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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.153 by root, Wed Jul 15 01:36:04 2009 UTC vs.
Revision 1.169 by root, Wed Aug 4 16:06:54 2010 UTC

…		…
11	#include <stddef.h>	11	#include <stddef.h>
12	#include <stdlib.h>	12	#include <stdlib.h>
13	#include <errno.h>	13	#include <errno.h>
14	#include <sys/types.h>	14	#include <sys/types.h>
15	#include <sys/stat.h>	15	#include <sys/stat.h>
		16	#include <sys/statvfs.h>
16	#include <limits.h>	17	#include <limits.h>
17	#include <fcntl.h>	18	#include <fcntl.h>
18	#include <sched.h>	19	#include <sched.h>
		20
		21	#if _POSIX_MEMLOCK \|\| _POSIX_MAPPED_FILES
		22	# include <sys/mman.h>
		23	#endif
19		24
20	/* perl namespace pollution */	25	/* perl namespace pollution */
21	#undef VERSION	26	#undef VERSION
22		27
23	#ifdef _WIN32	28	#ifdef _WIN32
…		…
99	#define expect_false(expr) expect ((expr) != 0, 0)	104	#define expect_false(expr) expect ((expr) != 0, 0)
100	#define expect_true(expr) expect ((expr) != 0, 1)	105	#define expect_true(expr) expect ((expr) != 0, 1)
101		106
102	/*****************************************************************************/	107	/*****************************************************************************/
103		108
104	static HV *stash;
105	typedef SV SV8; /* byte-sv, used for argument-checking */	109	typedef SV SV8; /* byte-sv, used for argument-checking */
106	typedef int aio_rfd; /* read file desriptor */	110	typedef int aio_rfd; /* read file desriptor */
107	typedef int aio_wfd; /* write file descriptor */	111	typedef int aio_wfd; /* write file descriptor */
108		112
109	#define AIO_REQ_KLASS "IO::AIO::REQ"	113	static HV aio_stash, aio_req_stash, *aio_grp_stash;
110	#define AIO_GRP_KLASS "IO::AIO::GRP"
111		114
112	#define EIO_REQ_MEMBERS \	115	#define EIO_REQ_MEMBERS \
113	SV *callback; \	116	SV *callback; \
114	SV sv1, sv2; \	117	SV sv1, sv2; \
115	STRLEN stroffset; \	118	STRLEN stroffset; \
…		…
121		124
122	#ifndef POSIX_FADV_NORMAL	125	#ifndef POSIX_FADV_NORMAL
123	# define POSIX_FADV_NORMAL 0	126	# define POSIX_FADV_NORMAL 0
124	# define NO_FADVISE 1	127	# define NO_FADVISE 1
125	#endif	128	#endif
126
127	#ifndef POSIX_FADV_SEQUENTIAL	129	#ifndef POSIX_FADV_SEQUENTIAL
128	# define POSIX_FADV_SEQUENTIAL 0	130	# define POSIX_FADV_SEQUENTIAL 0
129	#endif	131	#endif
130
131	#ifndef POSIX_FADV_RANDOM	132	#ifndef POSIX_FADV_RANDOM
132	# define POSIX_FADV_RANDOM 0	133	# define POSIX_FADV_RANDOM 0
133	#endif	134	#endif
134
135	#ifndef POSIX_FADV_NOREUSE	135	#ifndef POSIX_FADV_NOREUSE
136	# define POSIX_FADV_NOREUSE 0	136	# define POSIX_FADV_NOREUSE 0
137	#endif	137	#endif
138
139	#ifndef POSIX_FADV_WILLNEED	138	#ifndef POSIX_FADV_WILLNEED
140	# define POSIX_FADV_WILLNEED 0	139	# define POSIX_FADV_WILLNEED 0
141	#endif	140	#endif
142
143	#ifndef POSIX_FADV_DONTNEED	141	#ifndef POSIX_FADV_DONTNEED
144	# define POSIX_FADV_DONTNEED 0	142	# define POSIX_FADV_DONTNEED 0
		143	#endif
		144
		145	#ifndef POSIX_MADV_NORMAL
		146	# define POSIX_MADV_NORMAL 0
		147	# define NO_MADVISE 1
		148	#endif
		149	#ifndef POSIX_MADV_SEQUENTIAL
		150	# define POSIX_MADV_SEQUENTIAL 0
		151	#endif
		152	#ifndef POSIX_MADV_RANDOM
		153	# define POSIX_MADV_RANDOM 0
		154	#endif
		155	#ifndef POSIX_MADV_WILLNEED
		156	# define POSIX_MADV_WILLNEED 0
		157	#endif
		158	#ifndef POSIX_MADV_DONTNEED
		159	# define POSIX_MADV_DONTNEED 0
		160	#endif
		161
		162	#ifndef ST_NODEV
		163	# define ST_NODEV 0
		164	#endif
		165	#ifndef ST_NOEXEC
		166	# define ST_NOEXEC 0
		167	#endif
		168	#ifndef ST_SYNCHRONOUS
		169	# define ST_SYNCHRONOUS 0
		170	#endif
		171	#ifndef ST_MANDLOCK
		172	# define ST_MANDLOCK 0
		173	#endif
		174	#ifndef ST_WRITE
		175	# define ST_WRITE 0
		176	#endif
		177	#ifndef ST_APPEND
		178	# define ST_APPEND 0
		179	#endif
		180	#ifndef ST_IMMUTABLE
		181	# define ST_IMMUTABLE 0
		182	#endif
		183	#ifndef ST_NOATIME
		184	# define ST_NOATIME 0
		185	#endif
		186	#ifndef ST_NODIRATIME
		187	# define ST_NODIRATIME 0
		188	#endif
		189	#ifndef ST_RELATIME
		190	# define ST_RELATIME 0
		191	#endif
		192
		193	#ifndef MCL_CURRENT
		194	# define MCL_CURRENT 0
		195	#endif
		196	#ifndef MCL_FUTURE
		197	# define MCL_FUTURE 0
		198	#endif
		199
		200	#ifndef MAP_ANONYMOUS
		201	# ifdef MAP_ANON
		202	# define MAP_ANONYMOUS MAP_ANON
		203	# else
		204	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
		205	# endif
		206	#endif
		207	#ifndef MAP_HUGETLB
		208	# define MAP_HUGETLB 0
		209	#endif
		210	#ifndef MAP_LOCKED
		211	# define MAP_LOCKED 0
		212	#endif
		213	#ifndef MAP_NORESERVE
		214	# define MAP_NORESERVE 0
		215	#endif
		216	#ifndef MAP_POPULATE
		217	# define MAP_POPULATE 0
		218	#endif
		219	#ifndef MAP_NONBLOCK
		220	# define MAP_NONBLOCK 0
		221	#endif
		222
		223	#ifndef PAGESIZE
		224	# define PAGESIZE sysconf (_SC_PAGESIZE)
145	#endif	225	#endif
146		226
147	static int req_invoke (eio_req *req);	227	static int req_invoke (eio_req *req);
148	#define EIO_FINISH(req) req_invoke (req)	228	#define EIO_FINISH(req) req_invoke (req)
149	static void req_destroy (eio_req *grp);	229	static void req_destroy (eio_req *grp);
…		…
160		240
161	static SV *on_next_submit;	241	static SV *on_next_submit;
162	static int next_pri = EIO_PRI_DEFAULT;	242	static int next_pri = EIO_PRI_DEFAULT;
163	static int max_outstanding;	243	static int max_outstanding;
164		244
165	static int respipe_osf [2];
166	static s_epipe respipe;	245	static s_epipe respipe;
167		246
168	static void req_destroy (aio_req req);	247	static void req_destroy (aio_req req);
169	static void req_cancel (aio_req req);	248	static void req_cancel (aio_req req);
170		249
…		…
179	/* read any signals sent by the worker threads */	258	/* read any signals sent by the worker threads */
180	s_epipe_drain (&respipe);	259	s_epipe_drain (&respipe);
181	}	260	}
182		261
183	/* must be called at most once */	262	/* must be called at most once */
184	static SV req_sv (aio_req req, const char klass)	263	static SV req_sv (aio_req req, HV stash)
185	{	264	{
186	if (!req->self)	265	if (!req->self)
187	{	266	{
188	req->self = (SV *)newHV ();	267	req->self = (SV *)newHV ();
189	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	268	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
190	}	269	}
191		270
192	return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1)));	271	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
193	}	272	}
194		273
195	static aio_req SvAIO_REQ (SV *sv)	274	static aio_req SvAIO_REQ (SV *sv)
196	{	275	{
197	MAGIC *mg;	276	MAGIC *mg;
198		277
199	if (!sv_derived_from (sv, AIO_REQ_KLASS) \|\| !SvROK (sv))	278	if (!SvROK (sv)
		279	\|\| (SvSTASH (SvRV (sv)) != aio_grp_stash
		280	&& SvSTASH (SvRV (sv)) != aio_req_stash
		281	&& !sv_derived_from (sv, "IO::AIO::REQ")))
200	croak ("object of class " AIO_REQ_KLASS " expected");	282	croak ("object of class IO::AIO::REQ expected");
201		283
202	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	284	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
203		285
204	return mg ? (aio_req)mg->mg_ptr : 0;	286	return mg ? (aio_req)mg->mg_ptr : 0;
205	}	287	}
…		…
211	dSP;	293	dSP;
212		294
213	ENTER;	295	ENTER;
214	SAVETMPS;	296	SAVETMPS;
215	PUSHMARK (SP);	297	PUSHMARK (SP);
216	XPUSHs (req_sv (grp, AIO_GRP_KLASS));	298	XPUSHs (req_sv (grp, aio_grp_stash));
217	PUTBACK;	299	PUTBACK;
218	call_sv (grp->sv2, G_VOID \| G_EVAL \| G_KEEPERR);	300	call_sv (grp->sv2, G_VOID \| G_EVAL \| G_KEEPERR);
219	SPAGAIN;	301	SPAGAIN;
220	FREETMPS;	302	FREETMPS;
221	LEAVE;	303	LEAVE;
…		…
239	}	321	}
240	}	322	}
241		323
242	static int req_invoke (eio_req *req)	324	static int req_invoke (eio_req *req)
243	{	325	{
244	dSP;
245
246	if (req->flags & FLAG_SV2_RO_OFF)	326	if (req->flags & FLAG_SV2_RO_OFF)
247	SvREADONLY_off (req->sv2);	327	SvREADONLY_off (req->sv2);
248		328
249	if (!EIO_CANCELLED (req) && req->callback)	329	if (!EIO_CANCELLED (req) && req->callback)
250	{	330	{
		331	dSP;
		332	static SV sv_result_cache; / caches the result integer SV */
		333	SV *sv_result;
		334
251	ENTER;	335	ENTER;
252	SAVETMPS;	336	SAVETMPS;
253	PUSHMARK (SP);	337	PUSHMARK (SP);
254	EXTEND (SP, 1);	338	EXTEND (SP, 1);
		339
		340	/* do not recreate the result IV from scratch each time */
		341	if (expect_true (sv_result_cache))
		342	{
		343	sv_result = sv_result_cache; sv_result_cache = 0;
		344	SvIV_set (sv_result, req->result);
		345	}
		346	else
		347	{
		348	sv_result = newSViv (req->result);
		349	SvREADONLY_on (sv_result);
		350	}
255		351
256	switch (req->type)	352	switch (req->type)
257	{	353	{
258	case EIO_READDIR:	354	case EIO_READDIR:
259	{	355	{
…		…
327	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);	423	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);
328	char sym [64];	424	char sym [64];
329	int symlen;	425	int symlen;
330		426
331	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);	427	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
332	gv_init (gv, stash, sym, symlen, 0);	428	gv_init (gv, aio_stash, sym, symlen, 0);
333		429
334	symlen = snprintf (	430	symlen = snprintf (
335	sym,	431	sym,
336	sizeof (sym),	432	sizeof (sym),
337	"%s&=%d",	433	"%s&=%d",
…		…
345		441
346	PUSHs (fh);	442	PUSHs (fh);
347	}	443	}
348	break;	444	break;
349		445
		446	case EIO_STATVFS:
		447	case EIO_FSTATVFS:
		448	{
		449	SV *rv = &PL_sv_undef;
		450
		451	if (req->result >= 0)
		452	{
		453	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
		454	HV *hv = newHV ();
		455
		456	rv = sv_2mortal (newRV_noinc ((SV *)hv));
		457
		458	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
		459	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
		460	hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
		461	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
		462	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
		463	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
		464	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
		465	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
		466	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
		467	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
		468	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
		469	}
		470
		471	PUSHs (rv);
		472	}
		473
		474	break;
		475
350	case EIO_GROUP:	476	case EIO_GROUP:
351	req->int1 = 2; /* mark group as finished */	477	req->int1 = 2; /* mark group as finished */
352		478
353	if (req->sv1)	479	if (req->sv1)
354	{	480	{
…		…
374	case EIO_LSTAT:	500	case EIO_LSTAT:
375	case EIO_FSTAT:	501	case EIO_FSTAT:
376	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	502	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
377	PL_laststatval = req->result;	503	PL_laststatval = req->result;
378	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);	504	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);
379	PUSHs (sv_2mortal (newSViv (req->result)));	505	PUSHs (sv_result);
380	break;	506	break;
381		507
382	case EIO_READ:	508	case EIO_READ:
383	{	509	{
384	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	510	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
385	*SvEND (req->sv2) = 0;	511	*SvEND (req->sv2) = 0;
386	SvPOK_only (req->sv2);	512	SvPOK_only (req->sv2);
387	SvSETMAGIC (req->sv2);	513	SvSETMAGIC (req->sv2);
388	PUSHs (sv_2mortal (newSViv (req->result)));	514	PUSHs (sv_result);
389	}	515	}
390	break;	516	break;
391		517
392	case EIO_DUP2:	518	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */
393	if (req->result > 0)	519	if (req->result > 0)
394	req->result = 0;	520	SvIV_set (sv_result, 0);
395	/* FALLTHROUGH */	521	/* FALLTHROUGH */
396		522
397	default:	523	default:
398	PUSHs (sv_2mortal (newSViv (req->result)));	524	PUSHs (sv_result);
399	break;	525	break;
400	}	526	}
401		527
402	errno = req->errorno;	528	errno = req->errorno;
403		529
404	PUTBACK;	530	PUTBACK;
405	call_sv (req->callback, G_VOID \| G_EVAL \| G_DISCARD);	531	call_sv (req->callback, G_VOID \| G_EVAL \| G_DISCARD);
406	SPAGAIN;	532	SPAGAIN;
		533
		534	if (expect_false (SvREFCNT (sv_result) != 1 \|\| sv_result_cache))
		535	SvREFCNT_dec (sv_result);
		536	else
		537	sv_result_cache = sv_result;
407		538
408	FREETMPS;	539	FREETMPS;
409	LEAVE;	540	LEAVE;
410		541
411	PUTBACK;	542	PUTBACK;
…		…
444		575
445	static void	576	static void
446	create_respipe (void)	577	create_respipe (void)
447	{	578	{
448	if (s_epipe_renew (&respipe))	579	if (s_epipe_renew (&respipe))
449	croak ("unable to initialize result pipe");	580	croak ("IO::AIO: unable to initialize result pipe");
450
451	respipe_osf [0] = S_TO_SOCKET (respipe.fd [0]);
452	respipe_osf [1] = S_TO_SOCKET (respipe.fd [1]);
453	}	581	}
454		582
455	static void poll_wait (void)	583	static void poll_wait (void)
456	{	584	{
457	while (eio_nreqs ())	585	while (eio_nreqs ())
…		…
489		617
490	static void atfork_child (void)	618	static void atfork_child (void)
491	{	619	{
492	create_respipe ();	620	create_respipe ();
493	}	621	}
		622
		623	/*****************************************************************************/
		624
		625	#if !_POSIX_MAPPED_FILES
		626	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
		627	# define munmap(addr,length) (errno = ENOSYS, -1)
		628	#endif
		629
		630	#define MMAP_MAGIC PERL_MAGIC_ext
		631
		632	static int
		633	mmap_free (pTHX_ SV sv, MAGIC mg)
		634	{
		635	int old_errno = errno;
		636	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		637	errno = old_errno;
		638
		639	mg->mg_obj = 0; /* just in case */
		640
		641	SvREADONLY_off (sv);
		642
		643	if (SvPVX (sv) != mg->mg_ptr)
		644	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		645
		646	SvCUR_set (sv, 0);
		647	SvPVX (sv) = 0;
		648	SvOK_off (sv);
		649
		650	return 0;
		651	}
		652
		653	static MGVTBL mmap_vtbl = {
		654	0, 0, 0, 0, mmap_free
		655	};
		656
		657	/*****************************************************************************/
494		658
495	static SV *	659	static SV *
496	get_cb (SV *cb_sv)	660	get_cb (SV *cb_sv)
497	{	661	{
498	SvGETMAGIC (cb_sv);	662	SvGETMAGIC (cb_sv);
…		…
518	PUTBACK; \	682	PUTBACK; \
519	req_submit (req); \	683	req_submit (req); \
520	SPAGAIN; \	684	SPAGAIN; \
521	\	685	\
522	if (GIMME_V != G_VOID) \	686	if (GIMME_V != G_VOID) \
523	XPUSHs (req_sv (req, AIO_REQ_KLASS));	687	XPUSHs (req_sv (req, aio_req_stash));
524		688
525	MODULE = IO::AIO PACKAGE = IO::AIO	689	MODULE = IO::AIO PACKAGE = IO::AIO
526		690
527	PROTOTYPES: ENABLE	691	PROTOTYPES: ENABLE
528		692
…		…
530	{	694	{
531	static const struct {	695	static const struct {
532	const char *name;	696	const char *name;
533	IV iv;	697	IV iv;
534	} *civ, const_iv[] = {	698	} *civ, const_iv[] = {
535	# define const_iv(name, value) { # name, (IV) value },	699	# define const_niv(name, value) { # name, (IV) value },
		700	# define const_iv(name) { # name, (IV) name },
536	# define const_eio(name) { # name, (IV) EIO_ ## name },	701	# define const_eio(name) { # name, (IV) EIO_ ## name },
537	const_iv (EXDEV , EXDEV)	702	const_iv (EXDEV)
538	const_iv (ENOSYS , ENOSYS)	703	const_iv (ENOSYS)
539	const_iv (O_RDONLY, O_RDONLY)	704	const_iv (O_RDONLY)
540	const_iv (O_WRONLY, O_WRONLY)	705	const_iv (O_WRONLY)
		706	const_iv (O_RDWR)
541	const_iv (O_CREAT , O_CREAT)	707	const_iv (O_CREAT)
542	const_iv (O_TRUNC , O_TRUNC)	708	const_iv (O_TRUNC)
		709	const_iv (O_EXCL)
		710	const_iv (O_APPEND)
543	#ifndef _WIN32	711	#ifndef _WIN32
544	const_iv (S_IFIFO , S_IFIFO)	712	const_iv (S_IFIFO)
545	#endif	713	#endif
546	const_iv (FADV_NORMAL , POSIX_FADV_NORMAL)	714	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
547	const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)	715	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
548	const_iv (FADV_RANDOM , POSIX_FADV_RANDOM)	716	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
549	const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE)	717	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
550	const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED)	718	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
551	const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED)	719	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		720
		721	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		722	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		723	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		724	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		725	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		726
		727	const_iv (ST_RDONLY)
		728	const_iv (ST_NOSUID)
		729	const_iv (ST_NODEV)
		730	const_iv (ST_NOEXEC)
		731	const_iv (ST_SYNCHRONOUS)
		732	const_iv (ST_MANDLOCK)
		733	const_iv (ST_WRITE)
		734	const_iv (ST_APPEND)
		735	const_iv (ST_IMMUTABLE)
		736	const_iv (ST_NOATIME)
		737	const_iv (ST_NODIRATIME)
		738	const_iv (ST_RELATIME)
		739
		740	const_iv (PROT_EXEC)
		741	const_iv (PROT_NONE)
		742	const_iv (PROT_READ)
		743	const_iv (PROT_WRITE)
		744
		745	/const_iv (MAP_FIXED)/
		746	const_iv (MAP_PRIVATE)
		747	const_iv (MAP_SHARED)
		748	const_iv (MAP_ANONYMOUS)
		749
		750	/* linuxish */
		751	const_iv (MAP_HUGETLB)
		752	const_iv (MAP_LOCKED)
		753	const_iv (MAP_NORESERVE)
		754	const_iv (MAP_POPULATE)
		755	const_iv (MAP_NONBLOCK)
		756
		757	const_iv (MCL_FUTURE)
		758	const_iv (MCL_CURRENT)
		759
		760	const_eio (MS_ASYNC)
		761	const_eio (MS_INVALIDATE)
		762	const_eio (MS_SYNC)
		763
		764	const_eio (MT_MODIFY)
552		765
553	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	766	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
554	const_eio (SYNC_FILE_RANGE_WRITE)	767	const_eio (SYNC_FILE_RANGE_WRITE)
555	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	768	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
556		769
…		…
568	const_eio (DT_LNK)	781	const_eio (DT_LNK)
569	const_eio (DT_SOCK)	782	const_eio (DT_SOCK)
570	const_eio (DT_WHT)	783	const_eio (DT_WHT)
571	};	784	};
572		785
573	stash = gv_stashpv ("IO::AIO", 1);	786	aio_stash = gv_stashpv ("IO::AIO" , 1);
		787	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
		788	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
574		789
575	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	790	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
576	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	791	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
		792
		793	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
577		794
578	create_respipe ();	795	create_respipe ();
579		796
580	if (eio_init (want_poll, done_poll) < 0)	797	if (eio_init (want_poll, done_poll) < 0)
581	croak ("IO::AIO: unable to initialise eio library");	798	croak ("IO::AIO: unable to initialise eio library");
…		…
808	}	1025	}
809		1026
810	void	1027	void
811	aio_stat (SV8 fh_or_path, SV callback=&PL_sv_undef)	1028	aio_stat (SV8 fh_or_path, SV callback=&PL_sv_undef)
812	ALIAS:	1029	ALIAS:
813	aio_stat = EIO_STAT	1030	aio_stat = EIO_STAT
814	aio_lstat = EIO_LSTAT	1031	aio_lstat = EIO_LSTAT
		1032	aio_statvfs = EIO_STATVFS
815	PPCODE:	1033	PPCODE:
816	{	1034	{
817	dREQ;	1035	dREQ;
818		1036
819	req->sv1 = newSVsv (fh_or_path);	1037	req->sv1 = newSVsv (fh_or_path);
…		…
823	req->type = ix;	1041	req->type = ix;
824	req->ptr1 = SvPVbyte_nolen (req->sv1);	1042	req->ptr1 = SvPVbyte_nolen (req->sv1);
825	}	1043	}
826	else	1044	else
827	{	1045	{
828	req->type = EIO_FSTAT;	1046	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
829	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	1047	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
830	}	1048	}
831		1049
832	REQ_SEND;	1050	REQ_SEND;
833	}	1051	}
…		…
996		1214
997	REQ_SEND;	1215	REQ_SEND;
998	}	1216	}
999		1217
1000	void	1218	void
		1219	aio_mtouch (SV8 data, IV offset = 0, SV length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
		1220	ALIAS:
		1221	aio_mtouch = EIO_MTOUCH
		1222	aio_msync = EIO_MSYNC
		1223	PROTOTYPE: $$$$;$
		1224	PPCODE:
		1225	{
		1226	STRLEN svlen;
		1227	UV len = SvUV (length);
		1228	char *svptr = SvPVbyte (data, svlen);
		1229
		1230	if (offset < 0)
		1231	offset += svlen;
		1232
		1233	if (offset < 0 \|\| offset > svlen)
		1234	croak ("offset outside of scalar");
		1235
		1236	if (!SvOK (length) \|\| len + offset > svlen)
		1237	len = svlen - offset;
		1238
		1239	{
		1240	dREQ;
		1241
		1242	req->type = ix;
		1243	req->size = len;
		1244	req->sv2 = SvREFCNT_inc (data);
		1245	req->ptr2 = (char *)svptr + offset;
		1246	req->int1 = flags;
		1247
		1248	REQ_SEND;
		1249	}
		1250	}
		1251
		1252	void
1001	aio_busy (double delay, SV *callback=&PL_sv_undef)	1253	aio_busy (double delay, SV *callback=&PL_sv_undef)
1002	PPCODE:	1254	PPCODE:
1003	{	1255	{
1004	dREQ;	1256	dREQ;
1005		1257
…		…
1017	dREQ;	1269	dREQ;
1018		1270
1019	req->type = EIO_GROUP;	1271	req->type = EIO_GROUP;
1020		1272
1021	req_submit (req);	1273	req_submit (req);
1022	XPUSHs (req_sv (req, AIO_GRP_KLASS));	1274	XPUSHs (req_sv (req, aio_grp_stash));
1023	}	1275	}
1024		1276
1025	void	1277	void
1026	aio_nop (SV *callback=&PL_sv_undef)	1278	aio_nop (SV *callback=&PL_sv_undef)
1027	ALIAS:	1279	ALIAS:
…		…
1136	PROTOTYPE: $$$$	1388	PROTOTYPE: $$$$
1137	CODE:	1389	CODE:
1138	#if _XOPEN_SOURCE >= 600 && !NO_FADVISE	1390	#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1139	RETVAL = posix_fadvise (fh, offset, length, advice);	1391	RETVAL = posix_fadvise (fh, offset, length, advice);
1140	#else	1392	#else
1141	RETVAL = errno = ENOSYS;	1393	RETVAL = errno = ENOSYS; /* yes, this is actually correct */
1142	#endif	1394	#endif
1143	OUTPUT:	1395	OUTPUT:
1144	RETVAL	1396	RETVAL
1145		1397
1146	ssize_t	1398	ssize_t
1147	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1399	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1148	PROTOTYPE: $$$$	1400	PROTOTYPE: $$$$
1149	CODE:	1401	CODE:
1150	eio_sendfile_sync (ofh, ifh, offset, count);	1402	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
		1403	OUTPUT:
		1404	RETVAL
		1405
		1406	void
		1407	mmap (SV scalar, size_t length, int prot, int flags, SV fh, off_t offset = 0)
		1408	PROTOTYPE: $$$$$;$
		1409	PPCODE:
		1410	sv_unmagic (scalar, MMAP_MAGIC);
		1411	{
		1412	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
		1413	void addr = (void )mmap (0, length, prot, flags, fd, offset);
		1414	if (addr == (void *)-1)
		1415	XSRETURN_NO;
		1416
		1417	sv_force_normal (scalar);
		1418
		1419	/* we store the length in mg_obj, as namlen is I32 :/ */
		1420	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
		1421	->mg_obj = (SV *)length;
		1422
		1423	SvUPGRADE (scalar, SVt_PV); /* nop... */
		1424
		1425	if (!(prot & PROT_WRITE))
		1426	SvREADONLY_on (scalar);
		1427
		1428	if (SvLEN (scalar))
		1429	Safefree (SvPVX (scalar));
		1430
		1431	SvPVX (scalar) = (char *)addr;
		1432	SvCUR_set (scalar, length);
		1433	SvLEN_set (scalar, 0);
		1434	SvPOK_only (scalar);
		1435
		1436	XSRETURN_YES;
		1437	}
		1438
		1439	void
		1440	munmap (SV *scalar)
		1441	PROTOTYPE: $
		1442	CODE:
		1443	sv_unmagic (scalar, MMAP_MAGIC);
		1444
		1445	int
		1446	madvise (SV *scalar, off_t offset, off_t length, IV advice)
		1447	PROTOTYPE: $$$$
		1448	CODE:
		1449	{
		1450	char *addr = SvPV_nolen (scalar) + offset;
		1451
		1452	if (!SvOK (ST (2)))
		1453	length = SvCUR (scalar) - offset;
		1454
		1455	if (addr >= SvEND (scalar) \|\| length <= 0)
		1456	XSRETURN_EMPTY;
		1457
		1458	#if _XOPEN_SOURCE >= 600 && !NO_MADVISE
		1459	RETVAL = posix_madvise (addr, length, advice);
		1460	#else
		1461	RETVAL = errno = ENOSYS; /* yes, this is actually correct */
		1462	#endif
		1463	}
		1464	OUTPUT:
		1465	RETVAL
		1466
		1467	int
		1468	mlockall (int flags)
		1469	PROTOTYPE: $
		1470	CODE:
		1471	#if _POSIX_MEMLOCK
		1472	#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7
		1473	extern int mallopt (int, int);
		1474	mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
		1475	#endif
		1476	mlockall (flags);
		1477	#else
		1478	RETVAL = -1;
		1479	errno = ENOSYS;
		1480	#endif
		1481	OUTPUT:
		1482	RETVAL
		1483
		1484	int
		1485	munlockall ()
		1486	PROTOTYPE:
		1487	CODE:
		1488	#if _POSIX_MEMLOCK
		1489	munlockall ();
		1490	#else
		1491	RETVAL = -1;
		1492	errno = ENOSYS;
		1493	#endif
		1494	OUTPUT:
		1495	RETVAL
1151		1496
1152	void _on_next_submit (SV *cb)	1497	void _on_next_submit (SV *cb)
1153	CODE:	1498	CODE:
1154	SvREFCNT_dec (on_next_submit);	1499	SvREFCNT_dec (on_next_submit);
1155	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1500	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;

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Comparing IO-AIO/AIO.xs (file contents): Revision 1.153 by root, Wed Jul 15 01:36:04 2009 UTC vs. Revision 1.169 by root, Wed Aug 4 16:06:54 2010 UTC

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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.153 by root, Wed Jul 15 01:36:04 2009 UTC vs.
Revision 1.169 by root, Wed Aug 4 16:06:54 2010 UTC