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/cvs/IO-AIO/AIO.xs

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.228 by root, Fri Jan 24 23:46:16 2014 UTC vs.
Revision 1.267 by root, Sat Aug 25 19:25:32 2018 UTC

…		…
4		4
5	#include "EXTERN.h"	5	#include "EXTERN.h"
6	#include "perl.h"	6	#include "perl.h"
7	#include "XSUB.h"	7	#include "XSUB.h"
8		8
9	#include "schmorp.h"	9	#if !defined mg_findext
		10	# define mg_findext(sv,type,vtbl) mg_find (sv, type)
		11	#endif
10		12
11	#include <stddef.h>	13	#include <stddef.h>
12	#include <stdlib.h>	14	#include <stdlib.h>
13	#include <errno.h>	15	#include <errno.h>
14	#include <sys/types.h>	16	#include <sys/types.h>
		17	#include <sys/socket.h>
15	#include <sys/stat.h>	18	#include <sys/stat.h>
16	#include <limits.h>	19	#include <limits.h>
17	#include <fcntl.h>	20	#include <fcntl.h>
18	#include <sched.h>	21	#include <sched.h>
19		22
		23	#if HAVE_SYS_MKDEV_H
		24	# include <sys/mkdev.h>
		25	#elif HAVE_SYS_SYSMACROS_H
		26	# include <sys/sysmacros.h>
		27	#endif
		28
20	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES	29	#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
21	# include <sys/mman.h>	30	# include <sys/mman.h>
22	#endif	31	#endif
23		32
24	#if __linux__	33	/* the incompetent fool that created musl keeps __linux__, refuses
		34	* to implement any linux standard apis, and also has no way to test
		35	* for his broken iplementation. don't complain to me if this fails
		36	* for you.
		37	*/
		38	#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
25	# include <linux/fs.h>	39	# include <linux/fs.h>
26	# ifdef FS_IOC_FIEMAP	40	# ifdef FS_IOC_FIEMAP
27	# include <linux/types.h>	41	# include <linux/types.h>
28	# include <linux/fiemap.h>	42	# include <linux/fiemap.h>
29	# define HAVE_FIEMAP 1	43	# define HAVE_FIEMAP 1
…		…
70	#undef fchmod	84	#undef fchmod
71	#undef dup	85	#undef dup
72	#undef dup2	86	#undef dup2
73	#undef abort	87	#undef abort
74	#undef pipe	88	#undef pipe
		89	#undef utime
75		90
76	#define EIO_STRUCT_STAT struct _stati64	91	#define EIO_STRUCT_STAT struct _stati64
77	#define EIO_STRUCT_STATI64	92	#define EIO_STRUCT_STATI64
78		93
79	#else	94	#else
…		…
98		113
99	#define expect_false(expr) expect ((expr) != 0, 0)	114	#define expect_false(expr) expect ((expr) != 0, 0)
100	#define expect_true(expr) expect ((expr) != 0, 1)	115	#define expect_true(expr) expect ((expr) != 0, 1)
101		116
102	/*****************************************************************************/	117	/*****************************************************************************/
		118
		119	#include "config.h"
		120
		121	#if HAVE_ST_XTIMENSEC
		122	# define ATIMENSEC PL_statcache.st_atimensec
		123	# define MTIMENSEC PL_statcache.st_mtimensec
		124	# define CTIMENSEC PL_statcache.st_ctimensec
		125	#elif HAVE_ST_XTIMESPEC
		126	# define ATIMENSEC PL_statcache.st_atim.tv_nsec
		127	# define MTIMENSEC PL_statcache.st_mtim.tv_nsec
		128	# define CTIMENSEC PL_statcache.st_ctim.tv_nsec
		129	#else
		130	# define ATIMENSEC 0
		131	# define MTIMENSEC 0
		132	# define CTIMENSEC 0
		133	#endif
		134
		135	#if HAVE_ST_BIRTHTIMENSEC
		136	# define BTIMESEC PL_statcache.st_birthtime
		137	# define BTIMENSEC PL_statcache.st_birthtimensec
		138	#elif HAVE_ST_BIRTHTIMESPEC
		139	# define BTIMESEC PL_statcache.st_birthtim.tv_sec
		140	# define BTIMENSEC PL_statcache.st_birthtim.tv_nsec
		141	#else
		142	# define BTIMESEC 0
		143	# define BTIMENSEC 0
		144	#endif
		145
		146	#if HAVE_ST_GEN
		147	# define ST_GEN PL_statcache.st_gen
		148	#else
		149	# define ST_GEN 0
		150	#endif
		151
		152	#include "schmorp.h"
		153
		154	#if HAVE_EVENTFD
		155	# include <sys/eventfd.h>
		156	#endif
		157
		158	#if HAVE_TIMERFD
		159	# include <sys/timerfd.h>
		160	#endif
		161
		162	#if HAVE_RLIMITS
		163	#include <sys/time.h>
		164	#include <sys/resource.h>
		165	#endif
103		166
104	typedef SV SV8; /* byte-sv, used for argument-checking */	167	typedef SV SV8; /* byte-sv, used for argument-checking */
105	typedef int aio_rfd; /* read file desriptor */	168	typedef int aio_rfd; /* read file desriptor */
106	typedef int aio_wfd; /* write file descriptor */	169	typedef int aio_wfd; /* write file descriptor */
107		170
…		…
114	STRLEN stroffset; \	177	STRLEN stroffset; \
115	SV *self;	178	SV *self;
116		179
117	#define EIO_NO_WRAPPERS 1	180	#define EIO_NO_WRAPPERS 1
118		181
119	#include "libeio/config.h"
120	#include "libeio/eio.h"	182	#include "libeio/eio.h"
121		183
122	static int req_invoke (eio_req *req);	184	static int req_invoke (eio_req *req);
123	#define EIO_FINISH(req) req_invoke (req)	185	#define EIO_FINISH(req) req_invoke (req)
124	static void req_destroy (eio_req *grp);	186	static void req_destroy (eio_req *grp);
…		…
140	# else	202	# else
141	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	203	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
142	# endif	204	# endif
143	#endif	205	#endif
144		206
145	/* defines all sorts of constants to 0 unless they are already defined */
146	#include "def0.h"
147
148	#ifndef makedev	207	#ifndef makedev
149	# define makedev(maj,min) (((maj) << 8) | (min))	208	# define makedev(maj,min) (((maj) << 8) | (min))
150	#endif	209	#endif
151	#ifndef major	210	#ifndef major
152	# define major(dev) ((dev) >> 8)	211	# define major(dev) ((dev) >> 8)
153	#endif	212	#endif
154	#ifndef minor	213	#ifndef minor
155	# define minor(dev) ((dev) & 0xff)	214	# define minor(dev) ((dev) & 0xff)
156	#endif	215	#endif
157		216
		217	/* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */
		218	#ifdef __sun
		219	# undef PAGESIZE
		220	#endif
		221
158	#if PAGESIZE <= 0	222	#if PAGESIZE <= 0
159	# define PAGESIZE sysconf (_SC_PAGESIZE)	223	# define PAGESIZE sysconf (_SC_PAGESIZE)
160	#endif	224	#endif
		225
		226	/*****************************************************************************/
		227
		228	#if !_POSIX_MAPPED_FILES
		229	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
		230	# define munmap(addr,length) EIO_ENOSYS ()
		231	#endif
		232
		233	#if !_POSIX_MEMORY_PROTECTION
		234	# define mprotect(addr,len,prot) EIO_ENOSYS ()
		235	#endif
		236
		237	#if !MREMAP_MAYMOVE
		238	# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
		239	#endif
		240
		241	#define FOREIGN_MAGIC PERL_MAGIC_ext
		242
		243	static int ecb_cold
		244	mmap_free (pTHX_ SV *sv, MAGIC *mg)
		245	{
		246	int old_errno = errno;
		247	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		248	errno = old_errno;
		249
		250	mg->mg_obj = 0; /* just in case */
		251
		252	SvREADONLY_off (sv);
		253
		254	if (SvPVX (sv) != mg->mg_ptr)
		255	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		256
		257	SvCUR_set (sv, 0);
		258	SvPVX (sv) = 0;
		259	SvOK_off (sv);
		260
		261	return 0;
		262	}
		263
		264	static MGVTBL mmap_vtbl = {
		265	0, 0, 0, 0, mmap_free
		266	};
		267
		268	static int ecb_cold
		269	sysfree_free (pTHX_ SV *sv, MAGIC *mg)
		270	{
		271	free (mg->mg_ptr);
		272	mg->mg_obj = 0; /* just in case */
		273
		274	SvREADONLY_off (sv);
		275
		276	if (SvPVX (sv) != mg->mg_ptr)
		277	croak ("ERROR: IO::AIO mapped scalar changed location, detected");
		278
		279	SvCUR_set (sv, 0);
		280	SvPVX (sv) = 0;
		281	SvOK_off (sv);
		282
		283	return 0;
		284	}
		285
		286	static MGVTBL sysfree_vtbl = {
		287	0, 0, 0, 0, sysfree_free
		288	};
		289
		290	/*****************************************************************************/
		291
		292	/* helper: set scalar to foreign ptr with custom free */
		293	static void
		294	sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
		295	{
		296	sv_force_normal (sv);
		297
		298	/* we store the length in mg_obj, as namlen is I32 :/ */
		299	sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
		300	->mg_obj = (SV *)length;
		301
		302	SvUPGRADE (sv, SVt_PV); /* nop... */
		303
		304	if (SvLEN (sv))
		305	Safefree (SvPVX (sv));
		306
		307	SvPVX (sv) = (char *)addr;
		308	SvCUR_set (sv, length);
		309	SvLEN_set (sv, 0);
		310	SvPOK_only (sv);
		311	}
		312
		313	static void
		314	sv_clear_foreign (SV *sv)
		315	{
		316	/* todo: iterate over magic and only free ours, but of course */
		317	/* the perl5porters will call that (correct) behaviour buggy */
		318	sv_unmagic (sv, FOREIGN_MAGIC);
		319	}
		320
		321	/*****************************************************************************/
		322
		323	/* defines all sorts of constants to 0 unless they are already defined */
		324	/* also provides const_iv_ and const_niv_ macros for them */
		325	#include "def0.h"
161		326
162	/*****************************************************************************/	327	/*****************************************************************************/
163		328
164	static void	329	static void
165	fiemap (eio_req *req)	330	fiemap (eio_req *req)
…		…
257	#endif	422	#endif
258	}	423	}
259		424
260	/*****************************************************************************/	425	/*****************************************************************************/
261		426
		427	static int close_fd; /* dummy fd to close fds via dup2 */
		428
262	enum {	429	enum {
263	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	430	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
264	};	431	};
265		432
266	typedef eio_req *aio_req;	433	typedef eio_req *aio_req;
…		…
304	}	471	}
305		472
306	static SV *	473	static SV *
307	newSVaio_wd (aio_wd wd)	474	newSVaio_wd (aio_wd wd)
308	{	475	{
309	return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash);	476	return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
310	}	477	}
311		478
312	static aio_req	479	static aio_req
313	SvAIO_REQ (SV *sv)	480	SvAIO_REQ (SV *sv)
314	{	481	{
…		…
333	|| SvTYPE (SvRV (sv)) != SVt_PVMG	500	|| SvTYPE (SvRV (sv)) != SVt_PVMG
334	|| SvSTASH (SvRV (sv)) != aio_wd_stash)	501	|| SvSTASH (SvRV (sv)) != aio_wd_stash)
335	croak ("IO::AIO: expected a working directory object as returned by aio_wd");	502	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
336		503
337	return (aio_wd)(long)SvIVX (SvRV (sv));	504	return (aio_wd)(long)SvIVX (SvRV (sv));
		505	}
		506
		507	static SV *
		508	newmortalFH (int fd, int flags)
		509	{
		510	if (fd < 0)
		511	return &PL_sv_undef;
		512
		513	GV *gv = (GV *)sv_newmortal ();
		514	char sym[64];
		515	int symlen;
		516
		517	symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
		518	gv_init (gv, aio_stash, sym, symlen, 0);
		519
		520	symlen = snprintf (
		521	sym,
		522	sizeof (sym),
		523	"%s&=%d",
		524	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
		525	fd
		526	);
		527
		528	return do_open (gv, sym, symlen, 0, 0, 0, 0)
		529	? (SV *)gv : &PL_sv_undef;
338	}	530	}
339		531
340	static void	532	static void
341	aio_grp_feed (aio_req grp)	533	aio_grp_feed (aio_req grp)
342	{	534	{
…		…
470	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));	662	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
471	}	663	}
472	break;	664	break;
473		665
474	case EIO_OPEN:	666	case EIO_OPEN:
475	{	667	PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
476	/* convert fd to fh */
477	SV *fh = &PL_sv_undef;
478
479	if (req->result >= 0)
480	{
481	GV *gv = (GV *)sv_newmortal ();
482	int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
483	char sym [64];
484	int symlen;
485
486	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
487	gv_init (gv, aio_stash, sym, symlen, 0);
488
489	symlen = snprintf (
490	sym,
491	sizeof (sym),
492	"%s&=%d",
493	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
494	(int)req->result
495	);
496
497	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
498	fh = (SV *)gv;
499	}
500
501	PUSHs (fh);
502	}
503	break;	668	break;
504		669
505	case EIO_STATVFS:	670	case EIO_STATVFS:
506	case EIO_FSTATVFS:	671	case EIO_FSTATVFS:
507	{	672	{
…		…
587	SvSETMAGIC (req->sv2);	752	SvSETMAGIC (req->sv2);
588	PUSHs (sv_result);	753	PUSHs (sv_result);
589	}	754	}
590	break;	755	break;
591		756
		757	case EIO_SLURP:
		758	{
		759	if (req->result >= 0)
		760	{
		761	/* if length was originally not known, we steal the malloc'ed memory */
		762	if (req->flags & EIO_FLAG_PTR2_FREE)
		763	{
		764	req->flags &= ~EIO_FLAG_PTR2_FREE;
		765	sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
		766	}
		767	else
		768	{
		769	SvCUR_set (req->sv2, req->result);
		770	*SvEND (req->sv2) = 0;
		771	SvPOK_only (req->sv2);
		772	}
		773
		774	SvSETMAGIC (req->sv2);
		775	}
		776
		777	PUSHs (sv_result);
		778	}
		779	break;
		780
592	case EIO_CUSTOM:	781	case EIO_CUSTOM:
593	if (req->feed == fiemap)	782	if (req->feed == fiemap)
594	{	783	{
595	#if HAVE_FIEMAP	784	#if HAVE_FIEMAP
596	if (!req->result)	785	if (!req->result)
…		…
701	{	890	{
702	while (eio_nreqs ())	891	while (eio_nreqs ())
703	{	892	{
704	int size;	893	int size;
705		894
706	X_LOCK (reslock);	895	X_LOCK (EIO_POOL->reslock);
707	size = res_queue.size;	896	size = EIO_POOL->res_queue.size;
708	X_UNLOCK (reslock);	897	X_UNLOCK (EIO_POOL->reslock);
709		898
710	if (size)	899	if (size)
711	return;	900	return;
712		901
713	etp_maybe_start_thread ();	902	etp_maybe_start_thread (EIO_POOL);
714		903
715	s_epipe_wait (&respipe);	904	s_epipe_wait (&respipe);
716	}	905	}
717	}	906	}
718		907
…		…
739	create_respipe ();	928	create_respipe ();
740		929
741	if (eio_init (want_poll, done_poll) < 0)	930	if (eio_init (want_poll, done_poll) < 0)
742	croak ("IO::AIO: unable to initialise eio library");	931	croak ("IO::AIO: unable to initialise eio library");
743	}	932	}
744
745	/*****************************************************************************/
746
747	#if !_POSIX_MAPPED_FILES
748	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
749	# define munmap(addr,length) EIO_ENOSYS ()
750	#endif
751
752	#if !_POSIX_MEMORY_PROTECTION
753	# define mprotect(addr,len,prot) EIO_ENOSYS ()
754	# define PROT_NONE 0
755	# define PROT_WRITE 0
756	# define MAP_PRIVATE 0
757	# define MAP_SHARED 0
758	# define MAP_FIXED 0
759	#endif
760
761	#define MMAP_MAGIC PERL_MAGIC_ext
762
763	static int ecb_cold
764	mmap_free (pTHX_ SV *sv, MAGIC *mg)
765	{
766	int old_errno = errno;
767	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
768	errno = old_errno;
769
770	mg->mg_obj = 0; /* just in case */
771
772	SvREADONLY_off (sv);
773
774	if (SvPVX (sv) != mg->mg_ptr)
775	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
776
777	SvCUR_set (sv, 0);
778	SvPVX (sv) = 0;
779	SvOK_off (sv);
780
781	return 0;
782	}
783
784	static MGVTBL mmap_vtbl = {
785	0, 0, 0, 0, mmap_free
786	};
787		933
788	/*****************************************************************************/	934	/*****************************************************************************/
789		935
790	static SV *	936	static SV *
791	get_cb (SV *cb_sv)	937	get_cb (SV *cb_sv)
…		…
887	req_set_path1 (req, fh_or_path);	1033	req_set_path1 (req, fh_or_path);
888	break;	1034	break;
889	}	1035	}
890	}	1036	}
891		1037
		1038	/*****************************************************************************/
		1039
		1040	static void
		1041	ts_set (struct timespec *ts, NV value)
		1042	{
		1043	ts->tv_sec = value;
		1044	ts->tv_nsec = (value - ts->tv_sec) * 1e9;
		1045	}
		1046
		1047	static NV
		1048	ts_get (const struct timespec *ts)
		1049	{
		1050	return ts->tv_sec + ts->tv_nsec * 1e-9;
		1051	}
		1052
		1053	/*****************************************************************************/
		1054
892	XS(boot_IO__AIO) ecb_cold;	1055	XS(boot_IO__AIO) ecb_cold;
893		1056
894	MODULE = IO::AIO PACKAGE = IO::AIO	1057	MODULE = IO::AIO PACKAGE = IO::AIO
895		1058
896	PROTOTYPES: ENABLE	1059	PROTOTYPES: ENABLE
…		…
903	} *civ, const_iv[] = {	1066	} *civ, const_iv[] = {
904	# define const_niv(name, value) { # name, (IV) value },	1067	# define const_niv(name, value) { # name, (IV) value },
905	# define const_iv(name) { # name, (IV) name },	1068	# define const_iv(name) { # name, (IV) name },
906	# define const_eio(name) { # name, (IV) EIO_ ## name },	1069	# define const_eio(name) { # name, (IV) EIO_ ## name },
907		1070
908	/* you have to re-run ./gendef0 after adding/Removing any constants here */	1071	/* you have to re-run ./gendef0 after adding/removing any constants here */
909		1072	/* the first block can be undef if missing */
910	const_iv (ENOSYS)	1073	const_iv (ENOSYS)
911	const_iv (EXDEV)	1074	const_iv (EXDEV)
912	const_iv (EBADR)	1075	const_iv (EBADR)
		1076
		1077	/* for lseek */
		1078	const_iv (SEEK_DATA)
		1079	const_iv (SEEK_HOLE)
		1080
		1081	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
		1082	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		1083	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
		1084	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		1085	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		1086	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		1087
		1088	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		1089	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		1090	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		1091	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		1092	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		1093
		1094	/* the second block will be 0 when missing */
		1095	const_iv (O_ACCMODE)
913		1096
914	const_iv (O_RDONLY)	1097	const_iv (O_RDONLY)
915	const_iv (O_WRONLY)	1098	const_iv (O_WRONLY)
916	const_iv (O_RDWR)	1099	const_iv (O_RDWR)
917	const_iv (O_CREAT)	1100	const_iv (O_CREAT)
…		…
931	const_iv (O_SEARCH)	1114	const_iv (O_SEARCH)
932	const_iv (O_DIRECTORY)	1115	const_iv (O_DIRECTORY)
933	const_iv (O_DSYNC)	1116	const_iv (O_DSYNC)
934	const_iv (O_RSYNC)	1117	const_iv (O_RSYNC)
935	const_iv (O_SYNC)	1118	const_iv (O_SYNC)
		1119	const_iv (O_PATH)
		1120	const_iv (O_TMPFILE)
936	const_iv (O_TTY_INIT)	1121	const_iv (O_TTY_INIT)
937		1122
938	const_iv (S_IFIFO)	1123	const_iv (S_IFIFO)
939	const_iv (S_IFCHR)	1124	const_iv (S_IFCHR)
940	const_iv (S_IFBLK)	1125	const_iv (S_IFBLK)
…		…
942	const_iv (S_IFREG)	1127	const_iv (S_IFREG)
943	const_iv (S_IFDIR)	1128	const_iv (S_IFDIR)
944	const_iv (S_IFWHT)	1129	const_iv (S_IFWHT)
945	const_iv (S_IFSOCK)	1130	const_iv (S_IFSOCK)
946	const_iv (S_IFMT)	1131	const_iv (S_IFMT)
947
948	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
949	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
950	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
951	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
952	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
953	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
954
955	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
956	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
957	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
958	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
959	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
960		1132
961	const_iv (ST_RDONLY)	1133	const_iv (ST_RDONLY)
962	const_iv (ST_NOSUID)	1134	const_iv (ST_NOSUID)
963	const_iv (ST_NODEV)	1135	const_iv (ST_NODEV)
964	const_iv (ST_NOEXEC)	1136	const_iv (ST_NOEXEC)
…		…
974	const_iv (PROT_NONE)	1146	const_iv (PROT_NONE)
975	const_iv (PROT_EXEC)	1147	const_iv (PROT_EXEC)
976	const_iv (PROT_READ)	1148	const_iv (PROT_READ)
977	const_iv (PROT_WRITE)	1149	const_iv (PROT_WRITE)
978		1150
979	/*const_iv (MAP_FIXED)*/
980	const_iv (MAP_PRIVATE)	1151	const_iv (MAP_PRIVATE)
981	const_iv (MAP_SHARED)	1152	const_iv (MAP_SHARED)
		1153	const_iv (MAP_FIXED)
982	const_iv (MAP_ANONYMOUS)	1154	const_iv (MAP_ANONYMOUS)
983		1155
984	/* linuxish */	1156	/* linuxish */
985	const_iv (MAP_HUGETLB)
986	const_iv (MAP_LOCKED)	1157	const_iv (MAP_LOCKED)
987	const_iv (MAP_NORESERVE)	1158	const_iv (MAP_NORESERVE)
988	const_iv (MAP_POPULATE)	1159	const_iv (MAP_POPULATE)
989	const_iv (MAP_NONBLOCK)	1160	const_iv (MAP_NONBLOCK)
		1161	const_iv (MAP_GROWSDOWN)
		1162	const_iv (MAP_32BIT)
		1163	const_iv (MAP_HUGETLB)
		1164	const_iv (MAP_STACK)
		1165
		1166	const_iv (MREMAP_MAYMOVE)
		1167	const_iv (MREMAP_FIXED)
		1168
		1169	const_iv (F_DUPFD_CLOEXEC)
		1170
		1171	const_iv (MSG_CMSG_CLOEXEC)
		1172	const_iv (SOCK_CLOEXEC)
		1173
		1174	const_iv (F_OFD_GETLK)
		1175	const_iv (F_OFD_SETLK)
		1176	const_iv (F_OFD_GETLKW)
		1177
		1178	const_iv (FIFREEZE)
		1179	const_iv (FITHAW)
		1180	const_iv (FITRIM)
		1181	const_iv (FICLONE)
		1182	const_iv (FICLONERANGE)
		1183	const_iv (FIDEDUPERANGE)
		1184
		1185	const_iv (FS_IOC_GETFLAGS)
		1186	const_iv (FS_IOC_SETFLAGS)
		1187	const_iv (FS_IOC_GETVERSION)
		1188	const_iv (FS_IOC_SETVERSION)
		1189	const_iv (FS_IOC_FIEMAP)
		1190	const_iv (FS_IOC_FSGETXATTR)
		1191	const_iv (FS_IOC_FSSETXATTR)
		1192	const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
		1193	const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
		1194	const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
		1195
		1196	const_iv (FS_KEY_DESCRIPTOR_SIZE)
		1197
		1198	const_iv (FS_SECRM_FL)
		1199	const_iv (FS_UNRM_FL)
		1200	const_iv (FS_COMPR_FL)
		1201	const_iv (FS_SYNC_FL)
		1202	const_iv (FS_IMMUTABLE_FL)
		1203	const_iv (FS_APPEND_FL)
		1204	const_iv (FS_NODUMP_FL)
		1205	const_iv (FS_NOATIME_FL)
		1206	const_iv (FS_DIRTY_FL)
		1207	const_iv (FS_COMPRBLK_FL)
		1208	const_iv (FS_NOCOMP_FL)
		1209	const_iv (FS_ENCRYPT_FL)
		1210	const_iv (FS_BTREE_FL)
		1211	const_iv (FS_INDEX_FL)
		1212	const_iv (FS_JOURNAL_DATA_FL)
		1213	const_iv (FS_NOTAIL_FL)
		1214	const_iv (FS_DIRSYNC_FL)
		1215	const_iv (FS_TOPDIR_FL)
		1216	const_iv (FS_FL_USER_MODIFIABLE)
		1217
		1218	const_iv (FS_XFLAG_REALTIME)
		1219	const_iv (FS_XFLAG_PREALLOC)
		1220	const_iv (FS_XFLAG_IMMUTABLE)
		1221	const_iv (FS_XFLAG_APPEND)
		1222	const_iv (FS_XFLAG_SYNC)
		1223	const_iv (FS_XFLAG_NOATIME)
		1224	const_iv (FS_XFLAG_NODUMP)
		1225	const_iv (FS_XFLAG_RTINHERIT)
		1226	const_iv (FS_XFLAG_PROJINHERIT)
		1227	const_iv (FS_XFLAG_NOSYMLINKS)
		1228	const_iv (FS_XFLAG_EXTSIZE)
		1229	const_iv (FS_XFLAG_EXTSZINHERIT)
		1230	const_iv (FS_XFLAG_NODEFRAG)
		1231	const_iv (FS_XFLAG_FILESTREAM)
		1232	const_iv (FS_XFLAG_DAX)
		1233	const_iv (FS_XFLAG_HASATTR)
990		1234
991	const_iv (FIEMAP_FLAG_SYNC)	1235	const_iv (FIEMAP_FLAG_SYNC)
992	const_iv (FIEMAP_FLAG_XATTR)	1236	const_iv (FIEMAP_FLAG_XATTR)
993	const_iv (FIEMAP_FLAGS_COMPAT)	1237	const_iv (FIEMAP_FLAGS_COMPAT)
994	const_iv (FIEMAP_EXTENT_LAST)	1238	const_iv (FIEMAP_EXTENT_LAST)
…		…
1006	const_iv (SPLICE_F_MOVE)	1250	const_iv (SPLICE_F_MOVE)
1007	const_iv (SPLICE_F_NONBLOCK)	1251	const_iv (SPLICE_F_NONBLOCK)
1008	const_iv (SPLICE_F_MORE)	1252	const_iv (SPLICE_F_MORE)
1009	const_iv (SPLICE_F_GIFT)	1253	const_iv (SPLICE_F_GIFT)
1010		1254
1011	const_iv (SEEK_DATA)	1255	const_iv (EFD_CLOEXEC)
		1256	const_iv (EFD_NONBLOCK)
1012	const_iv (SEEK_HOLE)	1257	const_iv (EFD_SEMAPHORE)
1013		1258
1014	/* libeio constants */	1259	const_iv (CLOCK_REALTIME)
		1260	const_iv (CLOCK_MONOTONIC)
		1261	const_iv (CLOCK_BOOTTIME)
		1262	const_iv (CLOCK_REALTIME_ALARM)
		1263	const_iv (CLOCK_BOOTTIME_ALARM)
		1264
		1265	const_iv (TFD_NONBLOCK)
		1266	const_iv (TFD_CLOEXEC)
		1267
		1268	const_iv (TFD_TIMER_ABSTIME)
		1269	const_iv (TFD_TIMER_CANCEL_ON_SET)
		1270
		1271	/* these are libeio constants, and are independent of gendef0 */
1015	const_eio (SEEK_SET)	1272	const_eio (SEEK_SET)
1016	const_eio (SEEK_CUR)	1273	const_eio (SEEK_CUR)
1017	const_eio (SEEK_END)	1274	const_eio (SEEK_END)
1018		1275
1019	const_eio (MCL_FUTURE)	1276	const_eio (MCL_FUTURE)
…		…
1029	const_eio (SYNC_FILE_RANGE_WRITE)	1286	const_eio (SYNC_FILE_RANGE_WRITE)
1030	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1287	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1031		1288
1032	const_eio (FALLOC_FL_KEEP_SIZE)	1289	const_eio (FALLOC_FL_KEEP_SIZE)
1033	const_eio (FALLOC_FL_PUNCH_HOLE)	1290	const_eio (FALLOC_FL_PUNCH_HOLE)
		1291	const_eio (FALLOC_FL_COLLAPSE_RANGE)
		1292	const_eio (FALLOC_FL_ZERO_RANGE)
		1293	const_eio (FALLOC_FL_INSERT_RANGE)
		1294	const_eio (FALLOC_FL_UNSHARE_RANGE)
		1295
		1296	const_eio (RENAME_NOREPLACE)
		1297	const_eio (RENAME_EXCHANGE)
		1298	const_eio (RENAME_WHITEOUT)
1034		1299
1035	const_eio (READDIR_DENTS)	1300	const_eio (READDIR_DENTS)
1036	const_eio (READDIR_DIRS_FIRST)	1301	const_eio (READDIR_DIRS_FIRST)
1037	const_eio (READDIR_STAT_ORDER)	1302	const_eio (READDIR_STAT_ORDER)
1038	const_eio (READDIR_FOUND_UNKNOWN)	1303	const_eio (READDIR_FOUND_UNKNOWN)
…		…
1056	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)	1321	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
1057	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));	1322	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
1058		1323
1059	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1324	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
1060		1325
		1326	/* allocate dummy pipe fd for aio_close */
		1327	{
		1328	int pipefd [2];
		1329
		1330	if (
		1331	#ifdef _WIN32
		1332	_pipe (pipefd, 1, _O_BINARY) < 0
		1333	#else
		1334	pipe (pipefd) < 0
		1335	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1336	#endif
		1337	|| close (pipefd [1]) < 0
		1338	)
		1339	croak ("IO::AIO: unable to create dummy pipe for aio_close");
		1340
		1341	close_fd = pipefd [0];
		1342	}
		1343
1061	reinit ();	1344	reinit ();
1062	}	1345	}
1063		1346
1064	void	1347	void
1065	reinit ()	1348	reinit ()
…		…
1106	PROTOTYPE: $	1389	PROTOTYPE: $
1107	CODE:	1390	CODE:
1108	max_outstanding = maxreqs;	1391	max_outstanding = maxreqs;
1109		1392
1110	void	1393	void
1111	aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)	1394	aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
1112	PPCODE:	1395	PPCODE:
1113	{	1396	{
1114	dREQ;	1397	dREQ;
1115		1398
1116	req->type = EIO_WD_OPEN;	1399	req->type = EIO_WD_OPEN;
…		…
1118		1401
1119	REQ_SEND;	1402	REQ_SEND;
1120	}	1403	}
1121		1404
1122	void	1405	void
1123	aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)	1406	aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1124	PPCODE:	1407	PPCODE:
1125	{	1408	{
1126	dREQ;	1409	dREQ;
1127		1410
1128	req->type = EIO_OPEN;	1411	req->type = EIO_OPEN;
…		…
1132		1415
1133	REQ_SEND;	1416	REQ_SEND;
1134	}	1417	}
1135		1418
1136	void	1419	void
1137	aio_fsync (SV *fh, SV *callback=&PL_sv_undef)	1420	aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
1138	ALIAS:	1421	ALIAS:
1139	aio_fsync = EIO_FSYNC	1422	aio_fsync = EIO_FSYNC
1140	aio_fdatasync = EIO_FDATASYNC	1423	aio_fdatasync = EIO_FDATASYNC
1141	aio_syncfs = EIO_SYNCFS	1424	aio_syncfs = EIO_SYNCFS
1142	PPCODE:	1425	PPCODE:
…		…
1150		1433
1151	REQ_SEND;	1434	REQ_SEND;
1152	}	1435	}
1153		1436
1154	void	1437	void
1155	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)	1438	aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
1156	PPCODE:	1439	PPCODE:
1157	{	1440	{
1158	int fd = s_fileno_croak (fh, 0);	1441	int fd = s_fileno_croak (fh, 0);
1159	dREQ;	1442	dREQ;
1160		1443
…		…
1167		1450
1168	REQ_SEND;	1451	REQ_SEND;
1169	}	1452	}
1170		1453
1171	void	1454	void
1172	aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)	1455	aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
1173	PPCODE:	1456	PPCODE:
1174	{	1457	{
1175	int fd = s_fileno_croak (fh, 0);	1458	int fd = s_fileno_croak (fh, 0);
1176	dREQ;	1459	dREQ;
1177		1460
…		…
1184		1467
1185	REQ_SEND;	1468	REQ_SEND;
1186	}	1469	}
1187		1470
1188	void	1471	void
1189	aio_close (SV *fh, SV *callback=&PL_sv_undef)	1472	aio_close (SV *fh, SV *callback = &PL_sv_undef)
1190	PPCODE:	1473	PPCODE:
1191	{	1474	{
1192	static int close_fd = -1; /* dummy fd to close fds via dup2 */
1193	int fd = s_fileno_croak (fh, 0);	1475	int fd = s_fileno_croak (fh, 0);
1194	dREQ;	1476	dREQ;
1195
1196	if (expect_false (close_fd < 0))
1197	{
1198	int pipefd [2];
1199
1200	if (
1201	#ifdef _WIN32
1202	_pipe (pipefd, 1, _O_BINARY) < 0
1203	#else
1204	pipe (pipefd) < 0
1205	|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1206	#endif
1207	|| close (pipefd [1]) < 0
1208	)
1209	abort (); /*D*/
1210
1211	close_fd = pipefd [0];
1212	}
1213		1477
1214	req->type = EIO_DUP2;	1478	req->type = EIO_DUP2;
1215	req->int1 = close_fd;	1479	req->int1 = close_fd;
1216	req->sv2 = newSVsv (fh);	1480	req->sv2 = newSVsv (fh);
1217	req->int2 = fd;	1481	req->int2 = fd;
1218		1482
1219	REQ_SEND;	1483	REQ_SEND;
1220	}	1484	}
1221		1485
1222	void	1486	void
1223	aio_seek (SV *fh, SV *offset, int whence, SV *callback=&PL_sv_undef)	1487	aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1224	PPCODE:	1488	PPCODE:
1225	{	1489	{
1226	int fd = s_fileno_croak (fh, 0);	1490	int fd = s_fileno_croak (fh, 0);
1227	dREQ;	1491	dREQ;
1228		1492
…		…
1234		1498
1235	REQ_SEND;	1499	REQ_SEND;
1236	}	1500	}
1237		1501
1238	void	1502	void
1239	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)	1503	aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
1240	ALIAS:	1504	ALIAS:
1241	aio_read = EIO_READ	1505	aio_read = EIO_READ
1242	aio_write = EIO_WRITE	1506	aio_write = EIO_WRITE
1243	PPCODE:	1507	PPCODE:
1244	{	1508	{
…		…
1260	len = svlen - dataoffset;	1524	len = svlen - dataoffset;
1261	}	1525	}
1262	else	1526	else
1263	{	1527	{
1264	/* read: check type and grow scalar as necessary */	1528	/* read: check type and grow scalar as necessary */
1265	SvUPGRADE (data, SVt_PV);
1266	if (SvLEN (data) >= SvCUR (data))	1529	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1267	svptr = SvGROW (data, len + dataoffset + 1);	1530	svptr = sv_grow (data, len + dataoffset + 1);
1268	else if (SvCUR (data) < len + dataoffset)	1531	else if (SvCUR (data) < len + dataoffset)
1269	croak ("length + dataoffset outside of scalar, and cannot grow");	1532	croak ("length + dataoffset outside of scalar, and cannot grow");
1270	}	1533	}
1271		1534
1272	{	1535	{
…		…
1290	REQ_SEND;	1553	REQ_SEND;
1291	}	1554	}
1292	}	1555	}
1293		1556
1294	void	1557	void
		1558	aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
		1559	ALIAS:
		1560	aio_ioctl = EIO_IOCTL
		1561	aio_fcntl = EIO_FCNTL
		1562	PPCODE:
		1563	{
		1564	int fd = s_fileno_croak (fh, 0);
		1565	char *svptr;
		1566
		1567	if (SvPOK (arg) || !SvNIOK (arg))
		1568	{
		1569	STRLEN svlen;
		1570	/* perl uses IOCPARM_LEN for fcntl, so we do, too */
		1571	#ifdef IOCPARM_LEN
		1572	STRLEN need = IOCPARM_LEN (request);
		1573	#else
		1574	STRLEN need = 256;
		1575	#endif
		1576
		1577	if (svlen < need)
		1578	svptr = SvGROW (arg, need);
		1579	}
		1580	else
		1581	svptr = (char *)SvIV (arg);
		1582
		1583	{
		1584	dREQ;
		1585
		1586	req->type = ix;
		1587	req->sv1 = newSVsv (fh);
		1588	req->int1 = fd;
		1589	req->int2 = (long)request;
		1590	req->sv2 = SvREFCNT_inc (arg);
		1591	req->ptr2 = svptr;
		1592
		1593	REQ_SEND;
		1594	}
		1595	}
		1596
		1597	void
1295	aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1598	aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1296	ALIAS:	1599	ALIAS:
1297	aio_readlink = EIO_READLINK	1600	aio_readlink = EIO_READLINK
1298	aio_realpath = EIO_REALPATH	1601	aio_realpath = EIO_REALPATH
1299	PPCODE:	1602	PPCODE:
1300	{	1603	{
…		…
1305		1608
1306	REQ_SEND;	1609	REQ_SEND;
1307	}	1610	}
1308		1611
1309	void	1612	void
1310	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1613	aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1311	PPCODE:	1614	PPCODE:
1312	{	1615	{
1313	int ifd = s_fileno_croak (in_fh , 0);	1616	int ifd = s_fileno_croak (in_fh , 0);
1314	int ofd = s_fileno_croak (out_fh, 1);	1617	int ofd = s_fileno_croak (out_fh, 1);
1315	dREQ;	1618	dREQ;
…		…
1324		1627
1325	REQ_SEND;	1628	REQ_SEND;
1326	}	1629	}
1327		1630
1328	void	1631	void
1329	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)	1632	aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1330	PPCODE:	1633	PPCODE:
1331	{	1634	{
1332	int fd = s_fileno_croak (fh, 0);	1635	int fd = s_fileno_croak (fh, 0);
1333	dREQ;	1636	dREQ;
1334		1637
…		…
1340		1643
1341	REQ_SEND;	1644	REQ_SEND;
1342	}	1645	}
1343		1646
1344	void	1647	void
1345	aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)	1648	aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1346	ALIAS:	1649	ALIAS:
1347	aio_stat = EIO_STAT	1650	aio_stat = EIO_STAT
1348	aio_lstat = EIO_LSTAT	1651	aio_lstat = EIO_LSTAT
1349	aio_statvfs = EIO_STATVFS	1652	aio_statvfs = EIO_STATVFS
1350	PPCODE:	1653	PPCODE:
…		…
1354	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);	1657	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1355		1658
1356	REQ_SEND;	1659	REQ_SEND;
1357	}	1660	}
1358		1661
		1662	void
		1663	st_xtime ()
		1664	ALIAS:
		1665	st_atime = 0x01
		1666	st_mtime = 0x02
		1667	st_ctime = 0x04
		1668	st_btime = 0x08
		1669	st_xtime = 0x0f
		1670	PPCODE:
		1671	EXTEND (SP, 4);
		1672	if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
		1673	if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
		1674	if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
		1675	if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
		1676
		1677	void
		1678	st_xtimensec ()
		1679	ALIAS:
		1680	st_atimensec = 0x01
		1681	st_mtimensec = 0x02
		1682	st_ctimensec = 0x04
		1683	st_btimensec = 0x08
		1684	st_xtimensec = 0x0f
		1685	st_btimesec = 0x10
		1686	st_gen = 0x20
		1687	PPCODE:
		1688	EXTEND (SP, 4);
		1689	if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
		1690	if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
		1691	if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
		1692	if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
		1693	if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
		1694	if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
		1695
1359	UV	1696	UV
1360	major (UV dev)	1697	major (UV dev)
1361	ALIAS:	1698	ALIAS:
1362	minor = 1	1699	minor = 1
1363	CODE:	1700	CODE:
1364	RETVAL = ix ? major (dev) : minor (dev);	1701	RETVAL = ix ? minor (dev) : major (dev);
1365	OUTPUT:	1702	OUTPUT:
1366	RETVAL	1703	RETVAL
1367		1704
1368	UV	1705	UV
1369	makedev (UV maj, UV min)	1706	makedev (UV maj, UV min)
…		…
1371	RETVAL = makedev (maj, min);	1708	RETVAL = makedev (maj, min);
1372	OUTPUT:	1709	OUTPUT:
1373	RETVAL	1710	RETVAL
1374		1711
1375	void	1712	void
1376	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)	1713	aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1377	PPCODE:	1714	PPCODE:
1378	{	1715	{
1379	dREQ;	1716	dREQ;
1380		1717
1381	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1718	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
…		…
1384		1721
1385	REQ_SEND;	1722	REQ_SEND;
1386	}	1723	}
1387		1724
1388	void	1725	void
1389	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)	1726	aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1390	PPCODE:	1727	PPCODE:
1391	{	1728	{
1392	dREQ;	1729	dREQ;
1393		1730
1394	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1731	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
…		…
1396		1733
1397	REQ_SEND;	1734	REQ_SEND;
1398	}	1735	}
1399		1736
1400	void	1737	void
1401	aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)	1738	aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1402	PPCODE:	1739	PPCODE:
1403	{	1740	{
1404	dREQ;	1741	dREQ;
1405		1742
1406	req->int2 = mode;	1743	req->int2 = mode;
…		…
1408		1745
1409	REQ_SEND;	1746	REQ_SEND;
1410	}	1747	}
1411		1748
1412	void	1749	void
1413	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef)	1750	aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1414	PPCODE:	1751	PPCODE:
1415	{	1752	{
1416	dREQ;	1753	dREQ;
1417		1754
1418	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1755	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
…		…
1421		1758
1422	REQ_SEND;	1759	REQ_SEND;
1423	}	1760	}
1424		1761
1425	void	1762	void
1426	aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)	1763	aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1427	PPCODE:	1764	PPCODE:
1428	{	1765	{
1429	dREQ;	1766	dREQ;
1430		1767
1431	req->type = EIO_READDIR;	1768	req->type = EIO_READDIR;
…		…
1438		1775
1439	REQ_SEND;	1776	REQ_SEND;
1440	}	1777	}
1441		1778
1442	void	1779	void
1443	aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef)	1780	aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1444	PPCODE:	1781	PPCODE:
1445	{	1782	{
1446	dREQ;	1783	dREQ;
1447		1784
1448	req->type = EIO_MKDIR;	1785	req->type = EIO_MKDIR;
…		…
1451		1788
1452	REQ_SEND;	1789	REQ_SEND;
1453	}	1790	}
1454		1791
1455	void	1792	void
1456	aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)	1793	aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1457	ALIAS:	1794	ALIAS:
1458	aio_unlink = EIO_UNLINK	1795	aio_unlink = EIO_UNLINK
1459	aio_rmdir = EIO_RMDIR	1796	aio_rmdir = EIO_RMDIR
1460	aio_readdir = EIO_READDIR	1797	aio_readdir = EIO_READDIR
1461	PPCODE:	1798	PPCODE:
…		…
1467		1804
1468	REQ_SEND;	1805	REQ_SEND;
1469	}	1806	}
1470		1807
1471	void	1808	void
1472	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef)	1809	aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1473	ALIAS:	1810	ALIAS:
1474	aio_link = EIO_LINK	1811	aio_link = EIO_LINK
1475	aio_symlink = EIO_SYMLINK	1812	aio_symlink = EIO_SYMLINK
1476	aio_rename = EIO_RENAME	1813	aio_rename = EIO_RENAME
1477	PPCODE:	1814	PPCODE:
…		…
1486		1823
1487	REQ_SEND;	1824	REQ_SEND;
1488	}	1825	}
1489		1826
1490	void	1827	void
		1828	aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
		1829	PPCODE:
		1830	{
		1831	eio_wd wd2 = 0;
		1832	dREQ;
		1833
		1834	req->type = EIO_RENAME;
		1835	req_set_path1 (req, oldpath);
		1836	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
		1837	req->int2 = flags;
		1838	req->int3 = (long)wd2;
		1839
		1840	REQ_SEND;
		1841	}
		1842
		1843	void
1491	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef)	1844	aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1492	PPCODE:	1845	PPCODE:
1493	{	1846	{
1494	dREQ;	1847	dREQ;
1495		1848
1496	req->type = EIO_MKNOD;	1849	req->type = EIO_MKNOD;
…		…
1500		1853
1501	REQ_SEND;	1854	REQ_SEND;
1502	}	1855	}
1503		1856
1504	void	1857	void
1505	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1858	aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1506	ALIAS:	1859	ALIAS:
1507	aio_mtouch = EIO_MTOUCH	1860	aio_mtouch = EIO_MTOUCH
1508	aio_msync = EIO_MSYNC	1861	aio_msync = EIO_MSYNC
1509	PPCODE:	1862	PPCODE:
1510	{	1863	{
1511	STRLEN svlen;	1864	STRLEN svlen;
1512	char *svptr = SvPVbyte (data, svlen);	1865	char *svptr = SvPVbyte (data, svlen);
1513	UV len = SvUV (length);	1866	UV len = SvUV (length);
		1867
		1868	if (flags < 0)
		1869	flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1514		1870
1515	if (offset < 0)	1871	if (offset < 0)
1516	offset += svlen;	1872	offset += svlen;
1517		1873
1518	if (offset < 0 || offset > svlen)	1874	if (offset < 0 || offset > svlen)
…		…
1533	REQ_SEND;	1889	REQ_SEND;
1534	}	1890	}
1535	}	1891	}
1536		1892
1537	void	1893	void
1538	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)	1894	aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1539	PPCODE:	1895	PPCODE:
1540	{	1896	{
1541	STRLEN svlen;	1897	STRLEN svlen;
1542	char *svptr = SvPVbyte (data, svlen);	1898	char *svptr = SvPVbyte (data, svlen);
1543	UV len = SvUV (length);	1899	UV len = SvUV (length);
…		…
1562	REQ_SEND;	1918	REQ_SEND;
1563	}	1919	}
1564	}	1920	}
1565		1921
1566	void	1922	void
1567	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)	1923	aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1568	PPCODE:	1924	PPCODE:
1569	{	1925	{
1570	dREQ;	1926	dREQ;
1571		1927
1572	req->type = EIO_MLOCKALL;	1928	req->type = EIO_MLOCKALL;
…		…
1574		1930
1575	REQ_SEND;	1931	REQ_SEND;
1576	}	1932	}
1577		1933
1578	void	1934	void
1579	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback=&PL_sv_undef)	1935	aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
1580	PPCODE:	1936	PPCODE:
1581	{	1937	{
1582	int fd = s_fileno_croak (fh, 0);	1938	int fd = s_fileno_croak (fh, 0);
1583	dREQ;	1939	dREQ;
1584		1940
…		…
1597		1953
1598	REQ_SEND;	1954	REQ_SEND;
1599	}	1955	}
1600		1956
1601	void	1957	void
		1958	aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
		1959	PPCODE:
		1960	{
		1961	char *svptr = 0;
		1962
		1963	sv_clear_foreign (data);
		1964
		1965	if (length) /* known length, directly read into scalar */
		1966	{
		1967	if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
		1968	svptr = sv_grow (data, length + 1);
		1969	else if (SvCUR (data) < length)
		1970	croak ("length outside of scalar, and cannot grow");
		1971	else
		1972	svptr = SvPVbyte_nolen (data);
		1973	}
		1974
		1975	{
		1976	dREQ;
		1977
		1978	req->type = EIO_SLURP;
		1979	req_set_path1 (req, pathname);
		1980	req->offs = offset;
		1981	req->size = length;
		1982	req->sv2 = SvREFCNT_inc (data);
		1983	req->ptr2 = svptr;
		1984
		1985	if (!SvREADONLY (data))
		1986	{
		1987	SvREADONLY_on (data);
		1988	req->flags |= FLAG_SV2_RO_OFF;
		1989	}
		1990
		1991	REQ_SEND;
		1992	}
		1993	}
		1994
		1995	void
1602	aio_busy (double delay, SV *callback=&PL_sv_undef)	1996	aio_busy (double delay, SV *callback = &PL_sv_undef)
1603	PPCODE:	1997	PPCODE:
1604	{	1998	{
1605	dREQ;	1999	dREQ;
1606		2000
1607	req->type = EIO_BUSY;	2001	req->type = EIO_BUSY;
…		…
1609		2003
1610	REQ_SEND;	2004	REQ_SEND;
1611	}	2005	}
1612		2006
1613	void	2007	void
1614	aio_group (SV *callback=&PL_sv_undef)	2008	aio_group (SV *callback = &PL_sv_undef)
1615	PPCODE:	2009	PPCODE:
1616	{	2010	{
1617	dREQ;	2011	dREQ;
1618		2012
1619	req->type = EIO_GROUP;	2013	req->type = EIO_GROUP;
…		…
1624		2018
1625	XPUSHs (req_sv (req, aio_grp_stash));	2019	XPUSHs (req_sv (req, aio_grp_stash));
1626	}	2020	}
1627		2021
1628	void	2022	void
1629	aio_nop (SV *callback=&PL_sv_undef)	2023	aio_nop (SV *callback = &PL_sv_undef)
1630	ALIAS:	2024	ALIAS:
1631	aio_nop = EIO_NOP	2025	aio_nop = EIO_NOP
1632	aio_sync = EIO_SYNC	2026	aio_sync = EIO_SYNC
1633	PPCODE:	2027	PPCODE:
1634	{	2028	{
…		…
1638		2032
1639	REQ_SEND;	2033	REQ_SEND;
1640	}	2034	}
1641		2035
1642	int	2036	int
1643	aioreq_pri (int pri = 0)	2037	aioreq_pri (int pri = NO_INIT)
1644	CODE:	2038	CODE:
1645	RETVAL = next_pri;	2039	RETVAL = next_pri;
1646	if (items > 0)	2040	if (items > 0)
1647	{	2041	{
1648	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	2042	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1738	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	2132	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1739	OUTPUT:	2133	OUTPUT:
1740	RETVAL	2134	RETVAL
1741		2135
1742	void	2136	void
1743	mmap (SV *scalar, size_t length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)	2137	mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1744	PPCODE:	2138	PPCODE:
1745	sv_unmagic (scalar, MMAP_MAGIC);	2139	sv_clear_foreign (scalar);
1746	{	2140	{
1747	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	2141	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1748	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);	2142	void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1749	if (addr == (void *)-1)	2143	if (addr == (void *)-1)
1750	XSRETURN_NO;	2144	XSRETURN_NO;
1751		2145
1752	sv_force_normal (scalar);	2146	sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1753
1754	/* we store the length in mg_obj, as namlen is I32 :/ */
1755	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1756	->mg_obj = (SV *)length;
1757
1758	SvUPGRADE (scalar, SVt_PV); /* nop... */
1759		2147
1760	if (!(prot & PROT_WRITE))	2148	if (!(prot & PROT_WRITE))
1761	SvREADONLY_on (scalar);	2149	SvREADONLY_on (scalar);
1762		2150
1763	if (SvLEN (scalar))
1764	Safefree (SvPVX (scalar));
1765
1766	SvPVX (scalar) = (char *)addr;
1767	SvCUR_set (scalar, length);
1768	SvLEN_set (scalar, 0);
1769	SvPOK_only (scalar);
1770
1771	XSRETURN_YES;	2151	XSRETURN_YES;
1772	}	2152	}
1773		2153
1774	void	2154	void
1775	munmap (SV *scalar)	2155	munmap (SV *scalar)
1776	CODE:	2156	CODE:
1777	sv_unmagic (scalar, MMAP_MAGIC);	2157	sv_clear_foreign (scalar);
		2158
		2159	SV *
		2160	mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
		2161	CODE:
		2162	{
		2163	MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
		2164	void *new;
		2165
		2166	if (!mg || SvPVX (scalar) != mg->mg_ptr)
		2167	croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
		2168
		2169	new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
		2170
		2171	RETVAL = &PL_sv_no;
		2172
		2173	if (new != (void *)-1)
		2174	{
		2175	RETVAL = new == (void *)mg->mg_ptr
		2176	? newSVpvn ("0 but true", 10)
		2177	: &PL_sv_yes;
		2178
		2179	mg->mg_ptr = (char *)new;
		2180	mg->mg_obj = (SV *)new_length;
		2181
		2182	SvPVX (scalar) = mg->mg_ptr;
		2183	SvCUR_set (scalar, new_length);
		2184	}
		2185	}
		2186	OUTPUT:
		2187	RETVAL
1778		2188
1779	int	2189	int
1780	madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)	2190	madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1781	ALIAS:	2191	ALIAS:
1782	mprotect = 1	2192	mprotect = 1
1783	CODE:	2193	CODE:
1784	{	2194	{
1785	STRLEN svlen;	2195	STRLEN svlen;
1786	void *addr = SvPVbyte (scalar, svlen);	2196	void *addr = SvPVbyte (scalar, svlen);
1787	size_t len = SvUV (length);	2197	STRLEN len = SvUV (length);
1788		2198
1789	if (offset < 0)	2199	if (offset < 0)
1790	offset += svlen;	2200	offset += svlen;
1791		2201
1792	if (offset < 0 || offset > svlen)	2202	if (offset < 0 || offset > svlen)
…		…
1806	}	2216	}
1807	OUTPUT:	2217	OUTPUT:
1808	RETVAL	2218	RETVAL
1809		2219
1810	int	2220	int
1811	munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)	2221	munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
1812	CODE:	2222	CODE:
1813	{	2223	{
1814	STRLEN svlen;	2224	STRLEN svlen;
1815	void *addr = SvPVbyte (scalar, svlen);	2225	void *addr = SvPVbyte (scalar, svlen);
1816	size_t len = SvUV (length);	2226	size_t len = SvUV (length);
…		…
1888	errno = ENOSYS;	2298	errno = ENOSYS;
1889	RETVAL = -1;	2299	RETVAL = -1;
1890	#endif	2300	#endif
1891	OUTPUT:	2301	OUTPUT:
1892	RETVAL	2302	RETVAL
		2303
		2304	void
		2305	pipe2 (int flags = 0)
		2306	PROTOTYPE: ;$
		2307	PPCODE:
		2308	{
		2309	int fd[2];
		2310	int res;
		2311
		2312	if (flags)
		2313	#if HAVE_PIPE2
		2314	res = pipe2 (fd, flags);
		2315	#else
		2316	res = (errno = ENOSYS, -1);
		2317	#endif
		2318	else
		2319	res = pipe (fd);
		2320
		2321	if (!res)
		2322	{
		2323	EXTEND (SP, 2);
		2324	PUSHs (newmortalFH (fd[0], O_RDONLY));
		2325	PUSHs (newmortalFH (fd[1], O_WRONLY));
		2326	}
		2327	}
		2328
		2329	void
		2330	eventfd (unsigned int initval = 0, int flags = 0)
		2331	PPCODE:
		2332	{
		2333	int fd;
		2334	#if HAVE_EVENTFD
		2335	fd = eventfd (initval, flags);
		2336	#else
		2337	fd = (errno = ENOSYS, -1);
		2338	#endif
		2339
		2340	XPUSHs (newmortalFH (fd, O_RDWR));
		2341	}
		2342
		2343	void
		2344	timerfd_create (int clockid, int flags = 0)
		2345	PPCODE:
		2346	{
		2347	int fd;
		2348	#if HAVE_TIMERFD
		2349	fd = timerfd_create (clockid, flags);
		2350	#else
		2351	fd = (errno = ENOSYS, -1);
		2352	#endif
		2353
		2354	XPUSHs (newmortalFH (fd, O_RDWR));
		2355	}
		2356
		2357	void
		2358	timerfd_settime (SV *fh, int flags, NV interval, NV value)
		2359	PPCODE:
		2360	{
		2361	int fd = s_fileno_croak (fh, 0);
		2362	#if HAVE_TIMERFD
		2363	int res;
		2364	struct itimerspec its, ots;
		2365
		2366	ts_set (&its.it_interval, interval);
		2367	ts_set (&its.it_value , value);
		2368	res = timerfd_settime (fd, flags, &its, &ots);
		2369
		2370	if (!res)
		2371	{
		2372	EXTEND (SP, 2);
		2373	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2374	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2375	}
		2376	#else
		2377	errno = ENOSYS;
		2378	#endif
		2379	}
		2380
		2381	void
		2382	timerfd_gettime (SV *fh)
		2383	PPCODE:
		2384	{
		2385	int fd = s_fileno_croak (fh, 0);
		2386	#if HAVE_TIMERFD
		2387	int res;
		2388	struct itimerspec ots;
		2389	res = timerfd_gettime (fd, &ots);
		2390
		2391	if (!res)
		2392	{
		2393	EXTEND (SP, 2);
		2394	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2395	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2396	}
		2397	#else
		2398	errno = ENOSYS;
		2399	#endif
		2400	}
		2401
		2402	UV
		2403	get_fdlimit ()
		2404	CODE:
		2405	#if HAVE_RLIMITS
		2406	struct rlimit rl;
		2407	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2408	XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
		2409	#endif
		2410	XSRETURN_UNDEF;
		2411	OUTPUT:
		2412	RETVAL
		2413
		2414	void
		2415	min_fdlimit (UV limit = 0x7fffffffU)
		2416	CODE:
		2417	{
		2418	#if HAVE_RLIMITS
		2419	struct rlimit rl;
		2420	rlim_t orig_rlim_max;
		2421	UV bit;
		2422
		2423	if (0 != getrlimit (RLIMIT_NOFILE, &rl))
		2424	goto fail;
		2425
		2426	if (rl.rlim_cur == RLIM_INFINITY)
		2427	XSRETURN_YES;
		2428
		2429	orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
		2430
		2431	if (rl.rlim_cur < limit)
		2432	{
		2433	rl.rlim_cur = limit;
		2434
		2435	if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
		2436	rl.rlim_max = rl.rlim_cur;
		2437	}
		2438
		2439	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2440	XSRETURN_YES;
		2441
		2442	if (errno == EPERM)
		2443	{
		2444	/* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
		2445	/* our limit overflows a system-wide limit */
		2446	/* try an adaptive algorithm, but do not lower the hardlimit */
		2447	rl.rlim_max = 0;
		2448	for (bit = 0x40000000U; bit; bit >>= 1)
		2449	{
		2450	rl.rlim_max |= bit;
		2451	rl.rlim_cur = rl.rlim_max;
		2452
		2453	/* nevr decrease the hard limit */
		2454	if (rl.rlim_max < orig_rlim_max)
		2455	break;
		2456
		2457	if (0 != setrlimit (RLIMIT_NOFILE, &rl))
		2458	rl.rlim_max &= ~bit; /* too high, remove bit again */
		2459	}
		2460
		2461	/* now, raise the soft limit to the max permitted */
		2462	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2463	{
		2464	rl.rlim_cur = rl.rlim_max;
		2465	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2466	errno = EPERM;
		2467	}
		2468	}
		2469	#endif
		2470	fail:
		2471	XSRETURN_UNDEF;
		2472	}
1893		2473
1894	void _on_next_submit (SV *cb)	2474	void _on_next_submit (SV *cb)
1895	CODE:	2475	CODE:
1896	SvREFCNT_dec (on_next_submit);	2476	SvREFCNT_dec (on_next_submit);
1897	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	2477	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
…		…
1932	cancel (aio_req_ornot req)	2512	cancel (aio_req_ornot req)
1933	CODE:	2513	CODE:
1934	eio_cancel (req);	2514	eio_cancel (req);
1935		2515
1936	void	2516	void
1937	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	2517	cb (aio_req_ornot req, SV *callback = NO_INIT)
1938	PPCODE:	2518	PPCODE:
1939	{	2519	{
1940	if (GIMME_V != G_VOID)	2520	if (GIMME_V != G_VOID)
1941	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	2521	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1942		2522
1943	if (items > 1)	2523	if (items > 1)
1944	{	2524	{
1945	SV *cb_cv =get_cb (callback);	2525	SV *cb_cv = get_cb (callback);
1946		2526
1947	SvREFCNT_dec (req->callback);	2527	SvREFCNT_dec (req->callback);
1948	req->callback = SvREFCNT_inc (cb_cv);	2528	req->callback = SvREFCNT_inc (cb_cv);
1949	}	2529	}
1950	}	2530	}
…		…
2007	limit (aio_req grp, int limit)	2587	limit (aio_req grp, int limit)
2008	CODE:	2588	CODE:
2009	eio_grp_limit (grp, limit);	2589	eio_grp_limit (grp, limit);
2010		2590
2011	void	2591	void
2012	feed (aio_req grp, SV *callback=&PL_sv_undef)	2592	feed (aio_req grp, SV *callback = &PL_sv_undef)
2013	CODE:	2593	CODE:
2014	{	2594	{
2015	SvREFCNT_dec (grp->sv2);	2595	SvREFCNT_dec (grp->sv2);
2016	grp->sv2 = newSVsv (callback);	2596	grp->sv2 = newSVsv (callback);
2017	grp->feed = aio_grp_feed;	2597	grp->feed = aio_grp_feed;

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