[ViewVC] Diff of: cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.259 by root, Sun Jul 22 20:39:19 2018 UTC vs.
Revision 1.295 by root, Mon Sep 5 00:03:32 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	#if !defined mg_findext	10	#if !defined mg_findext
10	# define mg_findext(sv,type,vtbl) mg_find (sv, type)	11	# define mg_findext(sv,type,vtbl) mg_find (sv, type)
11	#endif	12	#endif
12		13
13	#include <stddef.h>	14	#include <stddef.h>
14	#include <stdlib.h>	15	#include <stdlib.h>
15	#include <errno.h>	16	#include <errno.h>
16	#include <sys/types.h>	17	#include <sys/types.h>
		18	#include <sys/socket.h>
17	#include <sys/stat.h>	19	#include <sys/stat.h>
18	#include <limits.h>	20	#include <limits.h>
19	#include <fcntl.h>	21	#include <fcntl.h>
20	#include <sched.h>	22	#include <sched.h>
21
22	#if _POSIX_MEMLOCK \|\| _POSIX_MEMLOCK_RANGE \|\| _POSIX_MAPPED_FILES
23	# include <sys/mman.h>
24	#endif
25		23
26	/* the incompetent fool that created musl keeps __linux__, refuses	24	/* the incompetent fool that created musl keeps __linux__, refuses
27	* 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
28	* 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
29	* for you.	27	* for you.
…		…
77	#undef fchmod	75	#undef fchmod
78	#undef dup	76	#undef dup
79	#undef dup2	77	#undef dup2
80	#undef abort	78	#undef abort
81	#undef pipe	79	#undef pipe
		80	#undef utime
82		81
83	#define EIO_STRUCT_STAT struct _stati64	82	#define EIO_STRUCT_STAT struct _stati64
84	#define EIO_STRUCT_STATI64	83	#define EIO_STRUCT_STATI64
85		84
86	#else	85	#else
87		86
88	#include <sys/time.h>	87	#include <sys/time.h>
89	#include <sys/select.h>	88	#include <sys/select.h>
		89	#include <sys/wait.h>
90	#include <unistd.h>	90	#include <unistd.h>
91	#include <utime.h>	91	#include <utime.h>
92	#include <signal.h>	92	#include <signal.h>
93		93
94	#define EIO_STRUCT_STAT Stat_t	94	#define EIO_STRUCT_STAT Stat_t
…		…
106	#define expect_false(expr) expect ((expr) != 0, 0)	106	#define expect_false(expr) expect ((expr) != 0, 0)
107	#define expect_true(expr) expect ((expr) != 0, 1)	107	#define expect_true(expr) expect ((expr) != 0, 1)
108		108
109	/*****************************************************************************/	109	/*****************************************************************************/
110		110
111	#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
112		157
113	#include "schmorp.h"	158	#include "schmorp.h"
114		159
115	#if HAVE_EVENTFD	160	#if HAVE_EVENTFD
116	# include <sys/eventfd.h>	161	# include <sys/eventfd.h>
…		…
163	# else	208	# else
164	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	209	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
165	# endif	210	# endif
166	#endif	211	#endif
167		212
168	/* defines all sorts of constants to 0 unless they are already defined */
169	/* also provides const_iv_ and const_niv_ macros for them */
170	#include "def0.h"
171
172	#ifndef makedev	213	#ifndef makedev
173	# define makedev(maj,min) (((maj) << 8) \| (min))	214	# define makedev(maj,min) (((maj) << 8) \| (min))
174	#endif	215	#endif
175	#ifndef major	216	#ifndef major
176	# define major(dev) ((dev) >> 8)	217	# define major(dev) ((dev) >> 8)
177	#endif	218	#endif
178	#ifndef minor	219	#ifndef minor
179	# define minor(dev) ((dev) & 0xff)	220	# define minor(dev) ((dev) & 0xff)
180	#endif	221	#endif
181		222
		223	/* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */
		224	#ifdef __sun
		225	# undef PAGESIZE
		226	#endif
		227
182	#if PAGESIZE <= 0	228	#if PAGESIZE <= 0
183	# define PAGESIZE sysconf (_SC_PAGESIZE)	229	# define PAGESIZE sysconf (_SC_PAGESIZE)
184	#endif	230	#endif
185		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
186	/*****************************************************************************/	243	/*****************************************************************************/
187		244
188	#if !_POSIX_MAPPED_FILES	245	#if !_POSIX_MAPPED_FILES
189	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()	246	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
190	# define munmap(addr,length) EIO_ENOSYS ()	247	# define munmap(addr,length) EIO_ENOSYS ()
191	#endif	248	#endif
192		249
193	#if !_POSIX_MEMORY_PROTECTION	250	#if !_POSIX_MEMORY_PROTECTION
194	# define mprotect(addr,len,prot) EIO_ENOSYS ()	251	# define mprotect(addr,len,prot) EIO_ENOSYS ()
…		…
248	};	305	};
249		306
250	/*****************************************************************************/	307	/*****************************************************************************/
251		308
252	/* helper: set scalar to foreign ptr with custom free */	309	/* helper: set scalar to foreign ptr with custom free */
		310	ecb_noinline
253	static void	311	static void
254	sv_set_foreign (SV sv, const MGVTBL const vtbl, void *addr, IV length)	312	sv_set_foreign (SV sv, const MGVTBL const vtbl, void *addr, IV length)
255	{	313	{
256	sv_force_normal (sv);	314	sv_force_normal (sv);
257		315
…		…
275	{	333	{
276	/* todo: iterate over magic and only free ours, but of course */	334	/* todo: iterate over magic and only free ours, but of course */
277	/* the perl5porters will call that (correct) behaviour buggy */	335	/* the perl5porters will call that (correct) behaviour buggy */
278	sv_unmagic (sv, FOREIGN_MAGIC);	336	sv_unmagic (sv, FOREIGN_MAGIC);
279	}	337	}
		338
		339	/*****************************************************************************/
		340
		341	/* defines all sorts of constants to 0 unless they are already defined */
		342	/* also provides const_iv_ and const_niv_ macros for them */
		343	#include "def0.h"
280		344
281	/*****************************************************************************/	345	/*****************************************************************************/
282		346
283	static void	347	static void
284	fiemap (eio_req *req)	348	fiemap (eio_req *req)
…		…
292	int count = req->int3;	356	int count = req->int3;
293		357
294	req->flags \|= EIO_FLAG_PTR1_FREE;	358	req->flags \|= EIO_FLAG_PTR1_FREE;
295		359
296	/* 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, */
297	/* increase in 3.5kb steps */	361	/* increase in fixed steps */
298	if (count < 0)	362	if (count < 0)
299	count = 8;	363	count = 8;
300		364
301	fiemap = malloc (sizeof (fiemap) + sizeof (struct fiemap_extent) count);	365	fiemap = malloc (sizeof (fiemap) + sizeof (struct fiemap_extent) count);
302	errno = ENOMEM;	366	errno = ENOMEM;
…		…
355		419
356	for (count = 0; count < incmap->fm_mapped_extents; ++count)	420	for (count = 0; count < incmap->fm_mapped_extents; ++count)
357	{	421	{
358	struct fiemap_extent *e = incmap->fm_extents + count;	422	struct fiemap_extent *e = incmap->fm_extents + count;
359		423
		424	fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
		425
360	if (e->fe_logical + e->fe_length >= end_offset)	426	if (e->fe_logical >= end_offset)
361	goto done;	427	goto done;
362
363	fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
364		428
365	if (e->fe_flags & FIEMAP_EXTENT_LAST)	429	if (e->fe_flags & FIEMAP_EXTENT_LAST)
366	goto done;	430	goto done;
367		431
368	}	432	}
…		…
375	errno = ENOSYS;	439	errno = ENOSYS;
376	#endif	440	#endif
377	}	441	}
378		442
379	/*****************************************************************************/	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
380		455
381	enum {	456	enum {
382	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	457	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
383	};	458	};
384		459
…		…
408	/* read any signals sent by the worker threads */	483	/* read any signals sent by the worker threads */
409	s_epipe_drain (&respipe);	484	s_epipe_drain (&respipe);
410	}	485	}
411		486
412	/* must be called at most once */	487	/* must be called at most once */
		488	ecb_noinline
413	static SV *	489	static SV *
414	req_sv (aio_req req, HV *stash)	490	req_sv (aio_req req, HV *stash)
415	{	491	{
416	if (!req->self)	492	if (!req->self)
417	{	493	{
…		…
426	newSVaio_wd (aio_wd wd)	502	newSVaio_wd (aio_wd wd)
427	{	503	{
428	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);
429	}	505	}
430		506
		507	ecb_noinline
431	static aio_req	508	static aio_req
432	SvAIO_REQ (SV *sv)	509	SvAIO_REQ (SV *sv)
433	{	510	{
434	MAGIC *mg;	511	MAGIC *mg;
435		512
…		…
498	FREETMPS;	575	FREETMPS;
499	LEAVE;	576	LEAVE;
500	}	577	}
501	}	578	}
502		579
		580	ecb_noinline
503	static void	581	static void
504	req_submit (eio_req *req)	582	req_submit (eio_req *req)
505	{	583	{
506	eio_submit (req);	584	eio_submit (req);
507		585
…		…
768	}	846	}
769	else	847	else
770	PUSHs (sv_result);	848	PUSHs (sv_result);
771	break;	849	break;
772		850
		851	#if 0
		852	case EIO_CLOSE:
		853	PerlIOUnix_refcnt_dec (req->int1);
		854	break;
		855	#endif
		856
773	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 */
774	if (req->result > 0)	858	if (req->result > 0)
775	SvIV_set (sv_result, 0);	859	SvIV_set (sv_result, 0);
776	/* FALLTHROUGH */	860	/* FALLTHROUGH */
777		861
…		…
828	grp->sv2 = 0;	912	grp->sv2 = 0;
829		913
830	eio_grp_cancel (grp);	914	eio_grp_cancel (grp);
831	}	915	}
832		916
833	static void ecb_cold	917	ecb_cold
		918	static void
834	create_respipe (void)	919	create_respipe (void)
835	{	920	{
836	if (s_epipe_renew (&respipe))	921	if (s_epipe_renew (&respipe))
837	croak ("IO::AIO: unable to initialize result pipe");	922	croak ("IO::AIO: unable to initialize result pipe");
838	}	923	}
…		…
872		957
873	poll_wait ();	958	poll_wait ();
874	}	959	}
875	}	960	}
876		961
877	static void ecb_cold	962	ecb_cold
		963	static void
878	reinit (void)	964	reinit (void)
879	{	965	{
880	create_respipe ();	966	create_respipe ();
881		967
882	if (eio_init (want_poll, done_poll) < 0)	968	if (eio_init (want_poll, done_poll) < 0)
…		…
890	{	976	{
891	SvGETMAGIC (cb_sv);	977	SvGETMAGIC (cb_sv);
892	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	978	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
893	}	979	}
894		980
		981	ecb_noinline
895	static aio_req ecb_noinline	982	static aio_req ecb_noinline
896	dreq (SV *callback)	983	dreq (SV *callback)
897	{	984	{
898	SV *cb_cv;	985	SV *cb_cv;
899	aio_req req;	986	aio_req req;
…		…
921	SPAGAIN; \	1008	SPAGAIN; \
922	\	1009	\
923	if (GIMME_V != G_VOID) \	1010	if (GIMME_V != G_VOID) \
924	XPUSHs (req_sv (req, aio_req_stash));	1011	XPUSHs (req_sv (req, aio_req_stash));
925		1012
		1013	/* wdsv, pathsv, wd and ptr must be 0-initialized */
926	ecb_inline void	1014	ecb_inline
		1015	void
927	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)
928	{	1017	{
929	if (expect_false (SvROK (path)))	1018	if (expect_false (SvROK (path)))
930	{	1019	{
931	SV *rv = SvRV (path);	1020	SV *rv = SvRV (path);
932	SV *wdob;	1021	SV *wdob;
…		…
957		1046
958	*pathsv = newSVsv (path);	1047	*pathsv = newSVsv (path);
959	ptr = SvPVbyte_nolen (pathsv);	1048	ptr = SvPVbyte_nolen (pathsv);
960	}	1049	}
961		1050
962	static void ecb_noinline	1051	ecb_noinline
		1052	static void
963	req_set_path1 (aio_req req, SV *path)	1053	req_set_path1 (aio_req req, SV *path)
964	{	1054	{
965	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);
966	}	1056	}
967		1057
968	static void ecb_noinline	1058	ecb_noinline
		1059	static void
969	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)
970	{	1061	{
971	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;
972		1063
973	switch (SvTYPE (rv))	1064	switch (SvTYPE (rv))
…		…
998		1089
999	static NV	1090	static NV
1000	ts_get (const struct timespec *ts)	1091	ts_get (const struct timespec *ts)
1001	{	1092	{
1002	return ts->tv_sec + ts->tv_nsec * 1e-9;	1093	return ts->tv_sec + ts->tv_nsec * 1e-9;
		1094	}
		1095
		1096	/*****************************************************************************/
		1097
		1098	/* extract a ref-to-array of strings into a temporary c style string vector */
		1099	static char **
		1100	extract_stringvec (SV sv, const char croakmsg)
		1101	{
		1102	if (!SvROK (sv) \|\| SvTYPE (SvRV (sv)) != SVt_PVAV)
		1103	croak (croakmsg);
		1104
		1105	AV av = (AV )SvRV (sv);
		1106	int i, nelem = av_len (av) + 1;
		1107	char vecp = (char )SvPVX (sv_2mortal (newSV (sizeof (char ) (nelem + 1))));
		1108
		1109	for (i = 0; i < nelem; ++i)
		1110	{
		1111	SV **e = av_fetch (av, i, 0);
		1112
		1113	if (e && *e)
		1114	vecp[i] = SvPVbyte_nolen (*e);
		1115	else
		1116	vecp[i] = "";
		1117	}
		1118
		1119	vecp[nelem] = 0;
		1120
		1121	return vecp;
1003	}	1122	}
1004		1123
1005	/*****************************************************************************/	1124	/*****************************************************************************/
1006		1125
1007	XS(boot_IO__AIO) ecb_cold;	1126	XS(boot_IO__AIO) ecb_cold;
…		…
1112	const_iv (MAP_NONBLOCK)	1231	const_iv (MAP_NONBLOCK)
1113	const_iv (MAP_GROWSDOWN)	1232	const_iv (MAP_GROWSDOWN)
1114	const_iv (MAP_32BIT)	1233	const_iv (MAP_32BIT)
1115	const_iv (MAP_HUGETLB)	1234	const_iv (MAP_HUGETLB)
1116	const_iv (MAP_STACK)	1235	const_iv (MAP_STACK)
		1236	const_iv (MAP_FIXED_NOREPLACE)
		1237	const_iv (MAP_SHARED_VALIDATE)
		1238	const_iv (MAP_SYNC)
		1239	const_iv (MAP_UNINITIALIZED)
1117		1240
1118	const_iv (MREMAP_MAYMOVE)	1241	const_iv (MREMAP_MAYMOVE)
1119	const_iv (MREMAP_FIXED)	1242	const_iv (MREMAP_FIXED)
1120		1243
		1244	const_iv (MSG_CMSG_CLOEXEC)
		1245	const_iv (SOCK_CLOEXEC)
		1246
1121	const_iv (F_DUPFD_CLOEXEC)	1247	const_iv (F_DUPFD_CLOEXEC)
		1248
		1249	const_iv (F_ADD_SEALS)
		1250	const_iv (F_GET_SEALS)
		1251	const_iv (F_SEAL_SEAL)
		1252	const_iv (F_SEAL_SHRINK)
		1253	const_iv (F_SEAL_GROW)
		1254	const_iv (F_SEAL_WRITE)
1122		1255
1123	const_iv (F_OFD_GETLK)	1256	const_iv (F_OFD_GETLK)
1124	const_iv (F_OFD_SETLK)	1257	const_iv (F_OFD_SETLK)
1125	const_iv (F_OFD_GETLKW)	1258	const_iv (F_OFD_GETLKW)
1126		1259
…		…
1203		1336
1204	const_iv (EFD_CLOEXEC)	1337	const_iv (EFD_CLOEXEC)
1205	const_iv (EFD_NONBLOCK)	1338	const_iv (EFD_NONBLOCK)
1206	const_iv (EFD_SEMAPHORE)	1339	const_iv (EFD_SEMAPHORE)
1207		1340
		1341	const_iv (MFD_CLOEXEC)
		1342	const_iv (MFD_ALLOW_SEALING)
		1343	const_iv (MFD_HUGETLB)
		1344	const_iv (MFD_HUGETLB_2MB)
		1345	const_iv (MFD_HUGETLB_1GB)
		1346
1208	const_iv (CLOCK_REALTIME)	1347	const_iv (CLOCK_REALTIME)
1209	const_iv (CLOCK_MONOTONIC)	1348	const_iv (CLOCK_MONOTONIC)
1210	const_iv (CLOCK_BOOTTIME)	1349	const_iv (CLOCK_BOOTTIME)
1211	const_iv (CLOCK_REALTIME_ALARM)	1350	const_iv (CLOCK_REALTIME_ALARM)
1212	const_iv (CLOCK_BOOTTIME_ALARM)	1351	const_iv (CLOCK_BOOTTIME_ALARM)
…		…
1215	const_iv (TFD_CLOEXEC)	1354	const_iv (TFD_CLOEXEC)
1216		1355
1217	const_iv (TFD_TIMER_ABSTIME)	1356	const_iv (TFD_TIMER_ABSTIME)
1218	const_iv (TFD_TIMER_CANCEL_ON_SET)	1357	const_iv (TFD_TIMER_CANCEL_ON_SET)
1219		1358
		1359	const_iv (STATX_TYPE)
		1360	const_iv (STATX_MODE)
		1361	const_iv (STATX_NLINK)
		1362	const_iv (STATX_UID)
		1363	const_iv (STATX_GID)
		1364	const_iv (STATX_ATIME)
		1365	const_iv (STATX_MTIME)
		1366	const_iv (STATX_CTIME)
		1367	const_iv (STATX_INO)
		1368	const_iv (STATX_SIZE)
		1369	const_iv (STATX_BLOCKS)
		1370	const_iv (STATX_BASIC_STATS)
		1371	const_iv (STATX_ALL)
		1372	const_iv (STATX_BTIME)
		1373	const_iv (STATX_ATTR_COMPRESSED)
		1374	const_iv (STATX_ATTR_IMMUTABLE)
		1375	const_iv (STATX_ATTR_APPEND)
		1376	const_iv (STATX_ATTR_NODUMP)
		1377	const_iv (STATX_ATTR_ENCRYPTED)
		1378	const_iv (STATX_ATTR_AUTOMOUNT)
		1379
		1380	const_iv (AT_FDCWD)
		1381	const_iv (AT_SYMLINK_NOFOLLOW)
		1382	const_iv (AT_EACCESS)
		1383	const_iv (AT_REMOVEDIR)
		1384	const_iv (AT_SYMLINK_FOLLOW)
		1385	const_iv (AT_NO_AUTOMOUNT)
		1386	const_iv (AT_EMPTY_PATH)
		1387	const_iv (AT_STATX_SYNC_TYPE)
		1388	const_iv (AT_STATX_AS_STAT)
		1389	const_iv (AT_STATX_FORCE_SYNC)
		1390	const_iv (AT_STATX_DONT_SYNC)
		1391	const_iv (AT_RECURSIVE)
		1392
		1393	const_iv (OPEN_TREE_CLONE)
		1394
		1395	const_iv (FSOPEN_CLOEXEC)
		1396
		1397	const_iv (FSPICK_CLOEXEC)
		1398	const_iv (FSPICK_SYMLINK_NOFOLLOW)
		1399	const_iv (FSPICK_NO_AUTOMOUNT)
		1400	const_iv (FSPICK_EMPTY_PATH)
		1401
		1402	const_iv (MOVE_MOUNT_F_SYMLINKS)
		1403	const_iv (MOVE_MOUNT_F_AUTOMOUNTS)
		1404	const_iv (MOVE_MOUNT_F_EMPTY_PATH)
		1405	const_iv (MOVE_MOUNT_T_SYMLINKS)
		1406	const_iv (MOVE_MOUNT_T_AUTOMOUNTS)
		1407	const_iv (MOVE_MOUNT_T_EMPTY_PATH)
		1408
		1409	/* waitid */
		1410	const_iv (P_PID)
		1411	const_iv (P_PIDFD)
		1412	const_iv (P_PGID)
		1413	const_iv (P_ALL)
		1414
		1415	const_iv (FSCONFIG_SET_FLAG)
		1416	const_iv (FSCONFIG_SET_STRING)
		1417	const_iv (FSCONFIG_SET_BINARY)
		1418	const_iv (FSCONFIG_SET_PATH)
		1419	const_iv (FSCONFIG_SET_PATH_EMPTY)
		1420	const_iv (FSCONFIG_SET_FD)
		1421	const_iv (FSCONFIG_CMD_CREATE)
		1422	const_iv (FSCONFIG_CMD_RECONFIGURE)
		1423
		1424	const_iv (MOUNT_ATTR_RDONLY)
		1425	const_iv (MOUNT_ATTR_NOSUID)
		1426	const_iv (MOUNT_ATTR_NODEV)
		1427	const_iv (MOUNT_ATTR_NOEXEC)
		1428	const_iv (MOUNT_ATTR__ATIME)
		1429	const_iv (MOUNT_ATTR_RELATIME)
		1430	const_iv (MOUNT_ATTR_NOATIME)
		1431	const_iv (MOUNT_ATTR_STRICTATIME)
		1432	const_iv (MOUNT_ATTR_NODIRATIME)
		1433
1220	/* these are libeio constants, and are independent of gendef0 */	1434	/* these are libeio constants, and are independent of gendef0 */
1221	const_eio (SEEK_SET)	1435	const_eio (SEEK_SET)
1222	const_eio (SEEK_CUR)	1436	const_eio (SEEK_CUR)
1223	const_eio (SEEK_END)	1437	const_eio (SEEK_END)
1224		1438
1225	const_eio (MCL_FUTURE)	1439	const_eio (MCL_FUTURE)
1226	const_eio (MCL_CURRENT)	1440	const_eio (MCL_CURRENT)
		1441	const_eio (MCL_ONFAULT)
1227		1442
1228	const_eio (MS_ASYNC)	1443	const_eio (MS_ASYNC)
1229	const_eio (MS_INVALIDATE)	1444	const_eio (MS_INVALIDATE)
1230	const_eio (MS_SYNC)	1445	const_eio (MS_SYNC)
1231		1446
…		…
1270	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)	1485	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
1271	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));	1486	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
1272		1487
1273	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1488	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
1274		1489
		1490	/* allocate dummy pipe fd for aio_close */
		1491	{
		1492	int pipefd [2];
		1493
		1494	if (
		1495	#ifdef _WIN32
		1496	_pipe (pipefd, 1, _O_BINARY) < 0
		1497	#else
		1498	pipe (pipefd) < 0
		1499	\|\| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1500	#endif
		1501	\|\| close (pipefd [1]) < 0
		1502	)
		1503	croak ("IO::AIO: unable to create dummy pipe for aio_close");
		1504
		1505	close_fd = pipefd [0];
		1506	}
		1507
1275	reinit ();	1508	reinit ();
1276	}	1509	}
1277		1510
1278	void	1511	void
1279	reinit ()	1512	reinit ()
…		…
1401		1634
1402	void	1635	void
1403	aio_close (SV fh, SV callback = &PL_sv_undef)	1636	aio_close (SV fh, SV callback = &PL_sv_undef)
1404	PPCODE:	1637	PPCODE:
1405	{	1638	{
1406	static int close_fd = -1; /* dummy fd to close fds via dup2 */
1407	int fd = s_fileno_croak (fh, 0);	1639	int fd = s_fileno_croak (fh, 0);
1408	dREQ;	1640	dREQ;
		1641	#if 0
		1642	/* partially duplicate logic in s_fileno */
		1643	SvGETMAGIC (fh);
1409		1644
1410	if (expect_false (close_fd < 0))	1645	if (SvROK (fh))
		1646	{
		1647	fh = SvRV (fh);
		1648	SvGETMAGIC (fh);
		1649	}
		1650
		1651	if (SvTYPE (fh) == SVt_PVGV)
1411	{	1652	{
1412	int pipefd [2];	1653	/* perl filehandle */
		1654	PerlIOUnix_refcnt_inc (fd);
		1655	do_close ((GV *)fh, 1);
1413		1656
1414	if (	1657	req->type = EIO_CLOSE;
1415	#ifdef _WIN32	1658	req->int1 = fd;
1416	_pipe (pipefd, 1, _O_BINARY) < 0	1659	/req->sv2 = newSVsv (fh);/ /* since we stole the fd, no need to keep the fh */
1417	#else
1418	pipe (pipefd) < 0
1419	\|\| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1420	#endif
1421	\|\| close (pipefd [1]) < 0
1422	)
1423	abort (); /D/
1424
1425	close_fd = pipefd [0];
1426	}	1660	}
1427		1661	else
		1662	#endif
		1663	{
		1664	/* fd number */
1428	req->type = EIO_DUP2;	1665	req->type = EIO_DUP2;
1429	req->int1 = close_fd;	1666	req->int1 = close_fd;
1430	req->sv2 = newSVsv (fh);	1667	req->sv2 = newSVsv (fh);
1431	req->int2 = fd;	1668	req->int2 = fd;
		1669	}
1432		1670
1433	REQ_SEND;	1671	REQ_SEND;
1434	}	1672	}
1435		1673
1436	void	1674	void
…		…
1607	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);	1845	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1608		1846
1609	REQ_SEND;	1847	REQ_SEND;
1610	}	1848	}
1611		1849
		1850	void
		1851	st_xtime ()
		1852	ALIAS:
		1853	st_atime = 0x01
		1854	st_mtime = 0x02
		1855	st_ctime = 0x04
		1856	st_btime = 0x08
		1857	st_xtime = 0x0f
		1858	PPCODE:
		1859	EXTEND (SP, 4);
		1860	if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
		1861	if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
		1862	if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
		1863	if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
		1864
		1865	void
		1866	st_xtimensec ()
		1867	ALIAS:
		1868	st_atimensec = 0x01
		1869	st_mtimensec = 0x02
		1870	st_ctimensec = 0x04
		1871	st_btimensec = 0x08
		1872	st_xtimensec = 0x0f
		1873	st_btimesec = 0x10
		1874	st_gen = 0x20
		1875	PPCODE:
		1876	EXTEND (SP, 4);
		1877	if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
		1878	if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
		1879	if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
		1880	if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
		1881	if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
		1882	if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
		1883
1612	UV	1884	UV
1613	major (UV dev)	1885	major (UV dev)
1614	ALIAS:	1886	ALIAS:
1615	minor = 1	1887	minor = 1
1616	CODE:	1888	CODE:
…		…
1732	eio_wd wd2 = 0;	2004	eio_wd wd2 = 0;
1733	dREQ;	2005	dREQ;
1734		2006
1735	req->type = ix;	2007	req->type = ix;
1736	req_set_path1 (req, oldpath);	2008	req_set_path1 (req, oldpath);
1737	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);	2009	req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1738	req->int3 = (long)wd2;	2010	req->int3 = (long)wd2;
1739		2011
1740	REQ_SEND;	2012	REQ_SEND;
1741	}	2013	}
1742		2014
…		…
1747	eio_wd wd2 = 0;	2019	eio_wd wd2 = 0;
1748	dREQ;	2020	dREQ;
1749		2021
1750	req->type = EIO_RENAME;	2022	req->type = EIO_RENAME;
1751	req_set_path1 (req, oldpath);	2023	req_set_path1 (req, oldpath);
1752	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);	2024	req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1753	req->int2 = flags;	2025	req->int2 = flags;
1754	req->int3 = (long)wd2;	2026	req->int3 = (long)wd2;
1755		2027
1756	REQ_SEND;	2028	REQ_SEND;
1757	}	2029	}
…		…
2071	munmap (SV *scalar)	2343	munmap (SV *scalar)
2072	CODE:	2344	CODE:
2073	sv_clear_foreign (scalar);	2345	sv_clear_foreign (scalar);
2074		2346
2075	SV *	2347	SV *
2076	mremap (SV *scalar, STRLEN new_length, int flags = 0, IV new_address = 0)	2348	mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
2077	CODE:	2349	CODE:
2078	{	2350	{
2079	MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);	2351	MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2080	void *new;	2352	void *new;
2081		2353
…		…
2101	}	2373	}
2102	OUTPUT:	2374	OUTPUT:
2103	RETVAL	2375	RETVAL
2104		2376
2105	int	2377	int
2106	madvise (SV scalar, STRLEN offset = 0, SV length = &PL_sv_undef, IV advice_or_prot)	2378	madvise (SV scalar, IV offset = 0, SV length = &PL_sv_undef, IV advice_or_prot)
2107	ALIAS:	2379	ALIAS:
2108	mprotect = 1	2380	mprotect = 1
2109	CODE:	2381	CODE:
2110	{	2382	{
2111	STRLEN svlen;	2383	STRLEN svlen;
…		…
2132	}	2404	}
2133	OUTPUT:	2405	OUTPUT:
2134	RETVAL	2406	RETVAL
2135		2407
2136	int	2408	int
2137	munlock (SV scalar, STRLEN offset = 0, SV length = &PL_sv_undef)	2409	munlock (SV scalar, IV offset = 0, SV length = &PL_sv_undef)
2138	CODE:	2410	CODE:
2139	{	2411	{
2140	STRLEN svlen;	2412	STRLEN svlen;
2141	void *addr = SvPVbyte (scalar, svlen);	2413	void *addr = SvPVbyte (scalar, svlen);
2142	size_t len = SvUV (length);	2414	size_t len = SvUV (length);
…		…
2157	#else	2429	#else
2158	RETVAL = EIO_ENOSYS ();	2430	RETVAL = EIO_ENOSYS ();
2159	#endif	2431	#endif
2160	}	2432	}
2161	OUTPUT:	2433	OUTPUT:
		2434	RETVAL
		2435
		2436	int
		2437	mlockall (int flags)
		2438	PROTOTYPE: $;
		2439	CODE:
		2440	RETVAL = eio_mlockall_sync (flags);
		2441	OUTPUT:
2162	RETVAL	2442	RETVAL
2163		2443
2164	int	2444	int
2165	munlockall ()	2445	munlockall ()
2166	CODE:	2446	CODE:
…		…
2171	#endif	2451	#endif
2172	OUTPUT:	2452	OUTPUT:
2173	RETVAL	2453	RETVAL
2174		2454
2175	int	2455	int
		2456	statx (SV8 *pathname, int flags, UV mask)
		2457	CODE:
		2458	{
		2459	/* undocumented, and might go away, and anyway, should use eio_statx */
		2460	SV *wdsv = 0;
		2461	SV *pathsv = 0;
		2462	eio_wd wd = EIO_CWD;
		2463	void *ptr;
		2464	int res;
		2465
		2466	req_set_path (pathname, &wdsv, &pathsv, &wd, &ptr);
		2467	RETVAL = eio__statx (!wd \|\| wd->fd == EIO_CWD ? AT_FDCWD : wd->fd, ptr, flags, mask & STATX_ALL, &stx);
		2468
		2469	SvREFCNT_dec (pathsv);
		2470	SvREFCNT_dec (wdsv);
		2471	}
		2472	OUTPUT:
		2473	RETVAL
		2474
		2475	U32
		2476	stx_mode ()
		2477	PROTOTYPE:
		2478	CODE:
		2479	#if HAVE_STATX
		2480	RETVAL = stx.stx_mode;
		2481	#else
		2482	XSRETURN_UNDEF;
		2483	#endif
		2484	OUTPUT:
		2485	RETVAL
		2486
		2487	#define STATX_OFFSET_mask statx_offsetof (stx_mask)
		2488	#define STATX_OFFSET_blksize statx_offsetof (stx_blksize)
		2489	#define STATX_OFFSET_nlink statx_offsetof (stx_nlink)
		2490	#define STATX_OFFSET_uid statx_offsetof (stx_uid)
		2491	#define STATX_OFFSET_gid statx_offsetof (stx_gid)
		2492	#define STATX_OFFSET_rdev_major statx_offsetof (stx_rdev_major)
		2493	#define STATX_OFFSET_rdev_minor statx_offsetof (stx_rdev_minor)
		2494	#define STATX_OFFSET_dev_major statx_offsetof (stx_dev_major)
		2495	#define STATX_OFFSET_dev_minor statx_offsetof (stx_dev_minor)
		2496	#define STATX_OFFSET_attributes statx_offsetof (stx_attributes)
		2497	#define STATX_OFFSET_ino statx_offsetof (stx_ino)
		2498	#define STATX_OFFSET_size statx_offsetof (stx_size)
		2499	#define STATX_OFFSET_blocks statx_offsetof (stx_blocks)
		2500	#define STATX_OFFSET_attributes_mask statx_offsetof (stx_attributes_mask)
		2501	#define STATX_OFFSET_atime statx_offsetof (stx_atime)
		2502	#define STATX_OFFSET_btime statx_offsetof (stx_btime)
		2503	#define STATX_OFFSET_ctime statx_offsetof (stx_ctime)
		2504	#define STATX_OFFSET_mtime statx_offsetof (stx_mtime)
		2505
		2506	U32
		2507	stx_mask ()
		2508	PROTOTYPE:
		2509	ALIAS:
		2510	stx_mask = STATX_OFFSET_mask
		2511	stx_blksize = STATX_OFFSET_blksize
		2512	stx_nlink = STATX_OFFSET_nlink
		2513	stx_uid = STATX_OFFSET_uid
		2514	stx_gid = STATX_OFFSET_gid
		2515	stx_rdev_major = STATX_OFFSET_rdev_major
		2516	stx_rdev_minor = STATX_OFFSET_rdev_minor
		2517	stx_dev_major = STATX_OFFSET_dev_major
		2518	stx_dev_minor = STATX_OFFSET_dev_minor
		2519	CODE:
		2520	#if HAVE_STATX
		2521	RETVAL = (__u32 )((char *)&stx + ix);
		2522	#else
		2523	XSRETURN_UNDEF;
		2524	#endif
		2525	OUTPUT:
		2526	RETVAL
		2527
		2528	VAL64
		2529	stx_attributes ()
		2530	PROTOTYPE:
		2531	ALIAS:
		2532	stx_attributes = STATX_OFFSET_attributes
		2533	stx_ino = STATX_OFFSET_ino
		2534	stx_size = STATX_OFFSET_size
		2535	stx_blocks = STATX_OFFSET_blocks
		2536	stx_attributes_mask = STATX_OFFSET_attributes_mask
		2537	CODE:
		2538	#if HAVE_STATX
		2539	RETVAL = (__u64 )((char *)&stx + ix);
		2540	#else
		2541	XSRETURN_UNDEF;
		2542	#endif
		2543	OUTPUT:
		2544	RETVAL
		2545
		2546	NV
		2547	stx_atime ()
		2548	PROTOTYPE:
		2549	ALIAS:
		2550	stx_atime = STATX_OFFSET_atime
		2551	stx_btime = STATX_OFFSET_btime
		2552	stx_ctime = STATX_OFFSET_ctime
		2553	stx_mtime = STATX_OFFSET_mtime
		2554	CODE:
		2555	#if HAVE_STATX
		2556	struct statx_timestamp ts = (struct statx_timestamp )((char *)&stx + ix);
		2557	RETVAL = ts->tv_sec + ts->tv_nsec * 1e-9;
		2558	#else
		2559	XSRETURN_UNDEF;
		2560	#endif
		2561	OUTPUT:
		2562	RETVAL
		2563
		2564	VAL64
		2565	stx_atimesec ()
		2566	PROTOTYPE:
		2567	ALIAS:
		2568	stx_atimesec = STATX_OFFSET_atime
		2569	stx_btimesec = STATX_OFFSET_btime
		2570	stx_ctimesec = STATX_OFFSET_ctime
		2571	stx_mtimesec = STATX_OFFSET_mtime
		2572	CODE:
		2573	#if HAVE_STATX
		2574	struct statx_timestamp ts = (struct statx_timestamp )((char *)&stx + ix);
		2575	RETVAL = ts->tv_sec;
		2576	#else
		2577	XSRETURN_UNDEF;
		2578	#endif
		2579	OUTPUT:
		2580	RETVAL
		2581
		2582	U32
		2583	stx_atimensec ()
		2584	PROTOTYPE:
		2585	ALIAS:
		2586	stx_atimensec = STATX_OFFSET_atime
		2587	stx_btimensec = STATX_OFFSET_btime
		2588	stx_ctimensec = STATX_OFFSET_ctime
		2589	stx_mtimensec = STATX_OFFSET_mtime
		2590	CODE:
		2591	#if HAVE_STATX
		2592	struct statx_timestamp ts = (struct statx_timestamp )((char *)&stx + ix);
		2593	RETVAL = ts->tv_nsec;
		2594	#else
		2595	RETVAL = 0;
		2596	#endif
		2597	OUTPUT:
		2598	RETVAL
		2599
		2600	void
		2601	accept4 (aio_rfd rfh, SV *sockaddr, int salen, int flags)
		2602	PPCODE:
		2603	{
		2604	SV *retval;
		2605	#if HAVE_ACCEPT4
		2606	socklen_t salen_ = salen ? salen + 1 : 0;
		2607
		2608	if (salen)
		2609	{
		2610	sv_upgrade (sockaddr, SVt_PV);
		2611	sv_grow (sockaddr, salen_);
		2612	}
		2613
		2614	int res = accept4 (rfh, salen ? (struct sockaddr *)SvPVX (sockaddr) : 0, salen ? &salen_ : 0, flags);
		2615
		2616	retval = newmortalFH (res, O_RDWR);
		2617
		2618	if (res >= 0 && salen > 0)
		2619	{
		2620	if (salen_ > salen + 1)
		2621	salen_ = salen + 1;
		2622
		2623	SvPOK_only (sockaddr);
		2624	SvCUR_set (sockaddr, salen_);
		2625	}
		2626	#else
		2627	errno = ENOSYS;
		2628	retval = &PL_sv_undef;
		2629	#endif
		2630	XPUSHs (retval);
		2631	}
		2632
		2633	ssize_t
2176	splice (aio_rfd rfh, SV off_in, aio_wfd wfh, SV off_out, size_t length, unsigned int flags)	2634	splice (aio_rfd rfh, SV off_in, aio_wfd wfh, SV off_out, size_t length, unsigned int flags)
2177	CODE:	2635	CODE:
2178	{	2636	{
2179	#if HAVE_LINUX_SPLICE	2637	#if HAVE_LINUX_SPLICE
2180	loff_t off_in_, off_out_;	2638	loff_t off_in_, off_out_;
…		…
2188	#endif	2646	#endif
2189	}	2647	}
2190	OUTPUT:	2648	OUTPUT:
2191	RETVAL	2649	RETVAL
2192		2650
2193	int	2651	ssize_t
2194	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)	2652	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2195	CODE:	2653	CODE:
2196	#if HAVE_LINUX_SPLICE	2654	#if HAVE_LINUX_SPLICE
2197	RETVAL = tee (rfh, wfh, length, flags);	2655	RETVAL = tee (rfh, wfh, length, flags);
2198	#else	2656	#else
…		…
2241	PUSHs (newmortalFH (fd[1], O_WRONLY));	2699	PUSHs (newmortalFH (fd[1], O_WRONLY));
2242	}	2700	}
2243	}	2701	}
2244		2702
2245	void	2703	void
		2704	pidfd_open (int pid, unsigned int flags = 0)
		2705	PPCODE:
		2706	{
		2707	/GENDEF0_SYSCALL(pidfd_open,434)/
		2708	int fd = syscall (SYS_pidfd_open, pid, flags);
		2709	XPUSHs (newmortalFH (fd, O_RDWR));
		2710	}
		2711
		2712	int
		2713	pidfd_send_signal (SV pidfh, int sig, SV siginfo = &PL_sv_undef, unsigned int flags = 0)
		2714	PPCODE:
		2715	{
		2716	int res;
		2717	#if HAVE_SIGINFO_T
		2718	siginfo_t si = { 0 };
		2719
		2720	if (SvOK (siginfo))
		2721	{
		2722	HV *hv;
		2723	SV **svp;
		2724
		2725	if (!SvROK (siginfo) \|\| SvTYPE (SvRV (siginfo)) != SVt_PVHV)
		2726	croak ("siginfo argument must be a hashref with 'code', 'pid', 'uid' and 'value_int' or 'value_ptr' members, caught");
		2727
		2728	hv = (HV *)SvRV (siginfo);
		2729
		2730	if ((svp = hv_fetchs (hv, "code" , 0))) si.si_code = SvIV (*svp);
		2731	if ((svp = hv_fetchs (hv, "pid" , 0))) si.si_pid = SvIV (*svp);
		2732	if ((svp = hv_fetchs (hv, "uid" , 0))) si.si_uid = SvIV (*svp);
		2733	if ((svp = hv_fetchs (hv, "value_int", 0))) si.si_value.sival_int = SvIV (*svp);
		2734	if ((svp = hv_fetchs (hv, "value_ptr", 0))) si.si_value.sival_ptr = (void )SvIV (svp);
		2735	}
		2736
		2737	/GENDEF0_SYSCALL(pidfd_send_signal,424)/
		2738	res = syscall (SYS_pidfd_send_signal, s_fileno_croak (pidfh, 0), sig, SvOK (siginfo) ? &si : 0, flags);
		2739	#else
		2740	res = (errno = ENOSYS, -1);
		2741	#endif
		2742
		2743	XPUSHs (sv_2mortal (newSViv (res)));
		2744	}
		2745
		2746	void
		2747	pidfd_getfd (SV *pidfh, int targetfd, unsigned int flags = 0)
		2748	PPCODE:
		2749	{
		2750	/GENDEF0_SYSCALL(pidfd_getfd,438)/
		2751	int fd = syscall (SYS_pidfd_getfd, s_fileno_croak (pidfh, 0), targetfd, flags);
		2752	XPUSHs (newmortalFH (fd, O_RDWR));
		2753	}
		2754
		2755	void
2246	eventfd (unsigned int initval = 0, int flags = 0)	2756	eventfd (unsigned int initval = 0, int flags = 0)
2247	PPCODE:	2757	PPCODE:
2248	{	2758	{
2249	int fd;	2759	int fd;
2250	#if HAVE_EVENTFD	2760	#if HAVE_EVENTFD
…		…
2313	#else	2823	#else
2314	errno = ENOSYS;	2824	errno = ENOSYS;
2315	#endif	2825	#endif
2316	}	2826	}
2317		2827
		2828	void
		2829	memfd_create (SV8 *pathname, int flags = 0)
		2830	PPCODE:
		2831	{
		2832	int fd;
		2833	#if HAVE_MEMFD_CREATE
		2834	fd = memfd_create (SvPVbyte_nolen (pathname), flags);
		2835	#else
		2836	fd = (errno = ENOSYS, -1);
		2837	#endif
		2838
		2839	XPUSHs (newmortalFH (fd, O_RDWR));
		2840	}
		2841
		2842	int
		2843	fexecve (SV fh, SV args, SV *envs = &PL_sv_undef)
		2844	CODE:
		2845	{
		2846	int fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
		2847	char envp, argv;
		2848	argv = extract_stringvec (args, "IO::AIO::fexecve: args must be an array of strings");
		2849	if (!SvOK (envs))
		2850	{
		2851	extern char **environ;
		2852	envp = environ;
		2853	}
		2854	else
		2855	envp = extract_stringvec (envs, "IO::AIO::fexecve: envs must be an array of strings");
		2856	#if _POSIX_VERSION >= 200809L
		2857	RETVAL = fexecve (fd, argv, envp);
		2858	#else
		2859	RETVAL = (errno = ENOSYS, -1);
		2860	#endif
		2861	}
		2862	OUTPUT: RETVAL
		2863
2318	UV	2864	UV
2319	get_fdlimit ()	2865	get_fdlimit ()
2320	CODE:	2866	CODE:
2321	#if HAVE_RLIMITS	2867	#if HAVE_RLIMITS
2322	struct rlimit rl;	2868	struct rlimit rl;
…		…
2355	if (0 == setrlimit (RLIMIT_NOFILE, &rl))	2901	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2356	XSRETURN_YES;	2902	XSRETURN_YES;
2357		2903
2358	if (errno == EPERM)	2904	if (errno == EPERM)
2359	{	2905	{
2360	/* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */	2906	/* setrlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2361	/* our limit overflows a system-wide limit */	2907	/* our limit overflows a system-wide limit */
2362	/* try an adaptive algorithm, but do not lower the hardlimit */	2908	/* try an adaptive algorithm, but do not lower the hardlimit */
2363	rl.rlim_max = 0;	2909	rl.rlim_max = 0;
2364	for (bit = 0x40000000U; bit; bit >>= 1)	2910	for (bit = 0x40000000U; bit; bit >>= 1)
2365	{	2911	{
2366	rl.rlim_max \|= bit;	2912	rl.rlim_max \|= bit;
2367	rl.rlim_cur = rl.rlim_max;	2913	rl.rlim_cur = rl.rlim_max;
2368		2914
2369	/* nevr decrease the hard limit */	2915	/* never decrease the hard limit */
2370	if (rl.rlim_max < orig_rlim_max)	2916	if (rl.rlim_max < orig_rlim_max)
2371	break;	2917	break;
2372		2918
2373	if (0 != setrlimit (RLIMIT_NOFILE, &rl))	2919	if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2374	rl.rlim_max &= ~bit; /* too high, remove bit again */	2920	rl.rlim_max &= ~bit; /* too high, remove bit again */

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Comparing IO-AIO/AIO.xs (file contents): Revision 1.259 by root, Sun Jul 22 20:39:19 2018 UTC vs. Revision 1.295 by root, Mon Sep 5 00:03:32 2022 UTC

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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.259 by root, Sun Jul 22 20:39:19 2018 UTC vs.
Revision 1.295 by root, Mon Sep 5 00:03:32 2022 UTC