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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 1.285 by root, Tue Dec 29 15:16:28 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		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
…		…
97		104
98	#define expect_false(expr) expect ((expr) != 0, 0)	105	#define expect_false(expr) expect ((expr) != 0, 0)
99	#define expect_true(expr) expect ((expr) != 0, 1)	106	#define expect_true(expr) expect ((expr) != 0, 1)
100		107
101	/*****************************************************************************/	108	/*****************************************************************************/
		109
		110	#include "config.h"
		111
		112	#if HAVE_SYS_MKDEV_H
		113	# include <sys/mkdev.h>
		114	#elif HAVE_SYS_SYSMACROS_H
		115	# include <sys/sysmacros.h>
		116	#endif
		117
		118	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
		119	# include <sys/mman.h>
		120	#endif
		121
		122	#if HAVE_SYS_UIO_H
		123	# include <sys/uio.h>
		124	#endif
		125
		126	#if HAVE_ST_XTIMENSEC
		127	# define ATIMENSEC PL_statcache.st_atimensec
		128	# define MTIMENSEC PL_statcache.st_mtimensec
		129	# define CTIMENSEC PL_statcache.st_ctimensec
		130	#elif HAVE_ST_XTIMESPEC
		131	# define ATIMENSEC PL_statcache.st_atim.tv_nsec
		132	# define MTIMENSEC PL_statcache.st_mtim.tv_nsec
		133	# define CTIMENSEC PL_statcache.st_ctim.tv_nsec
		134	#else
		135	# define ATIMENSEC 0
		136	# define MTIMENSEC 0
		137	# define CTIMENSEC 0
		138	#endif
		139
		140	#if HAVE_ST_BIRTHTIMENSEC
		141	# define BTIMESEC PL_statcache.st_birthtime
		142	# define BTIMENSEC PL_statcache.st_birthtimensec
		143	#elif HAVE_ST_BIRTHTIMESPEC
		144	# define BTIMESEC PL_statcache.st_birthtim.tv_sec
		145	# define BTIMENSEC PL_statcache.st_birthtim.tv_nsec
		146	#else
		147	# define BTIMESEC 0
		148	# define BTIMENSEC 0
		149	#endif
		150
		151	#if HAVE_ST_GEN
		152	# define ST_GEN PL_statcache.st_gen
		153	#else
		154	# define ST_GEN 0
		155	#endif
		156
		157	#include "schmorp.h"
		158
		159	#if HAVE_EVENTFD
		160	# include <sys/eventfd.h>
		161	#endif
		162
		163	#if HAVE_TIMERFD
		164	# include <sys/timerfd.h>
		165	#endif
		166
		167	#if HAVE_RLIMITS
		168	#include <sys/time.h>
		169	#include <sys/resource.h>
		170	#endif
102		171
103	typedef SV SV8; /* byte-sv, used for argument-checking */	172	typedef SV SV8; /* byte-sv, used for argument-checking */
104	typedef int aio_rfd; /* read file desriptor */	173	typedef int aio_rfd; /* read file desriptor */
105	typedef int aio_wfd; /* write file descriptor */	174	typedef int aio_wfd; /* write file descriptor */
106		175
…		…
113	STRLEN stroffset; \	182	STRLEN stroffset; \
114	SV *self;	183	SV *self;
115		184
116	#define EIO_NO_WRAPPERS 1	185	#define EIO_NO_WRAPPERS 1
117		186
118	#include "libeio/config.h"
119	#include "libeio/eio.h"	187	#include "libeio/eio.h"
120		188
121	static int req_invoke (eio_req *req);	189	static int req_invoke (eio_req *req);
122	#define EIO_FINISH(req) req_invoke (req)	190	#define EIO_FINISH(req) req_invoke (req)
123	static void req_destroy (eio_req *grp);	191	static void req_destroy (eio_req *grp);
…		…
139	# else	207	# else
140	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	208	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
141	# endif	209	# endif
142	#endif	210	#endif
143		211
144	/* defines all sorts of constants to 0 unless they are already defined */
145	#include "def0.h"
146
147	#ifndef makedev	212	#ifndef makedev
148	# define makedev(maj,min) (((maj) << 8) | (min))	213	# define makedev(maj,min) (((maj) << 8) | (min))
149	#endif	214	#endif
150	#ifndef major	215	#ifndef major
151	# define major(dev) ((dev) >> 8)	216	# define major(dev) ((dev) >> 8)
152	#endif	217	#endif
153	#ifndef minor	218	#ifndef minor
154	# define minor(dev) ((dev) & 0xff)	219	# define minor(dev) ((dev) & 0xff)
155	#endif	220	#endif
156		221
		222	/* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */
		223	#ifdef __sun
157	#ifndef PAGESIZE	224	# undef PAGESIZE
		225	#endif
		226
		227	#if PAGESIZE <= 0
158	# define PAGESIZE sysconf (_SC_PAGESIZE)	228	# define PAGESIZE sysconf (_SC_PAGESIZE)
159	#endif	229	#endif
		230
		231	#if HAVE_SYSCALL
		232	#include <sys/syscall.h>
		233	#else
		234	# define syscall(nr,...) (errno = ENOSYS, -1)
		235	#endif
		236
		237	/*****************************************************************************/
		238
		239	#if !_POSIX_MAPPED_FILES
		240	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
		241	# define munmap(addr,length) EIO_ENOSYS ()
		242	#endif
		243
		244	#if !_POSIX_MEMORY_PROTECTION
		245	# define mprotect(addr,len,prot) EIO_ENOSYS ()
		246	#endif
		247
		248	#if !MREMAP_MAYMOVE
		249	# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
		250	#endif
		251
		252	#define FOREIGN_MAGIC PERL_MAGIC_ext
		253
		254	static int ecb_cold
		255	mmap_free (pTHX_ SV *sv, MAGIC *mg)
		256	{
		257	int old_errno = errno;
		258	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		259	errno = old_errno;
		260
		261	mg->mg_obj = 0; /* just in case */
		262
		263	SvREADONLY_off (sv);
		264
		265	if (SvPVX (sv) != mg->mg_ptr)
		266	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		267
		268	SvCUR_set (sv, 0);
		269	SvPVX (sv) = 0;
		270	SvOK_off (sv);
		271
		272	return 0;
		273	}
		274
		275	static MGVTBL mmap_vtbl = {
		276	0, 0, 0, 0, mmap_free
		277	};
		278
		279	static int ecb_cold
		280	sysfree_free (pTHX_ SV *sv, MAGIC *mg)
		281	{
		282	free (mg->mg_ptr);
		283	mg->mg_obj = 0; /* just in case */
		284
		285	SvREADONLY_off (sv);
		286
		287	if (SvPVX (sv) != mg->mg_ptr)
		288	croak ("ERROR: IO::AIO mapped scalar changed location, detected");
		289
		290	SvCUR_set (sv, 0);
		291	SvPVX (sv) = 0;
		292	SvOK_off (sv);
		293
		294	return 0;
		295	}
		296
		297	static MGVTBL sysfree_vtbl = {
		298	0, 0, 0, 0, sysfree_free
		299	};
		300
		301	/*****************************************************************************/
		302
		303	/* helper: set scalar to foreign ptr with custom free */
		304	ecb_noinline
		305	static void
		306	sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
		307	{
		308	sv_force_normal (sv);
		309
		310	/* we store the length in mg_obj, as namlen is I32 :/ */
		311	sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
		312	->mg_obj = (SV *)length;
		313
		314	SvUPGRADE (sv, SVt_PV); /* nop... */
		315
		316	if (SvLEN (sv))
		317	Safefree (SvPVX (sv));
		318
		319	SvPVX (sv) = (char *)addr;
		320	SvCUR_set (sv, length);
		321	SvLEN_set (sv, 0);
		322	SvPOK_only (sv);
		323	}
		324
		325	static void
		326	sv_clear_foreign (SV *sv)
		327	{
		328	/* todo: iterate over magic and only free ours, but of course */
		329	/* the perl5porters will call that (correct) behaviour buggy */
		330	sv_unmagic (sv, FOREIGN_MAGIC);
		331	}
		332
		333	/*****************************************************************************/
		334
		335	/* defines all sorts of constants to 0 unless they are already defined */
		336	/* also provides const_iv_ and const_niv_ macros for them */
		337	#include "def0.h"
160		338
161	/*****************************************************************************/	339	/*****************************************************************************/
162		340
163	static void	341	static void
164	fiemap (eio_req *req)	342	fiemap (eio_req *req)
165	{	343	{
166	req->result = -1;	344	req->result = -1;
167		345
168	#if HAVE_FIEMAP	346	#if HAVE_FIEMAP
		347	/* assume some c99 */
		348	struct fiemap *fiemap = 0;
		349	size_t end_offset;
		350	int count = req->int3;
		351
		352	req->flags |= EIO_FLAG_PTR1_FREE;
		353
		354	/* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
		355	/* increase in fixed steps */
		356	if (count < 0)
		357	count = 8;
		358
		359	fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		360	errno = ENOMEM;
		361	if (!fiemap)
		362	return;
		363
		364	req->ptr1 = fiemap;
		365
		366	fiemap->fm_start = req->offs;
		367	fiemap->fm_length = req->size;
		368	fiemap->fm_flags = req->int2;
		369	fiemap->fm_extent_count = count;
		370
		371	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
		372	return;
		373
		374	if (req->int3 >= 0 /* not autosizing */
		375	|| !fiemap->fm_mapped_extents /* no more extents */
		376	|| fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
		377	goto done;
		378
		379	/* else we have to loop -
		380	* it would be tempting (actually I tried that first) to just query the
		381	* number of extents needed, but linux often feels like not returning all
		382	* extents, without telling us it left any out. this complicates
		383	* this quite a bit.
		384	*/
		385
		386	end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
		387
169	for (;;)	388	for (;;)
170	{	389	{
171	int count = req->int3;	390	/* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
		391	char scratch[3072];
		392	struct fiemap *incmap = (struct fiemap *)scratch;
172		393
173	if (count < 0)	394	incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
174	{	395	+ fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
175	struct fiemap fiemap;	396	incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
		397	incmap->fm_flags = fiemap->fm_flags;
		398	incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
176		399
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))	400	if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
183	return;	401	return;
184		402
185	count = fiemap.fm_mapped_extents;	403	if (!incmap->fm_mapped_extents)
186	}	404	goto done;
187		405
		406	count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
188	struct fiemap *fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);	407	fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
189	errno = ENOMEM;	408	errno = ENOMEM;
190	if (!fiemap)	409	if (!fiemap)
191	return;	410	return;
192		411
193	req->ptr1 = fiemap;	412	req->ptr1 = fiemap;
194	req->flags |= EIO_FLAG_PTR1_FREE;
195		413
196	fiemap->fm_start = req->offs;	414	for (count = 0; count < incmap->fm_mapped_extents; ++count)
197	fiemap->fm_length = req->size;	415	{
198	fiemap->fm_flags = req->int2;	416	struct fiemap_extent *e = incmap->fm_extents + count;
199	fiemap->fm_extent_count = count;
200		417
201	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap))	418	fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
202	return;
203		419
204	if (req->int3 >= 0)	420	if (e->fe_logical >= end_offset)
205	break; /* when not autosizing we are done */	421	goto done;
206		422
207	if (fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST)	423	if (e->fe_flags & FIEMAP_EXTENT_LAST)
208	break; /* autosizing successful, we are done */	424	goto done;
209		425
210	free (fiemap);	426	}
211	}	427	}
212		428
		429	done:
213	req->result = 0;	430	req->result = 0;
214		431
215	#else	432	#else
216	errno = ENOSYS;	433	errno = ENOSYS;
217	#endif	434	#endif
218	}	435	}
219		436
220	/*****************************************************************************/	437	/*****************************************************************************/
		438
		439	static int close_fd; /* dummy fd to close fds via dup2 */
		440
		441	#if HAVE_STATX
		442	static struct statx stx;
		443	#define statx_offsetof(member) offsetof (struct statx, member)
		444	#define eio__statx statx
		445	#else
		446	#define statx_offsetof(member) 0
		447	#define eio__statx(dir,path,flags,mask,stx) EIO_ENOSYS()
		448	#endif
221		449
222	enum {	450	enum {
223	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	451	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
224	};	452	};
225		453
…		…
249	/* read any signals sent by the worker threads */	477	/* read any signals sent by the worker threads */
250	s_epipe_drain (&respipe);	478	s_epipe_drain (&respipe);
251	}	479	}
252		480
253	/* must be called at most once */	481	/* must be called at most once */
		482	ecb_noinline
254	static SV *	483	static SV *
255	req_sv (aio_req req, HV *stash)	484	req_sv (aio_req req, HV *stash)
256	{	485	{
257	if (!req->self)	486	if (!req->self)
258	{	487	{
…		…
264	}	493	}
265		494
266	static SV *	495	static SV *
267	newSVaio_wd (aio_wd wd)	496	newSVaio_wd (aio_wd wd)
268	{	497	{
269	return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash);	498	return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
270	}	499	}
271		500
		501	ecb_noinline
272	static aio_req	502	static aio_req
273	SvAIO_REQ (SV *sv)	503	SvAIO_REQ (SV *sv)
274	{	504	{
275	MAGIC *mg;	505	MAGIC *mg;
276		506
…		…
293	|| SvTYPE (SvRV (sv)) != SVt_PVMG	523	|| SvTYPE (SvRV (sv)) != SVt_PVMG
294	|| SvSTASH (SvRV (sv)) != aio_wd_stash)	524	|| SvSTASH (SvRV (sv)) != aio_wd_stash)
295	croak ("IO::AIO: expected a working directory object as returned by aio_wd");	525	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
296		526
297	return (aio_wd)(long)SvIVX (SvRV (sv));	527	return (aio_wd)(long)SvIVX (SvRV (sv));
		528	}
		529
		530	static SV *
		531	newmortalFH (int fd, int flags)
		532	{
		533	if (fd < 0)
		534	return &PL_sv_undef;
		535
		536	GV *gv = (GV *)sv_newmortal ();
		537	char sym[64];
		538	int symlen;
		539
		540	symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
		541	gv_init (gv, aio_stash, sym, symlen, 0);
		542
		543	symlen = snprintf (
		544	sym,
		545	sizeof (sym),
		546	"%s&=%d",
		547	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
		548	fd
		549	);
		550
		551	return do_open (gv, sym, symlen, 0, 0, 0, 0)
		552	? (SV *)gv : &PL_sv_undef;
298	}	553	}
299		554
300	static void	555	static void
301	aio_grp_feed (aio_req grp)	556	aio_grp_feed (aio_req grp)
302	{	557	{
…		…
314	FREETMPS;	569	FREETMPS;
315	LEAVE;	570	LEAVE;
316	}	571	}
317	}	572	}
318		573
		574	ecb_noinline
319	static void	575	static void
320	req_submit (eio_req *req)	576	req_submit (eio_req *req)
321	{	577	{
322	eio_submit (req);	578	eio_submit (req);
323		579
…		…
430	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));	686	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
431	}	687	}
432	break;	688	break;
433		689
434	case EIO_OPEN:	690	case EIO_OPEN:
435	{	691	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;	692	break;
464		693
465	case EIO_STATVFS:	694	case EIO_STATVFS:
466	case EIO_FSTATVFS:	695	case EIO_FSTATVFS:
467	{	696	{
…		…
470	#ifndef _WIN32	699	#ifndef _WIN32
471	if (req->result >= 0)	700	if (req->result >= 0)
472	{	701	{
473	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	702	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
474	HV *hv = newHV ();	703	HV *hv = newHV ();
		704	/* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
		705	* chooses to make it a struct.
		706	*/
		707	unsigned long fsid = 0;
		708	memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
475		709
476	rv = sv_2mortal (newRV_noinc ((SV *)hv));	710	rv = sv_2mortal (newRV_noinc ((SV *)hv));
477		711
478	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);	712	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);	713	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);	715	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);	716	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);	717	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);	718	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);	719	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);	720	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
487	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);	721	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);	722	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
489	}	723	}
490	#endif	724	#endif
491		725
…		…
542	SvSETMAGIC (req->sv2);	776	SvSETMAGIC (req->sv2);
543	PUSHs (sv_result);	777	PUSHs (sv_result);
544	}	778	}
545	break;	779	break;
546		780
		781	case EIO_SLURP:
		782	{
		783	if (req->result >= 0)
		784	{
		785	/* if length was originally not known, we steal the malloc'ed memory */
		786	if (req->flags & EIO_FLAG_PTR2_FREE)
		787	{
		788	req->flags &= ~EIO_FLAG_PTR2_FREE;
		789	sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
		790	}
		791	else
		792	{
		793	SvCUR_set (req->sv2, req->result);
		794	*SvEND (req->sv2) = 0;
		795	SvPOK_only (req->sv2);
		796	}
		797
		798	SvSETMAGIC (req->sv2);
		799	}
		800
		801	PUSHs (sv_result);
		802	}
		803	break;
		804
547	case EIO_CUSTOM:	805	case EIO_CUSTOM:
548	if (req->feed == fiemap)	806	if (req->feed == fiemap)
549	{	807	{
		808	#if HAVE_FIEMAP
550	if (!req->result)	809	if (!req->result)
551	{	810	{
552	struct fiemap *fiemap = (struct fiemap *)req->ptr1;	811	struct fiemap *fiemap = (struct fiemap *)req->ptr1;
553		812
554	if (fiemap->fm_extent_count)	813	if (fiemap->fm_extent_count)
…		…
575	{	834	{
576	SvIV_set (sv_result, fiemap->fm_mapped_extents);	835	SvIV_set (sv_result, fiemap->fm_mapped_extents);
577	PUSHs (sv_result);	836	PUSHs (sv_result);
578	}	837	}
579	}	838	}
		839	#endif
580	}	840	}
581	else	841	else
582	PUSHs (sv_result);	842	PUSHs (sv_result);
583	break;	843	break;
		844
		845	#if 0
		846	case EIO_CLOSE:
		847	PerlIOUnix_refcnt_dec (req->int1);
		848	break;
		849	#endif
584		850
585	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */	851	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
586	if (req->result > 0)	852	if (req->result > 0)
587	SvIV_set (sv_result, 0);	853	SvIV_set (sv_result, 0);
588	/* FALLTHROUGH */	854	/* FALLTHROUGH */
…		…
640	grp->sv2 = 0;	906	grp->sv2 = 0;
641		907
642	eio_grp_cancel (grp);	908	eio_grp_cancel (grp);
643	}	909	}
644		910
645	static void ecb_cold	911	ecb_cold
		912	static void
646	create_respipe (void)	913	create_respipe (void)
647	{	914	{
648	if (s_epipe_renew (&respipe))	915	if (s_epipe_renew (&respipe))
649	croak ("IO::AIO: unable to initialize result pipe");	916	croak ("IO::AIO: unable to initialize result pipe");
650	}	917	}
…		…
654	{	921	{
655	while (eio_nreqs ())	922	while (eio_nreqs ())
656	{	923	{
657	int size;	924	int size;
658		925
659	X_LOCK (reslock);	926	X_LOCK (EIO_POOL->reslock);
660	size = res_queue.size;	927	size = EIO_POOL->res_queue.size;
661	X_UNLOCK (reslock);	928	X_UNLOCK (EIO_POOL->reslock);
662		929
663	if (size)	930	if (size)
664	return;	931	return;
665		932
666	etp_maybe_start_thread ();	933	etp_maybe_start_thread (EIO_POOL);
667		934
668	s_epipe_wait (&respipe);	935	s_epipe_wait (&respipe);
669	}	936	}
670	}	937	}
671		938
…		…
684		951
685	poll_wait ();	952	poll_wait ();
686	}	953	}
687	}	954	}
688		955
689	static void ecb_cold	956	ecb_cold
		957	static void
690	reinit (void)	958	reinit (void)
691	{	959	{
692	create_respipe ();	960	create_respipe ();
693		961
694	if (eio_init (want_poll, done_poll) < 0)	962	if (eio_init (want_poll, done_poll) < 0)
695	croak ("IO::AIO: unable to initialise eio library");	963	croak ("IO::AIO: unable to initialise eio library");
696	}	964	}
697		965
698	/*****************************************************************************/	966	/*****************************************************************************/
699		967
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 *	968	static SV *
744	get_cb (SV *cb_sv)	969	get_cb (SV *cb_sv)
745	{	970	{
746	SvGETMAGIC (cb_sv);	971	SvGETMAGIC (cb_sv);
747	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	972	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
748	}	973	}
749		974
		975	ecb_noinline
750	static aio_req ecb_noinline	976	static aio_req ecb_noinline
751	dreq (SV *callback)	977	dreq (SV *callback)
752	{	978	{
753	SV *cb_cv;	979	SV *cb_cv;
754	aio_req req;	980	aio_req req;
…		…
776	SPAGAIN; \	1002	SPAGAIN; \
777	\	1003	\
778	if (GIMME_V != G_VOID) \	1004	if (GIMME_V != G_VOID) \
779	XPUSHs (req_sv (req, aio_req_stash));	1005	XPUSHs (req_sv (req, aio_req_stash));
780		1006
		1007	/* *wdsv, *pathsv, *wd and *ptr must be 0-initialized */
781	ecb_inline void	1008	ecb_inline
		1009	void
782	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)	1010	req_set_path (SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
783	{	1011	{
784	if (expect_false (SvROK (path)))	1012	if (expect_false (SvROK (path)))
785	{	1013	{
786	SV *rv = SvRV (path);	1014	SV *rv = SvRV (path);
787	SV *wdob;	1015	SV *wdob;
…		…
812		1040
813	*pathsv = newSVsv (path);	1041	*pathsv = newSVsv (path);
814	*ptr = SvPVbyte_nolen (*pathsv);	1042	*ptr = SvPVbyte_nolen (*pathsv);
815	}	1043	}
816		1044
817	static void ecb_noinline	1045	ecb_noinline
		1046	static void
818	req_set_path1 (aio_req req, SV *path)	1047	req_set_path1 (aio_req req, SV *path)
819	{	1048	{
820	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);	1049	req_set_path (path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
821	}	1050	}
822		1051
823	static void ecb_noinline	1052	ecb_noinline
		1053	static void
824	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)	1054	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
825	{	1055	{
826	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;	1056	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
827		1057
828	switch (SvTYPE (rv))	1058	switch (SvTYPE (rv))
…		…
840	req_set_path1 (req, fh_or_path);	1070	req_set_path1 (req, fh_or_path);
841	break;	1071	break;
842	}	1072	}
843	}	1073	}
844		1074
		1075	/*****************************************************************************/
		1076
		1077	static void
		1078	ts_set (struct timespec *ts, NV value)
		1079	{
		1080	ts->tv_sec = value;
		1081	ts->tv_nsec = (value - ts->tv_sec) * 1e9;
		1082	}
		1083
		1084	static NV
		1085	ts_get (const struct timespec *ts)
		1086	{
		1087	return ts->tv_sec + ts->tv_nsec * 1e-9;
		1088	}
		1089
		1090	/*****************************************************************************/
		1091
845	XS(boot_IO__AIO) ecb_cold;	1092	XS(boot_IO__AIO) ecb_cold;
846		1093
847	MODULE = IO::AIO PACKAGE = IO::AIO	1094	MODULE = IO::AIO PACKAGE = IO::AIO
848		1095
849	PROTOTYPES: ENABLE	1096	PROTOTYPES: ENABLE
…		…
856	} *civ, const_iv[] = {	1103	} *civ, const_iv[] = {
857	# define const_niv(name, value) { # name, (IV) value },	1104	# define const_niv(name, value) { # name, (IV) value },
858	# define const_iv(name) { # name, (IV) name },	1105	# define const_iv(name) { # name, (IV) name },
859	# define const_eio(name) { # name, (IV) EIO_ ## name },	1106	# define const_eio(name) { # name, (IV) EIO_ ## name },
860		1107
861	/* you have to re-run ./gendef0 after adding/Removing any constants here */	1108	/* you have to re-run ./gendef0 after adding/removing any constants here */
862		1109	/* the first block can be undef if missing */
863	const_iv (ENOSYS)	1110	const_iv (ENOSYS)
864	const_iv (EXDEV)	1111	const_iv (EXDEV)
865	const_iv (EBADR)	1112	const_iv (EBADR)
		1113
		1114	/* for lseek */
		1115	const_iv (SEEK_DATA)
		1116	const_iv (SEEK_HOLE)
		1117
		1118	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
		1119	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		1120	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
		1121	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		1122	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		1123	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		1124
		1125	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		1126	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		1127	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		1128	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		1129	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		1130
		1131	/* the second block will be 0 when missing */
		1132	const_iv (O_ACCMODE)
866		1133
867	const_iv (O_RDONLY)	1134	const_iv (O_RDONLY)
868	const_iv (O_WRONLY)	1135	const_iv (O_WRONLY)
869	const_iv (O_RDWR)	1136	const_iv (O_RDWR)
870	const_iv (O_CREAT)	1137	const_iv (O_CREAT)
…		…
884	const_iv (O_SEARCH)	1151	const_iv (O_SEARCH)
885	const_iv (O_DIRECTORY)	1152	const_iv (O_DIRECTORY)
886	const_iv (O_DSYNC)	1153	const_iv (O_DSYNC)
887	const_iv (O_RSYNC)	1154	const_iv (O_RSYNC)
888	const_iv (O_SYNC)	1155	const_iv (O_SYNC)
		1156	const_iv (O_PATH)
		1157	const_iv (O_TMPFILE)
889	const_iv (O_TTY_INIT)	1158	const_iv (O_TTY_INIT)
890		1159
891	const_iv (S_IFIFO)	1160	const_iv (S_IFIFO)
892	const_iv (S_IFCHR)	1161	const_iv (S_IFCHR)
893	const_iv (S_IFBLK)	1162	const_iv (S_IFBLK)
…		…
895	const_iv (S_IFREG)	1164	const_iv (S_IFREG)
896	const_iv (S_IFDIR)	1165	const_iv (S_IFDIR)
897	const_iv (S_IFWHT)	1166	const_iv (S_IFWHT)
898	const_iv (S_IFSOCK)	1167	const_iv (S_IFSOCK)
899	const_iv (S_IFMT)	1168	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		1169
914	const_iv (ST_RDONLY)	1170	const_iv (ST_RDONLY)
915	const_iv (ST_NOSUID)	1171	const_iv (ST_NOSUID)
916	const_iv (ST_NODEV)	1172	const_iv (ST_NODEV)
917	const_iv (ST_NOEXEC)	1173	const_iv (ST_NOEXEC)
…		…
927	const_iv (PROT_NONE)	1183	const_iv (PROT_NONE)
928	const_iv (PROT_EXEC)	1184	const_iv (PROT_EXEC)
929	const_iv (PROT_READ)	1185	const_iv (PROT_READ)
930	const_iv (PROT_WRITE)	1186	const_iv (PROT_WRITE)
931		1187
932	/*const_iv (MAP_FIXED)*/
933	const_iv (MAP_PRIVATE)	1188	const_iv (MAP_PRIVATE)
934	const_iv (MAP_SHARED)	1189	const_iv (MAP_SHARED)
		1190	const_iv (MAP_FIXED)
935	const_iv (MAP_ANONYMOUS)	1191	const_iv (MAP_ANONYMOUS)
936		1192
937	/* linuxish */	1193	/* linuxish */
938	const_iv (MAP_HUGETLB)
939	const_iv (MAP_LOCKED)	1194	const_iv (MAP_LOCKED)
940	const_iv (MAP_NORESERVE)	1195	const_iv (MAP_NORESERVE)
941	const_iv (MAP_POPULATE)	1196	const_iv (MAP_POPULATE)
942	const_iv (MAP_NONBLOCK)	1197	const_iv (MAP_NONBLOCK)
		1198	const_iv (MAP_GROWSDOWN)
		1199	const_iv (MAP_32BIT)
		1200	const_iv (MAP_HUGETLB)
		1201	const_iv (MAP_STACK)
		1202
		1203	const_iv (MREMAP_MAYMOVE)
		1204	const_iv (MREMAP_FIXED)
		1205
		1206	const_iv (MSG_CMSG_CLOEXEC)
		1207	const_iv (SOCK_CLOEXEC)
		1208
		1209	const_iv (F_DUPFD_CLOEXEC)
		1210
		1211	const_iv (F_ADD_SEALS)
		1212	const_iv (F_GET_SEALS)
		1213	const_iv (F_SEAL_SEAL)
		1214	const_iv (F_SEAL_SHRINK)
		1215	const_iv (F_SEAL_GROW)
		1216	const_iv (F_SEAL_WRITE)
		1217
		1218	const_iv (F_OFD_GETLK)
		1219	const_iv (F_OFD_SETLK)
		1220	const_iv (F_OFD_GETLKW)
		1221
		1222	const_iv (FIFREEZE)
		1223	const_iv (FITHAW)
		1224	const_iv (FITRIM)
		1225	const_iv (FICLONE)
		1226	const_iv (FICLONERANGE)
		1227	const_iv (FIDEDUPERANGE)
		1228
		1229	const_iv (FS_IOC_GETFLAGS)
		1230	const_iv (FS_IOC_SETFLAGS)
		1231	const_iv (FS_IOC_GETVERSION)
		1232	const_iv (FS_IOC_SETVERSION)
		1233	const_iv (FS_IOC_FIEMAP)
		1234	const_iv (FS_IOC_FSGETXATTR)
		1235	const_iv (FS_IOC_FSSETXATTR)
		1236	const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
		1237	const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
		1238	const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
		1239
		1240	const_iv (FS_KEY_DESCRIPTOR_SIZE)
		1241
		1242	const_iv (FS_SECRM_FL)
		1243	const_iv (FS_UNRM_FL)
		1244	const_iv (FS_COMPR_FL)
		1245	const_iv (FS_SYNC_FL)
		1246	const_iv (FS_IMMUTABLE_FL)
		1247	const_iv (FS_APPEND_FL)
		1248	const_iv (FS_NODUMP_FL)
		1249	const_iv (FS_NOATIME_FL)
		1250	const_iv (FS_DIRTY_FL)
		1251	const_iv (FS_COMPRBLK_FL)
		1252	const_iv (FS_NOCOMP_FL)
		1253	const_iv (FS_ENCRYPT_FL)
		1254	const_iv (FS_BTREE_FL)
		1255	const_iv (FS_INDEX_FL)
		1256	const_iv (FS_JOURNAL_DATA_FL)
		1257	const_iv (FS_NOTAIL_FL)
		1258	const_iv (FS_DIRSYNC_FL)
		1259	const_iv (FS_TOPDIR_FL)
		1260	const_iv (FS_FL_USER_MODIFIABLE)
		1261
		1262	const_iv (FS_XFLAG_REALTIME)
		1263	const_iv (FS_XFLAG_PREALLOC)
		1264	const_iv (FS_XFLAG_IMMUTABLE)
		1265	const_iv (FS_XFLAG_APPEND)
		1266	const_iv (FS_XFLAG_SYNC)
		1267	const_iv (FS_XFLAG_NOATIME)
		1268	const_iv (FS_XFLAG_NODUMP)
		1269	const_iv (FS_XFLAG_RTINHERIT)
		1270	const_iv (FS_XFLAG_PROJINHERIT)
		1271	const_iv (FS_XFLAG_NOSYMLINKS)
		1272	const_iv (FS_XFLAG_EXTSIZE)
		1273	const_iv (FS_XFLAG_EXTSZINHERIT)
		1274	const_iv (FS_XFLAG_NODEFRAG)
		1275	const_iv (FS_XFLAG_FILESTREAM)
		1276	const_iv (FS_XFLAG_DAX)
		1277	const_iv (FS_XFLAG_HASATTR)
943		1278
944	const_iv (FIEMAP_FLAG_SYNC)	1279	const_iv (FIEMAP_FLAG_SYNC)
945	const_iv (FIEMAP_FLAG_XATTR)	1280	const_iv (FIEMAP_FLAG_XATTR)
946	const_iv (FIEMAP_FLAGS_COMPAT)	1281	const_iv (FIEMAP_FLAGS_COMPAT)
947	const_iv (FIEMAP_EXTENT_LAST)	1282	const_iv (FIEMAP_EXTENT_LAST)
…		…
954	const_iv (FIEMAP_EXTENT_DATA_TAIL)	1289	const_iv (FIEMAP_EXTENT_DATA_TAIL)
955	const_iv (FIEMAP_EXTENT_UNWRITTEN)	1290	const_iv (FIEMAP_EXTENT_UNWRITTEN)
956	const_iv (FIEMAP_EXTENT_MERGED)	1291	const_iv (FIEMAP_EXTENT_MERGED)
957	const_iv (FIEMAP_EXTENT_SHARED)	1292	const_iv (FIEMAP_EXTENT_SHARED)
958		1293
		1294	const_iv (SPLICE_F_MOVE)
		1295	const_iv (SPLICE_F_NONBLOCK)
		1296	const_iv (SPLICE_F_MORE)
		1297	const_iv (SPLICE_F_GIFT)
		1298
		1299	const_iv (EFD_CLOEXEC)
		1300	const_iv (EFD_NONBLOCK)
		1301	const_iv (EFD_SEMAPHORE)
		1302
		1303	const_iv (MFD_CLOEXEC)
		1304	const_iv (MFD_ALLOW_SEALING)
		1305	const_iv (MFD_HUGETLB)
		1306
		1307	const_iv (CLOCK_REALTIME)
		1308	const_iv (CLOCK_MONOTONIC)
		1309	const_iv (CLOCK_BOOTTIME)
		1310	const_iv (CLOCK_REALTIME_ALARM)
		1311	const_iv (CLOCK_BOOTTIME_ALARM)
		1312
		1313	const_iv (TFD_NONBLOCK)
		1314	const_iv (TFD_CLOEXEC)
		1315
		1316	const_iv (TFD_TIMER_ABSTIME)
		1317	const_iv (TFD_TIMER_CANCEL_ON_SET)
		1318
		1319	const_iv (STATX_TYPE)
		1320	const_iv (STATX_MODE)
		1321	const_iv (STATX_NLINK)
		1322	const_iv (STATX_UID)
		1323	const_iv (STATX_GID)
		1324	const_iv (STATX_ATIME)
		1325	const_iv (STATX_MTIME)
		1326	const_iv (STATX_CTIME)
		1327	const_iv (STATX_INO)
		1328	const_iv (STATX_SIZE)
		1329	const_iv (STATX_BLOCKS)
		1330	const_iv (STATX_BASIC_STATS)
		1331	const_iv (STATX_ALL)
		1332	const_iv (STATX_BTIME)
		1333	const_iv (STATX_ATTR_COMPRESSED)
		1334	const_iv (STATX_ATTR_IMMUTABLE)
		1335	const_iv (STATX_ATTR_APPEND)
		1336	const_iv (STATX_ATTR_NODUMP)
		1337	const_iv (STATX_ATTR_ENCRYPTED)
		1338	const_iv (STATX_ATTR_AUTOMOUNT)
		1339
		1340	const_iv (AT_FDCWD)
		1341	const_iv (AT_SYMLINK_NOFOLLOW)
		1342	const_iv (AT_EACCESS)
		1343	const_iv (AT_REMOVEDIR)
		1344	const_iv (AT_SYMLINK_FOLLOW)
		1345	const_iv (AT_NO_AUTOMOUNT)
		1346	const_iv (AT_EMPTY_PATH)
		1347	const_iv (AT_STATX_SYNC_TYPE)
		1348	const_iv (AT_STATX_AS_STAT)
		1349	const_iv (AT_STATX_FORCE_SYNC)
		1350	const_iv (AT_STATX_DONT_SYNC)
		1351	const_iv (AT_RECURSIVE)
		1352
		1353	const_iv (OPEN_TREE_CLONE)
		1354
		1355	const_iv (MOVE_MOUNT_F_SYMLINKS)
		1356	const_iv (MOVE_MOUNT_F_AUTOMOUNTS)
		1357	const_iv (MOVE_MOUNT_F_EMPTY_PATH)
		1358	const_iv (MOVE_MOUNT_T_SYMLINKS)
		1359	const_iv (MOVE_MOUNT_T_AUTOMOUNTS)
		1360	const_iv (MOVE_MOUNT_T_EMPTY_PATH)
		1361
		1362	/* these are libeio constants, and are independent of gendef0 */
959	const_eio (SEEK_SET)	1363	const_eio (SEEK_SET)
960	const_eio (SEEK_CUR)	1364	const_eio (SEEK_CUR)
961	const_eio (SEEK_END)	1365	const_eio (SEEK_END)
962		1366
963	const_eio (MCL_FUTURE)	1367	const_eio (MCL_FUTURE)
964	const_eio (MCL_CURRENT)	1368	const_eio (MCL_CURRENT)
		1369	const_eio (MCL_ONFAULT)
965		1370
966	const_eio (MS_ASYNC)	1371	const_eio (MS_ASYNC)
967	const_eio (MS_INVALIDATE)	1372	const_eio (MS_INVALIDATE)
968	const_eio (MS_SYNC)	1373	const_eio (MS_SYNC)
969		1374
…		…
972	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1377	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
973	const_eio (SYNC_FILE_RANGE_WRITE)	1378	const_eio (SYNC_FILE_RANGE_WRITE)
974	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1379	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
975		1380
976	const_eio (FALLOC_FL_KEEP_SIZE)	1381	const_eio (FALLOC_FL_KEEP_SIZE)
		1382	const_eio (FALLOC_FL_PUNCH_HOLE)
		1383	const_eio (FALLOC_FL_COLLAPSE_RANGE)
		1384	const_eio (FALLOC_FL_ZERO_RANGE)
		1385	const_eio (FALLOC_FL_INSERT_RANGE)
		1386	const_eio (FALLOC_FL_UNSHARE_RANGE)
		1387
		1388	const_eio (RENAME_NOREPLACE)
		1389	const_eio (RENAME_EXCHANGE)
		1390	const_eio (RENAME_WHITEOUT)
977		1391
978	const_eio (READDIR_DENTS)	1392	const_eio (READDIR_DENTS)
979	const_eio (READDIR_DIRS_FIRST)	1393	const_eio (READDIR_DIRS_FIRST)
980	const_eio (READDIR_STAT_ORDER)	1394	const_eio (READDIR_STAT_ORDER)
981	const_eio (READDIR_FOUND_UNKNOWN)	1395	const_eio (READDIR_FOUND_UNKNOWN)
…		…
999	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)	1413	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));	1414	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
1001		1415
1002	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1416	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
1003		1417
		1418	/* allocate dummy pipe fd for aio_close */
		1419	{
		1420	int pipefd [2];
		1421
		1422	if (
		1423	#ifdef _WIN32
		1424	_pipe (pipefd, 1, _O_BINARY) < 0
		1425	#else
		1426	pipe (pipefd) < 0
		1427	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1428	#endif
		1429	|| close (pipefd [1]) < 0
		1430	)
		1431	croak ("IO::AIO: unable to create dummy pipe for aio_close");
		1432
		1433	close_fd = pipefd [0];
		1434	}
		1435
1004	reinit ();	1436	reinit ();
1005	}	1437	}
1006		1438
1007	void	1439	void
1008	reinit ()	1440	reinit ()
…		…
1049	PROTOTYPE: $	1481	PROTOTYPE: $
1050	CODE:	1482	CODE:
1051	max_outstanding = maxreqs;	1483	max_outstanding = maxreqs;
1052		1484
1053	void	1485	void
1054	aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)	1486	aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
1055	PPCODE:	1487	PPCODE:
1056	{	1488	{
1057	dREQ;	1489	dREQ;
1058		1490
1059	req->type = EIO_WD_OPEN;	1491	req->type = EIO_WD_OPEN;
…		…
1061		1493
1062	REQ_SEND;	1494	REQ_SEND;
1063	}	1495	}
1064		1496
1065	void	1497	void
1066	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1498	aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1067	PPCODE:	1499	PPCODE:
1068	{	1500	{
1069	dREQ;	1501	dREQ;
1070		1502
1071	req->type = EIO_OPEN;	1503	req->type = EIO_OPEN;
…		…
1075		1507
1076	REQ_SEND;	1508	REQ_SEND;
1077	}	1509	}
1078		1510
1079	void	1511	void
1080	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1512	aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
1081	ALIAS:	1513	ALIAS:
1082	aio_fsync = EIO_FSYNC	1514	aio_fsync = EIO_FSYNC
1083	aio_fdatasync = EIO_FDATASYNC	1515	aio_fdatasync = EIO_FDATASYNC
1084	aio_syncfs = EIO_SYNCFS	1516	aio_syncfs = EIO_SYNCFS
1085	PPCODE:	1517	PPCODE:
1086	{	1518	{
1087	int fd = s_fileno_croak (fh, 0);	1519	int fd = s_fileno_croak (fh, 0);
1088	dREQ;	1520	dREQ;
1089		1521
1090	req->type = ix;	1522	req->type = ix;
1091	req->sv1 = newSVsv (fh);	1523	req->sv1 = newSVsv (fh);
1092	req->int1 = fd;	1524	req->int1 = fd;
1093		1525
1094	REQ_SEND;	1526	REQ_SEND;
1095	}	1527	}
1096		1528
1097	void	1529	void
1098	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1530	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
1099	PPCODE:	1531	PPCODE:
1100	{	1532	{
1101	int fd = s_fileno_croak (fh, 0);	1533	int fd = s_fileno_croak (fh, 0);
1102	dREQ;	1534	dREQ;
1103		1535
1104	req->type = EIO_SYNC_FILE_RANGE;	1536	req->type = EIO_SYNC_FILE_RANGE;
1105	req->sv1 = newSVsv (fh);	1537	req->sv1 = newSVsv (fh);
1106	req->int1 = fd;	1538	req->int1 = fd;
…		…
1110		1542
1111	REQ_SEND;	1543	REQ_SEND;
1112	}	1544	}
1113		1545
1114	void	1546	void
1115	aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)	1547	aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
1116	PPCODE:	1548	PPCODE:
1117	{	1549	{
1118	int fd = s_fileno_croak (fh, 0);	1550	int fd = s_fileno_croak (fh, 0);
1119	dREQ;	1551	dREQ;
1120		1552
1121	req->type = EIO_FALLOCATE;	1553	req->type = EIO_FALLOCATE;
1122	req->sv1 = newSVsv (fh);	1554	req->sv1 = newSVsv (fh);
1123	req->int1 = fd;	1555	req->int1 = fd;
…		…
1127		1559
1128	REQ_SEND;	1560	REQ_SEND;
1129	}	1561	}
1130		1562
1131	void	1563	void
1132	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1564	aio_close (SV *fh, SV *callback = &PL_sv_undef)
1133	PPCODE:	1565	PPCODE:
1134	{	1566	{
1135	static int close_fd = -1; /* dummy fd to close fds via dup2 */
1136	int fd = s_fileno_croak (fh, 0);	1567	int fd = s_fileno_croak (fh, 0);
1137	dREQ;	1568	dREQ;
		1569	#if 0
		1570	/* partially duplicate logic in s_fileno */
		1571	SvGETMAGIC (fh);
1138		1572
1139	if (expect_false (close_fd < 0))	1573	if (SvROK (fh))
		1574	{
		1575	fh = SvRV (fh);
		1576	SvGETMAGIC (fh);
		1577	}
		1578
		1579	if (SvTYPE (fh) == SVt_PVGV)
1140	{	1580	{
1141	int pipefd [2];	1581	/* perl filehandle */
		1582	PerlIOUnix_refcnt_inc (fd);
		1583	do_close ((GV *)fh, 1);
1142		1584
1143	if (	1585	req->type = EIO_CLOSE;
1144	#ifdef _WIN32	1586	req->int1 = fd;
1145	_pipe (pipefd, 1, _O_BINARY) < 0	1587	/*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	}	1588	}
1156		1589	else
		1590	#endif
		1591	{
		1592	/* fd number */
1157	req->type = EIO_DUP2;	1593	req->type = EIO_DUP2;
1158	req->int1 = close_fd;	1594	req->int1 = close_fd;
1159	req->sv2 = newSVsv (fh);	1595	req->sv2 = newSVsv (fh);
1160	req->int2 = fd;	1596	req->int2 = fd;
		1597	}
1161		1598
1162	REQ_SEND;	1599	REQ_SEND;
1163	}	1600	}
1164		1601
1165	void	1602	void
1166	aio_seek (SV *fh, SV *offset, int whence, SV *callback=&PL_sv_undef)	1603	aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1167	PPCODE:	1604	PPCODE:
1168	{	1605	{
1169	STRLEN svlen;
1170	int fd = s_fileno_croak (fh, 0);	1606	int fd = s_fileno_croak (fh, 0);
1171	dREQ;	1607	dREQ;
1172		1608
1173	req->type = EIO_SEEK;	1609	req->type = EIO_SEEK;
1174	req->sv1 = newSVsv (fh);	1610	req->sv1 = newSVsv (fh);
…		…
1178		1614
1179	REQ_SEND;	1615	REQ_SEND;
1180	}	1616	}
1181		1617
1182	void	1618	void
1183	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1619	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
1184	ALIAS:	1620	ALIAS:
1185	aio_read = EIO_READ	1621	aio_read = EIO_READ
1186	aio_write = EIO_WRITE	1622	aio_write = EIO_WRITE
1187	PPCODE:	1623	PPCODE:
1188	{	1624	{
…		…
1204	len = svlen - dataoffset;	1640	len = svlen - dataoffset;
1205	}	1641	}
1206	else	1642	else
1207	{	1643	{
1208	/* read: check type and grow scalar as necessary */	1644	/* read: check type and grow scalar as necessary */
1209	SvUPGRADE (data, SVt_PV);	1645	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1210	svptr = SvGROW (data, len + dataoffset + 1);	1646	svptr = sv_grow (data, len + dataoffset + 1);
		1647	else if (SvCUR (data) < len + dataoffset)
		1648	croak ("length + dataoffset outside of scalar, and cannot grow");
1211	}	1649	}
1212		1650
1213	{	1651	{
1214	dREQ;	1652	dREQ;
1215		1653
…		…
1231	REQ_SEND;	1669	REQ_SEND;
1232	}	1670	}
1233	}	1671	}
1234		1672
1235	void	1673	void
		1674	aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
		1675	ALIAS:
		1676	aio_ioctl = EIO_IOCTL
		1677	aio_fcntl = EIO_FCNTL
		1678	PPCODE:
		1679	{
		1680	int fd = s_fileno_croak (fh, 0);
		1681	char *svptr;
		1682
		1683	if (SvPOK (arg) || !SvNIOK (arg))
		1684	{
		1685	STRLEN svlen;
		1686	/* perl uses IOCPARM_LEN for fcntl, so we do, too */
		1687	#ifdef IOCPARM_LEN
		1688	STRLEN need = IOCPARM_LEN (request);
		1689	#else
		1690	STRLEN need = 256;
		1691	#endif
		1692
		1693	if (svlen < need)
		1694	svptr = SvGROW (arg, need);
		1695	}
		1696	else
		1697	svptr = (char *)SvIV (arg);
		1698
		1699	{
		1700	dREQ;
		1701
		1702	req->type = ix;
		1703	req->sv1 = newSVsv (fh);
		1704	req->int1 = fd;
		1705	req->int2 = (long)request;
		1706	req->sv2 = SvREFCNT_inc (arg);
		1707	req->ptr2 = svptr;
		1708
		1709	REQ_SEND;
		1710	}
		1711	}
		1712
		1713	void
1236	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1714	aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1237	ALIAS:	1715	ALIAS:
1238	aio_readlink = EIO_READLINK	1716	aio_readlink = EIO_READLINK
1239	aio_realpath = EIO_REALPATH	1717	aio_realpath = EIO_REALPATH
1240	PPCODE:	1718	PPCODE:
1241	{	1719	{
…		…
1246		1724
1247	REQ_SEND;	1725	REQ_SEND;
1248	}	1726	}
1249		1727
1250	void	1728	void
1251	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1729	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1252	PPCODE:	1730	PPCODE:
1253	{	1731	{
1254	int ifd = s_fileno_croak (in_fh , 0);	1732	int ifd = s_fileno_croak (in_fh , 0);
1255	int ofd = s_fileno_croak (out_fh, 1);	1733	int ofd = s_fileno_croak (out_fh, 1);
1256	dREQ;	1734	dREQ;
1257		1735
1258	req->type = EIO_SENDFILE;	1736	req->type = EIO_SENDFILE;
1259	req->sv1 = newSVsv (out_fh);	1737	req->sv1 = newSVsv (out_fh);
1260	req->int1 = ofd;	1738	req->int1 = ofd;
…		…
1265		1743
1266	REQ_SEND;	1744	REQ_SEND;
1267	}	1745	}
1268		1746
1269	void	1747	void
1270	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1748	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1271	PPCODE:	1749	PPCODE:
1272	{	1750	{
1273	int fd = s_fileno_croak (fh, 0);	1751	int fd = s_fileno_croak (fh, 0);
1274	dREQ;	1752	dREQ;
1275		1753
1276	req->type = EIO_READAHEAD;	1754	req->type = EIO_READAHEAD;
1277	req->sv1 = newSVsv (fh);	1755	req->sv1 = newSVsv (fh);
1278	req->int1 = fd;	1756	req->int1 = fd;
…		…
1281		1759
1282	REQ_SEND;	1760	REQ_SEND;
1283	}	1761	}
1284		1762
1285	void	1763	void
1286	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1764	aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1287	ALIAS:	1765	ALIAS:
1288	aio_stat = EIO_STAT	1766	aio_stat = EIO_STAT
1289	aio_lstat = EIO_LSTAT	1767	aio_lstat = EIO_LSTAT
1290	aio_statvfs = EIO_STATVFS	1768	aio_statvfs = EIO_STATVFS
1291	PPCODE:	1769	PPCODE:
…		…
1294		1772
1295	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);	1773	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1296		1774
1297	REQ_SEND;	1775	REQ_SEND;
1298	}	1776	}
		1777
		1778	void
		1779	st_xtime ()
		1780	ALIAS:
		1781	st_atime = 0x01
		1782	st_mtime = 0x02
		1783	st_ctime = 0x04
		1784	st_btime = 0x08
		1785	st_xtime = 0x0f
		1786	PPCODE:
		1787	EXTEND (SP, 4);
		1788	if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
		1789	if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
		1790	if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
		1791	if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
		1792
		1793	void
		1794	st_xtimensec ()
		1795	ALIAS:
		1796	st_atimensec = 0x01
		1797	st_mtimensec = 0x02
		1798	st_ctimensec = 0x04
		1799	st_btimensec = 0x08
		1800	st_xtimensec = 0x0f
		1801	st_btimesec = 0x10
		1802	st_gen = 0x20
		1803	PPCODE:
		1804	EXTEND (SP, 4);
		1805	if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
		1806	if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
		1807	if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
		1808	if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
		1809	if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
		1810	if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
1299		1811
1300	UV	1812	UV
1301	major (UV dev)	1813	major (UV dev)
1302	ALIAS:	1814	ALIAS:
1303	minor = 1	1815	minor = 1
1304	CODE:	1816	CODE:
1305	RETVAL = ix ? major (dev) : minor (dev);	1817	RETVAL = ix ? minor (dev) : major (dev);
1306	OUTPUT:	1818	OUTPUT:
1307	RETVAL	1819	RETVAL
1308		1820
1309	UV	1821	UV
1310	makedev (UV maj, UV min)	1822	makedev (UV maj, UV min)
…		…
1312	RETVAL = makedev (maj, min);	1824	RETVAL = makedev (maj, min);
1313	OUTPUT:	1825	OUTPUT:
1314	RETVAL	1826	RETVAL
1315		1827
1316	void	1828	void
1317	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1829	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1318	PPCODE:	1830	PPCODE:
1319	{	1831	{
1320	dREQ;	1832	dREQ;
1321		1833
1322	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1834	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
…		…
1325		1837
1326	REQ_SEND;	1838	REQ_SEND;
1327	}	1839	}
1328		1840
1329	void	1841	void
1330	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1842	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1331	PPCODE:	1843	PPCODE:
1332	{	1844	{
1333	dREQ;	1845	dREQ;
1334		1846
1335	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1847	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
…		…
1337		1849
1338	REQ_SEND;	1850	REQ_SEND;
1339	}	1851	}
1340		1852
1341	void	1853	void
1342	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1854	aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1343	PPCODE:	1855	PPCODE:
1344	{	1856	{
1345	dREQ;	1857	dREQ;
1346		1858
1347	req->int2 = mode;	1859	req->int2 = mode;
…		…
1349		1861
1350	REQ_SEND;	1862	REQ_SEND;
1351	}	1863	}
1352		1864
1353	void	1865	void
1354	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef)	1866	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1355	PPCODE:	1867	PPCODE:
1356	{	1868	{
1357	dREQ;	1869	dREQ;
1358		1870
1359	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1871	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
…		…
1362		1874
1363	REQ_SEND;	1875	REQ_SEND;
1364	}	1876	}
1365		1877
1366	void	1878	void
1367	aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)	1879	aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1368	PPCODE:	1880	PPCODE:
1369	{	1881	{
1370	dREQ;	1882	dREQ;
1371		1883
1372	req->type = EIO_READDIR;	1884	req->type = EIO_READDIR;
…		…
1379		1891
1380	REQ_SEND;	1892	REQ_SEND;
1381	}	1893	}
1382		1894
1383	void	1895	void
1384	aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef)	1896	aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1385	PPCODE:	1897	PPCODE:
1386	{	1898	{
1387	dREQ;	1899	dREQ;
1388		1900
1389	req->type = EIO_MKDIR;	1901	req->type = EIO_MKDIR;
…		…
1392		1904
1393	REQ_SEND;	1905	REQ_SEND;
1394	}	1906	}
1395		1907
1396	void	1908	void
1397	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1909	aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1398	ALIAS:	1910	ALIAS:
1399	aio_unlink = EIO_UNLINK	1911	aio_unlink = EIO_UNLINK
1400	aio_rmdir = EIO_RMDIR	1912	aio_rmdir = EIO_RMDIR
1401	aio_readdir = EIO_READDIR	1913	aio_readdir = EIO_READDIR
1402	PPCODE:	1914	PPCODE:
…		…
1408		1920
1409	REQ_SEND;	1921	REQ_SEND;
1410	}	1922	}
1411		1923
1412	void	1924	void
1413	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef)	1925	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1414	ALIAS:	1926	ALIAS:
1415	aio_link = EIO_LINK	1927	aio_link = EIO_LINK
1416	aio_symlink = EIO_SYMLINK	1928	aio_symlink = EIO_SYMLINK
1417	aio_rename = EIO_RENAME	1929	aio_rename = EIO_RENAME
1418	PPCODE:	1930	PPCODE:
…		…
1420	eio_wd wd2 = 0;	1932	eio_wd wd2 = 0;
1421	dREQ;	1933	dREQ;
1422		1934
1423	req->type = ix;	1935	req->type = ix;
1424	req_set_path1 (req, oldpath);	1936	req_set_path1 (req, oldpath);
1425	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);	1937	req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1426	req->int3 = (long)wd2;	1938	req->int3 = (long)wd2;
1427		1939
1428	REQ_SEND;	1940	REQ_SEND;
1429	}	1941	}
1430		1942
1431	void	1943	void
		1944	aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
		1945	PPCODE:
		1946	{
		1947	eio_wd wd2 = 0;
		1948	dREQ;
		1949
		1950	req->type = EIO_RENAME;
		1951	req_set_path1 (req, oldpath);
		1952	req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
		1953	req->int2 = flags;
		1954	req->int3 = (long)wd2;
		1955
		1956	REQ_SEND;
		1957	}
		1958
		1959	void
1432	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef)	1960	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1433	PPCODE:	1961	PPCODE:
1434	{	1962	{
1435	dREQ;	1963	dREQ;
1436		1964
1437	req->type = EIO_MKNOD;	1965	req->type = EIO_MKNOD;
…		…
1441		1969
1442	REQ_SEND;	1970	REQ_SEND;
1443	}	1971	}
1444		1972
1445	void	1973	void
1446	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1974	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1447	ALIAS:	1975	ALIAS:
1448	aio_mtouch = EIO_MTOUCH	1976	aio_mtouch = EIO_MTOUCH
1449	aio_msync = EIO_MSYNC	1977	aio_msync = EIO_MSYNC
1450	PPCODE:	1978	PPCODE:
1451	{	1979	{
1452	STRLEN svlen;	1980	STRLEN svlen;
1453	char *svptr = SvPVbyte (data, svlen);	1981	char *svptr = SvPVbyte (data, svlen);
1454	UV len = SvUV (length);	1982	UV len = SvUV (length);
		1983
		1984	if (flags < 0)
		1985	flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1455		1986
1456	if (offset < 0)	1987	if (offset < 0)
1457	offset += svlen;	1988	offset += svlen;
1458		1989
1459	if (offset < 0 || offset > svlen)	1990	if (offset < 0 || offset > svlen)
…		…
1474	REQ_SEND;	2005	REQ_SEND;
1475	}	2006	}
1476	}	2007	}
1477		2008
1478	void	2009	void
1479	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)	2010	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1480	PPCODE:	2011	PPCODE:
1481	{	2012	{
1482	STRLEN svlen;	2013	STRLEN svlen;
1483	char *svptr = SvPVbyte (data, svlen);	2014	char *svptr = SvPVbyte (data, svlen);
1484	UV len = SvUV (length);	2015	UV len = SvUV (length);
…		…
1503	REQ_SEND;	2034	REQ_SEND;
1504	}	2035	}
1505	}	2036	}
1506		2037
1507	void	2038	void
1508	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)	2039	aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1509	PPCODE:	2040	PPCODE:
1510	{	2041	{
1511	dREQ;	2042	dREQ;
1512		2043
1513	req->type = EIO_MLOCKALL;	2044	req->type = EIO_MLOCKALL;
…		…
1515		2046
1516	REQ_SEND;	2047	REQ_SEND;
1517	}	2048	}
1518		2049
1519	void	2050	void
1520	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback=&PL_sv_undef)	2051	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
1521	PPCODE:	2052	PPCODE:
1522	{	2053	{
1523	int fd = s_fileno_croak (fh, 0);	2054	int fd = s_fileno_croak (fh, 0);
1524	dREQ;	2055	dREQ;
1525		2056
1526	req->type = EIO_CUSTOM;	2057	req->type = EIO_CUSTOM;
1527	req->sv1 = newSVsv (fh);	2058	req->sv1 = newSVsv (fh);
1528	req->int1 = fd;	2059	req->int1 = fd;
1529		2060
1530	req->feed = fiemap;	2061	req->feed = fiemap;
		2062	#if HAVE_FIEMAP
1531	/* keep our fingers crossed that the next two types are 64 bit */	2063	/* keep our fingers crossed that the next two types are 64 bit */
1532	req->offs = start;	2064	req->offs = start;
1533	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;	2065	req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
1534	req->int2 = flags;	2066	req->int2 = flags;
1535	req->int3 = SvOK (count) ? SvIV (count) : -1;	2067	req->int3 = SvOK (count) ? SvIV (count) : -1;
		2068	#endif
1536		2069
1537	REQ_SEND;	2070	REQ_SEND;
1538	}	2071	}
1539		2072
1540	void	2073	void
		2074	aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
		2075	PPCODE:
		2076	{
		2077	char *svptr = 0;
		2078
		2079	sv_clear_foreign (data);
		2080
		2081	if (length) /* known length, directly read into scalar */
		2082	{
		2083	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
		2084	svptr = sv_grow (data, length + 1);
		2085	else if (SvCUR (data) < length)
		2086	croak ("length outside of scalar, and cannot grow");
		2087	else
		2088	svptr = SvPVbyte_nolen (data);
		2089	}
		2090
		2091	{
		2092	dREQ;
		2093
		2094	req->type = EIO_SLURP;
		2095	req_set_path1 (req, pathname);
		2096	req->offs = offset;
		2097	req->size = length;
		2098	req->sv2 = SvREFCNT_inc (data);
		2099	req->ptr2 = svptr;
		2100
		2101	if (!SvREADONLY (data))
		2102	{
		2103	SvREADONLY_on (data);
		2104	req->flags |= FLAG_SV2_RO_OFF;
		2105	}
		2106
		2107	REQ_SEND;
		2108	}
		2109	}
		2110
		2111	void
1541	aio_busy (double delay, SV *callback=&PL_sv_undef)	2112	aio_busy (double delay, SV *callback = &PL_sv_undef)
1542	PPCODE:	2113	PPCODE:
1543	{	2114	{
1544	dREQ;	2115	dREQ;
1545		2116
1546	req->type = EIO_BUSY;	2117	req->type = EIO_BUSY;
…		…
1548		2119
1549	REQ_SEND;	2120	REQ_SEND;
1550	}	2121	}
1551		2122
1552	void	2123	void
1553	aio_group (SV *callback=&PL_sv_undef)	2124	aio_group (SV *callback = &PL_sv_undef)
1554	PPCODE:	2125	PPCODE:
1555	{	2126	{
1556	dREQ;	2127	dREQ;
1557		2128
1558	req->type = EIO_GROUP;	2129	req->type = EIO_GROUP;
1559		2130
		2131	PUTBACK;
1560	req_submit (req);	2132	req_submit (req);
		2133	SPAGAIN;
		2134
1561	XPUSHs (req_sv (req, aio_grp_stash));	2135	XPUSHs (req_sv (req, aio_grp_stash));
1562	}	2136	}
1563		2137
1564	void	2138	void
1565	aio_nop (SV *callback=&PL_sv_undef)	2139	aio_nop (SV *callback = &PL_sv_undef)
1566	ALIAS:	2140	ALIAS:
1567	aio_nop = EIO_NOP	2141	aio_nop = EIO_NOP
1568	aio_sync = EIO_SYNC	2142	aio_sync = EIO_SYNC
1569	PPCODE:	2143	PPCODE:
1570	{	2144	{
…		…
1574		2148
1575	REQ_SEND;	2149	REQ_SEND;
1576	}	2150	}
1577		2151
1578	int	2152	int
1579	aioreq_pri (int pri = 0)	2153	aioreq_pri (int pri = NO_INIT)
1580	CODE:	2154	CODE:
1581	RETVAL = next_pri;	2155	RETVAL = next_pri;
1582	if (items > 0)	2156	if (items > 0)
1583	{	2157	{
1584	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	2158	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1674	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	2248	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1675	OUTPUT:	2249	OUTPUT:
1676	RETVAL	2250	RETVAL
1677		2251
1678	void	2252	void
1679	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)	2253	mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1680	PPCODE:	2254	PPCODE:
1681	sv_unmagic (scalar, MMAP_MAGIC);	2255	sv_clear_foreign (scalar);
1682	{	2256	{
1683	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	2257	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1684	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	2258	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1685	if (addr == (void *)-1)	2259	if (addr == (void *)-1)
1686	XSRETURN_NO;	2260	XSRETURN_NO;
1687		2261
1688	sv_force_normal (scalar);	2262	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		2263
1696	if (!(prot & PROT_WRITE))	2264	if (!(prot & PROT_WRITE))
1697	SvREADONLY_on (scalar);	2265	SvREADONLY_on (scalar);
1698		2266
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;	2267	XSRETURN_YES;
1708	}	2268	}
1709		2269
1710	void	2270	void
1711	munmap (SV *scalar)	2271	munmap (SV *scalar)
1712	CODE:	2272	CODE:
1713	sv_unmagic (scalar, MMAP_MAGIC);	2273	sv_clear_foreign (scalar);
		2274
		2275	SV *
		2276	mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
		2277	CODE:
		2278	{
		2279	MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
		2280	void *new;
		2281
		2282	if (!mg || SvPVX (scalar) != mg->mg_ptr)
		2283	croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
		2284
		2285	new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
		2286
		2287	RETVAL = &PL_sv_no;
		2288
		2289	if (new != (void *)-1)
		2290	{
		2291	RETVAL = new == (void *)mg->mg_ptr
		2292	? newSVpvn ("0 but true", 10)
		2293	: &PL_sv_yes;
		2294
		2295	mg->mg_ptr = (char *)new;
		2296	mg->mg_obj = (SV *)new_length;
		2297
		2298	SvPVX (scalar) = mg->mg_ptr;
		2299	SvCUR_set (scalar, new_length);
		2300	}
		2301	}
		2302	OUTPUT:
		2303	RETVAL
1714		2304
1715	int	2305	int
1716	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)	2306	madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1717	ALIAS:	2307	ALIAS:
1718	mprotect = 1	2308	mprotect = 1
1719	CODE:	2309	CODE:
1720	{	2310	{
1721	STRLEN svlen;	2311	STRLEN svlen;
1722	void *addr = SvPVbyte (scalar, svlen);	2312	void *addr = SvPVbyte (scalar, svlen);
1723	size_t len = SvUV (length);	2313	STRLEN len = SvUV (length);
1724		2314
1725	if (offset < 0)	2315	if (offset < 0)
1726	offset += svlen;	2316	offset += svlen;
1727		2317
1728	if (offset < 0 || offset > svlen)	2318	if (offset < 0 || offset > svlen)
…		…
1742	}	2332	}
1743	OUTPUT:	2333	OUTPUT:
1744	RETVAL	2334	RETVAL
1745		2335
1746	int	2336	int
1747	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)	2337	munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
1748	CODE:	2338	CODE:
1749	{	2339	{
1750	STRLEN svlen;	2340	STRLEN svlen;
1751	void *addr = SvPVbyte (scalar, svlen);	2341	void *addr = SvPVbyte (scalar, svlen);
1752	size_t len = SvUV (length);	2342	size_t len = SvUV (length);
1753		2343
1754	if (offset < 0)	2344	if (offset < 0)
1755	offset += svlen;	2345	offset += svlen;
1756		2346
…		…
1763	addr = (void *)(((intptr_t)addr) + offset);	2353	addr = (void *)(((intptr_t)addr) + offset);
1764	eio_page_align (&addr, &len);	2354	eio_page_align (&addr, &len);
1765	#if _POSIX_MEMLOCK_RANGE	2355	#if _POSIX_MEMLOCK_RANGE
1766	RETVAL = munlock (addr, len);	2356	RETVAL = munlock (addr, len);
1767	#else	2357	#else
1768	RETVAL = ((errno = ENOSYS), -1);	2358	RETVAL = EIO_ENOSYS ();
1769	#endif	2359	#endif
1770	}	2360	}
1771	OUTPUT:	2361	OUTPUT:
		2362	RETVAL
		2363
		2364	int
		2365	mlockall (int flags)
		2366	PROTOTYPE: $;
		2367	CODE:
		2368	RETVAL = eio_mlockall_sync (flags);
		2369	OUTPUT:
1772	RETVAL	2370	RETVAL
1773		2371
1774	int	2372	int
1775	munlockall ()	2373	munlockall ()
1776	CODE:	2374	CODE:
1777	#if _POSIX_MEMLOCK	2375	#if _POSIX_MEMLOCK
1778	munlockall ();	2376	munlockall ();
1779	#else	2377	#else
1780	RETVAL = -1;	2378	RETVAL = EIO_ENOSYS ();
1781	errno = ENOSYS;
1782	#endif	2379	#endif
1783	OUTPUT:	2380	OUTPUT:
1784	RETVAL	2381	RETVAL
		2382
		2383	int
		2384	statx (SV8 *pathname, int flags, UV mask)
		2385	CODE:
		2386	{
		2387	/* undocumented, and might go away, and anyway, should use eio_statx */
		2388	SV *wdsv = 0;
		2389	SV *pathsv = 0;
		2390	eio_wd wd = EIO_CWD;
		2391	void *ptr;
		2392	int res;
		2393
		2394	req_set_path (pathname, &wdsv, &pathsv, &wd, &ptr);
		2395	RETVAL = eio__statx (!wd || wd->fd == EIO_CWD ? AT_FDCWD : wd->fd, ptr, flags, mask & STATX_ALL, &stx);
		2396
		2397	SvREFCNT_dec (pathsv);
		2398	SvREFCNT_dec (wdsv);
		2399	}
		2400	OUTPUT:
		2401	RETVAL
		2402
		2403	U32
		2404	stx_mode ()
		2405	PROTOTYPE:
		2406	CODE:
		2407	#if HAVE_STATX
		2408	RETVAL = stx.stx_mode;
		2409	#else
		2410	XSRETURN_UNDEF;
		2411	#endif
		2412	OUTPUT:
		2413	RETVAL
		2414
		2415	#define STATX_OFFSET_mask statx_offsetof (stx_mask)
		2416	#define STATX_OFFSET_blksize statx_offsetof (stx_blksize)
		2417	#define STATX_OFFSET_nlink statx_offsetof (stx_nlink)
		2418	#define STATX_OFFSET_uid statx_offsetof (stx_uid)
		2419	#define STATX_OFFSET_gid statx_offsetof (stx_gid)
		2420	#define STATX_OFFSET_rdev_major statx_offsetof (stx_rdev_major)
		2421	#define STATX_OFFSET_rdev_minor statx_offsetof (stx_rdev_minor)
		2422	#define STATX_OFFSET_dev_major statx_offsetof (stx_dev_major)
		2423	#define STATX_OFFSET_dev_minor statx_offsetof (stx_dev_minor)
		2424	#define STATX_OFFSET_attributes statx_offsetof (stx_attributes)
		2425	#define STATX_OFFSET_ino statx_offsetof (stx_ino)
		2426	#define STATX_OFFSET_size statx_offsetof (stx_size)
		2427	#define STATX_OFFSET_blocks statx_offsetof (stx_blocks)
		2428	#define STATX_OFFSET_attributes_mask statx_offsetof (stx_attributes_mask)
		2429	#define STATX_OFFSET_atime statx_offsetof (stx_atime)
		2430	#define STATX_OFFSET_btime statx_offsetof (stx_btime)
		2431	#define STATX_OFFSET_ctime statx_offsetof (stx_ctime)
		2432	#define STATX_OFFSET_mtime statx_offsetof (stx_mtime)
		2433
		2434	U32
		2435	stx_mask ()
		2436	PROTOTYPE:
		2437	ALIAS:
		2438	stx_mask = STATX_OFFSET_mask
		2439	stx_blksize = STATX_OFFSET_blksize
		2440	stx_nlink = STATX_OFFSET_nlink
		2441	stx_uid = STATX_OFFSET_uid
		2442	stx_gid = STATX_OFFSET_gid
		2443	stx_rdev_major = STATX_OFFSET_rdev_major
		2444	stx_rdev_minor = STATX_OFFSET_rdev_minor
		2445	stx_dev_major = STATX_OFFSET_dev_major
		2446	stx_dev_minor = STATX_OFFSET_dev_minor
		2447	CODE:
		2448	#if HAVE_STATX
		2449	RETVAL = *(__u32 *)((char *)&stx + ix);
		2450	#else
		2451	XSRETURN_UNDEF;
		2452	#endif
		2453	OUTPUT:
		2454	RETVAL
		2455
		2456	VAL64
		2457	stx_attributes ()
		2458	PROTOTYPE:
		2459	ALIAS:
		2460	stx_attributes = STATX_OFFSET_attributes
		2461	stx_ino = STATX_OFFSET_ino
		2462	stx_size = STATX_OFFSET_size
		2463	stx_blocks = STATX_OFFSET_blocks
		2464	stx_attributes_mask = STATX_OFFSET_attributes_mask
		2465	CODE:
		2466	#if HAVE_STATX
		2467	RETVAL = *(__u64 *)((char *)&stx + ix);
		2468	#else
		2469	XSRETURN_UNDEF;
		2470	#endif
		2471	OUTPUT:
		2472	RETVAL
		2473
		2474	NV
		2475	stx_atime ()
		2476	PROTOTYPE:
		2477	ALIAS:
		2478	stx_atime = STATX_OFFSET_atime
		2479	stx_btime = STATX_OFFSET_btime
		2480	stx_ctime = STATX_OFFSET_ctime
		2481	stx_mtime = STATX_OFFSET_mtime
		2482	CODE:
		2483	#if HAVE_STATX
		2484	struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
		2485	RETVAL = ts->tv_sec + ts->tv_nsec * 1e-9;
		2486	#else
		2487	XSRETURN_UNDEF;
		2488	#endif
		2489	OUTPUT:
		2490	RETVAL
		2491
		2492	VAL64
		2493	stx_atimesec ()
		2494	PROTOTYPE:
		2495	ALIAS:
		2496	stx_atimesec = STATX_OFFSET_atime
		2497	stx_btimesec = STATX_OFFSET_btime
		2498	stx_ctimesec = STATX_OFFSET_ctime
		2499	stx_mtimesec = STATX_OFFSET_mtime
		2500	CODE:
		2501	#if HAVE_STATX
		2502	struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
		2503	RETVAL = ts->tv_sec;
		2504	#else
		2505	XSRETURN_UNDEF;
		2506	#endif
		2507	OUTPUT:
		2508	RETVAL
		2509
		2510	U32
		2511	stx_atimensec ()
		2512	PROTOTYPE:
		2513	ALIAS:
		2514	stx_atimensec = STATX_OFFSET_atime
		2515	stx_btimensec = STATX_OFFSET_btime
		2516	stx_ctimensec = STATX_OFFSET_ctime
		2517	stx_mtimensec = STATX_OFFSET_mtime
		2518	CODE:
		2519	#if HAVE_STATX
		2520	struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
		2521	RETVAL = ts->tv_nsec;
		2522	#else
		2523	RETVAL = 0;
		2524	#endif
		2525	OUTPUT:
		2526	RETVAL
		2527
		2528	void
		2529	accept4 (aio_rfd rfh, SV *sockaddr, int salen, int flags)
		2530	PPCODE:
		2531	{
		2532	SV *retval;
		2533	#if HAVE_ACCEPT4
		2534	socklen_t salen_ = salen ? salen + 1 : 0;
		2535
		2536	if (salen)
		2537	{
		2538	sv_upgrade (sockaddr, SVt_PV);
		2539	sv_grow (sockaddr, salen_);
		2540	}
		2541
		2542	int res = accept4 (rfh, salen ? (struct sockaddr *)SvPVX (sockaddr) : 0, salen ? &salen_ : 0, flags);
		2543
		2544	retval = newmortalFH (res, O_RDWR);
		2545
		2546	if (res >= 0 && salen > 0)
		2547	{
		2548	if (salen_ > salen + 1)
		2549	salen_ = salen + 1;
		2550
		2551	SvPOK_only (sockaddr);
		2552	SvCUR_set (sockaddr, salen_);
		2553	}
		2554	#else
		2555	errno = ENOSYS;
		2556	retval = &PL_sv_undef;
		2557	#endif
		2558	XPUSHs (retval);
		2559	}
		2560
		2561	ssize_t
		2562	splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
		2563	CODE:
		2564	{
		2565	#if HAVE_LINUX_SPLICE
		2566	loff_t off_in_, off_out_;
		2567	RETVAL = splice (
		2568	rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
		2569	wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
		2570	length, flags
		2571	);
		2572	#else
		2573	RETVAL = EIO_ENOSYS ();
		2574	#endif
		2575	}
		2576	OUTPUT:
		2577	RETVAL
		2578
		2579	ssize_t
		2580	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
		2581	CODE:
		2582	#if HAVE_LINUX_SPLICE
		2583	RETVAL = tee (rfh, wfh, length, flags);
		2584	#else
		2585	RETVAL = EIO_ENOSYS ();
		2586	#endif
		2587	OUTPUT:
		2588	RETVAL
		2589
		2590	int
		2591	pipesize (aio_rfd rfh, int new_size = -1)
		2592	PROTOTYPE: $;$
		2593	CODE:
		2594	#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
		2595	if (new_size >= 0)
		2596	RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
		2597	else
		2598	RETVAL = fcntl (rfh, F_GETPIPE_SZ);
		2599	#else
		2600	errno = ENOSYS;
		2601	RETVAL = -1;
		2602	#endif
		2603	OUTPUT:
		2604	RETVAL
		2605
		2606	void
		2607	pipe2 (int flags = 0)
		2608	PROTOTYPE: ;$
		2609	PPCODE:
		2610	{
		2611	int fd[2];
		2612	int res;
		2613
		2614	if (flags)
		2615	#if HAVE_PIPE2
		2616	res = pipe2 (fd, flags);
		2617	#else
		2618	res = (errno = ENOSYS, -1);
		2619	#endif
		2620	else
		2621	res = pipe (fd);
		2622
		2623	if (!res)
		2624	{
		2625	EXTEND (SP, 2);
		2626	PUSHs (newmortalFH (fd[0], O_RDONLY));
		2627	PUSHs (newmortalFH (fd[1], O_WRONLY));
		2628	}
		2629	}
		2630
		2631	void
		2632	pidfd_open (int pid, unsigned int flags = 0)
		2633	PPCODE:
		2634	{
		2635	/*GENDEF0_SYSCALL(pidfd_open,434)*/
		2636	int fd = syscall (SYS_pidfd_open, pid, flags);
		2637	XPUSHs (newmortalFH (fd, O_RDWR));
		2638	}
		2639
		2640	int
		2641	pidfd_send_signal (SV *pidfh, int sig, SV *siginfo = &PL_sv_undef, unsigned int flags = 0)
		2642	PPCODE:
		2643	{
		2644	int res;
		2645	siginfo_t si = { 0 };
		2646
		2647	if (SvOK (siginfo))
		2648	{
		2649	HV *hv;
		2650	SV **svp;
		2651
		2652	if (!SvROK (siginfo) || SvTYPE (SvRV (siginfo)) != SVt_PVHV)
		2653	croak ("siginfo argument must be a hashref code, pid, uid and value_int or value_ptr members, caught");
		2654
		2655	hv = (HV *)SvRV (siginfo);
		2656
		2657	if ((svp = hv_fetchs (hv, "code" , 0))) si.si_code = SvIV (*svp);
		2658	if ((svp = hv_fetchs (hv, "pid" , 0))) si.si_pid = SvIV (*svp);
		2659	if ((svp = hv_fetchs (hv, "uid" , 0))) si.si_uid = SvIV (*svp);
		2660	if ((svp = hv_fetchs (hv, "value_int", 0))) si.si_value.sival_int = SvIV (*svp);
		2661	if ((svp = hv_fetchs (hv, "value_ptr", 0))) si.si_value.sival_ptr = (void *)SvIV (*svp);
		2662	}
		2663
		2664	/*GENDEF0_SYSCALL(pidfd_send_signal,424)*/
		2665	res = syscall (SYS_pidfd_send_signal, s_fileno_croak (pidfh, 0), sig, SvOK (siginfo) ? &si : 0, flags);
		2666
		2667	XPUSHs (sv_2mortal (newSViv (res)));
		2668	}
		2669
		2670	void
		2671	pidfd_getfd (SV *pidfh, int targetfd, unsigned int flags = 0)
		2672	PPCODE:
		2673	{
		2674	/*GENDEF0_SYSCALL(pidfd_getfd,438)*/
		2675	int fd = syscall (SYS_pidfd_getfd, s_fileno_croak (pidfh, 0), targetfd, flags);
		2676	XPUSHs (newmortalFH (fd, O_RDWR));
		2677	}
		2678
		2679	void
		2680	eventfd (unsigned int initval = 0, int flags = 0)
		2681	PPCODE:
		2682	{
		2683	int fd;
		2684	#if HAVE_EVENTFD
		2685	fd = eventfd (initval, flags);
		2686	#else
		2687	fd = (errno = ENOSYS, -1);
		2688	#endif
		2689
		2690	XPUSHs (newmortalFH (fd, O_RDWR));
		2691	}
		2692
		2693	void
		2694	timerfd_create (int clockid, int flags = 0)
		2695	PPCODE:
		2696	{
		2697	int fd;
		2698	#if HAVE_TIMERFD
		2699	fd = timerfd_create (clockid, flags);
		2700	#else
		2701	fd = (errno = ENOSYS, -1);
		2702	#endif
		2703
		2704	XPUSHs (newmortalFH (fd, O_RDWR));
		2705	}
		2706
		2707	void
		2708	timerfd_settime (SV *fh, int flags, NV interval, NV value)
		2709	PPCODE:
		2710	{
		2711	int fd = s_fileno_croak (fh, 0);
		2712	#if HAVE_TIMERFD
		2713	int res;
		2714	struct itimerspec its, ots;
		2715
		2716	ts_set (&its.it_interval, interval);
		2717	ts_set (&its.it_value , value);
		2718	res = timerfd_settime (fd, flags, &its, &ots);
		2719
		2720	if (!res)
		2721	{
		2722	EXTEND (SP, 2);
		2723	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2724	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2725	}
		2726	#else
		2727	errno = ENOSYS;
		2728	#endif
		2729	}
		2730
		2731	void
		2732	timerfd_gettime (SV *fh)
		2733	PPCODE:
		2734	{
		2735	int fd = s_fileno_croak (fh, 0);
		2736	#if HAVE_TIMERFD
		2737	int res;
		2738	struct itimerspec ots;
		2739	res = timerfd_gettime (fd, &ots);
		2740
		2741	if (!res)
		2742	{
		2743	EXTEND (SP, 2);
		2744	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2745	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2746	}
		2747	#else
		2748	errno = ENOSYS;
		2749	#endif
		2750	}
		2751
		2752	void
		2753	memfd_create (SV8 *pathname, int flags = 0)
		2754	PPCODE:
		2755	{
		2756	int fd;
		2757	#if HAVE_MEMFD_CREATE
		2758	fd = memfd_create (SvPVbyte_nolen (pathname), flags);
		2759	#else
		2760	fd = (errno = ENOSYS, -1);
		2761	#endif
		2762
		2763	XPUSHs (newmortalFH (fd, O_RDWR));
		2764	}
		2765
		2766	UV
		2767	get_fdlimit ()
		2768	CODE:
		2769	#if HAVE_RLIMITS
		2770	struct rlimit rl;
		2771	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2772	XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
		2773	#endif
		2774	XSRETURN_UNDEF;
		2775	OUTPUT:
		2776	RETVAL
		2777
		2778	void
		2779	min_fdlimit (UV limit = 0x7fffffffU)
		2780	CODE:
		2781	{
		2782	#if HAVE_RLIMITS
		2783	struct rlimit rl;
		2784	rlim_t orig_rlim_max;
		2785	UV bit;
		2786
		2787	if (0 != getrlimit (RLIMIT_NOFILE, &rl))
		2788	goto fail;
		2789
		2790	if (rl.rlim_cur == RLIM_INFINITY)
		2791	XSRETURN_YES;
		2792
		2793	orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
		2794
		2795	if (rl.rlim_cur < limit)
		2796	{
		2797	rl.rlim_cur = limit;
		2798
		2799	if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
		2800	rl.rlim_max = rl.rlim_cur;
		2801	}
		2802
		2803	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2804	XSRETURN_YES;
		2805
		2806	if (errno == EPERM)
		2807	{
		2808	/* setrlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
		2809	/* our limit overflows a system-wide limit */
		2810	/* try an adaptive algorithm, but do not lower the hardlimit */
		2811	rl.rlim_max = 0;
		2812	for (bit = 0x40000000U; bit; bit >>= 1)
		2813	{
		2814	rl.rlim_max |= bit;
		2815	rl.rlim_cur = rl.rlim_max;
		2816
		2817	/* never decrease the hard limit */
		2818	if (rl.rlim_max < orig_rlim_max)
		2819	break;
		2820
		2821	if (0 != setrlimit (RLIMIT_NOFILE, &rl))
		2822	rl.rlim_max &= ~bit; /* too high, remove bit again */
		2823	}
		2824
		2825	/* now, raise the soft limit to the max permitted */
		2826	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2827	{
		2828	rl.rlim_cur = rl.rlim_max;
		2829	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2830	errno = EPERM;
		2831	}
		2832	}
		2833	#endif
		2834	fail:
		2835	XSRETURN_UNDEF;
		2836	}
1785		2837
1786	void _on_next_submit (SV *cb)	2838	void _on_next_submit (SV *cb)
1787	CODE:	2839	CODE:
1788	SvREFCNT_dec (on_next_submit);	2840	SvREFCNT_dec (on_next_submit);
1789	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	2841	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
…		…
1824	cancel (aio_req_ornot req)	2876	cancel (aio_req_ornot req)
1825	CODE:	2877	CODE:
1826	eio_cancel (req);	2878	eio_cancel (req);
1827		2879
1828	void	2880	void
1829	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	2881	cb (aio_req_ornot req, SV *callback = NO_INIT)
1830	PPCODE:	2882	PPCODE:
1831	{	2883	{
1832	if (GIMME_V != G_VOID)	2884	if (GIMME_V != G_VOID)
1833	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	2885	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1834		2886
1835	if (items > 1)	2887	if (items > 1)
1836	{	2888	{
1837	SV *cb_cv =get_cb (callback);	2889	SV *cb_cv = get_cb (callback);
1838		2890
1839	SvREFCNT_dec (req->callback);	2891	SvREFCNT_dec (req->callback);
1840	req->callback = SvREFCNT_inc (cb_cv);	2892	req->callback = SvREFCNT_inc (cb_cv);
1841	}	2893	}
1842	}	2894	}
…		…
1899	limit (aio_req grp, int limit)	2951	limit (aio_req grp, int limit)
1900	CODE:	2952	CODE:
1901	eio_grp_limit (grp, limit);	2953	eio_grp_limit (grp, limit);
1902		2954
1903	void	2955	void
1904	feed (aio_req grp, SV *callback=&PL_sv_undef)	2956	feed (aio_req grp, SV *callback = &PL_sv_undef)
1905	CODE:	2957	CODE:
1906	{	2958	{
1907	SvREFCNT_dec (grp->sv2);	2959	SvREFCNT_dec (grp->sv2);
1908	grp->sv2 = newSVsv (callback);	2960	grp->sv2 = newSVsv (callback);
1909	grp->feed = aio_grp_feed;	2961	grp->feed = aio_grp_feed;

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