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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.250 by root, Fri Sep 22 05:20:39 2017 UTC vs.
Revision 1.267 by root, Sat Aug 25 19:25:32 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>
		22
		23	#if HAVE_SYS_MKDEV_H
		24	# include <sys/mkdev.h>
		25	#elif HAVE_SYS_SYSMACROS_H
		26	# include <sys/sysmacros.h>
		27	#endif
19		28
20	#if _POSIX_MEMLOCK \|\| _POSIX_MEMLOCK_RANGE \|\| _POSIX_MAPPED_FILES	29	#if _POSIX_MEMLOCK \|\| _POSIX_MEMLOCK_RANGE \|\| _POSIX_MAPPED_FILES
21	# include <sys/mman.h>	30	# include <sys/mman.h>
22	#endif	31	#endif
23		32
…		…
75	#undef fchmod	84	#undef fchmod
76	#undef dup	85	#undef dup
77	#undef dup2	86	#undef dup2
78	#undef abort	87	#undef abort
79	#undef pipe	88	#undef pipe
		89	#undef utime
80		90
81	#define EIO_STRUCT_STAT struct _stati64	91	#define EIO_STRUCT_STAT struct _stati64
82	#define EIO_STRUCT_STATI64	92	#define EIO_STRUCT_STATI64
83		93
84	#else	94	#else
…		…
104	#define expect_false(expr) expect ((expr) != 0, 0)	114	#define expect_false(expr) expect ((expr) != 0, 0)
105	#define expect_true(expr) expect ((expr) != 0, 1)	115	#define expect_true(expr) expect ((expr) != 0, 1)
106		116
107	/*****************************************************************************/	117	/*****************************************************************************/
108		118
109	#include "libeio/config.h"	119	#include "config.h"
		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
110		161
111	#if HAVE_RLIMITS	162	#if HAVE_RLIMITS
112	#include <sys/time.h>	163	#include <sys/time.h>
113	#include <sys/resource.h>	164	#include <sys/resource.h>
114	#endif	165	#endif
…		…
151	# else	202	# else
152	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	203	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
153	# endif	204	# endif
154	#endif	205	#endif
155		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
156	/* 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 */
157	/* also provides const_iv_ and const_niv_ macros for them */	324	/* also provides const_iv_ and const_niv_ macros for them */
158	#include "def0.h"	325	#include "def0.h"
159
160	#ifndef makedev
161	# define makedev(maj,min) (((maj) << 8) \| (min))
162	#endif
163	#ifndef major
164	# define major(dev) ((dev) >> 8)
165	#endif
166	#ifndef minor
167	# define minor(dev) ((dev) & 0xff)
168	#endif
169
170	#if PAGESIZE <= 0
171	# define PAGESIZE sysconf (_SC_PAGESIZE)
172	#endif
173		326
174	/*****************************************************************************/	327	/*****************************************************************************/
175		328
176	static void	329	static void
177	fiemap (eio_req *req)	330	fiemap (eio_req *req)
…		…
268	errno = ENOSYS;	421	errno = ENOSYS;
269	#endif	422	#endif
270	}	423	}
271		424
272	/*****************************************************************************/	425	/*****************************************************************************/
		426
		427	static int close_fd; /* dummy fd to close fds via dup2 */
273		428
274	enum {	429	enum {
275	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	430	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
276	};	431	};
277		432
…		…
597	SvSETMAGIC (req->sv2);	752	SvSETMAGIC (req->sv2);
598	PUSHs (sv_result);	753	PUSHs (sv_result);
599	}	754	}
600	break;	755	break;
601		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
602	case EIO_CUSTOM:	781	case EIO_CUSTOM:
603	if (req->feed == fiemap)	782	if (req->feed == fiemap)
604	{	783	{
605	#if HAVE_FIEMAP	784	#if HAVE_FIEMAP
606	if (!req->result)	785	if (!req->result)
…		…
749	create_respipe ();	928	create_respipe ();
750		929
751	if (eio_init (want_poll, done_poll) < 0)	930	if (eio_init (want_poll, done_poll) < 0)
752	croak ("IO::AIO: unable to initialise eio library");	931	croak ("IO::AIO: unable to initialise eio library");
753	}	932	}
754
755	/*****************************************************************************/
756
757	#if !_POSIX_MAPPED_FILES
758	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
759	# define munmap(addr,length) EIO_ENOSYS ()
760	#endif
761
762	#if !_POSIX_MEMORY_PROTECTION
763	# define mprotect(addr,len,prot) EIO_ENOSYS ()
764	#endif
765
766	#define MMAP_MAGIC PERL_MAGIC_ext
767
768	static int ecb_cold
769	mmap_free (pTHX_ SV sv, MAGIC mg)
770	{
771	int old_errno = errno;
772	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
773	errno = old_errno;
774
775	mg->mg_obj = 0; /* just in case */
776
777	SvREADONLY_off (sv);
778
779	if (SvPVX (sv) != mg->mg_ptr)
780	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
781
782	SvCUR_set (sv, 0);
783	SvPVX (sv) = 0;
784	SvOK_off (sv);
785
786	return 0;
787	}
788
789	static MGVTBL mmap_vtbl = {
790	0, 0, 0, 0, mmap_free
791	};
792		933
793	/*****************************************************************************/	934	/*****************************************************************************/
794		935
795	static SV *	936	static SV *
796	get_cb (SV *cb_sv)	937	get_cb (SV *cb_sv)
…		…
892	req_set_path1 (req, fh_or_path);	1033	req_set_path1 (req, fh_or_path);
893	break;	1034	break;
894	}	1035	}
895	}	1036	}
896		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
897	XS(boot_IO__AIO) ecb_cold;	1055	XS(boot_IO__AIO) ecb_cold;
898		1056
899	MODULE = IO::AIO PACKAGE = IO::AIO	1057	MODULE = IO::AIO PACKAGE = IO::AIO
900		1058
901	PROTOTYPES: ENABLE	1059	PROTOTYPES: ENABLE
…		…
932	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)	1090	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
933	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)	1091	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
934	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)	1092	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
935		1093
936	/* the second block will be 0 when missing */	1094	/* the second block will be 0 when missing */
		1095	const_iv (O_ACCMODE)
		1096
937	const_iv (O_RDONLY)	1097	const_iv (O_RDONLY)
938	const_iv (O_WRONLY)	1098	const_iv (O_WRONLY)
939	const_iv (O_RDWR)	1099	const_iv (O_RDWR)
940	const_iv (O_CREAT)	1100	const_iv (O_CREAT)
941	const_iv (O_TRUNC)	1101	const_iv (O_TRUNC)
…		…
1001	const_iv (MAP_GROWSDOWN)	1161	const_iv (MAP_GROWSDOWN)
1002	const_iv (MAP_32BIT)	1162	const_iv (MAP_32BIT)
1003	const_iv (MAP_HUGETLB)	1163	const_iv (MAP_HUGETLB)
1004	const_iv (MAP_STACK)	1164	const_iv (MAP_STACK)
1005		1165
		1166	const_iv (MREMAP_MAYMOVE)
		1167	const_iv (MREMAP_FIXED)
		1168
1006	const_iv (F_DUPFD_CLOEXEC)	1169	const_iv (F_DUPFD_CLOEXEC)
		1170
		1171	const_iv (MSG_CMSG_CLOEXEC)
		1172	const_iv (SOCK_CLOEXEC)
1007		1173
1008	const_iv (F_OFD_GETLK)	1174	const_iv (F_OFD_GETLK)
1009	const_iv (F_OFD_SETLK)	1175	const_iv (F_OFD_SETLK)
1010	const_iv (F_OFD_GETLKW)	1176	const_iv (F_OFD_GETLKW)
1011		1177
…		…
1084	const_iv (SPLICE_F_MOVE)	1250	const_iv (SPLICE_F_MOVE)
1085	const_iv (SPLICE_F_NONBLOCK)	1251	const_iv (SPLICE_F_NONBLOCK)
1086	const_iv (SPLICE_F_MORE)	1252	const_iv (SPLICE_F_MORE)
1087	const_iv (SPLICE_F_GIFT)	1253	const_iv (SPLICE_F_GIFT)
1088		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
1089	/* these are libeio constants, and are independent of gendef0 */	1271	/* these are libeio constants, and are independent of gendef0 */
1090	const_eio (SEEK_SET)	1272	const_eio (SEEK_SET)
1091	const_eio (SEEK_CUR)	1273	const_eio (SEEK_CUR)
1092	const_eio (SEEK_END)	1274	const_eio (SEEK_END)
1093		1275
…		…
1139	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)	1321	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
1140	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));	1322	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
1141		1323
1142	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1324	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
1143		1325
		1326	/* allocate dummy pipe fd for aio_close */
		1327	{
		1328	int pipefd [2];
		1329
		1330	if (
		1331	#ifdef _WIN32
		1332	_pipe (pipefd, 1, _O_BINARY) < 0
		1333	#else
		1334	pipe (pipefd) < 0
		1335	\|\| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1336	#endif
		1337	\|\| close (pipefd [1]) < 0
		1338	)
		1339	croak ("IO::AIO: unable to create dummy pipe for aio_close");
		1340
		1341	close_fd = pipefd [0];
		1342	}
		1343
1144	reinit ();	1344	reinit ();
1145	}	1345	}
1146		1346
1147	void	1347	void
1148	reinit ()	1348	reinit ()
…		…
1270		1470
1271	void	1471	void
1272	aio_close (SV fh, SV callback = &PL_sv_undef)	1472	aio_close (SV fh, SV callback = &PL_sv_undef)
1273	PPCODE:	1473	PPCODE:
1274	{	1474	{
1275	static int close_fd = -1; /* dummy fd to close fds via dup2 */
1276	int fd = s_fileno_croak (fh, 0);	1475	int fd = s_fileno_croak (fh, 0);
1277	dREQ;	1476	dREQ;
1278
1279	if (expect_false (close_fd < 0))
1280	{
1281	int pipefd [2];
1282
1283	if (
1284	#ifdef _WIN32
1285	_pipe (pipefd, 1, _O_BINARY) < 0
1286	#else
1287	pipe (pipefd) < 0
1288	\|\| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1289	#endif
1290	\|\| close (pipefd [1]) < 0
1291	)
1292	abort (); /D/
1293
1294	close_fd = pipefd [0];
1295	}
1296		1477
1297	req->type = EIO_DUP2;	1478	req->type = EIO_DUP2;
1298	req->int1 = close_fd;	1479	req->int1 = close_fd;
1299	req->sv2 = newSVsv (fh);	1480	req->sv2 = newSVsv (fh);
1300	req->int2 = fd;	1481	req->int2 = fd;
…		…
1476	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);	1657	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1477		1658
1478	REQ_SEND;	1659	REQ_SEND;
1479	}	1660	}
1480		1661
		1662	void
		1663	st_xtime ()
		1664	ALIAS:
		1665	st_atime = 0x01
		1666	st_mtime = 0x02
		1667	st_ctime = 0x04
		1668	st_btime = 0x08
		1669	st_xtime = 0x0f
		1670	PPCODE:
		1671	EXTEND (SP, 4);
		1672	if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
		1673	if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
		1674	if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
		1675	if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
		1676
		1677	void
		1678	st_xtimensec ()
		1679	ALIAS:
		1680	st_atimensec = 0x01
		1681	st_mtimensec = 0x02
		1682	st_ctimensec = 0x04
		1683	st_btimensec = 0x08
		1684	st_xtimensec = 0x0f
		1685	st_btimesec = 0x10
		1686	st_gen = 0x20
		1687	PPCODE:
		1688	EXTEND (SP, 4);
		1689	if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
		1690	if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
		1691	if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
		1692	if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
		1693	if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
		1694	if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
		1695
1481	UV	1696	UV
1482	major (UV dev)	1697	major (UV dev)
1483	ALIAS:	1698	ALIAS:
1484	minor = 1	1699	minor = 1
1485	CODE:	1700	CODE:
…		…
1735	req->int2 = flags;	1950	req->int2 = flags;
1736	req->int3 = SvOK (count) ? SvIV (count) : -1;	1951	req->int3 = SvOK (count) ? SvIV (count) : -1;
1737	#endif	1952	#endif
1738		1953
1739	REQ_SEND;	1954	REQ_SEND;
		1955	}
		1956
		1957	void
		1958	aio_slurp (SV pathname, off_t offset, UV length, SV8 data, SV *callback = &PL_sv_undef)
		1959	PPCODE:
		1960	{
		1961	char *svptr = 0;
		1962
		1963	sv_clear_foreign (data);
		1964
		1965	if (length) /* known length, directly read into scalar */
		1966	{
		1967	if (!SvPOK (data) \|\| SvLEN (data) >= SvCUR (data))
		1968	svptr = sv_grow (data, length + 1);
		1969	else if (SvCUR (data) < length)
		1970	croak ("length outside of scalar, and cannot grow");
		1971	else
		1972	svptr = SvPVbyte_nolen (data);
		1973	}
		1974
		1975	{
		1976	dREQ;
		1977
		1978	req->type = EIO_SLURP;
		1979	req_set_path1 (req, pathname);
		1980	req->offs = offset;
		1981	req->size = length;
		1982	req->sv2 = SvREFCNT_inc (data);
		1983	req->ptr2 = svptr;
		1984
		1985	if (!SvREADONLY (data))
		1986	{
		1987	SvREADONLY_on (data);
		1988	req->flags \|= FLAG_SV2_RO_OFF;
		1989	}
		1990
		1991	REQ_SEND;
		1992	}
1740	}	1993	}
1741		1994
1742	void	1995	void
1743	aio_busy (double delay, SV *callback = &PL_sv_undef)	1996	aio_busy (double delay, SV *callback = &PL_sv_undef)
1744	PPCODE:	1997	PPCODE:
…		…
1881	RETVAL	2134	RETVAL
1882		2135
1883	void	2136	void
1884	mmap (SV scalar, STRLEN length, int prot, int flags, SV fh = &PL_sv_undef, off_t offset = 0)	2137	mmap (SV scalar, STRLEN length, int prot, int flags, SV fh = &PL_sv_undef, off_t offset = 0)
1885	PPCODE:	2138	PPCODE:
1886	sv_unmagic (scalar, MMAP_MAGIC);	2139	sv_clear_foreign (scalar);
1887	{	2140	{
1888	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	2141	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1889	void addr = (void )mmap (0, length, prot, flags, fd, offset);	2142	void addr = (void )mmap (0, length, prot, flags, fd, offset);
1890	if (addr == (void *)-1)	2143	if (addr == (void *)-1)
1891	XSRETURN_NO;	2144	XSRETURN_NO;
1892		2145
1893	sv_force_normal (scalar);	2146	sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1894
1895	/* we store the length in mg_obj, as namlen is I32 :/ */
1896	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1897	->mg_obj = (SV *)length;
1898
1899	SvUPGRADE (scalar, SVt_PV); /* nop... */
1900		2147
1901	if (!(prot & PROT_WRITE))	2148	if (!(prot & PROT_WRITE))
1902	SvREADONLY_on (scalar);	2149	SvREADONLY_on (scalar);
1903		2150
1904	if (SvLEN (scalar))
1905	Safefree (SvPVX (scalar));
1906
1907	SvPVX (scalar) = (char *)addr;
1908	SvCUR_set (scalar, length);
1909	SvLEN_set (scalar, 0);
1910	SvPOK_only (scalar);
1911
1912	XSRETURN_YES;	2151	XSRETURN_YES;
1913	}	2152	}
1914		2153
1915	void	2154	void
1916	munmap (SV *scalar)	2155	munmap (SV *scalar)
1917	CODE:	2156	CODE:
1918	sv_unmagic (scalar, MMAP_MAGIC);	2157	sv_clear_foreign (scalar);
		2158
		2159	SV *
		2160	mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
		2161	CODE:
		2162	{
		2163	MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
		2164	void *new;
		2165
		2166	if (!mg \|\| SvPVX (scalar) != mg->mg_ptr)
		2167	croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
		2168
		2169	new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
		2170
		2171	RETVAL = &PL_sv_no;
		2172
		2173	if (new != (void *)-1)
		2174	{
		2175	RETVAL = new == (void *)mg->mg_ptr
		2176	? newSVpvn ("0 but true", 10)
		2177	: &PL_sv_yes;
		2178
		2179	mg->mg_ptr = (char *)new;
		2180	mg->mg_obj = (SV *)new_length;
		2181
		2182	SvPVX (scalar) = mg->mg_ptr;
		2183	SvCUR_set (scalar, new_length);
		2184	}
		2185	}
		2186	OUTPUT:
		2187	RETVAL
1919		2188
1920	int	2189	int
1921	madvise (SV scalar, STRLEN offset = 0, SV length = &PL_sv_undef, IV advice_or_prot)	2190	madvise (SV scalar, IV offset = 0, SV length = &PL_sv_undef, IV advice_or_prot)
1922	ALIAS:	2191	ALIAS:
1923	mprotect = 1	2192	mprotect = 1
1924	CODE:	2193	CODE:
1925	{	2194	{
1926	STRLEN svlen;	2195	STRLEN svlen;
…		…
1947	}	2216	}
1948	OUTPUT:	2217	OUTPUT:
1949	RETVAL	2218	RETVAL
1950		2219
1951	int	2220	int
1952	munlock (SV scalar, STRLEN offset = 0, SV length = &PL_sv_undef)	2221	munlock (SV scalar, IV offset = 0, SV length = &PL_sv_undef)
1953	CODE:	2222	CODE:
1954	{	2223	{
1955	STRLEN svlen;	2224	STRLEN svlen;
1956	void *addr = SvPVbyte (scalar, svlen);	2225	void *addr = SvPVbyte (scalar, svlen);
1957	size_t len = SvUV (length);	2226	size_t len = SvUV (length);
…		…
2053	{	2322	{
2054	EXTEND (SP, 2);	2323	EXTEND (SP, 2);
2055	PUSHs (newmortalFH (fd[0], O_RDONLY));	2324	PUSHs (newmortalFH (fd[0], O_RDONLY));
2056	PUSHs (newmortalFH (fd[1], O_WRONLY));	2325	PUSHs (newmortalFH (fd[1], O_WRONLY));
2057	}	2326	}
		2327	}
		2328
		2329	void
		2330	eventfd (unsigned int initval = 0, int flags = 0)
		2331	PPCODE:
		2332	{
		2333	int fd;
		2334	#if HAVE_EVENTFD
		2335	fd = eventfd (initval, flags);
		2336	#else
		2337	fd = (errno = ENOSYS, -1);
		2338	#endif
		2339
		2340	XPUSHs (newmortalFH (fd, O_RDWR));
		2341	}
		2342
		2343	void
		2344	timerfd_create (int clockid, int flags = 0)
		2345	PPCODE:
		2346	{
		2347	int fd;
		2348	#if HAVE_TIMERFD
		2349	fd = timerfd_create (clockid, flags);
		2350	#else
		2351	fd = (errno = ENOSYS, -1);
		2352	#endif
		2353
		2354	XPUSHs (newmortalFH (fd, O_RDWR));
		2355	}
		2356
		2357	void
		2358	timerfd_settime (SV *fh, int flags, NV interval, NV value)
		2359	PPCODE:
		2360	{
		2361	int fd = s_fileno_croak (fh, 0);
		2362	#if HAVE_TIMERFD
		2363	int res;
		2364	struct itimerspec its, ots;
		2365
		2366	ts_set (&its.it_interval, interval);
		2367	ts_set (&its.it_value , value);
		2368	res = timerfd_settime (fd, flags, &its, &ots);
		2369
		2370	if (!res)
		2371	{
		2372	EXTEND (SP, 2);
		2373	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2374	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2375	}
		2376	#else
		2377	errno = ENOSYS;
		2378	#endif
		2379	}
		2380
		2381	void
		2382	timerfd_gettime (SV *fh)
		2383	PPCODE:
		2384	{
		2385	int fd = s_fileno_croak (fh, 0);
		2386	#if HAVE_TIMERFD
		2387	int res;
		2388	struct itimerspec ots;
		2389	res = timerfd_gettime (fd, &ots);
		2390
		2391	if (!res)
		2392	{
		2393	EXTEND (SP, 2);
		2394	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2395	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2396	}
		2397	#else
		2398	errno = ENOSYS;
		2399	#endif
2058	}	2400	}
2059		2401
2060	UV	2402	UV
2061	get_fdlimit ()	2403	get_fdlimit ()
2062	CODE:	2404	CODE:

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Comparing IO-AIO/AIO.xs (file contents): Revision 1.250 by root, Fri Sep 22 05:20:39 2017 UTC vs. Revision 1.267 by root, Sat Aug 25 19:25:32 2018 UTC

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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.250 by root, Fri Sep 22 05:20:39 2017 UTC vs.
Revision 1.267 by root, Sat Aug 25 19:25:32 2018 UTC