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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.246 by root, Fri Jun 23 21:43:51 2017 UTC vs.
Revision 1.274 by root, Sun Mar 10 12:16:48 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
…		…
103		104
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	/*****************************************************************************/
		109
		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_SYS_UIO_H
		123	# include <sys/uio.h>
		124	#endif
		125
		126	#if HAVE_ST_XTIMENSEC
		127	# define ATIMENSEC PL_statcache.st_atimensec
		128	# define MTIMENSEC PL_statcache.st_mtimensec
		129	# define CTIMENSEC PL_statcache.st_ctimensec
		130	#elif HAVE_ST_XTIMESPEC
		131	# define ATIMENSEC PL_statcache.st_atim.tv_nsec
		132	# define MTIMENSEC PL_statcache.st_mtim.tv_nsec
		133	# define CTIMENSEC PL_statcache.st_ctim.tv_nsec
		134	#else
		135	# define ATIMENSEC 0
		136	# define MTIMENSEC 0
		137	# define CTIMENSEC 0
		138	#endif
		139
		140	#if HAVE_ST_BIRTHTIMENSEC
		141	# define BTIMESEC PL_statcache.st_birthtime
		142	# define BTIMENSEC PL_statcache.st_birthtimensec
		143	#elif HAVE_ST_BIRTHTIMESPEC
		144	# define BTIMESEC PL_statcache.st_birthtim.tv_sec
		145	# define BTIMENSEC PL_statcache.st_birthtim.tv_nsec
		146	#else
		147	# define BTIMESEC 0
		148	# define BTIMENSEC 0
		149	#endif
		150
		151	#if HAVE_ST_GEN
		152	# define ST_GEN PL_statcache.st_gen
		153	#else
		154	# define ST_GEN 0
		155	#endif
		156
		157	#include "schmorp.h"
		158
		159	#if HAVE_EVENTFD
		160	# include <sys/eventfd.h>
		161	#endif
		162
		163	#if HAVE_TIMERFD
		164	# include <sys/timerfd.h>
		165	#endif
		166
		167	#if HAVE_RLIMITS
		168	#include <sys/time.h>
		169	#include <sys/resource.h>
		170	#endif
108		171
109	typedef SV SV8; /* byte-sv, used for argument-checking */	172	typedef SV SV8; /* byte-sv, used for argument-checking */
110	typedef int aio_rfd; /* read file desriptor */	173	typedef int aio_rfd; /* read file desriptor */
111	typedef int aio_wfd; /* write file descriptor */	174	typedef int aio_wfd; /* write file descriptor */
112		175
…		…
119	STRLEN stroffset; \	182	STRLEN stroffset; \
120	SV *self;	183	SV *self;
121		184
122	#define EIO_NO_WRAPPERS 1	185	#define EIO_NO_WRAPPERS 1
123		186
124	#include "libeio/config.h"
125	#include "libeio/eio.h"	187	#include "libeio/eio.h"
126		188
127	static int req_invoke (eio_req *req);	189	static int req_invoke (eio_req *req);
128	#define EIO_FINISH(req) req_invoke (req)	190	#define EIO_FINISH(req) req_invoke (req)
129	static void req_destroy (eio_req *grp);	191	static void req_destroy (eio_req *grp);
…		…
145	# else	207	# else
146	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	208	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
147	# endif	209	# endif
148	#endif	210	#endif
149		211
		212	#ifndef makedev
		213	# define makedev(maj,min) (((maj) << 8) \| (min))
		214	#endif
		215	#ifndef major
		216	# define major(dev) ((dev) >> 8)
		217	#endif
		218	#ifndef minor
		219	# define minor(dev) ((dev) & 0xff)
		220	#endif
		221
		222	/* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */
		223	#ifdef __sun
		224	# undef PAGESIZE
		225	#endif
		226
		227	#if PAGESIZE <= 0
		228	# define PAGESIZE sysconf (_SC_PAGESIZE)
		229	#endif
		230
		231	/*****************************************************************************/
		232
		233	#if !_POSIX_MAPPED_FILES
		234	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
		235	# define munmap(addr,length) EIO_ENOSYS ()
		236	#endif
		237
		238	#if !_POSIX_MEMORY_PROTECTION
		239	# define mprotect(addr,len,prot) EIO_ENOSYS ()
		240	#endif
		241
		242	#if !MREMAP_MAYMOVE
		243	# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
		244	#endif
		245
		246	#define FOREIGN_MAGIC PERL_MAGIC_ext
		247
		248	static int ecb_cold
		249	mmap_free (pTHX_ SV sv, MAGIC mg)
		250	{
		251	int old_errno = errno;
		252	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		253	errno = old_errno;
		254
		255	mg->mg_obj = 0; /* just in case */
		256
		257	SvREADONLY_off (sv);
		258
		259	if (SvPVX (sv) != mg->mg_ptr)
		260	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		261
		262	SvCUR_set (sv, 0);
		263	SvPVX (sv) = 0;
		264	SvOK_off (sv);
		265
		266	return 0;
		267	}
		268
		269	static MGVTBL mmap_vtbl = {
		270	0, 0, 0, 0, mmap_free
		271	};
		272
		273	static int ecb_cold
		274	sysfree_free (pTHX_ SV sv, MAGIC mg)
		275	{
		276	free (mg->mg_ptr);
		277	mg->mg_obj = 0; /* just in case */
		278
		279	SvREADONLY_off (sv);
		280
		281	if (SvPVX (sv) != mg->mg_ptr)
		282	croak ("ERROR: IO::AIO mapped scalar changed location, detected");
		283
		284	SvCUR_set (sv, 0);
		285	SvPVX (sv) = 0;
		286	SvOK_off (sv);
		287
		288	return 0;
		289	}
		290
		291	static MGVTBL sysfree_vtbl = {
		292	0, 0, 0, 0, sysfree_free
		293	};
		294
		295	/*****************************************************************************/
		296
		297	/* helper: set scalar to foreign ptr with custom free */
		298	static void
		299	sv_set_foreign (SV sv, const MGVTBL const vtbl, void *addr, IV length)
		300	{
		301	sv_force_normal (sv);
		302
		303	/* we store the length in mg_obj, as namlen is I32 :/ */
		304	sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
		305	->mg_obj = (SV *)length;
		306
		307	SvUPGRADE (sv, SVt_PV); /* nop... */
		308
		309	if (SvLEN (sv))
		310	Safefree (SvPVX (sv));
		311
		312	SvPVX (sv) = (char *)addr;
		313	SvCUR_set (sv, length);
		314	SvLEN_set (sv, 0);
		315	SvPOK_only (sv);
		316	}
		317
		318	static void
		319	sv_clear_foreign (SV *sv)
		320	{
		321	/* todo: iterate over magic and only free ours, but of course */
		322	/* the perl5porters will call that (correct) behaviour buggy */
		323	sv_unmagic (sv, FOREIGN_MAGIC);
		324	}
		325
		326	/*****************************************************************************/
		327
150	/* defines all sorts of constants to 0 unless they are already defined */	328	/* defines all sorts of constants to 0 unless they are already defined */
151	/* also provides const_iv_ and const_niv_ macros for them */	329	/* also provides const_iv_ and const_niv_ macros for them */
152	#include "def0.h"	330	#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		331
168	/*****************************************************************************/	332	/*****************************************************************************/
169		333
170	static void	334	static void
171	fiemap (eio_req *req)	335	fiemap (eio_req *req)
…		…
262	errno = ENOSYS;	426	errno = ENOSYS;
263	#endif	427	#endif
264	}	428	}
265		429
266	/*****************************************************************************/	430	/*****************************************************************************/
		431
		432	static int close_fd; /* dummy fd to close fds via dup2 */
267		433
268	enum {	434	enum {
269	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	435	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
270	};	436	};
271		437
…		…
591	SvSETMAGIC (req->sv2);	757	SvSETMAGIC (req->sv2);
592	PUSHs (sv_result);	758	PUSHs (sv_result);
593	}	759	}
594	break;	760	break;
595		761
		762	case EIO_SLURP:
		763	{
		764	if (req->result >= 0)
		765	{
		766	/* if length was originally not known, we steal the malloc'ed memory */
		767	if (req->flags & EIO_FLAG_PTR2_FREE)
		768	{
		769	req->flags &= ~EIO_FLAG_PTR2_FREE;
		770	sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
		771	}
		772	else
		773	{
		774	SvCUR_set (req->sv2, req->result);
		775	*SvEND (req->sv2) = 0;
		776	SvPOK_only (req->sv2);
		777	}
		778
		779	SvSETMAGIC (req->sv2);
		780	}
		781
		782	PUSHs (sv_result);
		783	}
		784	break;
		785
596	case EIO_CUSTOM:	786	case EIO_CUSTOM:
597	if (req->feed == fiemap)	787	if (req->feed == fiemap)
598	{	788	{
599	#if HAVE_FIEMAP	789	#if HAVE_FIEMAP
600	if (!req->result)	790	if (!req->result)
…		…
631	}	821	}
632	else	822	else
633	PUSHs (sv_result);	823	PUSHs (sv_result);
634	break;	824	break;
635		825
		826	#if 0
		827	case EIO_CLOSE:
		828	PerlIOUnix_refcnt_dec (req->int1);
		829	break;
		830	#endif
		831
636	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */	832	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
637	if (req->result > 0)	833	if (req->result > 0)
638	SvIV_set (sv_result, 0);	834	SvIV_set (sv_result, 0);
639	/* FALLTHROUGH */	835	/* FALLTHROUGH */
640		836
…		…
743	create_respipe ();	939	create_respipe ();
744		940
745	if (eio_init (want_poll, done_poll) < 0)	941	if (eio_init (want_poll, done_poll) < 0)
746	croak ("IO::AIO: unable to initialise eio library");	942	croak ("IO::AIO: unable to initialise eio library");
747	}	943	}
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		944
787	/*****************************************************************************/	945	/*****************************************************************************/
788		946
789	static SV *	947	static SV *
790	get_cb (SV *cb_sv)	948	get_cb (SV *cb_sv)
…		…
886	req_set_path1 (req, fh_or_path);	1044	req_set_path1 (req, fh_or_path);
887	break;	1045	break;
888	}	1046	}
889	}	1047	}
890		1048
		1049	/*****************************************************************************/
		1050
		1051	static void
		1052	ts_set (struct timespec *ts, NV value)
		1053	{
		1054	ts->tv_sec = value;
		1055	ts->tv_nsec = (value - ts->tv_sec) * 1e9;
		1056	}
		1057
		1058	static NV
		1059	ts_get (const struct timespec *ts)
		1060	{
		1061	return ts->tv_sec + ts->tv_nsec * 1e-9;
		1062	}
		1063
		1064	/*****************************************************************************/
		1065
891	XS(boot_IO__AIO) ecb_cold;	1066	XS(boot_IO__AIO) ecb_cold;
892		1067
893	MODULE = IO::AIO PACKAGE = IO::AIO	1068	MODULE = IO::AIO PACKAGE = IO::AIO
894		1069
895	PROTOTYPES: ENABLE	1070	PROTOTYPES: ENABLE
…		…
924	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)	1099	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
925	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)	1100	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
926	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)	1101	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
927	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)	1102	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
928	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)	1103	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
929	const_niv (MADV_FREE , POSIX_MADV_FREE)
930		1104
931	/* the second block will be 0 when missing */	1105	/* the second block will be 0 when missing */
		1106	const_iv (O_ACCMODE)
		1107
932	const_iv (O_RDONLY)	1108	const_iv (O_RDONLY)
933	const_iv (O_WRONLY)	1109	const_iv (O_WRONLY)
934	const_iv (O_RDWR)	1110	const_iv (O_RDWR)
935	const_iv (O_CREAT)	1111	const_iv (O_CREAT)
936	const_iv (O_TRUNC)	1112	const_iv (O_TRUNC)
…		…
996	const_iv (MAP_GROWSDOWN)	1172	const_iv (MAP_GROWSDOWN)
997	const_iv (MAP_32BIT)	1173	const_iv (MAP_32BIT)
998	const_iv (MAP_HUGETLB)	1174	const_iv (MAP_HUGETLB)
999	const_iv (MAP_STACK)	1175	const_iv (MAP_STACK)
1000		1176
		1177	const_iv (MREMAP_MAYMOVE)
		1178	const_iv (MREMAP_FIXED)
		1179
1001	const_iv (F_DUPFD_CLOEXEC)	1180	const_iv (F_DUPFD_CLOEXEC)
		1181
		1182	const_iv (MSG_CMSG_CLOEXEC)
		1183	const_iv (SOCK_CLOEXEC)
1002		1184
1003	const_iv (F_OFD_GETLK)	1185	const_iv (F_OFD_GETLK)
1004	const_iv (F_OFD_SETLK)	1186	const_iv (F_OFD_SETLK)
1005	const_iv (F_OFD_GETLKW)	1187	const_iv (F_OFD_GETLKW)
1006		1188
…		…
1079	const_iv (SPLICE_F_MOVE)	1261	const_iv (SPLICE_F_MOVE)
1080	const_iv (SPLICE_F_NONBLOCK)	1262	const_iv (SPLICE_F_NONBLOCK)
1081	const_iv (SPLICE_F_MORE)	1263	const_iv (SPLICE_F_MORE)
1082	const_iv (SPLICE_F_GIFT)	1264	const_iv (SPLICE_F_GIFT)
1083		1265
		1266	const_iv (EFD_CLOEXEC)
		1267	const_iv (EFD_NONBLOCK)
		1268	const_iv (EFD_SEMAPHORE)
		1269
		1270	const_iv (CLOCK_REALTIME)
		1271	const_iv (CLOCK_MONOTONIC)
		1272	const_iv (CLOCK_BOOTTIME)
		1273	const_iv (CLOCK_REALTIME_ALARM)
		1274	const_iv (CLOCK_BOOTTIME_ALARM)
		1275
		1276	const_iv (TFD_NONBLOCK)
		1277	const_iv (TFD_CLOEXEC)
		1278
		1279	const_iv (TFD_TIMER_ABSTIME)
		1280	const_iv (TFD_TIMER_CANCEL_ON_SET)
		1281
1084	/* these are libeio constants, and are independent of gendef0 */	1282	/* these are libeio constants, and are independent of gendef0 */
1085	const_eio (SEEK_SET)	1283	const_eio (SEEK_SET)
1086	const_eio (SEEK_CUR)	1284	const_eio (SEEK_CUR)
1087	const_eio (SEEK_END)	1285	const_eio (SEEK_END)
1088		1286
1089	const_eio (MCL_FUTURE)	1287	const_eio (MCL_FUTURE)
1090	const_eio (MCL_CURRENT)	1288	const_eio (MCL_CURRENT)
		1289	const_eio (MCL_ONFAULT)
1091		1290
1092	const_eio (MS_ASYNC)	1291	const_eio (MS_ASYNC)
1093	const_eio (MS_INVALIDATE)	1292	const_eio (MS_INVALIDATE)
1094	const_eio (MS_SYNC)	1293	const_eio (MS_SYNC)
1095		1294
…		…
1101		1300
1102	const_eio (FALLOC_FL_KEEP_SIZE)	1301	const_eio (FALLOC_FL_KEEP_SIZE)
1103	const_eio (FALLOC_FL_PUNCH_HOLE)	1302	const_eio (FALLOC_FL_PUNCH_HOLE)
1104	const_eio (FALLOC_FL_COLLAPSE_RANGE)	1303	const_eio (FALLOC_FL_COLLAPSE_RANGE)
1105	const_eio (FALLOC_FL_ZERO_RANGE)	1304	const_eio (FALLOC_FL_ZERO_RANGE)
		1305	const_eio (FALLOC_FL_INSERT_RANGE)
		1306	const_eio (FALLOC_FL_UNSHARE_RANGE)
1106		1307
1107	const_eio (RENAME_NOREPLACE)	1308	const_eio (RENAME_NOREPLACE)
1108	const_eio (RENAME_EXCHANGE)	1309	const_eio (RENAME_EXCHANGE)
1109	const_eio (RENAME_WHITEOUT)	1310	const_eio (RENAME_WHITEOUT)
1110		1311
…		…
1132	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)	1333	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
1133	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));	1334	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
1134		1335
1135	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1336	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
1136		1337
		1338	/* allocate dummy pipe fd for aio_close */
		1339	{
		1340	int pipefd [2];
		1341
		1342	if (
		1343	#ifdef _WIN32
		1344	_pipe (pipefd, 1, _O_BINARY) < 0
		1345	#else
		1346	pipe (pipefd) < 0
		1347	\|\| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1348	#endif
		1349	\|\| close (pipefd [1]) < 0
		1350	)
		1351	croak ("IO::AIO: unable to create dummy pipe for aio_close");
		1352
		1353	close_fd = pipefd [0];
		1354	}
		1355
1137	reinit ();	1356	reinit ();
1138	}	1357	}
1139		1358
1140	void	1359	void
1141	reinit ()	1360	reinit ()
…		…
1263		1482
1264	void	1483	void
1265	aio_close (SV fh, SV callback = &PL_sv_undef)	1484	aio_close (SV fh, SV callback = &PL_sv_undef)
1266	PPCODE:	1485	PPCODE:
1267	{	1486	{
1268	static int close_fd = -1; /* dummy fd to close fds via dup2 */
1269	int fd = s_fileno_croak (fh, 0);	1487	int fd = s_fileno_croak (fh, 0);
1270	dREQ;	1488	dREQ;
		1489	#if 0
		1490	/* partially duplicate logic in s_fileno */
		1491	SvGETMAGIC (fh);
1271		1492
1272	if (expect_false (close_fd < 0))	1493	if (SvROK (fh))
		1494	{
		1495	fh = SvRV (fh);
		1496	SvGETMAGIC (fh);
		1497	}
		1498
		1499	if (SvTYPE (fh) == SVt_PVGV)
1273	{	1500	{
1274	int pipefd [2];	1501	/* perl filehandle */
		1502	PerlIOUnix_refcnt_inc (fd);
		1503	do_close ((GV *)fh, 1);
1275		1504
1276	if (	1505	req->type = EIO_CLOSE;
1277	#ifdef _WIN32	1506	req->int1 = fd;
1278	_pipe (pipefd, 1, _O_BINARY) < 0	1507	/req->sv2 = newSVsv (fh);/ /* since we stole the fd, no need to keep the fh */
1279	#else
1280	pipe (pipefd) < 0
1281	\|\| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1282	#endif
1283	\|\| close (pipefd [1]) < 0
1284	)
1285	abort (); /D/
1286
1287	close_fd = pipefd [0];
1288	}	1508	}
1289		1509	else
		1510	#endif
		1511	{
		1512	/* fd number */
1290	req->type = EIO_DUP2;	1513	req->type = EIO_DUP2;
1291	req->int1 = close_fd;	1514	req->int1 = close_fd;
1292	req->sv2 = newSVsv (fh);	1515	req->sv2 = newSVsv (fh);
1293	req->int2 = fd;	1516	req->int2 = fd;
		1517	}
1294		1518
1295	REQ_SEND;	1519	REQ_SEND;
1296	}	1520	}
1297		1521
1298	void	1522	void
…		…
1469	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);	1693	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1470		1694
1471	REQ_SEND;	1695	REQ_SEND;
1472	}	1696	}
1473		1697
		1698	void
		1699	st_xtime ()
		1700	ALIAS:
		1701	st_atime = 0x01
		1702	st_mtime = 0x02
		1703	st_ctime = 0x04
		1704	st_btime = 0x08
		1705	st_xtime = 0x0f
		1706	PPCODE:
		1707	EXTEND (SP, 4);
		1708	if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
		1709	if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
		1710	if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
		1711	if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
		1712
		1713	void
		1714	st_xtimensec ()
		1715	ALIAS:
		1716	st_atimensec = 0x01
		1717	st_mtimensec = 0x02
		1718	st_ctimensec = 0x04
		1719	st_btimensec = 0x08
		1720	st_xtimensec = 0x0f
		1721	st_btimesec = 0x10
		1722	st_gen = 0x20
		1723	PPCODE:
		1724	EXTEND (SP, 4);
		1725	if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
		1726	if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
		1727	if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
		1728	if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
		1729	if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
		1730	if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
		1731
1474	UV	1732	UV
1475	major (UV dev)	1733	major (UV dev)
1476	ALIAS:	1734	ALIAS:
1477	minor = 1	1735	minor = 1
1478	CODE:	1736	CODE:
…		…
1728	req->int2 = flags;	1986	req->int2 = flags;
1729	req->int3 = SvOK (count) ? SvIV (count) : -1;	1987	req->int3 = SvOK (count) ? SvIV (count) : -1;
1730	#endif	1988	#endif
1731		1989
1732	REQ_SEND;	1990	REQ_SEND;
		1991	}
		1992
		1993	void
		1994	aio_slurp (SV pathname, off_t offset, UV length, SV8 data, SV *callback = &PL_sv_undef)
		1995	PPCODE:
		1996	{
		1997	char *svptr = 0;
		1998
		1999	sv_clear_foreign (data);
		2000
		2001	if (length) /* known length, directly read into scalar */
		2002	{
		2003	if (!SvPOK (data) \|\| SvLEN (data) >= SvCUR (data))
		2004	svptr = sv_grow (data, length + 1);
		2005	else if (SvCUR (data) < length)
		2006	croak ("length outside of scalar, and cannot grow");
		2007	else
		2008	svptr = SvPVbyte_nolen (data);
		2009	}
		2010
		2011	{
		2012	dREQ;
		2013
		2014	req->type = EIO_SLURP;
		2015	req_set_path1 (req, pathname);
		2016	req->offs = offset;
		2017	req->size = length;
		2018	req->sv2 = SvREFCNT_inc (data);
		2019	req->ptr2 = svptr;
		2020
		2021	if (!SvREADONLY (data))
		2022	{
		2023	SvREADONLY_on (data);
		2024	req->flags \|= FLAG_SV2_RO_OFF;
		2025	}
		2026
		2027	REQ_SEND;
		2028	}
1733	}	2029	}
1734		2030
1735	void	2031	void
1736	aio_busy (double delay, SV *callback = &PL_sv_undef)	2032	aio_busy (double delay, SV *callback = &PL_sv_undef)
1737	PPCODE:	2033	PPCODE:
…		…
1874	RETVAL	2170	RETVAL
1875		2171
1876	void	2172	void
1877	mmap (SV scalar, STRLEN length, int prot, int flags, SV fh = &PL_sv_undef, off_t offset = 0)	2173	mmap (SV scalar, STRLEN length, int prot, int flags, SV fh = &PL_sv_undef, off_t offset = 0)
1878	PPCODE:	2174	PPCODE:
1879	sv_unmagic (scalar, MMAP_MAGIC);	2175	sv_clear_foreign (scalar);
1880	{	2176	{
1881	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	2177	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1882	void addr = (void )mmap (0, length, prot, flags, fd, offset);	2178	void addr = (void )mmap (0, length, prot, flags, fd, offset);
1883	if (addr == (void *)-1)	2179	if (addr == (void *)-1)
1884	XSRETURN_NO;	2180	XSRETURN_NO;
1885		2181
1886	sv_force_normal (scalar);	2182	sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1887
1888	/* we store the length in mg_obj, as namlen is I32 :/ */
1889	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1890	->mg_obj = (SV *)length;
1891
1892	SvUPGRADE (scalar, SVt_PV); /* nop... */
1893		2183
1894	if (!(prot & PROT_WRITE))	2184	if (!(prot & PROT_WRITE))
1895	SvREADONLY_on (scalar);	2185	SvREADONLY_on (scalar);
1896		2186
1897	if (SvLEN (scalar))
1898	Safefree (SvPVX (scalar));
1899
1900	SvPVX (scalar) = (char *)addr;
1901	SvCUR_set (scalar, length);
1902	SvLEN_set (scalar, 0);
1903	SvPOK_only (scalar);
1904
1905	XSRETURN_YES;	2187	XSRETURN_YES;
1906	}	2188	}
1907		2189
1908	void	2190	void
1909	munmap (SV *scalar)	2191	munmap (SV *scalar)
1910	CODE:	2192	CODE:
1911	sv_unmagic (scalar, MMAP_MAGIC);	2193	sv_clear_foreign (scalar);
		2194
		2195	SV *
		2196	mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
		2197	CODE:
		2198	{
		2199	MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
		2200	void *new;
		2201
		2202	if (!mg \|\| SvPVX (scalar) != mg->mg_ptr)
		2203	croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
		2204
		2205	new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
		2206
		2207	RETVAL = &PL_sv_no;
		2208
		2209	if (new != (void *)-1)
		2210	{
		2211	RETVAL = new == (void *)mg->mg_ptr
		2212	? newSVpvn ("0 but true", 10)
		2213	: &PL_sv_yes;
		2214
		2215	mg->mg_ptr = (char *)new;
		2216	mg->mg_obj = (SV *)new_length;
		2217
		2218	SvPVX (scalar) = mg->mg_ptr;
		2219	SvCUR_set (scalar, new_length);
		2220	}
		2221	}
		2222	OUTPUT:
		2223	RETVAL
1912		2224
1913	int	2225	int
1914	madvise (SV scalar, STRLEN offset = 0, SV length = &PL_sv_undef, IV advice_or_prot)	2226	madvise (SV scalar, IV offset = 0, SV length = &PL_sv_undef, IV advice_or_prot)
1915	ALIAS:	2227	ALIAS:
1916	mprotect = 1	2228	mprotect = 1
1917	CODE:	2229	CODE:
1918	{	2230	{
1919	STRLEN svlen;	2231	STRLEN svlen;
…		…
1940	}	2252	}
1941	OUTPUT:	2253	OUTPUT:
1942	RETVAL	2254	RETVAL
1943		2255
1944	int	2256	int
1945	munlock (SV scalar, STRLEN offset = 0, SV length = &PL_sv_undef)	2257	munlock (SV scalar, IV offset = 0, SV length = &PL_sv_undef)
1946	CODE:	2258	CODE:
1947	{	2259	{
1948	STRLEN svlen;	2260	STRLEN svlen;
1949	void *addr = SvPVbyte (scalar, svlen);	2261	void *addr = SvPVbyte (scalar, svlen);
1950	size_t len = SvUV (length);	2262	size_t len = SvUV (length);
…		…
1965	#else	2277	#else
1966	RETVAL = EIO_ENOSYS ();	2278	RETVAL = EIO_ENOSYS ();
1967	#endif	2279	#endif
1968	}	2280	}
1969	OUTPUT:	2281	OUTPUT:
		2282	RETVAL
		2283
		2284	int
		2285	mlockall (int flags)
		2286	PROTOTYPE: $;
		2287	CODE:
		2288	RETVAL = eio_mlockall_sync (flags);
		2289	OUTPUT:
1970	RETVAL	2290	RETVAL
1971		2291
1972	int	2292	int
1973	munlockall ()	2293	munlockall ()
1974	CODE:	2294	CODE:
…		…
2046	{	2366	{
2047	EXTEND (SP, 2);	2367	EXTEND (SP, 2);
2048	PUSHs (newmortalFH (fd[0], O_RDONLY));	2368	PUSHs (newmortalFH (fd[0], O_RDONLY));
2049	PUSHs (newmortalFH (fd[1], O_WRONLY));	2369	PUSHs (newmortalFH (fd[1], O_WRONLY));
2050	}	2370	}
		2371	}
		2372
		2373	void
		2374	eventfd (unsigned int initval = 0, int flags = 0)
		2375	PPCODE:
		2376	{
		2377	int fd;
		2378	#if HAVE_EVENTFD
		2379	fd = eventfd (initval, flags);
		2380	#else
		2381	fd = (errno = ENOSYS, -1);
		2382	#endif
		2383
		2384	XPUSHs (newmortalFH (fd, O_RDWR));
		2385	}
		2386
		2387	void
		2388	timerfd_create (int clockid, int flags = 0)
		2389	PPCODE:
		2390	{
		2391	int fd;
		2392	#if HAVE_TIMERFD
		2393	fd = timerfd_create (clockid, flags);
		2394	#else
		2395	fd = (errno = ENOSYS, -1);
		2396	#endif
		2397
		2398	XPUSHs (newmortalFH (fd, O_RDWR));
		2399	}
		2400
		2401	void
		2402	timerfd_settime (SV *fh, int flags, NV interval, NV value)
		2403	PPCODE:
		2404	{
		2405	int fd = s_fileno_croak (fh, 0);
		2406	#if HAVE_TIMERFD
		2407	int res;
		2408	struct itimerspec its, ots;
		2409
		2410	ts_set (&its.it_interval, interval);
		2411	ts_set (&its.it_value , value);
		2412	res = timerfd_settime (fd, flags, &its, &ots);
		2413
		2414	if (!res)
		2415	{
		2416	EXTEND (SP, 2);
		2417	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2418	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2419	}
		2420	#else
		2421	errno = ENOSYS;
		2422	#endif
		2423	}
		2424
		2425	void
		2426	timerfd_gettime (SV *fh)
		2427	PPCODE:
		2428	{
		2429	int fd = s_fileno_croak (fh, 0);
		2430	#if HAVE_TIMERFD
		2431	int res;
		2432	struct itimerspec ots;
		2433	res = timerfd_gettime (fd, &ots);
		2434
		2435	if (!res)
		2436	{
		2437	EXTEND (SP, 2);
		2438	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2439	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2440	}
		2441	#else
		2442	errno = ENOSYS;
		2443	#endif
		2444	}
		2445
		2446	UV
		2447	get_fdlimit ()
		2448	CODE:
		2449	#if HAVE_RLIMITS
		2450	struct rlimit rl;
		2451	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2452	XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
		2453	#endif
		2454	XSRETURN_UNDEF;
		2455	OUTPUT:
		2456	RETVAL
		2457
		2458	void
		2459	min_fdlimit (UV limit = 0x7fffffffU)
		2460	CODE:
		2461	{
		2462	#if HAVE_RLIMITS
		2463	struct rlimit rl;
		2464	rlim_t orig_rlim_max;
		2465	UV bit;
		2466
		2467	if (0 != getrlimit (RLIMIT_NOFILE, &rl))
		2468	goto fail;
		2469
		2470	if (rl.rlim_cur == RLIM_INFINITY)
		2471	XSRETURN_YES;
		2472
		2473	orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
		2474
		2475	if (rl.rlim_cur < limit)
		2476	{
		2477	rl.rlim_cur = limit;
		2478
		2479	if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
		2480	rl.rlim_max = rl.rlim_cur;
		2481	}
		2482
		2483	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2484	XSRETURN_YES;
		2485
		2486	if (errno == EPERM)
		2487	{
		2488	/* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
		2489	/* our limit overflows a system-wide limit */
		2490	/* try an adaptive algorithm, but do not lower the hardlimit */
		2491	rl.rlim_max = 0;
		2492	for (bit = 0x40000000U; bit; bit >>= 1)
		2493	{
		2494	rl.rlim_max \|= bit;
		2495	rl.rlim_cur = rl.rlim_max;
		2496
		2497	/* nevr decrease the hard limit */
		2498	if (rl.rlim_max < orig_rlim_max)
		2499	break;
		2500
		2501	if (0 != setrlimit (RLIMIT_NOFILE, &rl))
		2502	rl.rlim_max &= ~bit; /* too high, remove bit again */
		2503	}
		2504
		2505	/* now, raise the soft limit to the max permitted */
		2506	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2507	{
		2508	rl.rlim_cur = rl.rlim_max;
		2509	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2510	errno = EPERM;
		2511	}
		2512	}
		2513	#endif
		2514	fail:
		2515	XSRETURN_UNDEF;
2051	}	2516	}
2052		2517
2053	void _on_next_submit (SV *cb)	2518	void _on_next_submit (SV *cb)
2054	CODE:	2519	CODE:
2055	SvREFCNT_dec (on_next_submit);	2520	SvREFCNT_dec (on_next_submit);

Diff Legend

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

Comparing IO-AIO/AIO.xs (file contents): Revision 1.246 by root, Fri Jun 23 21:43:51 2017 UTC vs. Revision 1.274 by root, Sun Mar 10 12:16:48 2019 UTC

Diff Legend

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.246 by root, Fri Jun 23 21:43:51 2017 UTC vs.
Revision 1.274 by root, Sun Mar 10 12:16:48 2019 UTC