[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 1.16 by root, Sun Jul 31 18:20:07 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>
13	#include <endian.h>
14		14
15	#include <pthread.h>	15	#include <pthread.h>
16	#include <sys/syscall.h>
17		16
18	typedef void InputStream; / hack, but 5.6.1 is simply toooo old ;) */	17	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 ;) */	18	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 ;) */	19	typedef void InOutStream; / hack, but 5.6.1 is simply toooo old ;) */
21		20
22	#if __i386 \|\| __amd64
23	# define STACKSIZE ( 256 * sizeof (long))
24	#elif __ia64	21	#if __ia64
25	# define STACKSIZE (8192 * sizeof (long))	22	# define STACKSIZE 65536
26	#else	23	#else
27	# define STACKSIZE ( 512 * sizeof (long))	24	# define STACKSIZE 4096
28	#endif	25	#endif
29		26
30	enum {	27	enum {
31	REQ_QUIT,	28	REQ_QUIT,
32	REQ_OPEN, REQ_CLOSE,	29	REQ_OPEN, REQ_CLOSE,
34	REQ_STAT, REQ_LSTAT, REQ_FSTAT, REQ_UNLINK,	31	REQ_STAT, REQ_LSTAT, REQ_FSTAT, REQ_UNLINK,
35	REQ_FSYNC, REQ_FDATASYNC,	32	REQ_FSYNC, REQ_FDATASYNC,
36	};	33	};
37		34
38	typedef struct aio_cb {	35	typedef struct aio_cb {
39	struct aio_cb *next;	36	struct aio_cb *volatile next;
40		37
41	int type;	38	int type;
42		39
43	int fd;	40	int fd;
44	off_t offset;	41	off_t offset;
45	size_t length;	42	size_t length;
46	ssize_t result;	43	ssize_t result;
47	mode_t mode; /* open */	44	mode_t mode; /* open */
48	int errorno;	45	int errorno;
49	SV data, callback;	46	SV data, callback, *fh;
50	void *dataptr;	47	void *dataptr;
51	STRLEN dataoffset;	48	STRLEN dataoffset;
52		49
53	Stat_t *statdata;	50	Stat_t *statdata;
54	} aio_cb;	51	} aio_cb;
55		52
56	typedef aio_cb *aio_req;	53	typedef aio_cb *aio_req;
57		54
58	static int started;	55	static int started;
59	static int nreqs;	56	static volatile int nreqs;
		57	static int max_outstanding = 1<<30;
60	static int reqpipe[2], respipe[2];	58	static int respipe [2];
61		59
		60	static pthread_mutex_t reslock = PTHREAD_MUTEX_INITIALIZER;
		61	static pthread_mutex_t reqlock = PTHREAD_MUTEX_INITIALIZER;
		62	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;
		63
62	static aio_req qs, qe; /* queue start, queue end */	64	static volatile aio_req reqs, reqe; /* queue start, queue end */
63		65	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		66
173	static void	67	static void
174	poll_wait ()	68	poll_wait ()
175	{	69	{
		70	if (nreqs && !ress)
		71	{
176	fd_set rfd;	72	fd_set rfd;
177	FD_ZERO(&rfd);	73	FD_ZERO(&rfd);
178	FD_SET(respipe[0], &rfd);	74	FD_SET(respipe [0], &rfd);
179		75
180	select (respipe[0] + 1, &rfd, 0, 0, 0);	76	select (respipe [0] + 1, &rfd, 0, 0, 0);
		77	}
181	}	78	}
182		79
183	static int	80	static int
184	poll_cb (pTHX)	81	poll_cb ()
185	{	82	{
186	dSP;	83	dSP;
187	int count = 0;	84	int count = 0;
188	aio_req req;	85	aio_req req, prv;
189		86
190	while (read (respipe[0], (void *)&req, sizeof (req)) == sizeof (req))	87	pthread_mutex_lock (&reslock);
		88
		89	{
		90	/* read any signals sent by the worker threads */
		91	char buf [32];
		92	while (read (respipe [0], buf, 32) > 0)
		93	;
		94	}
		95
		96	req = ress;
		97	ress = rese = 0;
		98
		99	pthread_mutex_unlock (&reslock);
		100
		101	while (req)
191	{	102	{
192	nreqs--;	103	nreqs--;
193		104
194	if (req->type == REQ_QUIT)	105	if (req->type == REQ_QUIT)
195	started--;	106	started--;
…		…
203	+ req->result > 0 ? req->result : 0);	114	+ req->result > 0 ? req->result : 0);
204		115
205	if (req->data)	116	if (req->data)
206	SvREFCNT_dec (req->data);	117	SvREFCNT_dec (req->data);
207		118
		119	if (req->fh)
		120	SvREFCNT_dec (req->fh);
		121
208	if (req->type == REQ_STAT \|\| req->type == REQ_LSTAT \|\| req->type == REQ_FSTAT)	122	if (req->type == REQ_STAT \|\| req->type == REQ_LSTAT \|\| req->type == REQ_FSTAT)
209	{	123	{
210	PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT;	124	PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT;
211	PL_laststatval = req->result;	125	PL_laststatval = req->result;
212	PL_statcache = *(req->statdata);	126	PL_statcache = *(req->statdata);
213		127
214	Safefree (req->statdata);	128	Safefree (req->statdata);
215	}	129	}
216		130
		131	ENTER;
217	PUSHMARK (SP);	132	PUSHMARK (SP);
218	XPUSHs (sv_2mortal (newSViv (req->result)));	133	XPUSHs (sv_2mortal (newSViv (req->result)));
219		134
220	if (req->type == REQ_OPEN)	135	if (req->type == REQ_OPEN)
221	{	136	{
…		…
224		139
225	PUTBACK;	140	PUTBACK;
226	call_pv ("IO::AIO::_fd2fh", G_SCALAR \| G_EVAL);	141	call_pv ("IO::AIO::_fd2fh", G_SCALAR \| G_EVAL);
227	SPAGAIN;	142	SPAGAIN;
228		143
229	fh = POPs;	144	fh = SvREFCNT_inc (POPs);
230		145
231	PUSHMARK (SP);	146	PUSHMARK (SP);
232	XPUSHs (fh);	147	XPUSHs (sv_2mortal (fh));
233	}	148	}
234		149
		150	if (SvOK (req->callback))
		151	{
235	PUTBACK;	152	PUTBACK;
236	call_sv (req->callback, G_VOID \| G_EVAL);	153	call_sv (req->callback, G_VOID \| G_EVAL);
237	SPAGAIN;	154	SPAGAIN;
		155	}
		156
		157	LEAVE;
238		158
239	if (req->callback)	159	if (req->callback)
240	SvREFCNT_dec (req->callback);	160	SvREFCNT_dec (req->callback);
241		161
242	errno = errorno;	162	errno = errorno;
243	count++;	163	count++;
244	}	164	}
245		165
		166	prv = req;
		167	req = req->next;
246	Safefree (req);	168	Safefree (prv);
		169
		170	/* TODO: croak on errors? */
247	}	171	}
248		172
249	if (qs)
250	send_reqs ();
251
252	return count;	173	return count;
		174	}
		175
		176	static void aio_proc(void arg);
		177
		178	static void
		179	start_thread (void)
		180	{
		181	sigset_t fullsigset, oldsigset;
		182	pthread_t tid;
		183	pthread_attr_t attr;
		184
		185	pthread_attr_init (&attr);
		186	pthread_attr_setstacksize (&attr, STACKSIZE);
		187	pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
		188
		189	sigfillset (&fullsigset);
		190	sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset);
		191
		192	if (pthread_create (&tid, &attr, aio_proc, 0) == 0)
		193	started++;
		194
		195	sigprocmask (SIG_SETMASK, &oldsigset, 0);
		196	}
		197
		198	static void
		199	send_req (aio_req req)
		200	{
		201	nreqs++;
		202
		203	pthread_mutex_lock (&reqlock);
		204
		205	req->next = 0;
		206
		207	if (reqe)
		208	{
		209	reqe->next = req;
		210	reqe = req;
		211	}
		212	else
		213	reqe = reqs = req;
		214
		215	pthread_cond_signal (&reqwait);
		216	pthread_mutex_unlock (&reqlock);
		217
		218	while (nreqs > max_outstanding)
		219	{
		220	poll_wait ();
		221	poll_cb ();
		222	}
		223	}
		224
		225	static void
		226	end_thread (void)
		227	{
		228	aio_req req;
		229	New (0, req, 1, aio_cb);
		230	req->type = REQ_QUIT;
		231
		232	send_req (req);
253	}	233	}
254		234
255	static void *	235	static void *
256	aio_proc (void *thr_arg)	236	aio_proc (void *thr_arg)
257	{	237	{
258	aio_req req;	238	aio_req req;
		239	int type;
259		240
260	/* then loop */	241	do
261	while (read (reqpipe[0], (void *)&req, sizeof (req)) == sizeof (req))
262	{	242	{
		243	pthread_mutex_lock (&reqlock);
		244
		245	for (;;)
		246	{
		247	req = reqs;
		248
		249	if (reqs)
		250	{
		251	reqs = reqs->next;
		252	if (!reqs) reqe = 0;
		253	}
		254
		255	if (req)
		256	break;
		257
		258	pthread_cond_wait (&reqwait, &reqlock);
		259	}
		260
		261	pthread_mutex_unlock (&reqlock);
		262
263	errno = 0; /* strictly unnecessary */	263	errno = 0; /* strictly unnecessary */
264		264
		265	type = req->type;
		266
265	switch (req->type)	267	switch (type)
266	{	268	{
		269	#if HAVE_PREADWRITE
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	#else
		273	# error "pread/pwrite cannot be emulated, fix your os"
		274	#endif
		275
		276	#if HAVE_READAHEAD
270	case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break;	277	case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break;
271	#else	278	#else
		279	// TODO: emulate
272	case REQ_READAHEAD: req->result = -1; errno = ENOSYS; break;	280	case REQ_READAHEAD: req->result = -1; errno = ENOSYS; break;
273	#endif	281	#endif
274		282
275	case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break;	283	case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break;
276	case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break;	284	case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break;
…		…
278		286
279	case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break;	287	case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break;
280	case REQ_CLOSE: req->result = close (req->fd); break;	288	case REQ_CLOSE: req->result = close (req->fd); break;
281	case REQ_UNLINK: req->result = unlink (req->dataptr); break;	289	case REQ_UNLINK: req->result = unlink (req->dataptr); break;
282		290
		291	case REQ_FDATASYNC:
		292	#if HAVE_FDATASYNC
		293	req->result = fdatasync (req->fd); break;
		294	#endif
283	case REQ_FSYNC: req->result = fsync (req->fd); break;	295	case REQ_FSYNC: req->result = fsync (req->fd); break;
284	case REQ_FDATASYNC: req->result = fdatasync (req->fd); break;
285		296
286	case REQ_QUIT:	297	case REQ_QUIT:
287	write (respipe[1], (void *)&req, sizeof (req));	298	break;
288	return 0;
289		299
290	default:	300	default:
291	req->result = ENOSYS;	301	req->result = ENOSYS;
292	break;	302	break;
293	}	303	}
294		304
295	req->errorno = errno;	305	req->errorno = errno;
296	write (respipe[1], (void *)&req, sizeof (req));	306
		307	pthread_mutex_lock (&reslock);
		308
		309	req->next = 0;
		310
		311	if (rese)
		312	{
		313	rese->next = req;
		314	rese = req;
		315	}
		316	else
		317	{
		318	rese = ress = req;
		319
		320	/* write a dummy byte to the pipe so fh becomes ready */
		321	write (respipe [1], &respipe, 1);
		322	}
		323
		324	pthread_mutex_unlock (&reslock);
297	}	325	}
		326	while (type != REQ_QUIT);
298		327
299	return 0;	328	return 0;
300	}	329	}
301		330
302	MODULE = IO::AIO PACKAGE = IO::AIO	331	MODULE = IO::AIO PACKAGE = IO::AIO
303		332
		333	PROTOTYPES: ENABLE
		334
304	BOOT:	335	BOOT:
305	{	336	{
306	if (pipe (reqpipe) \|\| pipe (respipe))	337	if (pipe (respipe))
307	croak ("unable to initialize request or result pipe");	338	croak ("unable to initialize result pipe");
308		339
309	if (fcntl (reqpipe[1], F_SETFL, O_NONBLOCK))	340	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK))
310	croak ("cannot set result pipe to nonblocking mode");	341	croak ("cannot set result pipe to nonblocking mode");
311		342
312	if (fcntl (respipe[0], F_SETFL, O_NONBLOCK))	343	if (fcntl (respipe [1], F_SETFL, O_NONBLOCK))
313	croak ("cannot set result pipe to nonblocking mode");	344	croak ("cannot set result pipe to nonblocking mode");
314	}	345	}
315		346
316	void	347	void
317	min_parallel(nthreads)	348	min_parallel(nthreads)
…		…
335	}	366	}
336		367
337	while (started > nthreads)	368	while (started > nthreads)
338	{	369	{
339	poll_wait ();	370	poll_wait ();
340	poll_cb (aTHX);	371	poll_cb ();
341	}	372	}
342	}	373	}
343		374
		375	int
		376	max_outstanding(nreqs)
		377	int nreqs
		378	PROTOTYPE: $
		379	CODE:
		380	RETVAL = max_outstanding;
		381	max_outstanding = nreqs;
		382
344	void	383	void
345	aio_open(pathname,flags,mode,callback)	384	aio_open(pathname,flags,mode,callback=&PL_sv_undef)
346	SV * pathname	385	SV * pathname
347	int flags	386	int flags
348	int mode	387	int mode
349	SV * callback	388	SV * callback
350	PROTOTYPE: $$$$	389	PROTOTYPE: $$$;$
351	CODE:	390	CODE:
352	{	391	{
353	aio_req req;	392	aio_req req;
354		393
355	Newz (0, req, 1, aio_cb);	394	Newz (0, req, 1, aio_cb);
…		…
366		405
367	send_req (req);	406	send_req (req);
368	}	407	}
369		408
370	void	409	void
371	aio_close(fh,callback)	410	aio_close(fh,callback=&PL_sv_undef)
372	InputStream fh	411	SV * fh
373	SV * callback	412	SV * callback
374	PROTOTYPE: $$	413	PROTOTYPE: $;$
375	ALIAS:	414	ALIAS:
376	aio_close = REQ_CLOSE	415	aio_close = REQ_CLOSE
377	aio_fsync = REQ_FSYNC	416	aio_fsync = REQ_FSYNC
378	aio_fdatasync = REQ_FDATASYNC	417	aio_fdatasync = REQ_FDATASYNC
379	CODE:	418	CODE:
…		…
384		423
385	if (!req)	424	if (!req)
386	croak ("out of memory during aio_req allocation");	425	croak ("out of memory during aio_req allocation");
387		426
388	req->type = ix;	427	req->type = ix;
		428	req->fh = newSVsv (fh);
389	req->fd = PerlIO_fileno (fh);	429	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
390	req->callback = SvREFCNT_inc (callback);	430	req->callback = SvREFCNT_inc (callback);
391		431
392	send_req (req);	432	send_req (req);
393	}	433	}
394		434
395	void	435	void
396	aio_read(fh,offset,length,data,dataoffset,callback)	436	aio_read(fh,offset,length,data,dataoffset,callback=&PL_sv_undef)
397	InputStream fh	437	SV * fh
398	UV offset	438	UV offset
399	IV length	439	IV length
400	SV * data	440	SV * data
401	IV dataoffset	441	IV dataoffset
402	SV * callback	442	SV * callback
		443	ALIAS:
		444	aio_read = REQ_READ
		445	aio_write = REQ_WRITE
403	PROTOTYPE: $$$$$$	446	PROTOTYPE: $$$$$;$
404	CODE:	447	CODE:
405	read_write (aTHX_ 0, PerlIO_fileno (fh), offset, length, data, dataoffset, callback);
406
407	void
408	aio_write(fh,offset,length,data,dataoffset,callback)
409	OutputStream fh
410	UV offset
411	IV length
412	SV * data
413	IV dataoffset
414	SV * callback
415	PROTOTYPE: $$$$$$
416	CODE:
417	read_write (aTHX_ 1, PerlIO_fileno (fh), offset, length, data, dataoffset, callback);
418
419	void
420	aio_readahead(fh,offset,length,callback)
421	InputStream fh
422	UV offset
423	IV length
424	SV * callback
425	PROTOTYPE: $$$$
426	CODE:
427	{	448	{
428	aio_req req;	449	aio_req req;
		450	STRLEN svlen;
		451	char *svptr = SvPV (data, svlen);
		452
		453	SvUPGRADE (data, SVt_PV);
		454	SvPOK_on (data);
		455
		456	if (dataoffset < 0)
		457	dataoffset += svlen;
		458
		459	if (dataoffset < 0 \|\| dataoffset > svlen)
		460	croak ("data offset outside of string");
		461
		462	if (ix == REQ_WRITE)
		463	{
		464	/* write: check length and adjust. */
		465	if (length < 0 \|\| length + dataoffset > svlen)
		466	length = svlen - dataoffset;
		467	}
		468	else
		469	{
		470	/* read: grow scalar as necessary */
		471	svptr = SvGROW (data, length + dataoffset);
		472	}
429		473
430	if (length < 0)	474	if (length < 0)
431	croak ("length must not be negative");	475	croak ("length must not be negative");
432		476
433	Newz (0, req, 1, aio_cb);	477	Newz (0, req, 1, aio_cb);
434		478
435	if (!req)	479	if (!req)
436	croak ("out of memory during aio_req allocation");	480	croak ("out of memory during aio_req allocation");
437		481
		482	req->type = ix;
		483	req->fh = newSVsv (fh);
		484	req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh))
		485	: IoOFP (sv_2io (fh)));
		486	req->offset = offset;
		487	req->length = length;
		488	req->data = SvREFCNT_inc (data);
		489	req->dataptr = (char *)svptr + dataoffset;
		490	req->callback = SvREFCNT_inc (callback);
		491
		492	send_req (req);
		493	}
		494
		495	void
		496	aio_readahead(fh,offset,length,callback=&PL_sv_undef)
		497	SV * fh
		498	UV offset
		499	IV length
		500	SV * callback
		501	PROTOTYPE: $$$;$
		502	CODE:
		503	{
		504	aio_req req;
		505
		506	if (length < 0)
		507	croak ("length must not be negative");
		508
		509	Newz (0, req, 1, aio_cb);
		510
		511	if (!req)
		512	croak ("out of memory during aio_req allocation");
		513
438	req->type = REQ_READAHEAD;	514	req->type = REQ_READAHEAD;
		515	req->fh = newSVsv (fh);
439	req->fd = PerlIO_fileno (fh);	516	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
440	req->offset = offset;	517	req->offset = offset;
441	req->length = length;	518	req->length = length;
442	req->callback = SvREFCNT_inc (callback);	519	req->callback = SvREFCNT_inc (callback);
443		520
444	send_req (req);	521	send_req (req);
445	}	522	}
446		523
447	void	524	void
448	aio_stat(fh_or_path,callback)	525	aio_stat(fh_or_path,callback=&PL_sv_undef)
449	SV * fh_or_path	526	SV * fh_or_path
450	SV * callback	527	SV * callback
451	PROTOTYPE: $$
452	ALIAS:	528	ALIAS:
		529	aio_stat = REQ_STAT
453	aio_lstat = 1	530	aio_lstat = REQ_LSTAT
454	CODE:	531	CODE:
455	{	532	{
456	aio_req req;	533	aio_req req;
457		534
458	Newz (0, req, 1, aio_cb);	535	Newz (0, req, 1, aio_cb);
…		…
465	if (!req->statdata)	542	if (!req->statdata)
466	croak ("out of memory during aio_req->statdata allocation");	543	croak ("out of memory during aio_req->statdata allocation");
467		544
468	if (SvPOK (fh_or_path))	545	if (SvPOK (fh_or_path))
469	{	546	{
470	req->type = ix ? REQ_LSTAT : REQ_STAT;	547	req->type = ix;
471	req->data = newSVsv (fh_or_path);	548	req->data = newSVsv (fh_or_path);
472	req->dataptr = SvPV_nolen (req->data);	549	req->dataptr = SvPV_nolen (req->data);
473	}	550	}
474	else	551	else
475	{	552	{
476	req->type = REQ_FSTAT;	553	req->type = REQ_FSTAT;
		554	req->fh = newSVsv (fh_or_path);
477	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	555	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
478	}	556	}
479		557
480	req->callback = SvREFCNT_inc (callback);	558	req->callback = SvREFCNT_inc (callback);
481		559
482	send_req (req);	560	send_req (req);
483	}	561	}
484		562
485	void	563	void
486	aio_unlink(pathname,callback)	564	aio_unlink(pathname,callback=&PL_sv_undef)
487	SV * pathname	565	SV * pathname
488	SV * callback	566	SV * callback
489	PROTOTYPE: $$
490	CODE:	567	CODE:
491	{	568	{
492	aio_req req;	569	aio_req req;
493		570
494	Newz (0, req, 1, aio_cb);	571	Newz (0, req, 1, aio_cb);
…		…
502	req->callback = SvREFCNT_inc (callback);	579	req->callback = SvREFCNT_inc (callback);
503		580
504	send_req (req);	581	send_req (req);
505	}	582	}
506		583
		584	void
		585	flush()
		586	PROTOTYPE:
		587	CODE:
		588	while (nreqs)
		589	{
		590	poll_wait ();
		591	poll_cb ();
		592	}
		593
		594	void
		595	poll()
		596	PROTOTYPE:
		597	CODE:
		598	if (nreqs)
		599	{
		600	poll_wait ();
		601	poll_cb ();
		602	}
		603
507	int	604	int
508	poll_fileno()	605	poll_fileno()
509	PROTOTYPE:	606	PROTOTYPE:
510	CODE:	607	CODE:
511	RETVAL = respipe[0];	608	RETVAL = respipe [0];
512	OUTPUT:	609	OUTPUT:
513	RETVAL	610	RETVAL
514		611
515	int	612	int
516	poll_cb(...)	613	poll_cb(...)
517	PROTOTYPE:	614	PROTOTYPE:
518	CODE:	615	CODE:
519	RETVAL = poll_cb (aTHX);	616	RETVAL = poll_cb ();
520	OUTPUT:	617	OUTPUT:
521	RETVAL	618	RETVAL
522		619
523	void	620	void
524	poll_wait()	621	poll_wait()
525	PROTOTYPE:	622	PROTOTYPE:
526	CODE:	623	CODE:
		624	if (nreqs)
527	poll_wait ();	625	poll_wait ();
528		626
529	int	627	int
530	nreqs()	628	nreqs()
531	PROTOTYPE:	629	PROTOTYPE:
532	CODE:	630	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 1.16 by root, Sun Jul 31 18:20:07 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 1.16 by root, Sun Jul 31 18:20:07 2005 UTC