[ViewVC] Diff of: cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.213 by root, Tue Apr 10 05:01:33 2012 UTC vs.
Revision 1.252 by root, Sat Jan 6 02:11:10 2018 UTC

…		…
19		19
20	#if _POSIX_MEMLOCK \|\| _POSIX_MEMLOCK_RANGE \|\| _POSIX_MAPPED_FILES	20	#if _POSIX_MEMLOCK \|\| _POSIX_MEMLOCK_RANGE \|\| _POSIX_MAPPED_FILES
21	# include <sys/mman.h>	21	# include <sys/mman.h>
22	#endif	22	#endif
23		23
24	#if __linux__	24	/* the incompetent fool that created musl keeps __linux__, refuses
		25	* to implement any linux standard apis, and also has no way to test
		26	* for his broken iplementation. don't complain to me if this fails
		27	* for you.
		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
…		…
99	#define expect_false(expr) expect ((expr) != 0, 0)	104	#define expect_false(expr) expect ((expr) != 0, 0)
100	#define expect_true(expr) expect ((expr) != 0, 1)	105	#define expect_true(expr) expect ((expr) != 0, 1)
101		106
102	/*****************************************************************************/	107	/*****************************************************************************/
103		108
		109	#include "libeio/config.h"
		110
		111	#if HAVE_RLIMITS
		112	#include <sys/time.h>
		113	#include <sys/resource.h>
		114	#endif
		115
104	typedef SV SV8; /* byte-sv, used for argument-checking */	116	typedef SV SV8; /* byte-sv, used for argument-checking */
105	typedef int aio_rfd; /* read file desriptor */	117	typedef int aio_rfd; /* read file desriptor */
106	typedef int aio_wfd; /* write file descriptor */	118	typedef int aio_wfd; /* write file descriptor */
107		119
108	static HV aio_stash, aio_req_stash, aio_grp_stash, aio_wd_stash;	120	static HV aio_stash, aio_req_stash, aio_grp_stash, aio_wd_stash;
…		…
114	STRLEN stroffset; \	126	STRLEN stroffset; \
115	SV *self;	127	SV *self;
116		128
117	#define EIO_NO_WRAPPERS 1	129	#define EIO_NO_WRAPPERS 1
118		130
119	#include "libeio/config.h"
120	#include "libeio/eio.h"	131	#include "libeio/eio.h"
121		132
122	static int req_invoke (eio_req *req);	133	static int req_invoke (eio_req *req);
123	#define EIO_FINISH(req) req_invoke (req)	134	#define EIO_FINISH(req) req_invoke (req)
124	static void req_destroy (eio_req *grp);	135	static void req_destroy (eio_req *grp);
…		…
141	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	152	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
142	# endif	153	# endif
143	#endif	154	#endif
144		155
145	/* defines all sorts of constants to 0 unless they are already defined */	156	/* defines all sorts of constants to 0 unless they are already defined */
		157	/* also provides const_iv_ and const_niv_ macros for them */
146	#include "def0.h"	158	#include "def0.h"
147		159
148	#ifndef makedev	160	#ifndef makedev
149	# define makedev(maj,min) (((maj) << 8) \| (min))	161	# define makedev(maj,min) (((maj) << 8) \| (min))
150	#endif	162	#endif
…		…
153	#endif	165	#endif
154	#ifndef minor	166	#ifndef minor
155	# define minor(dev) ((dev) & 0xff)	167	# define minor(dev) ((dev) & 0xff)
156	#endif	168	#endif
157		169
158	#ifndef PAGESIZE	170	#if PAGESIZE <= 0
159	# define PAGESIZE sysconf (_SC_PAGESIZE)	171	# define PAGESIZE sysconf (_SC_PAGESIZE)
160	#endif	172	#endif
		173
		174	/*****************************************************************************/
		175
		176	#if !_POSIX_MAPPED_FILES
		177	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
		178	# define munmap(addr,length) EIO_ENOSYS ()
		179	#endif
		180
		181	#if !_POSIX_MEMORY_PROTECTION
		182	# define mprotect(addr,len,prot) EIO_ENOSYS ()
		183	#endif
		184
		185	#define FOREIGN_MAGIC PERL_MAGIC_ext
		186
		187	static int ecb_cold
		188	mmap_free (pTHX_ SV sv, MAGIC mg)
		189	{
		190	int old_errno = errno;
		191	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		192	errno = old_errno;
		193
		194	mg->mg_obj = 0; /* just in case */
		195
		196	SvREADONLY_off (sv);
		197
		198	if (SvPVX (sv) != mg->mg_ptr)
		199	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		200
		201	SvCUR_set (sv, 0);
		202	SvPVX (sv) = 0;
		203	SvOK_off (sv);
		204
		205	return 0;
		206	}
		207
		208	static MGVTBL mmap_vtbl = {
		209	0, 0, 0, 0, mmap_free
		210	};
		211
		212	static int ecb_cold
		213	sysfree_free (pTHX_ SV sv, MAGIC mg)
		214	{
		215	free (mg->mg_ptr);
		216	mg->mg_obj = 0; /* just in case */
		217
		218	SvREADONLY_off (sv);
		219
		220	if (SvPVX (sv) != mg->mg_ptr)
		221	croak ("ERROR: IO::AIO mapped scalar changed location, detected");
		222
		223	SvCUR_set (sv, 0);
		224	SvPVX (sv) = 0;
		225	SvOK_off (sv);
		226
		227	return 0;
		228	}
		229
		230	static MGVTBL sysfree_vtbl = {
		231	0, 0, 0, 0, sysfree_free
		232	};
		233
		234	/*****************************************************************************/
		235
		236	/* helper: set scalar to foreign ptr with custom free */
		237	static void
		238	sv_set_foreign (SV sv, const MGVTBL const vtbl, void *addr, IV length)
		239	{
		240	sv_force_normal (sv);
		241
		242	/* we store the length in mg_obj, as namlen is I32 :/ */
		243	sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
		244	->mg_obj = (SV *)length;
		245
		246	SvUPGRADE (sv, SVt_PV); /* nop... */
		247
		248	if (SvLEN (sv))
		249	Safefree (SvPVX (sv));
		250
		251	SvPVX (sv) = (char *)addr;
		252	SvCUR_set (sv, length);
		253	SvLEN_set (sv, 0);
		254	SvPOK_only (sv);
		255	}
		256
		257	static void
		258	sv_clear_foreign (SV *sv)
		259	{
		260	/* todo: iterate over magic and only free ours, but of course */
		261	/* the perl5porters will call that (correct) behaviour buggy */
		262	sv_unmagic (sv, FOREIGN_MAGIC);
		263	}
161		264
162	/*****************************************************************************/	265	/*****************************************************************************/
163		266
164	static void	267	static void
165	fiemap (eio_req *req)	268	fiemap (eio_req *req)
166	{	269	{
167	req->result = -1;	270	req->result = -1;
168		271
169	#if HAVE_FIEMAP	272	#if HAVE_FIEMAP
		273	/* assume some c99 */
		274	struct fiemap *fiemap = 0;
		275	size_t end_offset;
170	int count = req->int3;	276	int count = req->int3;
171		277
172	/* heuristic: first try with 64 extents if we don't know how many, */	278	req->flags \|= EIO_FLAG_PTR1_FREE;
173	/* as most files have (hopefully) fewer than this many extents */	279
174	/* in fact, most should have <= 2, so maybe the 72 below is probably overkill */	280	/* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
		281	/* increase in 3.5kb steps */
175	if (count < 0)	282	if (count < 0)
176	count = 72; /* for what it's worth, 72 extents fit nicely into 4kb */	283	count = 8;
		284
		285	fiemap = malloc (sizeof (fiemap) + sizeof (struct fiemap_extent) count);
		286	errno = ENOMEM;
		287	if (!fiemap)
		288	return;
		289
		290	req->ptr1 = fiemap;
		291
		292	fiemap->fm_start = req->offs;
		293	fiemap->fm_length = req->size;
		294	fiemap->fm_flags = req->int2;
		295	fiemap->fm_extent_count = count;
		296
		297	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
		298	return;
		299
		300	if (req->int3 >= 0 /* not autosizing */
		301	\|\| !fiemap->fm_mapped_extents /* no more extents */
		302	\|\| fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
		303	goto done;
		304
		305	/* else we have to loop -
		306	* it would be tempting (actually I tried that first) to just query the
		307	* number of extents needed, but linux often feels like not returning all
		308	* extents, without telling us it left any out. this complicates
		309	* this quite a bit.
		310	*/
		311
		312	end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
177		313
178	for (;;)	314	for (;;)
179	{	315	{
		316	/* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
		317	char scratch[3072];
		318	struct fiemap incmap = (struct fiemap )scratch;
		319
		320	incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
		321	+ fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
		322	incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
		323	incmap->fm_flags = fiemap->fm_flags;
		324	incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
		325
		326	if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
		327	return;
		328
		329	if (!incmap->fm_mapped_extents)
		330	goto done;
		331
		332	count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
180	struct fiemap fiemap = malloc (sizeof (fiemap) + sizeof (struct fiemap_extent) * count);	333	fiemap = realloc (fiemap, sizeof (fiemap) + sizeof (struct fiemap_extent) count);
181	errno = ENOMEM;	334	errno = ENOMEM;
182	if (!fiemap)	335	if (!fiemap)
183	return;	336	return;
184		337
185	req->ptr1 = fiemap;	338	req->ptr1 = fiemap;
186	req->flags \|= EIO_FLAG_PTR1_FREE;
187		339
188	fiemap->fm_start = req->offs;	340	for (count = 0; count < incmap->fm_mapped_extents; ++count)
189	fiemap->fm_length = req->size;	341	{
190	fiemap->fm_flags = req->int2;	342	struct fiemap_extent *e = incmap->fm_extents + count;
191	fiemap->fm_extent_count = count;
192		343
193	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap))	344	if (e->fe_logical + e->fe_length >= end_offset)
194	return;	345	goto done;
195		346
196	if (req->int3 >= 0)	347	fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
197	break; /* when not autosizing we are done */
198		348
199	if (fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST)	349	if (e->fe_flags & FIEMAP_EXTENT_LAST)
200	break; /* autosizing successful, we are done */	350	goto done;
201		351
202	fiemap->fm_flags = req->int2;	352	}
203	fiemap->fm_extent_count = 0;
204
205	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap))
206	return;
207
208	count = fiemap->fm_mapped_extents;
209
210	free (fiemap);
211	}	353	}
212		354
		355	done:
213	req->result = 0;	356	req->result = 0;
214		357
215	#else	358	#else
216	errno = ENOSYS;	359	errno = ENOSYS;
217	#endif	360	#endif
…		…
264	}	407	}
265		408
266	static SV *	409	static SV *
267	newSVaio_wd (aio_wd wd)	410	newSVaio_wd (aio_wd wd)
268	{	411	{
269	return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash);	412	return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
270	}	413	}
271		414
272	static aio_req	415	static aio_req
273	SvAIO_REQ (SV *sv)	416	SvAIO_REQ (SV *sv)
274	{	417	{
…		…
293	\|\| SvTYPE (SvRV (sv)) != SVt_PVMG	436	\|\| SvTYPE (SvRV (sv)) != SVt_PVMG
294	\|\| SvSTASH (SvRV (sv)) != aio_wd_stash)	437	\|\| SvSTASH (SvRV (sv)) != aio_wd_stash)
295	croak ("IO::AIO: expected a working directory object as returned by aio_wd");	438	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
296		439
297	return (aio_wd)(long)SvIVX (SvRV (sv));	440	return (aio_wd)(long)SvIVX (SvRV (sv));
		441	}
		442
		443	static SV *
		444	newmortalFH (int fd, int flags)
		445	{
		446	if (fd < 0)
		447	return &PL_sv_undef;
		448
		449	GV gv = (GV )sv_newmortal ();
		450	char sym[64];
		451	int symlen;
		452
		453	symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
		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	fd
		462	);
		463
		464	return do_open (gv, sym, symlen, 0, 0, 0, 0)
		465	? (SV *)gv : &PL_sv_undef;
298	}	466	}
299		467
300	static void	468	static void
301	aio_grp_feed (aio_req grp)	469	aio_grp_feed (aio_req grp)
302	{	470	{
…		…
430	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 \| EIO_READDIR_CUSTOM2))));	598	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 \| EIO_READDIR_CUSTOM2))));
431	}	599	}
432	break;	600	break;
433		601
434	case EIO_OPEN:	602	case EIO_OPEN:
435	{	603	PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR)));
436	/* convert fd to fh */
437	SV *fh = &PL_sv_undef;
438
439	if (req->result >= 0)
440	{
441	GV gv = (GV )sv_newmortal ();
442	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);
443	char sym [64];
444	int symlen;
445
446	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
447	gv_init (gv, aio_stash, sym, symlen, 0);
448
449	symlen = snprintf (
450	sym,
451	sizeof (sym),
452	"%s&=%d",
453	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
454	(int)req->result
455	);
456
457	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
458	fh = (SV *)gv;
459	}
460
461	PUSHs (fh);
462	}
463	break;	604	break;
464		605
465	case EIO_STATVFS:	606	case EIO_STATVFS:
466	case EIO_FSTATVFS:	607	case EIO_FSTATVFS:
467	{	608	{
…		…
470	#ifndef _WIN32	611	#ifndef _WIN32
471	if (req->result >= 0)	612	if (req->result >= 0)
472	{	613	{
473	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	614	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
474	HV *hv = newHV ();	615	HV *hv = newHV ();
		616	/* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
		617	* chooses to make it a struct.
		618	*/
		619	unsigned long fsid = 0;
		620	memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
475		621
476	rv = sv_2mortal (newRV_noinc ((SV *)hv));	622	rv = sv_2mortal (newRV_noinc ((SV *)hv));
477		623
478	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);	624	hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
479	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);	625	hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
…		…
481	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);	627	hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
482	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);	628	hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
483	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);	629	hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
484	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);	630	hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
485	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);	631	hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
486	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);	632	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
487	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);	633	hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
488	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);	634	hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
489	}	635	}
490	#endif	636	#endif
491		637
…		…
542	SvSETMAGIC (req->sv2);	688	SvSETMAGIC (req->sv2);
543	PUSHs (sv_result);	689	PUSHs (sv_result);
544	}	690	}
545	break;	691	break;
546		692
		693	case EIO_SLURP:
		694	{
		695	if (req->result >= 0)
		696	{
		697	/* if length was originally not known, we steal the malloc'ed memory */
		698	if (req->flags & EIO_FLAG_PTR2_FREE)
		699	{
		700	req->flags &= ~EIO_FLAG_PTR2_FREE;
		701	sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
		702	}
		703	else
		704	{
		705	SvCUR_set (req->sv2, req->result);
		706	*SvEND (req->sv2) = 0;
		707	SvPOK_only (req->sv2);
		708	}
		709
		710	SvSETMAGIC (req->sv2);
		711	}
		712
		713	PUSHs (sv_result);
		714	}
		715	break;
		716
547	case EIO_CUSTOM:	717	case EIO_CUSTOM:
548	if (req->feed == fiemap)	718	if (req->feed == fiemap)
549	{	719	{
550	#if HAVE_FIEMAP	720	#if HAVE_FIEMAP
551	if (!req->result)	721	if (!req->result)
…		…
656	{	826	{
657	while (eio_nreqs ())	827	while (eio_nreqs ())
658	{	828	{
659	int size;	829	int size;
660		830
661	X_LOCK (reslock);	831	X_LOCK (EIO_POOL->reslock);
662	size = res_queue.size;	832	size = EIO_POOL->res_queue.size;
663	X_UNLOCK (reslock);	833	X_UNLOCK (EIO_POOL->reslock);
664		834
665	if (size)	835	if (size)
666	return;	836	return;
667		837
668	etp_maybe_start_thread ();	838	etp_maybe_start_thread (EIO_POOL);
669		839
670	s_epipe_wait (&respipe);	840	s_epipe_wait (&respipe);
671	}	841	}
672	}	842	}
673		843
…		…
694	create_respipe ();	864	create_respipe ();
695		865
696	if (eio_init (want_poll, done_poll) < 0)	866	if (eio_init (want_poll, done_poll) < 0)
697	croak ("IO::AIO: unable to initialise eio library");	867	croak ("IO::AIO: unable to initialise eio library");
698	}	868	}
699
700	/*****************************************************************************/
701
702	#if !_POSIX_MAPPED_FILES
703	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
704	# define munmap(addr,length) EIO_ENOSYS ()
705	#endif
706
707	#if !_POSIX_MEMORY_PROTECTION
708	# define mprotect(addr,len,prot) EIO_ENOSYS ()
709	# define PROT_NONE 0
710	# define PROT_WRITE 0
711	# define MAP_PRIVATE 0
712	# define MAP_SHARED 0
713	# define MAP_FIXED 0
714	#endif
715
716	#define MMAP_MAGIC PERL_MAGIC_ext
717
718	static int ecb_cold
719	mmap_free (pTHX_ SV sv, MAGIC mg)
720	{
721	int old_errno = errno;
722	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
723	errno = old_errno;
724
725	mg->mg_obj = 0; /* just in case */
726
727	SvREADONLY_off (sv);
728
729	if (SvPVX (sv) != mg->mg_ptr)
730	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
731
732	SvCUR_set (sv, 0);
733	SvPVX (sv) = 0;
734	SvOK_off (sv);
735
736	return 0;
737	}
738
739	static MGVTBL mmap_vtbl = {
740	0, 0, 0, 0, mmap_free
741	};
742		869
743	/*****************************************************************************/	870	/*****************************************************************************/
744		871
745	static SV *	872	static SV *
746	get_cb (SV *cb_sv)	873	get_cb (SV *cb_sv)
…		…
858	} *civ, const_iv[] = {	985	} *civ, const_iv[] = {
859	# define const_niv(name, value) { # name, (IV) value },	986	# define const_niv(name, value) { # name, (IV) value },
860	# define const_iv(name) { # name, (IV) name },	987	# define const_iv(name) { # name, (IV) name },
861	# define const_eio(name) { # name, (IV) EIO_ ## name },	988	# define const_eio(name) { # name, (IV) EIO_ ## name },
862		989
863	/* you have to re-run ./gendef0 after adding/Removing any constants here */	990	/* you have to re-run ./gendef0 after adding/removing any constants here */
864		991	/* the first block can be undef if missing */
865	const_iv (ENOSYS)	992	const_iv (ENOSYS)
866	const_iv (EXDEV)	993	const_iv (EXDEV)
867	const_iv (EBADR)	994	const_iv (EBADR)
868		995
		996	/* for lseek */
		997	const_iv (SEEK_DATA)
		998	const_iv (SEEK_HOLE)
		999
		1000	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
		1001	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		1002	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
		1003	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		1004	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		1005	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		1006
		1007	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		1008	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		1009	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		1010	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		1011	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		1012
		1013	/* the second block will be 0 when missing */
869	const_iv (O_RDONLY)	1014	const_iv (O_RDONLY)
870	const_iv (O_WRONLY)	1015	const_iv (O_WRONLY)
871	const_iv (O_RDWR)	1016	const_iv (O_RDWR)
872	const_iv (O_CREAT)	1017	const_iv (O_CREAT)
873	const_iv (O_TRUNC)	1018	const_iv (O_TRUNC)
…		…
886	const_iv (O_SEARCH)	1031	const_iv (O_SEARCH)
887	const_iv (O_DIRECTORY)	1032	const_iv (O_DIRECTORY)
888	const_iv (O_DSYNC)	1033	const_iv (O_DSYNC)
889	const_iv (O_RSYNC)	1034	const_iv (O_RSYNC)
890	const_iv (O_SYNC)	1035	const_iv (O_SYNC)
		1036	const_iv (O_PATH)
		1037	const_iv (O_TMPFILE)
891	const_iv (O_TTY_INIT)	1038	const_iv (O_TTY_INIT)
892		1039
893	const_iv (S_IFIFO)	1040	const_iv (S_IFIFO)
894	const_iv (S_IFCHR)	1041	const_iv (S_IFCHR)
895	const_iv (S_IFBLK)	1042	const_iv (S_IFBLK)
…		…
897	const_iv (S_IFREG)	1044	const_iv (S_IFREG)
898	const_iv (S_IFDIR)	1045	const_iv (S_IFDIR)
899	const_iv (S_IFWHT)	1046	const_iv (S_IFWHT)
900	const_iv (S_IFSOCK)	1047	const_iv (S_IFSOCK)
901	const_iv (S_IFMT)	1048	const_iv (S_IFMT)
902
903	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
904	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
905	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
906	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
907	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
908	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
909
910	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
911	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
912	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
913	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
914	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
915		1049
916	const_iv (ST_RDONLY)	1050	const_iv (ST_RDONLY)
917	const_iv (ST_NOSUID)	1051	const_iv (ST_NOSUID)
918	const_iv (ST_NODEV)	1052	const_iv (ST_NODEV)
919	const_iv (ST_NOEXEC)	1053	const_iv (ST_NOEXEC)
…		…
929	const_iv (PROT_NONE)	1063	const_iv (PROT_NONE)
930	const_iv (PROT_EXEC)	1064	const_iv (PROT_EXEC)
931	const_iv (PROT_READ)	1065	const_iv (PROT_READ)
932	const_iv (PROT_WRITE)	1066	const_iv (PROT_WRITE)
933		1067
934	/const_iv (MAP_FIXED)/
935	const_iv (MAP_PRIVATE)	1068	const_iv (MAP_PRIVATE)
936	const_iv (MAP_SHARED)	1069	const_iv (MAP_SHARED)
		1070	const_iv (MAP_FIXED)
937	const_iv (MAP_ANONYMOUS)	1071	const_iv (MAP_ANONYMOUS)
938		1072
939	/* linuxish */	1073	/* linuxish */
940	const_iv (MAP_HUGETLB)
941	const_iv (MAP_LOCKED)	1074	const_iv (MAP_LOCKED)
942	const_iv (MAP_NORESERVE)	1075	const_iv (MAP_NORESERVE)
943	const_iv (MAP_POPULATE)	1076	const_iv (MAP_POPULATE)
944	const_iv (MAP_NONBLOCK)	1077	const_iv (MAP_NONBLOCK)
		1078	const_iv (MAP_GROWSDOWN)
		1079	const_iv (MAP_32BIT)
		1080	const_iv (MAP_HUGETLB)
		1081	const_iv (MAP_STACK)
		1082
		1083	const_iv (F_DUPFD_CLOEXEC)
		1084
		1085	const_iv (F_OFD_GETLK)
		1086	const_iv (F_OFD_SETLK)
		1087	const_iv (F_OFD_GETLKW)
		1088
		1089	const_iv (FIFREEZE)
		1090	const_iv (FITHAW)
		1091	const_iv (FITRIM)
		1092	const_iv (FICLONE)
		1093	const_iv (FICLONERANGE)
		1094	const_iv (FIDEDUPERANGE)
		1095
		1096	const_iv (FS_IOC_GETFLAGS)
		1097	const_iv (FS_IOC_SETFLAGS)
		1098	const_iv (FS_IOC_GETVERSION)
		1099	const_iv (FS_IOC_SETVERSION)
		1100	const_iv (FS_IOC_FIEMAP)
		1101	const_iv (FS_IOC_FSGETXATTR)
		1102	const_iv (FS_IOC_FSSETXATTR)
		1103	const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
		1104	const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
		1105	const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
		1106
		1107	const_iv (FS_KEY_DESCRIPTOR_SIZE)
		1108
		1109	const_iv (FS_SECRM_FL)
		1110	const_iv (FS_UNRM_FL)
		1111	const_iv (FS_COMPR_FL)
		1112	const_iv (FS_SYNC_FL)
		1113	const_iv (FS_IMMUTABLE_FL)
		1114	const_iv (FS_APPEND_FL)
		1115	const_iv (FS_NODUMP_FL)
		1116	const_iv (FS_NOATIME_FL)
		1117	const_iv (FS_DIRTY_FL)
		1118	const_iv (FS_COMPRBLK_FL)
		1119	const_iv (FS_NOCOMP_FL)
		1120	const_iv (FS_ENCRYPT_FL)
		1121	const_iv (FS_BTREE_FL)
		1122	const_iv (FS_INDEX_FL)
		1123	const_iv (FS_JOURNAL_DATA_FL)
		1124	const_iv (FS_NOTAIL_FL)
		1125	const_iv (FS_DIRSYNC_FL)
		1126	const_iv (FS_TOPDIR_FL)
		1127	const_iv (FS_FL_USER_MODIFIABLE)
		1128
		1129	const_iv (FS_XFLAG_REALTIME)
		1130	const_iv (FS_XFLAG_PREALLOC)
		1131	const_iv (FS_XFLAG_IMMUTABLE)
		1132	const_iv (FS_XFLAG_APPEND)
		1133	const_iv (FS_XFLAG_SYNC)
		1134	const_iv (FS_XFLAG_NOATIME)
		1135	const_iv (FS_XFLAG_NODUMP)
		1136	const_iv (FS_XFLAG_RTINHERIT)
		1137	const_iv (FS_XFLAG_PROJINHERIT)
		1138	const_iv (FS_XFLAG_NOSYMLINKS)
		1139	const_iv (FS_XFLAG_EXTSIZE)
		1140	const_iv (FS_XFLAG_EXTSZINHERIT)
		1141	const_iv (FS_XFLAG_NODEFRAG)
		1142	const_iv (FS_XFLAG_FILESTREAM)
		1143	const_iv (FS_XFLAG_DAX)
		1144	const_iv (FS_XFLAG_HASATTR)
945		1145
946	const_iv (FIEMAP_FLAG_SYNC)	1146	const_iv (FIEMAP_FLAG_SYNC)
947	const_iv (FIEMAP_FLAG_XATTR)	1147	const_iv (FIEMAP_FLAG_XATTR)
948	const_iv (FIEMAP_FLAGS_COMPAT)	1148	const_iv (FIEMAP_FLAGS_COMPAT)
949	const_iv (FIEMAP_EXTENT_LAST)	1149	const_iv (FIEMAP_EXTENT_LAST)
…		…
961	const_iv (SPLICE_F_MOVE)	1161	const_iv (SPLICE_F_MOVE)
962	const_iv (SPLICE_F_NONBLOCK)	1162	const_iv (SPLICE_F_NONBLOCK)
963	const_iv (SPLICE_F_MORE)	1163	const_iv (SPLICE_F_MORE)
964	const_iv (SPLICE_F_GIFT)	1164	const_iv (SPLICE_F_GIFT)
965		1165
966	const_iv (SEEK_DATA)	1166	/* these are libeio constants, and are independent of gendef0 */
967	const_iv (SEEK_HOLE)
968
969	/* libeio constants */
970	const_eio (SEEK_SET)	1167	const_eio (SEEK_SET)
971	const_eio (SEEK_CUR)	1168	const_eio (SEEK_CUR)
972	const_eio (SEEK_END)	1169	const_eio (SEEK_END)
973		1170
974	const_eio (MCL_FUTURE)	1171	const_eio (MCL_FUTURE)
…		…
983	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)	1180	const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
984	const_eio (SYNC_FILE_RANGE_WRITE)	1181	const_eio (SYNC_FILE_RANGE_WRITE)
985	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1182	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
986		1183
987	const_eio (FALLOC_FL_KEEP_SIZE)	1184	const_eio (FALLOC_FL_KEEP_SIZE)
		1185	const_eio (FALLOC_FL_PUNCH_HOLE)
		1186	const_eio (FALLOC_FL_COLLAPSE_RANGE)
		1187	const_eio (FALLOC_FL_ZERO_RANGE)
		1188	const_eio (FALLOC_FL_INSERT_RANGE)
		1189	const_eio (FALLOC_FL_UNSHARE_RANGE)
		1190
		1191	const_eio (RENAME_NOREPLACE)
		1192	const_eio (RENAME_EXCHANGE)
		1193	const_eio (RENAME_WHITEOUT)
988		1194
989	const_eio (READDIR_DENTS)	1195	const_eio (READDIR_DENTS)
990	const_eio (READDIR_DIRS_FIRST)	1196	const_eio (READDIR_DIRS_FIRST)
991	const_eio (READDIR_STAT_ORDER)	1197	const_eio (READDIR_STAT_ORDER)
992	const_eio (READDIR_FOUND_UNKNOWN)	1198	const_eio (READDIR_FOUND_UNKNOWN)
…		…
1060	PROTOTYPE: $	1266	PROTOTYPE: $
1061	CODE:	1267	CODE:
1062	max_outstanding = maxreqs;	1268	max_outstanding = maxreqs;
1063		1269
1064	void	1270	void
1065	aio_wd (SV8 pathname, SV callback=&PL_sv_undef)	1271	aio_wd (SV8 pathname, SV callback = &PL_sv_undef)
1066	PPCODE:	1272	PPCODE:
1067	{	1273	{
1068	dREQ;	1274	dREQ;
1069		1275
1070	req->type = EIO_WD_OPEN;	1276	req->type = EIO_WD_OPEN;
…		…
1072		1278
1073	REQ_SEND;	1279	REQ_SEND;
1074	}	1280	}
1075		1281
1076	void	1282	void
1077	aio_open (SV8 pathname, int flags, int mode, SV callback=&PL_sv_undef)	1283	aio_open (SV8 pathname, int flags, int mode, SV callback = &PL_sv_undef)
1078	PPCODE:	1284	PPCODE:
1079	{	1285	{
1080	dREQ;	1286	dREQ;
1081		1287
1082	req->type = EIO_OPEN;	1288	req->type = EIO_OPEN;
…		…
1086		1292
1087	REQ_SEND;	1293	REQ_SEND;
1088	}	1294	}
1089		1295
1090	void	1296	void
1091	aio_fsync (SV fh, SV callback=&PL_sv_undef)	1297	aio_fsync (SV fh, SV callback = &PL_sv_undef)
1092	ALIAS:	1298	ALIAS:
1093	aio_fsync = EIO_FSYNC	1299	aio_fsync = EIO_FSYNC
1094	aio_fdatasync = EIO_FDATASYNC	1300	aio_fdatasync = EIO_FDATASYNC
1095	aio_syncfs = EIO_SYNCFS	1301	aio_syncfs = EIO_SYNCFS
1096	PPCODE:	1302	PPCODE:
1097	{	1303	{
1098	int fd = s_fileno_croak (fh, 0);	1304	int fd = s_fileno_croak (fh, 0);
1099	dREQ;	1305	dREQ;
1100		1306
1101	req->type = ix;	1307	req->type = ix;
1102	req->sv1 = newSVsv (fh);	1308	req->sv1 = newSVsv (fh);
1103	req->int1 = fd;	1309	req->int1 = fd;
1104		1310
1105	REQ_SEND;	1311	REQ_SEND;
1106	}	1312	}
1107		1313
1108	void	1314	void
1109	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback=&PL_sv_undef)	1315	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback = &PL_sv_undef)
1110	PPCODE:	1316	PPCODE:
1111	{	1317	{
1112	int fd = s_fileno_croak (fh, 0);	1318	int fd = s_fileno_croak (fh, 0);
1113	dREQ;	1319	dREQ;
1114		1320
1115	req->type = EIO_SYNC_FILE_RANGE;	1321	req->type = EIO_SYNC_FILE_RANGE;
1116	req->sv1 = newSVsv (fh);	1322	req->sv1 = newSVsv (fh);
1117	req->int1 = fd;	1323	req->int1 = fd;
…		…
1121		1327
1122	REQ_SEND;	1328	REQ_SEND;
1123	}	1329	}
1124		1330
1125	void	1331	void
1126	aio_fallocate (SV fh, int mode, off_t offset, size_t len, SV callback=&PL_sv_undef)	1332	aio_allocate (SV fh, int mode, off_t offset, size_t len, SV callback = &PL_sv_undef)
1127	PPCODE:	1333	PPCODE:
1128	{	1334	{
1129	int fd = s_fileno_croak (fh, 0);	1335	int fd = s_fileno_croak (fh, 0);
1130	dREQ;	1336	dREQ;
1131		1337
1132	req->type = EIO_FALLOCATE;	1338	req->type = EIO_FALLOCATE;
1133	req->sv1 = newSVsv (fh);	1339	req->sv1 = newSVsv (fh);
1134	req->int1 = fd;	1340	req->int1 = fd;
…		…
1138		1344
1139	REQ_SEND;	1345	REQ_SEND;
1140	}	1346	}
1141		1347
1142	void	1348	void
1143	aio_close (SV fh, SV callback=&PL_sv_undef)	1349	aio_close (SV fh, SV callback = &PL_sv_undef)
1144	PPCODE:	1350	PPCODE:
1145	{	1351	{
1146	static int close_fd = -1; /* dummy fd to close fds via dup2 */	1352	static int close_fd = -1; /* dummy fd to close fds via dup2 */
1147	int fd = s_fileno_croak (fh, 0);	1353	int fd = s_fileno_croak (fh, 0);
1148	dREQ;	1354	dREQ;
1149		1355
1150	if (expect_false (close_fd < 0))	1356	if (expect_false (close_fd < 0))
1151	{	1357	{
1152	int pipefd [2];	1358	int pipefd [2];
…		…
1172		1378
1173	REQ_SEND;	1379	REQ_SEND;
1174	}	1380	}
1175		1381
1176	void	1382	void
1177	aio_seek (SV fh, SV offset, int whence, SV *callback=&PL_sv_undef)	1383	aio_seek (SV fh, SV offset, int whence, SV *callback = &PL_sv_undef)
1178	PPCODE:	1384	PPCODE:
1179	{	1385	{
1180	int fd = s_fileno_croak (fh, 0);	1386	int fd = s_fileno_croak (fh, 0);
1181	dREQ;	1387	dREQ;
1182		1388
…		…
1188		1394
1189	REQ_SEND;	1395	REQ_SEND;
1190	}	1396	}
1191		1397
1192	void	1398	void
1193	aio_read (SV fh, SV offset, SV length, SV8 data, IV dataoffset, SV *callback=&PL_sv_undef)	1399	aio_read (SV fh, SV offset, SV length, SV8 data, IV dataoffset, SV *callback = &PL_sv_undef)
1194	ALIAS:	1400	ALIAS:
1195	aio_read = EIO_READ	1401	aio_read = EIO_READ
1196	aio_write = EIO_WRITE	1402	aio_write = EIO_WRITE
1197	PPCODE:	1403	PPCODE:
1198	{	1404	{
…		…
1214	len = svlen - dataoffset;	1420	len = svlen - dataoffset;
1215	}	1421	}
1216	else	1422	else
1217	{	1423	{
1218	/* read: check type and grow scalar as necessary */	1424	/* read: check type and grow scalar as necessary */
1219	SvUPGRADE (data, SVt_PV);	1425	if (!SvPOK (data) \|\| SvLEN (data) >= SvCUR (data))
1220	svptr = SvGROW (data, len + dataoffset + 1);	1426	svptr = sv_grow (data, len + dataoffset + 1);
		1427	else if (SvCUR (data) < len + dataoffset)
		1428	croak ("length + dataoffset outside of scalar, and cannot grow");
1221	}	1429	}
1222		1430
1223	{	1431	{
1224	dREQ;	1432	dREQ;
1225		1433
…		…
1241	REQ_SEND;	1449	REQ_SEND;
1242	}	1450	}
1243	}	1451	}
1244		1452
1245	void	1453	void
		1454	aio_ioctl (SV fh, unsigned long request, SV8 arg, SV *callback = &PL_sv_undef)
		1455	ALIAS:
		1456	aio_ioctl = EIO_IOCTL
		1457	aio_fcntl = EIO_FCNTL
		1458	PPCODE:
		1459	{
		1460	int fd = s_fileno_croak (fh, 0);
		1461	char *svptr;
		1462
		1463	if (SvPOK (arg) \|\| !SvNIOK (arg))
		1464	{
		1465	STRLEN svlen;
		1466	/* perl uses IOCPARM_LEN for fcntl, so we do, too */
		1467	#ifdef IOCPARM_LEN
		1468	STRLEN need = IOCPARM_LEN (request);
		1469	#else
		1470	STRLEN need = 256;
		1471	#endif
		1472
		1473	if (svlen < need)
		1474	svptr = SvGROW (arg, need);
		1475	}
		1476	else
		1477	svptr = (char *)SvIV (arg);
		1478
		1479	{
		1480	dREQ;
		1481
		1482	req->type = ix;
		1483	req->sv1 = newSVsv (fh);
		1484	req->int1 = fd;
		1485	req->int2 = (long)request;
		1486	req->sv2 = SvREFCNT_inc (arg);
		1487	req->ptr2 = svptr;
		1488
		1489	REQ_SEND;
		1490	}
		1491	}
		1492
		1493	void
1246	aio_readlink (SV8 pathname, SV callback=&PL_sv_undef)	1494	aio_readlink (SV8 pathname, SV callback = &PL_sv_undef)
1247	ALIAS:	1495	ALIAS:
1248	aio_readlink = EIO_READLINK	1496	aio_readlink = EIO_READLINK
1249	aio_realpath = EIO_REALPATH	1497	aio_realpath = EIO_REALPATH
1250	PPCODE:	1498	PPCODE:
1251	{	1499	{
…		…
1256		1504
1257	REQ_SEND;	1505	REQ_SEND;
1258	}	1506	}
1259		1507
1260	void	1508	void
1261	aio_sendfile (SV out_fh, SV in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1509	aio_sendfile (SV out_fh, SV in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1262	PPCODE:	1510	PPCODE:
1263	{	1511	{
1264	int ifd = s_fileno_croak (in_fh , 0);	1512	int ifd = s_fileno_croak (in_fh , 0);
1265	int ofd = s_fileno_croak (out_fh, 1);	1513	int ofd = s_fileno_croak (out_fh, 1);
1266	dREQ;	1514	dREQ;
1267		1515
1268	req->type = EIO_SENDFILE;	1516	req->type = EIO_SENDFILE;
1269	req->sv1 = newSVsv (out_fh);	1517	req->sv1 = newSVsv (out_fh);
1270	req->int1 = ofd;	1518	req->int1 = ofd;
…		…
1275		1523
1276	REQ_SEND;	1524	REQ_SEND;
1277	}	1525	}
1278		1526
1279	void	1527	void
1280	aio_readahead (SV fh, off_t offset, size_t length, SV callback=&PL_sv_undef)	1528	aio_readahead (SV fh, off_t offset, size_t length, SV callback = &PL_sv_undef)
1281	PPCODE:	1529	PPCODE:
1282	{	1530	{
1283	int fd = s_fileno_croak (fh, 0);	1531	int fd = s_fileno_croak (fh, 0);
1284	dREQ;	1532	dREQ;
1285		1533
1286	req->type = EIO_READAHEAD;	1534	req->type = EIO_READAHEAD;
1287	req->sv1 = newSVsv (fh);	1535	req->sv1 = newSVsv (fh);
1288	req->int1 = fd;	1536	req->int1 = fd;
…		…
1291		1539
1292	REQ_SEND;	1540	REQ_SEND;
1293	}	1541	}
1294		1542
1295	void	1543	void
1296	aio_stat (SV8 fh_or_path, SV callback=&PL_sv_undef)	1544	aio_stat (SV8 fh_or_path, SV callback = &PL_sv_undef)
1297	ALIAS:	1545	ALIAS:
1298	aio_stat = EIO_STAT	1546	aio_stat = EIO_STAT
1299	aio_lstat = EIO_LSTAT	1547	aio_lstat = EIO_LSTAT
1300	aio_statvfs = EIO_STATVFS	1548	aio_statvfs = EIO_STATVFS
1301	PPCODE:	1549	PPCODE:
…		…
1310	UV	1558	UV
1311	major (UV dev)	1559	major (UV dev)
1312	ALIAS:	1560	ALIAS:
1313	minor = 1	1561	minor = 1
1314	CODE:	1562	CODE:
1315	RETVAL = ix ? major (dev) : minor (dev);	1563	RETVAL = ix ? minor (dev) : major (dev);
1316	OUTPUT:	1564	OUTPUT:
1317	RETVAL	1565	RETVAL
1318		1566
1319	UV	1567	UV
1320	makedev (UV maj, UV min)	1568	makedev (UV maj, UV min)
…		…
1322	RETVAL = makedev (maj, min);	1570	RETVAL = makedev (maj, min);
1323	OUTPUT:	1571	OUTPUT:
1324	RETVAL	1572	RETVAL
1325		1573
1326	void	1574	void
1327	aio_utime (SV8 fh_or_path, SV atime, SV mtime, SV callback=&PL_sv_undef)	1575	aio_utime (SV8 fh_or_path, SV atime, SV mtime, SV callback = &PL_sv_undef)
1328	PPCODE:	1576	PPCODE:
1329	{	1577	{
1330	dREQ;	1578	dREQ;
1331		1579
1332	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1580	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
…		…
1335		1583
1336	REQ_SEND;	1584	REQ_SEND;
1337	}	1585	}
1338		1586
1339	void	1587	void
1340	aio_truncate (SV8 fh_or_path, SV offset, SV *callback=&PL_sv_undef)	1588	aio_truncate (SV8 fh_or_path, SV offset, SV *callback = &PL_sv_undef)
1341	PPCODE:	1589	PPCODE:
1342	{	1590	{
1343	dREQ;	1591	dREQ;
1344		1592
1345	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1593	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
…		…
1347		1595
1348	REQ_SEND;	1596	REQ_SEND;
1349	}	1597	}
1350		1598
1351	void	1599	void
1352	aio_chmod (SV8 fh_or_path, int mode, SV callback=&PL_sv_undef)	1600	aio_chmod (SV8 fh_or_path, int mode, SV callback = &PL_sv_undef)
1353	PPCODE:	1601	PPCODE:
1354	{	1602	{
1355	dREQ;	1603	dREQ;
1356		1604
1357	req->int2 = mode;	1605	req->int2 = mode;
…		…
1359		1607
1360	REQ_SEND;	1608	REQ_SEND;
1361	}	1609	}
1362		1610
1363	void	1611	void
1364	aio_chown (SV8 fh_or_path, SV uid, SV gid, SV callback=&PL_sv_undef)	1612	aio_chown (SV8 fh_or_path, SV uid, SV gid, SV callback = &PL_sv_undef)
1365	PPCODE:	1613	PPCODE:
1366	{	1614	{
1367	dREQ;	1615	dREQ;
1368		1616
1369	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1617	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
…		…
1372		1620
1373	REQ_SEND;	1621	REQ_SEND;
1374	}	1622	}
1375		1623
1376	void	1624	void
1377	aio_readdirx (SV8 pathname, IV flags, SV callback=&PL_sv_undef)	1625	aio_readdirx (SV8 pathname, IV flags, SV callback = &PL_sv_undef)
1378	PPCODE:	1626	PPCODE:
1379	{	1627	{
1380	dREQ;	1628	dREQ;
1381		1629
1382	req->type = EIO_READDIR;	1630	req->type = EIO_READDIR;
…		…
1389		1637
1390	REQ_SEND;	1638	REQ_SEND;
1391	}	1639	}
1392		1640
1393	void	1641	void
1394	aio_mkdir (SV8 pathname, int mode, SV callback=&PL_sv_undef)	1642	aio_mkdir (SV8 pathname, int mode, SV callback = &PL_sv_undef)
1395	PPCODE:	1643	PPCODE:
1396	{	1644	{
1397	dREQ;	1645	dREQ;
1398		1646
1399	req->type = EIO_MKDIR;	1647	req->type = EIO_MKDIR;
…		…
1402		1650
1403	REQ_SEND;	1651	REQ_SEND;
1404	}	1652	}
1405		1653
1406	void	1654	void
1407	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)	1655	aio_unlink (SV8 pathname, SV callback = &PL_sv_undef)
1408	ALIAS:	1656	ALIAS:
1409	aio_unlink = EIO_UNLINK	1657	aio_unlink = EIO_UNLINK
1410	aio_rmdir = EIO_RMDIR	1658	aio_rmdir = EIO_RMDIR
1411	aio_readdir = EIO_READDIR	1659	aio_readdir = EIO_READDIR
1412	PPCODE:	1660	PPCODE:
…		…
1418		1666
1419	REQ_SEND;	1667	REQ_SEND;
1420	}	1668	}
1421		1669
1422	void	1670	void
1423	aio_link (SV8 oldpath, SV8 newpath, SV *callback=&PL_sv_undef)	1671	aio_link (SV8 oldpath, SV8 newpath, SV *callback = &PL_sv_undef)
1424	ALIAS:	1672	ALIAS:
1425	aio_link = EIO_LINK	1673	aio_link = EIO_LINK
1426	aio_symlink = EIO_SYMLINK	1674	aio_symlink = EIO_SYMLINK
1427	aio_rename = EIO_RENAME	1675	aio_rename = EIO_RENAME
1428	PPCODE:	1676	PPCODE:
…		…
1437		1685
1438	REQ_SEND;	1686	REQ_SEND;
1439	}	1687	}
1440		1688
1441	void	1689	void
		1690	aio_rename2 (SV8 oldpath, SV8 newpath, int flags = 0, SV *callback = &PL_sv_undef)
		1691	PPCODE:
		1692	{
		1693	eio_wd wd2 = 0;
		1694	dREQ;
		1695
		1696	req->type = EIO_RENAME;
		1697	req_set_path1 (req, oldpath);
		1698	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
		1699	req->int2 = flags;
		1700	req->int3 = (long)wd2;
		1701
		1702	REQ_SEND;
		1703	}
		1704
		1705	void
1442	aio_mknod (SV8 pathname, int mode, UV dev, SV callback=&PL_sv_undef)	1706	aio_mknod (SV8 pathname, int mode, UV dev, SV callback = &PL_sv_undef)
1443	PPCODE:	1707	PPCODE:
1444	{	1708	{
1445	dREQ;	1709	dREQ;
1446		1710
1447	req->type = EIO_MKNOD;	1711	req->type = EIO_MKNOD;
…		…
1451		1715
1452	REQ_SEND;	1716	REQ_SEND;
1453	}	1717	}
1454		1718
1455	void	1719	void
1456	aio_mtouch (SV8 data, IV offset = 0, SV length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1720	aio_mtouch (SV8 data, IV offset = 0, SV length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1457	ALIAS:	1721	ALIAS:
1458	aio_mtouch = EIO_MTOUCH	1722	aio_mtouch = EIO_MTOUCH
1459	aio_msync = EIO_MSYNC	1723	aio_msync = EIO_MSYNC
1460	PPCODE:	1724	PPCODE:
1461	{	1725	{
1462	STRLEN svlen;	1726	STRLEN svlen;
1463	char *svptr = SvPVbyte (data, svlen);	1727	char *svptr = SvPVbyte (data, svlen);
1464	UV len = SvUV (length);	1728	UV len = SvUV (length);
		1729
		1730	if (flags < 0)
		1731	flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1465		1732
1466	if (offset < 0)	1733	if (offset < 0)
1467	offset += svlen;	1734	offset += svlen;
1468		1735
1469	if (offset < 0 \|\| offset > svlen)	1736	if (offset < 0 \|\| offset > svlen)
…		…
1484	REQ_SEND;	1751	REQ_SEND;
1485	}	1752	}
1486	}	1753	}
1487		1754
1488	void	1755	void
1489	aio_mlock (SV8 data, IV offset = 0, SV length = &PL_sv_undef, SV *callback=&PL_sv_undef)	1756	aio_mlock (SV8 data, IV offset = 0, SV length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1490	PPCODE:	1757	PPCODE:
1491	{	1758	{
1492	STRLEN svlen;	1759	STRLEN svlen;
1493	char *svptr = SvPVbyte (data, svlen);	1760	char *svptr = SvPVbyte (data, svlen);
1494	UV len = SvUV (length);	1761	UV len = SvUV (length);
…		…
1513	REQ_SEND;	1780	REQ_SEND;
1514	}	1781	}
1515	}	1782	}
1516		1783
1517	void	1784	void
1518	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)	1785	aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1519	PPCODE:	1786	PPCODE:
1520	{	1787	{
1521	dREQ;	1788	dREQ;
1522		1789
1523	req->type = EIO_MLOCKALL;	1790	req->type = EIO_MLOCKALL;
…		…
1525		1792
1526	REQ_SEND;	1793	REQ_SEND;
1527	}	1794	}
1528		1795
1529	void	1796	void
1530	aio_fiemap (SV fh, off_t start, SV length, U32 flags, SV count, SV callback=&PL_sv_undef)	1797	aio_fiemap (SV fh, off_t start, SV length, U32 flags, SV count, SV callback = &PL_sv_undef)
1531	PPCODE:	1798	PPCODE:
1532	{	1799	{
1533	int fd = s_fileno_croak (fh, 0);	1800	int fd = s_fileno_croak (fh, 0);
1534	dREQ;	1801	dREQ;
1535		1802
1536	req->type = EIO_CUSTOM;	1803	req->type = EIO_CUSTOM;
1537	req->sv1 = newSVsv (fh);	1804	req->sv1 = newSVsv (fh);
1538	req->int1 = fd;	1805	req->int1 = fd;
…		…
1548		1815
1549	REQ_SEND;	1816	REQ_SEND;
1550	}	1817	}
1551		1818
1552	void	1819	void
		1820	aio_slurp (SV pathname, off_t offset, UV length, SV8 data, SV *callback = &PL_sv_undef)
		1821	PPCODE:
		1822	{
		1823	char *svptr = 0;
		1824
		1825	sv_clear_foreign (data);
		1826
		1827	if (length) /* known length, directly read into scalar */
		1828	{
		1829	if (!SvPOK (data) \|\| SvLEN (data) >= SvCUR (data))
		1830	svptr = sv_grow (data, length + 1);
		1831	else if (SvCUR (data) < length)
		1832	croak ("length outside of scalar, and cannot grow");
		1833	else
		1834	svptr = SvPVbyte_nolen (data);
		1835	}
		1836
		1837	{
		1838	dREQ;
		1839
		1840	req->type = EIO_SLURP;
		1841	req_set_path1 (req, pathname);
		1842	req->offs = offset;
		1843	req->size = length;
		1844	req->sv2 = SvREFCNT_inc (data);
		1845	req->ptr2 = svptr;
		1846
		1847	if (!SvREADONLY (data))
		1848	{
		1849	SvREADONLY_on (data);
		1850	req->flags \|= FLAG_SV2_RO_OFF;
		1851	}
		1852
		1853	REQ_SEND;
		1854	}
		1855	}
		1856
		1857	void
1553	aio_busy (double delay, SV *callback=&PL_sv_undef)	1858	aio_busy (double delay, SV *callback = &PL_sv_undef)
1554	PPCODE:	1859	PPCODE:
1555	{	1860	{
1556	dREQ;	1861	dREQ;
1557		1862
1558	req->type = EIO_BUSY;	1863	req->type = EIO_BUSY;
…		…
1560		1865
1561	REQ_SEND;	1866	REQ_SEND;
1562	}	1867	}
1563		1868
1564	void	1869	void
1565	aio_group (SV *callback=&PL_sv_undef)	1870	aio_group (SV *callback = &PL_sv_undef)
1566	PPCODE:	1871	PPCODE:
1567	{	1872	{
1568	dREQ;	1873	dREQ;
1569		1874
1570	req->type = EIO_GROUP;	1875	req->type = EIO_GROUP;
1571		1876
		1877	PUTBACK;
1572	req_submit (req);	1878	req_submit (req);
		1879	SPAGAIN;
		1880
1573	XPUSHs (req_sv (req, aio_grp_stash));	1881	XPUSHs (req_sv (req, aio_grp_stash));
1574	}	1882	}
1575		1883
1576	void	1884	void
1577	aio_nop (SV *callback=&PL_sv_undef)	1885	aio_nop (SV *callback = &PL_sv_undef)
1578	ALIAS:	1886	ALIAS:
1579	aio_nop = EIO_NOP	1887	aio_nop = EIO_NOP
1580	aio_sync = EIO_SYNC	1888	aio_sync = EIO_SYNC
1581	PPCODE:	1889	PPCODE:
1582	{	1890	{
…		…
1586		1894
1587	REQ_SEND;	1895	REQ_SEND;
1588	}	1896	}
1589		1897
1590	int	1898	int
1591	aioreq_pri (int pri = 0)	1899	aioreq_pri (int pri = NO_INIT)
1592	CODE:	1900	CODE:
1593	RETVAL = next_pri;	1901	RETVAL = next_pri;
1594	if (items > 0)	1902	if (items > 0)
1595	{	1903	{
1596	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1904	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1686	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1994	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1687	OUTPUT:	1995	OUTPUT:
1688	RETVAL	1996	RETVAL
1689		1997
1690	void	1998	void
1691	mmap (SV scalar, size_t length, int prot, int flags, SV fh, off_t offset = 0)	1999	mmap (SV scalar, STRLEN length, int prot, int flags, SV fh = &PL_sv_undef, off_t offset = 0)
1692	PPCODE:	2000	PPCODE:
1693	sv_unmagic (scalar, MMAP_MAGIC);	2001	sv_clear_foreign (scalar);
1694	{	2002	{
1695	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	2003	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1696	void addr = (void )mmap (0, length, prot, flags, fd, offset);	2004	void addr = (void )mmap (0, length, prot, flags, fd, offset);
1697	if (addr == (void *)-1)	2005	if (addr == (void *)-1)
1698	XSRETURN_NO;	2006	XSRETURN_NO;
1699		2007
1700	sv_force_normal (scalar);	2008	sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1701
1702	/* we store the length in mg_obj, as namlen is I32 :/ */
1703	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1704	->mg_obj = (SV *)length;
1705
1706	SvUPGRADE (scalar, SVt_PV); /* nop... */
1707		2009
1708	if (!(prot & PROT_WRITE))	2010	if (!(prot & PROT_WRITE))
1709	SvREADONLY_on (scalar);	2011	SvREADONLY_on (scalar);
1710		2012
1711	if (SvLEN (scalar))
1712	Safefree (SvPVX (scalar));
1713
1714	SvPVX (scalar) = (char *)addr;
1715	SvCUR_set (scalar, length);
1716	SvLEN_set (scalar, 0);
1717	SvPOK_only (scalar);
1718
1719	XSRETURN_YES;	2013	XSRETURN_YES;
1720	}	2014	}
1721		2015
1722	void	2016	void
1723	munmap (SV *scalar)	2017	munmap (SV *scalar)
1724	CODE:	2018	CODE:
1725	sv_unmagic (scalar, MMAP_MAGIC);	2019	sv_clear_foreign (scalar);
1726		2020
1727	int	2021	int
1728	madvise (SV scalar, off_t offset = 0, SV length = &PL_sv_undef, IV advice_or_prot)	2022	madvise (SV scalar, STRLEN offset = 0, SV length = &PL_sv_undef, IV advice_or_prot)
1729	ALIAS:	2023	ALIAS:
1730	mprotect = 1	2024	mprotect = 1
1731	CODE:	2025	CODE:
1732	{	2026	{
1733	STRLEN svlen;	2027	STRLEN svlen;
1734	void *addr = SvPVbyte (scalar, svlen);	2028	void *addr = SvPVbyte (scalar, svlen);
1735	size_t len = SvUV (length);	2029	STRLEN len = SvUV (length);
1736		2030
1737	if (offset < 0)	2031	if (offset < 0)
1738	offset += svlen;	2032	offset += svlen;
1739		2033
1740	if (offset < 0 \|\| offset > svlen)	2034	if (offset < 0 \|\| offset > svlen)
…		…
1754	}	2048	}
1755	OUTPUT:	2049	OUTPUT:
1756	RETVAL	2050	RETVAL
1757		2051
1758	int	2052	int
1759	munlock (SV scalar, off_t offset = 0, SV length = &PL_sv_undef)	2053	munlock (SV scalar, STRLEN offset = 0, SV length = &PL_sv_undef)
1760	CODE:	2054	CODE:
1761	{	2055	{
1762	STRLEN svlen;	2056	STRLEN svlen;
1763	void *addr = SvPVbyte (scalar, svlen);	2057	void *addr = SvPVbyte (scalar, svlen);
1764	size_t len = SvUV (length);	2058	size_t len = SvUV (length);
1765		2059
1766	if (offset < 0)	2060	if (offset < 0)
1767	offset += svlen;	2061	offset += svlen;
1768		2062
…		…
1820	#else	2114	#else
1821	RETVAL = EIO_ENOSYS ();	2115	RETVAL = EIO_ENOSYS ();
1822	#endif	2116	#endif
1823	OUTPUT:	2117	OUTPUT:
1824	RETVAL	2118	RETVAL
		2119
		2120	int
		2121	pipesize (aio_rfd rfh, int new_size = -1)
		2122	PROTOTYPE: $;$
		2123	CODE:
		2124	#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
		2125	if (new_size >= 0)
		2126	RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
		2127	else
		2128	RETVAL = fcntl (rfh, F_GETPIPE_SZ);
		2129	#else
		2130	errno = ENOSYS;
		2131	RETVAL = -1;
		2132	#endif
		2133	OUTPUT:
		2134	RETVAL
		2135
		2136	void
		2137	pipe2 (int flags = 0)
		2138	PROTOTYPE: ;$
		2139	PPCODE:
		2140	{
		2141	int fd[2];
		2142	int res;
		2143
		2144	if (flags)
		2145	#if HAVE_PIPE2
		2146	res = pipe2 (fd, flags);
		2147	#else
		2148	res = (errno = ENOSYS, -1);
		2149	#endif
		2150	else
		2151	res = pipe (fd);
		2152
		2153	if (!res)
		2154	{
		2155	EXTEND (SP, 2);
		2156	PUSHs (newmortalFH (fd[0], O_RDONLY));
		2157	PUSHs (newmortalFH (fd[1], O_WRONLY));
		2158	}
		2159	}
		2160
		2161	UV
		2162	get_fdlimit ()
		2163	CODE:
		2164	#if HAVE_RLIMITS
		2165	struct rlimit rl;
		2166	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2167	XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
		2168	#endif
		2169	XSRETURN_UNDEF;
		2170	OUTPUT:
		2171	RETVAL
		2172
		2173	void
		2174	min_fdlimit (UV limit = 0x7fffffffU)
		2175	CODE:
		2176	{
		2177	#if HAVE_RLIMITS
		2178	struct rlimit rl;
		2179	rlim_t orig_rlim_max;
		2180	UV bit;
		2181
		2182	if (0 != getrlimit (RLIMIT_NOFILE, &rl))
		2183	goto fail;
		2184
		2185	if (rl.rlim_cur == RLIM_INFINITY)
		2186	XSRETURN_YES;
		2187
		2188	orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
		2189
		2190	if (rl.rlim_cur < limit)
		2191	{
		2192	rl.rlim_cur = limit;
		2193
		2194	if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
		2195	rl.rlim_max = rl.rlim_cur;
		2196	}
		2197
		2198	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2199	XSRETURN_YES;
		2200
		2201	if (errno == EPERM)
		2202	{
		2203	/* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
		2204	/* our limit overflows a system-wide limit */
		2205	/* try an adaptive algorithm, but do not lower the hardlimit */
		2206	rl.rlim_max = 0;
		2207	for (bit = 0x40000000U; bit; bit >>= 1)
		2208	{
		2209	rl.rlim_max \|= bit;
		2210	rl.rlim_cur = rl.rlim_max;
		2211
		2212	/* nevr decrease the hard limit */
		2213	if (rl.rlim_max < orig_rlim_max)
		2214	break;
		2215
		2216	if (0 != setrlimit (RLIMIT_NOFILE, &rl))
		2217	rl.rlim_max &= ~bit; /* too high, remove bit again */
		2218	}
		2219
		2220	/* now, raise the soft limit to the max permitted */
		2221	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2222	{
		2223	rl.rlim_cur = rl.rlim_max;
		2224	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2225	errno = EPERM;
		2226	}
		2227	}
		2228	#endif
		2229	fail:
		2230	XSRETURN_UNDEF;
		2231	}
1825		2232
1826	void _on_next_submit (SV *cb)	2233	void _on_next_submit (SV *cb)
1827	CODE:	2234	CODE:
1828	SvREFCNT_dec (on_next_submit);	2235	SvREFCNT_dec (on_next_submit);
1829	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	2236	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
…		…
1864	cancel (aio_req_ornot req)	2271	cancel (aio_req_ornot req)
1865	CODE:	2272	CODE:
1866	eio_cancel (req);	2273	eio_cancel (req);
1867		2274
1868	void	2275	void
1869	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	2276	cb (aio_req_ornot req, SV *callback = NO_INIT)
1870	PPCODE:	2277	PPCODE:
1871	{	2278	{
1872	if (GIMME_V != G_VOID)	2279	if (GIMME_V != G_VOID)
1873	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	2280	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1874		2281
1875	if (items > 1)	2282	if (items > 1)
1876	{	2283	{
1877	SV *cb_cv =get_cb (callback);	2284	SV *cb_cv = get_cb (callback);
1878		2285
1879	SvREFCNT_dec (req->callback);	2286	SvREFCNT_dec (req->callback);
1880	req->callback = SvREFCNT_inc (cb_cv);	2287	req->callback = SvREFCNT_inc (cb_cv);
1881	}	2288	}
1882	}	2289	}
…		…
1939	limit (aio_req grp, int limit)	2346	limit (aio_req grp, int limit)
1940	CODE:	2347	CODE:
1941	eio_grp_limit (grp, limit);	2348	eio_grp_limit (grp, limit);
1942		2349
1943	void	2350	void
1944	feed (aio_req grp, SV *callback=&PL_sv_undef)	2351	feed (aio_req grp, SV *callback = &PL_sv_undef)
1945	CODE:	2352	CODE:
1946	{	2353	{
1947	SvREFCNT_dec (grp->sv2);	2354	SvREFCNT_dec (grp->sv2);
1948	grp->sv2 = newSVsv (callback);	2355	grp->sv2 = newSVsv (callback);
1949	grp->feed = aio_grp_feed;	2356	grp->feed = aio_grp_feed;

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Comparing IO-AIO/AIO.xs (file contents): Revision 1.213 by root, Tue Apr 10 05:01:33 2012 UTC vs. Revision 1.252 by root, Sat Jan 6 02:11:10 2018 UTC

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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.213 by root, Tue Apr 10 05:01:33 2012 UTC vs.
Revision 1.252 by root, Sat Jan 6 02:11:10 2018 UTC