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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.181 by root, Tue Feb 15 03:21:41 2011 UTC vs.
Revision 1.190 by root, Mon Jul 18 02:02:26 2011 UTC

… …
11#include <stddef.h> 11#include <stddef.h>
12#include <stdlib.h> 12#include <stdlib.h>
13#include <errno.h> 13#include <errno.h>
14#include <sys/types.h> 14#include <sys/types.h>
15#include <sys/stat.h> 15#include <sys/stat.h>
16#include <sys/statvfs.h>
17#include <limits.h> 16#include <limits.h>
18#include <fcntl.h> 17#include <fcntl.h>
19#include <sched.h> 18#include <sched.h>
20 19
21#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES 20#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
22# include <sys/mman.h> 21# include <sys/mman.h>
23#endif 22#endif
24 23
25/* perl namespace pollution */ 24/* perl namespace pollution */
26#undef VERSION 25#undef VERSION
27
28#ifdef _WIN32
29
30# define EIO_STRUCT_DIRENT Direntry_t
31# undef malloc
32# undef free
33
34// perl overrides all those nice win32 functions
35# undef open
36# undef read
37# undef write
38# undef send
39# undef recv
40# undef stat
41# undef fstat
42# define lstat stat
43# undef truncate
44# undef ftruncate
45# undef open
46# undef close
47# undef unlink
48# undef rmdir
49# undef rename
50# undef lseek
51
52# define chown(a,b,c) (errno = ENOSYS, -1)
53# define fchown(a,b,c) (errno = ENOSYS, -1)
54# define fchmod(a,b) (errno = ENOSYS, -1)
55# define symlink(a,b) (errno = ENOSYS, -1)
56# define readlink(a,b,c) (errno = ENOSYS, -1)
57# define mknod(a,b,c) (errno = ENOSYS, -1)
58# define truncate(a,b) (errno = ENOSYS, -1)
59# define ftruncate(fd,o) chsize ((fd), (o))
60# define fsync(fd) _commit (fd)
61# define opendir(fd) (errno = ENOSYS, 0)
62# define readdir(fd) (errno = ENOSYS, -1)
63# define closedir(fd) (errno = ENOSYS, -1)
64# define mkdir(a,b) mkdir (a)
65
66#else
67
68# include <sys/time.h>
69# include <sys/select.h>
70# include <unistd.h>
71# include <utime.h>
72# include <signal.h>
73# define EIO_STRUCT_DIRENT struct dirent
74
75#endif
76 26
77/* perl stupidly overrides readdir and maybe others */ 27/* perl stupidly overrides readdir and maybe others */
78/* with thread-unsafe versions, imagine that :( */ 28/* with thread-unsafe versions, imagine that :( */
79#undef readdir 29#undef readdir
80#undef opendir 30#undef opendir
81#undef closedir 31#undef closedir
32
33#ifdef _WIN32
34
35 // perl overrides all those nice libc functions
36
37 #undef malloc
38 #undef free
39 #undef open
40 #undef read
41 #undef write
42 #undef send
43 #undef recv
44 #undef stat
45 #undef lstat
46 #undef fstat
47 #undef truncate
48 #undef ftruncate
49 #undef open
50 #undef link
51 #undef close
52 #undef unlink
53 #undef mkdir
54 #undef rmdir
55 #undef rename
56 #undef lseek
57 #undef opendir
58 #undef readdir
59 #undef closedir
60 #undef chmod
61 #undef fchmod
62 #undef dup
63 #undef dup2
64 #undef abort
65 #undef pipe
66
67#else
68
69 #include <sys/time.h>
70 #include <sys/select.h>
71 #include <unistd.h>
72 #include <utime.h>
73 #include <signal.h>
74
75#endif
82 76
83#define EIO_STRUCT_STAT Stat_t 77#define EIO_STRUCT_STAT Stat_t
84 78
85/* use NV for 32 bit perls as it allows larger offsets */ 79/* use NV for 32 bit perls as it allows larger offsets */
86#if IVSIZE >= 8 80#if IVSIZE >= 8
… …
121#define EIO_NO_WRAPPERS 1 115#define EIO_NO_WRAPPERS 1
122 116
123#include "libeio/config.h" 117#include "libeio/config.h"
124#include "libeio/eio.h" 118#include "libeio/eio.h"
125 119
120static int req_invoke (eio_req *req);
121#define EIO_FINISH(req) req_invoke (req)
122static void req_destroy (eio_req *grp);
123#define EIO_DESTROY(req) req_destroy (req)
124
125#include "libeio/eio.c"
126
127/* Linux/others */
128#ifndef O_ASYNC
129# define O_ASYNC 0
130#endif
131#ifndef O_DIRECT
132# define O_DIRECT 0
133#endif
134#ifndef O_NOATIME
135# define O_NOATIME 0
136#endif
137
138/* POSIX */
139#ifndef O_CLOEXEC
140# define O_CLOEXEC 0
141#endif
142#ifndef O_NOFOLLOW
143# define O_NOFOLLOW 0
144#endif
145#ifndef O_NOCTTY
146# define O_NOCTTY 0
147#endif
148#ifndef O_NONBLOCK
149# define O_NONBLOCK 0
150#endif
151#ifndef O_EXEC
152# define O_EXEC 0
153#endif
154#ifndef O_SEARCH
155# define O_SEARCH 0
156#endif
157#ifndef O_DIRECTORY
158# define O_DIRECTORY 0
159#endif
160#ifndef O_DSYNC
161# define O_DSYNC 0
162#endif
163#ifndef O_RSYNC
164# define O_RSYNC 0
165#endif
166#ifndef O_SYNC
167# define O_SYNC 0
168#endif
169#ifndef O_TTY_INIT
170# define O_TTY_INIT 0
171#endif
172
126#ifndef POSIX_FADV_NORMAL 173#ifndef POSIX_FADV_NORMAL
127# define POSIX_FADV_NORMAL 0 174# define POSIX_FADV_NORMAL 0
128#endif 175#endif
129#ifndef POSIX_FADV_SEQUENTIAL 176#ifndef POSIX_FADV_SEQUENTIAL
130# define POSIX_FADV_SEQUENTIAL 0 177# define POSIX_FADV_SEQUENTIAL 0
… …
177#endif 224#endif
178#ifndef PROT_EXEC 225#ifndef PROT_EXEC
179# define PROT_EXEC 0 226# define PROT_EXEC 0
180#endif 227#endif
181 228
229#ifndef ST_RDONLY
230# define ST_RDONLY 0
231#endif
232#ifndef ST_NOSUID
233# define ST_NOSUID 0
234#endif
182#ifndef ST_NODEV 235#ifndef ST_NODEV
183# define ST_NODEV 0 236# define ST_NODEV 0
184#endif 237#endif
185#ifndef ST_NOEXEC 238#ifndef ST_NOEXEC
186# define ST_NOEXEC 0 239# define ST_NOEXEC 0
… …
270 323
271#ifndef PAGESIZE 324#ifndef PAGESIZE
272# define PAGESIZE sysconf (_SC_PAGESIZE) 325# define PAGESIZE sysconf (_SC_PAGESIZE)
273#endif 326#endif
274 327
275static int req_invoke (eio_req *req);
276#define EIO_FINISH(req) req_invoke (req)
277static void req_destroy (eio_req *grp);
278#define EIO_DESTROY(req) req_destroy (req)
279
280enum { 328enum {
281 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 329 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
282}; 330};
283
284#include "libeio/eio.c"
285 331
286typedef eio_req *aio_req; 332typedef eio_req *aio_req;
287typedef eio_req *aio_req_ornot; 333typedef eio_req *aio_req_ornot;
288 334
289static SV *on_next_submit; 335static SV *on_next_submit;
… …
495 case EIO_STATVFS: 541 case EIO_STATVFS:
496 case EIO_FSTATVFS: 542 case EIO_FSTATVFS:
497 { 543 {
498 SV *rv = &PL_sv_undef; 544 SV *rv = &PL_sv_undef;
499 545
546#ifndef _WIN32
500 if (req->result >= 0) 547 if (req->result >= 0)
501 { 548 {
502 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 549 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
503 HV *hv = newHV (); 550 HV *hv = newHV ();
504 551
… …
514 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); 561 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
515 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); 562 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
516 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); 563 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
517 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); 564 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
518 } 565 }
566#endif
519 567
520 PUSHs (rv); 568 PUSHs (rv);
521 } 569 }
522 570
523 break; 571 break;
… …
539 case EIO_NOP: 587 case EIO_NOP:
540 case EIO_BUSY: 588 case EIO_BUSY:
541 break; 589 break;
542 590
543 case EIO_READLINK: 591 case EIO_READLINK:
592 case EIO_REALPATH:
544 if (req->result > 0) 593 if (req->result > 0)
545 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 594 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
546 break; 595 break;
547 596
548 case EIO_STAT: 597 case EIO_STAT:
549 case EIO_LSTAT: 598 case EIO_LSTAT:
550 case EIO_FSTAT: 599 case EIO_FSTAT:
551 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 600 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
552 PL_laststatval = req->result; 601 PL_laststatval = req->result;
602 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
553 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 603 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
554 PUSHs (sv_result); 604 PUSHs (sv_result);
555 break; 605 break;
556 606
557 case EIO_READ: 607 case EIO_READ:
… …
609 Safefree (req); 659 Safefree (req);
610} 660}
611 661
612static void req_cancel_subs (aio_req grp) 662static void req_cancel_subs (aio_req grp)
613{ 663{
614 aio_req sub;
615
616 if (grp->type != EIO_GROUP) 664 if (grp->type != EIO_GROUP)
617 return; 665 return;
618 666
619 SvREFCNT_dec (grp->sv2); 667 SvREFCNT_dec (grp->sv2);
620 grp->sv2 = 0; 668 grp->sv2 = 0;
621 669
622 eio_grp_cancel (grp); 670 eio_grp_cancel (grp);
623} 671}
624 672
625static void
626create_respipe (void) 673static void create_respipe (void)
627{ 674{
628 if (s_epipe_renew (&respipe)) 675 if (s_epipe_renew (&respipe))
629 croak ("IO::AIO: unable to initialize result pipe"); 676 croak ("IO::AIO: unable to initialize result pipe");
630} 677}
631 678
… …
662 709
663 poll_wait (); 710 poll_wait ();
664 } 711 }
665} 712}
666 713
667static void atfork_child (void) 714static void ecb_cold
715reinit (void)
668{ 716{
669 create_respipe (); 717 create_respipe ();
718
719 if (eio_init (want_poll, done_poll) < 0)
720 croak ("IO::AIO: unable to initialise eio library");
670} 721}
671 722
672/*****************************************************************************/ 723/*****************************************************************************/
673 724
674#if !_POSIX_MAPPED_FILES 725#if !_POSIX_MAPPED_FILES
… …
685# define MAP_FIXED 0 736# define MAP_FIXED 0
686#endif 737#endif
687 738
688#define MMAP_MAGIC PERL_MAGIC_ext 739#define MMAP_MAGIC PERL_MAGIC_ext
689 740
690static int
691mmap_free (pTHX_ SV *sv, MAGIC *mg) 741static int mmap_free (pTHX_ SV *sv, MAGIC *mg)
692{ 742{
693 int old_errno = errno; 743 int old_errno = errno;
694 munmap (mg->mg_ptr, (size_t)mg->mg_obj); 744 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
695 errno = old_errno; 745 errno = old_errno;
696 746
… …
712 0, 0, 0, 0, mmap_free 762 0, 0, 0, 0, mmap_free
713}; 763};
714 764
715/*****************************************************************************/ 765/*****************************************************************************/
716 766
717static SV *
718get_cb (SV *cb_sv) 767static SV * get_cb (SV *cb_sv)
719{ 768{
720 SvGETMAGIC (cb_sv); 769 SvGETMAGIC (cb_sv);
721 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 770 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
722} 771}
723 772
… …
765 const_iv (O_CREAT) 814 const_iv (O_CREAT)
766 const_iv (O_TRUNC) 815 const_iv (O_TRUNC)
767 const_iv (O_EXCL) 816 const_iv (O_EXCL)
768 const_iv (O_APPEND) 817 const_iv (O_APPEND)
769 818
819 const_iv (O_ASYNC)
820 const_iv (O_DIRECT)
821 const_iv (O_NOATIME)
822
823 const_iv (O_CLOEXEC)
824 const_iv (O_NOCTTY)
825 const_iv (O_NOFOLLOW)
826 const_iv (O_NONBLOCK)
827 const_iv (O_EXEC)
828 const_iv (O_SEARCH)
829 const_iv (O_DIRECTORY)
830 const_iv (O_DSYNC)
831 const_iv (O_RSYNC)
832 const_iv (O_SYNC)
833 const_iv (O_TTY_INIT)
834
770 const_iv (S_IFIFO) 835 const_iv (S_IFIFO)
771 const_iv (S_IFCHR) 836 const_iv (S_IFCHR)
772 const_iv (S_IFBLK) 837 const_iv (S_IFBLK)
773 const_iv (S_IFLNK) 838 const_iv (S_IFLNK)
774 const_iv (S_IFREG) 839 const_iv (S_IFREG)
… …
831 896
832 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 897 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
833 const_eio (SYNC_FILE_RANGE_WRITE) 898 const_eio (SYNC_FILE_RANGE_WRITE)
834 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 899 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
835 900
901 const_eio (FALLOC_FL_KEEP_SIZE)
902
836 const_eio (READDIR_DENTS) 903 const_eio (READDIR_DENTS)
837 const_eio (READDIR_DIRS_FIRST) 904 const_eio (READDIR_DIRS_FIRST)
838 const_eio (READDIR_STAT_ORDER) 905 const_eio (READDIR_STAT_ORDER)
839 const_eio (READDIR_FOUND_UNKNOWN) 906 const_eio (READDIR_FOUND_UNKNOWN)
840 907
… …
856 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 923 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
857 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); 924 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
858 925
859 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 926 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
860 927
861 create_respipe (); 928 reinit ();
862
863 if (eio_init (want_poll, done_poll) < 0)
864 croak ("IO::AIO: unable to initialise eio library");
865
866 /* atfork child called in fifo order, so before eio's handler */
867 X_THREAD_ATFORK (0, 0, atfork_child);
868} 929}
930
931void
932reinit ()
933 PROTOTYPE:
934 CODE:
935 reinit ();
869 936
870void 937void
871max_poll_reqs (unsigned int nreqs) 938max_poll_reqs (unsigned int nreqs)
872 PROTOTYPE: $ 939 PROTOTYPE: $
873 CODE: 940 CODE:
… …
957 1024
958 REQ_SEND (req); 1025 REQ_SEND (req);
959} 1026}
960 1027
961void 1028void
1029aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
1030 PPCODE:
1031{
1032 int fd = s_fileno_croak (fh, 0);
1033 dREQ;
1034
1035 req->type = EIO_FALLOCATE;
1036 req->sv1 = newSVsv (fh);
1037 req->int1 = fd;
1038 req->int2 = mode;
1039 req->offs = offset;
1040 req->size = len;
1041
1042 REQ_SEND (req);
1043}
1044
1045void
962aio_close (SV *fh, SV *callback=&PL_sv_undef) 1046aio_close (SV *fh, SV *callback=&PL_sv_undef)
963 PPCODE: 1047 PPCODE:
964{ 1048{
965 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 1049 static int close_fd = -1; /* dummy fd to close fds via dup2 */
966 int fd = s_fileno_croak (fh, 0); 1050 int fd = s_fileno_croak (fh, 0);
967 dREQ; 1051 dREQ;
968 1052
969 if (close_pipe < 0) 1053 if (expect_false (close_fd < 0))
970 { 1054 {
971 int pipefd [2]; 1055 int pipefd [2];
972 1056
1057 if (
1058#ifdef _WIN32
1059 _pipe (pipefd, 1, _O_BINARY) < 0
1060#else
973 if (pipe (pipefd) < 0 1061 pipe (pipefd) < 0
974 || close (pipefd [1]) < 0
975 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) 1062 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1063#endif
1064 || close (pipefd [1]) < 0
1065 )
976 abort (); /*D*/ 1066 abort (); /*D*/
977 1067
978 close_pipe = pipefd [0]; 1068 close_fd = pipefd [0];
979 } 1069 }
980 1070
981 req->type = EIO_DUP2; 1071 req->type = EIO_DUP2;
982 req->int1 = close_pipe; 1072 req->int1 = close_fd;
983 req->sv2 = newSVsv (fh); 1073 req->sv2 = newSVsv (fh);
984 req->int2 = fd; 1074 req->int2 = fd;
985 1075
986 REQ_SEND (req); 1076 REQ_SEND (req);
987} 1077}
… …
1039 } 1129 }
1040} 1130}
1041 1131
1042void 1132void
1043aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1133aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)
1134 ALIAS:
1135 aio_readlink = EIO_READLINK
1136 aio_realpath = EIO_REALPATH
1044 PPCODE: 1137 PPCODE:
1045{ 1138{
1046 SV *data;
1047 dREQ; 1139 dREQ;
1048 1140
1049 req->type = EIO_READLINK; 1141 req->type = ix;
1050 req->sv1 = newSVsv (path); 1142 req->sv1 = newSVsv (path);
1051 req->ptr1 = SvPVbyte_nolen (req->sv1); 1143 req->ptr1 = SvPVbyte_nolen (req->sv1);
1052 1144
1053 REQ_SEND; 1145 REQ_SEND;
1054} 1146}

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