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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.225 by root, Sat Dec 29 09:35:39 2012 UTC vs.
Revision 1.248 by root, Fri Jun 23 22:33:06 2017 UTC

19 19
20#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES 20#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
21# include <sys/mman.h> 21# include <sys/mman.h>
22#endif 22#endif
23 23
24#if __linux__ 24/* the incompetent fool that created musl keeps __linux__, refuses
25 * to implement any linux standard apis, and also has no way to test
26 * for his broken iplementation. don't complain to me if this fails
27 * for you.
28 */
29#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
25# include <linux/fs.h> 30# include <linux/fs.h>
26# ifdef FS_IOC_FIEMAP 31# ifdef FS_IOC_FIEMAP
27# include <linux/types.h> 32# include <linux/types.h>
28# include <linux/fiemap.h> 33# include <linux/fiemap.h>
29# define HAVE_FIEMAP 1 34# define HAVE_FIEMAP 1
141# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 146# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
142# endif 147# endif
143#endif 148#endif
144 149
145/* defines all sorts of constants to 0 unless they are already defined */ 150/* defines all sorts of constants to 0 unless they are already defined */
151/* also provides const_iv_ and const_niv_ macros for them */
146#include "def0.h" 152#include "def0.h"
147 153
148#ifndef makedev 154#ifndef makedev
149# define makedev(maj,min) (((maj) << 8) | (min)) 155# define makedev(maj,min) (((maj) << 8) | (min))
150#endif 156#endif
198 || !fiemap->fm_mapped_extents /* no more extents */ 204 || !fiemap->fm_mapped_extents /* no more extents */
199 || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */) 205 || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
200 goto done; 206 goto done;
201 207
202 /* else we have to loop - 208 /* else we have to loop -
203 * it would be tempting (atcually I tried that first) to just query the 209 * it would be tempting (actually I tried that first) to just query the
204 * number of extents needed, but linux often feels like not returning all 210 * number of extents needed, but linux often feels like not returning all
205 * extents, without telling us it left any out. this complicates 211 * extents, without telling us it left any out. this complicates
206 * this quite a bit. 212 * this quite a bit.
207 */ 213 */
208 214
221 incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent); 227 incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
222 228
223 if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0) 229 if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
224 return; 230 return;
225 231
232 if (!incmap->fm_mapped_extents)
233 goto done;
234
226 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents; 235 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
227 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count); 236 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
228 errno = ENOMEM; 237 errno = ENOMEM;
229 if (!fiemap) 238 if (!fiemap)
230 return; 239 return;
301} 310}
302 311
303static SV * 312static SV *
304newSVaio_wd (aio_wd wd) 313newSVaio_wd (aio_wd wd)
305{ 314{
306 return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash); 315 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
307} 316}
308 317
309static aio_req 318static aio_req
310SvAIO_REQ (SV *sv) 319SvAIO_REQ (SV *sv)
311{ 320{
330 || SvTYPE (SvRV (sv)) != SVt_PVMG 339 || SvTYPE (SvRV (sv)) != SVt_PVMG
331 || SvSTASH (SvRV (sv)) != aio_wd_stash) 340 || SvSTASH (SvRV (sv)) != aio_wd_stash)
332 croak ("IO::AIO: expected a working directory object as returned by aio_wd"); 341 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
333 342
334 return (aio_wd)(long)SvIVX (SvRV (sv)); 343 return (aio_wd)(long)SvIVX (SvRV (sv));
344}
345
346static SV *
347newmortalFH (int fd, int flags)
348{
349 if (fd < 0)
350 return &PL_sv_undef;
351
352 GV *gv = (GV *)sv_newmortal ();
353 char sym[64];
354 int symlen;
355
356 symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
357 gv_init (gv, aio_stash, sym, symlen, 0);
358
359 symlen = snprintf (
360 sym,
361 sizeof (sym),
362 "%s&=%d",
363 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
364 fd
365 );
366
367 return do_open (gv, sym, symlen, 0, 0, 0, 0)
368 ? (SV *)gv : &PL_sv_undef;
335} 369}
336 370
337static void 371static void
338aio_grp_feed (aio_req grp) 372aio_grp_feed (aio_req grp)
339{ 373{
467 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); 501 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
468 } 502 }
469 break; 503 break;
470 504
471 case EIO_OPEN: 505 case EIO_OPEN:
472 { 506 PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
473 /* convert fd to fh */
474 SV *fh = &PL_sv_undef;
475
476 if (req->result >= 0)
477 {
478 GV *gv = (GV *)sv_newmortal ();
479 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
480 char sym [64];
481 int symlen;
482
483 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
484 gv_init (gv, aio_stash, sym, symlen, 0);
485
486 symlen = snprintf (
487 sym,
488 sizeof (sym),
489 "%s&=%d",
490 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
491 (int)req->result
492 );
493
494 if (do_open (gv, sym, symlen, 0, 0, 0, 0))
495 fh = (SV *)gv;
496 }
497
498 PUSHs (fh);
499 }
500 break; 507 break;
501 508
502 case EIO_STATVFS: 509 case EIO_STATVFS:
503 case EIO_FSTATVFS: 510 case EIO_FSTATVFS:
504 { 511 {
698{ 705{
699 while (eio_nreqs ()) 706 while (eio_nreqs ())
700 { 707 {
701 int size; 708 int size;
702 709
703 X_LOCK (reslock); 710 X_LOCK (EIO_POOL->reslock);
704 size = res_queue.size; 711 size = EIO_POOL->res_queue.size;
705 X_UNLOCK (reslock); 712 X_UNLOCK (EIO_POOL->reslock);
706 713
707 if (size) 714 if (size)
708 return; 715 return;
709 716
710 etp_maybe_start_thread (); 717 etp_maybe_start_thread (EIO_POOL);
711 718
712 s_epipe_wait (&respipe); 719 s_epipe_wait (&respipe);
713 } 720 }
714} 721}
715 722
746# define munmap(addr,length) EIO_ENOSYS () 753# define munmap(addr,length) EIO_ENOSYS ()
747#endif 754#endif
748 755
749#if !_POSIX_MEMORY_PROTECTION 756#if !_POSIX_MEMORY_PROTECTION
750# define mprotect(addr,len,prot) EIO_ENOSYS () 757# define mprotect(addr,len,prot) EIO_ENOSYS ()
751# define PROT_NONE 0
752# define PROT_WRITE 0
753# define MAP_PRIVATE 0
754# define MAP_SHARED 0
755# define MAP_FIXED 0
756#endif 758#endif
757 759
758#define MMAP_MAGIC PERL_MAGIC_ext 760#define MMAP_MAGIC PERL_MAGIC_ext
759 761
760static int ecb_cold 762static int ecb_cold
900 } *civ, const_iv[] = { 902 } *civ, const_iv[] = {
901# define const_niv(name, value) { # name, (IV) value }, 903# define const_niv(name, value) { # name, (IV) value },
902# define const_iv(name) { # name, (IV) name }, 904# define const_iv(name) { # name, (IV) name },
903# define const_eio(name) { # name, (IV) EIO_ ## name }, 905# define const_eio(name) { # name, (IV) EIO_ ## name },
904 906
905 /* you have to re-run ./gendef0 after adding/Removing any constants here */ 907 /* you have to re-run ./gendef0 after adding/removing any constants here */
906 908 /* the first block can be undef if missing */
907 const_iv (ENOSYS) 909 const_iv (ENOSYS)
908 const_iv (EXDEV) 910 const_iv (EXDEV)
909 const_iv (EBADR) 911 const_iv (EBADR)
910 912
913 /* for lseek */
914 const_iv (SEEK_DATA)
915 const_iv (SEEK_HOLE)
916
917 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
918 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
919 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
920 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
921 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
922 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
923
924 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
925 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
926 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
927 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
928 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
929
930 /* the second block will be 0 when missing */
911 const_iv (O_RDONLY) 931 const_iv (O_RDONLY)
912 const_iv (O_WRONLY) 932 const_iv (O_WRONLY)
913 const_iv (O_RDWR) 933 const_iv (O_RDWR)
914 const_iv (O_CREAT) 934 const_iv (O_CREAT)
915 const_iv (O_TRUNC) 935 const_iv (O_TRUNC)
928 const_iv (O_SEARCH) 948 const_iv (O_SEARCH)
929 const_iv (O_DIRECTORY) 949 const_iv (O_DIRECTORY)
930 const_iv (O_DSYNC) 950 const_iv (O_DSYNC)
931 const_iv (O_RSYNC) 951 const_iv (O_RSYNC)
932 const_iv (O_SYNC) 952 const_iv (O_SYNC)
953 const_iv (O_PATH)
954 const_iv (O_TMPFILE)
933 const_iv (O_TTY_INIT) 955 const_iv (O_TTY_INIT)
934 956
935 const_iv (S_IFIFO) 957 const_iv (S_IFIFO)
936 const_iv (S_IFCHR) 958 const_iv (S_IFCHR)
937 const_iv (S_IFBLK) 959 const_iv (S_IFBLK)
939 const_iv (S_IFREG) 961 const_iv (S_IFREG)
940 const_iv (S_IFDIR) 962 const_iv (S_IFDIR)
941 const_iv (S_IFWHT) 963 const_iv (S_IFWHT)
942 const_iv (S_IFSOCK) 964 const_iv (S_IFSOCK)
943 const_iv (S_IFMT) 965 const_iv (S_IFMT)
944
945 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
946 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
947 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
948 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
949 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
950 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
951
952 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
953 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
954 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
955 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
956 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
957 966
958 const_iv (ST_RDONLY) 967 const_iv (ST_RDONLY)
959 const_iv (ST_NOSUID) 968 const_iv (ST_NOSUID)
960 const_iv (ST_NODEV) 969 const_iv (ST_NODEV)
961 const_iv (ST_NOEXEC) 970 const_iv (ST_NOEXEC)
971 const_iv (PROT_NONE) 980 const_iv (PROT_NONE)
972 const_iv (PROT_EXEC) 981 const_iv (PROT_EXEC)
973 const_iv (PROT_READ) 982 const_iv (PROT_READ)
974 const_iv (PROT_WRITE) 983 const_iv (PROT_WRITE)
975 984
976 /*const_iv (MAP_FIXED)*/
977 const_iv (MAP_PRIVATE) 985 const_iv (MAP_PRIVATE)
978 const_iv (MAP_SHARED) 986 const_iv (MAP_SHARED)
987 const_iv (MAP_FIXED)
979 const_iv (MAP_ANONYMOUS) 988 const_iv (MAP_ANONYMOUS)
980 989
981 /* linuxish */ 990 /* linuxish */
982 const_iv (MAP_HUGETLB)
983 const_iv (MAP_LOCKED) 991 const_iv (MAP_LOCKED)
984 const_iv (MAP_NORESERVE) 992 const_iv (MAP_NORESERVE)
985 const_iv (MAP_POPULATE) 993 const_iv (MAP_POPULATE)
986 const_iv (MAP_NONBLOCK) 994 const_iv (MAP_NONBLOCK)
995 const_iv (MAP_GROWSDOWN)
996 const_iv (MAP_32BIT)
997 const_iv (MAP_HUGETLB)
998 const_iv (MAP_STACK)
999
1000 const_iv (F_DUPFD_CLOEXEC)
1001
1002 const_iv (F_OFD_GETLK)
1003 const_iv (F_OFD_SETLK)
1004 const_iv (F_OFD_GETLKW)
1005
1006 const_iv (FIFREEZE)
1007 const_iv (FITHAW)
1008 const_iv (FITRIM)
1009 const_iv (FICLONE)
1010 const_iv (FICLONERANGE)
1011 const_iv (FIDEDUPERANGE)
1012
1013 const_iv (FS_IOC_GETFLAGS)
1014 const_iv (FS_IOC_SETFLAGS)
1015 const_iv (FS_IOC_GETVERSION)
1016 const_iv (FS_IOC_SETVERSION)
1017 const_iv (FS_IOC_FIEMAP)
1018 const_iv (FS_IOC_FSGETXATTR)
1019 const_iv (FS_IOC_FSSETXATTR)
1020 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1021 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1022 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1023
1024 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1025
1026 const_iv (FS_SECRM_FL)
1027 const_iv (FS_UNRM_FL)
1028 const_iv (FS_COMPR_FL)
1029 const_iv (FS_SYNC_FL)
1030 const_iv (FS_IMMUTABLE_FL)
1031 const_iv (FS_APPEND_FL)
1032 const_iv (FS_NODUMP_FL)
1033 const_iv (FS_NOATIME_FL)
1034 const_iv (FS_DIRTY_FL)
1035 const_iv (FS_COMPRBLK_FL)
1036 const_iv (FS_NOCOMP_FL)
1037 const_iv (FS_ENCRYPT_FL)
1038 const_iv (FS_BTREE_FL)
1039 const_iv (FS_INDEX_FL)
1040 const_iv (FS_JOURNAL_DATA_FL)
1041 const_iv (FS_NOTAIL_FL)
1042 const_iv (FS_DIRSYNC_FL)
1043 const_iv (FS_TOPDIR_FL)
1044 const_iv (FS_FL_USER_MODIFIABLE)
1045
1046 const_iv (FS_XFLAG_REALTIME)
1047 const_iv (FS_XFLAG_PREALLOC)
1048 const_iv (FS_XFLAG_IMMUTABLE)
1049 const_iv (FS_XFLAG_APPEND)
1050 const_iv (FS_XFLAG_SYNC)
1051 const_iv (FS_XFLAG_NOATIME)
1052 const_iv (FS_XFLAG_NODUMP)
1053 const_iv (FS_XFLAG_RTINHERIT)
1054 const_iv (FS_XFLAG_PROJINHERIT)
1055 const_iv (FS_XFLAG_NOSYMLINKS)
1056 const_iv (FS_XFLAG_EXTSIZE)
1057 const_iv (FS_XFLAG_EXTSZINHERIT)
1058 const_iv (FS_XFLAG_NODEFRAG)
1059 const_iv (FS_XFLAG_FILESTREAM)
1060 const_iv (FS_XFLAG_DAX)
1061 const_iv (FS_XFLAG_HASATTR)
987 1062
988 const_iv (FIEMAP_FLAG_SYNC) 1063 const_iv (FIEMAP_FLAG_SYNC)
989 const_iv (FIEMAP_FLAG_XATTR) 1064 const_iv (FIEMAP_FLAG_XATTR)
990 const_iv (FIEMAP_FLAGS_COMPAT) 1065 const_iv (FIEMAP_FLAGS_COMPAT)
991 const_iv (FIEMAP_EXTENT_LAST) 1066 const_iv (FIEMAP_EXTENT_LAST)
1003 const_iv (SPLICE_F_MOVE) 1078 const_iv (SPLICE_F_MOVE)
1004 const_iv (SPLICE_F_NONBLOCK) 1079 const_iv (SPLICE_F_NONBLOCK)
1005 const_iv (SPLICE_F_MORE) 1080 const_iv (SPLICE_F_MORE)
1006 const_iv (SPLICE_F_GIFT) 1081 const_iv (SPLICE_F_GIFT)
1007 1082
1008 const_iv (SEEK_DATA) 1083 /* these are libeio constants, and are independent of gendef0 */
1009 const_iv (SEEK_HOLE)
1010
1011 /* libeio constants */
1012 const_eio (SEEK_SET) 1084 const_eio (SEEK_SET)
1013 const_eio (SEEK_CUR) 1085 const_eio (SEEK_CUR)
1014 const_eio (SEEK_END) 1086 const_eio (SEEK_END)
1015 1087
1016 const_eio (MCL_FUTURE) 1088 const_eio (MCL_FUTURE)
1026 const_eio (SYNC_FILE_RANGE_WRITE) 1098 const_eio (SYNC_FILE_RANGE_WRITE)
1027 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1099 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1028 1100
1029 const_eio (FALLOC_FL_KEEP_SIZE) 1101 const_eio (FALLOC_FL_KEEP_SIZE)
1030 const_eio (FALLOC_FL_PUNCH_HOLE) 1102 const_eio (FALLOC_FL_PUNCH_HOLE)
1103 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1104 const_eio (FALLOC_FL_ZERO_RANGE)
1105 const_eio (FALLOC_FL_INSET_RANGE)
1106 const_eio (FALLOC_FL_UNSHARE_RANGE)
1107
1108 const_eio (RENAME_NOREPLACE)
1109 const_eio (RENAME_EXCHANGE)
1110 const_eio (RENAME_WHITEOUT)
1031 1111
1032 const_eio (READDIR_DENTS) 1112 const_eio (READDIR_DENTS)
1033 const_eio (READDIR_DIRS_FIRST) 1113 const_eio (READDIR_DIRS_FIRST)
1034 const_eio (READDIR_STAT_ORDER) 1114 const_eio (READDIR_STAT_ORDER)
1035 const_eio (READDIR_FOUND_UNKNOWN) 1115 const_eio (READDIR_FOUND_UNKNOWN)
1103 PROTOTYPE: $ 1183 PROTOTYPE: $
1104 CODE: 1184 CODE:
1105 max_outstanding = maxreqs; 1185 max_outstanding = maxreqs;
1106 1186
1107void 1187void
1108aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef) 1188aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
1109 PPCODE: 1189 PPCODE:
1110{ 1190{
1111 dREQ; 1191 dREQ;
1112 1192
1113 req->type = EIO_WD_OPEN; 1193 req->type = EIO_WD_OPEN;
1115 1195
1116 REQ_SEND; 1196 REQ_SEND;
1117} 1197}
1118 1198
1119void 1199void
1120aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1200aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1121 PPCODE: 1201 PPCODE:
1122{ 1202{
1123 dREQ; 1203 dREQ;
1124 1204
1125 req->type = EIO_OPEN; 1205 req->type = EIO_OPEN;
1129 1209
1130 REQ_SEND; 1210 REQ_SEND;
1131} 1211}
1132 1212
1133void 1213void
1134aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1214aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
1135 ALIAS: 1215 ALIAS:
1136 aio_fsync = EIO_FSYNC 1216 aio_fsync = EIO_FSYNC
1137 aio_fdatasync = EIO_FDATASYNC 1217 aio_fdatasync = EIO_FDATASYNC
1138 aio_syncfs = EIO_SYNCFS 1218 aio_syncfs = EIO_SYNCFS
1139 PPCODE: 1219 PPCODE:
1147 1227
1148 REQ_SEND; 1228 REQ_SEND;
1149} 1229}
1150 1230
1151void 1231void
1152aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1232aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
1153 PPCODE: 1233 PPCODE:
1154{ 1234{
1155 int fd = s_fileno_croak (fh, 0); 1235 int fd = s_fileno_croak (fh, 0);
1156 dREQ; 1236 dREQ;
1157 1237
1164 1244
1165 REQ_SEND; 1245 REQ_SEND;
1166} 1246}
1167 1247
1168void 1248void
1169aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef) 1249aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
1170 PPCODE: 1250 PPCODE:
1171{ 1251{
1172 int fd = s_fileno_croak (fh, 0); 1252 int fd = s_fileno_croak (fh, 0);
1173 dREQ; 1253 dREQ;
1174 1254
1181 1261
1182 REQ_SEND; 1262 REQ_SEND;
1183} 1263}
1184 1264
1185void 1265void
1186aio_close (SV *fh, SV *callback=&PL_sv_undef) 1266aio_close (SV *fh, SV *callback = &PL_sv_undef)
1187 PPCODE: 1267 PPCODE:
1188{ 1268{
1189 static int close_fd = -1; /* dummy fd to close fds via dup2 */ 1269 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1190 int fd = s_fileno_croak (fh, 0); 1270 int fd = s_fileno_croak (fh, 0);
1191 dREQ; 1271 dREQ;
1215 1295
1216 REQ_SEND; 1296 REQ_SEND;
1217} 1297}
1218 1298
1219void 1299void
1220aio_seek (SV *fh, SV *offset, int whence, SV *callback=&PL_sv_undef) 1300aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1221 PPCODE: 1301 PPCODE:
1222{ 1302{
1223 int fd = s_fileno_croak (fh, 0); 1303 int fd = s_fileno_croak (fh, 0);
1224 dREQ; 1304 dREQ;
1225 1305
1231 1311
1232 REQ_SEND; 1312 REQ_SEND;
1233} 1313}
1234 1314
1235void 1315void
1236aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1316aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
1237 ALIAS: 1317 ALIAS:
1238 aio_read = EIO_READ 1318 aio_read = EIO_READ
1239 aio_write = EIO_WRITE 1319 aio_write = EIO_WRITE
1240 PPCODE: 1320 PPCODE:
1241{ 1321{
1257 len = svlen - dataoffset; 1337 len = svlen - dataoffset;
1258 } 1338 }
1259 else 1339 else
1260 { 1340 {
1261 /* read: check type and grow scalar as necessary */ 1341 /* read: check type and grow scalar as necessary */
1262 SvUPGRADE (data, SVt_PV);
1263 if (SvLEN (data) >= SvCUR (data)) 1342 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1264 svptr = SvGROW (data, len + dataoffset + 1); 1343 svptr = sv_grow (data, len + dataoffset + 1);
1265 else if (SvCUR (data) < len + dataoffset) 1344 else if (SvCUR (data) < len + dataoffset)
1266 croak ("length + dataoffset outside of scalar, and cannot grow"); 1345 croak ("length + dataoffset outside of scalar, and cannot grow");
1267 } 1346 }
1268 1347
1269 { 1348 {
1287 REQ_SEND; 1366 REQ_SEND;
1288 } 1367 }
1289} 1368}
1290 1369
1291void 1370void
1371aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
1372 ALIAS:
1373 aio_ioctl = EIO_IOCTL
1374 aio_fcntl = EIO_FCNTL
1375 PPCODE:
1376{
1377 int fd = s_fileno_croak (fh, 0);
1378 char *svptr;
1379
1380 if (SvPOK (arg) || !SvNIOK (arg))
1381 {
1382 STRLEN svlen;
1383 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1384#ifdef IOCPARM_LEN
1385 STRLEN need = IOCPARM_LEN (request);
1386#else
1387 STRLEN need = 256;
1388#endif
1389
1390 if (svlen < need)
1391 svptr = SvGROW (arg, need);
1392 }
1393 else
1394 svptr = (char *)SvIV (arg);
1395
1396 {
1397 dREQ;
1398
1399 req->type = ix;
1400 req->sv1 = newSVsv (fh);
1401 req->int1 = fd;
1402 req->int2 = (long)request;
1403 req->sv2 = SvREFCNT_inc (arg);
1404 req->ptr2 = svptr;
1405
1406 REQ_SEND;
1407 }
1408}
1409
1410void
1292aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1411aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1293 ALIAS: 1412 ALIAS:
1294 aio_readlink = EIO_READLINK 1413 aio_readlink = EIO_READLINK
1295 aio_realpath = EIO_REALPATH 1414 aio_realpath = EIO_REALPATH
1296 PPCODE: 1415 PPCODE:
1297{ 1416{
1302 1421
1303 REQ_SEND; 1422 REQ_SEND;
1304} 1423}
1305 1424
1306void 1425void
1307aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1426aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1308 PPCODE: 1427 PPCODE:
1309{ 1428{
1310 int ifd = s_fileno_croak (in_fh , 0); 1429 int ifd = s_fileno_croak (in_fh , 0);
1311 int ofd = s_fileno_croak (out_fh, 1); 1430 int ofd = s_fileno_croak (out_fh, 1);
1312 dREQ; 1431 dREQ;
1321 1440
1322 REQ_SEND; 1441 REQ_SEND;
1323} 1442}
1324 1443
1325void 1444void
1326aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1445aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1327 PPCODE: 1446 PPCODE:
1328{ 1447{
1329 int fd = s_fileno_croak (fh, 0); 1448 int fd = s_fileno_croak (fh, 0);
1330 dREQ; 1449 dREQ;
1331 1450
1337 1456
1338 REQ_SEND; 1457 REQ_SEND;
1339} 1458}
1340 1459
1341void 1460void
1342aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1461aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1343 ALIAS: 1462 ALIAS:
1344 aio_stat = EIO_STAT 1463 aio_stat = EIO_STAT
1345 aio_lstat = EIO_LSTAT 1464 aio_lstat = EIO_LSTAT
1346 aio_statvfs = EIO_STATVFS 1465 aio_statvfs = EIO_STATVFS
1347 PPCODE: 1466 PPCODE:
1356UV 1475UV
1357major (UV dev) 1476major (UV dev)
1358 ALIAS: 1477 ALIAS:
1359 minor = 1 1478 minor = 1
1360 CODE: 1479 CODE:
1361 RETVAL = ix ? major (dev) : minor (dev); 1480 RETVAL = ix ? minor (dev) : major (dev);
1362 OUTPUT: 1481 OUTPUT:
1363 RETVAL 1482 RETVAL
1364 1483
1365UV 1484UV
1366makedev (UV maj, UV min) 1485makedev (UV maj, UV min)
1368 RETVAL = makedev (maj, min); 1487 RETVAL = makedev (maj, min);
1369 OUTPUT: 1488 OUTPUT:
1370 RETVAL 1489 RETVAL
1371 1490
1372void 1491void
1373aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1492aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1374 PPCODE: 1493 PPCODE:
1375{ 1494{
1376 dREQ; 1495 dREQ;
1377 1496
1378 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1497 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1381 1500
1382 REQ_SEND; 1501 REQ_SEND;
1383} 1502}
1384 1503
1385void 1504void
1386aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1505aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1387 PPCODE: 1506 PPCODE:
1388{ 1507{
1389 dREQ; 1508 dREQ;
1390 1509
1391 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1510 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1393 1512
1394 REQ_SEND; 1513 REQ_SEND;
1395} 1514}
1396 1515
1397void 1516void
1398aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1517aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1399 PPCODE: 1518 PPCODE:
1400{ 1519{
1401 dREQ; 1520 dREQ;
1402 1521
1403 req->int2 = mode; 1522 req->int2 = mode;
1405 1524
1406 REQ_SEND; 1525 REQ_SEND;
1407} 1526}
1408 1527
1409void 1528void
1410aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1529aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1411 PPCODE: 1530 PPCODE:
1412{ 1531{
1413 dREQ; 1532 dREQ;
1414 1533
1415 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1534 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1418 1537
1419 REQ_SEND; 1538 REQ_SEND;
1420} 1539}
1421 1540
1422void 1541void
1423aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1542aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1424 PPCODE: 1543 PPCODE:
1425{ 1544{
1426 dREQ; 1545 dREQ;
1427 1546
1428 req->type = EIO_READDIR; 1547 req->type = EIO_READDIR;
1435 1554
1436 REQ_SEND; 1555 REQ_SEND;
1437} 1556}
1438 1557
1439void 1558void
1440aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef) 1559aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1441 PPCODE: 1560 PPCODE:
1442{ 1561{
1443 dREQ; 1562 dREQ;
1444 1563
1445 req->type = EIO_MKDIR; 1564 req->type = EIO_MKDIR;
1448 1567
1449 REQ_SEND; 1568 REQ_SEND;
1450} 1569}
1451 1570
1452void 1571void
1453aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1572aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1454 ALIAS: 1573 ALIAS:
1455 aio_unlink = EIO_UNLINK 1574 aio_unlink = EIO_UNLINK
1456 aio_rmdir = EIO_RMDIR 1575 aio_rmdir = EIO_RMDIR
1457 aio_readdir = EIO_READDIR 1576 aio_readdir = EIO_READDIR
1458 PPCODE: 1577 PPCODE:
1464 1583
1465 REQ_SEND; 1584 REQ_SEND;
1466} 1585}
1467 1586
1468void 1587void
1469aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1588aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1470 ALIAS: 1589 ALIAS:
1471 aio_link = EIO_LINK 1590 aio_link = EIO_LINK
1472 aio_symlink = EIO_SYMLINK 1591 aio_symlink = EIO_SYMLINK
1473 aio_rename = EIO_RENAME 1592 aio_rename = EIO_RENAME
1474 PPCODE: 1593 PPCODE:
1483 1602
1484 REQ_SEND; 1603 REQ_SEND;
1485} 1604}
1486 1605
1487void 1606void
1607aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
1608 PPCODE:
1609{
1610 eio_wd wd2 = 0;
1611 dREQ;
1612
1613 req->type = EIO_RENAME;
1614 req_set_path1 (req, oldpath);
1615 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1616 req->int2 = flags;
1617 req->int3 = (long)wd2;
1618
1619 REQ_SEND;
1620}
1621
1622void
1488aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 1623aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1489 PPCODE: 1624 PPCODE:
1490{ 1625{
1491 dREQ; 1626 dREQ;
1492 1627
1493 req->type = EIO_MKNOD; 1628 req->type = EIO_MKNOD;
1497 1632
1498 REQ_SEND; 1633 REQ_SEND;
1499} 1634}
1500 1635
1501void 1636void
1502aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1637aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1503 ALIAS: 1638 ALIAS:
1504 aio_mtouch = EIO_MTOUCH 1639 aio_mtouch = EIO_MTOUCH
1505 aio_msync = EIO_MSYNC 1640 aio_msync = EIO_MSYNC
1506 PPCODE: 1641 PPCODE:
1507{ 1642{
1508 STRLEN svlen; 1643 STRLEN svlen;
1509 char *svptr = SvPVbyte (data, svlen); 1644 char *svptr = SvPVbyte (data, svlen);
1510 UV len = SvUV (length); 1645 UV len = SvUV (length);
1646
1647 if (flags < 0)
1648 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1511 1649
1512 if (offset < 0) 1650 if (offset < 0)
1513 offset += svlen; 1651 offset += svlen;
1514 1652
1515 if (offset < 0 || offset > svlen) 1653 if (offset < 0 || offset > svlen)
1530 REQ_SEND; 1668 REQ_SEND;
1531 } 1669 }
1532} 1670}
1533 1671
1534void 1672void
1535aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef) 1673aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1536 PPCODE: 1674 PPCODE:
1537{ 1675{
1538 STRLEN svlen; 1676 STRLEN svlen;
1539 char *svptr = SvPVbyte (data, svlen); 1677 char *svptr = SvPVbyte (data, svlen);
1540 UV len = SvUV (length); 1678 UV len = SvUV (length);
1559 REQ_SEND; 1697 REQ_SEND;
1560 } 1698 }
1561} 1699}
1562 1700
1563void 1701void
1564aio_mlockall (IV flags, SV *callback=&PL_sv_undef) 1702aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1565 PPCODE: 1703 PPCODE:
1566{ 1704{
1567 dREQ; 1705 dREQ;
1568 1706
1569 req->type = EIO_MLOCKALL; 1707 req->type = EIO_MLOCKALL;
1571 1709
1572 REQ_SEND; 1710 REQ_SEND;
1573} 1711}
1574 1712
1575void 1713void
1576aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback=&PL_sv_undef) 1714aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
1577 PPCODE: 1715 PPCODE:
1578{ 1716{
1579 int fd = s_fileno_croak (fh, 0); 1717 int fd = s_fileno_croak (fh, 0);
1580 dREQ; 1718 dREQ;
1581 1719
1594 1732
1595 REQ_SEND; 1733 REQ_SEND;
1596} 1734}
1597 1735
1598void 1736void
1599aio_busy (double delay, SV *callback=&PL_sv_undef) 1737aio_busy (double delay, SV *callback = &PL_sv_undef)
1600 PPCODE: 1738 PPCODE:
1601{ 1739{
1602 dREQ; 1740 dREQ;
1603 1741
1604 req->type = EIO_BUSY; 1742 req->type = EIO_BUSY;
1606 1744
1607 REQ_SEND; 1745 REQ_SEND;
1608} 1746}
1609 1747
1610void 1748void
1611aio_group (SV *callback=&PL_sv_undef) 1749aio_group (SV *callback = &PL_sv_undef)
1612 PPCODE: 1750 PPCODE:
1613{ 1751{
1614 dREQ; 1752 dREQ;
1615 1753
1616 req->type = EIO_GROUP; 1754 req->type = EIO_GROUP;
1617 1755
1756 PUTBACK;
1618 req_submit (req); 1757 req_submit (req);
1758 SPAGAIN;
1759
1619 XPUSHs (req_sv (req, aio_grp_stash)); 1760 XPUSHs (req_sv (req, aio_grp_stash));
1620} 1761}
1621 1762
1622void 1763void
1623aio_nop (SV *callback=&PL_sv_undef) 1764aio_nop (SV *callback = &PL_sv_undef)
1624 ALIAS: 1765 ALIAS:
1625 aio_nop = EIO_NOP 1766 aio_nop = EIO_NOP
1626 aio_sync = EIO_SYNC 1767 aio_sync = EIO_SYNC
1627 PPCODE: 1768 PPCODE:
1628{ 1769{
1632 1773
1633 REQ_SEND; 1774 REQ_SEND;
1634} 1775}
1635 1776
1636int 1777int
1637aioreq_pri (int pri = 0) 1778aioreq_pri (int pri = NO_INIT)
1638 CODE: 1779 CODE:
1639 RETVAL = next_pri; 1780 RETVAL = next_pri;
1640 if (items > 0) 1781 if (items > 0)
1641 { 1782 {
1642 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1783 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
1732 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 1873 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1733 OUTPUT: 1874 OUTPUT:
1734 RETVAL 1875 RETVAL
1735 1876
1736void 1877void
1737mmap (SV *scalar, size_t length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0) 1878mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1738 PPCODE: 1879 PPCODE:
1739 sv_unmagic (scalar, MMAP_MAGIC); 1880 sv_unmagic (scalar, MMAP_MAGIC);
1740{ 1881{
1741 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 1882 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1742 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 1883 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1769munmap (SV *scalar) 1910munmap (SV *scalar)
1770 CODE: 1911 CODE:
1771 sv_unmagic (scalar, MMAP_MAGIC); 1912 sv_unmagic (scalar, MMAP_MAGIC);
1772 1913
1773int 1914int
1774madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) 1915madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1775 ALIAS: 1916 ALIAS:
1776 mprotect = 1 1917 mprotect = 1
1777 CODE: 1918 CODE:
1778{ 1919{
1779 STRLEN svlen; 1920 STRLEN svlen;
1780 void *addr = SvPVbyte (scalar, svlen); 1921 void *addr = SvPVbyte (scalar, svlen);
1781 size_t len = SvUV (length); 1922 STRLEN len = SvUV (length);
1782 1923
1783 if (offset < 0) 1924 if (offset < 0)
1784 offset += svlen; 1925 offset += svlen;
1785 1926
1786 if (offset < 0 || offset > svlen) 1927 if (offset < 0 || offset > svlen)
1800} 1941}
1801 OUTPUT: 1942 OUTPUT:
1802 RETVAL 1943 RETVAL
1803 1944
1804int 1945int
1805munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) 1946munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
1806 CODE: 1947 CODE:
1807{ 1948{
1808 STRLEN svlen; 1949 STRLEN svlen;
1809 void *addr = SvPVbyte (scalar, svlen); 1950 void *addr = SvPVbyte (scalar, svlen);
1810 size_t len = SvUV (length); 1951 size_t len = SvUV (length);
1866#else 2007#else
1867 RETVAL = EIO_ENOSYS (); 2008 RETVAL = EIO_ENOSYS ();
1868#endif 2009#endif
1869 OUTPUT: 2010 OUTPUT:
1870 RETVAL 2011 RETVAL
2012
2013int
2014pipesize (aio_rfd rfh, int new_size = -1)
2015 PROTOTYPE: $;$
2016 CODE:
2017#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
2018 if (new_size >= 0)
2019 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
2020 else
2021 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
2022#else
2023 errno = ENOSYS;
2024 RETVAL = -1;
2025#endif
2026 OUTPUT:
2027 RETVAL
2028
2029void
2030pipe2 (int flags = 0)
2031 PROTOTYPE: ;$
2032 PPCODE:
2033{
2034 int fd[2];
2035 int res;
2036
2037 if (flags)
2038#if HAVE_PIPE2
2039 res = pipe2 (fd, flags);
2040#else
2041 res = (errno = ENOSYS, -1);
2042#endif
2043 else
2044 res = pipe (fd);
2045
2046 if (!res)
2047 {
2048 EXTEND (SP, 2);
2049 PUSHs (newmortalFH (fd[0], O_RDONLY));
2050 PUSHs (newmortalFH (fd[1], O_WRONLY));
2051 }
2052}
1871 2053
1872void _on_next_submit (SV *cb) 2054void _on_next_submit (SV *cb)
1873 CODE: 2055 CODE:
1874 SvREFCNT_dec (on_next_submit); 2056 SvREFCNT_dec (on_next_submit);
1875 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2057 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1910cancel (aio_req_ornot req) 2092cancel (aio_req_ornot req)
1911 CODE: 2093 CODE:
1912 eio_cancel (req); 2094 eio_cancel (req);
1913 2095
1914void 2096void
1915cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2097cb (aio_req_ornot req, SV *callback = NO_INIT)
1916 PPCODE: 2098 PPCODE:
1917{ 2099{
1918 if (GIMME_V != G_VOID) 2100 if (GIMME_V != G_VOID)
1919 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 2101 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1920 2102
1921 if (items > 1) 2103 if (items > 1)
1922 { 2104 {
1923 SV *cb_cv =get_cb (callback); 2105 SV *cb_cv = get_cb (callback);
1924 2106
1925 SvREFCNT_dec (req->callback); 2107 SvREFCNT_dec (req->callback);
1926 req->callback = SvREFCNT_inc (cb_cv); 2108 req->callback = SvREFCNT_inc (cb_cv);
1927 } 2109 }
1928} 2110}
1985limit (aio_req grp, int limit) 2167limit (aio_req grp, int limit)
1986 CODE: 2168 CODE:
1987 eio_grp_limit (grp, limit); 2169 eio_grp_limit (grp, limit);
1988 2170
1989void 2171void
1990feed (aio_req grp, SV *callback=&PL_sv_undef) 2172feed (aio_req grp, SV *callback = &PL_sv_undef)
1991 CODE: 2173 CODE:
1992{ 2174{
1993 SvREFCNT_dec (grp->sv2); 2175 SvREFCNT_dec (grp->sv2);
1994 grp->sv2 = newSVsv (callback); 2176 grp->sv2 = newSVsv (callback);
1995 grp->feed = aio_grp_feed; 2177 grp->feed = aio_grp_feed;

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