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/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.228 by root, Fri Jan 24 23:46:16 2014 UTC vs.
Revision 1.287 by root, Tue Dec 29 15:28:02 2020 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	#if HAVE_SYSCALL
		233	#include <sys/syscall.h>
		234	#else
		235	# define syscall(nr,...) (errno = ENOSYS, -1)
		236	#endif
		237
		238	/*****************************************************************************/
		239
		240	#if !_POSIX_MAPPED_FILES
		241	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
		242	# define munmap(addr,length) EIO_ENOSYS ()
		243	#endif
		244
		245	#if !_POSIX_MEMORY_PROTECTION
		246	# define mprotect(addr,len,prot) EIO_ENOSYS ()
		247	#endif
		248
		249	#if !MREMAP_MAYMOVE
		250	# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
		251	#endif
		252
		253	#define FOREIGN_MAGIC PERL_MAGIC_ext
		254
		255	static int ecb_cold
		256	mmap_free (pTHX_ SV *sv, MAGIC *mg)
		257	{
		258	int old_errno = errno;
		259	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		260	errno = old_errno;
		261
		262	mg->mg_obj = 0; /* just in case */
		263
		264	SvREADONLY_off (sv);
		265
		266	if (SvPVX (sv) != mg->mg_ptr)
		267	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		268
		269	SvCUR_set (sv, 0);
		270	SvPVX (sv) = 0;
		271	SvOK_off (sv);
		272
		273	return 0;
		274	}
		275
		276	static MGVTBL mmap_vtbl = {
		277	0, 0, 0, 0, mmap_free
		278	};
		279
		280	static int ecb_cold
		281	sysfree_free (pTHX_ SV *sv, MAGIC *mg)
		282	{
		283	free (mg->mg_ptr);
		284	mg->mg_obj = 0; /* just in case */
		285
		286	SvREADONLY_off (sv);
		287
		288	if (SvPVX (sv) != mg->mg_ptr)
		289	croak ("ERROR: IO::AIO mapped scalar changed location, detected");
		290
		291	SvCUR_set (sv, 0);
		292	SvPVX (sv) = 0;
		293	SvOK_off (sv);
		294
		295	return 0;
		296	}
		297
		298	static MGVTBL sysfree_vtbl = {
		299	0, 0, 0, 0, sysfree_free
		300	};
		301
		302	/*****************************************************************************/
		303
		304	/* helper: set scalar to foreign ptr with custom free */
		305	ecb_noinline
		306	static void
		307	sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
		308	{
		309	sv_force_normal (sv);
		310
		311	/* we store the length in mg_obj, as namlen is I32 :/ */
		312	sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
		313	->mg_obj = (SV *)length;
		314
		315	SvUPGRADE (sv, SVt_PV); /* nop... */
		316
		317	if (SvLEN (sv))
		318	Safefree (SvPVX (sv));
		319
		320	SvPVX (sv) = (char *)addr;
		321	SvCUR_set (sv, length);
		322	SvLEN_set (sv, 0);
		323	SvPOK_only (sv);
		324	}
		325
		326	static void
		327	sv_clear_foreign (SV *sv)
		328	{
		329	/* todo: iterate over magic and only free ours, but of course */
		330	/* the perl5porters will call that (correct) behaviour buggy */
		331	sv_unmagic (sv, FOREIGN_MAGIC);
		332	}
		333
		334	/*****************************************************************************/
		335
		336	/* defines all sorts of constants to 0 unless they are already defined */
		337	/* also provides const_iv_ and const_niv_ macros for them */
		338	#include "def0.h"
161		339
162	/*****************************************************************************/	340	/*****************************************************************************/
163		341
164	static void	342	static void
165	fiemap (eio_req *req)	343	fiemap (eio_req *req)
…		…
173	int count = req->int3;	351	int count = req->int3;
174		352
175	req->flags |= EIO_FLAG_PTR1_FREE;	353	req->flags |= EIO_FLAG_PTR1_FREE;
176		354
177	/* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */	355	/* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
178	/* increase in 3.5kb steps */	356	/* increase in fixed steps */
179	if (count < 0)	357	if (count < 0)
180	count = 8;	358	count = 8;
181		359
182	fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);	360	fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
183	errno = ENOMEM;	361	errno = ENOMEM;
…		…
236		414
237	for (count = 0; count < incmap->fm_mapped_extents; ++count)	415	for (count = 0; count < incmap->fm_mapped_extents; ++count)
238	{	416	{
239	struct fiemap_extent *e = incmap->fm_extents + count;	417	struct fiemap_extent *e = incmap->fm_extents + count;
240		418
		419	fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
		420
241	if (e->fe_logical + e->fe_length >= end_offset)	421	if (e->fe_logical >= end_offset)
242	goto done;	422	goto done;
243
244	fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
245		423
246	if (e->fe_flags & FIEMAP_EXTENT_LAST)	424	if (e->fe_flags & FIEMAP_EXTENT_LAST)
247	goto done;	425	goto done;
248		426
249	}	427	}
…		…
256	errno = ENOSYS;	434	errno = ENOSYS;
257	#endif	435	#endif
258	}	436	}
259		437
260	/*****************************************************************************/	438	/*****************************************************************************/
		439
		440	static int close_fd; /* dummy fd to close fds via dup2 */
		441
		442	#if HAVE_STATX
		443	static struct statx stx;
		444	#define statx_offsetof(member) offsetof (struct statx, member)
		445	#define eio__statx statx
		446	#else
		447	#define statx_offsetof(member) 0
		448	#define eio__statx(dir,path,flags,mask,stx) EIO_ENOSYS()
		449	#endif
261		450
262	enum {	451	enum {
263	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	452	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
264	};	453	};
265		454
…		…
289	/* read any signals sent by the worker threads */	478	/* read any signals sent by the worker threads */
290	s_epipe_drain (&respipe);	479	s_epipe_drain (&respipe);
291	}	480	}
292		481
293	/* must be called at most once */	482	/* must be called at most once */
		483	ecb_noinline
294	static SV *	484	static SV *
295	req_sv (aio_req req, HV *stash)	485	req_sv (aio_req req, HV *stash)
296	{	486	{
297	if (!req->self)	487	if (!req->self)
298	{	488	{
…		…
304	}	494	}
305		495
306	static SV *	496	static SV *
307	newSVaio_wd (aio_wd wd)	497	newSVaio_wd (aio_wd wd)
308	{	498	{
309	return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash);	499	return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
310	}	500	}
311		501
		502	ecb_noinline
312	static aio_req	503	static aio_req
313	SvAIO_REQ (SV *sv)	504	SvAIO_REQ (SV *sv)
314	{	505	{
315	MAGIC *mg;	506	MAGIC *mg;
316		507
…		…
333	|| SvTYPE (SvRV (sv)) != SVt_PVMG	524	|| SvTYPE (SvRV (sv)) != SVt_PVMG
334	|| SvSTASH (SvRV (sv)) != aio_wd_stash)	525	|| SvSTASH (SvRV (sv)) != aio_wd_stash)
335	croak ("IO::AIO: expected a working directory object as returned by aio_wd");	526	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
336		527
337	return (aio_wd)(long)SvIVX (SvRV (sv));	528	return (aio_wd)(long)SvIVX (SvRV (sv));
		529	}
		530
		531	static SV *
		532	newmortalFH (int fd, int flags)
		533	{
		534	if (fd < 0)
		535	return &PL_sv_undef;
		536
		537	GV *gv = (GV *)sv_newmortal ();
		538	char sym[64];
		539	int symlen;
		540
		541	symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
		542	gv_init (gv, aio_stash, sym, symlen, 0);
		543
		544	symlen = snprintf (
		545	sym,
		546	sizeof (sym),
		547	"%s&=%d",
		548	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
		549	fd
		550	);
		551
		552	return do_open (gv, sym, symlen, 0, 0, 0, 0)
		553	? (SV *)gv : &PL_sv_undef;
338	}	554	}
339		555
340	static void	556	static void
341	aio_grp_feed (aio_req grp)	557	aio_grp_feed (aio_req grp)
342	{	558	{
…		…
354	FREETMPS;	570	FREETMPS;
355	LEAVE;	571	LEAVE;
356	}	572	}
357	}	573	}
358		574
		575	ecb_noinline
359	static void	576	static void
360	req_submit (eio_req *req)	577	req_submit (eio_req *req)
361	{	578	{
362	eio_submit (req);	579	eio_submit (req);
363		580
…		…
470	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));	687	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
471	}	688	}
472	break;	689	break;
473		690
474	case EIO_OPEN:	691	case EIO_OPEN:
475	{	692	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;	693	break;
504		694
505	case EIO_STATVFS:	695	case EIO_STATVFS:
506	case EIO_FSTATVFS:	696	case EIO_FSTATVFS:
507	{	697	{
…		…
587	SvSETMAGIC (req->sv2);	777	SvSETMAGIC (req->sv2);
588	PUSHs (sv_result);	778	PUSHs (sv_result);
589	}	779	}
590	break;	780	break;
591		781
		782	case EIO_SLURP:
		783	{
		784	if (req->result >= 0)
		785	{
		786	/* if length was originally not known, we steal the malloc'ed memory */
		787	if (req->flags & EIO_FLAG_PTR2_FREE)
		788	{
		789	req->flags &= ~EIO_FLAG_PTR2_FREE;
		790	sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
		791	}
		792	else
		793	{
		794	SvCUR_set (req->sv2, req->result);
		795	*SvEND (req->sv2) = 0;
		796	SvPOK_only (req->sv2);
		797	}
		798
		799	SvSETMAGIC (req->sv2);
		800	}
		801
		802	PUSHs (sv_result);
		803	}
		804	break;
		805
592	case EIO_CUSTOM:	806	case EIO_CUSTOM:
593	if (req->feed == fiemap)	807	if (req->feed == fiemap)
594	{	808	{
595	#if HAVE_FIEMAP	809	#if HAVE_FIEMAP
596	if (!req->result)	810	if (!req->result)
…		…
627	}	841	}
628	else	842	else
629	PUSHs (sv_result);	843	PUSHs (sv_result);
630	break;	844	break;
631		845
		846	#if 0
		847	case EIO_CLOSE:
		848	PerlIOUnix_refcnt_dec (req->int1);
		849	break;
		850	#endif
		851
632	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */	852	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
633	if (req->result > 0)	853	if (req->result > 0)
634	SvIV_set (sv_result, 0);	854	SvIV_set (sv_result, 0);
635	/* FALLTHROUGH */	855	/* FALLTHROUGH */
636		856
…		…
687	grp->sv2 = 0;	907	grp->sv2 = 0;
688		908
689	eio_grp_cancel (grp);	909	eio_grp_cancel (grp);
690	}	910	}
691		911
692	static void ecb_cold	912	ecb_cold
		913	static void
693	create_respipe (void)	914	create_respipe (void)
694	{	915	{
695	if (s_epipe_renew (&respipe))	916	if (s_epipe_renew (&respipe))
696	croak ("IO::AIO: unable to initialize result pipe");	917	croak ("IO::AIO: unable to initialize result pipe");
697	}	918	}
…		…
701	{	922	{
702	while (eio_nreqs ())	923	while (eio_nreqs ())
703	{	924	{
704	int size;	925	int size;
705		926
706	X_LOCK (reslock);	927	X_LOCK (EIO_POOL->reslock);
707	size = res_queue.size;	928	size = EIO_POOL->res_queue.size;
708	X_UNLOCK (reslock);	929	X_UNLOCK (EIO_POOL->reslock);
709		930
710	if (size)	931	if (size)
711	return;	932	return;
712		933
713	etp_maybe_start_thread ();	934	etp_maybe_start_thread (EIO_POOL);
714		935
715	s_epipe_wait (&respipe);	936	s_epipe_wait (&respipe);
716	}	937	}
717	}	938	}
718		939
…		…
731		952
732	poll_wait ();	953	poll_wait ();
733	}	954	}
734	}	955	}
735		956
736	static void ecb_cold	957	ecb_cold
		958	static void
737	reinit (void)	959	reinit (void)
738	{	960	{
739	create_respipe ();	961	create_respipe ();
740		962
741	if (eio_init (want_poll, done_poll) < 0)	963	if (eio_init (want_poll, done_poll) < 0)
742	croak ("IO::AIO: unable to initialise eio library");	964	croak ("IO::AIO: unable to initialise eio library");
743	}	965	}
744		966
745	/*****************************************************************************/	967	/*****************************************************************************/
746		968
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 *	969	static SV *
791	get_cb (SV *cb_sv)	970	get_cb (SV *cb_sv)
792	{	971	{
793	SvGETMAGIC (cb_sv);	972	SvGETMAGIC (cb_sv);
794	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	973	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
795	}	974	}
796		975
		976	ecb_noinline
797	static aio_req ecb_noinline	977	static aio_req ecb_noinline
798	dreq (SV *callback)	978	dreq (SV *callback)
799	{	979	{
800	SV *cb_cv;	980	SV *cb_cv;
801	aio_req req;	981	aio_req req;
…		…
823	SPAGAIN; \	1003	SPAGAIN; \
824	\	1004	\
825	if (GIMME_V != G_VOID) \	1005	if (GIMME_V != G_VOID) \
826	XPUSHs (req_sv (req, aio_req_stash));	1006	XPUSHs (req_sv (req, aio_req_stash));
827		1007
		1008	/* *wdsv, *pathsv, *wd and *ptr must be 0-initialized */
828	ecb_inline void	1009	ecb_inline
		1010	void
829	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)	1011	req_set_path (SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
830	{	1012	{
831	if (expect_false (SvROK (path)))	1013	if (expect_false (SvROK (path)))
832	{	1014	{
833	SV *rv = SvRV (path);	1015	SV *rv = SvRV (path);
834	SV *wdob;	1016	SV *wdob;
…		…
859		1041
860	*pathsv = newSVsv (path);	1042	*pathsv = newSVsv (path);
861	*ptr = SvPVbyte_nolen (*pathsv);	1043	*ptr = SvPVbyte_nolen (*pathsv);
862	}	1044	}
863		1045
864	static void ecb_noinline	1046	ecb_noinline
		1047	static void
865	req_set_path1 (aio_req req, SV *path)	1048	req_set_path1 (aio_req req, SV *path)
866	{	1049	{
867	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);	1050	req_set_path (path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
868	}	1051	}
869		1052
870	static void ecb_noinline	1053	ecb_noinline
		1054	static void
871	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)	1055	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
872	{	1056	{
873	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;	1057	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
874		1058
875	switch (SvTYPE (rv))	1059	switch (SvTYPE (rv))
…		…
887	req_set_path1 (req, fh_or_path);	1071	req_set_path1 (req, fh_or_path);
888	break;	1072	break;
889	}	1073	}
890	}	1074	}
891		1075
		1076	/*****************************************************************************/
		1077
		1078	static void
		1079	ts_set (struct timespec *ts, NV value)
		1080	{
		1081	ts->tv_sec = value;
		1082	ts->tv_nsec = (value - ts->tv_sec) * 1e9;
		1083	}
		1084
		1085	static NV
		1086	ts_get (const struct timespec *ts)
		1087	{
		1088	return ts->tv_sec + ts->tv_nsec * 1e-9;
		1089	}
		1090
		1091	/*****************************************************************************/
		1092
892	XS(boot_IO__AIO) ecb_cold;	1093	XS(boot_IO__AIO) ecb_cold;
893		1094
894	MODULE = IO::AIO PACKAGE = IO::AIO	1095	MODULE = IO::AIO PACKAGE = IO::AIO
895		1096
896	PROTOTYPES: ENABLE	1097	PROTOTYPES: ENABLE
…		…
903	} *civ, const_iv[] = {	1104	} *civ, const_iv[] = {
904	# define const_niv(name, value) { # name, (IV) value },	1105	# define const_niv(name, value) { # name, (IV) value },
905	# define const_iv(name) { # name, (IV) name },	1106	# define const_iv(name) { # name, (IV) name },
906	# define const_eio(name) { # name, (IV) EIO_ ## name },	1107	# define const_eio(name) { # name, (IV) EIO_ ## name },
907		1108
908	/* you have to re-run ./gendef0 after adding/Removing any constants here */	1109	/* you have to re-run ./gendef0 after adding/removing any constants here */
909		1110	/* the first block can be undef if missing */
910	const_iv (ENOSYS)	1111	const_iv (ENOSYS)
911	const_iv (EXDEV)	1112	const_iv (EXDEV)
912	const_iv (EBADR)	1113	const_iv (EBADR)
		1114
		1115	/* for lseek */
		1116	const_iv (SEEK_DATA)
		1117	const_iv (SEEK_HOLE)
		1118
		1119	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
		1120	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		1121	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
		1122	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		1123	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		1124	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		1125
		1126	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		1127	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		1128	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		1129	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		1130	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		1131
		1132	/* the second block will be 0 when missing */
		1133	const_iv (O_ACCMODE)
913		1134
914	const_iv (O_RDONLY)	1135	const_iv (O_RDONLY)
915	const_iv (O_WRONLY)	1136	const_iv (O_WRONLY)
916	const_iv (O_RDWR)	1137	const_iv (O_RDWR)
917	const_iv (O_CREAT)	1138	const_iv (O_CREAT)
…		…
931	const_iv (O_SEARCH)	1152	const_iv (O_SEARCH)
932	const_iv (O_DIRECTORY)	1153	const_iv (O_DIRECTORY)
933	const_iv (O_DSYNC)	1154	const_iv (O_DSYNC)
934	const_iv (O_RSYNC)	1155	const_iv (O_RSYNC)
935	const_iv (O_SYNC)	1156	const_iv (O_SYNC)
		1157	const_iv (O_PATH)
		1158	const_iv (O_TMPFILE)
936	const_iv (O_TTY_INIT)	1159	const_iv (O_TTY_INIT)
937		1160
938	const_iv (S_IFIFO)	1161	const_iv (S_IFIFO)
939	const_iv (S_IFCHR)	1162	const_iv (S_IFCHR)
940	const_iv (S_IFBLK)	1163	const_iv (S_IFBLK)
…		…
942	const_iv (S_IFREG)	1165	const_iv (S_IFREG)
943	const_iv (S_IFDIR)	1166	const_iv (S_IFDIR)
944	const_iv (S_IFWHT)	1167	const_iv (S_IFWHT)
945	const_iv (S_IFSOCK)	1168	const_iv (S_IFSOCK)
946	const_iv (S_IFMT)	1169	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		1170
961	const_iv (ST_RDONLY)	1171	const_iv (ST_RDONLY)
962	const_iv (ST_NOSUID)	1172	const_iv (ST_NOSUID)
963	const_iv (ST_NODEV)	1173	const_iv (ST_NODEV)
964	const_iv (ST_NOEXEC)	1174	const_iv (ST_NOEXEC)
…		…
974	const_iv (PROT_NONE)	1184	const_iv (PROT_NONE)
975	const_iv (PROT_EXEC)	1185	const_iv (PROT_EXEC)
976	const_iv (PROT_READ)	1186	const_iv (PROT_READ)
977	const_iv (PROT_WRITE)	1187	const_iv (PROT_WRITE)
978		1188
979	/*const_iv (MAP_FIXED)*/
980	const_iv (MAP_PRIVATE)	1189	const_iv (MAP_PRIVATE)
981	const_iv (MAP_SHARED)	1190	const_iv (MAP_SHARED)
		1191	const_iv (MAP_FIXED)
982	const_iv (MAP_ANONYMOUS)	1192	const_iv (MAP_ANONYMOUS)
983		1193
984	/* linuxish */	1194	/* linuxish */
985	const_iv (MAP_HUGETLB)
986	const_iv (MAP_LOCKED)	1195	const_iv (MAP_LOCKED)
987	const_iv (MAP_NORESERVE)	1196	const_iv (MAP_NORESERVE)
988	const_iv (MAP_POPULATE)	1197	const_iv (MAP_POPULATE)
989	const_iv (MAP_NONBLOCK)	1198	const_iv (MAP_NONBLOCK)
		1199	const_iv (MAP_GROWSDOWN)
		1200	const_iv (MAP_32BIT)
		1201	const_iv (MAP_HUGETLB)
		1202	const_iv (MAP_STACK)
		1203
		1204	const_iv (MREMAP_MAYMOVE)
		1205	const_iv (MREMAP_FIXED)
		1206
		1207	const_iv (MSG_CMSG_CLOEXEC)
		1208	const_iv (SOCK_CLOEXEC)
		1209
		1210	const_iv (F_DUPFD_CLOEXEC)
		1211
		1212	const_iv (F_ADD_SEALS)
		1213	const_iv (F_GET_SEALS)
		1214	const_iv (F_SEAL_SEAL)
		1215	const_iv (F_SEAL_SHRINK)
		1216	const_iv (F_SEAL_GROW)
		1217	const_iv (F_SEAL_WRITE)
		1218
		1219	const_iv (F_OFD_GETLK)
		1220	const_iv (F_OFD_SETLK)
		1221	const_iv (F_OFD_GETLKW)
		1222
		1223	const_iv (FIFREEZE)
		1224	const_iv (FITHAW)
		1225	const_iv (FITRIM)
		1226	const_iv (FICLONE)
		1227	const_iv (FICLONERANGE)
		1228	const_iv (FIDEDUPERANGE)
		1229
		1230	const_iv (FS_IOC_GETFLAGS)
		1231	const_iv (FS_IOC_SETFLAGS)
		1232	const_iv (FS_IOC_GETVERSION)
		1233	const_iv (FS_IOC_SETVERSION)
		1234	const_iv (FS_IOC_FIEMAP)
		1235	const_iv (FS_IOC_FSGETXATTR)
		1236	const_iv (FS_IOC_FSSETXATTR)
		1237	const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
		1238	const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
		1239	const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
		1240
		1241	const_iv (FS_KEY_DESCRIPTOR_SIZE)
		1242
		1243	const_iv (FS_SECRM_FL)
		1244	const_iv (FS_UNRM_FL)
		1245	const_iv (FS_COMPR_FL)
		1246	const_iv (FS_SYNC_FL)
		1247	const_iv (FS_IMMUTABLE_FL)
		1248	const_iv (FS_APPEND_FL)
		1249	const_iv (FS_NODUMP_FL)
		1250	const_iv (FS_NOATIME_FL)
		1251	const_iv (FS_DIRTY_FL)
		1252	const_iv (FS_COMPRBLK_FL)
		1253	const_iv (FS_NOCOMP_FL)
		1254	const_iv (FS_ENCRYPT_FL)
		1255	const_iv (FS_BTREE_FL)
		1256	const_iv (FS_INDEX_FL)
		1257	const_iv (FS_JOURNAL_DATA_FL)
		1258	const_iv (FS_NOTAIL_FL)
		1259	const_iv (FS_DIRSYNC_FL)
		1260	const_iv (FS_TOPDIR_FL)
		1261	const_iv (FS_FL_USER_MODIFIABLE)
		1262
		1263	const_iv (FS_XFLAG_REALTIME)
		1264	const_iv (FS_XFLAG_PREALLOC)
		1265	const_iv (FS_XFLAG_IMMUTABLE)
		1266	const_iv (FS_XFLAG_APPEND)
		1267	const_iv (FS_XFLAG_SYNC)
		1268	const_iv (FS_XFLAG_NOATIME)
		1269	const_iv (FS_XFLAG_NODUMP)
		1270	const_iv (FS_XFLAG_RTINHERIT)
		1271	const_iv (FS_XFLAG_PROJINHERIT)
		1272	const_iv (FS_XFLAG_NOSYMLINKS)
		1273	const_iv (FS_XFLAG_EXTSIZE)
		1274	const_iv (FS_XFLAG_EXTSZINHERIT)
		1275	const_iv (FS_XFLAG_NODEFRAG)
		1276	const_iv (FS_XFLAG_FILESTREAM)
		1277	const_iv (FS_XFLAG_DAX)
		1278	const_iv (FS_XFLAG_HASATTR)
990		1279
991	const_iv (FIEMAP_FLAG_SYNC)	1280	const_iv (FIEMAP_FLAG_SYNC)
992	const_iv (FIEMAP_FLAG_XATTR)	1281	const_iv (FIEMAP_FLAG_XATTR)
993	const_iv (FIEMAP_FLAGS_COMPAT)	1282	const_iv (FIEMAP_FLAGS_COMPAT)
994	const_iv (FIEMAP_EXTENT_LAST)	1283	const_iv (FIEMAP_EXTENT_LAST)
…		…
1006	const_iv (SPLICE_F_MOVE)	1295	const_iv (SPLICE_F_MOVE)
1007	const_iv (SPLICE_F_NONBLOCK)	1296	const_iv (SPLICE_F_NONBLOCK)
1008	const_iv (SPLICE_F_MORE)	1297	const_iv (SPLICE_F_MORE)
1009	const_iv (SPLICE_F_GIFT)	1298	const_iv (SPLICE_F_GIFT)
1010		1299
		1300	const_iv (EFD_CLOEXEC)
		1301	const_iv (EFD_NONBLOCK)
		1302	const_iv (EFD_SEMAPHORE)
		1303
		1304	const_iv (MFD_CLOEXEC)
		1305	const_iv (MFD_ALLOW_SEALING)
		1306	const_iv (MFD_HUGETLB)
		1307
		1308	const_iv (CLOCK_REALTIME)
		1309	const_iv (CLOCK_MONOTONIC)
		1310	const_iv (CLOCK_BOOTTIME)
		1311	const_iv (CLOCK_REALTIME_ALARM)
		1312	const_iv (CLOCK_BOOTTIME_ALARM)
		1313
		1314	const_iv (TFD_NONBLOCK)
		1315	const_iv (TFD_CLOEXEC)
		1316
		1317	const_iv (TFD_TIMER_ABSTIME)
		1318	const_iv (TFD_TIMER_CANCEL_ON_SET)
		1319
		1320	const_iv (STATX_TYPE)
		1321	const_iv (STATX_MODE)
		1322	const_iv (STATX_NLINK)
		1323	const_iv (STATX_UID)
		1324	const_iv (STATX_GID)
		1325	const_iv (STATX_ATIME)
		1326	const_iv (STATX_MTIME)
		1327	const_iv (STATX_CTIME)
		1328	const_iv (STATX_INO)
		1329	const_iv (STATX_SIZE)
		1330	const_iv (STATX_BLOCKS)
		1331	const_iv (STATX_BASIC_STATS)
1011	const_iv (SEEK_DATA)	1332	const_iv (STATX_ALL)
		1333	const_iv (STATX_BTIME)
		1334	const_iv (STATX_ATTR_COMPRESSED)
		1335	const_iv (STATX_ATTR_IMMUTABLE)
		1336	const_iv (STATX_ATTR_APPEND)
		1337	const_iv (STATX_ATTR_NODUMP)
		1338	const_iv (STATX_ATTR_ENCRYPTED)
		1339	const_iv (STATX_ATTR_AUTOMOUNT)
		1340
		1341	const_iv (AT_FDCWD)
		1342	const_iv (AT_SYMLINK_NOFOLLOW)
		1343	const_iv (AT_EACCESS)
		1344	const_iv (AT_REMOVEDIR)
		1345	const_iv (AT_SYMLINK_FOLLOW)
		1346	const_iv (AT_NO_AUTOMOUNT)
		1347	const_iv (AT_EMPTY_PATH)
		1348	const_iv (AT_STATX_SYNC_TYPE)
		1349	const_iv (AT_STATX_AS_STAT)
		1350	const_iv (AT_STATX_FORCE_SYNC)
		1351	const_iv (AT_STATX_DONT_SYNC)
		1352	const_iv (AT_RECURSIVE)
		1353
		1354	const_iv (OPEN_TREE_CLONE)
		1355
		1356	const_iv (FSOPEN_CLOEXEC)
		1357
		1358	const_iv (FSPICK_CLOEXEC)
		1359	const_iv (FSPICK_SYMLINK_NOFOLLOW)
		1360	const_iv (FSPICK_NO_AUTOMOUNT)
		1361	const_iv (FSPICK_EMPTY_PATH)
		1362
		1363	const_iv (MOVE_MOUNT_F_SYMLINKS)
		1364	const_iv (MOVE_MOUNT_F_AUTOMOUNTS)
		1365	const_iv (MOVE_MOUNT_F_EMPTY_PATH)
		1366	const_iv (MOVE_MOUNT_T_SYMLINKS)
		1367	const_iv (MOVE_MOUNT_T_AUTOMOUNTS)
		1368	const_iv (MOVE_MOUNT_T_EMPTY_PATH)
		1369
		1370	/* waitid */
		1371	const_iv (P_PID)
		1372	const_iv (P_PIDFD)
		1373	const_iv (P_PGID)
1012	const_iv (SEEK_HOLE)	1374	const_iv (P_ALL)
1013		1375
1014	/* libeio constants */	1376	/* these are libeio constants, and are independent of gendef0 */
1015	const_eio (SEEK_SET)	1377	const_eio (SEEK_SET)
1016	const_eio (SEEK_CUR)	1378	const_eio (SEEK_CUR)
1017	const_eio (SEEK_END)	1379	const_eio (SEEK_END)
1018		1380
1019	const_eio (MCL_FUTURE)	1381	const_eio (MCL_FUTURE)
1020	const_eio (MCL_CURRENT)	1382	const_eio (MCL_CURRENT)
		1383	const_eio (MCL_ONFAULT)
1021		1384
1022	const_eio (MS_ASYNC)	1385	const_eio (MS_ASYNC)
1023	const_eio (MS_INVALIDATE)	1386	const_eio (MS_INVALIDATE)
1024	const_eio (MS_SYNC)	1387	const_eio (MS_SYNC)
1025		1388
…		…
1029	const_eio (SYNC_FILE_RANGE_WRITE)	1392	const_eio (SYNC_FILE_RANGE_WRITE)
1030	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1393	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1031		1394
1032	const_eio (FALLOC_FL_KEEP_SIZE)	1395	const_eio (FALLOC_FL_KEEP_SIZE)
1033	const_eio (FALLOC_FL_PUNCH_HOLE)	1396	const_eio (FALLOC_FL_PUNCH_HOLE)
		1397	const_eio (FALLOC_FL_COLLAPSE_RANGE)
		1398	const_eio (FALLOC_FL_ZERO_RANGE)
		1399	const_eio (FALLOC_FL_INSERT_RANGE)
		1400	const_eio (FALLOC_FL_UNSHARE_RANGE)
		1401
		1402	const_eio (RENAME_NOREPLACE)
		1403	const_eio (RENAME_EXCHANGE)
		1404	const_eio (RENAME_WHITEOUT)
1034		1405
1035	const_eio (READDIR_DENTS)	1406	const_eio (READDIR_DENTS)
1036	const_eio (READDIR_DIRS_FIRST)	1407	const_eio (READDIR_DIRS_FIRST)
1037	const_eio (READDIR_STAT_ORDER)	1408	const_eio (READDIR_STAT_ORDER)
1038	const_eio (READDIR_FOUND_UNKNOWN)	1409	const_eio (READDIR_FOUND_UNKNOWN)
…		…
1056	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)	1427	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));	1428	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
1058		1429
1059	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1430	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
1060		1431
		1432	/* allocate dummy pipe fd for aio_close */
		1433	{
		1434	int pipefd [2];
		1435
		1436	if (
		1437	#ifdef _WIN32
		1438	_pipe (pipefd, 1, _O_BINARY) < 0
		1439	#else
		1440	pipe (pipefd) < 0
		1441	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1442	#endif
		1443	|| close (pipefd [1]) < 0
		1444	)
		1445	croak ("IO::AIO: unable to create dummy pipe for aio_close");
		1446
		1447	close_fd = pipefd [0];
		1448	}
		1449
1061	reinit ();	1450	reinit ();
1062	}	1451	}
1063		1452
1064	void	1453	void
1065	reinit ()	1454	reinit ()
…		…
1106	PROTOTYPE: $	1495	PROTOTYPE: $
1107	CODE:	1496	CODE:
1108	max_outstanding = maxreqs;	1497	max_outstanding = maxreqs;
1109		1498
1110	void	1499	void
1111	aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)	1500	aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
1112	PPCODE:	1501	PPCODE:
1113	{	1502	{
1114	dREQ;	1503	dREQ;
1115		1504
1116	req->type = EIO_WD_OPEN;	1505	req->type = EIO_WD_OPEN;
…		…
1118		1507
1119	REQ_SEND;	1508	REQ_SEND;
1120	}	1509	}
1121		1510
1122	void	1511	void
1123	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1512	aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1124	PPCODE:	1513	PPCODE:
1125	{	1514	{
1126	dREQ;	1515	dREQ;
1127		1516
1128	req->type = EIO_OPEN;	1517	req->type = EIO_OPEN;
…		…
1132		1521
1133	REQ_SEND;	1522	REQ_SEND;
1134	}	1523	}
1135		1524
1136	void	1525	void
1137	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1526	aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
1138	ALIAS:	1527	ALIAS:
1139	aio_fsync = EIO_FSYNC	1528	aio_fsync = EIO_FSYNC
1140	aio_fdatasync = EIO_FDATASYNC	1529	aio_fdatasync = EIO_FDATASYNC
1141	aio_syncfs = EIO_SYNCFS	1530	aio_syncfs = EIO_SYNCFS
1142	PPCODE:	1531	PPCODE:
…		…
1150		1539
1151	REQ_SEND;	1540	REQ_SEND;
1152	}	1541	}
1153		1542
1154	void	1543	void
1155	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1544	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
1156	PPCODE:	1545	PPCODE:
1157	{	1546	{
1158	int fd = s_fileno_croak (fh, 0);	1547	int fd = s_fileno_croak (fh, 0);
1159	dREQ;	1548	dREQ;
1160		1549
…		…
1167		1556
1168	REQ_SEND;	1557	REQ_SEND;
1169	}	1558	}
1170		1559
1171	void	1560	void
1172	aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)	1561	aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
1173	PPCODE:	1562	PPCODE:
1174	{	1563	{
1175	int fd = s_fileno_croak (fh, 0);	1564	int fd = s_fileno_croak (fh, 0);
1176	dREQ;	1565	dREQ;
1177		1566
…		…
1184		1573
1185	REQ_SEND;	1574	REQ_SEND;
1186	}	1575	}
1187		1576
1188	void	1577	void
1189	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1578	aio_close (SV *fh, SV *callback = &PL_sv_undef)
1190	PPCODE:	1579	PPCODE:
1191	{	1580	{
1192	static int close_fd = -1; /* dummy fd to close fds via dup2 */
1193	int fd = s_fileno_croak (fh, 0);	1581	int fd = s_fileno_croak (fh, 0);
1194	dREQ;	1582	dREQ;
		1583	#if 0
		1584	/* partially duplicate logic in s_fileno */
		1585	SvGETMAGIC (fh);
1195		1586
1196	if (expect_false (close_fd < 0))	1587	if (SvROK (fh))
		1588	{
		1589	fh = SvRV (fh);
		1590	SvGETMAGIC (fh);
		1591	}
		1592
		1593	if (SvTYPE (fh) == SVt_PVGV)
1197	{	1594	{
1198	int pipefd [2];	1595	/* perl filehandle */
		1596	PerlIOUnix_refcnt_inc (fd);
		1597	do_close ((GV *)fh, 1);
1199		1598
1200	if (	1599	req->type = EIO_CLOSE;
1201	#ifdef _WIN32	1600	req->int1 = fd;
1202	_pipe (pipefd, 1, _O_BINARY) < 0	1601	/*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	}	1602	}
1213		1603	else
		1604	#endif
		1605	{
		1606	/* fd number */
1214	req->type = EIO_DUP2;	1607	req->type = EIO_DUP2;
1215	req->int1 = close_fd;	1608	req->int1 = close_fd;
1216	req->sv2 = newSVsv (fh);	1609	req->sv2 = newSVsv (fh);
1217	req->int2 = fd;	1610	req->int2 = fd;
		1611	}
1218		1612
1219	REQ_SEND;	1613	REQ_SEND;
1220	}	1614	}
1221		1615
1222	void	1616	void
1223	aio_seek (SV *fh, SV *offset, int whence, SV *callback=&PL_sv_undef)	1617	aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1224	PPCODE:	1618	PPCODE:
1225	{	1619	{
1226	int fd = s_fileno_croak (fh, 0);	1620	int fd = s_fileno_croak (fh, 0);
1227	dREQ;	1621	dREQ;
1228		1622
…		…
1234		1628
1235	REQ_SEND;	1629	REQ_SEND;
1236	}	1630	}
1237		1631
1238	void	1632	void
1239	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1633	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
1240	ALIAS:	1634	ALIAS:
1241	aio_read = EIO_READ	1635	aio_read = EIO_READ
1242	aio_write = EIO_WRITE	1636	aio_write = EIO_WRITE
1243	PPCODE:	1637	PPCODE:
1244	{	1638	{
…		…
1260	len = svlen - dataoffset;	1654	len = svlen - dataoffset;
1261	}	1655	}
1262	else	1656	else
1263	{	1657	{
1264	/* read: check type and grow scalar as necessary */	1658	/* read: check type and grow scalar as necessary */
1265	SvUPGRADE (data, SVt_PV);
1266	if (SvLEN (data) >= SvCUR (data))	1659	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1267	svptr = SvGROW (data, len + dataoffset + 1);	1660	svptr = sv_grow (data, len + dataoffset + 1);
1268	else if (SvCUR (data) < len + dataoffset)	1661	else if (SvCUR (data) < len + dataoffset)
1269	croak ("length + dataoffset outside of scalar, and cannot grow");	1662	croak ("length + dataoffset outside of scalar, and cannot grow");
1270	}	1663	}
1271		1664
1272	{	1665	{
…		…
1290	REQ_SEND;	1683	REQ_SEND;
1291	}	1684	}
1292	}	1685	}
1293		1686
1294	void	1687	void
		1688	aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
		1689	ALIAS:
		1690	aio_ioctl = EIO_IOCTL
		1691	aio_fcntl = EIO_FCNTL
		1692	PPCODE:
		1693	{
		1694	int fd = s_fileno_croak (fh, 0);
		1695	char *svptr;
		1696
		1697	if (SvPOK (arg) || !SvNIOK (arg))
		1698	{
		1699	STRLEN svlen;
		1700	/* perl uses IOCPARM_LEN for fcntl, so we do, too */
		1701	#ifdef IOCPARM_LEN
		1702	STRLEN need = IOCPARM_LEN (request);
		1703	#else
		1704	STRLEN need = 256;
		1705	#endif
		1706
		1707	if (svlen < need)
		1708	svptr = SvGROW (arg, need);
		1709	}
		1710	else
		1711	svptr = (char *)SvIV (arg);
		1712
		1713	{
		1714	dREQ;
		1715
		1716	req->type = ix;
		1717	req->sv1 = newSVsv (fh);
		1718	req->int1 = fd;
		1719	req->int2 = (long)request;
		1720	req->sv2 = SvREFCNT_inc (arg);
		1721	req->ptr2 = svptr;
		1722
		1723	REQ_SEND;
		1724	}
		1725	}
		1726
		1727	void
1295	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1728	aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1296	ALIAS:	1729	ALIAS:
1297	aio_readlink = EIO_READLINK	1730	aio_readlink = EIO_READLINK
1298	aio_realpath = EIO_REALPATH	1731	aio_realpath = EIO_REALPATH
1299	PPCODE:	1732	PPCODE:
1300	{	1733	{
…		…
1305		1738
1306	REQ_SEND;	1739	REQ_SEND;
1307	}	1740	}
1308		1741
1309	void	1742	void
1310	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1743	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1311	PPCODE:	1744	PPCODE:
1312	{	1745	{
1313	int ifd = s_fileno_croak (in_fh , 0);	1746	int ifd = s_fileno_croak (in_fh , 0);
1314	int ofd = s_fileno_croak (out_fh, 1);	1747	int ofd = s_fileno_croak (out_fh, 1);
1315	dREQ;	1748	dREQ;
…		…
1324		1757
1325	REQ_SEND;	1758	REQ_SEND;
1326	}	1759	}
1327		1760
1328	void	1761	void
1329	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1762	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1330	PPCODE:	1763	PPCODE:
1331	{	1764	{
1332	int fd = s_fileno_croak (fh, 0);	1765	int fd = s_fileno_croak (fh, 0);
1333	dREQ;	1766	dREQ;
1334		1767
…		…
1340		1773
1341	REQ_SEND;	1774	REQ_SEND;
1342	}	1775	}
1343		1776
1344	void	1777	void
1345	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1778	aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1346	ALIAS:	1779	ALIAS:
1347	aio_stat = EIO_STAT	1780	aio_stat = EIO_STAT
1348	aio_lstat = EIO_LSTAT	1781	aio_lstat = EIO_LSTAT
1349	aio_statvfs = EIO_STATVFS	1782	aio_statvfs = EIO_STATVFS
1350	PPCODE:	1783	PPCODE:
…		…
1353		1786
1354	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);	1787	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1355		1788
1356	REQ_SEND;	1789	REQ_SEND;
1357	}	1790	}
		1791
		1792	void
		1793	st_xtime ()
		1794	ALIAS:
		1795	st_atime = 0x01
		1796	st_mtime = 0x02
		1797	st_ctime = 0x04
		1798	st_btime = 0x08
		1799	st_xtime = 0x0f
		1800	PPCODE:
		1801	EXTEND (SP, 4);
		1802	if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
		1803	if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
		1804	if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
		1805	if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
		1806
		1807	void
		1808	st_xtimensec ()
		1809	ALIAS:
		1810	st_atimensec = 0x01
		1811	st_mtimensec = 0x02
		1812	st_ctimensec = 0x04
		1813	st_btimensec = 0x08
		1814	st_xtimensec = 0x0f
		1815	st_btimesec = 0x10
		1816	st_gen = 0x20
		1817	PPCODE:
		1818	EXTEND (SP, 4);
		1819	if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
		1820	if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
		1821	if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
		1822	if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
		1823	if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
		1824	if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
1358		1825
1359	UV	1826	UV
1360	major (UV dev)	1827	major (UV dev)
1361	ALIAS:	1828	ALIAS:
1362	minor = 1	1829	minor = 1
1363	CODE:	1830	CODE:
1364	RETVAL = ix ? major (dev) : minor (dev);	1831	RETVAL = ix ? minor (dev) : major (dev);
1365	OUTPUT:	1832	OUTPUT:
1366	RETVAL	1833	RETVAL
1367		1834
1368	UV	1835	UV
1369	makedev (UV maj, UV min)	1836	makedev (UV maj, UV min)
…		…
1371	RETVAL = makedev (maj, min);	1838	RETVAL = makedev (maj, min);
1372	OUTPUT:	1839	OUTPUT:
1373	RETVAL	1840	RETVAL
1374		1841
1375	void	1842	void
1376	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1843	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1377	PPCODE:	1844	PPCODE:
1378	{	1845	{
1379	dREQ;	1846	dREQ;
1380		1847
1381	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1848	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
…		…
1384		1851
1385	REQ_SEND;	1852	REQ_SEND;
1386	}	1853	}
1387		1854
1388	void	1855	void
1389	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1856	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1390	PPCODE:	1857	PPCODE:
1391	{	1858	{
1392	dREQ;	1859	dREQ;
1393		1860
1394	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1861	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
…		…
1396		1863
1397	REQ_SEND;	1864	REQ_SEND;
1398	}	1865	}
1399		1866
1400	void	1867	void
1401	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1868	aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1402	PPCODE:	1869	PPCODE:
1403	{	1870	{
1404	dREQ;	1871	dREQ;
1405		1872
1406	req->int2 = mode;	1873	req->int2 = mode;
…		…
1408		1875
1409	REQ_SEND;	1876	REQ_SEND;
1410	}	1877	}
1411		1878
1412	void	1879	void
1413	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef)	1880	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1414	PPCODE:	1881	PPCODE:
1415	{	1882	{
1416	dREQ;	1883	dREQ;
1417		1884
1418	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1885	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
…		…
1421		1888
1422	REQ_SEND;	1889	REQ_SEND;
1423	}	1890	}
1424		1891
1425	void	1892	void
1426	aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)	1893	aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1427	PPCODE:	1894	PPCODE:
1428	{	1895	{
1429	dREQ;	1896	dREQ;
1430		1897
1431	req->type = EIO_READDIR;	1898	req->type = EIO_READDIR;
…		…
1438		1905
1439	REQ_SEND;	1906	REQ_SEND;
1440	}	1907	}
1441		1908
1442	void	1909	void
1443	aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef)	1910	aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1444	PPCODE:	1911	PPCODE:
1445	{	1912	{
1446	dREQ;	1913	dREQ;
1447		1914
1448	req->type = EIO_MKDIR;	1915	req->type = EIO_MKDIR;
…		…
1451		1918
1452	REQ_SEND;	1919	REQ_SEND;
1453	}	1920	}
1454		1921
1455	void	1922	void
1456	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1923	aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1457	ALIAS:	1924	ALIAS:
1458	aio_unlink = EIO_UNLINK	1925	aio_unlink = EIO_UNLINK
1459	aio_rmdir = EIO_RMDIR	1926	aio_rmdir = EIO_RMDIR
1460	aio_readdir = EIO_READDIR	1927	aio_readdir = EIO_READDIR
1461	PPCODE:	1928	PPCODE:
…		…
1467		1934
1468	REQ_SEND;	1935	REQ_SEND;
1469	}	1936	}
1470		1937
1471	void	1938	void
1472	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef)	1939	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1473	ALIAS:	1940	ALIAS:
1474	aio_link = EIO_LINK	1941	aio_link = EIO_LINK
1475	aio_symlink = EIO_SYMLINK	1942	aio_symlink = EIO_SYMLINK
1476	aio_rename = EIO_RENAME	1943	aio_rename = EIO_RENAME
1477	PPCODE:	1944	PPCODE:
…		…
1479	eio_wd wd2 = 0;	1946	eio_wd wd2 = 0;
1480	dREQ;	1947	dREQ;
1481		1948
1482	req->type = ix;	1949	req->type = ix;
1483	req_set_path1 (req, oldpath);	1950	req_set_path1 (req, oldpath);
1484	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);	1951	req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1485	req->int3 = (long)wd2;	1952	req->int3 = (long)wd2;
1486		1953
1487	REQ_SEND;	1954	REQ_SEND;
1488	}	1955	}
1489		1956
1490	void	1957	void
		1958	aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
		1959	PPCODE:
		1960	{
		1961	eio_wd wd2 = 0;
		1962	dREQ;
		1963
		1964	req->type = EIO_RENAME;
		1965	req_set_path1 (req, oldpath);
		1966	req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
		1967	req->int2 = flags;
		1968	req->int3 = (long)wd2;
		1969
		1970	REQ_SEND;
		1971	}
		1972
		1973	void
1491	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef)	1974	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1492	PPCODE:	1975	PPCODE:
1493	{	1976	{
1494	dREQ;	1977	dREQ;
1495		1978
1496	req->type = EIO_MKNOD;	1979	req->type = EIO_MKNOD;
…		…
1500		1983
1501	REQ_SEND;	1984	REQ_SEND;
1502	}	1985	}
1503		1986
1504	void	1987	void
1505	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1988	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1506	ALIAS:	1989	ALIAS:
1507	aio_mtouch = EIO_MTOUCH	1990	aio_mtouch = EIO_MTOUCH
1508	aio_msync = EIO_MSYNC	1991	aio_msync = EIO_MSYNC
1509	PPCODE:	1992	PPCODE:
1510	{	1993	{
1511	STRLEN svlen;	1994	STRLEN svlen;
1512	char *svptr = SvPVbyte (data, svlen);	1995	char *svptr = SvPVbyte (data, svlen);
1513	UV len = SvUV (length);	1996	UV len = SvUV (length);
		1997
		1998	if (flags < 0)
		1999	flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1514		2000
1515	if (offset < 0)	2001	if (offset < 0)
1516	offset += svlen;	2002	offset += svlen;
1517		2003
1518	if (offset < 0 || offset > svlen)	2004	if (offset < 0 || offset > svlen)
…		…
1533	REQ_SEND;	2019	REQ_SEND;
1534	}	2020	}
1535	}	2021	}
1536		2022
1537	void	2023	void
1538	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)	2024	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1539	PPCODE:	2025	PPCODE:
1540	{	2026	{
1541	STRLEN svlen;	2027	STRLEN svlen;
1542	char *svptr = SvPVbyte (data, svlen);	2028	char *svptr = SvPVbyte (data, svlen);
1543	UV len = SvUV (length);	2029	UV len = SvUV (length);
…		…
1562	REQ_SEND;	2048	REQ_SEND;
1563	}	2049	}
1564	}	2050	}
1565		2051
1566	void	2052	void
1567	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)	2053	aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1568	PPCODE:	2054	PPCODE:
1569	{	2055	{
1570	dREQ;	2056	dREQ;
1571		2057
1572	req->type = EIO_MLOCKALL;	2058	req->type = EIO_MLOCKALL;
…		…
1574		2060
1575	REQ_SEND;	2061	REQ_SEND;
1576	}	2062	}
1577		2063
1578	void	2064	void
1579	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback=&PL_sv_undef)	2065	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
1580	PPCODE:	2066	PPCODE:
1581	{	2067	{
1582	int fd = s_fileno_croak (fh, 0);	2068	int fd = s_fileno_croak (fh, 0);
1583	dREQ;	2069	dREQ;
1584		2070
…		…
1597		2083
1598	REQ_SEND;	2084	REQ_SEND;
1599	}	2085	}
1600		2086
1601	void	2087	void
		2088	aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
		2089	PPCODE:
		2090	{
		2091	char *svptr = 0;
		2092
		2093	sv_clear_foreign (data);
		2094
		2095	if (length) /* known length, directly read into scalar */
		2096	{
		2097	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
		2098	svptr = sv_grow (data, length + 1);
		2099	else if (SvCUR (data) < length)
		2100	croak ("length outside of scalar, and cannot grow");
		2101	else
		2102	svptr = SvPVbyte_nolen (data);
		2103	}
		2104
		2105	{
		2106	dREQ;
		2107
		2108	req->type = EIO_SLURP;
		2109	req_set_path1 (req, pathname);
		2110	req->offs = offset;
		2111	req->size = length;
		2112	req->sv2 = SvREFCNT_inc (data);
		2113	req->ptr2 = svptr;
		2114
		2115	if (!SvREADONLY (data))
		2116	{
		2117	SvREADONLY_on (data);
		2118	req->flags |= FLAG_SV2_RO_OFF;
		2119	}
		2120
		2121	REQ_SEND;
		2122	}
		2123	}
		2124
		2125	void
1602	aio_busy (double delay, SV *callback=&PL_sv_undef)	2126	aio_busy (double delay, SV *callback = &PL_sv_undef)
1603	PPCODE:	2127	PPCODE:
1604	{	2128	{
1605	dREQ;	2129	dREQ;
1606		2130
1607	req->type = EIO_BUSY;	2131	req->type = EIO_BUSY;
…		…
1609		2133
1610	REQ_SEND;	2134	REQ_SEND;
1611	}	2135	}
1612		2136
1613	void	2137	void
1614	aio_group (SV *callback=&PL_sv_undef)	2138	aio_group (SV *callback = &PL_sv_undef)
1615	PPCODE:	2139	PPCODE:
1616	{	2140	{
1617	dREQ;	2141	dREQ;
1618		2142
1619	req->type = EIO_GROUP;	2143	req->type = EIO_GROUP;
…		…
1624		2148
1625	XPUSHs (req_sv (req, aio_grp_stash));	2149	XPUSHs (req_sv (req, aio_grp_stash));
1626	}	2150	}
1627		2151
1628	void	2152	void
1629	aio_nop (SV *callback=&PL_sv_undef)	2153	aio_nop (SV *callback = &PL_sv_undef)
1630	ALIAS:	2154	ALIAS:
1631	aio_nop = EIO_NOP	2155	aio_nop = EIO_NOP
1632	aio_sync = EIO_SYNC	2156	aio_sync = EIO_SYNC
1633	PPCODE:	2157	PPCODE:
1634	{	2158	{
…		…
1638		2162
1639	REQ_SEND;	2163	REQ_SEND;
1640	}	2164	}
1641		2165
1642	int	2166	int
1643	aioreq_pri (int pri = 0)	2167	aioreq_pri (int pri = NO_INIT)
1644	CODE:	2168	CODE:
1645	RETVAL = next_pri;	2169	RETVAL = next_pri;
1646	if (items > 0)	2170	if (items > 0)
1647	{	2171	{
1648	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	2172	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1738	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	2262	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1739	OUTPUT:	2263	OUTPUT:
1740	RETVAL	2264	RETVAL
1741		2265
1742	void	2266	void
1743	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)	2267	mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1744	PPCODE:	2268	PPCODE:
1745	sv_unmagic (scalar, MMAP_MAGIC);	2269	sv_clear_foreign (scalar);
1746	{	2270	{
1747	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	2271	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1748	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	2272	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1749	if (addr == (void *)-1)	2273	if (addr == (void *)-1)
1750	XSRETURN_NO;	2274	XSRETURN_NO;
1751		2275
1752	sv_force_normal (scalar);	2276	sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1753
1754	/* we store the length in mg_obj, as namlen is I32 :/ */
1755	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1756	->mg_obj = (SV *)length;
1757
1758	SvUPGRADE (scalar, SVt_PV); /* nop... */
1759		2277
1760	if (!(prot & PROT_WRITE))	2278	if (!(prot & PROT_WRITE))
1761	SvREADONLY_on (scalar);	2279	SvREADONLY_on (scalar);
1762		2280
1763	if (SvLEN (scalar))
1764	Safefree (SvPVX (scalar));
1765
1766	SvPVX (scalar) = (char *)addr;
1767	SvCUR_set (scalar, length);
1768	SvLEN_set (scalar, 0);
1769	SvPOK_only (scalar);
1770
1771	XSRETURN_YES;	2281	XSRETURN_YES;
1772	}	2282	}
1773		2283
1774	void	2284	void
1775	munmap (SV *scalar)	2285	munmap (SV *scalar)
1776	CODE:	2286	CODE:
1777	sv_unmagic (scalar, MMAP_MAGIC);	2287	sv_clear_foreign (scalar);
		2288
		2289	SV *
		2290	mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
		2291	CODE:
		2292	{
		2293	MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
		2294	void *new;
		2295
		2296	if (!mg || SvPVX (scalar) != mg->mg_ptr)
		2297	croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
		2298
		2299	new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
		2300
		2301	RETVAL = &PL_sv_no;
		2302
		2303	if (new != (void *)-1)
		2304	{
		2305	RETVAL = new == (void *)mg->mg_ptr
		2306	? newSVpvn ("0 but true", 10)
		2307	: &PL_sv_yes;
		2308
		2309	mg->mg_ptr = (char *)new;
		2310	mg->mg_obj = (SV *)new_length;
		2311
		2312	SvPVX (scalar) = mg->mg_ptr;
		2313	SvCUR_set (scalar, new_length);
		2314	}
		2315	}
		2316	OUTPUT:
		2317	RETVAL
1778		2318
1779	int	2319	int
1780	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)	2320	madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1781	ALIAS:	2321	ALIAS:
1782	mprotect = 1	2322	mprotect = 1
1783	CODE:	2323	CODE:
1784	{	2324	{
1785	STRLEN svlen;	2325	STRLEN svlen;
1786	void *addr = SvPVbyte (scalar, svlen);	2326	void *addr = SvPVbyte (scalar, svlen);
1787	size_t len = SvUV (length);	2327	STRLEN len = SvUV (length);
1788		2328
1789	if (offset < 0)	2329	if (offset < 0)
1790	offset += svlen;	2330	offset += svlen;
1791		2331
1792	if (offset < 0 || offset > svlen)	2332	if (offset < 0 || offset > svlen)
…		…
1806	}	2346	}
1807	OUTPUT:	2347	OUTPUT:
1808	RETVAL	2348	RETVAL
1809		2349
1810	int	2350	int
1811	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)	2351	munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
1812	CODE:	2352	CODE:
1813	{	2353	{
1814	STRLEN svlen;	2354	STRLEN svlen;
1815	void *addr = SvPVbyte (scalar, svlen);	2355	void *addr = SvPVbyte (scalar, svlen);
1816	size_t len = SvUV (length);	2356	size_t len = SvUV (length);
…		…
1831	#else	2371	#else
1832	RETVAL = EIO_ENOSYS ();	2372	RETVAL = EIO_ENOSYS ();
1833	#endif	2373	#endif
1834	}	2374	}
1835	OUTPUT:	2375	OUTPUT:
		2376	RETVAL
		2377
		2378	int
		2379	mlockall (int flags)
		2380	PROTOTYPE: $;
		2381	CODE:
		2382	RETVAL = eio_mlockall_sync (flags);
		2383	OUTPUT:
1836	RETVAL	2384	RETVAL
1837		2385
1838	int	2386	int
1839	munlockall ()	2387	munlockall ()
1840	CODE:	2388	CODE:
…		…
1845	#endif	2393	#endif
1846	OUTPUT:	2394	OUTPUT:
1847	RETVAL	2395	RETVAL
1848		2396
1849	int	2397	int
		2398	statx (SV8 *pathname, int flags, UV mask)
		2399	CODE:
		2400	{
		2401	/* undocumented, and might go away, and anyway, should use eio_statx */
		2402	SV *wdsv = 0;
		2403	SV *pathsv = 0;
		2404	eio_wd wd = EIO_CWD;
		2405	void *ptr;
		2406	int res;
		2407
		2408	req_set_path (pathname, &wdsv, &pathsv, &wd, &ptr);
		2409	RETVAL = eio__statx (!wd || wd->fd == EIO_CWD ? AT_FDCWD : wd->fd, ptr, flags, mask & STATX_ALL, &stx);
		2410
		2411	SvREFCNT_dec (pathsv);
		2412	SvREFCNT_dec (wdsv);
		2413	}
		2414	OUTPUT:
		2415	RETVAL
		2416
		2417	U32
		2418	stx_mode ()
		2419	PROTOTYPE:
		2420	CODE:
		2421	#if HAVE_STATX
		2422	RETVAL = stx.stx_mode;
		2423	#else
		2424	XSRETURN_UNDEF;
		2425	#endif
		2426	OUTPUT:
		2427	RETVAL
		2428
		2429	#define STATX_OFFSET_mask statx_offsetof (stx_mask)
		2430	#define STATX_OFFSET_blksize statx_offsetof (stx_blksize)
		2431	#define STATX_OFFSET_nlink statx_offsetof (stx_nlink)
		2432	#define STATX_OFFSET_uid statx_offsetof (stx_uid)
		2433	#define STATX_OFFSET_gid statx_offsetof (stx_gid)
		2434	#define STATX_OFFSET_rdev_major statx_offsetof (stx_rdev_major)
		2435	#define STATX_OFFSET_rdev_minor statx_offsetof (stx_rdev_minor)
		2436	#define STATX_OFFSET_dev_major statx_offsetof (stx_dev_major)
		2437	#define STATX_OFFSET_dev_minor statx_offsetof (stx_dev_minor)
		2438	#define STATX_OFFSET_attributes statx_offsetof (stx_attributes)
		2439	#define STATX_OFFSET_ino statx_offsetof (stx_ino)
		2440	#define STATX_OFFSET_size statx_offsetof (stx_size)
		2441	#define STATX_OFFSET_blocks statx_offsetof (stx_blocks)
		2442	#define STATX_OFFSET_attributes_mask statx_offsetof (stx_attributes_mask)
		2443	#define STATX_OFFSET_atime statx_offsetof (stx_atime)
		2444	#define STATX_OFFSET_btime statx_offsetof (stx_btime)
		2445	#define STATX_OFFSET_ctime statx_offsetof (stx_ctime)
		2446	#define STATX_OFFSET_mtime statx_offsetof (stx_mtime)
		2447
		2448	U32
		2449	stx_mask ()
		2450	PROTOTYPE:
		2451	ALIAS:
		2452	stx_mask = STATX_OFFSET_mask
		2453	stx_blksize = STATX_OFFSET_blksize
		2454	stx_nlink = STATX_OFFSET_nlink
		2455	stx_uid = STATX_OFFSET_uid
		2456	stx_gid = STATX_OFFSET_gid
		2457	stx_rdev_major = STATX_OFFSET_rdev_major
		2458	stx_rdev_minor = STATX_OFFSET_rdev_minor
		2459	stx_dev_major = STATX_OFFSET_dev_major
		2460	stx_dev_minor = STATX_OFFSET_dev_minor
		2461	CODE:
		2462	#if HAVE_STATX
		2463	RETVAL = *(__u32 *)((char *)&stx + ix);
		2464	#else
		2465	XSRETURN_UNDEF;
		2466	#endif
		2467	OUTPUT:
		2468	RETVAL
		2469
		2470	VAL64
		2471	stx_attributes ()
		2472	PROTOTYPE:
		2473	ALIAS:
		2474	stx_attributes = STATX_OFFSET_attributes
		2475	stx_ino = STATX_OFFSET_ino
		2476	stx_size = STATX_OFFSET_size
		2477	stx_blocks = STATX_OFFSET_blocks
		2478	stx_attributes_mask = STATX_OFFSET_attributes_mask
		2479	CODE:
		2480	#if HAVE_STATX
		2481	RETVAL = *(__u64 *)((char *)&stx + ix);
		2482	#else
		2483	XSRETURN_UNDEF;
		2484	#endif
		2485	OUTPUT:
		2486	RETVAL
		2487
		2488	NV
		2489	stx_atime ()
		2490	PROTOTYPE:
		2491	ALIAS:
		2492	stx_atime = STATX_OFFSET_atime
		2493	stx_btime = STATX_OFFSET_btime
		2494	stx_ctime = STATX_OFFSET_ctime
		2495	stx_mtime = STATX_OFFSET_mtime
		2496	CODE:
		2497	#if HAVE_STATX
		2498	struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
		2499	RETVAL = ts->tv_sec + ts->tv_nsec * 1e-9;
		2500	#else
		2501	XSRETURN_UNDEF;
		2502	#endif
		2503	OUTPUT:
		2504	RETVAL
		2505
		2506	VAL64
		2507	stx_atimesec ()
		2508	PROTOTYPE:
		2509	ALIAS:
		2510	stx_atimesec = STATX_OFFSET_atime
		2511	stx_btimesec = STATX_OFFSET_btime
		2512	stx_ctimesec = STATX_OFFSET_ctime
		2513	stx_mtimesec = STATX_OFFSET_mtime
		2514	CODE:
		2515	#if HAVE_STATX
		2516	struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
		2517	RETVAL = ts->tv_sec;
		2518	#else
		2519	XSRETURN_UNDEF;
		2520	#endif
		2521	OUTPUT:
		2522	RETVAL
		2523
		2524	U32
		2525	stx_atimensec ()
		2526	PROTOTYPE:
		2527	ALIAS:
		2528	stx_atimensec = STATX_OFFSET_atime
		2529	stx_btimensec = STATX_OFFSET_btime
		2530	stx_ctimensec = STATX_OFFSET_ctime
		2531	stx_mtimensec = STATX_OFFSET_mtime
		2532	CODE:
		2533	#if HAVE_STATX
		2534	struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
		2535	RETVAL = ts->tv_nsec;
		2536	#else
		2537	RETVAL = 0;
		2538	#endif
		2539	OUTPUT:
		2540	RETVAL
		2541
		2542	void
		2543	accept4 (aio_rfd rfh, SV *sockaddr, int salen, int flags)
		2544	PPCODE:
		2545	{
		2546	SV *retval;
		2547	#if HAVE_ACCEPT4
		2548	socklen_t salen_ = salen ? salen + 1 : 0;
		2549
		2550	if (salen)
		2551	{
		2552	sv_upgrade (sockaddr, SVt_PV);
		2553	sv_grow (sockaddr, salen_);
		2554	}
		2555
		2556	int res = accept4 (rfh, salen ? (struct sockaddr *)SvPVX (sockaddr) : 0, salen ? &salen_ : 0, flags);
		2557
		2558	retval = newmortalFH (res, O_RDWR);
		2559
		2560	if (res >= 0 && salen > 0)
		2561	{
		2562	if (salen_ > salen + 1)
		2563	salen_ = salen + 1;
		2564
		2565	SvPOK_only (sockaddr);
		2566	SvCUR_set (sockaddr, salen_);
		2567	}
		2568	#else
		2569	errno = ENOSYS;
		2570	retval = &PL_sv_undef;
		2571	#endif
		2572	XPUSHs (retval);
		2573	}
		2574
		2575	ssize_t
1850	splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)	2576	splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
1851	CODE:	2577	CODE:
1852	{	2578	{
1853	#if HAVE_LINUX_SPLICE	2579	#if HAVE_LINUX_SPLICE
1854	loff_t off_in_, off_out_;	2580	loff_t off_in_, off_out_;
…		…
1862	#endif	2588	#endif
1863	}	2589	}
1864	OUTPUT:	2590	OUTPUT:
1865	RETVAL	2591	RETVAL
1866		2592
1867	int	2593	ssize_t
1868	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)	2594	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
1869	CODE:	2595	CODE:
1870	#if HAVE_LINUX_SPLICE	2596	#if HAVE_LINUX_SPLICE
1871	RETVAL = tee (rfh, wfh, length, flags);	2597	RETVAL = tee (rfh, wfh, length, flags);
1872	#else	2598	#else
…		…
1888	errno = ENOSYS;	2614	errno = ENOSYS;
1889	RETVAL = -1;	2615	RETVAL = -1;
1890	#endif	2616	#endif
1891	OUTPUT:	2617	OUTPUT:
1892	RETVAL	2618	RETVAL
		2619
		2620	void
		2621	pipe2 (int flags = 0)
		2622	PROTOTYPE: ;$
		2623	PPCODE:
		2624	{
		2625	int fd[2];
		2626	int res;
		2627
		2628	if (flags)
		2629	#if HAVE_PIPE2
		2630	res = pipe2 (fd, flags);
		2631	#else
		2632	res = (errno = ENOSYS, -1);
		2633	#endif
		2634	else
		2635	res = pipe (fd);
		2636
		2637	if (!res)
		2638	{
		2639	EXTEND (SP, 2);
		2640	PUSHs (newmortalFH (fd[0], O_RDONLY));
		2641	PUSHs (newmortalFH (fd[1], O_WRONLY));
		2642	}
		2643	}
		2644
		2645	void
		2646	pidfd_open (int pid, unsigned int flags = 0)
		2647	PPCODE:
		2648	{
		2649	/*GENDEF0_SYSCALL(pidfd_open,434)*/
		2650	int fd = syscall (SYS_pidfd_open, pid, flags);
		2651	XPUSHs (newmortalFH (fd, O_RDWR));
		2652	}
		2653
		2654	int
		2655	pidfd_send_signal (SV *pidfh, int sig, SV *siginfo = &PL_sv_undef, unsigned int flags = 0)
		2656	PPCODE:
		2657	{
		2658	int res;
		2659	siginfo_t si = { 0 };
		2660
		2661	if (SvOK (siginfo))
		2662	{
		2663	HV *hv;
		2664	SV **svp;
		2665
		2666	if (!SvROK (siginfo) || SvTYPE (SvRV (siginfo)) != SVt_PVHV)
		2667	croak ("siginfo argument must be a hashref code, pid, uid and value_int or value_ptr members, caught");
		2668
		2669	hv = (HV *)SvRV (siginfo);
		2670
		2671	if ((svp = hv_fetchs (hv, "code" , 0))) si.si_code = SvIV (*svp);
		2672	if ((svp = hv_fetchs (hv, "pid" , 0))) si.si_pid = SvIV (*svp);
		2673	if ((svp = hv_fetchs (hv, "uid" , 0))) si.si_uid = SvIV (*svp);
		2674	if ((svp = hv_fetchs (hv, "value_int", 0))) si.si_value.sival_int = SvIV (*svp);
		2675	if ((svp = hv_fetchs (hv, "value_ptr", 0))) si.si_value.sival_ptr = (void *)SvIV (*svp);
		2676	}
		2677
		2678	/*GENDEF0_SYSCALL(pidfd_send_signal,424)*/
		2679	res = syscall (SYS_pidfd_send_signal, s_fileno_croak (pidfh, 0), sig, SvOK (siginfo) ? &si : 0, flags);
		2680
		2681	XPUSHs (sv_2mortal (newSViv (res)));
		2682	}
		2683
		2684	void
		2685	pidfd_getfd (SV *pidfh, int targetfd, unsigned int flags = 0)
		2686	PPCODE:
		2687	{
		2688	/*GENDEF0_SYSCALL(pidfd_getfd,438)*/
		2689	int fd = syscall (SYS_pidfd_getfd, s_fileno_croak (pidfh, 0), targetfd, flags);
		2690	XPUSHs (newmortalFH (fd, O_RDWR));
		2691	}
		2692
		2693	void
		2694	eventfd (unsigned int initval = 0, int flags = 0)
		2695	PPCODE:
		2696	{
		2697	int fd;
		2698	#if HAVE_EVENTFD
		2699	fd = eventfd (initval, flags);
		2700	#else
		2701	fd = (errno = ENOSYS, -1);
		2702	#endif
		2703
		2704	XPUSHs (newmortalFH (fd, O_RDWR));
		2705	}
		2706
		2707	void
		2708	timerfd_create (int clockid, int flags = 0)
		2709	PPCODE:
		2710	{
		2711	int fd;
		2712	#if HAVE_TIMERFD
		2713	fd = timerfd_create (clockid, flags);
		2714	#else
		2715	fd = (errno = ENOSYS, -1);
		2716	#endif
		2717
		2718	XPUSHs (newmortalFH (fd, O_RDWR));
		2719	}
		2720
		2721	void
		2722	timerfd_settime (SV *fh, int flags, NV interval, NV value)
		2723	PPCODE:
		2724	{
		2725	int fd = s_fileno_croak (fh, 0);
		2726	#if HAVE_TIMERFD
		2727	int res;
		2728	struct itimerspec its, ots;
		2729
		2730	ts_set (&its.it_interval, interval);
		2731	ts_set (&its.it_value , value);
		2732	res = timerfd_settime (fd, flags, &its, &ots);
		2733
		2734	if (!res)
		2735	{
		2736	EXTEND (SP, 2);
		2737	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2738	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2739	}
		2740	#else
		2741	errno = ENOSYS;
		2742	#endif
		2743	}
		2744
		2745	void
		2746	timerfd_gettime (SV *fh)
		2747	PPCODE:
		2748	{
		2749	int fd = s_fileno_croak (fh, 0);
		2750	#if HAVE_TIMERFD
		2751	int res;
		2752	struct itimerspec ots;
		2753	res = timerfd_gettime (fd, &ots);
		2754
		2755	if (!res)
		2756	{
		2757	EXTEND (SP, 2);
		2758	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2759	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2760	}
		2761	#else
		2762	errno = ENOSYS;
		2763	#endif
		2764	}
		2765
		2766	void
		2767	memfd_create (SV8 *pathname, int flags = 0)
		2768	PPCODE:
		2769	{
		2770	int fd;
		2771	#if HAVE_MEMFD_CREATE
		2772	fd = memfd_create (SvPVbyte_nolen (pathname), flags);
		2773	#else
		2774	fd = (errno = ENOSYS, -1);
		2775	#endif
		2776
		2777	XPUSHs (newmortalFH (fd, O_RDWR));
		2778	}
		2779
		2780	UV
		2781	get_fdlimit ()
		2782	CODE:
		2783	#if HAVE_RLIMITS
		2784	struct rlimit rl;
		2785	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2786	XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
		2787	#endif
		2788	XSRETURN_UNDEF;
		2789	OUTPUT:
		2790	RETVAL
		2791
		2792	void
		2793	min_fdlimit (UV limit = 0x7fffffffU)
		2794	CODE:
		2795	{
		2796	#if HAVE_RLIMITS
		2797	struct rlimit rl;
		2798	rlim_t orig_rlim_max;
		2799	UV bit;
		2800
		2801	if (0 != getrlimit (RLIMIT_NOFILE, &rl))
		2802	goto fail;
		2803
		2804	if (rl.rlim_cur == RLIM_INFINITY)
		2805	XSRETURN_YES;
		2806
		2807	orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
		2808
		2809	if (rl.rlim_cur < limit)
		2810	{
		2811	rl.rlim_cur = limit;
		2812
		2813	if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
		2814	rl.rlim_max = rl.rlim_cur;
		2815	}
		2816
		2817	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2818	XSRETURN_YES;
		2819
		2820	if (errno == EPERM)
		2821	{
		2822	/* setrlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
		2823	/* our limit overflows a system-wide limit */
		2824	/* try an adaptive algorithm, but do not lower the hardlimit */
		2825	rl.rlim_max = 0;
		2826	for (bit = 0x40000000U; bit; bit >>= 1)
		2827	{
		2828	rl.rlim_max |= bit;
		2829	rl.rlim_cur = rl.rlim_max;
		2830
		2831	/* never decrease the hard limit */
		2832	if (rl.rlim_max < orig_rlim_max)
		2833	break;
		2834
		2835	if (0 != setrlimit (RLIMIT_NOFILE, &rl))
		2836	rl.rlim_max &= ~bit; /* too high, remove bit again */
		2837	}
		2838
		2839	/* now, raise the soft limit to the max permitted */
		2840	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2841	{
		2842	rl.rlim_cur = rl.rlim_max;
		2843	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2844	errno = EPERM;
		2845	}
		2846	}
		2847	#endif
		2848	fail:
		2849	XSRETURN_UNDEF;
		2850	}
1893		2851
1894	void _on_next_submit (SV *cb)	2852	void _on_next_submit (SV *cb)
1895	CODE:	2853	CODE:
1896	SvREFCNT_dec (on_next_submit);	2854	SvREFCNT_dec (on_next_submit);
1897	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	2855	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
…		…
1932	cancel (aio_req_ornot req)	2890	cancel (aio_req_ornot req)
1933	CODE:	2891	CODE:
1934	eio_cancel (req);	2892	eio_cancel (req);
1935		2893
1936	void	2894	void
1937	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	2895	cb (aio_req_ornot req, SV *callback = NO_INIT)
1938	PPCODE:	2896	PPCODE:
1939	{	2897	{
1940	if (GIMME_V != G_VOID)	2898	if (GIMME_V != G_VOID)
1941	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	2899	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1942		2900
1943	if (items > 1)	2901	if (items > 1)
1944	{	2902	{
1945	SV *cb_cv =get_cb (callback);	2903	SV *cb_cv = get_cb (callback);
1946		2904
1947	SvREFCNT_dec (req->callback);	2905	SvREFCNT_dec (req->callback);
1948	req->callback = SvREFCNT_inc (cb_cv);	2906	req->callback = SvREFCNT_inc (cb_cv);
1949	}	2907	}
1950	}	2908	}
…		…
2007	limit (aio_req grp, int limit)	2965	limit (aio_req grp, int limit)
2008	CODE:	2966	CODE:
2009	eio_grp_limit (grp, limit);	2967	eio_grp_limit (grp, limit);
2010		2968
2011	void	2969	void
2012	feed (aio_req grp, SV *callback=&PL_sv_undef)	2970	feed (aio_req grp, SV *callback = &PL_sv_undef)
2013	CODE:	2971	CODE:
2014	{	2972	{
2015	SvREFCNT_dec (grp->sv2);	2973	SvREFCNT_dec (grp->sv2);
2016	grp->sv2 = newSVsv (callback);	2974	grp->sv2 = newSVsv (callback);
2017	grp->feed = aio_grp_feed;	2975	grp->feed = aio_grp_feed;

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