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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.124 by root, Thu May 29 03:20:40 2008 UTC vs.
Revision 1.153 by root, Wed Jul 15 01:36:04 2009 UTC

…		…
3	#include <errno.h>	3	#include <errno.h>
4		4
5	#include "EXTERN.h"	5	#include "EXTERN.h"
6	#include "perl.h"	6	#include "perl.h"
7	#include "XSUB.h"	7	#include "XSUB.h"
		8
		9	#include "schmorp.h"
8		10
9	#include <stddef.h>	11	#include <stddef.h>
10	#include <stdlib.h>	12	#include <stdlib.h>
11	#include <errno.h>	13	#include <errno.h>
12	#include <sys/types.h>	14	#include <sys/types.h>
…		…
65	# include <signal.h>	67	# include <signal.h>
66	# define EIO_STRUCT_DIRENT struct dirent	68	# define EIO_STRUCT_DIRENT struct dirent
67		69
68	#endif	70	#endif
69		71
		72	/* perl stupidly overrides readdir and maybe others */
		73	/* with thread-unsafe versions, imagine that :( */
		74	#undef readdir
		75	#undef opendir
		76	#undef closedir
		77
70	#define EIO_STRUCT_STAT Stat_t	78	#define EIO_STRUCT_STAT Stat_t
71		79
72	/* use NV for 32 bit perls as it allows larger offsets */	80	/* use NV for 32 bit perls as it allows larger offsets */
73	#if IVSIZE >= 8	81	#if IVSIZE >= 8
		82	# define VAL64 IV
74	# define SvVAL64 SvIV	83	# define SvVAL64 SvIV
		84	# define newSVval64 newSViv
75	#else	85	#else
		86	# define VAL64 NV
76	# define SvVAL64 SvNV	87	# define SvVAL64 SvNV
		88	# define newSVval64 newSVnv
77	#endif	89	#endif
		90
		91	/*****************************************************************************/
		92
		93	#if __GNUC__ >= 3
		94	# define expect(expr,value) __builtin_expect ((expr),(value))
		95	#else
		96	# define expect(expr,value) (expr)
		97	#endif
		98
		99	#define expect_false(expr) expect ((expr) != 0, 0)
		100	#define expect_true(expr) expect ((expr) != 0, 1)
		101
		102	/*****************************************************************************/
78		103
79	static HV *stash;	104	static HV *stash;
80	typedef SV SV8; /* byte-sv, used for argument-checking */	105	typedef SV SV8; /* byte-sv, used for argument-checking */
		106	typedef int aio_rfd; /* read file desriptor */
		107	typedef int aio_wfd; /* write file descriptor */
81		108
82	#define AIO_REQ_KLASS "IO::AIO::REQ"	109	#define AIO_REQ_KLASS "IO::AIO::REQ"
83	#define AIO_GRP_KLASS "IO::AIO::GRP"	110	#define AIO_GRP_KLASS "IO::AIO::GRP"
84		111
85	#define EIO_REQ_MEMBERS \	112	#define EIO_REQ_MEMBERS \
…		…
90		117
91	#define EIO_NO_WRAPPERS 1	118	#define EIO_NO_WRAPPERS 1
92		119
93	#include "libeio/eio.h"	120	#include "libeio/eio.h"
94		121
		122	#ifndef POSIX_FADV_NORMAL
		123	# define POSIX_FADV_NORMAL 0
		124	# define NO_FADVISE 1
		125	#endif
		126
		127	#ifndef POSIX_FADV_SEQUENTIAL
		128	# define POSIX_FADV_SEQUENTIAL 0
		129	#endif
		130
		131	#ifndef POSIX_FADV_RANDOM
		132	# define POSIX_FADV_RANDOM 0
		133	#endif
		134
		135	#ifndef POSIX_FADV_NOREUSE
		136	# define POSIX_FADV_NOREUSE 0
		137	#endif
		138
		139	#ifndef POSIX_FADV_WILLNEED
		140	# define POSIX_FADV_WILLNEED 0
		141	#endif
		142
		143	#ifndef POSIX_FADV_DONTNEED
		144	# define POSIX_FADV_DONTNEED 0
		145	#endif
		146
95	static int req_invoke (eio_req *req);	147	static int req_invoke (eio_req *req);
96	#define EIO_FINISH(req) req_invoke (req)	148	#define EIO_FINISH(req) req_invoke (req)
97	static void aio_grp_feed (eio_req *grp);
98	#define EIO_FEED(req) aio_grp_feed (req)
99	static void req_destroy (eio_req *grp);	149	static void req_destroy (eio_req *grp);
100	#define EIO_DESTROY(req) req_destroy (req)	150	#define EIO_DESTROY(req) req_destroy (req)
101		151
102	enum {	152	enum {
103	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	153	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
…		…
110		160
111	static SV *on_next_submit;	161	static SV *on_next_submit;
112	static int next_pri = EIO_PRI_DEFAULT;	162	static int next_pri = EIO_PRI_DEFAULT;
113	static int max_outstanding;	163	static int max_outstanding;
114		164
115	static int respipe_osf [2], respipe [2] = { -1, -1 };	165	static int respipe_osf [2];
		166	static s_epipe respipe;
116		167
117	static void req_destroy (aio_req req);	168	static void req_destroy (aio_req req);
118	static void req_cancel (aio_req req);	169	static void req_cancel (aio_req req);
119		170
120	static void want_poll (void)	171	static void want_poll (void)
121	{	172	{
122	/* write a dummy byte to the pipe so fh becomes ready */	173	/* write a dummy byte to the pipe so fh becomes ready */
123	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);	174	s_epipe_signal (&respipe);
124	}	175	}
125		176
126	static void done_poll (void)	177	static void done_poll (void)
127	{	178	{
128	/* read any signals sent by the worker threads */	179	/* read any signals sent by the worker threads */
129	char buf [4];	180	s_epipe_drain (&respipe);
130	while (respipe_read (respipe [0], buf, 4) == 4)
131	;
132	}	181	}
133		182
134	/* must be called at most once */	183	/* must be called at most once */
135	static SV req_sv (aio_req req, const char klass)	184	static SV req_sv (aio_req req, const char klass)
136	{	185	{
…		…
175		224
176	static void req_submit (eio_req *req)	225	static void req_submit (eio_req *req)
177	{	226	{
178	eio_submit (req);	227	eio_submit (req);
179		228
180	if (on_next_submit)	229	if (expect_false (on_next_submit))
181	{	230	{
182	dSP;	231	dSP;
183	SV *cb = sv_2mortal (on_next_submit);	232	SV *cb = sv_2mortal (on_next_submit);
184		233
185	on_next_submit = 0;	234	on_next_submit = 0;
…		…
195	dSP;	244	dSP;
196		245
197	if (req->flags & FLAG_SV2_RO_OFF)	246	if (req->flags & FLAG_SV2_RO_OFF)
198	SvREADONLY_off (req->sv2);	247	SvREADONLY_off (req->sv2);
199		248
200	if (!EIO_CANCELLED (req) && SvOK (req->callback))	249	if (!EIO_CANCELLED (req) && req->callback)
201	{	250	{
202	ENTER;	251	ENTER;
203	SAVETMPS;	252	SAVETMPS;
204	PUSHMARK (SP);	253	PUSHMARK (SP);
205	EXTEND (SP, 1);	254	EXTEND (SP, 1);
…		…
211	SV *rv = &PL_sv_undef;	260	SV *rv = &PL_sv_undef;
212		261
213	if (req->result >= 0)	262	if (req->result >= 0)
214	{	263	{
215	int i;	264	int i;
216	char *buf = req->ptr2;	265	char names = (char )req->ptr2;
		266	eio_dirent ent = (eio_dirent )req->ptr1; /* might be 0 */
217	AV *av = newAV ();	267	AV *av = newAV ();
218		268
219	av_extend (av, req->result - 1);	269	av_extend (av, req->result - 1);
220		270
221	for (i = 0; i < req->result; ++i)	271	for (i = 0; i < req->result; ++i)
222	{	272	{
223	SV *sv = newSVpv (buf, 0);	273	if (req->int1 & EIO_READDIR_DENTS)
		274	{
		275	SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen);
224		276
		277	if (req->int1 & EIO_READDIR_CUSTOM2)
		278	{
		279	static SV sv_type [EIO_DT_MAX + 1]; / type sv cache */
		280	AV *avent = newAV ();
		281
		282	av_extend (avent, 2);
		283
		284	if (!sv_type [ent->type])
		285	{
		286	sv_type [ent->type] = newSViv (ent->type);
		287	SvREADONLY_on (sv_type [ent->type]);
		288	}
		289
		290	av_store (avent, 0, namesv);
		291	av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type]));
		292	av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode));
		293
		294	av_store (av, i, newRV_noinc ((SV *)avent));
		295	}
		296	else
225	av_store (av, i, sv);	297	av_store (av, i, namesv);
		298
		299	++ent;
		300	}
		301	else
		302	{
		303	SV *name = newSVpv (names, 0);
		304	av_store (av, i, name);
226	buf += SvCUR (sv) + 1;	305	names += SvCUR (name) + 1;
		306	}
227	}	307	}
228		308
229	rv = sv_2mortal (newRV_noinc ((SV *)av));	309	rv = sv_2mortal (newRV_noinc ((SV *)av));
230	}	310	}
231		311
232	PUSHs (rv);	312	PUSHs (rv);
		313
		314	if (req->int1 & EIO_READDIR_CUSTOM1)
		315	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 \| EIO_READDIR_CUSTOM2))));
233	}	316	}
234	break;	317	break;
235		318
236	case EIO_OPEN:	319	case EIO_OPEN:
237	{	320	{
…		…
243	GV gv = (GV )sv_newmortal ();	326	GV gv = (GV )sv_newmortal ();
244	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);	327	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);
245	char sym [64];	328	char sym [64];
246	int symlen;	329	int symlen;
247		330
248	symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result);	331	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
249	gv_init (gv, stash, sym, symlen, 0);	332	gv_init (gv, stash, sym, symlen, 0);
250		333
251	symlen = snprintf (	334	symlen = snprintf (
252	sym,	335	sym,
253	sizeof (sym),	336	sizeof (sym),
254	"%s&=%d",	337	"%s&=%d",
255	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",	338	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
256	req->result	339	(int)req->result
257	);	340	);
258		341
259	if (do_open (gv, sym, symlen, 0, 0, 0, 0))	342	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
260	fh = (SV *)gv;	343	fh = (SV *)gv;
261	}	344	}
…		…
295	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);	378	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);
296	PUSHs (sv_2mortal (newSViv (req->result)));	379	PUSHs (sv_2mortal (newSViv (req->result)));
297	break;	380	break;
298		381
299	case EIO_READ:	382	case EIO_READ:
		383	{
300	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	384	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
301	*SvEND (req->sv2) = 0;	385	*SvEND (req->sv2) = 0;
		386	SvPOK_only (req->sv2);
		387	SvSETMAGIC (req->sv2);
302	PUSHs (sv_2mortal (newSViv (req->result)));	388	PUSHs (sv_2mortal (newSViv (req->result)));
		389	}
303	break;	390	break;
304		391
305	case EIO_DUP2:	392	case EIO_DUP2:
306	if (req->result > 0)	393	if (req->result > 0)
307	req->result = 0;	394	req->result = 0;
…		…
353	grp->sv2 = 0;	440	grp->sv2 = 0;
354		441
355	eio_grp_cancel (grp);	442	eio_grp_cancel (grp);
356	}	443	}
357		444
358	#ifdef USE_SOCKETS_AS_HANDLES
359	# define TO_SOCKET(x) (win32_get_osfhandle (x))
360	#else
361	# define TO_SOCKET(x) (x)
362	#endif
363
364	static void	445	static void
365	create_respipe (void)	446	create_respipe (void)
366	{	447	{
367	int old_readfd = respipe [0];
368
369	if (respipe [1] >= 0)
370	respipe_close (TO_SOCKET (respipe [1]));
371
372	#ifdef _WIN32
373	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
374	#else
375	if (pipe (respipe))	448	if (s_epipe_renew (&respipe))
376	#endif
377	croak ("unable to initialize result pipe");	449	croak ("unable to initialize result pipe");
378		450
379	if (old_readfd >= 0)
380	{
381	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
382	croak ("unable to initialize result pipe(2)");
383
384	respipe_close (respipe [0]);
385	respipe [0] = old_readfd;
386	}
387
388	#ifdef _WIN32
389	int arg = 1;
390	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
391	\|\| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
392	#else
393	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
394	\|\| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
395	#endif
396	croak ("unable to initialize result pipe(3)");
397
398	respipe_osf [0] = TO_SOCKET (respipe [0]);	451	respipe_osf [0] = S_TO_SOCKET (respipe.fd [0]);
399	respipe_osf [1] = TO_SOCKET (respipe [1]);	452	respipe_osf [1] = S_TO_SOCKET (respipe.fd [1]);
400	}	453	}
401		454
402	static void poll_wait (void)	455	static void poll_wait (void)
403	{	456	{
404	fd_set rfd;
405
406	while (eio_nreqs ())	457	while (eio_nreqs ())
407	{	458	{
408	int size;	459	int size;
409		460
410	X_LOCK (reslock);	461	X_LOCK (reslock);
…		…
414	if (size)	465	if (size)
415	return;	466	return;
416		467
417	etp_maybe_start_thread ();	468	etp_maybe_start_thread ();
418		469
419	FD_ZERO (&rfd);	470	s_epipe_wait (&respipe);
420	FD_SET (respipe [0], &rfd);
421
422	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
423	}	471	}
424	}	472	}
425		473
426	static int poll_cb (void)	474	static int poll_cb (void)
427	{	475	{
…		…
442	static void atfork_child (void)	490	static void atfork_child (void)
443	{	491	{
444	create_respipe ();	492	create_respipe ();
445	}	493	}
446		494
		495	static SV *
		496	get_cb (SV *cb_sv)
		497	{
		498	SvGETMAGIC (cb_sv);
		499	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
		500	}
		501
447	#define dREQ \	502	#define dREQ \
		503	SV *cb_cv; \
448	aio_req req; \	504	aio_req req; \
449	int req_pri = next_pri; \	505	int req_pri = next_pri; \
450	next_pri = EIO_PRI_DEFAULT; \	506	next_pri = EIO_PRI_DEFAULT; \
451	\	507	\
452	if (SvOK (callback) && !SvROK (callback)) \	508	cb_cv = get_cb (callback); \
453	croak ("callback must be undef or of reference type"); \
454	\	509	\
455	Newz (0, req, 1, eio_req); \	510	Newz (0, req, 1, eio_req); \
456	if (!req) \	511	if (!req) \
457	croak ("out of memory during eio_req allocation"); \	512	croak ("out of memory during eio_req allocation"); \
458	\	513	\
459	req->callback = newSVsv (callback); \	514	req->callback = SvREFCNT_inc (cb_cv); \
460	req->pri = req_pri	515	req->pri = req_pri
461		516
462	#define REQ_SEND \	517	#define REQ_SEND \
		518	PUTBACK; \
463	req_submit (req); \	519	req_submit (req); \
		520	SPAGAIN; \
464	\	521	\
465	if (GIMME_V != G_VOID) \	522	if (GIMME_V != G_VOID) \
466	XPUSHs (req_sv (req, AIO_REQ_KLASS));	523	XPUSHs (req_sv (req, AIO_REQ_KLASS));
467		524
468	MODULE = IO::AIO PACKAGE = IO::AIO	525	MODULE = IO::AIO PACKAGE = IO::AIO
469		526
470	PROTOTYPES: ENABLE	527	PROTOTYPES: ENABLE
471		528
472	BOOT:	529	BOOT:
473	{	530	{
474	stash = gv_stashpv ("IO::AIO", 1);	531	static const struct {
475		532	const char *name;
476	newCONSTSUB (stash, "EXDEV", newSViv (EXDEV));	533	IV iv;
477	newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY));	534	} *civ, const_iv[] = {
478	newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY));	535	# define const_iv(name, value) { # name, (IV) value },
479	newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT));	536	# define const_eio(name) { # name, (IV) EIO_ ## name },
480	newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC));	537	const_iv (EXDEV , EXDEV)
		538	const_iv (ENOSYS , ENOSYS)
		539	const_iv (O_RDONLY, O_RDONLY)
		540	const_iv (O_WRONLY, O_WRONLY)
		541	const_iv (O_CREAT , O_CREAT)
		542	const_iv (O_TRUNC , O_TRUNC)
481	#ifndef _WIN32	543	#ifndef _WIN32
482	newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));	544	const_iv (S_IFIFO , S_IFIFO)
483	#endif	545	#endif
		546	const_iv (FADV_NORMAL , POSIX_FADV_NORMAL)
		547	const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		548	const_iv (FADV_RANDOM , POSIX_FADV_RANDOM)
		549	const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		550	const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		551	const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
484		552
		553	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
		554	const_eio (SYNC_FILE_RANGE_WRITE)
		555	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		556
		557	const_eio (READDIR_DENTS)
		558	const_eio (READDIR_DIRS_FIRST)
		559	const_eio (READDIR_STAT_ORDER)
		560	const_eio (READDIR_FOUND_UNKNOWN)
		561
		562	const_eio (DT_UNKNOWN)
		563	const_eio (DT_FIFO)
		564	const_eio (DT_CHR)
		565	const_eio (DT_DIR)
		566	const_eio (DT_BLK)
		567	const_eio (DT_REG)
		568	const_eio (DT_LNK)
		569	const_eio (DT_SOCK)
		570	const_eio (DT_WHT)
		571	};
		572
		573	stash = gv_stashpv ("IO::AIO", 1);
		574
		575	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
		576	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
		577
485	create_respipe ();	578	create_respipe ();
486		579
487	if (eio_init (want_poll, done_poll) < 0)	580	if (eio_init (want_poll, done_poll) < 0)
488	croak ("IO::AIO: unable to initialise eio library");	581	croak ("IO::AIO: unable to initialise eio library");
489		582
490	/* atfork child called in fifo order, so before eio's handler */	583	/* atfork child called in fifo order, so before eio's handler */
491	X_THREAD_ATFORK (0, 0, atfork_child);	584	X_THREAD_ATFORK (0, 0, atfork_child);
492	}	585	}
493		586
494	void	587	void
495	max_poll_reqs (int nreqs)	588	max_poll_reqs (int nreqs)
496	PROTOTYPE: $	589	PROTOTYPE: $
…		…
549	ALIAS:	642	ALIAS:
550	aio_fsync = EIO_FSYNC	643	aio_fsync = EIO_FSYNC
551	aio_fdatasync = EIO_FDATASYNC	644	aio_fdatasync = EIO_FDATASYNC
552	PPCODE:	645	PPCODE:
553	{	646	{
		647	int fd = s_fileno_croak (fh, 0);
554	dREQ;	648	dREQ;
555		649
556	req->type = ix;	650	req->type = ix;
557	req->sv1 = newSVsv (fh);	651	req->sv1 = newSVsv (fh);
558	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	652	req->int1 = fd;
		653
		654	REQ_SEND (req);
		655	}
		656
		657	void
		658	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback=&PL_sv_undef)
		659	PROTOTYPE: $$$$;$
		660	PPCODE:
		661	{
		662	int fd = s_fileno_croak (fh, 0);
		663	dREQ;
		664
		665	req->type = EIO_SYNC_FILE_RANGE;
		666	req->sv1 = newSVsv (fh);
		667	req->int1 = fd;
		668	req->offs = offset;
		669	req->size = nbytes;
		670	req->int2 = flags;
559		671
560	REQ_SEND (req);	672	REQ_SEND (req);
561	}	673	}
562		674
563	void	675	void
564	aio_close (SV fh, SV callback=&PL_sv_undef)	676	aio_close (SV fh, SV callback=&PL_sv_undef)
565	PROTOTYPE: $;$	677	PROTOTYPE: $;$
566	PPCODE:	678	PPCODE:
567	{	679	{
568	static int close_pipe = -1; /* dummy fd to close fds via dup2 */	680	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
		681	int fd = s_fileno_croak (fh, 0);
569	dREQ;	682	dREQ;
570		683
571	if (close_pipe < 0)	684	if (close_pipe < 0)
572	{	685	{
573	int pipefd [2];	686	int pipefd [2];
…		…
581	}	694	}
582		695
583	req->type = EIO_DUP2;	696	req->type = EIO_DUP2;
584	req->int1 = close_pipe;	697	req->int1 = close_pipe;
585	req->sv2 = newSVsv (fh);	698	req->sv2 = newSVsv (fh);
586	req->int2 = PerlIO_fileno (IoIFP (sv_2io (fh)));	699	req->int2 = fd;
587		700
588	REQ_SEND (req);	701	REQ_SEND (req);
589	}	702	}
590		703
591	void	704	void
…		…
595	aio_write = EIO_WRITE	708	aio_write = EIO_WRITE
596	PROTOTYPE: $$$$$;$	709	PROTOTYPE: $$$$$;$
597	PPCODE:	710	PPCODE:
598	{	711	{
599	STRLEN svlen;	712	STRLEN svlen;
		713	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
600	char *svptr = SvPVbyte (data, svlen);	714	char *svptr = SvPVbyte (data, svlen);
601	UV len = SvUV (length);	715	UV len = SvUV (length);
602
603	SvUPGRADE (data, SVt_PV);
604	SvPOK_on (data);
605		716
606	if (dataoffset < 0)	717	if (dataoffset < 0)
607	dataoffset += svlen;	718	dataoffset += svlen;
608		719
609	if (dataoffset < 0 \|\| dataoffset > svlen)	720	if (dataoffset < 0 \|\| dataoffset > svlen)
…		…
615	if (!SvOK (length) \|\| len + dataoffset > svlen)	726	if (!SvOK (length) \|\| len + dataoffset > svlen)
616	len = svlen - dataoffset;	727	len = svlen - dataoffset;
617	}	728	}
618	else	729	else
619	{	730	{
620	/* read: grow scalar as necessary */	731	/* read: check type and grow scalar as necessary */
		732	SvUPGRADE (data, SVt_PV);
621	svptr = SvGROW (data, len + dataoffset + 1);	733	svptr = SvGROW (data, len + dataoffset + 1);
622	}	734	}
623
624	if (len < 0)
625	croak ("length must not be negative");
626		735
627	{	736	{
628	dREQ;	737	dREQ;
629		738
630	req->type = ix;	739	req->type = ix;
631	req->sv1 = newSVsv (fh);	740	req->sv1 = newSVsv (fh);
632	req->int1 = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh))	741	req->int1 = fd;
633	: IoOFP (sv_2io (fh)));
634	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	742	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
635	req->size = len;	743	req->size = len;
636	req->sv2 = SvREFCNT_inc (data);	744	req->sv2 = SvREFCNT_inc (data);
637	req->ptr2 = (char *)svptr + dataoffset;	745	req->ptr2 = (char *)svptr + dataoffset;
638	req->stroffset = dataoffset;	746	req->stroffset = dataoffset;
…		…
661		769
662	REQ_SEND;	770	REQ_SEND;
663	}	771	}
664		772
665	void	773	void
666	aio_sendfile (SV out_fh, SV in_fh, SV in_offset, UV length, SV callback=&PL_sv_undef)	774	aio_sendfile (SV out_fh, SV in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
667	PROTOTYPE: $$$$;$	775	PROTOTYPE: $$$$;$
668	PPCODE:	776	PPCODE:
669	{	777	{
		778	int ifd = s_fileno_croak (in_fh , 0);
		779	int ofd = s_fileno_croak (out_fh, 1);
670	dREQ;	780	dREQ;
671		781
672	req->type = EIO_SENDFILE;	782	req->type = EIO_SENDFILE;
673	req->sv1 = newSVsv (out_fh);	783	req->sv1 = newSVsv (out_fh);
674	req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh)));	784	req->int1 = ofd;
675	req->sv2 = newSVsv (in_fh);	785	req->sv2 = newSVsv (in_fh);
676	req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));	786	req->int2 = ifd;
677	req->offs = SvVAL64 (in_offset);	787	req->offs = in_offset;
678	req->size = length;	788	req->size = length;
679		789
680	REQ_SEND;	790	REQ_SEND;
681	}	791	}
682		792
683	void	793	void
684	aio_readahead (SV fh, SV offset, IV length, SV *callback=&PL_sv_undef)	794	aio_readahead (SV fh, off_t offset, size_t length, SV callback=&PL_sv_undef)
685	PROTOTYPE: $$$;$	795	PROTOTYPE: $$$;$
686	PPCODE:	796	PPCODE:
687	{	797	{
		798	int fd = s_fileno_croak (fh, 0);
688	dREQ;	799	dREQ;
689		800
690	req->type = EIO_READAHEAD;	801	req->type = EIO_READAHEAD;
691	req->sv1 = newSVsv (fh);	802	req->sv1 = newSVsv (fh);
692	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	803	req->int1 = fd;
693	req->offs = SvVAL64 (offset);	804	req->offs = offset;
694	req->size = length;	805	req->size = length;
695		806
696	REQ_SEND;	807	REQ_SEND;
697	}	808	}
698		809
…		…
814	req->type = EIO_FCHOWN;	925	req->type = EIO_FCHOWN;
815	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	926	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
816	}	927	}
817		928
818	REQ_SEND;	929	REQ_SEND;
		930	}
		931
		932	void
		933	aio_readdirx (SV8 pathname, IV flags, SV callback=&PL_sv_undef)
		934	PPCODE:
		935	{
		936	dREQ;
		937
		938	req->type = EIO_READDIR;
		939	req->sv1 = newSVsv (pathname);
		940	req->ptr1 = SvPVbyte_nolen (req->sv1);
		941	req->int1 = flags \| EIO_READDIR_DENTS \| EIO_READDIR_CUSTOM1;
		942
		943	if (flags & EIO_READDIR_DENTS)
		944	req->int1 \|= EIO_READDIR_CUSTOM2;
		945
		946	REQ_SEND;
819	}	947	}
820		948
821	void	949	void
822	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)	950	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)
823	ALIAS:	951	ALIAS:
…		…
888	{	1016	{
889	dREQ;	1017	dREQ;
890		1018
891	req->type = EIO_GROUP;	1019	req->type = EIO_GROUP;
892		1020
893	eio_submit (req);	1021	req_submit (req);
894	XPUSHs (req_sv (req, AIO_GRP_KLASS));	1022	XPUSHs (req_sv (req, AIO_GRP_KLASS));
895	}	1023	}
896		1024
897	void	1025	void
898	aio_nop (SV *callback=&PL_sv_undef)	1026	aio_nop (SV *callback=&PL_sv_undef)
…		…
951		1079
952	int	1080	int
953	poll_fileno()	1081	poll_fileno()
954	PROTOTYPE:	1082	PROTOTYPE:
955	CODE:	1083	CODE:
956	RETVAL = respipe [0];	1084	RETVAL = s_epipe_fd (&respipe);
957	OUTPUT:	1085	OUTPUT:
958	RETVAL	1086	RETVAL
959		1087
960	int	1088	int
961	poll_cb(...)	1089	poll_cb(...)
…		…
1001	CODE:	1129	CODE:
1002	RETVAL = eio_nthreads ();	1130	RETVAL = eio_nthreads ();
1003	OUTPUT:	1131	OUTPUT:
1004	RETVAL	1132	RETVAL
1005		1133
		1134	int
		1135	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
		1136	PROTOTYPE: $$$$
		1137	CODE:
		1138	#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
		1139	RETVAL = posix_fadvise (fh, offset, length, advice);
		1140	#else
		1141	RETVAL = errno = ENOSYS;
		1142	#endif
		1143	OUTPUT:
		1144	RETVAL
		1145
		1146	ssize_t
		1147	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
		1148	PROTOTYPE: $$$$
		1149	CODE:
		1150	eio_sendfile_sync (ofh, ifh, offset, count);
		1151
1006	void _on_next_submit (SV *cb)	1152	void _on_next_submit (SV *cb)
1007	CODE:	1153	CODE:
1008	SvREFCNT_dec (on_next_submit);	1154	SvREFCNT_dec (on_next_submit);
1009	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1155	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1010		1156
…		…
1017	CODE:	1163	CODE:
1018	eio_cancel (req);	1164	eio_cancel (req);
1019		1165
1020	void	1166	void
1021	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	1167	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)
1022	CODE:	1168	PPCODE:
		1169	{
		1170	if (GIMME_V != G_VOID)
		1171	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
		1172
		1173	if (items > 1)
		1174	{
		1175	SV *cb_cv =get_cb (callback);
		1176
1023	SvREFCNT_dec (req->callback);	1177	SvREFCNT_dec (req->callback);
1024	req->callback = newSVsv (callback);	1178	req->callback = SvREFCNT_inc (cb_cv);
		1179	}
		1180	}
1025		1181
1026	MODULE = IO::AIO PACKAGE = IO::AIO::GRP	1182	MODULE = IO::AIO PACKAGE = IO::AIO::GRP
1027		1183
1028	void	1184	void
1029	add (aio_req grp, ...)	1185	add (aio_req grp, ...)
…		…
1061	AV *av;	1217	AV *av;
1062		1218
1063	grp->errorno = errno;	1219	grp->errorno = errno;
1064		1220
1065	av = newAV ();	1221	av = newAV ();
		1222	av_extend (av, items - 1);
1066		1223
1067	for (i = 1; i < items; ++i )	1224	for (i = 1; i < items; ++i )
1068	av_push (av, newSVsv (ST (i)));	1225	av_push (av, newSVsv (ST (i)));
1069		1226
1070	SvREFCNT_dec (grp->sv1);	1227	SvREFCNT_dec (grp->sv1);
…		…
1084	void	1241	void
1085	feed (aio_req grp, SV *callback=&PL_sv_undef)	1242	feed (aio_req grp, SV *callback=&PL_sv_undef)
1086	CODE:	1243	CODE:
1087	{	1244	{
1088	SvREFCNT_dec (grp->sv2);	1245	SvREFCNT_dec (grp->sv2);
1089	grp->sv2 = newSVsv (callback);	1246	grp->sv2 = newSVsv (callback);
		1247	grp->feed = aio_grp_feed;
1090		1248
1091	if (grp->int2 <= 0)	1249	if (grp->int2 <= 0)
1092	grp->int2 = 2;	1250	grp->int2 = 2;
1093		1251
1094	eio_grp_limit (grp, grp->int2);	1252	eio_grp_limit (grp, grp->int2);

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Comparing IO-AIO/AIO.xs (file contents): Revision 1.124 by root, Thu May 29 03:20:40 2008 UTC vs. Revision 1.153 by root, Wed Jul 15 01:36:04 2009 UTC

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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.124 by root, Thu May 29 03:20:40 2008 UTC vs.
Revision 1.153 by root, Wed Jul 15 01:36:04 2009 UTC