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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.236 by root, Thu Jun 25 17:40:24 2015 UTC vs.
Revision 1.260 by root, Tue Jul 24 04:58:59 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>
…		…
21	# include <sys/mman.h>	23	# include <sys/mman.h>
22	#endif	24	#endif
23		25
24	/* the incompetent fool that created musl keeps __linux__, refuses	26	/* the incompetent fool that created musl keeps __linux__, refuses
25	* to implement any linux standard apis, and also has no way to test	27	* 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.	28	* for his broken iplementation. don't complain to me if this fails
		29	* for you.
27	*/	30	*/
28	#if __linux__ && (defined __GLIBC__ \|\| defined __UCLIBC__)	31	#if __linux__ && (defined __GLIBC__ \|\| defined __UCLIBC__)
29	# include <linux/fs.h>	32	# include <linux/fs.h>
30	# ifdef FS_IOC_FIEMAP	33	# ifdef FS_IOC_FIEMAP
31	# include <linux/types.h>	34	# include <linux/types.h>
…		…
103	#define expect_false(expr) expect ((expr) != 0, 0)	106	#define expect_false(expr) expect ((expr) != 0, 0)
104	#define expect_true(expr) expect ((expr) != 0, 1)	107	#define expect_true(expr) expect ((expr) != 0, 1)
105		108
106	/*****************************************************************************/	109	/*****************************************************************************/
107		110
		111	#include "libeio/config.h"
		112
		113	#include "schmorp.h"
		114
		115	#if HAVE_EVENTFD
		116	# include <sys/eventfd.h>
		117	#endif
		118
		119	#if HAVE_TIMERFD
		120	# include <sys/timerfd.h>
		121	#endif
		122
		123	#if HAVE_RLIMITS
		124	#include <sys/time.h>
		125	#include <sys/resource.h>
		126	#endif
		127
108	typedef SV SV8; /* byte-sv, used for argument-checking */	128	typedef SV SV8; /* byte-sv, used for argument-checking */
109	typedef int aio_rfd; /* read file desriptor */	129	typedef int aio_rfd; /* read file desriptor */
110	typedef int aio_wfd; /* write file descriptor */	130	typedef int aio_wfd; /* write file descriptor */
111		131
112	static HV aio_stash, aio_req_stash, aio_grp_stash, aio_wd_stash;	132	static HV aio_stash, aio_req_stash, aio_grp_stash, aio_wd_stash;
…		…
118	STRLEN stroffset; \	138	STRLEN stroffset; \
119	SV *self;	139	SV *self;
120		140
121	#define EIO_NO_WRAPPERS 1	141	#define EIO_NO_WRAPPERS 1
122		142
123	#include "libeio/config.h"
124	#include "libeio/eio.h"	143	#include "libeio/eio.h"
125		144
126	static int req_invoke (eio_req *req);	145	static int req_invoke (eio_req *req);
127	#define EIO_FINISH(req) req_invoke (req)	146	#define EIO_FINISH(req) req_invoke (req)
128	static void req_destroy (eio_req *grp);	147	static void req_destroy (eio_req *grp);
…		…
144	# else	163	# else
145	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */	164	# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
146	# endif	165	# endif
147	#endif	166	#endif
148		167
		168	#ifndef makedev
		169	# define makedev(maj,min) (((maj) << 8) \| (min))
		170	#endif
		171	#ifndef major
		172	# define major(dev) ((dev) >> 8)
		173	#endif
		174	#ifndef minor
		175	# define minor(dev) ((dev) & 0xff)
		176	#endif
		177
		178	#if PAGESIZE <= 0
		179	# define PAGESIZE sysconf (_SC_PAGESIZE)
		180	#endif
		181
		182	/*****************************************************************************/
		183
		184	#if !_POSIX_MAPPED_FILES
		185	# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
		186	# define munmap(addr,length) EIO_ENOSYS ()
		187	#endif
		188
		189	#if !_POSIX_MEMORY_PROTECTION
		190	# define mprotect(addr,len,prot) EIO_ENOSYS ()
		191	#endif
		192
		193	#if !MREMAP_MAYMOVE
		194	# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
		195	#endif
		196
		197	#define FOREIGN_MAGIC PERL_MAGIC_ext
		198
		199	static int ecb_cold
		200	mmap_free (pTHX_ SV sv, MAGIC mg)
		201	{
		202	int old_errno = errno;
		203	munmap (mg->mg_ptr, (size_t)mg->mg_obj);
		204	errno = old_errno;
		205
		206	mg->mg_obj = 0; /* just in case */
		207
		208	SvREADONLY_off (sv);
		209
		210	if (SvPVX (sv) != mg->mg_ptr)
		211	croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
		212
		213	SvCUR_set (sv, 0);
		214	SvPVX (sv) = 0;
		215	SvOK_off (sv);
		216
		217	return 0;
		218	}
		219
		220	static MGVTBL mmap_vtbl = {
		221	0, 0, 0, 0, mmap_free
		222	};
		223
		224	static int ecb_cold
		225	sysfree_free (pTHX_ SV sv, MAGIC mg)
		226	{
		227	free (mg->mg_ptr);
		228	mg->mg_obj = 0; /* just in case */
		229
		230	SvREADONLY_off (sv);
		231
		232	if (SvPVX (sv) != mg->mg_ptr)
		233	croak ("ERROR: IO::AIO mapped scalar changed location, detected");
		234
		235	SvCUR_set (sv, 0);
		236	SvPVX (sv) = 0;
		237	SvOK_off (sv);
		238
		239	return 0;
		240	}
		241
		242	static MGVTBL sysfree_vtbl = {
		243	0, 0, 0, 0, sysfree_free
		244	};
		245
		246	/*****************************************************************************/
		247
		248	/* helper: set scalar to foreign ptr with custom free */
		249	static void
		250	sv_set_foreign (SV sv, const MGVTBL const vtbl, void *addr, IV length)
		251	{
		252	sv_force_normal (sv);
		253
		254	/* we store the length in mg_obj, as namlen is I32 :/ */
		255	sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
		256	->mg_obj = (SV *)length;
		257
		258	SvUPGRADE (sv, SVt_PV); /* nop... */
		259
		260	if (SvLEN (sv))
		261	Safefree (SvPVX (sv));
		262
		263	SvPVX (sv) = (char *)addr;
		264	SvCUR_set (sv, length);
		265	SvLEN_set (sv, 0);
		266	SvPOK_only (sv);
		267	}
		268
		269	static void
		270	sv_clear_foreign (SV *sv)
		271	{
		272	/* todo: iterate over magic and only free ours, but of course */
		273	/* the perl5porters will call that (correct) behaviour buggy */
		274	sv_unmagic (sv, FOREIGN_MAGIC);
		275	}
		276
		277	/*****************************************************************************/
		278
149	/* defines all sorts of constants to 0 unless they are already defined */	279	/* defines all sorts of constants to 0 unless they are already defined */
150	/* also provides const_iv_ and const_niv_ macros for them */	280	/* also provides const_iv_ and const_niv_ macros for them */
151	#include "def0.h"	281	#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		282
167	/*****************************************************************************/	283	/*****************************************************************************/
168		284
169	static void	285	static void
170	fiemap (eio_req *req)	286	fiemap (eio_req *req)
…		…
590	SvSETMAGIC (req->sv2);	706	SvSETMAGIC (req->sv2);
591	PUSHs (sv_result);	707	PUSHs (sv_result);
592	}	708	}
593	break;	709	break;
594		710
		711	case EIO_SLURP:
		712	{
		713	if (req->result >= 0)
		714	{
		715	/* if length was originally not known, we steal the malloc'ed memory */
		716	if (req->flags & EIO_FLAG_PTR2_FREE)
		717	{
		718	req->flags &= ~EIO_FLAG_PTR2_FREE;
		719	sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
		720	}
		721	else
		722	{
		723	SvCUR_set (req->sv2, req->result);
		724	*SvEND (req->sv2) = 0;
		725	SvPOK_only (req->sv2);
		726	}
		727
		728	SvSETMAGIC (req->sv2);
		729	}
		730
		731	PUSHs (sv_result);
		732	}
		733	break;
		734
595	case EIO_CUSTOM:	735	case EIO_CUSTOM:
596	if (req->feed == fiemap)	736	if (req->feed == fiemap)
597	{	737	{
598	#if HAVE_FIEMAP	738	#if HAVE_FIEMAP
599	if (!req->result)	739	if (!req->result)
…		…
704	{	844	{
705	while (eio_nreqs ())	845	while (eio_nreqs ())
706	{	846	{
707	int size;	847	int size;
708		848
709	X_LOCK (reslock);	849	X_LOCK (EIO_POOL->reslock);
710	size = EIO_POOL->res_queue.size;	850	size = EIO_POOL->res_queue.size;
711	X_UNLOCK (reslock);	851	X_UNLOCK (EIO_POOL->reslock);
712		852
713	if (size)	853	if (size)
714	return;	854	return;
715		855
716	etp_maybe_start_thread (EIO_POOL);	856	etp_maybe_start_thread (EIO_POOL);
…		…
742	create_respipe ();	882	create_respipe ();
743		883
744	if (eio_init (want_poll, done_poll) < 0)	884	if (eio_init (want_poll, done_poll) < 0)
745	croak ("IO::AIO: unable to initialise eio library");	885	croak ("IO::AIO: unable to initialise eio library");
746	}	886	}
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		887
786	/*****************************************************************************/	888	/*****************************************************************************/
787		889
788	static SV *	890	static SV *
789	get_cb (SV *cb_sv)	891	get_cb (SV *cb_sv)
…		…
885	req_set_path1 (req, fh_or_path);	987	req_set_path1 (req, fh_or_path);
886	break;	988	break;
887	}	989	}
888	}	990	}
889		991
		992	/*****************************************************************************/
		993
		994	static void
		995	ts_set (struct timespec *ts, NV value)
		996	{
		997	ts->tv_sec = value;
		998	ts->tv_nsec = (value - ts->tv_sec) * 1e9;
		999	}
		1000
		1001	static NV
		1002	ts_get (const struct timespec *ts)
		1003	{
		1004	return ts->tv_sec + ts->tv_nsec * 1e-9;
		1005	}
		1006
		1007	/*****************************************************************************/
		1008
890	XS(boot_IO__AIO) ecb_cold;	1009	XS(boot_IO__AIO) ecb_cold;
891		1010
892	MODULE = IO::AIO PACKAGE = IO::AIO	1011	MODULE = IO::AIO PACKAGE = IO::AIO
893		1012
894	PROTOTYPES: ENABLE	1013	PROTOTYPES: ENABLE
…		…
925	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)	1044	const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
926	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)	1045	const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
927	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)	1046	const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
928		1047
929	/* the second block will be 0 when missing */	1048	/* the second block will be 0 when missing */
		1049	const_iv (O_ACCMODE)
		1050
930	const_iv (O_RDONLY)	1051	const_iv (O_RDONLY)
931	const_iv (O_WRONLY)	1052	const_iv (O_WRONLY)
932	const_iv (O_RDWR)	1053	const_iv (O_RDWR)
933	const_iv (O_CREAT)	1054	const_iv (O_CREAT)
934	const_iv (O_TRUNC)	1055	const_iv (O_TRUNC)
…		…
985	const_iv (MAP_SHARED)	1106	const_iv (MAP_SHARED)
986	const_iv (MAP_FIXED)	1107	const_iv (MAP_FIXED)
987	const_iv (MAP_ANONYMOUS)	1108	const_iv (MAP_ANONYMOUS)
988		1109
989	/* linuxish */	1110	/* linuxish */
990	const_iv (MAP_HUGETLB)
991	const_iv (MAP_LOCKED)	1111	const_iv (MAP_LOCKED)
992	const_iv (MAP_NORESERVE)	1112	const_iv (MAP_NORESERVE)
993	const_iv (MAP_POPULATE)	1113	const_iv (MAP_POPULATE)
994	const_iv (MAP_NONBLOCK)	1114	const_iv (MAP_NONBLOCK)
995	const_iv (MAP_GROWSDOWN)	1115	const_iv (MAP_GROWSDOWN)
996	const_iv (MAP_32BIT)	1116	const_iv (MAP_32BIT)
997	const_iv (MAP_HUGETLB)	1117	const_iv (MAP_HUGETLB)
998	const_iv (MAP_STACK)	1118	const_iv (MAP_STACK)
		1119
		1120	const_iv (MREMAP_MAYMOVE)
		1121	const_iv (MREMAP_FIXED)
		1122
		1123	const_iv (F_DUPFD_CLOEXEC)
		1124
		1125	const_iv (F_OFD_GETLK)
		1126	const_iv (F_OFD_SETLK)
		1127	const_iv (F_OFD_GETLKW)
		1128
		1129	const_iv (FIFREEZE)
		1130	const_iv (FITHAW)
		1131	const_iv (FITRIM)
		1132	const_iv (FICLONE)
		1133	const_iv (FICLONERANGE)
		1134	const_iv (FIDEDUPERANGE)
		1135
		1136	const_iv (FS_IOC_GETFLAGS)
		1137	const_iv (FS_IOC_SETFLAGS)
		1138	const_iv (FS_IOC_GETVERSION)
		1139	const_iv (FS_IOC_SETVERSION)
		1140	const_iv (FS_IOC_FIEMAP)
		1141	const_iv (FS_IOC_FSGETXATTR)
		1142	const_iv (FS_IOC_FSSETXATTR)
		1143	const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
		1144	const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
		1145	const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
		1146
		1147	const_iv (FS_KEY_DESCRIPTOR_SIZE)
		1148
		1149	const_iv (FS_SECRM_FL)
		1150	const_iv (FS_UNRM_FL)
		1151	const_iv (FS_COMPR_FL)
		1152	const_iv (FS_SYNC_FL)
		1153	const_iv (FS_IMMUTABLE_FL)
		1154	const_iv (FS_APPEND_FL)
		1155	const_iv (FS_NODUMP_FL)
		1156	const_iv (FS_NOATIME_FL)
		1157	const_iv (FS_DIRTY_FL)
		1158	const_iv (FS_COMPRBLK_FL)
		1159	const_iv (FS_NOCOMP_FL)
		1160	const_iv (FS_ENCRYPT_FL)
		1161	const_iv (FS_BTREE_FL)
		1162	const_iv (FS_INDEX_FL)
		1163	const_iv (FS_JOURNAL_DATA_FL)
		1164	const_iv (FS_NOTAIL_FL)
		1165	const_iv (FS_DIRSYNC_FL)
		1166	const_iv (FS_TOPDIR_FL)
		1167	const_iv (FS_FL_USER_MODIFIABLE)
		1168
		1169	const_iv (FS_XFLAG_REALTIME)
		1170	const_iv (FS_XFLAG_PREALLOC)
		1171	const_iv (FS_XFLAG_IMMUTABLE)
		1172	const_iv (FS_XFLAG_APPEND)
		1173	const_iv (FS_XFLAG_SYNC)
		1174	const_iv (FS_XFLAG_NOATIME)
		1175	const_iv (FS_XFLAG_NODUMP)
		1176	const_iv (FS_XFLAG_RTINHERIT)
		1177	const_iv (FS_XFLAG_PROJINHERIT)
		1178	const_iv (FS_XFLAG_NOSYMLINKS)
		1179	const_iv (FS_XFLAG_EXTSIZE)
		1180	const_iv (FS_XFLAG_EXTSZINHERIT)
		1181	const_iv (FS_XFLAG_NODEFRAG)
		1182	const_iv (FS_XFLAG_FILESTREAM)
		1183	const_iv (FS_XFLAG_DAX)
		1184	const_iv (FS_XFLAG_HASATTR)
999		1185
1000	const_iv (FIEMAP_FLAG_SYNC)	1186	const_iv (FIEMAP_FLAG_SYNC)
1001	const_iv (FIEMAP_FLAG_XATTR)	1187	const_iv (FIEMAP_FLAG_XATTR)
1002	const_iv (FIEMAP_FLAGS_COMPAT)	1188	const_iv (FIEMAP_FLAGS_COMPAT)
1003	const_iv (FIEMAP_EXTENT_LAST)	1189	const_iv (FIEMAP_EXTENT_LAST)
…		…
1015	const_iv (SPLICE_F_MOVE)	1201	const_iv (SPLICE_F_MOVE)
1016	const_iv (SPLICE_F_NONBLOCK)	1202	const_iv (SPLICE_F_NONBLOCK)
1017	const_iv (SPLICE_F_MORE)	1203	const_iv (SPLICE_F_MORE)
1018	const_iv (SPLICE_F_GIFT)	1204	const_iv (SPLICE_F_GIFT)
1019		1205
		1206	const_iv (EFD_CLOEXEC)
		1207	const_iv (EFD_NONBLOCK)
		1208	const_iv (EFD_SEMAPHORE)
		1209
		1210	const_iv (CLOCK_REALTIME)
		1211	const_iv (CLOCK_MONOTONIC)
		1212	const_iv (CLOCK_BOOTTIME)
		1213	const_iv (CLOCK_REALTIME_ALARM)
		1214	const_iv (CLOCK_BOOTTIME_ALARM)
		1215
		1216	const_iv (TFD_NONBLOCK)
		1217	const_iv (TFD_CLOEXEC)
		1218
		1219	const_iv (TFD_TIMER_ABSTIME)
		1220	const_iv (TFD_TIMER_CANCEL_ON_SET)
		1221
1020	/* these are libeio constants, and are independent of gendef0 */	1222	/* these are libeio constants, and are independent of gendef0 */
1021	const_eio (SEEK_SET)	1223	const_eio (SEEK_SET)
1022	const_eio (SEEK_CUR)	1224	const_eio (SEEK_CUR)
1023	const_eio (SEEK_END)	1225	const_eio (SEEK_END)
1024		1226
…		…
1037		1239
1038	const_eio (FALLOC_FL_KEEP_SIZE)	1240	const_eio (FALLOC_FL_KEEP_SIZE)
1039	const_eio (FALLOC_FL_PUNCH_HOLE)	1241	const_eio (FALLOC_FL_PUNCH_HOLE)
1040	const_eio (FALLOC_FL_COLLAPSE_RANGE)	1242	const_eio (FALLOC_FL_COLLAPSE_RANGE)
1041	const_eio (FALLOC_FL_ZERO_RANGE)	1243	const_eio (FALLOC_FL_ZERO_RANGE)
		1244	const_eio (FALLOC_FL_INSERT_RANGE)
		1245	const_eio (FALLOC_FL_UNSHARE_RANGE)
		1246
		1247	const_eio (RENAME_NOREPLACE)
		1248	const_eio (RENAME_EXCHANGE)
		1249	const_eio (RENAME_WHITEOUT)
1042		1250
1043	const_eio (READDIR_DENTS)	1251	const_eio (READDIR_DENTS)
1044	const_eio (READDIR_DIRS_FIRST)	1252	const_eio (READDIR_DIRS_FIRST)
1045	const_eio (READDIR_STAT_ORDER)	1253	const_eio (READDIR_STAT_ORDER)
1046	const_eio (READDIR_FOUND_UNKNOWN)	1254	const_eio (READDIR_FOUND_UNKNOWN)
…		…
1297	REQ_SEND;	1505	REQ_SEND;
1298	}	1506	}
1299	}	1507	}
1300		1508
1301	void	1509	void
		1510	aio_ioctl (SV fh, unsigned long request, SV8 arg, SV *callback = &PL_sv_undef)
		1511	ALIAS:
		1512	aio_ioctl = EIO_IOCTL
		1513	aio_fcntl = EIO_FCNTL
		1514	PPCODE:
		1515	{
		1516	int fd = s_fileno_croak (fh, 0);
		1517	char *svptr;
		1518
		1519	if (SvPOK (arg) \|\| !SvNIOK (arg))
		1520	{
		1521	STRLEN svlen;
		1522	/* perl uses IOCPARM_LEN for fcntl, so we do, too */
		1523	#ifdef IOCPARM_LEN
		1524	STRLEN need = IOCPARM_LEN (request);
		1525	#else
		1526	STRLEN need = 256;
		1527	#endif
		1528
		1529	if (svlen < need)
		1530	svptr = SvGROW (arg, need);
		1531	}
		1532	else
		1533	svptr = (char *)SvIV (arg);
		1534
		1535	{
		1536	dREQ;
		1537
		1538	req->type = ix;
		1539	req->sv1 = newSVsv (fh);
		1540	req->int1 = fd;
		1541	req->int2 = (long)request;
		1542	req->sv2 = SvREFCNT_inc (arg);
		1543	req->ptr2 = svptr;
		1544
		1545	REQ_SEND;
		1546	}
		1547	}
		1548
		1549	void
1302	aio_readlink (SV8 pathname, SV callback = &PL_sv_undef)	1550	aio_readlink (SV8 pathname, SV callback = &PL_sv_undef)
1303	ALIAS:	1551	ALIAS:
1304	aio_readlink = EIO_READLINK	1552	aio_readlink = EIO_READLINK
1305	aio_realpath = EIO_REALPATH	1553	aio_realpath = EIO_REALPATH
1306	PPCODE:	1554	PPCODE:
…		…
1366	UV	1614	UV
1367	major (UV dev)	1615	major (UV dev)
1368	ALIAS:	1616	ALIAS:
1369	minor = 1	1617	minor = 1
1370	CODE:	1618	CODE:
1371	RETVAL = ix ? major (dev) : minor (dev);	1619	RETVAL = ix ? minor (dev) : major (dev);
1372	OUTPUT:	1620	OUTPUT:
1373	RETVAL	1621	RETVAL
1374		1622
1375	UV	1623	UV
1376	makedev (UV maj, UV min)	1624	makedev (UV maj, UV min)
…		…
1493		1741
1494	REQ_SEND;	1742	REQ_SEND;
1495	}	1743	}
1496		1744
1497	void	1745	void
		1746	aio_rename2 (SV8 oldpath, SV8 newpath, int flags = 0, SV *callback = &PL_sv_undef)
		1747	PPCODE:
		1748	{
		1749	eio_wd wd2 = 0;
		1750	dREQ;
		1751
		1752	req->type = EIO_RENAME;
		1753	req_set_path1 (req, oldpath);
		1754	req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
		1755	req->int2 = flags;
		1756	req->int3 = (long)wd2;
		1757
		1758	REQ_SEND;
		1759	}
		1760
		1761	void
1498	aio_mknod (SV8 pathname, int mode, UV dev, SV callback = &PL_sv_undef)	1762	aio_mknod (SV8 pathname, int mode, UV dev, SV callback = &PL_sv_undef)
1499	PPCODE:	1763	PPCODE:
1500	{	1764	{
1501	dREQ;	1765	dREQ;
1502		1766
…		…
1507		1771
1508	REQ_SEND;	1772	REQ_SEND;
1509	}	1773	}
1510		1774
1511	void	1775	void
1512	aio_mtouch (SV8 data, IV offset = 0, SV length = &PL_sv_undef, int flags = 0, SV *callback = &PL_sv_undef)	1776	aio_mtouch (SV8 data, IV offset = 0, SV length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1513	ALIAS:	1777	ALIAS:
1514	aio_mtouch = EIO_MTOUCH	1778	aio_mtouch = EIO_MTOUCH
1515	aio_msync = EIO_MSYNC	1779	aio_msync = EIO_MSYNC
1516	PPCODE:	1780	PPCODE:
1517	{	1781	{
1518	STRLEN svlen;	1782	STRLEN svlen;
1519	char *svptr = SvPVbyte (data, svlen);	1783	char *svptr = SvPVbyte (data, svlen);
1520	UV len = SvUV (length);	1784	UV len = SvUV (length);
		1785
		1786	if (flags < 0)
		1787	flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1521		1788
1522	if (offset < 0)	1789	if (offset < 0)
1523	offset += svlen;	1790	offset += svlen;
1524		1791
1525	if (offset < 0 \|\| offset > svlen)	1792	if (offset < 0 \|\| offset > svlen)
…		…
1601	req->int2 = flags;	1868	req->int2 = flags;
1602	req->int3 = SvOK (count) ? SvIV (count) : -1;	1869	req->int3 = SvOK (count) ? SvIV (count) : -1;
1603	#endif	1870	#endif
1604		1871
1605	REQ_SEND;	1872	REQ_SEND;
		1873	}
		1874
		1875	void
		1876	aio_slurp (SV pathname, off_t offset, UV length, SV8 data, SV *callback = &PL_sv_undef)
		1877	PPCODE:
		1878	{
		1879	char *svptr = 0;
		1880
		1881	sv_clear_foreign (data);
		1882
		1883	if (length) /* known length, directly read into scalar */
		1884	{
		1885	if (!SvPOK (data) \|\| SvLEN (data) >= SvCUR (data))
		1886	svptr = sv_grow (data, length + 1);
		1887	else if (SvCUR (data) < length)
		1888	croak ("length outside of scalar, and cannot grow");
		1889	else
		1890	svptr = SvPVbyte_nolen (data);
		1891	}
		1892
		1893	{
		1894	dREQ;
		1895
		1896	req->type = EIO_SLURP;
		1897	req_set_path1 (req, pathname);
		1898	req->offs = offset;
		1899	req->size = length;
		1900	req->sv2 = SvREFCNT_inc (data);
		1901	req->ptr2 = svptr;
		1902
		1903	if (!SvREADONLY (data))
		1904	{
		1905	SvREADONLY_on (data);
		1906	req->flags \|= FLAG_SV2_RO_OFF;
		1907	}
		1908
		1909	REQ_SEND;
		1910	}
1606	}	1911	}
1607		1912
1608	void	1913	void
1609	aio_busy (double delay, SV *callback = &PL_sv_undef)	1914	aio_busy (double delay, SV *callback = &PL_sv_undef)
1610	PPCODE:	1915	PPCODE:
…		…
1747	RETVAL	2052	RETVAL
1748		2053
1749	void	2054	void
1750	mmap (SV scalar, STRLEN length, int prot, int flags, SV fh = &PL_sv_undef, off_t offset = 0)	2055	mmap (SV scalar, STRLEN length, int prot, int flags, SV fh = &PL_sv_undef, off_t offset = 0)
1751	PPCODE:	2056	PPCODE:
1752	sv_unmagic (scalar, MMAP_MAGIC);	2057	sv_clear_foreign (scalar);
1753	{	2058	{
1754	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;	2059	int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1755	void addr = (void )mmap (0, length, prot, flags, fd, offset);	2060	void addr = (void )mmap (0, length, prot, flags, fd, offset);
1756	if (addr == (void *)-1)	2061	if (addr == (void *)-1)
1757	XSRETURN_NO;	2062	XSRETURN_NO;
1758		2063
1759	sv_force_normal (scalar);	2064	sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1760
1761	/* we store the length in mg_obj, as namlen is I32 :/ */
1762	sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1763	->mg_obj = (SV *)length;
1764
1765	SvUPGRADE (scalar, SVt_PV); /* nop... */
1766		2065
1767	if (!(prot & PROT_WRITE))	2066	if (!(prot & PROT_WRITE))
1768	SvREADONLY_on (scalar);	2067	SvREADONLY_on (scalar);
1769		2068
1770	if (SvLEN (scalar))
1771	Safefree (SvPVX (scalar));
1772
1773	SvPVX (scalar) = (char *)addr;
1774	SvCUR_set (scalar, length);
1775	SvLEN_set (scalar, 0);
1776	SvPOK_only (scalar);
1777
1778	XSRETURN_YES;	2069	XSRETURN_YES;
1779	}	2070	}
1780		2071
1781	void	2072	void
1782	munmap (SV *scalar)	2073	munmap (SV *scalar)
1783	CODE:	2074	CODE:
1784	sv_unmagic (scalar, MMAP_MAGIC);	2075	sv_clear_foreign (scalar);
		2076
		2077	SV *
		2078	mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
		2079	CODE:
		2080	{
		2081	MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
		2082	void *new;
		2083
		2084	if (!mg \|\| SvPVX (scalar) != mg->mg_ptr)
		2085	croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
		2086
		2087	new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
		2088
		2089	RETVAL = &PL_sv_no;
		2090
		2091	if (new != (void *)-1)
		2092	{
		2093	RETVAL = new == (void *)mg->mg_ptr
		2094	? newSVpvn ("0 but true", 10)
		2095	: &PL_sv_yes;
		2096
		2097	mg->mg_ptr = (char *)new;
		2098	mg->mg_obj = (SV *)new_length;
		2099
		2100	SvPVX (scalar) = mg->mg_ptr;
		2101	SvCUR_set (scalar, new_length);
		2102	}
		2103	}
		2104	OUTPUT:
		2105	RETVAL
1785		2106
1786	int	2107	int
1787	madvise (SV scalar, STRLEN offset = 0, SV length = &PL_sv_undef, IV advice_or_prot)	2108	madvise (SV scalar, STRLEN offset = 0, SV length = &PL_sv_undef, IV advice_or_prot)
1788	ALIAS:	2109	ALIAS:
1789	mprotect = 1	2110	mprotect = 1
…		…
1919	{	2240	{
1920	EXTEND (SP, 2);	2241	EXTEND (SP, 2);
1921	PUSHs (newmortalFH (fd[0], O_RDONLY));	2242	PUSHs (newmortalFH (fd[0], O_RDONLY));
1922	PUSHs (newmortalFH (fd[1], O_WRONLY));	2243	PUSHs (newmortalFH (fd[1], O_WRONLY));
1923	}	2244	}
		2245	}
		2246
		2247	void
		2248	eventfd (unsigned int initval = 0, int flags = 0)
		2249	PPCODE:
		2250	{
		2251	int fd;
		2252	#if HAVE_EVENTFD
		2253	fd = eventfd (initval, flags);
		2254	#else
		2255	fd = (errno = ENOSYS, -1);
		2256	#endif
		2257
		2258	XPUSHs (newmortalFH (fd, O_RDWR));
		2259	}
		2260
		2261	void
		2262	timerfd_create (int clockid, int flags = 0)
		2263	PPCODE:
		2264	{
		2265	int fd;
		2266	#if HAVE_TIMERFD
		2267	fd = timerfd_create (clockid, flags);
		2268	#else
		2269	fd = (errno = ENOSYS, -1);
		2270	#endif
		2271
		2272	XPUSHs (newmortalFH (fd, O_RDWR));
		2273	}
		2274
		2275	void
		2276	timerfd_settime (SV *fh, int flags, NV interval, NV value)
		2277	PPCODE:
		2278	{
		2279	int fd = s_fileno_croak (fh, 0);
		2280	#if HAVE_TIMERFD
		2281	int res;
		2282	struct itimerspec its, ots;
		2283
		2284	ts_set (&its.it_interval, interval);
		2285	ts_set (&its.it_value , value);
		2286	res = timerfd_settime (fd, flags, &its, &ots);
		2287
		2288	if (!res)
		2289	{
		2290	EXTEND (SP, 2);
		2291	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2292	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2293	}
		2294	#else
		2295	errno = ENOSYS;
		2296	#endif
		2297	}
		2298
		2299	void
		2300	timerfd_gettime (SV *fh)
		2301	PPCODE:
		2302	{
		2303	int fd = s_fileno_croak (fh, 0);
		2304	#if HAVE_TIMERFD
		2305	int res;
		2306	struct itimerspec ots;
		2307	res = timerfd_gettime (fd, &ots);
		2308
		2309	if (!res)
		2310	{
		2311	EXTEND (SP, 2);
		2312	PUSHs (newSVnv (ts_get (&ots.it_interval)));
		2313	PUSHs (newSVnv (ts_get (&ots.it_value)));
		2314	}
		2315	#else
		2316	errno = ENOSYS;
		2317	#endif
		2318	}
		2319
		2320	UV
		2321	get_fdlimit ()
		2322	CODE:
		2323	#if HAVE_RLIMITS
		2324	struct rlimit rl;
		2325	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2326	XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
		2327	#endif
		2328	XSRETURN_UNDEF;
		2329	OUTPUT:
		2330	RETVAL
		2331
		2332	void
		2333	min_fdlimit (UV limit = 0x7fffffffU)
		2334	CODE:
		2335	{
		2336	#if HAVE_RLIMITS
		2337	struct rlimit rl;
		2338	rlim_t orig_rlim_max;
		2339	UV bit;
		2340
		2341	if (0 != getrlimit (RLIMIT_NOFILE, &rl))
		2342	goto fail;
		2343
		2344	if (rl.rlim_cur == RLIM_INFINITY)
		2345	XSRETURN_YES;
		2346
		2347	orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
		2348
		2349	if (rl.rlim_cur < limit)
		2350	{
		2351	rl.rlim_cur = limit;
		2352
		2353	if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
		2354	rl.rlim_max = rl.rlim_cur;
		2355	}
		2356
		2357	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2358	XSRETURN_YES;
		2359
		2360	if (errno == EPERM)
		2361	{
		2362	/* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
		2363	/* our limit overflows a system-wide limit */
		2364	/* try an adaptive algorithm, but do not lower the hardlimit */
		2365	rl.rlim_max = 0;
		2366	for (bit = 0x40000000U; bit; bit >>= 1)
		2367	{
		2368	rl.rlim_max \|= bit;
		2369	rl.rlim_cur = rl.rlim_max;
		2370
		2371	/* nevr decrease the hard limit */
		2372	if (rl.rlim_max < orig_rlim_max)
		2373	break;
		2374
		2375	if (0 != setrlimit (RLIMIT_NOFILE, &rl))
		2376	rl.rlim_max &= ~bit; /* too high, remove bit again */
		2377	}
		2378
		2379	/* now, raise the soft limit to the max permitted */
		2380	if (0 == getrlimit (RLIMIT_NOFILE, &rl))
		2381	{
		2382	rl.rlim_cur = rl.rlim_max;
		2383	if (0 == setrlimit (RLIMIT_NOFILE, &rl))
		2384	errno = EPERM;
		2385	}
		2386	}
		2387	#endif
		2388	fail:
		2389	XSRETURN_UNDEF;
1924	}	2390	}
1925		2391
1926	void _on_next_submit (SV *cb)	2392	void _on_next_submit (SV *cb)
1927	CODE:	2393	CODE:
1928	SvREFCNT_dec (on_next_submit);	2394	SvREFCNT_dec (on_next_submit);

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+Removed lines
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+Changed lines
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Comparing IO-AIO/AIO.xs (file contents): Revision 1.236 by root, Thu Jun 25 17:40:24 2015 UTC vs. Revision 1.260 by root, Tue Jul 24 04:58:59 2018 UTC

Diff Legend

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.236 by root, Thu Jun 25 17:40:24 2015 UTC vs.
Revision 1.260 by root, Tue Jul 24 04:58:59 2018 UTC