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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.224 by root, Thu Oct 11 03:20:52 2012 UTC vs.
Revision 1.268 by root, Thu Nov 29 19:49:48 2018 UTC

…		…
4		4
5	#include "EXTERN.h"	5	#include "EXTERN.h"
6	#include "perl.h"	6	#include "perl.h"
7	#include "XSUB.h"	7	#include "XSUB.h"
8		8
9	#include "schmorp.h"	9	#if !defined mg_findext
		10	# define mg_findext(sv,type,vtbl) mg_find (sv, type)
		11	#endif
10		12
11	#include <stddef.h>	13	#include <stddef.h>
12	#include <stdlib.h>	14	#include <stdlib.h>
13	#include <errno.h>	15	#include <errno.h>
14	#include <sys/types.h>	16	#include <sys/types.h>
		17	#include <sys/socket.h>
15	#include <sys/stat.h>	18	#include <sys/stat.h>
16	#include <limits.h>	19	#include <limits.h>
17	#include <fcntl.h>	20	#include <fcntl.h>
18	#include <sched.h>	21	#include <sched.h>
19		22
20	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES	23	/* the incompetent fool that created musl keeps __linux__, refuses
21	# include <sys/mman.h>	24	* to implement any linux standard apis, and also has no way to test
22	#endif	25	* for his broken iplementation. don't complain to me if this fails
23		26	* for you.
24	#if __linux__	27	*/
		28	#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
25	# include <linux/fs.h>	29	# include <linux/fs.h>
26	# ifdef FS_IOC_FIEMAP	30	# ifdef FS_IOC_FIEMAP
27	# include <linux/types.h>	31	# include <linux/types.h>
28	# include <linux/fiemap.h>	32	# include <linux/fiemap.h>
29	# define HAVE_FIEMAP 1	33	# define HAVE_FIEMAP 1
…		…
70	#undef fchmod	74	#undef fchmod
71	#undef dup	75	#undef dup
72	#undef dup2	76	#undef dup2
73	#undef abort	77	#undef abort
74	#undef pipe	78	#undef pipe
		79	#undef utime
75		80
76	#define EIO_STRUCT_STAT struct _stati64	81	#define EIO_STRUCT_STAT struct _stati64
77	#define EIO_STRUCT_STATI64	82	#define EIO_STRUCT_STATI64
78		83
79	#else	84	#else
…		…
98		103
99	#define expect_false(expr) expect ((expr) != 0, 0)	104	#define expect_false(expr) expect ((expr) != 0, 0)
100	#define expect_true(expr) expect ((expr) != 0, 1)	105	#define expect_true(expr) expect ((expr) != 0, 1)
101		106
102	/*****************************************************************************/	107	/*****************************************************************************/
		108
		109	#include "config.h"
		110
		111	#if HAVE_SYS_MKDEV_H
		112	# include <sys/mkdev.h>
		113	#elif HAVE_SYS_SYSMACROS_H
		114	# include <sys/sysmacros.h>
		115	#endif
		116
		117	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
		118	# include <sys/mman.h>
		119	#endif
		120
		121	#if HAVE_ST_XTIMENSEC
		122	# define ATIMENSEC PL_statcache.st_atimensec
		123	# define MTIMENSEC PL_statcache.st_mtimensec
		124	# define CTIMENSEC PL_statcache.st_ctimensec
		125	#elif HAVE_ST_XTIMESPEC
		126	# define ATIMENSEC PL_statcache.st_atim.tv_nsec
		127	# define MTIMENSEC PL_statcache.st_mtim.tv_nsec
		128	# define CTIMENSEC PL_statcache.st_ctim.tv_nsec
		129	#else
		130	# define ATIMENSEC 0
		131	# define MTIMENSEC 0
		132	# define CTIMENSEC 0
		133	#endif
		134
		135	#if HAVE_ST_BIRTHTIMENSEC
		136	# define BTIMESEC PL_statcache.st_birthtime
		137	# define BTIMENSEC PL_statcache.st_birthtimensec
		138	#elif HAVE_ST_BIRTHTIMESPEC
		139	# define BTIMESEC PL_statcache.st_birthtim.tv_sec
		140	# define BTIMENSEC PL_statcache.st_birthtim.tv_nsec
		141	#else
		142	# define BTIMESEC 0
		143	# define BTIMENSEC 0
		144	#endif
		145
		146	#if HAVE_ST_GEN
		147	# define ST_GEN PL_statcache.st_gen
		148	#else
		149	# define ST_GEN 0
		150	#endif
		151
		152	#include "schmorp.h"
		153
		154	#if HAVE_EVENTFD
		155	# include <sys/eventfd.h>
		156	#endif
		157
		158	#if HAVE_TIMERFD
		159	# include <sys/timerfd.h>
		160	#endif
		161
		162	#if HAVE_RLIMITS
		163	#include <sys/time.h>
		164	#include <sys/resource.h>
		165	#endif
103		166
104	typedef SV SV8; /* byte-sv, used for argument-checking */	167	typedef SV SV8; /* byte-sv, used for argument-checking */
105	typedef int aio_rfd; /* read file desriptor */	168	typedef int aio_rfd; /* read file desriptor */
106	typedef int aio_wfd; /* write file descriptor */	169	typedef int aio_wfd; /* write file descriptor */
107		170
…		…
114	STRLEN stroffset; \	177	STRLEN stroffset; \
115	SV *self;	178	SV *self;
116		179
117	#define EIO_NO_WRAPPERS 1	180	#define EIO_NO_WRAPPERS 1
118		181
119	#include "libeio/config.h"
120	#include "libeio/eio.h"	182	#include "libeio/eio.h"
121		183
122	static int req_invoke (eio_req *req);	184	static int req_invoke (eio_req *req);
123	#define EIO_FINISH(req) req_invoke (req)	185	#define EIO_FINISH(req) req_invoke (req)
124	static void req_destroy (eio_req *grp);	186	static void req_destroy (eio_req *grp);
…		…
140	# else	202	# else
141	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	203	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
142	# endif	204	# endif
143	#endif	205	#endif
144		206
145	/* defines all sorts of constants to 0 unless they are already defined */
146	#include "def0.h"
147
148	#ifndef makedev	207	#ifndef makedev
149	# define makedev(maj,min) (((maj) << 8) | (min))	208	# define makedev(maj,min) (((maj) << 8) | (min))
150	#endif	209	#endif
151	#ifndef major	210	#ifndef major
152	# define major(dev) ((dev) >> 8)	211	# define major(dev) ((dev) >> 8)
153	#endif	212	#endif
154	#ifndef minor	213	#ifndef minor
155	# define minor(dev) ((dev) & 0xff)	214	# define minor(dev) ((dev) & 0xff)
156	#endif	215	#endif
157		216
		217	/* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */
		218	#ifdef __sun
158	#ifndef PAGESIZE	219	# undef PAGESIZE
		220	#endif
		221
		222	#if PAGESIZE <= 0
159	# define PAGESIZE sysconf (_SC_PAGESIZE)	223	# define PAGESIZE sysconf (_SC_PAGESIZE)
160	#endif	224	#endif
		225
		226	/*****************************************************************************/
		227
		228	#if !_POSIX_MAPPED_FILES
		229	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
		230	# define munmap(addr,length) EIO_ENOSYS ()
		231	#endif
		232
		233	#if !_POSIX_MEMORY_PROTECTION
		234	# define mprotect(addr,len,prot) EIO_ENOSYS ()
		235	#endif
		236
		237	#if !MREMAP_MAYMOVE
		238	# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
		239	#endif
		240
		241	#define FOREIGN_MAGIC PERL_MAGIC_ext
		242
		243	static int ecb_cold
		244	mmap_free (pTHX_ SV *sv, MAGIC *mg)
		245	{
		246	int old_errno = errno;
		247	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		248	errno = old_errno;
		249
		250	mg->mg_obj = 0; /* just in case */
		251
		252	SvREADONLY_off (sv);
		253
		254	if (SvPVX (sv) != mg->mg_ptr)
		255	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		256
		257	SvCUR_set (sv, 0);
		258	SvPVX (sv) = 0;
		259	SvOK_off (sv);
		260
		261	return 0;
		262	}
		263
		264	static MGVTBL mmap_vtbl = {
		265	0, 0, 0, 0, mmap_free
		266	};
		267
		268	static int ecb_cold
		269	sysfree_free (pTHX_ SV *sv, MAGIC *mg)
		270	{
		271	free (mg->mg_ptr);
		272	mg->mg_obj = 0; /* just in case */
		273
		274	SvREADONLY_off (sv);
		275
		276	if (SvPVX (sv) != mg->mg_ptr)
		277	croak ("ERROR: IO::AIO mapped scalar changed location, detected");
		278
		279	SvCUR_set (sv, 0);
		280	SvPVX (sv) = 0;
		281	SvOK_off (sv);
		282
		283	return 0;
		284	}
		285
		286	static MGVTBL sysfree_vtbl = {
		287	0, 0, 0, 0, sysfree_free
		288	};
		289
		290	/*****************************************************************************/
		291
		292	/* helper: set scalar to foreign ptr with custom free */
		293	static void
		294	sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
		295	{
		296	sv_force_normal (sv);
		297
		298	/* we store the length in mg_obj, as namlen is I32 :/ */
		299	sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
		300	->mg_obj = (SV *)length;
		301
		302	SvUPGRADE (sv, SVt_PV); /* nop... */
		303
		304	if (SvLEN (sv))
		305	Safefree (SvPVX (sv));
		306
		307	SvPVX (sv) = (char *)addr;
		308	SvCUR_set (sv, length);
		309	SvLEN_set (sv, 0);
		310	SvPOK_only (sv);
		311	}
		312
		313	static void
		314	sv_clear_foreign (SV *sv)
		315	{
		316	/* todo: iterate over magic and only free ours, but of course */
		317	/* the perl5porters will call that (correct) behaviour buggy */
		318	sv_unmagic (sv, FOREIGN_MAGIC);
		319	}
		320
		321	/*****************************************************************************/
		322
		323	/* defines all sorts of constants to 0 unless they are already defined */
		324	/* also provides const_iv_ and const_niv_ macros for them */
		325	#include "def0.h"
161		326
162	/*****************************************************************************/	327	/*****************************************************************************/
163		328
164	static void	329	static void
165	fiemap (eio_req *req)	330	fiemap (eio_req *req)
…		…
198	|| !fiemap->fm_mapped_extents /* no more extents */	363	|| !fiemap->fm_mapped_extents /* no more extents */
199	|| fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)	364	|| fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
200	goto done;	365	goto done;
201		366
202	/* else we have to loop -	367	/* else we have to loop -
203	* it would be tempting (atcually I tried that first) to just query the	368	* it would be tempting (actually I tried that first) to just query the
204	* number of extents needed, but linux often feels like not returning all	369	* number of extents needed, but linux often feels like not returning all
205	* extents, without telling us it left any out. this complicates	370	* extents, without telling us it left any out. this complicates
206	* this quite a bit.	371	* this quite a bit.
207	*/	372	*/
208		373
…		…
221	incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);	386	incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
222		387
223	if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)	388	if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
224	return;	389	return;
225		390
		391	if (!incmap->fm_mapped_extents)
		392	goto done;
		393
226	count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;	394	count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
227	fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);	395	fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
228	errno = ENOMEM;	396	errno = ENOMEM;
229	if (!fiemap)	397	if (!fiemap)
230	return;	398	return;
…		…
254	#endif	422	#endif
255	}	423	}
256		424
257	/*****************************************************************************/	425	/*****************************************************************************/
258		426
		427	static int close_fd; /* dummy fd to close fds via dup2 */
		428
259	enum {	429	enum {
260	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	430	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
261	};	431	};
262		432
263	typedef eio_req *aio_req;	433	typedef eio_req *aio_req;
…		…
301	}	471	}
302		472
303	static SV *	473	static SV *
304	newSVaio_wd (aio_wd wd)	474	newSVaio_wd (aio_wd wd)
305	{	475	{
306	return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash);	476	return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
307	}	477	}
308		478
309	static aio_req	479	static aio_req
310	SvAIO_REQ (SV *sv)	480	SvAIO_REQ (SV *sv)
311	{	481	{
…		…
330	|| SvTYPE (SvRV (sv)) != SVt_PVMG	500	|| SvTYPE (SvRV (sv)) != SVt_PVMG
331	|| SvSTASH (SvRV (sv)) != aio_wd_stash)	501	|| SvSTASH (SvRV (sv)) != aio_wd_stash)
332	croak ("IO::AIO: expected a working directory object as returned by aio_wd");	502	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
333		503
334	return (aio_wd)(long)SvIVX (SvRV (sv));	504	return (aio_wd)(long)SvIVX (SvRV (sv));
		505	}
		506
		507	static SV *
		508	newmortalFH (int fd, int flags)
		509	{
		510	if (fd < 0)
		511	return &PL_sv_undef;
		512
		513	GV *gv = (GV *)sv_newmortal ();
		514	char sym[64];
		515	int symlen;
		516
		517	symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
		518	gv_init (gv, aio_stash, sym, symlen, 0);
		519
		520	symlen = snprintf (
		521	sym,
		522	sizeof (sym),
		523	"%s&=%d",
		524	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
		525	fd
		526	);
		527
		528	return do_open (gv, sym, symlen, 0, 0, 0, 0)
		529	? (SV *)gv : &PL_sv_undef;
335	}	530	}
336		531
337	static void	532	static void
338	aio_grp_feed (aio_req grp)	533	aio_grp_feed (aio_req grp)
339	{	534	{
…		…
467	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));	662	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
468	}	663	}
469	break;	664	break;
470		665
471	case EIO_OPEN:	666	case EIO_OPEN:
472	{	667	PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
473	/* convert fd to fh */
474	SV *fh = &PL_sv_undef;
475
476	if (req->result >= 0)
477	{
478	GV *gv = (GV *)sv_newmortal ();
479	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
480	char sym [64];
481	int symlen;
482
483	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
484	gv_init (gv, aio_stash, sym, symlen, 0);
485
486	symlen = snprintf (
487	sym,
488	sizeof (sym),
489	"%s&=%d",
490	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
491	(int)req->result
492	);
493
494	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
495	fh = (SV *)gv;
496	}
497
498	PUSHs (fh);
499	}
500	break;	668	break;
501		669
502	case EIO_STATVFS:	670	case EIO_STATVFS:
503	case EIO_FSTATVFS:	671	case EIO_FSTATVFS:
504	{	672	{
…		…
584	SvSETMAGIC (req->sv2);	752	SvSETMAGIC (req->sv2);
585	PUSHs (sv_result);	753	PUSHs (sv_result);
586	}	754	}
587	break;	755	break;
588		756
		757	case EIO_SLURP:
		758	{
		759	if (req->result >= 0)
		760	{
		761	/* if length was originally not known, we steal the malloc'ed memory */
		762	if (req->flags & EIO_FLAG_PTR2_FREE)
		763	{
		764	req->flags &= ~EIO_FLAG_PTR2_FREE;
		765	sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
		766	}
		767	else
		768	{
		769	SvCUR_set (req->sv2, req->result);
		770	*SvEND (req->sv2) = 0;
		771	SvPOK_only (req->sv2);
		772	}
		773
		774	SvSETMAGIC (req->sv2);
		775	}
		776
		777	PUSHs (sv_result);
		778	}
		779	break;
		780
589	case EIO_CUSTOM:	781	case EIO_CUSTOM:
590	if (req->feed == fiemap)	782	if (req->feed == fiemap)
591	{	783	{
592	#if HAVE_FIEMAP	784	#if HAVE_FIEMAP
593	if (!req->result)	785	if (!req->result)
…		…
698	{	890	{
699	while (eio_nreqs ())	891	while (eio_nreqs ())
700	{	892	{
701	int size;	893	int size;
702		894
703	X_LOCK (reslock);	895	X_LOCK (EIO_POOL->reslock);
704	size = res_queue.size;	896	size = EIO_POOL->res_queue.size;
705	X_UNLOCK (reslock);	897	X_UNLOCK (EIO_POOL->reslock);
706		898
707	if (size)	899	if (size)
708	return;	900	return;
709		901
710	etp_maybe_start_thread ();	902	etp_maybe_start_thread (EIO_POOL);
711		903
712	s_epipe_wait (&respipe);	904	s_epipe_wait (&respipe);
713	}	905	}
714	}	906	}
715		907
…		…
736	create_respipe ();	928	create_respipe ();
737		929
738	if (eio_init (want_poll, done_poll) < 0)	930	if (eio_init (want_poll, done_poll) < 0)
739	croak ("IO::AIO: unable to initialise eio library");	931	croak ("IO::AIO: unable to initialise eio library");
740	}	932	}
741
742	/*****************************************************************************/
743
744	#if !_POSIX_MAPPED_FILES
745	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
746	# define munmap(addr,length) EIO_ENOSYS ()
747	#endif
748
749	#if !_POSIX_MEMORY_PROTECTION
750	# define mprotect(addr,len,prot) EIO_ENOSYS ()
751	# define PROT_NONE 0
752	# define PROT_WRITE 0
753	# define MAP_PRIVATE 0
754	# define MAP_SHARED 0
755	# define MAP_FIXED 0
756	#endif
757
758	#define MMAP_MAGIC PERL_MAGIC_ext
759
760	static int ecb_cold
761	mmap_free (pTHX_ SV *sv, MAGIC *mg)
762	{
763	int old_errno = errno;
764	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
765	errno = old_errno;
766
767	mg->mg_obj = 0; /* just in case */
768
769	SvREADONLY_off (sv);
770
771	if (SvPVX (sv) != mg->mg_ptr)
772	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
773
774	SvCUR_set (sv, 0);
775	SvPVX (sv) = 0;
776	SvOK_off (sv);
777
778	return 0;
779	}
780
781	static MGVTBL mmap_vtbl = {
782	0, 0, 0, 0, mmap_free
783	};
784		933
785	/*****************************************************************************/	934	/*****************************************************************************/
786		935
787	static SV *	936	static SV *
788	get_cb (SV *cb_sv)	937	get_cb (SV *cb_sv)
…		…
884	req_set_path1 (req, fh_or_path);	1033	req_set_path1 (req, fh_or_path);
885	break;	1034	break;
886	}	1035	}
887	}	1036	}
888		1037
		1038	/*****************************************************************************/
		1039
		1040	static void
		1041	ts_set (struct timespec *ts, NV value)
		1042	{
		1043	ts->tv_sec = value;
		1044	ts->tv_nsec = (value - ts->tv_sec) * 1e9;
		1045	}
		1046
		1047	static NV
		1048	ts_get (const struct timespec *ts)
		1049	{
		1050	return ts->tv_sec + ts->tv_nsec * 1e-9;
		1051	}
		1052
		1053	/*****************************************************************************/
		1054
889	XS(boot_IO__AIO) ecb_cold;	1055	XS(boot_IO__AIO) ecb_cold;
890		1056
891	MODULE = IO::AIO PACKAGE = IO::AIO	1057	MODULE = IO::AIO PACKAGE = IO::AIO
892		1058
893	PROTOTYPES: ENABLE	1059	PROTOTYPES: ENABLE
…		…
900	} *civ, const_iv[] = {	1066	} *civ, const_iv[] = {
901	# define const_niv(name, value) { # name, (IV) value },	1067	# define const_niv(name, value) { # name, (IV) value },
902	# define const_iv(name) { # name, (IV) name },	1068	# define const_iv(name) { # name, (IV) name },
903	# define const_eio(name) { # name, (IV) EIO_ ## name },	1069	# define const_eio(name) { # name, (IV) EIO_ ## name },
904		1070
905	/* you have to re-run ./gendef0 after adding/Removing any constants here */	1071	/* you have to re-run ./gendef0 after adding/removing any constants here */
906		1072	/* the first block can be undef if missing */
907	const_iv (ENOSYS)	1073	const_iv (ENOSYS)
908	const_iv (EXDEV)	1074	const_iv (EXDEV)
909	const_iv (EBADR)	1075	const_iv (EBADR)
		1076
		1077	/* for lseek */
		1078	const_iv (SEEK_DATA)
		1079	const_iv (SEEK_HOLE)
		1080
		1081	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
		1082	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		1083	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
		1084	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		1085	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		1086	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		1087
		1088	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		1089	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		1090	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		1091	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		1092	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		1093
		1094	/* the second block will be 0 when missing */
		1095	const_iv (O_ACCMODE)
910		1096
911	const_iv (O_RDONLY)	1097	const_iv (O_RDONLY)
912	const_iv (O_WRONLY)	1098	const_iv (O_WRONLY)
913	const_iv (O_RDWR)	1099	const_iv (O_RDWR)
914	const_iv (O_CREAT)	1100	const_iv (O_CREAT)
…		…
928	const_iv (O_SEARCH)	1114	const_iv (O_SEARCH)
929	const_iv (O_DIRECTORY)	1115	const_iv (O_DIRECTORY)
930	const_iv (O_DSYNC)	1116	const_iv (O_DSYNC)
931	const_iv (O_RSYNC)	1117	const_iv (O_RSYNC)
932	const_iv (O_SYNC)	1118	const_iv (O_SYNC)
		1119	const_iv (O_PATH)
		1120	const_iv (O_TMPFILE)
933	const_iv (O_TTY_INIT)	1121	const_iv (O_TTY_INIT)
934		1122
935	const_iv (S_IFIFO)	1123	const_iv (S_IFIFO)
936	const_iv (S_IFCHR)	1124	const_iv (S_IFCHR)
937	const_iv (S_IFBLK)	1125	const_iv (S_IFBLK)
…		…
939	const_iv (S_IFREG)	1127	const_iv (S_IFREG)
940	const_iv (S_IFDIR)	1128	const_iv (S_IFDIR)
941	const_iv (S_IFWHT)	1129	const_iv (S_IFWHT)
942	const_iv (S_IFSOCK)	1130	const_iv (S_IFSOCK)
943	const_iv (S_IFMT)	1131	const_iv (S_IFMT)
944
945	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
946	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
947	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
948	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
949	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
950	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
951
952	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
953	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
954	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
955	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
956	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
957		1132
958	const_iv (ST_RDONLY)	1133	const_iv (ST_RDONLY)
959	const_iv (ST_NOSUID)	1134	const_iv (ST_NOSUID)
960	const_iv (ST_NODEV)	1135	const_iv (ST_NODEV)
961	const_iv (ST_NOEXEC)	1136	const_iv (ST_NOEXEC)
…		…
971	const_iv (PROT_NONE)	1146	const_iv (PROT_NONE)
972	const_iv (PROT_EXEC)	1147	const_iv (PROT_EXEC)
973	const_iv (PROT_READ)	1148	const_iv (PROT_READ)
974	const_iv (PROT_WRITE)	1149	const_iv (PROT_WRITE)
975		1150
976	/*const_iv (MAP_FIXED)*/
977	const_iv (MAP_PRIVATE)	1151	const_iv (MAP_PRIVATE)
978	const_iv (MAP_SHARED)	1152	const_iv (MAP_SHARED)
		1153	const_iv (MAP_FIXED)
979	const_iv (MAP_ANONYMOUS)	1154	const_iv (MAP_ANONYMOUS)
980		1155
981	/* linuxish */	1156	/* linuxish */
982	const_iv (MAP_HUGETLB)
983	const_iv (MAP_LOCKED)	1157	const_iv (MAP_LOCKED)
984	const_iv (MAP_NORESERVE)	1158	const_iv (MAP_NORESERVE)
985	const_iv (MAP_POPULATE)	1159	const_iv (MAP_POPULATE)
986	const_iv (MAP_NONBLOCK)	1160	const_iv (MAP_NONBLOCK)
		1161	const_iv (MAP_GROWSDOWN)
		1162	const_iv (MAP_32BIT)
		1163	const_iv (MAP_HUGETLB)
		1164	const_iv (MAP_STACK)
		1165
		1166	const_iv (MREMAP_MAYMOVE)
		1167	const_iv (MREMAP_FIXED)
		1168
		1169	const_iv (F_DUPFD_CLOEXEC)
		1170
		1171	const_iv (MSG_CMSG_CLOEXEC)
		1172	const_iv (SOCK_CLOEXEC)
		1173
		1174	const_iv (F_OFD_GETLK)
		1175	const_iv (F_OFD_SETLK)
		1176	const_iv (F_OFD_GETLKW)
		1177
		1178	const_iv (FIFREEZE)
		1179	const_iv (FITHAW)
		1180	const_iv (FITRIM)
		1181	const_iv (FICLONE)
		1182	const_iv (FICLONERANGE)
		1183	const_iv (FIDEDUPERANGE)
		1184
		1185	const_iv (FS_IOC_GETFLAGS)
		1186	const_iv (FS_IOC_SETFLAGS)
		1187	const_iv (FS_IOC_GETVERSION)
		1188	const_iv (FS_IOC_SETVERSION)
		1189	const_iv (FS_IOC_FIEMAP)
		1190	const_iv (FS_IOC_FSGETXATTR)
		1191	const_iv (FS_IOC_FSSETXATTR)
		1192	const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
		1193	const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
		1194	const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
		1195
		1196	const_iv (FS_KEY_DESCRIPTOR_SIZE)
		1197
		1198	const_iv (FS_SECRM_FL)
		1199	const_iv (FS_UNRM_FL)
		1200	const_iv (FS_COMPR_FL)
		1201	const_iv (FS_SYNC_FL)
		1202	const_iv (FS_IMMUTABLE_FL)
		1203	const_iv (FS_APPEND_FL)
		1204	const_iv (FS_NODUMP_FL)
		1205	const_iv (FS_NOATIME_FL)
		1206	const_iv (FS_DIRTY_FL)
		1207	const_iv (FS_COMPRBLK_FL)
		1208	const_iv (FS_NOCOMP_FL)
		1209	const_iv (FS_ENCRYPT_FL)
		1210	const_iv (FS_BTREE_FL)
		1211	const_iv (FS_INDEX_FL)
		1212	const_iv (FS_JOURNAL_DATA_FL)
		1213	const_iv (FS_NOTAIL_FL)
		1214	const_iv (FS_DIRSYNC_FL)
		1215	const_iv (FS_TOPDIR_FL)
		1216	const_iv (FS_FL_USER_MODIFIABLE)
		1217
		1218	const_iv (FS_XFLAG_REALTIME)
		1219	const_iv (FS_XFLAG_PREALLOC)
		1220	const_iv (FS_XFLAG_IMMUTABLE)
		1221	const_iv (FS_XFLAG_APPEND)
		1222	const_iv (FS_XFLAG_SYNC)
		1223	const_iv (FS_XFLAG_NOATIME)
		1224	const_iv (FS_XFLAG_NODUMP)
		1225	const_iv (FS_XFLAG_RTINHERIT)
		1226	const_iv (FS_XFLAG_PROJINHERIT)
		1227	const_iv (FS_XFLAG_NOSYMLINKS)
		1228	const_iv (FS_XFLAG_EXTSIZE)
		1229	const_iv (FS_XFLAG_EXTSZINHERIT)
		1230	const_iv (FS_XFLAG_NODEFRAG)
		1231	const_iv (FS_XFLAG_FILESTREAM)
		1232	const_iv (FS_XFLAG_DAX)
		1233	const_iv (FS_XFLAG_HASATTR)
987		1234
988	const_iv (FIEMAP_FLAG_SYNC)	1235	const_iv (FIEMAP_FLAG_SYNC)
989	const_iv (FIEMAP_FLAG_XATTR)	1236	const_iv (FIEMAP_FLAG_XATTR)
990	const_iv (FIEMAP_FLAGS_COMPAT)	1237	const_iv (FIEMAP_FLAGS_COMPAT)
991	const_iv (FIEMAP_EXTENT_LAST)	1238	const_iv (FIEMAP_EXTENT_LAST)
…		…
1003	const_iv (SPLICE_F_MOVE)	1250	const_iv (SPLICE_F_MOVE)
1004	const_iv (SPLICE_F_NONBLOCK)	1251	const_iv (SPLICE_F_NONBLOCK)
1005	const_iv (SPLICE_F_MORE)	1252	const_iv (SPLICE_F_MORE)
1006	const_iv (SPLICE_F_GIFT)	1253	const_iv (SPLICE_F_GIFT)
1007		1254
1008	const_iv (SEEK_DATA)	1255	const_iv (EFD_CLOEXEC)
		1256	const_iv (EFD_NONBLOCK)
1009	const_iv (SEEK_HOLE)	1257	const_iv (EFD_SEMAPHORE)
1010		1258
1011	/* libeio constants */	1259	const_iv (CLOCK_REALTIME)
		1260	const_iv (CLOCK_MONOTONIC)
		1261	const_iv (CLOCK_BOOTTIME)
		1262	const_iv (CLOCK_REALTIME_ALARM)
		1263	const_iv (CLOCK_BOOTTIME_ALARM)
		1264
		1265	const_iv (TFD_NONBLOCK)
		1266	const_iv (TFD_CLOEXEC)
		1267
		1268	const_iv (TFD_TIMER_ABSTIME)
		1269	const_iv (TFD_TIMER_CANCEL_ON_SET)
		1270
		1271	/* these are libeio constants, and are independent of gendef0 */
1012	const_eio (SEEK_SET)	1272	const_eio (SEEK_SET)
1013	const_eio (SEEK_CUR)	1273	const_eio (SEEK_CUR)
1014	const_eio (SEEK_END)	1274	const_eio (SEEK_END)
1015		1275
1016	const_eio (MCL_FUTURE)	1276	const_eio (MCL_FUTURE)
1017	const_eio (MCL_CURRENT)	1277	const_eio (MCL_CURRENT)
		1278	const_eio (MCL_ONFAULT)
1018		1279
1019	const_eio (MS_ASYNC)	1280	const_eio (MS_ASYNC)
1020	const_eio (MS_INVALIDATE)	1281	const_eio (MS_INVALIDATE)
1021	const_eio (MS_SYNC)	1282	const_eio (MS_SYNC)
1022		1283
…		…
1026	const_eio (SYNC_FILE_RANGE_WRITE)	1287	const_eio (SYNC_FILE_RANGE_WRITE)
1027	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1288	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1028		1289
1029	const_eio (FALLOC_FL_KEEP_SIZE)	1290	const_eio (FALLOC_FL_KEEP_SIZE)
1030	const_eio (FALLOC_FL_PUNCH_HOLE)	1291	const_eio (FALLOC_FL_PUNCH_HOLE)
		1292	const_eio (FALLOC_FL_COLLAPSE_RANGE)
		1293	const_eio (FALLOC_FL_ZERO_RANGE)
		1294	const_eio (FALLOC_FL_INSERT_RANGE)
		1295	const_eio (FALLOC_FL_UNSHARE_RANGE)
		1296
		1297	const_eio (RENAME_NOREPLACE)
		1298	const_eio (RENAME_EXCHANGE)
		1299	const_eio (RENAME_WHITEOUT)
1031		1300
1032	const_eio (READDIR_DENTS)	1301	const_eio (READDIR_DENTS)
1033	const_eio (READDIR_DIRS_FIRST)	1302	const_eio (READDIR_DIRS_FIRST)
1034	const_eio (READDIR_STAT_ORDER)	1303	const_eio (READDIR_STAT_ORDER)
1035	const_eio (READDIR_FOUND_UNKNOWN)	1304	const_eio (READDIR_FOUND_UNKNOWN)
…		…
1053	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)	1322	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
1054	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));	1323	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
1055		1324
1056	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1325	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
1057		1326
		1327	/* allocate dummy pipe fd for aio_close */
		1328	{
		1329	int pipefd [2];
		1330
		1331	if (
		1332	#ifdef _WIN32
		1333	_pipe (pipefd, 1, _O_BINARY) < 0
		1334	#else
		1335	pipe (pipefd) < 0
		1336	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1337	#endif
		1338	|| close (pipefd [1]) < 0
		1339	)
		1340	croak ("IO::AIO: unable to create dummy pipe for aio_close");
		1341
		1342	close_fd = pipefd [0];
		1343	}
		1344
1058	reinit ();	1345	reinit ();
1059	}	1346	}
1060		1347
1061	void	1348	void
1062	reinit ()	1349	reinit ()
…		…
1103	PROTOTYPE: $	1390	PROTOTYPE: $
1104	CODE:	1391	CODE:
1105	max_outstanding = maxreqs;	1392	max_outstanding = maxreqs;
1106		1393
1107	void	1394	void
1108	aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)	1395	aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
1109	PPCODE:	1396	PPCODE:
1110	{	1397	{
1111	dREQ;	1398	dREQ;
1112		1399
1113	req->type = EIO_WD_OPEN;	1400	req->type = EIO_WD_OPEN;
…		…
1115		1402
1116	REQ_SEND;	1403	REQ_SEND;
1117	}	1404	}
1118		1405
1119	void	1406	void
1120	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1407	aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1121	PPCODE:	1408	PPCODE:
1122	{	1409	{
1123	dREQ;	1410	dREQ;
1124		1411
1125	req->type = EIO_OPEN;	1412	req->type = EIO_OPEN;
…		…
1129		1416
1130	REQ_SEND;	1417	REQ_SEND;
1131	}	1418	}
1132		1419
1133	void	1420	void
1134	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1421	aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
1135	ALIAS:	1422	ALIAS:
1136	aio_fsync = EIO_FSYNC	1423	aio_fsync = EIO_FSYNC
1137	aio_fdatasync = EIO_FDATASYNC	1424	aio_fdatasync = EIO_FDATASYNC
1138	aio_syncfs = EIO_SYNCFS	1425	aio_syncfs = EIO_SYNCFS
1139	PPCODE:	1426	PPCODE:
…		…
1147		1434
1148	REQ_SEND;	1435	REQ_SEND;
1149	}	1436	}
1150		1437
1151	void	1438	void
1152	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1439	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
1153	PPCODE:	1440	PPCODE:
1154	{	1441	{
1155	int fd = s_fileno_croak (fh, 0);	1442	int fd = s_fileno_croak (fh, 0);
1156	dREQ;	1443	dREQ;
1157		1444
…		…
1164		1451
1165	REQ_SEND;	1452	REQ_SEND;
1166	}	1453	}
1167		1454
1168	void	1455	void
1169	aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)	1456	aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
1170	PPCODE:	1457	PPCODE:
1171	{	1458	{
1172	int fd = s_fileno_croak (fh, 0);	1459	int fd = s_fileno_croak (fh, 0);
1173	dREQ;	1460	dREQ;
1174		1461
…		…
1181		1468
1182	REQ_SEND;	1469	REQ_SEND;
1183	}	1470	}
1184		1471
1185	void	1472	void
1186	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1473	aio_close (SV *fh, SV *callback = &PL_sv_undef)
1187	PPCODE:	1474	PPCODE:
1188	{	1475	{
1189	static int close_fd = -1; /* dummy fd to close fds via dup2 */
1190	int fd = s_fileno_croak (fh, 0);	1476	int fd = s_fileno_croak (fh, 0);
1191	dREQ;	1477	dREQ;
1192
1193	if (expect_false (close_fd < 0))
1194	{
1195	int pipefd [2];
1196
1197	if (
1198	#ifdef _WIN32
1199	_pipe (pipefd, 1, _O_BINARY) < 0
1200	#else
1201	pipe (pipefd) < 0
1202	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1203	#endif
1204	|| close (pipefd [1]) < 0
1205	)
1206	abort (); /*D*/
1207
1208	close_fd = pipefd [0];
1209	}
1210		1478
1211	req->type = EIO_DUP2;	1479	req->type = EIO_DUP2;
1212	req->int1 = close_fd;	1480	req->int1 = close_fd;
1213	req->sv2 = newSVsv (fh);	1481	req->sv2 = newSVsv (fh);
1214	req->int2 = fd;	1482	req->int2 = fd;
1215		1483
1216	REQ_SEND;	1484	REQ_SEND;
1217	}	1485	}
1218		1486
1219	void	1487	void
1220	aio_seek (SV *fh, SV *offset, int whence, SV *callback=&PL_sv_undef)	1488	aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1221	PPCODE:	1489	PPCODE:
1222	{	1490	{
1223	int fd = s_fileno_croak (fh, 0);	1491	int fd = s_fileno_croak (fh, 0);
1224	dREQ;	1492	dREQ;
1225		1493
…		…
1231		1499
1232	REQ_SEND;	1500	REQ_SEND;
1233	}	1501	}
1234		1502
1235	void	1503	void
1236	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1504	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
1237	ALIAS:	1505	ALIAS:
1238	aio_read = EIO_READ	1506	aio_read = EIO_READ
1239	aio_write = EIO_WRITE	1507	aio_write = EIO_WRITE
1240	PPCODE:	1508	PPCODE:
1241	{	1509	{
…		…
1257	len = svlen - dataoffset;	1525	len = svlen - dataoffset;
1258	}	1526	}
1259	else	1527	else
1260	{	1528	{
1261	/* read: check type and grow scalar as necessary */	1529	/* read: check type and grow scalar as necessary */
1262	SvUPGRADE (data, SVt_PV);
1263	if (SvLEN (data) >= SvCUR (data))	1530	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1264	svptr = SvGROW (data, len + dataoffset + 1);	1531	svptr = sv_grow (data, len + dataoffset + 1);
1265	else if (SvCUR (data) < len + dataoffset)	1532	else if (SvCUR (data) < len + dataoffset)
1266	croak ("length + dataoffset outside of scalar, and cannot grow");	1533	croak ("length + dataoffset outside of scalar, and cannot grow");
1267	}	1534	}
1268		1535
1269	{	1536	{
…		…
1287	REQ_SEND;	1554	REQ_SEND;
1288	}	1555	}
1289	}	1556	}
1290		1557
1291	void	1558	void
		1559	aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
		1560	ALIAS:
		1561	aio_ioctl = EIO_IOCTL
		1562	aio_fcntl = EIO_FCNTL
		1563	PPCODE:
		1564	{
		1565	int fd = s_fileno_croak (fh, 0);
		1566	char *svptr;
		1567
		1568	if (SvPOK (arg) || !SvNIOK (arg))
		1569	{
		1570	STRLEN svlen;
		1571	/* perl uses IOCPARM_LEN for fcntl, so we do, too */
		1572	#ifdef IOCPARM_LEN
		1573	STRLEN need = IOCPARM_LEN (request);
		1574	#else
		1575	STRLEN need = 256;
		1576	#endif
		1577
		1578	if (svlen < need)
		1579	svptr = SvGROW (arg, need);
		1580	}
		1581	else
		1582	svptr = (char *)SvIV (arg);
		1583
		1584	{
		1585	dREQ;
		1586
		1587	req->type = ix;
		1588	req->sv1 = newSVsv (fh);
		1589	req->int1 = fd;
		1590	req->int2 = (long)request;
		1591	req->sv2 = SvREFCNT_inc (arg);
		1592	req->ptr2 = svptr;
		1593
		1594	REQ_SEND;
		1595	}
		1596	}
		1597
		1598	void
1292	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1599	aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1293	ALIAS:	1600	ALIAS:
1294	aio_readlink = EIO_READLINK	1601	aio_readlink = EIO_READLINK
1295	aio_realpath = EIO_REALPATH	1602	aio_realpath = EIO_REALPATH
1296	PPCODE:	1603	PPCODE:
1297	{	1604	{
…		…
1302		1609
1303	REQ_SEND;	1610	REQ_SEND;
1304	}	1611	}
1305		1612
1306	void	1613	void
1307	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1614	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1308	PPCODE:	1615	PPCODE:
1309	{	1616	{
1310	int ifd = s_fileno_croak (in_fh , 0);	1617	int ifd = s_fileno_croak (in_fh , 0);
1311	int ofd = s_fileno_croak (out_fh, 1);	1618	int ofd = s_fileno_croak (out_fh, 1);
1312	dREQ;	1619	dREQ;
…		…
1321		1628
1322	REQ_SEND;	1629	REQ_SEND;
1323	}	1630	}
1324		1631
1325	void	1632	void
1326	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1633	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1327	PPCODE:	1634	PPCODE:
1328	{	1635	{
1329	int fd = s_fileno_croak (fh, 0);	1636	int fd = s_fileno_croak (fh, 0);
1330	dREQ;	1637	dREQ;
1331		1638
…		…
1337		1644
1338	REQ_SEND;	1645	REQ_SEND;
1339	}	1646	}
1340		1647
1341	void	1648	void
1342	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1649	aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1343	ALIAS:	1650	ALIAS:
1344	aio_stat = EIO_STAT	1651	aio_stat = EIO_STAT
1345	aio_lstat = EIO_LSTAT	1652	aio_lstat = EIO_LSTAT
1346	aio_statvfs = EIO_STATVFS	1653	aio_statvfs = EIO_STATVFS
1347	PPCODE:	1654	PPCODE:
…		…
1351	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);	1658	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1352		1659
1353	REQ_SEND;	1660	REQ_SEND;
1354	}	1661	}
1355		1662
		1663	void
		1664	st_xtime ()
		1665	ALIAS:
		1666	st_atime = 0x01
		1667	st_mtime = 0x02
		1668	st_ctime = 0x04
		1669	st_btime = 0x08
		1670	st_xtime = 0x0f
		1671	PPCODE:
		1672	EXTEND (SP, 4);
		1673	if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
		1674	if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
		1675	if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
		1676	if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
		1677
		1678	void
		1679	st_xtimensec ()
		1680	ALIAS:
		1681	st_atimensec = 0x01
		1682	st_mtimensec = 0x02
		1683	st_ctimensec = 0x04
		1684	st_btimensec = 0x08
		1685	st_xtimensec = 0x0f
		1686	st_btimesec = 0x10
		1687	st_gen = 0x20
		1688	PPCODE:
		1689	EXTEND (SP, 4);
		1690	if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
		1691	if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
		1692	if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
		1693	if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
		1694	if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
		1695	if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
		1696
1356	UV	1697	UV
1357	major (UV dev)	1698	major (UV dev)
1358	ALIAS:	1699	ALIAS:
1359	minor = 1	1700	minor = 1
1360	CODE:	1701	CODE:
1361	RETVAL = ix ? major (dev) : minor (dev);	1702	RETVAL = ix ? minor (dev) : major (dev);
1362	OUTPUT:	1703	OUTPUT:
1363	RETVAL	1704	RETVAL
1364		1705
1365	UV	1706	UV
1366	makedev (UV maj, UV min)	1707	makedev (UV maj, UV min)
…		…
1368	RETVAL = makedev (maj, min);	1709	RETVAL = makedev (maj, min);
1369	OUTPUT:	1710	OUTPUT:
1370	RETVAL	1711	RETVAL
1371		1712
1372	void	1713	void
1373	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1714	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1374	PPCODE:	1715	PPCODE:
1375	{	1716	{
1376	dREQ;	1717	dREQ;
1377		1718
1378	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1719	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
…		…
1381		1722
1382	REQ_SEND;	1723	REQ_SEND;
1383	}	1724	}
1384		1725
1385	void	1726	void
1386	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1727	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1387	PPCODE:	1728	PPCODE:
1388	{	1729	{
1389	dREQ;	1730	dREQ;
1390		1731
1391	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1732	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
…		…
1393		1734
1394	REQ_SEND;	1735	REQ_SEND;
1395	}	1736	}
1396		1737
1397	void	1738	void
1398	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1739	aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1399	PPCODE:	1740	PPCODE:
1400	{	1741	{
1401	dREQ;	1742	dREQ;
1402		1743
1403	req->int2 = mode;	1744	req->int2 = mode;
…		…
1405		1746
1406	REQ_SEND;	1747	REQ_SEND;
1407	}	1748	}
1408		1749
1409	void	1750	void
1410	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef)	1751	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1411	PPCODE:	1752	PPCODE:
1412	{	1753	{
1413	dREQ;	1754	dREQ;
1414		1755
1415	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1756	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
…		…
1418		1759
1419	REQ_SEND;	1760	REQ_SEND;
1420	}	1761	}
1421		1762
1422	void	1763	void
1423	aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)	1764	aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1424	PPCODE:	1765	PPCODE:
1425	{	1766	{
1426	dREQ;	1767	dREQ;
1427		1768
1428	req->type = EIO_READDIR;	1769	req->type = EIO_READDIR;
…		…
1435		1776
1436	REQ_SEND;	1777	REQ_SEND;
1437	}	1778	}
1438		1779
1439	void	1780	void
1440	aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef)	1781	aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1441	PPCODE:	1782	PPCODE:
1442	{	1783	{
1443	dREQ;	1784	dREQ;
1444		1785
1445	req->type = EIO_MKDIR;	1786	req->type = EIO_MKDIR;
…		…
1448		1789
1449	REQ_SEND;	1790	REQ_SEND;
1450	}	1791	}
1451		1792
1452	void	1793	void
1453	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1794	aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1454	ALIAS:	1795	ALIAS:
1455	aio_unlink = EIO_UNLINK	1796	aio_unlink = EIO_UNLINK
1456	aio_rmdir = EIO_RMDIR	1797	aio_rmdir = EIO_RMDIR
1457	aio_readdir = EIO_READDIR	1798	aio_readdir = EIO_READDIR
1458	PPCODE:	1799	PPCODE:
…		…
1464		1805
1465	REQ_SEND;	1806	REQ_SEND;
1466	}	1807	}
1467		1808
1468	void	1809	void
1469	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef)	1810	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1470	ALIAS:	1811	ALIAS:
1471	aio_link = EIO_LINK	1812	aio_link = EIO_LINK
1472	aio_symlink = EIO_SYMLINK	1813	aio_symlink = EIO_SYMLINK
1473	aio_rename = EIO_RENAME	1814	aio_rename = EIO_RENAME
1474	PPCODE:	1815	PPCODE:
…		…
1483		1824
1484	REQ_SEND;	1825	REQ_SEND;
1485	}	1826	}
1486		1827
1487	void	1828	void
		1829	aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
		1830	PPCODE:
		1831	{
		1832	eio_wd wd2 = 0;
		1833	dREQ;
		1834
		1835	req->type = EIO_RENAME;
		1836	req_set_path1 (req, oldpath);
		1837	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
		1838	req->int2 = flags;
		1839	req->int3 = (long)wd2;
		1840
		1841	REQ_SEND;
		1842	}
		1843
		1844	void
1488	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef)	1845	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1489	PPCODE:	1846	PPCODE:
1490	{	1847	{
1491	dREQ;	1848	dREQ;
1492		1849
1493	req->type = EIO_MKNOD;	1850	req->type = EIO_MKNOD;
…		…
1497		1854
1498	REQ_SEND;	1855	REQ_SEND;
1499	}	1856	}
1500		1857
1501	void	1858	void
1502	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1859	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1503	ALIAS:	1860	ALIAS:
1504	aio_mtouch = EIO_MTOUCH	1861	aio_mtouch = EIO_MTOUCH
1505	aio_msync = EIO_MSYNC	1862	aio_msync = EIO_MSYNC
1506	PPCODE:	1863	PPCODE:
1507	{	1864	{
1508	STRLEN svlen;	1865	STRLEN svlen;
1509	char *svptr = SvPVbyte (data, svlen);	1866	char *svptr = SvPVbyte (data, svlen);
1510	UV len = SvUV (length);	1867	UV len = SvUV (length);
		1868
		1869	if (flags < 0)
		1870	flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1511		1871
1512	if (offset < 0)	1872	if (offset < 0)
1513	offset += svlen;	1873	offset += svlen;
1514		1874
1515	if (offset < 0 || offset > svlen)	1875	if (offset < 0 || offset > svlen)
…		…
1530	REQ_SEND;	1890	REQ_SEND;
1531	}	1891	}
1532	}	1892	}
1533		1893
1534	void	1894	void
1535	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)	1895	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1536	PPCODE:	1896	PPCODE:
1537	{	1897	{
1538	STRLEN svlen;	1898	STRLEN svlen;
1539	char *svptr = SvPVbyte (data, svlen);	1899	char *svptr = SvPVbyte (data, svlen);
1540	UV len = SvUV (length);	1900	UV len = SvUV (length);
…		…
1559	REQ_SEND;	1919	REQ_SEND;
1560	}	1920	}
1561	}	1921	}
1562		1922
1563	void	1923	void
1564	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)	1924	aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1565	PPCODE:	1925	PPCODE:
1566	{	1926	{
1567	dREQ;	1927	dREQ;
1568		1928
1569	req->type = EIO_MLOCKALL;	1929	req->type = EIO_MLOCKALL;
…		…
1571		1931
1572	REQ_SEND;	1932	REQ_SEND;
1573	}	1933	}
1574		1934
1575	void	1935	void
1576	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback=&PL_sv_undef)	1936	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
1577	PPCODE:	1937	PPCODE:
1578	{	1938	{
1579	int fd = s_fileno_croak (fh, 0);	1939	int fd = s_fileno_croak (fh, 0);
1580	dREQ;	1940	dREQ;
1581		1941
…		…
1594		1954
1595	REQ_SEND;	1955	REQ_SEND;
1596	}	1956	}
1597		1957
1598	void	1958	void
		1959	aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
		1960	PPCODE:
		1961	{
		1962	char *svptr = 0;
		1963
		1964	sv_clear_foreign (data);
		1965
		1966	if (length) /* known length, directly read into scalar */
		1967	{
		1968	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
		1969	svptr = sv_grow (data, length + 1);
		1970	else if (SvCUR (data) < length)
		1971	croak ("length outside of scalar, and cannot grow");
		1972	else
		1973	svptr = SvPVbyte_nolen (data);
		1974	}
		1975
		1976	{
		1977	dREQ;
		1978
		1979	req->type = EIO_SLURP;
		1980	req_set_path1 (req, pathname);
		1981	req->offs = offset;
		1982	req->size = length;
		1983	req->sv2 = SvREFCNT_inc (data);
		1984	req->ptr2 = svptr;
		1985
		1986	if (!SvREADONLY (data))
		1987	{
		1988	SvREADONLY_on (data);
		1989	req->flags |= FLAG_SV2_RO_OFF;
		1990	}
		1991
		1992	REQ_SEND;
		1993	}
		1994	}
		1995
		1996	void
1599	aio_busy (double delay, SV *callback=&PL_sv_undef)	1997	aio_busy (double delay, SV *callback = &PL_sv_undef)
1600	PPCODE:	1998	PPCODE:
1601	{	1999	{
1602	dREQ;	2000	dREQ;
1603		2001
1604	req->type = EIO_BUSY;	2002	req->type = EIO_BUSY;
…		…
1606		2004
1607	REQ_SEND;	2005	REQ_SEND;
1608	}	2006	}
1609		2007
1610	void	2008	void
1611	aio_group (SV *callback=&PL_sv_undef)	2009	aio_group (SV *callback = &PL_sv_undef)
1612	PPCODE:	2010	PPCODE:
1613	{	2011	{
1614	dREQ;	2012	dREQ;
1615		2013
1616	req->type = EIO_GROUP;	2014	req->type = EIO_GROUP;
1617		2015
		2016	PUTBACK;
1618	req_submit (req);	2017	req_submit (req);
		2018	SPAGAIN;
		2019
1619	XPUSHs (req_sv (req, aio_grp_stash));	2020	XPUSHs (req_sv (req, aio_grp_stash));
1620	}	2021	}
1621		2022
1622	void	2023	void
1623	aio_nop (SV *callback=&PL_sv_undef)	2024	aio_nop (SV *callback = &PL_sv_undef)
1624	ALIAS:	2025	ALIAS:
1625	aio_nop = EIO_NOP	2026	aio_nop = EIO_NOP
1626	aio_sync = EIO_SYNC	2027	aio_sync = EIO_SYNC
1627	PPCODE:	2028	PPCODE:
1628	{	2029	{
…		…
1632		2033
1633	REQ_SEND;	2034	REQ_SEND;
1634	}	2035	}
1635		2036
1636	int	2037	int
1637	aioreq_pri (int pri = 0)	2038	aioreq_pri (int pri = NO_INIT)
1638	CODE:	2039	CODE:
1639	RETVAL = next_pri;	2040	RETVAL = next_pri;
1640	if (items > 0)	2041	if (items > 0)
1641	{	2042	{
1642	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	2043	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1732	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	2133	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1733	OUTPUT:	2134	OUTPUT:
1734	RETVAL	2135	RETVAL
1735		2136
1736	void	2137	void
1737	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)	2138	mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1738	PPCODE:	2139	PPCODE:
1739	sv_unmagic (scalar, MMAP_MAGIC);	2140	sv_clear_foreign (scalar);
1740	{	2141	{
1741	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	2142	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1742	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	2143	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1743	if (addr == (void *)-1)	2144	if (addr == (void *)-1)
1744	XSRETURN_NO;	2145	XSRETURN_NO;
1745		2146
1746	sv_force_normal (scalar);	2147	sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1747
1748	/* we store the length in mg_obj, as namlen is I32 :/ */
1749	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1750	->mg_obj = (SV *)length;
1751
1752	SvUPGRADE (scalar, SVt_PV); /* nop... */
1753		2148
1754	if (!(prot & PROT_WRITE))	2149	if (!(prot & PROT_WRITE))
1755	SvREADONLY_on (scalar);	2150	SvREADONLY_on (scalar);
1756		2151
1757	if (SvLEN (scalar))
1758	Safefree (SvPVX (scalar));
1759
1760	SvPVX (scalar) = (char *)addr;
1761	SvCUR_set (scalar, length);
1762	SvLEN_set (scalar, 0);
1763	SvPOK_only (scalar);
1764
1765	XSRETURN_YES;	2152	XSRETURN_YES;
1766	}	2153	}
1767		2154
1768	void	2155	void
1769	munmap (SV *scalar)	2156	munmap (SV *scalar)
1770	CODE:	2157	CODE:
1771	sv_unmagic (scalar, MMAP_MAGIC);	2158	sv_clear_foreign (scalar);
		2159
		2160	SV *
		2161	mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
		2162	CODE:
		2163	{
		2164	MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
		2165	void *new;
		2166
		2167	if (!mg || SvPVX (scalar) != mg->mg_ptr)
		2168	croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
		2169
		2170	new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
		2171
		2172	RETVAL = &PL_sv_no;
		2173
		2174	if (new != (void *)-1)
		2175	{
		2176	RETVAL = new == (void *)mg->mg_ptr
		2177	? newSVpvn ("0 but true", 10)
		2178	: &PL_sv_yes;
		2179
		2180	mg->mg_ptr = (char *)new;
		2181	mg->mg_obj = (SV *)new_length;
		2182
		2183	SvPVX (scalar) = mg->mg_ptr;
		2184	SvCUR_set (scalar, new_length);
		2185	}
		2186	}
		2187	OUTPUT:
		2188	RETVAL
1772		2189
1773	int	2190	int
1774	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)	2191	madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1775	ALIAS:	2192	ALIAS:
1776	mprotect = 1	2193	mprotect = 1
1777	CODE:	2194	CODE:
1778	{	2195	{
1779	STRLEN svlen;	2196	STRLEN svlen;
1780	void *addr = SvPVbyte (scalar, svlen);	2197	void *addr = SvPVbyte (scalar, svlen);
1781	size_t len = SvUV (length);	2198	STRLEN len = SvUV (length);
1782		2199
1783	if (offset < 0)	2200	if (offset < 0)
1784	offset += svlen;	2201	offset += svlen;
1785		2202
1786	if (offset < 0 || offset > svlen)	2203	if (offset < 0 || offset > svlen)
…		…
1800	}	2217	}
1801	OUTPUT:	2218	OUTPUT:
1802	RETVAL	2219	RETVAL
1803		2220
1804	int	2221	int
1805	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)	2222	munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
1806	CODE:	2223	CODE:
1807	{	2224	{
1808	STRLEN svlen;	2225	STRLEN svlen;
1809	void *addr = SvPVbyte (scalar, svlen);	2226	void *addr = SvPVbyte (scalar, svlen);
1810	size_t len = SvUV (length);	2227	size_t len = SvUV (length);
…		…
1866	#else	2283	#else
1867	RETVAL = EIO_ENOSYS ();	2284	RETVAL = EIO_ENOSYS ();
1868	#endif	2285	#endif
1869	OUTPUT:	2286	OUTPUT:
1870	RETVAL	2287	RETVAL
		2288
		2289	int
		2290	pipesize (aio_rfd rfh, int new_size = -1)
		2291	PROTOTYPE: $;$
		2292	CODE:
		2293	#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
		2294	if (new_size >= 0)
		2295	RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
		2296	else
		2297	RETVAL = fcntl (rfh, F_GETPIPE_SZ);
		2298	#else
		2299	errno = ENOSYS;
		2300	RETVAL = -1;
		2301	#endif
		2302	OUTPUT:
		2303	RETVAL
		2304
		2305	void
		2306	pipe2 (int flags = 0)
		2307	PROTOTYPE: ;$
		2308	PPCODE:
		2309	{
		2310	int fd[2];
		2311	int res;
		2312
		2313	if (flags)
		2314	#if HAVE_PIPE2
		2315	res = pipe2 (fd, flags);
		2316	#else
		2317	res = (errno = ENOSYS, -1);
		2318	#endif
		2319	else
		2320	res = pipe (fd);
		2321
		2322	if (!res)
		2323	{
		2324	EXTEND (SP, 2);
		2325	PUSHs (newmortalFH (fd[0], O_RDONLY));
		2326	PUSHs (newmortalFH (fd[1], O_WRONLY));
		2327	}
		2328	}
		2329
		2330	void
		2331	eventfd (unsigned int initval = 0, int flags = 0)
		2332	PPCODE:
		2333	{
		2334	int fd;
		2335	#if HAVE_EVENTFD
		2336	fd = eventfd (initval, flags);
		2337	#else
		2338	fd = (errno = ENOSYS, -1);
		2339	#endif
		2340
		2341	XPUSHs (newmortalFH (fd, O_RDWR));
		2342	}
		2343
		2344	void
		2345	timerfd_create (int clockid, int flags = 0)
		2346	PPCODE:
		2347	{
		2348	int fd;
		2349	#if HAVE_TIMERFD
		2350	fd = timerfd_create (clockid, flags);
		2351	#else
		2352	fd = (errno = ENOSYS, -1);
		2353	#endif
		2354
		2355	XPUSHs (newmortalFH (fd, O_RDWR));
		2356	}
		2357
		2358	void
		2359	timerfd_settime (SV *fh, int flags, NV interval, NV value)
		2360	PPCODE:
		2361	{
		2362	int fd = s_fileno_croak (fh, 0);
		2363	#if HAVE_TIMERFD
		2364	int res;
		2365	struct itimerspec its, ots;
		2366
		2367	ts_set (&its.it_interval, interval);
		2368	ts_set (&its.it_value , value);
		2369	res = timerfd_settime (fd, flags, &its, &ots);
		2370
		2371	if (!res)
		2372	{
		2373	EXTEND (SP, 2);
		2374	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2375	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2376	}
		2377	#else
		2378	errno = ENOSYS;
		2379	#endif
		2380	}
		2381
		2382	void
		2383	timerfd_gettime (SV *fh)
		2384	PPCODE:
		2385	{
		2386	int fd = s_fileno_croak (fh, 0);
		2387	#if HAVE_TIMERFD
		2388	int res;
		2389	struct itimerspec ots;
		2390	res = timerfd_gettime (fd, &ots);
		2391
		2392	if (!res)
		2393	{
		2394	EXTEND (SP, 2);
		2395	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2396	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2397	}
		2398	#else
		2399	errno = ENOSYS;
		2400	#endif
		2401	}
		2402
		2403	UV
		2404	get_fdlimit ()
		2405	CODE:
		2406	#if HAVE_RLIMITS
		2407	struct rlimit rl;
		2408	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2409	XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
		2410	#endif
		2411	XSRETURN_UNDEF;
		2412	OUTPUT:
		2413	RETVAL
		2414
		2415	void
		2416	min_fdlimit (UV limit = 0x7fffffffU)
		2417	CODE:
		2418	{
		2419	#if HAVE_RLIMITS
		2420	struct rlimit rl;
		2421	rlim_t orig_rlim_max;
		2422	UV bit;
		2423
		2424	if (0 != getrlimit (RLIMIT_NOFILE, &rl))
		2425	goto fail;
		2426
		2427	if (rl.rlim_cur == RLIM_INFINITY)
		2428	XSRETURN_YES;
		2429
		2430	orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
		2431
		2432	if (rl.rlim_cur < limit)
		2433	{
		2434	rl.rlim_cur = limit;
		2435
		2436	if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
		2437	rl.rlim_max = rl.rlim_cur;
		2438	}
		2439
		2440	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2441	XSRETURN_YES;
		2442
		2443	if (errno == EPERM)
		2444	{
		2445	/* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
		2446	/* our limit overflows a system-wide limit */
		2447	/* try an adaptive algorithm, but do not lower the hardlimit */
		2448	rl.rlim_max = 0;
		2449	for (bit = 0x40000000U; bit; bit >>= 1)
		2450	{
		2451	rl.rlim_max |= bit;
		2452	rl.rlim_cur = rl.rlim_max;
		2453
		2454	/* nevr decrease the hard limit */
		2455	if (rl.rlim_max < orig_rlim_max)
		2456	break;
		2457
		2458	if (0 != setrlimit (RLIMIT_NOFILE, &rl))
		2459	rl.rlim_max &= ~bit; /* too high, remove bit again */
		2460	}
		2461
		2462	/* now, raise the soft limit to the max permitted */
		2463	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2464	{
		2465	rl.rlim_cur = rl.rlim_max;
		2466	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2467	errno = EPERM;
		2468	}
		2469	}
		2470	#endif
		2471	fail:
		2472	XSRETURN_UNDEF;
		2473	}
1871		2474
1872	void _on_next_submit (SV *cb)	2475	void _on_next_submit (SV *cb)
1873	CODE:	2476	CODE:
1874	SvREFCNT_dec (on_next_submit);	2477	SvREFCNT_dec (on_next_submit);
1875	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	2478	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
…		…
1910	cancel (aio_req_ornot req)	2513	cancel (aio_req_ornot req)
1911	CODE:	2514	CODE:
1912	eio_cancel (req);	2515	eio_cancel (req);
1913		2516
1914	void	2517	void
1915	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	2518	cb (aio_req_ornot req, SV *callback = NO_INIT)
1916	PPCODE:	2519	PPCODE:
1917	{	2520	{
1918	if (GIMME_V != G_VOID)	2521	if (GIMME_V != G_VOID)
1919	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	2522	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1920		2523
1921	if (items > 1)	2524	if (items > 1)
1922	{	2525	{
1923	SV *cb_cv =get_cb (callback);	2526	SV *cb_cv = get_cb (callback);
1924		2527
1925	SvREFCNT_dec (req->callback);	2528	SvREFCNT_dec (req->callback);
1926	req->callback = SvREFCNT_inc (cb_cv);	2529	req->callback = SvREFCNT_inc (cb_cv);
1927	}	2530	}
1928	}	2531	}
…		…
1985	limit (aio_req grp, int limit)	2588	limit (aio_req grp, int limit)
1986	CODE:	2589	CODE:
1987	eio_grp_limit (grp, limit);	2590	eio_grp_limit (grp, limit);
1988		2591
1989	void	2592	void
1990	feed (aio_req grp, SV *callback=&PL_sv_undef)	2593	feed (aio_req grp, SV *callback = &PL_sv_undef)
1991	CODE:	2594	CODE:
1992	{	2595	{
1993	SvREFCNT_dec (grp->sv2);	2596	SvREFCNT_dec (grp->sv2);
1994	grp->sv2 = newSVsv (callback);	2597	grp->sv2 = newSVsv (callback);
1995	grp->feed = aio_grp_feed;	2598	grp->feed = aio_grp_feed;

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