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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.169 by root, Wed Aug 4 16:06:54 2010 UTC vs.
Revision 1.184 by root, Tue Jul 5 20:34:42 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
145#ifndef POSIX_MADV_NORMAL 195#ifndef POSIX_MADV_NORMAL
146# define POSIX_MADV_NORMAL 0 196# define POSIX_MADV_NORMAL 0
147# define NO_MADVISE 1
148#endif 197#endif
149#ifndef POSIX_MADV_SEQUENTIAL 198#ifndef POSIX_MADV_SEQUENTIAL
150# define POSIX_MADV_SEQUENTIAL 0 199# define POSIX_MADV_SEQUENTIAL 0
151#endif 200#endif
152#ifndef POSIX_MADV_RANDOM 201#ifndef POSIX_MADV_RANDOM
157#endif 206#endif
158#ifndef POSIX_MADV_DONTNEED 207#ifndef POSIX_MADV_DONTNEED
159# define POSIX_MADV_DONTNEED 0 208# define POSIX_MADV_DONTNEED 0
160#endif 209#endif
161 210
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
162#ifndef ST_NODEV 228#ifndef ST_NODEV
163# define ST_NODEV 0 229# define ST_NODEV 0
164#endif 230#endif
165#ifndef ST_NOEXEC 231#ifndef ST_NOEXEC
166# define ST_NOEXEC 0 232# define ST_NOEXEC 0
188#endif 254#endif
189#ifndef ST_RELATIME 255#ifndef ST_RELATIME
190# define ST_RELATIME 0 256# define ST_RELATIME 0
191#endif 257#endif
192 258
193#ifndef MCL_CURRENT 259#ifndef S_IFIFO
194# define MCL_CURRENT 0 260# define S_IFIFO 0
195#endif 261#endif
196#ifndef MCL_FUTURE 262#ifndef S_IFCHR
197# 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
198#endif 282#endif
199 283
200#ifndef MAP_ANONYMOUS 284#ifndef MAP_ANONYMOUS
201# ifdef MAP_ANON 285# ifdef MAP_ANON
202# define MAP_ANONYMOUS MAP_ANON 286# define MAP_ANONYMOUS MAP_ANON
216#ifndef MAP_POPULATE 300#ifndef MAP_POPULATE
217# define MAP_POPULATE 0 301# define MAP_POPULATE 0
218#endif 302#endif
219#ifndef MAP_NONBLOCK 303#ifndef MAP_NONBLOCK
220# 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)
221#endif 315#endif
222 316
223#ifndef PAGESIZE 317#ifndef PAGESIZE
224# define PAGESIZE sysconf (_SC_PAGESIZE) 318# define PAGESIZE sysconf (_SC_PAGESIZE)
225#endif 319#endif
340 /* do not recreate the result IV from scratch each time */ 434 /* do not recreate the result IV from scratch each time */
341 if (expect_true (sv_result_cache)) 435 if (expect_true (sv_result_cache))
342 { 436 {
343 sv_result = sv_result_cache; sv_result_cache = 0; 437 sv_result = sv_result_cache; sv_result_cache = 0;
344 SvIV_set (sv_result, req->result); 438 SvIV_set (sv_result, req->result);
439 SvIOK_only (sv_result);
345 } 440 }
346 else 441 else
347 { 442 {
348 sv_result = newSViv (req->result); 443 sv_result = newSViv (req->result);
349 SvREADONLY_on (sv_result); 444 SvREADONLY_on (sv_result);
490 case EIO_NOP: 585 case EIO_NOP:
491 case EIO_BUSY: 586 case EIO_BUSY:
492 break; 587 break;
493 588
494 case EIO_READLINK: 589 case EIO_READLINK:
590 case EIO_REALPATH:
495 if (req->result > 0) 591 if (req->result > 0)
496 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 592 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
497 break; 593 break;
498 594
499 case EIO_STAT: 595 case EIO_STAT:
513 SvSETMAGIC (req->sv2); 609 SvSETMAGIC (req->sv2);
514 PUSHs (sv_result); 610 PUSHs (sv_result);
515 } 611 }
516 break; 612 break;
517 613
518 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */ 614 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
519 if (req->result > 0) 615 if (req->result > 0)
520 SvIV_set (sv_result, 0); 616 SvIV_set (sv_result, 0);
521 /* FALLTHROUGH */ 617 /* FALLTHROUGH */
522 618
523 default: 619 default:
571 grp->sv2 = 0; 667 grp->sv2 = 0;
572 668
573 eio_grp_cancel (grp); 669 eio_grp_cancel (grp);
574} 670}
575 671
576static void
577create_respipe (void) 672static void create_respipe (void)
578{ 673{
579 if (s_epipe_renew (&respipe)) 674 if (s_epipe_renew (&respipe))
580 croak ("IO::AIO: unable to initialize result pipe"); 675 croak ("IO::AIO: unable to initialize result pipe");
581} 676}
582 677
625#if !_POSIX_MAPPED_FILES 720#if !_POSIX_MAPPED_FILES
626# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1) 721# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
627# define munmap(addr,length) (errno = ENOSYS, -1) 722# define munmap(addr,length) (errno = ENOSYS, -1)
628#endif 723#endif
629 724
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
630#define MMAP_MAGIC PERL_MAGIC_ext 734#define MMAP_MAGIC PERL_MAGIC_ext
631 735
632static int
633mmap_free (pTHX_ SV *sv, MAGIC *mg) 736static int mmap_free (pTHX_ SV *sv, MAGIC *mg)
634{ 737{
635 int old_errno = errno; 738 int old_errno = errno;
636 munmap (mg->mg_ptr, (size_t)mg->mg_obj); 739 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
637 errno = old_errno; 740 errno = old_errno;
638 741
654 0, 0, 0, 0, mmap_free 757 0, 0, 0, 0, mmap_free
655}; 758};
656 759
657/*****************************************************************************/ 760/*****************************************************************************/
658 761
659static SV *
660get_cb (SV *cb_sv) 762static SV * get_cb (SV *cb_sv)
661{ 763{
662 SvGETMAGIC (cb_sv); 764 SvGETMAGIC (cb_sv);
663 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 765 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
664} 766}
665 767
706 const_iv (O_RDWR) 808 const_iv (O_RDWR)
707 const_iv (O_CREAT) 809 const_iv (O_CREAT)
708 const_iv (O_TRUNC) 810 const_iv (O_TRUNC)
709 const_iv (O_EXCL) 811 const_iv (O_EXCL)
710 const_iv (O_APPEND) 812 const_iv (O_APPEND)
711#ifndef _WIN32 813
814 const_iv (O_ASYNC)
815 const_iv (O_DIRECT)
816 const_iv (O_NOATIME)
817
818 const_iv (O_CLOEXEC)
819 const_iv (O_NOCTTY)
820 const_iv (O_NOFOLLOW)
821 const_iv (O_NONBLOCK)
822 const_iv (O_EXEC)
823 const_iv (O_SEARCH)
824 const_iv (O_DIRECTORY)
825 const_iv (O_DSYNC)
826 const_iv (O_RSYNC)
827 const_iv (O_SYNC)
828 const_iv (O_TTY_INIT)
829
712 const_iv (S_IFIFO) 830 const_iv (S_IFIFO)
713#endif 831 const_iv (S_IFCHR)
832 const_iv (S_IFBLK)
833 const_iv (S_IFLNK)
834 const_iv (S_IFREG)
835 const_iv (S_IFDIR)
836 const_iv (S_IFWHT)
837 const_iv (S_IFSOCK)
838 const_iv (S_IFMT)
839
714 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) 840 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
715 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 841 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
716 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) 842 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
717 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 843 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
718 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 844 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
735 const_iv (ST_IMMUTABLE) 861 const_iv (ST_IMMUTABLE)
736 const_iv (ST_NOATIME) 862 const_iv (ST_NOATIME)
737 const_iv (ST_NODIRATIME) 863 const_iv (ST_NODIRATIME)
738 const_iv (ST_RELATIME) 864 const_iv (ST_RELATIME)
739 865
866 const_iv (PROT_NONE)
740 const_iv (PROT_EXEC) 867 const_iv (PROT_EXEC)
741 const_iv (PROT_NONE)
742 const_iv (PROT_READ) 868 const_iv (PROT_READ)
743 const_iv (PROT_WRITE) 869 const_iv (PROT_WRITE)
744 870
745 /*const_iv (MAP_FIXED)*/ 871 /*const_iv (MAP_FIXED)*/
746 const_iv (MAP_PRIVATE) 872 const_iv (MAP_PRIVATE)
752 const_iv (MAP_LOCKED) 878 const_iv (MAP_LOCKED)
753 const_iv (MAP_NORESERVE) 879 const_iv (MAP_NORESERVE)
754 const_iv (MAP_POPULATE) 880 const_iv (MAP_POPULATE)
755 const_iv (MAP_NONBLOCK) 881 const_iv (MAP_NONBLOCK)
756 882
757 const_iv (MCL_FUTURE) 883 const_eio (MCL_FUTURE)
758 const_iv (MCL_CURRENT) 884 const_eio (MCL_CURRENT)
759 885
760 const_eio (MS_ASYNC) 886 const_eio (MS_ASYNC)
761 const_eio (MS_INVALIDATE) 887 const_eio (MS_INVALIDATE)
762 const_eio (MS_SYNC) 888 const_eio (MS_SYNC)
763 889
800 /* atfork child called in fifo order, so before eio's handler */ 926 /* atfork child called in fifo order, so before eio's handler */
801 X_THREAD_ATFORK (0, 0, atfork_child); 927 X_THREAD_ATFORK (0, 0, atfork_child);
802} 928}
803 929
804void 930void
805max_poll_reqs (int nreqs) 931max_poll_reqs (unsigned int nreqs)
806 PROTOTYPE: $ 932 PROTOTYPE: $
807 CODE: 933 CODE:
808 eio_set_max_poll_reqs (nreqs); 934 eio_set_max_poll_reqs (nreqs);
809 935
810void 936void
812 PROTOTYPE: $ 938 PROTOTYPE: $
813 CODE: 939 CODE:
814 eio_set_max_poll_time (nseconds); 940 eio_set_max_poll_time (nseconds);
815 941
816void 942void
817min_parallel (int nthreads) 943min_parallel (unsigned int nthreads)
818 PROTOTYPE: $ 944 PROTOTYPE: $
819 CODE: 945 CODE:
820 eio_set_min_parallel (nthreads); 946 eio_set_min_parallel (nthreads);
821 947
822void 948void
823max_parallel (int nthreads) 949max_parallel (unsigned int nthreads)
824 PROTOTYPE: $ 950 PROTOTYPE: $
825 CODE: 951 CODE:
826 eio_set_max_parallel (nthreads); 952 eio_set_max_parallel (nthreads);
827 953
828void 954void
829max_idle (int nthreads) 955max_idle (unsigned int nthreads)
830 PROTOTYPE: $ 956 PROTOTYPE: $
831 CODE: 957 CODE:
832 eio_set_max_idle (nthreads); 958 eio_set_max_idle (nthreads);
833 959
834void 960void
961idle_timeout (unsigned int seconds)
962 PROTOTYPE: $
963 CODE:
964 eio_set_idle_timeout (seconds);
965
966void
835max_outstanding (int maxreqs) 967max_outstanding (unsigned int maxreqs)
836 PROTOTYPE: $ 968 PROTOTYPE: $
837 CODE: 969 CODE:
838 max_outstanding = maxreqs; 970 max_outstanding = maxreqs;
839 971
840void 972void
841aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 973aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
842 PROTOTYPE: $$$;$
843 PPCODE: 974 PPCODE:
844{ 975{
845 dREQ; 976 dREQ;
846 977
847 req->type = EIO_OPEN; 978 req->type = EIO_OPEN;
853 REQ_SEND; 984 REQ_SEND;
854} 985}
855 986
856void 987void
857aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 988aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
858 PROTOTYPE: $;$
859 ALIAS: 989 ALIAS:
860 aio_fsync = EIO_FSYNC 990 aio_fsync = EIO_FSYNC
861 aio_fdatasync = EIO_FDATASYNC 991 aio_fdatasync = EIO_FDATASYNC
862 PPCODE: 992 PPCODE:
863{ 993{
871 REQ_SEND (req); 1001 REQ_SEND (req);
872} 1002}
873 1003
874void 1004void
875aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1005aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
876 PROTOTYPE: $$$$;$
877 PPCODE: 1006 PPCODE:
878{ 1007{
879 int fd = s_fileno_croak (fh, 0); 1008 int fd = s_fileno_croak (fh, 0);
880 dREQ; 1009 dREQ;
881 1010
889 REQ_SEND (req); 1018 REQ_SEND (req);
890} 1019}
891 1020
892void 1021void
893aio_close (SV *fh, SV *callback=&PL_sv_undef) 1022aio_close (SV *fh, SV *callback=&PL_sv_undef)
894 PROTOTYPE: $;$
895 PPCODE: 1023 PPCODE:
896{ 1024{
897 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 1025 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
898 int fd = s_fileno_croak (fh, 0); 1026 int fd = s_fileno_croak (fh, 0);
899 dREQ; 1027 dREQ;
921void 1049void
922aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1050aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
923 ALIAS: 1051 ALIAS:
924 aio_read = EIO_READ 1052 aio_read = EIO_READ
925 aio_write = EIO_WRITE 1053 aio_write = EIO_WRITE
926 PROTOTYPE: $$$$$;$
927 PPCODE: 1054 PPCODE:
928{ 1055{
929 STRLEN svlen; 1056 STRLEN svlen;
930 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 1057 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
931 char *svptr = SvPVbyte (data, svlen); 1058 char *svptr = SvPVbyte (data, svlen);
972 } 1099 }
973} 1100}
974 1101
975void 1102void
976aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1103aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)
977 PROTOTYPE: $$;$ 1104 ALIAS:
1105 aio_readlink = EIO_READLINK
1106 aio_realpath = EIO_REALPATH
978 PPCODE: 1107 PPCODE:
979{ 1108{
980 SV *data; 1109 SV *data;
981 dREQ; 1110 dREQ;
982 1111
983 req->type = EIO_READLINK; 1112 req->type = ix;
984 req->sv1 = newSVsv (path); 1113 req->sv1 = newSVsv (path);
985 req->ptr1 = SvPVbyte_nolen (req->sv1); 1114 req->ptr1 = SvPVbyte_nolen (req->sv1);
986 1115
987 REQ_SEND; 1116 REQ_SEND;
988} 1117}
989 1118
990void 1119void
991aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1120aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
992 PROTOTYPE: $$$$;$
993 PPCODE: 1121 PPCODE:
994{ 1122{
995 int ifd = s_fileno_croak (in_fh , 0); 1123 int ifd = s_fileno_croak (in_fh , 0);
996 int ofd = s_fileno_croak (out_fh, 1); 1124 int ofd = s_fileno_croak (out_fh, 1);
997 dREQ; 1125 dREQ;
1007 REQ_SEND; 1135 REQ_SEND;
1008} 1136}
1009 1137
1010void 1138void
1011aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1139aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
1012 PROTOTYPE: $$$;$
1013 PPCODE: 1140 PPCODE:
1014{ 1141{
1015 int fd = s_fileno_croak (fh, 0); 1142 int fd = s_fileno_croak (fh, 0);
1016 dREQ; 1143 dREQ;
1017 1144
1048 } 1175 }
1049 1176
1050 REQ_SEND; 1177 REQ_SEND;
1051} 1178}
1052 1179
1180UV
1181major (UV dev)
1182 ALIAS:
1183 minor = 1
1184 CODE:
1185 RETVAL = ix ? major (dev) : minor (dev);
1186 OUTPUT:
1187 RETVAL
1188
1189UV
1190makedev (UV maj, UV min)
1191 CODE:
1192 RETVAL = makedev (maj, min);
1193 OUTPUT:
1194 RETVAL
1195
1053void 1196void
1054aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1197aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)
1055 PPCODE: 1198 PPCODE:
1056{ 1199{
1057 dREQ; 1200 dREQ;
1218void 1361void
1219aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1362aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1220 ALIAS: 1363 ALIAS:
1221 aio_mtouch = EIO_MTOUCH 1364 aio_mtouch = EIO_MTOUCH
1222 aio_msync = EIO_MSYNC 1365 aio_msync = EIO_MSYNC
1223 PROTOTYPE: $$$$;$
1224 PPCODE: 1366 PPCODE:
1225{ 1367{
1226 STRLEN svlen; 1368 STRLEN svlen;
1369 char *svptr = SvPVbyte (data, svlen);
1227 UV len = SvUV (length); 1370 UV len = SvUV (length);
1228 char *svptr = SvPVbyte (data, svlen);
1229 1371
1230 if (offset < 0) 1372 if (offset < 0)
1231 offset += svlen; 1373 offset += svlen;
1232 1374
1233 if (offset < 0 || offset > svlen) 1375 if (offset < 0 || offset > svlen)
1238 1380
1239 { 1381 {
1240 dREQ; 1382 dREQ;
1241 1383
1242 req->type = ix; 1384 req->type = ix;
1243 req->size = len;
1244 req->sv2 = SvREFCNT_inc (data); 1385 req->sv2 = SvREFCNT_inc (data);
1245 req->ptr2 = (char *)svptr + offset; 1386 req->ptr2 = (char *)svptr + offset;
1387 req->size = len;
1246 req->int1 = flags; 1388 req->int1 = flags;
1247 1389
1248 REQ_SEND; 1390 REQ_SEND;
1249 } 1391 }
1250} 1392}
1251 1393
1252void 1394void
1395aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
1396 PPCODE:
1397{
1398 STRLEN svlen;
1399 char *svptr = SvPVbyte (data, svlen);
1400 UV len = SvUV (length);
1401
1402 if (offset < 0)
1403 offset += svlen;
1404
1405 if (offset < 0 || offset > svlen)
1406 croak ("offset outside of scalar");
1407
1408 if (!SvOK (length) || len + offset > svlen)
1409 len = svlen - offset;
1410
1411 {
1412 dREQ;
1413
1414 req->type = EIO_MLOCK;
1415 req->sv2 = SvREFCNT_inc (data);
1416 req->ptr2 = (char *)svptr + offset;
1417 req->size = len;
1418
1419 REQ_SEND;
1420 }
1421}
1422
1423void
1424aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
1425 PPCODE:
1426{
1427 dREQ;
1428
1429 req->type = EIO_MLOCKALL;
1430 req->int1 = flags;
1431
1432 REQ_SEND;
1433}
1434
1435void
1253aio_busy (double delay, SV *callback=&PL_sv_undef) 1436aio_busy (double delay, SV *callback=&PL_sv_undef)
1254 PPCODE: 1437 PPCODE:
1255{ 1438{
1256 dREQ; 1439 dREQ;
1257 1440
1261 REQ_SEND; 1444 REQ_SEND;
1262} 1445}
1263 1446
1264void 1447void
1265aio_group (SV *callback=&PL_sv_undef) 1448aio_group (SV *callback=&PL_sv_undef)
1266 PROTOTYPE: ;$
1267 PPCODE: 1449 PPCODE:
1268{ 1450{
1269 dREQ; 1451 dREQ;
1270 1452
1271 req->type = EIO_GROUP; 1453 req->type = EIO_GROUP;
1288 REQ_SEND; 1470 REQ_SEND;
1289} 1471}
1290 1472
1291int 1473int
1292aioreq_pri (int pri = 0) 1474aioreq_pri (int pri = 0)
1293 PROTOTYPE: ;$
1294 CODE: 1475 CODE:
1295 RETVAL = next_pri; 1476 RETVAL = next_pri;
1296 if (items > 0) 1477 if (items > 0)
1297 { 1478 {
1298 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1479 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
1310 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1491 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1311 next_pri = nice; 1492 next_pri = nice;
1312 1493
1313void 1494void
1314flush () 1495flush ()
1315 PROTOTYPE:
1316 CODE: 1496 CODE:
1317 while (eio_nreqs ()) 1497 while (eio_nreqs ())
1318 { 1498 {
1319 poll_wait (); 1499 poll_wait ();
1320 poll_cb (); 1500 poll_cb ();
1321 } 1501 }
1322 1502
1323int 1503int
1324poll() 1504poll ()
1325 PROTOTYPE:
1326 CODE: 1505 CODE:
1327 poll_wait (); 1506 poll_wait ();
1328 RETVAL = poll_cb (); 1507 RETVAL = poll_cb ();
1329 OUTPUT: 1508 OUTPUT:
1330 RETVAL 1509 RETVAL
1331 1510
1332int 1511int
1333poll_fileno() 1512poll_fileno ()
1334 PROTOTYPE:
1335 CODE: 1513 CODE:
1336 RETVAL = s_epipe_fd (&respipe); 1514 RETVAL = s_epipe_fd (&respipe);
1337 OUTPUT: 1515 OUTPUT:
1338 RETVAL 1516 RETVAL
1339 1517
1340int 1518int
1341poll_cb(...) 1519poll_cb (...)
1342 PROTOTYPE: 1520 PROTOTYPE:
1343 CODE: 1521 CODE:
1344 RETVAL = poll_cb (); 1522 RETVAL = poll_cb ();
1345 OUTPUT: 1523 OUTPUT:
1346 RETVAL 1524 RETVAL
1347 1525
1348void 1526void
1349poll_wait() 1527poll_wait ()
1350 PROTOTYPE:
1351 CODE: 1528 CODE:
1352 poll_wait (); 1529 poll_wait ();
1353 1530
1354int 1531int
1355nreqs() 1532nreqs ()
1356 PROTOTYPE:
1357 CODE: 1533 CODE:
1358 RETVAL = eio_nreqs (); 1534 RETVAL = eio_nreqs ();
1359 OUTPUT: 1535 OUTPUT:
1360 RETVAL 1536 RETVAL
1361 1537
1362int 1538int
1363nready() 1539nready ()
1364 PROTOTYPE:
1365 CODE: 1540 CODE:
1366 RETVAL = eio_nready (); 1541 RETVAL = eio_nready ();
1367 OUTPUT: 1542 OUTPUT:
1368 RETVAL 1543 RETVAL
1369 1544
1370int 1545int
1371npending() 1546npending ()
1372 PROTOTYPE:
1373 CODE: 1547 CODE:
1374 RETVAL = eio_npending (); 1548 RETVAL = eio_npending ();
1375 OUTPUT: 1549 OUTPUT:
1376 RETVAL 1550 RETVAL
1377 1551
1378int 1552int
1379nthreads() 1553nthreads ()
1380 PROTOTYPE:
1381 CODE: 1554 CODE:
1382 RETVAL = eio_nthreads (); 1555 RETVAL = eio_nthreads ();
1383 OUTPUT: 1556 OUTPUT:
1384 RETVAL 1557 RETVAL
1385 1558
1386int 1559int
1387fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 1560fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1388 PROTOTYPE: $$$$
1389 CODE: 1561 CODE:
1390#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1391 RETVAL = posix_fadvise (fh, offset, length, advice); 1562 RETVAL = posix_fadvise (fh, offset, length, advice);
1392#else
1393 RETVAL = errno = ENOSYS; /* yes, this is actually correct */
1394#endif
1395 OUTPUT: 1563 OUTPUT:
1396 RETVAL 1564 RETVAL
1397 1565
1398ssize_t 1566ssize_t
1399sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 1567sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1400 PROTOTYPE: $$$$
1401 CODE: 1568 CODE:
1402 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 1569 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1403 OUTPUT: 1570 OUTPUT:
1404 RETVAL 1571 RETVAL
1405 1572
1406void 1573void
1407mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 1574mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1408 PROTOTYPE: $$$$$;$
1409 PPCODE: 1575 PPCODE:
1410 sv_unmagic (scalar, MMAP_MAGIC); 1576 sv_unmagic (scalar, MMAP_MAGIC);
1411{ 1577{
1412 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 1578 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1413 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 1579 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1436 XSRETURN_YES; 1602 XSRETURN_YES;
1437} 1603}
1438 1604
1439void 1605void
1440munmap (SV *scalar) 1606munmap (SV *scalar)
1441 PROTOTYPE: $
1442 CODE: 1607 CODE:
1443 sv_unmagic (scalar, MMAP_MAGIC); 1608 sv_unmagic (scalar, MMAP_MAGIC);
1444 1609
1445int 1610int
1446madvise (SV *scalar, off_t offset, off_t length, IV advice) 1611madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1447 PROTOTYPE: $$$$ 1612 ALIAS:
1613 mprotect = 1
1448 CODE: 1614 CODE:
1449{ 1615{
1450 char *addr = SvPV_nolen (scalar) + offset; 1616 STRLEN svlen;
1617 void *addr = SvPVbyte (scalar, svlen);
1618 size_t len = SvUV (length);
1451 1619
1452 if (!SvOK (ST (2))) 1620 if (offset < 0)
1621 offset += svlen;
1622
1623 if (offset < 0 || offset > svlen)
1624 croak ("offset outside of scalar");
1625
1626 if (!SvOK (length) || len + offset > svlen)
1453 length = SvCUR (scalar) - offset; 1627 len = svlen - offset;
1454 1628
1455 if (addr >= SvEND (scalar) || length <= 0) 1629 addr = (void *)(((intptr_t)addr) + offset);
1456 XSRETURN_EMPTY; 1630 eio_page_align (&addr, &len);
1457 1631
1458 #if _XOPEN_SOURCE >= 600 && !NO_MADVISE 1632 switch (ix)
1633 {
1459 RETVAL = posix_madvise (addr, length, advice); 1634 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
1460 #else 1635 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
1461 RETVAL = errno = ENOSYS; /* yes, this is actually correct */ 1636 }
1462 #endif
1463} 1637}
1464 OUTPUT: 1638 OUTPUT:
1465 RETVAL 1639 RETVAL
1466 1640
1467int 1641int
1468mlockall (int flags) 1642munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
1469 PROTOTYPE: $
1470 CODE: 1643 CODE:
1644{
1645 STRLEN svlen;
1646 void *addr = SvPVbyte (scalar, svlen);
1647 size_t len = SvUV (length);
1648
1649 if (offset < 0)
1650 offset += svlen;
1651
1652 if (offset < 0 || offset > svlen)
1653 croak ("offset outside of scalar");
1654
1655 if (!SvOK (length) || len + offset > svlen)
1656 len = svlen - offset;
1657
1658 addr = (void *)(((intptr_t)addr) + offset);
1659 eio_page_align (&addr, &len);
1471#if _POSIX_MEMLOCK 1660#if _POSIX_MEMLOCK_RANGE
1472#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7 1661 RETVAL = munlock (addr, len);
1473 extern int mallopt (int, int);
1474 mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1475#endif
1476 mlockall (flags);
1477#else 1662#else
1478 RETVAL = -1; 1663 RETVAL = ((errno = ENOSYS), -1);
1479 errno = ENOSYS;
1480#endif 1664#endif
1665}
1481 OUTPUT: 1666 OUTPUT:
1482 RETVAL 1667 RETVAL
1483 1668
1484int 1669int
1485munlockall () 1670munlockall ()
1486 PROTOTYPE:
1487 CODE: 1671 CODE:
1488#if _POSIX_MEMLOCK 1672#if _POSIX_MEMLOCK
1489 munlockall (); 1673 munlockall ();
1490#else 1674#else
1491 RETVAL = -1; 1675 RETVAL = -1;

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