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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.251 by root, Sat Jan 6 01:04:42 2018 UTC vs.
Revision 1.286 by root, Tue Dec 29 15:25:26 2020 UTC

…		…
3	#include <errno.h>	3	#include <errno.h>
4		4
5	#include "EXTERN.h"	5	#include "EXTERN.h"
6	#include "perl.h"	6	#include "perl.h"
7	#include "XSUB.h"	7	#include "XSUB.h"
		8	#include "perliol.h"
8		9
9	#include "schmorp.h"	10	#if !defined mg_findext
		11	# define mg_findext(sv,type,vtbl) mg_find (sv, type)
		12	#endif
10		13
11	#include <stddef.h>	14	#include <stddef.h>
12	#include <stdlib.h>	15	#include <stdlib.h>
13	#include <errno.h>	16	#include <errno.h>
14	#include <sys/types.h>	17	#include <sys/types.h>
		18	#include <sys/socket.h>
15	#include <sys/stat.h>	19	#include <sys/stat.h>
16	#include <limits.h>	20	#include <limits.h>
17	#include <fcntl.h>	21	#include <fcntl.h>
18	#include <sched.h>	22	#include <sched.h>
19
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
…		…
104	#define expect_false(expr) expect ((expr) != 0, 0)	105	#define expect_false(expr) expect ((expr) != 0, 0)
105	#define expect_true(expr) expect ((expr) != 0, 1)	106	#define expect_true(expr) expect ((expr) != 0, 1)
106		107
107	/*****************************************************************************/	108	/*****************************************************************************/
108		109
109	#include "libeio/config.h"	110	#include "config.h"
		111
		112	#if HAVE_SYS_MKDEV_H
		113	# include <sys/mkdev.h>
		114	#elif HAVE_SYS_SYSMACROS_H
		115	# include <sys/sysmacros.h>
		116	#endif
		117
		118	#if _POSIX_MEMLOCK \|\| _POSIX_MEMLOCK_RANGE \|\| _POSIX_MAPPED_FILES
		119	# include <sys/mman.h>
		120	#endif
		121
		122	#if HAVE_SYS_UIO_H
		123	# include <sys/uio.h>
		124	#endif
		125
		126	#if HAVE_ST_XTIMENSEC
		127	# define ATIMENSEC PL_statcache.st_atimensec
		128	# define MTIMENSEC PL_statcache.st_mtimensec
		129	# define CTIMENSEC PL_statcache.st_ctimensec
		130	#elif HAVE_ST_XTIMESPEC
		131	# define ATIMENSEC PL_statcache.st_atim.tv_nsec
		132	# define MTIMENSEC PL_statcache.st_mtim.tv_nsec
		133	# define CTIMENSEC PL_statcache.st_ctim.tv_nsec
		134	#else
		135	# define ATIMENSEC 0
		136	# define MTIMENSEC 0
		137	# define CTIMENSEC 0
		138	#endif
		139
		140	#if HAVE_ST_BIRTHTIMENSEC
		141	# define BTIMESEC PL_statcache.st_birthtime
		142	# define BTIMENSEC PL_statcache.st_birthtimensec
		143	#elif HAVE_ST_BIRTHTIMESPEC
		144	# define BTIMESEC PL_statcache.st_birthtim.tv_sec
		145	# define BTIMENSEC PL_statcache.st_birthtim.tv_nsec
		146	#else
		147	# define BTIMESEC 0
		148	# define BTIMENSEC 0
		149	#endif
		150
		151	#if HAVE_ST_GEN
		152	# define ST_GEN PL_statcache.st_gen
		153	#else
		154	# define ST_GEN 0
		155	#endif
		156
		157	#include "schmorp.h"
		158
		159	#if HAVE_EVENTFD
		160	# include <sys/eventfd.h>
		161	#endif
		162
		163	#if HAVE_TIMERFD
		164	# include <sys/timerfd.h>
		165	#endif
110		166
111	#if HAVE_RLIMITS	167	#if HAVE_RLIMITS
112	#include <sys/time.h>	168	#include <sys/time.h>
113	#include <sys/resource.h>	169	#include <sys/resource.h>
114	#endif	170	#endif
…		…
151	# else	207	# else
152	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	208	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
153	# endif	209	# endif
154	#endif	210	#endif
155		211
156	/* defines all sorts of constants to 0 unless they are already defined */
157	/* also provides const_iv_ and const_niv_ macros for them */
158	#include "def0.h"
159
160	#ifndef makedev	212	#ifndef makedev
161	# define makedev(maj,min) (((maj) << 8) \| (min))	213	# define makedev(maj,min) (((maj) << 8) \| (min))
162	#endif	214	#endif
163	#ifndef major	215	#ifndef major
164	# define major(dev) ((dev) >> 8)	216	# define major(dev) ((dev) >> 8)
165	#endif	217	#endif
166	#ifndef minor	218	#ifndef minor
167	# define minor(dev) ((dev) & 0xff)	219	# define minor(dev) ((dev) & 0xff)
168	#endif	220	#endif
169		221
		222	/* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */
		223	#ifdef __sun
		224	# undef PAGESIZE
		225	#endif
		226
170	#if PAGESIZE <= 0	227	#if PAGESIZE <= 0
171	# define PAGESIZE sysconf (_SC_PAGESIZE)	228	# define PAGESIZE sysconf (_SC_PAGESIZE)
172	#endif	229	#endif
173		230
		231	#if HAVE_SYSCALL
		232	#include <sys/syscall.h>
		233	#else
		234	# define syscall(nr,...) (errno = ENOSYS, -1)
		235	#endif
		236
174	/*****************************************************************************/	237	/*****************************************************************************/
175		238
176	#if !_POSIX_MAPPED_FILES	239	#if !_POSIX_MAPPED_FILES
177	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()	240	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
178	# define munmap(addr,length) EIO_ENOSYS ()	241	# define munmap(addr,length) EIO_ENOSYS ()
179	#endif	242	#endif
180		243
181	#if !_POSIX_MEMORY_PROTECTION	244	#if !_POSIX_MEMORY_PROTECTION
182	# define mprotect(addr,len,prot) EIO_ENOSYS ()	245	# define mprotect(addr,len,prot) EIO_ENOSYS ()
		246	#endif
		247
		248	#if !MREMAP_MAYMOVE
		249	# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
183	#endif	250	#endif
184		251
185	#define FOREIGN_MAGIC PERL_MAGIC_ext	252	#define FOREIGN_MAGIC PERL_MAGIC_ext
186		253
187	static int ecb_cold	254	static int ecb_cold
…		…
232	};	299	};
233		300
234	/*****************************************************************************/	301	/*****************************************************************************/
235		302
236	/* helper: set scalar to foreign ptr with custom free */	303	/* helper: set scalar to foreign ptr with custom free */
		304	ecb_noinline
237	static void	305	static void
238	sv_set_foreign (SV sv, const MGVTBL const vtbl, void *addr, IV length)	306	sv_set_foreign (SV sv, const MGVTBL const vtbl, void *addr, IV length)
239	{	307	{
240	sv_force_normal (sv);	308	sv_force_normal (sv);
241		309
…		…
259	{	327	{
260	/* todo: iterate over magic and only free ours, but of course */	328	/* todo: iterate over magic and only free ours, but of course */
261	/* the perl5porters will call that (correct) behaviour buggy */	329	/* the perl5porters will call that (correct) behaviour buggy */
262	sv_unmagic (sv, FOREIGN_MAGIC);	330	sv_unmagic (sv, FOREIGN_MAGIC);
263	}	331	}
		332
		333	/*****************************************************************************/
		334
		335	/* defines all sorts of constants to 0 unless they are already defined */
		336	/* also provides const_iv_ and const_niv_ macros for them */
		337	#include "def0.h"
264		338
265	/*****************************************************************************/	339	/*****************************************************************************/
266		340
267	static void	341	static void
268	fiemap (eio_req *req)	342	fiemap (eio_req *req)
…		…
276	int count = req->int3;	350	int count = req->int3;
277		351
278	req->flags \|= EIO_FLAG_PTR1_FREE;	352	req->flags \|= EIO_FLAG_PTR1_FREE;
279		353
280	/* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */	354	/* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
281	/* increase in 3.5kb steps */	355	/* increase in fixed steps */
282	if (count < 0)	356	if (count < 0)
283	count = 8;	357	count = 8;
284		358
285	fiemap = malloc (sizeof (fiemap) + sizeof (struct fiemap_extent) count);	359	fiemap = malloc (sizeof (fiemap) + sizeof (struct fiemap_extent) count);
286	errno = ENOMEM;	360	errno = ENOMEM;
…		…
339		413
340	for (count = 0; count < incmap->fm_mapped_extents; ++count)	414	for (count = 0; count < incmap->fm_mapped_extents; ++count)
341	{	415	{
342	struct fiemap_extent *e = incmap->fm_extents + count;	416	struct fiemap_extent *e = incmap->fm_extents + count;
343		417
		418	fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
		419
344	if (e->fe_logical + e->fe_length >= end_offset)	420	if (e->fe_logical >= end_offset)
345	goto done;	421	goto done;
346
347	fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
348		422
349	if (e->fe_flags & FIEMAP_EXTENT_LAST)	423	if (e->fe_flags & FIEMAP_EXTENT_LAST)
350	goto done;	424	goto done;
351		425
352	}	426	}
…		…
359	errno = ENOSYS;	433	errno = ENOSYS;
360	#endif	434	#endif
361	}	435	}
362		436
363	/*****************************************************************************/	437	/*****************************************************************************/
		438
		439	static int close_fd; /* dummy fd to close fds via dup2 */
		440
		441	#if HAVE_STATX
		442	static struct statx stx;
		443	#define statx_offsetof(member) offsetof (struct statx, member)
		444	#define eio__statx statx
		445	#else
		446	#define statx_offsetof(member) 0
		447	#define eio__statx(dir,path,flags,mask,stx) EIO_ENOSYS()
		448	#endif
364		449
365	enum {	450	enum {
366	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	451	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
367	};	452	};
368		453
…		…
392	/* read any signals sent by the worker threads */	477	/* read any signals sent by the worker threads */
393	s_epipe_drain (&respipe);	478	s_epipe_drain (&respipe);
394	}	479	}
395		480
396	/* must be called at most once */	481	/* must be called at most once */
		482	ecb_noinline
397	static SV *	483	static SV *
398	req_sv (aio_req req, HV *stash)	484	req_sv (aio_req req, HV *stash)
399	{	485	{
400	if (!req->self)	486	if (!req->self)
401	{	487	{
…		…
410	newSVaio_wd (aio_wd wd)	496	newSVaio_wd (aio_wd wd)
411	{	497	{
412	return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);	498	return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
413	}	499	}
414		500
		501	ecb_noinline
415	static aio_req	502	static aio_req
416	SvAIO_REQ (SV *sv)	503	SvAIO_REQ (SV *sv)
417	{	504	{
418	MAGIC *mg;	505	MAGIC *mg;
419		506
…		…
482	FREETMPS;	569	FREETMPS;
483	LEAVE;	570	LEAVE;
484	}	571	}
485	}	572	}
486		573
		574	ecb_noinline
487	static void	575	static void
488	req_submit (eio_req *req)	576	req_submit (eio_req *req)
489	{	577	{
490	eio_submit (req);	578	eio_submit (req);
491		579
…		…
699	{	787	{
700	req->flags &= ~EIO_FLAG_PTR2_FREE;	788	req->flags &= ~EIO_FLAG_PTR2_FREE;
701	sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);	789	sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
702	}	790	}
703	else	791	else
		792	{
704	SvCUR_set (req->sv2, req->result);	793	SvCUR_set (req->sv2, req->result);
		794	*SvEND (req->sv2) = 0;
		795	SvPOK_only (req->sv2);
		796	}
		797
		798	SvSETMAGIC (req->sv2);
705	}	799	}
706		800
707	PUSHs (sv_result);	801	PUSHs (sv_result);
708	}	802	}
709	break;	803	break;
…		…
746	}	840	}
747	else	841	else
748	PUSHs (sv_result);	842	PUSHs (sv_result);
749	break;	843	break;
750		844
		845	#if 0
		846	case EIO_CLOSE:
		847	PerlIOUnix_refcnt_dec (req->int1);
		848	break;
		849	#endif
		850
751	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */	851	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
752	if (req->result > 0)	852	if (req->result > 0)
753	SvIV_set (sv_result, 0);	853	SvIV_set (sv_result, 0);
754	/* FALLTHROUGH */	854	/* FALLTHROUGH */
755		855
…		…
806	grp->sv2 = 0;	906	grp->sv2 = 0;
807		907
808	eio_grp_cancel (grp);	908	eio_grp_cancel (grp);
809	}	909	}
810		910
811	static void ecb_cold	911	ecb_cold
		912	static void
812	create_respipe (void)	913	create_respipe (void)
813	{	914	{
814	if (s_epipe_renew (&respipe))	915	if (s_epipe_renew (&respipe))
815	croak ("IO::AIO: unable to initialize result pipe");	916	croak ("IO::AIO: unable to initialize result pipe");
816	}	917	}
…		…
850		951
851	poll_wait ();	952	poll_wait ();
852	}	953	}
853	}	954	}
854		955
855	static void ecb_cold	956	ecb_cold
		957	static void
856	reinit (void)	958	reinit (void)
857	{	959	{
858	create_respipe ();	960	create_respipe ();
859		961
860	if (eio_init (want_poll, done_poll) < 0)	962	if (eio_init (want_poll, done_poll) < 0)
…		…
868	{	970	{
869	SvGETMAGIC (cb_sv);	971	SvGETMAGIC (cb_sv);
870	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	972	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
871	}	973	}
872		974
		975	ecb_noinline
873	static aio_req ecb_noinline	976	static aio_req ecb_noinline
874	dreq (SV *callback)	977	dreq (SV *callback)
875	{	978	{
876	SV *cb_cv;	979	SV *cb_cv;
877	aio_req req;	980	aio_req req;
…		…
899	SPAGAIN; \	1002	SPAGAIN; \
900	\	1003	\
901	if (GIMME_V != G_VOID) \	1004	if (GIMME_V != G_VOID) \
902	XPUSHs (req_sv (req, aio_req_stash));	1005	XPUSHs (req_sv (req, aio_req_stash));
903		1006
		1007	/* wdsv, pathsv, wd and ptr must be 0-initialized */
904	ecb_inline void	1008	ecb_inline
		1009	void
905	req_set_path (aio_req req, SV path, SV wdsv, SV pathsv, eio_wd wd, void **ptr)	1010	req_set_path (SV path, SV wdsv, SV pathsv, eio_wd wd, void **ptr)
906	{	1011	{
907	if (expect_false (SvROK (path)))	1012	if (expect_false (SvROK (path)))
908	{	1013	{
909	SV *rv = SvRV (path);	1014	SV *rv = SvRV (path);
910	SV *wdob;	1015	SV *wdob;
…		…
935		1040
936	*pathsv = newSVsv (path);	1041	*pathsv = newSVsv (path);
937	ptr = SvPVbyte_nolen (pathsv);	1042	ptr = SvPVbyte_nolen (pathsv);
938	}	1043	}
939		1044
940	static void ecb_noinline	1045	ecb_noinline
		1046	static void
941	req_set_path1 (aio_req req, SV *path)	1047	req_set_path1 (aio_req req, SV *path)
942	{	1048	{
943	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);	1049	req_set_path (path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
944	}	1050	}
945		1051
946	static void ecb_noinline	1052	ecb_noinline
		1053	static void
947	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)	1054	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
948	{	1055	{
949	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;	1056	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
950		1057
951	switch (SvTYPE (rv))	1058	switch (SvTYPE (rv))
…		…
963	req_set_path1 (req, fh_or_path);	1070	req_set_path1 (req, fh_or_path);
964	break;	1071	break;
965	}	1072	}
966	}	1073	}
967		1074
		1075	/*****************************************************************************/
		1076
		1077	static void
		1078	ts_set (struct timespec *ts, NV value)
		1079	{
		1080	ts->tv_sec = value;
		1081	ts->tv_nsec = (value - ts->tv_sec) * 1e9;
		1082	}
		1083
		1084	static NV
		1085	ts_get (const struct timespec *ts)
		1086	{
		1087	return ts->tv_sec + ts->tv_nsec * 1e-9;
		1088	}
		1089
		1090	/*****************************************************************************/
		1091
968	XS(boot_IO__AIO) ecb_cold;	1092	XS(boot_IO__AIO) ecb_cold;
969		1093
970	MODULE = IO::AIO PACKAGE = IO::AIO	1094	MODULE = IO::AIO PACKAGE = IO::AIO
971		1095
972	PROTOTYPES: ENABLE	1096	PROTOTYPES: ENABLE
…		…
1003	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)	1127	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1004	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)	1128	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1005	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)	1129	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1006		1130
1007	/* the second block will be 0 when missing */	1131	/* the second block will be 0 when missing */
		1132	const_iv (O_ACCMODE)
		1133
1008	const_iv (O_RDONLY)	1134	const_iv (O_RDONLY)
1009	const_iv (O_WRONLY)	1135	const_iv (O_WRONLY)
1010	const_iv (O_RDWR)	1136	const_iv (O_RDWR)
1011	const_iv (O_CREAT)	1137	const_iv (O_CREAT)
1012	const_iv (O_TRUNC)	1138	const_iv (O_TRUNC)
…		…
1072	const_iv (MAP_GROWSDOWN)	1198	const_iv (MAP_GROWSDOWN)
1073	const_iv (MAP_32BIT)	1199	const_iv (MAP_32BIT)
1074	const_iv (MAP_HUGETLB)	1200	const_iv (MAP_HUGETLB)
1075	const_iv (MAP_STACK)	1201	const_iv (MAP_STACK)
1076		1202
		1203	const_iv (MREMAP_MAYMOVE)
		1204	const_iv (MREMAP_FIXED)
		1205
		1206	const_iv (MSG_CMSG_CLOEXEC)
		1207	const_iv (SOCK_CLOEXEC)
		1208
1077	const_iv (F_DUPFD_CLOEXEC)	1209	const_iv (F_DUPFD_CLOEXEC)
		1210
		1211	const_iv (F_ADD_SEALS)
		1212	const_iv (F_GET_SEALS)
		1213	const_iv (F_SEAL_SEAL)
		1214	const_iv (F_SEAL_SHRINK)
		1215	const_iv (F_SEAL_GROW)
		1216	const_iv (F_SEAL_WRITE)
1078		1217
1079	const_iv (F_OFD_GETLK)	1218	const_iv (F_OFD_GETLK)
1080	const_iv (F_OFD_SETLK)	1219	const_iv (F_OFD_SETLK)
1081	const_iv (F_OFD_GETLKW)	1220	const_iv (F_OFD_GETLKW)
1082		1221
…		…
1155	const_iv (SPLICE_F_MOVE)	1294	const_iv (SPLICE_F_MOVE)
1156	const_iv (SPLICE_F_NONBLOCK)	1295	const_iv (SPLICE_F_NONBLOCK)
1157	const_iv (SPLICE_F_MORE)	1296	const_iv (SPLICE_F_MORE)
1158	const_iv (SPLICE_F_GIFT)	1297	const_iv (SPLICE_F_GIFT)
1159		1298
		1299	const_iv (EFD_CLOEXEC)
		1300	const_iv (EFD_NONBLOCK)
		1301	const_iv (EFD_SEMAPHORE)
		1302
		1303	const_iv (MFD_CLOEXEC)
		1304	const_iv (MFD_ALLOW_SEALING)
		1305	const_iv (MFD_HUGETLB)
		1306
		1307	const_iv (CLOCK_REALTIME)
		1308	const_iv (CLOCK_MONOTONIC)
		1309	const_iv (CLOCK_BOOTTIME)
		1310	const_iv (CLOCK_REALTIME_ALARM)
		1311	const_iv (CLOCK_BOOTTIME_ALARM)
		1312
		1313	const_iv (TFD_NONBLOCK)
		1314	const_iv (TFD_CLOEXEC)
		1315
		1316	const_iv (TFD_TIMER_ABSTIME)
		1317	const_iv (TFD_TIMER_CANCEL_ON_SET)
		1318
		1319	const_iv (STATX_TYPE)
		1320	const_iv (STATX_MODE)
		1321	const_iv (STATX_NLINK)
		1322	const_iv (STATX_UID)
		1323	const_iv (STATX_GID)
		1324	const_iv (STATX_ATIME)
		1325	const_iv (STATX_MTIME)
		1326	const_iv (STATX_CTIME)
		1327	const_iv (STATX_INO)
		1328	const_iv (STATX_SIZE)
		1329	const_iv (STATX_BLOCKS)
		1330	const_iv (STATX_BASIC_STATS)
		1331	const_iv (STATX_ALL)
		1332	const_iv (STATX_BTIME)
		1333	const_iv (STATX_ATTR_COMPRESSED)
		1334	const_iv (STATX_ATTR_IMMUTABLE)
		1335	const_iv (STATX_ATTR_APPEND)
		1336	const_iv (STATX_ATTR_NODUMP)
		1337	const_iv (STATX_ATTR_ENCRYPTED)
		1338	const_iv (STATX_ATTR_AUTOMOUNT)
		1339
		1340	const_iv (AT_FDCWD)
		1341	const_iv (AT_SYMLINK_NOFOLLOW)
		1342	const_iv (AT_EACCESS)
		1343	const_iv (AT_REMOVEDIR)
		1344	const_iv (AT_SYMLINK_FOLLOW)
		1345	const_iv (AT_NO_AUTOMOUNT)
		1346	const_iv (AT_EMPTY_PATH)
		1347	const_iv (AT_STATX_SYNC_TYPE)
		1348	const_iv (AT_STATX_AS_STAT)
		1349	const_iv (AT_STATX_FORCE_SYNC)
		1350	const_iv (AT_STATX_DONT_SYNC)
		1351	const_iv (AT_RECURSIVE)
		1352
		1353	const_iv (OPEN_TREE_CLONE)
		1354
		1355	const_iv (FSOPEN_CLOEXEC)
		1356
		1357	const_iv (FSPICK_CLOEXEC)
		1358	const_iv (FSPICK_SYMLINK_NOFOLLOW)
		1359	const_iv (FSPICK_NO_AUTOMOUNT)
		1360	const_iv (FSPICK_EMPTY_PATH)
		1361
		1362	const_iv (MOVE_MOUNT_F_SYMLINKS)
		1363	const_iv (MOVE_MOUNT_F_AUTOMOUNTS)
		1364	const_iv (MOVE_MOUNT_F_EMPTY_PATH)
		1365	const_iv (MOVE_MOUNT_T_SYMLINKS)
		1366	const_iv (MOVE_MOUNT_T_AUTOMOUNTS)
		1367	const_iv (MOVE_MOUNT_T_EMPTY_PATH)
		1368
1160	/* these are libeio constants, and are independent of gendef0 */	1369	/* these are libeio constants, and are independent of gendef0 */
1161	const_eio (SEEK_SET)	1370	const_eio (SEEK_SET)
1162	const_eio (SEEK_CUR)	1371	const_eio (SEEK_CUR)
1163	const_eio (SEEK_END)	1372	const_eio (SEEK_END)
1164		1373
1165	const_eio (MCL_FUTURE)	1374	const_eio (MCL_FUTURE)
1166	const_eio (MCL_CURRENT)	1375	const_eio (MCL_CURRENT)
		1376	const_eio (MCL_ONFAULT)
1167		1377
1168	const_eio (MS_ASYNC)	1378	const_eio (MS_ASYNC)
1169	const_eio (MS_INVALIDATE)	1379	const_eio (MS_INVALIDATE)
1170	const_eio (MS_SYNC)	1380	const_eio (MS_SYNC)
1171		1381
…		…
1210	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)	1420	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
1211	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));	1421	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
1212		1422
1213	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1423	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
1214		1424
		1425	/* allocate dummy pipe fd for aio_close */
		1426	{
		1427	int pipefd [2];
		1428
		1429	if (
		1430	#ifdef _WIN32
		1431	_pipe (pipefd, 1, _O_BINARY) < 0
		1432	#else
		1433	pipe (pipefd) < 0
		1434	\|\| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1435	#endif
		1436	\|\| close (pipefd [1]) < 0
		1437	)
		1438	croak ("IO::AIO: unable to create dummy pipe for aio_close");
		1439
		1440	close_fd = pipefd [0];
		1441	}
		1442
1215	reinit ();	1443	reinit ();
1216	}	1444	}
1217		1445
1218	void	1446	void
1219	reinit ()	1447	reinit ()
…		…
1341		1569
1342	void	1570	void
1343	aio_close (SV fh, SV callback = &PL_sv_undef)	1571	aio_close (SV fh, SV callback = &PL_sv_undef)
1344	PPCODE:	1572	PPCODE:
1345	{	1573	{
1346	static int close_fd = -1; /* dummy fd to close fds via dup2 */
1347	int fd = s_fileno_croak (fh, 0);	1574	int fd = s_fileno_croak (fh, 0);
1348	dREQ;	1575	dREQ;
		1576	#if 0
		1577	/* partially duplicate logic in s_fileno */
		1578	SvGETMAGIC (fh);
1349		1579
1350	if (expect_false (close_fd < 0))	1580	if (SvROK (fh))
		1581	{
		1582	fh = SvRV (fh);
		1583	SvGETMAGIC (fh);
		1584	}
		1585
		1586	if (SvTYPE (fh) == SVt_PVGV)
1351	{	1587	{
1352	int pipefd [2];	1588	/* perl filehandle */
		1589	PerlIOUnix_refcnt_inc (fd);
		1590	do_close ((GV *)fh, 1);
1353		1591
1354	if (	1592	req->type = EIO_CLOSE;
1355	#ifdef _WIN32	1593	req->int1 = fd;
1356	_pipe (pipefd, 1, _O_BINARY) < 0	1594	/req->sv2 = newSVsv (fh);/ /* since we stole the fd, no need to keep the fh */
1357	#else
1358	pipe (pipefd) < 0
1359	\|\| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1360	#endif
1361	\|\| close (pipefd [1]) < 0
1362	)
1363	abort (); /D/
1364
1365	close_fd = pipefd [0];
1366	}	1595	}
1367		1596	else
		1597	#endif
		1598	{
		1599	/* fd number */
1368	req->type = EIO_DUP2;	1600	req->type = EIO_DUP2;
1369	req->int1 = close_fd;	1601	req->int1 = close_fd;
1370	req->sv2 = newSVsv (fh);	1602	req->sv2 = newSVsv (fh);
1371	req->int2 = fd;	1603	req->int2 = fd;
		1604	}
1372		1605
1373	REQ_SEND;	1606	REQ_SEND;
1374	}	1607	}
1375		1608
1376	void	1609	void
…		…
1415	}	1648	}
1416	else	1649	else
1417	{	1650	{
1418	/* read: check type and grow scalar as necessary */	1651	/* read: check type and grow scalar as necessary */
1419	if (!SvPOK (data) \|\| SvLEN (data) >= SvCUR (data))	1652	if (!SvPOK (data) \|\| SvLEN (data) >= SvCUR (data))
1420	svptr = sv_grow (data, len + dataoffset);	1653	svptr = sv_grow (data, len + dataoffset + 1);
1421	else if (SvCUR (data) < len + dataoffset)	1654	else if (SvCUR (data) < len + dataoffset)
1422	croak ("length + dataoffset outside of scalar, and cannot grow");	1655	croak ("length + dataoffset outside of scalar, and cannot grow");
1423	}	1656	}
1424		1657
1425	{	1658	{
…		…
1547	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);	1780	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1548		1781
1549	REQ_SEND;	1782	REQ_SEND;
1550	}	1783	}
1551		1784
		1785	void
		1786	st_xtime ()
		1787	ALIAS:
		1788	st_atime = 0x01
		1789	st_mtime = 0x02
		1790	st_ctime = 0x04
		1791	st_btime = 0x08
		1792	st_xtime = 0x0f
		1793	PPCODE:
		1794	EXTEND (SP, 4);
		1795	if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
		1796	if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
		1797	if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
		1798	if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
		1799
		1800	void
		1801	st_xtimensec ()
		1802	ALIAS:
		1803	st_atimensec = 0x01
		1804	st_mtimensec = 0x02
		1805	st_ctimensec = 0x04
		1806	st_btimensec = 0x08
		1807	st_xtimensec = 0x0f
		1808	st_btimesec = 0x10
		1809	st_gen = 0x20
		1810	PPCODE:
		1811	EXTEND (SP, 4);
		1812	if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
		1813	if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
		1814	if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
		1815	if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
		1816	if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
		1817	if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
		1818
1552	UV	1819	UV
1553	major (UV dev)	1820	major (UV dev)
1554	ALIAS:	1821	ALIAS:
1555	minor = 1	1822	minor = 1
1556	CODE:	1823	CODE:
…		…
1672	eio_wd wd2 = 0;	1939	eio_wd wd2 = 0;
1673	dREQ;	1940	dREQ;
1674		1941
1675	req->type = ix;	1942	req->type = ix;
1676	req_set_path1 (req, oldpath);	1943	req_set_path1 (req, oldpath);
1677	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);	1944	req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1678	req->int3 = (long)wd2;	1945	req->int3 = (long)wd2;
1679		1946
1680	REQ_SEND;	1947	REQ_SEND;
1681	}	1948	}
1682		1949
…		…
1687	eio_wd wd2 = 0;	1954	eio_wd wd2 = 0;
1688	dREQ;	1955	dREQ;
1689		1956
1690	req->type = EIO_RENAME;	1957	req->type = EIO_RENAME;
1691	req_set_path1 (req, oldpath);	1958	req_set_path1 (req, oldpath);
1692	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);	1959	req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1693	req->int2 = flags;	1960	req->int2 = flags;
1694	req->int3 = (long)wd2;	1961	req->int3 = (long)wd2;
1695		1962
1696	REQ_SEND;	1963	REQ_SEND;
1697	}	1964	}
…		…
1819	sv_clear_foreign (data);	2086	sv_clear_foreign (data);
1820		2087
1821	if (length) /* known length, directly read into scalar */	2088	if (length) /* known length, directly read into scalar */
1822	{	2089	{
1823	if (!SvPOK (data) \|\| SvLEN (data) >= SvCUR (data))	2090	if (!SvPOK (data) \|\| SvLEN (data) >= SvCUR (data))
1824	svptr = sv_grow (data, length);	2091	svptr = sv_grow (data, length + 1);
1825	else if (SvCUR (data) < length)	2092	else if (SvCUR (data) < length)
1826	croak ("length outside of scalar, and cannot grow");	2093	croak ("length outside of scalar, and cannot grow");
1827	else	2094	else
1828	svptr = SvPVbyte_nolen (data);	2095	svptr = SvPVbyte_nolen (data);
1829	}	2096	}
…		…
2010	void	2277	void
2011	munmap (SV *scalar)	2278	munmap (SV *scalar)
2012	CODE:	2279	CODE:
2013	sv_clear_foreign (scalar);	2280	sv_clear_foreign (scalar);
2014		2281
		2282	SV *
		2283	mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
		2284	CODE:
		2285	{
		2286	MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
		2287	void *new;
		2288
		2289	if (!mg \|\| SvPVX (scalar) != mg->mg_ptr)
		2290	croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
		2291
		2292	new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
		2293
		2294	RETVAL = &PL_sv_no;
		2295
		2296	if (new != (void *)-1)
		2297	{
		2298	RETVAL = new == (void *)mg->mg_ptr
		2299	? newSVpvn ("0 but true", 10)
		2300	: &PL_sv_yes;
		2301
		2302	mg->mg_ptr = (char *)new;
		2303	mg->mg_obj = (SV *)new_length;
		2304
		2305	SvPVX (scalar) = mg->mg_ptr;
		2306	SvCUR_set (scalar, new_length);
		2307	}
		2308	}
		2309	OUTPUT:
		2310	RETVAL
		2311
2015	int	2312	int
2016	madvise (SV scalar, STRLEN offset = 0, SV length = &PL_sv_undef, IV advice_or_prot)	2313	madvise (SV scalar, IV offset = 0, SV length = &PL_sv_undef, IV advice_or_prot)
2017	ALIAS:	2314	ALIAS:
2018	mprotect = 1	2315	mprotect = 1
2019	CODE:	2316	CODE:
2020	{	2317	{
2021	STRLEN svlen;	2318	STRLEN svlen;
…		…
2042	}	2339	}
2043	OUTPUT:	2340	OUTPUT:
2044	RETVAL	2341	RETVAL
2045		2342
2046	int	2343	int
2047	munlock (SV scalar, STRLEN offset = 0, SV length = &PL_sv_undef)	2344	munlock (SV scalar, IV offset = 0, SV length = &PL_sv_undef)
2048	CODE:	2345	CODE:
2049	{	2346	{
2050	STRLEN svlen;	2347	STRLEN svlen;
2051	void *addr = SvPVbyte (scalar, svlen);	2348	void *addr = SvPVbyte (scalar, svlen);
2052	size_t len = SvUV (length);	2349	size_t len = SvUV (length);
…		…
2067	#else	2364	#else
2068	RETVAL = EIO_ENOSYS ();	2365	RETVAL = EIO_ENOSYS ();
2069	#endif	2366	#endif
2070	}	2367	}
2071	OUTPUT:	2368	OUTPUT:
		2369	RETVAL
		2370
		2371	int
		2372	mlockall (int flags)
		2373	PROTOTYPE: $;
		2374	CODE:
		2375	RETVAL = eio_mlockall_sync (flags);
		2376	OUTPUT:
2072	RETVAL	2377	RETVAL
2073		2378
2074	int	2379	int
2075	munlockall ()	2380	munlockall ()
2076	CODE:	2381	CODE:
…		…
2081	#endif	2386	#endif
2082	OUTPUT:	2387	OUTPUT:
2083	RETVAL	2388	RETVAL
2084		2389
2085	int	2390	int
		2391	statx (SV8 *pathname, int flags, UV mask)
		2392	CODE:
		2393	{
		2394	/* undocumented, and might go away, and anyway, should use eio_statx */
		2395	SV *wdsv = 0;
		2396	SV *pathsv = 0;
		2397	eio_wd wd = EIO_CWD;
		2398	void *ptr;
		2399	int res;
		2400
		2401	req_set_path (pathname, &wdsv, &pathsv, &wd, &ptr);
		2402	RETVAL = eio__statx (!wd \|\| wd->fd == EIO_CWD ? AT_FDCWD : wd->fd, ptr, flags, mask & STATX_ALL, &stx);
		2403
		2404	SvREFCNT_dec (pathsv);
		2405	SvREFCNT_dec (wdsv);
		2406	}
		2407	OUTPUT:
		2408	RETVAL
		2409
		2410	U32
		2411	stx_mode ()
		2412	PROTOTYPE:
		2413	CODE:
		2414	#if HAVE_STATX
		2415	RETVAL = stx.stx_mode;
		2416	#else
		2417	XSRETURN_UNDEF;
		2418	#endif
		2419	OUTPUT:
		2420	RETVAL
		2421
		2422	#define STATX_OFFSET_mask statx_offsetof (stx_mask)
		2423	#define STATX_OFFSET_blksize statx_offsetof (stx_blksize)
		2424	#define STATX_OFFSET_nlink statx_offsetof (stx_nlink)
		2425	#define STATX_OFFSET_uid statx_offsetof (stx_uid)
		2426	#define STATX_OFFSET_gid statx_offsetof (stx_gid)
		2427	#define STATX_OFFSET_rdev_major statx_offsetof (stx_rdev_major)
		2428	#define STATX_OFFSET_rdev_minor statx_offsetof (stx_rdev_minor)
		2429	#define STATX_OFFSET_dev_major statx_offsetof (stx_dev_major)
		2430	#define STATX_OFFSET_dev_minor statx_offsetof (stx_dev_minor)
		2431	#define STATX_OFFSET_attributes statx_offsetof (stx_attributes)
		2432	#define STATX_OFFSET_ino statx_offsetof (stx_ino)
		2433	#define STATX_OFFSET_size statx_offsetof (stx_size)
		2434	#define STATX_OFFSET_blocks statx_offsetof (stx_blocks)
		2435	#define STATX_OFFSET_attributes_mask statx_offsetof (stx_attributes_mask)
		2436	#define STATX_OFFSET_atime statx_offsetof (stx_atime)
		2437	#define STATX_OFFSET_btime statx_offsetof (stx_btime)
		2438	#define STATX_OFFSET_ctime statx_offsetof (stx_ctime)
		2439	#define STATX_OFFSET_mtime statx_offsetof (stx_mtime)
		2440
		2441	U32
		2442	stx_mask ()
		2443	PROTOTYPE:
		2444	ALIAS:
		2445	stx_mask = STATX_OFFSET_mask
		2446	stx_blksize = STATX_OFFSET_blksize
		2447	stx_nlink = STATX_OFFSET_nlink
		2448	stx_uid = STATX_OFFSET_uid
		2449	stx_gid = STATX_OFFSET_gid
		2450	stx_rdev_major = STATX_OFFSET_rdev_major
		2451	stx_rdev_minor = STATX_OFFSET_rdev_minor
		2452	stx_dev_major = STATX_OFFSET_dev_major
		2453	stx_dev_minor = STATX_OFFSET_dev_minor
		2454	CODE:
		2455	#if HAVE_STATX
		2456	RETVAL = (__u32 )((char *)&stx + ix);
		2457	#else
		2458	XSRETURN_UNDEF;
		2459	#endif
		2460	OUTPUT:
		2461	RETVAL
		2462
		2463	VAL64
		2464	stx_attributes ()
		2465	PROTOTYPE:
		2466	ALIAS:
		2467	stx_attributes = STATX_OFFSET_attributes
		2468	stx_ino = STATX_OFFSET_ino
		2469	stx_size = STATX_OFFSET_size
		2470	stx_blocks = STATX_OFFSET_blocks
		2471	stx_attributes_mask = STATX_OFFSET_attributes_mask
		2472	CODE:
		2473	#if HAVE_STATX
		2474	RETVAL = (__u64 )((char *)&stx + ix);
		2475	#else
		2476	XSRETURN_UNDEF;
		2477	#endif
		2478	OUTPUT:
		2479	RETVAL
		2480
		2481	NV
		2482	stx_atime ()
		2483	PROTOTYPE:
		2484	ALIAS:
		2485	stx_atime = STATX_OFFSET_atime
		2486	stx_btime = STATX_OFFSET_btime
		2487	stx_ctime = STATX_OFFSET_ctime
		2488	stx_mtime = STATX_OFFSET_mtime
		2489	CODE:
		2490	#if HAVE_STATX
		2491	struct statx_timestamp ts = (struct statx_timestamp )((char *)&stx + ix);
		2492	RETVAL = ts->tv_sec + ts->tv_nsec * 1e-9;
		2493	#else
		2494	XSRETURN_UNDEF;
		2495	#endif
		2496	OUTPUT:
		2497	RETVAL
		2498
		2499	VAL64
		2500	stx_atimesec ()
		2501	PROTOTYPE:
		2502	ALIAS:
		2503	stx_atimesec = STATX_OFFSET_atime
		2504	stx_btimesec = STATX_OFFSET_btime
		2505	stx_ctimesec = STATX_OFFSET_ctime
		2506	stx_mtimesec = STATX_OFFSET_mtime
		2507	CODE:
		2508	#if HAVE_STATX
		2509	struct statx_timestamp ts = (struct statx_timestamp )((char *)&stx + ix);
		2510	RETVAL = ts->tv_sec;
		2511	#else
		2512	XSRETURN_UNDEF;
		2513	#endif
		2514	OUTPUT:
		2515	RETVAL
		2516
		2517	U32
		2518	stx_atimensec ()
		2519	PROTOTYPE:
		2520	ALIAS:
		2521	stx_atimensec = STATX_OFFSET_atime
		2522	stx_btimensec = STATX_OFFSET_btime
		2523	stx_ctimensec = STATX_OFFSET_ctime
		2524	stx_mtimensec = STATX_OFFSET_mtime
		2525	CODE:
		2526	#if HAVE_STATX
		2527	struct statx_timestamp ts = (struct statx_timestamp )((char *)&stx + ix);
		2528	RETVAL = ts->tv_nsec;
		2529	#else
		2530	RETVAL = 0;
		2531	#endif
		2532	OUTPUT:
		2533	RETVAL
		2534
		2535	void
		2536	accept4 (aio_rfd rfh, SV *sockaddr, int salen, int flags)
		2537	PPCODE:
		2538	{
		2539	SV *retval;
		2540	#if HAVE_ACCEPT4
		2541	socklen_t salen_ = salen ? salen + 1 : 0;
		2542
		2543	if (salen)
		2544	{
		2545	sv_upgrade (sockaddr, SVt_PV);
		2546	sv_grow (sockaddr, salen_);
		2547	}
		2548
		2549	int res = accept4 (rfh, salen ? (struct sockaddr *)SvPVX (sockaddr) : 0, salen ? &salen_ : 0, flags);
		2550
		2551	retval = newmortalFH (res, O_RDWR);
		2552
		2553	if (res >= 0 && salen > 0)
		2554	{
		2555	if (salen_ > salen + 1)
		2556	salen_ = salen + 1;
		2557
		2558	SvPOK_only (sockaddr);
		2559	SvCUR_set (sockaddr, salen_);
		2560	}
		2561	#else
		2562	errno = ENOSYS;
		2563	retval = &PL_sv_undef;
		2564	#endif
		2565	XPUSHs (retval);
		2566	}
		2567
		2568	ssize_t
2086	splice (aio_rfd rfh, SV off_in, aio_wfd wfh, SV off_out, size_t length, unsigned int flags)	2569	splice (aio_rfd rfh, SV off_in, aio_wfd wfh, SV off_out, size_t length, unsigned int flags)
2087	CODE:	2570	CODE:
2088	{	2571	{
2089	#if HAVE_LINUX_SPLICE	2572	#if HAVE_LINUX_SPLICE
2090	loff_t off_in_, off_out_;	2573	loff_t off_in_, off_out_;
…		…
2098	#endif	2581	#endif
2099	}	2582	}
2100	OUTPUT:	2583	OUTPUT:
2101	RETVAL	2584	RETVAL
2102		2585
2103	int	2586	ssize_t
2104	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)	2587	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2105	CODE:	2588	CODE:
2106	#if HAVE_LINUX_SPLICE	2589	#if HAVE_LINUX_SPLICE
2107	RETVAL = tee (rfh, wfh, length, flags);	2590	RETVAL = tee (rfh, wfh, length, flags);
2108	#else	2591	#else
…		…
2150	PUSHs (newmortalFH (fd[0], O_RDONLY));	2633	PUSHs (newmortalFH (fd[0], O_RDONLY));
2151	PUSHs (newmortalFH (fd[1], O_WRONLY));	2634	PUSHs (newmortalFH (fd[1], O_WRONLY));
2152	}	2635	}
2153	}	2636	}
2154		2637
		2638	void
		2639	pidfd_open (int pid, unsigned int flags = 0)
		2640	PPCODE:
		2641	{
		2642	/GENDEF0_SYSCALL(pidfd_open,434)/
		2643	int fd = syscall (SYS_pidfd_open, pid, flags);
		2644	XPUSHs (newmortalFH (fd, O_RDWR));
		2645	}
		2646
		2647	int
		2648	pidfd_send_signal (SV pidfh, int sig, SV siginfo = &PL_sv_undef, unsigned int flags = 0)
		2649	PPCODE:
		2650	{
		2651	int res;
		2652	siginfo_t si = { 0 };
		2653
		2654	if (SvOK (siginfo))
		2655	{
		2656	HV *hv;
		2657	SV **svp;
		2658
		2659	if (!SvROK (siginfo) \|\| SvTYPE (SvRV (siginfo)) != SVt_PVHV)
		2660	croak ("siginfo argument must be a hashref code, pid, uid and value_int or value_ptr members, caught");
		2661
		2662	hv = (HV *)SvRV (siginfo);
		2663
		2664	if ((svp = hv_fetchs (hv, "code" , 0))) si.si_code = SvIV (*svp);
		2665	if ((svp = hv_fetchs (hv, "pid" , 0))) si.si_pid = SvIV (*svp);
		2666	if ((svp = hv_fetchs (hv, "uid" , 0))) si.si_uid = SvIV (*svp);
		2667	if ((svp = hv_fetchs (hv, "value_int", 0))) si.si_value.sival_int = SvIV (*svp);
		2668	if ((svp = hv_fetchs (hv, "value_ptr", 0))) si.si_value.sival_ptr = (void )SvIV (svp);
		2669	}
		2670
		2671	/GENDEF0_SYSCALL(pidfd_send_signal,424)/
		2672	res = syscall (SYS_pidfd_send_signal, s_fileno_croak (pidfh, 0), sig, SvOK (siginfo) ? &si : 0, flags);
		2673
		2674	XPUSHs (sv_2mortal (newSViv (res)));
		2675	}
		2676
		2677	void
		2678	pidfd_getfd (SV *pidfh, int targetfd, unsigned int flags = 0)
		2679	PPCODE:
		2680	{
		2681	/GENDEF0_SYSCALL(pidfd_getfd,438)/
		2682	int fd = syscall (SYS_pidfd_getfd, s_fileno_croak (pidfh, 0), targetfd, flags);
		2683	XPUSHs (newmortalFH (fd, O_RDWR));
		2684	}
		2685
		2686	void
		2687	eventfd (unsigned int initval = 0, int flags = 0)
		2688	PPCODE:
		2689	{
		2690	int fd;
		2691	#if HAVE_EVENTFD
		2692	fd = eventfd (initval, flags);
		2693	#else
		2694	fd = (errno = ENOSYS, -1);
		2695	#endif
		2696
		2697	XPUSHs (newmortalFH (fd, O_RDWR));
		2698	}
		2699
		2700	void
		2701	timerfd_create (int clockid, int flags = 0)
		2702	PPCODE:
		2703	{
		2704	int fd;
		2705	#if HAVE_TIMERFD
		2706	fd = timerfd_create (clockid, flags);
		2707	#else
		2708	fd = (errno = ENOSYS, -1);
		2709	#endif
		2710
		2711	XPUSHs (newmortalFH (fd, O_RDWR));
		2712	}
		2713
		2714	void
		2715	timerfd_settime (SV *fh, int flags, NV interval, NV value)
		2716	PPCODE:
		2717	{
		2718	int fd = s_fileno_croak (fh, 0);
		2719	#if HAVE_TIMERFD
		2720	int res;
		2721	struct itimerspec its, ots;
		2722
		2723	ts_set (&its.it_interval, interval);
		2724	ts_set (&its.it_value , value);
		2725	res = timerfd_settime (fd, flags, &its, &ots);
		2726
		2727	if (!res)
		2728	{
		2729	EXTEND (SP, 2);
		2730	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2731	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2732	}
		2733	#else
		2734	errno = ENOSYS;
		2735	#endif
		2736	}
		2737
		2738	void
		2739	timerfd_gettime (SV *fh)
		2740	PPCODE:
		2741	{
		2742	int fd = s_fileno_croak (fh, 0);
		2743	#if HAVE_TIMERFD
		2744	int res;
		2745	struct itimerspec ots;
		2746	res = timerfd_gettime (fd, &ots);
		2747
		2748	if (!res)
		2749	{
		2750	EXTEND (SP, 2);
		2751	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2752	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2753	}
		2754	#else
		2755	errno = ENOSYS;
		2756	#endif
		2757	}
		2758
		2759	void
		2760	memfd_create (SV8 *pathname, int flags = 0)
		2761	PPCODE:
		2762	{
		2763	int fd;
		2764	#if HAVE_MEMFD_CREATE
		2765	fd = memfd_create (SvPVbyte_nolen (pathname), flags);
		2766	#else
		2767	fd = (errno = ENOSYS, -1);
		2768	#endif
		2769
		2770	XPUSHs (newmortalFH (fd, O_RDWR));
		2771	}
		2772
2155	UV	2773	UV
2156	get_fdlimit ()	2774	get_fdlimit ()
2157	CODE:	2775	CODE:
2158	#if HAVE_RLIMITS	2776	#if HAVE_RLIMITS
2159	struct rlimit rl;	2777	struct rlimit rl;
…		…
2192	if (0 == setrlimit (RLIMIT_NOFILE, &rl))	2810	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2193	XSRETURN_YES;	2811	XSRETURN_YES;
2194		2812
2195	if (errno == EPERM)	2813	if (errno == EPERM)
2196	{	2814	{
2197	/* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */	2815	/* setrlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2198	/* our limit overflows a system-wide limit */	2816	/* our limit overflows a system-wide limit */
2199	/* try an adaptive algorithm, but do not lower the hardlimit */	2817	/* try an adaptive algorithm, but do not lower the hardlimit */
2200	rl.rlim_max = 0;	2818	rl.rlim_max = 0;
2201	for (bit = 0x40000000U; bit; bit >>= 1)	2819	for (bit = 0x40000000U; bit; bit >>= 1)
2202	{	2820	{
2203	rl.rlim_max \|= bit;	2821	rl.rlim_max \|= bit;
2204	rl.rlim_cur = rl.rlim_max;	2822	rl.rlim_cur = rl.rlim_max;
2205		2823
2206	/* nevr decrease the hard limit */	2824	/* never decrease the hard limit */
2207	if (rl.rlim_max < orig_rlim_max)	2825	if (rl.rlim_max < orig_rlim_max)
2208	break;	2826	break;
2209		2827
2210	if (0 != setrlimit (RLIMIT_NOFILE, &rl))	2828	if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2211	rl.rlim_max &= ~bit; /* too high, remove bit again */	2829	rl.rlim_max &= ~bit; /* too high, remove bit again */

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Comparing IO-AIO/AIO.xs (file contents): Revision 1.251 by root, Sat Jan 6 01:04:42 2018 UTC vs. Revision 1.286 by root, Tue Dec 29 15:25:26 2020 UTC

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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.251 by root, Sat Jan 6 01:04:42 2018 UTC vs.
Revision 1.286 by root, Tue Dec 29 15:25:26 2020 UTC