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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.233 by root, Thu Jun 25 13:34:28 2015 UTC vs.
Revision 1.251 by root, Sat Jan 6 01:04:42 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_RLIMITS
		112	#include <sys/time.h>
		113	#include <sys/resource.h>
		114	#endif
		115
108	typedef SV SV8; /* byte-sv, used for argument-checking */	116	typedef SV SV8; /* byte-sv, used for argument-checking */
109	typedef int aio_rfd; /* read file desriptor */	117	typedef int aio_rfd; /* read file desriptor */
110	typedef int aio_wfd; /* write file descriptor */	118	typedef int aio_wfd; /* write file descriptor */
111		119
112	static HV aio_stash, aio_req_stash, aio_grp_stash, aio_wd_stash;	120	static HV aio_stash, aio_req_stash, aio_grp_stash, aio_wd_stash;
…		…
118	STRLEN stroffset; \	126	STRLEN stroffset; \
119	SV *self;	127	SV *self;
120		128
121	#define EIO_NO_WRAPPERS 1	129	#define EIO_NO_WRAPPERS 1
122		130
123	#include "libeio/config.h"
124	#include "libeio/eio.h"	131	#include "libeio/eio.h"
125		132
126	static int req_invoke (eio_req *req);	133	static int req_invoke (eio_req *req);
127	#define EIO_FINISH(req) req_invoke (req)	134	#define EIO_FINISH(req) req_invoke (req)
128	static void req_destroy (eio_req *grp);	135	static void req_destroy (eio_req *grp);
…		…
145	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	152	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
146	# endif	153	# endif
147	#endif	154	#endif
148		155
149	/* defines all sorts of constants to 0 unless they are already defined */	156	/* defines all sorts of constants to 0 unless they are already defined */
		157	/* also provides const_iv_ and const_niv_ macros for them */
150	#include "def0.h"	158	#include "def0.h"
151		159
152	#ifndef makedev	160	#ifndef makedev
153	# define makedev(maj,min) (((maj) << 8) \| (min))	161	# define makedev(maj,min) (((maj) << 8) \| (min))
154	#endif	162	#endif
…		…
160	#endif	168	#endif
161		169
162	#if PAGESIZE <= 0	170	#if PAGESIZE <= 0
163	# define PAGESIZE sysconf (_SC_PAGESIZE)	171	# define PAGESIZE sysconf (_SC_PAGESIZE)
164	#endif	172	#endif
		173
		174	/*****************************************************************************/
		175
		176	#if !_POSIX_MAPPED_FILES
		177	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
		178	# define munmap(addr,length) EIO_ENOSYS ()
		179	#endif
		180
		181	#if !_POSIX_MEMORY_PROTECTION
		182	# define mprotect(addr,len,prot) EIO_ENOSYS ()
		183	#endif
		184
		185	#define FOREIGN_MAGIC PERL_MAGIC_ext
		186
		187	static int ecb_cold
		188	mmap_free (pTHX_ SV sv, MAGIC mg)
		189	{
		190	int old_errno = errno;
		191	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		192	errno = old_errno;
		193
		194	mg->mg_obj = 0; /* just in case */
		195
		196	SvREADONLY_off (sv);
		197
		198	if (SvPVX (sv) != mg->mg_ptr)
		199	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		200
		201	SvCUR_set (sv, 0);
		202	SvPVX (sv) = 0;
		203	SvOK_off (sv);
		204
		205	return 0;
		206	}
		207
		208	static MGVTBL mmap_vtbl = {
		209	0, 0, 0, 0, mmap_free
		210	};
		211
		212	static int ecb_cold
		213	sysfree_free (pTHX_ SV sv, MAGIC mg)
		214	{
		215	free (mg->mg_ptr);
		216	mg->mg_obj = 0; /* just in case */
		217
		218	SvREADONLY_off (sv);
		219
		220	if (SvPVX (sv) != mg->mg_ptr)
		221	croak ("ERROR: IO::AIO mapped scalar changed location, detected");
		222
		223	SvCUR_set (sv, 0);
		224	SvPVX (sv) = 0;
		225	SvOK_off (sv);
		226
		227	return 0;
		228	}
		229
		230	static MGVTBL sysfree_vtbl = {
		231	0, 0, 0, 0, sysfree_free
		232	};
		233
		234	/*****************************************************************************/
		235
		236	/* helper: set scalar to foreign ptr with custom free */
		237	static void
		238	sv_set_foreign (SV sv, const MGVTBL const vtbl, void *addr, IV length)
		239	{
		240	sv_force_normal (sv);
		241
		242	/* we store the length in mg_obj, as namlen is I32 :/ */
		243	sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
		244	->mg_obj = (SV *)length;
		245
		246	SvUPGRADE (sv, SVt_PV); /* nop... */
		247
		248	if (SvLEN (sv))
		249	Safefree (SvPVX (sv));
		250
		251	SvPVX (sv) = (char *)addr;
		252	SvCUR_set (sv, length);
		253	SvLEN_set (sv, 0);
		254	SvPOK_only (sv);
		255	}
		256
		257	static void
		258	sv_clear_foreign (SV *sv)
		259	{
		260	/* todo: iterate over magic and only free ours, but of course */
		261	/* the perl5porters will call that (correct) behaviour buggy */
		262	sv_unmagic (sv, FOREIGN_MAGIC);
		263	}
165		264
166	/*****************************************************************************/	265	/*****************************************************************************/
167		266
168	static void	267	static void
169	fiemap (eio_req *req)	268	fiemap (eio_req *req)
…		…
589	SvSETMAGIC (req->sv2);	688	SvSETMAGIC (req->sv2);
590	PUSHs (sv_result);	689	PUSHs (sv_result);
591	}	690	}
592	break;	691	break;
593		692
		693	case EIO_SLURP:
		694	{
		695	if (req->result >= 0)
		696	{
		697	/* if length was originally not known, we steal the malloc'ed memory */
		698	if (req->flags & EIO_FLAG_PTR2_FREE)
		699	{
		700	req->flags &= ~EIO_FLAG_PTR2_FREE;
		701	sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
		702	}
		703	else
		704	SvCUR_set (req->sv2, req->result);
		705	}
		706
		707	PUSHs (sv_result);
		708	}
		709	break;
		710
594	case EIO_CUSTOM:	711	case EIO_CUSTOM:
595	if (req->feed == fiemap)	712	if (req->feed == fiemap)
596	{	713	{
597	#if HAVE_FIEMAP	714	#if HAVE_FIEMAP
598	if (!req->result)	715	if (!req->result)
…		…
703	{	820	{
704	while (eio_nreqs ())	821	while (eio_nreqs ())
705	{	822	{
706	int size;	823	int size;
707		824
708	X_LOCK (reslock);	825	X_LOCK (EIO_POOL->reslock);
709	size = res_queue.size;	826	size = EIO_POOL->res_queue.size;
710	X_UNLOCK (reslock);	827	X_UNLOCK (EIO_POOL->reslock);
711		828
712	if (size)	829	if (size)
713	return;	830	return;
714		831
715	etp_maybe_start_thread ();	832	etp_maybe_start_thread (EIO_POOL);
716		833
717	s_epipe_wait (&respipe);	834	s_epipe_wait (&respipe);
718	}	835	}
719	}	836	}
720		837
…		…
741	create_respipe ();	858	create_respipe ();
742		859
743	if (eio_init (want_poll, done_poll) < 0)	860	if (eio_init (want_poll, done_poll) < 0)
744	croak ("IO::AIO: unable to initialise eio library");	861	croak ("IO::AIO: unable to initialise eio library");
745	}	862	}
746
747	/*****************************************************************************/
748
749	#if !_POSIX_MAPPED_FILES
750	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
751	# define munmap(addr,length) EIO_ENOSYS ()
752	#endif
753
754	#if !_POSIX_MEMORY_PROTECTION
755	# define mprotect(addr,len,prot) EIO_ENOSYS ()
756	# define PROT_NONE 0
757	# define PROT_WRITE 0
758	# define MAP_PRIVATE 0
759	# define MAP_SHARED 0
760	# define MAP_FIXED 0
761	#endif
762
763	#define MMAP_MAGIC PERL_MAGIC_ext
764
765	static int ecb_cold
766	mmap_free (pTHX_ SV sv, MAGIC mg)
767	{
768	int old_errno = errno;
769	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
770	errno = old_errno;
771
772	mg->mg_obj = 0; /* just in case */
773
774	SvREADONLY_off (sv);
775
776	if (SvPVX (sv) != mg->mg_ptr)
777	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
778
779	SvCUR_set (sv, 0);
780	SvPVX (sv) = 0;
781	SvOK_off (sv);
782
783	return 0;
784	}
785
786	static MGVTBL mmap_vtbl = {
787	0, 0, 0, 0, mmap_free
788	};
789		863
790	/*****************************************************************************/	864	/*****************************************************************************/
791		865
792	static SV *	866	static SV *
793	get_cb (SV *cb_sv)	867	get_cb (SV *cb_sv)
…		…
905	} *civ, const_iv[] = {	979	} *civ, const_iv[] = {
906	# define const_niv(name, value) { # name, (IV) value },	980	# define const_niv(name, value) { # name, (IV) value },
907	# define const_iv(name) { # name, (IV) name },	981	# define const_iv(name) { # name, (IV) name },
908	# define const_eio(name) { # name, (IV) EIO_ ## name },	982	# define const_eio(name) { # name, (IV) EIO_ ## name },
909		983
910	/* you have to re-run ./gendef0 after adding/Removing any constants here */	984	/* you have to re-run ./gendef0 after adding/removing any constants here */
911		985	/* the first block can be undef if missing */
912	const_iv (ENOSYS)	986	const_iv (ENOSYS)
913	const_iv (EXDEV)	987	const_iv (EXDEV)
914	const_iv (EBADR)	988	const_iv (EBADR)
915		989
		990	/* for lseek */
		991	const_iv (SEEK_DATA)
		992	const_iv (SEEK_HOLE)
		993
		994	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
		995	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		996	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
		997	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		998	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		999	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		1000
		1001	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		1002	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		1003	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		1004	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		1005	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		1006
		1007	/* the second block will be 0 when missing */
916	const_iv (O_RDONLY)	1008	const_iv (O_RDONLY)
917	const_iv (O_WRONLY)	1009	const_iv (O_WRONLY)
918	const_iv (O_RDWR)	1010	const_iv (O_RDWR)
919	const_iv (O_CREAT)	1011	const_iv (O_CREAT)
920	const_iv (O_TRUNC)	1012	const_iv (O_TRUNC)
…		…
933	const_iv (O_SEARCH)	1025	const_iv (O_SEARCH)
934	const_iv (O_DIRECTORY)	1026	const_iv (O_DIRECTORY)
935	const_iv (O_DSYNC)	1027	const_iv (O_DSYNC)
936	const_iv (O_RSYNC)	1028	const_iv (O_RSYNC)
937	const_iv (O_SYNC)	1029	const_iv (O_SYNC)
		1030	const_iv (O_PATH)
		1031	const_iv (O_TMPFILE)
938	const_iv (O_TTY_INIT)	1032	const_iv (O_TTY_INIT)
939		1033
940	const_iv (S_IFIFO)	1034	const_iv (S_IFIFO)
941	const_iv (S_IFCHR)	1035	const_iv (S_IFCHR)
942	const_iv (S_IFBLK)	1036	const_iv (S_IFBLK)
…		…
944	const_iv (S_IFREG)	1038	const_iv (S_IFREG)
945	const_iv (S_IFDIR)	1039	const_iv (S_IFDIR)
946	const_iv (S_IFWHT)	1040	const_iv (S_IFWHT)
947	const_iv (S_IFSOCK)	1041	const_iv (S_IFSOCK)
948	const_iv (S_IFMT)	1042	const_iv (S_IFMT)
949
950	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
951	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
952	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
953	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
954	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
955	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
956
957	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
958	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
959	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
960	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
961	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
962		1043
963	const_iv (ST_RDONLY)	1044	const_iv (ST_RDONLY)
964	const_iv (ST_NOSUID)	1045	const_iv (ST_NOSUID)
965	const_iv (ST_NODEV)	1046	const_iv (ST_NODEV)
966	const_iv (ST_NOEXEC)	1047	const_iv (ST_NOEXEC)
…		…
976	const_iv (PROT_NONE)	1057	const_iv (PROT_NONE)
977	const_iv (PROT_EXEC)	1058	const_iv (PROT_EXEC)
978	const_iv (PROT_READ)	1059	const_iv (PROT_READ)
979	const_iv (PROT_WRITE)	1060	const_iv (PROT_WRITE)
980		1061
981	/const_iv (MAP_FIXED)/
982	const_iv (MAP_PRIVATE)	1062	const_iv (MAP_PRIVATE)
983	const_iv (MAP_SHARED)	1063	const_iv (MAP_SHARED)
		1064	const_iv (MAP_FIXED)
984	const_iv (MAP_ANONYMOUS)	1065	const_iv (MAP_ANONYMOUS)
985		1066
986	/* linuxish */	1067	/* linuxish */
987	const_iv (MAP_HUGETLB)
988	const_iv (MAP_LOCKED)	1068	const_iv (MAP_LOCKED)
989	const_iv (MAP_NORESERVE)	1069	const_iv (MAP_NORESERVE)
990	const_iv (MAP_POPULATE)	1070	const_iv (MAP_POPULATE)
991	const_iv (MAP_NONBLOCK)	1071	const_iv (MAP_NONBLOCK)
		1072	const_iv (MAP_GROWSDOWN)
		1073	const_iv (MAP_32BIT)
		1074	const_iv (MAP_HUGETLB)
		1075	const_iv (MAP_STACK)
		1076
		1077	const_iv (F_DUPFD_CLOEXEC)
		1078
		1079	const_iv (F_OFD_GETLK)
		1080	const_iv (F_OFD_SETLK)
		1081	const_iv (F_OFD_GETLKW)
		1082
		1083	const_iv (FIFREEZE)
		1084	const_iv (FITHAW)
		1085	const_iv (FITRIM)
		1086	const_iv (FICLONE)
		1087	const_iv (FICLONERANGE)
		1088	const_iv (FIDEDUPERANGE)
		1089
		1090	const_iv (FS_IOC_GETFLAGS)
		1091	const_iv (FS_IOC_SETFLAGS)
		1092	const_iv (FS_IOC_GETVERSION)
		1093	const_iv (FS_IOC_SETVERSION)
		1094	const_iv (FS_IOC_FIEMAP)
		1095	const_iv (FS_IOC_FSGETXATTR)
		1096	const_iv (FS_IOC_FSSETXATTR)
		1097	const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
		1098	const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
		1099	const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
		1100
		1101	const_iv (FS_KEY_DESCRIPTOR_SIZE)
		1102
		1103	const_iv (FS_SECRM_FL)
		1104	const_iv (FS_UNRM_FL)
		1105	const_iv (FS_COMPR_FL)
		1106	const_iv (FS_SYNC_FL)
		1107	const_iv (FS_IMMUTABLE_FL)
		1108	const_iv (FS_APPEND_FL)
		1109	const_iv (FS_NODUMP_FL)
		1110	const_iv (FS_NOATIME_FL)
		1111	const_iv (FS_DIRTY_FL)
		1112	const_iv (FS_COMPRBLK_FL)
		1113	const_iv (FS_NOCOMP_FL)
		1114	const_iv (FS_ENCRYPT_FL)
		1115	const_iv (FS_BTREE_FL)
		1116	const_iv (FS_INDEX_FL)
		1117	const_iv (FS_JOURNAL_DATA_FL)
		1118	const_iv (FS_NOTAIL_FL)
		1119	const_iv (FS_DIRSYNC_FL)
		1120	const_iv (FS_TOPDIR_FL)
		1121	const_iv (FS_FL_USER_MODIFIABLE)
		1122
		1123	const_iv (FS_XFLAG_REALTIME)
		1124	const_iv (FS_XFLAG_PREALLOC)
		1125	const_iv (FS_XFLAG_IMMUTABLE)
		1126	const_iv (FS_XFLAG_APPEND)
		1127	const_iv (FS_XFLAG_SYNC)
		1128	const_iv (FS_XFLAG_NOATIME)
		1129	const_iv (FS_XFLAG_NODUMP)
		1130	const_iv (FS_XFLAG_RTINHERIT)
		1131	const_iv (FS_XFLAG_PROJINHERIT)
		1132	const_iv (FS_XFLAG_NOSYMLINKS)
		1133	const_iv (FS_XFLAG_EXTSIZE)
		1134	const_iv (FS_XFLAG_EXTSZINHERIT)
		1135	const_iv (FS_XFLAG_NODEFRAG)
		1136	const_iv (FS_XFLAG_FILESTREAM)
		1137	const_iv (FS_XFLAG_DAX)
		1138	const_iv (FS_XFLAG_HASATTR)
992		1139
993	const_iv (FIEMAP_FLAG_SYNC)	1140	const_iv (FIEMAP_FLAG_SYNC)
994	const_iv (FIEMAP_FLAG_XATTR)	1141	const_iv (FIEMAP_FLAG_XATTR)
995	const_iv (FIEMAP_FLAGS_COMPAT)	1142	const_iv (FIEMAP_FLAGS_COMPAT)
996	const_iv (FIEMAP_EXTENT_LAST)	1143	const_iv (FIEMAP_EXTENT_LAST)
…		…
1008	const_iv (SPLICE_F_MOVE)	1155	const_iv (SPLICE_F_MOVE)
1009	const_iv (SPLICE_F_NONBLOCK)	1156	const_iv (SPLICE_F_NONBLOCK)
1010	const_iv (SPLICE_F_MORE)	1157	const_iv (SPLICE_F_MORE)
1011	const_iv (SPLICE_F_GIFT)	1158	const_iv (SPLICE_F_GIFT)
1012		1159
1013	const_iv (SEEK_DATA)	1160	/* these are libeio constants, and are independent of gendef0 */
1014	const_iv (SEEK_HOLE)
1015
1016	/* libeio constants */
1017	const_eio (SEEK_SET)	1161	const_eio (SEEK_SET)
1018	const_eio (SEEK_CUR)	1162	const_eio (SEEK_CUR)
1019	const_eio (SEEK_END)	1163	const_eio (SEEK_END)
1020		1164
1021	const_eio (MCL_FUTURE)	1165	const_eio (MCL_FUTURE)
…		…
1033		1177
1034	const_eio (FALLOC_FL_KEEP_SIZE)	1178	const_eio (FALLOC_FL_KEEP_SIZE)
1035	const_eio (FALLOC_FL_PUNCH_HOLE)	1179	const_eio (FALLOC_FL_PUNCH_HOLE)
1036	const_eio (FALLOC_FL_COLLAPSE_RANGE)	1180	const_eio (FALLOC_FL_COLLAPSE_RANGE)
1037	const_eio (FALLOC_FL_ZERO_RANGE)	1181	const_eio (FALLOC_FL_ZERO_RANGE)
		1182	const_eio (FALLOC_FL_INSERT_RANGE)
		1183	const_eio (FALLOC_FL_UNSHARE_RANGE)
		1184
		1185	const_eio (RENAME_NOREPLACE)
		1186	const_eio (RENAME_EXCHANGE)
		1187	const_eio (RENAME_WHITEOUT)
1038		1188
1039	const_eio (READDIR_DENTS)	1189	const_eio (READDIR_DENTS)
1040	const_eio (READDIR_DIRS_FIRST)	1190	const_eio (READDIR_DIRS_FIRST)
1041	const_eio (READDIR_STAT_ORDER)	1191	const_eio (READDIR_STAT_ORDER)
1042	const_eio (READDIR_FOUND_UNKNOWN)	1192	const_eio (READDIR_FOUND_UNKNOWN)
…		…
1265	}	1415	}
1266	else	1416	else
1267	{	1417	{
1268	/* read: check type and grow scalar as necessary */	1418	/* read: check type and grow scalar as necessary */
1269	if (!SvPOK (data) \|\| SvLEN (data) >= SvCUR (data))	1419	if (!SvPOK (data) \|\| SvLEN (data) >= SvCUR (data))
1270	svptr = sv_grow (data, len + dataoffset + 1);	1420	svptr = sv_grow (data, len + dataoffset);
1271	else if (SvCUR (data) < len + dataoffset)	1421	else if (SvCUR (data) < len + dataoffset)
1272	croak ("length + dataoffset outside of scalar, and cannot grow");	1422	croak ("length + dataoffset outside of scalar, and cannot grow");
1273	}	1423	}
1274		1424
1275	{	1425	{
…		…
1293	REQ_SEND;	1443	REQ_SEND;
1294	}	1444	}
1295	}	1445	}
1296		1446
1297	void	1447	void
		1448	aio_ioctl (SV fh, unsigned long request, SV8 arg, SV *callback = &PL_sv_undef)
		1449	ALIAS:
		1450	aio_ioctl = EIO_IOCTL
		1451	aio_fcntl = EIO_FCNTL
		1452	PPCODE:
		1453	{
		1454	int fd = s_fileno_croak (fh, 0);
		1455	char *svptr;
		1456
		1457	if (SvPOK (arg) \|\| !SvNIOK (arg))
		1458	{
		1459	STRLEN svlen;
		1460	/* perl uses IOCPARM_LEN for fcntl, so we do, too */
		1461	#ifdef IOCPARM_LEN
		1462	STRLEN need = IOCPARM_LEN (request);
		1463	#else
		1464	STRLEN need = 256;
		1465	#endif
		1466
		1467	if (svlen < need)
		1468	svptr = SvGROW (arg, need);
		1469	}
		1470	else
		1471	svptr = (char *)SvIV (arg);
		1472
		1473	{
		1474	dREQ;
		1475
		1476	req->type = ix;
		1477	req->sv1 = newSVsv (fh);
		1478	req->int1 = fd;
		1479	req->int2 = (long)request;
		1480	req->sv2 = SvREFCNT_inc (arg);
		1481	req->ptr2 = svptr;
		1482
		1483	REQ_SEND;
		1484	}
		1485	}
		1486
		1487	void
1298	aio_readlink (SV8 pathname, SV callback = &PL_sv_undef)	1488	aio_readlink (SV8 pathname, SV callback = &PL_sv_undef)
1299	ALIAS:	1489	ALIAS:
1300	aio_readlink = EIO_READLINK	1490	aio_readlink = EIO_READLINK
1301	aio_realpath = EIO_REALPATH	1491	aio_realpath = EIO_REALPATH
1302	PPCODE:	1492	PPCODE:
…		…
1362	UV	1552	UV
1363	major (UV dev)	1553	major (UV dev)
1364	ALIAS:	1554	ALIAS:
1365	minor = 1	1555	minor = 1
1366	CODE:	1556	CODE:
1367	RETVAL = ix ? major (dev) : minor (dev);	1557	RETVAL = ix ? minor (dev) : major (dev);
1368	OUTPUT:	1558	OUTPUT:
1369	RETVAL	1559	RETVAL
1370		1560
1371	UV	1561	UV
1372	makedev (UV maj, UV min)	1562	makedev (UV maj, UV min)
…		…
1489		1679
1490	REQ_SEND;	1680	REQ_SEND;
1491	}	1681	}
1492		1682
1493	void	1683	void
		1684	aio_rename2 (SV8 oldpath, SV8 newpath, int flags = 0, SV *callback = &PL_sv_undef)
		1685	PPCODE:
		1686	{
		1687	eio_wd wd2 = 0;
		1688	dREQ;
		1689
		1690	req->type = EIO_RENAME;
		1691	req_set_path1 (req, oldpath);
		1692	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
		1693	req->int2 = flags;
		1694	req->int3 = (long)wd2;
		1695
		1696	REQ_SEND;
		1697	}
		1698
		1699	void
1494	aio_mknod (SV8 pathname, int mode, UV dev, SV callback = &PL_sv_undef)	1700	aio_mknod (SV8 pathname, int mode, UV dev, SV callback = &PL_sv_undef)
1495	PPCODE:	1701	PPCODE:
1496	{	1702	{
1497	dREQ;	1703	dREQ;
1498		1704
…		…
1503		1709
1504	REQ_SEND;	1710	REQ_SEND;
1505	}	1711	}
1506		1712
1507	void	1713	void
1508	aio_mtouch (SV8 data, IV offset = 0, SV length = &PL_sv_undef, int flags = 0, SV *callback = &PL_sv_undef)	1714	aio_mtouch (SV8 data, IV offset = 0, SV length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1509	ALIAS:	1715	ALIAS:
1510	aio_mtouch = EIO_MTOUCH	1716	aio_mtouch = EIO_MTOUCH
1511	aio_msync = EIO_MSYNC	1717	aio_msync = EIO_MSYNC
1512	PPCODE:	1718	PPCODE:
1513	{	1719	{
1514	STRLEN svlen;	1720	STRLEN svlen;
1515	char *svptr = SvPVbyte (data, svlen);	1721	char *svptr = SvPVbyte (data, svlen);
1516	UV len = SvUV (length);	1722	UV len = SvUV (length);
		1723
		1724	if (flags < 0)
		1725	flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1517		1726
1518	if (offset < 0)	1727	if (offset < 0)
1519	offset += svlen;	1728	offset += svlen;
1520		1729
1521	if (offset < 0 \|\| offset > svlen)	1730	if (offset < 0 \|\| offset > svlen)
…		…
1597	req->int2 = flags;	1806	req->int2 = flags;
1598	req->int3 = SvOK (count) ? SvIV (count) : -1;	1807	req->int3 = SvOK (count) ? SvIV (count) : -1;
1599	#endif	1808	#endif
1600		1809
1601	REQ_SEND;	1810	REQ_SEND;
		1811	}
		1812
		1813	void
		1814	aio_slurp (SV pathname, off_t offset, UV length, SV8 data, SV *callback = &PL_sv_undef)
		1815	PPCODE:
		1816	{
		1817	char *svptr = 0;
		1818
		1819	sv_clear_foreign (data);
		1820
		1821	if (length) /* known length, directly read into scalar */
		1822	{
		1823	if (!SvPOK (data) \|\| SvLEN (data) >= SvCUR (data))
		1824	svptr = sv_grow (data, length);
		1825	else if (SvCUR (data) < length)
		1826	croak ("length outside of scalar, and cannot grow");
		1827	else
		1828	svptr = SvPVbyte_nolen (data);
		1829	}
		1830
		1831	{
		1832	dREQ;
		1833
		1834	req->type = EIO_SLURP;
		1835	req_set_path1 (req, pathname);
		1836	req->offs = offset;
		1837	req->size = length;
		1838	req->sv2 = SvREFCNT_inc (data);
		1839	req->ptr2 = svptr;
		1840
		1841	if (!SvREADONLY (data))
		1842	{
		1843	SvREADONLY_on (data);
		1844	req->flags \|= FLAG_SV2_RO_OFF;
		1845	}
		1846
		1847	REQ_SEND;
		1848	}
1602	}	1849	}
1603		1850
1604	void	1851	void
1605	aio_busy (double delay, SV *callback = &PL_sv_undef)	1852	aio_busy (double delay, SV *callback = &PL_sv_undef)
1606	PPCODE:	1853	PPCODE:
…		…
1743	RETVAL	1990	RETVAL
1744		1991
1745	void	1992	void
1746	mmap (SV scalar, STRLEN length, int prot, int flags, SV fh = &PL_sv_undef, off_t offset = 0)	1993	mmap (SV scalar, STRLEN length, int prot, int flags, SV fh = &PL_sv_undef, off_t offset = 0)
1747	PPCODE:	1994	PPCODE:
1748	sv_unmagic (scalar, MMAP_MAGIC);	1995	sv_clear_foreign (scalar);
1749	{	1996	{
1750	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	1997	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1751	void addr = (void )mmap (0, length, prot, flags, fd, offset);	1998	void addr = (void )mmap (0, length, prot, flags, fd, offset);
1752	if (addr == (void *)-1)	1999	if (addr == (void *)-1)
1753	XSRETURN_NO;	2000	XSRETURN_NO;
1754		2001
1755	sv_force_normal (scalar);	2002	sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1756
1757	/* we store the length in mg_obj, as namlen is I32 :/ */
1758	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1759	->mg_obj = (SV *)length;
1760
1761	SvUPGRADE (scalar, SVt_PV); /* nop... */
1762		2003
1763	if (!(prot & PROT_WRITE))	2004	if (!(prot & PROT_WRITE))
1764	SvREADONLY_on (scalar);	2005	SvREADONLY_on (scalar);
1765		2006
1766	if (SvLEN (scalar))
1767	Safefree (SvPVX (scalar));
1768
1769	SvPVX (scalar) = (char *)addr;
1770	SvCUR_set (scalar, length);
1771	SvLEN_set (scalar, 0);
1772	SvPOK_only (scalar);
1773
1774	XSRETURN_YES;	2007	XSRETURN_YES;
1775	}	2008	}
1776		2009
1777	void	2010	void
1778	munmap (SV *scalar)	2011	munmap (SV *scalar)
1779	CODE:	2012	CODE:
1780	sv_unmagic (scalar, MMAP_MAGIC);	2013	sv_clear_foreign (scalar);
1781		2014
1782	int	2015	int
1783	madvise (SV scalar, STRLEN offset = 0, SV length = &PL_sv_undef, IV advice_or_prot)	2016	madvise (SV scalar, STRLEN offset = 0, SV length = &PL_sv_undef, IV advice_or_prot)
1784	ALIAS:	2017	ALIAS:
1785	mprotect = 1	2018	mprotect = 1
…		…
1915	{	2148	{
1916	EXTEND (SP, 2);	2149	EXTEND (SP, 2);
1917	PUSHs (newmortalFH (fd[0], O_RDONLY));	2150	PUSHs (newmortalFH (fd[0], O_RDONLY));
1918	PUSHs (newmortalFH (fd[1], O_WRONLY));	2151	PUSHs (newmortalFH (fd[1], O_WRONLY));
1919	}	2152	}
		2153	}
		2154
		2155	UV
		2156	get_fdlimit ()
		2157	CODE:
		2158	#if HAVE_RLIMITS
		2159	struct rlimit rl;
		2160	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2161	XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
		2162	#endif
		2163	XSRETURN_UNDEF;
		2164	OUTPUT:
		2165	RETVAL
		2166
		2167	void
		2168	min_fdlimit (UV limit = 0x7fffffffU)
		2169	CODE:
		2170	{
		2171	#if HAVE_RLIMITS
		2172	struct rlimit rl;
		2173	rlim_t orig_rlim_max;
		2174	UV bit;
		2175
		2176	if (0 != getrlimit (RLIMIT_NOFILE, &rl))
		2177	goto fail;
		2178
		2179	if (rl.rlim_cur == RLIM_INFINITY)
		2180	XSRETURN_YES;
		2181
		2182	orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
		2183
		2184	if (rl.rlim_cur < limit)
		2185	{
		2186	rl.rlim_cur = limit;
		2187
		2188	if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
		2189	rl.rlim_max = rl.rlim_cur;
		2190	}
		2191
		2192	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2193	XSRETURN_YES;
		2194
		2195	if (errno == EPERM)
		2196	{
		2197	/* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
		2198	/* our limit overflows a system-wide limit */
		2199	/* try an adaptive algorithm, but do not lower the hardlimit */
		2200	rl.rlim_max = 0;
		2201	for (bit = 0x40000000U; bit; bit >>= 1)
		2202	{
		2203	rl.rlim_max \|= bit;
		2204	rl.rlim_cur = rl.rlim_max;
		2205
		2206	/* nevr decrease the hard limit */
		2207	if (rl.rlim_max < orig_rlim_max)
		2208	break;
		2209
		2210	if (0 != setrlimit (RLIMIT_NOFILE, &rl))
		2211	rl.rlim_max &= ~bit; /* too high, remove bit again */
		2212	}
		2213
		2214	/* now, raise the soft limit to the max permitted */
		2215	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2216	{
		2217	rl.rlim_cur = rl.rlim_max;
		2218	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2219	errno = EPERM;
		2220	}
		2221	}
		2222	#endif
		2223	fail:
		2224	XSRETURN_UNDEF;
1920	}	2225	}
1921		2226
1922	void _on_next_submit (SV *cb)	2227	void _on_next_submit (SV *cb)
1923	CODE:	2228	CODE:
1924	SvREFCNT_dec (on_next_submit);	2229	SvREFCNT_dec (on_next_submit);

Diff Legend

-–
+Removed lines
-+
+Added lines
-<
+Changed lines
->
+Changed lines

Comparing IO-AIO/AIO.xs (file contents): Revision 1.233 by root, Thu Jun 25 13:34:28 2015 UTC vs. Revision 1.251 by root, Sat Jan 6 01:04:42 2018 UTC

Diff Legend

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.233 by root, Thu Jun 25 13:34:28 2015 UTC vs.
Revision 1.251 by root, Sat Jan 6 01:04:42 2018 UTC