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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.183 by root, Tue Jul 5 09:24:11 2011 UTC vs.
Revision 1.194 by root, Fri Jul 29 08:35:36 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
126/* Linux/others */ 127/* Linux/others */
127#ifndef O_ASYNC 128#ifndef O_ASYNC
128# define O_ASYNC 0 129# define O_ASYNC 0
129#endif 130#endif
130#ifndef O_DIRECT 131#ifndef O_DIRECT
… …
223#endif 224#endif
224#ifndef PROT_EXEC 225#ifndef PROT_EXEC
225# define PROT_EXEC 0 226# define PROT_EXEC 0
226#endif 227#endif
227 228
229#ifndef ST_RDONLY
230# define ST_RDONLY 0
231#endif
232#ifndef ST_NOSUID
233# define ST_NOSUID 0
234#endif
228#ifndef ST_NODEV 235#ifndef ST_NODEV
229# define ST_NODEV 0 236# define ST_NODEV 0
230#endif 237#endif
231#ifndef ST_NOEXEC 238#ifndef ST_NOEXEC
232# define ST_NOEXEC 0 239# define ST_NOEXEC 0
… …
316 323
317#ifndef PAGESIZE 324#ifndef PAGESIZE
318# define PAGESIZE sysconf (_SC_PAGESIZE) 325# define PAGESIZE sysconf (_SC_PAGESIZE)
319#endif 326#endif
320 327
321static int req_invoke (eio_req *req);
322#define EIO_FINISH(req) req_invoke (req)
323static void req_destroy (eio_req *grp);
324#define EIO_DESTROY(req) req_destroy (req)
325
326enum { 328enum {
327 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 329 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
328}; 330};
329
330#include "libeio/eio.c"
331 331
332typedef eio_req *aio_req; 332typedef eio_req *aio_req;
333typedef eio_req *aio_req_ornot; 333typedef eio_req *aio_req_ornot;
334 334
335static SV *on_next_submit; 335static SV *on_next_submit;
… …
541 case EIO_STATVFS: 541 case EIO_STATVFS:
542 case EIO_FSTATVFS: 542 case EIO_FSTATVFS:
543 { 543 {
544 SV *rv = &PL_sv_undef; 544 SV *rv = &PL_sv_undef;
545 545
546#ifndef _WIN32
546 if (req->result >= 0) 547 if (req->result >= 0)
547 { 548 {
548 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 549 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
549 HV *hv = newHV (); 550 HV *hv = newHV ();
550 551
… …
560 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);
561 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);
562 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);
563 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);
564 } 565 }
566#endif
565 567
566 PUSHs (rv); 568 PUSHs (rv);
567 } 569 }
568 570
569 break; 571 break;
… …
595 case EIO_STAT: 597 case EIO_STAT:
596 case EIO_LSTAT: 598 case EIO_LSTAT:
597 case EIO_FSTAT: 599 case EIO_FSTAT:
598 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 600 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
599 PL_laststatval = req->result; 601 PL_laststatval = req->result;
602 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
600 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 603 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
601 PUSHs (sv_result); 604 PUSHs (sv_result);
602 break; 605 break;
603 606
604 case EIO_READ: 607 case EIO_READ:
… …
656 Safefree (req); 659 Safefree (req);
657} 660}
658 661
659static void req_cancel_subs (aio_req grp) 662static void req_cancel_subs (aio_req grp)
660{ 663{
661 aio_req sub;
662
663 if (grp->type != EIO_GROUP) 664 if (grp->type != EIO_GROUP)
664 return; 665 return;
665 666
666 SvREFCNT_dec (grp->sv2); 667 SvREFCNT_dec (grp->sv2);
667 grp->sv2 = 0; 668 grp->sv2 = 0;
668 669
669 eio_grp_cancel (grp); 670 eio_grp_cancel (grp);
670} 671}
671 672
672static void
673create_respipe (void) 673static void create_respipe (void)
674{ 674{
675 if (s_epipe_renew (&respipe)) 675 if (s_epipe_renew (&respipe))
676 croak ("IO::AIO: unable to initialize result pipe"); 676 croak ("IO::AIO: unable to initialize result pipe");
677} 677}
678 678
… …
709 709
710 poll_wait (); 710 poll_wait ();
711 } 711 }
712} 712}
713 713
714static void atfork_child (void) 714static void ecb_cold
715reinit (void)
715{ 716{
716 create_respipe (); 717 create_respipe ();
718
719 if (eio_init (want_poll, done_poll) < 0)
720 croak ("IO::AIO: unable to initialise eio library");
717} 721}
718 722
719/*****************************************************************************/ 723/*****************************************************************************/
720 724
721#if !_POSIX_MAPPED_FILES 725#if !_POSIX_MAPPED_FILES
… …
732# define MAP_FIXED 0 736# define MAP_FIXED 0
733#endif 737#endif
734 738
735#define MMAP_MAGIC PERL_MAGIC_ext 739#define MMAP_MAGIC PERL_MAGIC_ext
736 740
737static int
738mmap_free (pTHX_ SV *sv, MAGIC *mg) 741static int mmap_free (pTHX_ SV *sv, MAGIC *mg)
739{ 742{
740 int old_errno = errno; 743 int old_errno = errno;
741 munmap (mg->mg_ptr, (size_t)mg->mg_obj); 744 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
742 errno = old_errno; 745 errno = old_errno;
743 746
… …
759 0, 0, 0, 0, mmap_free 762 0, 0, 0, 0, mmap_free
760}; 763};
761 764
762/*****************************************************************************/ 765/*****************************************************************************/
763 766
764static SV *
765get_cb (SV *cb_sv) 767static SV * get_cb (SV *cb_sv)
766{ 768{
767 SvGETMAGIC (cb_sv); 769 SvGETMAGIC (cb_sv);
768 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 770 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
769} 771}
770 772
… …
894 896
895 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 897 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
896 const_eio (SYNC_FILE_RANGE_WRITE) 898 const_eio (SYNC_FILE_RANGE_WRITE)
897 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 899 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
898 900
901 const_eio (FALLOC_FL_KEEP_SIZE)
902
899 const_eio (READDIR_DENTS) 903 const_eio (READDIR_DENTS)
900 const_eio (READDIR_DIRS_FIRST) 904 const_eio (READDIR_DIRS_FIRST)
901 const_eio (READDIR_STAT_ORDER) 905 const_eio (READDIR_STAT_ORDER)
902 const_eio (READDIR_FOUND_UNKNOWN) 906 const_eio (READDIR_FOUND_UNKNOWN)
903 907
… …
914 918
915 aio_stash = gv_stashpv ("IO::AIO" , 1); 919 aio_stash = gv_stashpv ("IO::AIO" , 1);
916 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); 920 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
917 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); 921 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
918 922
919 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; civ--)
920 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); 924 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
921 925
922 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 926 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
923 927
924 create_respipe (); 928 reinit ();
925
926 if (eio_init (want_poll, done_poll) < 0)
927 croak ("IO::AIO: unable to initialise eio library");
928
929 /* atfork child called in fifo order, so before eio's handler */
930 X_THREAD_ATFORK (0, 0, atfork_child);
931} 929}
930
931void
932reinit ()
933 PROTOTYPE:
932 934
933void 935void
934max_poll_reqs (unsigned int nreqs) 936max_poll_reqs (unsigned int nreqs)
935 PROTOTYPE: $ 937 PROTOTYPE: $
936 CODE: 938 CODE:
… …
990void 992void
991aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 993aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
992 ALIAS: 994 ALIAS:
993 aio_fsync = EIO_FSYNC 995 aio_fsync = EIO_FSYNC
994 aio_fdatasync = EIO_FDATASYNC 996 aio_fdatasync = EIO_FDATASYNC
997 aio_syncfs = EIO_SYNCFS
995 PPCODE: 998 PPCODE:
996{ 999{
997 int fd = s_fileno_croak (fh, 0); 1000 int fd = s_fileno_croak (fh, 0);
998 dREQ; 1001 dREQ;
999 1002
… …
1020 1023
1021 REQ_SEND (req); 1024 REQ_SEND (req);
1022} 1025}
1023 1026
1024void 1027void
1028aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
1029 PPCODE:
1030{
1031 int fd = s_fileno_croak (fh, 0);
1032 dREQ;
1033
1034 req->type = EIO_FALLOCATE;
1035 req->sv1 = newSVsv (fh);
1036 req->int1 = fd;
1037 req->int2 = mode;
1038 req->offs = offset;
1039 req->size = len;
1040
1041 REQ_SEND (req);
1042}
1043
1044void
1025aio_close (SV *fh, SV *callback=&PL_sv_undef) 1045aio_close (SV *fh, SV *callback=&PL_sv_undef)
1026 PPCODE: 1046 PPCODE:
1027{ 1047{
1028 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 1048 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1029 int fd = s_fileno_croak (fh, 0); 1049 int fd = s_fileno_croak (fh, 0);
1030 dREQ; 1050 dREQ;
1031 1051
1032 if (close_pipe < 0) 1052 if (expect_false (close_fd < 0))
1033 { 1053 {
1034 int pipefd [2]; 1054 int pipefd [2];
1035 1055
1056 if (
1057#ifdef _WIN32
1058 _pipe (pipefd, 1, _O_BINARY) < 0
1059#else
1036 if (pipe (pipefd) < 0 1060 pipe (pipefd) < 0
1037 || close (pipefd [1]) < 0
1038 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) 1061 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1062#endif
1063 || close (pipefd [1]) < 0
1064 )
1039 abort (); /*D*/ 1065 abort (); /*D*/
1040 1066
1041 close_pipe = pipefd [0]; 1067 close_fd = pipefd [0];
1042 } 1068 }
1043 1069
1044 req->type = EIO_DUP2; 1070 req->type = EIO_DUP2;
1045 req->int1 = close_pipe; 1071 req->int1 = close_fd;
1046 req->sv2 = newSVsv (fh); 1072 req->sv2 = newSVsv (fh);
1047 req->int2 = fd; 1073 req->int2 = fd;
1048 1074
1049 REQ_SEND (req); 1075 REQ_SEND (req);
1050} 1076}
… …
1107 ALIAS: 1133 ALIAS:
1108 aio_readlink = EIO_READLINK 1134 aio_readlink = EIO_READLINK
1109 aio_realpath = EIO_REALPATH 1135 aio_realpath = EIO_REALPATH
1110 PPCODE: 1136 PPCODE:
1111{ 1137{
1112 SV *data;
1113 dREQ; 1138 dREQ;
1114 1139
1115 req->type = ix; 1140 req->type = ix;
1116 req->sv1 = newSVsv (path); 1141 req->sv1 = newSVsv (path);
1117 req->ptr1 = SvPVbyte_nolen (req->sv1); 1142 req->ptr1 = SvPVbyte_nolen (req->sv1);
… …
1564 CODE: 1589 CODE:
1565 RETVAL = posix_fadvise (fh, offset, length, advice); 1590 RETVAL = posix_fadvise (fh, offset, length, advice);
1566 OUTPUT: 1591 OUTPUT:
1567 RETVAL 1592 RETVAL
1568 1593
1569ssize_t 1594IV
1570sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 1595sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1571 CODE: 1596 CODE:
1572 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 1597 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1573 OUTPUT: 1598 OUTPUT:
1574 RETVAL 1599 RETVAL

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