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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.244 by root, Tue May 30 22:45:52 2017 UTC vs.
Revision 1.268 by root, Thu Nov 29 19:49:48 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
20	#if _POSIX_MEMLOCK \|\| _POSIX_MEMLOCK_RANGE \|\| _POSIX_MAPPED_FILES
21	# include <sys/mman.h>
22	#endif
23		22
24	/* the incompetent fool that created musl keeps __linux__, refuses	23	/* the incompetent fool that created musl keeps __linux__, refuses
25	* to implement any linux standard apis, and also has no way to test	24	* to implement any linux standard apis, and also has no way to test
26	* for his broken iplementation. don't complain to me if this fails	25	* for his broken iplementation. don't complain to me if this fails
27	* for you.	26	* for you.
…		…
75	#undef fchmod	74	#undef fchmod
76	#undef dup	75	#undef dup
77	#undef dup2	76	#undef dup2
78	#undef abort	77	#undef abort
79	#undef pipe	78	#undef pipe
		79	#undef utime
80		80
81	#define EIO_STRUCT_STAT struct _stati64	81	#define EIO_STRUCT_STAT struct _stati64
82	#define EIO_STRUCT_STATI64	82	#define EIO_STRUCT_STATI64
83		83
84	#else	84	#else
…		…
103		103
104	#define expect_false(expr) expect ((expr) != 0, 0)	104	#define expect_false(expr) expect ((expr) != 0, 0)
105	#define expect_true(expr) expect ((expr) != 0, 1)	105	#define expect_true(expr) expect ((expr) != 0, 1)
106		106
107	/*****************************************************************************/	107	/*****************************************************************************/
		108
		109	#include "config.h"
		110
		111	#if HAVE_SYS_MKDEV_H
		112	# include <sys/mkdev.h>
		113	#elif HAVE_SYS_SYSMACROS_H
		114	# include <sys/sysmacros.h>
		115	#endif
		116
		117	#if _POSIX_MEMLOCK \|\| _POSIX_MEMLOCK_RANGE \|\| _POSIX_MAPPED_FILES
		118	# include <sys/mman.h>
		119	#endif
		120
		121	#if HAVE_ST_XTIMENSEC
		122	# define ATIMENSEC PL_statcache.st_atimensec
		123	# define MTIMENSEC PL_statcache.st_mtimensec
		124	# define CTIMENSEC PL_statcache.st_ctimensec
		125	#elif HAVE_ST_XTIMESPEC
		126	# define ATIMENSEC PL_statcache.st_atim.tv_nsec
		127	# define MTIMENSEC PL_statcache.st_mtim.tv_nsec
		128	# define CTIMENSEC PL_statcache.st_ctim.tv_nsec
		129	#else
		130	# define ATIMENSEC 0
		131	# define MTIMENSEC 0
		132	# define CTIMENSEC 0
		133	#endif
		134
		135	#if HAVE_ST_BIRTHTIMENSEC
		136	# define BTIMESEC PL_statcache.st_birthtime
		137	# define BTIMENSEC PL_statcache.st_birthtimensec
		138	#elif HAVE_ST_BIRTHTIMESPEC
		139	# define BTIMESEC PL_statcache.st_birthtim.tv_sec
		140	# define BTIMENSEC PL_statcache.st_birthtim.tv_nsec
		141	#else
		142	# define BTIMESEC 0
		143	# define BTIMENSEC 0
		144	#endif
		145
		146	#if HAVE_ST_GEN
		147	# define ST_GEN PL_statcache.st_gen
		148	#else
		149	# define ST_GEN 0
		150	#endif
		151
		152	#include "schmorp.h"
		153
		154	#if HAVE_EVENTFD
		155	# include <sys/eventfd.h>
		156	#endif
		157
		158	#if HAVE_TIMERFD
		159	# include <sys/timerfd.h>
		160	#endif
		161
		162	#if HAVE_RLIMITS
		163	#include <sys/time.h>
		164	#include <sys/resource.h>
		165	#endif
108		166
109	typedef SV SV8; /* byte-sv, used for argument-checking */	167	typedef SV SV8; /* byte-sv, used for argument-checking */
110	typedef int aio_rfd; /* read file desriptor */	168	typedef int aio_rfd; /* read file desriptor */
111	typedef int aio_wfd; /* write file descriptor */	169	typedef int aio_wfd; /* write file descriptor */
112		170
…		…
119	STRLEN stroffset; \	177	STRLEN stroffset; \
120	SV *self;	178	SV *self;
121		179
122	#define EIO_NO_WRAPPERS 1	180	#define EIO_NO_WRAPPERS 1
123		181
124	#include "libeio/config.h"
125	#include "libeio/eio.h"	182	#include "libeio/eio.h"
126		183
127	static int req_invoke (eio_req *req);	184	static int req_invoke (eio_req *req);
128	#define EIO_FINISH(req) req_invoke (req)	185	#define EIO_FINISH(req) req_invoke (req)
129	static void req_destroy (eio_req *grp);	186	static void req_destroy (eio_req *grp);
…		…
145	# else	202	# else
146	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	203	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
147	# endif	204	# endif
148	#endif	205	#endif
149		206
		207	#ifndef makedev
		208	# define makedev(maj,min) (((maj) << 8) \| (min))
		209	#endif
		210	#ifndef major
		211	# define major(dev) ((dev) >> 8)
		212	#endif
		213	#ifndef minor
		214	# define minor(dev) ((dev) & 0xff)
		215	#endif
		216
		217	/* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */
		218	#ifdef __sun
		219	# undef PAGESIZE
		220	#endif
		221
		222	#if PAGESIZE <= 0
		223	# define PAGESIZE sysconf (_SC_PAGESIZE)
		224	#endif
		225
		226	/*****************************************************************************/
		227
		228	#if !_POSIX_MAPPED_FILES
		229	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
		230	# define munmap(addr,length) EIO_ENOSYS ()
		231	#endif
		232
		233	#if !_POSIX_MEMORY_PROTECTION
		234	# define mprotect(addr,len,prot) EIO_ENOSYS ()
		235	#endif
		236
		237	#if !MREMAP_MAYMOVE
		238	# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
		239	#endif
		240
		241	#define FOREIGN_MAGIC PERL_MAGIC_ext
		242
		243	static int ecb_cold
		244	mmap_free (pTHX_ SV sv, MAGIC mg)
		245	{
		246	int old_errno = errno;
		247	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		248	errno = old_errno;
		249
		250	mg->mg_obj = 0; /* just in case */
		251
		252	SvREADONLY_off (sv);
		253
		254	if (SvPVX (sv) != mg->mg_ptr)
		255	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		256
		257	SvCUR_set (sv, 0);
		258	SvPVX (sv) = 0;
		259	SvOK_off (sv);
		260
		261	return 0;
		262	}
		263
		264	static MGVTBL mmap_vtbl = {
		265	0, 0, 0, 0, mmap_free
		266	};
		267
		268	static int ecb_cold
		269	sysfree_free (pTHX_ SV sv, MAGIC mg)
		270	{
		271	free (mg->mg_ptr);
		272	mg->mg_obj = 0; /* just in case */
		273
		274	SvREADONLY_off (sv);
		275
		276	if (SvPVX (sv) != mg->mg_ptr)
		277	croak ("ERROR: IO::AIO mapped scalar changed location, detected");
		278
		279	SvCUR_set (sv, 0);
		280	SvPVX (sv) = 0;
		281	SvOK_off (sv);
		282
		283	return 0;
		284	}
		285
		286	static MGVTBL sysfree_vtbl = {
		287	0, 0, 0, 0, sysfree_free
		288	};
		289
		290	/*****************************************************************************/
		291
		292	/* helper: set scalar to foreign ptr with custom free */
		293	static void
		294	sv_set_foreign (SV sv, const MGVTBL const vtbl, void *addr, IV length)
		295	{
		296	sv_force_normal (sv);
		297
		298	/* we store the length in mg_obj, as namlen is I32 :/ */
		299	sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
		300	->mg_obj = (SV *)length;
		301
		302	SvUPGRADE (sv, SVt_PV); /* nop... */
		303
		304	if (SvLEN (sv))
		305	Safefree (SvPVX (sv));
		306
		307	SvPVX (sv) = (char *)addr;
		308	SvCUR_set (sv, length);
		309	SvLEN_set (sv, 0);
		310	SvPOK_only (sv);
		311	}
		312
		313	static void
		314	sv_clear_foreign (SV *sv)
		315	{
		316	/* todo: iterate over magic and only free ours, but of course */
		317	/* the perl5porters will call that (correct) behaviour buggy */
		318	sv_unmagic (sv, FOREIGN_MAGIC);
		319	}
		320
		321	/*****************************************************************************/
		322
150	/* defines all sorts of constants to 0 unless they are already defined */	323	/* defines all sorts of constants to 0 unless they are already defined */
151	/* also provides const_iv_ and const_niv_ macros for them */	324	/* also provides const_iv_ and const_niv_ macros for them */
152	#include "def0.h"	325	#include "def0.h"
153
154	#ifndef makedev
155	# define makedev(maj,min) (((maj) << 8) \| (min))
156	#endif
157	#ifndef major
158	# define major(dev) ((dev) >> 8)
159	#endif
160	#ifndef minor
161	# define minor(dev) ((dev) & 0xff)
162	#endif
163
164	#if PAGESIZE <= 0
165	# define PAGESIZE sysconf (_SC_PAGESIZE)
166	#endif
167		326
168	/*****************************************************************************/	327	/*****************************************************************************/
169		328
170	static void	329	static void
171	fiemap (eio_req *req)	330	fiemap (eio_req *req)
…		…
262	errno = ENOSYS;	421	errno = ENOSYS;
263	#endif	422	#endif
264	}	423	}
265		424
266	/*****************************************************************************/	425	/*****************************************************************************/
		426
		427	static int close_fd; /* dummy fd to close fds via dup2 */
267		428
268	enum {	429	enum {
269	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	430	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
270	};	431	};
271		432
…		…
591	SvSETMAGIC (req->sv2);	752	SvSETMAGIC (req->sv2);
592	PUSHs (sv_result);	753	PUSHs (sv_result);
593	}	754	}
594	break;	755	break;
595		756
		757	case EIO_SLURP:
		758	{
		759	if (req->result >= 0)
		760	{
		761	/* if length was originally not known, we steal the malloc'ed memory */
		762	if (req->flags & EIO_FLAG_PTR2_FREE)
		763	{
		764	req->flags &= ~EIO_FLAG_PTR2_FREE;
		765	sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
		766	}
		767	else
		768	{
		769	SvCUR_set (req->sv2, req->result);
		770	*SvEND (req->sv2) = 0;
		771	SvPOK_only (req->sv2);
		772	}
		773
		774	SvSETMAGIC (req->sv2);
		775	}
		776
		777	PUSHs (sv_result);
		778	}
		779	break;
		780
596	case EIO_CUSTOM:	781	case EIO_CUSTOM:
597	if (req->feed == fiemap)	782	if (req->feed == fiemap)
598	{	783	{
599	#if HAVE_FIEMAP	784	#if HAVE_FIEMAP
600	if (!req->result)	785	if (!req->result)
…		…
743	create_respipe ();	928	create_respipe ();
744		929
745	if (eio_init (want_poll, done_poll) < 0)	930	if (eio_init (want_poll, done_poll) < 0)
746	croak ("IO::AIO: unable to initialise eio library");	931	croak ("IO::AIO: unable to initialise eio library");
747	}	932	}
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	#endif
759
760	#define MMAP_MAGIC PERL_MAGIC_ext
761
762	static int ecb_cold
763	mmap_free (pTHX_ SV sv, MAGIC mg)
764	{
765	int old_errno = errno;
766	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
767	errno = old_errno;
768
769	mg->mg_obj = 0; /* just in case */
770
771	SvREADONLY_off (sv);
772
773	if (SvPVX (sv) != mg->mg_ptr)
774	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
775
776	SvCUR_set (sv, 0);
777	SvPVX (sv) = 0;
778	SvOK_off (sv);
779
780	return 0;
781	}
782
783	static MGVTBL mmap_vtbl = {
784	0, 0, 0, 0, mmap_free
785	};
786		933
787	/*****************************************************************************/	934	/*****************************************************************************/
788		935
789	static SV *	936	static SV *
790	get_cb (SV *cb_sv)	937	get_cb (SV *cb_sv)
…		…
886	req_set_path1 (req, fh_or_path);	1033	req_set_path1 (req, fh_or_path);
887	break;	1034	break;
888	}	1035	}
889	}	1036	}
890		1037
		1038	/*****************************************************************************/
		1039
		1040	static void
		1041	ts_set (struct timespec *ts, NV value)
		1042	{
		1043	ts->tv_sec = value;
		1044	ts->tv_nsec = (value - ts->tv_sec) * 1e9;
		1045	}
		1046
		1047	static NV
		1048	ts_get (const struct timespec *ts)
		1049	{
		1050	return ts->tv_sec + ts->tv_nsec * 1e-9;
		1051	}
		1052
		1053	/*****************************************************************************/
		1054
891	XS(boot_IO__AIO) ecb_cold;	1055	XS(boot_IO__AIO) ecb_cold;
892		1056
893	MODULE = IO::AIO PACKAGE = IO::AIO	1057	MODULE = IO::AIO PACKAGE = IO::AIO
894		1058
895	PROTOTYPES: ENABLE	1059	PROTOTYPES: ENABLE
…		…
924	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)	1088	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
925	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)	1089	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
926	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)	1090	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
927	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)	1091	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
928	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)	1092	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
929	const_niv (MADV_FREE , POSIX_MADV_FREE)
930		1093
931	/* the second block will be 0 when missing */	1094	/* the second block will be 0 when missing */
		1095	const_iv (O_ACCMODE)
		1096
932	const_iv (O_RDONLY)	1097	const_iv (O_RDONLY)
933	const_iv (O_WRONLY)	1098	const_iv (O_WRONLY)
934	const_iv (O_RDWR)	1099	const_iv (O_RDWR)
935	const_iv (O_CREAT)	1100	const_iv (O_CREAT)
936	const_iv (O_TRUNC)	1101	const_iv (O_TRUNC)
…		…
995	const_iv (MAP_NONBLOCK)	1160	const_iv (MAP_NONBLOCK)
996	const_iv (MAP_GROWSDOWN)	1161	const_iv (MAP_GROWSDOWN)
997	const_iv (MAP_32BIT)	1162	const_iv (MAP_32BIT)
998	const_iv (MAP_HUGETLB)	1163	const_iv (MAP_HUGETLB)
999	const_iv (MAP_STACK)	1164	const_iv (MAP_STACK)
		1165
		1166	const_iv (MREMAP_MAYMOVE)
		1167	const_iv (MREMAP_FIXED)
		1168
		1169	const_iv (F_DUPFD_CLOEXEC)
		1170
		1171	const_iv (MSG_CMSG_CLOEXEC)
		1172	const_iv (SOCK_CLOEXEC)
		1173
		1174	const_iv (F_OFD_GETLK)
		1175	const_iv (F_OFD_SETLK)
		1176	const_iv (F_OFD_GETLKW)
1000		1177
1001	const_iv (FIFREEZE)	1178	const_iv (FIFREEZE)
1002	const_iv (FITHAW)	1179	const_iv (FITHAW)
1003	const_iv (FITRIM)	1180	const_iv (FITRIM)
1004	const_iv (FICLONE)	1181	const_iv (FICLONE)
…		…
1073	const_iv (SPLICE_F_MOVE)	1250	const_iv (SPLICE_F_MOVE)
1074	const_iv (SPLICE_F_NONBLOCK)	1251	const_iv (SPLICE_F_NONBLOCK)
1075	const_iv (SPLICE_F_MORE)	1252	const_iv (SPLICE_F_MORE)
1076	const_iv (SPLICE_F_GIFT)	1253	const_iv (SPLICE_F_GIFT)
1077		1254
		1255	const_iv (EFD_CLOEXEC)
		1256	const_iv (EFD_NONBLOCK)
		1257	const_iv (EFD_SEMAPHORE)
		1258
		1259	const_iv (CLOCK_REALTIME)
		1260	const_iv (CLOCK_MONOTONIC)
		1261	const_iv (CLOCK_BOOTTIME)
		1262	const_iv (CLOCK_REALTIME_ALARM)
		1263	const_iv (CLOCK_BOOTTIME_ALARM)
		1264
		1265	const_iv (TFD_NONBLOCK)
		1266	const_iv (TFD_CLOEXEC)
		1267
		1268	const_iv (TFD_TIMER_ABSTIME)
		1269	const_iv (TFD_TIMER_CANCEL_ON_SET)
		1270
1078	/* these are libeio constants, and are independent of gendef0 */	1271	/* these are libeio constants, and are independent of gendef0 */
1079	const_eio (SEEK_SET)	1272	const_eio (SEEK_SET)
1080	const_eio (SEEK_CUR)	1273	const_eio (SEEK_CUR)
1081	const_eio (SEEK_END)	1274	const_eio (SEEK_END)
1082		1275
1083	const_eio (MCL_FUTURE)	1276	const_eio (MCL_FUTURE)
1084	const_eio (MCL_CURRENT)	1277	const_eio (MCL_CURRENT)
		1278	const_eio (MCL_ONFAULT)
1085		1279
1086	const_eio (MS_ASYNC)	1280	const_eio (MS_ASYNC)
1087	const_eio (MS_INVALIDATE)	1281	const_eio (MS_INVALIDATE)
1088	const_eio (MS_SYNC)	1282	const_eio (MS_SYNC)
1089		1283
…		…
1095		1289
1096	const_eio (FALLOC_FL_KEEP_SIZE)	1290	const_eio (FALLOC_FL_KEEP_SIZE)
1097	const_eio (FALLOC_FL_PUNCH_HOLE)	1291	const_eio (FALLOC_FL_PUNCH_HOLE)
1098	const_eio (FALLOC_FL_COLLAPSE_RANGE)	1292	const_eio (FALLOC_FL_COLLAPSE_RANGE)
1099	const_eio (FALLOC_FL_ZERO_RANGE)	1293	const_eio (FALLOC_FL_ZERO_RANGE)
		1294	const_eio (FALLOC_FL_INSERT_RANGE)
		1295	const_eio (FALLOC_FL_UNSHARE_RANGE)
		1296
		1297	const_eio (RENAME_NOREPLACE)
		1298	const_eio (RENAME_EXCHANGE)
		1299	const_eio (RENAME_WHITEOUT)
1100		1300
1101	const_eio (READDIR_DENTS)	1301	const_eio (READDIR_DENTS)
1102	const_eio (READDIR_DIRS_FIRST)	1302	const_eio (READDIR_DIRS_FIRST)
1103	const_eio (READDIR_STAT_ORDER)	1303	const_eio (READDIR_STAT_ORDER)
1104	const_eio (READDIR_FOUND_UNKNOWN)	1304	const_eio (READDIR_FOUND_UNKNOWN)
…		…
1122	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)	1322	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
1123	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));	1323	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
1124		1324
1125	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1325	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
1126		1326
		1327	/* allocate dummy pipe fd for aio_close */
		1328	{
		1329	int pipefd [2];
		1330
		1331	if (
		1332	#ifdef _WIN32
		1333	_pipe (pipefd, 1, _O_BINARY) < 0
		1334	#else
		1335	pipe (pipefd) < 0
		1336	\|\| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1337	#endif
		1338	\|\| close (pipefd [1]) < 0
		1339	)
		1340	croak ("IO::AIO: unable to create dummy pipe for aio_close");
		1341
		1342	close_fd = pipefd [0];
		1343	}
		1344
1127	reinit ();	1345	reinit ();
1128	}	1346	}
1129		1347
1130	void	1348	void
1131	reinit ()	1349	reinit ()
…		…
1253		1471
1254	void	1472	void
1255	aio_close (SV fh, SV callback = &PL_sv_undef)	1473	aio_close (SV fh, SV callback = &PL_sv_undef)
1256	PPCODE:	1474	PPCODE:
1257	{	1475	{
1258	static int close_fd = -1; /* dummy fd to close fds via dup2 */
1259	int fd = s_fileno_croak (fh, 0);	1476	int fd = s_fileno_croak (fh, 0);
1260	dREQ;	1477	dREQ;
1261
1262	if (expect_false (close_fd < 0))
1263	{
1264	int pipefd [2];
1265
1266	if (
1267	#ifdef _WIN32
1268	_pipe (pipefd, 1, _O_BINARY) < 0
1269	#else
1270	pipe (pipefd) < 0
1271	\|\| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1272	#endif
1273	\|\| close (pipefd [1]) < 0
1274	)
1275	abort (); /D/
1276
1277	close_fd = pipefd [0];
1278	}
1279		1478
1280	req->type = EIO_DUP2;	1479	req->type = EIO_DUP2;
1281	req->int1 = close_fd;	1480	req->int1 = close_fd;
1282	req->sv2 = newSVsv (fh);	1481	req->sv2 = newSVsv (fh);
1283	req->int2 = fd;	1482	req->int2 = fd;
…		…
1459	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);	1658	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1460		1659
1461	REQ_SEND;	1660	REQ_SEND;
1462	}	1661	}
1463		1662
		1663	void
		1664	st_xtime ()
		1665	ALIAS:
		1666	st_atime = 0x01
		1667	st_mtime = 0x02
		1668	st_ctime = 0x04
		1669	st_btime = 0x08
		1670	st_xtime = 0x0f
		1671	PPCODE:
		1672	EXTEND (SP, 4);
		1673	if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
		1674	if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
		1675	if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
		1676	if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
		1677
		1678	void
		1679	st_xtimensec ()
		1680	ALIAS:
		1681	st_atimensec = 0x01
		1682	st_mtimensec = 0x02
		1683	st_ctimensec = 0x04
		1684	st_btimensec = 0x08
		1685	st_xtimensec = 0x0f
		1686	st_btimesec = 0x10
		1687	st_gen = 0x20
		1688	PPCODE:
		1689	EXTEND (SP, 4);
		1690	if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
		1691	if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
		1692	if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
		1693	if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
		1694	if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
		1695	if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
		1696
1464	UV	1697	UV
1465	major (UV dev)	1698	major (UV dev)
1466	ALIAS:	1699	ALIAS:
1467	minor = 1	1700	minor = 1
1468	CODE:	1701	CODE:
…		…
1591		1824
1592	REQ_SEND;	1825	REQ_SEND;
1593	}	1826	}
1594		1827
1595	void	1828	void
		1829	aio_rename2 (SV8 oldpath, SV8 newpath, int flags = 0, SV *callback = &PL_sv_undef)
		1830	PPCODE:
		1831	{
		1832	eio_wd wd2 = 0;
		1833	dREQ;
		1834
		1835	req->type = EIO_RENAME;
		1836	req_set_path1 (req, oldpath);
		1837	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
		1838	req->int2 = flags;
		1839	req->int3 = (long)wd2;
		1840
		1841	REQ_SEND;
		1842	}
		1843
		1844	void
1596	aio_mknod (SV8 pathname, int mode, UV dev, SV callback = &PL_sv_undef)	1845	aio_mknod (SV8 pathname, int mode, UV dev, SV callback = &PL_sv_undef)
1597	PPCODE:	1846	PPCODE:
1598	{	1847	{
1599	dREQ;	1848	dREQ;
1600		1849
…		…
1702	req->int2 = flags;	1951	req->int2 = flags;
1703	req->int3 = SvOK (count) ? SvIV (count) : -1;	1952	req->int3 = SvOK (count) ? SvIV (count) : -1;
1704	#endif	1953	#endif
1705		1954
1706	REQ_SEND;	1955	REQ_SEND;
		1956	}
		1957
		1958	void
		1959	aio_slurp (SV pathname, off_t offset, UV length, SV8 data, SV *callback = &PL_sv_undef)
		1960	PPCODE:
		1961	{
		1962	char *svptr = 0;
		1963
		1964	sv_clear_foreign (data);
		1965
		1966	if (length) /* known length, directly read into scalar */
		1967	{
		1968	if (!SvPOK (data) \|\| SvLEN (data) >= SvCUR (data))
		1969	svptr = sv_grow (data, length + 1);
		1970	else if (SvCUR (data) < length)
		1971	croak ("length outside of scalar, and cannot grow");
		1972	else
		1973	svptr = SvPVbyte_nolen (data);
		1974	}
		1975
		1976	{
		1977	dREQ;
		1978
		1979	req->type = EIO_SLURP;
		1980	req_set_path1 (req, pathname);
		1981	req->offs = offset;
		1982	req->size = length;
		1983	req->sv2 = SvREFCNT_inc (data);
		1984	req->ptr2 = svptr;
		1985
		1986	if (!SvREADONLY (data))
		1987	{
		1988	SvREADONLY_on (data);
		1989	req->flags \|= FLAG_SV2_RO_OFF;
		1990	}
		1991
		1992	REQ_SEND;
		1993	}
1707	}	1994	}
1708		1995
1709	void	1996	void
1710	aio_busy (double delay, SV *callback = &PL_sv_undef)	1997	aio_busy (double delay, SV *callback = &PL_sv_undef)
1711	PPCODE:	1998	PPCODE:
…		…
1848	RETVAL	2135	RETVAL
1849		2136
1850	void	2137	void
1851	mmap (SV scalar, STRLEN length, int prot, int flags, SV fh = &PL_sv_undef, off_t offset = 0)	2138	mmap (SV scalar, STRLEN length, int prot, int flags, SV fh = &PL_sv_undef, off_t offset = 0)
1852	PPCODE:	2139	PPCODE:
1853	sv_unmagic (scalar, MMAP_MAGIC);	2140	sv_clear_foreign (scalar);
1854	{	2141	{
1855	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	2142	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1856	void addr = (void )mmap (0, length, prot, flags, fd, offset);	2143	void addr = (void )mmap (0, length, prot, flags, fd, offset);
1857	if (addr == (void *)-1)	2144	if (addr == (void *)-1)
1858	XSRETURN_NO;	2145	XSRETURN_NO;
1859		2146
1860	sv_force_normal (scalar);	2147	sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1861
1862	/* we store the length in mg_obj, as namlen is I32 :/ */
1863	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1864	->mg_obj = (SV *)length;
1865
1866	SvUPGRADE (scalar, SVt_PV); /* nop... */
1867		2148
1868	if (!(prot & PROT_WRITE))	2149	if (!(prot & PROT_WRITE))
1869	SvREADONLY_on (scalar);	2150	SvREADONLY_on (scalar);
1870		2151
1871	if (SvLEN (scalar))
1872	Safefree (SvPVX (scalar));
1873
1874	SvPVX (scalar) = (char *)addr;
1875	SvCUR_set (scalar, length);
1876	SvLEN_set (scalar, 0);
1877	SvPOK_only (scalar);
1878
1879	XSRETURN_YES;	2152	XSRETURN_YES;
1880	}	2153	}
1881		2154
1882	void	2155	void
1883	munmap (SV *scalar)	2156	munmap (SV *scalar)
1884	CODE:	2157	CODE:
1885	sv_unmagic (scalar, MMAP_MAGIC);	2158	sv_clear_foreign (scalar);
		2159
		2160	SV *
		2161	mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
		2162	CODE:
		2163	{
		2164	MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
		2165	void *new;
		2166
		2167	if (!mg \|\| SvPVX (scalar) != mg->mg_ptr)
		2168	croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
		2169
		2170	new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
		2171
		2172	RETVAL = &PL_sv_no;
		2173
		2174	if (new != (void *)-1)
		2175	{
		2176	RETVAL = new == (void *)mg->mg_ptr
		2177	? newSVpvn ("0 but true", 10)
		2178	: &PL_sv_yes;
		2179
		2180	mg->mg_ptr = (char *)new;
		2181	mg->mg_obj = (SV *)new_length;
		2182
		2183	SvPVX (scalar) = mg->mg_ptr;
		2184	SvCUR_set (scalar, new_length);
		2185	}
		2186	}
		2187	OUTPUT:
		2188	RETVAL
1886		2189
1887	int	2190	int
1888	madvise (SV scalar, STRLEN offset = 0, SV length = &PL_sv_undef, IV advice_or_prot)	2191	madvise (SV scalar, IV offset = 0, SV length = &PL_sv_undef, IV advice_or_prot)
1889	ALIAS:	2192	ALIAS:
1890	mprotect = 1	2193	mprotect = 1
1891	CODE:	2194	CODE:
1892	{	2195	{
1893	STRLEN svlen;	2196	STRLEN svlen;
…		…
1914	}	2217	}
1915	OUTPUT:	2218	OUTPUT:
1916	RETVAL	2219	RETVAL
1917		2220
1918	int	2221	int
1919	munlock (SV scalar, STRLEN offset = 0, SV length = &PL_sv_undef)	2222	munlock (SV scalar, IV offset = 0, SV length = &PL_sv_undef)
1920	CODE:	2223	CODE:
1921	{	2224	{
1922	STRLEN svlen;	2225	STRLEN svlen;
1923	void *addr = SvPVbyte (scalar, svlen);	2226	void *addr = SvPVbyte (scalar, svlen);
1924	size_t len = SvUV (length);	2227	size_t len = SvUV (length);
…		…
2020	{	2323	{
2021	EXTEND (SP, 2);	2324	EXTEND (SP, 2);
2022	PUSHs (newmortalFH (fd[0], O_RDONLY));	2325	PUSHs (newmortalFH (fd[0], O_RDONLY));
2023	PUSHs (newmortalFH (fd[1], O_WRONLY));	2326	PUSHs (newmortalFH (fd[1], O_WRONLY));
2024	}	2327	}
		2328	}
		2329
		2330	void
		2331	eventfd (unsigned int initval = 0, int flags = 0)
		2332	PPCODE:
		2333	{
		2334	int fd;
		2335	#if HAVE_EVENTFD
		2336	fd = eventfd (initval, flags);
		2337	#else
		2338	fd = (errno = ENOSYS, -1);
		2339	#endif
		2340
		2341	XPUSHs (newmortalFH (fd, O_RDWR));
		2342	}
		2343
		2344	void
		2345	timerfd_create (int clockid, int flags = 0)
		2346	PPCODE:
		2347	{
		2348	int fd;
		2349	#if HAVE_TIMERFD
		2350	fd = timerfd_create (clockid, flags);
		2351	#else
		2352	fd = (errno = ENOSYS, -1);
		2353	#endif
		2354
		2355	XPUSHs (newmortalFH (fd, O_RDWR));
		2356	}
		2357
		2358	void
		2359	timerfd_settime (SV *fh, int flags, NV interval, NV value)
		2360	PPCODE:
		2361	{
		2362	int fd = s_fileno_croak (fh, 0);
		2363	#if HAVE_TIMERFD
		2364	int res;
		2365	struct itimerspec its, ots;
		2366
		2367	ts_set (&its.it_interval, interval);
		2368	ts_set (&its.it_value , value);
		2369	res = timerfd_settime (fd, flags, &its, &ots);
		2370
		2371	if (!res)
		2372	{
		2373	EXTEND (SP, 2);
		2374	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2375	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2376	}
		2377	#else
		2378	errno = ENOSYS;
		2379	#endif
		2380	}
		2381
		2382	void
		2383	timerfd_gettime (SV *fh)
		2384	PPCODE:
		2385	{
		2386	int fd = s_fileno_croak (fh, 0);
		2387	#if HAVE_TIMERFD
		2388	int res;
		2389	struct itimerspec ots;
		2390	res = timerfd_gettime (fd, &ots);
		2391
		2392	if (!res)
		2393	{
		2394	EXTEND (SP, 2);
		2395	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2396	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2397	}
		2398	#else
		2399	errno = ENOSYS;
		2400	#endif
		2401	}
		2402
		2403	UV
		2404	get_fdlimit ()
		2405	CODE:
		2406	#if HAVE_RLIMITS
		2407	struct rlimit rl;
		2408	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2409	XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
		2410	#endif
		2411	XSRETURN_UNDEF;
		2412	OUTPUT:
		2413	RETVAL
		2414
		2415	void
		2416	min_fdlimit (UV limit = 0x7fffffffU)
		2417	CODE:
		2418	{
		2419	#if HAVE_RLIMITS
		2420	struct rlimit rl;
		2421	rlim_t orig_rlim_max;
		2422	UV bit;
		2423
		2424	if (0 != getrlimit (RLIMIT_NOFILE, &rl))
		2425	goto fail;
		2426
		2427	if (rl.rlim_cur == RLIM_INFINITY)
		2428	XSRETURN_YES;
		2429
		2430	orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
		2431
		2432	if (rl.rlim_cur < limit)
		2433	{
		2434	rl.rlim_cur = limit;
		2435
		2436	if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
		2437	rl.rlim_max = rl.rlim_cur;
		2438	}
		2439
		2440	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2441	XSRETURN_YES;
		2442
		2443	if (errno == EPERM)
		2444	{
		2445	/* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
		2446	/* our limit overflows a system-wide limit */
		2447	/* try an adaptive algorithm, but do not lower the hardlimit */
		2448	rl.rlim_max = 0;
		2449	for (bit = 0x40000000U; bit; bit >>= 1)
		2450	{
		2451	rl.rlim_max \|= bit;
		2452	rl.rlim_cur = rl.rlim_max;
		2453
		2454	/* nevr decrease the hard limit */
		2455	if (rl.rlim_max < orig_rlim_max)
		2456	break;
		2457
		2458	if (0 != setrlimit (RLIMIT_NOFILE, &rl))
		2459	rl.rlim_max &= ~bit; /* too high, remove bit again */
		2460	}
		2461
		2462	/* now, raise the soft limit to the max permitted */
		2463	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2464	{
		2465	rl.rlim_cur = rl.rlim_max;
		2466	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2467	errno = EPERM;
		2468	}
		2469	}
		2470	#endif
		2471	fail:
		2472	XSRETURN_UNDEF;
2025	}	2473	}
2026		2474
2027	void _on_next_submit (SV *cb)	2475	void _on_next_submit (SV *cb)
2028	CODE:	2476	CODE:
2029	SvREFCNT_dec (on_next_submit);	2477	SvREFCNT_dec (on_next_submit);

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Comparing IO-AIO/AIO.xs (file contents): Revision 1.244 by root, Tue May 30 22:45:52 2017 UTC vs. Revision 1.268 by root, Thu Nov 29 19:49:48 2018 UTC

Diff Legend

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.244 by root, Tue May 30 22:45:52 2017 UTC vs.
Revision 1.268 by root, Thu Nov 29 19:49:48 2018 UTC