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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.15 by root, Sat Jul 23 18:19:56 2005 UTC vs.
Revision 1.30 by root, Thu Aug 18 16:32:10 2005 UTC

…		…
		1	#define _REENTRANT 1
		2	#include <errno.h>
		3
1	#include "EXTERN.h"	4	#include "EXTERN.h"
2	#include "perl.h"	5	#include "perl.h"
3	#include "XSUB.h"	6	#include "XSUB.h"
		7
		8	#include "autoconf/config.h"
4		9
5	#include <sys/types.h>	10	#include <sys/types.h>
6	#include <sys/stat.h>	11	#include <sys/stat.h>
7		12
8	#include <unistd.h>	13	#include <unistd.h>
9	#include <fcntl.h>	14	#include <fcntl.h>
10	#include <signal.h>	15	#include <signal.h>
11	#include <sched.h>	16	#include <sched.h>
12	#if __linux
13	#include <sys/syscall.h>
14	#endif
15		17
16	#include <pthread.h>	18	#include <pthread.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 ;) */
27		29
28	enum {	30	enum {
29	REQ_QUIT,	31	REQ_QUIT,
30	REQ_OPEN, REQ_CLOSE,	32	REQ_OPEN, REQ_CLOSE,
31	REQ_READ, REQ_WRITE, REQ_READAHEAD,	33	REQ_READ, REQ_WRITE, REQ_READAHEAD,
32	REQ_STAT, REQ_LSTAT, REQ_FSTAT, REQ_UNLINK,	34	REQ_STAT, REQ_LSTAT, REQ_FSTAT,
33	REQ_FSYNC, REQ_FDATASYNC,	35	REQ_FSYNC, REQ_FDATASYNC,
		36	REQ_UNLINK, REQ_RMDIR,
		37	REQ_SYMLINK,
34	};	38	};
35		39
36	typedef struct aio_cb {	40	typedef struct aio_cb {
37	struct aio_cb *volatile next;	41	struct aio_cb *volatile next;
38		42
…		…
43	size_t length;	47	size_t length;
44	ssize_t result;	48	ssize_t result;
45	mode_t mode; /* open */	49	mode_t mode; /* open */
46	int errorno;	50	int errorno;
47	SV data, callback, *fh;	51	SV data, callback, *fh;
48	void *dataptr;	52	void dataptr, data2ptr;
49	STRLEN dataoffset;	53	STRLEN dataoffset;
50		54
51	Stat_t *statdata;	55	Stat_t *statdata;
52	} aio_cb;	56	} aio_cb;
53		57
54	typedef aio_cb *aio_req;	58	typedef aio_cb *aio_req;
55		59
56	static int started;	60	static int started, wanted;
57	static volatile int nreqs;	61	static volatile int nreqs;
58	static int max_outstanding = 1<<30;	62	static int max_outstanding = 1<<30;
59	static int respipe [2];	63	static int respipe [2];
60		64
61	static pthread_mutex_t reslock = PTHREAD_MUTEX_INITIALIZER;	65	static pthread_mutex_t reslock = PTHREAD_MUTEX_INITIALIZER;
…		…
63	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	67	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;
64		68
65	static volatile aio_req reqs, reqe; /* queue start, queue end */	69	static volatile aio_req reqs, reqe; /* queue start, queue end */
66	static volatile aio_req ress, rese; /* queue start, queue end */	70	static volatile aio_req ress, rese; /* queue start, queue end */
67		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
68	static void	89	static void
69	poll_wait ()	90	poll_wait ()
70	{	91	{
71	if (nreqs && !ress)	92	if (nreqs && !ress)
72	{	93	{
…		…
81	static int	102	static int
82	poll_cb ()	103	poll_cb ()
83	{	104	{
84	dSP;	105	dSP;
85	int count = 0;	106	int count = 0;
		107	int do_croak = 0;
86	aio_req req, prv;	108	aio_req req;
87		109
		110	for (;;)
		111	{
88	pthread_mutex_lock (&reslock);	112	pthread_mutex_lock (&reslock);
		113	req = ress;
89		114
90	{	115	if (req)
		116	{
		117	ress = req->next;
		118
		119	if (!ress)
		120	{
91	/* read any signals sent by the worker threads */	121	/* read any signals sent by the worker threads */
92	char buf [32];	122	char buf [32];
93	while (read (respipe [0], buf, 32) > 0)	123	while (read (respipe [0], buf, 32) == 32)
		124	;
		125
		126	rese = 0;
		127	}
94	;	128	}
95	}
96		129
97	req = ress;
98	ress = rese = 0;
99
100	pthread_mutex_unlock (&reslock);	130	pthread_mutex_unlock (&reslock);
101		131
102	while (req)	132	if (!req)
103	{	133	break;
		134
104	nreqs--;	135	nreqs--;
105		136
106	if (req->type == REQ_QUIT)	137	if (req->type == REQ_QUIT)
107	started--;	138	started--;
108	else	139	else
109	{	140	{
110	int errorno = errno;	141	int errorno = errno;
111	errno = req->errorno;	142	errno = req->errorno;
112		143
113	if (req->type == REQ_READ)	144	if (req->type == REQ_READ)
114	SvCUR_set (req->data, req->dataoffset	145	SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0));
115	+ req->result > 0 ? req->result : 0);
116		146
		147	if (req->data2ptr && (req->type == REQ_READ \|\| req->type == REQ_WRITE))
		148	SvREADONLY_off (req->data);
		149
117	if (req->data)	150	if (req->statdata)
118	SvREFCNT_dec (req->data);
119
120	if (req->fh)
121	SvREFCNT_dec (req->fh);
122
123	if (req->type == REQ_STAT \|\| req->type == REQ_LSTAT \|\| req->type == REQ_FSTAT)
124	{	151	{
125	PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT;	152	PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT;
126	PL_laststatval = req->result;	153	PL_laststatval = req->result;
127	PL_statcache = *(req->statdata);	154	PL_statcache = *(req->statdata);
128
129	Safefree (req->statdata);
130	}	155	}
131		156
132	ENTER;	157	ENTER;
133	PUSHMARK (SP);	158	PUSHMARK (SP);
134	XPUSHs (sv_2mortal (newSViv (req->result)));	159	XPUSHs (sv_2mortal (newSViv (req->result)));
…		…
151	if (SvOK (req->callback))	176	if (SvOK (req->callback))
152	{	177	{
153	PUTBACK;	178	PUTBACK;
154	call_sv (req->callback, G_VOID \| G_EVAL);	179	call_sv (req->callback, G_VOID \| G_EVAL);
155	SPAGAIN;	180	SPAGAIN;
		181
		182	if (SvTRUE (ERRSV))
		183	{
		184	free_req (req);
		185	croak (0);
		186	}
156	}	187	}
157		188
158	LEAVE;	189	LEAVE;
159
160	if (req->callback)
161	SvREFCNT_dec (req->callback);
162		190
163	errno = errorno;	191	errno = errorno;
164	count++;	192	count++;
165	}	193	}
166		194
167	prv = req;	195	free_req (req);
168	req = req->next;
169	Safefree (prv);
170
171	/* TODO: croak on errors? */
172	}	196	}
173		197
174	return count;	198	return count;
175	}	199	}
176		200
…		…
183	pthread_t tid;	207	pthread_t tid;
184	pthread_attr_t attr;	208	pthread_attr_t attr;
185		209
186	pthread_attr_init (&attr);	210	pthread_attr_init (&attr);
187	pthread_attr_setstacksize (&attr, STACKSIZE);	211	pthread_attr_setstacksize (&attr, STACKSIZE);
188	pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);	212	// pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
189		213
190	sigfillset (&fullsigset);	214	sigfillset (&fullsigset);
191	sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset);	215	sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset);
192		216
193	if (pthread_create (&tid, &attr, aio_proc, 0) == 0)	217	if (pthread_create (&tid, &attr, aio_proc, 0) == 0)
…		…
197	}	221	}
198		222
199	static void	223	static void
200	send_req (aio_req req)	224	send_req (aio_req req)
201	{	225	{
		226	while (started < wanted && nreqs >= started)
		227	start_thread ();
		228
202	nreqs++;	229	nreqs++;
203		230
204	pthread_mutex_lock (&reqlock);	231	pthread_mutex_lock (&reqlock);
205		232
206	req->next = 0;	233	req->next = 0;
…		…
214	reqe = reqs = req;	241	reqe = reqs = req;
215		242
216	pthread_cond_signal (&reqwait);	243	pthread_cond_signal (&reqwait);
217	pthread_mutex_unlock (&reqlock);	244	pthread_mutex_unlock (&reqlock);
218		245
219	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)
220	{	288	{
221	poll_wait ();	289	poll_wait ();
222	poll_cb ();	290	poll_cb ();
223	}	291	}
224	}	292	}
225		293
226	static void	294	static void create_pipe ()
227	end_thread (void)
228	{	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	{
229	aio_req req;	320	aio_req prv;
230	New (0, req, 1, aio_cb);
231	req->type = REQ_QUIT;
232		321
233	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 ();
234	}	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	/*****************************************************************************/
235		422
236	static void *	423	static void *
237	aio_proc (void *thr_arg)	424	aio_proc (void *thr_arg)
238	{	425	{
239	aio_req req;	426	aio_req req;
…		…
267		454
268	switch (type)	455	switch (type)
269	{	456	{
270	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;
271	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;
272	#if SYS_readahead	459
273	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;
274	#else
275	case REQ_READAHEAD: req->result = -1; errno = ENOSYS; break;
276	#endif
277		461
278	case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break;	462	case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break;
279	case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break;	463	case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break;
280	case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break;	464	case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break;
281		465
282	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;
283	case REQ_CLOSE: req->result = close (req->fd); break;	467	case REQ_CLOSE: req->result = close (req->fd); break;
284	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;
285		471
		472	case REQ_FDATASYNC: req->result = fdatasync (req->fd); break;
286	case REQ_FSYNC: req->result = fsync (req->fd); break;	473	case REQ_FSYNC: req->result = fsync (req->fd); break;
287	case REQ_FDATASYNC: req->result = fdatasync (req->fd); break;
288		474
289	case REQ_QUIT:	475	case REQ_QUIT:
290	break;	476	break;
291		477
292	default:	478	default:
…		…
318	while (type != REQ_QUIT);	504	while (type != REQ_QUIT);
319		505
320	return 0;	506	return 0;
321	}	507	}
322		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
323	MODULE = IO::AIO PACKAGE = IO::AIO	521	MODULE = IO::AIO PACKAGE = IO::AIO
324		522
325	PROTOTYPES: ENABLE	523	PROTOTYPES: ENABLE
326		524
327	BOOT:	525	BOOT:
328	{	526	{
329	if (pipe (respipe))	527	create_pipe ();
330	croak ("unable to initialize result pipe");	528	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);
331
332	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK))
333	croak ("cannot set result pipe to nonblocking mode");
334
335	if (fcntl (respipe [1], F_SETFL, O_NONBLOCK))
336	croak ("cannot set result pipe to nonblocking mode");
337	}	529	}
338		530
339	void	531	void
340	min_parallel(nthreads)	532	min_parallel(nthreads)
341	int nthreads	533	int nthreads
342	PROTOTYPE: $	534	PROTOTYPE: $
343	CODE:
344	while (nthreads > started)
345	start_thread ();
346		535
347	void	536	void
348	max_parallel(nthreads)	537	max_parallel(nthreads)
349	int nthreads	538	int nthreads
350	PROTOTYPE: $	539	PROTOTYPE: $
351	CODE:
352	{
353	int cur = started;
354	while (cur > nthreads)
355	{
356	end_thread ();
357	cur--;
358	}
359
360	while (started > nthreads)
361	{
362	poll_wait ();
363	poll_cb ();
364	}
365	}
366		540
367	int	541	int
368	max_outstanding(nreqs)	542	max_outstanding(nreqs)
369	int nreqs	543	int nreqs
370	PROTOTYPE: $	544	PROTOTYPE: $
…		…
379	int mode	553	int mode
380	SV * callback	554	SV * callback
381	PROTOTYPE: $$$;$	555	PROTOTYPE: $$$;$
382	CODE:	556	CODE:
383	{	557	{
384	aio_req req;	558	dREQ;
385
386	Newz (0, req, 1, aio_cb);
387
388	if (!req)
389	croak ("out of memory during aio_req allocation");
390		559
391	req->type = REQ_OPEN;	560	req->type = REQ_OPEN;
392	req->data = newSVsv (pathname);	561	req->data = newSVsv (pathname);
393	req->dataptr = SvPV_nolen (req->data);	562	req->dataptr = SvPVbyte_nolen (req->data);
394	req->fd = flags;	563	req->fd = flags;
395	req->mode = mode;	564	req->mode = mode;
396	req->callback = SvREFCNT_inc (callback);
397		565
398	send_req (req);	566	send_req (req);
399	}	567	}
400		568
401	void	569	void
…		…
407	aio_close = REQ_CLOSE	575	aio_close = REQ_CLOSE
408	aio_fsync = REQ_FSYNC	576	aio_fsync = REQ_FSYNC
409	aio_fdatasync = REQ_FDATASYNC	577	aio_fdatasync = REQ_FDATASYNC
410	CODE:	578	CODE:
411	{	579	{
412	aio_req req;	580	dREQ;
413
414	Newz (0, req, 1, aio_cb);
415
416	if (!req)
417	croak ("out of memory during aio_req allocation");
418		581
419	req->type = ix;	582	req->type = ix;
420	req->fh = newSVsv (fh);	583	req->fh = newSVsv (fh);
421	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));	584	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
422	req->callback = SvREFCNT_inc (callback);
423		585
424	send_req (req);	586	send_req (req);
425	}	587	}
426		588
427	void	589	void
…		…
438	PROTOTYPE: $$$$$;$	600	PROTOTYPE: $$$$$;$
439	CODE:	601	CODE:
440	{	602	{
441	aio_req req;	603	aio_req req;
442	STRLEN svlen;	604	STRLEN svlen;
443	char *svptr = SvPV (data, svlen);	605	char *svptr = SvPVbyte (data, svlen);
444		606
445	SvUPGRADE (data, SVt_PV);	607	SvUPGRADE (data, SVt_PV);
446	SvPOK_on (data);	608	SvPOK_on (data);
447		609
448	if (dataoffset < 0)	610	if (dataoffset < 0)
…		…
464	}	626	}
465		627
466	if (length < 0)	628	if (length < 0)
467	croak ("length must not be negative");	629	croak ("length must not be negative");
468		630
469	Newz (0, req, 1, aio_cb);	631	{
		632	dREQ;
470		633
471	if (!req)
472	croak ("out of memory during aio_req allocation");
473
474	req->type = ix;	634	req->type = ix;
475	req->fh = newSVsv (fh);	635	req->fh = newSVsv (fh);
476	req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh))	636	req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh))
477	: IoOFP (sv_2io (fh)));	637	: IoOFP (sv_2io (fh)));
478	req->offset = offset;	638	req->offset = offset;
479	req->length = length;	639	req->length = length;
480	req->data = SvREFCNT_inc (data);	640	req->data = SvREFCNT_inc (data);
481	req->dataptr = (char *)svptr + dataoffset;	641	req->dataptr = (char *)svptr + dataoffset;
482	req->callback = SvREFCNT_inc (callback);
483		642
		643	if (!SvREADONLY (data))
		644	{
		645	SvREADONLY_on (data);
		646	req->data2ptr = (void *)data;
		647	}
		648
484	send_req (req);	649	send_req (req);
		650	}
485	}	651	}
486		652
487	void	653	void
488	aio_readahead(fh,offset,length,callback=&PL_sv_undef)	654	aio_readahead(fh,offset,length,callback=&PL_sv_undef)
489	SV * fh	655	SV * fh
…		…
491	IV length	657	IV length
492	SV * callback	658	SV * callback
493	PROTOTYPE: $$$;$	659	PROTOTYPE: $$$;$
494	CODE:	660	CODE:
495	{	661	{
496	aio_req req;	662	dREQ;
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		663
506	req->type = REQ_READAHEAD;	664	req->type = REQ_READAHEAD;
507	req->fh = newSVsv (fh);	665	req->fh = newSVsv (fh);
508	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));	666	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
509	req->offset = offset;	667	req->offset = offset;
510	req->length = length;	668	req->length = length;
511	req->callback = SvREFCNT_inc (callback);
512		669
513	send_req (req);	670	send_req (req);
514	}	671	}
515		672
516	void	673	void
…		…
520	ALIAS:	677	ALIAS:
521	aio_stat = REQ_STAT	678	aio_stat = REQ_STAT
522	aio_lstat = REQ_LSTAT	679	aio_lstat = REQ_LSTAT
523	CODE:	680	CODE:
524	{	681	{
525	aio_req req;	682	dREQ;
526
527	Newz (0, req, 1, aio_cb);
528
529	if (!req)
530	croak ("out of memory during aio_req allocation");
531		683
532	New (0, req->statdata, 1, Stat_t);	684	New (0, req->statdata, 1, Stat_t);
533
534	if (!req->statdata)	685	if (!req->statdata)
		686	{
		687	free_req (req);
535	croak ("out of memory during aio_req->statdata allocation");	688	croak ("out of memory during aio_req->statdata allocation");
		689	}
536		690
537	if (SvPOK (fh_or_path))	691	if (SvPOK (fh_or_path))
538	{	692	{
539	req->type = ix;	693	req->type = ix;
540	req->data = newSVsv (fh_or_path);	694	req->data = newSVsv (fh_or_path);
541	req->dataptr = SvPV_nolen (req->data);	695	req->dataptr = SvPVbyte_nolen (req->data);
542	}	696	}
543	else	697	else
544	{	698	{
545	req->type = REQ_FSTAT;	699	req->type = REQ_FSTAT;
546	req->fh = newSVsv (fh_or_path);	700	req->fh = newSVsv (fh_or_path);
547	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	701	req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
548	}	702	}
549		703
550	req->callback = SvREFCNT_inc (callback);
551
552	send_req (req);	704	send_req (req);
553	}	705	}
554		706
555	void	707	void
556	aio_unlink(pathname,callback=&PL_sv_undef)	708	aio_unlink(pathname,callback=&PL_sv_undef)
557	SV * pathname	709	SV * pathname
558	SV * callback	710	SV * callback
		711	ALIAS:
		712	aio_unlink = REQ_UNLINK
		713	aio_rmdir = REQ_RMDIR
559	CODE:	714	CODE:
560	{	715	{
561	aio_req req;	716	dREQ;
562		717
563	Newz (0, req, 1, aio_cb);	718	req->type = ix;
		719	req->data = newSVsv (pathname);
		720	req->dataptr = SvPVbyte_nolen (req->data);
564		721
565	if (!req)	722	send_req (req);
566	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;
567		733
568	req->type = REQ_UNLINK;	734	req->type = REQ_SYMLINK;
		735	req->fh = newSVsv (oldpath);
		736	req->data2ptr = SvPVbyte_nolen (req->fh);
569	req->data = newSVsv (pathname);	737	req->data = newSVsv (newpath);
570	req->dataptr = SvPV_nolen (req->data);	738	req->dataptr = SvPVbyte_nolen (req->data);
571	req->callback = SvREFCNT_inc (callback);
572		739
573	send_req (req);	740	send_req (req);
574	}	741	}
575		742
576	void	743	void

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Comparing IO-AIO/AIO.xs (file contents): Revision 1.15 by root, Sat Jul 23 18:19:56 2005 UTC vs. Revision 1.30 by root, Thu Aug 18 16:32:10 2005 UTC

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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.15 by root, Sat Jul 23 18:19:56 2005 UTC vs.
Revision 1.30 by root, Thu Aug 18 16:32:10 2005 UTC