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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.211 by root, Sat Apr 7 00:50:33 2012 UTC vs.
Revision 1.282 by root, Wed Feb 26 15:49:25 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	/*****************************************************************************/
		232
		233	#if !_POSIX_MAPPED_FILES
		234	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
		235	# define munmap(addr,length) EIO_ENOSYS ()
		236	#endif
		237
		238	#if !_POSIX_MEMORY_PROTECTION
		239	# define mprotect(addr,len,prot) EIO_ENOSYS ()
		240	#endif
		241
		242	#if !MREMAP_MAYMOVE
		243	# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
		244	#endif
		245
		246	#define FOREIGN_MAGIC PERL_MAGIC_ext
		247
		248	static int ecb_cold
		249	mmap_free (pTHX_ SV *sv, MAGIC *mg)
		250	{
		251	int old_errno = errno;
		252	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		253	errno = old_errno;
		254
		255	mg->mg_obj = 0; /* just in case */
		256
		257	SvREADONLY_off (sv);
		258
		259	if (SvPVX (sv) != mg->mg_ptr)
		260	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		261
		262	SvCUR_set (sv, 0);
		263	SvPVX (sv) = 0;
		264	SvOK_off (sv);
		265
		266	return 0;
		267	}
		268
		269	static MGVTBL mmap_vtbl = {
		270	0, 0, 0, 0, mmap_free
		271	};
		272
		273	static int ecb_cold
		274	sysfree_free (pTHX_ SV *sv, MAGIC *mg)
		275	{
		276	free (mg->mg_ptr);
		277	mg->mg_obj = 0; /* just in case */
		278
		279	SvREADONLY_off (sv);
		280
		281	if (SvPVX (sv) != mg->mg_ptr)
		282	croak ("ERROR: IO::AIO mapped scalar changed location, detected");
		283
		284	SvCUR_set (sv, 0);
		285	SvPVX (sv) = 0;
		286	SvOK_off (sv);
		287
		288	return 0;
		289	}
		290
		291	static MGVTBL sysfree_vtbl = {
		292	0, 0, 0, 0, sysfree_free
		293	};
		294
		295	/*****************************************************************************/
		296
		297	/* helper: set scalar to foreign ptr with custom free */
		298	ecb_noinline
		299	static void
		300	sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
		301	{
		302	sv_force_normal (sv);
		303
		304	/* we store the length in mg_obj, as namlen is I32 :/ */
		305	sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
		306	->mg_obj = (SV *)length;
		307
		308	SvUPGRADE (sv, SVt_PV); /* nop... */
		309
		310	if (SvLEN (sv))
		311	Safefree (SvPVX (sv));
		312
		313	SvPVX (sv) = (char *)addr;
		314	SvCUR_set (sv, length);
		315	SvLEN_set (sv, 0);
		316	SvPOK_only (sv);
		317	}
		318
		319	static void
		320	sv_clear_foreign (SV *sv)
		321	{
		322	/* todo: iterate over magic and only free ours, but of course */
		323	/* the perl5porters will call that (correct) behaviour buggy */
		324	sv_unmagic (sv, FOREIGN_MAGIC);
		325	}
		326
		327	/*****************************************************************************/
		328
		329	/* defines all sorts of constants to 0 unless they are already defined */
		330	/* also provides const_iv_ and const_niv_ macros for them */
		331	#include "def0.h"
160		332
161	/*****************************************************************************/	333	/*****************************************************************************/
162		334
163	static void	335	static void
164	fiemap (eio_req *req)	336	fiemap (eio_req *req)
165	{	337	{
166	req->result = -1;	338	req->result = -1;
167		339
168	#if HAVE_FIEMAP	340	#if HAVE_FIEMAP
		341	/* assume some c99 */
		342	struct fiemap *fiemap = 0;
		343	size_t end_offset;
169	int count = req->int3;	344	int count = req->int3;
170		345
171	/* heuristic: first try with 64 extents if we don't know how many, */	346	req->flags |= EIO_FLAG_PTR1_FREE;
172	/* as most files have (hopefully) fewer than this many extents */	347
173	/* in fact, most should have <= 2, so maybe the 72 below is probably overkill */	348	/* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
		349	/* increase in 3.5kb steps */
174	if (count < 0)	350	if (count < 0)
175	count = 72; /* for what it's worth, 72 extents fit nicely into 4kb */	351	count = 8;
		352
		353	fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		354	errno = ENOMEM;
		355	if (!fiemap)
		356	return;
		357
		358	req->ptr1 = fiemap;
		359
		360	fiemap->fm_start = req->offs;
		361	fiemap->fm_length = req->size;
		362	fiemap->fm_flags = req->int2;
		363	fiemap->fm_extent_count = count;
		364
		365	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
		366	return;
		367
		368	if (req->int3 >= 0 /* not autosizing */
		369	|| !fiemap->fm_mapped_extents /* no more extents */
		370	|| fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
		371	goto done;
		372
		373	/* else we have to loop -
		374	* it would be tempting (actually I tried that first) to just query the
		375	* number of extents needed, but linux often feels like not returning all
		376	* extents, without telling us it left any out. this complicates
		377	* this quite a bit.
		378	*/
		379
		380	end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
176		381
177	for (;;)	382	for (;;)
178	{	383	{
		384	/* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
		385	char scratch[3072];
		386	struct fiemap *incmap = (struct fiemap *)scratch;
		387
		388	incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
		389	+ fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
		390	incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
		391	incmap->fm_flags = fiemap->fm_flags;
		392	incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
		393
		394	if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
		395	return;
		396
		397	if (!incmap->fm_mapped_extents)
		398	goto done;
		399
		400	count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
179	struct fiemap *fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);	401	fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
180	errno = ENOMEM;	402	errno = ENOMEM;
181	if (!fiemap)	403	if (!fiemap)
182	return;	404	return;
183		405
184	req->ptr1 = fiemap;	406	req->ptr1 = fiemap;
185	req->flags |= EIO_FLAG_PTR1_FREE;
186		407
187	fiemap->fm_start = req->offs;	408	for (count = 0; count < incmap->fm_mapped_extents; ++count)
188	fiemap->fm_length = req->size;	409	{
189	fiemap->fm_flags = req->int2;	410	struct fiemap_extent *e = incmap->fm_extents + count;
190	fiemap->fm_extent_count = count;
191		411
192	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap))	412	if (e->fe_logical + e->fe_length >= end_offset)
193	return;	413	goto done;
194		414
195	if (req->int3 >= 0)	415	fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
196	break; /* when not autosizing we are done */
197		416
198	if (fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST)	417	if (e->fe_flags & FIEMAP_EXTENT_LAST)
199	break; /* autosizing successful, we are done */	418	goto done;
200		419
201	fiemap->fm_flags = req->int2;	420	}
202	fiemap->fm_extent_count = 0;
203
204	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap))
205	return;
206
207	count = fiemap->fm_mapped_extents;
208
209	free (fiemap);
210	}	421	}
211		422
		423	done:
212	req->result = 0;	424	req->result = 0;
213		425
214	#else	426	#else
215	errno = ENOSYS;	427	errno = ENOSYS;
216	#endif	428	#endif
217	}	429	}
218		430
219	/*****************************************************************************/	431	/*****************************************************************************/
		432
		433	static int close_fd; /* dummy fd to close fds via dup2 */
		434
		435	#if HAVE_STATX
		436	static struct statx stx;
		437	#define statx_offsetof(member) offsetof (struct statx, member)
		438	#define eio__statx statx
		439	#else
		440	#define statx_offsetof(member) 0
		441	#define eio__statx(dir,path,flags,mask,stx) EIO_ENOSYS()
		442	#endif
220		443
221	enum {	444	enum {
222	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	445	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
223	};	446	};
224		447
…		…
248	/* read any signals sent by the worker threads */	471	/* read any signals sent by the worker threads */
249	s_epipe_drain (&respipe);	472	s_epipe_drain (&respipe);
250	}	473	}
251		474
252	/* must be called at most once */	475	/* must be called at most once */
		476	ecb_noinline
253	static SV *	477	static SV *
254	req_sv (aio_req req, HV *stash)	478	req_sv (aio_req req, HV *stash)
255	{	479	{
256	if (!req->self)	480	if (!req->self)
257	{	481	{
…		…
263	}	487	}
264		488
265	static SV *	489	static SV *
266	newSVaio_wd (aio_wd wd)	490	newSVaio_wd (aio_wd wd)
267	{	491	{
268	return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash);	492	return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
269	}	493	}
270		494
		495	ecb_noinline
271	static aio_req	496	static aio_req
272	SvAIO_REQ (SV *sv)	497	SvAIO_REQ (SV *sv)
273	{	498	{
274	MAGIC *mg;	499	MAGIC *mg;
275		500
…		…
292	|| SvTYPE (SvRV (sv)) != SVt_PVMG	517	|| SvTYPE (SvRV (sv)) != SVt_PVMG
293	|| SvSTASH (SvRV (sv)) != aio_wd_stash)	518	|| SvSTASH (SvRV (sv)) != aio_wd_stash)
294	croak ("IO::AIO: expected a working directory object as returned by aio_wd");	519	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
295		520
296	return (aio_wd)(long)SvIVX (SvRV (sv));	521	return (aio_wd)(long)SvIVX (SvRV (sv));
		522	}
		523
		524	static SV *
		525	newmortalFH (int fd, int flags)
		526	{
		527	if (fd < 0)
		528	return &PL_sv_undef;
		529
		530	GV *gv = (GV *)sv_newmortal ();
		531	char sym[64];
		532	int symlen;
		533
		534	symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
		535	gv_init (gv, aio_stash, sym, symlen, 0);
		536
		537	symlen = snprintf (
		538	sym,
		539	sizeof (sym),
		540	"%s&=%d",
		541	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
		542	fd
		543	);
		544
		545	return do_open (gv, sym, symlen, 0, 0, 0, 0)
		546	? (SV *)gv : &PL_sv_undef;
297	}	547	}
298		548
299	static void	549	static void
300	aio_grp_feed (aio_req grp)	550	aio_grp_feed (aio_req grp)
301	{	551	{
…		…
313	FREETMPS;	563	FREETMPS;
314	LEAVE;	564	LEAVE;
315	}	565	}
316	}	566	}
317		567
		568	ecb_noinline
318	static void	569	static void
319	req_submit (eio_req *req)	570	req_submit (eio_req *req)
320	{	571	{
321	eio_submit (req);	572	eio_submit (req);
322		573
…		…
429	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));	680	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
430	}	681	}
431	break;	682	break;
432		683
433	case EIO_OPEN:	684	case EIO_OPEN:
434	{	685	PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
435	/* convert fd to fh */
436	SV *fh = &PL_sv_undef;
437
438	if (req->result >= 0)
439	{
440	GV *gv = (GV *)sv_newmortal ();
441	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
442	char sym [64];
443	int symlen;
444
445	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
446	gv_init (gv, aio_stash, sym, symlen, 0);
447
448	symlen = snprintf (
449	sym,
450	sizeof (sym),
451	"%s&=%d",
452	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
453	(int)req->result
454	);
455
456	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
457	fh = (SV *)gv;
458	}
459
460	PUSHs (fh);
461	}
462	break;	686	break;
463		687
464	case EIO_STATVFS:	688	case EIO_STATVFS:
465	case EIO_FSTATVFS:	689	case EIO_FSTATVFS:
466	{	690	{
…		…
469	#ifndef _WIN32	693	#ifndef _WIN32
470	if (req->result >= 0)	694	if (req->result >= 0)
471	{	695	{
472	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	696	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
473	HV *hv = newHV ();	697	HV *hv = newHV ();
		698	/* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
		699	* chooses to make it a struct.
		700	*/
		701	unsigned long fsid = 0;
		702	memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
474		703
475	rv = sv_2mortal (newRV_noinc ((SV *)hv));	704	rv = sv_2mortal (newRV_noinc ((SV *)hv));
476		705
477	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);	706	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
478	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);	707	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
…		…
480	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);	709	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
481	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);	710	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
482	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);	711	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
483	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);	712	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
484	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);	713	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
485	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);	714	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
486	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);	715	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
487	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);	716	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
488	}	717	}
489	#endif	718	#endif
490		719
…		…
541	SvSETMAGIC (req->sv2);	770	SvSETMAGIC (req->sv2);
542	PUSHs (sv_result);	771	PUSHs (sv_result);
543	}	772	}
544	break;	773	break;
545		774
		775	case EIO_SLURP:
		776	{
		777	if (req->result >= 0)
		778	{
		779	/* if length was originally not known, we steal the malloc'ed memory */
		780	if (req->flags & EIO_FLAG_PTR2_FREE)
		781	{
		782	req->flags &= ~EIO_FLAG_PTR2_FREE;
		783	sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
		784	}
		785	else
		786	{
		787	SvCUR_set (req->sv2, req->result);
		788	*SvEND (req->sv2) = 0;
		789	SvPOK_only (req->sv2);
		790	}
		791
		792	SvSETMAGIC (req->sv2);
		793	}
		794
		795	PUSHs (sv_result);
		796	}
		797	break;
		798
546	case EIO_CUSTOM:	799	case EIO_CUSTOM:
547	if (req->feed == fiemap)	800	if (req->feed == fiemap)
548	{	801	{
549	#if HAVE_FIEMAP	802	#if HAVE_FIEMAP
550	if (!req->result)	803	if (!req->result)
…		…
581	}	834	}
582	else	835	else
583	PUSHs (sv_result);	836	PUSHs (sv_result);
584	break;	837	break;
585		838
		839	#if 0
		840	case EIO_CLOSE:
		841	PerlIOUnix_refcnt_dec (req->int1);
		842	break;
		843	#endif
		844
586	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */	845	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
587	if (req->result > 0)	846	if (req->result > 0)
588	SvIV_set (sv_result, 0);	847	SvIV_set (sv_result, 0);
589	/* FALLTHROUGH */	848	/* FALLTHROUGH */
590		849
…		…
641	grp->sv2 = 0;	900	grp->sv2 = 0;
642		901
643	eio_grp_cancel (grp);	902	eio_grp_cancel (grp);
644	}	903	}
645		904
646	static void ecb_cold	905	ecb_cold
		906	static void
647	create_respipe (void)	907	create_respipe (void)
648	{	908	{
649	if (s_epipe_renew (&respipe))	909	if (s_epipe_renew (&respipe))
650	croak ("IO::AIO: unable to initialize result pipe");	910	croak ("IO::AIO: unable to initialize result pipe");
651	}	911	}
…		…
655	{	915	{
656	while (eio_nreqs ())	916	while (eio_nreqs ())
657	{	917	{
658	int size;	918	int size;
659		919
660	X_LOCK (reslock);	920	X_LOCK (EIO_POOL->reslock);
661	size = res_queue.size;	921	size = EIO_POOL->res_queue.size;
662	X_UNLOCK (reslock);	922	X_UNLOCK (EIO_POOL->reslock);
663		923
664	if (size)	924	if (size)
665	return;	925	return;
666		926
667	etp_maybe_start_thread ();	927	etp_maybe_start_thread (EIO_POOL);
668		928
669	s_epipe_wait (&respipe);	929	s_epipe_wait (&respipe);
670	}	930	}
671	}	931	}
672		932
…		…
685		945
686	poll_wait ();	946	poll_wait ();
687	}	947	}
688	}	948	}
689		949
690	static void ecb_cold	950	ecb_cold
		951	static void
691	reinit (void)	952	reinit (void)
692	{	953	{
693	create_respipe ();	954	create_respipe ();
694		955
695	if (eio_init (want_poll, done_poll) < 0)	956	if (eio_init (want_poll, done_poll) < 0)
696	croak ("IO::AIO: unable to initialise eio library");	957	croak ("IO::AIO: unable to initialise eio library");
697	}	958	}
698		959
699	/*****************************************************************************/	960	/*****************************************************************************/
700		961
701	#if !_POSIX_MAPPED_FILES
702	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
703	# define munmap(addr,length) (errno = ENOSYS, -1)
704	#endif
705
706	#if !_POSIX_MEMORY_PROTECTION
707	# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
708	# define PROT_NONE 0
709	# define PROT_WRITE 0
710	# define MAP_PRIVATE 0
711	# define MAP_SHARED 0
712	# define MAP_FIXED 0
713	#endif
714
715	#define MMAP_MAGIC PERL_MAGIC_ext
716
717	static int ecb_cold
718	mmap_free (pTHX_ SV *sv, MAGIC *mg)
719	{
720	int old_errno = errno;
721	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
722	errno = old_errno;
723
724	mg->mg_obj = 0; /* just in case */
725
726	SvREADONLY_off (sv);
727
728	if (SvPVX (sv) != mg->mg_ptr)
729	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
730
731	SvCUR_set (sv, 0);
732	SvPVX (sv) = 0;
733	SvOK_off (sv);
734
735	return 0;
736	}
737
738	static MGVTBL mmap_vtbl = {
739	0, 0, 0, 0, mmap_free
740	};
741
742	/*****************************************************************************/
743
744	static SV *	962	static SV *
745	get_cb (SV *cb_sv)	963	get_cb (SV *cb_sv)
746	{	964	{
747	SvGETMAGIC (cb_sv);	965	SvGETMAGIC (cb_sv);
748	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	966	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
749	}	967	}
750		968
		969	ecb_noinline
751	static aio_req ecb_noinline	970	static aio_req ecb_noinline
752	dreq (SV *callback)	971	dreq (SV *callback)
753	{	972	{
754	SV *cb_cv;	973	SV *cb_cv;
755	aio_req req;	974	aio_req req;
…		…
777	SPAGAIN; \	996	SPAGAIN; \
778	\	997	\
779	if (GIMME_V != G_VOID) \	998	if (GIMME_V != G_VOID) \
780	XPUSHs (req_sv (req, aio_req_stash));	999	XPUSHs (req_sv (req, aio_req_stash));
781		1000
		1001	/* *wdsv, *pathsv, *wd and *ptr must be 0-initialized */
782	ecb_inline void	1002	ecb_inline
		1003	void
783	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)	1004	req_set_path (SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
784	{	1005	{
785	if (expect_false (SvROK (path)))	1006	if (expect_false (SvROK (path)))
786	{	1007	{
787	SV *rv = SvRV (path);	1008	SV *rv = SvRV (path);
788	SV *wdob;	1009	SV *wdob;
…		…
813		1034
814	*pathsv = newSVsv (path);	1035	*pathsv = newSVsv (path);
815	*ptr = SvPVbyte_nolen (*pathsv);	1036	*ptr = SvPVbyte_nolen (*pathsv);
816	}	1037	}
817		1038
818	static void ecb_noinline	1039	ecb_noinline
		1040	static void
819	req_set_path1 (aio_req req, SV *path)	1041	req_set_path1 (aio_req req, SV *path)
820	{	1042	{
821	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);	1043	req_set_path (path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
822	}	1044	}
823		1045
824	static void ecb_noinline	1046	ecb_noinline
		1047	static void
825	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)	1048	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
826	{	1049	{
827	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;	1050	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
828		1051
829	switch (SvTYPE (rv))	1052	switch (SvTYPE (rv))
…		…
841	req_set_path1 (req, fh_or_path);	1064	req_set_path1 (req, fh_or_path);
842	break;	1065	break;
843	}	1066	}
844	}	1067	}
845		1068
		1069	/*****************************************************************************/
		1070
		1071	static void
		1072	ts_set (struct timespec *ts, NV value)
		1073	{
		1074	ts->tv_sec = value;
		1075	ts->tv_nsec = (value - ts->tv_sec) * 1e9;
		1076	}
		1077
		1078	static NV
		1079	ts_get (const struct timespec *ts)
		1080	{
		1081	return ts->tv_sec + ts->tv_nsec * 1e-9;
		1082	}
		1083
		1084	/*****************************************************************************/
		1085
846	XS(boot_IO__AIO) ecb_cold;	1086	XS(boot_IO__AIO) ecb_cold;
847		1087
848	MODULE = IO::AIO PACKAGE = IO::AIO	1088	MODULE = IO::AIO PACKAGE = IO::AIO
849		1089
850	PROTOTYPES: ENABLE	1090	PROTOTYPES: ENABLE
…		…
857	} *civ, const_iv[] = {	1097	} *civ, const_iv[] = {
858	# define const_niv(name, value) { # name, (IV) value },	1098	# define const_niv(name, value) { # name, (IV) value },
859	# define const_iv(name) { # name, (IV) name },	1099	# define const_iv(name) { # name, (IV) name },
860	# define const_eio(name) { # name, (IV) EIO_ ## name },	1100	# define const_eio(name) { # name, (IV) EIO_ ## name },
861		1101
862	/* you have to re-run ./gendef0 after adding/Removing any constants here */	1102	/* you have to re-run ./gendef0 after adding/removing any constants here */
863		1103	/* the first block can be undef if missing */
864	const_iv (ENOSYS)	1104	const_iv (ENOSYS)
865	const_iv (EXDEV)	1105	const_iv (EXDEV)
866	const_iv (EBADR)	1106	const_iv (EBADR)
		1107
		1108	/* for lseek */
		1109	const_iv (SEEK_DATA)
		1110	const_iv (SEEK_HOLE)
		1111
		1112	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
		1113	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		1114	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
		1115	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		1116	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		1117	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		1118
		1119	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		1120	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		1121	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		1122	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		1123	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		1124
		1125	/* the second block will be 0 when missing */
		1126	const_iv (O_ACCMODE)
867		1127
868	const_iv (O_RDONLY)	1128	const_iv (O_RDONLY)
869	const_iv (O_WRONLY)	1129	const_iv (O_WRONLY)
870	const_iv (O_RDWR)	1130	const_iv (O_RDWR)
871	const_iv (O_CREAT)	1131	const_iv (O_CREAT)
…		…
885	const_iv (O_SEARCH)	1145	const_iv (O_SEARCH)
886	const_iv (O_DIRECTORY)	1146	const_iv (O_DIRECTORY)
887	const_iv (O_DSYNC)	1147	const_iv (O_DSYNC)
888	const_iv (O_RSYNC)	1148	const_iv (O_RSYNC)
889	const_iv (O_SYNC)	1149	const_iv (O_SYNC)
		1150	const_iv (O_PATH)
		1151	const_iv (O_TMPFILE)
890	const_iv (O_TTY_INIT)	1152	const_iv (O_TTY_INIT)
891		1153
892	const_iv (S_IFIFO)	1154	const_iv (S_IFIFO)
893	const_iv (S_IFCHR)	1155	const_iv (S_IFCHR)
894	const_iv (S_IFBLK)	1156	const_iv (S_IFBLK)
…		…
896	const_iv (S_IFREG)	1158	const_iv (S_IFREG)
897	const_iv (S_IFDIR)	1159	const_iv (S_IFDIR)
898	const_iv (S_IFWHT)	1160	const_iv (S_IFWHT)
899	const_iv (S_IFSOCK)	1161	const_iv (S_IFSOCK)
900	const_iv (S_IFMT)	1162	const_iv (S_IFMT)
901
902	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
903	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
904	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
905	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
906	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
907	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
908
909	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
910	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
911	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
912	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
913	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
914		1163
915	const_iv (ST_RDONLY)	1164	const_iv (ST_RDONLY)
916	const_iv (ST_NOSUID)	1165	const_iv (ST_NOSUID)
917	const_iv (ST_NODEV)	1166	const_iv (ST_NODEV)
918	const_iv (ST_NOEXEC)	1167	const_iv (ST_NOEXEC)
…		…
928	const_iv (PROT_NONE)	1177	const_iv (PROT_NONE)
929	const_iv (PROT_EXEC)	1178	const_iv (PROT_EXEC)
930	const_iv (PROT_READ)	1179	const_iv (PROT_READ)
931	const_iv (PROT_WRITE)	1180	const_iv (PROT_WRITE)
932		1181
933	/*const_iv (MAP_FIXED)*/
934	const_iv (MAP_PRIVATE)	1182	const_iv (MAP_PRIVATE)
935	const_iv (MAP_SHARED)	1183	const_iv (MAP_SHARED)
		1184	const_iv (MAP_FIXED)
936	const_iv (MAP_ANONYMOUS)	1185	const_iv (MAP_ANONYMOUS)
937		1186
938	/* linuxish */	1187	/* linuxish */
939	const_iv (MAP_HUGETLB)
940	const_iv (MAP_LOCKED)	1188	const_iv (MAP_LOCKED)
941	const_iv (MAP_NORESERVE)	1189	const_iv (MAP_NORESERVE)
942	const_iv (MAP_POPULATE)	1190	const_iv (MAP_POPULATE)
943	const_iv (MAP_NONBLOCK)	1191	const_iv (MAP_NONBLOCK)
		1192	const_iv (MAP_GROWSDOWN)
		1193	const_iv (MAP_32BIT)
		1194	const_iv (MAP_HUGETLB)
		1195	const_iv (MAP_STACK)
		1196
		1197	const_iv (MREMAP_MAYMOVE)
		1198	const_iv (MREMAP_FIXED)
		1199
		1200	const_iv (MSG_CMSG_CLOEXEC)
		1201	const_iv (SOCK_CLOEXEC)
		1202
		1203	const_iv (F_DUPFD_CLOEXEC)
		1204
		1205	const_iv (F_ADD_SEALS)
		1206	const_iv (F_GET_SEALS)
		1207	const_iv (F_SEAL_SEAL)
		1208	const_iv (F_SEAL_SHRINK)
		1209	const_iv (F_SEAL_GROW)
		1210	const_iv (F_SEAL_WRITE)
		1211
		1212	const_iv (F_OFD_GETLK)
		1213	const_iv (F_OFD_SETLK)
		1214	const_iv (F_OFD_GETLKW)
		1215
		1216	const_iv (FIFREEZE)
		1217	const_iv (FITHAW)
		1218	const_iv (FITRIM)
		1219	const_iv (FICLONE)
		1220	const_iv (FICLONERANGE)
		1221	const_iv (FIDEDUPERANGE)
		1222
		1223	const_iv (FS_IOC_GETFLAGS)
		1224	const_iv (FS_IOC_SETFLAGS)
		1225	const_iv (FS_IOC_GETVERSION)
		1226	const_iv (FS_IOC_SETVERSION)
		1227	const_iv (FS_IOC_FIEMAP)
		1228	const_iv (FS_IOC_FSGETXATTR)
		1229	const_iv (FS_IOC_FSSETXATTR)
		1230	const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
		1231	const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
		1232	const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
		1233
		1234	const_iv (FS_KEY_DESCRIPTOR_SIZE)
		1235
		1236	const_iv (FS_SECRM_FL)
		1237	const_iv (FS_UNRM_FL)
		1238	const_iv (FS_COMPR_FL)
		1239	const_iv (FS_SYNC_FL)
		1240	const_iv (FS_IMMUTABLE_FL)
		1241	const_iv (FS_APPEND_FL)
		1242	const_iv (FS_NODUMP_FL)
		1243	const_iv (FS_NOATIME_FL)
		1244	const_iv (FS_DIRTY_FL)
		1245	const_iv (FS_COMPRBLK_FL)
		1246	const_iv (FS_NOCOMP_FL)
		1247	const_iv (FS_ENCRYPT_FL)
		1248	const_iv (FS_BTREE_FL)
		1249	const_iv (FS_INDEX_FL)
		1250	const_iv (FS_JOURNAL_DATA_FL)
		1251	const_iv (FS_NOTAIL_FL)
		1252	const_iv (FS_DIRSYNC_FL)
		1253	const_iv (FS_TOPDIR_FL)
		1254	const_iv (FS_FL_USER_MODIFIABLE)
		1255
		1256	const_iv (FS_XFLAG_REALTIME)
		1257	const_iv (FS_XFLAG_PREALLOC)
		1258	const_iv (FS_XFLAG_IMMUTABLE)
		1259	const_iv (FS_XFLAG_APPEND)
		1260	const_iv (FS_XFLAG_SYNC)
		1261	const_iv (FS_XFLAG_NOATIME)
		1262	const_iv (FS_XFLAG_NODUMP)
		1263	const_iv (FS_XFLAG_RTINHERIT)
		1264	const_iv (FS_XFLAG_PROJINHERIT)
		1265	const_iv (FS_XFLAG_NOSYMLINKS)
		1266	const_iv (FS_XFLAG_EXTSIZE)
		1267	const_iv (FS_XFLAG_EXTSZINHERIT)
		1268	const_iv (FS_XFLAG_NODEFRAG)
		1269	const_iv (FS_XFLAG_FILESTREAM)
		1270	const_iv (FS_XFLAG_DAX)
		1271	const_iv (FS_XFLAG_HASATTR)
944		1272
945	const_iv (FIEMAP_FLAG_SYNC)	1273	const_iv (FIEMAP_FLAG_SYNC)
946	const_iv (FIEMAP_FLAG_XATTR)	1274	const_iv (FIEMAP_FLAG_XATTR)
947	const_iv (FIEMAP_FLAGS_COMPAT)	1275	const_iv (FIEMAP_FLAGS_COMPAT)
948	const_iv (FIEMAP_EXTENT_LAST)	1276	const_iv (FIEMAP_EXTENT_LAST)
…		…
955	const_iv (FIEMAP_EXTENT_DATA_TAIL)	1283	const_iv (FIEMAP_EXTENT_DATA_TAIL)
956	const_iv (FIEMAP_EXTENT_UNWRITTEN)	1284	const_iv (FIEMAP_EXTENT_UNWRITTEN)
957	const_iv (FIEMAP_EXTENT_MERGED)	1285	const_iv (FIEMAP_EXTENT_MERGED)
958	const_iv (FIEMAP_EXTENT_SHARED)	1286	const_iv (FIEMAP_EXTENT_SHARED)
959		1287
		1288	const_iv (SPLICE_F_MOVE)
		1289	const_iv (SPLICE_F_NONBLOCK)
		1290	const_iv (SPLICE_F_MORE)
		1291	const_iv (SPLICE_F_GIFT)
		1292
		1293	const_iv (EFD_CLOEXEC)
		1294	const_iv (EFD_NONBLOCK)
		1295	const_iv (EFD_SEMAPHORE)
		1296
		1297	const_iv (MFD_CLOEXEC)
		1298	const_iv (MFD_ALLOW_SEALING)
		1299	const_iv (MFD_HUGETLB)
		1300
		1301	const_iv (CLOCK_REALTIME)
		1302	const_iv (CLOCK_MONOTONIC)
		1303	const_iv (CLOCK_BOOTTIME)
		1304	const_iv (CLOCK_REALTIME_ALARM)
		1305	const_iv (CLOCK_BOOTTIME_ALARM)
		1306
		1307	const_iv (TFD_NONBLOCK)
		1308	const_iv (TFD_CLOEXEC)
		1309
		1310	const_iv (TFD_TIMER_ABSTIME)
		1311	const_iv (TFD_TIMER_CANCEL_ON_SET)
		1312
		1313	const_iv (STATX_TYPE)
		1314	const_iv (STATX_MODE)
		1315	const_iv (STATX_NLINK)
		1316	const_iv (STATX_UID)
		1317	const_iv (STATX_GID)
		1318	const_iv (STATX_ATIME)
		1319	const_iv (STATX_MTIME)
		1320	const_iv (STATX_CTIME)
		1321	const_iv (STATX_INO)
		1322	const_iv (STATX_SIZE)
		1323	const_iv (STATX_BLOCKS)
		1324	const_iv (STATX_BASIC_STATS)
		1325	const_iv (STATX_ALL)
		1326	const_iv (STATX_BTIME)
		1327	const_iv (STATX_ATTR_COMPRESSED)
		1328	const_iv (STATX_ATTR_IMMUTABLE)
		1329	const_iv (STATX_ATTR_APPEND)
		1330	const_iv (STATX_ATTR_NODUMP)
		1331	const_iv (STATX_ATTR_ENCRYPTED)
		1332	const_iv (STATX_ATTR_AUTOMOUNT)
		1333
		1334	/* these are libeio constants, and are independent of gendef0 */
960	const_eio (SEEK_SET)	1335	const_eio (SEEK_SET)
961	const_eio (SEEK_CUR)	1336	const_eio (SEEK_CUR)
962	const_eio (SEEK_END)	1337	const_eio (SEEK_END)
963		1338
964	const_eio (MCL_FUTURE)	1339	const_eio (MCL_FUTURE)
965	const_eio (MCL_CURRENT)	1340	const_eio (MCL_CURRENT)
		1341	const_eio (MCL_ONFAULT)
966		1342
967	const_eio (MS_ASYNC)	1343	const_eio (MS_ASYNC)
968	const_eio (MS_INVALIDATE)	1344	const_eio (MS_INVALIDATE)
969	const_eio (MS_SYNC)	1345	const_eio (MS_SYNC)
970		1346
…		…
973	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1349	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
974	const_eio (SYNC_FILE_RANGE_WRITE)	1350	const_eio (SYNC_FILE_RANGE_WRITE)
975	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1351	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
976		1352
977	const_eio (FALLOC_FL_KEEP_SIZE)	1353	const_eio (FALLOC_FL_KEEP_SIZE)
		1354	const_eio (FALLOC_FL_PUNCH_HOLE)
		1355	const_eio (FALLOC_FL_COLLAPSE_RANGE)
		1356	const_eio (FALLOC_FL_ZERO_RANGE)
		1357	const_eio (FALLOC_FL_INSERT_RANGE)
		1358	const_eio (FALLOC_FL_UNSHARE_RANGE)
		1359
		1360	const_eio (RENAME_NOREPLACE)
		1361	const_eio (RENAME_EXCHANGE)
		1362	const_eio (RENAME_WHITEOUT)
978		1363
979	const_eio (READDIR_DENTS)	1364	const_eio (READDIR_DENTS)
980	const_eio (READDIR_DIRS_FIRST)	1365	const_eio (READDIR_DIRS_FIRST)
981	const_eio (READDIR_STAT_ORDER)	1366	const_eio (READDIR_STAT_ORDER)
982	const_eio (READDIR_FOUND_UNKNOWN)	1367	const_eio (READDIR_FOUND_UNKNOWN)
…		…
1000	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)	1385	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
1001	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));	1386	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
1002		1387
1003	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1388	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
1004		1389
		1390	/* allocate dummy pipe fd for aio_close */
		1391	{
		1392	int pipefd [2];
		1393
		1394	if (
		1395	#ifdef _WIN32
		1396	_pipe (pipefd, 1, _O_BINARY) < 0
		1397	#else
		1398	pipe (pipefd) < 0
		1399	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1400	#endif
		1401	|| close (pipefd [1]) < 0
		1402	)
		1403	croak ("IO::AIO: unable to create dummy pipe for aio_close");
		1404
		1405	close_fd = pipefd [0];
		1406	}
		1407
1005	reinit ();	1408	reinit ();
1006	}	1409	}
1007		1410
1008	void	1411	void
1009	reinit ()	1412	reinit ()
…		…
1050	PROTOTYPE: $	1453	PROTOTYPE: $
1051	CODE:	1454	CODE:
1052	max_outstanding = maxreqs;	1455	max_outstanding = maxreqs;
1053		1456
1054	void	1457	void
1055	aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)	1458	aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
1056	PPCODE:	1459	PPCODE:
1057	{	1460	{
1058	dREQ;	1461	dREQ;
1059		1462
1060	req->type = EIO_WD_OPEN;	1463	req->type = EIO_WD_OPEN;
…		…
1062		1465
1063	REQ_SEND;	1466	REQ_SEND;
1064	}	1467	}
1065		1468
1066	void	1469	void
1067	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1470	aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1068	PPCODE:	1471	PPCODE:
1069	{	1472	{
1070	dREQ;	1473	dREQ;
1071		1474
1072	req->type = EIO_OPEN;	1475	req->type = EIO_OPEN;
…		…
1076		1479
1077	REQ_SEND;	1480	REQ_SEND;
1078	}	1481	}
1079		1482
1080	void	1483	void
1081	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1484	aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
1082	ALIAS:	1485	ALIAS:
1083	aio_fsync = EIO_FSYNC	1486	aio_fsync = EIO_FSYNC
1084	aio_fdatasync = EIO_FDATASYNC	1487	aio_fdatasync = EIO_FDATASYNC
1085	aio_syncfs = EIO_SYNCFS	1488	aio_syncfs = EIO_SYNCFS
1086	PPCODE:	1489	PPCODE:
1087	{	1490	{
1088	int fd = s_fileno_croak (fh, 0);	1491	int fd = s_fileno_croak (fh, 0);
1089	dREQ;	1492	dREQ;
1090		1493
1091	req->type = ix;	1494	req->type = ix;
1092	req->sv1 = newSVsv (fh);	1495	req->sv1 = newSVsv (fh);
1093	req->int1 = fd;	1496	req->int1 = fd;
1094		1497
1095	REQ_SEND;	1498	REQ_SEND;
1096	}	1499	}
1097		1500
1098	void	1501	void
1099	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1502	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
1100	PPCODE:	1503	PPCODE:
1101	{	1504	{
1102	int fd = s_fileno_croak (fh, 0);	1505	int fd = s_fileno_croak (fh, 0);
1103	dREQ;	1506	dREQ;
1104		1507
1105	req->type = EIO_SYNC_FILE_RANGE;	1508	req->type = EIO_SYNC_FILE_RANGE;
1106	req->sv1 = newSVsv (fh);	1509	req->sv1 = newSVsv (fh);
1107	req->int1 = fd;	1510	req->int1 = fd;
…		…
1111		1514
1112	REQ_SEND;	1515	REQ_SEND;
1113	}	1516	}
1114		1517
1115	void	1518	void
1116	aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)	1519	aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
1117	PPCODE:	1520	PPCODE:
1118	{	1521	{
1119	int fd = s_fileno_croak (fh, 0);	1522	int fd = s_fileno_croak (fh, 0);
1120	dREQ;	1523	dREQ;
1121		1524
1122	req->type = EIO_FALLOCATE;	1525	req->type = EIO_FALLOCATE;
1123	req->sv1 = newSVsv (fh);	1526	req->sv1 = newSVsv (fh);
1124	req->int1 = fd;	1527	req->int1 = fd;
…		…
1128		1531
1129	REQ_SEND;	1532	REQ_SEND;
1130	}	1533	}
1131		1534
1132	void	1535	void
1133	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1536	aio_close (SV *fh, SV *callback = &PL_sv_undef)
1134	PPCODE:	1537	PPCODE:
1135	{	1538	{
1136	static int close_fd = -1; /* dummy fd to close fds via dup2 */
1137	int fd = s_fileno_croak (fh, 0);	1539	int fd = s_fileno_croak (fh, 0);
1138	dREQ;	1540	dREQ;
		1541	#if 0
		1542	/* partially duplicate logic in s_fileno */
		1543	SvGETMAGIC (fh);
1139		1544
1140	if (expect_false (close_fd < 0))	1545	if (SvROK (fh))
		1546	{
		1547	fh = SvRV (fh);
		1548	SvGETMAGIC (fh);
		1549	}
		1550
		1551	if (SvTYPE (fh) == SVt_PVGV)
1141	{	1552	{
1142	int pipefd [2];	1553	/* perl filehandle */
		1554	PerlIOUnix_refcnt_inc (fd);
		1555	do_close ((GV *)fh, 1);
1143		1556
1144	if (	1557	req->type = EIO_CLOSE;
1145	#ifdef _WIN32	1558	req->int1 = fd;
1146	_pipe (pipefd, 1, _O_BINARY) < 0	1559	/*req->sv2 = newSVsv (fh);*/ /* since we stole the fd, no need to keep the fh */
1147	#else
1148	pipe (pipefd) < 0
1149	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1150	#endif
1151	|| close (pipefd [1]) < 0
1152	)
1153	abort (); /*D*/
1154
1155	close_fd = pipefd [0];
1156	}	1560	}
1157		1561	else
		1562	#endif
		1563	{
		1564	/* fd number */
1158	req->type = EIO_DUP2;	1565	req->type = EIO_DUP2;
1159	req->int1 = close_fd;	1566	req->int1 = close_fd;
1160	req->sv2 = newSVsv (fh);	1567	req->sv2 = newSVsv (fh);
1161	req->int2 = fd;	1568	req->int2 = fd;
		1569	}
1162		1570
1163	REQ_SEND;	1571	REQ_SEND;
1164	}	1572	}
1165		1573
1166	void	1574	void
1167	aio_seek (SV *fh, SV *offset, int whence, SV *callback=&PL_sv_undef)	1575	aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1168	PPCODE:	1576	PPCODE:
1169	{	1577	{
1170	int fd = s_fileno_croak (fh, 0);	1578	int fd = s_fileno_croak (fh, 0);
1171	dREQ;	1579	dREQ;
1172		1580
…		…
1178		1586
1179	REQ_SEND;	1587	REQ_SEND;
1180	}	1588	}
1181		1589
1182	void	1590	void
1183	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1591	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
1184	ALIAS:	1592	ALIAS:
1185	aio_read = EIO_READ	1593	aio_read = EIO_READ
1186	aio_write = EIO_WRITE	1594	aio_write = EIO_WRITE
1187	PPCODE:	1595	PPCODE:
1188	{	1596	{
…		…
1204	len = svlen - dataoffset;	1612	len = svlen - dataoffset;
1205	}	1613	}
1206	else	1614	else
1207	{	1615	{
1208	/* read: check type and grow scalar as necessary */	1616	/* read: check type and grow scalar as necessary */
1209	SvUPGRADE (data, SVt_PV);	1617	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1210	svptr = SvGROW (data, len + dataoffset + 1);	1618	svptr = sv_grow (data, len + dataoffset + 1);
		1619	else if (SvCUR (data) < len + dataoffset)
		1620	croak ("length + dataoffset outside of scalar, and cannot grow");
1211	}	1621	}
1212		1622
1213	{	1623	{
1214	dREQ;	1624	dREQ;
1215		1625
…		…
1231	REQ_SEND;	1641	REQ_SEND;
1232	}	1642	}
1233	}	1643	}
1234		1644
1235	void	1645	void
		1646	aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
		1647	ALIAS:
		1648	aio_ioctl = EIO_IOCTL
		1649	aio_fcntl = EIO_FCNTL
		1650	PPCODE:
		1651	{
		1652	int fd = s_fileno_croak (fh, 0);
		1653	char *svptr;
		1654
		1655	if (SvPOK (arg) || !SvNIOK (arg))
		1656	{
		1657	STRLEN svlen;
		1658	/* perl uses IOCPARM_LEN for fcntl, so we do, too */
		1659	#ifdef IOCPARM_LEN
		1660	STRLEN need = IOCPARM_LEN (request);
		1661	#else
		1662	STRLEN need = 256;
		1663	#endif
		1664
		1665	if (svlen < need)
		1666	svptr = SvGROW (arg, need);
		1667	}
		1668	else
		1669	svptr = (char *)SvIV (arg);
		1670
		1671	{
		1672	dREQ;
		1673
		1674	req->type = ix;
		1675	req->sv1 = newSVsv (fh);
		1676	req->int1 = fd;
		1677	req->int2 = (long)request;
		1678	req->sv2 = SvREFCNT_inc (arg);
		1679	req->ptr2 = svptr;
		1680
		1681	REQ_SEND;
		1682	}
		1683	}
		1684
		1685	void
1236	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1686	aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1237	ALIAS:	1687	ALIAS:
1238	aio_readlink = EIO_READLINK	1688	aio_readlink = EIO_READLINK
1239	aio_realpath = EIO_REALPATH	1689	aio_realpath = EIO_REALPATH
1240	PPCODE:	1690	PPCODE:
1241	{	1691	{
…		…
1246		1696
1247	REQ_SEND;	1697	REQ_SEND;
1248	}	1698	}
1249		1699
1250	void	1700	void
1251	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1701	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1252	PPCODE:	1702	PPCODE:
1253	{	1703	{
1254	int ifd = s_fileno_croak (in_fh , 0);	1704	int ifd = s_fileno_croak (in_fh , 0);
1255	int ofd = s_fileno_croak (out_fh, 1);	1705	int ofd = s_fileno_croak (out_fh, 1);
1256	dREQ;	1706	dREQ;
1257		1707
1258	req->type = EIO_SENDFILE;	1708	req->type = EIO_SENDFILE;
1259	req->sv1 = newSVsv (out_fh);	1709	req->sv1 = newSVsv (out_fh);
1260	req->int1 = ofd;	1710	req->int1 = ofd;
…		…
1265		1715
1266	REQ_SEND;	1716	REQ_SEND;
1267	}	1717	}
1268		1718
1269	void	1719	void
1270	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1720	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1271	PPCODE:	1721	PPCODE:
1272	{	1722	{
1273	int fd = s_fileno_croak (fh, 0);	1723	int fd = s_fileno_croak (fh, 0);
1274	dREQ;	1724	dREQ;
1275		1725
1276	req->type = EIO_READAHEAD;	1726	req->type = EIO_READAHEAD;
1277	req->sv1 = newSVsv (fh);	1727	req->sv1 = newSVsv (fh);
1278	req->int1 = fd;	1728	req->int1 = fd;
…		…
1281		1731
1282	REQ_SEND;	1732	REQ_SEND;
1283	}	1733	}
1284		1734
1285	void	1735	void
1286	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1736	aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1287	ALIAS:	1737	ALIAS:
1288	aio_stat = EIO_STAT	1738	aio_stat = EIO_STAT
1289	aio_lstat = EIO_LSTAT	1739	aio_lstat = EIO_LSTAT
1290	aio_statvfs = EIO_STATVFS	1740	aio_statvfs = EIO_STATVFS
1291	PPCODE:	1741	PPCODE:
…		…
1295	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);	1745	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1296		1746
1297	REQ_SEND;	1747	REQ_SEND;
1298	}	1748	}
1299		1749
		1750	void
		1751	st_xtime ()
		1752	ALIAS:
		1753	st_atime = 0x01
		1754	st_mtime = 0x02
		1755	st_ctime = 0x04
		1756	st_btime = 0x08
		1757	st_xtime = 0x0f
		1758	PPCODE:
		1759	EXTEND (SP, 4);
		1760	if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
		1761	if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
		1762	if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
		1763	if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
		1764
		1765	void
		1766	st_xtimensec ()
		1767	ALIAS:
		1768	st_atimensec = 0x01
		1769	st_mtimensec = 0x02
		1770	st_ctimensec = 0x04
		1771	st_btimensec = 0x08
		1772	st_xtimensec = 0x0f
		1773	st_btimesec = 0x10
		1774	st_gen = 0x20
		1775	PPCODE:
		1776	EXTEND (SP, 4);
		1777	if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
		1778	if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
		1779	if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
		1780	if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
		1781	if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
		1782	if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
		1783
1300	UV	1784	UV
1301	major (UV dev)	1785	major (UV dev)
1302	ALIAS:	1786	ALIAS:
1303	minor = 1	1787	minor = 1
1304	CODE:	1788	CODE:
1305	RETVAL = ix ? major (dev) : minor (dev);	1789	RETVAL = ix ? minor (dev) : major (dev);
1306	OUTPUT:	1790	OUTPUT:
1307	RETVAL	1791	RETVAL
1308		1792
1309	UV	1793	UV
1310	makedev (UV maj, UV min)	1794	makedev (UV maj, UV min)
…		…
1312	RETVAL = makedev (maj, min);	1796	RETVAL = makedev (maj, min);
1313	OUTPUT:	1797	OUTPUT:
1314	RETVAL	1798	RETVAL
1315		1799
1316	void	1800	void
1317	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1801	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1318	PPCODE:	1802	PPCODE:
1319	{	1803	{
1320	dREQ;	1804	dREQ;
1321		1805
1322	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1806	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
…		…
1325		1809
1326	REQ_SEND;	1810	REQ_SEND;
1327	}	1811	}
1328		1812
1329	void	1813	void
1330	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1814	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1331	PPCODE:	1815	PPCODE:
1332	{	1816	{
1333	dREQ;	1817	dREQ;
1334		1818
1335	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1819	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
…		…
1337		1821
1338	REQ_SEND;	1822	REQ_SEND;
1339	}	1823	}
1340		1824
1341	void	1825	void
1342	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1826	aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1343	PPCODE:	1827	PPCODE:
1344	{	1828	{
1345	dREQ;	1829	dREQ;
1346		1830
1347	req->int2 = mode;	1831	req->int2 = mode;
…		…
1349		1833
1350	REQ_SEND;	1834	REQ_SEND;
1351	}	1835	}
1352		1836
1353	void	1837	void
1354	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef)	1838	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1355	PPCODE:	1839	PPCODE:
1356	{	1840	{
1357	dREQ;	1841	dREQ;
1358		1842
1359	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1843	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
…		…
1362		1846
1363	REQ_SEND;	1847	REQ_SEND;
1364	}	1848	}
1365		1849
1366	void	1850	void
1367	aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)	1851	aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1368	PPCODE:	1852	PPCODE:
1369	{	1853	{
1370	dREQ;	1854	dREQ;
1371		1855
1372	req->type = EIO_READDIR;	1856	req->type = EIO_READDIR;
…		…
1379		1863
1380	REQ_SEND;	1864	REQ_SEND;
1381	}	1865	}
1382		1866
1383	void	1867	void
1384	aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef)	1868	aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1385	PPCODE:	1869	PPCODE:
1386	{	1870	{
1387	dREQ;	1871	dREQ;
1388		1872
1389	req->type = EIO_MKDIR;	1873	req->type = EIO_MKDIR;
…		…
1392		1876
1393	REQ_SEND;	1877	REQ_SEND;
1394	}	1878	}
1395		1879
1396	void	1880	void
1397	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1881	aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1398	ALIAS:	1882	ALIAS:
1399	aio_unlink = EIO_UNLINK	1883	aio_unlink = EIO_UNLINK
1400	aio_rmdir = EIO_RMDIR	1884	aio_rmdir = EIO_RMDIR
1401	aio_readdir = EIO_READDIR	1885	aio_readdir = EIO_READDIR
1402	PPCODE:	1886	PPCODE:
…		…
1408		1892
1409	REQ_SEND;	1893	REQ_SEND;
1410	}	1894	}
1411		1895
1412	void	1896	void
1413	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef)	1897	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1414	ALIAS:	1898	ALIAS:
1415	aio_link = EIO_LINK	1899	aio_link = EIO_LINK
1416	aio_symlink = EIO_SYMLINK	1900	aio_symlink = EIO_SYMLINK
1417	aio_rename = EIO_RENAME	1901	aio_rename = EIO_RENAME
1418	PPCODE:	1902	PPCODE:
…		…
1420	eio_wd wd2 = 0;	1904	eio_wd wd2 = 0;
1421	dREQ;	1905	dREQ;
1422		1906
1423	req->type = ix;	1907	req->type = ix;
1424	req_set_path1 (req, oldpath);	1908	req_set_path1 (req, oldpath);
1425	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);	1909	req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1426	req->int3 = (long)wd2;	1910	req->int3 = (long)wd2;
1427		1911
1428	REQ_SEND;	1912	REQ_SEND;
1429	}	1913	}
1430		1914
1431	void	1915	void
		1916	aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
		1917	PPCODE:
		1918	{
		1919	eio_wd wd2 = 0;
		1920	dREQ;
		1921
		1922	req->type = EIO_RENAME;
		1923	req_set_path1 (req, oldpath);
		1924	req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
		1925	req->int2 = flags;
		1926	req->int3 = (long)wd2;
		1927
		1928	REQ_SEND;
		1929	}
		1930
		1931	void
1432	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef)	1932	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1433	PPCODE:	1933	PPCODE:
1434	{	1934	{
1435	dREQ;	1935	dREQ;
1436		1936
1437	req->type = EIO_MKNOD;	1937	req->type = EIO_MKNOD;
…		…
1441		1941
1442	REQ_SEND;	1942	REQ_SEND;
1443	}	1943	}
1444		1944
1445	void	1945	void
1446	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1946	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1447	ALIAS:	1947	ALIAS:
1448	aio_mtouch = EIO_MTOUCH	1948	aio_mtouch = EIO_MTOUCH
1449	aio_msync = EIO_MSYNC	1949	aio_msync = EIO_MSYNC
1450	PPCODE:	1950	PPCODE:
1451	{	1951	{
1452	STRLEN svlen;	1952	STRLEN svlen;
1453	char *svptr = SvPVbyte (data, svlen);	1953	char *svptr = SvPVbyte (data, svlen);
1454	UV len = SvUV (length);	1954	UV len = SvUV (length);
		1955
		1956	if (flags < 0)
		1957	flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1455		1958
1456	if (offset < 0)	1959	if (offset < 0)
1457	offset += svlen;	1960	offset += svlen;
1458		1961
1459	if (offset < 0 || offset > svlen)	1962	if (offset < 0 || offset > svlen)
…		…
1474	REQ_SEND;	1977	REQ_SEND;
1475	}	1978	}
1476	}	1979	}
1477		1980
1478	void	1981	void
1479	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)	1982	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1480	PPCODE:	1983	PPCODE:
1481	{	1984	{
1482	STRLEN svlen;	1985	STRLEN svlen;
1483	char *svptr = SvPVbyte (data, svlen);	1986	char *svptr = SvPVbyte (data, svlen);
1484	UV len = SvUV (length);	1987	UV len = SvUV (length);
…		…
1503	REQ_SEND;	2006	REQ_SEND;
1504	}	2007	}
1505	}	2008	}
1506		2009
1507	void	2010	void
1508	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)	2011	aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1509	PPCODE:	2012	PPCODE:
1510	{	2013	{
1511	dREQ;	2014	dREQ;
1512		2015
1513	req->type = EIO_MLOCKALL;	2016	req->type = EIO_MLOCKALL;
…		…
1515		2018
1516	REQ_SEND;	2019	REQ_SEND;
1517	}	2020	}
1518		2021
1519	void	2022	void
1520	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback=&PL_sv_undef)	2023	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
1521	PPCODE:	2024	PPCODE:
1522	{	2025	{
1523	int fd = s_fileno_croak (fh, 0);	2026	int fd = s_fileno_croak (fh, 0);
1524	dREQ;	2027	dREQ;
1525		2028
1526	req->type = EIO_CUSTOM;	2029	req->type = EIO_CUSTOM;
1527	req->sv1 = newSVsv (fh);	2030	req->sv1 = newSVsv (fh);
1528	req->int1 = fd;	2031	req->int1 = fd;
…		…
1538		2041
1539	REQ_SEND;	2042	REQ_SEND;
1540	}	2043	}
1541		2044
1542	void	2045	void
		2046	aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
		2047	PPCODE:
		2048	{
		2049	char *svptr = 0;
		2050
		2051	sv_clear_foreign (data);
		2052
		2053	if (length) /* known length, directly read into scalar */
		2054	{
		2055	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
		2056	svptr = sv_grow (data, length + 1);
		2057	else if (SvCUR (data) < length)
		2058	croak ("length outside of scalar, and cannot grow");
		2059	else
		2060	svptr = SvPVbyte_nolen (data);
		2061	}
		2062
		2063	{
		2064	dREQ;
		2065
		2066	req->type = EIO_SLURP;
		2067	req_set_path1 (req, pathname);
		2068	req->offs = offset;
		2069	req->size = length;
		2070	req->sv2 = SvREFCNT_inc (data);
		2071	req->ptr2 = svptr;
		2072
		2073	if (!SvREADONLY (data))
		2074	{
		2075	SvREADONLY_on (data);
		2076	req->flags |= FLAG_SV2_RO_OFF;
		2077	}
		2078
		2079	REQ_SEND;
		2080	}
		2081	}
		2082
		2083	void
1543	aio_busy (double delay, SV *callback=&PL_sv_undef)	2084	aio_busy (double delay, SV *callback = &PL_sv_undef)
1544	PPCODE:	2085	PPCODE:
1545	{	2086	{
1546	dREQ;	2087	dREQ;
1547		2088
1548	req->type = EIO_BUSY;	2089	req->type = EIO_BUSY;
…		…
1550		2091
1551	REQ_SEND;	2092	REQ_SEND;
1552	}	2093	}
1553		2094
1554	void	2095	void
1555	aio_group (SV *callback=&PL_sv_undef)	2096	aio_group (SV *callback = &PL_sv_undef)
1556	PPCODE:	2097	PPCODE:
1557	{	2098	{
1558	dREQ;	2099	dREQ;
1559		2100
1560	req->type = EIO_GROUP;	2101	req->type = EIO_GROUP;
1561		2102
		2103	PUTBACK;
1562	req_submit (req);	2104	req_submit (req);
		2105	SPAGAIN;
		2106
1563	XPUSHs (req_sv (req, aio_grp_stash));	2107	XPUSHs (req_sv (req, aio_grp_stash));
1564	}	2108	}
1565		2109
1566	void	2110	void
1567	aio_nop (SV *callback=&PL_sv_undef)	2111	aio_nop (SV *callback = &PL_sv_undef)
1568	ALIAS:	2112	ALIAS:
1569	aio_nop = EIO_NOP	2113	aio_nop = EIO_NOP
1570	aio_sync = EIO_SYNC	2114	aio_sync = EIO_SYNC
1571	PPCODE:	2115	PPCODE:
1572	{	2116	{
…		…
1576		2120
1577	REQ_SEND;	2121	REQ_SEND;
1578	}	2122	}
1579		2123
1580	int	2124	int
1581	aioreq_pri (int pri = 0)	2125	aioreq_pri (int pri = NO_INIT)
1582	CODE:	2126	CODE:
1583	RETVAL = next_pri;	2127	RETVAL = next_pri;
1584	if (items > 0)	2128	if (items > 0)
1585	{	2129	{
1586	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	2130	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1676	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	2220	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1677	OUTPUT:	2221	OUTPUT:
1678	RETVAL	2222	RETVAL
1679		2223
1680	void	2224	void
1681	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)	2225	mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1682	PPCODE:	2226	PPCODE:
1683	sv_unmagic (scalar, MMAP_MAGIC);	2227	sv_clear_foreign (scalar);
1684	{	2228	{
1685	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	2229	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1686	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	2230	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1687	if (addr == (void *)-1)	2231	if (addr == (void *)-1)
1688	XSRETURN_NO;	2232	XSRETURN_NO;
1689		2233
1690	sv_force_normal (scalar);	2234	sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1691
1692	/* we store the length in mg_obj, as namlen is I32 :/ */
1693	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1694	->mg_obj = (SV *)length;
1695
1696	SvUPGRADE (scalar, SVt_PV); /* nop... */
1697		2235
1698	if (!(prot & PROT_WRITE))	2236	if (!(prot & PROT_WRITE))
1699	SvREADONLY_on (scalar);	2237	SvREADONLY_on (scalar);
1700		2238
1701	if (SvLEN (scalar))
1702	Safefree (SvPVX (scalar));
1703
1704	SvPVX (scalar) = (char *)addr;
1705	SvCUR_set (scalar, length);
1706	SvLEN_set (scalar, 0);
1707	SvPOK_only (scalar);
1708
1709	XSRETURN_YES;	2239	XSRETURN_YES;
1710	}	2240	}
1711		2241
1712	void	2242	void
1713	munmap (SV *scalar)	2243	munmap (SV *scalar)
1714	CODE:	2244	CODE:
1715	sv_unmagic (scalar, MMAP_MAGIC);	2245	sv_clear_foreign (scalar);
		2246
		2247	SV *
		2248	mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
		2249	CODE:
		2250	{
		2251	MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
		2252	void *new;
		2253
		2254	if (!mg || SvPVX (scalar) != mg->mg_ptr)
		2255	croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
		2256
		2257	new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
		2258
		2259	RETVAL = &PL_sv_no;
		2260
		2261	if (new != (void *)-1)
		2262	{
		2263	RETVAL = new == (void *)mg->mg_ptr
		2264	? newSVpvn ("0 but true", 10)
		2265	: &PL_sv_yes;
		2266
		2267	mg->mg_ptr = (char *)new;
		2268	mg->mg_obj = (SV *)new_length;
		2269
		2270	SvPVX (scalar) = mg->mg_ptr;
		2271	SvCUR_set (scalar, new_length);
		2272	}
		2273	}
		2274	OUTPUT:
		2275	RETVAL
1716		2276
1717	int	2277	int
1718	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)	2278	madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1719	ALIAS:	2279	ALIAS:
1720	mprotect = 1	2280	mprotect = 1
1721	CODE:	2281	CODE:
1722	{	2282	{
1723	STRLEN svlen;	2283	STRLEN svlen;
1724	void *addr = SvPVbyte (scalar, svlen);	2284	void *addr = SvPVbyte (scalar, svlen);
1725	size_t len = SvUV (length);	2285	STRLEN len = SvUV (length);
1726		2286
1727	if (offset < 0)	2287	if (offset < 0)
1728	offset += svlen;	2288	offset += svlen;
1729		2289
1730	if (offset < 0 || offset > svlen)	2290	if (offset < 0 || offset > svlen)
…		…
1744	}	2304	}
1745	OUTPUT:	2305	OUTPUT:
1746	RETVAL	2306	RETVAL
1747		2307
1748	int	2308	int
1749	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)	2309	munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
1750	CODE:	2310	CODE:
1751	{	2311	{
1752	STRLEN svlen;	2312	STRLEN svlen;
1753	void *addr = SvPVbyte (scalar, svlen);	2313	void *addr = SvPVbyte (scalar, svlen);
1754	size_t len = SvUV (length);	2314	size_t len = SvUV (length);
1755		2315
1756	if (offset < 0)	2316	if (offset < 0)
1757	offset += svlen;	2317	offset += svlen;
1758		2318
…		…
1765	addr = (void *)(((intptr_t)addr) + offset);	2325	addr = (void *)(((intptr_t)addr) + offset);
1766	eio_page_align (&addr, &len);	2326	eio_page_align (&addr, &len);
1767	#if _POSIX_MEMLOCK_RANGE	2327	#if _POSIX_MEMLOCK_RANGE
1768	RETVAL = munlock (addr, len);	2328	RETVAL = munlock (addr, len);
1769	#else	2329	#else
1770	RETVAL = ((errno = ENOSYS), -1);	2330	RETVAL = EIO_ENOSYS ();
1771	#endif	2331	#endif
1772	}	2332	}
1773	OUTPUT:	2333	OUTPUT:
		2334	RETVAL
		2335
		2336	int
		2337	mlockall (int flags)
		2338	PROTOTYPE: $;
		2339	CODE:
		2340	RETVAL = eio_mlockall_sync (flags);
		2341	OUTPUT:
1774	RETVAL	2342	RETVAL
1775		2343
1776	int	2344	int
1777	munlockall ()	2345	munlockall ()
1778	CODE:	2346	CODE:
1779	#if _POSIX_MEMLOCK	2347	#if _POSIX_MEMLOCK
1780	munlockall ();	2348	munlockall ();
1781	#else	2349	#else
1782	RETVAL = -1;	2350	RETVAL = EIO_ENOSYS ();
1783	errno = ENOSYS;
1784	#endif	2351	#endif
1785	OUTPUT:	2352	OUTPUT:
1786	RETVAL	2353	RETVAL
		2354
		2355	int
		2356	statx (SV8 *pathname, int flags, UV mask)
		2357	CODE:
		2358	{
		2359	/* undocumented, and might go away, and anyway, should use eio_statx */
		2360	SV *wdsv = 0;
		2361	SV *pathsv = 0;
		2362	eio_wd wd = EIO_CWD;
		2363	void *ptr;
		2364	int res;
		2365
		2366	req_set_path (pathname, &wdsv, &pathsv, &wd, &ptr);
		2367	RETVAL = eio__statx (!wd || wd->fd == EIO_CWD ? AT_FDCWD : wd->fd, ptr, flags, mask & STATX_ALL, &stx);
		2368
		2369	SvREFCNT_dec (pathsv);
		2370	SvREFCNT_dec (wdsv);
		2371	}
		2372	OUTPUT:
		2373	RETVAL
		2374
		2375	U32
		2376	stx_mode ()
		2377	PROTOTYPE:
		2378	CODE:
		2379	#if HAVE_STATX
		2380	RETVAL = stx.stx_mode;
		2381	#else
		2382	XSRETURN_UNDEF;
		2383	#endif
		2384	OUTPUT:
		2385	RETVAL
		2386
		2387	#define STATX_OFFSET_mask statx_offsetof (stx_mask)
		2388	#define STATX_OFFSET_blksize statx_offsetof (stx_blksize)
		2389	#define STATX_OFFSET_nlink statx_offsetof (stx_nlink)
		2390	#define STATX_OFFSET_uid statx_offsetof (stx_uid)
		2391	#define STATX_OFFSET_gid statx_offsetof (stx_gid)
		2392	#define STATX_OFFSET_rdev_major statx_offsetof (stx_rdev_major)
		2393	#define STATX_OFFSET_rdev_minor statx_offsetof (stx_rdev_minor)
		2394	#define STATX_OFFSET_dev_major statx_offsetof (stx_dev_major)
		2395	#define STATX_OFFSET_dev_minor statx_offsetof (stx_dev_minor)
		2396	#define STATX_OFFSET_attributes statx_offsetof (stx_attributes)
		2397	#define STATX_OFFSET_ino statx_offsetof (stx_ino)
		2398	#define STATX_OFFSET_size statx_offsetof (stx_size)
		2399	#define STATX_OFFSET_blocks statx_offsetof (stx_blocks)
		2400	#define STATX_OFFSET_attributes_mask statx_offsetof (stx_attributes_mask)
		2401	#define STATX_OFFSET_atime statx_offsetof (stx_atime)
		2402	#define STATX_OFFSET_btime statx_offsetof (stx_btime)
		2403	#define STATX_OFFSET_ctime statx_offsetof (stx_ctime)
		2404	#define STATX_OFFSET_mtime statx_offsetof (stx_mtime)
		2405
		2406	U32
		2407	stx_mask ()
		2408	PROTOTYPE:
		2409	ALIAS:
		2410	stx_mask = STATX_OFFSET_mask
		2411	stx_blksize = STATX_OFFSET_blksize
		2412	stx_nlink = STATX_OFFSET_nlink
		2413	stx_uid = STATX_OFFSET_uid
		2414	stx_gid = STATX_OFFSET_gid
		2415	stx_rdev_major = STATX_OFFSET_rdev_major
		2416	stx_rdev_minor = STATX_OFFSET_rdev_minor
		2417	stx_dev_major = STATX_OFFSET_dev_major
		2418	stx_dev_minor = STATX_OFFSET_dev_minor
		2419	CODE:
		2420	#if HAVE_STATX
		2421	RETVAL = *(__u32 *)((char *)&stx + ix);
		2422	#else
		2423	XSRETURN_UNDEF;
		2424	#endif
		2425	OUTPUT:
		2426	RETVAL
		2427
		2428	VAL64
		2429	stx_attributes ()
		2430	PROTOTYPE:
		2431	ALIAS:
		2432	stx_attributes = STATX_OFFSET_attributes
		2433	stx_ino = STATX_OFFSET_ino
		2434	stx_size = STATX_OFFSET_size
		2435	stx_blocks = STATX_OFFSET_blocks
		2436	stx_attributes_mask = STATX_OFFSET_attributes_mask
		2437	CODE:
		2438	#if HAVE_STATX
		2439	RETVAL = *(__u64 *)((char *)&stx + ix);
		2440	#else
		2441	XSRETURN_UNDEF;
		2442	#endif
		2443	OUTPUT:
		2444	RETVAL
		2445
		2446	NV
		2447	stx_atime ()
		2448	PROTOTYPE:
		2449	ALIAS:
		2450	stx_atime = STATX_OFFSET_atime
		2451	stx_btime = STATX_OFFSET_btime
		2452	stx_ctime = STATX_OFFSET_ctime
		2453	stx_mtime = STATX_OFFSET_mtime
		2454	CODE:
		2455	#if HAVE_STATX
		2456	struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
		2457	RETVAL = ts->tv_sec + ts->tv_nsec * 1e-9;
		2458	#else
		2459	XSRETURN_UNDEF;
		2460	#endif
		2461	OUTPUT:
		2462	RETVAL
		2463
		2464	VAL64
		2465	stx_atimesec ()
		2466	PROTOTYPE:
		2467	ALIAS:
		2468	stx_atimesec = STATX_OFFSET_atime
		2469	stx_btimesec = STATX_OFFSET_btime
		2470	stx_ctimesec = STATX_OFFSET_ctime
		2471	stx_mtimesec = STATX_OFFSET_mtime
		2472	CODE:
		2473	#if HAVE_STATX
		2474	struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
		2475	RETVAL = ts->tv_sec;
		2476	#else
		2477	XSRETURN_UNDEF;
		2478	#endif
		2479	OUTPUT:
		2480	RETVAL
		2481
		2482	U32
		2483	stx_atimensec ()
		2484	PROTOTYPE:
		2485	ALIAS:
		2486	stx_atimensec = STATX_OFFSET_atime
		2487	stx_btimensec = STATX_OFFSET_btime
		2488	stx_ctimensec = STATX_OFFSET_ctime
		2489	stx_mtimensec = STATX_OFFSET_mtime
		2490	CODE:
		2491	#if HAVE_STATX
		2492	struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
		2493	RETVAL = ts->tv_nsec;
		2494	#else
		2495	RETVAL = 0;
		2496	#endif
		2497	OUTPUT:
		2498	RETVAL
		2499
		2500	void
		2501	accept4 (aio_rfd rfh, SV *sockaddr, int salen, int flags)
		2502	PPCODE:
		2503	{
		2504	SV *retval;
		2505	#if HAVE_ACCEPT4
		2506	socklen_t salen_ = salen ? salen + 1 : 0;
		2507
		2508	if (salen)
		2509	{
		2510	sv_upgrade (sockaddr, SVt_PV);
		2511	sv_grow (sockaddr, salen_);
		2512	}
		2513
		2514	int res = accept4 (rfh, salen ? (struct sockaddr *)SvPVX (sockaddr) : 0, salen ? &salen_ : 0, flags);
		2515
		2516	retval = newmortalFH (res, O_RDWR);
		2517
		2518	if (res >= 0 && salen > 0)
		2519	{
		2520	if (salen_ > salen + 1)
		2521	salen_ = salen + 1;
		2522
		2523	SvPOK_only (sockaddr);
		2524	SvCUR_set (sockaddr, salen_);
		2525	}
		2526	#else
		2527	errno = ENOSYS;
		2528	retval = &PL_sv_undef;
		2529	#endif
		2530	XPUSHs (retval);
		2531	}
		2532
		2533	ssize_t
		2534	splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
		2535	CODE:
		2536	{
		2537	#if HAVE_LINUX_SPLICE
		2538	loff_t off_in_, off_out_;
		2539	RETVAL = splice (
		2540	rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
		2541	wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
		2542	length, flags
		2543	);
		2544	#else
		2545	RETVAL = EIO_ENOSYS ();
		2546	#endif
		2547	}
		2548	OUTPUT:
		2549	RETVAL
		2550
		2551	ssize_t
		2552	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
		2553	CODE:
		2554	#if HAVE_LINUX_SPLICE
		2555	RETVAL = tee (rfh, wfh, length, flags);
		2556	#else
		2557	RETVAL = EIO_ENOSYS ();
		2558	#endif
		2559	OUTPUT:
		2560	RETVAL
		2561
		2562	int
		2563	pipesize (aio_rfd rfh, int new_size = -1)
		2564	PROTOTYPE: $;$
		2565	CODE:
		2566	#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
		2567	if (new_size >= 0)
		2568	RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
		2569	else
		2570	RETVAL = fcntl (rfh, F_GETPIPE_SZ);
		2571	#else
		2572	errno = ENOSYS;
		2573	RETVAL = -1;
		2574	#endif
		2575	OUTPUT:
		2576	RETVAL
		2577
		2578	void
		2579	pipe2 (int flags = 0)
		2580	PROTOTYPE: ;$
		2581	PPCODE:
		2582	{
		2583	int fd[2];
		2584	int res;
		2585
		2586	if (flags)
		2587	#if HAVE_PIPE2
		2588	res = pipe2 (fd, flags);
		2589	#else
		2590	res = (errno = ENOSYS, -1);
		2591	#endif
		2592	else
		2593	res = pipe (fd);
		2594
		2595	if (!res)
		2596	{
		2597	EXTEND (SP, 2);
		2598	PUSHs (newmortalFH (fd[0], O_RDONLY));
		2599	PUSHs (newmortalFH (fd[1], O_WRONLY));
		2600	}
		2601	}
		2602
		2603	void
		2604	eventfd (unsigned int initval = 0, int flags = 0)
		2605	PPCODE:
		2606	{
		2607	int fd;
		2608	#if HAVE_EVENTFD
		2609	fd = eventfd (initval, flags);
		2610	#else
		2611	fd = (errno = ENOSYS, -1);
		2612	#endif
		2613
		2614	XPUSHs (newmortalFH (fd, O_RDWR));
		2615	}
		2616
		2617	void
		2618	timerfd_create (int clockid, int flags = 0)
		2619	PPCODE:
		2620	{
		2621	int fd;
		2622	#if HAVE_TIMERFD
		2623	fd = timerfd_create (clockid, flags);
		2624	#else
		2625	fd = (errno = ENOSYS, -1);
		2626	#endif
		2627
		2628	XPUSHs (newmortalFH (fd, O_RDWR));
		2629	}
		2630
		2631	void
		2632	timerfd_settime (SV *fh, int flags, NV interval, NV value)
		2633	PPCODE:
		2634	{
		2635	int fd = s_fileno_croak (fh, 0);
		2636	#if HAVE_TIMERFD
		2637	int res;
		2638	struct itimerspec its, ots;
		2639
		2640	ts_set (&its.it_interval, interval);
		2641	ts_set (&its.it_value , value);
		2642	res = timerfd_settime (fd, flags, &its, &ots);
		2643
		2644	if (!res)
		2645	{
		2646	EXTEND (SP, 2);
		2647	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2648	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2649	}
		2650	#else
		2651	errno = ENOSYS;
		2652	#endif
		2653	}
		2654
		2655	void
		2656	timerfd_gettime (SV *fh)
		2657	PPCODE:
		2658	{
		2659	int fd = s_fileno_croak (fh, 0);
		2660	#if HAVE_TIMERFD
		2661	int res;
		2662	struct itimerspec ots;
		2663	res = timerfd_gettime (fd, &ots);
		2664
		2665	if (!res)
		2666	{
		2667	EXTEND (SP, 2);
		2668	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2669	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2670	}
		2671	#else
		2672	errno = ENOSYS;
		2673	#endif
		2674	}
		2675
		2676	void
		2677	memfd_create (SV8 *pathname, int flags = 0)
		2678	PPCODE:
		2679	{
		2680	int fd;
		2681	#if HAVE_MEMFD_CREATE
		2682	fd = memfd_create (SvPVbyte_nolen (pathname), flags);
		2683	#else
		2684	fd = (errno = ENOSYS, -1);
		2685	#endif
		2686
		2687	XPUSHs (newmortalFH (fd, O_RDWR));
		2688	}
		2689
		2690	UV
		2691	get_fdlimit ()
		2692	CODE:
		2693	#if HAVE_RLIMITS
		2694	struct rlimit rl;
		2695	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2696	XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
		2697	#endif
		2698	XSRETURN_UNDEF;
		2699	OUTPUT:
		2700	RETVAL
		2701
		2702	void
		2703	min_fdlimit (UV limit = 0x7fffffffU)
		2704	CODE:
		2705	{
		2706	#if HAVE_RLIMITS
		2707	struct rlimit rl;
		2708	rlim_t orig_rlim_max;
		2709	UV bit;
		2710
		2711	if (0 != getrlimit (RLIMIT_NOFILE, &rl))
		2712	goto fail;
		2713
		2714	if (rl.rlim_cur == RLIM_INFINITY)
		2715	XSRETURN_YES;
		2716
		2717	orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
		2718
		2719	if (rl.rlim_cur < limit)
		2720	{
		2721	rl.rlim_cur = limit;
		2722
		2723	if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
		2724	rl.rlim_max = rl.rlim_cur;
		2725	}
		2726
		2727	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2728	XSRETURN_YES;
		2729
		2730	if (errno == EPERM)
		2731	{
		2732	/* setrlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
		2733	/* our limit overflows a system-wide limit */
		2734	/* try an adaptive algorithm, but do not lower the hardlimit */
		2735	rl.rlim_max = 0;
		2736	for (bit = 0x40000000U; bit; bit >>= 1)
		2737	{
		2738	rl.rlim_max |= bit;
		2739	rl.rlim_cur = rl.rlim_max;
		2740
		2741	/* never decrease the hard limit */
		2742	if (rl.rlim_max < orig_rlim_max)
		2743	break;
		2744
		2745	if (0 != setrlimit (RLIMIT_NOFILE, &rl))
		2746	rl.rlim_max &= ~bit; /* too high, remove bit again */
		2747	}
		2748
		2749	/* now, raise the soft limit to the max permitted */
		2750	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2751	{
		2752	rl.rlim_cur = rl.rlim_max;
		2753	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2754	errno = EPERM;
		2755	}
		2756	}
		2757	#endif
		2758	fail:
		2759	XSRETURN_UNDEF;
		2760	}
1787		2761
1788	void _on_next_submit (SV *cb)	2762	void _on_next_submit (SV *cb)
1789	CODE:	2763	CODE:
1790	SvREFCNT_dec (on_next_submit);	2764	SvREFCNT_dec (on_next_submit);
1791	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	2765	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
…		…
1826	cancel (aio_req_ornot req)	2800	cancel (aio_req_ornot req)
1827	CODE:	2801	CODE:
1828	eio_cancel (req);	2802	eio_cancel (req);
1829		2803
1830	void	2804	void
1831	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	2805	cb (aio_req_ornot req, SV *callback = NO_INIT)
1832	PPCODE:	2806	PPCODE:
1833	{	2807	{
1834	if (GIMME_V != G_VOID)	2808	if (GIMME_V != G_VOID)
1835	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	2809	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1836		2810
1837	if (items > 1)	2811	if (items > 1)
1838	{	2812	{
1839	SV *cb_cv =get_cb (callback);	2813	SV *cb_cv = get_cb (callback);
1840		2814
1841	SvREFCNT_dec (req->callback);	2815	SvREFCNT_dec (req->callback);
1842	req->callback = SvREFCNT_inc (cb_cv);	2816	req->callback = SvREFCNT_inc (cb_cv);
1843	}	2817	}
1844	}	2818	}
…		…
1901	limit (aio_req grp, int limit)	2875	limit (aio_req grp, int limit)
1902	CODE:	2876	CODE:
1903	eio_grp_limit (grp, limit);	2877	eio_grp_limit (grp, limit);
1904		2878
1905	void	2879	void
1906	feed (aio_req grp, SV *callback=&PL_sv_undef)	2880	feed (aio_req grp, SV *callback = &PL_sv_undef)
1907	CODE:	2881	CODE:
1908	{	2882	{
1909	SvREFCNT_dec (grp->sv2);	2883	SvREFCNT_dec (grp->sv2);
1910	grp->sv2 = newSVsv (callback);	2884	grp->sv2 = newSVsv (callback);
1911	grp->feed = aio_grp_feed;	2885	grp->feed = aio_grp_feed;

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