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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.163 by root, Sun Jan 10 23:44:02 2010 UTC vs.
Revision 1.177 by root, Thu Dec 30 07:19:31 2010 UTC

… …
118 STRLEN stroffset; \ 118 STRLEN stroffset; \
119 SV *self; 119 SV *self;
120 120
121#define EIO_NO_WRAPPERS 1 121#define EIO_NO_WRAPPERS 1
122 122
123#include "libeio/config.h"
123#include "libeio/eio.h" 124#include "libeio/eio.h"
124 125
125#ifndef POSIX_FADV_NORMAL 126#ifndef POSIX_FADV_NORMAL
126# define POSIX_FADV_NORMAL 0 127# define POSIX_FADV_NORMAL 0
127# define NO_FADVISE 1
128#endif 128#endif
129#ifndef POSIX_FADV_SEQUENTIAL 129#ifndef POSIX_FADV_SEQUENTIAL
130# define POSIX_FADV_SEQUENTIAL 0 130# define POSIX_FADV_SEQUENTIAL 0
131#endif 131#endif
132#ifndef POSIX_FADV_RANDOM 132#ifndef POSIX_FADV_RANDOM
… …
140#endif 140#endif
141#ifndef POSIX_FADV_DONTNEED 141#ifndef POSIX_FADV_DONTNEED
142# define POSIX_FADV_DONTNEED 0 142# define POSIX_FADV_DONTNEED 0
143#endif 143#endif
144 144
145#if !HAVE_POSIX_FADVISE
146# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
147#endif
148
149#ifndef POSIX_MADV_NORMAL
150# define POSIX_MADV_NORMAL 0
151#endif
152#ifndef POSIX_MADV_SEQUENTIAL
153# define POSIX_MADV_SEQUENTIAL 0
154#endif
155#ifndef POSIX_MADV_RANDOM
156# define POSIX_MADV_RANDOM 0
157#endif
158#ifndef POSIX_MADV_WILLNEED
159# define POSIX_MADV_WILLNEED 0
160#endif
161#ifndef POSIX_MADV_DONTNEED
162# define POSIX_MADV_DONTNEED 0
163#endif
164
165#if !HAVE_POSIX_MADVISE
166# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
167#endif
168
169#ifndef PROT_NONE
170# define PROT_NONE 0
171#endif
172#ifndef PROT_READ
173# define PROT_READ 0
174#endif
175#ifndef PROT_WRITE
176# define PROT_READ 0
177#endif
178#ifndef PROT_EXEC
179# define PROT_EXEC 0
180#endif
181
145#ifndef ST_NODEV 182#ifndef ST_NODEV
146# define ST_NODEV 0 183# define ST_NODEV 0
147#endif 184#endif
148#ifndef ST_NOEXEC 185#ifndef ST_NOEXEC
149# define ST_NOEXEC 0 186# define ST_NOEXEC 0
… …
169#ifndef ST_NODIRATIME 206#ifndef ST_NODIRATIME
170# define ST_NODIRATIME 0 207# define ST_NODIRATIME 0
171#endif 208#endif
172#ifndef ST_RELATIME 209#ifndef ST_RELATIME
173# define ST_RELATIME 0 210# define ST_RELATIME 0
174#endif
175
176#ifndef MCL_CURRENT
177# define MCL_CURRENT 0
178#endif
179#ifndef MCL_FUTURE
180# define MCL_FUTURE 0
181#endif 211#endif
182 212
183#ifndef MAP_ANONYMOUS 213#ifndef MAP_ANONYMOUS
184# ifdef MAP_ANON 214# ifdef MAP_ANON
185# define MAP_ANONYMOUS MAP_ANON 215# define MAP_ANONYMOUS MAP_ANON
… …
304 } 334 }
305} 335}
306 336
307static int req_invoke (eio_req *req) 337static int req_invoke (eio_req *req)
308{ 338{
309 dSP;
310
311 if (req->flags & FLAG_SV2_RO_OFF) 339 if (req->flags & FLAG_SV2_RO_OFF)
312 SvREADONLY_off (req->sv2); 340 SvREADONLY_off (req->sv2);
313 341
314 if (!EIO_CANCELLED (req) && req->callback) 342 if (!EIO_CANCELLED (req) && req->callback)
315 { 343 {
344 dSP;
345 static SV *sv_result_cache; /* caches the result integer SV */
346 SV *sv_result;
347
316 ENTER; 348 ENTER;
317 SAVETMPS; 349 SAVETMPS;
318 PUSHMARK (SP); 350 PUSHMARK (SP);
319 EXTEND (SP, 1); 351 EXTEND (SP, 1);
352
353 /* do not recreate the result IV from scratch each time */
354 if (expect_true (sv_result_cache))
355 {
356 sv_result = sv_result_cache; sv_result_cache = 0;
357 SvIV_set (sv_result, req->result);
358 SvIOK_only (sv_result);
359 }
360 else
361 {
362 sv_result = newSViv (req->result);
363 SvREADONLY_on (sv_result);
364 }
320 365
321 switch (req->type) 366 switch (req->type)
322 { 367 {
323 case EIO_READDIR: 368 case EIO_READDIR:
324 { 369 {
… …
469 case EIO_LSTAT: 514 case EIO_LSTAT:
470 case EIO_FSTAT: 515 case EIO_FSTAT:
471 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 516 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
472 PL_laststatval = req->result; 517 PL_laststatval = req->result;
473 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 518 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
474 PUSHs (sv_2mortal (newSViv (req->result))); 519 PUSHs (sv_result);
475 break; 520 break;
476 521
477 case EIO_READ: 522 case EIO_READ:
478 { 523 {
479 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 524 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
480 *SvEND (req->sv2) = 0; 525 *SvEND (req->sv2) = 0;
481 SvPOK_only (req->sv2); 526 SvPOK_only (req->sv2);
482 SvSETMAGIC (req->sv2); 527 SvSETMAGIC (req->sv2);
483 PUSHs (sv_2mortal (newSViv (req->result))); 528 PUSHs (sv_result);
484 } 529 }
485 break; 530 break;
486 531
487 case EIO_DUP2: 532 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
488 if (req->result > 0) 533 if (req->result > 0)
489 req->result = 0; 534 SvIV_set (sv_result, 0);
490 /* FALLTHROUGH */ 535 /* FALLTHROUGH */
491 536
492 default: 537 default:
493 PUSHs (sv_2mortal (newSViv (req->result))); 538 PUSHs (sv_result);
494 break; 539 break;
495 } 540 }
496 541
497 errno = req->errorno; 542 errno = req->errorno;
498 543
499 PUTBACK; 544 PUTBACK;
500 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 545 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
501 SPAGAIN; 546 SPAGAIN;
547
548 if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
549 SvREFCNT_dec (sv_result);
550 else
551 sv_result_cache = sv_result;
502 552
503 FREETMPS; 553 FREETMPS;
504 LEAVE; 554 LEAVE;
505 555
506 PUTBACK; 556 PUTBACK;
… …
587/*****************************************************************************/ 637/*****************************************************************************/
588 638
589#if !_POSIX_MAPPED_FILES 639#if !_POSIX_MAPPED_FILES
590# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1) 640# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
591# define munmap(addr,length) (errno = ENOSYS, -1) 641# define munmap(addr,length) (errno = ENOSYS, -1)
642# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
643# define PROT_NONE 0
644# define PROT_WRITE 0
645# define MAP_PRIVATE 0
646# define MAP_SHARED 0
647# define MAP_FIXED 0
592#endif 648#endif
593 649
594#define MMAP_MAGIC PERL_MAGIC_ext 650#define MMAP_MAGIC PERL_MAGIC_ext
595 651
596static int 652static int
… …
601 errno = old_errno; 657 errno = old_errno;
602 658
603 mg->mg_obj = 0; /* just in case */ 659 mg->mg_obj = 0; /* just in case */
604 660
605 SvREADONLY_off (sv); 661 SvREADONLY_off (sv);
662
663 if (SvPVX (sv) != mg->mg_ptr)
664 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
665
606 SvCUR_set (sv, 0); 666 SvCUR_set (sv, 0);
607 SvLEN_set (sv, 0);
608 SvPVX (sv) = 0; 667 SvPVX (sv) = 0;
609 SvOK_off (sv); 668 SvOK_off (sv);
610 669
611 return 0; 670 return 0;
612} 671}
… …
662# define const_eio(name) { # name, (IV) EIO_ ## name }, 721# define const_eio(name) { # name, (IV) EIO_ ## name },
663 const_iv (EXDEV) 722 const_iv (EXDEV)
664 const_iv (ENOSYS) 723 const_iv (ENOSYS)
665 const_iv (O_RDONLY) 724 const_iv (O_RDONLY)
666 const_iv (O_WRONLY) 725 const_iv (O_WRONLY)
726 const_iv (O_RDWR)
667 const_iv (O_CREAT) 727 const_iv (O_CREAT)
668 const_iv (O_TRUNC) 728 const_iv (O_TRUNC)
729 const_iv (O_EXCL)
730 const_iv (O_APPEND)
669#ifndef _WIN32 731#ifndef _WIN32
670 const_iv (S_IFIFO) 732 const_iv (S_IFIFO)
671#endif 733#endif
672 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) 734 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
673 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 735 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
674 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) 736 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
675 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 737 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
676 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 738 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
677 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 739 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
740
741 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
742 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
743 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
744 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
745 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
678 746
679 const_iv (ST_RDONLY) 747 const_iv (ST_RDONLY)
680 const_iv (ST_NOSUID) 748 const_iv (ST_NOSUID)
681 const_iv (ST_NODEV) 749 const_iv (ST_NODEV)
682 const_iv (ST_NOEXEC) 750 const_iv (ST_NOEXEC)
… …
687 const_iv (ST_IMMUTABLE) 755 const_iv (ST_IMMUTABLE)
688 const_iv (ST_NOATIME) 756 const_iv (ST_NOATIME)
689 const_iv (ST_NODIRATIME) 757 const_iv (ST_NODIRATIME)
690 const_iv (ST_RELATIME) 758 const_iv (ST_RELATIME)
691 759
760 const_iv (PROT_NONE)
692 const_iv (PROT_EXEC) 761 const_iv (PROT_EXEC)
693 const_iv (PROT_NONE)
694 const_iv (PROT_READ) 762 const_iv (PROT_READ)
695 const_iv (PROT_WRITE) 763 const_iv (PROT_WRITE)
696 764
697 /*const_iv (MAP_FIXED)*/ 765 /*const_iv (MAP_FIXED)*/
698 const_iv (MAP_PRIVATE) 766 const_iv (MAP_PRIVATE)
… …
704 const_iv (MAP_LOCKED) 772 const_iv (MAP_LOCKED)
705 const_iv (MAP_NORESERVE) 773 const_iv (MAP_NORESERVE)
706 const_iv (MAP_POPULATE) 774 const_iv (MAP_POPULATE)
707 const_iv (MAP_NONBLOCK) 775 const_iv (MAP_NONBLOCK)
708 776
709 const_iv (MCL_FUTURE) 777 const_eio (MCL_FUTURE)
710 const_iv (MCL_CURRENT) 778 const_eio (MCL_CURRENT)
711 779
712 const_eio (MS_ASYNC) 780 const_eio (MS_ASYNC)
713 const_eio (MS_INVALIDATE) 781 const_eio (MS_INVALIDATE)
714 const_eio (MS_SYNC) 782 const_eio (MS_SYNC)
715 783
… …
789 CODE: 857 CODE:
790 max_outstanding = maxreqs; 858 max_outstanding = maxreqs;
791 859
792void 860void
793aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 861aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
794 PROTOTYPE: $$$;$
795 PPCODE: 862 PPCODE:
796{ 863{
797 dREQ; 864 dREQ;
798 865
799 req->type = EIO_OPEN; 866 req->type = EIO_OPEN;
… …
805 REQ_SEND; 872 REQ_SEND;
806} 873}
807 874
808void 875void
809aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 876aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
810 PROTOTYPE: $;$
811 ALIAS: 877 ALIAS:
812 aio_fsync = EIO_FSYNC 878 aio_fsync = EIO_FSYNC
813 aio_fdatasync = EIO_FDATASYNC 879 aio_fdatasync = EIO_FDATASYNC
814 PPCODE: 880 PPCODE:
815{ 881{
… …
823 REQ_SEND (req); 889 REQ_SEND (req);
824} 890}
825 891
826void 892void
827aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 893aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
828 PROTOTYPE: $$$$;$
829 PPCODE: 894 PPCODE:
830{ 895{
831 int fd = s_fileno_croak (fh, 0); 896 int fd = s_fileno_croak (fh, 0);
832 dREQ; 897 dREQ;
833 898
… …
841 REQ_SEND (req); 906 REQ_SEND (req);
842} 907}
843 908
844void 909void
845aio_close (SV *fh, SV *callback=&PL_sv_undef) 910aio_close (SV *fh, SV *callback=&PL_sv_undef)
846 PROTOTYPE: $;$
847 PPCODE: 911 PPCODE:
848{ 912{
849 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 913 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
850 int fd = s_fileno_croak (fh, 0); 914 int fd = s_fileno_croak (fh, 0);
851 dREQ; 915 dREQ;
… …
873void 937void
874aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 938aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
875 ALIAS: 939 ALIAS:
876 aio_read = EIO_READ 940 aio_read = EIO_READ
877 aio_write = EIO_WRITE 941 aio_write = EIO_WRITE
878 PROTOTYPE: $$$$$;$
879 PPCODE: 942 PPCODE:
880{ 943{
881 STRLEN svlen; 944 STRLEN svlen;
882 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 945 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
883 char *svptr = SvPVbyte (data, svlen); 946 char *svptr = SvPVbyte (data, svlen);
… …
924 } 987 }
925} 988}
926 989
927void 990void
928aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 991aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)
929 PROTOTYPE: $$;$
930 PPCODE: 992 PPCODE:
931{ 993{
932 SV *data; 994 SV *data;
933 dREQ; 995 dREQ;
934 996
… …
939 REQ_SEND; 1001 REQ_SEND;
940} 1002}
941 1003
942void 1004void
943aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1005aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
944 PROTOTYPE: $$$$;$
945 PPCODE: 1006 PPCODE:
946{ 1007{
947 int ifd = s_fileno_croak (in_fh , 0); 1008 int ifd = s_fileno_croak (in_fh , 0);
948 int ofd = s_fileno_croak (out_fh, 1); 1009 int ofd = s_fileno_croak (out_fh, 1);
949 dREQ; 1010 dREQ;
… …
959 REQ_SEND; 1020 REQ_SEND;
960} 1021}
961 1022
962void 1023void
963aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1024aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
964 PROTOTYPE: $$$;$
965 PPCODE: 1025 PPCODE:
966{ 1026{
967 int fd = s_fileno_croak (fh, 0); 1027 int fd = s_fileno_croak (fh, 0);
968 dREQ; 1028 dREQ;
969 1029
… …
1170void 1230void
1171aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1231aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1172 ALIAS: 1232 ALIAS:
1173 aio_mtouch = EIO_MTOUCH 1233 aio_mtouch = EIO_MTOUCH
1174 aio_msync = EIO_MSYNC 1234 aio_msync = EIO_MSYNC
1175 PROTOTYPE: $$$$;$
1176 PPCODE: 1235 PPCODE:
1177{ 1236{
1178 STRLEN svlen; 1237 STRLEN svlen;
1238 char *svptr = SvPVbyte (data, svlen);
1179 UV len = SvUV (length); 1239 UV len = SvUV (length);
1180 char *svptr = SvPVbyte (data, svlen);
1181 1240
1182 if (offset < 0) 1241 if (offset < 0)
1183 offset += svlen; 1242 offset += svlen;
1184 1243
1185 if (offset < 0 || offset > svlen) 1244 if (offset < 0 || offset > svlen)
… …
1190 1249
1191 { 1250 {
1192 dREQ; 1251 dREQ;
1193 1252
1194 req->type = ix; 1253 req->type = ix;
1195 req->size = len;
1196 req->sv2 = SvREFCNT_inc (data); 1254 req->sv2 = SvREFCNT_inc (data);
1197 req->ptr2 = (char *)svptr + offset; 1255 req->ptr2 = (char *)svptr + offset;
1256 req->size = len;
1198 req->int1 = flags; 1257 req->int1 = flags;
1199 1258
1200 REQ_SEND; 1259 REQ_SEND;
1201 } 1260 }
1202} 1261}
1203 1262
1204void 1263void
1264aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
1265 PPCODE:
1266{
1267 STRLEN svlen;
1268 char *svptr = SvPVbyte (data, svlen);
1269 UV len = SvUV (length);
1270
1271 if (offset < 0)
1272 offset += svlen;
1273
1274 if (offset < 0 || offset > svlen)
1275 croak ("offset outside of scalar");
1276
1277 if (!SvOK (length) || len + offset > svlen)
1278 len = svlen - offset;
1279
1280 {
1281 dREQ;
1282
1283 req->type = EIO_MLOCK;
1284 req->sv2 = SvREFCNT_inc (data);
1285 req->ptr2 = (char *)svptr + offset;
1286 req->size = len;
1287
1288 REQ_SEND;
1289 }
1290}
1291
1292void
1293aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
1294 PPCODE:
1295{
1296 dREQ;
1297
1298 req->type = EIO_MLOCKALL;
1299 req->int1 = flags;
1300
1301 REQ_SEND;
1302}
1303
1304void
1205aio_busy (double delay, SV *callback=&PL_sv_undef) 1305aio_busy (double delay, SV *callback=&PL_sv_undef)
1206 PPCODE: 1306 PPCODE:
1207{ 1307{
1208 dREQ; 1308 dREQ;
1209 1309
… …
1213 REQ_SEND; 1313 REQ_SEND;
1214} 1314}
1215 1315
1216void 1316void
1217aio_group (SV *callback=&PL_sv_undef) 1317aio_group (SV *callback=&PL_sv_undef)
1218 PROTOTYPE: ;$
1219 PPCODE: 1318 PPCODE:
1220{ 1319{
1221 dREQ; 1320 dREQ;
1222 1321
1223 req->type = EIO_GROUP; 1322 req->type = EIO_GROUP;
… …
1240 REQ_SEND; 1339 REQ_SEND;
1241} 1340}
1242 1341
1243int 1342int
1244aioreq_pri (int pri = 0) 1343aioreq_pri (int pri = 0)
1245 PROTOTYPE: ;$
1246 CODE: 1344 CODE:
1247 RETVAL = next_pri; 1345 RETVAL = next_pri;
1248 if (items > 0) 1346 if (items > 0)
1249 { 1347 {
1250 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1348 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1262 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1360 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1263 next_pri = nice; 1361 next_pri = nice;
1264 1362
1265void 1363void
1266flush () 1364flush ()
1267 PROTOTYPE:
1268 CODE: 1365 CODE:
1269 while (eio_nreqs ()) 1366 while (eio_nreqs ())
1270 { 1367 {
1271 poll_wait (); 1368 poll_wait ();
1272 poll_cb (); 1369 poll_cb ();
1273 } 1370 }
1274 1371
1275int 1372int
1276poll() 1373poll ()
1277 PROTOTYPE:
1278 CODE: 1374 CODE:
1279 poll_wait (); 1375 poll_wait ();
1280 RETVAL = poll_cb (); 1376 RETVAL = poll_cb ();
1281 OUTPUT: 1377 OUTPUT:
1282 RETVAL 1378 RETVAL
1283 1379
1284int 1380int
1285poll_fileno() 1381poll_fileno ()
1286 PROTOTYPE:
1287 CODE: 1382 CODE:
1288 RETVAL = s_epipe_fd (&respipe); 1383 RETVAL = s_epipe_fd (&respipe);
1289 OUTPUT: 1384 OUTPUT:
1290 RETVAL 1385 RETVAL
1291 1386
1292int 1387int
1293poll_cb(...) 1388poll_cb (...)
1294 PROTOTYPE: 1389 PROTOTYPE:
1295 CODE: 1390 CODE:
1296 RETVAL = poll_cb (); 1391 RETVAL = poll_cb ();
1297 OUTPUT: 1392 OUTPUT:
1298 RETVAL 1393 RETVAL
1299 1394
1300void 1395void
1301poll_wait() 1396poll_wait ()
1302 PROTOTYPE:
1303 CODE: 1397 CODE:
1304 poll_wait (); 1398 poll_wait ();
1305 1399
1306int 1400int
1307nreqs() 1401nreqs ()
1308 PROTOTYPE:
1309 CODE: 1402 CODE:
1310 RETVAL = eio_nreqs (); 1403 RETVAL = eio_nreqs ();
1311 OUTPUT: 1404 OUTPUT:
1312 RETVAL 1405 RETVAL
1313 1406
1314int 1407int
1315nready() 1408nready ()
1316 PROTOTYPE:
1317 CODE: 1409 CODE:
1318 RETVAL = eio_nready (); 1410 RETVAL = eio_nready ();
1319 OUTPUT: 1411 OUTPUT:
1320 RETVAL 1412 RETVAL
1321 1413
1322int 1414int
1323npending() 1415npending ()
1324 PROTOTYPE:
1325 CODE: 1416 CODE:
1326 RETVAL = eio_npending (); 1417 RETVAL = eio_npending ();
1327 OUTPUT: 1418 OUTPUT:
1328 RETVAL 1419 RETVAL
1329 1420
1330int 1421int
1331nthreads() 1422nthreads ()
1332 PROTOTYPE:
1333 CODE: 1423 CODE:
1334 RETVAL = eio_nthreads (); 1424 RETVAL = eio_nthreads ();
1335 OUTPUT: 1425 OUTPUT:
1336 RETVAL 1426 RETVAL
1337 1427
1338int 1428int
1339fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 1429fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1340 PROTOTYPE: $$$$
1341 CODE: 1430 CODE:
1342#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1343 RETVAL = posix_fadvise (fh, offset, length, advice); 1431 RETVAL = posix_fadvise (fh, offset, length, advice);
1344#else
1345 RETVAL = errno = ENOSYS; /* yes, this is actually correct */
1346#endif
1347 OUTPUT: 1432 OUTPUT:
1348 RETVAL 1433 RETVAL
1349 1434
1350ssize_t 1435ssize_t
1351sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 1436sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1352 PROTOTYPE: $$$$
1353 CODE: 1437 CODE:
1354 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 1438 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1355 OUTPUT: 1439 OUTPUT:
1356 RETVAL 1440 RETVAL
1357 1441
1358void 1442void
1359mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 1443mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1360 PROTOTYPE: $$$$$;$
1361 PPCODE: 1444 PPCODE:
1362 sv_unmagic (scalar, MMAP_MAGIC); 1445 sv_unmagic (scalar, MMAP_MAGIC);
1363{ 1446{
1364 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 1447 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1365 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 1448 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1366 if (addr == (void *)-1) 1449 if (addr == (void *)-1)
1367 XSRETURN_NO; 1450 XSRETURN_NO;
1368 1451
1452 sv_force_normal (scalar);
1453
1369 /* we store the length in mg_obj, as namlen is I32 :/ */ 1454 /* we store the length in mg_obj, as namlen is I32 :/ */
1370 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0) 1455 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1371 ->mg_obj = (SV *)length; 1456 ->mg_obj = (SV *)length;
1372 1457
1373 SvUPGRADE (scalar, SVt_PV); /* nop... */ 1458 SvUPGRADE (scalar, SVt_PV); /* nop... */
1459
1374 if (!(prot & PROT_WRITE)) 1460 if (!(prot & PROT_WRITE))
1375 SvREADONLY_on (scalar); 1461 SvREADONLY_on (scalar);
1462
1463 if (SvLEN (scalar))
1464 Safefree (SvPVX (scalar));
1376 1465
1377 SvPVX (scalar) = (char *)addr; 1466 SvPVX (scalar) = (char *)addr;
1378 SvCUR_set (scalar, length); 1467 SvCUR_set (scalar, length);
1379 SvLEN_set (scalar, 0); 1468 SvLEN_set (scalar, 0);
1380 SvPOK_only (scalar); 1469 SvPOK_only (scalar);
… …
1382 XSRETURN_YES; 1471 XSRETURN_YES;
1383} 1472}
1384 1473
1385void 1474void
1386munmap (SV *scalar) 1475munmap (SV *scalar)
1387 PROTOTYPE: $
1388 CODE: 1476 CODE:
1389 sv_unmagic (scalar, MMAP_MAGIC); 1477 sv_unmagic (scalar, MMAP_MAGIC);
1390 1478
1391int 1479int
1392mlockall (int flags) 1480madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1393 PROTOTYPE: $ 1481 ALIAS:
1482 mprotect = 1
1394 CODE: 1483 CODE:
1484{
1485 STRLEN svlen;
1486 void *addr = SvPVbyte (scalar, svlen);
1487 size_t len = SvUV (length);
1488
1489 if (offset < 0)
1490 offset += svlen;
1491
1492 if (offset < 0 || offset > svlen)
1493 croak ("offset outside of scalar");
1494
1495 if (!SvOK (length) || len + offset > svlen)
1496 len = svlen - offset;
1497
1498 addr = (void *)(((intptr_t)addr) + offset);
1499 eio_page_align (&addr, &len);
1500
1501 switch (ix)
1502 {
1503 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
1504 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
1505 }
1506}
1507 OUTPUT:
1508 RETVAL
1509
1510int
1511munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
1512 CODE:
1513{
1514 STRLEN svlen;
1515 void *addr = SvPVbyte (scalar, svlen);
1516 size_t len = SvUV (length);
1517
1518 if (offset < 0)
1519 offset += svlen;
1520
1521 if (offset < 0 || offset > svlen)
1522 croak ("offset outside of scalar");
1523
1524 if (!SvOK (length) || len + offset > svlen)
1525 len = svlen - offset;
1526
1527 addr = (void *)(((intptr_t)addr) + offset);
1528 eio_page_align (&addr, &len);
1395#if _POSIX_MEMLOCK 1529#if _POSIX_MEMLOCK
1396#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7 1530 RETVAL = munlock (addr, len);
1397 extern int mallopt (int, int);
1398 mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1399#endif
1400 mlockall (flags);
1401#else 1531#else
1402 RETVAL = -1; 1532 RETVAL = ((errno = ENOSYS), -1);
1403 errno = ENOSYS;
1404#endif 1533#endif
1534}
1405 OUTPUT: 1535 OUTPUT:
1406 RETVAL 1536 RETVAL
1407 1537
1408int 1538int
1409munlockall () 1539munlockall ()
1410 PROTOTYPE:
1411 CODE: 1540 CODE:
1412#if _POSIX_MEMLOCK 1541#if _POSIX_MEMLOCK
1413 munlockall (); 1542 munlockall ();
1414#else 1543#else
1415 RETVAL = -1; 1544 RETVAL = -1;

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