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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.231 by root, Wed Feb 11 19:32:36 2015 UTC vs.
Revision 1.261 by root, Tue Jul 24 19:32:20 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 "libeio/config.h"
113
114#include "schmorp.h"
115
116#if HAVE_EVENTFD
117# include <sys/eventfd.h>
118#endif
119
120#if HAVE_TIMERFD
121# include <sys/timerfd.h>
122#endif
123
124#if HAVE_RLIMITS
125 #include <sys/time.h>
126 #include <sys/resource.h>
127#endif
128
108typedef SV SV8; /* byte-sv, used for argument-checking */ 129typedef SV SV8; /* byte-sv, used for argument-checking */
109typedef int aio_rfd; /* read file desriptor */ 130typedef int aio_rfd; /* read file desriptor */
110typedef int aio_wfd; /* write file descriptor */ 131typedef int aio_wfd; /* write file descriptor */
111 132
112static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash; 133static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
118 STRLEN stroffset; \ 139 STRLEN stroffset; \
119 SV *self; 140 SV *self;
120 141
121#define EIO_NO_WRAPPERS 1 142#define EIO_NO_WRAPPERS 1
122 143
123#include "libeio/config.h"
124#include "libeio/eio.h" 144#include "libeio/eio.h"
125 145
126static int req_invoke (eio_req *req); 146static int req_invoke (eio_req *req);
127#define EIO_FINISH(req) req_invoke (req) 147#define EIO_FINISH(req) req_invoke (req)
128static void req_destroy (eio_req *grp); 148static void req_destroy (eio_req *grp);
144# else 164# else
145# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 165# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
146# endif 166# endif
147#endif 167#endif
148 168
149/* defines all sorts of constants to 0 unless they are already defined */
150#include "def0.h"
151
152#ifndef makedev 169#ifndef makedev
153# define makedev(maj,min) (((maj) << 8) | (min)) 170# define makedev(maj,min) (((maj) << 8) | (min))
154#endif 171#endif
155#ifndef major 172#ifndef major
156# define major(dev) ((dev) >> 8) 173# define major(dev) ((dev) >> 8)
160#endif 177#endif
161 178
162#if PAGESIZE <= 0 179#if PAGESIZE <= 0
163# define PAGESIZE sysconf (_SC_PAGESIZE) 180# define PAGESIZE sysconf (_SC_PAGESIZE)
164#endif 181#endif
182
183/*****************************************************************************/
184
185#if !_POSIX_MAPPED_FILES
186# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
187# define munmap(addr,length) EIO_ENOSYS ()
188#endif
189
190#if !_POSIX_MEMORY_PROTECTION
191# define mprotect(addr,len,prot) EIO_ENOSYS ()
192#endif
193
194#if !MREMAP_MAYMOVE
195# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
196#endif
197
198#define FOREIGN_MAGIC PERL_MAGIC_ext
199
200static int ecb_cold
201mmap_free (pTHX_ SV *sv, MAGIC *mg)
202{
203 int old_errno = errno;
204 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
205 errno = old_errno;
206
207 mg->mg_obj = 0; /* just in case */
208
209 SvREADONLY_off (sv);
210
211 if (SvPVX (sv) != mg->mg_ptr)
212 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
213
214 SvCUR_set (sv, 0);
215 SvPVX (sv) = 0;
216 SvOK_off (sv);
217
218 return 0;
219}
220
221static MGVTBL mmap_vtbl = {
222 0, 0, 0, 0, mmap_free
223};
224
225static int ecb_cold
226sysfree_free (pTHX_ SV *sv, MAGIC *mg)
227{
228 free (mg->mg_ptr);
229 mg->mg_obj = 0; /* just in case */
230
231 SvREADONLY_off (sv);
232
233 if (SvPVX (sv) != mg->mg_ptr)
234 croak ("ERROR: IO::AIO mapped scalar changed location, detected");
235
236 SvCUR_set (sv, 0);
237 SvPVX (sv) = 0;
238 SvOK_off (sv);
239
240 return 0;
241}
242
243static MGVTBL sysfree_vtbl = {
244 0, 0, 0, 0, sysfree_free
245};
246
247/*****************************************************************************/
248
249/* helper: set scalar to foreign ptr with custom free */
250static void
251sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
252{
253 sv_force_normal (sv);
254
255 /* we store the length in mg_obj, as namlen is I32 :/ */
256 sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
257 ->mg_obj = (SV *)length;
258
259 SvUPGRADE (sv, SVt_PV); /* nop... */
260
261 if (SvLEN (sv))
262 Safefree (SvPVX (sv));
263
264 SvPVX (sv) = (char *)addr;
265 SvCUR_set (sv, length);
266 SvLEN_set (sv, 0);
267 SvPOK_only (sv);
268}
269
270static void
271sv_clear_foreign (SV *sv)
272{
273 /* todo: iterate over magic and only free ours, but of course */
274 /* the perl5porters will call that (correct) behaviour buggy */
275 sv_unmagic (sv, FOREIGN_MAGIC);
276}
277
278/*****************************************************************************/
279
280/* defines all sorts of constants to 0 unless they are already defined */
281/* also provides const_iv_ and const_niv_ macros for them */
282#include "def0.h"
165 283
166/*****************************************************************************/ 284/*****************************************************************************/
167 285
168static void 286static void
169fiemap (eio_req *req) 287fiemap (eio_req *req)
337 || SvTYPE (SvRV (sv)) != SVt_PVMG 455 || SvTYPE (SvRV (sv)) != SVt_PVMG
338 || SvSTASH (SvRV (sv)) != aio_wd_stash) 456 || SvSTASH (SvRV (sv)) != aio_wd_stash)
339 croak ("IO::AIO: expected a working directory object as returned by aio_wd"); 457 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
340 458
341 return (aio_wd)(long)SvIVX (SvRV (sv)); 459 return (aio_wd)(long)SvIVX (SvRV (sv));
460}
461
462static SV *
463newmortalFH (int fd, int flags)
464{
465 if (fd < 0)
466 return &PL_sv_undef;
467
468 GV *gv = (GV *)sv_newmortal ();
469 char sym[64];
470 int symlen;
471
472 symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
473 gv_init (gv, aio_stash, sym, symlen, 0);
474
475 symlen = snprintf (
476 sym,
477 sizeof (sym),
478 "%s&=%d",
479 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
480 fd
481 );
482
483 return do_open (gv, sym, symlen, 0, 0, 0, 0)
484 ? (SV *)gv : &PL_sv_undef;
342} 485}
343 486
344static void 487static void
345aio_grp_feed (aio_req grp) 488aio_grp_feed (aio_req grp)
346{ 489{
474 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); 617 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
475 } 618 }
476 break; 619 break;
477 620
478 case EIO_OPEN: 621 case EIO_OPEN:
479 { 622 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; 623 break;
508 624
509 case EIO_STATVFS: 625 case EIO_STATVFS:
510 case EIO_FSTATVFS: 626 case EIO_FSTATVFS:
511 { 627 {
591 SvSETMAGIC (req->sv2); 707 SvSETMAGIC (req->sv2);
592 PUSHs (sv_result); 708 PUSHs (sv_result);
593 } 709 }
594 break; 710 break;
595 711
712 case EIO_SLURP:
713 {
714 if (req->result >= 0)
715 {
716 /* if length was originally not known, we steal the malloc'ed memory */
717 if (req->flags & EIO_FLAG_PTR2_FREE)
718 {
719 req->flags &= ~EIO_FLAG_PTR2_FREE;
720 sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
721 }
722 else
723 {
724 SvCUR_set (req->sv2, req->result);
725 *SvEND (req->sv2) = 0;
726 SvPOK_only (req->sv2);
727 }
728
729 SvSETMAGIC (req->sv2);
730 }
731
732 PUSHs (sv_result);
733 }
734 break;
735
596 case EIO_CUSTOM: 736 case EIO_CUSTOM:
597 if (req->feed == fiemap) 737 if (req->feed == fiemap)
598 { 738 {
599#if HAVE_FIEMAP 739#if HAVE_FIEMAP
600 if (!req->result) 740 if (!req->result)
705{ 845{
706 while (eio_nreqs ()) 846 while (eio_nreqs ())
707 { 847 {
708 int size; 848 int size;
709 849
710 X_LOCK (reslock); 850 X_LOCK (EIO_POOL->reslock);
711 size = res_queue.size; 851 size = EIO_POOL->res_queue.size;
712 X_UNLOCK (reslock); 852 X_UNLOCK (EIO_POOL->reslock);
713 853
714 if (size) 854 if (size)
715 return; 855 return;
716 856
717 etp_maybe_start_thread (); 857 etp_maybe_start_thread (EIO_POOL);
718 858
719 s_epipe_wait (&respipe); 859 s_epipe_wait (&respipe);
720 } 860 }
721} 861}
722 862
743 create_respipe (); 883 create_respipe ();
744 884
745 if (eio_init (want_poll, done_poll) < 0) 885 if (eio_init (want_poll, done_poll) < 0)
746 croak ("IO::AIO: unable to initialise eio library"); 886 croak ("IO::AIO: unable to initialise eio library");
747} 887}
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};
791 888
792/*****************************************************************************/ 889/*****************************************************************************/
793 890
794static SV * 891static SV *
795get_cb (SV *cb_sv) 892get_cb (SV *cb_sv)
891 req_set_path1 (req, fh_or_path); 988 req_set_path1 (req, fh_or_path);
892 break; 989 break;
893 } 990 }
894} 991}
895 992
993/*****************************************************************************/
994
995static void
996ts_set (struct timespec *ts, NV value)
997{
998 ts->tv_sec = value;
999 ts->tv_nsec = (value - ts->tv_sec) * 1e9;
1000}
1001
1002static NV
1003ts_get (const struct timespec *ts)
1004{
1005 return ts->tv_sec + ts->tv_nsec * 1e-9;
1006}
1007
1008/*****************************************************************************/
1009
896XS(boot_IO__AIO) ecb_cold; 1010XS(boot_IO__AIO) ecb_cold;
897 1011
898MODULE = IO::AIO PACKAGE = IO::AIO 1012MODULE = IO::AIO PACKAGE = IO::AIO
899 1013
900PROTOTYPES: ENABLE 1014PROTOTYPES: ENABLE
907 } *civ, const_iv[] = { 1021 } *civ, const_iv[] = {
908# define const_niv(name, value) { # name, (IV) value }, 1022# define const_niv(name, value) { # name, (IV) value },
909# define const_iv(name) { # name, (IV) name }, 1023# define const_iv(name) { # name, (IV) name },
910# define const_eio(name) { # name, (IV) EIO_ ## name }, 1024# define const_eio(name) { # name, (IV) EIO_ ## name },
911 1025
912 /* you have to re-run ./gendef0 after adding/Removing any constants here */ 1026 /* you have to re-run ./gendef0 after adding/removing any constants here */
913 1027 /* the first block can be undef if missing */
914 const_iv (ENOSYS) 1028 const_iv (ENOSYS)
915 const_iv (EXDEV) 1029 const_iv (EXDEV)
916 const_iv (EBADR) 1030 const_iv (EBADR)
1031
1032 /* for lseek */
1033 const_iv (SEEK_DATA)
1034 const_iv (SEEK_HOLE)
1035
1036 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
1037 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
1038 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
1039 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
1040 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
1041 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
1042
1043 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
1044 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
1045 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1046 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1047 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1048
1049 /* the second block will be 0 when missing */
1050 const_iv (O_ACCMODE)
917 1051
918 const_iv (O_RDONLY) 1052 const_iv (O_RDONLY)
919 const_iv (O_WRONLY) 1053 const_iv (O_WRONLY)
920 const_iv (O_RDWR) 1054 const_iv (O_RDWR)
921 const_iv (O_CREAT) 1055 const_iv (O_CREAT)
935 const_iv (O_SEARCH) 1069 const_iv (O_SEARCH)
936 const_iv (O_DIRECTORY) 1070 const_iv (O_DIRECTORY)
937 const_iv (O_DSYNC) 1071 const_iv (O_DSYNC)
938 const_iv (O_RSYNC) 1072 const_iv (O_RSYNC)
939 const_iv (O_SYNC) 1073 const_iv (O_SYNC)
1074 const_iv (O_PATH)
1075 const_iv (O_TMPFILE)
940 const_iv (O_TTY_INIT) 1076 const_iv (O_TTY_INIT)
941 1077
942 const_iv (S_IFIFO) 1078 const_iv (S_IFIFO)
943 const_iv (S_IFCHR) 1079 const_iv (S_IFCHR)
944 const_iv (S_IFBLK) 1080 const_iv (S_IFBLK)
946 const_iv (S_IFREG) 1082 const_iv (S_IFREG)
947 const_iv (S_IFDIR) 1083 const_iv (S_IFDIR)
948 const_iv (S_IFWHT) 1084 const_iv (S_IFWHT)
949 const_iv (S_IFSOCK) 1085 const_iv (S_IFSOCK)
950 const_iv (S_IFMT) 1086 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 1087
965 const_iv (ST_RDONLY) 1088 const_iv (ST_RDONLY)
966 const_iv (ST_NOSUID) 1089 const_iv (ST_NOSUID)
967 const_iv (ST_NODEV) 1090 const_iv (ST_NODEV)
968 const_iv (ST_NOEXEC) 1091 const_iv (ST_NOEXEC)
978 const_iv (PROT_NONE) 1101 const_iv (PROT_NONE)
979 const_iv (PROT_EXEC) 1102 const_iv (PROT_EXEC)
980 const_iv (PROT_READ) 1103 const_iv (PROT_READ)
981 const_iv (PROT_WRITE) 1104 const_iv (PROT_WRITE)
982 1105
983 /*const_iv (MAP_FIXED)*/
984 const_iv (MAP_PRIVATE) 1106 const_iv (MAP_PRIVATE)
985 const_iv (MAP_SHARED) 1107 const_iv (MAP_SHARED)
1108 const_iv (MAP_FIXED)
986 const_iv (MAP_ANONYMOUS) 1109 const_iv (MAP_ANONYMOUS)
987 1110
988 /* linuxish */ 1111 /* linuxish */
989 const_iv (MAP_HUGETLB)
990 const_iv (MAP_LOCKED) 1112 const_iv (MAP_LOCKED)
991 const_iv (MAP_NORESERVE) 1113 const_iv (MAP_NORESERVE)
992 const_iv (MAP_POPULATE) 1114 const_iv (MAP_POPULATE)
993 const_iv (MAP_NONBLOCK) 1115 const_iv (MAP_NONBLOCK)
1116 const_iv (MAP_GROWSDOWN)
1117 const_iv (MAP_32BIT)
1118 const_iv (MAP_HUGETLB)
1119 const_iv (MAP_STACK)
1120
1121 const_iv (MREMAP_MAYMOVE)
1122 const_iv (MREMAP_FIXED)
1123
1124 const_iv (F_DUPFD_CLOEXEC)
1125
1126 const_iv (MSG_CMSG_CLOEXEC)
1127 const_iv (SOCK_CLOEXEC)
1128
1129 const_iv (F_OFD_GETLK)
1130 const_iv (F_OFD_SETLK)
1131 const_iv (F_OFD_GETLKW)
1132
1133 const_iv (FIFREEZE)
1134 const_iv (FITHAW)
1135 const_iv (FITRIM)
1136 const_iv (FICLONE)
1137 const_iv (FICLONERANGE)
1138 const_iv (FIDEDUPERANGE)
1139
1140 const_iv (FS_IOC_GETFLAGS)
1141 const_iv (FS_IOC_SETFLAGS)
1142 const_iv (FS_IOC_GETVERSION)
1143 const_iv (FS_IOC_SETVERSION)
1144 const_iv (FS_IOC_FIEMAP)
1145 const_iv (FS_IOC_FSGETXATTR)
1146 const_iv (FS_IOC_FSSETXATTR)
1147 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1148 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1149 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1150
1151 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1152
1153 const_iv (FS_SECRM_FL)
1154 const_iv (FS_UNRM_FL)
1155 const_iv (FS_COMPR_FL)
1156 const_iv (FS_SYNC_FL)
1157 const_iv (FS_IMMUTABLE_FL)
1158 const_iv (FS_APPEND_FL)
1159 const_iv (FS_NODUMP_FL)
1160 const_iv (FS_NOATIME_FL)
1161 const_iv (FS_DIRTY_FL)
1162 const_iv (FS_COMPRBLK_FL)
1163 const_iv (FS_NOCOMP_FL)
1164 const_iv (FS_ENCRYPT_FL)
1165 const_iv (FS_BTREE_FL)
1166 const_iv (FS_INDEX_FL)
1167 const_iv (FS_JOURNAL_DATA_FL)
1168 const_iv (FS_NOTAIL_FL)
1169 const_iv (FS_DIRSYNC_FL)
1170 const_iv (FS_TOPDIR_FL)
1171 const_iv (FS_FL_USER_MODIFIABLE)
1172
1173 const_iv (FS_XFLAG_REALTIME)
1174 const_iv (FS_XFLAG_PREALLOC)
1175 const_iv (FS_XFLAG_IMMUTABLE)
1176 const_iv (FS_XFLAG_APPEND)
1177 const_iv (FS_XFLAG_SYNC)
1178 const_iv (FS_XFLAG_NOATIME)
1179 const_iv (FS_XFLAG_NODUMP)
1180 const_iv (FS_XFLAG_RTINHERIT)
1181 const_iv (FS_XFLAG_PROJINHERIT)
1182 const_iv (FS_XFLAG_NOSYMLINKS)
1183 const_iv (FS_XFLAG_EXTSIZE)
1184 const_iv (FS_XFLAG_EXTSZINHERIT)
1185 const_iv (FS_XFLAG_NODEFRAG)
1186 const_iv (FS_XFLAG_FILESTREAM)
1187 const_iv (FS_XFLAG_DAX)
1188 const_iv (FS_XFLAG_HASATTR)
994 1189
995 const_iv (FIEMAP_FLAG_SYNC) 1190 const_iv (FIEMAP_FLAG_SYNC)
996 const_iv (FIEMAP_FLAG_XATTR) 1191 const_iv (FIEMAP_FLAG_XATTR)
997 const_iv (FIEMAP_FLAGS_COMPAT) 1192 const_iv (FIEMAP_FLAGS_COMPAT)
998 const_iv (FIEMAP_EXTENT_LAST) 1193 const_iv (FIEMAP_EXTENT_LAST)
1010 const_iv (SPLICE_F_MOVE) 1205 const_iv (SPLICE_F_MOVE)
1011 const_iv (SPLICE_F_NONBLOCK) 1206 const_iv (SPLICE_F_NONBLOCK)
1012 const_iv (SPLICE_F_MORE) 1207 const_iv (SPLICE_F_MORE)
1013 const_iv (SPLICE_F_GIFT) 1208 const_iv (SPLICE_F_GIFT)
1014 1209
1015 const_iv (SEEK_DATA) 1210 const_iv (EFD_CLOEXEC)
1211 const_iv (EFD_NONBLOCK)
1016 const_iv (SEEK_HOLE) 1212 const_iv (EFD_SEMAPHORE)
1017 1213
1018 /* libeio constants */ 1214 const_iv (CLOCK_REALTIME)
1215 const_iv (CLOCK_MONOTONIC)
1216 const_iv (CLOCK_BOOTTIME)
1217 const_iv (CLOCK_REALTIME_ALARM)
1218 const_iv (CLOCK_BOOTTIME_ALARM)
1219
1220 const_iv (TFD_NONBLOCK)
1221 const_iv (TFD_CLOEXEC)
1222
1223 const_iv (TFD_TIMER_ABSTIME)
1224 const_iv (TFD_TIMER_CANCEL_ON_SET)
1225
1226 /* these are libeio constants, and are independent of gendef0 */
1019 const_eio (SEEK_SET) 1227 const_eio (SEEK_SET)
1020 const_eio (SEEK_CUR) 1228 const_eio (SEEK_CUR)
1021 const_eio (SEEK_END) 1229 const_eio (SEEK_END)
1022 1230
1023 const_eio (MCL_FUTURE) 1231 const_eio (MCL_FUTURE)
1033 const_eio (SYNC_FILE_RANGE_WRITE) 1241 const_eio (SYNC_FILE_RANGE_WRITE)
1034 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1242 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1035 1243
1036 const_eio (FALLOC_FL_KEEP_SIZE) 1244 const_eio (FALLOC_FL_KEEP_SIZE)
1037 const_eio (FALLOC_FL_PUNCH_HOLE) 1245 const_eio (FALLOC_FL_PUNCH_HOLE)
1246 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1247 const_eio (FALLOC_FL_ZERO_RANGE)
1248 const_eio (FALLOC_FL_INSERT_RANGE)
1249 const_eio (FALLOC_FL_UNSHARE_RANGE)
1250
1251 const_eio (RENAME_NOREPLACE)
1252 const_eio (RENAME_EXCHANGE)
1253 const_eio (RENAME_WHITEOUT)
1038 1254
1039 const_eio (READDIR_DENTS) 1255 const_eio (READDIR_DENTS)
1040 const_eio (READDIR_DIRS_FIRST) 1256 const_eio (READDIR_DIRS_FIRST)
1041 const_eio (READDIR_STAT_ORDER) 1257 const_eio (READDIR_STAT_ORDER)
1042 const_eio (READDIR_FOUND_UNKNOWN) 1258 const_eio (READDIR_FOUND_UNKNOWN)
1110 PROTOTYPE: $ 1326 PROTOTYPE: $
1111 CODE: 1327 CODE:
1112 max_outstanding = maxreqs; 1328 max_outstanding = maxreqs;
1113 1329
1114void 1330void
1115aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef) 1331aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
1116 PPCODE: 1332 PPCODE:
1117{ 1333{
1118 dREQ; 1334 dREQ;
1119 1335
1120 req->type = EIO_WD_OPEN; 1336 req->type = EIO_WD_OPEN;
1122 1338
1123 REQ_SEND; 1339 REQ_SEND;
1124} 1340}
1125 1341
1126void 1342void
1127aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1343aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1128 PPCODE: 1344 PPCODE:
1129{ 1345{
1130 dREQ; 1346 dREQ;
1131 1347
1132 req->type = EIO_OPEN; 1348 req->type = EIO_OPEN;
1136 1352
1137 REQ_SEND; 1353 REQ_SEND;
1138} 1354}
1139 1355
1140void 1356void
1141aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1357aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
1142 ALIAS: 1358 ALIAS:
1143 aio_fsync = EIO_FSYNC 1359 aio_fsync = EIO_FSYNC
1144 aio_fdatasync = EIO_FDATASYNC 1360 aio_fdatasync = EIO_FDATASYNC
1145 aio_syncfs = EIO_SYNCFS 1361 aio_syncfs = EIO_SYNCFS
1146 PPCODE: 1362 PPCODE:
1154 1370
1155 REQ_SEND; 1371 REQ_SEND;
1156} 1372}
1157 1373
1158void 1374void
1159aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1375aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
1160 PPCODE: 1376 PPCODE:
1161{ 1377{
1162 int fd = s_fileno_croak (fh, 0); 1378 int fd = s_fileno_croak (fh, 0);
1163 dREQ; 1379 dREQ;
1164 1380
1171 1387
1172 REQ_SEND; 1388 REQ_SEND;
1173} 1389}
1174 1390
1175void 1391void
1176aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef) 1392aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
1177 PPCODE: 1393 PPCODE:
1178{ 1394{
1179 int fd = s_fileno_croak (fh, 0); 1395 int fd = s_fileno_croak (fh, 0);
1180 dREQ; 1396 dREQ;
1181 1397
1188 1404
1189 REQ_SEND; 1405 REQ_SEND;
1190} 1406}
1191 1407
1192void 1408void
1193aio_close (SV *fh, SV *callback=&PL_sv_undef) 1409aio_close (SV *fh, SV *callback = &PL_sv_undef)
1194 PPCODE: 1410 PPCODE:
1195{ 1411{
1196 static int close_fd = -1; /* dummy fd to close fds via dup2 */ 1412 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1197 int fd = s_fileno_croak (fh, 0); 1413 int fd = s_fileno_croak (fh, 0);
1198 dREQ; 1414 dREQ;
1222 1438
1223 REQ_SEND; 1439 REQ_SEND;
1224} 1440}
1225 1441
1226void 1442void
1227aio_seek (SV *fh, SV *offset, int whence, SV *callback=&PL_sv_undef) 1443aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1228 PPCODE: 1444 PPCODE:
1229{ 1445{
1230 int fd = s_fileno_croak (fh, 0); 1446 int fd = s_fileno_croak (fh, 0);
1231 dREQ; 1447 dREQ;
1232 1448
1238 1454
1239 REQ_SEND; 1455 REQ_SEND;
1240} 1456}
1241 1457
1242void 1458void
1243aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1459aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
1244 ALIAS: 1460 ALIAS:
1245 aio_read = EIO_READ 1461 aio_read = EIO_READ
1246 aio_write = EIO_WRITE 1462 aio_write = EIO_WRITE
1247 PPCODE: 1463 PPCODE:
1248{ 1464{
1293 REQ_SEND; 1509 REQ_SEND;
1294 } 1510 }
1295} 1511}
1296 1512
1297void 1513void
1514aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
1515 ALIAS:
1516 aio_ioctl = EIO_IOCTL
1517 aio_fcntl = EIO_FCNTL
1518 PPCODE:
1519{
1520 int fd = s_fileno_croak (fh, 0);
1521 char *svptr;
1522
1523 if (SvPOK (arg) || !SvNIOK (arg))
1524 {
1525 STRLEN svlen;
1526 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1527#ifdef IOCPARM_LEN
1528 STRLEN need = IOCPARM_LEN (request);
1529#else
1530 STRLEN need = 256;
1531#endif
1532
1533 if (svlen < need)
1534 svptr = SvGROW (arg, need);
1535 }
1536 else
1537 svptr = (char *)SvIV (arg);
1538
1539 {
1540 dREQ;
1541
1542 req->type = ix;
1543 req->sv1 = newSVsv (fh);
1544 req->int1 = fd;
1545 req->int2 = (long)request;
1546 req->sv2 = SvREFCNT_inc (arg);
1547 req->ptr2 = svptr;
1548
1549 REQ_SEND;
1550 }
1551}
1552
1553void
1298aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1554aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1299 ALIAS: 1555 ALIAS:
1300 aio_readlink = EIO_READLINK 1556 aio_readlink = EIO_READLINK
1301 aio_realpath = EIO_REALPATH 1557 aio_realpath = EIO_REALPATH
1302 PPCODE: 1558 PPCODE:
1303{ 1559{
1308 1564
1309 REQ_SEND; 1565 REQ_SEND;
1310} 1566}
1311 1567
1312void 1568void
1313aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1569aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1314 PPCODE: 1570 PPCODE:
1315{ 1571{
1316 int ifd = s_fileno_croak (in_fh , 0); 1572 int ifd = s_fileno_croak (in_fh , 0);
1317 int ofd = s_fileno_croak (out_fh, 1); 1573 int ofd = s_fileno_croak (out_fh, 1);
1318 dREQ; 1574 dREQ;
1327 1583
1328 REQ_SEND; 1584 REQ_SEND;
1329} 1585}
1330 1586
1331void 1587void
1332aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1588aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1333 PPCODE: 1589 PPCODE:
1334{ 1590{
1335 int fd = s_fileno_croak (fh, 0); 1591 int fd = s_fileno_croak (fh, 0);
1336 dREQ; 1592 dREQ;
1337 1593
1343 1599
1344 REQ_SEND; 1600 REQ_SEND;
1345} 1601}
1346 1602
1347void 1603void
1348aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1604aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1349 ALIAS: 1605 ALIAS:
1350 aio_stat = EIO_STAT 1606 aio_stat = EIO_STAT
1351 aio_lstat = EIO_LSTAT 1607 aio_lstat = EIO_LSTAT
1352 aio_statvfs = EIO_STATVFS 1608 aio_statvfs = EIO_STATVFS
1353 PPCODE: 1609 PPCODE:
1362UV 1618UV
1363major (UV dev) 1619major (UV dev)
1364 ALIAS: 1620 ALIAS:
1365 minor = 1 1621 minor = 1
1366 CODE: 1622 CODE:
1367 RETVAL = ix ? major (dev) : minor (dev); 1623 RETVAL = ix ? minor (dev) : major (dev);
1368 OUTPUT: 1624 OUTPUT:
1369 RETVAL 1625 RETVAL
1370 1626
1371UV 1627UV
1372makedev (UV maj, UV min) 1628makedev (UV maj, UV min)
1374 RETVAL = makedev (maj, min); 1630 RETVAL = makedev (maj, min);
1375 OUTPUT: 1631 OUTPUT:
1376 RETVAL 1632 RETVAL
1377 1633
1378void 1634void
1379aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1635aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1380 PPCODE: 1636 PPCODE:
1381{ 1637{
1382 dREQ; 1638 dREQ;
1383 1639
1384 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1640 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1387 1643
1388 REQ_SEND; 1644 REQ_SEND;
1389} 1645}
1390 1646
1391void 1647void
1392aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1648aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1393 PPCODE: 1649 PPCODE:
1394{ 1650{
1395 dREQ; 1651 dREQ;
1396 1652
1397 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1653 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1399 1655
1400 REQ_SEND; 1656 REQ_SEND;
1401} 1657}
1402 1658
1403void 1659void
1404aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1660aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1405 PPCODE: 1661 PPCODE:
1406{ 1662{
1407 dREQ; 1663 dREQ;
1408 1664
1409 req->int2 = mode; 1665 req->int2 = mode;
1411 1667
1412 REQ_SEND; 1668 REQ_SEND;
1413} 1669}
1414 1670
1415void 1671void
1416aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1672aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1417 PPCODE: 1673 PPCODE:
1418{ 1674{
1419 dREQ; 1675 dREQ;
1420 1676
1421 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1677 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1424 1680
1425 REQ_SEND; 1681 REQ_SEND;
1426} 1682}
1427 1683
1428void 1684void
1429aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1685aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1430 PPCODE: 1686 PPCODE:
1431{ 1687{
1432 dREQ; 1688 dREQ;
1433 1689
1434 req->type = EIO_READDIR; 1690 req->type = EIO_READDIR;
1441 1697
1442 REQ_SEND; 1698 REQ_SEND;
1443} 1699}
1444 1700
1445void 1701void
1446aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef) 1702aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1447 PPCODE: 1703 PPCODE:
1448{ 1704{
1449 dREQ; 1705 dREQ;
1450 1706
1451 req->type = EIO_MKDIR; 1707 req->type = EIO_MKDIR;
1454 1710
1455 REQ_SEND; 1711 REQ_SEND;
1456} 1712}
1457 1713
1458void 1714void
1459aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1715aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1460 ALIAS: 1716 ALIAS:
1461 aio_unlink = EIO_UNLINK 1717 aio_unlink = EIO_UNLINK
1462 aio_rmdir = EIO_RMDIR 1718 aio_rmdir = EIO_RMDIR
1463 aio_readdir = EIO_READDIR 1719 aio_readdir = EIO_READDIR
1464 PPCODE: 1720 PPCODE:
1470 1726
1471 REQ_SEND; 1727 REQ_SEND;
1472} 1728}
1473 1729
1474void 1730void
1475aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1731aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1476 ALIAS: 1732 ALIAS:
1477 aio_link = EIO_LINK 1733 aio_link = EIO_LINK
1478 aio_symlink = EIO_SYMLINK 1734 aio_symlink = EIO_SYMLINK
1479 aio_rename = EIO_RENAME 1735 aio_rename = EIO_RENAME
1480 PPCODE: 1736 PPCODE:
1489 1745
1490 REQ_SEND; 1746 REQ_SEND;
1491} 1747}
1492 1748
1493void 1749void
1750aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
1751 PPCODE:
1752{
1753 eio_wd wd2 = 0;
1754 dREQ;
1755
1756 req->type = EIO_RENAME;
1757 req_set_path1 (req, oldpath);
1758 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1759 req->int2 = flags;
1760 req->int3 = (long)wd2;
1761
1762 REQ_SEND;
1763}
1764
1765void
1494aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 1766aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1495 PPCODE: 1767 PPCODE:
1496{ 1768{
1497 dREQ; 1769 dREQ;
1498 1770
1499 req->type = EIO_MKNOD; 1771 req->type = EIO_MKNOD;
1503 1775
1504 REQ_SEND; 1776 REQ_SEND;
1505} 1777}
1506 1778
1507void 1779void
1508aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1780aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1509 ALIAS: 1781 ALIAS:
1510 aio_mtouch = EIO_MTOUCH 1782 aio_mtouch = EIO_MTOUCH
1511 aio_msync = EIO_MSYNC 1783 aio_msync = EIO_MSYNC
1512 PPCODE: 1784 PPCODE:
1513{ 1785{
1514 STRLEN svlen; 1786 STRLEN svlen;
1515 char *svptr = SvPVbyte (data, svlen); 1787 char *svptr = SvPVbyte (data, svlen);
1516 UV len = SvUV (length); 1788 UV len = SvUV (length);
1789
1790 if (flags < 0)
1791 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1517 1792
1518 if (offset < 0) 1793 if (offset < 0)
1519 offset += svlen; 1794 offset += svlen;
1520 1795
1521 if (offset < 0 || offset > svlen) 1796 if (offset < 0 || offset > svlen)
1536 REQ_SEND; 1811 REQ_SEND;
1537 } 1812 }
1538} 1813}
1539 1814
1540void 1815void
1541aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef) 1816aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1542 PPCODE: 1817 PPCODE:
1543{ 1818{
1544 STRLEN svlen; 1819 STRLEN svlen;
1545 char *svptr = SvPVbyte (data, svlen); 1820 char *svptr = SvPVbyte (data, svlen);
1546 UV len = SvUV (length); 1821 UV len = SvUV (length);
1565 REQ_SEND; 1840 REQ_SEND;
1566 } 1841 }
1567} 1842}
1568 1843
1569void 1844void
1570aio_mlockall (IV flags, SV *callback=&PL_sv_undef) 1845aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1571 PPCODE: 1846 PPCODE:
1572{ 1847{
1573 dREQ; 1848 dREQ;
1574 1849
1575 req->type = EIO_MLOCKALL; 1850 req->type = EIO_MLOCKALL;
1577 1852
1578 REQ_SEND; 1853 REQ_SEND;
1579} 1854}
1580 1855
1581void 1856void
1582aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback=&PL_sv_undef) 1857aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
1583 PPCODE: 1858 PPCODE:
1584{ 1859{
1585 int fd = s_fileno_croak (fh, 0); 1860 int fd = s_fileno_croak (fh, 0);
1586 dREQ; 1861 dREQ;
1587 1862
1600 1875
1601 REQ_SEND; 1876 REQ_SEND;
1602} 1877}
1603 1878
1604void 1879void
1880aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
1881 PPCODE:
1882{
1883 char *svptr = 0;
1884
1885 sv_clear_foreign (data);
1886
1887 if (length) /* known length, directly read into scalar */
1888 {
1889 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1890 svptr = sv_grow (data, length + 1);
1891 else if (SvCUR (data) < length)
1892 croak ("length outside of scalar, and cannot grow");
1893 else
1894 svptr = SvPVbyte_nolen (data);
1895 }
1896
1897 {
1898 dREQ;
1899
1900 req->type = EIO_SLURP;
1901 req_set_path1 (req, pathname);
1902 req->offs = offset;
1903 req->size = length;
1904 req->sv2 = SvREFCNT_inc (data);
1905 req->ptr2 = svptr;
1906
1907 if (!SvREADONLY (data))
1908 {
1909 SvREADONLY_on (data);
1910 req->flags |= FLAG_SV2_RO_OFF;
1911 }
1912
1913 REQ_SEND;
1914 }
1915}
1916
1917void
1605aio_busy (double delay, SV *callback=&PL_sv_undef) 1918aio_busy (double delay, SV *callback = &PL_sv_undef)
1606 PPCODE: 1919 PPCODE:
1607{ 1920{
1608 dREQ; 1921 dREQ;
1609 1922
1610 req->type = EIO_BUSY; 1923 req->type = EIO_BUSY;
1612 1925
1613 REQ_SEND; 1926 REQ_SEND;
1614} 1927}
1615 1928
1616void 1929void
1617aio_group (SV *callback=&PL_sv_undef) 1930aio_group (SV *callback = &PL_sv_undef)
1618 PPCODE: 1931 PPCODE:
1619{ 1932{
1620 dREQ; 1933 dREQ;
1621 1934
1622 req->type = EIO_GROUP; 1935 req->type = EIO_GROUP;
1627 1940
1628 XPUSHs (req_sv (req, aio_grp_stash)); 1941 XPUSHs (req_sv (req, aio_grp_stash));
1629} 1942}
1630 1943
1631void 1944void
1632aio_nop (SV *callback=&PL_sv_undef) 1945aio_nop (SV *callback = &PL_sv_undef)
1633 ALIAS: 1946 ALIAS:
1634 aio_nop = EIO_NOP 1947 aio_nop = EIO_NOP
1635 aio_sync = EIO_SYNC 1948 aio_sync = EIO_SYNC
1636 PPCODE: 1949 PPCODE:
1637{ 1950{
1641 1954
1642 REQ_SEND; 1955 REQ_SEND;
1643} 1956}
1644 1957
1645int 1958int
1646aioreq_pri (int pri = 0) 1959aioreq_pri (int pri = NO_INIT)
1647 CODE: 1960 CODE:
1648 RETVAL = next_pri; 1961 RETVAL = next_pri;
1649 if (items > 0) 1962 if (items > 0)
1650 { 1963 {
1651 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1964 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
1743 RETVAL 2056 RETVAL
1744 2057
1745void 2058void
1746mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0) 2059mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1747 PPCODE: 2060 PPCODE:
1748 sv_unmagic (scalar, MMAP_MAGIC); 2061 sv_clear_foreign (scalar);
1749{ 2062{
1750 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 2063 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1751 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 2064 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1752 if (addr == (void *)-1) 2065 if (addr == (void *)-1)
1753 XSRETURN_NO; 2066 XSRETURN_NO;
1754 2067
1755 sv_force_normal (scalar); 2068 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1756
1757 /* we store the length in mg_obj, as namlen is I32 :/ */
1758 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1759 ->mg_obj = (SV *)length;
1760
1761 SvUPGRADE (scalar, SVt_PV); /* nop... */
1762 2069
1763 if (!(prot & PROT_WRITE)) 2070 if (!(prot & PROT_WRITE))
1764 SvREADONLY_on (scalar); 2071 SvREADONLY_on (scalar);
1765 2072
1766 if (SvLEN (scalar))
1767 Safefree (SvPVX (scalar));
1768
1769 SvPVX (scalar) = (char *)addr;
1770 SvCUR_set (scalar, length);
1771 SvLEN_set (scalar, 0);
1772 SvPOK_only (scalar);
1773
1774 XSRETURN_YES; 2073 XSRETURN_YES;
1775} 2074}
1776 2075
1777void 2076void
1778munmap (SV *scalar) 2077munmap (SV *scalar)
1779 CODE: 2078 CODE:
1780 sv_unmagic (scalar, MMAP_MAGIC); 2079 sv_clear_foreign (scalar);
2080
2081SV *
2082mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
2083 CODE:
2084{
2085 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2086 void *new;
2087
2088 if (!mg || SvPVX (scalar) != mg->mg_ptr)
2089 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
2090
2091 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
2092
2093 RETVAL = &PL_sv_no;
2094
2095 if (new != (void *)-1)
2096 {
2097 RETVAL = new == (void *)mg->mg_ptr
2098 ? newSVpvn ("0 but true", 10)
2099 : &PL_sv_yes;
2100
2101 mg->mg_ptr = (char *)new;
2102 mg->mg_obj = (SV *)new_length;
2103
2104 SvPVX (scalar) = mg->mg_ptr;
2105 SvCUR_set (scalar, new_length);
2106 }
2107}
2108 OUTPUT:
2109 RETVAL
1781 2110
1782int 2111int
1783madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) 2112madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1784 ALIAS: 2113 ALIAS:
1785 mprotect = 1 2114 mprotect = 1
1891 errno = ENOSYS; 2220 errno = ENOSYS;
1892 RETVAL = -1; 2221 RETVAL = -1;
1893#endif 2222#endif
1894 OUTPUT: 2223 OUTPUT:
1895 RETVAL 2224 RETVAL
2225
2226void
2227pipe2 (int flags = 0)
2228 PROTOTYPE: ;$
2229 PPCODE:
2230{
2231 int fd[2];
2232 int res;
2233
2234 if (flags)
2235#if HAVE_PIPE2
2236 res = pipe2 (fd, flags);
2237#else
2238 res = (errno = ENOSYS, -1);
2239#endif
2240 else
2241 res = pipe (fd);
2242
2243 if (!res)
2244 {
2245 EXTEND (SP, 2);
2246 PUSHs (newmortalFH (fd[0], O_RDONLY));
2247 PUSHs (newmortalFH (fd[1], O_WRONLY));
2248 }
2249}
2250
2251void
2252eventfd (unsigned int initval = 0, int flags = 0)
2253 PPCODE:
2254{
2255 int fd;
2256#if HAVE_EVENTFD
2257 fd = eventfd (initval, flags);
2258#else
2259 fd = (errno = ENOSYS, -1);
2260#endif
2261
2262 XPUSHs (newmortalFH (fd, O_RDWR));
2263}
2264
2265void
2266timerfd_create (int clockid, int flags = 0)
2267 PPCODE:
2268{
2269 int fd;
2270#if HAVE_TIMERFD
2271 fd = timerfd_create (clockid, flags);
2272#else
2273 fd = (errno = ENOSYS, -1);
2274#endif
2275
2276 XPUSHs (newmortalFH (fd, O_RDWR));
2277}
2278
2279void
2280timerfd_settime (SV *fh, int flags, NV interval, NV value)
2281 PPCODE:
2282{
2283 int fd = s_fileno_croak (fh, 0);
2284#if HAVE_TIMERFD
2285 int res;
2286 struct itimerspec its, ots;
2287
2288 ts_set (&its.it_interval, interval);
2289 ts_set (&its.it_value , value);
2290 res = timerfd_settime (fd, flags, &its, &ots);
2291
2292 if (!res)
2293 {
2294 EXTEND (SP, 2);
2295 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2296 PUSHs (newSVnv (ts_get (&ots.it_value)));
2297 }
2298#else
2299 errno = ENOSYS;
2300#endif
2301}
2302
2303void
2304timerfd_gettime (SV *fh)
2305 PPCODE:
2306{
2307 int fd = s_fileno_croak (fh, 0);
2308#if HAVE_TIMERFD
2309 int res;
2310 struct itimerspec ots;
2311 res = timerfd_gettime (fd, &ots);
2312
2313 if (!res)
2314 {
2315 EXTEND (SP, 2);
2316 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2317 PUSHs (newSVnv (ts_get (&ots.it_value)));
2318 }
2319#else
2320 errno = ENOSYS;
2321#endif
2322}
2323
2324UV
2325get_fdlimit ()
2326 CODE:
2327#if HAVE_RLIMITS
2328 struct rlimit rl;
2329 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2330 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2331#endif
2332 XSRETURN_UNDEF;
2333 OUTPUT:
2334 RETVAL
2335
2336void
2337min_fdlimit (UV limit = 0x7fffffffU)
2338 CODE:
2339{
2340#if HAVE_RLIMITS
2341 struct rlimit rl;
2342 rlim_t orig_rlim_max;
2343 UV bit;
2344
2345 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2346 goto fail;
2347
2348 if (rl.rlim_cur == RLIM_INFINITY)
2349 XSRETURN_YES;
2350
2351 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2352
2353 if (rl.rlim_cur < limit)
2354 {
2355 rl.rlim_cur = limit;
2356
2357 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2358 rl.rlim_max = rl.rlim_cur;
2359 }
2360
2361 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2362 XSRETURN_YES;
2363
2364 if (errno == EPERM)
2365 {
2366 /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2367 /* our limit overflows a system-wide limit */
2368 /* try an adaptive algorithm, but do not lower the hardlimit */
2369 rl.rlim_max = 0;
2370 for (bit = 0x40000000U; bit; bit >>= 1)
2371 {
2372 rl.rlim_max |= bit;
2373 rl.rlim_cur = rl.rlim_max;
2374
2375 /* nevr decrease the hard limit */
2376 if (rl.rlim_max < orig_rlim_max)
2377 break;
2378
2379 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2380 rl.rlim_max &= ~bit; /* too high, remove bit again */
2381 }
2382
2383 /* now, raise the soft limit to the max permitted */
2384 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2385 {
2386 rl.rlim_cur = rl.rlim_max;
2387 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2388 errno = EPERM;
2389 }
2390 }
2391#endif
2392 fail:
2393 XSRETURN_UNDEF;
2394}
1896 2395
1897void _on_next_submit (SV *cb) 2396void _on_next_submit (SV *cb)
1898 CODE: 2397 CODE:
1899 SvREFCNT_dec (on_next_submit); 2398 SvREFCNT_dec (on_next_submit);
1900 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2399 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1935cancel (aio_req_ornot req) 2434cancel (aio_req_ornot req)
1936 CODE: 2435 CODE:
1937 eio_cancel (req); 2436 eio_cancel (req);
1938 2437
1939void 2438void
1940cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2439cb (aio_req_ornot req, SV *callback = NO_INIT)
1941 PPCODE: 2440 PPCODE:
1942{ 2441{
1943 if (GIMME_V != G_VOID) 2442 if (GIMME_V != G_VOID)
1944 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 2443 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1945 2444
1946 if (items > 1) 2445 if (items > 1)
1947 { 2446 {
1948 SV *cb_cv =get_cb (callback); 2447 SV *cb_cv = get_cb (callback);
1949 2448
1950 SvREFCNT_dec (req->callback); 2449 SvREFCNT_dec (req->callback);
1951 req->callback = SvREFCNT_inc (cb_cv); 2450 req->callback = SvREFCNT_inc (cb_cv);
1952 } 2451 }
1953} 2452}
2010limit (aio_req grp, int limit) 2509limit (aio_req grp, int limit)
2011 CODE: 2510 CODE:
2012 eio_grp_limit (grp, limit); 2511 eio_grp_limit (grp, limit);
2013 2512
2014void 2513void
2015feed (aio_req grp, SV *callback=&PL_sv_undef) 2514feed (aio_req grp, SV *callback = &PL_sv_undef)
2016 CODE: 2515 CODE:
2017{ 2516{
2018 SvREFCNT_dec (grp->sv2); 2517 SvREFCNT_dec (grp->sv2);
2019 grp->sv2 = newSVsv (callback); 2518 grp->sv2 = newSVsv (callback);
2020 grp->feed = aio_grp_feed; 2519 grp->feed = aio_grp_feed;

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