[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 1.273 by root, Mon Mar 4 10:28:38 2019 UTC

…		…
3	#include <errno.h>	3	#include <errno.h>
4		4
5	#include "EXTERN.h"	5	#include "EXTERN.h"
6	#include "perl.h"	6	#include "perl.h"
7	#include "XSUB.h"	7	#include "XSUB.h"
		8	#include "perliol.h"
8		9
9	#include "schmorp.h"	10	#if !defined mg_findext
		11	# define mg_findext(sv,type,vtbl) mg_find (sv, type)
		12	#endif
10		13
11	#include <stddef.h>	14	#include <stddef.h>
12	#include <stdlib.h>	15	#include <stdlib.h>
13	#include <errno.h>	16	#include <errno.h>
14	#include <sys/types.h>	17	#include <sys/types.h>
		18	#include <sys/socket.h>
15	#include <sys/stat.h>	19	#include <sys/stat.h>
16	#include <limits.h>	20	#include <limits.h>
17	#include <fcntl.h>	21	#include <fcntl.h>
18	#include <sched.h>	22	#include <sched.h>
19
20	#if _POSIX_MEMLOCK \|\| _POSIX_MEMLOCK_RANGE \|\| _POSIX_MAPPED_FILES
21	# include <sys/mman.h>
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. don't complain to me if this fails	26	* for his broken iplementation. don't complain to me if this fails
27	* for you.	27	* for you.
…		…
75	#undef fchmod	75	#undef fchmod
76	#undef dup	76	#undef dup
77	#undef dup2	77	#undef dup2
78	#undef abort	78	#undef abort
79	#undef pipe	79	#undef pipe
		80	#undef utime
80		81
81	#define EIO_STRUCT_STAT struct _stati64	82	#define EIO_STRUCT_STAT struct _stati64
82	#define EIO_STRUCT_STATI64	83	#define EIO_STRUCT_STATI64
83		84
84	#else	85	#else
…		…
104	#define expect_false(expr) expect ((expr) != 0, 0)	105	#define expect_false(expr) expect ((expr) != 0, 0)
105	#define expect_true(expr) expect ((expr) != 0, 1)	106	#define expect_true(expr) expect ((expr) != 0, 1)
106		107
107	/*****************************************************************************/	108	/*****************************************************************************/
108		109
109	#include "libeio/config.h"	110	#include "config.h"
		111
		112	#if HAVE_SYS_MKDEV_H
		113	# include <sys/mkdev.h>
		114	#elif HAVE_SYS_SYSMACROS_H
		115	# include <sys/sysmacros.h>
		116	#endif
		117
		118	#if _POSIX_MEMLOCK \|\| _POSIX_MEMLOCK_RANGE \|\| _POSIX_MAPPED_FILES
		119	# include <sys/mman.h>
		120	#endif
		121
		122	#if HAVE_ST_XTIMENSEC
		123	# define ATIMENSEC PL_statcache.st_atimensec
		124	# define MTIMENSEC PL_statcache.st_mtimensec
		125	# define CTIMENSEC PL_statcache.st_ctimensec
		126	#elif HAVE_ST_XTIMESPEC
		127	# define ATIMENSEC PL_statcache.st_atim.tv_nsec
		128	# define MTIMENSEC PL_statcache.st_mtim.tv_nsec
		129	# define CTIMENSEC PL_statcache.st_ctim.tv_nsec
		130	#else
		131	# define ATIMENSEC 0
		132	# define MTIMENSEC 0
		133	# define CTIMENSEC 0
		134	#endif
		135
		136	#if HAVE_ST_BIRTHTIMENSEC
		137	# define BTIMESEC PL_statcache.st_birthtime
		138	# define BTIMENSEC PL_statcache.st_birthtimensec
		139	#elif HAVE_ST_BIRTHTIMESPEC
		140	# define BTIMESEC PL_statcache.st_birthtim.tv_sec
		141	# define BTIMENSEC PL_statcache.st_birthtim.tv_nsec
		142	#else
		143	# define BTIMESEC 0
		144	# define BTIMENSEC 0
		145	#endif
		146
		147	#if HAVE_ST_GEN
		148	# define ST_GEN PL_statcache.st_gen
		149	#else
		150	# define ST_GEN 0
		151	#endif
		152
		153	#include "schmorp.h"
		154
		155	#if HAVE_EVENTFD
		156	# include <sys/eventfd.h>
		157	#endif
		158
		159	#if HAVE_TIMERFD
		160	# include <sys/timerfd.h>
		161	#endif
110		162
111	#if HAVE_RLIMITS	163	#if HAVE_RLIMITS
112	#include <sys/time.h>	164	#include <sys/time.h>
113	#include <sys/resource.h>	165	#include <sys/resource.h>
114	#endif	166	#endif
…		…
151	# else	203	# else
152	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	204	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
153	# endif	205	# endif
154	#endif	206	#endif
155		207
		208	#ifndef makedev
		209	# define makedev(maj,min) (((maj) << 8) \| (min))
		210	#endif
		211	#ifndef major
		212	# define major(dev) ((dev) >> 8)
		213	#endif
		214	#ifndef minor
		215	# define minor(dev) ((dev) & 0xff)
		216	#endif
		217
		218	/* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */
		219	#ifdef __sun
		220	# undef PAGESIZE
		221	#endif
		222
		223	#if PAGESIZE <= 0
		224	# define PAGESIZE sysconf (_SC_PAGESIZE)
		225	#endif
		226
		227	/*****************************************************************************/
		228
		229	#if !_POSIX_MAPPED_FILES
		230	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
		231	# define munmap(addr,length) EIO_ENOSYS ()
		232	#endif
		233
		234	#if !_POSIX_MEMORY_PROTECTION
		235	# define mprotect(addr,len,prot) EIO_ENOSYS ()
		236	#endif
		237
		238	#if !MREMAP_MAYMOVE
		239	# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
		240	#endif
		241
		242	#define FOREIGN_MAGIC PERL_MAGIC_ext
		243
		244	static int ecb_cold
		245	mmap_free (pTHX_ SV sv, MAGIC mg)
		246	{
		247	int old_errno = errno;
		248	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		249	errno = old_errno;
		250
		251	mg->mg_obj = 0; /* just in case */
		252
		253	SvREADONLY_off (sv);
		254
		255	if (SvPVX (sv) != mg->mg_ptr)
		256	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		257
		258	SvCUR_set (sv, 0);
		259	SvPVX (sv) = 0;
		260	SvOK_off (sv);
		261
		262	return 0;
		263	}
		264
		265	static MGVTBL mmap_vtbl = {
		266	0, 0, 0, 0, mmap_free
		267	};
		268
		269	static int ecb_cold
		270	sysfree_free (pTHX_ SV sv, MAGIC mg)
		271	{
		272	free (mg->mg_ptr);
		273	mg->mg_obj = 0; /* just in case */
		274
		275	SvREADONLY_off (sv);
		276
		277	if (SvPVX (sv) != mg->mg_ptr)
		278	croak ("ERROR: IO::AIO mapped scalar changed location, detected");
		279
		280	SvCUR_set (sv, 0);
		281	SvPVX (sv) = 0;
		282	SvOK_off (sv);
		283
		284	return 0;
		285	}
		286
		287	static MGVTBL sysfree_vtbl = {
		288	0, 0, 0, 0, sysfree_free
		289	};
		290
		291	/*****************************************************************************/
		292
		293	/* helper: set scalar to foreign ptr with custom free */
		294	static void
		295	sv_set_foreign (SV sv, const MGVTBL const vtbl, void *addr, IV length)
		296	{
		297	sv_force_normal (sv);
		298
		299	/* we store the length in mg_obj, as namlen is I32 :/ */
		300	sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
		301	->mg_obj = (SV *)length;
		302
		303	SvUPGRADE (sv, SVt_PV); /* nop... */
		304
		305	if (SvLEN (sv))
		306	Safefree (SvPVX (sv));
		307
		308	SvPVX (sv) = (char *)addr;
		309	SvCUR_set (sv, length);
		310	SvLEN_set (sv, 0);
		311	SvPOK_only (sv);
		312	}
		313
		314	static void
		315	sv_clear_foreign (SV *sv)
		316	{
		317	/* todo: iterate over magic and only free ours, but of course */
		318	/* the perl5porters will call that (correct) behaviour buggy */
		319	sv_unmagic (sv, FOREIGN_MAGIC);
		320	}
		321
		322	/*****************************************************************************/
		323
156	/* defines all sorts of constants to 0 unless they are already defined */	324	/* defines all sorts of constants to 0 unless they are already defined */
157	/* also provides const_iv_ and const_niv_ macros for them */	325	/* also provides const_iv_ and const_niv_ macros for them */
158	#include "def0.h"	326	#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		327
174	/*****************************************************************************/	328	/*****************************************************************************/
175		329
176	static void	330	static void
177	fiemap (eio_req *req)	331	fiemap (eio_req *req)
…		…
268	errno = ENOSYS;	422	errno = ENOSYS;
269	#endif	423	#endif
270	}	424	}
271		425
272	/*****************************************************************************/	426	/*****************************************************************************/
		427
		428	static int close_fd; /* dummy fd to close fds via dup2 */
273		429
274	enum {	430	enum {
275	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	431	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
276	};	432	};
277		433
…		…
597	SvSETMAGIC (req->sv2);	753	SvSETMAGIC (req->sv2);
598	PUSHs (sv_result);	754	PUSHs (sv_result);
599	}	755	}
600	break;	756	break;
601		757
		758	case EIO_SLURP:
		759	{
		760	if (req->result >= 0)
		761	{
		762	/* if length was originally not known, we steal the malloc'ed memory */
		763	if (req->flags & EIO_FLAG_PTR2_FREE)
		764	{
		765	req->flags &= ~EIO_FLAG_PTR2_FREE;
		766	sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
		767	}
		768	else
		769	{
		770	SvCUR_set (req->sv2, req->result);
		771	*SvEND (req->sv2) = 0;
		772	SvPOK_only (req->sv2);
		773	}
		774
		775	SvSETMAGIC (req->sv2);
		776	}
		777
		778	PUSHs (sv_result);
		779	}
		780	break;
		781
602	case EIO_CUSTOM:	782	case EIO_CUSTOM:
603	if (req->feed == fiemap)	783	if (req->feed == fiemap)
604	{	784	{
605	#if HAVE_FIEMAP	785	#if HAVE_FIEMAP
606	if (!req->result)	786	if (!req->result)
…		…
637	}	817	}
638	else	818	else
639	PUSHs (sv_result);	819	PUSHs (sv_result);
640	break;	820	break;
641		821
		822	#if 0
		823	case EIO_CLOSE:
		824	PerlIOUnix_refcnt_dec (req->int1);
		825	break;
		826	#endif
		827
642	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */	828	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
643	if (req->result > 0)	829	if (req->result > 0)
644	SvIV_set (sv_result, 0);	830	SvIV_set (sv_result, 0);
645	/* FALLTHROUGH */	831	/* FALLTHROUGH */
646		832
…		…
749	create_respipe ();	935	create_respipe ();
750		936
751	if (eio_init (want_poll, done_poll) < 0)	937	if (eio_init (want_poll, done_poll) < 0)
752	croak ("IO::AIO: unable to initialise eio library");	938	croak ("IO::AIO: unable to initialise eio library");
753	}	939	}
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		940
793	/*****************************************************************************/	941	/*****************************************************************************/
794		942
795	static SV *	943	static SV *
796	get_cb (SV *cb_sv)	944	get_cb (SV *cb_sv)
…		…
892	req_set_path1 (req, fh_or_path);	1040	req_set_path1 (req, fh_or_path);
893	break;	1041	break;
894	}	1042	}
895	}	1043	}
896		1044
		1045	/*****************************************************************************/
		1046
		1047	static void
		1048	ts_set (struct timespec *ts, NV value)
		1049	{
		1050	ts->tv_sec = value;
		1051	ts->tv_nsec = (value - ts->tv_sec) * 1e9;
		1052	}
		1053
		1054	static NV
		1055	ts_get (const struct timespec *ts)
		1056	{
		1057	return ts->tv_sec + ts->tv_nsec * 1e-9;
		1058	}
		1059
		1060	/*****************************************************************************/
		1061
897	XS(boot_IO__AIO) ecb_cold;	1062	XS(boot_IO__AIO) ecb_cold;
898		1063
899	MODULE = IO::AIO PACKAGE = IO::AIO	1064	MODULE = IO::AIO PACKAGE = IO::AIO
900		1065
901	PROTOTYPES: ENABLE	1066	PROTOTYPES: ENABLE
…		…
932	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)	1097	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
933	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)	1098	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
934	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)	1099	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
935		1100
936	/* the second block will be 0 when missing */	1101	/* the second block will be 0 when missing */
		1102	const_iv (O_ACCMODE)
		1103
937	const_iv (O_RDONLY)	1104	const_iv (O_RDONLY)
938	const_iv (O_WRONLY)	1105	const_iv (O_WRONLY)
939	const_iv (O_RDWR)	1106	const_iv (O_RDWR)
940	const_iv (O_CREAT)	1107	const_iv (O_CREAT)
941	const_iv (O_TRUNC)	1108	const_iv (O_TRUNC)
…		…
1001	const_iv (MAP_GROWSDOWN)	1168	const_iv (MAP_GROWSDOWN)
1002	const_iv (MAP_32BIT)	1169	const_iv (MAP_32BIT)
1003	const_iv (MAP_HUGETLB)	1170	const_iv (MAP_HUGETLB)
1004	const_iv (MAP_STACK)	1171	const_iv (MAP_STACK)
1005		1172
		1173	const_iv (MREMAP_MAYMOVE)
		1174	const_iv (MREMAP_FIXED)
		1175
1006	const_iv (F_DUPFD_CLOEXEC)	1176	const_iv (F_DUPFD_CLOEXEC)
		1177
		1178	const_iv (MSG_CMSG_CLOEXEC)
		1179	const_iv (SOCK_CLOEXEC)
1007		1180
1008	const_iv (F_OFD_GETLK)	1181	const_iv (F_OFD_GETLK)
1009	const_iv (F_OFD_SETLK)	1182	const_iv (F_OFD_SETLK)
1010	const_iv (F_OFD_GETLKW)	1183	const_iv (F_OFD_GETLKW)
1011		1184
…		…
1084	const_iv (SPLICE_F_MOVE)	1257	const_iv (SPLICE_F_MOVE)
1085	const_iv (SPLICE_F_NONBLOCK)	1258	const_iv (SPLICE_F_NONBLOCK)
1086	const_iv (SPLICE_F_MORE)	1259	const_iv (SPLICE_F_MORE)
1087	const_iv (SPLICE_F_GIFT)	1260	const_iv (SPLICE_F_GIFT)
1088		1261
		1262	const_iv (EFD_CLOEXEC)
		1263	const_iv (EFD_NONBLOCK)
		1264	const_iv (EFD_SEMAPHORE)
		1265
		1266	const_iv (CLOCK_REALTIME)
		1267	const_iv (CLOCK_MONOTONIC)
		1268	const_iv (CLOCK_BOOTTIME)
		1269	const_iv (CLOCK_REALTIME_ALARM)
		1270	const_iv (CLOCK_BOOTTIME_ALARM)
		1271
		1272	const_iv (TFD_NONBLOCK)
		1273	const_iv (TFD_CLOEXEC)
		1274
		1275	const_iv (TFD_TIMER_ABSTIME)
		1276	const_iv (TFD_TIMER_CANCEL_ON_SET)
		1277
1089	/* these are libeio constants, and are independent of gendef0 */	1278	/* these are libeio constants, and are independent of gendef0 */
1090	const_eio (SEEK_SET)	1279	const_eio (SEEK_SET)
1091	const_eio (SEEK_CUR)	1280	const_eio (SEEK_CUR)
1092	const_eio (SEEK_END)	1281	const_eio (SEEK_END)
1093		1282
1094	const_eio (MCL_FUTURE)	1283	const_eio (MCL_FUTURE)
1095	const_eio (MCL_CURRENT)	1284	const_eio (MCL_CURRENT)
		1285	const_eio (MCL_ONFAULT)
1096		1286
1097	const_eio (MS_ASYNC)	1287	const_eio (MS_ASYNC)
1098	const_eio (MS_INVALIDATE)	1288	const_eio (MS_INVALIDATE)
1099	const_eio (MS_SYNC)	1289	const_eio (MS_SYNC)
1100		1290
…		…
1139	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)	1329	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));	1330	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
1141		1331
1142	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1332	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
1143		1333
		1334	/* allocate dummy pipe fd for aio_close */
		1335	{
		1336	int pipefd [2];
		1337
		1338	if (
		1339	#ifdef _WIN32
		1340	_pipe (pipefd, 1, _O_BINARY) < 0
		1341	#else
		1342	pipe (pipefd) < 0
		1343	\|\| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1344	#endif
		1345	\|\| close (pipefd [1]) < 0
		1346	)
		1347	croak ("IO::AIO: unable to create dummy pipe for aio_close");
		1348
		1349	close_fd = pipefd [0];
		1350	}
		1351
1144	reinit ();	1352	reinit ();
1145	}	1353	}
1146		1354
1147	void	1355	void
1148	reinit ()	1356	reinit ()
…		…
1270		1478
1271	void	1479	void
1272	aio_close (SV fh, SV callback = &PL_sv_undef)	1480	aio_close (SV fh, SV callback = &PL_sv_undef)
1273	PPCODE:	1481	PPCODE:
1274	{	1482	{
1275	static int close_fd = -1; /* dummy fd to close fds via dup2 */
1276	int fd = s_fileno_croak (fh, 0);	1483	int fd = s_fileno_croak (fh, 0);
1277	dREQ;	1484	dREQ;
		1485	#if 0
		1486	/* partially duplicate logic in s_fileno */
		1487	SvGETMAGIC (fh);
1278		1488
1279	if (expect_false (close_fd < 0))	1489	if (SvROK (fh))
		1490	{
		1491	fh = SvRV (fh);
		1492	SvGETMAGIC (fh);
		1493	}
		1494
		1495	if (SvTYPE (fh) == SVt_PVGV)
1280	{	1496	{
1281	int pipefd [2];	1497	/* perl filehandle */
		1498	PerlIOUnix_refcnt_inc (fd);
		1499	do_close ((GV *)fh, 1);
1282		1500
1283	if (	1501	req->type = EIO_CLOSE;
1284	#ifdef _WIN32	1502	req->int1 = fd;
1285	_pipe (pipefd, 1, _O_BINARY) < 0	1503	/req->sv2 = newSVsv (fh);/ /* since we stole the fd, no need to keep the fh */
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	}	1504	}
1296		1505	else
		1506	#endif
		1507	{
		1508	/* fd number */
1297	req->type = EIO_DUP2;	1509	req->type = EIO_DUP2;
1298	req->int1 = close_fd;	1510	req->int1 = close_fd;
1299	req->sv2 = newSVsv (fh);	1511	req->sv2 = newSVsv (fh);
1300	req->int2 = fd;	1512	req->int2 = fd;
		1513	}
1301		1514
1302	REQ_SEND;	1515	REQ_SEND;
1303	}	1516	}
1304		1517
1305	void	1518	void
…		…
1476	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);	1689	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1477		1690
1478	REQ_SEND;	1691	REQ_SEND;
1479	}	1692	}
1480		1693
		1694	void
		1695	st_xtime ()
		1696	ALIAS:
		1697	st_atime = 0x01
		1698	st_mtime = 0x02
		1699	st_ctime = 0x04
		1700	st_btime = 0x08
		1701	st_xtime = 0x0f
		1702	PPCODE:
		1703	EXTEND (SP, 4);
		1704	if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
		1705	if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
		1706	if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
		1707	if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
		1708
		1709	void
		1710	st_xtimensec ()
		1711	ALIAS:
		1712	st_atimensec = 0x01
		1713	st_mtimensec = 0x02
		1714	st_ctimensec = 0x04
		1715	st_btimensec = 0x08
		1716	st_xtimensec = 0x0f
		1717	st_btimesec = 0x10
		1718	st_gen = 0x20
		1719	PPCODE:
		1720	EXTEND (SP, 4);
		1721	if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
		1722	if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
		1723	if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
		1724	if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
		1725	if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
		1726	if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
		1727
1481	UV	1728	UV
1482	major (UV dev)	1729	major (UV dev)
1483	ALIAS:	1730	ALIAS:
1484	minor = 1	1731	minor = 1
1485	CODE:	1732	CODE:
…		…
1735	req->int2 = flags;	1982	req->int2 = flags;
1736	req->int3 = SvOK (count) ? SvIV (count) : -1;	1983	req->int3 = SvOK (count) ? SvIV (count) : -1;
1737	#endif	1984	#endif
1738		1985
1739	REQ_SEND;	1986	REQ_SEND;
		1987	}
		1988
		1989	void
		1990	aio_slurp (SV pathname, off_t offset, UV length, SV8 data, SV *callback = &PL_sv_undef)
		1991	PPCODE:
		1992	{
		1993	char *svptr = 0;
		1994
		1995	sv_clear_foreign (data);
		1996
		1997	if (length) /* known length, directly read into scalar */
		1998	{
		1999	if (!SvPOK (data) \|\| SvLEN (data) >= SvCUR (data))
		2000	svptr = sv_grow (data, length + 1);
		2001	else if (SvCUR (data) < length)
		2002	croak ("length outside of scalar, and cannot grow");
		2003	else
		2004	svptr = SvPVbyte_nolen (data);
		2005	}
		2006
		2007	{
		2008	dREQ;
		2009
		2010	req->type = EIO_SLURP;
		2011	req_set_path1 (req, pathname);
		2012	req->offs = offset;
		2013	req->size = length;
		2014	req->sv2 = SvREFCNT_inc (data);
		2015	req->ptr2 = svptr;
		2016
		2017	if (!SvREADONLY (data))
		2018	{
		2019	SvREADONLY_on (data);
		2020	req->flags \|= FLAG_SV2_RO_OFF;
		2021	}
		2022
		2023	REQ_SEND;
		2024	}
1740	}	2025	}
1741		2026
1742	void	2027	void
1743	aio_busy (double delay, SV *callback = &PL_sv_undef)	2028	aio_busy (double delay, SV *callback = &PL_sv_undef)
1744	PPCODE:	2029	PPCODE:
…		…
1881	RETVAL	2166	RETVAL
1882		2167
1883	void	2168	void
1884	mmap (SV scalar, STRLEN length, int prot, int flags, SV fh = &PL_sv_undef, off_t offset = 0)	2169	mmap (SV scalar, STRLEN length, int prot, int flags, SV fh = &PL_sv_undef, off_t offset = 0)
1885	PPCODE:	2170	PPCODE:
1886	sv_unmagic (scalar, MMAP_MAGIC);	2171	sv_clear_foreign (scalar);
1887	{	2172	{
1888	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	2173	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1889	void addr = (void )mmap (0, length, prot, flags, fd, offset);	2174	void addr = (void )mmap (0, length, prot, flags, fd, offset);
1890	if (addr == (void *)-1)	2175	if (addr == (void *)-1)
1891	XSRETURN_NO;	2176	XSRETURN_NO;
1892		2177
1893	sv_force_normal (scalar);	2178	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		2179
1901	if (!(prot & PROT_WRITE))	2180	if (!(prot & PROT_WRITE))
1902	SvREADONLY_on (scalar);	2181	SvREADONLY_on (scalar);
1903		2182
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;	2183	XSRETURN_YES;
1913	}	2184	}
1914		2185
1915	void	2186	void
1916	munmap (SV *scalar)	2187	munmap (SV *scalar)
1917	CODE:	2188	CODE:
1918	sv_unmagic (scalar, MMAP_MAGIC);	2189	sv_clear_foreign (scalar);
		2190
		2191	SV *
		2192	mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
		2193	CODE:
		2194	{
		2195	MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
		2196	void *new;
		2197
		2198	if (!mg \|\| SvPVX (scalar) != mg->mg_ptr)
		2199	croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
		2200
		2201	new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
		2202
		2203	RETVAL = &PL_sv_no;
		2204
		2205	if (new != (void *)-1)
		2206	{
		2207	RETVAL = new == (void *)mg->mg_ptr
		2208	? newSVpvn ("0 but true", 10)
		2209	: &PL_sv_yes;
		2210
		2211	mg->mg_ptr = (char *)new;
		2212	mg->mg_obj = (SV *)new_length;
		2213
		2214	SvPVX (scalar) = mg->mg_ptr;
		2215	SvCUR_set (scalar, new_length);
		2216	}
		2217	}
		2218	OUTPUT:
		2219	RETVAL
1919		2220
1920	int	2221	int
1921	madvise (SV scalar, STRLEN offset = 0, SV length = &PL_sv_undef, IV advice_or_prot)	2222	madvise (SV scalar, IV offset = 0, SV length = &PL_sv_undef, IV advice_or_prot)
1922	ALIAS:	2223	ALIAS:
1923	mprotect = 1	2224	mprotect = 1
1924	CODE:	2225	CODE:
1925	{	2226	{
1926	STRLEN svlen;	2227	STRLEN svlen;
…		…
1947	}	2248	}
1948	OUTPUT:	2249	OUTPUT:
1949	RETVAL	2250	RETVAL
1950		2251
1951	int	2252	int
1952	munlock (SV scalar, STRLEN offset = 0, SV length = &PL_sv_undef)	2253	munlock (SV scalar, IV offset = 0, SV length = &PL_sv_undef)
1953	CODE:	2254	CODE:
1954	{	2255	{
1955	STRLEN svlen;	2256	STRLEN svlen;
1956	void *addr = SvPVbyte (scalar, svlen);	2257	void *addr = SvPVbyte (scalar, svlen);
1957	size_t len = SvUV (length);	2258	size_t len = SvUV (length);
…		…
1972	#else	2273	#else
1973	RETVAL = EIO_ENOSYS ();	2274	RETVAL = EIO_ENOSYS ();
1974	#endif	2275	#endif
1975	}	2276	}
1976	OUTPUT:	2277	OUTPUT:
		2278	RETVAL
		2279
		2280	int
		2281	mlockall (int flags)
		2282	PROTOTYPE: $;
		2283	CODE:
		2284	RETVAL = eio_mlockall_sync (flags);
		2285	OUTPUT:
1977	RETVAL	2286	RETVAL
1978		2287
1979	int	2288	int
1980	munlockall ()	2289	munlockall ()
1981	CODE:	2290	CODE:
…		…
2053	{	2362	{
2054	EXTEND (SP, 2);	2363	EXTEND (SP, 2);
2055	PUSHs (newmortalFH (fd[0], O_RDONLY));	2364	PUSHs (newmortalFH (fd[0], O_RDONLY));
2056	PUSHs (newmortalFH (fd[1], O_WRONLY));	2365	PUSHs (newmortalFH (fd[1], O_WRONLY));
2057	}	2366	}
		2367	}
		2368
		2369	void
		2370	eventfd (unsigned int initval = 0, int flags = 0)
		2371	PPCODE:
		2372	{
		2373	int fd;
		2374	#if HAVE_EVENTFD
		2375	fd = eventfd (initval, flags);
		2376	#else
		2377	fd = (errno = ENOSYS, -1);
		2378	#endif
		2379
		2380	XPUSHs (newmortalFH (fd, O_RDWR));
		2381	}
		2382
		2383	void
		2384	timerfd_create (int clockid, int flags = 0)
		2385	PPCODE:
		2386	{
		2387	int fd;
		2388	#if HAVE_TIMERFD
		2389	fd = timerfd_create (clockid, flags);
		2390	#else
		2391	fd = (errno = ENOSYS, -1);
		2392	#endif
		2393
		2394	XPUSHs (newmortalFH (fd, O_RDWR));
		2395	}
		2396
		2397	void
		2398	timerfd_settime (SV *fh, int flags, NV interval, NV value)
		2399	PPCODE:
		2400	{
		2401	int fd = s_fileno_croak (fh, 0);
		2402	#if HAVE_TIMERFD
		2403	int res;
		2404	struct itimerspec its, ots;
		2405
		2406	ts_set (&its.it_interval, interval);
		2407	ts_set (&its.it_value , value);
		2408	res = timerfd_settime (fd, flags, &its, &ots);
		2409
		2410	if (!res)
		2411	{
		2412	EXTEND (SP, 2);
		2413	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2414	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2415	}
		2416	#else
		2417	errno = ENOSYS;
		2418	#endif
		2419	}
		2420
		2421	void
		2422	timerfd_gettime (SV *fh)
		2423	PPCODE:
		2424	{
		2425	int fd = s_fileno_croak (fh, 0);
		2426	#if HAVE_TIMERFD
		2427	int res;
		2428	struct itimerspec ots;
		2429	res = timerfd_gettime (fd, &ots);
		2430
		2431	if (!res)
		2432	{
		2433	EXTEND (SP, 2);
		2434	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2435	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2436	}
		2437	#else
		2438	errno = ENOSYS;
		2439	#endif
2058	}	2440	}
2059		2441
2060	UV	2442	UV
2061	get_fdlimit ()	2443	get_fdlimit ()
2062	CODE:	2444	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 1.273 by root, Mon Mar 4 10:28:38 2019 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 1.273 by root, Mon Mar 4 10:28:38 2019 UTC