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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.1 by root, Sun Jul 10 17:07:44 2005 UTC vs.
Revision 1.13 by root, Fri Jul 22 08:25:22 2005 UTC

…		…
1	#define PERL_NO_GET_CONTEXT	1	#define _XOPEN_SOURCE 500
2		2
3	#include "EXTERN.h"	3	#include "EXTERN.h"
4	#include "perl.h"	4	#include "perl.h"
5	#include "XSUB.h"	5	#include "XSUB.h"
6		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>
13	#include <endian.h>	14	#if __linux
		15	#include <sys/syscall.h>
		16	#endif
14		17
15	#include <pthread.h>	18	#include <pthread.h>
16	#include <sys/syscall.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 ;) */
20	typedef void InOutStream; / hack, but 5.6.1 is simply toooo old ;) */	22	typedef void InOutStream; / hack, but 5.6.1 is simply toooo old ;) */
21		23
22	#if __i386 \|\| __amd64
23	# define STACKSIZE ( 256 * sizeof (long))
24	#elif __ia64	24	#if __ia64
25	# define STACKSIZE (8192 * sizeof (long))	25	# define STACKSIZE 65536
26	#else	26	#else
27	# define STACKSIZE ( 512 * sizeof (long))	27	# define STACKSIZE 4096
28	#endif	28	#endif
29		29
30	enum {	30	enum {
31	REQ_QUIT,	31	REQ_QUIT,
32	REQ_OPEN, REQ_CLOSE,	32	REQ_OPEN, REQ_CLOSE,
34	REQ_STAT, REQ_LSTAT, REQ_FSTAT, REQ_UNLINK,	34	REQ_STAT, REQ_LSTAT, REQ_FSTAT, REQ_UNLINK,
35	REQ_FSYNC, REQ_FDATASYNC,	35	REQ_FSYNC, REQ_FDATASYNC,
36	};	36	};
37		37
38	typedef struct aio_cb {	38	typedef struct aio_cb {
39	struct aio_cb *next;	39	struct aio_cb *volatile next;
40		40
41	int type;	41	int type;
42		42
43	int fd;	43	int fd;
44	off_t offset;	44	off_t offset;
45	size_t length;	45	size_t length;
46	ssize_t result;	46	ssize_t result;
47	mode_t mode; /* open */	47	mode_t mode; /* open */
48	int errorno;	48	int errorno;
49	SV data, callback;	49	SV data, callback, *fh;
50	void *dataptr;	50	void *dataptr;
51	STRLEN dataoffset;	51	STRLEN dataoffset;
52		52
53	Stat_t *statdata;	53	Stat_t *statdata;
54	} aio_cb;	54	} aio_cb;
55		55
56	typedef aio_cb *aio_req;	56	typedef aio_cb *aio_req;
57		57
58	static int started;	58	static int started;
59	static int nreqs;	59	static volatile int nreqs;
		60	static int max_outstanding = 1<<30;
60	static int reqpipe[2], respipe[2];	61	static int respipe [2];
61		62
		63	static pthread_mutex_t reslock = PTHREAD_MUTEX_INITIALIZER;
		64	static pthread_mutex_t reqlock = PTHREAD_MUTEX_INITIALIZER;
		65	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;
		66
62	static aio_req qs, qe; /* queue start, queue end */	67	static volatile aio_req reqs, reqe; /* queue start, queue end */
63		68	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		69
173	static void	70	static void
174	poll_wait ()	71	poll_wait ()
175	{	72	{
		73	if (nreqs && !ress)
		74	{
176	fd_set rfd;	75	fd_set rfd;
177	FD_ZERO(&rfd);	76	FD_ZERO(&rfd);
178	FD_SET(respipe[0], &rfd);	77	FD_SET(respipe [0], &rfd);
179		78
180	select (respipe[0] + 1, &rfd, 0, 0, 0);	79	select (respipe [0] + 1, &rfd, 0, 0, 0);
		80	}
181	}	81	}
182		82
183	static int	83	static int
184	poll_cb (pTHX)	84	poll_cb ()
185	{	85	{
186	dSP;	86	dSP;
187	int count = 0;	87	int count = 0;
188	aio_req req;	88	aio_req req, prv;
189		89
190	while (read (respipe[0], (void *)&req, sizeof (req)) == sizeof (req))	90	pthread_mutex_lock (&reslock);
		91
		92	{
		93	/* read any signals sent by the worker threads */
		94	char buf [32];
		95	while (read (respipe [0], buf, 32) > 0)
		96	;
		97	}
		98
		99	req = ress;
		100	ress = rese = 0;
		101
		102	pthread_mutex_unlock (&reslock);
		103
		104	while (req)
191	{	105	{
192	nreqs--;	106	nreqs--;
193		107
194	if (req->type == REQ_QUIT)	108	if (req->type == REQ_QUIT)
195	started--;	109	started--;
…		…
203	+ req->result > 0 ? req->result : 0);	117	+ req->result > 0 ? req->result : 0);
204		118
205	if (req->data)	119	if (req->data)
206	SvREFCNT_dec (req->data);	120	SvREFCNT_dec (req->data);
207		121
		122	if (req->fh)
		123	SvREFCNT_dec (req->fh);
		124
208	if (req->type == REQ_STAT \|\| req->type == REQ_LSTAT \|\| req->type == REQ_FSTAT)	125	if (req->type == REQ_STAT \|\| req->type == REQ_LSTAT \|\| req->type == REQ_FSTAT)
209	{	126	{
210	PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT;	127	PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT;
211	PL_laststatval = req->result;	128	PL_laststatval = req->result;
212	PL_statcache = *(req->statdata);	129	PL_statcache = *(req->statdata);
213		130
214	Safefree (req->statdata);	131	Safefree (req->statdata);
215	}	132	}
216		133
		134	ENTER;
217	PUSHMARK (SP);	135	PUSHMARK (SP);
218	XPUSHs (sv_2mortal (newSViv (req->result)));	136	XPUSHs (sv_2mortal (newSViv (req->result)));
		137
		138	if (req->type == REQ_OPEN)
		139	{
		140	/* convert fd to fh */
		141	SV *fh;
		142
219	PUTBACK;	143	PUTBACK;
220	call_sv (req->callback, G_VOID);	144	call_pv ("IO::AIO::_fd2fh", G_SCALAR \| G_EVAL);
221	SPAGAIN;	145	SPAGAIN;
		146
		147	fh = SvREFCNT_inc (POPs);
		148
		149	PUSHMARK (SP);
		150	XPUSHs (sv_2mortal (fh));
		151	}
		152
		153	if (SvOK (req->callback))
		154	{
		155	PUTBACK;
		156	call_sv (req->callback, G_VOID \| G_EVAL);
		157	SPAGAIN;
		158	}
		159
		160	LEAVE;
222		161
223	if (req->callback)	162	if (req->callback)
224	SvREFCNT_dec (req->callback);	163	SvREFCNT_dec (req->callback);
225		164
226	errno = errorno;	165	errno = errorno;
227	count++;	166	count++;
228	}	167	}
229		168
		169	prv = req;
		170	req = req->next;
230	Safefree (req);	171	Safefree (prv);
		172
		173	/* TODO: croak on errors? */
231	}	174	}
232		175
233	if (qs)
234	send_reqs ();
235
236	return count;	176	return count;
		177	}
		178
		179	static void aio_proc(void arg);
		180
		181	static void
		182	start_thread (void)
		183	{
		184	sigset_t fullsigset, oldsigset;
		185	pthread_t tid;
		186	pthread_attr_t attr;
		187
		188	pthread_attr_init (&attr);
		189	pthread_attr_setstacksize (&attr, STACKSIZE);
		190	pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
		191
		192	sigfillset (&fullsigset);
		193	sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset);
		194
		195	if (pthread_create (&tid, &attr, aio_proc, 0) == 0)
		196	started++;
		197
		198	sigprocmask (SIG_SETMASK, &oldsigset, 0);
		199	}
		200
		201	static void
		202	send_req (aio_req req)
		203	{
		204	nreqs++;
		205
		206	pthread_mutex_lock (&reqlock);
		207
		208	req->next = 0;
		209
		210	if (reqe)
		211	{
		212	reqe->next = req;
		213	reqe = req;
		214	}
		215	else
		216	reqe = reqs = req;
		217
		218	pthread_cond_signal (&reqwait);
		219	pthread_mutex_unlock (&reqlock);
		220
		221	while (nreqs > max_outstanding)
		222	{
		223	poll_wait ();
		224	poll_cb ();
		225	}
		226	}
		227
		228	static void
		229	end_thread (void)
		230	{
		231	aio_req req;
		232	New (0, req, 1, aio_cb);
		233	req->type = REQ_QUIT;
		234
		235	send_req (req);
237	}	236	}
238		237
239	static void *	238	static void *
240	aio_proc (void *thr_arg)	239	aio_proc (void *thr_arg)
241	{	240	{
242	aio_req req;	241	aio_req req;
		242	int type;
243		243
244	/* then loop */	244	do
245	while (read (reqpipe[0], (void *)&req, sizeof (req)) == sizeof (req))
246	{	245	{
		246	pthread_mutex_lock (&reqlock);
		247
		248	for (;;)
		249	{
		250	req = reqs;
		251
		252	if (reqs)
		253	{
		254	reqs = reqs->next;
		255	if (!reqs) reqe = 0;
		256	}
		257
		258	if (req)
		259	break;
		260
		261	pthread_cond_wait (&reqwait, &reqlock);
		262	}
		263
		264	pthread_mutex_unlock (&reqlock);
		265
247	errno = 0; /* strictly unnecessary */	266	errno = 0; /* strictly unnecessary */
248		267
		268	type = req->type;
		269
249	switch (req->type)	270	switch (type)
250	{	271	{
251	case REQ_READ: req->result = pread64 (req->fd, req->dataptr, req->length, req->offset); break;	272	case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break;
252	case REQ_WRITE: req->result = pwrite64 (req->fd, req->dataptr, req->length, req->offset); break;	273	case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break;
253	#if SYS_readahead	274	#if SYS_readahead
254	case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break;	275	case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break;
255	#else	276	#else
256	case REQ_READAHEAD: req->result = -1; errno = ENOSYS; break;	277	case REQ_READAHEAD: req->result = -1; errno = ENOSYS; break;
257	#endif	278	#endif
…		…
266		287
267	case REQ_FSYNC: req->result = fsync (req->fd); break;	288	case REQ_FSYNC: req->result = fsync (req->fd); break;
268	case REQ_FDATASYNC: req->result = fdatasync (req->fd); break;	289	case REQ_FDATASYNC: req->result = fdatasync (req->fd); break;
269		290
270	case REQ_QUIT:	291	case REQ_QUIT:
271	write (respipe[1], (void *)&req, sizeof (req));	292	break;
272	return 0;
273		293
274	default:	294	default:
275	req->result = ENOSYS;	295	req->result = ENOSYS;
276	break;	296	break;
277	}	297	}
278		298
279	req->errorno = errno;	299	req->errorno = errno;
280	write (respipe[1], (void *)&req, sizeof (req));	300
		301	pthread_mutex_lock (&reslock);
		302
		303	req->next = 0;
		304
		305	if (rese)
		306	{
		307	rese->next = req;
		308	rese = req;
		309	}
		310	else
		311	{
		312	rese = ress = req;
		313
		314	/* write a dummy byte to the pipe so fh becomes ready */
		315	write (respipe [1], &respipe, 1);
		316	}
		317
		318	pthread_mutex_unlock (&reslock);
281	}	319	}
		320	while (type != REQ_QUIT);
282		321
283	return 0;	322	return 0;
284	}	323	}
285		324
286	MODULE = IO::AIO PACKAGE = IO::AIO	325	MODULE = IO::AIO PACKAGE = IO::AIO
287		326
		327	PROTOTYPES: ENABLE
		328
288	BOOT:	329	BOOT:
289	{	330	{
290	if (pipe (reqpipe) \|\| pipe (respipe))	331	if (pipe (respipe))
291	croak ("unable to initialize request or result pipe");	332	croak ("unable to initialize result pipe");
292		333
293	if (fcntl (reqpipe[1], F_SETFL, O_NONBLOCK))	334	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK))
294	croak ("cannot set result pipe to nonblocking mode");	335	croak ("cannot set result pipe to nonblocking mode");
295		336
296	if (fcntl (respipe[0], F_SETFL, O_NONBLOCK))	337	if (fcntl (respipe [1], F_SETFL, O_NONBLOCK))
297	croak ("cannot set result pipe to nonblocking mode");	338	croak ("cannot set result pipe to nonblocking mode");
298	}	339	}
299		340
300	void	341	void
301	min_parallel(nthreads)	342	min_parallel(nthreads)
…		…
319	}	360	}
320		361
321	while (started > nthreads)	362	while (started > nthreads)
322	{	363	{
323	poll_wait ();	364	poll_wait ();
324	poll_cb (aTHX);	365	poll_cb ();
325	}	366	}
326	}	367	}
327		368
		369	int
		370	max_outstanding(nreqs)
		371	int nreqs
		372	PROTOTYPE: $
		373	CODE:
		374	RETVAL = max_outstanding;
		375	max_outstanding = nreqs;
		376
328	void	377	void
329	aio_open(pathname,flags,mode,callback)	378	aio_open(pathname,flags,mode,callback=&PL_sv_undef)
330	SV * pathname	379	SV * pathname
331	int flags	380	int flags
332	int mode	381	int mode
333	SV * callback	382	SV * callback
334	PROTOTYPE: $$$$	383	PROTOTYPE: $$$;$
335	CODE:	384	CODE:
336	{	385	{
337	aio_req req;	386	aio_req req;
338		387
339	Newz (0, req, 1, aio_cb);	388	Newz (0, req, 1, aio_cb);
…		…
350		399
351	send_req (req);	400	send_req (req);
352	}	401	}
353		402
354	void	403	void
355	aio_close(fh,callback)	404	aio_close(fh,callback=&PL_sv_undef)
356	InputStream fh	405	SV * fh
357	SV * callback	406	SV * callback
358	PROTOTYPE: $$	407	PROTOTYPE: $;$
359	ALIAS:	408	ALIAS:
360	aio_close = REQ_CLOSE	409	aio_close = REQ_CLOSE
361	aio_fsync = REQ_FSYNC	410	aio_fsync = REQ_FSYNC
362	aio_fdatasync = REQ_FDATASYNC	411	aio_fdatasync = REQ_FDATASYNC
363	CODE:	412	CODE:
…		…
368		417
369	if (!req)	418	if (!req)
370	croak ("out of memory during aio_req allocation");	419	croak ("out of memory during aio_req allocation");
371		420
372	req->type = ix;	421	req->type = ix;
		422	req->fh = newSVsv (fh);
373	req->fd = PerlIO_fileno (fh);	423	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
374	req->callback = SvREFCNT_inc (callback);	424	req->callback = SvREFCNT_inc (callback);
375		425
376	send_req (req);	426	send_req (req);
377	}	427	}
378		428
379	void	429	void
380	aio_read(fh,offset,length,data,dataoffset,callback)	430	aio_read(fh,offset,length,data,dataoffset,callback=&PL_sv_undef)
381	InputStream fh	431	SV * fh
382	UV offset	432	UV offset
383	IV length	433	IV length
384	SV * data	434	SV * data
385	IV dataoffset	435	IV dataoffset
386	SV * callback	436	SV * callback
		437	ALIAS:
		438	aio_read = REQ_READ
		439	aio_write = REQ_WRITE
387	PROTOTYPE: $$$$$$	440	PROTOTYPE: $$$$$;$
388	CODE:	441	CODE:
389	read_write (aTHX_ 0, PerlIO_fileno (fh), offset, length, data, dataoffset, callback);
390
391	void
392	aio_write(fh,offset,length,data,dataoffset,callback)
393	OutputStream fh
394	UV offset
395	IV length
396	SV * data
397	IV dataoffset
398	SV * callback
399	PROTOTYPE: $$$$$$
400	CODE:
401	read_write (aTHX_ 1, PerlIO_fileno (fh), offset, length, data, dataoffset, callback);
402
403	void
404	aio_readahead(fh,offset,length,callback)
405	InputStream fh
406	UV offset
407	IV length
408	SV * callback
409	PROTOTYPE: $$$$
410	CODE:
411	{	442	{
412	aio_req req;	443	aio_req req;
		444	STRLEN svlen;
		445	char *svptr = SvPV (data, svlen);
		446
		447	SvUPGRADE (data, SVt_PV);
		448	SvPOK_on (data);
		449
		450	if (dataoffset < 0)
		451	dataoffset += svlen;
		452
		453	if (dataoffset < 0 \|\| dataoffset > svlen)
		454	croak ("data offset outside of string");
		455
		456	if (ix == REQ_WRITE)
		457	{
		458	/* write: check length and adjust. */
		459	if (length < 0 \|\| length + dataoffset > svlen)
		460	length = svlen - dataoffset;
		461	}
		462	else
		463	{
		464	/* read: grow scalar as necessary */
		465	svptr = SvGROW (data, length + dataoffset);
		466	}
413		467
414	if (length < 0)	468	if (length < 0)
415	croak ("length must not be negative");	469	croak ("length must not be negative");
416		470
417	Newz (0, req, 1, aio_cb);	471	Newz (0, req, 1, aio_cb);
418		472
419	if (!req)	473	if (!req)
420	croak ("out of memory during aio_req allocation");	474	croak ("out of memory during aio_req allocation");
421		475
		476	req->type = ix;
		477	req->fh = newSVsv (fh);
		478	req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh))
		479	: IoOFP (sv_2io (fh)));
		480	req->offset = offset;
		481	req->length = length;
		482	req->data = SvREFCNT_inc (data);
		483	req->dataptr = (char *)svptr + dataoffset;
		484	req->callback = SvREFCNT_inc (callback);
		485
		486	send_req (req);
		487	}
		488
		489	void
		490	aio_readahead(fh,offset,length,callback=&PL_sv_undef)
		491	SV * fh
		492	UV offset
		493	IV length
		494	SV * callback
		495	PROTOTYPE: $$$;$
		496	CODE:
		497	{
		498	aio_req req;
		499
		500	if (length < 0)
		501	croak ("length must not be negative");
		502
		503	Newz (0, req, 1, aio_cb);
		504
		505	if (!req)
		506	croak ("out of memory during aio_req allocation");
		507
422	req->type = REQ_READAHEAD;	508	req->type = REQ_READAHEAD;
		509	req->fh = newSVsv (fh);
423	req->fd = PerlIO_fileno (fh);	510	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
424	req->offset = offset;	511	req->offset = offset;
425	req->length = length;	512	req->length = length;
426	req->callback = SvREFCNT_inc (callback);	513	req->callback = SvREFCNT_inc (callback);
427		514
428	send_req (req);	515	send_req (req);
429	}	516	}
430		517
431	void	518	void
432	aio_stat(fh_or_path,callback)	519	aio_stat(fh_or_path,callback=&PL_sv_undef)
433	SV * fh_or_path	520	SV * fh_or_path
434	SV * callback	521	SV * callback
435	PROTOTYPE: $$
436	ALIAS:	522	ALIAS:
		523	aio_stat = REQ_STAT
437	aio_lstat = 1	524	aio_lstat = REQ_LSTAT
438	CODE:	525	CODE:
439	{	526	{
440	aio_req req;	527	aio_req req;
441		528
442	Newz (0, req, 1, aio_cb);	529	Newz (0, req, 1, aio_cb);
…		…
449	if (!req->statdata)	536	if (!req->statdata)
450	croak ("out of memory during aio_req->statdata allocation");	537	croak ("out of memory during aio_req->statdata allocation");
451		538
452	if (SvPOK (fh_or_path))	539	if (SvPOK (fh_or_path))
453	{	540	{
454	req->type = ix ? REQ_LSTAT : REQ_STAT;	541	req->type = ix;
455	req->data = newSVsv (fh_or_path);	542	req->data = newSVsv (fh_or_path);
456	req->dataptr = SvPV_nolen (req->data);	543	req->dataptr = SvPV_nolen (req->data);
457	}	544	}
458	else	545	else
459	{	546	{
460	req->type = REQ_FSTAT;	547	req->type = REQ_FSTAT;
		548	req->fh = newSVsv (fh_or_path);
461	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	549	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
462	}	550	}
463		551
464	req->callback = SvREFCNT_inc (callback);	552	req->callback = SvREFCNT_inc (callback);
465		553
466	send_req (req);	554	send_req (req);
467	}	555	}
468		556
469	void	557	void
470	aio_unlink(pathname,callback)	558	aio_unlink(pathname,callback=&PL_sv_undef)
471	SV * pathname	559	SV * pathname
472	SV * callback	560	SV * callback
473	PROTOTYPE: $$
474	CODE:	561	CODE:
475	{	562	{
476	aio_req req;	563	aio_req req;
477		564
478	Newz (0, req, 1, aio_cb);	565	Newz (0, req, 1, aio_cb);
…		…
486	req->callback = SvREFCNT_inc (callback);	573	req->callback = SvREFCNT_inc (callback);
487		574
488	send_req (req);	575	send_req (req);
489	}	576	}
490		577
		578	void
		579	flush()
		580	PROTOTYPE:
		581	CODE:
		582	while (nreqs)
		583	{
		584	poll_wait ();
		585	poll_cb ();
		586	}
		587
		588	void
		589	poll()
		590	PROTOTYPE:
		591	CODE:
		592	if (nreqs)
		593	{
		594	poll_wait ();
		595	poll_cb ();
		596	}
		597
491	int	598	int
492	poll_fileno()	599	poll_fileno()
493	PROTOTYPE:	600	PROTOTYPE:
494	CODE:	601	CODE:
495	RETVAL = respipe[0];	602	RETVAL = respipe [0];
496	OUTPUT:	603	OUTPUT:
497	RETVAL	604	RETVAL
498		605
499	int	606	int
500	poll_cb(...)	607	poll_cb(...)
501	PROTOTYPE:	608	PROTOTYPE:
502	CODE:	609	CODE:
503	RETVAL = poll_cb (aTHX);	610	RETVAL = poll_cb ();
504	OUTPUT:	611	OUTPUT:
505	RETVAL	612	RETVAL
506		613
507	void	614	void
508	poll_wait()	615	poll_wait()
509	PROTOTYPE:	616	PROTOTYPE:
510	CODE:	617	CODE:
		618	if (nreqs)
511	poll_wait ();	619	poll_wait ();
512		620
513	int	621	int
514	nreqs()	622	nreqs()
515	PROTOTYPE:	623	PROTOTYPE:
516	CODE:	624	CODE:

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Comparing IO-AIO/AIO.xs (file contents): Revision 1.1 by root, Sun Jul 10 17:07:44 2005 UTC vs. Revision 1.13 by root, Fri Jul 22 08:25:22 2005 UTC

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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.1 by root, Sun Jul 10 17:07:44 2005 UTC vs.
Revision 1.13 by root, Fri Jul 22 08:25:22 2005 UTC