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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.219 by root, Fri Jul 27 18:43:25 2012 UTC vs.
Revision 1.287 by root, Tue Dec 29 15:28:02 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
27	# include <linux/types.h>	32	# include <linux/types.h>
28	# include <linux/fiemap.h>	33	# include <linux/fiemap.h>
29	# define HAVE_FIEMAP 1	34	# define HAVE_FIEMAP 1
…		…
70	#undef fchmod	75	#undef fchmod
71	#undef dup	76	#undef dup
72	#undef dup2	77	#undef dup2
73	#undef abort	78	#undef abort
74	#undef pipe	79	#undef pipe
		80	#undef utime
75		81
76	#define EIO_STRUCT_STAT struct _stati64	82	#define EIO_STRUCT_STAT struct _stati64
77	#define EIO_STRUCT_STATI64	83	#define EIO_STRUCT_STATI64
78		84
79	#else	85	#else
80		86
81	#include <sys/time.h>	87	#include <sys/time.h>
82	#include <sys/select.h>	88	#include <sys/select.h>
		89	#include <sys/wait.h>
83	#include <unistd.h>	90	#include <unistd.h>
84	#include <utime.h>	91	#include <utime.h>
85	#include <signal.h>	92	#include <signal.h>
86		93
87	#define EIO_STRUCT_STAT Stat_t	94	#define EIO_STRUCT_STAT Stat_t
…		…
98		105
99	#define expect_false(expr) expect ((expr) != 0, 0)	106	#define expect_false(expr) expect ((expr) != 0, 0)
100	#define expect_true(expr) expect ((expr) != 0, 1)	107	#define expect_true(expr) expect ((expr) != 0, 1)
101		108
102	/*****************************************************************************/	109	/*****************************************************************************/
		110
		111	#include "config.h"
		112
		113	#if HAVE_SYS_MKDEV_H
		114	# include <sys/mkdev.h>
		115	#elif HAVE_SYS_SYSMACROS_H
		116	# include <sys/sysmacros.h>
		117	#endif
		118
		119	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
		120	# include <sys/mman.h>
		121	#endif
		122
		123	#if HAVE_SYS_UIO_H
		124	# include <sys/uio.h>
		125	#endif
		126
		127	#if HAVE_ST_XTIMENSEC
		128	# define ATIMENSEC PL_statcache.st_atimensec
		129	# define MTIMENSEC PL_statcache.st_mtimensec
		130	# define CTIMENSEC PL_statcache.st_ctimensec
		131	#elif HAVE_ST_XTIMESPEC
		132	# define ATIMENSEC PL_statcache.st_atim.tv_nsec
		133	# define MTIMENSEC PL_statcache.st_mtim.tv_nsec
		134	# define CTIMENSEC PL_statcache.st_ctim.tv_nsec
		135	#else
		136	# define ATIMENSEC 0
		137	# define MTIMENSEC 0
		138	# define CTIMENSEC 0
		139	#endif
		140
		141	#if HAVE_ST_BIRTHTIMENSEC
		142	# define BTIMESEC PL_statcache.st_birthtime
		143	# define BTIMENSEC PL_statcache.st_birthtimensec
		144	#elif HAVE_ST_BIRTHTIMESPEC
		145	# define BTIMESEC PL_statcache.st_birthtim.tv_sec
		146	# define BTIMENSEC PL_statcache.st_birthtim.tv_nsec
		147	#else
		148	# define BTIMESEC 0
		149	# define BTIMENSEC 0
		150	#endif
		151
		152	#if HAVE_ST_GEN
		153	# define ST_GEN PL_statcache.st_gen
		154	#else
		155	# define ST_GEN 0
		156	#endif
		157
		158	#include "schmorp.h"
		159
		160	#if HAVE_EVENTFD
		161	# include <sys/eventfd.h>
		162	#endif
		163
		164	#if HAVE_TIMERFD
		165	# include <sys/timerfd.h>
		166	#endif
		167
		168	#if HAVE_RLIMITS
		169	#include <sys/time.h>
		170	#include <sys/resource.h>
		171	#endif
103		172
104	typedef SV SV8; /* byte-sv, used for argument-checking */	173	typedef SV SV8; /* byte-sv, used for argument-checking */
105	typedef int aio_rfd; /* read file desriptor */	174	typedef int aio_rfd; /* read file desriptor */
106	typedef int aio_wfd; /* write file descriptor */	175	typedef int aio_wfd; /* write file descriptor */
107		176
…		…
114	STRLEN stroffset; \	183	STRLEN stroffset; \
115	SV *self;	184	SV *self;
116		185
117	#define EIO_NO_WRAPPERS 1	186	#define EIO_NO_WRAPPERS 1
118		187
119	#include "libeio/config.h"
120	#include "libeio/eio.h"	188	#include "libeio/eio.h"
121		189
122	static int req_invoke (eio_req *req);	190	static int req_invoke (eio_req *req);
123	#define EIO_FINISH(req) req_invoke (req)	191	#define EIO_FINISH(req) req_invoke (req)
124	static void req_destroy (eio_req *grp);	192	static void req_destroy (eio_req *grp);
…		…
140	# else	208	# else
141	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	209	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
142	# endif	210	# endif
143	#endif	211	#endif
144		212
145	/* defines all sorts of constants to 0 unless they are already defined */
146	#include "def0.h"
147
148	#ifndef makedev	213	#ifndef makedev
149	# define makedev(maj,min) (((maj) << 8) | (min))	214	# define makedev(maj,min) (((maj) << 8) | (min))
150	#endif	215	#endif
151	#ifndef major	216	#ifndef major
152	# define major(dev) ((dev) >> 8)	217	# define major(dev) ((dev) >> 8)
153	#endif	218	#endif
154	#ifndef minor	219	#ifndef minor
155	# define minor(dev) ((dev) & 0xff)	220	# define minor(dev) ((dev) & 0xff)
156	#endif	221	#endif
157		222
		223	/* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */
		224	#ifdef __sun
158	#ifndef PAGESIZE	225	# undef PAGESIZE
		226	#endif
		227
		228	#if PAGESIZE <= 0
159	# define PAGESIZE sysconf (_SC_PAGESIZE)	229	# define PAGESIZE sysconf (_SC_PAGESIZE)
160	#endif	230	#endif
		231
		232	#if HAVE_SYSCALL
		233	#include <sys/syscall.h>
		234	#else
		235	# define syscall(nr,...) (errno = ENOSYS, -1)
		236	#endif
		237
		238	/*****************************************************************************/
		239
		240	#if !_POSIX_MAPPED_FILES
		241	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
		242	# define munmap(addr,length) EIO_ENOSYS ()
		243	#endif
		244
		245	#if !_POSIX_MEMORY_PROTECTION
		246	# define mprotect(addr,len,prot) EIO_ENOSYS ()
		247	#endif
		248
		249	#if !MREMAP_MAYMOVE
		250	# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
		251	#endif
		252
		253	#define FOREIGN_MAGIC PERL_MAGIC_ext
		254
		255	static int ecb_cold
		256	mmap_free (pTHX_ SV *sv, MAGIC *mg)
		257	{
		258	int old_errno = errno;
		259	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		260	errno = old_errno;
		261
		262	mg->mg_obj = 0; /* just in case */
		263
		264	SvREADONLY_off (sv);
		265
		266	if (SvPVX (sv) != mg->mg_ptr)
		267	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		268
		269	SvCUR_set (sv, 0);
		270	SvPVX (sv) = 0;
		271	SvOK_off (sv);
		272
		273	return 0;
		274	}
		275
		276	static MGVTBL mmap_vtbl = {
		277	0, 0, 0, 0, mmap_free
		278	};
		279
		280	static int ecb_cold
		281	sysfree_free (pTHX_ SV *sv, MAGIC *mg)
		282	{
		283	free (mg->mg_ptr);
		284	mg->mg_obj = 0; /* just in case */
		285
		286	SvREADONLY_off (sv);
		287
		288	if (SvPVX (sv) != mg->mg_ptr)
		289	croak ("ERROR: IO::AIO mapped scalar changed location, detected");
		290
		291	SvCUR_set (sv, 0);
		292	SvPVX (sv) = 0;
		293	SvOK_off (sv);
		294
		295	return 0;
		296	}
		297
		298	static MGVTBL sysfree_vtbl = {
		299	0, 0, 0, 0, sysfree_free
		300	};
		301
		302	/*****************************************************************************/
		303
		304	/* helper: set scalar to foreign ptr with custom free */
		305	ecb_noinline
		306	static void
		307	sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
		308	{
		309	sv_force_normal (sv);
		310
		311	/* we store the length in mg_obj, as namlen is I32 :/ */
		312	sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
		313	->mg_obj = (SV *)length;
		314
		315	SvUPGRADE (sv, SVt_PV); /* nop... */
		316
		317	if (SvLEN (sv))
		318	Safefree (SvPVX (sv));
		319
		320	SvPVX (sv) = (char *)addr;
		321	SvCUR_set (sv, length);
		322	SvLEN_set (sv, 0);
		323	SvPOK_only (sv);
		324	}
		325
		326	static void
		327	sv_clear_foreign (SV *sv)
		328	{
		329	/* todo: iterate over magic and only free ours, but of course */
		330	/* the perl5porters will call that (correct) behaviour buggy */
		331	sv_unmagic (sv, FOREIGN_MAGIC);
		332	}
		333
		334	/*****************************************************************************/
		335
		336	/* defines all sorts of constants to 0 unless they are already defined */
		337	/* also provides const_iv_ and const_niv_ macros for them */
		338	#include "def0.h"
161		339
162	/*****************************************************************************/	340	/*****************************************************************************/
163		341
164	static void	342	static void
165	fiemap (eio_req *req)	343	fiemap (eio_req *req)
166	{	344	{
167	req->result = -1;	345	req->result = -1;
168		346
169	#if HAVE_FIEMAP	347	#if HAVE_FIEMAP
		348	/* assume some c99 */
		349	struct fiemap *fiemap = 0;
		350	size_t end_offset;
170	int count = req->int3;	351	int count = req->int3;
171		352
172	/* heuristic: first try with 72 extents if we don't know how many, */	353	req->flags |= EIO_FLAG_PTR1_FREE;
173	/* as most files have (hopefully) fewer than this many extents */	354
174	/* in fact, most should have <= 2, so the 72 below is probably overkill */	355	/* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
		356	/* increase in fixed steps */
175	if (count < 0)	357	if (count < 0)
176	count = 72; /* for what it's worth, 72 extents fit nicely into 4kb */	358	count = 8;
		359
		360	fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
		361	errno = ENOMEM;
		362	if (!fiemap)
		363	return;
		364
		365	req->ptr1 = fiemap;
		366
		367	fiemap->fm_start = req->offs;
		368	fiemap->fm_length = req->size;
		369	fiemap->fm_flags = req->int2;
		370	fiemap->fm_extent_count = count;
		371
		372	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
		373	return;
		374
		375	if (req->int3 >= 0 /* not autosizing */
		376	|| !fiemap->fm_mapped_extents /* no more extents */
		377	|| fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
		378	goto done;
		379
		380	/* else we have to loop -
		381	* it would be tempting (actually I tried that first) to just query the
		382	* number of extents needed, but linux often feels like not returning all
		383	* extents, without telling us it left any out. this complicates
		384	* this quite a bit.
		385	*/
		386
		387	end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
177		388
178	for (;;)	389	for (;;)
179	{	390	{
		391	/* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
		392	char scratch[3072];
		393	struct fiemap *incmap = (struct fiemap *)scratch;
		394
		395	incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
		396	+ fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
		397	incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
		398	incmap->fm_flags = fiemap->fm_flags;
		399	incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
		400
		401	if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
		402	return;
		403
		404	if (!incmap->fm_mapped_extents)
		405	goto done;
		406
		407	count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
180	struct fiemap *fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);	408	fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
181	errno = ENOMEM;	409	errno = ENOMEM;
182	if (!fiemap)	410	if (!fiemap)
183	return;	411	return;
184		412
185	req->ptr1 = fiemap;	413	req->ptr1 = fiemap;
186	req->flags |= EIO_FLAG_PTR1_FREE;
187		414
188	fiemap->fm_start = req->offs;	415	for (count = 0; count < incmap->fm_mapped_extents; ++count)
189	fiemap->fm_length = req->size;	416	{
190	fiemap->fm_flags = req->int2;	417	struct fiemap_extent *e = incmap->fm_extents + count;
191	fiemap->fm_extent_count = count;
192		418
193	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap))	419	fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
194	return;
195		420
196	if (req->int3 >= 0)	421	if (e->fe_logical >= end_offset)
197	break; /* when not autosizing we are done */	422	goto done;
198		423
199	if (fiemap->fm_mapped_extents < count)	424	if (e->fe_flags & FIEMAP_EXTENT_LAST)
200	/* either autosizing succeeded,	425	goto done;
201	* or the file had no extents
202	* or we luckily had enough space */
203	break;
204		426
205	/* some kernels overwrite fm_length, so just reset everything */	427	}
206	fiemap->fm_start = req->offs;
207	fiemap->fm_length = req->size;
208	fiemap->fm_flags = req->int2;
209	fiemap->fm_extent_count = 0;
210
211	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap))
212	return;
213
214	/* to work around a kernel bug, we allocate one more */
215	count = fiemap->fm_mapped_extents + 1;
216
217	free (fiemap);
218	}	428	}
219		429
		430	done:
220	req->result = 0;	431	req->result = 0;
221		432
222	#else	433	#else
223	errno = ENOSYS;	434	errno = ENOSYS;
224	#endif	435	#endif
225	}	436	}
226		437
227	/*****************************************************************************/	438	/*****************************************************************************/
		439
		440	static int close_fd; /* dummy fd to close fds via dup2 */
		441
		442	#if HAVE_STATX
		443	static struct statx stx;
		444	#define statx_offsetof(member) offsetof (struct statx, member)
		445	#define eio__statx statx
		446	#else
		447	#define statx_offsetof(member) 0
		448	#define eio__statx(dir,path,flags,mask,stx) EIO_ENOSYS()
		449	#endif
228		450
229	enum {	451	enum {
230	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	452	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
231	};	453	};
232		454
…		…
256	/* read any signals sent by the worker threads */	478	/* read any signals sent by the worker threads */
257	s_epipe_drain (&respipe);	479	s_epipe_drain (&respipe);
258	}	480	}
259		481
260	/* must be called at most once */	482	/* must be called at most once */
		483	ecb_noinline
261	static SV *	484	static SV *
262	req_sv (aio_req req, HV *stash)	485	req_sv (aio_req req, HV *stash)
263	{	486	{
264	if (!req->self)	487	if (!req->self)
265	{	488	{
…		…
271	}	494	}
272		495
273	static SV *	496	static SV *
274	newSVaio_wd (aio_wd wd)	497	newSVaio_wd (aio_wd wd)
275	{	498	{
276	return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash);	499	return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
277	}	500	}
278		501
		502	ecb_noinline
279	static aio_req	503	static aio_req
280	SvAIO_REQ (SV *sv)	504	SvAIO_REQ (SV *sv)
281	{	505	{
282	MAGIC *mg;	506	MAGIC *mg;
283		507
…		…
300	|| SvTYPE (SvRV (sv)) != SVt_PVMG	524	|| SvTYPE (SvRV (sv)) != SVt_PVMG
301	|| SvSTASH (SvRV (sv)) != aio_wd_stash)	525	|| SvSTASH (SvRV (sv)) != aio_wd_stash)
302	croak ("IO::AIO: expected a working directory object as returned by aio_wd");	526	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
303		527
304	return (aio_wd)(long)SvIVX (SvRV (sv));	528	return (aio_wd)(long)SvIVX (SvRV (sv));
		529	}
		530
		531	static SV *
		532	newmortalFH (int fd, int flags)
		533	{
		534	if (fd < 0)
		535	return &PL_sv_undef;
		536
		537	GV *gv = (GV *)sv_newmortal ();
		538	char sym[64];
		539	int symlen;
		540
		541	symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
		542	gv_init (gv, aio_stash, sym, symlen, 0);
		543
		544	symlen = snprintf (
		545	sym,
		546	sizeof (sym),
		547	"%s&=%d",
		548	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
		549	fd
		550	);
		551
		552	return do_open (gv, sym, symlen, 0, 0, 0, 0)
		553	? (SV *)gv : &PL_sv_undef;
305	}	554	}
306		555
307	static void	556	static void
308	aio_grp_feed (aio_req grp)	557	aio_grp_feed (aio_req grp)
309	{	558	{
…		…
321	FREETMPS;	570	FREETMPS;
322	LEAVE;	571	LEAVE;
323	}	572	}
324	}	573	}
325		574
		575	ecb_noinline
326	static void	576	static void
327	req_submit (eio_req *req)	577	req_submit (eio_req *req)
328	{	578	{
329	eio_submit (req);	579	eio_submit (req);
330		580
…		…
437	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));	687	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
438	}	688	}
439	break;	689	break;
440		690
441	case EIO_OPEN:	691	case EIO_OPEN:
442	{	692	PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
443	/* convert fd to fh */
444	SV *fh = &PL_sv_undef;
445
446	if (req->result >= 0)
447	{
448	GV *gv = (GV *)sv_newmortal ();
449	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
450	char sym [64];
451	int symlen;
452
453	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
454	gv_init (gv, aio_stash, sym, symlen, 0);
455
456	symlen = snprintf (
457	sym,
458	sizeof (sym),
459	"%s&=%d",
460	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
461	(int)req->result
462	);
463
464	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
465	fh = (SV *)gv;
466	}
467
468	PUSHs (fh);
469	}
470	break;	693	break;
471		694
472	case EIO_STATVFS:	695	case EIO_STATVFS:
473	case EIO_FSTATVFS:	696	case EIO_FSTATVFS:
474	{	697	{
…		…
477	#ifndef _WIN32	700	#ifndef _WIN32
478	if (req->result >= 0)	701	if (req->result >= 0)
479	{	702	{
480	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	703	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
481	HV *hv = newHV ();	704	HV *hv = newHV ();
		705	/* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
		706	* chooses to make it a struct.
		707	*/
		708	unsigned long fsid = 0;
		709	memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
482		710
483	rv = sv_2mortal (newRV_noinc ((SV *)hv));	711	rv = sv_2mortal (newRV_noinc ((SV *)hv));
484		712
485	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);	713	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
486	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);	714	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
…		…
488	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);	716	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
489	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);	717	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
490	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);	718	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
491	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);	719	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
492	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);	720	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
493	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);	721	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
494	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);	722	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
495	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);	723	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
496	}	724	}
497	#endif	725	#endif
498		726
…		…
549	SvSETMAGIC (req->sv2);	777	SvSETMAGIC (req->sv2);
550	PUSHs (sv_result);	778	PUSHs (sv_result);
551	}	779	}
552	break;	780	break;
553		781
		782	case EIO_SLURP:
		783	{
		784	if (req->result >= 0)
		785	{
		786	/* if length was originally not known, we steal the malloc'ed memory */
		787	if (req->flags & EIO_FLAG_PTR2_FREE)
		788	{
		789	req->flags &= ~EIO_FLAG_PTR2_FREE;
		790	sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
		791	}
		792	else
		793	{
		794	SvCUR_set (req->sv2, req->result);
		795	*SvEND (req->sv2) = 0;
		796	SvPOK_only (req->sv2);
		797	}
		798
		799	SvSETMAGIC (req->sv2);
		800	}
		801
		802	PUSHs (sv_result);
		803	}
		804	break;
		805
554	case EIO_CUSTOM:	806	case EIO_CUSTOM:
555	if (req->feed == fiemap)	807	if (req->feed == fiemap)
556	{	808	{
557	#if HAVE_FIEMAP	809	#if HAVE_FIEMAP
558	if (!req->result)	810	if (!req->result)
…		…
589	}	841	}
590	else	842	else
591	PUSHs (sv_result);	843	PUSHs (sv_result);
592	break;	844	break;
593		845
		846	#if 0
		847	case EIO_CLOSE:
		848	PerlIOUnix_refcnt_dec (req->int1);
		849	break;
		850	#endif
		851
594	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */	852	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
595	if (req->result > 0)	853	if (req->result > 0)
596	SvIV_set (sv_result, 0);	854	SvIV_set (sv_result, 0);
597	/* FALLTHROUGH */	855	/* FALLTHROUGH */
598		856
…		…
649	grp->sv2 = 0;	907	grp->sv2 = 0;
650		908
651	eio_grp_cancel (grp);	909	eio_grp_cancel (grp);
652	}	910	}
653		911
654	static void ecb_cold	912	ecb_cold
		913	static void
655	create_respipe (void)	914	create_respipe (void)
656	{	915	{
657	if (s_epipe_renew (&respipe))	916	if (s_epipe_renew (&respipe))
658	croak ("IO::AIO: unable to initialize result pipe");	917	croak ("IO::AIO: unable to initialize result pipe");
659	}	918	}
…		…
663	{	922	{
664	while (eio_nreqs ())	923	while (eio_nreqs ())
665	{	924	{
666	int size;	925	int size;
667		926
668	X_LOCK (reslock);	927	X_LOCK (EIO_POOL->reslock);
669	size = res_queue.size;	928	size = EIO_POOL->res_queue.size;
670	X_UNLOCK (reslock);	929	X_UNLOCK (EIO_POOL->reslock);
671		930
672	if (size)	931	if (size)
673	return;	932	return;
674		933
675	etp_maybe_start_thread ();	934	etp_maybe_start_thread (EIO_POOL);
676		935
677	s_epipe_wait (&respipe);	936	s_epipe_wait (&respipe);
678	}	937	}
679	}	938	}
680		939
…		…
693		952
694	poll_wait ();	953	poll_wait ();
695	}	954	}
696	}	955	}
697		956
698	static void ecb_cold	957	ecb_cold
		958	static void
699	reinit (void)	959	reinit (void)
700	{	960	{
701	create_respipe ();	961	create_respipe ();
702		962
703	if (eio_init (want_poll, done_poll) < 0)	963	if (eio_init (want_poll, done_poll) < 0)
704	croak ("IO::AIO: unable to initialise eio library");	964	croak ("IO::AIO: unable to initialise eio library");
705	}	965	}
706		966
707	/*****************************************************************************/	967	/*****************************************************************************/
708		968
709	#if !_POSIX_MAPPED_FILES
710	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
711	# define munmap(addr,length) EIO_ENOSYS ()
712	#endif
713
714	#if !_POSIX_MEMORY_PROTECTION
715	# define mprotect(addr,len,prot) EIO_ENOSYS ()
716	# define PROT_NONE 0
717	# define PROT_WRITE 0
718	# define MAP_PRIVATE 0
719	# define MAP_SHARED 0
720	# define MAP_FIXED 0
721	#endif
722
723	#define MMAP_MAGIC PERL_MAGIC_ext
724
725	static int ecb_cold
726	mmap_free (pTHX_ SV *sv, MAGIC *mg)
727	{
728	int old_errno = errno;
729	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
730	errno = old_errno;
731
732	mg->mg_obj = 0; /* just in case */
733
734	SvREADONLY_off (sv);
735
736	if (SvPVX (sv) != mg->mg_ptr)
737	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
738
739	SvCUR_set (sv, 0);
740	SvPVX (sv) = 0;
741	SvOK_off (sv);
742
743	return 0;
744	}
745
746	static MGVTBL mmap_vtbl = {
747	0, 0, 0, 0, mmap_free
748	};
749
750	/*****************************************************************************/
751
752	static SV *	969	static SV *
753	get_cb (SV *cb_sv)	970	get_cb (SV *cb_sv)
754	{	971	{
755	SvGETMAGIC (cb_sv);	972	SvGETMAGIC (cb_sv);
756	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	973	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
757	}	974	}
758		975
		976	ecb_noinline
759	static aio_req ecb_noinline	977	static aio_req ecb_noinline
760	dreq (SV *callback)	978	dreq (SV *callback)
761	{	979	{
762	SV *cb_cv;	980	SV *cb_cv;
763	aio_req req;	981	aio_req req;
…		…
785	SPAGAIN; \	1003	SPAGAIN; \
786	\	1004	\
787	if (GIMME_V != G_VOID) \	1005	if (GIMME_V != G_VOID) \
788	XPUSHs (req_sv (req, aio_req_stash));	1006	XPUSHs (req_sv (req, aio_req_stash));
789		1007
		1008	/* *wdsv, *pathsv, *wd and *ptr must be 0-initialized */
790	ecb_inline void	1009	ecb_inline
		1010	void
791	req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)	1011	req_set_path (SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
792	{	1012	{
793	if (expect_false (SvROK (path)))	1013	if (expect_false (SvROK (path)))
794	{	1014	{
795	SV *rv = SvRV (path);	1015	SV *rv = SvRV (path);
796	SV *wdob;	1016	SV *wdob;
…		…
821		1041
822	*pathsv = newSVsv (path);	1042	*pathsv = newSVsv (path);
823	*ptr = SvPVbyte_nolen (*pathsv);	1043	*ptr = SvPVbyte_nolen (*pathsv);
824	}	1044	}
825		1045
826	static void ecb_noinline	1046	ecb_noinline
		1047	static void
827	req_set_path1 (aio_req req, SV *path)	1048	req_set_path1 (aio_req req, SV *path)
828	{	1049	{
829	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);	1050	req_set_path (path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
830	}	1051	}
831		1052
832	static void ecb_noinline	1053	ecb_noinline
		1054	static void
833	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)	1055	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
834	{	1056	{
835	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;	1057	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
836		1058
837	switch (SvTYPE (rv))	1059	switch (SvTYPE (rv))
…		…
849	req_set_path1 (req, fh_or_path);	1071	req_set_path1 (req, fh_or_path);
850	break;	1072	break;
851	}	1073	}
852	}	1074	}
853		1075
		1076	/*****************************************************************************/
		1077
		1078	static void
		1079	ts_set (struct timespec *ts, NV value)
		1080	{
		1081	ts->tv_sec = value;
		1082	ts->tv_nsec = (value - ts->tv_sec) * 1e9;
		1083	}
		1084
		1085	static NV
		1086	ts_get (const struct timespec *ts)
		1087	{
		1088	return ts->tv_sec + ts->tv_nsec * 1e-9;
		1089	}
		1090
		1091	/*****************************************************************************/
		1092
854	XS(boot_IO__AIO) ecb_cold;	1093	XS(boot_IO__AIO) ecb_cold;
855		1094
856	MODULE = IO::AIO PACKAGE = IO::AIO	1095	MODULE = IO::AIO PACKAGE = IO::AIO
857		1096
858	PROTOTYPES: ENABLE	1097	PROTOTYPES: ENABLE
…		…
865	} *civ, const_iv[] = {	1104	} *civ, const_iv[] = {
866	# define const_niv(name, value) { # name, (IV) value },	1105	# define const_niv(name, value) { # name, (IV) value },
867	# define const_iv(name) { # name, (IV) name },	1106	# define const_iv(name) { # name, (IV) name },
868	# define const_eio(name) { # name, (IV) EIO_ ## name },	1107	# define const_eio(name) { # name, (IV) EIO_ ## name },
869		1108
870	/* you have to re-run ./gendef0 after adding/Removing any constants here */	1109	/* you have to re-run ./gendef0 after adding/removing any constants here */
871		1110	/* the first block can be undef if missing */
872	const_iv (ENOSYS)	1111	const_iv (ENOSYS)
873	const_iv (EXDEV)	1112	const_iv (EXDEV)
874	const_iv (EBADR)	1113	const_iv (EBADR)
		1114
		1115	/* for lseek */
		1116	const_iv (SEEK_DATA)
		1117	const_iv (SEEK_HOLE)
		1118
		1119	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
		1120	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		1121	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
		1122	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		1123	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		1124	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		1125
		1126	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		1127	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		1128	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		1129	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		1130	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		1131
		1132	/* the second block will be 0 when missing */
		1133	const_iv (O_ACCMODE)
875		1134
876	const_iv (O_RDONLY)	1135	const_iv (O_RDONLY)
877	const_iv (O_WRONLY)	1136	const_iv (O_WRONLY)
878	const_iv (O_RDWR)	1137	const_iv (O_RDWR)
879	const_iv (O_CREAT)	1138	const_iv (O_CREAT)
…		…
893	const_iv (O_SEARCH)	1152	const_iv (O_SEARCH)
894	const_iv (O_DIRECTORY)	1153	const_iv (O_DIRECTORY)
895	const_iv (O_DSYNC)	1154	const_iv (O_DSYNC)
896	const_iv (O_RSYNC)	1155	const_iv (O_RSYNC)
897	const_iv (O_SYNC)	1156	const_iv (O_SYNC)
		1157	const_iv (O_PATH)
		1158	const_iv (O_TMPFILE)
898	const_iv (O_TTY_INIT)	1159	const_iv (O_TTY_INIT)
899		1160
900	const_iv (S_IFIFO)	1161	const_iv (S_IFIFO)
901	const_iv (S_IFCHR)	1162	const_iv (S_IFCHR)
902	const_iv (S_IFBLK)	1163	const_iv (S_IFBLK)
…		…
904	const_iv (S_IFREG)	1165	const_iv (S_IFREG)
905	const_iv (S_IFDIR)	1166	const_iv (S_IFDIR)
906	const_iv (S_IFWHT)	1167	const_iv (S_IFWHT)
907	const_iv (S_IFSOCK)	1168	const_iv (S_IFSOCK)
908	const_iv (S_IFMT)	1169	const_iv (S_IFMT)
909
910	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
911	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
912	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
913	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
914	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
915	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
916
917	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
918	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
919	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
920	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
921	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
922		1170
923	const_iv (ST_RDONLY)	1171	const_iv (ST_RDONLY)
924	const_iv (ST_NOSUID)	1172	const_iv (ST_NOSUID)
925	const_iv (ST_NODEV)	1173	const_iv (ST_NODEV)
926	const_iv (ST_NOEXEC)	1174	const_iv (ST_NOEXEC)
…		…
936	const_iv (PROT_NONE)	1184	const_iv (PROT_NONE)
937	const_iv (PROT_EXEC)	1185	const_iv (PROT_EXEC)
938	const_iv (PROT_READ)	1186	const_iv (PROT_READ)
939	const_iv (PROT_WRITE)	1187	const_iv (PROT_WRITE)
940		1188
941	/*const_iv (MAP_FIXED)*/
942	const_iv (MAP_PRIVATE)	1189	const_iv (MAP_PRIVATE)
943	const_iv (MAP_SHARED)	1190	const_iv (MAP_SHARED)
		1191	const_iv (MAP_FIXED)
944	const_iv (MAP_ANONYMOUS)	1192	const_iv (MAP_ANONYMOUS)
945		1193
946	/* linuxish */	1194	/* linuxish */
947	const_iv (MAP_HUGETLB)
948	const_iv (MAP_LOCKED)	1195	const_iv (MAP_LOCKED)
949	const_iv (MAP_NORESERVE)	1196	const_iv (MAP_NORESERVE)
950	const_iv (MAP_POPULATE)	1197	const_iv (MAP_POPULATE)
951	const_iv (MAP_NONBLOCK)	1198	const_iv (MAP_NONBLOCK)
		1199	const_iv (MAP_GROWSDOWN)
		1200	const_iv (MAP_32BIT)
		1201	const_iv (MAP_HUGETLB)
		1202	const_iv (MAP_STACK)
		1203
		1204	const_iv (MREMAP_MAYMOVE)
		1205	const_iv (MREMAP_FIXED)
		1206
		1207	const_iv (MSG_CMSG_CLOEXEC)
		1208	const_iv (SOCK_CLOEXEC)
		1209
		1210	const_iv (F_DUPFD_CLOEXEC)
		1211
		1212	const_iv (F_ADD_SEALS)
		1213	const_iv (F_GET_SEALS)
		1214	const_iv (F_SEAL_SEAL)
		1215	const_iv (F_SEAL_SHRINK)
		1216	const_iv (F_SEAL_GROW)
		1217	const_iv (F_SEAL_WRITE)
		1218
		1219	const_iv (F_OFD_GETLK)
		1220	const_iv (F_OFD_SETLK)
		1221	const_iv (F_OFD_GETLKW)
		1222
		1223	const_iv (FIFREEZE)
		1224	const_iv (FITHAW)
		1225	const_iv (FITRIM)
		1226	const_iv (FICLONE)
		1227	const_iv (FICLONERANGE)
		1228	const_iv (FIDEDUPERANGE)
		1229
		1230	const_iv (FS_IOC_GETFLAGS)
		1231	const_iv (FS_IOC_SETFLAGS)
		1232	const_iv (FS_IOC_GETVERSION)
		1233	const_iv (FS_IOC_SETVERSION)
		1234	const_iv (FS_IOC_FIEMAP)
		1235	const_iv (FS_IOC_FSGETXATTR)
		1236	const_iv (FS_IOC_FSSETXATTR)
		1237	const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
		1238	const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
		1239	const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
		1240
		1241	const_iv (FS_KEY_DESCRIPTOR_SIZE)
		1242
		1243	const_iv (FS_SECRM_FL)
		1244	const_iv (FS_UNRM_FL)
		1245	const_iv (FS_COMPR_FL)
		1246	const_iv (FS_SYNC_FL)
		1247	const_iv (FS_IMMUTABLE_FL)
		1248	const_iv (FS_APPEND_FL)
		1249	const_iv (FS_NODUMP_FL)
		1250	const_iv (FS_NOATIME_FL)
		1251	const_iv (FS_DIRTY_FL)
		1252	const_iv (FS_COMPRBLK_FL)
		1253	const_iv (FS_NOCOMP_FL)
		1254	const_iv (FS_ENCRYPT_FL)
		1255	const_iv (FS_BTREE_FL)
		1256	const_iv (FS_INDEX_FL)
		1257	const_iv (FS_JOURNAL_DATA_FL)
		1258	const_iv (FS_NOTAIL_FL)
		1259	const_iv (FS_DIRSYNC_FL)
		1260	const_iv (FS_TOPDIR_FL)
		1261	const_iv (FS_FL_USER_MODIFIABLE)
		1262
		1263	const_iv (FS_XFLAG_REALTIME)
		1264	const_iv (FS_XFLAG_PREALLOC)
		1265	const_iv (FS_XFLAG_IMMUTABLE)
		1266	const_iv (FS_XFLAG_APPEND)
		1267	const_iv (FS_XFLAG_SYNC)
		1268	const_iv (FS_XFLAG_NOATIME)
		1269	const_iv (FS_XFLAG_NODUMP)
		1270	const_iv (FS_XFLAG_RTINHERIT)
		1271	const_iv (FS_XFLAG_PROJINHERIT)
		1272	const_iv (FS_XFLAG_NOSYMLINKS)
		1273	const_iv (FS_XFLAG_EXTSIZE)
		1274	const_iv (FS_XFLAG_EXTSZINHERIT)
		1275	const_iv (FS_XFLAG_NODEFRAG)
		1276	const_iv (FS_XFLAG_FILESTREAM)
		1277	const_iv (FS_XFLAG_DAX)
		1278	const_iv (FS_XFLAG_HASATTR)
952		1279
953	const_iv (FIEMAP_FLAG_SYNC)	1280	const_iv (FIEMAP_FLAG_SYNC)
954	const_iv (FIEMAP_FLAG_XATTR)	1281	const_iv (FIEMAP_FLAG_XATTR)
955	const_iv (FIEMAP_FLAGS_COMPAT)	1282	const_iv (FIEMAP_FLAGS_COMPAT)
956	const_iv (FIEMAP_EXTENT_LAST)	1283	const_iv (FIEMAP_EXTENT_LAST)
…		…
968	const_iv (SPLICE_F_MOVE)	1295	const_iv (SPLICE_F_MOVE)
969	const_iv (SPLICE_F_NONBLOCK)	1296	const_iv (SPLICE_F_NONBLOCK)
970	const_iv (SPLICE_F_MORE)	1297	const_iv (SPLICE_F_MORE)
971	const_iv (SPLICE_F_GIFT)	1298	const_iv (SPLICE_F_GIFT)
972		1299
		1300	const_iv (EFD_CLOEXEC)
		1301	const_iv (EFD_NONBLOCK)
		1302	const_iv (EFD_SEMAPHORE)
		1303
		1304	const_iv (MFD_CLOEXEC)
		1305	const_iv (MFD_ALLOW_SEALING)
		1306	const_iv (MFD_HUGETLB)
		1307
		1308	const_iv (CLOCK_REALTIME)
		1309	const_iv (CLOCK_MONOTONIC)
		1310	const_iv (CLOCK_BOOTTIME)
		1311	const_iv (CLOCK_REALTIME_ALARM)
		1312	const_iv (CLOCK_BOOTTIME_ALARM)
		1313
		1314	const_iv (TFD_NONBLOCK)
		1315	const_iv (TFD_CLOEXEC)
		1316
		1317	const_iv (TFD_TIMER_ABSTIME)
		1318	const_iv (TFD_TIMER_CANCEL_ON_SET)
		1319
		1320	const_iv (STATX_TYPE)
		1321	const_iv (STATX_MODE)
		1322	const_iv (STATX_NLINK)
		1323	const_iv (STATX_UID)
		1324	const_iv (STATX_GID)
		1325	const_iv (STATX_ATIME)
		1326	const_iv (STATX_MTIME)
		1327	const_iv (STATX_CTIME)
		1328	const_iv (STATX_INO)
		1329	const_iv (STATX_SIZE)
		1330	const_iv (STATX_BLOCKS)
		1331	const_iv (STATX_BASIC_STATS)
973	const_iv (SEEK_DATA)	1332	const_iv (STATX_ALL)
		1333	const_iv (STATX_BTIME)
		1334	const_iv (STATX_ATTR_COMPRESSED)
		1335	const_iv (STATX_ATTR_IMMUTABLE)
		1336	const_iv (STATX_ATTR_APPEND)
		1337	const_iv (STATX_ATTR_NODUMP)
		1338	const_iv (STATX_ATTR_ENCRYPTED)
		1339	const_iv (STATX_ATTR_AUTOMOUNT)
		1340
		1341	const_iv (AT_FDCWD)
		1342	const_iv (AT_SYMLINK_NOFOLLOW)
		1343	const_iv (AT_EACCESS)
		1344	const_iv (AT_REMOVEDIR)
		1345	const_iv (AT_SYMLINK_FOLLOW)
		1346	const_iv (AT_NO_AUTOMOUNT)
		1347	const_iv (AT_EMPTY_PATH)
		1348	const_iv (AT_STATX_SYNC_TYPE)
		1349	const_iv (AT_STATX_AS_STAT)
		1350	const_iv (AT_STATX_FORCE_SYNC)
		1351	const_iv (AT_STATX_DONT_SYNC)
		1352	const_iv (AT_RECURSIVE)
		1353
		1354	const_iv (OPEN_TREE_CLONE)
		1355
		1356	const_iv (FSOPEN_CLOEXEC)
		1357
		1358	const_iv (FSPICK_CLOEXEC)
		1359	const_iv (FSPICK_SYMLINK_NOFOLLOW)
		1360	const_iv (FSPICK_NO_AUTOMOUNT)
		1361	const_iv (FSPICK_EMPTY_PATH)
		1362
		1363	const_iv (MOVE_MOUNT_F_SYMLINKS)
		1364	const_iv (MOVE_MOUNT_F_AUTOMOUNTS)
		1365	const_iv (MOVE_MOUNT_F_EMPTY_PATH)
		1366	const_iv (MOVE_MOUNT_T_SYMLINKS)
		1367	const_iv (MOVE_MOUNT_T_AUTOMOUNTS)
		1368	const_iv (MOVE_MOUNT_T_EMPTY_PATH)
		1369
		1370	/* waitid */
		1371	const_iv (P_PID)
		1372	const_iv (P_PIDFD)
		1373	const_iv (P_PGID)
974	const_iv (SEEK_HOLE)	1374	const_iv (P_ALL)
975		1375
976	/* libeio constants */	1376	/* these are libeio constants, and are independent of gendef0 */
977	const_eio (SEEK_SET)	1377	const_eio (SEEK_SET)
978	const_eio (SEEK_CUR)	1378	const_eio (SEEK_CUR)
979	const_eio (SEEK_END)	1379	const_eio (SEEK_END)
980		1380
981	const_eio (MCL_FUTURE)	1381	const_eio (MCL_FUTURE)
982	const_eio (MCL_CURRENT)	1382	const_eio (MCL_CURRENT)
		1383	const_eio (MCL_ONFAULT)
983		1384
984	const_eio (MS_ASYNC)	1385	const_eio (MS_ASYNC)
985	const_eio (MS_INVALIDATE)	1386	const_eio (MS_INVALIDATE)
986	const_eio (MS_SYNC)	1387	const_eio (MS_SYNC)
987		1388
…		…
991	const_eio (SYNC_FILE_RANGE_WRITE)	1392	const_eio (SYNC_FILE_RANGE_WRITE)
992	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1393	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
993		1394
994	const_eio (FALLOC_FL_KEEP_SIZE)	1395	const_eio (FALLOC_FL_KEEP_SIZE)
995	const_eio (FALLOC_FL_PUNCH_HOLE)	1396	const_eio (FALLOC_FL_PUNCH_HOLE)
		1397	const_eio (FALLOC_FL_COLLAPSE_RANGE)
		1398	const_eio (FALLOC_FL_ZERO_RANGE)
		1399	const_eio (FALLOC_FL_INSERT_RANGE)
		1400	const_eio (FALLOC_FL_UNSHARE_RANGE)
		1401
		1402	const_eio (RENAME_NOREPLACE)
		1403	const_eio (RENAME_EXCHANGE)
		1404	const_eio (RENAME_WHITEOUT)
996		1405
997	const_eio (READDIR_DENTS)	1406	const_eio (READDIR_DENTS)
998	const_eio (READDIR_DIRS_FIRST)	1407	const_eio (READDIR_DIRS_FIRST)
999	const_eio (READDIR_STAT_ORDER)	1408	const_eio (READDIR_STAT_ORDER)
1000	const_eio (READDIR_FOUND_UNKNOWN)	1409	const_eio (READDIR_FOUND_UNKNOWN)
…		…
1018	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)	1427	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
1019	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));	1428	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
1020		1429
1021	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1430	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
1022		1431
		1432	/* allocate dummy pipe fd for aio_close */
		1433	{
		1434	int pipefd [2];
		1435
		1436	if (
		1437	#ifdef _WIN32
		1438	_pipe (pipefd, 1, _O_BINARY) < 0
		1439	#else
		1440	pipe (pipefd) < 0
		1441	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1442	#endif
		1443	|| close (pipefd [1]) < 0
		1444	)
		1445	croak ("IO::AIO: unable to create dummy pipe for aio_close");
		1446
		1447	close_fd = pipefd [0];
		1448	}
		1449
1023	reinit ();	1450	reinit ();
1024	}	1451	}
1025		1452
1026	void	1453	void
1027	reinit ()	1454	reinit ()
…		…
1068	PROTOTYPE: $	1495	PROTOTYPE: $
1069	CODE:	1496	CODE:
1070	max_outstanding = maxreqs;	1497	max_outstanding = maxreqs;
1071		1498
1072	void	1499	void
1073	aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)	1500	aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
1074	PPCODE:	1501	PPCODE:
1075	{	1502	{
1076	dREQ;	1503	dREQ;
1077		1504
1078	req->type = EIO_WD_OPEN;	1505	req->type = EIO_WD_OPEN;
…		…
1080		1507
1081	REQ_SEND;	1508	REQ_SEND;
1082	}	1509	}
1083		1510
1084	void	1511	void
1085	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1512	aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1086	PPCODE:	1513	PPCODE:
1087	{	1514	{
1088	dREQ;	1515	dREQ;
1089		1516
1090	req->type = EIO_OPEN;	1517	req->type = EIO_OPEN;
…		…
1094		1521
1095	REQ_SEND;	1522	REQ_SEND;
1096	}	1523	}
1097		1524
1098	void	1525	void
1099	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1526	aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
1100	ALIAS:	1527	ALIAS:
1101	aio_fsync = EIO_FSYNC	1528	aio_fsync = EIO_FSYNC
1102	aio_fdatasync = EIO_FDATASYNC	1529	aio_fdatasync = EIO_FDATASYNC
1103	aio_syncfs = EIO_SYNCFS	1530	aio_syncfs = EIO_SYNCFS
1104	PPCODE:	1531	PPCODE:
1105	{	1532	{
1106	int fd = s_fileno_croak (fh, 0);	1533	int fd = s_fileno_croak (fh, 0);
1107	dREQ;	1534	dREQ;
1108		1535
1109	req->type = ix;	1536	req->type = ix;
1110	req->sv1 = newSVsv (fh);	1537	req->sv1 = newSVsv (fh);
1111	req->int1 = fd;	1538	req->int1 = fd;
1112		1539
1113	REQ_SEND;	1540	REQ_SEND;
1114	}	1541	}
1115		1542
1116	void	1543	void
1117	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1544	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
1118	PPCODE:	1545	PPCODE:
1119	{	1546	{
1120	int fd = s_fileno_croak (fh, 0);	1547	int fd = s_fileno_croak (fh, 0);
1121	dREQ;	1548	dREQ;
1122		1549
1123	req->type = EIO_SYNC_FILE_RANGE;	1550	req->type = EIO_SYNC_FILE_RANGE;
1124	req->sv1 = newSVsv (fh);	1551	req->sv1 = newSVsv (fh);
1125	req->int1 = fd;	1552	req->int1 = fd;
…		…
1129		1556
1130	REQ_SEND;	1557	REQ_SEND;
1131	}	1558	}
1132		1559
1133	void	1560	void
1134	aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)	1561	aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
1135	PPCODE:	1562	PPCODE:
1136	{	1563	{
1137	int fd = s_fileno_croak (fh, 0);	1564	int fd = s_fileno_croak (fh, 0);
1138	dREQ;	1565	dREQ;
1139		1566
1140	req->type = EIO_FALLOCATE;	1567	req->type = EIO_FALLOCATE;
1141	req->sv1 = newSVsv (fh);	1568	req->sv1 = newSVsv (fh);
1142	req->int1 = fd;	1569	req->int1 = fd;
…		…
1146		1573
1147	REQ_SEND;	1574	REQ_SEND;
1148	}	1575	}
1149		1576
1150	void	1577	void
1151	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1578	aio_close (SV *fh, SV *callback = &PL_sv_undef)
1152	PPCODE:	1579	PPCODE:
1153	{	1580	{
1154	static int close_fd = -1; /* dummy fd to close fds via dup2 */
1155	int fd = s_fileno_croak (fh, 0);	1581	int fd = s_fileno_croak (fh, 0);
1156	dREQ;	1582	dREQ;
		1583	#if 0
		1584	/* partially duplicate logic in s_fileno */
		1585	SvGETMAGIC (fh);
1157		1586
1158	if (expect_false (close_fd < 0))	1587	if (SvROK (fh))
		1588	{
		1589	fh = SvRV (fh);
		1590	SvGETMAGIC (fh);
		1591	}
		1592
		1593	if (SvTYPE (fh) == SVt_PVGV)
1159	{	1594	{
1160	int pipefd [2];	1595	/* perl filehandle */
		1596	PerlIOUnix_refcnt_inc (fd);
		1597	do_close ((GV *)fh, 1);
1161		1598
1162	if (	1599	req->type = EIO_CLOSE;
1163	#ifdef _WIN32	1600	req->int1 = fd;
1164	_pipe (pipefd, 1, _O_BINARY) < 0	1601	/*req->sv2 = newSVsv (fh);*/ /* since we stole the fd, no need to keep the fh */
1165	#else
1166	pipe (pipefd) < 0
1167	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1168	#endif
1169	|| close (pipefd [1]) < 0
1170	)
1171	abort (); /*D*/
1172
1173	close_fd = pipefd [0];
1174	}	1602	}
1175		1603	else
		1604	#endif
		1605	{
		1606	/* fd number */
1176	req->type = EIO_DUP2;	1607	req->type = EIO_DUP2;
1177	req->int1 = close_fd;	1608	req->int1 = close_fd;
1178	req->sv2 = newSVsv (fh);	1609	req->sv2 = newSVsv (fh);
1179	req->int2 = fd;	1610	req->int2 = fd;
		1611	}
1180		1612
1181	REQ_SEND;	1613	REQ_SEND;
1182	}	1614	}
1183		1615
1184	void	1616	void
1185	aio_seek (SV *fh, SV *offset, int whence, SV *callback=&PL_sv_undef)	1617	aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1186	PPCODE:	1618	PPCODE:
1187	{	1619	{
1188	int fd = s_fileno_croak (fh, 0);	1620	int fd = s_fileno_croak (fh, 0);
1189	dREQ;	1621	dREQ;
1190		1622
…		…
1196		1628
1197	REQ_SEND;	1629	REQ_SEND;
1198	}	1630	}
1199		1631
1200	void	1632	void
1201	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1633	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
1202	ALIAS:	1634	ALIAS:
1203	aio_read = EIO_READ	1635	aio_read = EIO_READ
1204	aio_write = EIO_WRITE	1636	aio_write = EIO_WRITE
1205	PPCODE:	1637	PPCODE:
1206	{	1638	{
…		…
1222	len = svlen - dataoffset;	1654	len = svlen - dataoffset;
1223	}	1655	}
1224	else	1656	else
1225	{	1657	{
1226	/* read: check type and grow scalar as necessary */	1658	/* read: check type and grow scalar as necessary */
1227	SvUPGRADE (data, SVt_PV);
1228	if (SvLEN (data) >= SvCUR (data))	1659	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1229	svptr = SvGROW (data, len + dataoffset + 1);	1660	svptr = sv_grow (data, len + dataoffset + 1);
1230	else if (SvCUR (data) < len + dataoffset)	1661	else if (SvCUR (data) < len + dataoffset)
1231	croak ("length + dataoffset outside of scalar, and cannot grow");	1662	croak ("length + dataoffset outside of scalar, and cannot grow");
1232	}	1663	}
1233		1664
1234	{	1665	{
…		…
1252	REQ_SEND;	1683	REQ_SEND;
1253	}	1684	}
1254	}	1685	}
1255		1686
1256	void	1687	void
		1688	aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
		1689	ALIAS:
		1690	aio_ioctl = EIO_IOCTL
		1691	aio_fcntl = EIO_FCNTL
		1692	PPCODE:
		1693	{
		1694	int fd = s_fileno_croak (fh, 0);
		1695	char *svptr;
		1696
		1697	if (SvPOK (arg) || !SvNIOK (arg))
		1698	{
		1699	STRLEN svlen;
		1700	/* perl uses IOCPARM_LEN for fcntl, so we do, too */
		1701	#ifdef IOCPARM_LEN
		1702	STRLEN need = IOCPARM_LEN (request);
		1703	#else
		1704	STRLEN need = 256;
		1705	#endif
		1706
		1707	if (svlen < need)
		1708	svptr = SvGROW (arg, need);
		1709	}
		1710	else
		1711	svptr = (char *)SvIV (arg);
		1712
		1713	{
		1714	dREQ;
		1715
		1716	req->type = ix;
		1717	req->sv1 = newSVsv (fh);
		1718	req->int1 = fd;
		1719	req->int2 = (long)request;
		1720	req->sv2 = SvREFCNT_inc (arg);
		1721	req->ptr2 = svptr;
		1722
		1723	REQ_SEND;
		1724	}
		1725	}
		1726
		1727	void
1257	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1728	aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1258	ALIAS:	1729	ALIAS:
1259	aio_readlink = EIO_READLINK	1730	aio_readlink = EIO_READLINK
1260	aio_realpath = EIO_REALPATH	1731	aio_realpath = EIO_REALPATH
1261	PPCODE:	1732	PPCODE:
1262	{	1733	{
…		…
1267		1738
1268	REQ_SEND;	1739	REQ_SEND;
1269	}	1740	}
1270		1741
1271	void	1742	void
1272	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1743	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1273	PPCODE:	1744	PPCODE:
1274	{	1745	{
1275	int ifd = s_fileno_croak (in_fh , 0);	1746	int ifd = s_fileno_croak (in_fh , 0);
1276	int ofd = s_fileno_croak (out_fh, 1);	1747	int ofd = s_fileno_croak (out_fh, 1);
1277	dREQ;	1748	dREQ;
1278		1749
1279	req->type = EIO_SENDFILE;	1750	req->type = EIO_SENDFILE;
1280	req->sv1 = newSVsv (out_fh);	1751	req->sv1 = newSVsv (out_fh);
1281	req->int1 = ofd;	1752	req->int1 = ofd;
…		…
1286		1757
1287	REQ_SEND;	1758	REQ_SEND;
1288	}	1759	}
1289		1760
1290	void	1761	void
1291	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1762	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1292	PPCODE:	1763	PPCODE:
1293	{	1764	{
1294	int fd = s_fileno_croak (fh, 0);	1765	int fd = s_fileno_croak (fh, 0);
1295	dREQ;	1766	dREQ;
1296		1767
1297	req->type = EIO_READAHEAD;	1768	req->type = EIO_READAHEAD;
1298	req->sv1 = newSVsv (fh);	1769	req->sv1 = newSVsv (fh);
1299	req->int1 = fd;	1770	req->int1 = fd;
…		…
1302		1773
1303	REQ_SEND;	1774	REQ_SEND;
1304	}	1775	}
1305		1776
1306	void	1777	void
1307	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1778	aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1308	ALIAS:	1779	ALIAS:
1309	aio_stat = EIO_STAT	1780	aio_stat = EIO_STAT
1310	aio_lstat = EIO_LSTAT	1781	aio_lstat = EIO_LSTAT
1311	aio_statvfs = EIO_STATVFS	1782	aio_statvfs = EIO_STATVFS
1312	PPCODE:	1783	PPCODE:
…		…
1315		1786
1316	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);	1787	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1317		1788
1318	REQ_SEND;	1789	REQ_SEND;
1319	}	1790	}
		1791
		1792	void
		1793	st_xtime ()
		1794	ALIAS:
		1795	st_atime = 0x01
		1796	st_mtime = 0x02
		1797	st_ctime = 0x04
		1798	st_btime = 0x08
		1799	st_xtime = 0x0f
		1800	PPCODE:
		1801	EXTEND (SP, 4);
		1802	if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
		1803	if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
		1804	if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
		1805	if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
		1806
		1807	void
		1808	st_xtimensec ()
		1809	ALIAS:
		1810	st_atimensec = 0x01
		1811	st_mtimensec = 0x02
		1812	st_ctimensec = 0x04
		1813	st_btimensec = 0x08
		1814	st_xtimensec = 0x0f
		1815	st_btimesec = 0x10
		1816	st_gen = 0x20
		1817	PPCODE:
		1818	EXTEND (SP, 4);
		1819	if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
		1820	if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
		1821	if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
		1822	if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
		1823	if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
		1824	if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
1320		1825
1321	UV	1826	UV
1322	major (UV dev)	1827	major (UV dev)
1323	ALIAS:	1828	ALIAS:
1324	minor = 1	1829	minor = 1
1325	CODE:	1830	CODE:
1326	RETVAL = ix ? major (dev) : minor (dev);	1831	RETVAL = ix ? minor (dev) : major (dev);
1327	OUTPUT:	1832	OUTPUT:
1328	RETVAL	1833	RETVAL
1329		1834
1330	UV	1835	UV
1331	makedev (UV maj, UV min)	1836	makedev (UV maj, UV min)
…		…
1333	RETVAL = makedev (maj, min);	1838	RETVAL = makedev (maj, min);
1334	OUTPUT:	1839	OUTPUT:
1335	RETVAL	1840	RETVAL
1336		1841
1337	void	1842	void
1338	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1843	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1339	PPCODE:	1844	PPCODE:
1340	{	1845	{
1341	dREQ;	1846	dREQ;
1342		1847
1343	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1848	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
…		…
1346		1851
1347	REQ_SEND;	1852	REQ_SEND;
1348	}	1853	}
1349		1854
1350	void	1855	void
1351	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1856	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1352	PPCODE:	1857	PPCODE:
1353	{	1858	{
1354	dREQ;	1859	dREQ;
1355		1860
1356	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1861	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
…		…
1358		1863
1359	REQ_SEND;	1864	REQ_SEND;
1360	}	1865	}
1361		1866
1362	void	1867	void
1363	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1868	aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1364	PPCODE:	1869	PPCODE:
1365	{	1870	{
1366	dREQ;	1871	dREQ;
1367		1872
1368	req->int2 = mode;	1873	req->int2 = mode;
…		…
1370		1875
1371	REQ_SEND;	1876	REQ_SEND;
1372	}	1877	}
1373		1878
1374	void	1879	void
1375	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef)	1880	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1376	PPCODE:	1881	PPCODE:
1377	{	1882	{
1378	dREQ;	1883	dREQ;
1379		1884
1380	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1885	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
…		…
1383		1888
1384	REQ_SEND;	1889	REQ_SEND;
1385	}	1890	}
1386		1891
1387	void	1892	void
1388	aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)	1893	aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1389	PPCODE:	1894	PPCODE:
1390	{	1895	{
1391	dREQ;	1896	dREQ;
1392		1897
1393	req->type = EIO_READDIR;	1898	req->type = EIO_READDIR;
…		…
1400		1905
1401	REQ_SEND;	1906	REQ_SEND;
1402	}	1907	}
1403		1908
1404	void	1909	void
1405	aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef)	1910	aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1406	PPCODE:	1911	PPCODE:
1407	{	1912	{
1408	dREQ;	1913	dREQ;
1409		1914
1410	req->type = EIO_MKDIR;	1915	req->type = EIO_MKDIR;
…		…
1413		1918
1414	REQ_SEND;	1919	REQ_SEND;
1415	}	1920	}
1416		1921
1417	void	1922	void
1418	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1923	aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1419	ALIAS:	1924	ALIAS:
1420	aio_unlink = EIO_UNLINK	1925	aio_unlink = EIO_UNLINK
1421	aio_rmdir = EIO_RMDIR	1926	aio_rmdir = EIO_RMDIR
1422	aio_readdir = EIO_READDIR	1927	aio_readdir = EIO_READDIR
1423	PPCODE:	1928	PPCODE:
…		…
1429		1934
1430	REQ_SEND;	1935	REQ_SEND;
1431	}	1936	}
1432		1937
1433	void	1938	void
1434	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef)	1939	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1435	ALIAS:	1940	ALIAS:
1436	aio_link = EIO_LINK	1941	aio_link = EIO_LINK
1437	aio_symlink = EIO_SYMLINK	1942	aio_symlink = EIO_SYMLINK
1438	aio_rename = EIO_RENAME	1943	aio_rename = EIO_RENAME
1439	PPCODE:	1944	PPCODE:
…		…
1441	eio_wd wd2 = 0;	1946	eio_wd wd2 = 0;
1442	dREQ;	1947	dREQ;
1443		1948
1444	req->type = ix;	1949	req->type = ix;
1445	req_set_path1 (req, oldpath);	1950	req_set_path1 (req, oldpath);
1446	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);	1951	req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1447	req->int3 = (long)wd2;	1952	req->int3 = (long)wd2;
1448		1953
1449	REQ_SEND;	1954	REQ_SEND;
1450	}	1955	}
1451		1956
1452	void	1957	void
		1958	aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
		1959	PPCODE:
		1960	{
		1961	eio_wd wd2 = 0;
		1962	dREQ;
		1963
		1964	req->type = EIO_RENAME;
		1965	req_set_path1 (req, oldpath);
		1966	req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
		1967	req->int2 = flags;
		1968	req->int3 = (long)wd2;
		1969
		1970	REQ_SEND;
		1971	}
		1972
		1973	void
1453	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef)	1974	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1454	PPCODE:	1975	PPCODE:
1455	{	1976	{
1456	dREQ;	1977	dREQ;
1457		1978
1458	req->type = EIO_MKNOD;	1979	req->type = EIO_MKNOD;
…		…
1462		1983
1463	REQ_SEND;	1984	REQ_SEND;
1464	}	1985	}
1465		1986
1466	void	1987	void
1467	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1988	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1468	ALIAS:	1989	ALIAS:
1469	aio_mtouch = EIO_MTOUCH	1990	aio_mtouch = EIO_MTOUCH
1470	aio_msync = EIO_MSYNC	1991	aio_msync = EIO_MSYNC
1471	PPCODE:	1992	PPCODE:
1472	{	1993	{
1473	STRLEN svlen;	1994	STRLEN svlen;
1474	char *svptr = SvPVbyte (data, svlen);	1995	char *svptr = SvPVbyte (data, svlen);
1475	UV len = SvUV (length);	1996	UV len = SvUV (length);
		1997
		1998	if (flags < 0)
		1999	flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1476		2000
1477	if (offset < 0)	2001	if (offset < 0)
1478	offset += svlen;	2002	offset += svlen;
1479		2003
1480	if (offset < 0 || offset > svlen)	2004	if (offset < 0 || offset > svlen)
…		…
1495	REQ_SEND;	2019	REQ_SEND;
1496	}	2020	}
1497	}	2021	}
1498		2022
1499	void	2023	void
1500	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)	2024	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1501	PPCODE:	2025	PPCODE:
1502	{	2026	{
1503	STRLEN svlen;	2027	STRLEN svlen;
1504	char *svptr = SvPVbyte (data, svlen);	2028	char *svptr = SvPVbyte (data, svlen);
1505	UV len = SvUV (length);	2029	UV len = SvUV (length);
…		…
1524	REQ_SEND;	2048	REQ_SEND;
1525	}	2049	}
1526	}	2050	}
1527		2051
1528	void	2052	void
1529	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)	2053	aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1530	PPCODE:	2054	PPCODE:
1531	{	2055	{
1532	dREQ;	2056	dREQ;
1533		2057
1534	req->type = EIO_MLOCKALL;	2058	req->type = EIO_MLOCKALL;
…		…
1536		2060
1537	REQ_SEND;	2061	REQ_SEND;
1538	}	2062	}
1539		2063
1540	void	2064	void
1541	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback=&PL_sv_undef)	2065	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
1542	PPCODE:	2066	PPCODE:
1543	{	2067	{
1544	int fd = s_fileno_croak (fh, 0);	2068	int fd = s_fileno_croak (fh, 0);
1545	dREQ;	2069	dREQ;
1546		2070
…		…
1559		2083
1560	REQ_SEND;	2084	REQ_SEND;
1561	}	2085	}
1562		2086
1563	void	2087	void
		2088	aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
		2089	PPCODE:
		2090	{
		2091	char *svptr = 0;
		2092
		2093	sv_clear_foreign (data);
		2094
		2095	if (length) /* known length, directly read into scalar */
		2096	{
		2097	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
		2098	svptr = sv_grow (data, length + 1);
		2099	else if (SvCUR (data) < length)
		2100	croak ("length outside of scalar, and cannot grow");
		2101	else
		2102	svptr = SvPVbyte_nolen (data);
		2103	}
		2104
		2105	{
		2106	dREQ;
		2107
		2108	req->type = EIO_SLURP;
		2109	req_set_path1 (req, pathname);
		2110	req->offs = offset;
		2111	req->size = length;
		2112	req->sv2 = SvREFCNT_inc (data);
		2113	req->ptr2 = svptr;
		2114
		2115	if (!SvREADONLY (data))
		2116	{
		2117	SvREADONLY_on (data);
		2118	req->flags |= FLAG_SV2_RO_OFF;
		2119	}
		2120
		2121	REQ_SEND;
		2122	}
		2123	}
		2124
		2125	void
1564	aio_busy (double delay, SV *callback=&PL_sv_undef)	2126	aio_busy (double delay, SV *callback = &PL_sv_undef)
1565	PPCODE:	2127	PPCODE:
1566	{	2128	{
1567	dREQ;	2129	dREQ;
1568		2130
1569	req->type = EIO_BUSY;	2131	req->type = EIO_BUSY;
…		…
1571		2133
1572	REQ_SEND;	2134	REQ_SEND;
1573	}	2135	}
1574		2136
1575	void	2137	void
1576	aio_group (SV *callback=&PL_sv_undef)	2138	aio_group (SV *callback = &PL_sv_undef)
1577	PPCODE:	2139	PPCODE:
1578	{	2140	{
1579	dREQ;	2141	dREQ;
1580		2142
1581	req->type = EIO_GROUP;	2143	req->type = EIO_GROUP;
1582		2144
		2145	PUTBACK;
1583	req_submit (req);	2146	req_submit (req);
		2147	SPAGAIN;
		2148
1584	XPUSHs (req_sv (req, aio_grp_stash));	2149	XPUSHs (req_sv (req, aio_grp_stash));
1585	}	2150	}
1586		2151
1587	void	2152	void
1588	aio_nop (SV *callback=&PL_sv_undef)	2153	aio_nop (SV *callback = &PL_sv_undef)
1589	ALIAS:	2154	ALIAS:
1590	aio_nop = EIO_NOP	2155	aio_nop = EIO_NOP
1591	aio_sync = EIO_SYNC	2156	aio_sync = EIO_SYNC
1592	PPCODE:	2157	PPCODE:
1593	{	2158	{
…		…
1597		2162
1598	REQ_SEND;	2163	REQ_SEND;
1599	}	2164	}
1600		2165
1601	int	2166	int
1602	aioreq_pri (int pri = 0)	2167	aioreq_pri (int pri = NO_INIT)
1603	CODE:	2168	CODE:
1604	RETVAL = next_pri;	2169	RETVAL = next_pri;
1605	if (items > 0)	2170	if (items > 0)
1606	{	2171	{
1607	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	2172	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1697	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	2262	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1698	OUTPUT:	2263	OUTPUT:
1699	RETVAL	2264	RETVAL
1700		2265
1701	void	2266	void
1702	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)	2267	mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1703	PPCODE:	2268	PPCODE:
1704	sv_unmagic (scalar, MMAP_MAGIC);	2269	sv_clear_foreign (scalar);
1705	{	2270	{
1706	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	2271	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1707	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	2272	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1708	if (addr == (void *)-1)	2273	if (addr == (void *)-1)
1709	XSRETURN_NO;	2274	XSRETURN_NO;
1710		2275
1711	sv_force_normal (scalar);	2276	sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1712
1713	/* we store the length in mg_obj, as namlen is I32 :/ */
1714	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1715	->mg_obj = (SV *)length;
1716
1717	SvUPGRADE (scalar, SVt_PV); /* nop... */
1718		2277
1719	if (!(prot & PROT_WRITE))	2278	if (!(prot & PROT_WRITE))
1720	SvREADONLY_on (scalar);	2279	SvREADONLY_on (scalar);
1721		2280
1722	if (SvLEN (scalar))
1723	Safefree (SvPVX (scalar));
1724
1725	SvPVX (scalar) = (char *)addr;
1726	SvCUR_set (scalar, length);
1727	SvLEN_set (scalar, 0);
1728	SvPOK_only (scalar);
1729
1730	XSRETURN_YES;	2281	XSRETURN_YES;
1731	}	2282	}
1732		2283
1733	void	2284	void
1734	munmap (SV *scalar)	2285	munmap (SV *scalar)
1735	CODE:	2286	CODE:
1736	sv_unmagic (scalar, MMAP_MAGIC);	2287	sv_clear_foreign (scalar);
		2288
		2289	SV *
		2290	mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
		2291	CODE:
		2292	{
		2293	MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
		2294	void *new;
		2295
		2296	if (!mg || SvPVX (scalar) != mg->mg_ptr)
		2297	croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
		2298
		2299	new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
		2300
		2301	RETVAL = &PL_sv_no;
		2302
		2303	if (new != (void *)-1)
		2304	{
		2305	RETVAL = new == (void *)mg->mg_ptr
		2306	? newSVpvn ("0 but true", 10)
		2307	: &PL_sv_yes;
		2308
		2309	mg->mg_ptr = (char *)new;
		2310	mg->mg_obj = (SV *)new_length;
		2311
		2312	SvPVX (scalar) = mg->mg_ptr;
		2313	SvCUR_set (scalar, new_length);
		2314	}
		2315	}
		2316	OUTPUT:
		2317	RETVAL
1737		2318
1738	int	2319	int
1739	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)	2320	madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1740	ALIAS:	2321	ALIAS:
1741	mprotect = 1	2322	mprotect = 1
1742	CODE:	2323	CODE:
1743	{	2324	{
1744	STRLEN svlen;	2325	STRLEN svlen;
1745	void *addr = SvPVbyte (scalar, svlen);	2326	void *addr = SvPVbyte (scalar, svlen);
1746	size_t len = SvUV (length);	2327	STRLEN len = SvUV (length);
1747		2328
1748	if (offset < 0)	2329	if (offset < 0)
1749	offset += svlen;	2330	offset += svlen;
1750		2331
1751	if (offset < 0 || offset > svlen)	2332	if (offset < 0 || offset > svlen)
…		…
1765	}	2346	}
1766	OUTPUT:	2347	OUTPUT:
1767	RETVAL	2348	RETVAL
1768		2349
1769	int	2350	int
1770	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)	2351	munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
1771	CODE:	2352	CODE:
1772	{	2353	{
1773	STRLEN svlen;	2354	STRLEN svlen;
1774	void *addr = SvPVbyte (scalar, svlen);	2355	void *addr = SvPVbyte (scalar, svlen);
1775	size_t len = SvUV (length);	2356	size_t len = SvUV (length);
1776		2357
1777	if (offset < 0)	2358	if (offset < 0)
1778	offset += svlen;	2359	offset += svlen;
1779		2360
…		…
1790	#else	2371	#else
1791	RETVAL = EIO_ENOSYS ();	2372	RETVAL = EIO_ENOSYS ();
1792	#endif	2373	#endif
1793	}	2374	}
1794	OUTPUT:	2375	OUTPUT:
		2376	RETVAL
		2377
		2378	int
		2379	mlockall (int flags)
		2380	PROTOTYPE: $;
		2381	CODE:
		2382	RETVAL = eio_mlockall_sync (flags);
		2383	OUTPUT:
1795	RETVAL	2384	RETVAL
1796		2385
1797	int	2386	int
1798	munlockall ()	2387	munlockall ()
1799	CODE:	2388	CODE:
…		…
1804	#endif	2393	#endif
1805	OUTPUT:	2394	OUTPUT:
1806	RETVAL	2395	RETVAL
1807		2396
1808	int	2397	int
		2398	statx (SV8 *pathname, int flags, UV mask)
		2399	CODE:
		2400	{
		2401	/* undocumented, and might go away, and anyway, should use eio_statx */
		2402	SV *wdsv = 0;
		2403	SV *pathsv = 0;
		2404	eio_wd wd = EIO_CWD;
		2405	void *ptr;
		2406	int res;
		2407
		2408	req_set_path (pathname, &wdsv, &pathsv, &wd, &ptr);
		2409	RETVAL = eio__statx (!wd || wd->fd == EIO_CWD ? AT_FDCWD : wd->fd, ptr, flags, mask & STATX_ALL, &stx);
		2410
		2411	SvREFCNT_dec (pathsv);
		2412	SvREFCNT_dec (wdsv);
		2413	}
		2414	OUTPUT:
		2415	RETVAL
		2416
		2417	U32
		2418	stx_mode ()
		2419	PROTOTYPE:
		2420	CODE:
		2421	#if HAVE_STATX
		2422	RETVAL = stx.stx_mode;
		2423	#else
		2424	XSRETURN_UNDEF;
		2425	#endif
		2426	OUTPUT:
		2427	RETVAL
		2428
		2429	#define STATX_OFFSET_mask statx_offsetof (stx_mask)
		2430	#define STATX_OFFSET_blksize statx_offsetof (stx_blksize)
		2431	#define STATX_OFFSET_nlink statx_offsetof (stx_nlink)
		2432	#define STATX_OFFSET_uid statx_offsetof (stx_uid)
		2433	#define STATX_OFFSET_gid statx_offsetof (stx_gid)
		2434	#define STATX_OFFSET_rdev_major statx_offsetof (stx_rdev_major)
		2435	#define STATX_OFFSET_rdev_minor statx_offsetof (stx_rdev_minor)
		2436	#define STATX_OFFSET_dev_major statx_offsetof (stx_dev_major)
		2437	#define STATX_OFFSET_dev_minor statx_offsetof (stx_dev_minor)
		2438	#define STATX_OFFSET_attributes statx_offsetof (stx_attributes)
		2439	#define STATX_OFFSET_ino statx_offsetof (stx_ino)
		2440	#define STATX_OFFSET_size statx_offsetof (stx_size)
		2441	#define STATX_OFFSET_blocks statx_offsetof (stx_blocks)
		2442	#define STATX_OFFSET_attributes_mask statx_offsetof (stx_attributes_mask)
		2443	#define STATX_OFFSET_atime statx_offsetof (stx_atime)
		2444	#define STATX_OFFSET_btime statx_offsetof (stx_btime)
		2445	#define STATX_OFFSET_ctime statx_offsetof (stx_ctime)
		2446	#define STATX_OFFSET_mtime statx_offsetof (stx_mtime)
		2447
		2448	U32
		2449	stx_mask ()
		2450	PROTOTYPE:
		2451	ALIAS:
		2452	stx_mask = STATX_OFFSET_mask
		2453	stx_blksize = STATX_OFFSET_blksize
		2454	stx_nlink = STATX_OFFSET_nlink
		2455	stx_uid = STATX_OFFSET_uid
		2456	stx_gid = STATX_OFFSET_gid
		2457	stx_rdev_major = STATX_OFFSET_rdev_major
		2458	stx_rdev_minor = STATX_OFFSET_rdev_minor
		2459	stx_dev_major = STATX_OFFSET_dev_major
		2460	stx_dev_minor = STATX_OFFSET_dev_minor
		2461	CODE:
		2462	#if HAVE_STATX
		2463	RETVAL = *(__u32 *)((char *)&stx + ix);
		2464	#else
		2465	XSRETURN_UNDEF;
		2466	#endif
		2467	OUTPUT:
		2468	RETVAL
		2469
		2470	VAL64
		2471	stx_attributes ()
		2472	PROTOTYPE:
		2473	ALIAS:
		2474	stx_attributes = STATX_OFFSET_attributes
		2475	stx_ino = STATX_OFFSET_ino
		2476	stx_size = STATX_OFFSET_size
		2477	stx_blocks = STATX_OFFSET_blocks
		2478	stx_attributes_mask = STATX_OFFSET_attributes_mask
		2479	CODE:
		2480	#if HAVE_STATX
		2481	RETVAL = *(__u64 *)((char *)&stx + ix);
		2482	#else
		2483	XSRETURN_UNDEF;
		2484	#endif
		2485	OUTPUT:
		2486	RETVAL
		2487
		2488	NV
		2489	stx_atime ()
		2490	PROTOTYPE:
		2491	ALIAS:
		2492	stx_atime = STATX_OFFSET_atime
		2493	stx_btime = STATX_OFFSET_btime
		2494	stx_ctime = STATX_OFFSET_ctime
		2495	stx_mtime = STATX_OFFSET_mtime
		2496	CODE:
		2497	#if HAVE_STATX
		2498	struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
		2499	RETVAL = ts->tv_sec + ts->tv_nsec * 1e-9;
		2500	#else
		2501	XSRETURN_UNDEF;
		2502	#endif
		2503	OUTPUT:
		2504	RETVAL
		2505
		2506	VAL64
		2507	stx_atimesec ()
		2508	PROTOTYPE:
		2509	ALIAS:
		2510	stx_atimesec = STATX_OFFSET_atime
		2511	stx_btimesec = STATX_OFFSET_btime
		2512	stx_ctimesec = STATX_OFFSET_ctime
		2513	stx_mtimesec = STATX_OFFSET_mtime
		2514	CODE:
		2515	#if HAVE_STATX
		2516	struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
		2517	RETVAL = ts->tv_sec;
		2518	#else
		2519	XSRETURN_UNDEF;
		2520	#endif
		2521	OUTPUT:
		2522	RETVAL
		2523
		2524	U32
		2525	stx_atimensec ()
		2526	PROTOTYPE:
		2527	ALIAS:
		2528	stx_atimensec = STATX_OFFSET_atime
		2529	stx_btimensec = STATX_OFFSET_btime
		2530	stx_ctimensec = STATX_OFFSET_ctime
		2531	stx_mtimensec = STATX_OFFSET_mtime
		2532	CODE:
		2533	#if HAVE_STATX
		2534	struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
		2535	RETVAL = ts->tv_nsec;
		2536	#else
		2537	RETVAL = 0;
		2538	#endif
		2539	OUTPUT:
		2540	RETVAL
		2541
		2542	void
		2543	accept4 (aio_rfd rfh, SV *sockaddr, int salen, int flags)
		2544	PPCODE:
		2545	{
		2546	SV *retval;
		2547	#if HAVE_ACCEPT4
		2548	socklen_t salen_ = salen ? salen + 1 : 0;
		2549
		2550	if (salen)
		2551	{
		2552	sv_upgrade (sockaddr, SVt_PV);
		2553	sv_grow (sockaddr, salen_);
		2554	}
		2555
		2556	int res = accept4 (rfh, salen ? (struct sockaddr *)SvPVX (sockaddr) : 0, salen ? &salen_ : 0, flags);
		2557
		2558	retval = newmortalFH (res, O_RDWR);
		2559
		2560	if (res >= 0 && salen > 0)
		2561	{
		2562	if (salen_ > salen + 1)
		2563	salen_ = salen + 1;
		2564
		2565	SvPOK_only (sockaddr);
		2566	SvCUR_set (sockaddr, salen_);
		2567	}
		2568	#else
		2569	errno = ENOSYS;
		2570	retval = &PL_sv_undef;
		2571	#endif
		2572	XPUSHs (retval);
		2573	}
		2574
		2575	ssize_t
1809	splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)	2576	splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
1810	CODE:	2577	CODE:
1811	{	2578	{
1812	#if HAVE_LINUX_SPLICE	2579	#if HAVE_LINUX_SPLICE
1813	loff_t off_in_, off_out_;	2580	loff_t off_in_, off_out_;
…		…
1821	#endif	2588	#endif
1822	}	2589	}
1823	OUTPUT:	2590	OUTPUT:
1824	RETVAL	2591	RETVAL
1825		2592
1826	int	2593	ssize_t
1827	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)	2594	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
1828	CODE:	2595	CODE:
1829	#if HAVE_LINUX_SPLICE	2596	#if HAVE_LINUX_SPLICE
1830	RETVAL = tee (rfh, wfh, length, flags);	2597	RETVAL = tee (rfh, wfh, length, flags);
1831	#else	2598	#else
1832	RETVAL = EIO_ENOSYS ();	2599	RETVAL = EIO_ENOSYS ();
1833	#endif	2600	#endif
1834	OUTPUT:	2601	OUTPUT:
1835	RETVAL	2602	RETVAL
		2603
		2604	int
		2605	pipesize (aio_rfd rfh, int new_size = -1)
		2606	PROTOTYPE: $;$
		2607	CODE:
		2608	#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
		2609	if (new_size >= 0)
		2610	RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
		2611	else
		2612	RETVAL = fcntl (rfh, F_GETPIPE_SZ);
		2613	#else
		2614	errno = ENOSYS;
		2615	RETVAL = -1;
		2616	#endif
		2617	OUTPUT:
		2618	RETVAL
		2619
		2620	void
		2621	pipe2 (int flags = 0)
		2622	PROTOTYPE: ;$
		2623	PPCODE:
		2624	{
		2625	int fd[2];
		2626	int res;
		2627
		2628	if (flags)
		2629	#if HAVE_PIPE2
		2630	res = pipe2 (fd, flags);
		2631	#else
		2632	res = (errno = ENOSYS, -1);
		2633	#endif
		2634	else
		2635	res = pipe (fd);
		2636
		2637	if (!res)
		2638	{
		2639	EXTEND (SP, 2);
		2640	PUSHs (newmortalFH (fd[0], O_RDONLY));
		2641	PUSHs (newmortalFH (fd[1], O_WRONLY));
		2642	}
		2643	}
		2644
		2645	void
		2646	pidfd_open (int pid, unsigned int flags = 0)
		2647	PPCODE:
		2648	{
		2649	/*GENDEF0_SYSCALL(pidfd_open,434)*/
		2650	int fd = syscall (SYS_pidfd_open, pid, flags);
		2651	XPUSHs (newmortalFH (fd, O_RDWR));
		2652	}
		2653
		2654	int
		2655	pidfd_send_signal (SV *pidfh, int sig, SV *siginfo = &PL_sv_undef, unsigned int flags = 0)
		2656	PPCODE:
		2657	{
		2658	int res;
		2659	siginfo_t si = { 0 };
		2660
		2661	if (SvOK (siginfo))
		2662	{
		2663	HV *hv;
		2664	SV **svp;
		2665
		2666	if (!SvROK (siginfo) || SvTYPE (SvRV (siginfo)) != SVt_PVHV)
		2667	croak ("siginfo argument must be a hashref code, pid, uid and value_int or value_ptr members, caught");
		2668
		2669	hv = (HV *)SvRV (siginfo);
		2670
		2671	if ((svp = hv_fetchs (hv, "code" , 0))) si.si_code = SvIV (*svp);
		2672	if ((svp = hv_fetchs (hv, "pid" , 0))) si.si_pid = SvIV (*svp);
		2673	if ((svp = hv_fetchs (hv, "uid" , 0))) si.si_uid = SvIV (*svp);
		2674	if ((svp = hv_fetchs (hv, "value_int", 0))) si.si_value.sival_int = SvIV (*svp);
		2675	if ((svp = hv_fetchs (hv, "value_ptr", 0))) si.si_value.sival_ptr = (void *)SvIV (*svp);
		2676	}
		2677
		2678	/*GENDEF0_SYSCALL(pidfd_send_signal,424)*/
		2679	res = syscall (SYS_pidfd_send_signal, s_fileno_croak (pidfh, 0), sig, SvOK (siginfo) ? &si : 0, flags);
		2680
		2681	XPUSHs (sv_2mortal (newSViv (res)));
		2682	}
		2683
		2684	void
		2685	pidfd_getfd (SV *pidfh, int targetfd, unsigned int flags = 0)
		2686	PPCODE:
		2687	{
		2688	/*GENDEF0_SYSCALL(pidfd_getfd,438)*/
		2689	int fd = syscall (SYS_pidfd_getfd, s_fileno_croak (pidfh, 0), targetfd, flags);
		2690	XPUSHs (newmortalFH (fd, O_RDWR));
		2691	}
		2692
		2693	void
		2694	eventfd (unsigned int initval = 0, int flags = 0)
		2695	PPCODE:
		2696	{
		2697	int fd;
		2698	#if HAVE_EVENTFD
		2699	fd = eventfd (initval, flags);
		2700	#else
		2701	fd = (errno = ENOSYS, -1);
		2702	#endif
		2703
		2704	XPUSHs (newmortalFH (fd, O_RDWR));
		2705	}
		2706
		2707	void
		2708	timerfd_create (int clockid, int flags = 0)
		2709	PPCODE:
		2710	{
		2711	int fd;
		2712	#if HAVE_TIMERFD
		2713	fd = timerfd_create (clockid, flags);
		2714	#else
		2715	fd = (errno = ENOSYS, -1);
		2716	#endif
		2717
		2718	XPUSHs (newmortalFH (fd, O_RDWR));
		2719	}
		2720
		2721	void
		2722	timerfd_settime (SV *fh, int flags, NV interval, NV value)
		2723	PPCODE:
		2724	{
		2725	int fd = s_fileno_croak (fh, 0);
		2726	#if HAVE_TIMERFD
		2727	int res;
		2728	struct itimerspec its, ots;
		2729
		2730	ts_set (&its.it_interval, interval);
		2731	ts_set (&its.it_value , value);
		2732	res = timerfd_settime (fd, flags, &its, &ots);
		2733
		2734	if (!res)
		2735	{
		2736	EXTEND (SP, 2);
		2737	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2738	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2739	}
		2740	#else
		2741	errno = ENOSYS;
		2742	#endif
		2743	}
		2744
		2745	void
		2746	timerfd_gettime (SV *fh)
		2747	PPCODE:
		2748	{
		2749	int fd = s_fileno_croak (fh, 0);
		2750	#if HAVE_TIMERFD
		2751	int res;
		2752	struct itimerspec ots;
		2753	res = timerfd_gettime (fd, &ots);
		2754
		2755	if (!res)
		2756	{
		2757	EXTEND (SP, 2);
		2758	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2759	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2760	}
		2761	#else
		2762	errno = ENOSYS;
		2763	#endif
		2764	}
		2765
		2766	void
		2767	memfd_create (SV8 *pathname, int flags = 0)
		2768	PPCODE:
		2769	{
		2770	int fd;
		2771	#if HAVE_MEMFD_CREATE
		2772	fd = memfd_create (SvPVbyte_nolen (pathname), flags);
		2773	#else
		2774	fd = (errno = ENOSYS, -1);
		2775	#endif
		2776
		2777	XPUSHs (newmortalFH (fd, O_RDWR));
		2778	}
		2779
		2780	UV
		2781	get_fdlimit ()
		2782	CODE:
		2783	#if HAVE_RLIMITS
		2784	struct rlimit rl;
		2785	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2786	XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
		2787	#endif
		2788	XSRETURN_UNDEF;
		2789	OUTPUT:
		2790	RETVAL
		2791
		2792	void
		2793	min_fdlimit (UV limit = 0x7fffffffU)
		2794	CODE:
		2795	{
		2796	#if HAVE_RLIMITS
		2797	struct rlimit rl;
		2798	rlim_t orig_rlim_max;
		2799	UV bit;
		2800
		2801	if (0 != getrlimit (RLIMIT_NOFILE, &rl))
		2802	goto fail;
		2803
		2804	if (rl.rlim_cur == RLIM_INFINITY)
		2805	XSRETURN_YES;
		2806
		2807	orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
		2808
		2809	if (rl.rlim_cur < limit)
		2810	{
		2811	rl.rlim_cur = limit;
		2812
		2813	if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
		2814	rl.rlim_max = rl.rlim_cur;
		2815	}
		2816
		2817	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2818	XSRETURN_YES;
		2819
		2820	if (errno == EPERM)
		2821	{
		2822	/* setrlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
		2823	/* our limit overflows a system-wide limit */
		2824	/* try an adaptive algorithm, but do not lower the hardlimit */
		2825	rl.rlim_max = 0;
		2826	for (bit = 0x40000000U; bit; bit >>= 1)
		2827	{
		2828	rl.rlim_max |= bit;
		2829	rl.rlim_cur = rl.rlim_max;
		2830
		2831	/* never decrease the hard limit */
		2832	if (rl.rlim_max < orig_rlim_max)
		2833	break;
		2834
		2835	if (0 != setrlimit (RLIMIT_NOFILE, &rl))
		2836	rl.rlim_max &= ~bit; /* too high, remove bit again */
		2837	}
		2838
		2839	/* now, raise the soft limit to the max permitted */
		2840	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2841	{
		2842	rl.rlim_cur = rl.rlim_max;
		2843	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2844	errno = EPERM;
		2845	}
		2846	}
		2847	#endif
		2848	fail:
		2849	XSRETURN_UNDEF;
		2850	}
1836		2851
1837	void _on_next_submit (SV *cb)	2852	void _on_next_submit (SV *cb)
1838	CODE:	2853	CODE:
1839	SvREFCNT_dec (on_next_submit);	2854	SvREFCNT_dec (on_next_submit);
1840	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	2855	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
…		…
1875	cancel (aio_req_ornot req)	2890	cancel (aio_req_ornot req)
1876	CODE:	2891	CODE:
1877	eio_cancel (req);	2892	eio_cancel (req);
1878		2893
1879	void	2894	void
1880	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	2895	cb (aio_req_ornot req, SV *callback = NO_INIT)
1881	PPCODE:	2896	PPCODE:
1882	{	2897	{
1883	if (GIMME_V != G_VOID)	2898	if (GIMME_V != G_VOID)
1884	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	2899	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1885		2900
1886	if (items > 1)	2901	if (items > 1)
1887	{	2902	{
1888	SV *cb_cv =get_cb (callback);	2903	SV *cb_cv = get_cb (callback);
1889		2904
1890	SvREFCNT_dec (req->callback);	2905	SvREFCNT_dec (req->callback);
1891	req->callback = SvREFCNT_inc (cb_cv);	2906	req->callback = SvREFCNT_inc (cb_cv);
1892	}	2907	}
1893	}	2908	}
…		…
1950	limit (aio_req grp, int limit)	2965	limit (aio_req grp, int limit)
1951	CODE:	2966	CODE:
1952	eio_grp_limit (grp, limit);	2967	eio_grp_limit (grp, limit);
1953		2968
1954	void	2969	void
1955	feed (aio_req grp, SV *callback=&PL_sv_undef)	2970	feed (aio_req grp, SV *callback = &PL_sv_undef)
1956	CODE:	2971	CODE:
1957	{	2972	{
1958	SvREFCNT_dec (grp->sv2);	2973	SvREFCNT_dec (grp->sv2);
1959	grp->sv2 = newSVsv (callback);	2974	grp->sv2 = newSVsv (callback);
1960	grp->feed = aio_grp_feed;	2975	grp->feed = aio_grp_feed;

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