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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.210 by root, Fri Apr 6 11:39:25 2012 UTC vs.
Revision 1.289 by root, Mon Jan 4 22:19:06 2021 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		23
20	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES	24	/* the incompetent fool that created musl keeps __linux__, refuses
21	# include <sys/mman.h>	25	* to implement any linux standard apis, and also has no way to test
22	#endif	26	* for his broken iplementation. don't complain to me if this fails
23		27	* for you.
24	#if __linux__	28	*/
		29	#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
25	# include <linux/fs.h>	30	# include <linux/fs.h>
26	# ifdef FS_IOC_FIEMAP	31	# ifdef FS_IOC_FIEMAP
		32	# include <linux/types.h>
27	# include <linux/fiemap.h>	33	# include <linux/fiemap.h>
28	# define HAVE_FIEMAP 1	34	# define HAVE_FIEMAP 1
29	# endif	35	# endif
30	#endif	36	#endif
31		37
…		…
69	#undef fchmod	75	#undef fchmod
70	#undef dup	76	#undef dup
71	#undef dup2	77	#undef dup2
72	#undef abort	78	#undef abort
73	#undef pipe	79	#undef pipe
		80	#undef utime
74		81
75	#define EIO_STRUCT_STAT struct _stati64	82	#define EIO_STRUCT_STAT struct _stati64
76	#define EIO_STRUCT_STATI64	83	#define EIO_STRUCT_STATI64
77		84
78	#else	85	#else
79		86
80	#include <sys/time.h>	87	#include <sys/time.h>
81	#include <sys/select.h>	88	#include <sys/select.h>
		89	#include <sys/wait.h>
82	#include <unistd.h>	90	#include <unistd.h>
83	#include <utime.h>	91	#include <utime.h>
84	#include <signal.h>	92	#include <signal.h>
85		93
86	#define EIO_STRUCT_STAT Stat_t	94	#define EIO_STRUCT_STAT Stat_t
…		…
97		105
98	#define expect_false(expr) expect ((expr) != 0, 0)	106	#define expect_false(expr) expect ((expr) != 0, 0)
99	#define expect_true(expr) expect ((expr) != 0, 1)	107	#define expect_true(expr) expect ((expr) != 0, 1)
100		108
101	/*****************************************************************************/	109	/*****************************************************************************/
		110
		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
		167
		168	#if HAVE_RLIMITS
		169	#include <sys/time.h>
		170	#include <sys/resource.h>
		171	#endif
102		172
103	typedef SV SV8; /* byte-sv, used for argument-checking */	173	typedef SV SV8; /* byte-sv, used for argument-checking */
104	typedef int aio_rfd; /* read file desriptor */	174	typedef int aio_rfd; /* read file desriptor */
105	typedef int aio_wfd; /* write file descriptor */	175	typedef int aio_wfd; /* write file descriptor */
106		176
…		…
113	STRLEN stroffset; \	183	STRLEN stroffset; \
114	SV *self;	184	SV *self;
115		185
116	#define EIO_NO_WRAPPERS 1	186	#define EIO_NO_WRAPPERS 1
117		187
118	#include "libeio/config.h"
119	#include "libeio/eio.h"	188	#include "libeio/eio.h"
120		189
121	static int req_invoke (eio_req *req);	190	static int req_invoke (eio_req *req);
122	#define EIO_FINISH(req) req_invoke (req)	191	#define EIO_FINISH(req) req_invoke (req)
123	static void req_destroy (eio_req *grp);	192	static void req_destroy (eio_req *grp);
…		…
139	# else	208	# else
140	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	209	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
141	# endif	210	# endif
142	#endif	211	#endif
143		212
144	/* defines all sorts of constants to 0 unless they are already defined */
145	#include "def0.h"
146
147	#ifndef makedev	213	#ifndef makedev
148	# define makedev(maj,min) (((maj) << 8) | (min))	214	# define makedev(maj,min) (((maj) << 8) | (min))
149	#endif	215	#endif
150	#ifndef major	216	#ifndef major
151	# define major(dev) ((dev) >> 8)	217	# define major(dev) ((dev) >> 8)
152	#endif	218	#endif
153	#ifndef minor	219	#ifndef minor
154	# define minor(dev) ((dev) & 0xff)	220	# define minor(dev) ((dev) & 0xff)
155	#endif	221	#endif
156		222
		223	/* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */
		224	#ifdef __sun
157	#ifndef PAGESIZE	225	# undef PAGESIZE
		226	#endif
		227
		228	#if PAGESIZE <= 0
158	# define PAGESIZE sysconf (_SC_PAGESIZE)	229	# define PAGESIZE sysconf (_SC_PAGESIZE)
159	#endif	230	#endif
		231
		232	/* solaris perl seems to declare a wrong syscall function that clashes with system includes */
		233	#ifdef __sun
		234	# undef HAVE_SYSCALL
		235	#endif
		236
		237	#if HAVE_SYSCALL
		238	#include <sys/syscall.h>
		239	#else
		240	# define syscall(nr,...) (errno = ENOSYS, -1)
		241	#endif
		242
		243	/*****************************************************************************/
		244
		245	#if !_POSIX_MAPPED_FILES
		246	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
		247	# define munmap(addr,length) EIO_ENOSYS ()
		248	#endif
		249
		250	#if !_POSIX_MEMORY_PROTECTION
		251	# define mprotect(addr,len,prot) EIO_ENOSYS ()
		252	#endif
		253
		254	#if !MREMAP_MAYMOVE
		255	# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
		256	#endif
		257
		258	#define FOREIGN_MAGIC PERL_MAGIC_ext
		259
		260	static int ecb_cold
		261	mmap_free (pTHX_ SV *sv, MAGIC *mg)
		262	{
		263	int old_errno = errno;
		264	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		265	errno = old_errno;
		266
		267	mg->mg_obj = 0; /* just in case */
		268
		269	SvREADONLY_off (sv);
		270
		271	if (SvPVX (sv) != mg->mg_ptr)
		272	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		273
		274	SvCUR_set (sv, 0);
		275	SvPVX (sv) = 0;
		276	SvOK_off (sv);
		277
		278	return 0;
		279	}
		280
		281	static MGVTBL mmap_vtbl = {
		282	0, 0, 0, 0, mmap_free
		283	};
		284
		285	static int ecb_cold
		286	sysfree_free (pTHX_ SV *sv, MAGIC *mg)
		287	{
		288	free (mg->mg_ptr);
		289	mg->mg_obj = 0; /* just in case */
		290
		291	SvREADONLY_off (sv);
		292
		293	if (SvPVX (sv) != mg->mg_ptr)
		294	croak ("ERROR: IO::AIO mapped scalar changed location, detected");
		295
		296	SvCUR_set (sv, 0);
		297	SvPVX (sv) = 0;
		298	SvOK_off (sv);
		299
		300	return 0;
		301	}
		302
		303	static MGVTBL sysfree_vtbl = {
		304	0, 0, 0, 0, sysfree_free
		305	};
		306
		307	/*****************************************************************************/
		308
		309	/* helper: set scalar to foreign ptr with custom free */
		310	ecb_noinline
		311	static void
		312	sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
		313	{
		314	sv_force_normal (sv);
		315
		316	/* we store the length in mg_obj, as namlen is I32 :/ */
		317	sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
		318	->mg_obj = (SV *)length;
		319
		320	SvUPGRADE (sv, SVt_PV); /* nop... */
		321
		322	if (SvLEN (sv))
		323	Safefree (SvPVX (sv));
		324
		325	SvPVX (sv) = (char *)addr;
		326	SvCUR_set (sv, length);
		327	SvLEN_set (sv, 0);
		328	SvPOK_only (sv);
		329	}
		330
		331	static void
		332	sv_clear_foreign (SV *sv)
		333	{
		334	/* todo: iterate over magic and only free ours, but of course */
		335	/* the perl5porters will call that (correct) behaviour buggy */
		336	sv_unmagic (sv, FOREIGN_MAGIC);
		337	}
		338
		339	/*****************************************************************************/
		340
		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"
160		344
161	/*****************************************************************************/	345	/*****************************************************************************/
162		346
163	static void	347	static void
164	fiemap (eio_req *req)	348	fiemap (eio_req *req)
165	{	349	{
166	req->result = -1;	350	req->result = -1;
167		351
168	#if HAVE_FIEMAP	352	#if HAVE_FIEMAP
		353	/* assume some c99 */
		354	struct fiemap *fiemap = 0;
		355	size_t end_offset;
		356	int count = req->int3;
		357
		358	req->flags |= EIO_FLAG_PTR1_FREE;
		359
		360	/* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
		361	/* increase in fixed steps */
		362	if (count < 0)
		363	count = 8;
		364
		365	fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		366	errno = ENOMEM;
		367	if (!fiemap)
		368	return;
		369
		370	req->ptr1 = fiemap;
		371
		372	fiemap->fm_start = req->offs;
		373	fiemap->fm_length = req->size;
		374	fiemap->fm_flags = req->int2;
		375	fiemap->fm_extent_count = count;
		376
		377	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
		378	return;
		379
		380	if (req->int3 >= 0 /* not autosizing */
		381	|| !fiemap->fm_mapped_extents /* no more extents */
		382	|| fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
		383	goto done;
		384
		385	/* else we have to loop -
		386	* it would be tempting (actually I tried that first) to just query the
		387	* number of extents needed, but linux often feels like not returning all
		388	* extents, without telling us it left any out. this complicates
		389	* this quite a bit.
		390	*/
		391
		392	end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
		393
169	for (;;)	394	for (;;)
170	{	395	{
171	int count = req->int3;	396	/* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
		397	char scratch[3072];
		398	struct fiemap *incmap = (struct fiemap *)scratch;
172		399
173	if (count < 0)	400	incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
174	{	401	+ fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
175	struct fiemap fiemap;	402	incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
		403	incmap->fm_flags = fiemap->fm_flags;
		404	incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
176		405
177	fiemap.fm_start = req->offs;
178	fiemap.fm_length = req->size;
179	fiemap.fm_flags = req->int2;
180	fiemap.fm_extent_count = 0;
181
182	if (ioctl (req->int1, FS_IOC_FIEMAP, &fiemap))	406	if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
183	return;	407	return;
184		408
185	count = fiemap.fm_mapped_extents;	409	if (!incmap->fm_mapped_extents)
186	}	410	goto done;
187		411
		412	count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
188	struct fiemap *fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);	413	fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
189	errno = ENOMEM;	414	errno = ENOMEM;
190	if (!fiemap)	415	if (!fiemap)
191	return;	416	return;
192		417
193	req->ptr1 = fiemap;	418	req->ptr1 = fiemap;
194	req->flags |= EIO_FLAG_PTR1_FREE;
195		419
196	fiemap->fm_start = req->offs;	420	for (count = 0; count < incmap->fm_mapped_extents; ++count)
197	fiemap->fm_length = req->size;	421	{
198	fiemap->fm_flags = req->int2;	422	struct fiemap_extent *e = incmap->fm_extents + count;
199	fiemap->fm_extent_count = count;
200		423
201	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap))	424	fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
202	return;
203		425
204	if (req->int3 >= 0)	426	if (e->fe_logical >= end_offset)
205	break; /* when not autosizing we are done */	427	goto done;
206		428
207	if (fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST)	429	if (e->fe_flags & FIEMAP_EXTENT_LAST)
208	break; /* autosizing successful, we are done */	430	goto done;
209		431
210	free (fiemap);	432	}
211	}	433	}
212		434
		435	done:
213	req->result = 0;	436	req->result = 0;
214		437
215	#else	438	#else
216	errno = ENOSYS;	439	errno = ENOSYS;
217	#endif	440	#endif
218	}	441	}
219		442
220	/*****************************************************************************/	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
221		455
222	enum {	456	enum {
223	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	457	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
224	};	458	};
225		459
…		…
249	/* read any signals sent by the worker threads */	483	/* read any signals sent by the worker threads */
250	s_epipe_drain (&respipe);	484	s_epipe_drain (&respipe);
251	}	485	}
252		486
253	/* must be called at most once */	487	/* must be called at most once */
		488	ecb_noinline
254	static SV *	489	static SV *
255	req_sv (aio_req req, HV *stash)	490	req_sv (aio_req req, HV *stash)
256	{	491	{
257	if (!req->self)	492	if (!req->self)
258	{	493	{
…		…
264	}	499	}
265		500
266	static SV *	501	static SV *
267	newSVaio_wd (aio_wd wd)	502	newSVaio_wd (aio_wd wd)
268	{	503	{
269	return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash);	504	return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
270	}	505	}
271		506
		507	ecb_noinline
272	static aio_req	508	static aio_req
273	SvAIO_REQ (SV *sv)	509	SvAIO_REQ (SV *sv)
274	{	510	{
275	MAGIC *mg;	511	MAGIC *mg;
276		512
…		…
293	|| SvTYPE (SvRV (sv)) != SVt_PVMG	529	|| SvTYPE (SvRV (sv)) != SVt_PVMG
294	|| SvSTASH (SvRV (sv)) != aio_wd_stash)	530	|| SvSTASH (SvRV (sv)) != aio_wd_stash)
295	croak ("IO::AIO: expected a working directory object as returned by aio_wd");	531	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
296		532
297	return (aio_wd)(long)SvIVX (SvRV (sv));	533	return (aio_wd)(long)SvIVX (SvRV (sv));
		534	}
		535
		536	static SV *
		537	newmortalFH (int fd, int flags)
		538	{
		539	if (fd < 0)
		540	return &PL_sv_undef;
		541
		542	GV *gv = (GV *)sv_newmortal ();
		543	char sym[64];
		544	int symlen;
		545
		546	symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
		547	gv_init (gv, aio_stash, sym, symlen, 0);
		548
		549	symlen = snprintf (
		550	sym,
		551	sizeof (sym),
		552	"%s&=%d",
		553	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
		554	fd
		555	);
		556
		557	return do_open (gv, sym, symlen, 0, 0, 0, 0)
		558	? (SV *)gv : &PL_sv_undef;
298	}	559	}
299		560
300	static void	561	static void
301	aio_grp_feed (aio_req grp)	562	aio_grp_feed (aio_req grp)
302	{	563	{
…		…
314	FREETMPS;	575	FREETMPS;
315	LEAVE;	576	LEAVE;
316	}	577	}
317	}	578	}
318		579
		580	ecb_noinline
319	static void	581	static void
320	req_submit (eio_req *req)	582	req_submit (eio_req *req)
321	{	583	{
322	eio_submit (req);	584	eio_submit (req);
323		585
…		…
430	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));	692	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
431	}	693	}
432	break;	694	break;
433		695
434	case EIO_OPEN:	696	case EIO_OPEN:
435	{	697	PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
436	/* convert fd to fh */
437	SV *fh = &PL_sv_undef;
438
439	if (req->result >= 0)
440	{
441	GV *gv = (GV *)sv_newmortal ();
442	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
443	char sym [64];
444	int symlen;
445
446	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
447	gv_init (gv, aio_stash, sym, symlen, 0);
448
449	symlen = snprintf (
450	sym,
451	sizeof (sym),
452	"%s&=%d",
453	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
454	(int)req->result
455	);
456
457	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
458	fh = (SV *)gv;
459	}
460
461	PUSHs (fh);
462	}
463	break;	698	break;
464		699
465	case EIO_STATVFS:	700	case EIO_STATVFS:
466	case EIO_FSTATVFS:	701	case EIO_FSTATVFS:
467	{	702	{
…		…
470	#ifndef _WIN32	705	#ifndef _WIN32
471	if (req->result >= 0)	706	if (req->result >= 0)
472	{	707	{
473	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	708	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
474	HV *hv = newHV ();	709	HV *hv = newHV ();
		710	/* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
		711	* chooses to make it a struct.
		712	*/
		713	unsigned long fsid = 0;
		714	memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
475		715
476	rv = sv_2mortal (newRV_noinc ((SV *)hv));	716	rv = sv_2mortal (newRV_noinc ((SV *)hv));
477		717
478	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);	718	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
479	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);	719	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
…		…
481	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);	721	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
482	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);	722	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
483	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);	723	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
484	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);	724	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
485	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);	725	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
486	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);	726	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
487	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);	727	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
488	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);	728	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
489	}	729	}
490	#endif	730	#endif
491		731
…		…
542	SvSETMAGIC (req->sv2);	782	SvSETMAGIC (req->sv2);
543	PUSHs (sv_result);	783	PUSHs (sv_result);
544	}	784	}
545	break;	785	break;
546		786
		787	case EIO_SLURP:
		788	{
		789	if (req->result >= 0)
		790	{
		791	/* if length was originally not known, we steal the malloc'ed memory */
		792	if (req->flags & EIO_FLAG_PTR2_FREE)
		793	{
		794	req->flags &= ~EIO_FLAG_PTR2_FREE;
		795	sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
		796	}
		797	else
		798	{
		799	SvCUR_set (req->sv2, req->result);
		800	*SvEND (req->sv2) = 0;
		801	SvPOK_only (req->sv2);
		802	}
		803
		804	SvSETMAGIC (req->sv2);
		805	}
		806
		807	PUSHs (sv_result);
		808	}
		809	break;
		810
547	case EIO_CUSTOM:	811	case EIO_CUSTOM:
548	if (req->feed == fiemap)	812	if (req->feed == fiemap)
549	{	813	{
		814	#if HAVE_FIEMAP
550	if (!req->result)	815	if (!req->result)
551	{	816	{
552	struct fiemap *fiemap = (struct fiemap *)req->ptr1;	817	struct fiemap *fiemap = (struct fiemap *)req->ptr1;
553		818
554	if (fiemap->fm_extent_count)	819	if (fiemap->fm_extent_count)
…		…
575	{	840	{
576	SvIV_set (sv_result, fiemap->fm_mapped_extents);	841	SvIV_set (sv_result, fiemap->fm_mapped_extents);
577	PUSHs (sv_result);	842	PUSHs (sv_result);
578	}	843	}
579	}	844	}
		845	#endif
580	}	846	}
581	else	847	else
582	PUSHs (sv_result);	848	PUSHs (sv_result);
583	break;	849	break;
		850
		851	#if 0
		852	case EIO_CLOSE:
		853	PerlIOUnix_refcnt_dec (req->int1);
		854	break;
		855	#endif
584		856
585	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 */
586	if (req->result > 0)	858	if (req->result > 0)
587	SvIV_set (sv_result, 0);	859	SvIV_set (sv_result, 0);
588	/* FALLTHROUGH */	860	/* FALLTHROUGH */
…		…
640	grp->sv2 = 0;	912	grp->sv2 = 0;
641		913
642	eio_grp_cancel (grp);	914	eio_grp_cancel (grp);
643	}	915	}
644		916
645	static void ecb_cold	917	ecb_cold
		918	static void
646	create_respipe (void)	919	create_respipe (void)
647	{	920	{
648	if (s_epipe_renew (&respipe))	921	if (s_epipe_renew (&respipe))
649	croak ("IO::AIO: unable to initialize result pipe");	922	croak ("IO::AIO: unable to initialize result pipe");
650	}	923	}
…		…
654	{	927	{
655	while (eio_nreqs ())	928	while (eio_nreqs ())
656	{	929	{
657	int size;	930	int size;
658		931
659	X_LOCK (reslock);	932	X_LOCK (EIO_POOL->reslock);
660	size = res_queue.size;	933	size = EIO_POOL->res_queue.size;
661	X_UNLOCK (reslock);	934	X_UNLOCK (EIO_POOL->reslock);
662		935
663	if (size)	936	if (size)
664	return;	937	return;
665		938
666	etp_maybe_start_thread ();	939	etp_maybe_start_thread (EIO_POOL);
667		940
668	s_epipe_wait (&respipe);	941	s_epipe_wait (&respipe);
669	}	942	}
670	}	943	}
671		944
…		…
684		957
685	poll_wait ();	958	poll_wait ();
686	}	959	}
687	}	960	}
688		961
689	static void ecb_cold	962	ecb_cold
		963	static void
690	reinit (void)	964	reinit (void)
691	{	965	{
692	create_respipe ();	966	create_respipe ();
693		967
694	if (eio_init (want_poll, done_poll) < 0)	968	if (eio_init (want_poll, done_poll) < 0)
695	croak ("IO::AIO: unable to initialise eio library");	969	croak ("IO::AIO: unable to initialise eio library");
696	}	970	}
697		971
698	/*****************************************************************************/	972	/*****************************************************************************/
699		973
700	#if !_POSIX_MAPPED_FILES
701	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
702	# define munmap(addr,length) (errno = ENOSYS, -1)
703	#endif
704
705	#if !_POSIX_MEMORY_PROTECTION
706	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
707	# define PROT_NONE 0
708	# define PROT_WRITE 0
709	# define MAP_PRIVATE 0
710	# define MAP_SHARED 0
711	# define MAP_FIXED 0
712	#endif
713
714	#define MMAP_MAGIC PERL_MAGIC_ext
715
716	static int ecb_cold
717	mmap_free (pTHX_ SV *sv, MAGIC *mg)
718	{
719	int old_errno = errno;
720	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
721	errno = old_errno;
722
723	mg->mg_obj = 0; /* just in case */
724
725	SvREADONLY_off (sv);
726
727	if (SvPVX (sv) != mg->mg_ptr)
728	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
729
730	SvCUR_set (sv, 0);
731	SvPVX (sv) = 0;
732	SvOK_off (sv);
733
734	return 0;
735	}
736
737	static MGVTBL mmap_vtbl = {
738	0, 0, 0, 0, mmap_free
739	};
740
741	/*****************************************************************************/
742
743	static SV *	974	static SV *
744	get_cb (SV *cb_sv)	975	get_cb (SV *cb_sv)
745	{	976	{
746	SvGETMAGIC (cb_sv);	977	SvGETMAGIC (cb_sv);
747	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	978	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
748	}	979	}
749		980
		981	ecb_noinline
750	static aio_req ecb_noinline	982	static aio_req ecb_noinline
751	dreq (SV *callback)	983	dreq (SV *callback)
752	{	984	{
753	SV *cb_cv;	985	SV *cb_cv;
754	aio_req req;	986	aio_req req;
…		…
776	SPAGAIN; \	1008	SPAGAIN; \
777	\	1009	\
778	if (GIMME_V != G_VOID) \	1010	if (GIMME_V != G_VOID) \
779	XPUSHs (req_sv (req, aio_req_stash));	1011	XPUSHs (req_sv (req, aio_req_stash));
780		1012
		1013	/* *wdsv, *pathsv, *wd and *ptr must be 0-initialized */
781	ecb_inline void	1014	ecb_inline
		1015	void
782	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)
783	{	1017	{
784	if (expect_false (SvROK (path)))	1018	if (expect_false (SvROK (path)))
785	{	1019	{
786	SV *rv = SvRV (path);	1020	SV *rv = SvRV (path);
787	SV *wdob;	1021	SV *wdob;
…		…
812		1046
813	*pathsv = newSVsv (path);	1047	*pathsv = newSVsv (path);
814	*ptr = SvPVbyte_nolen (*pathsv);	1048	*ptr = SvPVbyte_nolen (*pathsv);
815	}	1049	}
816		1050
817	static void ecb_noinline	1051	ecb_noinline
		1052	static void
818	req_set_path1 (aio_req req, SV *path)	1053	req_set_path1 (aio_req req, SV *path)
819	{	1054	{
820	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);
821	}	1056	}
822		1057
823	static void ecb_noinline	1058	ecb_noinline
		1059	static void
824	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)
825	{	1061	{
826	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;
827		1063
828	switch (SvTYPE (rv))	1064	switch (SvTYPE (rv))
…		…
840	req_set_path1 (req, fh_or_path);	1076	req_set_path1 (req, fh_or_path);
841	break;	1077	break;
842	}	1078	}
843	}	1079	}
844		1080
		1081	/*****************************************************************************/
		1082
		1083	static void
		1084	ts_set (struct timespec *ts, NV value)
		1085	{
		1086	ts->tv_sec = value;
		1087	ts->tv_nsec = (value - ts->tv_sec) * 1e9;
		1088	}
		1089
		1090	static NV
		1091	ts_get (const struct timespec *ts)
		1092	{
		1093	return ts->tv_sec + ts->tv_nsec * 1e-9;
		1094	}
		1095
		1096	/*****************************************************************************/
		1097
845	XS(boot_IO__AIO) ecb_cold;	1098	XS(boot_IO__AIO) ecb_cold;
846		1099
847	MODULE = IO::AIO PACKAGE = IO::AIO	1100	MODULE = IO::AIO PACKAGE = IO::AIO
848		1101
849	PROTOTYPES: ENABLE	1102	PROTOTYPES: ENABLE
…		…
856	} *civ, const_iv[] = {	1109	} *civ, const_iv[] = {
857	# define const_niv(name, value) { # name, (IV) value },	1110	# define const_niv(name, value) { # name, (IV) value },
858	# define const_iv(name) { # name, (IV) name },	1111	# define const_iv(name) { # name, (IV) name },
859	# define const_eio(name) { # name, (IV) EIO_ ## name },	1112	# define const_eio(name) { # name, (IV) EIO_ ## name },
860		1113
861	/* you have to re-run ./gendef0 after adding/Removing any constants here */	1114	/* you have to re-run ./gendef0 after adding/removing any constants here */
862		1115	/* the first block can be undef if missing */
863	const_iv (ENOSYS)	1116	const_iv (ENOSYS)
864	const_iv (EXDEV)	1117	const_iv (EXDEV)
865	const_iv (EBADR)	1118	const_iv (EBADR)
		1119
		1120	/* for lseek */
		1121	const_iv (SEEK_DATA)
		1122	const_iv (SEEK_HOLE)
		1123
		1124	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
		1125	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		1126	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
		1127	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		1128	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		1129	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		1130
		1131	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		1132	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		1133	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		1134	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		1135	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		1136
		1137	/* the second block will be 0 when missing */
		1138	const_iv (O_ACCMODE)
866		1139
867	const_iv (O_RDONLY)	1140	const_iv (O_RDONLY)
868	const_iv (O_WRONLY)	1141	const_iv (O_WRONLY)
869	const_iv (O_RDWR)	1142	const_iv (O_RDWR)
870	const_iv (O_CREAT)	1143	const_iv (O_CREAT)
…		…
884	const_iv (O_SEARCH)	1157	const_iv (O_SEARCH)
885	const_iv (O_DIRECTORY)	1158	const_iv (O_DIRECTORY)
886	const_iv (O_DSYNC)	1159	const_iv (O_DSYNC)
887	const_iv (O_RSYNC)	1160	const_iv (O_RSYNC)
888	const_iv (O_SYNC)	1161	const_iv (O_SYNC)
		1162	const_iv (O_PATH)
		1163	const_iv (O_TMPFILE)
889	const_iv (O_TTY_INIT)	1164	const_iv (O_TTY_INIT)
890		1165
891	const_iv (S_IFIFO)	1166	const_iv (S_IFIFO)
892	const_iv (S_IFCHR)	1167	const_iv (S_IFCHR)
893	const_iv (S_IFBLK)	1168	const_iv (S_IFBLK)
…		…
895	const_iv (S_IFREG)	1170	const_iv (S_IFREG)
896	const_iv (S_IFDIR)	1171	const_iv (S_IFDIR)
897	const_iv (S_IFWHT)	1172	const_iv (S_IFWHT)
898	const_iv (S_IFSOCK)	1173	const_iv (S_IFSOCK)
899	const_iv (S_IFMT)	1174	const_iv (S_IFMT)
900
901	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
902	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
903	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
904	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
905	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
906	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
907
908	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
909	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
910	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
911	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
912	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
913		1175
914	const_iv (ST_RDONLY)	1176	const_iv (ST_RDONLY)
915	const_iv (ST_NOSUID)	1177	const_iv (ST_NOSUID)
916	const_iv (ST_NODEV)	1178	const_iv (ST_NODEV)
917	const_iv (ST_NOEXEC)	1179	const_iv (ST_NOEXEC)
…		…
927	const_iv (PROT_NONE)	1189	const_iv (PROT_NONE)
928	const_iv (PROT_EXEC)	1190	const_iv (PROT_EXEC)
929	const_iv (PROT_READ)	1191	const_iv (PROT_READ)
930	const_iv (PROT_WRITE)	1192	const_iv (PROT_WRITE)
931		1193
932	/*const_iv (MAP_FIXED)*/
933	const_iv (MAP_PRIVATE)	1194	const_iv (MAP_PRIVATE)
934	const_iv (MAP_SHARED)	1195	const_iv (MAP_SHARED)
		1196	const_iv (MAP_FIXED)
935	const_iv (MAP_ANONYMOUS)	1197	const_iv (MAP_ANONYMOUS)
936		1198
937	/* linuxish */	1199	/* linuxish */
938	const_iv (MAP_HUGETLB)
939	const_iv (MAP_LOCKED)	1200	const_iv (MAP_LOCKED)
940	const_iv (MAP_NORESERVE)	1201	const_iv (MAP_NORESERVE)
941	const_iv (MAP_POPULATE)	1202	const_iv (MAP_POPULATE)
942	const_iv (MAP_NONBLOCK)	1203	const_iv (MAP_NONBLOCK)
		1204	const_iv (MAP_GROWSDOWN)
		1205	const_iv (MAP_32BIT)
		1206	const_iv (MAP_HUGETLB)
		1207	const_iv (MAP_STACK)
		1208
		1209	const_iv (MREMAP_MAYMOVE)
		1210	const_iv (MREMAP_FIXED)
		1211
		1212	const_iv (MSG_CMSG_CLOEXEC)
		1213	const_iv (SOCK_CLOEXEC)
		1214
		1215	const_iv (F_DUPFD_CLOEXEC)
		1216
		1217	const_iv (F_ADD_SEALS)
		1218	const_iv (F_GET_SEALS)
		1219	const_iv (F_SEAL_SEAL)
		1220	const_iv (F_SEAL_SHRINK)
		1221	const_iv (F_SEAL_GROW)
		1222	const_iv (F_SEAL_WRITE)
		1223
		1224	const_iv (F_OFD_GETLK)
		1225	const_iv (F_OFD_SETLK)
		1226	const_iv (F_OFD_GETLKW)
		1227
		1228	const_iv (FIFREEZE)
		1229	const_iv (FITHAW)
		1230	const_iv (FITRIM)
		1231	const_iv (FICLONE)
		1232	const_iv (FICLONERANGE)
		1233	const_iv (FIDEDUPERANGE)
		1234
		1235	const_iv (FS_IOC_GETFLAGS)
		1236	const_iv (FS_IOC_SETFLAGS)
		1237	const_iv (FS_IOC_GETVERSION)
		1238	const_iv (FS_IOC_SETVERSION)
		1239	const_iv (FS_IOC_FIEMAP)
		1240	const_iv (FS_IOC_FSGETXATTR)
		1241	const_iv (FS_IOC_FSSETXATTR)
		1242	const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
		1243	const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
		1244	const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
		1245
		1246	const_iv (FS_KEY_DESCRIPTOR_SIZE)
		1247
		1248	const_iv (FS_SECRM_FL)
		1249	const_iv (FS_UNRM_FL)
		1250	const_iv (FS_COMPR_FL)
		1251	const_iv (FS_SYNC_FL)
		1252	const_iv (FS_IMMUTABLE_FL)
		1253	const_iv (FS_APPEND_FL)
		1254	const_iv (FS_NODUMP_FL)
		1255	const_iv (FS_NOATIME_FL)
		1256	const_iv (FS_DIRTY_FL)
		1257	const_iv (FS_COMPRBLK_FL)
		1258	const_iv (FS_NOCOMP_FL)
		1259	const_iv (FS_ENCRYPT_FL)
		1260	const_iv (FS_BTREE_FL)
		1261	const_iv (FS_INDEX_FL)
		1262	const_iv (FS_JOURNAL_DATA_FL)
		1263	const_iv (FS_NOTAIL_FL)
		1264	const_iv (FS_DIRSYNC_FL)
		1265	const_iv (FS_TOPDIR_FL)
		1266	const_iv (FS_FL_USER_MODIFIABLE)
		1267
		1268	const_iv (FS_XFLAG_REALTIME)
		1269	const_iv (FS_XFLAG_PREALLOC)
		1270	const_iv (FS_XFLAG_IMMUTABLE)
		1271	const_iv (FS_XFLAG_APPEND)
		1272	const_iv (FS_XFLAG_SYNC)
		1273	const_iv (FS_XFLAG_NOATIME)
		1274	const_iv (FS_XFLAG_NODUMP)
		1275	const_iv (FS_XFLAG_RTINHERIT)
		1276	const_iv (FS_XFLAG_PROJINHERIT)
		1277	const_iv (FS_XFLAG_NOSYMLINKS)
		1278	const_iv (FS_XFLAG_EXTSIZE)
		1279	const_iv (FS_XFLAG_EXTSZINHERIT)
		1280	const_iv (FS_XFLAG_NODEFRAG)
		1281	const_iv (FS_XFLAG_FILESTREAM)
		1282	const_iv (FS_XFLAG_DAX)
		1283	const_iv (FS_XFLAG_HASATTR)
943		1284
944	const_iv (FIEMAP_FLAG_SYNC)	1285	const_iv (FIEMAP_FLAG_SYNC)
945	const_iv (FIEMAP_FLAG_XATTR)	1286	const_iv (FIEMAP_FLAG_XATTR)
946	const_iv (FIEMAP_FLAGS_COMPAT)	1287	const_iv (FIEMAP_FLAGS_COMPAT)
947	const_iv (FIEMAP_EXTENT_LAST)	1288	const_iv (FIEMAP_EXTENT_LAST)
…		…
954	const_iv (FIEMAP_EXTENT_DATA_TAIL)	1295	const_iv (FIEMAP_EXTENT_DATA_TAIL)
955	const_iv (FIEMAP_EXTENT_UNWRITTEN)	1296	const_iv (FIEMAP_EXTENT_UNWRITTEN)
956	const_iv (FIEMAP_EXTENT_MERGED)	1297	const_iv (FIEMAP_EXTENT_MERGED)
957	const_iv (FIEMAP_EXTENT_SHARED)	1298	const_iv (FIEMAP_EXTENT_SHARED)
958		1299
		1300	const_iv (SPLICE_F_MOVE)
		1301	const_iv (SPLICE_F_NONBLOCK)
		1302	const_iv (SPLICE_F_MORE)
		1303	const_iv (SPLICE_F_GIFT)
		1304
		1305	const_iv (EFD_CLOEXEC)
		1306	const_iv (EFD_NONBLOCK)
		1307	const_iv (EFD_SEMAPHORE)
		1308
		1309	const_iv (MFD_CLOEXEC)
		1310	const_iv (MFD_ALLOW_SEALING)
		1311	const_iv (MFD_HUGETLB)
		1312
		1313	const_iv (CLOCK_REALTIME)
		1314	const_iv (CLOCK_MONOTONIC)
		1315	const_iv (CLOCK_BOOTTIME)
		1316	const_iv (CLOCK_REALTIME_ALARM)
		1317	const_iv (CLOCK_BOOTTIME_ALARM)
		1318
		1319	const_iv (TFD_NONBLOCK)
		1320	const_iv (TFD_CLOEXEC)
		1321
		1322	const_iv (TFD_TIMER_ABSTIME)
		1323	const_iv (TFD_TIMER_CANCEL_ON_SET)
		1324
		1325	const_iv (STATX_TYPE)
		1326	const_iv (STATX_MODE)
		1327	const_iv (STATX_NLINK)
		1328	const_iv (STATX_UID)
		1329	const_iv (STATX_GID)
		1330	const_iv (STATX_ATIME)
		1331	const_iv (STATX_MTIME)
		1332	const_iv (STATX_CTIME)
		1333	const_iv (STATX_INO)
		1334	const_iv (STATX_SIZE)
		1335	const_iv (STATX_BLOCKS)
		1336	const_iv (STATX_BASIC_STATS)
		1337	const_iv (STATX_ALL)
		1338	const_iv (STATX_BTIME)
		1339	const_iv (STATX_ATTR_COMPRESSED)
		1340	const_iv (STATX_ATTR_IMMUTABLE)
		1341	const_iv (STATX_ATTR_APPEND)
		1342	const_iv (STATX_ATTR_NODUMP)
		1343	const_iv (STATX_ATTR_ENCRYPTED)
		1344	const_iv (STATX_ATTR_AUTOMOUNT)
		1345
		1346	const_iv (AT_FDCWD)
		1347	const_iv (AT_SYMLINK_NOFOLLOW)
		1348	const_iv (AT_EACCESS)
		1349	const_iv (AT_REMOVEDIR)
		1350	const_iv (AT_SYMLINK_FOLLOW)
		1351	const_iv (AT_NO_AUTOMOUNT)
		1352	const_iv (AT_EMPTY_PATH)
		1353	const_iv (AT_STATX_SYNC_TYPE)
		1354	const_iv (AT_STATX_AS_STAT)
		1355	const_iv (AT_STATX_FORCE_SYNC)
		1356	const_iv (AT_STATX_DONT_SYNC)
		1357	const_iv (AT_RECURSIVE)
		1358
		1359	const_iv (OPEN_TREE_CLONE)
		1360
		1361	const_iv (FSOPEN_CLOEXEC)
		1362
		1363	const_iv (FSPICK_CLOEXEC)
		1364	const_iv (FSPICK_SYMLINK_NOFOLLOW)
		1365	const_iv (FSPICK_NO_AUTOMOUNT)
		1366	const_iv (FSPICK_EMPTY_PATH)
		1367
		1368	const_iv (MOVE_MOUNT_F_SYMLINKS)
		1369	const_iv (MOVE_MOUNT_F_AUTOMOUNTS)
		1370	const_iv (MOVE_MOUNT_F_EMPTY_PATH)
		1371	const_iv (MOVE_MOUNT_T_SYMLINKS)
		1372	const_iv (MOVE_MOUNT_T_AUTOMOUNTS)
		1373	const_iv (MOVE_MOUNT_T_EMPTY_PATH)
		1374
		1375	/* waitid */
		1376	const_iv (P_PID)
		1377	const_iv (P_PIDFD)
		1378	const_iv (P_PGID)
		1379	const_iv (P_ALL)
		1380
		1381	const_iv (FSCONFIG_SET_FLAG)
		1382	const_iv (FSCONFIG_SET_STRING)
		1383	const_iv (FSCONFIG_SET_BINARY)
		1384	const_iv (FSCONFIG_SET_PATH)
		1385	const_iv (FSCONFIG_SET_PATH_EMPTY)
		1386	const_iv (FSCONFIG_SET_FD)
		1387	const_iv (FSCONFIG_CMD_CREATE)
		1388	const_iv (FSCONFIG_CMD_RECONFIGURE)
		1389
		1390	const_iv (MOUNT_ATTR_RDONLY)
		1391	const_iv (MOUNT_ATTR_NOSUID)
		1392	const_iv (MOUNT_ATTR_NODEV)
		1393	const_iv (MOUNT_ATTR_NOEXEC)
		1394	const_iv (MOUNT_ATTR__ATIME)
		1395	const_iv (MOUNT_ATTR_RELATIME)
		1396	const_iv (MOUNT_ATTR_NOATIME)
		1397	const_iv (MOUNT_ATTR_STRICTATIME)
		1398	const_iv (MOUNT_ATTR_NODIRATIME)
		1399
		1400	/* these are libeio constants, and are independent of gendef0 */
959	const_eio (SEEK_SET)	1401	const_eio (SEEK_SET)
960	const_eio (SEEK_CUR)	1402	const_eio (SEEK_CUR)
961	const_eio (SEEK_END)	1403	const_eio (SEEK_END)
962		1404
963	const_eio (MCL_FUTURE)	1405	const_eio (MCL_FUTURE)
964	const_eio (MCL_CURRENT)	1406	const_eio (MCL_CURRENT)
		1407	const_eio (MCL_ONFAULT)
965		1408
966	const_eio (MS_ASYNC)	1409	const_eio (MS_ASYNC)
967	const_eio (MS_INVALIDATE)	1410	const_eio (MS_INVALIDATE)
968	const_eio (MS_SYNC)	1411	const_eio (MS_SYNC)
969		1412
…		…
972	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1415	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
973	const_eio (SYNC_FILE_RANGE_WRITE)	1416	const_eio (SYNC_FILE_RANGE_WRITE)
974	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1417	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
975		1418
976	const_eio (FALLOC_FL_KEEP_SIZE)	1419	const_eio (FALLOC_FL_KEEP_SIZE)
		1420	const_eio (FALLOC_FL_PUNCH_HOLE)
		1421	const_eio (FALLOC_FL_COLLAPSE_RANGE)
		1422	const_eio (FALLOC_FL_ZERO_RANGE)
		1423	const_eio (FALLOC_FL_INSERT_RANGE)
		1424	const_eio (FALLOC_FL_UNSHARE_RANGE)
		1425
		1426	const_eio (RENAME_NOREPLACE)
		1427	const_eio (RENAME_EXCHANGE)
		1428	const_eio (RENAME_WHITEOUT)
977		1429
978	const_eio (READDIR_DENTS)	1430	const_eio (READDIR_DENTS)
979	const_eio (READDIR_DIRS_FIRST)	1431	const_eio (READDIR_DIRS_FIRST)
980	const_eio (READDIR_STAT_ORDER)	1432	const_eio (READDIR_STAT_ORDER)
981	const_eio (READDIR_FOUND_UNKNOWN)	1433	const_eio (READDIR_FOUND_UNKNOWN)
…		…
999	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)	1451	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
1000	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));	1452	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
1001		1453
1002	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1454	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
1003		1455
		1456	/* allocate dummy pipe fd for aio_close */
		1457	{
		1458	int pipefd [2];
		1459
		1460	if (
		1461	#ifdef _WIN32
		1462	_pipe (pipefd, 1, _O_BINARY) < 0
		1463	#else
		1464	pipe (pipefd) < 0
		1465	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1466	#endif
		1467	|| close (pipefd [1]) < 0
		1468	)
		1469	croak ("IO::AIO: unable to create dummy pipe for aio_close");
		1470
		1471	close_fd = pipefd [0];
		1472	}
		1473
1004	reinit ();	1474	reinit ();
1005	}	1475	}
1006		1476
1007	void	1477	void
1008	reinit ()	1478	reinit ()
…		…
1049	PROTOTYPE: $	1519	PROTOTYPE: $
1050	CODE:	1520	CODE:
1051	max_outstanding = maxreqs;	1521	max_outstanding = maxreqs;
1052		1522
1053	void	1523	void
1054	aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)	1524	aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
1055	PPCODE:	1525	PPCODE:
1056	{	1526	{
1057	dREQ;	1527	dREQ;
1058		1528
1059	req->type = EIO_WD_OPEN;	1529	req->type = EIO_WD_OPEN;
…		…
1061		1531
1062	REQ_SEND;	1532	REQ_SEND;
1063	}	1533	}
1064		1534
1065	void	1535	void
1066	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1536	aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1067	PPCODE:	1537	PPCODE:
1068	{	1538	{
1069	dREQ;	1539	dREQ;
1070		1540
1071	req->type = EIO_OPEN;	1541	req->type = EIO_OPEN;
…		…
1075		1545
1076	REQ_SEND;	1546	REQ_SEND;
1077	}	1547	}
1078		1548
1079	void	1549	void
1080	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1550	aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
1081	ALIAS:	1551	ALIAS:
1082	aio_fsync = EIO_FSYNC	1552	aio_fsync = EIO_FSYNC
1083	aio_fdatasync = EIO_FDATASYNC	1553	aio_fdatasync = EIO_FDATASYNC
1084	aio_syncfs = EIO_SYNCFS	1554	aio_syncfs = EIO_SYNCFS
1085	PPCODE:	1555	PPCODE:
1086	{	1556	{
1087	int fd = s_fileno_croak (fh, 0);	1557	int fd = s_fileno_croak (fh, 0);
1088	dREQ;	1558	dREQ;
1089		1559
1090	req->type = ix;	1560	req->type = ix;
1091	req->sv1 = newSVsv (fh);	1561	req->sv1 = newSVsv (fh);
1092	req->int1 = fd;	1562	req->int1 = fd;
1093		1563
1094	REQ_SEND;	1564	REQ_SEND;
1095	}	1565	}
1096		1566
1097	void	1567	void
1098	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1568	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
1099	PPCODE:	1569	PPCODE:
1100	{	1570	{
1101	int fd = s_fileno_croak (fh, 0);	1571	int fd = s_fileno_croak (fh, 0);
1102	dREQ;	1572	dREQ;
1103		1573
1104	req->type = EIO_SYNC_FILE_RANGE;	1574	req->type = EIO_SYNC_FILE_RANGE;
1105	req->sv1 = newSVsv (fh);	1575	req->sv1 = newSVsv (fh);
1106	req->int1 = fd;	1576	req->int1 = fd;
…		…
1110		1580
1111	REQ_SEND;	1581	REQ_SEND;
1112	}	1582	}
1113		1583
1114	void	1584	void
1115	aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)	1585	aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
1116	PPCODE:	1586	PPCODE:
1117	{	1587	{
1118	int fd = s_fileno_croak (fh, 0);	1588	int fd = s_fileno_croak (fh, 0);
1119	dREQ;	1589	dREQ;
1120		1590
1121	req->type = EIO_FALLOCATE;	1591	req->type = EIO_FALLOCATE;
1122	req->sv1 = newSVsv (fh);	1592	req->sv1 = newSVsv (fh);
1123	req->int1 = fd;	1593	req->int1 = fd;
…		…
1127		1597
1128	REQ_SEND;	1598	REQ_SEND;
1129	}	1599	}
1130		1600
1131	void	1601	void
1132	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1602	aio_close (SV *fh, SV *callback = &PL_sv_undef)
1133	PPCODE:	1603	PPCODE:
1134	{	1604	{
1135	static int close_fd = -1; /* dummy fd to close fds via dup2 */
1136	int fd = s_fileno_croak (fh, 0);	1605	int fd = s_fileno_croak (fh, 0);
1137	dREQ;	1606	dREQ;
		1607	#if 0
		1608	/* partially duplicate logic in s_fileno */
		1609	SvGETMAGIC (fh);
1138		1610
1139	if (expect_false (close_fd < 0))	1611	if (SvROK (fh))
		1612	{
		1613	fh = SvRV (fh);
		1614	SvGETMAGIC (fh);
		1615	}
		1616
		1617	if (SvTYPE (fh) == SVt_PVGV)
1140	{	1618	{
1141	int pipefd [2];	1619	/* perl filehandle */
		1620	PerlIOUnix_refcnt_inc (fd);
		1621	do_close ((GV *)fh, 1);
1142		1622
1143	if (	1623	req->type = EIO_CLOSE;
1144	#ifdef _WIN32	1624	req->int1 = fd;
1145	_pipe (pipefd, 1, _O_BINARY) < 0	1625	/*req->sv2 = newSVsv (fh);*/ /* since we stole the fd, no need to keep the fh */
1146	#else
1147	pipe (pipefd) < 0
1148	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1149	#endif
1150	|| close (pipefd [1]) < 0
1151	)
1152	abort (); /*D*/
1153
1154	close_fd = pipefd [0];
1155	}	1626	}
1156		1627	else
		1628	#endif
		1629	{
		1630	/* fd number */
1157	req->type = EIO_DUP2;	1631	req->type = EIO_DUP2;
1158	req->int1 = close_fd;	1632	req->int1 = close_fd;
1159	req->sv2 = newSVsv (fh);	1633	req->sv2 = newSVsv (fh);
1160	req->int2 = fd;	1634	req->int2 = fd;
		1635	}
1161		1636
1162	REQ_SEND;	1637	REQ_SEND;
1163	}	1638	}
1164		1639
1165	void	1640	void
1166	aio_seek (SV *fh, SV *offset, int whence, SV *callback=&PL_sv_undef)	1641	aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1167	PPCODE:	1642	PPCODE:
1168	{	1643	{
1169	STRLEN svlen;
1170	int fd = s_fileno_croak (fh, 0);	1644	int fd = s_fileno_croak (fh, 0);
1171	dREQ;	1645	dREQ;
1172		1646
1173	req->type = EIO_SEEK;	1647	req->type = EIO_SEEK;
1174	req->sv1 = newSVsv (fh);	1648	req->sv1 = newSVsv (fh);
…		…
1178		1652
1179	REQ_SEND;	1653	REQ_SEND;
1180	}	1654	}
1181		1655
1182	void	1656	void
1183	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1657	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
1184	ALIAS:	1658	ALIAS:
1185	aio_read = EIO_READ	1659	aio_read = EIO_READ
1186	aio_write = EIO_WRITE	1660	aio_write = EIO_WRITE
1187	PPCODE:	1661	PPCODE:
1188	{	1662	{
…		…
1204	len = svlen - dataoffset;	1678	len = svlen - dataoffset;
1205	}	1679	}
1206	else	1680	else
1207	{	1681	{
1208	/* read: check type and grow scalar as necessary */	1682	/* read: check type and grow scalar as necessary */
1209	SvUPGRADE (data, SVt_PV);	1683	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1210	svptr = SvGROW (data, len + dataoffset + 1);	1684	svptr = sv_grow (data, len + dataoffset + 1);
		1685	else if (SvCUR (data) < len + dataoffset)
		1686	croak ("length + dataoffset outside of scalar, and cannot grow");
1211	}	1687	}
1212		1688
1213	{	1689	{
1214	dREQ;	1690	dREQ;
1215		1691
…		…
1231	REQ_SEND;	1707	REQ_SEND;
1232	}	1708	}
1233	}	1709	}
1234		1710
1235	void	1711	void
		1712	aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
		1713	ALIAS:
		1714	aio_ioctl = EIO_IOCTL
		1715	aio_fcntl = EIO_FCNTL
		1716	PPCODE:
		1717	{
		1718	int fd = s_fileno_croak (fh, 0);
		1719	char *svptr;
		1720
		1721	if (SvPOK (arg) || !SvNIOK (arg))
		1722	{
		1723	STRLEN svlen;
		1724	/* perl uses IOCPARM_LEN for fcntl, so we do, too */
		1725	#ifdef IOCPARM_LEN
		1726	STRLEN need = IOCPARM_LEN (request);
		1727	#else
		1728	STRLEN need = 256;
		1729	#endif
		1730
		1731	if (svlen < need)
		1732	svptr = SvGROW (arg, need);
		1733	}
		1734	else
		1735	svptr = (char *)SvIV (arg);
		1736
		1737	{
		1738	dREQ;
		1739
		1740	req->type = ix;
		1741	req->sv1 = newSVsv (fh);
		1742	req->int1 = fd;
		1743	req->int2 = (long)request;
		1744	req->sv2 = SvREFCNT_inc (arg);
		1745	req->ptr2 = svptr;
		1746
		1747	REQ_SEND;
		1748	}
		1749	}
		1750
		1751	void
1236	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1752	aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1237	ALIAS:	1753	ALIAS:
1238	aio_readlink = EIO_READLINK	1754	aio_readlink = EIO_READLINK
1239	aio_realpath = EIO_REALPATH	1755	aio_realpath = EIO_REALPATH
1240	PPCODE:	1756	PPCODE:
1241	{	1757	{
…		…
1246		1762
1247	REQ_SEND;	1763	REQ_SEND;
1248	}	1764	}
1249		1765
1250	void	1766	void
1251	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1767	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1252	PPCODE:	1768	PPCODE:
1253	{	1769	{
1254	int ifd = s_fileno_croak (in_fh , 0);	1770	int ifd = s_fileno_croak (in_fh , 0);
1255	int ofd = s_fileno_croak (out_fh, 1);	1771	int ofd = s_fileno_croak (out_fh, 1);
1256	dREQ;	1772	dREQ;
1257		1773
1258	req->type = EIO_SENDFILE;	1774	req->type = EIO_SENDFILE;
1259	req->sv1 = newSVsv (out_fh);	1775	req->sv1 = newSVsv (out_fh);
1260	req->int1 = ofd;	1776	req->int1 = ofd;
…		…
1265		1781
1266	REQ_SEND;	1782	REQ_SEND;
1267	}	1783	}
1268		1784
1269	void	1785	void
1270	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1786	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1271	PPCODE:	1787	PPCODE:
1272	{	1788	{
1273	int fd = s_fileno_croak (fh, 0);	1789	int fd = s_fileno_croak (fh, 0);
1274	dREQ;	1790	dREQ;
1275		1791
1276	req->type = EIO_READAHEAD;	1792	req->type = EIO_READAHEAD;
1277	req->sv1 = newSVsv (fh);	1793	req->sv1 = newSVsv (fh);
1278	req->int1 = fd;	1794	req->int1 = fd;
…		…
1281		1797
1282	REQ_SEND;	1798	REQ_SEND;
1283	}	1799	}
1284		1800
1285	void	1801	void
1286	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1802	aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1287	ALIAS:	1803	ALIAS:
1288	aio_stat = EIO_STAT	1804	aio_stat = EIO_STAT
1289	aio_lstat = EIO_LSTAT	1805	aio_lstat = EIO_LSTAT
1290	aio_statvfs = EIO_STATVFS	1806	aio_statvfs = EIO_STATVFS
1291	PPCODE:	1807	PPCODE:
…		…
1294		1810
1295	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);	1811	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1296		1812
1297	REQ_SEND;	1813	REQ_SEND;
1298	}	1814	}
		1815
		1816	void
		1817	st_xtime ()
		1818	ALIAS:
		1819	st_atime = 0x01
		1820	st_mtime = 0x02
		1821	st_ctime = 0x04
		1822	st_btime = 0x08
		1823	st_xtime = 0x0f
		1824	PPCODE:
		1825	EXTEND (SP, 4);
		1826	if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
		1827	if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
		1828	if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
		1829	if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
		1830
		1831	void
		1832	st_xtimensec ()
		1833	ALIAS:
		1834	st_atimensec = 0x01
		1835	st_mtimensec = 0x02
		1836	st_ctimensec = 0x04
		1837	st_btimensec = 0x08
		1838	st_xtimensec = 0x0f
		1839	st_btimesec = 0x10
		1840	st_gen = 0x20
		1841	PPCODE:
		1842	EXTEND (SP, 4);
		1843	if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
		1844	if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
		1845	if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
		1846	if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
		1847	if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
		1848	if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
1299		1849
1300	UV	1850	UV
1301	major (UV dev)	1851	major (UV dev)
1302	ALIAS:	1852	ALIAS:
1303	minor = 1	1853	minor = 1
1304	CODE:	1854	CODE:
1305	RETVAL = ix ? major (dev) : minor (dev);	1855	RETVAL = ix ? minor (dev) : major (dev);
1306	OUTPUT:	1856	OUTPUT:
1307	RETVAL	1857	RETVAL
1308		1858
1309	UV	1859	UV
1310	makedev (UV maj, UV min)	1860	makedev (UV maj, UV min)
…		…
1312	RETVAL = makedev (maj, min);	1862	RETVAL = makedev (maj, min);
1313	OUTPUT:	1863	OUTPUT:
1314	RETVAL	1864	RETVAL
1315		1865
1316	void	1866	void
1317	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1867	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1318	PPCODE:	1868	PPCODE:
1319	{	1869	{
1320	dREQ;	1870	dREQ;
1321		1871
1322	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1872	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
…		…
1325		1875
1326	REQ_SEND;	1876	REQ_SEND;
1327	}	1877	}
1328		1878
1329	void	1879	void
1330	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1880	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1331	PPCODE:	1881	PPCODE:
1332	{	1882	{
1333	dREQ;	1883	dREQ;
1334		1884
1335	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1885	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
…		…
1337		1887
1338	REQ_SEND;	1888	REQ_SEND;
1339	}	1889	}
1340		1890
1341	void	1891	void
1342	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1892	aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1343	PPCODE:	1893	PPCODE:
1344	{	1894	{
1345	dREQ;	1895	dREQ;
1346		1896
1347	req->int2 = mode;	1897	req->int2 = mode;
…		…
1349		1899
1350	REQ_SEND;	1900	REQ_SEND;
1351	}	1901	}
1352		1902
1353	void	1903	void
1354	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef)	1904	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1355	PPCODE:	1905	PPCODE:
1356	{	1906	{
1357	dREQ;	1907	dREQ;
1358		1908
1359	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1909	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
…		…
1362		1912
1363	REQ_SEND;	1913	REQ_SEND;
1364	}	1914	}
1365		1915
1366	void	1916	void
1367	aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)	1917	aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1368	PPCODE:	1918	PPCODE:
1369	{	1919	{
1370	dREQ;	1920	dREQ;
1371		1921
1372	req->type = EIO_READDIR;	1922	req->type = EIO_READDIR;
…		…
1379		1929
1380	REQ_SEND;	1930	REQ_SEND;
1381	}	1931	}
1382		1932
1383	void	1933	void
1384	aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef)	1934	aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1385	PPCODE:	1935	PPCODE:
1386	{	1936	{
1387	dREQ;	1937	dREQ;
1388		1938
1389	req->type = EIO_MKDIR;	1939	req->type = EIO_MKDIR;
…		…
1392		1942
1393	REQ_SEND;	1943	REQ_SEND;
1394	}	1944	}
1395		1945
1396	void	1946	void
1397	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1947	aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1398	ALIAS:	1948	ALIAS:
1399	aio_unlink = EIO_UNLINK	1949	aio_unlink = EIO_UNLINK
1400	aio_rmdir = EIO_RMDIR	1950	aio_rmdir = EIO_RMDIR
1401	aio_readdir = EIO_READDIR	1951	aio_readdir = EIO_READDIR
1402	PPCODE:	1952	PPCODE:
…		…
1408		1958
1409	REQ_SEND;	1959	REQ_SEND;
1410	}	1960	}
1411		1961
1412	void	1962	void
1413	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef)	1963	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1414	ALIAS:	1964	ALIAS:
1415	aio_link = EIO_LINK	1965	aio_link = EIO_LINK
1416	aio_symlink = EIO_SYMLINK	1966	aio_symlink = EIO_SYMLINK
1417	aio_rename = EIO_RENAME	1967	aio_rename = EIO_RENAME
1418	PPCODE:	1968	PPCODE:
…		…
1420	eio_wd wd2 = 0;	1970	eio_wd wd2 = 0;
1421	dREQ;	1971	dREQ;
1422		1972
1423	req->type = ix;	1973	req->type = ix;
1424	req_set_path1 (req, oldpath);	1974	req_set_path1 (req, oldpath);
1425	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);	1975	req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1426	req->int3 = (long)wd2;	1976	req->int3 = (long)wd2;
1427		1977
1428	REQ_SEND;	1978	REQ_SEND;
1429	}	1979	}
1430		1980
1431	void	1981	void
		1982	aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
		1983	PPCODE:
		1984	{
		1985	eio_wd wd2 = 0;
		1986	dREQ;
		1987
		1988	req->type = EIO_RENAME;
		1989	req_set_path1 (req, oldpath);
		1990	req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
		1991	req->int2 = flags;
		1992	req->int3 = (long)wd2;
		1993
		1994	REQ_SEND;
		1995	}
		1996
		1997	void
1432	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef)	1998	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1433	PPCODE:	1999	PPCODE:
1434	{	2000	{
1435	dREQ;	2001	dREQ;
1436		2002
1437	req->type = EIO_MKNOD;	2003	req->type = EIO_MKNOD;
…		…
1441		2007
1442	REQ_SEND;	2008	REQ_SEND;
1443	}	2009	}
1444		2010
1445	void	2011	void
1446	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	2012	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1447	ALIAS:	2013	ALIAS:
1448	aio_mtouch = EIO_MTOUCH	2014	aio_mtouch = EIO_MTOUCH
1449	aio_msync = EIO_MSYNC	2015	aio_msync = EIO_MSYNC
1450	PPCODE:	2016	PPCODE:
1451	{	2017	{
1452	STRLEN svlen;	2018	STRLEN svlen;
1453	char *svptr = SvPVbyte (data, svlen);	2019	char *svptr = SvPVbyte (data, svlen);
1454	UV len = SvUV (length);	2020	UV len = SvUV (length);
		2021
		2022	if (flags < 0)
		2023	flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1455		2024
1456	if (offset < 0)	2025	if (offset < 0)
1457	offset += svlen;	2026	offset += svlen;
1458		2027
1459	if (offset < 0 || offset > svlen)	2028	if (offset < 0 || offset > svlen)
…		…
1474	REQ_SEND;	2043	REQ_SEND;
1475	}	2044	}
1476	}	2045	}
1477		2046
1478	void	2047	void
1479	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)	2048	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1480	PPCODE:	2049	PPCODE:
1481	{	2050	{
1482	STRLEN svlen;	2051	STRLEN svlen;
1483	char *svptr = SvPVbyte (data, svlen);	2052	char *svptr = SvPVbyte (data, svlen);
1484	UV len = SvUV (length);	2053	UV len = SvUV (length);
…		…
1503	REQ_SEND;	2072	REQ_SEND;
1504	}	2073	}
1505	}	2074	}
1506		2075
1507	void	2076	void
1508	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)	2077	aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1509	PPCODE:	2078	PPCODE:
1510	{	2079	{
1511	dREQ;	2080	dREQ;
1512		2081
1513	req->type = EIO_MLOCKALL;	2082	req->type = EIO_MLOCKALL;
…		…
1515		2084
1516	REQ_SEND;	2085	REQ_SEND;
1517	}	2086	}
1518		2087
1519	void	2088	void
1520	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback=&PL_sv_undef)	2089	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
1521	PPCODE:	2090	PPCODE:
1522	{	2091	{
1523	int fd = s_fileno_croak (fh, 0);	2092	int fd = s_fileno_croak (fh, 0);
1524	dREQ;	2093	dREQ;
1525		2094
1526	req->type = EIO_CUSTOM;	2095	req->type = EIO_CUSTOM;
1527	req->sv1 = newSVsv (fh);	2096	req->sv1 = newSVsv (fh);
1528	req->int1 = fd;	2097	req->int1 = fd;
1529		2098
1530	req->feed = fiemap;	2099	req->feed = fiemap;
		2100	#if HAVE_FIEMAP
1531	/* keep our fingers crossed that the next two types are 64 bit */	2101	/* keep our fingers crossed that the next two types are 64 bit */
1532	req->offs = start;	2102	req->offs = start;
1533	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;	2103	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
1534	req->int2 = flags;	2104	req->int2 = flags;
1535	req->int3 = SvOK (count) ? SvIV (count) : -1;	2105	req->int3 = SvOK (count) ? SvIV (count) : -1;
		2106	#endif
1536		2107
1537	REQ_SEND;	2108	REQ_SEND;
1538	}	2109	}
1539		2110
1540	void	2111	void
		2112	aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
		2113	PPCODE:
		2114	{
		2115	char *svptr = 0;
		2116
		2117	sv_clear_foreign (data);
		2118
		2119	if (length) /* known length, directly read into scalar */
		2120	{
		2121	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
		2122	svptr = sv_grow (data, length + 1);
		2123	else if (SvCUR (data) < length)
		2124	croak ("length outside of scalar, and cannot grow");
		2125	else
		2126	svptr = SvPVbyte_nolen (data);
		2127	}
		2128
		2129	{
		2130	dREQ;
		2131
		2132	req->type = EIO_SLURP;
		2133	req_set_path1 (req, pathname);
		2134	req->offs = offset;
		2135	req->size = length;
		2136	req->sv2 = SvREFCNT_inc (data);
		2137	req->ptr2 = svptr;
		2138
		2139	if (!SvREADONLY (data))
		2140	{
		2141	SvREADONLY_on (data);
		2142	req->flags |= FLAG_SV2_RO_OFF;
		2143	}
		2144
		2145	REQ_SEND;
		2146	}
		2147	}
		2148
		2149	void
1541	aio_busy (double delay, SV *callback=&PL_sv_undef)	2150	aio_busy (double delay, SV *callback = &PL_sv_undef)
1542	PPCODE:	2151	PPCODE:
1543	{	2152	{
1544	dREQ;	2153	dREQ;
1545		2154
1546	req->type = EIO_BUSY;	2155	req->type = EIO_BUSY;
…		…
1548		2157
1549	REQ_SEND;	2158	REQ_SEND;
1550	}	2159	}
1551		2160
1552	void	2161	void
1553	aio_group (SV *callback=&PL_sv_undef)	2162	aio_group (SV *callback = &PL_sv_undef)
1554	PPCODE:	2163	PPCODE:
1555	{	2164	{
1556	dREQ;	2165	dREQ;
1557		2166
1558	req->type = EIO_GROUP;	2167	req->type = EIO_GROUP;
1559		2168
		2169	PUTBACK;
1560	req_submit (req);	2170	req_submit (req);
		2171	SPAGAIN;
		2172
1561	XPUSHs (req_sv (req, aio_grp_stash));	2173	XPUSHs (req_sv (req, aio_grp_stash));
1562	}	2174	}
1563		2175
1564	void	2176	void
1565	aio_nop (SV *callback=&PL_sv_undef)	2177	aio_nop (SV *callback = &PL_sv_undef)
1566	ALIAS:	2178	ALIAS:
1567	aio_nop = EIO_NOP	2179	aio_nop = EIO_NOP
1568	aio_sync = EIO_SYNC	2180	aio_sync = EIO_SYNC
1569	PPCODE:	2181	PPCODE:
1570	{	2182	{
…		…
1574		2186
1575	REQ_SEND;	2187	REQ_SEND;
1576	}	2188	}
1577		2189
1578	int	2190	int
1579	aioreq_pri (int pri = 0)	2191	aioreq_pri (int pri = NO_INIT)
1580	CODE:	2192	CODE:
1581	RETVAL = next_pri;	2193	RETVAL = next_pri;
1582	if (items > 0)	2194	if (items > 0)
1583	{	2195	{
1584	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	2196	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1674	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	2286	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1675	OUTPUT:	2287	OUTPUT:
1676	RETVAL	2288	RETVAL
1677		2289
1678	void	2290	void
1679	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)	2291	mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1680	PPCODE:	2292	PPCODE:
1681	sv_unmagic (scalar, MMAP_MAGIC);	2293	sv_clear_foreign (scalar);
1682	{	2294	{
1683	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	2295	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1684	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	2296	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1685	if (addr == (void *)-1)	2297	if (addr == (void *)-1)
1686	XSRETURN_NO;	2298	XSRETURN_NO;
1687		2299
1688	sv_force_normal (scalar);	2300	sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1689
1690	/* we store the length in mg_obj, as namlen is I32 :/ */
1691	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1692	->mg_obj = (SV *)length;
1693
1694	SvUPGRADE (scalar, SVt_PV); /* nop... */
1695		2301
1696	if (!(prot & PROT_WRITE))	2302	if (!(prot & PROT_WRITE))
1697	SvREADONLY_on (scalar);	2303	SvREADONLY_on (scalar);
1698		2304
1699	if (SvLEN (scalar))
1700	Safefree (SvPVX (scalar));
1701
1702	SvPVX (scalar) = (char *)addr;
1703	SvCUR_set (scalar, length);
1704	SvLEN_set (scalar, 0);
1705	SvPOK_only (scalar);
1706
1707	XSRETURN_YES;	2305	XSRETURN_YES;
1708	}	2306	}
1709		2307
1710	void	2308	void
1711	munmap (SV *scalar)	2309	munmap (SV *scalar)
1712	CODE:	2310	CODE:
1713	sv_unmagic (scalar, MMAP_MAGIC);	2311	sv_clear_foreign (scalar);
		2312
		2313	SV *
		2314	mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
		2315	CODE:
		2316	{
		2317	MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
		2318	void *new;
		2319
		2320	if (!mg || SvPVX (scalar) != mg->mg_ptr)
		2321	croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
		2322
		2323	new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
		2324
		2325	RETVAL = &PL_sv_no;
		2326
		2327	if (new != (void *)-1)
		2328	{
		2329	RETVAL = new == (void *)mg->mg_ptr
		2330	? newSVpvn ("0 but true", 10)
		2331	: &PL_sv_yes;
		2332
		2333	mg->mg_ptr = (char *)new;
		2334	mg->mg_obj = (SV *)new_length;
		2335
		2336	SvPVX (scalar) = mg->mg_ptr;
		2337	SvCUR_set (scalar, new_length);
		2338	}
		2339	}
		2340	OUTPUT:
		2341	RETVAL
1714		2342
1715	int	2343	int
1716	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)	2344	madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1717	ALIAS:	2345	ALIAS:
1718	mprotect = 1	2346	mprotect = 1
1719	CODE:	2347	CODE:
1720	{	2348	{
1721	STRLEN svlen;	2349	STRLEN svlen;
1722	void *addr = SvPVbyte (scalar, svlen);	2350	void *addr = SvPVbyte (scalar, svlen);
1723	size_t len = SvUV (length);	2351	STRLEN len = SvUV (length);
1724		2352
1725	if (offset < 0)	2353	if (offset < 0)
1726	offset += svlen;	2354	offset += svlen;
1727		2355
1728	if (offset < 0 || offset > svlen)	2356	if (offset < 0 || offset > svlen)
…		…
1742	}	2370	}
1743	OUTPUT:	2371	OUTPUT:
1744	RETVAL	2372	RETVAL
1745		2373
1746	int	2374	int
1747	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)	2375	munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
1748	CODE:	2376	CODE:
1749	{	2377	{
1750	STRLEN svlen;	2378	STRLEN svlen;
1751	void *addr = SvPVbyte (scalar, svlen);	2379	void *addr = SvPVbyte (scalar, svlen);
1752	size_t len = SvUV (length);	2380	size_t len = SvUV (length);
1753		2381
1754	if (offset < 0)	2382	if (offset < 0)
1755	offset += svlen;	2383	offset += svlen;
1756		2384
…		…
1763	addr = (void *)(((intptr_t)addr) + offset);	2391	addr = (void *)(((intptr_t)addr) + offset);
1764	eio_page_align (&addr, &len);	2392	eio_page_align (&addr, &len);
1765	#if _POSIX_MEMLOCK_RANGE	2393	#if _POSIX_MEMLOCK_RANGE
1766	RETVAL = munlock (addr, len);	2394	RETVAL = munlock (addr, len);
1767	#else	2395	#else
1768	RETVAL = ((errno = ENOSYS), -1);	2396	RETVAL = EIO_ENOSYS ();
1769	#endif	2397	#endif
1770	}	2398	}
1771	OUTPUT:	2399	OUTPUT:
		2400	RETVAL
		2401
		2402	int
		2403	mlockall (int flags)
		2404	PROTOTYPE: $;
		2405	CODE:
		2406	RETVAL = eio_mlockall_sync (flags);
		2407	OUTPUT:
1772	RETVAL	2408	RETVAL
1773		2409
1774	int	2410	int
1775	munlockall ()	2411	munlockall ()
1776	CODE:	2412	CODE:
1777	#if _POSIX_MEMLOCK	2413	#if _POSIX_MEMLOCK
1778	munlockall ();	2414	munlockall ();
1779	#else	2415	#else
1780	RETVAL = -1;	2416	RETVAL = EIO_ENOSYS ();
1781	errno = ENOSYS;
1782	#endif	2417	#endif
1783	OUTPUT:	2418	OUTPUT:
1784	RETVAL	2419	RETVAL
		2420
		2421	int
		2422	statx (SV8 *pathname, int flags, UV mask)
		2423	CODE:
		2424	{
		2425	/* undocumented, and might go away, and anyway, should use eio_statx */
		2426	SV *wdsv = 0;
		2427	SV *pathsv = 0;
		2428	eio_wd wd = EIO_CWD;
		2429	void *ptr;
		2430	int res;
		2431
		2432	req_set_path (pathname, &wdsv, &pathsv, &wd, &ptr);
		2433	RETVAL = eio__statx (!wd || wd->fd == EIO_CWD ? AT_FDCWD : wd->fd, ptr, flags, mask & STATX_ALL, &stx);
		2434
		2435	SvREFCNT_dec (pathsv);
		2436	SvREFCNT_dec (wdsv);
		2437	}
		2438	OUTPUT:
		2439	RETVAL
		2440
		2441	U32
		2442	stx_mode ()
		2443	PROTOTYPE:
		2444	CODE:
		2445	#if HAVE_STATX
		2446	RETVAL = stx.stx_mode;
		2447	#else
		2448	XSRETURN_UNDEF;
		2449	#endif
		2450	OUTPUT:
		2451	RETVAL
		2452
		2453	#define STATX_OFFSET_mask statx_offsetof (stx_mask)
		2454	#define STATX_OFFSET_blksize statx_offsetof (stx_blksize)
		2455	#define STATX_OFFSET_nlink statx_offsetof (stx_nlink)
		2456	#define STATX_OFFSET_uid statx_offsetof (stx_uid)
		2457	#define STATX_OFFSET_gid statx_offsetof (stx_gid)
		2458	#define STATX_OFFSET_rdev_major statx_offsetof (stx_rdev_major)
		2459	#define STATX_OFFSET_rdev_minor statx_offsetof (stx_rdev_minor)
		2460	#define STATX_OFFSET_dev_major statx_offsetof (stx_dev_major)
		2461	#define STATX_OFFSET_dev_minor statx_offsetof (stx_dev_minor)
		2462	#define STATX_OFFSET_attributes statx_offsetof (stx_attributes)
		2463	#define STATX_OFFSET_ino statx_offsetof (stx_ino)
		2464	#define STATX_OFFSET_size statx_offsetof (stx_size)
		2465	#define STATX_OFFSET_blocks statx_offsetof (stx_blocks)
		2466	#define STATX_OFFSET_attributes_mask statx_offsetof (stx_attributes_mask)
		2467	#define STATX_OFFSET_atime statx_offsetof (stx_atime)
		2468	#define STATX_OFFSET_btime statx_offsetof (stx_btime)
		2469	#define STATX_OFFSET_ctime statx_offsetof (stx_ctime)
		2470	#define STATX_OFFSET_mtime statx_offsetof (stx_mtime)
		2471
		2472	U32
		2473	stx_mask ()
		2474	PROTOTYPE:
		2475	ALIAS:
		2476	stx_mask = STATX_OFFSET_mask
		2477	stx_blksize = STATX_OFFSET_blksize
		2478	stx_nlink = STATX_OFFSET_nlink
		2479	stx_uid = STATX_OFFSET_uid
		2480	stx_gid = STATX_OFFSET_gid
		2481	stx_rdev_major = STATX_OFFSET_rdev_major
		2482	stx_rdev_minor = STATX_OFFSET_rdev_minor
		2483	stx_dev_major = STATX_OFFSET_dev_major
		2484	stx_dev_minor = STATX_OFFSET_dev_minor
		2485	CODE:
		2486	#if HAVE_STATX
		2487	RETVAL = *(__u32 *)((char *)&stx + ix);
		2488	#else
		2489	XSRETURN_UNDEF;
		2490	#endif
		2491	OUTPUT:
		2492	RETVAL
		2493
		2494	VAL64
		2495	stx_attributes ()
		2496	PROTOTYPE:
		2497	ALIAS:
		2498	stx_attributes = STATX_OFFSET_attributes
		2499	stx_ino = STATX_OFFSET_ino
		2500	stx_size = STATX_OFFSET_size
		2501	stx_blocks = STATX_OFFSET_blocks
		2502	stx_attributes_mask = STATX_OFFSET_attributes_mask
		2503	CODE:
		2504	#if HAVE_STATX
		2505	RETVAL = *(__u64 *)((char *)&stx + ix);
		2506	#else
		2507	XSRETURN_UNDEF;
		2508	#endif
		2509	OUTPUT:
		2510	RETVAL
		2511
		2512	NV
		2513	stx_atime ()
		2514	PROTOTYPE:
		2515	ALIAS:
		2516	stx_atime = STATX_OFFSET_atime
		2517	stx_btime = STATX_OFFSET_btime
		2518	stx_ctime = STATX_OFFSET_ctime
		2519	stx_mtime = STATX_OFFSET_mtime
		2520	CODE:
		2521	#if HAVE_STATX
		2522	struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
		2523	RETVAL = ts->tv_sec + ts->tv_nsec * 1e-9;
		2524	#else
		2525	XSRETURN_UNDEF;
		2526	#endif
		2527	OUTPUT:
		2528	RETVAL
		2529
		2530	VAL64
		2531	stx_atimesec ()
		2532	PROTOTYPE:
		2533	ALIAS:
		2534	stx_atimesec = STATX_OFFSET_atime
		2535	stx_btimesec = STATX_OFFSET_btime
		2536	stx_ctimesec = STATX_OFFSET_ctime
		2537	stx_mtimesec = STATX_OFFSET_mtime
		2538	CODE:
		2539	#if HAVE_STATX
		2540	struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
		2541	RETVAL = ts->tv_sec;
		2542	#else
		2543	XSRETURN_UNDEF;
		2544	#endif
		2545	OUTPUT:
		2546	RETVAL
		2547
		2548	U32
		2549	stx_atimensec ()
		2550	PROTOTYPE:
		2551	ALIAS:
		2552	stx_atimensec = STATX_OFFSET_atime
		2553	stx_btimensec = STATX_OFFSET_btime
		2554	stx_ctimensec = STATX_OFFSET_ctime
		2555	stx_mtimensec = STATX_OFFSET_mtime
		2556	CODE:
		2557	#if HAVE_STATX
		2558	struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
		2559	RETVAL = ts->tv_nsec;
		2560	#else
		2561	RETVAL = 0;
		2562	#endif
		2563	OUTPUT:
		2564	RETVAL
		2565
		2566	void
		2567	accept4 (aio_rfd rfh, SV *sockaddr, int salen, int flags)
		2568	PPCODE:
		2569	{
		2570	SV *retval;
		2571	#if HAVE_ACCEPT4
		2572	socklen_t salen_ = salen ? salen + 1 : 0;
		2573
		2574	if (salen)
		2575	{
		2576	sv_upgrade (sockaddr, SVt_PV);
		2577	sv_grow (sockaddr, salen_);
		2578	}
		2579
		2580	int res = accept4 (rfh, salen ? (struct sockaddr *)SvPVX (sockaddr) : 0, salen ? &salen_ : 0, flags);
		2581
		2582	retval = newmortalFH (res, O_RDWR);
		2583
		2584	if (res >= 0 && salen > 0)
		2585	{
		2586	if (salen_ > salen + 1)
		2587	salen_ = salen + 1;
		2588
		2589	SvPOK_only (sockaddr);
		2590	SvCUR_set (sockaddr, salen_);
		2591	}
		2592	#else
		2593	errno = ENOSYS;
		2594	retval = &PL_sv_undef;
		2595	#endif
		2596	XPUSHs (retval);
		2597	}
		2598
		2599	ssize_t
		2600	splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
		2601	CODE:
		2602	{
		2603	#if HAVE_LINUX_SPLICE
		2604	loff_t off_in_, off_out_;
		2605	RETVAL = splice (
		2606	rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
		2607	wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
		2608	length, flags
		2609	);
		2610	#else
		2611	RETVAL = EIO_ENOSYS ();
		2612	#endif
		2613	}
		2614	OUTPUT:
		2615	RETVAL
		2616
		2617	ssize_t
		2618	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
		2619	CODE:
		2620	#if HAVE_LINUX_SPLICE
		2621	RETVAL = tee (rfh, wfh, length, flags);
		2622	#else
		2623	RETVAL = EIO_ENOSYS ();
		2624	#endif
		2625	OUTPUT:
		2626	RETVAL
		2627
		2628	int
		2629	pipesize (aio_rfd rfh, int new_size = -1)
		2630	PROTOTYPE: $;$
		2631	CODE:
		2632	#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
		2633	if (new_size >= 0)
		2634	RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
		2635	else
		2636	RETVAL = fcntl (rfh, F_GETPIPE_SZ);
		2637	#else
		2638	errno = ENOSYS;
		2639	RETVAL = -1;
		2640	#endif
		2641	OUTPUT:
		2642	RETVAL
		2643
		2644	void
		2645	pipe2 (int flags = 0)
		2646	PROTOTYPE: ;$
		2647	PPCODE:
		2648	{
		2649	int fd[2];
		2650	int res;
		2651
		2652	if (flags)
		2653	#if HAVE_PIPE2
		2654	res = pipe2 (fd, flags);
		2655	#else
		2656	res = (errno = ENOSYS, -1);
		2657	#endif
		2658	else
		2659	res = pipe (fd);
		2660
		2661	if (!res)
		2662	{
		2663	EXTEND (SP, 2);
		2664	PUSHs (newmortalFH (fd[0], O_RDONLY));
		2665	PUSHs (newmortalFH (fd[1], O_WRONLY));
		2666	}
		2667	}
		2668
		2669	void
		2670	pidfd_open (int pid, unsigned int flags = 0)
		2671	PPCODE:
		2672	{
		2673	/*GENDEF0_SYSCALL(pidfd_open,434)*/
		2674	int fd = syscall (SYS_pidfd_open, pid, flags);
		2675	XPUSHs (newmortalFH (fd, O_RDWR));
		2676	}
		2677
		2678	int
		2679	pidfd_send_signal (SV *pidfh, int sig, SV *siginfo = &PL_sv_undef, unsigned int flags = 0)
		2680	PPCODE:
		2681	{
		2682	int res;
		2683	siginfo_t si = { 0 };
		2684
		2685	if (SvOK (siginfo))
		2686	{
		2687	HV *hv;
		2688	SV **svp;
		2689
		2690	if (!SvROK (siginfo) || SvTYPE (SvRV (siginfo)) != SVt_PVHV)
		2691	croak ("siginfo argument must be a hashref code, pid, uid and value_int or value_ptr members, caught");
		2692
		2693	hv = (HV *)SvRV (siginfo);
		2694
		2695	if ((svp = hv_fetchs (hv, "code" , 0))) si.si_code = SvIV (*svp);
		2696	if ((svp = hv_fetchs (hv, "pid" , 0))) si.si_pid = SvIV (*svp);
		2697	if ((svp = hv_fetchs (hv, "uid" , 0))) si.si_uid = SvIV (*svp);
		2698	if ((svp = hv_fetchs (hv, "value_int", 0))) si.si_value.sival_int = SvIV (*svp);
		2699	if ((svp = hv_fetchs (hv, "value_ptr", 0))) si.si_value.sival_ptr = (void *)SvIV (*svp);
		2700	}
		2701
		2702	/*GENDEF0_SYSCALL(pidfd_send_signal,424)*/
		2703	res = syscall (SYS_pidfd_send_signal, s_fileno_croak (pidfh, 0), sig, SvOK (siginfo) ? &si : 0, flags);
		2704
		2705	XPUSHs (sv_2mortal (newSViv (res)));
		2706	}
		2707
		2708	void
		2709	pidfd_getfd (SV *pidfh, int targetfd, unsigned int flags = 0)
		2710	PPCODE:
		2711	{
		2712	/*GENDEF0_SYSCALL(pidfd_getfd,438)*/
		2713	int fd = syscall (SYS_pidfd_getfd, s_fileno_croak (pidfh, 0), targetfd, flags);
		2714	XPUSHs (newmortalFH (fd, O_RDWR));
		2715	}
		2716
		2717	void
		2718	eventfd (unsigned int initval = 0, int flags = 0)
		2719	PPCODE:
		2720	{
		2721	int fd;
		2722	#if HAVE_EVENTFD
		2723	fd = eventfd (initval, flags);
		2724	#else
		2725	fd = (errno = ENOSYS, -1);
		2726	#endif
		2727
		2728	XPUSHs (newmortalFH (fd, O_RDWR));
		2729	}
		2730
		2731	void
		2732	timerfd_create (int clockid, int flags = 0)
		2733	PPCODE:
		2734	{
		2735	int fd;
		2736	#if HAVE_TIMERFD
		2737	fd = timerfd_create (clockid, flags);
		2738	#else
		2739	fd = (errno = ENOSYS, -1);
		2740	#endif
		2741
		2742	XPUSHs (newmortalFH (fd, O_RDWR));
		2743	}
		2744
		2745	void
		2746	timerfd_settime (SV *fh, int flags, NV interval, NV value)
		2747	PPCODE:
		2748	{
		2749	int fd = s_fileno_croak (fh, 0);
		2750	#if HAVE_TIMERFD
		2751	int res;
		2752	struct itimerspec its, ots;
		2753
		2754	ts_set (&its.it_interval, interval);
		2755	ts_set (&its.it_value , value);
		2756	res = timerfd_settime (fd, flags, &its, &ots);
		2757
		2758	if (!res)
		2759	{
		2760	EXTEND (SP, 2);
		2761	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2762	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2763	}
		2764	#else
		2765	errno = ENOSYS;
		2766	#endif
		2767	}
		2768
		2769	void
		2770	timerfd_gettime (SV *fh)
		2771	PPCODE:
		2772	{
		2773	int fd = s_fileno_croak (fh, 0);
		2774	#if HAVE_TIMERFD
		2775	int res;
		2776	struct itimerspec ots;
		2777	res = timerfd_gettime (fd, &ots);
		2778
		2779	if (!res)
		2780	{
		2781	EXTEND (SP, 2);
		2782	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2783	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2784	}
		2785	#else
		2786	errno = ENOSYS;
		2787	#endif
		2788	}
		2789
		2790	void
		2791	memfd_create (SV8 *pathname, int flags = 0)
		2792	PPCODE:
		2793	{
		2794	int fd;
		2795	#if HAVE_MEMFD_CREATE
		2796	fd = memfd_create (SvPVbyte_nolen (pathname), flags);
		2797	#else
		2798	fd = (errno = ENOSYS, -1);
		2799	#endif
		2800
		2801	XPUSHs (newmortalFH (fd, O_RDWR));
		2802	}
		2803
		2804	UV
		2805	get_fdlimit ()
		2806	CODE:
		2807	#if HAVE_RLIMITS
		2808	struct rlimit rl;
		2809	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2810	XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
		2811	#endif
		2812	XSRETURN_UNDEF;
		2813	OUTPUT:
		2814	RETVAL
		2815
		2816	void
		2817	min_fdlimit (UV limit = 0x7fffffffU)
		2818	CODE:
		2819	{
		2820	#if HAVE_RLIMITS
		2821	struct rlimit rl;
		2822	rlim_t orig_rlim_max;
		2823	UV bit;
		2824
		2825	if (0 != getrlimit (RLIMIT_NOFILE, &rl))
		2826	goto fail;
		2827
		2828	if (rl.rlim_cur == RLIM_INFINITY)
		2829	XSRETURN_YES;
		2830
		2831	orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
		2832
		2833	if (rl.rlim_cur < limit)
		2834	{
		2835	rl.rlim_cur = limit;
		2836
		2837	if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
		2838	rl.rlim_max = rl.rlim_cur;
		2839	}
		2840
		2841	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2842	XSRETURN_YES;
		2843
		2844	if (errno == EPERM)
		2845	{
		2846	/* setrlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
		2847	/* our limit overflows a system-wide limit */
		2848	/* try an adaptive algorithm, but do not lower the hardlimit */
		2849	rl.rlim_max = 0;
		2850	for (bit = 0x40000000U; bit; bit >>= 1)
		2851	{
		2852	rl.rlim_max |= bit;
		2853	rl.rlim_cur = rl.rlim_max;
		2854
		2855	/* never decrease the hard limit */
		2856	if (rl.rlim_max < orig_rlim_max)
		2857	break;
		2858
		2859	if (0 != setrlimit (RLIMIT_NOFILE, &rl))
		2860	rl.rlim_max &= ~bit; /* too high, remove bit again */
		2861	}
		2862
		2863	/* now, raise the soft limit to the max permitted */
		2864	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2865	{
		2866	rl.rlim_cur = rl.rlim_max;
		2867	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2868	errno = EPERM;
		2869	}
		2870	}
		2871	#endif
		2872	fail:
		2873	XSRETURN_UNDEF;
		2874	}
1785		2875
1786	void _on_next_submit (SV *cb)	2876	void _on_next_submit (SV *cb)
1787	CODE:	2877	CODE:
1788	SvREFCNT_dec (on_next_submit);	2878	SvREFCNT_dec (on_next_submit);
1789	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	2879	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
…		…
1824	cancel (aio_req_ornot req)	2914	cancel (aio_req_ornot req)
1825	CODE:	2915	CODE:
1826	eio_cancel (req);	2916	eio_cancel (req);
1827		2917
1828	void	2918	void
1829	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	2919	cb (aio_req_ornot req, SV *callback = NO_INIT)
1830	PPCODE:	2920	PPCODE:
1831	{	2921	{
1832	if (GIMME_V != G_VOID)	2922	if (GIMME_V != G_VOID)
1833	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	2923	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1834		2924
1835	if (items > 1)	2925	if (items > 1)
1836	{	2926	{
1837	SV *cb_cv =get_cb (callback);	2927	SV *cb_cv = get_cb (callback);
1838		2928
1839	SvREFCNT_dec (req->callback);	2929	SvREFCNT_dec (req->callback);
1840	req->callback = SvREFCNT_inc (cb_cv);	2930	req->callback = SvREFCNT_inc (cb_cv);
1841	}	2931	}
1842	}	2932	}
…		…
1899	limit (aio_req grp, int limit)	2989	limit (aio_req grp, int limit)
1900	CODE:	2990	CODE:
1901	eio_grp_limit (grp, limit);	2991	eio_grp_limit (grp, limit);
1902		2992
1903	void	2993	void
1904	feed (aio_req grp, SV *callback=&PL_sv_undef)	2994	feed (aio_req grp, SV *callback = &PL_sv_undef)
1905	CODE:	2995	CODE:
1906	{	2996	{
1907	SvREFCNT_dec (grp->sv2);	2997	SvREFCNT_dec (grp->sv2);
1908	grp->sv2 = newSVsv (callback);	2998	grp->sv2 = newSVsv (callback);
1909	grp->feed = aio_grp_feed;	2999	grp->feed = aio_grp_feed;

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