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/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.227 by root, Sat Sep 7 23:18:23 2013 UTC vs.
Revision 1.289 by root, Mon Jan 4 22:19:06 2021 UTC

…		…
3	#include <errno.h>	3	#include <errno.h>
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	#include "perliol.h"
8		9
9	#include "schmorp.h"	10	#if !defined mg_findext
		11	# define mg_findext(sv,type,vtbl) mg_find (sv, type)
		12	#endif
10		13
11	#include <stddef.h>	14	#include <stddef.h>
12	#include <stdlib.h>	15	#include <stdlib.h>
13	#include <errno.h>	16	#include <errno.h>
14	#include <sys/types.h>	17	#include <sys/types.h>
		18	#include <sys/socket.h>
15	#include <sys/stat.h>	19	#include <sys/stat.h>
16	#include <limits.h>	20	#include <limits.h>
17	#include <fcntl.h>	21	#include <fcntl.h>
18	#include <sched.h>	22	#include <sched.h>
19		23
20	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES	24	/* the incompetent fool that created musl keeps __linux__, refuses
21	# include <sys/mman.h>	25	* to implement any linux standard apis, and also has no way to test
22	#endif	26	* for his broken iplementation. don't complain to me if this fails
23		27	* for you.
24	#if __linux__	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
27	# include <linux/types.h>	32	# include <linux/types.h>
28	# include <linux/fiemap.h>	33	# include <linux/fiemap.h>
29	# define HAVE_FIEMAP 1	34	# define HAVE_FIEMAP 1
…		…
70	#undef fchmod	75	#undef fchmod
71	#undef dup	76	#undef dup
72	#undef dup2	77	#undef dup2
73	#undef abort	78	#undef abort
74	#undef pipe	79	#undef pipe
		80	#undef utime
75		81
76	#define EIO_STRUCT_STAT struct _stati64	82	#define EIO_STRUCT_STAT struct _stati64
77	#define EIO_STRUCT_STATI64	83	#define EIO_STRUCT_STATI64
78		84
79	#else	85	#else
80		86
81	#include <sys/time.h>	87	#include <sys/time.h>
82	#include <sys/select.h>	88	#include <sys/select.h>
		89	#include <sys/wait.h>
83	#include <unistd.h>	90	#include <unistd.h>
84	#include <utime.h>	91	#include <utime.h>
85	#include <signal.h>	92	#include <signal.h>
86		93
87	#define EIO_STRUCT_STAT Stat_t	94	#define EIO_STRUCT_STAT Stat_t
…		…
98		105
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	/*****************************************************************************/
		110
		111	#include "config.h"
		112
		113	#if HAVE_SYS_MKDEV_H
		114	# include <sys/mkdev.h>
		115	#elif HAVE_SYS_SYSMACROS_H
		116	# include <sys/sysmacros.h>
		117	#endif
		118
		119	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
		120	# include <sys/mman.h>
		121	#endif
		122
		123	#if HAVE_SYS_UIO_H
		124	# include <sys/uio.h>
		125	#endif
		126
		127	#if HAVE_ST_XTIMENSEC
		128	# define ATIMENSEC PL_statcache.st_atimensec
		129	# define MTIMENSEC PL_statcache.st_mtimensec
		130	# define CTIMENSEC PL_statcache.st_ctimensec
		131	#elif HAVE_ST_XTIMESPEC
		132	# define ATIMENSEC PL_statcache.st_atim.tv_nsec
		133	# define MTIMENSEC PL_statcache.st_mtim.tv_nsec
		134	# define CTIMENSEC PL_statcache.st_ctim.tv_nsec
		135	#else
		136	# define ATIMENSEC 0
		137	# define MTIMENSEC 0
		138	# define CTIMENSEC 0
		139	#endif
		140
		141	#if HAVE_ST_BIRTHTIMENSEC
		142	# define BTIMESEC PL_statcache.st_birthtime
		143	# define BTIMENSEC PL_statcache.st_birthtimensec
		144	#elif HAVE_ST_BIRTHTIMESPEC
		145	# define BTIMESEC PL_statcache.st_birthtim.tv_sec
		146	# define BTIMENSEC PL_statcache.st_birthtim.tv_nsec
		147	#else
		148	# define BTIMESEC 0
		149	# define BTIMENSEC 0
		150	#endif
		151
		152	#if HAVE_ST_GEN
		153	# define ST_GEN PL_statcache.st_gen
		154	#else
		155	# define ST_GEN 0
		156	#endif
		157
		158	#include "schmorp.h"
		159
		160	#if HAVE_EVENTFD
		161	# include <sys/eventfd.h>
		162	#endif
		163
		164	#if HAVE_TIMERFD
		165	# include <sys/timerfd.h>
		166	#endif
		167
		168	#if HAVE_RLIMITS
		169	#include <sys/time.h>
		170	#include <sys/resource.h>
		171	#endif
103		172
104	typedef SV SV8; /* byte-sv, used for argument-checking */	173	typedef SV SV8; /* byte-sv, used for argument-checking */
105	typedef int aio_rfd; /* read file desriptor */	174	typedef int aio_rfd; /* read file desriptor */
106	typedef int aio_wfd; /* write file descriptor */	175	typedef int aio_wfd; /* write file descriptor */
107		176
…		…
114	STRLEN stroffset; \	183	STRLEN stroffset; \
115	SV *self;	184	SV *self;
116		185
117	#define EIO_NO_WRAPPERS 1	186	#define EIO_NO_WRAPPERS 1
118		187
119	#include "libeio/config.h"
120	#include "libeio/eio.h"	188	#include "libeio/eio.h"
121		189
122	static int req_invoke (eio_req *req);	190	static int req_invoke (eio_req *req);
123	#define EIO_FINISH(req) req_invoke (req)	191	#define EIO_FINISH(req) req_invoke (req)
124	static void req_destroy (eio_req *grp);	192	static void req_destroy (eio_req *grp);
…		…
140	# else	208	# else
141	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	209	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
142	# endif	210	# endif
143	#endif	211	#endif
144		212
145	/* defines all sorts of constants to 0 unless they are already defined */
146	#include "def0.h"
147
148	#ifndef makedev	213	#ifndef makedev
149	# define makedev(maj,min) (((maj) << 8) | (min))	214	# define makedev(maj,min) (((maj) << 8) | (min))
150	#endif	215	#endif
151	#ifndef major	216	#ifndef major
152	# define major(dev) ((dev) >> 8)	217	# define major(dev) ((dev) >> 8)
153	#endif	218	#endif
154	#ifndef minor	219	#ifndef minor
155	# define minor(dev) ((dev) & 0xff)	220	# define minor(dev) ((dev) & 0xff)
156	#endif	221	#endif
157		222
		223	/* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */
		224	#ifdef __sun
		225	# undef PAGESIZE
		226	#endif
		227
158	#if PAGESIZE <= 0	228	#if PAGESIZE <= 0
159	# define PAGESIZE sysconf (_SC_PAGESIZE)	229	# define PAGESIZE sysconf (_SC_PAGESIZE)
160	#endif	230	#endif
		231
		232	/* solaris perl seems to declare a wrong syscall function that clashes with system includes */
		233	#ifdef __sun
		234	# undef HAVE_SYSCALL
		235	#endif
		236
		237	#if HAVE_SYSCALL
		238	#include <sys/syscall.h>
		239	#else
		240	# define syscall(nr,...) (errno = ENOSYS, -1)
		241	#endif
		242
		243	/*****************************************************************************/
		244
		245	#if !_POSIX_MAPPED_FILES
		246	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
		247	# define munmap(addr,length) EIO_ENOSYS ()
		248	#endif
		249
		250	#if !_POSIX_MEMORY_PROTECTION
		251	# define mprotect(addr,len,prot) EIO_ENOSYS ()
		252	#endif
		253
		254	#if !MREMAP_MAYMOVE
		255	# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
		256	#endif
		257
		258	#define FOREIGN_MAGIC PERL_MAGIC_ext
		259
		260	static int ecb_cold
		261	mmap_free (pTHX_ SV *sv, MAGIC *mg)
		262	{
		263	int old_errno = errno;
		264	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		265	errno = old_errno;
		266
		267	mg->mg_obj = 0; /* just in case */
		268
		269	SvREADONLY_off (sv);
		270
		271	if (SvPVX (sv) != mg->mg_ptr)
		272	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		273
		274	SvCUR_set (sv, 0);
		275	SvPVX (sv) = 0;
		276	SvOK_off (sv);
		277
		278	return 0;
		279	}
		280
		281	static MGVTBL mmap_vtbl = {
		282	0, 0, 0, 0, mmap_free
		283	};
		284
		285	static int ecb_cold
		286	sysfree_free (pTHX_ SV *sv, MAGIC *mg)
		287	{
		288	free (mg->mg_ptr);
		289	mg->mg_obj = 0; /* just in case */
		290
		291	SvREADONLY_off (sv);
		292
		293	if (SvPVX (sv) != mg->mg_ptr)
		294	croak ("ERROR: IO::AIO mapped scalar changed location, detected");
		295
		296	SvCUR_set (sv, 0);
		297	SvPVX (sv) = 0;
		298	SvOK_off (sv);
		299
		300	return 0;
		301	}
		302
		303	static MGVTBL sysfree_vtbl = {
		304	0, 0, 0, 0, sysfree_free
		305	};
		306
		307	/*****************************************************************************/
		308
		309	/* helper: set scalar to foreign ptr with custom free */
		310	ecb_noinline
		311	static void
		312	sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
		313	{
		314	sv_force_normal (sv);
		315
		316	/* we store the length in mg_obj, as namlen is I32 :/ */
		317	sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
		318	->mg_obj = (SV *)length;
		319
		320	SvUPGRADE (sv, SVt_PV); /* nop... */
		321
		322	if (SvLEN (sv))
		323	Safefree (SvPVX (sv));
		324
		325	SvPVX (sv) = (char *)addr;
		326	SvCUR_set (sv, length);
		327	SvLEN_set (sv, 0);
		328	SvPOK_only (sv);
		329	}
		330
		331	static void
		332	sv_clear_foreign (SV *sv)
		333	{
		334	/* todo: iterate over magic and only free ours, but of course */
		335	/* the perl5porters will call that (correct) behaviour buggy */
		336	sv_unmagic (sv, FOREIGN_MAGIC);
		337	}
		338
		339	/*****************************************************************************/
		340
		341	/* defines all sorts of constants to 0 unless they are already defined */
		342	/* also provides const_iv_ and const_niv_ macros for them */
		343	#include "def0.h"
161		344
162	/*****************************************************************************/	345	/*****************************************************************************/
163		346
164	static void	347	static void
165	fiemap (eio_req *req)	348	fiemap (eio_req *req)
…		…
173	int count = req->int3;	356	int count = req->int3;
174		357
175	req->flags |= EIO_FLAG_PTR1_FREE;	358	req->flags |= EIO_FLAG_PTR1_FREE;
176		359
177	/* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */	360	/* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
178	/* increase in 3.5kb steps */	361	/* increase in fixed steps */
179	if (count < 0)	362	if (count < 0)
180	count = 8;	363	count = 8;
181		364
182	fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);	365	fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
183	errno = ENOMEM;	366	errno = ENOMEM;
…		…
236		419
237	for (count = 0; count < incmap->fm_mapped_extents; ++count)	420	for (count = 0; count < incmap->fm_mapped_extents; ++count)
238	{	421	{
239	struct fiemap_extent *e = incmap->fm_extents + count;	422	struct fiemap_extent *e = incmap->fm_extents + count;
240		423
		424	fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
		425
241	if (e->fe_logical + e->fe_length >= end_offset)	426	if (e->fe_logical >= end_offset)
242	goto done;	427	goto done;
243
244	fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
245		428
246	if (e->fe_flags & FIEMAP_EXTENT_LAST)	429	if (e->fe_flags & FIEMAP_EXTENT_LAST)
247	goto done;	430	goto done;
248		431
249	}	432	}
…		…
256	errno = ENOSYS;	439	errno = ENOSYS;
257	#endif	440	#endif
258	}	441	}
259		442
260	/*****************************************************************************/	443	/*****************************************************************************/
		444
		445	static int close_fd; /* dummy fd to close fds via dup2 */
		446
		447	#if HAVE_STATX
		448	static struct statx stx;
		449	#define statx_offsetof(member) offsetof (struct statx, member)
		450	#define eio__statx statx
		451	#else
		452	#define statx_offsetof(member) 0
		453	#define eio__statx(dir,path,flags,mask,stx) EIO_ENOSYS()
		454	#endif
261		455
262	enum {	456	enum {
263	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	457	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
264	};	458	};
265		459
…		…
289	/* read any signals sent by the worker threads */	483	/* read any signals sent by the worker threads */
290	s_epipe_drain (&respipe);	484	s_epipe_drain (&respipe);
291	}	485	}
292		486
293	/* must be called at most once */	487	/* must be called at most once */
		488	ecb_noinline
294	static SV *	489	static SV *
295	req_sv (aio_req req, HV *stash)	490	req_sv (aio_req req, HV *stash)
296	{	491	{
297	if (!req->self)	492	if (!req->self)
298	{	493	{
…		…
304	}	499	}
305		500
306	static SV *	501	static SV *
307	newSVaio_wd (aio_wd wd)	502	newSVaio_wd (aio_wd wd)
308	{	503	{
309	return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash);	504	return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
310	}	505	}
311		506
		507	ecb_noinline
312	static aio_req	508	static aio_req
313	SvAIO_REQ (SV *sv)	509	SvAIO_REQ (SV *sv)
314	{	510	{
315	MAGIC *mg;	511	MAGIC *mg;
316		512
…		…
333	|| SvTYPE (SvRV (sv)) != SVt_PVMG	529	|| SvTYPE (SvRV (sv)) != SVt_PVMG
334	|| SvSTASH (SvRV (sv)) != aio_wd_stash)	530	|| SvSTASH (SvRV (sv)) != aio_wd_stash)
335	croak ("IO::AIO: expected a working directory object as returned by aio_wd");	531	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
336		532
337	return (aio_wd)(long)SvIVX (SvRV (sv));	533	return (aio_wd)(long)SvIVX (SvRV (sv));
		534	}
		535
		536	static SV *
		537	newmortalFH (int fd, int flags)
		538	{
		539	if (fd < 0)
		540	return &PL_sv_undef;
		541
		542	GV *gv = (GV *)sv_newmortal ();
		543	char sym[64];
		544	int symlen;
		545
		546	symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
		547	gv_init (gv, aio_stash, sym, symlen, 0);
		548
		549	symlen = snprintf (
		550	sym,
		551	sizeof (sym),
		552	"%s&=%d",
		553	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
		554	fd
		555	);
		556
		557	return do_open (gv, sym, symlen, 0, 0, 0, 0)
		558	? (SV *)gv : &PL_sv_undef;
338	}	559	}
339		560
340	static void	561	static void
341	aio_grp_feed (aio_req grp)	562	aio_grp_feed (aio_req grp)
342	{	563	{
…		…
354	FREETMPS;	575	FREETMPS;
355	LEAVE;	576	LEAVE;
356	}	577	}
357	}	578	}
358		579
		580	ecb_noinline
359	static void	581	static void
360	req_submit (eio_req *req)	582	req_submit (eio_req *req)
361	{	583	{
362	eio_submit (req);	584	eio_submit (req);
363		585
…		…
470	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));	692	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
471	}	693	}
472	break;	694	break;
473		695
474	case EIO_OPEN:	696	case EIO_OPEN:
475	{	697	PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
476	/* convert fd to fh */
477	SV *fh = &PL_sv_undef;
478
479	if (req->result >= 0)
480	{
481	GV *gv = (GV *)sv_newmortal ();
482	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
483	char sym [64];
484	int symlen;
485
486	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
487	gv_init (gv, aio_stash, sym, symlen, 0);
488
489	symlen = snprintf (
490	sym,
491	sizeof (sym),
492	"%s&=%d",
493	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
494	(int)req->result
495	);
496
497	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
498	fh = (SV *)gv;
499	}
500
501	PUSHs (fh);
502	}
503	break;	698	break;
504		699
505	case EIO_STATVFS:	700	case EIO_STATVFS:
506	case EIO_FSTATVFS:	701	case EIO_FSTATVFS:
507	{	702	{
…		…
587	SvSETMAGIC (req->sv2);	782	SvSETMAGIC (req->sv2);
588	PUSHs (sv_result);	783	PUSHs (sv_result);
589	}	784	}
590	break;	785	break;
591		786
		787	case EIO_SLURP:
		788	{
		789	if (req->result >= 0)
		790	{
		791	/* if length was originally not known, we steal the malloc'ed memory */
		792	if (req->flags & EIO_FLAG_PTR2_FREE)
		793	{
		794	req->flags &= ~EIO_FLAG_PTR2_FREE;
		795	sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
		796	}
		797	else
		798	{
		799	SvCUR_set (req->sv2, req->result);
		800	*SvEND (req->sv2) = 0;
		801	SvPOK_only (req->sv2);
		802	}
		803
		804	SvSETMAGIC (req->sv2);
		805	}
		806
		807	PUSHs (sv_result);
		808	}
		809	break;
		810
592	case EIO_CUSTOM:	811	case EIO_CUSTOM:
593	if (req->feed == fiemap)	812	if (req->feed == fiemap)
594	{	813	{
595	#if HAVE_FIEMAP	814	#if HAVE_FIEMAP
596	if (!req->result)	815	if (!req->result)
…		…
627	}	846	}
628	else	847	else
629	PUSHs (sv_result);	848	PUSHs (sv_result);
630	break;	849	break;
631		850
		851	#if 0
		852	case EIO_CLOSE:
		853	PerlIOUnix_refcnt_dec (req->int1);
		854	break;
		855	#endif
		856
632	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */	857	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
633	if (req->result > 0)	858	if (req->result > 0)
634	SvIV_set (sv_result, 0);	859	SvIV_set (sv_result, 0);
635	/* FALLTHROUGH */	860	/* FALLTHROUGH */
636		861
…		…
687	grp->sv2 = 0;	912	grp->sv2 = 0;
688		913
689	eio_grp_cancel (grp);	914	eio_grp_cancel (grp);
690	}	915	}
691		916
692	static void ecb_cold	917	ecb_cold
		918	static void
693	create_respipe (void)	919	create_respipe (void)
694	{	920	{
695	if (s_epipe_renew (&respipe))	921	if (s_epipe_renew (&respipe))
696	croak ("IO::AIO: unable to initialize result pipe");	922	croak ("IO::AIO: unable to initialize result pipe");
697	}	923	}
…		…
701	{	927	{
702	while (eio_nreqs ())	928	while (eio_nreqs ())
703	{	929	{
704	int size;	930	int size;
705		931
706	X_LOCK (reslock);	932	X_LOCK (EIO_POOL->reslock);
707	size = res_queue.size;	933	size = EIO_POOL->res_queue.size;
708	X_UNLOCK (reslock);	934	X_UNLOCK (EIO_POOL->reslock);
709		935
710	if (size)	936	if (size)
711	return;	937	return;
712		938
713	etp_maybe_start_thread ();	939	etp_maybe_start_thread (EIO_POOL);
714		940
715	s_epipe_wait (&respipe);	941	s_epipe_wait (&respipe);
716	}	942	}
717	}	943	}
718		944
…		…
731		957
732	poll_wait ();	958	poll_wait ();
733	}	959	}
734	}	960	}
735		961
736	static void ecb_cold	962	ecb_cold
		963	static void
737	reinit (void)	964	reinit (void)
738	{	965	{
739	create_respipe ();	966	create_respipe ();
740		967
741	if (eio_init (want_poll, done_poll) < 0)	968	if (eio_init (want_poll, done_poll) < 0)
742	croak ("IO::AIO: unable to initialise eio library");	969	croak ("IO::AIO: unable to initialise eio library");
743	}	970	}
744		971
745	/*****************************************************************************/	972	/*****************************************************************************/
746		973
747	#if !_POSIX_MAPPED_FILES
748	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
749	# define munmap(addr,length) EIO_ENOSYS ()
750	#endif
751
752	#if !_POSIX_MEMORY_PROTECTION
753	# define mprotect(addr,len,prot) EIO_ENOSYS ()
754	# define PROT_NONE 0
755	# define PROT_WRITE 0
756	# define MAP_PRIVATE 0
757	# define MAP_SHARED 0
758	# define MAP_FIXED 0
759	#endif
760
761	#define MMAP_MAGIC PERL_MAGIC_ext
762
763	static int ecb_cold
764	mmap_free (pTHX_ SV *sv, MAGIC *mg)
765	{
766	int old_errno = errno;
767	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
768	errno = old_errno;
769
770	mg->mg_obj = 0; /* just in case */
771
772	SvREADONLY_off (sv);
773
774	if (SvPVX (sv) != mg->mg_ptr)
775	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
776
777	SvCUR_set (sv, 0);
778	SvPVX (sv) = 0;
779	SvOK_off (sv);
780
781	return 0;
782	}
783
784	static MGVTBL mmap_vtbl = {
785	0, 0, 0, 0, mmap_free
786	};
787
788	/*****************************************************************************/
789
790	static SV *	974	static SV *
791	get_cb (SV *cb_sv)	975	get_cb (SV *cb_sv)
792	{	976	{
793	SvGETMAGIC (cb_sv);	977	SvGETMAGIC (cb_sv);
794	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	978	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
795	}	979	}
796		980
		981	ecb_noinline
797	static aio_req ecb_noinline	982	static aio_req ecb_noinline
798	dreq (SV *callback)	983	dreq (SV *callback)
799	{	984	{
800	SV *cb_cv;	985	SV *cb_cv;
801	aio_req req;	986	aio_req req;
…		…
823	SPAGAIN; \	1008	SPAGAIN; \
824	\	1009	\
825	if (GIMME_V != G_VOID) \	1010	if (GIMME_V != G_VOID) \
826	XPUSHs (req_sv (req, aio_req_stash));	1011	XPUSHs (req_sv (req, aio_req_stash));
827		1012
		1013	/* *wdsv, *pathsv, *wd and *ptr must be 0-initialized */
828	ecb_inline void	1014	ecb_inline
		1015	void
829	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)	1016	req_set_path (SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
830	{	1017	{
831	if (expect_false (SvROK (path)))	1018	if (expect_false (SvROK (path)))
832	{	1019	{
833	SV *rv = SvRV (path);	1020	SV *rv = SvRV (path);
834	SV *wdob;	1021	SV *wdob;
…		…
859		1046
860	*pathsv = newSVsv (path);	1047	*pathsv = newSVsv (path);
861	*ptr = SvPVbyte_nolen (*pathsv);	1048	*ptr = SvPVbyte_nolen (*pathsv);
862	}	1049	}
863		1050
864	static void ecb_noinline	1051	ecb_noinline
		1052	static void
865	req_set_path1 (aio_req req, SV *path)	1053	req_set_path1 (aio_req req, SV *path)
866	{	1054	{
867	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);	1055	req_set_path (path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
868	}	1056	}
869		1057
870	static void ecb_noinline	1058	ecb_noinline
		1059	static void
871	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)	1060	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
872	{	1061	{
873	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;	1062	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
874		1063
875	switch (SvTYPE (rv))	1064	switch (SvTYPE (rv))
…		…
887	req_set_path1 (req, fh_or_path);	1076	req_set_path1 (req, fh_or_path);
888	break;	1077	break;
889	}	1078	}
890	}	1079	}
891		1080
		1081	/*****************************************************************************/
		1082
		1083	static void
		1084	ts_set (struct timespec *ts, NV value)
		1085	{
		1086	ts->tv_sec = value;
		1087	ts->tv_nsec = (value - ts->tv_sec) * 1e9;
		1088	}
		1089
		1090	static NV
		1091	ts_get (const struct timespec *ts)
		1092	{
		1093	return ts->tv_sec + ts->tv_nsec * 1e-9;
		1094	}
		1095
		1096	/*****************************************************************************/
		1097
892	XS(boot_IO__AIO) ecb_cold;	1098	XS(boot_IO__AIO) ecb_cold;
893		1099
894	MODULE = IO::AIO PACKAGE = IO::AIO	1100	MODULE = IO::AIO PACKAGE = IO::AIO
895		1101
896	PROTOTYPES: ENABLE	1102	PROTOTYPES: ENABLE
…		…
903	} *civ, const_iv[] = {	1109	} *civ, const_iv[] = {
904	# define const_niv(name, value) { # name, (IV) value },	1110	# define const_niv(name, value) { # name, (IV) value },
905	# define const_iv(name) { # name, (IV) name },	1111	# define const_iv(name) { # name, (IV) name },
906	# define const_eio(name) { # name, (IV) EIO_ ## name },	1112	# define const_eio(name) { # name, (IV) EIO_ ## name },
907		1113
908	/* you have to re-run ./gendef0 after adding/Removing any constants here */	1114	/* you have to re-run ./gendef0 after adding/removing any constants here */
909		1115	/* the first block can be undef if missing */
910	const_iv (ENOSYS)	1116	const_iv (ENOSYS)
911	const_iv (EXDEV)	1117	const_iv (EXDEV)
912	const_iv (EBADR)	1118	const_iv (EBADR)
		1119
		1120	/* for lseek */
		1121	const_iv (SEEK_DATA)
		1122	const_iv (SEEK_HOLE)
		1123
		1124	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
		1125	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		1126	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
		1127	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		1128	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		1129	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		1130
		1131	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		1132	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		1133	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		1134	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		1135	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		1136
		1137	/* the second block will be 0 when missing */
		1138	const_iv (O_ACCMODE)
913		1139
914	const_iv (O_RDONLY)	1140	const_iv (O_RDONLY)
915	const_iv (O_WRONLY)	1141	const_iv (O_WRONLY)
916	const_iv (O_RDWR)	1142	const_iv (O_RDWR)
917	const_iv (O_CREAT)	1143	const_iv (O_CREAT)
…		…
931	const_iv (O_SEARCH)	1157	const_iv (O_SEARCH)
932	const_iv (O_DIRECTORY)	1158	const_iv (O_DIRECTORY)
933	const_iv (O_DSYNC)	1159	const_iv (O_DSYNC)
934	const_iv (O_RSYNC)	1160	const_iv (O_RSYNC)
935	const_iv (O_SYNC)	1161	const_iv (O_SYNC)
		1162	const_iv (O_PATH)
		1163	const_iv (O_TMPFILE)
936	const_iv (O_TTY_INIT)	1164	const_iv (O_TTY_INIT)
937		1165
938	const_iv (S_IFIFO)	1166	const_iv (S_IFIFO)
939	const_iv (S_IFCHR)	1167	const_iv (S_IFCHR)
940	const_iv (S_IFBLK)	1168	const_iv (S_IFBLK)
…		…
942	const_iv (S_IFREG)	1170	const_iv (S_IFREG)
943	const_iv (S_IFDIR)	1171	const_iv (S_IFDIR)
944	const_iv (S_IFWHT)	1172	const_iv (S_IFWHT)
945	const_iv (S_IFSOCK)	1173	const_iv (S_IFSOCK)
946	const_iv (S_IFMT)	1174	const_iv (S_IFMT)
947
948	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
949	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
950	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
951	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
952	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
953	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
954
955	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
956	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
957	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
958	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
959	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
960		1175
961	const_iv (ST_RDONLY)	1176	const_iv (ST_RDONLY)
962	const_iv (ST_NOSUID)	1177	const_iv (ST_NOSUID)
963	const_iv (ST_NODEV)	1178	const_iv (ST_NODEV)
964	const_iv (ST_NOEXEC)	1179	const_iv (ST_NOEXEC)
…		…
974	const_iv (PROT_NONE)	1189	const_iv (PROT_NONE)
975	const_iv (PROT_EXEC)	1190	const_iv (PROT_EXEC)
976	const_iv (PROT_READ)	1191	const_iv (PROT_READ)
977	const_iv (PROT_WRITE)	1192	const_iv (PROT_WRITE)
978		1193
979	/*const_iv (MAP_FIXED)*/
980	const_iv (MAP_PRIVATE)	1194	const_iv (MAP_PRIVATE)
981	const_iv (MAP_SHARED)	1195	const_iv (MAP_SHARED)
		1196	const_iv (MAP_FIXED)
982	const_iv (MAP_ANONYMOUS)	1197	const_iv (MAP_ANONYMOUS)
983		1198
984	/* linuxish */	1199	/* linuxish */
985	const_iv (MAP_HUGETLB)
986	const_iv (MAP_LOCKED)	1200	const_iv (MAP_LOCKED)
987	const_iv (MAP_NORESERVE)	1201	const_iv (MAP_NORESERVE)
988	const_iv (MAP_POPULATE)	1202	const_iv (MAP_POPULATE)
989	const_iv (MAP_NONBLOCK)	1203	const_iv (MAP_NONBLOCK)
		1204	const_iv (MAP_GROWSDOWN)
		1205	const_iv (MAP_32BIT)
		1206	const_iv (MAP_HUGETLB)
		1207	const_iv (MAP_STACK)
		1208
		1209	const_iv (MREMAP_MAYMOVE)
		1210	const_iv (MREMAP_FIXED)
		1211
		1212	const_iv (MSG_CMSG_CLOEXEC)
		1213	const_iv (SOCK_CLOEXEC)
		1214
		1215	const_iv (F_DUPFD_CLOEXEC)
		1216
		1217	const_iv (F_ADD_SEALS)
		1218	const_iv (F_GET_SEALS)
		1219	const_iv (F_SEAL_SEAL)
		1220	const_iv (F_SEAL_SHRINK)
		1221	const_iv (F_SEAL_GROW)
		1222	const_iv (F_SEAL_WRITE)
		1223
		1224	const_iv (F_OFD_GETLK)
		1225	const_iv (F_OFD_SETLK)
		1226	const_iv (F_OFD_GETLKW)
		1227
		1228	const_iv (FIFREEZE)
		1229	const_iv (FITHAW)
		1230	const_iv (FITRIM)
		1231	const_iv (FICLONE)
		1232	const_iv (FICLONERANGE)
		1233	const_iv (FIDEDUPERANGE)
		1234
		1235	const_iv (FS_IOC_GETFLAGS)
		1236	const_iv (FS_IOC_SETFLAGS)
		1237	const_iv (FS_IOC_GETVERSION)
		1238	const_iv (FS_IOC_SETVERSION)
		1239	const_iv (FS_IOC_FIEMAP)
		1240	const_iv (FS_IOC_FSGETXATTR)
		1241	const_iv (FS_IOC_FSSETXATTR)
		1242	const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
		1243	const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
		1244	const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
		1245
		1246	const_iv (FS_KEY_DESCRIPTOR_SIZE)
		1247
		1248	const_iv (FS_SECRM_FL)
		1249	const_iv (FS_UNRM_FL)
		1250	const_iv (FS_COMPR_FL)
		1251	const_iv (FS_SYNC_FL)
		1252	const_iv (FS_IMMUTABLE_FL)
		1253	const_iv (FS_APPEND_FL)
		1254	const_iv (FS_NODUMP_FL)
		1255	const_iv (FS_NOATIME_FL)
		1256	const_iv (FS_DIRTY_FL)
		1257	const_iv (FS_COMPRBLK_FL)
		1258	const_iv (FS_NOCOMP_FL)
		1259	const_iv (FS_ENCRYPT_FL)
		1260	const_iv (FS_BTREE_FL)
		1261	const_iv (FS_INDEX_FL)
		1262	const_iv (FS_JOURNAL_DATA_FL)
		1263	const_iv (FS_NOTAIL_FL)
		1264	const_iv (FS_DIRSYNC_FL)
		1265	const_iv (FS_TOPDIR_FL)
		1266	const_iv (FS_FL_USER_MODIFIABLE)
		1267
		1268	const_iv (FS_XFLAG_REALTIME)
		1269	const_iv (FS_XFLAG_PREALLOC)
		1270	const_iv (FS_XFLAG_IMMUTABLE)
		1271	const_iv (FS_XFLAG_APPEND)
		1272	const_iv (FS_XFLAG_SYNC)
		1273	const_iv (FS_XFLAG_NOATIME)
		1274	const_iv (FS_XFLAG_NODUMP)
		1275	const_iv (FS_XFLAG_RTINHERIT)
		1276	const_iv (FS_XFLAG_PROJINHERIT)
		1277	const_iv (FS_XFLAG_NOSYMLINKS)
		1278	const_iv (FS_XFLAG_EXTSIZE)
		1279	const_iv (FS_XFLAG_EXTSZINHERIT)
		1280	const_iv (FS_XFLAG_NODEFRAG)
		1281	const_iv (FS_XFLAG_FILESTREAM)
		1282	const_iv (FS_XFLAG_DAX)
		1283	const_iv (FS_XFLAG_HASATTR)
990		1284
991	const_iv (FIEMAP_FLAG_SYNC)	1285	const_iv (FIEMAP_FLAG_SYNC)
992	const_iv (FIEMAP_FLAG_XATTR)	1286	const_iv (FIEMAP_FLAG_XATTR)
993	const_iv (FIEMAP_FLAGS_COMPAT)	1287	const_iv (FIEMAP_FLAGS_COMPAT)
994	const_iv (FIEMAP_EXTENT_LAST)	1288	const_iv (FIEMAP_EXTENT_LAST)
…		…
1006	const_iv (SPLICE_F_MOVE)	1300	const_iv (SPLICE_F_MOVE)
1007	const_iv (SPLICE_F_NONBLOCK)	1301	const_iv (SPLICE_F_NONBLOCK)
1008	const_iv (SPLICE_F_MORE)	1302	const_iv (SPLICE_F_MORE)
1009	const_iv (SPLICE_F_GIFT)	1303	const_iv (SPLICE_F_GIFT)
1010		1304
		1305	const_iv (EFD_CLOEXEC)
		1306	const_iv (EFD_NONBLOCK)
		1307	const_iv (EFD_SEMAPHORE)
		1308
		1309	const_iv (MFD_CLOEXEC)
		1310	const_iv (MFD_ALLOW_SEALING)
		1311	const_iv (MFD_HUGETLB)
		1312
		1313	const_iv (CLOCK_REALTIME)
		1314	const_iv (CLOCK_MONOTONIC)
		1315	const_iv (CLOCK_BOOTTIME)
		1316	const_iv (CLOCK_REALTIME_ALARM)
		1317	const_iv (CLOCK_BOOTTIME_ALARM)
		1318
		1319	const_iv (TFD_NONBLOCK)
		1320	const_iv (TFD_CLOEXEC)
		1321
		1322	const_iv (TFD_TIMER_ABSTIME)
		1323	const_iv (TFD_TIMER_CANCEL_ON_SET)
		1324
		1325	const_iv (STATX_TYPE)
		1326	const_iv (STATX_MODE)
		1327	const_iv (STATX_NLINK)
		1328	const_iv (STATX_UID)
		1329	const_iv (STATX_GID)
		1330	const_iv (STATX_ATIME)
		1331	const_iv (STATX_MTIME)
		1332	const_iv (STATX_CTIME)
		1333	const_iv (STATX_INO)
		1334	const_iv (STATX_SIZE)
		1335	const_iv (STATX_BLOCKS)
		1336	const_iv (STATX_BASIC_STATS)
1011	const_iv (SEEK_DATA)	1337	const_iv (STATX_ALL)
		1338	const_iv (STATX_BTIME)
		1339	const_iv (STATX_ATTR_COMPRESSED)
		1340	const_iv (STATX_ATTR_IMMUTABLE)
		1341	const_iv (STATX_ATTR_APPEND)
		1342	const_iv (STATX_ATTR_NODUMP)
		1343	const_iv (STATX_ATTR_ENCRYPTED)
		1344	const_iv (STATX_ATTR_AUTOMOUNT)
		1345
		1346	const_iv (AT_FDCWD)
		1347	const_iv (AT_SYMLINK_NOFOLLOW)
		1348	const_iv (AT_EACCESS)
		1349	const_iv (AT_REMOVEDIR)
		1350	const_iv (AT_SYMLINK_FOLLOW)
		1351	const_iv (AT_NO_AUTOMOUNT)
		1352	const_iv (AT_EMPTY_PATH)
		1353	const_iv (AT_STATX_SYNC_TYPE)
		1354	const_iv (AT_STATX_AS_STAT)
		1355	const_iv (AT_STATX_FORCE_SYNC)
		1356	const_iv (AT_STATX_DONT_SYNC)
		1357	const_iv (AT_RECURSIVE)
		1358
		1359	const_iv (OPEN_TREE_CLONE)
		1360
		1361	const_iv (FSOPEN_CLOEXEC)
		1362
		1363	const_iv (FSPICK_CLOEXEC)
		1364	const_iv (FSPICK_SYMLINK_NOFOLLOW)
		1365	const_iv (FSPICK_NO_AUTOMOUNT)
		1366	const_iv (FSPICK_EMPTY_PATH)
		1367
		1368	const_iv (MOVE_MOUNT_F_SYMLINKS)
		1369	const_iv (MOVE_MOUNT_F_AUTOMOUNTS)
		1370	const_iv (MOVE_MOUNT_F_EMPTY_PATH)
		1371	const_iv (MOVE_MOUNT_T_SYMLINKS)
		1372	const_iv (MOVE_MOUNT_T_AUTOMOUNTS)
		1373	const_iv (MOVE_MOUNT_T_EMPTY_PATH)
		1374
		1375	/* waitid */
		1376	const_iv (P_PID)
		1377	const_iv (P_PIDFD)
		1378	const_iv (P_PGID)
1012	const_iv (SEEK_HOLE)	1379	const_iv (P_ALL)
1013		1380
1014	/* libeio constants */	1381	const_iv (FSCONFIG_SET_FLAG)
		1382	const_iv (FSCONFIG_SET_STRING)
		1383	const_iv (FSCONFIG_SET_BINARY)
		1384	const_iv (FSCONFIG_SET_PATH)
		1385	const_iv (FSCONFIG_SET_PATH_EMPTY)
		1386	const_iv (FSCONFIG_SET_FD)
		1387	const_iv (FSCONFIG_CMD_CREATE)
		1388	const_iv (FSCONFIG_CMD_RECONFIGURE)
		1389
		1390	const_iv (MOUNT_ATTR_RDONLY)
		1391	const_iv (MOUNT_ATTR_NOSUID)
		1392	const_iv (MOUNT_ATTR_NODEV)
		1393	const_iv (MOUNT_ATTR_NOEXEC)
		1394	const_iv (MOUNT_ATTR__ATIME)
		1395	const_iv (MOUNT_ATTR_RELATIME)
		1396	const_iv (MOUNT_ATTR_NOATIME)
		1397	const_iv (MOUNT_ATTR_STRICTATIME)
		1398	const_iv (MOUNT_ATTR_NODIRATIME)
		1399
		1400	/* these are libeio constants, and are independent of gendef0 */
1015	const_eio (SEEK_SET)	1401	const_eio (SEEK_SET)
1016	const_eio (SEEK_CUR)	1402	const_eio (SEEK_CUR)
1017	const_eio (SEEK_END)	1403	const_eio (SEEK_END)
1018		1404
1019	const_eio (MCL_FUTURE)	1405	const_eio (MCL_FUTURE)
1020	const_eio (MCL_CURRENT)	1406	const_eio (MCL_CURRENT)
		1407	const_eio (MCL_ONFAULT)
1021		1408
1022	const_eio (MS_ASYNC)	1409	const_eio (MS_ASYNC)
1023	const_eio (MS_INVALIDATE)	1410	const_eio (MS_INVALIDATE)
1024	const_eio (MS_SYNC)	1411	const_eio (MS_SYNC)
1025		1412
…		…
1029	const_eio (SYNC_FILE_RANGE_WRITE)	1416	const_eio (SYNC_FILE_RANGE_WRITE)
1030	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1417	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1031		1418
1032	const_eio (FALLOC_FL_KEEP_SIZE)	1419	const_eio (FALLOC_FL_KEEP_SIZE)
1033	const_eio (FALLOC_FL_PUNCH_HOLE)	1420	const_eio (FALLOC_FL_PUNCH_HOLE)
		1421	const_eio (FALLOC_FL_COLLAPSE_RANGE)
		1422	const_eio (FALLOC_FL_ZERO_RANGE)
		1423	const_eio (FALLOC_FL_INSERT_RANGE)
		1424	const_eio (FALLOC_FL_UNSHARE_RANGE)
		1425
		1426	const_eio (RENAME_NOREPLACE)
		1427	const_eio (RENAME_EXCHANGE)
		1428	const_eio (RENAME_WHITEOUT)
1034		1429
1035	const_eio (READDIR_DENTS)	1430	const_eio (READDIR_DENTS)
1036	const_eio (READDIR_DIRS_FIRST)	1431	const_eio (READDIR_DIRS_FIRST)
1037	const_eio (READDIR_STAT_ORDER)	1432	const_eio (READDIR_STAT_ORDER)
1038	const_eio (READDIR_FOUND_UNKNOWN)	1433	const_eio (READDIR_FOUND_UNKNOWN)
…		…
1056	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)	1451	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
1057	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));	1452	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
1058		1453
1059	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1454	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
1060		1455
		1456	/* allocate dummy pipe fd for aio_close */
		1457	{
		1458	int pipefd [2];
		1459
		1460	if (
		1461	#ifdef _WIN32
		1462	_pipe (pipefd, 1, _O_BINARY) < 0
		1463	#else
		1464	pipe (pipefd) < 0
		1465	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1466	#endif
		1467	|| close (pipefd [1]) < 0
		1468	)
		1469	croak ("IO::AIO: unable to create dummy pipe for aio_close");
		1470
		1471	close_fd = pipefd [0];
		1472	}
		1473
1061	reinit ();	1474	reinit ();
1062	}	1475	}
1063		1476
1064	void	1477	void
1065	reinit ()	1478	reinit ()
…		…
1106	PROTOTYPE: $	1519	PROTOTYPE: $
1107	CODE:	1520	CODE:
1108	max_outstanding = maxreqs;	1521	max_outstanding = maxreqs;
1109		1522
1110	void	1523	void
1111	aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)	1524	aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
1112	PPCODE:	1525	PPCODE:
1113	{	1526	{
1114	dREQ;	1527	dREQ;
1115		1528
1116	req->type = EIO_WD_OPEN;	1529	req->type = EIO_WD_OPEN;
…		…
1118		1531
1119	REQ_SEND;	1532	REQ_SEND;
1120	}	1533	}
1121		1534
1122	void	1535	void
1123	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1536	aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1124	PPCODE:	1537	PPCODE:
1125	{	1538	{
1126	dREQ;	1539	dREQ;
1127		1540
1128	req->type = EIO_OPEN;	1541	req->type = EIO_OPEN;
…		…
1132		1545
1133	REQ_SEND;	1546	REQ_SEND;
1134	}	1547	}
1135		1548
1136	void	1549	void
1137	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1550	aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
1138	ALIAS:	1551	ALIAS:
1139	aio_fsync = EIO_FSYNC	1552	aio_fsync = EIO_FSYNC
1140	aio_fdatasync = EIO_FDATASYNC	1553	aio_fdatasync = EIO_FDATASYNC
1141	aio_syncfs = EIO_SYNCFS	1554	aio_syncfs = EIO_SYNCFS
1142	PPCODE:	1555	PPCODE:
…		…
1150		1563
1151	REQ_SEND;	1564	REQ_SEND;
1152	}	1565	}
1153		1566
1154	void	1567	void
1155	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1568	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
1156	PPCODE:	1569	PPCODE:
1157	{	1570	{
1158	int fd = s_fileno_croak (fh, 0);	1571	int fd = s_fileno_croak (fh, 0);
1159	dREQ;	1572	dREQ;
1160		1573
…		…
1167		1580
1168	REQ_SEND;	1581	REQ_SEND;
1169	}	1582	}
1170		1583
1171	void	1584	void
1172	aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)	1585	aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
1173	PPCODE:	1586	PPCODE:
1174	{	1587	{
1175	int fd = s_fileno_croak (fh, 0);	1588	int fd = s_fileno_croak (fh, 0);
1176	dREQ;	1589	dREQ;
1177		1590
…		…
1184		1597
1185	REQ_SEND;	1598	REQ_SEND;
1186	}	1599	}
1187		1600
1188	void	1601	void
1189	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1602	aio_close (SV *fh, SV *callback = &PL_sv_undef)
1190	PPCODE:	1603	PPCODE:
1191	{	1604	{
1192	static int close_fd = -1; /* dummy fd to close fds via dup2 */
1193	int fd = s_fileno_croak (fh, 0);	1605	int fd = s_fileno_croak (fh, 0);
1194	dREQ;	1606	dREQ;
		1607	#if 0
		1608	/* partially duplicate logic in s_fileno */
		1609	SvGETMAGIC (fh);
1195		1610
1196	if (expect_false (close_fd < 0))	1611	if (SvROK (fh))
		1612	{
		1613	fh = SvRV (fh);
		1614	SvGETMAGIC (fh);
		1615	}
		1616
		1617	if (SvTYPE (fh) == SVt_PVGV)
1197	{	1618	{
1198	int pipefd [2];	1619	/* perl filehandle */
		1620	PerlIOUnix_refcnt_inc (fd);
		1621	do_close ((GV *)fh, 1);
1199		1622
1200	if (	1623	req->type = EIO_CLOSE;
1201	#ifdef _WIN32	1624	req->int1 = fd;
1202	_pipe (pipefd, 1, _O_BINARY) < 0	1625	/*req->sv2 = newSVsv (fh);*/ /* since we stole the fd, no need to keep the fh */
1203	#else
1204	pipe (pipefd) < 0
1205	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1206	#endif
1207	|| close (pipefd [1]) < 0
1208	)
1209	abort (); /*D*/
1210
1211	close_fd = pipefd [0];
1212	}	1626	}
1213		1627	else
		1628	#endif
		1629	{
		1630	/* fd number */
1214	req->type = EIO_DUP2;	1631	req->type = EIO_DUP2;
1215	req->int1 = close_fd;	1632	req->int1 = close_fd;
1216	req->sv2 = newSVsv (fh);	1633	req->sv2 = newSVsv (fh);
1217	req->int2 = fd;	1634	req->int2 = fd;
		1635	}
1218		1636
1219	REQ_SEND;	1637	REQ_SEND;
1220	}	1638	}
1221		1639
1222	void	1640	void
1223	aio_seek (SV *fh, SV *offset, int whence, SV *callback=&PL_sv_undef)	1641	aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1224	PPCODE:	1642	PPCODE:
1225	{	1643	{
1226	int fd = s_fileno_croak (fh, 0);	1644	int fd = s_fileno_croak (fh, 0);
1227	dREQ;	1645	dREQ;
1228		1646
…		…
1234		1652
1235	REQ_SEND;	1653	REQ_SEND;
1236	}	1654	}
1237		1655
1238	void	1656	void
1239	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1657	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
1240	ALIAS:	1658	ALIAS:
1241	aio_read = EIO_READ	1659	aio_read = EIO_READ
1242	aio_write = EIO_WRITE	1660	aio_write = EIO_WRITE
1243	PPCODE:	1661	PPCODE:
1244	{	1662	{
…		…
1260	len = svlen - dataoffset;	1678	len = svlen - dataoffset;
1261	}	1679	}
1262	else	1680	else
1263	{	1681	{
1264	/* read: check type and grow scalar as necessary */	1682	/* read: check type and grow scalar as necessary */
1265	SvUPGRADE (data, SVt_PV);
1266	if (SvLEN (data) >= SvCUR (data))	1683	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1267	svptr = SvGROW (data, len + dataoffset + 1);	1684	svptr = sv_grow (data, len + dataoffset + 1);
1268	else if (SvCUR (data) < len + dataoffset)	1685	else if (SvCUR (data) < len + dataoffset)
1269	croak ("length + dataoffset outside of scalar, and cannot grow");	1686	croak ("length + dataoffset outside of scalar, and cannot grow");
1270	}	1687	}
1271		1688
1272	{	1689	{
…		…
1290	REQ_SEND;	1707	REQ_SEND;
1291	}	1708	}
1292	}	1709	}
1293		1710
1294	void	1711	void
		1712	aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
		1713	ALIAS:
		1714	aio_ioctl = EIO_IOCTL
		1715	aio_fcntl = EIO_FCNTL
		1716	PPCODE:
		1717	{
		1718	int fd = s_fileno_croak (fh, 0);
		1719	char *svptr;
		1720
		1721	if (SvPOK (arg) || !SvNIOK (arg))
		1722	{
		1723	STRLEN svlen;
		1724	/* perl uses IOCPARM_LEN for fcntl, so we do, too */
		1725	#ifdef IOCPARM_LEN
		1726	STRLEN need = IOCPARM_LEN (request);
		1727	#else
		1728	STRLEN need = 256;
		1729	#endif
		1730
		1731	if (svlen < need)
		1732	svptr = SvGROW (arg, need);
		1733	}
		1734	else
		1735	svptr = (char *)SvIV (arg);
		1736
		1737	{
		1738	dREQ;
		1739
		1740	req->type = ix;
		1741	req->sv1 = newSVsv (fh);
		1742	req->int1 = fd;
		1743	req->int2 = (long)request;
		1744	req->sv2 = SvREFCNT_inc (arg);
		1745	req->ptr2 = svptr;
		1746
		1747	REQ_SEND;
		1748	}
		1749	}
		1750
		1751	void
1295	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1752	aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1296	ALIAS:	1753	ALIAS:
1297	aio_readlink = EIO_READLINK	1754	aio_readlink = EIO_READLINK
1298	aio_realpath = EIO_REALPATH	1755	aio_realpath = EIO_REALPATH
1299	PPCODE:	1756	PPCODE:
1300	{	1757	{
…		…
1305		1762
1306	REQ_SEND;	1763	REQ_SEND;
1307	}	1764	}
1308		1765
1309	void	1766	void
1310	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1767	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1311	PPCODE:	1768	PPCODE:
1312	{	1769	{
1313	int ifd = s_fileno_croak (in_fh , 0);	1770	int ifd = s_fileno_croak (in_fh , 0);
1314	int ofd = s_fileno_croak (out_fh, 1);	1771	int ofd = s_fileno_croak (out_fh, 1);
1315	dREQ;	1772	dREQ;
…		…
1324		1781
1325	REQ_SEND;	1782	REQ_SEND;
1326	}	1783	}
1327		1784
1328	void	1785	void
1329	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1786	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1330	PPCODE:	1787	PPCODE:
1331	{	1788	{
1332	int fd = s_fileno_croak (fh, 0);	1789	int fd = s_fileno_croak (fh, 0);
1333	dREQ;	1790	dREQ;
1334		1791
…		…
1340		1797
1341	REQ_SEND;	1798	REQ_SEND;
1342	}	1799	}
1343		1800
1344	void	1801	void
1345	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1802	aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1346	ALIAS:	1803	ALIAS:
1347	aio_stat = EIO_STAT	1804	aio_stat = EIO_STAT
1348	aio_lstat = EIO_LSTAT	1805	aio_lstat = EIO_LSTAT
1349	aio_statvfs = EIO_STATVFS	1806	aio_statvfs = EIO_STATVFS
1350	PPCODE:	1807	PPCODE:
…		…
1353		1810
1354	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);	1811	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1355		1812
1356	REQ_SEND;	1813	REQ_SEND;
1357	}	1814	}
		1815
		1816	void
		1817	st_xtime ()
		1818	ALIAS:
		1819	st_atime = 0x01
		1820	st_mtime = 0x02
		1821	st_ctime = 0x04
		1822	st_btime = 0x08
		1823	st_xtime = 0x0f
		1824	PPCODE:
		1825	EXTEND (SP, 4);
		1826	if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
		1827	if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
		1828	if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
		1829	if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
		1830
		1831	void
		1832	st_xtimensec ()
		1833	ALIAS:
		1834	st_atimensec = 0x01
		1835	st_mtimensec = 0x02
		1836	st_ctimensec = 0x04
		1837	st_btimensec = 0x08
		1838	st_xtimensec = 0x0f
		1839	st_btimesec = 0x10
		1840	st_gen = 0x20
		1841	PPCODE:
		1842	EXTEND (SP, 4);
		1843	if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
		1844	if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
		1845	if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
		1846	if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
		1847	if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
		1848	if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
1358		1849
1359	UV	1850	UV
1360	major (UV dev)	1851	major (UV dev)
1361	ALIAS:	1852	ALIAS:
1362	minor = 1	1853	minor = 1
1363	CODE:	1854	CODE:
1364	RETVAL = ix ? major (dev) : minor (dev);	1855	RETVAL = ix ? minor (dev) : major (dev);
1365	OUTPUT:	1856	OUTPUT:
1366	RETVAL	1857	RETVAL
1367		1858
1368	UV	1859	UV
1369	makedev (UV maj, UV min)	1860	makedev (UV maj, UV min)
…		…
1371	RETVAL = makedev (maj, min);	1862	RETVAL = makedev (maj, min);
1372	OUTPUT:	1863	OUTPUT:
1373	RETVAL	1864	RETVAL
1374		1865
1375	void	1866	void
1376	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1867	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1377	PPCODE:	1868	PPCODE:
1378	{	1869	{
1379	dREQ;	1870	dREQ;
1380		1871
1381	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1872	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
…		…
1384		1875
1385	REQ_SEND;	1876	REQ_SEND;
1386	}	1877	}
1387		1878
1388	void	1879	void
1389	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1880	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1390	PPCODE:	1881	PPCODE:
1391	{	1882	{
1392	dREQ;	1883	dREQ;
1393		1884
1394	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1885	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
…		…
1396		1887
1397	REQ_SEND;	1888	REQ_SEND;
1398	}	1889	}
1399		1890
1400	void	1891	void
1401	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1892	aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1402	PPCODE:	1893	PPCODE:
1403	{	1894	{
1404	dREQ;	1895	dREQ;
1405		1896
1406	req->int2 = mode;	1897	req->int2 = mode;
…		…
1408		1899
1409	REQ_SEND;	1900	REQ_SEND;
1410	}	1901	}
1411		1902
1412	void	1903	void
1413	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef)	1904	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1414	PPCODE:	1905	PPCODE:
1415	{	1906	{
1416	dREQ;	1907	dREQ;
1417		1908
1418	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1909	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
…		…
1421		1912
1422	REQ_SEND;	1913	REQ_SEND;
1423	}	1914	}
1424		1915
1425	void	1916	void
1426	aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)	1917	aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1427	PPCODE:	1918	PPCODE:
1428	{	1919	{
1429	dREQ;	1920	dREQ;
1430		1921
1431	req->type = EIO_READDIR;	1922	req->type = EIO_READDIR;
…		…
1438		1929
1439	REQ_SEND;	1930	REQ_SEND;
1440	}	1931	}
1441		1932
1442	void	1933	void
1443	aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef)	1934	aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1444	PPCODE:	1935	PPCODE:
1445	{	1936	{
1446	dREQ;	1937	dREQ;
1447		1938
1448	req->type = EIO_MKDIR;	1939	req->type = EIO_MKDIR;
…		…
1451		1942
1452	REQ_SEND;	1943	REQ_SEND;
1453	}	1944	}
1454		1945
1455	void	1946	void
1456	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1947	aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1457	ALIAS:	1948	ALIAS:
1458	aio_unlink = EIO_UNLINK	1949	aio_unlink = EIO_UNLINK
1459	aio_rmdir = EIO_RMDIR	1950	aio_rmdir = EIO_RMDIR
1460	aio_readdir = EIO_READDIR	1951	aio_readdir = EIO_READDIR
1461	PPCODE:	1952	PPCODE:
…		…
1467		1958
1468	REQ_SEND;	1959	REQ_SEND;
1469	}	1960	}
1470		1961
1471	void	1962	void
1472	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef)	1963	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1473	ALIAS:	1964	ALIAS:
1474	aio_link = EIO_LINK	1965	aio_link = EIO_LINK
1475	aio_symlink = EIO_SYMLINK	1966	aio_symlink = EIO_SYMLINK
1476	aio_rename = EIO_RENAME	1967	aio_rename = EIO_RENAME
1477	PPCODE:	1968	PPCODE:
…		…
1479	eio_wd wd2 = 0;	1970	eio_wd wd2 = 0;
1480	dREQ;	1971	dREQ;
1481		1972
1482	req->type = ix;	1973	req->type = ix;
1483	req_set_path1 (req, oldpath);	1974	req_set_path1 (req, oldpath);
1484	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);	1975	req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1485	req->int3 = (long)wd2;	1976	req->int3 = (long)wd2;
1486		1977
1487	REQ_SEND;	1978	REQ_SEND;
1488	}	1979	}
1489		1980
1490	void	1981	void
		1982	aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
		1983	PPCODE:
		1984	{
		1985	eio_wd wd2 = 0;
		1986	dREQ;
		1987
		1988	req->type = EIO_RENAME;
		1989	req_set_path1 (req, oldpath);
		1990	req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
		1991	req->int2 = flags;
		1992	req->int3 = (long)wd2;
		1993
		1994	REQ_SEND;
		1995	}
		1996
		1997	void
1491	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef)	1998	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1492	PPCODE:	1999	PPCODE:
1493	{	2000	{
1494	dREQ;	2001	dREQ;
1495		2002
1496	req->type = EIO_MKNOD;	2003	req->type = EIO_MKNOD;
…		…
1500		2007
1501	REQ_SEND;	2008	REQ_SEND;
1502	}	2009	}
1503		2010
1504	void	2011	void
1505	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	2012	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1506	ALIAS:	2013	ALIAS:
1507	aio_mtouch = EIO_MTOUCH	2014	aio_mtouch = EIO_MTOUCH
1508	aio_msync = EIO_MSYNC	2015	aio_msync = EIO_MSYNC
1509	PPCODE:	2016	PPCODE:
1510	{	2017	{
1511	STRLEN svlen;	2018	STRLEN svlen;
1512	char *svptr = SvPVbyte (data, svlen);	2019	char *svptr = SvPVbyte (data, svlen);
1513	UV len = SvUV (length);	2020	UV len = SvUV (length);
		2021
		2022	if (flags < 0)
		2023	flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1514		2024
1515	if (offset < 0)	2025	if (offset < 0)
1516	offset += svlen;	2026	offset += svlen;
1517		2027
1518	if (offset < 0 || offset > svlen)	2028	if (offset < 0 || offset > svlen)
…		…
1533	REQ_SEND;	2043	REQ_SEND;
1534	}	2044	}
1535	}	2045	}
1536		2046
1537	void	2047	void
1538	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)	2048	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1539	PPCODE:	2049	PPCODE:
1540	{	2050	{
1541	STRLEN svlen;	2051	STRLEN svlen;
1542	char *svptr = SvPVbyte (data, svlen);	2052	char *svptr = SvPVbyte (data, svlen);
1543	UV len = SvUV (length);	2053	UV len = SvUV (length);
…		…
1562	REQ_SEND;	2072	REQ_SEND;
1563	}	2073	}
1564	}	2074	}
1565		2075
1566	void	2076	void
1567	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)	2077	aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1568	PPCODE:	2078	PPCODE:
1569	{	2079	{
1570	dREQ;	2080	dREQ;
1571		2081
1572	req->type = EIO_MLOCKALL;	2082	req->type = EIO_MLOCKALL;
…		…
1574		2084
1575	REQ_SEND;	2085	REQ_SEND;
1576	}	2086	}
1577		2087
1578	void	2088	void
1579	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback=&PL_sv_undef)	2089	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
1580	PPCODE:	2090	PPCODE:
1581	{	2091	{
1582	int fd = s_fileno_croak (fh, 0);	2092	int fd = s_fileno_croak (fh, 0);
1583	dREQ;	2093	dREQ;
1584		2094
…		…
1597		2107
1598	REQ_SEND;	2108	REQ_SEND;
1599	}	2109	}
1600		2110
1601	void	2111	void
		2112	aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
		2113	PPCODE:
		2114	{
		2115	char *svptr = 0;
		2116
		2117	sv_clear_foreign (data);
		2118
		2119	if (length) /* known length, directly read into scalar */
		2120	{
		2121	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
		2122	svptr = sv_grow (data, length + 1);
		2123	else if (SvCUR (data) < length)
		2124	croak ("length outside of scalar, and cannot grow");
		2125	else
		2126	svptr = SvPVbyte_nolen (data);
		2127	}
		2128
		2129	{
		2130	dREQ;
		2131
		2132	req->type = EIO_SLURP;
		2133	req_set_path1 (req, pathname);
		2134	req->offs = offset;
		2135	req->size = length;
		2136	req->sv2 = SvREFCNT_inc (data);
		2137	req->ptr2 = svptr;
		2138
		2139	if (!SvREADONLY (data))
		2140	{
		2141	SvREADONLY_on (data);
		2142	req->flags |= FLAG_SV2_RO_OFF;
		2143	}
		2144
		2145	REQ_SEND;
		2146	}
		2147	}
		2148
		2149	void
1602	aio_busy (double delay, SV *callback=&PL_sv_undef)	2150	aio_busy (double delay, SV *callback = &PL_sv_undef)
1603	PPCODE:	2151	PPCODE:
1604	{	2152	{
1605	dREQ;	2153	dREQ;
1606		2154
1607	req->type = EIO_BUSY;	2155	req->type = EIO_BUSY;
…		…
1609		2157
1610	REQ_SEND;	2158	REQ_SEND;
1611	}	2159	}
1612		2160
1613	void	2161	void
1614	aio_group (SV *callback=&PL_sv_undef)	2162	aio_group (SV *callback = &PL_sv_undef)
1615	PPCODE:	2163	PPCODE:
1616	{	2164	{
1617	dREQ;	2165	dREQ;
1618		2166
1619	req->type = EIO_GROUP;	2167	req->type = EIO_GROUP;
1620		2168
		2169	PUTBACK;
1621	req_submit (req);	2170	req_submit (req);
		2171	SPAGAIN;
		2172
1622	XPUSHs (req_sv (req, aio_grp_stash));	2173	XPUSHs (req_sv (req, aio_grp_stash));
1623	}	2174	}
1624		2175
1625	void	2176	void
1626	aio_nop (SV *callback=&PL_sv_undef)	2177	aio_nop (SV *callback = &PL_sv_undef)
1627	ALIAS:	2178	ALIAS:
1628	aio_nop = EIO_NOP	2179	aio_nop = EIO_NOP
1629	aio_sync = EIO_SYNC	2180	aio_sync = EIO_SYNC
1630	PPCODE:	2181	PPCODE:
1631	{	2182	{
…		…
1635		2186
1636	REQ_SEND;	2187	REQ_SEND;
1637	}	2188	}
1638		2189
1639	int	2190	int
1640	aioreq_pri (int pri = 0)	2191	aioreq_pri (int pri = NO_INIT)
1641	CODE:	2192	CODE:
1642	RETVAL = next_pri;	2193	RETVAL = next_pri;
1643	if (items > 0)	2194	if (items > 0)
1644	{	2195	{
1645	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	2196	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1735	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	2286	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1736	OUTPUT:	2287	OUTPUT:
1737	RETVAL	2288	RETVAL
1738		2289
1739	void	2290	void
1740	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)	2291	mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1741	PPCODE:	2292	PPCODE:
1742	sv_unmagic (scalar, MMAP_MAGIC);	2293	sv_clear_foreign (scalar);
1743	{	2294	{
1744	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	2295	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1745	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	2296	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1746	if (addr == (void *)-1)	2297	if (addr == (void *)-1)
1747	XSRETURN_NO;	2298	XSRETURN_NO;
1748		2299
1749	sv_force_normal (scalar);	2300	sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1750
1751	/* we store the length in mg_obj, as namlen is I32 :/ */
1752	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1753	->mg_obj = (SV *)length;
1754
1755	SvUPGRADE (scalar, SVt_PV); /* nop... */
1756		2301
1757	if (!(prot & PROT_WRITE))	2302	if (!(prot & PROT_WRITE))
1758	SvREADONLY_on (scalar);	2303	SvREADONLY_on (scalar);
1759		2304
1760	if (SvLEN (scalar))
1761	Safefree (SvPVX (scalar));
1762
1763	SvPVX (scalar) = (char *)addr;
1764	SvCUR_set (scalar, length);
1765	SvLEN_set (scalar, 0);
1766	SvPOK_only (scalar);
1767
1768	XSRETURN_YES;	2305	XSRETURN_YES;
1769	}	2306	}
1770		2307
1771	void	2308	void
1772	munmap (SV *scalar)	2309	munmap (SV *scalar)
1773	CODE:	2310	CODE:
1774	sv_unmagic (scalar, MMAP_MAGIC);	2311	sv_clear_foreign (scalar);
		2312
		2313	SV *
		2314	mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
		2315	CODE:
		2316	{
		2317	MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
		2318	void *new;
		2319
		2320	if (!mg || SvPVX (scalar) != mg->mg_ptr)
		2321	croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
		2322
		2323	new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
		2324
		2325	RETVAL = &PL_sv_no;
		2326
		2327	if (new != (void *)-1)
		2328	{
		2329	RETVAL = new == (void *)mg->mg_ptr
		2330	? newSVpvn ("0 but true", 10)
		2331	: &PL_sv_yes;
		2332
		2333	mg->mg_ptr = (char *)new;
		2334	mg->mg_obj = (SV *)new_length;
		2335
		2336	SvPVX (scalar) = mg->mg_ptr;
		2337	SvCUR_set (scalar, new_length);
		2338	}
		2339	}
		2340	OUTPUT:
		2341	RETVAL
1775		2342
1776	int	2343	int
1777	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)	2344	madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1778	ALIAS:	2345	ALIAS:
1779	mprotect = 1	2346	mprotect = 1
1780	CODE:	2347	CODE:
1781	{	2348	{
1782	STRLEN svlen;	2349	STRLEN svlen;
1783	void *addr = SvPVbyte (scalar, svlen);	2350	void *addr = SvPVbyte (scalar, svlen);
1784	size_t len = SvUV (length);	2351	STRLEN len = SvUV (length);
1785		2352
1786	if (offset < 0)	2353	if (offset < 0)
1787	offset += svlen;	2354	offset += svlen;
1788		2355
1789	if (offset < 0 || offset > svlen)	2356	if (offset < 0 || offset > svlen)
…		…
1803	}	2370	}
1804	OUTPUT:	2371	OUTPUT:
1805	RETVAL	2372	RETVAL
1806		2373
1807	int	2374	int
1808	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)	2375	munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
1809	CODE:	2376	CODE:
1810	{	2377	{
1811	STRLEN svlen;	2378	STRLEN svlen;
1812	void *addr = SvPVbyte (scalar, svlen);	2379	void *addr = SvPVbyte (scalar, svlen);
1813	size_t len = SvUV (length);	2380	size_t len = SvUV (length);
…		…
1828	#else	2395	#else
1829	RETVAL = EIO_ENOSYS ();	2396	RETVAL = EIO_ENOSYS ();
1830	#endif	2397	#endif
1831	}	2398	}
1832	OUTPUT:	2399	OUTPUT:
		2400	RETVAL
		2401
		2402	int
		2403	mlockall (int flags)
		2404	PROTOTYPE: $;
		2405	CODE:
		2406	RETVAL = eio_mlockall_sync (flags);
		2407	OUTPUT:
1833	RETVAL	2408	RETVAL
1834		2409
1835	int	2410	int
1836	munlockall ()	2411	munlockall ()
1837	CODE:	2412	CODE:
…		…
1842	#endif	2417	#endif
1843	OUTPUT:	2418	OUTPUT:
1844	RETVAL	2419	RETVAL
1845		2420
1846	int	2421	int
		2422	statx (SV8 *pathname, int flags, UV mask)
		2423	CODE:
		2424	{
		2425	/* undocumented, and might go away, and anyway, should use eio_statx */
		2426	SV *wdsv = 0;
		2427	SV *pathsv = 0;
		2428	eio_wd wd = EIO_CWD;
		2429	void *ptr;
		2430	int res;
		2431
		2432	req_set_path (pathname, &wdsv, &pathsv, &wd, &ptr);
		2433	RETVAL = eio__statx (!wd || wd->fd == EIO_CWD ? AT_FDCWD : wd->fd, ptr, flags, mask & STATX_ALL, &stx);
		2434
		2435	SvREFCNT_dec (pathsv);
		2436	SvREFCNT_dec (wdsv);
		2437	}
		2438	OUTPUT:
		2439	RETVAL
		2440
		2441	U32
		2442	stx_mode ()
		2443	PROTOTYPE:
		2444	CODE:
		2445	#if HAVE_STATX
		2446	RETVAL = stx.stx_mode;
		2447	#else
		2448	XSRETURN_UNDEF;
		2449	#endif
		2450	OUTPUT:
		2451	RETVAL
		2452
		2453	#define STATX_OFFSET_mask statx_offsetof (stx_mask)
		2454	#define STATX_OFFSET_blksize statx_offsetof (stx_blksize)
		2455	#define STATX_OFFSET_nlink statx_offsetof (stx_nlink)
		2456	#define STATX_OFFSET_uid statx_offsetof (stx_uid)
		2457	#define STATX_OFFSET_gid statx_offsetof (stx_gid)
		2458	#define STATX_OFFSET_rdev_major statx_offsetof (stx_rdev_major)
		2459	#define STATX_OFFSET_rdev_minor statx_offsetof (stx_rdev_minor)
		2460	#define STATX_OFFSET_dev_major statx_offsetof (stx_dev_major)
		2461	#define STATX_OFFSET_dev_minor statx_offsetof (stx_dev_minor)
		2462	#define STATX_OFFSET_attributes statx_offsetof (stx_attributes)
		2463	#define STATX_OFFSET_ino statx_offsetof (stx_ino)
		2464	#define STATX_OFFSET_size statx_offsetof (stx_size)
		2465	#define STATX_OFFSET_blocks statx_offsetof (stx_blocks)
		2466	#define STATX_OFFSET_attributes_mask statx_offsetof (stx_attributes_mask)
		2467	#define STATX_OFFSET_atime statx_offsetof (stx_atime)
		2468	#define STATX_OFFSET_btime statx_offsetof (stx_btime)
		2469	#define STATX_OFFSET_ctime statx_offsetof (stx_ctime)
		2470	#define STATX_OFFSET_mtime statx_offsetof (stx_mtime)
		2471
		2472	U32
		2473	stx_mask ()
		2474	PROTOTYPE:
		2475	ALIAS:
		2476	stx_mask = STATX_OFFSET_mask
		2477	stx_blksize = STATX_OFFSET_blksize
		2478	stx_nlink = STATX_OFFSET_nlink
		2479	stx_uid = STATX_OFFSET_uid
		2480	stx_gid = STATX_OFFSET_gid
		2481	stx_rdev_major = STATX_OFFSET_rdev_major
		2482	stx_rdev_minor = STATX_OFFSET_rdev_minor
		2483	stx_dev_major = STATX_OFFSET_dev_major
		2484	stx_dev_minor = STATX_OFFSET_dev_minor
		2485	CODE:
		2486	#if HAVE_STATX
		2487	RETVAL = *(__u32 *)((char *)&stx + ix);
		2488	#else
		2489	XSRETURN_UNDEF;
		2490	#endif
		2491	OUTPUT:
		2492	RETVAL
		2493
		2494	VAL64
		2495	stx_attributes ()
		2496	PROTOTYPE:
		2497	ALIAS:
		2498	stx_attributes = STATX_OFFSET_attributes
		2499	stx_ino = STATX_OFFSET_ino
		2500	stx_size = STATX_OFFSET_size
		2501	stx_blocks = STATX_OFFSET_blocks
		2502	stx_attributes_mask = STATX_OFFSET_attributes_mask
		2503	CODE:
		2504	#if HAVE_STATX
		2505	RETVAL = *(__u64 *)((char *)&stx + ix);
		2506	#else
		2507	XSRETURN_UNDEF;
		2508	#endif
		2509	OUTPUT:
		2510	RETVAL
		2511
		2512	NV
		2513	stx_atime ()
		2514	PROTOTYPE:
		2515	ALIAS:
		2516	stx_atime = STATX_OFFSET_atime
		2517	stx_btime = STATX_OFFSET_btime
		2518	stx_ctime = STATX_OFFSET_ctime
		2519	stx_mtime = STATX_OFFSET_mtime
		2520	CODE:
		2521	#if HAVE_STATX
		2522	struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
		2523	RETVAL = ts->tv_sec + ts->tv_nsec * 1e-9;
		2524	#else
		2525	XSRETURN_UNDEF;
		2526	#endif
		2527	OUTPUT:
		2528	RETVAL
		2529
		2530	VAL64
		2531	stx_atimesec ()
		2532	PROTOTYPE:
		2533	ALIAS:
		2534	stx_atimesec = STATX_OFFSET_atime
		2535	stx_btimesec = STATX_OFFSET_btime
		2536	stx_ctimesec = STATX_OFFSET_ctime
		2537	stx_mtimesec = STATX_OFFSET_mtime
		2538	CODE:
		2539	#if HAVE_STATX
		2540	struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
		2541	RETVAL = ts->tv_sec;
		2542	#else
		2543	XSRETURN_UNDEF;
		2544	#endif
		2545	OUTPUT:
		2546	RETVAL
		2547
		2548	U32
		2549	stx_atimensec ()
		2550	PROTOTYPE:
		2551	ALIAS:
		2552	stx_atimensec = STATX_OFFSET_atime
		2553	stx_btimensec = STATX_OFFSET_btime
		2554	stx_ctimensec = STATX_OFFSET_ctime
		2555	stx_mtimensec = STATX_OFFSET_mtime
		2556	CODE:
		2557	#if HAVE_STATX
		2558	struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
		2559	RETVAL = ts->tv_nsec;
		2560	#else
		2561	RETVAL = 0;
		2562	#endif
		2563	OUTPUT:
		2564	RETVAL
		2565
		2566	void
		2567	accept4 (aio_rfd rfh, SV *sockaddr, int salen, int flags)
		2568	PPCODE:
		2569	{
		2570	SV *retval;
		2571	#if HAVE_ACCEPT4
		2572	socklen_t salen_ = salen ? salen + 1 : 0;
		2573
		2574	if (salen)
		2575	{
		2576	sv_upgrade (sockaddr, SVt_PV);
		2577	sv_grow (sockaddr, salen_);
		2578	}
		2579
		2580	int res = accept4 (rfh, salen ? (struct sockaddr *)SvPVX (sockaddr) : 0, salen ? &salen_ : 0, flags);
		2581
		2582	retval = newmortalFH (res, O_RDWR);
		2583
		2584	if (res >= 0 && salen > 0)
		2585	{
		2586	if (salen_ > salen + 1)
		2587	salen_ = salen + 1;
		2588
		2589	SvPOK_only (sockaddr);
		2590	SvCUR_set (sockaddr, salen_);
		2591	}
		2592	#else
		2593	errno = ENOSYS;
		2594	retval = &PL_sv_undef;
		2595	#endif
		2596	XPUSHs (retval);
		2597	}
		2598
		2599	ssize_t
1847	splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)	2600	splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
1848	CODE:	2601	CODE:
1849	{	2602	{
1850	#if HAVE_LINUX_SPLICE	2603	#if HAVE_LINUX_SPLICE
1851	loff_t off_in_, off_out_;	2604	loff_t off_in_, off_out_;
…		…
1859	#endif	2612	#endif
1860	}	2613	}
1861	OUTPUT:	2614	OUTPUT:
1862	RETVAL	2615	RETVAL
1863		2616
1864	int	2617	ssize_t
1865	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)	2618	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
1866	CODE:	2619	CODE:
1867	#if HAVE_LINUX_SPLICE	2620	#if HAVE_LINUX_SPLICE
1868	RETVAL = tee (rfh, wfh, length, flags);	2621	RETVAL = tee (rfh, wfh, length, flags);
1869	#else	2622	#else
…		…
1885	errno = ENOSYS;	2638	errno = ENOSYS;
1886	RETVAL = -1;	2639	RETVAL = -1;
1887	#endif	2640	#endif
1888	OUTPUT:	2641	OUTPUT:
1889	RETVAL	2642	RETVAL
		2643
		2644	void
		2645	pipe2 (int flags = 0)
		2646	PROTOTYPE: ;$
		2647	PPCODE:
		2648	{
		2649	int fd[2];
		2650	int res;
		2651
		2652	if (flags)
		2653	#if HAVE_PIPE2
		2654	res = pipe2 (fd, flags);
		2655	#else
		2656	res = (errno = ENOSYS, -1);
		2657	#endif
		2658	else
		2659	res = pipe (fd);
		2660
		2661	if (!res)
		2662	{
		2663	EXTEND (SP, 2);
		2664	PUSHs (newmortalFH (fd[0], O_RDONLY));
		2665	PUSHs (newmortalFH (fd[1], O_WRONLY));
		2666	}
		2667	}
		2668
		2669	void
		2670	pidfd_open (int pid, unsigned int flags = 0)
		2671	PPCODE:
		2672	{
		2673	/*GENDEF0_SYSCALL(pidfd_open,434)*/
		2674	int fd = syscall (SYS_pidfd_open, pid, flags);
		2675	XPUSHs (newmortalFH (fd, O_RDWR));
		2676	}
		2677
		2678	int
		2679	pidfd_send_signal (SV *pidfh, int sig, SV *siginfo = &PL_sv_undef, unsigned int flags = 0)
		2680	PPCODE:
		2681	{
		2682	int res;
		2683	siginfo_t si = { 0 };
		2684
		2685	if (SvOK (siginfo))
		2686	{
		2687	HV *hv;
		2688	SV **svp;
		2689
		2690	if (!SvROK (siginfo) || SvTYPE (SvRV (siginfo)) != SVt_PVHV)
		2691	croak ("siginfo argument must be a hashref code, pid, uid and value_int or value_ptr members, caught");
		2692
		2693	hv = (HV *)SvRV (siginfo);
		2694
		2695	if ((svp = hv_fetchs (hv, "code" , 0))) si.si_code = SvIV (*svp);
		2696	if ((svp = hv_fetchs (hv, "pid" , 0))) si.si_pid = SvIV (*svp);
		2697	if ((svp = hv_fetchs (hv, "uid" , 0))) si.si_uid = SvIV (*svp);
		2698	if ((svp = hv_fetchs (hv, "value_int", 0))) si.si_value.sival_int = SvIV (*svp);
		2699	if ((svp = hv_fetchs (hv, "value_ptr", 0))) si.si_value.sival_ptr = (void *)SvIV (*svp);
		2700	}
		2701
		2702	/*GENDEF0_SYSCALL(pidfd_send_signal,424)*/
		2703	res = syscall (SYS_pidfd_send_signal, s_fileno_croak (pidfh, 0), sig, SvOK (siginfo) ? &si : 0, flags);
		2704
		2705	XPUSHs (sv_2mortal (newSViv (res)));
		2706	}
		2707
		2708	void
		2709	pidfd_getfd (SV *pidfh, int targetfd, unsigned int flags = 0)
		2710	PPCODE:
		2711	{
		2712	/*GENDEF0_SYSCALL(pidfd_getfd,438)*/
		2713	int fd = syscall (SYS_pidfd_getfd, s_fileno_croak (pidfh, 0), targetfd, flags);
		2714	XPUSHs (newmortalFH (fd, O_RDWR));
		2715	}
		2716
		2717	void
		2718	eventfd (unsigned int initval = 0, int flags = 0)
		2719	PPCODE:
		2720	{
		2721	int fd;
		2722	#if HAVE_EVENTFD
		2723	fd = eventfd (initval, flags);
		2724	#else
		2725	fd = (errno = ENOSYS, -1);
		2726	#endif
		2727
		2728	XPUSHs (newmortalFH (fd, O_RDWR));
		2729	}
		2730
		2731	void
		2732	timerfd_create (int clockid, int flags = 0)
		2733	PPCODE:
		2734	{
		2735	int fd;
		2736	#if HAVE_TIMERFD
		2737	fd = timerfd_create (clockid, flags);
		2738	#else
		2739	fd = (errno = ENOSYS, -1);
		2740	#endif
		2741
		2742	XPUSHs (newmortalFH (fd, O_RDWR));
		2743	}
		2744
		2745	void
		2746	timerfd_settime (SV *fh, int flags, NV interval, NV value)
		2747	PPCODE:
		2748	{
		2749	int fd = s_fileno_croak (fh, 0);
		2750	#if HAVE_TIMERFD
		2751	int res;
		2752	struct itimerspec its, ots;
		2753
		2754	ts_set (&its.it_interval, interval);
		2755	ts_set (&its.it_value , value);
		2756	res = timerfd_settime (fd, flags, &its, &ots);
		2757
		2758	if (!res)
		2759	{
		2760	EXTEND (SP, 2);
		2761	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2762	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2763	}
		2764	#else
		2765	errno = ENOSYS;
		2766	#endif
		2767	}
		2768
		2769	void
		2770	timerfd_gettime (SV *fh)
		2771	PPCODE:
		2772	{
		2773	int fd = s_fileno_croak (fh, 0);
		2774	#if HAVE_TIMERFD
		2775	int res;
		2776	struct itimerspec ots;
		2777	res = timerfd_gettime (fd, &ots);
		2778
		2779	if (!res)
		2780	{
		2781	EXTEND (SP, 2);
		2782	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2783	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2784	}
		2785	#else
		2786	errno = ENOSYS;
		2787	#endif
		2788	}
		2789
		2790	void
		2791	memfd_create (SV8 *pathname, int flags = 0)
		2792	PPCODE:
		2793	{
		2794	int fd;
		2795	#if HAVE_MEMFD_CREATE
		2796	fd = memfd_create (SvPVbyte_nolen (pathname), flags);
		2797	#else
		2798	fd = (errno = ENOSYS, -1);
		2799	#endif
		2800
		2801	XPUSHs (newmortalFH (fd, O_RDWR));
		2802	}
		2803
		2804	UV
		2805	get_fdlimit ()
		2806	CODE:
		2807	#if HAVE_RLIMITS
		2808	struct rlimit rl;
		2809	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2810	XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
		2811	#endif
		2812	XSRETURN_UNDEF;
		2813	OUTPUT:
		2814	RETVAL
		2815
		2816	void
		2817	min_fdlimit (UV limit = 0x7fffffffU)
		2818	CODE:
		2819	{
		2820	#if HAVE_RLIMITS
		2821	struct rlimit rl;
		2822	rlim_t orig_rlim_max;
		2823	UV bit;
		2824
		2825	if (0 != getrlimit (RLIMIT_NOFILE, &rl))
		2826	goto fail;
		2827
		2828	if (rl.rlim_cur == RLIM_INFINITY)
		2829	XSRETURN_YES;
		2830
		2831	orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
		2832
		2833	if (rl.rlim_cur < limit)
		2834	{
		2835	rl.rlim_cur = limit;
		2836
		2837	if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
		2838	rl.rlim_max = rl.rlim_cur;
		2839	}
		2840
		2841	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2842	XSRETURN_YES;
		2843
		2844	if (errno == EPERM)
		2845	{
		2846	/* setrlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
		2847	/* our limit overflows a system-wide limit */
		2848	/* try an adaptive algorithm, but do not lower the hardlimit */
		2849	rl.rlim_max = 0;
		2850	for (bit = 0x40000000U; bit; bit >>= 1)
		2851	{
		2852	rl.rlim_max |= bit;
		2853	rl.rlim_cur = rl.rlim_max;
		2854
		2855	/* never decrease the hard limit */
		2856	if (rl.rlim_max < orig_rlim_max)
		2857	break;
		2858
		2859	if (0 != setrlimit (RLIMIT_NOFILE, &rl))
		2860	rl.rlim_max &= ~bit; /* too high, remove bit again */
		2861	}
		2862
		2863	/* now, raise the soft limit to the max permitted */
		2864	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2865	{
		2866	rl.rlim_cur = rl.rlim_max;
		2867	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2868	errno = EPERM;
		2869	}
		2870	}
		2871	#endif
		2872	fail:
		2873	XSRETURN_UNDEF;
		2874	}
1890		2875
1891	void _on_next_submit (SV *cb)	2876	void _on_next_submit (SV *cb)
1892	CODE:	2877	CODE:
1893	SvREFCNT_dec (on_next_submit);	2878	SvREFCNT_dec (on_next_submit);
1894	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	2879	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
…		…
1929	cancel (aio_req_ornot req)	2914	cancel (aio_req_ornot req)
1930	CODE:	2915	CODE:
1931	eio_cancel (req);	2916	eio_cancel (req);
1932		2917
1933	void	2918	void
1934	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	2919	cb (aio_req_ornot req, SV *callback = NO_INIT)
1935	PPCODE:	2920	PPCODE:
1936	{	2921	{
1937	if (GIMME_V != G_VOID)	2922	if (GIMME_V != G_VOID)
1938	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	2923	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1939		2924
1940	if (items > 1)	2925	if (items > 1)
1941	{	2926	{
1942	SV *cb_cv =get_cb (callback);	2927	SV *cb_cv = get_cb (callback);
1943		2928
1944	SvREFCNT_dec (req->callback);	2929	SvREFCNT_dec (req->callback);
1945	req->callback = SvREFCNT_inc (cb_cv);	2930	req->callback = SvREFCNT_inc (cb_cv);
1946	}	2931	}
1947	}	2932	}
…		…
2004	limit (aio_req grp, int limit)	2989	limit (aio_req grp, int limit)
2005	CODE:	2990	CODE:
2006	eio_grp_limit (grp, limit);	2991	eio_grp_limit (grp, limit);
2007		2992
2008	void	2993	void
2009	feed (aio_req grp, SV *callback=&PL_sv_undef)	2994	feed (aio_req grp, SV *callback = &PL_sv_undef)
2010	CODE:	2995	CODE:
2011	{	2996	{
2012	SvREFCNT_dec (grp->sv2);	2997	SvREFCNT_dec (grp->sv2);
2013	grp->sv2 = newSVsv (callback);	2998	grp->sv2 = newSVsv (callback);
2014	grp->feed = aio_grp_feed;	2999	grp->feed = aio_grp_feed;

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