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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.238 by root, Thu Jan 21 23:04:46 2016 UTC vs.
Revision 1.266 by root, Tue Aug 14 14:03:14 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>
…		…
103	#define expect_false(expr) expect ((expr) != 0, 0)	113	#define expect_false(expr) expect ((expr) != 0, 0)
104	#define expect_true(expr) expect ((expr) != 0, 1)	114	#define expect_true(expr) expect ((expr) != 0, 1)
105		115
106	/*****************************************************************************/	116	/*****************************************************************************/
107		117
		118	#include "config.h"
		119
		120	#if HAVE_ST_XTIMENSEC
		121	# define ATIMENSEC PL_statcache.st_atimensec
		122	# define MTIMENSEC PL_statcache.st_mtimensec
		123	# define CTIMENSEC PL_statcache.st_ctimensec
		124	#elif HAVE_ST_XTIMESPEC
		125	# define ATIMENSEC PL_statcache.st_atim.tv_nsec
		126	# define MTIMENSEC PL_statcache.st_mtim.tv_nsec
		127	# define CTIMENSEC PL_statcache.st_ctim.tv_nsec
		128	#else
		129	# define ATIMENSEC 0
		130	# define MTIMENSEC 0
		131	# define CTIMENSEC 0
		132	#endif
		133
		134	#include "schmorp.h"
		135
		136	#if HAVE_EVENTFD
		137	# include <sys/eventfd.h>
		138	#endif
		139
		140	#if HAVE_TIMERFD
		141	# include <sys/timerfd.h>
		142	#endif
		143
		144	#if HAVE_RLIMITS
		145	#include <sys/time.h>
		146	#include <sys/resource.h>
		147	#endif
		148
108	typedef SV SV8; /* byte-sv, used for argument-checking */	149	typedef SV SV8; /* byte-sv, used for argument-checking */
109	typedef int aio_rfd; /* read file desriptor */	150	typedef int aio_rfd; /* read file desriptor */
110	typedef int aio_wfd; /* write file descriptor */	151	typedef int aio_wfd; /* write file descriptor */
111		152
112	static HV aio_stash, aio_req_stash, aio_grp_stash, aio_wd_stash;	153	static HV aio_stash, aio_req_stash, aio_grp_stash, aio_wd_stash;
…		…
118	STRLEN stroffset; \	159	STRLEN stroffset; \
119	SV *self;	160	SV *self;
120		161
121	#define EIO_NO_WRAPPERS 1	162	#define EIO_NO_WRAPPERS 1
122		163
123	#include "libeio/config.h"
124	#include "libeio/eio.h"	164	#include "libeio/eio.h"
125		165
126	static int req_invoke (eio_req *req);	166	static int req_invoke (eio_req *req);
127	#define EIO_FINISH(req) req_invoke (req)	167	#define EIO_FINISH(req) req_invoke (req)
128	static void req_destroy (eio_req *grp);	168	static void req_destroy (eio_req *grp);
…		…
144	# else	184	# else
145	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	185	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
146	# endif	186	# endif
147	#endif	187	#endif
148		188
		189	#ifndef makedev
		190	# define makedev(maj,min) (((maj) << 8) \| (min))
		191	#endif
		192	#ifndef major
		193	# define major(dev) ((dev) >> 8)
		194	#endif
		195	#ifndef minor
		196	# define minor(dev) ((dev) & 0xff)
		197	#endif
		198
		199	/* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */
		200	#ifdef __sun
		201	# undef PAGESIZE
		202	#endif
		203
		204	#if PAGESIZE <= 0
		205	# define PAGESIZE sysconf (_SC_PAGESIZE)
		206	#endif
		207
		208	/*****************************************************************************/
		209
		210	#if !_POSIX_MAPPED_FILES
		211	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
		212	# define munmap(addr,length) EIO_ENOSYS ()
		213	#endif
		214
		215	#if !_POSIX_MEMORY_PROTECTION
		216	# define mprotect(addr,len,prot) EIO_ENOSYS ()
		217	#endif
		218
		219	#if !MREMAP_MAYMOVE
		220	# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
		221	#endif
		222
		223	#define FOREIGN_MAGIC PERL_MAGIC_ext
		224
		225	static int ecb_cold
		226	mmap_free (pTHX_ SV sv, MAGIC mg)
		227	{
		228	int old_errno = errno;
		229	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		230	errno = old_errno;
		231
		232	mg->mg_obj = 0; /* just in case */
		233
		234	SvREADONLY_off (sv);
		235
		236	if (SvPVX (sv) != mg->mg_ptr)
		237	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		238
		239	SvCUR_set (sv, 0);
		240	SvPVX (sv) = 0;
		241	SvOK_off (sv);
		242
		243	return 0;
		244	}
		245
		246	static MGVTBL mmap_vtbl = {
		247	0, 0, 0, 0, mmap_free
		248	};
		249
		250	static int ecb_cold
		251	sysfree_free (pTHX_ SV sv, MAGIC mg)
		252	{
		253	free (mg->mg_ptr);
		254	mg->mg_obj = 0; /* just in case */
		255
		256	SvREADONLY_off (sv);
		257
		258	if (SvPVX (sv) != mg->mg_ptr)
		259	croak ("ERROR: IO::AIO mapped scalar changed location, detected");
		260
		261	SvCUR_set (sv, 0);
		262	SvPVX (sv) = 0;
		263	SvOK_off (sv);
		264
		265	return 0;
		266	}
		267
		268	static MGVTBL sysfree_vtbl = {
		269	0, 0, 0, 0, sysfree_free
		270	};
		271
		272	/*****************************************************************************/
		273
		274	/* helper: set scalar to foreign ptr with custom free */
		275	static void
		276	sv_set_foreign (SV sv, const MGVTBL const vtbl, void *addr, IV length)
		277	{
		278	sv_force_normal (sv);
		279
		280	/* we store the length in mg_obj, as namlen is I32 :/ */
		281	sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
		282	->mg_obj = (SV *)length;
		283
		284	SvUPGRADE (sv, SVt_PV); /* nop... */
		285
		286	if (SvLEN (sv))
		287	Safefree (SvPVX (sv));
		288
		289	SvPVX (sv) = (char *)addr;
		290	SvCUR_set (sv, length);
		291	SvLEN_set (sv, 0);
		292	SvPOK_only (sv);
		293	}
		294
		295	static void
		296	sv_clear_foreign (SV *sv)
		297	{
		298	/* todo: iterate over magic and only free ours, but of course */
		299	/* the perl5porters will call that (correct) behaviour buggy */
		300	sv_unmagic (sv, FOREIGN_MAGIC);
		301	}
		302
		303	/*****************************************************************************/
		304
149	/* defines all sorts of constants to 0 unless they are already defined */	305	/* defines all sorts of constants to 0 unless they are already defined */
150	/* also provides const_iv_ and const_niv_ macros for them */	306	/* also provides const_iv_ and const_niv_ macros for them */
151	#include "def0.h"	307	#include "def0.h"
152
153	#ifndef makedev
154	# define makedev(maj,min) (((maj) << 8) \| (min))
155	#endif
156	#ifndef major
157	# define major(dev) ((dev) >> 8)
158	#endif
159	#ifndef minor
160	# define minor(dev) ((dev) & 0xff)
161	#endif
162
163	#if PAGESIZE <= 0
164	# define PAGESIZE sysconf (_SC_PAGESIZE)
165	#endif
166		308
167	/*****************************************************************************/	309	/*****************************************************************************/
168		310
169	static void	311	static void
170	fiemap (eio_req *req)	312	fiemap (eio_req *req)
…		…
590	SvSETMAGIC (req->sv2);	732	SvSETMAGIC (req->sv2);
591	PUSHs (sv_result);	733	PUSHs (sv_result);
592	}	734	}
593	break;	735	break;
594		736
		737	case EIO_SLURP:
		738	{
		739	if (req->result >= 0)
		740	{
		741	/* if length was originally not known, we steal the malloc'ed memory */
		742	if (req->flags & EIO_FLAG_PTR2_FREE)
		743	{
		744	req->flags &= ~EIO_FLAG_PTR2_FREE;
		745	sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
		746	}
		747	else
		748	{
		749	SvCUR_set (req->sv2, req->result);
		750	*SvEND (req->sv2) = 0;
		751	SvPOK_only (req->sv2);
		752	}
		753
		754	SvSETMAGIC (req->sv2);
		755	}
		756
		757	PUSHs (sv_result);
		758	}
		759	break;
		760
595	case EIO_CUSTOM:	761	case EIO_CUSTOM:
596	if (req->feed == fiemap)	762	if (req->feed == fiemap)
597	{	763	{
598	#if HAVE_FIEMAP	764	#if HAVE_FIEMAP
599	if (!req->result)	765	if (!req->result)
…		…
742	create_respipe ();	908	create_respipe ();
743		909
744	if (eio_init (want_poll, done_poll) < 0)	910	if (eio_init (want_poll, done_poll) < 0)
745	croak ("IO::AIO: unable to initialise eio library");	911	croak ("IO::AIO: unable to initialise eio library");
746	}	912	}
747
748	/*****************************************************************************/
749
750	#if !_POSIX_MAPPED_FILES
751	# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
752	# define munmap(addr,length) EIO_ENOSYS ()
753	#endif
754
755	#if !_POSIX_MEMORY_PROTECTION
756	# define mprotect(addr,len,prot) EIO_ENOSYS ()
757	#endif
758
759	#define MMAP_MAGIC PERL_MAGIC_ext
760
761	static int ecb_cold
762	mmap_free (pTHX_ SV sv, MAGIC mg)
763	{
764	int old_errno = errno;
765	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
766	errno = old_errno;
767
768	mg->mg_obj = 0; /* just in case */
769
770	SvREADONLY_off (sv);
771
772	if (SvPVX (sv) != mg->mg_ptr)
773	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
774
775	SvCUR_set (sv, 0);
776	SvPVX (sv) = 0;
777	SvOK_off (sv);
778
779	return 0;
780	}
781
782	static MGVTBL mmap_vtbl = {
783	0, 0, 0, 0, mmap_free
784	};
785		913
786	/*****************************************************************************/	914	/*****************************************************************************/
787		915
788	static SV *	916	static SV *
789	get_cb (SV *cb_sv)	917	get_cb (SV *cb_sv)
…		…
885	req_set_path1 (req, fh_or_path);	1013	req_set_path1 (req, fh_or_path);
886	break;	1014	break;
887	}	1015	}
888	}	1016	}
889		1017
		1018	/*****************************************************************************/
		1019
		1020	static void
		1021	ts_set (struct timespec *ts, NV value)
		1022	{
		1023	ts->tv_sec = value;
		1024	ts->tv_nsec = (value - ts->tv_sec) * 1e9;
		1025	}
		1026
		1027	static NV
		1028	ts_get (const struct timespec *ts)
		1029	{
		1030	return ts->tv_sec + ts->tv_nsec * 1e-9;
		1031	}
		1032
		1033	/*****************************************************************************/
		1034
890	XS(boot_IO__AIO) ecb_cold;	1035	XS(boot_IO__AIO) ecb_cold;
891		1036
892	MODULE = IO::AIO PACKAGE = IO::AIO	1037	MODULE = IO::AIO PACKAGE = IO::AIO
893		1038
894	PROTOTYPES: ENABLE	1039	PROTOTYPES: ENABLE
…		…
925	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)	1070	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
926	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)	1071	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
927	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)	1072	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
928		1073
929	/* the second block will be 0 when missing */	1074	/* the second block will be 0 when missing */
		1075	const_iv (O_ACCMODE)
		1076
930	const_iv (O_RDONLY)	1077	const_iv (O_RDONLY)
931	const_iv (O_WRONLY)	1078	const_iv (O_WRONLY)
932	const_iv (O_RDWR)	1079	const_iv (O_RDWR)
933	const_iv (O_CREAT)	1080	const_iv (O_CREAT)
934	const_iv (O_TRUNC)	1081	const_iv (O_TRUNC)
…		…
993	const_iv (MAP_NONBLOCK)	1140	const_iv (MAP_NONBLOCK)
994	const_iv (MAP_GROWSDOWN)	1141	const_iv (MAP_GROWSDOWN)
995	const_iv (MAP_32BIT)	1142	const_iv (MAP_32BIT)
996	const_iv (MAP_HUGETLB)	1143	const_iv (MAP_HUGETLB)
997	const_iv (MAP_STACK)	1144	const_iv (MAP_STACK)
		1145
		1146	const_iv (MREMAP_MAYMOVE)
		1147	const_iv (MREMAP_FIXED)
		1148
		1149	const_iv (F_DUPFD_CLOEXEC)
		1150
		1151	const_iv (MSG_CMSG_CLOEXEC)
		1152	const_iv (SOCK_CLOEXEC)
		1153
		1154	const_iv (F_OFD_GETLK)
		1155	const_iv (F_OFD_SETLK)
		1156	const_iv (F_OFD_GETLKW)
		1157
		1158	const_iv (FIFREEZE)
		1159	const_iv (FITHAW)
		1160	const_iv (FITRIM)
		1161	const_iv (FICLONE)
		1162	const_iv (FICLONERANGE)
		1163	const_iv (FIDEDUPERANGE)
		1164
		1165	const_iv (FS_IOC_GETFLAGS)
		1166	const_iv (FS_IOC_SETFLAGS)
		1167	const_iv (FS_IOC_GETVERSION)
		1168	const_iv (FS_IOC_SETVERSION)
		1169	const_iv (FS_IOC_FIEMAP)
		1170	const_iv (FS_IOC_FSGETXATTR)
		1171	const_iv (FS_IOC_FSSETXATTR)
		1172	const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
		1173	const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
		1174	const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
		1175
		1176	const_iv (FS_KEY_DESCRIPTOR_SIZE)
		1177
		1178	const_iv (FS_SECRM_FL)
		1179	const_iv (FS_UNRM_FL)
		1180	const_iv (FS_COMPR_FL)
		1181	const_iv (FS_SYNC_FL)
		1182	const_iv (FS_IMMUTABLE_FL)
		1183	const_iv (FS_APPEND_FL)
		1184	const_iv (FS_NODUMP_FL)
		1185	const_iv (FS_NOATIME_FL)
		1186	const_iv (FS_DIRTY_FL)
		1187	const_iv (FS_COMPRBLK_FL)
		1188	const_iv (FS_NOCOMP_FL)
		1189	const_iv (FS_ENCRYPT_FL)
		1190	const_iv (FS_BTREE_FL)
		1191	const_iv (FS_INDEX_FL)
		1192	const_iv (FS_JOURNAL_DATA_FL)
		1193	const_iv (FS_NOTAIL_FL)
		1194	const_iv (FS_DIRSYNC_FL)
		1195	const_iv (FS_TOPDIR_FL)
		1196	const_iv (FS_FL_USER_MODIFIABLE)
		1197
		1198	const_iv (FS_XFLAG_REALTIME)
		1199	const_iv (FS_XFLAG_PREALLOC)
		1200	const_iv (FS_XFLAG_IMMUTABLE)
		1201	const_iv (FS_XFLAG_APPEND)
		1202	const_iv (FS_XFLAG_SYNC)
		1203	const_iv (FS_XFLAG_NOATIME)
		1204	const_iv (FS_XFLAG_NODUMP)
		1205	const_iv (FS_XFLAG_RTINHERIT)
		1206	const_iv (FS_XFLAG_PROJINHERIT)
		1207	const_iv (FS_XFLAG_NOSYMLINKS)
		1208	const_iv (FS_XFLAG_EXTSIZE)
		1209	const_iv (FS_XFLAG_EXTSZINHERIT)
		1210	const_iv (FS_XFLAG_NODEFRAG)
		1211	const_iv (FS_XFLAG_FILESTREAM)
		1212	const_iv (FS_XFLAG_DAX)
		1213	const_iv (FS_XFLAG_HASATTR)
998		1214
999	const_iv (FIEMAP_FLAG_SYNC)	1215	const_iv (FIEMAP_FLAG_SYNC)
1000	const_iv (FIEMAP_FLAG_XATTR)	1216	const_iv (FIEMAP_FLAG_XATTR)
1001	const_iv (FIEMAP_FLAGS_COMPAT)	1217	const_iv (FIEMAP_FLAGS_COMPAT)
1002	const_iv (FIEMAP_EXTENT_LAST)	1218	const_iv (FIEMAP_EXTENT_LAST)
…		…
1014	const_iv (SPLICE_F_MOVE)	1230	const_iv (SPLICE_F_MOVE)
1015	const_iv (SPLICE_F_NONBLOCK)	1231	const_iv (SPLICE_F_NONBLOCK)
1016	const_iv (SPLICE_F_MORE)	1232	const_iv (SPLICE_F_MORE)
1017	const_iv (SPLICE_F_GIFT)	1233	const_iv (SPLICE_F_GIFT)
1018		1234
		1235	const_iv (EFD_CLOEXEC)
		1236	const_iv (EFD_NONBLOCK)
		1237	const_iv (EFD_SEMAPHORE)
		1238
		1239	const_iv (CLOCK_REALTIME)
		1240	const_iv (CLOCK_MONOTONIC)
		1241	const_iv (CLOCK_BOOTTIME)
		1242	const_iv (CLOCK_REALTIME_ALARM)
		1243	const_iv (CLOCK_BOOTTIME_ALARM)
		1244
		1245	const_iv (TFD_NONBLOCK)
		1246	const_iv (TFD_CLOEXEC)
		1247
		1248	const_iv (TFD_TIMER_ABSTIME)
		1249	const_iv (TFD_TIMER_CANCEL_ON_SET)
		1250
1019	/* these are libeio constants, and are independent of gendef0 */	1251	/* these are libeio constants, and are independent of gendef0 */
1020	const_eio (SEEK_SET)	1252	const_eio (SEEK_SET)
1021	const_eio (SEEK_CUR)	1253	const_eio (SEEK_CUR)
1022	const_eio (SEEK_END)	1254	const_eio (SEEK_END)
1023		1255
…		…
1036		1268
1037	const_eio (FALLOC_FL_KEEP_SIZE)	1269	const_eio (FALLOC_FL_KEEP_SIZE)
1038	const_eio (FALLOC_FL_PUNCH_HOLE)	1270	const_eio (FALLOC_FL_PUNCH_HOLE)
1039	const_eio (FALLOC_FL_COLLAPSE_RANGE)	1271	const_eio (FALLOC_FL_COLLAPSE_RANGE)
1040	const_eio (FALLOC_FL_ZERO_RANGE)	1272	const_eio (FALLOC_FL_ZERO_RANGE)
		1273	const_eio (FALLOC_FL_INSERT_RANGE)
		1274	const_eio (FALLOC_FL_UNSHARE_RANGE)
		1275
		1276	const_eio (RENAME_NOREPLACE)
		1277	const_eio (RENAME_EXCHANGE)
		1278	const_eio (RENAME_WHITEOUT)
1041		1279
1042	const_eio (READDIR_DENTS)	1280	const_eio (READDIR_DENTS)
1043	const_eio (READDIR_DIRS_FIRST)	1281	const_eio (READDIR_DIRS_FIRST)
1044	const_eio (READDIR_STAT_ORDER)	1282	const_eio (READDIR_STAT_ORDER)
1045	const_eio (READDIR_FOUND_UNKNOWN)	1283	const_eio (READDIR_FOUND_UNKNOWN)
…		…
1296	REQ_SEND;	1534	REQ_SEND;
1297	}	1535	}
1298	}	1536	}
1299		1537
1300	void	1538	void
		1539	aio_ioctl (SV fh, unsigned long request, SV8 arg, SV *callback = &PL_sv_undef)
		1540	ALIAS:
		1541	aio_ioctl = EIO_IOCTL
		1542	aio_fcntl = EIO_FCNTL
		1543	PPCODE:
		1544	{
		1545	int fd = s_fileno_croak (fh, 0);
		1546	char *svptr;
		1547
		1548	if (SvPOK (arg) \|\| !SvNIOK (arg))
		1549	{
		1550	STRLEN svlen;
		1551	/* perl uses IOCPARM_LEN for fcntl, so we do, too */
		1552	#ifdef IOCPARM_LEN
		1553	STRLEN need = IOCPARM_LEN (request);
		1554	#else
		1555	STRLEN need = 256;
		1556	#endif
		1557
		1558	if (svlen < need)
		1559	svptr = SvGROW (arg, need);
		1560	}
		1561	else
		1562	svptr = (char *)SvIV (arg);
		1563
		1564	{
		1565	dREQ;
		1566
		1567	req->type = ix;
		1568	req->sv1 = newSVsv (fh);
		1569	req->int1 = fd;
		1570	req->int2 = (long)request;
		1571	req->sv2 = SvREFCNT_inc (arg);
		1572	req->ptr2 = svptr;
		1573
		1574	REQ_SEND;
		1575	}
		1576	}
		1577
		1578	void
1301	aio_readlink (SV8 pathname, SV callback = &PL_sv_undef)	1579	aio_readlink (SV8 pathname, SV callback = &PL_sv_undef)
1302	ALIAS:	1580	ALIAS:
1303	aio_readlink = EIO_READLINK	1581	aio_readlink = EIO_READLINK
1304	aio_realpath = EIO_REALPATH	1582	aio_realpath = EIO_REALPATH
1305	PPCODE:	1583	PPCODE:
…		…
1360	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);	1638	req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1361		1639
1362	REQ_SEND;	1640	REQ_SEND;
1363	}	1641	}
1364		1642
		1643	void
		1644	st_xtime ()
		1645	ALIAS:
		1646	st_atime = 1
		1647	st_mtime = 2
		1648	st_ctime = 4
		1649	st_xtime = 7
		1650	PPCODE:
		1651	EXTEND (SP, 3);
		1652	if (ix & 1) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
		1653	if (ix & 2) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
		1654	if (ix & 4) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
		1655
		1656	void
		1657	st_xtimensec ()
		1658	ALIAS:
		1659	st_atimensec = 1
		1660	st_mtimensec = 2
		1661	st_ctimensec = 4
		1662	st_xtimensec = 7
		1663	PPCODE:
		1664	EXTEND (SP, 3);
		1665	if (ix & 1) PUSHs (newSViv (ATIMENSEC));
		1666	if (ix & 2) PUSHs (newSViv (MTIMENSEC));
		1667	if (ix & 4) PUSHs (newSViv (CTIMENSEC));
		1668
1365	UV	1669	UV
1366	major (UV dev)	1670	major (UV dev)
1367	ALIAS:	1671	ALIAS:
1368	minor = 1	1672	minor = 1
1369	CODE:	1673	CODE:
1370	RETVAL = ix ? major (dev) : minor (dev);	1674	RETVAL = ix ? minor (dev) : major (dev);
1371	OUTPUT:	1675	OUTPUT:
1372	RETVAL	1676	RETVAL
1373		1677
1374	UV	1678	UV
1375	makedev (UV maj, UV min)	1679	makedev (UV maj, UV min)
…		…
1492		1796
1493	REQ_SEND;	1797	REQ_SEND;
1494	}	1798	}
1495		1799
1496	void	1800	void
		1801	aio_rename2 (SV8 oldpath, SV8 newpath, int flags = 0, SV *callback = &PL_sv_undef)
		1802	PPCODE:
		1803	{
		1804	eio_wd wd2 = 0;
		1805	dREQ;
		1806
		1807	req->type = EIO_RENAME;
		1808	req_set_path1 (req, oldpath);
		1809	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
		1810	req->int2 = flags;
		1811	req->int3 = (long)wd2;
		1812
		1813	REQ_SEND;
		1814	}
		1815
		1816	void
1497	aio_mknod (SV8 pathname, int mode, UV dev, SV callback = &PL_sv_undef)	1817	aio_mknod (SV8 pathname, int mode, UV dev, SV callback = &PL_sv_undef)
1498	PPCODE:	1818	PPCODE:
1499	{	1819	{
1500	dREQ;	1820	dREQ;
1501		1821
…		…
1506		1826
1507	REQ_SEND;	1827	REQ_SEND;
1508	}	1828	}
1509		1829
1510	void	1830	void
1511	aio_mtouch (SV8 data, IV offset = 0, SV length = &PL_sv_undef, int flags = 0, SV *callback = &PL_sv_undef)	1831	aio_mtouch (SV8 data, IV offset = 0, SV length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1512	ALIAS:	1832	ALIAS:
1513	aio_mtouch = EIO_MTOUCH	1833	aio_mtouch = EIO_MTOUCH
1514	aio_msync = EIO_MSYNC	1834	aio_msync = EIO_MSYNC
1515	PPCODE:	1835	PPCODE:
1516	{	1836	{
1517	STRLEN svlen;	1837	STRLEN svlen;
1518	char *svptr = SvPVbyte (data, svlen);	1838	char *svptr = SvPVbyte (data, svlen);
1519	UV len = SvUV (length);	1839	UV len = SvUV (length);
		1840
		1841	if (flags < 0)
		1842	flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1520		1843
1521	if (offset < 0)	1844	if (offset < 0)
1522	offset += svlen;	1845	offset += svlen;
1523		1846
1524	if (offset < 0 \|\| offset > svlen)	1847	if (offset < 0 \|\| offset > svlen)
…		…
1600	req->int2 = flags;	1923	req->int2 = flags;
1601	req->int3 = SvOK (count) ? SvIV (count) : -1;	1924	req->int3 = SvOK (count) ? SvIV (count) : -1;
1602	#endif	1925	#endif
1603		1926
1604	REQ_SEND;	1927	REQ_SEND;
		1928	}
		1929
		1930	void
		1931	aio_slurp (SV pathname, off_t offset, UV length, SV8 data, SV *callback = &PL_sv_undef)
		1932	PPCODE:
		1933	{
		1934	char *svptr = 0;
		1935
		1936	sv_clear_foreign (data);
		1937
		1938	if (length) /* known length, directly read into scalar */
		1939	{
		1940	if (!SvPOK (data) \|\| SvLEN (data) >= SvCUR (data))
		1941	svptr = sv_grow (data, length + 1);
		1942	else if (SvCUR (data) < length)
		1943	croak ("length outside of scalar, and cannot grow");
		1944	else
		1945	svptr = SvPVbyte_nolen (data);
		1946	}
		1947
		1948	{
		1949	dREQ;
		1950
		1951	req->type = EIO_SLURP;
		1952	req_set_path1 (req, pathname);
		1953	req->offs = offset;
		1954	req->size = length;
		1955	req->sv2 = SvREFCNT_inc (data);
		1956	req->ptr2 = svptr;
		1957
		1958	if (!SvREADONLY (data))
		1959	{
		1960	SvREADONLY_on (data);
		1961	req->flags \|= FLAG_SV2_RO_OFF;
		1962	}
		1963
		1964	REQ_SEND;
		1965	}
1605	}	1966	}
1606		1967
1607	void	1968	void
1608	aio_busy (double delay, SV *callback = &PL_sv_undef)	1969	aio_busy (double delay, SV *callback = &PL_sv_undef)
1609	PPCODE:	1970	PPCODE:
…		…
1746	RETVAL	2107	RETVAL
1747		2108
1748	void	2109	void
1749	mmap (SV scalar, STRLEN length, int prot, int flags, SV fh = &PL_sv_undef, off_t offset = 0)	2110	mmap (SV scalar, STRLEN length, int prot, int flags, SV fh = &PL_sv_undef, off_t offset = 0)
1750	PPCODE:	2111	PPCODE:
1751	sv_unmagic (scalar, MMAP_MAGIC);	2112	sv_clear_foreign (scalar);
1752	{	2113	{
1753	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	2114	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1754	void addr = (void )mmap (0, length, prot, flags, fd, offset);	2115	void addr = (void )mmap (0, length, prot, flags, fd, offset);
1755	if (addr == (void *)-1)	2116	if (addr == (void *)-1)
1756	XSRETURN_NO;	2117	XSRETURN_NO;
1757		2118
1758	sv_force_normal (scalar);	2119	sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1759
1760	/* we store the length in mg_obj, as namlen is I32 :/ */
1761	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1762	->mg_obj = (SV *)length;
1763
1764	SvUPGRADE (scalar, SVt_PV); /* nop... */
1765		2120
1766	if (!(prot & PROT_WRITE))	2121	if (!(prot & PROT_WRITE))
1767	SvREADONLY_on (scalar);	2122	SvREADONLY_on (scalar);
1768		2123
1769	if (SvLEN (scalar))
1770	Safefree (SvPVX (scalar));
1771
1772	SvPVX (scalar) = (char *)addr;
1773	SvCUR_set (scalar, length);
1774	SvLEN_set (scalar, 0);
1775	SvPOK_only (scalar);
1776
1777	XSRETURN_YES;	2124	XSRETURN_YES;
1778	}	2125	}
1779		2126
1780	void	2127	void
1781	munmap (SV *scalar)	2128	munmap (SV *scalar)
1782	CODE:	2129	CODE:
1783	sv_unmagic (scalar, MMAP_MAGIC);	2130	sv_clear_foreign (scalar);
		2131
		2132	SV *
		2133	mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
		2134	CODE:
		2135	{
		2136	MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
		2137	void *new;
		2138
		2139	if (!mg \|\| SvPVX (scalar) != mg->mg_ptr)
		2140	croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
		2141
		2142	new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
		2143
		2144	RETVAL = &PL_sv_no;
		2145
		2146	if (new != (void *)-1)
		2147	{
		2148	RETVAL = new == (void *)mg->mg_ptr
		2149	? newSVpvn ("0 but true", 10)
		2150	: &PL_sv_yes;
		2151
		2152	mg->mg_ptr = (char *)new;
		2153	mg->mg_obj = (SV *)new_length;
		2154
		2155	SvPVX (scalar) = mg->mg_ptr;
		2156	SvCUR_set (scalar, new_length);
		2157	}
		2158	}
		2159	OUTPUT:
		2160	RETVAL
1784		2161
1785	int	2162	int
1786	madvise (SV scalar, STRLEN offset = 0, SV length = &PL_sv_undef, IV advice_or_prot)	2163	madvise (SV scalar, STRLEN offset = 0, SV length = &PL_sv_undef, IV advice_or_prot)
1787	ALIAS:	2164	ALIAS:
1788	mprotect = 1	2165	mprotect = 1
…		…
1918	{	2295	{
1919	EXTEND (SP, 2);	2296	EXTEND (SP, 2);
1920	PUSHs (newmortalFH (fd[0], O_RDONLY));	2297	PUSHs (newmortalFH (fd[0], O_RDONLY));
1921	PUSHs (newmortalFH (fd[1], O_WRONLY));	2298	PUSHs (newmortalFH (fd[1], O_WRONLY));
1922	}	2299	}
		2300	}
		2301
		2302	void
		2303	eventfd (unsigned int initval = 0, int flags = 0)
		2304	PPCODE:
		2305	{
		2306	int fd;
		2307	#if HAVE_EVENTFD
		2308	fd = eventfd (initval, flags);
		2309	#else
		2310	fd = (errno = ENOSYS, -1);
		2311	#endif
		2312
		2313	XPUSHs (newmortalFH (fd, O_RDWR));
		2314	}
		2315
		2316	void
		2317	timerfd_create (int clockid, int flags = 0)
		2318	PPCODE:
		2319	{
		2320	int fd;
		2321	#if HAVE_TIMERFD
		2322	fd = timerfd_create (clockid, flags);
		2323	#else
		2324	fd = (errno = ENOSYS, -1);
		2325	#endif
		2326
		2327	XPUSHs (newmortalFH (fd, O_RDWR));
		2328	}
		2329
		2330	void
		2331	timerfd_settime (SV *fh, int flags, NV interval, NV value)
		2332	PPCODE:
		2333	{
		2334	int fd = s_fileno_croak (fh, 0);
		2335	#if HAVE_TIMERFD
		2336	int res;
		2337	struct itimerspec its, ots;
		2338
		2339	ts_set (&its.it_interval, interval);
		2340	ts_set (&its.it_value , value);
		2341	res = timerfd_settime (fd, flags, &its, &ots);
		2342
		2343	if (!res)
		2344	{
		2345	EXTEND (SP, 2);
		2346	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2347	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2348	}
		2349	#else
		2350	errno = ENOSYS;
		2351	#endif
		2352	}
		2353
		2354	void
		2355	timerfd_gettime (SV *fh)
		2356	PPCODE:
		2357	{
		2358	int fd = s_fileno_croak (fh, 0);
		2359	#if HAVE_TIMERFD
		2360	int res;
		2361	struct itimerspec ots;
		2362	res = timerfd_gettime (fd, &ots);
		2363
		2364	if (!res)
		2365	{
		2366	EXTEND (SP, 2);
		2367	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2368	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2369	}
		2370	#else
		2371	errno = ENOSYS;
		2372	#endif
		2373	}
		2374
		2375	UV
		2376	get_fdlimit ()
		2377	CODE:
		2378	#if HAVE_RLIMITS
		2379	struct rlimit rl;
		2380	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2381	XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
		2382	#endif
		2383	XSRETURN_UNDEF;
		2384	OUTPUT:
		2385	RETVAL
		2386
		2387	void
		2388	min_fdlimit (UV limit = 0x7fffffffU)
		2389	CODE:
		2390	{
		2391	#if HAVE_RLIMITS
		2392	struct rlimit rl;
		2393	rlim_t orig_rlim_max;
		2394	UV bit;
		2395
		2396	if (0 != getrlimit (RLIMIT_NOFILE, &rl))
		2397	goto fail;
		2398
		2399	if (rl.rlim_cur == RLIM_INFINITY)
		2400	XSRETURN_YES;
		2401
		2402	orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
		2403
		2404	if (rl.rlim_cur < limit)
		2405	{
		2406	rl.rlim_cur = limit;
		2407
		2408	if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
		2409	rl.rlim_max = rl.rlim_cur;
		2410	}
		2411
		2412	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2413	XSRETURN_YES;
		2414
		2415	if (errno == EPERM)
		2416	{
		2417	/* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
		2418	/* our limit overflows a system-wide limit */
		2419	/* try an adaptive algorithm, but do not lower the hardlimit */
		2420	rl.rlim_max = 0;
		2421	for (bit = 0x40000000U; bit; bit >>= 1)
		2422	{
		2423	rl.rlim_max \|= bit;
		2424	rl.rlim_cur = rl.rlim_max;
		2425
		2426	/* nevr decrease the hard limit */
		2427	if (rl.rlim_max < orig_rlim_max)
		2428	break;
		2429
		2430	if (0 != setrlimit (RLIMIT_NOFILE, &rl))
		2431	rl.rlim_max &= ~bit; /* too high, remove bit again */
		2432	}
		2433
		2434	/* now, raise the soft limit to the max permitted */
		2435	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2436	{
		2437	rl.rlim_cur = rl.rlim_max;
		2438	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2439	errno = EPERM;
		2440	}
		2441	}
		2442	#endif
		2443	fail:
		2444	XSRETURN_UNDEF;
1923	}	2445	}
1924		2446
1925	void _on_next_submit (SV *cb)	2447	void _on_next_submit (SV *cb)
1926	CODE:	2448	CODE:
1927	SvREFCNT_dec (on_next_submit);	2449	SvREFCNT_dec (on_next_submit);

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Comparing IO-AIO/AIO.xs (file contents): Revision 1.238 by root, Thu Jan 21 23:04:46 2016 UTC vs. Revision 1.266 by root, Tue Aug 14 14:03:14 2018 UTC

Diff Legend

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.238 by root, Thu Jan 21 23:04:46 2016 UTC vs.
Revision 1.266 by root, Tue Aug 14 14:03:14 2018 UTC