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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.234 by root, Thu Jun 25 15:20:11 2015 UTC vs.
Revision 1.261 by root, Tue Jul 24 19:32:20 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>
		17	#include <sys/socket.h>
15	#include <sys/stat.h>	18	#include <sys/stat.h>
16	#include <limits.h>	19	#include <limits.h>
17	#include <fcntl.h>	20	#include <fcntl.h>
18	#include <sched.h>	21	#include <sched.h>
19		22
…		…
21	# include <sys/mman.h>	24	# include <sys/mman.h>
22	#endif	25	#endif
23		26
24	/* the incompetent fool that created musl keeps __linux__, refuses	27	/* the incompetent fool that created musl keeps __linux__, refuses
25	* to implement any linux standard apis, and also has no way to test	28	* 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.	29	* for his broken iplementation. don't complain to me if this fails
		30	* for you.
27	*/	31	*/
28	#if __linux__ && (defined __GLIBC__ \|\| defined __UCLIBC__)	32	#if __linux__ && (defined __GLIBC__ \|\| defined __UCLIBC__)
29	# include <linux/fs.h>	33	# include <linux/fs.h>
30	# ifdef FS_IOC_FIEMAP	34	# ifdef FS_IOC_FIEMAP
31	# include <linux/types.h>	35	# include <linux/types.h>
…		…
103	#define expect_false(expr) expect ((expr) != 0, 0)	107	#define expect_false(expr) expect ((expr) != 0, 0)
104	#define expect_true(expr) expect ((expr) != 0, 1)	108	#define expect_true(expr) expect ((expr) != 0, 1)
105		109
106	/*****************************************************************************/	110	/*****************************************************************************/
107		111
		112	#include "libeio/config.h"
		113
		114	#include "schmorp.h"
		115
		116	#if HAVE_EVENTFD
		117	# include <sys/eventfd.h>
		118	#endif
		119
		120	#if HAVE_TIMERFD
		121	# include <sys/timerfd.h>
		122	#endif
		123
		124	#if HAVE_RLIMITS
		125	#include <sys/time.h>
		126	#include <sys/resource.h>
		127	#endif
		128
108	typedef SV SV8; /* byte-sv, used for argument-checking */	129	typedef SV SV8; /* byte-sv, used for argument-checking */
109	typedef int aio_rfd; /* read file desriptor */	130	typedef int aio_rfd; /* read file desriptor */
110	typedef int aio_wfd; /* write file descriptor */	131	typedef int aio_wfd; /* write file descriptor */
111		132
112	static HV aio_stash, aio_req_stash, aio_grp_stash, aio_wd_stash;	133	static HV aio_stash, aio_req_stash, aio_grp_stash, aio_wd_stash;
…		…
118	STRLEN stroffset; \	139	STRLEN stroffset; \
119	SV *self;	140	SV *self;
120		141
121	#define EIO_NO_WRAPPERS 1	142	#define EIO_NO_WRAPPERS 1
122		143
123	#include "libeio/config.h"
124	#include "libeio/eio.h"	144	#include "libeio/eio.h"
125		145
126	static int req_invoke (eio_req *req);	146	static int req_invoke (eio_req *req);
127	#define EIO_FINISH(req) req_invoke (req)	147	#define EIO_FINISH(req) req_invoke (req)
128	static void req_destroy (eio_req *grp);	148	static void req_destroy (eio_req *grp);
…		…
144	# else	164	# else
145	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	165	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
146	# endif	166	# endif
147	#endif	167	#endif
148		168
149	/* defines all sorts of constants to 0 unless they are already defined */
150	#include "def0.h"
151
152	#ifndef makedev	169	#ifndef makedev
153	# define makedev(maj,min) (((maj) << 8) \| (min))	170	# define makedev(maj,min) (((maj) << 8) \| (min))
154	#endif	171	#endif
155	#ifndef major	172	#ifndef major
156	# define major(dev) ((dev) >> 8)	173	# define major(dev) ((dev) >> 8)
…		…
160	#endif	177	#endif
161		178
162	#if PAGESIZE <= 0	179	#if PAGESIZE <= 0
163	# define PAGESIZE sysconf (_SC_PAGESIZE)	180	# define PAGESIZE sysconf (_SC_PAGESIZE)
164	#endif	181	#endif
		182
		183	/*****************************************************************************/
		184
		185	#if !_POSIX_MAPPED_FILES
		186	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
		187	# define munmap(addr,length) EIO_ENOSYS ()
		188	#endif
		189
		190	#if !_POSIX_MEMORY_PROTECTION
		191	# define mprotect(addr,len,prot) EIO_ENOSYS ()
		192	#endif
		193
		194	#if !MREMAP_MAYMOVE
		195	# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
		196	#endif
		197
		198	#define FOREIGN_MAGIC PERL_MAGIC_ext
		199
		200	static int ecb_cold
		201	mmap_free (pTHX_ SV sv, MAGIC mg)
		202	{
		203	int old_errno = errno;
		204	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		205	errno = old_errno;
		206
		207	mg->mg_obj = 0; /* just in case */
		208
		209	SvREADONLY_off (sv);
		210
		211	if (SvPVX (sv) != mg->mg_ptr)
		212	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		213
		214	SvCUR_set (sv, 0);
		215	SvPVX (sv) = 0;
		216	SvOK_off (sv);
		217
		218	return 0;
		219	}
		220
		221	static MGVTBL mmap_vtbl = {
		222	0, 0, 0, 0, mmap_free
		223	};
		224
		225	static int ecb_cold
		226	sysfree_free (pTHX_ SV sv, MAGIC mg)
		227	{
		228	free (mg->mg_ptr);
		229	mg->mg_obj = 0; /* just in case */
		230
		231	SvREADONLY_off (sv);
		232
		233	if (SvPVX (sv) != mg->mg_ptr)
		234	croak ("ERROR: IO::AIO mapped scalar changed location, detected");
		235
		236	SvCUR_set (sv, 0);
		237	SvPVX (sv) = 0;
		238	SvOK_off (sv);
		239
		240	return 0;
		241	}
		242
		243	static MGVTBL sysfree_vtbl = {
		244	0, 0, 0, 0, sysfree_free
		245	};
		246
		247	/*****************************************************************************/
		248
		249	/* helper: set scalar to foreign ptr with custom free */
		250	static void
		251	sv_set_foreign (SV sv, const MGVTBL const vtbl, void *addr, IV length)
		252	{
		253	sv_force_normal (sv);
		254
		255	/* we store the length in mg_obj, as namlen is I32 :/ */
		256	sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
		257	->mg_obj = (SV *)length;
		258
		259	SvUPGRADE (sv, SVt_PV); /* nop... */
		260
		261	if (SvLEN (sv))
		262	Safefree (SvPVX (sv));
		263
		264	SvPVX (sv) = (char *)addr;
		265	SvCUR_set (sv, length);
		266	SvLEN_set (sv, 0);
		267	SvPOK_only (sv);
		268	}
		269
		270	static void
		271	sv_clear_foreign (SV *sv)
		272	{
		273	/* todo: iterate over magic and only free ours, but of course */
		274	/* the perl5porters will call that (correct) behaviour buggy */
		275	sv_unmagic (sv, FOREIGN_MAGIC);
		276	}
		277
		278	/*****************************************************************************/
		279
		280	/* defines all sorts of constants to 0 unless they are already defined */
		281	/* also provides const_iv_ and const_niv_ macros for them */
		282	#include "def0.h"
165		283
166	/*****************************************************************************/	284	/*****************************************************************************/
167		285
168	static void	286	static void
169	fiemap (eio_req *req)	287	fiemap (eio_req *req)
…		…
589	SvSETMAGIC (req->sv2);	707	SvSETMAGIC (req->sv2);
590	PUSHs (sv_result);	708	PUSHs (sv_result);
591	}	709	}
592	break;	710	break;
593		711
		712	case EIO_SLURP:
		713	{
		714	if (req->result >= 0)
		715	{
		716	/* if length was originally not known, we steal the malloc'ed memory */
		717	if (req->flags & EIO_FLAG_PTR2_FREE)
		718	{
		719	req->flags &= ~EIO_FLAG_PTR2_FREE;
		720	sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
		721	}
		722	else
		723	{
		724	SvCUR_set (req->sv2, req->result);
		725	*SvEND (req->sv2) = 0;
		726	SvPOK_only (req->sv2);
		727	}
		728
		729	SvSETMAGIC (req->sv2);
		730	}
		731
		732	PUSHs (sv_result);
		733	}
		734	break;
		735
594	case EIO_CUSTOM:	736	case EIO_CUSTOM:
595	if (req->feed == fiemap)	737	if (req->feed == fiemap)
596	{	738	{
597	#if HAVE_FIEMAP	739	#if HAVE_FIEMAP
598	if (!req->result)	740	if (!req->result)
…		…
703	{	845	{
704	while (eio_nreqs ())	846	while (eio_nreqs ())
705	{	847	{
706	int size;	848	int size;
707		849
708	X_LOCK (reslock);	850	X_LOCK (EIO_POOL->reslock);
709	size = res_queue.size;	851	size = EIO_POOL->res_queue.size;
710	X_UNLOCK (reslock);	852	X_UNLOCK (EIO_POOL->reslock);
711		853
712	if (size)	854	if (size)
713	return;	855	return;
714		856
715	etp_maybe_start_thread ();	857	etp_maybe_start_thread (EIO_POOL);
716		858
717	s_epipe_wait (&respipe);	859	s_epipe_wait (&respipe);
718	}	860	}
719	}	861	}
720		862
…		…
741	create_respipe ();	883	create_respipe ();
742		884
743	if (eio_init (want_poll, done_poll) < 0)	885	if (eio_init (want_poll, done_poll) < 0)
744	croak ("IO::AIO: unable to initialise eio library");	886	croak ("IO::AIO: unable to initialise eio library");
745	}	887	}
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		888
790	/*****************************************************************************/	889	/*****************************************************************************/
791		890
792	static SV *	891	static SV *
793	get_cb (SV *cb_sv)	892	get_cb (SV *cb_sv)
…		…
889	req_set_path1 (req, fh_or_path);	988	req_set_path1 (req, fh_or_path);
890	break;	989	break;
891	}	990	}
892	}	991	}
893		992
		993	/*****************************************************************************/
		994
		995	static void
		996	ts_set (struct timespec *ts, NV value)
		997	{
		998	ts->tv_sec = value;
		999	ts->tv_nsec = (value - ts->tv_sec) * 1e9;
		1000	}
		1001
		1002	static NV
		1003	ts_get (const struct timespec *ts)
		1004	{
		1005	return ts->tv_sec + ts->tv_nsec * 1e-9;
		1006	}
		1007
		1008	/*****************************************************************************/
		1009
894	XS(boot_IO__AIO) ecb_cold;	1010	XS(boot_IO__AIO) ecb_cold;
895		1011
896	MODULE = IO::AIO PACKAGE = IO::AIO	1012	MODULE = IO::AIO PACKAGE = IO::AIO
897		1013
898	PROTOTYPES: ENABLE	1014	PROTOTYPES: ENABLE
…		…
905	} *civ, const_iv[] = {	1021	} *civ, const_iv[] = {
906	# define const_niv(name, value) { # name, (IV) value },	1022	# define const_niv(name, value) { # name, (IV) value },
907	# define const_iv(name) { # name, (IV) name },	1023	# define const_iv(name) { # name, (IV) name },
908	# define const_eio(name) { # name, (IV) EIO_ ## name },	1024	# define const_eio(name) { # name, (IV) EIO_ ## name },
909		1025
910	/* you have to re-run ./gendef0 after adding/Removing any constants here */	1026	/* you have to re-run ./gendef0 after adding/removing any constants here */
911		1027	/* the first block can be undef if missing */
912	const_iv (ENOSYS)	1028	const_iv (ENOSYS)
913	const_iv (EXDEV)	1029	const_iv (EXDEV)
914	const_iv (EBADR)	1030	const_iv (EBADR)
		1031
		1032	/* for lseek */
		1033	const_iv (SEEK_DATA)
		1034	const_iv (SEEK_HOLE)
		1035
		1036	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
		1037	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		1038	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
		1039	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		1040	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		1041	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		1042
		1043	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		1044	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		1045	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		1046	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		1047	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		1048
		1049	/* the second block will be 0 when missing */
		1050	const_iv (O_ACCMODE)
915		1051
916	const_iv (O_RDONLY)	1052	const_iv (O_RDONLY)
917	const_iv (O_WRONLY)	1053	const_iv (O_WRONLY)
918	const_iv (O_RDWR)	1054	const_iv (O_RDWR)
919	const_iv (O_CREAT)	1055	const_iv (O_CREAT)
…		…
947	const_iv (S_IFDIR)	1083	const_iv (S_IFDIR)
948	const_iv (S_IFWHT)	1084	const_iv (S_IFWHT)
949	const_iv (S_IFSOCK)	1085	const_iv (S_IFSOCK)
950	const_iv (S_IFMT)	1086	const_iv (S_IFMT)
951		1087
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
965	const_iv (ST_RDONLY)	1088	const_iv (ST_RDONLY)
966	const_iv (ST_NOSUID)	1089	const_iv (ST_NOSUID)
967	const_iv (ST_NODEV)	1090	const_iv (ST_NODEV)
968	const_iv (ST_NOEXEC)	1091	const_iv (ST_NOEXEC)
969	const_iv (ST_SYNCHRONOUS)	1092	const_iv (ST_SYNCHRONOUS)
…		…
978	const_iv (PROT_NONE)	1101	const_iv (PROT_NONE)
979	const_iv (PROT_EXEC)	1102	const_iv (PROT_EXEC)
980	const_iv (PROT_READ)	1103	const_iv (PROT_READ)
981	const_iv (PROT_WRITE)	1104	const_iv (PROT_WRITE)
982		1105
983	/const_iv (MAP_FIXED)/
984	const_iv (MAP_PRIVATE)	1106	const_iv (MAP_PRIVATE)
985	const_iv (MAP_SHARED)	1107	const_iv (MAP_SHARED)
		1108	const_iv (MAP_FIXED)
986	const_iv (MAP_ANONYMOUS)	1109	const_iv (MAP_ANONYMOUS)
987		1110
988	/* linuxish */	1111	/* linuxish */
989	const_iv (MAP_HUGETLB)
990	const_iv (MAP_LOCKED)	1112	const_iv (MAP_LOCKED)
991	const_iv (MAP_NORESERVE)	1113	const_iv (MAP_NORESERVE)
992	const_iv (MAP_POPULATE)	1114	const_iv (MAP_POPULATE)
993	const_iv (MAP_NONBLOCK)	1115	const_iv (MAP_NONBLOCK)
		1116	const_iv (MAP_GROWSDOWN)
		1117	const_iv (MAP_32BIT)
		1118	const_iv (MAP_HUGETLB)
		1119	const_iv (MAP_STACK)
		1120
		1121	const_iv (MREMAP_MAYMOVE)
		1122	const_iv (MREMAP_FIXED)
		1123
		1124	const_iv (F_DUPFD_CLOEXEC)
		1125
		1126	const_iv (MSG_CMSG_CLOEXEC)
		1127	const_iv (SOCK_CLOEXEC)
		1128
		1129	const_iv (F_OFD_GETLK)
		1130	const_iv (F_OFD_SETLK)
		1131	const_iv (F_OFD_GETLKW)
		1132
		1133	const_iv (FIFREEZE)
		1134	const_iv (FITHAW)
		1135	const_iv (FITRIM)
		1136	const_iv (FICLONE)
		1137	const_iv (FICLONERANGE)
		1138	const_iv (FIDEDUPERANGE)
		1139
		1140	const_iv (FS_IOC_GETFLAGS)
		1141	const_iv (FS_IOC_SETFLAGS)
		1142	const_iv (FS_IOC_GETVERSION)
		1143	const_iv (FS_IOC_SETVERSION)
		1144	const_iv (FS_IOC_FIEMAP)
		1145	const_iv (FS_IOC_FSGETXATTR)
		1146	const_iv (FS_IOC_FSSETXATTR)
		1147	const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
		1148	const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
		1149	const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
		1150
		1151	const_iv (FS_KEY_DESCRIPTOR_SIZE)
		1152
		1153	const_iv (FS_SECRM_FL)
		1154	const_iv (FS_UNRM_FL)
		1155	const_iv (FS_COMPR_FL)
		1156	const_iv (FS_SYNC_FL)
		1157	const_iv (FS_IMMUTABLE_FL)
		1158	const_iv (FS_APPEND_FL)
		1159	const_iv (FS_NODUMP_FL)
		1160	const_iv (FS_NOATIME_FL)
		1161	const_iv (FS_DIRTY_FL)
		1162	const_iv (FS_COMPRBLK_FL)
		1163	const_iv (FS_NOCOMP_FL)
		1164	const_iv (FS_ENCRYPT_FL)
		1165	const_iv (FS_BTREE_FL)
		1166	const_iv (FS_INDEX_FL)
		1167	const_iv (FS_JOURNAL_DATA_FL)
		1168	const_iv (FS_NOTAIL_FL)
		1169	const_iv (FS_DIRSYNC_FL)
		1170	const_iv (FS_TOPDIR_FL)
		1171	const_iv (FS_FL_USER_MODIFIABLE)
		1172
		1173	const_iv (FS_XFLAG_REALTIME)
		1174	const_iv (FS_XFLAG_PREALLOC)
		1175	const_iv (FS_XFLAG_IMMUTABLE)
		1176	const_iv (FS_XFLAG_APPEND)
		1177	const_iv (FS_XFLAG_SYNC)
		1178	const_iv (FS_XFLAG_NOATIME)
		1179	const_iv (FS_XFLAG_NODUMP)
		1180	const_iv (FS_XFLAG_RTINHERIT)
		1181	const_iv (FS_XFLAG_PROJINHERIT)
		1182	const_iv (FS_XFLAG_NOSYMLINKS)
		1183	const_iv (FS_XFLAG_EXTSIZE)
		1184	const_iv (FS_XFLAG_EXTSZINHERIT)
		1185	const_iv (FS_XFLAG_NODEFRAG)
		1186	const_iv (FS_XFLAG_FILESTREAM)
		1187	const_iv (FS_XFLAG_DAX)
		1188	const_iv (FS_XFLAG_HASATTR)
994		1189
995	const_iv (FIEMAP_FLAG_SYNC)	1190	const_iv (FIEMAP_FLAG_SYNC)
996	const_iv (FIEMAP_FLAG_XATTR)	1191	const_iv (FIEMAP_FLAG_XATTR)
997	const_iv (FIEMAP_FLAGS_COMPAT)	1192	const_iv (FIEMAP_FLAGS_COMPAT)
998	const_iv (FIEMAP_EXTENT_LAST)	1193	const_iv (FIEMAP_EXTENT_LAST)
…		…
1010	const_iv (SPLICE_F_MOVE)	1205	const_iv (SPLICE_F_MOVE)
1011	const_iv (SPLICE_F_NONBLOCK)	1206	const_iv (SPLICE_F_NONBLOCK)
1012	const_iv (SPLICE_F_MORE)	1207	const_iv (SPLICE_F_MORE)
1013	const_iv (SPLICE_F_GIFT)	1208	const_iv (SPLICE_F_GIFT)
1014		1209
1015	const_iv (SEEK_DATA)	1210	const_iv (EFD_CLOEXEC)
		1211	const_iv (EFD_NONBLOCK)
1016	const_iv (SEEK_HOLE)	1212	const_iv (EFD_SEMAPHORE)
1017		1213
1018	/* libeio constants */	1214	const_iv (CLOCK_REALTIME)
		1215	const_iv (CLOCK_MONOTONIC)
		1216	const_iv (CLOCK_BOOTTIME)
		1217	const_iv (CLOCK_REALTIME_ALARM)
		1218	const_iv (CLOCK_BOOTTIME_ALARM)
		1219
		1220	const_iv (TFD_NONBLOCK)
		1221	const_iv (TFD_CLOEXEC)
		1222
		1223	const_iv (TFD_TIMER_ABSTIME)
		1224	const_iv (TFD_TIMER_CANCEL_ON_SET)
		1225
		1226	/* these are libeio constants, and are independent of gendef0 */
1019	const_eio (SEEK_SET)	1227	const_eio (SEEK_SET)
1020	const_eio (SEEK_CUR)	1228	const_eio (SEEK_CUR)
1021	const_eio (SEEK_END)	1229	const_eio (SEEK_END)
1022		1230
1023	const_eio (MCL_FUTURE)	1231	const_eio (MCL_FUTURE)
…		…
1035		1243
1036	const_eio (FALLOC_FL_KEEP_SIZE)	1244	const_eio (FALLOC_FL_KEEP_SIZE)
1037	const_eio (FALLOC_FL_PUNCH_HOLE)	1245	const_eio (FALLOC_FL_PUNCH_HOLE)
1038	const_eio (FALLOC_FL_COLLAPSE_RANGE)	1246	const_eio (FALLOC_FL_COLLAPSE_RANGE)
1039	const_eio (FALLOC_FL_ZERO_RANGE)	1247	const_eio (FALLOC_FL_ZERO_RANGE)
		1248	const_eio (FALLOC_FL_INSERT_RANGE)
		1249	const_eio (FALLOC_FL_UNSHARE_RANGE)
		1250
		1251	const_eio (RENAME_NOREPLACE)
		1252	const_eio (RENAME_EXCHANGE)
		1253	const_eio (RENAME_WHITEOUT)
1040		1254
1041	const_eio (READDIR_DENTS)	1255	const_eio (READDIR_DENTS)
1042	const_eio (READDIR_DIRS_FIRST)	1256	const_eio (READDIR_DIRS_FIRST)
1043	const_eio (READDIR_STAT_ORDER)	1257	const_eio (READDIR_STAT_ORDER)
1044	const_eio (READDIR_FOUND_UNKNOWN)	1258	const_eio (READDIR_FOUND_UNKNOWN)
…		…
1295	REQ_SEND;	1509	REQ_SEND;
1296	}	1510	}
1297	}	1511	}
1298		1512
1299	void	1513	void
		1514	aio_ioctl (SV fh, unsigned long request, SV8 arg, SV *callback = &PL_sv_undef)
		1515	ALIAS:
		1516	aio_ioctl = EIO_IOCTL
		1517	aio_fcntl = EIO_FCNTL
		1518	PPCODE:
		1519	{
		1520	int fd = s_fileno_croak (fh, 0);
		1521	char *svptr;
		1522
		1523	if (SvPOK (arg) \|\| !SvNIOK (arg))
		1524	{
		1525	STRLEN svlen;
		1526	/* perl uses IOCPARM_LEN for fcntl, so we do, too */
		1527	#ifdef IOCPARM_LEN
		1528	STRLEN need = IOCPARM_LEN (request);
		1529	#else
		1530	STRLEN need = 256;
		1531	#endif
		1532
		1533	if (svlen < need)
		1534	svptr = SvGROW (arg, need);
		1535	}
		1536	else
		1537	svptr = (char *)SvIV (arg);
		1538
		1539	{
		1540	dREQ;
		1541
		1542	req->type = ix;
		1543	req->sv1 = newSVsv (fh);
		1544	req->int1 = fd;
		1545	req->int2 = (long)request;
		1546	req->sv2 = SvREFCNT_inc (arg);
		1547	req->ptr2 = svptr;
		1548
		1549	REQ_SEND;
		1550	}
		1551	}
		1552
		1553	void
1300	aio_readlink (SV8 pathname, SV callback = &PL_sv_undef)	1554	aio_readlink (SV8 pathname, SV callback = &PL_sv_undef)
1301	ALIAS:	1555	ALIAS:
1302	aio_readlink = EIO_READLINK	1556	aio_readlink = EIO_READLINK
1303	aio_realpath = EIO_REALPATH	1557	aio_realpath = EIO_REALPATH
1304	PPCODE:	1558	PPCODE:
…		…
1364	UV	1618	UV
1365	major (UV dev)	1619	major (UV dev)
1366	ALIAS:	1620	ALIAS:
1367	minor = 1	1621	minor = 1
1368	CODE:	1622	CODE:
1369	RETVAL = ix ? major (dev) : minor (dev);	1623	RETVAL = ix ? minor (dev) : major (dev);
1370	OUTPUT:	1624	OUTPUT:
1371	RETVAL	1625	RETVAL
1372		1626
1373	UV	1627	UV
1374	makedev (UV maj, UV min)	1628	makedev (UV maj, UV min)
…		…
1491		1745
1492	REQ_SEND;	1746	REQ_SEND;
1493	}	1747	}
1494		1748
1495	void	1749	void
		1750	aio_rename2 (SV8 oldpath, SV8 newpath, int flags = 0, SV *callback = &PL_sv_undef)
		1751	PPCODE:
		1752	{
		1753	eio_wd wd2 = 0;
		1754	dREQ;
		1755
		1756	req->type = EIO_RENAME;
		1757	req_set_path1 (req, oldpath);
		1758	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
		1759	req->int2 = flags;
		1760	req->int3 = (long)wd2;
		1761
		1762	REQ_SEND;
		1763	}
		1764
		1765	void
1496	aio_mknod (SV8 pathname, int mode, UV dev, SV callback = &PL_sv_undef)	1766	aio_mknod (SV8 pathname, int mode, UV dev, SV callback = &PL_sv_undef)
1497	PPCODE:	1767	PPCODE:
1498	{	1768	{
1499	dREQ;	1769	dREQ;
1500		1770
…		…
1505		1775
1506	REQ_SEND;	1776	REQ_SEND;
1507	}	1777	}
1508		1778
1509	void	1779	void
1510	aio_mtouch (SV8 data, IV offset = 0, SV length = &PL_sv_undef, int flags = 0, SV *callback = &PL_sv_undef)	1780	aio_mtouch (SV8 data, IV offset = 0, SV length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1511	ALIAS:	1781	ALIAS:
1512	aio_mtouch = EIO_MTOUCH	1782	aio_mtouch = EIO_MTOUCH
1513	aio_msync = EIO_MSYNC	1783	aio_msync = EIO_MSYNC
1514	PPCODE:	1784	PPCODE:
1515	{	1785	{
1516	STRLEN svlen;	1786	STRLEN svlen;
1517	char *svptr = SvPVbyte (data, svlen);	1787	char *svptr = SvPVbyte (data, svlen);
1518	UV len = SvUV (length);	1788	UV len = SvUV (length);
		1789
		1790	if (flags < 0)
		1791	flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1519		1792
1520	if (offset < 0)	1793	if (offset < 0)
1521	offset += svlen;	1794	offset += svlen;
1522		1795
1523	if (offset < 0 \|\| offset > svlen)	1796	if (offset < 0 \|\| offset > svlen)
…		…
1599	req->int2 = flags;	1872	req->int2 = flags;
1600	req->int3 = SvOK (count) ? SvIV (count) : -1;	1873	req->int3 = SvOK (count) ? SvIV (count) : -1;
1601	#endif	1874	#endif
1602		1875
1603	REQ_SEND;	1876	REQ_SEND;
		1877	}
		1878
		1879	void
		1880	aio_slurp (SV pathname, off_t offset, UV length, SV8 data, SV *callback = &PL_sv_undef)
		1881	PPCODE:
		1882	{
		1883	char *svptr = 0;
		1884
		1885	sv_clear_foreign (data);
		1886
		1887	if (length) /* known length, directly read into scalar */
		1888	{
		1889	if (!SvPOK (data) \|\| SvLEN (data) >= SvCUR (data))
		1890	svptr = sv_grow (data, length + 1);
		1891	else if (SvCUR (data) < length)
		1892	croak ("length outside of scalar, and cannot grow");
		1893	else
		1894	svptr = SvPVbyte_nolen (data);
		1895	}
		1896
		1897	{
		1898	dREQ;
		1899
		1900	req->type = EIO_SLURP;
		1901	req_set_path1 (req, pathname);
		1902	req->offs = offset;
		1903	req->size = length;
		1904	req->sv2 = SvREFCNT_inc (data);
		1905	req->ptr2 = svptr;
		1906
		1907	if (!SvREADONLY (data))
		1908	{
		1909	SvREADONLY_on (data);
		1910	req->flags \|= FLAG_SV2_RO_OFF;
		1911	}
		1912
		1913	REQ_SEND;
		1914	}
1604	}	1915	}
1605		1916
1606	void	1917	void
1607	aio_busy (double delay, SV *callback = &PL_sv_undef)	1918	aio_busy (double delay, SV *callback = &PL_sv_undef)
1608	PPCODE:	1919	PPCODE:
…		…
1745	RETVAL	2056	RETVAL
1746		2057
1747	void	2058	void
1748	mmap (SV scalar, STRLEN length, int prot, int flags, SV fh = &PL_sv_undef, off_t offset = 0)	2059	mmap (SV scalar, STRLEN length, int prot, int flags, SV fh = &PL_sv_undef, off_t offset = 0)
1749	PPCODE:	2060	PPCODE:
1750	sv_unmagic (scalar, MMAP_MAGIC);	2061	sv_clear_foreign (scalar);
1751	{	2062	{
1752	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	2063	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1753	void addr = (void )mmap (0, length, prot, flags, fd, offset);	2064	void addr = (void )mmap (0, length, prot, flags, fd, offset);
1754	if (addr == (void *)-1)	2065	if (addr == (void *)-1)
1755	XSRETURN_NO;	2066	XSRETURN_NO;
1756		2067
1757	sv_force_normal (scalar);	2068	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		2069
1765	if (!(prot & PROT_WRITE))	2070	if (!(prot & PROT_WRITE))
1766	SvREADONLY_on (scalar);	2071	SvREADONLY_on (scalar);
1767		2072
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;	2073	XSRETURN_YES;
1777	}	2074	}
1778		2075
1779	void	2076	void
1780	munmap (SV *scalar)	2077	munmap (SV *scalar)
1781	CODE:	2078	CODE:
1782	sv_unmagic (scalar, MMAP_MAGIC);	2079	sv_clear_foreign (scalar);
		2080
		2081	SV *
		2082	mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
		2083	CODE:
		2084	{
		2085	MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
		2086	void *new;
		2087
		2088	if (!mg \|\| SvPVX (scalar) != mg->mg_ptr)
		2089	croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
		2090
		2091	new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
		2092
		2093	RETVAL = &PL_sv_no;
		2094
		2095	if (new != (void *)-1)
		2096	{
		2097	RETVAL = new == (void *)mg->mg_ptr
		2098	? newSVpvn ("0 but true", 10)
		2099	: &PL_sv_yes;
		2100
		2101	mg->mg_ptr = (char *)new;
		2102	mg->mg_obj = (SV *)new_length;
		2103
		2104	SvPVX (scalar) = mg->mg_ptr;
		2105	SvCUR_set (scalar, new_length);
		2106	}
		2107	}
		2108	OUTPUT:
		2109	RETVAL
1783		2110
1784	int	2111	int
1785	madvise (SV scalar, STRLEN offset = 0, SV length = &PL_sv_undef, IV advice_or_prot)	2112	madvise (SV scalar, STRLEN offset = 0, SV length = &PL_sv_undef, IV advice_or_prot)
1786	ALIAS:	2113	ALIAS:
1787	mprotect = 1	2114	mprotect = 1
…		…
1917	{	2244	{
1918	EXTEND (SP, 2);	2245	EXTEND (SP, 2);
1919	PUSHs (newmortalFH (fd[0], O_RDONLY));	2246	PUSHs (newmortalFH (fd[0], O_RDONLY));
1920	PUSHs (newmortalFH (fd[1], O_WRONLY));	2247	PUSHs (newmortalFH (fd[1], O_WRONLY));
1921	}	2248	}
		2249	}
		2250
		2251	void
		2252	eventfd (unsigned int initval = 0, int flags = 0)
		2253	PPCODE:
		2254	{
		2255	int fd;
		2256	#if HAVE_EVENTFD
		2257	fd = eventfd (initval, flags);
		2258	#else
		2259	fd = (errno = ENOSYS, -1);
		2260	#endif
		2261
		2262	XPUSHs (newmortalFH (fd, O_RDWR));
		2263	}
		2264
		2265	void
		2266	timerfd_create (int clockid, int flags = 0)
		2267	PPCODE:
		2268	{
		2269	int fd;
		2270	#if HAVE_TIMERFD
		2271	fd = timerfd_create (clockid, flags);
		2272	#else
		2273	fd = (errno = ENOSYS, -1);
		2274	#endif
		2275
		2276	XPUSHs (newmortalFH (fd, O_RDWR));
		2277	}
		2278
		2279	void
		2280	timerfd_settime (SV *fh, int flags, NV interval, NV value)
		2281	PPCODE:
		2282	{
		2283	int fd = s_fileno_croak (fh, 0);
		2284	#if HAVE_TIMERFD
		2285	int res;
		2286	struct itimerspec its, ots;
		2287
		2288	ts_set (&its.it_interval, interval);
		2289	ts_set (&its.it_value , value);
		2290	res = timerfd_settime (fd, flags, &its, &ots);
		2291
		2292	if (!res)
		2293	{
		2294	EXTEND (SP, 2);
		2295	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2296	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2297	}
		2298	#else
		2299	errno = ENOSYS;
		2300	#endif
		2301	}
		2302
		2303	void
		2304	timerfd_gettime (SV *fh)
		2305	PPCODE:
		2306	{
		2307	int fd = s_fileno_croak (fh, 0);
		2308	#if HAVE_TIMERFD
		2309	int res;
		2310	struct itimerspec ots;
		2311	res = timerfd_gettime (fd, &ots);
		2312
		2313	if (!res)
		2314	{
		2315	EXTEND (SP, 2);
		2316	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2317	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2318	}
		2319	#else
		2320	errno = ENOSYS;
		2321	#endif
		2322	}
		2323
		2324	UV
		2325	get_fdlimit ()
		2326	CODE:
		2327	#if HAVE_RLIMITS
		2328	struct rlimit rl;
		2329	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2330	XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
		2331	#endif
		2332	XSRETURN_UNDEF;
		2333	OUTPUT:
		2334	RETVAL
		2335
		2336	void
		2337	min_fdlimit (UV limit = 0x7fffffffU)
		2338	CODE:
		2339	{
		2340	#if HAVE_RLIMITS
		2341	struct rlimit rl;
		2342	rlim_t orig_rlim_max;
		2343	UV bit;
		2344
		2345	if (0 != getrlimit (RLIMIT_NOFILE, &rl))
		2346	goto fail;
		2347
		2348	if (rl.rlim_cur == RLIM_INFINITY)
		2349	XSRETURN_YES;
		2350
		2351	orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
		2352
		2353	if (rl.rlim_cur < limit)
		2354	{
		2355	rl.rlim_cur = limit;
		2356
		2357	if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
		2358	rl.rlim_max = rl.rlim_cur;
		2359	}
		2360
		2361	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2362	XSRETURN_YES;
		2363
		2364	if (errno == EPERM)
		2365	{
		2366	/* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
		2367	/* our limit overflows a system-wide limit */
		2368	/* try an adaptive algorithm, but do not lower the hardlimit */
		2369	rl.rlim_max = 0;
		2370	for (bit = 0x40000000U; bit; bit >>= 1)
		2371	{
		2372	rl.rlim_max \|= bit;
		2373	rl.rlim_cur = rl.rlim_max;
		2374
		2375	/* nevr decrease the hard limit */
		2376	if (rl.rlim_max < orig_rlim_max)
		2377	break;
		2378
		2379	if (0 != setrlimit (RLIMIT_NOFILE, &rl))
		2380	rl.rlim_max &= ~bit; /* too high, remove bit again */
		2381	}
		2382
		2383	/* now, raise the soft limit to the max permitted */
		2384	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2385	{
		2386	rl.rlim_cur = rl.rlim_max;
		2387	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2388	errno = EPERM;
		2389	}
		2390	}
		2391	#endif
		2392	fail:
		2393	XSRETURN_UNDEF;
1922	}	2394	}
1923		2395
1924	void _on_next_submit (SV *cb)	2396	void _on_next_submit (SV *cb)
1925	CODE:	2397	CODE:
1926	SvREFCNT_dec (on_next_submit);	2398	SvREFCNT_dec (on_next_submit);

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Comparing IO-AIO/AIO.xs (file contents): Revision 1.234 by root, Thu Jun 25 15:20:11 2015 UTC vs. Revision 1.261 by root, Tue Jul 24 19:32:20 2018 UTC

Diff Legend

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.234 by root, Thu Jun 25 15:20:11 2015 UTC vs.
Revision 1.261 by root, Tue Jul 24 19:32:20 2018 UTC