[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 1.171 by root, Wed Aug 4 17:16:19 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	#if _XOPEN_SOURCE < 600 \|\| NO_FADVISE
		146	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
		147	#endif
		148
		149	#ifndef POSIX_MADV_NORMAL
		150	# define POSIX_MADV_NORMAL 0
		151	# define NO_MADVISE 1
		152	#endif
		153	#ifndef POSIX_MADV_SEQUENTIAL
		154	# define POSIX_MADV_SEQUENTIAL 0
		155	#endif
		156	#ifndef POSIX_MADV_RANDOM
		157	# define POSIX_MADV_RANDOM 0
		158	#endif
		159	#ifndef POSIX_MADV_WILLNEED
		160	# define POSIX_MADV_WILLNEED 0
		161	#endif
		162	#ifndef POSIX_MADV_DONTNEED
		163	# define POSIX_MADV_DONTNEED 0
		164	#endif
		165
		166	#if _XOPEN_SOURCE < 600 \|\| NO_MADVISE
		167	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
		168	#endif
		169
		170	#ifndef PROT_NONE
		171	# define PROT_NONE 0
		172	#endif
		173	#ifndef PROT_READ
		174	# define PROT_READ 0
		175	#endif
		176	#ifndef PROT_WRITE
		177	# define PROT_READ 0
		178	#endif
		179	#ifndef PROT_EXEC
		180	# define PROT_EXEC 0
		181	#endif
		182
		183	#ifndef ST_NODEV
		184	# define ST_NODEV 0
		185	#endif
		186	#ifndef ST_NOEXEC
		187	# define ST_NOEXEC 0
		188	#endif
		189	#ifndef ST_SYNCHRONOUS
		190	# define ST_SYNCHRONOUS 0
		191	#endif
		192	#ifndef ST_MANDLOCK
		193	# define ST_MANDLOCK 0
		194	#endif
		195	#ifndef ST_WRITE
		196	# define ST_WRITE 0
		197	#endif
		198	#ifndef ST_APPEND
		199	# define ST_APPEND 0
		200	#endif
		201	#ifndef ST_IMMUTABLE
		202	# define ST_IMMUTABLE 0
		203	#endif
		204	#ifndef ST_NOATIME
		205	# define ST_NOATIME 0
		206	#endif
		207	#ifndef ST_NODIRATIME
		208	# define ST_NODIRATIME 0
		209	#endif
		210	#ifndef ST_RELATIME
		211	# define ST_RELATIME 0
		212	#endif
		213
		214	#ifndef MCL_CURRENT
		215	# define MCL_CURRENT 0
		216	#endif
		217	#ifndef MCL_FUTURE
		218	# define MCL_FUTURE 0
		219	#endif
		220
		221	#ifndef MAP_ANONYMOUS
		222	# ifdef MAP_ANON
		223	# define MAP_ANONYMOUS MAP_ANON
		224	# else
		225	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
		226	# endif
		227	#endif
		228	#ifndef MAP_HUGETLB
		229	# define MAP_HUGETLB 0
		230	#endif
		231	#ifndef MAP_LOCKED
		232	# define MAP_LOCKED 0
		233	#endif
		234	#ifndef MAP_NORESERVE
		235	# define MAP_NORESERVE 0
		236	#endif
		237	#ifndef MAP_POPULATE
		238	# define MAP_POPULATE 0
		239	#endif
		240	#ifndef MAP_NONBLOCK
		241	# define MAP_NONBLOCK 0
		242	#endif
		243
		244	#ifndef PAGESIZE
		245	# define PAGESIZE sysconf (_SC_PAGESIZE)
145	#endif	246	#endif
146		247
147	static int req_invoke (eio_req *req);	248	static int req_invoke (eio_req *req);
148	#define EIO_FINISH(req) req_invoke (req)	249	#define EIO_FINISH(req) req_invoke (req)
149	static void req_destroy (eio_req *grp);	250	static void req_destroy (eio_req *grp);
…		…
160		261
161	static SV *on_next_submit;	262	static SV *on_next_submit;
162	static int next_pri = EIO_PRI_DEFAULT;	263	static int next_pri = EIO_PRI_DEFAULT;
163	static int max_outstanding;	264	static int max_outstanding;
164		265
165	static int respipe_osf [2];
166	static s_epipe respipe;	266	static s_epipe respipe;
167		267
168	static void req_destroy (aio_req req);	268	static void req_destroy (aio_req req);
169	static void req_cancel (aio_req req);	269	static void req_cancel (aio_req req);
170		270
…		…
179	/* read any signals sent by the worker threads */	279	/* read any signals sent by the worker threads */
180	s_epipe_drain (&respipe);	280	s_epipe_drain (&respipe);
181	}	281	}
182		282
183	/* must be called at most once */	283	/* must be called at most once */
184	static SV req_sv (aio_req req, const char klass)	284	static SV req_sv (aio_req req, HV stash)
185	{	285	{
186	if (!req->self)	286	if (!req->self)
187	{	287	{
188	req->self = (SV *)newHV ();	288	req->self = (SV *)newHV ();
189	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	289	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
190	}	290	}
191		291
192	return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1)));	292	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
193	}	293	}
194		294
195	static aio_req SvAIO_REQ (SV *sv)	295	static aio_req SvAIO_REQ (SV *sv)
196	{	296	{
197	MAGIC *mg;	297	MAGIC *mg;
198		298
199	if (!sv_derived_from (sv, AIO_REQ_KLASS) \|\| !SvROK (sv))	299	if (!SvROK (sv)
		300	\|\| (SvSTASH (SvRV (sv)) != aio_grp_stash
		301	&& SvSTASH (SvRV (sv)) != aio_req_stash
		302	&& !sv_derived_from (sv, "IO::AIO::REQ")))
200	croak ("object of class " AIO_REQ_KLASS " expected");	303	croak ("object of class IO::AIO::REQ expected");
201		304
202	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	305	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
203		306
204	return mg ? (aio_req)mg->mg_ptr : 0;	307	return mg ? (aio_req)mg->mg_ptr : 0;
205	}	308	}
…		…
211	dSP;	314	dSP;
212		315
213	ENTER;	316	ENTER;
214	SAVETMPS;	317	SAVETMPS;
215	PUSHMARK (SP);	318	PUSHMARK (SP);
216	XPUSHs (req_sv (grp, AIO_GRP_KLASS));	319	XPUSHs (req_sv (grp, aio_grp_stash));
217	PUTBACK;	320	PUTBACK;
218	call_sv (grp->sv2, G_VOID \| G_EVAL \| G_KEEPERR);	321	call_sv (grp->sv2, G_VOID \| G_EVAL \| G_KEEPERR);
219	SPAGAIN;	322	SPAGAIN;
220	FREETMPS;	323	FREETMPS;
221	LEAVE;	324	LEAVE;
…		…
239	}	342	}
240	}	343	}
241		344
242	static int req_invoke (eio_req *req)	345	static int req_invoke (eio_req *req)
243	{	346	{
244	dSP;
245
246	if (req->flags & FLAG_SV2_RO_OFF)	347	if (req->flags & FLAG_SV2_RO_OFF)
247	SvREADONLY_off (req->sv2);	348	SvREADONLY_off (req->sv2);
248		349
249	if (!EIO_CANCELLED (req) && req->callback)	350	if (!EIO_CANCELLED (req) && req->callback)
250	{	351	{
		352	dSP;
		353	static SV sv_result_cache; / caches the result integer SV */
		354	SV *sv_result;
		355
251	ENTER;	356	ENTER;
252	SAVETMPS;	357	SAVETMPS;
253	PUSHMARK (SP);	358	PUSHMARK (SP);
254	EXTEND (SP, 1);	359	EXTEND (SP, 1);
		360
		361	/* do not recreate the result IV from scratch each time */
		362	if (expect_true (sv_result_cache))
		363	{
		364	sv_result = sv_result_cache; sv_result_cache = 0;
		365	SvIV_set (sv_result, req->result);
		366	}
		367	else
		368	{
		369	sv_result = newSViv (req->result);
		370	SvREADONLY_on (sv_result);
		371	}
255		372
256	switch (req->type)	373	switch (req->type)
257	{	374	{
258	case EIO_READDIR:	375	case EIO_READDIR:
259	{	376	{
…		…
327	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);	444	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);
328	char sym [64];	445	char sym [64];
329	int symlen;	446	int symlen;
330		447
331	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);	448	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
332	gv_init (gv, stash, sym, symlen, 0);	449	gv_init (gv, aio_stash, sym, symlen, 0);
333		450
334	symlen = snprintf (	451	symlen = snprintf (
335	sym,	452	sym,
336	sizeof (sym),	453	sizeof (sym),
337	"%s&=%d",	454	"%s&=%d",
…		…
345		462
346	PUSHs (fh);	463	PUSHs (fh);
347	}	464	}
348	break;	465	break;
349		466
		467	case EIO_STATVFS:
		468	case EIO_FSTATVFS:
		469	{
		470	SV *rv = &PL_sv_undef;
		471
		472	if (req->result >= 0)
		473	{
		474	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
		475	HV *hv = newHV ();
		476
		477	rv = sv_2mortal (newRV_noinc ((SV *)hv));
		478
		479	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
		480	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
		481	hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
		482	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
		483	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
		484	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
		485	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
		486	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
		487	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
		488	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
		489	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
		490	}
		491
		492	PUSHs (rv);
		493	}
		494
		495	break;
		496
350	case EIO_GROUP:	497	case EIO_GROUP:
351	req->int1 = 2; /* mark group as finished */	498	req->int1 = 2; /* mark group as finished */
352		499
353	if (req->sv1)	500	if (req->sv1)
354	{	501	{
…		…
374	case EIO_LSTAT:	521	case EIO_LSTAT:
375	case EIO_FSTAT:	522	case EIO_FSTAT:
376	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	523	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
377	PL_laststatval = req->result;	524	PL_laststatval = req->result;
378	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);	525	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);
379	PUSHs (sv_2mortal (newSViv (req->result)));	526	PUSHs (sv_result);
380	break;	527	break;
381		528
382	case EIO_READ:	529	case EIO_READ:
383	{	530	{
384	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	531	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
385	*SvEND (req->sv2) = 0;	532	*SvEND (req->sv2) = 0;
386	SvPOK_only (req->sv2);	533	SvPOK_only (req->sv2);
387	SvSETMAGIC (req->sv2);	534	SvSETMAGIC (req->sv2);
388	PUSHs (sv_2mortal (newSViv (req->result)));	535	PUSHs (sv_result);
389	}	536	}
390	break;	537	break;
391		538
392	case EIO_DUP2:	539	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */
393	if (req->result > 0)	540	if (req->result > 0)
394	req->result = 0;	541	SvIV_set (sv_result, 0);
395	/* FALLTHROUGH */	542	/* FALLTHROUGH */
396		543
397	default:	544	default:
398	PUSHs (sv_2mortal (newSViv (req->result)));	545	PUSHs (sv_result);
399	break;	546	break;
400	}	547	}
401		548
402	errno = req->errorno;	549	errno = req->errorno;
403		550
404	PUTBACK;	551	PUTBACK;
405	call_sv (req->callback, G_VOID \| G_EVAL \| G_DISCARD);	552	call_sv (req->callback, G_VOID \| G_EVAL \| G_DISCARD);
406	SPAGAIN;	553	SPAGAIN;
		554
		555	if (expect_false (SvREFCNT (sv_result) != 1 \|\| sv_result_cache))
		556	SvREFCNT_dec (sv_result);
		557	else
		558	sv_result_cache = sv_result;
407		559
408	FREETMPS;	560	FREETMPS;
409	LEAVE;	561	LEAVE;
410		562
411	PUTBACK;	563	PUTBACK;
…		…
444		596
445	static void	597	static void
446	create_respipe (void)	598	create_respipe (void)
447	{	599	{
448	if (s_epipe_renew (&respipe))	600	if (s_epipe_renew (&respipe))
449	croak ("unable to initialize result pipe");	601	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	}	602	}
454		603
455	static void poll_wait (void)	604	static void poll_wait (void)
456	{	605	{
457	while (eio_nreqs ())	606	while (eio_nreqs ())
…		…
489		638
490	static void atfork_child (void)	639	static void atfork_child (void)
491	{	640	{
492	create_respipe ();	641	create_respipe ();
493	}	642	}
		643
		644	/*****************************************************************************/
		645
		646	#if !_POSIX_MAPPED_FILES
		647	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
		648	# define munmap(addr,length) (errno = ENOSYS, -1)
		649	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
		650	#endif
		651
		652	#define MMAP_MAGIC PERL_MAGIC_ext
		653
		654	static int
		655	mmap_free (pTHX_ SV sv, MAGIC mg)
		656	{
		657	int old_errno = errno;
		658	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		659	errno = old_errno;
		660
		661	mg->mg_obj = 0; /* just in case */
		662
		663	SvREADONLY_off (sv);
		664
		665	if (SvPVX (sv) != mg->mg_ptr)
		666	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		667
		668	SvCUR_set (sv, 0);
		669	SvPVX (sv) = 0;
		670	SvOK_off (sv);
		671
		672	return 0;
		673	}
		674
		675	static MGVTBL mmap_vtbl = {
		676	0, 0, 0, 0, mmap_free
		677	};
		678
		679	/*****************************************************************************/
494		680
495	static SV *	681	static SV *
496	get_cb (SV *cb_sv)	682	get_cb (SV *cb_sv)
497	{	683	{
498	SvGETMAGIC (cb_sv);	684	SvGETMAGIC (cb_sv);
…		…
518	PUTBACK; \	704	PUTBACK; \
519	req_submit (req); \	705	req_submit (req); \
520	SPAGAIN; \	706	SPAGAIN; \
521	\	707	\
522	if (GIMME_V != G_VOID) \	708	if (GIMME_V != G_VOID) \
523	XPUSHs (req_sv (req, AIO_REQ_KLASS));	709	XPUSHs (req_sv (req, aio_req_stash));
524		710
525	MODULE = IO::AIO PACKAGE = IO::AIO	711	MODULE = IO::AIO PACKAGE = IO::AIO
526		712
527	PROTOTYPES: ENABLE	713	PROTOTYPES: ENABLE
528		714
…		…
530	{	716	{
531	static const struct {	717	static const struct {
532	const char *name;	718	const char *name;
533	IV iv;	719	IV iv;
534	} *civ, const_iv[] = {	720	} *civ, const_iv[] = {
535	# define const_iv(name, value) { # name, (IV) value },	721	# define const_niv(name, value) { # name, (IV) value },
		722	# define const_iv(name) { # name, (IV) name },
536	# define const_eio(name) { # name, (IV) EIO_ ## name },	723	# define const_eio(name) { # name, (IV) EIO_ ## name },
537	const_iv (EXDEV , EXDEV)	724	const_iv (EXDEV)
538	const_iv (ENOSYS , ENOSYS)	725	const_iv (ENOSYS)
539	const_iv (O_RDONLY, O_RDONLY)	726	const_iv (O_RDONLY)
540	const_iv (O_WRONLY, O_WRONLY)	727	const_iv (O_WRONLY)
		728	const_iv (O_RDWR)
541	const_iv (O_CREAT , O_CREAT)	729	const_iv (O_CREAT)
542	const_iv (O_TRUNC , O_TRUNC)	730	const_iv (O_TRUNC)
		731	const_iv (O_EXCL)
		732	const_iv (O_APPEND)
543	#ifndef _WIN32	733	#ifndef _WIN32
544	const_iv (S_IFIFO , S_IFIFO)	734	const_iv (S_IFIFO)
545	#endif	735	#endif
546	const_iv (FADV_NORMAL , POSIX_FADV_NORMAL)	736	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
547	const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)	737	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
548	const_iv (FADV_RANDOM , POSIX_FADV_RANDOM)	738	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
549	const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE)	739	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
550	const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED)	740	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
551	const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED)	741	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		742
		743	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		744	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		745	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		746	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		747	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		748
		749	const_iv (ST_RDONLY)
		750	const_iv (ST_NOSUID)
		751	const_iv (ST_NODEV)
		752	const_iv (ST_NOEXEC)
		753	const_iv (ST_SYNCHRONOUS)
		754	const_iv (ST_MANDLOCK)
		755	const_iv (ST_WRITE)
		756	const_iv (ST_APPEND)
		757	const_iv (ST_IMMUTABLE)
		758	const_iv (ST_NOATIME)
		759	const_iv (ST_NODIRATIME)
		760	const_iv (ST_RELATIME)
		761
		762	const_iv (PROT_NONE)
		763	const_iv (PROT_EXEC)
		764	const_iv (PROT_READ)
		765	const_iv (PROT_WRITE)
		766
		767	/const_iv (MAP_FIXED)/
		768	const_iv (MAP_PRIVATE)
		769	const_iv (MAP_SHARED)
		770	const_iv (MAP_ANONYMOUS)
		771
		772	/* linuxish */
		773	const_iv (MAP_HUGETLB)
		774	const_iv (MAP_LOCKED)
		775	const_iv (MAP_NORESERVE)
		776	const_iv (MAP_POPULATE)
		777	const_iv (MAP_NONBLOCK)
		778
		779	const_iv (MCL_FUTURE)
		780	const_iv (MCL_CURRENT)
		781
		782	const_eio (MS_ASYNC)
		783	const_eio (MS_INVALIDATE)
		784	const_eio (MS_SYNC)
		785
		786	const_eio (MT_MODIFY)
552		787
553	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	788	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
554	const_eio (SYNC_FILE_RANGE_WRITE)	789	const_eio (SYNC_FILE_RANGE_WRITE)
555	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	790	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
556		791
…		…
568	const_eio (DT_LNK)	803	const_eio (DT_LNK)
569	const_eio (DT_SOCK)	804	const_eio (DT_SOCK)
570	const_eio (DT_WHT)	805	const_eio (DT_WHT)
571	};	806	};
572		807
573	stash = gv_stashpv ("IO::AIO", 1);	808	aio_stash = gv_stashpv ("IO::AIO" , 1);
		809	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
		810	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
574		811
575	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	812	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
576	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	813	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
		814
		815	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
577		816
578	create_respipe ();	817	create_respipe ();
579		818
580	if (eio_init (want_poll, done_poll) < 0)	819	if (eio_init (want_poll, done_poll) < 0)
581	croak ("IO::AIO: unable to initialise eio library");	820	croak ("IO::AIO: unable to initialise eio library");
…		…
808	}	1047	}
809		1048
810	void	1049	void
811	aio_stat (SV8 fh_or_path, SV callback=&PL_sv_undef)	1050	aio_stat (SV8 fh_or_path, SV callback=&PL_sv_undef)
812	ALIAS:	1051	ALIAS:
813	aio_stat = EIO_STAT	1052	aio_stat = EIO_STAT
814	aio_lstat = EIO_LSTAT	1053	aio_lstat = EIO_LSTAT
		1054	aio_statvfs = EIO_STATVFS
815	PPCODE:	1055	PPCODE:
816	{	1056	{
817	dREQ;	1057	dREQ;
818		1058
819	req->sv1 = newSVsv (fh_or_path);	1059	req->sv1 = newSVsv (fh_or_path);
…		…
823	req->type = ix;	1063	req->type = ix;
824	req->ptr1 = SvPVbyte_nolen (req->sv1);	1064	req->ptr1 = SvPVbyte_nolen (req->sv1);
825	}	1065	}
826	else	1066	else
827	{	1067	{
828	req->type = EIO_FSTAT;	1068	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
829	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	1069	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
830	}	1070	}
831		1071
832	REQ_SEND;	1072	REQ_SEND;
833	}	1073	}
…		…
996		1236
997	REQ_SEND;	1237	REQ_SEND;
998	}	1238	}
999		1239
1000	void	1240	void
		1241	aio_mtouch (SV8 data, IV offset = 0, SV length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
		1242	ALIAS:
		1243	aio_mtouch = EIO_MTOUCH
		1244	aio_msync = EIO_MSYNC
		1245	PROTOTYPE: $$$$;$
		1246	PPCODE:
		1247	{
		1248	STRLEN svlen;
		1249	UV len = SvUV (length);
		1250	char *svptr = SvPVbyte (data, svlen);
		1251
		1252	if (offset < 0)
		1253	offset += svlen;
		1254
		1255	if (offset < 0 \|\| offset > svlen)
		1256	croak ("offset outside of scalar");
		1257
		1258	if (!SvOK (length) \|\| len + offset > svlen)
		1259	len = svlen - offset;
		1260
		1261	{
		1262	dREQ;
		1263
		1264	req->type = ix;
		1265	req->size = len;
		1266	req->sv2 = SvREFCNT_inc (data);
		1267	req->ptr2 = (char *)svptr + offset;
		1268	req->int1 = flags;
		1269
		1270	REQ_SEND;
		1271	}
		1272	}
		1273
		1274	void
1001	aio_busy (double delay, SV *callback=&PL_sv_undef)	1275	aio_busy (double delay, SV *callback=&PL_sv_undef)
1002	PPCODE:	1276	PPCODE:
1003	{	1277	{
1004	dREQ;	1278	dREQ;
1005		1279
…		…
1017	dREQ;	1291	dREQ;
1018		1292
1019	req->type = EIO_GROUP;	1293	req->type = EIO_GROUP;
1020		1294
1021	req_submit (req);	1295	req_submit (req);
1022	XPUSHs (req_sv (req, AIO_GRP_KLASS));	1296	XPUSHs (req_sv (req, aio_grp_stash));
1023	}	1297	}
1024		1298
1025	void	1299	void
1026	aio_nop (SV *callback=&PL_sv_undef)	1300	aio_nop (SV *callback=&PL_sv_undef)
1027	ALIAS:	1301	ALIAS:
…		…
1133		1407
1134	int	1408	int
1135	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)	1409	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1136	PROTOTYPE: $$$$	1410	PROTOTYPE: $$$$
1137	CODE:	1411	CODE:
1138	#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1139	RETVAL = posix_fadvise (fh, offset, length, advice);	1412	RETVAL = posix_fadvise (fh, offset, length, advice);
1140	#else
1141	RETVAL = errno = ENOSYS;
1142	#endif
1143	OUTPUT:	1413	OUTPUT:
1144	RETVAL	1414	RETVAL
1145		1415
1146	ssize_t	1416	ssize_t
1147	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1417	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1148	PROTOTYPE: $$$$	1418	PROTOTYPE: $$$$
1149	CODE:	1419	CODE:
1150	eio_sendfile_sync (ofh, ifh, offset, count);	1420	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
		1421	OUTPUT:
		1422	RETVAL
		1423
		1424	void
		1425	mmap (SV scalar, size_t length, int prot, int flags, SV fh, off_t offset = 0)
		1426	PROTOTYPE: $$$$$;$
		1427	PPCODE:
		1428	sv_unmagic (scalar, MMAP_MAGIC);
		1429	{
		1430	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
		1431	void addr = (void )mmap (0, length, prot, flags, fd, offset);
		1432	if (addr == (void *)-1)
		1433	XSRETURN_NO;
		1434
		1435	sv_force_normal (scalar);
		1436
		1437	/* we store the length in mg_obj, as namlen is I32 :/ */
		1438	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
		1439	->mg_obj = (SV *)length;
		1440
		1441	SvUPGRADE (scalar, SVt_PV); /* nop... */
		1442
		1443	if (!(prot & PROT_WRITE))
		1444	SvREADONLY_on (scalar);
		1445
		1446	if (SvLEN (scalar))
		1447	Safefree (SvPVX (scalar));
		1448
		1449	SvPVX (scalar) = (char *)addr;
		1450	SvCUR_set (scalar, length);
		1451	SvLEN_set (scalar, 0);
		1452	SvPOK_only (scalar);
		1453
		1454	XSRETURN_YES;
		1455	}
		1456
		1457	void
		1458	munmap (SV *scalar)
		1459	PROTOTYPE: $
		1460	CODE:
		1461	sv_unmagic (scalar, MMAP_MAGIC);
		1462
		1463	int
		1464	madvise (SV *scalar, off_t offset, off_t length, IV advice_or_prot)
		1465	ALIAS:
		1466	mprotect = 1
		1467	PROTOTYPE: $$$$
		1468	CODE:
		1469	{
		1470	STRLEN cur;
		1471	char *addr = SvPVbyte (scalar, cur);
		1472
		1473	if (offset > cur)
		1474	RETVAL = errno = EFAULT;
		1475	else
		1476	{
		1477	if (!SvOK (ST (2)))
		1478	length = cur - offset;
		1479
		1480	if (offset + length > cur)
		1481	RETVAL = errno = EFAULT;
		1482	else
		1483	switch (ix)
		1484	{
		1485	case 0: RETVAL = posix_madvise (addr + offset, length, advice_or_prot); break;
		1486	case 1: RETVAL = mprotect (addr + offset, length, advice_or_prot); break;
		1487	}
		1488	}
		1489	}
		1490	OUTPUT:
		1491	RETVAL
		1492
		1493	int
		1494	mlockall (int flags)
		1495	PROTOTYPE: $
		1496	CODE:
		1497	#if _POSIX_MEMLOCK
		1498	#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7
		1499	extern int mallopt (int, int);
		1500	mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
		1501	#endif
		1502	mlockall (flags);
		1503	#else
		1504	RETVAL = -1;
		1505	errno = ENOSYS;
		1506	#endif
		1507	OUTPUT:
		1508	RETVAL
		1509
		1510	int
		1511	munlockall ()
		1512	PROTOTYPE:
		1513	CODE:
		1514	#if _POSIX_MEMLOCK
		1515	munlockall ();
		1516	#else
		1517	RETVAL = -1;
		1518	errno = ENOSYS;
		1519	#endif
		1520	OUTPUT:
		1521	RETVAL
1151		1522
1152	void _on_next_submit (SV *cb)	1523	void _on_next_submit (SV *cb)
1153	CODE:	1524	CODE:
1154	SvREFCNT_dec (on_next_submit);	1525	SvREFCNT_dec (on_next_submit);
1155	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1526	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 1.171 by root, Wed Aug 4 17:16:19 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 1.171 by root, Wed Aug 4 17:16:19 2010 UTC