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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 1.182 by root, Thu May 19 22:57:04 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"
125
126/* Linux/others */
127#ifndef O_ASYNC
128# define O_ASYNC 0
129#endif
130#ifndef O_DIRECT
131# define O_DIRECT 0
132#endif
133#ifndef O_NOATIME
134# define O_NOATIME 0
135#endif
136
137/* POSIX */
138#ifndef O_CLOEXEC
139# define O_CLOEXEC 0
140#endif
141#ifndef O_NOFOLLOW
142# define O_NOFOLLOW 0
143#endif
144#ifndef O_NOCTTY
145# define O_NOCTTY 0
146#endif
147#ifndef O_NONBLOCK
148# define O_NONBLOCK 0
149#endif
150#ifndef O_EXEC
151# define O_EXEC 0
152#endif
153#ifndef O_SEARCH
154# define O_SEARCH 0
155#endif
156#ifndef O_DIRECTORY
157# define O_DIRECTORY 0
158#endif
159#ifndef O_DSYNC
160# define O_DSYNC 0
161#endif
162#ifndef O_RSYNC
163# define O_RSYNC 0
164#endif
165#ifndef O_SYNC
166# define O_SYNC 0
167#endif
168#ifndef O_TTY_INIT
169# define O_TTY_INIT 0
170#endif
124 171
125#ifndef POSIX_FADV_NORMAL 172#ifndef POSIX_FADV_NORMAL
126# define POSIX_FADV_NORMAL 0 173# define POSIX_FADV_NORMAL 0
127# define NO_FADVISE 1
128#endif 174#endif
129#ifndef POSIX_FADV_SEQUENTIAL 175#ifndef POSIX_FADV_SEQUENTIAL
130# define POSIX_FADV_SEQUENTIAL 0 176# define POSIX_FADV_SEQUENTIAL 0
131#endif 177#endif
132#ifndef POSIX_FADV_RANDOM 178#ifndef POSIX_FADV_RANDOM
140#endif 186#endif
141#ifndef POSIX_FADV_DONTNEED 187#ifndef POSIX_FADV_DONTNEED
142# define POSIX_FADV_DONTNEED 0 188# define POSIX_FADV_DONTNEED 0
143#endif 189#endif
144 190
191#if !HAVE_POSIX_FADVISE
192# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
193#endif
194
195#ifndef POSIX_MADV_NORMAL
196# define POSIX_MADV_NORMAL 0
197#endif
198#ifndef POSIX_MADV_SEQUENTIAL
199# define POSIX_MADV_SEQUENTIAL 0
200#endif
201#ifndef POSIX_MADV_RANDOM
202# define POSIX_MADV_RANDOM 0
203#endif
204#ifndef POSIX_MADV_WILLNEED
205# define POSIX_MADV_WILLNEED 0
206#endif
207#ifndef POSIX_MADV_DONTNEED
208# define POSIX_MADV_DONTNEED 0
209#endif
210
211#if !HAVE_POSIX_MADVISE
212# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
213#endif
214
215#ifndef PROT_NONE
216# define PROT_NONE 0
217#endif
218#ifndef PROT_READ
219# define PROT_READ 0
220#endif
221#ifndef PROT_WRITE
222# define PROT_READ 0
223#endif
224#ifndef PROT_EXEC
225# define PROT_EXEC 0
226#endif
227
145#ifndef ST_NODEV 228#ifndef ST_NODEV
146# define ST_NODEV 0 229# define ST_NODEV 0
147#endif 230#endif
148#ifndef ST_NOEXEC 231#ifndef ST_NOEXEC
149# define ST_NOEXEC 0 232# define ST_NOEXEC 0
171#endif 254#endif
172#ifndef ST_RELATIME 255#ifndef ST_RELATIME
173# define ST_RELATIME 0 256# define ST_RELATIME 0
174#endif 257#endif
175 258
176#ifndef MCL_CURRENT 259#ifndef S_IFIFO
177# define MCL_CURRENT 0 260# define S_IFIFO 0
178#endif 261#endif
179#ifndef MCL_FUTURE 262#ifndef S_IFCHR
180# define MCL_FUTURE 0 263# define S_IFCHR 0
264#endif
265#ifndef S_IFBLK
266# define S_IFBLK 0
267#endif
268#ifndef S_IFLNK
269# define S_IFLNK 0
270#endif
271#ifndef S_IFREG
272# define S_IFREG 0
273#endif
274#ifndef S_IFDIR
275# define S_IFDIR 0
276#endif
277#ifndef S_IFWHT
278# define S_IFWHT 0
279#endif
280#ifndef S_IFSOCK
281# define S_IFSOCK 0
181#endif 282#endif
182 283
183#ifndef MAP_ANONYMOUS 284#ifndef MAP_ANONYMOUS
184# ifdef MAP_ANON 285# ifdef MAP_ANON
185# define MAP_ANONYMOUS MAP_ANON 286# define MAP_ANONYMOUS MAP_ANON
199#ifndef MAP_POPULATE 300#ifndef MAP_POPULATE
200# define MAP_POPULATE 0 301# define MAP_POPULATE 0
201#endif 302#endif
202#ifndef MAP_NONBLOCK 303#ifndef MAP_NONBLOCK
203# define MAP_NONBLOCK 0 304# define MAP_NONBLOCK 0
305#endif
306
307#ifndef makedev
308# define makedev(maj,min) (((maj) << 8) | (min))
309#endif
310#ifndef major
311# define major(dev) ((dev) >> 8)
312#endif
313#ifndef minor
314# define minor(dev) ((dev) & 0xff)
204#endif 315#endif
205 316
206#ifndef PAGESIZE 317#ifndef PAGESIZE
207# define PAGESIZE sysconf (_SC_PAGESIZE) 318# define PAGESIZE sysconf (_SC_PAGESIZE)
208#endif 319#endif
304 } 415 }
305} 416}
306 417
307static int req_invoke (eio_req *req) 418static int req_invoke (eio_req *req)
308{ 419{
309 dSP;
310
311 if (req->flags & FLAG_SV2_RO_OFF) 420 if (req->flags & FLAG_SV2_RO_OFF)
312 SvREADONLY_off (req->sv2); 421 SvREADONLY_off (req->sv2);
313 422
314 if (!EIO_CANCELLED (req) && req->callback) 423 if (!EIO_CANCELLED (req) && req->callback)
315 { 424 {
425 dSP;
316 static SV *sv_result_cache; /* caches the result integer SV */ 426 static SV *sv_result_cache; /* caches the result integer SV */
317 SV *sv_result; 427 SV *sv_result;
318 428
319 ENTER; 429 ENTER;
320 SAVETMPS; 430 SAVETMPS;
324 /* do not recreate the result IV from scratch each time */ 434 /* do not recreate the result IV from scratch each time */
325 if (expect_true (sv_result_cache)) 435 if (expect_true (sv_result_cache))
326 { 436 {
327 sv_result = sv_result_cache; sv_result_cache = 0; 437 sv_result = sv_result_cache; sv_result_cache = 0;
328 SvIV_set (sv_result, req->result); 438 SvIV_set (sv_result, req->result);
439 SvIOK_only (sv_result);
329 } 440 }
330 else 441 else
331 { 442 {
332 sv_result = newSViv (req->result); 443 sv_result = newSViv (req->result);
333 SvREADONLY_on (sv_result); 444 SvREADONLY_on (sv_result);
497 SvSETMAGIC (req->sv2); 608 SvSETMAGIC (req->sv2);
498 PUSHs (sv_result); 609 PUSHs (sv_result);
499 } 610 }
500 break; 611 break;
501 612
502 case EIO_DUP2: 613 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
503 if (req->result > 0) 614 if (req->result > 0)
504 SvIV_set (sv_result, 0); 615 SvIV_set (sv_result, 0);
505 /* FALLTHROUGH */ 616 /* FALLTHROUGH */
506 617
507 default: 618 default:
609#if !_POSIX_MAPPED_FILES 720#if !_POSIX_MAPPED_FILES
610# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1) 721# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
611# define munmap(addr,length) (errno = ENOSYS, -1) 722# define munmap(addr,length) (errno = ENOSYS, -1)
612#endif 723#endif
613 724
725#if !_POSIX_MEMORY_PROTECTION
726# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
727# define PROT_NONE 0
728# define PROT_WRITE 0
729# define MAP_PRIVATE 0
730# define MAP_SHARED 0
731# define MAP_FIXED 0
732#endif
733
614#define MMAP_MAGIC PERL_MAGIC_ext 734#define MMAP_MAGIC PERL_MAGIC_ext
615 735
616static int 736static int
617mmap_free (pTHX_ SV *sv, MAGIC *mg) 737mmap_free (pTHX_ SV *sv, MAGIC *mg)
618{ 738{
621 errno = old_errno; 741 errno = old_errno;
622 742
623 mg->mg_obj = 0; /* just in case */ 743 mg->mg_obj = 0; /* just in case */
624 744
625 SvREADONLY_off (sv); 745 SvREADONLY_off (sv);
746
747 if (SvPVX (sv) != mg->mg_ptr)
748 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
749
626 SvCUR_set (sv, 0); 750 SvCUR_set (sv, 0);
627 SvLEN_set (sv, 0);
628 SvPVX (sv) = 0; 751 SvPVX (sv) = 0;
629 SvOK_off (sv); 752 SvOK_off (sv);
630 753
631 return 0; 754 return 0;
632} 755}
687 const_iv (O_RDWR) 810 const_iv (O_RDWR)
688 const_iv (O_CREAT) 811 const_iv (O_CREAT)
689 const_iv (O_TRUNC) 812 const_iv (O_TRUNC)
690 const_iv (O_EXCL) 813 const_iv (O_EXCL)
691 const_iv (O_APPEND) 814 const_iv (O_APPEND)
692#ifndef _WIN32 815
816 const_iv (O_ASYNC)
817 const_iv (O_DIRECT)
818 const_iv (O_NOATIME)
819
820 const_iv (O_CLOEXEC)
821 const_iv (O_NOCTTY)
822 const_iv (O_NOFOLLOW)
823 const_iv (O_NONBLOCK)
824 const_iv (O_EXEC)
825 const_iv (O_SEARCH)
826 const_iv (O_DIRECTORY)
827 const_iv (O_DSYNC)
828 const_iv (O_RSYNC)
829 const_iv (O_SYNC)
830 const_iv (O_TTY_INIT)
831
693 const_iv (S_IFIFO) 832 const_iv (S_IFIFO)
694#endif 833 const_iv (S_IFCHR)
834 const_iv (S_IFBLK)
835 const_iv (S_IFLNK)
836 const_iv (S_IFREG)
837 const_iv (S_IFDIR)
838 const_iv (S_IFWHT)
839 const_iv (S_IFSOCK)
840 const_iv (S_IFMT)
841
695 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) 842 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
696 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 843 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
697 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) 844 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
698 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 845 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
699 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 846 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
700 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 847 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
848
849 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
850 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
851 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
852 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
853 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
701 854
702 const_iv (ST_RDONLY) 855 const_iv (ST_RDONLY)
703 const_iv (ST_NOSUID) 856 const_iv (ST_NOSUID)
704 const_iv (ST_NODEV) 857 const_iv (ST_NODEV)
705 const_iv (ST_NOEXEC) 858 const_iv (ST_NOEXEC)
710 const_iv (ST_IMMUTABLE) 863 const_iv (ST_IMMUTABLE)
711 const_iv (ST_NOATIME) 864 const_iv (ST_NOATIME)
712 const_iv (ST_NODIRATIME) 865 const_iv (ST_NODIRATIME)
713 const_iv (ST_RELATIME) 866 const_iv (ST_RELATIME)
714 867
868 const_iv (PROT_NONE)
715 const_iv (PROT_EXEC) 869 const_iv (PROT_EXEC)
716 const_iv (PROT_NONE)
717 const_iv (PROT_READ) 870 const_iv (PROT_READ)
718 const_iv (PROT_WRITE) 871 const_iv (PROT_WRITE)
719 872
720 /*const_iv (MAP_FIXED)*/ 873 /*const_iv (MAP_FIXED)*/
721 const_iv (MAP_PRIVATE) 874 const_iv (MAP_PRIVATE)
727 const_iv (MAP_LOCKED) 880 const_iv (MAP_LOCKED)
728 const_iv (MAP_NORESERVE) 881 const_iv (MAP_NORESERVE)
729 const_iv (MAP_POPULATE) 882 const_iv (MAP_POPULATE)
730 const_iv (MAP_NONBLOCK) 883 const_iv (MAP_NONBLOCK)
731 884
732 const_iv (MCL_FUTURE) 885 const_eio (MCL_FUTURE)
733 const_iv (MCL_CURRENT) 886 const_eio (MCL_CURRENT)
734 887
735 const_eio (MS_ASYNC) 888 const_eio (MS_ASYNC)
736 const_eio (MS_INVALIDATE) 889 const_eio (MS_INVALIDATE)
737 const_eio (MS_SYNC) 890 const_eio (MS_SYNC)
738 891
775 /* atfork child called in fifo order, so before eio's handler */ 928 /* atfork child called in fifo order, so before eio's handler */
776 X_THREAD_ATFORK (0, 0, atfork_child); 929 X_THREAD_ATFORK (0, 0, atfork_child);
777} 930}
778 931
779void 932void
780max_poll_reqs (int nreqs) 933max_poll_reqs (unsigned int nreqs)
781 PROTOTYPE: $ 934 PROTOTYPE: $
782 CODE: 935 CODE:
783 eio_set_max_poll_reqs (nreqs); 936 eio_set_max_poll_reqs (nreqs);
784 937
785void 938void
787 PROTOTYPE: $ 940 PROTOTYPE: $
788 CODE: 941 CODE:
789 eio_set_max_poll_time (nseconds); 942 eio_set_max_poll_time (nseconds);
790 943
791void 944void
792min_parallel (int nthreads) 945min_parallel (unsigned int nthreads)
793 PROTOTYPE: $ 946 PROTOTYPE: $
794 CODE: 947 CODE:
795 eio_set_min_parallel (nthreads); 948 eio_set_min_parallel (nthreads);
796 949
797void 950void
798max_parallel (int nthreads) 951max_parallel (unsigned int nthreads)
799 PROTOTYPE: $ 952 PROTOTYPE: $
800 CODE: 953 CODE:
801 eio_set_max_parallel (nthreads); 954 eio_set_max_parallel (nthreads);
802 955
803void 956void
804max_idle (int nthreads) 957max_idle (unsigned int nthreads)
805 PROTOTYPE: $ 958 PROTOTYPE: $
806 CODE: 959 CODE:
807 eio_set_max_idle (nthreads); 960 eio_set_max_idle (nthreads);
808 961
809void 962void
963idle_timeout (unsigned int seconds)
964 PROTOTYPE: $
965 CODE:
966 eio_set_idle_timeout (seconds);
967
968void
810max_outstanding (int maxreqs) 969max_outstanding (unsigned int maxreqs)
811 PROTOTYPE: $ 970 PROTOTYPE: $
812 CODE: 971 CODE:
813 max_outstanding = maxreqs; 972 max_outstanding = maxreqs;
814 973
815void 974void
816aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 975aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
817 PROTOTYPE: $$$;$
818 PPCODE: 976 PPCODE:
819{ 977{
820 dREQ; 978 dREQ;
821 979
822 req->type = EIO_OPEN; 980 req->type = EIO_OPEN;
828 REQ_SEND; 986 REQ_SEND;
829} 987}
830 988
831void 989void
832aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 990aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
833 PROTOTYPE: $;$
834 ALIAS: 991 ALIAS:
835 aio_fsync = EIO_FSYNC 992 aio_fsync = EIO_FSYNC
836 aio_fdatasync = EIO_FDATASYNC 993 aio_fdatasync = EIO_FDATASYNC
837 PPCODE: 994 PPCODE:
838{ 995{
846 REQ_SEND (req); 1003 REQ_SEND (req);
847} 1004}
848 1005
849void 1006void
850aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1007aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
851 PROTOTYPE: $$$$;$
852 PPCODE: 1008 PPCODE:
853{ 1009{
854 int fd = s_fileno_croak (fh, 0); 1010 int fd = s_fileno_croak (fh, 0);
855 dREQ; 1011 dREQ;
856 1012
864 REQ_SEND (req); 1020 REQ_SEND (req);
865} 1021}
866 1022
867void 1023void
868aio_close (SV *fh, SV *callback=&PL_sv_undef) 1024aio_close (SV *fh, SV *callback=&PL_sv_undef)
869 PROTOTYPE: $;$
870 PPCODE: 1025 PPCODE:
871{ 1026{
872 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 1027 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
873 int fd = s_fileno_croak (fh, 0); 1028 int fd = s_fileno_croak (fh, 0);
874 dREQ; 1029 dREQ;
896void 1051void
897aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1052aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
898 ALIAS: 1053 ALIAS:
899 aio_read = EIO_READ 1054 aio_read = EIO_READ
900 aio_write = EIO_WRITE 1055 aio_write = EIO_WRITE
901 PROTOTYPE: $$$$$;$
902 PPCODE: 1056 PPCODE:
903{ 1057{
904 STRLEN svlen; 1058 STRLEN svlen;
905 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 1059 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
906 char *svptr = SvPVbyte (data, svlen); 1060 char *svptr = SvPVbyte (data, svlen);
947 } 1101 }
948} 1102}
949 1103
950void 1104void
951aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1105aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)
952 PROTOTYPE: $$;$
953 PPCODE: 1106 PPCODE:
954{ 1107{
955 SV *data; 1108 SV *data;
956 dREQ; 1109 dREQ;
957 1110
962 REQ_SEND; 1115 REQ_SEND;
963} 1116}
964 1117
965void 1118void
966aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1119aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
967 PROTOTYPE: $$$$;$
968 PPCODE: 1120 PPCODE:
969{ 1121{
970 int ifd = s_fileno_croak (in_fh , 0); 1122 int ifd = s_fileno_croak (in_fh , 0);
971 int ofd = s_fileno_croak (out_fh, 1); 1123 int ofd = s_fileno_croak (out_fh, 1);
972 dREQ; 1124 dREQ;
982 REQ_SEND; 1134 REQ_SEND;
983} 1135}
984 1136
985void 1137void
986aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1138aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
987 PROTOTYPE: $$$;$
988 PPCODE: 1139 PPCODE:
989{ 1140{
990 int fd = s_fileno_croak (fh, 0); 1141 int fd = s_fileno_croak (fh, 0);
991 dREQ; 1142 dREQ;
992 1143
1023 } 1174 }
1024 1175
1025 REQ_SEND; 1176 REQ_SEND;
1026} 1177}
1027 1178
1179UV
1180major (UV dev)
1181 ALIAS:
1182 minor = 1
1183 CODE:
1184 RETVAL = ix ? major (dev) : minor (dev);
1185 OUTPUT:
1186 RETVAL
1187
1188UV
1189makedev (UV maj, UV min)
1190 CODE:
1191 RETVAL = makedev (maj, min);
1192 OUTPUT:
1193 RETVAL
1194
1028void 1195void
1029aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1196aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)
1030 PPCODE: 1197 PPCODE:
1031{ 1198{
1032 dREQ; 1199 dREQ;
1193void 1360void
1194aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1361aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1195 ALIAS: 1362 ALIAS:
1196 aio_mtouch = EIO_MTOUCH 1363 aio_mtouch = EIO_MTOUCH
1197 aio_msync = EIO_MSYNC 1364 aio_msync = EIO_MSYNC
1198 PROTOTYPE: $$$$;$
1199 PPCODE: 1365 PPCODE:
1200{ 1366{
1201 STRLEN svlen; 1367 STRLEN svlen;
1368 char *svptr = SvPVbyte (data, svlen);
1202 UV len = SvUV (length); 1369 UV len = SvUV (length);
1203 char *svptr = SvPVbyte (data, svlen);
1204 1370
1205 if (offset < 0) 1371 if (offset < 0)
1206 offset += svlen; 1372 offset += svlen;
1207 1373
1208 if (offset < 0 || offset > svlen) 1374 if (offset < 0 || offset > svlen)
1213 1379
1214 { 1380 {
1215 dREQ; 1381 dREQ;
1216 1382
1217 req->type = ix; 1383 req->type = ix;
1218 req->size = len;
1219 req->sv2 = SvREFCNT_inc (data); 1384 req->sv2 = SvREFCNT_inc (data);
1220 req->ptr2 = (char *)svptr + offset; 1385 req->ptr2 = (char *)svptr + offset;
1386 req->size = len;
1221 req->int1 = flags; 1387 req->int1 = flags;
1222 1388
1223 REQ_SEND; 1389 REQ_SEND;
1224 } 1390 }
1225} 1391}
1226 1392
1227void 1393void
1394aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
1395 PPCODE:
1396{
1397 STRLEN svlen;
1398 char *svptr = SvPVbyte (data, svlen);
1399 UV len = SvUV (length);
1400
1401 if (offset < 0)
1402 offset += svlen;
1403
1404 if (offset < 0 || offset > svlen)
1405 croak ("offset outside of scalar");
1406
1407 if (!SvOK (length) || len + offset > svlen)
1408 len = svlen - offset;
1409
1410 {
1411 dREQ;
1412
1413 req->type = EIO_MLOCK;
1414 req->sv2 = SvREFCNT_inc (data);
1415 req->ptr2 = (char *)svptr + offset;
1416 req->size = len;
1417
1418 REQ_SEND;
1419 }
1420}
1421
1422void
1423aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
1424 PPCODE:
1425{
1426 dREQ;
1427
1428 req->type = EIO_MLOCKALL;
1429 req->int1 = flags;
1430
1431 REQ_SEND;
1432}
1433
1434void
1228aio_busy (double delay, SV *callback=&PL_sv_undef) 1435aio_busy (double delay, SV *callback=&PL_sv_undef)
1229 PPCODE: 1436 PPCODE:
1230{ 1437{
1231 dREQ; 1438 dREQ;
1232 1439
1236 REQ_SEND; 1443 REQ_SEND;
1237} 1444}
1238 1445
1239void 1446void
1240aio_group (SV *callback=&PL_sv_undef) 1447aio_group (SV *callback=&PL_sv_undef)
1241 PROTOTYPE: ;$
1242 PPCODE: 1448 PPCODE:
1243{ 1449{
1244 dREQ; 1450 dREQ;
1245 1451
1246 req->type = EIO_GROUP; 1452 req->type = EIO_GROUP;
1263 REQ_SEND; 1469 REQ_SEND;
1264} 1470}
1265 1471
1266int 1472int
1267aioreq_pri (int pri = 0) 1473aioreq_pri (int pri = 0)
1268 PROTOTYPE: ;$
1269 CODE: 1474 CODE:
1270 RETVAL = next_pri; 1475 RETVAL = next_pri;
1271 if (items > 0) 1476 if (items > 0)
1272 { 1477 {
1273 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1478 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
1285 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1490 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1286 next_pri = nice; 1491 next_pri = nice;
1287 1492
1288void 1493void
1289flush () 1494flush ()
1290 PROTOTYPE:
1291 CODE: 1495 CODE:
1292 while (eio_nreqs ()) 1496 while (eio_nreqs ())
1293 { 1497 {
1294 poll_wait (); 1498 poll_wait ();
1295 poll_cb (); 1499 poll_cb ();
1296 } 1500 }
1297 1501
1298int 1502int
1299poll() 1503poll ()
1300 PROTOTYPE:
1301 CODE: 1504 CODE:
1302 poll_wait (); 1505 poll_wait ();
1303 RETVAL = poll_cb (); 1506 RETVAL = poll_cb ();
1304 OUTPUT: 1507 OUTPUT:
1305 RETVAL 1508 RETVAL
1306 1509
1307int 1510int
1308poll_fileno() 1511poll_fileno ()
1309 PROTOTYPE:
1310 CODE: 1512 CODE:
1311 RETVAL = s_epipe_fd (&respipe); 1513 RETVAL = s_epipe_fd (&respipe);
1312 OUTPUT: 1514 OUTPUT:
1313 RETVAL 1515 RETVAL
1314 1516
1315int 1517int
1316poll_cb(...) 1518poll_cb (...)
1317 PROTOTYPE: 1519 PROTOTYPE:
1318 CODE: 1520 CODE:
1319 RETVAL = poll_cb (); 1521 RETVAL = poll_cb ();
1320 OUTPUT: 1522 OUTPUT:
1321 RETVAL 1523 RETVAL
1322 1524
1323void 1525void
1324poll_wait() 1526poll_wait ()
1325 PROTOTYPE:
1326 CODE: 1527 CODE:
1327 poll_wait (); 1528 poll_wait ();
1328 1529
1329int 1530int
1330nreqs() 1531nreqs ()
1331 PROTOTYPE:
1332 CODE: 1532 CODE:
1333 RETVAL = eio_nreqs (); 1533 RETVAL = eio_nreqs ();
1334 OUTPUT: 1534 OUTPUT:
1335 RETVAL 1535 RETVAL
1336 1536
1337int 1537int
1338nready() 1538nready ()
1339 PROTOTYPE:
1340 CODE: 1539 CODE:
1341 RETVAL = eio_nready (); 1540 RETVAL = eio_nready ();
1342 OUTPUT: 1541 OUTPUT:
1343 RETVAL 1542 RETVAL
1344 1543
1345int 1544int
1346npending() 1545npending ()
1347 PROTOTYPE:
1348 CODE: 1546 CODE:
1349 RETVAL = eio_npending (); 1547 RETVAL = eio_npending ();
1350 OUTPUT: 1548 OUTPUT:
1351 RETVAL 1549 RETVAL
1352 1550
1353int 1551int
1354nthreads() 1552nthreads ()
1355 PROTOTYPE:
1356 CODE: 1553 CODE:
1357 RETVAL = eio_nthreads (); 1554 RETVAL = eio_nthreads ();
1358 OUTPUT: 1555 OUTPUT:
1359 RETVAL 1556 RETVAL
1360 1557
1361int 1558int
1362fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 1559fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1363 PROTOTYPE: $$$$
1364 CODE: 1560 CODE:
1365#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1366 RETVAL = posix_fadvise (fh, offset, length, advice); 1561 RETVAL = posix_fadvise (fh, offset, length, advice);
1367#else
1368 RETVAL = errno = ENOSYS; /* yes, this is actually correct */
1369#endif
1370 OUTPUT: 1562 OUTPUT:
1371 RETVAL 1563 RETVAL
1372 1564
1373ssize_t 1565ssize_t
1374sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 1566sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1375 PROTOTYPE: $$$$
1376 CODE: 1567 CODE:
1377 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 1568 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1378 OUTPUT: 1569 OUTPUT:
1379 RETVAL 1570 RETVAL
1380 1571
1381void 1572void
1382mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 1573mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1383 PROTOTYPE: $$$$$;$
1384 PPCODE: 1574 PPCODE:
1385 sv_unmagic (scalar, MMAP_MAGIC); 1575 sv_unmagic (scalar, MMAP_MAGIC);
1386{ 1576{
1387 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 1577 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1388 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 1578 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1389 if (addr == (void *)-1) 1579 if (addr == (void *)-1)
1390 XSRETURN_NO; 1580 XSRETURN_NO;
1391 1581
1582 sv_force_normal (scalar);
1583
1392 /* we store the length in mg_obj, as namlen is I32 :/ */ 1584 /* we store the length in mg_obj, as namlen is I32 :/ */
1393 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0) 1585 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1394 ->mg_obj = (SV *)length; 1586 ->mg_obj = (SV *)length;
1395 1587
1396 SvUPGRADE (scalar, SVt_PV); /* nop... */ 1588 SvUPGRADE (scalar, SVt_PV); /* nop... */
1589
1397 if (!(prot & PROT_WRITE)) 1590 if (!(prot & PROT_WRITE))
1398 SvREADONLY_on (scalar); 1591 SvREADONLY_on (scalar);
1592
1593 if (SvLEN (scalar))
1594 Safefree (SvPVX (scalar));
1399 1595
1400 SvPVX (scalar) = (char *)addr; 1596 SvPVX (scalar) = (char *)addr;
1401 SvCUR_set (scalar, length); 1597 SvCUR_set (scalar, length);
1402 SvLEN_set (scalar, 0); 1598 SvLEN_set (scalar, 0);
1403 SvPOK_only (scalar); 1599 SvPOK_only (scalar);
1405 XSRETURN_YES; 1601 XSRETURN_YES;
1406} 1602}
1407 1603
1408void 1604void
1409munmap (SV *scalar) 1605munmap (SV *scalar)
1410 PROTOTYPE: $
1411 CODE: 1606 CODE:
1412 sv_unmagic (scalar, MMAP_MAGIC); 1607 sv_unmagic (scalar, MMAP_MAGIC);
1413 1608
1414int 1609int
1415mlockall (int flags) 1610madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1416 PROTOTYPE: $ 1611 ALIAS:
1612 mprotect = 1
1417 CODE: 1613 CODE:
1614{
1615 STRLEN svlen;
1616 void *addr = SvPVbyte (scalar, svlen);
1617 size_t len = SvUV (length);
1618
1619 if (offset < 0)
1620 offset += svlen;
1621
1622 if (offset < 0 || offset > svlen)
1623 croak ("offset outside of scalar");
1624
1625 if (!SvOK (length) || len + offset > svlen)
1626 len = svlen - offset;
1627
1628 addr = (void *)(((intptr_t)addr) + offset);
1629 eio_page_align (&addr, &len);
1630
1631 switch (ix)
1632 {
1633 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
1634 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
1635 }
1636}
1637 OUTPUT:
1638 RETVAL
1639
1640int
1641munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
1642 CODE:
1643{
1644 STRLEN svlen;
1645 void *addr = SvPVbyte (scalar, svlen);
1646 size_t len = SvUV (length);
1647
1648 if (offset < 0)
1649 offset += svlen;
1650
1651 if (offset < 0 || offset > svlen)
1652 croak ("offset outside of scalar");
1653
1654 if (!SvOK (length) || len + offset > svlen)
1655 len = svlen - offset;
1656
1657 addr = (void *)(((intptr_t)addr) + offset);
1658 eio_page_align (&addr, &len);
1418#if _POSIX_MEMLOCK 1659#if _POSIX_MEMLOCK_RANGE
1419#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7 1660 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 1661#else
1425 RETVAL = -1; 1662 RETVAL = ((errno = ENOSYS), -1);
1426 errno = ENOSYS;
1427#endif 1663#endif
1664}
1428 OUTPUT: 1665 OUTPUT:
1429 RETVAL 1666 RETVAL
1430 1667
1431int 1668int
1432munlockall () 1669munlockall ()
1433 PROTOTYPE:
1434 CODE: 1670 CODE:
1435#if _POSIX_MEMLOCK 1671#if _POSIX_MEMLOCK
1436 munlockall (); 1672 munlockall ();
1437#else 1673#else
1438 RETVAL = -1; 1674 RETVAL = -1;

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