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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 1.260 by root, Tue Jul 24 04:58:59 2018 UTC

4 4
5#include "EXTERN.h" 5#include "EXTERN.h"
6#include "perl.h" 6#include "perl.h"
7#include "XSUB.h" 7#include "XSUB.h"
8 8
9#include "schmorp.h" 9#if !defined mg_findext
10# define mg_findext(sv,type,vtbl) mg_find (sv, type)
11#endif
10 12
11#include <stddef.h> 13#include <stddef.h>
12#include <stdlib.h> 14#include <stdlib.h>
13#include <errno.h> 15#include <errno.h>
14#include <sys/types.h> 16#include <sys/types.h>
21# include <sys/mman.h> 23# include <sys/mman.h>
22#endif 24#endif
23 25
24/* the incompetent fool that created musl keeps __linux__, refuses 26/* the incompetent fool that created musl keeps __linux__, refuses
25 * to implement any linux standard apis, and also has no way to test 27 * 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. 28 * for his broken iplementation. don't complain to me if this fails
29 * for you.
27 */ 30 */
28#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__) 31#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
29# include <linux/fs.h> 32# include <linux/fs.h>
30# ifdef FS_IOC_FIEMAP 33# ifdef FS_IOC_FIEMAP
31# include <linux/types.h> 34# include <linux/types.h>
103#define expect_false(expr) expect ((expr) != 0, 0) 106#define expect_false(expr) expect ((expr) != 0, 0)
104#define expect_true(expr) expect ((expr) != 0, 1) 107#define expect_true(expr) expect ((expr) != 0, 1)
105 108
106/*****************************************************************************/ 109/*****************************************************************************/
107 110
111#include "libeio/config.h"
112
113#include "schmorp.h"
114
115#if HAVE_EVENTFD
116# include <sys/eventfd.h>
117#endif
118
119#if HAVE_TIMERFD
120# include <sys/timerfd.h>
121#endif
122
123#if HAVE_RLIMITS
124 #include <sys/time.h>
125 #include <sys/resource.h>
126#endif
127
108typedef SV SV8; /* byte-sv, used for argument-checking */ 128typedef SV SV8; /* byte-sv, used for argument-checking */
109typedef int aio_rfd; /* read file desriptor */ 129typedef int aio_rfd; /* read file desriptor */
110typedef int aio_wfd; /* write file descriptor */ 130typedef int aio_wfd; /* write file descriptor */
111 131
112static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash; 132static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
118 STRLEN stroffset; \ 138 STRLEN stroffset; \
119 SV *self; 139 SV *self;
120 140
121#define EIO_NO_WRAPPERS 1 141#define EIO_NO_WRAPPERS 1
122 142
123#include "libeio/config.h"
124#include "libeio/eio.h" 143#include "libeio/eio.h"
125 144
126static int req_invoke (eio_req *req); 145static int req_invoke (eio_req *req);
127#define EIO_FINISH(req) req_invoke (req) 146#define EIO_FINISH(req) req_invoke (req)
128static void req_destroy (eio_req *grp); 147static void req_destroy (eio_req *grp);
144# else 163# else
145# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 164# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
146# endif 165# endif
147#endif 166#endif
148 167
149/* defines all sorts of constants to 0 unless they are already defined */
150#include "def0.h"
151
152#ifndef makedev 168#ifndef makedev
153# define makedev(maj,min) (((maj) << 8) | (min)) 169# define makedev(maj,min) (((maj) << 8) | (min))
154#endif 170#endif
155#ifndef major 171#ifndef major
156# define major(dev) ((dev) >> 8) 172# define major(dev) ((dev) >> 8)
160#endif 176#endif
161 177
162#if PAGESIZE <= 0 178#if PAGESIZE <= 0
163# define PAGESIZE sysconf (_SC_PAGESIZE) 179# define PAGESIZE sysconf (_SC_PAGESIZE)
164#endif 180#endif
181
182/*****************************************************************************/
183
184#if !_POSIX_MAPPED_FILES
185# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
186# define munmap(addr,length) EIO_ENOSYS ()
187#endif
188
189#if !_POSIX_MEMORY_PROTECTION
190# define mprotect(addr,len,prot) EIO_ENOSYS ()
191#endif
192
193#if !MREMAP_MAYMOVE
194# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
195#endif
196
197#define FOREIGN_MAGIC PERL_MAGIC_ext
198
199static int ecb_cold
200mmap_free (pTHX_ SV *sv, MAGIC *mg)
201{
202 int old_errno = errno;
203 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
204 errno = old_errno;
205
206 mg->mg_obj = 0; /* just in case */
207
208 SvREADONLY_off (sv);
209
210 if (SvPVX (sv) != mg->mg_ptr)
211 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
212
213 SvCUR_set (sv, 0);
214 SvPVX (sv) = 0;
215 SvOK_off (sv);
216
217 return 0;
218}
219
220static MGVTBL mmap_vtbl = {
221 0, 0, 0, 0, mmap_free
222};
223
224static int ecb_cold
225sysfree_free (pTHX_ SV *sv, MAGIC *mg)
226{
227 free (mg->mg_ptr);
228 mg->mg_obj = 0; /* just in case */
229
230 SvREADONLY_off (sv);
231
232 if (SvPVX (sv) != mg->mg_ptr)
233 croak ("ERROR: IO::AIO mapped scalar changed location, detected");
234
235 SvCUR_set (sv, 0);
236 SvPVX (sv) = 0;
237 SvOK_off (sv);
238
239 return 0;
240}
241
242static MGVTBL sysfree_vtbl = {
243 0, 0, 0, 0, sysfree_free
244};
245
246/*****************************************************************************/
247
248/* helper: set scalar to foreign ptr with custom free */
249static void
250sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
251{
252 sv_force_normal (sv);
253
254 /* we store the length in mg_obj, as namlen is I32 :/ */
255 sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
256 ->mg_obj = (SV *)length;
257
258 SvUPGRADE (sv, SVt_PV); /* nop... */
259
260 if (SvLEN (sv))
261 Safefree (SvPVX (sv));
262
263 SvPVX (sv) = (char *)addr;
264 SvCUR_set (sv, length);
265 SvLEN_set (sv, 0);
266 SvPOK_only (sv);
267}
268
269static void
270sv_clear_foreign (SV *sv)
271{
272 /* todo: iterate over magic and only free ours, but of course */
273 /* the perl5porters will call that (correct) behaviour buggy */
274 sv_unmagic (sv, FOREIGN_MAGIC);
275}
276
277/*****************************************************************************/
278
279/* defines all sorts of constants to 0 unless they are already defined */
280/* also provides const_iv_ and const_niv_ macros for them */
281#include "def0.h"
165 282
166/*****************************************************************************/ 283/*****************************************************************************/
167 284
168static void 285static void
169fiemap (eio_req *req) 286fiemap (eio_req *req)
308} 425}
309 426
310static SV * 427static SV *
311newSVaio_wd (aio_wd wd) 428newSVaio_wd (aio_wd wd)
312{ 429{
313 return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash); 430 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
314} 431}
315 432
316static aio_req 433static aio_req
317SvAIO_REQ (SV *sv) 434SvAIO_REQ (SV *sv)
318{ 435{
337 || SvTYPE (SvRV (sv)) != SVt_PVMG 454 || SvTYPE (SvRV (sv)) != SVt_PVMG
338 || SvSTASH (SvRV (sv)) != aio_wd_stash) 455 || SvSTASH (SvRV (sv)) != aio_wd_stash)
339 croak ("IO::AIO: expected a working directory object as returned by aio_wd"); 456 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
340 457
341 return (aio_wd)(long)SvIVX (SvRV (sv)); 458 return (aio_wd)(long)SvIVX (SvRV (sv));
459}
460
461static SV *
462newmortalFH (int fd, int flags)
463{
464 if (fd < 0)
465 return &PL_sv_undef;
466
467 GV *gv = (GV *)sv_newmortal ();
468 char sym[64];
469 int symlen;
470
471 symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
472 gv_init (gv, aio_stash, sym, symlen, 0);
473
474 symlen = snprintf (
475 sym,
476 sizeof (sym),
477 "%s&=%d",
478 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
479 fd
480 );
481
482 return do_open (gv, sym, symlen, 0, 0, 0, 0)
483 ? (SV *)gv : &PL_sv_undef;
342} 484}
343 485
344static void 486static void
345aio_grp_feed (aio_req grp) 487aio_grp_feed (aio_req grp)
346{ 488{
474 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); 616 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
475 } 617 }
476 break; 618 break;
477 619
478 case EIO_OPEN: 620 case EIO_OPEN:
479 { 621 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; 622 break;
508 623
509 case EIO_STATVFS: 624 case EIO_STATVFS:
510 case EIO_FSTATVFS: 625 case EIO_FSTATVFS:
511 { 626 {
591 SvSETMAGIC (req->sv2); 706 SvSETMAGIC (req->sv2);
592 PUSHs (sv_result); 707 PUSHs (sv_result);
593 } 708 }
594 break; 709 break;
595 710
711 case EIO_SLURP:
712 {
713 if (req->result >= 0)
714 {
715 /* if length was originally not known, we steal the malloc'ed memory */
716 if (req->flags & EIO_FLAG_PTR2_FREE)
717 {
718 req->flags &= ~EIO_FLAG_PTR2_FREE;
719 sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
720 }
721 else
722 {
723 SvCUR_set (req->sv2, req->result);
724 *SvEND (req->sv2) = 0;
725 SvPOK_only (req->sv2);
726 }
727
728 SvSETMAGIC (req->sv2);
729 }
730
731 PUSHs (sv_result);
732 }
733 break;
734
596 case EIO_CUSTOM: 735 case EIO_CUSTOM:
597 if (req->feed == fiemap) 736 if (req->feed == fiemap)
598 { 737 {
599#if HAVE_FIEMAP 738#if HAVE_FIEMAP
600 if (!req->result) 739 if (!req->result)
705{ 844{
706 while (eio_nreqs ()) 845 while (eio_nreqs ())
707 { 846 {
708 int size; 847 int size;
709 848
710 X_LOCK (reslock); 849 X_LOCK (EIO_POOL->reslock);
711 size = res_queue.size; 850 size = EIO_POOL->res_queue.size;
712 X_UNLOCK (reslock); 851 X_UNLOCK (EIO_POOL->reslock);
713 852
714 if (size) 853 if (size)
715 return; 854 return;
716 855
717 etp_maybe_start_thread (); 856 etp_maybe_start_thread (EIO_POOL);
718 857
719 s_epipe_wait (&respipe); 858 s_epipe_wait (&respipe);
720 } 859 }
721} 860}
722 861
743 create_respipe (); 882 create_respipe ();
744 883
745 if (eio_init (want_poll, done_poll) < 0) 884 if (eio_init (want_poll, done_poll) < 0)
746 croak ("IO::AIO: unable to initialise eio library"); 885 croak ("IO::AIO: unable to initialise eio library");
747} 886}
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};
791 887
792/*****************************************************************************/ 888/*****************************************************************************/
793 889
794static SV * 890static SV *
795get_cb (SV *cb_sv) 891get_cb (SV *cb_sv)
891 req_set_path1 (req, fh_or_path); 987 req_set_path1 (req, fh_or_path);
892 break; 988 break;
893 } 989 }
894} 990}
895 991
992/*****************************************************************************/
993
994static void
995ts_set (struct timespec *ts, NV value)
996{
997 ts->tv_sec = value;
998 ts->tv_nsec = (value - ts->tv_sec) * 1e9;
999}
1000
1001static NV
1002ts_get (const struct timespec *ts)
1003{
1004 return ts->tv_sec + ts->tv_nsec * 1e-9;
1005}
1006
1007/*****************************************************************************/
1008
896XS(boot_IO__AIO) ecb_cold; 1009XS(boot_IO__AIO) ecb_cold;
897 1010
898MODULE = IO::AIO PACKAGE = IO::AIO 1011MODULE = IO::AIO PACKAGE = IO::AIO
899 1012
900PROTOTYPES: ENABLE 1013PROTOTYPES: ENABLE
907 } *civ, const_iv[] = { 1020 } *civ, const_iv[] = {
908# define const_niv(name, value) { # name, (IV) value }, 1021# define const_niv(name, value) { # name, (IV) value },
909# define const_iv(name) { # name, (IV) name }, 1022# define const_iv(name) { # name, (IV) name },
910# define const_eio(name) { # name, (IV) EIO_ ## name }, 1023# define const_eio(name) { # name, (IV) EIO_ ## name },
911 1024
912 /* you have to re-run ./gendef0 after adding/Removing any constants here */ 1025 /* you have to re-run ./gendef0 after adding/removing any constants here */
913 1026 /* the first block can be undef if missing */
914 const_iv (ENOSYS) 1027 const_iv (ENOSYS)
915 const_iv (EXDEV) 1028 const_iv (EXDEV)
916 const_iv (EBADR) 1029 const_iv (EBADR)
1030
1031 /* for lseek */
1032 const_iv (SEEK_DATA)
1033 const_iv (SEEK_HOLE)
1034
1035 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
1036 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
1037 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
1038 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
1039 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
1040 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
1041
1042 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
1043 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
1044 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1045 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1046 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1047
1048 /* the second block will be 0 when missing */
1049 const_iv (O_ACCMODE)
917 1050
918 const_iv (O_RDONLY) 1051 const_iv (O_RDONLY)
919 const_iv (O_WRONLY) 1052 const_iv (O_WRONLY)
920 const_iv (O_RDWR) 1053 const_iv (O_RDWR)
921 const_iv (O_CREAT) 1054 const_iv (O_CREAT)
935 const_iv (O_SEARCH) 1068 const_iv (O_SEARCH)
936 const_iv (O_DIRECTORY) 1069 const_iv (O_DIRECTORY)
937 const_iv (O_DSYNC) 1070 const_iv (O_DSYNC)
938 const_iv (O_RSYNC) 1071 const_iv (O_RSYNC)
939 const_iv (O_SYNC) 1072 const_iv (O_SYNC)
1073 const_iv (O_PATH)
1074 const_iv (O_TMPFILE)
940 const_iv (O_TTY_INIT) 1075 const_iv (O_TTY_INIT)
941 1076
942 const_iv (S_IFIFO) 1077 const_iv (S_IFIFO)
943 const_iv (S_IFCHR) 1078 const_iv (S_IFCHR)
944 const_iv (S_IFBLK) 1079 const_iv (S_IFBLK)
946 const_iv (S_IFREG) 1081 const_iv (S_IFREG)
947 const_iv (S_IFDIR) 1082 const_iv (S_IFDIR)
948 const_iv (S_IFWHT) 1083 const_iv (S_IFWHT)
949 const_iv (S_IFSOCK) 1084 const_iv (S_IFSOCK)
950 const_iv (S_IFMT) 1085 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 1086
965 const_iv (ST_RDONLY) 1087 const_iv (ST_RDONLY)
966 const_iv (ST_NOSUID) 1088 const_iv (ST_NOSUID)
967 const_iv (ST_NODEV) 1089 const_iv (ST_NODEV)
968 const_iv (ST_NOEXEC) 1090 const_iv (ST_NOEXEC)
978 const_iv (PROT_NONE) 1100 const_iv (PROT_NONE)
979 const_iv (PROT_EXEC) 1101 const_iv (PROT_EXEC)
980 const_iv (PROT_READ) 1102 const_iv (PROT_READ)
981 const_iv (PROT_WRITE) 1103 const_iv (PROT_WRITE)
982 1104
983 /*const_iv (MAP_FIXED)*/
984 const_iv (MAP_PRIVATE) 1105 const_iv (MAP_PRIVATE)
985 const_iv (MAP_SHARED) 1106 const_iv (MAP_SHARED)
1107 const_iv (MAP_FIXED)
986 const_iv (MAP_ANONYMOUS) 1108 const_iv (MAP_ANONYMOUS)
987 1109
988 /* linuxish */ 1110 /* linuxish */
989 const_iv (MAP_HUGETLB)
990 const_iv (MAP_LOCKED) 1111 const_iv (MAP_LOCKED)
991 const_iv (MAP_NORESERVE) 1112 const_iv (MAP_NORESERVE)
992 const_iv (MAP_POPULATE) 1113 const_iv (MAP_POPULATE)
993 const_iv (MAP_NONBLOCK) 1114 const_iv (MAP_NONBLOCK)
1115 const_iv (MAP_GROWSDOWN)
1116 const_iv (MAP_32BIT)
1117 const_iv (MAP_HUGETLB)
1118 const_iv (MAP_STACK)
1119
1120 const_iv (MREMAP_MAYMOVE)
1121 const_iv (MREMAP_FIXED)
1122
1123 const_iv (F_DUPFD_CLOEXEC)
1124
1125 const_iv (F_OFD_GETLK)
1126 const_iv (F_OFD_SETLK)
1127 const_iv (F_OFD_GETLKW)
1128
1129 const_iv (FIFREEZE)
1130 const_iv (FITHAW)
1131 const_iv (FITRIM)
1132 const_iv (FICLONE)
1133 const_iv (FICLONERANGE)
1134 const_iv (FIDEDUPERANGE)
1135
1136 const_iv (FS_IOC_GETFLAGS)
1137 const_iv (FS_IOC_SETFLAGS)
1138 const_iv (FS_IOC_GETVERSION)
1139 const_iv (FS_IOC_SETVERSION)
1140 const_iv (FS_IOC_FIEMAP)
1141 const_iv (FS_IOC_FSGETXATTR)
1142 const_iv (FS_IOC_FSSETXATTR)
1143 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1144 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1145 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1146
1147 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1148
1149 const_iv (FS_SECRM_FL)
1150 const_iv (FS_UNRM_FL)
1151 const_iv (FS_COMPR_FL)
1152 const_iv (FS_SYNC_FL)
1153 const_iv (FS_IMMUTABLE_FL)
1154 const_iv (FS_APPEND_FL)
1155 const_iv (FS_NODUMP_FL)
1156 const_iv (FS_NOATIME_FL)
1157 const_iv (FS_DIRTY_FL)
1158 const_iv (FS_COMPRBLK_FL)
1159 const_iv (FS_NOCOMP_FL)
1160 const_iv (FS_ENCRYPT_FL)
1161 const_iv (FS_BTREE_FL)
1162 const_iv (FS_INDEX_FL)
1163 const_iv (FS_JOURNAL_DATA_FL)
1164 const_iv (FS_NOTAIL_FL)
1165 const_iv (FS_DIRSYNC_FL)
1166 const_iv (FS_TOPDIR_FL)
1167 const_iv (FS_FL_USER_MODIFIABLE)
1168
1169 const_iv (FS_XFLAG_REALTIME)
1170 const_iv (FS_XFLAG_PREALLOC)
1171 const_iv (FS_XFLAG_IMMUTABLE)
1172 const_iv (FS_XFLAG_APPEND)
1173 const_iv (FS_XFLAG_SYNC)
1174 const_iv (FS_XFLAG_NOATIME)
1175 const_iv (FS_XFLAG_NODUMP)
1176 const_iv (FS_XFLAG_RTINHERIT)
1177 const_iv (FS_XFLAG_PROJINHERIT)
1178 const_iv (FS_XFLAG_NOSYMLINKS)
1179 const_iv (FS_XFLAG_EXTSIZE)
1180 const_iv (FS_XFLAG_EXTSZINHERIT)
1181 const_iv (FS_XFLAG_NODEFRAG)
1182 const_iv (FS_XFLAG_FILESTREAM)
1183 const_iv (FS_XFLAG_DAX)
1184 const_iv (FS_XFLAG_HASATTR)
994 1185
995 const_iv (FIEMAP_FLAG_SYNC) 1186 const_iv (FIEMAP_FLAG_SYNC)
996 const_iv (FIEMAP_FLAG_XATTR) 1187 const_iv (FIEMAP_FLAG_XATTR)
997 const_iv (FIEMAP_FLAGS_COMPAT) 1188 const_iv (FIEMAP_FLAGS_COMPAT)
998 const_iv (FIEMAP_EXTENT_LAST) 1189 const_iv (FIEMAP_EXTENT_LAST)
1010 const_iv (SPLICE_F_MOVE) 1201 const_iv (SPLICE_F_MOVE)
1011 const_iv (SPLICE_F_NONBLOCK) 1202 const_iv (SPLICE_F_NONBLOCK)
1012 const_iv (SPLICE_F_MORE) 1203 const_iv (SPLICE_F_MORE)
1013 const_iv (SPLICE_F_GIFT) 1204 const_iv (SPLICE_F_GIFT)
1014 1205
1015 const_iv (SEEK_DATA) 1206 const_iv (EFD_CLOEXEC)
1207 const_iv (EFD_NONBLOCK)
1016 const_iv (SEEK_HOLE) 1208 const_iv (EFD_SEMAPHORE)
1017 1209
1018 /* libeio constants */ 1210 const_iv (CLOCK_REALTIME)
1211 const_iv (CLOCK_MONOTONIC)
1212 const_iv (CLOCK_BOOTTIME)
1213 const_iv (CLOCK_REALTIME_ALARM)
1214 const_iv (CLOCK_BOOTTIME_ALARM)
1215
1216 const_iv (TFD_NONBLOCK)
1217 const_iv (TFD_CLOEXEC)
1218
1219 const_iv (TFD_TIMER_ABSTIME)
1220 const_iv (TFD_TIMER_CANCEL_ON_SET)
1221
1222 /* these are libeio constants, and are independent of gendef0 */
1019 const_eio (SEEK_SET) 1223 const_eio (SEEK_SET)
1020 const_eio (SEEK_CUR) 1224 const_eio (SEEK_CUR)
1021 const_eio (SEEK_END) 1225 const_eio (SEEK_END)
1022 1226
1023 const_eio (MCL_FUTURE) 1227 const_eio (MCL_FUTURE)
1033 const_eio (SYNC_FILE_RANGE_WRITE) 1237 const_eio (SYNC_FILE_RANGE_WRITE)
1034 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1238 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1035 1239
1036 const_eio (FALLOC_FL_KEEP_SIZE) 1240 const_eio (FALLOC_FL_KEEP_SIZE)
1037 const_eio (FALLOC_FL_PUNCH_HOLE) 1241 const_eio (FALLOC_FL_PUNCH_HOLE)
1242 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1243 const_eio (FALLOC_FL_ZERO_RANGE)
1244 const_eio (FALLOC_FL_INSERT_RANGE)
1245 const_eio (FALLOC_FL_UNSHARE_RANGE)
1246
1247 const_eio (RENAME_NOREPLACE)
1248 const_eio (RENAME_EXCHANGE)
1249 const_eio (RENAME_WHITEOUT)
1038 1250
1039 const_eio (READDIR_DENTS) 1251 const_eio (READDIR_DENTS)
1040 const_eio (READDIR_DIRS_FIRST) 1252 const_eio (READDIR_DIRS_FIRST)
1041 const_eio (READDIR_STAT_ORDER) 1253 const_eio (READDIR_STAT_ORDER)
1042 const_eio (READDIR_FOUND_UNKNOWN) 1254 const_eio (READDIR_FOUND_UNKNOWN)
1110 PROTOTYPE: $ 1322 PROTOTYPE: $
1111 CODE: 1323 CODE:
1112 max_outstanding = maxreqs; 1324 max_outstanding = maxreqs;
1113 1325
1114void 1326void
1115aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef) 1327aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
1116 PPCODE: 1328 PPCODE:
1117{ 1329{
1118 dREQ; 1330 dREQ;
1119 1331
1120 req->type = EIO_WD_OPEN; 1332 req->type = EIO_WD_OPEN;
1122 1334
1123 REQ_SEND; 1335 REQ_SEND;
1124} 1336}
1125 1337
1126void 1338void
1127aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1339aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1128 PPCODE: 1340 PPCODE:
1129{ 1341{
1130 dREQ; 1342 dREQ;
1131 1343
1132 req->type = EIO_OPEN; 1344 req->type = EIO_OPEN;
1136 1348
1137 REQ_SEND; 1349 REQ_SEND;
1138} 1350}
1139 1351
1140void 1352void
1141aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1353aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
1142 ALIAS: 1354 ALIAS:
1143 aio_fsync = EIO_FSYNC 1355 aio_fsync = EIO_FSYNC
1144 aio_fdatasync = EIO_FDATASYNC 1356 aio_fdatasync = EIO_FDATASYNC
1145 aio_syncfs = EIO_SYNCFS 1357 aio_syncfs = EIO_SYNCFS
1146 PPCODE: 1358 PPCODE:
1154 1366
1155 REQ_SEND; 1367 REQ_SEND;
1156} 1368}
1157 1369
1158void 1370void
1159aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1371aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
1160 PPCODE: 1372 PPCODE:
1161{ 1373{
1162 int fd = s_fileno_croak (fh, 0); 1374 int fd = s_fileno_croak (fh, 0);
1163 dREQ; 1375 dREQ;
1164 1376
1171 1383
1172 REQ_SEND; 1384 REQ_SEND;
1173} 1385}
1174 1386
1175void 1387void
1176aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef) 1388aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
1177 PPCODE: 1389 PPCODE:
1178{ 1390{
1179 int fd = s_fileno_croak (fh, 0); 1391 int fd = s_fileno_croak (fh, 0);
1180 dREQ; 1392 dREQ;
1181 1393
1188 1400
1189 REQ_SEND; 1401 REQ_SEND;
1190} 1402}
1191 1403
1192void 1404void
1193aio_close (SV *fh, SV *callback=&PL_sv_undef) 1405aio_close (SV *fh, SV *callback = &PL_sv_undef)
1194 PPCODE: 1406 PPCODE:
1195{ 1407{
1196 static int close_fd = -1; /* dummy fd to close fds via dup2 */ 1408 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1197 int fd = s_fileno_croak (fh, 0); 1409 int fd = s_fileno_croak (fh, 0);
1198 dREQ; 1410 dREQ;
1222 1434
1223 REQ_SEND; 1435 REQ_SEND;
1224} 1436}
1225 1437
1226void 1438void
1227aio_seek (SV *fh, SV *offset, int whence, SV *callback=&PL_sv_undef) 1439aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1228 PPCODE: 1440 PPCODE:
1229{ 1441{
1230 int fd = s_fileno_croak (fh, 0); 1442 int fd = s_fileno_croak (fh, 0);
1231 dREQ; 1443 dREQ;
1232 1444
1238 1450
1239 REQ_SEND; 1451 REQ_SEND;
1240} 1452}
1241 1453
1242void 1454void
1243aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1455aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
1244 ALIAS: 1456 ALIAS:
1245 aio_read = EIO_READ 1457 aio_read = EIO_READ
1246 aio_write = EIO_WRITE 1458 aio_write = EIO_WRITE
1247 PPCODE: 1459 PPCODE:
1248{ 1460{
1264 len = svlen - dataoffset; 1476 len = svlen - dataoffset;
1265 } 1477 }
1266 else 1478 else
1267 { 1479 {
1268 /* read: check type and grow scalar as necessary */ 1480 /* read: check type and grow scalar as necessary */
1269 SvUPGRADE (data, SVt_PV);
1270 if (SvLEN (data) >= SvCUR (data)) 1481 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1271 svptr = SvGROW (data, len + dataoffset + 1); 1482 svptr = sv_grow (data, len + dataoffset + 1);
1272 else if (SvCUR (data) < len + dataoffset) 1483 else if (SvCUR (data) < len + dataoffset)
1273 croak ("length + dataoffset outside of scalar, and cannot grow"); 1484 croak ("length + dataoffset outside of scalar, and cannot grow");
1274 } 1485 }
1275 1486
1276 { 1487 {
1294 REQ_SEND; 1505 REQ_SEND;
1295 } 1506 }
1296} 1507}
1297 1508
1298void 1509void
1510aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
1511 ALIAS:
1512 aio_ioctl = EIO_IOCTL
1513 aio_fcntl = EIO_FCNTL
1514 PPCODE:
1515{
1516 int fd = s_fileno_croak (fh, 0);
1517 char *svptr;
1518
1519 if (SvPOK (arg) || !SvNIOK (arg))
1520 {
1521 STRLEN svlen;
1522 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1523#ifdef IOCPARM_LEN
1524 STRLEN need = IOCPARM_LEN (request);
1525#else
1526 STRLEN need = 256;
1527#endif
1528
1529 if (svlen < need)
1530 svptr = SvGROW (arg, need);
1531 }
1532 else
1533 svptr = (char *)SvIV (arg);
1534
1535 {
1536 dREQ;
1537
1538 req->type = ix;
1539 req->sv1 = newSVsv (fh);
1540 req->int1 = fd;
1541 req->int2 = (long)request;
1542 req->sv2 = SvREFCNT_inc (arg);
1543 req->ptr2 = svptr;
1544
1545 REQ_SEND;
1546 }
1547}
1548
1549void
1299aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1550aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1300 ALIAS: 1551 ALIAS:
1301 aio_readlink = EIO_READLINK 1552 aio_readlink = EIO_READLINK
1302 aio_realpath = EIO_REALPATH 1553 aio_realpath = EIO_REALPATH
1303 PPCODE: 1554 PPCODE:
1304{ 1555{
1309 1560
1310 REQ_SEND; 1561 REQ_SEND;
1311} 1562}
1312 1563
1313void 1564void
1314aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1565aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1315 PPCODE: 1566 PPCODE:
1316{ 1567{
1317 int ifd = s_fileno_croak (in_fh , 0); 1568 int ifd = s_fileno_croak (in_fh , 0);
1318 int ofd = s_fileno_croak (out_fh, 1); 1569 int ofd = s_fileno_croak (out_fh, 1);
1319 dREQ; 1570 dREQ;
1328 1579
1329 REQ_SEND; 1580 REQ_SEND;
1330} 1581}
1331 1582
1332void 1583void
1333aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1584aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1334 PPCODE: 1585 PPCODE:
1335{ 1586{
1336 int fd = s_fileno_croak (fh, 0); 1587 int fd = s_fileno_croak (fh, 0);
1337 dREQ; 1588 dREQ;
1338 1589
1344 1595
1345 REQ_SEND; 1596 REQ_SEND;
1346} 1597}
1347 1598
1348void 1599void
1349aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1600aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1350 ALIAS: 1601 ALIAS:
1351 aio_stat = EIO_STAT 1602 aio_stat = EIO_STAT
1352 aio_lstat = EIO_LSTAT 1603 aio_lstat = EIO_LSTAT
1353 aio_statvfs = EIO_STATVFS 1604 aio_statvfs = EIO_STATVFS
1354 PPCODE: 1605 PPCODE:
1363UV 1614UV
1364major (UV dev) 1615major (UV dev)
1365 ALIAS: 1616 ALIAS:
1366 minor = 1 1617 minor = 1
1367 CODE: 1618 CODE:
1368 RETVAL = ix ? major (dev) : minor (dev); 1619 RETVAL = ix ? minor (dev) : major (dev);
1369 OUTPUT: 1620 OUTPUT:
1370 RETVAL 1621 RETVAL
1371 1622
1372UV 1623UV
1373makedev (UV maj, UV min) 1624makedev (UV maj, UV min)
1375 RETVAL = makedev (maj, min); 1626 RETVAL = makedev (maj, min);
1376 OUTPUT: 1627 OUTPUT:
1377 RETVAL 1628 RETVAL
1378 1629
1379void 1630void
1380aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1631aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1381 PPCODE: 1632 PPCODE:
1382{ 1633{
1383 dREQ; 1634 dREQ;
1384 1635
1385 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1636 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1388 1639
1389 REQ_SEND; 1640 REQ_SEND;
1390} 1641}
1391 1642
1392void 1643void
1393aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1644aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1394 PPCODE: 1645 PPCODE:
1395{ 1646{
1396 dREQ; 1647 dREQ;
1397 1648
1398 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1649 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1400 1651
1401 REQ_SEND; 1652 REQ_SEND;
1402} 1653}
1403 1654
1404void 1655void
1405aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1656aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1406 PPCODE: 1657 PPCODE:
1407{ 1658{
1408 dREQ; 1659 dREQ;
1409 1660
1410 req->int2 = mode; 1661 req->int2 = mode;
1412 1663
1413 REQ_SEND; 1664 REQ_SEND;
1414} 1665}
1415 1666
1416void 1667void
1417aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1668aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1418 PPCODE: 1669 PPCODE:
1419{ 1670{
1420 dREQ; 1671 dREQ;
1421 1672
1422 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1673 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1425 1676
1426 REQ_SEND; 1677 REQ_SEND;
1427} 1678}
1428 1679
1429void 1680void
1430aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1681aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1431 PPCODE: 1682 PPCODE:
1432{ 1683{
1433 dREQ; 1684 dREQ;
1434 1685
1435 req->type = EIO_READDIR; 1686 req->type = EIO_READDIR;
1442 1693
1443 REQ_SEND; 1694 REQ_SEND;
1444} 1695}
1445 1696
1446void 1697void
1447aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef) 1698aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1448 PPCODE: 1699 PPCODE:
1449{ 1700{
1450 dREQ; 1701 dREQ;
1451 1702
1452 req->type = EIO_MKDIR; 1703 req->type = EIO_MKDIR;
1455 1706
1456 REQ_SEND; 1707 REQ_SEND;
1457} 1708}
1458 1709
1459void 1710void
1460aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1711aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1461 ALIAS: 1712 ALIAS:
1462 aio_unlink = EIO_UNLINK 1713 aio_unlink = EIO_UNLINK
1463 aio_rmdir = EIO_RMDIR 1714 aio_rmdir = EIO_RMDIR
1464 aio_readdir = EIO_READDIR 1715 aio_readdir = EIO_READDIR
1465 PPCODE: 1716 PPCODE:
1471 1722
1472 REQ_SEND; 1723 REQ_SEND;
1473} 1724}
1474 1725
1475void 1726void
1476aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1727aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1477 ALIAS: 1728 ALIAS:
1478 aio_link = EIO_LINK 1729 aio_link = EIO_LINK
1479 aio_symlink = EIO_SYMLINK 1730 aio_symlink = EIO_SYMLINK
1480 aio_rename = EIO_RENAME 1731 aio_rename = EIO_RENAME
1481 PPCODE: 1732 PPCODE:
1490 1741
1491 REQ_SEND; 1742 REQ_SEND;
1492} 1743}
1493 1744
1494void 1745void
1746aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
1747 PPCODE:
1748{
1749 eio_wd wd2 = 0;
1750 dREQ;
1751
1752 req->type = EIO_RENAME;
1753 req_set_path1 (req, oldpath);
1754 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1755 req->int2 = flags;
1756 req->int3 = (long)wd2;
1757
1758 REQ_SEND;
1759}
1760
1761void
1495aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 1762aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1496 PPCODE: 1763 PPCODE:
1497{ 1764{
1498 dREQ; 1765 dREQ;
1499 1766
1500 req->type = EIO_MKNOD; 1767 req->type = EIO_MKNOD;
1504 1771
1505 REQ_SEND; 1772 REQ_SEND;
1506} 1773}
1507 1774
1508void 1775void
1509aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1776aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1510 ALIAS: 1777 ALIAS:
1511 aio_mtouch = EIO_MTOUCH 1778 aio_mtouch = EIO_MTOUCH
1512 aio_msync = EIO_MSYNC 1779 aio_msync = EIO_MSYNC
1513 PPCODE: 1780 PPCODE:
1514{ 1781{
1515 STRLEN svlen; 1782 STRLEN svlen;
1516 char *svptr = SvPVbyte (data, svlen); 1783 char *svptr = SvPVbyte (data, svlen);
1517 UV len = SvUV (length); 1784 UV len = SvUV (length);
1785
1786 if (flags < 0)
1787 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1518 1788
1519 if (offset < 0) 1789 if (offset < 0)
1520 offset += svlen; 1790 offset += svlen;
1521 1791
1522 if (offset < 0 || offset > svlen) 1792 if (offset < 0 || offset > svlen)
1537 REQ_SEND; 1807 REQ_SEND;
1538 } 1808 }
1539} 1809}
1540 1810
1541void 1811void
1542aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef) 1812aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1543 PPCODE: 1813 PPCODE:
1544{ 1814{
1545 STRLEN svlen; 1815 STRLEN svlen;
1546 char *svptr = SvPVbyte (data, svlen); 1816 char *svptr = SvPVbyte (data, svlen);
1547 UV len = SvUV (length); 1817 UV len = SvUV (length);
1566 REQ_SEND; 1836 REQ_SEND;
1567 } 1837 }
1568} 1838}
1569 1839
1570void 1840void
1571aio_mlockall (IV flags, SV *callback=&PL_sv_undef) 1841aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1572 PPCODE: 1842 PPCODE:
1573{ 1843{
1574 dREQ; 1844 dREQ;
1575 1845
1576 req->type = EIO_MLOCKALL; 1846 req->type = EIO_MLOCKALL;
1578 1848
1579 REQ_SEND; 1849 REQ_SEND;
1580} 1850}
1581 1851
1582void 1852void
1583aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback=&PL_sv_undef) 1853aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
1584 PPCODE: 1854 PPCODE:
1585{ 1855{
1586 int fd = s_fileno_croak (fh, 0); 1856 int fd = s_fileno_croak (fh, 0);
1587 dREQ; 1857 dREQ;
1588 1858
1601 1871
1602 REQ_SEND; 1872 REQ_SEND;
1603} 1873}
1604 1874
1605void 1875void
1876aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
1877 PPCODE:
1878{
1879 char *svptr = 0;
1880
1881 sv_clear_foreign (data);
1882
1883 if (length) /* known length, directly read into scalar */
1884 {
1885 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1886 svptr = sv_grow (data, length + 1);
1887 else if (SvCUR (data) < length)
1888 croak ("length outside of scalar, and cannot grow");
1889 else
1890 svptr = SvPVbyte_nolen (data);
1891 }
1892
1893 {
1894 dREQ;
1895
1896 req->type = EIO_SLURP;
1897 req_set_path1 (req, pathname);
1898 req->offs = offset;
1899 req->size = length;
1900 req->sv2 = SvREFCNT_inc (data);
1901 req->ptr2 = svptr;
1902
1903 if (!SvREADONLY (data))
1904 {
1905 SvREADONLY_on (data);
1906 req->flags |= FLAG_SV2_RO_OFF;
1907 }
1908
1909 REQ_SEND;
1910 }
1911}
1912
1913void
1606aio_busy (double delay, SV *callback=&PL_sv_undef) 1914aio_busy (double delay, SV *callback = &PL_sv_undef)
1607 PPCODE: 1915 PPCODE:
1608{ 1916{
1609 dREQ; 1917 dREQ;
1610 1918
1611 req->type = EIO_BUSY; 1919 req->type = EIO_BUSY;
1613 1921
1614 REQ_SEND; 1922 REQ_SEND;
1615} 1923}
1616 1924
1617void 1925void
1618aio_group (SV *callback=&PL_sv_undef) 1926aio_group (SV *callback = &PL_sv_undef)
1619 PPCODE: 1927 PPCODE:
1620{ 1928{
1621 dREQ; 1929 dREQ;
1622 1930
1623 req->type = EIO_GROUP; 1931 req->type = EIO_GROUP;
1628 1936
1629 XPUSHs (req_sv (req, aio_grp_stash)); 1937 XPUSHs (req_sv (req, aio_grp_stash));
1630} 1938}
1631 1939
1632void 1940void
1633aio_nop (SV *callback=&PL_sv_undef) 1941aio_nop (SV *callback = &PL_sv_undef)
1634 ALIAS: 1942 ALIAS:
1635 aio_nop = EIO_NOP 1943 aio_nop = EIO_NOP
1636 aio_sync = EIO_SYNC 1944 aio_sync = EIO_SYNC
1637 PPCODE: 1945 PPCODE:
1638{ 1946{
1642 1950
1643 REQ_SEND; 1951 REQ_SEND;
1644} 1952}
1645 1953
1646int 1954int
1647aioreq_pri (int pri = 0) 1955aioreq_pri (int pri = NO_INIT)
1648 CODE: 1956 CODE:
1649 RETVAL = next_pri; 1957 RETVAL = next_pri;
1650 if (items > 0) 1958 if (items > 0)
1651 { 1959 {
1652 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1960 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
1742 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 2050 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1743 OUTPUT: 2051 OUTPUT:
1744 RETVAL 2052 RETVAL
1745 2053
1746void 2054void
1747mmap (SV *scalar, size_t length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0) 2055mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1748 PPCODE: 2056 PPCODE:
1749 sv_unmagic (scalar, MMAP_MAGIC); 2057 sv_clear_foreign (scalar);
1750{ 2058{
1751 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 2059 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1752 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 2060 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1753 if (addr == (void *)-1) 2061 if (addr == (void *)-1)
1754 XSRETURN_NO; 2062 XSRETURN_NO;
1755 2063
1756 sv_force_normal (scalar); 2064 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 2065
1764 if (!(prot & PROT_WRITE)) 2066 if (!(prot & PROT_WRITE))
1765 SvREADONLY_on (scalar); 2067 SvREADONLY_on (scalar);
1766 2068
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; 2069 XSRETURN_YES;
1776} 2070}
1777 2071
1778void 2072void
1779munmap (SV *scalar) 2073munmap (SV *scalar)
1780 CODE: 2074 CODE:
1781 sv_unmagic (scalar, MMAP_MAGIC); 2075 sv_clear_foreign (scalar);
2076
2077SV *
2078mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
2079 CODE:
2080{
2081 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2082 void *new;
2083
2084 if (!mg || SvPVX (scalar) != mg->mg_ptr)
2085 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
2086
2087 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
2088
2089 RETVAL = &PL_sv_no;
2090
2091 if (new != (void *)-1)
2092 {
2093 RETVAL = new == (void *)mg->mg_ptr
2094 ? newSVpvn ("0 but true", 10)
2095 : &PL_sv_yes;
2096
2097 mg->mg_ptr = (char *)new;
2098 mg->mg_obj = (SV *)new_length;
2099
2100 SvPVX (scalar) = mg->mg_ptr;
2101 SvCUR_set (scalar, new_length);
2102 }
2103}
2104 OUTPUT:
2105 RETVAL
1782 2106
1783int 2107int
1784madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) 2108madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1785 ALIAS: 2109 ALIAS:
1786 mprotect = 1 2110 mprotect = 1
1787 CODE: 2111 CODE:
1788{ 2112{
1789 STRLEN svlen; 2113 STRLEN svlen;
1790 void *addr = SvPVbyte (scalar, svlen); 2114 void *addr = SvPVbyte (scalar, svlen);
1791 size_t len = SvUV (length); 2115 STRLEN len = SvUV (length);
1792 2116
1793 if (offset < 0) 2117 if (offset < 0)
1794 offset += svlen; 2118 offset += svlen;
1795 2119
1796 if (offset < 0 || offset > svlen) 2120 if (offset < 0 || offset > svlen)
1810} 2134}
1811 OUTPUT: 2135 OUTPUT:
1812 RETVAL 2136 RETVAL
1813 2137
1814int 2138int
1815munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) 2139munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
1816 CODE: 2140 CODE:
1817{ 2141{
1818 STRLEN svlen; 2142 STRLEN svlen;
1819 void *addr = SvPVbyte (scalar, svlen); 2143 void *addr = SvPVbyte (scalar, svlen);
1820 size_t len = SvUV (length); 2144 size_t len = SvUV (length);
1892 errno = ENOSYS; 2216 errno = ENOSYS;
1893 RETVAL = -1; 2217 RETVAL = -1;
1894#endif 2218#endif
1895 OUTPUT: 2219 OUTPUT:
1896 RETVAL 2220 RETVAL
2221
2222void
2223pipe2 (int flags = 0)
2224 PROTOTYPE: ;$
2225 PPCODE:
2226{
2227 int fd[2];
2228 int res;
2229
2230 if (flags)
2231#if HAVE_PIPE2
2232 res = pipe2 (fd, flags);
2233#else
2234 res = (errno = ENOSYS, -1);
2235#endif
2236 else
2237 res = pipe (fd);
2238
2239 if (!res)
2240 {
2241 EXTEND (SP, 2);
2242 PUSHs (newmortalFH (fd[0], O_RDONLY));
2243 PUSHs (newmortalFH (fd[1], O_WRONLY));
2244 }
2245}
2246
2247void
2248eventfd (unsigned int initval = 0, int flags = 0)
2249 PPCODE:
2250{
2251 int fd;
2252#if HAVE_EVENTFD
2253 fd = eventfd (initval, flags);
2254#else
2255 fd = (errno = ENOSYS, -1);
2256#endif
2257
2258 XPUSHs (newmortalFH (fd, O_RDWR));
2259}
2260
2261void
2262timerfd_create (int clockid, int flags = 0)
2263 PPCODE:
2264{
2265 int fd;
2266#if HAVE_TIMERFD
2267 fd = timerfd_create (clockid, flags);
2268#else
2269 fd = (errno = ENOSYS, -1);
2270#endif
2271
2272 XPUSHs (newmortalFH (fd, O_RDWR));
2273}
2274
2275void
2276timerfd_settime (SV *fh, int flags, NV interval, NV value)
2277 PPCODE:
2278{
2279 int fd = s_fileno_croak (fh, 0);
2280#if HAVE_TIMERFD
2281 int res;
2282 struct itimerspec its, ots;
2283
2284 ts_set (&its.it_interval, interval);
2285 ts_set (&its.it_value , value);
2286 res = timerfd_settime (fd, flags, &its, &ots);
2287
2288 if (!res)
2289 {
2290 EXTEND (SP, 2);
2291 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2292 PUSHs (newSVnv (ts_get (&ots.it_value)));
2293 }
2294#else
2295 errno = ENOSYS;
2296#endif
2297}
2298
2299void
2300timerfd_gettime (SV *fh)
2301 PPCODE:
2302{
2303 int fd = s_fileno_croak (fh, 0);
2304#if HAVE_TIMERFD
2305 int res;
2306 struct itimerspec ots;
2307 res = timerfd_gettime (fd, &ots);
2308
2309 if (!res)
2310 {
2311 EXTEND (SP, 2);
2312 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2313 PUSHs (newSVnv (ts_get (&ots.it_value)));
2314 }
2315#else
2316 errno = ENOSYS;
2317#endif
2318}
2319
2320UV
2321get_fdlimit ()
2322 CODE:
2323#if HAVE_RLIMITS
2324 struct rlimit rl;
2325 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2326 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2327#endif
2328 XSRETURN_UNDEF;
2329 OUTPUT:
2330 RETVAL
2331
2332void
2333min_fdlimit (UV limit = 0x7fffffffU)
2334 CODE:
2335{
2336#if HAVE_RLIMITS
2337 struct rlimit rl;
2338 rlim_t orig_rlim_max;
2339 UV bit;
2340
2341 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2342 goto fail;
2343
2344 if (rl.rlim_cur == RLIM_INFINITY)
2345 XSRETURN_YES;
2346
2347 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2348
2349 if (rl.rlim_cur < limit)
2350 {
2351 rl.rlim_cur = limit;
2352
2353 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2354 rl.rlim_max = rl.rlim_cur;
2355 }
2356
2357 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2358 XSRETURN_YES;
2359
2360 if (errno == EPERM)
2361 {
2362 /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2363 /* our limit overflows a system-wide limit */
2364 /* try an adaptive algorithm, but do not lower the hardlimit */
2365 rl.rlim_max = 0;
2366 for (bit = 0x40000000U; bit; bit >>= 1)
2367 {
2368 rl.rlim_max |= bit;
2369 rl.rlim_cur = rl.rlim_max;
2370
2371 /* nevr decrease the hard limit */
2372 if (rl.rlim_max < orig_rlim_max)
2373 break;
2374
2375 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2376 rl.rlim_max &= ~bit; /* too high, remove bit again */
2377 }
2378
2379 /* now, raise the soft limit to the max permitted */
2380 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2381 {
2382 rl.rlim_cur = rl.rlim_max;
2383 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2384 errno = EPERM;
2385 }
2386 }
2387#endif
2388 fail:
2389 XSRETURN_UNDEF;
2390}
1897 2391
1898void _on_next_submit (SV *cb) 2392void _on_next_submit (SV *cb)
1899 CODE: 2393 CODE:
1900 SvREFCNT_dec (on_next_submit); 2394 SvREFCNT_dec (on_next_submit);
1901 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2395 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1936cancel (aio_req_ornot req) 2430cancel (aio_req_ornot req)
1937 CODE: 2431 CODE:
1938 eio_cancel (req); 2432 eio_cancel (req);
1939 2433
1940void 2434void
1941cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2435cb (aio_req_ornot req, SV *callback = NO_INIT)
1942 PPCODE: 2436 PPCODE:
1943{ 2437{
1944 if (GIMME_V != G_VOID) 2438 if (GIMME_V != G_VOID)
1945 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 2439 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1946 2440
1947 if (items > 1) 2441 if (items > 1)
1948 { 2442 {
1949 SV *cb_cv =get_cb (callback); 2443 SV *cb_cv = get_cb (callback);
1950 2444
1951 SvREFCNT_dec (req->callback); 2445 SvREFCNT_dec (req->callback);
1952 req->callback = SvREFCNT_inc (cb_cv); 2446 req->callback = SvREFCNT_inc (cb_cv);
1953 } 2447 }
1954} 2448}
2011limit (aio_req grp, int limit) 2505limit (aio_req grp, int limit)
2012 CODE: 2506 CODE:
2013 eio_grp_limit (grp, limit); 2507 eio_grp_limit (grp, limit);
2014 2508
2015void 2509void
2016feed (aio_req grp, SV *callback=&PL_sv_undef) 2510feed (aio_req grp, SV *callback = &PL_sv_undef)
2017 CODE: 2511 CODE:
2018{ 2512{
2019 SvREFCNT_dec (grp->sv2); 2513 SvREFCNT_dec (grp->sv2);
2020 grp->sv2 = newSVsv (callback); 2514 grp->sv2 = newSVsv (callback);
2021 grp->feed = aio_grp_feed; 2515 grp->feed = aio_grp_feed;

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