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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.166 by root, Sun May 9 20:43:28 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
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
323 /* do not recreate the result IV from scratch each time */ 434 /* do not recreate the result IV from scratch each time */
324 if (expect_true (sv_result_cache)) 435 if (expect_true (sv_result_cache))
325 { 436 {
326 sv_result = sv_result_cache; sv_result_cache = 0; 437 sv_result = sv_result_cache; sv_result_cache = 0;
327 SvIV_set (sv_result, req->result); 438 SvIV_set (sv_result, req->result);
439 SvIOK_only (sv_result);
328 } 440 }
329 else 441 else
330 { 442 {
331 sv_result = newSViv (req->result); 443 sv_result = newSViv (req->result);
332 SvREADONLY_on (sv_result); 444 SvREADONLY_on (sv_result);
473 case EIO_NOP: 585 case EIO_NOP:
474 case EIO_BUSY: 586 case EIO_BUSY:
475 break; 587 break;
476 588
477 case EIO_READLINK: 589 case EIO_READLINK:
590 case EIO_REALPATH:
478 if (req->result > 0) 591 if (req->result > 0)
479 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 592 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
480 break; 593 break;
481 594
482 case EIO_STAT: 595 case EIO_STAT:
496 SvSETMAGIC (req->sv2); 609 SvSETMAGIC (req->sv2);
497 PUSHs (sv_result); 610 PUSHs (sv_result);
498 } 611 }
499 break; 612 break;
500 613
501 case EIO_DUP2: 614 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
502 if (req->result > 0) 615 if (req->result > 0)
503 SvIV_set (sv_result, 0); 616 SvIV_set (sv_result, 0);
504 /* FALLTHROUGH */ 617 /* FALLTHROUGH */
505 618
506 default: 619 default:
554 grp->sv2 = 0; 667 grp->sv2 = 0;
555 668
556 eio_grp_cancel (grp); 669 eio_grp_cancel (grp);
557} 670}
558 671
559static void
560create_respipe (void) 672static void create_respipe (void)
561{ 673{
562 if (s_epipe_renew (&respipe)) 674 if (s_epipe_renew (&respipe))
563 croak ("IO::AIO: unable to initialize result pipe"); 675 croak ("IO::AIO: unable to initialize result pipe");
564} 676}
565 677
608#if !_POSIX_MAPPED_FILES 720#if !_POSIX_MAPPED_FILES
609# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1) 721# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
610# define munmap(addr,length) (errno = ENOSYS, -1) 722# define munmap(addr,length) (errno = ENOSYS, -1)
611#endif 723#endif
612 724
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
613#define MMAP_MAGIC PERL_MAGIC_ext 734#define MMAP_MAGIC PERL_MAGIC_ext
614 735
615static int
616mmap_free (pTHX_ SV *sv, MAGIC *mg) 736static int mmap_free (pTHX_ SV *sv, MAGIC *mg)
617{ 737{
618 int old_errno = errno; 738 int old_errno = errno;
619 munmap (mg->mg_ptr, (size_t)mg->mg_obj); 739 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
620 errno = old_errno; 740 errno = old_errno;
621 741
622 mg->mg_obj = 0; /* just in case */ 742 mg->mg_obj = 0; /* just in case */
623 743
624 SvREADONLY_off (sv); 744 SvREADONLY_off (sv);
745
746 if (SvPVX (sv) != mg->mg_ptr)
747 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
748
625 SvCUR_set (sv, 0); 749 SvCUR_set (sv, 0);
626 SvLEN_set (sv, 0);
627 SvPVX (sv) = 0; 750 SvPVX (sv) = 0;
628 SvOK_off (sv); 751 SvOK_off (sv);
629 752
630 return 0; 753 return 0;
631} 754}
634 0, 0, 0, 0, mmap_free 757 0, 0, 0, 0, mmap_free
635}; 758};
636 759
637/*****************************************************************************/ 760/*****************************************************************************/
638 761
639static SV *
640get_cb (SV *cb_sv) 762static SV * get_cb (SV *cb_sv)
641{ 763{
642 SvGETMAGIC (cb_sv); 764 SvGETMAGIC (cb_sv);
643 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 765 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
644} 766}
645 767
686 const_iv (O_RDWR) 808 const_iv (O_RDWR)
687 const_iv (O_CREAT) 809 const_iv (O_CREAT)
688 const_iv (O_TRUNC) 810 const_iv (O_TRUNC)
689 const_iv (O_EXCL) 811 const_iv (O_EXCL)
690 const_iv (O_APPEND) 812 const_iv (O_APPEND)
691#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
692 const_iv (S_IFIFO) 830 const_iv (S_IFIFO)
693#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
694 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) 840 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
695 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 841 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
696 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) 842 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
697 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 843 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
698 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 844 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
699 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 845 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
846
847 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
848 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
849 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
850 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
851 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
700 852
701 const_iv (ST_RDONLY) 853 const_iv (ST_RDONLY)
702 const_iv (ST_NOSUID) 854 const_iv (ST_NOSUID)
703 const_iv (ST_NODEV) 855 const_iv (ST_NODEV)
704 const_iv (ST_NOEXEC) 856 const_iv (ST_NOEXEC)
709 const_iv (ST_IMMUTABLE) 861 const_iv (ST_IMMUTABLE)
710 const_iv (ST_NOATIME) 862 const_iv (ST_NOATIME)
711 const_iv (ST_NODIRATIME) 863 const_iv (ST_NODIRATIME)
712 const_iv (ST_RELATIME) 864 const_iv (ST_RELATIME)
713 865
866 const_iv (PROT_NONE)
714 const_iv (PROT_EXEC) 867 const_iv (PROT_EXEC)
715 const_iv (PROT_NONE)
716 const_iv (PROT_READ) 868 const_iv (PROT_READ)
717 const_iv (PROT_WRITE) 869 const_iv (PROT_WRITE)
718 870
719 /*const_iv (MAP_FIXED)*/ 871 /*const_iv (MAP_FIXED)*/
720 const_iv (MAP_PRIVATE) 872 const_iv (MAP_PRIVATE)
726 const_iv (MAP_LOCKED) 878 const_iv (MAP_LOCKED)
727 const_iv (MAP_NORESERVE) 879 const_iv (MAP_NORESERVE)
728 const_iv (MAP_POPULATE) 880 const_iv (MAP_POPULATE)
729 const_iv (MAP_NONBLOCK) 881 const_iv (MAP_NONBLOCK)
730 882
731 const_iv (MCL_FUTURE) 883 const_eio (MCL_FUTURE)
732 const_iv (MCL_CURRENT) 884 const_eio (MCL_CURRENT)
733 885
734 const_eio (MS_ASYNC) 886 const_eio (MS_ASYNC)
735 const_eio (MS_INVALIDATE) 887 const_eio (MS_INVALIDATE)
736 const_eio (MS_SYNC) 888 const_eio (MS_SYNC)
737 889
774 /* atfork child called in fifo order, so before eio's handler */ 926 /* atfork child called in fifo order, so before eio's handler */
775 X_THREAD_ATFORK (0, 0, atfork_child); 927 X_THREAD_ATFORK (0, 0, atfork_child);
776} 928}
777 929
778void 930void
779max_poll_reqs (int nreqs) 931max_poll_reqs (unsigned int nreqs)
780 PROTOTYPE: $ 932 PROTOTYPE: $
781 CODE: 933 CODE:
782 eio_set_max_poll_reqs (nreqs); 934 eio_set_max_poll_reqs (nreqs);
783 935
784void 936void
786 PROTOTYPE: $ 938 PROTOTYPE: $
787 CODE: 939 CODE:
788 eio_set_max_poll_time (nseconds); 940 eio_set_max_poll_time (nseconds);
789 941
790void 942void
791min_parallel (int nthreads) 943min_parallel (unsigned int nthreads)
792 PROTOTYPE: $ 944 PROTOTYPE: $
793 CODE: 945 CODE:
794 eio_set_min_parallel (nthreads); 946 eio_set_min_parallel (nthreads);
795 947
796void 948void
797max_parallel (int nthreads) 949max_parallel (unsigned int nthreads)
798 PROTOTYPE: $ 950 PROTOTYPE: $
799 CODE: 951 CODE:
800 eio_set_max_parallel (nthreads); 952 eio_set_max_parallel (nthreads);
801 953
802void 954void
803max_idle (int nthreads) 955max_idle (unsigned int nthreads)
804 PROTOTYPE: $ 956 PROTOTYPE: $
805 CODE: 957 CODE:
806 eio_set_max_idle (nthreads); 958 eio_set_max_idle (nthreads);
807 959
808void 960void
961idle_timeout (unsigned int seconds)
962 PROTOTYPE: $
963 CODE:
964 eio_set_idle_timeout (seconds);
965
966void
809max_outstanding (int maxreqs) 967max_outstanding (unsigned int maxreqs)
810 PROTOTYPE: $ 968 PROTOTYPE: $
811 CODE: 969 CODE:
812 max_outstanding = maxreqs; 970 max_outstanding = maxreqs;
813 971
814void 972void
815aio_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)
816 PROTOTYPE: $$$;$
817 PPCODE: 974 PPCODE:
818{ 975{
819 dREQ; 976 dREQ;
820 977
821 req->type = EIO_OPEN; 978 req->type = EIO_OPEN;
827 REQ_SEND; 984 REQ_SEND;
828} 985}
829 986
830void 987void
831aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 988aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
832 PROTOTYPE: $;$
833 ALIAS: 989 ALIAS:
834 aio_fsync = EIO_FSYNC 990 aio_fsync = EIO_FSYNC
835 aio_fdatasync = EIO_FDATASYNC 991 aio_fdatasync = EIO_FDATASYNC
836 PPCODE: 992 PPCODE:
837{ 993{
845 REQ_SEND (req); 1001 REQ_SEND (req);
846} 1002}
847 1003
848void 1004void
849aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1005aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
850 PROTOTYPE: $$$$;$
851 PPCODE: 1006 PPCODE:
852{ 1007{
853 int fd = s_fileno_croak (fh, 0); 1008 int fd = s_fileno_croak (fh, 0);
854 dREQ; 1009 dREQ;
855 1010
863 REQ_SEND (req); 1018 REQ_SEND (req);
864} 1019}
865 1020
866void 1021void
867aio_close (SV *fh, SV *callback=&PL_sv_undef) 1022aio_close (SV *fh, SV *callback=&PL_sv_undef)
868 PROTOTYPE: $;$
869 PPCODE: 1023 PPCODE:
870{ 1024{
871 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 1025 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
872 int fd = s_fileno_croak (fh, 0); 1026 int fd = s_fileno_croak (fh, 0);
873 dREQ; 1027 dREQ;
895void 1049void
896aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1050aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
897 ALIAS: 1051 ALIAS:
898 aio_read = EIO_READ 1052 aio_read = EIO_READ
899 aio_write = EIO_WRITE 1053 aio_write = EIO_WRITE
900 PROTOTYPE: $$$$$;$
901 PPCODE: 1054 PPCODE:
902{ 1055{
903 STRLEN svlen; 1056 STRLEN svlen;
904 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 1057 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
905 char *svptr = SvPVbyte (data, svlen); 1058 char *svptr = SvPVbyte (data, svlen);
946 } 1099 }
947} 1100}
948 1101
949void 1102void
950aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1103aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)
951 PROTOTYPE: $$;$ 1104 ALIAS:
1105 aio_readlink = EIO_READLINK
1106 aio_realpath = EIO_REALPATH
952 PPCODE: 1107 PPCODE:
953{ 1108{
954 SV *data; 1109 SV *data;
955 dREQ; 1110 dREQ;
956 1111
957 req->type = EIO_READLINK; 1112 req->type = ix;
958 req->sv1 = newSVsv (path); 1113 req->sv1 = newSVsv (path);
959 req->ptr1 = SvPVbyte_nolen (req->sv1); 1114 req->ptr1 = SvPVbyte_nolen (req->sv1);
960 1115
961 REQ_SEND; 1116 REQ_SEND;
962} 1117}
963 1118
964void 1119void
965aio_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)
966 PROTOTYPE: $$$$;$
967 PPCODE: 1121 PPCODE:
968{ 1122{
969 int ifd = s_fileno_croak (in_fh , 0); 1123 int ifd = s_fileno_croak (in_fh , 0);
970 int ofd = s_fileno_croak (out_fh, 1); 1124 int ofd = s_fileno_croak (out_fh, 1);
971 dREQ; 1125 dREQ;
981 REQ_SEND; 1135 REQ_SEND;
982} 1136}
983 1137
984void 1138void
985aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1139aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
986 PROTOTYPE: $$$;$
987 PPCODE: 1140 PPCODE:
988{ 1141{
989 int fd = s_fileno_croak (fh, 0); 1142 int fd = s_fileno_croak (fh, 0);
990 dREQ; 1143 dREQ;
991 1144
1022 } 1175 }
1023 1176
1024 REQ_SEND; 1177 REQ_SEND;
1025} 1178}
1026 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
1027void 1196void
1028aio_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)
1029 PPCODE: 1198 PPCODE:
1030{ 1199{
1031 dREQ; 1200 dREQ;
1192void 1361void
1193aio_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)
1194 ALIAS: 1363 ALIAS:
1195 aio_mtouch = EIO_MTOUCH 1364 aio_mtouch = EIO_MTOUCH
1196 aio_msync = EIO_MSYNC 1365 aio_msync = EIO_MSYNC
1197 PROTOTYPE: $$$$;$
1198 PPCODE: 1366 PPCODE:
1199{ 1367{
1200 STRLEN svlen; 1368 STRLEN svlen;
1369 char *svptr = SvPVbyte (data, svlen);
1201 UV len = SvUV (length); 1370 UV len = SvUV (length);
1202 char *svptr = SvPVbyte (data, svlen);
1203 1371
1204 if (offset < 0) 1372 if (offset < 0)
1205 offset += svlen; 1373 offset += svlen;
1206 1374
1207 if (offset < 0 || offset > svlen) 1375 if (offset < 0 || offset > svlen)
1212 1380
1213 { 1381 {
1214 dREQ; 1382 dREQ;
1215 1383
1216 req->type = ix; 1384 req->type = ix;
1217 req->size = len;
1218 req->sv2 = SvREFCNT_inc (data); 1385 req->sv2 = SvREFCNT_inc (data);
1219 req->ptr2 = (char *)svptr + offset; 1386 req->ptr2 = (char *)svptr + offset;
1387 req->size = len;
1220 req->int1 = flags; 1388 req->int1 = flags;
1221 1389
1222 REQ_SEND; 1390 REQ_SEND;
1223 } 1391 }
1224} 1392}
1225 1393
1226void 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
1227aio_busy (double delay, SV *callback=&PL_sv_undef) 1436aio_busy (double delay, SV *callback=&PL_sv_undef)
1228 PPCODE: 1437 PPCODE:
1229{ 1438{
1230 dREQ; 1439 dREQ;
1231 1440
1235 REQ_SEND; 1444 REQ_SEND;
1236} 1445}
1237 1446
1238void 1447void
1239aio_group (SV *callback=&PL_sv_undef) 1448aio_group (SV *callback=&PL_sv_undef)
1240 PROTOTYPE: ;$
1241 PPCODE: 1449 PPCODE:
1242{ 1450{
1243 dREQ; 1451 dREQ;
1244 1452
1245 req->type = EIO_GROUP; 1453 req->type = EIO_GROUP;
1262 REQ_SEND; 1470 REQ_SEND;
1263} 1471}
1264 1472
1265int 1473int
1266aioreq_pri (int pri = 0) 1474aioreq_pri (int pri = 0)
1267 PROTOTYPE: ;$
1268 CODE: 1475 CODE:
1269 RETVAL = next_pri; 1476 RETVAL = next_pri;
1270 if (items > 0) 1477 if (items > 0)
1271 { 1478 {
1272 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1479 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
1284 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1491 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1285 next_pri = nice; 1492 next_pri = nice;
1286 1493
1287void 1494void
1288flush () 1495flush ()
1289 PROTOTYPE:
1290 CODE: 1496 CODE:
1291 while (eio_nreqs ()) 1497 while (eio_nreqs ())
1292 { 1498 {
1293 poll_wait (); 1499 poll_wait ();
1294 poll_cb (); 1500 poll_cb ();
1295 } 1501 }
1296 1502
1297int 1503int
1298poll() 1504poll ()
1299 PROTOTYPE:
1300 CODE: 1505 CODE:
1301 poll_wait (); 1506 poll_wait ();
1302 RETVAL = poll_cb (); 1507 RETVAL = poll_cb ();
1303 OUTPUT: 1508 OUTPUT:
1304 RETVAL 1509 RETVAL
1305 1510
1306int 1511int
1307poll_fileno() 1512poll_fileno ()
1308 PROTOTYPE:
1309 CODE: 1513 CODE:
1310 RETVAL = s_epipe_fd (&respipe); 1514 RETVAL = s_epipe_fd (&respipe);
1311 OUTPUT: 1515 OUTPUT:
1312 RETVAL 1516 RETVAL
1313 1517
1314int 1518int
1315poll_cb(...) 1519poll_cb (...)
1316 PROTOTYPE: 1520 PROTOTYPE:
1317 CODE: 1521 CODE:
1318 RETVAL = poll_cb (); 1522 RETVAL = poll_cb ();
1319 OUTPUT: 1523 OUTPUT:
1320 RETVAL 1524 RETVAL
1321 1525
1322void 1526void
1323poll_wait() 1527poll_wait ()
1324 PROTOTYPE:
1325 CODE: 1528 CODE:
1326 poll_wait (); 1529 poll_wait ();
1327 1530
1328int 1531int
1329nreqs() 1532nreqs ()
1330 PROTOTYPE:
1331 CODE: 1533 CODE:
1332 RETVAL = eio_nreqs (); 1534 RETVAL = eio_nreqs ();
1333 OUTPUT: 1535 OUTPUT:
1334 RETVAL 1536 RETVAL
1335 1537
1336int 1538int
1337nready() 1539nready ()
1338 PROTOTYPE:
1339 CODE: 1540 CODE:
1340 RETVAL = eio_nready (); 1541 RETVAL = eio_nready ();
1341 OUTPUT: 1542 OUTPUT:
1342 RETVAL 1543 RETVAL
1343 1544
1344int 1545int
1345npending() 1546npending ()
1346 PROTOTYPE:
1347 CODE: 1547 CODE:
1348 RETVAL = eio_npending (); 1548 RETVAL = eio_npending ();
1349 OUTPUT: 1549 OUTPUT:
1350 RETVAL 1550 RETVAL
1351 1551
1352int 1552int
1353nthreads() 1553nthreads ()
1354 PROTOTYPE:
1355 CODE: 1554 CODE:
1356 RETVAL = eio_nthreads (); 1555 RETVAL = eio_nthreads ();
1357 OUTPUT: 1556 OUTPUT:
1358 RETVAL 1557 RETVAL
1359 1558
1360int 1559int
1361fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 1560fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1362 PROTOTYPE: $$$$
1363 CODE: 1561 CODE:
1364#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1365 RETVAL = posix_fadvise (fh, offset, length, advice); 1562 RETVAL = posix_fadvise (fh, offset, length, advice);
1366#else
1367 RETVAL = errno = ENOSYS; /* yes, this is actually correct */
1368#endif
1369 OUTPUT: 1563 OUTPUT:
1370 RETVAL 1564 RETVAL
1371 1565
1372ssize_t 1566ssize_t
1373sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 1567sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1374 PROTOTYPE: $$$$
1375 CODE: 1568 CODE:
1376 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 1569 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1377 OUTPUT: 1570 OUTPUT:
1378 RETVAL 1571 RETVAL
1379 1572
1380void 1573void
1381mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 1574mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1382 PROTOTYPE: $$$$$;$
1383 PPCODE: 1575 PPCODE:
1384 sv_unmagic (scalar, MMAP_MAGIC); 1576 sv_unmagic (scalar, MMAP_MAGIC);
1385{ 1577{
1386 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;
1387 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 1579 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1388 if (addr == (void *)-1) 1580 if (addr == (void *)-1)
1389 XSRETURN_NO; 1581 XSRETURN_NO;
1390 1582
1583 sv_force_normal (scalar);
1584
1391 /* we store the length in mg_obj, as namlen is I32 :/ */ 1585 /* we store the length in mg_obj, as namlen is I32 :/ */
1392 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0) 1586 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1393 ->mg_obj = (SV *)length; 1587 ->mg_obj = (SV *)length;
1394 1588
1395 SvUPGRADE (scalar, SVt_PV); /* nop... */ 1589 SvUPGRADE (scalar, SVt_PV); /* nop... */
1590
1396 if (!(prot & PROT_WRITE)) 1591 if (!(prot & PROT_WRITE))
1397 SvREADONLY_on (scalar); 1592 SvREADONLY_on (scalar);
1593
1594 if (SvLEN (scalar))
1595 Safefree (SvPVX (scalar));
1398 1596
1399 SvPVX (scalar) = (char *)addr; 1597 SvPVX (scalar) = (char *)addr;
1400 SvCUR_set (scalar, length); 1598 SvCUR_set (scalar, length);
1401 SvLEN_set (scalar, 0); 1599 SvLEN_set (scalar, 0);
1402 SvPOK_only (scalar); 1600 SvPOK_only (scalar);
1404 XSRETURN_YES; 1602 XSRETURN_YES;
1405} 1603}
1406 1604
1407void 1605void
1408munmap (SV *scalar) 1606munmap (SV *scalar)
1409 PROTOTYPE: $
1410 CODE: 1607 CODE:
1411 sv_unmagic (scalar, MMAP_MAGIC); 1608 sv_unmagic (scalar, MMAP_MAGIC);
1412 1609
1413int 1610int
1414mlockall (int flags) 1611madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1415 PROTOTYPE: $ 1612 ALIAS:
1613 mprotect = 1
1416 CODE: 1614 CODE:
1615{
1616 STRLEN svlen;
1617 void *addr = SvPVbyte (scalar, svlen);
1618 size_t len = SvUV (length);
1619
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)
1627 len = svlen - offset;
1628
1629 addr = (void *)(((intptr_t)addr) + offset);
1630 eio_page_align (&addr, &len);
1631
1632 switch (ix)
1633 {
1634 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
1635 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
1636 }
1637}
1638 OUTPUT:
1639 RETVAL
1640
1641int
1642munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
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);
1417#if _POSIX_MEMLOCK 1660#if _POSIX_MEMLOCK_RANGE
1418#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7 1661 RETVAL = munlock (addr, len);
1419 extern int mallopt (int, int);
1420 mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1421#endif
1422 mlockall (flags);
1423#else 1662#else
1424 RETVAL = -1; 1663 RETVAL = ((errno = ENOSYS), -1);
1425 errno = ENOSYS;
1426#endif 1664#endif
1665}
1427 OUTPUT: 1666 OUTPUT:
1428 RETVAL 1667 RETVAL
1429 1668
1430int 1669int
1431munlockall () 1670munlockall ()
1432 PROTOTYPE:
1433 CODE: 1671 CODE:
1434#if _POSIX_MEMLOCK 1672#if _POSIX_MEMLOCK
1435 munlockall (); 1673 munlockall ();
1436#else 1674#else
1437 RETVAL = -1; 1675 RETVAL = -1;

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