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/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.250 by root, Fri Sep 22 05:20:39 2017 UTC vs.
Revision 1.294 by root, Sat Apr 9 19:34:05 2022 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
20	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
21	# include <sys/mman.h>
22	#endif
23		23
24	/* the incompetent fool that created musl keeps __linux__, refuses	24	/* the incompetent fool that created musl keeps __linux__, refuses
25	* to implement any linux standard apis, and also has no way to test	25	* to implement any linux standard apis, and also has no way to test
26	* for his broken iplementation. don't complain to me if this fails	26	* for his broken iplementation. don't complain to me if this fails
27	* for you.	27	* for you.
…		…
75	#undef fchmod	75	#undef fchmod
76	#undef dup	76	#undef dup
77	#undef dup2	77	#undef dup2
78	#undef abort	78	#undef abort
79	#undef pipe	79	#undef pipe
		80	#undef utime
80		81
81	#define EIO_STRUCT_STAT struct _stati64	82	#define EIO_STRUCT_STAT struct _stati64
82	#define EIO_STRUCT_STATI64	83	#define EIO_STRUCT_STATI64
83		84
84	#else	85	#else
85		86
86	#include <sys/time.h>	87	#include <sys/time.h>
87	#include <sys/select.h>	88	#include <sys/select.h>
		89	#include <sys/wait.h>
88	#include <unistd.h>	90	#include <unistd.h>
89	#include <utime.h>	91	#include <utime.h>
90	#include <signal.h>	92	#include <signal.h>
91		93
92	#define EIO_STRUCT_STAT Stat_t	94	#define EIO_STRUCT_STAT Stat_t
…		…
104	#define expect_false(expr) expect ((expr) != 0, 0)	106	#define expect_false(expr) expect ((expr) != 0, 0)
105	#define expect_true(expr) expect ((expr) != 0, 1)	107	#define expect_true(expr) expect ((expr) != 0, 1)
106		108
107	/*****************************************************************************/	109	/*****************************************************************************/
108		110
109	#include "libeio/config.h"	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
110		167
111	#if HAVE_RLIMITS	168	#if HAVE_RLIMITS
112	#include <sys/time.h>	169	#include <sys/time.h>
113	#include <sys/resource.h>	170	#include <sys/resource.h>
114	#endif	171	#endif
…		…
151	# else	208	# else
152	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	209	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
153	# endif	210	# endif
154	#endif	211	#endif
155		212
		213	#ifndef makedev
		214	# define makedev(maj,min) (((maj) << 8) | (min))
		215	#endif
		216	#ifndef major
		217	# define major(dev) ((dev) >> 8)
		218	#endif
		219	#ifndef minor
		220	# define minor(dev) ((dev) & 0xff)
		221	#endif
		222
		223	/* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */
		224	#ifdef __sun
		225	# undef PAGESIZE
		226	#endif
		227
		228	#if PAGESIZE <= 0
		229	# define PAGESIZE sysconf (_SC_PAGESIZE)
		230	#endif
		231
		232	/* solaris perl seems to declare a wrong syscall function that clashes with system includes */
		233	#ifdef __sun
		234	# undef HAVE_SYSCALL
		235	#endif
		236
		237	#if HAVE_SYSCALL
		238	#include <sys/syscall.h>
		239	#else
		240	# define syscall(nr,...) (errno = ENOSYS, -1)
		241	#endif
		242
		243	/*****************************************************************************/
		244
		245	#if !_POSIX_MAPPED_FILES
		246	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
		247	# define munmap(addr,length) EIO_ENOSYS ()
		248	#endif
		249
		250	#if !_POSIX_MEMORY_PROTECTION
		251	# define mprotect(addr,len,prot) EIO_ENOSYS ()
		252	#endif
		253
		254	#if !MREMAP_MAYMOVE
		255	# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
		256	#endif
		257
		258	#define FOREIGN_MAGIC PERL_MAGIC_ext
		259
		260	static int ecb_cold
		261	mmap_free (pTHX_ SV *sv, MAGIC *mg)
		262	{
		263	int old_errno = errno;
		264	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		265	errno = old_errno;
		266
		267	mg->mg_obj = 0; /* just in case */
		268
		269	SvREADONLY_off (sv);
		270
		271	if (SvPVX (sv) != mg->mg_ptr)
		272	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		273
		274	SvCUR_set (sv, 0);
		275	SvPVX (sv) = 0;
		276	SvOK_off (sv);
		277
		278	return 0;
		279	}
		280
		281	static MGVTBL mmap_vtbl = {
		282	0, 0, 0, 0, mmap_free
		283	};
		284
		285	static int ecb_cold
		286	sysfree_free (pTHX_ SV *sv, MAGIC *mg)
		287	{
		288	free (mg->mg_ptr);
		289	mg->mg_obj = 0; /* just in case */
		290
		291	SvREADONLY_off (sv);
		292
		293	if (SvPVX (sv) != mg->mg_ptr)
		294	croak ("ERROR: IO::AIO mapped scalar changed location, detected");
		295
		296	SvCUR_set (sv, 0);
		297	SvPVX (sv) = 0;
		298	SvOK_off (sv);
		299
		300	return 0;
		301	}
		302
		303	static MGVTBL sysfree_vtbl = {
		304	0, 0, 0, 0, sysfree_free
		305	};
		306
		307	/*****************************************************************************/
		308
		309	/* helper: set scalar to foreign ptr with custom free */
		310	ecb_noinline
		311	static void
		312	sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
		313	{
		314	sv_force_normal (sv);
		315
		316	/* we store the length in mg_obj, as namlen is I32 :/ */
		317	sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
		318	->mg_obj = (SV *)length;
		319
		320	SvUPGRADE (sv, SVt_PV); /* nop... */
		321
		322	if (SvLEN (sv))
		323	Safefree (SvPVX (sv));
		324
		325	SvPVX (sv) = (char *)addr;
		326	SvCUR_set (sv, length);
		327	SvLEN_set (sv, 0);
		328	SvPOK_only (sv);
		329	}
		330
		331	static void
		332	sv_clear_foreign (SV *sv)
		333	{
		334	/* todo: iterate over magic and only free ours, but of course */
		335	/* the perl5porters will call that (correct) behaviour buggy */
		336	sv_unmagic (sv, FOREIGN_MAGIC);
		337	}
		338
		339	/*****************************************************************************/
		340
156	/* defines all sorts of constants to 0 unless they are already defined */	341	/* defines all sorts of constants to 0 unless they are already defined */
157	/* also provides const_iv_ and const_niv_ macros for them */	342	/* also provides const_iv_ and const_niv_ macros for them */
158	#include "def0.h"	343	#include "def0.h"
159
160	#ifndef makedev
161	# define makedev(maj,min) (((maj) << 8) | (min))
162	#endif
163	#ifndef major
164	# define major(dev) ((dev) >> 8)
165	#endif
166	#ifndef minor
167	# define minor(dev) ((dev) & 0xff)
168	#endif
169
170	#if PAGESIZE <= 0
171	# define PAGESIZE sysconf (_SC_PAGESIZE)
172	#endif
173		344
174	/*****************************************************************************/	345	/*****************************************************************************/
175		346
176	static void	347	static void
177	fiemap (eio_req *req)	348	fiemap (eio_req *req)
…		…
185	int count = req->int3;	356	int count = req->int3;
186		357
187	req->flags |= EIO_FLAG_PTR1_FREE;	358	req->flags |= EIO_FLAG_PTR1_FREE;
188		359
189	/* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */	360	/* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
190	/* increase in 3.5kb steps */	361	/* increase in fixed steps */
191	if (count < 0)	362	if (count < 0)
192	count = 8;	363	count = 8;
193		364
194	fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);	365	fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
195	errno = ENOMEM;	366	errno = ENOMEM;
…		…
248		419
249	for (count = 0; count < incmap->fm_mapped_extents; ++count)	420	for (count = 0; count < incmap->fm_mapped_extents; ++count)
250	{	421	{
251	struct fiemap_extent *e = incmap->fm_extents + count;	422	struct fiemap_extent *e = incmap->fm_extents + count;
252		423
		424	fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
		425
253	if (e->fe_logical + e->fe_length >= end_offset)	426	if (e->fe_logical >= end_offset)
254	goto done;	427	goto done;
255
256	fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
257		428
258	if (e->fe_flags & FIEMAP_EXTENT_LAST)	429	if (e->fe_flags & FIEMAP_EXTENT_LAST)
259	goto done;	430	goto done;
260		431
261	}	432	}
…		…
268	errno = ENOSYS;	439	errno = ENOSYS;
269	#endif	440	#endif
270	}	441	}
271		442
272	/*****************************************************************************/	443	/*****************************************************************************/
		444
		445	static int close_fd; /* dummy fd to close fds via dup2 */
		446
		447	#if HAVE_STATX
		448	static struct statx stx;
		449	#define statx_offsetof(member) offsetof (struct statx, member)
		450	#define eio__statx statx
		451	#else
		452	#define statx_offsetof(member) 0
		453	#define eio__statx(dir,path,flags,mask,stx) EIO_ENOSYS()
		454	#endif
273		455
274	enum {	456	enum {
275	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	457	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
276	};	458	};
277		459
…		…
301	/* read any signals sent by the worker threads */	483	/* read any signals sent by the worker threads */
302	s_epipe_drain (&respipe);	484	s_epipe_drain (&respipe);
303	}	485	}
304		486
305	/* must be called at most once */	487	/* must be called at most once */
		488	ecb_noinline
306	static SV *	489	static SV *
307	req_sv (aio_req req, HV *stash)	490	req_sv (aio_req req, HV *stash)
308	{	491	{
309	if (!req->self)	492	if (!req->self)
310	{	493	{
…		…
319	newSVaio_wd (aio_wd wd)	502	newSVaio_wd (aio_wd wd)
320	{	503	{
321	return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);	504	return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
322	}	505	}
323		506
		507	ecb_noinline
324	static aio_req	508	static aio_req
325	SvAIO_REQ (SV *sv)	509	SvAIO_REQ (SV *sv)
326	{	510	{
327	MAGIC *mg;	511	MAGIC *mg;
328		512
…		…
391	FREETMPS;	575	FREETMPS;
392	LEAVE;	576	LEAVE;
393	}	577	}
394	}	578	}
395		579
		580	ecb_noinline
396	static void	581	static void
397	req_submit (eio_req *req)	582	req_submit (eio_req *req)
398	{	583	{
399	eio_submit (req);	584	eio_submit (req);
400		585
…		…
597	SvSETMAGIC (req->sv2);	782	SvSETMAGIC (req->sv2);
598	PUSHs (sv_result);	783	PUSHs (sv_result);
599	}	784	}
600	break;	785	break;
601		786
		787	case EIO_SLURP:
		788	{
		789	if (req->result >= 0)
		790	{
		791	/* if length was originally not known, we steal the malloc'ed memory */
		792	if (req->flags & EIO_FLAG_PTR2_FREE)
		793	{
		794	req->flags &= ~EIO_FLAG_PTR2_FREE;
		795	sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
		796	}
		797	else
		798	{
		799	SvCUR_set (req->sv2, req->result);
		800	*SvEND (req->sv2) = 0;
		801	SvPOK_only (req->sv2);
		802	}
		803
		804	SvSETMAGIC (req->sv2);
		805	}
		806
		807	PUSHs (sv_result);
		808	}
		809	break;
		810
602	case EIO_CUSTOM:	811	case EIO_CUSTOM:
603	if (req->feed == fiemap)	812	if (req->feed == fiemap)
604	{	813	{
605	#if HAVE_FIEMAP	814	#if HAVE_FIEMAP
606	if (!req->result)	815	if (!req->result)
…		…
637	}	846	}
638	else	847	else
639	PUSHs (sv_result);	848	PUSHs (sv_result);
640	break;	849	break;
641		850
		851	#if 0
		852	case EIO_CLOSE:
		853	PerlIOUnix_refcnt_dec (req->int1);
		854	break;
		855	#endif
		856
642	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */	857	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
643	if (req->result > 0)	858	if (req->result > 0)
644	SvIV_set (sv_result, 0);	859	SvIV_set (sv_result, 0);
645	/* FALLTHROUGH */	860	/* FALLTHROUGH */
646		861
…		…
697	grp->sv2 = 0;	912	grp->sv2 = 0;
698		913
699	eio_grp_cancel (grp);	914	eio_grp_cancel (grp);
700	}	915	}
701		916
702	static void ecb_cold	917	ecb_cold
		918	static void
703	create_respipe (void)	919	create_respipe (void)
704	{	920	{
705	if (s_epipe_renew (&respipe))	921	if (s_epipe_renew (&respipe))
706	croak ("IO::AIO: unable to initialize result pipe");	922	croak ("IO::AIO: unable to initialize result pipe");
707	}	923	}
…		…
741		957
742	poll_wait ();	958	poll_wait ();
743	}	959	}
744	}	960	}
745		961
746	static void ecb_cold	962	ecb_cold
		963	static void
747	reinit (void)	964	reinit (void)
748	{	965	{
749	create_respipe ();	966	create_respipe ();
750		967
751	if (eio_init (want_poll, done_poll) < 0)	968	if (eio_init (want_poll, done_poll) < 0)
752	croak ("IO::AIO: unable to initialise eio library");	969	croak ("IO::AIO: unable to initialise eio library");
753	}	970	}
754		971
755	/*****************************************************************************/	972	/*****************************************************************************/
756		973
757	#if !_POSIX_MAPPED_FILES
758	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
759	# define munmap(addr,length) EIO_ENOSYS ()
760	#endif
761
762	#if !_POSIX_MEMORY_PROTECTION
763	# define mprotect(addr,len,prot) EIO_ENOSYS ()
764	#endif
765
766	#define MMAP_MAGIC PERL_MAGIC_ext
767
768	static int ecb_cold
769	mmap_free (pTHX_ SV *sv, MAGIC *mg)
770	{
771	int old_errno = errno;
772	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
773	errno = old_errno;
774
775	mg->mg_obj = 0; /* just in case */
776
777	SvREADONLY_off (sv);
778
779	if (SvPVX (sv) != mg->mg_ptr)
780	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
781
782	SvCUR_set (sv, 0);
783	SvPVX (sv) = 0;
784	SvOK_off (sv);
785
786	return 0;
787	}
788
789	static MGVTBL mmap_vtbl = {
790	0, 0, 0, 0, mmap_free
791	};
792
793	/*****************************************************************************/
794
795	static SV *	974	static SV *
796	get_cb (SV *cb_sv)	975	get_cb (SV *cb_sv)
797	{	976	{
798	SvGETMAGIC (cb_sv);	977	SvGETMAGIC (cb_sv);
799	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	978	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
800	}	979	}
801		980
		981	ecb_noinline
802	static aio_req ecb_noinline	982	static aio_req ecb_noinline
803	dreq (SV *callback)	983	dreq (SV *callback)
804	{	984	{
805	SV *cb_cv;	985	SV *cb_cv;
806	aio_req req;	986	aio_req req;
…		…
828	SPAGAIN; \	1008	SPAGAIN; \
829	\	1009	\
830	if (GIMME_V != G_VOID) \	1010	if (GIMME_V != G_VOID) \
831	XPUSHs (req_sv (req, aio_req_stash));	1011	XPUSHs (req_sv (req, aio_req_stash));
832		1012
		1013	/* *wdsv, *pathsv, *wd and *ptr must be 0-initialized */
833	ecb_inline void	1014	ecb_inline
		1015	void
834	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)	1016	req_set_path (SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
835	{	1017	{
836	if (expect_false (SvROK (path)))	1018	if (expect_false (SvROK (path)))
837	{	1019	{
838	SV *rv = SvRV (path);	1020	SV *rv = SvRV (path);
839	SV *wdob;	1021	SV *wdob;
…		…
864		1046
865	*pathsv = newSVsv (path);	1047	*pathsv = newSVsv (path);
866	*ptr = SvPVbyte_nolen (*pathsv);	1048	*ptr = SvPVbyte_nolen (*pathsv);
867	}	1049	}
868		1050
869	static void ecb_noinline	1051	ecb_noinline
		1052	static void
870	req_set_path1 (aio_req req, SV *path)	1053	req_set_path1 (aio_req req, SV *path)
871	{	1054	{
872	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);	1055	req_set_path (path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
873	}	1056	}
874		1057
875	static void ecb_noinline	1058	ecb_noinline
		1059	static void
876	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)	1060	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
877	{	1061	{
878	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;	1062	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
879		1063
880	switch (SvTYPE (rv))	1064	switch (SvTYPE (rv))
…		…
892	req_set_path1 (req, fh_or_path);	1076	req_set_path1 (req, fh_or_path);
893	break;	1077	break;
894	}	1078	}
895	}	1079	}
896		1080
		1081	/*****************************************************************************/
		1082
		1083	static void
		1084	ts_set (struct timespec *ts, NV value)
		1085	{
		1086	ts->tv_sec = value;
		1087	ts->tv_nsec = (value - ts->tv_sec) * 1e9;
		1088	}
		1089
		1090	static NV
		1091	ts_get (const struct timespec *ts)
		1092	{
		1093	return ts->tv_sec + ts->tv_nsec * 1e-9;
		1094	}
		1095
		1096	/*****************************************************************************/
		1097
897	XS(boot_IO__AIO) ecb_cold;	1098	XS(boot_IO__AIO) ecb_cold;
898		1099
899	MODULE = IO::AIO PACKAGE = IO::AIO	1100	MODULE = IO::AIO PACKAGE = IO::AIO
900		1101
901	PROTOTYPES: ENABLE	1102	PROTOTYPES: ENABLE
…		…
932	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)	1133	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
933	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)	1134	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
934	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)	1135	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
935		1136
936	/* the second block will be 0 when missing */	1137	/* the second block will be 0 when missing */
		1138	const_iv (O_ACCMODE)
		1139
937	const_iv (O_RDONLY)	1140	const_iv (O_RDONLY)
938	const_iv (O_WRONLY)	1141	const_iv (O_WRONLY)
939	const_iv (O_RDWR)	1142	const_iv (O_RDWR)
940	const_iv (O_CREAT)	1143	const_iv (O_CREAT)
941	const_iv (O_TRUNC)	1144	const_iv (O_TRUNC)
…		…
1000	const_iv (MAP_NONBLOCK)	1203	const_iv (MAP_NONBLOCK)
1001	const_iv (MAP_GROWSDOWN)	1204	const_iv (MAP_GROWSDOWN)
1002	const_iv (MAP_32BIT)	1205	const_iv (MAP_32BIT)
1003	const_iv (MAP_HUGETLB)	1206	const_iv (MAP_HUGETLB)
1004	const_iv (MAP_STACK)	1207	const_iv (MAP_STACK)
		1208	const_iv (MAP_FIXED_NOREPLACE)
		1209	const_iv (MAP_SHARED_VALIDATE)
		1210	const_iv (MAP_SYNC)
		1211	const_iv (MAP_UNINITIALIZED)
		1212
		1213	const_iv (MREMAP_MAYMOVE)
		1214	const_iv (MREMAP_FIXED)
		1215
		1216	const_iv (MSG_CMSG_CLOEXEC)
		1217	const_iv (SOCK_CLOEXEC)
1005		1218
1006	const_iv (F_DUPFD_CLOEXEC)	1219	const_iv (F_DUPFD_CLOEXEC)
		1220
		1221	const_iv (F_ADD_SEALS)
		1222	const_iv (F_GET_SEALS)
		1223	const_iv (F_SEAL_SEAL)
		1224	const_iv (F_SEAL_SHRINK)
		1225	const_iv (F_SEAL_GROW)
		1226	const_iv (F_SEAL_WRITE)
1007		1227
1008	const_iv (F_OFD_GETLK)	1228	const_iv (F_OFD_GETLK)
1009	const_iv (F_OFD_SETLK)	1229	const_iv (F_OFD_SETLK)
1010	const_iv (F_OFD_GETLKW)	1230	const_iv (F_OFD_GETLKW)
1011		1231
…		…
1084	const_iv (SPLICE_F_MOVE)	1304	const_iv (SPLICE_F_MOVE)
1085	const_iv (SPLICE_F_NONBLOCK)	1305	const_iv (SPLICE_F_NONBLOCK)
1086	const_iv (SPLICE_F_MORE)	1306	const_iv (SPLICE_F_MORE)
1087	const_iv (SPLICE_F_GIFT)	1307	const_iv (SPLICE_F_GIFT)
1088		1308
		1309	const_iv (EFD_CLOEXEC)
		1310	const_iv (EFD_NONBLOCK)
		1311	const_iv (EFD_SEMAPHORE)
		1312
		1313	const_iv (MFD_CLOEXEC)
		1314	const_iv (MFD_ALLOW_SEALING)
		1315	const_iv (MFD_HUGETLB)
		1316	const_iv (MFD_HUGETLB_2MB)
		1317	const_iv (MFD_HUGETLB_1GB)
		1318
		1319	const_iv (CLOCK_REALTIME)
		1320	const_iv (CLOCK_MONOTONIC)
		1321	const_iv (CLOCK_BOOTTIME)
		1322	const_iv (CLOCK_REALTIME_ALARM)
		1323	const_iv (CLOCK_BOOTTIME_ALARM)
		1324
		1325	const_iv (TFD_NONBLOCK)
		1326	const_iv (TFD_CLOEXEC)
		1327
		1328	const_iv (TFD_TIMER_ABSTIME)
		1329	const_iv (TFD_TIMER_CANCEL_ON_SET)
		1330
		1331	const_iv (STATX_TYPE)
		1332	const_iv (STATX_MODE)
		1333	const_iv (STATX_NLINK)
		1334	const_iv (STATX_UID)
		1335	const_iv (STATX_GID)
		1336	const_iv (STATX_ATIME)
		1337	const_iv (STATX_MTIME)
		1338	const_iv (STATX_CTIME)
		1339	const_iv (STATX_INO)
		1340	const_iv (STATX_SIZE)
		1341	const_iv (STATX_BLOCKS)
		1342	const_iv (STATX_BASIC_STATS)
		1343	const_iv (STATX_ALL)
		1344	const_iv (STATX_BTIME)
		1345	const_iv (STATX_ATTR_COMPRESSED)
		1346	const_iv (STATX_ATTR_IMMUTABLE)
		1347	const_iv (STATX_ATTR_APPEND)
		1348	const_iv (STATX_ATTR_NODUMP)
		1349	const_iv (STATX_ATTR_ENCRYPTED)
		1350	const_iv (STATX_ATTR_AUTOMOUNT)
		1351
		1352	const_iv (AT_FDCWD)
		1353	const_iv (AT_SYMLINK_NOFOLLOW)
		1354	const_iv (AT_EACCESS)
		1355	const_iv (AT_REMOVEDIR)
		1356	const_iv (AT_SYMLINK_FOLLOW)
		1357	const_iv (AT_NO_AUTOMOUNT)
		1358	const_iv (AT_EMPTY_PATH)
		1359	const_iv (AT_STATX_SYNC_TYPE)
		1360	const_iv (AT_STATX_AS_STAT)
		1361	const_iv (AT_STATX_FORCE_SYNC)
		1362	const_iv (AT_STATX_DONT_SYNC)
		1363	const_iv (AT_RECURSIVE)
		1364
		1365	const_iv (OPEN_TREE_CLONE)
		1366
		1367	const_iv (FSOPEN_CLOEXEC)
		1368
		1369	const_iv (FSPICK_CLOEXEC)
		1370	const_iv (FSPICK_SYMLINK_NOFOLLOW)
		1371	const_iv (FSPICK_NO_AUTOMOUNT)
		1372	const_iv (FSPICK_EMPTY_PATH)
		1373
		1374	const_iv (MOVE_MOUNT_F_SYMLINKS)
		1375	const_iv (MOVE_MOUNT_F_AUTOMOUNTS)
		1376	const_iv (MOVE_MOUNT_F_EMPTY_PATH)
		1377	const_iv (MOVE_MOUNT_T_SYMLINKS)
		1378	const_iv (MOVE_MOUNT_T_AUTOMOUNTS)
		1379	const_iv (MOVE_MOUNT_T_EMPTY_PATH)
		1380
		1381	/* waitid */
		1382	const_iv (P_PID)
		1383	const_iv (P_PIDFD)
		1384	const_iv (P_PGID)
		1385	const_iv (P_ALL)
		1386
		1387	const_iv (FSCONFIG_SET_FLAG)
		1388	const_iv (FSCONFIG_SET_STRING)
		1389	const_iv (FSCONFIG_SET_BINARY)
		1390	const_iv (FSCONFIG_SET_PATH)
		1391	const_iv (FSCONFIG_SET_PATH_EMPTY)
		1392	const_iv (FSCONFIG_SET_FD)
		1393	const_iv (FSCONFIG_CMD_CREATE)
		1394	const_iv (FSCONFIG_CMD_RECONFIGURE)
		1395
		1396	const_iv (MOUNT_ATTR_RDONLY)
		1397	const_iv (MOUNT_ATTR_NOSUID)
		1398	const_iv (MOUNT_ATTR_NODEV)
		1399	const_iv (MOUNT_ATTR_NOEXEC)
		1400	const_iv (MOUNT_ATTR__ATIME)
		1401	const_iv (MOUNT_ATTR_RELATIME)
		1402	const_iv (MOUNT_ATTR_NOATIME)
		1403	const_iv (MOUNT_ATTR_STRICTATIME)
		1404	const_iv (MOUNT_ATTR_NODIRATIME)
		1405
1089	/* these are libeio constants, and are independent of gendef0 */	1406	/* these are libeio constants, and are independent of gendef0 */
1090	const_eio (SEEK_SET)	1407	const_eio (SEEK_SET)
1091	const_eio (SEEK_CUR)	1408	const_eio (SEEK_CUR)
1092	const_eio (SEEK_END)	1409	const_eio (SEEK_END)
1093		1410
1094	const_eio (MCL_FUTURE)	1411	const_eio (MCL_FUTURE)
1095	const_eio (MCL_CURRENT)	1412	const_eio (MCL_CURRENT)
		1413	const_eio (MCL_ONFAULT)
1096		1414
1097	const_eio (MS_ASYNC)	1415	const_eio (MS_ASYNC)
1098	const_eio (MS_INVALIDATE)	1416	const_eio (MS_INVALIDATE)
1099	const_eio (MS_SYNC)	1417	const_eio (MS_SYNC)
1100		1418
…		…
1139	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)	1457	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
1140	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));	1458	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
1141		1459
1142	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1460	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
1143		1461
		1462	/* allocate dummy pipe fd for aio_close */
		1463	{
		1464	int pipefd [2];
		1465
		1466	if (
		1467	#ifdef _WIN32
		1468	_pipe (pipefd, 1, _O_BINARY) < 0
		1469	#else
		1470	pipe (pipefd) < 0
		1471	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1472	#endif
		1473	|| close (pipefd [1]) < 0
		1474	)
		1475	croak ("IO::AIO: unable to create dummy pipe for aio_close");
		1476
		1477	close_fd = pipefd [0];
		1478	}
		1479
1144	reinit ();	1480	reinit ();
1145	}	1481	}
1146		1482
1147	void	1483	void
1148	reinit ()	1484	reinit ()
…		…
1270		1606
1271	void	1607	void
1272	aio_close (SV *fh, SV *callback = &PL_sv_undef)	1608	aio_close (SV *fh, SV *callback = &PL_sv_undef)
1273	PPCODE:	1609	PPCODE:
1274	{	1610	{
1275	static int close_fd = -1; /* dummy fd to close fds via dup2 */
1276	int fd = s_fileno_croak (fh, 0);	1611	int fd = s_fileno_croak (fh, 0);
1277	dREQ;	1612	dREQ;
		1613	#if 0
		1614	/* partially duplicate logic in s_fileno */
		1615	SvGETMAGIC (fh);
1278		1616
1279	if (expect_false (close_fd < 0))	1617	if (SvROK (fh))
		1618	{
		1619	fh = SvRV (fh);
		1620	SvGETMAGIC (fh);
		1621	}
		1622
		1623	if (SvTYPE (fh) == SVt_PVGV)
1280	{	1624	{
1281	int pipefd [2];	1625	/* perl filehandle */
		1626	PerlIOUnix_refcnt_inc (fd);
		1627	do_close ((GV *)fh, 1);
1282		1628
1283	if (	1629	req->type = EIO_CLOSE;
1284	#ifdef _WIN32	1630	req->int1 = fd;
1285	_pipe (pipefd, 1, _O_BINARY) < 0	1631	/*req->sv2 = newSVsv (fh);*/ /* since we stole the fd, no need to keep the fh */
1286	#else
1287	pipe (pipefd) < 0
1288	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1289	#endif
1290	|| close (pipefd [1]) < 0
1291	)
1292	abort (); /*D*/
1293
1294	close_fd = pipefd [0];
1295	}	1632	}
1296		1633	else
		1634	#endif
		1635	{
		1636	/* fd number */
1297	req->type = EIO_DUP2;	1637	req->type = EIO_DUP2;
1298	req->int1 = close_fd;	1638	req->int1 = close_fd;
1299	req->sv2 = newSVsv (fh);	1639	req->sv2 = newSVsv (fh);
1300	req->int2 = fd;	1640	req->int2 = fd;
		1641	}
1301		1642
1302	REQ_SEND;	1643	REQ_SEND;
1303	}	1644	}
1304		1645
1305	void	1646	void
…		…
1476	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);	1817	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1477		1818
1478	REQ_SEND;	1819	REQ_SEND;
1479	}	1820	}
1480		1821
		1822	void
		1823	st_xtime ()
		1824	ALIAS:
		1825	st_atime = 0x01
		1826	st_mtime = 0x02
		1827	st_ctime = 0x04
		1828	st_btime = 0x08
		1829	st_xtime = 0x0f
		1830	PPCODE:
		1831	EXTEND (SP, 4);
		1832	if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
		1833	if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
		1834	if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
		1835	if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
		1836
		1837	void
		1838	st_xtimensec ()
		1839	ALIAS:
		1840	st_atimensec = 0x01
		1841	st_mtimensec = 0x02
		1842	st_ctimensec = 0x04
		1843	st_btimensec = 0x08
		1844	st_xtimensec = 0x0f
		1845	st_btimesec = 0x10
		1846	st_gen = 0x20
		1847	PPCODE:
		1848	EXTEND (SP, 4);
		1849	if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
		1850	if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
		1851	if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
		1852	if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
		1853	if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
		1854	if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
		1855
1481	UV	1856	UV
1482	major (UV dev)	1857	major (UV dev)
1483	ALIAS:	1858	ALIAS:
1484	minor = 1	1859	minor = 1
1485	CODE:	1860	CODE:
…		…
1601	eio_wd wd2 = 0;	1976	eio_wd wd2 = 0;
1602	dREQ;	1977	dREQ;
1603		1978
1604	req->type = ix;	1979	req->type = ix;
1605	req_set_path1 (req, oldpath);	1980	req_set_path1 (req, oldpath);
1606	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);	1981	req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1607	req->int3 = (long)wd2;	1982	req->int3 = (long)wd2;
1608		1983
1609	REQ_SEND;	1984	REQ_SEND;
1610	}	1985	}
1611		1986
…		…
1616	eio_wd wd2 = 0;	1991	eio_wd wd2 = 0;
1617	dREQ;	1992	dREQ;
1618		1993
1619	req->type = EIO_RENAME;	1994	req->type = EIO_RENAME;
1620	req_set_path1 (req, oldpath);	1995	req_set_path1 (req, oldpath);
1621	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);	1996	req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1622	req->int2 = flags;	1997	req->int2 = flags;
1623	req->int3 = (long)wd2;	1998	req->int3 = (long)wd2;
1624		1999
1625	REQ_SEND;	2000	REQ_SEND;
1626	}	2001	}
…		…
1735	req->int2 = flags;	2110	req->int2 = flags;
1736	req->int3 = SvOK (count) ? SvIV (count) : -1;	2111	req->int3 = SvOK (count) ? SvIV (count) : -1;
1737	#endif	2112	#endif
1738		2113
1739	REQ_SEND;	2114	REQ_SEND;
		2115	}
		2116
		2117	void
		2118	aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
		2119	PPCODE:
		2120	{
		2121	char *svptr = 0;
		2122
		2123	sv_clear_foreign (data);
		2124
		2125	if (length) /* known length, directly read into scalar */
		2126	{
		2127	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
		2128	svptr = sv_grow (data, length + 1);
		2129	else if (SvCUR (data) < length)
		2130	croak ("length outside of scalar, and cannot grow");
		2131	else
		2132	svptr = SvPVbyte_nolen (data);
		2133	}
		2134
		2135	{
		2136	dREQ;
		2137
		2138	req->type = EIO_SLURP;
		2139	req_set_path1 (req, pathname);
		2140	req->offs = offset;
		2141	req->size = length;
		2142	req->sv2 = SvREFCNT_inc (data);
		2143	req->ptr2 = svptr;
		2144
		2145	if (!SvREADONLY (data))
		2146	{
		2147	SvREADONLY_on (data);
		2148	req->flags |= FLAG_SV2_RO_OFF;
		2149	}
		2150
		2151	REQ_SEND;
		2152	}
1740	}	2153	}
1741		2154
1742	void	2155	void
1743	aio_busy (double delay, SV *callback = &PL_sv_undef)	2156	aio_busy (double delay, SV *callback = &PL_sv_undef)
1744	PPCODE:	2157	PPCODE:
…		…
1881	RETVAL	2294	RETVAL
1882		2295
1883	void	2296	void
1884	mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)	2297	mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1885	PPCODE:	2298	PPCODE:
1886	sv_unmagic (scalar, MMAP_MAGIC);	2299	sv_clear_foreign (scalar);
1887	{	2300	{
1888	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	2301	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1889	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	2302	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1890	if (addr == (void *)-1)	2303	if (addr == (void *)-1)
1891	XSRETURN_NO;	2304	XSRETURN_NO;
1892		2305
1893	sv_force_normal (scalar);	2306	sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1894
1895	/* we store the length in mg_obj, as namlen is I32 :/ */
1896	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1897	->mg_obj = (SV *)length;
1898
1899	SvUPGRADE (scalar, SVt_PV); /* nop... */
1900		2307
1901	if (!(prot & PROT_WRITE))	2308	if (!(prot & PROT_WRITE))
1902	SvREADONLY_on (scalar);	2309	SvREADONLY_on (scalar);
1903		2310
1904	if (SvLEN (scalar))
1905	Safefree (SvPVX (scalar));
1906
1907	SvPVX (scalar) = (char *)addr;
1908	SvCUR_set (scalar, length);
1909	SvLEN_set (scalar, 0);
1910	SvPOK_only (scalar);
1911
1912	XSRETURN_YES;	2311	XSRETURN_YES;
1913	}	2312	}
1914		2313
1915	void	2314	void
1916	munmap (SV *scalar)	2315	munmap (SV *scalar)
1917	CODE:	2316	CODE:
1918	sv_unmagic (scalar, MMAP_MAGIC);	2317	sv_clear_foreign (scalar);
		2318
		2319	SV *
		2320	mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
		2321	CODE:
		2322	{
		2323	MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
		2324	void *new;
		2325
		2326	if (!mg || SvPVX (scalar) != mg->mg_ptr)
		2327	croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
		2328
		2329	new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
		2330
		2331	RETVAL = &PL_sv_no;
		2332
		2333	if (new != (void *)-1)
		2334	{
		2335	RETVAL = new == (void *)mg->mg_ptr
		2336	? newSVpvn ("0 but true", 10)
		2337	: &PL_sv_yes;
		2338
		2339	mg->mg_ptr = (char *)new;
		2340	mg->mg_obj = (SV *)new_length;
		2341
		2342	SvPVX (scalar) = mg->mg_ptr;
		2343	SvCUR_set (scalar, new_length);
		2344	}
		2345	}
		2346	OUTPUT:
		2347	RETVAL
1919		2348
1920	int	2349	int
1921	madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)	2350	madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1922	ALIAS:	2351	ALIAS:
1923	mprotect = 1	2352	mprotect = 1
1924	CODE:	2353	CODE:
1925	{	2354	{
1926	STRLEN svlen;	2355	STRLEN svlen;
…		…
1947	}	2376	}
1948	OUTPUT:	2377	OUTPUT:
1949	RETVAL	2378	RETVAL
1950		2379
1951	int	2380	int
1952	munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)	2381	munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
1953	CODE:	2382	CODE:
1954	{	2383	{
1955	STRLEN svlen;	2384	STRLEN svlen;
1956	void *addr = SvPVbyte (scalar, svlen);	2385	void *addr = SvPVbyte (scalar, svlen);
1957	size_t len = SvUV (length);	2386	size_t len = SvUV (length);
…		…
1972	#else	2401	#else
1973	RETVAL = EIO_ENOSYS ();	2402	RETVAL = EIO_ENOSYS ();
1974	#endif	2403	#endif
1975	}	2404	}
1976	OUTPUT:	2405	OUTPUT:
		2406	RETVAL
		2407
		2408	int
		2409	mlockall (int flags)
		2410	PROTOTYPE: $;
		2411	CODE:
		2412	RETVAL = eio_mlockall_sync (flags);
		2413	OUTPUT:
1977	RETVAL	2414	RETVAL
1978		2415
1979	int	2416	int
1980	munlockall ()	2417	munlockall ()
1981	CODE:	2418	CODE:
…		…
1986	#endif	2423	#endif
1987	OUTPUT:	2424	OUTPUT:
1988	RETVAL	2425	RETVAL
1989		2426
1990	int	2427	int
		2428	statx (SV8 *pathname, int flags, UV mask)
		2429	CODE:
		2430	{
		2431	/* undocumented, and might go away, and anyway, should use eio_statx */
		2432	SV *wdsv = 0;
		2433	SV *pathsv = 0;
		2434	eio_wd wd = EIO_CWD;
		2435	void *ptr;
		2436	int res;
		2437
		2438	req_set_path (pathname, &wdsv, &pathsv, &wd, &ptr);
		2439	RETVAL = eio__statx (!wd || wd->fd == EIO_CWD ? AT_FDCWD : wd->fd, ptr, flags, mask & STATX_ALL, &stx);
		2440
		2441	SvREFCNT_dec (pathsv);
		2442	SvREFCNT_dec (wdsv);
		2443	}
		2444	OUTPUT:
		2445	RETVAL
		2446
		2447	U32
		2448	stx_mode ()
		2449	PROTOTYPE:
		2450	CODE:
		2451	#if HAVE_STATX
		2452	RETVAL = stx.stx_mode;
		2453	#else
		2454	XSRETURN_UNDEF;
		2455	#endif
		2456	OUTPUT:
		2457	RETVAL
		2458
		2459	#define STATX_OFFSET_mask statx_offsetof (stx_mask)
		2460	#define STATX_OFFSET_blksize statx_offsetof (stx_blksize)
		2461	#define STATX_OFFSET_nlink statx_offsetof (stx_nlink)
		2462	#define STATX_OFFSET_uid statx_offsetof (stx_uid)
		2463	#define STATX_OFFSET_gid statx_offsetof (stx_gid)
		2464	#define STATX_OFFSET_rdev_major statx_offsetof (stx_rdev_major)
		2465	#define STATX_OFFSET_rdev_minor statx_offsetof (stx_rdev_minor)
		2466	#define STATX_OFFSET_dev_major statx_offsetof (stx_dev_major)
		2467	#define STATX_OFFSET_dev_minor statx_offsetof (stx_dev_minor)
		2468	#define STATX_OFFSET_attributes statx_offsetof (stx_attributes)
		2469	#define STATX_OFFSET_ino statx_offsetof (stx_ino)
		2470	#define STATX_OFFSET_size statx_offsetof (stx_size)
		2471	#define STATX_OFFSET_blocks statx_offsetof (stx_blocks)
		2472	#define STATX_OFFSET_attributes_mask statx_offsetof (stx_attributes_mask)
		2473	#define STATX_OFFSET_atime statx_offsetof (stx_atime)
		2474	#define STATX_OFFSET_btime statx_offsetof (stx_btime)
		2475	#define STATX_OFFSET_ctime statx_offsetof (stx_ctime)
		2476	#define STATX_OFFSET_mtime statx_offsetof (stx_mtime)
		2477
		2478	U32
		2479	stx_mask ()
		2480	PROTOTYPE:
		2481	ALIAS:
		2482	stx_mask = STATX_OFFSET_mask
		2483	stx_blksize = STATX_OFFSET_blksize
		2484	stx_nlink = STATX_OFFSET_nlink
		2485	stx_uid = STATX_OFFSET_uid
		2486	stx_gid = STATX_OFFSET_gid
		2487	stx_rdev_major = STATX_OFFSET_rdev_major
		2488	stx_rdev_minor = STATX_OFFSET_rdev_minor
		2489	stx_dev_major = STATX_OFFSET_dev_major
		2490	stx_dev_minor = STATX_OFFSET_dev_minor
		2491	CODE:
		2492	#if HAVE_STATX
		2493	RETVAL = *(__u32 *)((char *)&stx + ix);
		2494	#else
		2495	XSRETURN_UNDEF;
		2496	#endif
		2497	OUTPUT:
		2498	RETVAL
		2499
		2500	VAL64
		2501	stx_attributes ()
		2502	PROTOTYPE:
		2503	ALIAS:
		2504	stx_attributes = STATX_OFFSET_attributes
		2505	stx_ino = STATX_OFFSET_ino
		2506	stx_size = STATX_OFFSET_size
		2507	stx_blocks = STATX_OFFSET_blocks
		2508	stx_attributes_mask = STATX_OFFSET_attributes_mask
		2509	CODE:
		2510	#if HAVE_STATX
		2511	RETVAL = *(__u64 *)((char *)&stx + ix);
		2512	#else
		2513	XSRETURN_UNDEF;
		2514	#endif
		2515	OUTPUT:
		2516	RETVAL
		2517
		2518	NV
		2519	stx_atime ()
		2520	PROTOTYPE:
		2521	ALIAS:
		2522	stx_atime = STATX_OFFSET_atime
		2523	stx_btime = STATX_OFFSET_btime
		2524	stx_ctime = STATX_OFFSET_ctime
		2525	stx_mtime = STATX_OFFSET_mtime
		2526	CODE:
		2527	#if HAVE_STATX
		2528	struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
		2529	RETVAL = ts->tv_sec + ts->tv_nsec * 1e-9;
		2530	#else
		2531	XSRETURN_UNDEF;
		2532	#endif
		2533	OUTPUT:
		2534	RETVAL
		2535
		2536	VAL64
		2537	stx_atimesec ()
		2538	PROTOTYPE:
		2539	ALIAS:
		2540	stx_atimesec = STATX_OFFSET_atime
		2541	stx_btimesec = STATX_OFFSET_btime
		2542	stx_ctimesec = STATX_OFFSET_ctime
		2543	stx_mtimesec = STATX_OFFSET_mtime
		2544	CODE:
		2545	#if HAVE_STATX
		2546	struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
		2547	RETVAL = ts->tv_sec;
		2548	#else
		2549	XSRETURN_UNDEF;
		2550	#endif
		2551	OUTPUT:
		2552	RETVAL
		2553
		2554	U32
		2555	stx_atimensec ()
		2556	PROTOTYPE:
		2557	ALIAS:
		2558	stx_atimensec = STATX_OFFSET_atime
		2559	stx_btimensec = STATX_OFFSET_btime
		2560	stx_ctimensec = STATX_OFFSET_ctime
		2561	stx_mtimensec = STATX_OFFSET_mtime
		2562	CODE:
		2563	#if HAVE_STATX
		2564	struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
		2565	RETVAL = ts->tv_nsec;
		2566	#else
		2567	RETVAL = 0;
		2568	#endif
		2569	OUTPUT:
		2570	RETVAL
		2571
		2572	void
		2573	accept4 (aio_rfd rfh, SV *sockaddr, int salen, int flags)
		2574	PPCODE:
		2575	{
		2576	SV *retval;
		2577	#if HAVE_ACCEPT4
		2578	socklen_t salen_ = salen ? salen + 1 : 0;
		2579
		2580	if (salen)
		2581	{
		2582	sv_upgrade (sockaddr, SVt_PV);
		2583	sv_grow (sockaddr, salen_);
		2584	}
		2585
		2586	int res = accept4 (rfh, salen ? (struct sockaddr *)SvPVX (sockaddr) : 0, salen ? &salen_ : 0, flags);
		2587
		2588	retval = newmortalFH (res, O_RDWR);
		2589
		2590	if (res >= 0 && salen > 0)
		2591	{
		2592	if (salen_ > salen + 1)
		2593	salen_ = salen + 1;
		2594
		2595	SvPOK_only (sockaddr);
		2596	SvCUR_set (sockaddr, salen_);
		2597	}
		2598	#else
		2599	errno = ENOSYS;
		2600	retval = &PL_sv_undef;
		2601	#endif
		2602	XPUSHs (retval);
		2603	}
		2604
		2605	ssize_t
1991	splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)	2606	splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
1992	CODE:	2607	CODE:
1993	{	2608	{
1994	#if HAVE_LINUX_SPLICE	2609	#if HAVE_LINUX_SPLICE
1995	loff_t off_in_, off_out_;	2610	loff_t off_in_, off_out_;
…		…
2003	#endif	2618	#endif
2004	}	2619	}
2005	OUTPUT:	2620	OUTPUT:
2006	RETVAL	2621	RETVAL
2007		2622
2008	int	2623	ssize_t
2009	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)	2624	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2010	CODE:	2625	CODE:
2011	#if HAVE_LINUX_SPLICE	2626	#if HAVE_LINUX_SPLICE
2012	RETVAL = tee (rfh, wfh, length, flags);	2627	RETVAL = tee (rfh, wfh, length, flags);
2013	#else	2628	#else
…		…
2055	PUSHs (newmortalFH (fd[0], O_RDONLY));	2670	PUSHs (newmortalFH (fd[0], O_RDONLY));
2056	PUSHs (newmortalFH (fd[1], O_WRONLY));	2671	PUSHs (newmortalFH (fd[1], O_WRONLY));
2057	}	2672	}
2058	}	2673	}
2059		2674
		2675	void
		2676	pidfd_open (int pid, unsigned int flags = 0)
		2677	PPCODE:
		2678	{
		2679	/*GENDEF0_SYSCALL(pidfd_open,434)*/
		2680	int fd = syscall (SYS_pidfd_open, pid, flags);
		2681	XPUSHs (newmortalFH (fd, O_RDWR));
		2682	}
		2683
		2684	int
		2685	pidfd_send_signal (SV *pidfh, int sig, SV *siginfo = &PL_sv_undef, unsigned int flags = 0)
		2686	PPCODE:
		2687	{
		2688	int res;
		2689	#if HAVE_SIGINFO_T
		2690	siginfo_t si = { 0 };
		2691
		2692	if (SvOK (siginfo))
		2693	{
		2694	HV *hv;
		2695	SV **svp;
		2696
		2697	if (!SvROK (siginfo) || SvTYPE (SvRV (siginfo)) != SVt_PVHV)
		2698	croak ("siginfo argument must be a hashref with 'code', 'pid', 'uid' and 'value_int' or 'value_ptr' members, caught");
		2699
		2700	hv = (HV *)SvRV (siginfo);
		2701
		2702	if ((svp = hv_fetchs (hv, "code" , 0))) si.si_code = SvIV (*svp);
		2703	if ((svp = hv_fetchs (hv, "pid" , 0))) si.si_pid = SvIV (*svp);
		2704	if ((svp = hv_fetchs (hv, "uid" , 0))) si.si_uid = SvIV (*svp);
		2705	if ((svp = hv_fetchs (hv, "value_int", 0))) si.si_value.sival_int = SvIV (*svp);
		2706	if ((svp = hv_fetchs (hv, "value_ptr", 0))) si.si_value.sival_ptr = (void *)SvIV (*svp);
		2707	}
		2708
		2709	/*GENDEF0_SYSCALL(pidfd_send_signal,424)*/
		2710	res = syscall (SYS_pidfd_send_signal, s_fileno_croak (pidfh, 0), sig, SvOK (siginfo) ? &si : 0, flags);
		2711	#else
		2712	res = (errno = ENOSYS, -1);
		2713	#endif
		2714
		2715	XPUSHs (sv_2mortal (newSViv (res)));
		2716	}
		2717
		2718	void
		2719	pidfd_getfd (SV *pidfh, int targetfd, unsigned int flags = 0)
		2720	PPCODE:
		2721	{
		2722	/*GENDEF0_SYSCALL(pidfd_getfd,438)*/
		2723	int fd = syscall (SYS_pidfd_getfd, s_fileno_croak (pidfh, 0), targetfd, flags);
		2724	XPUSHs (newmortalFH (fd, O_RDWR));
		2725	}
		2726
		2727	void
		2728	eventfd (unsigned int initval = 0, int flags = 0)
		2729	PPCODE:
		2730	{
		2731	int fd;
		2732	#if HAVE_EVENTFD
		2733	fd = eventfd (initval, flags);
		2734	#else
		2735	fd = (errno = ENOSYS, -1);
		2736	#endif
		2737
		2738	XPUSHs (newmortalFH (fd, O_RDWR));
		2739	}
		2740
		2741	void
		2742	timerfd_create (int clockid, int flags = 0)
		2743	PPCODE:
		2744	{
		2745	int fd;
		2746	#if HAVE_TIMERFD
		2747	fd = timerfd_create (clockid, flags);
		2748	#else
		2749	fd = (errno = ENOSYS, -1);
		2750	#endif
		2751
		2752	XPUSHs (newmortalFH (fd, O_RDWR));
		2753	}
		2754
		2755	void
		2756	timerfd_settime (SV *fh, int flags, NV interval, NV value)
		2757	PPCODE:
		2758	{
		2759	int fd = s_fileno_croak (fh, 0);
		2760	#if HAVE_TIMERFD
		2761	int res;
		2762	struct itimerspec its, ots;
		2763
		2764	ts_set (&its.it_interval, interval);
		2765	ts_set (&its.it_value , value);
		2766	res = timerfd_settime (fd, flags, &its, &ots);
		2767
		2768	if (!res)
		2769	{
		2770	EXTEND (SP, 2);
		2771	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2772	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2773	}
		2774	#else
		2775	errno = ENOSYS;
		2776	#endif
		2777	}
		2778
		2779	void
		2780	timerfd_gettime (SV *fh)
		2781	PPCODE:
		2782	{
		2783	int fd = s_fileno_croak (fh, 0);
		2784	#if HAVE_TIMERFD
		2785	int res;
		2786	struct itimerspec ots;
		2787	res = timerfd_gettime (fd, &ots);
		2788
		2789	if (!res)
		2790	{
		2791	EXTEND (SP, 2);
		2792	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2793	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2794	}
		2795	#else
		2796	errno = ENOSYS;
		2797	#endif
		2798	}
		2799
		2800	void
		2801	memfd_create (SV8 *pathname, int flags = 0)
		2802	PPCODE:
		2803	{
		2804	int fd;
		2805	#if HAVE_MEMFD_CREATE
		2806	fd = memfd_create (SvPVbyte_nolen (pathname), flags);
		2807	#else
		2808	fd = (errno = ENOSYS, -1);
		2809	#endif
		2810
		2811	XPUSHs (newmortalFH (fd, O_RDWR));
		2812	}
		2813
2060	UV	2814	UV
2061	get_fdlimit ()	2815	get_fdlimit ()
2062	CODE:	2816	CODE:
2063	#if HAVE_RLIMITS	2817	#if HAVE_RLIMITS
2064	struct rlimit rl;	2818	struct rlimit rl;
…		…
2097	if (0 == setrlimit (RLIMIT_NOFILE, &rl))	2851	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2098	XSRETURN_YES;	2852	XSRETURN_YES;
2099		2853
2100	if (errno == EPERM)	2854	if (errno == EPERM)
2101	{	2855	{
2102	/* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */	2856	/* setrlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2103	/* our limit overflows a system-wide limit */	2857	/* our limit overflows a system-wide limit */
2104	/* try an adaptive algorithm, but do not lower the hardlimit */	2858	/* try an adaptive algorithm, but do not lower the hardlimit */
2105	rl.rlim_max = 0;	2859	rl.rlim_max = 0;
2106	for (bit = 0x40000000U; bit; bit >>= 1)	2860	for (bit = 0x40000000U; bit; bit >>= 1)
2107	{	2861	{
2108	rl.rlim_max |= bit;	2862	rl.rlim_max |= bit;
2109	rl.rlim_cur = rl.rlim_max;	2863	rl.rlim_cur = rl.rlim_max;
2110		2864
2111	/* nevr decrease the hard limit */	2865	/* never decrease the hard limit */
2112	if (rl.rlim_max < orig_rlim_max)	2866	if (rl.rlim_max < orig_rlim_max)
2113	break;	2867	break;
2114		2868
2115	if (0 != setrlimit (RLIMIT_NOFILE, &rl))	2869	if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2116	rl.rlim_max &= ~bit; /* too high, remove bit again */	2870	rl.rlim_max &= ~bit; /* too high, remove bit again */

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