[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 1.260 by root, Tue Jul 24 04:58:59 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>
…		…
21	# include <sys/mman.h>	23	# include <sys/mman.h>
22	#endif	24	#endif
23		25
24	/* the incompetent fool that created musl keeps __linux__, refuses	26	/* the incompetent fool that created musl keeps __linux__, refuses
25	* to implement any linux standard apis, and also has no way to test	27	* 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.	28	* for his broken iplementation. don't complain to me if this fails
		29	* for you.
27	*/	30	*/
28	#if __linux__ && (defined __GLIBC__ \|\| defined __UCLIBC__)	31	#if __linux__ && (defined __GLIBC__ \|\| defined __UCLIBC__)
29	# include <linux/fs.h>	32	# include <linux/fs.h>
30	# ifdef FS_IOC_FIEMAP	33	# ifdef FS_IOC_FIEMAP
31	# include <linux/types.h>	34	# include <linux/types.h>
…		…
103	#define expect_false(expr) expect ((expr) != 0, 0)	106	#define expect_false(expr) expect ((expr) != 0, 0)
104	#define expect_true(expr) expect ((expr) != 0, 1)	107	#define expect_true(expr) expect ((expr) != 0, 1)
105		108
106	/*****************************************************************************/	109	/*****************************************************************************/
107		110
		111	#include "libeio/config.h"
		112
		113	#include "schmorp.h"
		114
		115	#if HAVE_EVENTFD
		116	# include <sys/eventfd.h>
		117	#endif
		118
		119	#if HAVE_TIMERFD
		120	# include <sys/timerfd.h>
		121	#endif
		122
		123	#if HAVE_RLIMITS
		124	#include <sys/time.h>
		125	#include <sys/resource.h>
		126	#endif
		127
108	typedef SV SV8; /* byte-sv, used for argument-checking */	128	typedef SV SV8; /* byte-sv, used for argument-checking */
109	typedef int aio_rfd; /* read file desriptor */	129	typedef int aio_rfd; /* read file desriptor */
110	typedef int aio_wfd; /* write file descriptor */	130	typedef int aio_wfd; /* write file descriptor */
111		131
112	static HV aio_stash, aio_req_stash, aio_grp_stash, aio_wd_stash;	132	static HV aio_stash, aio_req_stash, aio_grp_stash, aio_wd_stash;
…		…
118	STRLEN stroffset; \	138	STRLEN stroffset; \
119	SV *self;	139	SV *self;
120		140
121	#define EIO_NO_WRAPPERS 1	141	#define EIO_NO_WRAPPERS 1
122		142
123	#include "libeio/config.h"
124	#include "libeio/eio.h"	143	#include "libeio/eio.h"
125		144
126	static int req_invoke (eio_req *req);	145	static int req_invoke (eio_req *req);
127	#define EIO_FINISH(req) req_invoke (req)	146	#define EIO_FINISH(req) req_invoke (req)
128	static void req_destroy (eio_req *grp);	147	static void req_destroy (eio_req *grp);
…		…
144	# else	163	# else
145	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	164	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
146	# endif	165	# endif
147	#endif	166	#endif
148		167
149	/* defines all sorts of constants to 0 unless they are already defined */
150	#include "def0.h"
151
152	#ifndef makedev	168	#ifndef makedev
153	# define makedev(maj,min) (((maj) << 8) \| (min))	169	# define makedev(maj,min) (((maj) << 8) \| (min))
154	#endif	170	#endif
155	#ifndef major	171	#ifndef major
156	# define major(dev) ((dev) >> 8)	172	# define major(dev) ((dev) >> 8)
…		…
160	#endif	176	#endif
161		177
162	#if PAGESIZE <= 0	178	#if PAGESIZE <= 0
163	# define PAGESIZE sysconf (_SC_PAGESIZE)	179	# define PAGESIZE sysconf (_SC_PAGESIZE)
164	#endif	180	#endif
		181
		182	/*****************************************************************************/
		183
		184	#if !_POSIX_MAPPED_FILES
		185	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
		186	# define munmap(addr,length) EIO_ENOSYS ()
		187	#endif
		188
		189	#if !_POSIX_MEMORY_PROTECTION
		190	# define mprotect(addr,len,prot) EIO_ENOSYS ()
		191	#endif
		192
		193	#if !MREMAP_MAYMOVE
		194	# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
		195	#endif
		196
		197	#define FOREIGN_MAGIC PERL_MAGIC_ext
		198
		199	static int ecb_cold
		200	mmap_free (pTHX_ SV sv, MAGIC mg)
		201	{
		202	int old_errno = errno;
		203	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		204	errno = old_errno;
		205
		206	mg->mg_obj = 0; /* just in case */
		207
		208	SvREADONLY_off (sv);
		209
		210	if (SvPVX (sv) != mg->mg_ptr)
		211	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		212
		213	SvCUR_set (sv, 0);
		214	SvPVX (sv) = 0;
		215	SvOK_off (sv);
		216
		217	return 0;
		218	}
		219
		220	static MGVTBL mmap_vtbl = {
		221	0, 0, 0, 0, mmap_free
		222	};
		223
		224	static int ecb_cold
		225	sysfree_free (pTHX_ SV sv, MAGIC mg)
		226	{
		227	free (mg->mg_ptr);
		228	mg->mg_obj = 0; /* just in case */
		229
		230	SvREADONLY_off (sv);
		231
		232	if (SvPVX (sv) != mg->mg_ptr)
		233	croak ("ERROR: IO::AIO mapped scalar changed location, detected");
		234
		235	SvCUR_set (sv, 0);
		236	SvPVX (sv) = 0;
		237	SvOK_off (sv);
		238
		239	return 0;
		240	}
		241
		242	static MGVTBL sysfree_vtbl = {
		243	0, 0, 0, 0, sysfree_free
		244	};
		245
		246	/*****************************************************************************/
		247
		248	/* helper: set scalar to foreign ptr with custom free */
		249	static void
		250	sv_set_foreign (SV sv, const MGVTBL const vtbl, void *addr, IV length)
		251	{
		252	sv_force_normal (sv);
		253
		254	/* we store the length in mg_obj, as namlen is I32 :/ */
		255	sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
		256	->mg_obj = (SV *)length;
		257
		258	SvUPGRADE (sv, SVt_PV); /* nop... */
		259
		260	if (SvLEN (sv))
		261	Safefree (SvPVX (sv));
		262
		263	SvPVX (sv) = (char *)addr;
		264	SvCUR_set (sv, length);
		265	SvLEN_set (sv, 0);
		266	SvPOK_only (sv);
		267	}
		268
		269	static void
		270	sv_clear_foreign (SV *sv)
		271	{
		272	/* todo: iterate over magic and only free ours, but of course */
		273	/* the perl5porters will call that (correct) behaviour buggy */
		274	sv_unmagic (sv, FOREIGN_MAGIC);
		275	}
		276
		277	/*****************************************************************************/
		278
		279	/* defines all sorts of constants to 0 unless they are already defined */
		280	/* also provides const_iv_ and const_niv_ macros for them */
		281	#include "def0.h"
165		282
166	/*****************************************************************************/	283	/*****************************************************************************/
167		284
168	static void	285	static void
169	fiemap (eio_req *req)	286	fiemap (eio_req *req)
…		…
337	\|\| SvTYPE (SvRV (sv)) != SVt_PVMG	454	\|\| SvTYPE (SvRV (sv)) != SVt_PVMG
338	\|\| SvSTASH (SvRV (sv)) != aio_wd_stash)	455	\|\| SvSTASH (SvRV (sv)) != aio_wd_stash)
339	croak ("IO::AIO: expected a working directory object as returned by aio_wd");	456	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
340		457
341	return (aio_wd)(long)SvIVX (SvRV (sv));	458	return (aio_wd)(long)SvIVX (SvRV (sv));
		459	}
		460
		461	static SV *
		462	newmortalFH (int fd, int flags)
		463	{
		464	if (fd < 0)
		465	return &PL_sv_undef;
		466
		467	GV gv = (GV )sv_newmortal ();
		468	char sym[64];
		469	int symlen;
		470
		471	symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
		472	gv_init (gv, aio_stash, sym, symlen, 0);
		473
		474	symlen = snprintf (
		475	sym,
		476	sizeof (sym),
		477	"%s&=%d",
		478	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
		479	fd
		480	);
		481
		482	return do_open (gv, sym, symlen, 0, 0, 0, 0)
		483	? (SV *)gv : &PL_sv_undef;
342	}	484	}
343		485
344	static void	486	static void
345	aio_grp_feed (aio_req grp)	487	aio_grp_feed (aio_req grp)
346	{	488	{
…		…
474	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 \| EIO_READDIR_CUSTOM2))));	616	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 \| EIO_READDIR_CUSTOM2))));
475	}	617	}
476	break;	618	break;
477		619
478	case EIO_OPEN:	620	case EIO_OPEN:
479	{	621	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;	622	break;
508		623
509	case EIO_STATVFS:	624	case EIO_STATVFS:
510	case EIO_FSTATVFS:	625	case EIO_FSTATVFS:
511	{	626	{
…		…
591	SvSETMAGIC (req->sv2);	706	SvSETMAGIC (req->sv2);
592	PUSHs (sv_result);	707	PUSHs (sv_result);
593	}	708	}
594	break;	709	break;
595		710
		711	case EIO_SLURP:
		712	{
		713	if (req->result >= 0)
		714	{
		715	/* if length was originally not known, we steal the malloc'ed memory */
		716	if (req->flags & EIO_FLAG_PTR2_FREE)
		717	{
		718	req->flags &= ~EIO_FLAG_PTR2_FREE;
		719	sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
		720	}
		721	else
		722	{
		723	SvCUR_set (req->sv2, req->result);
		724	*SvEND (req->sv2) = 0;
		725	SvPOK_only (req->sv2);
		726	}
		727
		728	SvSETMAGIC (req->sv2);
		729	}
		730
		731	PUSHs (sv_result);
		732	}
		733	break;
		734
596	case EIO_CUSTOM:	735	case EIO_CUSTOM:
597	if (req->feed == fiemap)	736	if (req->feed == fiemap)
598	{	737	{
599	#if HAVE_FIEMAP	738	#if HAVE_FIEMAP
600	if (!req->result)	739	if (!req->result)
…		…
705	{	844	{
706	while (eio_nreqs ())	845	while (eio_nreqs ())
707	{	846	{
708	int size;	847	int size;
709		848
710	X_LOCK (reslock);	849	X_LOCK (EIO_POOL->reslock);
711	size = res_queue.size;	850	size = EIO_POOL->res_queue.size;
712	X_UNLOCK (reslock);	851	X_UNLOCK (EIO_POOL->reslock);
713		852
714	if (size)	853	if (size)
715	return;	854	return;
716		855
717	etp_maybe_start_thread ();	856	etp_maybe_start_thread (EIO_POOL);
718		857
719	s_epipe_wait (&respipe);	858	s_epipe_wait (&respipe);
720	}	859	}
721	}	860	}
722		861
…		…
743	create_respipe ();	882	create_respipe ();
744		883
745	if (eio_init (want_poll, done_poll) < 0)	884	if (eio_init (want_poll, done_poll) < 0)
746	croak ("IO::AIO: unable to initialise eio library");	885	croak ("IO::AIO: unable to initialise eio library");
747	}	886	}
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		887
792	/*****************************************************************************/	888	/*****************************************************************************/
793		889
794	static SV *	890	static SV *
795	get_cb (SV *cb_sv)	891	get_cb (SV *cb_sv)
…		…
891	req_set_path1 (req, fh_or_path);	987	req_set_path1 (req, fh_or_path);
892	break;	988	break;
893	}	989	}
894	}	990	}
895		991
		992	/*****************************************************************************/
		993
		994	static void
		995	ts_set (struct timespec *ts, NV value)
		996	{
		997	ts->tv_sec = value;
		998	ts->tv_nsec = (value - ts->tv_sec) * 1e9;
		999	}
		1000
		1001	static NV
		1002	ts_get (const struct timespec *ts)
		1003	{
		1004	return ts->tv_sec + ts->tv_nsec * 1e-9;
		1005	}
		1006
		1007	/*****************************************************************************/
		1008
896	XS(boot_IO__AIO) ecb_cold;	1009	XS(boot_IO__AIO) ecb_cold;
897		1010
898	MODULE = IO::AIO PACKAGE = IO::AIO	1011	MODULE = IO::AIO PACKAGE = IO::AIO
899		1012
900	PROTOTYPES: ENABLE	1013	PROTOTYPES: ENABLE
…		…
907	} *civ, const_iv[] = {	1020	} *civ, const_iv[] = {
908	# define const_niv(name, value) { # name, (IV) value },	1021	# define const_niv(name, value) { # name, (IV) value },
909	# define const_iv(name) { # name, (IV) name },	1022	# define const_iv(name) { # name, (IV) name },
910	# define const_eio(name) { # name, (IV) EIO_ ## name },	1023	# define const_eio(name) { # name, (IV) EIO_ ## name },
911		1024
912	/* you have to re-run ./gendef0 after adding/Removing any constants here */	1025	/* you have to re-run ./gendef0 after adding/removing any constants here */
913		1026	/* the first block can be undef if missing */
914	const_iv (ENOSYS)	1027	const_iv (ENOSYS)
915	const_iv (EXDEV)	1028	const_iv (EXDEV)
916	const_iv (EBADR)	1029	const_iv (EBADR)
		1030
		1031	/* for lseek */
		1032	const_iv (SEEK_DATA)
		1033	const_iv (SEEK_HOLE)
		1034
		1035	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
		1036	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		1037	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
		1038	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		1039	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		1040	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		1041
		1042	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		1043	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		1044	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		1045	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		1046	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		1047
		1048	/* the second block will be 0 when missing */
		1049	const_iv (O_ACCMODE)
917		1050
918	const_iv (O_RDONLY)	1051	const_iv (O_RDONLY)
919	const_iv (O_WRONLY)	1052	const_iv (O_WRONLY)
920	const_iv (O_RDWR)	1053	const_iv (O_RDWR)
921	const_iv (O_CREAT)	1054	const_iv (O_CREAT)
…		…
935	const_iv (O_SEARCH)	1068	const_iv (O_SEARCH)
936	const_iv (O_DIRECTORY)	1069	const_iv (O_DIRECTORY)
937	const_iv (O_DSYNC)	1070	const_iv (O_DSYNC)
938	const_iv (O_RSYNC)	1071	const_iv (O_RSYNC)
939	const_iv (O_SYNC)	1072	const_iv (O_SYNC)
		1073	const_iv (O_PATH)
		1074	const_iv (O_TMPFILE)
940	const_iv (O_TTY_INIT)	1075	const_iv (O_TTY_INIT)
941		1076
942	const_iv (S_IFIFO)	1077	const_iv (S_IFIFO)
943	const_iv (S_IFCHR)	1078	const_iv (S_IFCHR)
944	const_iv (S_IFBLK)	1079	const_iv (S_IFBLK)
…		…
946	const_iv (S_IFREG)	1081	const_iv (S_IFREG)
947	const_iv (S_IFDIR)	1082	const_iv (S_IFDIR)
948	const_iv (S_IFWHT)	1083	const_iv (S_IFWHT)
949	const_iv (S_IFSOCK)	1084	const_iv (S_IFSOCK)
950	const_iv (S_IFMT)	1085	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		1086
965	const_iv (ST_RDONLY)	1087	const_iv (ST_RDONLY)
966	const_iv (ST_NOSUID)	1088	const_iv (ST_NOSUID)
967	const_iv (ST_NODEV)	1089	const_iv (ST_NODEV)
968	const_iv (ST_NOEXEC)	1090	const_iv (ST_NOEXEC)
…		…
978	const_iv (PROT_NONE)	1100	const_iv (PROT_NONE)
979	const_iv (PROT_EXEC)	1101	const_iv (PROT_EXEC)
980	const_iv (PROT_READ)	1102	const_iv (PROT_READ)
981	const_iv (PROT_WRITE)	1103	const_iv (PROT_WRITE)
982		1104
983	/const_iv (MAP_FIXED)/
984	const_iv (MAP_PRIVATE)	1105	const_iv (MAP_PRIVATE)
985	const_iv (MAP_SHARED)	1106	const_iv (MAP_SHARED)
		1107	const_iv (MAP_FIXED)
986	const_iv (MAP_ANONYMOUS)	1108	const_iv (MAP_ANONYMOUS)
987		1109
988	/* linuxish */	1110	/* linuxish */
989	const_iv (MAP_HUGETLB)
990	const_iv (MAP_LOCKED)	1111	const_iv (MAP_LOCKED)
991	const_iv (MAP_NORESERVE)	1112	const_iv (MAP_NORESERVE)
992	const_iv (MAP_POPULATE)	1113	const_iv (MAP_POPULATE)
993	const_iv (MAP_NONBLOCK)	1114	const_iv (MAP_NONBLOCK)
		1115	const_iv (MAP_GROWSDOWN)
		1116	const_iv (MAP_32BIT)
		1117	const_iv (MAP_HUGETLB)
		1118	const_iv (MAP_STACK)
		1119
		1120	const_iv (MREMAP_MAYMOVE)
		1121	const_iv (MREMAP_FIXED)
		1122
		1123	const_iv (F_DUPFD_CLOEXEC)
		1124
		1125	const_iv (F_OFD_GETLK)
		1126	const_iv (F_OFD_SETLK)
		1127	const_iv (F_OFD_GETLKW)
		1128
		1129	const_iv (FIFREEZE)
		1130	const_iv (FITHAW)
		1131	const_iv (FITRIM)
		1132	const_iv (FICLONE)
		1133	const_iv (FICLONERANGE)
		1134	const_iv (FIDEDUPERANGE)
		1135
		1136	const_iv (FS_IOC_GETFLAGS)
		1137	const_iv (FS_IOC_SETFLAGS)
		1138	const_iv (FS_IOC_GETVERSION)
		1139	const_iv (FS_IOC_SETVERSION)
		1140	const_iv (FS_IOC_FIEMAP)
		1141	const_iv (FS_IOC_FSGETXATTR)
		1142	const_iv (FS_IOC_FSSETXATTR)
		1143	const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
		1144	const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
		1145	const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
		1146
		1147	const_iv (FS_KEY_DESCRIPTOR_SIZE)
		1148
		1149	const_iv (FS_SECRM_FL)
		1150	const_iv (FS_UNRM_FL)
		1151	const_iv (FS_COMPR_FL)
		1152	const_iv (FS_SYNC_FL)
		1153	const_iv (FS_IMMUTABLE_FL)
		1154	const_iv (FS_APPEND_FL)
		1155	const_iv (FS_NODUMP_FL)
		1156	const_iv (FS_NOATIME_FL)
		1157	const_iv (FS_DIRTY_FL)
		1158	const_iv (FS_COMPRBLK_FL)
		1159	const_iv (FS_NOCOMP_FL)
		1160	const_iv (FS_ENCRYPT_FL)
		1161	const_iv (FS_BTREE_FL)
		1162	const_iv (FS_INDEX_FL)
		1163	const_iv (FS_JOURNAL_DATA_FL)
		1164	const_iv (FS_NOTAIL_FL)
		1165	const_iv (FS_DIRSYNC_FL)
		1166	const_iv (FS_TOPDIR_FL)
		1167	const_iv (FS_FL_USER_MODIFIABLE)
		1168
		1169	const_iv (FS_XFLAG_REALTIME)
		1170	const_iv (FS_XFLAG_PREALLOC)
		1171	const_iv (FS_XFLAG_IMMUTABLE)
		1172	const_iv (FS_XFLAG_APPEND)
		1173	const_iv (FS_XFLAG_SYNC)
		1174	const_iv (FS_XFLAG_NOATIME)
		1175	const_iv (FS_XFLAG_NODUMP)
		1176	const_iv (FS_XFLAG_RTINHERIT)
		1177	const_iv (FS_XFLAG_PROJINHERIT)
		1178	const_iv (FS_XFLAG_NOSYMLINKS)
		1179	const_iv (FS_XFLAG_EXTSIZE)
		1180	const_iv (FS_XFLAG_EXTSZINHERIT)
		1181	const_iv (FS_XFLAG_NODEFRAG)
		1182	const_iv (FS_XFLAG_FILESTREAM)
		1183	const_iv (FS_XFLAG_DAX)
		1184	const_iv (FS_XFLAG_HASATTR)
994		1185
995	const_iv (FIEMAP_FLAG_SYNC)	1186	const_iv (FIEMAP_FLAG_SYNC)
996	const_iv (FIEMAP_FLAG_XATTR)	1187	const_iv (FIEMAP_FLAG_XATTR)
997	const_iv (FIEMAP_FLAGS_COMPAT)	1188	const_iv (FIEMAP_FLAGS_COMPAT)
998	const_iv (FIEMAP_EXTENT_LAST)	1189	const_iv (FIEMAP_EXTENT_LAST)
…		…
1010	const_iv (SPLICE_F_MOVE)	1201	const_iv (SPLICE_F_MOVE)
1011	const_iv (SPLICE_F_NONBLOCK)	1202	const_iv (SPLICE_F_NONBLOCK)
1012	const_iv (SPLICE_F_MORE)	1203	const_iv (SPLICE_F_MORE)
1013	const_iv (SPLICE_F_GIFT)	1204	const_iv (SPLICE_F_GIFT)
1014		1205
1015	const_iv (SEEK_DATA)	1206	const_iv (EFD_CLOEXEC)
		1207	const_iv (EFD_NONBLOCK)
1016	const_iv (SEEK_HOLE)	1208	const_iv (EFD_SEMAPHORE)
1017		1209
1018	/* libeio constants */	1210	const_iv (CLOCK_REALTIME)
		1211	const_iv (CLOCK_MONOTONIC)
		1212	const_iv (CLOCK_BOOTTIME)
		1213	const_iv (CLOCK_REALTIME_ALARM)
		1214	const_iv (CLOCK_BOOTTIME_ALARM)
		1215
		1216	const_iv (TFD_NONBLOCK)
		1217	const_iv (TFD_CLOEXEC)
		1218
		1219	const_iv (TFD_TIMER_ABSTIME)
		1220	const_iv (TFD_TIMER_CANCEL_ON_SET)
		1221
		1222	/* these are libeio constants, and are independent of gendef0 */
1019	const_eio (SEEK_SET)	1223	const_eio (SEEK_SET)
1020	const_eio (SEEK_CUR)	1224	const_eio (SEEK_CUR)
1021	const_eio (SEEK_END)	1225	const_eio (SEEK_END)
1022		1226
1023	const_eio (MCL_FUTURE)	1227	const_eio (MCL_FUTURE)
…		…
1035		1239
1036	const_eio (FALLOC_FL_KEEP_SIZE)	1240	const_eio (FALLOC_FL_KEEP_SIZE)
1037	const_eio (FALLOC_FL_PUNCH_HOLE)	1241	const_eio (FALLOC_FL_PUNCH_HOLE)
1038	const_eio (FALLOC_FL_COLLAPSE_RANGE)	1242	const_eio (FALLOC_FL_COLLAPSE_RANGE)
1039	const_eio (FALLOC_FL_ZERO_RANGE)	1243	const_eio (FALLOC_FL_ZERO_RANGE)
		1244	const_eio (FALLOC_FL_INSERT_RANGE)
		1245	const_eio (FALLOC_FL_UNSHARE_RANGE)
		1246
		1247	const_eio (RENAME_NOREPLACE)
		1248	const_eio (RENAME_EXCHANGE)
		1249	const_eio (RENAME_WHITEOUT)
1040		1250
1041	const_eio (READDIR_DENTS)	1251	const_eio (READDIR_DENTS)
1042	const_eio (READDIR_DIRS_FIRST)	1252	const_eio (READDIR_DIRS_FIRST)
1043	const_eio (READDIR_STAT_ORDER)	1253	const_eio (READDIR_STAT_ORDER)
1044	const_eio (READDIR_FOUND_UNKNOWN)	1254	const_eio (READDIR_FOUND_UNKNOWN)
…		…
1295	REQ_SEND;	1505	REQ_SEND;
1296	}	1506	}
1297	}	1507	}
1298		1508
1299	void	1509	void
		1510	aio_ioctl (SV fh, unsigned long request, SV8 arg, SV *callback = &PL_sv_undef)
		1511	ALIAS:
		1512	aio_ioctl = EIO_IOCTL
		1513	aio_fcntl = EIO_FCNTL
		1514	PPCODE:
		1515	{
		1516	int fd = s_fileno_croak (fh, 0);
		1517	char *svptr;
		1518
		1519	if (SvPOK (arg) \|\| !SvNIOK (arg))
		1520	{
		1521	STRLEN svlen;
		1522	/* perl uses IOCPARM_LEN for fcntl, so we do, too */
		1523	#ifdef IOCPARM_LEN
		1524	STRLEN need = IOCPARM_LEN (request);
		1525	#else
		1526	STRLEN need = 256;
		1527	#endif
		1528
		1529	if (svlen < need)
		1530	svptr = SvGROW (arg, need);
		1531	}
		1532	else
		1533	svptr = (char *)SvIV (arg);
		1534
		1535	{
		1536	dREQ;
		1537
		1538	req->type = ix;
		1539	req->sv1 = newSVsv (fh);
		1540	req->int1 = fd;
		1541	req->int2 = (long)request;
		1542	req->sv2 = SvREFCNT_inc (arg);
		1543	req->ptr2 = svptr;
		1544
		1545	REQ_SEND;
		1546	}
		1547	}
		1548
		1549	void
1300	aio_readlink (SV8 pathname, SV callback = &PL_sv_undef)	1550	aio_readlink (SV8 pathname, SV callback = &PL_sv_undef)
1301	ALIAS:	1551	ALIAS:
1302	aio_readlink = EIO_READLINK	1552	aio_readlink = EIO_READLINK
1303	aio_realpath = EIO_REALPATH	1553	aio_realpath = EIO_REALPATH
1304	PPCODE:	1554	PPCODE:
…		…
1364	UV	1614	UV
1365	major (UV dev)	1615	major (UV dev)
1366	ALIAS:	1616	ALIAS:
1367	minor = 1	1617	minor = 1
1368	CODE:	1618	CODE:
1369	RETVAL = ix ? major (dev) : minor (dev);	1619	RETVAL = ix ? minor (dev) : major (dev);
1370	OUTPUT:	1620	OUTPUT:
1371	RETVAL	1621	RETVAL
1372		1622
1373	UV	1623	UV
1374	makedev (UV maj, UV min)	1624	makedev (UV maj, UV min)
…		…
1491		1741
1492	REQ_SEND;	1742	REQ_SEND;
1493	}	1743	}
1494		1744
1495	void	1745	void
		1746	aio_rename2 (SV8 oldpath, SV8 newpath, int flags = 0, SV *callback = &PL_sv_undef)
		1747	PPCODE:
		1748	{
		1749	eio_wd wd2 = 0;
		1750	dREQ;
		1751
		1752	req->type = EIO_RENAME;
		1753	req_set_path1 (req, oldpath);
		1754	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
		1755	req->int2 = flags;
		1756	req->int3 = (long)wd2;
		1757
		1758	REQ_SEND;
		1759	}
		1760
		1761	void
1496	aio_mknod (SV8 pathname, int mode, UV dev, SV callback = &PL_sv_undef)	1762	aio_mknod (SV8 pathname, int mode, UV dev, SV callback = &PL_sv_undef)
1497	PPCODE:	1763	PPCODE:
1498	{	1764	{
1499	dREQ;	1765	dREQ;
1500		1766
…		…
1505		1771
1506	REQ_SEND;	1772	REQ_SEND;
1507	}	1773	}
1508		1774
1509	void	1775	void
1510	aio_mtouch (SV8 data, IV offset = 0, SV length = &PL_sv_undef, int flags = 0, SV *callback = &PL_sv_undef)	1776	aio_mtouch (SV8 data, IV offset = 0, SV length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1511	ALIAS:	1777	ALIAS:
1512	aio_mtouch = EIO_MTOUCH	1778	aio_mtouch = EIO_MTOUCH
1513	aio_msync = EIO_MSYNC	1779	aio_msync = EIO_MSYNC
1514	PPCODE:	1780	PPCODE:
1515	{	1781	{
1516	STRLEN svlen;	1782	STRLEN svlen;
1517	char *svptr = SvPVbyte (data, svlen);	1783	char *svptr = SvPVbyte (data, svlen);
1518	UV len = SvUV (length);	1784	UV len = SvUV (length);
		1785
		1786	if (flags < 0)
		1787	flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1519		1788
1520	if (offset < 0)	1789	if (offset < 0)
1521	offset += svlen;	1790	offset += svlen;
1522		1791
1523	if (offset < 0 \|\| offset > svlen)	1792	if (offset < 0 \|\| offset > svlen)
…		…
1599	req->int2 = flags;	1868	req->int2 = flags;
1600	req->int3 = SvOK (count) ? SvIV (count) : -1;	1869	req->int3 = SvOK (count) ? SvIV (count) : -1;
1601	#endif	1870	#endif
1602		1871
1603	REQ_SEND;	1872	REQ_SEND;
		1873	}
		1874
		1875	void
		1876	aio_slurp (SV pathname, off_t offset, UV length, SV8 data, SV *callback = &PL_sv_undef)
		1877	PPCODE:
		1878	{
		1879	char *svptr = 0;
		1880
		1881	sv_clear_foreign (data);
		1882
		1883	if (length) /* known length, directly read into scalar */
		1884	{
		1885	if (!SvPOK (data) \|\| SvLEN (data) >= SvCUR (data))
		1886	svptr = sv_grow (data, length + 1);
		1887	else if (SvCUR (data) < length)
		1888	croak ("length outside of scalar, and cannot grow");
		1889	else
		1890	svptr = SvPVbyte_nolen (data);
		1891	}
		1892
		1893	{
		1894	dREQ;
		1895
		1896	req->type = EIO_SLURP;
		1897	req_set_path1 (req, pathname);
		1898	req->offs = offset;
		1899	req->size = length;
		1900	req->sv2 = SvREFCNT_inc (data);
		1901	req->ptr2 = svptr;
		1902
		1903	if (!SvREADONLY (data))
		1904	{
		1905	SvREADONLY_on (data);
		1906	req->flags \|= FLAG_SV2_RO_OFF;
		1907	}
		1908
		1909	REQ_SEND;
		1910	}
1604	}	1911	}
1605		1912
1606	void	1913	void
1607	aio_busy (double delay, SV *callback = &PL_sv_undef)	1914	aio_busy (double delay, SV *callback = &PL_sv_undef)
1608	PPCODE:	1915	PPCODE:
…		…
1745	RETVAL	2052	RETVAL
1746		2053
1747	void	2054	void
1748	mmap (SV scalar, STRLEN length, int prot, int flags, SV fh = &PL_sv_undef, off_t offset = 0)	2055	mmap (SV scalar, STRLEN length, int prot, int flags, SV fh = &PL_sv_undef, off_t offset = 0)
1749	PPCODE:	2056	PPCODE:
1750	sv_unmagic (scalar, MMAP_MAGIC);	2057	sv_clear_foreign (scalar);
1751	{	2058	{
1752	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	2059	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1753	void addr = (void )mmap (0, length, prot, flags, fd, offset);	2060	void addr = (void )mmap (0, length, prot, flags, fd, offset);
1754	if (addr == (void *)-1)	2061	if (addr == (void *)-1)
1755	XSRETURN_NO;	2062	XSRETURN_NO;
1756		2063
1757	sv_force_normal (scalar);	2064	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		2065
1765	if (!(prot & PROT_WRITE))	2066	if (!(prot & PROT_WRITE))
1766	SvREADONLY_on (scalar);	2067	SvREADONLY_on (scalar);
1767		2068
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;	2069	XSRETURN_YES;
1777	}	2070	}
1778		2071
1779	void	2072	void
1780	munmap (SV *scalar)	2073	munmap (SV *scalar)
1781	CODE:	2074	CODE:
1782	sv_unmagic (scalar, MMAP_MAGIC);	2075	sv_clear_foreign (scalar);
		2076
		2077	SV *
		2078	mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
		2079	CODE:
		2080	{
		2081	MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
		2082	void *new;
		2083
		2084	if (!mg \|\| SvPVX (scalar) != mg->mg_ptr)
		2085	croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
		2086
		2087	new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
		2088
		2089	RETVAL = &PL_sv_no;
		2090
		2091	if (new != (void *)-1)
		2092	{
		2093	RETVAL = new == (void *)mg->mg_ptr
		2094	? newSVpvn ("0 but true", 10)
		2095	: &PL_sv_yes;
		2096
		2097	mg->mg_ptr = (char *)new;
		2098	mg->mg_obj = (SV *)new_length;
		2099
		2100	SvPVX (scalar) = mg->mg_ptr;
		2101	SvCUR_set (scalar, new_length);
		2102	}
		2103	}
		2104	OUTPUT:
		2105	RETVAL
1783		2106
1784	int	2107	int
1785	madvise (SV scalar, STRLEN offset = 0, SV length = &PL_sv_undef, IV advice_or_prot)	2108	madvise (SV scalar, STRLEN offset = 0, SV length = &PL_sv_undef, IV advice_or_prot)
1786	ALIAS:	2109	ALIAS:
1787	mprotect = 1	2110	mprotect = 1
…		…
1893	errno = ENOSYS;	2216	errno = ENOSYS;
1894	RETVAL = -1;	2217	RETVAL = -1;
1895	#endif	2218	#endif
1896	OUTPUT:	2219	OUTPUT:
1897	RETVAL	2220	RETVAL
		2221
		2222	void
		2223	pipe2 (int flags = 0)
		2224	PROTOTYPE: ;$
		2225	PPCODE:
		2226	{
		2227	int fd[2];
		2228	int res;
		2229
		2230	if (flags)
		2231	#if HAVE_PIPE2
		2232	res = pipe2 (fd, flags);
		2233	#else
		2234	res = (errno = ENOSYS, -1);
		2235	#endif
		2236	else
		2237	res = pipe (fd);
		2238
		2239	if (!res)
		2240	{
		2241	EXTEND (SP, 2);
		2242	PUSHs (newmortalFH (fd[0], O_RDONLY));
		2243	PUSHs (newmortalFH (fd[1], O_WRONLY));
		2244	}
		2245	}
		2246
		2247	void
		2248	eventfd (unsigned int initval = 0, int flags = 0)
		2249	PPCODE:
		2250	{
		2251	int fd;
		2252	#if HAVE_EVENTFD
		2253	fd = eventfd (initval, flags);
		2254	#else
		2255	fd = (errno = ENOSYS, -1);
		2256	#endif
		2257
		2258	XPUSHs (newmortalFH (fd, O_RDWR));
		2259	}
		2260
		2261	void
		2262	timerfd_create (int clockid, int flags = 0)
		2263	PPCODE:
		2264	{
		2265	int fd;
		2266	#if HAVE_TIMERFD
		2267	fd = timerfd_create (clockid, flags);
		2268	#else
		2269	fd = (errno = ENOSYS, -1);
		2270	#endif
		2271
		2272	XPUSHs (newmortalFH (fd, O_RDWR));
		2273	}
		2274
		2275	void
		2276	timerfd_settime (SV *fh, int flags, NV interval, NV value)
		2277	PPCODE:
		2278	{
		2279	int fd = s_fileno_croak (fh, 0);
		2280	#if HAVE_TIMERFD
		2281	int res;
		2282	struct itimerspec its, ots;
		2283
		2284	ts_set (&its.it_interval, interval);
		2285	ts_set (&its.it_value , value);
		2286	res = timerfd_settime (fd, flags, &its, &ots);
		2287
		2288	if (!res)
		2289	{
		2290	EXTEND (SP, 2);
		2291	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2292	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2293	}
		2294	#else
		2295	errno = ENOSYS;
		2296	#endif
		2297	}
		2298
		2299	void
		2300	timerfd_gettime (SV *fh)
		2301	PPCODE:
		2302	{
		2303	int fd = s_fileno_croak (fh, 0);
		2304	#if HAVE_TIMERFD
		2305	int res;
		2306	struct itimerspec ots;
		2307	res = timerfd_gettime (fd, &ots);
		2308
		2309	if (!res)
		2310	{
		2311	EXTEND (SP, 2);
		2312	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2313	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2314	}
		2315	#else
		2316	errno = ENOSYS;
		2317	#endif
		2318	}
		2319
		2320	UV
		2321	get_fdlimit ()
		2322	CODE:
		2323	#if HAVE_RLIMITS
		2324	struct rlimit rl;
		2325	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2326	XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
		2327	#endif
		2328	XSRETURN_UNDEF;
		2329	OUTPUT:
		2330	RETVAL
		2331
		2332	void
		2333	min_fdlimit (UV limit = 0x7fffffffU)
		2334	CODE:
		2335	{
		2336	#if HAVE_RLIMITS
		2337	struct rlimit rl;
		2338	rlim_t orig_rlim_max;
		2339	UV bit;
		2340
		2341	if (0 != getrlimit (RLIMIT_NOFILE, &rl))
		2342	goto fail;
		2343
		2344	if (rl.rlim_cur == RLIM_INFINITY)
		2345	XSRETURN_YES;
		2346
		2347	orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
		2348
		2349	if (rl.rlim_cur < limit)
		2350	{
		2351	rl.rlim_cur = limit;
		2352
		2353	if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
		2354	rl.rlim_max = rl.rlim_cur;
		2355	}
		2356
		2357	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2358	XSRETURN_YES;
		2359
		2360	if (errno == EPERM)
		2361	{
		2362	/* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
		2363	/* our limit overflows a system-wide limit */
		2364	/* try an adaptive algorithm, but do not lower the hardlimit */
		2365	rl.rlim_max = 0;
		2366	for (bit = 0x40000000U; bit; bit >>= 1)
		2367	{
		2368	rl.rlim_max \|= bit;
		2369	rl.rlim_cur = rl.rlim_max;
		2370
		2371	/* nevr decrease the hard limit */
		2372	if (rl.rlim_max < orig_rlim_max)
		2373	break;
		2374
		2375	if (0 != setrlimit (RLIMIT_NOFILE, &rl))
		2376	rl.rlim_max &= ~bit; /* too high, remove bit again */
		2377	}
		2378
		2379	/* now, raise the soft limit to the max permitted */
		2380	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2381	{
		2382	rl.rlim_cur = rl.rlim_max;
		2383	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2384	errno = EPERM;
		2385	}
		2386	}
		2387	#endif
		2388	fail:
		2389	XSRETURN_UNDEF;
		2390	}
1898		2391
1899	void _on_next_submit (SV *cb)	2392	void _on_next_submit (SV *cb)
1900	CODE:	2393	CODE:
1901	SvREFCNT_dec (on_next_submit);	2394	SvREFCNT_dec (on_next_submit);
1902	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	2395	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;

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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 1.260 by root, Tue Jul 24 04:58:59 2018 UTC

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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 1.260 by root, Tue Jul 24 04:58:59 2018 UTC