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/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.222 by root, Fri Aug 24 15:33:40 2012 UTC vs.
Revision 1.260 by root, Tue Jul 24 04:58:59 2018 UTC

…		…
4		4
5	#include "EXTERN.h"	5	#include "EXTERN.h"
6	#include "perl.h"	6	#include "perl.h"
7	#include "XSUB.h"	7	#include "XSUB.h"
8		8
9	#include "schmorp.h"	9	#if !defined mg_findext
		10	# define mg_findext(sv,type,vtbl) mg_find (sv, type)
		11	#endif
10		12
11	#include <stddef.h>	13	#include <stddef.h>
12	#include <stdlib.h>	14	#include <stdlib.h>
13	#include <errno.h>	15	#include <errno.h>
14	#include <sys/types.h>	16	#include <sys/types.h>
…		…
19		21
20	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES	22	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
21	# include <sys/mman.h>	23	# include <sys/mman.h>
22	#endif	24	#endif
23		25
24	#if __linux__	26	/* the incompetent fool that created musl keeps __linux__, refuses
		27	* to implement any linux standard apis, and also has no way to test
		28	* for his broken iplementation. don't complain to me if this fails
		29	* for you.
		30	*/
		31	#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
25	# include <linux/fs.h>	32	# include <linux/fs.h>
26	# ifdef FS_IOC_FIEMAP	33	# ifdef FS_IOC_FIEMAP
27	# include <linux/types.h>	34	# include <linux/types.h>
28	# include <linux/fiemap.h>	35	# include <linux/fiemap.h>
29	# define HAVE_FIEMAP 1	36	# define HAVE_FIEMAP 1
…		…
99	#define expect_false(expr) expect ((expr) != 0, 0)	106	#define expect_false(expr) expect ((expr) != 0, 0)
100	#define expect_true(expr) expect ((expr) != 0, 1)	107	#define expect_true(expr) expect ((expr) != 0, 1)
101		108
102	/*****************************************************************************/	109	/*****************************************************************************/
103		110
		111	#include "libeio/config.h"
		112
		113	#include "schmorp.h"
		114
		115	#if HAVE_EVENTFD
		116	# include <sys/eventfd.h>
		117	#endif
		118
		119	#if HAVE_TIMERFD
		120	# include <sys/timerfd.h>
		121	#endif
		122
		123	#if HAVE_RLIMITS
		124	#include <sys/time.h>
		125	#include <sys/resource.h>
		126	#endif
		127
104	typedef SV SV8; /* byte-sv, used for argument-checking */	128	typedef SV SV8; /* byte-sv, used for argument-checking */
105	typedef int aio_rfd; /* read file desriptor */	129	typedef int aio_rfd; /* read file desriptor */
106	typedef int aio_wfd; /* write file descriptor */	130	typedef int aio_wfd; /* write file descriptor */
107		131
108	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;	132	static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
…		…
114	STRLEN stroffset; \	138	STRLEN stroffset; \
115	SV *self;	139	SV *self;
116		140
117	#define EIO_NO_WRAPPERS 1	141	#define EIO_NO_WRAPPERS 1
118		142
119	#include "libeio/config.h"
120	#include "libeio/eio.h"	143	#include "libeio/eio.h"
121		144
122	static int req_invoke (eio_req *req);	145	static int req_invoke (eio_req *req);
123	#define EIO_FINISH(req) req_invoke (req)	146	#define EIO_FINISH(req) req_invoke (req)
124	static void req_destroy (eio_req *grp);	147	static void req_destroy (eio_req *grp);
…		…
140	# else	163	# else
141	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	164	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
142	# endif	165	# endif
143	#endif	166	#endif
144		167
145	/* defines all sorts of constants to 0 unless they are already defined */
146	#include "def0.h"
147
148	#ifndef makedev	168	#ifndef makedev
149	# define makedev(maj,min) (((maj) << 8) | (min))	169	# define makedev(maj,min) (((maj) << 8) | (min))
150	#endif	170	#endif
151	#ifndef major	171	#ifndef major
152	# define major(dev) ((dev) >> 8)	172	# define major(dev) ((dev) >> 8)
153	#endif	173	#endif
154	#ifndef minor	174	#ifndef minor
155	# define minor(dev) ((dev) & 0xff)	175	# define minor(dev) ((dev) & 0xff)
156	#endif	176	#endif
157		177
158	#ifndef PAGESIZE	178	#if PAGESIZE <= 0
159	# define PAGESIZE sysconf (_SC_PAGESIZE)	179	# define PAGESIZE sysconf (_SC_PAGESIZE)
160	#endif	180	#endif
		181
		182	/*****************************************************************************/
		183
		184	#if !_POSIX_MAPPED_FILES
		185	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
		186	# define munmap(addr,length) EIO_ENOSYS ()
		187	#endif
		188
		189	#if !_POSIX_MEMORY_PROTECTION
		190	# define mprotect(addr,len,prot) EIO_ENOSYS ()
		191	#endif
		192
		193	#if !MREMAP_MAYMOVE
		194	# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
		195	#endif
		196
		197	#define FOREIGN_MAGIC PERL_MAGIC_ext
		198
		199	static int ecb_cold
		200	mmap_free (pTHX_ SV *sv, MAGIC *mg)
		201	{
		202	int old_errno = errno;
		203	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		204	errno = old_errno;
		205
		206	mg->mg_obj = 0; /* just in case */
		207
		208	SvREADONLY_off (sv);
		209
		210	if (SvPVX (sv) != mg->mg_ptr)
		211	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		212
		213	SvCUR_set (sv, 0);
		214	SvPVX (sv) = 0;
		215	SvOK_off (sv);
		216
		217	return 0;
		218	}
		219
		220	static MGVTBL mmap_vtbl = {
		221	0, 0, 0, 0, mmap_free
		222	};
		223
		224	static int ecb_cold
		225	sysfree_free (pTHX_ SV *sv, MAGIC *mg)
		226	{
		227	free (mg->mg_ptr);
		228	mg->mg_obj = 0; /* just in case */
		229
		230	SvREADONLY_off (sv);
		231
		232	if (SvPVX (sv) != mg->mg_ptr)
		233	croak ("ERROR: IO::AIO mapped scalar changed location, detected");
		234
		235	SvCUR_set (sv, 0);
		236	SvPVX (sv) = 0;
		237	SvOK_off (sv);
		238
		239	return 0;
		240	}
		241
		242	static MGVTBL sysfree_vtbl = {
		243	0, 0, 0, 0, sysfree_free
		244	};
		245
		246	/*****************************************************************************/
		247
		248	/* helper: set scalar to foreign ptr with custom free */
		249	static void
		250	sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
		251	{
		252	sv_force_normal (sv);
		253
		254	/* we store the length in mg_obj, as namlen is I32 :/ */
		255	sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
		256	->mg_obj = (SV *)length;
		257
		258	SvUPGRADE (sv, SVt_PV); /* nop... */
		259
		260	if (SvLEN (sv))
		261	Safefree (SvPVX (sv));
		262
		263	SvPVX (sv) = (char *)addr;
		264	SvCUR_set (sv, length);
		265	SvLEN_set (sv, 0);
		266	SvPOK_only (sv);
		267	}
		268
		269	static void
		270	sv_clear_foreign (SV *sv)
		271	{
		272	/* todo: iterate over magic and only free ours, but of course */
		273	/* the perl5porters will call that (correct) behaviour buggy */
		274	sv_unmagic (sv, FOREIGN_MAGIC);
		275	}
		276
		277	/*****************************************************************************/
		278
		279	/* defines all sorts of constants to 0 unless they are already defined */
		280	/* also provides const_iv_ and const_niv_ macros for them */
		281	#include "def0.h"
161		282
162	/*****************************************************************************/	283	/*****************************************************************************/
163		284
164	static void	285	static void
165	fiemap (eio_req *req)	286	fiemap (eio_req *req)
…		…
189	fiemap->fm_start = req->offs;	310	fiemap->fm_start = req->offs;
190	fiemap->fm_length = req->size;	311	fiemap->fm_length = req->size;
191	fiemap->fm_flags = req->int2;	312	fiemap->fm_flags = req->int2;
192	fiemap->fm_extent_count = count;	313	fiemap->fm_extent_count = count;
193		314
194	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap))	315	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
195	return;	316	return;
196		317
197	if (req->int3 >= 0 /* not autosizing */	318	if (req->int3 >= 0 /* not autosizing */
198	|| !fiemap->fm_mapped_extents /* no more extents */	319	|| !fiemap->fm_mapped_extents /* no more extents */
199	|| fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)	320	|| fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
200	goto done;	321	goto done;
201		322
202	/* else we have to loop -	323	/* else we have to loop -
203	* it would be tempting (atcually I tried that first) to just query the	324	* it would be tempting (actually I tried that first) to just query the
204	* number of extents needed, but linux often feels like not returning all	325	* number of extents needed, but linux often feels like not returning all
205	* extents, without telling us it left any out. this complicates	326	* extents, without telling us it left any out. this complicates
206	* this quite a bit.	327	* this quite a bit.
207	*/	328	*/
208		329
…		…
218	+ fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;	339	+ fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
219	incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);	340	incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
220	incmap->fm_flags = fiemap->fm_flags;	341	incmap->fm_flags = fiemap->fm_flags;
221	incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);	342	incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
222		343
223	if (ioctl (req->int1, FS_IOC_FIEMAP, incmap))	344	if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
224	return;	345	return;
		346
		347	if (!incmap->fm_mapped_extents)
		348	goto done;
225		349
226	count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;	350	count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
227	fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);	351	fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
228	errno = ENOMEM;	352	errno = ENOMEM;
229	if (!fiemap)	353	if (!fiemap)
…		…
301	}	425	}
302		426
303	static SV *	427	static SV *
304	newSVaio_wd (aio_wd wd)	428	newSVaio_wd (aio_wd wd)
305	{	429	{
306	return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash);	430	return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
307	}	431	}
308		432
309	static aio_req	433	static aio_req
310	SvAIO_REQ (SV *sv)	434	SvAIO_REQ (SV *sv)
311	{	435	{
…		…
330	|| SvTYPE (SvRV (sv)) != SVt_PVMG	454	|| SvTYPE (SvRV (sv)) != SVt_PVMG
331	|| SvSTASH (SvRV (sv)) != aio_wd_stash)	455	|| SvSTASH (SvRV (sv)) != aio_wd_stash)
332	croak ("IO::AIO: expected a working directory object as returned by aio_wd");	456	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
333		457
334	return (aio_wd)(long)SvIVX (SvRV (sv));	458	return (aio_wd)(long)SvIVX (SvRV (sv));
		459	}
		460
		461	static SV *
		462	newmortalFH (int fd, int flags)
		463	{
		464	if (fd < 0)
		465	return &PL_sv_undef;
		466
		467	GV *gv = (GV *)sv_newmortal ();
		468	char sym[64];
		469	int symlen;
		470
		471	symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
		472	gv_init (gv, aio_stash, sym, symlen, 0);
		473
		474	symlen = snprintf (
		475	sym,
		476	sizeof (sym),
		477	"%s&=%d",
		478	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
		479	fd
		480	);
		481
		482	return do_open (gv, sym, symlen, 0, 0, 0, 0)
		483	? (SV *)gv : &PL_sv_undef;
335	}	484	}
336		485
337	static void	486	static void
338	aio_grp_feed (aio_req grp)	487	aio_grp_feed (aio_req grp)
339	{	488	{
…		…
467	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));	616	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
468	}	617	}
469	break;	618	break;
470		619
471	case EIO_OPEN:	620	case EIO_OPEN:
472	{	621	PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
473	/* convert fd to fh */
474	SV *fh = &PL_sv_undef;
475
476	if (req->result >= 0)
477	{
478	GV *gv = (GV *)sv_newmortal ();
479	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
480	char sym [64];
481	int symlen;
482
483	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
484	gv_init (gv, aio_stash, sym, symlen, 0);
485
486	symlen = snprintf (
487	sym,
488	sizeof (sym),
489	"%s&=%d",
490	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
491	(int)req->result
492	);
493
494	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
495	fh = (SV *)gv;
496	}
497
498	PUSHs (fh);
499	}
500	break;	622	break;
501		623
502	case EIO_STATVFS:	624	case EIO_STATVFS:
503	case EIO_FSTATVFS:	625	case EIO_FSTATVFS:
504	{	626	{
…		…
507	#ifndef _WIN32	629	#ifndef _WIN32
508	if (req->result >= 0)	630	if (req->result >= 0)
509	{	631	{
510	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	632	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
511	HV *hv = newHV ();	633	HV *hv = newHV ();
		634	/* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
		635	* chooses to make it a struct.
		636	*/
		637	unsigned long fsid = 0;
		638	memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
512		639
513	rv = sv_2mortal (newRV_noinc ((SV *)hv));	640	rv = sv_2mortal (newRV_noinc ((SV *)hv));
514		641
515	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);	642	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
516	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);	643	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
…		…
518	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);	645	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
519	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);	646	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
520	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);	647	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
521	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);	648	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
522	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);	649	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
523	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);	650	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
524	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);	651	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
525	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);	652	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
526	}	653	}
527	#endif	654	#endif
528		655
…		…
579	SvSETMAGIC (req->sv2);	706	SvSETMAGIC (req->sv2);
580	PUSHs (sv_result);	707	PUSHs (sv_result);
581	}	708	}
582	break;	709	break;
583		710
		711	case EIO_SLURP:
		712	{
		713	if (req->result >= 0)
		714	{
		715	/* if length was originally not known, we steal the malloc'ed memory */
		716	if (req->flags & EIO_FLAG_PTR2_FREE)
		717	{
		718	req->flags &= ~EIO_FLAG_PTR2_FREE;
		719	sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
		720	}
		721	else
		722	{
		723	SvCUR_set (req->sv2, req->result);
		724	*SvEND (req->sv2) = 0;
		725	SvPOK_only (req->sv2);
		726	}
		727
		728	SvSETMAGIC (req->sv2);
		729	}
		730
		731	PUSHs (sv_result);
		732	}
		733	break;
		734
584	case EIO_CUSTOM:	735	case EIO_CUSTOM:
585	if (req->feed == fiemap)	736	if (req->feed == fiemap)
586	{	737	{
587	#if HAVE_FIEMAP	738	#if HAVE_FIEMAP
588	if (!req->result)	739	if (!req->result)
…		…
693	{	844	{
694	while (eio_nreqs ())	845	while (eio_nreqs ())
695	{	846	{
696	int size;	847	int size;
697		848
698	X_LOCK (reslock);	849	X_LOCK (EIO_POOL->reslock);
699	size = res_queue.size;	850	size = EIO_POOL->res_queue.size;
700	X_UNLOCK (reslock);	851	X_UNLOCK (EIO_POOL->reslock);
701		852
702	if (size)	853	if (size)
703	return;	854	return;
704		855
705	etp_maybe_start_thread ();	856	etp_maybe_start_thread (EIO_POOL);
706		857
707	s_epipe_wait (&respipe);	858	s_epipe_wait (&respipe);
708	}	859	}
709	}	860	}
710		861
…		…
731	create_respipe ();	882	create_respipe ();
732		883
733	if (eio_init (want_poll, done_poll) < 0)	884	if (eio_init (want_poll, done_poll) < 0)
734	croak ("IO::AIO: unable to initialise eio library");	885	croak ("IO::AIO: unable to initialise eio library");
735	}	886	}
736
737	/*****************************************************************************/
738
739	#if !_POSIX_MAPPED_FILES
740	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
741	# define munmap(addr,length) EIO_ENOSYS ()
742	#endif
743
744	#if !_POSIX_MEMORY_PROTECTION
745	# define mprotect(addr,len,prot) EIO_ENOSYS ()
746	# define PROT_NONE 0
747	# define PROT_WRITE 0
748	# define MAP_PRIVATE 0
749	# define MAP_SHARED 0
750	# define MAP_FIXED 0
751	#endif
752
753	#define MMAP_MAGIC PERL_MAGIC_ext
754
755	static int ecb_cold
756	mmap_free (pTHX_ SV *sv, MAGIC *mg)
757	{
758	int old_errno = errno;
759	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
760	errno = old_errno;
761
762	mg->mg_obj = 0; /* just in case */
763
764	SvREADONLY_off (sv);
765
766	if (SvPVX (sv) != mg->mg_ptr)
767	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
768
769	SvCUR_set (sv, 0);
770	SvPVX (sv) = 0;
771	SvOK_off (sv);
772
773	return 0;
774	}
775
776	static MGVTBL mmap_vtbl = {
777	0, 0, 0, 0, mmap_free
778	};
779		887
780	/*****************************************************************************/	888	/*****************************************************************************/
781		889
782	static SV *	890	static SV *
783	get_cb (SV *cb_sv)	891	get_cb (SV *cb_sv)
…		…
879	req_set_path1 (req, fh_or_path);	987	req_set_path1 (req, fh_or_path);
880	break;	988	break;
881	}	989	}
882	}	990	}
883		991
		992	/*****************************************************************************/
		993
		994	static void
		995	ts_set (struct timespec *ts, NV value)
		996	{
		997	ts->tv_sec = value;
		998	ts->tv_nsec = (value - ts->tv_sec) * 1e9;
		999	}
		1000
		1001	static NV
		1002	ts_get (const struct timespec *ts)
		1003	{
		1004	return ts->tv_sec + ts->tv_nsec * 1e-9;
		1005	}
		1006
		1007	/*****************************************************************************/
		1008
884	XS(boot_IO__AIO) ecb_cold;	1009	XS(boot_IO__AIO) ecb_cold;
885		1010
886	MODULE = IO::AIO PACKAGE = IO::AIO	1011	MODULE = IO::AIO PACKAGE = IO::AIO
887		1012
888	PROTOTYPES: ENABLE	1013	PROTOTYPES: ENABLE
…		…
895	} *civ, const_iv[] = {	1020	} *civ, const_iv[] = {
896	# define const_niv(name, value) { # name, (IV) value },	1021	# define const_niv(name, value) { # name, (IV) value },
897	# define const_iv(name) { # name, (IV) name },	1022	# define const_iv(name) { # name, (IV) name },
898	# define const_eio(name) { # name, (IV) EIO_ ## name },	1023	# define const_eio(name) { # name, (IV) EIO_ ## name },
899		1024
900	/* you have to re-run ./gendef0 after adding/Removing any constants here */	1025	/* you have to re-run ./gendef0 after adding/removing any constants here */
901		1026	/* the first block can be undef if missing */
902	const_iv (ENOSYS)	1027	const_iv (ENOSYS)
903	const_iv (EXDEV)	1028	const_iv (EXDEV)
904	const_iv (EBADR)	1029	const_iv (EBADR)
		1030
		1031	/* for lseek */
		1032	const_iv (SEEK_DATA)
		1033	const_iv (SEEK_HOLE)
		1034
		1035	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
		1036	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		1037	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
		1038	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		1039	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		1040	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		1041
		1042	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		1043	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		1044	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		1045	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		1046	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		1047
		1048	/* the second block will be 0 when missing */
		1049	const_iv (O_ACCMODE)
905		1050
906	const_iv (O_RDONLY)	1051	const_iv (O_RDONLY)
907	const_iv (O_WRONLY)	1052	const_iv (O_WRONLY)
908	const_iv (O_RDWR)	1053	const_iv (O_RDWR)
909	const_iv (O_CREAT)	1054	const_iv (O_CREAT)
…		…
923	const_iv (O_SEARCH)	1068	const_iv (O_SEARCH)
924	const_iv (O_DIRECTORY)	1069	const_iv (O_DIRECTORY)
925	const_iv (O_DSYNC)	1070	const_iv (O_DSYNC)
926	const_iv (O_RSYNC)	1071	const_iv (O_RSYNC)
927	const_iv (O_SYNC)	1072	const_iv (O_SYNC)
		1073	const_iv (O_PATH)
		1074	const_iv (O_TMPFILE)
928	const_iv (O_TTY_INIT)	1075	const_iv (O_TTY_INIT)
929		1076
930	const_iv (S_IFIFO)	1077	const_iv (S_IFIFO)
931	const_iv (S_IFCHR)	1078	const_iv (S_IFCHR)
932	const_iv (S_IFBLK)	1079	const_iv (S_IFBLK)
…		…
934	const_iv (S_IFREG)	1081	const_iv (S_IFREG)
935	const_iv (S_IFDIR)	1082	const_iv (S_IFDIR)
936	const_iv (S_IFWHT)	1083	const_iv (S_IFWHT)
937	const_iv (S_IFSOCK)	1084	const_iv (S_IFSOCK)
938	const_iv (S_IFMT)	1085	const_iv (S_IFMT)
939
940	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
941	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
942	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
943	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
944	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
945	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
946
947	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
948	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
949	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
950	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
951	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
952		1086
953	const_iv (ST_RDONLY)	1087	const_iv (ST_RDONLY)
954	const_iv (ST_NOSUID)	1088	const_iv (ST_NOSUID)
955	const_iv (ST_NODEV)	1089	const_iv (ST_NODEV)
956	const_iv (ST_NOEXEC)	1090	const_iv (ST_NOEXEC)
…		…
966	const_iv (PROT_NONE)	1100	const_iv (PROT_NONE)
967	const_iv (PROT_EXEC)	1101	const_iv (PROT_EXEC)
968	const_iv (PROT_READ)	1102	const_iv (PROT_READ)
969	const_iv (PROT_WRITE)	1103	const_iv (PROT_WRITE)
970		1104
971	/*const_iv (MAP_FIXED)*/
972	const_iv (MAP_PRIVATE)	1105	const_iv (MAP_PRIVATE)
973	const_iv (MAP_SHARED)	1106	const_iv (MAP_SHARED)
		1107	const_iv (MAP_FIXED)
974	const_iv (MAP_ANONYMOUS)	1108	const_iv (MAP_ANONYMOUS)
975		1109
976	/* linuxish */	1110	/* linuxish */
977	const_iv (MAP_HUGETLB)
978	const_iv (MAP_LOCKED)	1111	const_iv (MAP_LOCKED)
979	const_iv (MAP_NORESERVE)	1112	const_iv (MAP_NORESERVE)
980	const_iv (MAP_POPULATE)	1113	const_iv (MAP_POPULATE)
981	const_iv (MAP_NONBLOCK)	1114	const_iv (MAP_NONBLOCK)
		1115	const_iv (MAP_GROWSDOWN)
		1116	const_iv (MAP_32BIT)
		1117	const_iv (MAP_HUGETLB)
		1118	const_iv (MAP_STACK)
		1119
		1120	const_iv (MREMAP_MAYMOVE)
		1121	const_iv (MREMAP_FIXED)
		1122
		1123	const_iv (F_DUPFD_CLOEXEC)
		1124
		1125	const_iv (F_OFD_GETLK)
		1126	const_iv (F_OFD_SETLK)
		1127	const_iv (F_OFD_GETLKW)
		1128
		1129	const_iv (FIFREEZE)
		1130	const_iv (FITHAW)
		1131	const_iv (FITRIM)
		1132	const_iv (FICLONE)
		1133	const_iv (FICLONERANGE)
		1134	const_iv (FIDEDUPERANGE)
		1135
		1136	const_iv (FS_IOC_GETFLAGS)
		1137	const_iv (FS_IOC_SETFLAGS)
		1138	const_iv (FS_IOC_GETVERSION)
		1139	const_iv (FS_IOC_SETVERSION)
		1140	const_iv (FS_IOC_FIEMAP)
		1141	const_iv (FS_IOC_FSGETXATTR)
		1142	const_iv (FS_IOC_FSSETXATTR)
		1143	const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
		1144	const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
		1145	const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
		1146
		1147	const_iv (FS_KEY_DESCRIPTOR_SIZE)
		1148
		1149	const_iv (FS_SECRM_FL)
		1150	const_iv (FS_UNRM_FL)
		1151	const_iv (FS_COMPR_FL)
		1152	const_iv (FS_SYNC_FL)
		1153	const_iv (FS_IMMUTABLE_FL)
		1154	const_iv (FS_APPEND_FL)
		1155	const_iv (FS_NODUMP_FL)
		1156	const_iv (FS_NOATIME_FL)
		1157	const_iv (FS_DIRTY_FL)
		1158	const_iv (FS_COMPRBLK_FL)
		1159	const_iv (FS_NOCOMP_FL)
		1160	const_iv (FS_ENCRYPT_FL)
		1161	const_iv (FS_BTREE_FL)
		1162	const_iv (FS_INDEX_FL)
		1163	const_iv (FS_JOURNAL_DATA_FL)
		1164	const_iv (FS_NOTAIL_FL)
		1165	const_iv (FS_DIRSYNC_FL)
		1166	const_iv (FS_TOPDIR_FL)
		1167	const_iv (FS_FL_USER_MODIFIABLE)
		1168
		1169	const_iv (FS_XFLAG_REALTIME)
		1170	const_iv (FS_XFLAG_PREALLOC)
		1171	const_iv (FS_XFLAG_IMMUTABLE)
		1172	const_iv (FS_XFLAG_APPEND)
		1173	const_iv (FS_XFLAG_SYNC)
		1174	const_iv (FS_XFLAG_NOATIME)
		1175	const_iv (FS_XFLAG_NODUMP)
		1176	const_iv (FS_XFLAG_RTINHERIT)
		1177	const_iv (FS_XFLAG_PROJINHERIT)
		1178	const_iv (FS_XFLAG_NOSYMLINKS)
		1179	const_iv (FS_XFLAG_EXTSIZE)
		1180	const_iv (FS_XFLAG_EXTSZINHERIT)
		1181	const_iv (FS_XFLAG_NODEFRAG)
		1182	const_iv (FS_XFLAG_FILESTREAM)
		1183	const_iv (FS_XFLAG_DAX)
		1184	const_iv (FS_XFLAG_HASATTR)
982		1185
983	const_iv (FIEMAP_FLAG_SYNC)	1186	const_iv (FIEMAP_FLAG_SYNC)
984	const_iv (FIEMAP_FLAG_XATTR)	1187	const_iv (FIEMAP_FLAG_XATTR)
985	const_iv (FIEMAP_FLAGS_COMPAT)	1188	const_iv (FIEMAP_FLAGS_COMPAT)
986	const_iv (FIEMAP_EXTENT_LAST)	1189	const_iv (FIEMAP_EXTENT_LAST)
…		…
998	const_iv (SPLICE_F_MOVE)	1201	const_iv (SPLICE_F_MOVE)
999	const_iv (SPLICE_F_NONBLOCK)	1202	const_iv (SPLICE_F_NONBLOCK)
1000	const_iv (SPLICE_F_MORE)	1203	const_iv (SPLICE_F_MORE)
1001	const_iv (SPLICE_F_GIFT)	1204	const_iv (SPLICE_F_GIFT)
1002		1205
1003	const_iv (SEEK_DATA)	1206	const_iv (EFD_CLOEXEC)
		1207	const_iv (EFD_NONBLOCK)
1004	const_iv (SEEK_HOLE)	1208	const_iv (EFD_SEMAPHORE)
1005		1209
1006	/* libeio constants */	1210	const_iv (CLOCK_REALTIME)
		1211	const_iv (CLOCK_MONOTONIC)
		1212	const_iv (CLOCK_BOOTTIME)
		1213	const_iv (CLOCK_REALTIME_ALARM)
		1214	const_iv (CLOCK_BOOTTIME_ALARM)
		1215
		1216	const_iv (TFD_NONBLOCK)
		1217	const_iv (TFD_CLOEXEC)
		1218
		1219	const_iv (TFD_TIMER_ABSTIME)
		1220	const_iv (TFD_TIMER_CANCEL_ON_SET)
		1221
		1222	/* these are libeio constants, and are independent of gendef0 */
1007	const_eio (SEEK_SET)	1223	const_eio (SEEK_SET)
1008	const_eio (SEEK_CUR)	1224	const_eio (SEEK_CUR)
1009	const_eio (SEEK_END)	1225	const_eio (SEEK_END)
1010		1226
1011	const_eio (MCL_FUTURE)	1227	const_eio (MCL_FUTURE)
…		…
1021	const_eio (SYNC_FILE_RANGE_WRITE)	1237	const_eio (SYNC_FILE_RANGE_WRITE)
1022	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1238	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1023		1239
1024	const_eio (FALLOC_FL_KEEP_SIZE)	1240	const_eio (FALLOC_FL_KEEP_SIZE)
1025	const_eio (FALLOC_FL_PUNCH_HOLE)	1241	const_eio (FALLOC_FL_PUNCH_HOLE)
		1242	const_eio (FALLOC_FL_COLLAPSE_RANGE)
		1243	const_eio (FALLOC_FL_ZERO_RANGE)
		1244	const_eio (FALLOC_FL_INSERT_RANGE)
		1245	const_eio (FALLOC_FL_UNSHARE_RANGE)
		1246
		1247	const_eio (RENAME_NOREPLACE)
		1248	const_eio (RENAME_EXCHANGE)
		1249	const_eio (RENAME_WHITEOUT)
1026		1250
1027	const_eio (READDIR_DENTS)	1251	const_eio (READDIR_DENTS)
1028	const_eio (READDIR_DIRS_FIRST)	1252	const_eio (READDIR_DIRS_FIRST)
1029	const_eio (READDIR_STAT_ORDER)	1253	const_eio (READDIR_STAT_ORDER)
1030	const_eio (READDIR_FOUND_UNKNOWN)	1254	const_eio (READDIR_FOUND_UNKNOWN)
…		…
1098	PROTOTYPE: $	1322	PROTOTYPE: $
1099	CODE:	1323	CODE:
1100	max_outstanding = maxreqs;	1324	max_outstanding = maxreqs;
1101		1325
1102	void	1326	void
1103	aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)	1327	aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
1104	PPCODE:	1328	PPCODE:
1105	{	1329	{
1106	dREQ;	1330	dREQ;
1107		1331
1108	req->type = EIO_WD_OPEN;	1332	req->type = EIO_WD_OPEN;
…		…
1110		1334
1111	REQ_SEND;	1335	REQ_SEND;
1112	}	1336	}
1113		1337
1114	void	1338	void
1115	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1339	aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1116	PPCODE:	1340	PPCODE:
1117	{	1341	{
1118	dREQ;	1342	dREQ;
1119		1343
1120	req->type = EIO_OPEN;	1344	req->type = EIO_OPEN;
…		…
1124		1348
1125	REQ_SEND;	1349	REQ_SEND;
1126	}	1350	}
1127		1351
1128	void	1352	void
1129	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1353	aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
1130	ALIAS:	1354	ALIAS:
1131	aio_fsync = EIO_FSYNC	1355	aio_fsync = EIO_FSYNC
1132	aio_fdatasync = EIO_FDATASYNC	1356	aio_fdatasync = EIO_FDATASYNC
1133	aio_syncfs = EIO_SYNCFS	1357	aio_syncfs = EIO_SYNCFS
1134	PPCODE:	1358	PPCODE:
…		…
1142		1366
1143	REQ_SEND;	1367	REQ_SEND;
1144	}	1368	}
1145		1369
1146	void	1370	void
1147	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1371	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
1148	PPCODE:	1372	PPCODE:
1149	{	1373	{
1150	int fd = s_fileno_croak (fh, 0);	1374	int fd = s_fileno_croak (fh, 0);
1151	dREQ;	1375	dREQ;
1152		1376
…		…
1159		1383
1160	REQ_SEND;	1384	REQ_SEND;
1161	}	1385	}
1162		1386
1163	void	1387	void
1164	aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)	1388	aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
1165	PPCODE:	1389	PPCODE:
1166	{	1390	{
1167	int fd = s_fileno_croak (fh, 0);	1391	int fd = s_fileno_croak (fh, 0);
1168	dREQ;	1392	dREQ;
1169		1393
…		…
1176		1400
1177	REQ_SEND;	1401	REQ_SEND;
1178	}	1402	}
1179		1403
1180	void	1404	void
1181	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1405	aio_close (SV *fh, SV *callback = &PL_sv_undef)
1182	PPCODE:	1406	PPCODE:
1183	{	1407	{
1184	static int close_fd = -1; /* dummy fd to close fds via dup2 */	1408	static int close_fd = -1; /* dummy fd to close fds via dup2 */
1185	int fd = s_fileno_croak (fh, 0);	1409	int fd = s_fileno_croak (fh, 0);
1186	dREQ;	1410	dREQ;
…		…
1210		1434
1211	REQ_SEND;	1435	REQ_SEND;
1212	}	1436	}
1213		1437
1214	void	1438	void
1215	aio_seek (SV *fh, SV *offset, int whence, SV *callback=&PL_sv_undef)	1439	aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1216	PPCODE:	1440	PPCODE:
1217	{	1441	{
1218	int fd = s_fileno_croak (fh, 0);	1442	int fd = s_fileno_croak (fh, 0);
1219	dREQ;	1443	dREQ;
1220		1444
…		…
1226		1450
1227	REQ_SEND;	1451	REQ_SEND;
1228	}	1452	}
1229		1453
1230	void	1454	void
1231	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1455	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
1232	ALIAS:	1456	ALIAS:
1233	aio_read = EIO_READ	1457	aio_read = EIO_READ
1234	aio_write = EIO_WRITE	1458	aio_write = EIO_WRITE
1235	PPCODE:	1459	PPCODE:
1236	{	1460	{
…		…
1252	len = svlen - dataoffset;	1476	len = svlen - dataoffset;
1253	}	1477	}
1254	else	1478	else
1255	{	1479	{
1256	/* read: check type and grow scalar as necessary */	1480	/* read: check type and grow scalar as necessary */
1257	SvUPGRADE (data, SVt_PV);
1258	if (SvLEN (data) >= SvCUR (data))	1481	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1259	svptr = SvGROW (data, len + dataoffset + 1);	1482	svptr = sv_grow (data, len + dataoffset + 1);
1260	else if (SvCUR (data) < len + dataoffset)	1483	else if (SvCUR (data) < len + dataoffset)
1261	croak ("length + dataoffset outside of scalar, and cannot grow");	1484	croak ("length + dataoffset outside of scalar, and cannot grow");
1262	}	1485	}
1263		1486
1264	{	1487	{
…		…
1282	REQ_SEND;	1505	REQ_SEND;
1283	}	1506	}
1284	}	1507	}
1285		1508
1286	void	1509	void
		1510	aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
		1511	ALIAS:
		1512	aio_ioctl = EIO_IOCTL
		1513	aio_fcntl = EIO_FCNTL
		1514	PPCODE:
		1515	{
		1516	int fd = s_fileno_croak (fh, 0);
		1517	char *svptr;
		1518
		1519	if (SvPOK (arg) || !SvNIOK (arg))
		1520	{
		1521	STRLEN svlen;
		1522	/* perl uses IOCPARM_LEN for fcntl, so we do, too */
		1523	#ifdef IOCPARM_LEN
		1524	STRLEN need = IOCPARM_LEN (request);
		1525	#else
		1526	STRLEN need = 256;
		1527	#endif
		1528
		1529	if (svlen < need)
		1530	svptr = SvGROW (arg, need);
		1531	}
		1532	else
		1533	svptr = (char *)SvIV (arg);
		1534
		1535	{
		1536	dREQ;
		1537
		1538	req->type = ix;
		1539	req->sv1 = newSVsv (fh);
		1540	req->int1 = fd;
		1541	req->int2 = (long)request;
		1542	req->sv2 = SvREFCNT_inc (arg);
		1543	req->ptr2 = svptr;
		1544
		1545	REQ_SEND;
		1546	}
		1547	}
		1548
		1549	void
1287	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1550	aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1288	ALIAS:	1551	ALIAS:
1289	aio_readlink = EIO_READLINK	1552	aio_readlink = EIO_READLINK
1290	aio_realpath = EIO_REALPATH	1553	aio_realpath = EIO_REALPATH
1291	PPCODE:	1554	PPCODE:
1292	{	1555	{
…		…
1297		1560
1298	REQ_SEND;	1561	REQ_SEND;
1299	}	1562	}
1300		1563
1301	void	1564	void
1302	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1565	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1303	PPCODE:	1566	PPCODE:
1304	{	1567	{
1305	int ifd = s_fileno_croak (in_fh , 0);	1568	int ifd = s_fileno_croak (in_fh , 0);
1306	int ofd = s_fileno_croak (out_fh, 1);	1569	int ofd = s_fileno_croak (out_fh, 1);
1307	dREQ;	1570	dREQ;
…		…
1316		1579
1317	REQ_SEND;	1580	REQ_SEND;
1318	}	1581	}
1319		1582
1320	void	1583	void
1321	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1584	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1322	PPCODE:	1585	PPCODE:
1323	{	1586	{
1324	int fd = s_fileno_croak (fh, 0);	1587	int fd = s_fileno_croak (fh, 0);
1325	dREQ;	1588	dREQ;
1326		1589
…		…
1332		1595
1333	REQ_SEND;	1596	REQ_SEND;
1334	}	1597	}
1335		1598
1336	void	1599	void
1337	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1600	aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1338	ALIAS:	1601	ALIAS:
1339	aio_stat = EIO_STAT	1602	aio_stat = EIO_STAT
1340	aio_lstat = EIO_LSTAT	1603	aio_lstat = EIO_LSTAT
1341	aio_statvfs = EIO_STATVFS	1604	aio_statvfs = EIO_STATVFS
1342	PPCODE:	1605	PPCODE:
…		…
1351	UV	1614	UV
1352	major (UV dev)	1615	major (UV dev)
1353	ALIAS:	1616	ALIAS:
1354	minor = 1	1617	minor = 1
1355	CODE:	1618	CODE:
1356	RETVAL = ix ? major (dev) : minor (dev);	1619	RETVAL = ix ? minor (dev) : major (dev);
1357	OUTPUT:	1620	OUTPUT:
1358	RETVAL	1621	RETVAL
1359		1622
1360	UV	1623	UV
1361	makedev (UV maj, UV min)	1624	makedev (UV maj, UV min)
…		…
1363	RETVAL = makedev (maj, min);	1626	RETVAL = makedev (maj, min);
1364	OUTPUT:	1627	OUTPUT:
1365	RETVAL	1628	RETVAL
1366		1629
1367	void	1630	void
1368	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1631	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1369	PPCODE:	1632	PPCODE:
1370	{	1633	{
1371	dREQ;	1634	dREQ;
1372		1635
1373	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1636	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
…		…
1376		1639
1377	REQ_SEND;	1640	REQ_SEND;
1378	}	1641	}
1379		1642
1380	void	1643	void
1381	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1644	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1382	PPCODE:	1645	PPCODE:
1383	{	1646	{
1384	dREQ;	1647	dREQ;
1385		1648
1386	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1649	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
…		…
1388		1651
1389	REQ_SEND;	1652	REQ_SEND;
1390	}	1653	}
1391		1654
1392	void	1655	void
1393	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1656	aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1394	PPCODE:	1657	PPCODE:
1395	{	1658	{
1396	dREQ;	1659	dREQ;
1397		1660
1398	req->int2 = mode;	1661	req->int2 = mode;
…		…
1400		1663
1401	REQ_SEND;	1664	REQ_SEND;
1402	}	1665	}
1403		1666
1404	void	1667	void
1405	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef)	1668	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1406	PPCODE:	1669	PPCODE:
1407	{	1670	{
1408	dREQ;	1671	dREQ;
1409		1672
1410	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1673	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
…		…
1413		1676
1414	REQ_SEND;	1677	REQ_SEND;
1415	}	1678	}
1416		1679
1417	void	1680	void
1418	aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)	1681	aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1419	PPCODE:	1682	PPCODE:
1420	{	1683	{
1421	dREQ;	1684	dREQ;
1422		1685
1423	req->type = EIO_READDIR;	1686	req->type = EIO_READDIR;
…		…
1430		1693
1431	REQ_SEND;	1694	REQ_SEND;
1432	}	1695	}
1433		1696
1434	void	1697	void
1435	aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef)	1698	aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1436	PPCODE:	1699	PPCODE:
1437	{	1700	{
1438	dREQ;	1701	dREQ;
1439		1702
1440	req->type = EIO_MKDIR;	1703	req->type = EIO_MKDIR;
…		…
1443		1706
1444	REQ_SEND;	1707	REQ_SEND;
1445	}	1708	}
1446		1709
1447	void	1710	void
1448	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1711	aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1449	ALIAS:	1712	ALIAS:
1450	aio_unlink = EIO_UNLINK	1713	aio_unlink = EIO_UNLINK
1451	aio_rmdir = EIO_RMDIR	1714	aio_rmdir = EIO_RMDIR
1452	aio_readdir = EIO_READDIR	1715	aio_readdir = EIO_READDIR
1453	PPCODE:	1716	PPCODE:
…		…
1459		1722
1460	REQ_SEND;	1723	REQ_SEND;
1461	}	1724	}
1462		1725
1463	void	1726	void
1464	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef)	1727	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1465	ALIAS:	1728	ALIAS:
1466	aio_link = EIO_LINK	1729	aio_link = EIO_LINK
1467	aio_symlink = EIO_SYMLINK	1730	aio_symlink = EIO_SYMLINK
1468	aio_rename = EIO_RENAME	1731	aio_rename = EIO_RENAME
1469	PPCODE:	1732	PPCODE:
…		…
1478		1741
1479	REQ_SEND;	1742	REQ_SEND;
1480	}	1743	}
1481		1744
1482	void	1745	void
		1746	aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
		1747	PPCODE:
		1748	{
		1749	eio_wd wd2 = 0;
		1750	dREQ;
		1751
		1752	req->type = EIO_RENAME;
		1753	req_set_path1 (req, oldpath);
		1754	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
		1755	req->int2 = flags;
		1756	req->int3 = (long)wd2;
		1757
		1758	REQ_SEND;
		1759	}
		1760
		1761	void
1483	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef)	1762	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1484	PPCODE:	1763	PPCODE:
1485	{	1764	{
1486	dREQ;	1765	dREQ;
1487		1766
1488	req->type = EIO_MKNOD;	1767	req->type = EIO_MKNOD;
…		…
1492		1771
1493	REQ_SEND;	1772	REQ_SEND;
1494	}	1773	}
1495		1774
1496	void	1775	void
1497	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1776	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1498	ALIAS:	1777	ALIAS:
1499	aio_mtouch = EIO_MTOUCH	1778	aio_mtouch = EIO_MTOUCH
1500	aio_msync = EIO_MSYNC	1779	aio_msync = EIO_MSYNC
1501	PPCODE:	1780	PPCODE:
1502	{	1781	{
1503	STRLEN svlen;	1782	STRLEN svlen;
1504	char *svptr = SvPVbyte (data, svlen);	1783	char *svptr = SvPVbyte (data, svlen);
1505	UV len = SvUV (length);	1784	UV len = SvUV (length);
		1785
		1786	if (flags < 0)
		1787	flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1506		1788
1507	if (offset < 0)	1789	if (offset < 0)
1508	offset += svlen;	1790	offset += svlen;
1509		1791
1510	if (offset < 0 || offset > svlen)	1792	if (offset < 0 || offset > svlen)
…		…
1525	REQ_SEND;	1807	REQ_SEND;
1526	}	1808	}
1527	}	1809	}
1528		1810
1529	void	1811	void
1530	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)	1812	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1531	PPCODE:	1813	PPCODE:
1532	{	1814	{
1533	STRLEN svlen;	1815	STRLEN svlen;
1534	char *svptr = SvPVbyte (data, svlen);	1816	char *svptr = SvPVbyte (data, svlen);
1535	UV len = SvUV (length);	1817	UV len = SvUV (length);
…		…
1554	REQ_SEND;	1836	REQ_SEND;
1555	}	1837	}
1556	}	1838	}
1557		1839
1558	void	1840	void
1559	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)	1841	aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1560	PPCODE:	1842	PPCODE:
1561	{	1843	{
1562	dREQ;	1844	dREQ;
1563		1845
1564	req->type = EIO_MLOCKALL;	1846	req->type = EIO_MLOCKALL;
…		…
1566		1848
1567	REQ_SEND;	1849	REQ_SEND;
1568	}	1850	}
1569		1851
1570	void	1852	void
1571	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback=&PL_sv_undef)	1853	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
1572	PPCODE:	1854	PPCODE:
1573	{	1855	{
1574	int fd = s_fileno_croak (fh, 0);	1856	int fd = s_fileno_croak (fh, 0);
1575	dREQ;	1857	dREQ;
1576		1858
…		…
1589		1871
1590	REQ_SEND;	1872	REQ_SEND;
1591	}	1873	}
1592		1874
1593	void	1875	void
		1876	aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
		1877	PPCODE:
		1878	{
		1879	char *svptr = 0;
		1880
		1881	sv_clear_foreign (data);
		1882
		1883	if (length) /* known length, directly read into scalar */
		1884	{
		1885	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
		1886	svptr = sv_grow (data, length + 1);
		1887	else if (SvCUR (data) < length)
		1888	croak ("length outside of scalar, and cannot grow");
		1889	else
		1890	svptr = SvPVbyte_nolen (data);
		1891	}
		1892
		1893	{
		1894	dREQ;
		1895
		1896	req->type = EIO_SLURP;
		1897	req_set_path1 (req, pathname);
		1898	req->offs = offset;
		1899	req->size = length;
		1900	req->sv2 = SvREFCNT_inc (data);
		1901	req->ptr2 = svptr;
		1902
		1903	if (!SvREADONLY (data))
		1904	{
		1905	SvREADONLY_on (data);
		1906	req->flags |= FLAG_SV2_RO_OFF;
		1907	}
		1908
		1909	REQ_SEND;
		1910	}
		1911	}
		1912
		1913	void
1594	aio_busy (double delay, SV *callback=&PL_sv_undef)	1914	aio_busy (double delay, SV *callback = &PL_sv_undef)
1595	PPCODE:	1915	PPCODE:
1596	{	1916	{
1597	dREQ;	1917	dREQ;
1598		1918
1599	req->type = EIO_BUSY;	1919	req->type = EIO_BUSY;
…		…
1601		1921
1602	REQ_SEND;	1922	REQ_SEND;
1603	}	1923	}
1604		1924
1605	void	1925	void
1606	aio_group (SV *callback=&PL_sv_undef)	1926	aio_group (SV *callback = &PL_sv_undef)
1607	PPCODE:	1927	PPCODE:
1608	{	1928	{
1609	dREQ;	1929	dREQ;
1610		1930
1611	req->type = EIO_GROUP;	1931	req->type = EIO_GROUP;
1612		1932
		1933	PUTBACK;
1613	req_submit (req);	1934	req_submit (req);
		1935	SPAGAIN;
		1936
1614	XPUSHs (req_sv (req, aio_grp_stash));	1937	XPUSHs (req_sv (req, aio_grp_stash));
1615	}	1938	}
1616		1939
1617	void	1940	void
1618	aio_nop (SV *callback=&PL_sv_undef)	1941	aio_nop (SV *callback = &PL_sv_undef)
1619	ALIAS:	1942	ALIAS:
1620	aio_nop = EIO_NOP	1943	aio_nop = EIO_NOP
1621	aio_sync = EIO_SYNC	1944	aio_sync = EIO_SYNC
1622	PPCODE:	1945	PPCODE:
1623	{	1946	{
…		…
1627		1950
1628	REQ_SEND;	1951	REQ_SEND;
1629	}	1952	}
1630		1953
1631	int	1954	int
1632	aioreq_pri (int pri = 0)	1955	aioreq_pri (int pri = NO_INIT)
1633	CODE:	1956	CODE:
1634	RETVAL = next_pri;	1957	RETVAL = next_pri;
1635	if (items > 0)	1958	if (items > 0)
1636	{	1959	{
1637	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1960	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1727	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	2050	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1728	OUTPUT:	2051	OUTPUT:
1729	RETVAL	2052	RETVAL
1730		2053
1731	void	2054	void
1732	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)	2055	mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1733	PPCODE:	2056	PPCODE:
1734	sv_unmagic (scalar, MMAP_MAGIC);	2057	sv_clear_foreign (scalar);
1735	{	2058	{
1736	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	2059	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1737	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	2060	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1738	if (addr == (void *)-1)	2061	if (addr == (void *)-1)
1739	XSRETURN_NO;	2062	XSRETURN_NO;
1740		2063
1741	sv_force_normal (scalar);	2064	sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1742
1743	/* we store the length in mg_obj, as namlen is I32 :/ */
1744	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1745	->mg_obj = (SV *)length;
1746
1747	SvUPGRADE (scalar, SVt_PV); /* nop... */
1748		2065
1749	if (!(prot & PROT_WRITE))	2066	if (!(prot & PROT_WRITE))
1750	SvREADONLY_on (scalar);	2067	SvREADONLY_on (scalar);
1751		2068
1752	if (SvLEN (scalar))
1753	Safefree (SvPVX (scalar));
1754
1755	SvPVX (scalar) = (char *)addr;
1756	SvCUR_set (scalar, length);
1757	SvLEN_set (scalar, 0);
1758	SvPOK_only (scalar);
1759
1760	XSRETURN_YES;	2069	XSRETURN_YES;
1761	}	2070	}
1762		2071
1763	void	2072	void
1764	munmap (SV *scalar)	2073	munmap (SV *scalar)
1765	CODE:	2074	CODE:
1766	sv_unmagic (scalar, MMAP_MAGIC);	2075	sv_clear_foreign (scalar);
		2076
		2077	SV *
		2078	mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
		2079	CODE:
		2080	{
		2081	MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
		2082	void *new;
		2083
		2084	if (!mg || SvPVX (scalar) != mg->mg_ptr)
		2085	croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
		2086
		2087	new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
		2088
		2089	RETVAL = &PL_sv_no;
		2090
		2091	if (new != (void *)-1)
		2092	{
		2093	RETVAL = new == (void *)mg->mg_ptr
		2094	? newSVpvn ("0 but true", 10)
		2095	: &PL_sv_yes;
		2096
		2097	mg->mg_ptr = (char *)new;
		2098	mg->mg_obj = (SV *)new_length;
		2099
		2100	SvPVX (scalar) = mg->mg_ptr;
		2101	SvCUR_set (scalar, new_length);
		2102	}
		2103	}
		2104	OUTPUT:
		2105	RETVAL
1767		2106
1768	int	2107	int
1769	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)	2108	madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1770	ALIAS:	2109	ALIAS:
1771	mprotect = 1	2110	mprotect = 1
1772	CODE:	2111	CODE:
1773	{	2112	{
1774	STRLEN svlen;	2113	STRLEN svlen;
1775	void *addr = SvPVbyte (scalar, svlen);	2114	void *addr = SvPVbyte (scalar, svlen);
1776	size_t len = SvUV (length);	2115	STRLEN len = SvUV (length);
1777		2116
1778	if (offset < 0)	2117	if (offset < 0)
1779	offset += svlen;	2118	offset += svlen;
1780		2119
1781	if (offset < 0 || offset > svlen)	2120	if (offset < 0 || offset > svlen)
…		…
1795	}	2134	}
1796	OUTPUT:	2135	OUTPUT:
1797	RETVAL	2136	RETVAL
1798		2137
1799	int	2138	int
1800	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)	2139	munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
1801	CODE:	2140	CODE:
1802	{	2141	{
1803	STRLEN svlen;	2142	STRLEN svlen;
1804	void *addr = SvPVbyte (scalar, svlen);	2143	void *addr = SvPVbyte (scalar, svlen);
1805	size_t len = SvUV (length);	2144	size_t len = SvUV (length);
…		…
1861	#else	2200	#else
1862	RETVAL = EIO_ENOSYS ();	2201	RETVAL = EIO_ENOSYS ();
1863	#endif	2202	#endif
1864	OUTPUT:	2203	OUTPUT:
1865	RETVAL	2204	RETVAL
		2205
		2206	int
		2207	pipesize (aio_rfd rfh, int new_size = -1)
		2208	PROTOTYPE: $;$
		2209	CODE:
		2210	#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
		2211	if (new_size >= 0)
		2212	RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
		2213	else
		2214	RETVAL = fcntl (rfh, F_GETPIPE_SZ);
		2215	#else
		2216	errno = ENOSYS;
		2217	RETVAL = -1;
		2218	#endif
		2219	OUTPUT:
		2220	RETVAL
		2221
		2222	void
		2223	pipe2 (int flags = 0)
		2224	PROTOTYPE: ;$
		2225	PPCODE:
		2226	{
		2227	int fd[2];
		2228	int res;
		2229
		2230	if (flags)
		2231	#if HAVE_PIPE2
		2232	res = pipe2 (fd, flags);
		2233	#else
		2234	res = (errno = ENOSYS, -1);
		2235	#endif
		2236	else
		2237	res = pipe (fd);
		2238
		2239	if (!res)
		2240	{
		2241	EXTEND (SP, 2);
		2242	PUSHs (newmortalFH (fd[0], O_RDONLY));
		2243	PUSHs (newmortalFH (fd[1], O_WRONLY));
		2244	}
		2245	}
		2246
		2247	void
		2248	eventfd (unsigned int initval = 0, int flags = 0)
		2249	PPCODE:
		2250	{
		2251	int fd;
		2252	#if HAVE_EVENTFD
		2253	fd = eventfd (initval, flags);
		2254	#else
		2255	fd = (errno = ENOSYS, -1);
		2256	#endif
		2257
		2258	XPUSHs (newmortalFH (fd, O_RDWR));
		2259	}
		2260
		2261	void
		2262	timerfd_create (int clockid, int flags = 0)
		2263	PPCODE:
		2264	{
		2265	int fd;
		2266	#if HAVE_TIMERFD
		2267	fd = timerfd_create (clockid, flags);
		2268	#else
		2269	fd = (errno = ENOSYS, -1);
		2270	#endif
		2271
		2272	XPUSHs (newmortalFH (fd, O_RDWR));
		2273	}
		2274
		2275	void
		2276	timerfd_settime (SV *fh, int flags, NV interval, NV value)
		2277	PPCODE:
		2278	{
		2279	int fd = s_fileno_croak (fh, 0);
		2280	#if HAVE_TIMERFD
		2281	int res;
		2282	struct itimerspec its, ots;
		2283
		2284	ts_set (&its.it_interval, interval);
		2285	ts_set (&its.it_value , value);
		2286	res = timerfd_settime (fd, flags, &its, &ots);
		2287
		2288	if (!res)
		2289	{
		2290	EXTEND (SP, 2);
		2291	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2292	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2293	}
		2294	#else
		2295	errno = ENOSYS;
		2296	#endif
		2297	}
		2298
		2299	void
		2300	timerfd_gettime (SV *fh)
		2301	PPCODE:
		2302	{
		2303	int fd = s_fileno_croak (fh, 0);
		2304	#if HAVE_TIMERFD
		2305	int res;
		2306	struct itimerspec ots;
		2307	res = timerfd_gettime (fd, &ots);
		2308
		2309	if (!res)
		2310	{
		2311	EXTEND (SP, 2);
		2312	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2313	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2314	}
		2315	#else
		2316	errno = ENOSYS;
		2317	#endif
		2318	}
		2319
		2320	UV
		2321	get_fdlimit ()
		2322	CODE:
		2323	#if HAVE_RLIMITS
		2324	struct rlimit rl;
		2325	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2326	XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
		2327	#endif
		2328	XSRETURN_UNDEF;
		2329	OUTPUT:
		2330	RETVAL
		2331
		2332	void
		2333	min_fdlimit (UV limit = 0x7fffffffU)
		2334	CODE:
		2335	{
		2336	#if HAVE_RLIMITS
		2337	struct rlimit rl;
		2338	rlim_t orig_rlim_max;
		2339	UV bit;
		2340
		2341	if (0 != getrlimit (RLIMIT_NOFILE, &rl))
		2342	goto fail;
		2343
		2344	if (rl.rlim_cur == RLIM_INFINITY)
		2345	XSRETURN_YES;
		2346
		2347	orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
		2348
		2349	if (rl.rlim_cur < limit)
		2350	{
		2351	rl.rlim_cur = limit;
		2352
		2353	if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
		2354	rl.rlim_max = rl.rlim_cur;
		2355	}
		2356
		2357	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2358	XSRETURN_YES;
		2359
		2360	if (errno == EPERM)
		2361	{
		2362	/* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
		2363	/* our limit overflows a system-wide limit */
		2364	/* try an adaptive algorithm, but do not lower the hardlimit */
		2365	rl.rlim_max = 0;
		2366	for (bit = 0x40000000U; bit; bit >>= 1)
		2367	{
		2368	rl.rlim_max |= bit;
		2369	rl.rlim_cur = rl.rlim_max;
		2370
		2371	/* nevr decrease the hard limit */
		2372	if (rl.rlim_max < orig_rlim_max)
		2373	break;
		2374
		2375	if (0 != setrlimit (RLIMIT_NOFILE, &rl))
		2376	rl.rlim_max &= ~bit; /* too high, remove bit again */
		2377	}
		2378
		2379	/* now, raise the soft limit to the max permitted */
		2380	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2381	{
		2382	rl.rlim_cur = rl.rlim_max;
		2383	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2384	errno = EPERM;
		2385	}
		2386	}
		2387	#endif
		2388	fail:
		2389	XSRETURN_UNDEF;
		2390	}
1866		2391
1867	void _on_next_submit (SV *cb)	2392	void _on_next_submit (SV *cb)
1868	CODE:	2393	CODE:
1869	SvREFCNT_dec (on_next_submit);	2394	SvREFCNT_dec (on_next_submit);
1870	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	2395	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
…		…
1905	cancel (aio_req_ornot req)	2430	cancel (aio_req_ornot req)
1906	CODE:	2431	CODE:
1907	eio_cancel (req);	2432	eio_cancel (req);
1908		2433
1909	void	2434	void
1910	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	2435	cb (aio_req_ornot req, SV *callback = NO_INIT)
1911	PPCODE:	2436	PPCODE:
1912	{	2437	{
1913	if (GIMME_V != G_VOID)	2438	if (GIMME_V != G_VOID)
1914	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	2439	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1915		2440
1916	if (items > 1)	2441	if (items > 1)
1917	{	2442	{
1918	SV *cb_cv =get_cb (callback);	2443	SV *cb_cv = get_cb (callback);
1919		2444
1920	SvREFCNT_dec (req->callback);	2445	SvREFCNT_dec (req->callback);
1921	req->callback = SvREFCNT_inc (cb_cv);	2446	req->callback = SvREFCNT_inc (cb_cv);
1922	}	2447	}
1923	}	2448	}
…		…
1980	limit (aio_req grp, int limit)	2505	limit (aio_req grp, int limit)
1981	CODE:	2506	CODE:
1982	eio_grp_limit (grp, limit);	2507	eio_grp_limit (grp, limit);
1983		2508
1984	void	2509	void
1985	feed (aio_req grp, SV *callback=&PL_sv_undef)	2510	feed (aio_req grp, SV *callback = &PL_sv_undef)
1986	CODE:	2511	CODE:
1987	{	2512	{
1988	SvREFCNT_dec (grp->sv2);	2513	SvREFCNT_dec (grp->sv2);
1989	grp->sv2 = newSVsv (callback);	2514	grp->sv2 = newSVsv (callback);
1990	grp->feed = aio_grp_feed;	2515	grp->feed = aio_grp_feed;

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