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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.165 by root, Sun May 9 20:42:55 2010 UTC vs.
Revision 1.181 by root, Tue Feb 15 03:21:41 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;
316 static SV *sv_result_cache; /* caches the result integer SV */ 380 static SV *sv_result_cache; /* caches the result integer SV */
317 SV *sv_result; 381 SV *sv_result;
318 382
319 ENTER; 383 ENTER;
320 SAVETMPS; 384 SAVETMPS;
… …
324 /* do not recreate the result IV from scratch each time */ 388 /* do not recreate the result IV from scratch each time */
325 if (expect_true (sv_result_cache)) 389 if (expect_true (sv_result_cache))
326 { 390 {
327 sv_result = sv_result_cache; sv_result_cache = 0; 391 sv_result = sv_result_cache; sv_result_cache = 0;
328 SvIV_set (sv_result, req->result); 392 SvIV_set (sv_result, req->result);
393 SvIOK_only (sv_result);
329 } 394 }
330 else 395 else
331 { 396 {
332 sv_result = newSViv (req->result); 397 sv_result = newSViv (req->result);
333 SvREADONLY_on (sv_result); 398 SvREADONLY_on (sv_result);
… …
497 SvSETMAGIC (req->sv2); 562 SvSETMAGIC (req->sv2);
498 PUSHs (sv_result); 563 PUSHs (sv_result);
499 } 564 }
500 break; 565 break;
501 566
502 case EIO_DUP2: 567 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
503 if (req->result > 0) 568 if (req->result > 0)
504 SvIV_set (sv_result, 0); 569 SvIV_set (sv_result, 0);
505 /* FALLTHROUGH */ 570 /* FALLTHROUGH */
506 571
507 default: 572 default:
… …
609#if !_POSIX_MAPPED_FILES 674#if !_POSIX_MAPPED_FILES
610# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1) 675# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
611# define munmap(addr,length) (errno = ENOSYS, -1) 676# define munmap(addr,length) (errno = ENOSYS, -1)
612#endif 677#endif
613 678
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
614#define MMAP_MAGIC PERL_MAGIC_ext 688#define MMAP_MAGIC PERL_MAGIC_ext
615 689
616static int 690static int
617mmap_free (pTHX_ SV *sv, MAGIC *mg) 691mmap_free (pTHX_ SV *sv, MAGIC *mg)
618{ 692{
… …
621 errno = old_errno; 695 errno = old_errno;
622 696
623 mg->mg_obj = 0; /* just in case */ 697 mg->mg_obj = 0; /* just in case */
624 698
625 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
626 SvCUR_set (sv, 0); 704 SvCUR_set (sv, 0);
627 SvLEN_set (sv, 0);
628 SvPVX (sv) = 0; 705 SvPVX (sv) = 0;
629 SvOK_off (sv); 706 SvOK_off (sv);
630 707
631 return 0; 708 return 0;
632} 709}
… …
687 const_iv (O_RDWR) 764 const_iv (O_RDWR)
688 const_iv (O_CREAT) 765 const_iv (O_CREAT)
689 const_iv (O_TRUNC) 766 const_iv (O_TRUNC)
690 const_iv (O_EXCL) 767 const_iv (O_EXCL)
691 const_iv (O_APPEND) 768 const_iv (O_APPEND)
692#ifndef _WIN32 769
693 const_iv (S_IFIFO) 770 const_iv (S_IFIFO)
694#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
695 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) 780 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
696 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 781 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
697 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) 782 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
698 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 783 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
699 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 784 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
700 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)
701 792
702 const_iv (ST_RDONLY) 793 const_iv (ST_RDONLY)
703 const_iv (ST_NOSUID) 794 const_iv (ST_NOSUID)
704 const_iv (ST_NODEV) 795 const_iv (ST_NODEV)
705 const_iv (ST_NOEXEC) 796 const_iv (ST_NOEXEC)
… …
710 const_iv (ST_IMMUTABLE) 801 const_iv (ST_IMMUTABLE)
711 const_iv (ST_NOATIME) 802 const_iv (ST_NOATIME)
712 const_iv (ST_NODIRATIME) 803 const_iv (ST_NODIRATIME)
713 const_iv (ST_RELATIME) 804 const_iv (ST_RELATIME)
714 805
806 const_iv (PROT_NONE)
715 const_iv (PROT_EXEC) 807 const_iv (PROT_EXEC)
716 const_iv (PROT_NONE)
717 const_iv (PROT_READ) 808 const_iv (PROT_READ)
718 const_iv (PROT_WRITE) 809 const_iv (PROT_WRITE)
719 810
720 /*const_iv (MAP_FIXED)*/ 811 /*const_iv (MAP_FIXED)*/
721 const_iv (MAP_PRIVATE) 812 const_iv (MAP_PRIVATE)
… …
727 const_iv (MAP_LOCKED) 818 const_iv (MAP_LOCKED)
728 const_iv (MAP_NORESERVE) 819 const_iv (MAP_NORESERVE)
729 const_iv (MAP_POPULATE) 820 const_iv (MAP_POPULATE)
730 const_iv (MAP_NONBLOCK) 821 const_iv (MAP_NONBLOCK)
731 822
732 const_iv (MCL_FUTURE) 823 const_eio (MCL_FUTURE)
733 const_iv (MCL_CURRENT) 824 const_eio (MCL_CURRENT)
734 825
735 const_eio (MS_ASYNC) 826 const_eio (MS_ASYNC)
736 const_eio (MS_INVALIDATE) 827 const_eio (MS_INVALIDATE)
737 const_eio (MS_SYNC) 828 const_eio (MS_SYNC)
738 829
… …
775 /* atfork child called in fifo order, so before eio's handler */ 866 /* atfork child called in fifo order, so before eio's handler */
776 X_THREAD_ATFORK (0, 0, atfork_child); 867 X_THREAD_ATFORK (0, 0, atfork_child);
777} 868}
778 869
779void 870void
780max_poll_reqs (int nreqs) 871max_poll_reqs (unsigned int nreqs)
781 PROTOTYPE: $ 872 PROTOTYPE: $
782 CODE: 873 CODE:
783 eio_set_max_poll_reqs (nreqs); 874 eio_set_max_poll_reqs (nreqs);
784 875
785void 876void
… …
787 PROTOTYPE: $ 878 PROTOTYPE: $
788 CODE: 879 CODE:
789 eio_set_max_poll_time (nseconds); 880 eio_set_max_poll_time (nseconds);
790 881
791void 882void
792min_parallel (int nthreads) 883min_parallel (unsigned int nthreads)
793 PROTOTYPE: $ 884 PROTOTYPE: $
794 CODE: 885 CODE:
795 eio_set_min_parallel (nthreads); 886 eio_set_min_parallel (nthreads);
796 887
797void 888void
798max_parallel (int nthreads) 889max_parallel (unsigned int nthreads)
799 PROTOTYPE: $ 890 PROTOTYPE: $
800 CODE: 891 CODE:
801 eio_set_max_parallel (nthreads); 892 eio_set_max_parallel (nthreads);
802 893
803void 894void
804max_idle (int nthreads) 895max_idle (unsigned int nthreads)
805 PROTOTYPE: $ 896 PROTOTYPE: $
806 CODE: 897 CODE:
807 eio_set_max_idle (nthreads); 898 eio_set_max_idle (nthreads);
808 899
809void 900void
901idle_timeout (unsigned int seconds)
902 PROTOTYPE: $
903 CODE:
904 eio_set_idle_timeout (seconds);
905
906void
810max_outstanding (int maxreqs) 907max_outstanding (unsigned int maxreqs)
811 PROTOTYPE: $ 908 PROTOTYPE: $
812 CODE: 909 CODE:
813 max_outstanding = maxreqs; 910 max_outstanding = maxreqs;
814 911
815void 912void
816aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 913aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
817 PROTOTYPE: $$$;$
818 PPCODE: 914 PPCODE:
819{ 915{
820 dREQ; 916 dREQ;
821 917
822 req->type = EIO_OPEN; 918 req->type = EIO_OPEN;
… …
828 REQ_SEND; 924 REQ_SEND;
829} 925}
830 926
831void 927void
832aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 928aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
833 PROTOTYPE: $;$
834 ALIAS: 929 ALIAS:
835 aio_fsync = EIO_FSYNC 930 aio_fsync = EIO_FSYNC
836 aio_fdatasync = EIO_FDATASYNC 931 aio_fdatasync = EIO_FDATASYNC
837 PPCODE: 932 PPCODE:
838{ 933{
… …
846 REQ_SEND (req); 941 REQ_SEND (req);
847} 942}
848 943
849void 944void
850aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 945aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
851 PROTOTYPE: $$$$;$
852 PPCODE: 946 PPCODE:
853{ 947{
854 int fd = s_fileno_croak (fh, 0); 948 int fd = s_fileno_croak (fh, 0);
855 dREQ; 949 dREQ;
856 950
… …
864 REQ_SEND (req); 958 REQ_SEND (req);
865} 959}
866 960
867void 961void
868aio_close (SV *fh, SV *callback=&PL_sv_undef) 962aio_close (SV *fh, SV *callback=&PL_sv_undef)
869 PROTOTYPE: $;$
870 PPCODE: 963 PPCODE:
871{ 964{
872 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 965 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
873 int fd = s_fileno_croak (fh, 0); 966 int fd = s_fileno_croak (fh, 0);
874 dREQ; 967 dREQ;
… …
896void 989void
897aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 990aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
898 ALIAS: 991 ALIAS:
899 aio_read = EIO_READ 992 aio_read = EIO_READ
900 aio_write = EIO_WRITE 993 aio_write = EIO_WRITE
901 PROTOTYPE: $$$$$;$
902 PPCODE: 994 PPCODE:
903{ 995{
904 STRLEN svlen; 996 STRLEN svlen;
905 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 997 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
906 char *svptr = SvPVbyte (data, svlen); 998 char *svptr = SvPVbyte (data, svlen);
… …
947 } 1039 }
948} 1040}
949 1041
950void 1042void
951aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1043aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)
952 PROTOTYPE: $$;$
953 PPCODE: 1044 PPCODE:
954{ 1045{
955 SV *data; 1046 SV *data;
956 dREQ; 1047 dREQ;
957 1048
… …
962 REQ_SEND; 1053 REQ_SEND;
963} 1054}
964 1055
965void 1056void
966aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1057aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
967 PROTOTYPE: $$$$;$
968 PPCODE: 1058 PPCODE:
969{ 1059{
970 int ifd = s_fileno_croak (in_fh , 0); 1060 int ifd = s_fileno_croak (in_fh , 0);
971 int ofd = s_fileno_croak (out_fh, 1); 1061 int ofd = s_fileno_croak (out_fh, 1);
972 dREQ; 1062 dREQ;
… …
982 REQ_SEND; 1072 REQ_SEND;
983} 1073}
984 1074
985void 1075void
986aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1076aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
987 PROTOTYPE: $$$;$
988 PPCODE: 1077 PPCODE:
989{ 1078{
990 int fd = s_fileno_croak (fh, 0); 1079 int fd = s_fileno_croak (fh, 0);
991 dREQ; 1080 dREQ;
992 1081
… …
1023 } 1112 }
1024 1113
1025 REQ_SEND; 1114 REQ_SEND;
1026} 1115}
1027 1116
1117UV
1118major (UV dev)
1119 ALIAS:
1120 minor = 1
1121 CODE:
1122 RETVAL = ix ? major (dev) : minor (dev);
1123 OUTPUT:
1124 RETVAL
1125
1126UV
1127makedev (UV maj, UV min)
1128 CODE:
1129 RETVAL = makedev (maj, min);
1130 OUTPUT:
1131 RETVAL
1132
1028void 1133void
1029aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1134aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)
1030 PPCODE: 1135 PPCODE:
1031{ 1136{
1032 dREQ; 1137 dREQ;
… …
1193void 1298void
1194aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1299aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1195 ALIAS: 1300 ALIAS:
1196 aio_mtouch = EIO_MTOUCH 1301 aio_mtouch = EIO_MTOUCH
1197 aio_msync = EIO_MSYNC 1302 aio_msync = EIO_MSYNC
1198 PROTOTYPE: $$$$;$
1199 PPCODE: 1303 PPCODE:
1200{ 1304{
1201 STRLEN svlen; 1305 STRLEN svlen;
1306 char *svptr = SvPVbyte (data, svlen);
1202 UV len = SvUV (length); 1307 UV len = SvUV (length);
1203 char *svptr = SvPVbyte (data, svlen);
1204 1308
1205 if (offset < 0) 1309 if (offset < 0)
1206 offset += svlen; 1310 offset += svlen;
1207 1311
1208 if (offset < 0 || offset > svlen) 1312 if (offset < 0 || offset > svlen)
… …
1213 1317
1214 { 1318 {
1215 dREQ; 1319 dREQ;
1216 1320
1217 req->type = ix; 1321 req->type = ix;
1218 req->size = len;
1219 req->sv2 = SvREFCNT_inc (data); 1322 req->sv2 = SvREFCNT_inc (data);
1220 req->ptr2 = (char *)svptr + offset; 1323 req->ptr2 = (char *)svptr + offset;
1324 req->size = len;
1221 req->int1 = flags; 1325 req->int1 = flags;
1222 1326
1223 REQ_SEND; 1327 REQ_SEND;
1224 } 1328 }
1225} 1329}
1226 1330
1227void 1331void
1332aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
1333 PPCODE:
1334{
1335 STRLEN svlen;
1336 char *svptr = SvPVbyte (data, svlen);
1337 UV len = SvUV (length);
1338
1339 if (offset < 0)
1340 offset += svlen;
1341
1342 if (offset < 0 || offset > svlen)
1343 croak ("offset outside of scalar");
1344
1345 if (!SvOK (length) || len + offset > svlen)
1346 len = svlen - offset;
1347
1348 {
1349 dREQ;
1350
1351 req->type = EIO_MLOCK;
1352 req->sv2 = SvREFCNT_inc (data);
1353 req->ptr2 = (char *)svptr + offset;
1354 req->size = len;
1355
1356 REQ_SEND;
1357 }
1358}
1359
1360void
1361aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
1362 PPCODE:
1363{
1364 dREQ;
1365
1366 req->type = EIO_MLOCKALL;
1367 req->int1 = flags;
1368
1369 REQ_SEND;
1370}
1371
1372void
1228aio_busy (double delay, SV *callback=&PL_sv_undef) 1373aio_busy (double delay, SV *callback=&PL_sv_undef)
1229 PPCODE: 1374 PPCODE:
1230{ 1375{
1231 dREQ; 1376 dREQ;
1232 1377
… …
1236 REQ_SEND; 1381 REQ_SEND;
1237} 1382}
1238 1383
1239void 1384void
1240aio_group (SV *callback=&PL_sv_undef) 1385aio_group (SV *callback=&PL_sv_undef)
1241 PROTOTYPE: ;$
1242 PPCODE: 1386 PPCODE:
1243{ 1387{
1244 dREQ; 1388 dREQ;
1245 1389
1246 req->type = EIO_GROUP; 1390 req->type = EIO_GROUP;
… …
1263 REQ_SEND; 1407 REQ_SEND;
1264} 1408}
1265 1409
1266int 1410int
1267aioreq_pri (int pri = 0) 1411aioreq_pri (int pri = 0)
1268 PROTOTYPE: ;$
1269 CODE: 1412 CODE:
1270 RETVAL = next_pri; 1413 RETVAL = next_pri;
1271 if (items > 0) 1414 if (items > 0)
1272 { 1415 {
1273 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1416 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1285 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1428 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1286 next_pri = nice; 1429 next_pri = nice;
1287 1430
1288void 1431void
1289flush () 1432flush ()
1290 PROTOTYPE:
1291 CODE: 1433 CODE:
1292 while (eio_nreqs ()) 1434 while (eio_nreqs ())
1293 { 1435 {
1294 poll_wait (); 1436 poll_wait ();
1295 poll_cb (); 1437 poll_cb ();
1296 } 1438 }
1297 1439
1298int 1440int
1299poll() 1441poll ()
1300 PROTOTYPE:
1301 CODE: 1442 CODE:
1302 poll_wait (); 1443 poll_wait ();
1303 RETVAL = poll_cb (); 1444 RETVAL = poll_cb ();
1304 OUTPUT: 1445 OUTPUT:
1305 RETVAL 1446 RETVAL
1306 1447
1307int 1448int
1308poll_fileno() 1449poll_fileno ()
1309 PROTOTYPE:
1310 CODE: 1450 CODE:
1311 RETVAL = s_epipe_fd (&respipe); 1451 RETVAL = s_epipe_fd (&respipe);
1312 OUTPUT: 1452 OUTPUT:
1313 RETVAL 1453 RETVAL
1314 1454
1315int 1455int
1316poll_cb(...) 1456poll_cb (...)
1317 PROTOTYPE: 1457 PROTOTYPE:
1318 CODE: 1458 CODE:
1319 RETVAL = poll_cb (); 1459 RETVAL = poll_cb ();
1320 OUTPUT: 1460 OUTPUT:
1321 RETVAL 1461 RETVAL
1322 1462
1323void 1463void
1324poll_wait() 1464poll_wait ()
1325 PROTOTYPE:
1326 CODE: 1465 CODE:
1327 poll_wait (); 1466 poll_wait ();
1328 1467
1329int 1468int
1330nreqs() 1469nreqs ()
1331 PROTOTYPE:
1332 CODE: 1470 CODE:
1333 RETVAL = eio_nreqs (); 1471 RETVAL = eio_nreqs ();
1334 OUTPUT: 1472 OUTPUT:
1335 RETVAL 1473 RETVAL
1336 1474
1337int 1475int
1338nready() 1476nready ()
1339 PROTOTYPE:
1340 CODE: 1477 CODE:
1341 RETVAL = eio_nready (); 1478 RETVAL = eio_nready ();
1342 OUTPUT: 1479 OUTPUT:
1343 RETVAL 1480 RETVAL
1344 1481
1345int 1482int
1346npending() 1483npending ()
1347 PROTOTYPE:
1348 CODE: 1484 CODE:
1349 RETVAL = eio_npending (); 1485 RETVAL = eio_npending ();
1350 OUTPUT: 1486 OUTPUT:
1351 RETVAL 1487 RETVAL
1352 1488
1353int 1489int
1354nthreads() 1490nthreads ()
1355 PROTOTYPE:
1356 CODE: 1491 CODE:
1357 RETVAL = eio_nthreads (); 1492 RETVAL = eio_nthreads ();
1358 OUTPUT: 1493 OUTPUT:
1359 RETVAL 1494 RETVAL
1360 1495
1361int 1496int
1362fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 1497fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1363 PROTOTYPE: $$$$
1364 CODE: 1498 CODE:
1365#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1366 RETVAL = posix_fadvise (fh, offset, length, advice); 1499 RETVAL = posix_fadvise (fh, offset, length, advice);
1367#else
1368 RETVAL = errno = ENOSYS; /* yes, this is actually correct */
1369#endif
1370 OUTPUT: 1500 OUTPUT:
1371 RETVAL 1501 RETVAL
1372 1502
1373ssize_t 1503ssize_t
1374sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 1504sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1375 PROTOTYPE: $$$$
1376 CODE: 1505 CODE:
1377 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 1506 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1378 OUTPUT: 1507 OUTPUT:
1379 RETVAL 1508 RETVAL
1380 1509
1381void 1510void
1382mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 1511mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1383 PROTOTYPE: $$$$$;$
1384 PPCODE: 1512 PPCODE:
1385 sv_unmagic (scalar, MMAP_MAGIC); 1513 sv_unmagic (scalar, MMAP_MAGIC);
1386{ 1514{
1387 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 1515 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1388 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 1516 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1389 if (addr == (void *)-1) 1517 if (addr == (void *)-1)
1390 XSRETURN_NO; 1518 XSRETURN_NO;
1391 1519
1520 sv_force_normal (scalar);
1521
1392 /* we store the length in mg_obj, as namlen is I32 :/ */ 1522 /* we store the length in mg_obj, as namlen is I32 :/ */
1393 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0) 1523 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1394 ->mg_obj = (SV *)length; 1524 ->mg_obj = (SV *)length;
1395 1525
1396 SvUPGRADE (scalar, SVt_PV); /* nop... */ 1526 SvUPGRADE (scalar, SVt_PV); /* nop... */
1527
1397 if (!(prot & PROT_WRITE)) 1528 if (!(prot & PROT_WRITE))
1398 SvREADONLY_on (scalar); 1529 SvREADONLY_on (scalar);
1530
1531 if (SvLEN (scalar))
1532 Safefree (SvPVX (scalar));
1399 1533
1400 SvPVX (scalar) = (char *)addr; 1534 SvPVX (scalar) = (char *)addr;
1401 SvCUR_set (scalar, length); 1535 SvCUR_set (scalar, length);
1402 SvLEN_set (scalar, 0); 1536 SvLEN_set (scalar, 0);
1403 SvPOK_only (scalar); 1537 SvPOK_only (scalar);
… …
1405 XSRETURN_YES; 1539 XSRETURN_YES;
1406} 1540}
1407 1541
1408void 1542void
1409munmap (SV *scalar) 1543munmap (SV *scalar)
1410 PROTOTYPE: $
1411 CODE: 1544 CODE:
1412 sv_unmagic (scalar, MMAP_MAGIC); 1545 sv_unmagic (scalar, MMAP_MAGIC);
1413 1546
1414int 1547int
1415mlockall (int flags) 1548madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1416 PROTOTYPE: $ 1549 ALIAS:
1550 mprotect = 1
1417 CODE: 1551 CODE:
1552{
1553 STRLEN svlen;
1554 void *addr = SvPVbyte (scalar, svlen);
1555 size_t len = SvUV (length);
1556
1557 if (offset < 0)
1558 offset += svlen;
1559
1560 if (offset < 0 || offset > svlen)
1561 croak ("offset outside of scalar");
1562
1563 if (!SvOK (length) || len + offset > svlen)
1564 len = svlen - offset;
1565
1566 addr = (void *)(((intptr_t)addr) + offset);
1567 eio_page_align (&addr, &len);
1568
1569 switch (ix)
1570 {
1571 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
1572 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
1573 }
1574}
1575 OUTPUT:
1576 RETVAL
1577
1578int
1579munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
1580 CODE:
1581{
1582 STRLEN svlen;
1583 void *addr = SvPVbyte (scalar, svlen);
1584 size_t len = SvUV (length);
1585
1586 if (offset < 0)
1587 offset += svlen;
1588
1589 if (offset < 0 || offset > svlen)
1590 croak ("offset outside of scalar");
1591
1592 if (!SvOK (length) || len + offset > svlen)
1593 len = svlen - offset;
1594
1595 addr = (void *)(((intptr_t)addr) + offset);
1596 eio_page_align (&addr, &len);
1418#if _POSIX_MEMLOCK 1597#if _POSIX_MEMLOCK_RANGE
1419#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7 1598 RETVAL = munlock (addr, len);
1420 extern int mallopt (int, int);
1421 mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1422#endif
1423 mlockall (flags);
1424#else 1599#else
1425 RETVAL = -1; 1600 RETVAL = ((errno = ENOSYS), -1);
1426 errno = ENOSYS;
1427#endif 1601#endif
1602}
1428 OUTPUT: 1603 OUTPUT:
1429 RETVAL 1604 RETVAL
1430 1605
1431int 1606int
1432munlockall () 1607munlockall ()
1433 PROTOTYPE:
1434 CODE: 1608 CODE:
1435#if _POSIX_MEMLOCK 1609#if _POSIX_MEMLOCK
1436 munlockall (); 1610 munlockall ();
1437#else 1611#else
1438 RETVAL = -1; 1612 RETVAL = -1;

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