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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.182 by root, Thu May 19 22:57:04 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
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;
… …
585 case EIO_NOP: 587 case EIO_NOP:
586 case EIO_BUSY: 588 case EIO_BUSY:
587 break; 589 break;
588 590
589 case EIO_READLINK: 591 case EIO_READLINK:
592 case EIO_REALPATH:
590 if (req->result > 0) 593 if (req->result > 0)
591 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 594 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
592 break; 595 break;
593 596
594 case EIO_STAT: 597 case EIO_STAT:
595 case EIO_LSTAT: 598 case EIO_LSTAT:
596 case EIO_FSTAT: 599 case EIO_FSTAT:
597 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 600 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
598 PL_laststatval = req->result; 601 PL_laststatval = req->result;
602 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
599 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 603 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
600 PUSHs (sv_result); 604 PUSHs (sv_result);
601 break; 605 break;
602 606
603 case EIO_READ: 607 case EIO_READ:
… …
655 Safefree (req); 659 Safefree (req);
656} 660}
657 661
658static void req_cancel_subs (aio_req grp) 662static void req_cancel_subs (aio_req grp)
659{ 663{
660 aio_req sub;
661
662 if (grp->type != EIO_GROUP) 664 if (grp->type != EIO_GROUP)
663 return; 665 return;
664 666
665 SvREFCNT_dec (grp->sv2); 667 SvREFCNT_dec (grp->sv2);
666 grp->sv2 = 0; 668 grp->sv2 = 0;
667 669
668 eio_grp_cancel (grp); 670 eio_grp_cancel (grp);
669} 671}
670 672
671static void
672create_respipe (void) 673static void create_respipe (void)
673{ 674{
674 if (s_epipe_renew (&respipe)) 675 if (s_epipe_renew (&respipe))
675 croak ("IO::AIO: unable to initialize result pipe"); 676 croak ("IO::AIO: unable to initialize result pipe");
676} 677}
677 678
… …
708 709
709 poll_wait (); 710 poll_wait ();
710 } 711 }
711} 712}
712 713
713static void atfork_child (void) 714static void ecb_cold
715reinit (void)
714{ 716{
715 create_respipe (); 717 create_respipe ();
718
719 if (eio_init (want_poll, done_poll) < 0)
720 croak ("IO::AIO: unable to initialise eio library");
716} 721}
717 722
718/*****************************************************************************/ 723/*****************************************************************************/
719 724
720#if !_POSIX_MAPPED_FILES 725#if !_POSIX_MAPPED_FILES
… …
731# define MAP_FIXED 0 736# define MAP_FIXED 0
732#endif 737#endif
733 738
734#define MMAP_MAGIC PERL_MAGIC_ext 739#define MMAP_MAGIC PERL_MAGIC_ext
735 740
736static int
737mmap_free (pTHX_ SV *sv, MAGIC *mg) 741static int mmap_free (pTHX_ SV *sv, MAGIC *mg)
738{ 742{
739 int old_errno = errno; 743 int old_errno = errno;
740 munmap (mg->mg_ptr, (size_t)mg->mg_obj); 744 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
741 errno = old_errno; 745 errno = old_errno;
742 746
… …
758 0, 0, 0, 0, mmap_free 762 0, 0, 0, 0, mmap_free
759}; 763};
760 764
761/*****************************************************************************/ 765/*****************************************************************************/
762 766
763static SV *
764get_cb (SV *cb_sv) 767static SV * get_cb (SV *cb_sv)
765{ 768{
766 SvGETMAGIC (cb_sv); 769 SvGETMAGIC (cb_sv);
767 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 770 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
768} 771}
769 772
… …
893 896
894 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 897 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
895 const_eio (SYNC_FILE_RANGE_WRITE) 898 const_eio (SYNC_FILE_RANGE_WRITE)
896 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 899 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
897 900
901 const_eio (FALLOC_FL_KEEP_SIZE)
902
898 const_eio (READDIR_DENTS) 903 const_eio (READDIR_DENTS)
899 const_eio (READDIR_DIRS_FIRST) 904 const_eio (READDIR_DIRS_FIRST)
900 const_eio (READDIR_STAT_ORDER) 905 const_eio (READDIR_STAT_ORDER)
901 const_eio (READDIR_FOUND_UNKNOWN) 906 const_eio (READDIR_FOUND_UNKNOWN)
902 907
… …
918 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; )
919 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); 924 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
920 925
921 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 926 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
922 927
923 create_respipe (); 928 reinit ();
924
925 if (eio_init (want_poll, done_poll) < 0)
926 croak ("IO::AIO: unable to initialise eio library");
927
928 /* atfork child called in fifo order, so before eio's handler */
929 X_THREAD_ATFORK (0, 0, atfork_child);
930} 929}
930
931void
932reinit ()
933 PROTOTYPE:
934 CODE:
935 reinit ();
931 936
932void 937void
933max_poll_reqs (unsigned int nreqs) 938max_poll_reqs (unsigned int nreqs)
934 PROTOTYPE: $ 939 PROTOTYPE: $
935 CODE: 940 CODE:
… …
1019 1024
1020 REQ_SEND (req); 1025 REQ_SEND (req);
1021} 1026}
1022 1027
1023void 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
1024aio_close (SV *fh, SV *callback=&PL_sv_undef) 1046aio_close (SV *fh, SV *callback=&PL_sv_undef)
1025 PPCODE: 1047 PPCODE:
1026{ 1048{
1027 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 */
1028 int fd = s_fileno_croak (fh, 0); 1050 int fd = s_fileno_croak (fh, 0);
1029 dREQ; 1051 dREQ;
1030 1052
1031 if (close_pipe < 0) 1053 if (expect_false (close_fd < 0))
1032 { 1054 {
1033 int pipefd [2]; 1055 int pipefd [2];
1034 1056
1057 if (
1058#ifdef _WIN32
1059 _pipe (pipefd, 1, _O_BINARY) < 0
1060#else
1035 if (pipe (pipefd) < 0 1061 pipe (pipefd) < 0
1036 || close (pipefd [1]) < 0
1037 || 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 )
1038 abort (); /*D*/ 1066 abort (); /*D*/
1039 1067
1040 close_pipe = pipefd [0]; 1068 close_fd = pipefd [0];
1041 } 1069 }
1042 1070
1043 req->type = EIO_DUP2; 1071 req->type = EIO_DUP2;
1044 req->int1 = close_pipe; 1072 req->int1 = close_fd;
1045 req->sv2 = newSVsv (fh); 1073 req->sv2 = newSVsv (fh);
1046 req->int2 = fd; 1074 req->int2 = fd;
1047 1075
1048 REQ_SEND (req); 1076 REQ_SEND (req);
1049} 1077}
… …
1101 } 1129 }
1102} 1130}
1103 1131
1104void 1132void
1105aio_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
1106 PPCODE: 1137 PPCODE:
1107{ 1138{
1108 SV *data;
1109 dREQ; 1139 dREQ;
1110 1140
1111 req->type = EIO_READLINK; 1141 req->type = ix;
1112 req->sv1 = newSVsv (path); 1142 req->sv1 = newSVsv (path);
1113 req->ptr1 = SvPVbyte_nolen (req->sv1); 1143 req->ptr1 = SvPVbyte_nolen (req->sv1);
1114 1144
1115 REQ_SEND; 1145 REQ_SEND;
1116} 1146}

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