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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.229 by root, Fri Apr 11 05:19:40 2014 UTC vs.
Revision 1.251 by root, Sat Jan 6 01:04:42 2018 UTC

21# include <sys/mman.h> 21# include <sys/mman.h>
22#endif 22#endif
23 23
24/* the incompetent fool that created musl keeps __linux__, refuses 24/* the incompetent fool that created musl keeps __linux__, refuses
25 * to implement any linux standard apis, and also has no way to test 25 * to implement any linux standard apis, and also has no way to test
26 * for his broken iplementation. on't complain if this fails for you. 26 * for his broken iplementation. don't complain to me if this fails
27 * for you.
27 */ 28 */
28#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__) 29#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
29# include <linux/fs.h> 30# include <linux/fs.h>
30# ifdef FS_IOC_FIEMAP 31# ifdef FS_IOC_FIEMAP
31# include <linux/types.h> 32# include <linux/types.h>
103#define expect_false(expr) expect ((expr) != 0, 0) 104#define expect_false(expr) expect ((expr) != 0, 0)
104#define expect_true(expr) expect ((expr) != 0, 1) 105#define expect_true(expr) expect ((expr) != 0, 1)
105 106
106/*****************************************************************************/ 107/*****************************************************************************/
107 108
109#include "libeio/config.h"
110
111#if HAVE_RLIMITS
112 #include <sys/time.h>
113 #include <sys/resource.h>
114#endif
115
108typedef SV SV8; /* byte-sv, used for argument-checking */ 116typedef SV SV8; /* byte-sv, used for argument-checking */
109typedef int aio_rfd; /* read file desriptor */ 117typedef int aio_rfd; /* read file desriptor */
110typedef int aio_wfd; /* write file descriptor */ 118typedef int aio_wfd; /* write file descriptor */
111 119
112static 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;
118 STRLEN stroffset; \ 126 STRLEN stroffset; \
119 SV *self; 127 SV *self;
120 128
121#define EIO_NO_WRAPPERS 1 129#define EIO_NO_WRAPPERS 1
122 130
123#include "libeio/config.h"
124#include "libeio/eio.h" 131#include "libeio/eio.h"
125 132
126static int req_invoke (eio_req *req); 133static int req_invoke (eio_req *req);
127#define EIO_FINISH(req) req_invoke (req) 134#define EIO_FINISH(req) req_invoke (req)
128static void req_destroy (eio_req *grp); 135static void req_destroy (eio_req *grp);
145# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 152# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
146# endif 153# endif
147#endif 154#endif
148 155
149/* 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 */
150#include "def0.h" 158#include "def0.h"
151 159
152#ifndef makedev 160#ifndef makedev
153# define makedev(maj,min) (((maj) << 8) | (min)) 161# define makedev(maj,min) (((maj) << 8) | (min))
154#endif 162#endif
160#endif 168#endif
161 169
162#if PAGESIZE <= 0 170#if PAGESIZE <= 0
163# define PAGESIZE sysconf (_SC_PAGESIZE) 171# define PAGESIZE sysconf (_SC_PAGESIZE)
164#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}
165 264
166/*****************************************************************************/ 265/*****************************************************************************/
167 266
168static void 267static void
169fiemap (eio_req *req) 268fiemap (eio_req *req)
308} 407}
309 408
310static SV * 409static SV *
311newSVaio_wd (aio_wd wd) 410newSVaio_wd (aio_wd wd)
312{ 411{
313 return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash); 412 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
314} 413}
315 414
316static aio_req 415static aio_req
317SvAIO_REQ (SV *sv) 416SvAIO_REQ (SV *sv)
318{ 417{
337 || SvTYPE (SvRV (sv)) != SVt_PVMG 436 || SvTYPE (SvRV (sv)) != SVt_PVMG
338 || SvSTASH (SvRV (sv)) != aio_wd_stash) 437 || SvSTASH (SvRV (sv)) != aio_wd_stash)
339 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");
340 439
341 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;
342} 466}
343 467
344static void 468static void
345aio_grp_feed (aio_req grp) 469aio_grp_feed (aio_req grp)
346{ 470{
474 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))));
475 } 599 }
476 break; 600 break;
477 601
478 case EIO_OPEN: 602 case EIO_OPEN:
479 { 603 PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
480 /* convert fd to fh */
481 SV *fh = &PL_sv_undef;
482
483 if (req->result >= 0)
484 {
485 GV *gv = (GV *)sv_newmortal ();
486 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
487 char sym [64];
488 int symlen;
489
490 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
491 gv_init (gv, aio_stash, sym, symlen, 0);
492
493 symlen = snprintf (
494 sym,
495 sizeof (sym),
496 "%s&=%d",
497 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
498 (int)req->result
499 );
500
501 if (do_open (gv, sym, symlen, 0, 0, 0, 0))
502 fh = (SV *)gv;
503 }
504
505 PUSHs (fh);
506 }
507 break; 604 break;
508 605
509 case EIO_STATVFS: 606 case EIO_STATVFS:
510 case EIO_FSTATVFS: 607 case EIO_FSTATVFS:
511 { 608 {
591 SvSETMAGIC (req->sv2); 688 SvSETMAGIC (req->sv2);
592 PUSHs (sv_result); 689 PUSHs (sv_result);
593 } 690 }
594 break; 691 break;
595 692
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
596 case EIO_CUSTOM: 711 case EIO_CUSTOM:
597 if (req->feed == fiemap) 712 if (req->feed == fiemap)
598 { 713 {
599#if HAVE_FIEMAP 714#if HAVE_FIEMAP
600 if (!req->result) 715 if (!req->result)
705{ 820{
706 while (eio_nreqs ()) 821 while (eio_nreqs ())
707 { 822 {
708 int size; 823 int size;
709 824
710 X_LOCK (reslock); 825 X_LOCK (EIO_POOL->reslock);
711 size = res_queue.size; 826 size = EIO_POOL->res_queue.size;
712 X_UNLOCK (reslock); 827 X_UNLOCK (EIO_POOL->reslock);
713 828
714 if (size) 829 if (size)
715 return; 830 return;
716 831
717 etp_maybe_start_thread (); 832 etp_maybe_start_thread (EIO_POOL);
718 833
719 s_epipe_wait (&respipe); 834 s_epipe_wait (&respipe);
720 } 835 }
721} 836}
722 837
743 create_respipe (); 858 create_respipe ();
744 859
745 if (eio_init (want_poll, done_poll) < 0) 860 if (eio_init (want_poll, done_poll) < 0)
746 croak ("IO::AIO: unable to initialise eio library"); 861 croak ("IO::AIO: unable to initialise eio library");
747} 862}
748
749/*****************************************************************************/
750
751#if !_POSIX_MAPPED_FILES
752# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
753# define munmap(addr,length) EIO_ENOSYS ()
754#endif
755
756#if !_POSIX_MEMORY_PROTECTION
757# define mprotect(addr,len,prot) EIO_ENOSYS ()
758# define PROT_NONE 0
759# define PROT_WRITE 0
760# define MAP_PRIVATE 0
761# define MAP_SHARED 0
762# define MAP_FIXED 0
763#endif
764
765#define MMAP_MAGIC PERL_MAGIC_ext
766
767static int ecb_cold
768mmap_free (pTHX_ SV *sv, MAGIC *mg)
769{
770 int old_errno = errno;
771 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
772 errno = old_errno;
773
774 mg->mg_obj = 0; /* just in case */
775
776 SvREADONLY_off (sv);
777
778 if (SvPVX (sv) != mg->mg_ptr)
779 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
780
781 SvCUR_set (sv, 0);
782 SvPVX (sv) = 0;
783 SvOK_off (sv);
784
785 return 0;
786}
787
788static MGVTBL mmap_vtbl = {
789 0, 0, 0, 0, mmap_free
790};
791 863
792/*****************************************************************************/ 864/*****************************************************************************/
793 865
794static SV * 866static SV *
795get_cb (SV *cb_sv) 867get_cb (SV *cb_sv)
907 } *civ, const_iv[] = { 979 } *civ, const_iv[] = {
908# define const_niv(name, value) { # name, (IV) value }, 980# define const_niv(name, value) { # name, (IV) value },
909# define const_iv(name) { # name, (IV) name }, 981# define const_iv(name) { # name, (IV) name },
910# define const_eio(name) { # name, (IV) EIO_ ## name }, 982# define const_eio(name) { # name, (IV) EIO_ ## name },
911 983
912 /* 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 */
913 985 /* the first block can be undef if missing */
914 const_iv (ENOSYS) 986 const_iv (ENOSYS)
915 const_iv (EXDEV) 987 const_iv (EXDEV)
916 const_iv (EBADR) 988 const_iv (EBADR)
917 989
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 */
918 const_iv (O_RDONLY) 1008 const_iv (O_RDONLY)
919 const_iv (O_WRONLY) 1009 const_iv (O_WRONLY)
920 const_iv (O_RDWR) 1010 const_iv (O_RDWR)
921 const_iv (O_CREAT) 1011 const_iv (O_CREAT)
922 const_iv (O_TRUNC) 1012 const_iv (O_TRUNC)
935 const_iv (O_SEARCH) 1025 const_iv (O_SEARCH)
936 const_iv (O_DIRECTORY) 1026 const_iv (O_DIRECTORY)
937 const_iv (O_DSYNC) 1027 const_iv (O_DSYNC)
938 const_iv (O_RSYNC) 1028 const_iv (O_RSYNC)
939 const_iv (O_SYNC) 1029 const_iv (O_SYNC)
1030 const_iv (O_PATH)
1031 const_iv (O_TMPFILE)
940 const_iv (O_TTY_INIT) 1032 const_iv (O_TTY_INIT)
941 1033
942 const_iv (S_IFIFO) 1034 const_iv (S_IFIFO)
943 const_iv (S_IFCHR) 1035 const_iv (S_IFCHR)
944 const_iv (S_IFBLK) 1036 const_iv (S_IFBLK)
946 const_iv (S_IFREG) 1038 const_iv (S_IFREG)
947 const_iv (S_IFDIR) 1039 const_iv (S_IFDIR)
948 const_iv (S_IFWHT) 1040 const_iv (S_IFWHT)
949 const_iv (S_IFSOCK) 1041 const_iv (S_IFSOCK)
950 const_iv (S_IFMT) 1042 const_iv (S_IFMT)
951
952 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
953 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
954 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
955 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
956 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
957 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
958
959 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
960 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
961 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
962 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
963 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
964 1043
965 const_iv (ST_RDONLY) 1044 const_iv (ST_RDONLY)
966 const_iv (ST_NOSUID) 1045 const_iv (ST_NOSUID)
967 const_iv (ST_NODEV) 1046 const_iv (ST_NODEV)
968 const_iv (ST_NOEXEC) 1047 const_iv (ST_NOEXEC)
978 const_iv (PROT_NONE) 1057 const_iv (PROT_NONE)
979 const_iv (PROT_EXEC) 1058 const_iv (PROT_EXEC)
980 const_iv (PROT_READ) 1059 const_iv (PROT_READ)
981 const_iv (PROT_WRITE) 1060 const_iv (PROT_WRITE)
982 1061
983 /*const_iv (MAP_FIXED)*/
984 const_iv (MAP_PRIVATE) 1062 const_iv (MAP_PRIVATE)
985 const_iv (MAP_SHARED) 1063 const_iv (MAP_SHARED)
1064 const_iv (MAP_FIXED)
986 const_iv (MAP_ANONYMOUS) 1065 const_iv (MAP_ANONYMOUS)
987 1066
988 /* linuxish */ 1067 /* linuxish */
989 const_iv (MAP_HUGETLB)
990 const_iv (MAP_LOCKED) 1068 const_iv (MAP_LOCKED)
991 const_iv (MAP_NORESERVE) 1069 const_iv (MAP_NORESERVE)
992 const_iv (MAP_POPULATE) 1070 const_iv (MAP_POPULATE)
993 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)
994 1139
995 const_iv (FIEMAP_FLAG_SYNC) 1140 const_iv (FIEMAP_FLAG_SYNC)
996 const_iv (FIEMAP_FLAG_XATTR) 1141 const_iv (FIEMAP_FLAG_XATTR)
997 const_iv (FIEMAP_FLAGS_COMPAT) 1142 const_iv (FIEMAP_FLAGS_COMPAT)
998 const_iv (FIEMAP_EXTENT_LAST) 1143 const_iv (FIEMAP_EXTENT_LAST)
1010 const_iv (SPLICE_F_MOVE) 1155 const_iv (SPLICE_F_MOVE)
1011 const_iv (SPLICE_F_NONBLOCK) 1156 const_iv (SPLICE_F_NONBLOCK)
1012 const_iv (SPLICE_F_MORE) 1157 const_iv (SPLICE_F_MORE)
1013 const_iv (SPLICE_F_GIFT) 1158 const_iv (SPLICE_F_GIFT)
1014 1159
1015 const_iv (SEEK_DATA) 1160 /* these are libeio constants, and are independent of gendef0 */
1016 const_iv (SEEK_HOLE)
1017
1018 /* libeio constants */
1019 const_eio (SEEK_SET) 1161 const_eio (SEEK_SET)
1020 const_eio (SEEK_CUR) 1162 const_eio (SEEK_CUR)
1021 const_eio (SEEK_END) 1163 const_eio (SEEK_END)
1022 1164
1023 const_eio (MCL_FUTURE) 1165 const_eio (MCL_FUTURE)
1033 const_eio (SYNC_FILE_RANGE_WRITE) 1175 const_eio (SYNC_FILE_RANGE_WRITE)
1034 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1176 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1035 1177
1036 const_eio (FALLOC_FL_KEEP_SIZE) 1178 const_eio (FALLOC_FL_KEEP_SIZE)
1037 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)
1038 1188
1039 const_eio (READDIR_DENTS) 1189 const_eio (READDIR_DENTS)
1040 const_eio (READDIR_DIRS_FIRST) 1190 const_eio (READDIR_DIRS_FIRST)
1041 const_eio (READDIR_STAT_ORDER) 1191 const_eio (READDIR_STAT_ORDER)
1042 const_eio (READDIR_FOUND_UNKNOWN) 1192 const_eio (READDIR_FOUND_UNKNOWN)
1110 PROTOTYPE: $ 1260 PROTOTYPE: $
1111 CODE: 1261 CODE:
1112 max_outstanding = maxreqs; 1262 max_outstanding = maxreqs;
1113 1263
1114void 1264void
1115aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef) 1265aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
1116 PPCODE: 1266 PPCODE:
1117{ 1267{
1118 dREQ; 1268 dREQ;
1119 1269
1120 req->type = EIO_WD_OPEN; 1270 req->type = EIO_WD_OPEN;
1122 1272
1123 REQ_SEND; 1273 REQ_SEND;
1124} 1274}
1125 1275
1126void 1276void
1127aio_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)
1128 PPCODE: 1278 PPCODE:
1129{ 1279{
1130 dREQ; 1280 dREQ;
1131 1281
1132 req->type = EIO_OPEN; 1282 req->type = EIO_OPEN;
1136 1286
1137 REQ_SEND; 1287 REQ_SEND;
1138} 1288}
1139 1289
1140void 1290void
1141aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1291aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
1142 ALIAS: 1292 ALIAS:
1143 aio_fsync = EIO_FSYNC 1293 aio_fsync = EIO_FSYNC
1144 aio_fdatasync = EIO_FDATASYNC 1294 aio_fdatasync = EIO_FDATASYNC
1145 aio_syncfs = EIO_SYNCFS 1295 aio_syncfs = EIO_SYNCFS
1146 PPCODE: 1296 PPCODE:
1154 1304
1155 REQ_SEND; 1305 REQ_SEND;
1156} 1306}
1157 1307
1158void 1308void
1159aio_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)
1160 PPCODE: 1310 PPCODE:
1161{ 1311{
1162 int fd = s_fileno_croak (fh, 0); 1312 int fd = s_fileno_croak (fh, 0);
1163 dREQ; 1313 dREQ;
1164 1314
1171 1321
1172 REQ_SEND; 1322 REQ_SEND;
1173} 1323}
1174 1324
1175void 1325void
1176aio_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)
1177 PPCODE: 1327 PPCODE:
1178{ 1328{
1179 int fd = s_fileno_croak (fh, 0); 1329 int fd = s_fileno_croak (fh, 0);
1180 dREQ; 1330 dREQ;
1181 1331
1188 1338
1189 REQ_SEND; 1339 REQ_SEND;
1190} 1340}
1191 1341
1192void 1342void
1193aio_close (SV *fh, SV *callback=&PL_sv_undef) 1343aio_close (SV *fh, SV *callback = &PL_sv_undef)
1194 PPCODE: 1344 PPCODE:
1195{ 1345{
1196 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 */
1197 int fd = s_fileno_croak (fh, 0); 1347 int fd = s_fileno_croak (fh, 0);
1198 dREQ; 1348 dREQ;
1222 1372
1223 REQ_SEND; 1373 REQ_SEND;
1224} 1374}
1225 1375
1226void 1376void
1227aio_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)
1228 PPCODE: 1378 PPCODE:
1229{ 1379{
1230 int fd = s_fileno_croak (fh, 0); 1380 int fd = s_fileno_croak (fh, 0);
1231 dREQ; 1381 dREQ;
1232 1382
1238 1388
1239 REQ_SEND; 1389 REQ_SEND;
1240} 1390}
1241 1391
1242void 1392void
1243aio_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)
1244 ALIAS: 1394 ALIAS:
1245 aio_read = EIO_READ 1395 aio_read = EIO_READ
1246 aio_write = EIO_WRITE 1396 aio_write = EIO_WRITE
1247 PPCODE: 1397 PPCODE:
1248{ 1398{
1264 len = svlen - dataoffset; 1414 len = svlen - dataoffset;
1265 } 1415 }
1266 else 1416 else
1267 { 1417 {
1268 /* read: check type and grow scalar as necessary */ 1418 /* read: check type and grow scalar as necessary */
1269 SvUPGRADE (data, SVt_PV);
1270 if (SvLEN (data) >= SvCUR (data)) 1419 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1271 svptr = SvGROW (data, len + dataoffset + 1); 1420 svptr = sv_grow (data, len + dataoffset);
1272 else if (SvCUR (data) < len + dataoffset) 1421 else if (SvCUR (data) < len + dataoffset)
1273 croak ("length + dataoffset outside of scalar, and cannot grow"); 1422 croak ("length + dataoffset outside of scalar, and cannot grow");
1274 } 1423 }
1275 1424
1276 { 1425 {
1294 REQ_SEND; 1443 REQ_SEND;
1295 } 1444 }
1296} 1445}
1297 1446
1298void 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
1299aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1488aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1300 ALIAS: 1489 ALIAS:
1301 aio_readlink = EIO_READLINK 1490 aio_readlink = EIO_READLINK
1302 aio_realpath = EIO_REALPATH 1491 aio_realpath = EIO_REALPATH
1303 PPCODE: 1492 PPCODE:
1304{ 1493{
1309 1498
1310 REQ_SEND; 1499 REQ_SEND;
1311} 1500}
1312 1501
1313void 1502void
1314aio_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)
1315 PPCODE: 1504 PPCODE:
1316{ 1505{
1317 int ifd = s_fileno_croak (in_fh , 0); 1506 int ifd = s_fileno_croak (in_fh , 0);
1318 int ofd = s_fileno_croak (out_fh, 1); 1507 int ofd = s_fileno_croak (out_fh, 1);
1319 dREQ; 1508 dREQ;
1328 1517
1329 REQ_SEND; 1518 REQ_SEND;
1330} 1519}
1331 1520
1332void 1521void
1333aio_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)
1334 PPCODE: 1523 PPCODE:
1335{ 1524{
1336 int fd = s_fileno_croak (fh, 0); 1525 int fd = s_fileno_croak (fh, 0);
1337 dREQ; 1526 dREQ;
1338 1527
1344 1533
1345 REQ_SEND; 1534 REQ_SEND;
1346} 1535}
1347 1536
1348void 1537void
1349aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1538aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1350 ALIAS: 1539 ALIAS:
1351 aio_stat = EIO_STAT 1540 aio_stat = EIO_STAT
1352 aio_lstat = EIO_LSTAT 1541 aio_lstat = EIO_LSTAT
1353 aio_statvfs = EIO_STATVFS 1542 aio_statvfs = EIO_STATVFS
1354 PPCODE: 1543 PPCODE:
1363UV 1552UV
1364major (UV dev) 1553major (UV dev)
1365 ALIAS: 1554 ALIAS:
1366 minor = 1 1555 minor = 1
1367 CODE: 1556 CODE:
1368 RETVAL = ix ? major (dev) : minor (dev); 1557 RETVAL = ix ? minor (dev) : major (dev);
1369 OUTPUT: 1558 OUTPUT:
1370 RETVAL 1559 RETVAL
1371 1560
1372UV 1561UV
1373makedev (UV maj, UV min) 1562makedev (UV maj, UV min)
1375 RETVAL = makedev (maj, min); 1564 RETVAL = makedev (maj, min);
1376 OUTPUT: 1565 OUTPUT:
1377 RETVAL 1566 RETVAL
1378 1567
1379void 1568void
1380aio_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)
1381 PPCODE: 1570 PPCODE:
1382{ 1571{
1383 dREQ; 1572 dREQ;
1384 1573
1385 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1574 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1388 1577
1389 REQ_SEND; 1578 REQ_SEND;
1390} 1579}
1391 1580
1392void 1581void
1393aio_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)
1394 PPCODE: 1583 PPCODE:
1395{ 1584{
1396 dREQ; 1585 dREQ;
1397 1586
1398 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1587 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1400 1589
1401 REQ_SEND; 1590 REQ_SEND;
1402} 1591}
1403 1592
1404void 1593void
1405aio_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)
1406 PPCODE: 1595 PPCODE:
1407{ 1596{
1408 dREQ; 1597 dREQ;
1409 1598
1410 req->int2 = mode; 1599 req->int2 = mode;
1412 1601
1413 REQ_SEND; 1602 REQ_SEND;
1414} 1603}
1415 1604
1416void 1605void
1417aio_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)
1418 PPCODE: 1607 PPCODE:
1419{ 1608{
1420 dREQ; 1609 dREQ;
1421 1610
1422 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1611 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1425 1614
1426 REQ_SEND; 1615 REQ_SEND;
1427} 1616}
1428 1617
1429void 1618void
1430aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1619aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1431 PPCODE: 1620 PPCODE:
1432{ 1621{
1433 dREQ; 1622 dREQ;
1434 1623
1435 req->type = EIO_READDIR; 1624 req->type = EIO_READDIR;
1442 1631
1443 REQ_SEND; 1632 REQ_SEND;
1444} 1633}
1445 1634
1446void 1635void
1447aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef) 1636aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1448 PPCODE: 1637 PPCODE:
1449{ 1638{
1450 dREQ; 1639 dREQ;
1451 1640
1452 req->type = EIO_MKDIR; 1641 req->type = EIO_MKDIR;
1455 1644
1456 REQ_SEND; 1645 REQ_SEND;
1457} 1646}
1458 1647
1459void 1648void
1460aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1649aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1461 ALIAS: 1650 ALIAS:
1462 aio_unlink = EIO_UNLINK 1651 aio_unlink = EIO_UNLINK
1463 aio_rmdir = EIO_RMDIR 1652 aio_rmdir = EIO_RMDIR
1464 aio_readdir = EIO_READDIR 1653 aio_readdir = EIO_READDIR
1465 PPCODE: 1654 PPCODE:
1471 1660
1472 REQ_SEND; 1661 REQ_SEND;
1473} 1662}
1474 1663
1475void 1664void
1476aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1665aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1477 ALIAS: 1666 ALIAS:
1478 aio_link = EIO_LINK 1667 aio_link = EIO_LINK
1479 aio_symlink = EIO_SYMLINK 1668 aio_symlink = EIO_SYMLINK
1480 aio_rename = EIO_RENAME 1669 aio_rename = EIO_RENAME
1481 PPCODE: 1670 PPCODE:
1490 1679
1491 REQ_SEND; 1680 REQ_SEND;
1492} 1681}
1493 1682
1494void 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
1495aio_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)
1496 PPCODE: 1701 PPCODE:
1497{ 1702{
1498 dREQ; 1703 dREQ;
1499 1704
1500 req->type = EIO_MKNOD; 1705 req->type = EIO_MKNOD;
1504 1709
1505 REQ_SEND; 1710 REQ_SEND;
1506} 1711}
1507 1712
1508void 1713void
1509aio_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)
1510 ALIAS: 1715 ALIAS:
1511 aio_mtouch = EIO_MTOUCH 1716 aio_mtouch = EIO_MTOUCH
1512 aio_msync = EIO_MSYNC 1717 aio_msync = EIO_MSYNC
1513 PPCODE: 1718 PPCODE:
1514{ 1719{
1515 STRLEN svlen; 1720 STRLEN svlen;
1516 char *svptr = SvPVbyte (data, svlen); 1721 char *svptr = SvPVbyte (data, svlen);
1517 UV len = SvUV (length); 1722 UV len = SvUV (length);
1723
1724 if (flags < 0)
1725 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1518 1726
1519 if (offset < 0) 1727 if (offset < 0)
1520 offset += svlen; 1728 offset += svlen;
1521 1729
1522 if (offset < 0 || offset > svlen) 1730 if (offset < 0 || offset > svlen)
1537 REQ_SEND; 1745 REQ_SEND;
1538 } 1746 }
1539} 1747}
1540 1748
1541void 1749void
1542aio_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)
1543 PPCODE: 1751 PPCODE:
1544{ 1752{
1545 STRLEN svlen; 1753 STRLEN svlen;
1546 char *svptr = SvPVbyte (data, svlen); 1754 char *svptr = SvPVbyte (data, svlen);
1547 UV len = SvUV (length); 1755 UV len = SvUV (length);
1566 REQ_SEND; 1774 REQ_SEND;
1567 } 1775 }
1568} 1776}
1569 1777
1570void 1778void
1571aio_mlockall (IV flags, SV *callback=&PL_sv_undef) 1779aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1572 PPCODE: 1780 PPCODE:
1573{ 1781{
1574 dREQ; 1782 dREQ;
1575 1783
1576 req->type = EIO_MLOCKALL; 1784 req->type = EIO_MLOCKALL;
1578 1786
1579 REQ_SEND; 1787 REQ_SEND;
1580} 1788}
1581 1789
1582void 1790void
1583aio_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)
1584 PPCODE: 1792 PPCODE:
1585{ 1793{
1586 int fd = s_fileno_croak (fh, 0); 1794 int fd = s_fileno_croak (fh, 0);
1587 dREQ; 1795 dREQ;
1588 1796
1601 1809
1602 REQ_SEND; 1810 REQ_SEND;
1603} 1811}
1604 1812
1605void 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
1606aio_busy (double delay, SV *callback=&PL_sv_undef) 1852aio_busy (double delay, SV *callback = &PL_sv_undef)
1607 PPCODE: 1853 PPCODE:
1608{ 1854{
1609 dREQ; 1855 dREQ;
1610 1856
1611 req->type = EIO_BUSY; 1857 req->type = EIO_BUSY;
1613 1859
1614 REQ_SEND; 1860 REQ_SEND;
1615} 1861}
1616 1862
1617void 1863void
1618aio_group (SV *callback=&PL_sv_undef) 1864aio_group (SV *callback = &PL_sv_undef)
1619 PPCODE: 1865 PPCODE:
1620{ 1866{
1621 dREQ; 1867 dREQ;
1622 1868
1623 req->type = EIO_GROUP; 1869 req->type = EIO_GROUP;
1628 1874
1629 XPUSHs (req_sv (req, aio_grp_stash)); 1875 XPUSHs (req_sv (req, aio_grp_stash));
1630} 1876}
1631 1877
1632void 1878void
1633aio_nop (SV *callback=&PL_sv_undef) 1879aio_nop (SV *callback = &PL_sv_undef)
1634 ALIAS: 1880 ALIAS:
1635 aio_nop = EIO_NOP 1881 aio_nop = EIO_NOP
1636 aio_sync = EIO_SYNC 1882 aio_sync = EIO_SYNC
1637 PPCODE: 1883 PPCODE:
1638{ 1884{
1642 1888
1643 REQ_SEND; 1889 REQ_SEND;
1644} 1890}
1645 1891
1646int 1892int
1647aioreq_pri (int pri = 0) 1893aioreq_pri (int pri = NO_INIT)
1648 CODE: 1894 CODE:
1649 RETVAL = next_pri; 1895 RETVAL = next_pri;
1650 if (items > 0) 1896 if (items > 0)
1651 { 1897 {
1652 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1898 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
1742 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 1988 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1743 OUTPUT: 1989 OUTPUT:
1744 RETVAL 1990 RETVAL
1745 1991
1746void 1992void
1747mmap (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)
1748 PPCODE: 1994 PPCODE:
1749 sv_unmagic (scalar, MMAP_MAGIC); 1995 sv_clear_foreign (scalar);
1750{ 1996{
1751 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;
1752 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 1998 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1753 if (addr == (void *)-1) 1999 if (addr == (void *)-1)
1754 XSRETURN_NO; 2000 XSRETURN_NO;
1755 2001
1756 sv_force_normal (scalar); 2002 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1757
1758 /* we store the length in mg_obj, as namlen is I32 :/ */
1759 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1760 ->mg_obj = (SV *)length;
1761
1762 SvUPGRADE (scalar, SVt_PV); /* nop... */
1763 2003
1764 if (!(prot & PROT_WRITE)) 2004 if (!(prot & PROT_WRITE))
1765 SvREADONLY_on (scalar); 2005 SvREADONLY_on (scalar);
1766 2006
1767 if (SvLEN (scalar))
1768 Safefree (SvPVX (scalar));
1769
1770 SvPVX (scalar) = (char *)addr;
1771 SvCUR_set (scalar, length);
1772 SvLEN_set (scalar, 0);
1773 SvPOK_only (scalar);
1774
1775 XSRETURN_YES; 2007 XSRETURN_YES;
1776} 2008}
1777 2009
1778void 2010void
1779munmap (SV *scalar) 2011munmap (SV *scalar)
1780 CODE: 2012 CODE:
1781 sv_unmagic (scalar, MMAP_MAGIC); 2013 sv_clear_foreign (scalar);
1782 2014
1783int 2015int
1784madvise (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)
1785 ALIAS: 2017 ALIAS:
1786 mprotect = 1 2018 mprotect = 1
1787 CODE: 2019 CODE:
1788{ 2020{
1789 STRLEN svlen; 2021 STRLEN svlen;
1790 void *addr = SvPVbyte (scalar, svlen); 2022 void *addr = SvPVbyte (scalar, svlen);
1791 size_t len = SvUV (length); 2023 STRLEN len = SvUV (length);
1792 2024
1793 if (offset < 0) 2025 if (offset < 0)
1794 offset += svlen; 2026 offset += svlen;
1795 2027
1796 if (offset < 0 || offset > svlen) 2028 if (offset < 0 || offset > svlen)
1810} 2042}
1811 OUTPUT: 2043 OUTPUT:
1812 RETVAL 2044 RETVAL
1813 2045
1814int 2046int
1815munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) 2047munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
1816 CODE: 2048 CODE:
1817{ 2049{
1818 STRLEN svlen; 2050 STRLEN svlen;
1819 void *addr = SvPVbyte (scalar, svlen); 2051 void *addr = SvPVbyte (scalar, svlen);
1820 size_t len = SvUV (length); 2052 size_t len = SvUV (length);
1892 errno = ENOSYS; 2124 errno = ENOSYS;
1893 RETVAL = -1; 2125 RETVAL = -1;
1894#endif 2126#endif
1895 OUTPUT: 2127 OUTPUT:
1896 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}
1897 2226
1898void _on_next_submit (SV *cb) 2227void _on_next_submit (SV *cb)
1899 CODE: 2228 CODE:
1900 SvREFCNT_dec (on_next_submit); 2229 SvREFCNT_dec (on_next_submit);
1901 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2230 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1936cancel (aio_req_ornot req) 2265cancel (aio_req_ornot req)
1937 CODE: 2266 CODE:
1938 eio_cancel (req); 2267 eio_cancel (req);
1939 2268
1940void 2269void
1941cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2270cb (aio_req_ornot req, SV *callback = NO_INIT)
1942 PPCODE: 2271 PPCODE:
1943{ 2272{
1944 if (GIMME_V != G_VOID) 2273 if (GIMME_V != G_VOID)
1945 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);
1946 2275
1947 if (items > 1) 2276 if (items > 1)
1948 { 2277 {
1949 SV *cb_cv =get_cb (callback); 2278 SV *cb_cv = get_cb (callback);
1950 2279
1951 SvREFCNT_dec (req->callback); 2280 SvREFCNT_dec (req->callback);
1952 req->callback = SvREFCNT_inc (cb_cv); 2281 req->callback = SvREFCNT_inc (cb_cv);
1953 } 2282 }
1954} 2283}
2011limit (aio_req grp, int limit) 2340limit (aio_req grp, int limit)
2012 CODE: 2341 CODE:
2013 eio_grp_limit (grp, limit); 2342 eio_grp_limit (grp, limit);
2014 2343
2015void 2344void
2016feed (aio_req grp, SV *callback=&PL_sv_undef) 2345feed (aio_req grp, SV *callback = &PL_sv_undef)
2017 CODE: 2346 CODE:
2018{ 2347{
2019 SvREFCNT_dec (grp->sv2); 2348 SvREFCNT_dec (grp->sv2);
2020 grp->sv2 = newSVsv (callback); 2349 grp->sv2 = newSVsv (callback);
2021 grp->feed = aio_grp_feed; 2350 grp->feed = aio_grp_feed;

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