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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.227 by root, Sat Sep 7 23:18:23 2013 UTC vs.
Revision 1.251 by root, Sat Jan 6 01:04:42 2018 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
99#define expect_false(expr) expect ((expr) != 0, 0) 104#define expect_false(expr) expect ((expr) != 0, 0)
100#define expect_true(expr) expect ((expr) != 0, 1) 105#define expect_true(expr) expect ((expr) != 0, 1)
101 106
102/*****************************************************************************/ 107/*****************************************************************************/
103 108
109#include "libeio/config.h"
110
111#if HAVE_RLIMITS
112 #include <sys/time.h>
113 #include <sys/resource.h>
114#endif
115
104typedef SV SV8; /* byte-sv, used for argument-checking */ 116typedef SV SV8; /* byte-sv, used for argument-checking */
105typedef int aio_rfd; /* read file desriptor */ 117typedef int aio_rfd; /* read file desriptor */
106typedef int aio_wfd; /* write file descriptor */ 118typedef int aio_wfd; /* write file descriptor */
107 119
108static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash; 120static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
114 STRLEN stroffset; \ 126 STRLEN stroffset; \
115 SV *self; 127 SV *self;
116 128
117#define EIO_NO_WRAPPERS 1 129#define EIO_NO_WRAPPERS 1
118 130
119#include "libeio/config.h"
120#include "libeio/eio.h" 131#include "libeio/eio.h"
121 132
122static int req_invoke (eio_req *req); 133static int req_invoke (eio_req *req);
123#define EIO_FINISH(req) req_invoke (req) 134#define EIO_FINISH(req) req_invoke (req)
124static void req_destroy (eio_req *grp); 135static void req_destroy (eio_req *grp);
141# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 152# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
142# endif 153# endif
143#endif 154#endif
144 155
145/* defines all sorts of constants to 0 unless they are already defined */ 156/* defines all sorts of constants to 0 unless they are already defined */
157/* also provides const_iv_ and const_niv_ macros for them */
146#include "def0.h" 158#include "def0.h"
147 159
148#ifndef makedev 160#ifndef makedev
149# define makedev(maj,min) (((maj) << 8) | (min)) 161# define makedev(maj,min) (((maj) << 8) | (min))
150#endif 162#endif
156#endif 168#endif
157 169
158#if PAGESIZE <= 0 170#if PAGESIZE <= 0
159# define PAGESIZE sysconf (_SC_PAGESIZE) 171# define PAGESIZE sysconf (_SC_PAGESIZE)
160#endif 172#endif
173
174/*****************************************************************************/
175
176#if !_POSIX_MAPPED_FILES
177# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
178# define munmap(addr,length) EIO_ENOSYS ()
179#endif
180
181#if !_POSIX_MEMORY_PROTECTION
182# define mprotect(addr,len,prot) EIO_ENOSYS ()
183#endif
184
185#define FOREIGN_MAGIC PERL_MAGIC_ext
186
187static int ecb_cold
188mmap_free (pTHX_ SV *sv, MAGIC *mg)
189{
190 int old_errno = errno;
191 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
192 errno = old_errno;
193
194 mg->mg_obj = 0; /* just in case */
195
196 SvREADONLY_off (sv);
197
198 if (SvPVX (sv) != mg->mg_ptr)
199 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
200
201 SvCUR_set (sv, 0);
202 SvPVX (sv) = 0;
203 SvOK_off (sv);
204
205 return 0;
206}
207
208static MGVTBL mmap_vtbl = {
209 0, 0, 0, 0, mmap_free
210};
211
212static int ecb_cold
213sysfree_free (pTHX_ SV *sv, MAGIC *mg)
214{
215 free (mg->mg_ptr);
216 mg->mg_obj = 0; /* just in case */
217
218 SvREADONLY_off (sv);
219
220 if (SvPVX (sv) != mg->mg_ptr)
221 croak ("ERROR: IO::AIO mapped scalar changed location, detected");
222
223 SvCUR_set (sv, 0);
224 SvPVX (sv) = 0;
225 SvOK_off (sv);
226
227 return 0;
228}
229
230static MGVTBL sysfree_vtbl = {
231 0, 0, 0, 0, sysfree_free
232};
233
234/*****************************************************************************/
235
236/* helper: set scalar to foreign ptr with custom free */
237static void
238sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
239{
240 sv_force_normal (sv);
241
242 /* we store the length in mg_obj, as namlen is I32 :/ */
243 sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
244 ->mg_obj = (SV *)length;
245
246 SvUPGRADE (sv, SVt_PV); /* nop... */
247
248 if (SvLEN (sv))
249 Safefree (SvPVX (sv));
250
251 SvPVX (sv) = (char *)addr;
252 SvCUR_set (sv, length);
253 SvLEN_set (sv, 0);
254 SvPOK_only (sv);
255}
256
257static void
258sv_clear_foreign (SV *sv)
259{
260 /* todo: iterate over magic and only free ours, but of course */
261 /* the perl5porters will call that (correct) behaviour buggy */
262 sv_unmagic (sv, FOREIGN_MAGIC);
263}
161 264
162/*****************************************************************************/ 265/*****************************************************************************/
163 266
164static void 267static void
165fiemap (eio_req *req) 268fiemap (eio_req *req)
304} 407}
305 408
306static SV * 409static SV *
307newSVaio_wd (aio_wd wd) 410newSVaio_wd (aio_wd wd)
308{ 411{
309 return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash); 412 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
310} 413}
311 414
312static aio_req 415static aio_req
313SvAIO_REQ (SV *sv) 416SvAIO_REQ (SV *sv)
314{ 417{
333 || SvTYPE (SvRV (sv)) != SVt_PVMG 436 || SvTYPE (SvRV (sv)) != SVt_PVMG
334 || SvSTASH (SvRV (sv)) != aio_wd_stash) 437 || SvSTASH (SvRV (sv)) != aio_wd_stash)
335 croak ("IO::AIO: expected a working directory object as returned by aio_wd"); 438 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
336 439
337 return (aio_wd)(long)SvIVX (SvRV (sv)); 440 return (aio_wd)(long)SvIVX (SvRV (sv));
441}
442
443static SV *
444newmortalFH (int fd, int flags)
445{
446 if (fd < 0)
447 return &PL_sv_undef;
448
449 GV *gv = (GV *)sv_newmortal ();
450 char sym[64];
451 int symlen;
452
453 symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
454 gv_init (gv, aio_stash, sym, symlen, 0);
455
456 symlen = snprintf (
457 sym,
458 sizeof (sym),
459 "%s&=%d",
460 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
461 fd
462 );
463
464 return do_open (gv, sym, symlen, 0, 0, 0, 0)
465 ? (SV *)gv : &PL_sv_undef;
338} 466}
339 467
340static void 468static void
341aio_grp_feed (aio_req grp) 469aio_grp_feed (aio_req grp)
342{ 470{
470 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); 598 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
471 } 599 }
472 break; 600 break;
473 601
474 case EIO_OPEN: 602 case EIO_OPEN:
475 { 603 PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
476 /* convert fd to fh */
477 SV *fh = &PL_sv_undef;
478
479 if (req->result >= 0)
480 {
481 GV *gv = (GV *)sv_newmortal ();
482 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
483 char sym [64];
484 int symlen;
485
486 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
487 gv_init (gv, aio_stash, sym, symlen, 0);
488
489 symlen = snprintf (
490 sym,
491 sizeof (sym),
492 "%s&=%d",
493 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
494 (int)req->result
495 );
496
497 if (do_open (gv, sym, symlen, 0, 0, 0, 0))
498 fh = (SV *)gv;
499 }
500
501 PUSHs (fh);
502 }
503 break; 604 break;
504 605
505 case EIO_STATVFS: 606 case EIO_STATVFS:
506 case EIO_FSTATVFS: 607 case EIO_FSTATVFS:
507 { 608 {
587 SvSETMAGIC (req->sv2); 688 SvSETMAGIC (req->sv2);
588 PUSHs (sv_result); 689 PUSHs (sv_result);
589 } 690 }
590 break; 691 break;
591 692
693 case EIO_SLURP:
694 {
695 if (req->result >= 0)
696 {
697 /* if length was originally not known, we steal the malloc'ed memory */
698 if (req->flags & EIO_FLAG_PTR2_FREE)
699 {
700 req->flags &= ~EIO_FLAG_PTR2_FREE;
701 sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
702 }
703 else
704 SvCUR_set (req->sv2, req->result);
705 }
706
707 PUSHs (sv_result);
708 }
709 break;
710
592 case EIO_CUSTOM: 711 case EIO_CUSTOM:
593 if (req->feed == fiemap) 712 if (req->feed == fiemap)
594 { 713 {
595#if HAVE_FIEMAP 714#if HAVE_FIEMAP
596 if (!req->result) 715 if (!req->result)
701{ 820{
702 while (eio_nreqs ()) 821 while (eio_nreqs ())
703 { 822 {
704 int size; 823 int size;
705 824
706 X_LOCK (reslock); 825 X_LOCK (EIO_POOL->reslock);
707 size = res_queue.size; 826 size = EIO_POOL->res_queue.size;
708 X_UNLOCK (reslock); 827 X_UNLOCK (EIO_POOL->reslock);
709 828
710 if (size) 829 if (size)
711 return; 830 return;
712 831
713 etp_maybe_start_thread (); 832 etp_maybe_start_thread (EIO_POOL);
714 833
715 s_epipe_wait (&respipe); 834 s_epipe_wait (&respipe);
716 } 835 }
717} 836}
718 837
739 create_respipe (); 858 create_respipe ();
740 859
741 if (eio_init (want_poll, done_poll) < 0) 860 if (eio_init (want_poll, done_poll) < 0)
742 croak ("IO::AIO: unable to initialise eio library"); 861 croak ("IO::AIO: unable to initialise eio library");
743} 862}
744
745/*****************************************************************************/
746
747#if !_POSIX_MAPPED_FILES
748# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
749# define munmap(addr,length) EIO_ENOSYS ()
750#endif
751
752#if !_POSIX_MEMORY_PROTECTION
753# define mprotect(addr,len,prot) EIO_ENOSYS ()
754# define PROT_NONE 0
755# define PROT_WRITE 0
756# define MAP_PRIVATE 0
757# define MAP_SHARED 0
758# define MAP_FIXED 0
759#endif
760
761#define MMAP_MAGIC PERL_MAGIC_ext
762
763static int ecb_cold
764mmap_free (pTHX_ SV *sv, MAGIC *mg)
765{
766 int old_errno = errno;
767 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
768 errno = old_errno;
769
770 mg->mg_obj = 0; /* just in case */
771
772 SvREADONLY_off (sv);
773
774 if (SvPVX (sv) != mg->mg_ptr)
775 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
776
777 SvCUR_set (sv, 0);
778 SvPVX (sv) = 0;
779 SvOK_off (sv);
780
781 return 0;
782}
783
784static MGVTBL mmap_vtbl = {
785 0, 0, 0, 0, mmap_free
786};
787 863
788/*****************************************************************************/ 864/*****************************************************************************/
789 865
790static SV * 866static SV *
791get_cb (SV *cb_sv) 867get_cb (SV *cb_sv)
903 } *civ, const_iv[] = { 979 } *civ, const_iv[] = {
904# define const_niv(name, value) { # name, (IV) value }, 980# define const_niv(name, value) { # name, (IV) value },
905# define const_iv(name) { # name, (IV) name }, 981# define const_iv(name) { # name, (IV) name },
906# define const_eio(name) { # name, (IV) EIO_ ## name }, 982# define const_eio(name) { # name, (IV) EIO_ ## name },
907 983
908 /* you have to re-run ./gendef0 after adding/Removing any constants here */ 984 /* you have to re-run ./gendef0 after adding/removing any constants here */
909 985 /* the first block can be undef if missing */
910 const_iv (ENOSYS) 986 const_iv (ENOSYS)
911 const_iv (EXDEV) 987 const_iv (EXDEV)
912 const_iv (EBADR) 988 const_iv (EBADR)
913 989
990 /* for lseek */
991 const_iv (SEEK_DATA)
992 const_iv (SEEK_HOLE)
993
994 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
995 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
996 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
997 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
998 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
999 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
1000
1001 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
1002 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
1003 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1004 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1005 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1006
1007 /* the second block will be 0 when missing */
914 const_iv (O_RDONLY) 1008 const_iv (O_RDONLY)
915 const_iv (O_WRONLY) 1009 const_iv (O_WRONLY)
916 const_iv (O_RDWR) 1010 const_iv (O_RDWR)
917 const_iv (O_CREAT) 1011 const_iv (O_CREAT)
918 const_iv (O_TRUNC) 1012 const_iv (O_TRUNC)
931 const_iv (O_SEARCH) 1025 const_iv (O_SEARCH)
932 const_iv (O_DIRECTORY) 1026 const_iv (O_DIRECTORY)
933 const_iv (O_DSYNC) 1027 const_iv (O_DSYNC)
934 const_iv (O_RSYNC) 1028 const_iv (O_RSYNC)
935 const_iv (O_SYNC) 1029 const_iv (O_SYNC)
1030 const_iv (O_PATH)
1031 const_iv (O_TMPFILE)
936 const_iv (O_TTY_INIT) 1032 const_iv (O_TTY_INIT)
937 1033
938 const_iv (S_IFIFO) 1034 const_iv (S_IFIFO)
939 const_iv (S_IFCHR) 1035 const_iv (S_IFCHR)
940 const_iv (S_IFBLK) 1036 const_iv (S_IFBLK)
942 const_iv (S_IFREG) 1038 const_iv (S_IFREG)
943 const_iv (S_IFDIR) 1039 const_iv (S_IFDIR)
944 const_iv (S_IFWHT) 1040 const_iv (S_IFWHT)
945 const_iv (S_IFSOCK) 1041 const_iv (S_IFSOCK)
946 const_iv (S_IFMT) 1042 const_iv (S_IFMT)
947
948 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
949 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
950 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
951 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
952 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
953 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
954
955 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
956 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
957 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
958 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
959 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
960 1043
961 const_iv (ST_RDONLY) 1044 const_iv (ST_RDONLY)
962 const_iv (ST_NOSUID) 1045 const_iv (ST_NOSUID)
963 const_iv (ST_NODEV) 1046 const_iv (ST_NODEV)
964 const_iv (ST_NOEXEC) 1047 const_iv (ST_NOEXEC)
974 const_iv (PROT_NONE) 1057 const_iv (PROT_NONE)
975 const_iv (PROT_EXEC) 1058 const_iv (PROT_EXEC)
976 const_iv (PROT_READ) 1059 const_iv (PROT_READ)
977 const_iv (PROT_WRITE) 1060 const_iv (PROT_WRITE)
978 1061
979 /*const_iv (MAP_FIXED)*/
980 const_iv (MAP_PRIVATE) 1062 const_iv (MAP_PRIVATE)
981 const_iv (MAP_SHARED) 1063 const_iv (MAP_SHARED)
1064 const_iv (MAP_FIXED)
982 const_iv (MAP_ANONYMOUS) 1065 const_iv (MAP_ANONYMOUS)
983 1066
984 /* linuxish */ 1067 /* linuxish */
985 const_iv (MAP_HUGETLB)
986 const_iv (MAP_LOCKED) 1068 const_iv (MAP_LOCKED)
987 const_iv (MAP_NORESERVE) 1069 const_iv (MAP_NORESERVE)
988 const_iv (MAP_POPULATE) 1070 const_iv (MAP_POPULATE)
989 const_iv (MAP_NONBLOCK) 1071 const_iv (MAP_NONBLOCK)
1072 const_iv (MAP_GROWSDOWN)
1073 const_iv (MAP_32BIT)
1074 const_iv (MAP_HUGETLB)
1075 const_iv (MAP_STACK)
1076
1077 const_iv (F_DUPFD_CLOEXEC)
1078
1079 const_iv (F_OFD_GETLK)
1080 const_iv (F_OFD_SETLK)
1081 const_iv (F_OFD_GETLKW)
1082
1083 const_iv (FIFREEZE)
1084 const_iv (FITHAW)
1085 const_iv (FITRIM)
1086 const_iv (FICLONE)
1087 const_iv (FICLONERANGE)
1088 const_iv (FIDEDUPERANGE)
1089
1090 const_iv (FS_IOC_GETFLAGS)
1091 const_iv (FS_IOC_SETFLAGS)
1092 const_iv (FS_IOC_GETVERSION)
1093 const_iv (FS_IOC_SETVERSION)
1094 const_iv (FS_IOC_FIEMAP)
1095 const_iv (FS_IOC_FSGETXATTR)
1096 const_iv (FS_IOC_FSSETXATTR)
1097 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1098 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1099 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1100
1101 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1102
1103 const_iv (FS_SECRM_FL)
1104 const_iv (FS_UNRM_FL)
1105 const_iv (FS_COMPR_FL)
1106 const_iv (FS_SYNC_FL)
1107 const_iv (FS_IMMUTABLE_FL)
1108 const_iv (FS_APPEND_FL)
1109 const_iv (FS_NODUMP_FL)
1110 const_iv (FS_NOATIME_FL)
1111 const_iv (FS_DIRTY_FL)
1112 const_iv (FS_COMPRBLK_FL)
1113 const_iv (FS_NOCOMP_FL)
1114 const_iv (FS_ENCRYPT_FL)
1115 const_iv (FS_BTREE_FL)
1116 const_iv (FS_INDEX_FL)
1117 const_iv (FS_JOURNAL_DATA_FL)
1118 const_iv (FS_NOTAIL_FL)
1119 const_iv (FS_DIRSYNC_FL)
1120 const_iv (FS_TOPDIR_FL)
1121 const_iv (FS_FL_USER_MODIFIABLE)
1122
1123 const_iv (FS_XFLAG_REALTIME)
1124 const_iv (FS_XFLAG_PREALLOC)
1125 const_iv (FS_XFLAG_IMMUTABLE)
1126 const_iv (FS_XFLAG_APPEND)
1127 const_iv (FS_XFLAG_SYNC)
1128 const_iv (FS_XFLAG_NOATIME)
1129 const_iv (FS_XFLAG_NODUMP)
1130 const_iv (FS_XFLAG_RTINHERIT)
1131 const_iv (FS_XFLAG_PROJINHERIT)
1132 const_iv (FS_XFLAG_NOSYMLINKS)
1133 const_iv (FS_XFLAG_EXTSIZE)
1134 const_iv (FS_XFLAG_EXTSZINHERIT)
1135 const_iv (FS_XFLAG_NODEFRAG)
1136 const_iv (FS_XFLAG_FILESTREAM)
1137 const_iv (FS_XFLAG_DAX)
1138 const_iv (FS_XFLAG_HASATTR)
990 1139
991 const_iv (FIEMAP_FLAG_SYNC) 1140 const_iv (FIEMAP_FLAG_SYNC)
992 const_iv (FIEMAP_FLAG_XATTR) 1141 const_iv (FIEMAP_FLAG_XATTR)
993 const_iv (FIEMAP_FLAGS_COMPAT) 1142 const_iv (FIEMAP_FLAGS_COMPAT)
994 const_iv (FIEMAP_EXTENT_LAST) 1143 const_iv (FIEMAP_EXTENT_LAST)
1006 const_iv (SPLICE_F_MOVE) 1155 const_iv (SPLICE_F_MOVE)
1007 const_iv (SPLICE_F_NONBLOCK) 1156 const_iv (SPLICE_F_NONBLOCK)
1008 const_iv (SPLICE_F_MORE) 1157 const_iv (SPLICE_F_MORE)
1009 const_iv (SPLICE_F_GIFT) 1158 const_iv (SPLICE_F_GIFT)
1010 1159
1011 const_iv (SEEK_DATA) 1160 /* these are libeio constants, and are independent of gendef0 */
1012 const_iv (SEEK_HOLE)
1013
1014 /* libeio constants */
1015 const_eio (SEEK_SET) 1161 const_eio (SEEK_SET)
1016 const_eio (SEEK_CUR) 1162 const_eio (SEEK_CUR)
1017 const_eio (SEEK_END) 1163 const_eio (SEEK_END)
1018 1164
1019 const_eio (MCL_FUTURE) 1165 const_eio (MCL_FUTURE)
1029 const_eio (SYNC_FILE_RANGE_WRITE) 1175 const_eio (SYNC_FILE_RANGE_WRITE)
1030 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1176 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1031 1177
1032 const_eio (FALLOC_FL_KEEP_SIZE) 1178 const_eio (FALLOC_FL_KEEP_SIZE)
1033 const_eio (FALLOC_FL_PUNCH_HOLE) 1179 const_eio (FALLOC_FL_PUNCH_HOLE)
1180 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1181 const_eio (FALLOC_FL_ZERO_RANGE)
1182 const_eio (FALLOC_FL_INSERT_RANGE)
1183 const_eio (FALLOC_FL_UNSHARE_RANGE)
1184
1185 const_eio (RENAME_NOREPLACE)
1186 const_eio (RENAME_EXCHANGE)
1187 const_eio (RENAME_WHITEOUT)
1034 1188
1035 const_eio (READDIR_DENTS) 1189 const_eio (READDIR_DENTS)
1036 const_eio (READDIR_DIRS_FIRST) 1190 const_eio (READDIR_DIRS_FIRST)
1037 const_eio (READDIR_STAT_ORDER) 1191 const_eio (READDIR_STAT_ORDER)
1038 const_eio (READDIR_FOUND_UNKNOWN) 1192 const_eio (READDIR_FOUND_UNKNOWN)
1106 PROTOTYPE: $ 1260 PROTOTYPE: $
1107 CODE: 1261 CODE:
1108 max_outstanding = maxreqs; 1262 max_outstanding = maxreqs;
1109 1263
1110void 1264void
1111aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef) 1265aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
1112 PPCODE: 1266 PPCODE:
1113{ 1267{
1114 dREQ; 1268 dREQ;
1115 1269
1116 req->type = EIO_WD_OPEN; 1270 req->type = EIO_WD_OPEN;
1118 1272
1119 REQ_SEND; 1273 REQ_SEND;
1120} 1274}
1121 1275
1122void 1276void
1123aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1277aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1124 PPCODE: 1278 PPCODE:
1125{ 1279{
1126 dREQ; 1280 dREQ;
1127 1281
1128 req->type = EIO_OPEN; 1282 req->type = EIO_OPEN;
1132 1286
1133 REQ_SEND; 1287 REQ_SEND;
1134} 1288}
1135 1289
1136void 1290void
1137aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1291aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
1138 ALIAS: 1292 ALIAS:
1139 aio_fsync = EIO_FSYNC 1293 aio_fsync = EIO_FSYNC
1140 aio_fdatasync = EIO_FDATASYNC 1294 aio_fdatasync = EIO_FDATASYNC
1141 aio_syncfs = EIO_SYNCFS 1295 aio_syncfs = EIO_SYNCFS
1142 PPCODE: 1296 PPCODE:
1150 1304
1151 REQ_SEND; 1305 REQ_SEND;
1152} 1306}
1153 1307
1154void 1308void
1155aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1309aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
1156 PPCODE: 1310 PPCODE:
1157{ 1311{
1158 int fd = s_fileno_croak (fh, 0); 1312 int fd = s_fileno_croak (fh, 0);
1159 dREQ; 1313 dREQ;
1160 1314
1167 1321
1168 REQ_SEND; 1322 REQ_SEND;
1169} 1323}
1170 1324
1171void 1325void
1172aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef) 1326aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
1173 PPCODE: 1327 PPCODE:
1174{ 1328{
1175 int fd = s_fileno_croak (fh, 0); 1329 int fd = s_fileno_croak (fh, 0);
1176 dREQ; 1330 dREQ;
1177 1331
1184 1338
1185 REQ_SEND; 1339 REQ_SEND;
1186} 1340}
1187 1341
1188void 1342void
1189aio_close (SV *fh, SV *callback=&PL_sv_undef) 1343aio_close (SV *fh, SV *callback = &PL_sv_undef)
1190 PPCODE: 1344 PPCODE:
1191{ 1345{
1192 static int close_fd = -1; /* dummy fd to close fds via dup2 */ 1346 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1193 int fd = s_fileno_croak (fh, 0); 1347 int fd = s_fileno_croak (fh, 0);
1194 dREQ; 1348 dREQ;
1218 1372
1219 REQ_SEND; 1373 REQ_SEND;
1220} 1374}
1221 1375
1222void 1376void
1223aio_seek (SV *fh, SV *offset, int whence, SV *callback=&PL_sv_undef) 1377aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1224 PPCODE: 1378 PPCODE:
1225{ 1379{
1226 int fd = s_fileno_croak (fh, 0); 1380 int fd = s_fileno_croak (fh, 0);
1227 dREQ; 1381 dREQ;
1228 1382
1234 1388
1235 REQ_SEND; 1389 REQ_SEND;
1236} 1390}
1237 1391
1238void 1392void
1239aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1393aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
1240 ALIAS: 1394 ALIAS:
1241 aio_read = EIO_READ 1395 aio_read = EIO_READ
1242 aio_write = EIO_WRITE 1396 aio_write = EIO_WRITE
1243 PPCODE: 1397 PPCODE:
1244{ 1398{
1260 len = svlen - dataoffset; 1414 len = svlen - dataoffset;
1261 } 1415 }
1262 else 1416 else
1263 { 1417 {
1264 /* read: check type and grow scalar as necessary */ 1418 /* read: check type and grow scalar as necessary */
1265 SvUPGRADE (data, SVt_PV);
1266 if (SvLEN (data) >= SvCUR (data)) 1419 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1267 svptr = SvGROW (data, len + dataoffset + 1); 1420 svptr = sv_grow (data, len + dataoffset);
1268 else if (SvCUR (data) < len + dataoffset) 1421 else if (SvCUR (data) < len + dataoffset)
1269 croak ("length + dataoffset outside of scalar, and cannot grow"); 1422 croak ("length + dataoffset outside of scalar, and cannot grow");
1270 } 1423 }
1271 1424
1272 { 1425 {
1290 REQ_SEND; 1443 REQ_SEND;
1291 } 1444 }
1292} 1445}
1293 1446
1294void 1447void
1448aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
1449 ALIAS:
1450 aio_ioctl = EIO_IOCTL
1451 aio_fcntl = EIO_FCNTL
1452 PPCODE:
1453{
1454 int fd = s_fileno_croak (fh, 0);
1455 char *svptr;
1456
1457 if (SvPOK (arg) || !SvNIOK (arg))
1458 {
1459 STRLEN svlen;
1460 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1461#ifdef IOCPARM_LEN
1462 STRLEN need = IOCPARM_LEN (request);
1463#else
1464 STRLEN need = 256;
1465#endif
1466
1467 if (svlen < need)
1468 svptr = SvGROW (arg, need);
1469 }
1470 else
1471 svptr = (char *)SvIV (arg);
1472
1473 {
1474 dREQ;
1475
1476 req->type = ix;
1477 req->sv1 = newSVsv (fh);
1478 req->int1 = fd;
1479 req->int2 = (long)request;
1480 req->sv2 = SvREFCNT_inc (arg);
1481 req->ptr2 = svptr;
1482
1483 REQ_SEND;
1484 }
1485}
1486
1487void
1295aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1488aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1296 ALIAS: 1489 ALIAS:
1297 aio_readlink = EIO_READLINK 1490 aio_readlink = EIO_READLINK
1298 aio_realpath = EIO_REALPATH 1491 aio_realpath = EIO_REALPATH
1299 PPCODE: 1492 PPCODE:
1300{ 1493{
1305 1498
1306 REQ_SEND; 1499 REQ_SEND;
1307} 1500}
1308 1501
1309void 1502void
1310aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1503aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1311 PPCODE: 1504 PPCODE:
1312{ 1505{
1313 int ifd = s_fileno_croak (in_fh , 0); 1506 int ifd = s_fileno_croak (in_fh , 0);
1314 int ofd = s_fileno_croak (out_fh, 1); 1507 int ofd = s_fileno_croak (out_fh, 1);
1315 dREQ; 1508 dREQ;
1324 1517
1325 REQ_SEND; 1518 REQ_SEND;
1326} 1519}
1327 1520
1328void 1521void
1329aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1522aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1330 PPCODE: 1523 PPCODE:
1331{ 1524{
1332 int fd = s_fileno_croak (fh, 0); 1525 int fd = s_fileno_croak (fh, 0);
1333 dREQ; 1526 dREQ;
1334 1527
1340 1533
1341 REQ_SEND; 1534 REQ_SEND;
1342} 1535}
1343 1536
1344void 1537void
1345aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1538aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1346 ALIAS: 1539 ALIAS:
1347 aio_stat = EIO_STAT 1540 aio_stat = EIO_STAT
1348 aio_lstat = EIO_LSTAT 1541 aio_lstat = EIO_LSTAT
1349 aio_statvfs = EIO_STATVFS 1542 aio_statvfs = EIO_STATVFS
1350 PPCODE: 1543 PPCODE:
1359UV 1552UV
1360major (UV dev) 1553major (UV dev)
1361 ALIAS: 1554 ALIAS:
1362 minor = 1 1555 minor = 1
1363 CODE: 1556 CODE:
1364 RETVAL = ix ? major (dev) : minor (dev); 1557 RETVAL = ix ? minor (dev) : major (dev);
1365 OUTPUT: 1558 OUTPUT:
1366 RETVAL 1559 RETVAL
1367 1560
1368UV 1561UV
1369makedev (UV maj, UV min) 1562makedev (UV maj, UV min)
1371 RETVAL = makedev (maj, min); 1564 RETVAL = makedev (maj, min);
1372 OUTPUT: 1565 OUTPUT:
1373 RETVAL 1566 RETVAL
1374 1567
1375void 1568void
1376aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1569aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1377 PPCODE: 1570 PPCODE:
1378{ 1571{
1379 dREQ; 1572 dREQ;
1380 1573
1381 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1574 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1384 1577
1385 REQ_SEND; 1578 REQ_SEND;
1386} 1579}
1387 1580
1388void 1581void
1389aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1582aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1390 PPCODE: 1583 PPCODE:
1391{ 1584{
1392 dREQ; 1585 dREQ;
1393 1586
1394 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1587 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1396 1589
1397 REQ_SEND; 1590 REQ_SEND;
1398} 1591}
1399 1592
1400void 1593void
1401aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1594aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1402 PPCODE: 1595 PPCODE:
1403{ 1596{
1404 dREQ; 1597 dREQ;
1405 1598
1406 req->int2 = mode; 1599 req->int2 = mode;
1408 1601
1409 REQ_SEND; 1602 REQ_SEND;
1410} 1603}
1411 1604
1412void 1605void
1413aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1606aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1414 PPCODE: 1607 PPCODE:
1415{ 1608{
1416 dREQ; 1609 dREQ;
1417 1610
1418 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1611 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1421 1614
1422 REQ_SEND; 1615 REQ_SEND;
1423} 1616}
1424 1617
1425void 1618void
1426aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1619aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1427 PPCODE: 1620 PPCODE:
1428{ 1621{
1429 dREQ; 1622 dREQ;
1430 1623
1431 req->type = EIO_READDIR; 1624 req->type = EIO_READDIR;
1438 1631
1439 REQ_SEND; 1632 REQ_SEND;
1440} 1633}
1441 1634
1442void 1635void
1443aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef) 1636aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1444 PPCODE: 1637 PPCODE:
1445{ 1638{
1446 dREQ; 1639 dREQ;
1447 1640
1448 req->type = EIO_MKDIR; 1641 req->type = EIO_MKDIR;
1451 1644
1452 REQ_SEND; 1645 REQ_SEND;
1453} 1646}
1454 1647
1455void 1648void
1456aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1649aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1457 ALIAS: 1650 ALIAS:
1458 aio_unlink = EIO_UNLINK 1651 aio_unlink = EIO_UNLINK
1459 aio_rmdir = EIO_RMDIR 1652 aio_rmdir = EIO_RMDIR
1460 aio_readdir = EIO_READDIR 1653 aio_readdir = EIO_READDIR
1461 PPCODE: 1654 PPCODE:
1467 1660
1468 REQ_SEND; 1661 REQ_SEND;
1469} 1662}
1470 1663
1471void 1664void
1472aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1665aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1473 ALIAS: 1666 ALIAS:
1474 aio_link = EIO_LINK 1667 aio_link = EIO_LINK
1475 aio_symlink = EIO_SYMLINK 1668 aio_symlink = EIO_SYMLINK
1476 aio_rename = EIO_RENAME 1669 aio_rename = EIO_RENAME
1477 PPCODE: 1670 PPCODE:
1486 1679
1487 REQ_SEND; 1680 REQ_SEND;
1488} 1681}
1489 1682
1490void 1683void
1684aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
1685 PPCODE:
1686{
1687 eio_wd wd2 = 0;
1688 dREQ;
1689
1690 req->type = EIO_RENAME;
1691 req_set_path1 (req, oldpath);
1692 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1693 req->int2 = flags;
1694 req->int3 = (long)wd2;
1695
1696 REQ_SEND;
1697}
1698
1699void
1491aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 1700aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1492 PPCODE: 1701 PPCODE:
1493{ 1702{
1494 dREQ; 1703 dREQ;
1495 1704
1496 req->type = EIO_MKNOD; 1705 req->type = EIO_MKNOD;
1500 1709
1501 REQ_SEND; 1710 REQ_SEND;
1502} 1711}
1503 1712
1504void 1713void
1505aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1714aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1506 ALIAS: 1715 ALIAS:
1507 aio_mtouch = EIO_MTOUCH 1716 aio_mtouch = EIO_MTOUCH
1508 aio_msync = EIO_MSYNC 1717 aio_msync = EIO_MSYNC
1509 PPCODE: 1718 PPCODE:
1510{ 1719{
1511 STRLEN svlen; 1720 STRLEN svlen;
1512 char *svptr = SvPVbyte (data, svlen); 1721 char *svptr = SvPVbyte (data, svlen);
1513 UV len = SvUV (length); 1722 UV len = SvUV (length);
1723
1724 if (flags < 0)
1725 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1514 1726
1515 if (offset < 0) 1727 if (offset < 0)
1516 offset += svlen; 1728 offset += svlen;
1517 1729
1518 if (offset < 0 || offset > svlen) 1730 if (offset < 0 || offset > svlen)
1533 REQ_SEND; 1745 REQ_SEND;
1534 } 1746 }
1535} 1747}
1536 1748
1537void 1749void
1538aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef) 1750aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1539 PPCODE: 1751 PPCODE:
1540{ 1752{
1541 STRLEN svlen; 1753 STRLEN svlen;
1542 char *svptr = SvPVbyte (data, svlen); 1754 char *svptr = SvPVbyte (data, svlen);
1543 UV len = SvUV (length); 1755 UV len = SvUV (length);
1562 REQ_SEND; 1774 REQ_SEND;
1563 } 1775 }
1564} 1776}
1565 1777
1566void 1778void
1567aio_mlockall (IV flags, SV *callback=&PL_sv_undef) 1779aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1568 PPCODE: 1780 PPCODE:
1569{ 1781{
1570 dREQ; 1782 dREQ;
1571 1783
1572 req->type = EIO_MLOCKALL; 1784 req->type = EIO_MLOCKALL;
1574 1786
1575 REQ_SEND; 1787 REQ_SEND;
1576} 1788}
1577 1789
1578void 1790void
1579aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback=&PL_sv_undef) 1791aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
1580 PPCODE: 1792 PPCODE:
1581{ 1793{
1582 int fd = s_fileno_croak (fh, 0); 1794 int fd = s_fileno_croak (fh, 0);
1583 dREQ; 1795 dREQ;
1584 1796
1597 1809
1598 REQ_SEND; 1810 REQ_SEND;
1599} 1811}
1600 1812
1601void 1813void
1814aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
1815 PPCODE:
1816{
1817 char *svptr = 0;
1818
1819 sv_clear_foreign (data);
1820
1821 if (length) /* known length, directly read into scalar */
1822 {
1823 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1824 svptr = sv_grow (data, length);
1825 else if (SvCUR (data) < length)
1826 croak ("length outside of scalar, and cannot grow");
1827 else
1828 svptr = SvPVbyte_nolen (data);
1829 }
1830
1831 {
1832 dREQ;
1833
1834 req->type = EIO_SLURP;
1835 req_set_path1 (req, pathname);
1836 req->offs = offset;
1837 req->size = length;
1838 req->sv2 = SvREFCNT_inc (data);
1839 req->ptr2 = svptr;
1840
1841 if (!SvREADONLY (data))
1842 {
1843 SvREADONLY_on (data);
1844 req->flags |= FLAG_SV2_RO_OFF;
1845 }
1846
1847 REQ_SEND;
1848 }
1849}
1850
1851void
1602aio_busy (double delay, SV *callback=&PL_sv_undef) 1852aio_busy (double delay, SV *callback = &PL_sv_undef)
1603 PPCODE: 1853 PPCODE:
1604{ 1854{
1605 dREQ; 1855 dREQ;
1606 1856
1607 req->type = EIO_BUSY; 1857 req->type = EIO_BUSY;
1609 1859
1610 REQ_SEND; 1860 REQ_SEND;
1611} 1861}
1612 1862
1613void 1863void
1614aio_group (SV *callback=&PL_sv_undef) 1864aio_group (SV *callback = &PL_sv_undef)
1615 PPCODE: 1865 PPCODE:
1616{ 1866{
1617 dREQ; 1867 dREQ;
1618 1868
1619 req->type = EIO_GROUP; 1869 req->type = EIO_GROUP;
1620 1870
1871 PUTBACK;
1621 req_submit (req); 1872 req_submit (req);
1873 SPAGAIN;
1874
1622 XPUSHs (req_sv (req, aio_grp_stash)); 1875 XPUSHs (req_sv (req, aio_grp_stash));
1623} 1876}
1624 1877
1625void 1878void
1626aio_nop (SV *callback=&PL_sv_undef) 1879aio_nop (SV *callback = &PL_sv_undef)
1627 ALIAS: 1880 ALIAS:
1628 aio_nop = EIO_NOP 1881 aio_nop = EIO_NOP
1629 aio_sync = EIO_SYNC 1882 aio_sync = EIO_SYNC
1630 PPCODE: 1883 PPCODE:
1631{ 1884{
1635 1888
1636 REQ_SEND; 1889 REQ_SEND;
1637} 1890}
1638 1891
1639int 1892int
1640aioreq_pri (int pri = 0) 1893aioreq_pri (int pri = NO_INIT)
1641 CODE: 1894 CODE:
1642 RETVAL = next_pri; 1895 RETVAL = next_pri;
1643 if (items > 0) 1896 if (items > 0)
1644 { 1897 {
1645 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1898 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
1735 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 1988 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1736 OUTPUT: 1989 OUTPUT:
1737 RETVAL 1990 RETVAL
1738 1991
1739void 1992void
1740mmap (SV *scalar, size_t length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0) 1993mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1741 PPCODE: 1994 PPCODE:
1742 sv_unmagic (scalar, MMAP_MAGIC); 1995 sv_clear_foreign (scalar);
1743{ 1996{
1744 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 1997 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1745 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 1998 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1746 if (addr == (void *)-1) 1999 if (addr == (void *)-1)
1747 XSRETURN_NO; 2000 XSRETURN_NO;
1748 2001
1749 sv_force_normal (scalar); 2002 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1750
1751 /* we store the length in mg_obj, as namlen is I32 :/ */
1752 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1753 ->mg_obj = (SV *)length;
1754
1755 SvUPGRADE (scalar, SVt_PV); /* nop... */
1756 2003
1757 if (!(prot & PROT_WRITE)) 2004 if (!(prot & PROT_WRITE))
1758 SvREADONLY_on (scalar); 2005 SvREADONLY_on (scalar);
1759 2006
1760 if (SvLEN (scalar))
1761 Safefree (SvPVX (scalar));
1762
1763 SvPVX (scalar) = (char *)addr;
1764 SvCUR_set (scalar, length);
1765 SvLEN_set (scalar, 0);
1766 SvPOK_only (scalar);
1767
1768 XSRETURN_YES; 2007 XSRETURN_YES;
1769} 2008}
1770 2009
1771void 2010void
1772munmap (SV *scalar) 2011munmap (SV *scalar)
1773 CODE: 2012 CODE:
1774 sv_unmagic (scalar, MMAP_MAGIC); 2013 sv_clear_foreign (scalar);
1775 2014
1776int 2015int
1777madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) 2016madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1778 ALIAS: 2017 ALIAS:
1779 mprotect = 1 2018 mprotect = 1
1780 CODE: 2019 CODE:
1781{ 2020{
1782 STRLEN svlen; 2021 STRLEN svlen;
1783 void *addr = SvPVbyte (scalar, svlen); 2022 void *addr = SvPVbyte (scalar, svlen);
1784 size_t len = SvUV (length); 2023 STRLEN len = SvUV (length);
1785 2024
1786 if (offset < 0) 2025 if (offset < 0)
1787 offset += svlen; 2026 offset += svlen;
1788 2027
1789 if (offset < 0 || offset > svlen) 2028 if (offset < 0 || offset > svlen)
1803} 2042}
1804 OUTPUT: 2043 OUTPUT:
1805 RETVAL 2044 RETVAL
1806 2045
1807int 2046int
1808munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) 2047munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
1809 CODE: 2048 CODE:
1810{ 2049{
1811 STRLEN svlen; 2050 STRLEN svlen;
1812 void *addr = SvPVbyte (scalar, svlen); 2051 void *addr = SvPVbyte (scalar, svlen);
1813 size_t len = SvUV (length); 2052 size_t len = SvUV (length);
1885 errno = ENOSYS; 2124 errno = ENOSYS;
1886 RETVAL = -1; 2125 RETVAL = -1;
1887#endif 2126#endif
1888 OUTPUT: 2127 OUTPUT:
1889 RETVAL 2128 RETVAL
2129
2130void
2131pipe2 (int flags = 0)
2132 PROTOTYPE: ;$
2133 PPCODE:
2134{
2135 int fd[2];
2136 int res;
2137
2138 if (flags)
2139#if HAVE_PIPE2
2140 res = pipe2 (fd, flags);
2141#else
2142 res = (errno = ENOSYS, -1);
2143#endif
2144 else
2145 res = pipe (fd);
2146
2147 if (!res)
2148 {
2149 EXTEND (SP, 2);
2150 PUSHs (newmortalFH (fd[0], O_RDONLY));
2151 PUSHs (newmortalFH (fd[1], O_WRONLY));
2152 }
2153}
2154
2155UV
2156get_fdlimit ()
2157 CODE:
2158#if HAVE_RLIMITS
2159 struct rlimit rl;
2160 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2161 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2162#endif
2163 XSRETURN_UNDEF;
2164 OUTPUT:
2165 RETVAL
2166
2167void
2168min_fdlimit (UV limit = 0x7fffffffU)
2169 CODE:
2170{
2171#if HAVE_RLIMITS
2172 struct rlimit rl;
2173 rlim_t orig_rlim_max;
2174 UV bit;
2175
2176 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2177 goto fail;
2178
2179 if (rl.rlim_cur == RLIM_INFINITY)
2180 XSRETURN_YES;
2181
2182 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2183
2184 if (rl.rlim_cur < limit)
2185 {
2186 rl.rlim_cur = limit;
2187
2188 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2189 rl.rlim_max = rl.rlim_cur;
2190 }
2191
2192 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2193 XSRETURN_YES;
2194
2195 if (errno == EPERM)
2196 {
2197 /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2198 /* our limit overflows a system-wide limit */
2199 /* try an adaptive algorithm, but do not lower the hardlimit */
2200 rl.rlim_max = 0;
2201 for (bit = 0x40000000U; bit; bit >>= 1)
2202 {
2203 rl.rlim_max |= bit;
2204 rl.rlim_cur = rl.rlim_max;
2205
2206 /* nevr decrease the hard limit */
2207 if (rl.rlim_max < orig_rlim_max)
2208 break;
2209
2210 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2211 rl.rlim_max &= ~bit; /* too high, remove bit again */
2212 }
2213
2214 /* now, raise the soft limit to the max permitted */
2215 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2216 {
2217 rl.rlim_cur = rl.rlim_max;
2218 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2219 errno = EPERM;
2220 }
2221 }
2222#endif
2223 fail:
2224 XSRETURN_UNDEF;
2225}
1890 2226
1891void _on_next_submit (SV *cb) 2227void _on_next_submit (SV *cb)
1892 CODE: 2228 CODE:
1893 SvREFCNT_dec (on_next_submit); 2229 SvREFCNT_dec (on_next_submit);
1894 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2230 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1929cancel (aio_req_ornot req) 2265cancel (aio_req_ornot req)
1930 CODE: 2266 CODE:
1931 eio_cancel (req); 2267 eio_cancel (req);
1932 2268
1933void 2269void
1934cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2270cb (aio_req_ornot req, SV *callback = NO_INIT)
1935 PPCODE: 2271 PPCODE:
1936{ 2272{
1937 if (GIMME_V != G_VOID) 2273 if (GIMME_V != G_VOID)
1938 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 2274 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1939 2275
1940 if (items > 1) 2276 if (items > 1)
1941 { 2277 {
1942 SV *cb_cv =get_cb (callback); 2278 SV *cb_cv = get_cb (callback);
1943 2279
1944 SvREFCNT_dec (req->callback); 2280 SvREFCNT_dec (req->callback);
1945 req->callback = SvREFCNT_inc (cb_cv); 2281 req->callback = SvREFCNT_inc (cb_cv);
1946 } 2282 }
1947} 2283}
2004limit (aio_req grp, int limit) 2340limit (aio_req grp, int limit)
2005 CODE: 2341 CODE:
2006 eio_grp_limit (grp, limit); 2342 eio_grp_limit (grp, limit);
2007 2343
2008void 2344void
2009feed (aio_req grp, SV *callback=&PL_sv_undef) 2345feed (aio_req grp, SV *callback = &PL_sv_undef)
2010 CODE: 2346 CODE:
2011{ 2347{
2012 SvREFCNT_dec (grp->sv2); 2348 SvREFCNT_dec (grp->sv2);
2013 grp->sv2 = newSVsv (callback); 2349 grp->sv2 = newSVsv (callback);
2014 grp->feed = aio_grp_feed; 2350 grp->feed = aio_grp_feed;

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