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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.154 by root, Wed Jul 15 01:39:15 2009 UTC vs.
Revision 1.185 by root, Thu Jul 7 22:36:18 2011 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_MEMLOCK_RANGE \|\| _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; \
116	SV *self;	119	SV *self;
117		120
118	#define EIO_NO_WRAPPERS 1	121	#define EIO_NO_WRAPPERS 1
119		122
		123	#include "libeio/config.h"
120	#include "libeio/eio.h"	124	#include "libeio/eio.h"
		125
		126	/* Linux/others */
		127	#ifndef O_ASYNC
		128	# define O_ASYNC 0
		129	#endif
		130	#ifndef O_DIRECT
		131	# define O_DIRECT 0
		132	#endif
		133	#ifndef O_NOATIME
		134	# define O_NOATIME 0
		135	#endif
		136
		137	/* POSIX */
		138	#ifndef O_CLOEXEC
		139	# define O_CLOEXEC 0
		140	#endif
		141	#ifndef O_NOFOLLOW
		142	# define O_NOFOLLOW 0
		143	#endif
		144	#ifndef O_NOCTTY
		145	# define O_NOCTTY 0
		146	#endif
		147	#ifndef O_NONBLOCK
		148	# define O_NONBLOCK 0
		149	#endif
		150	#ifndef O_EXEC
		151	# define O_EXEC 0
		152	#endif
		153	#ifndef O_SEARCH
		154	# define O_SEARCH 0
		155	#endif
		156	#ifndef O_DIRECTORY
		157	# define O_DIRECTORY 0
		158	#endif
		159	#ifndef O_DSYNC
		160	# define O_DSYNC 0
		161	#endif
		162	#ifndef O_RSYNC
		163	# define O_RSYNC 0
		164	#endif
		165	#ifndef O_SYNC
		166	# define O_SYNC 0
		167	#endif
		168	#ifndef O_TTY_INIT
		169	# define O_TTY_INIT 0
		170	#endif
121		171
122	#ifndef POSIX_FADV_NORMAL	172	#ifndef POSIX_FADV_NORMAL
123	# define POSIX_FADV_NORMAL 0	173	# define POSIX_FADV_NORMAL 0
124	# define NO_FADVISE 1
125	#endif	174	#endif
126
127	#ifndef POSIX_FADV_SEQUENTIAL	175	#ifndef POSIX_FADV_SEQUENTIAL
128	# define POSIX_FADV_SEQUENTIAL 0	176	# define POSIX_FADV_SEQUENTIAL 0
129	#endif	177	#endif
130
131	#ifndef POSIX_FADV_RANDOM	178	#ifndef POSIX_FADV_RANDOM
132	# define POSIX_FADV_RANDOM 0	179	# define POSIX_FADV_RANDOM 0
133	#endif	180	#endif
134
135	#ifndef POSIX_FADV_NOREUSE	181	#ifndef POSIX_FADV_NOREUSE
136	# define POSIX_FADV_NOREUSE 0	182	# define POSIX_FADV_NOREUSE 0
137	#endif	183	#endif
138
139	#ifndef POSIX_FADV_WILLNEED	184	#ifndef POSIX_FADV_WILLNEED
140	# define POSIX_FADV_WILLNEED 0	185	# define POSIX_FADV_WILLNEED 0
141	#endif	186	#endif
142
143	#ifndef POSIX_FADV_DONTNEED	187	#ifndef POSIX_FADV_DONTNEED
144	# define POSIX_FADV_DONTNEED 0	188	# define POSIX_FADV_DONTNEED 0
		189	#endif
		190
		191	#if !HAVE_POSIX_FADVISE
		192	# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
		193	#endif
		194
		195	#ifndef POSIX_MADV_NORMAL
		196	# define POSIX_MADV_NORMAL 0
		197	#endif
		198	#ifndef POSIX_MADV_SEQUENTIAL
		199	# define POSIX_MADV_SEQUENTIAL 0
		200	#endif
		201	#ifndef POSIX_MADV_RANDOM
		202	# define POSIX_MADV_RANDOM 0
		203	#endif
		204	#ifndef POSIX_MADV_WILLNEED
		205	# define POSIX_MADV_WILLNEED 0
		206	#endif
		207	#ifndef POSIX_MADV_DONTNEED
		208	# define POSIX_MADV_DONTNEED 0
		209	#endif
		210
		211	#if !HAVE_POSIX_MADVISE
		212	# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
		213	#endif
		214
		215	#ifndef PROT_NONE
		216	# define PROT_NONE 0
		217	#endif
		218	#ifndef PROT_READ
		219	# define PROT_READ 0
		220	#endif
		221	#ifndef PROT_WRITE
		222	# define PROT_READ 0
		223	#endif
		224	#ifndef PROT_EXEC
		225	# define PROT_EXEC 0
		226	#endif
		227
		228	#ifndef ST_NODEV
		229	# define ST_NODEV 0
		230	#endif
		231	#ifndef ST_NOEXEC
		232	# define ST_NOEXEC 0
		233	#endif
		234	#ifndef ST_SYNCHRONOUS
		235	# define ST_SYNCHRONOUS 0
		236	#endif
		237	#ifndef ST_MANDLOCK
		238	# define ST_MANDLOCK 0
		239	#endif
		240	#ifndef ST_WRITE
		241	# define ST_WRITE 0
		242	#endif
		243	#ifndef ST_APPEND
		244	# define ST_APPEND 0
		245	#endif
		246	#ifndef ST_IMMUTABLE
		247	# define ST_IMMUTABLE 0
		248	#endif
		249	#ifndef ST_NOATIME
		250	# define ST_NOATIME 0
		251	#endif
		252	#ifndef ST_NODIRATIME
		253	# define ST_NODIRATIME 0
		254	#endif
		255	#ifndef ST_RELATIME
		256	# define ST_RELATIME 0
		257	#endif
		258
		259	#ifndef S_IFIFO
		260	# define S_IFIFO 0
		261	#endif
		262	#ifndef S_IFCHR
		263	# define S_IFCHR 0
		264	#endif
		265	#ifndef S_IFBLK
		266	# define S_IFBLK 0
		267	#endif
		268	#ifndef S_IFLNK
		269	# define S_IFLNK 0
		270	#endif
		271	#ifndef S_IFREG
		272	# define S_IFREG 0
		273	#endif
		274	#ifndef S_IFDIR
		275	# define S_IFDIR 0
		276	#endif
		277	#ifndef S_IFWHT
		278	# define S_IFWHT 0
		279	#endif
		280	#ifndef S_IFSOCK
		281	# define S_IFSOCK 0
		282	#endif
		283
		284	#ifndef MAP_ANONYMOUS
		285	# ifdef MAP_ANON
		286	# define MAP_ANONYMOUS MAP_ANON
		287	# else
		288	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
		289	# endif
		290	#endif
		291	#ifndef MAP_HUGETLB
		292	# define MAP_HUGETLB 0
		293	#endif
		294	#ifndef MAP_LOCKED
		295	# define MAP_LOCKED 0
		296	#endif
		297	#ifndef MAP_NORESERVE
		298	# define MAP_NORESERVE 0
		299	#endif
		300	#ifndef MAP_POPULATE
		301	# define MAP_POPULATE 0
		302	#endif
		303	#ifndef MAP_NONBLOCK
		304	# define MAP_NONBLOCK 0
		305	#endif
		306
		307	#ifndef makedev
		308	# define makedev(maj,min) (((maj) << 8) \| (min))
		309	#endif
		310	#ifndef major
		311	# define major(dev) ((dev) >> 8)
		312	#endif
		313	#ifndef minor
		314	# define minor(dev) ((dev) & 0xff)
		315	#endif
		316
		317	#ifndef PAGESIZE
		318	# define PAGESIZE sysconf (_SC_PAGESIZE)
145	#endif	319	#endif
146		320
147	static int req_invoke (eio_req *req);	321	static int req_invoke (eio_req *req);
148	#define EIO_FINISH(req) req_invoke (req)	322	#define EIO_FINISH(req) req_invoke (req)
149	static void req_destroy (eio_req *grp);	323	static void req_destroy (eio_req *grp);
…		…
178	/* read any signals sent by the worker threads */	352	/* read any signals sent by the worker threads */
179	s_epipe_drain (&respipe);	353	s_epipe_drain (&respipe);
180	}	354	}
181		355
182	/* must be called at most once */	356	/* must be called at most once */
183	static SV req_sv (aio_req req, const char klass)	357	static SV req_sv (aio_req req, HV stash)
184	{	358	{
185	if (!req->self)	359	if (!req->self)
186	{	360	{
187	req->self = (SV *)newHV ();	361	req->self = (SV *)newHV ();
188	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);	362	sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
189	}	363	}
190		364
191	return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1)));	365	return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
192	}	366	}
193		367
194	static aio_req SvAIO_REQ (SV *sv)	368	static aio_req SvAIO_REQ (SV *sv)
195	{	369	{
196	MAGIC *mg;	370	MAGIC *mg;
197		371
198	if (!sv_derived_from (sv, AIO_REQ_KLASS) \|\| !SvROK (sv))	372	if (!SvROK (sv)
		373	\|\| (SvSTASH (SvRV (sv)) != aio_grp_stash
		374	&& SvSTASH (SvRV (sv)) != aio_req_stash
		375	&& !sv_derived_from (sv, "IO::AIO::REQ")))
199	croak ("object of class " AIO_REQ_KLASS " expected");	376	croak ("object of class IO::AIO::REQ expected");
200		377
201	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);	378	mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
202		379
203	return mg ? (aio_req)mg->mg_ptr : 0;	380	return mg ? (aio_req)mg->mg_ptr : 0;
204	}	381	}
…		…
210	dSP;	387	dSP;
211		388
212	ENTER;	389	ENTER;
213	SAVETMPS;	390	SAVETMPS;
214	PUSHMARK (SP);	391	PUSHMARK (SP);
215	XPUSHs (req_sv (grp, AIO_GRP_KLASS));	392	XPUSHs (req_sv (grp, aio_grp_stash));
216	PUTBACK;	393	PUTBACK;
217	call_sv (grp->sv2, G_VOID \| G_EVAL \| G_KEEPERR);	394	call_sv (grp->sv2, G_VOID \| G_EVAL \| G_KEEPERR);
218	SPAGAIN;	395	SPAGAIN;
219	FREETMPS;	396	FREETMPS;
220	LEAVE;	397	LEAVE;
…		…
238	}	415	}
239	}	416	}
240		417
241	static int req_invoke (eio_req *req)	418	static int req_invoke (eio_req *req)
242	{	419	{
243	dSP;
244
245	if (req->flags & FLAG_SV2_RO_OFF)	420	if (req->flags & FLAG_SV2_RO_OFF)
246	SvREADONLY_off (req->sv2);	421	SvREADONLY_off (req->sv2);
247		422
248	if (!EIO_CANCELLED (req) && req->callback)	423	if (!EIO_CANCELLED (req) && req->callback)
249	{	424	{
		425	dSP;
		426	static SV sv_result_cache; / caches the result integer SV */
		427	SV *sv_result;
		428
250	ENTER;	429	ENTER;
251	SAVETMPS;	430	SAVETMPS;
252	PUSHMARK (SP);	431	PUSHMARK (SP);
253	EXTEND (SP, 1);	432	EXTEND (SP, 1);
		433
		434	/* do not recreate the result IV from scratch each time */
		435	if (expect_true (sv_result_cache))
		436	{
		437	sv_result = sv_result_cache; sv_result_cache = 0;
		438	SvIV_set (sv_result, req->result);
		439	SvIOK_only (sv_result);
		440	}
		441	else
		442	{
		443	sv_result = newSViv (req->result);
		444	SvREADONLY_on (sv_result);
		445	}
254		446
255	switch (req->type)	447	switch (req->type)
256	{	448	{
257	case EIO_READDIR:	449	case EIO_READDIR:
258	{	450	{
…		…
326	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);	518	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);
327	char sym [64];	519	char sym [64];
328	int symlen;	520	int symlen;
329		521
330	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);	522	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
331	gv_init (gv, stash, sym, symlen, 0);	523	gv_init (gv, aio_stash, sym, symlen, 0);
332		524
333	symlen = snprintf (	525	symlen = snprintf (
334	sym,	526	sym,
335	sizeof (sym),	527	sizeof (sym),
336	"%s&=%d",	528	"%s&=%d",
…		…
344		536
345	PUSHs (fh);	537	PUSHs (fh);
346	}	538	}
347	break;	539	break;
348		540
		541	case EIO_STATVFS:
		542	case EIO_FSTATVFS:
		543	{
		544	SV *rv = &PL_sv_undef;
		545
		546	if (req->result >= 0)
		547	{
		548	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
		549	HV *hv = newHV ();
		550
		551	rv = sv_2mortal (newRV_noinc ((SV *)hv));
		552
		553	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
		554	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
		555	hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
		556	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
		557	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
		558	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
		559	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
		560	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
		561	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
		562	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
		563	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
		564	}
		565
		566	PUSHs (rv);
		567	}
		568
		569	break;
		570
349	case EIO_GROUP:	571	case EIO_GROUP:
350	req->int1 = 2; /* mark group as finished */	572	req->int1 = 2; /* mark group as finished */
351		573
352	if (req->sv1)	574	if (req->sv1)
353	{	575	{
…		…
363	case EIO_NOP:	585	case EIO_NOP:
364	case EIO_BUSY:	586	case EIO_BUSY:
365	break;	587	break;
366		588
367	case EIO_READLINK:	589	case EIO_READLINK:
		590	case EIO_REALPATH:
368	if (req->result > 0)	591	if (req->result > 0)
369	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));	592	PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
370	break;	593	break;
371		594
372	case EIO_STAT:	595	case EIO_STAT:
373	case EIO_LSTAT:	596	case EIO_LSTAT:
374	case EIO_FSTAT:	597	case EIO_FSTAT:
375	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;	598	PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
376	PL_laststatval = req->result;	599	PL_laststatval = req->result;
377	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);	600	PL_statcache = (EIO_STRUCT_STAT )(req->ptr2);
378	PUSHs (sv_2mortal (newSViv (req->result)));	601	PUSHs (sv_result);
379	break;	602	break;
380		603
381	case EIO_READ:	604	case EIO_READ:
382	{	605	{
383	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));	606	SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
384	*SvEND (req->sv2) = 0;	607	*SvEND (req->sv2) = 0;
385	SvPOK_only (req->sv2);	608	SvPOK_only (req->sv2);
386	SvSETMAGIC (req->sv2);	609	SvSETMAGIC (req->sv2);
387	PUSHs (sv_2mortal (newSViv (req->result)));	610	PUSHs (sv_result);
388	}	611	}
389	break;	612	break;
390		613
391	case EIO_DUP2:	614	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
392	if (req->result > 0)	615	if (req->result > 0)
393	req->result = 0;	616	SvIV_set (sv_result, 0);
394	/* FALLTHROUGH */	617	/* FALLTHROUGH */
395		618
396	default:	619	default:
397	PUSHs (sv_2mortal (newSViv (req->result)));	620	PUSHs (sv_result);
398	break;	621	break;
399	}	622	}
400		623
401	errno = req->errorno;	624	errno = req->errorno;
402		625
403	PUTBACK;	626	PUTBACK;
404	call_sv (req->callback, G_VOID \| G_EVAL \| G_DISCARD);	627	call_sv (req->callback, G_VOID \| G_EVAL \| G_DISCARD);
405	SPAGAIN;	628	SPAGAIN;
		629
		630	if (expect_false (SvREFCNT (sv_result) != 1 \|\| sv_result_cache))
		631	SvREFCNT_dec (sv_result);
		632	else
		633	sv_result_cache = sv_result;
406		634
407	FREETMPS;	635	FREETMPS;
408	LEAVE;	636	LEAVE;
409		637
410	PUTBACK;	638	PUTBACK;
…		…
439	grp->sv2 = 0;	667	grp->sv2 = 0;
440		668
441	eio_grp_cancel (grp);	669	eio_grp_cancel (grp);
442	}	670	}
443		671
444	static void
445	create_respipe (void)	672	static void create_respipe (void)
446	{	673	{
447	if (s_epipe_renew (&respipe))	674	if (s_epipe_renew (&respipe))
448	croak ("unable to initialize result pipe");	675	croak ("IO::AIO: unable to initialize result pipe");
449	}	676	}
450		677
451	static void poll_wait (void)	678	static void poll_wait (void)
452	{	679	{
453	while (eio_nreqs ())	680	while (eio_nreqs ())
…		…
486	static void atfork_child (void)	713	static void atfork_child (void)
487	{	714	{
488	create_respipe ();	715	create_respipe ();
489	}	716	}
490		717
491	static SV *	718	/*****************************************************************************/
		719
		720	#if !_POSIX_MAPPED_FILES
		721	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
		722	# define munmap(addr,length) (errno = ENOSYS, -1)
		723	#endif
		724
		725	#if !_POSIX_MEMORY_PROTECTION
		726	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
		727	# define PROT_NONE 0
		728	# define PROT_WRITE 0
		729	# define MAP_PRIVATE 0
		730	# define MAP_SHARED 0
		731	# define MAP_FIXED 0
		732	#endif
		733
		734	#define MMAP_MAGIC PERL_MAGIC_ext
		735
		736	static int mmap_free (pTHX_ SV sv, MAGIC mg)
		737	{
		738	int old_errno = errno;
		739	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		740	errno = old_errno;
		741
		742	mg->mg_obj = 0; /* just in case */
		743
		744	SvREADONLY_off (sv);
		745
		746	if (SvPVX (sv) != mg->mg_ptr)
		747	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		748
		749	SvCUR_set (sv, 0);
		750	SvPVX (sv) = 0;
		751	SvOK_off (sv);
		752
		753	return 0;
		754	}
		755
		756	static MGVTBL mmap_vtbl = {
		757	0, 0, 0, 0, mmap_free
		758	};
		759
		760	/*****************************************************************************/
		761
492	get_cb (SV *cb_sv)	762	static SV * get_cb (SV *cb_sv)
493	{	763	{
494	SvGETMAGIC (cb_sv);	764	SvGETMAGIC (cb_sv);
495	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	765	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
496	}	766	}
497		767
…		…
514	PUTBACK; \	784	PUTBACK; \
515	req_submit (req); \	785	req_submit (req); \
516	SPAGAIN; \	786	SPAGAIN; \
517	\	787	\
518	if (GIMME_V != G_VOID) \	788	if (GIMME_V != G_VOID) \
519	XPUSHs (req_sv (req, AIO_REQ_KLASS));	789	XPUSHs (req_sv (req, aio_req_stash));
520		790
521	MODULE = IO::AIO PACKAGE = IO::AIO	791	MODULE = IO::AIO PACKAGE = IO::AIO
522		792
523	PROTOTYPES: ENABLE	793	PROTOTYPES: ENABLE
524		794
…		…
526	{	796	{
527	static const struct {	797	static const struct {
528	const char *name;	798	const char *name;
529	IV iv;	799	IV iv;
530	} *civ, const_iv[] = {	800	} *civ, const_iv[] = {
531	# define const_iv(name, value) { # name, (IV) value },	801	# define const_niv(name, value) { # name, (IV) value },
		802	# define const_iv(name) { # name, (IV) name },
532	# define const_eio(name) { # name, (IV) EIO_ ## name },	803	# define const_eio(name) { # name, (IV) EIO_ ## name },
533	const_iv (EXDEV , EXDEV)	804	const_iv (EXDEV)
534	const_iv (ENOSYS , ENOSYS)	805	const_iv (ENOSYS)
535	const_iv (O_RDONLY, O_RDONLY)	806	const_iv (O_RDONLY)
536	const_iv (O_WRONLY, O_WRONLY)	807	const_iv (O_WRONLY)
		808	const_iv (O_RDWR)
537	const_iv (O_CREAT , O_CREAT)	809	const_iv (O_CREAT)
538	const_iv (O_TRUNC , O_TRUNC)	810	const_iv (O_TRUNC)
539	#ifndef _WIN32	811	const_iv (O_EXCL)
		812	const_iv (O_APPEND)
		813
		814	const_iv (O_ASYNC)
		815	const_iv (O_DIRECT)
		816	const_iv (O_NOATIME)
		817
		818	const_iv (O_CLOEXEC)
		819	const_iv (O_NOCTTY)
		820	const_iv (O_NOFOLLOW)
		821	const_iv (O_NONBLOCK)
		822	const_iv (O_EXEC)
		823	const_iv (O_SEARCH)
		824	const_iv (O_DIRECTORY)
		825	const_iv (O_DSYNC)
		826	const_iv (O_RSYNC)
		827	const_iv (O_SYNC)
		828	const_iv (O_TTY_INIT)
		829
540	const_iv (S_IFIFO , S_IFIFO)	830	const_iv (S_IFIFO)
541	#endif	831	const_iv (S_IFCHR)
		832	const_iv (S_IFBLK)
		833	const_iv (S_IFLNK)
		834	const_iv (S_IFREG)
		835	const_iv (S_IFDIR)
		836	const_iv (S_IFWHT)
		837	const_iv (S_IFSOCK)
		838	const_iv (S_IFMT)
		839
542	const_iv (FADV_NORMAL , POSIX_FADV_NORMAL)	840	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
543	const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)	841	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
544	const_iv (FADV_RANDOM , POSIX_FADV_RANDOM)	842	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
545	const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE)	843	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
546	const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED)	844	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
547	const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED)	845	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		846
		847	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		848	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		849	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		850	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		851	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		852
		853	const_iv (ST_RDONLY)
		854	const_iv (ST_NOSUID)
		855	const_iv (ST_NODEV)
		856	const_iv (ST_NOEXEC)
		857	const_iv (ST_SYNCHRONOUS)
		858	const_iv (ST_MANDLOCK)
		859	const_iv (ST_WRITE)
		860	const_iv (ST_APPEND)
		861	const_iv (ST_IMMUTABLE)
		862	const_iv (ST_NOATIME)
		863	const_iv (ST_NODIRATIME)
		864	const_iv (ST_RELATIME)
		865
		866	const_iv (PROT_NONE)
		867	const_iv (PROT_EXEC)
		868	const_iv (PROT_READ)
		869	const_iv (PROT_WRITE)
		870
		871	/const_iv (MAP_FIXED)/
		872	const_iv (MAP_PRIVATE)
		873	const_iv (MAP_SHARED)
		874	const_iv (MAP_ANONYMOUS)
		875
		876	/* linuxish */
		877	const_iv (MAP_HUGETLB)
		878	const_iv (MAP_LOCKED)
		879	const_iv (MAP_NORESERVE)
		880	const_iv (MAP_POPULATE)
		881	const_iv (MAP_NONBLOCK)
		882
		883	const_eio (MCL_FUTURE)
		884	const_eio (MCL_CURRENT)
		885
		886	const_eio (MS_ASYNC)
		887	const_eio (MS_INVALIDATE)
		888	const_eio (MS_SYNC)
		889
		890	const_eio (MT_MODIFY)
548		891
549	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	892	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
550	const_eio (SYNC_FILE_RANGE_WRITE)	893	const_eio (SYNC_FILE_RANGE_WRITE)
551	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	894	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
		895
		896	const_eio (FALLOC_FL_KEEP_SIZE)
552		897
553	const_eio (READDIR_DENTS)	898	const_eio (READDIR_DENTS)
554	const_eio (READDIR_DIRS_FIRST)	899	const_eio (READDIR_DIRS_FIRST)
555	const_eio (READDIR_STAT_ORDER)	900	const_eio (READDIR_STAT_ORDER)
556	const_eio (READDIR_FOUND_UNKNOWN)	901	const_eio (READDIR_FOUND_UNKNOWN)
…		…
564	const_eio (DT_LNK)	909	const_eio (DT_LNK)
565	const_eio (DT_SOCK)	910	const_eio (DT_SOCK)
566	const_eio (DT_WHT)	911	const_eio (DT_WHT)
567	};	912	};
568		913
569	stash = gv_stashpv ("IO::AIO", 1);	914	aio_stash = gv_stashpv ("IO::AIO" , 1);
		915	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
		916	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
570		917
571	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	918	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
572	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	919	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
		920
		921	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
573		922
574	create_respipe ();	923	create_respipe ();
575		924
576	if (eio_init (want_poll, done_poll) < 0)	925	if (eio_init (want_poll, done_poll) < 0)
577	croak ("IO::AIO: unable to initialise eio library");	926	croak ("IO::AIO: unable to initialise eio library");
…		…
579	/* atfork child called in fifo order, so before eio's handler */	928	/* atfork child called in fifo order, so before eio's handler */
580	X_THREAD_ATFORK (0, 0, atfork_child);	929	X_THREAD_ATFORK (0, 0, atfork_child);
581	}	930	}
582		931
583	void	932	void
584	max_poll_reqs (int nreqs)	933	max_poll_reqs (unsigned int nreqs)
585	PROTOTYPE: $	934	PROTOTYPE: $
586	CODE:	935	CODE:
587	eio_set_max_poll_reqs (nreqs);	936	eio_set_max_poll_reqs (nreqs);
588		937
589	void	938	void
…		…
591	PROTOTYPE: $	940	PROTOTYPE: $
592	CODE:	941	CODE:
593	eio_set_max_poll_time (nseconds);	942	eio_set_max_poll_time (nseconds);
594		943
595	void	944	void
596	min_parallel (int nthreads)	945	min_parallel (unsigned int nthreads)
597	PROTOTYPE: $	946	PROTOTYPE: $
598	CODE:	947	CODE:
599	eio_set_min_parallel (nthreads);	948	eio_set_min_parallel (nthreads);
600		949
601	void	950	void
602	max_parallel (int nthreads)	951	max_parallel (unsigned int nthreads)
603	PROTOTYPE: $	952	PROTOTYPE: $
604	CODE:	953	CODE:
605	eio_set_max_parallel (nthreads);	954	eio_set_max_parallel (nthreads);
606		955
607	void	956	void
608	max_idle (int nthreads)	957	max_idle (unsigned int nthreads)
609	PROTOTYPE: $	958	PROTOTYPE: $
610	CODE:	959	CODE:
611	eio_set_max_idle (nthreads);	960	eio_set_max_idle (nthreads);
612		961
613	void	962	void
		963	idle_timeout (unsigned int seconds)
		964	PROTOTYPE: $
		965	CODE:
		966	eio_set_idle_timeout (seconds);
		967
		968	void
614	max_outstanding (int maxreqs)	969	max_outstanding (unsigned int maxreqs)
615	PROTOTYPE: $	970	PROTOTYPE: $
616	CODE:	971	CODE:
617	max_outstanding = maxreqs;	972	max_outstanding = maxreqs;
618		973
619	void	974	void
620	aio_open (SV8 pathname, int flags, int mode, SV callback=&PL_sv_undef)	975	aio_open (SV8 pathname, int flags, int mode, SV callback=&PL_sv_undef)
621	PROTOTYPE: $$$;$
622	PPCODE:	976	PPCODE:
623	{	977	{
624	dREQ;	978	dREQ;
625		979
626	req->type = EIO_OPEN;	980	req->type = EIO_OPEN;
…		…
632	REQ_SEND;	986	REQ_SEND;
633	}	987	}
634		988
635	void	989	void
636	aio_fsync (SV fh, SV callback=&PL_sv_undef)	990	aio_fsync (SV fh, SV callback=&PL_sv_undef)
637	PROTOTYPE: $;$
638	ALIAS:	991	ALIAS:
639	aio_fsync = EIO_FSYNC	992	aio_fsync = EIO_FSYNC
640	aio_fdatasync = EIO_FDATASYNC	993	aio_fdatasync = EIO_FDATASYNC
641	PPCODE:	994	PPCODE:
642	{	995	{
…		…
650	REQ_SEND (req);	1003	REQ_SEND (req);
651	}	1004	}
652		1005
653	void	1006	void
654	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback=&PL_sv_undef)	1007	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback=&PL_sv_undef)
655	PROTOTYPE: $$$$;$
656	PPCODE:	1008	PPCODE:
657	{	1009	{
658	int fd = s_fileno_croak (fh, 0);	1010	int fd = s_fileno_croak (fh, 0);
659	dREQ;	1011	dREQ;
660		1012
…		…
667		1019
668	REQ_SEND (req);	1020	REQ_SEND (req);
669	}	1021	}
670		1022
671	void	1023	void
		1024	aio_fallocate (SV fh, int mode, off_t offset, size_t len, SV callback=&PL_sv_undef)
		1025	PPCODE:
		1026	{
		1027	int fd = s_fileno_croak (fh, 0);
		1028	dREQ;
		1029
		1030	req->type = EIO_FALLOCATE;
		1031	req->sv1 = newSVsv (fh);
		1032	req->int1 = fd;
		1033	req->int2 = mode;
		1034	req->offs = offset;
		1035	req->size = len;
		1036
		1037	REQ_SEND (req);
		1038	}
		1039
		1040	void
672	aio_close (SV fh, SV callback=&PL_sv_undef)	1041	aio_close (SV fh, SV callback=&PL_sv_undef)
673	PROTOTYPE: $;$
674	PPCODE:	1042	PPCODE:
675	{	1043	{
676	static int close_pipe = -1; /* dummy fd to close fds via dup2 */	1044	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
677	int fd = s_fileno_croak (fh, 0);	1045	int fd = s_fileno_croak (fh, 0);
678	dREQ;	1046	dREQ;
…		…
700	void	1068	void
701	aio_read (SV fh, SV offset, SV length, SV8 data, IV dataoffset, SV *callback=&PL_sv_undef)	1069	aio_read (SV fh, SV offset, SV length, SV8 data, IV dataoffset, SV *callback=&PL_sv_undef)
702	ALIAS:	1070	ALIAS:
703	aio_read = EIO_READ	1071	aio_read = EIO_READ
704	aio_write = EIO_WRITE	1072	aio_write = EIO_WRITE
705	PROTOTYPE: $$$$$;$
706	PPCODE:	1073	PPCODE:
707	{	1074	{
708	STRLEN svlen;	1075	STRLEN svlen;
709	int fd = s_fileno_croak (fh, ix == EIO_WRITE);	1076	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
710	char *svptr = SvPVbyte (data, svlen);	1077	char *svptr = SvPVbyte (data, svlen);
…		…
751	}	1118	}
752	}	1119	}
753		1120
754	void	1121	void
755	aio_readlink (SV8 path, SV callback=&PL_sv_undef)	1122	aio_readlink (SV8 path, SV callback=&PL_sv_undef)
756	PROTOTYPE: $$;$	1123	ALIAS:
		1124	aio_readlink = EIO_READLINK
		1125	aio_realpath = EIO_REALPATH
757	PPCODE:	1126	PPCODE:
758	{	1127	{
759	SV *data;	1128	SV *data;
760	dREQ;	1129	dREQ;
761		1130
762	req->type = EIO_READLINK;	1131	req->type = ix;
763	req->sv1 = newSVsv (path);	1132	req->sv1 = newSVsv (path);
764	req->ptr1 = SvPVbyte_nolen (req->sv1);	1133	req->ptr1 = SvPVbyte_nolen (req->sv1);
765		1134
766	REQ_SEND;	1135	REQ_SEND;
767	}	1136	}
768		1137
769	void	1138	void
770	aio_sendfile (SV out_fh, SV in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1139	aio_sendfile (SV out_fh, SV in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
771	PROTOTYPE: $$$$;$
772	PPCODE:	1140	PPCODE:
773	{	1141	{
774	int ifd = s_fileno_croak (in_fh , 0);	1142	int ifd = s_fileno_croak (in_fh , 0);
775	int ofd = s_fileno_croak (out_fh, 1);	1143	int ofd = s_fileno_croak (out_fh, 1);
776	dREQ;	1144	dREQ;
…		…
786	REQ_SEND;	1154	REQ_SEND;
787	}	1155	}
788		1156
789	void	1157	void
790	aio_readahead (SV fh, off_t offset, size_t length, SV callback=&PL_sv_undef)	1158	aio_readahead (SV fh, off_t offset, size_t length, SV callback=&PL_sv_undef)
791	PROTOTYPE: $$$;$
792	PPCODE:	1159	PPCODE:
793	{	1160	{
794	int fd = s_fileno_croak (fh, 0);	1161	int fd = s_fileno_croak (fh, 0);
795	dREQ;	1162	dREQ;
796		1163
…		…
804	}	1171	}
805		1172
806	void	1173	void
807	aio_stat (SV8 fh_or_path, SV callback=&PL_sv_undef)	1174	aio_stat (SV8 fh_or_path, SV callback=&PL_sv_undef)
808	ALIAS:	1175	ALIAS:
809	aio_stat = EIO_STAT	1176	aio_stat = EIO_STAT
810	aio_lstat = EIO_LSTAT	1177	aio_lstat = EIO_LSTAT
		1178	aio_statvfs = EIO_STATVFS
811	PPCODE:	1179	PPCODE:
812	{	1180	{
813	dREQ;	1181	dREQ;
814		1182
815	req->sv1 = newSVsv (fh_or_path);	1183	req->sv1 = newSVsv (fh_or_path);
…		…
819	req->type = ix;	1187	req->type = ix;
820	req->ptr1 = SvPVbyte_nolen (req->sv1);	1188	req->ptr1 = SvPVbyte_nolen (req->sv1);
821	}	1189	}
822	else	1190	else
823	{	1191	{
824	req->type = EIO_FSTAT;	1192	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
825	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	1193	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
826	}	1194	}
827		1195
828	REQ_SEND;	1196	REQ_SEND;
829	}	1197	}
		1198
		1199	UV
		1200	major (UV dev)
		1201	ALIAS:
		1202	minor = 1
		1203	CODE:
		1204	RETVAL = ix ? major (dev) : minor (dev);
		1205	OUTPUT:
		1206	RETVAL
		1207
		1208	UV
		1209	makedev (UV maj, UV min)
		1210	CODE:
		1211	RETVAL = makedev (maj, min);
		1212	OUTPUT:
		1213	RETVAL
830		1214
831	void	1215	void
832	aio_utime (SV8 fh_or_path, SV atime, SV mtime, SV callback=&PL_sv_undef)	1216	aio_utime (SV8 fh_or_path, SV atime, SV mtime, SV callback=&PL_sv_undef)
833	PPCODE:	1217	PPCODE:
834	{	1218	{
…		…
992		1376
993	REQ_SEND;	1377	REQ_SEND;
994	}	1378	}
995		1379
996	void	1380	void
		1381	aio_mtouch (SV8 data, IV offset = 0, SV length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
		1382	ALIAS:
		1383	aio_mtouch = EIO_MTOUCH
		1384	aio_msync = EIO_MSYNC
		1385	PPCODE:
		1386	{
		1387	STRLEN svlen;
		1388	char *svptr = SvPVbyte (data, svlen);
		1389	UV len = SvUV (length);
		1390
		1391	if (offset < 0)
		1392	offset += svlen;
		1393
		1394	if (offset < 0 \|\| offset > svlen)
		1395	croak ("offset outside of scalar");
		1396
		1397	if (!SvOK (length) \|\| len + offset > svlen)
		1398	len = svlen - offset;
		1399
		1400	{
		1401	dREQ;
		1402
		1403	req->type = ix;
		1404	req->sv2 = SvREFCNT_inc (data);
		1405	req->ptr2 = (char *)svptr + offset;
		1406	req->size = len;
		1407	req->int1 = flags;
		1408
		1409	REQ_SEND;
		1410	}
		1411	}
		1412
		1413	void
		1414	aio_mlock (SV8 data, IV offset = 0, SV length = &PL_sv_undef, SV *callback=&PL_sv_undef)
		1415	PPCODE:
		1416	{
		1417	STRLEN svlen;
		1418	char *svptr = SvPVbyte (data, svlen);
		1419	UV len = SvUV (length);
		1420
		1421	if (offset < 0)
		1422	offset += svlen;
		1423
		1424	if (offset < 0 \|\| offset > svlen)
		1425	croak ("offset outside of scalar");
		1426
		1427	if (!SvOK (length) \|\| len + offset > svlen)
		1428	len = svlen - offset;
		1429
		1430	{
		1431	dREQ;
		1432
		1433	req->type = EIO_MLOCK;
		1434	req->sv2 = SvREFCNT_inc (data);
		1435	req->ptr2 = (char *)svptr + offset;
		1436	req->size = len;
		1437
		1438	REQ_SEND;
		1439	}
		1440	}
		1441
		1442	void
		1443	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
		1444	PPCODE:
		1445	{
		1446	dREQ;
		1447
		1448	req->type = EIO_MLOCKALL;
		1449	req->int1 = flags;
		1450
		1451	REQ_SEND;
		1452	}
		1453
		1454	void
997	aio_busy (double delay, SV *callback=&PL_sv_undef)	1455	aio_busy (double delay, SV *callback=&PL_sv_undef)
998	PPCODE:	1456	PPCODE:
999	{	1457	{
1000	dREQ;	1458	dREQ;
1001		1459
…		…
1005	REQ_SEND;	1463	REQ_SEND;
1006	}	1464	}
1007		1465
1008	void	1466	void
1009	aio_group (SV *callback=&PL_sv_undef)	1467	aio_group (SV *callback=&PL_sv_undef)
1010	PROTOTYPE: ;$
1011	PPCODE:	1468	PPCODE:
1012	{	1469	{
1013	dREQ;	1470	dREQ;
1014		1471
1015	req->type = EIO_GROUP;	1472	req->type = EIO_GROUP;
1016		1473
1017	req_submit (req);	1474	req_submit (req);
1018	XPUSHs (req_sv (req, AIO_GRP_KLASS));	1475	XPUSHs (req_sv (req, aio_grp_stash));
1019	}	1476	}
1020		1477
1021	void	1478	void
1022	aio_nop (SV *callback=&PL_sv_undef)	1479	aio_nop (SV *callback=&PL_sv_undef)
1023	ALIAS:	1480	ALIAS:
…		…
1032	REQ_SEND;	1489	REQ_SEND;
1033	}	1490	}
1034		1491
1035	int	1492	int
1036	aioreq_pri (int pri = 0)	1493	aioreq_pri (int pri = 0)
1037	PROTOTYPE: ;$
1038	CODE:	1494	CODE:
1039	RETVAL = next_pri;	1495	RETVAL = next_pri;
1040	if (items > 0)	1496	if (items > 0)
1041	{	1497	{
1042	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1498	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1054	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1510	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1055	next_pri = nice;	1511	next_pri = nice;
1056		1512
1057	void	1513	void
1058	flush ()	1514	flush ()
1059	PROTOTYPE:
1060	CODE:	1515	CODE:
1061	while (eio_nreqs ())	1516	while (eio_nreqs ())
1062	{	1517	{
1063	poll_wait ();	1518	poll_wait ();
1064	poll_cb ();	1519	poll_cb ();
1065	}	1520	}
1066		1521
1067	int	1522	int
1068	poll()	1523	poll ()
1069	PROTOTYPE:
1070	CODE:	1524	CODE:
1071	poll_wait ();	1525	poll_wait ();
1072	RETVAL = poll_cb ();	1526	RETVAL = poll_cb ();
1073	OUTPUT:	1527	OUTPUT:
1074	RETVAL	1528	RETVAL
1075		1529
1076	int	1530	int
1077	poll_fileno()	1531	poll_fileno ()
1078	PROTOTYPE:
1079	CODE:	1532	CODE:
1080	RETVAL = s_epipe_fd (&respipe);	1533	RETVAL = s_epipe_fd (&respipe);
1081	OUTPUT:	1534	OUTPUT:
1082	RETVAL	1535	RETVAL
1083		1536
1084	int	1537	int
1085	poll_cb(...)	1538	poll_cb (...)
1086	PROTOTYPE:	1539	PROTOTYPE:
1087	CODE:	1540	CODE:
1088	RETVAL = poll_cb ();	1541	RETVAL = poll_cb ();
1089	OUTPUT:	1542	OUTPUT:
1090	RETVAL	1543	RETVAL
1091		1544
1092	void	1545	void
1093	poll_wait()	1546	poll_wait ()
1094	PROTOTYPE:
1095	CODE:	1547	CODE:
1096	poll_wait ();	1548	poll_wait ();
1097		1549
1098	int	1550	int
1099	nreqs()	1551	nreqs ()
1100	PROTOTYPE:
1101	CODE:	1552	CODE:
1102	RETVAL = eio_nreqs ();	1553	RETVAL = eio_nreqs ();
1103	OUTPUT:	1554	OUTPUT:
1104	RETVAL	1555	RETVAL
1105		1556
1106	int	1557	int
1107	nready()	1558	nready ()
1108	PROTOTYPE:
1109	CODE:	1559	CODE:
1110	RETVAL = eio_nready ();	1560	RETVAL = eio_nready ();
1111	OUTPUT:	1561	OUTPUT:
1112	RETVAL	1562	RETVAL
1113		1563
1114	int	1564	int
1115	npending()	1565	npending ()
1116	PROTOTYPE:
1117	CODE:	1566	CODE:
1118	RETVAL = eio_npending ();	1567	RETVAL = eio_npending ();
1119	OUTPUT:	1568	OUTPUT:
1120	RETVAL	1569	RETVAL
1121		1570
1122	int	1571	int
1123	nthreads()	1572	nthreads ()
1124	PROTOTYPE:
1125	CODE:	1573	CODE:
1126	RETVAL = eio_nthreads ();	1574	RETVAL = eio_nthreads ();
1127	OUTPUT:	1575	OUTPUT:
1128	RETVAL	1576	RETVAL
1129		1577
1130	int	1578	int
1131	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)	1579	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1132	PROTOTYPE: $$$$
1133	CODE:	1580	CODE:
1134	#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1135	RETVAL = posix_fadvise (fh, offset, length, advice);	1581	RETVAL = posix_fadvise (fh, offset, length, advice);
1136	#else
1137	RETVAL = errno = ENOSYS;
1138	#endif
1139	OUTPUT:	1582	OUTPUT:
1140	RETVAL	1583	RETVAL
1141		1584
1142	ssize_t	1585	ssize_t
1143	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1586	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1144	PROTOTYPE: $$$$
1145	CODE:	1587	CODE:
1146	eio_sendfile_sync (ofh, ifh, offset, count);	1588	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
		1589	OUTPUT:
		1590	RETVAL
		1591
		1592	void
		1593	mmap (SV scalar, size_t length, int prot, int flags, SV fh, off_t offset = 0)
		1594	PPCODE:
		1595	sv_unmagic (scalar, MMAP_MAGIC);
		1596	{
		1597	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
		1598	void addr = (void )mmap (0, length, prot, flags, fd, offset);
		1599	if (addr == (void *)-1)
		1600	XSRETURN_NO;
		1601
		1602	sv_force_normal (scalar);
		1603
		1604	/* we store the length in mg_obj, as namlen is I32 :/ */
		1605	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
		1606	->mg_obj = (SV *)length;
		1607
		1608	SvUPGRADE (scalar, SVt_PV); /* nop... */
		1609
		1610	if (!(prot & PROT_WRITE))
		1611	SvREADONLY_on (scalar);
		1612
		1613	if (SvLEN (scalar))
		1614	Safefree (SvPVX (scalar));
		1615
		1616	SvPVX (scalar) = (char *)addr;
		1617	SvCUR_set (scalar, length);
		1618	SvLEN_set (scalar, 0);
		1619	SvPOK_only (scalar);
		1620
		1621	XSRETURN_YES;
		1622	}
		1623
		1624	void
		1625	munmap (SV *scalar)
		1626	CODE:
		1627	sv_unmagic (scalar, MMAP_MAGIC);
		1628
		1629	int
		1630	madvise (SV scalar, off_t offset = 0, SV length = &PL_sv_undef, IV advice_or_prot)
		1631	ALIAS:
		1632	mprotect = 1
		1633	CODE:
		1634	{
		1635	STRLEN svlen;
		1636	void *addr = SvPVbyte (scalar, svlen);
		1637	size_t len = SvUV (length);
		1638
		1639	if (offset < 0)
		1640	offset += svlen;
		1641
		1642	if (offset < 0 \|\| offset > svlen)
		1643	croak ("offset outside of scalar");
		1644
		1645	if (!SvOK (length) \|\| len + offset > svlen)
		1646	len = svlen - offset;
		1647
		1648	addr = (void *)(((intptr_t)addr) + offset);
		1649	eio_page_align (&addr, &len);
		1650
		1651	switch (ix)
		1652	{
		1653	case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
		1654	case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
		1655	}
		1656	}
		1657	OUTPUT:
		1658	RETVAL
		1659
		1660	int
		1661	munlock (SV scalar, off_t offset = 0, SV length = &PL_sv_undef)
		1662	CODE:
		1663	{
		1664	STRLEN svlen;
		1665	void *addr = SvPVbyte (scalar, svlen);
		1666	size_t len = SvUV (length);
		1667
		1668	if (offset < 0)
		1669	offset += svlen;
		1670
		1671	if (offset < 0 \|\| offset > svlen)
		1672	croak ("offset outside of scalar");
		1673
		1674	if (!SvOK (length) \|\| len + offset > svlen)
		1675	len = svlen - offset;
		1676
		1677	addr = (void *)(((intptr_t)addr) + offset);
		1678	eio_page_align (&addr, &len);
		1679	#if _POSIX_MEMLOCK_RANGE
		1680	RETVAL = munlock (addr, len);
		1681	#else
		1682	RETVAL = ((errno = ENOSYS), -1);
		1683	#endif
		1684	}
		1685	OUTPUT:
		1686	RETVAL
		1687
		1688	int
		1689	munlockall ()
		1690	CODE:
		1691	#if _POSIX_MEMLOCK
		1692	munlockall ();
		1693	#else
		1694	RETVAL = -1;
		1695	errno = ENOSYS;
		1696	#endif
		1697	OUTPUT:
		1698	RETVAL
1147		1699
1148	void _on_next_submit (SV *cb)	1700	void _on_next_submit (SV *cb)
1149	CODE:	1701	CODE:
1150	SvREFCNT_dec (on_next_submit);	1702	SvREFCNT_dec (on_next_submit);
1151	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1703	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;

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Comparing IO-AIO/AIO.xs (file contents): Revision 1.154 by root, Wed Jul 15 01:39:15 2009 UTC vs. Revision 1.185 by root, Thu Jul 7 22:36:18 2011 UTC

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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.154 by root, Wed Jul 15 01:39:15 2009 UTC vs.
Revision 1.185 by root, Thu Jul 7 22:36:18 2011 UTC