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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.225 by root, Sat Dec 29 09:35:39 2012 UTC vs.
Revision 1.288 by root, Tue Dec 29 18:00:40 2020 UTC

…		…
3	#include <errno.h>	3	#include <errno.h>
4		4
5	#include "EXTERN.h"	5	#include "EXTERN.h"
6	#include "perl.h"	6	#include "perl.h"
7	#include "XSUB.h"	7	#include "XSUB.h"
		8	#include "perliol.h"
8		9
9	#include "schmorp.h"	10	#if !defined mg_findext
		11	# define mg_findext(sv,type,vtbl) mg_find (sv, type)
		12	#endif
10		13
11	#include <stddef.h>	14	#include <stddef.h>
12	#include <stdlib.h>	15	#include <stdlib.h>
13	#include <errno.h>	16	#include <errno.h>
14	#include <sys/types.h>	17	#include <sys/types.h>
		18	#include <sys/socket.h>
15	#include <sys/stat.h>	19	#include <sys/stat.h>
16	#include <limits.h>	20	#include <limits.h>
17	#include <fcntl.h>	21	#include <fcntl.h>
18	#include <sched.h>	22	#include <sched.h>
19		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
		225	# undef PAGESIZE
		226	#endif
		227
158	#if PAGESIZE <= 0	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)
…		…
173	int count = req->int3;	351	int count = req->int3;
174		352
175	req->flags |= EIO_FLAG_PTR1_FREE;	353	req->flags |= EIO_FLAG_PTR1_FREE;
176		354
177	/* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */	355	/* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
178	/* increase in 3.5kb steps */	356	/* increase in fixed steps */
179	if (count < 0)	357	if (count < 0)
180	count = 8;	358	count = 8;
181		359
182	fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);	360	fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
183	errno = ENOMEM;	361	errno = ENOMEM;
…		…
198	|| !fiemap->fm_mapped_extents /* no more extents */	376	|| !fiemap->fm_mapped_extents /* no more extents */
199	|| fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)	377	|| fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
200	goto done;	378	goto done;
201		379
202	/* else we have to loop -	380	/* else we have to loop -
203	* it would be tempting (atcually I tried that first) to just query the	381	* it would be tempting (actually I tried that first) to just query the
204	* number of extents needed, but linux often feels like not returning all	382	* number of extents needed, but linux often feels like not returning all
205	* extents, without telling us it left any out. this complicates	383	* extents, without telling us it left any out. this complicates
206	* this quite a bit.	384	* this quite a bit.
207	*/	385	*/
208		386
…		…
221	incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);	399	incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
222		400
223	if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)	401	if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
224	return;	402	return;
225		403
		404	if (!incmap->fm_mapped_extents)
		405	goto done;
		406
226	count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;	407	count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
227	fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);	408	fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
228	errno = ENOMEM;	409	errno = ENOMEM;
229	if (!fiemap)	410	if (!fiemap)
230	return;	411	return;
…		…
233		414
234	for (count = 0; count < incmap->fm_mapped_extents; ++count)	415	for (count = 0; count < incmap->fm_mapped_extents; ++count)
235	{	416	{
236	struct fiemap_extent *e = incmap->fm_extents + count;	417	struct fiemap_extent *e = incmap->fm_extents + count;
237		418
		419	fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
		420
238	if (e->fe_logical + e->fe_length >= end_offset)	421	if (e->fe_logical >= end_offset)
239	goto done;	422	goto done;
240
241	fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
242		423
243	if (e->fe_flags & FIEMAP_EXTENT_LAST)	424	if (e->fe_flags & FIEMAP_EXTENT_LAST)
244	goto done;	425	goto done;
245		426
246	}	427	}
…		…
253	errno = ENOSYS;	434	errno = ENOSYS;
254	#endif	435	#endif
255	}	436	}
256		437
257	/*****************************************************************************/	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
258		450
259	enum {	451	enum {
260	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	452	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
261	};	453	};
262		454
…		…
286	/* read any signals sent by the worker threads */	478	/* read any signals sent by the worker threads */
287	s_epipe_drain (&respipe);	479	s_epipe_drain (&respipe);
288	}	480	}
289		481
290	/* must be called at most once */	482	/* must be called at most once */
		483	ecb_noinline
291	static SV *	484	static SV *
292	req_sv (aio_req req, HV *stash)	485	req_sv (aio_req req, HV *stash)
293	{	486	{
294	if (!req->self)	487	if (!req->self)
295	{	488	{
…		…
301	}	494	}
302		495
303	static SV *	496	static SV *
304	newSVaio_wd (aio_wd wd)	497	newSVaio_wd (aio_wd wd)
305	{	498	{
306	return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash);	499	return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
307	}	500	}
308		501
		502	ecb_noinline
309	static aio_req	503	static aio_req
310	SvAIO_REQ (SV *sv)	504	SvAIO_REQ (SV *sv)
311	{	505	{
312	MAGIC *mg;	506	MAGIC *mg;
313		507
…		…
330	|| SvTYPE (SvRV (sv)) != SVt_PVMG	524	|| SvTYPE (SvRV (sv)) != SVt_PVMG
331	|| SvSTASH (SvRV (sv)) != aio_wd_stash)	525	|| SvSTASH (SvRV (sv)) != aio_wd_stash)
332	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");
333		527
334	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;
335	}	554	}
336		555
337	static void	556	static void
338	aio_grp_feed (aio_req grp)	557	aio_grp_feed (aio_req grp)
339	{	558	{
…		…
351	FREETMPS;	570	FREETMPS;
352	LEAVE;	571	LEAVE;
353	}	572	}
354	}	573	}
355		574
		575	ecb_noinline
356	static void	576	static void
357	req_submit (eio_req *req)	577	req_submit (eio_req *req)
358	{	578	{
359	eio_submit (req);	579	eio_submit (req);
360		580
…		…
467	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))));
468	}	688	}
469	break;	689	break;
470		690
471	case EIO_OPEN:	691	case EIO_OPEN:
472	{	692	PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
473	/* convert fd to fh */
474	SV *fh = &PL_sv_undef;
475
476	if (req->result >= 0)
477	{
478	GV *gv = (GV *)sv_newmortal ();
479	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
480	char sym [64];
481	int symlen;
482
483	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
484	gv_init (gv, aio_stash, sym, symlen, 0);
485
486	symlen = snprintf (
487	sym,
488	sizeof (sym),
489	"%s&=%d",
490	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
491	(int)req->result
492	);
493
494	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
495	fh = (SV *)gv;
496	}
497
498	PUSHs (fh);
499	}
500	break;	693	break;
501		694
502	case EIO_STATVFS:	695	case EIO_STATVFS:
503	case EIO_FSTATVFS:	696	case EIO_FSTATVFS:
504	{	697	{
…		…
584	SvSETMAGIC (req->sv2);	777	SvSETMAGIC (req->sv2);
585	PUSHs (sv_result);	778	PUSHs (sv_result);
586	}	779	}
587	break;	780	break;
588		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
589	case EIO_CUSTOM:	806	case EIO_CUSTOM:
590	if (req->feed == fiemap)	807	if (req->feed == fiemap)
591	{	808	{
592	#if HAVE_FIEMAP	809	#if HAVE_FIEMAP
593	if (!req->result)	810	if (!req->result)
…		…
624	}	841	}
625	else	842	else
626	PUSHs (sv_result);	843	PUSHs (sv_result);
627	break;	844	break;
628		845
		846	#if 0
		847	case EIO_CLOSE:
		848	PerlIOUnix_refcnt_dec (req->int1);
		849	break;
		850	#endif
		851
629	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 */
630	if (req->result > 0)	853	if (req->result > 0)
631	SvIV_set (sv_result, 0);	854	SvIV_set (sv_result, 0);
632	/* FALLTHROUGH */	855	/* FALLTHROUGH */
633		856
…		…
684	grp->sv2 = 0;	907	grp->sv2 = 0;
685		908
686	eio_grp_cancel (grp);	909	eio_grp_cancel (grp);
687	}	910	}
688		911
689	static void ecb_cold	912	ecb_cold
		913	static void
690	create_respipe (void)	914	create_respipe (void)
691	{	915	{
692	if (s_epipe_renew (&respipe))	916	if (s_epipe_renew (&respipe))
693	croak ("IO::AIO: unable to initialize result pipe");	917	croak ("IO::AIO: unable to initialize result pipe");
694	}	918	}
…		…
698	{	922	{
699	while (eio_nreqs ())	923	while (eio_nreqs ())
700	{	924	{
701	int size;	925	int size;
702		926
703	X_LOCK (reslock);	927	X_LOCK (EIO_POOL->reslock);
704	size = res_queue.size;	928	size = EIO_POOL->res_queue.size;
705	X_UNLOCK (reslock);	929	X_UNLOCK (EIO_POOL->reslock);
706		930
707	if (size)	931	if (size)
708	return;	932	return;
709		933
710	etp_maybe_start_thread ();	934	etp_maybe_start_thread (EIO_POOL);
711		935
712	s_epipe_wait (&respipe);	936	s_epipe_wait (&respipe);
713	}	937	}
714	}	938	}
715		939
…		…
728		952
729	poll_wait ();	953	poll_wait ();
730	}	954	}
731	}	955	}
732		956
733	static void ecb_cold	957	ecb_cold
		958	static void
734	reinit (void)	959	reinit (void)
735	{	960	{
736	create_respipe ();	961	create_respipe ();
737		962
738	if (eio_init (want_poll, done_poll) < 0)	963	if (eio_init (want_poll, done_poll) < 0)
739	croak ("IO::AIO: unable to initialise eio library");	964	croak ("IO::AIO: unable to initialise eio library");
740	}	965	}
741		966
742	/*****************************************************************************/	967	/*****************************************************************************/
743		968
744	#if !_POSIX_MAPPED_FILES
745	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
746	# define munmap(addr,length) EIO_ENOSYS ()
747	#endif
748
749	#if !_POSIX_MEMORY_PROTECTION
750	# define mprotect(addr,len,prot) EIO_ENOSYS ()
751	# define PROT_NONE 0
752	# define PROT_WRITE 0
753	# define MAP_PRIVATE 0
754	# define MAP_SHARED 0
755	# define MAP_FIXED 0
756	#endif
757
758	#define MMAP_MAGIC PERL_MAGIC_ext
759
760	static int ecb_cold
761	mmap_free (pTHX_ SV *sv, MAGIC *mg)
762	{
763	int old_errno = errno;
764	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
765	errno = old_errno;
766
767	mg->mg_obj = 0; /* just in case */
768
769	SvREADONLY_off (sv);
770
771	if (SvPVX (sv) != mg->mg_ptr)
772	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
773
774	SvCUR_set (sv, 0);
775	SvPVX (sv) = 0;
776	SvOK_off (sv);
777
778	return 0;
779	}
780
781	static MGVTBL mmap_vtbl = {
782	0, 0, 0, 0, mmap_free
783	};
784
785	/*****************************************************************************/
786
787	static SV *	969	static SV *
788	get_cb (SV *cb_sv)	970	get_cb (SV *cb_sv)
789	{	971	{
790	SvGETMAGIC (cb_sv);	972	SvGETMAGIC (cb_sv);
791	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	973	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
792	}	974	}
793		975
		976	ecb_noinline
794	static aio_req ecb_noinline	977	static aio_req ecb_noinline
795	dreq (SV *callback)	978	dreq (SV *callback)
796	{	979	{
797	SV *cb_cv;	980	SV *cb_cv;
798	aio_req req;	981	aio_req req;
…		…
820	SPAGAIN; \	1003	SPAGAIN; \
821	\	1004	\
822	if (GIMME_V != G_VOID) \	1005	if (GIMME_V != G_VOID) \
823	XPUSHs (req_sv (req, aio_req_stash));	1006	XPUSHs (req_sv (req, aio_req_stash));
824		1007
		1008	/* *wdsv, *pathsv, *wd and *ptr must be 0-initialized */
825	ecb_inline void	1009	ecb_inline
		1010	void
826	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)
827	{	1012	{
828	if (expect_false (SvROK (path)))	1013	if (expect_false (SvROK (path)))
829	{	1014	{
830	SV *rv = SvRV (path);	1015	SV *rv = SvRV (path);
831	SV *wdob;	1016	SV *wdob;
…		…
856		1041
857	*pathsv = newSVsv (path);	1042	*pathsv = newSVsv (path);
858	*ptr = SvPVbyte_nolen (*pathsv);	1043	*ptr = SvPVbyte_nolen (*pathsv);
859	}	1044	}
860		1045
861	static void ecb_noinline	1046	ecb_noinline
		1047	static void
862	req_set_path1 (aio_req req, SV *path)	1048	req_set_path1 (aio_req req, SV *path)
863	{	1049	{
864	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);
865	}	1051	}
866		1052
867	static void ecb_noinline	1053	ecb_noinline
		1054	static void
868	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)
869	{	1056	{
870	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;
871		1058
872	switch (SvTYPE (rv))	1059	switch (SvTYPE (rv))
…		…
884	req_set_path1 (req, fh_or_path);	1071	req_set_path1 (req, fh_or_path);
885	break;	1072	break;
886	}	1073	}
887	}	1074	}
888		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
889	XS(boot_IO__AIO) ecb_cold;	1093	XS(boot_IO__AIO) ecb_cold;
890		1094
891	MODULE = IO::AIO PACKAGE = IO::AIO	1095	MODULE = IO::AIO PACKAGE = IO::AIO
892		1096
893	PROTOTYPES: ENABLE	1097	PROTOTYPES: ENABLE
…		…
900	} *civ, const_iv[] = {	1104	} *civ, const_iv[] = {
901	# define const_niv(name, value) { # name, (IV) value },	1105	# define const_niv(name, value) { # name, (IV) value },
902	# define const_iv(name) { # name, (IV) name },	1106	# define const_iv(name) { # name, (IV) name },
903	# define const_eio(name) { # name, (IV) EIO_ ## name },	1107	# define const_eio(name) { # name, (IV) EIO_ ## name },
904		1108
905	/* 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 */
906		1110	/* the first block can be undef if missing */
907	const_iv (ENOSYS)	1111	const_iv (ENOSYS)
908	const_iv (EXDEV)	1112	const_iv (EXDEV)
909	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)
910		1134
911	const_iv (O_RDONLY)	1135	const_iv (O_RDONLY)
912	const_iv (O_WRONLY)	1136	const_iv (O_WRONLY)
913	const_iv (O_RDWR)	1137	const_iv (O_RDWR)
914	const_iv (O_CREAT)	1138	const_iv (O_CREAT)
…		…
928	const_iv (O_SEARCH)	1152	const_iv (O_SEARCH)
929	const_iv (O_DIRECTORY)	1153	const_iv (O_DIRECTORY)
930	const_iv (O_DSYNC)	1154	const_iv (O_DSYNC)
931	const_iv (O_RSYNC)	1155	const_iv (O_RSYNC)
932	const_iv (O_SYNC)	1156	const_iv (O_SYNC)
		1157	const_iv (O_PATH)
		1158	const_iv (O_TMPFILE)
933	const_iv (O_TTY_INIT)	1159	const_iv (O_TTY_INIT)
934		1160
935	const_iv (S_IFIFO)	1161	const_iv (S_IFIFO)
936	const_iv (S_IFCHR)	1162	const_iv (S_IFCHR)
937	const_iv (S_IFBLK)	1163	const_iv (S_IFBLK)
…		…
939	const_iv (S_IFREG)	1165	const_iv (S_IFREG)
940	const_iv (S_IFDIR)	1166	const_iv (S_IFDIR)
941	const_iv (S_IFWHT)	1167	const_iv (S_IFWHT)
942	const_iv (S_IFSOCK)	1168	const_iv (S_IFSOCK)
943	const_iv (S_IFMT)	1169	const_iv (S_IFMT)
944
945	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
946	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
947	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
948	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
949	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
950	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
951
952	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
953	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
954	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
955	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
956	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
957		1170
958	const_iv (ST_RDONLY)	1171	const_iv (ST_RDONLY)
959	const_iv (ST_NOSUID)	1172	const_iv (ST_NOSUID)
960	const_iv (ST_NODEV)	1173	const_iv (ST_NODEV)
961	const_iv (ST_NOEXEC)	1174	const_iv (ST_NOEXEC)
…		…
971	const_iv (PROT_NONE)	1184	const_iv (PROT_NONE)
972	const_iv (PROT_EXEC)	1185	const_iv (PROT_EXEC)
973	const_iv (PROT_READ)	1186	const_iv (PROT_READ)
974	const_iv (PROT_WRITE)	1187	const_iv (PROT_WRITE)
975		1188
976	/*const_iv (MAP_FIXED)*/
977	const_iv (MAP_PRIVATE)	1189	const_iv (MAP_PRIVATE)
978	const_iv (MAP_SHARED)	1190	const_iv (MAP_SHARED)
		1191	const_iv (MAP_FIXED)
979	const_iv (MAP_ANONYMOUS)	1192	const_iv (MAP_ANONYMOUS)
980		1193
981	/* linuxish */	1194	/* linuxish */
982	const_iv (MAP_HUGETLB)
983	const_iv (MAP_LOCKED)	1195	const_iv (MAP_LOCKED)
984	const_iv (MAP_NORESERVE)	1196	const_iv (MAP_NORESERVE)
985	const_iv (MAP_POPULATE)	1197	const_iv (MAP_POPULATE)
986	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)
987		1279
988	const_iv (FIEMAP_FLAG_SYNC)	1280	const_iv (FIEMAP_FLAG_SYNC)
989	const_iv (FIEMAP_FLAG_XATTR)	1281	const_iv (FIEMAP_FLAG_XATTR)
990	const_iv (FIEMAP_FLAGS_COMPAT)	1282	const_iv (FIEMAP_FLAGS_COMPAT)
991	const_iv (FIEMAP_EXTENT_LAST)	1283	const_iv (FIEMAP_EXTENT_LAST)
…		…
1003	const_iv (SPLICE_F_MOVE)	1295	const_iv (SPLICE_F_MOVE)
1004	const_iv (SPLICE_F_NONBLOCK)	1296	const_iv (SPLICE_F_NONBLOCK)
1005	const_iv (SPLICE_F_MORE)	1297	const_iv (SPLICE_F_MORE)
1006	const_iv (SPLICE_F_GIFT)	1298	const_iv (SPLICE_F_GIFT)
1007		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)
1008	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)
1009	const_iv (SEEK_HOLE)	1374	const_iv (P_ALL)
1010		1375
1011	/* libeio constants */	1376	const_iv (FSCONFIG_SET_FLAG)
		1377	const_iv (FSCONFIG_SET_STRING)
		1378	const_iv (FSCONFIG_SET_BINARY)
		1379	const_iv (FSCONFIG_SET_PATH)
		1380	const_iv (FSCONFIG_SET_PATH_EMPTY)
		1381	const_iv (FSCONFIG_SET_FD)
		1382	const_iv (FSCONFIG_CMD_CREATE)
		1383	const_iv (FSCONFIG_CMD_RECONFIGURE)
		1384
		1385	const_iv (MOUNT_ATTR_RDONLY)
		1386	const_iv (MOUNT_ATTR_NOSUID)
		1387	const_iv (MOUNT_ATTR_NODEV)
		1388	const_iv (MOUNT_ATTR_NOEXEC)
		1389	const_iv (MOUNT_ATTR__ATIME)
		1390	const_iv (MOUNT_ATTR_RELATIME)
		1391	const_iv (MOUNT_ATTR_NOATIME)
		1392	const_iv (MOUNT_ATTR_STRICTATIME)
		1393	const_iv (MOUNT_ATTR_NODIRATIME)
		1394
		1395	/* these are libeio constants, and are independent of gendef0 */
1012	const_eio (SEEK_SET)	1396	const_eio (SEEK_SET)
1013	const_eio (SEEK_CUR)	1397	const_eio (SEEK_CUR)
1014	const_eio (SEEK_END)	1398	const_eio (SEEK_END)
1015		1399
1016	const_eio (MCL_FUTURE)	1400	const_eio (MCL_FUTURE)
1017	const_eio (MCL_CURRENT)	1401	const_eio (MCL_CURRENT)
		1402	const_eio (MCL_ONFAULT)
1018		1403
1019	const_eio (MS_ASYNC)	1404	const_eio (MS_ASYNC)
1020	const_eio (MS_INVALIDATE)	1405	const_eio (MS_INVALIDATE)
1021	const_eio (MS_SYNC)	1406	const_eio (MS_SYNC)
1022		1407
…		…
1026	const_eio (SYNC_FILE_RANGE_WRITE)	1411	const_eio (SYNC_FILE_RANGE_WRITE)
1027	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1412	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1028		1413
1029	const_eio (FALLOC_FL_KEEP_SIZE)	1414	const_eio (FALLOC_FL_KEEP_SIZE)
1030	const_eio (FALLOC_FL_PUNCH_HOLE)	1415	const_eio (FALLOC_FL_PUNCH_HOLE)
		1416	const_eio (FALLOC_FL_COLLAPSE_RANGE)
		1417	const_eio (FALLOC_FL_ZERO_RANGE)
		1418	const_eio (FALLOC_FL_INSERT_RANGE)
		1419	const_eio (FALLOC_FL_UNSHARE_RANGE)
		1420
		1421	const_eio (RENAME_NOREPLACE)
		1422	const_eio (RENAME_EXCHANGE)
		1423	const_eio (RENAME_WHITEOUT)
1031		1424
1032	const_eio (READDIR_DENTS)	1425	const_eio (READDIR_DENTS)
1033	const_eio (READDIR_DIRS_FIRST)	1426	const_eio (READDIR_DIRS_FIRST)
1034	const_eio (READDIR_STAT_ORDER)	1427	const_eio (READDIR_STAT_ORDER)
1035	const_eio (READDIR_FOUND_UNKNOWN)	1428	const_eio (READDIR_FOUND_UNKNOWN)
…		…
1053	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)	1446	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
1054	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));	1447	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
1055		1448
1056	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1449	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
1057		1450
		1451	/* allocate dummy pipe fd for aio_close */
		1452	{
		1453	int pipefd [2];
		1454
		1455	if (
		1456	#ifdef _WIN32
		1457	_pipe (pipefd, 1, _O_BINARY) < 0
		1458	#else
		1459	pipe (pipefd) < 0
		1460	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1461	#endif
		1462	|| close (pipefd [1]) < 0
		1463	)
		1464	croak ("IO::AIO: unable to create dummy pipe for aio_close");
		1465
		1466	close_fd = pipefd [0];
		1467	}
		1468
1058	reinit ();	1469	reinit ();
1059	}	1470	}
1060		1471
1061	void	1472	void
1062	reinit ()	1473	reinit ()
…		…
1103	PROTOTYPE: $	1514	PROTOTYPE: $
1104	CODE:	1515	CODE:
1105	max_outstanding = maxreqs;	1516	max_outstanding = maxreqs;
1106		1517
1107	void	1518	void
1108	aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)	1519	aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
1109	PPCODE:	1520	PPCODE:
1110	{	1521	{
1111	dREQ;	1522	dREQ;
1112		1523
1113	req->type = EIO_WD_OPEN;	1524	req->type = EIO_WD_OPEN;
…		…
1115		1526
1116	REQ_SEND;	1527	REQ_SEND;
1117	}	1528	}
1118		1529
1119	void	1530	void
1120	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1531	aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1121	PPCODE:	1532	PPCODE:
1122	{	1533	{
1123	dREQ;	1534	dREQ;
1124		1535
1125	req->type = EIO_OPEN;	1536	req->type = EIO_OPEN;
…		…
1129		1540
1130	REQ_SEND;	1541	REQ_SEND;
1131	}	1542	}
1132		1543
1133	void	1544	void
1134	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1545	aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
1135	ALIAS:	1546	ALIAS:
1136	aio_fsync = EIO_FSYNC	1547	aio_fsync = EIO_FSYNC
1137	aio_fdatasync = EIO_FDATASYNC	1548	aio_fdatasync = EIO_FDATASYNC
1138	aio_syncfs = EIO_SYNCFS	1549	aio_syncfs = EIO_SYNCFS
1139	PPCODE:	1550	PPCODE:
…		…
1147		1558
1148	REQ_SEND;	1559	REQ_SEND;
1149	}	1560	}
1150		1561
1151	void	1562	void
1152	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1563	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
1153	PPCODE:	1564	PPCODE:
1154	{	1565	{
1155	int fd = s_fileno_croak (fh, 0);	1566	int fd = s_fileno_croak (fh, 0);
1156	dREQ;	1567	dREQ;
1157		1568
…		…
1164		1575
1165	REQ_SEND;	1576	REQ_SEND;
1166	}	1577	}
1167		1578
1168	void	1579	void
1169	aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)	1580	aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
1170	PPCODE:	1581	PPCODE:
1171	{	1582	{
1172	int fd = s_fileno_croak (fh, 0);	1583	int fd = s_fileno_croak (fh, 0);
1173	dREQ;	1584	dREQ;
1174		1585
…		…
1181		1592
1182	REQ_SEND;	1593	REQ_SEND;
1183	}	1594	}
1184		1595
1185	void	1596	void
1186	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1597	aio_close (SV *fh, SV *callback = &PL_sv_undef)
1187	PPCODE:	1598	PPCODE:
1188	{	1599	{
1189	static int close_fd = -1; /* dummy fd to close fds via dup2 */
1190	int fd = s_fileno_croak (fh, 0);	1600	int fd = s_fileno_croak (fh, 0);
1191	dREQ;	1601	dREQ;
		1602	#if 0
		1603	/* partially duplicate logic in s_fileno */
		1604	SvGETMAGIC (fh);
1192		1605
1193	if (expect_false (close_fd < 0))	1606	if (SvROK (fh))
		1607	{
		1608	fh = SvRV (fh);
		1609	SvGETMAGIC (fh);
		1610	}
		1611
		1612	if (SvTYPE (fh) == SVt_PVGV)
1194	{	1613	{
1195	int pipefd [2];	1614	/* perl filehandle */
		1615	PerlIOUnix_refcnt_inc (fd);
		1616	do_close ((GV *)fh, 1);
1196		1617
1197	if (	1618	req->type = EIO_CLOSE;
1198	#ifdef _WIN32	1619	req->int1 = fd;
1199	_pipe (pipefd, 1, _O_BINARY) < 0	1620	/*req->sv2 = newSVsv (fh);*/ /* since we stole the fd, no need to keep the fh */
1200	#else
1201	pipe (pipefd) < 0
1202	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1203	#endif
1204	|| close (pipefd [1]) < 0
1205	)
1206	abort (); /*D*/
1207
1208	close_fd = pipefd [0];
1209	}	1621	}
1210		1622	else
		1623	#endif
		1624	{
		1625	/* fd number */
1211	req->type = EIO_DUP2;	1626	req->type = EIO_DUP2;
1212	req->int1 = close_fd;	1627	req->int1 = close_fd;
1213	req->sv2 = newSVsv (fh);	1628	req->sv2 = newSVsv (fh);
1214	req->int2 = fd;	1629	req->int2 = fd;
		1630	}
1215		1631
1216	REQ_SEND;	1632	REQ_SEND;
1217	}	1633	}
1218		1634
1219	void	1635	void
1220	aio_seek (SV *fh, SV *offset, int whence, SV *callback=&PL_sv_undef)	1636	aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1221	PPCODE:	1637	PPCODE:
1222	{	1638	{
1223	int fd = s_fileno_croak (fh, 0);	1639	int fd = s_fileno_croak (fh, 0);
1224	dREQ;	1640	dREQ;
1225		1641
…		…
1231		1647
1232	REQ_SEND;	1648	REQ_SEND;
1233	}	1649	}
1234		1650
1235	void	1651	void
1236	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1652	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
1237	ALIAS:	1653	ALIAS:
1238	aio_read = EIO_READ	1654	aio_read = EIO_READ
1239	aio_write = EIO_WRITE	1655	aio_write = EIO_WRITE
1240	PPCODE:	1656	PPCODE:
1241	{	1657	{
…		…
1257	len = svlen - dataoffset;	1673	len = svlen - dataoffset;
1258	}	1674	}
1259	else	1675	else
1260	{	1676	{
1261	/* read: check type and grow scalar as necessary */	1677	/* read: check type and grow scalar as necessary */
1262	SvUPGRADE (data, SVt_PV);
1263	if (SvLEN (data) >= SvCUR (data))	1678	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1264	svptr = SvGROW (data, len + dataoffset + 1);	1679	svptr = sv_grow (data, len + dataoffset + 1);
1265	else if (SvCUR (data) < len + dataoffset)	1680	else if (SvCUR (data) < len + dataoffset)
1266	croak ("length + dataoffset outside of scalar, and cannot grow");	1681	croak ("length + dataoffset outside of scalar, and cannot grow");
1267	}	1682	}
1268		1683
1269	{	1684	{
…		…
1287	REQ_SEND;	1702	REQ_SEND;
1288	}	1703	}
1289	}	1704	}
1290		1705
1291	void	1706	void
		1707	aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
		1708	ALIAS:
		1709	aio_ioctl = EIO_IOCTL
		1710	aio_fcntl = EIO_FCNTL
		1711	PPCODE:
		1712	{
		1713	int fd = s_fileno_croak (fh, 0);
		1714	char *svptr;
		1715
		1716	if (SvPOK (arg) || !SvNIOK (arg))
		1717	{
		1718	STRLEN svlen;
		1719	/* perl uses IOCPARM_LEN for fcntl, so we do, too */
		1720	#ifdef IOCPARM_LEN
		1721	STRLEN need = IOCPARM_LEN (request);
		1722	#else
		1723	STRLEN need = 256;
		1724	#endif
		1725
		1726	if (svlen < need)
		1727	svptr = SvGROW (arg, need);
		1728	}
		1729	else
		1730	svptr = (char *)SvIV (arg);
		1731
		1732	{
		1733	dREQ;
		1734
		1735	req->type = ix;
		1736	req->sv1 = newSVsv (fh);
		1737	req->int1 = fd;
		1738	req->int2 = (long)request;
		1739	req->sv2 = SvREFCNT_inc (arg);
		1740	req->ptr2 = svptr;
		1741
		1742	REQ_SEND;
		1743	}
		1744	}
		1745
		1746	void
1292	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1747	aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1293	ALIAS:	1748	ALIAS:
1294	aio_readlink = EIO_READLINK	1749	aio_readlink = EIO_READLINK
1295	aio_realpath = EIO_REALPATH	1750	aio_realpath = EIO_REALPATH
1296	PPCODE:	1751	PPCODE:
1297	{	1752	{
…		…
1302		1757
1303	REQ_SEND;	1758	REQ_SEND;
1304	}	1759	}
1305		1760
1306	void	1761	void
1307	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1762	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1308	PPCODE:	1763	PPCODE:
1309	{	1764	{
1310	int ifd = s_fileno_croak (in_fh , 0);	1765	int ifd = s_fileno_croak (in_fh , 0);
1311	int ofd = s_fileno_croak (out_fh, 1);	1766	int ofd = s_fileno_croak (out_fh, 1);
1312	dREQ;	1767	dREQ;
…		…
1321		1776
1322	REQ_SEND;	1777	REQ_SEND;
1323	}	1778	}
1324		1779
1325	void	1780	void
1326	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1781	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1327	PPCODE:	1782	PPCODE:
1328	{	1783	{
1329	int fd = s_fileno_croak (fh, 0);	1784	int fd = s_fileno_croak (fh, 0);
1330	dREQ;	1785	dREQ;
1331		1786
…		…
1337		1792
1338	REQ_SEND;	1793	REQ_SEND;
1339	}	1794	}
1340		1795
1341	void	1796	void
1342	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1797	aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1343	ALIAS:	1798	ALIAS:
1344	aio_stat = EIO_STAT	1799	aio_stat = EIO_STAT
1345	aio_lstat = EIO_LSTAT	1800	aio_lstat = EIO_LSTAT
1346	aio_statvfs = EIO_STATVFS	1801	aio_statvfs = EIO_STATVFS
1347	PPCODE:	1802	PPCODE:
…		…
1350		1805
1351	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);	1806	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1352		1807
1353	REQ_SEND;	1808	REQ_SEND;
1354	}	1809	}
		1810
		1811	void
		1812	st_xtime ()
		1813	ALIAS:
		1814	st_atime = 0x01
		1815	st_mtime = 0x02
		1816	st_ctime = 0x04
		1817	st_btime = 0x08
		1818	st_xtime = 0x0f
		1819	PPCODE:
		1820	EXTEND (SP, 4);
		1821	if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
		1822	if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
		1823	if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
		1824	if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
		1825
		1826	void
		1827	st_xtimensec ()
		1828	ALIAS:
		1829	st_atimensec = 0x01
		1830	st_mtimensec = 0x02
		1831	st_ctimensec = 0x04
		1832	st_btimensec = 0x08
		1833	st_xtimensec = 0x0f
		1834	st_btimesec = 0x10
		1835	st_gen = 0x20
		1836	PPCODE:
		1837	EXTEND (SP, 4);
		1838	if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
		1839	if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
		1840	if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
		1841	if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
		1842	if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
		1843	if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
1355		1844
1356	UV	1845	UV
1357	major (UV dev)	1846	major (UV dev)
1358	ALIAS:	1847	ALIAS:
1359	minor = 1	1848	minor = 1
1360	CODE:	1849	CODE:
1361	RETVAL = ix ? major (dev) : minor (dev);	1850	RETVAL = ix ? minor (dev) : major (dev);
1362	OUTPUT:	1851	OUTPUT:
1363	RETVAL	1852	RETVAL
1364		1853
1365	UV	1854	UV
1366	makedev (UV maj, UV min)	1855	makedev (UV maj, UV min)
…		…
1368	RETVAL = makedev (maj, min);	1857	RETVAL = makedev (maj, min);
1369	OUTPUT:	1858	OUTPUT:
1370	RETVAL	1859	RETVAL
1371		1860
1372	void	1861	void
1373	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1862	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1374	PPCODE:	1863	PPCODE:
1375	{	1864	{
1376	dREQ;	1865	dREQ;
1377		1866
1378	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1867	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
…		…
1381		1870
1382	REQ_SEND;	1871	REQ_SEND;
1383	}	1872	}
1384		1873
1385	void	1874	void
1386	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1875	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1387	PPCODE:	1876	PPCODE:
1388	{	1877	{
1389	dREQ;	1878	dREQ;
1390		1879
1391	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1880	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
…		…
1393		1882
1394	REQ_SEND;	1883	REQ_SEND;
1395	}	1884	}
1396		1885
1397	void	1886	void
1398	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1887	aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1399	PPCODE:	1888	PPCODE:
1400	{	1889	{
1401	dREQ;	1890	dREQ;
1402		1891
1403	req->int2 = mode;	1892	req->int2 = mode;
…		…
1405		1894
1406	REQ_SEND;	1895	REQ_SEND;
1407	}	1896	}
1408		1897
1409	void	1898	void
1410	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef)	1899	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1411	PPCODE:	1900	PPCODE:
1412	{	1901	{
1413	dREQ;	1902	dREQ;
1414		1903
1415	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1904	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
…		…
1418		1907
1419	REQ_SEND;	1908	REQ_SEND;
1420	}	1909	}
1421		1910
1422	void	1911	void
1423	aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)	1912	aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1424	PPCODE:	1913	PPCODE:
1425	{	1914	{
1426	dREQ;	1915	dREQ;
1427		1916
1428	req->type = EIO_READDIR;	1917	req->type = EIO_READDIR;
…		…
1435		1924
1436	REQ_SEND;	1925	REQ_SEND;
1437	}	1926	}
1438		1927
1439	void	1928	void
1440	aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef)	1929	aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1441	PPCODE:	1930	PPCODE:
1442	{	1931	{
1443	dREQ;	1932	dREQ;
1444		1933
1445	req->type = EIO_MKDIR;	1934	req->type = EIO_MKDIR;
…		…
1448		1937
1449	REQ_SEND;	1938	REQ_SEND;
1450	}	1939	}
1451		1940
1452	void	1941	void
1453	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1942	aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1454	ALIAS:	1943	ALIAS:
1455	aio_unlink = EIO_UNLINK	1944	aio_unlink = EIO_UNLINK
1456	aio_rmdir = EIO_RMDIR	1945	aio_rmdir = EIO_RMDIR
1457	aio_readdir = EIO_READDIR	1946	aio_readdir = EIO_READDIR
1458	PPCODE:	1947	PPCODE:
…		…
1464		1953
1465	REQ_SEND;	1954	REQ_SEND;
1466	}	1955	}
1467		1956
1468	void	1957	void
1469	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef)	1958	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1470	ALIAS:	1959	ALIAS:
1471	aio_link = EIO_LINK	1960	aio_link = EIO_LINK
1472	aio_symlink = EIO_SYMLINK	1961	aio_symlink = EIO_SYMLINK
1473	aio_rename = EIO_RENAME	1962	aio_rename = EIO_RENAME
1474	PPCODE:	1963	PPCODE:
…		…
1476	eio_wd wd2 = 0;	1965	eio_wd wd2 = 0;
1477	dREQ;	1966	dREQ;
1478		1967
1479	req->type = ix;	1968	req->type = ix;
1480	req_set_path1 (req, oldpath);	1969	req_set_path1 (req, oldpath);
1481	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);	1970	req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1482	req->int3 = (long)wd2;	1971	req->int3 = (long)wd2;
1483		1972
1484	REQ_SEND;	1973	REQ_SEND;
1485	}	1974	}
1486		1975
1487	void	1976	void
		1977	aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
		1978	PPCODE:
		1979	{
		1980	eio_wd wd2 = 0;
		1981	dREQ;
		1982
		1983	req->type = EIO_RENAME;
		1984	req_set_path1 (req, oldpath);
		1985	req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
		1986	req->int2 = flags;
		1987	req->int3 = (long)wd2;
		1988
		1989	REQ_SEND;
		1990	}
		1991
		1992	void
1488	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef)	1993	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1489	PPCODE:	1994	PPCODE:
1490	{	1995	{
1491	dREQ;	1996	dREQ;
1492		1997
1493	req->type = EIO_MKNOD;	1998	req->type = EIO_MKNOD;
…		…
1497		2002
1498	REQ_SEND;	2003	REQ_SEND;
1499	}	2004	}
1500		2005
1501	void	2006	void
1502	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	2007	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1503	ALIAS:	2008	ALIAS:
1504	aio_mtouch = EIO_MTOUCH	2009	aio_mtouch = EIO_MTOUCH
1505	aio_msync = EIO_MSYNC	2010	aio_msync = EIO_MSYNC
1506	PPCODE:	2011	PPCODE:
1507	{	2012	{
1508	STRLEN svlen;	2013	STRLEN svlen;
1509	char *svptr = SvPVbyte (data, svlen);	2014	char *svptr = SvPVbyte (data, svlen);
1510	UV len = SvUV (length);	2015	UV len = SvUV (length);
		2016
		2017	if (flags < 0)
		2018	flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1511		2019
1512	if (offset < 0)	2020	if (offset < 0)
1513	offset += svlen;	2021	offset += svlen;
1514		2022
1515	if (offset < 0 || offset > svlen)	2023	if (offset < 0 || offset > svlen)
…		…
1530	REQ_SEND;	2038	REQ_SEND;
1531	}	2039	}
1532	}	2040	}
1533		2041
1534	void	2042	void
1535	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)	2043	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1536	PPCODE:	2044	PPCODE:
1537	{	2045	{
1538	STRLEN svlen;	2046	STRLEN svlen;
1539	char *svptr = SvPVbyte (data, svlen);	2047	char *svptr = SvPVbyte (data, svlen);
1540	UV len = SvUV (length);	2048	UV len = SvUV (length);
…		…
1559	REQ_SEND;	2067	REQ_SEND;
1560	}	2068	}
1561	}	2069	}
1562		2070
1563	void	2071	void
1564	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)	2072	aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1565	PPCODE:	2073	PPCODE:
1566	{	2074	{
1567	dREQ;	2075	dREQ;
1568		2076
1569	req->type = EIO_MLOCKALL;	2077	req->type = EIO_MLOCKALL;
…		…
1571		2079
1572	REQ_SEND;	2080	REQ_SEND;
1573	}	2081	}
1574		2082
1575	void	2083	void
1576	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback=&PL_sv_undef)	2084	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
1577	PPCODE:	2085	PPCODE:
1578	{	2086	{
1579	int fd = s_fileno_croak (fh, 0);	2087	int fd = s_fileno_croak (fh, 0);
1580	dREQ;	2088	dREQ;
1581		2089
…		…
1594		2102
1595	REQ_SEND;	2103	REQ_SEND;
1596	}	2104	}
1597		2105
1598	void	2106	void
		2107	aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
		2108	PPCODE:
		2109	{
		2110	char *svptr = 0;
		2111
		2112	sv_clear_foreign (data);
		2113
		2114	if (length) /* known length, directly read into scalar */
		2115	{
		2116	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
		2117	svptr = sv_grow (data, length + 1);
		2118	else if (SvCUR (data) < length)
		2119	croak ("length outside of scalar, and cannot grow");
		2120	else
		2121	svptr = SvPVbyte_nolen (data);
		2122	}
		2123
		2124	{
		2125	dREQ;
		2126
		2127	req->type = EIO_SLURP;
		2128	req_set_path1 (req, pathname);
		2129	req->offs = offset;
		2130	req->size = length;
		2131	req->sv2 = SvREFCNT_inc (data);
		2132	req->ptr2 = svptr;
		2133
		2134	if (!SvREADONLY (data))
		2135	{
		2136	SvREADONLY_on (data);
		2137	req->flags |= FLAG_SV2_RO_OFF;
		2138	}
		2139
		2140	REQ_SEND;
		2141	}
		2142	}
		2143
		2144	void
1599	aio_busy (double delay, SV *callback=&PL_sv_undef)	2145	aio_busy (double delay, SV *callback = &PL_sv_undef)
1600	PPCODE:	2146	PPCODE:
1601	{	2147	{
1602	dREQ;	2148	dREQ;
1603		2149
1604	req->type = EIO_BUSY;	2150	req->type = EIO_BUSY;
…		…
1606		2152
1607	REQ_SEND;	2153	REQ_SEND;
1608	}	2154	}
1609		2155
1610	void	2156	void
1611	aio_group (SV *callback=&PL_sv_undef)	2157	aio_group (SV *callback = &PL_sv_undef)
1612	PPCODE:	2158	PPCODE:
1613	{	2159	{
1614	dREQ;	2160	dREQ;
1615		2161
1616	req->type = EIO_GROUP;	2162	req->type = EIO_GROUP;
1617		2163
		2164	PUTBACK;
1618	req_submit (req);	2165	req_submit (req);
		2166	SPAGAIN;
		2167
1619	XPUSHs (req_sv (req, aio_grp_stash));	2168	XPUSHs (req_sv (req, aio_grp_stash));
1620	}	2169	}
1621		2170
1622	void	2171	void
1623	aio_nop (SV *callback=&PL_sv_undef)	2172	aio_nop (SV *callback = &PL_sv_undef)
1624	ALIAS:	2173	ALIAS:
1625	aio_nop = EIO_NOP	2174	aio_nop = EIO_NOP
1626	aio_sync = EIO_SYNC	2175	aio_sync = EIO_SYNC
1627	PPCODE:	2176	PPCODE:
1628	{	2177	{
…		…
1632		2181
1633	REQ_SEND;	2182	REQ_SEND;
1634	}	2183	}
1635		2184
1636	int	2185	int
1637	aioreq_pri (int pri = 0)	2186	aioreq_pri (int pri = NO_INIT)
1638	CODE:	2187	CODE:
1639	RETVAL = next_pri;	2188	RETVAL = next_pri;
1640	if (items > 0)	2189	if (items > 0)
1641	{	2190	{
1642	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	2191	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1732	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	2281	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1733	OUTPUT:	2282	OUTPUT:
1734	RETVAL	2283	RETVAL
1735		2284
1736	void	2285	void
1737	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)	2286	mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1738	PPCODE:	2287	PPCODE:
1739	sv_unmagic (scalar, MMAP_MAGIC);	2288	sv_clear_foreign (scalar);
1740	{	2289	{
1741	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	2290	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1742	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	2291	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1743	if (addr == (void *)-1)	2292	if (addr == (void *)-1)
1744	XSRETURN_NO;	2293	XSRETURN_NO;
1745		2294
1746	sv_force_normal (scalar);	2295	sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1747
1748	/* we store the length in mg_obj, as namlen is I32 :/ */
1749	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1750	->mg_obj = (SV *)length;
1751
1752	SvUPGRADE (scalar, SVt_PV); /* nop... */
1753		2296
1754	if (!(prot & PROT_WRITE))	2297	if (!(prot & PROT_WRITE))
1755	SvREADONLY_on (scalar);	2298	SvREADONLY_on (scalar);
1756		2299
1757	if (SvLEN (scalar))
1758	Safefree (SvPVX (scalar));
1759
1760	SvPVX (scalar) = (char *)addr;
1761	SvCUR_set (scalar, length);
1762	SvLEN_set (scalar, 0);
1763	SvPOK_only (scalar);
1764
1765	XSRETURN_YES;	2300	XSRETURN_YES;
1766	}	2301	}
1767		2302
1768	void	2303	void
1769	munmap (SV *scalar)	2304	munmap (SV *scalar)
1770	CODE:	2305	CODE:
1771	sv_unmagic (scalar, MMAP_MAGIC);	2306	sv_clear_foreign (scalar);
		2307
		2308	SV *
		2309	mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
		2310	CODE:
		2311	{
		2312	MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
		2313	void *new;
		2314
		2315	if (!mg || SvPVX (scalar) != mg->mg_ptr)
		2316	croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
		2317
		2318	new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
		2319
		2320	RETVAL = &PL_sv_no;
		2321
		2322	if (new != (void *)-1)
		2323	{
		2324	RETVAL = new == (void *)mg->mg_ptr
		2325	? newSVpvn ("0 but true", 10)
		2326	: &PL_sv_yes;
		2327
		2328	mg->mg_ptr = (char *)new;
		2329	mg->mg_obj = (SV *)new_length;
		2330
		2331	SvPVX (scalar) = mg->mg_ptr;
		2332	SvCUR_set (scalar, new_length);
		2333	}
		2334	}
		2335	OUTPUT:
		2336	RETVAL
1772		2337
1773	int	2338	int
1774	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)	2339	madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1775	ALIAS:	2340	ALIAS:
1776	mprotect = 1	2341	mprotect = 1
1777	CODE:	2342	CODE:
1778	{	2343	{
1779	STRLEN svlen;	2344	STRLEN svlen;
1780	void *addr = SvPVbyte (scalar, svlen);	2345	void *addr = SvPVbyte (scalar, svlen);
1781	size_t len = SvUV (length);	2346	STRLEN len = SvUV (length);
1782		2347
1783	if (offset < 0)	2348	if (offset < 0)
1784	offset += svlen;	2349	offset += svlen;
1785		2350
1786	if (offset < 0 || offset > svlen)	2351	if (offset < 0 || offset > svlen)
…		…
1800	}	2365	}
1801	OUTPUT:	2366	OUTPUT:
1802	RETVAL	2367	RETVAL
1803		2368
1804	int	2369	int
1805	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)	2370	munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
1806	CODE:	2371	CODE:
1807	{	2372	{
1808	STRLEN svlen;	2373	STRLEN svlen;
1809	void *addr = SvPVbyte (scalar, svlen);	2374	void *addr = SvPVbyte (scalar, svlen);
1810	size_t len = SvUV (length);	2375	size_t len = SvUV (length);
…		…
1825	#else	2390	#else
1826	RETVAL = EIO_ENOSYS ();	2391	RETVAL = EIO_ENOSYS ();
1827	#endif	2392	#endif
1828	}	2393	}
1829	OUTPUT:	2394	OUTPUT:
		2395	RETVAL
		2396
		2397	int
		2398	mlockall (int flags)
		2399	PROTOTYPE: $;
		2400	CODE:
		2401	RETVAL = eio_mlockall_sync (flags);
		2402	OUTPUT:
1830	RETVAL	2403	RETVAL
1831		2404
1832	int	2405	int
1833	munlockall ()	2406	munlockall ()
1834	CODE:	2407	CODE:
…		…
1839	#endif	2412	#endif
1840	OUTPUT:	2413	OUTPUT:
1841	RETVAL	2414	RETVAL
1842		2415
1843	int	2416	int
		2417	statx (SV8 *pathname, int flags, UV mask)
		2418	CODE:
		2419	{
		2420	/* undocumented, and might go away, and anyway, should use eio_statx */
		2421	SV *wdsv = 0;
		2422	SV *pathsv = 0;
		2423	eio_wd wd = EIO_CWD;
		2424	void *ptr;
		2425	int res;
		2426
		2427	req_set_path (pathname, &wdsv, &pathsv, &wd, &ptr);
		2428	RETVAL = eio__statx (!wd || wd->fd == EIO_CWD ? AT_FDCWD : wd->fd, ptr, flags, mask & STATX_ALL, &stx);
		2429
		2430	SvREFCNT_dec (pathsv);
		2431	SvREFCNT_dec (wdsv);
		2432	}
		2433	OUTPUT:
		2434	RETVAL
		2435
		2436	U32
		2437	stx_mode ()
		2438	PROTOTYPE:
		2439	CODE:
		2440	#if HAVE_STATX
		2441	RETVAL = stx.stx_mode;
		2442	#else
		2443	XSRETURN_UNDEF;
		2444	#endif
		2445	OUTPUT:
		2446	RETVAL
		2447
		2448	#define STATX_OFFSET_mask statx_offsetof (stx_mask)
		2449	#define STATX_OFFSET_blksize statx_offsetof (stx_blksize)
		2450	#define STATX_OFFSET_nlink statx_offsetof (stx_nlink)
		2451	#define STATX_OFFSET_uid statx_offsetof (stx_uid)
		2452	#define STATX_OFFSET_gid statx_offsetof (stx_gid)
		2453	#define STATX_OFFSET_rdev_major statx_offsetof (stx_rdev_major)
		2454	#define STATX_OFFSET_rdev_minor statx_offsetof (stx_rdev_minor)
		2455	#define STATX_OFFSET_dev_major statx_offsetof (stx_dev_major)
		2456	#define STATX_OFFSET_dev_minor statx_offsetof (stx_dev_minor)
		2457	#define STATX_OFFSET_attributes statx_offsetof (stx_attributes)
		2458	#define STATX_OFFSET_ino statx_offsetof (stx_ino)
		2459	#define STATX_OFFSET_size statx_offsetof (stx_size)
		2460	#define STATX_OFFSET_blocks statx_offsetof (stx_blocks)
		2461	#define STATX_OFFSET_attributes_mask statx_offsetof (stx_attributes_mask)
		2462	#define STATX_OFFSET_atime statx_offsetof (stx_atime)
		2463	#define STATX_OFFSET_btime statx_offsetof (stx_btime)
		2464	#define STATX_OFFSET_ctime statx_offsetof (stx_ctime)
		2465	#define STATX_OFFSET_mtime statx_offsetof (stx_mtime)
		2466
		2467	U32
		2468	stx_mask ()
		2469	PROTOTYPE:
		2470	ALIAS:
		2471	stx_mask = STATX_OFFSET_mask
		2472	stx_blksize = STATX_OFFSET_blksize
		2473	stx_nlink = STATX_OFFSET_nlink
		2474	stx_uid = STATX_OFFSET_uid
		2475	stx_gid = STATX_OFFSET_gid
		2476	stx_rdev_major = STATX_OFFSET_rdev_major
		2477	stx_rdev_minor = STATX_OFFSET_rdev_minor
		2478	stx_dev_major = STATX_OFFSET_dev_major
		2479	stx_dev_minor = STATX_OFFSET_dev_minor
		2480	CODE:
		2481	#if HAVE_STATX
		2482	RETVAL = *(__u32 *)((char *)&stx + ix);
		2483	#else
		2484	XSRETURN_UNDEF;
		2485	#endif
		2486	OUTPUT:
		2487	RETVAL
		2488
		2489	VAL64
		2490	stx_attributes ()
		2491	PROTOTYPE:
		2492	ALIAS:
		2493	stx_attributes = STATX_OFFSET_attributes
		2494	stx_ino = STATX_OFFSET_ino
		2495	stx_size = STATX_OFFSET_size
		2496	stx_blocks = STATX_OFFSET_blocks
		2497	stx_attributes_mask = STATX_OFFSET_attributes_mask
		2498	CODE:
		2499	#if HAVE_STATX
		2500	RETVAL = *(__u64 *)((char *)&stx + ix);
		2501	#else
		2502	XSRETURN_UNDEF;
		2503	#endif
		2504	OUTPUT:
		2505	RETVAL
		2506
		2507	NV
		2508	stx_atime ()
		2509	PROTOTYPE:
		2510	ALIAS:
		2511	stx_atime = STATX_OFFSET_atime
		2512	stx_btime = STATX_OFFSET_btime
		2513	stx_ctime = STATX_OFFSET_ctime
		2514	stx_mtime = STATX_OFFSET_mtime
		2515	CODE:
		2516	#if HAVE_STATX
		2517	struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
		2518	RETVAL = ts->tv_sec + ts->tv_nsec * 1e-9;
		2519	#else
		2520	XSRETURN_UNDEF;
		2521	#endif
		2522	OUTPUT:
		2523	RETVAL
		2524
		2525	VAL64
		2526	stx_atimesec ()
		2527	PROTOTYPE:
		2528	ALIAS:
		2529	stx_atimesec = STATX_OFFSET_atime
		2530	stx_btimesec = STATX_OFFSET_btime
		2531	stx_ctimesec = STATX_OFFSET_ctime
		2532	stx_mtimesec = STATX_OFFSET_mtime
		2533	CODE:
		2534	#if HAVE_STATX
		2535	struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
		2536	RETVAL = ts->tv_sec;
		2537	#else
		2538	XSRETURN_UNDEF;
		2539	#endif
		2540	OUTPUT:
		2541	RETVAL
		2542
		2543	U32
		2544	stx_atimensec ()
		2545	PROTOTYPE:
		2546	ALIAS:
		2547	stx_atimensec = STATX_OFFSET_atime
		2548	stx_btimensec = STATX_OFFSET_btime
		2549	stx_ctimensec = STATX_OFFSET_ctime
		2550	stx_mtimensec = STATX_OFFSET_mtime
		2551	CODE:
		2552	#if HAVE_STATX
		2553	struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
		2554	RETVAL = ts->tv_nsec;
		2555	#else
		2556	RETVAL = 0;
		2557	#endif
		2558	OUTPUT:
		2559	RETVAL
		2560
		2561	void
		2562	accept4 (aio_rfd rfh, SV *sockaddr, int salen, int flags)
		2563	PPCODE:
		2564	{
		2565	SV *retval;
		2566	#if HAVE_ACCEPT4
		2567	socklen_t salen_ = salen ? salen + 1 : 0;
		2568
		2569	if (salen)
		2570	{
		2571	sv_upgrade (sockaddr, SVt_PV);
		2572	sv_grow (sockaddr, salen_);
		2573	}
		2574
		2575	int res = accept4 (rfh, salen ? (struct sockaddr *)SvPVX (sockaddr) : 0, salen ? &salen_ : 0, flags);
		2576
		2577	retval = newmortalFH (res, O_RDWR);
		2578
		2579	if (res >= 0 && salen > 0)
		2580	{
		2581	if (salen_ > salen + 1)
		2582	salen_ = salen + 1;
		2583
		2584	SvPOK_only (sockaddr);
		2585	SvCUR_set (sockaddr, salen_);
		2586	}
		2587	#else
		2588	errno = ENOSYS;
		2589	retval = &PL_sv_undef;
		2590	#endif
		2591	XPUSHs (retval);
		2592	}
		2593
		2594	ssize_t
1844	splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)	2595	splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
1845	CODE:	2596	CODE:
1846	{	2597	{
1847	#if HAVE_LINUX_SPLICE	2598	#if HAVE_LINUX_SPLICE
1848	loff_t off_in_, off_out_;	2599	loff_t off_in_, off_out_;
…		…
1856	#endif	2607	#endif
1857	}	2608	}
1858	OUTPUT:	2609	OUTPUT:
1859	RETVAL	2610	RETVAL
1860		2611
1861	int	2612	ssize_t
1862	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)	2613	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
1863	CODE:	2614	CODE:
1864	#if HAVE_LINUX_SPLICE	2615	#if HAVE_LINUX_SPLICE
1865	RETVAL = tee (rfh, wfh, length, flags);	2616	RETVAL = tee (rfh, wfh, length, flags);
1866	#else	2617	#else
1867	RETVAL = EIO_ENOSYS ();	2618	RETVAL = EIO_ENOSYS ();
1868	#endif	2619	#endif
1869	OUTPUT:	2620	OUTPUT:
1870	RETVAL	2621	RETVAL
		2622
		2623	int
		2624	pipesize (aio_rfd rfh, int new_size = -1)
		2625	PROTOTYPE: $;$
		2626	CODE:
		2627	#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
		2628	if (new_size >= 0)
		2629	RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
		2630	else
		2631	RETVAL = fcntl (rfh, F_GETPIPE_SZ);
		2632	#else
		2633	errno = ENOSYS;
		2634	RETVAL = -1;
		2635	#endif
		2636	OUTPUT:
		2637	RETVAL
		2638
		2639	void
		2640	pipe2 (int flags = 0)
		2641	PROTOTYPE: ;$
		2642	PPCODE:
		2643	{
		2644	int fd[2];
		2645	int res;
		2646
		2647	if (flags)
		2648	#if HAVE_PIPE2
		2649	res = pipe2 (fd, flags);
		2650	#else
		2651	res = (errno = ENOSYS, -1);
		2652	#endif
		2653	else
		2654	res = pipe (fd);
		2655
		2656	if (!res)
		2657	{
		2658	EXTEND (SP, 2);
		2659	PUSHs (newmortalFH (fd[0], O_RDONLY));
		2660	PUSHs (newmortalFH (fd[1], O_WRONLY));
		2661	}
		2662	}
		2663
		2664	void
		2665	pidfd_open (int pid, unsigned int flags = 0)
		2666	PPCODE:
		2667	{
		2668	/*GENDEF0_SYSCALL(pidfd_open,434)*/
		2669	int fd = syscall (SYS_pidfd_open, pid, flags);
		2670	XPUSHs (newmortalFH (fd, O_RDWR));
		2671	}
		2672
		2673	int
		2674	pidfd_send_signal (SV *pidfh, int sig, SV *siginfo = &PL_sv_undef, unsigned int flags = 0)
		2675	PPCODE:
		2676	{
		2677	int res;
		2678	siginfo_t si = { 0 };
		2679
		2680	if (SvOK (siginfo))
		2681	{
		2682	HV *hv;
		2683	SV **svp;
		2684
		2685	if (!SvROK (siginfo) || SvTYPE (SvRV (siginfo)) != SVt_PVHV)
		2686	croak ("siginfo argument must be a hashref code, pid, uid and value_int or value_ptr members, caught");
		2687
		2688	hv = (HV *)SvRV (siginfo);
		2689
		2690	if ((svp = hv_fetchs (hv, "code" , 0))) si.si_code = SvIV (*svp);
		2691	if ((svp = hv_fetchs (hv, "pid" , 0))) si.si_pid = SvIV (*svp);
		2692	if ((svp = hv_fetchs (hv, "uid" , 0))) si.si_uid = SvIV (*svp);
		2693	if ((svp = hv_fetchs (hv, "value_int", 0))) si.si_value.sival_int = SvIV (*svp);
		2694	if ((svp = hv_fetchs (hv, "value_ptr", 0))) si.si_value.sival_ptr = (void *)SvIV (*svp);
		2695	}
		2696
		2697	/*GENDEF0_SYSCALL(pidfd_send_signal,424)*/
		2698	res = syscall (SYS_pidfd_send_signal, s_fileno_croak (pidfh, 0), sig, SvOK (siginfo) ? &si : 0, flags);
		2699
		2700	XPUSHs (sv_2mortal (newSViv (res)));
		2701	}
		2702
		2703	void
		2704	pidfd_getfd (SV *pidfh, int targetfd, unsigned int flags = 0)
		2705	PPCODE:
		2706	{
		2707	/*GENDEF0_SYSCALL(pidfd_getfd,438)*/
		2708	int fd = syscall (SYS_pidfd_getfd, s_fileno_croak (pidfh, 0), targetfd, flags);
		2709	XPUSHs (newmortalFH (fd, O_RDWR));
		2710	}
		2711
		2712	void
		2713	eventfd (unsigned int initval = 0, int flags = 0)
		2714	PPCODE:
		2715	{
		2716	int fd;
		2717	#if HAVE_EVENTFD
		2718	fd = eventfd (initval, flags);
		2719	#else
		2720	fd = (errno = ENOSYS, -1);
		2721	#endif
		2722
		2723	XPUSHs (newmortalFH (fd, O_RDWR));
		2724	}
		2725
		2726	void
		2727	timerfd_create (int clockid, int flags = 0)
		2728	PPCODE:
		2729	{
		2730	int fd;
		2731	#if HAVE_TIMERFD
		2732	fd = timerfd_create (clockid, flags);
		2733	#else
		2734	fd = (errno = ENOSYS, -1);
		2735	#endif
		2736
		2737	XPUSHs (newmortalFH (fd, O_RDWR));
		2738	}
		2739
		2740	void
		2741	timerfd_settime (SV *fh, int flags, NV interval, NV value)
		2742	PPCODE:
		2743	{
		2744	int fd = s_fileno_croak (fh, 0);
		2745	#if HAVE_TIMERFD
		2746	int res;
		2747	struct itimerspec its, ots;
		2748
		2749	ts_set (&its.it_interval, interval);
		2750	ts_set (&its.it_value , value);
		2751	res = timerfd_settime (fd, flags, &its, &ots);
		2752
		2753	if (!res)
		2754	{
		2755	EXTEND (SP, 2);
		2756	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2757	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2758	}
		2759	#else
		2760	errno = ENOSYS;
		2761	#endif
		2762	}
		2763
		2764	void
		2765	timerfd_gettime (SV *fh)
		2766	PPCODE:
		2767	{
		2768	int fd = s_fileno_croak (fh, 0);
		2769	#if HAVE_TIMERFD
		2770	int res;
		2771	struct itimerspec ots;
		2772	res = timerfd_gettime (fd, &ots);
		2773
		2774	if (!res)
		2775	{
		2776	EXTEND (SP, 2);
		2777	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2778	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2779	}
		2780	#else
		2781	errno = ENOSYS;
		2782	#endif
		2783	}
		2784
		2785	void
		2786	memfd_create (SV8 *pathname, int flags = 0)
		2787	PPCODE:
		2788	{
		2789	int fd;
		2790	#if HAVE_MEMFD_CREATE
		2791	fd = memfd_create (SvPVbyte_nolen (pathname), flags);
		2792	#else
		2793	fd = (errno = ENOSYS, -1);
		2794	#endif
		2795
		2796	XPUSHs (newmortalFH (fd, O_RDWR));
		2797	}
		2798
		2799	UV
		2800	get_fdlimit ()
		2801	CODE:
		2802	#if HAVE_RLIMITS
		2803	struct rlimit rl;
		2804	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2805	XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
		2806	#endif
		2807	XSRETURN_UNDEF;
		2808	OUTPUT:
		2809	RETVAL
		2810
		2811	void
		2812	min_fdlimit (UV limit = 0x7fffffffU)
		2813	CODE:
		2814	{
		2815	#if HAVE_RLIMITS
		2816	struct rlimit rl;
		2817	rlim_t orig_rlim_max;
		2818	UV bit;
		2819
		2820	if (0 != getrlimit (RLIMIT_NOFILE, &rl))
		2821	goto fail;
		2822
		2823	if (rl.rlim_cur == RLIM_INFINITY)
		2824	XSRETURN_YES;
		2825
		2826	orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
		2827
		2828	if (rl.rlim_cur < limit)
		2829	{
		2830	rl.rlim_cur = limit;
		2831
		2832	if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
		2833	rl.rlim_max = rl.rlim_cur;
		2834	}
		2835
		2836	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2837	XSRETURN_YES;
		2838
		2839	if (errno == EPERM)
		2840	{
		2841	/* setrlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
		2842	/* our limit overflows a system-wide limit */
		2843	/* try an adaptive algorithm, but do not lower the hardlimit */
		2844	rl.rlim_max = 0;
		2845	for (bit = 0x40000000U; bit; bit >>= 1)
		2846	{
		2847	rl.rlim_max |= bit;
		2848	rl.rlim_cur = rl.rlim_max;
		2849
		2850	/* never decrease the hard limit */
		2851	if (rl.rlim_max < orig_rlim_max)
		2852	break;
		2853
		2854	if (0 != setrlimit (RLIMIT_NOFILE, &rl))
		2855	rl.rlim_max &= ~bit; /* too high, remove bit again */
		2856	}
		2857
		2858	/* now, raise the soft limit to the max permitted */
		2859	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2860	{
		2861	rl.rlim_cur = rl.rlim_max;
		2862	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2863	errno = EPERM;
		2864	}
		2865	}
		2866	#endif
		2867	fail:
		2868	XSRETURN_UNDEF;
		2869	}
1871		2870
1872	void _on_next_submit (SV *cb)	2871	void _on_next_submit (SV *cb)
1873	CODE:	2872	CODE:
1874	SvREFCNT_dec (on_next_submit);	2873	SvREFCNT_dec (on_next_submit);
1875	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	2874	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
…		…
1910	cancel (aio_req_ornot req)	2909	cancel (aio_req_ornot req)
1911	CODE:	2910	CODE:
1912	eio_cancel (req);	2911	eio_cancel (req);
1913		2912
1914	void	2913	void
1915	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	2914	cb (aio_req_ornot req, SV *callback = NO_INIT)
1916	PPCODE:	2915	PPCODE:
1917	{	2916	{
1918	if (GIMME_V != G_VOID)	2917	if (GIMME_V != G_VOID)
1919	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	2918	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1920		2919
1921	if (items > 1)	2920	if (items > 1)
1922	{	2921	{
1923	SV *cb_cv =get_cb (callback);	2922	SV *cb_cv = get_cb (callback);
1924		2923
1925	SvREFCNT_dec (req->callback);	2924	SvREFCNT_dec (req->callback);
1926	req->callback = SvREFCNT_inc (cb_cv);	2925	req->callback = SvREFCNT_inc (cb_cv);
1927	}	2926	}
1928	}	2927	}
…		…
1985	limit (aio_req grp, int limit)	2984	limit (aio_req grp, int limit)
1986	CODE:	2985	CODE:
1987	eio_grp_limit (grp, limit);	2986	eio_grp_limit (grp, limit);
1988		2987
1989	void	2988	void
1990	feed (aio_req grp, SV *callback=&PL_sv_undef)	2989	feed (aio_req grp, SV *callback = &PL_sv_undef)
1991	CODE:	2990	CODE:
1992	{	2991	{
1993	SvREFCNT_dec (grp->sv2);	2992	SvREFCNT_dec (grp->sv2);
1994	grp->sv2 = newSVsv (callback);	2993	grp->sv2 = newSVsv (callback);
1995	grp->feed = aio_grp_feed;	2994	grp->feed = aio_grp_feed;

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