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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.211 by root, Sat Apr 7 00:50:33 2012 UTC vs.
Revision 1.251 by root, Sat Jan 6 01:04:42 2018 UTC

…		…
19		19
20	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES	20	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
21	# include <sys/mman.h>	21	# include <sys/mman.h>
22	#endif	22	#endif
23		23
24	#if __linux__	24	/* the incompetent fool that created musl keeps __linux__, refuses
		25	* to implement any linux standard apis, and also has no way to test
		26	* for his broken iplementation. don't complain to me if this fails
		27	* for you.
		28	*/
		29	#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
25	# include <linux/fs.h>	30	# include <linux/fs.h>
26	# ifdef FS_IOC_FIEMAP	31	# ifdef FS_IOC_FIEMAP
		32	# include <linux/types.h>
27	# include <linux/fiemap.h>	33	# include <linux/fiemap.h>
28	# define HAVE_FIEMAP 1	34	# define HAVE_FIEMAP 1
29	# endif	35	# endif
30	#endif	36	#endif
31		37
…		…
98	#define expect_false(expr) expect ((expr) != 0, 0)	104	#define expect_false(expr) expect ((expr) != 0, 0)
99	#define expect_true(expr) expect ((expr) != 0, 1)	105	#define expect_true(expr) expect ((expr) != 0, 1)
100		106
101	/*****************************************************************************/	107	/*****************************************************************************/
102		108
		109	#include "libeio/config.h"
		110
		111	#if HAVE_RLIMITS
		112	#include <sys/time.h>
		113	#include <sys/resource.h>
		114	#endif
		115
103	typedef SV SV8; /* byte-sv, used for argument-checking */	116	typedef SV SV8; /* byte-sv, used for argument-checking */
104	typedef int aio_rfd; /* read file desriptor */	117	typedef int aio_rfd; /* read file desriptor */
105	typedef int aio_wfd; /* write file descriptor */	118	typedef int aio_wfd; /* write file descriptor */
106		119
107	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;	120	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
…		…
113	STRLEN stroffset; \	126	STRLEN stroffset; \
114	SV *self;	127	SV *self;
115		128
116	#define EIO_NO_WRAPPERS 1	129	#define EIO_NO_WRAPPERS 1
117		130
118	#include "libeio/config.h"
119	#include "libeio/eio.h"	131	#include "libeio/eio.h"
120		132
121	static int req_invoke (eio_req *req);	133	static int req_invoke (eio_req *req);
122	#define EIO_FINISH(req) req_invoke (req)	134	#define EIO_FINISH(req) req_invoke (req)
123	static void req_destroy (eio_req *grp);	135	static void req_destroy (eio_req *grp);
…		…
140	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	152	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
141	# endif	153	# endif
142	#endif	154	#endif
143		155
144	/* defines all sorts of constants to 0 unless they are already defined */	156	/* defines all sorts of constants to 0 unless they are already defined */
		157	/* also provides const_iv_ and const_niv_ macros for them */
145	#include "def0.h"	158	#include "def0.h"
146		159
147	#ifndef makedev	160	#ifndef makedev
148	# define makedev(maj,min) (((maj) << 8) | (min))	161	# define makedev(maj,min) (((maj) << 8) | (min))
149	#endif	162	#endif
…		…
152	#endif	165	#endif
153	#ifndef minor	166	#ifndef minor
154	# define minor(dev) ((dev) & 0xff)	167	# define minor(dev) ((dev) & 0xff)
155	#endif	168	#endif
156		169
157	#ifndef PAGESIZE	170	#if PAGESIZE <= 0
158	# define PAGESIZE sysconf (_SC_PAGESIZE)	171	# define PAGESIZE sysconf (_SC_PAGESIZE)
159	#endif	172	#endif
		173
		174	/*****************************************************************************/
		175
		176	#if !_POSIX_MAPPED_FILES
		177	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
		178	# define munmap(addr,length) EIO_ENOSYS ()
		179	#endif
		180
		181	#if !_POSIX_MEMORY_PROTECTION
		182	# define mprotect(addr,len,prot) EIO_ENOSYS ()
		183	#endif
		184
		185	#define FOREIGN_MAGIC PERL_MAGIC_ext
		186
		187	static int ecb_cold
		188	mmap_free (pTHX_ SV *sv, MAGIC *mg)
		189	{
		190	int old_errno = errno;
		191	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		192	errno = old_errno;
		193
		194	mg->mg_obj = 0; /* just in case */
		195
		196	SvREADONLY_off (sv);
		197
		198	if (SvPVX (sv) != mg->mg_ptr)
		199	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		200
		201	SvCUR_set (sv, 0);
		202	SvPVX (sv) = 0;
		203	SvOK_off (sv);
		204
		205	return 0;
		206	}
		207
		208	static MGVTBL mmap_vtbl = {
		209	0, 0, 0, 0, mmap_free
		210	};
		211
		212	static int ecb_cold
		213	sysfree_free (pTHX_ SV *sv, MAGIC *mg)
		214	{
		215	free (mg->mg_ptr);
		216	mg->mg_obj = 0; /* just in case */
		217
		218	SvREADONLY_off (sv);
		219
		220	if (SvPVX (sv) != mg->mg_ptr)
		221	croak ("ERROR: IO::AIO mapped scalar changed location, detected");
		222
		223	SvCUR_set (sv, 0);
		224	SvPVX (sv) = 0;
		225	SvOK_off (sv);
		226
		227	return 0;
		228	}
		229
		230	static MGVTBL sysfree_vtbl = {
		231	0, 0, 0, 0, sysfree_free
		232	};
		233
		234	/*****************************************************************************/
		235
		236	/* helper: set scalar to foreign ptr with custom free */
		237	static void
		238	sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
		239	{
		240	sv_force_normal (sv);
		241
		242	/* we store the length in mg_obj, as namlen is I32 :/ */
		243	sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
		244	->mg_obj = (SV *)length;
		245
		246	SvUPGRADE (sv, SVt_PV); /* nop... */
		247
		248	if (SvLEN (sv))
		249	Safefree (SvPVX (sv));
		250
		251	SvPVX (sv) = (char *)addr;
		252	SvCUR_set (sv, length);
		253	SvLEN_set (sv, 0);
		254	SvPOK_only (sv);
		255	}
		256
		257	static void
		258	sv_clear_foreign (SV *sv)
		259	{
		260	/* todo: iterate over magic and only free ours, but of course */
		261	/* the perl5porters will call that (correct) behaviour buggy */
		262	sv_unmagic (sv, FOREIGN_MAGIC);
		263	}
160		264
161	/*****************************************************************************/	265	/*****************************************************************************/
162		266
163	static void	267	static void
164	fiemap (eio_req *req)	268	fiemap (eio_req *req)
165	{	269	{
166	req->result = -1;	270	req->result = -1;
167		271
168	#if HAVE_FIEMAP	272	#if HAVE_FIEMAP
		273	/* assume some c99 */
		274	struct fiemap *fiemap = 0;
		275	size_t end_offset;
169	int count = req->int3;	276	int count = req->int3;
170		277
171	/* heuristic: first try with 64 extents if we don't know how many, */	278	req->flags |= EIO_FLAG_PTR1_FREE;
172	/* as most files have (hopefully) fewer than this many extents */	279
173	/* in fact, most should have <= 2, so maybe the 72 below is probably overkill */	280	/* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
		281	/* increase in 3.5kb steps */
174	if (count < 0)	282	if (count < 0)
175	count = 72; /* for what it's worth, 72 extents fit nicely into 4kb */	283	count = 8;
		284
		285	fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		286	errno = ENOMEM;
		287	if (!fiemap)
		288	return;
		289
		290	req->ptr1 = fiemap;
		291
		292	fiemap->fm_start = req->offs;
		293	fiemap->fm_length = req->size;
		294	fiemap->fm_flags = req->int2;
		295	fiemap->fm_extent_count = count;
		296
		297	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
		298	return;
		299
		300	if (req->int3 >= 0 /* not autosizing */
		301	|| !fiemap->fm_mapped_extents /* no more extents */
		302	|| fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
		303	goto done;
		304
		305	/* else we have to loop -
		306	* it would be tempting (actually I tried that first) to just query the
		307	* number of extents needed, but linux often feels like not returning all
		308	* extents, without telling us it left any out. this complicates
		309	* this quite a bit.
		310	*/
		311
		312	end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
176		313
177	for (;;)	314	for (;;)
178	{	315	{
		316	/* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
		317	char scratch[3072];
		318	struct fiemap *incmap = (struct fiemap *)scratch;
		319
		320	incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
		321	+ fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
		322	incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
		323	incmap->fm_flags = fiemap->fm_flags;
		324	incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
		325
		326	if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
		327	return;
		328
		329	if (!incmap->fm_mapped_extents)
		330	goto done;
		331
		332	count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
179	struct fiemap *fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);	333	fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
180	errno = ENOMEM;	334	errno = ENOMEM;
181	if (!fiemap)	335	if (!fiemap)
182	return;	336	return;
183		337
184	req->ptr1 = fiemap;	338	req->ptr1 = fiemap;
185	req->flags |= EIO_FLAG_PTR1_FREE;
186		339
187	fiemap->fm_start = req->offs;	340	for (count = 0; count < incmap->fm_mapped_extents; ++count)
188	fiemap->fm_length = req->size;	341	{
189	fiemap->fm_flags = req->int2;	342	struct fiemap_extent *e = incmap->fm_extents + count;
190	fiemap->fm_extent_count = count;
191		343
192	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap))	344	if (e->fe_logical + e->fe_length >= end_offset)
193	return;	345	goto done;
194		346
195	if (req->int3 >= 0)	347	fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
196	break; /* when not autosizing we are done */
197		348
198	if (fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST)	349	if (e->fe_flags & FIEMAP_EXTENT_LAST)
199	break; /* autosizing successful, we are done */	350	goto done;
200		351
201	fiemap->fm_flags = req->int2;	352	}
202	fiemap->fm_extent_count = 0;
203
204	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap))
205	return;
206
207	count = fiemap->fm_mapped_extents;
208
209	free (fiemap);
210	}	353	}
211		354
		355	done:
212	req->result = 0;	356	req->result = 0;
213		357
214	#else	358	#else
215	errno = ENOSYS;	359	errno = ENOSYS;
216	#endif	360	#endif
…		…
263	}	407	}
264		408
265	static SV *	409	static SV *
266	newSVaio_wd (aio_wd wd)	410	newSVaio_wd (aio_wd wd)
267	{	411	{
268	return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash);	412	return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
269	}	413	}
270		414
271	static aio_req	415	static aio_req
272	SvAIO_REQ (SV *sv)	416	SvAIO_REQ (SV *sv)
273	{	417	{
…		…
292	|| SvTYPE (SvRV (sv)) != SVt_PVMG	436	|| SvTYPE (SvRV (sv)) != SVt_PVMG
293	|| SvSTASH (SvRV (sv)) != aio_wd_stash)	437	|| SvSTASH (SvRV (sv)) != aio_wd_stash)
294	croak ("IO::AIO: expected a working directory object as returned by aio_wd");	438	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
295		439
296	return (aio_wd)(long)SvIVX (SvRV (sv));	440	return (aio_wd)(long)SvIVX (SvRV (sv));
		441	}
		442
		443	static SV *
		444	newmortalFH (int fd, int flags)
		445	{
		446	if (fd < 0)
		447	return &PL_sv_undef;
		448
		449	GV *gv = (GV *)sv_newmortal ();
		450	char sym[64];
		451	int symlen;
		452
		453	symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
		454	gv_init (gv, aio_stash, sym, symlen, 0);
		455
		456	symlen = snprintf (
		457	sym,
		458	sizeof (sym),
		459	"%s&=%d",
		460	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
		461	fd
		462	);
		463
		464	return do_open (gv, sym, symlen, 0, 0, 0, 0)
		465	? (SV *)gv : &PL_sv_undef;
297	}	466	}
298		467
299	static void	468	static void
300	aio_grp_feed (aio_req grp)	469	aio_grp_feed (aio_req grp)
301	{	470	{
…		…
429	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));	598	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
430	}	599	}
431	break;	600	break;
432		601
433	case EIO_OPEN:	602	case EIO_OPEN:
434	{	603	PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
435	/* convert fd to fh */
436	SV *fh = &PL_sv_undef;
437
438	if (req->result >= 0)
439	{
440	GV *gv = (GV *)sv_newmortal ();
441	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
442	char sym [64];
443	int symlen;
444
445	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
446	gv_init (gv, aio_stash, sym, symlen, 0);
447
448	symlen = snprintf (
449	sym,
450	sizeof (sym),
451	"%s&=%d",
452	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
453	(int)req->result
454	);
455
456	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
457	fh = (SV *)gv;
458	}
459
460	PUSHs (fh);
461	}
462	break;	604	break;
463		605
464	case EIO_STATVFS:	606	case EIO_STATVFS:
465	case EIO_FSTATVFS:	607	case EIO_FSTATVFS:
466	{	608	{
…		…
469	#ifndef _WIN32	611	#ifndef _WIN32
470	if (req->result >= 0)	612	if (req->result >= 0)
471	{	613	{
472	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	614	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
473	HV *hv = newHV ();	615	HV *hv = newHV ();
		616	/* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
		617	* chooses to make it a struct.
		618	*/
		619	unsigned long fsid = 0;
		620	memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
474		621
475	rv = sv_2mortal (newRV_noinc ((SV *)hv));	622	rv = sv_2mortal (newRV_noinc ((SV *)hv));
476		623
477	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);	624	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
478	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);	625	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
…		…
480	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);	627	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
481	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);	628	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
482	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);	629	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
483	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);	630	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
484	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);	631	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
485	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);	632	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
486	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);	633	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
487	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);	634	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
488	}	635	}
489	#endif	636	#endif
490		637
…		…
541	SvSETMAGIC (req->sv2);	688	SvSETMAGIC (req->sv2);
542	PUSHs (sv_result);	689	PUSHs (sv_result);
543	}	690	}
544	break;	691	break;
545		692
		693	case EIO_SLURP:
		694	{
		695	if (req->result >= 0)
		696	{
		697	/* if length was originally not known, we steal the malloc'ed memory */
		698	if (req->flags & EIO_FLAG_PTR2_FREE)
		699	{
		700	req->flags &= ~EIO_FLAG_PTR2_FREE;
		701	sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
		702	}
		703	else
		704	SvCUR_set (req->sv2, req->result);
		705	}
		706
		707	PUSHs (sv_result);
		708	}
		709	break;
		710
546	case EIO_CUSTOM:	711	case EIO_CUSTOM:
547	if (req->feed == fiemap)	712	if (req->feed == fiemap)
548	{	713	{
549	#if HAVE_FIEMAP	714	#if HAVE_FIEMAP
550	if (!req->result)	715	if (!req->result)
…		…
655	{	820	{
656	while (eio_nreqs ())	821	while (eio_nreqs ())
657	{	822	{
658	int size;	823	int size;
659		824
660	X_LOCK (reslock);	825	X_LOCK (EIO_POOL->reslock);
661	size = res_queue.size;	826	size = EIO_POOL->res_queue.size;
662	X_UNLOCK (reslock);	827	X_UNLOCK (EIO_POOL->reslock);
663		828
664	if (size)	829	if (size)
665	return;	830	return;
666		831
667	etp_maybe_start_thread ();	832	etp_maybe_start_thread (EIO_POOL);
668		833
669	s_epipe_wait (&respipe);	834	s_epipe_wait (&respipe);
670	}	835	}
671	}	836	}
672		837
…		…
693	create_respipe ();	858	create_respipe ();
694		859
695	if (eio_init (want_poll, done_poll) < 0)	860	if (eio_init (want_poll, done_poll) < 0)
696	croak ("IO::AIO: unable to initialise eio library");	861	croak ("IO::AIO: unable to initialise eio library");
697	}	862	}
698
699	/*****************************************************************************/
700
701	#if !_POSIX_MAPPED_FILES
702	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
703	# define munmap(addr,length) (errno = ENOSYS, -1)
704	#endif
705
706	#if !_POSIX_MEMORY_PROTECTION
707	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
708	# define PROT_NONE 0
709	# define PROT_WRITE 0
710	# define MAP_PRIVATE 0
711	# define MAP_SHARED 0
712	# define MAP_FIXED 0
713	#endif
714
715	#define MMAP_MAGIC PERL_MAGIC_ext
716
717	static int ecb_cold
718	mmap_free (pTHX_ SV *sv, MAGIC *mg)
719	{
720	int old_errno = errno;
721	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
722	errno = old_errno;
723
724	mg->mg_obj = 0; /* just in case */
725
726	SvREADONLY_off (sv);
727
728	if (SvPVX (sv) != mg->mg_ptr)
729	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
730
731	SvCUR_set (sv, 0);
732	SvPVX (sv) = 0;
733	SvOK_off (sv);
734
735	return 0;
736	}
737
738	static MGVTBL mmap_vtbl = {
739	0, 0, 0, 0, mmap_free
740	};
741		863
742	/*****************************************************************************/	864	/*****************************************************************************/
743		865
744	static SV *	866	static SV *
745	get_cb (SV *cb_sv)	867	get_cb (SV *cb_sv)
…		…
857	} *civ, const_iv[] = {	979	} *civ, const_iv[] = {
858	# define const_niv(name, value) { # name, (IV) value },	980	# define const_niv(name, value) { # name, (IV) value },
859	# define const_iv(name) { # name, (IV) name },	981	# define const_iv(name) { # name, (IV) name },
860	# define const_eio(name) { # name, (IV) EIO_ ## name },	982	# define const_eio(name) { # name, (IV) EIO_ ## name },
861		983
862	/* you have to re-run ./gendef0 after adding/Removing any constants here */	984	/* you have to re-run ./gendef0 after adding/removing any constants here */
863		985	/* the first block can be undef if missing */
864	const_iv (ENOSYS)	986	const_iv (ENOSYS)
865	const_iv (EXDEV)	987	const_iv (EXDEV)
866	const_iv (EBADR)	988	const_iv (EBADR)
867		989
		990	/* for lseek */
		991	const_iv (SEEK_DATA)
		992	const_iv (SEEK_HOLE)
		993
		994	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
		995	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		996	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
		997	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		998	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		999	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		1000
		1001	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		1002	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		1003	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		1004	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		1005	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		1006
		1007	/* the second block will be 0 when missing */
868	const_iv (O_RDONLY)	1008	const_iv (O_RDONLY)
869	const_iv (O_WRONLY)	1009	const_iv (O_WRONLY)
870	const_iv (O_RDWR)	1010	const_iv (O_RDWR)
871	const_iv (O_CREAT)	1011	const_iv (O_CREAT)
872	const_iv (O_TRUNC)	1012	const_iv (O_TRUNC)
…		…
885	const_iv (O_SEARCH)	1025	const_iv (O_SEARCH)
886	const_iv (O_DIRECTORY)	1026	const_iv (O_DIRECTORY)
887	const_iv (O_DSYNC)	1027	const_iv (O_DSYNC)
888	const_iv (O_RSYNC)	1028	const_iv (O_RSYNC)
889	const_iv (O_SYNC)	1029	const_iv (O_SYNC)
		1030	const_iv (O_PATH)
		1031	const_iv (O_TMPFILE)
890	const_iv (O_TTY_INIT)	1032	const_iv (O_TTY_INIT)
891		1033
892	const_iv (S_IFIFO)	1034	const_iv (S_IFIFO)
893	const_iv (S_IFCHR)	1035	const_iv (S_IFCHR)
894	const_iv (S_IFBLK)	1036	const_iv (S_IFBLK)
…		…
896	const_iv (S_IFREG)	1038	const_iv (S_IFREG)
897	const_iv (S_IFDIR)	1039	const_iv (S_IFDIR)
898	const_iv (S_IFWHT)	1040	const_iv (S_IFWHT)
899	const_iv (S_IFSOCK)	1041	const_iv (S_IFSOCK)
900	const_iv (S_IFMT)	1042	const_iv (S_IFMT)
901
902	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
903	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
904	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
905	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
906	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
907	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
908
909	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
910	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
911	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
912	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
913	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
914		1043
915	const_iv (ST_RDONLY)	1044	const_iv (ST_RDONLY)
916	const_iv (ST_NOSUID)	1045	const_iv (ST_NOSUID)
917	const_iv (ST_NODEV)	1046	const_iv (ST_NODEV)
918	const_iv (ST_NOEXEC)	1047	const_iv (ST_NOEXEC)
…		…
928	const_iv (PROT_NONE)	1057	const_iv (PROT_NONE)
929	const_iv (PROT_EXEC)	1058	const_iv (PROT_EXEC)
930	const_iv (PROT_READ)	1059	const_iv (PROT_READ)
931	const_iv (PROT_WRITE)	1060	const_iv (PROT_WRITE)
932		1061
933	/*const_iv (MAP_FIXED)*/
934	const_iv (MAP_PRIVATE)	1062	const_iv (MAP_PRIVATE)
935	const_iv (MAP_SHARED)	1063	const_iv (MAP_SHARED)
		1064	const_iv (MAP_FIXED)
936	const_iv (MAP_ANONYMOUS)	1065	const_iv (MAP_ANONYMOUS)
937		1066
938	/* linuxish */	1067	/* linuxish */
939	const_iv (MAP_HUGETLB)
940	const_iv (MAP_LOCKED)	1068	const_iv (MAP_LOCKED)
941	const_iv (MAP_NORESERVE)	1069	const_iv (MAP_NORESERVE)
942	const_iv (MAP_POPULATE)	1070	const_iv (MAP_POPULATE)
943	const_iv (MAP_NONBLOCK)	1071	const_iv (MAP_NONBLOCK)
		1072	const_iv (MAP_GROWSDOWN)
		1073	const_iv (MAP_32BIT)
		1074	const_iv (MAP_HUGETLB)
		1075	const_iv (MAP_STACK)
		1076
		1077	const_iv (F_DUPFD_CLOEXEC)
		1078
		1079	const_iv (F_OFD_GETLK)
		1080	const_iv (F_OFD_SETLK)
		1081	const_iv (F_OFD_GETLKW)
		1082
		1083	const_iv (FIFREEZE)
		1084	const_iv (FITHAW)
		1085	const_iv (FITRIM)
		1086	const_iv (FICLONE)
		1087	const_iv (FICLONERANGE)
		1088	const_iv (FIDEDUPERANGE)
		1089
		1090	const_iv (FS_IOC_GETFLAGS)
		1091	const_iv (FS_IOC_SETFLAGS)
		1092	const_iv (FS_IOC_GETVERSION)
		1093	const_iv (FS_IOC_SETVERSION)
		1094	const_iv (FS_IOC_FIEMAP)
		1095	const_iv (FS_IOC_FSGETXATTR)
		1096	const_iv (FS_IOC_FSSETXATTR)
		1097	const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
		1098	const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
		1099	const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
		1100
		1101	const_iv (FS_KEY_DESCRIPTOR_SIZE)
		1102
		1103	const_iv (FS_SECRM_FL)
		1104	const_iv (FS_UNRM_FL)
		1105	const_iv (FS_COMPR_FL)
		1106	const_iv (FS_SYNC_FL)
		1107	const_iv (FS_IMMUTABLE_FL)
		1108	const_iv (FS_APPEND_FL)
		1109	const_iv (FS_NODUMP_FL)
		1110	const_iv (FS_NOATIME_FL)
		1111	const_iv (FS_DIRTY_FL)
		1112	const_iv (FS_COMPRBLK_FL)
		1113	const_iv (FS_NOCOMP_FL)
		1114	const_iv (FS_ENCRYPT_FL)
		1115	const_iv (FS_BTREE_FL)
		1116	const_iv (FS_INDEX_FL)
		1117	const_iv (FS_JOURNAL_DATA_FL)
		1118	const_iv (FS_NOTAIL_FL)
		1119	const_iv (FS_DIRSYNC_FL)
		1120	const_iv (FS_TOPDIR_FL)
		1121	const_iv (FS_FL_USER_MODIFIABLE)
		1122
		1123	const_iv (FS_XFLAG_REALTIME)
		1124	const_iv (FS_XFLAG_PREALLOC)
		1125	const_iv (FS_XFLAG_IMMUTABLE)
		1126	const_iv (FS_XFLAG_APPEND)
		1127	const_iv (FS_XFLAG_SYNC)
		1128	const_iv (FS_XFLAG_NOATIME)
		1129	const_iv (FS_XFLAG_NODUMP)
		1130	const_iv (FS_XFLAG_RTINHERIT)
		1131	const_iv (FS_XFLAG_PROJINHERIT)
		1132	const_iv (FS_XFLAG_NOSYMLINKS)
		1133	const_iv (FS_XFLAG_EXTSIZE)
		1134	const_iv (FS_XFLAG_EXTSZINHERIT)
		1135	const_iv (FS_XFLAG_NODEFRAG)
		1136	const_iv (FS_XFLAG_FILESTREAM)
		1137	const_iv (FS_XFLAG_DAX)
		1138	const_iv (FS_XFLAG_HASATTR)
944		1139
945	const_iv (FIEMAP_FLAG_SYNC)	1140	const_iv (FIEMAP_FLAG_SYNC)
946	const_iv (FIEMAP_FLAG_XATTR)	1141	const_iv (FIEMAP_FLAG_XATTR)
947	const_iv (FIEMAP_FLAGS_COMPAT)	1142	const_iv (FIEMAP_FLAGS_COMPAT)
948	const_iv (FIEMAP_EXTENT_LAST)	1143	const_iv (FIEMAP_EXTENT_LAST)
…		…
955	const_iv (FIEMAP_EXTENT_DATA_TAIL)	1150	const_iv (FIEMAP_EXTENT_DATA_TAIL)
956	const_iv (FIEMAP_EXTENT_UNWRITTEN)	1151	const_iv (FIEMAP_EXTENT_UNWRITTEN)
957	const_iv (FIEMAP_EXTENT_MERGED)	1152	const_iv (FIEMAP_EXTENT_MERGED)
958	const_iv (FIEMAP_EXTENT_SHARED)	1153	const_iv (FIEMAP_EXTENT_SHARED)
959		1154
		1155	const_iv (SPLICE_F_MOVE)
		1156	const_iv (SPLICE_F_NONBLOCK)
		1157	const_iv (SPLICE_F_MORE)
		1158	const_iv (SPLICE_F_GIFT)
		1159
		1160	/* these are libeio constants, and are independent of gendef0 */
960	const_eio (SEEK_SET)	1161	const_eio (SEEK_SET)
961	const_eio (SEEK_CUR)	1162	const_eio (SEEK_CUR)
962	const_eio (SEEK_END)	1163	const_eio (SEEK_END)
963		1164
964	const_eio (MCL_FUTURE)	1165	const_eio (MCL_FUTURE)
…		…
973	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1174	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
974	const_eio (SYNC_FILE_RANGE_WRITE)	1175	const_eio (SYNC_FILE_RANGE_WRITE)
975	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1176	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
976		1177
977	const_eio (FALLOC_FL_KEEP_SIZE)	1178	const_eio (FALLOC_FL_KEEP_SIZE)
		1179	const_eio (FALLOC_FL_PUNCH_HOLE)
		1180	const_eio (FALLOC_FL_COLLAPSE_RANGE)
		1181	const_eio (FALLOC_FL_ZERO_RANGE)
		1182	const_eio (FALLOC_FL_INSERT_RANGE)
		1183	const_eio (FALLOC_FL_UNSHARE_RANGE)
		1184
		1185	const_eio (RENAME_NOREPLACE)
		1186	const_eio (RENAME_EXCHANGE)
		1187	const_eio (RENAME_WHITEOUT)
978		1188
979	const_eio (READDIR_DENTS)	1189	const_eio (READDIR_DENTS)
980	const_eio (READDIR_DIRS_FIRST)	1190	const_eio (READDIR_DIRS_FIRST)
981	const_eio (READDIR_STAT_ORDER)	1191	const_eio (READDIR_STAT_ORDER)
982	const_eio (READDIR_FOUND_UNKNOWN)	1192	const_eio (READDIR_FOUND_UNKNOWN)
…		…
1050	PROTOTYPE: $	1260	PROTOTYPE: $
1051	CODE:	1261	CODE:
1052	max_outstanding = maxreqs;	1262	max_outstanding = maxreqs;
1053		1263
1054	void	1264	void
1055	aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)	1265	aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
1056	PPCODE:	1266	PPCODE:
1057	{	1267	{
1058	dREQ;	1268	dREQ;
1059		1269
1060	req->type = EIO_WD_OPEN;	1270	req->type = EIO_WD_OPEN;
…		…
1062		1272
1063	REQ_SEND;	1273	REQ_SEND;
1064	}	1274	}
1065		1275
1066	void	1276	void
1067	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1277	aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1068	PPCODE:	1278	PPCODE:
1069	{	1279	{
1070	dREQ;	1280	dREQ;
1071		1281
1072	req->type = EIO_OPEN;	1282	req->type = EIO_OPEN;
…		…
1076		1286
1077	REQ_SEND;	1287	REQ_SEND;
1078	}	1288	}
1079		1289
1080	void	1290	void
1081	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1291	aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
1082	ALIAS:	1292	ALIAS:
1083	aio_fsync = EIO_FSYNC	1293	aio_fsync = EIO_FSYNC
1084	aio_fdatasync = EIO_FDATASYNC	1294	aio_fdatasync = EIO_FDATASYNC
1085	aio_syncfs = EIO_SYNCFS	1295	aio_syncfs = EIO_SYNCFS
1086	PPCODE:	1296	PPCODE:
1087	{	1297	{
1088	int fd = s_fileno_croak (fh, 0);	1298	int fd = s_fileno_croak (fh, 0);
1089	dREQ;	1299	dREQ;
1090		1300
1091	req->type = ix;	1301	req->type = ix;
1092	req->sv1 = newSVsv (fh);	1302	req->sv1 = newSVsv (fh);
1093	req->int1 = fd;	1303	req->int1 = fd;
1094		1304
1095	REQ_SEND;	1305	REQ_SEND;
1096	}	1306	}
1097		1307
1098	void	1308	void
1099	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1309	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
1100	PPCODE:	1310	PPCODE:
1101	{	1311	{
1102	int fd = s_fileno_croak (fh, 0);	1312	int fd = s_fileno_croak (fh, 0);
1103	dREQ;	1313	dREQ;
1104		1314
1105	req->type = EIO_SYNC_FILE_RANGE;	1315	req->type = EIO_SYNC_FILE_RANGE;
1106	req->sv1 = newSVsv (fh);	1316	req->sv1 = newSVsv (fh);
1107	req->int1 = fd;	1317	req->int1 = fd;
…		…
1111		1321
1112	REQ_SEND;	1322	REQ_SEND;
1113	}	1323	}
1114		1324
1115	void	1325	void
1116	aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)	1326	aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
1117	PPCODE:	1327	PPCODE:
1118	{	1328	{
1119	int fd = s_fileno_croak (fh, 0);	1329	int fd = s_fileno_croak (fh, 0);
1120	dREQ;	1330	dREQ;
1121		1331
1122	req->type = EIO_FALLOCATE;	1332	req->type = EIO_FALLOCATE;
1123	req->sv1 = newSVsv (fh);	1333	req->sv1 = newSVsv (fh);
1124	req->int1 = fd;	1334	req->int1 = fd;
…		…
1128		1338
1129	REQ_SEND;	1339	REQ_SEND;
1130	}	1340	}
1131		1341
1132	void	1342	void
1133	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1343	aio_close (SV *fh, SV *callback = &PL_sv_undef)
1134	PPCODE:	1344	PPCODE:
1135	{	1345	{
1136	static int close_fd = -1; /* dummy fd to close fds via dup2 */	1346	static int close_fd = -1; /* dummy fd to close fds via dup2 */
1137	int fd = s_fileno_croak (fh, 0);	1347	int fd = s_fileno_croak (fh, 0);
1138	dREQ;	1348	dREQ;
1139		1349
1140	if (expect_false (close_fd < 0))	1350	if (expect_false (close_fd < 0))
1141	{	1351	{
1142	int pipefd [2];	1352	int pipefd [2];
…		…
1162		1372
1163	REQ_SEND;	1373	REQ_SEND;
1164	}	1374	}
1165		1375
1166	void	1376	void
1167	aio_seek (SV *fh, SV *offset, int whence, SV *callback=&PL_sv_undef)	1377	aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1168	PPCODE:	1378	PPCODE:
1169	{	1379	{
1170	int fd = s_fileno_croak (fh, 0);	1380	int fd = s_fileno_croak (fh, 0);
1171	dREQ;	1381	dREQ;
1172		1382
…		…
1178		1388
1179	REQ_SEND;	1389	REQ_SEND;
1180	}	1390	}
1181		1391
1182	void	1392	void
1183	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1393	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
1184	ALIAS:	1394	ALIAS:
1185	aio_read = EIO_READ	1395	aio_read = EIO_READ
1186	aio_write = EIO_WRITE	1396	aio_write = EIO_WRITE
1187	PPCODE:	1397	PPCODE:
1188	{	1398	{
…		…
1204	len = svlen - dataoffset;	1414	len = svlen - dataoffset;
1205	}	1415	}
1206	else	1416	else
1207	{	1417	{
1208	/* read: check type and grow scalar as necessary */	1418	/* read: check type and grow scalar as necessary */
1209	SvUPGRADE (data, SVt_PV);	1419	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1210	svptr = SvGROW (data, len + dataoffset + 1);	1420	svptr = sv_grow (data, len + dataoffset);
		1421	else if (SvCUR (data) < len + dataoffset)
		1422	croak ("length + dataoffset outside of scalar, and cannot grow");
1211	}	1423	}
1212		1424
1213	{	1425	{
1214	dREQ;	1426	dREQ;
1215		1427
…		…
1231	REQ_SEND;	1443	REQ_SEND;
1232	}	1444	}
1233	}	1445	}
1234		1446
1235	void	1447	void
		1448	aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
		1449	ALIAS:
		1450	aio_ioctl = EIO_IOCTL
		1451	aio_fcntl = EIO_FCNTL
		1452	PPCODE:
		1453	{
		1454	int fd = s_fileno_croak (fh, 0);
		1455	char *svptr;
		1456
		1457	if (SvPOK (arg) || !SvNIOK (arg))
		1458	{
		1459	STRLEN svlen;
		1460	/* perl uses IOCPARM_LEN for fcntl, so we do, too */
		1461	#ifdef IOCPARM_LEN
		1462	STRLEN need = IOCPARM_LEN (request);
		1463	#else
		1464	STRLEN need = 256;
		1465	#endif
		1466
		1467	if (svlen < need)
		1468	svptr = SvGROW (arg, need);
		1469	}
		1470	else
		1471	svptr = (char *)SvIV (arg);
		1472
		1473	{
		1474	dREQ;
		1475
		1476	req->type = ix;
		1477	req->sv1 = newSVsv (fh);
		1478	req->int1 = fd;
		1479	req->int2 = (long)request;
		1480	req->sv2 = SvREFCNT_inc (arg);
		1481	req->ptr2 = svptr;
		1482
		1483	REQ_SEND;
		1484	}
		1485	}
		1486
		1487	void
1236	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1488	aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1237	ALIAS:	1489	ALIAS:
1238	aio_readlink = EIO_READLINK	1490	aio_readlink = EIO_READLINK
1239	aio_realpath = EIO_REALPATH	1491	aio_realpath = EIO_REALPATH
1240	PPCODE:	1492	PPCODE:
1241	{	1493	{
…		…
1246		1498
1247	REQ_SEND;	1499	REQ_SEND;
1248	}	1500	}
1249		1501
1250	void	1502	void
1251	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1503	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1252	PPCODE:	1504	PPCODE:
1253	{	1505	{
1254	int ifd = s_fileno_croak (in_fh , 0);	1506	int ifd = s_fileno_croak (in_fh , 0);
1255	int ofd = s_fileno_croak (out_fh, 1);	1507	int ofd = s_fileno_croak (out_fh, 1);
1256	dREQ;	1508	dREQ;
1257		1509
1258	req->type = EIO_SENDFILE;	1510	req->type = EIO_SENDFILE;
1259	req->sv1 = newSVsv (out_fh);	1511	req->sv1 = newSVsv (out_fh);
1260	req->int1 = ofd;	1512	req->int1 = ofd;
…		…
1265		1517
1266	REQ_SEND;	1518	REQ_SEND;
1267	}	1519	}
1268		1520
1269	void	1521	void
1270	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1522	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1271	PPCODE:	1523	PPCODE:
1272	{	1524	{
1273	int fd = s_fileno_croak (fh, 0);	1525	int fd = s_fileno_croak (fh, 0);
1274	dREQ;	1526	dREQ;
1275		1527
1276	req->type = EIO_READAHEAD;	1528	req->type = EIO_READAHEAD;
1277	req->sv1 = newSVsv (fh);	1529	req->sv1 = newSVsv (fh);
1278	req->int1 = fd;	1530	req->int1 = fd;
…		…
1281		1533
1282	REQ_SEND;	1534	REQ_SEND;
1283	}	1535	}
1284		1536
1285	void	1537	void
1286	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1538	aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1287	ALIAS:	1539	ALIAS:
1288	aio_stat = EIO_STAT	1540	aio_stat = EIO_STAT
1289	aio_lstat = EIO_LSTAT	1541	aio_lstat = EIO_LSTAT
1290	aio_statvfs = EIO_STATVFS	1542	aio_statvfs = EIO_STATVFS
1291	PPCODE:	1543	PPCODE:
…		…
1300	UV	1552	UV
1301	major (UV dev)	1553	major (UV dev)
1302	ALIAS:	1554	ALIAS:
1303	minor = 1	1555	minor = 1
1304	CODE:	1556	CODE:
1305	RETVAL = ix ? major (dev) : minor (dev);	1557	RETVAL = ix ? minor (dev) : major (dev);
1306	OUTPUT:	1558	OUTPUT:
1307	RETVAL	1559	RETVAL
1308		1560
1309	UV	1561	UV
1310	makedev (UV maj, UV min)	1562	makedev (UV maj, UV min)
…		…
1312	RETVAL = makedev (maj, min);	1564	RETVAL = makedev (maj, min);
1313	OUTPUT:	1565	OUTPUT:
1314	RETVAL	1566	RETVAL
1315		1567
1316	void	1568	void
1317	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1569	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1318	PPCODE:	1570	PPCODE:
1319	{	1571	{
1320	dREQ;	1572	dREQ;
1321		1573
1322	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1574	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
…		…
1325		1577
1326	REQ_SEND;	1578	REQ_SEND;
1327	}	1579	}
1328		1580
1329	void	1581	void
1330	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1582	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1331	PPCODE:	1583	PPCODE:
1332	{	1584	{
1333	dREQ;	1585	dREQ;
1334		1586
1335	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1587	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
…		…
1337		1589
1338	REQ_SEND;	1590	REQ_SEND;
1339	}	1591	}
1340		1592
1341	void	1593	void
1342	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1594	aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1343	PPCODE:	1595	PPCODE:
1344	{	1596	{
1345	dREQ;	1597	dREQ;
1346		1598
1347	req->int2 = mode;	1599	req->int2 = mode;
…		…
1349		1601
1350	REQ_SEND;	1602	REQ_SEND;
1351	}	1603	}
1352		1604
1353	void	1605	void
1354	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef)	1606	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1355	PPCODE:	1607	PPCODE:
1356	{	1608	{
1357	dREQ;	1609	dREQ;
1358		1610
1359	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1611	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
…		…
1362		1614
1363	REQ_SEND;	1615	REQ_SEND;
1364	}	1616	}
1365		1617
1366	void	1618	void
1367	aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)	1619	aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1368	PPCODE:	1620	PPCODE:
1369	{	1621	{
1370	dREQ;	1622	dREQ;
1371		1623
1372	req->type = EIO_READDIR;	1624	req->type = EIO_READDIR;
…		…
1379		1631
1380	REQ_SEND;	1632	REQ_SEND;
1381	}	1633	}
1382		1634
1383	void	1635	void
1384	aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef)	1636	aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1385	PPCODE:	1637	PPCODE:
1386	{	1638	{
1387	dREQ;	1639	dREQ;
1388		1640
1389	req->type = EIO_MKDIR;	1641	req->type = EIO_MKDIR;
…		…
1392		1644
1393	REQ_SEND;	1645	REQ_SEND;
1394	}	1646	}
1395		1647
1396	void	1648	void
1397	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1649	aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1398	ALIAS:	1650	ALIAS:
1399	aio_unlink = EIO_UNLINK	1651	aio_unlink = EIO_UNLINK
1400	aio_rmdir = EIO_RMDIR	1652	aio_rmdir = EIO_RMDIR
1401	aio_readdir = EIO_READDIR	1653	aio_readdir = EIO_READDIR
1402	PPCODE:	1654	PPCODE:
…		…
1408		1660
1409	REQ_SEND;	1661	REQ_SEND;
1410	}	1662	}
1411		1663
1412	void	1664	void
1413	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef)	1665	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1414	ALIAS:	1666	ALIAS:
1415	aio_link = EIO_LINK	1667	aio_link = EIO_LINK
1416	aio_symlink = EIO_SYMLINK	1668	aio_symlink = EIO_SYMLINK
1417	aio_rename = EIO_RENAME	1669	aio_rename = EIO_RENAME
1418	PPCODE:	1670	PPCODE:
…		…
1427		1679
1428	REQ_SEND;	1680	REQ_SEND;
1429	}	1681	}
1430		1682
1431	void	1683	void
		1684	aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
		1685	PPCODE:
		1686	{
		1687	eio_wd wd2 = 0;
		1688	dREQ;
		1689
		1690	req->type = EIO_RENAME;
		1691	req_set_path1 (req, oldpath);
		1692	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
		1693	req->int2 = flags;
		1694	req->int3 = (long)wd2;
		1695
		1696	REQ_SEND;
		1697	}
		1698
		1699	void
1432	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef)	1700	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1433	PPCODE:	1701	PPCODE:
1434	{	1702	{
1435	dREQ;	1703	dREQ;
1436		1704
1437	req->type = EIO_MKNOD;	1705	req->type = EIO_MKNOD;
…		…
1441		1709
1442	REQ_SEND;	1710	REQ_SEND;
1443	}	1711	}
1444		1712
1445	void	1713	void
1446	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1714	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1447	ALIAS:	1715	ALIAS:
1448	aio_mtouch = EIO_MTOUCH	1716	aio_mtouch = EIO_MTOUCH
1449	aio_msync = EIO_MSYNC	1717	aio_msync = EIO_MSYNC
1450	PPCODE:	1718	PPCODE:
1451	{	1719	{
1452	STRLEN svlen;	1720	STRLEN svlen;
1453	char *svptr = SvPVbyte (data, svlen);	1721	char *svptr = SvPVbyte (data, svlen);
1454	UV len = SvUV (length);	1722	UV len = SvUV (length);
		1723
		1724	if (flags < 0)
		1725	flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1455		1726
1456	if (offset < 0)	1727	if (offset < 0)
1457	offset += svlen;	1728	offset += svlen;
1458		1729
1459	if (offset < 0 || offset > svlen)	1730	if (offset < 0 || offset > svlen)
…		…
1474	REQ_SEND;	1745	REQ_SEND;
1475	}	1746	}
1476	}	1747	}
1477		1748
1478	void	1749	void
1479	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)	1750	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1480	PPCODE:	1751	PPCODE:
1481	{	1752	{
1482	STRLEN svlen;	1753	STRLEN svlen;
1483	char *svptr = SvPVbyte (data, svlen);	1754	char *svptr = SvPVbyte (data, svlen);
1484	UV len = SvUV (length);	1755	UV len = SvUV (length);
…		…
1503	REQ_SEND;	1774	REQ_SEND;
1504	}	1775	}
1505	}	1776	}
1506		1777
1507	void	1778	void
1508	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)	1779	aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1509	PPCODE:	1780	PPCODE:
1510	{	1781	{
1511	dREQ;	1782	dREQ;
1512		1783
1513	req->type = EIO_MLOCKALL;	1784	req->type = EIO_MLOCKALL;
…		…
1515		1786
1516	REQ_SEND;	1787	REQ_SEND;
1517	}	1788	}
1518		1789
1519	void	1790	void
1520	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback=&PL_sv_undef)	1791	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
1521	PPCODE:	1792	PPCODE:
1522	{	1793	{
1523	int fd = s_fileno_croak (fh, 0);	1794	int fd = s_fileno_croak (fh, 0);
1524	dREQ;	1795	dREQ;
1525		1796
1526	req->type = EIO_CUSTOM;	1797	req->type = EIO_CUSTOM;
1527	req->sv1 = newSVsv (fh);	1798	req->sv1 = newSVsv (fh);
1528	req->int1 = fd;	1799	req->int1 = fd;
…		…
1538		1809
1539	REQ_SEND;	1810	REQ_SEND;
1540	}	1811	}
1541		1812
1542	void	1813	void
		1814	aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
		1815	PPCODE:
		1816	{
		1817	char *svptr = 0;
		1818
		1819	sv_clear_foreign (data);
		1820
		1821	if (length) /* known length, directly read into scalar */
		1822	{
		1823	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
		1824	svptr = sv_grow (data, length);
		1825	else if (SvCUR (data) < length)
		1826	croak ("length outside of scalar, and cannot grow");
		1827	else
		1828	svptr = SvPVbyte_nolen (data);
		1829	}
		1830
		1831	{
		1832	dREQ;
		1833
		1834	req->type = EIO_SLURP;
		1835	req_set_path1 (req, pathname);
		1836	req->offs = offset;
		1837	req->size = length;
		1838	req->sv2 = SvREFCNT_inc (data);
		1839	req->ptr2 = svptr;
		1840
		1841	if (!SvREADONLY (data))
		1842	{
		1843	SvREADONLY_on (data);
		1844	req->flags |= FLAG_SV2_RO_OFF;
		1845	}
		1846
		1847	REQ_SEND;
		1848	}
		1849	}
		1850
		1851	void
1543	aio_busy (double delay, SV *callback=&PL_sv_undef)	1852	aio_busy (double delay, SV *callback = &PL_sv_undef)
1544	PPCODE:	1853	PPCODE:
1545	{	1854	{
1546	dREQ;	1855	dREQ;
1547		1856
1548	req->type = EIO_BUSY;	1857	req->type = EIO_BUSY;
…		…
1550		1859
1551	REQ_SEND;	1860	REQ_SEND;
1552	}	1861	}
1553		1862
1554	void	1863	void
1555	aio_group (SV *callback=&PL_sv_undef)	1864	aio_group (SV *callback = &PL_sv_undef)
1556	PPCODE:	1865	PPCODE:
1557	{	1866	{
1558	dREQ;	1867	dREQ;
1559		1868
1560	req->type = EIO_GROUP;	1869	req->type = EIO_GROUP;
1561		1870
		1871	PUTBACK;
1562	req_submit (req);	1872	req_submit (req);
		1873	SPAGAIN;
		1874
1563	XPUSHs (req_sv (req, aio_grp_stash));	1875	XPUSHs (req_sv (req, aio_grp_stash));
1564	}	1876	}
1565		1877
1566	void	1878	void
1567	aio_nop (SV *callback=&PL_sv_undef)	1879	aio_nop (SV *callback = &PL_sv_undef)
1568	ALIAS:	1880	ALIAS:
1569	aio_nop = EIO_NOP	1881	aio_nop = EIO_NOP
1570	aio_sync = EIO_SYNC	1882	aio_sync = EIO_SYNC
1571	PPCODE:	1883	PPCODE:
1572	{	1884	{
…		…
1576		1888
1577	REQ_SEND;	1889	REQ_SEND;
1578	}	1890	}
1579		1891
1580	int	1892	int
1581	aioreq_pri (int pri = 0)	1893	aioreq_pri (int pri = NO_INIT)
1582	CODE:	1894	CODE:
1583	RETVAL = next_pri;	1895	RETVAL = next_pri;
1584	if (items > 0)	1896	if (items > 0)
1585	{	1897	{
1586	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1898	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1676	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1988	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1677	OUTPUT:	1989	OUTPUT:
1678	RETVAL	1990	RETVAL
1679		1991
1680	void	1992	void
1681	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)	1993	mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1682	PPCODE:	1994	PPCODE:
1683	sv_unmagic (scalar, MMAP_MAGIC);	1995	sv_clear_foreign (scalar);
1684	{	1996	{
1685	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	1997	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1686	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	1998	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1687	if (addr == (void *)-1)	1999	if (addr == (void *)-1)
1688	XSRETURN_NO;	2000	XSRETURN_NO;
1689		2001
1690	sv_force_normal (scalar);	2002	sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1691
1692	/* we store the length in mg_obj, as namlen is I32 :/ */
1693	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1694	->mg_obj = (SV *)length;
1695
1696	SvUPGRADE (scalar, SVt_PV); /* nop... */
1697		2003
1698	if (!(prot & PROT_WRITE))	2004	if (!(prot & PROT_WRITE))
1699	SvREADONLY_on (scalar);	2005	SvREADONLY_on (scalar);
1700		2006
1701	if (SvLEN (scalar))
1702	Safefree (SvPVX (scalar));
1703
1704	SvPVX (scalar) = (char *)addr;
1705	SvCUR_set (scalar, length);
1706	SvLEN_set (scalar, 0);
1707	SvPOK_only (scalar);
1708
1709	XSRETURN_YES;	2007	XSRETURN_YES;
1710	}	2008	}
1711		2009
1712	void	2010	void
1713	munmap (SV *scalar)	2011	munmap (SV *scalar)
1714	CODE:	2012	CODE:
1715	sv_unmagic (scalar, MMAP_MAGIC);	2013	sv_clear_foreign (scalar);
1716		2014
1717	int	2015	int
1718	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)	2016	madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1719	ALIAS:	2017	ALIAS:
1720	mprotect = 1	2018	mprotect = 1
1721	CODE:	2019	CODE:
1722	{	2020	{
1723	STRLEN svlen;	2021	STRLEN svlen;
1724	void *addr = SvPVbyte (scalar, svlen);	2022	void *addr = SvPVbyte (scalar, svlen);
1725	size_t len = SvUV (length);	2023	STRLEN len = SvUV (length);
1726		2024
1727	if (offset < 0)	2025	if (offset < 0)
1728	offset += svlen;	2026	offset += svlen;
1729		2027
1730	if (offset < 0 || offset > svlen)	2028	if (offset < 0 || offset > svlen)
…		…
1744	}	2042	}
1745	OUTPUT:	2043	OUTPUT:
1746	RETVAL	2044	RETVAL
1747		2045
1748	int	2046	int
1749	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)	2047	munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
1750	CODE:	2048	CODE:
1751	{	2049	{
1752	STRLEN svlen;	2050	STRLEN svlen;
1753	void *addr = SvPVbyte (scalar, svlen);	2051	void *addr = SvPVbyte (scalar, svlen);
1754	size_t len = SvUV (length);	2052	size_t len = SvUV (length);
1755		2053
1756	if (offset < 0)	2054	if (offset < 0)
1757	offset += svlen;	2055	offset += svlen;
1758		2056
…		…
1765	addr = (void *)(((intptr_t)addr) + offset);	2063	addr = (void *)(((intptr_t)addr) + offset);
1766	eio_page_align (&addr, &len);	2064	eio_page_align (&addr, &len);
1767	#if _POSIX_MEMLOCK_RANGE	2065	#if _POSIX_MEMLOCK_RANGE
1768	RETVAL = munlock (addr, len);	2066	RETVAL = munlock (addr, len);
1769	#else	2067	#else
1770	RETVAL = ((errno = ENOSYS), -1);	2068	RETVAL = EIO_ENOSYS ();
1771	#endif	2069	#endif
1772	}	2070	}
1773	OUTPUT:	2071	OUTPUT:
1774	RETVAL	2072	RETVAL
1775		2073
…		…
1777	munlockall ()	2075	munlockall ()
1778	CODE:	2076	CODE:
1779	#if _POSIX_MEMLOCK	2077	#if _POSIX_MEMLOCK
1780	munlockall ();	2078	munlockall ();
1781	#else	2079	#else
1782	RETVAL = -1;	2080	RETVAL = EIO_ENOSYS ();
1783	errno = ENOSYS;
1784	#endif	2081	#endif
1785	OUTPUT:	2082	OUTPUT:
1786	RETVAL	2083	RETVAL
		2084
		2085	int
		2086	splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
		2087	CODE:
		2088	{
		2089	#if HAVE_LINUX_SPLICE
		2090	loff_t off_in_, off_out_;
		2091	RETVAL = splice (
		2092	rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
		2093	wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
		2094	length, flags
		2095	);
		2096	#else
		2097	RETVAL = EIO_ENOSYS ();
		2098	#endif
		2099	}
		2100	OUTPUT:
		2101	RETVAL
		2102
		2103	int
		2104	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
		2105	CODE:
		2106	#if HAVE_LINUX_SPLICE
		2107	RETVAL = tee (rfh, wfh, length, flags);
		2108	#else
		2109	RETVAL = EIO_ENOSYS ();
		2110	#endif
		2111	OUTPUT:
		2112	RETVAL
		2113
		2114	int
		2115	pipesize (aio_rfd rfh, int new_size = -1)
		2116	PROTOTYPE: $;$
		2117	CODE:
		2118	#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
		2119	if (new_size >= 0)
		2120	RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
		2121	else
		2122	RETVAL = fcntl (rfh, F_GETPIPE_SZ);
		2123	#else
		2124	errno = ENOSYS;
		2125	RETVAL = -1;
		2126	#endif
		2127	OUTPUT:
		2128	RETVAL
		2129
		2130	void
		2131	pipe2 (int flags = 0)
		2132	PROTOTYPE: ;$
		2133	PPCODE:
		2134	{
		2135	int fd[2];
		2136	int res;
		2137
		2138	if (flags)
		2139	#if HAVE_PIPE2
		2140	res = pipe2 (fd, flags);
		2141	#else
		2142	res = (errno = ENOSYS, -1);
		2143	#endif
		2144	else
		2145	res = pipe (fd);
		2146
		2147	if (!res)
		2148	{
		2149	EXTEND (SP, 2);
		2150	PUSHs (newmortalFH (fd[0], O_RDONLY));
		2151	PUSHs (newmortalFH (fd[1], O_WRONLY));
		2152	}
		2153	}
		2154
		2155	UV
		2156	get_fdlimit ()
		2157	CODE:
		2158	#if HAVE_RLIMITS
		2159	struct rlimit rl;
		2160	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2161	XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
		2162	#endif
		2163	XSRETURN_UNDEF;
		2164	OUTPUT:
		2165	RETVAL
		2166
		2167	void
		2168	min_fdlimit (UV limit = 0x7fffffffU)
		2169	CODE:
		2170	{
		2171	#if HAVE_RLIMITS
		2172	struct rlimit rl;
		2173	rlim_t orig_rlim_max;
		2174	UV bit;
		2175
		2176	if (0 != getrlimit (RLIMIT_NOFILE, &rl))
		2177	goto fail;
		2178
		2179	if (rl.rlim_cur == RLIM_INFINITY)
		2180	XSRETURN_YES;
		2181
		2182	orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
		2183
		2184	if (rl.rlim_cur < limit)
		2185	{
		2186	rl.rlim_cur = limit;
		2187
		2188	if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
		2189	rl.rlim_max = rl.rlim_cur;
		2190	}
		2191
		2192	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2193	XSRETURN_YES;
		2194
		2195	if (errno == EPERM)
		2196	{
		2197	/* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
		2198	/* our limit overflows a system-wide limit */
		2199	/* try an adaptive algorithm, but do not lower the hardlimit */
		2200	rl.rlim_max = 0;
		2201	for (bit = 0x40000000U; bit; bit >>= 1)
		2202	{
		2203	rl.rlim_max |= bit;
		2204	rl.rlim_cur = rl.rlim_max;
		2205
		2206	/* nevr decrease the hard limit */
		2207	if (rl.rlim_max < orig_rlim_max)
		2208	break;
		2209
		2210	if (0 != setrlimit (RLIMIT_NOFILE, &rl))
		2211	rl.rlim_max &= ~bit; /* too high, remove bit again */
		2212	}
		2213
		2214	/* now, raise the soft limit to the max permitted */
		2215	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2216	{
		2217	rl.rlim_cur = rl.rlim_max;
		2218	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2219	errno = EPERM;
		2220	}
		2221	}
		2222	#endif
		2223	fail:
		2224	XSRETURN_UNDEF;
		2225	}
1787		2226
1788	void _on_next_submit (SV *cb)	2227	void _on_next_submit (SV *cb)
1789	CODE:	2228	CODE:
1790	SvREFCNT_dec (on_next_submit);	2229	SvREFCNT_dec (on_next_submit);
1791	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	2230	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
…		…
1826	cancel (aio_req_ornot req)	2265	cancel (aio_req_ornot req)
1827	CODE:	2266	CODE:
1828	eio_cancel (req);	2267	eio_cancel (req);
1829		2268
1830	void	2269	void
1831	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	2270	cb (aio_req_ornot req, SV *callback = NO_INIT)
1832	PPCODE:	2271	PPCODE:
1833	{	2272	{
1834	if (GIMME_V != G_VOID)	2273	if (GIMME_V != G_VOID)
1835	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	2274	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1836		2275
1837	if (items > 1)	2276	if (items > 1)
1838	{	2277	{
1839	SV *cb_cv =get_cb (callback);	2278	SV *cb_cv = get_cb (callback);
1840		2279
1841	SvREFCNT_dec (req->callback);	2280	SvREFCNT_dec (req->callback);
1842	req->callback = SvREFCNT_inc (cb_cv);	2281	req->callback = SvREFCNT_inc (cb_cv);
1843	}	2282	}
1844	}	2283	}
…		…
1901	limit (aio_req grp, int limit)	2340	limit (aio_req grp, int limit)
1902	CODE:	2341	CODE:
1903	eio_grp_limit (grp, limit);	2342	eio_grp_limit (grp, limit);
1904		2343
1905	void	2344	void
1906	feed (aio_req grp, SV *callback=&PL_sv_undef)	2345	feed (aio_req grp, SV *callback = &PL_sv_undef)
1907	CODE:	2346	CODE:
1908	{	2347	{
1909	SvREFCNT_dec (grp->sv2);	2348	SvREFCNT_dec (grp->sv2);
1910	grp->sv2 = newSVsv (callback);	2349	grp->sv2 = newSVsv (callback);
1911	grp->feed = aio_grp_feed;	2350	grp->feed = aio_grp_feed;

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