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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 1.180 by root, Fri Feb 11 00:05:17 2011 UTC

… …
16#include <sys/statvfs.h> 16#include <sys/statvfs.h>
17#include <limits.h> 17#include <limits.h>
18#include <fcntl.h> 18#include <fcntl.h>
19#include <sched.h> 19#include <sched.h>
20 20
21#if _POSIX_MEMLOCK || _POSIX_MAPPED_FILES 21#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
22# include <sys/mman.h> 22# include <sys/mman.h>
23#endif 23#endif
24 24
25/* perl namespace pollution */ 25/* perl namespace pollution */
26#undef VERSION 26#undef VERSION
… …
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
… …
171#endif 208#endif
172#ifndef ST_RELATIME 209#ifndef ST_RELATIME
173# define ST_RELATIME 0 210# define ST_RELATIME 0
174#endif 211#endif
175 212
176#ifndef MCL_CURRENT 213#ifndef S_IFIFO
177# define MCL_CURRENT 0 214# define S_IFIFO 0
178#endif 215#endif
179#ifndef MCL_FUTURE 216#ifndef S_IFCHR
180# define MCL_FUTURE 0 217# define S_IFCHR 0
218#endif
219#ifndef S_IFBLK
220# define S_IFBLK 0
221#endif
222#ifndef S_IFLNK
223# define S_IFLNK 0
224#endif
225#ifndef S_IFREG
226# define S_IFREG 0
227#endif
228#ifndef S_IFDIR
229# define S_IFDIR 0
230#endif
231#ifndef S_IFWHT
232# define S_IFWHT 0
233#endif
234#ifndef S_IFSOCK
235# define S_IFSOCK 0
181#endif 236#endif
182 237
183#ifndef MAP_ANONYMOUS 238#ifndef MAP_ANONYMOUS
184# ifdef MAP_ANON 239# ifdef MAP_ANON
185# define MAP_ANONYMOUS MAP_ANON 240# define MAP_ANONYMOUS MAP_ANON
… …
199#ifndef MAP_POPULATE 254#ifndef MAP_POPULATE
200# define MAP_POPULATE 0 255# define MAP_POPULATE 0
201#endif 256#endif
202#ifndef MAP_NONBLOCK 257#ifndef MAP_NONBLOCK
203# define MAP_NONBLOCK 0 258# define MAP_NONBLOCK 0
259#endif
260
261#ifndef makedev
262# define makedev(maj,min) (((maj) << 8) | (min))
263#endif
264#ifndef major
265# define major(dev) ((dev) >> 8)
266#endif
267#ifndef minor
268# define minor(dev) ((dev) & 0xff)
204#endif 269#endif
205 270
206#ifndef PAGESIZE 271#ifndef PAGESIZE
207# define PAGESIZE sysconf (_SC_PAGESIZE) 272# define PAGESIZE sysconf (_SC_PAGESIZE)
208#endif 273#endif
… …
304 } 369 }
305} 370}
306 371
307static int req_invoke (eio_req *req) 372static int req_invoke (eio_req *req)
308{ 373{
309 dSP;
310
311 if (req->flags & FLAG_SV2_RO_OFF) 374 if (req->flags & FLAG_SV2_RO_OFF)
312 SvREADONLY_off (req->sv2); 375 SvREADONLY_off (req->sv2);
313 376
314 if (!EIO_CANCELLED (req) && req->callback) 377 if (!EIO_CANCELLED (req) && req->callback)
315 { 378 {
379 dSP;
380 static SV *sv_result_cache; /* caches the result integer SV */
381 SV *sv_result;
382
316 ENTER; 383 ENTER;
317 SAVETMPS; 384 SAVETMPS;
318 PUSHMARK (SP); 385 PUSHMARK (SP);
319 EXTEND (SP, 1); 386 EXTEND (SP, 1);
387
388 /* do not recreate the result IV from scratch each time */
389 if (expect_true (sv_result_cache))
390 {
391 sv_result = sv_result_cache; sv_result_cache = 0;
392 SvIV_set (sv_result, req->result);
393 SvIOK_only (sv_result);
394 }
395 else
396 {
397 sv_result = newSViv (req->result);
398 SvREADONLY_on (sv_result);
399 }
320 400
321 switch (req->type) 401 switch (req->type)
322 { 402 {
323 case EIO_READDIR: 403 case EIO_READDIR:
324 { 404 {
… …
469 case EIO_LSTAT: 549 case EIO_LSTAT:
470 case EIO_FSTAT: 550 case EIO_FSTAT:
471 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 551 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
472 PL_laststatval = req->result; 552 PL_laststatval = req->result;
473 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 553 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
474 PUSHs (sv_2mortal (newSViv (req->result))); 554 PUSHs (sv_result);
475 break; 555 break;
476 556
477 case EIO_READ: 557 case EIO_READ:
478 { 558 {
479 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 559 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
480 *SvEND (req->sv2) = 0; 560 *SvEND (req->sv2) = 0;
481 SvPOK_only (req->sv2); 561 SvPOK_only (req->sv2);
482 SvSETMAGIC (req->sv2); 562 SvSETMAGIC (req->sv2);
483 PUSHs (sv_2mortal (newSViv (req->result))); 563 PUSHs (sv_result);
484 } 564 }
485 break; 565 break;
486 566
487 case EIO_DUP2: 567 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
488 if (req->result > 0) 568 if (req->result > 0)
489 req->result = 0; 569 SvIV_set (sv_result, 0);
490 /* FALLTHROUGH */ 570 /* FALLTHROUGH */
491 571
492 default: 572 default:
493 PUSHs (sv_2mortal (newSViv (req->result))); 573 PUSHs (sv_result);
494 break; 574 break;
495 } 575 }
496 576
497 errno = req->errorno; 577 errno = req->errorno;
498 578
499 PUTBACK; 579 PUTBACK;
500 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 580 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
501 SPAGAIN; 581 SPAGAIN;
582
583 if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
584 SvREFCNT_dec (sv_result);
585 else
586 sv_result_cache = sv_result;
502 587
503 FREETMPS; 588 FREETMPS;
504 LEAVE; 589 LEAVE;
505 590
506 PUTBACK; 591 PUTBACK;
… …
589#if !_POSIX_MAPPED_FILES 674#if !_POSIX_MAPPED_FILES
590# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1) 675# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
591# define munmap(addr,length) (errno = ENOSYS, -1) 676# define munmap(addr,length) (errno = ENOSYS, -1)
592#endif 677#endif
593 678
679#if !_POSIX_MEMORY_PROTECTION
680# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
681# define PROT_NONE 0
682# define PROT_WRITE 0
683# define MAP_PRIVATE 0
684# define MAP_SHARED 0
685# define MAP_FIXED 0
686#endif
687
594#define MMAP_MAGIC PERL_MAGIC_ext 688#define MMAP_MAGIC PERL_MAGIC_ext
595 689
596static int 690static int
597mmap_free (pTHX_ SV *sv, MAGIC *mg) 691mmap_free (pTHX_ SV *sv, MAGIC *mg)
598{ 692{
… …
601 errno = old_errno; 695 errno = old_errno;
602 696
603 mg->mg_obj = 0; /* just in case */ 697 mg->mg_obj = 0; /* just in case */
604 698
605 SvREADONLY_off (sv); 699 SvREADONLY_off (sv);
700
701 if (SvPVX (sv) != mg->mg_ptr)
702 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
703
606 SvCUR_set (sv, 0); 704 SvCUR_set (sv, 0);
607 SvLEN_set (sv, 0);
608 SvPVX (sv) = 0; 705 SvPVX (sv) = 0;
609 SvOK_off (sv); 706 SvOK_off (sv);
610 707
611 return 0; 708 return 0;
612} 709}
… …
662# define const_eio(name) { # name, (IV) EIO_ ## name }, 759# define const_eio(name) { # name, (IV) EIO_ ## name },
663 const_iv (EXDEV) 760 const_iv (EXDEV)
664 const_iv (ENOSYS) 761 const_iv (ENOSYS)
665 const_iv (O_RDONLY) 762 const_iv (O_RDONLY)
666 const_iv (O_WRONLY) 763 const_iv (O_WRONLY)
764 const_iv (O_RDWR)
667 const_iv (O_CREAT) 765 const_iv (O_CREAT)
668 const_iv (O_TRUNC) 766 const_iv (O_TRUNC)
669#ifndef _WIN32 767 const_iv (O_EXCL)
768 const_iv (O_APPEND)
769
670 const_iv (S_IFIFO) 770 const_iv (S_IFIFO)
671#endif 771 const_iv (S_IFCHR)
772 const_iv (S_IFBLK)
773 const_iv (S_IFLNK)
774 const_iv (S_IFREG)
775 const_iv (S_IFDIR)
776 const_iv (S_IFWHT)
777 const_iv (S_IFSOCK)
778 const_iv (S_IFMT)
779
672 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) 780 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
673 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 781 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
674 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) 782 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
675 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 783 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
676 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 784 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
677 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 785 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
786
787 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
788 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
789 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
790 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
791 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
678 792
679 const_iv (ST_RDONLY) 793 const_iv (ST_RDONLY)
680 const_iv (ST_NOSUID) 794 const_iv (ST_NOSUID)
681 const_iv (ST_NODEV) 795 const_iv (ST_NODEV)
682 const_iv (ST_NOEXEC) 796 const_iv (ST_NOEXEC)
… …
687 const_iv (ST_IMMUTABLE) 801 const_iv (ST_IMMUTABLE)
688 const_iv (ST_NOATIME) 802 const_iv (ST_NOATIME)
689 const_iv (ST_NODIRATIME) 803 const_iv (ST_NODIRATIME)
690 const_iv (ST_RELATIME) 804 const_iv (ST_RELATIME)
691 805
806 const_iv (PROT_NONE)
692 const_iv (PROT_EXEC) 807 const_iv (PROT_EXEC)
693 const_iv (PROT_NONE)
694 const_iv (PROT_READ) 808 const_iv (PROT_READ)
695 const_iv (PROT_WRITE) 809 const_iv (PROT_WRITE)
696 810
697 /*const_iv (MAP_FIXED)*/ 811 /*const_iv (MAP_FIXED)*/
698 const_iv (MAP_PRIVATE) 812 const_iv (MAP_PRIVATE)
… …
704 const_iv (MAP_LOCKED) 818 const_iv (MAP_LOCKED)
705 const_iv (MAP_NORESERVE) 819 const_iv (MAP_NORESERVE)
706 const_iv (MAP_POPULATE) 820 const_iv (MAP_POPULATE)
707 const_iv (MAP_NONBLOCK) 821 const_iv (MAP_NONBLOCK)
708 822
709 const_iv (MCL_FUTURE) 823 const_eio (MCL_FUTURE)
710 const_iv (MCL_CURRENT) 824 const_eio (MCL_CURRENT)
711 825
712 const_eio (MS_ASYNC) 826 const_eio (MS_ASYNC)
713 const_eio (MS_INVALIDATE) 827 const_eio (MS_INVALIDATE)
714 const_eio (MS_SYNC) 828 const_eio (MS_SYNC)
715 829
… …
789 CODE: 903 CODE:
790 max_outstanding = maxreqs; 904 max_outstanding = maxreqs;
791 905
792void 906void
793aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 907aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
794 PROTOTYPE: $$$;$
795 PPCODE: 908 PPCODE:
796{ 909{
797 dREQ; 910 dREQ;
798 911
799 req->type = EIO_OPEN; 912 req->type = EIO_OPEN;
… …
805 REQ_SEND; 918 REQ_SEND;
806} 919}
807 920
808void 921void
809aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 922aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
810 PROTOTYPE: $;$
811 ALIAS: 923 ALIAS:
812 aio_fsync = EIO_FSYNC 924 aio_fsync = EIO_FSYNC
813 aio_fdatasync = EIO_FDATASYNC 925 aio_fdatasync = EIO_FDATASYNC
814 PPCODE: 926 PPCODE:
815{ 927{
… …
823 REQ_SEND (req); 935 REQ_SEND (req);
824} 936}
825 937
826void 938void
827aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 939aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
828 PROTOTYPE: $$$$;$
829 PPCODE: 940 PPCODE:
830{ 941{
831 int fd = s_fileno_croak (fh, 0); 942 int fd = s_fileno_croak (fh, 0);
832 dREQ; 943 dREQ;
833 944
… …
841 REQ_SEND (req); 952 REQ_SEND (req);
842} 953}
843 954
844void 955void
845aio_close (SV *fh, SV *callback=&PL_sv_undef) 956aio_close (SV *fh, SV *callback=&PL_sv_undef)
846 PROTOTYPE: $;$
847 PPCODE: 957 PPCODE:
848{ 958{
849 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 959 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
850 int fd = s_fileno_croak (fh, 0); 960 int fd = s_fileno_croak (fh, 0);
851 dREQ; 961 dREQ;
… …
873void 983void
874aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 984aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
875 ALIAS: 985 ALIAS:
876 aio_read = EIO_READ 986 aio_read = EIO_READ
877 aio_write = EIO_WRITE 987 aio_write = EIO_WRITE
878 PROTOTYPE: $$$$$;$
879 PPCODE: 988 PPCODE:
880{ 989{
881 STRLEN svlen; 990 STRLEN svlen;
882 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 991 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
883 char *svptr = SvPVbyte (data, svlen); 992 char *svptr = SvPVbyte (data, svlen);
… …
924 } 1033 }
925} 1034}
926 1035
927void 1036void
928aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1037aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)
929 PROTOTYPE: $$;$
930 PPCODE: 1038 PPCODE:
931{ 1039{
932 SV *data; 1040 SV *data;
933 dREQ; 1041 dREQ;
934 1042
… …
939 REQ_SEND; 1047 REQ_SEND;
940} 1048}
941 1049
942void 1050void
943aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1051aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
944 PROTOTYPE: $$$$;$
945 PPCODE: 1052 PPCODE:
946{ 1053{
947 int ifd = s_fileno_croak (in_fh , 0); 1054 int ifd = s_fileno_croak (in_fh , 0);
948 int ofd = s_fileno_croak (out_fh, 1); 1055 int ofd = s_fileno_croak (out_fh, 1);
949 dREQ; 1056 dREQ;
… …
959 REQ_SEND; 1066 REQ_SEND;
960} 1067}
961 1068
962void 1069void
963aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1070aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
964 PROTOTYPE: $$$;$
965 PPCODE: 1071 PPCODE:
966{ 1072{
967 int fd = s_fileno_croak (fh, 0); 1073 int fd = s_fileno_croak (fh, 0);
968 dREQ; 1074 dREQ;
969 1075
… …
1000 } 1106 }
1001 1107
1002 REQ_SEND; 1108 REQ_SEND;
1003} 1109}
1004 1110
1111UV
1112major (UV dev)
1113 ALIAS:
1114 minor = 1
1115 CODE:
1116 RETVAL = ix ? major (dev) : minor (dev);
1117 OUTPUT:
1118 RETVAL
1119
1120UV
1121makedev (UV maj, UV min)
1122 CODE:
1123 RETVAL = makedev (maj, min);
1124 OUTPUT:
1125 RETVAL
1126
1005void 1127void
1006aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1128aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)
1007 PPCODE: 1129 PPCODE:
1008{ 1130{
1009 dREQ; 1131 dREQ;
… …
1170void 1292void
1171aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1293aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1172 ALIAS: 1294 ALIAS:
1173 aio_mtouch = EIO_MTOUCH 1295 aio_mtouch = EIO_MTOUCH
1174 aio_msync = EIO_MSYNC 1296 aio_msync = EIO_MSYNC
1175 PROTOTYPE: $$$$;$
1176 PPCODE: 1297 PPCODE:
1177{ 1298{
1178 STRLEN svlen; 1299 STRLEN svlen;
1300 char *svptr = SvPVbyte (data, svlen);
1179 UV len = SvUV (length); 1301 UV len = SvUV (length);
1180 char *svptr = SvPVbyte (data, svlen);
1181 1302
1182 if (offset < 0) 1303 if (offset < 0)
1183 offset += svlen; 1304 offset += svlen;
1184 1305
1185 if (offset < 0 || offset > svlen) 1306 if (offset < 0 || offset > svlen)
… …
1190 1311
1191 { 1312 {
1192 dREQ; 1313 dREQ;
1193 1314
1194 req->type = ix; 1315 req->type = ix;
1195 req->size = len;
1196 req->sv2 = SvREFCNT_inc (data); 1316 req->sv2 = SvREFCNT_inc (data);
1197 req->ptr2 = (char *)svptr + offset; 1317 req->ptr2 = (char *)svptr + offset;
1318 req->size = len;
1198 req->int1 = flags; 1319 req->int1 = flags;
1199 1320
1200 REQ_SEND; 1321 REQ_SEND;
1201 } 1322 }
1202} 1323}
1203 1324
1204void 1325void
1326aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
1327 PPCODE:
1328{
1329 STRLEN svlen;
1330 char *svptr = SvPVbyte (data, svlen);
1331 UV len = SvUV (length);
1332
1333 if (offset < 0)
1334 offset += svlen;
1335
1336 if (offset < 0 || offset > svlen)
1337 croak ("offset outside of scalar");
1338
1339 if (!SvOK (length) || len + offset > svlen)
1340 len = svlen - offset;
1341
1342 {
1343 dREQ;
1344
1345 req->type = EIO_MLOCK;
1346 req->sv2 = SvREFCNT_inc (data);
1347 req->ptr2 = (char *)svptr + offset;
1348 req->size = len;
1349
1350 REQ_SEND;
1351 }
1352}
1353
1354void
1355aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
1356 PPCODE:
1357{
1358 dREQ;
1359
1360 req->type = EIO_MLOCKALL;
1361 req->int1 = flags;
1362
1363 REQ_SEND;
1364}
1365
1366void
1205aio_busy (double delay, SV *callback=&PL_sv_undef) 1367aio_busy (double delay, SV *callback=&PL_sv_undef)
1206 PPCODE: 1368 PPCODE:
1207{ 1369{
1208 dREQ; 1370 dREQ;
1209 1371
… …
1213 REQ_SEND; 1375 REQ_SEND;
1214} 1376}
1215 1377
1216void 1378void
1217aio_group (SV *callback=&PL_sv_undef) 1379aio_group (SV *callback=&PL_sv_undef)
1218 PROTOTYPE: ;$
1219 PPCODE: 1380 PPCODE:
1220{ 1381{
1221 dREQ; 1382 dREQ;
1222 1383
1223 req->type = EIO_GROUP; 1384 req->type = EIO_GROUP;
… …
1240 REQ_SEND; 1401 REQ_SEND;
1241} 1402}
1242 1403
1243int 1404int
1244aioreq_pri (int pri = 0) 1405aioreq_pri (int pri = 0)
1245 PROTOTYPE: ;$
1246 CODE: 1406 CODE:
1247 RETVAL = next_pri; 1407 RETVAL = next_pri;
1248 if (items > 0) 1408 if (items > 0)
1249 { 1409 {
1250 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1410 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1262 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1422 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1263 next_pri = nice; 1423 next_pri = nice;
1264 1424
1265void 1425void
1266flush () 1426flush ()
1267 PROTOTYPE:
1268 CODE: 1427 CODE:
1269 while (eio_nreqs ()) 1428 while (eio_nreqs ())
1270 { 1429 {
1271 poll_wait (); 1430 poll_wait ();
1272 poll_cb (); 1431 poll_cb ();
1273 } 1432 }
1274 1433
1275int 1434int
1276poll() 1435poll ()
1277 PROTOTYPE:
1278 CODE: 1436 CODE:
1279 poll_wait (); 1437 poll_wait ();
1280 RETVAL = poll_cb (); 1438 RETVAL = poll_cb ();
1281 OUTPUT: 1439 OUTPUT:
1282 RETVAL 1440 RETVAL
1283 1441
1284int 1442int
1285poll_fileno() 1443poll_fileno ()
1286 PROTOTYPE:
1287 CODE: 1444 CODE:
1288 RETVAL = s_epipe_fd (&respipe); 1445 RETVAL = s_epipe_fd (&respipe);
1289 OUTPUT: 1446 OUTPUT:
1290 RETVAL 1447 RETVAL
1291 1448
1292int 1449int
1293poll_cb(...) 1450poll_cb (...)
1294 PROTOTYPE: 1451 PROTOTYPE:
1295 CODE: 1452 CODE:
1296 RETVAL = poll_cb (); 1453 RETVAL = poll_cb ();
1297 OUTPUT: 1454 OUTPUT:
1298 RETVAL 1455 RETVAL
1299 1456
1300void 1457void
1301poll_wait() 1458poll_wait ()
1302 PROTOTYPE:
1303 CODE: 1459 CODE:
1304 poll_wait (); 1460 poll_wait ();
1305 1461
1306int 1462int
1307nreqs() 1463nreqs ()
1308 PROTOTYPE:
1309 CODE: 1464 CODE:
1310 RETVAL = eio_nreqs (); 1465 RETVAL = eio_nreqs ();
1311 OUTPUT: 1466 OUTPUT:
1312 RETVAL 1467 RETVAL
1313 1468
1314int 1469int
1315nready() 1470nready ()
1316 PROTOTYPE:
1317 CODE: 1471 CODE:
1318 RETVAL = eio_nready (); 1472 RETVAL = eio_nready ();
1319 OUTPUT: 1473 OUTPUT:
1320 RETVAL 1474 RETVAL
1321 1475
1322int 1476int
1323npending() 1477npending ()
1324 PROTOTYPE:
1325 CODE: 1478 CODE:
1326 RETVAL = eio_npending (); 1479 RETVAL = eio_npending ();
1327 OUTPUT: 1480 OUTPUT:
1328 RETVAL 1481 RETVAL
1329 1482
1330int 1483int
1331nthreads() 1484nthreads ()
1332 PROTOTYPE:
1333 CODE: 1485 CODE:
1334 RETVAL = eio_nthreads (); 1486 RETVAL = eio_nthreads ();
1335 OUTPUT: 1487 OUTPUT:
1336 RETVAL 1488 RETVAL
1337 1489
1338int 1490int
1339fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 1491fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1340 PROTOTYPE: $$$$
1341 CODE: 1492 CODE:
1342#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1343 RETVAL = posix_fadvise (fh, offset, length, advice); 1493 RETVAL = posix_fadvise (fh, offset, length, advice);
1344#else
1345 RETVAL = errno = ENOSYS; /* yes, this is actually correct */
1346#endif
1347 OUTPUT: 1494 OUTPUT:
1348 RETVAL 1495 RETVAL
1349 1496
1350ssize_t 1497ssize_t
1351sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 1498sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1352 PROTOTYPE: $$$$
1353 CODE: 1499 CODE:
1354 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 1500 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1355 OUTPUT: 1501 OUTPUT:
1356 RETVAL 1502 RETVAL
1357 1503
1358void 1504void
1359mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 1505mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1360 PROTOTYPE: $$$$$;$
1361 PPCODE: 1506 PPCODE:
1362 sv_unmagic (scalar, MMAP_MAGIC); 1507 sv_unmagic (scalar, MMAP_MAGIC);
1363{ 1508{
1364 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 1509 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1365 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 1510 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1366 if (addr == (void *)-1) 1511 if (addr == (void *)-1)
1367 XSRETURN_NO; 1512 XSRETURN_NO;
1368 1513
1514 sv_force_normal (scalar);
1515
1369 /* we store the length in mg_obj, as namlen is I32 :/ */ 1516 /* we store the length in mg_obj, as namlen is I32 :/ */
1370 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0) 1517 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1371 ->mg_obj = (SV *)length; 1518 ->mg_obj = (SV *)length;
1372 1519
1373 SvUPGRADE (scalar, SVt_PV); /* nop... */ 1520 SvUPGRADE (scalar, SVt_PV); /* nop... */
1521
1374 if (!(prot & PROT_WRITE)) 1522 if (!(prot & PROT_WRITE))
1375 SvREADONLY_on (scalar); 1523 SvREADONLY_on (scalar);
1524
1525 if (SvLEN (scalar))
1526 Safefree (SvPVX (scalar));
1376 1527
1377 SvPVX (scalar) = (char *)addr; 1528 SvPVX (scalar) = (char *)addr;
1378 SvCUR_set (scalar, length); 1529 SvCUR_set (scalar, length);
1379 SvLEN_set (scalar, 0); 1530 SvLEN_set (scalar, 0);
1380 SvPOK_only (scalar); 1531 SvPOK_only (scalar);
… …
1382 XSRETURN_YES; 1533 XSRETURN_YES;
1383} 1534}
1384 1535
1385void 1536void
1386munmap (SV *scalar) 1537munmap (SV *scalar)
1387 PROTOTYPE: $
1388 CODE: 1538 CODE:
1389 sv_unmagic (scalar, MMAP_MAGIC); 1539 sv_unmagic (scalar, MMAP_MAGIC);
1390 1540
1391int 1541int
1392mlockall (int flags) 1542madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1393 PROTOTYPE: $ 1543 ALIAS:
1544 mprotect = 1
1394 CODE: 1545 CODE:
1546{
1547 STRLEN svlen;
1548 void *addr = SvPVbyte (scalar, svlen);
1549 size_t len = SvUV (length);
1550
1551 if (offset < 0)
1552 offset += svlen;
1553
1554 if (offset < 0 || offset > svlen)
1555 croak ("offset outside of scalar");
1556
1557 if (!SvOK (length) || len + offset > svlen)
1558 len = svlen - offset;
1559
1560 addr = (void *)(((intptr_t)addr) + offset);
1561 eio_page_align (&addr, &len);
1562
1563 switch (ix)
1564 {
1565 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
1566 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
1567 }
1568}
1569 OUTPUT:
1570 RETVAL
1571
1572int
1573munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
1574 CODE:
1575{
1576 STRLEN svlen;
1577 void *addr = SvPVbyte (scalar, svlen);
1578 size_t len = SvUV (length);
1579
1580 if (offset < 0)
1581 offset += svlen;
1582
1583 if (offset < 0 || offset > svlen)
1584 croak ("offset outside of scalar");
1585
1586 if (!SvOK (length) || len + offset > svlen)
1587 len = svlen - offset;
1588
1589 addr = (void *)(((intptr_t)addr) + offset);
1590 eio_page_align (&addr, &len);
1395#if _POSIX_MEMLOCK 1591#if _POSIX_MEMLOCK_RANGE
1396#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7 1592 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 1593#else
1402 RETVAL = -1; 1594 RETVAL = ((errno = ENOSYS), -1);
1403 errno = ENOSYS;
1404#endif 1595#endif
1596}
1405 OUTPUT: 1597 OUTPUT:
1406 RETVAL 1598 RETVAL
1407 1599
1408int 1600int
1409munlockall () 1601munlockall ()
1410 PROTOTYPE:
1411 CODE: 1602 CODE:
1412#if _POSIX_MEMLOCK 1603#if _POSIX_MEMLOCK
1413 munlockall (); 1604 munlockall ();
1414#else 1605#else
1415 RETVAL = -1; 1606 RETVAL = -1;

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