[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 1.286 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	#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_SYS_UIO_H
		123	# include <sys/uio.h>
		124	#endif
		125
		126	#if HAVE_ST_XTIMENSEC
		127	# define ATIMENSEC PL_statcache.st_atimensec
		128	# define MTIMENSEC PL_statcache.st_mtimensec
		129	# define CTIMENSEC PL_statcache.st_ctimensec
		130	#elif HAVE_ST_XTIMESPEC
		131	# define ATIMENSEC PL_statcache.st_atim.tv_nsec
		132	# define MTIMENSEC PL_statcache.st_mtim.tv_nsec
		133	# define CTIMENSEC PL_statcache.st_ctim.tv_nsec
		134	#else
		135	# define ATIMENSEC 0
		136	# define MTIMENSEC 0
		137	# define CTIMENSEC 0
		138	#endif
		139
		140	#if HAVE_ST_BIRTHTIMENSEC
		141	# define BTIMESEC PL_statcache.st_birthtime
		142	# define BTIMENSEC PL_statcache.st_birthtimensec
		143	#elif HAVE_ST_BIRTHTIMESPEC
		144	# define BTIMESEC PL_statcache.st_birthtim.tv_sec
		145	# define BTIMENSEC PL_statcache.st_birthtim.tv_nsec
		146	#else
		147	# define BTIMESEC 0
		148	# define BTIMENSEC 0
		149	#endif
		150
		151	#if HAVE_ST_GEN
		152	# define ST_GEN PL_statcache.st_gen
		153	#else
		154	# define ST_GEN 0
		155	#endif
		156
		157	#include "schmorp.h"
		158
		159	#if HAVE_EVENTFD
		160	# include <sys/eventfd.h>
		161	#endif
		162
		163	#if HAVE_TIMERFD
		164	# include <sys/timerfd.h>
		165	#endif
110		166
111	#if HAVE_RLIMITS	167	#if HAVE_RLIMITS
112	#include <sys/time.h>	168	#include <sys/time.h>
113	#include <sys/resource.h>	169	#include <sys/resource.h>
114	#endif	170	#endif
…		…
151	# else	207	# else
152	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	208	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
153	# endif	209	# endif
154	#endif	210	#endif
155		211
		212	#ifndef makedev
		213	# define makedev(maj,min) (((maj) << 8) \| (min))
		214	#endif
		215	#ifndef major
		216	# define major(dev) ((dev) >> 8)
		217	#endif
		218	#ifndef minor
		219	# define minor(dev) ((dev) & 0xff)
		220	#endif
		221
		222	/* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */
		223	#ifdef __sun
		224	# undef PAGESIZE
		225	#endif
		226
		227	#if PAGESIZE <= 0
		228	# define PAGESIZE sysconf (_SC_PAGESIZE)
		229	#endif
		230
		231	#if HAVE_SYSCALL
		232	#include <sys/syscall.h>
		233	#else
		234	# define syscall(nr,...) (errno = ENOSYS, -1)
		235	#endif
		236
		237	/*****************************************************************************/
		238
		239	#if !_POSIX_MAPPED_FILES
		240	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
		241	# define munmap(addr,length) EIO_ENOSYS ()
		242	#endif
		243
		244	#if !_POSIX_MEMORY_PROTECTION
		245	# define mprotect(addr,len,prot) EIO_ENOSYS ()
		246	#endif
		247
		248	#if !MREMAP_MAYMOVE
		249	# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
		250	#endif
		251
		252	#define FOREIGN_MAGIC PERL_MAGIC_ext
		253
		254	static int ecb_cold
		255	mmap_free (pTHX_ SV sv, MAGIC mg)
		256	{
		257	int old_errno = errno;
		258	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		259	errno = old_errno;
		260
		261	mg->mg_obj = 0; /* just in case */
		262
		263	SvREADONLY_off (sv);
		264
		265	if (SvPVX (sv) != mg->mg_ptr)
		266	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		267
		268	SvCUR_set (sv, 0);
		269	SvPVX (sv) = 0;
		270	SvOK_off (sv);
		271
		272	return 0;
		273	}
		274
		275	static MGVTBL mmap_vtbl = {
		276	0, 0, 0, 0, mmap_free
		277	};
		278
		279	static int ecb_cold
		280	sysfree_free (pTHX_ SV sv, MAGIC mg)
		281	{
		282	free (mg->mg_ptr);
		283	mg->mg_obj = 0; /* just in case */
		284
		285	SvREADONLY_off (sv);
		286
		287	if (SvPVX (sv) != mg->mg_ptr)
		288	croak ("ERROR: IO::AIO mapped scalar changed location, detected");
		289
		290	SvCUR_set (sv, 0);
		291	SvPVX (sv) = 0;
		292	SvOK_off (sv);
		293
		294	return 0;
		295	}
		296
		297	static MGVTBL sysfree_vtbl = {
		298	0, 0, 0, 0, sysfree_free
		299	};
		300
		301	/*****************************************************************************/
		302
		303	/* helper: set scalar to foreign ptr with custom free */
		304	ecb_noinline
		305	static void
		306	sv_set_foreign (SV sv, const MGVTBL const vtbl, void *addr, IV length)
		307	{
		308	sv_force_normal (sv);
		309
		310	/* we store the length in mg_obj, as namlen is I32 :/ */
		311	sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
		312	->mg_obj = (SV *)length;
		313
		314	SvUPGRADE (sv, SVt_PV); /* nop... */
		315
		316	if (SvLEN (sv))
		317	Safefree (SvPVX (sv));
		318
		319	SvPVX (sv) = (char *)addr;
		320	SvCUR_set (sv, length);
		321	SvLEN_set (sv, 0);
		322	SvPOK_only (sv);
		323	}
		324
		325	static void
		326	sv_clear_foreign (SV *sv)
		327	{
		328	/* todo: iterate over magic and only free ours, but of course */
		329	/* the perl5porters will call that (correct) behaviour buggy */
		330	sv_unmagic (sv, FOREIGN_MAGIC);
		331	}
		332
		333	/*****************************************************************************/
		334
156	/* defines all sorts of constants to 0 unless they are already defined */	335	/* defines all sorts of constants to 0 unless they are already defined */
157	/* also provides const_iv_ and const_niv_ macros for them */	336	/* also provides const_iv_ and const_niv_ macros for them */
158	#include "def0.h"	337	#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		338
174	/*****************************************************************************/	339	/*****************************************************************************/
175		340
176	static void	341	static void
177	fiemap (eio_req *req)	342	fiemap (eio_req *req)
…		…
185	int count = req->int3;	350	int count = req->int3;
186		351
187	req->flags \|= EIO_FLAG_PTR1_FREE;	352	req->flags \|= EIO_FLAG_PTR1_FREE;
188		353
189	/* 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, */
190	/* increase in 3.5kb steps */	355	/* increase in fixed steps */
191	if (count < 0)	356	if (count < 0)
192	count = 8;	357	count = 8;
193		358
194	fiemap = malloc (sizeof (fiemap) + sizeof (struct fiemap_extent) count);	359	fiemap = malloc (sizeof (fiemap) + sizeof (struct fiemap_extent) count);
195	errno = ENOMEM;	360	errno = ENOMEM;
…		…
248		413
249	for (count = 0; count < incmap->fm_mapped_extents; ++count)	414	for (count = 0; count < incmap->fm_mapped_extents; ++count)
250	{	415	{
251	struct fiemap_extent *e = incmap->fm_extents + count;	416	struct fiemap_extent *e = incmap->fm_extents + count;
252		417
		418	fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
		419
253	if (e->fe_logical + e->fe_length >= end_offset)	420	if (e->fe_logical >= end_offset)
254	goto done;	421	goto done;
255
256	fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
257		422
258	if (e->fe_flags & FIEMAP_EXTENT_LAST)	423	if (e->fe_flags & FIEMAP_EXTENT_LAST)
259	goto done;	424	goto done;
260		425
261	}	426	}
…		…
268	errno = ENOSYS;	433	errno = ENOSYS;
269	#endif	434	#endif
270	}	435	}
271		436
272	/*****************************************************************************/	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
273		449
274	enum {	450	enum {
275	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	451	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
276	};	452	};
277		453
…		…
301	/* read any signals sent by the worker threads */	477	/* read any signals sent by the worker threads */
302	s_epipe_drain (&respipe);	478	s_epipe_drain (&respipe);
303	}	479	}
304		480
305	/* must be called at most once */	481	/* must be called at most once */
		482	ecb_noinline
306	static SV *	483	static SV *
307	req_sv (aio_req req, HV *stash)	484	req_sv (aio_req req, HV *stash)
308	{	485	{
309	if (!req->self)	486	if (!req->self)
310	{	487	{
…		…
319	newSVaio_wd (aio_wd wd)	496	newSVaio_wd (aio_wd wd)
320	{	497	{
321	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);
322	}	499	}
323		500
		501	ecb_noinline
324	static aio_req	502	static aio_req
325	SvAIO_REQ (SV *sv)	503	SvAIO_REQ (SV *sv)
326	{	504	{
327	MAGIC *mg;	505	MAGIC *mg;
328		506
…		…
391	FREETMPS;	569	FREETMPS;
392	LEAVE;	570	LEAVE;
393	}	571	}
394	}	572	}
395		573
		574	ecb_noinline
396	static void	575	static void
397	req_submit (eio_req *req)	576	req_submit (eio_req *req)
398	{	577	{
399	eio_submit (req);	578	eio_submit (req);
400		579
…		…
597	SvSETMAGIC (req->sv2);	776	SvSETMAGIC (req->sv2);
598	PUSHs (sv_result);	777	PUSHs (sv_result);
599	}	778	}
600	break;	779	break;
601		780
		781	case EIO_SLURP:
		782	{
		783	if (req->result >= 0)
		784	{
		785	/* if length was originally not known, we steal the malloc'ed memory */
		786	if (req->flags & EIO_FLAG_PTR2_FREE)
		787	{
		788	req->flags &= ~EIO_FLAG_PTR2_FREE;
		789	sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
		790	}
		791	else
		792	{
		793	SvCUR_set (req->sv2, req->result);
		794	*SvEND (req->sv2) = 0;
		795	SvPOK_only (req->sv2);
		796	}
		797
		798	SvSETMAGIC (req->sv2);
		799	}
		800
		801	PUSHs (sv_result);
		802	}
		803	break;
		804
602	case EIO_CUSTOM:	805	case EIO_CUSTOM:
603	if (req->feed == fiemap)	806	if (req->feed == fiemap)
604	{	807	{
605	#if HAVE_FIEMAP	808	#if HAVE_FIEMAP
606	if (!req->result)	809	if (!req->result)
…		…
637	}	840	}
638	else	841	else
639	PUSHs (sv_result);	842	PUSHs (sv_result);
640	break;	843	break;
641		844
		845	#if 0
		846	case EIO_CLOSE:
		847	PerlIOUnix_refcnt_dec (req->int1);
		848	break;
		849	#endif
		850
642	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 */
643	if (req->result > 0)	852	if (req->result > 0)
644	SvIV_set (sv_result, 0);	853	SvIV_set (sv_result, 0);
645	/* FALLTHROUGH */	854	/* FALLTHROUGH */
646		855
…		…
697	grp->sv2 = 0;	906	grp->sv2 = 0;
698		907
699	eio_grp_cancel (grp);	908	eio_grp_cancel (grp);
700	}	909	}
701		910
702	static void ecb_cold	911	ecb_cold
		912	static void
703	create_respipe (void)	913	create_respipe (void)
704	{	914	{
705	if (s_epipe_renew (&respipe))	915	if (s_epipe_renew (&respipe))
706	croak ("IO::AIO: unable to initialize result pipe");	916	croak ("IO::AIO: unable to initialize result pipe");
707	}	917	}
…		…
741		951
742	poll_wait ();	952	poll_wait ();
743	}	953	}
744	}	954	}
745		955
746	static void ecb_cold	956	ecb_cold
		957	static void
747	reinit (void)	958	reinit (void)
748	{	959	{
749	create_respipe ();	960	create_respipe ();
750		961
751	if (eio_init (want_poll, done_poll) < 0)	962	if (eio_init (want_poll, done_poll) < 0)
752	croak ("IO::AIO: unable to initialise eio library");	963	croak ("IO::AIO: unable to initialise eio library");
753	}	964	}
754		965
755	/*****************************************************************************/	966	/*****************************************************************************/
756		967
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
793	/*****************************************************************************/
794
795	static SV *	968	static SV *
796	get_cb (SV *cb_sv)	969	get_cb (SV *cb_sv)
797	{	970	{
798	SvGETMAGIC (cb_sv);	971	SvGETMAGIC (cb_sv);
799	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	972	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
800	}	973	}
801		974
		975	ecb_noinline
802	static aio_req ecb_noinline	976	static aio_req ecb_noinline
803	dreq (SV *callback)	977	dreq (SV *callback)
804	{	978	{
805	SV *cb_cv;	979	SV *cb_cv;
806	aio_req req;	980	aio_req req;
…		…
828	SPAGAIN; \	1002	SPAGAIN; \
829	\	1003	\
830	if (GIMME_V != G_VOID) \	1004	if (GIMME_V != G_VOID) \
831	XPUSHs (req_sv (req, aio_req_stash));	1005	XPUSHs (req_sv (req, aio_req_stash));
832		1006
		1007	/* wdsv, pathsv, wd and ptr must be 0-initialized */
833	ecb_inline void	1008	ecb_inline
		1009	void
834	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)
835	{	1011	{
836	if (expect_false (SvROK (path)))	1012	if (expect_false (SvROK (path)))
837	{	1013	{
838	SV *rv = SvRV (path);	1014	SV *rv = SvRV (path);
839	SV *wdob;	1015	SV *wdob;
…		…
864		1040
865	*pathsv = newSVsv (path);	1041	*pathsv = newSVsv (path);
866	ptr = SvPVbyte_nolen (pathsv);	1042	ptr = SvPVbyte_nolen (pathsv);
867	}	1043	}
868		1044
869	static void ecb_noinline	1045	ecb_noinline
		1046	static void
870	req_set_path1 (aio_req req, SV *path)	1047	req_set_path1 (aio_req req, SV *path)
871	{	1048	{
872	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);
873	}	1050	}
874		1051
875	static void ecb_noinline	1052	ecb_noinline
		1053	static void
876	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)
877	{	1055	{
878	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;
879		1057
880	switch (SvTYPE (rv))	1058	switch (SvTYPE (rv))
…		…
892	req_set_path1 (req, fh_or_path);	1070	req_set_path1 (req, fh_or_path);
893	break;	1071	break;
894	}	1072	}
895	}	1073	}
896		1074
		1075	/*****************************************************************************/
		1076
		1077	static void
		1078	ts_set (struct timespec *ts, NV value)
		1079	{
		1080	ts->tv_sec = value;
		1081	ts->tv_nsec = (value - ts->tv_sec) * 1e9;
		1082	}
		1083
		1084	static NV
		1085	ts_get (const struct timespec *ts)
		1086	{
		1087	return ts->tv_sec + ts->tv_nsec * 1e-9;
		1088	}
		1089
		1090	/*****************************************************************************/
		1091
897	XS(boot_IO__AIO) ecb_cold;	1092	XS(boot_IO__AIO) ecb_cold;
898		1093
899	MODULE = IO::AIO PACKAGE = IO::AIO	1094	MODULE = IO::AIO PACKAGE = IO::AIO
900		1095
901	PROTOTYPES: ENABLE	1096	PROTOTYPES: ENABLE
…		…
932	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)	1127	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
933	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)	1128	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
934	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)	1129	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
935		1130
936	/* the second block will be 0 when missing */	1131	/* the second block will be 0 when missing */
		1132	const_iv (O_ACCMODE)
		1133
937	const_iv (O_RDONLY)	1134	const_iv (O_RDONLY)
938	const_iv (O_WRONLY)	1135	const_iv (O_WRONLY)
939	const_iv (O_RDWR)	1136	const_iv (O_RDWR)
940	const_iv (O_CREAT)	1137	const_iv (O_CREAT)
941	const_iv (O_TRUNC)	1138	const_iv (O_TRUNC)
…		…
1001	const_iv (MAP_GROWSDOWN)	1198	const_iv (MAP_GROWSDOWN)
1002	const_iv (MAP_32BIT)	1199	const_iv (MAP_32BIT)
1003	const_iv (MAP_HUGETLB)	1200	const_iv (MAP_HUGETLB)
1004	const_iv (MAP_STACK)	1201	const_iv (MAP_STACK)
1005		1202
		1203	const_iv (MREMAP_MAYMOVE)
		1204	const_iv (MREMAP_FIXED)
		1205
		1206	const_iv (MSG_CMSG_CLOEXEC)
		1207	const_iv (SOCK_CLOEXEC)
		1208
1006	const_iv (F_DUPFD_CLOEXEC)	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)
1007		1217
1008	const_iv (F_OFD_GETLK)	1218	const_iv (F_OFD_GETLK)
1009	const_iv (F_OFD_SETLK)	1219	const_iv (F_OFD_SETLK)
1010	const_iv (F_OFD_GETLKW)	1220	const_iv (F_OFD_GETLKW)
1011		1221
…		…
1084	const_iv (SPLICE_F_MOVE)	1294	const_iv (SPLICE_F_MOVE)
1085	const_iv (SPLICE_F_NONBLOCK)	1295	const_iv (SPLICE_F_NONBLOCK)
1086	const_iv (SPLICE_F_MORE)	1296	const_iv (SPLICE_F_MORE)
1087	const_iv (SPLICE_F_GIFT)	1297	const_iv (SPLICE_F_GIFT)
1088		1298
		1299	const_iv (EFD_CLOEXEC)
		1300	const_iv (EFD_NONBLOCK)
		1301	const_iv (EFD_SEMAPHORE)
		1302
		1303	const_iv (MFD_CLOEXEC)
		1304	const_iv (MFD_ALLOW_SEALING)
		1305	const_iv (MFD_HUGETLB)
		1306
		1307	const_iv (CLOCK_REALTIME)
		1308	const_iv (CLOCK_MONOTONIC)
		1309	const_iv (CLOCK_BOOTTIME)
		1310	const_iv (CLOCK_REALTIME_ALARM)
		1311	const_iv (CLOCK_BOOTTIME_ALARM)
		1312
		1313	const_iv (TFD_NONBLOCK)
		1314	const_iv (TFD_CLOEXEC)
		1315
		1316	const_iv (TFD_TIMER_ABSTIME)
		1317	const_iv (TFD_TIMER_CANCEL_ON_SET)
		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
1089	/* these are libeio constants, and are independent of gendef0 */	1369	/* these are libeio constants, and are independent of gendef0 */
1090	const_eio (SEEK_SET)	1370	const_eio (SEEK_SET)
1091	const_eio (SEEK_CUR)	1371	const_eio (SEEK_CUR)
1092	const_eio (SEEK_END)	1372	const_eio (SEEK_END)
1093		1373
1094	const_eio (MCL_FUTURE)	1374	const_eio (MCL_FUTURE)
1095	const_eio (MCL_CURRENT)	1375	const_eio (MCL_CURRENT)
		1376	const_eio (MCL_ONFAULT)
1096		1377
1097	const_eio (MS_ASYNC)	1378	const_eio (MS_ASYNC)
1098	const_eio (MS_INVALIDATE)	1379	const_eio (MS_INVALIDATE)
1099	const_eio (MS_SYNC)	1380	const_eio (MS_SYNC)
1100		1381
…		…
1139	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--)
1140	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));	1421	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
1141		1422
1142	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1423	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
1143		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
1144	reinit ();	1443	reinit ();
1145	}	1444	}
1146		1445
1147	void	1446	void
1148	reinit ()	1447	reinit ()
…		…
1270		1569
1271	void	1570	void
1272	aio_close (SV fh, SV callback = &PL_sv_undef)	1571	aio_close (SV fh, SV callback = &PL_sv_undef)
1273	PPCODE:	1572	PPCODE:
1274	{	1573	{
1275	static int close_fd = -1; /* dummy fd to close fds via dup2 */
1276	int fd = s_fileno_croak (fh, 0);	1574	int fd = s_fileno_croak (fh, 0);
1277	dREQ;	1575	dREQ;
		1576	#if 0
		1577	/* partially duplicate logic in s_fileno */
		1578	SvGETMAGIC (fh);
1278		1579
1279	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)
1280	{	1587	{
1281	int pipefd [2];	1588	/* perl filehandle */
		1589	PerlIOUnix_refcnt_inc (fd);
		1590	do_close ((GV *)fh, 1);
1282		1591
1283	if (	1592	req->type = EIO_CLOSE;
1284	#ifdef _WIN32	1593	req->int1 = fd;
1285	_pipe (pipefd, 1, _O_BINARY) < 0	1594	/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	}	1595	}
1296		1596	else
		1597	#endif
		1598	{
		1599	/* fd number */
1297	req->type = EIO_DUP2;	1600	req->type = EIO_DUP2;
1298	req->int1 = close_fd;	1601	req->int1 = close_fd;
1299	req->sv2 = newSVsv (fh);	1602	req->sv2 = newSVsv (fh);
1300	req->int2 = fd;	1603	req->int2 = fd;
		1604	}
1301		1605
1302	REQ_SEND;	1606	REQ_SEND;
1303	}	1607	}
1304		1608
1305	void	1609	void
…		…
1476	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);	1780	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1477		1781
1478	REQ_SEND;	1782	REQ_SEND;
1479	}	1783	}
1480		1784
		1785	void
		1786	st_xtime ()
		1787	ALIAS:
		1788	st_atime = 0x01
		1789	st_mtime = 0x02
		1790	st_ctime = 0x04
		1791	st_btime = 0x08
		1792	st_xtime = 0x0f
		1793	PPCODE:
		1794	EXTEND (SP, 4);
		1795	if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
		1796	if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
		1797	if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
		1798	if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
		1799
		1800	void
		1801	st_xtimensec ()
		1802	ALIAS:
		1803	st_atimensec = 0x01
		1804	st_mtimensec = 0x02
		1805	st_ctimensec = 0x04
		1806	st_btimensec = 0x08
		1807	st_xtimensec = 0x0f
		1808	st_btimesec = 0x10
		1809	st_gen = 0x20
		1810	PPCODE:
		1811	EXTEND (SP, 4);
		1812	if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
		1813	if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
		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));
		1818
1481	UV	1819	UV
1482	major (UV dev)	1820	major (UV dev)
1483	ALIAS:	1821	ALIAS:
1484	minor = 1	1822	minor = 1
1485	CODE:	1823	CODE:
…		…
1601	eio_wd wd2 = 0;	1939	eio_wd wd2 = 0;
1602	dREQ;	1940	dREQ;
1603		1941
1604	req->type = ix;	1942	req->type = ix;
1605	req_set_path1 (req, oldpath);	1943	req_set_path1 (req, oldpath);
1606	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);	1944	req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1607	req->int3 = (long)wd2;	1945	req->int3 = (long)wd2;
1608		1946
1609	REQ_SEND;	1947	REQ_SEND;
1610	}	1948	}
1611		1949
…		…
1616	eio_wd wd2 = 0;	1954	eio_wd wd2 = 0;
1617	dREQ;	1955	dREQ;
1618		1956
1619	req->type = EIO_RENAME;	1957	req->type = EIO_RENAME;
1620	req_set_path1 (req, oldpath);	1958	req_set_path1 (req, oldpath);
1621	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);	1959	req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1622	req->int2 = flags;	1960	req->int2 = flags;
1623	req->int3 = (long)wd2;	1961	req->int3 = (long)wd2;
1624		1962
1625	REQ_SEND;	1963	REQ_SEND;
1626	}	1964	}
…		…
1735	req->int2 = flags;	2073	req->int2 = flags;
1736	req->int3 = SvOK (count) ? SvIV (count) : -1;	2074	req->int3 = SvOK (count) ? SvIV (count) : -1;
1737	#endif	2075	#endif
1738		2076
1739	REQ_SEND;	2077	REQ_SEND;
		2078	}
		2079
		2080	void
		2081	aio_slurp (SV pathname, off_t offset, UV length, SV8 data, SV *callback = &PL_sv_undef)
		2082	PPCODE:
		2083	{
		2084	char *svptr = 0;
		2085
		2086	sv_clear_foreign (data);
		2087
		2088	if (length) /* known length, directly read into scalar */
		2089	{
		2090	if (!SvPOK (data) \|\| SvLEN (data) >= SvCUR (data))
		2091	svptr = sv_grow (data, length + 1);
		2092	else if (SvCUR (data) < length)
		2093	croak ("length outside of scalar, and cannot grow");
		2094	else
		2095	svptr = SvPVbyte_nolen (data);
		2096	}
		2097
		2098	{
		2099	dREQ;
		2100
		2101	req->type = EIO_SLURP;
		2102	req_set_path1 (req, pathname);
		2103	req->offs = offset;
		2104	req->size = length;
		2105	req->sv2 = SvREFCNT_inc (data);
		2106	req->ptr2 = svptr;
		2107
		2108	if (!SvREADONLY (data))
		2109	{
		2110	SvREADONLY_on (data);
		2111	req->flags \|= FLAG_SV2_RO_OFF;
		2112	}
		2113
		2114	REQ_SEND;
		2115	}
1740	}	2116	}
1741		2117
1742	void	2118	void
1743	aio_busy (double delay, SV *callback = &PL_sv_undef)	2119	aio_busy (double delay, SV *callback = &PL_sv_undef)
1744	PPCODE:	2120	PPCODE:
…		…
1881	RETVAL	2257	RETVAL
1882		2258
1883	void	2259	void
1884	mmap (SV scalar, STRLEN length, int prot, int flags, SV fh = &PL_sv_undef, off_t offset = 0)	2260	mmap (SV scalar, STRLEN length, int prot, int flags, SV fh = &PL_sv_undef, off_t offset = 0)
1885	PPCODE:	2261	PPCODE:
1886	sv_unmagic (scalar, MMAP_MAGIC);	2262	sv_clear_foreign (scalar);
1887	{	2263	{
1888	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	2264	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1889	void addr = (void )mmap (0, length, prot, flags, fd, offset);	2265	void addr = (void )mmap (0, length, prot, flags, fd, offset);
1890	if (addr == (void *)-1)	2266	if (addr == (void *)-1)
1891	XSRETURN_NO;	2267	XSRETURN_NO;
1892		2268
1893	sv_force_normal (scalar);	2269	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		2270
1901	if (!(prot & PROT_WRITE))	2271	if (!(prot & PROT_WRITE))
1902	SvREADONLY_on (scalar);	2272	SvREADONLY_on (scalar);
1903		2273
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;	2274	XSRETURN_YES;
1913	}	2275	}
1914		2276
1915	void	2277	void
1916	munmap (SV *scalar)	2278	munmap (SV *scalar)
1917	CODE:	2279	CODE:
1918	sv_unmagic (scalar, MMAP_MAGIC);	2280	sv_clear_foreign (scalar);
		2281
		2282	SV *
		2283	mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
		2284	CODE:
		2285	{
		2286	MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
		2287	void *new;
		2288
		2289	if (!mg \|\| SvPVX (scalar) != mg->mg_ptr)
		2290	croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
		2291
		2292	new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
		2293
		2294	RETVAL = &PL_sv_no;
		2295
		2296	if (new != (void *)-1)
		2297	{
		2298	RETVAL = new == (void *)mg->mg_ptr
		2299	? newSVpvn ("0 but true", 10)
		2300	: &PL_sv_yes;
		2301
		2302	mg->mg_ptr = (char *)new;
		2303	mg->mg_obj = (SV *)new_length;
		2304
		2305	SvPVX (scalar) = mg->mg_ptr;
		2306	SvCUR_set (scalar, new_length);
		2307	}
		2308	}
		2309	OUTPUT:
		2310	RETVAL
1919		2311
1920	int	2312	int
1921	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)
1922	ALIAS:	2314	ALIAS:
1923	mprotect = 1	2315	mprotect = 1
1924	CODE:	2316	CODE:
1925	{	2317	{
1926	STRLEN svlen;	2318	STRLEN svlen;
…		…
1947	}	2339	}
1948	OUTPUT:	2340	OUTPUT:
1949	RETVAL	2341	RETVAL
1950		2342
1951	int	2343	int
1952	munlock (SV scalar, STRLEN offset = 0, SV length = &PL_sv_undef)	2344	munlock (SV scalar, IV offset = 0, SV length = &PL_sv_undef)
1953	CODE:	2345	CODE:
1954	{	2346	{
1955	STRLEN svlen;	2347	STRLEN svlen;
1956	void *addr = SvPVbyte (scalar, svlen);	2348	void *addr = SvPVbyte (scalar, svlen);
1957	size_t len = SvUV (length);	2349	size_t len = SvUV (length);
…		…
1972	#else	2364	#else
1973	RETVAL = EIO_ENOSYS ();	2365	RETVAL = EIO_ENOSYS ();
1974	#endif	2366	#endif
1975	}	2367	}
1976	OUTPUT:	2368	OUTPUT:
		2369	RETVAL
		2370
		2371	int
		2372	mlockall (int flags)
		2373	PROTOTYPE: $;
		2374	CODE:
		2375	RETVAL = eio_mlockall_sync (flags);
		2376	OUTPUT:
1977	RETVAL	2377	RETVAL
1978		2378
1979	int	2379	int
1980	munlockall ()	2380	munlockall ()
1981	CODE:	2381	CODE:
…		…
1986	#endif	2386	#endif
1987	OUTPUT:	2387	OUTPUT:
1988	RETVAL	2388	RETVAL
1989		2389
1990	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
1991	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)
1992	CODE:	2570	CODE:
1993	{	2571	{
1994	#if HAVE_LINUX_SPLICE	2572	#if HAVE_LINUX_SPLICE
1995	loff_t off_in_, off_out_;	2573	loff_t off_in_, off_out_;
…		…
2003	#endif	2581	#endif
2004	}	2582	}
2005	OUTPUT:	2583	OUTPUT:
2006	RETVAL	2584	RETVAL
2007		2585
2008	int	2586	ssize_t
2009	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)
2010	CODE:	2588	CODE:
2011	#if HAVE_LINUX_SPLICE	2589	#if HAVE_LINUX_SPLICE
2012	RETVAL = tee (rfh, wfh, length, flags);	2590	RETVAL = tee (rfh, wfh, length, flags);
2013	#else	2591	#else
…		…
2055	PUSHs (newmortalFH (fd[0], O_RDONLY));	2633	PUSHs (newmortalFH (fd[0], O_RDONLY));
2056	PUSHs (newmortalFH (fd[1], O_WRONLY));	2634	PUSHs (newmortalFH (fd[1], O_WRONLY));
2057	}	2635	}
2058	}	2636	}
2059		2637
		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
		2687	eventfd (unsigned int initval = 0, int flags = 0)
		2688	PPCODE:
		2689	{
		2690	int fd;
		2691	#if HAVE_EVENTFD
		2692	fd = eventfd (initval, flags);
		2693	#else
		2694	fd = (errno = ENOSYS, -1);
		2695	#endif
		2696
		2697	XPUSHs (newmortalFH (fd, O_RDWR));
		2698	}
		2699
		2700	void
		2701	timerfd_create (int clockid, int flags = 0)
		2702	PPCODE:
		2703	{
		2704	int fd;
		2705	#if HAVE_TIMERFD
		2706	fd = timerfd_create (clockid, flags);
		2707	#else
		2708	fd = (errno = ENOSYS, -1);
		2709	#endif
		2710
		2711	XPUSHs (newmortalFH (fd, O_RDWR));
		2712	}
		2713
		2714	void
		2715	timerfd_settime (SV *fh, int flags, NV interval, NV value)
		2716	PPCODE:
		2717	{
		2718	int fd = s_fileno_croak (fh, 0);
		2719	#if HAVE_TIMERFD
		2720	int res;
		2721	struct itimerspec its, ots;
		2722
		2723	ts_set (&its.it_interval, interval);
		2724	ts_set (&its.it_value , value);
		2725	res = timerfd_settime (fd, flags, &its, &ots);
		2726
		2727	if (!res)
		2728	{
		2729	EXTEND (SP, 2);
		2730	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2731	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2732	}
		2733	#else
		2734	errno = ENOSYS;
		2735	#endif
		2736	}
		2737
		2738	void
		2739	timerfd_gettime (SV *fh)
		2740	PPCODE:
		2741	{
		2742	int fd = s_fileno_croak (fh, 0);
		2743	#if HAVE_TIMERFD
		2744	int res;
		2745	struct itimerspec ots;
		2746	res = timerfd_gettime (fd, &ots);
		2747
		2748	if (!res)
		2749	{
		2750	EXTEND (SP, 2);
		2751	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2752	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2753	}
		2754	#else
		2755	errno = ENOSYS;
		2756	#endif
		2757	}
		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
2060	UV	2773	UV
2061	get_fdlimit ()	2774	get_fdlimit ()
2062	CODE:	2775	CODE:
2063	#if HAVE_RLIMITS	2776	#if HAVE_RLIMITS
2064	struct rlimit rl;	2777	struct rlimit rl;
…		…
2097	if (0 == setrlimit (RLIMIT_NOFILE, &rl))	2810	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2098	XSRETURN_YES;	2811	XSRETURN_YES;
2099		2812
2100	if (errno == EPERM)	2813	if (errno == EPERM)
2101	{	2814	{
2102	/* 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 */
2103	/* our limit overflows a system-wide limit */	2816	/* our limit overflows a system-wide limit */
2104	/* try an adaptive algorithm, but do not lower the hardlimit */	2817	/* try an adaptive algorithm, but do not lower the hardlimit */
2105	rl.rlim_max = 0;	2818	rl.rlim_max = 0;
2106	for (bit = 0x40000000U; bit; bit >>= 1)	2819	for (bit = 0x40000000U; bit; bit >>= 1)
2107	{	2820	{
2108	rl.rlim_max \|= bit;	2821	rl.rlim_max \|= bit;
2109	rl.rlim_cur = rl.rlim_max;	2822	rl.rlim_cur = rl.rlim_max;
2110		2823
2111	/* nevr decrease the hard limit */	2824	/* never decrease the hard limit */
2112	if (rl.rlim_max < orig_rlim_max)	2825	if (rl.rlim_max < orig_rlim_max)
2113	break;	2826	break;
2114		2827
2115	if (0 != setrlimit (RLIMIT_NOFILE, &rl))	2828	if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2116	rl.rlim_max &= ~bit; /* too high, remove bit again */	2829	rl.rlim_max &= ~bit; /* too high, remove bit again */

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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 1.286 by root, Tue Dec 29 15:25:26 2020 UTC

Diff Legend

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.250 by root, Fri Sep 22 05:20:39 2017 UTC vs.
Revision 1.286 by root, Tue Dec 29 15:25:26 2020 UTC