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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.129 by root, Tue Sep 30 17:03:53 2008 UTC vs.
Revision 1.175 by root, Wed Dec 1 04:43:12 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	#endif
		128	#ifndef POSIX_FADV_SEQUENTIAL
		129	# define POSIX_FADV_SEQUENTIAL 0
		130	#endif
		131	#ifndef POSIX_FADV_RANDOM
		132	# define POSIX_FADV_RANDOM 0
		133	#endif
		134	#ifndef POSIX_FADV_NOREUSE
		135	# define POSIX_FADV_NOREUSE 0
		136	#endif
		137	#ifndef POSIX_FADV_WILLNEED
		138	# define POSIX_FADV_WILLNEED 0
		139	#endif
		140	#ifndef POSIX_FADV_DONTNEED
		141	# define POSIX_FADV_DONTNEED 0
		142	#endif
		143
		144	#if !HAVE_POSIX_FADVISE
		145	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
		146	#endif
		147
		148	#ifndef POSIX_MADV_NORMAL
		149	# define POSIX_MADV_NORMAL 0
		150	#endif
		151	#ifndef POSIX_MADV_SEQUENTIAL
		152	# define POSIX_MADV_SEQUENTIAL 0
		153	#endif
		154	#ifndef POSIX_MADV_RANDOM
		155	# define POSIX_MADV_RANDOM 0
		156	#endif
		157	#ifndef POSIX_MADV_WILLNEED
		158	# define POSIX_MADV_WILLNEED 0
		159	#endif
		160	#ifndef POSIX_MADV_DONTNEED
		161	# define POSIX_MADV_DONTNEED 0
		162	#endif
		163
		164	#if !HAVE_POSIX_MADVISE
		165	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
		166	#endif
		167
		168	#ifndef PROT_NONE
		169	# define PROT_NONE 0
		170	#endif
		171	#ifndef PROT_READ
		172	# define PROT_READ 0
		173	#endif
		174	#ifndef PROT_WRITE
		175	# define PROT_READ 0
		176	#endif
		177	#ifndef PROT_EXEC
		178	# define PROT_EXEC 0
		179	#endif
		180
		181	#ifndef ST_NODEV
		182	# define ST_NODEV 0
		183	#endif
		184	#ifndef ST_NOEXEC
		185	# define ST_NOEXEC 0
		186	#endif
		187	#ifndef ST_SYNCHRONOUS
		188	# define ST_SYNCHRONOUS 0
		189	#endif
		190	#ifndef ST_MANDLOCK
		191	# define ST_MANDLOCK 0
		192	#endif
		193	#ifndef ST_WRITE
		194	# define ST_WRITE 0
		195	#endif
		196	#ifndef ST_APPEND
		197	# define ST_APPEND 0
		198	#endif
		199	#ifndef ST_IMMUTABLE
		200	# define ST_IMMUTABLE 0
		201	#endif
		202	#ifndef ST_NOATIME
		203	# define ST_NOATIME 0
		204	#endif
		205	#ifndef ST_NODIRATIME
		206	# define ST_NODIRATIME 0
		207	#endif
		208	#ifndef ST_RELATIME
		209	# define ST_RELATIME 0
		210	#endif
		211
		212	#ifndef MAP_ANONYMOUS
		213	# ifdef MAP_ANON
		214	# define MAP_ANONYMOUS MAP_ANON
		215	# else
		216	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
		217	# endif
		218	#endif
		219	#ifndef MAP_HUGETLB
		220	# define MAP_HUGETLB 0
		221	#endif
		222	#ifndef MAP_LOCKED
		223	# define MAP_LOCKED 0
		224	#endif
		225	#ifndef MAP_NORESERVE
		226	# define MAP_NORESERVE 0
		227	#endif
		228	#ifndef MAP_POPULATE
		229	# define MAP_POPULATE 0
		230	#endif
		231	#ifndef MAP_NONBLOCK
		232	# define MAP_NONBLOCK 0
		233	#endif
		234
		235	#ifndef PAGESIZE
		236	# define PAGESIZE sysconf (_SC_PAGESIZE)
		237	#endif
		238
114	static int req_invoke (eio_req *req);	239	static int req_invoke (eio_req *req);
115	#define EIO_FINISH(req) req_invoke (req)	240	#define EIO_FINISH(req) req_invoke (req)
116	static void aio_grp_feed (eio_req *grp);
117	#define EIO_FEED(req) aio_grp_feed (req)
118	static void req_destroy (eio_req *grp);	241	static void req_destroy (eio_req *grp);
119	#define EIO_DESTROY(req) req_destroy (req)	242	#define EIO_DESTROY(req) req_destroy (req)
120		243
121	enum {	244	enum {
122	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	245	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
…		…
129		252
130	static SV *on_next_submit;	253	static SV *on_next_submit;
131	static int next_pri = EIO_PRI_DEFAULT;	254	static int next_pri = EIO_PRI_DEFAULT;
132	static int max_outstanding;	255	static int max_outstanding;
133		256
134	static int respipe_osf [2], respipe [2] = { -1, -1 };	257	static s_epipe respipe;
135		258
136	static void req_destroy (aio_req req);	259	static void req_destroy (aio_req req);
137	static void req_cancel (aio_req req);	260	static void req_cancel (aio_req req);
138		261
139	static void want_poll (void)	262	static void want_poll (void)
140	{	263	{
141	/* write a dummy byte to the pipe so fh becomes ready */	264	/* write a dummy byte to the pipe so fh becomes ready */
142	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);	265	s_epipe_signal (&respipe);
143	}	266	}
144		267
145	static void done_poll (void)	268	static void done_poll (void)
146	{	269	{
147	/* read any signals sent by the worker threads */	270	/* read any signals sent by the worker threads */
148	char buf [4];	271	s_epipe_drain (&respipe);
149	while (respipe_read (respipe [0], buf, 4) == 4)
150	;
151	}	272	}
152		273
153	/* must be called at most once */	274	/* must be called at most once */
154	static SV req_sv (aio_req req, const char klass)	275	static SV req_sv (aio_req req, HV stash)
155	{	276	{
156	if (!req->self)	277	if (!req->self)
157	{	278	{
158	req->self = (SV *)newHV ();	279	req->self = (SV *)newHV ();
159	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	280	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
160	}	281	}
161		282
162	return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1)));	283	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
163	}	284	}
164		285
165	static aio_req SvAIO_REQ (SV *sv)	286	static aio_req SvAIO_REQ (SV *sv)
166	{	287	{
167	MAGIC *mg;	288	MAGIC *mg;
168		289
169	if (!sv_derived_from (sv, AIO_REQ_KLASS) \|\| !SvROK (sv))	290	if (!SvROK (sv)
		291	\|\| (SvSTASH (SvRV (sv)) != aio_grp_stash
		292	&& SvSTASH (SvRV (sv)) != aio_req_stash
		293	&& !sv_derived_from (sv, "IO::AIO::REQ")))
170	croak ("object of class " AIO_REQ_KLASS " expected");	294	croak ("object of class IO::AIO::REQ expected");
171		295
172	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	296	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
173		297
174	return mg ? (aio_req)mg->mg_ptr : 0;	298	return mg ? (aio_req)mg->mg_ptr : 0;
175	}	299	}
…		…
181	dSP;	305	dSP;
182		306
183	ENTER;	307	ENTER;
184	SAVETMPS;	308	SAVETMPS;
185	PUSHMARK (SP);	309	PUSHMARK (SP);
186	XPUSHs (req_sv (grp, AIO_GRP_KLASS));	310	XPUSHs (req_sv (grp, aio_grp_stash));
187	PUTBACK;	311	PUTBACK;
188	call_sv (grp->sv2, G_VOID \| G_EVAL \| G_KEEPERR);	312	call_sv (grp->sv2, G_VOID \| G_EVAL \| G_KEEPERR);
189	SPAGAIN;	313	SPAGAIN;
190	FREETMPS;	314	FREETMPS;
191	LEAVE;	315	LEAVE;
…		…
209	}	333	}
210	}	334	}
211		335
212	static int req_invoke (eio_req *req)	336	static int req_invoke (eio_req *req)
213	{	337	{
214	dSP;
215
216	if (req->flags & FLAG_SV2_RO_OFF)	338	if (req->flags & FLAG_SV2_RO_OFF)
217	SvREADONLY_off (req->sv2);	339	SvREADONLY_off (req->sv2);
218		340
219	if (!EIO_CANCELLED (req) && req->callback)	341	if (!EIO_CANCELLED (req) && req->callback)
220	{	342	{
		343	dSP;
		344	static SV sv_result_cache; / caches the result integer SV */
		345	SV *sv_result;
		346
221	ENTER;	347	ENTER;
222	SAVETMPS;	348	SAVETMPS;
223	PUSHMARK (SP);	349	PUSHMARK (SP);
224	EXTEND (SP, 1);	350	EXTEND (SP, 1);
		351
		352	/* do not recreate the result IV from scratch each time */
		353	if (expect_true (sv_result_cache))
		354	{
		355	sv_result = sv_result_cache; sv_result_cache = 0;
		356	SvIV_set (sv_result, req->result);
		357	}
		358	else
		359	{
		360	sv_result = newSViv (req->result);
		361	SvREADONLY_on (sv_result);
		362	}
225		363
226	switch (req->type)	364	switch (req->type)
227	{	365	{
228	case EIO_READDIR:	366	case EIO_READDIR:
229	{	367	{
230	SV *rv = &PL_sv_undef;	368	SV *rv = &PL_sv_undef;
231		369
232	if (req->result >= 0)	370	if (req->result >= 0)
233	{	371	{
234	int i;	372	int i;
235	char *buf = req->ptr2;	373	char names = (char )req->ptr2;
		374	eio_dirent ent = (eio_dirent )req->ptr1; /* might be 0 */
236	AV *av = newAV ();	375	AV *av = newAV ();
237		376
238	av_extend (av, req->result - 1);	377	av_extend (av, req->result - 1);
239		378
240	for (i = 0; i < req->result; ++i)	379	for (i = 0; i < req->result; ++i)
241	{	380	{
242	SV *sv = newSVpv (buf, 0);	381	if (req->int1 & EIO_READDIR_DENTS)
		382	{
		383	SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen);
243		384
		385	if (req->int1 & EIO_READDIR_CUSTOM2)
		386	{
		387	static SV sv_type [EIO_DT_MAX + 1]; / type sv cache */
		388	AV *avent = newAV ();
		389
		390	av_extend (avent, 2);
		391
		392	if (!sv_type [ent->type])
		393	{
		394	sv_type [ent->type] = newSViv (ent->type);
		395	SvREADONLY_on (sv_type [ent->type]);
		396	}
		397
		398	av_store (avent, 0, namesv);
		399	av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type]));
		400	av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode));
		401
		402	av_store (av, i, newRV_noinc ((SV *)avent));
		403	}
		404	else
244	av_store (av, i, sv);	405	av_store (av, i, namesv);
		406
		407	++ent;
		408	}
		409	else
		410	{
		411	SV *name = newSVpv (names, 0);
		412	av_store (av, i, name);
245	buf += SvCUR (sv) + 1;	413	names += SvCUR (name) + 1;
		414	}
246	}	415	}
247		416
248	rv = sv_2mortal (newRV_noinc ((SV *)av));	417	rv = sv_2mortal (newRV_noinc ((SV *)av));
249	}	418	}
250		419
251	PUSHs (rv);	420	PUSHs (rv);
		421
		422	if (req->int1 & EIO_READDIR_CUSTOM1)
		423	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 \| EIO_READDIR_CUSTOM2))));
252	}	424	}
253	break;	425	break;
254		426
255	case EIO_OPEN:	427	case EIO_OPEN:
256	{	428	{
…		…
262	GV gv = (GV )sv_newmortal ();	434	GV gv = (GV )sv_newmortal ();
263	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);	435	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);
264	char sym [64];	436	char sym [64];
265	int symlen;	437	int symlen;
266		438
267	symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result);	439	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
268	gv_init (gv, stash, sym, symlen, 0);	440	gv_init (gv, aio_stash, sym, symlen, 0);
269		441
270	symlen = snprintf (	442	symlen = snprintf (
271	sym,	443	sym,
272	sizeof (sym),	444	sizeof (sym),
273	"%s&=%d",	445	"%s&=%d",
274	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",	446	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
275	req->result	447	(int)req->result
276	);	448	);
277		449
278	if (do_open (gv, sym, symlen, 0, 0, 0, 0))	450	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
279	fh = (SV *)gv;	451	fh = (SV *)gv;
280	}	452	}
281		453
282	PUSHs (fh);	454	PUSHs (fh);
283	}	455	}
		456	break;
		457
		458	case EIO_STATVFS:
		459	case EIO_FSTATVFS:
		460	{
		461	SV *rv = &PL_sv_undef;
		462
		463	if (req->result >= 0)
		464	{
		465	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
		466	HV *hv = newHV ();
		467
		468	rv = sv_2mortal (newRV_noinc ((SV *)hv));
		469
		470	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
		471	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
		472	hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
		473	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
		474	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
		475	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
		476	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
		477	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
		478	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
		479	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
		480	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
		481	}
		482
		483	PUSHs (rv);
		484	}
		485
284	break;	486	break;
285		487
286	case EIO_GROUP:	488	case EIO_GROUP:
287	req->int1 = 2; /* mark group as finished */	489	req->int1 = 2; /* mark group as finished */
288		490
…		…
310	case EIO_LSTAT:	512	case EIO_LSTAT:
311	case EIO_FSTAT:	513	case EIO_FSTAT:
312	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	514	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
313	PL_laststatval = req->result;	515	PL_laststatval = req->result;
314	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);	516	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);
315	PUSHs (sv_2mortal (newSViv (req->result)));	517	PUSHs (sv_result);
316	break;	518	break;
317		519
318	case EIO_READ:	520	case EIO_READ:
		521	{
319	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	522	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
320	*SvEND (req->sv2) = 0;	523	*SvEND (req->sv2) = 0;
321	PUSHs (sv_2mortal (newSViv (req->result)));	524	SvPOK_only (req->sv2);
		525	SvSETMAGIC (req->sv2);
		526	PUSHs (sv_result);
		527	}
322	break;	528	break;
323		529
324	case EIO_DUP2:	530	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */
325	if (req->result > 0)	531	if (req->result > 0)
326	req->result = 0;	532	SvIV_set (sv_result, 0);
327	/* FALLTHROUGH */	533	/* FALLTHROUGH */
328		534
329	default:	535	default:
330	PUSHs (sv_2mortal (newSViv (req->result)));	536	PUSHs (sv_result);
331	break;	537	break;
332	}	538	}
333		539
334	errno = req->errorno;	540	errno = req->errorno;
335		541
336	PUTBACK;	542	PUTBACK;
337	call_sv (req->callback, G_VOID \| G_EVAL \| G_DISCARD);	543	call_sv (req->callback, G_VOID \| G_EVAL \| G_DISCARD);
338	SPAGAIN;	544	SPAGAIN;
		545
		546	if (expect_false (SvREFCNT (sv_result) != 1 \|\| sv_result_cache))
		547	SvREFCNT_dec (sv_result);
		548	else
		549	sv_result_cache = sv_result;
339		550
340	FREETMPS;	551	FREETMPS;
341	LEAVE;	552	LEAVE;
342		553
343	PUTBACK;	554	PUTBACK;
…		…
372	grp->sv2 = 0;	583	grp->sv2 = 0;
373		584
374	eio_grp_cancel (grp);	585	eio_grp_cancel (grp);
375	}	586	}
376		587
377	#ifdef USE_SOCKETS_AS_HANDLES
378	# define TO_SOCKET(x) (win32_get_osfhandle (x))
379	#else
380	# define TO_SOCKET(x) (x)
381	#endif
382
383	static void	588	static void
384	create_respipe (void)	589	create_respipe (void)
385	{	590	{
386	int old_readfd = respipe [0];
387
388	if (respipe [1] >= 0)
389	respipe_close (TO_SOCKET (respipe [1]));
390
391	#ifdef _WIN32
392	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
393	#else
394	if (pipe (respipe))	591	if (s_epipe_renew (&respipe))
395	#endif
396	croak ("unable to initialize result pipe");	592	croak ("IO::AIO: unable to initialize result pipe");
397
398	if (old_readfd >= 0)
399	{
400	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
401	croak ("unable to initialize result pipe(2)");
402
403	respipe_close (respipe [0]);
404	respipe [0] = old_readfd;
405	}
406
407	#ifdef _WIN32
408	int arg = 1;
409	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
410	\|\| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
411	#else
412	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
413	\|\| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
414	#endif
415	croak ("unable to initialize result pipe(3)");
416
417	respipe_osf [0] = TO_SOCKET (respipe [0]);
418	respipe_osf [1] = TO_SOCKET (respipe [1]);
419	}	593	}
420		594
421	static void poll_wait (void)	595	static void poll_wait (void)
422	{	596	{
423	fd_set rfd;
424
425	while (eio_nreqs ())	597	while (eio_nreqs ())
426	{	598	{
427	int size;	599	int size;
428		600
429	X_LOCK (reslock);	601	X_LOCK (reslock);
…		…
433	if (size)	605	if (size)
434	return;	606	return;
435		607
436	etp_maybe_start_thread ();	608	etp_maybe_start_thread ();
437		609
438	FD_ZERO (&rfd);	610	s_epipe_wait (&respipe);
439	FD_SET (respipe [0], &rfd);
440
441	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
442	}	611	}
443	}	612	}
444		613
445	static int poll_cb (void)	614	static int poll_cb (void)
446	{	615	{
…		…
461	static void atfork_child (void)	630	static void atfork_child (void)
462	{	631	{
463	create_respipe ();	632	create_respipe ();
464	}	633	}
465		634
		635	/*****************************************************************************/
		636
		637	#if !_POSIX_MAPPED_FILES
		638	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
		639	# define munmap(addr,length) (errno = ENOSYS, -1)
		640	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
		641	# define PROT_NONE 0
		642	# define PROT_WRITE 0
		643	# define MAP_PRIVATE 0
		644	# define MAP_SHARED 0
		645	# define MAP_FIXED 0
		646	#endif
		647
		648	#define MMAP_MAGIC PERL_MAGIC_ext
		649
		650	static int
		651	mmap_free (pTHX_ SV sv, MAGIC mg)
		652	{
		653	int old_errno = errno;
		654	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		655	errno = old_errno;
		656
		657	mg->mg_obj = 0; /* just in case */
		658
		659	SvREADONLY_off (sv);
		660
		661	if (SvPVX (sv) != mg->mg_ptr)
		662	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		663
		664	SvCUR_set (sv, 0);
		665	SvPVX (sv) = 0;
		666	SvOK_off (sv);
		667
		668	return 0;
		669	}
		670
		671	static MGVTBL mmap_vtbl = {
		672	0, 0, 0, 0, mmap_free
		673	};
		674
		675	/*****************************************************************************/
		676
466	static SV *	677	static SV *
467	get_cb (SV *cb_sv)	678	get_cb (SV *cb_sv)
468	{	679	{
469	HV *st;	680	SvGETMAGIC (cb_sv);
470	GV *gvp;	681	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
471	CV *cv;
472
473	if (!SvOK (cb_sv))
474	return 0;
475
476	cv = sv_2cv (cb_sv, &st, &gvp, 0);
477
478	if (!cv)
479	croak ("IO::AIO callback must be undef or a CODE reference");
480
481	return (SV *)cv;
482	}	682	}
483		683
484	#define dREQ \	684	#define dREQ \
485	SV *cb_cv; \	685	SV *cb_cv; \
486	aio_req req; \	686	aio_req req; \
…		…
500	PUTBACK; \	700	PUTBACK; \
501	req_submit (req); \	701	req_submit (req); \
502	SPAGAIN; \	702	SPAGAIN; \
503	\	703	\
504	if (GIMME_V != G_VOID) \	704	if (GIMME_V != G_VOID) \
505	XPUSHs (req_sv (req, AIO_REQ_KLASS));	705	XPUSHs (req_sv (req, aio_req_stash));
506		706
507	MODULE = IO::AIO PACKAGE = IO::AIO	707	MODULE = IO::AIO PACKAGE = IO::AIO
508		708
509	PROTOTYPES: ENABLE	709	PROTOTYPES: ENABLE
510		710
511	BOOT:	711	BOOT:
512	{	712	{
513	stash = gv_stashpv ("IO::AIO", 1);	713	static const struct {
514		714	const char *name;
515	newCONSTSUB (stash, "EXDEV", newSViv (EXDEV));	715	IV iv;
516	newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY));	716	} *civ, const_iv[] = {
517	newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY));	717	# define const_niv(name, value) { # name, (IV) value },
518	newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT));	718	# define const_iv(name) { # name, (IV) name },
519	newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC));	719	# define const_eio(name) { # name, (IV) EIO_ ## name },
		720	const_iv (EXDEV)
		721	const_iv (ENOSYS)
		722	const_iv (O_RDONLY)
		723	const_iv (O_WRONLY)
		724	const_iv (O_RDWR)
		725	const_iv (O_CREAT)
		726	const_iv (O_TRUNC)
		727	const_iv (O_EXCL)
		728	const_iv (O_APPEND)
520	#ifndef _WIN32	729	#ifndef _WIN32
521	newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));	730	const_iv (S_IFIFO)
522	#endif	731	#endif
		732	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
		733	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		734	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
		735	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		736	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		737	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
523		738
		739	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		740	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		741	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		742	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		743	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		744
		745	const_iv (ST_RDONLY)
		746	const_iv (ST_NOSUID)
		747	const_iv (ST_NODEV)
		748	const_iv (ST_NOEXEC)
		749	const_iv (ST_SYNCHRONOUS)
		750	const_iv (ST_MANDLOCK)
		751	const_iv (ST_WRITE)
		752	const_iv (ST_APPEND)
		753	const_iv (ST_IMMUTABLE)
		754	const_iv (ST_NOATIME)
		755	const_iv (ST_NODIRATIME)
		756	const_iv (ST_RELATIME)
		757
		758	const_iv (PROT_NONE)
		759	const_iv (PROT_EXEC)
		760	const_iv (PROT_READ)
		761	const_iv (PROT_WRITE)
		762
		763	/const_iv (MAP_FIXED)/
		764	const_iv (MAP_PRIVATE)
		765	const_iv (MAP_SHARED)
		766	const_iv (MAP_ANONYMOUS)
		767
		768	/* linuxish */
		769	const_iv (MAP_HUGETLB)
		770	const_iv (MAP_LOCKED)
		771	const_iv (MAP_NORESERVE)
		772	const_iv (MAP_POPULATE)
		773	const_iv (MAP_NONBLOCK)
		774
		775	const_eio (MCL_FUTURE)
		776	const_eio (MCL_CURRENT)
		777
		778	const_eio (MS_ASYNC)
		779	const_eio (MS_INVALIDATE)
		780	const_eio (MS_SYNC)
		781
		782	const_eio (MT_MODIFY)
		783
		784	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
		785	const_eio (SYNC_FILE_RANGE_WRITE)
		786	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		787
		788	const_eio (READDIR_DENTS)
		789	const_eio (READDIR_DIRS_FIRST)
		790	const_eio (READDIR_STAT_ORDER)
		791	const_eio (READDIR_FOUND_UNKNOWN)
		792
		793	const_eio (DT_UNKNOWN)
		794	const_eio (DT_FIFO)
		795	const_eio (DT_CHR)
		796	const_eio (DT_DIR)
		797	const_eio (DT_BLK)
		798	const_eio (DT_REG)
		799	const_eio (DT_LNK)
		800	const_eio (DT_SOCK)
		801	const_eio (DT_WHT)
		802	};
		803
		804	aio_stash = gv_stashpv ("IO::AIO" , 1);
		805	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
		806	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
		807
		808	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
		809	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
		810
		811	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
		812
524	create_respipe ();	813	create_respipe ();
525		814
526	if (eio_init (want_poll, done_poll) < 0)	815	if (eio_init (want_poll, done_poll) < 0)
527	croak ("IO::AIO: unable to initialise eio library");	816	croak ("IO::AIO: unable to initialise eio library");
528		817
529	/* atfork child called in fifo order, so before eio's handler */	818	/* atfork child called in fifo order, so before eio's handler */
530	X_THREAD_ATFORK (0, 0, atfork_child);	819	X_THREAD_ATFORK (0, 0, atfork_child);
531	}	820	}
532		821
533	void	822	void
534	max_poll_reqs (int nreqs)	823	max_poll_reqs (int nreqs)
535	PROTOTYPE: $	824	PROTOTYPE: $
…		…
566	CODE:	855	CODE:
567	max_outstanding = maxreqs;	856	max_outstanding = maxreqs;
568		857
569	void	858	void
570	aio_open (SV8 pathname, int flags, int mode, SV callback=&PL_sv_undef)	859	aio_open (SV8 pathname, int flags, int mode, SV callback=&PL_sv_undef)
571	PROTOTYPE: $$$;$
572	PPCODE:	860	PPCODE:
573	{	861	{
574	dREQ;	862	dREQ;
575		863
576	req->type = EIO_OPEN;	864	req->type = EIO_OPEN;
…		…
582	REQ_SEND;	870	REQ_SEND;
583	}	871	}
584		872
585	void	873	void
586	aio_fsync (SV fh, SV callback=&PL_sv_undef)	874	aio_fsync (SV fh, SV callback=&PL_sv_undef)
587	PROTOTYPE: $;$
588	ALIAS:	875	ALIAS:
589	aio_fsync = EIO_FSYNC	876	aio_fsync = EIO_FSYNC
590	aio_fdatasync = EIO_FDATASYNC	877	aio_fdatasync = EIO_FDATASYNC
591	PPCODE:	878	PPCODE:
592	{	879	{
		880	int fd = s_fileno_croak (fh, 0);
593	dREQ;	881	dREQ;
594		882
595	req->type = ix;	883	req->type = ix;
596	req->sv1 = newSVsv (fh);	884	req->sv1 = newSVsv (fh);
597	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	885	req->int1 = fd;
598		886
599	REQ_SEND (req);	887	REQ_SEND (req);
600	}	888	}
601		889
602	void	890	void
		891	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback=&PL_sv_undef)
		892	PPCODE:
		893	{
		894	int fd = s_fileno_croak (fh, 0);
		895	dREQ;
		896
		897	req->type = EIO_SYNC_FILE_RANGE;
		898	req->sv1 = newSVsv (fh);
		899	req->int1 = fd;
		900	req->offs = offset;
		901	req->size = nbytes;
		902	req->int2 = flags;
		903
		904	REQ_SEND (req);
		905	}
		906
		907	void
603	aio_close (SV fh, SV callback=&PL_sv_undef)	908	aio_close (SV fh, SV callback=&PL_sv_undef)
604	PROTOTYPE: $;$
605	PPCODE:	909	PPCODE:
606	{	910	{
607	static int close_pipe = -1; /* dummy fd to close fds via dup2 */	911	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
		912	int fd = s_fileno_croak (fh, 0);
608	dREQ;	913	dREQ;
609		914
610	if (close_pipe < 0)	915	if (close_pipe < 0)
611	{	916	{
612	int pipefd [2];	917	int pipefd [2];
…		…
620	}	925	}
621		926
622	req->type = EIO_DUP2;	927	req->type = EIO_DUP2;
623	req->int1 = close_pipe;	928	req->int1 = close_pipe;
624	req->sv2 = newSVsv (fh);	929	req->sv2 = newSVsv (fh);
625	req->int2 = PerlIO_fileno (IoIFP (sv_2io (fh)));	930	req->int2 = fd;
626		931
627	REQ_SEND (req);	932	REQ_SEND (req);
628	}	933	}
629		934
630	void	935	void
631	aio_read (SV fh, SV offset, SV length, SV8 data, IV dataoffset, SV *callback=&PL_sv_undef)	936	aio_read (SV fh, SV offset, SV length, SV8 data, IV dataoffset, SV *callback=&PL_sv_undef)
632	ALIAS:	937	ALIAS:
633	aio_read = EIO_READ	938	aio_read = EIO_READ
634	aio_write = EIO_WRITE	939	aio_write = EIO_WRITE
635	PROTOTYPE: $$$$$;$
636	PPCODE:	940	PPCODE:
637	{	941	{
638	STRLEN svlen;	942	STRLEN svlen;
		943	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
639	char *svptr = SvPVbyte (data, svlen);	944	char *svptr = SvPVbyte (data, svlen);
640	UV len = SvUV (length);	945	UV len = SvUV (length);
641
642	SvUPGRADE (data, SVt_PV);
643	SvPOK_on (data);
644		946
645	if (dataoffset < 0)	947	if (dataoffset < 0)
646	dataoffset += svlen;	948	dataoffset += svlen;
647		949
648	if (dataoffset < 0 \|\| dataoffset > svlen)	950	if (dataoffset < 0 \|\| dataoffset > svlen)
…		…
654	if (!SvOK (length) \|\| len + dataoffset > svlen)	956	if (!SvOK (length) \|\| len + dataoffset > svlen)
655	len = svlen - dataoffset;	957	len = svlen - dataoffset;
656	}	958	}
657	else	959	else
658	{	960	{
659	/* read: grow scalar as necessary */	961	/* read: check type and grow scalar as necessary */
		962	SvUPGRADE (data, SVt_PV);
660	svptr = SvGROW (data, len + dataoffset + 1);	963	svptr = SvGROW (data, len + dataoffset + 1);
661	}	964	}
662		965
663	if (len < 0)
664	croak ("length must not be negative");
665
666	{	966	{
667	dREQ;	967	dREQ;
668		968
669	req->type = ix;	969	req->type = ix;
670	req->sv1 = newSVsv (fh);	970	req->sv1 = newSVsv (fh);
671	req->int1 = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh))	971	req->int1 = fd;
672	: IoOFP (sv_2io (fh)));
673	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	972	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
674	req->size = len;	973	req->size = len;
675	req->sv2 = SvREFCNT_inc (data);	974	req->sv2 = SvREFCNT_inc (data);
676	req->ptr2 = (char *)svptr + dataoffset;	975	req->ptr2 = (char *)svptr + dataoffset;
677	req->stroffset = dataoffset;	976	req->stroffset = dataoffset;
…		…
686	}	985	}
687	}	986	}
688		987
689	void	988	void
690	aio_readlink (SV8 path, SV callback=&PL_sv_undef)	989	aio_readlink (SV8 path, SV callback=&PL_sv_undef)
691	PROTOTYPE: $$;$
692	PPCODE:	990	PPCODE:
693	{	991	{
694	SV *data;	992	SV *data;
695	dREQ;	993	dREQ;
696		994
…		…
700		998
701	REQ_SEND;	999	REQ_SEND;
702	}	1000	}
703		1001
704	void	1002	void
705	aio_sendfile (SV out_fh, SV in_fh, SV in_offset, UV length, SV callback=&PL_sv_undef)	1003	aio_sendfile (SV out_fh, SV in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
706	PROTOTYPE: $$$$;$
707	PPCODE:	1004	PPCODE:
708	{	1005	{
		1006	int ifd = s_fileno_croak (in_fh , 0);
		1007	int ofd = s_fileno_croak (out_fh, 1);
709	dREQ;	1008	dREQ;
710		1009
711	req->type = EIO_SENDFILE;	1010	req->type = EIO_SENDFILE;
712	req->sv1 = newSVsv (out_fh);	1011	req->sv1 = newSVsv (out_fh);
713	req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh)));	1012	req->int1 = ofd;
714	req->sv2 = newSVsv (in_fh);	1013	req->sv2 = newSVsv (in_fh);
715	req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));	1014	req->int2 = ifd;
716	req->offs = SvVAL64 (in_offset);	1015	req->offs = in_offset;
717	req->size = length;	1016	req->size = length;
718		1017
719	REQ_SEND;	1018	REQ_SEND;
720	}	1019	}
721		1020
722	void	1021	void
723	aio_readahead (SV fh, SV offset, IV length, SV *callback=&PL_sv_undef)	1022	aio_readahead (SV fh, off_t offset, size_t length, SV callback=&PL_sv_undef)
724	PROTOTYPE: $$$;$
725	PPCODE:	1023	PPCODE:
726	{	1024	{
		1025	int fd = s_fileno_croak (fh, 0);
727	dREQ;	1026	dREQ;
728		1027
729	req->type = EIO_READAHEAD;	1028	req->type = EIO_READAHEAD;
730	req->sv1 = newSVsv (fh);	1029	req->sv1 = newSVsv (fh);
731	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh)));	1030	req->int1 = fd;
732	req->offs = SvVAL64 (offset);	1031	req->offs = offset;
733	req->size = length;	1032	req->size = length;
734		1033
735	REQ_SEND;	1034	REQ_SEND;
736	}	1035	}
737		1036
738	void	1037	void
739	aio_stat (SV8 fh_or_path, SV callback=&PL_sv_undef)	1038	aio_stat (SV8 fh_or_path, SV callback=&PL_sv_undef)
740	ALIAS:	1039	ALIAS:
741	aio_stat = EIO_STAT	1040	aio_stat = EIO_STAT
742	aio_lstat = EIO_LSTAT	1041	aio_lstat = EIO_LSTAT
		1042	aio_statvfs = EIO_STATVFS
743	PPCODE:	1043	PPCODE:
744	{	1044	{
745	dREQ;	1045	dREQ;
746		1046
747	req->sv1 = newSVsv (fh_or_path);	1047	req->sv1 = newSVsv (fh_or_path);
…		…
751	req->type = ix;	1051	req->type = ix;
752	req->ptr1 = SvPVbyte_nolen (req->sv1);	1052	req->ptr1 = SvPVbyte_nolen (req->sv1);
753	}	1053	}
754	else	1054	else
755	{	1055	{
756	req->type = EIO_FSTAT;	1056	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
757	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	1057	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
758	}	1058	}
759		1059
760	REQ_SEND;	1060	REQ_SEND;
761	}	1061	}
…		…
856		1156
857	REQ_SEND;	1157	REQ_SEND;
858	}	1158	}
859		1159
860	void	1160	void
		1161	aio_readdirx (SV8 pathname, IV flags, SV callback=&PL_sv_undef)
		1162	PPCODE:
		1163	{
		1164	dREQ;
		1165
		1166	req->type = EIO_READDIR;
		1167	req->sv1 = newSVsv (pathname);
		1168	req->ptr1 = SvPVbyte_nolen (req->sv1);
		1169	req->int1 = flags \| EIO_READDIR_DENTS \| EIO_READDIR_CUSTOM1;
		1170
		1171	if (flags & EIO_READDIR_DENTS)
		1172	req->int1 \|= EIO_READDIR_CUSTOM2;
		1173
		1174	REQ_SEND;
		1175	}
		1176
		1177	void
861	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)	1178	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)
862	ALIAS:	1179	ALIAS:
863	aio_unlink = EIO_UNLINK	1180	aio_unlink = EIO_UNLINK
864	aio_rmdir = EIO_RMDIR	1181	aio_rmdir = EIO_RMDIR
865	aio_readdir = EIO_READDIR	1182	aio_readdir = EIO_READDIR
…		…
907		1224
908	REQ_SEND;	1225	REQ_SEND;
909	}	1226	}
910		1227
911	void	1228	void
		1229	aio_mtouch (SV8 data, IV offset = 0, SV length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
		1230	ALIAS:
		1231	aio_mtouch = EIO_MTOUCH
		1232	aio_msync = EIO_MSYNC
		1233	PPCODE:
		1234	{
		1235	STRLEN svlen;
		1236	char *svptr = SvPVbyte (data, svlen);
		1237	UV len = SvUV (length);
		1238
		1239	if (offset < 0)
		1240	offset += svlen;
		1241
		1242	if (offset < 0 \|\| offset > svlen)
		1243	croak ("offset outside of scalar");
		1244
		1245	if (!SvOK (length) \|\| len + offset > svlen)
		1246	len = svlen - offset;
		1247
		1248	{
		1249	dREQ;
		1250
		1251	req->type = ix;
		1252	req->sv2 = SvREFCNT_inc (data);
		1253	req->ptr2 = (char *)svptr + offset;
		1254	req->size = len;
		1255	req->int1 = flags;
		1256
		1257	REQ_SEND;
		1258	}
		1259	}
		1260
		1261	void
		1262	aio_mlock (SV8 data, IV offset = 0, SV length = &PL_sv_undef, SV *callback=&PL_sv_undef)
		1263	PPCODE:
		1264	{
		1265	STRLEN svlen;
		1266	char *svptr = SvPVbyte (data, svlen);
		1267	UV len = SvUV (length);
		1268
		1269	if (offset < 0)
		1270	offset += svlen;
		1271
		1272	if (offset < 0 \|\| offset > svlen)
		1273	croak ("offset outside of scalar");
		1274
		1275	if (!SvOK (length) \|\| len + offset > svlen)
		1276	len = svlen - offset;
		1277
		1278	{
		1279	dREQ;
		1280
		1281	req->type = EIO_MLOCK;
		1282	req->sv2 = SvREFCNT_inc (data);
		1283	req->ptr2 = (char *)svptr + offset;
		1284	req->size = len;
		1285
		1286	REQ_SEND;
		1287	}
		1288	}
		1289
		1290	void
		1291	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
		1292	PPCODE:
		1293	{
		1294	dREQ;
		1295
		1296	req->type = EIO_MLOCKALL;
		1297	req->int1 = flags;
		1298
		1299	REQ_SEND;
		1300	}
		1301
		1302	void
912	aio_busy (double delay, SV *callback=&PL_sv_undef)	1303	aio_busy (double delay, SV *callback=&PL_sv_undef)
913	PPCODE:	1304	PPCODE:
914	{	1305	{
915	dREQ;	1306	dREQ;
916		1307
…		…
920	REQ_SEND;	1311	REQ_SEND;
921	}	1312	}
922		1313
923	void	1314	void
924	aio_group (SV *callback=&PL_sv_undef)	1315	aio_group (SV *callback=&PL_sv_undef)
925	PROTOTYPE: ;$
926	PPCODE:	1316	PPCODE:
927	{	1317	{
928	dREQ;	1318	dREQ;
929		1319
930	req->type = EIO_GROUP;	1320	req->type = EIO_GROUP;
931		1321
932	req_submit (req);	1322	req_submit (req);
933	XPUSHs (req_sv (req, AIO_GRP_KLASS));	1323	XPUSHs (req_sv (req, aio_grp_stash));
934	}	1324	}
935		1325
936	void	1326	void
937	aio_nop (SV *callback=&PL_sv_undef)	1327	aio_nop (SV *callback=&PL_sv_undef)
938	ALIAS:	1328	ALIAS:
…		…
947	REQ_SEND;	1337	REQ_SEND;
948	}	1338	}
949		1339
950	int	1340	int
951	aioreq_pri (int pri = 0)	1341	aioreq_pri (int pri = 0)
952	PROTOTYPE: ;$
953	CODE:	1342	CODE:
954	RETVAL = next_pri;	1343	RETVAL = next_pri;
955	if (items > 0)	1344	if (items > 0)
956	{	1345	{
957	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1346	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
969	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1358	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
970	next_pri = nice;	1359	next_pri = nice;
971		1360
972	void	1361	void
973	flush ()	1362	flush ()
974	PROTOTYPE:
975	CODE:	1363	CODE:
976	while (eio_nreqs ())	1364	while (eio_nreqs ())
977	{	1365	{
978	poll_wait ();	1366	poll_wait ();
979	poll_cb ();	1367	poll_cb ();
980	}	1368	}
981		1369
982	int	1370	int
983	poll()	1371	poll ()
984	PROTOTYPE:
985	CODE:	1372	CODE:
986	poll_wait ();	1373	poll_wait ();
987	RETVAL = poll_cb ();	1374	RETVAL = poll_cb ();
988	OUTPUT:	1375	OUTPUT:
989	RETVAL	1376	RETVAL
990		1377
991	int	1378	int
992	poll_fileno()	1379	poll_fileno ()
993	PROTOTYPE:
994	CODE:	1380	CODE:
995	RETVAL = respipe [0];	1381	RETVAL = s_epipe_fd (&respipe);
996	OUTPUT:	1382	OUTPUT:
997	RETVAL	1383	RETVAL
998		1384
999	int	1385	int
1000	poll_cb(...)	1386	poll_cb (...)
1001	PROTOTYPE:	1387	PROTOTYPE:
1002	CODE:	1388	CODE:
1003	RETVAL = poll_cb ();	1389	RETVAL = poll_cb ();
1004	OUTPUT:	1390	OUTPUT:
1005	RETVAL	1391	RETVAL
1006		1392
1007	void	1393	void
1008	poll_wait()	1394	poll_wait ()
1009	PROTOTYPE:
1010	CODE:	1395	CODE:
1011	poll_wait ();	1396	poll_wait ();
1012		1397
1013	int	1398	int
1014	nreqs()	1399	nreqs ()
1015	PROTOTYPE:
1016	CODE:	1400	CODE:
1017	RETVAL = eio_nreqs ();	1401	RETVAL = eio_nreqs ();
1018	OUTPUT:	1402	OUTPUT:
1019	RETVAL	1403	RETVAL
1020		1404
1021	int	1405	int
1022	nready()	1406	nready ()
1023	PROTOTYPE:
1024	CODE:	1407	CODE:
1025	RETVAL = eio_nready ();	1408	RETVAL = eio_nready ();
1026	OUTPUT:	1409	OUTPUT:
1027	RETVAL	1410	RETVAL
1028		1411
1029	int	1412	int
1030	npending()	1413	npending ()
1031	PROTOTYPE:
1032	CODE:	1414	CODE:
1033	RETVAL = eio_npending ();	1415	RETVAL = eio_npending ();
1034	OUTPUT:	1416	OUTPUT:
1035	RETVAL	1417	RETVAL
1036		1418
1037	int	1419	int
1038	nthreads()	1420	nthreads ()
1039	PROTOTYPE:
1040	CODE:	1421	CODE:
1041	RETVAL = eio_nthreads ();	1422	RETVAL = eio_nthreads ();
1042	OUTPUT:	1423	OUTPUT:
1043	RETVAL	1424	RETVAL
1044		1425
		1426	int
		1427	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
		1428	CODE:
		1429	RETVAL = posix_fadvise (fh, offset, length, advice);
		1430	OUTPUT:
		1431	RETVAL
		1432
		1433	ssize_t
		1434	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
		1435	CODE:
		1436	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
		1437	OUTPUT:
		1438	RETVAL
		1439
		1440	void
		1441	mmap (SV scalar, size_t length, int prot, int flags, SV fh, off_t offset = 0)
		1442	PPCODE:
		1443	sv_unmagic (scalar, MMAP_MAGIC);
		1444	{
		1445	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
		1446	void addr = (void )mmap (0, length, prot, flags, fd, offset);
		1447	if (addr == (void *)-1)
		1448	XSRETURN_NO;
		1449
		1450	sv_force_normal (scalar);
		1451
		1452	/* we store the length in mg_obj, as namlen is I32 :/ */
		1453	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
		1454	->mg_obj = (SV *)length;
		1455
		1456	SvUPGRADE (scalar, SVt_PV); /* nop... */
		1457
		1458	if (!(prot & PROT_WRITE))
		1459	SvREADONLY_on (scalar);
		1460
		1461	if (SvLEN (scalar))
		1462	Safefree (SvPVX (scalar));
		1463
		1464	SvPVX (scalar) = (char *)addr;
		1465	SvCUR_set (scalar, length);
		1466	SvLEN_set (scalar, 0);
		1467	SvPOK_only (scalar);
		1468
		1469	XSRETURN_YES;
		1470	}
		1471
		1472	void
		1473	munmap (SV *scalar)
		1474	CODE:
		1475	sv_unmagic (scalar, MMAP_MAGIC);
		1476
		1477	int
		1478	madvise (SV scalar, off_t offset = 0, SV length = &PL_sv_undef, IV advice_or_prot)
		1479	ALIAS:
		1480	mprotect = 1
		1481	CODE:
		1482	{
		1483	STRLEN svlen;
		1484	void *addr = SvPVbyte (scalar, svlen);
		1485	size_t len = SvUV (length);
		1486
		1487	if (offset < 0)
		1488	offset += svlen;
		1489
		1490	if (offset < 0 \|\| offset > svlen)
		1491	croak ("offset outside of scalar");
		1492
		1493	if (!SvOK (length) \|\| len + offset > svlen)
		1494	len = svlen - offset;
		1495
		1496	addr = (void *)(((intptr_t)addr) + offset);
		1497	eio_page_align (&addr, &len);
		1498
		1499	switch (ix)
		1500	{
		1501	case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
		1502	case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
		1503	}
		1504	}
		1505	OUTPUT:
		1506	RETVAL
		1507
		1508	int
		1509	munlock (SV scalar, off_t offset = 0, SV length = &PL_sv_undef)
		1510	CODE:
		1511	{
		1512	STRLEN svlen;
		1513	void *addr = SvPVbyte (scalar, svlen);
		1514	size_t len = SvUV (length);
		1515
		1516	if (offset < 0)
		1517	offset += svlen;
		1518
		1519	if (offset < 0 \|\| offset > svlen)
		1520	croak ("offset outside of scalar");
		1521
		1522	if (!SvOK (length) \|\| len + offset > svlen)
		1523	len = svlen - offset;
		1524
		1525	addr = (void *)(((intptr_t)addr) + offset);
		1526	eio_page_align (&addr, &len);
		1527	#if _POSIX_MEMLOCK
		1528	RETVAL = munlock (addr, len);
		1529	#else
		1530	RETVAL = ((errno = ENOSYS), -1);
		1531	#endif
		1532	}
		1533	OUTPUT:
		1534	RETVAL
		1535
		1536	int
		1537	munlockall ()
		1538	CODE:
		1539	#if _POSIX_MEMLOCK
		1540	munlockall ();
		1541	#else
		1542	RETVAL = -1;
		1543	errno = ENOSYS;
		1544	#endif
		1545	OUTPUT:
		1546	RETVAL
		1547
1045	void _on_next_submit (SV *cb)	1548	void _on_next_submit (SV *cb)
1046	CODE:	1549	CODE:
1047	SvREFCNT_dec (on_next_submit);	1550	SvREFCNT_dec (on_next_submit);
1048	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1551	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1049		1552
…		…
1063	if (GIMME_V != G_VOID)	1566	if (GIMME_V != G_VOID)
1064	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	1567	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1065		1568
1066	if (items > 1)	1569	if (items > 1)
1067	{	1570	{
1068	SV *cb_cv = get_cb (callback);	1571	SV *cb_cv =get_cb (callback);
1069		1572
1070	SvREFCNT_dec (req->callback);	1573	SvREFCNT_dec (req->callback);
1071	req->callback = SvREFCNT_inc (cb_cv);	1574	req->callback = SvREFCNT_inc (cb_cv);
1072	}	1575	}
1073	}	1576	}
…		…
1110	AV *av;	1613	AV *av;
1111		1614
1112	grp->errorno = errno;	1615	grp->errorno = errno;
1113		1616
1114	av = newAV ();	1617	av = newAV ();
		1618	av_extend (av, items - 1);
1115		1619
1116	for (i = 1; i < items; ++i )	1620	for (i = 1; i < items; ++i )
1117	av_push (av, newSVsv (ST (i)));	1621	av_push (av, newSVsv (ST (i)));
1118		1622
1119	SvREFCNT_dec (grp->sv1);	1623	SvREFCNT_dec (grp->sv1);
…		…
1133	void	1637	void
1134	feed (aio_req grp, SV *callback=&PL_sv_undef)	1638	feed (aio_req grp, SV *callback=&PL_sv_undef)
1135	CODE:	1639	CODE:
1136	{	1640	{
1137	SvREFCNT_dec (grp->sv2);	1641	SvREFCNT_dec (grp->sv2);
1138	grp->sv2 = newSVsv (callback);	1642	grp->sv2 = newSVsv (callback);
		1643	grp->feed = aio_grp_feed;
1139		1644
1140	if (grp->int2 <= 0)	1645	if (grp->int2 <= 0)
1141	grp->int2 = 2;	1646	grp->int2 = 2;
1142		1647
1143	eio_grp_limit (grp, grp->int2);	1648	eio_grp_limit (grp, grp->int2);

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Comparing IO-AIO/AIO.xs (file contents): Revision 1.129 by root, Tue Sep 30 17:03:53 2008 UTC vs. Revision 1.175 by root, Wed Dec 1 04:43:12 2010 UTC

Diff Legend

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.129 by root, Tue Sep 30 17:03:53 2008 UTC vs.
Revision 1.175 by root, Wed Dec 1 04:43:12 2010 UTC