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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.204 by root, Sat Oct 1 10:48:04 2011 UTC vs.
Revision 1.213 by root, Tue Apr 10 05:01:33 2012 UTC

… …
17#include <fcntl.h> 17#include <fcntl.h>
18#include <sched.h> 18#include <sched.h>
19 19
20#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES 20#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
21# include <sys/mman.h> 21# include <sys/mman.h>
22#endif
23
24#if __linux__
25# include <linux/fs.h>
26# ifdef FS_IOC_FIEMAP
27# include <linux/types.h>
28# include <linux/fiemap.h>
29# define HAVE_FIEMAP 1
30# endif
22#endif 31#endif
23 32
24/* perl namespace pollution */ 33/* perl namespace pollution */
25#undef VERSION 34#undef VERSION
26 35
… …
62 #undef dup 71 #undef dup
63 #undef dup2 72 #undef dup2
64 #undef abort 73 #undef abort
65 #undef pipe 74 #undef pipe
66 75
76 #define EIO_STRUCT_STAT struct _stati64
77 #define EIO_STRUCT_STATI64
78
67#else 79#else
68 80
69 #include <sys/time.h> 81 #include <sys/time.h>
70 #include <sys/select.h> 82 #include <sys/select.h>
71 #include <unistd.h> 83 #include <unistd.h>
72 #include <utime.h> 84 #include <utime.h>
73 #include <signal.h> 85 #include <signal.h>
74 86
75#endif
76
77#define EIO_STRUCT_STAT Stat_t 87 #define EIO_STRUCT_STAT Stat_t
78 88
79/* use NV for 32 bit perls as it allows larger offsets */
80#if IVSIZE >= 8
81# define VAL64 IV
82# define SvVAL64 SvIV
83# define newSVval64 newSViv
84#else
85# define VAL64 NV
86# define SvVAL64 SvNV
87# define newSVval64 newSVnv
88#endif 89#endif
89 90
90/*****************************************************************************/ 91/*****************************************************************************/
91 92
92#if __GNUC__ >= 3 93#if __GNUC__ >= 3
… …
123static void req_destroy (eio_req *grp); 124static void req_destroy (eio_req *grp);
124#define EIO_DESTROY(req) req_destroy (req) 125#define EIO_DESTROY(req) req_destroy (req)
125 126
126#include "libeio/eio.c" 127#include "libeio/eio.c"
127 128
128/* Linux/others */
129#ifndef O_ASYNC
130# define O_ASYNC 0
131#endif
132#ifndef O_DIRECT
133# define O_DIRECT 0
134#endif
135#ifndef O_NOATIME
136# define O_NOATIME 0
137#endif
138
139/* POSIX */
140#ifndef O_CLOEXEC
141# define O_CLOEXEC 0
142#endif
143#ifndef O_NOFOLLOW
144# define O_NOFOLLOW 0
145#endif
146#ifndef O_NOCTTY
147# define O_NOCTTY 0
148#endif
149#ifndef O_NONBLOCK
150# define O_NONBLOCK 0
151#endif
152#ifndef O_EXEC
153# define O_EXEC 0
154#endif
155#ifndef O_SEARCH
156# define O_SEARCH 0
157#endif
158#ifndef O_DIRECTORY
159# define O_DIRECTORY 0
160#endif
161#ifndef O_DSYNC
162# define O_DSYNC 0
163#endif
164#ifndef O_RSYNC
165# define O_RSYNC 0
166#endif
167#ifndef O_SYNC
168# define O_SYNC 0
169#endif
170#ifndef O_TTY_INIT
171# define O_TTY_INIT 0
172#endif
173
174#ifndef POSIX_FADV_NORMAL
175# define POSIX_FADV_NORMAL 0
176#endif
177#ifndef POSIX_FADV_SEQUENTIAL
178# define POSIX_FADV_SEQUENTIAL 0
179#endif
180#ifndef POSIX_FADV_RANDOM
181# define POSIX_FADV_RANDOM 0
182#endif
183#ifndef POSIX_FADV_NOREUSE
184# define POSIX_FADV_NOREUSE 0
185#endif
186#ifndef POSIX_FADV_WILLNEED
187# define POSIX_FADV_WILLNEED 0
188#endif
189#ifndef POSIX_FADV_DONTNEED
190# define POSIX_FADV_DONTNEED 0
191#endif
192
193#if !HAVE_POSIX_FADVISE 129#if !HAVE_POSIX_FADVISE
194# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ 130# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
195#endif 131#endif
196 132
197#ifndef POSIX_MADV_NORMAL
198# define POSIX_MADV_NORMAL 0
199#endif
200#ifndef POSIX_MADV_SEQUENTIAL
201# define POSIX_MADV_SEQUENTIAL 0
202#endif
203#ifndef POSIX_MADV_RANDOM
204# define POSIX_MADV_RANDOM 0
205#endif
206#ifndef POSIX_MADV_WILLNEED
207# define POSIX_MADV_WILLNEED 0
208#endif
209#ifndef POSIX_MADV_DONTNEED
210# define POSIX_MADV_DONTNEED 0
211#endif
212
213#if !HAVE_POSIX_MADVISE 133#if !HAVE_POSIX_MADVISE
214# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ 134# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
215#endif
216
217#ifndef PROT_NONE
218# define PROT_NONE 0
219#endif
220#ifndef PROT_READ
221# define PROT_READ 0
222#endif
223#ifndef PROT_WRITE
224# define PROT_READ 0
225#endif
226#ifndef PROT_EXEC
227# define PROT_EXEC 0
228#endif
229
230#ifndef ST_RDONLY
231# define ST_RDONLY 0
232#endif
233#ifndef ST_NOSUID
234# define ST_NOSUID 0
235#endif
236#ifndef ST_NODEV
237# define ST_NODEV 0
238#endif
239#ifndef ST_NOEXEC
240# define ST_NOEXEC 0
241#endif
242#ifndef ST_SYNCHRONOUS
243# define ST_SYNCHRONOUS 0
244#endif
245#ifndef ST_MANDLOCK
246# define ST_MANDLOCK 0
247#endif
248#ifndef ST_WRITE
249# define ST_WRITE 0
250#endif
251#ifndef ST_APPEND
252# define ST_APPEND 0
253#endif
254#ifndef ST_IMMUTABLE
255# define ST_IMMUTABLE 0
256#endif
257#ifndef ST_NOATIME
258# define ST_NOATIME 0
259#endif
260#ifndef ST_NODIRATIME
261# define ST_NODIRATIME 0
262#endif
263#ifndef ST_RELATIME
264# define ST_RELATIME 0
265#endif
266
267#ifndef S_IFIFO
268# define S_IFIFO 0
269#endif
270#ifndef S_IFCHR
271# define S_IFCHR 0
272#endif
273#ifndef S_IFBLK
274# define S_IFBLK 0
275#endif
276#ifndef S_IFLNK
277# define S_IFLNK 0
278#endif
279#ifndef S_IFREG
280# define S_IFREG 0
281#endif
282#ifndef S_IFDIR
283# define S_IFDIR 0
284#endif
285#ifndef S_IFWHT
286# define S_IFWHT 0
287#endif
288#ifndef S_IFSOCK
289# define S_IFSOCK 0
290#endif 135#endif
291 136
292#ifndef MAP_ANONYMOUS 137#ifndef MAP_ANONYMOUS
293# ifdef MAP_ANON 138# ifdef MAP_ANON
294# define MAP_ANONYMOUS MAP_ANON 139# define MAP_ANONYMOUS MAP_ANON
295# else 140# else
296# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 141# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
297# endif 142# endif
298#endif 143#endif
299#ifndef MAP_HUGETLB 144
300# define MAP_HUGETLB 0 145/* defines all sorts of constants to 0 unless they are already defined */
301#endif 146#include "def0.h"
302#ifndef MAP_LOCKED
303# define MAP_LOCKED 0
304#endif
305#ifndef MAP_NORESERVE
306# define MAP_NORESERVE 0
307#endif
308#ifndef MAP_POPULATE
309# define MAP_POPULATE 0
310#endif
311#ifndef MAP_NONBLOCK
312# define MAP_NONBLOCK 0
313#endif
314 147
315#ifndef makedev 148#ifndef makedev
316# define makedev(maj,min) (((maj) << 8) | (min)) 149# define makedev(maj,min) (((maj) << 8) | (min))
317#endif 150#endif
318#ifndef major 151#ifndef major
… …
323#endif 156#endif
324 157
325#ifndef PAGESIZE 158#ifndef PAGESIZE
326# define PAGESIZE sysconf (_SC_PAGESIZE) 159# define PAGESIZE sysconf (_SC_PAGESIZE)
327#endif 160#endif
161
162/*****************************************************************************/
163
164static void
165fiemap (eio_req *req)
166{
167 req->result = -1;
168
169#if HAVE_FIEMAP
170 int count = req->int3;
171
172 /* heuristic: first try with 64 extents if we don't know how many, */
173 /* as most files have (hopefully) fewer than this many extents */
174 /* in fact, most should have <= 2, so maybe the 72 below is probably overkill */
175 if (count < 0)
176 count = 72; /* for what it's worth, 72 extents fit nicely into 4kb */
177
178 for (;;)
179 {
180 struct fiemap *fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
181 errno = ENOMEM;
182 if (!fiemap)
183 return;
184
185 req->ptr1 = fiemap;
186 req->flags |= EIO_FLAG_PTR1_FREE;
187
188 fiemap->fm_start = req->offs;
189 fiemap->fm_length = req->size;
190 fiemap->fm_flags = req->int2;
191 fiemap->fm_extent_count = count;
192
193 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap))
194 return;
195
196 if (req->int3 >= 0)
197 break; /* when not autosizing we are done */
198
199 if (fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST)
200 break; /* autosizing successful, we are done */
201
202 fiemap->fm_flags = req->int2;
203 fiemap->fm_extent_count = 0;
204
205 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap))
206 return;
207
208 count = fiemap->fm_mapped_extents;
209
210 free (fiemap);
211 }
212
213 req->result = 0;
214
215#else
216 errno = ENOSYS;
217#endif
218}
219
220/*****************************************************************************/
328 221
329enum { 222enum {
330 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 223 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
331}; 224};
332 225
… …
635 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 528 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
636 529
637 PUSHs (sv_result); 530 PUSHs (sv_result);
638 break; 531 break;
639 532
533 case EIO_SEEK:
534 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
535 break;
536
640 case EIO_READ: 537 case EIO_READ:
641 { 538 {
642 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 539 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
643 *SvEND (req->sv2) = 0; 540 *SvEND (req->sv2) = 0;
644 SvPOK_only (req->sv2); 541 SvPOK_only (req->sv2);
645 SvSETMAGIC (req->sv2); 542 SvSETMAGIC (req->sv2);
646 PUSHs (sv_result); 543 PUSHs (sv_result);
647 } 544 }
648 break; 545 break;
649 546
547 case EIO_CUSTOM:
548 if (req->feed == fiemap)
549 {
550#if HAVE_FIEMAP
551 if (!req->result)
552 {
553 struct fiemap *fiemap = (struct fiemap *)req->ptr1;
554
555 if (fiemap->fm_extent_count)
556 {
557 AV *av = newAV ();
558 int i;
559
560 while (fiemap->fm_mapped_extents)
561 {
562 struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
563 AV *ext_av = newAV ();
564
565 av_store (ext_av, 3, newSVuv (extent->fe_flags));
566 av_store (ext_av, 2, newSVval64 (extent->fe_length));
567 av_store (ext_av, 1, newSVval64 (extent->fe_physical));
568 av_store (ext_av, 0, newSVval64 (extent->fe_logical));
569
570 av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
571 }
572
573 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
574 }
575 else
576 {
577 SvIV_set (sv_result, fiemap->fm_mapped_extents);
578 PUSHs (sv_result);
579 }
580 }
581#endif
582 }
583 else
584 PUSHs (sv_result);
585 break;
586
650 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ 587 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
651 if (req->result > 0) 588 if (req->result > 0)
652 SvIV_set (sv_result, 0); 589 SvIV_set (sv_result, 0);
653 /* FALLTHROUGH */ 590 /* FALLTHROUGH */
654 591
… …
761} 698}
762 699
763/*****************************************************************************/ 700/*****************************************************************************/
764 701
765#if !_POSIX_MAPPED_FILES 702#if !_POSIX_MAPPED_FILES
766# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1) 703# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
767# define munmap(addr,length) (errno = ENOSYS, -1) 704# define munmap(addr,length) EIO_ENOSYS ()
768#endif 705#endif
769 706
770#if !_POSIX_MEMORY_PROTECTION 707#if !_POSIX_MEMORY_PROTECTION
771# define mprotect(addr,len,prot) (errno = ENOSYS, -1) 708# define mprotect(addr,len,prot) EIO_ENOSYS ()
772# define PROT_NONE 0 709# define PROT_NONE 0
773# define PROT_WRITE 0 710# define PROT_WRITE 0
774# define MAP_PRIVATE 0 711# define MAP_PRIVATE 0
775# define MAP_SHARED 0 712# define MAP_SHARED 0
776# define MAP_FIXED 0 713# define MAP_FIXED 0
… …
864 else 801 else
865 *wd = EIO_INVALID_WD; 802 *wd = EIO_INVALID_WD;
866 } 803 }
867 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash) 804 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
868 { 805 {
869 *wd = SvIVX (rv); 806 *wd = (aio_wd)(long)SvIVX (rv);
870 *wdsv = SvREFCNT_inc_NN (rv); 807 *wdsv = SvREFCNT_inc_NN (rv);
871 *ptr = "."; 808 *ptr = ".";
872 return; /* path set to "." */ 809 return; /* path set to "." */
873 } 810 }
874 else 811 else
875 croak ("IO::AIO: pathname arguments must be specified as strings, an IO::AIO::WD object or a [IO::AIO::WD, path] pair"); 812 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
876 } 813 }
877 814
878 *pathsv = newSVsv (path); 815 *pathsv = newSVsv (path);
879 *ptr = SvPVbyte_nolen (*pathsv); 816 *ptr = SvPVbyte_nolen (*pathsv);
880} 817}
… …
920 IV iv; 857 IV iv;
921 } *civ, const_iv[] = { 858 } *civ, const_iv[] = {
922# define const_niv(name, value) { # name, (IV) value }, 859# define const_niv(name, value) { # name, (IV) value },
923# define const_iv(name) { # name, (IV) name }, 860# define const_iv(name) { # name, (IV) name },
924# define const_eio(name) { # name, (IV) EIO_ ## name }, 861# define const_eio(name) { # name, (IV) EIO_ ## name },
862
863 /* you have to re-run ./gendef0 after adding/Removing any constants here */
864
865 const_iv (ENOSYS)
925 const_iv (EXDEV) 866 const_iv (EXDEV)
926 const_iv (ENOSYS) 867 const_iv (EBADR)
868
927 const_iv (O_RDONLY) 869 const_iv (O_RDONLY)
928 const_iv (O_WRONLY) 870 const_iv (O_WRONLY)
929 const_iv (O_RDWR) 871 const_iv (O_RDWR)
930 const_iv (O_CREAT) 872 const_iv (O_CREAT)
931 const_iv (O_TRUNC) 873 const_iv (O_TRUNC)
… …
999 const_iv (MAP_LOCKED) 941 const_iv (MAP_LOCKED)
1000 const_iv (MAP_NORESERVE) 942 const_iv (MAP_NORESERVE)
1001 const_iv (MAP_POPULATE) 943 const_iv (MAP_POPULATE)
1002 const_iv (MAP_NONBLOCK) 944 const_iv (MAP_NONBLOCK)
1003 945
946 const_iv (FIEMAP_FLAG_SYNC)
947 const_iv (FIEMAP_FLAG_XATTR)
948 const_iv (FIEMAP_FLAGS_COMPAT)
949 const_iv (FIEMAP_EXTENT_LAST)
950 const_iv (FIEMAP_EXTENT_UNKNOWN)
951 const_iv (FIEMAP_EXTENT_DELALLOC)
952 const_iv (FIEMAP_EXTENT_ENCODED)
953 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
954 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
955 const_iv (FIEMAP_EXTENT_DATA_INLINE)
956 const_iv (FIEMAP_EXTENT_DATA_TAIL)
957 const_iv (FIEMAP_EXTENT_UNWRITTEN)
958 const_iv (FIEMAP_EXTENT_MERGED)
959 const_iv (FIEMAP_EXTENT_SHARED)
960
961 const_iv (SPLICE_F_MOVE)
962 const_iv (SPLICE_F_NONBLOCK)
963 const_iv (SPLICE_F_MORE)
964 const_iv (SPLICE_F_GIFT)
965
966 const_iv (SEEK_DATA)
967 const_iv (SEEK_HOLE)
968
969 /* libeio constants */
970 const_eio (SEEK_SET)
971 const_eio (SEEK_CUR)
972 const_eio (SEEK_END)
973
1004 const_eio (MCL_FUTURE) 974 const_eio (MCL_FUTURE)
1005 const_eio (MCL_CURRENT) 975 const_eio (MCL_CURRENT)
1006 976
1007 const_eio (MS_ASYNC) 977 const_eio (MS_ASYNC)
1008 const_eio (MS_INVALIDATE) 978 const_eio (MS_INVALIDATE)
… …
1130 1100
1131 req->type = ix; 1101 req->type = ix;
1132 req->sv1 = newSVsv (fh); 1102 req->sv1 = newSVsv (fh);
1133 req->int1 = fd; 1103 req->int1 = fd;
1134 1104
1135 REQ_SEND (req); 1105 REQ_SEND;
1136} 1106}
1137 1107
1138void 1108void
1139aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1109aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
1140 PPCODE: 1110 PPCODE:
… …
1147 req->int1 = fd; 1117 req->int1 = fd;
1148 req->offs = offset; 1118 req->offs = offset;
1149 req->size = nbytes; 1119 req->size = nbytes;
1150 req->int2 = flags; 1120 req->int2 = flags;
1151 1121
1152 REQ_SEND (req); 1122 REQ_SEND;
1153} 1123}
1154 1124
1155void 1125void
1156aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef) 1126aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
1157 PPCODE: 1127 PPCODE:
… …
1164 req->int1 = fd; 1134 req->int1 = fd;
1165 req->int2 = mode; 1135 req->int2 = mode;
1166 req->offs = offset; 1136 req->offs = offset;
1167 req->size = len; 1137 req->size = len;
1168 1138
1169 REQ_SEND (req); 1139 REQ_SEND;
1170} 1140}
1171 1141
1172void 1142void
1173aio_close (SV *fh, SV *callback=&PL_sv_undef) 1143aio_close (SV *fh, SV *callback=&PL_sv_undef)
1174 PPCODE: 1144 PPCODE:
… …
1198 req->type = EIO_DUP2; 1168 req->type = EIO_DUP2;
1199 req->int1 = close_fd; 1169 req->int1 = close_fd;
1200 req->sv2 = newSVsv (fh); 1170 req->sv2 = newSVsv (fh);
1201 req->int2 = fd; 1171 req->int2 = fd;
1202 1172
1203 REQ_SEND (req); 1173 REQ_SEND;
1174}
1175
1176void
1177aio_seek (SV *fh, SV *offset, int whence, SV *callback=&PL_sv_undef)
1178 PPCODE:
1179{
1180 int fd = s_fileno_croak (fh, 0);
1181 dREQ;
1182
1183 req->type = EIO_SEEK;
1184 req->sv1 = newSVsv (fh);
1185 req->int1 = fd;
1186 req->offs = SvVAL64 (offset);
1187 req->int2 = whence;
1188
1189 REQ_SEND;
1204} 1190}
1205 1191
1206void 1192void
1207aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1193aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
1208 ALIAS: 1194 ALIAS:
… …
1439 aio_link = EIO_LINK 1425 aio_link = EIO_LINK
1440 aio_symlink = EIO_SYMLINK 1426 aio_symlink = EIO_SYMLINK
1441 aio_rename = EIO_RENAME 1427 aio_rename = EIO_RENAME
1442 PPCODE: 1428 PPCODE:
1443{ 1429{
1430 eio_wd wd2 = 0;
1444 dREQ; 1431 dREQ;
1445 eio_wd wd2 = 0;
1446 1432
1447 req->type = ix; 1433 req->type = ix;
1448 req_set_path1 (req, oldpath); 1434 req_set_path1 (req, oldpath);
1449 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); 1435 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1450 req->int3 = (long)wd2; 1436 req->int3 = (long)wd2;
… …
1536 1522
1537 req->type = EIO_MLOCKALL; 1523 req->type = EIO_MLOCKALL;
1538 req->int1 = flags; 1524 req->int1 = flags;
1539 1525
1540 REQ_SEND; 1526 REQ_SEND;
1527}
1528
1529void
1530aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback=&PL_sv_undef)
1531 PPCODE:
1532{
1533 int fd = s_fileno_croak (fh, 0);
1534 dREQ;
1535
1536 req->type = EIO_CUSTOM;
1537 req->sv1 = newSVsv (fh);
1538 req->int1 = fd;
1539
1540 req->feed = fiemap;
1541#if HAVE_FIEMAP
1542 /* keep our fingers crossed that the next two types are 64 bit */
1543 req->offs = start;
1544 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
1545 req->int2 = flags;
1546 req->int3 = SvOK (count) ? SvIV (count) : -1;
1547#endif
1548
1549 REQ_SEND;
1541} 1550}
1542 1551
1543void 1552void
1544aio_busy (double delay, SV *callback=&PL_sv_undef) 1553aio_busy (double delay, SV *callback=&PL_sv_undef)
1545 PPCODE: 1554 PPCODE:
… …
1766 addr = (void *)(((intptr_t)addr) + offset); 1775 addr = (void *)(((intptr_t)addr) + offset);
1767 eio_page_align (&addr, &len); 1776 eio_page_align (&addr, &len);
1768#if _POSIX_MEMLOCK_RANGE 1777#if _POSIX_MEMLOCK_RANGE
1769 RETVAL = munlock (addr, len); 1778 RETVAL = munlock (addr, len);
1770#else 1779#else
1771 RETVAL = ((errno = ENOSYS), -1); 1780 RETVAL = EIO_ENOSYS ();
1772#endif 1781#endif
1773} 1782}
1774 OUTPUT: 1783 OUTPUT:
1775 RETVAL 1784 RETVAL
1776 1785
… …
1778munlockall () 1787munlockall ()
1779 CODE: 1788 CODE:
1780#if _POSIX_MEMLOCK 1789#if _POSIX_MEMLOCK
1781 munlockall (); 1790 munlockall ();
1782#else 1791#else
1783 RETVAL = -1; 1792 RETVAL = EIO_ENOSYS ();
1784 errno = ENOSYS;
1785#endif 1793#endif
1786 OUTPUT: 1794 OUTPUT:
1795 RETVAL
1796
1797int
1798splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
1799 CODE:
1800{
1801#if HAVE_LINUX_SPLICE
1802 loff_t off_in_, off_out_;
1803 RETVAL = splice (
1804 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
1805 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
1806 length, flags
1807 );
1808#else
1809 RETVAL = EIO_ENOSYS ();
1810#endif
1811}
1812 OUTPUT:
1813 RETVAL
1814
1815int
1816tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
1817 CODE:
1818#if HAVE_LINUX_SPLICE
1819 RETVAL = tee (rfh, wfh, length, flags);
1820#else
1821 RETVAL = EIO_ENOSYS ();
1822#endif
1823 OUTPUT:
1787 RETVAL 1824 RETVAL
1788 1825
1789void _on_next_submit (SV *cb) 1826void _on_next_submit (SV *cb)
1790 CODE: 1827 CODE:
1791 SvREFCNT_dec (on_next_submit); 1828 SvREFCNT_dec (on_next_submit);

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