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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.121 by root, Tue May 13 18:50:27 2008 UTC vs.
Revision 1.160 by root, Thu Jan 7 18:25:51 2010 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>
13	#include <sys/stat.h>	15	#include <sys/stat.h>
		16	#include <sys/statvfs.h>
14	#include <limits.h>	17	#include <limits.h>
15	#include <fcntl.h>	18	#include <fcntl.h>
16	#include <sched.h>	19	#include <sched.h>
17		20
18	/* perl namespace pollution */	21	/* perl namespace pollution */
…		…
65	# include <signal.h>	68	# include <signal.h>
66	# define EIO_STRUCT_DIRENT struct dirent	69	# define EIO_STRUCT_DIRENT struct dirent
67		70
68	#endif	71	#endif
69		72
		73	/* perl stupidly overrides readdir and maybe others */
		74	/* with thread-unsafe versions, imagine that :( */
		75	#undef readdir
		76	#undef opendir
		77	#undef closedir
		78
70	#define EIO_STRUCT_STAT Stat_t	79	#define EIO_STRUCT_STAT Stat_t
71		80
72	/* use NV for 32 bit perls as it allows larger offsets */	81	/* use NV for 32 bit perls as it allows larger offsets */
73	#if IVSIZE >= 8	82	#if IVSIZE >= 8
		83	# define VAL64 IV
74	# define SvVAL64 SvIV	84	# define SvVAL64 SvIV
		85	# define newSVval64 newSViv
75	#else	86	#else
		87	# define VAL64 NV
76	# define SvVAL64 SvNV	88	# define SvVAL64 SvNV
		89	# define newSVval64 newSVnv
77	#endif	90	#endif
78		91
79	static HV *stash;	92	/*****************************************************************************/
		93
		94	#if __GNUC__ >= 3
		95	# define expect(expr,value) __builtin_expect ((expr),(value))
		96	#else
		97	# define expect(expr,value) (expr)
		98	#endif
		99
		100	#define expect_false(expr) expect ((expr) != 0, 0)
		101	#define expect_true(expr) expect ((expr) != 0, 1)
		102
		103	/*****************************************************************************/
		104
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	static HV aio_stash, aio_req_stash, *aio_grp_stash;
83	#define AIO_GRP_KLASS "IO::AIO::GRP"
84		110
85	#define EIO_REQ_MEMBERS \	111	#define EIO_REQ_MEMBERS \
86	SV *callback; \	112	SV *callback; \
87	SV sv1, sv2; \	113	SV sv1, sv2; \
88	STRLEN stroffset; \	114	STRLEN stroffset; \
89	SV *self;	115	SV *self;
90		116
		117	#define EIO_NO_WRAPPERS 1
		118
91	#include "libeio/eio.h"	119	#include "libeio/eio.h"
		120
		121	#ifndef POSIX_FADV_NORMAL
		122	# define POSIX_FADV_NORMAL 0
		123	# define NO_FADVISE 1
		124	#endif
		125
		126	#ifndef POSIX_FADV_SEQUENTIAL
		127	# define POSIX_FADV_SEQUENTIAL 0
		128	#endif
		129
		130	#ifndef POSIX_FADV_RANDOM
		131	# define POSIX_FADV_RANDOM 0
		132	#endif
		133
		134	#ifndef POSIX_FADV_NOREUSE
		135	# define POSIX_FADV_NOREUSE 0
		136	#endif
		137
		138	#ifndef POSIX_FADV_WILLNEED
		139	# define POSIX_FADV_WILLNEED 0
		140	#endif
		141
		142	#ifndef POSIX_FADV_DONTNEED
		143	# define POSIX_FADV_DONTNEED 0
		144	#endif
		145
		146	#ifndef ST_NODEV
		147	# define ST_NODEV 0
		148	#endif
		149
		150	#ifndef ST_NOEXEC
		151	# define ST_NOEXEC 0
		152	#endif
		153
		154	#ifndef ST_SYNCHRONOUS
		155	# define ST_SYNCHRONOUS 0
		156	#endif
		157
		158	#ifndef ST_MANDLOCK
		159	# define ST_MANDLOCK 0
		160	#endif
		161
		162	#ifndef ST_WRITE
		163	# define ST_WRITE 0
		164	#endif
		165
		166	#ifndef ST_APPEND
		167	# define ST_APPEND 0
		168	#endif
		169
		170	#ifndef ST_IMMUTABLE
		171	# define ST_IMMUTABLE 0
		172	#endif
		173
		174	#ifndef ST_NOATIME
		175	# define ST_NOATIME 0
		176	#endif
		177
		178	#ifndef ST_NODIRATIME
		179	# define ST_NODIRATIME 0
		180	#endif
		181
		182	#ifndef ST_RELATIME
		183	# define ST_RELATIME 0
		184	#endif
92		185
93	static int req_invoke (eio_req *req);	186	static int req_invoke (eio_req *req);
94	#define EIO_FINISH(req) req_invoke (req)	187	#define EIO_FINISH(req) req_invoke (req)
95	static void aio_grp_feed (eio_req *grp);
96	#define EIO_FEED(req) aio_grp_feed (req)
97	static void req_destroy (eio_req *grp);	188	static void req_destroy (eio_req *grp);
98	#define EIO_DESTROY(req) req_destroy (req)	189	#define EIO_DESTROY(req) req_destroy (req)
99		190
100	enum {	191	enum {
101	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	192	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
…		…
108		199
109	static SV *on_next_submit;	200	static SV *on_next_submit;
110	static int next_pri = EIO_PRI_DEFAULT;	201	static int next_pri = EIO_PRI_DEFAULT;
111	static int max_outstanding;	202	static int max_outstanding;
112		203
113	static int respipe_osf [2], respipe [2] = { -1, -1 };	204	static s_epipe respipe;
114		205
115	static void req_destroy (aio_req req);	206	static void req_destroy (aio_req req);
116	static void req_cancel (aio_req req);	207	static void req_cancel (aio_req req);
117		208
118	static void want_poll (void)	209	static void want_poll (void)
119	{	210	{
120	/* write a dummy byte to the pipe so fh becomes ready */	211	/* write a dummy byte to the pipe so fh becomes ready */
121	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);	212	s_epipe_signal (&respipe);
122	}	213	}
123		214
124	static void done_poll (void)	215	static void done_poll (void)
125	{	216	{
126	/* read any signals sent by the worker threads */	217	/* read any signals sent by the worker threads */
127	char buf [4];	218	s_epipe_drain (&respipe);
128	while (respipe_read (respipe [0], buf, 4) == 4)
129	;
130	}	219	}
131		220
132	/* must be called at most once */	221	/* must be called at most once */
133	static SV req_sv (aio_req req, const char klass)	222	static SV req_sv (aio_req req, HV stash)
134	{	223	{
135	if (!req->self)	224	if (!req->self)
136	{	225	{
137	req->self = (SV *)newHV ();	226	req->self = (SV *)newHV ();
138	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	227	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
139	}	228	}
140		229
141	return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1)));	230	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
142	}	231	}
143		232
144	static aio_req SvAIO_REQ (SV *sv)	233	static aio_req SvAIO_REQ (SV *sv)
145	{	234	{
146	MAGIC *mg;	235	MAGIC *mg;
147		236
148	if (!sv_derived_from (sv, AIO_REQ_KLASS) \|\| !SvROK (sv))	237	if (!SvROK (sv)
		238	\|\| (SvSTASH (SvRV (sv)) != aio_grp_stash
		239	&& SvSTASH (SvRV (sv)) != aio_req_stash
		240	&& !sv_derived_from (sv, "IO::AIO::REQ")))
149	croak ("object of class " AIO_REQ_KLASS " expected");	241	croak ("object of class IO::AIO::REQ expected");
150		242
151	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	243	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
152		244
153	return mg ? (aio_req)mg->mg_ptr : 0;	245	return mg ? (aio_req)mg->mg_ptr : 0;
154	}	246	}
…		…
160	dSP;	252	dSP;
161		253
162	ENTER;	254	ENTER;
163	SAVETMPS;	255	SAVETMPS;
164	PUSHMARK (SP);	256	PUSHMARK (SP);
165	XPUSHs (req_sv (grp, AIO_GRP_KLASS));	257	XPUSHs (req_sv (grp, aio_grp_stash));
166	PUTBACK;	258	PUTBACK;
167	call_sv (grp->sv2, G_VOID \| G_EVAL \| G_KEEPERR);	259	call_sv (grp->sv2, G_VOID \| G_EVAL \| G_KEEPERR);
168	SPAGAIN;	260	SPAGAIN;
169	FREETMPS;	261	FREETMPS;
170	LEAVE;	262	LEAVE;
…		…
173		265
174	static void req_submit (eio_req *req)	266	static void req_submit (eio_req *req)
175	{	267	{
176	eio_submit (req);	268	eio_submit (req);
177		269
178	if (on_next_submit)	270	if (expect_false (on_next_submit))
179	{	271	{
180	dSP;	272	dSP;
181	SV *cb = sv_2mortal (on_next_submit);	273	SV *cb = sv_2mortal (on_next_submit);
182		274
183	on_next_submit = 0;	275	on_next_submit = 0;
…		…
193	dSP;	285	dSP;
194		286
195	if (req->flags & FLAG_SV2_RO_OFF)	287	if (req->flags & FLAG_SV2_RO_OFF)
196	SvREADONLY_off (req->sv2);	288	SvREADONLY_off (req->sv2);
197		289
198	if (!EIO_CANCELLED (req) && SvOK (req->callback))	290	if (!EIO_CANCELLED (req) && req->callback)
199	{	291	{
200	ENTER;	292	ENTER;
201	SAVETMPS;	293	SAVETMPS;
202	PUSHMARK (SP);	294	PUSHMARK (SP);
203	EXTEND (SP, 1);	295	EXTEND (SP, 1);
…		…
209	SV *rv = &PL_sv_undef;	301	SV *rv = &PL_sv_undef;
210		302
211	if (req->result >= 0)	303	if (req->result >= 0)
212	{	304	{
213	int i;	305	int i;
214	char *buf = req->ptr2;	306	char names = (char )req->ptr2;
		307	eio_dirent ent = (eio_dirent )req->ptr1; /* might be 0 */
215	AV *av = newAV ();	308	AV *av = newAV ();
216		309
217	av_extend (av, req->result - 1);	310	av_extend (av, req->result - 1);
218		311
219	for (i = 0; i < req->result; ++i)	312	for (i = 0; i < req->result; ++i)
220	{	313	{
221	SV *sv = newSVpv (buf, 0);	314	if (req->int1 & EIO_READDIR_DENTS)
		315	{
		316	SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen);
222		317
		318	if (req->int1 & EIO_READDIR_CUSTOM2)
		319	{
		320	static SV sv_type [EIO_DT_MAX + 1]; / type sv cache */
		321	AV *avent = newAV ();
		322
		323	av_extend (avent, 2);
		324
		325	if (!sv_type [ent->type])
		326	{
		327	sv_type [ent->type] = newSViv (ent->type);
		328	SvREADONLY_on (sv_type [ent->type]);
		329	}
		330
		331	av_store (avent, 0, namesv);
		332	av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type]));
		333	av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode));
		334
		335	av_store (av, i, newRV_noinc ((SV *)avent));
		336	}
		337	else
223	av_store (av, i, sv);	338	av_store (av, i, namesv);
		339
		340	++ent;
		341	}
		342	else
		343	{
		344	SV *name = newSVpv (names, 0);
		345	av_store (av, i, name);
224	buf += SvCUR (sv) + 1;	346	names += SvCUR (name) + 1;
		347	}
225	}	348	}
226		349
227	rv = sv_2mortal (newRV_noinc ((SV *)av));	350	rv = sv_2mortal (newRV_noinc ((SV *)av));
228	}	351	}
229		352
230	PUSHs (rv);	353	PUSHs (rv);
		354
		355	if (req->int1 & EIO_READDIR_CUSTOM1)
		356	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 \| EIO_READDIR_CUSTOM2))));
231	}	357	}
232	break;	358	break;
233		359
234	case EIO_OPEN:	360	case EIO_OPEN:
235	{	361	{
…		…
241	GV gv = (GV )sv_newmortal ();	367	GV gv = (GV )sv_newmortal ();
242	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);	368	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);
243	char sym [64];	369	char sym [64];
244	int symlen;	370	int symlen;
245		371
246	symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result);	372	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
247	gv_init (gv, stash, sym, symlen, 0);	373	gv_init (gv, aio_stash, sym, symlen, 0);
248		374
249	symlen = snprintf (	375	symlen = snprintf (
250	sym,	376	sym,
251	sizeof (sym),	377	sizeof (sym),
252	"%s&=%d",	378	"%s&=%d",
253	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",	379	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
254	req->result	380	(int)req->result
255	);	381	);
256		382
257	if (do_open (gv, sym, symlen, 0, 0, 0, 0))	383	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
258	fh = (SV *)gv;	384	fh = (SV *)gv;
259	}	385	}
260		386
261	PUSHs (fh);	387	PUSHs (fh);
262	}	388	}
		389	break;
		390
		391	case EIO_STATVFS:
		392	case EIO_FSTATVFS:
		393	{
		394	SV *rv = &PL_sv_undef;
		395
		396	if (req->result >= 0)
		397	{
		398	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
		399	HV *hv = newHV ();
		400
		401	rv = sv_2mortal (newRV_noinc ((SV *)hv));
		402
		403	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
		404	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
		405	hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
		406	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
		407	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
		408	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
		409	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
		410	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
		411	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
		412	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
		413	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
		414	}
		415
		416	PUSHs (rv);
		417	}
		418
263	break;	419	break;
264		420
265	case EIO_GROUP:	421	case EIO_GROUP:
266	req->int1 = 2; /* mark group as finished */	422	req->int1 = 2; /* mark group as finished */
267		423
…		…
293	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);	449	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);
294	PUSHs (sv_2mortal (newSViv (req->result)));	450	PUSHs (sv_2mortal (newSViv (req->result)));
295	break;	451	break;
296		452
297	case EIO_READ:	453	case EIO_READ:
		454	{
298	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	455	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
299	*SvEND (req->sv2) = 0;	456	*SvEND (req->sv2) = 0;
		457	SvPOK_only (req->sv2);
		458	SvSETMAGIC (req->sv2);
300	PUSHs (sv_2mortal (newSViv (req->result)));	459	PUSHs (sv_2mortal (newSViv (req->result)));
		460	}
301	break;	461	break;
302		462
303	case EIO_DUP2:	463	case EIO_DUP2:
304	if (req->result > 0)	464	if (req->result > 0)
305	req->result = 0;	465	req->result = 0;
…		…
351	grp->sv2 = 0;	511	grp->sv2 = 0;
352		512
353	eio_grp_cancel (grp);	513	eio_grp_cancel (grp);
354	}	514	}
355		515
356	#ifdef USE_SOCKETS_AS_HANDLES
357	# define TO_SOCKET(x) (win32_get_osfhandle (x))
358	#else
359	# define TO_SOCKET(x) (x)
360	#endif
361
362	static void	516	static void
363	create_respipe (void)	517	create_respipe (void)
364	{	518	{
365	int old_readfd = respipe [0];
366
367	if (respipe [1] >= 0)
368	respipe_close (TO_SOCKET (respipe [1]));
369
370	#ifdef _WIN32
371	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
372	#else
373	if (pipe (respipe))	519	if (s_epipe_renew (&respipe))
374	#endif
375	croak ("unable to initialize result pipe");	520	croak ("IO::AIO: unable to initialize result pipe");
376
377	if (old_readfd >= 0)
378	{
379	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
380	croak ("unable to initialize result pipe(2)");
381
382	respipe_close (respipe [0]);
383	respipe [0] = old_readfd;
384	}
385
386	#ifdef _WIN32
387	int arg = 1;
388	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
389	\|\| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
390	#else
391	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
392	\|\| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
393	#endif
394	croak ("unable to initialize result pipe(3)");
395
396	respipe_osf [0] = TO_SOCKET (respipe [0]);
397	respipe_osf [1] = TO_SOCKET (respipe [1]);
398	}	521	}
399		522
400	static void poll_wait (void)	523	static void poll_wait (void)
401	{	524	{
402	fd_set rfd;
403
404	while (eio_nreqs ())	525	while (eio_nreqs ())
405	{	526	{
406	int size;	527	int size;
407		528
408	X_LOCK (reslock);	529	X_LOCK (reslock);
…		…
410	X_UNLOCK (reslock);	531	X_UNLOCK (reslock);
411		532
412	if (size)	533	if (size)
413	return;	534	return;
414		535
415	maybe_start_thread ();	536	etp_maybe_start_thread ();
416		537
417	FD_ZERO (&rfd);	538	s_epipe_wait (&respipe);
418	FD_SET (respipe [0], &rfd);
419
420	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
421	}	539	}
422	}	540	}
423		541
424	static int poll_cb (void)	542	static int poll_cb (void)
425	{	543	{
426	int res;	544	for (;;)
427
428	do
429	{	545	{
430	res = eio_poll ();	546	int res = eio_poll ();
431		547
432	if (res > 0)	548	if (res > 0)
433	croak (0);	549	croak (0);
		550
		551	if (!max_outstanding \|\| max_outstanding > eio_nreqs ())
		552	return res;
		553
		554	poll_wait ();
434	}	555	}
435	while (max_outstanding && max_outstanding <= eio_nreqs ());
436
437	return res;
438	}	556	}
439		557
440	static void atfork_child (void)	558	static void atfork_child (void)
441	{	559	{
442	create_respipe ();	560	create_respipe ();
443	}	561	}
444		562
		563	static SV *
		564	get_cb (SV *cb_sv)
		565	{
		566	SvGETMAGIC (cb_sv);
		567	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
		568	}
		569
445	#define dREQ \	570	#define dREQ \
		571	SV *cb_cv; \
446	aio_req req; \	572	aio_req req; \
447	int req_pri = next_pri; \	573	int req_pri = next_pri; \
448	next_pri = EIO_PRI_DEFAULT; \	574	next_pri = EIO_PRI_DEFAULT; \
449	\	575	\
450	if (SvOK (callback) && !SvROK (callback)) \	576	cb_cv = get_cb (callback); \
451	croak ("callback must be undef or of reference type"); \
452	\	577	\
453	Newz (0, req, 1, eio_req); \	578	Newz (0, req, 1, eio_req); \
454	if (!req) \	579	if (!req) \
455	croak ("out of memory during eio_req allocation"); \	580	croak ("out of memory during eio_req allocation"); \
456	\	581	\
457	req->callback = newSVsv (callback); \	582	req->callback = SvREFCNT_inc (cb_cv); \
458	req->pri = req_pri	583	req->pri = req_pri
459		584
460	#define REQ_SEND \	585	#define REQ_SEND \
		586	PUTBACK; \
461	req_submit (req); \	587	req_submit (req); \
		588	SPAGAIN; \
462	\	589	\
463	if (GIMME_V != G_VOID) \	590	if (GIMME_V != G_VOID) \
464	XPUSHs (req_sv (req, AIO_REQ_KLASS));	591	XPUSHs (req_sv (req, aio_req_stash));
465		592
466	MODULE = IO::AIO PACKAGE = IO::AIO	593	MODULE = IO::AIO PACKAGE = IO::AIO
467		594
468	PROTOTYPES: ENABLE	595	PROTOTYPES: ENABLE
469		596
470	BOOT:	597	BOOT:
471	{	598	{
472	stash = gv_stashpv ("IO::AIO", 1);	599	static const struct {
473		600	const char *name;
474	newCONSTSUB (stash, "EXDEV", newSViv (EXDEV));	601	IV iv;
475	newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY));	602	} *civ, const_iv[] = {
476	newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY));	603	# define const_iv(name, value) { # name, (IV) value },
477	newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT));	604	# define const_eio(name) { # name, (IV) EIO_ ## name },
478	newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC));	605	const_iv (EXDEV , EXDEV)
		606	const_iv (ENOSYS , ENOSYS)
		607	const_iv (O_RDONLY, O_RDONLY)
		608	const_iv (O_WRONLY, O_WRONLY)
		609	const_iv (O_CREAT , O_CREAT)
		610	const_iv (O_TRUNC , O_TRUNC)
479	#ifdef _WIN32	611	#ifndef _WIN32
480	X_MUTEX_CHECK (wrklock);	612	const_iv (S_IFIFO , S_IFIFO)
481	X_MUTEX_CHECK (reslock);
482	X_MUTEX_CHECK (reqlock);
483	X_MUTEX_CHECK (reqwait);
484	X_MUTEX_CHECK (preadwritelock);
485	X_MUTEX_CHECK (readdirlock);
486
487	X_COND_CHECK (reqwait);
488	#else
489	newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));
490	#endif	613	#endif
		614	const_iv (FADV_NORMAL , POSIX_FADV_NORMAL)
		615	const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		616	const_iv (FADV_RANDOM , POSIX_FADV_RANDOM)
		617	const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		618	const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		619	const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
491		620
		621	const_iv (ST_RDONLY , ST_RDONLY)
		622	const_iv (ST_NOSUID , ST_NOSUID)
		623	const_iv (ST_NODEV , ST_NODEV)
		624	const_iv (ST_NOEXEC , ST_NOEXEC)
		625	const_iv (ST_SYNCHRONOUS , ST_SYNCHRONOUS)
		626	const_iv (ST_MANDLOCK , ST_MANDLOCK)
		627	const_iv (ST_WRITE , ST_WRITE)
		628	const_iv (ST_APPEND , ST_APPEND)
		629	const_iv (ST_IMMUTABLE , ST_IMMUTABLE)
		630	const_iv (ST_NOATIME , ST_NOATIME)
		631	const_iv (ST_NODIRATIME , ST_NODIRATIME)
		632	const_iv (ST_RELATIME , ST_RELATIME)
		633
		634	const_eio (MS_ASYNC)
		635	const_eio (MS_INVALIDATE)
		636	const_eio (MS_SYNC)
		637
		638	const_eio (MT_MODIFY)
		639
		640	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
		641	const_eio (SYNC_FILE_RANGE_WRITE)
		642	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		643
		644	const_eio (READDIR_DENTS)
		645	const_eio (READDIR_DIRS_FIRST)
		646	const_eio (READDIR_STAT_ORDER)
		647	const_eio (READDIR_FOUND_UNKNOWN)
		648
		649	const_eio (DT_UNKNOWN)
		650	const_eio (DT_FIFO)
		651	const_eio (DT_CHR)
		652	const_eio (DT_DIR)
		653	const_eio (DT_BLK)
		654	const_eio (DT_REG)
		655	const_eio (DT_LNK)
		656	const_eio (DT_SOCK)
		657	const_eio (DT_WHT)
		658	};
		659
		660	aio_stash = gv_stashpv ("IO::AIO" , 1);
		661	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
		662	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		663
		664	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
		665	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
		666
492	create_respipe ();	667	create_respipe ();
493		668
494	if (eio_init (want_poll, done_poll) < 0)	669	if (eio_init (want_poll, done_poll) < 0)
495	croak ("IO::AIO: unable to initialise eio library");	670	croak ("IO::AIO: unable to initialise eio library");
496		671
497	/* atfork child called in fifo order, so before eio's handler */	672	/* atfork child called in fifo order, so before eio's handler */
498	X_THREAD_ATFORK (0, 0, atfork_child);	673	X_THREAD_ATFORK (0, 0, atfork_child);
499	}	674	}
500		675
501	void	676	void
502	max_poll_reqs (int nreqs)	677	max_poll_reqs (int nreqs)
503	PROTOTYPE: $	678	PROTOTYPE: $
…		…
556	ALIAS:	731	ALIAS:
557	aio_fsync = EIO_FSYNC	732	aio_fsync = EIO_FSYNC
558	aio_fdatasync = EIO_FDATASYNC	733	aio_fdatasync = EIO_FDATASYNC
559	PPCODE:	734	PPCODE:
560	{	735	{
		736	int fd = s_fileno_croak (fh, 0);
561	dREQ;	737	dREQ;
562		738
563	req->type = ix;	739	req->type = ix;
564	req->sv1 = newSVsv (fh);	740	req->sv1 = newSVsv (fh);
565	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	741	req->int1 = fd;
		742
		743	REQ_SEND (req);
		744	}
		745
		746	void
		747	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback=&PL_sv_undef)
		748	PROTOTYPE: $$$$;$
		749	PPCODE:
		750	{
		751	int fd = s_fileno_croak (fh, 0);
		752	dREQ;
		753
		754	req->type = EIO_SYNC_FILE_RANGE;
		755	req->sv1 = newSVsv (fh);
		756	req->int1 = fd;
		757	req->offs = offset;
		758	req->size = nbytes;
		759	req->int2 = flags;
566		760
567	REQ_SEND (req);	761	REQ_SEND (req);
568	}	762	}
569		763
570	void	764	void
571	aio_close (SV fh, SV callback=&PL_sv_undef)	765	aio_close (SV fh, SV callback=&PL_sv_undef)
572	PROTOTYPE: $;$	766	PROTOTYPE: $;$
573	PPCODE:	767	PPCODE:
574	{	768	{
575	static int close_pipe = -1; /* dummy fd to close fds via dup2 */	769	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
		770	int fd = s_fileno_croak (fh, 0);
576	dREQ;	771	dREQ;
577		772
578	if (close_pipe < 0)	773	if (close_pipe < 0)
579	{	774	{
580	int pipefd [2];	775	int pipefd [2];
…		…
588	}	783	}
589		784
590	req->type = EIO_DUP2;	785	req->type = EIO_DUP2;
591	req->int1 = close_pipe;	786	req->int1 = close_pipe;
592	req->sv2 = newSVsv (fh);	787	req->sv2 = newSVsv (fh);
593	req->int2 = PerlIO_fileno (IoIFP (sv_2io (fh)));	788	req->int2 = fd;
594		789
595	REQ_SEND (req);	790	REQ_SEND (req);
596	}	791	}
597		792
598	void	793	void
…		…
602	aio_write = EIO_WRITE	797	aio_write = EIO_WRITE
603	PROTOTYPE: $$$$$;$	798	PROTOTYPE: $$$$$;$
604	PPCODE:	799	PPCODE:
605	{	800	{
606	STRLEN svlen;	801	STRLEN svlen;
		802	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
607	char *svptr = SvPVbyte (data, svlen);	803	char *svptr = SvPVbyte (data, svlen);
608	UV len = SvUV (length);	804	UV len = SvUV (length);
609
610	SvUPGRADE (data, SVt_PV);
611	SvPOK_on (data);
612		805
613	if (dataoffset < 0)	806	if (dataoffset < 0)
614	dataoffset += svlen;	807	dataoffset += svlen;
615		808
616	if (dataoffset < 0 \|\| dataoffset > svlen)	809	if (dataoffset < 0 \|\| dataoffset > svlen)
…		…
622	if (!SvOK (length) \|\| len + dataoffset > svlen)	815	if (!SvOK (length) \|\| len + dataoffset > svlen)
623	len = svlen - dataoffset;	816	len = svlen - dataoffset;
624	}	817	}
625	else	818	else
626	{	819	{
627	/* read: grow scalar as necessary */	820	/* read: check type and grow scalar as necessary */
		821	SvUPGRADE (data, SVt_PV);
628	svptr = SvGROW (data, len + dataoffset + 1);	822	svptr = SvGROW (data, len + dataoffset + 1);
629	}	823	}
630
631	if (len < 0)
632	croak ("length must not be negative");
633		824
634	{	825	{
635	dREQ;	826	dREQ;
636		827
637	req->type = ix;	828	req->type = ix;
638	req->sv1 = newSVsv (fh);	829	req->sv1 = newSVsv (fh);
639	req->int1 = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh))	830	req->int1 = fd;
640	: IoOFP (sv_2io (fh)));
641	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	831	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
642	req->size = len;	832	req->size = len;
643	req->sv2 = SvREFCNT_inc (data);	833	req->sv2 = SvREFCNT_inc (data);
644	req->ptr2 = (char *)svptr + dataoffset;	834	req->ptr2 = (char *)svptr + dataoffset;
645	req->stroffset = dataoffset;	835	req->stroffset = dataoffset;
…		…
668		858
669	REQ_SEND;	859	REQ_SEND;
670	}	860	}
671		861
672	void	862	void
673	aio_sendfile (SV out_fh, SV in_fh, SV in_offset, UV length, SV callback=&PL_sv_undef)	863	aio_sendfile (SV out_fh, SV in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
674	PROTOTYPE: $$$$;$	864	PROTOTYPE: $$$$;$
675	PPCODE:	865	PPCODE:
676	{	866	{
		867	int ifd = s_fileno_croak (in_fh , 0);
		868	int ofd = s_fileno_croak (out_fh, 1);
677	dREQ;	869	dREQ;
678		870
679	req->type = EIO_SENDFILE;	871	req->type = EIO_SENDFILE;
680	req->sv1 = newSVsv (out_fh);	872	req->sv1 = newSVsv (out_fh);
681	req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh)));	873	req->int1 = ofd;
682	req->sv2 = newSVsv (in_fh);	874	req->sv2 = newSVsv (in_fh);
683	req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));	875	req->int2 = ifd;
684	req->offs = SvVAL64 (in_offset);	876	req->offs = in_offset;
685	req->size = length;	877	req->size = length;
686		878
687	REQ_SEND;	879	REQ_SEND;
688	}	880	}
689		881
690	void	882	void
691	aio_readahead (SV fh, SV offset, IV length, SV *callback=&PL_sv_undef)	883	aio_readahead (SV fh, off_t offset, size_t length, SV callback=&PL_sv_undef)
692	PROTOTYPE: $$$;$	884	PROTOTYPE: $$$;$
693	PPCODE:	885	PPCODE:
694	{	886	{
		887	int fd = s_fileno_croak (fh, 0);
695	dREQ;	888	dREQ;
696		889
697	req->type = EIO_READAHEAD;	890	req->type = EIO_READAHEAD;
698	req->sv1 = newSVsv (fh);	891	req->sv1 = newSVsv (fh);
699	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	892	req->int1 = fd;
700	req->offs = SvVAL64 (offset);	893	req->offs = offset;
701	req->size = length;	894	req->size = length;
702		895
703	REQ_SEND;	896	REQ_SEND;
704	}	897	}
705		898
706	void	899	void
707	aio_stat (SV8 fh_or_path, SV callback=&PL_sv_undef)	900	aio_stat (SV8 fh_or_path, SV callback=&PL_sv_undef)
708	ALIAS:	901	ALIAS:
709	aio_stat = EIO_STAT	902	aio_stat = EIO_STAT
710	aio_lstat = EIO_LSTAT	903	aio_lstat = EIO_LSTAT
		904	aio_statvfs = EIO_STATVFS
711	PPCODE:	905	PPCODE:
712	{	906	{
713	dREQ;	907	dREQ;
714		908
715	req->sv1 = newSVsv (fh_or_path);	909	req->sv1 = newSVsv (fh_or_path);
…		…
719	req->type = ix;	913	req->type = ix;
720	req->ptr1 = SvPVbyte_nolen (req->sv1);	914	req->ptr1 = SvPVbyte_nolen (req->sv1);
721	}	915	}
722	else	916	else
723	{	917	{
724	req->type = EIO_FSTAT;	918	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
725	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	919	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
726	}	920	}
727		921
728	REQ_SEND;	922	REQ_SEND;
729	}	923	}
…		…
821	req->type = EIO_FCHOWN;	1015	req->type = EIO_FCHOWN;
822	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	1016	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
823	}	1017	}
824		1018
825	REQ_SEND;	1019	REQ_SEND;
		1020	}
		1021
		1022	void
		1023	aio_readdirx (SV8 pathname, IV flags, SV callback=&PL_sv_undef)
		1024	PPCODE:
		1025	{
		1026	dREQ;
		1027
		1028	req->type = EIO_READDIR;
		1029	req->sv1 = newSVsv (pathname);
		1030	req->ptr1 = SvPVbyte_nolen (req->sv1);
		1031	req->int1 = flags \| EIO_READDIR_DENTS \| EIO_READDIR_CUSTOM1;
		1032
		1033	if (flags & EIO_READDIR_DENTS)
		1034	req->int1 \|= EIO_READDIR_CUSTOM2;
		1035
		1036	REQ_SEND;
826	}	1037	}
827		1038
828	void	1039	void
829	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)	1040	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)
830	ALIAS:	1041	ALIAS:
…		…
875		1086
876	REQ_SEND;	1087	REQ_SEND;
877	}	1088	}
878		1089
879	void	1090	void
		1091	aio_mtouch (SV8 data, IV offset = 0, SV length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
		1092	ALIAS:
		1093	aio_mtouch = EIO_MTOUCH
		1094	aio_msync = EIO_MSYNC
		1095	PROTOTYPE: $$$$;$
		1096	PPCODE:
		1097	{
		1098	STRLEN svlen;
		1099	UV len = SvUV (length);
		1100	char *svptr = SvPVbyte (data, svlen);
		1101
		1102	if (offset < 0)
		1103	offset += svlen;
		1104
		1105	if (offset < 0 \|\| offset > svlen)
		1106	croak ("offset outside of scalar");
		1107
		1108	if (!SvOK (length) \|\| len + offset > svlen)
		1109	len = svlen - offset;
		1110
		1111	{
		1112	dREQ;
		1113
		1114	req->type = ix;
		1115	req->size = len;
		1116	req->sv2 = SvREFCNT_inc (data);
		1117	req->ptr2 = (char *)svptr + offset;
		1118	req->int1 = flags;
		1119
		1120	REQ_SEND;
		1121	}
		1122	}
		1123
		1124	void
880	aio_busy (double delay, SV *callback=&PL_sv_undef)	1125	aio_busy (double delay, SV *callback=&PL_sv_undef)
881	PPCODE:	1126	PPCODE:
882	{	1127	{
883	dREQ;	1128	dREQ;
884		1129
…		…
895	{	1140	{
896	dREQ;	1141	dREQ;
897		1142
898	req->type = EIO_GROUP;	1143	req->type = EIO_GROUP;
899		1144
900	eio_submit (req);	1145	req_submit (req);
901	XPUSHs (req_sv (req, AIO_GRP_KLASS));	1146	XPUSHs (req_sv (req, aio_grp_stash));
902	}	1147	}
903		1148
904	void	1149	void
905	aio_nop (SV *callback=&PL_sv_undef)	1150	aio_nop (SV *callback=&PL_sv_undef)
906	ALIAS:	1151	ALIAS:
…		…
958		1203
959	int	1204	int
960	poll_fileno()	1205	poll_fileno()
961	PROTOTYPE:	1206	PROTOTYPE:
962	CODE:	1207	CODE:
963	RETVAL = respipe [0];	1208	RETVAL = s_epipe_fd (&respipe);
964	OUTPUT:	1209	OUTPUT:
965	RETVAL	1210	RETVAL
966		1211
967	int	1212	int
968	poll_cb(...)	1213	poll_cb(...)
…		…
1004		1249
1005	int	1250	int
1006	nthreads()	1251	nthreads()
1007	PROTOTYPE:	1252	PROTOTYPE:
1008	CODE:	1253	CODE:
1009	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);	1254	RETVAL = eio_nthreads ();
1010	RETVAL = started;
1011	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1012	OUTPUT:	1255	OUTPUT:
1013	RETVAL	1256	RETVAL
1014		1257
		1258	int
		1259	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
		1260	PROTOTYPE: $$$$
		1261	CODE:
		1262	#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
		1263	RETVAL = posix_fadvise (fh, offset, length, advice);
		1264	#else
		1265	RETVAL = errno = ENOSYS;
		1266	#endif
		1267	OUTPUT:
		1268	RETVAL
		1269
		1270	ssize_t
		1271	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
		1272	PROTOTYPE: $$$$
		1273	CODE:
		1274	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
		1275	OUTPUT:
		1276	RETVAL
		1277
1015	void _on_next_submit (SV *cb)	1278	void _on_next_submit (SV *cb)
1016	CODE:	1279	CODE:
1017	SvREFCNT_dec (on_next_submit);	1280	SvREFCNT_dec (on_next_submit);
1018	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1281	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1019		1282
…		…
1026	CODE:	1289	CODE:
1027	eio_cancel (req);	1290	eio_cancel (req);
1028		1291
1029	void	1292	void
1030	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	1293	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)
1031	CODE:	1294	PPCODE:
		1295	{
		1296	if (GIMME_V != G_VOID)
		1297	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
		1298
		1299	if (items > 1)
		1300	{
		1301	SV *cb_cv =get_cb (callback);
		1302
1032	SvREFCNT_dec (req->callback);	1303	SvREFCNT_dec (req->callback);
1033	req->callback = newSVsv (callback);	1304	req->callback = SvREFCNT_inc (cb_cv);
		1305	}
		1306	}
1034		1307
1035	MODULE = IO::AIO PACKAGE = IO::AIO::GRP	1308	MODULE = IO::AIO PACKAGE = IO::AIO::GRP
1036		1309
1037	void	1310	void
1038	add (aio_req grp, ...)	1311	add (aio_req grp, ...)
…		…
1070	AV *av;	1343	AV *av;
1071		1344
1072	grp->errorno = errno;	1345	grp->errorno = errno;
1073		1346
1074	av = newAV ();	1347	av = newAV ();
		1348	av_extend (av, items - 1);
1075		1349
1076	for (i = 1; i < items; ++i )	1350	for (i = 1; i < items; ++i )
1077	av_push (av, newSVsv (ST (i)));	1351	av_push (av, newSVsv (ST (i)));
1078		1352
1079	SvREFCNT_dec (grp->sv1);	1353	SvREFCNT_dec (grp->sv1);
…		…
1093	void	1367	void
1094	feed (aio_req grp, SV *callback=&PL_sv_undef)	1368	feed (aio_req grp, SV *callback=&PL_sv_undef)
1095	CODE:	1369	CODE:
1096	{	1370	{
1097	SvREFCNT_dec (grp->sv2);	1371	SvREFCNT_dec (grp->sv2);
1098	grp->sv2 = newSVsv (callback);	1372	grp->sv2 = newSVsv (callback);
		1373	grp->feed = aio_grp_feed;
1099		1374
1100	if (grp->int2 <= 0)	1375	if (grp->int2 <= 0)
1101	grp->int2 = 2;	1376	grp->int2 = 2;
1102		1377
1103	eio_grp_limit (grp, grp->int2);	1378	eio_grp_limit (grp, grp->int2);

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Comparing IO-AIO/AIO.xs (file contents): Revision 1.121 by root, Tue May 13 18:50:27 2008 UTC vs. Revision 1.160 by root, Thu Jan 7 18:25:51 2010 UTC

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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.121 by root, Tue May 13 18:50:27 2008 UTC vs.
Revision 1.160 by root, Thu Jan 7 18:25:51 2010 UTC