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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.140 by root, Wed Jun 3 12:24:49 2009 UTC vs.
Revision 1.164 by root, Tue May 4 21:14:01 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>
		20
		21	#if _POSIX_MEMLOCK \|\| _POSIX_MAPPED_FILES
		22	# include <sys/mman.h>
		23	#endif
17		24
18	/* perl namespace pollution */	25	/* perl namespace pollution */
19	#undef VERSION	26	#undef VERSION
20		27
21	#ifdef _WIN32	28	#ifdef _WIN32
…		…
75		82
76	#define EIO_STRUCT_STAT Stat_t	83	#define EIO_STRUCT_STAT Stat_t
77		84
78	/* use NV for 32 bit perls as it allows larger offsets */	85	/* use NV for 32 bit perls as it allows larger offsets */
79	#if IVSIZE >= 8	86	#if IVSIZE >= 8
		87	# define VAL64 IV
80	# define SvVAL64 SvIV	88	# define SvVAL64 SvIV
		89	# define newSVval64 newSViv
81	#else	90	#else
		91	# define VAL64 NV
82	# define SvVAL64 SvNV	92	# define SvVAL64 SvNV
		93	# define newSVval64 newSVnv
83	#endif	94	#endif
84		95
85	/*****************************************************************************/	96	/*****************************************************************************/
86		97
87	#if __GNUC__ >= 3	98	#if __GNUC__ >= 3
…		…
93	#define expect_false(expr) expect ((expr) != 0, 0)	104	#define expect_false(expr) expect ((expr) != 0, 0)
94	#define expect_true(expr) expect ((expr) != 0, 1)	105	#define expect_true(expr) expect ((expr) != 0, 1)
95		106
96	/*****************************************************************************/	107	/*****************************************************************************/
97		108
98	static HV *stash;
99	typedef SV SV8; /* byte-sv, used for argument-checking */	109	typedef SV SV8; /* byte-sv, used for argument-checking */
		110	typedef int aio_rfd; /* read file desriptor */
		111	typedef int aio_wfd; /* write file descriptor */
100		112
101	#define AIO_REQ_KLASS "IO::AIO::REQ"	113	static HV aio_stash, aio_req_stash, *aio_grp_stash;
102	#define AIO_GRP_KLASS "IO::AIO::GRP"
103		114
104	#define EIO_REQ_MEMBERS \	115	#define EIO_REQ_MEMBERS \
105	SV *callback; \	116	SV *callback; \
106	SV sv1, sv2; \	117	SV sv1, sv2; \
107	STRLEN stroffset; \	118	STRLEN stroffset; \
…		…
109		120
110	#define EIO_NO_WRAPPERS 1	121	#define EIO_NO_WRAPPERS 1
111		122
112	#include "libeio/eio.h"	123	#include "libeio/eio.h"
113		124
		125	#ifndef POSIX_FADV_NORMAL
		126	# define POSIX_FADV_NORMAL 0
		127	# define NO_FADVISE 1
		128	#endif
		129	#ifndef POSIX_FADV_SEQUENTIAL
		130	# define POSIX_FADV_SEQUENTIAL 0
		131	#endif
		132	#ifndef POSIX_FADV_RANDOM
		133	# define POSIX_FADV_RANDOM 0
		134	#endif
		135	#ifndef POSIX_FADV_NOREUSE
		136	# define POSIX_FADV_NOREUSE 0
		137	#endif
		138	#ifndef POSIX_FADV_WILLNEED
		139	# define POSIX_FADV_WILLNEED 0
		140	#endif
		141	#ifndef POSIX_FADV_DONTNEED
		142	# define POSIX_FADV_DONTNEED 0
		143	#endif
		144
		145	#ifndef ST_NODEV
		146	# define ST_NODEV 0
		147	#endif
		148	#ifndef ST_NOEXEC
		149	# define ST_NOEXEC 0
		150	#endif
		151	#ifndef ST_SYNCHRONOUS
		152	# define ST_SYNCHRONOUS 0
		153	#endif
		154	#ifndef ST_MANDLOCK
		155	# define ST_MANDLOCK 0
		156	#endif
		157	#ifndef ST_WRITE
		158	# define ST_WRITE 0
		159	#endif
		160	#ifndef ST_APPEND
		161	# define ST_APPEND 0
		162	#endif
		163	#ifndef ST_IMMUTABLE
		164	# define ST_IMMUTABLE 0
		165	#endif
		166	#ifndef ST_NOATIME
		167	# define ST_NOATIME 0
		168	#endif
		169	#ifndef ST_NODIRATIME
		170	# define ST_NODIRATIME 0
		171	#endif
		172	#ifndef ST_RELATIME
		173	# define ST_RELATIME 0
		174	#endif
		175
		176	#ifndef MCL_CURRENT
		177	# define MCL_CURRENT 0
		178	#endif
		179	#ifndef MCL_FUTURE
		180	# define MCL_FUTURE 0
		181	#endif
		182
		183	#ifndef MAP_ANONYMOUS
		184	# ifdef MAP_ANON
		185	# define MAP_ANONYMOUS MAP_ANON
		186	# else
		187	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
		188	# endif
		189	#endif
		190	#ifndef MAP_HUGETLB
		191	# define MAP_HUGETLB 0
		192	#endif
		193	#ifndef MAP_LOCKED
		194	# define MAP_LOCKED 0
		195	#endif
		196	#ifndef MAP_NORESERVE
		197	# define MAP_NORESERVE 0
		198	#endif
		199	#ifndef MAP_POPULATE
		200	# define MAP_POPULATE 0
		201	#endif
		202	#ifndef MAP_NONBLOCK
		203	# define MAP_NONBLOCK 0
		204	#endif
		205
		206	#ifndef PAGESIZE
		207	# define PAGESIZE sysconf (_SC_PAGESIZE)
		208	#endif
		209
114	static int req_invoke (eio_req *req);	210	static int req_invoke (eio_req *req);
115	#define EIO_FINISH(req) req_invoke (req)	211	#define EIO_FINISH(req) req_invoke (req)
116	static void req_destroy (eio_req *grp);	212	static void req_destroy (eio_req *grp);
117	#define EIO_DESTROY(req) req_destroy (req)	213	#define EIO_DESTROY(req) req_destroy (req)
118		214
…		…
127		223
128	static SV *on_next_submit;	224	static SV *on_next_submit;
129	static int next_pri = EIO_PRI_DEFAULT;	225	static int next_pri = EIO_PRI_DEFAULT;
130	static int max_outstanding;	226	static int max_outstanding;
131		227
132	static int respipe_osf [2], respipe [2] = { -1, -1 };	228	static s_epipe respipe;
133		229
134	static void req_destroy (aio_req req);	230	static void req_destroy (aio_req req);
135	static void req_cancel (aio_req req);	231	static void req_cancel (aio_req req);
136		232
137	static void want_poll (void)	233	static void want_poll (void)
138	{	234	{
139	/* write a dummy byte to the pipe so fh becomes ready */	235	/* write a dummy byte to the pipe so fh becomes ready */
140	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);	236	s_epipe_signal (&respipe);
141	}	237	}
142		238
143	static void done_poll (void)	239	static void done_poll (void)
144	{	240	{
145	/* read any signals sent by the worker threads */	241	/* read any signals sent by the worker threads */
146	char buf [4];	242	s_epipe_drain (&respipe);
147	while (respipe_read (respipe [0], buf, 4) == 4)
148	;
149	}	243	}
150		244
151	/* must be called at most once */	245	/* must be called at most once */
152	static SV req_sv (aio_req req, const char klass)	246	static SV req_sv (aio_req req, HV stash)
153	{	247	{
154	if (!req->self)	248	if (!req->self)
155	{	249	{
156	req->self = (SV *)newHV ();	250	req->self = (SV *)newHV ();
157	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	251	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
158	}	252	}
159		253
160	return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1)));	254	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
161	}	255	}
162		256
163	static aio_req SvAIO_REQ (SV *sv)	257	static aio_req SvAIO_REQ (SV *sv)
164	{	258	{
165	MAGIC *mg;	259	MAGIC *mg;
166		260
167	if (!sv_derived_from (sv, AIO_REQ_KLASS) \|\| !SvROK (sv))	261	if (!SvROK (sv)
		262	\|\| (SvSTASH (SvRV (sv)) != aio_grp_stash
		263	&& SvSTASH (SvRV (sv)) != aio_req_stash
		264	&& !sv_derived_from (sv, "IO::AIO::REQ")))
168	croak ("object of class " AIO_REQ_KLASS " expected");	265	croak ("object of class IO::AIO::REQ expected");
169		266
170	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	267	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
171		268
172	return mg ? (aio_req)mg->mg_ptr : 0;	269	return mg ? (aio_req)mg->mg_ptr : 0;
173	}	270	}
…		…
179	dSP;	276	dSP;
180		277
181	ENTER;	278	ENTER;
182	SAVETMPS;	279	SAVETMPS;
183	PUSHMARK (SP);	280	PUSHMARK (SP);
184	XPUSHs (req_sv (grp, AIO_GRP_KLASS));	281	XPUSHs (req_sv (grp, aio_grp_stash));
185	PUTBACK;	282	PUTBACK;
186	call_sv (grp->sv2, G_VOID \| G_EVAL \| G_KEEPERR);	283	call_sv (grp->sv2, G_VOID \| G_EVAL \| G_KEEPERR);
187	SPAGAIN;	284	SPAGAIN;
188	FREETMPS;	285	FREETMPS;
189	LEAVE;	286	LEAVE;
…		…
228	SV *rv = &PL_sv_undef;	325	SV *rv = &PL_sv_undef;
229		326
230	if (req->result >= 0)	327	if (req->result >= 0)
231	{	328	{
232	int i;	329	int i;
233	char *buf = req->ptr2;	330	char names = (char )req->ptr2;
		331	eio_dirent ent = (eio_dirent )req->ptr1; /* might be 0 */
234	AV *av = newAV ();	332	AV *av = newAV ();
235		333
236	av_extend (av, req->result - 1);	334	av_extend (av, req->result - 1);
237		335
238	for (i = 0; i < req->result; ++i)	336	for (i = 0; i < req->result; ++i)
239	{	337	{
240	SV *sv = newSVpv (buf, 0);	338	if (req->int1 & EIO_READDIR_DENTS)
		339	{
		340	SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen);
241		341
		342	if (req->int1 & EIO_READDIR_CUSTOM2)
		343	{
		344	static SV sv_type [EIO_DT_MAX + 1]; / type sv cache */
		345	AV *avent = newAV ();
		346
		347	av_extend (avent, 2);
		348
		349	if (!sv_type [ent->type])
		350	{
		351	sv_type [ent->type] = newSViv (ent->type);
		352	SvREADONLY_on (sv_type [ent->type]);
		353	}
		354
		355	av_store (avent, 0, namesv);
		356	av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type]));
		357	av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode));
		358
		359	av_store (av, i, newRV_noinc ((SV *)avent));
		360	}
		361	else
242	av_store (av, i, sv);	362	av_store (av, i, namesv);
		363
		364	++ent;
		365	}
		366	else
		367	{
		368	SV *name = newSVpv (names, 0);
		369	av_store (av, i, name);
243	buf += SvCUR (sv) + 1;	370	names += SvCUR (name) + 1;
		371	}
244	}	372	}
245		373
246	rv = sv_2mortal (newRV_noinc ((SV *)av));	374	rv = sv_2mortal (newRV_noinc ((SV *)av));
247	}	375	}
248		376
249	PUSHs (rv);	377	PUSHs (rv);
		378
		379	if (req->int1 & EIO_READDIR_CUSTOM1)
		380	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 \| EIO_READDIR_CUSTOM2))));
250	}	381	}
251	break;	382	break;
252		383
253	case EIO_OPEN:	384	case EIO_OPEN:
254	{	385	{
…		…
260	GV gv = (GV )sv_newmortal ();	391	GV gv = (GV )sv_newmortal ();
261	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);	392	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);
262	char sym [64];	393	char sym [64];
263	int symlen;	394	int symlen;
264		395
265	symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result);	396	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
266	gv_init (gv, stash, sym, symlen, 0);	397	gv_init (gv, aio_stash, sym, symlen, 0);
267		398
268	symlen = snprintf (	399	symlen = snprintf (
269	sym,	400	sym,
270	sizeof (sym),	401	sizeof (sym),
271	"%s&=%d",	402	"%s&=%d",
272	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",	403	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
273	req->result	404	(int)req->result
274	);	405	);
275		406
276	if (do_open (gv, sym, symlen, 0, 0, 0, 0))	407	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
277	fh = (SV *)gv;	408	fh = (SV *)gv;
278	}	409	}
279		410
280	PUSHs (fh);	411	PUSHs (fh);
281	}	412	}
		413	break;
		414
		415	case EIO_STATVFS:
		416	case EIO_FSTATVFS:
		417	{
		418	SV *rv = &PL_sv_undef;
		419
		420	if (req->result >= 0)
		421	{
		422	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
		423	HV *hv = newHV ();
		424
		425	rv = sv_2mortal (newRV_noinc ((SV *)hv));
		426
		427	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
		428	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
		429	hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
		430	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
		431	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
		432	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
		433	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
		434	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
		435	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
		436	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
		437	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
		438	}
		439
		440	PUSHs (rv);
		441	}
		442
282	break;	443	break;
283		444
284	case EIO_GROUP:	445	case EIO_GROUP:
285	req->int1 = 2; /* mark group as finished */	446	req->int1 = 2; /* mark group as finished */
286		447
…		…
374	grp->sv2 = 0;	535	grp->sv2 = 0;
375		536
376	eio_grp_cancel (grp);	537	eio_grp_cancel (grp);
377	}	538	}
378		539
379	#ifdef USE_SOCKETS_AS_HANDLES
380	# define TO_SOCKET(x) (win32_get_osfhandle (x))
381	#else
382	# define TO_SOCKET(x) (x)
383	#endif
384
385	static void	540	static void
386	create_respipe (void)	541	create_respipe (void)
387	{	542	{
388	int old_readfd = respipe [0];
389
390	if (respipe [1] >= 0)
391	respipe_close (TO_SOCKET (respipe [1]));
392
393	#ifdef _WIN32
394	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
395	#else
396	if (pipe (respipe))	543	if (s_epipe_renew (&respipe))
397	#endif
398	croak ("unable to initialize result pipe");	544	croak ("IO::AIO: unable to initialize result pipe");
399
400	if (old_readfd >= 0)
401	{
402	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
403	croak ("unable to initialize result pipe(2)");
404
405	respipe_close (respipe [0]);
406	respipe [0] = old_readfd;
407	}
408
409	#ifdef _WIN32
410	int arg = 1;
411	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
412	\|\| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
413	#else
414	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
415	\|\| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
416	#endif
417	croak ("unable to initialize result pipe(3)");
418
419	respipe_osf [0] = TO_SOCKET (respipe [0]);
420	respipe_osf [1] = TO_SOCKET (respipe [1]);
421	}	545	}
422		546
423	static void poll_wait (void)	547	static void poll_wait (void)
424	{	548	{
425	fd_set rfd;
426
427	while (eio_nreqs ())	549	while (eio_nreqs ())
428	{	550	{
429	int size;	551	int size;
430		552
431	X_LOCK (reslock);	553	X_LOCK (reslock);
…		…
435	if (size)	557	if (size)
436	return;	558	return;
437		559
438	etp_maybe_start_thread ();	560	etp_maybe_start_thread ();
439		561
440	FD_ZERO (&rfd);	562	s_epipe_wait (&respipe);
441	FD_SET (respipe [0], &rfd);
442
443	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
444	}	563	}
445	}	564	}
446		565
447	static int poll_cb (void)	566	static int poll_cb (void)
448	{	567	{
…		…
463	static void atfork_child (void)	582	static void atfork_child (void)
464	{	583	{
465	create_respipe ();	584	create_respipe ();
466	}	585	}
467		586
		587	/*****************************************************************************/
		588
		589	#if !_POSIX_MAPPED_FILES
		590	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
		591	# define munmap(addr,length) (errno = ENOSYS, -1)
		592	#endif
		593
		594	#define MMAP_MAGIC PERL_MAGIC_ext
		595
		596	static int
		597	mmap_free (pTHX_ SV sv, MAGIC mg)
		598	{
		599	int old_errno = errno;
		600	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		601	errno = old_errno;
		602
		603	mg->mg_obj = 0; /* just in case */
		604
		605	SvREADONLY_off (sv);
		606	SvCUR_set (sv, 0);
		607	SvLEN_set (sv, 0);
		608	SvPVX (sv) = 0;
		609	SvOK_off (sv);
		610
		611	return 0;
		612	}
		613
		614	static MGVTBL mmap_vtbl = {
		615	0, 0, 0, 0, mmap_free
		616	};
		617
		618	/*****************************************************************************/
		619
468	static SV *	620	static SV *
469	get_cb (SV *cb_sv)	621	get_cb (SV *cb_sv)
470	{	622	{
471	HV *st;	623	SvGETMAGIC (cb_sv);
472	GV *gvp;	624	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
473	CV *cv;
474
475	if (!SvOK (cb_sv))
476	return 0;
477
478	cv = sv_2cv (cb_sv, &st, &gvp, 0);
479
480	if (!cv)
481	croak ("IO::AIO callback must be undef or a CODE reference");
482
483	return (SV *)cv;
484	}	625	}
485		626
486	#define dREQ \	627	#define dREQ \
487	SV *cb_cv; \	628	SV *cb_cv; \
488	aio_req req; \	629	aio_req req; \
…		…
502	PUTBACK; \	643	PUTBACK; \
503	req_submit (req); \	644	req_submit (req); \
504	SPAGAIN; \	645	SPAGAIN; \
505	\	646	\
506	if (GIMME_V != G_VOID) \	647	if (GIMME_V != G_VOID) \
507	XPUSHs (req_sv (req, AIO_REQ_KLASS));	648	XPUSHs (req_sv (req, aio_req_stash));
508
509	static int
510	extract_fd (SV *fh, int wr)
511	{
512	int fd = PerlIO_fileno (wr ? IoOFP (sv_2io (fh)) : IoIFP (sv_2io (fh)));
513
514	if (fd < 0)
515	croak ("illegal fh argument, either not an OS file or read/write mode mismatch");
516
517	return fd;
518	}
519		649
520	MODULE = IO::AIO PACKAGE = IO::AIO	650	MODULE = IO::AIO PACKAGE = IO::AIO
521		651
522	PROTOTYPES: ENABLE	652	PROTOTYPES: ENABLE
523		653
524	BOOT:	654	BOOT:
525	{	655	{
526	stash = gv_stashpv ("IO::AIO", 1);	656	static const struct {
527		657	const char *name;
528	newCONSTSUB (stash, "EXDEV", newSViv (EXDEV));	658	IV iv;
529	newCONSTSUB (stash, "ENOSYS", newSViv (ENOSYS));	659	} *civ, const_iv[] = {
530	newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY));	660	# define const_niv(name, value) { # name, (IV) value },
531	newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY));	661	# define const_iv(name) { # name, (IV) name },
532	newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT));	662	# define const_eio(name) { # name, (IV) EIO_ ## name },
533	newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC));	663	const_iv (EXDEV)
		664	const_iv (ENOSYS)
		665	const_iv (O_RDONLY)
		666	const_iv (O_WRONLY)
		667	const_iv (O_RDWR)
		668	const_iv (O_CREAT)
		669	const_iv (O_TRUNC)
		670	const_iv (O_EXCL)
		671	const_iv (O_APPEND)
534	#ifndef _WIN32	672	#ifndef _WIN32
535	newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));	673	const_iv (S_IFIFO)
536	#endif	674	#endif
537	newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));	675	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
538	newCONSTSUB (stash, "SYNC_FILE_RANGE_WAIT_BEFORE", newSViv (EIO_SYNC_FILE_RANGE_WAIT_BEFORE));	676	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
539	newCONSTSUB (stash, "SYNC_FILE_RANGE_WRITE" , newSViv (EIO_SYNC_FILE_RANGE_WRITE));	677	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
540	newCONSTSUB (stash, "SYNC_FILE_RANGE_WAIT_AFTER" , newSViv (EIO_SYNC_FILE_RANGE_WAIT_AFTER));	678	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		679	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		680	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
541		681
		682	const_iv (ST_RDONLY)
		683	const_iv (ST_NOSUID)
		684	const_iv (ST_NODEV)
		685	const_iv (ST_NOEXEC)
		686	const_iv (ST_SYNCHRONOUS)
		687	const_iv (ST_MANDLOCK)
		688	const_iv (ST_WRITE)
		689	const_iv (ST_APPEND)
		690	const_iv (ST_IMMUTABLE)
		691	const_iv (ST_NOATIME)
		692	const_iv (ST_NODIRATIME)
		693	const_iv (ST_RELATIME)
		694
		695	const_iv (PROT_EXEC)
		696	const_iv (PROT_NONE)
		697	const_iv (PROT_READ)
		698	const_iv (PROT_WRITE)
		699
		700	/const_iv (MAP_FIXED)/
		701	const_iv (MAP_PRIVATE)
		702	const_iv (MAP_SHARED)
		703	const_iv (MAP_ANONYMOUS)
		704
		705	/* linuxish */
		706	const_iv (MAP_HUGETLB)
		707	const_iv (MAP_LOCKED)
		708	const_iv (MAP_NORESERVE)
		709	const_iv (MAP_POPULATE)
		710	const_iv (MAP_NONBLOCK)
		711
		712	const_iv (MCL_FUTURE)
		713	const_iv (MCL_CURRENT)
		714
		715	const_eio (MS_ASYNC)
		716	const_eio (MS_INVALIDATE)
		717	const_eio (MS_SYNC)
		718
		719	const_eio (MT_MODIFY)
		720
		721	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
		722	const_eio (SYNC_FILE_RANGE_WRITE)
		723	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		724
		725	const_eio (READDIR_DENTS)
		726	const_eio (READDIR_DIRS_FIRST)
		727	const_eio (READDIR_STAT_ORDER)
		728	const_eio (READDIR_FOUND_UNKNOWN)
		729
		730	const_eio (DT_UNKNOWN)
		731	const_eio (DT_FIFO)
		732	const_eio (DT_CHR)
		733	const_eio (DT_DIR)
		734	const_eio (DT_BLK)
		735	const_eio (DT_REG)
		736	const_eio (DT_LNK)
		737	const_eio (DT_SOCK)
		738	const_eio (DT_WHT)
		739	};
		740
		741	aio_stash = gv_stashpv ("IO::AIO" , 1);
		742	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
		743	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		744
		745	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
		746	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
		747
		748	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
		749
542	create_respipe ();	750	create_respipe ();
543		751
544	if (eio_init (want_poll, done_poll) < 0)	752	if (eio_init (want_poll, done_poll) < 0)
545	croak ("IO::AIO: unable to initialise eio library");	753	croak ("IO::AIO: unable to initialise eio library");
546		754
547	/* atfork child called in fifo order, so before eio's handler */	755	/* atfork child called in fifo order, so before eio's handler */
548	X_THREAD_ATFORK (0, 0, atfork_child);	756	X_THREAD_ATFORK (0, 0, atfork_child);
549	}	757	}
550		758
551	void	759	void
552	max_poll_reqs (int nreqs)	760	max_poll_reqs (int nreqs)
553	PROTOTYPE: $	761	PROTOTYPE: $
…		…
606	ALIAS:	814	ALIAS:
607	aio_fsync = EIO_FSYNC	815	aio_fsync = EIO_FSYNC
608	aio_fdatasync = EIO_FDATASYNC	816	aio_fdatasync = EIO_FDATASYNC
609	PPCODE:	817	PPCODE:
610	{	818	{
611	int fd = extract_fd (fh, 0);	819	int fd = s_fileno_croak (fh, 0);
612	dREQ;	820	dREQ;
613		821
614	req->type = ix;	822	req->type = ix;
615	req->sv1 = newSVsv (fh);	823	req->sv1 = newSVsv (fh);
616	req->int1 = fd;	824	req->int1 = fd;
617		825
618	REQ_SEND (req);	826	REQ_SEND (req);
619	}	827	}
620		828
621	void	829	void
622	aio_sync_file_range (SV fh, SV offset, SV nbytes, IV flags, SV callback=&PL_sv_undef)	830	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback=&PL_sv_undef)
623	PROTOTYPE: $$$$;$	831	PROTOTYPE: $$$$;$
624	PPCODE:	832	PPCODE:
625	{	833	{
626	int fd = extract_fd (fh, 0);	834	int fd = s_fileno_croak (fh, 0);
627	dREQ;	835	dREQ;
628		836
629	req->type = EIO_SYNC_FILE_RANGE;	837	req->type = EIO_SYNC_FILE_RANGE;
630	req->sv1 = newSVsv (fh);	838	req->sv1 = newSVsv (fh);
631	req->int1 = fd;	839	req->int1 = fd;
632	req->offs = SvVAL64 (offset);	840	req->offs = offset;
633	req->size = SvVAL64 (nbytes);	841	req->size = nbytes;
634	req->int2 = flags;	842	req->int2 = flags;
635		843
636	REQ_SEND (req);	844	REQ_SEND (req);
637	}	845	}
638		846
…		…
640	aio_close (SV fh, SV callback=&PL_sv_undef)	848	aio_close (SV fh, SV callback=&PL_sv_undef)
641	PROTOTYPE: $;$	849	PROTOTYPE: $;$
642	PPCODE:	850	PPCODE:
643	{	851	{
644	static int close_pipe = -1; /* dummy fd to close fds via dup2 */	852	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
645	int fd = extract_fd (fh, 0);	853	int fd = s_fileno_croak (fh, 0);
646	dREQ;	854	dREQ;
647		855
648	if (close_pipe < 0)	856	if (close_pipe < 0)
649	{	857	{
650	int pipefd [2];	858	int pipefd [2];
…		…
672	aio_write = EIO_WRITE	880	aio_write = EIO_WRITE
673	PROTOTYPE: $$$$$;$	881	PROTOTYPE: $$$$$;$
674	PPCODE:	882	PPCODE:
675	{	883	{
676	STRLEN svlen;	884	STRLEN svlen;
677	int fd = extract_fd (fh, ix == EIO_WRITE);	885	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
678	char *svptr = SvPVbyte (data, svlen);	886	char *svptr = SvPVbyte (data, svlen);
679	UV len = SvUV (length);	887	UV len = SvUV (length);
680		888
681	if (dataoffset < 0)	889	if (dataoffset < 0)
682	dataoffset += svlen;	890	dataoffset += svlen;
…		…
733		941
734	REQ_SEND;	942	REQ_SEND;
735	}	943	}
736		944
737	void	945	void
738	aio_sendfile (SV out_fh, SV in_fh, SV in_offset, UV length, SV callback=&PL_sv_undef)	946	aio_sendfile (SV out_fh, SV in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
739	PROTOTYPE: $$$$;$	947	PROTOTYPE: $$$$;$
740	PPCODE:	948	PPCODE:
741	{	949	{
742	int ifd = extract_fd (in_fh , 0);	950	int ifd = s_fileno_croak (in_fh , 0);
743	int ofd = extract_fd (out_fh, 0);	951	int ofd = s_fileno_croak (out_fh, 1);
744	dREQ;	952	dREQ;
745		953
746	req->type = EIO_SENDFILE;	954	req->type = EIO_SENDFILE;
747	req->sv1 = newSVsv (out_fh);	955	req->sv1 = newSVsv (out_fh);
748	req->int1 = ofd;	956	req->int1 = ofd;
749	req->sv2 = newSVsv (in_fh);	957	req->sv2 = newSVsv (in_fh);
750	req->int2 = ifd;	958	req->int2 = ifd;
751	req->offs = SvVAL64 (in_offset);	959	req->offs = in_offset;
752	req->size = length;	960	req->size = length;
753		961
754	REQ_SEND;	962	REQ_SEND;
755	}	963	}
756		964
757	void	965	void
758	aio_readahead (SV fh, SV offset, IV length, SV *callback=&PL_sv_undef)	966	aio_readahead (SV fh, off_t offset, size_t length, SV callback=&PL_sv_undef)
759	PROTOTYPE: $$$;$	967	PROTOTYPE: $$$;$
760	PPCODE:	968	PPCODE:
761	{	969	{
762	int fd = extract_fd (fh, 0);	970	int fd = s_fileno_croak (fh, 0);
763	dREQ;	971	dREQ;
764		972
765	req->type = EIO_READAHEAD;	973	req->type = EIO_READAHEAD;
766	req->sv1 = newSVsv (fh);	974	req->sv1 = newSVsv (fh);
767	req->int1 = fd;	975	req->int1 = fd;
768	req->offs = SvVAL64 (offset);	976	req->offs = offset;
769	req->size = length;	977	req->size = length;
770		978
771	REQ_SEND;	979	REQ_SEND;
772	}	980	}
773		981
774	void	982	void
775	aio_stat (SV8 fh_or_path, SV callback=&PL_sv_undef)	983	aio_stat (SV8 fh_or_path, SV callback=&PL_sv_undef)
776	ALIAS:	984	ALIAS:
777	aio_stat = EIO_STAT	985	aio_stat = EIO_STAT
778	aio_lstat = EIO_LSTAT	986	aio_lstat = EIO_LSTAT
		987	aio_statvfs = EIO_STATVFS
779	PPCODE:	988	PPCODE:
780	{	989	{
781	dREQ;	990	dREQ;
782		991
783	req->sv1 = newSVsv (fh_or_path);	992	req->sv1 = newSVsv (fh_or_path);
…		…
787	req->type = ix;	996	req->type = ix;
788	req->ptr1 = SvPVbyte_nolen (req->sv1);	997	req->ptr1 = SvPVbyte_nolen (req->sv1);
789	}	998	}
790	else	999	else
791	{	1000	{
792	req->type = EIO_FSTAT;	1001	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
793	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	1002	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
794	}	1003	}
795		1004
796	REQ_SEND;	1005	REQ_SEND;
797	}	1006	}
…		…
892		1101
893	REQ_SEND;	1102	REQ_SEND;
894	}	1103	}
895		1104
896	void	1105	void
		1106	aio_readdirx (SV8 pathname, IV flags, SV callback=&PL_sv_undef)
		1107	PPCODE:
		1108	{
		1109	dREQ;
		1110
		1111	req->type = EIO_READDIR;
		1112	req->sv1 = newSVsv (pathname);
		1113	req->ptr1 = SvPVbyte_nolen (req->sv1);
		1114	req->int1 = flags \| EIO_READDIR_DENTS \| EIO_READDIR_CUSTOM1;
		1115
		1116	if (flags & EIO_READDIR_DENTS)
		1117	req->int1 \|= EIO_READDIR_CUSTOM2;
		1118
		1119	REQ_SEND;
		1120	}
		1121
		1122	void
897	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)	1123	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)
898	ALIAS:	1124	ALIAS:
899	aio_unlink = EIO_UNLINK	1125	aio_unlink = EIO_UNLINK
900	aio_rmdir = EIO_RMDIR	1126	aio_rmdir = EIO_RMDIR
901	aio_readdir = EIO_READDIR	1127	aio_readdir = EIO_READDIR
…		…
943		1169
944	REQ_SEND;	1170	REQ_SEND;
945	}	1171	}
946		1172
947	void	1173	void
		1174	aio_mtouch (SV8 data, IV offset = 0, SV length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
		1175	ALIAS:
		1176	aio_mtouch = EIO_MTOUCH
		1177	aio_msync = EIO_MSYNC
		1178	PROTOTYPE: $$$$;$
		1179	PPCODE:
		1180	{
		1181	STRLEN svlen;
		1182	UV len = SvUV (length);
		1183	char *svptr = SvPVbyte (data, svlen);
		1184
		1185	if (offset < 0)
		1186	offset += svlen;
		1187
		1188	if (offset < 0 \|\| offset > svlen)
		1189	croak ("offset outside of scalar");
		1190
		1191	if (!SvOK (length) \|\| len + offset > svlen)
		1192	len = svlen - offset;
		1193
		1194	{
		1195	dREQ;
		1196
		1197	req->type = ix;
		1198	req->size = len;
		1199	req->sv2 = SvREFCNT_inc (data);
		1200	req->ptr2 = (char *)svptr + offset;
		1201	req->int1 = flags;
		1202
		1203	REQ_SEND;
		1204	}
		1205	}
		1206
		1207	void
948	aio_busy (double delay, SV *callback=&PL_sv_undef)	1208	aio_busy (double delay, SV *callback=&PL_sv_undef)
949	PPCODE:	1209	PPCODE:
950	{	1210	{
951	dREQ;	1211	dREQ;
952		1212
…		…
964	dREQ;	1224	dREQ;
965		1225
966	req->type = EIO_GROUP;	1226	req->type = EIO_GROUP;
967		1227
968	req_submit (req);	1228	req_submit (req);
969	XPUSHs (req_sv (req, AIO_GRP_KLASS));	1229	XPUSHs (req_sv (req, aio_grp_stash));
970	}	1230	}
971		1231
972	void	1232	void
973	aio_nop (SV *callback=&PL_sv_undef)	1233	aio_nop (SV *callback=&PL_sv_undef)
974	ALIAS:	1234	ALIAS:
…		…
1026		1286
1027	int	1287	int
1028	poll_fileno()	1288	poll_fileno()
1029	PROTOTYPE:	1289	PROTOTYPE:
1030	CODE:	1290	CODE:
1031	RETVAL = respipe [0];	1291	RETVAL = s_epipe_fd (&respipe);
1032	OUTPUT:	1292	OUTPUT:
1033	RETVAL	1293	RETVAL
1034		1294
1035	int	1295	int
1036	poll_cb(...)	1296	poll_cb(...)
…		…
1076	CODE:	1336	CODE:
1077	RETVAL = eio_nthreads ();	1337	RETVAL = eio_nthreads ();
1078	OUTPUT:	1338	OUTPUT:
1079	RETVAL	1339	RETVAL
1080		1340
		1341	int
		1342	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
		1343	PROTOTYPE: $$$$
		1344	CODE:
		1345	#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
		1346	RETVAL = posix_fadvise (fh, offset, length, advice);
		1347	#else
		1348	RETVAL = errno = ENOSYS; /* yes, this is actually correct */
		1349	#endif
		1350	OUTPUT:
		1351	RETVAL
		1352
		1353	ssize_t
		1354	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
		1355	PROTOTYPE: $$$$
		1356	CODE:
		1357	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
		1358	OUTPUT:
		1359	RETVAL
		1360
		1361	void
		1362	mmap (SV scalar, size_t length, int prot, int flags, SV fh, off_t offset = 0)
		1363	PROTOTYPE: $$$$$;$
		1364	PPCODE:
		1365	sv_unmagic (scalar, MMAP_MAGIC);
		1366	{
		1367	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
		1368	void addr = (void )mmap (0, length, prot, flags, fd, offset);
		1369	if (addr == (void *)-1)
		1370	XSRETURN_NO;
		1371
		1372	/* we store the length in mg_obj, as namlen is I32 :/ */
		1373	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
		1374	->mg_obj = (SV *)length;
		1375
		1376	SvUPGRADE (scalar, SVt_PV); /* nop... */
		1377	if (!(prot & PROT_WRITE))
		1378	SvREADONLY_on (scalar);
		1379
		1380	SvPVX (scalar) = (char *)addr;
		1381	SvCUR_set (scalar, length);
		1382	SvLEN_set (scalar, 0);
		1383	SvPOK_only (scalar);
		1384
		1385	XSRETURN_YES;
		1386	}
		1387
		1388	void
		1389	munmap (SV *scalar)
		1390	PROTOTYPE: $
		1391	CODE:
		1392	sv_unmagic (scalar, MMAP_MAGIC);
		1393
		1394	int
		1395	mlockall (int flags)
		1396	PROTOTYPE: $
		1397	CODE:
		1398	#if _POSIX_MEMLOCK
		1399	#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7
		1400	extern int mallopt (int, int);
		1401	mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
		1402	#endif
		1403	mlockall (flags);
		1404	#else
		1405	RETVAL = -1;
		1406	errno = ENOSYS;
		1407	#endif
		1408	OUTPUT:
		1409	RETVAL
		1410
		1411	int
		1412	munlockall ()
		1413	PROTOTYPE:
		1414	CODE:
		1415	#if _POSIX_MEMLOCK
		1416	munlockall ();
		1417	#else
		1418	RETVAL = -1;
		1419	errno = ENOSYS;
		1420	#endif
		1421	OUTPUT:
		1422	RETVAL
		1423
1081	void _on_next_submit (SV *cb)	1424	void _on_next_submit (SV *cb)
1082	CODE:	1425	CODE:
1083	SvREFCNT_dec (on_next_submit);	1426	SvREFCNT_dec (on_next_submit);
1084	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1427	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1085		1428
…		…
1099	if (GIMME_V != G_VOID)	1442	if (GIMME_V != G_VOID)
1100	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	1443	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1101		1444
1102	if (items > 1)	1445	if (items > 1)
1103	{	1446	{
1104	SV *cb_cv = get_cb (callback);	1447	SV *cb_cv =get_cb (callback);
1105		1448
1106	SvREFCNT_dec (req->callback);	1449	SvREFCNT_dec (req->callback);
1107	req->callback = SvREFCNT_inc (cb_cv);	1450	req->callback = SvREFCNT_inc (cb_cv);
1108	}	1451	}
1109	}	1452	}
…		…
1146	AV *av;	1489	AV *av;
1147		1490
1148	grp->errorno = errno;	1491	grp->errorno = errno;
1149		1492
1150	av = newAV ();	1493	av = newAV ();
		1494	av_extend (av, items - 1);
1151		1495
1152	for (i = 1; i < items; ++i )	1496	for (i = 1; i < items; ++i )
1153	av_push (av, newSVsv (ST (i)));	1497	av_push (av, newSVsv (ST (i)));
1154		1498
1155	SvREFCNT_dec (grp->sv1);	1499	SvREFCNT_dec (grp->sv1);

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Comparing IO-AIO/AIO.xs (file contents): Revision 1.140 by root, Wed Jun 3 12:24:49 2009 UTC vs. Revision 1.164 by root, Tue May 4 21:14:01 2010 UTC

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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.140 by root, Wed Jun 3 12:24:49 2009 UTC vs.
Revision 1.164 by root, Tue May 4 21:14:01 2010 UTC