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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.232 by root, Sat Jun 13 00:06:13 2015 UTC vs.
Revision 1.262 by root, Sun Aug 12 05:21:35 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>
17#include <sys/socket.h>
15#include <sys/stat.h> 18#include <sys/stat.h>
16#include <limits.h> 19#include <limits.h>
17#include <fcntl.h> 20#include <fcntl.h>
18#include <sched.h> 21#include <sched.h>
19 22
21# include <sys/mman.h> 24# include <sys/mman.h>
22#endif 25#endif
23 26
24/* the incompetent fool that created musl keeps __linux__, refuses 27/* the incompetent fool that created musl keeps __linux__, refuses
25 * to implement any linux standard apis, and also has no way to test 28 * 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. 29 * for his broken iplementation. don't complain to me if this fails
30 * for you.
27 */ 31 */
28#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__) 32#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
29# include <linux/fs.h> 33# include <linux/fs.h>
30# ifdef FS_IOC_FIEMAP 34# ifdef FS_IOC_FIEMAP
31# include <linux/types.h> 35# include <linux/types.h>
103#define expect_false(expr) expect ((expr) != 0, 0) 107#define expect_false(expr) expect ((expr) != 0, 0)
104#define expect_true(expr) expect ((expr) != 0, 1) 108#define expect_true(expr) expect ((expr) != 0, 1)
105 109
106/*****************************************************************************/ 110/*****************************************************************************/
107 111
112#include "config.h"
113
114#if HAVE_ST_XTIMENSEC
115# define ATIMENSEC PL_statcache.st_atimensec
116# define MTIMENSEC PL_statcache.st_mtimensec
117# define CTIMENSEC PL_statcache.st_ctimensec
118#elif HAVE_ST_XTIMESPEC
119# define ATIMENSEC PL_statcache.st_atim.tv_nsec
120# define MTIMENSEC PL_statcache.st_mtim.tv_nsec
121# define CTIMENSEC PL_statcache.st_ctim.tv_nsec
122#else
123# define ATIMENSEC 0
124# define MTIMENSEC 0
125# define CTIMENSEC 0
126#endif
127
128#include "schmorp.h"
129
130#if HAVE_EVENTFD
131# include <sys/eventfd.h>
132#endif
133
134#if HAVE_TIMERFD
135# include <sys/timerfd.h>
136#endif
137
138#if HAVE_RLIMITS
139 #include <sys/time.h>
140 #include <sys/resource.h>
141#endif
142
108typedef SV SV8; /* byte-sv, used for argument-checking */ 143typedef SV SV8; /* byte-sv, used for argument-checking */
109typedef int aio_rfd; /* read file desriptor */ 144typedef int aio_rfd; /* read file desriptor */
110typedef int aio_wfd; /* write file descriptor */ 145typedef int aio_wfd; /* write file descriptor */
111 146
112static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash; 147static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
118 STRLEN stroffset; \ 153 STRLEN stroffset; \
119 SV *self; 154 SV *self;
120 155
121#define EIO_NO_WRAPPERS 1 156#define EIO_NO_WRAPPERS 1
122 157
123#include "libeio/config.h"
124#include "libeio/eio.h" 158#include "libeio/eio.h"
125 159
126static int req_invoke (eio_req *req); 160static int req_invoke (eio_req *req);
127#define EIO_FINISH(req) req_invoke (req) 161#define EIO_FINISH(req) req_invoke (req)
128static void req_destroy (eio_req *grp); 162static void req_destroy (eio_req *grp);
144# else 178# else
145# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 179# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
146# endif 180# endif
147#endif 181#endif
148 182
149/* defines all sorts of constants to 0 unless they are already defined */
150#include "def0.h"
151
152#ifndef makedev 183#ifndef makedev
153# define makedev(maj,min) (((maj) << 8) | (min)) 184# define makedev(maj,min) (((maj) << 8) | (min))
154#endif 185#endif
155#ifndef major 186#ifndef major
156# define major(dev) ((dev) >> 8) 187# define major(dev) ((dev) >> 8)
160#endif 191#endif
161 192
162#if PAGESIZE <= 0 193#if PAGESIZE <= 0
163# define PAGESIZE sysconf (_SC_PAGESIZE) 194# define PAGESIZE sysconf (_SC_PAGESIZE)
164#endif 195#endif
196
197/*****************************************************************************/
198
199#if !_POSIX_MAPPED_FILES
200# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
201# define munmap(addr,length) EIO_ENOSYS ()
202#endif
203
204#if !_POSIX_MEMORY_PROTECTION
205# define mprotect(addr,len,prot) EIO_ENOSYS ()
206#endif
207
208#if !MREMAP_MAYMOVE
209# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
210#endif
211
212#define FOREIGN_MAGIC PERL_MAGIC_ext
213
214static int ecb_cold
215mmap_free (pTHX_ SV *sv, MAGIC *mg)
216{
217 int old_errno = errno;
218 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
219 errno = old_errno;
220
221 mg->mg_obj = 0; /* just in case */
222
223 SvREADONLY_off (sv);
224
225 if (SvPVX (sv) != mg->mg_ptr)
226 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
227
228 SvCUR_set (sv, 0);
229 SvPVX (sv) = 0;
230 SvOK_off (sv);
231
232 return 0;
233}
234
235static MGVTBL mmap_vtbl = {
236 0, 0, 0, 0, mmap_free
237};
238
239static int ecb_cold
240sysfree_free (pTHX_ SV *sv, MAGIC *mg)
241{
242 free (mg->mg_ptr);
243 mg->mg_obj = 0; /* just in case */
244
245 SvREADONLY_off (sv);
246
247 if (SvPVX (sv) != mg->mg_ptr)
248 croak ("ERROR: IO::AIO mapped scalar changed location, detected");
249
250 SvCUR_set (sv, 0);
251 SvPVX (sv) = 0;
252 SvOK_off (sv);
253
254 return 0;
255}
256
257static MGVTBL sysfree_vtbl = {
258 0, 0, 0, 0, sysfree_free
259};
260
261/*****************************************************************************/
262
263/* helper: set scalar to foreign ptr with custom free */
264static void
265sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
266{
267 sv_force_normal (sv);
268
269 /* we store the length in mg_obj, as namlen is I32 :/ */
270 sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
271 ->mg_obj = (SV *)length;
272
273 SvUPGRADE (sv, SVt_PV); /* nop... */
274
275 if (SvLEN (sv))
276 Safefree (SvPVX (sv));
277
278 SvPVX (sv) = (char *)addr;
279 SvCUR_set (sv, length);
280 SvLEN_set (sv, 0);
281 SvPOK_only (sv);
282}
283
284static void
285sv_clear_foreign (SV *sv)
286{
287 /* todo: iterate over magic and only free ours, but of course */
288 /* the perl5porters will call that (correct) behaviour buggy */
289 sv_unmagic (sv, FOREIGN_MAGIC);
290}
291
292/*****************************************************************************/
293
294/* defines all sorts of constants to 0 unless they are already defined */
295/* also provides const_iv_ and const_niv_ macros for them */
296#include "def0.h"
165 297
166/*****************************************************************************/ 298/*****************************************************************************/
167 299
168static void 300static void
169fiemap (eio_req *req) 301fiemap (eio_req *req)
337 || SvTYPE (SvRV (sv)) != SVt_PVMG 469 || SvTYPE (SvRV (sv)) != SVt_PVMG
338 || SvSTASH (SvRV (sv)) != aio_wd_stash) 470 || SvSTASH (SvRV (sv)) != aio_wd_stash)
339 croak ("IO::AIO: expected a working directory object as returned by aio_wd"); 471 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
340 472
341 return (aio_wd)(long)SvIVX (SvRV (sv)); 473 return (aio_wd)(long)SvIVX (SvRV (sv));
474}
475
476static SV *
477newmortalFH (int fd, int flags)
478{
479 if (fd < 0)
480 return &PL_sv_undef;
481
482 GV *gv = (GV *)sv_newmortal ();
483 char sym[64];
484 int symlen;
485
486 symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
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 fd
495 );
496
497 return do_open (gv, sym, symlen, 0, 0, 0, 0)
498 ? (SV *)gv : &PL_sv_undef;
342} 499}
343 500
344static void 501static void
345aio_grp_feed (aio_req grp) 502aio_grp_feed (aio_req grp)
346{ 503{
474 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); 631 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
475 } 632 }
476 break; 633 break;
477 634
478 case EIO_OPEN: 635 case EIO_OPEN:
479 { 636 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; 637 break;
508 638
509 case EIO_STATVFS: 639 case EIO_STATVFS:
510 case EIO_FSTATVFS: 640 case EIO_FSTATVFS:
511 { 641 {
591 SvSETMAGIC (req->sv2); 721 SvSETMAGIC (req->sv2);
592 PUSHs (sv_result); 722 PUSHs (sv_result);
593 } 723 }
594 break; 724 break;
595 725
726 case EIO_SLURP:
727 {
728 if (req->result >= 0)
729 {
730 /* if length was originally not known, we steal the malloc'ed memory */
731 if (req->flags & EIO_FLAG_PTR2_FREE)
732 {
733 req->flags &= ~EIO_FLAG_PTR2_FREE;
734 sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
735 }
736 else
737 {
738 SvCUR_set (req->sv2, req->result);
739 *SvEND (req->sv2) = 0;
740 SvPOK_only (req->sv2);
741 }
742
743 SvSETMAGIC (req->sv2);
744 }
745
746 PUSHs (sv_result);
747 }
748 break;
749
596 case EIO_CUSTOM: 750 case EIO_CUSTOM:
597 if (req->feed == fiemap) 751 if (req->feed == fiemap)
598 { 752 {
599#if HAVE_FIEMAP 753#if HAVE_FIEMAP
600 if (!req->result) 754 if (!req->result)
705{ 859{
706 while (eio_nreqs ()) 860 while (eio_nreqs ())
707 { 861 {
708 int size; 862 int size;
709 863
710 X_LOCK (reslock); 864 X_LOCK (EIO_POOL->reslock);
711 size = res_queue.size; 865 size = EIO_POOL->res_queue.size;
712 X_UNLOCK (reslock); 866 X_UNLOCK (EIO_POOL->reslock);
713 867
714 if (size) 868 if (size)
715 return; 869 return;
716 870
717 etp_maybe_start_thread (); 871 etp_maybe_start_thread (EIO_POOL);
718 872
719 s_epipe_wait (&respipe); 873 s_epipe_wait (&respipe);
720 } 874 }
721} 875}
722 876
743 create_respipe (); 897 create_respipe ();
744 898
745 if (eio_init (want_poll, done_poll) < 0) 899 if (eio_init (want_poll, done_poll) < 0)
746 croak ("IO::AIO: unable to initialise eio library"); 900 croak ("IO::AIO: unable to initialise eio library");
747} 901}
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};
791 902
792/*****************************************************************************/ 903/*****************************************************************************/
793 904
794static SV * 905static SV *
795get_cb (SV *cb_sv) 906get_cb (SV *cb_sv)
891 req_set_path1 (req, fh_or_path); 1002 req_set_path1 (req, fh_or_path);
892 break; 1003 break;
893 } 1004 }
894} 1005}
895 1006
1007/*****************************************************************************/
1008
1009static void
1010ts_set (struct timespec *ts, NV value)
1011{
1012 ts->tv_sec = value;
1013 ts->tv_nsec = (value - ts->tv_sec) * 1e9;
1014}
1015
1016static NV
1017ts_get (const struct timespec *ts)
1018{
1019 return ts->tv_sec + ts->tv_nsec * 1e-9;
1020}
1021
1022/*****************************************************************************/
1023
896XS(boot_IO__AIO) ecb_cold; 1024XS(boot_IO__AIO) ecb_cold;
897 1025
898MODULE = IO::AIO PACKAGE = IO::AIO 1026MODULE = IO::AIO PACKAGE = IO::AIO
899 1027
900PROTOTYPES: ENABLE 1028PROTOTYPES: ENABLE
907 } *civ, const_iv[] = { 1035 } *civ, const_iv[] = {
908# define const_niv(name, value) { # name, (IV) value }, 1036# define const_niv(name, value) { # name, (IV) value },
909# define const_iv(name) { # name, (IV) name }, 1037# define const_iv(name) { # name, (IV) name },
910# define const_eio(name) { # name, (IV) EIO_ ## name }, 1038# define const_eio(name) { # name, (IV) EIO_ ## name },
911 1039
912 /* you have to re-run ./gendef0 after adding/Removing any constants here */ 1040 /* you have to re-run ./gendef0 after adding/removing any constants here */
913 1041 /* the first block can be undef if missing */
914 const_iv (ENOSYS) 1042 const_iv (ENOSYS)
915 const_iv (EXDEV) 1043 const_iv (EXDEV)
916 const_iv (EBADR) 1044 const_iv (EBADR)
1045
1046 /* for lseek */
1047 const_iv (SEEK_DATA)
1048 const_iv (SEEK_HOLE)
1049
1050 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
1051 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
1052 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
1053 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
1054 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
1055 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
1056
1057 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
1058 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
1059 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1060 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1061 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1062
1063 /* the second block will be 0 when missing */
1064 const_iv (O_ACCMODE)
917 1065
918 const_iv (O_RDONLY) 1066 const_iv (O_RDONLY)
919 const_iv (O_WRONLY) 1067 const_iv (O_WRONLY)
920 const_iv (O_RDWR) 1068 const_iv (O_RDWR)
921 const_iv (O_CREAT) 1069 const_iv (O_CREAT)
935 const_iv (O_SEARCH) 1083 const_iv (O_SEARCH)
936 const_iv (O_DIRECTORY) 1084 const_iv (O_DIRECTORY)
937 const_iv (O_DSYNC) 1085 const_iv (O_DSYNC)
938 const_iv (O_RSYNC) 1086 const_iv (O_RSYNC)
939 const_iv (O_SYNC) 1087 const_iv (O_SYNC)
1088 const_iv (O_PATH)
1089 const_iv (O_TMPFILE)
940 const_iv (O_TTY_INIT) 1090 const_iv (O_TTY_INIT)
941 1091
942 const_iv (S_IFIFO) 1092 const_iv (S_IFIFO)
943 const_iv (S_IFCHR) 1093 const_iv (S_IFCHR)
944 const_iv (S_IFBLK) 1094 const_iv (S_IFBLK)
946 const_iv (S_IFREG) 1096 const_iv (S_IFREG)
947 const_iv (S_IFDIR) 1097 const_iv (S_IFDIR)
948 const_iv (S_IFWHT) 1098 const_iv (S_IFWHT)
949 const_iv (S_IFSOCK) 1099 const_iv (S_IFSOCK)
950 const_iv (S_IFMT) 1100 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 1101
965 const_iv (ST_RDONLY) 1102 const_iv (ST_RDONLY)
966 const_iv (ST_NOSUID) 1103 const_iv (ST_NOSUID)
967 const_iv (ST_NODEV) 1104 const_iv (ST_NODEV)
968 const_iv (ST_NOEXEC) 1105 const_iv (ST_NOEXEC)
978 const_iv (PROT_NONE) 1115 const_iv (PROT_NONE)
979 const_iv (PROT_EXEC) 1116 const_iv (PROT_EXEC)
980 const_iv (PROT_READ) 1117 const_iv (PROT_READ)
981 const_iv (PROT_WRITE) 1118 const_iv (PROT_WRITE)
982 1119
983 /*const_iv (MAP_FIXED)*/
984 const_iv (MAP_PRIVATE) 1120 const_iv (MAP_PRIVATE)
985 const_iv (MAP_SHARED) 1121 const_iv (MAP_SHARED)
1122 const_iv (MAP_FIXED)
986 const_iv (MAP_ANONYMOUS) 1123 const_iv (MAP_ANONYMOUS)
987 1124
988 /* linuxish */ 1125 /* linuxish */
989 const_iv (MAP_HUGETLB)
990 const_iv (MAP_LOCKED) 1126 const_iv (MAP_LOCKED)
991 const_iv (MAP_NORESERVE) 1127 const_iv (MAP_NORESERVE)
992 const_iv (MAP_POPULATE) 1128 const_iv (MAP_POPULATE)
993 const_iv (MAP_NONBLOCK) 1129 const_iv (MAP_NONBLOCK)
1130 const_iv (MAP_GROWSDOWN)
1131 const_iv (MAP_32BIT)
1132 const_iv (MAP_HUGETLB)
1133 const_iv (MAP_STACK)
1134
1135 const_iv (MREMAP_MAYMOVE)
1136 const_iv (MREMAP_FIXED)
1137
1138 const_iv (F_DUPFD_CLOEXEC)
1139
1140 const_iv (MSG_CMSG_CLOEXEC)
1141 const_iv (SOCK_CLOEXEC)
1142
1143 const_iv (F_OFD_GETLK)
1144 const_iv (F_OFD_SETLK)
1145 const_iv (F_OFD_GETLKW)
1146
1147 const_iv (FIFREEZE)
1148 const_iv (FITHAW)
1149 const_iv (FITRIM)
1150 const_iv (FICLONE)
1151 const_iv (FICLONERANGE)
1152 const_iv (FIDEDUPERANGE)
1153
1154 const_iv (FS_IOC_GETFLAGS)
1155 const_iv (FS_IOC_SETFLAGS)
1156 const_iv (FS_IOC_GETVERSION)
1157 const_iv (FS_IOC_SETVERSION)
1158 const_iv (FS_IOC_FIEMAP)
1159 const_iv (FS_IOC_FSGETXATTR)
1160 const_iv (FS_IOC_FSSETXATTR)
1161 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1162 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1163 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1164
1165 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1166
1167 const_iv (FS_SECRM_FL)
1168 const_iv (FS_UNRM_FL)
1169 const_iv (FS_COMPR_FL)
1170 const_iv (FS_SYNC_FL)
1171 const_iv (FS_IMMUTABLE_FL)
1172 const_iv (FS_APPEND_FL)
1173 const_iv (FS_NODUMP_FL)
1174 const_iv (FS_NOATIME_FL)
1175 const_iv (FS_DIRTY_FL)
1176 const_iv (FS_COMPRBLK_FL)
1177 const_iv (FS_NOCOMP_FL)
1178 const_iv (FS_ENCRYPT_FL)
1179 const_iv (FS_BTREE_FL)
1180 const_iv (FS_INDEX_FL)
1181 const_iv (FS_JOURNAL_DATA_FL)
1182 const_iv (FS_NOTAIL_FL)
1183 const_iv (FS_DIRSYNC_FL)
1184 const_iv (FS_TOPDIR_FL)
1185 const_iv (FS_FL_USER_MODIFIABLE)
1186
1187 const_iv (FS_XFLAG_REALTIME)
1188 const_iv (FS_XFLAG_PREALLOC)
1189 const_iv (FS_XFLAG_IMMUTABLE)
1190 const_iv (FS_XFLAG_APPEND)
1191 const_iv (FS_XFLAG_SYNC)
1192 const_iv (FS_XFLAG_NOATIME)
1193 const_iv (FS_XFLAG_NODUMP)
1194 const_iv (FS_XFLAG_RTINHERIT)
1195 const_iv (FS_XFLAG_PROJINHERIT)
1196 const_iv (FS_XFLAG_NOSYMLINKS)
1197 const_iv (FS_XFLAG_EXTSIZE)
1198 const_iv (FS_XFLAG_EXTSZINHERIT)
1199 const_iv (FS_XFLAG_NODEFRAG)
1200 const_iv (FS_XFLAG_FILESTREAM)
1201 const_iv (FS_XFLAG_DAX)
1202 const_iv (FS_XFLAG_HASATTR)
994 1203
995 const_iv (FIEMAP_FLAG_SYNC) 1204 const_iv (FIEMAP_FLAG_SYNC)
996 const_iv (FIEMAP_FLAG_XATTR) 1205 const_iv (FIEMAP_FLAG_XATTR)
997 const_iv (FIEMAP_FLAGS_COMPAT) 1206 const_iv (FIEMAP_FLAGS_COMPAT)
998 const_iv (FIEMAP_EXTENT_LAST) 1207 const_iv (FIEMAP_EXTENT_LAST)
1010 const_iv (SPLICE_F_MOVE) 1219 const_iv (SPLICE_F_MOVE)
1011 const_iv (SPLICE_F_NONBLOCK) 1220 const_iv (SPLICE_F_NONBLOCK)
1012 const_iv (SPLICE_F_MORE) 1221 const_iv (SPLICE_F_MORE)
1013 const_iv (SPLICE_F_GIFT) 1222 const_iv (SPLICE_F_GIFT)
1014 1223
1015 const_iv (SEEK_DATA) 1224 const_iv (EFD_CLOEXEC)
1225 const_iv (EFD_NONBLOCK)
1016 const_iv (SEEK_HOLE) 1226 const_iv (EFD_SEMAPHORE)
1017 1227
1018 /* libeio constants */ 1228 const_iv (CLOCK_REALTIME)
1229 const_iv (CLOCK_MONOTONIC)
1230 const_iv (CLOCK_BOOTTIME)
1231 const_iv (CLOCK_REALTIME_ALARM)
1232 const_iv (CLOCK_BOOTTIME_ALARM)
1233
1234 const_iv (TFD_NONBLOCK)
1235 const_iv (TFD_CLOEXEC)
1236
1237 const_iv (TFD_TIMER_ABSTIME)
1238 const_iv (TFD_TIMER_CANCEL_ON_SET)
1239
1240 /* these are libeio constants, and are independent of gendef0 */
1019 const_eio (SEEK_SET) 1241 const_eio (SEEK_SET)
1020 const_eio (SEEK_CUR) 1242 const_eio (SEEK_CUR)
1021 const_eio (SEEK_END) 1243 const_eio (SEEK_END)
1022 1244
1023 const_eio (MCL_FUTURE) 1245 const_eio (MCL_FUTURE)
1035 1257
1036 const_eio (FALLOC_FL_KEEP_SIZE) 1258 const_eio (FALLOC_FL_KEEP_SIZE)
1037 const_eio (FALLOC_FL_PUNCH_HOLE) 1259 const_eio (FALLOC_FL_PUNCH_HOLE)
1038 const_eio (FALLOC_FL_COLLAPSE_RANGE) 1260 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1039 const_eio (FALLOC_FL_ZERO_RANGE) 1261 const_eio (FALLOC_FL_ZERO_RANGE)
1262 const_eio (FALLOC_FL_INSERT_RANGE)
1263 const_eio (FALLOC_FL_UNSHARE_RANGE)
1264
1265 const_eio (RENAME_NOREPLACE)
1266 const_eio (RENAME_EXCHANGE)
1267 const_eio (RENAME_WHITEOUT)
1040 1268
1041 const_eio (READDIR_DENTS) 1269 const_eio (READDIR_DENTS)
1042 const_eio (READDIR_DIRS_FIRST) 1270 const_eio (READDIR_DIRS_FIRST)
1043 const_eio (READDIR_STAT_ORDER) 1271 const_eio (READDIR_STAT_ORDER)
1044 const_eio (READDIR_FOUND_UNKNOWN) 1272 const_eio (READDIR_FOUND_UNKNOWN)
1295 REQ_SEND; 1523 REQ_SEND;
1296 } 1524 }
1297} 1525}
1298 1526
1299void 1527void
1528aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
1529 ALIAS:
1530 aio_ioctl = EIO_IOCTL
1531 aio_fcntl = EIO_FCNTL
1532 PPCODE:
1533{
1534 int fd = s_fileno_croak (fh, 0);
1535 char *svptr;
1536
1537 if (SvPOK (arg) || !SvNIOK (arg))
1538 {
1539 STRLEN svlen;
1540 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1541#ifdef IOCPARM_LEN
1542 STRLEN need = IOCPARM_LEN (request);
1543#else
1544 STRLEN need = 256;
1545#endif
1546
1547 if (svlen < need)
1548 svptr = SvGROW (arg, need);
1549 }
1550 else
1551 svptr = (char *)SvIV (arg);
1552
1553 {
1554 dREQ;
1555
1556 req->type = ix;
1557 req->sv1 = newSVsv (fh);
1558 req->int1 = fd;
1559 req->int2 = (long)request;
1560 req->sv2 = SvREFCNT_inc (arg);
1561 req->ptr2 = svptr;
1562
1563 REQ_SEND;
1564 }
1565}
1566
1567void
1300aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef) 1568aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1301 ALIAS: 1569 ALIAS:
1302 aio_readlink = EIO_READLINK 1570 aio_readlink = EIO_READLINK
1303 aio_realpath = EIO_REALPATH 1571 aio_realpath = EIO_REALPATH
1304 PPCODE: 1572 PPCODE:
1359 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path); 1627 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1360 1628
1361 REQ_SEND; 1629 REQ_SEND;
1362} 1630}
1363 1631
1632void
1633stat_xtime ()
1634 ALIAS:
1635 stat_atime = 1
1636 stat_mtime = 2
1637 stat_ctime = 4
1638 stat_xtime = 7
1639 PPCODE:
1640 EXTEND (SP, 3);
1641 if (ix & 1) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
1642 if (ix & 2) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
1643 if (ix & 4) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
1644
1645void
1646stat_xtimensec ()
1647 ALIAS:
1648 stat_atimensec = 1
1649 stat_mtimensec = 2
1650 stat_ctimensec = 4
1651 stat_xtimensec = 7
1652 PPCODE:
1653 EXTEND (SP, 3);
1654 if (ix & 1) PUSHs (newSViv (ATIMENSEC));
1655 if (ix & 2) PUSHs (newSViv (MTIMENSEC));
1656 if (ix & 4) PUSHs (newSViv (CTIMENSEC));
1657
1364UV 1658UV
1365major (UV dev) 1659major (UV dev)
1366 ALIAS: 1660 ALIAS:
1367 minor = 1 1661 minor = 1
1368 CODE: 1662 CODE:
1369 RETVAL = ix ? major (dev) : minor (dev); 1663 RETVAL = ix ? minor (dev) : major (dev);
1370 OUTPUT: 1664 OUTPUT:
1371 RETVAL 1665 RETVAL
1372 1666
1373UV 1667UV
1374makedev (UV maj, UV min) 1668makedev (UV maj, UV min)
1491 1785
1492 REQ_SEND; 1786 REQ_SEND;
1493} 1787}
1494 1788
1495void 1789void
1790aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
1791 PPCODE:
1792{
1793 eio_wd wd2 = 0;
1794 dREQ;
1795
1796 req->type = EIO_RENAME;
1797 req_set_path1 (req, oldpath);
1798 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1799 req->int2 = flags;
1800 req->int3 = (long)wd2;
1801
1802 REQ_SEND;
1803}
1804
1805void
1496aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef) 1806aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1497 PPCODE: 1807 PPCODE:
1498{ 1808{
1499 dREQ; 1809 dREQ;
1500 1810
1505 1815
1506 REQ_SEND; 1816 REQ_SEND;
1507} 1817}
1508 1818
1509void 1819void
1510aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback = &PL_sv_undef) 1820aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1511 ALIAS: 1821 ALIAS:
1512 aio_mtouch = EIO_MTOUCH 1822 aio_mtouch = EIO_MTOUCH
1513 aio_msync = EIO_MSYNC 1823 aio_msync = EIO_MSYNC
1514 PPCODE: 1824 PPCODE:
1515{ 1825{
1516 STRLEN svlen; 1826 STRLEN svlen;
1517 char *svptr = SvPVbyte (data, svlen); 1827 char *svptr = SvPVbyte (data, svlen);
1518 UV len = SvUV (length); 1828 UV len = SvUV (length);
1829
1830 if (flags < 0)
1831 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1519 1832
1520 if (offset < 0) 1833 if (offset < 0)
1521 offset += svlen; 1834 offset += svlen;
1522 1835
1523 if (offset < 0 || offset > svlen) 1836 if (offset < 0 || offset > svlen)
1599 req->int2 = flags; 1912 req->int2 = flags;
1600 req->int3 = SvOK (count) ? SvIV (count) : -1; 1913 req->int3 = SvOK (count) ? SvIV (count) : -1;
1601#endif 1914#endif
1602 1915
1603 REQ_SEND; 1916 REQ_SEND;
1917}
1918
1919void
1920aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
1921 PPCODE:
1922{
1923 char *svptr = 0;
1924
1925 sv_clear_foreign (data);
1926
1927 if (length) /* known length, directly read into scalar */
1928 {
1929 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1930 svptr = sv_grow (data, length + 1);
1931 else if (SvCUR (data) < length)
1932 croak ("length outside of scalar, and cannot grow");
1933 else
1934 svptr = SvPVbyte_nolen (data);
1935 }
1936
1937 {
1938 dREQ;
1939
1940 req->type = EIO_SLURP;
1941 req_set_path1 (req, pathname);
1942 req->offs = offset;
1943 req->size = length;
1944 req->sv2 = SvREFCNT_inc (data);
1945 req->ptr2 = svptr;
1946
1947 if (!SvREADONLY (data))
1948 {
1949 SvREADONLY_on (data);
1950 req->flags |= FLAG_SV2_RO_OFF;
1951 }
1952
1953 REQ_SEND;
1954 }
1604} 1955}
1605 1956
1606void 1957void
1607aio_busy (double delay, SV *callback = &PL_sv_undef) 1958aio_busy (double delay, SV *callback = &PL_sv_undef)
1608 PPCODE: 1959 PPCODE:
1745 RETVAL 2096 RETVAL
1746 2097
1747void 2098void
1748mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0) 2099mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1749 PPCODE: 2100 PPCODE:
1750 sv_unmagic (scalar, MMAP_MAGIC); 2101 sv_clear_foreign (scalar);
1751{ 2102{
1752 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 2103 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1753 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 2104 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1754 if (addr == (void *)-1) 2105 if (addr == (void *)-1)
1755 XSRETURN_NO; 2106 XSRETURN_NO;
1756 2107
1757 sv_force_normal (scalar); 2108 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1758
1759 /* we store the length in mg_obj, as namlen is I32 :/ */
1760 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1761 ->mg_obj = (SV *)length;
1762
1763 SvUPGRADE (scalar, SVt_PV); /* nop... */
1764 2109
1765 if (!(prot & PROT_WRITE)) 2110 if (!(prot & PROT_WRITE))
1766 SvREADONLY_on (scalar); 2111 SvREADONLY_on (scalar);
1767 2112
1768 if (SvLEN (scalar))
1769 Safefree (SvPVX (scalar));
1770
1771 SvPVX (scalar) = (char *)addr;
1772 SvCUR_set (scalar, length);
1773 SvLEN_set (scalar, 0);
1774 SvPOK_only (scalar);
1775
1776 XSRETURN_YES; 2113 XSRETURN_YES;
1777} 2114}
1778 2115
1779void 2116void
1780munmap (SV *scalar) 2117munmap (SV *scalar)
1781 CODE: 2118 CODE:
1782 sv_unmagic (scalar, MMAP_MAGIC); 2119 sv_clear_foreign (scalar);
2120
2121SV *
2122mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
2123 CODE:
2124{
2125 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2126 void *new;
2127
2128 if (!mg || SvPVX (scalar) != mg->mg_ptr)
2129 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
2130
2131 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
2132
2133 RETVAL = &PL_sv_no;
2134
2135 if (new != (void *)-1)
2136 {
2137 RETVAL = new == (void *)mg->mg_ptr
2138 ? newSVpvn ("0 but true", 10)
2139 : &PL_sv_yes;
2140
2141 mg->mg_ptr = (char *)new;
2142 mg->mg_obj = (SV *)new_length;
2143
2144 SvPVX (scalar) = mg->mg_ptr;
2145 SvCUR_set (scalar, new_length);
2146 }
2147}
2148 OUTPUT:
2149 RETVAL
1783 2150
1784int 2151int
1785madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) 2152madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1786 ALIAS: 2153 ALIAS:
1787 mprotect = 1 2154 mprotect = 1
1893 errno = ENOSYS; 2260 errno = ENOSYS;
1894 RETVAL = -1; 2261 RETVAL = -1;
1895#endif 2262#endif
1896 OUTPUT: 2263 OUTPUT:
1897 RETVAL 2264 RETVAL
2265
2266void
2267pipe2 (int flags = 0)
2268 PROTOTYPE: ;$
2269 PPCODE:
2270{
2271 int fd[2];
2272 int res;
2273
2274 if (flags)
2275#if HAVE_PIPE2
2276 res = pipe2 (fd, flags);
2277#else
2278 res = (errno = ENOSYS, -1);
2279#endif
2280 else
2281 res = pipe (fd);
2282
2283 if (!res)
2284 {
2285 EXTEND (SP, 2);
2286 PUSHs (newmortalFH (fd[0], O_RDONLY));
2287 PUSHs (newmortalFH (fd[1], O_WRONLY));
2288 }
2289}
2290
2291void
2292eventfd (unsigned int initval = 0, int flags = 0)
2293 PPCODE:
2294{
2295 int fd;
2296#if HAVE_EVENTFD
2297 fd = eventfd (initval, flags);
2298#else
2299 fd = (errno = ENOSYS, -1);
2300#endif
2301
2302 XPUSHs (newmortalFH (fd, O_RDWR));
2303}
2304
2305void
2306timerfd_create (int clockid, int flags = 0)
2307 PPCODE:
2308{
2309 int fd;
2310#if HAVE_TIMERFD
2311 fd = timerfd_create (clockid, flags);
2312#else
2313 fd = (errno = ENOSYS, -1);
2314#endif
2315
2316 XPUSHs (newmortalFH (fd, O_RDWR));
2317}
2318
2319void
2320timerfd_settime (SV *fh, int flags, NV interval, NV value)
2321 PPCODE:
2322{
2323 int fd = s_fileno_croak (fh, 0);
2324#if HAVE_TIMERFD
2325 int res;
2326 struct itimerspec its, ots;
2327
2328 ts_set (&its.it_interval, interval);
2329 ts_set (&its.it_value , value);
2330 res = timerfd_settime (fd, flags, &its, &ots);
2331
2332 if (!res)
2333 {
2334 EXTEND (SP, 2);
2335 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2336 PUSHs (newSVnv (ts_get (&ots.it_value)));
2337 }
2338#else
2339 errno = ENOSYS;
2340#endif
2341}
2342
2343void
2344timerfd_gettime (SV *fh)
2345 PPCODE:
2346{
2347 int fd = s_fileno_croak (fh, 0);
2348#if HAVE_TIMERFD
2349 int res;
2350 struct itimerspec ots;
2351 res = timerfd_gettime (fd, &ots);
2352
2353 if (!res)
2354 {
2355 EXTEND (SP, 2);
2356 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2357 PUSHs (newSVnv (ts_get (&ots.it_value)));
2358 }
2359#else
2360 errno = ENOSYS;
2361#endif
2362}
2363
2364UV
2365get_fdlimit ()
2366 CODE:
2367#if HAVE_RLIMITS
2368 struct rlimit rl;
2369 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2370 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2371#endif
2372 XSRETURN_UNDEF;
2373 OUTPUT:
2374 RETVAL
2375
2376void
2377min_fdlimit (UV limit = 0x7fffffffU)
2378 CODE:
2379{
2380#if HAVE_RLIMITS
2381 struct rlimit rl;
2382 rlim_t orig_rlim_max;
2383 UV bit;
2384
2385 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2386 goto fail;
2387
2388 if (rl.rlim_cur == RLIM_INFINITY)
2389 XSRETURN_YES;
2390
2391 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2392
2393 if (rl.rlim_cur < limit)
2394 {
2395 rl.rlim_cur = limit;
2396
2397 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2398 rl.rlim_max = rl.rlim_cur;
2399 }
2400
2401 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2402 XSRETURN_YES;
2403
2404 if (errno == EPERM)
2405 {
2406 /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2407 /* our limit overflows a system-wide limit */
2408 /* try an adaptive algorithm, but do not lower the hardlimit */
2409 rl.rlim_max = 0;
2410 for (bit = 0x40000000U; bit; bit >>= 1)
2411 {
2412 rl.rlim_max |= bit;
2413 rl.rlim_cur = rl.rlim_max;
2414
2415 /* nevr decrease the hard limit */
2416 if (rl.rlim_max < orig_rlim_max)
2417 break;
2418
2419 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2420 rl.rlim_max &= ~bit; /* too high, remove bit again */
2421 }
2422
2423 /* now, raise the soft limit to the max permitted */
2424 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2425 {
2426 rl.rlim_cur = rl.rlim_max;
2427 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2428 errno = EPERM;
2429 }
2430 }
2431#endif
2432 fail:
2433 XSRETURN_UNDEF;
2434}
1898 2435
1899void _on_next_submit (SV *cb) 2436void _on_next_submit (SV *cb)
1900 CODE: 2437 CODE:
1901 SvREFCNT_dec (on_next_submit); 2438 SvREFCNT_dec (on_next_submit);
1902 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2439 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;

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