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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.207 by root, Fri Dec 30 07:40:54 2011 UTC vs.
Revision 1.219 by root, Fri Jul 27 18:43:25 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 72 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 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_mapped_extents < count)
200 /* either autosizing succeeded,
201 * or the file had no extents
202 * or we luckily had enough space */
203 break;
204
205 /* some kernels overwrite fm_length, so just reset everything */
206 fiemap->fm_start = req->offs;
207 fiemap->fm_length = req->size;
208 fiemap->fm_flags = req->int2;
209 fiemap->fm_extent_count = 0;
210
211 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap))
212 return;
213
214 /* to work around a kernel bug, we allocate one more */
215 count = fiemap->fm_mapped_extents + 1;
216
217 free (fiemap);
218 }
219
220 req->result = 0;
221
222#else
223 errno = ENOSYS;
224#endif
225}
226
227/*****************************************************************************/
328 228
329enum { 229enum {
330 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 230 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
331}; 231};
332 232
… …
635 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 535 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
636 536
637 PUSHs (sv_result); 537 PUSHs (sv_result);
638 break; 538 break;
639 539
540 case EIO_SEEK:
541 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
542 break;
543
640 case EIO_READ: 544 case EIO_READ:
641 { 545 {
642 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 546 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
643 *SvEND (req->sv2) = 0; 547 *SvEND (req->sv2) = 0;
644 SvPOK_only (req->sv2); 548 SvPOK_only (req->sv2);
645 SvSETMAGIC (req->sv2); 549 SvSETMAGIC (req->sv2);
646 PUSHs (sv_result); 550 PUSHs (sv_result);
647 } 551 }
648 break; 552 break;
649 553
554 case EIO_CUSTOM:
555 if (req->feed == fiemap)
556 {
557#if HAVE_FIEMAP
558 if (!req->result)
559 {
560 struct fiemap *fiemap = (struct fiemap *)req->ptr1;
561
562 if (fiemap->fm_extent_count)
563 {
564 AV *av = newAV ();
565 int i;
566
567 while (fiemap->fm_mapped_extents)
568 {
569 struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
570 AV *ext_av = newAV ();
571
572 av_store (ext_av, 3, newSVuv (extent->fe_flags));
573 av_store (ext_av, 2, newSVval64 (extent->fe_length));
574 av_store (ext_av, 1, newSVval64 (extent->fe_physical));
575 av_store (ext_av, 0, newSVval64 (extent->fe_logical));
576
577 av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
578 }
579
580 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
581 }
582 else
583 {
584 SvIV_set (sv_result, fiemap->fm_mapped_extents);
585 PUSHs (sv_result);
586 }
587 }
588#endif
589 }
590 else
591 PUSHs (sv_result);
592 break;
593
650 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ 594 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
651 if (req->result > 0) 595 if (req->result > 0)
652 SvIV_set (sv_result, 0); 596 SvIV_set (sv_result, 0);
653 /* FALLTHROUGH */ 597 /* FALLTHROUGH */
654 598
… …
761} 705}
762 706
763/*****************************************************************************/ 707/*****************************************************************************/
764 708
765#if !_POSIX_MAPPED_FILES 709#if !_POSIX_MAPPED_FILES
766# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1) 710# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
767# define munmap(addr,length) (errno = ENOSYS, -1) 711# define munmap(addr,length) EIO_ENOSYS ()
768#endif 712#endif
769 713
770#if !_POSIX_MEMORY_PROTECTION 714#if !_POSIX_MEMORY_PROTECTION
771# define mprotect(addr,len,prot) (errno = ENOSYS, -1) 715# define mprotect(addr,len,prot) EIO_ENOSYS ()
772# define PROT_NONE 0 716# define PROT_NONE 0
773# define PROT_WRITE 0 717# define PROT_WRITE 0
774# define MAP_PRIVATE 0 718# define MAP_PRIVATE 0
775# define MAP_SHARED 0 719# define MAP_SHARED 0
776# define MAP_FIXED 0 720# define MAP_FIXED 0
… …
920 IV iv; 864 IV iv;
921 } *civ, const_iv[] = { 865 } *civ, const_iv[] = {
922# define const_niv(name, value) { # name, (IV) value }, 866# define const_niv(name, value) { # name, (IV) value },
923# define const_iv(name) { # name, (IV) name }, 867# define const_iv(name) { # name, (IV) name },
924# define const_eio(name) { # name, (IV) EIO_ ## name }, 868# define const_eio(name) { # name, (IV) EIO_ ## name },
869
870 /* you have to re-run ./gendef0 after adding/Removing any constants here */
871
872 const_iv (ENOSYS)
925 const_iv (EXDEV) 873 const_iv (EXDEV)
926 const_iv (ENOSYS) 874 const_iv (EBADR)
875
927 const_iv (O_RDONLY) 876 const_iv (O_RDONLY)
928 const_iv (O_WRONLY) 877 const_iv (O_WRONLY)
929 const_iv (O_RDWR) 878 const_iv (O_RDWR)
930 const_iv (O_CREAT) 879 const_iv (O_CREAT)
931 const_iv (O_TRUNC) 880 const_iv (O_TRUNC)
… …
999 const_iv (MAP_LOCKED) 948 const_iv (MAP_LOCKED)
1000 const_iv (MAP_NORESERVE) 949 const_iv (MAP_NORESERVE)
1001 const_iv (MAP_POPULATE) 950 const_iv (MAP_POPULATE)
1002 const_iv (MAP_NONBLOCK) 951 const_iv (MAP_NONBLOCK)
1003 952
953 const_iv (FIEMAP_FLAG_SYNC)
954 const_iv (FIEMAP_FLAG_XATTR)
955 const_iv (FIEMAP_FLAGS_COMPAT)
956 const_iv (FIEMAP_EXTENT_LAST)
957 const_iv (FIEMAP_EXTENT_UNKNOWN)
958 const_iv (FIEMAP_EXTENT_DELALLOC)
959 const_iv (FIEMAP_EXTENT_ENCODED)
960 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
961 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
962 const_iv (FIEMAP_EXTENT_DATA_INLINE)
963 const_iv (FIEMAP_EXTENT_DATA_TAIL)
964 const_iv (FIEMAP_EXTENT_UNWRITTEN)
965 const_iv (FIEMAP_EXTENT_MERGED)
966 const_iv (FIEMAP_EXTENT_SHARED)
967
968 const_iv (SPLICE_F_MOVE)
969 const_iv (SPLICE_F_NONBLOCK)
970 const_iv (SPLICE_F_MORE)
971 const_iv (SPLICE_F_GIFT)
972
973 const_iv (SEEK_DATA)
974 const_iv (SEEK_HOLE)
975
976 /* libeio constants */
977 const_eio (SEEK_SET)
978 const_eio (SEEK_CUR)
979 const_eio (SEEK_END)
980
1004 const_eio (MCL_FUTURE) 981 const_eio (MCL_FUTURE)
1005 const_eio (MCL_CURRENT) 982 const_eio (MCL_CURRENT)
1006 983
1007 const_eio (MS_ASYNC) 984 const_eio (MS_ASYNC)
1008 const_eio (MS_INVALIDATE) 985 const_eio (MS_INVALIDATE)
… …
1013 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 990 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
1014 const_eio (SYNC_FILE_RANGE_WRITE) 991 const_eio (SYNC_FILE_RANGE_WRITE)
1015 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 992 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1016 993
1017 const_eio (FALLOC_FL_KEEP_SIZE) 994 const_eio (FALLOC_FL_KEEP_SIZE)
995 const_eio (FALLOC_FL_PUNCH_HOLE)
1018 996
1019 const_eio (READDIR_DENTS) 997 const_eio (READDIR_DENTS)
1020 const_eio (READDIR_DIRS_FIRST) 998 const_eio (READDIR_DIRS_FIRST)
1021 const_eio (READDIR_STAT_ORDER) 999 const_eio (READDIR_STAT_ORDER)
1022 const_eio (READDIR_FOUND_UNKNOWN) 1000 const_eio (READDIR_FOUND_UNKNOWN)
… …
1130 1108
1131 req->type = ix; 1109 req->type = ix;
1132 req->sv1 = newSVsv (fh); 1110 req->sv1 = newSVsv (fh);
1133 req->int1 = fd; 1111 req->int1 = fd;
1134 1112
1135 REQ_SEND (req); 1113 REQ_SEND;
1136} 1114}
1137 1115
1138void 1116void
1139aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1117aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
1140 PPCODE: 1118 PPCODE:
… …
1147 req->int1 = fd; 1125 req->int1 = fd;
1148 req->offs = offset; 1126 req->offs = offset;
1149 req->size = nbytes; 1127 req->size = nbytes;
1150 req->int2 = flags; 1128 req->int2 = flags;
1151 1129
1152 REQ_SEND (req); 1130 REQ_SEND;
1153} 1131}
1154 1132
1155void 1133void
1156aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef) 1134aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
1157 PPCODE: 1135 PPCODE:
… …
1164 req->int1 = fd; 1142 req->int1 = fd;
1165 req->int2 = mode; 1143 req->int2 = mode;
1166 req->offs = offset; 1144 req->offs = offset;
1167 req->size = len; 1145 req->size = len;
1168 1146
1169 REQ_SEND (req); 1147 REQ_SEND;
1170} 1148}
1171 1149
1172void 1150void
1173aio_close (SV *fh, SV *callback=&PL_sv_undef) 1151aio_close (SV *fh, SV *callback=&PL_sv_undef)
1174 PPCODE: 1152 PPCODE:
… …
1198 req->type = EIO_DUP2; 1176 req->type = EIO_DUP2;
1199 req->int1 = close_fd; 1177 req->int1 = close_fd;
1200 req->sv2 = newSVsv (fh); 1178 req->sv2 = newSVsv (fh);
1201 req->int2 = fd; 1179 req->int2 = fd;
1202 1180
1203 REQ_SEND (req); 1181 REQ_SEND;
1182}
1183
1184void
1185aio_seek (SV *fh, SV *offset, int whence, SV *callback=&PL_sv_undef)
1186 PPCODE:
1187{
1188 int fd = s_fileno_croak (fh, 0);
1189 dREQ;
1190
1191 req->type = EIO_SEEK;
1192 req->sv1 = newSVsv (fh);
1193 req->int1 = fd;
1194 req->offs = SvVAL64 (offset);
1195 req->int2 = whence;
1196
1197 REQ_SEND;
1204} 1198}
1205 1199
1206void 1200void
1207aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1201aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
1208 ALIAS: 1202 ALIAS:
… …
1229 } 1223 }
1230 else 1224 else
1231 { 1225 {
1232 /* read: check type and grow scalar as necessary */ 1226 /* read: check type and grow scalar as necessary */
1233 SvUPGRADE (data, SVt_PV); 1227 SvUPGRADE (data, SVt_PV);
1228 if (SvLEN (data) >= SvCUR (data))
1234 svptr = SvGROW (data, len + dataoffset + 1); 1229 svptr = SvGROW (data, len + dataoffset + 1);
1230 else if (SvCUR (data) < len + dataoffset)
1231 croak ("length + dataoffset outside of scalar, and cannot grow");
1235 } 1232 }
1236 1233
1237 { 1234 {
1238 dREQ; 1235 dREQ;
1239 1236
… …
1536 1533
1537 req->type = EIO_MLOCKALL; 1534 req->type = EIO_MLOCKALL;
1538 req->int1 = flags; 1535 req->int1 = flags;
1539 1536
1540 REQ_SEND; 1537 REQ_SEND;
1538}
1539
1540void
1541aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback=&PL_sv_undef)
1542 PPCODE:
1543{
1544 int fd = s_fileno_croak (fh, 0);
1545 dREQ;
1546
1547 req->type = EIO_CUSTOM;
1548 req->sv1 = newSVsv (fh);
1549 req->int1 = fd;
1550
1551 req->feed = fiemap;
1552#if HAVE_FIEMAP
1553 /* keep our fingers crossed that the next two types are 64 bit */
1554 req->offs = start;
1555 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
1556 req->int2 = flags;
1557 req->int3 = SvOK (count) ? SvIV (count) : -1;
1558#endif
1559
1560 REQ_SEND;
1541} 1561}
1542 1562
1543void 1563void
1544aio_busy (double delay, SV *callback=&PL_sv_undef) 1564aio_busy (double delay, SV *callback=&PL_sv_undef)
1545 PPCODE: 1565 PPCODE:
… …
1677 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 1697 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1678 OUTPUT: 1698 OUTPUT:
1679 RETVAL 1699 RETVAL
1680 1700
1681void 1701void
1682mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 1702mmap (SV *scalar, size_t length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1683 PPCODE: 1703 PPCODE:
1684 sv_unmagic (scalar, MMAP_MAGIC); 1704 sv_unmagic (scalar, MMAP_MAGIC);
1685{ 1705{
1686 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 1706 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1687 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 1707 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
… …
1720 ALIAS: 1740 ALIAS:
1721 mprotect = 1 1741 mprotect = 1
1722 CODE: 1742 CODE:
1723{ 1743{
1724 STRLEN svlen; 1744 STRLEN svlen;
1725 void *addr = SvPVbyte (scalar, svlen); 1745 void *addr = SvPVbyte (scalar, svlen);
1726 size_t len = SvUV (length); 1746 size_t len = SvUV (length);
1727 1747
1728 if (offset < 0) 1748 if (offset < 0)
1729 offset += svlen; 1749 offset += svlen;
1730 1750
… …
1766 addr = (void *)(((intptr_t)addr) + offset); 1786 addr = (void *)(((intptr_t)addr) + offset);
1767 eio_page_align (&addr, &len); 1787 eio_page_align (&addr, &len);
1768#if _POSIX_MEMLOCK_RANGE 1788#if _POSIX_MEMLOCK_RANGE
1769 RETVAL = munlock (addr, len); 1789 RETVAL = munlock (addr, len);
1770#else 1790#else
1771 RETVAL = ((errno = ENOSYS), -1); 1791 RETVAL = EIO_ENOSYS ();
1772#endif 1792#endif
1773} 1793}
1774 OUTPUT: 1794 OUTPUT:
1775 RETVAL 1795 RETVAL
1776 1796
… …
1778munlockall () 1798munlockall ()
1779 CODE: 1799 CODE:
1780#if _POSIX_MEMLOCK 1800#if _POSIX_MEMLOCK
1781 munlockall (); 1801 munlockall ();
1782#else 1802#else
1783 RETVAL = -1; 1803 RETVAL = EIO_ENOSYS ();
1784 errno = ENOSYS;
1785#endif 1804#endif
1786 OUTPUT: 1805 OUTPUT:
1806 RETVAL
1807
1808int
1809splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
1810 CODE:
1811{
1812#if HAVE_LINUX_SPLICE
1813 loff_t off_in_, off_out_;
1814 RETVAL = splice (
1815 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
1816 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
1817 length, flags
1818 );
1819#else
1820 RETVAL = EIO_ENOSYS ();
1821#endif
1822}
1823 OUTPUT:
1824 RETVAL
1825
1826int
1827tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
1828 CODE:
1829#if HAVE_LINUX_SPLICE
1830 RETVAL = tee (rfh, wfh, length, flags);
1831#else
1832 RETVAL = EIO_ENOSYS ();
1833#endif
1834 OUTPUT:
1787 RETVAL 1835 RETVAL
1788 1836
1789void _on_next_submit (SV *cb) 1837void _on_next_submit (SV *cb)
1790 CODE: 1838 CODE:
1791 SvREFCNT_dec (on_next_submit); 1839 SvREFCNT_dec (on_next_submit);

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