[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 1.184 by root, Tue Jul 5 20:34:42 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)
552		895
…		…
564	const_eio (DT_LNK)	907	const_eio (DT_LNK)
565	const_eio (DT_SOCK)	908	const_eio (DT_SOCK)
566	const_eio (DT_WHT)	909	const_eio (DT_WHT)
567	};	910	};
568		911
569	stash = gv_stashpv ("IO::AIO", 1);	912	aio_stash = gv_stashpv ("IO::AIO" , 1);
		913	aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
		914	aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
570		915
571	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	916	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
572	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	917	newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
		918
		919	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
573		920
574	create_respipe ();	921	create_respipe ();
575		922
576	if (eio_init (want_poll, done_poll) < 0)	923	if (eio_init (want_poll, done_poll) < 0)
577	croak ("IO::AIO: unable to initialise eio library");	924	croak ("IO::AIO: unable to initialise eio library");
…		…
579	/* atfork child called in fifo order, so before eio's handler */	926	/* atfork child called in fifo order, so before eio's handler */
580	X_THREAD_ATFORK (0, 0, atfork_child);	927	X_THREAD_ATFORK (0, 0, atfork_child);
581	}	928	}
582		929
583	void	930	void
584	max_poll_reqs (int nreqs)	931	max_poll_reqs (unsigned int nreqs)
585	PROTOTYPE: $	932	PROTOTYPE: $
586	CODE:	933	CODE:
587	eio_set_max_poll_reqs (nreqs);	934	eio_set_max_poll_reqs (nreqs);
588		935
589	void	936	void
…		…
591	PROTOTYPE: $	938	PROTOTYPE: $
592	CODE:	939	CODE:
593	eio_set_max_poll_time (nseconds);	940	eio_set_max_poll_time (nseconds);
594		941
595	void	942	void
596	min_parallel (int nthreads)	943	min_parallel (unsigned int nthreads)
597	PROTOTYPE: $	944	PROTOTYPE: $
598	CODE:	945	CODE:
599	eio_set_min_parallel (nthreads);	946	eio_set_min_parallel (nthreads);
600		947
601	void	948	void
602	max_parallel (int nthreads)	949	max_parallel (unsigned int nthreads)
603	PROTOTYPE: $	950	PROTOTYPE: $
604	CODE:	951	CODE:
605	eio_set_max_parallel (nthreads);	952	eio_set_max_parallel (nthreads);
606		953
607	void	954	void
608	max_idle (int nthreads)	955	max_idle (unsigned int nthreads)
609	PROTOTYPE: $	956	PROTOTYPE: $
610	CODE:	957	CODE:
611	eio_set_max_idle (nthreads);	958	eio_set_max_idle (nthreads);
612		959
613	void	960	void
		961	idle_timeout (unsigned int seconds)
		962	PROTOTYPE: $
		963	CODE:
		964	eio_set_idle_timeout (seconds);
		965
		966	void
614	max_outstanding (int maxreqs)	967	max_outstanding (unsigned int maxreqs)
615	PROTOTYPE: $	968	PROTOTYPE: $
616	CODE:	969	CODE:
617	max_outstanding = maxreqs;	970	max_outstanding = maxreqs;
618		971
619	void	972	void
620	aio_open (SV8 pathname, int flags, int mode, SV callback=&PL_sv_undef)	973	aio_open (SV8 pathname, int flags, int mode, SV callback=&PL_sv_undef)
621	PROTOTYPE: $$$;$
622	PPCODE:	974	PPCODE:
623	{	975	{
624	dREQ;	976	dREQ;
625		977
626	req->type = EIO_OPEN;	978	req->type = EIO_OPEN;
…		…
632	REQ_SEND;	984	REQ_SEND;
633	}	985	}
634		986
635	void	987	void
636	aio_fsync (SV fh, SV callback=&PL_sv_undef)	988	aio_fsync (SV fh, SV callback=&PL_sv_undef)
637	PROTOTYPE: $;$
638	ALIAS:	989	ALIAS:
639	aio_fsync = EIO_FSYNC	990	aio_fsync = EIO_FSYNC
640	aio_fdatasync = EIO_FDATASYNC	991	aio_fdatasync = EIO_FDATASYNC
641	PPCODE:	992	PPCODE:
642	{	993	{
…		…
650	REQ_SEND (req);	1001	REQ_SEND (req);
651	}	1002	}
652		1003
653	void	1004	void
654	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback=&PL_sv_undef)	1005	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback=&PL_sv_undef)
655	PROTOTYPE: $$$$;$
656	PPCODE:	1006	PPCODE:
657	{	1007	{
658	int fd = s_fileno_croak (fh, 0);	1008	int fd = s_fileno_croak (fh, 0);
659	dREQ;	1009	dREQ;
660		1010
…		…
668	REQ_SEND (req);	1018	REQ_SEND (req);
669	}	1019	}
670		1020
671	void	1021	void
672	aio_close (SV fh, SV callback=&PL_sv_undef)	1022	aio_close (SV fh, SV callback=&PL_sv_undef)
673	PROTOTYPE: $;$
674	PPCODE:	1023	PPCODE:
675	{	1024	{
676	static int close_pipe = -1; /* dummy fd to close fds via dup2 */	1025	static int close_pipe = -1; /* dummy fd to close fds via dup2 */
677	int fd = s_fileno_croak (fh, 0);	1026	int fd = s_fileno_croak (fh, 0);
678	dREQ;	1027	dREQ;
…		…
700	void	1049	void
701	aio_read (SV fh, SV offset, SV length, SV8 data, IV dataoffset, SV *callback=&PL_sv_undef)	1050	aio_read (SV fh, SV offset, SV length, SV8 data, IV dataoffset, SV *callback=&PL_sv_undef)
702	ALIAS:	1051	ALIAS:
703	aio_read = EIO_READ	1052	aio_read = EIO_READ
704	aio_write = EIO_WRITE	1053	aio_write = EIO_WRITE
705	PROTOTYPE: $$$$$;$
706	PPCODE:	1054	PPCODE:
707	{	1055	{
708	STRLEN svlen;	1056	STRLEN svlen;
709	int fd = s_fileno_croak (fh, ix == EIO_WRITE);	1057	int fd = s_fileno_croak (fh, ix == EIO_WRITE);
710	char *svptr = SvPVbyte (data, svlen);	1058	char *svptr = SvPVbyte (data, svlen);
…		…
751	}	1099	}
752	}	1100	}
753		1101
754	void	1102	void
755	aio_readlink (SV8 path, SV callback=&PL_sv_undef)	1103	aio_readlink (SV8 path, SV callback=&PL_sv_undef)
756	PROTOTYPE: $$;$	1104	ALIAS:
		1105	aio_readlink = EIO_READLINK
		1106	aio_realpath = EIO_REALPATH
757	PPCODE:	1107	PPCODE:
758	{	1108	{
759	SV *data;	1109	SV *data;
760	dREQ;	1110	dREQ;
761		1111
762	req->type = EIO_READLINK;	1112	req->type = ix;
763	req->sv1 = newSVsv (path);	1113	req->sv1 = newSVsv (path);
764	req->ptr1 = SvPVbyte_nolen (req->sv1);	1114	req->ptr1 = SvPVbyte_nolen (req->sv1);
765		1115
766	REQ_SEND;	1116	REQ_SEND;
767	}	1117	}
768		1118
769	void	1119	void
770	aio_sendfile (SV out_fh, SV in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1120	aio_sendfile (SV out_fh, SV in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
771	PROTOTYPE: $$$$;$
772	PPCODE:	1121	PPCODE:
773	{	1122	{
774	int ifd = s_fileno_croak (in_fh , 0);	1123	int ifd = s_fileno_croak (in_fh , 0);
775	int ofd = s_fileno_croak (out_fh, 1);	1124	int ofd = s_fileno_croak (out_fh, 1);
776	dREQ;	1125	dREQ;
…		…
786	REQ_SEND;	1135	REQ_SEND;
787	}	1136	}
788		1137
789	void	1138	void
790	aio_readahead (SV fh, off_t offset, size_t length, SV callback=&PL_sv_undef)	1139	aio_readahead (SV fh, off_t offset, size_t length, SV callback=&PL_sv_undef)
791	PROTOTYPE: $$$;$
792	PPCODE:	1140	PPCODE:
793	{	1141	{
794	int fd = s_fileno_croak (fh, 0);	1142	int fd = s_fileno_croak (fh, 0);
795	dREQ;	1143	dREQ;
796		1144
…		…
804	}	1152	}
805		1153
806	void	1154	void
807	aio_stat (SV8 fh_or_path, SV callback=&PL_sv_undef)	1155	aio_stat (SV8 fh_or_path, SV callback=&PL_sv_undef)
808	ALIAS:	1156	ALIAS:
809	aio_stat = EIO_STAT	1157	aio_stat = EIO_STAT
810	aio_lstat = EIO_LSTAT	1158	aio_lstat = EIO_LSTAT
		1159	aio_statvfs = EIO_STATVFS
811	PPCODE:	1160	PPCODE:
812	{	1161	{
813	dREQ;	1162	dREQ;
814		1163
815	req->sv1 = newSVsv (fh_or_path);	1164	req->sv1 = newSVsv (fh_or_path);
…		…
819	req->type = ix;	1168	req->type = ix;
820	req->ptr1 = SvPVbyte_nolen (req->sv1);	1169	req->ptr1 = SvPVbyte_nolen (req->sv1);
821	}	1170	}
822	else	1171	else
823	{	1172	{
824	req->type = EIO_FSTAT;	1173	req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
825	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));	1174	req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
826	}	1175	}
827		1176
828	REQ_SEND;	1177	REQ_SEND;
829	}	1178	}
		1179
		1180	UV
		1181	major (UV dev)
		1182	ALIAS:
		1183	minor = 1
		1184	CODE:
		1185	RETVAL = ix ? major (dev) : minor (dev);
		1186	OUTPUT:
		1187	RETVAL
		1188
		1189	UV
		1190	makedev (UV maj, UV min)
		1191	CODE:
		1192	RETVAL = makedev (maj, min);
		1193	OUTPUT:
		1194	RETVAL
830		1195
831	void	1196	void
832	aio_utime (SV8 fh_or_path, SV atime, SV mtime, SV callback=&PL_sv_undef)	1197	aio_utime (SV8 fh_or_path, SV atime, SV mtime, SV callback=&PL_sv_undef)
833	PPCODE:	1198	PPCODE:
834	{	1199	{
…		…
992		1357
993	REQ_SEND;	1358	REQ_SEND;
994	}	1359	}
995		1360
996	void	1361	void
		1362	aio_mtouch (SV8 data, IV offset = 0, SV length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
		1363	ALIAS:
		1364	aio_mtouch = EIO_MTOUCH
		1365	aio_msync = EIO_MSYNC
		1366	PPCODE:
		1367	{
		1368	STRLEN svlen;
		1369	char *svptr = SvPVbyte (data, svlen);
		1370	UV len = SvUV (length);
		1371
		1372	if (offset < 0)
		1373	offset += svlen;
		1374
		1375	if (offset < 0 \|\| offset > svlen)
		1376	croak ("offset outside of scalar");
		1377
		1378	if (!SvOK (length) \|\| len + offset > svlen)
		1379	len = svlen - offset;
		1380
		1381	{
		1382	dREQ;
		1383
		1384	req->type = ix;
		1385	req->sv2 = SvREFCNT_inc (data);
		1386	req->ptr2 = (char *)svptr + offset;
		1387	req->size = len;
		1388	req->int1 = flags;
		1389
		1390	REQ_SEND;
		1391	}
		1392	}
		1393
		1394	void
		1395	aio_mlock (SV8 data, IV offset = 0, SV length = &PL_sv_undef, SV *callback=&PL_sv_undef)
		1396	PPCODE:
		1397	{
		1398	STRLEN svlen;
		1399	char *svptr = SvPVbyte (data, svlen);
		1400	UV len = SvUV (length);
		1401
		1402	if (offset < 0)
		1403	offset += svlen;
		1404
		1405	if (offset < 0 \|\| offset > svlen)
		1406	croak ("offset outside of scalar");
		1407
		1408	if (!SvOK (length) \|\| len + offset > svlen)
		1409	len = svlen - offset;
		1410
		1411	{
		1412	dREQ;
		1413
		1414	req->type = EIO_MLOCK;
		1415	req->sv2 = SvREFCNT_inc (data);
		1416	req->ptr2 = (char *)svptr + offset;
		1417	req->size = len;
		1418
		1419	REQ_SEND;
		1420	}
		1421	}
		1422
		1423	void
		1424	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
		1425	PPCODE:
		1426	{
		1427	dREQ;
		1428
		1429	req->type = EIO_MLOCKALL;
		1430	req->int1 = flags;
		1431
		1432	REQ_SEND;
		1433	}
		1434
		1435	void
997	aio_busy (double delay, SV *callback=&PL_sv_undef)	1436	aio_busy (double delay, SV *callback=&PL_sv_undef)
998	PPCODE:	1437	PPCODE:
999	{	1438	{
1000	dREQ;	1439	dREQ;
1001		1440
…		…
1005	REQ_SEND;	1444	REQ_SEND;
1006	}	1445	}
1007		1446
1008	void	1447	void
1009	aio_group (SV *callback=&PL_sv_undef)	1448	aio_group (SV *callback=&PL_sv_undef)
1010	PROTOTYPE: ;$
1011	PPCODE:	1449	PPCODE:
1012	{	1450	{
1013	dREQ;	1451	dREQ;
1014		1452
1015	req->type = EIO_GROUP;	1453	req->type = EIO_GROUP;
1016		1454
1017	req_submit (req);	1455	req_submit (req);
1018	XPUSHs (req_sv (req, AIO_GRP_KLASS));	1456	XPUSHs (req_sv (req, aio_grp_stash));
1019	}	1457	}
1020		1458
1021	void	1459	void
1022	aio_nop (SV *callback=&PL_sv_undef)	1460	aio_nop (SV *callback=&PL_sv_undef)
1023	ALIAS:	1461	ALIAS:
…		…
1032	REQ_SEND;	1470	REQ_SEND;
1033	}	1471	}
1034		1472
1035	int	1473	int
1036	aioreq_pri (int pri = 0)	1474	aioreq_pri (int pri = 0)
1037	PROTOTYPE: ;$
1038	CODE:	1475	CODE:
1039	RETVAL = next_pri;	1476	RETVAL = next_pri;
1040	if (items > 0)	1477	if (items > 0)
1041	{	1478	{
1042	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1479	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1054	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;	1491	if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1055	next_pri = nice;	1492	next_pri = nice;
1056		1493
1057	void	1494	void
1058	flush ()	1495	flush ()
1059	PROTOTYPE:
1060	CODE:	1496	CODE:
1061	while (eio_nreqs ())	1497	while (eio_nreqs ())
1062	{	1498	{
1063	poll_wait ();	1499	poll_wait ();
1064	poll_cb ();	1500	poll_cb ();
1065	}	1501	}
1066		1502
1067	int	1503	int
1068	poll()	1504	poll ()
1069	PROTOTYPE:
1070	CODE:	1505	CODE:
1071	poll_wait ();	1506	poll_wait ();
1072	RETVAL = poll_cb ();	1507	RETVAL = poll_cb ();
1073	OUTPUT:	1508	OUTPUT:
1074	RETVAL	1509	RETVAL
1075		1510
1076	int	1511	int
1077	poll_fileno()	1512	poll_fileno ()
1078	PROTOTYPE:
1079	CODE:	1513	CODE:
1080	RETVAL = s_epipe_fd (&respipe);	1514	RETVAL = s_epipe_fd (&respipe);
1081	OUTPUT:	1515	OUTPUT:
1082	RETVAL	1516	RETVAL
1083		1517
1084	int	1518	int
1085	poll_cb(...)	1519	poll_cb (...)
1086	PROTOTYPE:	1520	PROTOTYPE:
1087	CODE:	1521	CODE:
1088	RETVAL = poll_cb ();	1522	RETVAL = poll_cb ();
1089	OUTPUT:	1523	OUTPUT:
1090	RETVAL	1524	RETVAL
1091		1525
1092	void	1526	void
1093	poll_wait()	1527	poll_wait ()
1094	PROTOTYPE:
1095	CODE:	1528	CODE:
1096	poll_wait ();	1529	poll_wait ();
1097		1530
1098	int	1531	int
1099	nreqs()	1532	nreqs ()
1100	PROTOTYPE:
1101	CODE:	1533	CODE:
1102	RETVAL = eio_nreqs ();	1534	RETVAL = eio_nreqs ();
1103	OUTPUT:	1535	OUTPUT:
1104	RETVAL	1536	RETVAL
1105		1537
1106	int	1538	int
1107	nready()	1539	nready ()
1108	PROTOTYPE:
1109	CODE:	1540	CODE:
1110	RETVAL = eio_nready ();	1541	RETVAL = eio_nready ();
1111	OUTPUT:	1542	OUTPUT:
1112	RETVAL	1543	RETVAL
1113		1544
1114	int	1545	int
1115	npending()	1546	npending ()
1116	PROTOTYPE:
1117	CODE:	1547	CODE:
1118	RETVAL = eio_npending ();	1548	RETVAL = eio_npending ();
1119	OUTPUT:	1549	OUTPUT:
1120	RETVAL	1550	RETVAL
1121		1551
1122	int	1552	int
1123	nthreads()	1553	nthreads ()
1124	PROTOTYPE:
1125	CODE:	1554	CODE:
1126	RETVAL = eio_nthreads ();	1555	RETVAL = eio_nthreads ();
1127	OUTPUT:	1556	OUTPUT:
1128	RETVAL	1557	RETVAL
1129		1558
1130	int	1559	int
1131	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)	1560	fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1132	PROTOTYPE: $$$$
1133	CODE:	1561	CODE:
1134	#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1135	RETVAL = posix_fadvise (fh, offset, length, advice);	1562	RETVAL = posix_fadvise (fh, offset, length, advice);
1136	#else
1137	RETVAL = errno = ENOSYS;
1138	#endif
1139	OUTPUT:	1563	OUTPUT:
1140	RETVAL	1564	RETVAL
1141		1565
1142	ssize_t	1566	ssize_t
1143	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)	1567	sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1144	PROTOTYPE: $$$$
1145	CODE:	1568	CODE:
1146	eio_sendfile_sync (ofh, ifh, offset, count);	1569	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
		1570	OUTPUT:
		1571	RETVAL
		1572
		1573	void
		1574	mmap (SV scalar, size_t length, int prot, int flags, SV fh, off_t offset = 0)
		1575	PPCODE:
		1576	sv_unmagic (scalar, MMAP_MAGIC);
		1577	{
		1578	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
		1579	void addr = (void )mmap (0, length, prot, flags, fd, offset);
		1580	if (addr == (void *)-1)
		1581	XSRETURN_NO;
		1582
		1583	sv_force_normal (scalar);
		1584
		1585	/* we store the length in mg_obj, as namlen is I32 :/ */
		1586	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
		1587	->mg_obj = (SV *)length;
		1588
		1589	SvUPGRADE (scalar, SVt_PV); /* nop... */
		1590
		1591	if (!(prot & PROT_WRITE))
		1592	SvREADONLY_on (scalar);
		1593
		1594	if (SvLEN (scalar))
		1595	Safefree (SvPVX (scalar));
		1596
		1597	SvPVX (scalar) = (char *)addr;
		1598	SvCUR_set (scalar, length);
		1599	SvLEN_set (scalar, 0);
		1600	SvPOK_only (scalar);
		1601
		1602	XSRETURN_YES;
		1603	}
		1604
		1605	void
		1606	munmap (SV *scalar)
		1607	CODE:
		1608	sv_unmagic (scalar, MMAP_MAGIC);
		1609
		1610	int
		1611	madvise (SV scalar, off_t offset = 0, SV length = &PL_sv_undef, IV advice_or_prot)
		1612	ALIAS:
		1613	mprotect = 1
		1614	CODE:
		1615	{
		1616	STRLEN svlen;
		1617	void *addr = SvPVbyte (scalar, svlen);
		1618	size_t len = SvUV (length);
		1619
		1620	if (offset < 0)
		1621	offset += svlen;
		1622
		1623	if (offset < 0 \|\| offset > svlen)
		1624	croak ("offset outside of scalar");
		1625
		1626	if (!SvOK (length) \|\| len + offset > svlen)
		1627	len = svlen - offset;
		1628
		1629	addr = (void *)(((intptr_t)addr) + offset);
		1630	eio_page_align (&addr, &len);
		1631
		1632	switch (ix)
		1633	{
		1634	case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
		1635	case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
		1636	}
		1637	}
		1638	OUTPUT:
		1639	RETVAL
		1640
		1641	int
		1642	munlock (SV scalar, off_t offset = 0, SV length = &PL_sv_undef)
		1643	CODE:
		1644	{
		1645	STRLEN svlen;
		1646	void *addr = SvPVbyte (scalar, svlen);
		1647	size_t len = SvUV (length);
		1648
		1649	if (offset < 0)
		1650	offset += svlen;
		1651
		1652	if (offset < 0 \|\| offset > svlen)
		1653	croak ("offset outside of scalar");
		1654
		1655	if (!SvOK (length) \|\| len + offset > svlen)
		1656	len = svlen - offset;
		1657
		1658	addr = (void *)(((intptr_t)addr) + offset);
		1659	eio_page_align (&addr, &len);
		1660	#if _POSIX_MEMLOCK_RANGE
		1661	RETVAL = munlock (addr, len);
		1662	#else
		1663	RETVAL = ((errno = ENOSYS), -1);
		1664	#endif
		1665	}
		1666	OUTPUT:
		1667	RETVAL
		1668
		1669	int
		1670	munlockall ()
		1671	CODE:
		1672	#if _POSIX_MEMLOCK
		1673	munlockall ();
		1674	#else
		1675	RETVAL = -1;
		1676	errno = ENOSYS;
		1677	#endif
		1678	OUTPUT:
		1679	RETVAL
1147		1680
1148	void _on_next_submit (SV *cb)	1681	void _on_next_submit (SV *cb)
1149	CODE:	1682	CODE:
1150	SvREFCNT_dec (on_next_submit);	1683	SvREFCNT_dec (on_next_submit);
1151	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	1684	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 1.184 by root, Tue Jul 5 20:34:42 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 1.184 by root, Tue Jul 5 20:34:42 2011 UTC