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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.219 by root, Fri Jul 27 18:43:25 2012 UTC vs.
Revision 1.251 by root, Sat Jan 6 01:04:42 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 72 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 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_mapped_extents < count)	349	if (e->fe_flags & FIEMAP_EXTENT_LAST)
200	/* either autosizing succeeded,	350	goto done;
201	* or the file had no extents
202	* or we luckily had enough space */
203	break;
204		351
205	/* some kernels overwrite fm_length, so just reset everything */	352	}
206	fiemap->fm_start = req->offs;
207	fiemap->fm_length = req->size;
208	fiemap->fm_flags = req->int2;
209	fiemap->fm_extent_count = 0;
210
211	if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap))
212	return;
213
214	/* to work around a kernel bug, we allocate one more */
215	count = fiemap->fm_mapped_extents + 1;
216
217	free (fiemap);
218	}	353	}
219		354
		355	done:
220	req->result = 0;	356	req->result = 0;
221		357
222	#else	358	#else
223	errno = ENOSYS;	359	errno = ENOSYS;
224	#endif	360	#endif
…		…
271	}	407	}
272		408
273	static SV *	409	static SV *
274	newSVaio_wd (aio_wd wd)	410	newSVaio_wd (aio_wd wd)
275	{	411	{
276	return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash);	412	return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
277	}	413	}
278		414
279	static aio_req	415	static aio_req
280	SvAIO_REQ (SV *sv)	416	SvAIO_REQ (SV *sv)
281	{	417	{
…		…
300	\|\| SvTYPE (SvRV (sv)) != SVt_PVMG	436	\|\| SvTYPE (SvRV (sv)) != SVt_PVMG
301	\|\| SvSTASH (SvRV (sv)) != aio_wd_stash)	437	\|\| SvSTASH (SvRV (sv)) != aio_wd_stash)
302	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");
303		439
304	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;
305	}	466	}
306		467
307	static void	468	static void
308	aio_grp_feed (aio_req grp)	469	aio_grp_feed (aio_req grp)
309	{	470	{
…		…
437	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))));
438	}	599	}
439	break;	600	break;
440		601
441	case EIO_OPEN:	602	case EIO_OPEN:
442	{	603	PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR)));
443	/* convert fd to fh */
444	SV *fh = &PL_sv_undef;
445
446	if (req->result >= 0)
447	{
448	GV gv = (GV )sv_newmortal ();
449	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);
450	char sym [64];
451	int symlen;
452
453	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
454	gv_init (gv, aio_stash, sym, symlen, 0);
455
456	symlen = snprintf (
457	sym,
458	sizeof (sym),
459	"%s&=%d",
460	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
461	(int)req->result
462	);
463
464	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
465	fh = (SV *)gv;
466	}
467
468	PUSHs (fh);
469	}
470	break;	604	break;
471		605
472	case EIO_STATVFS:	606	case EIO_STATVFS:
473	case EIO_FSTATVFS:	607	case EIO_FSTATVFS:
474	{	608	{
…		…
477	#ifndef _WIN32	611	#ifndef _WIN32
478	if (req->result >= 0)	612	if (req->result >= 0)
479	{	613	{
480	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);	614	EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
481	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));
482		621
483	rv = sv_2mortal (newRV_noinc ((SV *)hv));	622	rv = sv_2mortal (newRV_noinc ((SV *)hv));
484		623
485	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);
486	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);
…		…
488	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);
489	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);
490	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);
491	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);
492	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);
493	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);	632	hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
494	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);
495	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);
496	}	635	}
497	#endif	636	#endif
498		637
…		…
549	SvSETMAGIC (req->sv2);	688	SvSETMAGIC (req->sv2);
550	PUSHs (sv_result);	689	PUSHs (sv_result);
551	}	690	}
552	break;	691	break;
553		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	SvCUR_set (req->sv2, req->result);
		705	}
		706
		707	PUSHs (sv_result);
		708	}
		709	break;
		710
554	case EIO_CUSTOM:	711	case EIO_CUSTOM:
555	if (req->feed == fiemap)	712	if (req->feed == fiemap)
556	{	713	{
557	#if HAVE_FIEMAP	714	#if HAVE_FIEMAP
558	if (!req->result)	715	if (!req->result)
…		…
663	{	820	{
664	while (eio_nreqs ())	821	while (eio_nreqs ())
665	{	822	{
666	int size;	823	int size;
667		824
668	X_LOCK (reslock);	825	X_LOCK (EIO_POOL->reslock);
669	size = res_queue.size;	826	size = EIO_POOL->res_queue.size;
670	X_UNLOCK (reslock);	827	X_UNLOCK (EIO_POOL->reslock);
671		828
672	if (size)	829	if (size)
673	return;	830	return;
674		831
675	etp_maybe_start_thread ();	832	etp_maybe_start_thread (EIO_POOL);
676		833
677	s_epipe_wait (&respipe);	834	s_epipe_wait (&respipe);
678	}	835	}
679	}	836	}
680		837
…		…
701	create_respipe ();	858	create_respipe ();
702		859
703	if (eio_init (want_poll, done_poll) < 0)	860	if (eio_init (want_poll, done_poll) < 0)
704	croak ("IO::AIO: unable to initialise eio library");	861	croak ("IO::AIO: unable to initialise eio library");
705	}	862	}
706
707	/*****************************************************************************/
708
709	#if !_POSIX_MAPPED_FILES
710	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
711	# define munmap(addr,length) EIO_ENOSYS ()
712	#endif
713
714	#if !_POSIX_MEMORY_PROTECTION
715	# define mprotect(addr,len,prot) EIO_ENOSYS ()
716	# define PROT_NONE 0
717	# define PROT_WRITE 0
718	# define MAP_PRIVATE 0
719	# define MAP_SHARED 0
720	# define MAP_FIXED 0
721	#endif
722
723	#define MMAP_MAGIC PERL_MAGIC_ext
724
725	static int ecb_cold
726	mmap_free (pTHX_ SV sv, MAGIC mg)
727	{
728	int old_errno = errno;
729	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
730	errno = old_errno;
731
732	mg->mg_obj = 0; /* just in case */
733
734	SvREADONLY_off (sv);
735
736	if (SvPVX (sv) != mg->mg_ptr)
737	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
738
739	SvCUR_set (sv, 0);
740	SvPVX (sv) = 0;
741	SvOK_off (sv);
742
743	return 0;
744	}
745
746	static MGVTBL mmap_vtbl = {
747	0, 0, 0, 0, mmap_free
748	};
749		863
750	/*****************************************************************************/	864	/*****************************************************************************/
751		865
752	static SV *	866	static SV *
753	get_cb (SV *cb_sv)	867	get_cb (SV *cb_sv)
…		…
865	} *civ, const_iv[] = {	979	} *civ, const_iv[] = {
866	# define const_niv(name, value) { # name, (IV) value },	980	# define const_niv(name, value) { # name, (IV) value },
867	# define const_iv(name) { # name, (IV) name },	981	# define const_iv(name) { # name, (IV) name },
868	# define const_eio(name) { # name, (IV) EIO_ ## name },	982	# define const_eio(name) { # name, (IV) EIO_ ## name },
869		983
870	/* you have to re-run ./gendef0 after adding/Removing any constants here */	984	/* you have to re-run ./gendef0 after adding/removing any constants here */
871		985	/* the first block can be undef if missing */
872	const_iv (ENOSYS)	986	const_iv (ENOSYS)
873	const_iv (EXDEV)	987	const_iv (EXDEV)
874	const_iv (EBADR)	988	const_iv (EBADR)
875		989
		990	/* for lseek */
		991	const_iv (SEEK_DATA)
		992	const_iv (SEEK_HOLE)
		993
		994	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
		995	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		996	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
		997	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		998	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		999	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		1000
		1001	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		1002	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		1003	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		1004	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		1005	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		1006
		1007	/* the second block will be 0 when missing */
876	const_iv (O_RDONLY)	1008	const_iv (O_RDONLY)
877	const_iv (O_WRONLY)	1009	const_iv (O_WRONLY)
878	const_iv (O_RDWR)	1010	const_iv (O_RDWR)
879	const_iv (O_CREAT)	1011	const_iv (O_CREAT)
880	const_iv (O_TRUNC)	1012	const_iv (O_TRUNC)
…		…
893	const_iv (O_SEARCH)	1025	const_iv (O_SEARCH)
894	const_iv (O_DIRECTORY)	1026	const_iv (O_DIRECTORY)
895	const_iv (O_DSYNC)	1027	const_iv (O_DSYNC)
896	const_iv (O_RSYNC)	1028	const_iv (O_RSYNC)
897	const_iv (O_SYNC)	1029	const_iv (O_SYNC)
		1030	const_iv (O_PATH)
		1031	const_iv (O_TMPFILE)
898	const_iv (O_TTY_INIT)	1032	const_iv (O_TTY_INIT)
899		1033
900	const_iv (S_IFIFO)	1034	const_iv (S_IFIFO)
901	const_iv (S_IFCHR)	1035	const_iv (S_IFCHR)
902	const_iv (S_IFBLK)	1036	const_iv (S_IFBLK)
…		…
904	const_iv (S_IFREG)	1038	const_iv (S_IFREG)
905	const_iv (S_IFDIR)	1039	const_iv (S_IFDIR)
906	const_iv (S_IFWHT)	1040	const_iv (S_IFWHT)
907	const_iv (S_IFSOCK)	1041	const_iv (S_IFSOCK)
908	const_iv (S_IFMT)	1042	const_iv (S_IFMT)
909
910	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
911	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
912	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
913	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
914	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
915	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
916
917	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
918	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
919	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
920	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
921	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
922		1043
923	const_iv (ST_RDONLY)	1044	const_iv (ST_RDONLY)
924	const_iv (ST_NOSUID)	1045	const_iv (ST_NOSUID)
925	const_iv (ST_NODEV)	1046	const_iv (ST_NODEV)
926	const_iv (ST_NOEXEC)	1047	const_iv (ST_NOEXEC)
…		…
936	const_iv (PROT_NONE)	1057	const_iv (PROT_NONE)
937	const_iv (PROT_EXEC)	1058	const_iv (PROT_EXEC)
938	const_iv (PROT_READ)	1059	const_iv (PROT_READ)
939	const_iv (PROT_WRITE)	1060	const_iv (PROT_WRITE)
940		1061
941	/const_iv (MAP_FIXED)/
942	const_iv (MAP_PRIVATE)	1062	const_iv (MAP_PRIVATE)
943	const_iv (MAP_SHARED)	1063	const_iv (MAP_SHARED)
		1064	const_iv (MAP_FIXED)
944	const_iv (MAP_ANONYMOUS)	1065	const_iv (MAP_ANONYMOUS)
945		1066
946	/* linuxish */	1067	/* linuxish */
947	const_iv (MAP_HUGETLB)
948	const_iv (MAP_LOCKED)	1068	const_iv (MAP_LOCKED)
949	const_iv (MAP_NORESERVE)	1069	const_iv (MAP_NORESERVE)
950	const_iv (MAP_POPULATE)	1070	const_iv (MAP_POPULATE)
951	const_iv (MAP_NONBLOCK)	1071	const_iv (MAP_NONBLOCK)
		1072	const_iv (MAP_GROWSDOWN)
		1073	const_iv (MAP_32BIT)
		1074	const_iv (MAP_HUGETLB)
		1075	const_iv (MAP_STACK)
		1076
		1077	const_iv (F_DUPFD_CLOEXEC)
		1078
		1079	const_iv (F_OFD_GETLK)
		1080	const_iv (F_OFD_SETLK)
		1081	const_iv (F_OFD_GETLKW)
		1082
		1083	const_iv (FIFREEZE)
		1084	const_iv (FITHAW)
		1085	const_iv (FITRIM)
		1086	const_iv (FICLONE)
		1087	const_iv (FICLONERANGE)
		1088	const_iv (FIDEDUPERANGE)
		1089
		1090	const_iv (FS_IOC_GETFLAGS)
		1091	const_iv (FS_IOC_SETFLAGS)
		1092	const_iv (FS_IOC_GETVERSION)
		1093	const_iv (FS_IOC_SETVERSION)
		1094	const_iv (FS_IOC_FIEMAP)
		1095	const_iv (FS_IOC_FSGETXATTR)
		1096	const_iv (FS_IOC_FSSETXATTR)
		1097	const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
		1098	const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
		1099	const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
		1100
		1101	const_iv (FS_KEY_DESCRIPTOR_SIZE)
		1102
		1103	const_iv (FS_SECRM_FL)
		1104	const_iv (FS_UNRM_FL)
		1105	const_iv (FS_COMPR_FL)
		1106	const_iv (FS_SYNC_FL)
		1107	const_iv (FS_IMMUTABLE_FL)
		1108	const_iv (FS_APPEND_FL)
		1109	const_iv (FS_NODUMP_FL)
		1110	const_iv (FS_NOATIME_FL)
		1111	const_iv (FS_DIRTY_FL)
		1112	const_iv (FS_COMPRBLK_FL)
		1113	const_iv (FS_NOCOMP_FL)
		1114	const_iv (FS_ENCRYPT_FL)
		1115	const_iv (FS_BTREE_FL)
		1116	const_iv (FS_INDEX_FL)
		1117	const_iv (FS_JOURNAL_DATA_FL)
		1118	const_iv (FS_NOTAIL_FL)
		1119	const_iv (FS_DIRSYNC_FL)
		1120	const_iv (FS_TOPDIR_FL)
		1121	const_iv (FS_FL_USER_MODIFIABLE)
		1122
		1123	const_iv (FS_XFLAG_REALTIME)
		1124	const_iv (FS_XFLAG_PREALLOC)
		1125	const_iv (FS_XFLAG_IMMUTABLE)
		1126	const_iv (FS_XFLAG_APPEND)
		1127	const_iv (FS_XFLAG_SYNC)
		1128	const_iv (FS_XFLAG_NOATIME)
		1129	const_iv (FS_XFLAG_NODUMP)
		1130	const_iv (FS_XFLAG_RTINHERIT)
		1131	const_iv (FS_XFLAG_PROJINHERIT)
		1132	const_iv (FS_XFLAG_NOSYMLINKS)
		1133	const_iv (FS_XFLAG_EXTSIZE)
		1134	const_iv (FS_XFLAG_EXTSZINHERIT)
		1135	const_iv (FS_XFLAG_NODEFRAG)
		1136	const_iv (FS_XFLAG_FILESTREAM)
		1137	const_iv (FS_XFLAG_DAX)
		1138	const_iv (FS_XFLAG_HASATTR)
952		1139
953	const_iv (FIEMAP_FLAG_SYNC)	1140	const_iv (FIEMAP_FLAG_SYNC)
954	const_iv (FIEMAP_FLAG_XATTR)	1141	const_iv (FIEMAP_FLAG_XATTR)
955	const_iv (FIEMAP_FLAGS_COMPAT)	1142	const_iv (FIEMAP_FLAGS_COMPAT)
956	const_iv (FIEMAP_EXTENT_LAST)	1143	const_iv (FIEMAP_EXTENT_LAST)
…		…
968	const_iv (SPLICE_F_MOVE)	1155	const_iv (SPLICE_F_MOVE)
969	const_iv (SPLICE_F_NONBLOCK)	1156	const_iv (SPLICE_F_NONBLOCK)
970	const_iv (SPLICE_F_MORE)	1157	const_iv (SPLICE_F_MORE)
971	const_iv (SPLICE_F_GIFT)	1158	const_iv (SPLICE_F_GIFT)
972		1159
973	const_iv (SEEK_DATA)	1160	/* these are libeio constants, and are independent of gendef0 */
974	const_iv (SEEK_HOLE)
975
976	/* libeio constants */
977	const_eio (SEEK_SET)	1161	const_eio (SEEK_SET)
978	const_eio (SEEK_CUR)	1162	const_eio (SEEK_CUR)
979	const_eio (SEEK_END)	1163	const_eio (SEEK_END)
980		1164
981	const_eio (MCL_FUTURE)	1165	const_eio (MCL_FUTURE)
…		…
991	const_eio (SYNC_FILE_RANGE_WRITE)	1175	const_eio (SYNC_FILE_RANGE_WRITE)
992	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1176	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
993		1177
994	const_eio (FALLOC_FL_KEEP_SIZE)	1178	const_eio (FALLOC_FL_KEEP_SIZE)
995	const_eio (FALLOC_FL_PUNCH_HOLE)	1179	const_eio (FALLOC_FL_PUNCH_HOLE)
		1180	const_eio (FALLOC_FL_COLLAPSE_RANGE)
		1181	const_eio (FALLOC_FL_ZERO_RANGE)
		1182	const_eio (FALLOC_FL_INSERT_RANGE)
		1183	const_eio (FALLOC_FL_UNSHARE_RANGE)
		1184
		1185	const_eio (RENAME_NOREPLACE)
		1186	const_eio (RENAME_EXCHANGE)
		1187	const_eio (RENAME_WHITEOUT)
996		1188
997	const_eio (READDIR_DENTS)	1189	const_eio (READDIR_DENTS)
998	const_eio (READDIR_DIRS_FIRST)	1190	const_eio (READDIR_DIRS_FIRST)
999	const_eio (READDIR_STAT_ORDER)	1191	const_eio (READDIR_STAT_ORDER)
1000	const_eio (READDIR_FOUND_UNKNOWN)	1192	const_eio (READDIR_FOUND_UNKNOWN)
…		…
1068	PROTOTYPE: $	1260	PROTOTYPE: $
1069	CODE:	1261	CODE:
1070	max_outstanding = maxreqs;	1262	max_outstanding = maxreqs;
1071		1263
1072	void	1264	void
1073	aio_wd (SV8 pathname, SV callback=&PL_sv_undef)	1265	aio_wd (SV8 pathname, SV callback = &PL_sv_undef)
1074	PPCODE:	1266	PPCODE:
1075	{	1267	{
1076	dREQ;	1268	dREQ;
1077		1269
1078	req->type = EIO_WD_OPEN;	1270	req->type = EIO_WD_OPEN;
…		…
1080		1272
1081	REQ_SEND;	1273	REQ_SEND;
1082	}	1274	}
1083		1275
1084	void	1276	void
1085	aio_open (SV8 pathname, int flags, int mode, SV callback=&PL_sv_undef)	1277	aio_open (SV8 pathname, int flags, int mode, SV callback = &PL_sv_undef)
1086	PPCODE:	1278	PPCODE:
1087	{	1279	{
1088	dREQ;	1280	dREQ;
1089		1281
1090	req->type = EIO_OPEN;	1282	req->type = EIO_OPEN;
…		…
1094		1286
1095	REQ_SEND;	1287	REQ_SEND;
1096	}	1288	}
1097		1289
1098	void	1290	void
1099	aio_fsync (SV fh, SV callback=&PL_sv_undef)	1291	aio_fsync (SV fh, SV callback = &PL_sv_undef)
1100	ALIAS:	1292	ALIAS:
1101	aio_fsync = EIO_FSYNC	1293	aio_fsync = EIO_FSYNC
1102	aio_fdatasync = EIO_FDATASYNC	1294	aio_fdatasync = EIO_FDATASYNC
1103	aio_syncfs = EIO_SYNCFS	1295	aio_syncfs = EIO_SYNCFS
1104	PPCODE:	1296	PPCODE:
1105	{	1297	{
1106	int fd = s_fileno_croak (fh, 0);	1298	int fd = s_fileno_croak (fh, 0);
1107	dREQ;	1299	dREQ;
1108		1300
1109	req->type = ix;	1301	req->type = ix;
1110	req->sv1 = newSVsv (fh);	1302	req->sv1 = newSVsv (fh);
1111	req->int1 = fd;	1303	req->int1 = fd;
1112		1304
1113	REQ_SEND;	1305	REQ_SEND;
1114	}	1306	}
1115		1307
1116	void	1308	void
1117	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback=&PL_sv_undef)	1309	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback = &PL_sv_undef)
1118	PPCODE:	1310	PPCODE:
1119	{	1311	{
1120	int fd = s_fileno_croak (fh, 0);	1312	int fd = s_fileno_croak (fh, 0);
1121	dREQ;	1313	dREQ;
1122		1314
1123	req->type = EIO_SYNC_FILE_RANGE;	1315	req->type = EIO_SYNC_FILE_RANGE;
1124	req->sv1 = newSVsv (fh);	1316	req->sv1 = newSVsv (fh);
1125	req->int1 = fd;	1317	req->int1 = fd;
…		…
1129		1321
1130	REQ_SEND;	1322	REQ_SEND;
1131	}	1323	}
1132		1324
1133	void	1325	void
1134	aio_fallocate (SV fh, int mode, off_t offset, size_t len, SV callback=&PL_sv_undef)	1326	aio_allocate (SV fh, int mode, off_t offset, size_t len, SV callback = &PL_sv_undef)
1135	PPCODE:	1327	PPCODE:
1136	{	1328	{
1137	int fd = s_fileno_croak (fh, 0);	1329	int fd = s_fileno_croak (fh, 0);
1138	dREQ;	1330	dREQ;
1139		1331
1140	req->type = EIO_FALLOCATE;	1332	req->type = EIO_FALLOCATE;
1141	req->sv1 = newSVsv (fh);	1333	req->sv1 = newSVsv (fh);
1142	req->int1 = fd;	1334	req->int1 = fd;
…		…
1146		1338
1147	REQ_SEND;	1339	REQ_SEND;
1148	}	1340	}
1149		1341
1150	void	1342	void
1151	aio_close (SV fh, SV callback=&PL_sv_undef)	1343	aio_close (SV fh, SV callback = &PL_sv_undef)
1152	PPCODE:	1344	PPCODE:
1153	{	1345	{
1154	static int close_fd = -1; /* dummy fd to close fds via dup2 */	1346	static int close_fd = -1; /* dummy fd to close fds via dup2 */
1155	int fd = s_fileno_croak (fh, 0);	1347	int fd = s_fileno_croak (fh, 0);
1156	dREQ;	1348	dREQ;
1157		1349
1158	if (expect_false (close_fd < 0))	1350	if (expect_false (close_fd < 0))
1159	{	1351	{
1160	int pipefd [2];	1352	int pipefd [2];
…		…
1180		1372
1181	REQ_SEND;	1373	REQ_SEND;
1182	}	1374	}
1183		1375
1184	void	1376	void
1185	aio_seek (SV fh, SV offset, int whence, SV *callback=&PL_sv_undef)	1377	aio_seek (SV fh, SV offset, int whence, SV *callback = &PL_sv_undef)
1186	PPCODE:	1378	PPCODE:
1187	{	1379	{
1188	int fd = s_fileno_croak (fh, 0);	1380	int fd = s_fileno_croak (fh, 0);
1189	dREQ;	1381	dREQ;
1190		1382
…		…
1196		1388
1197	REQ_SEND;	1389	REQ_SEND;
1198	}	1390	}
1199		1391
1200	void	1392	void
1201	aio_read (SV fh, SV offset, SV length, SV8 data, IV dataoffset, SV *callback=&PL_sv_undef)	1393	aio_read (SV fh, SV offset, SV length, SV8 data, IV dataoffset, SV *callback = &PL_sv_undef)
1202	ALIAS:	1394	ALIAS:
1203	aio_read = EIO_READ	1395	aio_read = EIO_READ
1204	aio_write = EIO_WRITE	1396	aio_write = EIO_WRITE
1205	PPCODE:	1397	PPCODE:
1206	{	1398	{
…		…
1222	len = svlen - dataoffset;	1414	len = svlen - dataoffset;
1223	}	1415	}
1224	else	1416	else
1225	{	1417	{
1226	/* read: check type and grow scalar as necessary */	1418	/* read: check type and grow scalar as necessary */
1227	SvUPGRADE (data, SVt_PV);
1228	if (SvLEN (data) >= SvCUR (data))	1419	if (!SvPOK (data) \|\| SvLEN (data) >= SvCUR (data))
1229	svptr = SvGROW (data, len + dataoffset + 1);	1420	svptr = sv_grow (data, len + dataoffset);
1230	else if (SvCUR (data) < len + dataoffset)	1421	else if (SvCUR (data) < len + dataoffset)
1231	croak ("length + dataoffset outside of scalar, and cannot grow");	1422	croak ("length + dataoffset outside of scalar, and cannot grow");
1232	}	1423	}
1233		1424
1234	{	1425	{
…		…
1252	REQ_SEND;	1443	REQ_SEND;
1253	}	1444	}
1254	}	1445	}
1255		1446
1256	void	1447	void
		1448	aio_ioctl (SV fh, unsigned long request, SV8 arg, SV *callback = &PL_sv_undef)
		1449	ALIAS:
		1450	aio_ioctl = EIO_IOCTL
		1451	aio_fcntl = EIO_FCNTL
		1452	PPCODE:
		1453	{
		1454	int fd = s_fileno_croak (fh, 0);
		1455	char *svptr;
		1456
		1457	if (SvPOK (arg) \|\| !SvNIOK (arg))
		1458	{
		1459	STRLEN svlen;
		1460	/* perl uses IOCPARM_LEN for fcntl, so we do, too */
		1461	#ifdef IOCPARM_LEN
		1462	STRLEN need = IOCPARM_LEN (request);
		1463	#else
		1464	STRLEN need = 256;
		1465	#endif
		1466
		1467	if (svlen < need)
		1468	svptr = SvGROW (arg, need);
		1469	}
		1470	else
		1471	svptr = (char *)SvIV (arg);
		1472
		1473	{
		1474	dREQ;
		1475
		1476	req->type = ix;
		1477	req->sv1 = newSVsv (fh);
		1478	req->int1 = fd;
		1479	req->int2 = (long)request;
		1480	req->sv2 = SvREFCNT_inc (arg);
		1481	req->ptr2 = svptr;
		1482
		1483	REQ_SEND;
		1484	}
		1485	}
		1486
		1487	void
1257	aio_readlink (SV8 pathname, SV callback=&PL_sv_undef)	1488	aio_readlink (SV8 pathname, SV callback = &PL_sv_undef)
1258	ALIAS:	1489	ALIAS:
1259	aio_readlink = EIO_READLINK	1490	aio_readlink = EIO_READLINK
1260	aio_realpath = EIO_REALPATH	1491	aio_realpath = EIO_REALPATH
1261	PPCODE:	1492	PPCODE:
1262	{	1493	{
…		…
1267		1498
1268	REQ_SEND;	1499	REQ_SEND;
1269	}	1500	}
1270		1501
1271	void	1502	void
1272	aio_sendfile (SV out_fh, SV in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1503	aio_sendfile (SV out_fh, SV in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1273	PPCODE:	1504	PPCODE:
1274	{	1505	{
1275	int ifd = s_fileno_croak (in_fh , 0);	1506	int ifd = s_fileno_croak (in_fh , 0);
1276	int ofd = s_fileno_croak (out_fh, 1);	1507	int ofd = s_fileno_croak (out_fh, 1);
1277	dREQ;	1508	dREQ;
1278		1509
1279	req->type = EIO_SENDFILE;	1510	req->type = EIO_SENDFILE;
1280	req->sv1 = newSVsv (out_fh);	1511	req->sv1 = newSVsv (out_fh);
1281	req->int1 = ofd;	1512	req->int1 = ofd;
…		…
1286		1517
1287	REQ_SEND;	1518	REQ_SEND;
1288	}	1519	}
1289		1520
1290	void	1521	void
1291	aio_readahead (SV fh, off_t offset, size_t length, SV callback=&PL_sv_undef)	1522	aio_readahead (SV fh, off_t offset, size_t length, SV callback = &PL_sv_undef)
1292	PPCODE:	1523	PPCODE:
1293	{	1524	{
1294	int fd = s_fileno_croak (fh, 0);	1525	int fd = s_fileno_croak (fh, 0);
1295	dREQ;	1526	dREQ;
1296		1527
1297	req->type = EIO_READAHEAD;	1528	req->type = EIO_READAHEAD;
1298	req->sv1 = newSVsv (fh);	1529	req->sv1 = newSVsv (fh);
1299	req->int1 = fd;	1530	req->int1 = fd;
…		…
1302		1533
1303	REQ_SEND;	1534	REQ_SEND;
1304	}	1535	}
1305		1536
1306	void	1537	void
1307	aio_stat (SV8 fh_or_path, SV callback=&PL_sv_undef)	1538	aio_stat (SV8 fh_or_path, SV callback = &PL_sv_undef)
1308	ALIAS:	1539	ALIAS:
1309	aio_stat = EIO_STAT	1540	aio_stat = EIO_STAT
1310	aio_lstat = EIO_LSTAT	1541	aio_lstat = EIO_LSTAT
1311	aio_statvfs = EIO_STATVFS	1542	aio_statvfs = EIO_STATVFS
1312	PPCODE:	1543	PPCODE:
…		…
1321	UV	1552	UV
1322	major (UV dev)	1553	major (UV dev)
1323	ALIAS:	1554	ALIAS:
1324	minor = 1	1555	minor = 1
1325	CODE:	1556	CODE:
1326	RETVAL = ix ? major (dev) : minor (dev);	1557	RETVAL = ix ? minor (dev) : major (dev);
1327	OUTPUT:	1558	OUTPUT:
1328	RETVAL	1559	RETVAL
1329		1560
1330	UV	1561	UV
1331	makedev (UV maj, UV min)	1562	makedev (UV maj, UV min)
…		…
1333	RETVAL = makedev (maj, min);	1564	RETVAL = makedev (maj, min);
1334	OUTPUT:	1565	OUTPUT:
1335	RETVAL	1566	RETVAL
1336		1567
1337	void	1568	void
1338	aio_utime (SV8 fh_or_path, SV atime, SV mtime, SV callback=&PL_sv_undef)	1569	aio_utime (SV8 fh_or_path, SV atime, SV mtime, SV callback = &PL_sv_undef)
1339	PPCODE:	1570	PPCODE:
1340	{	1571	{
1341	dREQ;	1572	dREQ;
1342		1573
1343	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1574	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
…		…
1346		1577
1347	REQ_SEND;	1578	REQ_SEND;
1348	}	1579	}
1349		1580
1350	void	1581	void
1351	aio_truncate (SV8 fh_or_path, SV offset, SV *callback=&PL_sv_undef)	1582	aio_truncate (SV8 fh_or_path, SV offset, SV *callback = &PL_sv_undef)
1352	PPCODE:	1583	PPCODE:
1353	{	1584	{
1354	dREQ;	1585	dREQ;
1355		1586
1356	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1587	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
…		…
1358		1589
1359	REQ_SEND;	1590	REQ_SEND;
1360	}	1591	}
1361		1592
1362	void	1593	void
1363	aio_chmod (SV8 fh_or_path, int mode, SV callback=&PL_sv_undef)	1594	aio_chmod (SV8 fh_or_path, int mode, SV callback = &PL_sv_undef)
1364	PPCODE:	1595	PPCODE:
1365	{	1596	{
1366	dREQ;	1597	dREQ;
1367		1598
1368	req->int2 = mode;	1599	req->int2 = mode;
…		…
1370		1601
1371	REQ_SEND;	1602	REQ_SEND;
1372	}	1603	}
1373		1604
1374	void	1605	void
1375	aio_chown (SV8 fh_or_path, SV uid, SV gid, SV callback=&PL_sv_undef)	1606	aio_chown (SV8 fh_or_path, SV uid, SV gid, SV callback = &PL_sv_undef)
1376	PPCODE:	1607	PPCODE:
1377	{	1608	{
1378	dREQ;	1609	dREQ;
1379		1610
1380	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1611	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
…		…
1383		1614
1384	REQ_SEND;	1615	REQ_SEND;
1385	}	1616	}
1386		1617
1387	void	1618	void
1388	aio_readdirx (SV8 pathname, IV flags, SV callback=&PL_sv_undef)	1619	aio_readdirx (SV8 pathname, IV flags, SV callback = &PL_sv_undef)
1389	PPCODE:	1620	PPCODE:
1390	{	1621	{
1391	dREQ;	1622	dREQ;
1392		1623
1393	req->type = EIO_READDIR;	1624	req->type = EIO_READDIR;
…		…
1400		1631
1401	REQ_SEND;	1632	REQ_SEND;
1402	}	1633	}
1403		1634
1404	void	1635	void
1405	aio_mkdir (SV8 pathname, int mode, SV callback=&PL_sv_undef)	1636	aio_mkdir (SV8 pathname, int mode, SV callback = &PL_sv_undef)
1406	PPCODE:	1637	PPCODE:
1407	{	1638	{
1408	dREQ;	1639	dREQ;
1409		1640
1410	req->type = EIO_MKDIR;	1641	req->type = EIO_MKDIR;
…		…
1413		1644
1414	REQ_SEND;	1645	REQ_SEND;
1415	}	1646	}
1416		1647
1417	void	1648	void
1418	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)	1649	aio_unlink (SV8 pathname, SV callback = &PL_sv_undef)
1419	ALIAS:	1650	ALIAS:
1420	aio_unlink = EIO_UNLINK	1651	aio_unlink = EIO_UNLINK
1421	aio_rmdir = EIO_RMDIR	1652	aio_rmdir = EIO_RMDIR
1422	aio_readdir = EIO_READDIR	1653	aio_readdir = EIO_READDIR
1423	PPCODE:	1654	PPCODE:
…		…
1429		1660
1430	REQ_SEND;	1661	REQ_SEND;
1431	}	1662	}
1432		1663
1433	void	1664	void
1434	aio_link (SV8 oldpath, SV8 newpath, SV *callback=&PL_sv_undef)	1665	aio_link (SV8 oldpath, SV8 newpath, SV *callback = &PL_sv_undef)
1435	ALIAS:	1666	ALIAS:
1436	aio_link = EIO_LINK	1667	aio_link = EIO_LINK
1437	aio_symlink = EIO_SYMLINK	1668	aio_symlink = EIO_SYMLINK
1438	aio_rename = EIO_RENAME	1669	aio_rename = EIO_RENAME
1439	PPCODE:	1670	PPCODE:
…		…
1448		1679
1449	REQ_SEND;	1680	REQ_SEND;
1450	}	1681	}
1451		1682
1452	void	1683	void
		1684	aio_rename2 (SV8 oldpath, SV8 newpath, int flags = 0, SV *callback = &PL_sv_undef)
		1685	PPCODE:
		1686	{
		1687	eio_wd wd2 = 0;
		1688	dREQ;
		1689
		1690	req->type = EIO_RENAME;
		1691	req_set_path1 (req, oldpath);
		1692	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
		1693	req->int2 = flags;
		1694	req->int3 = (long)wd2;
		1695
		1696	REQ_SEND;
		1697	}
		1698
		1699	void
1453	aio_mknod (SV8 pathname, int mode, UV dev, SV callback=&PL_sv_undef)	1700	aio_mknod (SV8 pathname, int mode, UV dev, SV callback = &PL_sv_undef)
1454	PPCODE:	1701	PPCODE:
1455	{	1702	{
1456	dREQ;	1703	dREQ;
1457		1704
1458	req->type = EIO_MKNOD;	1705	req->type = EIO_MKNOD;
…		…
1462		1709
1463	REQ_SEND;	1710	REQ_SEND;
1464	}	1711	}
1465		1712
1466	void	1713	void
1467	aio_mtouch (SV8 data, IV offset = 0, SV length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1714	aio_mtouch (SV8 data, IV offset = 0, SV length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1468	ALIAS:	1715	ALIAS:
1469	aio_mtouch = EIO_MTOUCH	1716	aio_mtouch = EIO_MTOUCH
1470	aio_msync = EIO_MSYNC	1717	aio_msync = EIO_MSYNC
1471	PPCODE:	1718	PPCODE:
1472	{	1719	{
1473	STRLEN svlen;	1720	STRLEN svlen;
1474	char *svptr = SvPVbyte (data, svlen);	1721	char *svptr = SvPVbyte (data, svlen);
1475	UV len = SvUV (length);	1722	UV len = SvUV (length);
		1723
		1724	if (flags < 0)
		1725	flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1476		1726
1477	if (offset < 0)	1727	if (offset < 0)
1478	offset += svlen;	1728	offset += svlen;
1479		1729
1480	if (offset < 0 \|\| offset > svlen)	1730	if (offset < 0 \|\| offset > svlen)
…		…
1495	REQ_SEND;	1745	REQ_SEND;
1496	}	1746	}
1497	}	1747	}
1498		1748
1499	void	1749	void
1500	aio_mlock (SV8 data, IV offset = 0, SV length = &PL_sv_undef, SV *callback=&PL_sv_undef)	1750	aio_mlock (SV8 data, IV offset = 0, SV length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1501	PPCODE:	1751	PPCODE:
1502	{	1752	{
1503	STRLEN svlen;	1753	STRLEN svlen;
1504	char *svptr = SvPVbyte (data, svlen);	1754	char *svptr = SvPVbyte (data, svlen);
1505	UV len = SvUV (length);	1755	UV len = SvUV (length);
…		…
1524	REQ_SEND;	1774	REQ_SEND;
1525	}	1775	}
1526	}	1776	}
1527		1777
1528	void	1778	void
1529	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)	1779	aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1530	PPCODE:	1780	PPCODE:
1531	{	1781	{
1532	dREQ;	1782	dREQ;
1533		1783
1534	req->type = EIO_MLOCKALL;	1784	req->type = EIO_MLOCKALL;
…		…
1536		1786
1537	REQ_SEND;	1787	REQ_SEND;
1538	}	1788	}
1539		1789
1540	void	1790	void
1541	aio_fiemap (SV fh, off_t start, SV length, U32 flags, SV count, SV callback=&PL_sv_undef)	1791	aio_fiemap (SV fh, off_t start, SV length, U32 flags, SV count, SV callback = &PL_sv_undef)
1542	PPCODE:	1792	PPCODE:
1543	{	1793	{
1544	int fd = s_fileno_croak (fh, 0);	1794	int fd = s_fileno_croak (fh, 0);
1545	dREQ;	1795	dREQ;
1546		1796
…		…
1559		1809
1560	REQ_SEND;	1810	REQ_SEND;
1561	}	1811	}
1562		1812
1563	void	1813	void
		1814	aio_slurp (SV pathname, off_t offset, UV length, SV8 data, SV *callback = &PL_sv_undef)
		1815	PPCODE:
		1816	{
		1817	char *svptr = 0;
		1818
		1819	sv_clear_foreign (data);
		1820
		1821	if (length) /* known length, directly read into scalar */
		1822	{
		1823	if (!SvPOK (data) \|\| SvLEN (data) >= SvCUR (data))
		1824	svptr = sv_grow (data, length);
		1825	else if (SvCUR (data) < length)
		1826	croak ("length outside of scalar, and cannot grow");
		1827	else
		1828	svptr = SvPVbyte_nolen (data);
		1829	}
		1830
		1831	{
		1832	dREQ;
		1833
		1834	req->type = EIO_SLURP;
		1835	req_set_path1 (req, pathname);
		1836	req->offs = offset;
		1837	req->size = length;
		1838	req->sv2 = SvREFCNT_inc (data);
		1839	req->ptr2 = svptr;
		1840
		1841	if (!SvREADONLY (data))
		1842	{
		1843	SvREADONLY_on (data);
		1844	req->flags \|= FLAG_SV2_RO_OFF;
		1845	}
		1846
		1847	REQ_SEND;
		1848	}
		1849	}
		1850
		1851	void
1564	aio_busy (double delay, SV *callback=&PL_sv_undef)	1852	aio_busy (double delay, SV *callback = &PL_sv_undef)
1565	PPCODE:	1853	PPCODE:
1566	{	1854	{
1567	dREQ;	1855	dREQ;
1568		1856
1569	req->type = EIO_BUSY;	1857	req->type = EIO_BUSY;
…		…
1571		1859
1572	REQ_SEND;	1860	REQ_SEND;
1573	}	1861	}
1574		1862
1575	void	1863	void
1576	aio_group (SV *callback=&PL_sv_undef)	1864	aio_group (SV *callback = &PL_sv_undef)
1577	PPCODE:	1865	PPCODE:
1578	{	1866	{
1579	dREQ;	1867	dREQ;
1580		1868
1581	req->type = EIO_GROUP;	1869	req->type = EIO_GROUP;
1582		1870
		1871	PUTBACK;
1583	req_submit (req);	1872	req_submit (req);
		1873	SPAGAIN;
		1874
1584	XPUSHs (req_sv (req, aio_grp_stash));	1875	XPUSHs (req_sv (req, aio_grp_stash));
1585	}	1876	}
1586		1877
1587	void	1878	void
1588	aio_nop (SV *callback=&PL_sv_undef)	1879	aio_nop (SV *callback = &PL_sv_undef)
1589	ALIAS:	1880	ALIAS:
1590	aio_nop = EIO_NOP	1881	aio_nop = EIO_NOP
1591	aio_sync = EIO_SYNC	1882	aio_sync = EIO_SYNC
1592	PPCODE:	1883	PPCODE:
1593	{	1884	{
…		…
1597		1888
1598	REQ_SEND;	1889	REQ_SEND;
1599	}	1890	}
1600		1891
1601	int	1892	int
1602	aioreq_pri (int pri = 0)	1893	aioreq_pri (int pri = NO_INIT)
1603	CODE:	1894	CODE:
1604	RETVAL = next_pri;	1895	RETVAL = next_pri;
1605	if (items > 0)	1896	if (items > 0)
1606	{	1897	{
1607	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1898	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1697	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1988	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1698	OUTPUT:	1989	OUTPUT:
1699	RETVAL	1990	RETVAL
1700		1991
1701	void	1992	void
1702	mmap (SV scalar, size_t length, int prot, int flags, SV fh = &PL_sv_undef, off_t offset = 0)	1993	mmap (SV scalar, STRLEN length, int prot, int flags, SV fh = &PL_sv_undef, off_t offset = 0)
1703	PPCODE:	1994	PPCODE:
1704	sv_unmagic (scalar, MMAP_MAGIC);	1995	sv_clear_foreign (scalar);
1705	{	1996	{
1706	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	1997	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1707	void addr = (void )mmap (0, length, prot, flags, fd, offset);	1998	void addr = (void )mmap (0, length, prot, flags, fd, offset);
1708	if (addr == (void *)-1)	1999	if (addr == (void *)-1)
1709	XSRETURN_NO;	2000	XSRETURN_NO;
1710		2001
1711	sv_force_normal (scalar);	2002	sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1712
1713	/* we store the length in mg_obj, as namlen is I32 :/ */
1714	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1715	->mg_obj = (SV *)length;
1716
1717	SvUPGRADE (scalar, SVt_PV); /* nop... */
1718		2003
1719	if (!(prot & PROT_WRITE))	2004	if (!(prot & PROT_WRITE))
1720	SvREADONLY_on (scalar);	2005	SvREADONLY_on (scalar);
1721		2006
1722	if (SvLEN (scalar))
1723	Safefree (SvPVX (scalar));
1724
1725	SvPVX (scalar) = (char *)addr;
1726	SvCUR_set (scalar, length);
1727	SvLEN_set (scalar, 0);
1728	SvPOK_only (scalar);
1729
1730	XSRETURN_YES;	2007	XSRETURN_YES;
1731	}	2008	}
1732		2009
1733	void	2010	void
1734	munmap (SV *scalar)	2011	munmap (SV *scalar)
1735	CODE:	2012	CODE:
1736	sv_unmagic (scalar, MMAP_MAGIC);	2013	sv_clear_foreign (scalar);
1737		2014
1738	int	2015	int
1739	madvise (SV scalar, off_t offset = 0, SV length = &PL_sv_undef, IV advice_or_prot)	2016	madvise (SV scalar, STRLEN offset = 0, SV length = &PL_sv_undef, IV advice_or_prot)
1740	ALIAS:	2017	ALIAS:
1741	mprotect = 1	2018	mprotect = 1
1742	CODE:	2019	CODE:
1743	{	2020	{
1744	STRLEN svlen;	2021	STRLEN svlen;
1745	void *addr = SvPVbyte (scalar, svlen);	2022	void *addr = SvPVbyte (scalar, svlen);
1746	size_t len = SvUV (length);	2023	STRLEN len = SvUV (length);
1747		2024
1748	if (offset < 0)	2025	if (offset < 0)
1749	offset += svlen;	2026	offset += svlen;
1750		2027
1751	if (offset < 0 \|\| offset > svlen)	2028	if (offset < 0 \|\| offset > svlen)
…		…
1765	}	2042	}
1766	OUTPUT:	2043	OUTPUT:
1767	RETVAL	2044	RETVAL
1768		2045
1769	int	2046	int
1770	munlock (SV scalar, off_t offset = 0, SV length = &PL_sv_undef)	2047	munlock (SV scalar, STRLEN offset = 0, SV length = &PL_sv_undef)
1771	CODE:	2048	CODE:
1772	{	2049	{
1773	STRLEN svlen;	2050	STRLEN svlen;
1774	void *addr = SvPVbyte (scalar, svlen);	2051	void *addr = SvPVbyte (scalar, svlen);
1775	size_t len = SvUV (length);	2052	size_t len = SvUV (length);
1776		2053
1777	if (offset < 0)	2054	if (offset < 0)
1778	offset += svlen;	2055	offset += svlen;
1779		2056
…		…
1831	#else	2108	#else
1832	RETVAL = EIO_ENOSYS ();	2109	RETVAL = EIO_ENOSYS ();
1833	#endif	2110	#endif
1834	OUTPUT:	2111	OUTPUT:
1835	RETVAL	2112	RETVAL
		2113
		2114	int
		2115	pipesize (aio_rfd rfh, int new_size = -1)
		2116	PROTOTYPE: $;$
		2117	CODE:
		2118	#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
		2119	if (new_size >= 0)
		2120	RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
		2121	else
		2122	RETVAL = fcntl (rfh, F_GETPIPE_SZ);
		2123	#else
		2124	errno = ENOSYS;
		2125	RETVAL = -1;
		2126	#endif
		2127	OUTPUT:
		2128	RETVAL
		2129
		2130	void
		2131	pipe2 (int flags = 0)
		2132	PROTOTYPE: ;$
		2133	PPCODE:
		2134	{
		2135	int fd[2];
		2136	int res;
		2137
		2138	if (flags)
		2139	#if HAVE_PIPE2
		2140	res = pipe2 (fd, flags);
		2141	#else
		2142	res = (errno = ENOSYS, -1);
		2143	#endif
		2144	else
		2145	res = pipe (fd);
		2146
		2147	if (!res)
		2148	{
		2149	EXTEND (SP, 2);
		2150	PUSHs (newmortalFH (fd[0], O_RDONLY));
		2151	PUSHs (newmortalFH (fd[1], O_WRONLY));
		2152	}
		2153	}
		2154
		2155	UV
		2156	get_fdlimit ()
		2157	CODE:
		2158	#if HAVE_RLIMITS
		2159	struct rlimit rl;
		2160	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2161	XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
		2162	#endif
		2163	XSRETURN_UNDEF;
		2164	OUTPUT:
		2165	RETVAL
		2166
		2167	void
		2168	min_fdlimit (UV limit = 0x7fffffffU)
		2169	CODE:
		2170	{
		2171	#if HAVE_RLIMITS
		2172	struct rlimit rl;
		2173	rlim_t orig_rlim_max;
		2174	UV bit;
		2175
		2176	if (0 != getrlimit (RLIMIT_NOFILE, &rl))
		2177	goto fail;
		2178
		2179	if (rl.rlim_cur == RLIM_INFINITY)
		2180	XSRETURN_YES;
		2181
		2182	orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
		2183
		2184	if (rl.rlim_cur < limit)
		2185	{
		2186	rl.rlim_cur = limit;
		2187
		2188	if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
		2189	rl.rlim_max = rl.rlim_cur;
		2190	}
		2191
		2192	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2193	XSRETURN_YES;
		2194
		2195	if (errno == EPERM)
		2196	{
		2197	/* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
		2198	/* our limit overflows a system-wide limit */
		2199	/* try an adaptive algorithm, but do not lower the hardlimit */
		2200	rl.rlim_max = 0;
		2201	for (bit = 0x40000000U; bit; bit >>= 1)
		2202	{
		2203	rl.rlim_max \|= bit;
		2204	rl.rlim_cur = rl.rlim_max;
		2205
		2206	/* nevr decrease the hard limit */
		2207	if (rl.rlim_max < orig_rlim_max)
		2208	break;
		2209
		2210	if (0 != setrlimit (RLIMIT_NOFILE, &rl))
		2211	rl.rlim_max &= ~bit; /* too high, remove bit again */
		2212	}
		2213
		2214	/* now, raise the soft limit to the max permitted */
		2215	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2216	{
		2217	rl.rlim_cur = rl.rlim_max;
		2218	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2219	errno = EPERM;
		2220	}
		2221	}
		2222	#endif
		2223	fail:
		2224	XSRETURN_UNDEF;
		2225	}
1836		2226
1837	void _on_next_submit (SV *cb)	2227	void _on_next_submit (SV *cb)
1838	CODE:	2228	CODE:
1839	SvREFCNT_dec (on_next_submit);	2229	SvREFCNT_dec (on_next_submit);
1840	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	2230	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
…		…
1875	cancel (aio_req_ornot req)	2265	cancel (aio_req_ornot req)
1876	CODE:	2266	CODE:
1877	eio_cancel (req);	2267	eio_cancel (req);
1878		2268
1879	void	2269	void
1880	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	2270	cb (aio_req_ornot req, SV *callback = NO_INIT)
1881	PPCODE:	2271	PPCODE:
1882	{	2272	{
1883	if (GIMME_V != G_VOID)	2273	if (GIMME_V != G_VOID)
1884	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	2274	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1885		2275
1886	if (items > 1)	2276	if (items > 1)
1887	{	2277	{
1888	SV *cb_cv =get_cb (callback);	2278	SV *cb_cv = get_cb (callback);
1889		2279
1890	SvREFCNT_dec (req->callback);	2280	SvREFCNT_dec (req->callback);
1891	req->callback = SvREFCNT_inc (cb_cv);	2281	req->callback = SvREFCNT_inc (cb_cv);
1892	}	2282	}
1893	}	2283	}
…		…
1950	limit (aio_req grp, int limit)	2340	limit (aio_req grp, int limit)
1951	CODE:	2341	CODE:
1952	eio_grp_limit (grp, limit);	2342	eio_grp_limit (grp, limit);
1953		2343
1954	void	2344	void
1955	feed (aio_req grp, SV *callback=&PL_sv_undef)	2345	feed (aio_req grp, SV *callback = &PL_sv_undef)
1956	CODE:	2346	CODE:
1957	{	2347	{
1958	SvREFCNT_dec (grp->sv2);	2348	SvREFCNT_dec (grp->sv2);
1959	grp->sv2 = newSVsv (callback);	2349	grp->sv2 = newSVsv (callback);
1960	grp->feed = aio_grp_feed;	2350	grp->feed = aio_grp_feed;

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Comparing IO-AIO/AIO.xs (file contents): Revision 1.219 by root, Fri Jul 27 18:43:25 2012 UTC vs. Revision 1.251 by root, Sat Jan 6 01:04:42 2018 UTC

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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.219 by root, Fri Jul 27 18:43:25 2012 UTC vs.
Revision 1.251 by root, Sat Jan 6 01:04:42 2018 UTC