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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.249 by root, Fri Jun 23 23:50:25 2017 UTC vs.
Revision 1.281 by root, Wed Feb 26 15:47:22 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
…		…
103		104
104	#define expect_false(expr) expect ((expr) != 0, 0)	105	#define expect_false(expr) expect ((expr) != 0, 0)
105	#define expect_true(expr) expect ((expr) != 0, 1)	106	#define expect_true(expr) expect ((expr) != 0, 1)
106		107
107	/*****************************************************************************/	108	/*****************************************************************************/
		109
		110	#include "config.h"
		111
		112	#if HAVE_SYS_MKDEV_H
		113	# include <sys/mkdev.h>
		114	#elif HAVE_SYS_SYSMACROS_H
		115	# include <sys/sysmacros.h>
		116	#endif
		117
		118	#if _POSIX_MEMLOCK \|\| _POSIX_MEMLOCK_RANGE \|\| _POSIX_MAPPED_FILES
		119	# include <sys/mman.h>
		120	#endif
		121
		122	#if HAVE_SYS_UIO_H
		123	# include <sys/uio.h>
		124	#endif
		125
		126	#if HAVE_ST_XTIMENSEC
		127	# define ATIMENSEC PL_statcache.st_atimensec
		128	# define MTIMENSEC PL_statcache.st_mtimensec
		129	# define CTIMENSEC PL_statcache.st_ctimensec
		130	#elif HAVE_ST_XTIMESPEC
		131	# define ATIMENSEC PL_statcache.st_atim.tv_nsec
		132	# define MTIMENSEC PL_statcache.st_mtim.tv_nsec
		133	# define CTIMENSEC PL_statcache.st_ctim.tv_nsec
		134	#else
		135	# define ATIMENSEC 0
		136	# define MTIMENSEC 0
		137	# define CTIMENSEC 0
		138	#endif
		139
		140	#if HAVE_ST_BIRTHTIMENSEC
		141	# define BTIMESEC PL_statcache.st_birthtime
		142	# define BTIMENSEC PL_statcache.st_birthtimensec
		143	#elif HAVE_ST_BIRTHTIMESPEC
		144	# define BTIMESEC PL_statcache.st_birthtim.tv_sec
		145	# define BTIMENSEC PL_statcache.st_birthtim.tv_nsec
		146	#else
		147	# define BTIMESEC 0
		148	# define BTIMENSEC 0
		149	#endif
		150
		151	#if HAVE_ST_GEN
		152	# define ST_GEN PL_statcache.st_gen
		153	#else
		154	# define ST_GEN 0
		155	#endif
		156
		157	#include "schmorp.h"
		158
		159	#if HAVE_EVENTFD
		160	# include <sys/eventfd.h>
		161	#endif
		162
		163	#if HAVE_TIMERFD
		164	# include <sys/timerfd.h>
		165	#endif
		166
		167	#if HAVE_RLIMITS
		168	#include <sys/time.h>
		169	#include <sys/resource.h>
		170	#endif
108		171
109	typedef SV SV8; /* byte-sv, used for argument-checking */	172	typedef SV SV8; /* byte-sv, used for argument-checking */
110	typedef int aio_rfd; /* read file desriptor */	173	typedef int aio_rfd; /* read file desriptor */
111	typedef int aio_wfd; /* write file descriptor */	174	typedef int aio_wfd; /* write file descriptor */
112		175
…		…
119	STRLEN stroffset; \	182	STRLEN stroffset; \
120	SV *self;	183	SV *self;
121		184
122	#define EIO_NO_WRAPPERS 1	185	#define EIO_NO_WRAPPERS 1
123		186
124	#include "libeio/config.h"
125	#include "libeio/eio.h"	187	#include "libeio/eio.h"
126		188
127	static int req_invoke (eio_req *req);	189	static int req_invoke (eio_req *req);
128	#define EIO_FINISH(req) req_invoke (req)	190	#define EIO_FINISH(req) req_invoke (req)
129	static void req_destroy (eio_req *grp);	191	static void req_destroy (eio_req *grp);
…		…
145	# else	207	# else
146	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	208	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
147	# endif	209	# endif
148	#endif	210	#endif
149		211
		212	#ifndef makedev
		213	# define makedev(maj,min) (((maj) << 8) \| (min))
		214	#endif
		215	#ifndef major
		216	# define major(dev) ((dev) >> 8)
		217	#endif
		218	#ifndef minor
		219	# define minor(dev) ((dev) & 0xff)
		220	#endif
		221
		222	/* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */
		223	#ifdef __sun
		224	# undef PAGESIZE
		225	#endif
		226
		227	#if PAGESIZE <= 0
		228	# define PAGESIZE sysconf (_SC_PAGESIZE)
		229	#endif
		230
		231	/*****************************************************************************/
		232
		233	#if !_POSIX_MAPPED_FILES
		234	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
		235	# define munmap(addr,length) EIO_ENOSYS ()
		236	#endif
		237
		238	#if !_POSIX_MEMORY_PROTECTION
		239	# define mprotect(addr,len,prot) EIO_ENOSYS ()
		240	#endif
		241
		242	#if !MREMAP_MAYMOVE
		243	# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
		244	#endif
		245
		246	#define FOREIGN_MAGIC PERL_MAGIC_ext
		247
		248	static int ecb_cold
		249	mmap_free (pTHX_ SV sv, MAGIC mg)
		250	{
		251	int old_errno = errno;
		252	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		253	errno = old_errno;
		254
		255	mg->mg_obj = 0; /* just in case */
		256
		257	SvREADONLY_off (sv);
		258
		259	if (SvPVX (sv) != mg->mg_ptr)
		260	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		261
		262	SvCUR_set (sv, 0);
		263	SvPVX (sv) = 0;
		264	SvOK_off (sv);
		265
		266	return 0;
		267	}
		268
		269	static MGVTBL mmap_vtbl = {
		270	0, 0, 0, 0, mmap_free
		271	};
		272
		273	static int ecb_cold
		274	sysfree_free (pTHX_ SV sv, MAGIC mg)
		275	{
		276	free (mg->mg_ptr);
		277	mg->mg_obj = 0; /* just in case */
		278
		279	SvREADONLY_off (sv);
		280
		281	if (SvPVX (sv) != mg->mg_ptr)
		282	croak ("ERROR: IO::AIO mapped scalar changed location, detected");
		283
		284	SvCUR_set (sv, 0);
		285	SvPVX (sv) = 0;
		286	SvOK_off (sv);
		287
		288	return 0;
		289	}
		290
		291	static MGVTBL sysfree_vtbl = {
		292	0, 0, 0, 0, sysfree_free
		293	};
		294
		295	/*****************************************************************************/
		296
		297	/* helper: set scalar to foreign ptr with custom free */
		298	ecb_noinline
		299	static void
		300	sv_set_foreign (SV sv, const MGVTBL const vtbl, void *addr, IV length)
		301	{
		302	sv_force_normal (sv);
		303
		304	/* we store the length in mg_obj, as namlen is I32 :/ */
		305	sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
		306	->mg_obj = (SV *)length;
		307
		308	SvUPGRADE (sv, SVt_PV); /* nop... */
		309
		310	if (SvLEN (sv))
		311	Safefree (SvPVX (sv));
		312
		313	SvPVX (sv) = (char *)addr;
		314	SvCUR_set (sv, length);
		315	SvLEN_set (sv, 0);
		316	SvPOK_only (sv);
		317	}
		318
		319	static void
		320	sv_clear_foreign (SV *sv)
		321	{
		322	/* todo: iterate over magic and only free ours, but of course */
		323	/* the perl5porters will call that (correct) behaviour buggy */
		324	sv_unmagic (sv, FOREIGN_MAGIC);
		325	}
		326
		327	/*****************************************************************************/
		328
150	/* defines all sorts of constants to 0 unless they are already defined */	329	/* defines all sorts of constants to 0 unless they are already defined */
151	/* also provides const_iv_ and const_niv_ macros for them */	330	/* also provides const_iv_ and const_niv_ macros for them */
152	#include "def0.h"	331	#include "def0.h"
153
154	#ifndef makedev
155	# define makedev(maj,min) (((maj) << 8) \| (min))
156	#endif
157	#ifndef major
158	# define major(dev) ((dev) >> 8)
159	#endif
160	#ifndef minor
161	# define minor(dev) ((dev) & 0xff)
162	#endif
163
164	#if PAGESIZE <= 0
165	# define PAGESIZE sysconf (_SC_PAGESIZE)
166	#endif
167		332
168	/*****************************************************************************/	333	/*****************************************************************************/
169		334
170	static void	335	static void
171	fiemap (eio_req *req)	336	fiemap (eio_req *req)
…		…
263	#endif	428	#endif
264	}	429	}
265		430
266	/*****************************************************************************/	431	/*****************************************************************************/
267		432
		433	static int close_fd; /* dummy fd to close fds via dup2 */
		434
		435	#if HAVE_STATX
		436	static struct statx stx;
		437	#define statx_offsetof(member) offsetof (struct statx, member)
		438	#define eio__statx statx
		439	#else
		440	#define statx_offsetof(member) 0
		441	#define eio__statx(dir,path,flags,mask,stx) EIO_ENOSYS()
		442	#endif
		443
268	enum {	444	enum {
269	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	445	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
270	};	446	};
271		447
272	typedef eio_req *aio_req;	448	typedef eio_req *aio_req;
…		…
295	/* read any signals sent by the worker threads */	471	/* read any signals sent by the worker threads */
296	s_epipe_drain (&respipe);	472	s_epipe_drain (&respipe);
297	}	473	}
298		474
299	/* must be called at most once */	475	/* must be called at most once */
		476	ecb_noinline
300	static SV *	477	static SV *
301	req_sv (aio_req req, HV *stash)	478	req_sv (aio_req req, HV *stash)
302	{	479	{
303	if (!req->self)	480	if (!req->self)
304	{	481	{
…		…
313	newSVaio_wd (aio_wd wd)	490	newSVaio_wd (aio_wd wd)
314	{	491	{
315	return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);	492	return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
316	}	493	}
317		494
		495	ecb_noinline
318	static aio_req	496	static aio_req
319	SvAIO_REQ (SV *sv)	497	SvAIO_REQ (SV *sv)
320	{	498	{
321	MAGIC *mg;	499	MAGIC *mg;
322		500
…		…
385	FREETMPS;	563	FREETMPS;
386	LEAVE;	564	LEAVE;
387	}	565	}
388	}	566	}
389		567
		568	ecb_noinline
390	static void	569	static void
391	req_submit (eio_req *req)	570	req_submit (eio_req *req)
392	{	571	{
393	eio_submit (req);	572	eio_submit (req);
394		573
…		…
591	SvSETMAGIC (req->sv2);	770	SvSETMAGIC (req->sv2);
592	PUSHs (sv_result);	771	PUSHs (sv_result);
593	}	772	}
594	break;	773	break;
595		774
		775	case EIO_SLURP:
		776	{
		777	if (req->result >= 0)
		778	{
		779	/* if length was originally not known, we steal the malloc'ed memory */
		780	if (req->flags & EIO_FLAG_PTR2_FREE)
		781	{
		782	req->flags &= ~EIO_FLAG_PTR2_FREE;
		783	sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
		784	}
		785	else
		786	{
		787	SvCUR_set (req->sv2, req->result);
		788	*SvEND (req->sv2) = 0;
		789	SvPOK_only (req->sv2);
		790	}
		791
		792	SvSETMAGIC (req->sv2);
		793	}
		794
		795	PUSHs (sv_result);
		796	}
		797	break;
		798
596	case EIO_CUSTOM:	799	case EIO_CUSTOM:
597	if (req->feed == fiemap)	800	if (req->feed == fiemap)
598	{	801	{
599	#if HAVE_FIEMAP	802	#if HAVE_FIEMAP
600	if (!req->result)	803	if (!req->result)
…		…
631	}	834	}
632	else	835	else
633	PUSHs (sv_result);	836	PUSHs (sv_result);
634	break;	837	break;
635		838
		839	#if 0
		840	case EIO_CLOSE:
		841	PerlIOUnix_refcnt_dec (req->int1);
		842	break;
		843	#endif
		844
636	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */	845	case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
637	if (req->result > 0)	846	if (req->result > 0)
638	SvIV_set (sv_result, 0);	847	SvIV_set (sv_result, 0);
639	/* FALLTHROUGH */	848	/* FALLTHROUGH */
640		849
…		…
691	grp->sv2 = 0;	900	grp->sv2 = 0;
692		901
693	eio_grp_cancel (grp);	902	eio_grp_cancel (grp);
694	}	903	}
695		904
696	static void ecb_cold	905	ecb_cold
		906	static void
697	create_respipe (void)	907	create_respipe (void)
698	{	908	{
699	if (s_epipe_renew (&respipe))	909	if (s_epipe_renew (&respipe))
700	croak ("IO::AIO: unable to initialize result pipe");	910	croak ("IO::AIO: unable to initialize result pipe");
701	}	911	}
…		…
735		945
736	poll_wait ();	946	poll_wait ();
737	}	947	}
738	}	948	}
739		949
740	static void ecb_cold	950	ecb_cold
		951	static void
741	reinit (void)	952	reinit (void)
742	{	953	{
743	create_respipe ();	954	create_respipe ();
744		955
745	if (eio_init (want_poll, done_poll) < 0)	956	if (eio_init (want_poll, done_poll) < 0)
746	croak ("IO::AIO: unable to initialise eio library");	957	croak ("IO::AIO: unable to initialise eio library");
747	}	958	}
748		959
749	/*****************************************************************************/	960	/*****************************************************************************/
750		961
751	#if !_POSIX_MAPPED_FILES
752	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
753	# define munmap(addr,length) EIO_ENOSYS ()
754	#endif
755
756	#if !_POSIX_MEMORY_PROTECTION
757	# define mprotect(addr,len,prot) EIO_ENOSYS ()
758	#endif
759
760	#define MMAP_MAGIC PERL_MAGIC_ext
761
762	static int ecb_cold
763	mmap_free (pTHX_ SV sv, MAGIC mg)
764	{
765	int old_errno = errno;
766	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
767	errno = old_errno;
768
769	mg->mg_obj = 0; /* just in case */
770
771	SvREADONLY_off (sv);
772
773	if (SvPVX (sv) != mg->mg_ptr)
774	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
775
776	SvCUR_set (sv, 0);
777	SvPVX (sv) = 0;
778	SvOK_off (sv);
779
780	return 0;
781	}
782
783	static MGVTBL mmap_vtbl = {
784	0, 0, 0, 0, mmap_free
785	};
786
787	/*****************************************************************************/
788
789	static SV *	962	static SV *
790	get_cb (SV *cb_sv)	963	get_cb (SV *cb_sv)
791	{	964	{
792	SvGETMAGIC (cb_sv);	965	SvGETMAGIC (cb_sv);
793	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;	966	return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
794	}	967	}
795		968
		969	ecb_noinline
796	static aio_req ecb_noinline	970	static aio_req ecb_noinline
797	dreq (SV *callback)	971	dreq (SV *callback)
798	{	972	{
799	SV *cb_cv;	973	SV *cb_cv;
800	aio_req req;	974	aio_req req;
…		…
822	SPAGAIN; \	996	SPAGAIN; \
823	\	997	\
824	if (GIMME_V != G_VOID) \	998	if (GIMME_V != G_VOID) \
825	XPUSHs (req_sv (req, aio_req_stash));	999	XPUSHs (req_sv (req, aio_req_stash));
826		1000
		1001	/* wdsv, pathsv, wd and ptr must be 0-initialized */
827	ecb_inline void	1002	ecb_inline
		1003	void
828	req_set_path (aio_req req, SV path, SV wdsv, SV pathsv, eio_wd wd, void **ptr)	1004	req_set_path (SV path, SV wdsv, SV pathsv, eio_wd wd, void **ptr)
829	{	1005	{
830	if (expect_false (SvROK (path)))	1006	if (expect_false (SvROK (path)))
831	{	1007	{
832	SV *rv = SvRV (path);	1008	SV *rv = SvRV (path);
833	SV *wdob;	1009	SV *wdob;
…		…
858		1034
859	*pathsv = newSVsv (path);	1035	*pathsv = newSVsv (path);
860	ptr = SvPVbyte_nolen (pathsv);	1036	ptr = SvPVbyte_nolen (pathsv);
861	}	1037	}
862		1038
863	static void ecb_noinline	1039	ecb_noinline
		1040	static void
864	req_set_path1 (aio_req req, SV *path)	1041	req_set_path1 (aio_req req, SV *path)
865	{	1042	{
866	req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);	1043	req_set_path (path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
867	}	1044	}
868		1045
869	static void ecb_noinline	1046	ecb_noinline
		1047	static void
870	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)	1048	req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
871	{	1049	{
872	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;	1050	SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
873		1051
874	switch (SvTYPE (rv))	1052	switch (SvTYPE (rv))
…		…
886	req_set_path1 (req, fh_or_path);	1064	req_set_path1 (req, fh_or_path);
887	break;	1065	break;
888	}	1066	}
889	}	1067	}
890		1068
		1069	/*****************************************************************************/
		1070
		1071	static void
		1072	ts_set (struct timespec *ts, NV value)
		1073	{
		1074	ts->tv_sec = value;
		1075	ts->tv_nsec = (value - ts->tv_sec) * 1e9;
		1076	}
		1077
		1078	static NV
		1079	ts_get (const struct timespec *ts)
		1080	{
		1081	return ts->tv_sec + ts->tv_nsec * 1e-9;
		1082	}
		1083
		1084	/*****************************************************************************/
		1085
891	XS(boot_IO__AIO) ecb_cold;	1086	XS(boot_IO__AIO) ecb_cold;
892		1087
893	MODULE = IO::AIO PACKAGE = IO::AIO	1088	MODULE = IO::AIO PACKAGE = IO::AIO
894		1089
895	PROTOTYPES: ENABLE	1090	PROTOTYPES: ENABLE
…		…
926	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)	1121	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
927	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)	1122	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
928	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)	1123	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
929		1124
930	/* the second block will be 0 when missing */	1125	/* the second block will be 0 when missing */
		1126	const_iv (O_ACCMODE)
		1127
931	const_iv (O_RDONLY)	1128	const_iv (O_RDONLY)
932	const_iv (O_WRONLY)	1129	const_iv (O_WRONLY)
933	const_iv (O_RDWR)	1130	const_iv (O_RDWR)
934	const_iv (O_CREAT)	1131	const_iv (O_CREAT)
935	const_iv (O_TRUNC)	1132	const_iv (O_TRUNC)
…		…
995	const_iv (MAP_GROWSDOWN)	1192	const_iv (MAP_GROWSDOWN)
996	const_iv (MAP_32BIT)	1193	const_iv (MAP_32BIT)
997	const_iv (MAP_HUGETLB)	1194	const_iv (MAP_HUGETLB)
998	const_iv (MAP_STACK)	1195	const_iv (MAP_STACK)
999		1196
		1197	const_iv (MREMAP_MAYMOVE)
		1198	const_iv (MREMAP_FIXED)
		1199
		1200	const_iv (MSG_CMSG_CLOEXEC)
		1201	const_iv (SOCK_CLOEXEC)
		1202
1000	const_iv (F_DUPFD_CLOEXEC)	1203	const_iv (F_DUPFD_CLOEXEC)
		1204
		1205	const_iv (F_ADD_SEALS)
		1206	const_iv (F_GET_SEALS)
		1207	const_iv (F_SEAL_SEAL)
		1208	const_iv (F_SEAL_SHRINK)
		1209	const_iv (F_SEAL_GROW)
		1210	const_iv (F_SEAL_WRITE)
1001		1211
1002	const_iv (F_OFD_GETLK)	1212	const_iv (F_OFD_GETLK)
1003	const_iv (F_OFD_SETLK)	1213	const_iv (F_OFD_SETLK)
1004	const_iv (F_OFD_GETLKW)	1214	const_iv (F_OFD_GETLKW)
1005		1215
…		…
1078	const_iv (SPLICE_F_MOVE)	1288	const_iv (SPLICE_F_MOVE)
1079	const_iv (SPLICE_F_NONBLOCK)	1289	const_iv (SPLICE_F_NONBLOCK)
1080	const_iv (SPLICE_F_MORE)	1290	const_iv (SPLICE_F_MORE)
1081	const_iv (SPLICE_F_GIFT)	1291	const_iv (SPLICE_F_GIFT)
1082		1292
		1293	const_iv (EFD_CLOEXEC)
		1294	const_iv (EFD_NONBLOCK)
		1295	const_iv (EFD_SEMAPHORE)
		1296
		1297	const_iv (MFD_CLOEXEC)
		1298	const_iv (MFD_ALLOW_SEALING)
		1299	const_iv (MFD_HUGETLB)
		1300
		1301	const_iv (CLOCK_REALTIME)
		1302	const_iv (CLOCK_MONOTONIC)
		1303	const_iv (CLOCK_BOOTTIME)
		1304	const_iv (CLOCK_REALTIME_ALARM)
		1305	const_iv (CLOCK_BOOTTIME_ALARM)
		1306
		1307	const_iv (TFD_NONBLOCK)
		1308	const_iv (TFD_CLOEXEC)
		1309
		1310	const_iv (TFD_TIMER_ABSTIME)
		1311	const_iv (TFD_TIMER_CANCEL_ON_SET)
		1312
		1313	const_iv (STATX_TYPE)
		1314	const_iv (STATX_MODE)
		1315	const_iv (STATX_NLINK)
		1316	const_iv (STATX_UID)
		1317	const_iv (STATX_GID)
		1318	const_iv (STATX_ATIME)
		1319	const_iv (STATX_MTIME)
		1320	const_iv (STATX_CTIME)
		1321	const_iv (STATX_INO)
		1322	const_iv (STATX_SIZE)
		1323	const_iv (STATX_BLOCKS)
		1324	const_iv (STATX_BASIC_STATS)
		1325	const_iv (STATX_ALL)
		1326	const_iv (STATX_BTIME)
		1327	const_iv (STATX_ATTR_COMPRESSED)
		1328	const_iv (STATX_ATTR_IMMUTABLE)
		1329	const_iv (STATX_ATTR_APPEND)
		1330	const_iv (STATX_ATTR_NODUMP)
		1331	const_iv (STATX_ATTR_ENCRYPTED)
		1332	const_iv (STATX_ATTR_AUTOMOUNT)
		1333
1083	/* these are libeio constants, and are independent of gendef0 */	1334	/* these are libeio constants, and are independent of gendef0 */
1084	const_eio (SEEK_SET)	1335	const_eio (SEEK_SET)
1085	const_eio (SEEK_CUR)	1336	const_eio (SEEK_CUR)
1086	const_eio (SEEK_END)	1337	const_eio (SEEK_END)
1087		1338
1088	const_eio (MCL_FUTURE)	1339	const_eio (MCL_FUTURE)
1089	const_eio (MCL_CURRENT)	1340	const_eio (MCL_CURRENT)
		1341	const_eio (MCL_ONFAULT)
1090		1342
1091	const_eio (MS_ASYNC)	1343	const_eio (MS_ASYNC)
1092	const_eio (MS_INVALIDATE)	1344	const_eio (MS_INVALIDATE)
1093	const_eio (MS_SYNC)	1345	const_eio (MS_SYNC)
1094		1346
…		…
1133	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)	1385	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
1134	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));	1386	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
1135		1387
1136	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1388	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
1137		1389
		1390	/* allocate dummy pipe fd for aio_close */
		1391	{
		1392	int pipefd [2];
		1393
		1394	if (
		1395	#ifdef _WIN32
		1396	_pipe (pipefd, 1, _O_BINARY) < 0
		1397	#else
		1398	pipe (pipefd) < 0
		1399	\|\| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1400	#endif
		1401	\|\| close (pipefd [1]) < 0
		1402	)
		1403	croak ("IO::AIO: unable to create dummy pipe for aio_close");
		1404
		1405	close_fd = pipefd [0];
		1406	}
		1407
1138	reinit ();	1408	reinit ();
1139	}	1409	}
1140		1410
1141	void	1411	void
1142	reinit ()	1412	reinit ()
…		…
1264		1534
1265	void	1535	void
1266	aio_close (SV fh, SV callback = &PL_sv_undef)	1536	aio_close (SV fh, SV callback = &PL_sv_undef)
1267	PPCODE:	1537	PPCODE:
1268	{	1538	{
1269	static int close_fd = -1; /* dummy fd to close fds via dup2 */
1270	int fd = s_fileno_croak (fh, 0);	1539	int fd = s_fileno_croak (fh, 0);
1271	dREQ;	1540	dREQ;
		1541	#if 0
		1542	/* partially duplicate logic in s_fileno */
		1543	SvGETMAGIC (fh);
1272		1544
1273	if (expect_false (close_fd < 0))	1545	if (SvROK (fh))
		1546	{
		1547	fh = SvRV (fh);
		1548	SvGETMAGIC (fh);
		1549	}
		1550
		1551	if (SvTYPE (fh) == SVt_PVGV)
1274	{	1552	{
1275	int pipefd [2];	1553	/* perl filehandle */
		1554	PerlIOUnix_refcnt_inc (fd);
		1555	do_close ((GV *)fh, 1);
1276		1556
1277	if (	1557	req->type = EIO_CLOSE;
1278	#ifdef _WIN32	1558	req->int1 = fd;
1279	_pipe (pipefd, 1, _O_BINARY) < 0	1559	/req->sv2 = newSVsv (fh);/ /* since we stole the fd, no need to keep the fh */
1280	#else
1281	pipe (pipefd) < 0
1282	\|\| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1283	#endif
1284	\|\| close (pipefd [1]) < 0
1285	)
1286	abort (); /D/
1287
1288	close_fd = pipefd [0];
1289	}	1560	}
1290		1561	else
		1562	#endif
		1563	{
		1564	/* fd number */
1291	req->type = EIO_DUP2;	1565	req->type = EIO_DUP2;
1292	req->int1 = close_fd;	1566	req->int1 = close_fd;
1293	req->sv2 = newSVsv (fh);	1567	req->sv2 = newSVsv (fh);
1294	req->int2 = fd;	1568	req->int2 = fd;
		1569	}
1295		1570
1296	REQ_SEND;	1571	REQ_SEND;
1297	}	1572	}
1298		1573
1299	void	1574	void
…		…
1470	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);	1745	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1471		1746
1472	REQ_SEND;	1747	REQ_SEND;
1473	}	1748	}
1474		1749
		1750	void
		1751	st_xtime ()
		1752	ALIAS:
		1753	st_atime = 0x01
		1754	st_mtime = 0x02
		1755	st_ctime = 0x04
		1756	st_btime = 0x08
		1757	st_xtime = 0x0f
		1758	PPCODE:
		1759	EXTEND (SP, 4);
		1760	if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
		1761	if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
		1762	if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
		1763	if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
		1764
		1765	void
		1766	st_xtimensec ()
		1767	ALIAS:
		1768	st_atimensec = 0x01
		1769	st_mtimensec = 0x02
		1770	st_ctimensec = 0x04
		1771	st_btimensec = 0x08
		1772	st_xtimensec = 0x0f
		1773	st_btimesec = 0x10
		1774	st_gen = 0x20
		1775	PPCODE:
		1776	EXTEND (SP, 4);
		1777	if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
		1778	if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
		1779	if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
		1780	if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
		1781	if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
		1782	if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
		1783
1475	UV	1784	UV
1476	major (UV dev)	1785	major (UV dev)
1477	ALIAS:	1786	ALIAS:
1478	minor = 1	1787	minor = 1
1479	CODE:	1788	CODE:
…		…
1595	eio_wd wd2 = 0;	1904	eio_wd wd2 = 0;
1596	dREQ;	1905	dREQ;
1597		1906
1598	req->type = ix;	1907	req->type = ix;
1599	req_set_path1 (req, oldpath);	1908	req_set_path1 (req, oldpath);
1600	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);	1909	req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1601	req->int3 = (long)wd2;	1910	req->int3 = (long)wd2;
1602		1911
1603	REQ_SEND;	1912	REQ_SEND;
1604	}	1913	}
1605		1914
…		…
1610	eio_wd wd2 = 0;	1919	eio_wd wd2 = 0;
1611	dREQ;	1920	dREQ;
1612		1921
1613	req->type = EIO_RENAME;	1922	req->type = EIO_RENAME;
1614	req_set_path1 (req, oldpath);	1923	req_set_path1 (req, oldpath);
1615	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);	1924	req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1616	req->int2 = flags;	1925	req->int2 = flags;
1617	req->int3 = (long)wd2;	1926	req->int3 = (long)wd2;
1618		1927
1619	REQ_SEND;	1928	REQ_SEND;
1620	}	1929	}
…		…
1729	req->int2 = flags;	2038	req->int2 = flags;
1730	req->int3 = SvOK (count) ? SvIV (count) : -1;	2039	req->int3 = SvOK (count) ? SvIV (count) : -1;
1731	#endif	2040	#endif
1732		2041
1733	REQ_SEND;	2042	REQ_SEND;
		2043	}
		2044
		2045	void
		2046	aio_slurp (SV pathname, off_t offset, UV length, SV8 data, SV *callback = &PL_sv_undef)
		2047	PPCODE:
		2048	{
		2049	char *svptr = 0;
		2050
		2051	sv_clear_foreign (data);
		2052
		2053	if (length) /* known length, directly read into scalar */
		2054	{
		2055	if (!SvPOK (data) \|\| SvLEN (data) >= SvCUR (data))
		2056	svptr = sv_grow (data, length + 1);
		2057	else if (SvCUR (data) < length)
		2058	croak ("length outside of scalar, and cannot grow");
		2059	else
		2060	svptr = SvPVbyte_nolen (data);
		2061	}
		2062
		2063	{
		2064	dREQ;
		2065
		2066	req->type = EIO_SLURP;
		2067	req_set_path1 (req, pathname);
		2068	req->offs = offset;
		2069	req->size = length;
		2070	req->sv2 = SvREFCNT_inc (data);
		2071	req->ptr2 = svptr;
		2072
		2073	if (!SvREADONLY (data))
		2074	{
		2075	SvREADONLY_on (data);
		2076	req->flags \|= FLAG_SV2_RO_OFF;
		2077	}
		2078
		2079	REQ_SEND;
		2080	}
1734	}	2081	}
1735		2082
1736	void	2083	void
1737	aio_busy (double delay, SV *callback = &PL_sv_undef)	2084	aio_busy (double delay, SV *callback = &PL_sv_undef)
1738	PPCODE:	2085	PPCODE:
…		…
1875	RETVAL	2222	RETVAL
1876		2223
1877	void	2224	void
1878	mmap (SV scalar, STRLEN length, int prot, int flags, SV fh = &PL_sv_undef, off_t offset = 0)	2225	mmap (SV scalar, STRLEN length, int prot, int flags, SV fh = &PL_sv_undef, off_t offset = 0)
1879	PPCODE:	2226	PPCODE:
1880	sv_unmagic (scalar, MMAP_MAGIC);	2227	sv_clear_foreign (scalar);
1881	{	2228	{
1882	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	2229	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1883	void addr = (void )mmap (0, length, prot, flags, fd, offset);	2230	void addr = (void )mmap (0, length, prot, flags, fd, offset);
1884	if (addr == (void *)-1)	2231	if (addr == (void *)-1)
1885	XSRETURN_NO;	2232	XSRETURN_NO;
1886		2233
1887	sv_force_normal (scalar);	2234	sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1888
1889	/* we store the length in mg_obj, as namlen is I32 :/ */
1890	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1891	->mg_obj = (SV *)length;
1892
1893	SvUPGRADE (scalar, SVt_PV); /* nop... */
1894		2235
1895	if (!(prot & PROT_WRITE))	2236	if (!(prot & PROT_WRITE))
1896	SvREADONLY_on (scalar);	2237	SvREADONLY_on (scalar);
1897		2238
1898	if (SvLEN (scalar))
1899	Safefree (SvPVX (scalar));
1900
1901	SvPVX (scalar) = (char *)addr;
1902	SvCUR_set (scalar, length);
1903	SvLEN_set (scalar, 0);
1904	SvPOK_only (scalar);
1905
1906	XSRETURN_YES;	2239	XSRETURN_YES;
1907	}	2240	}
1908		2241
1909	void	2242	void
1910	munmap (SV *scalar)	2243	munmap (SV *scalar)
1911	CODE:	2244	CODE:
1912	sv_unmagic (scalar, MMAP_MAGIC);	2245	sv_clear_foreign (scalar);
		2246
		2247	SV *
		2248	mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
		2249	CODE:
		2250	{
		2251	MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
		2252	void *new;
		2253
		2254	if (!mg \|\| SvPVX (scalar) != mg->mg_ptr)
		2255	croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
		2256
		2257	new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
		2258
		2259	RETVAL = &PL_sv_no;
		2260
		2261	if (new != (void *)-1)
		2262	{
		2263	RETVAL = new == (void *)mg->mg_ptr
		2264	? newSVpvn ("0 but true", 10)
		2265	: &PL_sv_yes;
		2266
		2267	mg->mg_ptr = (char *)new;
		2268	mg->mg_obj = (SV *)new_length;
		2269
		2270	SvPVX (scalar) = mg->mg_ptr;
		2271	SvCUR_set (scalar, new_length);
		2272	}
		2273	}
		2274	OUTPUT:
		2275	RETVAL
1913		2276
1914	int	2277	int
1915	madvise (SV scalar, STRLEN offset = 0, SV length = &PL_sv_undef, IV advice_or_prot)	2278	madvise (SV scalar, IV offset = 0, SV length = &PL_sv_undef, IV advice_or_prot)
1916	ALIAS:	2279	ALIAS:
1917	mprotect = 1	2280	mprotect = 1
1918	CODE:	2281	CODE:
1919	{	2282	{
1920	STRLEN svlen;	2283	STRLEN svlen;
…		…
1941	}	2304	}
1942	OUTPUT:	2305	OUTPUT:
1943	RETVAL	2306	RETVAL
1944		2307
1945	int	2308	int
1946	munlock (SV scalar, STRLEN offset = 0, SV length = &PL_sv_undef)	2309	munlock (SV scalar, IV offset = 0, SV length = &PL_sv_undef)
1947	CODE:	2310	CODE:
1948	{	2311	{
1949	STRLEN svlen;	2312	STRLEN svlen;
1950	void *addr = SvPVbyte (scalar, svlen);	2313	void *addr = SvPVbyte (scalar, svlen);
1951	size_t len = SvUV (length);	2314	size_t len = SvUV (length);
…		…
1966	#else	2329	#else
1967	RETVAL = EIO_ENOSYS ();	2330	RETVAL = EIO_ENOSYS ();
1968	#endif	2331	#endif
1969	}	2332	}
1970	OUTPUT:	2333	OUTPUT:
		2334	RETVAL
		2335
		2336	int
		2337	mlockall (int flags)
		2338	PROTOTYPE: $;
		2339	CODE:
		2340	RETVAL = eio_mlockall_sync (flags);
		2341	OUTPUT:
1971	RETVAL	2342	RETVAL
1972		2343
1973	int	2344	int
1974	munlockall ()	2345	munlockall ()
1975	CODE:	2346	CODE:
…		…
1980	#endif	2351	#endif
1981	OUTPUT:	2352	OUTPUT:
1982	RETVAL	2353	RETVAL
1983		2354
1984	int	2355	int
		2356	statx (SV8 *pathname, int flags, UV mask)
		2357	CODE:
		2358	{
		2359	/* undocumented, and might go away, and anyway, should use eio_statx */
		2360	SV *wdsv = 0;
		2361	SV *pathsv = 0;
		2362	eio_wd wd = EIO_CWD;
		2363	void *ptr;
		2364	int res;
		2365
		2366	req_set_path (pathname, &wdsv, &pathsv, &wd, &ptr);
		2367	RETVAL = eio__statx (!wd \|\| wd->fd == EIO_CWD ? AT_FDCWD : wd->fd, ptr, flags, mask & STATX_ALL, &stx);
		2368
		2369	SvREFCNT_dec (pathsv);
		2370	SvREFCNT_dec (wdsv);
		2371	}
		2372	OUTPUT:
		2373	RETVAL
		2374
		2375	U32
		2376	stx_mode ()
		2377	PROTOTYPE:
		2378	CODE:
		2379	#if HAVE_STATX
		2380	RETVAL = stx.stx_mode;
		2381	#else
		2382	XSRETURN_UNDEF;
		2383	#endif
		2384	OUTPUT:
		2385	RETVAL
		2386
		2387	#define STATX_OFFSET_mask statx_offsetof (stx_mask)
		2388	#define STATX_OFFSET_blksize statx_offsetof (stx_blksize)
		2389	#define STATX_OFFSET_nlink statx_offsetof (stx_nlink)
		2390	#define STATX_OFFSET_uid statx_offsetof (stx_uid)
		2391	#define STATX_OFFSET_gid statx_offsetof (stx_gid)
		2392	#define STATX_OFFSET_rdev_major statx_offsetof (stx_rdev_major)
		2393	#define STATX_OFFSET_rdev_minor statx_offsetof (stx_rdev_minor)
		2394	#define STATX_OFFSET_dev_major statx_offsetof (stx_dev_major)
		2395	#define STATX_OFFSET_dev_minor statx_offsetof (stx_dev_minor)
		2396	#define STATX_OFFSET_attributes statx_offsetof (stx_attributes)
		2397	#define STATX_OFFSET_ino statx_offsetof (stx_ino)
		2398	#define STATX_OFFSET_size statx_offsetof (stx_size)
		2399	#define STATX_OFFSET_blocks statx_offsetof (stx_blocks)
		2400	#define STATX_OFFSET_attributes_mask statx_offsetof (stx_attributes_mask)
		2401	#define STATX_OFFSET_atime statx_offsetof (stx_atime)
		2402	#define STATX_OFFSET_btime statx_offsetof (stx_btime)
		2403	#define STATX_OFFSET_ctime statx_offsetof (stx_ctime)
		2404	#define STATX_OFFSET_mtime statx_offsetof (stx_mtime)
		2405
		2406	U32
		2407	stx_mask ()
		2408	PROTOTYPE:
		2409	ALIAS:
		2410	stx_mask = STATX_OFFSET_mask
		2411	stx_blksize = STATX_OFFSET_blksize
		2412	stx_nlink = STATX_OFFSET_nlink
		2413	stx_uid = STATX_OFFSET_uid
		2414	stx_gid = STATX_OFFSET_gid
		2415	stx_rdev_major = STATX_OFFSET_rdev_major
		2416	stx_rdev_minor = STATX_OFFSET_rdev_minor
		2417	stx_dev_major = STATX_OFFSET_dev_major
		2418	stx_dev_minor = STATX_OFFSET_dev_minor
		2419	CODE:
		2420	#if HAVE_STATX
		2421	RETVAL = (__u32 )((char *)&stx + ix);
		2422	#else
		2423	XSRETURN_UNDEF;
		2424	#endif
		2425	OUTPUT:
		2426	RETVAL
		2427
		2428	VAL64
		2429	stx_attributes ()
		2430	PROTOTYPE:
		2431	ALIAS:
		2432	stx_attributes = STATX_OFFSET_attributes
		2433	stx_ino = STATX_OFFSET_ino
		2434	stx_size = STATX_OFFSET_size
		2435	stx_blocks = STATX_OFFSET_blocks
		2436	stx_attributes_mask = STATX_OFFSET_attributes_mask
		2437	CODE:
		2438	#if HAVE_STATX
		2439	RETVAL = (__u64 )((char *)&stx + ix);
		2440	#else
		2441	XSRETURN_UNDEF;
		2442	#endif
		2443	OUTPUT:
		2444	RETVAL
		2445
		2446	NV
		2447	stx_atime ()
		2448	PROTOTYPE:
		2449	ALIAS:
		2450	stx_atime = STATX_OFFSET_atime
		2451	stx_btime = STATX_OFFSET_btime
		2452	stx_ctime = STATX_OFFSET_ctime
		2453	stx_mtime = STATX_OFFSET_mtime
		2454	CODE:
		2455	#if HAVE_STATX
		2456	struct statx_timestamp ts = (struct statx_timestamp )((char *)&stx + ix);
		2457	RETVAL = ts->tv_sec + ts->tv_nsec * 1e-9;
		2458	#else
		2459	XSRETURN_UNDEF;
		2460	#endif
		2461	OUTPUT:
		2462	RETVAL
		2463
		2464	VAL64
		2465	stx_atimesec ()
		2466	PROTOTYPE:
		2467	ALIAS:
		2468	stx_atimesec = STATX_OFFSET_atime
		2469	stx_btimesec = STATX_OFFSET_btime
		2470	stx_ctimesec = STATX_OFFSET_ctime
		2471	stx_mtimesec = STATX_OFFSET_mtime
		2472	CODE:
		2473	#if HAVE_STATX
		2474	struct statx_timestamp ts = (struct statx_timestamp )((char *)&stx + ix);
		2475	RETVAL = ts->tv_sec;
		2476	#else
		2477	XSRETURN_UNDEF;
		2478	#endif
		2479	OUTPUT:
		2480	RETVAL
		2481
		2482	U32
		2483	stx_atimensec ()
		2484	PROTOTYPE:
		2485	ALIAS:
		2486	stx_atimensec = STATX_OFFSET_atime
		2487	stx_btimensec = STATX_OFFSET_btime
		2488	stx_ctimensec = STATX_OFFSET_ctime
		2489	stx_mtimensec = STATX_OFFSET_mtime
		2490	CODE:
		2491	#if HAVE_STATX
		2492	struct statx_timestamp ts = (struct statx_timestamp )((char *)&stx + ix);
		2493	RETVAL = ts->tv_nsec;
		2494	#else
		2495	RETVAL = 0;
		2496	#endif
		2497	OUTPUT:
		2498	RETVAL
		2499
		2500	void
		2501	accept4 (aio_rfd rfh, SV *sockaddr, int salen, int flags)
		2502	PPCODE:
		2503	{
		2504	SV *retval;
		2505	#if HAVE_ACCEPT4
		2506	socklen_t salen_ = salen ? salen + 1 : 0;
		2507
		2508	if (salen)
		2509	{
		2510	sv_upgrade (sockaddr, SVt_PV);
		2511	sv_grow (sockaddr, salen_);
		2512	}
		2513
		2514	int res = accept4 (rfh, salen ? (struct sockaddr *)SvPVX (sockaddr) : 0, salen ? &salen_ : 0, flags);
		2515
		2516	retval = newmortalFH (res, O_RDWR);
		2517
		2518	if (res >= 0 && salen > 0)
		2519	{
		2520	if (salen_ > salen + 1)
		2521	salen_ = salen + 1;
		2522
		2523	SvPOK_only (sockaddr);
		2524	SvCUR_set (sockaddr, salen_);
		2525	}
		2526	#else
		2527	errno = ENOSYS;
		2528	retval = &PL_sv_undef;
		2529	#endif
		2530	XPUSHs (retval);
		2531	}
		2532
		2533	ssize_t
1985	splice (aio_rfd rfh, SV off_in, aio_wfd wfh, SV off_out, size_t length, unsigned int flags)	2534	splice (aio_rfd rfh, SV off_in, aio_wfd wfh, SV off_out, size_t length, unsigned int flags)
1986	CODE:	2535	CODE:
1987	{	2536	{
1988	#if HAVE_LINUX_SPLICE	2537	#if HAVE_LINUX_SPLICE
1989	loff_t off_in_, off_out_;	2538	loff_t off_in_, off_out_;
…		…
1997	#endif	2546	#endif
1998	}	2547	}
1999	OUTPUT:	2548	OUTPUT:
2000	RETVAL	2549	RETVAL
2001		2550
2002	int	2551	ssize_t
2003	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)	2552	tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2004	CODE:	2553	CODE:
2005	#if HAVE_LINUX_SPLICE	2554	#if HAVE_LINUX_SPLICE
2006	RETVAL = tee (rfh, wfh, length, flags);	2555	RETVAL = tee (rfh, wfh, length, flags);
2007	#else	2556	#else
…		…
2047	{	2596	{
2048	EXTEND (SP, 2);	2597	EXTEND (SP, 2);
2049	PUSHs (newmortalFH (fd[0], O_RDONLY));	2598	PUSHs (newmortalFH (fd[0], O_RDONLY));
2050	PUSHs (newmortalFH (fd[1], O_WRONLY));	2599	PUSHs (newmortalFH (fd[1], O_WRONLY));
2051	}	2600	}
		2601	}
		2602
		2603	void
		2604	eventfd (unsigned int initval = 0, int flags = 0)
		2605	PPCODE:
		2606	{
		2607	int fd;
		2608	#if HAVE_EVENTFD
		2609	fd = eventfd (initval, flags);
		2610	#else
		2611	fd = (errno = ENOSYS, -1);
		2612	#endif
		2613
		2614	XPUSHs (newmortalFH (fd, O_RDWR));
		2615	}
		2616
		2617	void
		2618	timerfd_create (int clockid, int flags = 0)
		2619	PPCODE:
		2620	{
		2621	int fd;
		2622	#if HAVE_TIMERFD
		2623	fd = timerfd_create (clockid, flags);
		2624	#else
		2625	fd = (errno = ENOSYS, -1);
		2626	#endif
		2627
		2628	XPUSHs (newmortalFH (fd, O_RDWR));
		2629	}
		2630
		2631	void
		2632	timerfd_settime (SV *fh, int flags, NV interval, NV value)
		2633	PPCODE:
		2634	{
		2635	int fd = s_fileno_croak (fh, 0);
		2636	#if HAVE_TIMERFD
		2637	int res;
		2638	struct itimerspec its, ots;
		2639
		2640	ts_set (&its.it_interval, interval);
		2641	ts_set (&its.it_value , value);
		2642	res = timerfd_settime (fd, flags, &its, &ots);
		2643
		2644	if (!res)
		2645	{
		2646	EXTEND (SP, 2);
		2647	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2648	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2649	}
		2650	#else
		2651	errno = ENOSYS;
		2652	#endif
		2653	}
		2654
		2655	void
		2656	timerfd_gettime (SV *fh)
		2657	PPCODE:
		2658	{
		2659	int fd = s_fileno_croak (fh, 0);
		2660	#if HAVE_TIMERFD
		2661	int res;
		2662	struct itimerspec ots;
		2663	res = timerfd_gettime (fd, &ots);
		2664
		2665	if (!res)
		2666	{
		2667	EXTEND (SP, 2);
		2668	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2669	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2670	}
		2671	#else
		2672	errno = ENOSYS;
		2673	#endif
		2674	}
		2675
		2676	void
		2677	memfd_create (SV8 *pathname, int flags = 0)
		2678	PPCODE:
		2679	{
		2680	int fd;
		2681	#if HAVE_MEMFD_CREATE
		2682	fd = memfd_create (SvPVbyte_nolen (pathname), flags);
		2683	#else
		2684	fd = (errno = ENOSYS, -1);
		2685	#endif
		2686
		2687	XPUSHs (newmortalFH (fd, O_RDWR));
		2688	}
		2689
		2690	UV
		2691	get_fdlimit ()
		2692	CODE:
		2693	#if HAVE_RLIMITS
		2694	struct rlimit rl;
		2695	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2696	XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
		2697	#endif
		2698	XSRETURN_UNDEF;
		2699	OUTPUT:
		2700	RETVAL
		2701
		2702	void
		2703	min_fdlimit (UV limit = 0x7fffffffU)
		2704	CODE:
		2705	{
		2706	#if HAVE_RLIMITS
		2707	struct rlimit rl;
		2708	rlim_t orig_rlim_max;
		2709	UV bit;
		2710
		2711	if (0 != getrlimit (RLIMIT_NOFILE, &rl))
		2712	goto fail;
		2713
		2714	if (rl.rlim_cur == RLIM_INFINITY)
		2715	XSRETURN_YES;
		2716
		2717	orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
		2718
		2719	if (rl.rlim_cur < limit)
		2720	{
		2721	rl.rlim_cur = limit;
		2722
		2723	if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
		2724	rl.rlim_max = rl.rlim_cur;
		2725	}
		2726
		2727	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2728	XSRETURN_YES;
		2729
		2730	if (errno == EPERM)
		2731	{
		2732	/* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
		2733	/* our limit overflows a system-wide limit */
		2734	/* try an adaptive algorithm, but do not lower the hardlimit */
		2735	rl.rlim_max = 0;
		2736	for (bit = 0x40000000U; bit; bit >>= 1)
		2737	{
		2738	rl.rlim_max \|= bit;
		2739	rl.rlim_cur = rl.rlim_max;
		2740
		2741	/* never decrease the hard limit */
		2742	if (rl.rlim_max < orig_rlim_max)
		2743	break;
		2744
		2745	if (0 != setrlimit (RLIMIT_NOFILE, &rl))
		2746	rl.rlim_max &= ~bit; /* too high, remove bit again */
		2747	}
		2748
		2749	/* now, raise the soft limit to the max permitted */
		2750	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2751	{
		2752	rl.rlim_cur = rl.rlim_max;
		2753	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2754	errno = EPERM;
		2755	}
		2756	}
		2757	#endif
		2758	fail:
		2759	XSRETURN_UNDEF;
2052	}	2760	}
2053		2761
2054	void _on_next_submit (SV *cb)	2762	void _on_next_submit (SV *cb)
2055	CODE:	2763	CODE:
2056	SvREFCNT_dec (on_next_submit);	2764	SvREFCNT_dec (on_next_submit);

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Comparing IO-AIO/AIO.xs (file contents): Revision 1.249 by root, Fri Jun 23 23:50:25 2017 UTC vs. Revision 1.281 by root, Wed Feb 26 15:47:22 2020 UTC

Diff Legend

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.249 by root, Fri Jun 23 23:50:25 2017 UTC vs.
Revision 1.281 by root, Wed Feb 26 15:47:22 2020 UTC