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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.226 by root, Sun Jan 6 11:48:14 2013 UTC vs.
Revision 1.252 by root, Sat Jan 6 02:11:10 2018 UTC

…		…
19		19
20	#if _POSIX_MEMLOCK \|\| _POSIX_MEMLOCK_RANGE \|\| _POSIX_MAPPED_FILES	20	#if _POSIX_MEMLOCK \|\| _POSIX_MEMLOCK_RANGE \|\| _POSIX_MAPPED_FILES
21	# include <sys/mman.h>	21	# include <sys/mman.h>
22	#endif	22	#endif
23		23
24	#if __linux__	24	/* the incompetent fool that created musl keeps __linux__, refuses
		25	* to implement any linux standard apis, and also has no way to test
		26	* for his broken iplementation. don't complain to me if this fails
		27	* for you.
		28	*/
		29	#if __linux__ && (defined __GLIBC__ \|\| defined __UCLIBC__)
25	# include <linux/fs.h>	30	# include <linux/fs.h>
26	# ifdef FS_IOC_FIEMAP	31	# ifdef FS_IOC_FIEMAP
27	# include <linux/types.h>	32	# include <linux/types.h>
28	# include <linux/fiemap.h>	33	# include <linux/fiemap.h>
29	# define HAVE_FIEMAP 1	34	# define HAVE_FIEMAP 1
…		…
99	#define expect_false(expr) expect ((expr) != 0, 0)	104	#define expect_false(expr) expect ((expr) != 0, 0)
100	#define expect_true(expr) expect ((expr) != 0, 1)	105	#define expect_true(expr) expect ((expr) != 0, 1)
101		106
102	/*****************************************************************************/	107	/*****************************************************************************/
103		108
		109	#include "libeio/config.h"
		110
		111	#if HAVE_RLIMITS
		112	#include <sys/time.h>
		113	#include <sys/resource.h>
		114	#endif
		115
104	typedef SV SV8; /* byte-sv, used for argument-checking */	116	typedef SV SV8; /* byte-sv, used for argument-checking */
105	typedef int aio_rfd; /* read file desriptor */	117	typedef int aio_rfd; /* read file desriptor */
106	typedef int aio_wfd; /* write file descriptor */	118	typedef int aio_wfd; /* write file descriptor */
107		119
108	static HV aio_stash, aio_req_stash, aio_grp_stash, aio_wd_stash;	120	static HV aio_stash, aio_req_stash, aio_grp_stash, aio_wd_stash;
…		…
114	STRLEN stroffset; \	126	STRLEN stroffset; \
115	SV *self;	127	SV *self;
116		128
117	#define EIO_NO_WRAPPERS 1	129	#define EIO_NO_WRAPPERS 1
118		130
119	#include "libeio/config.h"
120	#include "libeio/eio.h"	131	#include "libeio/eio.h"
121		132
122	static int req_invoke (eio_req *req);	133	static int req_invoke (eio_req *req);
123	#define EIO_FINISH(req) req_invoke (req)	134	#define EIO_FINISH(req) req_invoke (req)
124	static void req_destroy (eio_req *grp);	135	static void req_destroy (eio_req *grp);
…		…
141	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	152	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
142	# endif	153	# endif
143	#endif	154	#endif
144		155
145	/* defines all sorts of constants to 0 unless they are already defined */	156	/* defines all sorts of constants to 0 unless they are already defined */
		157	/* also provides const_iv_ and const_niv_ macros for them */
146	#include "def0.h"	158	#include "def0.h"
147		159
148	#ifndef makedev	160	#ifndef makedev
149	# define makedev(maj,min) (((maj) << 8) \| (min))	161	# define makedev(maj,min) (((maj) << 8) \| (min))
150	#endif	162	#endif
…		…
156	#endif	168	#endif
157		169
158	#if PAGESIZE <= 0	170	#if PAGESIZE <= 0
159	# define PAGESIZE sysconf (_SC_PAGESIZE)	171	# define PAGESIZE sysconf (_SC_PAGESIZE)
160	#endif	172	#endif
		173
		174	/*****************************************************************************/
		175
		176	#if !_POSIX_MAPPED_FILES
		177	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
		178	# define munmap(addr,length) EIO_ENOSYS ()
		179	#endif
		180
		181	#if !_POSIX_MEMORY_PROTECTION
		182	# define mprotect(addr,len,prot) EIO_ENOSYS ()
		183	#endif
		184
		185	#define FOREIGN_MAGIC PERL_MAGIC_ext
		186
		187	static int ecb_cold
		188	mmap_free (pTHX_ SV sv, MAGIC mg)
		189	{
		190	int old_errno = errno;
		191	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		192	errno = old_errno;
		193
		194	mg->mg_obj = 0; /* just in case */
		195
		196	SvREADONLY_off (sv);
		197
		198	if (SvPVX (sv) != mg->mg_ptr)
		199	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		200
		201	SvCUR_set (sv, 0);
		202	SvPVX (sv) = 0;
		203	SvOK_off (sv);
		204
		205	return 0;
		206	}
		207
		208	static MGVTBL mmap_vtbl = {
		209	0, 0, 0, 0, mmap_free
		210	};
		211
		212	static int ecb_cold
		213	sysfree_free (pTHX_ SV sv, MAGIC mg)
		214	{
		215	free (mg->mg_ptr);
		216	mg->mg_obj = 0; /* just in case */
		217
		218	SvREADONLY_off (sv);
		219
		220	if (SvPVX (sv) != mg->mg_ptr)
		221	croak ("ERROR: IO::AIO mapped scalar changed location, detected");
		222
		223	SvCUR_set (sv, 0);
		224	SvPVX (sv) = 0;
		225	SvOK_off (sv);
		226
		227	return 0;
		228	}
		229
		230	static MGVTBL sysfree_vtbl = {
		231	0, 0, 0, 0, sysfree_free
		232	};
		233
		234	/*****************************************************************************/
		235
		236	/* helper: set scalar to foreign ptr with custom free */
		237	static void
		238	sv_set_foreign (SV sv, const MGVTBL const vtbl, void *addr, IV length)
		239	{
		240	sv_force_normal (sv);
		241
		242	/* we store the length in mg_obj, as namlen is I32 :/ */
		243	sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
		244	->mg_obj = (SV *)length;
		245
		246	SvUPGRADE (sv, SVt_PV); /* nop... */
		247
		248	if (SvLEN (sv))
		249	Safefree (SvPVX (sv));
		250
		251	SvPVX (sv) = (char *)addr;
		252	SvCUR_set (sv, length);
		253	SvLEN_set (sv, 0);
		254	SvPOK_only (sv);
		255	}
		256
		257	static void
		258	sv_clear_foreign (SV *sv)
		259	{
		260	/* todo: iterate over magic and only free ours, but of course */
		261	/* the perl5porters will call that (correct) behaviour buggy */
		262	sv_unmagic (sv, FOREIGN_MAGIC);
		263	}
161		264
162	/*****************************************************************************/	265	/*****************************************************************************/
163		266
164	static void	267	static void
165	fiemap (eio_req *req)	268	fiemap (eio_req *req)
…		…
304	}	407	}
305		408
306	static SV *	409	static SV *
307	newSVaio_wd (aio_wd wd)	410	newSVaio_wd (aio_wd wd)
308	{	411	{
309	return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash);	412	return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
310	}	413	}
311		414
312	static aio_req	415	static aio_req
313	SvAIO_REQ (SV *sv)	416	SvAIO_REQ (SV *sv)
314	{	417	{
…		…
333	\|\| SvTYPE (SvRV (sv)) != SVt_PVMG	436	\|\| SvTYPE (SvRV (sv)) != SVt_PVMG
334	\|\| SvSTASH (SvRV (sv)) != aio_wd_stash)	437	\|\| SvSTASH (SvRV (sv)) != aio_wd_stash)
335	croak ("IO::AIO: expected a working directory object as returned by aio_wd");	438	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
336		439
337	return (aio_wd)(long)SvIVX (SvRV (sv));	440	return (aio_wd)(long)SvIVX (SvRV (sv));
		441	}
		442
		443	static SV *
		444	newmortalFH (int fd, int flags)
		445	{
		446	if (fd < 0)
		447	return &PL_sv_undef;
		448
		449	GV gv = (GV )sv_newmortal ();
		450	char sym[64];
		451	int symlen;
		452
		453	symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
		454	gv_init (gv, aio_stash, sym, symlen, 0);
		455
		456	symlen = snprintf (
		457	sym,
		458	sizeof (sym),
		459	"%s&=%d",
		460	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
		461	fd
		462	);
		463
		464	return do_open (gv, sym, symlen, 0, 0, 0, 0)
		465	? (SV *)gv : &PL_sv_undef;
338	}	466	}
339		467
340	static void	468	static void
341	aio_grp_feed (aio_req grp)	469	aio_grp_feed (aio_req grp)
342	{	470	{
…		…
470	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 \| EIO_READDIR_CUSTOM2))));	598	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 \| EIO_READDIR_CUSTOM2))));
471	}	599	}
472	break;	600	break;
473		601
474	case EIO_OPEN:	602	case EIO_OPEN:
475	{	603	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;	604	break;
504		605
505	case EIO_STATVFS:	606	case EIO_STATVFS:
506	case EIO_FSTATVFS:	607	case EIO_FSTATVFS:
507	{	608	{
…		…
587	SvSETMAGIC (req->sv2);	688	SvSETMAGIC (req->sv2);
588	PUSHs (sv_result);	689	PUSHs (sv_result);
589	}	690	}
590	break;	691	break;
591		692
		693	case EIO_SLURP:
		694	{
		695	if (req->result >= 0)
		696	{
		697	/* if length was originally not known, we steal the malloc'ed memory */
		698	if (req->flags & EIO_FLAG_PTR2_FREE)
		699	{
		700	req->flags &= ~EIO_FLAG_PTR2_FREE;
		701	sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
		702	}
		703	else
		704	{
		705	SvCUR_set (req->sv2, req->result);
		706	*SvEND (req->sv2) = 0;
		707	SvPOK_only (req->sv2);
		708	}
		709
		710	SvSETMAGIC (req->sv2);
		711	}
		712
		713	PUSHs (sv_result);
		714	}
		715	break;
		716
592	case EIO_CUSTOM:	717	case EIO_CUSTOM:
593	if (req->feed == fiemap)	718	if (req->feed == fiemap)
594	{	719	{
595	#if HAVE_FIEMAP	720	#if HAVE_FIEMAP
596	if (!req->result)	721	if (!req->result)
…		…
701	{	826	{
702	while (eio_nreqs ())	827	while (eio_nreqs ())
703	{	828	{
704	int size;	829	int size;
705		830
706	X_LOCK (reslock);	831	X_LOCK (EIO_POOL->reslock);
707	size = res_queue.size;	832	size = EIO_POOL->res_queue.size;
708	X_UNLOCK (reslock);	833	X_UNLOCK (EIO_POOL->reslock);
709		834
710	if (size)	835	if (size)
711	return;	836	return;
712		837
713	etp_maybe_start_thread ();	838	etp_maybe_start_thread (EIO_POOL);
714		839
715	s_epipe_wait (&respipe);	840	s_epipe_wait (&respipe);
716	}	841	}
717	}	842	}
718		843
…		…
739	create_respipe ();	864	create_respipe ();
740		865
741	if (eio_init (want_poll, done_poll) < 0)	866	if (eio_init (want_poll, done_poll) < 0)
742	croak ("IO::AIO: unable to initialise eio library");	867	croak ("IO::AIO: unable to initialise eio library");
743	}	868	}
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		869
788	/*****************************************************************************/	870	/*****************************************************************************/
789		871
790	static SV *	872	static SV *
791	get_cb (SV *cb_sv)	873	get_cb (SV *cb_sv)
…		…
903	} *civ, const_iv[] = {	985	} *civ, const_iv[] = {
904	# define const_niv(name, value) { # name, (IV) value },	986	# define const_niv(name, value) { # name, (IV) value },
905	# define const_iv(name) { # name, (IV) name },	987	# define const_iv(name) { # name, (IV) name },
906	# define const_eio(name) { # name, (IV) EIO_ ## name },	988	# define const_eio(name) { # name, (IV) EIO_ ## name },
907		989
908	/* you have to re-run ./gendef0 after adding/Removing any constants here */	990	/* you have to re-run ./gendef0 after adding/removing any constants here */
909		991	/* the first block can be undef if missing */
910	const_iv (ENOSYS)	992	const_iv (ENOSYS)
911	const_iv (EXDEV)	993	const_iv (EXDEV)
912	const_iv (EBADR)	994	const_iv (EBADR)
913		995
		996	/* for lseek */
		997	const_iv (SEEK_DATA)
		998	const_iv (SEEK_HOLE)
		999
		1000	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
		1001	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		1002	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
		1003	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		1004	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		1005	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		1006
		1007	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		1008	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		1009	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		1010	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		1011	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		1012
		1013	/* the second block will be 0 when missing */
914	const_iv (O_RDONLY)	1014	const_iv (O_RDONLY)
915	const_iv (O_WRONLY)	1015	const_iv (O_WRONLY)
916	const_iv (O_RDWR)	1016	const_iv (O_RDWR)
917	const_iv (O_CREAT)	1017	const_iv (O_CREAT)
918	const_iv (O_TRUNC)	1018	const_iv (O_TRUNC)
…		…
931	const_iv (O_SEARCH)	1031	const_iv (O_SEARCH)
932	const_iv (O_DIRECTORY)	1032	const_iv (O_DIRECTORY)
933	const_iv (O_DSYNC)	1033	const_iv (O_DSYNC)
934	const_iv (O_RSYNC)	1034	const_iv (O_RSYNC)
935	const_iv (O_SYNC)	1035	const_iv (O_SYNC)
		1036	const_iv (O_PATH)
		1037	const_iv (O_TMPFILE)
936	const_iv (O_TTY_INIT)	1038	const_iv (O_TTY_INIT)
937		1039
938	const_iv (S_IFIFO)	1040	const_iv (S_IFIFO)
939	const_iv (S_IFCHR)	1041	const_iv (S_IFCHR)
940	const_iv (S_IFBLK)	1042	const_iv (S_IFBLK)
…		…
942	const_iv (S_IFREG)	1044	const_iv (S_IFREG)
943	const_iv (S_IFDIR)	1045	const_iv (S_IFDIR)
944	const_iv (S_IFWHT)	1046	const_iv (S_IFWHT)
945	const_iv (S_IFSOCK)	1047	const_iv (S_IFSOCK)
946	const_iv (S_IFMT)	1048	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		1049
961	const_iv (ST_RDONLY)	1050	const_iv (ST_RDONLY)
962	const_iv (ST_NOSUID)	1051	const_iv (ST_NOSUID)
963	const_iv (ST_NODEV)	1052	const_iv (ST_NODEV)
964	const_iv (ST_NOEXEC)	1053	const_iv (ST_NOEXEC)
…		…
974	const_iv (PROT_NONE)	1063	const_iv (PROT_NONE)
975	const_iv (PROT_EXEC)	1064	const_iv (PROT_EXEC)
976	const_iv (PROT_READ)	1065	const_iv (PROT_READ)
977	const_iv (PROT_WRITE)	1066	const_iv (PROT_WRITE)
978		1067
979	/const_iv (MAP_FIXED)/
980	const_iv (MAP_PRIVATE)	1068	const_iv (MAP_PRIVATE)
981	const_iv (MAP_SHARED)	1069	const_iv (MAP_SHARED)
		1070	const_iv (MAP_FIXED)
982	const_iv (MAP_ANONYMOUS)	1071	const_iv (MAP_ANONYMOUS)
983		1072
984	/* linuxish */	1073	/* linuxish */
985	const_iv (MAP_HUGETLB)
986	const_iv (MAP_LOCKED)	1074	const_iv (MAP_LOCKED)
987	const_iv (MAP_NORESERVE)	1075	const_iv (MAP_NORESERVE)
988	const_iv (MAP_POPULATE)	1076	const_iv (MAP_POPULATE)
989	const_iv (MAP_NONBLOCK)	1077	const_iv (MAP_NONBLOCK)
		1078	const_iv (MAP_GROWSDOWN)
		1079	const_iv (MAP_32BIT)
		1080	const_iv (MAP_HUGETLB)
		1081	const_iv (MAP_STACK)
		1082
		1083	const_iv (F_DUPFD_CLOEXEC)
		1084
		1085	const_iv (F_OFD_GETLK)
		1086	const_iv (F_OFD_SETLK)
		1087	const_iv (F_OFD_GETLKW)
		1088
		1089	const_iv (FIFREEZE)
		1090	const_iv (FITHAW)
		1091	const_iv (FITRIM)
		1092	const_iv (FICLONE)
		1093	const_iv (FICLONERANGE)
		1094	const_iv (FIDEDUPERANGE)
		1095
		1096	const_iv (FS_IOC_GETFLAGS)
		1097	const_iv (FS_IOC_SETFLAGS)
		1098	const_iv (FS_IOC_GETVERSION)
		1099	const_iv (FS_IOC_SETVERSION)
		1100	const_iv (FS_IOC_FIEMAP)
		1101	const_iv (FS_IOC_FSGETXATTR)
		1102	const_iv (FS_IOC_FSSETXATTR)
		1103	const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
		1104	const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
		1105	const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
		1106
		1107	const_iv (FS_KEY_DESCRIPTOR_SIZE)
		1108
		1109	const_iv (FS_SECRM_FL)
		1110	const_iv (FS_UNRM_FL)
		1111	const_iv (FS_COMPR_FL)
		1112	const_iv (FS_SYNC_FL)
		1113	const_iv (FS_IMMUTABLE_FL)
		1114	const_iv (FS_APPEND_FL)
		1115	const_iv (FS_NODUMP_FL)
		1116	const_iv (FS_NOATIME_FL)
		1117	const_iv (FS_DIRTY_FL)
		1118	const_iv (FS_COMPRBLK_FL)
		1119	const_iv (FS_NOCOMP_FL)
		1120	const_iv (FS_ENCRYPT_FL)
		1121	const_iv (FS_BTREE_FL)
		1122	const_iv (FS_INDEX_FL)
		1123	const_iv (FS_JOURNAL_DATA_FL)
		1124	const_iv (FS_NOTAIL_FL)
		1125	const_iv (FS_DIRSYNC_FL)
		1126	const_iv (FS_TOPDIR_FL)
		1127	const_iv (FS_FL_USER_MODIFIABLE)
		1128
		1129	const_iv (FS_XFLAG_REALTIME)
		1130	const_iv (FS_XFLAG_PREALLOC)
		1131	const_iv (FS_XFLAG_IMMUTABLE)
		1132	const_iv (FS_XFLAG_APPEND)
		1133	const_iv (FS_XFLAG_SYNC)
		1134	const_iv (FS_XFLAG_NOATIME)
		1135	const_iv (FS_XFLAG_NODUMP)
		1136	const_iv (FS_XFLAG_RTINHERIT)
		1137	const_iv (FS_XFLAG_PROJINHERIT)
		1138	const_iv (FS_XFLAG_NOSYMLINKS)
		1139	const_iv (FS_XFLAG_EXTSIZE)
		1140	const_iv (FS_XFLAG_EXTSZINHERIT)
		1141	const_iv (FS_XFLAG_NODEFRAG)
		1142	const_iv (FS_XFLAG_FILESTREAM)
		1143	const_iv (FS_XFLAG_DAX)
		1144	const_iv (FS_XFLAG_HASATTR)
990		1145
991	const_iv (FIEMAP_FLAG_SYNC)	1146	const_iv (FIEMAP_FLAG_SYNC)
992	const_iv (FIEMAP_FLAG_XATTR)	1147	const_iv (FIEMAP_FLAG_XATTR)
993	const_iv (FIEMAP_FLAGS_COMPAT)	1148	const_iv (FIEMAP_FLAGS_COMPAT)
994	const_iv (FIEMAP_EXTENT_LAST)	1149	const_iv (FIEMAP_EXTENT_LAST)
…		…
1006	const_iv (SPLICE_F_MOVE)	1161	const_iv (SPLICE_F_MOVE)
1007	const_iv (SPLICE_F_NONBLOCK)	1162	const_iv (SPLICE_F_NONBLOCK)
1008	const_iv (SPLICE_F_MORE)	1163	const_iv (SPLICE_F_MORE)
1009	const_iv (SPLICE_F_GIFT)	1164	const_iv (SPLICE_F_GIFT)
1010		1165
1011	const_iv (SEEK_DATA)	1166	/* these are libeio constants, and are independent of gendef0 */
1012	const_iv (SEEK_HOLE)
1013
1014	/* libeio constants */
1015	const_eio (SEEK_SET)	1167	const_eio (SEEK_SET)
1016	const_eio (SEEK_CUR)	1168	const_eio (SEEK_CUR)
1017	const_eio (SEEK_END)	1169	const_eio (SEEK_END)
1018		1170
1019	const_eio (MCL_FUTURE)	1171	const_eio (MCL_FUTURE)
…		…
1029	const_eio (SYNC_FILE_RANGE_WRITE)	1181	const_eio (SYNC_FILE_RANGE_WRITE)
1030	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)	1182	const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1031		1183
1032	const_eio (FALLOC_FL_KEEP_SIZE)	1184	const_eio (FALLOC_FL_KEEP_SIZE)
1033	const_eio (FALLOC_FL_PUNCH_HOLE)	1185	const_eio (FALLOC_FL_PUNCH_HOLE)
		1186	const_eio (FALLOC_FL_COLLAPSE_RANGE)
		1187	const_eio (FALLOC_FL_ZERO_RANGE)
		1188	const_eio (FALLOC_FL_INSERT_RANGE)
		1189	const_eio (FALLOC_FL_UNSHARE_RANGE)
		1190
		1191	const_eio (RENAME_NOREPLACE)
		1192	const_eio (RENAME_EXCHANGE)
		1193	const_eio (RENAME_WHITEOUT)
1034		1194
1035	const_eio (READDIR_DENTS)	1195	const_eio (READDIR_DENTS)
1036	const_eio (READDIR_DIRS_FIRST)	1196	const_eio (READDIR_DIRS_FIRST)
1037	const_eio (READDIR_STAT_ORDER)	1197	const_eio (READDIR_STAT_ORDER)
1038	const_eio (READDIR_FOUND_UNKNOWN)	1198	const_eio (READDIR_FOUND_UNKNOWN)
…		…
1106	PROTOTYPE: $	1266	PROTOTYPE: $
1107	CODE:	1267	CODE:
1108	max_outstanding = maxreqs;	1268	max_outstanding = maxreqs;
1109		1269
1110	void	1270	void
1111	aio_wd (SV8 pathname, SV callback=&PL_sv_undef)	1271	aio_wd (SV8 pathname, SV callback = &PL_sv_undef)
1112	PPCODE:	1272	PPCODE:
1113	{	1273	{
1114	dREQ;	1274	dREQ;
1115		1275
1116	req->type = EIO_WD_OPEN;	1276	req->type = EIO_WD_OPEN;
…		…
1118		1278
1119	REQ_SEND;	1279	REQ_SEND;
1120	}	1280	}
1121		1281
1122	void	1282	void
1123	aio_open (SV8 pathname, int flags, int mode, SV callback=&PL_sv_undef)	1283	aio_open (SV8 pathname, int flags, int mode, SV callback = &PL_sv_undef)
1124	PPCODE:	1284	PPCODE:
1125	{	1285	{
1126	dREQ;	1286	dREQ;
1127		1287
1128	req->type = EIO_OPEN;	1288	req->type = EIO_OPEN;
…		…
1132		1292
1133	REQ_SEND;	1293	REQ_SEND;
1134	}	1294	}
1135		1295
1136	void	1296	void
1137	aio_fsync (SV fh, SV callback=&PL_sv_undef)	1297	aio_fsync (SV fh, SV callback = &PL_sv_undef)
1138	ALIAS:	1298	ALIAS:
1139	aio_fsync = EIO_FSYNC	1299	aio_fsync = EIO_FSYNC
1140	aio_fdatasync = EIO_FDATASYNC	1300	aio_fdatasync = EIO_FDATASYNC
1141	aio_syncfs = EIO_SYNCFS	1301	aio_syncfs = EIO_SYNCFS
1142	PPCODE:	1302	PPCODE:
…		…
1150		1310
1151	REQ_SEND;	1311	REQ_SEND;
1152	}	1312	}
1153		1313
1154	void	1314	void
1155	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback=&PL_sv_undef)	1315	aio_sync_file_range (SV fh, off_t offset, size_t nbytes, UV flags, SV callback = &PL_sv_undef)
1156	PPCODE:	1316	PPCODE:
1157	{	1317	{
1158	int fd = s_fileno_croak (fh, 0);	1318	int fd = s_fileno_croak (fh, 0);
1159	dREQ;	1319	dREQ;
1160		1320
…		…
1167		1327
1168	REQ_SEND;	1328	REQ_SEND;
1169	}	1329	}
1170		1330
1171	void	1331	void
1172	aio_allocate (SV fh, int mode, off_t offset, size_t len, SV callback=&PL_sv_undef)	1332	aio_allocate (SV fh, int mode, off_t offset, size_t len, SV callback = &PL_sv_undef)
1173	PPCODE:	1333	PPCODE:
1174	{	1334	{
1175	int fd = s_fileno_croak (fh, 0);	1335	int fd = s_fileno_croak (fh, 0);
1176	dREQ;	1336	dREQ;
1177		1337
…		…
1184		1344
1185	REQ_SEND;	1345	REQ_SEND;
1186	}	1346	}
1187		1347
1188	void	1348	void
1189	aio_close (SV fh, SV callback=&PL_sv_undef)	1349	aio_close (SV fh, SV callback = &PL_sv_undef)
1190	PPCODE:	1350	PPCODE:
1191	{	1351	{
1192	static int close_fd = -1; /* dummy fd to close fds via dup2 */	1352	static int close_fd = -1; /* dummy fd to close fds via dup2 */
1193	int fd = s_fileno_croak (fh, 0);	1353	int fd = s_fileno_croak (fh, 0);
1194	dREQ;	1354	dREQ;
…		…
1218		1378
1219	REQ_SEND;	1379	REQ_SEND;
1220	}	1380	}
1221		1381
1222	void	1382	void
1223	aio_seek (SV fh, SV offset, int whence, SV *callback=&PL_sv_undef)	1383	aio_seek (SV fh, SV offset, int whence, SV *callback = &PL_sv_undef)
1224	PPCODE:	1384	PPCODE:
1225	{	1385	{
1226	int fd = s_fileno_croak (fh, 0);	1386	int fd = s_fileno_croak (fh, 0);
1227	dREQ;	1387	dREQ;
1228		1388
…		…
1234		1394
1235	REQ_SEND;	1395	REQ_SEND;
1236	}	1396	}
1237		1397
1238	void	1398	void
1239	aio_read (SV fh, SV offset, SV length, SV8 data, IV dataoffset, SV *callback=&PL_sv_undef)	1399	aio_read (SV fh, SV offset, SV length, SV8 data, IV dataoffset, SV *callback = &PL_sv_undef)
1240	ALIAS:	1400	ALIAS:
1241	aio_read = EIO_READ	1401	aio_read = EIO_READ
1242	aio_write = EIO_WRITE	1402	aio_write = EIO_WRITE
1243	PPCODE:	1403	PPCODE:
1244	{	1404	{
…		…
1260	len = svlen - dataoffset;	1420	len = svlen - dataoffset;
1261	}	1421	}
1262	else	1422	else
1263	{	1423	{
1264	/* read: check type and grow scalar as necessary */	1424	/* read: check type and grow scalar as necessary */
1265	SvUPGRADE (data, SVt_PV);
1266	if (SvLEN (data) >= SvCUR (data))	1425	if (!SvPOK (data) \|\| SvLEN (data) >= SvCUR (data))
1267	svptr = SvGROW (data, len + dataoffset + 1);	1426	svptr = sv_grow (data, len + dataoffset + 1);
1268	else if (SvCUR (data) < len + dataoffset)	1427	else if (SvCUR (data) < len + dataoffset)
1269	croak ("length + dataoffset outside of scalar, and cannot grow");	1428	croak ("length + dataoffset outside of scalar, and cannot grow");
1270	}	1429	}
1271		1430
1272	{	1431	{
…		…
1290	REQ_SEND;	1449	REQ_SEND;
1291	}	1450	}
1292	}	1451	}
1293		1452
1294	void	1453	void
		1454	aio_ioctl (SV fh, unsigned long request, SV8 arg, SV *callback = &PL_sv_undef)
		1455	ALIAS:
		1456	aio_ioctl = EIO_IOCTL
		1457	aio_fcntl = EIO_FCNTL
		1458	PPCODE:
		1459	{
		1460	int fd = s_fileno_croak (fh, 0);
		1461	char *svptr;
		1462
		1463	if (SvPOK (arg) \|\| !SvNIOK (arg))
		1464	{
		1465	STRLEN svlen;
		1466	/* perl uses IOCPARM_LEN for fcntl, so we do, too */
		1467	#ifdef IOCPARM_LEN
		1468	STRLEN need = IOCPARM_LEN (request);
		1469	#else
		1470	STRLEN need = 256;
		1471	#endif
		1472
		1473	if (svlen < need)
		1474	svptr = SvGROW (arg, need);
		1475	}
		1476	else
		1477	svptr = (char *)SvIV (arg);
		1478
		1479	{
		1480	dREQ;
		1481
		1482	req->type = ix;
		1483	req->sv1 = newSVsv (fh);
		1484	req->int1 = fd;
		1485	req->int2 = (long)request;
		1486	req->sv2 = SvREFCNT_inc (arg);
		1487	req->ptr2 = svptr;
		1488
		1489	REQ_SEND;
		1490	}
		1491	}
		1492
		1493	void
1295	aio_readlink (SV8 pathname, SV callback=&PL_sv_undef)	1494	aio_readlink (SV8 pathname, SV callback = &PL_sv_undef)
1296	ALIAS:	1495	ALIAS:
1297	aio_readlink = EIO_READLINK	1496	aio_readlink = EIO_READLINK
1298	aio_realpath = EIO_REALPATH	1497	aio_realpath = EIO_REALPATH
1299	PPCODE:	1498	PPCODE:
1300	{	1499	{
…		…
1305		1504
1306	REQ_SEND;	1505	REQ_SEND;
1307	}	1506	}
1308		1507
1309	void	1508	void
1310	aio_sendfile (SV out_fh, SV in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)	1509	aio_sendfile (SV out_fh, SV in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1311	PPCODE:	1510	PPCODE:
1312	{	1511	{
1313	int ifd = s_fileno_croak (in_fh , 0);	1512	int ifd = s_fileno_croak (in_fh , 0);
1314	int ofd = s_fileno_croak (out_fh, 1);	1513	int ofd = s_fileno_croak (out_fh, 1);
1315	dREQ;	1514	dREQ;
…		…
1324		1523
1325	REQ_SEND;	1524	REQ_SEND;
1326	}	1525	}
1327		1526
1328	void	1527	void
1329	aio_readahead (SV fh, off_t offset, size_t length, SV callback=&PL_sv_undef)	1528	aio_readahead (SV fh, off_t offset, size_t length, SV callback = &PL_sv_undef)
1330	PPCODE:	1529	PPCODE:
1331	{	1530	{
1332	int fd = s_fileno_croak (fh, 0);	1531	int fd = s_fileno_croak (fh, 0);
1333	dREQ;	1532	dREQ;
1334		1533
…		…
1340		1539
1341	REQ_SEND;	1540	REQ_SEND;
1342	}	1541	}
1343		1542
1344	void	1543	void
1345	aio_stat (SV8 fh_or_path, SV callback=&PL_sv_undef)	1544	aio_stat (SV8 fh_or_path, SV callback = &PL_sv_undef)
1346	ALIAS:	1545	ALIAS:
1347	aio_stat = EIO_STAT	1546	aio_stat = EIO_STAT
1348	aio_lstat = EIO_LSTAT	1547	aio_lstat = EIO_LSTAT
1349	aio_statvfs = EIO_STATVFS	1548	aio_statvfs = EIO_STATVFS
1350	PPCODE:	1549	PPCODE:
…		…
1359	UV	1558	UV
1360	major (UV dev)	1559	major (UV dev)
1361	ALIAS:	1560	ALIAS:
1362	minor = 1	1561	minor = 1
1363	CODE:	1562	CODE:
1364	RETVAL = ix ? major (dev) : minor (dev);	1563	RETVAL = ix ? minor (dev) : major (dev);
1365	OUTPUT:	1564	OUTPUT:
1366	RETVAL	1565	RETVAL
1367		1566
1368	UV	1567	UV
1369	makedev (UV maj, UV min)	1568	makedev (UV maj, UV min)
…		…
1371	RETVAL = makedev (maj, min);	1570	RETVAL = makedev (maj, min);
1372	OUTPUT:	1571	OUTPUT:
1373	RETVAL	1572	RETVAL
1374		1573
1375	void	1574	void
1376	aio_utime (SV8 fh_or_path, SV atime, SV mtime, SV callback=&PL_sv_undef)	1575	aio_utime (SV8 fh_or_path, SV atime, SV mtime, SV callback = &PL_sv_undef)
1377	PPCODE:	1576	PPCODE:
1378	{	1577	{
1379	dREQ;	1578	dREQ;
1380		1579
1381	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;	1580	req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
…		…
1384		1583
1385	REQ_SEND;	1584	REQ_SEND;
1386	}	1585	}
1387		1586
1388	void	1587	void
1389	aio_truncate (SV8 fh_or_path, SV offset, SV *callback=&PL_sv_undef)	1588	aio_truncate (SV8 fh_or_path, SV offset, SV *callback = &PL_sv_undef)
1390	PPCODE:	1589	PPCODE:
1391	{	1590	{
1392	dREQ;	1591	dREQ;
1393		1592
1394	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;	1593	req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
…		…
1396		1595
1397	REQ_SEND;	1596	REQ_SEND;
1398	}	1597	}
1399		1598
1400	void	1599	void
1401	aio_chmod (SV8 fh_or_path, int mode, SV callback=&PL_sv_undef)	1600	aio_chmod (SV8 fh_or_path, int mode, SV callback = &PL_sv_undef)
1402	PPCODE:	1601	PPCODE:
1403	{	1602	{
1404	dREQ;	1603	dREQ;
1405		1604
1406	req->int2 = mode;	1605	req->int2 = mode;
…		…
1408		1607
1409	REQ_SEND;	1608	REQ_SEND;
1410	}	1609	}
1411		1610
1412	void	1611	void
1413	aio_chown (SV8 fh_or_path, SV uid, SV gid, SV callback=&PL_sv_undef)	1612	aio_chown (SV8 fh_or_path, SV uid, SV gid, SV callback = &PL_sv_undef)
1414	PPCODE:	1613	PPCODE:
1415	{	1614	{
1416	dREQ;	1615	dREQ;
1417		1616
1418	req->int2 = SvOK (uid) ? SvIV (uid) : -1;	1617	req->int2 = SvOK (uid) ? SvIV (uid) : -1;
…		…
1421		1620
1422	REQ_SEND;	1621	REQ_SEND;
1423	}	1622	}
1424		1623
1425	void	1624	void
1426	aio_readdirx (SV8 pathname, IV flags, SV callback=&PL_sv_undef)	1625	aio_readdirx (SV8 pathname, IV flags, SV callback = &PL_sv_undef)
1427	PPCODE:	1626	PPCODE:
1428	{	1627	{
1429	dREQ;	1628	dREQ;
1430		1629
1431	req->type = EIO_READDIR;	1630	req->type = EIO_READDIR;
…		…
1438		1637
1439	REQ_SEND;	1638	REQ_SEND;
1440	}	1639	}
1441		1640
1442	void	1641	void
1443	aio_mkdir (SV8 pathname, int mode, SV callback=&PL_sv_undef)	1642	aio_mkdir (SV8 pathname, int mode, SV callback = &PL_sv_undef)
1444	PPCODE:	1643	PPCODE:
1445	{	1644	{
1446	dREQ;	1645	dREQ;
1447		1646
1448	req->type = EIO_MKDIR;	1647	req->type = EIO_MKDIR;
…		…
1451		1650
1452	REQ_SEND;	1651	REQ_SEND;
1453	}	1652	}
1454		1653
1455	void	1654	void
1456	aio_unlink (SV8 pathname, SV callback=&PL_sv_undef)	1655	aio_unlink (SV8 pathname, SV callback = &PL_sv_undef)
1457	ALIAS:	1656	ALIAS:
1458	aio_unlink = EIO_UNLINK	1657	aio_unlink = EIO_UNLINK
1459	aio_rmdir = EIO_RMDIR	1658	aio_rmdir = EIO_RMDIR
1460	aio_readdir = EIO_READDIR	1659	aio_readdir = EIO_READDIR
1461	PPCODE:	1660	PPCODE:
…		…
1467		1666
1468	REQ_SEND;	1667	REQ_SEND;
1469	}	1668	}
1470		1669
1471	void	1670	void
1472	aio_link (SV8 oldpath, SV8 newpath, SV *callback=&PL_sv_undef)	1671	aio_link (SV8 oldpath, SV8 newpath, SV *callback = &PL_sv_undef)
1473	ALIAS:	1672	ALIAS:
1474	aio_link = EIO_LINK	1673	aio_link = EIO_LINK
1475	aio_symlink = EIO_SYMLINK	1674	aio_symlink = EIO_SYMLINK
1476	aio_rename = EIO_RENAME	1675	aio_rename = EIO_RENAME
1477	PPCODE:	1676	PPCODE:
…		…
1486		1685
1487	REQ_SEND;	1686	REQ_SEND;
1488	}	1687	}
1489		1688
1490	void	1689	void
		1690	aio_rename2 (SV8 oldpath, SV8 newpath, int flags = 0, SV *callback = &PL_sv_undef)
		1691	PPCODE:
		1692	{
		1693	eio_wd wd2 = 0;
		1694	dREQ;
		1695
		1696	req->type = EIO_RENAME;
		1697	req_set_path1 (req, oldpath);
		1698	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
		1699	req->int2 = flags;
		1700	req->int3 = (long)wd2;
		1701
		1702	REQ_SEND;
		1703	}
		1704
		1705	void
1491	aio_mknod (SV8 pathname, int mode, UV dev, SV callback=&PL_sv_undef)	1706	aio_mknod (SV8 pathname, int mode, UV dev, SV callback = &PL_sv_undef)
1492	PPCODE:	1707	PPCODE:
1493	{	1708	{
1494	dREQ;	1709	dREQ;
1495		1710
1496	req->type = EIO_MKNOD;	1711	req->type = EIO_MKNOD;
…		…
1500		1715
1501	REQ_SEND;	1716	REQ_SEND;
1502	}	1717	}
1503		1718
1504	void	1719	void
1505	aio_mtouch (SV8 data, IV offset = 0, SV length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)	1720	aio_mtouch (SV8 data, IV offset = 0, SV length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1506	ALIAS:	1721	ALIAS:
1507	aio_mtouch = EIO_MTOUCH	1722	aio_mtouch = EIO_MTOUCH
1508	aio_msync = EIO_MSYNC	1723	aio_msync = EIO_MSYNC
1509	PPCODE:	1724	PPCODE:
1510	{	1725	{
1511	STRLEN svlen;	1726	STRLEN svlen;
1512	char *svptr = SvPVbyte (data, svlen);	1727	char *svptr = SvPVbyte (data, svlen);
1513	UV len = SvUV (length);	1728	UV len = SvUV (length);
		1729
		1730	if (flags < 0)
		1731	flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1514		1732
1515	if (offset < 0)	1733	if (offset < 0)
1516	offset += svlen;	1734	offset += svlen;
1517		1735
1518	if (offset < 0 \|\| offset > svlen)	1736	if (offset < 0 \|\| offset > svlen)
…		…
1533	REQ_SEND;	1751	REQ_SEND;
1534	}	1752	}
1535	}	1753	}
1536		1754
1537	void	1755	void
1538	aio_mlock (SV8 data, IV offset = 0, SV length = &PL_sv_undef, SV *callback=&PL_sv_undef)	1756	aio_mlock (SV8 data, IV offset = 0, SV length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1539	PPCODE:	1757	PPCODE:
1540	{	1758	{
1541	STRLEN svlen;	1759	STRLEN svlen;
1542	char *svptr = SvPVbyte (data, svlen);	1760	char *svptr = SvPVbyte (data, svlen);
1543	UV len = SvUV (length);	1761	UV len = SvUV (length);
…		…
1562	REQ_SEND;	1780	REQ_SEND;
1563	}	1781	}
1564	}	1782	}
1565		1783
1566	void	1784	void
1567	aio_mlockall (IV flags, SV *callback=&PL_sv_undef)	1785	aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1568	PPCODE:	1786	PPCODE:
1569	{	1787	{
1570	dREQ;	1788	dREQ;
1571		1789
1572	req->type = EIO_MLOCKALL;	1790	req->type = EIO_MLOCKALL;
…		…
1574		1792
1575	REQ_SEND;	1793	REQ_SEND;
1576	}	1794	}
1577		1795
1578	void	1796	void
1579	aio_fiemap (SV fh, off_t start, SV length, U32 flags, SV count, SV callback=&PL_sv_undef)	1797	aio_fiemap (SV fh, off_t start, SV length, U32 flags, SV count, SV callback = &PL_sv_undef)
1580	PPCODE:	1798	PPCODE:
1581	{	1799	{
1582	int fd = s_fileno_croak (fh, 0);	1800	int fd = s_fileno_croak (fh, 0);
1583	dREQ;	1801	dREQ;
1584		1802
…		…
1597		1815
1598	REQ_SEND;	1816	REQ_SEND;
1599	}	1817	}
1600		1818
1601	void	1819	void
		1820	aio_slurp (SV pathname, off_t offset, UV length, SV8 data, SV *callback = &PL_sv_undef)
		1821	PPCODE:
		1822	{
		1823	char *svptr = 0;
		1824
		1825	sv_clear_foreign (data);
		1826
		1827	if (length) /* known length, directly read into scalar */
		1828	{
		1829	if (!SvPOK (data) \|\| SvLEN (data) >= SvCUR (data))
		1830	svptr = sv_grow (data, length + 1);
		1831	else if (SvCUR (data) < length)
		1832	croak ("length outside of scalar, and cannot grow");
		1833	else
		1834	svptr = SvPVbyte_nolen (data);
		1835	}
		1836
		1837	{
		1838	dREQ;
		1839
		1840	req->type = EIO_SLURP;
		1841	req_set_path1 (req, pathname);
		1842	req->offs = offset;
		1843	req->size = length;
		1844	req->sv2 = SvREFCNT_inc (data);
		1845	req->ptr2 = svptr;
		1846
		1847	if (!SvREADONLY (data))
		1848	{
		1849	SvREADONLY_on (data);
		1850	req->flags \|= FLAG_SV2_RO_OFF;
		1851	}
		1852
		1853	REQ_SEND;
		1854	}
		1855	}
		1856
		1857	void
1602	aio_busy (double delay, SV *callback=&PL_sv_undef)	1858	aio_busy (double delay, SV *callback = &PL_sv_undef)
1603	PPCODE:	1859	PPCODE:
1604	{	1860	{
1605	dREQ;	1861	dREQ;
1606		1862
1607	req->type = EIO_BUSY;	1863	req->type = EIO_BUSY;
…		…
1609		1865
1610	REQ_SEND;	1866	REQ_SEND;
1611	}	1867	}
1612		1868
1613	void	1869	void
1614	aio_group (SV *callback=&PL_sv_undef)	1870	aio_group (SV *callback = &PL_sv_undef)
1615	PPCODE:	1871	PPCODE:
1616	{	1872	{
1617	dREQ;	1873	dREQ;
1618		1874
1619	req->type = EIO_GROUP;	1875	req->type = EIO_GROUP;
1620		1876
		1877	PUTBACK;
1621	req_submit (req);	1878	req_submit (req);
		1879	SPAGAIN;
		1880
1622	XPUSHs (req_sv (req, aio_grp_stash));	1881	XPUSHs (req_sv (req, aio_grp_stash));
1623	}	1882	}
1624		1883
1625	void	1884	void
1626	aio_nop (SV *callback=&PL_sv_undef)	1885	aio_nop (SV *callback = &PL_sv_undef)
1627	ALIAS:	1886	ALIAS:
1628	aio_nop = EIO_NOP	1887	aio_nop = EIO_NOP
1629	aio_sync = EIO_SYNC	1888	aio_sync = EIO_SYNC
1630	PPCODE:	1889	PPCODE:
1631	{	1890	{
…		…
1635		1894
1636	REQ_SEND;	1895	REQ_SEND;
1637	}	1896	}
1638		1897
1639	int	1898	int
1640	aioreq_pri (int pri = 0)	1899	aioreq_pri (int pri = NO_INIT)
1641	CODE:	1900	CODE:
1642	RETVAL = next_pri;	1901	RETVAL = next_pri;
1643	if (items > 0)	1902	if (items > 0)
1644	{	1903	{
1645	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;	1904	if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
…		…
1735	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);	1994	RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1736	OUTPUT:	1995	OUTPUT:
1737	RETVAL	1996	RETVAL
1738		1997
1739	void	1998	void
1740	mmap (SV scalar, size_t length, int prot, int flags, SV fh = &PL_sv_undef, off_t offset = 0)	1999	mmap (SV scalar, STRLEN length, int prot, int flags, SV fh = &PL_sv_undef, off_t offset = 0)
1741	PPCODE:	2000	PPCODE:
1742	sv_unmagic (scalar, MMAP_MAGIC);	2001	sv_clear_foreign (scalar);
1743	{	2002	{
1744	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	2003	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1745	void addr = (void )mmap (0, length, prot, flags, fd, offset);	2004	void addr = (void )mmap (0, length, prot, flags, fd, offset);
1746	if (addr == (void *)-1)	2005	if (addr == (void *)-1)
1747	XSRETURN_NO;	2006	XSRETURN_NO;
1748		2007
1749	sv_force_normal (scalar);	2008	sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1750
1751	/* we store the length in mg_obj, as namlen is I32 :/ */
1752	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1753	->mg_obj = (SV *)length;
1754
1755	SvUPGRADE (scalar, SVt_PV); /* nop... */
1756		2009
1757	if (!(prot & PROT_WRITE))	2010	if (!(prot & PROT_WRITE))
1758	SvREADONLY_on (scalar);	2011	SvREADONLY_on (scalar);
1759		2012
1760	if (SvLEN (scalar))
1761	Safefree (SvPVX (scalar));
1762
1763	SvPVX (scalar) = (char *)addr;
1764	SvCUR_set (scalar, length);
1765	SvLEN_set (scalar, 0);
1766	SvPOK_only (scalar);
1767
1768	XSRETURN_YES;	2013	XSRETURN_YES;
1769	}	2014	}
1770		2015
1771	void	2016	void
1772	munmap (SV *scalar)	2017	munmap (SV *scalar)
1773	CODE:	2018	CODE:
1774	sv_unmagic (scalar, MMAP_MAGIC);	2019	sv_clear_foreign (scalar);
1775		2020
1776	int	2021	int
1777	madvise (SV scalar, off_t offset = 0, SV length = &PL_sv_undef, IV advice_or_prot)	2022	madvise (SV scalar, STRLEN offset = 0, SV length = &PL_sv_undef, IV advice_or_prot)
1778	ALIAS:	2023	ALIAS:
1779	mprotect = 1	2024	mprotect = 1
1780	CODE:	2025	CODE:
1781	{	2026	{
1782	STRLEN svlen;	2027	STRLEN svlen;
1783	void *addr = SvPVbyte (scalar, svlen);	2028	void *addr = SvPVbyte (scalar, svlen);
1784	size_t len = SvUV (length);	2029	STRLEN len = SvUV (length);
1785		2030
1786	if (offset < 0)	2031	if (offset < 0)
1787	offset += svlen;	2032	offset += svlen;
1788		2033
1789	if (offset < 0 \|\| offset > svlen)	2034	if (offset < 0 \|\| offset > svlen)
…		…
1803	}	2048	}
1804	OUTPUT:	2049	OUTPUT:
1805	RETVAL	2050	RETVAL
1806		2051
1807	int	2052	int
1808	munlock (SV scalar, off_t offset = 0, SV length = &PL_sv_undef)	2053	munlock (SV scalar, STRLEN offset = 0, SV length = &PL_sv_undef)
1809	CODE:	2054	CODE:
1810	{	2055	{
1811	STRLEN svlen;	2056	STRLEN svlen;
1812	void *addr = SvPVbyte (scalar, svlen);	2057	void *addr = SvPVbyte (scalar, svlen);
1813	size_t len = SvUV (length);	2058	size_t len = SvUV (length);
…		…
1869	#else	2114	#else
1870	RETVAL = EIO_ENOSYS ();	2115	RETVAL = EIO_ENOSYS ();
1871	#endif	2116	#endif
1872	OUTPUT:	2117	OUTPUT:
1873	RETVAL	2118	RETVAL
		2119
		2120	int
		2121	pipesize (aio_rfd rfh, int new_size = -1)
		2122	PROTOTYPE: $;$
		2123	CODE:
		2124	#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
		2125	if (new_size >= 0)
		2126	RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
		2127	else
		2128	RETVAL = fcntl (rfh, F_GETPIPE_SZ);
		2129	#else
		2130	errno = ENOSYS;
		2131	RETVAL = -1;
		2132	#endif
		2133	OUTPUT:
		2134	RETVAL
		2135
		2136	void
		2137	pipe2 (int flags = 0)
		2138	PROTOTYPE: ;$
		2139	PPCODE:
		2140	{
		2141	int fd[2];
		2142	int res;
		2143
		2144	if (flags)
		2145	#if HAVE_PIPE2
		2146	res = pipe2 (fd, flags);
		2147	#else
		2148	res = (errno = ENOSYS, -1);
		2149	#endif
		2150	else
		2151	res = pipe (fd);
		2152
		2153	if (!res)
		2154	{
		2155	EXTEND (SP, 2);
		2156	PUSHs (newmortalFH (fd[0], O_RDONLY));
		2157	PUSHs (newmortalFH (fd[1], O_WRONLY));
		2158	}
		2159	}
		2160
		2161	UV
		2162	get_fdlimit ()
		2163	CODE:
		2164	#if HAVE_RLIMITS
		2165	struct rlimit rl;
		2166	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2167	XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
		2168	#endif
		2169	XSRETURN_UNDEF;
		2170	OUTPUT:
		2171	RETVAL
		2172
		2173	void
		2174	min_fdlimit (UV limit = 0x7fffffffU)
		2175	CODE:
		2176	{
		2177	#if HAVE_RLIMITS
		2178	struct rlimit rl;
		2179	rlim_t orig_rlim_max;
		2180	UV bit;
		2181
		2182	if (0 != getrlimit (RLIMIT_NOFILE, &rl))
		2183	goto fail;
		2184
		2185	if (rl.rlim_cur == RLIM_INFINITY)
		2186	XSRETURN_YES;
		2187
		2188	orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
		2189
		2190	if (rl.rlim_cur < limit)
		2191	{
		2192	rl.rlim_cur = limit;
		2193
		2194	if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
		2195	rl.rlim_max = rl.rlim_cur;
		2196	}
		2197
		2198	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2199	XSRETURN_YES;
		2200
		2201	if (errno == EPERM)
		2202	{
		2203	/* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
		2204	/* our limit overflows a system-wide limit */
		2205	/* try an adaptive algorithm, but do not lower the hardlimit */
		2206	rl.rlim_max = 0;
		2207	for (bit = 0x40000000U; bit; bit >>= 1)
		2208	{
		2209	rl.rlim_max \|= bit;
		2210	rl.rlim_cur = rl.rlim_max;
		2211
		2212	/* nevr decrease the hard limit */
		2213	if (rl.rlim_max < orig_rlim_max)
		2214	break;
		2215
		2216	if (0 != setrlimit (RLIMIT_NOFILE, &rl))
		2217	rl.rlim_max &= ~bit; /* too high, remove bit again */
		2218	}
		2219
		2220	/* now, raise the soft limit to the max permitted */
		2221	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2222	{
		2223	rl.rlim_cur = rl.rlim_max;
		2224	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2225	errno = EPERM;
		2226	}
		2227	}
		2228	#endif
		2229	fail:
		2230	XSRETURN_UNDEF;
		2231	}
1874		2232
1875	void _on_next_submit (SV *cb)	2233	void _on_next_submit (SV *cb)
1876	CODE:	2234	CODE:
1877	SvREFCNT_dec (on_next_submit);	2235	SvREFCNT_dec (on_next_submit);
1878	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	2236	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
…		…
1913	cancel (aio_req_ornot req)	2271	cancel (aio_req_ornot req)
1914	CODE:	2272	CODE:
1915	eio_cancel (req);	2273	eio_cancel (req);
1916		2274
1917	void	2275	void
1918	cb (aio_req_ornot req, SV *callback=&PL_sv_undef)	2276	cb (aio_req_ornot req, SV *callback = NO_INIT)
1919	PPCODE:	2277	PPCODE:
1920	{	2278	{
1921	if (GIMME_V != G_VOID)	2279	if (GIMME_V != G_VOID)
1922	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);	2280	XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1923		2281
1924	if (items > 1)	2282	if (items > 1)
1925	{	2283	{
1926	SV *cb_cv =get_cb (callback);	2284	SV *cb_cv = get_cb (callback);
1927		2285
1928	SvREFCNT_dec (req->callback);	2286	SvREFCNT_dec (req->callback);
1929	req->callback = SvREFCNT_inc (cb_cv);	2287	req->callback = SvREFCNT_inc (cb_cv);
1930	}	2288	}
1931	}	2289	}
…		…
1988	limit (aio_req grp, int limit)	2346	limit (aio_req grp, int limit)
1989	CODE:	2347	CODE:
1990	eio_grp_limit (grp, limit);	2348	eio_grp_limit (grp, limit);
1991		2349
1992	void	2350	void
1993	feed (aio_req grp, SV *callback=&PL_sv_undef)	2351	feed (aio_req grp, SV *callback = &PL_sv_undef)
1994	CODE:	2352	CODE:
1995	{	2353	{
1996	SvREFCNT_dec (grp->sv2);	2354	SvREFCNT_dec (grp->sv2);
1997	grp->sv2 = newSVsv (callback);	2355	grp->sv2 = newSVsv (callback);
1998	grp->feed = aio_grp_feed;	2356	grp->feed = aio_grp_feed;

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Comparing IO-AIO/AIO.xs (file contents): Revision 1.226 by root, Sun Jan 6 11:48:14 2013 UTC vs. Revision 1.252 by root, Sat Jan 6 02:11:10 2018 UTC

Diff Legend

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.226 by root, Sun Jan 6 11:48:14 2013 UTC vs.
Revision 1.252 by root, Sat Jan 6 02:11:10 2018 UTC