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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.224 by root, Thu Oct 11 03:20:52 2012 UTC vs.
Revision 1.253 by root, Tue Feb 20 04:32:59 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_EVENTFD
		112	# include <sys/eventfd.h>
		113	#endif
		114
		115	#if HAVE_RLIMITS
		116	#include <sys/time.h>
		117	#include <sys/resource.h>
		118	#endif
		119
104	typedef SV SV8; /* byte-sv, used for argument-checking */	120	typedef SV SV8; /* byte-sv, used for argument-checking */
105	typedef int aio_rfd; /* read file desriptor */	121	typedef int aio_rfd; /* read file desriptor */
106	typedef int aio_wfd; /* write file descriptor */	122	typedef int aio_wfd; /* write file descriptor */
107		123
108	static HV aio_stash, aio_req_stash, aio_grp_stash, aio_wd_stash;	124	static HV aio_stash, aio_req_stash, aio_grp_stash, aio_wd_stash;
…		…
114	STRLEN stroffset; \	130	STRLEN stroffset; \
115	SV *self;	131	SV *self;
116		132
117	#define EIO_NO_WRAPPERS 1	133	#define EIO_NO_WRAPPERS 1
118		134
119	#include "libeio/config.h"
120	#include "libeio/eio.h"	135	#include "libeio/eio.h"
121		136
122	static int req_invoke (eio_req *req);	137	static int req_invoke (eio_req *req);
123	#define EIO_FINISH(req) req_invoke (req)	138	#define EIO_FINISH(req) req_invoke (req)
124	static void req_destroy (eio_req *grp);	139	static void req_destroy (eio_req *grp);
…		…
141	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	156	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
142	# endif	157	# endif
143	#endif	158	#endif
144		159
145	/* defines all sorts of constants to 0 unless they are already defined */	160	/* defines all sorts of constants to 0 unless they are already defined */
		161	/* also provides const_iv_ and const_niv_ macros for them */
146	#include "def0.h"	162	#include "def0.h"
147		163
148	#ifndef makedev	164	#ifndef makedev
149	# define makedev(maj,min) (((maj) << 8) \| (min))	165	# define makedev(maj,min) (((maj) << 8) \| (min))
150	#endif	166	#endif
…		…
153	#endif	169	#endif
154	#ifndef minor	170	#ifndef minor
155	# define minor(dev) ((dev) & 0xff)	171	# define minor(dev) ((dev) & 0xff)
156	#endif	172	#endif
157		173
158	#ifndef PAGESIZE	174	#if PAGESIZE <= 0
159	# define PAGESIZE sysconf (_SC_PAGESIZE)	175	# define PAGESIZE sysconf (_SC_PAGESIZE)
160	#endif	176	#endif
		177
		178	/*****************************************************************************/
		179
		180	#if !_POSIX_MAPPED_FILES
		181	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
		182	# define munmap(addr,length) EIO_ENOSYS ()
		183	#endif
		184
		185	#if !_POSIX_MEMORY_PROTECTION
		186	# define mprotect(addr,len,prot) EIO_ENOSYS ()
		187	#endif
		188
		189	#define FOREIGN_MAGIC PERL_MAGIC_ext
		190
		191	static int ecb_cold
		192	mmap_free (pTHX_ SV sv, MAGIC mg)
		193	{
		194	int old_errno = errno;
		195	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		196	errno = old_errno;
		197
		198	mg->mg_obj = 0; /* just in case */
		199
		200	SvREADONLY_off (sv);
		201
		202	if (SvPVX (sv) != mg->mg_ptr)
		203	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		204
		205	SvCUR_set (sv, 0);
		206	SvPVX (sv) = 0;
		207	SvOK_off (sv);
		208
		209	return 0;
		210	}
		211
		212	static MGVTBL mmap_vtbl = {
		213	0, 0, 0, 0, mmap_free
		214	};
		215
		216	static int ecb_cold
		217	sysfree_free (pTHX_ SV sv, MAGIC mg)
		218	{
		219	free (mg->mg_ptr);
		220	mg->mg_obj = 0; /* just in case */
		221
		222	SvREADONLY_off (sv);
		223
		224	if (SvPVX (sv) != mg->mg_ptr)
		225	croak ("ERROR: IO::AIO mapped scalar changed location, detected");
		226
		227	SvCUR_set (sv, 0);
		228	SvPVX (sv) = 0;
		229	SvOK_off (sv);
		230
		231	return 0;
		232	}
		233
		234	static MGVTBL sysfree_vtbl = {
		235	0, 0, 0, 0, sysfree_free
		236	};
		237
		238	/*****************************************************************************/
		239
		240	/* helper: set scalar to foreign ptr with custom free */
		241	static void
		242	sv_set_foreign (SV sv, const MGVTBL const vtbl, void *addr, IV length)
		243	{
		244	sv_force_normal (sv);
		245
		246	/* we store the length in mg_obj, as namlen is I32 :/ */
		247	sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
		248	->mg_obj = (SV *)length;
		249
		250	SvUPGRADE (sv, SVt_PV); /* nop... */
		251
		252	if (SvLEN (sv))
		253	Safefree (SvPVX (sv));
		254
		255	SvPVX (sv) = (char *)addr;
		256	SvCUR_set (sv, length);
		257	SvLEN_set (sv, 0);
		258	SvPOK_only (sv);
		259	}
		260
		261	static void
		262	sv_clear_foreign (SV *sv)
		263	{
		264	/* todo: iterate over magic and only free ours, but of course */
		265	/* the perl5porters will call that (correct) behaviour buggy */
		266	sv_unmagic (sv, FOREIGN_MAGIC);
		267	}
161		268
162	/*****************************************************************************/	269	/*****************************************************************************/
163		270
164	static void	271	static void
165	fiemap (eio_req *req)	272	fiemap (eio_req *req)
…		…
198	\|\| !fiemap->fm_mapped_extents /* no more extents */	305	\|\| !fiemap->fm_mapped_extents /* no more extents */
199	\|\| fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)	306	\|\| fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
200	goto done;	307	goto done;
201		308
202	/* else we have to loop -	309	/* else we have to loop -
203	* it would be tempting (atcually I tried that first) to just query the	310	* it would be tempting (actually I tried that first) to just query the
204	* number of extents needed, but linux often feels like not returning all	311	* number of extents needed, but linux often feels like not returning all
205	* extents, without telling us it left any out. this complicates	312	* extents, without telling us it left any out. this complicates
206	* this quite a bit.	313	* this quite a bit.
207	*/	314	*/
208		315
…		…
221	incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);	328	incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
222		329
223	if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)	330	if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
224	return;	331	return;
225		332
		333	if (!incmap->fm_mapped_extents)
		334	goto done;
		335
226	count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;	336	count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
227	fiemap = realloc (fiemap, sizeof (fiemap) + sizeof (struct fiemap_extent) count);	337	fiemap = realloc (fiemap, sizeof (fiemap) + sizeof (struct fiemap_extent) count);
228	errno = ENOMEM;	338	errno = ENOMEM;
229	if (!fiemap)	339	if (!fiemap)
230	return;	340	return;
…		…
301	}	411	}
302		412
303	static SV *	413	static SV *
304	newSVaio_wd (aio_wd wd)	414	newSVaio_wd (aio_wd wd)
305	{	415	{
306	return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash);	416	return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
307	}	417	}
308		418
309	static aio_req	419	static aio_req
310	SvAIO_REQ (SV *sv)	420	SvAIO_REQ (SV *sv)
311	{	421	{
…		…
330	\|\| SvTYPE (SvRV (sv)) != SVt_PVMG	440	\|\| SvTYPE (SvRV (sv)) != SVt_PVMG
331	\|\| SvSTASH (SvRV (sv)) != aio_wd_stash)	441	\|\| SvSTASH (SvRV (sv)) != aio_wd_stash)
332	croak ("IO::AIO: expected a working directory object as returned by aio_wd");	442	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
333		443
334	return (aio_wd)(long)SvIVX (SvRV (sv));	444	return (aio_wd)(long)SvIVX (SvRV (sv));
		445	}
		446
		447	static SV *
		448	newmortalFH (int fd, int flags)
		449	{
		450	if (fd < 0)
		451	return &PL_sv_undef;
		452
		453	GV gv = (GV )sv_newmortal ();
		454	char sym[64];
		455	int symlen;
		456
		457	symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
		458	gv_init (gv, aio_stash, sym, symlen, 0);
		459
		460	symlen = snprintf (
		461	sym,
		462	sizeof (sym),
		463	"%s&=%d",
		464	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
		465	fd
		466	);
		467
		468	return do_open (gv, sym, symlen, 0, 0, 0, 0)
		469	? (SV *)gv : &PL_sv_undef;
335	}	470	}
336		471
337	static void	472	static void
338	aio_grp_feed (aio_req grp)	473	aio_grp_feed (aio_req grp)
339	{	474	{
…		…
467	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 \| EIO_READDIR_CUSTOM2))));	602	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 \| EIO_READDIR_CUSTOM2))));
468	}	603	}
469	break;	604	break;
470		605
471	case EIO_OPEN:	606	case EIO_OPEN:
472	{	607	PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR)));
473	/* convert fd to fh */
474	SV *fh = &PL_sv_undef;
475
476	if (req->result >= 0)
477	{
478	GV gv = (GV )sv_newmortal ();
479	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);
480	char sym [64];
481	int symlen;
482
483	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
484	gv_init (gv, aio_stash, sym, symlen, 0);
485
486	symlen = snprintf (
487	sym,
488	sizeof (sym),
489	"%s&=%d",
490	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
491	(int)req->result
492	);
493
494	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
495	fh = (SV *)gv;
496	}
497
498	PUSHs (fh);
499	}
500	break;	608	break;
501		609
502	case EIO_STATVFS:	610	case EIO_STATVFS:
503	case EIO_FSTATVFS:	611	case EIO_FSTATVFS:
504	{	612	{
…		…
584	SvSETMAGIC (req->sv2);	692	SvSETMAGIC (req->sv2);
585	PUSHs (sv_result);	693	PUSHs (sv_result);
586	}	694	}
587	break;	695	break;
588		696
		697	case EIO_SLURP:
		698	{
		699	if (req->result >= 0)
		700	{
		701	/* if length was originally not known, we steal the malloc'ed memory */
		702	if (req->flags & EIO_FLAG_PTR2_FREE)
		703	{
		704	req->flags &= ~EIO_FLAG_PTR2_FREE;
		705	sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
		706	}
		707	else
		708	{
		709	SvCUR_set (req->sv2, req->result);
		710	*SvEND (req->sv2) = 0;
		711	SvPOK_only (req->sv2);
		712	}
		713
		714	SvSETMAGIC (req->sv2);
		715	}
		716
		717	PUSHs (sv_result);
		718	}
		719	break;
		720
589	case EIO_CUSTOM:	721	case EIO_CUSTOM:
590	if (req->feed == fiemap)	722	if (req->feed == fiemap)
591	{	723	{
592	#if HAVE_FIEMAP	724	#if HAVE_FIEMAP
593	if (!req->result)	725	if (!req->result)
…		…
698	{	830	{
699	while (eio_nreqs ())	831	while (eio_nreqs ())
700	{	832	{
701	int size;	833	int size;
702		834
703	X_LOCK (reslock);	835	X_LOCK (EIO_POOL->reslock);
704	size = res_queue.size;	836	size = EIO_POOL->res_queue.size;
705	X_UNLOCK (reslock);	837	X_UNLOCK (EIO_POOL->reslock);
706		838
707	if (size)	839	if (size)
708	return;	840	return;
709		841
710	etp_maybe_start_thread ();	842	etp_maybe_start_thread (EIO_POOL);
711		843
712	s_epipe_wait (&respipe);	844	s_epipe_wait (&respipe);
713	}	845	}
714	}	846	}
715		847
…		…
736	create_respipe ();	868	create_respipe ();
737		869
738	if (eio_init (want_poll, done_poll) < 0)	870	if (eio_init (want_poll, done_poll) < 0)
739	croak ("IO::AIO: unable to initialise eio library");	871	croak ("IO::AIO: unable to initialise eio library");
740	}	872	}
741
742	/*****************************************************************************/
743
744	#if !_POSIX_MAPPED_FILES
745	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
746	# define munmap(addr,length) EIO_ENOSYS ()
747	#endif
748
749	#if !_POSIX_MEMORY_PROTECTION
750	# define mprotect(addr,len,prot) EIO_ENOSYS ()
751	# define PROT_NONE 0
752	# define PROT_WRITE 0
753	# define MAP_PRIVATE 0
754	# define MAP_SHARED 0
755	# define MAP_FIXED 0
756	#endif
757
758	#define MMAP_MAGIC PERL_MAGIC_ext
759
760	static int ecb_cold
761	mmap_free (pTHX_ SV sv, MAGIC mg)
762	{
763	int old_errno = errno;
764	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
765	errno = old_errno;
766
767	mg->mg_obj = 0; /* just in case */
768
769	SvREADONLY_off (sv);
770
771	if (SvPVX (sv) != mg->mg_ptr)
772	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
773
774	SvCUR_set (sv, 0);
775	SvPVX (sv) = 0;
776	SvOK_off (sv);
777
778	return 0;
779	}
780
781	static MGVTBL mmap_vtbl = {
782	0, 0, 0, 0, mmap_free
783	};
784		873
785	/*****************************************************************************/	874	/*****************************************************************************/
786		875
787	static SV *	876	static SV *
788	get_cb (SV *cb_sv)	877	get_cb (SV *cb_sv)
…		…
900	} *civ, const_iv[] = {	989	} *civ, const_iv[] = {
901	# define const_niv(name, value) { # name, (IV) value },	990	# define const_niv(name, value) { # name, (IV) value },
902	# define const_iv(name) { # name, (IV) name },	991	# define const_iv(name) { # name, (IV) name },
903	# define const_eio(name) { # name, (IV) EIO_ ## name },	992	# define const_eio(name) { # name, (IV) EIO_ ## name },
904		993
905	/* you have to re-run ./gendef0 after adding/Removing any constants here */	994	/* you have to re-run ./gendef0 after adding/removing any constants here */
906		995	/* the first block can be undef if missing */
907	const_iv (ENOSYS)	996	const_iv (ENOSYS)
908	const_iv (EXDEV)	997	const_iv (EXDEV)
909	const_iv (EBADR)	998	const_iv (EBADR)
910		999
		1000	/* for lseek */
		1001	const_iv (SEEK_DATA)
		1002	const_iv (SEEK_HOLE)
		1003
		1004	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
		1005	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		1006	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
		1007	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		1008	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		1009	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		1010
		1011	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		1012	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		1013	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		1014	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		1015	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		1016
		1017	/* the second block will be 0 when missing */
911	const_iv (O_RDONLY)	1018	const_iv (O_RDONLY)
912	const_iv (O_WRONLY)	1019	const_iv (O_WRONLY)
913	const_iv (O_RDWR)	1020	const_iv (O_RDWR)
914	const_iv (O_CREAT)	1021	const_iv (O_CREAT)
915	const_iv (O_TRUNC)	1022	const_iv (O_TRUNC)
…		…
928	const_iv (O_SEARCH)	1035	const_iv (O_SEARCH)
929	const_iv (O_DIRECTORY)	1036	const_iv (O_DIRECTORY)
930	const_iv (O_DSYNC)	1037	const_iv (O_DSYNC)
931	const_iv (O_RSYNC)	1038	const_iv (O_RSYNC)
932	const_iv (O_SYNC)	1039	const_iv (O_SYNC)
		1040	const_iv (O_PATH)
		1041	const_iv (O_TMPFILE)
933	const_iv (O_TTY_INIT)	1042	const_iv (O_TTY_INIT)
934		1043
935	const_iv (S_IFIFO)	1044	const_iv (S_IFIFO)
936	const_iv (S_IFCHR)	1045	const_iv (S_IFCHR)
937	const_iv (S_IFBLK)	1046	const_iv (S_IFBLK)
…		…
939	const_iv (S_IFREG)	1048	const_iv (S_IFREG)
940	const_iv (S_IFDIR)	1049	const_iv (S_IFDIR)
941	const_iv (S_IFWHT)	1050	const_iv (S_IFWHT)
942	const_iv (S_IFSOCK)	1051	const_iv (S_IFSOCK)
943	const_iv (S_IFMT)	1052	const_iv (S_IFMT)
944
945	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
946	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
947	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
948	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
949	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
950	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
951
952	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
953	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
954	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
955	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
956	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
957		1053
958	const_iv (ST_RDONLY)	1054	const_iv (ST_RDONLY)
959	const_iv (ST_NOSUID)	1055	const_iv (ST_NOSUID)
960	const_iv (ST_NODEV)	1056	const_iv (ST_NODEV)
961	const_iv (ST_NOEXEC)	1057	const_iv (ST_NOEXEC)
…		…
971	const_iv (PROT_NONE)	1067	const_iv (PROT_NONE)
972	const_iv (PROT_EXEC)	1068	const_iv (PROT_EXEC)
973	const_iv (PROT_READ)	1069	const_iv (PROT_READ)
974	const_iv (PROT_WRITE)	1070	const_iv (PROT_WRITE)
975		1071
976	/const_iv (MAP_FIXED)/
977	const_iv (MAP_PRIVATE)	1072	const_iv (MAP_PRIVATE)
978	const_iv (MAP_SHARED)	1073	const_iv (MAP_SHARED)
		1074	const_iv (MAP_FIXED)
979	const_iv (MAP_ANONYMOUS)	1075	const_iv (MAP_ANONYMOUS)
980		1076
981	/* linuxish */	1077	/* linuxish */
982	const_iv (MAP_HUGETLB)
983	const_iv (MAP_LOCKED)	1078	const_iv (MAP_LOCKED)
984	const_iv (MAP_NORESERVE)	1079	const_iv (MAP_NORESERVE)
985	const_iv (MAP_POPULATE)	1080	const_iv (MAP_POPULATE)
986	const_iv (MAP_NONBLOCK)	1081	const_iv (MAP_NONBLOCK)
		1082	const_iv (MAP_GROWSDOWN)
		1083	const_iv (MAP_32BIT)
		1084	const_iv (MAP_HUGETLB)
		1085	const_iv (MAP_STACK)
		1086
		1087	const_iv (F_DUPFD_CLOEXEC)
		1088
		1089	const_iv (F_OFD_GETLK)
		1090	const_iv (F_OFD_SETLK)
		1091	const_iv (F_OFD_GETLKW)
		1092
		1093	const_iv (FIFREEZE)
		1094	const_iv (FITHAW)
		1095	const_iv (FITRIM)
		1096	const_iv (FICLONE)
		1097	const_iv (FICLONERANGE)
		1098	const_iv (FIDEDUPERANGE)
		1099
		1100	const_iv (FS_IOC_GETFLAGS)
		1101	const_iv (FS_IOC_SETFLAGS)
		1102	const_iv (FS_IOC_GETVERSION)
		1103	const_iv (FS_IOC_SETVERSION)
		1104	const_iv (FS_IOC_FIEMAP)
		1105	const_iv (FS_IOC_FSGETXATTR)
		1106	const_iv (FS_IOC_FSSETXATTR)
		1107	const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
		1108	const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
		1109	const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
		1110
		1111	const_iv (FS_KEY_DESCRIPTOR_SIZE)
		1112
		1113	const_iv (FS_SECRM_FL)
		1114	const_iv (FS_UNRM_FL)
		1115	const_iv (FS_COMPR_FL)
		1116	const_iv (FS_SYNC_FL)
		1117	const_iv (FS_IMMUTABLE_FL)
		1118	const_iv (FS_APPEND_FL)
		1119	const_iv (FS_NODUMP_FL)
		1120	const_iv (FS_NOATIME_FL)
		1121	const_iv (FS_DIRTY_FL)
		1122	const_iv (FS_COMPRBLK_FL)
		1123	const_iv (FS_NOCOMP_FL)
		1124	const_iv (FS_ENCRYPT_FL)
		1125	const_iv (FS_BTREE_FL)
		1126	const_iv (FS_INDEX_FL)
		1127	const_iv (FS_JOURNAL_DATA_FL)
		1128	const_iv (FS_NOTAIL_FL)
		1129	const_iv (FS_DIRSYNC_FL)
		1130	const_iv (FS_TOPDIR_FL)
		1131	const_iv (FS_FL_USER_MODIFIABLE)
		1132
		1133	const_iv (FS_XFLAG_REALTIME)
		1134	const_iv (FS_XFLAG_PREALLOC)
		1135	const_iv (FS_XFLAG_IMMUTABLE)
		1136	const_iv (FS_XFLAG_APPEND)
		1137	const_iv (FS_XFLAG_SYNC)
		1138	const_iv (FS_XFLAG_NOATIME)
		1139	const_iv (FS_XFLAG_NODUMP)
		1140	const_iv (FS_XFLAG_RTINHERIT)
		1141	const_iv (FS_XFLAG_PROJINHERIT)
		1142	const_iv (FS_XFLAG_NOSYMLINKS)
		1143	const_iv (FS_XFLAG_EXTSIZE)
		1144	const_iv (FS_XFLAG_EXTSZINHERIT)
		1145	const_iv (FS_XFLAG_NODEFRAG)
		1146	const_iv (FS_XFLAG_FILESTREAM)
		1147	const_iv (FS_XFLAG_DAX)
		1148	const_iv (FS_XFLAG_HASATTR)
987		1149
988	const_iv (FIEMAP_FLAG_SYNC)	1150	const_iv (FIEMAP_FLAG_SYNC)
989	const_iv (FIEMAP_FLAG_XATTR)	1151	const_iv (FIEMAP_FLAG_XATTR)
990	const_iv (FIEMAP_FLAGS_COMPAT)	1152	const_iv (FIEMAP_FLAGS_COMPAT)
991	const_iv (FIEMAP_EXTENT_LAST)	1153	const_iv (FIEMAP_EXTENT_LAST)
…		…
1003	const_iv (SPLICE_F_MOVE)	1165	const_iv (SPLICE_F_MOVE)
1004	const_iv (SPLICE_F_NONBLOCK)	1166	const_iv (SPLICE_F_NONBLOCK)
1005	const_iv (SPLICE_F_MORE)	1167	const_iv (SPLICE_F_MORE)
1006	const_iv (SPLICE_F_GIFT)	1168	const_iv (SPLICE_F_GIFT)
1007		1169
1008	const_iv (SEEK_DATA)	1170	const_iv (EFD_CLOEXEC)
		1171	const_iv (EFD_NONBLOCK)
1009	const_iv (SEEK_HOLE)	1172	const_iv (EFD_SEMAPHORE)
1010		1173
1011	/* libeio constants */	1174	/* these are libeio constants, and are independent of gendef0 */
1012	const_eio (SEEK_SET)	1175	const_eio (SEEK_SET)
1013	const_eio (SEEK_CUR)	1176	const_eio (SEEK_CUR)
1014	const_eio (SEEK_END)	1177	const_eio (SEEK_END)
1015		1178
1016	const_eio (MCL_FUTURE)	1179	const_eio (MCL_FUTURE)
…		…
1026	const_eio (SYNC_FILE_RANGE_WRITE)	1189	const_eio (SYNC_FILE_RANGE_WRITE)
1027	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1190	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1028		1191
1029	const_eio (FALLOC_FL_KEEP_SIZE)	1192	const_eio (FALLOC_FL_KEEP_SIZE)
1030	const_eio (FALLOC_FL_PUNCH_HOLE)	1193	const_eio (FALLOC_FL_PUNCH_HOLE)
		1194	const_eio (FALLOC_FL_COLLAPSE_RANGE)
		1195	const_eio (FALLOC_FL_ZERO_RANGE)
		1196	const_eio (FALLOC_FL_INSERT_RANGE)
		1197	const_eio (FALLOC_FL_UNSHARE_RANGE)
		1198
		1199	const_eio (RENAME_NOREPLACE)
		1200	const_eio (RENAME_EXCHANGE)
		1201	const_eio (RENAME_WHITEOUT)
1031		1202
1032	const_eio (READDIR_DENTS)	1203	const_eio (READDIR_DENTS)
1033	const_eio (READDIR_DIRS_FIRST)	1204	const_eio (READDIR_DIRS_FIRST)
1034	const_eio (READDIR_STAT_ORDER)	1205	const_eio (READDIR_STAT_ORDER)
1035	const_eio (READDIR_FOUND_UNKNOWN)	1206	const_eio (READDIR_FOUND_UNKNOWN)
…		…
1103	PROTOTYPE: $	1274	PROTOTYPE: $
1104	CODE:	1275	CODE:
1105	max_outstanding = maxreqs;	1276	max_outstanding = maxreqs;
1106		1277
1107	void	1278	void
1108	aio_wd (SV8 pathname, SV callback=&PL_sv_undef)	1279	aio_wd (SV8 pathname, SV callback = &PL_sv_undef)
1109	PPCODE:	1280	PPCODE:
1110	{	1281	{
1111	dREQ;	1282	dREQ;
1112		1283
1113	req->type = EIO_WD_OPEN;	1284	req->type = EIO_WD_OPEN;
…		…
1115		1286
1116	REQ_SEND;	1287	REQ_SEND;
1117	}	1288	}
1118		1289
1119	void	1290	void
1120	aio_open (SV8 pathname, int flags, int mode, SV callback=&PL_sv_undef)	1291	aio_open (SV8 pathname, int flags, int mode, SV callback = &PL_sv_undef)
1121	PPCODE:	1292	PPCODE:
1122	{	1293	{
1123	dREQ;	1294	dREQ;
1124		1295
1125	req->type = EIO_OPEN;	1296	req->type = EIO_OPEN;
…		…
1129		1300
1130	REQ_SEND;	1301	REQ_SEND;
1131	}	1302	}
1132		1303
1133	void	1304	void
1134	aio_fsync (SV fh, SV callback=&PL_sv_undef)	1305	aio_fsync (SV fh, SV callback = &PL_sv_undef)
1135	ALIAS:	1306	ALIAS:
1136	aio_fsync = EIO_FSYNC	1307	aio_fsync = EIO_FSYNC
1137	aio_fdatasync = EIO_FDATASYNC	1308	aio_fdatasync = EIO_FDATASYNC
1138	aio_syncfs = EIO_SYNCFS	1309	aio_syncfs = EIO_SYNCFS
1139	PPCODE:	1310	PPCODE:
…		…
1147		1318
1148	REQ_SEND;	1319	REQ_SEND;
1149	}	1320	}
1150		1321
1151	void	1322	void
1152	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback=&PL_sv_undef)	1323	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback = &PL_sv_undef)
1153	PPCODE:	1324	PPCODE:
1154	{	1325	{
1155	int fd = s_fileno_croak (fh, 0);	1326	int fd = s_fileno_croak (fh, 0);
1156	dREQ;	1327	dREQ;
1157		1328
…		…
1164		1335
1165	REQ_SEND;	1336	REQ_SEND;
1166	}	1337	}
1167		1338
1168	void	1339	void
1169	aio_allocate (SV fh, int mode, off_t offset, size_t len, SV callback=&PL_sv_undef)	1340	aio_allocate (SV fh, int mode, off_t offset, size_t len, SV callback = &PL_sv_undef)
1170	PPCODE:	1341	PPCODE:
1171	{	1342	{
1172	int fd = s_fileno_croak (fh, 0);	1343	int fd = s_fileno_croak (fh, 0);
1173	dREQ;	1344	dREQ;
1174		1345
…		…
1181		1352
1182	REQ_SEND;	1353	REQ_SEND;
1183	}	1354	}
1184		1355
1185	void	1356	void
1186	aio_close (SV fh, SV callback=&PL_sv_undef)	1357	aio_close (SV fh, SV callback = &PL_sv_undef)
1187	PPCODE:	1358	PPCODE:
1188	{	1359	{
1189	static int close_fd = -1; /* dummy fd to close fds via dup2 */	1360	static int close_fd = -1; /* dummy fd to close fds via dup2 */
1190	int fd = s_fileno_croak (fh, 0);	1361	int fd = s_fileno_croak (fh, 0);
1191	dREQ;	1362	dREQ;
…		…
1215		1386
1216	REQ_SEND;	1387	REQ_SEND;
1217	}	1388	}
1218		1389
1219	void	1390	void
1220	aio_seek (SV fh, SV offset, int whence, SV *callback=&PL_sv_undef)	1391	aio_seek (SV fh, SV offset, int whence, SV *callback = &PL_sv_undef)
1221	PPCODE:	1392	PPCODE:
1222	{	1393	{
1223	int fd = s_fileno_croak (fh, 0);	1394	int fd = s_fileno_croak (fh, 0);
1224	dREQ;	1395	dREQ;
1225		1396
…		…
1231		1402
1232	REQ_SEND;	1403	REQ_SEND;
1233	}	1404	}
1234		1405
1235	void	1406	void
1236	aio_read (SV fh, SV offset, SV length, SV8 data, IV dataoffset, SV *callback=&PL_sv_undef)	1407	aio_read (SV fh, SV offset, SV length, SV8 data, IV dataoffset, SV *callback = &PL_sv_undef)
1237	ALIAS:	1408	ALIAS:
1238	aio_read = EIO_READ	1409	aio_read = EIO_READ
1239	aio_write = EIO_WRITE	1410	aio_write = EIO_WRITE
1240	PPCODE:	1411	PPCODE:
1241	{	1412	{
…		…
1257	len = svlen - dataoffset;	1428	len = svlen - dataoffset;
1258	}	1429	}
1259	else	1430	else
1260	{	1431	{
1261	/* read: check type and grow scalar as necessary */	1432	/* read: check type and grow scalar as necessary */
1262	SvUPGRADE (data, SVt_PV);
1263	if (SvLEN (data) >= SvCUR (data))	1433	if (!SvPOK (data) \|\| SvLEN (data) >= SvCUR (data))
1264	svptr = SvGROW (data, len + dataoffset + 1);	1434	svptr = sv_grow (data, len + dataoffset + 1);
1265	else if (SvCUR (data) < len + dataoffset)	1435	else if (SvCUR (data) < len + dataoffset)
1266	croak ("length + dataoffset outside of scalar, and cannot grow");	1436	croak ("length + dataoffset outside of scalar, and cannot grow");
1267	}	1437	}
1268		1438
1269	{	1439	{
…		…
1287	REQ_SEND;	1457	REQ_SEND;
1288	}	1458	}
1289	}	1459	}
1290		1460
1291	void	1461	void
		1462	aio_ioctl (SV fh, unsigned long request, SV8 arg, SV *callback = &PL_sv_undef)
		1463	ALIAS:
		1464	aio_ioctl = EIO_IOCTL
		1465	aio_fcntl = EIO_FCNTL
		1466	PPCODE:
		1467	{
		1468	int fd = s_fileno_croak (fh, 0);
		1469	char *svptr;
		1470
		1471	if (SvPOK (arg) \|\| !SvNIOK (arg))
		1472	{
		1473	STRLEN svlen;
		1474	/* perl uses IOCPARM_LEN for fcntl, so we do, too */
		1475	#ifdef IOCPARM_LEN
		1476	STRLEN need = IOCPARM_LEN (request);
		1477	#else
		1478	STRLEN need = 256;
		1479	#endif
		1480
		1481	if (svlen < need)
		1482	svptr = SvGROW (arg, need);
		1483	}
		1484	else
		1485	svptr = (char *)SvIV (arg);
		1486
		1487	{
		1488	dREQ;
		1489
		1490	req->type = ix;
		1491	req->sv1 = newSVsv (fh);
		1492	req->int1 = fd;
		1493	req->int2 = (long)request;
		1494	req->sv2 = SvREFCNT_inc (arg);
		1495	req->ptr2 = svptr;
		1496
		1497	REQ_SEND;
		1498	}
		1499	}
		1500
		1501	void
1292	aio_readlink (SV8 pathname, SV callback=&PL_sv_undef)	1502	aio_readlink (SV8 pathname, SV callback = &PL_sv_undef)
1293	ALIAS:	1503	ALIAS:
1294	aio_readlink = EIO_READLINK	1504	aio_readlink = EIO_READLINK
1295	aio_realpath = EIO_REALPATH	1505	aio_realpath = EIO_REALPATH
1296	PPCODE:	1506	PPCODE:
1297	{	1507	{
…		…
1302		1512
1303	REQ_SEND;	1513	REQ_SEND;
1304	}	1514	}
1305		1515
1306	void	1516	void
1307	aio_sendfile (SV out_fh, SV in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1517	aio_sendfile (SV out_fh, SV in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1308	PPCODE:	1518	PPCODE:
1309	{	1519	{
1310	int ifd = s_fileno_croak (in_fh , 0);	1520	int ifd = s_fileno_croak (in_fh , 0);
1311	int ofd = s_fileno_croak (out_fh, 1);	1521	int ofd = s_fileno_croak (out_fh, 1);
1312	dREQ;	1522	dREQ;
…		…
1321		1531
1322	REQ_SEND;	1532	REQ_SEND;
1323	}	1533	}
1324		1534
1325	void	1535	void
1326	aio_readahead (SV fh, off_t offset, size_t length, SV callback=&PL_sv_undef)	1536	aio_readahead (SV fh, off_t offset, size_t length, SV callback = &PL_sv_undef)
1327	PPCODE:	1537	PPCODE:
1328	{	1538	{
1329	int fd = s_fileno_croak (fh, 0);	1539	int fd = s_fileno_croak (fh, 0);
1330	dREQ;	1540	dREQ;
1331		1541
…		…
1337		1547
1338	REQ_SEND;	1548	REQ_SEND;
1339	}	1549	}
1340		1550
1341	void	1551	void
1342	aio_stat (SV8 fh_or_path, SV callback=&PL_sv_undef)	1552	aio_stat (SV8 fh_or_path, SV callback = &PL_sv_undef)
1343	ALIAS:	1553	ALIAS:
1344	aio_stat = EIO_STAT	1554	aio_stat = EIO_STAT
1345	aio_lstat = EIO_LSTAT	1555	aio_lstat = EIO_LSTAT
1346	aio_statvfs = EIO_STATVFS	1556	aio_statvfs = EIO_STATVFS
1347	PPCODE:	1557	PPCODE:
…		…
1356	UV	1566	UV
1357	major (UV dev)	1567	major (UV dev)
1358	ALIAS:	1568	ALIAS:
1359	minor = 1	1569	minor = 1
1360	CODE:	1570	CODE:
1361	RETVAL = ix ? major (dev) : minor (dev);	1571	RETVAL = ix ? minor (dev) : major (dev);
1362	OUTPUT:	1572	OUTPUT:
1363	RETVAL	1573	RETVAL
1364		1574
1365	UV	1575	UV
1366	makedev (UV maj, UV min)	1576	makedev (UV maj, UV min)
…		…
1368	RETVAL = makedev (maj, min);	1578	RETVAL = makedev (maj, min);
1369	OUTPUT:	1579	OUTPUT:
1370	RETVAL	1580	RETVAL
1371		1581
1372	void	1582	void
1373	aio_utime (SV8 fh_or_path, SV atime, SV mtime, SV callback=&PL_sv_undef)	1583	aio_utime (SV8 fh_or_path, SV atime, SV mtime, SV callback = &PL_sv_undef)
1374	PPCODE:	1584	PPCODE:
1375	{	1585	{
1376	dREQ;	1586	dREQ;
1377		1587
1378	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1588	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
…		…
1381		1591
1382	REQ_SEND;	1592	REQ_SEND;
1383	}	1593	}
1384		1594
1385	void	1595	void
1386	aio_truncate (SV8 fh_or_path, SV offset, SV *callback=&PL_sv_undef)	1596	aio_truncate (SV8 fh_or_path, SV offset, SV *callback = &PL_sv_undef)
1387	PPCODE:	1597	PPCODE:
1388	{	1598	{
1389	dREQ;	1599	dREQ;
1390		1600
1391	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1601	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
…		…
1393		1603
1394	REQ_SEND;	1604	REQ_SEND;
1395	}	1605	}
1396		1606
1397	void	1607	void
1398	aio_chmod (SV8 fh_or_path, int mode, SV callback=&PL_sv_undef)	1608	aio_chmod (SV8 fh_or_path, int mode, SV callback = &PL_sv_undef)
1399	PPCODE:	1609	PPCODE:
1400	{	1610	{
1401	dREQ;	1611	dREQ;
1402		1612
1403	req->int2 = mode;	1613	req->int2 = mode;
…		…
1405		1615
1406	REQ_SEND;	1616	REQ_SEND;
1407	}	1617	}
1408		1618
1409	void	1619	void
1410	aio_chown (SV8 fh_or_path, SV uid, SV gid, SV callback=&PL_sv_undef)	1620	aio_chown (SV8 fh_or_path, SV uid, SV gid, SV callback = &PL_sv_undef)
1411	PPCODE:	1621	PPCODE:
1412	{	1622	{
1413	dREQ;	1623	dREQ;
1414		1624
1415	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1625	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
…		…
1418		1628
1419	REQ_SEND;	1629	REQ_SEND;
1420	}	1630	}
1421		1631
1422	void	1632	void
1423	aio_readdirx (SV8 pathname, IV flags, SV callback=&PL_sv_undef)	1633	aio_readdirx (SV8 pathname, IV flags, SV callback = &PL_sv_undef)
1424	PPCODE:	1634	PPCODE:
1425	{	1635	{
1426	dREQ;	1636	dREQ;
1427		1637
1428	req->type = EIO_READDIR;	1638	req->type = EIO_READDIR;
…		…
1435		1645
1436	REQ_SEND;	1646	REQ_SEND;
1437	}	1647	}
1438		1648
1439	void	1649	void
1440	aio_mkdir (SV8 pathname, int mode, SV callback=&PL_sv_undef)	1650	aio_mkdir (SV8 pathname, int mode, SV callback = &PL_sv_undef)
1441	PPCODE:	1651	PPCODE:
1442	{	1652	{
1443	dREQ;	1653	dREQ;
1444		1654
1445	req->type = EIO_MKDIR;	1655	req->type = EIO_MKDIR;
…		…
1448		1658
1449	REQ_SEND;	1659	REQ_SEND;
1450	}	1660	}
1451		1661
1452	void	1662	void
1453	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)	1663	aio_unlink (SV8 pathname, SV callback = &PL_sv_undef)
1454	ALIAS:	1664	ALIAS:
1455	aio_unlink = EIO_UNLINK	1665	aio_unlink = EIO_UNLINK
1456	aio_rmdir = EIO_RMDIR	1666	aio_rmdir = EIO_RMDIR
1457	aio_readdir = EIO_READDIR	1667	aio_readdir = EIO_READDIR
1458	PPCODE:	1668	PPCODE:
…		…
1464		1674
1465	REQ_SEND;	1675	REQ_SEND;
1466	}	1676	}
1467		1677
1468	void	1678	void
1469	aio_link (SV8 oldpath, SV8 newpath, SV *callback=&PL_sv_undef)	1679	aio_link (SV8 oldpath, SV8 newpath, SV *callback = &PL_sv_undef)
1470	ALIAS:	1680	ALIAS:
1471	aio_link = EIO_LINK	1681	aio_link = EIO_LINK
1472	aio_symlink = EIO_SYMLINK	1682	aio_symlink = EIO_SYMLINK
1473	aio_rename = EIO_RENAME	1683	aio_rename = EIO_RENAME
1474	PPCODE:	1684	PPCODE:
…		…
1483		1693
1484	REQ_SEND;	1694	REQ_SEND;
1485	}	1695	}
1486		1696
1487	void	1697	void
		1698	aio_rename2 (SV8 oldpath, SV8 newpath, int flags = 0, SV *callback = &PL_sv_undef)
		1699	PPCODE:
		1700	{
		1701	eio_wd wd2 = 0;
		1702	dREQ;
		1703
		1704	req->type = EIO_RENAME;
		1705	req_set_path1 (req, oldpath);
		1706	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
		1707	req->int2 = flags;
		1708	req->int3 = (long)wd2;
		1709
		1710	REQ_SEND;
		1711	}
		1712
		1713	void
1488	aio_mknod (SV8 pathname, int mode, UV dev, SV callback=&PL_sv_undef)	1714	aio_mknod (SV8 pathname, int mode, UV dev, SV callback = &PL_sv_undef)
1489	PPCODE:	1715	PPCODE:
1490	{	1716	{
1491	dREQ;	1717	dREQ;
1492		1718
1493	req->type = EIO_MKNOD;	1719	req->type = EIO_MKNOD;
…		…
1497		1723
1498	REQ_SEND;	1724	REQ_SEND;
1499	}	1725	}
1500		1726
1501	void	1727	void
1502	aio_mtouch (SV8 data, IV offset = 0, SV length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1728	aio_mtouch (SV8 data, IV offset = 0, SV length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1503	ALIAS:	1729	ALIAS:
1504	aio_mtouch = EIO_MTOUCH	1730	aio_mtouch = EIO_MTOUCH
1505	aio_msync = EIO_MSYNC	1731	aio_msync = EIO_MSYNC
1506	PPCODE:	1732	PPCODE:
1507	{	1733	{
1508	STRLEN svlen;	1734	STRLEN svlen;
1509	char *svptr = SvPVbyte (data, svlen);	1735	char *svptr = SvPVbyte (data, svlen);
1510	UV len = SvUV (length);	1736	UV len = SvUV (length);
		1737
		1738	if (flags < 0)
		1739	flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1511		1740
1512	if (offset < 0)	1741	if (offset < 0)
1513	offset += svlen;	1742	offset += svlen;
1514		1743
1515	if (offset < 0 \|\| offset > svlen)	1744	if (offset < 0 \|\| offset > svlen)
…		…
1530	REQ_SEND;	1759	REQ_SEND;
1531	}	1760	}
1532	}	1761	}
1533		1762
1534	void	1763	void
1535	aio_mlock (SV8 data, IV offset = 0, SV length = &PL_sv_undef, SV *callback=&PL_sv_undef)	1764	aio_mlock (SV8 data, IV offset = 0, SV length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1536	PPCODE:	1765	PPCODE:
1537	{	1766	{
1538	STRLEN svlen;	1767	STRLEN svlen;
1539	char *svptr = SvPVbyte (data, svlen);	1768	char *svptr = SvPVbyte (data, svlen);
1540	UV len = SvUV (length);	1769	UV len = SvUV (length);
…		…
1559	REQ_SEND;	1788	REQ_SEND;
1560	}	1789	}
1561	}	1790	}
1562		1791
1563	void	1792	void
1564	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)	1793	aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1565	PPCODE:	1794	PPCODE:
1566	{	1795	{
1567	dREQ;	1796	dREQ;
1568		1797
1569	req->type = EIO_MLOCKALL;	1798	req->type = EIO_MLOCKALL;
…		…
1571		1800
1572	REQ_SEND;	1801	REQ_SEND;
1573	}	1802	}
1574		1803
1575	void	1804	void
1576	aio_fiemap (SV fh, off_t start, SV length, U32 flags, SV count, SV callback=&PL_sv_undef)	1805	aio_fiemap (SV fh, off_t start, SV length, U32 flags, SV count, SV callback = &PL_sv_undef)
1577	PPCODE:	1806	PPCODE:
1578	{	1807	{
1579	int fd = s_fileno_croak (fh, 0);	1808	int fd = s_fileno_croak (fh, 0);
1580	dREQ;	1809	dREQ;
1581		1810
…		…
1594		1823
1595	REQ_SEND;	1824	REQ_SEND;
1596	}	1825	}
1597		1826
1598	void	1827	void
		1828	aio_slurp (SV pathname, off_t offset, UV length, SV8 data, SV *callback = &PL_sv_undef)
		1829	PPCODE:
		1830	{
		1831	char *svptr = 0;
		1832
		1833	sv_clear_foreign (data);
		1834
		1835	if (length) /* known length, directly read into scalar */
		1836	{
		1837	if (!SvPOK (data) \|\| SvLEN (data) >= SvCUR (data))
		1838	svptr = sv_grow (data, length + 1);
		1839	else if (SvCUR (data) < length)
		1840	croak ("length outside of scalar, and cannot grow");
		1841	else
		1842	svptr = SvPVbyte_nolen (data);
		1843	}
		1844
		1845	{
		1846	dREQ;
		1847
		1848	req->type = EIO_SLURP;
		1849	req_set_path1 (req, pathname);
		1850	req->offs = offset;
		1851	req->size = length;
		1852	req->sv2 = SvREFCNT_inc (data);
		1853	req->ptr2 = svptr;
		1854
		1855	if (!SvREADONLY (data))
		1856	{
		1857	SvREADONLY_on (data);
		1858	req->flags \|= FLAG_SV2_RO_OFF;
		1859	}
		1860
		1861	REQ_SEND;
		1862	}
		1863	}
		1864
		1865	void
1599	aio_busy (double delay, SV *callback=&PL_sv_undef)	1866	aio_busy (double delay, SV *callback = &PL_sv_undef)
1600	PPCODE:	1867	PPCODE:
1601	{	1868	{
1602	dREQ;	1869	dREQ;
1603		1870
1604	req->type = EIO_BUSY;	1871	req->type = EIO_BUSY;
…		…
1606		1873
1607	REQ_SEND;	1874	REQ_SEND;
1608	}	1875	}
1609		1876
1610	void	1877	void
1611	aio_group (SV *callback=&PL_sv_undef)	1878	aio_group (SV *callback = &PL_sv_undef)
1612	PPCODE:	1879	PPCODE:
1613	{	1880	{
1614	dREQ;	1881	dREQ;
1615		1882
1616	req->type = EIO_GROUP;	1883	req->type = EIO_GROUP;
1617		1884
		1885	PUTBACK;
1618	req_submit (req);	1886	req_submit (req);
		1887	SPAGAIN;
		1888
1619	XPUSHs (req_sv (req, aio_grp_stash));	1889	XPUSHs (req_sv (req, aio_grp_stash));
1620	}	1890	}
1621		1891
1622	void	1892	void
1623	aio_nop (SV *callback=&PL_sv_undef)	1893	aio_nop (SV *callback = &PL_sv_undef)
1624	ALIAS:	1894	ALIAS:
1625	aio_nop = EIO_NOP	1895	aio_nop = EIO_NOP
1626	aio_sync = EIO_SYNC	1896	aio_sync = EIO_SYNC
1627	PPCODE:	1897	PPCODE:
1628	{	1898	{
…		…
1632		1902
1633	REQ_SEND;	1903	REQ_SEND;
1634	}	1904	}
1635		1905
1636	int	1906	int
1637	aioreq_pri (int pri = 0)	1907	aioreq_pri (int pri = NO_INIT)
1638	CODE:	1908	CODE:
1639	RETVAL = next_pri;	1909	RETVAL = next_pri;
1640	if (items > 0)	1910	if (items > 0)
1641	{	1911	{
1642	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1912	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1732	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	2002	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1733	OUTPUT:	2003	OUTPUT:
1734	RETVAL	2004	RETVAL
1735		2005
1736	void	2006	void
1737	mmap (SV scalar, size_t length, int prot, int flags, SV fh = &PL_sv_undef, off_t offset = 0)	2007	mmap (SV scalar, STRLEN length, int prot, int flags, SV fh = &PL_sv_undef, off_t offset = 0)
1738	PPCODE:	2008	PPCODE:
1739	sv_unmagic (scalar, MMAP_MAGIC);	2009	sv_clear_foreign (scalar);
1740	{	2010	{
1741	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	2011	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1742	void addr = (void )mmap (0, length, prot, flags, fd, offset);	2012	void addr = (void )mmap (0, length, prot, flags, fd, offset);
1743	if (addr == (void *)-1)	2013	if (addr == (void *)-1)
1744	XSRETURN_NO;	2014	XSRETURN_NO;
1745		2015
1746	sv_force_normal (scalar);	2016	sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1747
1748	/* we store the length in mg_obj, as namlen is I32 :/ */
1749	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1750	->mg_obj = (SV *)length;
1751
1752	SvUPGRADE (scalar, SVt_PV); /* nop... */
1753		2017
1754	if (!(prot & PROT_WRITE))	2018	if (!(prot & PROT_WRITE))
1755	SvREADONLY_on (scalar);	2019	SvREADONLY_on (scalar);
1756		2020
1757	if (SvLEN (scalar))
1758	Safefree (SvPVX (scalar));
1759
1760	SvPVX (scalar) = (char *)addr;
1761	SvCUR_set (scalar, length);
1762	SvLEN_set (scalar, 0);
1763	SvPOK_only (scalar);
1764
1765	XSRETURN_YES;	2021	XSRETURN_YES;
1766	}	2022	}
1767		2023
1768	void	2024	void
1769	munmap (SV *scalar)	2025	munmap (SV *scalar)
1770	CODE:	2026	CODE:
1771	sv_unmagic (scalar, MMAP_MAGIC);	2027	sv_clear_foreign (scalar);
1772		2028
1773	int	2029	int
1774	madvise (SV scalar, off_t offset = 0, SV length = &PL_sv_undef, IV advice_or_prot)	2030	madvise (SV scalar, STRLEN offset = 0, SV length = &PL_sv_undef, IV advice_or_prot)
1775	ALIAS:	2031	ALIAS:
1776	mprotect = 1	2032	mprotect = 1
1777	CODE:	2033	CODE:
1778	{	2034	{
1779	STRLEN svlen;	2035	STRLEN svlen;
1780	void *addr = SvPVbyte (scalar, svlen);	2036	void *addr = SvPVbyte (scalar, svlen);
1781	size_t len = SvUV (length);	2037	STRLEN len = SvUV (length);
1782		2038
1783	if (offset < 0)	2039	if (offset < 0)
1784	offset += svlen;	2040	offset += svlen;
1785		2041
1786	if (offset < 0 \|\| offset > svlen)	2042	if (offset < 0 \|\| offset > svlen)
…		…
1800	}	2056	}
1801	OUTPUT:	2057	OUTPUT:
1802	RETVAL	2058	RETVAL
1803		2059
1804	int	2060	int
1805	munlock (SV scalar, off_t offset = 0, SV length = &PL_sv_undef)	2061	munlock (SV scalar, STRLEN offset = 0, SV length = &PL_sv_undef)
1806	CODE:	2062	CODE:
1807	{	2063	{
1808	STRLEN svlen;	2064	STRLEN svlen;
1809	void *addr = SvPVbyte (scalar, svlen);	2065	void *addr = SvPVbyte (scalar, svlen);
1810	size_t len = SvUV (length);	2066	size_t len = SvUV (length);
…		…
1866	#else	2122	#else
1867	RETVAL = EIO_ENOSYS ();	2123	RETVAL = EIO_ENOSYS ();
1868	#endif	2124	#endif
1869	OUTPUT:	2125	OUTPUT:
1870	RETVAL	2126	RETVAL
		2127
		2128	int
		2129	pipesize (aio_rfd rfh, int new_size = -1)
		2130	PROTOTYPE: $;$
		2131	CODE:
		2132	#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
		2133	if (new_size >= 0)
		2134	RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
		2135	else
		2136	RETVAL = fcntl (rfh, F_GETPIPE_SZ);
		2137	#else
		2138	errno = ENOSYS;
		2139	RETVAL = -1;
		2140	#endif
		2141	OUTPUT:
		2142	RETVAL
		2143
		2144	void
		2145	pipe2 (int flags = 0)
		2146	PROTOTYPE: ;$
		2147	PPCODE:
		2148	{
		2149	int fd[2];
		2150	int res;
		2151
		2152	if (flags)
		2153	#if HAVE_PIPE2
		2154	res = pipe2 (fd, flags);
		2155	#else
		2156	res = (errno = ENOSYS, -1);
		2157	#endif
		2158	else
		2159	res = pipe (fd);
		2160
		2161	if (!res)
		2162	{
		2163	EXTEND (SP, 2);
		2164	PUSHs (newmortalFH (fd[0], O_RDONLY));
		2165	PUSHs (newmortalFH (fd[1], O_WRONLY));
		2166	}
		2167	}
		2168
		2169	void
		2170	eventfd (unsigned int initval = 0, int flags = 0)
		2171	PPCODE:
		2172	{
		2173	int fd;
		2174	#if HAVE_EVENTFD
		2175	fd = eventfd (initval, flags);
		2176	#else
		2177	fd = (errno = ENOSYS, -1);
		2178	#endif
		2179
		2180	XPUSHs (newmortalFH (fd, O_RDWR));
		2181	}
		2182
		2183	UV
		2184	get_fdlimit ()
		2185	CODE:
		2186	#if HAVE_RLIMITS
		2187	struct rlimit rl;
		2188	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2189	XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
		2190	#endif
		2191	XSRETURN_UNDEF;
		2192	OUTPUT:
		2193	RETVAL
		2194
		2195	void
		2196	min_fdlimit (UV limit = 0x7fffffffU)
		2197	CODE:
		2198	{
		2199	#if HAVE_RLIMITS
		2200	struct rlimit rl;
		2201	rlim_t orig_rlim_max;
		2202	UV bit;
		2203
		2204	if (0 != getrlimit (RLIMIT_NOFILE, &rl))
		2205	goto fail;
		2206
		2207	if (rl.rlim_cur == RLIM_INFINITY)
		2208	XSRETURN_YES;
		2209
		2210	orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
		2211
		2212	if (rl.rlim_cur < limit)
		2213	{
		2214	rl.rlim_cur = limit;
		2215
		2216	if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
		2217	rl.rlim_max = rl.rlim_cur;
		2218	}
		2219
		2220	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2221	XSRETURN_YES;
		2222
		2223	if (errno == EPERM)
		2224	{
		2225	/* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
		2226	/* our limit overflows a system-wide limit */
		2227	/* try an adaptive algorithm, but do not lower the hardlimit */
		2228	rl.rlim_max = 0;
		2229	for (bit = 0x40000000U; bit; bit >>= 1)
		2230	{
		2231	rl.rlim_max \|= bit;
		2232	rl.rlim_cur = rl.rlim_max;
		2233
		2234	/* nevr decrease the hard limit */
		2235	if (rl.rlim_max < orig_rlim_max)
		2236	break;
		2237
		2238	if (0 != setrlimit (RLIMIT_NOFILE, &rl))
		2239	rl.rlim_max &= ~bit; /* too high, remove bit again */
		2240	}
		2241
		2242	/* now, raise the soft limit to the max permitted */
		2243	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2244	{
		2245	rl.rlim_cur = rl.rlim_max;
		2246	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2247	errno = EPERM;
		2248	}
		2249	}
		2250	#endif
		2251	fail:
		2252	XSRETURN_UNDEF;
		2253	}
1871		2254
1872	void _on_next_submit (SV *cb)	2255	void _on_next_submit (SV *cb)
1873	CODE:	2256	CODE:
1874	SvREFCNT_dec (on_next_submit);	2257	SvREFCNT_dec (on_next_submit);
1875	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	2258	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
…		…
1910	cancel (aio_req_ornot req)	2293	cancel (aio_req_ornot req)
1911	CODE:	2294	CODE:
1912	eio_cancel (req);	2295	eio_cancel (req);
1913		2296
1914	void	2297	void
1915	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	2298	cb (aio_req_ornot req, SV *callback = NO_INIT)
1916	PPCODE:	2299	PPCODE:
1917	{	2300	{
1918	if (GIMME_V != G_VOID)	2301	if (GIMME_V != G_VOID)
1919	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	2302	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1920		2303
1921	if (items > 1)	2304	if (items > 1)
1922	{	2305	{
1923	SV *cb_cv =get_cb (callback);	2306	SV *cb_cv = get_cb (callback);
1924		2307
1925	SvREFCNT_dec (req->callback);	2308	SvREFCNT_dec (req->callback);
1926	req->callback = SvREFCNT_inc (cb_cv);	2309	req->callback = SvREFCNT_inc (cb_cv);
1927	}	2310	}
1928	}	2311	}
…		…
1985	limit (aio_req grp, int limit)	2368	limit (aio_req grp, int limit)
1986	CODE:	2369	CODE:
1987	eio_grp_limit (grp, limit);	2370	eio_grp_limit (grp, limit);
1988		2371
1989	void	2372	void
1990	feed (aio_req grp, SV *callback=&PL_sv_undef)	2373	feed (aio_req grp, SV *callback = &PL_sv_undef)
1991	CODE:	2374	CODE:
1992	{	2375	{
1993	SvREFCNT_dec (grp->sv2);	2376	SvREFCNT_dec (grp->sv2);
1994	grp->sv2 = newSVsv (callback);	2377	grp->sv2 = newSVsv (callback);
1995	grp->feed = aio_grp_feed;	2378	grp->feed = aio_grp_feed;

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+Removed lines
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+Changed lines
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Comparing IO-AIO/AIO.xs (file contents): Revision 1.224 by root, Thu Oct 11 03:20:52 2012 UTC vs. Revision 1.253 by root, Tue Feb 20 04:32:59 2018 UTC

Diff Legend

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.224 by root, Thu Oct 11 03:20:52 2012 UTC vs.
Revision 1.253 by root, Tue Feb 20 04:32:59 2018 UTC