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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.266 by root, Tue Aug 14 14:03:14 2018 UTC vs.
Revision 1.286 by root, Tue Dec 29 15:25:26 2020 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	#if !defined mg_findext	10	#if !defined mg_findext
10	# define mg_findext(sv,type,vtbl) mg_find (sv, type)	11	# define mg_findext(sv,type,vtbl) mg_find (sv, type)
11	#endif	12	#endif
12		13
…		…
17	#include <sys/socket.h>	18	#include <sys/socket.h>
18	#include <sys/stat.h>	19	#include <sys/stat.h>
19	#include <limits.h>	20	#include <limits.h>
20	#include <fcntl.h>	21	#include <fcntl.h>
21	#include <sched.h>	22	#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
28
29	#if _POSIX_MEMLOCK \|\| _POSIX_MEMLOCK_RANGE \|\| _POSIX_MAPPED_FILES
30	# include <sys/mman.h>
31	#endif
32		23
33	/* the incompetent fool that created musl keeps __linux__, refuses	24	/* the incompetent fool that created musl keeps __linux__, refuses
34	* 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
35	* 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
36	* for you.	27	* for you.
…		…
84	#undef fchmod	75	#undef fchmod
85	#undef dup	76	#undef dup
86	#undef dup2	77	#undef dup2
87	#undef abort	78	#undef abort
88	#undef pipe	79	#undef pipe
		80	#undef utime
89		81
90	#define EIO_STRUCT_STAT struct _stati64	82	#define EIO_STRUCT_STAT struct _stati64
91	#define EIO_STRUCT_STATI64	83	#define EIO_STRUCT_STATI64
92		84
93	#else	85	#else
…		…
114	#define expect_true(expr) expect ((expr) != 0, 1)	106	#define expect_true(expr) expect ((expr) != 0, 1)
115		107
116	/*****************************************************************************/	108	/*****************************************************************************/
117		109
118	#include "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_SYS_UIO_H
		123	# include <sys/uio.h>
		124	#endif
119		125
120	#if HAVE_ST_XTIMENSEC	126	#if HAVE_ST_XTIMENSEC
121	# define ATIMENSEC PL_statcache.st_atimensec	127	# define ATIMENSEC PL_statcache.st_atimensec
122	# define MTIMENSEC PL_statcache.st_mtimensec	128	# define MTIMENSEC PL_statcache.st_mtimensec
123	# define CTIMENSEC PL_statcache.st_ctimensec	129	# define CTIMENSEC PL_statcache.st_ctimensec
…		…
129	# define ATIMENSEC 0	135	# define ATIMENSEC 0
130	# define MTIMENSEC 0	136	# define MTIMENSEC 0
131	# define CTIMENSEC 0	137	# define CTIMENSEC 0
132	#endif	138	#endif
133		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
134	#include "schmorp.h"	157	#include "schmorp.h"
135		158
136	#if HAVE_EVENTFD	159	#if HAVE_EVENTFD
137	# include <sys/eventfd.h>	160	# include <sys/eventfd.h>
138	#endif	161	#endif
…		…
203		226
204	#if PAGESIZE <= 0	227	#if PAGESIZE <= 0
205	# define PAGESIZE sysconf (_SC_PAGESIZE)	228	# define PAGESIZE sysconf (_SC_PAGESIZE)
206	#endif	229	#endif
207		230
		231	#if HAVE_SYSCALL
		232	#include <sys/syscall.h>
		233	#else
		234	# define syscall(nr,...) (errno = ENOSYS, -1)
		235	#endif
		236
208	/*****************************************************************************/	237	/*****************************************************************************/
209		238
210	#if !_POSIX_MAPPED_FILES	239	#if !_POSIX_MAPPED_FILES
211	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)	240	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
212	# define munmap(addr,length) EIO_ENOSYS ()	241	# define munmap(addr,length) EIO_ENOSYS ()
…		…
270	};	299	};
271		300
272	/*****************************************************************************/	301	/*****************************************************************************/
273		302
274	/* helper: set scalar to foreign ptr with custom free */	303	/* helper: set scalar to foreign ptr with custom free */
		304	ecb_noinline
275	static void	305	static void
276	sv_set_foreign (SV sv, const MGVTBL const vtbl, void *addr, IV length)	306	sv_set_foreign (SV sv, const MGVTBL const vtbl, void *addr, IV length)
277	{	307	{
278	sv_force_normal (sv);	308	sv_force_normal (sv);
279		309
…		…
320	int count = req->int3;	350	int count = req->int3;
321		351
322	req->flags \|= EIO_FLAG_PTR1_FREE;	352	req->flags \|= EIO_FLAG_PTR1_FREE;
323		353
324	/* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */	354	/* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
325	/* increase in 3.5kb steps */	355	/* increase in fixed steps */
326	if (count < 0)	356	if (count < 0)
327	count = 8;	357	count = 8;
328		358
329	fiemap = malloc (sizeof (fiemap) + sizeof (struct fiemap_extent) count);	359	fiemap = malloc (sizeof (fiemap) + sizeof (struct fiemap_extent) count);
330	errno = ENOMEM;	360	errno = ENOMEM;
…		…
383		413
384	for (count = 0; count < incmap->fm_mapped_extents; ++count)	414	for (count = 0; count < incmap->fm_mapped_extents; ++count)
385	{	415	{
386	struct fiemap_extent *e = incmap->fm_extents + count;	416	struct fiemap_extent *e = incmap->fm_extents + count;
387		417
		418	fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
		419
388	if (e->fe_logical + e->fe_length >= end_offset)	420	if (e->fe_logical >= end_offset)
389	goto done;	421	goto done;
390
391	fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
392		422
393	if (e->fe_flags & FIEMAP_EXTENT_LAST)	423	if (e->fe_flags & FIEMAP_EXTENT_LAST)
394	goto done;	424	goto done;
395		425
396	}	426	}
…		…
403	errno = ENOSYS;	433	errno = ENOSYS;
404	#endif	434	#endif
405	}	435	}
406		436
407	/*****************************************************************************/	437	/*****************************************************************************/
		438
		439	static int close_fd; /* dummy fd to close fds via dup2 */
		440
		441	#if HAVE_STATX
		442	static struct statx stx;
		443	#define statx_offsetof(member) offsetof (struct statx, member)
		444	#define eio__statx statx
		445	#else
		446	#define statx_offsetof(member) 0
		447	#define eio__statx(dir,path,flags,mask,stx) EIO_ENOSYS()
		448	#endif
408		449
409	enum {	450	enum {
410	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	451	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
411	};	452	};
412		453
…		…
436	/* read any signals sent by the worker threads */	477	/* read any signals sent by the worker threads */
437	s_epipe_drain (&respipe);	478	s_epipe_drain (&respipe);
438	}	479	}
439		480
440	/* must be called at most once */	481	/* must be called at most once */
		482	ecb_noinline
441	static SV *	483	static SV *
442	req_sv (aio_req req, HV *stash)	484	req_sv (aio_req req, HV *stash)
443	{	485	{
444	if (!req->self)	486	if (!req->self)
445	{	487	{
…		…
454	newSVaio_wd (aio_wd wd)	496	newSVaio_wd (aio_wd wd)
455	{	497	{
456	return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);	498	return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
457	}	499	}
458		500
		501	ecb_noinline
459	static aio_req	502	static aio_req
460	SvAIO_REQ (SV *sv)	503	SvAIO_REQ (SV *sv)
461	{	504	{
462	MAGIC *mg;	505	MAGIC *mg;
463		506
…		…
526	FREETMPS;	569	FREETMPS;
527	LEAVE;	570	LEAVE;
528	}	571	}
529	}	572	}
530		573
		574	ecb_noinline
531	static void	575	static void
532	req_submit (eio_req *req)	576	req_submit (eio_req *req)
533	{	577	{
534	eio_submit (req);	578	eio_submit (req);
535		579
…		…
796	}	840	}
797	else	841	else
798	PUSHs (sv_result);	842	PUSHs (sv_result);
799	break;	843	break;
800		844
		845	#if 0
		846	case EIO_CLOSE:
		847	PerlIOUnix_refcnt_dec (req->int1);
		848	break;
		849	#endif
		850
801	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */	851	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
802	if (req->result > 0)	852	if (req->result > 0)
803	SvIV_set (sv_result, 0);	853	SvIV_set (sv_result, 0);
804	/* FALLTHROUGH */	854	/* FALLTHROUGH */
805		855
…		…
856	grp->sv2 = 0;	906	grp->sv2 = 0;
857		907
858	eio_grp_cancel (grp);	908	eio_grp_cancel (grp);
859	}	909	}
860		910
861	static void ecb_cold	911	ecb_cold
		912	static void
862	create_respipe (void)	913	create_respipe (void)
863	{	914	{
864	if (s_epipe_renew (&respipe))	915	if (s_epipe_renew (&respipe))
865	croak ("IO::AIO: unable to initialize result pipe");	916	croak ("IO::AIO: unable to initialize result pipe");
866	}	917	}
…		…
900		951
901	poll_wait ();	952	poll_wait ();
902	}	953	}
903	}	954	}
904		955
905	static void ecb_cold	956	ecb_cold
		957	static void
906	reinit (void)	958	reinit (void)
907	{	959	{
908	create_respipe ();	960	create_respipe ();
909		961
910	if (eio_init (want_poll, done_poll) < 0)	962	if (eio_init (want_poll, done_poll) < 0)
…		…
918	{	970	{
919	SvGETMAGIC (cb_sv);	971	SvGETMAGIC (cb_sv);
920	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	972	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
921	}	973	}
922		974
		975	ecb_noinline
923	static aio_req ecb_noinline	976	static aio_req ecb_noinline
924	dreq (SV *callback)	977	dreq (SV *callback)
925	{	978	{
926	SV *cb_cv;	979	SV *cb_cv;
927	aio_req req;	980	aio_req req;
…		…
949	SPAGAIN; \	1002	SPAGAIN; \
950	\	1003	\
951	if (GIMME_V != G_VOID) \	1004	if (GIMME_V != G_VOID) \
952	XPUSHs (req_sv (req, aio_req_stash));	1005	XPUSHs (req_sv (req, aio_req_stash));
953		1006
		1007	/* wdsv, pathsv, wd and ptr must be 0-initialized */
954	ecb_inline void	1008	ecb_inline
		1009	void
955	req_set_path (aio_req req, SV path, SV wdsv, SV pathsv, eio_wd wd, void **ptr)	1010	req_set_path (SV path, SV wdsv, SV pathsv, eio_wd wd, void **ptr)
956	{	1011	{
957	if (expect_false (SvROK (path)))	1012	if (expect_false (SvROK (path)))
958	{	1013	{
959	SV *rv = SvRV (path);	1014	SV *rv = SvRV (path);
960	SV *wdob;	1015	SV *wdob;
…		…
985		1040
986	*pathsv = newSVsv (path);	1041	*pathsv = newSVsv (path);
987	ptr = SvPVbyte_nolen (pathsv);	1042	ptr = SvPVbyte_nolen (pathsv);
988	}	1043	}
989		1044
990	static void ecb_noinline	1045	ecb_noinline
		1046	static void
991	req_set_path1 (aio_req req, SV *path)	1047	req_set_path1 (aio_req req, SV *path)
992	{	1048	{
993	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);	1049	req_set_path (path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
994	}	1050	}
995		1051
996	static void ecb_noinline	1052	ecb_noinline
		1053	static void
997	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)	1054	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
998	{	1055	{
999	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;	1056	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
1000		1057
1001	switch (SvTYPE (rv))	1058	switch (SvTYPE (rv))
…		…
1144	const_iv (MAP_STACK)	1201	const_iv (MAP_STACK)
1145		1202
1146	const_iv (MREMAP_MAYMOVE)	1203	const_iv (MREMAP_MAYMOVE)
1147	const_iv (MREMAP_FIXED)	1204	const_iv (MREMAP_FIXED)
1148		1205
1149	const_iv (F_DUPFD_CLOEXEC)
1150
1151	const_iv (MSG_CMSG_CLOEXEC)	1206	const_iv (MSG_CMSG_CLOEXEC)
1152	const_iv (SOCK_CLOEXEC)	1207	const_iv (SOCK_CLOEXEC)
		1208
		1209	const_iv (F_DUPFD_CLOEXEC)
		1210
		1211	const_iv (F_ADD_SEALS)
		1212	const_iv (F_GET_SEALS)
		1213	const_iv (F_SEAL_SEAL)
		1214	const_iv (F_SEAL_SHRINK)
		1215	const_iv (F_SEAL_GROW)
		1216	const_iv (F_SEAL_WRITE)
1153		1217
1154	const_iv (F_OFD_GETLK)	1218	const_iv (F_OFD_GETLK)
1155	const_iv (F_OFD_SETLK)	1219	const_iv (F_OFD_SETLK)
1156	const_iv (F_OFD_GETLKW)	1220	const_iv (F_OFD_GETLKW)
1157		1221
…		…
1234		1298
1235	const_iv (EFD_CLOEXEC)	1299	const_iv (EFD_CLOEXEC)
1236	const_iv (EFD_NONBLOCK)	1300	const_iv (EFD_NONBLOCK)
1237	const_iv (EFD_SEMAPHORE)	1301	const_iv (EFD_SEMAPHORE)
1238		1302
		1303	const_iv (MFD_CLOEXEC)
		1304	const_iv (MFD_ALLOW_SEALING)
		1305	const_iv (MFD_HUGETLB)
		1306
1239	const_iv (CLOCK_REALTIME)	1307	const_iv (CLOCK_REALTIME)
1240	const_iv (CLOCK_MONOTONIC)	1308	const_iv (CLOCK_MONOTONIC)
1241	const_iv (CLOCK_BOOTTIME)	1309	const_iv (CLOCK_BOOTTIME)
1242	const_iv (CLOCK_REALTIME_ALARM)	1310	const_iv (CLOCK_REALTIME_ALARM)
1243	const_iv (CLOCK_BOOTTIME_ALARM)	1311	const_iv (CLOCK_BOOTTIME_ALARM)
…		…
1246	const_iv (TFD_CLOEXEC)	1314	const_iv (TFD_CLOEXEC)
1247		1315
1248	const_iv (TFD_TIMER_ABSTIME)	1316	const_iv (TFD_TIMER_ABSTIME)
1249	const_iv (TFD_TIMER_CANCEL_ON_SET)	1317	const_iv (TFD_TIMER_CANCEL_ON_SET)
1250		1318
		1319	const_iv (STATX_TYPE)
		1320	const_iv (STATX_MODE)
		1321	const_iv (STATX_NLINK)
		1322	const_iv (STATX_UID)
		1323	const_iv (STATX_GID)
		1324	const_iv (STATX_ATIME)
		1325	const_iv (STATX_MTIME)
		1326	const_iv (STATX_CTIME)
		1327	const_iv (STATX_INO)
		1328	const_iv (STATX_SIZE)
		1329	const_iv (STATX_BLOCKS)
		1330	const_iv (STATX_BASIC_STATS)
		1331	const_iv (STATX_ALL)
		1332	const_iv (STATX_BTIME)
		1333	const_iv (STATX_ATTR_COMPRESSED)
		1334	const_iv (STATX_ATTR_IMMUTABLE)
		1335	const_iv (STATX_ATTR_APPEND)
		1336	const_iv (STATX_ATTR_NODUMP)
		1337	const_iv (STATX_ATTR_ENCRYPTED)
		1338	const_iv (STATX_ATTR_AUTOMOUNT)
		1339
		1340	const_iv (AT_FDCWD)
		1341	const_iv (AT_SYMLINK_NOFOLLOW)
		1342	const_iv (AT_EACCESS)
		1343	const_iv (AT_REMOVEDIR)
		1344	const_iv (AT_SYMLINK_FOLLOW)
		1345	const_iv (AT_NO_AUTOMOUNT)
		1346	const_iv (AT_EMPTY_PATH)
		1347	const_iv (AT_STATX_SYNC_TYPE)
		1348	const_iv (AT_STATX_AS_STAT)
		1349	const_iv (AT_STATX_FORCE_SYNC)
		1350	const_iv (AT_STATX_DONT_SYNC)
		1351	const_iv (AT_RECURSIVE)
		1352
		1353	const_iv (OPEN_TREE_CLONE)
		1354
		1355	const_iv (FSOPEN_CLOEXEC)
		1356
		1357	const_iv (FSPICK_CLOEXEC)
		1358	const_iv (FSPICK_SYMLINK_NOFOLLOW)
		1359	const_iv (FSPICK_NO_AUTOMOUNT)
		1360	const_iv (FSPICK_EMPTY_PATH)
		1361
		1362	const_iv (MOVE_MOUNT_F_SYMLINKS)
		1363	const_iv (MOVE_MOUNT_F_AUTOMOUNTS)
		1364	const_iv (MOVE_MOUNT_F_EMPTY_PATH)
		1365	const_iv (MOVE_MOUNT_T_SYMLINKS)
		1366	const_iv (MOVE_MOUNT_T_AUTOMOUNTS)
		1367	const_iv (MOVE_MOUNT_T_EMPTY_PATH)
		1368
1251	/* these are libeio constants, and are independent of gendef0 */	1369	/* these are libeio constants, and are independent of gendef0 */
1252	const_eio (SEEK_SET)	1370	const_eio (SEEK_SET)
1253	const_eio (SEEK_CUR)	1371	const_eio (SEEK_CUR)
1254	const_eio (SEEK_END)	1372	const_eio (SEEK_END)
1255		1373
1256	const_eio (MCL_FUTURE)	1374	const_eio (MCL_FUTURE)
1257	const_eio (MCL_CURRENT)	1375	const_eio (MCL_CURRENT)
		1376	const_eio (MCL_ONFAULT)
1258		1377
1259	const_eio (MS_ASYNC)	1378	const_eio (MS_ASYNC)
1260	const_eio (MS_INVALIDATE)	1379	const_eio (MS_INVALIDATE)
1261	const_eio (MS_SYNC)	1380	const_eio (MS_SYNC)
1262		1381
…		…
1301	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)	1420	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
1302	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));	1421	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
1303		1422
1304	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1423	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
1305		1424
		1425	/* allocate dummy pipe fd for aio_close */
		1426	{
		1427	int pipefd [2];
		1428
		1429	if (
		1430	#ifdef _WIN32
		1431	_pipe (pipefd, 1, _O_BINARY) < 0
		1432	#else
		1433	pipe (pipefd) < 0
		1434	\|\| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1435	#endif
		1436	\|\| close (pipefd [1]) < 0
		1437	)
		1438	croak ("IO::AIO: unable to create dummy pipe for aio_close");
		1439
		1440	close_fd = pipefd [0];
		1441	}
		1442
1306	reinit ();	1443	reinit ();
1307	}	1444	}
1308		1445
1309	void	1446	void
1310	reinit ()	1447	reinit ()
…		…
1432		1569
1433	void	1570	void
1434	aio_close (SV fh, SV callback = &PL_sv_undef)	1571	aio_close (SV fh, SV callback = &PL_sv_undef)
1435	PPCODE:	1572	PPCODE:
1436	{	1573	{
1437	static int close_fd = -1; /* dummy fd to close fds via dup2 */
1438	int fd = s_fileno_croak (fh, 0);	1574	int fd = s_fileno_croak (fh, 0);
1439	dREQ;	1575	dREQ;
		1576	#if 0
		1577	/* partially duplicate logic in s_fileno */
		1578	SvGETMAGIC (fh);
1440		1579
1441	if (expect_false (close_fd < 0))	1580	if (SvROK (fh))
		1581	{
		1582	fh = SvRV (fh);
		1583	SvGETMAGIC (fh);
		1584	}
		1585
		1586	if (SvTYPE (fh) == SVt_PVGV)
1442	{	1587	{
1443	int pipefd [2];	1588	/* perl filehandle */
		1589	PerlIOUnix_refcnt_inc (fd);
		1590	do_close ((GV *)fh, 1);
1444		1591
1445	if (	1592	req->type = EIO_CLOSE;
1446	#ifdef _WIN32	1593	req->int1 = fd;
1447	_pipe (pipefd, 1, _O_BINARY) < 0	1594	/req->sv2 = newSVsv (fh);/ /* since we stole the fd, no need to keep the fh */
1448	#else
1449	pipe (pipefd) < 0
1450	\|\| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1451	#endif
1452	\|\| close (pipefd [1]) < 0
1453	)
1454	abort (); /D/
1455
1456	close_fd = pipefd [0];
1457	}	1595	}
1458		1596	else
		1597	#endif
		1598	{
		1599	/* fd number */
1459	req->type = EIO_DUP2;	1600	req->type = EIO_DUP2;
1460	req->int1 = close_fd;	1601	req->int1 = close_fd;
1461	req->sv2 = newSVsv (fh);	1602	req->sv2 = newSVsv (fh);
1462	req->int2 = fd;	1603	req->int2 = fd;
		1604	}
1463		1605
1464	REQ_SEND;	1606	REQ_SEND;
1465	}	1607	}
1466		1608
1467	void	1609	void
…		…
1641	}	1783	}
1642		1784
1643	void	1785	void
1644	st_xtime ()	1786	st_xtime ()
1645	ALIAS:	1787	ALIAS:
1646	st_atime = 1	1788	st_atime = 0x01
1647	st_mtime = 2	1789	st_mtime = 0x02
1648	st_ctime = 4	1790	st_ctime = 0x04
		1791	st_btime = 0x08
1649	st_xtime = 7	1792	st_xtime = 0x0f
1650	PPCODE:	1793	PPCODE:
1651	EXTEND (SP, 3);	1794	EXTEND (SP, 4);
1652	if (ix & 1) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));	1795	if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
1653	if (ix & 2) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));	1796	if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
1654	if (ix & 4) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));	1797	if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
		1798	if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
1655		1799
1656	void	1800	void
1657	st_xtimensec ()	1801	st_xtimensec ()
1658	ALIAS:	1802	ALIAS:
1659	st_atimensec = 1	1803	st_atimensec = 0x01
1660	st_mtimensec = 2	1804	st_mtimensec = 0x02
1661	st_ctimensec = 4	1805	st_ctimensec = 0x04
		1806	st_btimensec = 0x08
1662	st_xtimensec = 7	1807	st_xtimensec = 0x0f
		1808	st_btimesec = 0x10
		1809	st_gen = 0x20
1663	PPCODE:	1810	PPCODE:
1664	EXTEND (SP, 3);	1811	EXTEND (SP, 4);
1665	if (ix & 1) PUSHs (newSViv (ATIMENSEC));	1812	if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
1666	if (ix & 2) PUSHs (newSViv (MTIMENSEC));	1813	if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
1667	if (ix & 4) PUSHs (newSViv (CTIMENSEC));	1814	if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
		1815	if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
		1816	if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
		1817	if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
1668		1818
1669	UV	1819	UV
1670	major (UV dev)	1820	major (UV dev)
1671	ALIAS:	1821	ALIAS:
1672	minor = 1	1822	minor = 1
…		…
1789	eio_wd wd2 = 0;	1939	eio_wd wd2 = 0;
1790	dREQ;	1940	dREQ;
1791		1941
1792	req->type = ix;	1942	req->type = ix;
1793	req_set_path1 (req, oldpath);	1943	req_set_path1 (req, oldpath);
1794	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);	1944	req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1795	req->int3 = (long)wd2;	1945	req->int3 = (long)wd2;
1796		1946
1797	REQ_SEND;	1947	REQ_SEND;
1798	}	1948	}
1799		1949
…		…
1804	eio_wd wd2 = 0;	1954	eio_wd wd2 = 0;
1805	dREQ;	1955	dREQ;
1806		1956
1807	req->type = EIO_RENAME;	1957	req->type = EIO_RENAME;
1808	req_set_path1 (req, oldpath);	1958	req_set_path1 (req, oldpath);
1809	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);	1959	req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1810	req->int2 = flags;	1960	req->int2 = flags;
1811	req->int3 = (long)wd2;	1961	req->int3 = (long)wd2;
1812		1962
1813	REQ_SEND;	1963	REQ_SEND;
1814	}	1964	}
…		…
2158	}	2308	}
2159	OUTPUT:	2309	OUTPUT:
2160	RETVAL	2310	RETVAL
2161		2311
2162	int	2312	int
2163	madvise (SV scalar, STRLEN offset = 0, SV length = &PL_sv_undef, IV advice_or_prot)	2313	madvise (SV scalar, IV offset = 0, SV length = &PL_sv_undef, IV advice_or_prot)
2164	ALIAS:	2314	ALIAS:
2165	mprotect = 1	2315	mprotect = 1
2166	CODE:	2316	CODE:
2167	{	2317	{
2168	STRLEN svlen;	2318	STRLEN svlen;
…		…
2189	}	2339	}
2190	OUTPUT:	2340	OUTPUT:
2191	RETVAL	2341	RETVAL
2192		2342
2193	int	2343	int
2194	munlock (SV scalar, STRLEN offset = 0, SV length = &PL_sv_undef)	2344	munlock (SV scalar, IV offset = 0, SV length = &PL_sv_undef)
2195	CODE:	2345	CODE:
2196	{	2346	{
2197	STRLEN svlen;	2347	STRLEN svlen;
2198	void *addr = SvPVbyte (scalar, svlen);	2348	void *addr = SvPVbyte (scalar, svlen);
2199	size_t len = SvUV (length);	2349	size_t len = SvUV (length);
…		…
2214	#else	2364	#else
2215	RETVAL = EIO_ENOSYS ();	2365	RETVAL = EIO_ENOSYS ();
2216	#endif	2366	#endif
2217	}	2367	}
2218	OUTPUT:	2368	OUTPUT:
		2369	RETVAL
		2370
		2371	int
		2372	mlockall (int flags)
		2373	PROTOTYPE: $;
		2374	CODE:
		2375	RETVAL = eio_mlockall_sync (flags);
		2376	OUTPUT:
2219	RETVAL	2377	RETVAL
2220		2378
2221	int	2379	int
2222	munlockall ()	2380	munlockall ()
2223	CODE:	2381	CODE:
…		…
2228	#endif	2386	#endif
2229	OUTPUT:	2387	OUTPUT:
2230	RETVAL	2388	RETVAL
2231		2389
2232	int	2390	int
		2391	statx (SV8 *pathname, int flags, UV mask)
		2392	CODE:
		2393	{
		2394	/* undocumented, and might go away, and anyway, should use eio_statx */
		2395	SV *wdsv = 0;
		2396	SV *pathsv = 0;
		2397	eio_wd wd = EIO_CWD;
		2398	void *ptr;
		2399	int res;
		2400
		2401	req_set_path (pathname, &wdsv, &pathsv, &wd, &ptr);
		2402	RETVAL = eio__statx (!wd \|\| wd->fd == EIO_CWD ? AT_FDCWD : wd->fd, ptr, flags, mask & STATX_ALL, &stx);
		2403
		2404	SvREFCNT_dec (pathsv);
		2405	SvREFCNT_dec (wdsv);
		2406	}
		2407	OUTPUT:
		2408	RETVAL
		2409
		2410	U32
		2411	stx_mode ()
		2412	PROTOTYPE:
		2413	CODE:
		2414	#if HAVE_STATX
		2415	RETVAL = stx.stx_mode;
		2416	#else
		2417	XSRETURN_UNDEF;
		2418	#endif
		2419	OUTPUT:
		2420	RETVAL
		2421
		2422	#define STATX_OFFSET_mask statx_offsetof (stx_mask)
		2423	#define STATX_OFFSET_blksize statx_offsetof (stx_blksize)
		2424	#define STATX_OFFSET_nlink statx_offsetof (stx_nlink)
		2425	#define STATX_OFFSET_uid statx_offsetof (stx_uid)
		2426	#define STATX_OFFSET_gid statx_offsetof (stx_gid)
		2427	#define STATX_OFFSET_rdev_major statx_offsetof (stx_rdev_major)
		2428	#define STATX_OFFSET_rdev_minor statx_offsetof (stx_rdev_minor)
		2429	#define STATX_OFFSET_dev_major statx_offsetof (stx_dev_major)
		2430	#define STATX_OFFSET_dev_minor statx_offsetof (stx_dev_minor)
		2431	#define STATX_OFFSET_attributes statx_offsetof (stx_attributes)
		2432	#define STATX_OFFSET_ino statx_offsetof (stx_ino)
		2433	#define STATX_OFFSET_size statx_offsetof (stx_size)
		2434	#define STATX_OFFSET_blocks statx_offsetof (stx_blocks)
		2435	#define STATX_OFFSET_attributes_mask statx_offsetof (stx_attributes_mask)
		2436	#define STATX_OFFSET_atime statx_offsetof (stx_atime)
		2437	#define STATX_OFFSET_btime statx_offsetof (stx_btime)
		2438	#define STATX_OFFSET_ctime statx_offsetof (stx_ctime)
		2439	#define STATX_OFFSET_mtime statx_offsetof (stx_mtime)
		2440
		2441	U32
		2442	stx_mask ()
		2443	PROTOTYPE:
		2444	ALIAS:
		2445	stx_mask = STATX_OFFSET_mask
		2446	stx_blksize = STATX_OFFSET_blksize
		2447	stx_nlink = STATX_OFFSET_nlink
		2448	stx_uid = STATX_OFFSET_uid
		2449	stx_gid = STATX_OFFSET_gid
		2450	stx_rdev_major = STATX_OFFSET_rdev_major
		2451	stx_rdev_minor = STATX_OFFSET_rdev_minor
		2452	stx_dev_major = STATX_OFFSET_dev_major
		2453	stx_dev_minor = STATX_OFFSET_dev_minor
		2454	CODE:
		2455	#if HAVE_STATX
		2456	RETVAL = (__u32 )((char *)&stx + ix);
		2457	#else
		2458	XSRETURN_UNDEF;
		2459	#endif
		2460	OUTPUT:
		2461	RETVAL
		2462
		2463	VAL64
		2464	stx_attributes ()
		2465	PROTOTYPE:
		2466	ALIAS:
		2467	stx_attributes = STATX_OFFSET_attributes
		2468	stx_ino = STATX_OFFSET_ino
		2469	stx_size = STATX_OFFSET_size
		2470	stx_blocks = STATX_OFFSET_blocks
		2471	stx_attributes_mask = STATX_OFFSET_attributes_mask
		2472	CODE:
		2473	#if HAVE_STATX
		2474	RETVAL = (__u64 )((char *)&stx + ix);
		2475	#else
		2476	XSRETURN_UNDEF;
		2477	#endif
		2478	OUTPUT:
		2479	RETVAL
		2480
		2481	NV
		2482	stx_atime ()
		2483	PROTOTYPE:
		2484	ALIAS:
		2485	stx_atime = STATX_OFFSET_atime
		2486	stx_btime = STATX_OFFSET_btime
		2487	stx_ctime = STATX_OFFSET_ctime
		2488	stx_mtime = STATX_OFFSET_mtime
		2489	CODE:
		2490	#if HAVE_STATX
		2491	struct statx_timestamp ts = (struct statx_timestamp )((char *)&stx + ix);
		2492	RETVAL = ts->tv_sec + ts->tv_nsec * 1e-9;
		2493	#else
		2494	XSRETURN_UNDEF;
		2495	#endif
		2496	OUTPUT:
		2497	RETVAL
		2498
		2499	VAL64
		2500	stx_atimesec ()
		2501	PROTOTYPE:
		2502	ALIAS:
		2503	stx_atimesec = STATX_OFFSET_atime
		2504	stx_btimesec = STATX_OFFSET_btime
		2505	stx_ctimesec = STATX_OFFSET_ctime
		2506	stx_mtimesec = STATX_OFFSET_mtime
		2507	CODE:
		2508	#if HAVE_STATX
		2509	struct statx_timestamp ts = (struct statx_timestamp )((char *)&stx + ix);
		2510	RETVAL = ts->tv_sec;
		2511	#else
		2512	XSRETURN_UNDEF;
		2513	#endif
		2514	OUTPUT:
		2515	RETVAL
		2516
		2517	U32
		2518	stx_atimensec ()
		2519	PROTOTYPE:
		2520	ALIAS:
		2521	stx_atimensec = STATX_OFFSET_atime
		2522	stx_btimensec = STATX_OFFSET_btime
		2523	stx_ctimensec = STATX_OFFSET_ctime
		2524	stx_mtimensec = STATX_OFFSET_mtime
		2525	CODE:
		2526	#if HAVE_STATX
		2527	struct statx_timestamp ts = (struct statx_timestamp )((char *)&stx + ix);
		2528	RETVAL = ts->tv_nsec;
		2529	#else
		2530	RETVAL = 0;
		2531	#endif
		2532	OUTPUT:
		2533	RETVAL
		2534
		2535	void
		2536	accept4 (aio_rfd rfh, SV *sockaddr, int salen, int flags)
		2537	PPCODE:
		2538	{
		2539	SV *retval;
		2540	#if HAVE_ACCEPT4
		2541	socklen_t salen_ = salen ? salen + 1 : 0;
		2542
		2543	if (salen)
		2544	{
		2545	sv_upgrade (sockaddr, SVt_PV);
		2546	sv_grow (sockaddr, salen_);
		2547	}
		2548
		2549	int res = accept4 (rfh, salen ? (struct sockaddr *)SvPVX (sockaddr) : 0, salen ? &salen_ : 0, flags);
		2550
		2551	retval = newmortalFH (res, O_RDWR);
		2552
		2553	if (res >= 0 && salen > 0)
		2554	{
		2555	if (salen_ > salen + 1)
		2556	salen_ = salen + 1;
		2557
		2558	SvPOK_only (sockaddr);
		2559	SvCUR_set (sockaddr, salen_);
		2560	}
		2561	#else
		2562	errno = ENOSYS;
		2563	retval = &PL_sv_undef;
		2564	#endif
		2565	XPUSHs (retval);
		2566	}
		2567
		2568	ssize_t
2233	splice (aio_rfd rfh, SV off_in, aio_wfd wfh, SV off_out, size_t length, unsigned int flags)	2569	splice (aio_rfd rfh, SV off_in, aio_wfd wfh, SV off_out, size_t length, unsigned int flags)
2234	CODE:	2570	CODE:
2235	{	2571	{
2236	#if HAVE_LINUX_SPLICE	2572	#if HAVE_LINUX_SPLICE
2237	loff_t off_in_, off_out_;	2573	loff_t off_in_, off_out_;
…		…
2245	#endif	2581	#endif
2246	}	2582	}
2247	OUTPUT:	2583	OUTPUT:
2248	RETVAL	2584	RETVAL
2249		2585
2250	int	2586	ssize_t
2251	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)	2587	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2252	CODE:	2588	CODE:
2253	#if HAVE_LINUX_SPLICE	2589	#if HAVE_LINUX_SPLICE
2254	RETVAL = tee (rfh, wfh, length, flags);	2590	RETVAL = tee (rfh, wfh, length, flags);
2255	#else	2591	#else
…		…
2298	PUSHs (newmortalFH (fd[1], O_WRONLY));	2634	PUSHs (newmortalFH (fd[1], O_WRONLY));
2299	}	2635	}
2300	}	2636	}
2301		2637
2302	void	2638	void
		2639	pidfd_open (int pid, unsigned int flags = 0)
		2640	PPCODE:
		2641	{
		2642	/GENDEF0_SYSCALL(pidfd_open,434)/
		2643	int fd = syscall (SYS_pidfd_open, pid, flags);
		2644	XPUSHs (newmortalFH (fd, O_RDWR));
		2645	}
		2646
		2647	int
		2648	pidfd_send_signal (SV pidfh, int sig, SV siginfo = &PL_sv_undef, unsigned int flags = 0)
		2649	PPCODE:
		2650	{
		2651	int res;
		2652	siginfo_t si = { 0 };
		2653
		2654	if (SvOK (siginfo))
		2655	{
		2656	HV *hv;
		2657	SV **svp;
		2658
		2659	if (!SvROK (siginfo) \|\| SvTYPE (SvRV (siginfo)) != SVt_PVHV)
		2660	croak ("siginfo argument must be a hashref code, pid, uid and value_int or value_ptr members, caught");
		2661
		2662	hv = (HV *)SvRV (siginfo);
		2663
		2664	if ((svp = hv_fetchs (hv, "code" , 0))) si.si_code = SvIV (*svp);
		2665	if ((svp = hv_fetchs (hv, "pid" , 0))) si.si_pid = SvIV (*svp);
		2666	if ((svp = hv_fetchs (hv, "uid" , 0))) si.si_uid = SvIV (*svp);
		2667	if ((svp = hv_fetchs (hv, "value_int", 0))) si.si_value.sival_int = SvIV (*svp);
		2668	if ((svp = hv_fetchs (hv, "value_ptr", 0))) si.si_value.sival_ptr = (void )SvIV (svp);
		2669	}
		2670
		2671	/GENDEF0_SYSCALL(pidfd_send_signal,424)/
		2672	res = syscall (SYS_pidfd_send_signal, s_fileno_croak (pidfh, 0), sig, SvOK (siginfo) ? &si : 0, flags);
		2673
		2674	XPUSHs (sv_2mortal (newSViv (res)));
		2675	}
		2676
		2677	void
		2678	pidfd_getfd (SV *pidfh, int targetfd, unsigned int flags = 0)
		2679	PPCODE:
		2680	{
		2681	/GENDEF0_SYSCALL(pidfd_getfd,438)/
		2682	int fd = syscall (SYS_pidfd_getfd, s_fileno_croak (pidfh, 0), targetfd, flags);
		2683	XPUSHs (newmortalFH (fd, O_RDWR));
		2684	}
		2685
		2686	void
2303	eventfd (unsigned int initval = 0, int flags = 0)	2687	eventfd (unsigned int initval = 0, int flags = 0)
2304	PPCODE:	2688	PPCODE:
2305	{	2689	{
2306	int fd;	2690	int fd;
2307	#if HAVE_EVENTFD	2691	#if HAVE_EVENTFD
…		…
2370	#else	2754	#else
2371	errno = ENOSYS;	2755	errno = ENOSYS;
2372	#endif	2756	#endif
2373	}	2757	}
2374		2758
		2759	void
		2760	memfd_create (SV8 *pathname, int flags = 0)
		2761	PPCODE:
		2762	{
		2763	int fd;
		2764	#if HAVE_MEMFD_CREATE
		2765	fd = memfd_create (SvPVbyte_nolen (pathname), flags);
		2766	#else
		2767	fd = (errno = ENOSYS, -1);
		2768	#endif
		2769
		2770	XPUSHs (newmortalFH (fd, O_RDWR));
		2771	}
		2772
2375	UV	2773	UV
2376	get_fdlimit ()	2774	get_fdlimit ()
2377	CODE:	2775	CODE:
2378	#if HAVE_RLIMITS	2776	#if HAVE_RLIMITS
2379	struct rlimit rl;	2777	struct rlimit rl;
…		…
2412	if (0 == setrlimit (RLIMIT_NOFILE, &rl))	2810	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2413	XSRETURN_YES;	2811	XSRETURN_YES;
2414		2812
2415	if (errno == EPERM)	2813	if (errno == EPERM)
2416	{	2814	{
2417	/* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */	2815	/* setrlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2418	/* our limit overflows a system-wide limit */	2816	/* our limit overflows a system-wide limit */
2419	/* try an adaptive algorithm, but do not lower the hardlimit */	2817	/* try an adaptive algorithm, but do not lower the hardlimit */
2420	rl.rlim_max = 0;	2818	rl.rlim_max = 0;
2421	for (bit = 0x40000000U; bit; bit >>= 1)	2819	for (bit = 0x40000000U; bit; bit >>= 1)
2422	{	2820	{
2423	rl.rlim_max \|= bit;	2821	rl.rlim_max \|= bit;
2424	rl.rlim_cur = rl.rlim_max;	2822	rl.rlim_cur = rl.rlim_max;
2425		2823
2426	/* nevr decrease the hard limit */	2824	/* never decrease the hard limit */
2427	if (rl.rlim_max < orig_rlim_max)	2825	if (rl.rlim_max < orig_rlim_max)
2428	break;	2826	break;
2429		2827
2430	if (0 != setrlimit (RLIMIT_NOFILE, &rl))	2828	if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2431	rl.rlim_max &= ~bit; /* too high, remove bit again */	2829	rl.rlim_max &= ~bit; /* too high, remove bit again */

Diff Legend

-–
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Comparing IO-AIO/AIO.xs (file contents): Revision 1.266 by root, Tue Aug 14 14:03:14 2018 UTC vs. Revision 1.286 by root, Tue Dec 29 15:25:26 2020 UTC

Diff Legend

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.266 by root, Tue Aug 14 14:03:14 2018 UTC vs.
Revision 1.286 by root, Tue Dec 29 15:25:26 2020 UTC