	fd_set rfd;	73	fd_set rfd;
177	FD_ZERO(&rfd);	74	FD_ZERO(&rfd);
178	FD_SET(respipe[0], &rfd);	75	FD_SET(respipe [0], &rfd);
179		76
180	select (respipe[0] + 1, &rfd, 0, 0, 0);	77	select (respipe [0] + 1, &rfd, 0, 0, 0);
		78	}
181	}	79	}
182		80
183	static int	81	static int
184	poll_cb (pTHX)	82	poll_cb ()
185	{	83	{
186	dSP;	84	dSP;
187	int count = 0;	85	int count = 0;
188	aio_req req;	86	aio_req req, prv;
189		87
190	while (read (respipe[0], (void *)&req, sizeof (req)) == sizeof (req))	88	pthread_mutex_lock (&reslock);
		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)
191	{	103	{
192	nreqs--;	104	nreqs--;
193		105
194	if (req->type == REQ_QUIT)	106	if (req->type == REQ_QUIT)
195	started--;	107	started--;
…		…
203	+ req->result > 0 ? req->result : 0);	115	+ req->result > 0 ? req->result : 0);
204		116
205	if (req->data)	117	if (req->data)
206	SvREFCNT_dec (req->data);	118	SvREFCNT_dec (req->data);
207		119
		120	if (req->fh)
		121	SvREFCNT_dec (req->fh);
		122
208	if (req->type == REQ_STAT \|\| req->type == REQ_LSTAT \|\| req->type == REQ_FSTAT)	123	if (req->type == REQ_STAT \|\| req->type == REQ_LSTAT \|\| req->type == REQ_FSTAT)
209	{	124	{
210	PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT;	125	PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT;
211	PL_laststatval = req->result;	126	PL_laststatval = req->result;
212	PL_statcache = *(req->statdata);	127	PL_statcache = *(req->statdata);
213		128
214	Safefree (req->statdata);	129	Safefree (req->statdata);
215	}	130	}
216		131
		132	ENTER;
217	PUSHMARK (SP);	133	PUSHMARK (SP);
218	XPUSHs (sv_2mortal (newSViv (req->result)));	134	XPUSHs (sv_2mortal (newSViv (req->result)));
219		135
220	if (req->type == REQ_OPEN)	136	if (req->type == REQ_OPEN)
221	{	137	{
…		…
224		140
225	PUTBACK;	141	PUTBACK;
226	call_pv ("IO::AIO::_fd2fh", G_SCALAR \| G_EVAL);	142	call_pv ("IO::AIO::_fd2fh", G_SCALAR \| G_EVAL);
227	SPAGAIN;	143	SPAGAIN;
228		144
229	fh = POPs;	145	fh = SvREFCNT_inc (POPs);
230		146
231	PUSHMARK (SP);	147	PUSHMARK (SP);
232	XPUSHs (fh);	148	XPUSHs (sv_2mortal (fh));
233	}	149	}
234		150
		151	if (SvOK (req->callback))
		152	{
235	PUTBACK;	153	PUTBACK;
236	call_sv (req->callback, G_VOID \| G_EVAL);	154	call_sv (req->callback, G_VOID \| G_EVAL);
237	SPAGAIN;	155	SPAGAIN;
		156	}
		157
		158	LEAVE;
238		159
239	if (req->callback)	160	if (req->callback)
240	SvREFCNT_dec (req->callback);	161	SvREFCNT_dec (req->callback);
241		162
242	errno = errorno;	163	errno = errorno;
243	count++;	164	count++;
244	}	165	}
245		166
		167	prv = req;
		168	req = req->next;
246	Safefree (req);	169	Safefree (prv);
		170
		171	/* TODO: croak on errors? */
247	}	172	}
248		173
249	if (qs)
250	send_reqs ();
251
252	return count;	174	return count;
		175	}
		176
		177	static void aio_proc(void arg);
		178
		179	static void
		180	start_thread (void)
		181	{
		182	sigset_t fullsigset, oldsigset;
		183	pthread_t tid;
		184	pthread_attr_t attr;
		185
		186	pthread_attr_init (&attr);
		187	pthread_attr_setstacksize (&attr, STACKSIZE);
		188	pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
		189
		190	sigfillset (&fullsigset);
		191	sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset);
		192
		193	if (pthread_create (&tid, &attr, aio_proc, 0) == 0)
		194	started++;
		195
		196	sigprocmask (SIG_SETMASK, &oldsigset, 0);
		197	}
		198
		199	static void
		200	send_req (aio_req req)
		201	{
		202	nreqs++;
		203
		204	pthread_mutex_lock (&reqlock);
		205
		206	req->next = 0;
		207
		208	if (reqe)
		209	{
		210	reqe->next = req;
		211	reqe = req;
		212	}
		213	else
		214	reqe = reqs = req;
		215
		216	pthread_cond_signal (&reqwait);
		217	pthread_mutex_unlock (&reqlock);
		218
		219	while (nreqs > max_outstanding)
		220	{
		221	poll_wait ();
		222	poll_cb ();
		223	}
		224	}
		225
		226	static void
		227	end_thread (void)
		228	{
		229	aio_req req;
		230	New (0, req, 1, aio_cb);
		231	req->type = REQ_QUIT;
		232
		233	send_req (req);
253	}	234	}
254		235
255	static void *	236	static void *
256	aio_proc (void *thr_arg)	237	aio_proc (void *thr_arg)
257	{	238	{
258	aio_req req;	239	aio_req req;
		240	int type;
259		241
260	/* then loop */	242	do
261	while (read (reqpipe[0], (void *)&req, sizeof (req)) == sizeof (req))
262	{	243	{
		244	pthread_mutex_lock (&reqlock);
		245
		246	for (;;)
		247	{
		248	req = reqs;
		249
		250	if (reqs)
		251	{
		252	reqs = reqs->next;
		253	if (!reqs) reqe = 0;
		254	}
		255
		256	if (req)
		257	break;
		258
		259	pthread_cond_wait (&reqwait, &reqlock);
		260	}
		261
		262	pthread_mutex_unlock (&reqlock);
		263
263	errno = 0; /* strictly unnecessary */	264	errno = 0; /* strictly unnecessary */
264		265
		266	type = req->type;
		267
265	switch (req->type)	268	switch (type)
266	{	269	{
267	case REQ_READ: req->result = pread64 (req->fd, req->dataptr, req->length, req->offset); break;	270	case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break;
268	case REQ_WRITE: req->result = pwrite64 (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;
269	#if SYS_readahead	272	#if SYS_readahead
270	case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break;	273	case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break;
271	#else	274	#else
272	case REQ_READAHEAD: req->result = -1; errno = ENOSYS; break;	275	case REQ_READAHEAD: req->result = -1; errno = ENOSYS; break;
273	#endif	276	#endif
…		…
282		285
283	case REQ_FSYNC: req->result = fsync (req->fd); break;	286	case REQ_FSYNC: req->result = fsync (req->fd); break;
284	case REQ_FDATASYNC: req->result = fdatasync (req->fd); break;	287	case REQ_FDATASYNC: req->result = fdatasync (req->fd); break;
285		288
286	case REQ_QUIT:	289	case REQ_QUIT:
287	write (respipe[1], (void *)&req, sizeof (req));	290	break;
288	return 0;
289		291
290	default:	292	default:
291	req->result = ENOSYS;	293	req->result = ENOSYS;
292	break;	294	break;
293	}	295	}
294		296
295	req->errorno = errno;	297	req->errorno = errno;
296	write (respipe[1], (void *)&req, sizeof (req));	298
		299	pthread_mutex_lock (&reslock);
		300
		301	req->next = 0;
		302
		303	if (rese)
		304	{
		305	rese->next = req;
		306	rese = req;
		307	}
		308	else
		309	{
		310	rese = ress = req;
		311
		312	/* write a dummy byte to the pipe so fh becomes ready */
		313	write (respipe [1], &respipe, 1);
		314	}
		315
		316	pthread_mutex_unlock (&reslock);
297	}	317	}
		318	while (type != REQ_QUIT);
298		319
299	return 0;	320	return 0;
300	}	321	}
301		322
302	MODULE = IO::AIO PACKAGE = IO::AIO	323	MODULE = IO::AIO PACKAGE = IO::AIO
303		324
		325	PROTOTYPES: ENABLE
		326
304	BOOT:	327	BOOT:
305	{	328	{
306	if (pipe (reqpipe) \|\| pipe (respipe))	329	if (pipe (respipe))
307	croak ("unable to initialize request or result pipe");	330	croak ("unable to initialize result pipe");
308		331
309	if (fcntl (reqpipe[1], F_SETFL, O_NONBLOCK))	332	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK))
310	croak ("cannot set result pipe to nonblocking mode");	333	croak ("cannot set result pipe to nonblocking mode");
311		334
312	if (fcntl (respipe[0], F_SETFL, O_NONBLOCK))	335	if (fcntl (respipe [1], F_SETFL, O_NONBLOCK))
313	croak ("cannot set result pipe to nonblocking mode");	336	croak ("cannot set result pipe to nonblocking mode");
314	}	337	}
315		338
316	void	339	void
317	min_parallel(nthreads)	340	min_parallel(nthreads)
…		…
335	}	358	}
336		359
337	while (started > nthreads)	360	while (started > nthreads)
338	{	361	{
339	poll_wait ();	362	poll_wait ();
340	poll_cb (aTHX);	363	poll_cb ();
341	}	364	}
342	}	365	}
343		366
		367	int
		368	max_outstanding(nreqs)
		369	int nreqs
		370	PROTOTYPE: $
		371	CODE:
		372	RETVAL = max_outstanding;
		373	max_outstanding = nreqs;
		374
344	void	375	void
345	aio_open(pathname,flags,mode,callback)	376	aio_open(pathname,flags,mode,callback=&PL_sv_undef)
346	SV * pathname	377	SV * pathname
347	int flags	378	int flags
348	int mode	379	int mode
349	SV * callback	380	SV * callback
350	PROTOTYPE: $$$$	381	PROTOTYPE: $$$;$
351	CODE:	382	CODE:
352	{	383	{
353	aio_req req;	384	aio_req req;
354		385
355	Newz (0, req, 1, aio_cb);	386	Newz (0, req, 1, aio_cb);
…		…
366		397
367	send_req (req);	398	send_req (req);
368	}	399	}
369		400
370	void	401	void
371	aio_close(fh,callback)	402	aio_close(fh,callback=&PL_sv_undef)
372	InputStream fh	403	SV * fh
373	SV * callback	404	SV * callback
374	PROTOTYPE: $$	405	PROTOTYPE: $;$
375	ALIAS:	406	ALIAS:
376	aio_close = REQ_CLOSE	407	aio_close = REQ_CLOSE
377	aio_fsync = REQ_FSYNC	408	aio_fsync = REQ_FSYNC
378	aio_fdatasync = REQ_FDATASYNC	409	aio_fdatasync = REQ_FDATASYNC
379	CODE:	410	CODE:
…		…
384		415
385	if (!req)	416	if (!req)
386	croak ("out of memory during aio_req allocation");	417	croak ("out of memory during aio_req allocation");
387		418
388	req->type = ix;	419	req->type = ix;
		420	req->fh = newSVsv (fh);
389	req->fd = PerlIO_fileno (fh);	421	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
390	req->callback = SvREFCNT_inc (callback);	422	req->callback = SvREFCNT_inc (callback);
391		423
392	send_req (req);	424	send_req (req);
393	}	425	}
394		426
395	void	427	void
396	aio_read(fh,offset,length,data,dataoffset,callback)	428	aio_read(fh,offset,length,data,dataoffset,callback=&PL_sv_undef)
397	InputStream fh	429	SV * fh
398	UV offset	430	UV offset
399	IV length	431	IV length
400	SV * data	432	SV * data
401	IV dataoffset	433	IV dataoffset
402	SV * callback	434	SV * callback
		435	ALIAS:
		436	aio_read = REQ_READ
		437	aio_write = REQ_WRITE
403	PROTOTYPE: $$$$$$	438	PROTOTYPE: $$$$$;$
404	CODE:	439	CODE:
405	read_write (aTHX_ 0, PerlIO_fileno (fh), offset, length, data, dataoffset, callback);
406
407	void
408	aio_write(fh,offset,length,data,dataoffset,callback)
409	OutputStream fh
410	UV offset
411	IV length
412	SV * data
413	IV dataoffset
414	SV * callback
415	PROTOTYPE: $$$$$$
416	CODE:
417	read_write (aTHX_ 1, PerlIO_fileno (fh), offset, length, data, dataoffset, callback);
418
419	void
420	aio_readahead(fh,offset,length,callback)
421	InputStream fh
422	UV offset
423	IV length
424	SV * callback
425	PROTOTYPE: $$$$
426	CODE:
427	{	440	{
428	aio_req req;	441	aio_req req;
		442	STRLEN svlen;
		443	char *svptr = SvPV (data, svlen);
		444
		445	SvUPGRADE (data, SVt_PV);
		446	SvPOK_on (data);
		447
		448	if (dataoffset < 0)
		449	dataoffset += svlen;
		450
		451	if (dataoffset < 0 \|\| dataoffset > svlen)
		452	croak ("data offset outside of string");
		453
		454	if (ix == REQ_WRITE)
		455	{
		456	/* write: check length and adjust. */
		457	if (length < 0 \|\| length + dataoffset > svlen)
		458	length = svlen - dataoffset;
		459	}
		460	else
		461	{
		462	/* read: grow scalar as necessary */
		463	svptr = SvGROW (data, length + dataoffset);
		464	}
429		465
430	if (length < 0)	466	if (length < 0)
431	croak ("length must not be negative");	467	croak ("length must not be negative");
432		468
433	Newz (0, req, 1, aio_cb);	469	Newz (0, req, 1, aio_cb);
434		470
435	if (!req)	471	if (!req)
436	croak ("out of memory during aio_req allocation");	472	croak ("out of memory during aio_req allocation");
437		473
		474	req->type = ix;
		475	req->fh = newSVsv (fh);
		476	req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh))
		477	: IoOFP (sv_2io (fh)));
		478	req->offset = offset;
		479	req->length = length;
		480	req->data = SvREFCNT_inc (data);
		481	req->dataptr = (char *)svptr + dataoffset;
		482	req->callback = SvREFCNT_inc (callback);
		483
		484	send_req (req);
		485	}
		486
		487	void
		488	aio_readahead(fh,offset,length,callback=&PL_sv_undef)
		489	SV * fh
		490	UV offset
		491	IV length
		492	SV * callback
		493	PROTOTYPE: $$$;$
		494	CODE:
		495	{
		496	aio_req req;
		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
438	req->type = REQ_READAHEAD;	506	req->type = REQ_READAHEAD;
		507	req->fh = newSVsv (fh);
439	req->fd = PerlIO_fileno (fh);	508	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
440	req->offset = offset;	509	req->offset = offset;
441	req->length = length;	510	req->length = length;
442	req->callback = SvREFCNT_inc (callback);	511	req->callback = SvREFCNT_inc (callback);
443		512
444	send_req (req);	513	send_req (req);
445	}	514	}
446		515
447	void	516	void
448	aio_stat(fh_or_path,callback)	517	aio_stat(fh_or_path,callback=&PL_sv_undef)
449	SV * fh_or_path	518	SV * fh_or_path
450	SV * callback	519	SV * callback
451	PROTOTYPE: $$
452	ALIAS:	520	ALIAS:
		521	aio_stat = REQ_STAT
453	aio_lstat = 1	522	aio_lstat = REQ_LSTAT
454	CODE:	523	CODE:
455	{	524	{
456	aio_req req;	525	aio_req req;
457		526
458	Newz (0, req, 1, aio_cb);	527	Newz (0, req, 1, aio_cb);
…		…
465	if (!req->statdata)	534	if (!req->statdata)
466	croak ("out of memory during aio_req->statdata allocation");	535	croak ("out of memory during aio_req->statdata allocation");
467		536
468	if (SvPOK (fh_or_path))	537	if (SvPOK (fh_or_path))
469	{	538	{
470	req->type = ix ? REQ_LSTAT : REQ_STAT;	539	req->type = ix;
471	req->data = newSVsv (fh_or_path);	540	req->data = newSVsv (fh_or_path);
472	req->dataptr = SvPV_nolen (req->data);	541	req->dataptr = SvPV_nolen (req->data);
473	}	542	}
474	else	543	else
475	{	544	{
476	req->type = REQ_FSTAT;	545	req->type = REQ_FSTAT;
		546	req->fh = newSVsv (fh_or_path);
477	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	547	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
478	}	548	}
479		549
480	req->callback = SvREFCNT_inc (callback);	550	req->callback = SvREFCNT_inc (callback);
481		551
482	send_req (req);	552	send_req (req);
483	}	553	}
484		554
485	void	555	void
486	aio_unlink(pathname,callback)	556	aio_unlink(pathname,callback=&PL_sv_undef)
487	SV * pathname	557	SV * pathname
488	SV * callback	558	SV * callback
489	PROTOTYPE: $$
490	CODE:	559	CODE:
491	{	560	{
492	aio_req req;	561	aio_req req;
493		562
494	Newz (0, req, 1, aio_cb);	563	Newz (0, req, 1, aio_cb);
…		…
502	req->callback = SvREFCNT_inc (callback);	571	req->callback = SvREFCNT_inc (callback);
503		572
504	send_req (req);	573	send_req (req);
505	}	574	}
506		575
		576	void
		577	flush()
		578	PROTOTYPE:
		579	CODE:
		580	while (nreqs)
		581	{
		582	poll_wait ();
		583	poll_cb ();
		584	}
		585
		586	void
		587	poll()
		588	PROTOTYPE:
		589	CODE:
		590	if (nreqs)
		591	{
		592	poll_wait ();
		593	poll_cb ();
		594	}
		595
507	int	596	int
508	poll_fileno()	597	poll_fileno()
509	PROTOTYPE:	598	PROTOTYPE:
510	CODE:	599	CODE:
511	RETVAL = respipe[0];	600	RETVAL = respipe [0];
512	OUTPUT:	601	OUTPUT:
513	RETVAL	602	RETVAL
514		603
515	int	604	int
516	poll_cb(...)	605	poll_cb(...)
517	PROTOTYPE:	606	PROTOTYPE:
518	CODE:	607	CODE:
519	RETVAL = poll_cb (aTHX);	608	RETVAL = poll_cb ();
520	OUTPUT:	609	OUTPUT:
521	RETVAL	610	RETVAL
522		611
523	void	612	void
524	poll_wait()	613	poll_wait()
525	PROTOTYPE:	614	PROTOTYPE:
526	CODE:	615	CODE:
		616	if (nreqs)
527	poll_wait ();	617	poll_wait ();
528		618
529	int	619	int
530	nreqs()	620	nreqs()
531	PROTOTYPE:	621	PROTOTYPE:
532	CODE:	622	CODE:

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Comparing IO-AIO/AIO.xs (file contents): Revision 1.2 by root, Sun Jul 10 18:16:49 2005 UTC vs. Revision 1.15 by root, Sat Jul 23 18:19:56 2005 UTC

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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.2 by root, Sun Jul 10 18:16:49 2005 UTC vs.
Revision 1.15 by root, Sat Jul 23 18:19:56 2005 UTC