[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 1.272 by root, Wed Jan 2 16:32:57 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)
…		…
749	create_respipe ();	929	create_respipe ();
750		930
751	if (eio_init (want_poll, done_poll) < 0)	931	if (eio_init (want_poll, done_poll) < 0)
752	croak ("IO::AIO: unable to initialise eio library");	932	croak ("IO::AIO: unable to initialise eio library");
753	}	933	}
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		934
793	/*****************************************************************************/	935	/*****************************************************************************/
794		936
795	static SV *	937	static SV *
796	get_cb (SV *cb_sv)	938	get_cb (SV *cb_sv)
…		…
892	req_set_path1 (req, fh_or_path);	1034	req_set_path1 (req, fh_or_path);
893	break;	1035	break;
894	}	1036	}
895	}	1037	}
896		1038
		1039	/*****************************************************************************/
		1040
		1041	static void
		1042	ts_set (struct timespec *ts, NV value)
		1043	{
		1044	ts->tv_sec = value;
		1045	ts->tv_nsec = (value - ts->tv_sec) * 1e9;
		1046	}
		1047
		1048	static NV
		1049	ts_get (const struct timespec *ts)
		1050	{
		1051	return ts->tv_sec + ts->tv_nsec * 1e-9;
		1052	}
		1053
		1054	/*****************************************************************************/
		1055
897	XS(boot_IO__AIO) ecb_cold;	1056	XS(boot_IO__AIO) ecb_cold;
898		1057
899	MODULE = IO::AIO PACKAGE = IO::AIO	1058	MODULE = IO::AIO PACKAGE = IO::AIO
900		1059
901	PROTOTYPES: ENABLE	1060	PROTOTYPES: ENABLE
…		…
932	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)	1091	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
933	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)	1092	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
934	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)	1093	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
935		1094
936	/* the second block will be 0 when missing */	1095	/* the second block will be 0 when missing */
		1096	const_iv (O_ACCMODE)
		1097
937	const_iv (O_RDONLY)	1098	const_iv (O_RDONLY)
938	const_iv (O_WRONLY)	1099	const_iv (O_WRONLY)
939	const_iv (O_RDWR)	1100	const_iv (O_RDWR)
940	const_iv (O_CREAT)	1101	const_iv (O_CREAT)
941	const_iv (O_TRUNC)	1102	const_iv (O_TRUNC)
…		…
1001	const_iv (MAP_GROWSDOWN)	1162	const_iv (MAP_GROWSDOWN)
1002	const_iv (MAP_32BIT)	1163	const_iv (MAP_32BIT)
1003	const_iv (MAP_HUGETLB)	1164	const_iv (MAP_HUGETLB)
1004	const_iv (MAP_STACK)	1165	const_iv (MAP_STACK)
1005		1166
		1167	const_iv (MREMAP_MAYMOVE)
		1168	const_iv (MREMAP_FIXED)
		1169
1006	const_iv (F_DUPFD_CLOEXEC)	1170	const_iv (F_DUPFD_CLOEXEC)
		1171
		1172	const_iv (MSG_CMSG_CLOEXEC)
		1173	const_iv (SOCK_CLOEXEC)
1007		1174
1008	const_iv (F_OFD_GETLK)	1175	const_iv (F_OFD_GETLK)
1009	const_iv (F_OFD_SETLK)	1176	const_iv (F_OFD_SETLK)
1010	const_iv (F_OFD_GETLKW)	1177	const_iv (F_OFD_GETLKW)
1011		1178
…		…
1084	const_iv (SPLICE_F_MOVE)	1251	const_iv (SPLICE_F_MOVE)
1085	const_iv (SPLICE_F_NONBLOCK)	1252	const_iv (SPLICE_F_NONBLOCK)
1086	const_iv (SPLICE_F_MORE)	1253	const_iv (SPLICE_F_MORE)
1087	const_iv (SPLICE_F_GIFT)	1254	const_iv (SPLICE_F_GIFT)
1088		1255
		1256	const_iv (EFD_CLOEXEC)
		1257	const_iv (EFD_NONBLOCK)
		1258	const_iv (EFD_SEMAPHORE)
		1259
		1260	const_iv (CLOCK_REALTIME)
		1261	const_iv (CLOCK_MONOTONIC)
		1262	const_iv (CLOCK_BOOTTIME)
		1263	const_iv (CLOCK_REALTIME_ALARM)
		1264	const_iv (CLOCK_BOOTTIME_ALARM)
		1265
		1266	const_iv (TFD_NONBLOCK)
		1267	const_iv (TFD_CLOEXEC)
		1268
		1269	const_iv (TFD_TIMER_ABSTIME)
		1270	const_iv (TFD_TIMER_CANCEL_ON_SET)
		1271
1089	/* these are libeio constants, and are independent of gendef0 */	1272	/* these are libeio constants, and are independent of gendef0 */
1090	const_eio (SEEK_SET)	1273	const_eio (SEEK_SET)
1091	const_eio (SEEK_CUR)	1274	const_eio (SEEK_CUR)
1092	const_eio (SEEK_END)	1275	const_eio (SEEK_END)
1093		1276
1094	const_eio (MCL_FUTURE)	1277	const_eio (MCL_FUTURE)
1095	const_eio (MCL_CURRENT)	1278	const_eio (MCL_CURRENT)
		1279	const_eio (MCL_ONFAULT)
1096		1280
1097	const_eio (MS_ASYNC)	1281	const_eio (MS_ASYNC)
1098	const_eio (MS_INVALIDATE)	1282	const_eio (MS_INVALIDATE)
1099	const_eio (MS_SYNC)	1283	const_eio (MS_SYNC)
1100		1284
…		…
1139	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)	1323	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));	1324	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
1141		1325
1142	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1326	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
1143		1327
		1328	/* allocate dummy pipe fd for aio_close */
		1329	{
		1330	int pipefd [2];
		1331
		1332	if (
		1333	#ifdef _WIN32
		1334	_pipe (pipefd, 1, _O_BINARY) < 0
		1335	#else
		1336	pipe (pipefd) < 0
		1337	\|\| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1338	#endif
		1339	\|\| close (pipefd [1]) < 0
		1340	)
		1341	croak ("IO::AIO: unable to create dummy pipe for aio_close");
		1342
		1343	close_fd = pipefd [0];
		1344	}
		1345
1144	reinit ();	1346	reinit ();
1145	}	1347	}
1146		1348
1147	void	1349	void
1148	reinit ()	1350	reinit ()
…		…
1270		1472
1271	void	1473	void
1272	aio_close (SV fh, SV callback = &PL_sv_undef)	1474	aio_close (SV fh, SV callback = &PL_sv_undef)
1273	PPCODE:	1475	PPCODE:
1274	{	1476	{
1275	static int close_fd = -1; /* dummy fd to close fds via dup2 */	1477	dREQ;
1276	int fd = s_fileno_croak (fh, 0);	1478	int fd = s_fileno_croak (fh, 0);
1277	dREQ;
1278		1479
1279	if (expect_false (close_fd < 0))	1480	/* partially duplicate logic in s_fileno */
		1481	SvGETMAGIC (fh);
		1482
		1483	if (SvROK (fh))
		1484	{
		1485	fh = SvRV (fh);
		1486	SvGETMAGIC (fh);
		1487	}
		1488
		1489	if (SvTYPE (fh) == SVt_PVGV)
1280	{	1490	{
1281	int pipefd [2];	1491	/* perl filehandle */
		1492	PerlIOUnix_refcnt_inc (fd);
		1493	do_close ((GV *)fh, 1);
1282		1494
1283	if (	1495	req->type = EIO_CLOSE;
1284	#ifdef _WIN32	1496	req->int1 = fd;
1285	_pipe (pipefd, 1, _O_BINARY) < 0	1497	/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	}	1498	}
1296		1499	else
		1500	{
		1501	/* fd number */
1297	req->type = EIO_DUP2;	1502	req->type = EIO_DUP2;
1298	req->int1 = close_fd;	1503	req->int1 = close_fd;
1299	req->sv2 = newSVsv (fh);	1504	req->sv2 = newSVsv (fh);
1300	req->int2 = fd;	1505	req->int2 = fd;
		1506	}
1301		1507
1302	REQ_SEND;	1508	REQ_SEND;
1303	}	1509	}
1304		1510
1305	void	1511	void
…		…
1476	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);	1682	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1477		1683
1478	REQ_SEND;	1684	REQ_SEND;
1479	}	1685	}
1480		1686
		1687	void
		1688	st_xtime ()
		1689	ALIAS:
		1690	st_atime = 0x01
		1691	st_mtime = 0x02
		1692	st_ctime = 0x04
		1693	st_btime = 0x08
		1694	st_xtime = 0x0f
		1695	PPCODE:
		1696	EXTEND (SP, 4);
		1697	if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
		1698	if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
		1699	if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
		1700	if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
		1701
		1702	void
		1703	st_xtimensec ()
		1704	ALIAS:
		1705	st_atimensec = 0x01
		1706	st_mtimensec = 0x02
		1707	st_ctimensec = 0x04
		1708	st_btimensec = 0x08
		1709	st_xtimensec = 0x0f
		1710	st_btimesec = 0x10
		1711	st_gen = 0x20
		1712	PPCODE:
		1713	EXTEND (SP, 4);
		1714	if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
		1715	if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
		1716	if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
		1717	if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
		1718	if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
		1719	if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
		1720
1481	UV	1721	UV
1482	major (UV dev)	1722	major (UV dev)
1483	ALIAS:	1723	ALIAS:
1484	minor = 1	1724	minor = 1
1485	CODE:	1725	CODE:
…		…
1735	req->int2 = flags;	1975	req->int2 = flags;
1736	req->int3 = SvOK (count) ? SvIV (count) : -1;	1976	req->int3 = SvOK (count) ? SvIV (count) : -1;
1737	#endif	1977	#endif
1738		1978
1739	REQ_SEND;	1979	REQ_SEND;
		1980	}
		1981
		1982	void
		1983	aio_slurp (SV pathname, off_t offset, UV length, SV8 data, SV *callback = &PL_sv_undef)
		1984	PPCODE:
		1985	{
		1986	char *svptr = 0;
		1987
		1988	sv_clear_foreign (data);
		1989
		1990	if (length) /* known length, directly read into scalar */
		1991	{
		1992	if (!SvPOK (data) \|\| SvLEN (data) >= SvCUR (data))
		1993	svptr = sv_grow (data, length + 1);
		1994	else if (SvCUR (data) < length)
		1995	croak ("length outside of scalar, and cannot grow");
		1996	else
		1997	svptr = SvPVbyte_nolen (data);
		1998	}
		1999
		2000	{
		2001	dREQ;
		2002
		2003	req->type = EIO_SLURP;
		2004	req_set_path1 (req, pathname);
		2005	req->offs = offset;
		2006	req->size = length;
		2007	req->sv2 = SvREFCNT_inc (data);
		2008	req->ptr2 = svptr;
		2009
		2010	if (!SvREADONLY (data))
		2011	{
		2012	SvREADONLY_on (data);
		2013	req->flags \|= FLAG_SV2_RO_OFF;
		2014	}
		2015
		2016	REQ_SEND;
		2017	}
1740	}	2018	}
1741		2019
1742	void	2020	void
1743	aio_busy (double delay, SV *callback = &PL_sv_undef)	2021	aio_busy (double delay, SV *callback = &PL_sv_undef)
1744	PPCODE:	2022	PPCODE:
…		…
1881	RETVAL	2159	RETVAL
1882		2160
1883	void	2161	void
1884	mmap (SV scalar, STRLEN length, int prot, int flags, SV fh = &PL_sv_undef, off_t offset = 0)	2162	mmap (SV scalar, STRLEN length, int prot, int flags, SV fh = &PL_sv_undef, off_t offset = 0)
1885	PPCODE:	2163	PPCODE:
1886	sv_unmagic (scalar, MMAP_MAGIC);	2164	sv_clear_foreign (scalar);
1887	{	2165	{
1888	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	2166	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1889	void addr = (void )mmap (0, length, prot, flags, fd, offset);	2167	void addr = (void )mmap (0, length, prot, flags, fd, offset);
1890	if (addr == (void *)-1)	2168	if (addr == (void *)-1)
1891	XSRETURN_NO;	2169	XSRETURN_NO;
1892		2170
1893	sv_force_normal (scalar);	2171	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		2172
1901	if (!(prot & PROT_WRITE))	2173	if (!(prot & PROT_WRITE))
1902	SvREADONLY_on (scalar);	2174	SvREADONLY_on (scalar);
1903		2175
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;	2176	XSRETURN_YES;
1913	}	2177	}
1914		2178
1915	void	2179	void
1916	munmap (SV *scalar)	2180	munmap (SV *scalar)
1917	CODE:	2181	CODE:
1918	sv_unmagic (scalar, MMAP_MAGIC);	2182	sv_clear_foreign (scalar);
		2183
		2184	SV *
		2185	mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
		2186	CODE:
		2187	{
		2188	MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
		2189	void *new;
		2190
		2191	if (!mg \|\| SvPVX (scalar) != mg->mg_ptr)
		2192	croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
		2193
		2194	new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
		2195
		2196	RETVAL = &PL_sv_no;
		2197
		2198	if (new != (void *)-1)
		2199	{
		2200	RETVAL = new == (void *)mg->mg_ptr
		2201	? newSVpvn ("0 but true", 10)
		2202	: &PL_sv_yes;
		2203
		2204	mg->mg_ptr = (char *)new;
		2205	mg->mg_obj = (SV *)new_length;
		2206
		2207	SvPVX (scalar) = mg->mg_ptr;
		2208	SvCUR_set (scalar, new_length);
		2209	}
		2210	}
		2211	OUTPUT:
		2212	RETVAL
1919		2213
1920	int	2214	int
1921	madvise (SV scalar, STRLEN offset = 0, SV length = &PL_sv_undef, IV advice_or_prot)	2215	madvise (SV scalar, IV offset = 0, SV length = &PL_sv_undef, IV advice_or_prot)
1922	ALIAS:	2216	ALIAS:
1923	mprotect = 1	2217	mprotect = 1
1924	CODE:	2218	CODE:
1925	{	2219	{
1926	STRLEN svlen;	2220	STRLEN svlen;
…		…
1947	}	2241	}
1948	OUTPUT:	2242	OUTPUT:
1949	RETVAL	2243	RETVAL
1950		2244
1951	int	2245	int
1952	munlock (SV scalar, STRLEN offset = 0, SV length = &PL_sv_undef)	2246	munlock (SV scalar, IV offset = 0, SV length = &PL_sv_undef)
1953	CODE:	2247	CODE:
1954	{	2248	{
1955	STRLEN svlen;	2249	STRLEN svlen;
1956	void *addr = SvPVbyte (scalar, svlen);	2250	void *addr = SvPVbyte (scalar, svlen);
1957	size_t len = SvUV (length);	2251	size_t len = SvUV (length);
…		…
1972	#else	2266	#else
1973	RETVAL = EIO_ENOSYS ();	2267	RETVAL = EIO_ENOSYS ();
1974	#endif	2268	#endif
1975	}	2269	}
1976	OUTPUT:	2270	OUTPUT:
		2271	RETVAL
		2272
		2273	int
		2274	mlockall (int flags)
		2275	PROTOTYPE: $;
		2276	CODE:
		2277	RETVAL = eio_mlockall_sync (flags);
		2278	OUTPUT:
1977	RETVAL	2279	RETVAL
1978		2280
1979	int	2281	int
1980	munlockall ()	2282	munlockall ()
1981	CODE:	2283	CODE:
…		…
2053	{	2355	{
2054	EXTEND (SP, 2);	2356	EXTEND (SP, 2);
2055	PUSHs (newmortalFH (fd[0], O_RDONLY));	2357	PUSHs (newmortalFH (fd[0], O_RDONLY));
2056	PUSHs (newmortalFH (fd[1], O_WRONLY));	2358	PUSHs (newmortalFH (fd[1], O_WRONLY));
2057	}	2359	}
		2360	}
		2361
		2362	void
		2363	eventfd (unsigned int initval = 0, int flags = 0)
		2364	PPCODE:
		2365	{
		2366	int fd;
		2367	#if HAVE_EVENTFD
		2368	fd = eventfd (initval, flags);
		2369	#else
		2370	fd = (errno = ENOSYS, -1);
		2371	#endif
		2372
		2373	XPUSHs (newmortalFH (fd, O_RDWR));
		2374	}
		2375
		2376	void
		2377	timerfd_create (int clockid, int flags = 0)
		2378	PPCODE:
		2379	{
		2380	int fd;
		2381	#if HAVE_TIMERFD
		2382	fd = timerfd_create (clockid, flags);
		2383	#else
		2384	fd = (errno = ENOSYS, -1);
		2385	#endif
		2386
		2387	XPUSHs (newmortalFH (fd, O_RDWR));
		2388	}
		2389
		2390	void
		2391	timerfd_settime (SV *fh, int flags, NV interval, NV value)
		2392	PPCODE:
		2393	{
		2394	int fd = s_fileno_croak (fh, 0);
		2395	#if HAVE_TIMERFD
		2396	int res;
		2397	struct itimerspec its, ots;
		2398
		2399	ts_set (&its.it_interval, interval);
		2400	ts_set (&its.it_value , value);
		2401	res = timerfd_settime (fd, flags, &its, &ots);
		2402
		2403	if (!res)
		2404	{
		2405	EXTEND (SP, 2);
		2406	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2407	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2408	}
		2409	#else
		2410	errno = ENOSYS;
		2411	#endif
		2412	}
		2413
		2414	void
		2415	timerfd_gettime (SV *fh)
		2416	PPCODE:
		2417	{
		2418	int fd = s_fileno_croak (fh, 0);
		2419	#if HAVE_TIMERFD
		2420	int res;
		2421	struct itimerspec ots;
		2422	res = timerfd_gettime (fd, &ots);
		2423
		2424	if (!res)
		2425	{
		2426	EXTEND (SP, 2);
		2427	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2428	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2429	}
		2430	#else
		2431	errno = ENOSYS;
		2432	#endif
2058	}	2433	}
2059		2434
2060	UV	2435	UV
2061	get_fdlimit ()	2436	get_fdlimit ()
2062	CODE:	2437	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 1.272 by root, Wed Jan 2 16:32:57 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 1.272 by root, Wed Jan 2 16:32:57 2019 UTC