[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 1.257 by root, Tue Jul 17 23:20:09 2018 UTC

…		…
3	#include <errno.h>	3	#include <errno.h>
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
9	#include "schmorp.h"
10		8
11	#include <stddef.h>	9	#include <stddef.h>
12	#include <stdlib.h>	10	#include <stdlib.h>
13	#include <errno.h>	11	#include <errno.h>
14	#include <sys/types.h>	12	#include <sys/types.h>
…		…
21	# include <sys/mman.h>	19	# include <sys/mman.h>
22	#endif	20	#endif
23		21
24	/* the incompetent fool that created musl keeps __linux__, refuses	22	/* the incompetent fool that created musl keeps __linux__, refuses
25	* to implement any linux standard apis, and also has no way to test	23	* 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.	24	* for his broken iplementation. don't complain to me if this fails
		25	* for you.
27	*/	26	*/
28	#if __linux__ && (defined __GLIBC__ \|\| defined __UCLIBC__)	27	#if __linux__ && (defined __GLIBC__ \|\| defined __UCLIBC__)
29	# include <linux/fs.h>	28	# include <linux/fs.h>
30	# ifdef FS_IOC_FIEMAP	29	# ifdef FS_IOC_FIEMAP
31	# include <linux/types.h>	30	# include <linux/types.h>
…		…
103	#define expect_false(expr) expect ((expr) != 0, 0)	102	#define expect_false(expr) expect ((expr) != 0, 0)
104	#define expect_true(expr) expect ((expr) != 0, 1)	103	#define expect_true(expr) expect ((expr) != 0, 1)
105		104
106	/*****************************************************************************/	105	/*****************************************************************************/
107		106
		107	#include "libeio/config.h"
		108
		109	#include "schmorp.h"
		110
		111	#if HAVE_EVENTFD
		112	# include <sys/eventfd.h>
		113	#endif
		114
		115	#if HAVE_TIMERFD
		116	# include <sys/timerfd.h>
		117	#endif
		118
		119	#if HAVE_RLIMITS
		120	#include <sys/time.h>
		121	#include <sys/resource.h>
		122	#endif
		123
108	typedef SV SV8; /* byte-sv, used for argument-checking */	124	typedef SV SV8; /* byte-sv, used for argument-checking */
109	typedef int aio_rfd; /* read file desriptor */	125	typedef int aio_rfd; /* read file desriptor */
110	typedef int aio_wfd; /* write file descriptor */	126	typedef int aio_wfd; /* write file descriptor */
111		127
112	static HV aio_stash, aio_req_stash, aio_grp_stash, aio_wd_stash;	128	static HV aio_stash, aio_req_stash, aio_grp_stash, aio_wd_stash;
…		…
118	STRLEN stroffset; \	134	STRLEN stroffset; \
119	SV *self;	135	SV *self;
120		136
121	#define EIO_NO_WRAPPERS 1	137	#define EIO_NO_WRAPPERS 1
122		138
123	#include "libeio/config.h"
124	#include "libeio/eio.h"	139	#include "libeio/eio.h"
125		140
126	static int req_invoke (eio_req *req);	141	static int req_invoke (eio_req *req);
127	#define EIO_FINISH(req) req_invoke (req)	142	#define EIO_FINISH(req) req_invoke (req)
128	static void req_destroy (eio_req *grp);	143	static void req_destroy (eio_req *grp);
…		…
145	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	160	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
146	# endif	161	# endif
147	#endif	162	#endif
148		163
149	/* defines all sorts of constants to 0 unless they are already defined */	164	/* defines all sorts of constants to 0 unless they are already defined */
		165	/* also provides const_iv_ and const_niv_ macros for them */
150	#include "def0.h"	166	#include "def0.h"
151		167
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
…		…
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) EIO_ENOSYS ()
		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	}
165		276
166	/*****************************************************************************/	277	/*****************************************************************************/
167		278
168	static void	279	static void
169	fiemap (eio_req *req)	280	fiemap (eio_req *req)
…		…
337	\|\| SvTYPE (SvRV (sv)) != SVt_PVMG	448	\|\| SvTYPE (SvRV (sv)) != SVt_PVMG
338	\|\| SvSTASH (SvRV (sv)) != aio_wd_stash)	449	\|\| SvSTASH (SvRV (sv)) != aio_wd_stash)
339	croak ("IO::AIO: expected a working directory object as returned by aio_wd");	450	croak ("IO::AIO: expected a working directory object as returned by aio_wd");
340		451
341	return (aio_wd)(long)SvIVX (SvRV (sv));	452	return (aio_wd)(long)SvIVX (SvRV (sv));
		453	}
		454
		455	static SV *
		456	newmortalFH (int fd, int flags)
		457	{
		458	if (fd < 0)
		459	return &PL_sv_undef;
		460
		461	GV gv = (GV )sv_newmortal ();
		462	char sym[64];
		463	int symlen;
		464
		465	symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
		466	gv_init (gv, aio_stash, sym, symlen, 0);
		467
		468	symlen = snprintf (
		469	sym,
		470	sizeof (sym),
		471	"%s&=%d",
		472	flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
		473	fd
		474	);
		475
		476	return do_open (gv, sym, symlen, 0, 0, 0, 0)
		477	? (SV *)gv : &PL_sv_undef;
342	}	478	}
343		479
344	static void	480	static void
345	aio_grp_feed (aio_req grp)	481	aio_grp_feed (aio_req grp)
346	{	482	{
…		…
474	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 \| EIO_READDIR_CUSTOM2))));	610	XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 \| EIO_READDIR_CUSTOM2))));
475	}	611	}
476	break;	612	break;
477		613
478	case EIO_OPEN:	614	case EIO_OPEN:
479	{	615	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;	616	break;
508		617
509	case EIO_STATVFS:	618	case EIO_STATVFS:
510	case EIO_FSTATVFS:	619	case EIO_FSTATVFS:
511	{	620	{
…		…
591	SvSETMAGIC (req->sv2);	700	SvSETMAGIC (req->sv2);
592	PUSHs (sv_result);	701	PUSHs (sv_result);
593	}	702	}
594	break;	703	break;
595		704
		705	case EIO_SLURP:
		706	{
		707	if (req->result >= 0)
		708	{
		709	/* if length was originally not known, we steal the malloc'ed memory */
		710	if (req->flags & EIO_FLAG_PTR2_FREE)
		711	{
		712	req->flags &= ~EIO_FLAG_PTR2_FREE;
		713	sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
		714	}
		715	else
		716	{
		717	SvCUR_set (req->sv2, req->result);
		718	*SvEND (req->sv2) = 0;
		719	SvPOK_only (req->sv2);
		720	}
		721
		722	SvSETMAGIC (req->sv2);
		723	}
		724
		725	PUSHs (sv_result);
		726	}
		727	break;
		728
596	case EIO_CUSTOM:	729	case EIO_CUSTOM:
597	if (req->feed == fiemap)	730	if (req->feed == fiemap)
598	{	731	{
599	#if HAVE_FIEMAP	732	#if HAVE_FIEMAP
600	if (!req->result)	733	if (!req->result)
…		…
705	{	838	{
706	while (eio_nreqs ())	839	while (eio_nreqs ())
707	{	840	{
708	int size;	841	int size;
709		842
710	X_LOCK (reslock);	843	X_LOCK (EIO_POOL->reslock);
711	size = res_queue.size;	844	size = EIO_POOL->res_queue.size;
712	X_UNLOCK (reslock);	845	X_UNLOCK (EIO_POOL->reslock);
713		846
714	if (size)	847	if (size)
715	return;	848	return;
716		849
717	etp_maybe_start_thread ();	850	etp_maybe_start_thread (EIO_POOL);
718		851
719	s_epipe_wait (&respipe);	852	s_epipe_wait (&respipe);
720	}	853	}
721	}	854	}
722		855
…		…
743	create_respipe ();	876	create_respipe ();
744		877
745	if (eio_init (want_poll, done_poll) < 0)	878	if (eio_init (want_poll, done_poll) < 0)
746	croak ("IO::AIO: unable to initialise eio library");	879	croak ("IO::AIO: unable to initialise eio library");
747	}	880	}
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		881
792	/*****************************************************************************/	882	/*****************************************************************************/
793		883
794	static SV *	884	static SV *
795	get_cb (SV *cb_sv)	885	get_cb (SV *cb_sv)
…		…
891	req_set_path1 (req, fh_or_path);	981	req_set_path1 (req, fh_or_path);
892	break;	982	break;
893	}	983	}
894	}	984	}
895		985
		986	/*****************************************************************************/
		987
		988	static void
		989	ts_set (struct timespec *ts, NV value)
		990	{
		991	ts->tv_sec = value;
		992	ts->tv_nsec = (value - ts->tv_sec) * 1e9;
		993	}
		994
		995	static NV
		996	ts_get (const struct timespec *ts)
		997	{
		998	return ts->tv_sec + ts->tv_nsec * 1e-9;
		999	}
		1000
		1001	/*****************************************************************************/
		1002
896	XS(boot_IO__AIO) ecb_cold;	1003	XS(boot_IO__AIO) ecb_cold;
897		1004
898	MODULE = IO::AIO PACKAGE = IO::AIO	1005	MODULE = IO::AIO PACKAGE = IO::AIO
899		1006
900	PROTOTYPES: ENABLE	1007	PROTOTYPES: ENABLE
…		…
907	} *civ, const_iv[] = {	1014	} *civ, const_iv[] = {
908	# define const_niv(name, value) { # name, (IV) value },	1015	# define const_niv(name, value) { # name, (IV) value },
909	# define const_iv(name) { # name, (IV) name },	1016	# define const_iv(name) { # name, (IV) name },
910	# define const_eio(name) { # name, (IV) EIO_ ## name },	1017	# define const_eio(name) { # name, (IV) EIO_ ## name },
911		1018
912	/* you have to re-run ./gendef0 after adding/Removing any constants here */	1019	/* you have to re-run ./gendef0 after adding/removing any constants here */
913		1020	/* the first block can be undef if missing */
914	const_iv (ENOSYS)	1021	const_iv (ENOSYS)
915	const_iv (EXDEV)	1022	const_iv (EXDEV)
916	const_iv (EBADR)	1023	const_iv (EBADR)
917		1024
		1025	/* for lseek */
		1026	const_iv (SEEK_DATA)
		1027	const_iv (SEEK_HOLE)
		1028
		1029	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
		1030	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		1031	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
		1032	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		1033	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		1034	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		1035
		1036	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		1037	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		1038	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		1039	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		1040	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		1041
		1042	/* the second block will be 0 when missing */
918	const_iv (O_RDONLY)	1043	const_iv (O_RDONLY)
919	const_iv (O_WRONLY)	1044	const_iv (O_WRONLY)
920	const_iv (O_RDWR)	1045	const_iv (O_RDWR)
921	const_iv (O_CREAT)	1046	const_iv (O_CREAT)
922	const_iv (O_TRUNC)	1047	const_iv (O_TRUNC)
…		…
935	const_iv (O_SEARCH)	1060	const_iv (O_SEARCH)
936	const_iv (O_DIRECTORY)	1061	const_iv (O_DIRECTORY)
937	const_iv (O_DSYNC)	1062	const_iv (O_DSYNC)
938	const_iv (O_RSYNC)	1063	const_iv (O_RSYNC)
939	const_iv (O_SYNC)	1064	const_iv (O_SYNC)
		1065	const_iv (O_PATH)
		1066	const_iv (O_TMPFILE)
940	const_iv (O_TTY_INIT)	1067	const_iv (O_TTY_INIT)
941		1068
942	const_iv (S_IFIFO)	1069	const_iv (S_IFIFO)
943	const_iv (S_IFCHR)	1070	const_iv (S_IFCHR)
944	const_iv (S_IFBLK)	1071	const_iv (S_IFBLK)
…		…
946	const_iv (S_IFREG)	1073	const_iv (S_IFREG)
947	const_iv (S_IFDIR)	1074	const_iv (S_IFDIR)
948	const_iv (S_IFWHT)	1075	const_iv (S_IFWHT)
949	const_iv (S_IFSOCK)	1076	const_iv (S_IFSOCK)
950	const_iv (S_IFMT)	1077	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		1078
965	const_iv (ST_RDONLY)	1079	const_iv (ST_RDONLY)
966	const_iv (ST_NOSUID)	1080	const_iv (ST_NOSUID)
967	const_iv (ST_NODEV)	1081	const_iv (ST_NODEV)
968	const_iv (ST_NOEXEC)	1082	const_iv (ST_NOEXEC)
…		…
978	const_iv (PROT_NONE)	1092	const_iv (PROT_NONE)
979	const_iv (PROT_EXEC)	1093	const_iv (PROT_EXEC)
980	const_iv (PROT_READ)	1094	const_iv (PROT_READ)
981	const_iv (PROT_WRITE)	1095	const_iv (PROT_WRITE)
982		1096
983	/const_iv (MAP_FIXED)/
984	const_iv (MAP_PRIVATE)	1097	const_iv (MAP_PRIVATE)
985	const_iv (MAP_SHARED)	1098	const_iv (MAP_SHARED)
		1099	const_iv (MAP_FIXED)
986	const_iv (MAP_ANONYMOUS)	1100	const_iv (MAP_ANONYMOUS)
987		1101
988	/* linuxish */	1102	/* linuxish */
989	const_iv (MAP_HUGETLB)
990	const_iv (MAP_LOCKED)	1103	const_iv (MAP_LOCKED)
991	const_iv (MAP_NORESERVE)	1104	const_iv (MAP_NORESERVE)
992	const_iv (MAP_POPULATE)	1105	const_iv (MAP_POPULATE)
993	const_iv (MAP_NONBLOCK)	1106	const_iv (MAP_NONBLOCK)
		1107	const_iv (MAP_GROWSDOWN)
		1108	const_iv (MAP_32BIT)
		1109	const_iv (MAP_HUGETLB)
		1110	const_iv (MAP_STACK)
		1111
		1112	const_iv (MREMAP_MAYMOVE)
		1113	const_iv (MREMAP_FIXED)
		1114
		1115	const_iv (F_DUPFD_CLOEXEC)
		1116
		1117	const_iv (F_OFD_GETLK)
		1118	const_iv (F_OFD_SETLK)
		1119	const_iv (F_OFD_GETLKW)
		1120
		1121	const_iv (FIFREEZE)
		1122	const_iv (FITHAW)
		1123	const_iv (FITRIM)
		1124	const_iv (FICLONE)
		1125	const_iv (FICLONERANGE)
		1126	const_iv (FIDEDUPERANGE)
		1127
		1128	const_iv (FS_IOC_GETFLAGS)
		1129	const_iv (FS_IOC_SETFLAGS)
		1130	const_iv (FS_IOC_GETVERSION)
		1131	const_iv (FS_IOC_SETVERSION)
		1132	const_iv (FS_IOC_FIEMAP)
		1133	const_iv (FS_IOC_FSGETXATTR)
		1134	const_iv (FS_IOC_FSSETXATTR)
		1135	const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
		1136	const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
		1137	const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
		1138
		1139	const_iv (FS_KEY_DESCRIPTOR_SIZE)
		1140
		1141	const_iv (FS_SECRM_FL)
		1142	const_iv (FS_UNRM_FL)
		1143	const_iv (FS_COMPR_FL)
		1144	const_iv (FS_SYNC_FL)
		1145	const_iv (FS_IMMUTABLE_FL)
		1146	const_iv (FS_APPEND_FL)
		1147	const_iv (FS_NODUMP_FL)
		1148	const_iv (FS_NOATIME_FL)
		1149	const_iv (FS_DIRTY_FL)
		1150	const_iv (FS_COMPRBLK_FL)
		1151	const_iv (FS_NOCOMP_FL)
		1152	const_iv (FS_ENCRYPT_FL)
		1153	const_iv (FS_BTREE_FL)
		1154	const_iv (FS_INDEX_FL)
		1155	const_iv (FS_JOURNAL_DATA_FL)
		1156	const_iv (FS_NOTAIL_FL)
		1157	const_iv (FS_DIRSYNC_FL)
		1158	const_iv (FS_TOPDIR_FL)
		1159	const_iv (FS_FL_USER_MODIFIABLE)
		1160
		1161	const_iv (FS_XFLAG_REALTIME)
		1162	const_iv (FS_XFLAG_PREALLOC)
		1163	const_iv (FS_XFLAG_IMMUTABLE)
		1164	const_iv (FS_XFLAG_APPEND)
		1165	const_iv (FS_XFLAG_SYNC)
		1166	const_iv (FS_XFLAG_NOATIME)
		1167	const_iv (FS_XFLAG_NODUMP)
		1168	const_iv (FS_XFLAG_RTINHERIT)
		1169	const_iv (FS_XFLAG_PROJINHERIT)
		1170	const_iv (FS_XFLAG_NOSYMLINKS)
		1171	const_iv (FS_XFLAG_EXTSIZE)
		1172	const_iv (FS_XFLAG_EXTSZINHERIT)
		1173	const_iv (FS_XFLAG_NODEFRAG)
		1174	const_iv (FS_XFLAG_FILESTREAM)
		1175	const_iv (FS_XFLAG_DAX)
		1176	const_iv (FS_XFLAG_HASATTR)
994		1177
995	const_iv (FIEMAP_FLAG_SYNC)	1178	const_iv (FIEMAP_FLAG_SYNC)
996	const_iv (FIEMAP_FLAG_XATTR)	1179	const_iv (FIEMAP_FLAG_XATTR)
997	const_iv (FIEMAP_FLAGS_COMPAT)	1180	const_iv (FIEMAP_FLAGS_COMPAT)
998	const_iv (FIEMAP_EXTENT_LAST)	1181	const_iv (FIEMAP_EXTENT_LAST)
…		…
1010	const_iv (SPLICE_F_MOVE)	1193	const_iv (SPLICE_F_MOVE)
1011	const_iv (SPLICE_F_NONBLOCK)	1194	const_iv (SPLICE_F_NONBLOCK)
1012	const_iv (SPLICE_F_MORE)	1195	const_iv (SPLICE_F_MORE)
1013	const_iv (SPLICE_F_GIFT)	1196	const_iv (SPLICE_F_GIFT)
1014		1197
1015	const_iv (SEEK_DATA)	1198	const_iv (EFD_CLOEXEC)
		1199	const_iv (EFD_NONBLOCK)
1016	const_iv (SEEK_HOLE)	1200	const_iv (EFD_SEMAPHORE)
1017		1201
1018	/* libeio constants */	1202	const_iv (CLOCK_REALTIME)
		1203	const_iv (CLOCK_MONOTONIC)
		1204	const_iv (CLOCK_BOOTTIME)
		1205	const_iv (CLOCK_REALTIME_ALARM)
		1206	const_iv (CLOCK_BOOTTIME_ALARM)
		1207
		1208	const_iv (TFD_NONBLOCK)
		1209	const_iv (TFD_CLOEXEC)
		1210
		1211	const_iv (TFD_TIMER_ABSTIME)
		1212	const_iv (TFD_TIMER_CANCEL_ON_SET)
		1213
		1214	/* these are libeio constants, and are independent of gendef0 */
1019	const_eio (SEEK_SET)	1215	const_eio (SEEK_SET)
1020	const_eio (SEEK_CUR)	1216	const_eio (SEEK_CUR)
1021	const_eio (SEEK_END)	1217	const_eio (SEEK_END)
1022		1218
1023	const_eio (MCL_FUTURE)	1219	const_eio (MCL_FUTURE)
…		…
1035		1231
1036	const_eio (FALLOC_FL_KEEP_SIZE)	1232	const_eio (FALLOC_FL_KEEP_SIZE)
1037	const_eio (FALLOC_FL_PUNCH_HOLE)	1233	const_eio (FALLOC_FL_PUNCH_HOLE)
1038	const_eio (FALLOC_FL_COLLAPSE_RANGE)	1234	const_eio (FALLOC_FL_COLLAPSE_RANGE)
1039	const_eio (FALLOC_FL_ZERO_RANGE)	1235	const_eio (FALLOC_FL_ZERO_RANGE)
		1236	const_eio (FALLOC_FL_INSERT_RANGE)
		1237	const_eio (FALLOC_FL_UNSHARE_RANGE)
		1238
		1239	const_eio (RENAME_NOREPLACE)
		1240	const_eio (RENAME_EXCHANGE)
		1241	const_eio (RENAME_WHITEOUT)
1040		1242
1041	const_eio (READDIR_DENTS)	1243	const_eio (READDIR_DENTS)
1042	const_eio (READDIR_DIRS_FIRST)	1244	const_eio (READDIR_DIRS_FIRST)
1043	const_eio (READDIR_STAT_ORDER)	1245	const_eio (READDIR_STAT_ORDER)
1044	const_eio (READDIR_FOUND_UNKNOWN)	1246	const_eio (READDIR_FOUND_UNKNOWN)
…		…
1295	REQ_SEND;	1497	REQ_SEND;
1296	}	1498	}
1297	}	1499	}
1298		1500
1299	void	1501	void
		1502	aio_ioctl (SV fh, unsigned long request, SV8 arg, SV *callback = &PL_sv_undef)
		1503	ALIAS:
		1504	aio_ioctl = EIO_IOCTL
		1505	aio_fcntl = EIO_FCNTL
		1506	PPCODE:
		1507	{
		1508	int fd = s_fileno_croak (fh, 0);
		1509	char *svptr;
		1510
		1511	if (SvPOK (arg) \|\| !SvNIOK (arg))
		1512	{
		1513	STRLEN svlen;
		1514	/* perl uses IOCPARM_LEN for fcntl, so we do, too */
		1515	#ifdef IOCPARM_LEN
		1516	STRLEN need = IOCPARM_LEN (request);
		1517	#else
		1518	STRLEN need = 256;
		1519	#endif
		1520
		1521	if (svlen < need)
		1522	svptr = SvGROW (arg, need);
		1523	}
		1524	else
		1525	svptr = (char *)SvIV (arg);
		1526
		1527	{
		1528	dREQ;
		1529
		1530	req->type = ix;
		1531	req->sv1 = newSVsv (fh);
		1532	req->int1 = fd;
		1533	req->int2 = (long)request;
		1534	req->sv2 = SvREFCNT_inc (arg);
		1535	req->ptr2 = svptr;
		1536
		1537	REQ_SEND;
		1538	}
		1539	}
		1540
		1541	void
1300	aio_readlink (SV8 pathname, SV callback = &PL_sv_undef)	1542	aio_readlink (SV8 pathname, SV callback = &PL_sv_undef)
1301	ALIAS:	1543	ALIAS:
1302	aio_readlink = EIO_READLINK	1544	aio_readlink = EIO_READLINK
1303	aio_realpath = EIO_REALPATH	1545	aio_realpath = EIO_REALPATH
1304	PPCODE:	1546	PPCODE:
…		…
1364	UV	1606	UV
1365	major (UV dev)	1607	major (UV dev)
1366	ALIAS:	1608	ALIAS:
1367	minor = 1	1609	minor = 1
1368	CODE:	1610	CODE:
1369	RETVAL = ix ? major (dev) : minor (dev);	1611	RETVAL = ix ? minor (dev) : major (dev);
1370	OUTPUT:	1612	OUTPUT:
1371	RETVAL	1613	RETVAL
1372		1614
1373	UV	1615	UV
1374	makedev (UV maj, UV min)	1616	makedev (UV maj, UV min)
…		…
1491		1733
1492	REQ_SEND;	1734	REQ_SEND;
1493	}	1735	}
1494		1736
1495	void	1737	void
		1738	aio_rename2 (SV8 oldpath, SV8 newpath, int flags = 0, SV *callback = &PL_sv_undef)
		1739	PPCODE:
		1740	{
		1741	eio_wd wd2 = 0;
		1742	dREQ;
		1743
		1744	req->type = EIO_RENAME;
		1745	req_set_path1 (req, oldpath);
		1746	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
		1747	req->int2 = flags;
		1748	req->int3 = (long)wd2;
		1749
		1750	REQ_SEND;
		1751	}
		1752
		1753	void
1496	aio_mknod (SV8 pathname, int mode, UV dev, SV callback = &PL_sv_undef)	1754	aio_mknod (SV8 pathname, int mode, UV dev, SV callback = &PL_sv_undef)
1497	PPCODE:	1755	PPCODE:
1498	{	1756	{
1499	dREQ;	1757	dREQ;
1500		1758
…		…
1505		1763
1506	REQ_SEND;	1764	REQ_SEND;
1507	}	1765	}
1508		1766
1509	void	1767	void
1510	aio_mtouch (SV8 data, IV offset = 0, SV length = &PL_sv_undef, int flags = 0, SV *callback = &PL_sv_undef)	1768	aio_mtouch (SV8 data, IV offset = 0, SV length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1511	ALIAS:	1769	ALIAS:
1512	aio_mtouch = EIO_MTOUCH	1770	aio_mtouch = EIO_MTOUCH
1513	aio_msync = EIO_MSYNC	1771	aio_msync = EIO_MSYNC
1514	PPCODE:	1772	PPCODE:
1515	{	1773	{
1516	STRLEN svlen;	1774	STRLEN svlen;
1517	char *svptr = SvPVbyte (data, svlen);	1775	char *svptr = SvPVbyte (data, svlen);
1518	UV len = SvUV (length);	1776	UV len = SvUV (length);
		1777
		1778	if (flags < 0)
		1779	flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1519		1780
1520	if (offset < 0)	1781	if (offset < 0)
1521	offset += svlen;	1782	offset += svlen;
1522		1783
1523	if (offset < 0 \|\| offset > svlen)	1784	if (offset < 0 \|\| offset > svlen)
…		…
1599	req->int2 = flags;	1860	req->int2 = flags;
1600	req->int3 = SvOK (count) ? SvIV (count) : -1;	1861	req->int3 = SvOK (count) ? SvIV (count) : -1;
1601	#endif	1862	#endif
1602		1863
1603	REQ_SEND;	1864	REQ_SEND;
		1865	}
		1866
		1867	void
		1868	aio_slurp (SV pathname, off_t offset, UV length, SV8 data, SV *callback = &PL_sv_undef)
		1869	PPCODE:
		1870	{
		1871	char *svptr = 0;
		1872
		1873	sv_clear_foreign (data);
		1874
		1875	if (length) /* known length, directly read into scalar */
		1876	{
		1877	if (!SvPOK (data) \|\| SvLEN (data) >= SvCUR (data))
		1878	svptr = sv_grow (data, length + 1);
		1879	else if (SvCUR (data) < length)
		1880	croak ("length outside of scalar, and cannot grow");
		1881	else
		1882	svptr = SvPVbyte_nolen (data);
		1883	}
		1884
		1885	{
		1886	dREQ;
		1887
		1888	req->type = EIO_SLURP;
		1889	req_set_path1 (req, pathname);
		1890	req->offs = offset;
		1891	req->size = length;
		1892	req->sv2 = SvREFCNT_inc (data);
		1893	req->ptr2 = svptr;
		1894
		1895	if (!SvREADONLY (data))
		1896	{
		1897	SvREADONLY_on (data);
		1898	req->flags \|= FLAG_SV2_RO_OFF;
		1899	}
		1900
		1901	REQ_SEND;
		1902	}
1604	}	1903	}
1605		1904
1606	void	1905	void
1607	aio_busy (double delay, SV *callback = &PL_sv_undef)	1906	aio_busy (double delay, SV *callback = &PL_sv_undef)
1608	PPCODE:	1907	PPCODE:
…		…
1745	RETVAL	2044	RETVAL
1746		2045
1747	void	2046	void
1748	mmap (SV scalar, STRLEN length, int prot, int flags, SV fh = &PL_sv_undef, off_t offset = 0)	2047	mmap (SV scalar, STRLEN length, int prot, int flags, SV fh = &PL_sv_undef, off_t offset = 0)
1749	PPCODE:	2048	PPCODE:
1750	sv_unmagic (scalar, MMAP_MAGIC);	2049	sv_clear_foreign (scalar);
1751	{	2050	{
1752	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	2051	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1753	void addr = (void )mmap (0, length, prot, flags, fd, offset);	2052	void addr = (void )mmap (0, length, prot, flags, fd, offset);
1754	if (addr == (void *)-1)	2053	if (addr == (void *)-1)
1755	XSRETURN_NO;	2054	XSRETURN_NO;
1756		2055
1757	sv_force_normal (scalar);	2056	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		2057
1765	if (!(prot & PROT_WRITE))	2058	if (!(prot & PROT_WRITE))
1766	SvREADONLY_on (scalar);	2059	SvREADONLY_on (scalar);
1767		2060
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;	2061	XSRETURN_YES;
1777	}	2062	}
1778		2063
1779	void	2064	void
1780	munmap (SV *scalar)	2065	munmap (SV *scalar)
1781	CODE:	2066	CODE:
1782	sv_unmagic (scalar, MMAP_MAGIC);	2067	sv_clear_foreign (scalar);
		2068
		2069	SV *
		2070	mremap (SV *scalar, STRLEN new_length, int flags = 0, IV new_address = 0)
		2071	CODE:
		2072	{
		2073	MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
		2074	void *new;
		2075
		2076	if (!mg \|\| SvPVX (scalar) != mg->mg_ptr)
		2077	croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
		2078
		2079	new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
		2080
		2081	RETVAL = &PL_sv_no;
		2082
		2083	if (new != (void *)-1)
		2084	{
		2085	RETVAL = new == (void *)mg->mg_ptr
		2086	? newSVpvn ("0 but true", 10)
		2087	: &PL_sv_yes;
		2088
		2089	mg->mg_ptr = (char *)new;
		2090	mg->mg_obj = (SV *)new_length;
		2091
		2092	SvPVX (scalar) = mg->mg_ptr;
		2093	SvCUR_set (scalar, new_length);
		2094	}
		2095	}
		2096	OUTPUT:
		2097	RETVAL
1783		2098
1784	int	2099	int
1785	madvise (SV scalar, STRLEN offset = 0, SV length = &PL_sv_undef, IV advice_or_prot)	2100	madvise (SV scalar, STRLEN offset = 0, SV length = &PL_sv_undef, IV advice_or_prot)
1786	ALIAS:	2101	ALIAS:
1787	mprotect = 1	2102	mprotect = 1
…		…
1893	errno = ENOSYS;	2208	errno = ENOSYS;
1894	RETVAL = -1;	2209	RETVAL = -1;
1895	#endif	2210	#endif
1896	OUTPUT:	2211	OUTPUT:
1897	RETVAL	2212	RETVAL
		2213
		2214	void
		2215	pipe2 (int flags = 0)
		2216	PROTOTYPE: ;$
		2217	PPCODE:
		2218	{
		2219	int fd[2];
		2220	int res;
		2221
		2222	if (flags)
		2223	#if HAVE_PIPE2
		2224	res = pipe2 (fd, flags);
		2225	#else
		2226	res = (errno = ENOSYS, -1);
		2227	#endif
		2228	else
		2229	res = pipe (fd);
		2230
		2231	if (!res)
		2232	{
		2233	EXTEND (SP, 2);
		2234	PUSHs (newmortalFH (fd[0], O_RDONLY));
		2235	PUSHs (newmortalFH (fd[1], O_WRONLY));
		2236	}
		2237	}
		2238
		2239	void
		2240	eventfd (unsigned int initval = 0, int flags = 0)
		2241	PPCODE:
		2242	{
		2243	int fd;
		2244	#if HAVE_EVENTFD
		2245	fd = eventfd (initval, flags);
		2246	#else
		2247	fd = (errno = ENOSYS, -1);
		2248	#endif
		2249
		2250	XPUSHs (newmortalFH (fd, O_RDWR));
		2251	}
		2252
		2253	void
		2254	timerfd_create (int clockid, int flags = 0)
		2255	PPCODE:
		2256	{
		2257	int fd;
		2258	#if HAVE_TIMERFD
		2259	fd = timerfd_create (clockid, flags);
		2260	#else
		2261	fd = (errno = ENOSYS, -1);
		2262	#endif
		2263
		2264	XPUSHs (newmortalFH (fd, O_RDWR));
		2265	}
		2266
		2267	void
		2268	timerfd_settime (SV *fh, int flags, NV interval, NV value)
		2269	PPCODE:
		2270	{
		2271	int fd = s_fileno_croak (fh, 0);
		2272	#if HAVE_TIMERFD
		2273	int res;
		2274	struct itimerspec its, ots;
		2275
		2276	ts_set (&its.it_interval, interval);
		2277	ts_set (&its.it_value , value);
		2278	res = timerfd_settime (fd, flags, &its, &ots);
		2279
		2280	if (!res)
		2281	{
		2282	EXTEND (SP, 2);
		2283	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2284	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2285	}
		2286	#else
		2287	errno = ENOSYS;
		2288	#endif
		2289	}
		2290
		2291	void
		2292	timerfd_gettime (SV *fh)
		2293	PPCODE:
		2294	{
		2295	int fd = s_fileno_croak (fh, 0);
		2296	#if HAVE_TIMERFD
		2297	int res;
		2298	struct itimerspec ots;
		2299	res = timerfd_gettime (fd, &ots);
		2300
		2301	if (!res)
		2302	{
		2303	EXTEND (SP, 2);
		2304	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2305	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2306	}
		2307	#else
		2308	errno = ENOSYS;
		2309	#endif
		2310	}
		2311
		2312	UV
		2313	get_fdlimit ()
		2314	CODE:
		2315	#if HAVE_RLIMITS
		2316	struct rlimit rl;
		2317	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2318	XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
		2319	#endif
		2320	XSRETURN_UNDEF;
		2321	OUTPUT:
		2322	RETVAL
		2323
		2324	void
		2325	min_fdlimit (UV limit = 0x7fffffffU)
		2326	CODE:
		2327	{
		2328	#if HAVE_RLIMITS
		2329	struct rlimit rl;
		2330	rlim_t orig_rlim_max;
		2331	UV bit;
		2332
		2333	if (0 != getrlimit (RLIMIT_NOFILE, &rl))
		2334	goto fail;
		2335
		2336	if (rl.rlim_cur == RLIM_INFINITY)
		2337	XSRETURN_YES;
		2338
		2339	orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
		2340
		2341	if (rl.rlim_cur < limit)
		2342	{
		2343	rl.rlim_cur = limit;
		2344
		2345	if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
		2346	rl.rlim_max = rl.rlim_cur;
		2347	}
		2348
		2349	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2350	XSRETURN_YES;
		2351
		2352	if (errno == EPERM)
		2353	{
		2354	/* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
		2355	/* our limit overflows a system-wide limit */
		2356	/* try an adaptive algorithm, but do not lower the hardlimit */
		2357	rl.rlim_max = 0;
		2358	for (bit = 0x40000000U; bit; bit >>= 1)
		2359	{
		2360	rl.rlim_max \|= bit;
		2361	rl.rlim_cur = rl.rlim_max;
		2362
		2363	/* nevr decrease the hard limit */
		2364	if (rl.rlim_max < orig_rlim_max)
		2365	break;
		2366
		2367	if (0 != setrlimit (RLIMIT_NOFILE, &rl))
		2368	rl.rlim_max &= ~bit; /* too high, remove bit again */
		2369	}
		2370
		2371	/* now, raise the soft limit to the max permitted */
		2372	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2373	{
		2374	rl.rlim_cur = rl.rlim_max;
		2375	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2376	errno = EPERM;
		2377	}
		2378	}
		2379	#endif
		2380	fail:
		2381	XSRETURN_UNDEF;
		2382	}
1898		2383
1899	void _on_next_submit (SV *cb)	2384	void _on_next_submit (SV *cb)
1900	CODE:	2385	CODE:
1901	SvREFCNT_dec (on_next_submit);	2386	SvREFCNT_dec (on_next_submit);
1902	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;	2387	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 1.257 by root, Tue Jul 17 23:20:09 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 1.257 by root, Tue Jul 17 23:20:09 2018 UTC