[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 1.288 by root, Tue Dec 29 18:00:40 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
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
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	213	#ifndef makedev
161	# define makedev(maj,min) (((maj) << 8) \| (min))	214	# define makedev(maj,min) (((maj) << 8) \| (min))
162	#endif	215	#endif
163	#ifndef major	216	#ifndef major
164	# define major(dev) ((dev) >> 8)	217	# define major(dev) ((dev) >> 8)
165	#endif	218	#endif
166	#ifndef minor	219	#ifndef minor
167	# define minor(dev) ((dev) & 0xff)	220	# define minor(dev) ((dev) & 0xff)
168	#endif	221	#endif
169		222
		223	/* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */
		224	#ifdef __sun
		225	# undef PAGESIZE
		226	#endif
		227
170	#if PAGESIZE <= 0	228	#if PAGESIZE <= 0
171	# define PAGESIZE sysconf (_SC_PAGESIZE)	229	# define PAGESIZE sysconf (_SC_PAGESIZE)
172	#endif	230	#endif
173		231
		232	#if HAVE_SYSCALL
		233	#include <sys/syscall.h>
		234	#else
		235	# define syscall(nr,...) (errno = ENOSYS, -1)
		236	#endif
		237
174	/*****************************************************************************/	238	/*****************************************************************************/
175		239
176	#if !_POSIX_MAPPED_FILES	240	#if !_POSIX_MAPPED_FILES
177	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()	241	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
178	# define munmap(addr,length) EIO_ENOSYS ()	242	# define munmap(addr,length) EIO_ENOSYS ()
179	#endif	243	#endif
180		244
181	#if !_POSIX_MEMORY_PROTECTION	245	#if !_POSIX_MEMORY_PROTECTION
182	# define mprotect(addr,len,prot) EIO_ENOSYS ()	246	# define mprotect(addr,len,prot) EIO_ENOSYS ()
		247	#endif
		248
		249	#if !MREMAP_MAYMOVE
		250	# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
183	#endif	251	#endif
184		252
185	#define FOREIGN_MAGIC PERL_MAGIC_ext	253	#define FOREIGN_MAGIC PERL_MAGIC_ext
186		254
187	static int ecb_cold	255	static int ecb_cold
…		…
232	};	300	};
233		301
234	/*****************************************************************************/	302	/*****************************************************************************/
235		303
236	/* helper: set scalar to foreign ptr with custom free */	304	/* helper: set scalar to foreign ptr with custom free */
		305	ecb_noinline
237	static void	306	static void
238	sv_set_foreign (SV sv, const MGVTBL const vtbl, void *addr, IV length)	307	sv_set_foreign (SV sv, const MGVTBL const vtbl, void *addr, IV length)
239	{	308	{
240	sv_force_normal (sv);	309	sv_force_normal (sv);
241		310
…		…
259	{	328	{
260	/* todo: iterate over magic and only free ours, but of course */	329	/* todo: iterate over magic and only free ours, but of course */
261	/* the perl5porters will call that (correct) behaviour buggy */	330	/* the perl5porters will call that (correct) behaviour buggy */
262	sv_unmagic (sv, FOREIGN_MAGIC);	331	sv_unmagic (sv, FOREIGN_MAGIC);
263	}	332	}
		333
		334	/*****************************************************************************/
		335
		336	/* defines all sorts of constants to 0 unless they are already defined */
		337	/* also provides const_iv_ and const_niv_ macros for them */
		338	#include "def0.h"
264		339
265	/*****************************************************************************/	340	/*****************************************************************************/
266		341
267	static void	342	static void
268	fiemap (eio_req *req)	343	fiemap (eio_req *req)
…		…
276	int count = req->int3;	351	int count = req->int3;
277		352
278	req->flags \|= EIO_FLAG_PTR1_FREE;	353	req->flags \|= EIO_FLAG_PTR1_FREE;
279		354
280	/* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */	355	/* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
281	/* increase in 3.5kb steps */	356	/* increase in fixed steps */
282	if (count < 0)	357	if (count < 0)
283	count = 8;	358	count = 8;
284		359
285	fiemap = malloc (sizeof (fiemap) + sizeof (struct fiemap_extent) count);	360	fiemap = malloc (sizeof (fiemap) + sizeof (struct fiemap_extent) count);
286	errno = ENOMEM;	361	errno = ENOMEM;
…		…
339		414
340	for (count = 0; count < incmap->fm_mapped_extents; ++count)	415	for (count = 0; count < incmap->fm_mapped_extents; ++count)
341	{	416	{
342	struct fiemap_extent *e = incmap->fm_extents + count;	417	struct fiemap_extent *e = incmap->fm_extents + count;
343		418
		419	fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
		420
344	if (e->fe_logical + e->fe_length >= end_offset)	421	if (e->fe_logical >= end_offset)
345	goto done;	422	goto done;
346
347	fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
348		423
349	if (e->fe_flags & FIEMAP_EXTENT_LAST)	424	if (e->fe_flags & FIEMAP_EXTENT_LAST)
350	goto done;	425	goto done;
351		426
352	}	427	}
…		…
359	errno = ENOSYS;	434	errno = ENOSYS;
360	#endif	435	#endif
361	}	436	}
362		437
363	/*****************************************************************************/	438	/*****************************************************************************/
		439
		440	static int close_fd; /* dummy fd to close fds via dup2 */
		441
		442	#if HAVE_STATX
		443	static struct statx stx;
		444	#define statx_offsetof(member) offsetof (struct statx, member)
		445	#define eio__statx statx
		446	#else
		447	#define statx_offsetof(member) 0
		448	#define eio__statx(dir,path,flags,mask,stx) EIO_ENOSYS()
		449	#endif
364		450
365	enum {	451	enum {
366	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	452	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
367	};	453	};
368		454
…		…
392	/* read any signals sent by the worker threads */	478	/* read any signals sent by the worker threads */
393	s_epipe_drain (&respipe);	479	s_epipe_drain (&respipe);
394	}	480	}
395		481
396	/* must be called at most once */	482	/* must be called at most once */
		483	ecb_noinline
397	static SV *	484	static SV *
398	req_sv (aio_req req, HV *stash)	485	req_sv (aio_req req, HV *stash)
399	{	486	{
400	if (!req->self)	487	if (!req->self)
401	{	488	{
…		…
410	newSVaio_wd (aio_wd wd)	497	newSVaio_wd (aio_wd wd)
411	{	498	{
412	return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);	499	return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
413	}	500	}
414		501
		502	ecb_noinline
415	static aio_req	503	static aio_req
416	SvAIO_REQ (SV *sv)	504	SvAIO_REQ (SV *sv)
417	{	505	{
418	MAGIC *mg;	506	MAGIC *mg;
419		507
…		…
482	FREETMPS;	570	FREETMPS;
483	LEAVE;	571	LEAVE;
484	}	572	}
485	}	573	}
486		574
		575	ecb_noinline
487	static void	576	static void
488	req_submit (eio_req *req)	577	req_submit (eio_req *req)
489	{	578	{
490	eio_submit (req);	579	eio_submit (req);
491		580
…		…
699	{	788	{
700	req->flags &= ~EIO_FLAG_PTR2_FREE;	789	req->flags &= ~EIO_FLAG_PTR2_FREE;
701	sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);	790	sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
702	}	791	}
703	else	792	else
		793	{
704	SvCUR_set (req->sv2, req->result);	794	SvCUR_set (req->sv2, req->result);
		795	*SvEND (req->sv2) = 0;
		796	SvPOK_only (req->sv2);
		797	}
		798
		799	SvSETMAGIC (req->sv2);
705	}	800	}
706		801
707	PUSHs (sv_result);	802	PUSHs (sv_result);
708	}	803	}
709	break;	804	break;
…		…
746	}	841	}
747	else	842	else
748	PUSHs (sv_result);	843	PUSHs (sv_result);
749	break;	844	break;
750		845
		846	#if 0
		847	case EIO_CLOSE:
		848	PerlIOUnix_refcnt_dec (req->int1);
		849	break;
		850	#endif
		851
751	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */	852	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
752	if (req->result > 0)	853	if (req->result > 0)
753	SvIV_set (sv_result, 0);	854	SvIV_set (sv_result, 0);
754	/* FALLTHROUGH */	855	/* FALLTHROUGH */
755		856
…		…
806	grp->sv2 = 0;	907	grp->sv2 = 0;
807		908
808	eio_grp_cancel (grp);	909	eio_grp_cancel (grp);
809	}	910	}
810		911
811	static void ecb_cold	912	ecb_cold
		913	static void
812	create_respipe (void)	914	create_respipe (void)
813	{	915	{
814	if (s_epipe_renew (&respipe))	916	if (s_epipe_renew (&respipe))
815	croak ("IO::AIO: unable to initialize result pipe");	917	croak ("IO::AIO: unable to initialize result pipe");
816	}	918	}
…		…
850		952
851	poll_wait ();	953	poll_wait ();
852	}	954	}
853	}	955	}
854		956
855	static void ecb_cold	957	ecb_cold
		958	static void
856	reinit (void)	959	reinit (void)
857	{	960	{
858	create_respipe ();	961	create_respipe ();
859		962
860	if (eio_init (want_poll, done_poll) < 0)	963	if (eio_init (want_poll, done_poll) < 0)
…		…
868	{	971	{
869	SvGETMAGIC (cb_sv);	972	SvGETMAGIC (cb_sv);
870	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	973	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
871	}	974	}
872		975
		976	ecb_noinline
873	static aio_req ecb_noinline	977	static aio_req ecb_noinline
874	dreq (SV *callback)	978	dreq (SV *callback)
875	{	979	{
876	SV *cb_cv;	980	SV *cb_cv;
877	aio_req req;	981	aio_req req;
…		…
899	SPAGAIN; \	1003	SPAGAIN; \
900	\	1004	\
901	if (GIMME_V != G_VOID) \	1005	if (GIMME_V != G_VOID) \
902	XPUSHs (req_sv (req, aio_req_stash));	1006	XPUSHs (req_sv (req, aio_req_stash));
903		1007
		1008	/* wdsv, pathsv, wd and ptr must be 0-initialized */
904	ecb_inline void	1009	ecb_inline
		1010	void
905	req_set_path (aio_req req, SV path, SV wdsv, SV pathsv, eio_wd wd, void **ptr)	1011	req_set_path (SV path, SV wdsv, SV pathsv, eio_wd wd, void **ptr)
906	{	1012	{
907	if (expect_false (SvROK (path)))	1013	if (expect_false (SvROK (path)))
908	{	1014	{
909	SV *rv = SvRV (path);	1015	SV *rv = SvRV (path);
910	SV *wdob;	1016	SV *wdob;
…		…
935		1041
936	*pathsv = newSVsv (path);	1042	*pathsv = newSVsv (path);
937	ptr = SvPVbyte_nolen (pathsv);	1043	ptr = SvPVbyte_nolen (pathsv);
938	}	1044	}
939		1045
940	static void ecb_noinline	1046	ecb_noinline
		1047	static void
941	req_set_path1 (aio_req req, SV *path)	1048	req_set_path1 (aio_req req, SV *path)
942	{	1049	{
943	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);	1050	req_set_path (path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
944	}	1051	}
945		1052
946	static void ecb_noinline	1053	ecb_noinline
		1054	static void
947	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)	1055	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
948	{	1056	{
949	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;	1057	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
950		1058
951	switch (SvTYPE (rv))	1059	switch (SvTYPE (rv))
…		…
963	req_set_path1 (req, fh_or_path);	1071	req_set_path1 (req, fh_or_path);
964	break;	1072	break;
965	}	1073	}
966	}	1074	}
967		1075
		1076	/*****************************************************************************/
		1077
		1078	static void
		1079	ts_set (struct timespec *ts, NV value)
		1080	{
		1081	ts->tv_sec = value;
		1082	ts->tv_nsec = (value - ts->tv_sec) * 1e9;
		1083	}
		1084
		1085	static NV
		1086	ts_get (const struct timespec *ts)
		1087	{
		1088	return ts->tv_sec + ts->tv_nsec * 1e-9;
		1089	}
		1090
		1091	/*****************************************************************************/
		1092
968	XS(boot_IO__AIO) ecb_cold;	1093	XS(boot_IO__AIO) ecb_cold;
969		1094
970	MODULE = IO::AIO PACKAGE = IO::AIO	1095	MODULE = IO::AIO PACKAGE = IO::AIO
971		1096
972	PROTOTYPES: ENABLE	1097	PROTOTYPES: ENABLE
…		…
1003	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)	1128	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1004	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)	1129	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1005	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)	1130	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1006		1131
1007	/* the second block will be 0 when missing */	1132	/* the second block will be 0 when missing */
		1133	const_iv (O_ACCMODE)
		1134
1008	const_iv (O_RDONLY)	1135	const_iv (O_RDONLY)
1009	const_iv (O_WRONLY)	1136	const_iv (O_WRONLY)
1010	const_iv (O_RDWR)	1137	const_iv (O_RDWR)
1011	const_iv (O_CREAT)	1138	const_iv (O_CREAT)
1012	const_iv (O_TRUNC)	1139	const_iv (O_TRUNC)
…		…
1072	const_iv (MAP_GROWSDOWN)	1199	const_iv (MAP_GROWSDOWN)
1073	const_iv (MAP_32BIT)	1200	const_iv (MAP_32BIT)
1074	const_iv (MAP_HUGETLB)	1201	const_iv (MAP_HUGETLB)
1075	const_iv (MAP_STACK)	1202	const_iv (MAP_STACK)
1076		1203
		1204	const_iv (MREMAP_MAYMOVE)
		1205	const_iv (MREMAP_FIXED)
		1206
		1207	const_iv (MSG_CMSG_CLOEXEC)
		1208	const_iv (SOCK_CLOEXEC)
		1209
1077	const_iv (F_DUPFD_CLOEXEC)	1210	const_iv (F_DUPFD_CLOEXEC)
		1211
		1212	const_iv (F_ADD_SEALS)
		1213	const_iv (F_GET_SEALS)
		1214	const_iv (F_SEAL_SEAL)
		1215	const_iv (F_SEAL_SHRINK)
		1216	const_iv (F_SEAL_GROW)
		1217	const_iv (F_SEAL_WRITE)
1078		1218
1079	const_iv (F_OFD_GETLK)	1219	const_iv (F_OFD_GETLK)
1080	const_iv (F_OFD_SETLK)	1220	const_iv (F_OFD_SETLK)
1081	const_iv (F_OFD_GETLKW)	1221	const_iv (F_OFD_GETLKW)
1082		1222
…		…
1155	const_iv (SPLICE_F_MOVE)	1295	const_iv (SPLICE_F_MOVE)
1156	const_iv (SPLICE_F_NONBLOCK)	1296	const_iv (SPLICE_F_NONBLOCK)
1157	const_iv (SPLICE_F_MORE)	1297	const_iv (SPLICE_F_MORE)
1158	const_iv (SPLICE_F_GIFT)	1298	const_iv (SPLICE_F_GIFT)
1159		1299
		1300	const_iv (EFD_CLOEXEC)
		1301	const_iv (EFD_NONBLOCK)
		1302	const_iv (EFD_SEMAPHORE)
		1303
		1304	const_iv (MFD_CLOEXEC)
		1305	const_iv (MFD_ALLOW_SEALING)
		1306	const_iv (MFD_HUGETLB)
		1307
		1308	const_iv (CLOCK_REALTIME)
		1309	const_iv (CLOCK_MONOTONIC)
		1310	const_iv (CLOCK_BOOTTIME)
		1311	const_iv (CLOCK_REALTIME_ALARM)
		1312	const_iv (CLOCK_BOOTTIME_ALARM)
		1313
		1314	const_iv (TFD_NONBLOCK)
		1315	const_iv (TFD_CLOEXEC)
		1316
		1317	const_iv (TFD_TIMER_ABSTIME)
		1318	const_iv (TFD_TIMER_CANCEL_ON_SET)
		1319
		1320	const_iv (STATX_TYPE)
		1321	const_iv (STATX_MODE)
		1322	const_iv (STATX_NLINK)
		1323	const_iv (STATX_UID)
		1324	const_iv (STATX_GID)
		1325	const_iv (STATX_ATIME)
		1326	const_iv (STATX_MTIME)
		1327	const_iv (STATX_CTIME)
		1328	const_iv (STATX_INO)
		1329	const_iv (STATX_SIZE)
		1330	const_iv (STATX_BLOCKS)
		1331	const_iv (STATX_BASIC_STATS)
		1332	const_iv (STATX_ALL)
		1333	const_iv (STATX_BTIME)
		1334	const_iv (STATX_ATTR_COMPRESSED)
		1335	const_iv (STATX_ATTR_IMMUTABLE)
		1336	const_iv (STATX_ATTR_APPEND)
		1337	const_iv (STATX_ATTR_NODUMP)
		1338	const_iv (STATX_ATTR_ENCRYPTED)
		1339	const_iv (STATX_ATTR_AUTOMOUNT)
		1340
		1341	const_iv (AT_FDCWD)
		1342	const_iv (AT_SYMLINK_NOFOLLOW)
		1343	const_iv (AT_EACCESS)
		1344	const_iv (AT_REMOVEDIR)
		1345	const_iv (AT_SYMLINK_FOLLOW)
		1346	const_iv (AT_NO_AUTOMOUNT)
		1347	const_iv (AT_EMPTY_PATH)
		1348	const_iv (AT_STATX_SYNC_TYPE)
		1349	const_iv (AT_STATX_AS_STAT)
		1350	const_iv (AT_STATX_FORCE_SYNC)
		1351	const_iv (AT_STATX_DONT_SYNC)
		1352	const_iv (AT_RECURSIVE)
		1353
		1354	const_iv (OPEN_TREE_CLONE)
		1355
		1356	const_iv (FSOPEN_CLOEXEC)
		1357
		1358	const_iv (FSPICK_CLOEXEC)
		1359	const_iv (FSPICK_SYMLINK_NOFOLLOW)
		1360	const_iv (FSPICK_NO_AUTOMOUNT)
		1361	const_iv (FSPICK_EMPTY_PATH)
		1362
		1363	const_iv (MOVE_MOUNT_F_SYMLINKS)
		1364	const_iv (MOVE_MOUNT_F_AUTOMOUNTS)
		1365	const_iv (MOVE_MOUNT_F_EMPTY_PATH)
		1366	const_iv (MOVE_MOUNT_T_SYMLINKS)
		1367	const_iv (MOVE_MOUNT_T_AUTOMOUNTS)
		1368	const_iv (MOVE_MOUNT_T_EMPTY_PATH)
		1369
		1370	/* waitid */
		1371	const_iv (P_PID)
		1372	const_iv (P_PIDFD)
		1373	const_iv (P_PGID)
		1374	const_iv (P_ALL)
		1375
		1376	const_iv (FSCONFIG_SET_FLAG)
		1377	const_iv (FSCONFIG_SET_STRING)
		1378	const_iv (FSCONFIG_SET_BINARY)
		1379	const_iv (FSCONFIG_SET_PATH)
		1380	const_iv (FSCONFIG_SET_PATH_EMPTY)
		1381	const_iv (FSCONFIG_SET_FD)
		1382	const_iv (FSCONFIG_CMD_CREATE)
		1383	const_iv (FSCONFIG_CMD_RECONFIGURE)
		1384
		1385	const_iv (MOUNT_ATTR_RDONLY)
		1386	const_iv (MOUNT_ATTR_NOSUID)
		1387	const_iv (MOUNT_ATTR_NODEV)
		1388	const_iv (MOUNT_ATTR_NOEXEC)
		1389	const_iv (MOUNT_ATTR__ATIME)
		1390	const_iv (MOUNT_ATTR_RELATIME)
		1391	const_iv (MOUNT_ATTR_NOATIME)
		1392	const_iv (MOUNT_ATTR_STRICTATIME)
		1393	const_iv (MOUNT_ATTR_NODIRATIME)
		1394
1160	/* these are libeio constants, and are independent of gendef0 */	1395	/* these are libeio constants, and are independent of gendef0 */
1161	const_eio (SEEK_SET)	1396	const_eio (SEEK_SET)
1162	const_eio (SEEK_CUR)	1397	const_eio (SEEK_CUR)
1163	const_eio (SEEK_END)	1398	const_eio (SEEK_END)
1164		1399
1165	const_eio (MCL_FUTURE)	1400	const_eio (MCL_FUTURE)
1166	const_eio (MCL_CURRENT)	1401	const_eio (MCL_CURRENT)
		1402	const_eio (MCL_ONFAULT)
1167		1403
1168	const_eio (MS_ASYNC)	1404	const_eio (MS_ASYNC)
1169	const_eio (MS_INVALIDATE)	1405	const_eio (MS_INVALIDATE)
1170	const_eio (MS_SYNC)	1406	const_eio (MS_SYNC)
1171		1407
…		…
1210	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)	1446	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));	1447	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
1212		1448
1213	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1449	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
1214		1450
		1451	/* allocate dummy pipe fd for aio_close */
		1452	{
		1453	int pipefd [2];
		1454
		1455	if (
		1456	#ifdef _WIN32
		1457	_pipe (pipefd, 1, _O_BINARY) < 0
		1458	#else
		1459	pipe (pipefd) < 0
		1460	\|\| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1461	#endif
		1462	\|\| close (pipefd [1]) < 0
		1463	)
		1464	croak ("IO::AIO: unable to create dummy pipe for aio_close");
		1465
		1466	close_fd = pipefd [0];
		1467	}
		1468
1215	reinit ();	1469	reinit ();
1216	}	1470	}
1217		1471
1218	void	1472	void
1219	reinit ()	1473	reinit ()
…		…
1341		1595
1342	void	1596	void
1343	aio_close (SV fh, SV callback = &PL_sv_undef)	1597	aio_close (SV fh, SV callback = &PL_sv_undef)
1344	PPCODE:	1598	PPCODE:
1345	{	1599	{
1346	static int close_fd = -1; /* dummy fd to close fds via dup2 */
1347	int fd = s_fileno_croak (fh, 0);	1600	int fd = s_fileno_croak (fh, 0);
1348	dREQ;	1601	dREQ;
		1602	#if 0
		1603	/* partially duplicate logic in s_fileno */
		1604	SvGETMAGIC (fh);
1349		1605
1350	if (expect_false (close_fd < 0))	1606	if (SvROK (fh))
		1607	{
		1608	fh = SvRV (fh);
		1609	SvGETMAGIC (fh);
		1610	}
		1611
		1612	if (SvTYPE (fh) == SVt_PVGV)
1351	{	1613	{
1352	int pipefd [2];	1614	/* perl filehandle */
		1615	PerlIOUnix_refcnt_inc (fd);
		1616	do_close ((GV *)fh, 1);
1353		1617
1354	if (	1618	req->type = EIO_CLOSE;
1355	#ifdef _WIN32	1619	req->int1 = fd;
1356	_pipe (pipefd, 1, _O_BINARY) < 0	1620	/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	}	1621	}
1367		1622	else
		1623	#endif
		1624	{
		1625	/* fd number */
1368	req->type = EIO_DUP2;	1626	req->type = EIO_DUP2;
1369	req->int1 = close_fd;	1627	req->int1 = close_fd;
1370	req->sv2 = newSVsv (fh);	1628	req->sv2 = newSVsv (fh);
1371	req->int2 = fd;	1629	req->int2 = fd;
		1630	}
1372		1631
1373	REQ_SEND;	1632	REQ_SEND;
1374	}	1633	}
1375		1634
1376	void	1635	void
…		…
1415	}	1674	}
1416	else	1675	else
1417	{	1676	{
1418	/* read: check type and grow scalar as necessary */	1677	/* read: check type and grow scalar as necessary */
1419	if (!SvPOK (data) \|\| SvLEN (data) >= SvCUR (data))	1678	if (!SvPOK (data) \|\| SvLEN (data) >= SvCUR (data))
1420	svptr = sv_grow (data, len + dataoffset);	1679	svptr = sv_grow (data, len + dataoffset + 1);
1421	else if (SvCUR (data) < len + dataoffset)	1680	else if (SvCUR (data) < len + dataoffset)
1422	croak ("length + dataoffset outside of scalar, and cannot grow");	1681	croak ("length + dataoffset outside of scalar, and cannot grow");
1423	}	1682	}
1424		1683
1425	{	1684	{
…		…
1547	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);	1806	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1548		1807
1549	REQ_SEND;	1808	REQ_SEND;
1550	}	1809	}
1551		1810
		1811	void
		1812	st_xtime ()
		1813	ALIAS:
		1814	st_atime = 0x01
		1815	st_mtime = 0x02
		1816	st_ctime = 0x04
		1817	st_btime = 0x08
		1818	st_xtime = 0x0f
		1819	PPCODE:
		1820	EXTEND (SP, 4);
		1821	if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
		1822	if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
		1823	if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
		1824	if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
		1825
		1826	void
		1827	st_xtimensec ()
		1828	ALIAS:
		1829	st_atimensec = 0x01
		1830	st_mtimensec = 0x02
		1831	st_ctimensec = 0x04
		1832	st_btimensec = 0x08
		1833	st_xtimensec = 0x0f
		1834	st_btimesec = 0x10
		1835	st_gen = 0x20
		1836	PPCODE:
		1837	EXTEND (SP, 4);
		1838	if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
		1839	if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
		1840	if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
		1841	if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
		1842	if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
		1843	if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
		1844
1552	UV	1845	UV
1553	major (UV dev)	1846	major (UV dev)
1554	ALIAS:	1847	ALIAS:
1555	minor = 1	1848	minor = 1
1556	CODE:	1849	CODE:
…		…
1672	eio_wd wd2 = 0;	1965	eio_wd wd2 = 0;
1673	dREQ;	1966	dREQ;
1674		1967
1675	req->type = ix;	1968	req->type = ix;
1676	req_set_path1 (req, oldpath);	1969	req_set_path1 (req, oldpath);
1677	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);	1970	req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1678	req->int3 = (long)wd2;	1971	req->int3 = (long)wd2;
1679		1972
1680	REQ_SEND;	1973	REQ_SEND;
1681	}	1974	}
1682		1975
…		…
1687	eio_wd wd2 = 0;	1980	eio_wd wd2 = 0;
1688	dREQ;	1981	dREQ;
1689		1982
1690	req->type = EIO_RENAME;	1983	req->type = EIO_RENAME;
1691	req_set_path1 (req, oldpath);	1984	req_set_path1 (req, oldpath);
1692	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);	1985	req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1693	req->int2 = flags;	1986	req->int2 = flags;
1694	req->int3 = (long)wd2;	1987	req->int3 = (long)wd2;
1695		1988
1696	REQ_SEND;	1989	REQ_SEND;
1697	}	1990	}
…		…
1819	sv_clear_foreign (data);	2112	sv_clear_foreign (data);
1820		2113
1821	if (length) /* known length, directly read into scalar */	2114	if (length) /* known length, directly read into scalar */
1822	{	2115	{
1823	if (!SvPOK (data) \|\| SvLEN (data) >= SvCUR (data))	2116	if (!SvPOK (data) \|\| SvLEN (data) >= SvCUR (data))
1824	svptr = sv_grow (data, length);	2117	svptr = sv_grow (data, length + 1);
1825	else if (SvCUR (data) < length)	2118	else if (SvCUR (data) < length)
1826	croak ("length outside of scalar, and cannot grow");	2119	croak ("length outside of scalar, and cannot grow");
1827	else	2120	else
1828	svptr = SvPVbyte_nolen (data);	2121	svptr = SvPVbyte_nolen (data);
1829	}	2122	}
…		…
2010	void	2303	void
2011	munmap (SV *scalar)	2304	munmap (SV *scalar)
2012	CODE:	2305	CODE:
2013	sv_clear_foreign (scalar);	2306	sv_clear_foreign (scalar);
2014		2307
		2308	SV *
		2309	mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
		2310	CODE:
		2311	{
		2312	MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
		2313	void *new;
		2314
		2315	if (!mg \|\| SvPVX (scalar) != mg->mg_ptr)
		2316	croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
		2317
		2318	new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
		2319
		2320	RETVAL = &PL_sv_no;
		2321
		2322	if (new != (void *)-1)
		2323	{
		2324	RETVAL = new == (void *)mg->mg_ptr
		2325	? newSVpvn ("0 but true", 10)
		2326	: &PL_sv_yes;
		2327
		2328	mg->mg_ptr = (char *)new;
		2329	mg->mg_obj = (SV *)new_length;
		2330
		2331	SvPVX (scalar) = mg->mg_ptr;
		2332	SvCUR_set (scalar, new_length);
		2333	}
		2334	}
		2335	OUTPUT:
		2336	RETVAL
		2337
2015	int	2338	int
2016	madvise (SV scalar, STRLEN offset = 0, SV length = &PL_sv_undef, IV advice_or_prot)	2339	madvise (SV scalar, IV offset = 0, SV length = &PL_sv_undef, IV advice_or_prot)
2017	ALIAS:	2340	ALIAS:
2018	mprotect = 1	2341	mprotect = 1
2019	CODE:	2342	CODE:
2020	{	2343	{
2021	STRLEN svlen;	2344	STRLEN svlen;
…		…
2042	}	2365	}
2043	OUTPUT:	2366	OUTPUT:
2044	RETVAL	2367	RETVAL
2045		2368
2046	int	2369	int
2047	munlock (SV scalar, STRLEN offset = 0, SV length = &PL_sv_undef)	2370	munlock (SV scalar, IV offset = 0, SV length = &PL_sv_undef)
2048	CODE:	2371	CODE:
2049	{	2372	{
2050	STRLEN svlen;	2373	STRLEN svlen;
2051	void *addr = SvPVbyte (scalar, svlen);	2374	void *addr = SvPVbyte (scalar, svlen);
2052	size_t len = SvUV (length);	2375	size_t len = SvUV (length);
…		…
2067	#else	2390	#else
2068	RETVAL = EIO_ENOSYS ();	2391	RETVAL = EIO_ENOSYS ();
2069	#endif	2392	#endif
2070	}	2393	}
2071	OUTPUT:	2394	OUTPUT:
		2395	RETVAL
		2396
		2397	int
		2398	mlockall (int flags)
		2399	PROTOTYPE: $;
		2400	CODE:
		2401	RETVAL = eio_mlockall_sync (flags);
		2402	OUTPUT:
2072	RETVAL	2403	RETVAL
2073		2404
2074	int	2405	int
2075	munlockall ()	2406	munlockall ()
2076	CODE:	2407	CODE:
…		…
2081	#endif	2412	#endif
2082	OUTPUT:	2413	OUTPUT:
2083	RETVAL	2414	RETVAL
2084		2415
2085	int	2416	int
		2417	statx (SV8 *pathname, int flags, UV mask)
		2418	CODE:
		2419	{
		2420	/* undocumented, and might go away, and anyway, should use eio_statx */
		2421	SV *wdsv = 0;
		2422	SV *pathsv = 0;
		2423	eio_wd wd = EIO_CWD;
		2424	void *ptr;
		2425	int res;
		2426
		2427	req_set_path (pathname, &wdsv, &pathsv, &wd, &ptr);
		2428	RETVAL = eio__statx (!wd \|\| wd->fd == EIO_CWD ? AT_FDCWD : wd->fd, ptr, flags, mask & STATX_ALL, &stx);
		2429
		2430	SvREFCNT_dec (pathsv);
		2431	SvREFCNT_dec (wdsv);
		2432	}
		2433	OUTPUT:
		2434	RETVAL
		2435
		2436	U32
		2437	stx_mode ()
		2438	PROTOTYPE:
		2439	CODE:
		2440	#if HAVE_STATX
		2441	RETVAL = stx.stx_mode;
		2442	#else
		2443	XSRETURN_UNDEF;
		2444	#endif
		2445	OUTPUT:
		2446	RETVAL
		2447
		2448	#define STATX_OFFSET_mask statx_offsetof (stx_mask)
		2449	#define STATX_OFFSET_blksize statx_offsetof (stx_blksize)
		2450	#define STATX_OFFSET_nlink statx_offsetof (stx_nlink)
		2451	#define STATX_OFFSET_uid statx_offsetof (stx_uid)
		2452	#define STATX_OFFSET_gid statx_offsetof (stx_gid)
		2453	#define STATX_OFFSET_rdev_major statx_offsetof (stx_rdev_major)
		2454	#define STATX_OFFSET_rdev_minor statx_offsetof (stx_rdev_minor)
		2455	#define STATX_OFFSET_dev_major statx_offsetof (stx_dev_major)
		2456	#define STATX_OFFSET_dev_minor statx_offsetof (stx_dev_minor)
		2457	#define STATX_OFFSET_attributes statx_offsetof (stx_attributes)
		2458	#define STATX_OFFSET_ino statx_offsetof (stx_ino)
		2459	#define STATX_OFFSET_size statx_offsetof (stx_size)
		2460	#define STATX_OFFSET_blocks statx_offsetof (stx_blocks)
		2461	#define STATX_OFFSET_attributes_mask statx_offsetof (stx_attributes_mask)
		2462	#define STATX_OFFSET_atime statx_offsetof (stx_atime)
		2463	#define STATX_OFFSET_btime statx_offsetof (stx_btime)
		2464	#define STATX_OFFSET_ctime statx_offsetof (stx_ctime)
		2465	#define STATX_OFFSET_mtime statx_offsetof (stx_mtime)
		2466
		2467	U32
		2468	stx_mask ()
		2469	PROTOTYPE:
		2470	ALIAS:
		2471	stx_mask = STATX_OFFSET_mask
		2472	stx_blksize = STATX_OFFSET_blksize
		2473	stx_nlink = STATX_OFFSET_nlink
		2474	stx_uid = STATX_OFFSET_uid
		2475	stx_gid = STATX_OFFSET_gid
		2476	stx_rdev_major = STATX_OFFSET_rdev_major
		2477	stx_rdev_minor = STATX_OFFSET_rdev_minor
		2478	stx_dev_major = STATX_OFFSET_dev_major
		2479	stx_dev_minor = STATX_OFFSET_dev_minor
		2480	CODE:
		2481	#if HAVE_STATX
		2482	RETVAL = (__u32 )((char *)&stx + ix);
		2483	#else
		2484	XSRETURN_UNDEF;
		2485	#endif
		2486	OUTPUT:
		2487	RETVAL
		2488
		2489	VAL64
		2490	stx_attributes ()
		2491	PROTOTYPE:
		2492	ALIAS:
		2493	stx_attributes = STATX_OFFSET_attributes
		2494	stx_ino = STATX_OFFSET_ino
		2495	stx_size = STATX_OFFSET_size
		2496	stx_blocks = STATX_OFFSET_blocks
		2497	stx_attributes_mask = STATX_OFFSET_attributes_mask
		2498	CODE:
		2499	#if HAVE_STATX
		2500	RETVAL = (__u64 )((char *)&stx + ix);
		2501	#else
		2502	XSRETURN_UNDEF;
		2503	#endif
		2504	OUTPUT:
		2505	RETVAL
		2506
		2507	NV
		2508	stx_atime ()
		2509	PROTOTYPE:
		2510	ALIAS:
		2511	stx_atime = STATX_OFFSET_atime
		2512	stx_btime = STATX_OFFSET_btime
		2513	stx_ctime = STATX_OFFSET_ctime
		2514	stx_mtime = STATX_OFFSET_mtime
		2515	CODE:
		2516	#if HAVE_STATX
		2517	struct statx_timestamp ts = (struct statx_timestamp )((char *)&stx + ix);
		2518	RETVAL = ts->tv_sec + ts->tv_nsec * 1e-9;
		2519	#else
		2520	XSRETURN_UNDEF;
		2521	#endif
		2522	OUTPUT:
		2523	RETVAL
		2524
		2525	VAL64
		2526	stx_atimesec ()
		2527	PROTOTYPE:
		2528	ALIAS:
		2529	stx_atimesec = STATX_OFFSET_atime
		2530	stx_btimesec = STATX_OFFSET_btime
		2531	stx_ctimesec = STATX_OFFSET_ctime
		2532	stx_mtimesec = STATX_OFFSET_mtime
		2533	CODE:
		2534	#if HAVE_STATX
		2535	struct statx_timestamp ts = (struct statx_timestamp )((char *)&stx + ix);
		2536	RETVAL = ts->tv_sec;
		2537	#else
		2538	XSRETURN_UNDEF;
		2539	#endif
		2540	OUTPUT:
		2541	RETVAL
		2542
		2543	U32
		2544	stx_atimensec ()
		2545	PROTOTYPE:
		2546	ALIAS:
		2547	stx_atimensec = STATX_OFFSET_atime
		2548	stx_btimensec = STATX_OFFSET_btime
		2549	stx_ctimensec = STATX_OFFSET_ctime
		2550	stx_mtimensec = STATX_OFFSET_mtime
		2551	CODE:
		2552	#if HAVE_STATX
		2553	struct statx_timestamp ts = (struct statx_timestamp )((char *)&stx + ix);
		2554	RETVAL = ts->tv_nsec;
		2555	#else
		2556	RETVAL = 0;
		2557	#endif
		2558	OUTPUT:
		2559	RETVAL
		2560
		2561	void
		2562	accept4 (aio_rfd rfh, SV *sockaddr, int salen, int flags)
		2563	PPCODE:
		2564	{
		2565	SV *retval;
		2566	#if HAVE_ACCEPT4
		2567	socklen_t salen_ = salen ? salen + 1 : 0;
		2568
		2569	if (salen)
		2570	{
		2571	sv_upgrade (sockaddr, SVt_PV);
		2572	sv_grow (sockaddr, salen_);
		2573	}
		2574
		2575	int res = accept4 (rfh, salen ? (struct sockaddr *)SvPVX (sockaddr) : 0, salen ? &salen_ : 0, flags);
		2576
		2577	retval = newmortalFH (res, O_RDWR);
		2578
		2579	if (res >= 0 && salen > 0)
		2580	{
		2581	if (salen_ > salen + 1)
		2582	salen_ = salen + 1;
		2583
		2584	SvPOK_only (sockaddr);
		2585	SvCUR_set (sockaddr, salen_);
		2586	}
		2587	#else
		2588	errno = ENOSYS;
		2589	retval = &PL_sv_undef;
		2590	#endif
		2591	XPUSHs (retval);
		2592	}
		2593
		2594	ssize_t
2086	splice (aio_rfd rfh, SV off_in, aio_wfd wfh, SV off_out, size_t length, unsigned int flags)	2595	splice (aio_rfd rfh, SV off_in, aio_wfd wfh, SV off_out, size_t length, unsigned int flags)
2087	CODE:	2596	CODE:
2088	{	2597	{
2089	#if HAVE_LINUX_SPLICE	2598	#if HAVE_LINUX_SPLICE
2090	loff_t off_in_, off_out_;	2599	loff_t off_in_, off_out_;
…		…
2098	#endif	2607	#endif
2099	}	2608	}
2100	OUTPUT:	2609	OUTPUT:
2101	RETVAL	2610	RETVAL
2102		2611
2103	int	2612	ssize_t
2104	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)	2613	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2105	CODE:	2614	CODE:
2106	#if HAVE_LINUX_SPLICE	2615	#if HAVE_LINUX_SPLICE
2107	RETVAL = tee (rfh, wfh, length, flags);	2616	RETVAL = tee (rfh, wfh, length, flags);
2108	#else	2617	#else
…		…
2150	PUSHs (newmortalFH (fd[0], O_RDONLY));	2659	PUSHs (newmortalFH (fd[0], O_RDONLY));
2151	PUSHs (newmortalFH (fd[1], O_WRONLY));	2660	PUSHs (newmortalFH (fd[1], O_WRONLY));
2152	}	2661	}
2153	}	2662	}
2154		2663
		2664	void
		2665	pidfd_open (int pid, unsigned int flags = 0)
		2666	PPCODE:
		2667	{
		2668	/GENDEF0_SYSCALL(pidfd_open,434)/
		2669	int fd = syscall (SYS_pidfd_open, pid, flags);
		2670	XPUSHs (newmortalFH (fd, O_RDWR));
		2671	}
		2672
		2673	int
		2674	pidfd_send_signal (SV pidfh, int sig, SV siginfo = &PL_sv_undef, unsigned int flags = 0)
		2675	PPCODE:
		2676	{
		2677	int res;
		2678	siginfo_t si = { 0 };
		2679
		2680	if (SvOK (siginfo))
		2681	{
		2682	HV *hv;
		2683	SV **svp;
		2684
		2685	if (!SvROK (siginfo) \|\| SvTYPE (SvRV (siginfo)) != SVt_PVHV)
		2686	croak ("siginfo argument must be a hashref code, pid, uid and value_int or value_ptr members, caught");
		2687
		2688	hv = (HV *)SvRV (siginfo);
		2689
		2690	if ((svp = hv_fetchs (hv, "code" , 0))) si.si_code = SvIV (*svp);
		2691	if ((svp = hv_fetchs (hv, "pid" , 0))) si.si_pid = SvIV (*svp);
		2692	if ((svp = hv_fetchs (hv, "uid" , 0))) si.si_uid = SvIV (*svp);
		2693	if ((svp = hv_fetchs (hv, "value_int", 0))) si.si_value.sival_int = SvIV (*svp);
		2694	if ((svp = hv_fetchs (hv, "value_ptr", 0))) si.si_value.sival_ptr = (void )SvIV (svp);
		2695	}
		2696
		2697	/GENDEF0_SYSCALL(pidfd_send_signal,424)/
		2698	res = syscall (SYS_pidfd_send_signal, s_fileno_croak (pidfh, 0), sig, SvOK (siginfo) ? &si : 0, flags);
		2699
		2700	XPUSHs (sv_2mortal (newSViv (res)));
		2701	}
		2702
		2703	void
		2704	pidfd_getfd (SV *pidfh, int targetfd, unsigned int flags = 0)
		2705	PPCODE:
		2706	{
		2707	/GENDEF0_SYSCALL(pidfd_getfd,438)/
		2708	int fd = syscall (SYS_pidfd_getfd, s_fileno_croak (pidfh, 0), targetfd, flags);
		2709	XPUSHs (newmortalFH (fd, O_RDWR));
		2710	}
		2711
		2712	void
		2713	eventfd (unsigned int initval = 0, int flags = 0)
		2714	PPCODE:
		2715	{
		2716	int fd;
		2717	#if HAVE_EVENTFD
		2718	fd = eventfd (initval, flags);
		2719	#else
		2720	fd = (errno = ENOSYS, -1);
		2721	#endif
		2722
		2723	XPUSHs (newmortalFH (fd, O_RDWR));
		2724	}
		2725
		2726	void
		2727	timerfd_create (int clockid, int flags = 0)
		2728	PPCODE:
		2729	{
		2730	int fd;
		2731	#if HAVE_TIMERFD
		2732	fd = timerfd_create (clockid, flags);
		2733	#else
		2734	fd = (errno = ENOSYS, -1);
		2735	#endif
		2736
		2737	XPUSHs (newmortalFH (fd, O_RDWR));
		2738	}
		2739
		2740	void
		2741	timerfd_settime (SV *fh, int flags, NV interval, NV value)
		2742	PPCODE:
		2743	{
		2744	int fd = s_fileno_croak (fh, 0);
		2745	#if HAVE_TIMERFD
		2746	int res;
		2747	struct itimerspec its, ots;
		2748
		2749	ts_set (&its.it_interval, interval);
		2750	ts_set (&its.it_value , value);
		2751	res = timerfd_settime (fd, flags, &its, &ots);
		2752
		2753	if (!res)
		2754	{
		2755	EXTEND (SP, 2);
		2756	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2757	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2758	}
		2759	#else
		2760	errno = ENOSYS;
		2761	#endif
		2762	}
		2763
		2764	void
		2765	timerfd_gettime (SV *fh)
		2766	PPCODE:
		2767	{
		2768	int fd = s_fileno_croak (fh, 0);
		2769	#if HAVE_TIMERFD
		2770	int res;
		2771	struct itimerspec ots;
		2772	res = timerfd_gettime (fd, &ots);
		2773
		2774	if (!res)
		2775	{
		2776	EXTEND (SP, 2);
		2777	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2778	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2779	}
		2780	#else
		2781	errno = ENOSYS;
		2782	#endif
		2783	}
		2784
		2785	void
		2786	memfd_create (SV8 *pathname, int flags = 0)
		2787	PPCODE:
		2788	{
		2789	int fd;
		2790	#if HAVE_MEMFD_CREATE
		2791	fd = memfd_create (SvPVbyte_nolen (pathname), flags);
		2792	#else
		2793	fd = (errno = ENOSYS, -1);
		2794	#endif
		2795
		2796	XPUSHs (newmortalFH (fd, O_RDWR));
		2797	}
		2798
2155	UV	2799	UV
2156	get_fdlimit ()	2800	get_fdlimit ()
2157	CODE:	2801	CODE:
2158	#if HAVE_RLIMITS	2802	#if HAVE_RLIMITS
2159	struct rlimit rl;	2803	struct rlimit rl;
…		…
2192	if (0 == setrlimit (RLIMIT_NOFILE, &rl))	2836	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2193	XSRETURN_YES;	2837	XSRETURN_YES;
2194		2838
2195	if (errno == EPERM)	2839	if (errno == EPERM)
2196	{	2840	{
2197	/* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */	2841	/* setrlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2198	/* our limit overflows a system-wide limit */	2842	/* our limit overflows a system-wide limit */
2199	/* try an adaptive algorithm, but do not lower the hardlimit */	2843	/* try an adaptive algorithm, but do not lower the hardlimit */
2200	rl.rlim_max = 0;	2844	rl.rlim_max = 0;
2201	for (bit = 0x40000000U; bit; bit >>= 1)	2845	for (bit = 0x40000000U; bit; bit >>= 1)
2202	{	2846	{
2203	rl.rlim_max \|= bit;	2847	rl.rlim_max \|= bit;
2204	rl.rlim_cur = rl.rlim_max;	2848	rl.rlim_cur = rl.rlim_max;
2205		2849
2206	/* nevr decrease the hard limit */	2850	/* never decrease the hard limit */
2207	if (rl.rlim_max < orig_rlim_max)	2851	if (rl.rlim_max < orig_rlim_max)
2208	break;	2852	break;
2209		2853
2210	if (0 != setrlimit (RLIMIT_NOFILE, &rl))	2854	if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2211	rl.rlim_max &= ~bit; /* too high, remove bit again */	2855	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 1.288 by root, Tue Dec 29 18:00:40 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 1.288 by root, Tue Dec 29 18:00:40 2020 UTC