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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.232 by root, Sat Jun 13 00:06:13 2015 UTC vs.
Revision 1.253 by root, Tue Feb 20 04:32:59 2018 UTC

…		…
21	# include <sys/mman.h>	21	# include <sys/mman.h>
22	#endif	22	#endif
23		23
24	/* the incompetent fool that created musl keeps __linux__, refuses	24	/* the incompetent fool that created musl keeps __linux__, refuses
25	* to implement any linux standard apis, and also has no way to test	25	* to implement any linux standard apis, and also has no way to test
26	* for his broken iplementation. on't complain if this fails for you.	26	* for his broken iplementation. don't complain to me if this fails
		27	* for you.
27	*/	28	*/
28	#if __linux__ && (defined __GLIBC__ \|\| defined __UCLIBC__)	29	#if __linux__ && (defined __GLIBC__ \|\| defined __UCLIBC__)
29	# include <linux/fs.h>	30	# include <linux/fs.h>
30	# ifdef FS_IOC_FIEMAP	31	# ifdef FS_IOC_FIEMAP
31	# include <linux/types.h>	32	# include <linux/types.h>
…		…
103	#define expect_false(expr) expect ((expr) != 0, 0)	104	#define expect_false(expr) expect ((expr) != 0, 0)
104	#define expect_true(expr) expect ((expr) != 0, 1)	105	#define expect_true(expr) expect ((expr) != 0, 1)
105		106
106	/*****************************************************************************/	107	/*****************************************************************************/
107		108
		109	#include "libeio/config.h"
		110
		111	#if HAVE_EVENTFD
		112	# include <sys/eventfd.h>
		113	#endif
		114
		115	#if HAVE_RLIMITS
		116	#include <sys/time.h>
		117	#include <sys/resource.h>
		118	#endif
		119
108	typedef SV SV8; /* byte-sv, used for argument-checking */	120	typedef SV SV8; /* byte-sv, used for argument-checking */
109	typedef int aio_rfd; /* read file desriptor */	121	typedef int aio_rfd; /* read file desriptor */
110	typedef int aio_wfd; /* write file descriptor */	122	typedef int aio_wfd; /* write file descriptor */
111		123
112	static HV aio_stash, aio_req_stash, aio_grp_stash, aio_wd_stash;	124	static HV aio_stash, aio_req_stash, aio_grp_stash, aio_wd_stash;
…		…
118	STRLEN stroffset; \	130	STRLEN stroffset; \
119	SV *self;	131	SV *self;
120		132
121	#define EIO_NO_WRAPPERS 1	133	#define EIO_NO_WRAPPERS 1
122		134
123	#include "libeio/config.h"
124	#include "libeio/eio.h"	135	#include "libeio/eio.h"
125		136
126	static int req_invoke (eio_req *req);	137	static int req_invoke (eio_req *req);
127	#define EIO_FINISH(req) req_invoke (req)	138	#define EIO_FINISH(req) req_invoke (req)
128	static void req_destroy (eio_req *grp);	139	static void req_destroy (eio_req *grp);
…		…
145	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	156	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
146	# endif	157	# endif
147	#endif	158	#endif
148		159
149	/* defines all sorts of constants to 0 unless they are already defined */	160	/* defines all sorts of constants to 0 unless they are already defined */
		161	/* also provides const_iv_ and const_niv_ macros for them */
150	#include "def0.h"	162	#include "def0.h"
151		163
152	#ifndef makedev	164	#ifndef makedev
153	# define makedev(maj,min) (((maj) << 8) \| (min))	165	# define makedev(maj,min) (((maj) << 8) \| (min))
154	#endif	166	#endif
…		…
160	#endif	172	#endif
161		173
162	#if PAGESIZE <= 0	174	#if PAGESIZE <= 0
163	# define PAGESIZE sysconf (_SC_PAGESIZE)	175	# define PAGESIZE sysconf (_SC_PAGESIZE)
164	#endif	176	#endif
		177
		178	/*****************************************************************************/
		179
		180	#if !_POSIX_MAPPED_FILES
		181	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
		182	# define munmap(addr,length) EIO_ENOSYS ()
		183	#endif
		184
		185	#if !_POSIX_MEMORY_PROTECTION
		186	# define mprotect(addr,len,prot) EIO_ENOSYS ()
		187	#endif
		188
		189	#define FOREIGN_MAGIC PERL_MAGIC_ext
		190
		191	static int ecb_cold
		192	mmap_free (pTHX_ SV sv, MAGIC mg)
		193	{
		194	int old_errno = errno;
		195	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		196	errno = old_errno;
		197
		198	mg->mg_obj = 0; /* just in case */
		199
		200	SvREADONLY_off (sv);
		201
		202	if (SvPVX (sv) != mg->mg_ptr)
		203	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		204
		205	SvCUR_set (sv, 0);
		206	SvPVX (sv) = 0;
		207	SvOK_off (sv);
		208
		209	return 0;
		210	}
		211
		212	static MGVTBL mmap_vtbl = {
		213	0, 0, 0, 0, mmap_free
		214	};
		215
		216	static int ecb_cold
		217	sysfree_free (pTHX_ SV sv, MAGIC mg)
		218	{
		219	free (mg->mg_ptr);
		220	mg->mg_obj = 0; /* just in case */
		221
		222	SvREADONLY_off (sv);
		223
		224	if (SvPVX (sv) != mg->mg_ptr)
		225	croak ("ERROR: IO::AIO mapped scalar changed location, detected");
		226
		227	SvCUR_set (sv, 0);
		228	SvPVX (sv) = 0;
		229	SvOK_off (sv);
		230
		231	return 0;
		232	}
		233
		234	static MGVTBL sysfree_vtbl = {
		235	0, 0, 0, 0, sysfree_free
		236	};
		237
		238	/*****************************************************************************/
		239
		240	/* helper: set scalar to foreign ptr with custom free */
		241	static void
		242	sv_set_foreign (SV sv, const MGVTBL const vtbl, void *addr, IV length)
		243	{
		244	sv_force_normal (sv);
		245
		246	/* we store the length in mg_obj, as namlen is I32 :/ */
		247	sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
		248	->mg_obj = (SV *)length;
		249
		250	SvUPGRADE (sv, SVt_PV); /* nop... */
		251
		252	if (SvLEN (sv))
		253	Safefree (SvPVX (sv));
		254
		255	SvPVX (sv) = (char *)addr;
		256	SvCUR_set (sv, length);
		257	SvLEN_set (sv, 0);
		258	SvPOK_only (sv);
		259	}
		260
		261	static void
		262	sv_clear_foreign (SV *sv)
		263	{
		264	/* todo: iterate over magic and only free ours, but of course */
		265	/* the perl5porters will call that (correct) behaviour buggy */
		266	sv_unmagic (sv, FOREIGN_MAGIC);
		267	}
165		268
166	/*****************************************************************************/	269	/*****************************************************************************/
167		270
168	static void	271	static void
169	fiemap (eio_req *req)	272	fiemap (eio_req *req)
…		…
337	\|\| SvTYPE (SvRV (sv)) != SVt_PVMG	440	\|\| SvTYPE (SvRV (sv)) != SVt_PVMG
338	\|\| SvSTASH (SvRV (sv)) != aio_wd_stash)	441	\|\| SvSTASH (SvRV (sv)) != aio_wd_stash)
339	croak ("IO::AIO: expected a working directory object as returned by aio_wd");	442	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
340		443
341	return (aio_wd)(long)SvIVX (SvRV (sv));	444	return (aio_wd)(long)SvIVX (SvRV (sv));
		445	}
		446
		447	static SV *
		448	newmortalFH (int fd, int flags)
		449	{
		450	if (fd < 0)
		451	return &PL_sv_undef;
		452
		453	GV gv = (GV )sv_newmortal ();
		454	char sym[64];
		455	int symlen;
		456
		457	symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
		458	gv_init (gv, aio_stash, sym, symlen, 0);
		459
		460	symlen = snprintf (
		461	sym,
		462	sizeof (sym),
		463	"%s&=%d",
		464	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
		465	fd
		466	);
		467
		468	return do_open (gv, sym, symlen, 0, 0, 0, 0)
		469	? (SV *)gv : &PL_sv_undef;
342	}	470	}
343		471
344	static void	472	static void
345	aio_grp_feed (aio_req grp)	473	aio_grp_feed (aio_req grp)
346	{	474	{
…		…
474	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 \| EIO_READDIR_CUSTOM2))));	602	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 \| EIO_READDIR_CUSTOM2))));
475	}	603	}
476	break;	604	break;
477		605
478	case EIO_OPEN:	606	case EIO_OPEN:
479	{	607	PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR)));
480	/* convert fd to fh */
481	SV *fh = &PL_sv_undef;
482
483	if (req->result >= 0)
484	{
485	GV gv = (GV )sv_newmortal ();
486	int flags = req->int1 & (O_RDONLY \| O_WRONLY \| O_RDWR);
487	char sym [64];
488	int symlen;
489
490	symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
491	gv_init (gv, aio_stash, sym, symlen, 0);
492
493	symlen = snprintf (
494	sym,
495	sizeof (sym),
496	"%s&=%d",
497	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
498	(int)req->result
499	);
500
501	if (do_open (gv, sym, symlen, 0, 0, 0, 0))
502	fh = (SV *)gv;
503	}
504
505	PUSHs (fh);
506	}
507	break;	608	break;
508		609
509	case EIO_STATVFS:	610	case EIO_STATVFS:
510	case EIO_FSTATVFS:	611	case EIO_FSTATVFS:
511	{	612	{
…		…
591	SvSETMAGIC (req->sv2);	692	SvSETMAGIC (req->sv2);
592	PUSHs (sv_result);	693	PUSHs (sv_result);
593	}	694	}
594	break;	695	break;
595		696
		697	case EIO_SLURP:
		698	{
		699	if (req->result >= 0)
		700	{
		701	/* if length was originally not known, we steal the malloc'ed memory */
		702	if (req->flags & EIO_FLAG_PTR2_FREE)
		703	{
		704	req->flags &= ~EIO_FLAG_PTR2_FREE;
		705	sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
		706	}
		707	else
		708	{
		709	SvCUR_set (req->sv2, req->result);
		710	*SvEND (req->sv2) = 0;
		711	SvPOK_only (req->sv2);
		712	}
		713
		714	SvSETMAGIC (req->sv2);
		715	}
		716
		717	PUSHs (sv_result);
		718	}
		719	break;
		720
596	case EIO_CUSTOM:	721	case EIO_CUSTOM:
597	if (req->feed == fiemap)	722	if (req->feed == fiemap)
598	{	723	{
599	#if HAVE_FIEMAP	724	#if HAVE_FIEMAP
600	if (!req->result)	725	if (!req->result)
…		…
705	{	830	{
706	while (eio_nreqs ())	831	while (eio_nreqs ())
707	{	832	{
708	int size;	833	int size;
709		834
710	X_LOCK (reslock);	835	X_LOCK (EIO_POOL->reslock);
711	size = res_queue.size;	836	size = EIO_POOL->res_queue.size;
712	X_UNLOCK (reslock);	837	X_UNLOCK (EIO_POOL->reslock);
713		838
714	if (size)	839	if (size)
715	return;	840	return;
716		841
717	etp_maybe_start_thread ();	842	etp_maybe_start_thread (EIO_POOL);
718		843
719	s_epipe_wait (&respipe);	844	s_epipe_wait (&respipe);
720	}	845	}
721	}	846	}
722		847
…		…
743	create_respipe ();	868	create_respipe ();
744		869
745	if (eio_init (want_poll, done_poll) < 0)	870	if (eio_init (want_poll, done_poll) < 0)
746	croak ("IO::AIO: unable to initialise eio library");	871	croak ("IO::AIO: unable to initialise eio library");
747	}	872	}
748
749	/*****************************************************************************/
750
751	#if !_POSIX_MAPPED_FILES
752	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
753	# define munmap(addr,length) EIO_ENOSYS ()
754	#endif
755
756	#if !_POSIX_MEMORY_PROTECTION
757	# define mprotect(addr,len,prot) EIO_ENOSYS ()
758	# define PROT_NONE 0
759	# define PROT_WRITE 0
760	# define MAP_PRIVATE 0
761	# define MAP_SHARED 0
762	# define MAP_FIXED 0
763	#endif
764
765	#define MMAP_MAGIC PERL_MAGIC_ext
766
767	static int ecb_cold
768	mmap_free (pTHX_ SV sv, MAGIC mg)
769	{
770	int old_errno = errno;
771	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
772	errno = old_errno;
773
774	mg->mg_obj = 0; /* just in case */
775
776	SvREADONLY_off (sv);
777
778	if (SvPVX (sv) != mg->mg_ptr)
779	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
780
781	SvCUR_set (sv, 0);
782	SvPVX (sv) = 0;
783	SvOK_off (sv);
784
785	return 0;
786	}
787
788	static MGVTBL mmap_vtbl = {
789	0, 0, 0, 0, mmap_free
790	};
791		873
792	/*****************************************************************************/	874	/*****************************************************************************/
793		875
794	static SV *	876	static SV *
795	get_cb (SV *cb_sv)	877	get_cb (SV *cb_sv)
…		…
907	} *civ, const_iv[] = {	989	} *civ, const_iv[] = {
908	# define const_niv(name, value) { # name, (IV) value },	990	# define const_niv(name, value) { # name, (IV) value },
909	# define const_iv(name) { # name, (IV) name },	991	# define const_iv(name) { # name, (IV) name },
910	# define const_eio(name) { # name, (IV) EIO_ ## name },	992	# define const_eio(name) { # name, (IV) EIO_ ## name },
911		993
912	/* you have to re-run ./gendef0 after adding/Removing any constants here */	994	/* you have to re-run ./gendef0 after adding/removing any constants here */
913		995	/* the first block can be undef if missing */
914	const_iv (ENOSYS)	996	const_iv (ENOSYS)
915	const_iv (EXDEV)	997	const_iv (EXDEV)
916	const_iv (EBADR)	998	const_iv (EBADR)
917		999
		1000	/* for lseek */
		1001	const_iv (SEEK_DATA)
		1002	const_iv (SEEK_HOLE)
		1003
		1004	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
		1005	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		1006	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
		1007	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		1008	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		1009	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		1010
		1011	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		1012	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		1013	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		1014	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		1015	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		1016
		1017	/* the second block will be 0 when missing */
918	const_iv (O_RDONLY)	1018	const_iv (O_RDONLY)
919	const_iv (O_WRONLY)	1019	const_iv (O_WRONLY)
920	const_iv (O_RDWR)	1020	const_iv (O_RDWR)
921	const_iv (O_CREAT)	1021	const_iv (O_CREAT)
922	const_iv (O_TRUNC)	1022	const_iv (O_TRUNC)
…		…
935	const_iv (O_SEARCH)	1035	const_iv (O_SEARCH)
936	const_iv (O_DIRECTORY)	1036	const_iv (O_DIRECTORY)
937	const_iv (O_DSYNC)	1037	const_iv (O_DSYNC)
938	const_iv (O_RSYNC)	1038	const_iv (O_RSYNC)
939	const_iv (O_SYNC)	1039	const_iv (O_SYNC)
		1040	const_iv (O_PATH)
		1041	const_iv (O_TMPFILE)
940	const_iv (O_TTY_INIT)	1042	const_iv (O_TTY_INIT)
941		1043
942	const_iv (S_IFIFO)	1044	const_iv (S_IFIFO)
943	const_iv (S_IFCHR)	1045	const_iv (S_IFCHR)
944	const_iv (S_IFBLK)	1046	const_iv (S_IFBLK)
…		…
946	const_iv (S_IFREG)	1048	const_iv (S_IFREG)
947	const_iv (S_IFDIR)	1049	const_iv (S_IFDIR)
948	const_iv (S_IFWHT)	1050	const_iv (S_IFWHT)
949	const_iv (S_IFSOCK)	1051	const_iv (S_IFSOCK)
950	const_iv (S_IFMT)	1052	const_iv (S_IFMT)
951
952	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
953	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
954	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
955	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
956	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
957	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
958
959	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
960	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
961	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
962	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
963	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
964		1053
965	const_iv (ST_RDONLY)	1054	const_iv (ST_RDONLY)
966	const_iv (ST_NOSUID)	1055	const_iv (ST_NOSUID)
967	const_iv (ST_NODEV)	1056	const_iv (ST_NODEV)
968	const_iv (ST_NOEXEC)	1057	const_iv (ST_NOEXEC)
…		…
978	const_iv (PROT_NONE)	1067	const_iv (PROT_NONE)
979	const_iv (PROT_EXEC)	1068	const_iv (PROT_EXEC)
980	const_iv (PROT_READ)	1069	const_iv (PROT_READ)
981	const_iv (PROT_WRITE)	1070	const_iv (PROT_WRITE)
982		1071
983	/const_iv (MAP_FIXED)/
984	const_iv (MAP_PRIVATE)	1072	const_iv (MAP_PRIVATE)
985	const_iv (MAP_SHARED)	1073	const_iv (MAP_SHARED)
		1074	const_iv (MAP_FIXED)
986	const_iv (MAP_ANONYMOUS)	1075	const_iv (MAP_ANONYMOUS)
987		1076
988	/* linuxish */	1077	/* linuxish */
989	const_iv (MAP_HUGETLB)
990	const_iv (MAP_LOCKED)	1078	const_iv (MAP_LOCKED)
991	const_iv (MAP_NORESERVE)	1079	const_iv (MAP_NORESERVE)
992	const_iv (MAP_POPULATE)	1080	const_iv (MAP_POPULATE)
993	const_iv (MAP_NONBLOCK)	1081	const_iv (MAP_NONBLOCK)
		1082	const_iv (MAP_GROWSDOWN)
		1083	const_iv (MAP_32BIT)
		1084	const_iv (MAP_HUGETLB)
		1085	const_iv (MAP_STACK)
		1086
		1087	const_iv (F_DUPFD_CLOEXEC)
		1088
		1089	const_iv (F_OFD_GETLK)
		1090	const_iv (F_OFD_SETLK)
		1091	const_iv (F_OFD_GETLKW)
		1092
		1093	const_iv (FIFREEZE)
		1094	const_iv (FITHAW)
		1095	const_iv (FITRIM)
		1096	const_iv (FICLONE)
		1097	const_iv (FICLONERANGE)
		1098	const_iv (FIDEDUPERANGE)
		1099
		1100	const_iv (FS_IOC_GETFLAGS)
		1101	const_iv (FS_IOC_SETFLAGS)
		1102	const_iv (FS_IOC_GETVERSION)
		1103	const_iv (FS_IOC_SETVERSION)
		1104	const_iv (FS_IOC_FIEMAP)
		1105	const_iv (FS_IOC_FSGETXATTR)
		1106	const_iv (FS_IOC_FSSETXATTR)
		1107	const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
		1108	const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
		1109	const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
		1110
		1111	const_iv (FS_KEY_DESCRIPTOR_SIZE)
		1112
		1113	const_iv (FS_SECRM_FL)
		1114	const_iv (FS_UNRM_FL)
		1115	const_iv (FS_COMPR_FL)
		1116	const_iv (FS_SYNC_FL)
		1117	const_iv (FS_IMMUTABLE_FL)
		1118	const_iv (FS_APPEND_FL)
		1119	const_iv (FS_NODUMP_FL)
		1120	const_iv (FS_NOATIME_FL)
		1121	const_iv (FS_DIRTY_FL)
		1122	const_iv (FS_COMPRBLK_FL)
		1123	const_iv (FS_NOCOMP_FL)
		1124	const_iv (FS_ENCRYPT_FL)
		1125	const_iv (FS_BTREE_FL)
		1126	const_iv (FS_INDEX_FL)
		1127	const_iv (FS_JOURNAL_DATA_FL)
		1128	const_iv (FS_NOTAIL_FL)
		1129	const_iv (FS_DIRSYNC_FL)
		1130	const_iv (FS_TOPDIR_FL)
		1131	const_iv (FS_FL_USER_MODIFIABLE)
		1132
		1133	const_iv (FS_XFLAG_REALTIME)
		1134	const_iv (FS_XFLAG_PREALLOC)
		1135	const_iv (FS_XFLAG_IMMUTABLE)
		1136	const_iv (FS_XFLAG_APPEND)
		1137	const_iv (FS_XFLAG_SYNC)
		1138	const_iv (FS_XFLAG_NOATIME)
		1139	const_iv (FS_XFLAG_NODUMP)
		1140	const_iv (FS_XFLAG_RTINHERIT)
		1141	const_iv (FS_XFLAG_PROJINHERIT)
		1142	const_iv (FS_XFLAG_NOSYMLINKS)
		1143	const_iv (FS_XFLAG_EXTSIZE)
		1144	const_iv (FS_XFLAG_EXTSZINHERIT)
		1145	const_iv (FS_XFLAG_NODEFRAG)
		1146	const_iv (FS_XFLAG_FILESTREAM)
		1147	const_iv (FS_XFLAG_DAX)
		1148	const_iv (FS_XFLAG_HASATTR)
994		1149
995	const_iv (FIEMAP_FLAG_SYNC)	1150	const_iv (FIEMAP_FLAG_SYNC)
996	const_iv (FIEMAP_FLAG_XATTR)	1151	const_iv (FIEMAP_FLAG_XATTR)
997	const_iv (FIEMAP_FLAGS_COMPAT)	1152	const_iv (FIEMAP_FLAGS_COMPAT)
998	const_iv (FIEMAP_EXTENT_LAST)	1153	const_iv (FIEMAP_EXTENT_LAST)
…		…
1010	const_iv (SPLICE_F_MOVE)	1165	const_iv (SPLICE_F_MOVE)
1011	const_iv (SPLICE_F_NONBLOCK)	1166	const_iv (SPLICE_F_NONBLOCK)
1012	const_iv (SPLICE_F_MORE)	1167	const_iv (SPLICE_F_MORE)
1013	const_iv (SPLICE_F_GIFT)	1168	const_iv (SPLICE_F_GIFT)
1014		1169
1015	const_iv (SEEK_DATA)	1170	const_iv (EFD_CLOEXEC)
		1171	const_iv (EFD_NONBLOCK)
1016	const_iv (SEEK_HOLE)	1172	const_iv (EFD_SEMAPHORE)
1017		1173
1018	/* libeio constants */	1174	/* these are libeio constants, and are independent of gendef0 */
1019	const_eio (SEEK_SET)	1175	const_eio (SEEK_SET)
1020	const_eio (SEEK_CUR)	1176	const_eio (SEEK_CUR)
1021	const_eio (SEEK_END)	1177	const_eio (SEEK_END)
1022		1178
1023	const_eio (MCL_FUTURE)	1179	const_eio (MCL_FUTURE)
…		…
1035		1191
1036	const_eio (FALLOC_FL_KEEP_SIZE)	1192	const_eio (FALLOC_FL_KEEP_SIZE)
1037	const_eio (FALLOC_FL_PUNCH_HOLE)	1193	const_eio (FALLOC_FL_PUNCH_HOLE)
1038	const_eio (FALLOC_FL_COLLAPSE_RANGE)	1194	const_eio (FALLOC_FL_COLLAPSE_RANGE)
1039	const_eio (FALLOC_FL_ZERO_RANGE)	1195	const_eio (FALLOC_FL_ZERO_RANGE)
		1196	const_eio (FALLOC_FL_INSERT_RANGE)
		1197	const_eio (FALLOC_FL_UNSHARE_RANGE)
		1198
		1199	const_eio (RENAME_NOREPLACE)
		1200	const_eio (RENAME_EXCHANGE)
		1201	const_eio (RENAME_WHITEOUT)
1040		1202
1041	const_eio (READDIR_DENTS)	1203	const_eio (READDIR_DENTS)
1042	const_eio (READDIR_DIRS_FIRST)	1204	const_eio (READDIR_DIRS_FIRST)
1043	const_eio (READDIR_STAT_ORDER)	1205	const_eio (READDIR_STAT_ORDER)
1044	const_eio (READDIR_FOUND_UNKNOWN)	1206	const_eio (READDIR_FOUND_UNKNOWN)
…		…
1295	REQ_SEND;	1457	REQ_SEND;
1296	}	1458	}
1297	}	1459	}
1298		1460
1299	void	1461	void
		1462	aio_ioctl (SV fh, unsigned long request, SV8 arg, SV *callback = &PL_sv_undef)
		1463	ALIAS:
		1464	aio_ioctl = EIO_IOCTL
		1465	aio_fcntl = EIO_FCNTL
		1466	PPCODE:
		1467	{
		1468	int fd = s_fileno_croak (fh, 0);
		1469	char *svptr;
		1470
		1471	if (SvPOK (arg) \|\| !SvNIOK (arg))
		1472	{
		1473	STRLEN svlen;
		1474	/* perl uses IOCPARM_LEN for fcntl, so we do, too */
		1475	#ifdef IOCPARM_LEN
		1476	STRLEN need = IOCPARM_LEN (request);
		1477	#else
		1478	STRLEN need = 256;
		1479	#endif
		1480
		1481	if (svlen < need)
		1482	svptr = SvGROW (arg, need);
		1483	}
		1484	else
		1485	svptr = (char *)SvIV (arg);
		1486
		1487	{
		1488	dREQ;
		1489
		1490	req->type = ix;
		1491	req->sv1 = newSVsv (fh);
		1492	req->int1 = fd;
		1493	req->int2 = (long)request;
		1494	req->sv2 = SvREFCNT_inc (arg);
		1495	req->ptr2 = svptr;
		1496
		1497	REQ_SEND;
		1498	}
		1499	}
		1500
		1501	void
1300	aio_readlink (SV8 pathname, SV callback = &PL_sv_undef)	1502	aio_readlink (SV8 pathname, SV callback = &PL_sv_undef)
1301	ALIAS:	1503	ALIAS:
1302	aio_readlink = EIO_READLINK	1504	aio_readlink = EIO_READLINK
1303	aio_realpath = EIO_REALPATH	1505	aio_realpath = EIO_REALPATH
1304	PPCODE:	1506	PPCODE:
…		…
1364	UV	1566	UV
1365	major (UV dev)	1567	major (UV dev)
1366	ALIAS:	1568	ALIAS:
1367	minor = 1	1569	minor = 1
1368	CODE:	1570	CODE:
1369	RETVAL = ix ? major (dev) : minor (dev);	1571	RETVAL = ix ? minor (dev) : major (dev);
1370	OUTPUT:	1572	OUTPUT:
1371	RETVAL	1573	RETVAL
1372		1574
1373	UV	1575	UV
1374	makedev (UV maj, UV min)	1576	makedev (UV maj, UV min)
…		…
1491		1693
1492	REQ_SEND;	1694	REQ_SEND;
1493	}	1695	}
1494		1696
1495	void	1697	void
		1698	aio_rename2 (SV8 oldpath, SV8 newpath, int flags = 0, SV *callback = &PL_sv_undef)
		1699	PPCODE:
		1700	{
		1701	eio_wd wd2 = 0;
		1702	dREQ;
		1703
		1704	req->type = EIO_RENAME;
		1705	req_set_path1 (req, oldpath);
		1706	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
		1707	req->int2 = flags;
		1708	req->int3 = (long)wd2;
		1709
		1710	REQ_SEND;
		1711	}
		1712
		1713	void
1496	aio_mknod (SV8 pathname, int mode, UV dev, SV callback = &PL_sv_undef)	1714	aio_mknod (SV8 pathname, int mode, UV dev, SV callback = &PL_sv_undef)
1497	PPCODE:	1715	PPCODE:
1498	{	1716	{
1499	dREQ;	1717	dREQ;
1500		1718
…		…
1505		1723
1506	REQ_SEND;	1724	REQ_SEND;
1507	}	1725	}
1508		1726
1509	void	1727	void
1510	aio_mtouch (SV8 data, IV offset = 0, SV length = &PL_sv_undef, int flags = 0, SV *callback = &PL_sv_undef)	1728	aio_mtouch (SV8 data, IV offset = 0, SV length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1511	ALIAS:	1729	ALIAS:
1512	aio_mtouch = EIO_MTOUCH	1730	aio_mtouch = EIO_MTOUCH
1513	aio_msync = EIO_MSYNC	1731	aio_msync = EIO_MSYNC
1514	PPCODE:	1732	PPCODE:
1515	{	1733	{
1516	STRLEN svlen;	1734	STRLEN svlen;
1517	char *svptr = SvPVbyte (data, svlen);	1735	char *svptr = SvPVbyte (data, svlen);
1518	UV len = SvUV (length);	1736	UV len = SvUV (length);
		1737
		1738	if (flags < 0)
		1739	flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1519		1740
1520	if (offset < 0)	1741	if (offset < 0)
1521	offset += svlen;	1742	offset += svlen;
1522		1743
1523	if (offset < 0 \|\| offset > svlen)	1744	if (offset < 0 \|\| offset > svlen)
…		…
1599	req->int2 = flags;	1820	req->int2 = flags;
1600	req->int3 = SvOK (count) ? SvIV (count) : -1;	1821	req->int3 = SvOK (count) ? SvIV (count) : -1;
1601	#endif	1822	#endif
1602		1823
1603	REQ_SEND;	1824	REQ_SEND;
		1825	}
		1826
		1827	void
		1828	aio_slurp (SV pathname, off_t offset, UV length, SV8 data, SV *callback = &PL_sv_undef)
		1829	PPCODE:
		1830	{
		1831	char *svptr = 0;
		1832
		1833	sv_clear_foreign (data);
		1834
		1835	if (length) /* known length, directly read into scalar */
		1836	{
		1837	if (!SvPOK (data) \|\| SvLEN (data) >= SvCUR (data))
		1838	svptr = sv_grow (data, length + 1);
		1839	else if (SvCUR (data) < length)
		1840	croak ("length outside of scalar, and cannot grow");
		1841	else
		1842	svptr = SvPVbyte_nolen (data);
		1843	}
		1844
		1845	{
		1846	dREQ;
		1847
		1848	req->type = EIO_SLURP;
		1849	req_set_path1 (req, pathname);
		1850	req->offs = offset;
		1851	req->size = length;
		1852	req->sv2 = SvREFCNT_inc (data);
		1853	req->ptr2 = svptr;
		1854
		1855	if (!SvREADONLY (data))
		1856	{
		1857	SvREADONLY_on (data);
		1858	req->flags \|= FLAG_SV2_RO_OFF;
		1859	}
		1860
		1861	REQ_SEND;
		1862	}
1604	}	1863	}
1605		1864
1606	void	1865	void
1607	aio_busy (double delay, SV *callback = &PL_sv_undef)	1866	aio_busy (double delay, SV *callback = &PL_sv_undef)
1608	PPCODE:	1867	PPCODE:
…		…
1745	RETVAL	2004	RETVAL
1746		2005
1747	void	2006	void
1748	mmap (SV scalar, STRLEN length, int prot, int flags, SV fh = &PL_sv_undef, off_t offset = 0)	2007	mmap (SV scalar, STRLEN length, int prot, int flags, SV fh = &PL_sv_undef, off_t offset = 0)
1749	PPCODE:	2008	PPCODE:
1750	sv_unmagic (scalar, MMAP_MAGIC);	2009	sv_clear_foreign (scalar);
1751	{	2010	{
1752	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	2011	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1753	void addr = (void )mmap (0, length, prot, flags, fd, offset);	2012	void addr = (void )mmap (0, length, prot, flags, fd, offset);
1754	if (addr == (void *)-1)	2013	if (addr == (void *)-1)
1755	XSRETURN_NO;	2014	XSRETURN_NO;
1756		2015
1757	sv_force_normal (scalar);	2016	sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1758
1759	/* we store the length in mg_obj, as namlen is I32 :/ */
1760	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1761	->mg_obj = (SV *)length;
1762
1763	SvUPGRADE (scalar, SVt_PV); /* nop... */
1764		2017
1765	if (!(prot & PROT_WRITE))	2018	if (!(prot & PROT_WRITE))
1766	SvREADONLY_on (scalar);	2019	SvREADONLY_on (scalar);
1767		2020
1768	if (SvLEN (scalar))
1769	Safefree (SvPVX (scalar));
1770
1771	SvPVX (scalar) = (char *)addr;
1772	SvCUR_set (scalar, length);
1773	SvLEN_set (scalar, 0);
1774	SvPOK_only (scalar);
1775
1776	XSRETURN_YES;	2021	XSRETURN_YES;
1777	}	2022	}
1778		2023
1779	void	2024	void
1780	munmap (SV *scalar)	2025	munmap (SV *scalar)
1781	CODE:	2026	CODE:
1782	sv_unmagic (scalar, MMAP_MAGIC);	2027	sv_clear_foreign (scalar);
1783		2028
1784	int	2029	int
1785	madvise (SV scalar, STRLEN offset = 0, SV length = &PL_sv_undef, IV advice_or_prot)	2030	madvise (SV scalar, STRLEN offset = 0, SV length = &PL_sv_undef, IV advice_or_prot)
1786	ALIAS:	2031	ALIAS:
1787	mprotect = 1	2032	mprotect = 1
…		…
1893	errno = ENOSYS;	2138	errno = ENOSYS;
1894	RETVAL = -1;	2139	RETVAL = -1;
1895	#endif	2140	#endif
1896	OUTPUT:	2141	OUTPUT:
1897	RETVAL	2142	RETVAL
		2143
		2144	void
		2145	pipe2 (int flags = 0)
		2146	PROTOTYPE: ;$
		2147	PPCODE:
		2148	{
		2149	int fd[2];
		2150	int res;
		2151
		2152	if (flags)
		2153	#if HAVE_PIPE2
		2154	res = pipe2 (fd, flags);
		2155	#else
		2156	res = (errno = ENOSYS, -1);
		2157	#endif
		2158	else
		2159	res = pipe (fd);
		2160
		2161	if (!res)
		2162	{
		2163	EXTEND (SP, 2);
		2164	PUSHs (newmortalFH (fd[0], O_RDONLY));
		2165	PUSHs (newmortalFH (fd[1], O_WRONLY));
		2166	}
		2167	}
		2168
		2169	void
		2170	eventfd (unsigned int initval = 0, int flags = 0)
		2171	PPCODE:
		2172	{
		2173	int fd;
		2174	#if HAVE_EVENTFD
		2175	fd = eventfd (initval, flags);
		2176	#else
		2177	fd = (errno = ENOSYS, -1);
		2178	#endif
		2179
		2180	XPUSHs (newmortalFH (fd, O_RDWR));
		2181	}
		2182
		2183	UV
		2184	get_fdlimit ()
		2185	CODE:
		2186	#if HAVE_RLIMITS
		2187	struct rlimit rl;
		2188	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2189	XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
		2190	#endif
		2191	XSRETURN_UNDEF;
		2192	OUTPUT:
		2193	RETVAL
		2194
		2195	void
		2196	min_fdlimit (UV limit = 0x7fffffffU)
		2197	CODE:
		2198	{
		2199	#if HAVE_RLIMITS
		2200	struct rlimit rl;
		2201	rlim_t orig_rlim_max;
		2202	UV bit;
		2203
		2204	if (0 != getrlimit (RLIMIT_NOFILE, &rl))
		2205	goto fail;
		2206
		2207	if (rl.rlim_cur == RLIM_INFINITY)
		2208	XSRETURN_YES;
		2209
		2210	orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
		2211
		2212	if (rl.rlim_cur < limit)
		2213	{
		2214	rl.rlim_cur = limit;
		2215
		2216	if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
		2217	rl.rlim_max = rl.rlim_cur;
		2218	}
		2219
		2220	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2221	XSRETURN_YES;
		2222
		2223	if (errno == EPERM)
		2224	{
		2225	/* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
		2226	/* our limit overflows a system-wide limit */
		2227	/* try an adaptive algorithm, but do not lower the hardlimit */
		2228	rl.rlim_max = 0;
		2229	for (bit = 0x40000000U; bit; bit >>= 1)
		2230	{
		2231	rl.rlim_max \|= bit;
		2232	rl.rlim_cur = rl.rlim_max;
		2233
		2234	/* nevr decrease the hard limit */
		2235	if (rl.rlim_max < orig_rlim_max)
		2236	break;
		2237
		2238	if (0 != setrlimit (RLIMIT_NOFILE, &rl))
		2239	rl.rlim_max &= ~bit; /* too high, remove bit again */
		2240	}
		2241
		2242	/* now, raise the soft limit to the max permitted */
		2243	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2244	{
		2245	rl.rlim_cur = rl.rlim_max;
		2246	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2247	errno = EPERM;
		2248	}
		2249	}
		2250	#endif
		2251	fail:
		2252	XSRETURN_UNDEF;
		2253	}
1898		2254
1899	void _on_next_submit (SV *cb)	2255	void _on_next_submit (SV *cb)
1900	CODE:	2256	CODE:
1901	SvREFCNT_dec (on_next_submit);	2257	SvREFCNT_dec (on_next_submit);
1902	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	2258	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;

Diff Legend

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+Removed lines
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+Changed lines
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Comparing IO-AIO/AIO.xs (file contents): Revision 1.232 by root, Sat Jun 13 00:06:13 2015 UTC vs. Revision 1.253 by root, Tue Feb 20 04:32:59 2018 UTC

Diff Legend

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.232 by root, Sat Jun 13 00:06:13 2015 UTC vs.
Revision 1.253 by root, Tue Feb 20 04:32:59 2018 UTC