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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.234 by root, Thu Jun 25 15:20:11 2015 UTC vs.
Revision 1.267 by root, Sat Aug 25 19:25:32 2018 UTC

…		…
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		8
9	#include "schmorp.h"	9	#if !defined mg_findext
		10	# define mg_findext(sv,type,vtbl) mg_find (sv, type)
		11	#endif
10		12
11	#include <stddef.h>	13	#include <stddef.h>
12	#include <stdlib.h>	14	#include <stdlib.h>
13	#include <errno.h>	15	#include <errno.h>
14	#include <sys/types.h>	16	#include <sys/types.h>
		17	#include <sys/socket.h>
15	#include <sys/stat.h>	18	#include <sys/stat.h>
16	#include <limits.h>	19	#include <limits.h>
17	#include <fcntl.h>	20	#include <fcntl.h>
18	#include <sched.h>	21	#include <sched.h>
19		22
		23	#if HAVE_SYS_MKDEV_H
		24	# include <sys/mkdev.h>
		25	#elif HAVE_SYS_SYSMACROS_H
		26	# include <sys/sysmacros.h>
		27	#endif
		28
20	#if _POSIX_MEMLOCK \|\| _POSIX_MEMLOCK_RANGE \|\| _POSIX_MAPPED_FILES	29	#if _POSIX_MEMLOCK \|\| _POSIX_MEMLOCK_RANGE \|\| _POSIX_MAPPED_FILES
21	# include <sys/mman.h>	30	# include <sys/mman.h>
22	#endif	31	#endif
23		32
24	/* the incompetent fool that created musl keeps __linux__, refuses	33	/* the incompetent fool that created musl keeps __linux__, refuses
25	* to implement any linux standard apis, and also has no way to test	34	* to implement any linux standard apis, and also has no way to test
26	* for his broken iplementation. on't complain if this fails for you.	35	* for his broken iplementation. don't complain to me if this fails
		36	* for you.
27	*/	37	*/
28	#if __linux__ && (defined __GLIBC__ \|\| defined __UCLIBC__)	38	#if __linux__ && (defined __GLIBC__ \|\| defined __UCLIBC__)
29	# include <linux/fs.h>	39	# include <linux/fs.h>
30	# ifdef FS_IOC_FIEMAP	40	# ifdef FS_IOC_FIEMAP
31	# include <linux/types.h>	41	# include <linux/types.h>
…		…
74	#undef fchmod	84	#undef fchmod
75	#undef dup	85	#undef dup
76	#undef dup2	86	#undef dup2
77	#undef abort	87	#undef abort
78	#undef pipe	88	#undef pipe
		89	#undef utime
79		90
80	#define EIO_STRUCT_STAT struct _stati64	91	#define EIO_STRUCT_STAT struct _stati64
81	#define EIO_STRUCT_STATI64	92	#define EIO_STRUCT_STATI64
82		93
83	#else	94	#else
…		…
102		113
103	#define expect_false(expr) expect ((expr) != 0, 0)	114	#define expect_false(expr) expect ((expr) != 0, 0)
104	#define expect_true(expr) expect ((expr) != 0, 1)	115	#define expect_true(expr) expect ((expr) != 0, 1)
105		116
106	/*****************************************************************************/	117	/*****************************************************************************/
		118
		119	#include "config.h"
		120
		121	#if HAVE_ST_XTIMENSEC
		122	# define ATIMENSEC PL_statcache.st_atimensec
		123	# define MTIMENSEC PL_statcache.st_mtimensec
		124	# define CTIMENSEC PL_statcache.st_ctimensec
		125	#elif HAVE_ST_XTIMESPEC
		126	# define ATIMENSEC PL_statcache.st_atim.tv_nsec
		127	# define MTIMENSEC PL_statcache.st_mtim.tv_nsec
		128	# define CTIMENSEC PL_statcache.st_ctim.tv_nsec
		129	#else
		130	# define ATIMENSEC 0
		131	# define MTIMENSEC 0
		132	# define CTIMENSEC 0
		133	#endif
		134
		135	#if HAVE_ST_BIRTHTIMENSEC
		136	# define BTIMESEC PL_statcache.st_birthtime
		137	# define BTIMENSEC PL_statcache.st_birthtimensec
		138	#elif HAVE_ST_BIRTHTIMESPEC
		139	# define BTIMESEC PL_statcache.st_birthtim.tv_sec
		140	# define BTIMENSEC PL_statcache.st_birthtim.tv_nsec
		141	#else
		142	# define BTIMESEC 0
		143	# define BTIMENSEC 0
		144	#endif
		145
		146	#if HAVE_ST_GEN
		147	# define ST_GEN PL_statcache.st_gen
		148	#else
		149	# define ST_GEN 0
		150	#endif
		151
		152	#include "schmorp.h"
		153
		154	#if HAVE_EVENTFD
		155	# include <sys/eventfd.h>
		156	#endif
		157
		158	#if HAVE_TIMERFD
		159	# include <sys/timerfd.h>
		160	#endif
		161
		162	#if HAVE_RLIMITS
		163	#include <sys/time.h>
		164	#include <sys/resource.h>
		165	#endif
107		166
108	typedef SV SV8; /* byte-sv, used for argument-checking */	167	typedef SV SV8; /* byte-sv, used for argument-checking */
109	typedef int aio_rfd; /* read file desriptor */	168	typedef int aio_rfd; /* read file desriptor */
110	typedef int aio_wfd; /* write file descriptor */	169	typedef int aio_wfd; /* write file descriptor */
111		170
…		…
118	STRLEN stroffset; \	177	STRLEN stroffset; \
119	SV *self;	178	SV *self;
120		179
121	#define EIO_NO_WRAPPERS 1	180	#define EIO_NO_WRAPPERS 1
122		181
123	#include "libeio/config.h"
124	#include "libeio/eio.h"	182	#include "libeio/eio.h"
125		183
126	static int req_invoke (eio_req *req);	184	static int req_invoke (eio_req *req);
127	#define EIO_FINISH(req) req_invoke (req)	185	#define EIO_FINISH(req) req_invoke (req)
128	static void req_destroy (eio_req *grp);	186	static void req_destroy (eio_req *grp);
…		…
144	# else	202	# else
145	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	203	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
146	# endif	204	# endif
147	#endif	205	#endif
148		206
149	/* defines all sorts of constants to 0 unless they are already defined */
150	#include "def0.h"
151
152	#ifndef makedev	207	#ifndef makedev
153	# define makedev(maj,min) (((maj) << 8) \| (min))	208	# define makedev(maj,min) (((maj) << 8) \| (min))
154	#endif	209	#endif
155	#ifndef major	210	#ifndef major
156	# define major(dev) ((dev) >> 8)	211	# define major(dev) ((dev) >> 8)
157	#endif	212	#endif
158	#ifndef minor	213	#ifndef minor
159	# define minor(dev) ((dev) & 0xff)	214	# define minor(dev) ((dev) & 0xff)
160	#endif	215	#endif
161		216
		217	/* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */
		218	#ifdef __sun
		219	# undef PAGESIZE
		220	#endif
		221
162	#if PAGESIZE <= 0	222	#if PAGESIZE <= 0
163	# define PAGESIZE sysconf (_SC_PAGESIZE)	223	# define PAGESIZE sysconf (_SC_PAGESIZE)
164	#endif	224	#endif
		225
		226	/*****************************************************************************/
		227
		228	#if !_POSIX_MAPPED_FILES
		229	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
		230	# define munmap(addr,length) EIO_ENOSYS ()
		231	#endif
		232
		233	#if !_POSIX_MEMORY_PROTECTION
		234	# define mprotect(addr,len,prot) EIO_ENOSYS ()
		235	#endif
		236
		237	#if !MREMAP_MAYMOVE
		238	# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
		239	#endif
		240
		241	#define FOREIGN_MAGIC PERL_MAGIC_ext
		242
		243	static int ecb_cold
		244	mmap_free (pTHX_ SV sv, MAGIC mg)
		245	{
		246	int old_errno = errno;
		247	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		248	errno = old_errno;
		249
		250	mg->mg_obj = 0; /* just in case */
		251
		252	SvREADONLY_off (sv);
		253
		254	if (SvPVX (sv) != mg->mg_ptr)
		255	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		256
		257	SvCUR_set (sv, 0);
		258	SvPVX (sv) = 0;
		259	SvOK_off (sv);
		260
		261	return 0;
		262	}
		263
		264	static MGVTBL mmap_vtbl = {
		265	0, 0, 0, 0, mmap_free
		266	};
		267
		268	static int ecb_cold
		269	sysfree_free (pTHX_ SV sv, MAGIC mg)
		270	{
		271	free (mg->mg_ptr);
		272	mg->mg_obj = 0; /* just in case */
		273
		274	SvREADONLY_off (sv);
		275
		276	if (SvPVX (sv) != mg->mg_ptr)
		277	croak ("ERROR: IO::AIO mapped scalar changed location, detected");
		278
		279	SvCUR_set (sv, 0);
		280	SvPVX (sv) = 0;
		281	SvOK_off (sv);
		282
		283	return 0;
		284	}
		285
		286	static MGVTBL sysfree_vtbl = {
		287	0, 0, 0, 0, sysfree_free
		288	};
		289
		290	/*****************************************************************************/
		291
		292	/* helper: set scalar to foreign ptr with custom free */
		293	static void
		294	sv_set_foreign (SV sv, const MGVTBL const vtbl, void *addr, IV length)
		295	{
		296	sv_force_normal (sv);
		297
		298	/* we store the length in mg_obj, as namlen is I32 :/ */
		299	sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
		300	->mg_obj = (SV *)length;
		301
		302	SvUPGRADE (sv, SVt_PV); /* nop... */
		303
		304	if (SvLEN (sv))
		305	Safefree (SvPVX (sv));
		306
		307	SvPVX (sv) = (char *)addr;
		308	SvCUR_set (sv, length);
		309	SvLEN_set (sv, 0);
		310	SvPOK_only (sv);
		311	}
		312
		313	static void
		314	sv_clear_foreign (SV *sv)
		315	{
		316	/* todo: iterate over magic and only free ours, but of course */
		317	/* the perl5porters will call that (correct) behaviour buggy */
		318	sv_unmagic (sv, FOREIGN_MAGIC);
		319	}
		320
		321	/*****************************************************************************/
		322
		323	/* defines all sorts of constants to 0 unless they are already defined */
		324	/* also provides const_iv_ and const_niv_ macros for them */
		325	#include "def0.h"
165		326
166	/*****************************************************************************/	327	/*****************************************************************************/
167		328
168	static void	329	static void
169	fiemap (eio_req *req)	330	fiemap (eio_req *req)
…		…
260	errno = ENOSYS;	421	errno = ENOSYS;
261	#endif	422	#endif
262	}	423	}
263		424
264	/*****************************************************************************/	425	/*****************************************************************************/
		426
		427	static int close_fd; /* dummy fd to close fds via dup2 */
265		428
266	enum {	429	enum {
267	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */	430	FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
268	};	431	};
269		432
…		…
589	SvSETMAGIC (req->sv2);	752	SvSETMAGIC (req->sv2);
590	PUSHs (sv_result);	753	PUSHs (sv_result);
591	}	754	}
592	break;	755	break;
593		756
		757	case EIO_SLURP:
		758	{
		759	if (req->result >= 0)
		760	{
		761	/* if length was originally not known, we steal the malloc'ed memory */
		762	if (req->flags & EIO_FLAG_PTR2_FREE)
		763	{
		764	req->flags &= ~EIO_FLAG_PTR2_FREE;
		765	sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
		766	}
		767	else
		768	{
		769	SvCUR_set (req->sv2, req->result);
		770	*SvEND (req->sv2) = 0;
		771	SvPOK_only (req->sv2);
		772	}
		773
		774	SvSETMAGIC (req->sv2);
		775	}
		776
		777	PUSHs (sv_result);
		778	}
		779	break;
		780
594	case EIO_CUSTOM:	781	case EIO_CUSTOM:
595	if (req->feed == fiemap)	782	if (req->feed == fiemap)
596	{	783	{
597	#if HAVE_FIEMAP	784	#if HAVE_FIEMAP
598	if (!req->result)	785	if (!req->result)
…		…
703	{	890	{
704	while (eio_nreqs ())	891	while (eio_nreqs ())
705	{	892	{
706	int size;	893	int size;
707		894
708	X_LOCK (reslock);	895	X_LOCK (EIO_POOL->reslock);
709	size = res_queue.size;	896	size = EIO_POOL->res_queue.size;
710	X_UNLOCK (reslock);	897	X_UNLOCK (EIO_POOL->reslock);
711		898
712	if (size)	899	if (size)
713	return;	900	return;
714		901
715	etp_maybe_start_thread ();	902	etp_maybe_start_thread (EIO_POOL);
716		903
717	s_epipe_wait (&respipe);	904	s_epipe_wait (&respipe);
718	}	905	}
719	}	906	}
720		907
…		…
741	create_respipe ();	928	create_respipe ();
742		929
743	if (eio_init (want_poll, done_poll) < 0)	930	if (eio_init (want_poll, done_poll) < 0)
744	croak ("IO::AIO: unable to initialise eio library");	931	croak ("IO::AIO: unable to initialise eio library");
745	}	932	}
746
747	/*****************************************************************************/
748
749	#if !_POSIX_MAPPED_FILES
750	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
751	# define munmap(addr,length) EIO_ENOSYS ()
752	#endif
753
754	#if !_POSIX_MEMORY_PROTECTION
755	# define mprotect(addr,len,prot) EIO_ENOSYS ()
756	# define PROT_NONE 0
757	# define PROT_WRITE 0
758	# define MAP_PRIVATE 0
759	# define MAP_SHARED 0
760	# define MAP_FIXED 0
761	#endif
762
763	#define MMAP_MAGIC PERL_MAGIC_ext
764
765	static int ecb_cold
766	mmap_free (pTHX_ SV sv, MAGIC mg)
767	{
768	int old_errno = errno;
769	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
770	errno = old_errno;
771
772	mg->mg_obj = 0; /* just in case */
773
774	SvREADONLY_off (sv);
775
776	if (SvPVX (sv) != mg->mg_ptr)
777	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
778
779	SvCUR_set (sv, 0);
780	SvPVX (sv) = 0;
781	SvOK_off (sv);
782
783	return 0;
784	}
785
786	static MGVTBL mmap_vtbl = {
787	0, 0, 0, 0, mmap_free
788	};
789		933
790	/*****************************************************************************/	934	/*****************************************************************************/
791		935
792	static SV *	936	static SV *
793	get_cb (SV *cb_sv)	937	get_cb (SV *cb_sv)
…		…
889	req_set_path1 (req, fh_or_path);	1033	req_set_path1 (req, fh_or_path);
890	break;	1034	break;
891	}	1035	}
892	}	1036	}
893		1037
		1038	/*****************************************************************************/
		1039
		1040	static void
		1041	ts_set (struct timespec *ts, NV value)
		1042	{
		1043	ts->tv_sec = value;
		1044	ts->tv_nsec = (value - ts->tv_sec) * 1e9;
		1045	}
		1046
		1047	static NV
		1048	ts_get (const struct timespec *ts)
		1049	{
		1050	return ts->tv_sec + ts->tv_nsec * 1e-9;
		1051	}
		1052
		1053	/*****************************************************************************/
		1054
894	XS(boot_IO__AIO) ecb_cold;	1055	XS(boot_IO__AIO) ecb_cold;
895		1056
896	MODULE = IO::AIO PACKAGE = IO::AIO	1057	MODULE = IO::AIO PACKAGE = IO::AIO
897		1058
898	PROTOTYPES: ENABLE	1059	PROTOTYPES: ENABLE
…		…
905	} *civ, const_iv[] = {	1066	} *civ, const_iv[] = {
906	# define const_niv(name, value) { # name, (IV) value },	1067	# define const_niv(name, value) { # name, (IV) value },
907	# define const_iv(name) { # name, (IV) name },	1068	# define const_iv(name) { # name, (IV) name },
908	# define const_eio(name) { # name, (IV) EIO_ ## name },	1069	# define const_eio(name) { # name, (IV) EIO_ ## name },
909		1070
910	/* you have to re-run ./gendef0 after adding/Removing any constants here */	1071	/* you have to re-run ./gendef0 after adding/removing any constants here */
911		1072	/* the first block can be undef if missing */
912	const_iv (ENOSYS)	1073	const_iv (ENOSYS)
913	const_iv (EXDEV)	1074	const_iv (EXDEV)
914	const_iv (EBADR)	1075	const_iv (EBADR)
		1076
		1077	/* for lseek */
		1078	const_iv (SEEK_DATA)
		1079	const_iv (SEEK_HOLE)
		1080
		1081	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
		1082	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
		1083	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
		1084	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
		1085	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
		1086	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
		1087
		1088	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
		1089	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
		1090	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
		1091	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
		1092	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
		1093
		1094	/* the second block will be 0 when missing */
		1095	const_iv (O_ACCMODE)
915		1096
916	const_iv (O_RDONLY)	1097	const_iv (O_RDONLY)
917	const_iv (O_WRONLY)	1098	const_iv (O_WRONLY)
918	const_iv (O_RDWR)	1099	const_iv (O_RDWR)
919	const_iv (O_CREAT)	1100	const_iv (O_CREAT)
…		…
947	const_iv (S_IFDIR)	1128	const_iv (S_IFDIR)
948	const_iv (S_IFWHT)	1129	const_iv (S_IFWHT)
949	const_iv (S_IFSOCK)	1130	const_iv (S_IFSOCK)
950	const_iv (S_IFMT)	1131	const_iv (S_IFMT)
951		1132
952	const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
953	const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
954	const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
955	const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
956	const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
957	const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
958
959	const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
960	const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
961	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
962	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
963	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
964
965	const_iv (ST_RDONLY)	1133	const_iv (ST_RDONLY)
966	const_iv (ST_NOSUID)	1134	const_iv (ST_NOSUID)
967	const_iv (ST_NODEV)	1135	const_iv (ST_NODEV)
968	const_iv (ST_NOEXEC)	1136	const_iv (ST_NOEXEC)
969	const_iv (ST_SYNCHRONOUS)	1137	const_iv (ST_SYNCHRONOUS)
…		…
978	const_iv (PROT_NONE)	1146	const_iv (PROT_NONE)
979	const_iv (PROT_EXEC)	1147	const_iv (PROT_EXEC)
980	const_iv (PROT_READ)	1148	const_iv (PROT_READ)
981	const_iv (PROT_WRITE)	1149	const_iv (PROT_WRITE)
982		1150
983	/const_iv (MAP_FIXED)/
984	const_iv (MAP_PRIVATE)	1151	const_iv (MAP_PRIVATE)
985	const_iv (MAP_SHARED)	1152	const_iv (MAP_SHARED)
		1153	const_iv (MAP_FIXED)
986	const_iv (MAP_ANONYMOUS)	1154	const_iv (MAP_ANONYMOUS)
987		1155
988	/* linuxish */	1156	/* linuxish */
989	const_iv (MAP_HUGETLB)
990	const_iv (MAP_LOCKED)	1157	const_iv (MAP_LOCKED)
991	const_iv (MAP_NORESERVE)	1158	const_iv (MAP_NORESERVE)
992	const_iv (MAP_POPULATE)	1159	const_iv (MAP_POPULATE)
993	const_iv (MAP_NONBLOCK)	1160	const_iv (MAP_NONBLOCK)
		1161	const_iv (MAP_GROWSDOWN)
		1162	const_iv (MAP_32BIT)
		1163	const_iv (MAP_HUGETLB)
		1164	const_iv (MAP_STACK)
		1165
		1166	const_iv (MREMAP_MAYMOVE)
		1167	const_iv (MREMAP_FIXED)
		1168
		1169	const_iv (F_DUPFD_CLOEXEC)
		1170
		1171	const_iv (MSG_CMSG_CLOEXEC)
		1172	const_iv (SOCK_CLOEXEC)
		1173
		1174	const_iv (F_OFD_GETLK)
		1175	const_iv (F_OFD_SETLK)
		1176	const_iv (F_OFD_GETLKW)
		1177
		1178	const_iv (FIFREEZE)
		1179	const_iv (FITHAW)
		1180	const_iv (FITRIM)
		1181	const_iv (FICLONE)
		1182	const_iv (FICLONERANGE)
		1183	const_iv (FIDEDUPERANGE)
		1184
		1185	const_iv (FS_IOC_GETFLAGS)
		1186	const_iv (FS_IOC_SETFLAGS)
		1187	const_iv (FS_IOC_GETVERSION)
		1188	const_iv (FS_IOC_SETVERSION)
		1189	const_iv (FS_IOC_FIEMAP)
		1190	const_iv (FS_IOC_FSGETXATTR)
		1191	const_iv (FS_IOC_FSSETXATTR)
		1192	const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
		1193	const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
		1194	const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
		1195
		1196	const_iv (FS_KEY_DESCRIPTOR_SIZE)
		1197
		1198	const_iv (FS_SECRM_FL)
		1199	const_iv (FS_UNRM_FL)
		1200	const_iv (FS_COMPR_FL)
		1201	const_iv (FS_SYNC_FL)
		1202	const_iv (FS_IMMUTABLE_FL)
		1203	const_iv (FS_APPEND_FL)
		1204	const_iv (FS_NODUMP_FL)
		1205	const_iv (FS_NOATIME_FL)
		1206	const_iv (FS_DIRTY_FL)
		1207	const_iv (FS_COMPRBLK_FL)
		1208	const_iv (FS_NOCOMP_FL)
		1209	const_iv (FS_ENCRYPT_FL)
		1210	const_iv (FS_BTREE_FL)
		1211	const_iv (FS_INDEX_FL)
		1212	const_iv (FS_JOURNAL_DATA_FL)
		1213	const_iv (FS_NOTAIL_FL)
		1214	const_iv (FS_DIRSYNC_FL)
		1215	const_iv (FS_TOPDIR_FL)
		1216	const_iv (FS_FL_USER_MODIFIABLE)
		1217
		1218	const_iv (FS_XFLAG_REALTIME)
		1219	const_iv (FS_XFLAG_PREALLOC)
		1220	const_iv (FS_XFLAG_IMMUTABLE)
		1221	const_iv (FS_XFLAG_APPEND)
		1222	const_iv (FS_XFLAG_SYNC)
		1223	const_iv (FS_XFLAG_NOATIME)
		1224	const_iv (FS_XFLAG_NODUMP)
		1225	const_iv (FS_XFLAG_RTINHERIT)
		1226	const_iv (FS_XFLAG_PROJINHERIT)
		1227	const_iv (FS_XFLAG_NOSYMLINKS)
		1228	const_iv (FS_XFLAG_EXTSIZE)
		1229	const_iv (FS_XFLAG_EXTSZINHERIT)
		1230	const_iv (FS_XFLAG_NODEFRAG)
		1231	const_iv (FS_XFLAG_FILESTREAM)
		1232	const_iv (FS_XFLAG_DAX)
		1233	const_iv (FS_XFLAG_HASATTR)
994		1234
995	const_iv (FIEMAP_FLAG_SYNC)	1235	const_iv (FIEMAP_FLAG_SYNC)
996	const_iv (FIEMAP_FLAG_XATTR)	1236	const_iv (FIEMAP_FLAG_XATTR)
997	const_iv (FIEMAP_FLAGS_COMPAT)	1237	const_iv (FIEMAP_FLAGS_COMPAT)
998	const_iv (FIEMAP_EXTENT_LAST)	1238	const_iv (FIEMAP_EXTENT_LAST)
…		…
1010	const_iv (SPLICE_F_MOVE)	1250	const_iv (SPLICE_F_MOVE)
1011	const_iv (SPLICE_F_NONBLOCK)	1251	const_iv (SPLICE_F_NONBLOCK)
1012	const_iv (SPLICE_F_MORE)	1252	const_iv (SPLICE_F_MORE)
1013	const_iv (SPLICE_F_GIFT)	1253	const_iv (SPLICE_F_GIFT)
1014		1254
1015	const_iv (SEEK_DATA)	1255	const_iv (EFD_CLOEXEC)
		1256	const_iv (EFD_NONBLOCK)
1016	const_iv (SEEK_HOLE)	1257	const_iv (EFD_SEMAPHORE)
1017		1258
1018	/* libeio constants */	1259	const_iv (CLOCK_REALTIME)
		1260	const_iv (CLOCK_MONOTONIC)
		1261	const_iv (CLOCK_BOOTTIME)
		1262	const_iv (CLOCK_REALTIME_ALARM)
		1263	const_iv (CLOCK_BOOTTIME_ALARM)
		1264
		1265	const_iv (TFD_NONBLOCK)
		1266	const_iv (TFD_CLOEXEC)
		1267
		1268	const_iv (TFD_TIMER_ABSTIME)
		1269	const_iv (TFD_TIMER_CANCEL_ON_SET)
		1270
		1271	/* these are libeio constants, and are independent of gendef0 */
1019	const_eio (SEEK_SET)	1272	const_eio (SEEK_SET)
1020	const_eio (SEEK_CUR)	1273	const_eio (SEEK_CUR)
1021	const_eio (SEEK_END)	1274	const_eio (SEEK_END)
1022		1275
1023	const_eio (MCL_FUTURE)	1276	const_eio (MCL_FUTURE)
…		…
1035		1288
1036	const_eio (FALLOC_FL_KEEP_SIZE)	1289	const_eio (FALLOC_FL_KEEP_SIZE)
1037	const_eio (FALLOC_FL_PUNCH_HOLE)	1290	const_eio (FALLOC_FL_PUNCH_HOLE)
1038	const_eio (FALLOC_FL_COLLAPSE_RANGE)	1291	const_eio (FALLOC_FL_COLLAPSE_RANGE)
1039	const_eio (FALLOC_FL_ZERO_RANGE)	1292	const_eio (FALLOC_FL_ZERO_RANGE)
		1293	const_eio (FALLOC_FL_INSERT_RANGE)
		1294	const_eio (FALLOC_FL_UNSHARE_RANGE)
		1295
		1296	const_eio (RENAME_NOREPLACE)
		1297	const_eio (RENAME_EXCHANGE)
		1298	const_eio (RENAME_WHITEOUT)
1040		1299
1041	const_eio (READDIR_DENTS)	1300	const_eio (READDIR_DENTS)
1042	const_eio (READDIR_DIRS_FIRST)	1301	const_eio (READDIR_DIRS_FIRST)
1043	const_eio (READDIR_STAT_ORDER)	1302	const_eio (READDIR_STAT_ORDER)
1044	const_eio (READDIR_FOUND_UNKNOWN)	1303	const_eio (READDIR_FOUND_UNKNOWN)
…		…
1062	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)	1321	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
1063	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));	1322	newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
1064		1323
1065	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));	1324	newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
1066		1325
		1326	/* allocate dummy pipe fd for aio_close */
		1327	{
		1328	int pipefd [2];
		1329
		1330	if (
		1331	#ifdef _WIN32
		1332	_pipe (pipefd, 1, _O_BINARY) < 0
		1333	#else
		1334	pipe (pipefd) < 0
		1335	\|\| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
		1336	#endif
		1337	\|\| close (pipefd [1]) < 0
		1338	)
		1339	croak ("IO::AIO: unable to create dummy pipe for aio_close");
		1340
		1341	close_fd = pipefd [0];
		1342	}
		1343
1067	reinit ();	1344	reinit ();
1068	}	1345	}
1069		1346
1070	void	1347	void
1071	reinit ()	1348	reinit ()
…		…
1193		1470
1194	void	1471	void
1195	aio_close (SV fh, SV callback = &PL_sv_undef)	1472	aio_close (SV fh, SV callback = &PL_sv_undef)
1196	PPCODE:	1473	PPCODE:
1197	{	1474	{
1198	static int close_fd = -1; /* dummy fd to close fds via dup2 */
1199	int fd = s_fileno_croak (fh, 0);	1475	int fd = s_fileno_croak (fh, 0);
1200	dREQ;	1476	dREQ;
1201
1202	if (expect_false (close_fd < 0))
1203	{
1204	int pipefd [2];
1205
1206	if (
1207	#ifdef _WIN32
1208	_pipe (pipefd, 1, _O_BINARY) < 0
1209	#else
1210	pipe (pipefd) < 0
1211	\|\| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1212	#endif
1213	\|\| close (pipefd [1]) < 0
1214	)
1215	abort (); /D/
1216
1217	close_fd = pipefd [0];
1218	}
1219		1477
1220	req->type = EIO_DUP2;	1478	req->type = EIO_DUP2;
1221	req->int1 = close_fd;	1479	req->int1 = close_fd;
1222	req->sv2 = newSVsv (fh);	1480	req->sv2 = newSVsv (fh);
1223	req->int2 = fd;	1481	req->int2 = fd;
…		…
1295	REQ_SEND;	1553	REQ_SEND;
1296	}	1554	}
1297	}	1555	}
1298		1556
1299	void	1557	void
		1558	aio_ioctl (SV fh, unsigned long request, SV8 arg, SV *callback = &PL_sv_undef)
		1559	ALIAS:
		1560	aio_ioctl = EIO_IOCTL
		1561	aio_fcntl = EIO_FCNTL
		1562	PPCODE:
		1563	{
		1564	int fd = s_fileno_croak (fh, 0);
		1565	char *svptr;
		1566
		1567	if (SvPOK (arg) \|\| !SvNIOK (arg))
		1568	{
		1569	STRLEN svlen;
		1570	/* perl uses IOCPARM_LEN for fcntl, so we do, too */
		1571	#ifdef IOCPARM_LEN
		1572	STRLEN need = IOCPARM_LEN (request);
		1573	#else
		1574	STRLEN need = 256;
		1575	#endif
		1576
		1577	if (svlen < need)
		1578	svptr = SvGROW (arg, need);
		1579	}
		1580	else
		1581	svptr = (char *)SvIV (arg);
		1582
		1583	{
		1584	dREQ;
		1585
		1586	req->type = ix;
		1587	req->sv1 = newSVsv (fh);
		1588	req->int1 = fd;
		1589	req->int2 = (long)request;
		1590	req->sv2 = SvREFCNT_inc (arg);
		1591	req->ptr2 = svptr;
		1592
		1593	REQ_SEND;
		1594	}
		1595	}
		1596
		1597	void
1300	aio_readlink (SV8 pathname, SV callback = &PL_sv_undef)	1598	aio_readlink (SV8 pathname, SV callback = &PL_sv_undef)
1301	ALIAS:	1599	ALIAS:
1302	aio_readlink = EIO_READLINK	1600	aio_readlink = EIO_READLINK
1303	aio_realpath = EIO_REALPATH	1601	aio_realpath = EIO_REALPATH
1304	PPCODE:	1602	PPCODE:
…		…
1359	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);	1657	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1360		1658
1361	REQ_SEND;	1659	REQ_SEND;
1362	}	1660	}
1363		1661
		1662	void
		1663	st_xtime ()
		1664	ALIAS:
		1665	st_atime = 0x01
		1666	st_mtime = 0x02
		1667	st_ctime = 0x04
		1668	st_btime = 0x08
		1669	st_xtime = 0x0f
		1670	PPCODE:
		1671	EXTEND (SP, 4);
		1672	if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
		1673	if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
		1674	if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
		1675	if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
		1676
		1677	void
		1678	st_xtimensec ()
		1679	ALIAS:
		1680	st_atimensec = 0x01
		1681	st_mtimensec = 0x02
		1682	st_ctimensec = 0x04
		1683	st_btimensec = 0x08
		1684	st_xtimensec = 0x0f
		1685	st_btimesec = 0x10
		1686	st_gen = 0x20
		1687	PPCODE:
		1688	EXTEND (SP, 4);
		1689	if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
		1690	if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
		1691	if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
		1692	if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
		1693	if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
		1694	if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
		1695
1364	UV	1696	UV
1365	major (UV dev)	1697	major (UV dev)
1366	ALIAS:	1698	ALIAS:
1367	minor = 1	1699	minor = 1
1368	CODE:	1700	CODE:
1369	RETVAL = ix ? major (dev) : minor (dev);	1701	RETVAL = ix ? minor (dev) : major (dev);
1370	OUTPUT:	1702	OUTPUT:
1371	RETVAL	1703	RETVAL
1372		1704
1373	UV	1705	UV
1374	makedev (UV maj, UV min)	1706	makedev (UV maj, UV min)
…		…
1491		1823
1492	REQ_SEND;	1824	REQ_SEND;
1493	}	1825	}
1494		1826
1495	void	1827	void
		1828	aio_rename2 (SV8 oldpath, SV8 newpath, int flags = 0, SV *callback = &PL_sv_undef)
		1829	PPCODE:
		1830	{
		1831	eio_wd wd2 = 0;
		1832	dREQ;
		1833
		1834	req->type = EIO_RENAME;
		1835	req_set_path1 (req, oldpath);
		1836	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
		1837	req->int2 = flags;
		1838	req->int3 = (long)wd2;
		1839
		1840	REQ_SEND;
		1841	}
		1842
		1843	void
1496	aio_mknod (SV8 pathname, int mode, UV dev, SV callback = &PL_sv_undef)	1844	aio_mknod (SV8 pathname, int mode, UV dev, SV callback = &PL_sv_undef)
1497	PPCODE:	1845	PPCODE:
1498	{	1846	{
1499	dREQ;	1847	dREQ;
1500		1848
…		…
1505		1853
1506	REQ_SEND;	1854	REQ_SEND;
1507	}	1855	}
1508		1856
1509	void	1857	void
1510	aio_mtouch (SV8 data, IV offset = 0, SV length = &PL_sv_undef, int flags = 0, SV *callback = &PL_sv_undef)	1858	aio_mtouch (SV8 data, IV offset = 0, SV length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1511	ALIAS:	1859	ALIAS:
1512	aio_mtouch = EIO_MTOUCH	1860	aio_mtouch = EIO_MTOUCH
1513	aio_msync = EIO_MSYNC	1861	aio_msync = EIO_MSYNC
1514	PPCODE:	1862	PPCODE:
1515	{	1863	{
1516	STRLEN svlen;	1864	STRLEN svlen;
1517	char *svptr = SvPVbyte (data, svlen);	1865	char *svptr = SvPVbyte (data, svlen);
1518	UV len = SvUV (length);	1866	UV len = SvUV (length);
		1867
		1868	if (flags < 0)
		1869	flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1519		1870
1520	if (offset < 0)	1871	if (offset < 0)
1521	offset += svlen;	1872	offset += svlen;
1522		1873
1523	if (offset < 0 \|\| offset > svlen)	1874	if (offset < 0 \|\| offset > svlen)
…		…
1599	req->int2 = flags;	1950	req->int2 = flags;
1600	req->int3 = SvOK (count) ? SvIV (count) : -1;	1951	req->int3 = SvOK (count) ? SvIV (count) : -1;
1601	#endif	1952	#endif
1602		1953
1603	REQ_SEND;	1954	REQ_SEND;
		1955	}
		1956
		1957	void
		1958	aio_slurp (SV pathname, off_t offset, UV length, SV8 data, SV *callback = &PL_sv_undef)
		1959	PPCODE:
		1960	{
		1961	char *svptr = 0;
		1962
		1963	sv_clear_foreign (data);
		1964
		1965	if (length) /* known length, directly read into scalar */
		1966	{
		1967	if (!SvPOK (data) \|\| SvLEN (data) >= SvCUR (data))
		1968	svptr = sv_grow (data, length + 1);
		1969	else if (SvCUR (data) < length)
		1970	croak ("length outside of scalar, and cannot grow");
		1971	else
		1972	svptr = SvPVbyte_nolen (data);
		1973	}
		1974
		1975	{
		1976	dREQ;
		1977
		1978	req->type = EIO_SLURP;
		1979	req_set_path1 (req, pathname);
		1980	req->offs = offset;
		1981	req->size = length;
		1982	req->sv2 = SvREFCNT_inc (data);
		1983	req->ptr2 = svptr;
		1984
		1985	if (!SvREADONLY (data))
		1986	{
		1987	SvREADONLY_on (data);
		1988	req->flags \|= FLAG_SV2_RO_OFF;
		1989	}
		1990
		1991	REQ_SEND;
		1992	}
1604	}	1993	}
1605		1994
1606	void	1995	void
1607	aio_busy (double delay, SV *callback = &PL_sv_undef)	1996	aio_busy (double delay, SV *callback = &PL_sv_undef)
1608	PPCODE:	1997	PPCODE:
…		…
1745	RETVAL	2134	RETVAL
1746		2135
1747	void	2136	void
1748	mmap (SV scalar, STRLEN length, int prot, int flags, SV fh = &PL_sv_undef, off_t offset = 0)	2137	mmap (SV scalar, STRLEN length, int prot, int flags, SV fh = &PL_sv_undef, off_t offset = 0)
1749	PPCODE:	2138	PPCODE:
1750	sv_unmagic (scalar, MMAP_MAGIC);	2139	sv_clear_foreign (scalar);
1751	{	2140	{
1752	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	2141	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1753	void addr = (void )mmap (0, length, prot, flags, fd, offset);	2142	void addr = (void )mmap (0, length, prot, flags, fd, offset);
1754	if (addr == (void *)-1)	2143	if (addr == (void *)-1)
1755	XSRETURN_NO;	2144	XSRETURN_NO;
1756		2145
1757	sv_force_normal (scalar);	2146	sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1758
1759	/* we store the length in mg_obj, as namlen is I32 :/ */
1760	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1761	->mg_obj = (SV *)length;
1762
1763	SvUPGRADE (scalar, SVt_PV); /* nop... */
1764		2147
1765	if (!(prot & PROT_WRITE))	2148	if (!(prot & PROT_WRITE))
1766	SvREADONLY_on (scalar);	2149	SvREADONLY_on (scalar);
1767		2150
1768	if (SvLEN (scalar))
1769	Safefree (SvPVX (scalar));
1770
1771	SvPVX (scalar) = (char *)addr;
1772	SvCUR_set (scalar, length);
1773	SvLEN_set (scalar, 0);
1774	SvPOK_only (scalar);
1775
1776	XSRETURN_YES;	2151	XSRETURN_YES;
1777	}	2152	}
1778		2153
1779	void	2154	void
1780	munmap (SV *scalar)	2155	munmap (SV *scalar)
1781	CODE:	2156	CODE:
1782	sv_unmagic (scalar, MMAP_MAGIC);	2157	sv_clear_foreign (scalar);
		2158
		2159	SV *
		2160	mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
		2161	CODE:
		2162	{
		2163	MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
		2164	void *new;
		2165
		2166	if (!mg \|\| SvPVX (scalar) != mg->mg_ptr)
		2167	croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
		2168
		2169	new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
		2170
		2171	RETVAL = &PL_sv_no;
		2172
		2173	if (new != (void *)-1)
		2174	{
		2175	RETVAL = new == (void *)mg->mg_ptr
		2176	? newSVpvn ("0 but true", 10)
		2177	: &PL_sv_yes;
		2178
		2179	mg->mg_ptr = (char *)new;
		2180	mg->mg_obj = (SV *)new_length;
		2181
		2182	SvPVX (scalar) = mg->mg_ptr;
		2183	SvCUR_set (scalar, new_length);
		2184	}
		2185	}
		2186	OUTPUT:
		2187	RETVAL
1783		2188
1784	int	2189	int
1785	madvise (SV scalar, STRLEN offset = 0, SV length = &PL_sv_undef, IV advice_or_prot)	2190	madvise (SV scalar, IV offset = 0, SV length = &PL_sv_undef, IV advice_or_prot)
1786	ALIAS:	2191	ALIAS:
1787	mprotect = 1	2192	mprotect = 1
1788	CODE:	2193	CODE:
1789	{	2194	{
1790	STRLEN svlen;	2195	STRLEN svlen;
…		…
1811	}	2216	}
1812	OUTPUT:	2217	OUTPUT:
1813	RETVAL	2218	RETVAL
1814		2219
1815	int	2220	int
1816	munlock (SV scalar, STRLEN offset = 0, SV length = &PL_sv_undef)	2221	munlock (SV scalar, IV offset = 0, SV length = &PL_sv_undef)
1817	CODE:	2222	CODE:
1818	{	2223	{
1819	STRLEN svlen;	2224	STRLEN svlen;
1820	void *addr = SvPVbyte (scalar, svlen);	2225	void *addr = SvPVbyte (scalar, svlen);
1821	size_t len = SvUV (length);	2226	size_t len = SvUV (length);
…		…
1917	{	2322	{
1918	EXTEND (SP, 2);	2323	EXTEND (SP, 2);
1919	PUSHs (newmortalFH (fd[0], O_RDONLY));	2324	PUSHs (newmortalFH (fd[0], O_RDONLY));
1920	PUSHs (newmortalFH (fd[1], O_WRONLY));	2325	PUSHs (newmortalFH (fd[1], O_WRONLY));
1921	}	2326	}
		2327	}
		2328
		2329	void
		2330	eventfd (unsigned int initval = 0, int flags = 0)
		2331	PPCODE:
		2332	{
		2333	int fd;
		2334	#if HAVE_EVENTFD
		2335	fd = eventfd (initval, flags);
		2336	#else
		2337	fd = (errno = ENOSYS, -1);
		2338	#endif
		2339
		2340	XPUSHs (newmortalFH (fd, O_RDWR));
		2341	}
		2342
		2343	void
		2344	timerfd_create (int clockid, int flags = 0)
		2345	PPCODE:
		2346	{
		2347	int fd;
		2348	#if HAVE_TIMERFD
		2349	fd = timerfd_create (clockid, flags);
		2350	#else
		2351	fd = (errno = ENOSYS, -1);
		2352	#endif
		2353
		2354	XPUSHs (newmortalFH (fd, O_RDWR));
		2355	}
		2356
		2357	void
		2358	timerfd_settime (SV *fh, int flags, NV interval, NV value)
		2359	PPCODE:
		2360	{
		2361	int fd = s_fileno_croak (fh, 0);
		2362	#if HAVE_TIMERFD
		2363	int res;
		2364	struct itimerspec its, ots;
		2365
		2366	ts_set (&its.it_interval, interval);
		2367	ts_set (&its.it_value , value);
		2368	res = timerfd_settime (fd, flags, &its, &ots);
		2369
		2370	if (!res)
		2371	{
		2372	EXTEND (SP, 2);
		2373	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2374	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2375	}
		2376	#else
		2377	errno = ENOSYS;
		2378	#endif
		2379	}
		2380
		2381	void
		2382	timerfd_gettime (SV *fh)
		2383	PPCODE:
		2384	{
		2385	int fd = s_fileno_croak (fh, 0);
		2386	#if HAVE_TIMERFD
		2387	int res;
		2388	struct itimerspec ots;
		2389	res = timerfd_gettime (fd, &ots);
		2390
		2391	if (!res)
		2392	{
		2393	EXTEND (SP, 2);
		2394	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2395	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2396	}
		2397	#else
		2398	errno = ENOSYS;
		2399	#endif
		2400	}
		2401
		2402	UV
		2403	get_fdlimit ()
		2404	CODE:
		2405	#if HAVE_RLIMITS
		2406	struct rlimit rl;
		2407	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2408	XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
		2409	#endif
		2410	XSRETURN_UNDEF;
		2411	OUTPUT:
		2412	RETVAL
		2413
		2414	void
		2415	min_fdlimit (UV limit = 0x7fffffffU)
		2416	CODE:
		2417	{
		2418	#if HAVE_RLIMITS
		2419	struct rlimit rl;
		2420	rlim_t orig_rlim_max;
		2421	UV bit;
		2422
		2423	if (0 != getrlimit (RLIMIT_NOFILE, &rl))
		2424	goto fail;
		2425
		2426	if (rl.rlim_cur == RLIM_INFINITY)
		2427	XSRETURN_YES;
		2428
		2429	orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
		2430
		2431	if (rl.rlim_cur < limit)
		2432	{
		2433	rl.rlim_cur = limit;
		2434
		2435	if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
		2436	rl.rlim_max = rl.rlim_cur;
		2437	}
		2438
		2439	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2440	XSRETURN_YES;
		2441
		2442	if (errno == EPERM)
		2443	{
		2444	/* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
		2445	/* our limit overflows a system-wide limit */
		2446	/* try an adaptive algorithm, but do not lower the hardlimit */
		2447	rl.rlim_max = 0;
		2448	for (bit = 0x40000000U; bit; bit >>= 1)
		2449	{
		2450	rl.rlim_max \|= bit;
		2451	rl.rlim_cur = rl.rlim_max;
		2452
		2453	/* nevr decrease the hard limit */
		2454	if (rl.rlim_max < orig_rlim_max)
		2455	break;
		2456
		2457	if (0 != setrlimit (RLIMIT_NOFILE, &rl))
		2458	rl.rlim_max &= ~bit; /* too high, remove bit again */
		2459	}
		2460
		2461	/* now, raise the soft limit to the max permitted */
		2462	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2463	{
		2464	rl.rlim_cur = rl.rlim_max;
		2465	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2466	errno = EPERM;
		2467	}
		2468	}
		2469	#endif
		2470	fail:
		2471	XSRETURN_UNDEF;
1922	}	2472	}
1923		2473
1924	void _on_next_submit (SV *cb)	2474	void _on_next_submit (SV *cb)
1925	CODE:	2475	CODE:
1926	SvREFCNT_dec (on_next_submit);	2476	SvREFCNT_dec (on_next_submit);

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Comparing IO-AIO/AIO.xs (file contents): Revision 1.234 by root, Thu Jun 25 15:20:11 2015 UTC vs. Revision 1.267 by root, Sat Aug 25 19:25:32 2018 UTC

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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.234 by root, Thu Jun 25 15:20:11 2015 UTC vs.
Revision 1.267 by root, Sat Aug 25 19:25:32 2018 UTC