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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.253 by root, Tue Feb 20 04:32:59 2018 UTC vs.
Revision 1.287 by root, Tue Dec 29 15:28:02 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	#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
85		86
86	#include <sys/time.h>	87	#include <sys/time.h>
87	#include <sys/select.h>	88	#include <sys/select.h>
		89	#include <sys/wait.h>
88	#include <unistd.h>	90	#include <unistd.h>
89	#include <utime.h>	91	#include <utime.h>
90	#include <signal.h>	92	#include <signal.h>
91		93
92	#define EIO_STRUCT_STAT Stat_t	94	#define EIO_STRUCT_STAT Stat_t
…		…
104	#define expect_false(expr) expect ((expr) != 0, 0)	106	#define expect_false(expr) expect ((expr) != 0, 0)
105	#define expect_true(expr) expect ((expr) != 0, 1)	107	#define expect_true(expr) expect ((expr) != 0, 1)
106		108
107	/*****************************************************************************/	109	/*****************************************************************************/
108		110
109	#include "libeio/config.h"	111	#include "config.h"
		112
		113	#if HAVE_SYS_MKDEV_H
		114	# include <sys/mkdev.h>
		115	#elif HAVE_SYS_SYSMACROS_H
		116	# include <sys/sysmacros.h>
		117	#endif
		118
		119	#if _POSIX_MEMLOCK \|\| _POSIX_MEMLOCK_RANGE \|\| _POSIX_MAPPED_FILES
		120	# include <sys/mman.h>
		121	#endif
		122
		123	#if HAVE_SYS_UIO_H
		124	# include <sys/uio.h>
		125	#endif
		126
		127	#if HAVE_ST_XTIMENSEC
		128	# define ATIMENSEC PL_statcache.st_atimensec
		129	# define MTIMENSEC PL_statcache.st_mtimensec
		130	# define CTIMENSEC PL_statcache.st_ctimensec
		131	#elif HAVE_ST_XTIMESPEC
		132	# define ATIMENSEC PL_statcache.st_atim.tv_nsec
		133	# define MTIMENSEC PL_statcache.st_mtim.tv_nsec
		134	# define CTIMENSEC PL_statcache.st_ctim.tv_nsec
		135	#else
		136	# define ATIMENSEC 0
		137	# define MTIMENSEC 0
		138	# define CTIMENSEC 0
		139	#endif
		140
		141	#if HAVE_ST_BIRTHTIMENSEC
		142	# define BTIMESEC PL_statcache.st_birthtime
		143	# define BTIMENSEC PL_statcache.st_birthtimensec
		144	#elif HAVE_ST_BIRTHTIMESPEC
		145	# define BTIMESEC PL_statcache.st_birthtim.tv_sec
		146	# define BTIMENSEC PL_statcache.st_birthtim.tv_nsec
		147	#else
		148	# define BTIMESEC 0
		149	# define BTIMENSEC 0
		150	#endif
		151
		152	#if HAVE_ST_GEN
		153	# define ST_GEN PL_statcache.st_gen
		154	#else
		155	# define ST_GEN 0
		156	#endif
		157
		158	#include "schmorp.h"
110		159
111	#if HAVE_EVENTFD	160	#if HAVE_EVENTFD
112	# include <sys/eventfd.h>	161	# include <sys/eventfd.h>
		162	#endif
		163
		164	#if HAVE_TIMERFD
		165	# include <sys/timerfd.h>
113	#endif	166	#endif
114		167
115	#if HAVE_RLIMITS	168	#if HAVE_RLIMITS
116	#include <sys/time.h>	169	#include <sys/time.h>
117	#include <sys/resource.h>	170	#include <sys/resource.h>
…		…
155	# else	208	# else
156	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	209	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
157	# endif	210	# endif
158	#endif	211	#endif
159		212
160	/* defines all sorts of constants to 0 unless they are already defined */
161	/* also provides const_iv_ and const_niv_ macros for them */
162	#include "def0.h"
163
164	#ifndef makedev	213	#ifndef makedev
165	# define makedev(maj,min) (((maj) << 8) \| (min))	214	# define makedev(maj,min) (((maj) << 8) \| (min))
166	#endif	215	#endif
167	#ifndef major	216	#ifndef major
168	# define major(dev) ((dev) >> 8)	217	# define major(dev) ((dev) >> 8)
169	#endif	218	#endif
170	#ifndef minor	219	#ifndef minor
171	# define minor(dev) ((dev) & 0xff)	220	# define minor(dev) ((dev) & 0xff)
172	#endif	221	#endif
173		222
		223	/* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */
		224	#ifdef __sun
		225	# undef PAGESIZE
		226	#endif
		227
174	#if PAGESIZE <= 0	228	#if PAGESIZE <= 0
175	# define PAGESIZE sysconf (_SC_PAGESIZE)	229	# define PAGESIZE sysconf (_SC_PAGESIZE)
176	#endif	230	#endif
177		231
		232	#if HAVE_SYSCALL
		233	#include <sys/syscall.h>
		234	#else
		235	# define syscall(nr,...) (errno = ENOSYS, -1)
		236	#endif
		237
178	/*****************************************************************************/	238	/*****************************************************************************/
179		239
180	#if !_POSIX_MAPPED_FILES	240	#if !_POSIX_MAPPED_FILES
181	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()	241	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
182	# define munmap(addr,length) EIO_ENOSYS ()	242	# define munmap(addr,length) EIO_ENOSYS ()
183	#endif	243	#endif
184		244
185	#if !_POSIX_MEMORY_PROTECTION	245	#if !_POSIX_MEMORY_PROTECTION
186	# define mprotect(addr,len,prot) EIO_ENOSYS ()	246	# define mprotect(addr,len,prot) EIO_ENOSYS ()
		247	#endif
		248
		249	#if !MREMAP_MAYMOVE
		250	# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
187	#endif	251	#endif
188		252
189	#define FOREIGN_MAGIC PERL_MAGIC_ext	253	#define FOREIGN_MAGIC PERL_MAGIC_ext
190		254
191	static int ecb_cold	255	static int ecb_cold
…		…
236	};	300	};
237		301
238	/*****************************************************************************/	302	/*****************************************************************************/
239		303
240	/* helper: set scalar to foreign ptr with custom free */	304	/* helper: set scalar to foreign ptr with custom free */
		305	ecb_noinline
241	static void	306	static void
242	sv_set_foreign (SV sv, const MGVTBL const vtbl, void *addr, IV length)	307	sv_set_foreign (SV sv, const MGVTBL const vtbl, void *addr, IV length)
243	{	308	{
244	sv_force_normal (sv);	309	sv_force_normal (sv);
245		310
…		…
263	{	328	{
264	/* todo: iterate over magic and only free ours, but of course */	329	/* todo: iterate over magic and only free ours, but of course */
265	/* the perl5porters will call that (correct) behaviour buggy */	330	/* the perl5porters will call that (correct) behaviour buggy */
266	sv_unmagic (sv, FOREIGN_MAGIC);	331	sv_unmagic (sv, FOREIGN_MAGIC);
267	}	332	}
		333
		334	/*****************************************************************************/
		335
		336	/* defines all sorts of constants to 0 unless they are already defined */
		337	/* also provides const_iv_ and const_niv_ macros for them */
		338	#include "def0.h"
268		339
269	/*****************************************************************************/	340	/*****************************************************************************/
270		341
271	static void	342	static void
272	fiemap (eio_req *req)	343	fiemap (eio_req *req)
…		…
280	int count = req->int3;	351	int count = req->int3;
281		352
282	req->flags \|= EIO_FLAG_PTR1_FREE;	353	req->flags \|= EIO_FLAG_PTR1_FREE;
283		354
284	/* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */	355	/* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
285	/* increase in 3.5kb steps */	356	/* increase in fixed steps */
286	if (count < 0)	357	if (count < 0)
287	count = 8;	358	count = 8;
288		359
289	fiemap = malloc (sizeof (fiemap) + sizeof (struct fiemap_extent) count);	360	fiemap = malloc (sizeof (fiemap) + sizeof (struct fiemap_extent) count);
290	errno = ENOMEM;	361	errno = ENOMEM;
…		…
343		414
344	for (count = 0; count < incmap->fm_mapped_extents; ++count)	415	for (count = 0; count < incmap->fm_mapped_extents; ++count)
345	{	416	{
346	struct fiemap_extent *e = incmap->fm_extents + count;	417	struct fiemap_extent *e = incmap->fm_extents + count;
347		418
		419	fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
		420
348	if (e->fe_logical + e->fe_length >= end_offset)	421	if (e->fe_logical >= end_offset)
349	goto done;	422	goto done;
350
351	fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
352		423
353	if (e->fe_flags & FIEMAP_EXTENT_LAST)	424	if (e->fe_flags & FIEMAP_EXTENT_LAST)
354	goto done;	425	goto done;
355		426
356	}	427	}
…		…
363	errno = ENOSYS;	434	errno = ENOSYS;
364	#endif	435	#endif
365	}	436	}
366		437
367	/*****************************************************************************/	438	/*****************************************************************************/
		439
		440	static int close_fd; /* dummy fd to close fds via dup2 */
		441
		442	#if HAVE_STATX
		443	static struct statx stx;
		444	#define statx_offsetof(member) offsetof (struct statx, member)
		445	#define eio__statx statx
		446	#else
		447	#define statx_offsetof(member) 0
		448	#define eio__statx(dir,path,flags,mask,stx) EIO_ENOSYS()
		449	#endif
368		450
369	enum {	451	enum {
370	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	452	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
371	};	453	};
372		454
…		…
396	/* read any signals sent by the worker threads */	478	/* read any signals sent by the worker threads */
397	s_epipe_drain (&respipe);	479	s_epipe_drain (&respipe);
398	}	480	}
399		481
400	/* must be called at most once */	482	/* must be called at most once */
		483	ecb_noinline
401	static SV *	484	static SV *
402	req_sv (aio_req req, HV *stash)	485	req_sv (aio_req req, HV *stash)
403	{	486	{
404	if (!req->self)	487	if (!req->self)
405	{	488	{
…		…
414	newSVaio_wd (aio_wd wd)	497	newSVaio_wd (aio_wd wd)
415	{	498	{
416	return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);	499	return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
417	}	500	}
418		501
		502	ecb_noinline
419	static aio_req	503	static aio_req
420	SvAIO_REQ (SV *sv)	504	SvAIO_REQ (SV *sv)
421	{	505	{
422	MAGIC *mg;	506	MAGIC *mg;
423		507
…		…
486	FREETMPS;	570	FREETMPS;
487	LEAVE;	571	LEAVE;
488	}	572	}
489	}	573	}
490		574
		575	ecb_noinline
491	static void	576	static void
492	req_submit (eio_req *req)	577	req_submit (eio_req *req)
493	{	578	{
494	eio_submit (req);	579	eio_submit (req);
495		580
…		…
756	}	841	}
757	else	842	else
758	PUSHs (sv_result);	843	PUSHs (sv_result);
759	break;	844	break;
760		845
		846	#if 0
		847	case EIO_CLOSE:
		848	PerlIOUnix_refcnt_dec (req->int1);
		849	break;
		850	#endif
		851
761	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */	852	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
762	if (req->result > 0)	853	if (req->result > 0)
763	SvIV_set (sv_result, 0);	854	SvIV_set (sv_result, 0);
764	/* FALLTHROUGH */	855	/* FALLTHROUGH */
765		856
…		…
816	grp->sv2 = 0;	907	grp->sv2 = 0;
817		908
818	eio_grp_cancel (grp);	909	eio_grp_cancel (grp);
819	}	910	}
820		911
821	static void ecb_cold	912	ecb_cold
		913	static void
822	create_respipe (void)	914	create_respipe (void)
823	{	915	{
824	if (s_epipe_renew (&respipe))	916	if (s_epipe_renew (&respipe))
825	croak ("IO::AIO: unable to initialize result pipe");	917	croak ("IO::AIO: unable to initialize result pipe");
826	}	918	}
…		…
860		952
861	poll_wait ();	953	poll_wait ();
862	}	954	}
863	}	955	}
864		956
865	static void ecb_cold	957	ecb_cold
		958	static void
866	reinit (void)	959	reinit (void)
867	{	960	{
868	create_respipe ();	961	create_respipe ();
869		962
870	if (eio_init (want_poll, done_poll) < 0)	963	if (eio_init (want_poll, done_poll) < 0)
…		…
878	{	971	{
879	SvGETMAGIC (cb_sv);	972	SvGETMAGIC (cb_sv);
880	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	973	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
881	}	974	}
882		975
		976	ecb_noinline
883	static aio_req ecb_noinline	977	static aio_req ecb_noinline
884	dreq (SV *callback)	978	dreq (SV *callback)
885	{	979	{
886	SV *cb_cv;	980	SV *cb_cv;
887	aio_req req;	981	aio_req req;
…		…
909	SPAGAIN; \	1003	SPAGAIN; \
910	\	1004	\
911	if (GIMME_V != G_VOID) \	1005	if (GIMME_V != G_VOID) \
912	XPUSHs (req_sv (req, aio_req_stash));	1006	XPUSHs (req_sv (req, aio_req_stash));
913		1007
		1008	/* wdsv, pathsv, wd and ptr must be 0-initialized */
914	ecb_inline void	1009	ecb_inline
		1010	void
915	req_set_path (aio_req req, SV path, SV wdsv, SV pathsv, eio_wd wd, void **ptr)	1011	req_set_path (SV path, SV wdsv, SV pathsv, eio_wd wd, void **ptr)
916	{	1012	{
917	if (expect_false (SvROK (path)))	1013	if (expect_false (SvROK (path)))
918	{	1014	{
919	SV *rv = SvRV (path);	1015	SV *rv = SvRV (path);
920	SV *wdob;	1016	SV *wdob;
…		…
945		1041
946	*pathsv = newSVsv (path);	1042	*pathsv = newSVsv (path);
947	ptr = SvPVbyte_nolen (pathsv);	1043	ptr = SvPVbyte_nolen (pathsv);
948	}	1044	}
949		1045
950	static void ecb_noinline	1046	ecb_noinline
		1047	static void
951	req_set_path1 (aio_req req, SV *path)	1048	req_set_path1 (aio_req req, SV *path)
952	{	1049	{
953	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);	1050	req_set_path (path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
954	}	1051	}
955		1052
956	static void ecb_noinline	1053	ecb_noinline
		1054	static void
957	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)	1055	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
958	{	1056	{
959	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;	1057	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
960		1058
961	switch (SvTYPE (rv))	1059	switch (SvTYPE (rv))
…		…
973	req_set_path1 (req, fh_or_path);	1071	req_set_path1 (req, fh_or_path);
974	break;	1072	break;
975	}	1073	}
976	}	1074	}
977		1075
		1076	/*****************************************************************************/
		1077
		1078	static void
		1079	ts_set (struct timespec *ts, NV value)
		1080	{
		1081	ts->tv_sec = value;
		1082	ts->tv_nsec = (value - ts->tv_sec) * 1e9;
		1083	}
		1084
		1085	static NV
		1086	ts_get (const struct timespec *ts)
		1087	{
		1088	return ts->tv_sec + ts->tv_nsec * 1e-9;
		1089	}
		1090
		1091	/*****************************************************************************/
		1092
978	XS(boot_IO__AIO) ecb_cold;	1093	XS(boot_IO__AIO) ecb_cold;
979		1094
980	MODULE = IO::AIO PACKAGE = IO::AIO	1095	MODULE = IO::AIO PACKAGE = IO::AIO
981		1096
982	PROTOTYPES: ENABLE	1097	PROTOTYPES: ENABLE
…		…
1013	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)	1128	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1014	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)	1129	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1015	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)	1130	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1016		1131
1017	/* the second block will be 0 when missing */	1132	/* the second block will be 0 when missing */
		1133	const_iv (O_ACCMODE)
		1134
1018	const_iv (O_RDONLY)	1135	const_iv (O_RDONLY)
1019	const_iv (O_WRONLY)	1136	const_iv (O_WRONLY)
1020	const_iv (O_RDWR)	1137	const_iv (O_RDWR)
1021	const_iv (O_CREAT)	1138	const_iv (O_CREAT)
1022	const_iv (O_TRUNC)	1139	const_iv (O_TRUNC)
…		…
1082	const_iv (MAP_GROWSDOWN)	1199	const_iv (MAP_GROWSDOWN)
1083	const_iv (MAP_32BIT)	1200	const_iv (MAP_32BIT)
1084	const_iv (MAP_HUGETLB)	1201	const_iv (MAP_HUGETLB)
1085	const_iv (MAP_STACK)	1202	const_iv (MAP_STACK)
1086		1203
		1204	const_iv (MREMAP_MAYMOVE)
		1205	const_iv (MREMAP_FIXED)
		1206
		1207	const_iv (MSG_CMSG_CLOEXEC)
		1208	const_iv (SOCK_CLOEXEC)
		1209
1087	const_iv (F_DUPFD_CLOEXEC)	1210	const_iv (F_DUPFD_CLOEXEC)
		1211
		1212	const_iv (F_ADD_SEALS)
		1213	const_iv (F_GET_SEALS)
		1214	const_iv (F_SEAL_SEAL)
		1215	const_iv (F_SEAL_SHRINK)
		1216	const_iv (F_SEAL_GROW)
		1217	const_iv (F_SEAL_WRITE)
1088		1218
1089	const_iv (F_OFD_GETLK)	1219	const_iv (F_OFD_GETLK)
1090	const_iv (F_OFD_SETLK)	1220	const_iv (F_OFD_SETLK)
1091	const_iv (F_OFD_GETLKW)	1221	const_iv (F_OFD_GETLKW)
1092		1222
…		…
1169		1299
1170	const_iv (EFD_CLOEXEC)	1300	const_iv (EFD_CLOEXEC)
1171	const_iv (EFD_NONBLOCK)	1301	const_iv (EFD_NONBLOCK)
1172	const_iv (EFD_SEMAPHORE)	1302	const_iv (EFD_SEMAPHORE)
1173		1303
		1304	const_iv (MFD_CLOEXEC)
		1305	const_iv (MFD_ALLOW_SEALING)
		1306	const_iv (MFD_HUGETLB)
		1307
		1308	const_iv (CLOCK_REALTIME)
		1309	const_iv (CLOCK_MONOTONIC)
		1310	const_iv (CLOCK_BOOTTIME)
		1311	const_iv (CLOCK_REALTIME_ALARM)
		1312	const_iv (CLOCK_BOOTTIME_ALARM)
		1313
		1314	const_iv (TFD_NONBLOCK)
		1315	const_iv (TFD_CLOEXEC)
		1316
		1317	const_iv (TFD_TIMER_ABSTIME)
		1318	const_iv (TFD_TIMER_CANCEL_ON_SET)
		1319
		1320	const_iv (STATX_TYPE)
		1321	const_iv (STATX_MODE)
		1322	const_iv (STATX_NLINK)
		1323	const_iv (STATX_UID)
		1324	const_iv (STATX_GID)
		1325	const_iv (STATX_ATIME)
		1326	const_iv (STATX_MTIME)
		1327	const_iv (STATX_CTIME)
		1328	const_iv (STATX_INO)
		1329	const_iv (STATX_SIZE)
		1330	const_iv (STATX_BLOCKS)
		1331	const_iv (STATX_BASIC_STATS)
		1332	const_iv (STATX_ALL)
		1333	const_iv (STATX_BTIME)
		1334	const_iv (STATX_ATTR_COMPRESSED)
		1335	const_iv (STATX_ATTR_IMMUTABLE)
		1336	const_iv (STATX_ATTR_APPEND)
		1337	const_iv (STATX_ATTR_NODUMP)
		1338	const_iv (STATX_ATTR_ENCRYPTED)
		1339	const_iv (STATX_ATTR_AUTOMOUNT)
		1340
		1341	const_iv (AT_FDCWD)
		1342	const_iv (AT_SYMLINK_NOFOLLOW)
		1343	const_iv (AT_EACCESS)
		1344	const_iv (AT_REMOVEDIR)
		1345	const_iv (AT_SYMLINK_FOLLOW)
		1346	const_iv (AT_NO_AUTOMOUNT)
		1347	const_iv (AT_EMPTY_PATH)
		1348	const_iv (AT_STATX_SYNC_TYPE)
		1349	const_iv (AT_STATX_AS_STAT)
		1350	const_iv (AT_STATX_FORCE_SYNC)
		1351	const_iv (AT_STATX_DONT_SYNC)
		1352	const_iv (AT_RECURSIVE)
		1353
		1354	const_iv (OPEN_TREE_CLONE)
		1355
		1356	const_iv (FSOPEN_CLOEXEC)
		1357
		1358	const_iv (FSPICK_CLOEXEC)
		1359	const_iv (FSPICK_SYMLINK_NOFOLLOW)
		1360	const_iv (FSPICK_NO_AUTOMOUNT)
		1361	const_iv (FSPICK_EMPTY_PATH)
		1362
		1363	const_iv (MOVE_MOUNT_F_SYMLINKS)
		1364	const_iv (MOVE_MOUNT_F_AUTOMOUNTS)
		1365	const_iv (MOVE_MOUNT_F_EMPTY_PATH)
		1366	const_iv (MOVE_MOUNT_T_SYMLINKS)
		1367	const_iv (MOVE_MOUNT_T_AUTOMOUNTS)
		1368	const_iv (MOVE_MOUNT_T_EMPTY_PATH)
		1369
		1370	/* waitid */
		1371	const_iv (P_PID)
		1372	const_iv (P_PIDFD)
		1373	const_iv (P_PGID)
		1374	const_iv (P_ALL)
		1375
1174	/* these are libeio constants, and are independent of gendef0 */	1376	/* these are libeio constants, and are independent of gendef0 */
1175	const_eio (SEEK_SET)	1377	const_eio (SEEK_SET)
1176	const_eio (SEEK_CUR)	1378	const_eio (SEEK_CUR)
1177	const_eio (SEEK_END)	1379	const_eio (SEEK_END)
1178		1380
1179	const_eio (MCL_FUTURE)	1381	const_eio (MCL_FUTURE)
1180	const_eio (MCL_CURRENT)	1382	const_eio (MCL_CURRENT)
		1383	const_eio (MCL_ONFAULT)
1181		1384
1182	const_eio (MS_ASYNC)	1385	const_eio (MS_ASYNC)
1183	const_eio (MS_INVALIDATE)	1386	const_eio (MS_INVALIDATE)
1184	const_eio (MS_SYNC)	1387	const_eio (MS_SYNC)
1185		1388
…		…
1224	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)	1427	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
1225	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));	1428	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
1226		1429
1227	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1430	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
1228		1431
		1432	/* allocate dummy pipe fd for aio_close */
		1433	{
		1434	int pipefd [2];
		1435
		1436	if (
		1437	#ifdef _WIN32
		1438	_pipe (pipefd, 1, _O_BINARY) < 0
		1439	#else
		1440	pipe (pipefd) < 0
		1441	\|\| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1442	#endif
		1443	\|\| close (pipefd [1]) < 0
		1444	)
		1445	croak ("IO::AIO: unable to create dummy pipe for aio_close");
		1446
		1447	close_fd = pipefd [0];
		1448	}
		1449
1229	reinit ();	1450	reinit ();
1230	}	1451	}
1231		1452
1232	void	1453	void
1233	reinit ()	1454	reinit ()
…		…
1355		1576
1356	void	1577	void
1357	aio_close (SV fh, SV callback = &PL_sv_undef)	1578	aio_close (SV fh, SV callback = &PL_sv_undef)
1358	PPCODE:	1579	PPCODE:
1359	{	1580	{
1360	static int close_fd = -1; /* dummy fd to close fds via dup2 */
1361	int fd = s_fileno_croak (fh, 0);	1581	int fd = s_fileno_croak (fh, 0);
1362	dREQ;	1582	dREQ;
		1583	#if 0
		1584	/* partially duplicate logic in s_fileno */
		1585	SvGETMAGIC (fh);
1363		1586
1364	if (expect_false (close_fd < 0))	1587	if (SvROK (fh))
		1588	{
		1589	fh = SvRV (fh);
		1590	SvGETMAGIC (fh);
		1591	}
		1592
		1593	if (SvTYPE (fh) == SVt_PVGV)
1365	{	1594	{
1366	int pipefd [2];	1595	/* perl filehandle */
		1596	PerlIOUnix_refcnt_inc (fd);
		1597	do_close ((GV *)fh, 1);
1367		1598
1368	if (	1599	req->type = EIO_CLOSE;
1369	#ifdef _WIN32	1600	req->int1 = fd;
1370	_pipe (pipefd, 1, _O_BINARY) < 0	1601	/req->sv2 = newSVsv (fh);/ /* since we stole the fd, no need to keep the fh */
1371	#else
1372	pipe (pipefd) < 0
1373	\|\| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1374	#endif
1375	\|\| close (pipefd [1]) < 0
1376	)
1377	abort (); /D/
1378
1379	close_fd = pipefd [0];
1380	}	1602	}
1381		1603	else
		1604	#endif
		1605	{
		1606	/* fd number */
1382	req->type = EIO_DUP2;	1607	req->type = EIO_DUP2;
1383	req->int1 = close_fd;	1608	req->int1 = close_fd;
1384	req->sv2 = newSVsv (fh);	1609	req->sv2 = newSVsv (fh);
1385	req->int2 = fd;	1610	req->int2 = fd;
		1611	}
1386		1612
1387	REQ_SEND;	1613	REQ_SEND;
1388	}	1614	}
1389		1615
1390	void	1616	void
…		…
1561	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);	1787	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1562		1788
1563	REQ_SEND;	1789	REQ_SEND;
1564	}	1790	}
1565		1791
		1792	void
		1793	st_xtime ()
		1794	ALIAS:
		1795	st_atime = 0x01
		1796	st_mtime = 0x02
		1797	st_ctime = 0x04
		1798	st_btime = 0x08
		1799	st_xtime = 0x0f
		1800	PPCODE:
		1801	EXTEND (SP, 4);
		1802	if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
		1803	if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
		1804	if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
		1805	if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
		1806
		1807	void
		1808	st_xtimensec ()
		1809	ALIAS:
		1810	st_atimensec = 0x01
		1811	st_mtimensec = 0x02
		1812	st_ctimensec = 0x04
		1813	st_btimensec = 0x08
		1814	st_xtimensec = 0x0f
		1815	st_btimesec = 0x10
		1816	st_gen = 0x20
		1817	PPCODE:
		1818	EXTEND (SP, 4);
		1819	if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
		1820	if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
		1821	if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
		1822	if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
		1823	if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
		1824	if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
		1825
1566	UV	1826	UV
1567	major (UV dev)	1827	major (UV dev)
1568	ALIAS:	1828	ALIAS:
1569	minor = 1	1829	minor = 1
1570	CODE:	1830	CODE:
…		…
1686	eio_wd wd2 = 0;	1946	eio_wd wd2 = 0;
1687	dREQ;	1947	dREQ;
1688		1948
1689	req->type = ix;	1949	req->type = ix;
1690	req_set_path1 (req, oldpath);	1950	req_set_path1 (req, oldpath);
1691	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);	1951	req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1692	req->int3 = (long)wd2;	1952	req->int3 = (long)wd2;
1693		1953
1694	REQ_SEND;	1954	REQ_SEND;
1695	}	1955	}
1696		1956
…		…
1701	eio_wd wd2 = 0;	1961	eio_wd wd2 = 0;
1702	dREQ;	1962	dREQ;
1703		1963
1704	req->type = EIO_RENAME;	1964	req->type = EIO_RENAME;
1705	req_set_path1 (req, oldpath);	1965	req_set_path1 (req, oldpath);
1706	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);	1966	req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1707	req->int2 = flags;	1967	req->int2 = flags;
1708	req->int3 = (long)wd2;	1968	req->int3 = (long)wd2;
1709		1969
1710	REQ_SEND;	1970	REQ_SEND;
1711	}	1971	}
…		…
2024	void	2284	void
2025	munmap (SV *scalar)	2285	munmap (SV *scalar)
2026	CODE:	2286	CODE:
2027	sv_clear_foreign (scalar);	2287	sv_clear_foreign (scalar);
2028		2288
		2289	SV *
		2290	mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
		2291	CODE:
		2292	{
		2293	MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
		2294	void *new;
		2295
		2296	if (!mg \|\| SvPVX (scalar) != mg->mg_ptr)
		2297	croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
		2298
		2299	new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
		2300
		2301	RETVAL = &PL_sv_no;
		2302
		2303	if (new != (void *)-1)
		2304	{
		2305	RETVAL = new == (void *)mg->mg_ptr
		2306	? newSVpvn ("0 but true", 10)
		2307	: &PL_sv_yes;
		2308
		2309	mg->mg_ptr = (char *)new;
		2310	mg->mg_obj = (SV *)new_length;
		2311
		2312	SvPVX (scalar) = mg->mg_ptr;
		2313	SvCUR_set (scalar, new_length);
		2314	}
		2315	}
		2316	OUTPUT:
		2317	RETVAL
		2318
2029	int	2319	int
2030	madvise (SV scalar, STRLEN offset = 0, SV length = &PL_sv_undef, IV advice_or_prot)	2320	madvise (SV scalar, IV offset = 0, SV length = &PL_sv_undef, IV advice_or_prot)
2031	ALIAS:	2321	ALIAS:
2032	mprotect = 1	2322	mprotect = 1
2033	CODE:	2323	CODE:
2034	{	2324	{
2035	STRLEN svlen;	2325	STRLEN svlen;
…		…
2056	}	2346	}
2057	OUTPUT:	2347	OUTPUT:
2058	RETVAL	2348	RETVAL
2059		2349
2060	int	2350	int
2061	munlock (SV scalar, STRLEN offset = 0, SV length = &PL_sv_undef)	2351	munlock (SV scalar, IV offset = 0, SV length = &PL_sv_undef)
2062	CODE:	2352	CODE:
2063	{	2353	{
2064	STRLEN svlen;	2354	STRLEN svlen;
2065	void *addr = SvPVbyte (scalar, svlen);	2355	void *addr = SvPVbyte (scalar, svlen);
2066	size_t len = SvUV (length);	2356	size_t len = SvUV (length);
…		…
2081	#else	2371	#else
2082	RETVAL = EIO_ENOSYS ();	2372	RETVAL = EIO_ENOSYS ();
2083	#endif	2373	#endif
2084	}	2374	}
2085	OUTPUT:	2375	OUTPUT:
		2376	RETVAL
		2377
		2378	int
		2379	mlockall (int flags)
		2380	PROTOTYPE: $;
		2381	CODE:
		2382	RETVAL = eio_mlockall_sync (flags);
		2383	OUTPUT:
2086	RETVAL	2384	RETVAL
2087		2385
2088	int	2386	int
2089	munlockall ()	2387	munlockall ()
2090	CODE:	2388	CODE:
…		…
2095	#endif	2393	#endif
2096	OUTPUT:	2394	OUTPUT:
2097	RETVAL	2395	RETVAL
2098		2396
2099	int	2397	int
		2398	statx (SV8 *pathname, int flags, UV mask)
		2399	CODE:
		2400	{
		2401	/* undocumented, and might go away, and anyway, should use eio_statx */
		2402	SV *wdsv = 0;
		2403	SV *pathsv = 0;
		2404	eio_wd wd = EIO_CWD;
		2405	void *ptr;
		2406	int res;
		2407
		2408	req_set_path (pathname, &wdsv, &pathsv, &wd, &ptr);
		2409	RETVAL = eio__statx (!wd \|\| wd->fd == EIO_CWD ? AT_FDCWD : wd->fd, ptr, flags, mask & STATX_ALL, &stx);
		2410
		2411	SvREFCNT_dec (pathsv);
		2412	SvREFCNT_dec (wdsv);
		2413	}
		2414	OUTPUT:
		2415	RETVAL
		2416
		2417	U32
		2418	stx_mode ()
		2419	PROTOTYPE:
		2420	CODE:
		2421	#if HAVE_STATX
		2422	RETVAL = stx.stx_mode;
		2423	#else
		2424	XSRETURN_UNDEF;
		2425	#endif
		2426	OUTPUT:
		2427	RETVAL
		2428
		2429	#define STATX_OFFSET_mask statx_offsetof (stx_mask)
		2430	#define STATX_OFFSET_blksize statx_offsetof (stx_blksize)
		2431	#define STATX_OFFSET_nlink statx_offsetof (stx_nlink)
		2432	#define STATX_OFFSET_uid statx_offsetof (stx_uid)
		2433	#define STATX_OFFSET_gid statx_offsetof (stx_gid)
		2434	#define STATX_OFFSET_rdev_major statx_offsetof (stx_rdev_major)
		2435	#define STATX_OFFSET_rdev_minor statx_offsetof (stx_rdev_minor)
		2436	#define STATX_OFFSET_dev_major statx_offsetof (stx_dev_major)
		2437	#define STATX_OFFSET_dev_minor statx_offsetof (stx_dev_minor)
		2438	#define STATX_OFFSET_attributes statx_offsetof (stx_attributes)
		2439	#define STATX_OFFSET_ino statx_offsetof (stx_ino)
		2440	#define STATX_OFFSET_size statx_offsetof (stx_size)
		2441	#define STATX_OFFSET_blocks statx_offsetof (stx_blocks)
		2442	#define STATX_OFFSET_attributes_mask statx_offsetof (stx_attributes_mask)
		2443	#define STATX_OFFSET_atime statx_offsetof (stx_atime)
		2444	#define STATX_OFFSET_btime statx_offsetof (stx_btime)
		2445	#define STATX_OFFSET_ctime statx_offsetof (stx_ctime)
		2446	#define STATX_OFFSET_mtime statx_offsetof (stx_mtime)
		2447
		2448	U32
		2449	stx_mask ()
		2450	PROTOTYPE:
		2451	ALIAS:
		2452	stx_mask = STATX_OFFSET_mask
		2453	stx_blksize = STATX_OFFSET_blksize
		2454	stx_nlink = STATX_OFFSET_nlink
		2455	stx_uid = STATX_OFFSET_uid
		2456	stx_gid = STATX_OFFSET_gid
		2457	stx_rdev_major = STATX_OFFSET_rdev_major
		2458	stx_rdev_minor = STATX_OFFSET_rdev_minor
		2459	stx_dev_major = STATX_OFFSET_dev_major
		2460	stx_dev_minor = STATX_OFFSET_dev_minor
		2461	CODE:
		2462	#if HAVE_STATX
		2463	RETVAL = (__u32 )((char *)&stx + ix);
		2464	#else
		2465	XSRETURN_UNDEF;
		2466	#endif
		2467	OUTPUT:
		2468	RETVAL
		2469
		2470	VAL64
		2471	stx_attributes ()
		2472	PROTOTYPE:
		2473	ALIAS:
		2474	stx_attributes = STATX_OFFSET_attributes
		2475	stx_ino = STATX_OFFSET_ino
		2476	stx_size = STATX_OFFSET_size
		2477	stx_blocks = STATX_OFFSET_blocks
		2478	stx_attributes_mask = STATX_OFFSET_attributes_mask
		2479	CODE:
		2480	#if HAVE_STATX
		2481	RETVAL = (__u64 )((char *)&stx + ix);
		2482	#else
		2483	XSRETURN_UNDEF;
		2484	#endif
		2485	OUTPUT:
		2486	RETVAL
		2487
		2488	NV
		2489	stx_atime ()
		2490	PROTOTYPE:
		2491	ALIAS:
		2492	stx_atime = STATX_OFFSET_atime
		2493	stx_btime = STATX_OFFSET_btime
		2494	stx_ctime = STATX_OFFSET_ctime
		2495	stx_mtime = STATX_OFFSET_mtime
		2496	CODE:
		2497	#if HAVE_STATX
		2498	struct statx_timestamp ts = (struct statx_timestamp )((char *)&stx + ix);
		2499	RETVAL = ts->tv_sec + ts->tv_nsec * 1e-9;
		2500	#else
		2501	XSRETURN_UNDEF;
		2502	#endif
		2503	OUTPUT:
		2504	RETVAL
		2505
		2506	VAL64
		2507	stx_atimesec ()
		2508	PROTOTYPE:
		2509	ALIAS:
		2510	stx_atimesec = STATX_OFFSET_atime
		2511	stx_btimesec = STATX_OFFSET_btime
		2512	stx_ctimesec = STATX_OFFSET_ctime
		2513	stx_mtimesec = STATX_OFFSET_mtime
		2514	CODE:
		2515	#if HAVE_STATX
		2516	struct statx_timestamp ts = (struct statx_timestamp )((char *)&stx + ix);
		2517	RETVAL = ts->tv_sec;
		2518	#else
		2519	XSRETURN_UNDEF;
		2520	#endif
		2521	OUTPUT:
		2522	RETVAL
		2523
		2524	U32
		2525	stx_atimensec ()
		2526	PROTOTYPE:
		2527	ALIAS:
		2528	stx_atimensec = STATX_OFFSET_atime
		2529	stx_btimensec = STATX_OFFSET_btime
		2530	stx_ctimensec = STATX_OFFSET_ctime
		2531	stx_mtimensec = STATX_OFFSET_mtime
		2532	CODE:
		2533	#if HAVE_STATX
		2534	struct statx_timestamp ts = (struct statx_timestamp )((char *)&stx + ix);
		2535	RETVAL = ts->tv_nsec;
		2536	#else
		2537	RETVAL = 0;
		2538	#endif
		2539	OUTPUT:
		2540	RETVAL
		2541
		2542	void
		2543	accept4 (aio_rfd rfh, SV *sockaddr, int salen, int flags)
		2544	PPCODE:
		2545	{
		2546	SV *retval;
		2547	#if HAVE_ACCEPT4
		2548	socklen_t salen_ = salen ? salen + 1 : 0;
		2549
		2550	if (salen)
		2551	{
		2552	sv_upgrade (sockaddr, SVt_PV);
		2553	sv_grow (sockaddr, salen_);
		2554	}
		2555
		2556	int res = accept4 (rfh, salen ? (struct sockaddr *)SvPVX (sockaddr) : 0, salen ? &salen_ : 0, flags);
		2557
		2558	retval = newmortalFH (res, O_RDWR);
		2559
		2560	if (res >= 0 && salen > 0)
		2561	{
		2562	if (salen_ > salen + 1)
		2563	salen_ = salen + 1;
		2564
		2565	SvPOK_only (sockaddr);
		2566	SvCUR_set (sockaddr, salen_);
		2567	}
		2568	#else
		2569	errno = ENOSYS;
		2570	retval = &PL_sv_undef;
		2571	#endif
		2572	XPUSHs (retval);
		2573	}
		2574
		2575	ssize_t
2100	splice (aio_rfd rfh, SV off_in, aio_wfd wfh, SV off_out, size_t length, unsigned int flags)	2576	splice (aio_rfd rfh, SV off_in, aio_wfd wfh, SV off_out, size_t length, unsigned int flags)
2101	CODE:	2577	CODE:
2102	{	2578	{
2103	#if HAVE_LINUX_SPLICE	2579	#if HAVE_LINUX_SPLICE
2104	loff_t off_in_, off_out_;	2580	loff_t off_in_, off_out_;
…		…
2112	#endif	2588	#endif
2113	}	2589	}
2114	OUTPUT:	2590	OUTPUT:
2115	RETVAL	2591	RETVAL
2116		2592
2117	int	2593	ssize_t
2118	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)	2594	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2119	CODE:	2595	CODE:
2120	#if HAVE_LINUX_SPLICE	2596	#if HAVE_LINUX_SPLICE
2121	RETVAL = tee (rfh, wfh, length, flags);	2597	RETVAL = tee (rfh, wfh, length, flags);
2122	#else	2598	#else
…		…
2165	PUSHs (newmortalFH (fd[1], O_WRONLY));	2641	PUSHs (newmortalFH (fd[1], O_WRONLY));
2166	}	2642	}
2167	}	2643	}
2168		2644
2169	void	2645	void
		2646	pidfd_open (int pid, unsigned int flags = 0)
		2647	PPCODE:
		2648	{
		2649	/GENDEF0_SYSCALL(pidfd_open,434)/
		2650	int fd = syscall (SYS_pidfd_open, pid, flags);
		2651	XPUSHs (newmortalFH (fd, O_RDWR));
		2652	}
		2653
		2654	int
		2655	pidfd_send_signal (SV pidfh, int sig, SV siginfo = &PL_sv_undef, unsigned int flags = 0)
		2656	PPCODE:
		2657	{
		2658	int res;
		2659	siginfo_t si = { 0 };
		2660
		2661	if (SvOK (siginfo))
		2662	{
		2663	HV *hv;
		2664	SV **svp;
		2665
		2666	if (!SvROK (siginfo) \|\| SvTYPE (SvRV (siginfo)) != SVt_PVHV)
		2667	croak ("siginfo argument must be a hashref code, pid, uid and value_int or value_ptr members, caught");
		2668
		2669	hv = (HV *)SvRV (siginfo);
		2670
		2671	if ((svp = hv_fetchs (hv, "code" , 0))) si.si_code = SvIV (*svp);
		2672	if ((svp = hv_fetchs (hv, "pid" , 0))) si.si_pid = SvIV (*svp);
		2673	if ((svp = hv_fetchs (hv, "uid" , 0))) si.si_uid = SvIV (*svp);
		2674	if ((svp = hv_fetchs (hv, "value_int", 0))) si.si_value.sival_int = SvIV (*svp);
		2675	if ((svp = hv_fetchs (hv, "value_ptr", 0))) si.si_value.sival_ptr = (void )SvIV (svp);
		2676	}
		2677
		2678	/GENDEF0_SYSCALL(pidfd_send_signal,424)/
		2679	res = syscall (SYS_pidfd_send_signal, s_fileno_croak (pidfh, 0), sig, SvOK (siginfo) ? &si : 0, flags);
		2680
		2681	XPUSHs (sv_2mortal (newSViv (res)));
		2682	}
		2683
		2684	void
		2685	pidfd_getfd (SV *pidfh, int targetfd, unsigned int flags = 0)
		2686	PPCODE:
		2687	{
		2688	/GENDEF0_SYSCALL(pidfd_getfd,438)/
		2689	int fd = syscall (SYS_pidfd_getfd, s_fileno_croak (pidfh, 0), targetfd, flags);
		2690	XPUSHs (newmortalFH (fd, O_RDWR));
		2691	}
		2692
		2693	void
2170	eventfd (unsigned int initval = 0, int flags = 0)	2694	eventfd (unsigned int initval = 0, int flags = 0)
2171	PPCODE:	2695	PPCODE:
2172	{	2696	{
2173	int fd;	2697	int fd;
2174	#if HAVE_EVENTFD	2698	#if HAVE_EVENTFD
2175	fd = eventfd (initval, flags);	2699	fd = eventfd (initval, flags);
		2700	#else
		2701	fd = (errno = ENOSYS, -1);
		2702	#endif
		2703
		2704	XPUSHs (newmortalFH (fd, O_RDWR));
		2705	}
		2706
		2707	void
		2708	timerfd_create (int clockid, int flags = 0)
		2709	PPCODE:
		2710	{
		2711	int fd;
		2712	#if HAVE_TIMERFD
		2713	fd = timerfd_create (clockid, flags);
		2714	#else
		2715	fd = (errno = ENOSYS, -1);
		2716	#endif
		2717
		2718	XPUSHs (newmortalFH (fd, O_RDWR));
		2719	}
		2720
		2721	void
		2722	timerfd_settime (SV *fh, int flags, NV interval, NV value)
		2723	PPCODE:
		2724	{
		2725	int fd = s_fileno_croak (fh, 0);
		2726	#if HAVE_TIMERFD
		2727	int res;
		2728	struct itimerspec its, ots;
		2729
		2730	ts_set (&its.it_interval, interval);
		2731	ts_set (&its.it_value , value);
		2732	res = timerfd_settime (fd, flags, &its, &ots);
		2733
		2734	if (!res)
		2735	{
		2736	EXTEND (SP, 2);
		2737	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2738	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2739	}
		2740	#else
		2741	errno = ENOSYS;
		2742	#endif
		2743	}
		2744
		2745	void
		2746	timerfd_gettime (SV *fh)
		2747	PPCODE:
		2748	{
		2749	int fd = s_fileno_croak (fh, 0);
		2750	#if HAVE_TIMERFD
		2751	int res;
		2752	struct itimerspec ots;
		2753	res = timerfd_gettime (fd, &ots);
		2754
		2755	if (!res)
		2756	{
		2757	EXTEND (SP, 2);
		2758	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2759	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2760	}
		2761	#else
		2762	errno = ENOSYS;
		2763	#endif
		2764	}
		2765
		2766	void
		2767	memfd_create (SV8 *pathname, int flags = 0)
		2768	PPCODE:
		2769	{
		2770	int fd;
		2771	#if HAVE_MEMFD_CREATE
		2772	fd = memfd_create (SvPVbyte_nolen (pathname), flags);
2176	#else	2773	#else
2177	fd = (errno = ENOSYS, -1);	2774	fd = (errno = ENOSYS, -1);
2178	#endif	2775	#endif
2179		2776
2180	XPUSHs (newmortalFH (fd, O_RDWR));	2777	XPUSHs (newmortalFH (fd, O_RDWR));
…		…
2220	if (0 == setrlimit (RLIMIT_NOFILE, &rl))	2817	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2221	XSRETURN_YES;	2818	XSRETURN_YES;
2222		2819
2223	if (errno == EPERM)	2820	if (errno == EPERM)
2224	{	2821	{
2225	/* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */	2822	/* setrlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2226	/* our limit overflows a system-wide limit */	2823	/* our limit overflows a system-wide limit */
2227	/* try an adaptive algorithm, but do not lower the hardlimit */	2824	/* try an adaptive algorithm, but do not lower the hardlimit */
2228	rl.rlim_max = 0;	2825	rl.rlim_max = 0;
2229	for (bit = 0x40000000U; bit; bit >>= 1)	2826	for (bit = 0x40000000U; bit; bit >>= 1)
2230	{	2827	{
2231	rl.rlim_max \|= bit;	2828	rl.rlim_max \|= bit;
2232	rl.rlim_cur = rl.rlim_max;	2829	rl.rlim_cur = rl.rlim_max;
2233		2830
2234	/* nevr decrease the hard limit */	2831	/* never decrease the hard limit */
2235	if (rl.rlim_max < orig_rlim_max)	2832	if (rl.rlim_max < orig_rlim_max)
2236	break;	2833	break;
2237		2834
2238	if (0 != setrlimit (RLIMIT_NOFILE, &rl))	2835	if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2239	rl.rlim_max &= ~bit; /* too high, remove bit again */	2836	rl.rlim_max &= ~bit; /* too high, remove bit again */

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Comparing IO-AIO/AIO.xs (file contents): Revision 1.253 by root, Tue Feb 20 04:32:59 2018 UTC vs. Revision 1.287 by root, Tue Dec 29 15:28:02 2020 UTC

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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.253 by root, Tue Feb 20 04:32:59 2018 UTC vs.
Revision 1.287 by root, Tue Dec 29 15:28:02 2020 UTC